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update

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This commit is contained in:
pvvx 2017-02-19 22:35:23 +03:00
parent 629e5fdc28
commit bd42ffa334
212 changed files with 35447 additions and 223 deletions
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BIN
RTL00_SDKV35a/component/common/api/at_cmd/atcmd_sys.zip Normal file
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2
RTL00_SDKV35a/component/common/api/platform/platform_stdlib.h
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@ -90,7 +90,7 @@
#define printf DiagPrintfPatch
#define sprintf DiagSPrintfPatch
#define snprintf DiagSnPrintfPatch
#define strstr(a, b) DiagStrstrPatch((char *)(a), (char *)(b))
#define strstr(a, b) DiagStrstrPatch((char *)(a), (char *)(b))
#define strtok DiagStrtokPatch
#else
#define printf DiagPrintf

8
RTL00_SDKV35a/component/common/api/platform/stdlib_patch.c
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@ -44,6 +44,10 @@ typedef signed short int s16;
typedef unsigned char bool;
extern u8 txt0123456789ABCDEF[16];
#define tab0123456789ABCDEF txt0123456789ABCDEF // = "0123456789ABCDEF"
#define in_range(c, lo, up) ((u8)c >= lo && (u8)c <= up)
#define isprint(c) in_range(c, 0x20, 0x7f)
#define isdigit(c) in_range(c, '0', '9')
@ -644,7 +648,7 @@ int DiagSnPrintfPatch(char *buf, size_t size, const char *fmt, ...)
shift = (hex_count - 1)*4;
for(; shift >= 0; shift -= 4)
*q++ = "0123456789ABCDEF"[(h >> shift) & 0xF] | ncase;
*q++ = tab0123456789ABCDEF[(h >> shift) & 0xF] | ncase;
}
else if(*fmt == 'd') {
int i = *dp++;
@ -825,7 +829,7 @@ static int VSprintfPatch(char *buf, const char *fmt, const int *dp)
for(; shift >= 0; shift -= 4) {
*q++ = "0123456789ABCDEF"[(h >> shift) & 0xF] | ncase;
*q++ = tab0123456789ABCDEF[(h >> shift) & 0xF] | ncase;
}
}

2
RTL00_SDKV35a/component/common/api/wifi/rtw_wpa_supplicant/wpa_supplicant/wifi_eap_config.c
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@ -35,7 +35,7 @@ const unsigned char *eap_client_cert = NULL;
const unsigned char *eap_client_key = NULL;
char *eap_client_key_pwd = NULL;
//int max_buf_bio_size = SSL_BUFFER_LEN;
//int max_buf_bio_size = SSL_BUFFER_LEN; // ?pvvx?
#ifdef CONFIG_ENABLE_EAP
void eap_eapol_recvd_hdl(char *buf, int buf_len, int flags, void* handler_user_data);

4
RTL00_SDKV35a/component/common/application/xmodem/uart_fw_update.c
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@ -978,7 +978,7 @@ u8 OTU_check_gpio(void)
GPIO_Pin.pin_name = HAL_GPIO_GetIPPinName_8195a(0x21); //pin PC_1
GPIO_Pin.pin_mode = DIN_PULL_HIGH;
_pHAL_Gpio_Adapter = &gBoot_Gpio_Adapter;
// _pHAL_Gpio_Adapter = &gBoot_Gpio_Adapter;
HAL_GPIO_Init_8195a(&GPIO_Pin);
if (HAL_GPIO_ReadPin_8195a(&GPIO_Pin) == GPIO_PIN_LOW) {
@ -989,7 +989,7 @@ u8 OTU_check_gpio(void)
}
HAL_GPIO_DeInit_8195a(&GPIO_Pin);
_pHAL_Gpio_Adapter = NULL;
// _pHAL_Gpio_Adapter = NULL;
return enter_update;
#else
return 0;

1741
RTL00_SDKV35a/component/common/drivers/wlan/realtek/include/hal_com_reg.h Normal file
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174
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/httpd/fs.c Normal file
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@ -0,0 +1,174 @@
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/apps/httpd_opts.h"
#include "lwip/def.h"
#include "lwip/apps/fs.h"
#include <string.h>
#include HTTPD_FSDATA_FILE
/*-----------------------------------------------------------------------------------*/
#if LWIP_HTTPD_CUSTOM_FILES
int fs_open_custom(struct fs_file *file, const char *name);
void fs_close_custom(struct fs_file *file);
#if LWIP_HTTPD_FS_ASYNC_READ
u8_t fs_canread_custom(struct fs_file *file);
u8_t fs_wait_read_custom(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg);
int fs_read_async_custom(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, void *callback_arg);
#else /* LWIP_HTTPD_FS_ASYNC_READ */
int fs_read_custom(struct fs_file *file, char *buffer, int count);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
#endif /* LWIP_HTTPD_CUSTOM_FILES */
/*-----------------------------------------------------------------------------------*/
err_t
fs_open(struct fs_file *file, const char *name)
{
const struct fsdata_file *f;
if ((file == NULL) || (name == NULL)) {
return ERR_ARG;
}
#if LWIP_HTTPD_CUSTOM_FILES
if (fs_open_custom(file, name)) {
file->is_custom_file = 1;
return ERR_OK;
}
file->is_custom_file = 0;
#endif /* LWIP_HTTPD_CUSTOM_FILES */
for (f = FS_ROOT; f != NULL; f = f->next) {
if (!strcmp(name, (const char *)f->name)) {
file->data = (const char *)f->data;
file->len = f->len;
file->index = f->len;
file->pextension = NULL;
file->flags = f->flags;
#if HTTPD_PRECALCULATED_CHECKSUM
file->chksum_count = f->chksum_count;
file->chksum = f->chksum;
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
#if LWIP_HTTPD_FILE_STATE
file->state = fs_state_init(file, name);
#endif /* #if LWIP_HTTPD_FILE_STATE */
return ERR_OK;
}
}
/* file not found */
return ERR_VAL;
}
/*-----------------------------------------------------------------------------------*/
void
fs_close(struct fs_file *file)
{
#if LWIP_HTTPD_CUSTOM_FILES
if (file->is_custom_file) {
fs_close_custom(file);
}
#endif /* LWIP_HTTPD_CUSTOM_FILES */
#if LWIP_HTTPD_FILE_STATE
fs_state_free(file, file->state);
#endif /* #if LWIP_HTTPD_FILE_STATE */
LWIP_UNUSED_ARG(file);
}
/*-----------------------------------------------------------------------------------*/
#if LWIP_HTTPD_DYNAMIC_FILE_READ
#if LWIP_HTTPD_FS_ASYNC_READ
int
fs_read_async(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, void *callback_arg)
#else /* LWIP_HTTPD_FS_ASYNC_READ */
int
fs_read(struct fs_file *file, char *buffer, int count)
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
{
int read;
if(file->index == file->len) {
return FS_READ_EOF;
}
#if LWIP_HTTPD_FS_ASYNC_READ
LWIP_UNUSED_ARG(callback_fn);
LWIP_UNUSED_ARG(callback_arg);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
#if LWIP_HTTPD_CUSTOM_FILES
if (file->is_custom_file) {
#if LWIP_HTTPD_FS_ASYNC_READ
return fs_read_async_custom(file, buffer, count, callback_fn, callback_arg);
#else /* LWIP_HTTPD_FS_ASYNC_READ */
return fs_read_custom(file, buffer, count);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
}
#endif /* LWIP_HTTPD_CUSTOM_FILES */
read = file->len - file->index;
if(read > count) {
read = count;
}
MEMCPY(buffer, (file->data + file->index), read);
file->index += read;
return(read);
}
#endif /* LWIP_HTTPD_DYNAMIC_FILE_READ */
/*-----------------------------------------------------------------------------------*/
#if LWIP_HTTPD_FS_ASYNC_READ
int
fs_is_file_ready(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg)
{
if (file != NULL) {
#if LWIP_HTTPD_FS_ASYNC_READ
#if LWIP_HTTPD_CUSTOM_FILES
if (!fs_canread_custom(file)) {
if (fs_wait_read_custom(file, callback_fn, callback_arg)) {
return 0;
}
}
#else /* LWIP_HTTPD_CUSTOM_FILES */
LWIP_UNUSED_ARG(callback_fn);
LWIP_UNUSED_ARG(callback_arg);
#endif /* LWIP_HTTPD_CUSTOM_FILES */
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
}
return 1;
}
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
/*-----------------------------------------------------------------------------------*/
int
fs_bytes_left(struct fs_file *file)
{
return file->len - file->index;
}

21
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/httpd/fs/404.html Normal file
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@ -0,0 +1,21 @@
<html>
<head><title>lwIP - A Lightweight TCP/IP Stack</title></head>
<body bgcolor="white" text="black">
<table width="100%">
<tr valign="top"><td width="80">
<a href="http://www.sics.se/"><img src="/img/sics.gif"
border="0" alt="SICS logo" title="SICS logo"></a>
</td><td width="500">
<h1>lwIP - A Lightweight TCP/IP Stack</h1>
<h2>404 - Page not found</h2>
<p>
Sorry, the page you are requesting was not found on this
server.
</p>
</td><td>
&nbsp;
</td></tr>
</table>
</body>
</html>

BIN
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/httpd/fs/img/sics.gif Normal file
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47
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/httpd/fs/index.html Normal file
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@ -0,0 +1,47 @@
<html>
<head><title>lwIP - A Lightweight TCP/IP Stack</title></head>
<body bgcolor="white" text="black">
<table width="100%">
<tr valign="top"><td width="80">
<a href="http://www.sics.se/"><img src="/img/sics.gif"
border="0" alt="SICS logo" title="SICS logo"></a>
</td><td width="500">
<h1>lwIP - A Lightweight TCP/IP Stack</h1>
<p>
The web page you are watching was served by a simple web
server running on top of the lightweight TCP/IP stack <a
href="http://www.sics.se/~adam/lwip/">lwIP</a>.
</p>
<p>
lwIP is an open source implementation of the TCP/IP
protocol suite that was originally written by <a
href="http://www.sics.se/~adam/lwip/">Adam Dunkels
of the Swedish Institute of Computer Science</a> but now is
being actively developed by a team of developers
distributed world-wide. Since it's release, lwIP has
spurred a lot of interest and has been ported to several
platforms and operating systems. lwIP can be used either
with or without an underlying OS.
</p>
<p>
The focus of the lwIP TCP/IP implementation is to reduce
the RAM usage while still having a full scale TCP. This
makes lwIP suitable for use in embedded systems with tens
of kilobytes of free RAM and room for around 40 kilobytes
of code ROM.
</p>
<p>
More information about lwIP can be found at the lwIP
homepage at <a
href="http://savannah.nongnu.org/projects/lwip/">http://savannah.nongnu.org/projects/lwip/</a>
or at the lwIP wiki at <a
href="http://lwip.wikia.com/">http://lwip.wikia.com/</a>.
</p>
</td><td>
&nbsp;
</td></tr>
</table>
</body>
</html>

297
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/httpd/fsdata.c Normal file
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@ -0,0 +1,297 @@
#include "lwip/apps/fs.h"
#include "lwip/def.h"
#define file_NULL (struct fsdata_file *) NULL
static const unsigned int dummy_align__img_sics_gif = 0;
static const unsigned char data__img_sics_gif[] = {
/* /img/sics.gif (14 chars) */
0x2f,0x69,0x6d,0x67,0x2f,0x73,0x69,0x63,0x73,0x2e,0x67,0x69,0x66,0x00,0x00,0x00,
/* HTTP header */
/* "HTTP/1.0 200 OK
" (17 bytes) */
0x48,0x54,0x54,0x50,0x2f,0x31,0x2e,0x30,0x20,0x32,0x30,0x30,0x20,0x4f,0x4b,0x0d,
0x0a,
/* "Server: lwIP/1.3.1 (http://savannah.nongnu.org/projects/lwip)
" (63 bytes) */
0x53,0x65,0x72,0x76,0x65,0x72,0x3a,0x20,0x6c,0x77,0x49,0x50,0x2f,0x31,0x2e,0x33,
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/* "Content-type: image/gif
" (27 bytes) */
0x43,0x6f,0x6e,0x74,0x65,0x6e,0x74,0x2d,0x74,0x79,0x70,0x65,0x3a,0x20,0x69,0x6d,
0x61,0x67,0x65,0x2f,0x67,0x69,0x66,0x0d,0x0a,0x0d,0x0a,
/* raw file data (724 bytes) */
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static const unsigned int dummy_align__404_html = 1;
static const unsigned char data__404_html[] = {
/* /404.html (10 chars) */
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/* HTTP header */
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/* "Server: lwIP/1.3.1 (http://savannah.nongnu.org/projects/lwip)
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static const unsigned int dummy_align__index_html = 2;
static const unsigned char data__index_html[] = {
/* /index.html (12 chars) */
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/* HTTP header */
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0x2f,0x61,0x3e,0x2e,0x0d,0x0a,0x09,0x20,0x20,0x3c,0x2f,0x70,0x3e,0x0d,0x0a,0x09,
0x3c,0x2f,0x74,0x64,0x3e,0x3c,0x74,0x64,0x3e,0x0d,0x0a,0x09,0x20,0x20,0x26,0x6e,
0x62,0x73,0x70,0x3b,0x0d,0x0a,0x09,0x3c,0x2f,0x74,0x64,0x3e,0x3c,0x2f,0x74,0x72,
0x3e,0x0d,0x0a,0x20,0x20,0x20,0x20,0x20,0x20,0x3c,0x2f,0x74,0x61,0x62,0x6c,0x65,
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0x6d,0x6c,0x3e,0x0d,0x0a,0x0d,0x0a,};
const struct fsdata_file file__img_sics_gif[] = { {
file_NULL,
data__img_sics_gif,
data__img_sics_gif + 16,
sizeof(data__img_sics_gif) - 16,
1,
}};
const struct fsdata_file file__404_html[] = { {
file__img_sics_gif,
data__404_html,
data__404_html + 12,
sizeof(data__404_html) - 12,
1,
}};
const struct fsdata_file file__index_html[] = { {
file__404_html,
data__index_html,
data__index_html + 12,
sizeof(data__index_html) - 12,
1,
}};
#define FS_ROOT file__index_html
#define FS_NUMFILES 3

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_FSDATA_H
#define LWIP_FSDATA_H
#include "lwip/apps/httpd_opts.h"
#include "lwip/apps/fs.h"
/* THIS FILE IS DEPRECATED AND WILL BE REMOVED IN THE FUTURE */
/* content was moved to fs.h to simplify #include structure */
#endif /* LWIP_FSDATA_H */

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#ifndef LWIP_HTTPD_STRUCTS_H
#define LWIP_HTTPD_STRUCTS_H
#include "lwip/apps/httpd.h"
#if LWIP_HTTPD_DYNAMIC_HEADERS
/** This struct is used for a list of HTTP header strings for various
* filename extensions. */
typedef struct
{
const char *extension;
const char *content_type;
} tHTTPHeader;
/** A list of strings used in HTTP headers (see RFC 1945 HTTP/1.0 and
* RFC 2616 HTTP/1.1 for header field definitions) */
static const char * const g_psHTTPHeaderStrings[] =
{
"HTTP/1.0 200 OK\r\n",
"HTTP/1.0 404 File not found\r\n",
"HTTP/1.0 400 Bad Request\r\n",
"HTTP/1.0 501 Not Implemented\r\n",
"HTTP/1.1 200 OK\r\n",
"HTTP/1.1 404 File not found\r\n",
"HTTP/1.1 400 Bad Request\r\n",
"HTTP/1.1 501 Not Implemented\r\n",
"Content-Length: ",
"Connection: Close\r\n",
"Connection: keep-alive\r\n",
"Connection: keep-alive\r\nContent-Length: ",
"Server: "HTTPD_SERVER_AGENT"\r\n",
"\r\n<html><body><h2>404: The requested file cannot be found.</h2></body></html>\r\n"
#if LWIP_HTTPD_SUPPORT_11_KEEPALIVE
,"Connection: keep-alive\r\nContent-Length: 77\r\n\r\n<html><body><h2>404: The requested file cannot be found.</h2></body></html>\r\n"
#endif
};
/* Indexes into the g_psHTTPHeaderStrings array */
#define HTTP_HDR_OK 0 /* 200 OK */
#define HTTP_HDR_NOT_FOUND 1 /* 404 File not found */
#define HTTP_HDR_BAD_REQUEST 2 /* 400 Bad request */
#define HTTP_HDR_NOT_IMPL 3 /* 501 Not Implemented */
#define HTTP_HDR_OK_11 4 /* 200 OK */
#define HTTP_HDR_NOT_FOUND_11 5 /* 404 File not found */
#define HTTP_HDR_BAD_REQUEST_11 6 /* 400 Bad request */
#define HTTP_HDR_NOT_IMPL_11 7 /* 501 Not Implemented */
#define HTTP_HDR_CONTENT_LENGTH 8 /* Content-Length: (HTTP 1.0)*/
#define HTTP_HDR_CONN_CLOSE 9 /* Connection: Close (HTTP 1.1) */
#define HTTP_HDR_CONN_KEEPALIVE 10 /* Connection: keep-alive (HTTP 1.1) */
#define HTTP_HDR_KEEPALIVE_LEN 11 /* Connection: keep-alive + Content-Length: (HTTP 1.1)*/
#define HTTP_HDR_SERVER 12 /* Server: HTTPD_SERVER_AGENT */
#define DEFAULT_404_HTML 13 /* default 404 body */
#if LWIP_HTTPD_SUPPORT_11_KEEPALIVE
#define DEFAULT_404_HTML_PERSISTENT 14 /* default 404 body, but including Connection: keep-alive */
#endif
#define HTTP_HDR_HTML "Content-type: text/html\r\n\r\n"
#define HTTP_HDR_SSI "Content-type: text/html\r\nExpires: Fri, 10 Apr 2008 14:00:00 GMT\r\nPragma: no-cache\r\n\r\n"
#define HTTP_HDR_GIF "Content-type: image/gif\r\n\r\n"
#define HTTP_HDR_PNG "Content-type: image/png\r\n\r\n"
#define HTTP_HDR_JPG "Content-type: image/jpeg\r\n\r\n"
#define HTTP_HDR_BMP "Content-type: image/bmp\r\n\r\n"
#define HTTP_HDR_ICO "Content-type: image/x-icon\r\n\r\n"
#define HTTP_HDR_APP "Content-type: application/octet-stream\r\n\r\n"
#define HTTP_HDR_JS "Content-type: application/javascript\r\n\r\n"
#define HTTP_HDR_RA "Content-type: application/javascript\r\n\r\n"
#define HTTP_HDR_CSS "Content-type: text/css\r\n\r\n"
#define HTTP_HDR_SWF "Content-type: application/x-shockwave-flash\r\n\r\n"
#define HTTP_HDR_XML "Content-type: text/xml\r\n\r\n"
#define HTTP_HDR_PDF "Content-type: application/pdf\r\n\r\n"
#define HTTP_HDR_JSON "Content-type: application/json\r\n\r\n"
#define HTTP_HDR_DEFAULT_TYPE "Content-type: text/plain\r\n\r\n"
/** A list of extension-to-HTTP header strings (see outdated RFC 1700 MEDIA TYPES
* and http://www.iana.org/assignments/media-types for registered content types
* and subtypes) */
static const tHTTPHeader g_psHTTPHeaders[] =
{
{ "html", HTTP_HDR_HTML},
{ "htm", HTTP_HDR_HTML},
{ "shtml",HTTP_HDR_SSI},
{ "shtm", HTTP_HDR_SSI},
{ "ssi", HTTP_HDR_SSI},
{ "gif", HTTP_HDR_GIF},
{ "png", HTTP_HDR_PNG},
{ "jpg", HTTP_HDR_JPG},
{ "bmp", HTTP_HDR_BMP},
{ "ico", HTTP_HDR_ICO},
{ "class",HTTP_HDR_APP},
{ "cls", HTTP_HDR_APP},
{ "js", HTTP_HDR_JS},
{ "ram", HTTP_HDR_RA},
{ "css", HTTP_HDR_CSS},
{ "swf", HTTP_HDR_SWF},
{ "xml", HTTP_HDR_XML},
{ "xsl", HTTP_HDR_XML},
{ "pdf", HTTP_HDR_PDF},
{ "json", HTTP_HDR_JSON}
};
#define NUM_HTTP_HEADERS (sizeof(g_psHTTPHeaders) / sizeof(tHTTPHeader))
#endif /* LWIP_HTTPD_DYNAMIC_HEADERS */
#if LWIP_HTTPD_SSI
static const char * const g_pcSSIExtensions[] = {
".shtml", ".shtm", ".ssi", ".xml"
};
#define NUM_SHTML_EXTENSIONS (sizeof(g_pcSSIExtensions) / sizeof(const char *))
#endif /* LWIP_HTTPD_SSI */
#endif /* LWIP_HTTPD_STRUCTS_H */

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#!/usr/bin/perl
open(OUTPUT, "> fsdata.c");
chdir("fs");
open(FILES, "find . -type f |");
while($file = <FILES>) {
# Do not include files in CVS directories nor backup files.
if($file =~ /(CVS|~)/) {
next;
}
chop($file);
open(HEADER, "> /tmp/header") || die $!;
if($file =~ /404/) {
print(HEADER "HTTP/1.0 404 File not found\r\n");
} else {
print(HEADER "HTTP/1.0 200 OK\r\n");
}
print(HEADER "Server: lwIP/pre-0.6 (http://www.sics.se/~adam/lwip/)\r\n");
if($file =~ /\.html$/) {
print(HEADER "Content-type: text/html\r\n");
} elsif($file =~ /\.gif$/) {
print(HEADER "Content-type: image/gif\r\n");
} elsif($file =~ /\.png$/) {
print(HEADER "Content-type: image/png\r\n");
} elsif($file =~ /\.jpg$/) {
print(HEADER "Content-type: image/jpeg\r\n");
} elsif($file =~ /\.class$/) {
print(HEADER "Content-type: application/octet-stream\r\n");
} elsif($file =~ /\.ram$/) {
print(HEADER "Content-type: audio/x-pn-realaudio\r\n");
} else {
print(HEADER "Content-type: text/plain\r\n");
}
print(HEADER "\r\n");
close(HEADER);
unless($file =~ /\.plain$/ || $file =~ /cgi/) {
system("cat /tmp/header $file > /tmp/file");
} else {
system("cp $file /tmp/file");
}
open(FILE, "/tmp/file");
unlink("/tmp/file");
unlink("/tmp/header");
$file =~ s/\.//;
$fvar = $file;
$fvar =~ s-/-_-g;
$fvar =~ s-\.-_-g;
print(OUTPUT "static const unsigned char data".$fvar."[] = {\n");
print(OUTPUT "\t/* $file */\n\t");
for($j = 0; $j < length($file); $j++) {
printf(OUTPUT "%#02x, ", unpack("C", substr($file, $j, 1)));
}
printf(OUTPUT "0,\n");
$i = 0;
while(read(FILE, $data, 1)) {
if($i == 0) {
print(OUTPUT "\t");
}
printf(OUTPUT "%#02x, ", unpack("C", $data));
$i++;
if($i == 10) {
print(OUTPUT "\n");
$i = 0;
}
}
print(OUTPUT "};\n\n");
close(FILE);
push(@fvars, $fvar);
push(@files, $file);
}
for($i = 0; $i < @fvars; $i++) {
$file = $files[$i];
$fvar = $fvars[$i];
if($i == 0) {
$prevfile = "NULL";
} else {
$prevfile = "file" . $fvars[$i - 1];
}
print(OUTPUT "const struct fsdata_file file".$fvar."[] = {{$prevfile, data$fvar, ");
print(OUTPUT "data$fvar + ". (length($file) + 1) .", ");
print(OUTPUT "sizeof(data$fvar) - ". (length($file) + 1) ."}};\n\n");
}
print(OUTPUT "#define FS_ROOT file$fvars[$i - 1]\n\n");
print(OUTPUT "#define FS_NUMFILES $i\n");

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RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/httpd/makefsdata/readme.txt Normal file
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This directory contains a script ('makefsdata') to create C code suitable for
httpd for given html pages (or other files) in a directory.
There is also a plain C console application doing the same and extended a bit.
Usage: htmlgen [targetdir] [-s] [-i]s
targetdir: relative or absolute path to files to convert
switch -s: toggle processing of subdirectories (default is on)
switch -e: exclude HTTP header from file (header is created at runtime, default is on)
switch -11: include HTTP 1.1 header (1.0 is default)
if targetdir not specified, makefsdata will attempt to
process files in subdirectory 'fs'.

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/**
* @file
* lwIP iPerf server implementation
*/
/**
* @defgroup iperf Iperf server
* @ingroup apps
*
* This is a simple performance measuring server to check your bandwith using
* iPerf2 on a PC as client.
* It is currently a minimal implementation providing an IPv4 TCP server only.
*
* @todo: implement UDP mode and IPv6
*/
/*
* Copyright (c) 2014 Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Simon Goldschmidt
*/
#include "lwip/apps/lwiperf.h"
#include "lwip/tcp.h"
#include "lwip/sys.h"
#include <string.h>
/* Currently, only TCP-over-IPv4 is implemented (does iperf support IPv6 anyway?) */
#if LWIP_IPV4 && LWIP_TCP
/** Specify the idle timeout (in seconds) after that the test fails */
#ifndef LWIPERF_TCP_MAX_IDLE_SEC
#define LWIPERF_TCP_MAX_IDLE_SEC 10U
#endif
#if LWIPERF_TCP_MAX_IDLE_SEC > 255
#error LWIPERF_TCP_MAX_IDLE_SEC must fit into an u8_t
#endif
/* File internal memory allocation (struct lwiperf_*): this defaults to
the heap */
#ifndef LWIPERF_ALLOC
#define LWIPERF_ALLOC(type) mem_malloc(sizeof(type))
#define LWIPERF_FREE(type, item) mem_free(item)
#endif
/** If this is 1, check that received data has the correct format */
#ifndef LWIPERF_CHECK_RX_DATA
#define LWIPERF_CHECK_RX_DATA 0
#endif
/** This is the Iperf settings struct sent from the client */
typedef struct _lwiperf_settings {
#define LWIPERF_FLAGS_ANSWER_TEST 0x80000000
#define LWIPERF_FLAGS_ANSWER_NOW 0x00000001
u32_t flags;
u32_t num_threads; /* unused for now */
u32_t remote_port;
u32_t buffer_len; /* unused for now */
u32_t win_band; /* TCP window / UDP rate: unused for now */
u32_t amount; /* pos. value: bytes?; neg. values: time (unit is 10ms: 1/100 second) */
} lwiperf_settings_t;
/** Basic connection handle */
struct _lwiperf_state_base;
typedef struct _lwiperf_state_base lwiperf_state_base_t;
struct _lwiperf_state_base {
/* 1=tcp, 0=udp */
u8_t tcp;
/* 1=server, 0=client */
u8_t server;
lwiperf_state_base_t* next;
lwiperf_state_base_t* related_server_state;
};
/** Connection handle for a TCP iperf session */
typedef struct _lwiperf_state_tcp {
lwiperf_state_base_t base;
struct tcp_pcb* server_pcb;
struct tcp_pcb* conn_pcb;
u32_t time_started;
lwiperf_report_fn report_fn;
void* report_arg;
u8_t poll_count;
u8_t next_num;
u32_t bytes_transferred;
lwiperf_settings_t settings;
u8_t have_settings_buf;
} lwiperf_state_tcp_t;
/** List of active iperf sessions */
static lwiperf_state_base_t* lwiperf_all_connections;
/** A const buffer to send from: we want to measure sending, not copying! */
static const u8_t lwiperf_txbuf_const[1600] = {
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
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'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
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'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
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'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
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'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
'0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9','0','1','2','3','4','5','6','7','8','9',
};
static err_t lwiperf_tcp_poll(void *arg, struct tcp_pcb *tpcb);
static void lwiperf_tcp_err(void *arg, err_t err);
/** Add an iperf session to the 'active' list */
static void
lwiperf_list_add(lwiperf_state_base_t* item)
{
if (lwiperf_all_connections == NULL) {
lwiperf_all_connections = item;
} else {
item = lwiperf_all_connections;
}
}
/** Remove an iperf session from the 'active' list */
static void
lwiperf_list_remove(lwiperf_state_base_t* item)
{
lwiperf_state_base_t* prev = NULL;
lwiperf_state_base_t* iter;
for (iter = lwiperf_all_connections; iter != NULL; prev = iter, iter = iter->next) {
if (iter == item) {
if (prev == NULL) {
lwiperf_all_connections = iter->next;
} else {
prev->next = item;
}
/* @debug: ensure this item is listed only once */
for (iter = iter->next; iter != NULL; iter = iter->next) {
LWIP_ASSERT("duplicate entry", iter != item);
}
break;
}
}
}
/** Call the report function of an iperf tcp session */
static void
lwip_tcp_conn_report(lwiperf_state_tcp_t* conn, enum lwiperf_report_type report_type)
{
if ((conn != NULL) && (conn->report_fn != NULL)) {
u32_t now, duration_ms, bandwidth_kbitpsec;
now = sys_now();
duration_ms = now - conn->time_started;
if (duration_ms == 0) {
bandwidth_kbitpsec = 0;
} else {
bandwidth_kbitpsec = (conn->bytes_transferred / duration_ms) * 8U;
}
conn->report_fn(conn->report_arg, report_type,
&conn->conn_pcb->local_ip, conn->conn_pcb->local_port,
&conn->conn_pcb->remote_ip, conn->conn_pcb->remote_port,
conn->bytes_transferred, duration_ms, bandwidth_kbitpsec);
}
}
/** Close an iperf tcp session */
static void
lwiperf_tcp_close(lwiperf_state_tcp_t* conn, enum lwiperf_report_type report_type)
{
err_t err;
lwip_tcp_conn_report(conn, report_type);
lwiperf_list_remove(&conn->base);
if (conn->conn_pcb != NULL) {
tcp_arg(conn->conn_pcb, NULL);
tcp_poll(conn->conn_pcb, NULL, 0);
tcp_sent(conn->conn_pcb, NULL);
tcp_recv(conn->conn_pcb, NULL);
tcp_err(conn->conn_pcb, NULL);
err = tcp_close(conn->conn_pcb);
if (err != ERR_OK) {
/* don't want to wait for free memory here... */
tcp_abort(conn->conn_pcb);
}
} else {
/* no conn pcb, this is the server pcb */
err = tcp_close(conn->server_pcb);
LWIP_ASSERT("error", err != ERR_OK);
}
LWIPERF_FREE(lwiperf_state_tcp_t, conn);
}
/** Try to send more data on an iperf tcp session */
static err_t
lwiperf_tcp_client_send_more(lwiperf_state_tcp_t* conn)
{
int send_more;
err_t err;
u16_t txlen;
u16_t txlen_max;
void* txptr;
u8_t apiflags;
LWIP_ASSERT("conn invalid", (conn != NULL) && conn->base.tcp && (conn->base.server == 0));
do {
send_more = 0;
if (conn->settings.amount & PP_HTONL(0x80000000)) {
/* this session is time-limited */
u32_t now = sys_now();
u32_t diff_ms = now - conn->time_started;
u32_t time = (u32_t)-(s32_t)lwip_htonl(conn->settings.amount);
u32_t time_ms = time * 10;
if (diff_ms >= time_ms) {
/* time specified by the client is over -> close the connection */
lwiperf_tcp_close(conn, LWIPERF_TCP_DONE_CLIENT);
return ERR_OK;
}
} else {
/* this session is byte-limited */
u32_t amount_bytes = lwip_htonl(conn->settings.amount);
/* @todo: this can send up to 1*MSS more than requested... */
if (amount_bytes >= conn->bytes_transferred) {
/* all requested bytes transferred -> close the connection */
lwiperf_tcp_close(conn, LWIPERF_TCP_DONE_CLIENT);
return ERR_OK;
}
}
if (conn->bytes_transferred < 24) {
/* transmit the settings a first time */
txptr = &((u8_t*)&conn->settings)[conn->bytes_transferred];
txlen_max = (u16_t)(24 - conn->bytes_transferred);
apiflags = TCP_WRITE_FLAG_COPY;
} else if (conn->bytes_transferred < 48) {
/* transmit the settings a second time */
txptr = &((u8_t*)&conn->settings)[conn->bytes_transferred - 24];
txlen_max = (u16_t)(48 - conn->bytes_transferred);
apiflags = TCP_WRITE_FLAG_COPY | TCP_WRITE_FLAG_MORE;
send_more = 1;
} else {
/* transmit data */
/* @todo: every x bytes, transmit the settings again */
txptr = LWIP_CONST_CAST(void*, &lwiperf_txbuf_const[conn->bytes_transferred % 10]);
txlen_max = TCP_MSS;
if (conn->bytes_transferred == 48) { /* @todo: fix this for intermediate settings, too */
txlen_max = TCP_MSS - 24;
}
apiflags = 0; /* no copying needed */
send_more = 1;
}
txlen = txlen_max;
do {
err = tcp_write(conn->conn_pcb, txptr, txlen, apiflags);
if (err == ERR_MEM) {
txlen /= 2;
}
} while ((err == ERR_MEM) && (txlen >= (TCP_MSS/2)));
if (err == ERR_OK) {
conn->bytes_transferred += txlen;
} else {
send_more = 0;
}
} while(send_more);
tcp_output(conn->conn_pcb);
return ERR_OK;
}
/** TCP sent callback, try to send more data */
static err_t
lwiperf_tcp_client_sent(void *arg, struct tcp_pcb *tpcb, u16_t len)
{
lwiperf_state_tcp_t* conn = (lwiperf_state_tcp_t*)arg;
/* @todo: check 'len' (e.g. to time ACK of all data)? for now, we just send more... */
LWIP_ASSERT("invalid conn", conn->conn_pcb == tpcb);
LWIP_UNUSED_ARG(tpcb);
LWIP_UNUSED_ARG(len);
conn->poll_count = 0;
return lwiperf_tcp_client_send_more(conn);
}
/** TCP connected callback (active connection), send data now */
static err_t
lwiperf_tcp_client_connected(void *arg, struct tcp_pcb *tpcb, err_t err)
{
lwiperf_state_tcp_t* conn = (lwiperf_state_tcp_t*)arg;
LWIP_ASSERT("invalid conn", conn->conn_pcb == tpcb);
LWIP_UNUSED_ARG(tpcb);
if (err != ERR_OK) {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_REMOTE);
return ERR_OK;
}
conn->poll_count = 0;
conn->time_started = sys_now();
return lwiperf_tcp_client_send_more(conn);
}
/** Start TCP connection back to the client (either parallel or after the
* receive test has finished.
*/
static err_t
lwiperf_tx_start(lwiperf_state_tcp_t* conn)
{
err_t err;
lwiperf_state_tcp_t* client_conn;
struct tcp_pcb* newpcb;
ip_addr_t remote_addr;
u16_t remote_port;
client_conn = (lwiperf_state_tcp_t*)LWIPERF_ALLOC(lwiperf_state_tcp_t);
if (client_conn == NULL) {
return ERR_MEM;
}
newpcb = tcp_new();
if (newpcb == NULL) {
LWIPERF_FREE(lwiperf_state_tcp_t, client_conn);
return ERR_MEM;
}
MEMCPY(client_conn, conn, sizeof(lwiperf_state_tcp_t));
client_conn->base.server = 0;
client_conn->server_pcb = NULL;
client_conn->conn_pcb = newpcb;
client_conn->time_started = sys_now(); /* @todo: set this again on 'connected' */
client_conn->poll_count = 0;
client_conn->next_num = 4; /* initial nr is '4' since the header has 24 byte */
client_conn->bytes_transferred = 0;
client_conn->settings.flags = 0; /* prevent the remote side starting back as client again */
tcp_arg(newpcb, client_conn);
tcp_sent(newpcb, lwiperf_tcp_client_sent);
tcp_poll(newpcb, lwiperf_tcp_poll, 2U);
tcp_err(newpcb, lwiperf_tcp_err);
ip_addr_copy(remote_addr, conn->conn_pcb->remote_ip);
remote_port = (u16_t)lwip_htonl(client_conn->settings.remote_port);
err = tcp_connect(newpcb, &remote_addr, remote_port, lwiperf_tcp_client_connected);
if (err != ERR_OK) {
lwiperf_tcp_close(client_conn, LWIPERF_TCP_ABORTED_LOCAL);
return err;
}
lwiperf_list_add(&client_conn->base);
return ERR_OK;
}
/** Receive data on an iperf tcp session */
static err_t
lwiperf_tcp_recv(void *arg, struct tcp_pcb *tpcb, struct pbuf *p, err_t err)
{
u8_t tmp;
u16_t tot_len;
u32_t packet_idx;
struct pbuf* q;
lwiperf_state_tcp_t* conn = (lwiperf_state_tcp_t*)arg;
LWIP_ASSERT("pcb mismatch", conn->conn_pcb == tpcb);
LWIP_UNUSED_ARG(tpcb);
if (err != ERR_OK) {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_REMOTE);
return ERR_OK;
}
if (p == NULL) {
/* connection closed -> test done */
if ((conn->settings.flags & PP_HTONL(LWIPERF_FLAGS_ANSWER_TEST|LWIPERF_FLAGS_ANSWER_NOW)) ==
PP_HTONL(LWIPERF_FLAGS_ANSWER_TEST)) {
/* client requested transmission after end of test */
lwiperf_tx_start(conn);
}
lwiperf_tcp_close(conn, LWIPERF_TCP_DONE_SERVER);
return ERR_OK;
}
tot_len = p->tot_len;
conn->poll_count = 0;
if ((!conn->have_settings_buf) || ((conn->bytes_transferred -24) % (1024*128) == 0)) {
/* wait for 24-byte header */
if (p->tot_len < sizeof(lwiperf_settings_t)) {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_LOCAL_DATAERROR);
pbuf_free(p);
return ERR_VAL;
}
if (!conn->have_settings_buf) {
if (pbuf_copy_partial(p, &conn->settings, sizeof(lwiperf_settings_t), 0) != sizeof(lwiperf_settings_t)) {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_LOCAL);
pbuf_free(p);
return ERR_VAL;
}
conn->have_settings_buf = 1;
if ((conn->settings.flags & PP_HTONL(LWIPERF_FLAGS_ANSWER_TEST|LWIPERF_FLAGS_ANSWER_NOW)) ==
PP_HTONL(LWIPERF_FLAGS_ANSWER_TEST|LWIPERF_FLAGS_ANSWER_NOW)) {
/* client requested parallel transmission test */
err_t err2 = lwiperf_tx_start(conn);
if (err2 != ERR_OK) {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_LOCAL_TXERROR);
pbuf_free(p);
return err2;
}
}
} else {
if (pbuf_memcmp(p, 0, &conn->settings, sizeof(lwiperf_settings_t)) != 0) {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_LOCAL_DATAERROR);
pbuf_free(p);
return ERR_VAL;
}
}
conn->bytes_transferred += sizeof(lwiperf_settings_t);
if (conn->bytes_transferred <= 24) {
conn->time_started = sys_now();
tcp_recved(tpcb, p->tot_len);
pbuf_free(p);
return ERR_OK;
}
conn->next_num = 4; /* 24 bytes received... */
tmp = pbuf_header(p, -24);
LWIP_ASSERT("pbuf_header failed", tmp == 0);
}
packet_idx = 0;
for (q = p; q != NULL; q = q->next) {
#if LWIPERF_CHECK_RX_DATA
const u8_t* payload = (const u8_t*)q->payload;
u16_t i;
for (i = 0; i < q->len; i++) {
u8_t val = payload[i];
u8_t num = val - '0';
if (num == conn->next_num) {
conn->next_num++;
if (conn->next_num == 10) {
conn->next_num = 0;
}
} else {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_LOCAL_DATAERROR);
pbuf_free(p);
return ERR_VAL;
}
}
#endif
packet_idx += q->len;
}
LWIP_ASSERT("count mismatch", packet_idx == p->tot_len);
conn->bytes_transferred += packet_idx;
tcp_recved(tpcb, tot_len);
pbuf_free(p);
return ERR_OK;
}
/** Error callback, iperf tcp session aborted */
static void
lwiperf_tcp_err(void *arg, err_t err)
{
lwiperf_state_tcp_t* conn = (lwiperf_state_tcp_t*)arg;
LWIP_UNUSED_ARG(err);
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_REMOTE);
}
/** TCP poll callback, try to send more data */
static err_t
lwiperf_tcp_poll(void *arg, struct tcp_pcb *tpcb)
{
lwiperf_state_tcp_t* conn = (lwiperf_state_tcp_t*)arg;
LWIP_ASSERT("pcb mismatch", conn->conn_pcb == tpcb);
LWIP_UNUSED_ARG(tpcb);
if (++conn->poll_count >= LWIPERF_TCP_MAX_IDLE_SEC) {
lwiperf_tcp_close(conn, LWIPERF_TCP_ABORTED_LOCAL);
return ERR_OK; /* lwiperf_tcp_close frees conn */
}
if (!conn->base.server) {
lwiperf_tcp_client_send_more(conn);
}
return ERR_OK;
}
/** This is called when a new client connects for an iperf tcp session */
static err_t
lwiperf_tcp_accept(void *arg, struct tcp_pcb *newpcb, err_t err)
{
lwiperf_state_tcp_t *s, *conn;
if ((err != ERR_OK) || (newpcb == NULL) || (arg == NULL)) {
return ERR_VAL;
}
s = (lwiperf_state_tcp_t*)arg;
conn = (lwiperf_state_tcp_t*)LWIPERF_ALLOC(lwiperf_state_tcp_t);
if (conn == NULL) {
return ERR_MEM;
}
memset(conn, 0, sizeof(lwiperf_state_tcp_t));
conn->base.tcp = 1;
conn->base.server = 1;
conn->base.related_server_state = &s->base;
conn->server_pcb = s->server_pcb;
conn->conn_pcb = newpcb;
conn->time_started = sys_now();
conn->report_fn = s->report_fn;
conn->report_arg = s->report_arg;
/* setup the tcp rx connection */
tcp_arg(newpcb, conn);
tcp_recv(newpcb, lwiperf_tcp_recv);
tcp_poll(newpcb, lwiperf_tcp_poll, 2U);
tcp_err(conn->conn_pcb, lwiperf_tcp_err);
lwiperf_list_add(&conn->base);
return ERR_OK;
}
/**
* @ingroup iperf
* Start a TCP iperf server on the default TCP port (5001) and listen for
* incoming connections from iperf clients.
*
* @returns a connection handle that can be used to abort the server
* by calling @ref lwiperf_abort()
*/
void*
lwiperf_start_tcp_server_default(lwiperf_report_fn report_fn, void* report_arg)
{
return lwiperf_start_tcp_server(IP_ADDR_ANY, LWIPERF_TCP_PORT_DEFAULT,
report_fn, report_arg);
}
/**
* @ingroup iperf
* Start a TCP iperf server on a specific IP address and port and listen for
* incoming connections from iperf clients.
*
* @returns a connection handle that can be used to abort the server
* by calling @ref lwiperf_abort()
*/
void*
lwiperf_start_tcp_server(const ip_addr_t* local_addr, u16_t local_port,
lwiperf_report_fn report_fn, void* report_arg)
{
err_t err;
struct tcp_pcb* pcb;
lwiperf_state_tcp_t* s;
if (local_addr == NULL) {
return NULL;
}
s = (lwiperf_state_tcp_t*)LWIPERF_ALLOC(lwiperf_state_tcp_t);
if (s == NULL) {
return NULL;
}
memset(s, 0, sizeof(lwiperf_state_tcp_t));
s->base.tcp = 1;
s->base.server = 1;
s->report_fn = report_fn;
s->report_arg = report_arg;
pcb = tcp_new();
if (pcb != NULL) {
err = tcp_bind(pcb, local_addr, local_port);
if (err == ERR_OK) {
s->server_pcb = tcp_listen_with_backlog(pcb, 1);
}
}
if (s->server_pcb == NULL) {
if (pcb != NULL) {
tcp_close(pcb);
}
LWIPERF_FREE(lwiperf_state_tcp_t, s);
return NULL;
}
pcb = NULL;
tcp_arg(s->server_pcb, s);
tcp_accept(s->server_pcb, lwiperf_tcp_accept);
lwiperf_list_add(&s->base);
return s;
}
/**
* @ingroup iperf
* Abort an iperf session (handle returned by lwiperf_start_tcp_server*())
*/
void
lwiperf_abort(void* lwiperf_session)
{
lwiperf_state_base_t* i, *dealloc, *last = NULL;
for (i = lwiperf_all_connections; i != NULL; ) {
if ((i == lwiperf_session) || (i->related_server_state == lwiperf_session)) {
dealloc = i;
i = i->next;
if (last != NULL) {
last->next = i;
}
LWIPERF_FREE(lwiperf_state_tcp_t, dealloc); /* @todo: type? */
} else {
last = i;
i = i->next;
}
}
}
#endif /* LWIP_IPV4 && LWIP_TCP */

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/**
* @file
* NetBIOS name service responder
*/
/**
* @defgroup netbiosns NETBIOS responder
* @ingroup apps
*
* This is an example implementation of a NetBIOS name server.
* It responds to name queries for a configurable name.
* Name resolving is not supported.
*
* Note that the device doesn't broadcast it's own name so can't
* detect duplicate names!
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#include "lwip/apps/netbiosns.h"
#if LWIP_IPV4 && LWIP_UDP /* don't build if not configured for use in lwipopts.h */
#include "lwip/def.h"
#include "lwip/udp.h"
#include "lwip/netif.h"
#include <string.h>
/** default port number for "NetBIOS Name service */
#define NETBIOS_PORT 137
/** size of a NetBIOS name */
#define NETBIOS_NAME_LEN 16
/** The Time-To-Live for NetBIOS name responds (in seconds)
* Default is 300000 seconds (3 days, 11 hours, 20 minutes) */
#define NETBIOS_NAME_TTL 300000u
/** NetBIOS header flags */
#define NETB_HFLAG_RESPONSE 0x8000U
#define NETB_HFLAG_OPCODE 0x7800U
#define NETB_HFLAG_OPCODE_NAME_QUERY 0x0000U
#define NETB_HFLAG_AUTHORATIVE 0x0400U
#define NETB_HFLAG_TRUNCATED 0x0200U
#define NETB_HFLAG_RECURS_DESIRED 0x0100U
#define NETB_HFLAG_RECURS_AVAILABLE 0x0080U
#define NETB_HFLAG_BROADCAST 0x0010U
#define NETB_HFLAG_REPLYCODE 0x0008U
#define NETB_HFLAG_REPLYCODE_NOERROR 0x0000U
/** NetBIOS name flags */
#define NETB_NFLAG_UNIQUE 0x8000U
#define NETB_NFLAG_NODETYPE 0x6000U
#define NETB_NFLAG_NODETYPE_HNODE 0x6000U
#define NETB_NFLAG_NODETYPE_MNODE 0x4000U
#define NETB_NFLAG_NODETYPE_PNODE 0x2000U
#define NETB_NFLAG_NODETYPE_BNODE 0x0000U
/** NetBIOS message header */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct netbios_hdr {
PACK_STRUCT_FIELD(u16_t trans_id);
PACK_STRUCT_FIELD(u16_t flags);
PACK_STRUCT_FIELD(u16_t questions);
PACK_STRUCT_FIELD(u16_t answerRRs);
PACK_STRUCT_FIELD(u16_t authorityRRs);
PACK_STRUCT_FIELD(u16_t additionalRRs);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** NetBIOS message name part */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct netbios_name_hdr {
PACK_STRUCT_FLD_8(u8_t nametype);
PACK_STRUCT_FLD_8(u8_t encname[(NETBIOS_NAME_LEN*2)+1]);
PACK_STRUCT_FIELD(u16_t type);
PACK_STRUCT_FIELD(u16_t cls);
PACK_STRUCT_FIELD(u32_t ttl);
PACK_STRUCT_FIELD(u16_t datalen);
PACK_STRUCT_FIELD(u16_t flags);
PACK_STRUCT_FLD_S(ip4_addr_p_t addr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** NetBIOS message */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct netbios_resp
{
struct netbios_hdr resp_hdr;
struct netbios_name_hdr resp_name;
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef NETBIOS_LWIP_NAME
#define NETBIOS_LOCAL_NAME NETBIOS_LWIP_NAME
#else
static char netbiosns_local_name[NETBIOS_NAME_LEN];
#define NETBIOS_LOCAL_NAME netbiosns_local_name
#endif
struct udp_pcb *netbiosns_pcb;
/** Decode a NetBIOS name (from packet to string) */
static int
netbiosns_name_decode(char *name_enc, char *name_dec, int name_dec_len)
{
char *pname;
char cname;
char cnbname;
int idx = 0;
LWIP_UNUSED_ARG(name_dec_len);
/* Start decoding netbios name. */
pname = name_enc;
for (;;) {
/* Every two characters of the first level-encoded name
* turn into one character in the decoded name. */
cname = *pname;
if (cname == '\0')
break; /* no more characters */
if (cname == '.')
break; /* scope ID follows */
if (cname < 'A' || cname > 'Z') {
/* Not legal. */
return -1;
}
cname -= 'A';
cnbname = cname << 4;
pname++;
cname = *pname;
if (cname == '\0' || cname == '.') {
/* No more characters in the name - but we're in
* the middle of a pair. Not legal. */
return -1;
}
if (cname < 'A' || cname > 'Z') {
/* Not legal. */
return -1;
}
cname -= 'A';
cnbname |= cname;
pname++;
/* Do we have room to store the character? */
if (idx < NETBIOS_NAME_LEN) {
/* Yes - store the character. */
name_dec[idx++] = (cnbname!=' '?cnbname:'\0');
}
}
return 0;
}
#if 0 /* function currently unused */
/** Encode a NetBIOS name (from string to packet) - currently unused because
we don't ask for names. */
static int
netbiosns_name_encode(char *name_enc, char *name_dec, int name_dec_len)
{
char *pname;
char cname;
unsigned char ucname;
int idx = 0;
/* Start encoding netbios name. */
pname = name_enc;
for (;;) {
/* Every two characters of the first level-encoded name
* turn into one character in the decoded name. */
cname = *pname;
if (cname == '\0')
break; /* no more characters */
if (cname == '.')
break; /* scope ID follows */
if ((cname < 'A' || cname > 'Z') && (cname < '0' || cname > '9')) {
/* Not legal. */
return -1;
}
/* Do we have room to store the character? */
if (idx >= name_dec_len) {
return -1;
}
/* Yes - store the character. */
ucname = cname;
name_dec[idx++] = ('A'+((ucname>>4) & 0x0F));
name_dec[idx++] = ('A'+( ucname & 0x0F));
pname++;
}
/* Fill with "space" coding */
for (;idx < name_dec_len - 1;) {
name_dec[idx++] = 'C';
name_dec[idx++] = 'A';
}
/* Terminate string */
name_dec[idx] = '\0';
return 0;
}
#endif /* 0 */
/** NetBIOS Name service recv callback */
static void
netbiosns_recv(void *arg, struct udp_pcb *upcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{
LWIP_UNUSED_ARG(arg);
/* if packet is valid */
if (p != NULL) {
char netbios_name[NETBIOS_NAME_LEN+1];
struct netbios_hdr* netbios_hdr = (struct netbios_hdr*)p->payload;
struct netbios_name_hdr* netbios_name_hdr = (struct netbios_name_hdr*)(netbios_hdr+1);
/* we only answer if we got a default interface */
if (netif_default != NULL) {
/* @todo: do we need to check answerRRs/authorityRRs/additionalRRs? */
/* if the packet is a NetBIOS name query question */
if (((netbios_hdr->flags & PP_NTOHS(NETB_HFLAG_OPCODE)) == PP_NTOHS(NETB_HFLAG_OPCODE_NAME_QUERY)) &&
((netbios_hdr->flags & PP_NTOHS(NETB_HFLAG_RESPONSE)) == 0) &&
(netbios_hdr->questions == PP_NTOHS(1))) {
/* decode the NetBIOS name */
netbiosns_name_decode((char*)(netbios_name_hdr->encname), netbios_name, sizeof(netbios_name));
/* if the packet is for us */
if (lwip_strnicmp(netbios_name, NETBIOS_LOCAL_NAME, sizeof(NETBIOS_LOCAL_NAME)) == 0) {
struct pbuf *q;
struct netbios_resp *resp;
q = pbuf_alloc(PBUF_TRANSPORT, sizeof(struct netbios_resp), PBUF_RAM);
if (q != NULL) {
resp = (struct netbios_resp*)q->payload;
/* prepare NetBIOS header response */
resp->resp_hdr.trans_id = netbios_hdr->trans_id;
resp->resp_hdr.flags = PP_HTONS(NETB_HFLAG_RESPONSE |
NETB_HFLAG_OPCODE_NAME_QUERY |
NETB_HFLAG_AUTHORATIVE |
NETB_HFLAG_RECURS_DESIRED);
resp->resp_hdr.questions = 0;
resp->resp_hdr.answerRRs = PP_HTONS(1);
resp->resp_hdr.authorityRRs = 0;
resp->resp_hdr.additionalRRs = 0;
/* prepare NetBIOS header datas */
MEMCPY( resp->resp_name.encname, netbios_name_hdr->encname, sizeof(netbios_name_hdr->encname));
resp->resp_name.nametype = netbios_name_hdr->nametype;
resp->resp_name.type = netbios_name_hdr->type;
resp->resp_name.cls = netbios_name_hdr->cls;
resp->resp_name.ttl = PP_HTONL(NETBIOS_NAME_TTL);
resp->resp_name.datalen = PP_HTONS(sizeof(resp->resp_name.flags)+sizeof(resp->resp_name.addr));
resp->resp_name.flags = PP_HTONS(NETB_NFLAG_NODETYPE_BNODE);
ip4_addr_copy(resp->resp_name.addr, *netif_ip4_addr(netif_default));
/* send the NetBIOS response */
udp_sendto(upcb, q, addr, port);
/* free the "reference" pbuf */
pbuf_free(q);
}
}
}
}
/* free the pbuf */
pbuf_free(p);
}
}
/**
* @ingroup netbiosns
* Init netbios responder
*/
void
netbiosns_init(void)
{
#ifdef NETBIOS_LWIP_NAME
LWIP_ASSERT("NetBIOS name is too long!", strlen(NETBIOS_LWIP_NAME) < NETBIOS_NAME_LEN);
#endif
netbiosns_pcb = udp_new_ip_type(IPADDR_TYPE_ANY);
if (netbiosns_pcb != NULL) {
/* we have to be allowed to send broadcast packets! */
ip_set_option(netbiosns_pcb, SOF_BROADCAST);
udp_bind(netbiosns_pcb, IP_ANY_TYPE, NETBIOS_PORT);
udp_recv(netbiosns_pcb, netbiosns_recv, netbiosns_pcb);
}
}
#ifndef NETBIOS_LWIP_NAME
/**
* @ingroup netbiosns
* Set netbios name. ATTENTION: the hostname must be less than 15 characters!
*/
void
netbiosns_set_name(const char* hostname)
{
size_t copy_len = strlen(hostname);
LWIP_ASSERT("NetBIOS name is too long!", copy_len < NETBIOS_NAME_LEN);
if (copy_len >= NETBIOS_NAME_LEN) {
copy_len = NETBIOS_NAME_LEN - 1;
}
MEMCPY(netbiosns_local_name, hostname, copy_len + 1);
}
#endif
/**
* @ingroup netbiosns
* Stop netbios responder
*/
void
netbiosns_stop(void)
{
if (netbiosns_pcb != NULL) {
udp_remove(netbiosns_pcb);
netbiosns_pcb = NULL;
}
}
#endif /* LWIP_IPV4 && LWIP_UDP */

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/**
* @file
* Abstract Syntax Notation One (ISO 8824, 8825) encoding
*
* @todo not optimised (yet), favor correctness over speed, favor speed over size
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Christiaan Simons <christiaan.simons@axon.tv>
* Martin Hentschel <info@cl-soft.de>
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "snmp_asn1.h"
#define PBUF_OP_EXEC(code) \
if ((code) != ERR_OK) { \
return ERR_BUF; \
}
/**
* Encodes a TLV into a pbuf stream.
*
* @param pbuf_stream points to a pbuf stream
* @param tlv TLV to encode
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*/
err_t
snmp_ans1_enc_tlv(struct snmp_pbuf_stream* pbuf_stream, struct snmp_asn1_tlv* tlv)
{
u8_t data;
u8_t length_bytes_required;
/* write type */
if ((tlv->type & SNMP_ASN1_DATATYPE_MASK) == SNMP_ASN1_DATATYPE_EXTENDED) {
/* extended format is not used by SNMP so we do not accept those values */
return ERR_ARG;
}
if (tlv->type_len != 0) {
/* any other value as auto is not accepted for type (we always use one byte because extended syntax is prohibited) */
return ERR_ARG;
}
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, tlv->type));
tlv->type_len = 1;
/* write length */
if (tlv->value_len <= 127) {
length_bytes_required = 1;
} else if (tlv->value_len <= 255) {
length_bytes_required = 2;
} else {
length_bytes_required = 3;
}
/* check for forced min length */
if (tlv->length_len > 0) {
if (tlv->length_len < length_bytes_required) {
/* unable to code requested length in requested number of bytes */
return ERR_ARG;
}
length_bytes_required = tlv->length_len;
} else {
tlv->length_len = length_bytes_required;
}
if (length_bytes_required > 1) {
/* multi byte representation required */
length_bytes_required--;
data = 0x80 | length_bytes_required; /* extended length definition, 1 length byte follows */
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, data));
while (length_bytes_required > 1) {
if (length_bytes_required == 2) {
/* append high byte */
data = (u8_t)(tlv->value_len >> 8);
} else {
/* append leading 0x00 */
data = 0x00;
}
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, data));
length_bytes_required--;
}
}
/* append low byte */
data = (u8_t)(tlv->value_len & 0xFF);
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, data));
return ERR_OK;
}
/**
* Encodes raw data (octet string, opaque) into a pbuf chained ASN1 msg.
*
* @param pbuf_stream points to a pbuf stream
* @param raw_len raw data length
* @param raw points raw data
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*/
err_t
snmp_asn1_enc_raw(struct snmp_pbuf_stream* pbuf_stream, const u8_t *raw, u16_t raw_len)
{
PBUF_OP_EXEC(snmp_pbuf_stream_writebuf(pbuf_stream, raw, raw_len));
return ERR_OK;
}
/**
* Encodes u32_t (counter, gauge, timeticks) into a pbuf chained ASN1 msg.
*
* @param pbuf_stream points to a pbuf stream
* @param octets_needed encoding length (from snmp_asn1_enc_u32t_cnt())
* @param value is the host order u32_t value to be encoded
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*
* @see snmp_asn1_enc_u32t_cnt()
*/
err_t
snmp_asn1_enc_u32t(struct snmp_pbuf_stream* pbuf_stream, u16_t octets_needed, u32_t value)
{
if (octets_needed > 5) {
return ERR_ARG;
}
if (octets_needed == 5) {
/* not enough bits in 'value' add leading 0x00 */
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, 0x00));
octets_needed--;
}
while (octets_needed > 1) {
octets_needed--;
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)(value >> (octets_needed << 3))));
}
/* (only) one least significant octet */
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)value));
return ERR_OK;
}
/**
* Encodes u64_t (counter64) into a pbuf chained ASN1 msg.
*
* @param pbuf_stream points to a pbuf stream
* @param octets_needed encoding length (from snmp_asn1_enc_u32t_cnt())
* @param value is the host order u32_t value to be encoded
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*
* @see snmp_asn1_enc_u64t_cnt()
*/
err_t
snmp_asn1_enc_u64t(struct snmp_pbuf_stream* pbuf_stream, u16_t octets_needed, const u32_t* value)
{
if (octets_needed > 9) {
return ERR_ARG;
}
if (octets_needed == 9) {
/* not enough bits in 'value' add leading 0x00 */
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, 0x00));
octets_needed--;
}
while (octets_needed > 4) {
octets_needed--;
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)(*value >> ((octets_needed-4) << 3))));
}
/* skip to low u32 */
value++;
while (octets_needed > 1) {
octets_needed--;
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)(*value >> (octets_needed << 3))));
}
/* always write at least one octet (also in case of value == 0) */
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)(*value)));
return ERR_OK;
}
/**
* Encodes s32_t integer into a pbuf chained ASN1 msg.
*
* @param pbuf_stream points to a pbuf stream
* @param octets_needed encoding length (from snmp_asn1_enc_s32t_cnt())
* @param value is the host order s32_t value to be encoded
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*
* @see snmp_asn1_enc_s32t_cnt()
*/
err_t
snmp_asn1_enc_s32t(struct snmp_pbuf_stream* pbuf_stream, u16_t octets_needed, s32_t value)
{
while (octets_needed > 1) {
octets_needed--;
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)(value >> (octets_needed << 3))));
}
/* (only) one least significant octet */
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)value));
return ERR_OK;
}
/**
* Encodes object identifier into a pbuf chained ASN1 msg.
*
* @param pbuf_stream points to a pbuf stream
* @param oid points to object identifier array
* @param oid_len object identifier array length
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) encode
*/
err_t
snmp_asn1_enc_oid(struct snmp_pbuf_stream* pbuf_stream, const u32_t *oid, u16_t oid_len)
{
if (oid_len > 1) {
/* write compressed first two sub id's */
u32_t compressed_byte = ((oid[0] * 40) + oid[1]);
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)compressed_byte));
oid_len -= 2;
oid += 2;
} else {
/* @bug: allow empty varbinds for symmetry (we must decode them for getnext), allow partial compression?? */
/* ident_len <= 1, at least we need zeroDotZero (0.0) (ident_len == 2) */
return ERR_ARG;
}
while (oid_len > 0) {
u32_t sub_id;
u8_t shift, tail;
oid_len--;
sub_id = *oid;
tail = 0;
shift = 28;
while (shift > 0) {
u8_t code;
code = (u8_t)(sub_id >> shift);
if ((code != 0) || (tail != 0)) {
tail = 1;
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, code | 0x80));
}
shift -= 7;
}
PBUF_OP_EXEC(snmp_pbuf_stream_write(pbuf_stream, (u8_t)sub_id & 0x7F));
/* proceed to next sub-identifier */
oid++;
}
return ERR_OK;
}
/**
* Returns octet count for length.
*
* @param length parameter length
* @param octets_needed points to the return value
*/
void
snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed)
{
if (length < 0x80U) {
*octets_needed = 1;
} else if (length < 0x100U) {
*octets_needed = 2;
} else {
*octets_needed = 3;
}
}
/**
* Returns octet count for an u32_t.
*
* @param value value to be encoded
* @param octets_needed points to the return value
*
* @note ASN coded integers are _always_ signed. E.g. +0xFFFF is coded
* as 0x00,0xFF,0xFF. Note the leading sign octet. A positive value
* of 0xFFFFFFFF is preceded with 0x00 and the length is 5 octets!!
*/
void
snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed)
{
if (value < 0x80UL) {
*octets_needed = 1;
} else if (value < 0x8000UL) {
*octets_needed = 2;
} else if (value < 0x800000UL) {
*octets_needed = 3;
} else if (value < 0x80000000UL) {
*octets_needed = 4;
} else {
*octets_needed = 5;
}
}
/**
* Returns octet count for an u64_t.
*
* @param value value to be encoded
* @param octets_needed points to the return value
*
* @note ASN coded integers are _always_ signed. E.g. +0xFFFF is coded
* as 0x00,0xFF,0xFF. Note the leading sign octet. A positive value
* of 0xFFFFFFFF is preceded with 0x00 and the length is 5 octets!!
*/
void
snmp_asn1_enc_u64t_cnt(const u32_t *value, u16_t *octets_needed)
{
/* check if high u32 is 0 */
if (*value == 0x00) {
/* only low u32 is important */
value++;
snmp_asn1_enc_u32t_cnt(*value, octets_needed);
} else {
/* low u32 does not matter for length determination */
snmp_asn1_enc_u32t_cnt(*value, octets_needed);
*octets_needed = *octets_needed + 4; /* add the 4 bytes of low u32 */
}
}
/**
* Returns octet count for an s32_t.
*
* @param value value to be encoded
* @param octets_needed points to the return value
*
* @note ASN coded integers are _always_ signed.
*/
void
snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed)
{
if (value < 0) {
value = ~value;
}
if (value < 0x80L) {
*octets_needed = 1;
} else if (value < 0x8000L) {
*octets_needed = 2;
} else if (value < 0x800000L) {
*octets_needed = 3;
} else {
*octets_needed = 4;
}
}
/**
* Returns octet count for an object identifier.
*
* @param oid points to object identifier array
* @param oid_len object identifier array length
* @param octets_needed points to the return value
*/
void
snmp_asn1_enc_oid_cnt(const u32_t *oid, u16_t oid_len, u16_t *octets_needed)
{
u32_t sub_id;
*octets_needed = 0;
if (oid_len > 1) {
/* compressed prefix in one octet */
(*octets_needed)++;
oid_len -= 2;
oid += 2;
}
while (oid_len > 0) {
oid_len--;
sub_id = *oid;
sub_id >>= 7;
(*octets_needed)++;
while (sub_id > 0) {
sub_id >>= 7;
(*octets_needed)++;
}
oid++;
}
}
/**
* Decodes a TLV from a pbuf stream.
*
* @param pbuf_stream points to a pbuf stream
* @param tlv returns decoded TLV
* @return ERR_OK if successful, ERR_VAL if we can't decode
*/
err_t
snmp_asn1_dec_tlv(struct snmp_pbuf_stream* pbuf_stream, struct snmp_asn1_tlv* tlv)
{
u8_t data;
/* decode type first */
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
tlv->type = data;
if ((tlv->type & SNMP_ASN1_DATATYPE_MASK) == SNMP_ASN1_DATATYPE_EXTENDED) {
/* extended format is not used by SNMP so we do not accept those values */
return ERR_VAL;
}
tlv->type_len = 1;
/* now, decode length */
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
if (data < 0x80) { /* short form */
tlv->length_len = 1;
tlv->value_len = data;
} else if (data > 0x80) { /* long form */
u8_t length_bytes = data - 0x80;
tlv->length_len = length_bytes + 1; /* this byte + defined number of length bytes following */
tlv->value_len = 0;
while (length_bytes > 0) {
/* we only support up to u16.maxvalue-1 (2 bytes) but have to accept leading zero bytes */
if (tlv->value_len > 0xFF) {
return ERR_VAL;
}
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
tlv->value_len <<= 8;
tlv->value_len |= data;
/* take care for special value used for indefinite length */
if (tlv->value_len == 0xFFFF) {
return ERR_VAL;
}
length_bytes--;
}
} else { /* data == 0x80 indefinite length form */
/* (not allowed for SNMP; RFC 1157, 3.2.2) */
return ERR_VAL;
}
return ERR_OK;
}
/**
* Decodes positive integer (counter, gauge, timeticks) into u32_t.
*
* @param pbuf_stream points to a pbuf stream
* @param len length of the coded integer field
* @param value return host order integer
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*
* @note ASN coded integers are _always_ signed. E.g. +0xFFFF is coded
* as 0x00,0xFF,0xFF. Note the leading sign octet. A positive value
* of 0xFFFFFFFF is preceded with 0x00 and the length is 5 octets!!
*/
err_t
snmp_asn1_dec_u32t(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u32_t *value)
{
u8_t data;
if ((len > 0) && (len <= 5)) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
/* expecting sign bit to be zero, only unsigned please! */
if (((len == 5) && (data == 0x00)) || ((len < 5) && ((data & 0x80) == 0))) {
*value = data;
len--;
while (len > 0) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
len--;
*value <<= 8;
*value |= data;
}
return ERR_OK;
}
}
return ERR_VAL;
}
/**
* Decodes large positive integer (counter64) into 2x u32_t.
*
* @param pbuf_stream points to a pbuf stream
* @param len length of the coded integer field
* @param value return host order integer
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*
* @note ASN coded integers are _always_ signed. E.g. +0xFFFF is coded
* as 0x00,0xFF,0xFF. Note the leading sign octet. A positive value
* of 0xFFFFFFFF is preceded with 0x00 and the length is 5 octets!!
*/
err_t
snmp_asn1_dec_u64t(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u32_t *value)
{
u8_t data;
if (len <= 4) {
/* high u32 is 0 */
*value = 0;
/* directly skip to low u32 */
value++;
}
if ((len > 0) && (len <= 9)) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
/* expecting sign bit to be zero, only unsigned please! */
if (((len == 9) && (data == 0x00)) || ((len < 9) && ((data & 0x80) == 0))) {
*value = data;
len--;
while (len > 0) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
if (len == 4) {
/* skip to low u32 */
value++;
*value = 0;
} else {
*value <<= 8;
}
*value |= data;
len--;
}
return ERR_OK;
}
}
return ERR_VAL;
}
/**
* Decodes integer into s32_t.
*
* @param pbuf_stream points to a pbuf stream
* @param len length of the coded integer field
* @param value return host order integer
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*
* @note ASN coded integers are _always_ signed!
*/
err_t
snmp_asn1_dec_s32t(struct snmp_pbuf_stream *pbuf_stream, u16_t len, s32_t *value)
{
#if BYTE_ORDER == LITTLE_ENDIAN
u8_t *lsb_ptr = (u8_t*)value;
#endif
#if BYTE_ORDER == BIG_ENDIAN
u8_t *lsb_ptr = (u8_t*)value + sizeof(s32_t) - 1;
#endif
u8_t sign;
u8_t data;
if ((len > 0) && (len < 5)) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
len--;
if (data & 0x80) {
/* negative, start from -1 */
*value = -1;
sign = 1;
*lsb_ptr &= data;
} else {
/* positive, start from 0 */
*value = 0;
sign = 0;
*lsb_ptr |= data;
}
/* OR/AND octets with value */
while (len > 0) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
len--;
#if BYTE_ORDER == LITTLE_ENDIAN
*value <<= 8;
#endif
#if BYTE_ORDER == BIG_ENDIAN
*value >>= 8;
#endif
if (sign) {
*lsb_ptr |= 255;
*lsb_ptr &= data;
} else {
*lsb_ptr |= data;
}
}
return ERR_OK;
}
return ERR_VAL;
}
/**
* Decodes object identifier from incoming message into array of u32_t.
*
* @param pbuf_stream points to a pbuf stream
* @param len length of the coded object identifier
* @param oid return decoded object identifier
* @param oid_len return decoded object identifier length
* @param oid_max_len size of oid buffer
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*/
err_t
snmp_asn1_dec_oid(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u32_t* oid, u8_t* oid_len, u8_t oid_max_len)
{
u32_t *oid_ptr;
u8_t data;
*oid_len = 0;
oid_ptr = oid;
if (len > 0) {
if (oid_max_len < 2) {
return ERR_MEM;
}
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
len--;
/* first compressed octet */
if (data == 0x2B) {
/* (most) common case 1.3 (iso.org) */
*oid_ptr = 1;
oid_ptr++;
*oid_ptr = 3;
oid_ptr++;
} else if (data < 40) {
*oid_ptr = 0;
oid_ptr++;
*oid_ptr = data;
oid_ptr++;
} else if (data < 80) {
*oid_ptr = 1;
oid_ptr++;
*oid_ptr = data - 40;
oid_ptr++;
} else {
*oid_ptr = 2;
oid_ptr++;
*oid_ptr = data - 80;
oid_ptr++;
}
*oid_len = 2;
} else {
/* accepting zero length identifiers e.g. for getnext operation. uncommon but valid */
return ERR_OK;
}
while ((len > 0) && (*oid_len < oid_max_len)) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
len--;
if ((data & 0x80) == 0x00) {
/* sub-identifier uses single octet */
*oid_ptr = data;
} else {
/* sub-identifier uses multiple octets */
u32_t sub_id = (data & ~0x80);
while ((len > 0) && ((data & 0x80) != 0)) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, &data));
len--;
sub_id = (sub_id << 7) + (data & ~0x80);
}
if ((data & 0x80) != 0) {
/* "more bytes following" bit still set at end of len */
return ERR_VAL;
}
*oid_ptr = sub_id;
}
oid_ptr++;
(*oid_len)++;
}
if (len > 0) {
/* OID to long to fit in our buffer */
return ERR_MEM;
}
return ERR_OK;
}
/**
* Decodes (copies) raw data (ip-addresses, octet strings, opaque encoding)
* from incoming message into array.
*
* @param pbuf_stream points to a pbuf stream
* @param len length of the coded raw data (zero is valid, e.g. empty string!)
* @param buf return raw bytes
* @param buf_len returns length of the raw return value
* @param buf_max_len buffer size
* @return ERR_OK if successful, ERR_ARG if we can't (or won't) decode
*/
err_t
snmp_asn1_dec_raw(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u8_t *buf, u16_t* buf_len, u16_t buf_max_len)
{
if (len > buf_max_len) {
/* not enough dst space */
return ERR_MEM;
}
*buf_len = len;
while (len > 0) {
PBUF_OP_EXEC(snmp_pbuf_stream_read(pbuf_stream, buf));
buf++;
len--;
}
return ERR_OK;
}
#endif /* LWIP_SNMP */

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@ -0,0 +1,108 @@
/**
* @file
* Abstract Syntax Notation One (ISO 8824, 8825) codec.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* Copyright (c) 2016 Elias Oenal.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Christiaan Simons <christiaan.simons@axon.tv>
* Martin Hentschel <info@cl-soft.de>
* Elias Oenal <lwip@eliasoenal.com>
*/
#ifndef LWIP_HDR_APPS_SNMP_ASN1_H
#define LWIP_HDR_APPS_SNMP_ASN1_H
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP
#include "lwip/err.h"
#include "lwip/apps/snmp_core.h"
#include "snmp_pbuf_stream.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SNMP_ASN1_TLV_INDEFINITE_LENGTH 0x80
#define SNMP_ASN1_CLASS_MASK 0xC0
#define SNMP_ASN1_CONTENTTYPE_MASK 0x20
#define SNMP_ASN1_DATATYPE_MASK 0x1F
#define SNMP_ASN1_DATATYPE_EXTENDED 0x1F /* DataType indicating that datatype is encoded in following bytes */
/* context specific (SNMP) tags (from SNMP spec. RFC1157) */
#define SNMP_ASN1_CONTEXT_PDU_GET_REQ 0
#define SNMP_ASN1_CONTEXT_PDU_GET_NEXT_REQ 1
#define SNMP_ASN1_CONTEXT_PDU_GET_RESP 2
#define SNMP_ASN1_CONTEXT_PDU_SET_REQ 3
#define SNMP_ASN1_CONTEXT_PDU_TRAP 4
#define SNMP_ASN1_CONTEXT_PDU_GET_BULK_REQ 5
#define SNMP_ASN1_CONTEXT_VARBIND_NO_SUCH_OBJECT 0
#define SNMP_ASN1_CONTEXT_VARBIND_END_OF_MIB_VIEW 2
struct snmp_asn1_tlv
{
u8_t type; /* only U8 because extended types are not specified by SNMP */
u8_t type_len; /* encoded length of 'type' field (normally 1) */
u8_t length_len; /* indicates how many bytes are required to encode the 'value_len' field */
u16_t value_len; /* encoded length of the value */
};
#define SNMP_ASN1_TLV_HDR_LENGTH(tlv) ((tlv).type_len + (tlv).length_len)
#define SNMP_ASN1_TLV_LENGTH(tlv) ((tlv).type_len + (tlv).length_len + (tlv).value_len)
#define SNMP_ASN1_SET_TLV_PARAMS(tlv, type_, length_len_, value_len_) do { (tlv).type = (type_); (tlv).type_len = 0; (tlv).length_len = (length_len_); (tlv).value_len = (value_len_); } while (0);
err_t snmp_asn1_dec_tlv(struct snmp_pbuf_stream* pbuf_stream, struct snmp_asn1_tlv* tlv);
err_t snmp_asn1_dec_u32t(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u32_t *value);
err_t snmp_asn1_dec_u64t(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u32_t *value);
err_t snmp_asn1_dec_s32t(struct snmp_pbuf_stream *pbuf_stream, u16_t len, s32_t *value);
err_t snmp_asn1_dec_oid(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u32_t* oid, u8_t* oid_len, u8_t oid_max_len);
err_t snmp_asn1_dec_raw(struct snmp_pbuf_stream *pbuf_stream, u16_t len, u8_t *buf, u16_t* buf_len, u16_t buf_max_len);
err_t snmp_ans1_enc_tlv(struct snmp_pbuf_stream* pbuf_stream, struct snmp_asn1_tlv* tlv);
void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed);
void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed);
void snmp_asn1_enc_u64t_cnt(const u32_t *value, u16_t *octets_needed);
void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed);
void snmp_asn1_enc_oid_cnt(const u32_t *oid, u16_t oid_len, u16_t *octets_needed);
err_t snmp_asn1_enc_oid(struct snmp_pbuf_stream* pbuf_stream, const u32_t *oid, u16_t oid_len);
err_t snmp_asn1_enc_s32t(struct snmp_pbuf_stream* pbuf_stream, u16_t octets_needed, s32_t value);
err_t snmp_asn1_enc_u32t(struct snmp_pbuf_stream* pbuf_stream, u16_t octets_needed, u32_t value);
err_t snmp_asn1_enc_u64t(struct snmp_pbuf_stream* pbuf_stream, u16_t octets_needed, const u32_t* value);
err_t snmp_asn1_enc_raw(struct snmp_pbuf_stream* pbuf_stream, const u8_t *raw, u16_t raw_len);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_SNMP */
#endif /* LWIP_HDR_APPS_SNMP_ASN1_H */

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/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_CORE_PRIV_H
#define LWIP_HDR_APPS_SNMP_CORE_PRIV_H
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "lwip/apps/snmp_core.h"
#include "snmp_asn1.h"
#ifdef __cplusplus
extern "C" {
#endif
/* (outdated) SNMPv1 error codes
* shall not be used by MIBS anymore, nevertheless required from core for properly answering a v1 request
*/
#define SNMP_ERR_NOSUCHNAME 2
#define SNMP_ERR_BADVALUE 3
#define SNMP_ERR_READONLY 4
/* error codes which are internal and shall not be used by MIBS
* shall not be used by MIBS anymore, nevertheless required from core for properly answering a v1 request
*/
#define SNMP_ERR_TOOBIG 1
#define SNMP_ERR_AUTHORIZATIONERROR 16
#define SNMP_ERR_NOSUCHOBJECT SNMP_VARBIND_EXCEPTION_OFFSET + SNMP_ASN1_CONTEXT_VARBIND_NO_SUCH_OBJECT
#define SNMP_ERR_ENDOFMIBVIEW SNMP_VARBIND_EXCEPTION_OFFSET + SNMP_ASN1_CONTEXT_VARBIND_END_OF_MIB_VIEW
const struct snmp_node* snmp_mib_tree_resolve_exact(const struct snmp_mib *mib, const u32_t *oid, u8_t oid_len, u8_t* oid_instance_len);
const struct snmp_node* snmp_mib_tree_resolve_next(const struct snmp_mib *mib, const u32_t *oid, u8_t oid_len, struct snmp_obj_id* oidret);
typedef u8_t (*snmp_validate_node_instance_method)(struct snmp_node_instance*, void*);
u8_t snmp_get_node_instance_from_oid(const u32_t *oid, u8_t oid_len, struct snmp_node_instance* node_instance);
u8_t snmp_get_next_node_instance_from_oid(const u32_t *oid, u8_t oid_len, snmp_validate_node_instance_method validate_node_instance_method, void* validate_node_instance_arg, struct snmp_obj_id* node_oid, struct snmp_node_instance* node_instance);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_SNMP */
#endif /* LWIP_HDR_APPS_SNMP_CORE_PRIV_H */

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/**
* @file
* Management Information Base II (RFC1213) objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
/**
* @defgroup snmp_mib2 MIB2
* @ingroup snmp
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP && SNMP_LWIP_MIB2 /* don't build if not configured for use in lwipopts.h */
#if !LWIP_STATS
#error LWIP_SNMP MIB2 needs LWIP_STATS (for MIB2)
#endif
#if !MIB2_STATS
#error LWIP_SNMP MIB2 needs MIB2_STATS (for MIB2)
#endif
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_scalar.h"
#if SNMP_USE_NETCONN
#include "lwip/tcpip.h"
#include "lwip/priv/tcpip_priv.h"
void
snmp_mib2_lwip_synchronizer(snmp_threadsync_called_fn fn, void* arg)
{
#if LWIP_TCPIP_CORE_LOCKING
LOCK_TCPIP_CORE();
fn(arg);
UNLOCK_TCPIP_CORE();
#else
tcpip_callback(fn, arg);
#endif
}
struct snmp_threadsync_instance snmp_mib2_lwip_locks;
#endif
/* dot3 and EtherLike MIB not planned. (transmission .1.3.6.1.2.1.10) */
/* historical (some say hysterical). (cmot .1.3.6.1.2.1.9) */
/* lwIP has no EGP, thus may not implement it. (egp .1.3.6.1.2.1.8) */
/* --- mib-2 .1.3.6.1.2.1 ----------------------------------------------------- */
extern const struct snmp_scalar_array_node snmp_mib2_snmp_root;
extern const struct snmp_tree_node snmp_mib2_udp_root;
extern const struct snmp_tree_node snmp_mib2_tcp_root;
extern const struct snmp_scalar_array_node snmp_mib2_icmp_root;
extern const struct snmp_tree_node snmp_mib2_interface_root;
extern const struct snmp_scalar_array_node snmp_mib2_system_node;
extern const struct snmp_tree_node snmp_mib2_at_root;
extern const struct snmp_tree_node snmp_mib2_ip_root;
static const struct snmp_node* const mib2_nodes[] = {
&snmp_mib2_system_node.node.node,
&snmp_mib2_interface_root.node,
#if LWIP_ARP && LWIP_IPV4
&snmp_mib2_at_root.node,
#endif /* LWIP_ARP && LWIP_IPV4 */
#if LWIP_IPV4
&snmp_mib2_ip_root.node,
#endif /* LWIP_IPV4 */
#if LWIP_ICMP
&snmp_mib2_icmp_root.node.node,
#endif /* LWIP_ICMP */
#if LWIP_TCP
&snmp_mib2_tcp_root.node,
#endif /* LWIP_TCP */
#if LWIP_UDP
&snmp_mib2_udp_root.node,
#endif /* LWIP_UDP */
&snmp_mib2_snmp_root.node.node
};
static const struct snmp_tree_node mib2_root = SNMP_CREATE_TREE_NODE(1, mib2_nodes);
static const u32_t mib2_base_oid_arr[] = { 1,3,6,1,2,1 };
const struct snmp_mib mib2 = SNMP_MIB_CREATE(mib2_base_oid_arr, &mib2_root.node);
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */

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/**
* @file
* Management Information Base II (RFC1213) ICMP objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_table.h"
#include "lwip/apps/snmp_scalar.h"
#include "lwip/icmp.h"
#include "lwip/stats.h"
#if LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_ICMP
#if SNMP_USE_NETCONN
#define SYNC_NODE_NAME(node_name) node_name ## _synced
#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
#else
#define SYNC_NODE_NAME(node_name) node_name
#define CREATE_LWIP_SYNC_NODE(oid, node_name)
#endif
/* --- icmp .1.3.6.1.2.1.5 ----------------------------------------------------- */
static s16_t
icmp_get_value(const struct snmp_scalar_array_node_def *node, void *value)
{
u32_t *uint_ptr = (u32_t*)value;
switch (node->oid) {
case 1: /* icmpInMsgs */
*uint_ptr = STATS_GET(mib2.icmpinmsgs);
return sizeof(*uint_ptr);
case 2: /* icmpInErrors */
*uint_ptr = STATS_GET(mib2.icmpinerrors);
return sizeof(*uint_ptr);
case 3: /* icmpInDestUnreachs */
*uint_ptr = STATS_GET(mib2.icmpindestunreachs);
return sizeof(*uint_ptr);
case 4: /* icmpInTimeExcds */
*uint_ptr = STATS_GET(mib2.icmpintimeexcds);
return sizeof(*uint_ptr);
case 5: /* icmpInParmProbs */
*uint_ptr = STATS_GET(mib2.icmpinparmprobs);
return sizeof(*uint_ptr);
case 6: /* icmpInSrcQuenchs */
*uint_ptr = STATS_GET(mib2.icmpinsrcquenchs);
return sizeof(*uint_ptr);
case 7: /* icmpInRedirects */
*uint_ptr = STATS_GET(mib2.icmpinredirects);
return sizeof(*uint_ptr);
case 8: /* icmpInEchos */
*uint_ptr = STATS_GET(mib2.icmpinechos);
return sizeof(*uint_ptr);
case 9: /* icmpInEchoReps */
*uint_ptr = STATS_GET(mib2.icmpinechoreps);
return sizeof(*uint_ptr);
case 10: /* icmpInTimestamps */
*uint_ptr = STATS_GET(mib2.icmpintimestamps);
return sizeof(*uint_ptr);
case 11: /* icmpInTimestampReps */
*uint_ptr = STATS_GET(mib2.icmpintimestampreps);
return sizeof(*uint_ptr);
case 12: /* icmpInAddrMasks */
*uint_ptr = STATS_GET(mib2.icmpinaddrmasks);
return sizeof(*uint_ptr);
case 13: /* icmpInAddrMaskReps */
*uint_ptr = STATS_GET(mib2.icmpinaddrmaskreps);
return sizeof(*uint_ptr);
case 14: /* icmpOutMsgs */
*uint_ptr = STATS_GET(mib2.icmpoutmsgs);
return sizeof(*uint_ptr);
case 15: /* icmpOutErrors */
*uint_ptr = STATS_GET(mib2.icmpouterrors);
return sizeof(*uint_ptr);
case 16: /* icmpOutDestUnreachs */
*uint_ptr = STATS_GET(mib2.icmpoutdestunreachs);
return sizeof(*uint_ptr);
case 17: /* icmpOutTimeExcds */
*uint_ptr = STATS_GET(mib2.icmpouttimeexcds);
return sizeof(*uint_ptr);
case 18: /* icmpOutParmProbs: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
case 19: /* icmpOutSrcQuenchs: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
case 20: /* icmpOutRedirects: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
case 21: /* icmpOutEchos */
*uint_ptr = STATS_GET(mib2.icmpoutechos);
return sizeof(*uint_ptr);
case 22: /* icmpOutEchoReps */
*uint_ptr = STATS_GET(mib2.icmpoutechoreps);
return sizeof(*uint_ptr);
case 23: /* icmpOutTimestamps: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
case 24: /* icmpOutTimestampReps: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
case 25: /* icmpOutAddrMasks: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
case 26: /* icmpOutAddrMaskReps: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("icmp_get_value(): unknown id: %"S32_F"\n", node->oid));
break;
}
return 0;
}
static const struct snmp_scalar_array_node_def icmp_nodes[] = {
{ 1, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 2, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 3, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 4, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 5, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 6, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 7, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 8, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{ 9, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{21, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{22, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{23, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{24, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{25, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY},
{26, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}
};
const struct snmp_scalar_array_node snmp_mib2_icmp_root = SNMP_SCALAR_CREATE_ARRAY_NODE(5, icmp_nodes, icmp_get_value, NULL, NULL);
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_ICMP */

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/**
* @file
* Management Information Base II (RFC1213) INTERFACES objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_table.h"
#include "lwip/apps/snmp_scalar.h"
#include "lwip/netif.h"
#include "lwip/stats.h"
#include <string.h>
#if LWIP_SNMP && SNMP_LWIP_MIB2
#if SNMP_USE_NETCONN
#define SYNC_NODE_NAME(node_name) node_name ## _synced
#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
#else
#define SYNC_NODE_NAME(node_name) node_name
#define CREATE_LWIP_SYNC_NODE(oid, node_name)
#endif
/* --- interfaces .1.3.6.1.2.1.2 ----------------------------------------------------- */
static s16_t
interfaces_get_value(struct snmp_node_instance* instance, void* value)
{
if (instance->node->oid == 1) {
s32_t *sint_ptr = (s32_t*)value;
s32_t num_netifs = 0;
struct netif *netif = netif_list;
while (netif != NULL) {
num_netifs++;
netif = netif->next;
}
*sint_ptr = num_netifs;
return sizeof(*sint_ptr);
}
return 0;
}
/* list of allowed value ranges for incoming OID */
static const struct snmp_oid_range interfaces_Table_oid_ranges[] = {
{ 1, 0xff } /* netif->num is u8_t */
};
static const u8_t iftable_ifOutQLen = 0;
static const u8_t iftable_ifOperStatus_up = 1;
static const u8_t iftable_ifOperStatus_down = 2;
static const u8_t iftable_ifAdminStatus_up = 1;
static const u8_t iftable_ifAdminStatus_lowerLayerDown = 7;
static const u8_t iftable_ifAdminStatus_down = 2;
static snmp_err_t
interfaces_Table_get_cell_instance(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, struct snmp_node_instance* cell_instance)
{
u32_t ifIndex;
struct netif *netif;
LWIP_UNUSED_ARG(column);
/* check if incoming OID length and if values are in plausible range */
if (!snmp_oid_in_range(row_oid, row_oid_len, interfaces_Table_oid_ranges, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges))) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* get netif index from incoming OID */
ifIndex = row_oid[0];
/* find netif with index */
netif = netif_list;
while (netif != NULL) {
if (netif_to_num(netif) == ifIndex) {
/* store netif pointer for subsequent operations (get/test/set) */
cell_instance->reference.ptr = netif;
return SNMP_ERR_NOERROR;
}
netif = netif->next;
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
interfaces_Table_get_next_cell_instance(const u32_t* column, struct snmp_obj_id* row_oid, struct snmp_node_instance* cell_instance)
{
struct netif *netif;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(interfaces_Table_oid_ranges)];
LWIP_UNUSED_ARG(column);
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges));
/* iterate over all possible OIDs to find the next one */
netif = netif_list;
while (netif != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(interfaces_Table_oid_ranges)];
test_oid[0] = netif_to_num(netif);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(interfaces_Table_oid_ranges), netif);
netif = netif->next;
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* store netif pointer for subsequent operations (get/test/set) */
cell_instance->reference.ptr = /* (struct netif*) */state.reference;
return SNMP_ERR_NOERROR;
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static s16_t
interfaces_Table_get_value(struct snmp_node_instance* instance, void* value)
{
struct netif *netif = (struct netif*)instance->reference.ptr;
u32_t* value_u32 = (u32_t*)value;
s32_t* value_s32 = (s32_t*)value;
u16_t value_len;
switch (SNMP_TABLE_GET_COLUMN_FROM_OID(instance->instance_oid.id))
{
case 1: /* ifIndex */
*value_s32 = netif_to_num(netif);
value_len = sizeof(*value_s32);
break;
case 2: /* ifDescr */
value_len = sizeof(netif->name);
MEMCPY(value, netif->name, value_len);
break;
case 3: /* ifType */
*value_s32 = netif->link_type;
value_len = sizeof(*value_s32);
break;
case 4: /* ifMtu */
*value_s32 = netif->mtu;
value_len = sizeof(*value_s32);
break;
case 5: /* ifSpeed */
*value_u32 = netif->link_speed;
value_len = sizeof(*value_u32);
break;
case 6: /* ifPhysAddress */
value_len = sizeof(netif->hwaddr);
MEMCPY(value, &netif->hwaddr, value_len);
break;
case 7: /* ifAdminStatus */
if (netif_is_up(netif)) {
*value_s32 = iftable_ifOperStatus_up;
} else {
*value_s32 = iftable_ifOperStatus_down;
}
value_len = sizeof(*value_s32);
break;
case 8: /* ifOperStatus */
if (netif_is_up(netif)) {
if (netif_is_link_up(netif)) {
*value_s32 = iftable_ifAdminStatus_up;
} else {
*value_s32 = iftable_ifAdminStatus_lowerLayerDown;
}
} else {
*value_s32 = iftable_ifAdminStatus_down;
}
value_len = sizeof(*value_s32);
break;
case 9: /* ifLastChange */
*value_u32 = netif->ts;
value_len = sizeof(*value_u32);
break;
case 10: /* ifInOctets */
*value_u32 = netif->mib2_counters.ifinoctets;
value_len = sizeof(*value_u32);
break;
case 11: /* ifInUcastPkts */
*value_u32 = netif->mib2_counters.ifinucastpkts;
value_len = sizeof(*value_u32);
break;
case 12: /* ifInNUcastPkts */
*value_u32 = netif->mib2_counters.ifinnucastpkts;
value_len = sizeof(*value_u32);
break;
case 13: /* ifInDiscards */
*value_u32 = netif->mib2_counters.ifindiscards;
value_len = sizeof(*value_u32);
break;
case 14: /* ifInErrors */
*value_u32 = netif->mib2_counters.ifinerrors;
value_len = sizeof(*value_u32);
break;
case 15: /* ifInUnkownProtos */
*value_u32 = netif->mib2_counters.ifinunknownprotos;
value_len = sizeof(*value_u32);
break;
case 16: /* ifOutOctets */
*value_u32 = netif->mib2_counters.ifoutoctets;
value_len = sizeof(*value_u32);
break;
case 17: /* ifOutUcastPkts */
*value_u32 = netif->mib2_counters.ifoutucastpkts;
value_len = sizeof(*value_u32);
break;
case 18: /* ifOutNUcastPkts */
*value_u32 = netif->mib2_counters.ifoutnucastpkts;
value_len = sizeof(*value_u32);
break;
case 19: /* ifOutDiscarts */
*value_u32 = netif->mib2_counters.ifoutdiscards;
value_len = sizeof(*value_u32);
break;
case 20: /* ifOutErrors */
*value_u32 = netif->mib2_counters.ifouterrors;
value_len = sizeof(*value_u32);
break;
case 21: /* ifOutQLen */
*value_u32 = iftable_ifOutQLen;
value_len = sizeof(*value_u32);
break;
/** @note returning zeroDotZero (0.0) no media specific MIB support */
case 22: /* ifSpecific */
value_len = snmp_zero_dot_zero.len * sizeof(u32_t);
MEMCPY(value, snmp_zero_dot_zero.id, value_len);
break;
default:
return 0;
}
return value_len;
}
#if !SNMP_SAFE_REQUESTS
static snmp_err_t
interfaces_Table_set_test(struct snmp_node_instance* instance, u16_t len, void *value)
{
s32_t *sint_ptr = (s32_t*)value;
/* stack should never call this method for another column,
because all other columns are set to readonly */
LWIP_ASSERT("Invalid column", (SNMP_TABLE_GET_COLUMN_FROM_OID(instance->instance_oid.id) == 7));
LWIP_UNUSED_ARG(len);
if (*sint_ptr == 1 || *sint_ptr == 2) {
return SNMP_ERR_NOERROR;
}
return SNMP_ERR_WRONGVALUE;
}
static snmp_err_t
interfaces_Table_set_value(struct snmp_node_instance* instance, u16_t len, void *value)
{
struct netif *netif = (struct netif*)instance->reference.ptr;
s32_t *sint_ptr = (s32_t*)value;
/* stack should never call this method for another column,
because all other columns are set to readonly */
LWIP_ASSERT("Invalid column", (SNMP_TABLE_GET_COLUMN_FROM_OID(instance->instance_oid.id) == 7));
LWIP_UNUSED_ARG(len);
if (*sint_ptr == 1) {
netif_set_up(netif);
} else if (*sint_ptr == 2) {
netif_set_down(netif);
}
return SNMP_ERR_NOERROR;
}
#endif /* SNMP_SAFE_REQUESTS */
static const struct snmp_scalar_node interfaces_Number = SNMP_SCALAR_CREATE_NODE_READONLY(1, SNMP_ASN1_TYPE_INTEGER, interfaces_get_value);
static const struct snmp_table_col_def interfaces_Table_columns[] = {
{ 1, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifIndex */
{ 2, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifDescr */
{ 3, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifType */
{ 4, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifMtu */
{ 5, SNMP_ASN1_TYPE_GAUGE, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifSpeed */
{ 6, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifPhysAddress */
#if !SNMP_SAFE_REQUESTS
{ 7, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_WRITE }, /* ifAdminStatus */
#else
{ 7, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifAdminStatus */
#endif
{ 8, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOperStatus */
{ 9, SNMP_ASN1_TYPE_TIMETICKS, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifLastChange */
{ 10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInOctets */
{ 11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInUcastPkts */
{ 12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInNUcastPkts */
{ 13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInDiscarts */
{ 14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInErrors */
{ 15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifInUnkownProtos */
{ 16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutOctets */
{ 17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutUcastPkts */
{ 18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutNUcastPkts */
{ 19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutDiscarts */
{ 20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutErrors */
{ 21, SNMP_ASN1_TYPE_GAUGE, SNMP_NODE_INSTANCE_READ_ONLY }, /* ifOutQLen */
{ 22, SNMP_ASN1_TYPE_OBJECT_ID, SNMP_NODE_INSTANCE_READ_ONLY } /* ifSpecific */
};
#if !SNMP_SAFE_REQUESTS
static const struct snmp_table_node interfaces_Table = SNMP_TABLE_CREATE(
2, interfaces_Table_columns,
interfaces_Table_get_cell_instance, interfaces_Table_get_next_cell_instance,
interfaces_Table_get_value, interfaces_Table_set_test, interfaces_Table_set_value);
#else
static const struct snmp_table_node interfaces_Table = SNMP_TABLE_CREATE(
2, interfaces_Table_columns,
interfaces_Table_get_cell_instance, interfaces_Table_get_next_cell_instance,
interfaces_Table_get_value, NULL, NULL);
#endif
/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
CREATE_LWIP_SYNC_NODE(1, interfaces_Number)
CREATE_LWIP_SYNC_NODE(2, interfaces_Table)
static const struct snmp_node* const interface_nodes[] = {
&SYNC_NODE_NAME(interfaces_Number).node.node,
&SYNC_NODE_NAME(interfaces_Table).node.node
};
const struct snmp_tree_node snmp_mib2_interface_root = SNMP_CREATE_TREE_NODE(2, interface_nodes);
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */

743
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/snmp/snmp_mib2_ip.c Normal file
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@ -0,0 +1,743 @@
/**
* @file
* Management Information Base II (RFC1213) IP objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_table.h"
#include "lwip/apps/snmp_scalar.h"
#include "lwip/stats.h"
#include "lwip/netif.h"
#include "lwip/ip.h"
#include "lwip/etharp.h"
#if LWIP_SNMP && SNMP_LWIP_MIB2
#if SNMP_USE_NETCONN
#define SYNC_NODE_NAME(node_name) node_name ## _synced
#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
#else
#define SYNC_NODE_NAME(node_name) node_name
#define CREATE_LWIP_SYNC_NODE(oid, node_name)
#endif
#if LWIP_IPV4
/* --- ip .1.3.6.1.2.1.4 ----------------------------------------------------- */
static s16_t
ip_get_value(struct snmp_node_instance* instance, void* value)
{
s32_t* sint_ptr = (s32_t*)value;
u32_t* uint_ptr = (u32_t*)value;
switch (instance->node->oid) {
case 1: /* ipForwarding */
#if IP_FORWARD
/* forwarding */
*sint_ptr = 1;
#else
/* not-forwarding */
*sint_ptr = 2;
#endif
return sizeof(*sint_ptr);
case 2: /* ipDefaultTTL */
*sint_ptr = IP_DEFAULT_TTL;
return sizeof(*sint_ptr);
case 3: /* ipInReceives */
*uint_ptr = STATS_GET(mib2.ipinreceives);
return sizeof(*uint_ptr);
case 4: /* ipInHdrErrors */
*uint_ptr = STATS_GET(mib2.ipinhdrerrors);
return sizeof(*uint_ptr);
case 5: /* ipInAddrErrors */
*uint_ptr = STATS_GET(mib2.ipinaddrerrors);
return sizeof(*uint_ptr);
case 6: /* ipForwDatagrams */
*uint_ptr = STATS_GET(mib2.ipforwdatagrams);
return sizeof(*uint_ptr);
case 7: /* ipInUnknownProtos */
*uint_ptr = STATS_GET(mib2.ipinunknownprotos);
return sizeof(*uint_ptr);
case 8: /* ipInDiscards */
*uint_ptr = STATS_GET(mib2.ipindiscards);
return sizeof(*uint_ptr);
case 9: /* ipInDelivers */
*uint_ptr = STATS_GET(mib2.ipindelivers);
return sizeof(*uint_ptr);
case 10: /* ipOutRequests */
*uint_ptr = STATS_GET(mib2.ipoutrequests);
return sizeof(*uint_ptr);
case 11: /* ipOutDiscards */
*uint_ptr = STATS_GET(mib2.ipoutdiscards);
return sizeof(*uint_ptr);
case 12: /* ipOutNoRoutes */
*uint_ptr = STATS_GET(mib2.ipoutnoroutes);
return sizeof(*uint_ptr);
case 13: /* ipReasmTimeout */
#if IP_REASSEMBLY
*sint_ptr = IP_REASS_MAXAGE;
#else
*sint_ptr = 0;
#endif
return sizeof(*sint_ptr);
case 14: /* ipReasmReqds */
*uint_ptr = STATS_GET(mib2.ipreasmreqds);
return sizeof(*uint_ptr);
case 15: /* ipReasmOKs */
*uint_ptr = STATS_GET(mib2.ipreasmoks);
return sizeof(*uint_ptr);
case 16: /* ipReasmFails */
*uint_ptr = STATS_GET(mib2.ipreasmfails);
return sizeof(*uint_ptr);
case 17: /* ipFragOKs */
*uint_ptr = STATS_GET(mib2.ipfragoks);
return sizeof(*uint_ptr);
case 18: /* ipFragFails */
*uint_ptr = STATS_GET(mib2.ipfragfails);
return sizeof(*uint_ptr);
case 19: /* ipFragCreates */
*uint_ptr = STATS_GET(mib2.ipfragcreates);
return sizeof(*uint_ptr);
case 23: /* ipRoutingDiscards: not supported -> always 0 */
*uint_ptr = 0;
return sizeof(*uint_ptr);
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_get_value(): unknown id: %"S32_F"\n", instance->node->oid));
break;
}
return 0;
}
/**
* Test ip object value before setting.
*
* @param instance node instance
* @param len return value space (in bytes)
* @param value points to (varbind) space to copy value from.
*
* @note we allow set if the value matches the hardwired value,
* otherwise return badvalue.
*/
static snmp_err_t
ip_set_test(struct snmp_node_instance* instance, u16_t len, void *value)
{
snmp_err_t ret = SNMP_ERR_WRONGVALUE;
s32_t *sint_ptr = (s32_t*)value;
LWIP_UNUSED_ARG(len);
switch (instance->node->oid) {
case 1: /* ipForwarding */
#if IP_FORWARD
/* forwarding */
if (*sint_ptr == 1)
#else
/* not-forwarding */
if (*sint_ptr == 2)
#endif
{
ret = SNMP_ERR_NOERROR;
}
break;
case 2: /* ipDefaultTTL */
if (*sint_ptr == IP_DEFAULT_TTL) {
ret = SNMP_ERR_NOERROR;
}
break;
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("ip_set_test(): unknown id: %"S32_F"\n", instance->node->oid));
break;
}
return ret;
}
static snmp_err_t
ip_set_value(struct snmp_node_instance* instance, u16_t len, void *value)
{
LWIP_UNUSED_ARG(instance);
LWIP_UNUSED_ARG(len);
LWIP_UNUSED_ARG(value);
/* nothing to do here because in set_test we only accept values being the same as our own stored value -> no need to store anything */
return SNMP_ERR_NOERROR;
}
/* --- ipAddrTable --- */
/* list of allowed value ranges for incoming OID */
static const struct snmp_oid_range ip_AddrTable_oid_ranges[] = {
{ 0, 0xff }, /* IP A */
{ 0, 0xff }, /* IP B */
{ 0, 0xff }, /* IP C */
{ 0, 0xff } /* IP D */
};
static snmp_err_t
ip_AddrTable_get_cell_value_core(struct netif *netif, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
{
LWIP_UNUSED_ARG(value_len);
switch (*column) {
case 1: /* ipAdEntAddr */
value->u32 = netif_ip4_addr(netif)->addr;
break;
case 2: /* ipAdEntIfIndex */
value->u32 = netif_to_num(netif);
break;
case 3: /* ipAdEntNetMask */
value->u32 = netif_ip4_netmask(netif)->addr;
break;
case 4: /* ipAdEntBcastAddr */
/* lwIP oddity, there's no broadcast
address in the netif we can rely on */
value->u32 = IPADDR_BROADCAST & 1;
break;
case 5: /* ipAdEntReasmMaxSize */
#if IP_REASSEMBLY
/* @todo The theoretical maximum is IP_REASS_MAX_PBUFS * size of the pbufs,
* but only if receiving one fragmented packet at a time.
* The current solution is to calculate for 2 simultaneous packets...
*/
value->u32 = (IP_HLEN + ((IP_REASS_MAX_PBUFS/2) *
(PBUF_POOL_BUFSIZE - PBUF_LINK_ENCAPSULATION_HLEN - PBUF_LINK_HLEN - IP_HLEN)));
#else
/** @todo returning MTU would be a bad thing and
returning a wild guess like '576' isn't good either */
value->u32 = 0;
#endif
break;
default:
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
ip_AddrTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
ip4_addr_t ip;
struct netif *netif;
/* check if incoming OID length and if values are in plausible range */
if (!snmp_oid_in_range(row_oid, row_oid_len, ip_AddrTable_oid_ranges, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges))) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* get IP from incoming OID */
snmp_oid_to_ip4(&row_oid[0], &ip); /* we know it succeeds because of oid_in_range check above */
/* find netif with requested ip */
netif = netif_list;
while (netif != NULL) {
if (ip4_addr_cmp(&ip, netif_ip4_addr(netif))) {
/* fill in object properties */
return ip_AddrTable_get_cell_value_core(netif, column, value, value_len);
}
netif = netif->next;
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
ip_AddrTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct netif *netif;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges));
/* iterate over all possible OIDs to find the next one */
netif = netif_list;
while (netif != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges)];
snmp_ip4_to_oid(netif_ip4_addr(netif), &test_oid[0]);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_AddrTable_oid_ranges), netif);
netif = netif->next;
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return ip_AddrTable_get_cell_value_core((struct netif*)state.reference, column, value, value_len);
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
/* --- ipRouteTable --- */
/* list of allowed value ranges for incoming OID */
static const struct snmp_oid_range ip_RouteTable_oid_ranges[] = {
{ 0, 0xff }, /* IP A */
{ 0, 0xff }, /* IP B */
{ 0, 0xff }, /* IP C */
{ 0, 0xff }, /* IP D */
};
static snmp_err_t
ip_RouteTable_get_cell_value_core(struct netif *netif, u8_t default_route, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
{
switch (*column) {
case 1: /* ipRouteDest */
if (default_route) {
/* default rte has 0.0.0.0 dest */
value->u32 = IP4_ADDR_ANY4->addr;
} else {
/* netifs have netaddress dest */
ip4_addr_t tmp;
ip4_addr_get_network(&tmp, netif_ip4_addr(netif), netif_ip4_netmask(netif));
value->u32 = tmp.addr;
}
break;
case 2: /* ipRouteIfIndex */
value->u32 = netif_to_num(netif);
break;
case 3: /* ipRouteMetric1 */
if (default_route) {
value->s32 = 1; /* default */
} else {
value->s32 = 0; /* normal */
}
break;
case 4: /* ipRouteMetric2 */
case 5: /* ipRouteMetric3 */
case 6: /* ipRouteMetric4 */
value->s32 = -1; /* none */
break;
case 7: /* ipRouteNextHop */
if (default_route) {
/* default rte: gateway */
value->u32 = netif_ip4_gw(netif)->addr;
} else {
/* other rtes: netif ip_addr */
value->u32 = netif_ip4_addr(netif)->addr;
}
break;
case 8: /* ipRouteType */
if (default_route) {
/* default rte is indirect */
value->u32 = 4; /* indirect */
} else {
/* other rtes are direct */
value->u32 = 3; /* direct */
}
break;
case 9: /* ipRouteProto */
/* locally defined routes */
value->u32 = 2; /* local */
break;
case 10: /* ipRouteAge */
/* @todo (sysuptime - timestamp last change) / 100 */
value->u32 = 0;
break;
case 11: /* ipRouteMask */
if (default_route) {
/* default rte use 0.0.0.0 mask */
value->u32 = IP4_ADDR_ANY4->addr;
} else {
/* other rtes use netmask */
value->u32 = netif_ip4_netmask(netif)->addr;
}
break;
case 12: /* ipRouteMetric5 */
value->s32 = -1; /* none */
break;
case 13: /* ipRouteInfo */
value->const_ptr = snmp_zero_dot_zero.id;
*value_len = snmp_zero_dot_zero.len * sizeof(u32_t);
break;
default:
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
ip_RouteTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
ip4_addr_t test_ip;
struct netif *netif;
/* check if incoming OID length and if values are in plausible range */
if (!snmp_oid_in_range(row_oid, row_oid_len, ip_RouteTable_oid_ranges, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges))) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* get IP and port from incoming OID */
snmp_oid_to_ip4(&row_oid[0], &test_ip); /* we know it succeeds because of oid_in_range check above */
/* default route is on default netif */
if (ip4_addr_isany_val(test_ip) && (netif_default != NULL)) {
/* fill in object properties */
return ip_RouteTable_get_cell_value_core(netif_default, 1, column, value, value_len);
}
/* find netif with requested route */
netif = netif_list;
while (netif != NULL) {
ip4_addr_t dst;
ip4_addr_get_network(&dst, netif_ip4_addr(netif), netif_ip4_netmask(netif));
if (ip4_addr_cmp(&dst, &test_ip)) {
/* fill in object properties */
return ip_RouteTable_get_cell_value_core(netif, 0, column, value, value_len);
}
netif = netif->next;
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
ip_RouteTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct netif *netif;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges)];
u32_t test_oid[LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges));
/* check default route */
if (netif_default != NULL) {
snmp_ip4_to_oid(IP4_ADDR_ANY4, &test_oid[0]);
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges), netif_default);
}
/* iterate over all possible OIDs to find the next one */
netif = netif_list;
while (netif != NULL) {
ip4_addr_t dst;
ip4_addr_get_network(&dst, netif_ip4_addr(netif), netif_ip4_netmask(netif));
/* check generated OID: is it a candidate for the next one? */
if (!ip4_addr_isany_val(dst)) {
snmp_ip4_to_oid(&dst, &test_oid[0]);
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_RouteTable_oid_ranges), netif);
}
netif = netif->next;
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
ip4_addr_t dst;
snmp_oid_to_ip4(&result_temp[0], &dst);
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return ip_RouteTable_get_cell_value_core((struct netif*)state.reference, ip4_addr_isany_val(dst), column, value, value_len);
} else {
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
}
#if LWIP_ARP && LWIP_IPV4
/* --- ipNetToMediaTable --- */
/* list of allowed value ranges for incoming OID */
static const struct snmp_oid_range ip_NetToMediaTable_oid_ranges[] = {
{ 1, 0xff }, /* IfIndex */
{ 0, 0xff }, /* IP A */
{ 0, 0xff }, /* IP B */
{ 0, 0xff }, /* IP C */
{ 0, 0xff } /* IP D */
};
static snmp_err_t
ip_NetToMediaTable_get_cell_value_core(u8_t arp_table_index, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
{
ip4_addr_t *ip;
struct netif *netif;
struct eth_addr *ethaddr;
etharp_get_entry(arp_table_index, &ip, &netif, &ethaddr);
/* value */
switch (*column) {
case 1: /* atIfIndex / ipNetToMediaIfIndex */
value->u32 = netif_to_num(netif);
break;
case 2: /* atPhysAddress / ipNetToMediaPhysAddress */
value->ptr = ethaddr;
*value_len = sizeof(*ethaddr);
break;
case 3: /* atNetAddress / ipNetToMediaNetAddress */
value->u32 = ip->addr;
break;
case 4: /* ipNetToMediaType */
value->u32 = 3; /* dynamic*/
break;
default:
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
ip_NetToMediaTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
ip4_addr_t ip_in;
u8_t netif_index;
u8_t i;
/* check if incoming OID length and if values are in plausible range */
if (!snmp_oid_in_range(row_oid, row_oid_len, ip_NetToMediaTable_oid_ranges, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges))) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* get IP from incoming OID */
netif_index = (u8_t)row_oid[0];
snmp_oid_to_ip4(&row_oid[1], &ip_in); /* we know it succeeds because of oid_in_range check above */
/* find requested entry */
for (i=0; i<ARP_TABLE_SIZE; i++) {
ip4_addr_t *ip;
struct netif *netif;
struct eth_addr *ethaddr;
if (etharp_get_entry(i, &ip, &netif, &ethaddr)) {
if ((netif_index == netif_to_num(netif)) && ip4_addr_cmp(&ip_in, ip)) {
/* fill in object properties */
return ip_NetToMediaTable_get_cell_value_core(i, column, value, value_len);
}
}
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
ip_NetToMediaTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
u8_t i;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges));
/* iterate over all possible OIDs to find the next one */
for (i=0; i<ARP_TABLE_SIZE; i++) {
ip4_addr_t *ip;
struct netif *netif;
struct eth_addr *ethaddr;
if (etharp_get_entry(i, &ip, &netif, &ethaddr)) {
u32_t test_oid[LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges)];
test_oid[0] = netif_to_num(netif);
snmp_ip4_to_oid(ip, &test_oid[1]);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(ip_NetToMediaTable_oid_ranges), LWIP_PTR_NUMERIC_CAST(void*, i));
}
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return ip_NetToMediaTable_get_cell_value_core(LWIP_PTR_NUMERIC_CAST(u8_t, state.reference), column, value, value_len);
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
#endif /* LWIP_ARP && LWIP_IPV4 */
static const struct snmp_scalar_node ip_Forwarding = SNMP_SCALAR_CREATE_NODE(1, SNMP_NODE_INSTANCE_READ_WRITE, SNMP_ASN1_TYPE_INTEGER, ip_get_value, ip_set_test, ip_set_value);
static const struct snmp_scalar_node ip_DefaultTTL = SNMP_SCALAR_CREATE_NODE(2, SNMP_NODE_INSTANCE_READ_WRITE, SNMP_ASN1_TYPE_INTEGER, ip_get_value, ip_set_test, ip_set_value);
static const struct snmp_scalar_node ip_InReceives = SNMP_SCALAR_CREATE_NODE_READONLY(3, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_InHdrErrors = SNMP_SCALAR_CREATE_NODE_READONLY(4, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_InAddrErrors = SNMP_SCALAR_CREATE_NODE_READONLY(5, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_ForwDatagrams = SNMP_SCALAR_CREATE_NODE_READONLY(6, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_InUnknownProtos = SNMP_SCALAR_CREATE_NODE_READONLY(7, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_InDiscards = SNMP_SCALAR_CREATE_NODE_READONLY(8, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_InDelivers = SNMP_SCALAR_CREATE_NODE_READONLY(9, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_OutRequests = SNMP_SCALAR_CREATE_NODE_READONLY(10, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_OutDiscards = SNMP_SCALAR_CREATE_NODE_READONLY(11, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_OutNoRoutes = SNMP_SCALAR_CREATE_NODE_READONLY(12, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_ReasmTimeout = SNMP_SCALAR_CREATE_NODE_READONLY(13, SNMP_ASN1_TYPE_INTEGER, ip_get_value);
static const struct snmp_scalar_node ip_ReasmReqds = SNMP_SCALAR_CREATE_NODE_READONLY(14, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_ReasmOKs = SNMP_SCALAR_CREATE_NODE_READONLY(15, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_ReasmFails = SNMP_SCALAR_CREATE_NODE_READONLY(16, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_FragOKs = SNMP_SCALAR_CREATE_NODE_READONLY(17, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_FragFails = SNMP_SCALAR_CREATE_NODE_READONLY(18, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_FragCreates = SNMP_SCALAR_CREATE_NODE_READONLY(19, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_scalar_node ip_RoutingDiscards = SNMP_SCALAR_CREATE_NODE_READONLY(23, SNMP_ASN1_TYPE_COUNTER, ip_get_value);
static const struct snmp_table_simple_col_def ip_AddrTable_columns[] = {
{ 1, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntAddr */
{ 2, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntIfIndex */
{ 3, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntNetMask */
{ 4, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipAdEntBcastAddr */
{ 5, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 } /* ipAdEntReasmMaxSize */
};
static const struct snmp_table_simple_node ip_AddrTable = SNMP_TABLE_CREATE_SIMPLE(20, ip_AddrTable_columns, ip_AddrTable_get_cell_value, ip_AddrTable_get_next_cell_instance_and_value);
static const struct snmp_table_simple_col_def ip_RouteTable_columns[] = {
{ 1, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteDest */
{ 2, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteIfIndex */
{ 3, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric1 */
{ 4, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric2 */
{ 5, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric3 */
{ 6, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric4 */
{ 7, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteNextHop */
{ 8, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteType */
{ 9, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteProto */
{ 10, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteAge */
{ 11, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipRouteMask */
{ 12, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_S32 }, /* ipRouteMetric5 */
{ 13, SNMP_ASN1_TYPE_OBJECT_ID, SNMP_VARIANT_VALUE_TYPE_PTR } /* ipRouteInfo */
};
static const struct snmp_table_simple_node ip_RouteTable = SNMP_TABLE_CREATE_SIMPLE(21, ip_RouteTable_columns, ip_RouteTable_get_cell_value, ip_RouteTable_get_next_cell_instance_and_value);
#endif /* LWIP_IPV4 */
#if LWIP_ARP && LWIP_IPV4
static const struct snmp_table_simple_col_def ip_NetToMediaTable_columns[] = {
{ 1, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipNetToMediaIfIndex */
{ 2, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_VARIANT_VALUE_TYPE_PTR }, /* ipNetToMediaPhysAddress */
{ 3, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* ipNetToMediaNetAddress */
{ 4, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 } /* ipNetToMediaType */
};
static const struct snmp_table_simple_node ip_NetToMediaTable = SNMP_TABLE_CREATE_SIMPLE(22, ip_NetToMediaTable_columns, ip_NetToMediaTable_get_cell_value, ip_NetToMediaTable_get_next_cell_instance_and_value);
#endif /* LWIP_ARP && LWIP_IPV4 */
#if LWIP_IPV4
/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
CREATE_LWIP_SYNC_NODE( 1, ip_Forwarding)
CREATE_LWIP_SYNC_NODE( 2, ip_DefaultTTL)
CREATE_LWIP_SYNC_NODE( 3, ip_InReceives)
CREATE_LWIP_SYNC_NODE( 4, ip_InHdrErrors)
CREATE_LWIP_SYNC_NODE( 5, ip_InAddrErrors)
CREATE_LWIP_SYNC_NODE( 6, ip_ForwDatagrams)
CREATE_LWIP_SYNC_NODE( 7, ip_InUnknownProtos)
CREATE_LWIP_SYNC_NODE( 8, ip_InDiscards)
CREATE_LWIP_SYNC_NODE( 9, ip_InDelivers)
CREATE_LWIP_SYNC_NODE(10, ip_OutRequests)
CREATE_LWIP_SYNC_NODE(11, ip_OutDiscards)
CREATE_LWIP_SYNC_NODE(12, ip_OutNoRoutes)
CREATE_LWIP_SYNC_NODE(13, ip_ReasmTimeout)
CREATE_LWIP_SYNC_NODE(14, ip_ReasmReqds)
CREATE_LWIP_SYNC_NODE(15, ip_ReasmOKs)
CREATE_LWIP_SYNC_NODE(15, ip_ReasmFails)
CREATE_LWIP_SYNC_NODE(17, ip_FragOKs)
CREATE_LWIP_SYNC_NODE(18, ip_FragFails)
CREATE_LWIP_SYNC_NODE(19, ip_FragCreates)
CREATE_LWIP_SYNC_NODE(20, ip_AddrTable)
CREATE_LWIP_SYNC_NODE(21, ip_RouteTable)
#if LWIP_ARP
CREATE_LWIP_SYNC_NODE(22, ip_NetToMediaTable)
#endif /* LWIP_ARP */
CREATE_LWIP_SYNC_NODE(23, ip_RoutingDiscards)
static const struct snmp_node* const ip_nodes[] = {
&SYNC_NODE_NAME(ip_Forwarding).node.node,
&SYNC_NODE_NAME(ip_DefaultTTL).node.node,
&SYNC_NODE_NAME(ip_InReceives).node.node,
&SYNC_NODE_NAME(ip_InHdrErrors).node.node,
&SYNC_NODE_NAME(ip_InAddrErrors).node.node,
&SYNC_NODE_NAME(ip_ForwDatagrams).node.node,
&SYNC_NODE_NAME(ip_InUnknownProtos).node.node,
&SYNC_NODE_NAME(ip_InDiscards).node.node,
&SYNC_NODE_NAME(ip_InDelivers).node.node,
&SYNC_NODE_NAME(ip_OutRequests).node.node,
&SYNC_NODE_NAME(ip_OutDiscards).node.node,
&SYNC_NODE_NAME(ip_OutNoRoutes).node.node,
&SYNC_NODE_NAME(ip_ReasmTimeout).node.node,
&SYNC_NODE_NAME(ip_ReasmReqds).node.node,
&SYNC_NODE_NAME(ip_ReasmOKs).node.node,
&SYNC_NODE_NAME(ip_ReasmFails).node.node,
&SYNC_NODE_NAME(ip_FragOKs).node.node,
&SYNC_NODE_NAME(ip_FragFails).node.node,
&SYNC_NODE_NAME(ip_FragCreates).node.node,
&SYNC_NODE_NAME(ip_AddrTable).node.node,
&SYNC_NODE_NAME(ip_RouteTable).node.node,
#if LWIP_ARP
&SYNC_NODE_NAME(ip_NetToMediaTable).node.node,
#endif /* LWIP_ARP */
&SYNC_NODE_NAME(ip_RoutingDiscards).node.node
};
const struct snmp_tree_node snmp_mib2_ip_root = SNMP_CREATE_TREE_NODE(4, ip_nodes);
#endif /* LWIP_IPV4 */
/* --- at .1.3.6.1.2.1.3 ----------------------------------------------------- */
#if LWIP_ARP && LWIP_IPV4
/* at node table is a subset of ip_nettomedia table (same rows but less columns) */
static const struct snmp_table_simple_col_def at_Table_columns[] = {
{ 1, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* atIfIndex */
{ 2, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_VARIANT_VALUE_TYPE_PTR }, /* atPhysAddress */
{ 3, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 } /* atNetAddress */
};
static const struct snmp_table_simple_node at_Table = SNMP_TABLE_CREATE_SIMPLE(1, at_Table_columns, ip_NetToMediaTable_get_cell_value, ip_NetToMediaTable_get_next_cell_instance_and_value);
/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
CREATE_LWIP_SYNC_NODE(1, at_Table)
static const struct snmp_node* const at_nodes[] = {
&SYNC_NODE_NAME(at_Table).node.node
};
const struct snmp_tree_node snmp_mib2_at_root = SNMP_CREATE_TREE_NODE(3, at_nodes);
#endif /* LWIP_ARP && LWIP_IPV4 */
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */

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RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/snmp/snmp_mib2_snmp.c Normal file
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@ -0,0 +1,227 @@
/**
* @file
* Management Information Base II (RFC1213) SNMP objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_scalar.h"
#if LWIP_SNMP && SNMP_LWIP_MIB2
#define MIB2_AUTH_TRAPS_ENABLED 1
#define MIB2_AUTH_TRAPS_DISABLED 2
/* --- snmp .1.3.6.1.2.1.11 ----------------------------------------------------- */
static s16_t
snmp_get_value(const struct snmp_scalar_array_node_def *node, void *value)
{
u32_t *uint_ptr = (u32_t*)value;
switch (node->oid) {
case 1: /* snmpInPkts */
*uint_ptr = snmp_stats.inpkts;
break;
case 2: /* snmpOutPkts */
*uint_ptr = snmp_stats.outpkts;
break;
case 3: /* snmpInBadVersions */
*uint_ptr = snmp_stats.inbadversions;
break;
case 4: /* snmpInBadCommunityNames */
*uint_ptr = snmp_stats.inbadcommunitynames;
break;
case 5: /* snmpInBadCommunityUses */
*uint_ptr = snmp_stats.inbadcommunityuses;
break;
case 6: /* snmpInASNParseErrs */
*uint_ptr = snmp_stats.inasnparseerrs;
break;
case 8: /* snmpInTooBigs */
*uint_ptr = snmp_stats.intoobigs;
break;
case 9: /* snmpInNoSuchNames */
*uint_ptr = snmp_stats.innosuchnames;
break;
case 10: /* snmpInBadValues */
*uint_ptr = snmp_stats.inbadvalues;
break;
case 11: /* snmpInReadOnlys */
*uint_ptr = snmp_stats.inreadonlys;
break;
case 12: /* snmpInGenErrs */
*uint_ptr = snmp_stats.ingenerrs;
break;
case 13: /* snmpInTotalReqVars */
*uint_ptr = snmp_stats.intotalreqvars;
break;
case 14: /* snmpInTotalSetVars */
*uint_ptr = snmp_stats.intotalsetvars;
break;
case 15: /* snmpInGetRequests */
*uint_ptr = snmp_stats.ingetrequests;
break;
case 16: /* snmpInGetNexts */
*uint_ptr = snmp_stats.ingetnexts;
break;
case 17: /* snmpInSetRequests */
*uint_ptr = snmp_stats.insetrequests;
break;
case 18: /* snmpInGetResponses */
*uint_ptr = snmp_stats.ingetresponses;
break;
case 19: /* snmpInTraps */
*uint_ptr = snmp_stats.intraps;
break;
case 20: /* snmpOutTooBigs */
*uint_ptr = snmp_stats.outtoobigs;
break;
case 21: /* snmpOutNoSuchNames */
*uint_ptr = snmp_stats.outnosuchnames;
break;
case 22: /* snmpOutBadValues */
*uint_ptr = snmp_stats.outbadvalues;
break;
case 24: /* snmpOutGenErrs */
*uint_ptr = snmp_stats.outgenerrs;
break;
case 25: /* snmpOutGetRequests */
*uint_ptr = snmp_stats.outgetrequests;
break;
case 26: /* snmpOutGetNexts */
*uint_ptr = snmp_stats.outgetnexts;
break;
case 27: /* snmpOutSetRequests */
*uint_ptr = snmp_stats.outsetrequests;
break;
case 28: /* snmpOutGetResponses */
*uint_ptr = snmp_stats.outgetresponses;
break;
case 29: /* snmpOutTraps */
*uint_ptr = snmp_stats.outtraps;
break;
case 30: /* snmpEnableAuthenTraps */
if (snmp_get_auth_traps_enabled() == SNMP_AUTH_TRAPS_DISABLED) {
*uint_ptr = MIB2_AUTH_TRAPS_DISABLED;
} else {
*uint_ptr = MIB2_AUTH_TRAPS_ENABLED;
}
break;
case 31: /* snmpSilentDrops */
*uint_ptr = 0; /* not supported */
break;
case 32: /* snmpProxyDrops */
*uint_ptr = 0; /* not supported */
break;
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("snmp_get_value(): unknown id: %"S32_F"\n", node->oid));
return 0;
}
return sizeof(*uint_ptr);
}
static snmp_err_t
snmp_set_test(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
{
snmp_err_t ret = SNMP_ERR_WRONGVALUE;
LWIP_UNUSED_ARG(len);
if (node->oid == 30) {
/* snmpEnableAuthenTraps */
s32_t *sint_ptr = (s32_t*)value;
/* we should have writable non-volatile mem here */
if ((*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) || (*sint_ptr == MIB2_AUTH_TRAPS_ENABLED)) {
ret = SNMP_ERR_NOERROR;
}
}
return ret;
}
static snmp_err_t
snmp_set_value(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
{
LWIP_UNUSED_ARG(len);
if (node->oid == 30) {
/* snmpEnableAuthenTraps */
s32_t *sint_ptr = (s32_t*)value;
if (*sint_ptr == MIB2_AUTH_TRAPS_DISABLED) {
snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_DISABLED);
} else {
snmp_set_auth_traps_enabled(SNMP_AUTH_TRAPS_ENABLED);
}
}
return SNMP_ERR_NOERROR;
}
/* the following nodes access variables in SNMP stack (snmp_stats) from SNMP worker thread -> OK, no sync needed */
static const struct snmp_scalar_array_node_def snmp_nodes[] = {
{ 1, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInPkts */
{ 2, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutPkts */
{ 3, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadVersions */
{ 4, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityNames */
{ 5, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadCommunityUses */
{ 6, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInASNParseErrs */
{ 8, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTooBigs */
{ 9, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInNoSuchNames */
{10, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInBadValues */
{11, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInReadOnlys */
{12, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGenErrs */
{13, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalReqVars */
{14, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTotalSetVars */
{15, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetRequests */
{16, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetNexts */
{17, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInSetRequests */
{18, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInGetResponses */
{19, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpInTraps */
{20, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTooBigs */
{21, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutNoSuchNames */
{22, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutBadValues */
{24, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGenErrs */
{25, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetRequests */
{26, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetNexts */
{27, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutSetRequests */
{28, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutGetResponses */
{29, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpOutTraps */
{30, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_WRITE}, /* snmpEnableAuthenTraps */
{31, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY}, /* snmpSilentDrops */
{32, SNMP_ASN1_TYPE_COUNTER, SNMP_NODE_INSTANCE_READ_ONLY} /* snmpProxyDrops */
};
const struct snmp_scalar_array_node snmp_mib2_snmp_root = SNMP_SCALAR_CREATE_ARRAY_NODE(11, snmp_nodes, snmp_get_value, snmp_set_test, snmp_set_value);
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */

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/**
* @file
* Management Information Base II (RFC1213) SYSTEM objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_table.h"
#include "lwip/apps/snmp_scalar.h"
#include "lwip/sys.h"
#include <string.h>
#if LWIP_SNMP && SNMP_LWIP_MIB2
#if SNMP_USE_NETCONN
#define SYNC_NODE_NAME(node_name) node_name ## _synced
#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
#else
#define SYNC_NODE_NAME(node_name) node_name
#define CREATE_LWIP_SYNC_NODE(oid, node_name)
#endif
/* --- system .1.3.6.1.2.1.1 ----------------------------------------------------- */
/** mib-2.system.sysDescr */
static const u8_t sysdescr_default[] = SNMP_LWIP_MIB2_SYSDESC;
static const u8_t* sysdescr = sysdescr_default;
static const u16_t* sysdescr_len = NULL; /* use strlen for determining len */
/** mib-2.system.sysContact */
static const u8_t syscontact_default[] = SNMP_LWIP_MIB2_SYSCONTACT;
static const u8_t* syscontact = syscontact_default;
static const u16_t* syscontact_len = NULL; /* use strlen for determining len */
static u8_t* syscontact_wr = NULL; /* if writable, points to the same buffer as syscontact (required for correct constness) */
static u16_t* syscontact_wr_len = NULL; /* if writable, points to the same buffer as syscontact_len (required for correct constness) */
static u16_t syscontact_bufsize = 0; /* 0=not writable */
/** mib-2.system.sysName */
static const u8_t sysname_default[] = SNMP_LWIP_MIB2_SYSNAME;
static const u8_t* sysname = sysname_default;
static const u16_t* sysname_len = NULL; /* use strlen for determining len */
static u8_t* sysname_wr = NULL; /* if writable, points to the same buffer as sysname (required for correct constness) */
static u16_t* sysname_wr_len = NULL; /* if writable, points to the same buffer as sysname_len (required for correct constness) */
static u16_t sysname_bufsize = 0; /* 0=not writable */
/** mib-2.system.sysLocation */
static const u8_t syslocation_default[] = SNMP_LWIP_MIB2_SYSLOCATION;
static const u8_t* syslocation = syslocation_default;
static const u16_t* syslocation_len = NULL; /* use strlen for determining len */
static u8_t* syslocation_wr = NULL; /* if writable, points to the same buffer as syslocation (required for correct constness) */
static u16_t* syslocation_wr_len = NULL; /* if writable, points to the same buffer as syslocation_len (required for correct constness) */
static u16_t syslocation_bufsize = 0; /* 0=not writable */
/**
* @ingroup snmp_mib2
* Initializes sysDescr pointers.
*
* @param str if non-NULL then copy str pointer
* @param len points to string length, excluding zero terminator
*/
void
snmp_mib2_set_sysdescr(const u8_t *str, const u16_t *len)
{
if (str != NULL) {
sysdescr = str;
sysdescr_len = len;
}
}
/**
* @ingroup snmp_mib2
* Initializes sysContact pointers
*
* @param ocstr if non-NULL then copy str pointer
* @param ocstrlen points to string length, excluding zero terminator.
* if set to NULL it is assumed that ocstr is NULL-terminated.
* @param bufsize size of the buffer in bytes.
* (this is required because the buffer can be overwritten by snmp-set)
* if ocstrlen is NULL buffer needs space for terminating 0 byte.
* otherwise complete buffer is used for string.
* if bufsize is set to 0, the value is regarded as read-only.
*/
void
snmp_mib2_set_syscontact(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize)
{
if (ocstr != NULL) {
syscontact = ocstr;
syscontact_wr = ocstr;
syscontact_len = ocstrlen;
syscontact_wr_len = ocstrlen;
syscontact_bufsize = bufsize;
}
}
/**
* @ingroup snmp_mib2
* see \ref snmp_mib2_set_syscontact but set pointer to readonly memory
*/
void
snmp_mib2_set_syscontact_readonly(const u8_t *ocstr, const u16_t *ocstrlen)
{
if (ocstr != NULL) {
syscontact = ocstr;
syscontact_len = ocstrlen;
syscontact_wr = NULL;
syscontact_wr_len = NULL;
syscontact_bufsize = 0;
}
}
/**
* @ingroup snmp_mib2
* Initializes sysName pointers
*
* @param ocstr if non-NULL then copy str pointer
* @param ocstrlen points to string length, excluding zero terminator.
* if set to NULL it is assumed that ocstr is NULL-terminated.
* @param bufsize size of the buffer in bytes.
* (this is required because the buffer can be overwritten by snmp-set)
* if ocstrlen is NULL buffer needs space for terminating 0 byte.
* otherwise complete buffer is used for string.
* if bufsize is set to 0, the value is regarded as read-only.
*/
void
snmp_mib2_set_sysname(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize)
{
if (ocstr != NULL) {
sysname = ocstr;
sysname_wr = ocstr;
sysname_len = ocstrlen;
sysname_wr_len = ocstrlen;
sysname_bufsize = bufsize;
}
}
/**
* @ingroup snmp_mib2
* see \ref snmp_mib2_set_sysname but set pointer to readonly memory
*/
void
snmp_mib2_set_sysname_readonly(const u8_t *ocstr, const u16_t *ocstrlen)
{
if (ocstr != NULL) {
sysname = ocstr;
sysname_len = ocstrlen;
sysname_wr = NULL;
sysname_wr_len = NULL;
sysname_bufsize = 0;
}
}
/**
* @ingroup snmp_mib2
* Initializes sysLocation pointers
*
* @param ocstr if non-NULL then copy str pointer
* @param ocstrlen points to string length, excluding zero terminator.
* if set to NULL it is assumed that ocstr is NULL-terminated.
* @param bufsize size of the buffer in bytes.
* (this is required because the buffer can be overwritten by snmp-set)
* if ocstrlen is NULL buffer needs space for terminating 0 byte.
* otherwise complete buffer is used for string.
* if bufsize is set to 0, the value is regarded as read-only.
*/
void
snmp_mib2_set_syslocation(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize)
{
if (ocstr != NULL) {
syslocation = ocstr;
syslocation_wr = ocstr;
syslocation_len = ocstrlen;
syslocation_wr_len = ocstrlen;
syslocation_bufsize = bufsize;
}
}
/**
* @ingroup snmp_mib2
* see \ref snmp_mib2_set_syslocation but set pointer to readonly memory
*/
void
snmp_mib2_set_syslocation_readonly(const u8_t *ocstr, const u16_t *ocstrlen)
{
if (ocstr != NULL) {
syslocation = ocstr;
syslocation_len = ocstrlen;
syslocation_wr = NULL;
syslocation_wr_len = NULL;
syslocation_bufsize = 0;
}
}
static s16_t
system_get_value(const struct snmp_scalar_array_node_def *node, void *value)
{
const u8_t* var = NULL;
const s16_t* var_len;
u16_t result;
switch (node->oid) {
case 1: /* sysDescr */
var = sysdescr;
var_len = (const s16_t*)sysdescr_len;
break;
case 2: /* sysObjectID */
{
const struct snmp_obj_id* dev_enterprise_oid = snmp_get_device_enterprise_oid();
MEMCPY(value, dev_enterprise_oid->id, dev_enterprise_oid->len * sizeof(u32_t));
return dev_enterprise_oid->len * sizeof(u32_t);
}
case 3: /* sysUpTime */
MIB2_COPY_SYSUPTIME_TO((u32_t*)value);
return sizeof(u32_t);
case 4: /* sysContact */
var = syscontact;
var_len = (const s16_t*)syscontact_len;
break;
case 5: /* sysName */
var = sysname;
var_len = (const s16_t*)sysname_len;
break;
case 6: /* sysLocation */
var = syslocation;
var_len = (const s16_t*)syslocation_len;
break;
case 7: /* sysServices */
*(s32_t*)value = SNMP_SYSSERVICES;
return sizeof(s32_t);
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_get_value(): unknown id: %"S32_F"\n", node->oid));
return 0;
}
/* handle string values (OID 1,4,5 and 6) */
LWIP_ASSERT("", (value != NULL));
if (var_len == NULL) {
result = (s16_t)strlen((const char*)var);
} else {
result = *var_len;
}
MEMCPY(value, var, result);
return result;
}
static snmp_err_t
system_set_test(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
{
snmp_err_t ret = SNMP_ERR_WRONGVALUE;
const u16_t* var_bufsize = NULL;
const u16_t* var_wr_len;
LWIP_UNUSED_ARG(value);
switch (node->oid) {
case 4: /* sysContact */
var_bufsize = &syscontact_bufsize;
var_wr_len = syscontact_wr_len;
break;
case 5: /* sysName */
var_bufsize = &sysname_bufsize;
var_wr_len = sysname_wr_len;
break;
case 6: /* sysLocation */
var_bufsize = &syslocation_bufsize;
var_wr_len = syslocation_wr_len;
break;
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_set_test(): unknown id: %"S32_F"\n", node->oid));
return ret;
}
/* check if value is writable at all */
if (*var_bufsize > 0) {
if (var_wr_len == NULL) {
/* we have to take the terminating 0 into account */
if (len < *var_bufsize) {
ret = SNMP_ERR_NOERROR;
}
} else {
if (len <= *var_bufsize) {
ret = SNMP_ERR_NOERROR;
}
}
} else {
ret = SNMP_ERR_NOTWRITABLE;
}
return ret;
}
static snmp_err_t
system_set_value(const struct snmp_scalar_array_node_def *node, u16_t len, void *value)
{
u8_t* var_wr = NULL;
u16_t* var_wr_len;
switch (node->oid) {
case 4: /* sysContact */
var_wr = syscontact_wr;
var_wr_len = syscontact_wr_len;
break;
case 5: /* sysName */
var_wr = sysname_wr;
var_wr_len = sysname_wr_len;
break;
case 6: /* sysLocation */
var_wr = syslocation_wr;
var_wr_len = syslocation_wr_len;
break;
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("system_set_value(): unknown id: %"S32_F"\n", node->oid));
return SNMP_ERR_GENERROR;
}
/* no need to check size of target buffer, this was already done in set_test method */
LWIP_ASSERT("", var_wr != NULL);
MEMCPY(var_wr, value, len);
if (var_wr_len == NULL) {
/* add terminating 0 */
var_wr[len] = 0;
} else {
*var_wr_len = len;
}
return SNMP_ERR_NOERROR;
}
static const struct snmp_scalar_array_node_def system_nodes[] = {
{1, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_ONLY}, /* sysDescr */
{2, SNMP_ASN1_TYPE_OBJECT_ID, SNMP_NODE_INSTANCE_READ_ONLY}, /* sysObjectID */
{3, SNMP_ASN1_TYPE_TIMETICKS, SNMP_NODE_INSTANCE_READ_ONLY}, /* sysUpTime */
{4, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_WRITE}, /* sysContact */
{5, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_WRITE}, /* sysName */
{6, SNMP_ASN1_TYPE_OCTET_STRING, SNMP_NODE_INSTANCE_READ_WRITE}, /* sysLocation */
{7, SNMP_ASN1_TYPE_INTEGER, SNMP_NODE_INSTANCE_READ_ONLY} /* sysServices */
};
const struct snmp_scalar_array_node snmp_mib2_system_node = SNMP_SCALAR_CREATE_ARRAY_NODE(1, system_nodes, system_get_value, system_set_test, system_set_value);
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 */

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/**
* @file
* Management Information Base II (RFC1213) TCP objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_table.h"
#include "lwip/apps/snmp_scalar.h"
#include "lwip/tcp.h"
#include "lwip/priv/tcp_priv.h"
#include "lwip/stats.h"
#include <string.h>
#if LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_TCP
#if SNMP_USE_NETCONN
#define SYNC_NODE_NAME(node_name) node_name ## _synced
#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
#else
#define SYNC_NODE_NAME(node_name) node_name
#define CREATE_LWIP_SYNC_NODE(oid, node_name)
#endif
/* --- tcp .1.3.6.1.2.1.6 ----------------------------------------------------- */
static s16_t
tcp_get_value(struct snmp_node_instance* instance, void* value)
{
u32_t *uint_ptr = (u32_t*)value;
s32_t *sint_ptr = (s32_t*)value;
switch (instance->node->oid) {
case 1: /* tcpRtoAlgorithm, vanj(4) */
*sint_ptr = 4;
return sizeof(*sint_ptr);
case 2: /* tcpRtoMin */
/* @todo not the actual value, a guess,
needs to be calculated */
*sint_ptr = 1000;
return sizeof(*sint_ptr);
case 3: /* tcpRtoMax */
/* @todo not the actual value, a guess,
needs to be calculated */
*sint_ptr = 60000;
return sizeof(*sint_ptr);
case 4: /* tcpMaxConn */
*sint_ptr = MEMP_NUM_TCP_PCB;
return sizeof(*sint_ptr);
case 5: /* tcpActiveOpens */
*uint_ptr = STATS_GET(mib2.tcpactiveopens);
return sizeof(*uint_ptr);
case 6: /* tcpPassiveOpens */
*uint_ptr = STATS_GET(mib2.tcppassiveopens);
return sizeof(*uint_ptr);
case 7: /* tcpAttemptFails */
*uint_ptr = STATS_GET(mib2.tcpattemptfails);
return sizeof(*uint_ptr);
case 8: /* tcpEstabResets */
*uint_ptr = STATS_GET(mib2.tcpestabresets);
return sizeof(*uint_ptr);
case 9: /* tcpCurrEstab */
{
u16_t tcpcurrestab = 0;
struct tcp_pcb *pcb = tcp_active_pcbs;
while (pcb != NULL) {
if ((pcb->state == ESTABLISHED) ||
(pcb->state == CLOSE_WAIT)) {
tcpcurrestab++;
}
pcb = pcb->next;
}
*uint_ptr = tcpcurrestab;
}
return sizeof(*uint_ptr);
case 10: /* tcpInSegs */
*uint_ptr = STATS_GET(mib2.tcpinsegs);
return sizeof(*uint_ptr);
case 11: /* tcpOutSegs */
*uint_ptr = STATS_GET(mib2.tcpoutsegs);
return sizeof(*uint_ptr);
case 12: /* tcpRetransSegs */
*uint_ptr = STATS_GET(mib2.tcpretranssegs);
return sizeof(*uint_ptr);
case 14: /* tcpInErrs */
*uint_ptr = STATS_GET(mib2.tcpinerrs);
return sizeof(*uint_ptr);
case 15: /* tcpOutRsts */
*uint_ptr = STATS_GET(mib2.tcpoutrsts);
return sizeof(*uint_ptr);
case 17: /* tcpHCInSegs */
memset(value, 0, 2*sizeof(u32_t)); /* not supported */
return 2*sizeof(u32_t);
case 18: /* tcpHCOutSegs */
memset(value, 0, 2*sizeof(u32_t)); /* not supported */
return 2*sizeof(u32_t);
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("tcp_get_value(): unknown id: %"S32_F"\n", instance->node->oid));
break;
}
return 0;
}
/* --- tcpConnTable --- */
#if LWIP_IPV4
/* list of allowed value ranges for incoming OID */
static const struct snmp_oid_range tcp_ConnTable_oid_ranges[] = {
{ 0, 0xff }, /* IP A */
{ 0, 0xff }, /* IP B */
{ 0, 0xff }, /* IP C */
{ 0, 0xff }, /* IP D */
{ 0, 0xffff }, /* Port */
{ 0, 0xff }, /* IP A */
{ 0, 0xff }, /* IP B */
{ 0, 0xff }, /* IP C */
{ 0, 0xff }, /* IP D */
{ 0, 0xffff } /* Port */
};
static snmp_err_t
tcp_ConnTable_get_cell_value_core(struct tcp_pcb *pcb, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
{
LWIP_UNUSED_ARG(value_len);
/* value */
switch (*column) {
case 1: /* tcpConnState */
value->u32 = pcb->state + 1;
break;
case 2: /* tcpConnLocalAddress */
value->u32 = ip_2_ip4(&pcb->local_ip)->addr;
break;
case 3: /* tcpConnLocalPort */
value->u32 = pcb->local_port;
break;
case 4: /* tcpConnRemAddress */
if (pcb->state == LISTEN) {
value->u32 = IP4_ADDR_ANY4->addr;
} else {
value->u32 = ip_2_ip4(&pcb->remote_ip)->addr;
}
break;
case 5: /* tcpConnRemPort */
if (pcb->state == LISTEN) {
value->u32 = 0;
} else {
value->u32 = pcb->remote_port;
}
break;
default:
LWIP_ASSERT("invalid id", 0);
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
tcp_ConnTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
u8_t i;
ip4_addr_t local_ip;
ip4_addr_t remote_ip;
u16_t local_port;
u16_t remote_port;
struct tcp_pcb *pcb;
/* check if incoming OID length and if values are in plausible range */
if (!snmp_oid_in_range(row_oid, row_oid_len, tcp_ConnTable_oid_ranges, LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges))) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* get IPs and ports from incoming OID */
snmp_oid_to_ip4(&row_oid[0], &local_ip); /* we know it succeeds because of oid_in_range check above */
local_port = (u16_t)row_oid[4];
snmp_oid_to_ip4(&row_oid[5], &remote_ip); /* we know it succeeds because of oid_in_range check above */
remote_port = (u16_t)row_oid[9];
/* find tcp_pcb with requested ips and ports */
for (i = 0; i < LWIP_ARRAYSIZE(tcp_pcb_lists); i++) {
pcb = *tcp_pcb_lists[i];
while (pcb != NULL) {
/* do local IP and local port match? */
if (IP_IS_V4_VAL(pcb->local_ip) &&
ip4_addr_cmp(&local_ip, ip_2_ip4(&pcb->local_ip)) && (local_port == pcb->local_port)) {
/* PCBs in state LISTEN are not connected and have no remote_ip or remote_port */
if (pcb->state == LISTEN) {
if (ip4_addr_cmp(&remote_ip, IP4_ADDR_ANY4) && (remote_port == 0)) {
/* fill in object properties */
return tcp_ConnTable_get_cell_value_core(pcb, column, value, value_len);
}
} else {
if (IP_IS_V4_VAL(pcb->remote_ip) &&
ip4_addr_cmp(&remote_ip, ip_2_ip4(&pcb->remote_ip)) && (remote_port == pcb->remote_port)) {
/* fill in object properties */
return tcp_ConnTable_get_cell_value_core(pcb, column, value, value_len);
}
}
}
pcb = pcb->next;
}
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
tcp_ConnTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
u8_t i;
struct tcp_pcb *pcb;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges));
/* iterate over all possible OIDs to find the next one */
for (i = 0; i < LWIP_ARRAYSIZE(tcp_pcb_lists); i++) {
pcb = *tcp_pcb_lists[i];
while (pcb != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges)];
if (IP_IS_V4_VAL(pcb->local_ip)) {
snmp_ip4_to_oid(ip_2_ip4(&pcb->local_ip), &test_oid[0]);
test_oid[4] = pcb->local_port;
/* PCBs in state LISTEN are not connected and have no remote_ip or remote_port */
if (pcb->state == LISTEN) {
snmp_ip4_to_oid(IP4_ADDR_ANY4, &test_oid[5]);
test_oid[9] = 0;
} else {
if (IP_IS_V6_VAL(pcb->remote_ip)) { /* should never happen */
continue;
}
snmp_ip4_to_oid(ip_2_ip4(&pcb->remote_ip), &test_oid[5]);
test_oid[9] = pcb->remote_port;
}
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(tcp_ConnTable_oid_ranges), pcb);
}
pcb = pcb->next;
}
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return tcp_ConnTable_get_cell_value_core((struct tcp_pcb*)state.reference, column, value, value_len);
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
#endif /* LWIP_IPV4 */
/* --- tcpConnectionTable --- */
static snmp_err_t
tcp_ConnectionTable_get_cell_value_core(const u32_t* column, struct tcp_pcb *pcb, union snmp_variant_value* value)
{
/* all items except tcpConnectionState and tcpConnectionProcess are declared as not-accessible */
switch (*column) {
case 7: /* tcpConnectionState */
value->u32 = pcb->state + 1;
break;
case 8: /* tcpConnectionProcess */
value->u32 = 0; /* not supported */
break;
default:
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
tcp_ConnectionTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
ip_addr_t local_ip, remote_ip;
u16_t local_port, remote_port;
struct tcp_pcb *pcb;
u8_t idx = 0;
u8_t i;
struct tcp_pcb ** const tcp_pcb_nonlisten_lists[] = {&tcp_bound_pcbs, &tcp_active_pcbs, &tcp_tw_pcbs};
LWIP_UNUSED_ARG(value_len);
/* tcpConnectionLocalAddressType + tcpConnectionLocalAddress + tcpConnectionLocalPort */
idx += snmp_oid_to_ip_port(&row_oid[idx], row_oid_len-idx, &local_ip, &local_port);
if (idx == 0) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* tcpConnectionRemAddressType + tcpConnectionRemAddress + tcpConnectionRemPort */
idx += snmp_oid_to_ip_port(&row_oid[idx], row_oid_len-idx, &remote_ip, &remote_port);
if (idx == 0) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* find tcp_pcb with requested ip and port*/
for (i = 0; i < LWIP_ARRAYSIZE(tcp_pcb_nonlisten_lists); i++) {
pcb = *tcp_pcb_nonlisten_lists[i];
while (pcb != NULL) {
if (ip_addr_cmp(&local_ip, &pcb->local_ip) &&
(local_port == pcb->local_port) &&
ip_addr_cmp(&remote_ip, &pcb->remote_ip) &&
(remote_port == pcb->remote_port)) {
/* fill in object properties */
return tcp_ConnectionTable_get_cell_value_core(column, pcb, value);
}
pcb = pcb->next;
}
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
tcp_ConnectionTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct tcp_pcb *pcb;
struct snmp_next_oid_state state;
/* 1x tcpConnectionLocalAddressType + 1x OID len + 16x tcpConnectionLocalAddress + 1x tcpConnectionLocalPort
* 1x tcpConnectionRemAddressType + 1x OID len + 16x tcpConnectionRemAddress + 1x tcpConnectionRemPort */
u32_t result_temp[38];
u8_t i;
struct tcp_pcb ** const tcp_pcb_nonlisten_lists[] = {&tcp_bound_pcbs, &tcp_active_pcbs, &tcp_tw_pcbs};
LWIP_UNUSED_ARG(value_len);
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(result_temp));
/* iterate over all possible OIDs to find the next one */
for (i = 0; i < LWIP_ARRAYSIZE(tcp_pcb_nonlisten_lists); i++) {
pcb = *tcp_pcb_nonlisten_lists[i];
while (pcb != NULL) {
u8_t idx = 0;
u32_t test_oid[LWIP_ARRAYSIZE(result_temp)];
/* tcpConnectionLocalAddressType + tcpConnectionLocalAddress + tcpConnectionLocalPort */
idx += snmp_ip_port_to_oid(&pcb->local_ip, pcb->local_port, &test_oid[idx]);
/* tcpConnectionRemAddressType + tcpConnectionRemAddress + tcpConnectionRemPort */
idx += snmp_ip_port_to_oid(&pcb->remote_ip, pcb->remote_port, &test_oid[idx]);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, idx, pcb);
pcb = pcb->next;
}
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return tcp_ConnectionTable_get_cell_value_core(column, (struct tcp_pcb*)state.reference, value);
} else {
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
}
/* --- tcpListenerTable --- */
static snmp_err_t
tcp_ListenerTable_get_cell_value_core(const u32_t* column, union snmp_variant_value* value)
{
/* all items except tcpListenerProcess are declared as not-accessible */
switch (*column) {
case 4: /* tcpListenerProcess */
value->u32 = 0; /* not supported */
break;
default:
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
tcp_ListenerTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
ip_addr_t local_ip;
u16_t local_port;
struct tcp_pcb_listen *pcb;
u8_t idx = 0;
LWIP_UNUSED_ARG(value_len);
/* tcpListenerLocalAddressType + tcpListenerLocalAddress + tcpListenerLocalPort */
idx += snmp_oid_to_ip_port(&row_oid[idx], row_oid_len-idx, &local_ip, &local_port);
if (idx == 0) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* find tcp_pcb with requested ip and port*/
pcb = tcp_listen_pcbs.listen_pcbs;
while (pcb != NULL) {
if (ip_addr_cmp(&local_ip, &pcb->local_ip) &&
(local_port == pcb->local_port)) {
/* fill in object properties */
return tcp_ListenerTable_get_cell_value_core(column, value);
}
pcb = pcb->next;
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
tcp_ListenerTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct tcp_pcb_listen *pcb;
struct snmp_next_oid_state state;
/* 1x tcpListenerLocalAddressType + 1x OID len + 16x tcpListenerLocalAddress + 1x tcpListenerLocalPort */
u32_t result_temp[19];
LWIP_UNUSED_ARG(value_len);
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(result_temp));
/* iterate over all possible OIDs to find the next one */
pcb = tcp_listen_pcbs.listen_pcbs;
while (pcb != NULL) {
u8_t idx = 0;
u32_t test_oid[LWIP_ARRAYSIZE(result_temp)];
/* tcpListenerLocalAddressType + tcpListenerLocalAddress + tcpListenerLocalPort */
idx += snmp_ip_port_to_oid(&pcb->local_ip, pcb->local_port, &test_oid[idx]);
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, idx, NULL);
pcb = pcb->next;
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return tcp_ListenerTable_get_cell_value_core(column, value);
} else {
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
}
static const struct snmp_scalar_node tcp_RtoAlgorithm = SNMP_SCALAR_CREATE_NODE_READONLY(1, SNMP_ASN1_TYPE_INTEGER, tcp_get_value);
static const struct snmp_scalar_node tcp_RtoMin = SNMP_SCALAR_CREATE_NODE_READONLY(2, SNMP_ASN1_TYPE_INTEGER, tcp_get_value);
static const struct snmp_scalar_node tcp_RtoMax = SNMP_SCALAR_CREATE_NODE_READONLY(3, SNMP_ASN1_TYPE_INTEGER, tcp_get_value);
static const struct snmp_scalar_node tcp_MaxConn = SNMP_SCALAR_CREATE_NODE_READONLY(4, SNMP_ASN1_TYPE_INTEGER, tcp_get_value);
static const struct snmp_scalar_node tcp_ActiveOpens = SNMP_SCALAR_CREATE_NODE_READONLY(5, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_PassiveOpens = SNMP_SCALAR_CREATE_NODE_READONLY(6, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_AttemptFails = SNMP_SCALAR_CREATE_NODE_READONLY(7, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_EstabResets = SNMP_SCALAR_CREATE_NODE_READONLY(8, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_CurrEstab = SNMP_SCALAR_CREATE_NODE_READONLY(9, SNMP_ASN1_TYPE_GAUGE, tcp_get_value);
static const struct snmp_scalar_node tcp_InSegs = SNMP_SCALAR_CREATE_NODE_READONLY(10, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_OutSegs = SNMP_SCALAR_CREATE_NODE_READONLY(11, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_RetransSegs = SNMP_SCALAR_CREATE_NODE_READONLY(12, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_InErrs = SNMP_SCALAR_CREATE_NODE_READONLY(14, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_OutRsts = SNMP_SCALAR_CREATE_NODE_READONLY(15, SNMP_ASN1_TYPE_COUNTER, tcp_get_value);
static const struct snmp_scalar_node tcp_HCInSegs = SNMP_SCALAR_CREATE_NODE_READONLY(17, SNMP_ASN1_TYPE_COUNTER64, tcp_get_value);
static const struct snmp_scalar_node tcp_HCOutSegs = SNMP_SCALAR_CREATE_NODE_READONLY(18, SNMP_ASN1_TYPE_COUNTER64, tcp_get_value);
#if LWIP_IPV4
static const struct snmp_table_simple_col_def tcp_ConnTable_columns[] = {
{ 1, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* tcpConnState */
{ 2, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* tcpConnLocalAddress */
{ 3, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* tcpConnLocalPort */
{ 4, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* tcpConnRemAddress */
{ 5, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 } /* tcpConnRemPort */
};
static const struct snmp_table_simple_node tcp_ConnTable = SNMP_TABLE_CREATE_SIMPLE(13, tcp_ConnTable_columns, tcp_ConnTable_get_cell_value, tcp_ConnTable_get_next_cell_instance_and_value);
#endif /* LWIP_IPV4 */
static const struct snmp_table_simple_col_def tcp_ConnectionTable_columns[] = {
/* all items except tcpConnectionState and tcpConnectionProcess are declared as not-accessible */
{ 7, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 }, /* tcpConnectionState */
{ 8, SNMP_ASN1_TYPE_UNSIGNED32, SNMP_VARIANT_VALUE_TYPE_U32 } /* tcpConnectionProcess */
};
static const struct snmp_table_simple_node tcp_ConnectionTable = SNMP_TABLE_CREATE_SIMPLE(19, tcp_ConnectionTable_columns, tcp_ConnectionTable_get_cell_value, tcp_ConnectionTable_get_next_cell_instance_and_value);
static const struct snmp_table_simple_col_def tcp_ListenerTable_columns[] = {
/* all items except tcpListenerProcess are declared as not-accessible */
{ 4, SNMP_ASN1_TYPE_UNSIGNED32, SNMP_VARIANT_VALUE_TYPE_U32 } /* tcpListenerProcess */
};
static const struct snmp_table_simple_node tcp_ListenerTable = SNMP_TABLE_CREATE_SIMPLE(20, tcp_ListenerTable_columns, tcp_ListenerTable_get_cell_value, tcp_ListenerTable_get_next_cell_instance_and_value);
/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
CREATE_LWIP_SYNC_NODE( 1, tcp_RtoAlgorithm)
CREATE_LWIP_SYNC_NODE( 2, tcp_RtoMin)
CREATE_LWIP_SYNC_NODE( 3, tcp_RtoMax)
CREATE_LWIP_SYNC_NODE( 4, tcp_MaxConn)
CREATE_LWIP_SYNC_NODE( 5, tcp_ActiveOpens)
CREATE_LWIP_SYNC_NODE( 6, tcp_PassiveOpens)
CREATE_LWIP_SYNC_NODE( 7, tcp_AttemptFails)
CREATE_LWIP_SYNC_NODE( 8, tcp_EstabResets)
CREATE_LWIP_SYNC_NODE( 9, tcp_CurrEstab)
CREATE_LWIP_SYNC_NODE(10, tcp_InSegs)
CREATE_LWIP_SYNC_NODE(11, tcp_OutSegs)
CREATE_LWIP_SYNC_NODE(12, tcp_RetransSegs)
#if LWIP_IPV4
CREATE_LWIP_SYNC_NODE(13, tcp_ConnTable)
#endif /* LWIP_IPV4 */
CREATE_LWIP_SYNC_NODE(14, tcp_InErrs)
CREATE_LWIP_SYNC_NODE(15, tcp_OutRsts)
CREATE_LWIP_SYNC_NODE(17, tcp_HCInSegs)
CREATE_LWIP_SYNC_NODE(18, tcp_HCOutSegs)
CREATE_LWIP_SYNC_NODE(19, tcp_ConnectionTable)
CREATE_LWIP_SYNC_NODE(20, tcp_ListenerTable)
static const struct snmp_node* const tcp_nodes[] = {
&SYNC_NODE_NAME(tcp_RtoAlgorithm).node.node,
&SYNC_NODE_NAME(tcp_RtoMin).node.node,
&SYNC_NODE_NAME(tcp_RtoMax).node.node,
&SYNC_NODE_NAME(tcp_MaxConn).node.node,
&SYNC_NODE_NAME(tcp_ActiveOpens).node.node,
&SYNC_NODE_NAME(tcp_PassiveOpens).node.node,
&SYNC_NODE_NAME(tcp_AttemptFails).node.node,
&SYNC_NODE_NAME(tcp_EstabResets).node.node,
&SYNC_NODE_NAME(tcp_CurrEstab).node.node,
&SYNC_NODE_NAME(tcp_InSegs).node.node,
&SYNC_NODE_NAME(tcp_OutSegs).node.node,
&SYNC_NODE_NAME(tcp_RetransSegs).node.node,
#if LWIP_IPV4
&SYNC_NODE_NAME(tcp_ConnTable).node.node,
#endif /* LWIP_IPV4 */
&SYNC_NODE_NAME(tcp_InErrs).node.node,
&SYNC_NODE_NAME(tcp_OutRsts).node.node,
&SYNC_NODE_NAME(tcp_HCInSegs).node.node,
&SYNC_NODE_NAME(tcp_HCOutSegs).node.node,
&SYNC_NODE_NAME(tcp_ConnectionTable).node.node,
&SYNC_NODE_NAME(tcp_ListenerTable).node.node
};
const struct snmp_tree_node snmp_mib2_tcp_root = SNMP_CREATE_TREE_NODE(6, tcp_nodes);
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_TCP */

357
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/apps/snmp/snmp_mib2_udp.c Normal file
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@ -0,0 +1,357 @@
/**
* @file
* Management Information Base II (RFC1213) UDP objects and functions.
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
* Christiaan Simons <christiaan.simons@axon.tv>
*/
#include "lwip/snmp.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_mib2.h"
#include "lwip/apps/snmp_table.h"
#include "lwip/apps/snmp_scalar.h"
#include "lwip/udp.h"
#include "lwip/stats.h"
#include <string.h>
#if LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_UDP
#if SNMP_USE_NETCONN
#define SYNC_NODE_NAME(node_name) node_name ## _synced
#define CREATE_LWIP_SYNC_NODE(oid, node_name) \
static const struct snmp_threadsync_node node_name ## _synced = SNMP_CREATE_THREAD_SYNC_NODE(oid, &node_name.node, &snmp_mib2_lwip_locks);
#else
#define SYNC_NODE_NAME(node_name) node_name
#define CREATE_LWIP_SYNC_NODE(oid, node_name)
#endif
/* --- udp .1.3.6.1.2.1.7 ----------------------------------------------------- */
static s16_t
udp_get_value(struct snmp_node_instance* instance, void* value)
{
u32_t *uint_ptr = (u32_t*)value;
switch (instance->node->oid) {
case 1: /* udpInDatagrams */
*uint_ptr = STATS_GET(mib2.udpindatagrams);
return sizeof(*uint_ptr);
case 2: /* udpNoPorts */
*uint_ptr = STATS_GET(mib2.udpnoports);
return sizeof(*uint_ptr);
case 3: /* udpInErrors */
*uint_ptr = STATS_GET(mib2.udpinerrors);
return sizeof(*uint_ptr);
case 4: /* udpOutDatagrams */
*uint_ptr = STATS_GET(mib2.udpoutdatagrams);
return sizeof(*uint_ptr);
case 8: /* udpHCInDatagrams */
memset(value, 0, 2*sizeof(u32_t)); /* not supported */
return 2*sizeof(u32_t);
case 9: /* udpHCOutDatagrams */
memset(value, 0, 2*sizeof(u32_t)); /* not supported */
return 2*sizeof(u32_t);
default:
LWIP_DEBUGF(SNMP_MIB_DEBUG,("udp_get_value(): unknown id: %"S32_F"\n", instance->node->oid));
break;
}
return 0;
}
/* --- udpEndpointTable --- */
static snmp_err_t
udp_endpointTable_get_cell_value_core(const u32_t* column, union snmp_variant_value* value)
{
/* all items except udpEndpointProcess are declared as not-accessible */
switch (*column) {
case 8: /* udpEndpointProcess */
value->u32 = 0; /* not supported */
break;
default:
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
udp_endpointTable_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
ip_addr_t local_ip, remote_ip;
u16_t local_port, remote_port;
struct udp_pcb *pcb;
u8_t idx = 0;
LWIP_UNUSED_ARG(value_len);
/* udpEndpointLocalAddressType + udpEndpointLocalAddress + udpEndpointLocalPort */
idx += snmp_oid_to_ip_port(&row_oid[idx], row_oid_len-idx, &local_ip, &local_port);
if (idx == 0) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* udpEndpointRemoteAddressType + udpEndpointRemoteAddress + udpEndpointRemotePort */
idx += snmp_oid_to_ip_port(&row_oid[idx], row_oid_len-idx, &remote_ip, &remote_port);
if (idx == 0) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* udpEndpointInstance */
if (row_oid_len < (idx+1)) {
return SNMP_ERR_NOSUCHINSTANCE;
}
if (row_oid[idx] != 0) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* find udp_pcb with requested ip and port*/
pcb = udp_pcbs;
while (pcb != NULL) {
if (ip_addr_cmp(&local_ip, &pcb->local_ip) &&
(local_port == pcb->local_port) &&
ip_addr_cmp(&remote_ip, &pcb->remote_ip) &&
(remote_port == pcb->remote_port)) {
/* fill in object properties */
return udp_endpointTable_get_cell_value_core(column, value);
}
pcb = pcb->next;
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
udp_endpointTable_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct udp_pcb *pcb;
struct snmp_next_oid_state state;
/* 1x udpEndpointLocalAddressType + 1x OID len + 16x udpEndpointLocalAddress + 1x udpEndpointLocalPort +
* 1x udpEndpointRemoteAddressType + 1x OID len + 16x udpEndpointRemoteAddress + 1x udpEndpointRemotePort +
* 1x udpEndpointInstance = 39
*/
u32_t result_temp[39];
LWIP_UNUSED_ARG(value_len);
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(result_temp));
/* iterate over all possible OIDs to find the next one */
pcb = udp_pcbs;
while (pcb != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(result_temp)];
u8_t idx = 0;
/* udpEndpointLocalAddressType + udpEndpointLocalAddress + udpEndpointLocalPort */
idx += snmp_ip_port_to_oid(&pcb->local_ip, pcb->local_port, &test_oid[idx]);
/* udpEndpointRemoteAddressType + udpEndpointRemoteAddress + udpEndpointRemotePort */
idx += snmp_ip_port_to_oid(&pcb->remote_ip, pcb->remote_port, &test_oid[idx]);
test_oid[idx] = 0; /* udpEndpointInstance */
idx++;
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, idx, NULL);
pcb = pcb->next;
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return udp_endpointTable_get_cell_value_core(column, value);
} else {
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
}
/* --- udpTable --- */
#if LWIP_IPV4
/* list of allowed value ranges for incoming OID */
static const struct snmp_oid_range udp_Table_oid_ranges[] = {
{ 0, 0xff }, /* IP A */
{ 0, 0xff }, /* IP B */
{ 0, 0xff }, /* IP C */
{ 0, 0xff }, /* IP D */
{ 1, 0xffff } /* Port */
};
static snmp_err_t
udp_Table_get_cell_value_core(struct udp_pcb *pcb, const u32_t* column, union snmp_variant_value* value, u32_t* value_len)
{
LWIP_UNUSED_ARG(value_len);
switch (*column) {
case 1: /* udpLocalAddress */
/* set reference to PCB local IP and return a generic node that copies IP4 addresses */
value->u32 = ip_2_ip4(&pcb->local_ip)->addr;
break;
case 2: /* udpLocalPort */
/* set reference to PCB local port and return a generic node that copies u16_t values */
value->u32 = pcb->local_port;
break;
default:
return SNMP_ERR_NOSUCHINSTANCE;
}
return SNMP_ERR_NOERROR;
}
static snmp_err_t
udp_Table_get_cell_value(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len)
{
ip4_addr_t ip;
u16_t port;
struct udp_pcb *pcb;
/* check if incoming OID length and if values are in plausible range */
if (!snmp_oid_in_range(row_oid, row_oid_len, udp_Table_oid_ranges, LWIP_ARRAYSIZE(udp_Table_oid_ranges))) {
return SNMP_ERR_NOSUCHINSTANCE;
}
/* get IP and port from incoming OID */
snmp_oid_to_ip4(&row_oid[0], &ip); /* we know it succeeds because of oid_in_range check above */
port = (u16_t)row_oid[4];
/* find udp_pcb with requested ip and port*/
pcb = udp_pcbs;
while (pcb != NULL) {
if (IP_IS_V4_VAL(pcb->local_ip)) {
if (ip4_addr_cmp(&ip, ip_2_ip4(&pcb->local_ip)) && (port == pcb->local_port)) {
/* fill in object properties */
return udp_Table_get_cell_value_core(pcb, column, value, value_len);
}
}
pcb = pcb->next;
}
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
static snmp_err_t
udp_Table_get_next_cell_instance_and_value(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len)
{
struct udp_pcb *pcb;
struct snmp_next_oid_state state;
u32_t result_temp[LWIP_ARRAYSIZE(udp_Table_oid_ranges)];
/* init struct to search next oid */
snmp_next_oid_init(&state, row_oid->id, row_oid->len, result_temp, LWIP_ARRAYSIZE(udp_Table_oid_ranges));
/* iterate over all possible OIDs to find the next one */
pcb = udp_pcbs;
while (pcb != NULL) {
u32_t test_oid[LWIP_ARRAYSIZE(udp_Table_oid_ranges)];
if (IP_IS_V4_VAL(pcb->local_ip)) {
snmp_ip4_to_oid(ip_2_ip4(&pcb->local_ip), &test_oid[0]);
test_oid[4] = pcb->local_port;
/* check generated OID: is it a candidate for the next one? */
snmp_next_oid_check(&state, test_oid, LWIP_ARRAYSIZE(udp_Table_oid_ranges), pcb);
}
pcb = pcb->next;
}
/* did we find a next one? */
if (state.status == SNMP_NEXT_OID_STATUS_SUCCESS) {
snmp_oid_assign(row_oid, state.next_oid, state.next_oid_len);
/* fill in object properties */
return udp_Table_get_cell_value_core((struct udp_pcb*)state.reference, column, value, value_len);
} else {
/* not found */
return SNMP_ERR_NOSUCHINSTANCE;
}
}
#endif /* LWIP_IPV4 */
static const struct snmp_scalar_node udp_inDatagrams = SNMP_SCALAR_CREATE_NODE_READONLY(1, SNMP_ASN1_TYPE_COUNTER, udp_get_value);
static const struct snmp_scalar_node udp_noPorts = SNMP_SCALAR_CREATE_NODE_READONLY(2, SNMP_ASN1_TYPE_COUNTER, udp_get_value);
static const struct snmp_scalar_node udp_inErrors = SNMP_SCALAR_CREATE_NODE_READONLY(3, SNMP_ASN1_TYPE_COUNTER, udp_get_value);
static const struct snmp_scalar_node udp_outDatagrams = SNMP_SCALAR_CREATE_NODE_READONLY(4, SNMP_ASN1_TYPE_COUNTER, udp_get_value);
static const struct snmp_scalar_node udp_HCInDatagrams = SNMP_SCALAR_CREATE_NODE_READONLY(8, SNMP_ASN1_TYPE_COUNTER64, udp_get_value);
static const struct snmp_scalar_node udp_HCOutDatagrams = SNMP_SCALAR_CREATE_NODE_READONLY(9, SNMP_ASN1_TYPE_COUNTER64, udp_get_value);
#if LWIP_IPV4
static const struct snmp_table_simple_col_def udp_Table_columns[] = {
{ 1, SNMP_ASN1_TYPE_IPADDR, SNMP_VARIANT_VALUE_TYPE_U32 }, /* udpLocalAddress */
{ 2, SNMP_ASN1_TYPE_INTEGER, SNMP_VARIANT_VALUE_TYPE_U32 } /* udpLocalPort */
};
static const struct snmp_table_simple_node udp_Table = SNMP_TABLE_CREATE_SIMPLE(5, udp_Table_columns, udp_Table_get_cell_value, udp_Table_get_next_cell_instance_and_value);
#endif /* LWIP_IPV4 */
static const struct snmp_table_simple_col_def udp_endpointTable_columns[] = {
/* all items except udpEndpointProcess are declared as not-accessible */
{ 8, SNMP_ASN1_TYPE_UNSIGNED32, SNMP_VARIANT_VALUE_TYPE_U32 } /* udpEndpointProcess */
};
static const struct snmp_table_simple_node udp_endpointTable = SNMP_TABLE_CREATE_SIMPLE(7, udp_endpointTable_columns, udp_endpointTable_get_cell_value, udp_endpointTable_get_next_cell_instance_and_value);
/* the following nodes access variables in LWIP stack from SNMP worker thread and must therefore be synced to LWIP (TCPIP) thread */
CREATE_LWIP_SYNC_NODE(1, udp_inDatagrams)
CREATE_LWIP_SYNC_NODE(2, udp_noPorts)
CREATE_LWIP_SYNC_NODE(3, udp_inErrors)
CREATE_LWIP_SYNC_NODE(4, udp_outDatagrams)
#if LWIP_IPV4
CREATE_LWIP_SYNC_NODE(5, udp_Table)
#endif /* LWIP_IPV4 */
CREATE_LWIP_SYNC_NODE(7, udp_endpointTable)
CREATE_LWIP_SYNC_NODE(8, udp_HCInDatagrams)
CREATE_LWIP_SYNC_NODE(9, udp_HCOutDatagrams)
static const struct snmp_node* const udp_nodes[] = {
&SYNC_NODE_NAME(udp_inDatagrams).node.node,
&SYNC_NODE_NAME(udp_noPorts).node.node,
&SYNC_NODE_NAME(udp_inErrors).node.node,
&SYNC_NODE_NAME(udp_outDatagrams).node.node,
#if LWIP_IPV4
&SYNC_NODE_NAME(udp_Table).node.node,
#endif /* LWIP_IPV4 */
&SYNC_NODE_NAME(udp_endpointTable).node.node,
&SYNC_NODE_NAME(udp_HCInDatagrams).node.node,
&SYNC_NODE_NAME(udp_HCOutDatagrams).node.node
};
const struct snmp_tree_node snmp_mib2_udp_root = SNMP_CREATE_TREE_NODE(7, udp_nodes);
#endif /* LWIP_SNMP && SNMP_LWIP_MIB2 && LWIP_UDP */

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/**
* @file
* SNMP Agent message handling structures (internal API, do not use in client code).
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* Copyright (c) 2016 Elias Oenal.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Christiaan Simons <christiaan.simons@axon.tv>
* Martin Hentschel <info@cl-soft.de>
* Elias Oenal <lwip@eliasoenal.com>
*/
#ifndef LWIP_HDR_APPS_SNMP_MSG_H
#define LWIP_HDR_APPS_SNMP_MSG_H
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "snmp_pbuf_stream.h"
#include "lwip/ip_addr.h"
#include "lwip/err.h"
#if LWIP_SNMP_V3
#include "snmpv3_priv.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* The listen port of the SNMP agent. Clients have to make their requests to
this port. Most standard clients won't work if you change this! */
#ifndef SNMP_IN_PORT
#define SNMP_IN_PORT 161
#endif
/* The remote port the SNMP agent sends traps to. Most standard trap sinks won't
work if you change this! */
#ifndef SNMP_TRAP_PORT
#define SNMP_TRAP_PORT 162
#endif
/* version defines used in PDU */
#define SNMP_VERSION_1 0
#define SNMP_VERSION_2c 1
#define SNMP_VERSION_3 3
struct snmp_varbind_enumerator
{
struct snmp_pbuf_stream pbuf_stream;
u16_t varbind_count;
};
typedef enum {
SNMP_VB_ENUMERATOR_ERR_OK = 0,
SNMP_VB_ENUMERATOR_ERR_EOVB = 1,
SNMP_VB_ENUMERATOR_ERR_ASN1ERROR = 2,
SNMP_VB_ENUMERATOR_ERR_INVALIDLENGTH = 3
} snmp_vb_enumerator_err_t;
void snmp_vb_enumerator_init(struct snmp_varbind_enumerator* enumerator, struct pbuf* p, u16_t offset, u16_t length);
snmp_vb_enumerator_err_t snmp_vb_enumerator_get_next(struct snmp_varbind_enumerator* enumerator, struct snmp_varbind* varbind);
struct snmp_request
{
/* Communication handle */
void *handle;
/* source IP address */
const ip_addr_t *source_ip;
/* source UDP port */
u16_t source_port;
/* incoming snmp version */
u8_t version;
/* community name (zero terminated) */
u8_t community[SNMP_MAX_COMMUNITY_STR_LEN + 1];
/* community string length (exclusive zero term) */
u16_t community_strlen;
/* request type */
u8_t request_type;
/* request ID */
s32_t request_id;
/* error status */
s32_t error_status;
/* error index */
s32_t error_index;
/* non-repeaters (getBulkRequest (SNMPv2c)) */
s32_t non_repeaters;
/* max-repetitions (getBulkRequest (SNMPv2c)) */
s32_t max_repetitions;
#if LWIP_SNMP_V3
s32_t msg_id;
s32_t msg_max_size;
u8_t msg_flags;
s32_t msg_security_model;
u8_t msg_authoritative_engine_id[SNMP_V3_MAX_ENGINE_ID_LENGTH];
u8_t msg_authoritative_engine_id_len;
s32_t msg_authoritative_engine_boots;
s32_t msg_authoritative_engine_time;
u8_t msg_user_name[SNMP_V3_MAX_USER_LENGTH];
u8_t msg_user_name_len;
u8_t msg_authentication_parameters[SNMP_V3_MAX_AUTH_PARAM_LENGTH];
u8_t msg_privacy_parameters[SNMP_V3_MAX_PRIV_PARAM_LENGTH];
u8_t context_engine_id[SNMP_V3_MAX_ENGINE_ID_LENGTH];
u8_t context_engine_id_len;
u8_t context_name[SNMP_V3_MAX_ENGINE_ID_LENGTH];
u8_t context_name_len;
#endif
struct pbuf *inbound_pbuf;
struct snmp_varbind_enumerator inbound_varbind_enumerator;
u16_t inbound_varbind_offset;
u16_t inbound_varbind_len;
u16_t inbound_padding_len;
struct pbuf *outbound_pbuf;
struct snmp_pbuf_stream outbound_pbuf_stream;
u16_t outbound_pdu_offset;
u16_t outbound_error_status_offset;
u16_t outbound_error_index_offset;
u16_t outbound_varbind_offset;
#if LWIP_SNMP_V3
u16_t outbound_msg_global_data_offset;
u16_t outbound_msg_global_data_end;
u16_t outbound_msg_security_parameters_str_offset;
u16_t outbound_msg_security_parameters_seq_offset;
u16_t outbound_msg_security_parameters_end;
u16_t outbound_msg_authentication_parameters_offset;
u16_t outbound_scoped_pdu_seq_offset;
u16_t outbound_scoped_pdu_string_offset;
#endif
u8_t value_buffer[SNMP_MAX_VALUE_SIZE];
};
/** A helper struct keeping length information about varbinds */
struct snmp_varbind_len
{
u8_t vb_len_len;
u16_t vb_value_len;
u8_t oid_len_len;
u16_t oid_value_len;
u8_t value_len_len;
u16_t value_value_len;
};
/** Agent community string */
extern const char *snmp_community;
/** Agent community string for write access */
extern const char *snmp_community_write;
/** handle for sending traps */
extern void* snmp_traps_handle;
void snmp_receive(void *handle, struct pbuf *p, const ip_addr_t *source_ip, u16_t port);
err_t snmp_sendto(void *handle, struct pbuf *p, const ip_addr_t *dst, u16_t port);
u8_t snmp_get_local_ip_for_dst(void* handle, const ip_addr_t *dst, ip_addr_t *result);
err_t snmp_varbind_length(struct snmp_varbind *varbind, struct snmp_varbind_len *len);
err_t snmp_append_outbound_varbind(struct snmp_pbuf_stream *pbuf_stream, struct snmp_varbind* varbind);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_SNMP */
#endif /* LWIP_HDR_APPS_SNMP_MSG_H */

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/**
* @file
* SNMP netconn frontend.
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP && SNMP_USE_NETCONN
#include <string.h>
#include "lwip/api.h"
#include "lwip/ip.h"
#include "lwip/udp.h"
#include "snmp_msg.h"
#include "lwip/sys.h"
/** SNMP netconn API worker thread */
static void
snmp_netconn_thread(void *arg)
{
struct netconn *conn;
struct netbuf *buf;
err_t err;
LWIP_UNUSED_ARG(arg);
/* Bind to SNMP port with default IP address */
#if LWIP_IPV6
conn = netconn_new(NETCONN_UDP_IPV6);
netconn_bind(conn, IP6_ADDR_ANY, SNMP_IN_PORT);
#else /* LWIP_IPV6 */
conn = netconn_new(NETCONN_UDP);
netconn_bind(conn, IP4_ADDR_ANY, SNMP_IN_PORT);
#endif /* LWIP_IPV6 */
LWIP_ERROR("snmp_netconn: invalid conn", (conn != NULL), return;);
snmp_traps_handle = conn;
do {
err = netconn_recv(conn, &buf);
if (err == ERR_OK) {
snmp_receive(conn, buf->p, &buf->addr, buf->port);
}
if (buf != NULL) {
netbuf_delete(buf);
}
} while(1);
}
err_t
snmp_sendto(void *handle, struct pbuf *p, const ip_addr_t *dst, u16_t port)
{
err_t result;
struct netbuf buf;
memset(&buf, 0, sizeof(buf));
buf.p = p;
result = netconn_sendto((struct netconn*)handle, &buf, dst, port);
return result;
}
u8_t
snmp_get_local_ip_for_dst(void* handle, const ip_addr_t *dst, ip_addr_t *result)
{
struct netconn* conn = (struct netconn*)handle;
struct netif *dst_if;
const ip_addr_t* dst_ip;
LWIP_UNUSED_ARG(conn); /* unused in case of IPV4 only configuration */
ip_route_get_local_ip(&conn->pcb.udp->local_ip, dst, dst_if, dst_ip);
if ((dst_if != NULL) && (dst_ip != NULL)) {
ip_addr_copy(*result, *dst_ip);
return 1;
} else {
return 0;
}
}
/**
* Starts SNMP Agent.
*/
void
snmp_init(void)
{
sys_thread_new("snmp_netconn", snmp_netconn_thread, NULL, SNMP_STACK_SIZE, SNMP_THREAD_PRIO);
}
#endif /* LWIP_SNMP && SNMP_USE_NETCONN */

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/**
* @file
* SNMP pbuf stream wrapper implementation (internal API, do not use in client code).
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "snmp_pbuf_stream.h"
#include "lwip/def.h"
#include <string.h>
err_t
snmp_pbuf_stream_init(struct snmp_pbuf_stream* pbuf_stream, struct pbuf* p, u16_t offset, u16_t length)
{
pbuf_stream->offset = offset;
pbuf_stream->length = length;
pbuf_stream->pbuf = p;
return ERR_OK;
}
err_t
snmp_pbuf_stream_read(struct snmp_pbuf_stream* pbuf_stream, u8_t* data)
{
if (pbuf_stream->length == 0) {
return ERR_BUF;
}
if (pbuf_copy_partial(pbuf_stream->pbuf, data, 1, pbuf_stream->offset) == 0) {
return ERR_BUF;
}
pbuf_stream->offset++;
pbuf_stream->length--;
return ERR_OK;
}
err_t
snmp_pbuf_stream_write(struct snmp_pbuf_stream* pbuf_stream, u8_t data)
{
return snmp_pbuf_stream_writebuf(pbuf_stream, &data, 1);
}
err_t
snmp_pbuf_stream_writebuf(struct snmp_pbuf_stream* pbuf_stream, const void* buf, u16_t buf_len)
{
if (pbuf_stream->length < buf_len) {
return ERR_BUF;
}
if (pbuf_take_at(pbuf_stream->pbuf, buf, buf_len, pbuf_stream->offset) != ERR_OK) {
return ERR_BUF;
}
pbuf_stream->offset += buf_len;
pbuf_stream->length -= buf_len;
return ERR_OK;
}
err_t
snmp_pbuf_stream_writeto(struct snmp_pbuf_stream* pbuf_stream, struct snmp_pbuf_stream* target_pbuf_stream, u16_t len)
{
if ((pbuf_stream == NULL) || (target_pbuf_stream == NULL)) {
return ERR_ARG;
}
if ((len > pbuf_stream->length) || (len > target_pbuf_stream->length)) {
return ERR_ARG;
}
if (len == 0) {
len = LWIP_MIN(pbuf_stream->length, target_pbuf_stream->length);
}
while (len > 0) {
u16_t chunk_len;
err_t err;
u16_t target_offset;
struct pbuf* pbuf = pbuf_skip(pbuf_stream->pbuf, pbuf_stream->offset, &target_offset);
if ((pbuf == NULL) || (pbuf->len == 0)) {
return ERR_BUF;
}
chunk_len = LWIP_MIN(len, pbuf->len);
err = snmp_pbuf_stream_writebuf(target_pbuf_stream, &((u8_t*)pbuf->payload)[target_offset], chunk_len);
if (err != ERR_OK) {
return err;
}
pbuf_stream->offset += chunk_len;
pbuf_stream->length -= chunk_len;
len -= chunk_len;
}
return ERR_OK;
}
err_t
snmp_pbuf_stream_seek(struct snmp_pbuf_stream* pbuf_stream, s32_t offset)
{
if ((offset < 0) || (offset > pbuf_stream->length)) {
/* we cannot seek backwards or forward behind stream end */
return ERR_ARG;
}
pbuf_stream->offset += (u16_t)offset;
pbuf_stream->length -= (u16_t)offset;
return ERR_OK;
}
err_t
snmp_pbuf_stream_seek_abs(struct snmp_pbuf_stream* pbuf_stream, u32_t offset)
{
s32_t rel_offset = offset - pbuf_stream->offset;
return snmp_pbuf_stream_seek(pbuf_stream, rel_offset);
}
#endif /* LWIP_SNMP */

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/**
* @file
* SNMP pbuf stream wrapper (internal API, do not use in client code).
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_PBUF_STREAM_H
#define LWIP_HDR_APPS_SNMP_PBUF_STREAM_H
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP
#include "lwip/err.h"
#include "lwip/pbuf.h"
#ifdef __cplusplus
extern "C" {
#endif
struct snmp_pbuf_stream
{
struct pbuf* pbuf;
u16_t offset;
u16_t length;
};
err_t snmp_pbuf_stream_init(struct snmp_pbuf_stream* pbuf_stream, struct pbuf* p, u16_t offset, u16_t length);
err_t snmp_pbuf_stream_read(struct snmp_pbuf_stream* pbuf_stream, u8_t* data);
err_t snmp_pbuf_stream_write(struct snmp_pbuf_stream* pbuf_stream, u8_t data);
err_t snmp_pbuf_stream_writebuf(struct snmp_pbuf_stream* pbuf_stream, const void* buf, u16_t buf_len);
err_t snmp_pbuf_stream_writeto(struct snmp_pbuf_stream* pbuf_stream, struct snmp_pbuf_stream* target_pbuf_stream, u16_t len);
err_t snmp_pbuf_stream_seek(struct snmp_pbuf_stream* pbuf_stream, s32_t offset);
err_t snmp_pbuf_stream_seek_abs(struct snmp_pbuf_stream* pbuf_stream, u32_t offset);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_SNMP */
#endif /* LWIP_HDR_APPS_SNMP_PBUF_STREAM_H */

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/**
* @file
* SNMP RAW API frontend.
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
*/
#include "lwip/apps/snmp_opts.h"
#include "lwip/ip_addr.h"
#if LWIP_SNMP && SNMP_USE_RAW
#include "lwip/udp.h"
#include "lwip/ip.h"
#include "snmp_msg.h"
/* lwIP UDP receive callback function */
static void
snmp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{
LWIP_UNUSED_ARG(arg);
snmp_receive(pcb, p, addr, port);
pbuf_free(p);
}
err_t
snmp_sendto(void *handle, struct pbuf *p, const ip_addr_t *dst, u16_t port)
{
return udp_sendto((struct udp_pcb*)handle, p, dst, port);
}
u8_t
snmp_get_local_ip_for_dst(void* handle, const ip_addr_t *dst, ip_addr_t *result)
{
struct udp_pcb* udp_pcb = (struct udp_pcb*)handle;
struct netif *dst_if;
const ip_addr_t* dst_ip;
LWIP_UNUSED_ARG(udp_pcb); /* unused in case of IPV4 only configuration */
ip_route_get_local_ip(&udp_pcb->local_ip, dst, dst_if, dst_ip);
if ((dst_if != NULL) && (dst_ip != NULL)) {
ip_addr_copy(*result, *dst_ip);
return 1;
} else {
return 0;
}
}
/**
* @ingroup snmp_core
* Starts SNMP Agent.
* Allocates UDP pcb and binds it to IP_ANY_TYPE port 161.
*/
void
snmp_init(void)
{
err_t err;
struct udp_pcb *snmp_pcb = udp_new_ip_type(IPADDR_TYPE_ANY);
LWIP_ERROR("snmp_raw: no PCB", (snmp_pcb != NULL), return;);
snmp_traps_handle = snmp_pcb;
udp_recv(snmp_pcb, snmp_recv, (void *)SNMP_IN_PORT);
err = udp_bind(snmp_pcb, IP_ANY_TYPE, SNMP_IN_PORT);
LWIP_ERROR("snmp_raw: Unable to bind PCB", (err == ERR_OK), return;);
}
#endif /* LWIP_SNMP && SNMP_USE_RAW */

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/**
* @file
* SNMP scalar node support implementation.
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "lwip/apps/snmp_scalar.h"
#include "lwip/apps/snmp_core.h"
static s16_t snmp_scalar_array_get_value(struct snmp_node_instance* instance, void* value);
static snmp_err_t snmp_scalar_array_set_test(struct snmp_node_instance* instance, u16_t value_len, void* value);
static snmp_err_t snmp_scalar_array_set_value(struct snmp_node_instance* instance, u16_t value_len, void* value);
snmp_err_t
snmp_scalar_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
const struct snmp_scalar_node* scalar_node = (const struct snmp_scalar_node*)(const void*)instance->node;
LWIP_UNUSED_ARG(root_oid);
LWIP_UNUSED_ARG(root_oid_len);
/* scalar only has one dedicated instance: .0 */
if ((instance->instance_oid.len != 1) || (instance->instance_oid.id[0] != 0)) {
return SNMP_ERR_NOSUCHINSTANCE;
}
instance->access = scalar_node->access;
instance->asn1_type = scalar_node->asn1_type;
instance->get_value = scalar_node->get_value;
instance->set_test = scalar_node->set_test;
instance->set_value = scalar_node->set_value;
return SNMP_ERR_NOERROR;
}
snmp_err_t
snmp_scalar_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
/* because our only instance is .0 we can only return a next instance if no instance oid is passed */
if (instance->instance_oid.len == 0) {
instance->instance_oid.len = 1;
instance->instance_oid.id[0] = 0;
return snmp_scalar_get_instance(root_oid, root_oid_len, instance);
}
return SNMP_ERR_NOSUCHINSTANCE;
}
snmp_err_t
snmp_scalar_array_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
LWIP_UNUSED_ARG(root_oid);
LWIP_UNUSED_ARG(root_oid_len);
if ((instance->instance_oid.len == 2) && (instance->instance_oid.id[1] == 0)) {
const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
const struct snmp_scalar_array_node_def* array_node_def = array_node->array_nodes;
u32_t i = 0;
while (i < array_node->array_node_count) {
if (array_node_def->oid == instance->instance_oid.id[0]) {
break;
}
array_node_def++;
i++;
}
if (i < array_node->array_node_count) {
instance->access = array_node_def->access;
instance->asn1_type = array_node_def->asn1_type;
instance->get_value = snmp_scalar_array_get_value;
instance->set_test = snmp_scalar_array_set_test;
instance->set_value = snmp_scalar_array_set_value;
instance->reference.const_ptr = array_node_def;
return SNMP_ERR_NOERROR;
}
}
return SNMP_ERR_NOSUCHINSTANCE;
}
snmp_err_t
snmp_scalar_array_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
const struct snmp_scalar_array_node_def* array_node_def = array_node->array_nodes;
const struct snmp_scalar_array_node_def* result = NULL;
LWIP_UNUSED_ARG(root_oid);
LWIP_UNUSED_ARG(root_oid_len);
if ((instance->instance_oid.len == 0) && (array_node->array_node_count > 0)) {
/* return node with lowest OID */
u16_t i = 0;
result = array_node_def;
array_node_def++;
for (i = 1; i < array_node->array_node_count; i++) {
if (array_node_def->oid < result->oid) {
result = array_node_def;
}
array_node_def++;
}
} else if (instance->instance_oid.len >= 1) {
if (instance->instance_oid.len == 1) {
/* if we have the requested OID we return its instance, otherwise we search for the next available */
u16_t i = 0;
while (i < array_node->array_node_count) {
if (array_node_def->oid == instance->instance_oid.id[0]) {
result = array_node_def;
break;
}
array_node_def++;
i++;
}
}
if (result == NULL) {
u32_t oid_dist = 0xFFFFFFFFUL;
u16_t i = 0;
array_node_def = array_node->array_nodes; /* may be already at the end when if case before was executed without result -> reinitialize to start */
while (i < array_node->array_node_count) {
if ((array_node_def->oid > instance->instance_oid.id[0]) &&
((u32_t)(array_node_def->oid - instance->instance_oid.id[0]) < oid_dist)) {
result = array_node_def;
oid_dist = array_node_def->oid - instance->instance_oid.id[0];
}
array_node_def++;
i++;
}
}
}
if (result == NULL) {
/* nothing to return */
return SNMP_ERR_NOSUCHINSTANCE;
}
instance->instance_oid.len = 2;
instance->instance_oid.id[0] = result->oid;
instance->instance_oid.id[1] = 0;
instance->access = result->access;
instance->asn1_type = result->asn1_type;
instance->get_value = snmp_scalar_array_get_value;
instance->set_test = snmp_scalar_array_set_test;
instance->set_value = snmp_scalar_array_set_value;
instance->reference.const_ptr = result;
return SNMP_ERR_NOERROR;
}
static s16_t
snmp_scalar_array_get_value(struct snmp_node_instance* instance, void* value)
{
const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
const struct snmp_scalar_array_node_def* array_node_def = (const struct snmp_scalar_array_node_def*)instance->reference.const_ptr;
return array_node->get_value(array_node_def, value);
}
static snmp_err_t
snmp_scalar_array_set_test(struct snmp_node_instance* instance, u16_t value_len, void* value)
{
const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
const struct snmp_scalar_array_node_def* array_node_def = (const struct snmp_scalar_array_node_def*)instance->reference.const_ptr;
return array_node->set_test(array_node_def, value_len, value);
}
static snmp_err_t
snmp_scalar_array_set_value(struct snmp_node_instance* instance, u16_t value_len, void* value)
{
const struct snmp_scalar_array_node* array_node = (const struct snmp_scalar_array_node*)(const void*)instance->node;
const struct snmp_scalar_array_node_def* array_node_def = (const struct snmp_scalar_array_node_def*)instance->reference.const_ptr;
return array_node->set_value(array_node_def, value_len, value);
}
#endif /* LWIP_SNMP */

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/**
* @file
* SNMP table support implementation.
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "lwip/apps/snmp_core.h"
#include "lwip/apps/snmp_table.h"
#include <string.h>
snmp_err_t snmp_table_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
snmp_err_t ret = SNMP_ERR_NOSUCHINSTANCE;
const struct snmp_table_node* table_node = (const struct snmp_table_node*)(const void*)instance->node;
LWIP_UNUSED_ARG(root_oid);
LWIP_UNUSED_ARG(root_oid_len);
/* check min. length (fixed row entry definition, column, row instance oid with at least one entry */
/* fixed row entry always has oid 1 */
if ((instance->instance_oid.len >= 3) && (instance->instance_oid.id[0] == 1)) {
/* search column */
const struct snmp_table_col_def* col_def = table_node->columns;
u16_t i = table_node->column_count;
while (i > 0) {
if (col_def->index == instance->instance_oid.id[1]) {
break;
}
col_def++;
i--;
}
if (i > 0) {
/* everything may be overwritten by get_cell_instance_method() in order to implement special handling for single columns/cells */
instance->asn1_type = col_def->asn1_type;
instance->access = col_def->access;
instance->get_value = table_node->get_value;
instance->set_test = table_node->set_test;
instance->set_value = table_node->set_value;
ret = table_node->get_cell_instance(
&(instance->instance_oid.id[1]),
&(instance->instance_oid.id[2]),
instance->instance_oid.len-2,
instance);
}
}
return ret;
}
snmp_err_t snmp_table_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
const struct snmp_table_node* table_node = (const struct snmp_table_node*)(const void*)instance->node;
const struct snmp_table_col_def* col_def;
struct snmp_obj_id row_oid;
u32_t column = 0;
snmp_err_t result;
LWIP_UNUSED_ARG(root_oid);
LWIP_UNUSED_ARG(root_oid_len);
/* check that first part of id is 0 or 1, referencing fixed row entry */
if ((instance->instance_oid.len > 0) && (instance->instance_oid.id[0] > 1)) {
return SNMP_ERR_NOSUCHINSTANCE;
}
if (instance->instance_oid.len > 1) {
column = instance->instance_oid.id[1];
}
if (instance->instance_oid.len > 2) {
snmp_oid_assign(&row_oid, &(instance->instance_oid.id[2]), instance->instance_oid.len - 2);
} else {
row_oid.len = 0;
}
instance->get_value = table_node->get_value;
instance->set_test = table_node->set_test;
instance->set_value = table_node->set_value;
/* resolve column and value */
do {
u16_t i;
const struct snmp_table_col_def* next_col_def = NULL;
col_def = table_node->columns;
for (i = 0; i < table_node->column_count; i++) {
if (col_def->index == column) {
next_col_def = col_def;
break;
} else if ((col_def->index > column) && ((next_col_def == NULL) || (col_def->index < next_col_def->index))) {
next_col_def = col_def;
}
col_def++;
}
if (next_col_def == NULL) {
/* no further column found */
return SNMP_ERR_NOSUCHINSTANCE;
}
instance->asn1_type = next_col_def->asn1_type;
instance->access = next_col_def->access;
result = table_node->get_next_cell_instance(
&next_col_def->index,
&row_oid,
instance);
if (result == SNMP_ERR_NOERROR) {
col_def = next_col_def;
break;
}
row_oid.len = 0; /* reset row_oid because we switch to next column and start with the first entry there */
column = next_col_def->index + 1;
} while (1);
/* build resulting oid */
instance->instance_oid.len = 2;
instance->instance_oid.id[0] = 1;
instance->instance_oid.id[1] = col_def->index;
snmp_oid_append(&instance->instance_oid, row_oid.id, row_oid.len);
return SNMP_ERR_NOERROR;
}
snmp_err_t snmp_table_simple_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
snmp_err_t ret = SNMP_ERR_NOSUCHINSTANCE;
const struct snmp_table_simple_node* table_node = (const struct snmp_table_simple_node*)(const void*)instance->node;
LWIP_UNUSED_ARG(root_oid);
LWIP_UNUSED_ARG(root_oid_len);
/* check min. length (fixed row entry definition, column, row instance oid with at least one entry */
/* fixed row entry always has oid 1 */
if ((instance->instance_oid.len >= 3) && (instance->instance_oid.id[0] == 1)) {
ret = table_node->get_cell_value(
&(instance->instance_oid.id[1]),
&(instance->instance_oid.id[2]),
instance->instance_oid.len-2,
&instance->reference,
&instance->reference_len);
if (ret == SNMP_ERR_NOERROR) {
/* search column */
const struct snmp_table_simple_col_def* col_def = table_node->columns;
u32_t i = table_node->column_count;
while (i > 0) {
if (col_def->index == instance->instance_oid.id[1]) {
break;
}
col_def++;
i--;
}
if (i > 0) {
instance->asn1_type = col_def->asn1_type;
instance->access = SNMP_NODE_INSTANCE_READ_ONLY;
instance->set_test = NULL;
instance->set_value = NULL;
switch (col_def->data_type) {
case SNMP_VARIANT_VALUE_TYPE_U32:
instance->get_value = snmp_table_extract_value_from_u32ref;
break;
case SNMP_VARIANT_VALUE_TYPE_S32:
instance->get_value = snmp_table_extract_value_from_s32ref;
break;
case SNMP_VARIANT_VALUE_TYPE_PTR: /* fall through */
case SNMP_VARIANT_VALUE_TYPE_CONST_PTR:
instance->get_value = snmp_table_extract_value_from_refconstptr;
break;
default:
LWIP_DEBUGF(SNMP_DEBUG, ("snmp_table_simple_get_instance(): unknown column data_type: %d\n", col_def->data_type));
return SNMP_ERR_GENERROR;
}
ret = SNMP_ERR_NOERROR;
} else {
ret = SNMP_ERR_NOSUCHINSTANCE;
}
}
}
return ret;
}
snmp_err_t snmp_table_simple_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
const struct snmp_table_simple_node* table_node = (const struct snmp_table_simple_node*)(const void*)instance->node;
const struct snmp_table_simple_col_def* col_def;
struct snmp_obj_id row_oid;
u32_t column = 0;
snmp_err_t result;
LWIP_UNUSED_ARG(root_oid);
LWIP_UNUSED_ARG(root_oid_len);
/* check that first part of id is 0 or 1, referencing fixed row entry */
if ((instance->instance_oid.len > 0) && (instance->instance_oid.id[0] > 1)) {
return SNMP_ERR_NOSUCHINSTANCE;
}
if (instance->instance_oid.len > 1) {
column = instance->instance_oid.id[1];
}
if (instance->instance_oid.len > 2) {
snmp_oid_assign(&row_oid, &(instance->instance_oid.id[2]), instance->instance_oid.len - 2);
} else {
row_oid.len = 0;
}
/* resolve column and value */
do {
u32_t i;
const struct snmp_table_simple_col_def* next_col_def = NULL;
col_def = table_node->columns;
for (i = 0; i < table_node->column_count; i++) {
if (col_def->index == column) {
next_col_def = col_def;
break;
} else if ((col_def->index > column) && ((next_col_def == NULL) ||
(col_def->index < next_col_def->index))) {
next_col_def = col_def;
}
col_def++;
}
if (next_col_def == NULL) {
/* no further column found */
return SNMP_ERR_NOSUCHINSTANCE;
}
result = table_node->get_next_cell_instance_and_value(
&next_col_def->index,
&row_oid,
&instance->reference,
&instance->reference_len);
if (result == SNMP_ERR_NOERROR) {
col_def = next_col_def;
break;
}
row_oid.len = 0; /* reset row_oid because we switch to next column and start with the first entry there */
column = next_col_def->index + 1;
}
while (1);
instance->asn1_type = col_def->asn1_type;
instance->access = SNMP_NODE_INSTANCE_READ_ONLY;
instance->set_test = NULL;
instance->set_value = NULL;
switch (col_def->data_type) {
case SNMP_VARIANT_VALUE_TYPE_U32:
instance->get_value = snmp_table_extract_value_from_u32ref;
break;
case SNMP_VARIANT_VALUE_TYPE_S32:
instance->get_value = snmp_table_extract_value_from_s32ref;
break;
case SNMP_VARIANT_VALUE_TYPE_PTR: /* fall through */
case SNMP_VARIANT_VALUE_TYPE_CONST_PTR:
instance->get_value = snmp_table_extract_value_from_refconstptr;
break;
default:
LWIP_DEBUGF(SNMP_DEBUG, ("snmp_table_simple_get_instance(): unknown column data_type: %d\n", col_def->data_type));
return SNMP_ERR_GENERROR;
}
/* build resulting oid */
instance->instance_oid.len = 2;
instance->instance_oid.id[0] = 1;
instance->instance_oid.id[1] = col_def->index;
snmp_oid_append(&instance->instance_oid, row_oid.id, row_oid.len);
return SNMP_ERR_NOERROR;
}
s16_t
snmp_table_extract_value_from_s32ref(struct snmp_node_instance* instance, void* value)
{
s32_t *dst = (s32_t*)value;
*dst = instance->reference.s32;
return sizeof(*dst);
}
s16_t
snmp_table_extract_value_from_u32ref(struct snmp_node_instance* instance, void* value)
{
u32_t *dst = (u32_t*)value;
*dst = instance->reference.u32;
return sizeof(*dst);
}
s16_t
snmp_table_extract_value_from_refconstptr(struct snmp_node_instance* instance, void* value)
{
MEMCPY(value, instance->reference.const_ptr, instance->reference_len);
return (u16_t)instance->reference_len;
}
#endif /* LWIP_SNMP */

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/**
* @file
* SNMP thread synchronization implementation.
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP && (NO_SYS == 0) /* don't build if not configured for use in lwipopts.h */
#include "lwip/apps/snmp_threadsync.h"
#include "lwip/apps/snmp_core.h"
#include "lwip/sys.h"
#include <string.h>
static void
call_synced_function(struct threadsync_data *call_data, snmp_threadsync_called_fn fn)
{
sys_mutex_lock(&call_data->threadsync_node->instance->sem_usage_mutex);
call_data->threadsync_node->instance->sync_fn(fn, call_data);
sys_sem_wait(&call_data->threadsync_node->instance->sem);
sys_mutex_unlock(&call_data->threadsync_node->instance->sem_usage_mutex);
}
static void
threadsync_get_value_synced(void *ctx)
{
struct threadsync_data *call_data = (struct threadsync_data*)ctx;
call_data->retval.s16 = call_data->proxy_instance.get_value(&call_data->proxy_instance, call_data->arg1.value);
sys_sem_signal(&call_data->threadsync_node->instance->sem);
}
static s16_t
threadsync_get_value(struct snmp_node_instance* instance, void* value)
{
struct threadsync_data *call_data = (struct threadsync_data*)instance->reference.ptr;
call_data->arg1.value = value;
call_synced_function(call_data, threadsync_get_value_synced);
return call_data->retval.s16;
}
static void
threadsync_set_test_synced(void *ctx)
{
struct threadsync_data *call_data = (struct threadsync_data*)ctx;
call_data->retval.err = call_data->proxy_instance.set_test(&call_data->proxy_instance, call_data->arg2.len, call_data->arg1.value);
sys_sem_signal(&call_data->threadsync_node->instance->sem);
}
static snmp_err_t
threadsync_set_test(struct snmp_node_instance* instance, u16_t len, void *value)
{
struct threadsync_data *call_data = (struct threadsync_data*)instance->reference.ptr;
call_data->arg1.value = value;
call_data->arg2.len = len;
call_synced_function(call_data, threadsync_set_test_synced);
return call_data->retval.err;
}
static void
threadsync_set_value_synced(void *ctx)
{
struct threadsync_data *call_data = (struct threadsync_data*)ctx;
call_data->retval.err = call_data->proxy_instance.set_value(&call_data->proxy_instance, call_data->arg2.len, call_data->arg1.value);
sys_sem_signal(&call_data->threadsync_node->instance->sem);
}
static snmp_err_t
threadsync_set_value(struct snmp_node_instance* instance, u16_t len, void *value)
{
struct threadsync_data *call_data = (struct threadsync_data*)instance->reference.ptr;
call_data->arg1.value = value;
call_data->arg2.len = len;
call_synced_function(call_data, threadsync_set_value_synced);
return call_data->retval.err;
}
static void
threadsync_release_instance_synced(void* ctx)
{
struct threadsync_data *call_data = (struct threadsync_data*)ctx;
call_data->proxy_instance.release_instance(&call_data->proxy_instance);
sys_sem_signal(&call_data->threadsync_node->instance->sem);
}
static void
threadsync_release_instance(struct snmp_node_instance *instance)
{
struct threadsync_data *call_data = (struct threadsync_data*)instance->reference.ptr;
if (call_data->proxy_instance.release_instance != NULL) {
call_synced_function(call_data, threadsync_release_instance_synced);
}
}
static void
get_instance_synced(void* ctx)
{
struct threadsync_data *call_data = (struct threadsync_data*)ctx;
const struct snmp_leaf_node *leaf = (const struct snmp_leaf_node*)(const void*)call_data->proxy_instance.node;
call_data->retval.err = leaf->get_instance(call_data->arg1.root_oid, call_data->arg2.root_oid_len, &call_data->proxy_instance);
sys_sem_signal(&call_data->threadsync_node->instance->sem);
}
static void
get_next_instance_synced(void* ctx)
{
struct threadsync_data *call_data = (struct threadsync_data*)ctx;
const struct snmp_leaf_node *leaf = (const struct snmp_leaf_node*)(const void*)call_data->proxy_instance.node;
call_data->retval.err = leaf->get_next_instance(call_data->arg1.root_oid, call_data->arg2.root_oid_len, &call_data->proxy_instance);
sys_sem_signal(&call_data->threadsync_node->instance->sem);
}
static snmp_err_t
do_sync(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance, snmp_threadsync_called_fn fn)
{
const struct snmp_threadsync_node *threadsync_node = (const struct snmp_threadsync_node*)(const void*)instance->node;
struct threadsync_data *call_data = &threadsync_node->instance->data;
if (threadsync_node->node.node.oid != threadsync_node->target->node.oid) {
LWIP_DEBUGF(SNMP_DEBUG, ("Sync node OID does not match target node OID"));
return SNMP_ERR_NOSUCHINSTANCE;
}
memset(&call_data->proxy_instance, 0, sizeof(call_data->proxy_instance));
instance->reference.ptr = call_data;
snmp_oid_assign(&call_data->proxy_instance.instance_oid, instance->instance_oid.id, instance->instance_oid.len);
call_data->proxy_instance.node = &threadsync_node->target->node;
call_data->threadsync_node = threadsync_node;
call_data->arg1.root_oid = root_oid;
call_data->arg2.root_oid_len = root_oid_len;
call_synced_function(call_data, fn);
if (call_data->retval.err == SNMP_ERR_NOERROR) {
instance->access = call_data->proxy_instance.access;
instance->asn1_type = call_data->proxy_instance.asn1_type;
instance->release_instance = threadsync_release_instance;
instance->get_value = (call_data->proxy_instance.get_value != NULL)? threadsync_get_value : NULL;
instance->set_value = (call_data->proxy_instance.set_value != NULL)? threadsync_set_value : NULL;
instance->set_test = (call_data->proxy_instance.set_test != NULL)? threadsync_set_test : NULL;
snmp_oid_assign(&instance->instance_oid, call_data->proxy_instance.instance_oid.id, call_data->proxy_instance.instance_oid.len);
}
return call_data->retval.err;
}
snmp_err_t
snmp_threadsync_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
return do_sync(root_oid, root_oid_len, instance, get_instance_synced);
}
snmp_err_t
snmp_threadsync_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance)
{
return do_sync(root_oid, root_oid_len, instance, get_next_instance_synced);
}
/** Initializes thread synchronization instance */
void snmp_threadsync_init(struct snmp_threadsync_instance *instance, snmp_threadsync_synchronizer_fn sync_fn)
{
err_t err = sys_mutex_new(&instance->sem_usage_mutex);
LWIP_ASSERT("Failed to set up mutex", err == ERR_OK);
err = sys_sem_new(&instance->sem, 0);
LWIP_UNUSED_ARG(err); /* in case of LWIP_NOASSERT */
LWIP_ASSERT("Failed to set up semaphore", err == ERR_OK);
instance->sync_fn = sync_fn;
}
#endif /* LWIP_SNMP */

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/**
* @file
* SNMPv1 traps implementation.
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel
* Christiaan Simons <christiaan.simons@axon.tv>
*
*/
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include <string.h>
#include "lwip/snmp.h"
#include "lwip/sys.h"
#include "lwip/apps/snmp.h"
#include "lwip/apps/snmp_core.h"
#include "snmp_msg.h"
#include "snmp_asn1.h"
#include "snmp_core_priv.h"
struct snmp_msg_trap
{
/* source enterprise ID (sysObjectID) */
const struct snmp_obj_id *enterprise;
/* source IP address, raw network order format */
ip_addr_t sip;
/* generic trap code */
u32_t gen_trap;
/* specific trap code */
u32_t spc_trap;
/* timestamp */
u32_t ts;
/* snmp_version */
u32_t snmp_version;
/* output trap lengths used in ASN encoding */
/* encoding pdu length */
u16_t pdulen;
/* encoding community length */
u16_t comlen;
/* encoding sequence length */
u16_t seqlen;
/* encoding varbinds sequence length */
u16_t vbseqlen;
};
static u16_t snmp_trap_varbind_sum(struct snmp_msg_trap *trap, struct snmp_varbind *varbinds);
static u16_t snmp_trap_header_sum(struct snmp_msg_trap *trap, u16_t vb_len);
static void snmp_trap_header_enc(struct snmp_msg_trap *trap, struct snmp_pbuf_stream *pbuf_stream);
static void snmp_trap_varbind_enc(struct snmp_msg_trap *trap, struct snmp_pbuf_stream *pbuf_stream, struct snmp_varbind *varbinds);
/** Agent community string for sending traps */
extern const char *snmp_community_trap;
void* snmp_traps_handle;
struct snmp_trap_dst
{
/* destination IP address in network order */
ip_addr_t dip;
/* set to 0 when disabled, >0 when enabled */
u8_t enable;
};
static struct snmp_trap_dst trap_dst[SNMP_TRAP_DESTINATIONS];
static u8_t snmp_auth_traps_enabled = 0;
/**
* @ingroup snmp_traps
* Sets enable switch for this trap destination.
* @param dst_idx index in 0 .. SNMP_TRAP_DESTINATIONS-1
* @param enable switch if 0 destination is disabled >0 enabled.
*/
void
snmp_trap_dst_enable(u8_t dst_idx, u8_t enable)
{
if (dst_idx < SNMP_TRAP_DESTINATIONS) {
trap_dst[dst_idx].enable = enable;
}
}
/**
* @ingroup snmp_traps
* Sets IPv4 address for this trap destination.
* @param dst_idx index in 0 .. SNMP_TRAP_DESTINATIONS-1
* @param dst IPv4 address in host order.
*/
void
snmp_trap_dst_ip_set(u8_t dst_idx, const ip_addr_t *dst)
{
if (dst_idx < SNMP_TRAP_DESTINATIONS) {
ip_addr_set(&trap_dst[dst_idx].dip, dst);
}
}
/**
* @ingroup snmp_traps
* Enable/disable authentication traps
*/
void
snmp_set_auth_traps_enabled(u8_t enable)
{
snmp_auth_traps_enabled = enable;
}
/**
* @ingroup snmp_traps
* Get authentication traps enabled state
*/
u8_t
snmp_get_auth_traps_enabled(void)
{
return snmp_auth_traps_enabled;
}
/**
* @ingroup snmp_traps
* Sends a generic or enterprise specific trap message.
*
* @param eoid points to enterprise object identifier
* @param generic_trap is the trap code
* @param specific_trap used for enterprise traps when generic_trap == 6
* @param varbinds linked list of varbinds to be sent
* @return ERR_OK when success, ERR_MEM if we're out of memory
*
* @note the use of the enterprise identifier field
* is per RFC1215.
* Use .iso.org.dod.internet.mgmt.mib-2.snmp for generic traps
* and .iso.org.dod.internet.private.enterprises.yourenterprise
* (sysObjectID) for specific traps.
*/
err_t
snmp_send_trap(const struct snmp_obj_id* eoid, s32_t generic_trap, s32_t specific_trap, struct snmp_varbind *varbinds)
{
struct snmp_msg_trap trap_msg;
struct snmp_trap_dst *td;
struct pbuf *p;
u16_t i, tot_len;
err_t err = ERR_OK;
trap_msg.snmp_version = 0;
for (i = 0, td = &trap_dst[0]; i < SNMP_TRAP_DESTINATIONS; i++, td++) {
if ((td->enable != 0) && !ip_addr_isany(&td->dip)) {
/* lookup current source address for this dst */
if (snmp_get_local_ip_for_dst(snmp_traps_handle, &td->dip, &trap_msg.sip)) {
if (eoid == NULL) {
trap_msg.enterprise = snmp_get_device_enterprise_oid();
} else {
trap_msg.enterprise = eoid;
}
trap_msg.gen_trap = generic_trap;
if (generic_trap == SNMP_GENTRAP_ENTERPRISE_SPECIFIC) {
trap_msg.spc_trap = specific_trap;
} else {
trap_msg.spc_trap = 0;
}
MIB2_COPY_SYSUPTIME_TO(&trap_msg.ts);
/* pass 0, calculate length fields */
tot_len = snmp_trap_varbind_sum(&trap_msg, varbinds);
tot_len = snmp_trap_header_sum(&trap_msg, tot_len);
/* allocate pbuf(s) */
p = pbuf_alloc(PBUF_TRANSPORT, tot_len, PBUF_RAM);
if (p != NULL) {
struct snmp_pbuf_stream pbuf_stream;
snmp_pbuf_stream_init(&pbuf_stream, p, 0, tot_len);
/* pass 1, encode packet ino the pbuf(s) */
snmp_trap_header_enc(&trap_msg, &pbuf_stream);
snmp_trap_varbind_enc(&trap_msg, &pbuf_stream, varbinds);
snmp_stats.outtraps++;
snmp_stats.outpkts++;
/** send to the TRAP destination */
snmp_sendto(snmp_traps_handle, p, &td->dip, SNMP_TRAP_PORT);
pbuf_free(p);
} else {
err = ERR_MEM;
}
} else {
/* routing error */
err = ERR_RTE;
}
}
}
return err;
}
/**
* @ingroup snmp_traps
* Send generic SNMP trap
*/
err_t
snmp_send_trap_generic(s32_t generic_trap)
{
static const struct snmp_obj_id oid = { 7, { 1, 3, 6, 1, 2, 1, 11 } };
return snmp_send_trap(&oid, generic_trap, 0, NULL);
}
/**
* @ingroup snmp_traps
* Send specific SNMP trap with variable bindings
*/
err_t
snmp_send_trap_specific(s32_t specific_trap, struct snmp_varbind *varbinds)
{
return snmp_send_trap(NULL, SNMP_GENTRAP_ENTERPRISE_SPECIFIC, specific_trap, varbinds);
}
/**
* @ingroup snmp_traps
* Send coldstart trap
*/
void
snmp_coldstart_trap(void)
{
snmp_send_trap_generic(SNMP_GENTRAP_COLDSTART);
}
/**
* @ingroup snmp_traps
* Send authentication failure trap (used internally by agent)
*/
void
snmp_authfail_trap(void)
{
if (snmp_auth_traps_enabled != 0) {
snmp_send_trap_generic(SNMP_GENTRAP_AUTH_FAILURE);
}
}
static u16_t
snmp_trap_varbind_sum(struct snmp_msg_trap *trap, struct snmp_varbind *varbinds)
{
struct snmp_varbind *varbind;
u16_t tot_len;
u8_t tot_len_len;
tot_len = 0;
varbind = varbinds;
while (varbind != NULL) {
struct snmp_varbind_len len;
if (snmp_varbind_length(varbind, &len) == ERR_OK) {
tot_len += 1 + len.vb_len_len + len.vb_value_len;
}
varbind = varbind->next;
}
trap->vbseqlen = tot_len;
snmp_asn1_enc_length_cnt(trap->vbseqlen, &tot_len_len);
tot_len += 1 + tot_len_len;
return tot_len;
}
/**
* Sums trap header field lengths from tail to head and
* returns trap_header_lengths for second encoding pass.
*
* @param trap Trap message
* @param vb_len varbind-list length
* @return the required length for encoding the trap header
*/
static u16_t
snmp_trap_header_sum(struct snmp_msg_trap *trap, u16_t vb_len)
{
u16_t tot_len;
u16_t len;
u8_t lenlen;
tot_len = vb_len;
snmp_asn1_enc_u32t_cnt(trap->ts, &len);
snmp_asn1_enc_length_cnt(len, &lenlen);
tot_len += 1 + len + lenlen;
snmp_asn1_enc_s32t_cnt(trap->spc_trap, &len);
snmp_asn1_enc_length_cnt(len, &lenlen);
tot_len += 1 + len + lenlen;
snmp_asn1_enc_s32t_cnt(trap->gen_trap, &len);
snmp_asn1_enc_length_cnt(len, &lenlen);
tot_len += 1 + len + lenlen;
if (IP_IS_V6_VAL(trap->sip)) {
#if LWIP_IPV6
len = sizeof(ip_2_ip6(&trap->sip)->addr);
#endif
} else {
#if LWIP_IPV4
len = sizeof(ip_2_ip4(&trap->sip)->addr);
#endif
}
snmp_asn1_enc_length_cnt(len, &lenlen);
tot_len += 1 + len + lenlen;
snmp_asn1_enc_oid_cnt(trap->enterprise->id, trap->enterprise->len, &len);
snmp_asn1_enc_length_cnt(len, &lenlen);
tot_len += 1 + len + lenlen;
trap->pdulen = tot_len;
snmp_asn1_enc_length_cnt(trap->pdulen, &lenlen);
tot_len += 1 + lenlen;
trap->comlen = (u16_t)LWIP_MIN(strlen(snmp_community_trap), 0xFFFF);
snmp_asn1_enc_length_cnt(trap->comlen, &lenlen);
tot_len += 1 + lenlen + trap->comlen;
snmp_asn1_enc_s32t_cnt(trap->snmp_version, &len);
snmp_asn1_enc_length_cnt(len, &lenlen);
tot_len += 1 + len + lenlen;
trap->seqlen = tot_len;
snmp_asn1_enc_length_cnt(trap->seqlen, &lenlen);
tot_len += 1 + lenlen;
return tot_len;
}
static void
snmp_trap_varbind_enc(struct snmp_msg_trap *trap, struct snmp_pbuf_stream *pbuf_stream, struct snmp_varbind *varbinds)
{
struct snmp_asn1_tlv tlv;
struct snmp_varbind *varbind;
varbind = varbinds;
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_SEQUENCE, 0, trap->vbseqlen);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
while (varbind != NULL) {
snmp_append_outbound_varbind(pbuf_stream, varbind);
varbind = varbind->next;
}
}
/**
* Encodes trap header from head to tail.
*/
static void
snmp_trap_header_enc(struct snmp_msg_trap *trap, struct snmp_pbuf_stream *pbuf_stream)
{
struct snmp_asn1_tlv tlv;
/* 'Message' sequence */
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_SEQUENCE, 0, trap->seqlen);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
/* version */
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_INTEGER, 0, 0);
snmp_asn1_enc_s32t_cnt(trap->snmp_version, &tlv.value_len);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_s32t(pbuf_stream, tlv.value_len, trap->snmp_version);
/* community */
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_OCTET_STRING, 0, trap->comlen);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_raw(pbuf_stream, (const u8_t *)snmp_community_trap, trap->comlen);
/* 'PDU' sequence */
SNMP_ASN1_SET_TLV_PARAMS(tlv, (SNMP_ASN1_CLASS_CONTEXT | SNMP_ASN1_CONTENTTYPE_CONSTRUCTED | SNMP_ASN1_CONTEXT_PDU_TRAP), 0, trap->pdulen);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
/* object ID */
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_OBJECT_ID, 0, 0);
snmp_asn1_enc_oid_cnt(trap->enterprise->id, trap->enterprise->len, &tlv.value_len);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_oid(pbuf_stream, trap->enterprise->id, trap->enterprise->len);
/* IP addr */
if (IP_IS_V6_VAL(trap->sip)) {
#if LWIP_IPV6
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_IPADDR, 0, sizeof(ip_2_ip6(&trap->sip)->addr));
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_raw(pbuf_stream, (const u8_t *)&ip_2_ip6(&trap->sip)->addr, sizeof(ip_2_ip6(&trap->sip)->addr));
#endif
} else {
#if LWIP_IPV4
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_IPADDR, 0, sizeof(ip_2_ip4(&trap->sip)->addr));
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_raw(pbuf_stream, (const u8_t *)&ip_2_ip4(&trap->sip)->addr, sizeof(ip_2_ip4(&trap->sip)->addr));
#endif
}
/* trap length */
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_INTEGER, 0, 0);
snmp_asn1_enc_s32t_cnt(trap->gen_trap, &tlv.value_len);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_s32t(pbuf_stream, tlv.value_len, trap->gen_trap);
/* specific trap */
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_INTEGER, 0, 0);
snmp_asn1_enc_s32t_cnt(trap->spc_trap, &tlv.value_len);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_s32t(pbuf_stream, tlv.value_len, trap->spc_trap);
/* timestamp */
SNMP_ASN1_SET_TLV_PARAMS(tlv, SNMP_ASN1_TYPE_TIMETICKS, 0, 0);
snmp_asn1_enc_s32t_cnt(trap->ts, &tlv.value_len);
snmp_ans1_enc_tlv(pbuf_stream, &tlv);
snmp_asn1_enc_s32t(pbuf_stream, tlv.value_len, trap->ts);
}
#endif /* LWIP_SNMP */

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/**
* @file
* Additional SNMPv3 functionality RFC3414 and RFC3826.
*/
/*
* Copyright (c) 2016 Elias Oenal.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Elias Oenal <lwip@eliasoenal.com>
*/
#include "snmpv3_priv.h"
#include "lwip/apps/snmpv3.h"
#include "lwip/sys.h"
#include <string.h>
#if LWIP_SNMP && LWIP_SNMP_V3
#ifdef LWIP_SNMPV3_INCLUDE_ENGINE
#include LWIP_SNMPV3_INCLUDE_ENGINE
#endif
#define SNMP_MAX_TIME_BOOT 2147483647UL
/** Call this if engine has been changed. Has to reset boots, see below */
void
snmpv3_engine_id_changed(void)
{
snmpv3_set_engine_boots(0);
}
/** According to RFC3414 2.2.2.
*
* The number of times that the SNMP engine has
* (re-)initialized itself since snmpEngineID
* was last configured.
*/
u32_t
snmpv3_get_engine_boots_internal(void)
{
if (snmpv3_get_engine_boots() == 0 ||
snmpv3_get_engine_boots() < SNMP_MAX_TIME_BOOT) {
return snmpv3_get_engine_boots();
}
snmpv3_set_engine_boots(SNMP_MAX_TIME_BOOT);
return snmpv3_get_engine_boots();
}
/** RFC3414 2.2.2.
*
* Once the timer reaches 2147483647 it gets reset to zero and the
* engine boot ups get incremented.
*/
u32_t
snmpv3_get_engine_time_internal(void)
{
if (snmpv3_get_engine_time() >= SNMP_MAX_TIME_BOOT) {
snmpv3_reset_engine_time();
if (snmpv3_get_engine_boots() < SNMP_MAX_TIME_BOOT - 1) {
snmpv3_set_engine_boots(snmpv3_get_engine_boots() + 1);
} else {
snmpv3_set_engine_boots(SNMP_MAX_TIME_BOOT);
}
}
return snmpv3_get_engine_time();
}
#if LWIP_SNMP_V3_CRYPTO
/* This function ignores the byte order suggestion in RFC3414
* since it simply doesn't influence the effectiveness of an IV.
*
* Implementing RFC3826 priv param algorithm if LWIP_RAND is available.
*
* @todo: This is a potential thread safety issue.
*/
err_t
snmpv3_build_priv_param(u8_t* priv_param)
{
#ifdef LWIP_RAND /* Based on RFC3826 */
static u8_t init;
static u32_t priv1, priv2;
/* Lazy initialisation */
if (init == 0) {
init = 1;
priv1 = LWIP_RAND();
priv2 = LWIP_RAND();
}
SMEMCPY(&priv_param[0], &priv1, sizeof(priv1));
SMEMCPY(&priv_param[4], &priv2, sizeof(priv2));
/* Emulate 64bit increment */
priv1++;
if (!priv1) { /* Overflow */
priv2++;
}
#else /* Based on RFC3414 */
static u32_t ctr;
u32_t boots = LWIP_SNMPV3_GET_ENGINE_BOOTS();
SMEMCPY(&priv_param[0], &boots, 4);
SMEMCPY(&priv_param[4], &ctr, 4);
ctr++;
#endif
return ERR_OK;
}
#endif /* LWIP_SNMP_V3_CRYPTO */
#endif

145
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/**
* @file
* Dummy SNMPv3 functions.
*/
/*
* Copyright (c) 2016 Elias Oenal.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Elias Oenal <lwip@eliasoenal.com>
* Dirk Ziegelmeier <dirk@ziegelmeier.net>
*/
#include "lwip/apps/snmpv3.h"
#include "snmpv3_priv.h"
#include <string.h>
#include "lwip/err.h"
#if LWIP_SNMP && LWIP_SNMP_V3
/**
* @param username is a pointer to a string.
* @param auth_algo is a pointer to u8_t. The implementation has to set this if user was found.
* @param auth_key is a pointer to a pointer to a string. Implementation has to set this if user was found.
* @param priv_algo is a pointer to u8_t. The implementation has to set this if user was found.
* @param priv_key is a pointer to a pointer to a string. Implementation has to set this if user was found.
*/
err_t
snmpv3_get_user(const char* username, u8_t *auth_algo, u8_t *auth_key, u8_t *priv_algo, u8_t *priv_key)
{
const char* engine_id;
u8_t engine_id_len;
if(strlen(username) == 0) {
return ERR_OK;
}
if(memcmp(username, "lwip", 4) != 0) {
return ERR_VAL;
}
snmpv3_get_engine_id(&engine_id, &engine_id_len);
if(auth_key != NULL) {
snmpv3_password_to_key_sha((const u8_t*)"maplesyrup", 10,
(const u8_t*)engine_id, engine_id_len,
auth_key);
*auth_algo = SNMP_V3_AUTH_ALGO_SHA;
}
if(priv_key != NULL) {
snmpv3_password_to_key_sha((const u8_t*)"maplesyrup", 10,
(const u8_t*)engine_id, engine_id_len,
priv_key);
*priv_algo = SNMP_V3_PRIV_ALGO_DES;
}
return ERR_OK;
}
/**
* Get engine ID from persistence
* @param id
* @param len
*/
void
snmpv3_get_engine_id(const char **id, u8_t *len)
{
*id = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02";
*len = 12;
}
/**
* Store engine ID in persistence
* @param id
* @param len
*/
err_t
snmpv3_set_engine_id(const char *id, u8_t len)
{
LWIP_UNUSED_ARG(id);
LWIP_UNUSED_ARG(len);
return ERR_OK;
}
/**
* Get engine boots from persistence. Must be increased on each boot.
* @return
*/
u32_t
snmpv3_get_engine_boots(void)
{
return 0;
}
/**
* Store engine boots in persistence
* @param boots
*/
void
snmpv3_set_engine_boots(u32_t boots)
{
LWIP_UNUSED_ARG(boots);
}
/**
* RFC3414 2.2.2.
* Once the timer reaches 2147483647 it gets reset to zero and the
* engine boot ups get incremented.
*/
u32_t
snmpv3_get_engine_time(void)
{
return 0;
}
/**
* Reset current engine time to 0
*/
void
snmpv3_reset_engine_time(void)
{
}
#endif /* LWIP_SNMP && LWIP_SNMP_V3 */

331
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/**
* @file
* SNMPv3 crypto/auth functions implemented for ARM mbedtls.
*/
/*
* Copyright (c) 2016 Elias Oenal and Dirk Ziegelmeier.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Elias Oenal <lwip@eliasoenal.com>
* Dirk Ziegelmeier <dirk@ziegelmeier.net>
*/
#include "lwip/apps/snmpv3.h"
#include "snmpv3_priv.h"
#include "lwip/arch.h"
#include "snmp_msg.h"
#include "lwip/sys.h"
#include <string.h>
#if LWIP_SNMP && LWIP_SNMP_V3 && LWIP_SNMP_V3_MBEDTLS
#include "mbedtls/md.h"
#include "mbedtls/cipher.h"
#include "mbedtls/md5.h"
#include "mbedtls/sha1.h"
err_t
snmpv3_auth(struct snmp_pbuf_stream* stream, u16_t length,
const u8_t* key, u8_t algo, u8_t* hmac_out)
{
u32_t i;
u8_t key_len;
const mbedtls_md_info_t *md_info;
mbedtls_md_context_t ctx;
struct snmp_pbuf_stream read_stream;
snmp_pbuf_stream_init(&read_stream, stream->pbuf, stream->offset, stream->length);
if (algo == SNMP_V3_AUTH_ALGO_MD5) {
md_info = mbedtls_md_info_from_type(MBEDTLS_MD_MD5);
key_len = SNMP_V3_MD5_LEN;
} else if (algo == SNMP_V3_AUTH_ALGO_SHA) {
md_info = mbedtls_md_info_from_type(MBEDTLS_MD_SHA1);
key_len = SNMP_V3_SHA_LEN;
} else {
return ERR_ARG;
}
mbedtls_md_init(&ctx);
if(mbedtls_md_setup(&ctx, md_info, 1) != 0) {
return ERR_ARG;
}
if (mbedtls_md_hmac_starts(&ctx, key, key_len) != 0) {
goto free_md;
}
for (i = 0; i < length; i++) {
u8_t byte;
if (snmp_pbuf_stream_read(&read_stream, &byte)) {
goto free_md;
}
if (mbedtls_md_hmac_update(&ctx, &byte, 1) != 0) {
goto free_md;
}
}
if (mbedtls_md_hmac_finish(&ctx, hmac_out) != 0) {
goto free_md;
}
mbedtls_md_free(&ctx);
return ERR_OK;
free_md:
mbedtls_md_free(&ctx);
return ERR_ARG;
}
#if LWIP_SNMP_V3_CRYPTO
err_t
snmpv3_crypt(struct snmp_pbuf_stream* stream, u16_t length,
const u8_t* key, const u8_t* priv_param, const u32_t engine_boots,
const u32_t engine_time, u8_t algo, u8_t mode)
{
size_t i;
mbedtls_cipher_context_t ctx;
const mbedtls_cipher_info_t *cipher_info;
struct snmp_pbuf_stream read_stream;
struct snmp_pbuf_stream write_stream;
snmp_pbuf_stream_init(&read_stream, stream->pbuf, stream->offset, stream->length);
snmp_pbuf_stream_init(&write_stream, stream->pbuf, stream->offset, stream->length);
mbedtls_cipher_init(&ctx);
if (algo == SNMP_V3_PRIV_ALGO_DES) {
u8_t iv_local[8];
u8_t out_bytes[8];
size_t out_len;
/* RFC 3414 mandates padding for DES */
if ((length & 0x07) != 0) {
return ERR_ARG;
}
cipher_info = mbedtls_cipher_info_from_type(MBEDTLS_CIPHER_DES_CBC);
if(mbedtls_cipher_setup(&ctx, cipher_info) != 0) {
return ERR_ARG;
}
if(mbedtls_cipher_set_padding_mode(&ctx, MBEDTLS_PADDING_NONE) != 0) {
return ERR_ARG;
}
if(mbedtls_cipher_setkey(&ctx, key, 8*8, (mode == SNMP_V3_PRIV_MODE_ENCRYPT)? MBEDTLS_ENCRYPT : MBEDTLS_DECRYPT) != 0) {
goto error;
}
/* Prepare IV */
for (i = 0; i < LWIP_ARRAYSIZE(iv_local); i++) {
iv_local[i] = priv_param[i] ^ key[i + 8];
}
if(mbedtls_cipher_set_iv(&ctx, iv_local, LWIP_ARRAYSIZE(iv_local)) != 0) {
goto error;
}
for (i = 0; i < length; i += 8) {
size_t j;
u8_t in_bytes[8];
out_len = LWIP_ARRAYSIZE(out_bytes) ;
for (j = 0; j < LWIP_ARRAYSIZE(in_bytes); j++) {
snmp_pbuf_stream_read(&read_stream, &in_bytes[j]);
}
if(mbedtls_cipher_update(&ctx, in_bytes, LWIP_ARRAYSIZE(in_bytes), out_bytes, &out_len) != 0) {
goto error;
}
snmp_pbuf_stream_writebuf(&write_stream, out_bytes, out_len);
}
out_len = LWIP_ARRAYSIZE(out_bytes);
if(mbedtls_cipher_finish(&ctx, out_bytes, &out_len) != 0) {
goto error;
}
snmp_pbuf_stream_writebuf(&write_stream, out_bytes, out_len);
} else if (algo == SNMP_V3_PRIV_ALGO_AES) {
u8_t iv_local[16];
cipher_info = mbedtls_cipher_info_from_type(MBEDTLS_CIPHER_AES_128_CFB128);
if(mbedtls_cipher_setup(&ctx, cipher_info) != 0) {
return ERR_ARG;
}
if(mbedtls_cipher_setkey(&ctx, key, 16*8, (mode == SNMP_V3_PRIV_MODE_ENCRYPT)? MBEDTLS_ENCRYPT : MBEDTLS_DECRYPT) != 0) {
goto error;
}
/*
* IV is the big endian concatenation of boots,
* uptime and priv param - see RFC3826.
*/
iv_local[0 + 0] = (engine_boots >> 24) & 0xFF;
iv_local[0 + 1] = (engine_boots >> 16) & 0xFF;
iv_local[0 + 2] = (engine_boots >> 8) & 0xFF;
iv_local[0 + 3] = (engine_boots >> 0) & 0xFF;
iv_local[4 + 0] = (engine_time >> 24) & 0xFF;
iv_local[4 + 1] = (engine_time >> 16) & 0xFF;
iv_local[4 + 2] = (engine_time >> 8) & 0xFF;
iv_local[4 + 3] = (engine_time >> 0) & 0xFF;
SMEMCPY(iv_local + 8, priv_param, 8);
if(mbedtls_cipher_set_iv(&ctx, iv_local, LWIP_ARRAYSIZE(iv_local)) != 0) {
goto error;
}
for (i = 0; i < length; i++) {
u8_t in_byte;
u8_t out_byte;
size_t out_len = sizeof(out_byte);
snmp_pbuf_stream_read(&read_stream, &in_byte);
if(mbedtls_cipher_update(&ctx, &in_byte, sizeof(in_byte), &out_byte, &out_len) != 0) {
goto error;
}
snmp_pbuf_stream_write(&write_stream, out_byte);
}
} else {
return ERR_ARG;
}
mbedtls_cipher_free(&ctx);
return ERR_OK;
error:
mbedtls_cipher_free(&ctx);
return ERR_OK;
}
#endif /* LWIP_SNMP_V3_CRYPTO */
/* A.2.1. Password to Key Sample Code for MD5 */
void
snmpv3_password_to_key_md5(
const u8_t *password, /* IN */
u8_t passwordlen, /* IN */
const u8_t *engineID, /* IN - pointer to snmpEngineID */
u8_t engineLength,/* IN - length of snmpEngineID */
u8_t *key) /* OUT - pointer to caller 16-octet buffer */
{
mbedtls_md5_context MD;
u8_t *cp, password_buf[64];
u32_t password_index = 0;
u8_t i;
u32_t count = 0;
mbedtls_md5_init(&MD); /* initialize MD5 */
mbedtls_md5_starts(&MD);
/**********************************************/
/* Use while loop until we've done 1 Megabyte */
/**********************************************/
while (count < 1048576) {
cp = password_buf;
for (i = 0; i < 64; i++) {
/*************************************************/
/* Take the next octet of the password, wrapping */
/* to the beginning of the password as necessary.*/
/*************************************************/
*cp++ = password[password_index++ % passwordlen];
}
mbedtls_md5_update(&MD, password_buf, 64);
count += 64;
}
mbedtls_md5_finish(&MD, key); /* tell MD5 we're done */
/*****************************************************/
/* Now localize the key with the engineID and pass */
/* through MD5 to produce final key */
/* May want to ensure that engineLength <= 32, */
/* otherwise need to use a buffer larger than 64 */
/*****************************************************/
SMEMCPY(password_buf, key, 16);
MEMCPY(password_buf + 16, engineID, engineLength);
SMEMCPY(password_buf + 16 + engineLength, key, 16);
mbedtls_md5_starts(&MD);
mbedtls_md5_update(&MD, password_buf, 32 + engineLength);
mbedtls_md5_finish(&MD, key);
mbedtls_md5_free(&MD);
return;
}
/* A.2.2. Password to Key Sample Code for SHA */
void
snmpv3_password_to_key_sha(
const u8_t *password, /* IN */
u8_t passwordlen, /* IN */
const u8_t *engineID, /* IN - pointer to snmpEngineID */
u8_t engineLength,/* IN - length of snmpEngineID */
u8_t *key) /* OUT - pointer to caller 20-octet buffer */
{
mbedtls_sha1_context SH;
u8_t *cp, password_buf[72];
u32_t password_index = 0;
u8_t i;
u32_t count = 0;
mbedtls_sha1_init(&SH); /* initialize SHA */
mbedtls_sha1_starts(&SH);
/**********************************************/
/* Use while loop until we've done 1 Megabyte */
/**********************************************/
while (count < 1048576) {
cp = password_buf;
for (i = 0; i < 64; i++) {
/*************************************************/
/* Take the next octet of the password, wrapping */
/* to the beginning of the password as necessary.*/
/*************************************************/
*cp++ = password[password_index++ % passwordlen];
}
mbedtls_sha1_update(&SH, password_buf, 64);
count += 64;
}
mbedtls_sha1_finish(&SH, key); /* tell SHA we're done */
/*****************************************************/
/* Now localize the key with the engineID and pass */
/* through SHA to produce final key */
/* May want to ensure that engineLength <= 32, */
/* otherwise need to use a buffer larger than 72 */
/*****************************************************/
SMEMCPY(password_buf, key, 20);
MEMCPY(password_buf + 20, engineID, engineLength);
SMEMCPY(password_buf + 20 + engineLength, key, 20);
mbedtls_sha1_starts(&SH);
mbedtls_sha1_update(&SH, password_buf, 40 + engineLength);
mbedtls_sha1_finish(&SH, key);
mbedtls_sha1_free(&SH);
return;
}
#endif /* LWIP_SNMP && LWIP_SNMP_V3 && LWIP_SNMP_V3_MBEDTLS */

66
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/**
* @file
* Additional SNMPv3 functionality RFC3414 and RFC3826 (internal API, do not use in client code).
*/
/*
* Copyright (c) 2016 Elias Oenal.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Elias Oenal <lwip@eliasoenal.com>
*/
#ifndef LWIP_HDR_APPS_SNMP_V3_PRIV_H
#define LWIP_HDR_APPS_SNMP_V3_PRIV_H
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP && LWIP_SNMP_V3
#include "snmp_pbuf_stream.h"
/* According to RFC 3411 */
#define SNMP_V3_MAX_ENGINE_ID_LENGTH 32
#define SNMP_V3_MAX_USER_LENGTH 32
#define SNMP_V3_MAX_AUTH_PARAM_LENGTH 12
#define SNMP_V3_MAX_PRIV_PARAM_LENGTH 8
#define SNMP_V3_AUTH_FLAG 0x01
#define SNMP_V3_PRIV_FLAG 0x02
#define SNMP_V3_MD5_LEN 16
#define SNMP_V3_SHA_LEN 20
u32_t snmpv3_get_engine_boots_internal(void);
u32_t snmpv3_get_engine_time_internal(void);
err_t snmpv3_auth(struct snmp_pbuf_stream* stream, u16_t length, const u8_t* key, u8_t algo, u8_t* hmac_out);
err_t snmpv3_crypt(struct snmp_pbuf_stream* stream, u16_t length, const u8_t* key,
const u8_t* priv_param, const u32_t engine_boots, const u32_t engine_time, u8_t algo, u8_t mode);
err_t snmpv3_build_priv_param(u8_t* priv_param);
#endif
#endif /* LWIP_HDR_APPS_SNMP_V3_PRIV_H */

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/**
* @file
* SNTP client module
*/
/*
* Copyright (c) 2007-2009 Frédéric Bernon, Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Frédéric Bernon, Simon Goldschmidt
*/
/**
* @defgroup sntp SNTP
* @ingroup apps
*
* This is simple "SNTP" client for the lwIP raw API.
* It is a minimal implementation of SNTPv4 as specified in RFC 4330.
*
* For a list of some public NTP servers, see this link :
* http://support.ntp.org/bin/view/Servers/NTPPoolServers
*
* @todo:
* - set/change servers at runtime
* - complete SNTP_CHECK_RESPONSE checks 3 and 4
*/
#include "lwip/apps/sntp.h"
#include "lwip/opt.h"
#include "lwip/timeouts.h"
#include "lwip/udp.h"
#include "lwip/dns.h"
#include "lwip/ip_addr.h"
#include "lwip/pbuf.h"
#include "lwip/dhcp.h"
#include <string.h>
#include <time.h>
#if LWIP_UDP
/* Handle support for more than one server via SNTP_MAX_SERVERS */
#if SNTP_MAX_SERVERS > 1
#define SNTP_SUPPORT_MULTIPLE_SERVERS 1
#else /* NTP_MAX_SERVERS > 1 */
#define SNTP_SUPPORT_MULTIPLE_SERVERS 0
#endif /* NTP_MAX_SERVERS > 1 */
#if (SNTP_UPDATE_DELAY < 15000) && !defined(SNTP_SUPPRESS_DELAY_CHECK)
#error "SNTPv4 RFC 4330 enforces a minimum update time of 15 seconds (define SNTP_SUPPRESS_DELAY_CHECK to disable this error)!"
#endif
/* Configure behaviour depending on microsecond or second precision */
#ifdef SNTP_SET_SYSTEM_TIME_US
#define SNTP_CALC_TIME_US 1
#define SNTP_RECEIVE_TIME_SIZE 2
#else
#define SNTP_SET_SYSTEM_TIME_US(sec, us)
#define SNTP_CALC_TIME_US 0
#define SNTP_RECEIVE_TIME_SIZE 1
#endif
/* the various debug levels for this file */
#define SNTP_DEBUG_TRACE (SNTP_DEBUG | LWIP_DBG_TRACE)
#define SNTP_DEBUG_STATE (SNTP_DEBUG | LWIP_DBG_STATE)
#define SNTP_DEBUG_WARN (SNTP_DEBUG | LWIP_DBG_LEVEL_WARNING)
#define SNTP_DEBUG_WARN_STATE (SNTP_DEBUG | LWIP_DBG_LEVEL_WARNING | LWIP_DBG_STATE)
#define SNTP_DEBUG_SERIOUS (SNTP_DEBUG | LWIP_DBG_LEVEL_SERIOUS)
#define SNTP_ERR_KOD 1
/* SNTP protocol defines */
#define SNTP_MSG_LEN 48
#define SNTP_OFFSET_LI_VN_MODE 0
#define SNTP_LI_MASK 0xC0
#define SNTP_LI_NO_WARNING 0x00
#define SNTP_LI_LAST_MINUTE_61_SEC 0x01
#define SNTP_LI_LAST_MINUTE_59_SEC 0x02
#define SNTP_LI_ALARM_CONDITION 0x03 /* (clock not synchronized) */
#define SNTP_VERSION_MASK 0x38
#define SNTP_VERSION (4/* NTP Version 4*/<<3)
#define SNTP_MODE_MASK 0x07
#define SNTP_MODE_CLIENT 0x03
#define SNTP_MODE_SERVER 0x04
#define SNTP_MODE_BROADCAST 0x05
#define SNTP_OFFSET_STRATUM 1
#define SNTP_STRATUM_KOD 0x00
#define SNTP_OFFSET_ORIGINATE_TIME 24
#define SNTP_OFFSET_RECEIVE_TIME 32
#define SNTP_OFFSET_TRANSMIT_TIME 40
/* number of seconds between 1900 and 1970 (MSB=1)*/
#define DIFF_SEC_1900_1970 (2208988800UL)
/* number of seconds between 1970 and Feb 7, 2036 (6:28:16 UTC) (MSB=0) */
#define DIFF_SEC_1970_2036 (2085978496UL)
/**
* SNTP packet format (without optional fields)
* Timestamps are coded as 64 bits:
* - 32 bits seconds since Jan 01, 1970, 00:00
* - 32 bits seconds fraction (0-padded)
* For future use, if the MSB in the seconds part is set, seconds are based
* on Feb 07, 2036, 06:28:16.
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct sntp_msg {
PACK_STRUCT_FLD_8(u8_t li_vn_mode);
PACK_STRUCT_FLD_8(u8_t stratum);
PACK_STRUCT_FLD_8(u8_t poll);
PACK_STRUCT_FLD_8(u8_t precision);
PACK_STRUCT_FIELD(u32_t root_delay);
PACK_STRUCT_FIELD(u32_t root_dispersion);
PACK_STRUCT_FIELD(u32_t reference_identifier);
PACK_STRUCT_FIELD(u32_t reference_timestamp[2]);
PACK_STRUCT_FIELD(u32_t originate_timestamp[2]);
PACK_STRUCT_FIELD(u32_t receive_timestamp[2]);
PACK_STRUCT_FIELD(u32_t transmit_timestamp[2]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* function prototypes */
static void sntp_request(void *arg);
/** The operating mode */
static u8_t sntp_opmode;
/** The UDP pcb used by the SNTP client */
static struct udp_pcb* sntp_pcb;
/** Names/Addresses of servers */
struct sntp_server {
#if SNTP_SERVER_DNS
char* name;
#endif /* SNTP_SERVER_DNS */
ip_addr_t addr;
};
static struct sntp_server sntp_servers[SNTP_MAX_SERVERS];
#if SNTP_GET_SERVERS_FROM_DHCP
static u8_t sntp_set_servers_from_dhcp;
#endif /* SNTP_GET_SERVERS_FROM_DHCP */
#if SNTP_SUPPORT_MULTIPLE_SERVERS
/** The currently used server (initialized to 0) */
static u8_t sntp_current_server;
#else /* SNTP_SUPPORT_MULTIPLE_SERVERS */
#define sntp_current_server 0
#endif /* SNTP_SUPPORT_MULTIPLE_SERVERS */
#if SNTP_RETRY_TIMEOUT_EXP
#define SNTP_RESET_RETRY_TIMEOUT() sntp_retry_timeout = SNTP_RETRY_TIMEOUT
/** Retry time, initialized with SNTP_RETRY_TIMEOUT and doubled with each retry. */
static u32_t sntp_retry_timeout;
#else /* SNTP_RETRY_TIMEOUT_EXP */
#define SNTP_RESET_RETRY_TIMEOUT()
#define sntp_retry_timeout SNTP_RETRY_TIMEOUT
#endif /* SNTP_RETRY_TIMEOUT_EXP */
#if SNTP_CHECK_RESPONSE >= 1
/** Saves the last server address to compare with response */
static ip_addr_t sntp_last_server_address;
#endif /* SNTP_CHECK_RESPONSE >= 1 */
#if SNTP_CHECK_RESPONSE >= 2
/** Saves the last timestamp sent (which is sent back by the server)
* to compare against in response */
static u32_t sntp_last_timestamp_sent[2];
#endif /* SNTP_CHECK_RESPONSE >= 2 */
/**
* SNTP processing of received timestamp
*/
static void
sntp_process(u32_t *receive_timestamp)
{
/* convert SNTP time (1900-based) to unix GMT time (1970-based)
* if MSB is 0, SNTP time is 2036-based!
*/
u32_t rx_secs = lwip_ntohl(receive_timestamp[0]);
int is_1900_based = ((rx_secs & 0x80000000) != 0);
u32_t t = is_1900_based ? (rx_secs - DIFF_SEC_1900_1970) : (rx_secs + DIFF_SEC_1970_2036);
time_t tim = t;
#if SNTP_CALC_TIME_US
u32_t us = lwip_ntohl(receive_timestamp[1]) / 4295;
SNTP_SET_SYSTEM_TIME_US(t, us);
/* display local time from GMT time */
LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_process: %s, %"U32_F" us", ctime(&tim), us));
#else /* SNTP_CALC_TIME_US */
/* change system time and/or the update the RTC clock */
SNTP_SET_SYSTEM_TIME(t);
/* display local time from GMT time */
LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_process: %s", ctime(&tim)));
#endif /* SNTP_CALC_TIME_US */
LWIP_UNUSED_ARG(tim);
}
/**
* Initialize request struct to be sent to server.
*/
static void
sntp_initialize_request(struct sntp_msg *req)
{
memset(req, 0, SNTP_MSG_LEN);
req->li_vn_mode = SNTP_LI_NO_WARNING | SNTP_VERSION | SNTP_MODE_CLIENT;
#if SNTP_CHECK_RESPONSE >= 2
{
u32_t sntp_time_sec, sntp_time_us;
/* fill in transmit timestamp and save it in 'sntp_last_timestamp_sent' */
SNTP_GET_SYSTEM_TIME(sntp_time_sec, sntp_time_us);
sntp_last_timestamp_sent[0] = lwip_htonl(sntp_time_sec + DIFF_SEC_1900_1970);
req->transmit_timestamp[0] = sntp_last_timestamp_sent[0];
/* we send/save us instead of fraction to be faster... */
sntp_last_timestamp_sent[1] = lwip_htonl(sntp_time_us);
req->transmit_timestamp[1] = sntp_last_timestamp_sent[1];
}
#endif /* SNTP_CHECK_RESPONSE >= 2 */
}
/**
* Retry: send a new request (and increase retry timeout).
*
* @param arg is unused (only necessary to conform to sys_timeout)
*/
static void
sntp_retry(void* arg)
{
LWIP_UNUSED_ARG(arg);
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_retry: Next request will be sent in %"U32_F" ms\n",
sntp_retry_timeout));
/* set up a timer to send a retry and increase the retry delay */
sys_timeout(sntp_retry_timeout, sntp_request, NULL);
#if SNTP_RETRY_TIMEOUT_EXP
{
u32_t new_retry_timeout;
/* increase the timeout for next retry */
new_retry_timeout = sntp_retry_timeout << 1;
/* limit to maximum timeout and prevent overflow */
if ((new_retry_timeout <= SNTP_RETRY_TIMEOUT_MAX) &&
(new_retry_timeout > sntp_retry_timeout)) {
sntp_retry_timeout = new_retry_timeout;
}
}
#endif /* SNTP_RETRY_TIMEOUT_EXP */
}
#if SNTP_SUPPORT_MULTIPLE_SERVERS
/**
* If Kiss-of-Death is received (or another packet parsing error),
* try the next server or retry the current server and increase the retry
* timeout if only one server is available.
* (implicitly, SNTP_MAX_SERVERS > 1)
*
* @param arg is unused (only necessary to conform to sys_timeout)
*/
static void
sntp_try_next_server(void* arg)
{
u8_t old_server, i;
LWIP_UNUSED_ARG(arg);
old_server = sntp_current_server;
for (i = 0; i < SNTP_MAX_SERVERS - 1; i++) {
sntp_current_server++;
if (sntp_current_server >= SNTP_MAX_SERVERS) {
sntp_current_server = 0;
}
if (!ip_addr_isany(&sntp_servers[sntp_current_server].addr)
#if SNTP_SERVER_DNS
|| (sntp_servers[sntp_current_server].name != NULL)
#endif
) {
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_try_next_server: Sending request to server %"U16_F"\n",
(u16_t)sntp_current_server));
/* new server: reset retry timeout */
SNTP_RESET_RETRY_TIMEOUT();
/* instantly send a request to the next server */
sntp_request(NULL);
return;
}
}
/* no other valid server found */
sntp_current_server = old_server;
sntp_retry(NULL);
}
#else /* SNTP_SUPPORT_MULTIPLE_SERVERS */
/* Always retry on error if only one server is supported */
#define sntp_try_next_server sntp_retry
#endif /* SNTP_SUPPORT_MULTIPLE_SERVERS */
/** UDP recv callback for the sntp pcb */
static void
sntp_recv(void *arg, struct udp_pcb* pcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{
u8_t mode;
u8_t stratum;
u32_t receive_timestamp[SNTP_RECEIVE_TIME_SIZE];
err_t err;
LWIP_UNUSED_ARG(arg);
LWIP_UNUSED_ARG(pcb);
/* packet received: stop retry timeout */
sys_untimeout(sntp_try_next_server, NULL);
sys_untimeout(sntp_request, NULL);
err = ERR_ARG;
#if SNTP_CHECK_RESPONSE >= 1
/* check server address and port */
if (((sntp_opmode != SNTP_OPMODE_POLL) || ip_addr_cmp(addr, &sntp_last_server_address)) &&
(port == SNTP_PORT))
#else /* SNTP_CHECK_RESPONSE >= 1 */
LWIP_UNUSED_ARG(addr);
LWIP_UNUSED_ARG(port);
#endif /* SNTP_CHECK_RESPONSE >= 1 */
{
/* process the response */
if (p->tot_len == SNTP_MSG_LEN) {
pbuf_copy_partial(p, &mode, 1, SNTP_OFFSET_LI_VN_MODE);
mode &= SNTP_MODE_MASK;
/* if this is a SNTP response... */
if (((sntp_opmode == SNTP_OPMODE_POLL) && (mode == SNTP_MODE_SERVER)) ||
((sntp_opmode == SNTP_OPMODE_LISTENONLY) && (mode == SNTP_MODE_BROADCAST))) {
pbuf_copy_partial(p, &stratum, 1, SNTP_OFFSET_STRATUM);
if (stratum == SNTP_STRATUM_KOD) {
/* Kiss-of-death packet. Use another server or increase UPDATE_DELAY. */
err = SNTP_ERR_KOD;
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_recv: Received Kiss-of-Death\n"));
} else {
#if SNTP_CHECK_RESPONSE >= 2
/* check originate_timetamp against sntp_last_timestamp_sent */
u32_t originate_timestamp[2];
pbuf_copy_partial(p, &originate_timestamp, 8, SNTP_OFFSET_ORIGINATE_TIME);
if ((originate_timestamp[0] != sntp_last_timestamp_sent[0]) ||
(originate_timestamp[1] != sntp_last_timestamp_sent[1]))
{
LWIP_DEBUGF(SNTP_DEBUG_WARN, ("sntp_recv: Invalid originate timestamp in response\n"));
} else
#endif /* SNTP_CHECK_RESPONSE >= 2 */
/* @todo: add code for SNTP_CHECK_RESPONSE >= 3 and >= 4 here */
{
/* correct answer */
err = ERR_OK;
pbuf_copy_partial(p, &receive_timestamp, SNTP_RECEIVE_TIME_SIZE * 4, SNTP_OFFSET_TRANSMIT_TIME);
}
}
} else {
LWIP_DEBUGF(SNTP_DEBUG_WARN, ("sntp_recv: Invalid mode in response: %"U16_F"\n", (u16_t)mode));
/* wait for correct response */
err = ERR_TIMEOUT;
}
} else {
LWIP_DEBUGF(SNTP_DEBUG_WARN, ("sntp_recv: Invalid packet length: %"U16_F"\n", p->tot_len));
}
}
#if SNTP_CHECK_RESPONSE >= 1
else {
/* packet from wrong remote address or port, wait for correct response */
err = ERR_TIMEOUT;
}
#endif /* SNTP_CHECK_RESPONSE >= 1 */
pbuf_free(p);
if (err == ERR_OK) {
sntp_process(receive_timestamp);
/* Set up timeout for next request (only if poll response was received)*/
if (sntp_opmode == SNTP_OPMODE_POLL) {
/* Correct response, reset retry timeout */
SNTP_RESET_RETRY_TIMEOUT();
sys_timeout((u32_t)SNTP_UPDATE_DELAY, sntp_request, NULL);
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_recv: Scheduled next time request: %"U32_F" ms\n",
(u32_t)SNTP_UPDATE_DELAY));
}
} else if (err != ERR_TIMEOUT) {
/* Errors are only processed in case of an explicit poll response */
if (sntp_opmode == SNTP_OPMODE_POLL) {
if (err == SNTP_ERR_KOD) {
/* Kiss-of-death packet. Use another server or increase UPDATE_DELAY. */
sntp_try_next_server(NULL);
} else {
/* another error, try the same server again */
sntp_retry(NULL);
}
}
}
}
/** Actually send an sntp request to a server.
*
* @param server_addr resolved IP address of the SNTP server
*/
static void
sntp_send_request(const ip_addr_t *server_addr)
{
struct pbuf* p;
p = pbuf_alloc(PBUF_TRANSPORT, SNTP_MSG_LEN, PBUF_RAM);
if (p != NULL) {
struct sntp_msg *sntpmsg = (struct sntp_msg *)p->payload;
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_send_request: Sending request to server\n"));
/* initialize request message */
sntp_initialize_request(sntpmsg);
/* send request */
udp_sendto(sntp_pcb, p, server_addr, SNTP_PORT);
/* free the pbuf after sending it */
pbuf_free(p);
/* set up receive timeout: try next server or retry on timeout */
sys_timeout((u32_t)SNTP_RECV_TIMEOUT, sntp_try_next_server, NULL);
#if SNTP_CHECK_RESPONSE >= 1
/* save server address to verify it in sntp_recv */
ip_addr_set(&sntp_last_server_address, server_addr);
#endif /* SNTP_CHECK_RESPONSE >= 1 */
} else {
LWIP_DEBUGF(SNTP_DEBUG_SERIOUS, ("sntp_send_request: Out of memory, trying again in %"U32_F" ms\n",
(u32_t)SNTP_RETRY_TIMEOUT));
/* out of memory: set up a timer to send a retry */
sys_timeout((u32_t)SNTP_RETRY_TIMEOUT, sntp_request, NULL);
}
}
#if SNTP_SERVER_DNS
/**
* DNS found callback when using DNS names as server address.
*/
static void
sntp_dns_found(const char* hostname, const ip_addr_t *ipaddr, void *arg)
{
LWIP_UNUSED_ARG(hostname);
LWIP_UNUSED_ARG(arg);
if (ipaddr != NULL) {
/* Address resolved, send request */
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_dns_found: Server address resolved, sending request\n"));
sntp_send_request(ipaddr);
} else {
/* DNS resolving failed -> try another server */
LWIP_DEBUGF(SNTP_DEBUG_WARN_STATE, ("sntp_dns_found: Failed to resolve server address resolved, trying next server\n"));
sntp_try_next_server(NULL);
}
}
#endif /* SNTP_SERVER_DNS */
/**
* Send out an sntp request.
*
* @param arg is unused (only necessary to conform to sys_timeout)
*/
static void
sntp_request(void *arg)
{
ip_addr_t sntp_server_address;
err_t err;
LWIP_UNUSED_ARG(arg);
/* initialize SNTP server address */
#if SNTP_SERVER_DNS
if (sntp_servers[sntp_current_server].name) {
/* always resolve the name and rely on dns-internal caching & timeout */
ip_addr_set_zero(&sntp_servers[sntp_current_server].addr);
err = dns_gethostbyname(sntp_servers[sntp_current_server].name, &sntp_server_address,
sntp_dns_found, NULL);
if (err == ERR_INPROGRESS) {
/* DNS request sent, wait for sntp_dns_found being called */
LWIP_DEBUGF(SNTP_DEBUG_STATE, ("sntp_request: Waiting for server address to be resolved.\n"));
return;
} else if (err == ERR_OK) {
sntp_servers[sntp_current_server].addr = sntp_server_address;
}
} else
#endif /* SNTP_SERVER_DNS */
{
sntp_server_address = sntp_servers[sntp_current_server].addr;
err = (ip_addr_isany_val(sntp_server_address)) ? ERR_ARG : ERR_OK;
}
if (err == ERR_OK) {
LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_request: current server address is %s\n",
ipaddr_ntoa(&sntp_server_address)));
sntp_send_request(&sntp_server_address);
} else {
/* address conversion failed, try another server */
LWIP_DEBUGF(SNTP_DEBUG_WARN_STATE, ("sntp_request: Invalid server address, trying next server.\n"));
sys_timeout((u32_t)SNTP_RETRY_TIMEOUT, sntp_try_next_server, NULL);
}
}
/**
* @ingroup sntp
* Initialize this module.
* Send out request instantly or after SNTP_STARTUP_DELAY(_FUNC).
*/
void
sntp_init(void)
{
#ifdef SNTP_SERVER_ADDRESS
#if SNTP_SERVER_DNS
sntp_setservername(0, SNTP_SERVER_ADDRESS);
#else
#error SNTP_SERVER_ADDRESS string not supported SNTP_SERVER_DNS==0
#endif
#endif /* SNTP_SERVER_ADDRESS */
if (sntp_pcb == NULL) {
sntp_pcb = udp_new_ip_type(IPADDR_TYPE_ANY);
LWIP_ASSERT("Failed to allocate udp pcb for sntp client", sntp_pcb != NULL);
if (sntp_pcb != NULL) {
udp_recv(sntp_pcb, sntp_recv, NULL);
if (sntp_opmode == SNTP_OPMODE_POLL) {
SNTP_RESET_RETRY_TIMEOUT();
#if SNTP_STARTUP_DELAY
sys_timeout((u32_t)SNTP_STARTUP_DELAY_FUNC, sntp_request, NULL);
#else
sntp_request(NULL);
#endif
} else if (sntp_opmode == SNTP_OPMODE_LISTENONLY) {
ip_set_option(sntp_pcb, SOF_BROADCAST);
udp_bind(sntp_pcb, IP_ANY_TYPE, SNTP_PORT);
}
}
}
}
/**
* @ingroup sntp
* Stop this module.
*/
void
sntp_stop(void)
{
if (sntp_pcb != NULL) {
sys_untimeout(sntp_request, NULL);
sys_untimeout(sntp_try_next_server, NULL);
udp_remove(sntp_pcb);
sntp_pcb = NULL;
}
}
/**
* @ingroup sntp
* Get enabled state.
*/
u8_t sntp_enabled(void)
{
return (sntp_pcb != NULL)? 1 : 0;
}
/**
* @ingroup sntp
* Sets the operating mode.
* @param operating_mode one of the available operating modes
*/
void
sntp_setoperatingmode(u8_t operating_mode)
{
LWIP_ASSERT("Invalid operating mode", operating_mode <= SNTP_OPMODE_LISTENONLY);
LWIP_ASSERT("Operating mode must not be set while SNTP client is running", sntp_pcb == NULL);
sntp_opmode = operating_mode;
}
/**
* @ingroup sntp
* Gets the operating mode.
*/
u8_t
sntp_getoperatingmode(void)
{
return sntp_opmode;
}
#if SNTP_GET_SERVERS_FROM_DHCP
/**
* Config SNTP server handling by IP address, name, or DHCP; clear table
* @param set_servers_from_dhcp enable or disable getting server addresses from dhcp
*/
void
sntp_servermode_dhcp(int set_servers_from_dhcp)
{
u8_t new_mode = set_servers_from_dhcp ? 1 : 0;
if (sntp_set_servers_from_dhcp != new_mode) {
sntp_set_servers_from_dhcp = new_mode;
}
}
#endif /* SNTP_GET_SERVERS_FROM_DHCP */
/**
* @ingroup sntp
* Initialize one of the NTP servers by IP address
*
* @param idx the index of the NTP server to set must be < SNTP_MAX_SERVERS
* @param server IP address of the NTP server to set
*/
void
sntp_setserver(u8_t idx, const ip_addr_t *server)
{
if (idx < SNTP_MAX_SERVERS) {
if (server != NULL) {
sntp_servers[idx].addr = (*server);
} else {
ip_addr_set_zero(&sntp_servers[idx].addr);
}
#if SNTP_SERVER_DNS
sntp_servers[idx].name = NULL;
#endif
}
}
#if LWIP_DHCP && SNTP_GET_SERVERS_FROM_DHCP
/**
* Initialize one of the NTP servers by IP address, required by DHCP
*
* @param numdns the index of the NTP server to set must be < SNTP_MAX_SERVERS
* @param dnsserver IP address of the NTP server to set
*/
void
dhcp_set_ntp_servers(u8_t num, const ip4_addr_t *server)
{
LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp: %s %u.%u.%u.%u as NTP server #%u via DHCP\n",
(sntp_set_servers_from_dhcp ? "Got" : "Rejected"),
ip4_addr1(server), ip4_addr2(server), ip4_addr3(server), ip4_addr4(server), num));
if (sntp_set_servers_from_dhcp && num) {
u8_t i;
for (i = 0; (i < num) && (i < SNTP_MAX_SERVERS); i++) {
ip_addr_t addr;
ip_addr_copy_from_ip4(addr, server[i]);
sntp_setserver(i, &addr);
}
for (i = num; i < SNTP_MAX_SERVERS; i++) {
sntp_setserver(i, NULL);
}
}
}
#endif /* LWIP_DHCP && SNTP_GET_SERVERS_FROM_DHCP */
/**
* @ingroup sntp
* Obtain one of the currently configured by IP address (or DHCP) NTP servers
*
* @param idx the index of the NTP server
* @return IP address of the indexed NTP server or "ip_addr_any" if the NTP
* server has not been configured by address (or at all).
*/
const ip_addr_t*
sntp_getserver(u8_t idx)
{
if (idx < SNTP_MAX_SERVERS) {
return &sntp_servers[idx].addr;
}
return IP_ADDR_ANY;
}
#if SNTP_SERVER_DNS
/**
* Initialize one of the NTP servers by name
*
* @param numdns the index of the NTP server to set must be < SNTP_MAX_SERVERS
* @param dnsserver DNS name of the NTP server to set, to be resolved at contact time
*/
void
sntp_setservername(u8_t idx, char *server)
{
if (idx < SNTP_MAX_SERVERS) {
sntp_servers[idx].name = server;
}
}
/**
* Obtain one of the currently configured by name NTP servers.
*
* @param numdns the index of the NTP server
* @return IP address of the indexed NTP server or NULL if the NTP
* server has not been configured by name (or at all)
*/
char *
sntp_getservername(u8_t idx)
{
if (idx < SNTP_MAX_SERVERS) {
return sntp_servers[idx].name;
}
return NULL;
}
#endif /* SNTP_SERVER_DNS */
#endif /* LWIP_UDP */

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@ -0,0 +1,417 @@
/****************************************************************//**
*
* @file tftp_server.c
*
* @author Logan Gunthorpe <logang@deltatee.com>
* Dirk Ziegelmeier <dziegel@gmx.de>
*
* @brief Trivial File Transfer Protocol (RFC 1350)
*
* Copyright (c) Deltatee Enterprises Ltd. 2013
* All rights reserved.
*
********************************************************************/
/*
* Redistribution and use in source and binary forms, with or without
* modification,are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Author: Logan Gunthorpe <logang@deltatee.com>
* Dirk Ziegelmeier <dziegel@gmx.de>
*
*/
/**
* @defgroup tftp TFTP server
* @ingroup apps
*
* This is simple TFTP server for the lwIP raw API.
*/
#include "lwip/apps/tftp_server.h"
#if LWIP_UDP
#include "lwip/udp.h"
#include "lwip/timeouts.h"
#include "lwip/debug.h"
#define TFTP_MAX_PAYLOAD_SIZE 512
#define TFTP_HEADER_LENGTH 4
#define TFTP_RRQ 1
#define TFTP_WRQ 2
#define TFTP_DATA 3
#define TFTP_ACK 4
#define TFTP_ERROR 5
enum tftp_error {
TFTP_ERROR_FILE_NOT_FOUND = 1,
TFTP_ERROR_ACCESS_VIOLATION = 2,
TFTP_ERROR_DISK_FULL = 3,
TFTP_ERROR_ILLEGAL_OPERATION = 4,
TFTP_ERROR_UNKNOWN_TRFR_ID = 5,
TFTP_ERROR_FILE_EXISTS = 6,
TFTP_ERROR_NO_SUCH_USER = 7
};
#include <string.h>
struct tftp_state {
const struct tftp_context *ctx;
void *handle;
struct pbuf *last_data;
struct udp_pcb *upcb;
ip_addr_t addr;
u16_t port;
int timer;
int last_pkt;
u16_t blknum;
u8_t retries;
u8_t mode_write;
};
static struct tftp_state tftp_state;
static void tftp_tmr(void* arg);
static void
close_handle(void)
{
tftp_state.port = 0;
ip_addr_set_any(0, &tftp_state.addr);
if(tftp_state.last_data != NULL) {
pbuf_free(tftp_state.last_data);
tftp_state.last_data = NULL;
}
sys_untimeout(tftp_tmr, NULL);
if (tftp_state.handle) {
tftp_state.ctx->close(tftp_state.handle);
tftp_state.handle = NULL;
LWIP_DEBUGF(TFTP_DEBUG | LWIP_DBG_STATE, ("tftp: closing\n"));
}
}
static void
send_error(const ip_addr_t *addr, u16_t port, enum tftp_error code, const char *str)
{
int str_length = strlen(str);
struct pbuf* p;
u16_t* payload;
p = pbuf_alloc(PBUF_TRANSPORT, (u16_t)(TFTP_HEADER_LENGTH + str_length + 1), PBUF_RAM);
if(p == NULL) {
return;
}
payload = (u16_t*) p->payload;
payload[0] = PP_HTONS(TFTP_ERROR);
payload[1] = lwip_htons(code);
MEMCPY(&payload[2], str, str_length + 1);
udp_sendto(tftp_state.upcb, p, addr, port);
pbuf_free(p);
}
static void
send_ack(u16_t blknum)
{
struct pbuf* p;
u16_t* payload;
p = pbuf_alloc(PBUF_TRANSPORT, TFTP_HEADER_LENGTH, PBUF_RAM);
if(p == NULL) {
return;
}
payload = (u16_t*) p->payload;
payload[0] = PP_HTONS(TFTP_ACK);
payload[1] = lwip_htons(blknum);
udp_sendto(tftp_state.upcb, p, &tftp_state.addr, tftp_state.port);
pbuf_free(p);
}
static void
resend_data(void)
{
struct pbuf *p = pbuf_alloc(PBUF_TRANSPORT, tftp_state.last_data->len, PBUF_RAM);
if(p == NULL) {
return;
}
if(pbuf_copy(p, tftp_state.last_data) != ERR_OK) {
pbuf_free(p);
return;
}
udp_sendto(tftp_state.upcb, p, &tftp_state.addr, tftp_state.port);
pbuf_free(p);
}
static void
send_data(void)
{
u16_t *payload;
int ret;
if(tftp_state.last_data != NULL) {
pbuf_free(tftp_state.last_data);
}
tftp_state.last_data = pbuf_alloc(PBUF_TRANSPORT, TFTP_HEADER_LENGTH + TFTP_MAX_PAYLOAD_SIZE, PBUF_RAM);
if(tftp_state.last_data == NULL) {
return;
}
payload = (u16_t *) tftp_state.last_data->payload;
payload[0] = PP_HTONS(TFTP_DATA);
payload[1] = lwip_htons(tftp_state.blknum);
ret = tftp_state.ctx->read(tftp_state.handle, &payload[2], TFTP_MAX_PAYLOAD_SIZE);
if (ret < 0) {
send_error(&tftp_state.addr, tftp_state.port, TFTP_ERROR_ACCESS_VIOLATION, "Error occured while reading the file.");
close_handle();
return;
}
pbuf_realloc(tftp_state.last_data, (u16_t)(TFTP_HEADER_LENGTH + ret));
resend_data();
}
static void
recv(void *arg, struct udp_pcb *upcb, struct pbuf *p, const ip_addr_t *addr, u16_t port)
{
u16_t *sbuf = (u16_t *) p->payload;
int opcode;
LWIP_UNUSED_ARG(arg);
LWIP_UNUSED_ARG(upcb);
if (((tftp_state.port != 0) && (port != tftp_state.port)) ||
(!ip_addr_isany_val(tftp_state.addr) && !ip_addr_cmp(&tftp_state.addr, addr))) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "Only one connection at a time is supported");
pbuf_free(p);
return;
}
opcode = sbuf[0];
tftp_state.last_pkt = tftp_state.timer;
tftp_state.retries = 0;
switch (opcode) {
case PP_HTONS(TFTP_RRQ): /* fall through */
case PP_HTONS(TFTP_WRQ):
{
const char tftp_null = 0;
char filename[TFTP_MAX_FILENAME_LEN];
char mode[TFTP_MAX_MODE_LEN];
u16_t filename_end_offset;
u16_t mode_end_offset;
if(tftp_state.handle != NULL) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "Only one connection at a time is supported");
break;
}
sys_timeout(TFTP_TIMER_MSECS, tftp_tmr, NULL);
/* find \0 in pbuf -> end of filename string */
filename_end_offset = pbuf_memfind(p, &tftp_null, sizeof(tftp_null), 2);
if((u16_t)(filename_end_offset-2) > sizeof(filename)) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "Filename too long/not NULL terminated");
break;
}
pbuf_copy_partial(p, filename, filename_end_offset-2, 2);
/* find \0 in pbuf -> end of mode string */
mode_end_offset = pbuf_memfind(p, &tftp_null, sizeof(tftp_null), filename_end_offset+1);
if((u16_t)(mode_end_offset-filename_end_offset) > sizeof(mode)) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "Mode too long/not NULL terminated");
break;
}
pbuf_copy_partial(p, mode, mode_end_offset-filename_end_offset, filename_end_offset+1);
tftp_state.handle = tftp_state.ctx->open(filename, mode, opcode == PP_HTONS(TFTP_WRQ));
tftp_state.blknum = 1;
if (!tftp_state.handle) {
send_error(addr, port, TFTP_ERROR_FILE_NOT_FOUND, "Unable to open requested file.");
break;
}
LWIP_DEBUGF(TFTP_DEBUG | LWIP_DBG_STATE, ("tftp: %s request from ", (opcode == PP_HTONS(TFTP_WRQ)) ? "write" : "read"));
ip_addr_debug_print(TFTP_DEBUG | LWIP_DBG_STATE, addr);
LWIP_DEBUGF(TFTP_DEBUG | LWIP_DBG_STATE, (" for '%s' mode '%s'\n", filename, mode));
ip_addr_copy(tftp_state.addr, *addr);
tftp_state.port = port;
if (opcode == PP_HTONS(TFTP_WRQ)) {
tftp_state.mode_write = 1;
send_ack(0);
} else {
tftp_state.mode_write = 0;
send_data();
}
break;
}
case PP_HTONS(TFTP_DATA):
{
int ret;
u16_t blknum;
if (tftp_state.handle == NULL) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "No connection");
break;
}
if (tftp_state.mode_write != 1) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "Not a write connection");
break;
}
blknum = lwip_ntohs(sbuf[1]);
pbuf_header(p, -TFTP_HEADER_LENGTH);
ret = tftp_state.ctx->write(tftp_state.handle, p);
if (ret < 0) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "error writing file");
close_handle();
} else {
send_ack(blknum);
}
if (p->tot_len < TFTP_MAX_PAYLOAD_SIZE) {
close_handle();
}
break;
}
case PP_HTONS(TFTP_ACK):
{
u16_t blknum;
int lastpkt;
if (tftp_state.handle == NULL) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "No connection");
break;
}
if (tftp_state.mode_write != 0) {
send_error(addr, port, TFTP_ERROR_ACCESS_VIOLATION, "Not a read connection");
break;
}
blknum = lwip_ntohs(sbuf[1]);
if (blknum != tftp_state.blknum) {
send_error(addr, port, TFTP_ERROR_UNKNOWN_TRFR_ID, "Wrong block number");
break;
}
lastpkt = 0;
if (tftp_state.last_data != NULL) {
lastpkt = tftp_state.last_data->tot_len != (TFTP_MAX_PAYLOAD_SIZE + TFTP_HEADER_LENGTH);
}
if (!lastpkt) {
tftp_state.blknum++;
send_data();
} else {
close_handle();
}
break;
}
default:
send_error(addr, port, TFTP_ERROR_ILLEGAL_OPERATION, "Unknown operation");
break;
}
pbuf_free(p);
}
static void
tftp_tmr(void* arg)
{
LWIP_UNUSED_ARG(arg);
tftp_state.timer++;
if (tftp_state.handle == NULL) {
return;
}
sys_timeout(TFTP_TIMER_MSECS, tftp_tmr, NULL);
if ((tftp_state.timer - tftp_state.last_pkt) > (TFTP_TIMEOUT_MSECS / TFTP_TIMER_MSECS)) {
if ((tftp_state.last_data != NULL) && (tftp_state.retries < TFTP_MAX_RETRIES)) {
LWIP_DEBUGF(TFTP_DEBUG | LWIP_DBG_STATE, ("tftp: timeout, retrying\n"));
resend_data();
tftp_state.retries++;
} else {
LWIP_DEBUGF(TFTP_DEBUG | LWIP_DBG_STATE, ("tftp: timeout\n"));
close_handle();
}
}
}
/** @ingroup tftp
* Initialize TFTP server.
* @param ctx TFTP callback struct
*/
err_t
tftp_init(const struct tftp_context *ctx)
{
err_t ret;
struct udp_pcb *pcb = udp_new_ip_type(IPADDR_TYPE_ANY);
if (pcb == NULL) {
return ERR_MEM;
}
ret = udp_bind(pcb, IP_ANY_TYPE, TFTP_PORT);
if (ret != ERR_OK) {
udp_remove(pcb);
return ret;
}
tftp_state.handle = NULL;
tftp_state.port = 0;
tftp_state.ctx = ctx;
tftp_state.timer = 0;
tftp_state.last_data = NULL;
tftp_state.upcb = pcb;
udp_recv(pcb, recv, NULL);
return ERR_OK;
}
#endif /* LWIP_UDP */

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@ -103,45 +103,6 @@
#define DNS_MAX_TTL 604800
#endif
/* DNS protocol flags */
#define DNS_FLAG1_RESPONSE 0x80
#define DNS_FLAG1_OPCODE_STATUS 0x10
#define DNS_FLAG1_OPCODE_INVERSE 0x08
#define DNS_FLAG1_OPCODE_STANDARD 0x00
#define DNS_FLAG1_AUTHORATIVE 0x04
#define DNS_FLAG1_TRUNC 0x02
#define DNS_FLAG1_RD 0x01
#define DNS_FLAG2_RA 0x80
#define DNS_FLAG2_ERR_MASK 0x0f
#define DNS_FLAG2_ERR_NONE 0x00
#define DNS_FLAG2_ERR_NAME 0x03
/* DNS protocol states */
#define DNS_STATE_UNUSED 0
#define DNS_STATE_NEW 1
#define DNS_STATE_ASKING 2
#define DNS_STATE_DONE 3
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** DNS message header */
struct dns_hdr {
PACK_STRUCT_FIELD(u16_t id);
PACK_STRUCT_FIELD(u8_t flags1);
PACK_STRUCT_FIELD(u8_t flags2);
PACK_STRUCT_FIELD(u16_t numquestions);
PACK_STRUCT_FIELD(u16_t numanswers);
PACK_STRUCT_FIELD(u16_t numauthrr);
PACK_STRUCT_FIELD(u16_t numextrarr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_DNS_HDR 12
/** DNS query message structure.
No packing needed: only used locally on the stack. */
struct dns_query {

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RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/include/lwip/apps/FILES Normal file
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@ -0,0 +1,2 @@
This directory contains application headers.
Every application shall provide one api file APP.h and optionally one options file APP_opts.h

115
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@ -0,0 +1,115 @@
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_APPS_FS_H
#define LWIP_HDR_APPS_FS_H
#include "httpd_opts.h"
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
#define FS_READ_EOF -1
#define FS_READ_DELAYED -2
#if HTTPD_PRECALCULATED_CHECKSUM
struct fsdata_chksum {
u32_t offset;
u16_t chksum;
u16_t len;
};
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
#define FS_FILE_FLAGS_HEADER_INCLUDED 0x01
#define FS_FILE_FLAGS_HEADER_PERSISTENT 0x02
struct fs_file {
const char *data;
int len;
int index;
void *pextension;
#if HTTPD_PRECALCULATED_CHECKSUM
const struct fsdata_chksum *chksum;
u16_t chksum_count;
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
u8_t flags;
#if LWIP_HTTPD_CUSTOM_FILES
u8_t is_custom_file;
#endif /* LWIP_HTTPD_CUSTOM_FILES */
#if LWIP_HTTPD_FILE_STATE
void *state;
#endif /* LWIP_HTTPD_FILE_STATE */
};
#if LWIP_HTTPD_FS_ASYNC_READ
typedef void (*fs_wait_cb)(void *arg);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
err_t fs_open(struct fs_file *file, const char *name);
void fs_close(struct fs_file *file);
#if LWIP_HTTPD_DYNAMIC_FILE_READ
#if LWIP_HTTPD_FS_ASYNC_READ
int fs_read_async(struct fs_file *file, char *buffer, int count, fs_wait_cb callback_fn, void *callback_arg);
#else /* LWIP_HTTPD_FS_ASYNC_READ */
int fs_read(struct fs_file *file, char *buffer, int count);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
#endif /* LWIP_HTTPD_DYNAMIC_FILE_READ */
#if LWIP_HTTPD_FS_ASYNC_READ
int fs_is_file_ready(struct fs_file *file, fs_wait_cb callback_fn, void *callback_arg);
#endif /* LWIP_HTTPD_FS_ASYNC_READ */
int fs_bytes_left(struct fs_file *file);
#if LWIP_HTTPD_FILE_STATE
/** This user-defined function is called when a file is opened. */
void *fs_state_init(struct fs_file *file, const char *name);
/** This user-defined function is called when a file is closed. */
void fs_state_free(struct fs_file *file, void *state);
#endif /* #if LWIP_HTTPD_FILE_STATE */
struct fsdata_file {
const struct fsdata_file *next;
const unsigned char *name;
const unsigned char *data;
int len;
u8_t flags;
#if HTTPD_PRECALCULATED_CHECKSUM
u16_t chksum_count;
const struct fsdata_chksum *chksum;
#endif /* HTTPD_PRECALCULATED_CHECKSUM */
};
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_FS_H */

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/**
* @file
* HTTP server
*/
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* This version of the file has been modified by Texas Instruments to offer
* simple server-side-include (SSI) and Common Gateway Interface (CGI)
* capability.
*/
#ifndef LWIP_HDR_APPS_HTTPD_H
#define LWIP_HDR_APPS_HTTPD_H
#include "httpd_opts.h"
#include "lwip/err.h"
#include "lwip/pbuf.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_HTTPD_CGI
/*
* Function pointer for a CGI script handler.
*
* This function is called each time the HTTPD server is asked for a file
* whose name was previously registered as a CGI function using a call to
* http_set_cgi_handler. The iIndex parameter provides the index of the
* CGI within the ppcURLs array passed to http_set_cgi_handler. Parameters
* pcParam and pcValue provide access to the parameters provided along with
* the URI. iNumParams provides a count of the entries in the pcParam and
* pcValue arrays. Each entry in the pcParam array contains the name of a
* parameter with the corresponding entry in the pcValue array containing the
* value for that parameter. Note that pcParam may contain multiple elements
* with the same name if, for example, a multi-selection list control is used
* in the form generating the data.
*
* The function should return a pointer to a character string which is the
* path and filename of the response that is to be sent to the connected
* browser, for example "/thanks.htm" or "/response/error.ssi".
*
* The maximum number of parameters that will be passed to this function via
* iNumParams is defined by LWIP_HTTPD_MAX_CGI_PARAMETERS. Any parameters in the incoming
* HTTP request above this number will be discarded.
*
* Requests intended for use by this CGI mechanism must be sent using the GET
* method (which encodes all parameters within the URI rather than in a block
* later in the request). Attempts to use the POST method will result in the
* request being ignored.
*
*/
typedef const char *(*tCGIHandler)(int iIndex, int iNumParams, char *pcParam[],
char *pcValue[]);
/*
* Structure defining the base filename (URL) of a CGI and the associated
* function which is to be called when that URL is requested.
*/
typedef struct
{
const char *pcCGIName;
tCGIHandler pfnCGIHandler;
} tCGI;
void http_set_cgi_handlers(const tCGI *pCGIs, int iNumHandlers);
#endif /* LWIP_HTTPD_CGI */
#if LWIP_HTTPD_CGI || LWIP_HTTPD_CGI_SSI
#if LWIP_HTTPD_CGI_SSI
/** Define this generic CGI handler in your application.
* It is called once for every URI with parameters.
* The parameters can be stored to
*/
extern void httpd_cgi_handler(const char* uri, int iNumParams, char **pcParam, char **pcValue
#if defined(LWIP_HTTPD_FILE_STATE) && LWIP_HTTPD_FILE_STATE
, void *connection_state
#endif /* LWIP_HTTPD_FILE_STATE */
);
#endif /* LWIP_HTTPD_CGI_SSI */
#endif /* LWIP_HTTPD_CGI || LWIP_HTTPD_CGI_SSI */
#if LWIP_HTTPD_SSI
/*
* Function pointer for the SSI tag handler callback.
*
* This function will be called each time the HTTPD server detects a tag of the
* form <!--#name--> in a .shtml, .ssi or .shtm file where "name" appears as
* one of the tags supplied to http_set_ssi_handler in the ppcTags array. The
* returned insert string, which will be appended after the the string
* "<!--#name-->" in file sent back to the client,should be written to pointer
* pcInsert. iInsertLen contains the size of the buffer pointed to by
* pcInsert. The iIndex parameter provides the zero-based index of the tag as
* found in the ppcTags array and identifies the tag that is to be processed.
*
* The handler returns the number of characters written to pcInsert excluding
* any terminating NULL or a negative number to indicate a failure (tag not
* recognized, for example).
*
* Note that the behavior of this SSI mechanism is somewhat different from the
* "normal" SSI processing as found in, for example, the Apache web server. In
* this case, the inserted text is appended following the SSI tag rather than
* replacing the tag entirely. This allows for an implementation that does not
* require significant additional buffering of output data yet which will still
* offer usable SSI functionality. One downside to this approach is when
* attempting to use SSI within JavaScript. The SSI tag is structured to
* resemble an HTML comment but this syntax does not constitute a comment
* within JavaScript and, hence, leaving the tag in place will result in
* problems in these cases. To work around this, any SSI tag which needs to
* output JavaScript code must do so in an encapsulated way, sending the whole
* HTML <script>...</script> section as a single include.
*/
typedef u16_t (*tSSIHandler)(
#if LWIP_HTTPD_SSI_RAW
const char* ssi_tag_name,
#else /* LWIP_HTTPD_SSI_RAW */
int iIndex,
#endif /* LWIP_HTTPD_SSI_RAW */
char *pcInsert, int iInsertLen
#if LWIP_HTTPD_SSI_MULTIPART
, u16_t current_tag_part, u16_t *next_tag_part
#endif /* LWIP_HTTPD_SSI_MULTIPART */
#if defined(LWIP_HTTPD_FILE_STATE) && LWIP_HTTPD_FILE_STATE
, void *connection_state
#endif /* LWIP_HTTPD_FILE_STATE */
);
/** Set the SSI handler function
* (if LWIP_HTTPD_SSI_RAW==1, only the first argument is used)
*/
void http_set_ssi_handler(tSSIHandler pfnSSIHandler,
const char **ppcTags, int iNumTags);
/** For LWIP_HTTPD_SSI_RAW==1, return this to indicate the tag is unknown.
* In this case, the webserver writes a warning into the page.
* You can also just return 0 to write nothing for unknown tags.
*/
#define HTTPD_SSI_TAG_UNKNOWN 0xFFFF
#endif /* LWIP_HTTPD_SSI */
#if LWIP_HTTPD_SUPPORT_POST
/* These functions must be implemented by the application */
/** Called when a POST request has been received. The application can decide
* whether to accept it or not.
*
* @param connection Unique connection identifier, valid until httpd_post_end
* is called.
* @param uri The HTTP header URI receiving the POST request.
* @param http_request The raw HTTP request (the first packet, normally).
* @param http_request_len Size of 'http_request'.
* @param content_len Content-Length from HTTP header.
* @param response_uri Filename of response file, to be filled when denying the
* request
* @param response_uri_len Size of the 'response_uri' buffer.
* @param post_auto_wnd Set this to 0 to let the callback code handle window
* updates by calling 'httpd_post_data_recved' (to throttle rx speed)
* default is 1 (httpd handles window updates automatically)
* @return ERR_OK: Accept the POST request, data may be passed in
* another err_t: Deny the POST request, send back 'bad request'.
*/
err_t httpd_post_begin(void *connection, const char *uri, const char *http_request,
u16_t http_request_len, int content_len, char *response_uri,
u16_t response_uri_len, u8_t *post_auto_wnd);
/** Called for each pbuf of data that has been received for a POST.
* ATTENTION: The application is responsible for freeing the pbufs passed in!
*
* @param connection Unique connection identifier.
* @param p Received data.
* @return ERR_OK: Data accepted.
* another err_t: Data denied, http_post_get_response_uri will be called.
*/
err_t httpd_post_receive_data(void *connection, struct pbuf *p);
/** Called when all data is received or when the connection is closed.
* The application must return the filename/URI of a file to send in response
* to this POST request. If the response_uri buffer is untouched, a 404
* response is returned.
*
* @param connection Unique connection identifier.
* @param response_uri Filename of response file, to be filled when denying the request
* @param response_uri_len Size of the 'response_uri' buffer.
*/
void httpd_post_finished(void *connection, char *response_uri, u16_t response_uri_len);
#if LWIP_HTTPD_POST_MANUAL_WND
void httpd_post_data_recved(void *connection, u16_t recved_len);
#endif /* LWIP_HTTPD_POST_MANUAL_WND */
#endif /* LWIP_HTTPD_SUPPORT_POST */
void httpd_init(void);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HTTPD_H */

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/**
* @file
* HTTP server options list
*/
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
* This version of the file has been modified by Texas Instruments to offer
* simple server-side-include (SSI) and Common Gateway Interface (CGI)
* capability.
*/
#ifndef LWIP_HDR_APPS_HTTPD_OPTS_H
#define LWIP_HDR_APPS_HTTPD_OPTS_H
#include "lwip/opt.h"
/**
* @defgroup httpd_opts Options
* @ingroup httpd
* @{
*/
/** Set this to 1 to support CGI (old style) */
#if !defined LWIP_HTTPD_CGI || defined __DOXYGEN__
#define LWIP_HTTPD_CGI 0
#endif
/** Set this to 1 to support CGI (new style) */
#if !defined LWIP_HTTPD_CGI_SSI || defined __DOXYGEN__
#define LWIP_HTTPD_CGI_SSI 0
#endif
/** Set this to 1 to support SSI (Server-Side-Includes) */
#if !defined LWIP_HTTPD_SSI || defined __DOXYGEN__
#define LWIP_HTTPD_SSI 0
#endif
/** Set this to 1 to implement an SSI tag handler callback that gets a const char*
* to the tag (instead of an index into a pre-registered array of known tags) */
#if !defined LWIP_HTTPD_SSI_RAW || defined __DOXYGEN__
#define LWIP_HTTPD_SSI_RAW 0
#endif
/** Set this to 1 to support HTTP POST */
#if !defined LWIP_HTTPD_SUPPORT_POST || defined __DOXYGEN__
#define LWIP_HTTPD_SUPPORT_POST 0
#endif
/* The maximum number of parameters that the CGI handler can be sent. */
#if !defined LWIP_HTTPD_MAX_CGI_PARAMETERS || defined __DOXYGEN__
#define LWIP_HTTPD_MAX_CGI_PARAMETERS 16
#endif
/** LWIP_HTTPD_SSI_MULTIPART==1: SSI handler function is called with 2 more
* arguments indicating a counter for insert string that are too long to be
* inserted at once: the SSI handler function must then set 'next_tag_part'
* which will be passed back to it in the next call. */
#if !defined LWIP_HTTPD_SSI_MULTIPART || defined __DOXYGEN__
#define LWIP_HTTPD_SSI_MULTIPART 0
#endif
/* The maximum length of the string comprising the tag name */
#if !defined LWIP_HTTPD_MAX_TAG_NAME_LEN || defined __DOXYGEN__
#define LWIP_HTTPD_MAX_TAG_NAME_LEN 8
#endif
/* The maximum length of string that can be returned to replace any given tag */
#if !defined LWIP_HTTPD_MAX_TAG_INSERT_LEN || defined __DOXYGEN__
#define LWIP_HTTPD_MAX_TAG_INSERT_LEN 192
#endif
#if !defined LWIP_HTTPD_POST_MANUAL_WND || defined __DOXYGEN__
#define LWIP_HTTPD_POST_MANUAL_WND 0
#endif
/** This string is passed in the HTTP header as "Server: " */
#if !defined HTTPD_SERVER_AGENT || defined __DOXYGEN__
#define HTTPD_SERVER_AGENT "lwIP/" LWIP_VERSION_STRING " (http://savannah.nongnu.org/projects/lwip)"
#endif
/** Set this to 1 if you want to include code that creates HTTP headers
* at runtime. Default is off: HTTP headers are then created statically
* by the makefsdata tool. Static headers mean smaller code size, but
* the (readonly) fsdata will grow a bit as every file includes the HTTP
* header. */
#if !defined LWIP_HTTPD_DYNAMIC_HEADERS || defined __DOXYGEN__
#define LWIP_HTTPD_DYNAMIC_HEADERS 0
#endif
#if !defined HTTPD_DEBUG || defined __DOXYGEN__
#define HTTPD_DEBUG LWIP_DBG_OFF
#endif
/** Set this to 1 to use a memp pool for allocating
* struct http_state instead of the heap.
*/
#if !defined HTTPD_USE_MEM_POOL || defined __DOXYGEN__
#define HTTPD_USE_MEM_POOL 0
#endif
/** The server port for HTTPD to use */
#if !defined HTTPD_SERVER_PORT || defined __DOXYGEN__
#define HTTPD_SERVER_PORT 80
#endif
/** Maximum retries before the connection is aborted/closed.
* - number of times pcb->poll is called -> default is 4*500ms = 2s;
* - reset when pcb->sent is called
*/
#if !defined HTTPD_MAX_RETRIES || defined __DOXYGEN__
#define HTTPD_MAX_RETRIES 4
#endif
/** The poll delay is X*500ms */
#if !defined HTTPD_POLL_INTERVAL || defined __DOXYGEN__
#define HTTPD_POLL_INTERVAL 4
#endif
/** Priority for tcp pcbs created by HTTPD (very low by default).
* Lower priorities get killed first when running out of memory.
*/
#if !defined HTTPD_TCP_PRIO || defined __DOXYGEN__
#define HTTPD_TCP_PRIO TCP_PRIO_MIN
#endif
/** Set this to 1 to enable timing each file sent */
#if !defined LWIP_HTTPD_TIMING || defined __DOXYGEN__
#define LWIP_HTTPD_TIMING 0
#endif
/** Set this to 1 to enable timing each file sent */
#if !defined HTTPD_DEBUG_TIMING || defined __DOXYGEN__
#define HTTPD_DEBUG_TIMING LWIP_DBG_OFF
#endif
/** Set this to one to show error pages when parsing a request fails instead
of simply closing the connection. */
#if !defined LWIP_HTTPD_SUPPORT_EXTSTATUS || defined __DOXYGEN__
#define LWIP_HTTPD_SUPPORT_EXTSTATUS 0
#endif
/** Set this to 0 to drop support for HTTP/0.9 clients (to save some bytes) */
#if !defined LWIP_HTTPD_SUPPORT_V09 || defined __DOXYGEN__
#define LWIP_HTTPD_SUPPORT_V09 1
#endif
/** Set this to 1 to enable HTTP/1.1 persistent connections.
* ATTENTION: If the generated file system includes HTTP headers, these must
* include the "Connection: keep-alive" header (pass argument "-11" to makefsdata).
*/
#if !defined LWIP_HTTPD_SUPPORT_11_KEEPALIVE || defined __DOXYGEN__
#define LWIP_HTTPD_SUPPORT_11_KEEPALIVE 0
#endif
/** Set this to 1 to support HTTP request coming in in multiple packets/pbufs */
#if !defined LWIP_HTTPD_SUPPORT_REQUESTLIST || defined __DOXYGEN__
#define LWIP_HTTPD_SUPPORT_REQUESTLIST 1
#endif
#if LWIP_HTTPD_SUPPORT_REQUESTLIST
/** Number of rx pbufs to enqueue to parse an incoming request (up to the first
newline) */
#if !defined LWIP_HTTPD_REQ_QUEUELEN || defined __DOXYGEN__
#define LWIP_HTTPD_REQ_QUEUELEN 5
#endif
/** Number of (TCP payload-) bytes (in pbufs) to enqueue to parse and incoming
request (up to the first double-newline) */
#if !defined LWIP_HTTPD_REQ_BUFSIZE || defined __DOXYGEN__
#define LWIP_HTTPD_REQ_BUFSIZE LWIP_HTTPD_MAX_REQ_LENGTH
#endif
/** Defines the maximum length of a HTTP request line (up to the first CRLF,
copied from pbuf into this a global buffer when pbuf- or packet-queues
are received - otherwise the input pbuf is used directly) */
#if !defined LWIP_HTTPD_MAX_REQ_LENGTH || defined __DOXYGEN__
#define LWIP_HTTPD_MAX_REQ_LENGTH LWIP_MIN(1023, (LWIP_HTTPD_REQ_QUEUELEN * PBUF_POOL_BUFSIZE))
#endif
#endif /* LWIP_HTTPD_SUPPORT_REQUESTLIST */
/** This is the size of a static buffer used when URIs end with '/'.
* In this buffer, the directory requested is concatenated with all the
* configured default file names.
* Set to 0 to disable checking default filenames on non-root directories.
*/
#if !defined LWIP_HTTPD_MAX_REQUEST_URI_LEN || defined __DOXYGEN__
#define LWIP_HTTPD_MAX_REQUEST_URI_LEN 63
#endif
/** Maximum length of the filename to send as response to a POST request,
* filled in by the application when a POST is finished.
*/
#if !defined LWIP_HTTPD_POST_MAX_RESPONSE_URI_LEN || defined __DOXYGEN__
#define LWIP_HTTPD_POST_MAX_RESPONSE_URI_LEN 63
#endif
/** Set this to 0 to not send the SSI tag (default is on, so the tag will
* be sent in the HTML page */
#if !defined LWIP_HTTPD_SSI_INCLUDE_TAG || defined __DOXYGEN__
#define LWIP_HTTPD_SSI_INCLUDE_TAG 1
#endif
/** Set this to 1 to call tcp_abort when tcp_close fails with memory error.
* This can be used to prevent consuming all memory in situations where the
* HTTP server has low priority compared to other communication. */
#if !defined LWIP_HTTPD_ABORT_ON_CLOSE_MEM_ERROR || defined __DOXYGEN__
#define LWIP_HTTPD_ABORT_ON_CLOSE_MEM_ERROR 0
#endif
/** Set this to 1 to kill the oldest connection when running out of
* memory for 'struct http_state' or 'struct http_ssi_state'.
* ATTENTION: This puts all connections on a linked list, so may be kind of slow.
*/
#if !defined LWIP_HTTPD_KILL_OLD_ON_CONNECTIONS_EXCEEDED || defined __DOXYGEN__
#define LWIP_HTTPD_KILL_OLD_ON_CONNECTIONS_EXCEEDED 0
#endif
/** Set this to 1 to send URIs without extension without headers
* (who uses this at all??) */
#if !defined LWIP_HTTPD_OMIT_HEADER_FOR_EXTENSIONLESS_URI || defined __DOXYGEN__
#define LWIP_HTTPD_OMIT_HEADER_FOR_EXTENSIONLESS_URI 0
#endif
/** Default: Tags are sent from struct http_state and are therefore volatile */
#if !defined HTTP_IS_TAG_VOLATILE || defined __DOXYGEN__
#define HTTP_IS_TAG_VOLATILE(ptr) TCP_WRITE_FLAG_COPY
#endif
/* By default, the httpd is limited to send 2*pcb->mss to keep resource usage low
when http is not an important protocol in the device. */
#if !defined HTTPD_LIMIT_SENDING_TO_2MSS || defined __DOXYGEN__
#define HTTPD_LIMIT_SENDING_TO_2MSS 1
#endif
/* Define this to a function that returns the maximum amount of data to enqueue.
The function have this signature: u16_t fn(struct tcp_pcb* pcb); */
#if !defined HTTPD_MAX_WRITE_LEN || defined __DOXYGEN__
#if HTTPD_LIMIT_SENDING_TO_2MSS
#define HTTPD_MAX_WRITE_LEN(pcb) (2 * tcp_mss(pcb))
#endif
#endif
/*------------------- FS OPTIONS -------------------*/
/** Set this to 1 and provide the functions:
* - "int fs_open_custom(struct fs_file *file, const char *name)"
* Called first for every opened file to allow opening files
* that are not included in fsdata(_custom).c
* - "void fs_close_custom(struct fs_file *file)"
* Called to free resources allocated by fs_open_custom().
*/
#if !defined LWIP_HTTPD_CUSTOM_FILES || defined __DOXYGEN__
#define LWIP_HTTPD_CUSTOM_FILES 0
#endif
/** Set this to 1 to support fs_read() to dynamically read file data.
* Without this (default=off), only one-block files are supported,
* and the contents must be ready after fs_open().
*/
#if !defined LWIP_HTTPD_DYNAMIC_FILE_READ || defined __DOXYGEN__
#define LWIP_HTTPD_DYNAMIC_FILE_READ 0
#endif
/** Set this to 1 to include an application state argument per file
* that is opened. This allows to keep a state per connection/file.
*/
#if !defined LWIP_HTTPD_FILE_STATE || defined __DOXYGEN__
#define LWIP_HTTPD_FILE_STATE 0
#endif
/** HTTPD_PRECALCULATED_CHECKSUM==1: include precompiled checksums for
* predefined (MSS-sized) chunks of the files to prevent having to calculate
* the checksums at runtime. */
#if !defined HTTPD_PRECALCULATED_CHECKSUM || defined __DOXYGEN__
#define HTTPD_PRECALCULATED_CHECKSUM 0
#endif
/** LWIP_HTTPD_FS_ASYNC_READ==1: support asynchronous read operations
* (fs_read_async returns FS_READ_DELAYED and calls a callback when finished).
*/
#if !defined LWIP_HTTPD_FS_ASYNC_READ || defined __DOXYGEN__
#define LWIP_HTTPD_FS_ASYNC_READ 0
#endif
/** Filename (including path) to use as FS data file */
#if !defined HTTPD_FSDATA_FILE || defined __DOXYGEN__
/* HTTPD_USE_CUSTOM_FSDATA: Compatibility with deprecated lwIP option */
#if defined(HTTPD_USE_CUSTOM_FSDATA) && (HTTPD_USE_CUSTOM_FSDATA != 0)
#define HTTPD_FSDATA_FILE "fsdata_custom.c"
#else
#define HTTPD_FSDATA_FILE "fsdata.c"
#endif
#endif
/**
* @}
*/
#endif /* LWIP_HDR_APPS_HTTPD_OPTS_H */

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/**
* @file
* lwIP iPerf server implementation
*/
/*
* Copyright (c) 2014 Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Simon Goldschmidt
*
*/
#ifndef LWIP_HDR_APPS_LWIPERF_H
#define LWIP_HDR_APPS_LWIPERF_H
#include "lwip/opt.h"
#include "lwip/ip_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
#define LWIPERF_TCP_PORT_DEFAULT 5001
/** lwIPerf test results */
enum lwiperf_report_type
{
/** The server side test is done */
LWIPERF_TCP_DONE_SERVER,
/** The client side test is done */
LWIPERF_TCP_DONE_CLIENT,
/** Local error lead to test abort */
LWIPERF_TCP_ABORTED_LOCAL,
/** Data check error lead to test abort */
LWIPERF_TCP_ABORTED_LOCAL_DATAERROR,
/** Transmit error lead to test abort */
LWIPERF_TCP_ABORTED_LOCAL_TXERROR,
/** Remote side aborted the test */
LWIPERF_TCP_ABORTED_REMOTE
};
/** Prototype of a report function that is called when a session is finished.
This report function can show the test results.
@param report_type contains the test result */
typedef void (*lwiperf_report_fn)(void *arg, enum lwiperf_report_type report_type,
const ip_addr_t* local_addr, u16_t local_port, const ip_addr_t* remote_addr, u16_t remote_port,
u32_t bytes_transferred, u32_t ms_duration, u32_t bandwidth_kbitpsec);
void* lwiperf_start_tcp_server(const ip_addr_t* local_addr, u16_t local_port,
lwiperf_report_fn report_fn, void* report_arg);
void* lwiperf_start_tcp_server_default(lwiperf_report_fn report_fn, void* report_arg);
void lwiperf_abort(void* lwiperf_session);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_LWIPERF_H */

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/**
* @file
* MDNS responder
*/
/*
* Copyright (c) 2015 Verisure Innovation AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Erik Ekman <erik@kryo.se>
*
*/
#ifndef LWIP_HDR_MDNS_H
#define LWIP_HDR_MDNS_H
#include "lwip/apps/mdns_opts.h"
#include "lwip/netif.h"
#if LWIP_MDNS_RESPONDER
enum mdns_sd_proto {
DNSSD_PROTO_UDP = 0,
DNSSD_PROTO_TCP = 1
};
#define MDNS_LABEL_MAXLEN 63
struct mdns_host;
struct mdns_service;
/** Callback function to add text to a reply, called when generating the reply */
typedef void (*service_get_txt_fn_t)(struct mdns_service *service, void *txt_userdata);
void mdns_resp_init(void);
err_t mdns_resp_add_netif(struct netif *netif, const char *hostname, u32_t dns_ttl);
err_t mdns_resp_remove_netif(struct netif *netif);
err_t mdns_resp_add_service(struct netif *netif, const char *name, const char *service, enum mdns_sd_proto proto, u16_t port, u32_t dns_ttl, service_get_txt_fn_t txt_fn, void *txt_userdata);
err_t mdns_resp_add_service_txtitem(struct mdns_service *service, const char *txt, u8_t txt_len);
void mdns_resp_netif_settings_changed(struct netif *netif);
#endif /* LWIP_MDNS_RESPONDER */
#endif /* LWIP_HDR_MDNS_H */

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/**
* @file
* MDNS responder
*/
/*
* Copyright (c) 2015 Verisure Innovation AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Erik Ekman <erik@kryo.se>
*
*/
#ifndef LWIP_HDR_APPS_MDNS_OPTS_H
#define LWIP_HDR_APPS_MDNS_OPTS_H
#include "lwip/opt.h"
/**
* @defgroup mdns_opts Options
* @ingroup mdns
* @{
*/
/**
* LWIP_MDNS_RESPONDER==1: Turn on multicast DNS module. UDP must be available for MDNS
* transport. IGMP is needed for IPv4 multicast.
*/
#ifndef LWIP_MDNS_RESPONDER
#define LWIP_MDNS_RESPONDER 1
#endif /* LWIP_MDNS_RESPONDER */
/** The maximum number of services per netif */
#ifndef MDNS_MAX_SERVICES
#define MDNS_MAX_SERVICES 1
#endif
/**
* MDNS_DEBUG: Enable debugging for multicast DNS.
*/
#ifndef MDNS_DEBUG
#define MDNS_DEBUG LWIP_DBG_OFF
#endif
/**
* @}
*/
#endif /* LWIP_HDR_APPS_MDNS_OPTS_H */

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/**
* @file
* MDNS responder private definitions
*/
/*
* Copyright (c) 2015 Verisure Innovation AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Erik Ekman <erik@kryo.se>
*
*/
#ifndef LWIP_HDR_MDNS_PRIV_H
#define LWIP_HDR_MDNS_PRIV_H
#include "lwip/apps/mdns_opts.h"
#include "lwip/pbuf.h"
#if LWIP_MDNS_RESPONDER
/* Domain struct and methods - visible for unit tests */
#define MDNS_DOMAIN_MAXLEN 256
#define MDNS_READNAME_ERROR 0xFFFF
struct mdns_domain {
/* Encoded domain name */
u8_t name[MDNS_DOMAIN_MAXLEN];
/* Total length of domain name, including zero */
u16_t length;
/* Set if compression of this domain is not allowed */
u8_t skip_compression;
};
err_t mdns_domain_add_label(struct mdns_domain *domain, const char *label, u8_t len);
u16_t mdns_readname(struct pbuf *p, u16_t offset, struct mdns_domain *domain);
int mdns_domain_eq(struct mdns_domain *a, struct mdns_domain *b);
u16_t mdns_compress_domain(struct pbuf *pbuf, u16_t *offset, struct mdns_domain *domain);
#endif /* LWIP_MDNS_RESPONDER */
#endif /* LWIP_HDR_MDNS_PRIV_H */

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/**
* @file
* MQTT client
*/
/*
* Copyright (c) 2016 Erik Andersson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Erik Andersson
*
*/
#ifndef LWIP_HDR_APPS_MQTT_CLIENT_H
#define LWIP_HDR_APPS_MQTT_CLIENT_H
#include "lwip/apps/mqtt_opts.h"
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct mqtt_client_t mqtt_client_t;
/** @ingroup mqtt
* Default MQTT port */
#define MQTT_PORT 1883
/*---------------------------------------------------------------------------------------------- */
/* Connection with server */
/**
* @ingroup mqtt
* Client information and connection parameters */
struct mqtt_connect_client_info_t {
/** Client identifier, must be set by caller */
const char *client_id;
/** User name and password, set to NULL if not used */
const char* client_user;
const char* client_pass;
/** keep alive time in seconds, 0 to disable keep alive functionality*/
u16_t keep_alive;
/** will topic, set to NULL if will is not to be used,
will_msg, will_qos and will retain are then ignored */
const char* will_topic;
const char* will_msg;
u8_t will_qos;
u8_t will_retain;
};
/**
* @ingroup mqtt
* Connection status codes */
typedef enum
{
MQTT_CONNECT_ACCEPTED = 0,
MQTT_CONNECT_REFUSED_PROTOCOL_VERSION = 1,
MQTT_CONNECT_REFUSED_IDENTIFIER = 2,
MQTT_CONNECT_REFUSED_SERVER = 3,
MQTT_CONNECT_REFUSED_USERNAME_PASS = 4,
MQTT_CONNECT_REFUSED_NOT_AUTHORIZED_ = 5,
MQTT_CONNECT_DISCONNECTED = 256,
MQTT_CONNECT_TIMEOUT = 257
} mqtt_connection_status_t;
/**
* @ingroup mqtt
* Function prototype for mqtt connection status callback. Called when
* client has connected to the server after initiating a mqtt connection attempt by
* calling mqtt_connect() or when connection is closed by server or an error
*
* @param client MQTT client itself
* @param arg Additional argument to pass to the callback function
* @param status Connect result code or disconnection notification @see mqtt_connection_status_t
*
*/
typedef void (*mqtt_connection_cb_t)(mqtt_client_t *client, void *arg, mqtt_connection_status_t status);
/**
* @ingroup mqtt
* Data callback flags */
enum {
/** Flag set when last fragment of data arrives in data callback */
MQTT_DATA_FLAG_LAST = 1
};
/**
* @ingroup mqtt
* Function prototype for MQTT incoming publish data callback function. Called when data
* arrives to a subscribed topic @see mqtt_subscribe
*
* @param arg Additional argument to pass to the callback function
* @param data User data, pointed object, data may not be referenced after callback return,
NULL is passed when all publish data are delivered
* @param len Length of publish data fragment
* @param flags MQTT_DATA_FLAG_LAST set when this call contains the last part of data from publish message
*
*/
typedef void (*mqtt_incoming_data_cb_t)(void *arg, const u8_t *data, u16_t len, u8_t flags);
/**
* @ingroup mqtt
* Function prototype for MQTT incoming publish function. Called when an incoming publish
* arrives to a subscribed topic @see mqtt_subscribe
*
* @param arg Additional argument to pass to the callback function
* @param topic Zero terminated Topic text string, topic may not be referenced after callback return
* @param tot_len Total length of publish data, if set to 0 (no publish payload) data callback will not be invoked
*/
typedef void (*mqtt_incoming_publish_cb_t)(void *arg, const char *topic, u32_t tot_len);
/**
* @ingroup mqtt
* Function prototype for mqtt request callback. Called when a subscribe, unsubscribe
* or publish request has completed
* @param arg Pointer to user data supplied when invoking request
* @param err ERR_OK on success
* ERR_TIMEOUT if no response was received within timeout,
* ERR_ABRT if (un)subscribe was denied
*/
typedef void (*mqtt_request_cb_t)(void *arg, err_t err);
/**
* Pending request item, binds application callback to pending server requests
*/
struct mqtt_request_t
{
/** Next item in list, NULL means this is the last in chain,
next pointing at itself means request is unallocated */
struct mqtt_request_t *next;
/** Callback to upper layer */
mqtt_request_cb_t cb;
void *arg;
/** MQTT packet identifier */
u16_t pkt_id;
/** Expire time relative to element before this */
u16_t timeout_diff;
};
/** Ring buffer */
struct mqtt_ringbuf_t {
u16_t put;
u16_t get;
u8_t buf[MQTT_OUTPUT_RINGBUF_SIZE];
};
/** MQTT client */
struct mqtt_client_t
{
/** Timers and timeouts */
u16_t cyclic_tick;
u16_t keep_alive;
u16_t server_watchdog;
/** Packet identifier generator*/
u16_t pkt_id_seq;
/** Packet identifier of pending incoming publish */
u16_t inpub_pkt_id;
/** Connection state */
u8_t conn_state;
struct tcp_pcb *conn;
/** Connection callback */
void *connect_arg;
mqtt_connection_cb_t connect_cb;
/** Pending requests to server */
struct mqtt_request_t *pend_req_queue;
struct mqtt_request_t req_list[MQTT_REQ_MAX_IN_FLIGHT];
void *inpub_arg;
/** Incoming data callback */
mqtt_incoming_data_cb_t data_cb;
mqtt_incoming_publish_cb_t pub_cb;
/** Input */
u32_t msg_idx;
u8_t rx_buffer[MQTT_VAR_HEADER_BUFFER_LEN];
/** Output ring-buffer */
struct mqtt_ringbuf_t output;
};
/** Connect to server */
err_t mqtt_client_connect(mqtt_client_t *client, const ip_addr_t *ipaddr, u16_t port, mqtt_connection_cb_t cb, void *arg,
const struct mqtt_connect_client_info_t *client_info);
/** Disconnect from server */
void mqtt_disconnect(mqtt_client_t *client);
/** Create new client */
mqtt_client_t *mqtt_client_new(void);
/** Check connection status */
u8_t mqtt_client_is_connected(mqtt_client_t *client);
/** Set callback to call for incoming publish */
void mqtt_set_inpub_callback(mqtt_client_t *client, mqtt_incoming_publish_cb_t,
mqtt_incoming_data_cb_t data_cb, void *arg);
/** Common function for subscribe and unsubscribe */
err_t mqtt_sub_unsub(mqtt_client_t *client, const char *topic, u8_t qos, mqtt_request_cb_t cb, void *arg, u8_t sub);
/** @ingroup mqtt
*Subscribe to topic */
#define mqtt_subscribe(client, topic, qos, cb, arg) mqtt_sub_unsub(client, topic, qos, cb, arg, 1)
/** @ingroup mqtt
* Unsubscribe to topic */
#define mqtt_unsubscribe(client, topic, cb, arg) mqtt_sub_unsub(client, topic, 0, cb, arg, 0)
/** Publish data to topic */
err_t mqtt_publish(mqtt_client_t *client, const char *topic, const void *payload, u16_t payload_length, u8_t qos, u8_t retain,
mqtt_request_cb_t cb, void *arg);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_MQTT_CLIENT_H */

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/**
* @file
* MQTT client options
*/
/*
* Copyright (c) 2016 Erik Andersson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Erik Andersson
*
*/
#ifndef LWIP_HDR_APPS_MQTT_OPTS_H
#define LWIP_HDR_APPS_MQTT_OPTS_H
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @defgroup mqtt_opts Options
* @ingroup mqtt
* @{
*/
/**
* Output ring-buffer size, must be able to fit largest outgoing publish message topic+payloads
*/
#ifndef MQTT_OUTPUT_RINGBUF_SIZE
#define MQTT_OUTPUT_RINGBUF_SIZE 256
#endif
/**
* Number of bytes in receive buffer, must be at least the size of the longest incoming topic + 8
* If one wants to avoid fragmented incoming publish, set length to max incoming topic length + max payload length + 8
*/
#ifndef MQTT_VAR_HEADER_BUFFER_LEN
#define MQTT_VAR_HEADER_BUFFER_LEN 128
#endif
/**
* Maximum number of pending subscribe, unsubscribe and publish requests to server .
*/
#ifndef MQTT_REQ_MAX_IN_FLIGHT
#define MQTT_REQ_MAX_IN_FLIGHT 4
#endif
/**
* Seconds between each cyclic timer call.
*/
#ifndef MQTT_CYCLIC_TIMER_INTERVAL
#define MQTT_CYCLIC_TIMER_INTERVAL 5
#endif
/**
* Publish, subscribe and unsubscribe request timeout in seconds.
*/
#ifndef MQTT_REQ_TIMEOUT
#define MQTT_REQ_TIMEOUT 30
#endif
/**
* Seconds for MQTT connect response timeout after sending connect request
*/
#ifndef MQTT_CONNECT_TIMOUT
#define MQTT_CONNECT_TIMOUT 100
#endif
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_MQTT_OPTS_H */

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/**
* @file
* NETBIOS name service responder
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#ifndef LWIP_HDR_APPS_NETBIOS_H
#define LWIP_HDR_APPS_NETBIOS_H
#include "lwip/apps/netbiosns_opts.h"
void netbiosns_init(void);
#ifndef NETBIOS_LWIP_NAME
void netbiosns_set_name(const char* hostname);
#endif
void netbiosns_stop(void);
#endif /* LWIP_HDR_APPS_NETBIOS_H */

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/**
* @file
* NETBIOS name service responder options
*/
/*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
*/
#ifndef LWIP_HDR_APPS_NETBIOS_OPTS_H
#define LWIP_HDR_APPS_NETBIOS_OPTS_H
#include "lwip/opt.h"
/**
* @defgroup netbiosns_opts Options
* @ingroup netbiosns
* @{
*/
/** NetBIOS name of lwip device
* This must be uppercase until NETBIOS_STRCMP() is defined to a string
* comparision function that is case insensitive.
* If you want to use the netif's hostname, use this (with LWIP_NETIF_HOSTNAME):
* (ip_current_netif() != NULL ? ip_current_netif()->hostname != NULL ? ip_current_netif()->hostname : "" : "")
*
* If this is not defined, netbiosns_set_name() can be called at runtime to change the name.
*/
#ifdef __DOXYGEN__
#define NETBIOS_LWIP_NAME "NETBIOSLWIPDEV"
#endif
/**
* @}
*/
#endif /* LWIP_HDR_APPS_NETBIOS_OPTS_H */

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/**
* @file
* SNMP server main API - start and basic configuration
*/
/*
* Copyright (c) 2001, 2002 Leon Woestenberg <leon.woestenberg@axon.tv>
* Copyright (c) 2001, 2002 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Leon Woestenberg <leon.woestenberg@axon.tv>
* Martin Hentschel <info@cl-soft.de>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_H
#define LWIP_HDR_APPS_SNMP_H
#include "lwip/apps/snmp_opts.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "lwip/err.h"
#include "lwip/apps/snmp_core.h"
/** SNMP variable binding descriptor (publically needed for traps) */
struct snmp_varbind
{
/** pointer to next varbind, NULL for last in list */
struct snmp_varbind *next;
/** pointer to previous varbind, NULL for first in list */
struct snmp_varbind *prev;
/** object identifier */
struct snmp_obj_id oid;
/** value ASN1 type */
u8_t type;
/** object value length */
u16_t value_len;
/** object value */
void *value;
};
/**
* @ingroup snmp_core
* Agent setup, start listening to port 161.
*/
void snmp_init(void);
void snmp_set_mibs(const struct snmp_mib **mibs, u8_t num_mibs);
void snmp_set_device_enterprise_oid(const struct snmp_obj_id* device_enterprise_oid);
const struct snmp_obj_id* snmp_get_device_enterprise_oid(void);
void snmp_trap_dst_enable(u8_t dst_idx, u8_t enable);
void snmp_trap_dst_ip_set(u8_t dst_idx, const ip_addr_t *dst);
/** Generic trap: cold start */
#define SNMP_GENTRAP_COLDSTART 0
/** Generic trap: warm start */
#define SNMP_GENTRAP_WARMSTART 1
/** Generic trap: link down */
#define SNMP_GENTRAP_LINKDOWN 2
/** Generic trap: link up */
#define SNMP_GENTRAP_LINKUP 3
/** Generic trap: authentication failure */
#define SNMP_GENTRAP_AUTH_FAILURE 4
/** Generic trap: EGP neighbor lost */
#define SNMP_GENTRAP_EGP_NEIGHBOR_LOSS 5
/** Generic trap: enterprise specific */
#define SNMP_GENTRAP_ENTERPRISE_SPECIFIC 6
err_t snmp_send_trap_generic(s32_t generic_trap);
err_t snmp_send_trap_specific(s32_t specific_trap, struct snmp_varbind *varbinds);
err_t snmp_send_trap(const struct snmp_obj_id* oid, s32_t generic_trap, s32_t specific_trap, struct snmp_varbind *varbinds);
#define SNMP_AUTH_TRAPS_DISABLED 0
#define SNMP_AUTH_TRAPS_ENABLED 1
void snmp_set_auth_traps_enabled(u8_t enable);
u8_t snmp_get_auth_traps_enabled(void);
const char * snmp_get_community(void);
const char * snmp_get_community_write(void);
const char * snmp_get_community_trap(void);
void snmp_set_community(const char * const community);
void snmp_set_community_write(const char * const community);
void snmp_set_community_trap(const char * const community);
void snmp_coldstart_trap(void);
void snmp_authfail_trap(void);
typedef void (*snmp_write_callback_fct)(const u32_t* oid, u8_t oid_len, void* callback_arg);
void snmp_set_write_callback(snmp_write_callback_fct write_callback, void* callback_arg);
#endif /* LWIP_SNMP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNMP_H */

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/**
* @file
* SNMP core API for implementing MIBs
*/
/*
* Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Christiaan Simons <christiaan.simons@axon.tv>
* Martin Hentschel <info@cl-soft.de>
*/
#ifndef LWIP_HDR_APPS_SNMP_CORE_H
#define LWIP_HDR_APPS_SNMP_CORE_H
#include "lwip/apps/snmp_opts.h"
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "lwip/ip_addr.h"
#include "lwip/err.h"
#ifdef __cplusplus
extern "C" {
#endif
/* basic ASN1 defines */
#define SNMP_ASN1_CLASS_UNIVERSAL 0x00
#define SNMP_ASN1_CLASS_APPLICATION 0x40
#define SNMP_ASN1_CLASS_CONTEXT 0x80
#define SNMP_ASN1_CLASS_PRIVATE 0xC0
#define SNMP_ASN1_CONTENTTYPE_PRIMITIVE 0x00
#define SNMP_ASN1_CONTENTTYPE_CONSTRUCTED 0x20
/* universal tags (from ASN.1 spec.) */
#define SNMP_ASN1_UNIVERSAL_END_OF_CONTENT 0
#define SNMP_ASN1_UNIVERSAL_INTEGER 2
#define SNMP_ASN1_UNIVERSAL_OCTET_STRING 4
#define SNMP_ASN1_UNIVERSAL_NULL 5
#define SNMP_ASN1_UNIVERSAL_OBJECT_ID 6
#define SNMP_ASN1_UNIVERSAL_SEQUENCE_OF 16
/* application specific (SNMP) tags (from SNMPv2-SMI) */
#define SNMP_ASN1_APPLICATION_IPADDR 0 /* [APPLICATION 0] IMPLICIT OCTET STRING (SIZE (4)) */
#define SNMP_ASN1_APPLICATION_COUNTER 1 /* [APPLICATION 1] IMPLICIT INTEGER (0..4294967295) => u32_t */
#define SNMP_ASN1_APPLICATION_GAUGE 2 /* [APPLICATION 2] IMPLICIT INTEGER (0..4294967295) => u32_t */
#define SNMP_ASN1_APPLICATION_TIMETICKS 3 /* [APPLICATION 3] IMPLICIT INTEGER (0..4294967295) => u32_t */
#define SNMP_ASN1_APPLICATION_OPAQUE 4 /* [APPLICATION 4] IMPLICIT OCTET STRING */
#define SNMP_ASN1_APPLICATION_COUNTER64 6 /* [APPLICATION 6] IMPLICIT INTEGER (0..18446744073709551615) */
/* context specific (SNMP) tags (from RFC 1905) */
#define SNMP_ASN1_CONTEXT_VARBIND_NO_SUCH_INSTANCE 1
/* full ASN1 type defines */
#define SNMP_ASN1_TYPE_END_OF_CONTENT (SNMP_ASN1_CLASS_UNIVERSAL | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_UNIVERSAL_END_OF_CONTENT)
#define SNMP_ASN1_TYPE_INTEGER (SNMP_ASN1_CLASS_UNIVERSAL | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_UNIVERSAL_INTEGER)
#define SNMP_ASN1_TYPE_OCTET_STRING (SNMP_ASN1_CLASS_UNIVERSAL | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_UNIVERSAL_OCTET_STRING)
#define SNMP_ASN1_TYPE_NULL (SNMP_ASN1_CLASS_UNIVERSAL | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_UNIVERSAL_NULL)
#define SNMP_ASN1_TYPE_OBJECT_ID (SNMP_ASN1_CLASS_UNIVERSAL | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_UNIVERSAL_OBJECT_ID)
#define SNMP_ASN1_TYPE_SEQUENCE (SNMP_ASN1_CLASS_UNIVERSAL | SNMP_ASN1_CONTENTTYPE_CONSTRUCTED | SNMP_ASN1_UNIVERSAL_SEQUENCE_OF)
#define SNMP_ASN1_TYPE_IPADDR (SNMP_ASN1_CLASS_APPLICATION | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_APPLICATION_IPADDR)
#define SNMP_ASN1_TYPE_IPADDRESS SNMP_ASN1_TYPE_IPADDR
#define SNMP_ASN1_TYPE_COUNTER (SNMP_ASN1_CLASS_APPLICATION | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_APPLICATION_COUNTER)
#define SNMP_ASN1_TYPE_COUNTER32 SNMP_ASN1_TYPE_COUNTER
#define SNMP_ASN1_TYPE_GAUGE (SNMP_ASN1_CLASS_APPLICATION | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_APPLICATION_GAUGE)
#define SNMP_ASN1_TYPE_GAUGE32 SNMP_ASN1_TYPE_GAUGE
#define SNMP_ASN1_TYPE_UNSIGNED32 SNMP_ASN1_TYPE_GAUGE
#define SNMP_ASN1_TYPE_TIMETICKS (SNMP_ASN1_CLASS_APPLICATION | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_APPLICATION_TIMETICKS)
#define SNMP_ASN1_TYPE_OPAQUE (SNMP_ASN1_CLASS_APPLICATION | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_APPLICATION_OPAQUE)
#define SNMP_ASN1_TYPE_COUNTER64 (SNMP_ASN1_CLASS_APPLICATION | SNMP_ASN1_CONTENTTYPE_PRIMITIVE | SNMP_ASN1_APPLICATION_COUNTER64)
#define SNMP_VARBIND_EXCEPTION_OFFSET 0xF0
#define SNMP_VARBIND_EXCEPTION_MASK 0x0F
/** error codes predefined by SNMP prot. */
typedef enum {
SNMP_ERR_NOERROR = 0,
/*
outdated v1 error codes. do not use anmore!
#define SNMP_ERR_NOSUCHNAME 2 use SNMP_ERR_NOSUCHINSTANCE instead
#define SNMP_ERR_BADVALUE 3 use SNMP_ERR_WRONGTYPE,SNMP_ERR_WRONGLENGTH,SNMP_ERR_WRONGENCODING or SNMP_ERR_WRONGVALUE instead
#define SNMP_ERR_READONLY 4 use SNMP_ERR_NOTWRITABLE instead
*/
SNMP_ERR_GENERROR = 5,
SNMP_ERR_NOACCESS = 6,
SNMP_ERR_WRONGTYPE = 7,
SNMP_ERR_WRONGLENGTH = 8,
SNMP_ERR_WRONGENCODING = 9,
SNMP_ERR_WRONGVALUE = 10,
SNMP_ERR_NOCREATION = 11,
SNMP_ERR_INCONSISTENTVALUE = 12,
SNMP_ERR_RESOURCEUNAVAILABLE = 13,
SNMP_ERR_COMMITFAILED = 14,
SNMP_ERR_UNDOFAILED = 15,
SNMP_ERR_NOTWRITABLE = 17,
SNMP_ERR_INCONSISTENTNAME = 18,
SNMP_ERR_NOSUCHINSTANCE = SNMP_VARBIND_EXCEPTION_OFFSET + SNMP_ASN1_CONTEXT_VARBIND_NO_SUCH_INSTANCE
} snmp_err_t;
/** internal object identifier representation */
struct snmp_obj_id
{
u8_t len;
u32_t id[SNMP_MAX_OBJ_ID_LEN];
};
struct snmp_obj_id_const_ref
{
u8_t len;
const u32_t* id;
};
extern const struct snmp_obj_id_const_ref snmp_zero_dot_zero; /* administrative identifier from SNMPv2-SMI */
/** SNMP variant value, used as reference in struct snmp_node_instance and table implementation */
union snmp_variant_value
{
void* ptr;
const void* const_ptr;
u32_t u32;
s32_t s32;
};
/**
SNMP MIB node types
tree node is the only node the stack can process in order to walk the tree,
all other nodes are assumed to be leaf nodes.
This cannot be an enum because users may want to define their own node types.
*/
#define SNMP_NODE_TREE 0x00
/* predefined leaf node types */
#define SNMP_NODE_SCALAR 0x01
#define SNMP_NODE_SCALAR_ARRAY 0x02
#define SNMP_NODE_TABLE 0x03
#define SNMP_NODE_THREADSYNC 0x04
/** node "base class" layout, the mandatory fields for a node */
struct snmp_node
{
/** one out of SNMP_NODE_TREE or any leaf node type (like SNMP_NODE_SCALAR) */
u8_t node_type;
/** the number assigned to this node which used as part of the full OID */
u32_t oid;
};
/** SNMP node instance access types */
typedef enum {
SNMP_NODE_INSTANCE_ACCESS_READ = 1,
SNMP_NODE_INSTANCE_ACCESS_WRITE = 2,
SNMP_NODE_INSTANCE_READ_ONLY = SNMP_NODE_INSTANCE_ACCESS_READ,
SNMP_NODE_INSTANCE_READ_WRITE = (SNMP_NODE_INSTANCE_ACCESS_READ | SNMP_NODE_INSTANCE_ACCESS_WRITE),
SNMP_NODE_INSTANCE_WRITE_ONLY = SNMP_NODE_INSTANCE_ACCESS_WRITE,
SNMP_NODE_INSTANCE_NOT_ACCESSIBLE = 0
} snmp_access_t;
struct snmp_node_instance;
typedef s16_t (*node_instance_get_value_method)(struct snmp_node_instance*, void*);
typedef snmp_err_t (*node_instance_set_test_method)(struct snmp_node_instance*, u16_t, void*);
typedef snmp_err_t (*node_instance_set_value_method)(struct snmp_node_instance*, u16_t, void*);
typedef void (*node_instance_release_method)(struct snmp_node_instance*);
#define SNMP_GET_VALUE_RAW_DATA 0x8000
/** SNMP node instance */
struct snmp_node_instance
{
/** prefilled with the node, get_instance() is called on; may be changed by user to any value to pass an arbitrary node between calls to get_instance() and get_value/test_value/set_value */
const struct snmp_node* node;
/** prefilled with the instance id requested; for get_instance() this is the exact oid requested; for get_next_instance() this is the relative starting point, stack expects relative oid of next node here */
struct snmp_obj_id instance_oid;
/** ASN type for this object (see snmp_asn1.h for definitions) */
u8_t asn1_type;
/** one out of instance access types defined above (SNMP_NODE_INSTANCE_READ_ONLY,...) */
snmp_access_t access;
/** returns object value for the given object identifier. Return values <0 to indicate an error */
node_instance_get_value_method get_value;
/** tests length and/or range BEFORE setting */
node_instance_set_test_method set_test;
/** sets object value, only called when set_test() was successful */
node_instance_set_value_method set_value;
/** called in any case when the instance is not required anymore by stack (useful for freeing memory allocated in get_instance/get_next_instance methods) */
node_instance_release_method release_instance;
/** reference to pass arbitrary value between calls to get_instance() and get_value/test_value/set_value */
union snmp_variant_value reference;
/** see reference (if reference is a pointer, the length of underlying data may be stored here or anything else) */
u32_t reference_len;
};
/** SNMP tree node */
struct snmp_tree_node
{
/** inherited "base class" members */
struct snmp_node node;
u16_t subnode_count;
const struct snmp_node* const *subnodes;
};
#define SNMP_CREATE_TREE_NODE(oid, subnodes) \
{{ SNMP_NODE_TREE, (oid) }, \
(u16_t)LWIP_ARRAYSIZE(subnodes), (subnodes) }
#define SNMP_CREATE_EMPTY_TREE_NODE(oid) \
{{ SNMP_NODE_TREE, (oid) }, \
0, NULL }
/** SNMP leaf node */
struct snmp_leaf_node
{
/** inherited "base class" members */
struct snmp_node node;
snmp_err_t (*get_instance)(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
snmp_err_t (*get_next_instance)(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
};
/** represents a single mib with its base oid and root node */
struct snmp_mib
{
const u32_t *base_oid;
u8_t base_oid_len;
const struct snmp_node *root_node;
};
#define SNMP_MIB_CREATE(oid_list, root_node) { (oid_list), (u8_t)LWIP_ARRAYSIZE(oid_list), root_node }
/** OID range structure */
struct snmp_oid_range
{
u32_t min;
u32_t max;
};
/** checks if incoming OID length and values are in allowed ranges */
u8_t snmp_oid_in_range(const u32_t *oid_in, u8_t oid_len, const struct snmp_oid_range *oid_ranges, u8_t oid_ranges_len);
typedef enum {
SNMP_NEXT_OID_STATUS_SUCCESS,
SNMP_NEXT_OID_STATUS_NO_MATCH,
SNMP_NEXT_OID_STATUS_BUF_TO_SMALL
} snmp_next_oid_status_t;
/** state for next_oid_init / next_oid_check functions */
struct snmp_next_oid_state
{
const u32_t* start_oid;
u8_t start_oid_len;
u32_t* next_oid;
u8_t next_oid_len;
u8_t next_oid_max_len;
snmp_next_oid_status_t status;
void* reference;
};
void snmp_next_oid_init(struct snmp_next_oid_state *state,
const u32_t *start_oid, u8_t start_oid_len,
u32_t *next_oid_buf, u8_t next_oid_max_len);
u8_t snmp_next_oid_precheck(struct snmp_next_oid_state *state, const u32_t *oid, const u8_t oid_len);
u8_t snmp_next_oid_check(struct snmp_next_oid_state *state, const u32_t *oid, const u8_t oid_len, void* reference);
void snmp_oid_assign(struct snmp_obj_id* target, const u32_t *oid, u8_t oid_len);
void snmp_oid_combine(struct snmp_obj_id* target, const u32_t *oid1, u8_t oid1_len, const u32_t *oid2, u8_t oid2_len);
void snmp_oid_prefix(struct snmp_obj_id* target, const u32_t *oid, u8_t oid_len);
void snmp_oid_append(struct snmp_obj_id* target, const u32_t *oid, u8_t oid_len);
u8_t snmp_oid_equal(const u32_t *oid1, u8_t oid1_len, const u32_t *oid2, u8_t oid2_len);
s8_t snmp_oid_compare(const u32_t *oid1, u8_t oid1_len, const u32_t *oid2, u8_t oid2_len);
#if LWIP_IPV4
u8_t snmp_oid_to_ip4(const u32_t *oid, ip4_addr_t *ip);
void snmp_ip4_to_oid(const ip4_addr_t *ip, u32_t *oid);
#endif /* LWIP_IPV4 */
#if LWIP_IPV6
u8_t snmp_oid_to_ip6(const u32_t *oid, ip6_addr_t *ip);
void snmp_ip6_to_oid(const ip6_addr_t *ip, u32_t *oid);
#endif /* LWIP_IPV6 */
#if LWIP_IPV4 || LWIP_IPV6
u8_t snmp_ip_to_oid(const ip_addr_t *ip, u32_t *oid);
u8_t snmp_ip_port_to_oid(const ip_addr_t *ip, u16_t port, u32_t *oid);
u8_t snmp_oid_to_ip(const u32_t *oid, u8_t oid_len, ip_addr_t *ip);
u8_t snmp_oid_to_ip_port(const u32_t *oid, u8_t oid_len, ip_addr_t *ip, u16_t *port);
#endif /* LWIP_IPV4 || LWIP_IPV6 */
struct netif;
u8_t netif_to_num(const struct netif *netif);
snmp_err_t snmp_set_test_ok(struct snmp_node_instance* instance, u16_t value_len, void* value); /* generic function which can be used if test is always successful */
err_t snmp_decode_bits(const u8_t *buf, u32_t buf_len, u32_t *bit_value);
err_t snmp_decode_truthvalue(const s32_t *asn1_value, u8_t *bool_value);
u8_t snmp_encode_bits(u8_t *buf, u32_t buf_len, u32_t bit_value, u8_t bit_count);
u8_t snmp_encode_truthvalue(s32_t *asn1_value, u32_t bool_value);
struct snmp_statistics
{
u32_t inpkts;
u32_t outpkts;
u32_t inbadversions;
u32_t inbadcommunitynames;
u32_t inbadcommunityuses;
u32_t inasnparseerrs;
u32_t intoobigs;
u32_t innosuchnames;
u32_t inbadvalues;
u32_t inreadonlys;
u32_t ingenerrs;
u32_t intotalreqvars;
u32_t intotalsetvars;
u32_t ingetrequests;
u32_t ingetnexts;
u32_t insetrequests;
u32_t ingetresponses;
u32_t intraps;
u32_t outtoobigs;
u32_t outnosuchnames;
u32_t outbadvalues;
u32_t outgenerrs;
u32_t outgetrequests;
u32_t outgetnexts;
u32_t outsetrequests;
u32_t outgetresponses;
u32_t outtraps;
};
extern struct snmp_statistics snmp_stats;
#ifdef __cplusplus
}
#endif
#endif /* LWIP_SNMP */
#endif /* LWIP_HDR_APPS_SNMP_CORE_H */

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/**
* @file
* SNMP MIB2 API
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_MIB2_H
#define LWIP_HDR_APPS_SNMP_MIB2_H
#include "lwip/apps/snmp_opts.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#if SNMP_LWIP_MIB2
#include "lwip/apps/snmp_core.h"
extern const struct snmp_mib mib2;
#if SNMP_USE_NETCONN
#include "lwip/apps/snmp_threadsync.h"
void snmp_mib2_lwip_synchronizer(snmp_threadsync_called_fn fn, void* arg);
extern struct snmp_threadsync_instance snmp_mib2_lwip_locks;
#endif
#ifndef SNMP_SYSSERVICES
#define SNMP_SYSSERVICES ((1 << 6) | (1 << 3) | ((IP_FORWARD) << 2))
#endif
void snmp_mib2_set_sysdescr(const u8_t* str, const u16_t* len); /* read-only be defintion */
void snmp_mib2_set_syscontact(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize);
void snmp_mib2_set_syscontact_readonly(const u8_t *ocstr, const u16_t *ocstrlen);
void snmp_mib2_set_sysname(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize);
void snmp_mib2_set_sysname_readonly(const u8_t *ocstr, const u16_t *ocstrlen);
void snmp_mib2_set_syslocation(u8_t *ocstr, u16_t *ocstrlen, u16_t bufsize);
void snmp_mib2_set_syslocation_readonly(const u8_t *ocstr, const u16_t *ocstrlen);
#endif /* SNMP_LWIP_MIB2 */
#endif /* LWIP_SNMP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNMP_MIB2_H */

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/**
* @file
* SNMP server options list
*/
/*
* Copyright (c) 2015 Dirk Ziegelmeier
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Dirk Ziegelmeier
*
*/
#ifndef LWIP_HDR_SNMP_OPTS_H
#define LWIP_HDR_SNMP_OPTS_H
#include "lwip/opt.h"
/**
* @defgroup snmp_opts Options
* @ingroup snmp
* @{
*/
/**
* LWIP_SNMP==1: This enables the lwIP SNMP agent. UDP must be available
* for SNMP transport.
* If you want to use your own SNMP agent, leave this disabled.
* To integrate MIB2 of an external agent, you need to enable
* LWIP_MIB2_CALLBACKS and MIB2_STATS. This will give you the callbacks
* and statistics counters you need to get MIB2 working.
*/
#if !defined LWIP_SNMP || defined __DOXYGEN__
#define LWIP_SNMP 0
#endif
/**
* SNMP_USE_NETCONN: Use netconn API instead of raw API.
* Makes SNMP agent run in a worker thread, so blocking operations
* can be done in MIB calls.
*/
#if !defined SNMP_USE_NETCONN || defined __DOXYGEN__
#define SNMP_USE_NETCONN 0
#endif
/**
* SNMP_USE_RAW: Use raw API.
* SNMP agent does not run in a worker thread, so blocking operations
* should not be done in MIB calls.
*/
#if !defined SNMP_USE_RAW || defined __DOXYGEN__
#define SNMP_USE_RAW 1
#endif
#if SNMP_USE_NETCONN && SNMP_USE_RAW
#error SNMP stack can use only one of the APIs {raw, netconn}
#endif
#if LWIP_SNMP && !SNMP_USE_NETCONN && !SNMP_USE_RAW
#error SNMP stack needs a receive API and UDP {raw, netconn}
#endif
#if SNMP_USE_NETCONN
/**
* SNMP_STACK_SIZE: Stack size of SNMP netconn worker thread
*/
#if !defined SNMP_STACK_SIZE || defined __DOXYGEN__
#define SNMP_STACK_SIZE DEFAULT_THREAD_STACKSIZE
#endif
/**
* SNMP_THREAD_PRIO: SNMP netconn worker thread priority
*/
#if !defined SNMP_THREAD_PRIO || defined __DOXYGEN__
#define SNMP_THREAD_PRIO DEFAULT_THREAD_PRIO
#endif
#endif /* SNMP_USE_NETCONN */
/**
* SNMP_TRAP_DESTINATIONS: Number of trap destinations. At least one trap
* destination is required
*/
#if !defined SNMP_TRAP_DESTINATIONS || defined __DOXYGEN__
#define SNMP_TRAP_DESTINATIONS 1
#endif
/**
* Only allow SNMP write actions that are 'safe' (e.g. disabling netifs is not
* a safe action and disabled when SNMP_SAFE_REQUESTS = 1).
* Unsafe requests are disabled by default!
*/
#if !defined SNMP_SAFE_REQUESTS || defined __DOXYGEN__
#define SNMP_SAFE_REQUESTS 1
#endif
/**
* The maximum length of strings used.
*/
#if !defined SNMP_MAX_OCTET_STRING_LEN || defined __DOXYGEN__
#define SNMP_MAX_OCTET_STRING_LEN 127
#endif
/**
* The maximum number of Sub ID's inside an object identifier.
* Indirectly this also limits the maximum depth of SNMP tree.
*/
#if !defined SNMP_MAX_OBJ_ID_LEN || defined __DOXYGEN__
#define SNMP_MAX_OBJ_ID_LEN 50
#endif
#if !defined SNMP_MAX_VALUE_SIZE || defined __DOXYGEN__
/**
* The maximum size of a value.
*/
#define SNMP_MIN_VALUE_SIZE (2 * sizeof(u32_t*)) /* size required to store the basic types (8 bytes for counter64) */
/**
* The minimum size of a value.
*/
#define SNMP_MAX_VALUE_SIZE LWIP_MAX(LWIP_MAX((SNMP_MAX_OCTET_STRING_LEN), sizeof(u32_t)*(SNMP_MAX_OBJ_ID_LEN)), SNMP_MIN_VALUE_SIZE)
#endif
/**
* The snmp read-access community. Used for write-access and traps, too
* unless SNMP_COMMUNITY_WRITE or SNMP_COMMUNITY_TRAP are enabled, respectively.
*/
#if !defined SNMP_COMMUNITY || defined __DOXYGEN__
#define SNMP_COMMUNITY "public"
#endif
/**
* The snmp write-access community.
* Set this community to "" in order to disallow any write access.
*/
#if !defined SNMP_COMMUNITY_WRITE || defined __DOXYGEN__
#define SNMP_COMMUNITY_WRITE "private"
#endif
/**
* The snmp community used for sending traps.
*/
#if !defined SNMP_COMMUNITY_TRAP || defined __DOXYGEN__
#define SNMP_COMMUNITY_TRAP "public"
#endif
/**
* The maximum length of community string.
* If community names shall be adjusted at runtime via snmp_set_community() calls,
* enter here the possible maximum length (+1 for terminating null character).
*/
#if !defined SNMP_MAX_COMMUNITY_STR_LEN || defined __DOXYGEN__
#define SNMP_MAX_COMMUNITY_STR_LEN LWIP_MAX(LWIP_MAX(sizeof(SNMP_COMMUNITY), sizeof(SNMP_COMMUNITY_WRITE)), sizeof(SNMP_COMMUNITY_TRAP))
#endif
/**
* The OID identifiying the device. This may be the enterprise OID itself or any OID located below it in tree.
*/
#if !defined SNMP_DEVICE_ENTERPRISE_OID || defined __DOXYGEN__
#define SNMP_LWIP_ENTERPRISE_OID 26381
/**
* IANA assigned enterprise ID for lwIP is 26381
* @see http://www.iana.org/assignments/enterprise-numbers
*
* @note this enterprise ID is assigned to the lwIP project,
* all object identifiers living under this ID are assigned
* by the lwIP maintainers!
* @note don't change this define, use snmp_set_device_enterprise_oid()
*
* If you need to create your own private MIB you'll need
* to apply for your own enterprise ID with IANA:
* http://www.iana.org/numbers.html
*/
#define SNMP_DEVICE_ENTERPRISE_OID {1, 3, 6, 1, 4, 1, SNMP_LWIP_ENTERPRISE_OID}
/**
* Length of SNMP_DEVICE_ENTERPRISE_OID
*/
#define SNMP_DEVICE_ENTERPRISE_OID_LEN 7
#endif
/**
* SNMP_DEBUG: Enable debugging for SNMP messages.
*/
#if !defined SNMP_DEBUG || defined __DOXYGEN__
#define SNMP_DEBUG LWIP_DBG_OFF
#endif
/**
* SNMP_MIB_DEBUG: Enable debugging for SNMP MIBs.
*/
#if !defined SNMP_MIB_DEBUG || defined __DOXYGEN__
#define SNMP_MIB_DEBUG LWIP_DBG_OFF
#endif
/**
* Indicates if the MIB2 implementation of LWIP SNMP stack is used.
*/
#if !defined SNMP_LWIP_MIB2 || defined __DOXYGEN__
#define SNMP_LWIP_MIB2 LWIP_SNMP
#endif
/**
* Value return for sysDesc field of MIB2.
*/
#if !defined SNMP_LWIP_MIB2_SYSDESC || defined __DOXYGEN__
#define SNMP_LWIP_MIB2_SYSDESC "lwIP"
#endif
/**
* Value return for sysName field of MIB2.
* To make sysName field settable, call snmp_mib2_set_sysname() to provide the necessary buffers.
*/
#if !defined SNMP_LWIP_MIB2_SYSNAME || defined __DOXYGEN__
#define SNMP_LWIP_MIB2_SYSNAME "FQDN-unk"
#endif
/**
* Value return for sysContact field of MIB2.
* To make sysContact field settable, call snmp_mib2_set_syscontact() to provide the necessary buffers.
*/
#if !defined SNMP_LWIP_MIB2_SYSCONTACT || defined __DOXYGEN__
#define SNMP_LWIP_MIB2_SYSCONTACT ""
#endif
/**
* Value return for sysLocation field of MIB2.
* To make sysLocation field settable, call snmp_mib2_set_syslocation() to provide the necessary buffers.
*/
#if !defined SNMP_LWIP_MIB2_SYSLOCATION || defined __DOXYGEN__
#define SNMP_LWIP_MIB2_SYSLOCATION ""
#endif
/**
* This value is used to limit the repetitions processed in GetBulk requests (value == 0 means no limitation).
* This may be useful to limit the load for a single request.
* According to SNMP RFC 1905 it is allowed to not return all requested variables from a GetBulk request if system load would be too high.
* so the effect is that the client will do more requests to gather all data.
* For the stack this could be useful in case that SNMP processing is done in TCP/IP thread. In this situation a request with many
* repetitions could block the thread for a longer time. Setting limit here will keep the stack more responsive.
*/
#if !defined SNMP_LWIP_GETBULK_MAX_REPETITIONS || defined __DOXYGEN__
#define SNMP_LWIP_GETBULK_MAX_REPETITIONS 0
#endif
/**
* @}
*/
/*
------------------------------------
---------- SNMPv3 options ----------
------------------------------------
*/
/**
* LWIP_SNMP_V3==1: This enables EXPERIMENTAL SNMPv3 support. LWIP_SNMP must
* also be enabled.
* THIS IS UNDER DEVELOPMENT AND SHOULD NOT BE ENABLED IN PRODUCTS.
*/
#ifndef LWIP_SNMP_V3
#define LWIP_SNMP_V3 0
#endif
#ifndef LWIP_SNMP_V3_CRYPTO
#define LWIP_SNMP_V3_CRYPTO LWIP_SNMP_V3
#endif
#ifndef LWIP_SNMP_V3_MBEDTLS
#define LWIP_SNMP_V3_MBEDTLS LWIP_SNMP_V3
#endif
#endif /* LWIP_HDR_SNMP_OPTS_H */

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/**
* @file
* SNMP server MIB API to implement scalar nodes
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_SCALAR_H
#define LWIP_HDR_APPS_SNMP_SCALAR_H
#include "lwip/apps/snmp_opts.h"
#include "lwip/apps/snmp_core.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
/** basic scalar node */
struct snmp_scalar_node
{
/** inherited "base class" members */
struct snmp_leaf_node node;
u8_t asn1_type;
snmp_access_t access;
node_instance_get_value_method get_value;
node_instance_set_test_method set_test;
node_instance_set_value_method set_value;
};
snmp_err_t snmp_scalar_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
snmp_err_t snmp_scalar_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
#define SNMP_SCALAR_CREATE_NODE(oid, access, asn1_type, get_value_method, set_test_method, set_value_method) \
{{{ SNMP_NODE_SCALAR, (oid) }, \
snmp_scalar_get_instance, \
snmp_scalar_get_next_instance }, \
(asn1_type), (access), (get_value_method), (set_test_method), (set_value_method) }
#define SNMP_SCALAR_CREATE_NODE_READONLY(oid, asn1_type, get_value_method) SNMP_SCALAR_CREATE_NODE(oid, SNMP_NODE_INSTANCE_READ_ONLY, asn1_type, get_value_method, NULL, NULL)
/** scalar array node - a tree node which contains scalars only as children */
struct snmp_scalar_array_node_def
{
u32_t oid;
u8_t asn1_type;
snmp_access_t access;
};
typedef s16_t (*snmp_scalar_array_get_value_method)(const struct snmp_scalar_array_node_def*, void*);
typedef snmp_err_t (*snmp_scalar_array_set_test_method)(const struct snmp_scalar_array_node_def*, u16_t, void*);
typedef snmp_err_t (*snmp_scalar_array_set_value_method)(const struct snmp_scalar_array_node_def*, u16_t, void*);
/** basic scalar array node */
struct snmp_scalar_array_node
{
/** inherited "base class" members */
struct snmp_leaf_node node;
u16_t array_node_count;
const struct snmp_scalar_array_node_def* array_nodes;
snmp_scalar_array_get_value_method get_value;
snmp_scalar_array_set_test_method set_test;
snmp_scalar_array_set_value_method set_value;
};
snmp_err_t snmp_scalar_array_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
snmp_err_t snmp_scalar_array_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
#define SNMP_SCALAR_CREATE_ARRAY_NODE(oid, array_nodes, get_value_method, set_test_method, set_value_method) \
{{{ SNMP_NODE_SCALAR_ARRAY, (oid) }, \
snmp_scalar_array_get_instance, \
snmp_scalar_array_get_next_instance }, \
(u16_t)LWIP_ARRAYSIZE(array_nodes), (array_nodes), (get_value_method), (set_test_method), (set_value_method) }
#endif /* LWIP_SNMP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNMP_SCALAR_H */

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/**
* @file
* SNMP server MIB API to implement table nodes
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Martin Hentschel <info@cl-soft.de>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_TABLE_H
#define LWIP_HDR_APPS_SNMP_TABLE_H
#include "lwip/apps/snmp_opts.h"
#include "lwip/apps/snmp_core.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
/** default (customizable) read/write table */
struct snmp_table_col_def
{
u32_t index;
u8_t asn1_type;
snmp_access_t access;
};
/** table node */
struct snmp_table_node
{
/** inherited "base class" members */
struct snmp_leaf_node node;
u16_t column_count;
const struct snmp_table_col_def* columns;
snmp_err_t (*get_cell_instance)(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, struct snmp_node_instance* cell_instance);
snmp_err_t (*get_next_cell_instance)(const u32_t* column, struct snmp_obj_id* row_oid, struct snmp_node_instance* cell_instance);
/** returns object value for the given object identifier */
node_instance_get_value_method get_value;
/** tests length and/or range BEFORE setting */
node_instance_set_test_method set_test;
/** sets object value, only called when set_test() was successful */
node_instance_set_value_method set_value;
};
snmp_err_t snmp_table_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
snmp_err_t snmp_table_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
#define SNMP_TABLE_CREATE(oid, columns, get_cell_instance_method, get_next_cell_instance_method, get_value_method, set_test_method, set_value_method) \
{{{ SNMP_NODE_TABLE, (oid) }, \
snmp_table_get_instance, \
snmp_table_get_next_instance }, \
(u16_t)LWIP_ARRAYSIZE(columns), (columns), \
(get_cell_instance_method), (get_next_cell_instance_method), \
(get_value_method), (set_test_method), (set_value_method)}
#define SNMP_TABLE_GET_COLUMN_FROM_OID(oid) ((oid)[1]) /* first array value is (fixed) row entry (fixed to 1) and 2nd value is column, follow3ed by instance */
/** simple read-only table */
typedef enum {
SNMP_VARIANT_VALUE_TYPE_U32,
SNMP_VARIANT_VALUE_TYPE_S32,
SNMP_VARIANT_VALUE_TYPE_PTR,
SNMP_VARIANT_VALUE_TYPE_CONST_PTR
} snmp_table_column_data_type_t;
struct snmp_table_simple_col_def
{
u32_t index;
u8_t asn1_type;
snmp_table_column_data_type_t data_type; /* depending of what union member is used to store the value*/
};
/** simple read-only table node */
struct snmp_table_simple_node
{
/* inherited "base class" members */
struct snmp_leaf_node node;
u16_t column_count;
const struct snmp_table_simple_col_def* columns;
snmp_err_t (*get_cell_value)(const u32_t* column, const u32_t* row_oid, u8_t row_oid_len, union snmp_variant_value* value, u32_t* value_len);
snmp_err_t (*get_next_cell_instance_and_value)(const u32_t* column, struct snmp_obj_id* row_oid, union snmp_variant_value* value, u32_t* value_len);
};
snmp_err_t snmp_table_simple_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
snmp_err_t snmp_table_simple_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
#define SNMP_TABLE_CREATE_SIMPLE(oid, columns, get_cell_value_method, get_next_cell_instance_and_value_method) \
{{{ SNMP_NODE_TABLE, (oid) }, \
snmp_table_simple_get_instance, \
snmp_table_simple_get_next_instance }, \
(u16_t)LWIP_ARRAYSIZE(columns), (columns), (get_cell_value_method), (get_next_cell_instance_and_value_method) }
s16_t snmp_table_extract_value_from_s32ref(struct snmp_node_instance* instance, void* value);
s16_t snmp_table_extract_value_from_u32ref(struct snmp_node_instance* instance, void* value);
s16_t snmp_table_extract_value_from_refconstptr(struct snmp_node_instance* instance, void* value);
#endif /* LWIP_SNMP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNMP_TABLE_H */

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/**
* @file
* SNMP server MIB API to implement thread synchronization
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Dirk Ziegelmeier <dziegel@gmx.de>
*
*/
#ifndef LWIP_HDR_APPS_SNMP_THREADSYNC_H
#define LWIP_HDR_APPS_SNMP_THREADSYNC_H
#include "lwip/apps/snmp_opts.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_SNMP /* don't build if not configured for use in lwipopts.h */
#include "lwip/apps/snmp_core.h"
#include "lwip/sys.h"
typedef void (*snmp_threadsync_called_fn)(void* arg);
typedef void (*snmp_threadsync_synchronizer_fn)(snmp_threadsync_called_fn fn, void* arg);
/** Thread sync runtime data. For internal usage only. */
struct threadsync_data
{
union {
snmp_err_t err;
s16_t s16;
} retval;
union {
const u32_t *root_oid;
void *value;
} arg1;
union {
u8_t root_oid_len;
u16_t len;
} arg2;
const struct snmp_threadsync_node *threadsync_node;
struct snmp_node_instance proxy_instance;
};
/** Thread sync instance. Needed EXCATLY once for every thread to be synced into. */
struct snmp_threadsync_instance
{
sys_sem_t sem;
sys_mutex_t sem_usage_mutex;
snmp_threadsync_synchronizer_fn sync_fn;
struct threadsync_data data;
};
/** SNMP thread sync proxy leaf node */
struct snmp_threadsync_node
{
/* inherited "base class" members */
struct snmp_leaf_node node;
const struct snmp_leaf_node *target;
struct snmp_threadsync_instance *instance;
};
snmp_err_t snmp_threadsync_get_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
snmp_err_t snmp_threadsync_get_next_instance(const u32_t *root_oid, u8_t root_oid_len, struct snmp_node_instance* instance);
/** Create thread sync proxy node */
#define SNMP_CREATE_THREAD_SYNC_NODE(oid, target_leaf_node, threadsync_instance) \
{{{ SNMP_NODE_THREADSYNC, (oid) }, \
snmp_threadsync_get_instance, \
snmp_threadsync_get_next_instance }, \
(target_leaf_node), \
(threadsync_instance) }
/** Create thread sync instance data */
void snmp_threadsync_init(struct snmp_threadsync_instance *instance, snmp_threadsync_synchronizer_fn sync_fn);
#endif /* LWIP_SNMP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNMP_THREADSYNC_H */

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/**
* @file
* Additional SNMPv3 functionality RFC3414 and RFC3826.
*/
/*
* Copyright (c) 2016 Elias Oenal.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Elias Oenal <lwip@eliasoenal.com>
*/
#ifndef LWIP_HDR_APPS_SNMP_V3_H
#define LWIP_HDR_APPS_SNMP_V3_H
#include "lwip/apps/snmp_opts.h"
#include "lwip/err.h"
#if LWIP_SNMP && LWIP_SNMP_V3
#define SNMP_V3_AUTH_ALGO_INVAL 0
#define SNMP_V3_AUTH_ALGO_MD5 1
#define SNMP_V3_AUTH_ALGO_SHA 2
#define SNMP_V3_PRIV_ALGO_INVAL 0
#define SNMP_V3_PRIV_ALGO_DES 1
#define SNMP_V3_PRIV_ALGO_AES 2
#define SNMP_V3_PRIV_MODE_DECRYPT 0
#define SNMP_V3_PRIV_MODE_ENCRYPT 1
/*
* The following callback functions must be implemented by the application.
* There is a dummy implementation in snmpv3_dummy.c.
*/
void snmpv3_get_engine_id(const char **id, u8_t *len);
err_t snmpv3_set_engine_id(const char* id, u8_t len);
u32_t snmpv3_get_engine_boots(void);
void snmpv3_set_engine_boots(u32_t boots);
u32_t snmpv3_get_engine_time(void);
void snmpv3_reset_engine_time(void);
err_t snmpv3_get_user(const char* username, u8_t *auth_algo, u8_t *auth_key, u8_t *priv_algo, u8_t *priv_key);
/* The following functions are provided by the SNMPv3 agent */
void snmpv3_engine_id_changed(void);
void snmpv3_password_to_key_md5(
const u8_t *password, /* IN */
u8_t passwordlen, /* IN */
const u8_t *engineID, /* IN - pointer to snmpEngineID */
u8_t engineLength, /* IN - length of snmpEngineID */
u8_t *key); /* OUT - pointer to caller 16-octet buffer */
void snmpv3_password_to_key_sha(
const u8_t *password, /* IN */
u8_t passwordlen, /* IN */
const u8_t *engineID, /* IN - pointer to snmpEngineID */
u8_t engineLength, /* IN - length of snmpEngineID */
u8_t *key); /* OUT - pointer to caller 20-octet buffer */
#endif
#endif /* LWIP_HDR_APPS_SNMP_V3_H */

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/**
* @file
* SNTP client API
*/
/*
* Copyright (c) 2007-2009 Frédéric Bernon, Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Frédéric Bernon, Simon Goldschmidt
*
*/
#ifndef LWIP_HDR_APPS_SNTP_H
#define LWIP_HDR_APPS_SNTP_H
#include "lwip/apps/sntp_opts.h"
#include "lwip/ip_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/* SNTP operating modes: default is to poll using unicast.
The mode has to be set before calling sntp_init(). */
#define SNTP_OPMODE_POLL 0
#define SNTP_OPMODE_LISTENONLY 1
void sntp_setoperatingmode(u8_t operating_mode);
u8_t sntp_getoperatingmode(void);
void sntp_init(void);
void sntp_stop(void);
u8_t sntp_enabled(void);
void sntp_setserver(u8_t idx, const ip_addr_t *addr);
const ip_addr_t* sntp_getserver(u8_t idx);
#if SNTP_SERVER_DNS
void sntp_setservername(u8_t idx, char *server);
char *sntp_getservername(u8_t idx);
#endif /* SNTP_SERVER_DNS */
#if SNTP_GET_SERVERS_FROM_DHCP
void sntp_servermode_dhcp(int set_servers_from_dhcp);
#else /* SNTP_GET_SERVERS_FROM_DHCP */
#define sntp_servermode_dhcp(x)
#endif /* SNTP_GET_SERVERS_FROM_DHCP */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_SNTP_H */

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@ -0,0 +1,173 @@
/**
* @file
* SNTP client options list
*/
/*
* Copyright (c) 2007-2009 Frédéric Bernon, Simon Goldschmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Frédéric Bernon, Simon Goldschmidt
*
*/
#ifndef LWIP_HDR_APPS_SNTP_OPTS_H
#define LWIP_HDR_APPS_SNTP_OPTS_H
#include "lwip/opt.h"
/**
* @defgroup sntp_opts Options
* @ingroup sntp
* @{
*/
/** SNTP macro to change system time in seconds
* Define SNTP_SET_SYSTEM_TIME_US(sec, us) to set the time in microseconds instead of this one
* if you need the additional precision.
*/
#if !defined SNTP_SET_SYSTEM_TIME || defined __DOXYGEN__
#define SNTP_SET_SYSTEM_TIME(sec) LWIP_UNUSED_ARG(sec)
#endif
/** The maximum number of SNTP servers that can be set */
#if !defined SNTP_MAX_SERVERS || defined __DOXYGEN__
#define SNTP_MAX_SERVERS LWIP_DHCP_MAX_NTP_SERVERS
#endif
/** Set this to 1 to implement the callback function called by dhcp when
* NTP servers are received. */
#if !defined SNTP_GET_SERVERS_FROM_DHCP || defined __DOXYGEN__
#define SNTP_GET_SERVERS_FROM_DHCP LWIP_DHCP_GET_NTP_SRV
#endif
/** Set this to 1 to support DNS names (or IP address strings) to set sntp servers
* One server address/name can be defined as default if SNTP_SERVER_DNS == 1:
* \#define SNTP_SERVER_ADDRESS "pool.ntp.org"
*/
#if !defined SNTP_SERVER_DNS || defined __DOXYGEN__
#define SNTP_SERVER_DNS 0
#endif
/**
* SNTP_DEBUG: Enable debugging for SNTP.
*/
#if !defined SNTP_DEBUG || defined __DOXYGEN__
#define SNTP_DEBUG LWIP_DBG_OFF
#endif
/** SNTP server port */
#if !defined SNTP_PORT || defined __DOXYGEN__
#define SNTP_PORT 123
#endif
/** Set this to 1 to allow config of SNTP server(s) by DNS name */
#if !defined SNTP_SERVER_DNS || defined __DOXYGEN__
#define SNTP_SERVER_DNS 0
#endif
/** Sanity check:
* Define this to
* - 0 to turn off sanity checks (default; smaller code)
* - >= 1 to check address and port of the response packet to ensure the
* response comes from the server we sent the request to.
* - >= 2 to check returned Originate Timestamp against Transmit Timestamp
* sent to the server (to ensure response to older request).
* - >= 3 @todo: discard reply if any of the LI, Stratum, or Transmit Timestamp
* fields is 0 or the Mode field is not 4 (unicast) or 5 (broadcast).
* - >= 4 @todo: to check that the Root Delay and Root Dispersion fields are each
* greater than or equal to 0 and less than infinity, where infinity is
* currently a cozy number like one second. This check avoids using a
* server whose synchronization source has expired for a very long time.
*/
#if !defined SNTP_CHECK_RESPONSE || defined __DOXYGEN__
#define SNTP_CHECK_RESPONSE 0
#endif
/** According to the RFC, this shall be a random delay
* between 1 and 5 minutes (in milliseconds) to prevent load peaks.
* This can be defined to a random generation function,
* which must return the delay in milliseconds as u32_t.
* Turned off by default.
*/
#if !defined SNTP_STARTUP_DELAY || defined __DOXYGEN__
#define SNTP_STARTUP_DELAY 0
#endif
/** If you want the startup delay to be a function, define this
* to a function (including the brackets) and define SNTP_STARTUP_DELAY to 1.
*/
#if !defined SNTP_STARTUP_DELAY_FUNC || defined __DOXYGEN__
#define SNTP_STARTUP_DELAY_FUNC SNTP_STARTUP_DELAY
#endif
/** SNTP receive timeout - in milliseconds
* Also used as retry timeout - this shouldn't be too low.
* Default is 3 seconds.
*/
#if !defined SNTP_RECV_TIMEOUT || defined __DOXYGEN__
#define SNTP_RECV_TIMEOUT 3000
#endif
/** SNTP update delay - in milliseconds
* Default is 1 hour. Must not be beolw 15 seconds by specification (i.e. 15000)
*/
#if !defined SNTP_UPDATE_DELAY || defined __DOXYGEN__
#define SNTP_UPDATE_DELAY 3600000
#endif
/** SNTP macro to get system time, used with SNTP_CHECK_RESPONSE >= 2
* to send in request and compare in response.
*/
#if !defined SNTP_GET_SYSTEM_TIME || defined __DOXYGEN__
#define SNTP_GET_SYSTEM_TIME(sec, us) do { (sec) = 0; (us) = 0; } while(0)
#endif
/** Default retry timeout (in milliseconds) if the response
* received is invalid.
* This is doubled with each retry until SNTP_RETRY_TIMEOUT_MAX is reached.
*/
#if !defined SNTP_RETRY_TIMEOUT || defined __DOXYGEN__
#define SNTP_RETRY_TIMEOUT SNTP_RECV_TIMEOUT
#endif
/** Maximum retry timeout (in milliseconds). */
#if !defined SNTP_RETRY_TIMEOUT_MAX || defined __DOXYGEN__
#define SNTP_RETRY_TIMEOUT_MAX (SNTP_RETRY_TIMEOUT * 10)
#endif
/** Increase retry timeout with every retry sent
* Default is on to conform to RFC.
*/
#if !defined SNTP_RETRY_TIMEOUT_EXP || defined __DOXYGEN__
#define SNTP_RETRY_TIMEOUT_EXP 1
#endif
/**
* @}
*/
#endif /* LWIP_HDR_APPS_SNTP_OPTS_H */

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@ -0,0 +1,105 @@
/****************************************************************//**
*
* @file tftp_opts.h
*
* @author Logan Gunthorpe <logang@deltatee.com>
*
* @brief Trivial File Transfer Protocol (RFC 1350) implementation options
*
* Copyright (c) Deltatee Enterprises Ltd. 2013
* All rights reserved.
*
********************************************************************/
/*
* Redistribution and use in source and binary forms, with or without
* modification,are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Author: Logan Gunthorpe <logang@deltatee.com>
*
*/
#ifndef LWIP_HDR_APPS_TFTP_OPTS_H
#define LWIP_HDR_APPS_TFTP_OPTS_H
#include "lwip/opt.h"
/**
* @defgroup tftp_opts Options
* @ingroup tftp
* @{
*/
/**
* Enable TFTP debug messages
*/
#if !defined TFTP_DEBUG || defined __DOXYGEN__
#define TFTP_DEBUG LWIP_DBG_ON
#endif
/**
* TFTP server port
*/
#if !defined TFTP_PORT || defined __DOXYGEN__
#define TFTP_PORT 69
#endif
/**
* TFTP timeout
*/
#if !defined TFTP_TIMEOUT_MSECS || defined __DOXYGEN__
#define TFTP_TIMEOUT_MSECS 10000
#endif
/**
* Max. number of retries when a file is read from server
*/
#if !defined TFTP_MAX_RETRIES || defined __DOXYGEN__
#define TFTP_MAX_RETRIES 5
#endif
/**
* TFTP timer cyclic interval
*/
#if !defined TFTP_TIMER_MSECS || defined __DOXYGEN__
#define TFTP_TIMER_MSECS 50
#endif
/**
* Max. length of TFTP filename
*/
#if !defined TFTP_MAX_FILENAME_LEN || defined __DOXYGEN__
#define TFTP_MAX_FILENAME_LEN 20
#endif
/**
* Max. length of TFTP mode
*/
#if !defined TFTP_MAX_MODE_LEN || defined __DOXYGEN__
#define TFTP_MAX_MODE_LEN 7
#endif
/**
* @}
*/
#endif /* LWIP_HDR_APPS_TFTP_OPTS_H */

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@ -0,0 +1,94 @@
/****************************************************************//**
*
* @file tftp_server.h
*
* @author Logan Gunthorpe <logang@deltatee.com>
*
* @brief Trivial File Transfer Protocol (RFC 1350)
*
* Copyright (c) Deltatee Enterprises Ltd. 2013
* All rights reserved.
*
********************************************************************/
/*
* Redistribution and use in source and binary forms, with or without
* modification,are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Author: Logan Gunthorpe <logang@deltatee.com>
*
*/
#ifndef LWIP_HDR_APPS_TFTP_SERVER_H
#define LWIP_HDR_APPS_TFTP_SERVER_H
#include "lwip/apps/tftp_opts.h"
#include "lwip/err.h"
#include "lwip/pbuf.h"
#ifdef __cplusplus
extern "C" {
#endif
/** @ingroup tftp
* TFTP context containing callback functions for TFTP transfers
*/
struct tftp_context {
/**
* Open file for read/write.
* @param fname Filename
* @param mode Mode string from TFTP RFC 1350 (netascii, octet, mail)
* @param write Flag indicating read (0) or write (!= 0) access
* @returns File handle supplied to other functions
*/
void* (*open)(const char* fname, const char* mode, u8_t write);
/**
* Close file handle
* @param handle File handle returned by open()
*/
void (*close)(void* handle);
/**
* Read from file
* @param handle File handle returned by open()
* @param buf Target buffer to copy read data to
* @param bytes Number of bytes to copy to buf
* @returns &gt;= 0: Success; &lt; 0: Error
*/
int (*read)(void* handle, void* buf, int bytes);
/**
* Write to file
* @param handle File handle returned by open()
* @param pbuf PBUF adjusted such that payload pointer points
* to the beginning of write data. In other words,
* TFTP headers are stripped off.
* @returns &gt;= 0: Success; &lt; 0: Error
*/
int (*write)(void* handle, struct pbuf* p);
};
err_t tftp_init(const struct tftp_context* ctx);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_APPS_TFTP_SERVER_H */

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@ -70,6 +70,45 @@ extern "C" {
#define DNS_RRCLASS_HS 4 /* Hesiod [Dyer 87] */
#define DNS_RRCLASS_FLUSH 0x800 /* Flush bit */
/* DNS protocol flags */
#define DNS_FLAG1_RESPONSE 0x80
#define DNS_FLAG1_OPCODE_STATUS 0x10
#define DNS_FLAG1_OPCODE_INVERSE 0x08
#define DNS_FLAG1_OPCODE_STANDARD 0x00
#define DNS_FLAG1_AUTHORATIVE 0x04
#define DNS_FLAG1_TRUNC 0x02
#define DNS_FLAG1_RD 0x01
#define DNS_FLAG2_RA 0x80
#define DNS_FLAG2_ERR_MASK 0x0f
#define DNS_FLAG2_ERR_NONE 0x00
#define DNS_FLAG2_ERR_NAME 0x03
/* DNS protocol states */
#define DNS_STATE_UNUSED 0
#define DNS_STATE_NEW 1
#define DNS_STATE_ASKING 2
#define DNS_STATE_DONE 3
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** DNS message header */
struct dns_hdr {
PACK_STRUCT_FIELD(u16_t id);
PACK_STRUCT_FIELD(u8_t flags1);
PACK_STRUCT_FIELD(u8_t flags2);
PACK_STRUCT_FIELD(u16_t numquestions);
PACK_STRUCT_FIELD(u16_t numanswers);
PACK_STRUCT_FIELD(u16_t numauthrr);
PACK_STRUCT_FIELD(u16_t numextrarr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_DNS_HDR 12
/* The size used for the next line is rather a hack, but it prevents including socket.h in all files
that include memp.h, and that would possibly break portability (since socket.h defines some types
and constants possibly already define by the OS).

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@ -0,0 +1,78 @@
/**
* @file
* AutoIP protocol definitions
*/
/*
*
* Copyright (c) 2007 Dominik Spies <kontakt@dspies.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Dominik Spies <kontakt@dspies.de>
*
* This is a AutoIP implementation for the lwIP TCP/IP stack. It aims to conform
* with RFC 3927.
*
*/
#ifndef LWIP_HDR_PROT_AUTOIP_H
#define LWIP_HDR_PROT_AUTOIP_H
#ifdef __cplusplus
extern "C" {
#endif
/* 169.254.0.0 */
#define AUTOIP_NET 0xA9FE0000
/* 169.254.1.0 */
#define AUTOIP_RANGE_START (AUTOIP_NET | 0x0100)
/* 169.254.254.255 */
#define AUTOIP_RANGE_END (AUTOIP_NET | 0xFEFF)
/* RFC 3927 Constants */
#define PROBE_WAIT 1 /* second (initial random delay) */
#define PROBE_MIN 1 /* second (minimum delay till repeated probe) */
#define PROBE_MAX 2 /* seconds (maximum delay till repeated probe) */
#define PROBE_NUM 3 /* (number of probe packets) */
#define ANNOUNCE_NUM 2 /* (number of announcement packets) */
#define ANNOUNCE_INTERVAL 2 /* seconds (time between announcement packets) */
#define ANNOUNCE_WAIT 2 /* seconds (delay before announcing) */
#define MAX_CONFLICTS 10 /* (max conflicts before rate limiting) */
#define RATE_LIMIT_INTERVAL 60 /* seconds (delay between successive attempts) */
#define DEFEND_INTERVAL 10 /* seconds (min. wait between defensive ARPs) */
/* AutoIP client states */
typedef enum {
AUTOIP_STATE_OFF = 0,
AUTOIP_STATE_PROBING = 1,
AUTOIP_STATE_ANNOUNCING = 2,
AUTOIP_STATE_BOUND = 3
} autoip_state_enum_t;
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_AUTOIP_H */

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/**
* @file
* DHCP protocol definitions
*/
/*
* Copyright (c) 2001-2004 Leon Woestenberg <leon.woestenberg@gmx.net>
* Copyright (c) 2001-2004 Axon Digital Design B.V., The Netherlands.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Leon Woestenberg <leon.woestenberg@gmx.net>
*
*/
#ifndef LWIP_HDR_PROT_DHCP_H
#define LWIP_HDR_PROT_DHCP_H
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {
#endif
#define DHCP_CLIENT_PORT 68
#define DHCP_SERVER_PORT 67
/* DHCP message item offsets and length */
#define DHCP_CHADDR_LEN 16U
#define DHCP_SNAME_OFS 44U
#define DHCP_SNAME_LEN 64U
#define DHCP_FILE_OFS 108U
#define DHCP_FILE_LEN 128U
#define DHCP_MSG_LEN 236U
#define DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4U) /* 4 byte: cookie */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** minimum set of fields of any DHCP message */
struct dhcp_msg
{
PACK_STRUCT_FLD_8(u8_t op);
PACK_STRUCT_FLD_8(u8_t htype);
PACK_STRUCT_FLD_8(u8_t hlen);
PACK_STRUCT_FLD_8(u8_t hops);
PACK_STRUCT_FIELD(u32_t xid);
PACK_STRUCT_FIELD(u16_t secs);
PACK_STRUCT_FIELD(u16_t flags);
PACK_STRUCT_FLD_S(ip4_addr_p_t ciaddr);
PACK_STRUCT_FLD_S(ip4_addr_p_t yiaddr);
PACK_STRUCT_FLD_S(ip4_addr_p_t siaddr);
PACK_STRUCT_FLD_S(ip4_addr_p_t giaddr);
PACK_STRUCT_FLD_8(u8_t chaddr[DHCP_CHADDR_LEN]);
PACK_STRUCT_FLD_8(u8_t sname[DHCP_SNAME_LEN]);
PACK_STRUCT_FLD_8(u8_t file[DHCP_FILE_LEN]);
PACK_STRUCT_FIELD(u32_t cookie);
#define DHCP_MIN_OPTIONS_LEN 68U
/** make sure user does not configure this too small */
#if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN))
# undef DHCP_OPTIONS_LEN
#endif
/** allow this to be configured in lwipopts.h, but not too small */
#if (!defined(DHCP_OPTIONS_LEN))
/** set this to be sufficient for your options in outgoing DHCP msgs */
# define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN
#endif
PACK_STRUCT_FLD_8(u8_t options[DHCP_OPTIONS_LEN]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* DHCP client states */
typedef enum {
DHCP_STATE_OFF = 0,
DHCP_STATE_REQUESTING = 1,
DHCP_STATE_INIT = 2,
DHCP_STATE_REBOOTING = 3,
DHCP_STATE_REBINDING = 4,
DHCP_STATE_RENEWING = 5,
DHCP_STATE_SELECTING = 6,
DHCP_STATE_INFORMING = 7,
DHCP_STATE_CHECKING = 8,
DHCP_STATE_PERMANENT = 9, /* not yet implemented */
DHCP_STATE_BOUND = 10,
DHCP_STATE_RELEASING = 11, /* not yet implemented */
DHCP_STATE_BACKING_OFF = 12
} dhcp_state_enum_t;
/* DHCP op codes */
#define DHCP_BOOTREQUEST 1
#define DHCP_BOOTREPLY 2
/* DHCP message types */
#define DHCP_DISCOVER 1
#define DHCP_OFFER 2
#define DHCP_REQUEST 3
#define DHCP_DECLINE 4
#define DHCP_ACK 5
#define DHCP_NAK 6
#define DHCP_RELEASE 7
#define DHCP_INFORM 8
/** DHCP hardware type, currently only ethernet is supported */
#define DHCP_HTYPE_ETH 1
#define DHCP_MAGIC_COOKIE 0x63825363UL
/* This is a list of options for BOOTP and DHCP, see RFC 2132 for descriptions */
/* BootP options */
#define DHCP_OPTION_PAD 0
#define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */
#define DHCP_OPTION_ROUTER 3
#define DHCP_OPTION_DNS_SERVER 6
#define DHCP_OPTION_HOSTNAME 12
#define DHCP_OPTION_IP_TTL 23
#define DHCP_OPTION_MTU 26
#define DHCP_OPTION_BROADCAST 28
#define DHCP_OPTION_TCP_TTL 37
#define DHCP_OPTION_NTP 42
#define DHCP_OPTION_END 255
/* DHCP options */
#define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */
#define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */
#define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */
#define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */
#define DHCP_OPTION_MESSAGE_TYPE_LEN 1
#define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */
#define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */
#define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */
#define DHCP_OPTION_MAX_MSG_SIZE_LEN 2
#define DHCP_OPTION_T1 58 /* T1 renewal time */
#define DHCP_OPTION_T2 59 /* T2 rebinding time */
#define DHCP_OPTION_US 60
#define DHCP_OPTION_CLIENT_ID 61
#define DHCP_OPTION_TFTP_SERVERNAME 66
#define DHCP_OPTION_BOOTFILE 67
/* possible combinations of overloading the file and sname fields with options */
#define DHCP_OVERLOAD_NONE 0
#define DHCP_OVERLOAD_FILE 1
#define DHCP_OVERLOAD_SNAME 2
#define DHCP_OVERLOAD_SNAME_FILE 3
#ifdef __cplusplus
}
#endif
#endif /*LWIP_HDR_PROT_DHCP_H*/

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/**
* @file
* DNS - host name to IP address resolver.
*/
/*
* Port to lwIP from uIP
* by Jim Pettinato April 2007
*
* security fixes and more by Simon Goldschmidt
*
* uIP version Copyright (c) 2002-2003, Adam Dunkels.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LWIP_HDR_PROT_DNS_H
#define LWIP_HDR_PROT_DNS_H
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/** DNS server port address */
#ifndef DNS_SERVER_PORT
#define DNS_SERVER_PORT 53
#endif
/* DNS field TYPE used for "Resource Records" */
#define DNS_RRTYPE_A 1 /* a host address */
#define DNS_RRTYPE_NS 2 /* an authoritative name server */
#define DNS_RRTYPE_MD 3 /* a mail destination (Obsolete - use MX) */
#define DNS_RRTYPE_MF 4 /* a mail forwarder (Obsolete - use MX) */
#define DNS_RRTYPE_CNAME 5 /* the canonical name for an alias */
#define DNS_RRTYPE_SOA 6 /* marks the start of a zone of authority */
#define DNS_RRTYPE_MB 7 /* a mailbox domain name (EXPERIMENTAL) */
#define DNS_RRTYPE_MG 8 /* a mail group member (EXPERIMENTAL) */
#define DNS_RRTYPE_MR 9 /* a mail rename domain name (EXPERIMENTAL) */
#define DNS_RRTYPE_NULL 10 /* a null RR (EXPERIMENTAL) */
#define DNS_RRTYPE_WKS 11 /* a well known service description */
#define DNS_RRTYPE_PTR 12 /* a domain name pointer */
#define DNS_RRTYPE_HINFO 13 /* host information */
#define DNS_RRTYPE_MINFO 14 /* mailbox or mail list information */
#define DNS_RRTYPE_MX 15 /* mail exchange */
#define DNS_RRTYPE_TXT 16 /* text strings */
#define DNS_RRTYPE_AAAA 28 /* IPv6 address */
#define DNS_RRTYPE_SRV 33 /* service location */
#define DNS_RRTYPE_ANY 255 /* any type */
/* DNS field CLASS used for "Resource Records" */
#define DNS_RRCLASS_IN 1 /* the Internet */
#define DNS_RRCLASS_CS 2 /* the CSNET class (Obsolete - used only for examples in some obsolete RFCs) */
#define DNS_RRCLASS_CH 3 /* the CHAOS class */
#define DNS_RRCLASS_HS 4 /* Hesiod [Dyer 87] */
#define DNS_RRCLASS_ANY 255 /* any class */
#define DNS_RRCLASS_FLUSH 0x800 /* Flush bit */
/* DNS protocol flags */
#define DNS_FLAG1_RESPONSE 0x80
#define DNS_FLAG1_OPCODE_STATUS 0x10
#define DNS_FLAG1_OPCODE_INVERSE 0x08
#define DNS_FLAG1_OPCODE_STANDARD 0x00
#define DNS_FLAG1_AUTHORATIVE 0x04
#define DNS_FLAG1_TRUNC 0x02
#define DNS_FLAG1_RD 0x01
#define DNS_FLAG2_RA 0x80
#define DNS_FLAG2_ERR_MASK 0x0f
#define DNS_FLAG2_ERR_NONE 0x00
#define DNS_FLAG2_ERR_NAME 0x03
#define DNS_HDR_GET_OPCODE(hdr) ((((hdr)->flags1) >> 3) & 0xF)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** DNS message header */
struct dns_hdr {
PACK_STRUCT_FIELD(u16_t id);
PACK_STRUCT_FLD_8(u8_t flags1);
PACK_STRUCT_FLD_8(u8_t flags2);
PACK_STRUCT_FIELD(u16_t numquestions);
PACK_STRUCT_FIELD(u16_t numanswers);
PACK_STRUCT_FIELD(u16_t numauthrr);
PACK_STRUCT_FIELD(u16_t numextrarr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_DNS_HDR 12
/* Multicast DNS definitions */
/** UDP port for multicast DNS queries */
#ifndef DNS_MQUERY_PORT
#define DNS_MQUERY_PORT 5353
#endif
/* IPv4 group for multicast DNS queries: 224.0.0.251 */
#ifndef DNS_MQUERY_IPV4_GROUP_INIT
#define DNS_MQUERY_IPV4_GROUP_INIT IPADDR4_INIT_BYTES(224,0,0,251)
#endif
/* IPv6 group for multicast DNS queries: FF02::FB */
#ifndef DNS_MQUERY_IPV6_GROUP_INIT
#define DNS_MQUERY_IPV6_GROUP_INIT IPADDR6_INIT_HOST(0xFF020000,0,0,0xFB)
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_DNS_H */

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/**
* @file
* ARP protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_ETHARP_H
#define LWIP_HDR_PROT_ETHARP_H
#include "lwip/arch.h"
#include "lwip/prot/ethernet.h"
#include "lwip/ip4_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef ETHARP_HWADDR_LEN
#define ETHARP_HWADDR_LEN ETH_HWADDR_LEN
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** the ARP message, see RFC 826 ("Packet format") */
struct etharp_hdr {
PACK_STRUCT_FIELD(u16_t hwtype);
PACK_STRUCT_FIELD(u16_t proto);
PACK_STRUCT_FLD_8(u8_t hwlen);
PACK_STRUCT_FLD_8(u8_t protolen);
PACK_STRUCT_FIELD(u16_t opcode);
PACK_STRUCT_FLD_S(struct eth_addr shwaddr);
PACK_STRUCT_FLD_S(struct ip4_addr2 sipaddr);
PACK_STRUCT_FLD_S(struct eth_addr dhwaddr);
PACK_STRUCT_FLD_S(struct ip4_addr2 dipaddr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_ETHARP_HDR 28
/* ARP hwtype values */
enum etharp_hwtype {
HWTYPE_ETHERNET = 1
/* others not used */
};
/* ARP message types (opcodes) */
enum etharp_opcode {
ARP_REQUEST = 1,
ARP_REPLY = 2
};
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_ETHARP_H */

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/**
* @file
* Ethernet protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_ETHERNET_H
#define LWIP_HDR_PROT_ETHERNET_H
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef ETH_HWADDR_LEN
#ifdef ETHARP_HWADDR_LEN
#define ETH_HWADDR_LEN ETHARP_HWADDR_LEN /* compatibility mode */
#else
#define ETH_HWADDR_LEN 6
#endif
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct eth_addr {
PACK_STRUCT_FLD_8(u8_t addr[ETH_HWADDR_LEN]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** Ethernet header */
struct eth_hdr {
#if ETH_PAD_SIZE
PACK_STRUCT_FLD_8(u8_t padding[ETH_PAD_SIZE]);
#endif
PACK_STRUCT_FLD_S(struct eth_addr dest);
PACK_STRUCT_FLD_S(struct eth_addr src);
PACK_STRUCT_FIELD(u16_t type);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_ETH_HDR (14 + ETH_PAD_SIZE)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/** VLAN header inserted between ethernet header and payload
* if 'type' in ethernet header is ETHTYPE_VLAN.
* See IEEE802.Q */
struct eth_vlan_hdr {
PACK_STRUCT_FIELD(u16_t prio_vid);
PACK_STRUCT_FIELD(u16_t tpid);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define SIZEOF_VLAN_HDR 4
#define VLAN_ID(vlan_hdr) (lwip_htons((vlan_hdr)->prio_vid) & 0xFFF)
/**
* @ingroup ethernet
* A list of often ethtypes (although lwIP does not use all of them): */
enum eth_type {
/** Internet protocol v4 */
ETHTYPE_IP = 0x0800U,
/** Address resolution protocol */
ETHTYPE_ARP = 0x0806U,
/** Wake on lan */
ETHTYPE_WOL = 0x0842U,
/** RARP */
ETHTYPE_RARP = 0x8035U,
/** Virtual local area network */
ETHTYPE_VLAN = 0x8100U,
/** Internet protocol v6 */
ETHTYPE_IPV6 = 0x86DDU,
/** PPP Over Ethernet Discovery Stage */
ETHTYPE_PPPOEDISC = 0x8863U,
/** PPP Over Ethernet Session Stage */
ETHTYPE_PPPOE = 0x8864U,
/** Jumbo Frames */
ETHTYPE_JUMBO = 0x8870U,
/** Process field network */
ETHTYPE_PROFINET = 0x8892U,
/** Ethernet for control automation technology */
ETHTYPE_ETHERCAT = 0x88A4U,
/** Link layer discovery protocol */
ETHTYPE_LLDP = 0x88CCU,
/** Serial real-time communication system */
ETHTYPE_SERCOS = 0x88CDU,
/** Media redundancy protocol */
ETHTYPE_MRP = 0x88E3U,
/** Precision time protocol */
ETHTYPE_PTP = 0x88F7U,
/** Q-in-Q, 802.1ad */
ETHTYPE_QINQ = 0x9100U
};
/** The 24-bit IANA IPv4-multicast OUI is 01-00-5e: */
#define LL_IP4_MULTICAST_ADDR_0 0x01
#define LL_IP4_MULTICAST_ADDR_1 0x00
#define LL_IP4_MULTICAST_ADDR_2 0x5e
/** IPv6 multicast uses this prefix */
#define LL_IP6_MULTICAST_ADDR_0 0x33
#define LL_IP6_MULTICAST_ADDR_1 0x33
/** MEMCPY-like macro to copy to/from struct eth_addr's that are no local
* variables and known to be 16-bit aligned within the protocol header. */
#ifndef ETHADDR16_COPY
#define ETHADDR16_COPY(dst, src) SMEMCPY(dst, src, ETH_HWADDR_LEN)
#endif
#define eth_addr_cmp(addr1, addr2) (memcmp((addr1)->addr, (addr2)->addr, ETH_HWADDR_LEN) == 0)
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_ETHERNET_H */

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/**
* @file
* ICMP protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_ICMP_H
#define LWIP_HDR_PROT_ICMP_H
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ICMP_ER 0 /* echo reply */
#define ICMP_DUR 3 /* destination unreachable */
#define ICMP_SQ 4 /* source quench */
#define ICMP_RD 5 /* redirect */
#define ICMP_ECHO 8 /* echo */
#define ICMP_TE 11 /* time exceeded */
#define ICMP_PP 12 /* parameter problem */
#define ICMP_TS 13 /* timestamp */
#define ICMP_TSR 14 /* timestamp reply */
#define ICMP_IRQ 15 /* information request */
#define ICMP_IR 16 /* information reply */
#define ICMP_AM 17 /* address mask request */
#define ICMP_AMR 18 /* address mask reply */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
/** This is the standard ICMP header only that the u32_t data
* is split to two u16_t like ICMP echo needs it.
* This header is also used for other ICMP types that do not
* use the data part.
*/
PACK_STRUCT_BEGIN
struct icmp_echo_hdr {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t id);
PACK_STRUCT_FIELD(u16_t seqno);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Compatibility defines, old versions used to combine type and code to an u16_t */
#define ICMPH_TYPE(hdr) ((hdr)->type)
#define ICMPH_CODE(hdr) ((hdr)->code)
#define ICMPH_TYPE_SET(hdr, t) ((hdr)->type = (t))
#define ICMPH_CODE_SET(hdr, c) ((hdr)->code = (c))
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_ICMP_H */

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/**
* @file
* ICMP6 protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_ICMP6_H
#define LWIP_HDR_PROT_ICMP6_H
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/** ICMP type */
enum icmp6_type {
/** Destination unreachable */
ICMP6_TYPE_DUR = 1,
/** Packet too big */
ICMP6_TYPE_PTB = 2,
/** Time exceeded */
ICMP6_TYPE_TE = 3,
/** Parameter problem */
ICMP6_TYPE_PP = 4,
/** Private experimentation */
ICMP6_TYPE_PE1 = 100,
/** Private experimentation */
ICMP6_TYPE_PE2 = 101,
/** Reserved for expansion of error messages */
ICMP6_TYPE_RSV_ERR = 127,
/** Echo request */
ICMP6_TYPE_EREQ = 128,
/** Echo reply */
ICMP6_TYPE_EREP = 129,
/** Multicast listener query */
ICMP6_TYPE_MLQ = 130,
/** Multicast listener report */
ICMP6_TYPE_MLR = 131,
/** Multicast listener done */
ICMP6_TYPE_MLD = 132,
/** Router solicitation */
ICMP6_TYPE_RS = 133,
/** Router advertisement */
ICMP6_TYPE_RA = 134,
/** Neighbor solicitation */
ICMP6_TYPE_NS = 135,
/** Neighbor advertisement */
ICMP6_TYPE_NA = 136,
/** Redirect */
ICMP6_TYPE_RD = 137,
/** Multicast router advertisement */
ICMP6_TYPE_MRA = 151,
/** Multicast router solicitation */
ICMP6_TYPE_MRS = 152,
/** Multicast router termination */
ICMP6_TYPE_MRT = 153,
/** Private experimentation */
ICMP6_TYPE_PE3 = 200,
/** Private experimentation */
ICMP6_TYPE_PE4 = 201,
/** Reserved for expansion of informational messages */
ICMP6_TYPE_RSV_INF = 255
};
/** ICMP destination unreachable codes */
enum icmp6_dur_code {
/** No route to destination */
ICMP6_DUR_NO_ROUTE = 0,
/** Communication with destination administratively prohibited */
ICMP6_DUR_PROHIBITED = 1,
/** Beyond scope of source address */
ICMP6_DUR_SCOPE = 2,
/** Address unreachable */
ICMP6_DUR_ADDRESS = 3,
/** Port unreachable */
ICMP6_DUR_PORT = 4,
/** Source address failed ingress/egress policy */
ICMP6_DUR_POLICY = 5,
/** Reject route to destination */
ICMP6_DUR_REJECT_ROUTE = 6
};
/** ICMP time exceeded codes */
enum icmp6_te_code {
/** Hop limit exceeded in transit */
ICMP6_TE_HL = 0,
/** Fragment reassembly time exceeded */
ICMP6_TE_FRAG = 1
};
/** ICMP parameter code */
enum icmp6_pp_code {
/** Erroneous header field encountered */
ICMP6_PP_FIELD = 0,
/** Unrecognized next header type encountered */
ICMP6_PP_HEADER = 1,
/** Unrecognized IPv6 option encountered */
ICMP6_PP_OPTION = 2
};
/** This is the standard ICMP6 header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct icmp6_hdr {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t data);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** This is the ICMP6 header adapted for echo req/resp. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct icmp6_echo_hdr {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t id);
PACK_STRUCT_FIELD(u16_t seqno);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_ICMP6_H */

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/**
* @file
* IGMP protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_IGMP_H
#define LWIP_HDR_PROT_IGMP_H
#include "lwip/arch.h"
#include "lwip/ip4_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* IGMP constants
*/
#define IGMP_TTL 1
#define IGMP_MINLEN 8
#define ROUTER_ALERT 0x9404U
#define ROUTER_ALERTLEN 4
/*
* IGMP message types, including version number.
*/
#define IGMP_MEMB_QUERY 0x11 /* Membership query */
#define IGMP_V1_MEMB_REPORT 0x12 /* Ver. 1 membership report */
#define IGMP_V2_MEMB_REPORT 0x16 /* Ver. 2 membership report */
#define IGMP_LEAVE_GROUP 0x17 /* Leave-group message */
/* Group membership states */
#define IGMP_GROUP_NON_MEMBER 0
#define IGMP_GROUP_DELAYING_MEMBER 1
#define IGMP_GROUP_IDLE_MEMBER 2
/**
* IGMP packet format.
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct igmp_msg {
PACK_STRUCT_FLD_8(u8_t igmp_msgtype);
PACK_STRUCT_FLD_8(u8_t igmp_maxresp);
PACK_STRUCT_FIELD(u16_t igmp_checksum);
PACK_STRUCT_FLD_S(ip4_addr_p_t igmp_group_address);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_IGMP_H */

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/**
* @file
* IP protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_IP_H
#define LWIP_HDR_PROT_IP_H
#include "lwip/arch.h"
#define IP_PROTO_ICMP 1
#define IP_PROTO_IGMP 2
#define IP_PROTO_UDP 17
#define IP_PROTO_UDPLITE 136
#define IP_PROTO_TCP 6
/** This operates on a void* by loading the first byte */
#define IP_HDR_GET_VERSION(ptr) ((*(u8_t*)(ptr)) >> 4)
#endif /* LWIP_HDR_PROT_IP_H */

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/**
* @file
* IPv4 protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_IP4_H
#define LWIP_HDR_PROT_IP4_H
#include "lwip/arch.h"
#include "lwip/ip4_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/** This is the packed version of ip4_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip4_addr_packed {
PACK_STRUCT_FIELD(u32_t addr);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
typedef struct ip4_addr_packed ip4_addr_p_t;
/* Size of the IPv4 header. Same as 'sizeof(struct ip_hdr)'. */
#define IP_HLEN 20
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
/* The IPv4 header */
struct ip_hdr {
/* version / header length */
PACK_STRUCT_FLD_8(u8_t _v_hl);
/* type of service */
PACK_STRUCT_FLD_8(u8_t _tos);
/* total length */
PACK_STRUCT_FIELD(u16_t _len);
/* identification */
PACK_STRUCT_FIELD(u16_t _id);
/* fragment offset field */
PACK_STRUCT_FIELD(u16_t _offset);
#define IP_RF 0x8000U /* reserved fragment flag */
#define IP_DF 0x4000U /* don't fragment flag */
#define IP_MF 0x2000U /* more fragments flag */
#define IP_OFFMASK 0x1fffU /* mask for fragmenting bits */
/* time to live */
PACK_STRUCT_FLD_8(u8_t _ttl);
/* protocol*/
PACK_STRUCT_FLD_8(u8_t _proto);
/* checksum */
PACK_STRUCT_FIELD(u16_t _chksum);
/* source and destination IP addresses */
PACK_STRUCT_FLD_S(ip4_addr_p_t src);
PACK_STRUCT_FLD_S(ip4_addr_p_t dest);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Macros to get struct ip_hdr fields: */
#define IPH_V(hdr) ((hdr)->_v_hl >> 4)
#define IPH_HL(hdr) ((hdr)->_v_hl & 0x0f)
#define IPH_TOS(hdr) ((hdr)->_tos)
#define IPH_LEN(hdr) ((hdr)->_len)
#define IPH_ID(hdr) ((hdr)->_id)
#define IPH_OFFSET(hdr) ((hdr)->_offset)
#define IPH_TTL(hdr) ((hdr)->_ttl)
#define IPH_PROTO(hdr) ((hdr)->_proto)
#define IPH_CHKSUM(hdr) ((hdr)->_chksum)
/* Macros to set struct ip_hdr fields: */
#define IPH_VHL_SET(hdr, v, hl) (hdr)->_v_hl = (u8_t)((((v) << 4) | (hl)))
#define IPH_TOS_SET(hdr, tos) (hdr)->_tos = (tos)
#define IPH_LEN_SET(hdr, len) (hdr)->_len = (len)
#define IPH_ID_SET(hdr, id) (hdr)->_id = (id)
#define IPH_OFFSET_SET(hdr, off) (hdr)->_offset = (off)
#define IPH_TTL_SET(hdr, ttl) (hdr)->_ttl = (u8_t)(ttl)
#define IPH_PROTO_SET(hdr, proto) (hdr)->_proto = (u8_t)(proto)
#define IPH_CHKSUM_SET(hdr, chksum) (hdr)->_chksum = (chksum)
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_IP4_H */

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/**
* @file
* IPv6 protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_IP6_H
#define LWIP_HDR_PROT_IP6_H
#include "lwip/arch.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/** This is the packed version of ip6_addr_t,
used in network headers that are itself packed */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_addr_packed {
PACK_STRUCT_FIELD(u32_t addr[4]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
typedef struct ip6_addr_packed ip6_addr_p_t;
#define IP6_HLEN 40
#define IP6_NEXTH_HOPBYHOP 0
#define IP6_NEXTH_TCP 6
#define IP6_NEXTH_UDP 17
#define IP6_NEXTH_ENCAPS 41
#define IP6_NEXTH_ROUTING 43
#define IP6_NEXTH_FRAGMENT 44
#define IP6_NEXTH_ICMP6 58
#define IP6_NEXTH_NONE 59
#define IP6_NEXTH_DESTOPTS 60
#define IP6_NEXTH_UDPLITE 136
/** The IPv6 header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_hdr {
/** version / traffic class / flow label */
PACK_STRUCT_FIELD(u32_t _v_tc_fl);
/** payload length */
PACK_STRUCT_FIELD(u16_t _plen);
/** next header */
PACK_STRUCT_FLD_8(u8_t _nexth);
/** hop limit */
PACK_STRUCT_FLD_8(u8_t _hoplim);
/** source and destination IP addresses */
PACK_STRUCT_FLD_S(ip6_addr_p_t src);
PACK_STRUCT_FLD_S(ip6_addr_p_t dest);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Hop-by-hop router alert option. */
#define IP6_HBH_HLEN 8
#define IP6_PAD1_OPTION 0
#define IP6_PADN_ALERT_OPTION 1
#define IP6_ROUTER_ALERT_OPTION 5
#define IP6_ROUTER_ALERT_VALUE_MLD 0
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_hbh_hdr {
/* next header */
PACK_STRUCT_FLD_8(u8_t _nexth);
/* header length */
PACK_STRUCT_FLD_8(u8_t _hlen);
/* router alert option type */
PACK_STRUCT_FLD_8(u8_t _ra_opt_type);
/* router alert option data len */
PACK_STRUCT_FLD_8(u8_t _ra_opt_dlen);
/* router alert option data */
PACK_STRUCT_FIELD(u16_t _ra_opt_data);
/* PadN option type */
PACK_STRUCT_FLD_8(u8_t _padn_opt_type);
/* PadN option data len */
PACK_STRUCT_FLD_8(u8_t _padn_opt_dlen);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* Fragment header. */
#define IP6_FRAG_HLEN 8
#define IP6_FRAG_OFFSET_MASK 0xfff8
#define IP6_FRAG_MORE_FLAG 0x0001
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ip6_frag_hdr {
/* next header */
PACK_STRUCT_FLD_8(u8_t _nexth);
/* reserved */
PACK_STRUCT_FLD_8(u8_t reserved);
/* fragment offset */
PACK_STRUCT_FIELD(u16_t _fragment_offset);
/* fragmented packet identification */
PACK_STRUCT_FIELD(u32_t _identification);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define IP6H_V(hdr) ((lwip_ntohl((hdr)->_v_tc_fl) >> 28) & 0x0f)
#define IP6H_TC(hdr) ((lwip_ntohl((hdr)->_v_tc_fl) >> 20) & 0xff)
#define IP6H_FL(hdr) (lwip_ntohl((hdr)->_v_tc_fl) & 0x000fffff)
#define IP6H_PLEN(hdr) (lwip_ntohs((hdr)->_plen))
#define IP6H_NEXTH(hdr) ((hdr)->_nexth)
#define IP6H_NEXTH_P(hdr) ((u8_t *)(hdr) + 6)
#define IP6H_HOPLIM(hdr) ((hdr)->_hoplim)
#define IP6H_VTCFL_SET(hdr, v, tc, fl) (hdr)->_v_tc_fl = (lwip_htonl((((u32_t)(v)) << 28) | (((u32_t)(tc)) << 20) | (fl)))
#define IP6H_PLEN_SET(hdr, plen) (hdr)->_plen = lwip_htons(plen)
#define IP6H_NEXTH_SET(hdr, nexth) (hdr)->_nexth = (nexth)
#define IP6H_HOPLIM_SET(hdr, hl) (hdr)->_hoplim = (u8_t)(hl)
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_IP6_H */

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/**
* @file
* MLD6 protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_MLD6_H
#define LWIP_HDR_PROT_MLD6_H
#include "lwip/arch.h"
#include "lwip/prot/ip6.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Multicast listener report/query/done message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct mld_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t max_resp_delay);
PACK_STRUCT_FIELD(u16_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t multicast_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_MLD6_H */

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/**
* @file
* ND6 protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_ND6_H
#define LWIP_HDR_PROT_ND6_H
#include "lwip/arch.h"
#include "lwip/ip6_addr.h"
#include "lwip/prot/ip6.h"
#ifdef __cplusplus
extern "C" {
#endif
/** Neighbor solicitation message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ns_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Neighbor advertisement message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct na_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FLD_8(u8_t reserved[3]);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define ND6_FLAG_ROUTER (0x80)
#define ND6_FLAG_SOLICITED (0x40)
#define ND6_FLAG_OVERRIDE (0x20)
/** Router solicitation message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct rs_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Router advertisement message header. */
#define ND6_RA_FLAG_MANAGED_ADDR_CONFIG (0x80)
#define ND6_RA_FLAG_OTHER_CONFIG (0x40)
#define ND6_RA_FLAG_HOME_AGENT (0x20)
#define ND6_RA_PREFERENCE_MASK (0x18)
#define ND6_RA_PREFERENCE_HIGH (0x08)
#define ND6_RA_PREFERENCE_MEDIUM (0x00)
#define ND6_RA_PREFERENCE_LOW (0x18)
#define ND6_RA_PREFERENCE_DISABLED (0x10)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct ra_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FLD_8(u8_t current_hop_limit);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FIELD(u16_t router_lifetime);
PACK_STRUCT_FIELD(u32_t reachable_time);
PACK_STRUCT_FIELD(u32_t retrans_timer);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Redirect message header. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct redirect_header {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t code);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u32_t reserved);
PACK_STRUCT_FLD_S(ip6_addr_p_t target_address);
PACK_STRUCT_FLD_S(ip6_addr_p_t destination_address);
/* Options follow. */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Link-layer address option. */
#define ND6_OPTION_TYPE_SOURCE_LLADDR (0x01)
#define ND6_OPTION_TYPE_TARGET_LLADDR (0x02)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct lladdr_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t addr[NETIF_MAX_HWADDR_LEN]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Prefix information option. */
#define ND6_OPTION_TYPE_PREFIX_INFO (0x03)
#define ND6_PREFIX_FLAG_ON_LINK (0x80)
#define ND6_PREFIX_FLAG_AUTONOMOUS (0x40)
#define ND6_PREFIX_FLAG_ROUTER_ADDRESS (0x20)
#define ND6_PREFIX_FLAG_SITE_PREFIX (0x10)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct prefix_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t prefix_length);
PACK_STRUCT_FLD_8(u8_t flags);
PACK_STRUCT_FIELD(u32_t valid_lifetime);
PACK_STRUCT_FIELD(u32_t preferred_lifetime);
PACK_STRUCT_FLD_8(u8_t reserved2[3]);
PACK_STRUCT_FLD_8(u8_t site_prefix_length);
PACK_STRUCT_FLD_S(ip6_addr_p_t prefix);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Redirected header option. */
#define ND6_OPTION_TYPE_REDIR_HDR (0x04)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct redirected_header_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t reserved[6]);
/* Portion of redirected packet follows. */
/* PACK_STRUCT_FLD_8(u8_t redirected[8]); */
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** MTU option. */
#define ND6_OPTION_TYPE_MTU (0x05)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct mtu_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FIELD(u16_t reserved);
PACK_STRUCT_FIELD(u32_t mtu);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Route information option. */
#define ND6_OPTION_TYPE_ROUTE_INFO (24)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct route_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FLD_8(u8_t prefix_length);
PACK_STRUCT_FLD_8(u8_t preference);
PACK_STRUCT_FIELD(u32_t route_lifetime);
PACK_STRUCT_FLD_S(ip6_addr_p_t prefix);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/** Recursive DNS Server Option. */
#if LWIP_ND6_RDNSS_MAX_DNS_SERVERS
#define LWIP_RDNSS_OPTION_MAX_SERVERS LWIP_ND6_RDNSS_MAX_DNS_SERVERS
#else
#define LWIP_RDNSS_OPTION_MAX_SERVERS 1
#endif
#define ND6_OPTION_TYPE_RDNSS (25)
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct rdnss_option {
PACK_STRUCT_FLD_8(u8_t type);
PACK_STRUCT_FLD_8(u8_t length);
PACK_STRUCT_FIELD(u16_t reserved);
PACK_STRUCT_FIELD(u32_t lifetime);
PACK_STRUCT_FLD_S(ip6_addr_p_t rdnss_address[LWIP_RDNSS_OPTION_MAX_SERVERS]);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_ND6_H */

97
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/include/lwip/prot/tcp.h Normal file
View file

@ -0,0 +1,97 @@
/**
* @file
* TCP protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_TCP_H
#define LWIP_HDR_PROT_TCP_H
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Length of the TCP header, excluding options. */
#define TCP_HLEN 20
/* Fields are (of course) in network byte order.
* Some fields are converted to host byte order in tcp_input().
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct tcp_hdr {
PACK_STRUCT_FIELD(u16_t src);
PACK_STRUCT_FIELD(u16_t dest);
PACK_STRUCT_FIELD(u32_t seqno);
PACK_STRUCT_FIELD(u32_t ackno);
PACK_STRUCT_FIELD(u16_t _hdrlen_rsvd_flags);
PACK_STRUCT_FIELD(u16_t wnd);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t urgp);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
/* TCP header flags bits */
#define TCP_FIN 0x01U
#define TCP_SYN 0x02U
#define TCP_RST 0x04U
#define TCP_PSH 0x08U
#define TCP_ACK 0x10U
#define TCP_URG 0x20U
#define TCP_ECE 0x40U
#define TCP_CWR 0x80U
/* Valid TCP header flags */
#define TCP_FLAGS 0x3fU
#define TCPH_HDRLEN(phdr) ((u16_t)(lwip_ntohs((phdr)->_hdrlen_rsvd_flags) >> 12))
#define TCPH_FLAGS(phdr) ((u16_t)(lwip_ntohs((phdr)->_hdrlen_rsvd_flags) & TCP_FLAGS))
#define TCPH_HDRLEN_SET(phdr, len) (phdr)->_hdrlen_rsvd_flags = lwip_htons(((len) << 12) | TCPH_FLAGS(phdr))
#define TCPH_FLAGS_SET(phdr, flags) (phdr)->_hdrlen_rsvd_flags = (((phdr)->_hdrlen_rsvd_flags & PP_HTONS(~TCP_FLAGS)) | lwip_htons(flags))
#define TCPH_HDRLEN_FLAGS_SET(phdr, len, flags) (phdr)->_hdrlen_rsvd_flags = (u16_t)(lwip_htons((u16_t)((len) << 12) | (flags)))
#define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags | lwip_htons(flags))
#define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags & ~lwip_htons(flags))
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_TCP_H */

68
RTL00_SDKV35a/component/common/network/lwip/lwip_v1.4.1/src/include/lwip/prot/udp.h Normal file
View file

@ -0,0 +1,68 @@
/**
* @file
* UDP protocol definitions
*/
/*
* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_PROT_UDP_H
#define LWIP_HDR_PROT_UDP_H
#include "lwip/arch.h"
#ifdef __cplusplus
extern "C" {
#endif
#define UDP_HLEN 8
/* Fields are (of course) in network byte order. */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct udp_hdr {
PACK_STRUCT_FIELD(u16_t src);
PACK_STRUCT_FIELD(u16_t dest); /* src/dest UDP ports */
PACK_STRUCT_FIELD(u16_t len);
PACK_STRUCT_FIELD(u16_t chksum);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_PROT_UDP_H */

2189
RTL00_SDKV35a/component/common/network/ssl/polarssl-1.3.8/include/polarssl/config_arduino.h Normal file
View file

File diff suppressed because it is too large Load diff

47
RTL00_SDKV35a/component/soc/realtek/8195a/cmsis/device/app_start.c
View file

@ -96,24 +96,54 @@ VOID ShowRamBuildInfo(VOID)
*/
}
#ifdef CONFIG_APP_DEMO
#include "device.h"
#include "gpio_api.h" // mbed
#if 1 //def CONFIG_APP_DEMO
#include "rtl8195a.h"
//#include "device.h"
//#include "gpio_api.h" // mbed
typedef struct _UART_LOG_BUF_ {
u8 BufCount; //record the input cmd char number.
u8 UARTLogBuf[127]; //record the input command.
} UART_LOG_BUF, *PUART_LOG_BUF;
//MON_RAM_BSS_SECTION
typedef struct _UART_LOG_CTL_ {
u8 NewIdx; //+0
u8 SeeIdx; //+1
u8 RevdNo; //+2
u8 EscSTS; //+3
u8 ExecuteCmd; //+4
u8 ExecuteEsc; //+5
u8 BootRdy; //+6
u8 Resvd; //+7
PUART_LOG_BUF pTmpLogBuf;
VOID *pfINPUT;
PCOMMAND_TABLE pCmdTbl;
u32 CmdTblSz;
u32 CRSTS;
u8 (*pHistoryBuf)[127];
u32 TaskRdy;
u32 Sema;
} UART_LOG_CTL, *PUART_LOG_CTL;
extern volatile UART_LOG_CTL *pUartLogCtl;
_WEAK int main(void)
{
HalPinCtrlRtl8195A(JTAG, 0, 1);
DiagPrintf("\r\nRTL Console ROM: Start - press key 'Up', Help '?'\r\n");
while(pUartLogCtl[5] != 1);
pUartLogCtl[3] = 0;
pUartLogCtl[6] = 1;
while(pUartLogCtl->ExecuteEsc != 1);
pUartLogCtl->RevdNo = 0;
pUartLogCtl->BootRdy = 1;
DiagPrintf("\r<RTL8710AF>");
while(1) {
while(pUartLogCtl[4] != 1 );
while(pUartLogCtl->ExecuteCmd != 1 );
UartLogCmdExecute(pUartLogCtl);
DiagPrintf("\r<RTL8710AF>");
pUartLogCtl[4] = 0;
pUartLogCtl->ExecuteCmd = 0;
}
return 0;
@ -190,6 +220,7 @@ void _AppStart(void)
xTaskCreate( (TaskFunction_t)main, "MAIN_APP__TASK", (MAIN_APP_DEFAULT_STACK_SIZE/4), (void *)NULL, MAIN_APP_DEFAULT_PRIORITY, NULL);
vTaskStartScheduler();
#endif
#else
__low_level_init();

3
RTL00_SDKV35a/component/soc/realtek/8195a/cmsis/device/system_8195a.c
View file

@ -48,7 +48,6 @@
//#define __SYSTEM_CLOCK (5*__XTAL)
#define __SYSTEM_CLOCK (200000000UL/6*5) // PLATFORM_CLOCK //
extern unsigned int rand_x;
//extern u32 HalGetCpuClk(VOID);
#ifdef CONFIG_CHIP_A_CUT
@ -62,6 +61,8 @@ const u32 SysCpkClkTbl[]= {
};
#endif
unsigned int rand_x = 12345;
u32 Rand2(void)
{
static unsigned int y = 362436;

2
RTL00_SDKV35a/component/soc/realtek/8195a/fwlib/hal_gpio.h
View file

@ -244,7 +244,7 @@ HAL_GPIO_IP_DeInit(
//extern u16 GPIOState[_PORT_MAX-1]; // побитно 16 бит для каждого порта (A..K), бит=номер задействованного пина в порту на периферию.
extern u16 GPIOState[_PORT_MAX]; // побитно 16 бит для каждого порта (A..K), бит=номер задействованного пина в порту на периферию.
#endif // end of "#define _HAL_GPIO_H_"

14
RTL00_SDKV35a/component/soc/realtek/8195a/fwlib/hal_platform.h
View file

@ -16,12 +16,6 @@
#define SYSTEM_CLK PLATFORM_CLOCK
#define SDR_SDRAM_BASE 0x30000000
#define SYSTEM_CTRL_BASE 0x40000000
#define PERI_ON_BASE 0x40000000
#define VENDOR_REG_BASE 0x40002800
#define SPI_FLASH_BASE 0x98000000
#define SDR_CTRL_BASE 0x40005000
#define PERIPHERAL_IRQ_STATUS 0x04
#define PERIPHERAL_IRQ_MODE 0x08
@ -34,13 +28,21 @@
#define TIMER_CLK 32*1000
#define SDR_SDRAM_BASE 0x30000000
#define SYSTEM_CTRL_BASE 0x40000000
#define PERI_ON_BASE 0x40000000
#define SPI_FLASH_BASE 0x98000000
//3 Peripheral IP Base Address
#define GPIO_REG_BASE 0x40001000
#define TIMER_REG_BASE 0x40002000
#define VENDOR_REG_BASE 0x40002800
#define NFC_INTERFACE_BASE 0x40002400
#define LOG_UART_REG_BASE 0x40003000
#define I2C2_REG_BASE 0x40003400
#define I2C3_REG_BASE 0x40003800
#define SDR_CTRL_BASE 0x40005000
#define SPI_FLASH_CTRL_BASE 0x40006000
#define ADC_REG_BASE 0x40010000
#define DAC_REG_BASE 0x40011000

4
RTL00_SDKV35a/component/soc/realtek/8195a/fwlib/hal_sdr_controller.h
View file

@ -10,7 +10,7 @@
#ifndef _HAL_SDR_CONTROLLER_H_
#define _HAL_SDR_CONTROLLER_H_
#if 1 // def CONFIG_SDR_EN
#if 1 //def CONFIG_SDR_EN
typedef enum _DRAM_TYPE_ {
DRAM_DDR_1 = 1,
@ -187,5 +187,5 @@ typedef struct _DRAM_DEVICE_INFO_ {
#define HAL_SDRAM_READ8(addr) HAL_READ8(SDR_SDRAM_BASE, addr)
#endif // CONFIG_SDR_EN
// extern unsigned int rand_x; // in rtl_bios_data.h
//extern unsigned int rand_x;
#endif // end of "#ifndef _HAL_SDR_CONTROLLER_H_"

3
RTL00_SDKV35a/component/soc/realtek/8195a/fwlib/hal_spi_flash.h
View file

@ -68,7 +68,7 @@ enum _SPIC_BIT_MODE_ {
#define FLASH_EON 5
//#define FLASH_MXIC_MX25L4006E 0
//#define FLASH_MXIC_MX25L8073E 0
//#define FLASH_MXIC_MX25L8073E 1
//#define FLASH_MICRON_N25Q512A 1
// The below parts are based on the flash characteristics
//====== Flash Command Definition ======
@ -244,6 +244,7 @@ enum _SPIC_BIT_MODE_ {
//#endif
#if 0
#if FLASH_MXIC_MX25L4006E
#define FLASH_RD_2IO_EN 1

130
RTL00_SDKV35a/component/soc/realtek/8195a/fwlib/ram_lib/fw_loader_main.c Normal file
View file

@ -0,0 +1,130 @@
/*
* Routines to access hardware
*
* Copyright (c) 2015 Realtek Semiconductor Corp.
*
* This module is a confidential and proprietary property of RealTek and
* possession or use of this module requires written permission of RealTek.
*/
#include "rtl8195a.h"
#include "build_info.h"
#include "PinNames.h"
#include "serial_api.h"
extern void serial_init (serial_t *obj, PinName tx, PinName rx);
extern void serial_free (serial_t *obj);
extern void serial_baud (serial_t *obj, int baudrate);
extern void serial_format (serial_t *obj, int data_bits, SerialParity parity, int stop_bits);
extern int main(void);
void iar_data_init_fw_loader(void);
void fw_loader_main(void);// __attribute__ ((weak));
#pragma section=".image2.start.table1"
#pragma section=".fwloader_ram.bss"
FW_LOADER_START_RAM_FUN_SECTION
RAM_START_FUNCTION gFWLoaderEntryFun0 = {fw_loader_main};
u8* __image4_entry_func__;
u8* __image4_validate_code__;
u8* __fwloader_bss_start__;
u8* __fwloader_bss_end__;
FW_LOADER_VALID_PATTEN_SECTION const u8 RAM_FW_LOADER_VALID_PATTEN[20] = {
'R', 'T', 'K', 'W', 'i', 'n', 0x0, 0xff,
(FW_VERSION&0xff), ((FW_VERSION >> 8)&0xff),
(FW_SUBVERSION&0xff), ((FW_SUBVERSION >> 8)&0xff),
(FW_CHIP_ID&0xff), ((FW_CHIP_ID >> 8)&0xff),
(FW_CHIP_VER),
(FW_BUS_TYPE),
(FW_INFO_RSV1),
(FW_INFO_RSV2),
(FW_INFO_RSV3),
(FW_INFO_RSV4)
};
/**
* @brief Main program.
* @param None
* @retval None
*/
void fw_loader_main(void)
{
#if defined ( __ICCARM__ )
iar_data_init_fw_loader();
#endif
u32 Image2Len, Image2Addr, ImageIndex, SpicBitMode, SpicImageIndex;
u32 Image2LoadAddr = 0x13000;
DBG_8195A("===== Enter FW Loader Image ====\n");
#ifdef BOOTLOADER
main();
#endif
IGMAE4:
PRAM_START_FUNCTION Image4EntryFun=(PRAM_START_FUNCTION)__image4_entry_func__;
Image2Len = HAL_READ32(SPI_FLASH_BASE, Image2LoadAddr);
Image2Addr = HAL_READ32(SPI_FLASH_BASE, (Image2LoadAddr+0x4));
DBG_8195A("Flash FW Loader:Addr 0x%x, Len %d, Load to SRAM 0x%x\n", Image2LoadAddr, Image2Len, Image2Addr);
SpicImageIndex = 0;
for (ImageIndex = 0x10 + Image2LoadAddr; ImageIndex < (Image2Len + Image2LoadAddr + 0x10); ImageIndex = ImageIndex + 4) {
HAL_WRITE32(Image2Addr, SpicImageIndex,
HAL_READ32(SPI_FLASH_BASE, ImageIndex));
SpicImageIndex += 4;
}
#ifdef CONFIG_SDR_EN
u32 Image3LoadAddr;
u32 Image3Len;
u32 Image3Addr;
Image3LoadAddr = Image2LoadAddr + Image2Len+0x10;
Image3Len = HAL_READ32(SPI_FLASH_BASE, Image3LoadAddr);
Image3Addr = HAL_READ32(SPI_FLASH_BASE, Image3LoadAddr + 0x4);
if( (Image3Len==0xFFFFFFFF) || (Image3Len==0) || (Image3Addr!=0x30000000)){
DBG_8195A("No Image3\n\r");
}else{
DBG_8195A("Image3 length: 0x%x, Image3 Addr: 0x%x\n",Image3Len, Image3Addr);
SpicImageIndex = 0;
for (ImageIndex = 0x10 + Image3LoadAddr;
ImageIndex < (Image3Len + Image3LoadAddr + 0x10);
ImageIndex = ImageIndex + 4) {
HAL_WRITE32(Image3Addr, SpicImageIndex,
HAL_READ32(SPI_FLASH_BASE, ImageIndex));
SpicImageIndex += 4;
}
}
#endif
//3 3) Jump to image 4
DBG_8195A("InfraStart: %p, Img2 Sign %s \n", __image4_entry_func__, (char*)__image4_validate_code__);
if (_strcmp((char *)__image4_validate_code__, "RTKWin")) {
while (1) {
DBG_8195A("Invalid Image4 Signature\n");
RtlConsolRom(1000);//each delay is 100us
}
}
#ifdef BOOTLOADER
deinit_platform_bootloader();
#endif
Image4EntryFun->RamStartFun();
}
void iar_data_init_fw_loader(void)
{
__image4_entry_func__ = (u8*)__section_begin(".image2.start.table1");
__image4_validate_code__ = __image4_entry_func__+4;//(u8*)__section_begin(".image2.start.table2");
__fwloader_bss_start__ = (u8*)__section_begin(".fwloader_ram.bss");
__fwloader_bss_end__ = (u8*)__section_end(".fwloader_ram.bss");
}

82
RTL00_SDKV35a/component/soc/realtek/8195a/fwlib/ram_lib/low_level_io.c Normal file
View file

@ -0,0 +1,82 @@
/*
decompiled low_level_io.o
*/
#include ......
//-------------------------------------------------------------------------
// Function declarations
void mode_init();
void HalSerialPutcRtl8195a(int c, int a2, char a3);
signed int DiagPrintf(const char *fmt, ...);
void log_uart_enable_printf();
void log_uart_disable_printf();
//-------------------------------------------------------------------------
// Data declarations
uint32_t backupWarn;
uint32_t backupErr;
uint32_t backupInfo;
int disablePrintf;
// extern _UNKNOWN use_mode;
// extern _UNKNOWN ConfigDebugErr;
// extern _UNKNOWN ConfigDebugInfo;
// extern _UNKNOWN ConfigDebugWarn;
//-----
void mode_init()
{
use_mode = 1;
}
//-----
void HalSerialPutcRtl8195a(int c)
{
signed int v3; // r3@2
if ( disablePrintf != 1 )
{
v3 = 6540;
do
{
if ( !--v3 )
break;
a3 = v40003014;
}
while ( !(v40003014 & 0x60) );
if ( c == 10 ) a3 = 13;
v40003000 = c;
if ( c == 10 ) v40003000 = a3;
}
}
//-----
signed int DiagPrintf(const char *fmt, ...)
{
va_list va;
va_start(va, fmt);
if ( disablePrintf != 1 )
VSprintf(0, fmt, va);
return 1;
}
//-----
void log_uart_enable_printf()
{
disablePrintf = 0;
ConfigDebugErr = backupErr;
ConfigDebugInfo = backupInfo;
ConfigDebugWarn = backupWarn;
}
//-----
void log_uart_disable_printf()
{
disablePrintf = 1;
backupErr = ConfigDebugErr;
backupInfo = ConfigDebugInfo;
backupWarn = ConfigDebugWarn;
ConfigDebugErr = 0;
ConfigDebugInfo = 0;
ConfigDebugWarn = 0;
}

88
RTL00_SDKV35a/component/soc/realtek/8195a/fwlib/rtl8195a/rtl8195a_spi_flash.h
View file

@ -911,30 +911,30 @@
#define BIT_CTRL_FLUSH_FIFO(x) (((x) & BIT_MASK_FLUSH_FIFO) << BIT_SHIFT_FLUSH_FIFO)
//=================== Register Address Definition ============================//
#define REG_SPIC_CTRLR0 0x0000//O
#define REG_SPIC_CTRLR1 0x0004//O
#define REG_SPIC_SSIENR 0x0008//O
#define REG_SPIC_MWCR 0x000C
#define REG_SPIC_SER 0x0010//O
#define REG_SPIC_BAUDR 0x0014//O
#define REG_SPIC_TXFTLR 0x0018
#define REG_SPIC_RXFTLR 0x001C//O
#define REG_SPIC_TXFLR 0x0020//O
#define REG_SPIC_RXFLR 0x0024
#define REG_SPIC_SR 0x0028
#define REG_SPIC_IMR 0x002C//O
#define REG_SPIC_ISR 0x0030
#define REG_SPIC_RISR 0x0034
#define REG_SPIC_TXOICR 0x0038
#define REG_SPIC_RXOICR 0x003C
#define REG_SPC_RXUICR 0x0040
#define REG_SPIC_MSTICR 0x0044
#define REG_SPIC_ICR 0x0048
#define REG_SPIC_DMACR 0x004C
#define REG_SPIC_DMATDLR0 0x0050
#define REG_SPIC_DMATDLR1 0x0054
#define REG_SPIC_IDR 0x0058
#define REG_SPIC_VERSION 0x005C
#define REG_SPIC_CTRLR0 0x0000 //O 0x1040300
#define REG_SPIC_CTRLR1 0x0004 //O 0x10
#define REG_SPIC_SSIENR 0x0008 //O 0
#define REG_SPIC_MWCR 0x000C // 0
#define REG_SPIC_SER 0x0010 //O 1
#define REG_SPIC_BAUDR 0x0014 //O 1
#define REG_SPIC_TXFTLR 0x0018 // 0
#define REG_SPIC_RXFTLR 0x001C //O 0x1F
#define REG_SPIC_TXFLR 0x0020 //O 0
#define REG_SPIC_RXFLR 0x0024 // 0
#define REG_SPIC_SR 0x0028 // 6
#define REG_SPIC_IMR 0x002C //O 0x1FF
#define REG_SPIC_ISR 0x0030 // 4
#define REG_SPIC_RISR 0x0034 // 4
#define REG_SPIC_TXOICR 0x0038 // 0
#define REG_SPIC_RXOICR 0x003C // 0
#define REG_SPC_RXUICR 0x0040 // 0
#define REG_SPIC_MSTICR 0x0044 // 0
#define REG_SPIC_ICR 0x0048 // 0
#define REG_SPIC_DMACR 0x004C // 0
#define REG_SPIC_DMATDLR0 0x0050 // 0
#define REG_SPIC_DMATDLR1 0x0054 // 0
#define REG_SPIC_IDR 0x0058 // 0x10001
#define REG_SPIC_VERSION 0x005C // 0x40470603
#define REG_SPIC_DR0 0x0060
#define REG_SPIC_DR1 0x0064
#define REG_SPIC_DR2 0x0068
@ -966,26 +966,26 @@
#define REG_SPIC_DR28 0x00D0
#define REG_SPIC_DR29 0x00D4
#define REG_SPIC_DR30 0x00D8
#define REG_SPIC_DR31 0x00DC
#define REG_SPIC_READ_FAST_SINGLE 0x00E0//O
#define REG_SPIC_READ_DUAL_DATA 0x00E4//O
#define REG_SPIC_READ_DUAL_ADDR_DATA 0x00E8//O
#define REG_SPIC_READ_QUAD_DATA 0x00EC//O
#define REG_SPIC_READ_QUAD_ADDR_DATA 0x00F0//O
#define REG_SPIC_WRITE_SIGNLE 0x00F4//O
#define REG_SPIC_WRITE_DUAL_DATA 0x00F8//O
#define REG_SPIC_WRITE_DUAL_ADDR_DATA 0x00FC//O
#define REG_SPIC_WRITE_QUAD_DATA 0x0100//O
#define REG_SPIC_WRITE_QUAD_ADDR_DATA 0x0104//O
#define REG_SPIC_WRITE_ENABLE 0x0108//O
#define REG_SPIC_READ_STATUS 0x010C//O
#define REG_SPIC_CTRLR2 0x0110//O
#define REG_SPIC_FBAUDR 0x0114//O
#define REG_SPIC_ADDR_LENGTH 0x0118//O
#define REG_SPIC_AUTO_LENGTH 0x011C//O
#define REG_SPIC_VALID_CMD 0x0120//O
#define REG_SPIC_FLASE_SIZE 0x0124//O
#define REG_SPIC_FLUSH_FIFO 0x0128//O
#define REG_SPIC_DR31 0x00DC // MXIC (DeviceID: FC, Flash Size: 1048576 bytes, FlashID: C22014/1, SpicMode: DIO)
#define REG_SPIC_READ_FAST_SINGLE 0x00E0 //O 0x0B
#define REG_SPIC_READ_DUAL_DATA 0x00E4 //O 0x3B
#define REG_SPIC_READ_DUAL_ADDR_DATA 0x00E8 //O 0x3B
#define REG_SPIC_READ_QUAD_DATA 0x00EC //O 0x6B
#define REG_SPIC_READ_QUAD_ADDR_DATA 0x00F0 //O 0xEB
#define REG_SPIC_WRITE_SIGNLE 0x00F4 //O 0x02
#define REG_SPIC_WRITE_DUAL_DATA 0x00F8 //O 0xA2
#define REG_SPIC_WRITE_DUAL_ADDR_DATA 0x00FC//O 0xA2
#define REG_SPIC_WRITE_QUAD_DATA 0x0100 //O 0x32
#define REG_SPIC_WRITE_QUAD_ADDR_DATA 0x0104//O 0x38
#define REG_SPIC_WRITE_ENABLE 0x0108 //O 0x06
#define REG_SPIC_READ_STATUS 0x010C //O 0x05
#define REG_SPIC_CTRLR2 0x0110 //O 0x51
#define REG_SPIC_FBAUDR 0x0114 //O 0x1
#define REG_SPIC_ADDR_LENGTH 0x0118 //O 0x3
#define REG_SPIC_AUTO_LENGTH 0x011C //O 0x20030011/0x20030021
#define REG_SPIC_VALID_CMD 0x0120 //O 0x202
#define REG_SPIC_FLASE_SIZE 0x0124 //O 0x0E
#define REG_SPIC_FLUSH_FIFO 0x0128 //O 0
VOID SpicInitRtl8195A(u8 InitBaudRate, u8 SpicBitMode); // spi-flash controller initialization
VOID SpicRxCmdRtl8195A(u8 cmd); // recieve command

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