/*
device.c -- Interaction with Solaris tun device
- Copyright (C) 2001-2003 Ivo Timmermans <ivo@o2w.nl>,
- 2001-2003 Guus Sliepen <guus@sliepen.eu.org>
+ Copyright (C) 2001-2005 Ivo Timmermans,
+ 2001-2009 Guus Sliepen <guus@tinc-vpn.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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: device.c,v 1.4 2003/08/27 13:47:52 guus Exp $
+ $Id$
*/
#include "logger.h"
#include "net.h"
#include "utils.h"
+#include "xalloc.h"
#define DEFAULT_DEVICE "/dev/tun"
int device_fd = -1;
char *device = NULL;
char *iface = NULL;
-char ifrname[IFNAMSIZ];
-char *device_info = NULL;
+static char *device_info = NULL;
-int device_total_in = 0;
-int device_total_out = 0;
+static int device_total_in = 0;
+static int device_total_out = 0;
bool setup_device(void)
{
cp();
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
- device = DEFAULT_DEVICE;
+ device = xstrdup(DEFAULT_DEVICE);
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
cp();
close(device_fd);
+
+ free(device);
+ free(iface);
}
bool read_packet(vpn_packet_t *packet)
return false;
}
- packet->data[12] = 0x08;
- packet->data[13] = 0x00;
+ switch(packet->data[14] >> 4) {
+ case 4:
+ packet->data[12] = 0x08;
+ packet->data[13] = 0x00;
+ break;
+ case 6:
+ packet->data[12] = 0x86;
+ packet->data[13] = 0xDD;
+ break;
+ default:
+ ifdebug(TRAFFIC) logger(LOG_ERR,
+ _ ("Unknown IP version %d while reading packet from %s %s"),
+ packet->data[14] >> 4, device_info, device);
+ return false;
+ }
packet->len = lenin + 14;