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Copy cygwin driver to mingw directory. It doesn't work (yet).

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This commit is contained in:
Guus Sliepen 2003-07-21 15:51:00 +00:00
parent e169244e4b
commit bad82522ec
2 changed files with 306 additions and 2 deletions
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4
configure.in
View file

@ -1,6 +1,6 @@
dnl Process this file with autoconf to produce a configure script.
dnl $Id: configure.in,v 1.13.2.70 2003/07/21 13:18:43 guus Exp $
dnl $Id: configure.in,v 1.13.2.71 2003/07/21 15:51:00 guus Exp $
AC_PREREQ(2.53)
AC_INIT(src/tincd.c)
@ -68,7 +68,7 @@ case $host_os in
[ rm -f src/device.c; ln -sf cygwin/device.c src/device.c ]
;;
*mingw*)
AC_DEFINE(HAVE_CYGWIN, 1, [MinGW])
AC_DEFINE(HAVE_MINGW, 1, [MinGW])
[ rm -f src/device.c; ln -sf mingw/device.c src/device.c ]
;;
*)

304
src/mingw/device.c Normal file
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@ -0,0 +1,304 @@
/*
device.c -- Interaction with CIPE driver in a MinGW environment
Copyright (C) 2002-2003 Ivo Timmermans <ivo@o2w.nl>,
2002-2003 Guus Sliepen <guus@sliepen.eu.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: device.c,v 1.1.2.1 2003/07/21 15:51:00 guus Exp $
*/
#error "Device driver for MinGW environment not written yet!"
#include "system.h"
#include <winioctl.h>
#include "conf.h"
#include "logger.h"
#include "net.h"
#include "route.h"
#include "utils.h"
#include "xalloc.h"
/* Definitions from CIPE */
#define NETCARD_REG_KEY_2000 "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"
#define NETCARD_REG_KEY "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\NetworkCards"
#define REG_SERVICE_KEY "SYSTEM\\CurrentControlSet\\Services"
#define USERMODEDEVICEDIR "\\\\.\\"
#define SYSDEVICEDIR "\\Device\\"
#define USERDEVICEDIR "\\??\\"
#define TAPSUFFIX ".tap"
#define PRODUCT_STRING "DKW Heavy Industries VPN Adapter."
#define CIPE_SERVICE_NAME "CIPE_Daemon"
#define CIPE_DRIVER_NAME "CIPE"
#define CIPE_NDIS_MAJOR_VERSION 4
#define CIPE_NDIS_MINOR_VERSION 0
#ifndef CIPE_DRIVER_MAJOR_VERSION
# define CIPE_DRIVER_MAJOR_VERSION 2
#endif
#ifndef CIPE_DRIVER_MINOR_VERSION
# define CIPE_DRIVER_MINOR_VERSION 1
#endif
#ifndef CIPE_MAC_ROOT_ADDRESS
# define CIPE_MAC_ROOT_ADDRESS "8:0:58:0:0:1"
#endif
#define CIPE_CONTROL_CODE(request,method) CTL_CODE (FILE_DEVICE_PHYSICAL_NETCARD | 8000, request, method, FILE_ANY_ACCESS)
#define CIPE_IOCTL_GET_LASTMAC CIPE_CONTROL_CODE (0, METHOD_BUFFERED)
#define CIPE_IOCTL_GET_MAC CIPE_CONTROL_CODE (1, METHOD_BUFFERED)
#define CIPE_IOCTL_SET_STATISTICS CIPE_CONTROL_CODE (2, METHOD_BUFFERED)
/* Windows 2000 */
#define OSTYPE 5
int device_fd = -1;
char *device = NULL;
char *iface = NULL;
char *device_info = NULL;
int device_total_in = 0;
int device_total_out = 0;
HANDLE handle;
pid_t reader_pid;
int sp[2];
int setup_device(void)
{
HKEY key, key2, adapterkey;
int i;
char adapterid[1024];
char manufacturer[1024];
char productname[1024];
char adaptername[1024];
char tapname[1024];
char gelukt = 0;
long len;
FILETIME filetime;
bool found = false;
cp();
get_config_string(lookup_config(config_tree, "Device"), &device);
/* Open registry and look for network adapters */
if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, (OSTYPE > 4 ? NETCARD_REG_KEY_2000 : NETCARD_REG_KEY), 0, KEY_READ, &key)) {
logger(LOG_ERR, _("Unable to read registry"));
return -1;
}
for (i = 0; ; i++) {
len = sizeof(adapterid);
if(RegEnumKeyEx (key, i, adapterid, &len, 0, 0, 0, &filetime))
break;
/* Find out more about this adapter */
if(RegOpenKeyEx (key, adapterid, 0, KEY_READ, &adapterkey)) {
logger(LOG_ERR, _("Unable to read registry"));
return -1;
}
len = sizeof(productname);
if(RegQueryValueEx(adapterkey, "ProductName", 0, 0, productname, &len))
goto skip;
len = sizeof(manufacturer);
if(RegQueryValueEx(adapterkey, "Manufacturer", 0, 0, manufacturer, &len))
goto skip;
if(!strcmp(productname, "CIPE") && !strcmp(manufacturer, "DKWHeavyIndustries")) {
if(device && strcmp(adapterid, device))
continue;
if(!device)
device = xstrdup(adapterid);
found = true;
break;
}
skip:
RegCloseKey (adapterkey);
}
if(!found) {
logger(LOG_ERR, _("No CIPE adapters found!"));
return -1;
}
/* Get adapter name */
len = sizeof(adaptername);
RegQueryValueEx(adapterkey, (OSTYPE > 4 ? "NetCfgInstanceId" : "ServiceName"), 0, 0, adaptername, &len);
/* FIXME? cipsrvr checks if the device is in use at this point */
/* Try to open the corresponding tap device */
snprintf(tapname, sizeof(tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, adaptername);
/* Now we are going to open this device twice: once for reading and once for writing.
We do this because apparently it isn't possible to check for activity in the select() loop.
Furthermore I don't really know how to do it the "Windows" way. */
if(socketpair(AF_UNIX, SOCK_DGRAM, PF_UNIX, sp)) {
logger(LOG_DEBUG, _("System call `%s' failed: %s"), "socketpair", strerror(errno));
return -1;
}
reader_pid = fork();
if(reader_pid == -1) {
logger(LOG_DEBUG, _("System call `%s' failed: %s"), "fork", strerror(errno));
return -1;
}
if(!reader_pid) {
/* The child opens the tap device for reading, blocking.
It passes everything it reads to the socket. */
char buf[MTU];
int lenin;
handle = CreateFile(tapname, GENERIC_READ, FILE_SHARE_WRITE, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0);
if(handle == INVALID_HANDLE_VALUE) {
logger(LOG_ERR, _("Could not open CIPE tap device for reading!"));
buf[0] = 0;
write(sp[1], buf, 1);
exit(1);
}
logger(LOG_DEBUG, _("Tap reader forked and running."));
/* Notify success */
buf[0] = 1;
write(sp[1], buf, 1);
/* Pass packets */
for(;;) {
ReadFile (handle, buf, MTU, &lenin, NULL);
write(sp[1], buf, lenin);
}
}
/* The parent opens the tap device for writing. */
handle = CreateFile(tapname, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0);
if(handle == INVALID_HANDLE_VALUE) {
logger(LOG_ERR, _("Could not open CIPE tap device for writing!"));
return -1;
}
device_fd = sp[0];
/* Get MAC address from tap device */
if(routing_mode == RMODE_ROUTER) {
DeviceIoControl (handle, CIPE_IOCTL_GET_MAC, mymac.x, sizeof(mymac.x), mymac.x, sizeof(mymac.x), &len, 0);
overwrite_mac = 1;
}
read(device_fd, &gelukt, 1);
if(gelukt != 1) {
logger(LOG_DEBUG, "Tap reader failed!");
return -1;
}
if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
iface = device;
device_info = _("Cygwin CIPE device");
logger(LOG_INFO, _("%s is a %s"), device, device_info);
return 0;
}
void close_device(void)
{
cp();
close(sp[0]);
close(sp[1]);
CloseHandle(handle);
kill(reader_pid, SIGKILL);
}
int read_packet(vpn_packet_t *packet)
{
int lenin;
cp();
if((lenin = read(sp[0], packet->data, MTU)) <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
device, strerror(errno));
return -1;
}
packet->len = lenin;
device_total_in += packet->len;
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
device_info);
return 0;
}
int write_packet(vpn_packet_t *packet)
{
int lenout;
cp();
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
packet->len, device_info);
if(!WriteFile (handle, packet->data, packet->len, &lenout, NULL)) {
logger(LOG_ERR, "Error while writing to %s %s", device_info, device);
return -1;
}
device_total_out += packet->len;
return 0;
}
void dump_device_stats(void)
{
cp();
logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
logger(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
}