Merge pull request #585 from ourairquality/mbedtls-0318

mbedtls: update and integrate upstream fixes.
This commit is contained in:
Ruslan V. Uss 2018-06-17 12:32:14 +05:00 committed by GitHub
commit 88ff263f92
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 157 additions and 46 deletions

View file

@ -26,7 +26,7 @@ OBJS_CRYPTO= aes.o aesni.o arc4.o \
padlock.o pem.o pk.o \
pk_wrap.o pkcs12.o pkcs5.o \
pkparse.o pkwrite.o platform.o \
ripemd160.o rsa.o sha1.o \
ripemd160.o rsa.o rsa_internal.o sha1.o \
sha256.o sha512.o threading.o \
timing.o version.o \
version_features.o xtea.o

@ -1 +1 @@
Subproject commit f2a597fa3dd1c7b15e0fee62f6932b253295803d
Subproject commit 1bf6123fca97a9a35c2f403ab0c96495f9580db6

View file

@ -1,6 +1,7 @@
/*
* TCP/IP or UDP/IP networking functions
* modified for LWIP support on ESP8266
* Based on mbedtls/library/net_sockets.c
* Modified for LWIP support on ESP8266
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* Additions Copyright (C) 2015 Angus Gratton
@ -21,7 +22,6 @@
* This file is part of mbed TLS (https://tls.mbed.org)
*/
#include <fcntl.h>
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
@ -30,18 +30,74 @@
#if defined(MBEDTLS_NET_C)
#define ESP_OPEN_RTOS 1
#define _SOCKLEN_T_DECLARED 1
#if !defined(unix) && !defined(__unix__) && !defined(__unix) && \
!defined(__APPLE__) && !defined(_WIN32) && !defined(ESP_OPEN_RTOS)
#error "This module only works on Unix and Windows, see MBEDTLS_NET_C in config.h"
#endif
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdlib.h>
#endif
#include "mbedtls/net_sockets.h"
#include <string.h>
#if (defined(_WIN32) || defined(_WIN32_WCE)) && !defined(EFIX64) && \
!defined(EFI32)
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
/* Enables getaddrinfo() & Co */
#define _WIN32_WINNT 0x0501
#include <ws2tcpip.h>
#include <winsock2.h>
#include <windows.h>
#if defined(_MSC_VER)
#if defined(_WIN32_WCE)
#pragma comment( lib, "ws2.lib" )
#else
#pragma comment( lib, "ws2_32.lib" )
#endif
#endif /* _MSC_VER */
#define read(fd,buf,len) recv( fd, (char*)( buf ), (int)( len ), 0 )
#define write(fd,buf,len) send( fd, (char*)( buf ), (int)( len ), 0 )
#define close(fd) closesocket(fd)
static int wsa_init_done = 0;
#else /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
#include <sys/types.h>
#include <sys/socket.h>
//#include <netinet/in.h>
#include <arpa/inet.h>
#include <sys/time.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <netdb.h>
#include <errno.h>
#include <stdlib.h>
#endif /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
/* Some MS functions want int and MSVC warns if we pass size_t,
* but the standard functions use socklen_t, so cast only for MSVC */
#if defined(_MSC_VER)
#define MSVC_INT_CAST (int)
#else
#define MSVC_INT_CAST
#endif
#include <stdio.h>
#include <time.h>
@ -65,6 +121,9 @@ static int net_prepare( void )
wsa_init_done = 1;
}
#else
#if !defined(EFIX64) && !defined(EFI32) && !defined(ESP_OPEN_RTOS)
signal( SIGPIPE, SIG_IGN );
#endif
#endif
return( 0 );
}
@ -80,7 +139,8 @@ void mbedtls_net_init( mbedtls_net_context *ctx )
/*
* Initiate a TCP connection with host:port and the given protocol
*/
int mbedtls_net_connect( mbedtls_net_context *ctx, const char *host, const char *port, int proto )
int mbedtls_net_connect( mbedtls_net_context *ctx, const char *host,
const char *port, int proto )
{
int ret;
struct addrinfo hints, *addr_list, *cur;
@ -109,7 +169,11 @@ int mbedtls_net_connect( mbedtls_net_context *ctx, const char *host, const char
continue;
}
if( connect( ctx->fd, cur->ai_addr, cur->ai_addrlen ) == 0 )
const struct timeval timeout = { 60, 0 }; /* 60 second timeout */
setsockopt( ctx->fd, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout) );
setsockopt( ctx->fd, SOL_SOCKET, SO_SNDTIMEO, &timeout, sizeof(timeout) );
if( connect( ctx->fd, cur->ai_addr, MSVC_INT_CAST cur->ai_addrlen ) == 0 )
{
ret = 0;
break;
@ -130,14 +194,7 @@ int mbedtls_net_connect( mbedtls_net_context *ctx, const char *host, const char
int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char *port, int proto )
{
int n, ret;
struct addrinfo *addr_list, *cur;
/* Only request desired protocol */
const struct addrinfo hints = {
.ai_family = AF_UNSPEC,
.ai_socktype = (proto == MBEDTLS_NET_PROTO_UDP ? SOCK_DGRAM : SOCK_STREAM),
.ai_protocol = (proto == MBEDTLS_NET_PROTO_UDP ? IPPROTO_UDP : IPPROTO_TCP),
};
struct addrinfo hints, *addr_list, *cur;
struct sockaddr_in sockaddr_ipaddr_any = {
.sin_len = sizeof(struct sockaddr_in),
@ -148,8 +205,8 @@ int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char
struct addrinfo all_interfaces_addr = {
.ai_family = AF_INET,
.ai_socktype = hints.ai_socktype,
.ai_protocol = hints.ai_protocol,
.ai_socktype = (proto == MBEDTLS_NET_PROTO_UDP ? SOCK_DGRAM : SOCK_STREAM),
.ai_protocol = (proto == MBEDTLS_NET_PROTO_UDP ? IPPROTO_UDP : IPPROTO_TCP),
.ai_addrlen = sizeof(struct sockaddr_in),
.ai_addr = (struct sockaddr *)&sockaddr_ipaddr_any,
};
@ -157,14 +214,22 @@ int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char
if( ( ret = net_prepare() ) != 0 )
return( ret );
if(bind_ip == NULL) {
/* Bind to IPv6 and/or IPv4, but only in the desired protocol */
memset( &hints, 0, sizeof( hints ) );
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = proto == MBEDTLS_NET_PROTO_UDP ? SOCK_DGRAM : SOCK_STREAM;
hints.ai_protocol = proto == MBEDTLS_NET_PROTO_UDP ? IPPROTO_UDP : IPPROTO_TCP;
if( bind_ip == NULL )
hints.ai_flags = AI_PASSIVE;
if( bind_ip == NULL ) {
/* mbedTLS docs specify bind_ip == NULL means all interfaces, but lwip getaddrinfo() assumes NULL
means localhost. So we swap in a precreated IPADDR_ANY addrinfo result here. */
addr_list = &all_interfaces_addr;
}
else if( getaddrinfo( bind_ip, port, &hints, &addr_list ) != 0 ) {
else
if( getaddrinfo( bind_ip, port, &hints, &addr_list ) != 0 )
return( MBEDTLS_ERR_NET_UNKNOWN_HOST );
}
/* Try the sockaddrs until a binding succeeds */
ret = MBEDTLS_ERR_NET_UNKNOWN_HOST;
@ -187,7 +252,7 @@ int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char
continue;
}
if( bind( ctx->fd, cur->ai_addr, cur->ai_addrlen ) != 0 )
if( bind( ctx->fd, cur->ai_addr, MSVC_INT_CAST cur->ai_addrlen ) != 0 )
{
close( ctx->fd );
ret = MBEDTLS_ERR_NET_BIND_FAILED;
@ -205,12 +270,12 @@ int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char
}
}
/* I we ever get there, it's a success */
/* Bind was successful */
ret = 0;
break;
}
if(bind_ip != NULL) {
if( bind_ip != NULL ) {
freeaddrinfo( addr_list );
}
@ -218,14 +283,18 @@ int mbedtls_net_bind( mbedtls_net_context *ctx, const char *bind_ip, const char
}
static int socket_errno( const mbedtls_net_context *ctx )
#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
!defined(EFI32)
/*
* Check if the requested operation would be blocking on a non-blocking socket
* and thus 'failed' with a negative return value.
*/
static int net_would_block( const mbedtls_net_context *ctx )
{
int sock_errno = 0;
u32_t optlen = sizeof(sock_errno);
lwip_getsockopt(ctx->fd, SOL_SOCKET, SO_ERROR, &sock_errno, &optlen);
return sock_errno;
((void) ctx);
return( WSAGetLastError() == WSAEWOULDBLOCK );
}
#else
/*
* Check if the requested operation would be blocking on a non-blocking socket
* and thus 'failed' with a negative return value.
@ -234,14 +303,18 @@ static int socket_errno( const mbedtls_net_context *ctx )
*/
static int net_would_block( const mbedtls_net_context *ctx )
{
int err = errno;
/*
* Never return 'WOULD BLOCK' on a non-blocking socket
*/
if( ( fcntl( ctx->fd, F_GETFL, 0) & O_NONBLOCK ) != O_NONBLOCK )
{
errno = err;
return( 0 );
}
switch( socket_errno(ctx) )
switch( errno = err )
{
#if defined EAGAIN
case EAGAIN:
@ -253,6 +326,7 @@ static int net_would_block( const mbedtls_net_context *ctx )
}
return( 0 );
}
#endif /* ( _WIN32 || _WIN32_WCE ) && !EFIX64 && !EFI32 */
/*
* Accept a connection from a remote client
@ -264,14 +338,20 @@ int mbedtls_net_accept( mbedtls_net_context *bind_ctx,
int ret;
int type;
struct sockaddr_in client_addr;
struct sockaddr_storage client_addr;
#if defined(__socklen_t_defined) || defined(_SOCKLEN_T) || \
defined(_SOCKLEN_T_DECLARED) || defined(__DEFINED_socklen_t)
socklen_t n = (socklen_t) sizeof( client_addr );
socklen_t type_len = (socklen_t) sizeof( type );
#else
int n = (int) sizeof( client_addr );
int type_len = (int) sizeof( type );
#endif
/* Is this a TCP or UDP socket? */
if( getsockopt( bind_ctx->fd, SOL_SOCKET, SO_TYPE,
(void *) &type, (socklen_t *) &type_len ) != 0 ||
(void *) &type, &type_len ) != 0 ||
( type != SOCK_STREAM && type != SOCK_DGRAM ) )
{
return( MBEDTLS_ERR_NET_ACCEPT_FAILED );
@ -288,7 +368,7 @@ int mbedtls_net_accept( mbedtls_net_context *bind_ctx,
/* UDP: wait for a message, but keep it in the queue */
char buf[1] = { 0 };
ret = recvfrom( bind_ctx->fd, buf, sizeof( buf ), MSG_PEEK,
ret = (int) recvfrom( bind_ctx->fd, buf, sizeof( buf ), MSG_PEEK,
(struct sockaddr *) &client_addr, &n );
#if defined(_WIN32)
@ -313,7 +393,7 @@ int mbedtls_net_accept( mbedtls_net_context *bind_ctx,
* then bind a new socket to accept new connections */
if( type != SOCK_STREAM )
{
struct sockaddr_in local_addr;
struct sockaddr_storage local_addr;
int one = 1;
if( connect( bind_ctx->fd, (struct sockaddr *) &client_addr, n ) != 0 )
@ -322,10 +402,10 @@ int mbedtls_net_accept( mbedtls_net_context *bind_ctx,
client_ctx->fd = bind_ctx->fd;
bind_ctx->fd = -1; /* In case we exit early */
n = sizeof( struct sockaddr_in );
n = sizeof( struct sockaddr_storage );
if( getsockname( client_ctx->fd,
(struct sockaddr *) &local_addr, &n ) != 0 ||
( bind_ctx->fd = (int) socket( AF_INET,
( bind_ctx->fd = (int) socket( local_addr.ss_family,
SOCK_DGRAM, IPPROTO_UDP ) ) < 0 ||
setsockopt( bind_ctx->fd, SOL_SOCKET, SO_REUSEADDR,
(const char *) &one, sizeof( one ) ) != 0 )
@ -341,6 +421,8 @@ int mbedtls_net_accept( mbedtls_net_context *bind_ctx,
if( client_ip != NULL )
{
if( client_addr.ss_family == AF_INET )
{
struct sockaddr_in *addr4 = (struct sockaddr_in *) &client_addr;
*ip_len = sizeof( addr4->sin_addr.s_addr );
@ -348,6 +430,19 @@ int mbedtls_net_accept( mbedtls_net_context *bind_ctx,
return( MBEDTLS_ERR_NET_BUFFER_TOO_SMALL );
memcpy( client_ip, &addr4->sin_addr.s_addr, *ip_len );
}
else
{
#if LWIP_IPV6
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *) &client_addr;
*ip_len = sizeof( addr6->sin6_addr.s6_addr );
if( buf_size < *ip_len )
return( MBEDTLS_ERR_NET_BUFFER_TOO_SMALL );
memcpy( client_ip, &addr6->sin6_addr.s6_addr, *ip_len);
#endif
}
}
return( 0 );
@ -398,7 +493,9 @@ void mbedtls_net_usleep( unsigned long usec )
#endif
}
/* Read at most 'len' characters */
/*
* Read at most 'len' characters
*/
int mbedtls_net_recv( void *ctx, unsigned char *buf, size_t len )
{
int ret;
@ -414,13 +511,17 @@ int mbedtls_net_recv( void *ctx, unsigned char *buf, size_t len )
if( net_would_block( ctx ) != 0 )
return( MBEDTLS_ERR_SSL_WANT_READ );
int sock_errno = socket_errno(ctx);
if( sock_errno == EPIPE || sock_errno == ECONNRESET )
#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
!defined(EFI32)
if( WSAGetLastError() == WSAECONNRESET )
return( MBEDTLS_ERR_NET_CONN_RESET );
#else
if( errno == EPIPE || errno == ECONNRESET )
return( MBEDTLS_ERR_NET_CONN_RESET );
if( sock_errno == EINTR )
if( errno == EINTR )
return( MBEDTLS_ERR_SSL_WANT_READ );
#endif
return( MBEDTLS_ERR_NET_RECV_FAILED );
}
@ -456,8 +557,14 @@ int mbedtls_net_recv_timeout( void *ctx, unsigned char *buf, size_t len,
if( ret < 0 )
{
#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
!defined(EFI32)
if( WSAGetLastError() == WSAEINTR )
return( MBEDTLS_ERR_SSL_WANT_READ );
#else
if( errno == EINTR )
return( MBEDTLS_ERR_SSL_WANT_READ );
#endif
return( MBEDTLS_ERR_NET_RECV_FAILED );
}
@ -484,13 +591,17 @@ int mbedtls_net_send( void *ctx, const unsigned char *buf, size_t len )
if( net_would_block( ctx ) != 0 )
return( MBEDTLS_ERR_SSL_WANT_WRITE );
int sock_errno = socket_errno(ctx);
if( sock_errno == EPIPE || sock_errno == ECONNRESET )
#if ( defined(_WIN32) || defined(_WIN32_WCE) ) && !defined(EFIX64) && \
!defined(EFI32)
if( WSAGetLastError() == WSAECONNRESET )
return( MBEDTLS_ERR_NET_CONN_RESET );
#else
if( errno == EPIPE || errno == ECONNRESET )
return( MBEDTLS_ERR_NET_CONN_RESET );
if( sock_errno == EINTR )
if( errno == EINTR )
return( MBEDTLS_ERR_SSL_WANT_WRITE );
#endif
return( MBEDTLS_ERR_NET_SEND_FAILED );
}