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Ok, I forgot these ;)

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This commit is contained in:
Ivo Timmermans 2002-04-09 15:32:14 +00:00
parent af23dfa5ef
commit 86dc60b980
5 changed files with 927 additions and 0 deletions
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148
src/freebsd/device.c Normal file
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/*
device.c -- Interaction with FreeBSD tap device
Copyright (C) 2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>,
2001-2002 Guus Sliepen <guus@sliepen.warande.net>
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 1.2 2002/04/09 15:32:14 zarq Exp $
*/
#include "config.h"
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <net/if.h>
#include <unistd.h>
#include <syslog.h>
#include <string.h>
#include <utils.h>
#include "conf.h"
#include "net.h"
#include "subnet.h"
#include "system.h"
#define DEFAULT_DEVICE "/dev/tap0"
int device_fd = -1;
int device_type;
char *device;
char *interface;
char *device_info;
int device_total_in = 0;
int device_total_out = 0;
extern subnet_t mymac;
/*
open the local ethertap device
*/
int setup_device(void)
{
cp
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
device = DEFAULT_DEVICE;
if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
interface = rindex(device, '/')?rindex(device, '/')+1:device;
cp
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0)
{
syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
return -1;
}
cp
/* Set default MAC address for ethertap devices */
mymac.type = SUBNET_MAC;
mymac.net.mac.address.x[0] = 0xfe;
mymac.net.mac.address.x[1] = 0xfd;
mymac.net.mac.address.x[2] = 0x00;
mymac.net.mac.address.x[3] = 0x00;
mymac.net.mac.address.x[4] = 0x00;
mymac.net.mac.address.x[5] = 0x00;
device_info = _("FreeBSD tap device");
syslog(LOG_INFO, _("%s is a %s"), device, device_info);
cp
return 0;
}
void close_device(void)
{
cp
close(device_fd);
}
/*
read, encrypt and send data that is
available through the ethertap device
*/
int read_packet(vpn_packet_t *packet)
{
int lenin;
cp
if((lenin = read(device_fd, packet->data, MTU)) <= 0)
{
syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
packet->len = lenin;
device_total_in += packet->len;
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"),
packet->len, device_info);
return 0;
cp
}
int write_packet(vpn_packet_t *packet)
{
cp
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
packet->len, device_info);
if(write(device_fd, packet->data, packet->len) < 0)
{
syslog(LOG_ERR, _("Error while writing to %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
device_total_out += packet->len;
cp
}
void dump_device_stats(void)
{
cp
syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
cp
}

224
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/*
device.c -- Interaction with Linux ethertap and tun/tap device
Copyright (C) 2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>,
2001-2002 Guus Sliepen <guus@sliepen.warande.net>
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 1.2 2002/04/09 15:32:14 zarq Exp $
*/
#include "config.h"
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <net/if.h>
#include <unistd.h>
#include <syslog.h>
#include <string.h>
#include <sys/ioctl.h>
#ifdef HAVE_TUNTAP
#ifdef LINUX_IF_TUN_H
#include LINUX_IF_TUN_H
#else
#include <linux/if_tun.h>
#endif
#define DEFAULT_DEVICE "/dev/misc/net/tun"
#else
#define DEFAULT_DEVICE "/dev/tap0"
#endif
#include <utils.h>
#include "conf.h"
#include "net.h"
#include "subnet.h"
#include "system.h"
#define DEVICE_TYPE_ETHERTAP 0
#define DEVICE_TYPE_TUNTAP 1
int device_fd = -1;
int device_type;
char *device;
char *interface;
char ifrname[IFNAMSIZ];
char *device_info;
int device_total_in = 0;
int device_total_out = 0;
extern subnet_t mymac;
/*
open the local ethertap device
*/
int setup_device(void)
{
struct ifreq ifr;
cp
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
device = DEFAULT_DEVICE;
if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
#ifdef HAVE_TUNTAP
interface = netname;
#else
interface = rindex(device, '/')?rindex(device, '/')+1:device;
#endif
cp
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0)
{
syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
return -1;
}
cp
/* Set default MAC address for ethertap devices */
mymac.type = SUBNET_MAC;
mymac.net.mac.address.x[0] = 0xfe;
mymac.net.mac.address.x[1] = 0xfd;
mymac.net.mac.address.x[2] = 0x00;
mymac.net.mac.address.x[3] = 0x00;
mymac.net.mac.address.x[4] = 0x00;
mymac.net.mac.address.x[5] = 0x00;
#ifdef HAVE_TUNTAP
/* Ok now check if this is an old ethertap or a new tun/tap thingie */
memset(&ifr, 0, sizeof(ifr));
cp
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
if (interface)
strncpy(ifr.ifr_name, interface, IFNAMSIZ);
cp
if (!ioctl(device_fd, TUNSETIFF, (void *) &ifr))
{
device_info = _("Linux tun/tap device");
device_type = DEVICE_TYPE_TUNTAP;
strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);
interface = ifrname;
}
else
if (!ioctl(device_fd, (('T'<< 8) | 202), (void *) &ifr))
{
syslog(LOG_WARNING, _("Old ioctl() request was needed for %s"), device);
device_type = DEVICE_TYPE_TUNTAP;
device_info = _("Linux tun/tap device");
strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);
interface = ifrname;
}
else
#endif
{
device_info = _("Linux ethertap device");
device_type = DEVICE_TYPE_ETHERTAP;
interface = rindex(device, '/')?rindex(device, '/')+1:device;
}
syslog(LOG_INFO, _("%s is a %s"), device, device_info);
cp
return 0;
}
void close_device(void)
{
cp
close(device_fd);
}
/*
read, encrypt and send data that is
available through the ethertap device
*/
int read_packet(vpn_packet_t *packet)
{
int lenin;
cp
if(device_type == DEVICE_TYPE_TUNTAP)
{
if((lenin = read(device_fd, packet->data, MTU)) <= 0)
{
syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
packet->len = lenin;
}
else /* ethertap */
{
if((lenin = read(device_fd, packet->data - 2, MTU + 2)) <= 0)
{
syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
packet->len = lenin - 2;
}
device_total_in += packet->len;
if(debug_lvl >= DEBUG_TRAFFIC)
{
syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info);
}
return 0;
cp
}
int write_packet(vpn_packet_t *packet)
{
cp
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
packet->len, device_info);
if(device_type == DEVICE_TYPE_TUNTAP)
{
if(write(device_fd, packet->data, packet->len) < 0)
{
syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
}
else/* ethertap */
{
*(short int *)(packet->data - 2) = packet->len;
if(write(device_fd, packet->data - 2, packet->len + 2) < 0)
{
syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
}
device_total_out += packet->len;
cp
return 0;
}
void dump_device_stats(void)
{
cp
syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
cp
}

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/*
device.c -- Interaction with NetBSD tun device
Copyright (C) 2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>,
2001-2002 Guus Sliepen <guus@sliepen.warande.net>
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 1.2 2002/04/09 15:32:14 zarq Exp $
*/
#include "config.h"
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <net/if.h>
#include <unistd.h>
#include <syslog.h>
#include <string.h>
#include <utils.h>
#include "conf.h"
#include "net.h"
#include "subnet.h"
#include "system.h"
#define DEFAULT_DEVICE "/dev/tun0"
#define DEVICE_TYPE_ETHERTAP 0
#define DEVICE_TYPE_TUNTAP 1
int device_fd = -1;
int device_type;
char *device;
char *interface;
char *device_info;
int device_total_in = 0;
int device_total_out = 0;
extern subnet_t mymac;
/*
open the local ethertap device
*/
int setup_device(void)
{
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
device = DEFAULT_DEVICE;
if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
interface = rindex(device, '/')?rindex(device, '/')+1:device;
cp
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0)
{
syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
return -1;
}
cp
/* Set default MAC address for ethertap devices */
mymac.type = SUBNET_MAC;
mymac.net.mac.address.x[0] = 0xfe;
mymac.net.mac.address.x[1] = 0xfd;
mymac.net.mac.address.x[2] = 0x00;
mymac.net.mac.address.x[3] = 0x00;
mymac.net.mac.address.x[4] = 0x00;
mymac.net.mac.address.x[5] = 0x00;
device_info = _("NetBSD tun device");
syslog(LOG_INFO, _("%s is a %s"), device, device_info);
cp
return 0;
}
void close_device(void)
{
cp
close(device_fd);
cp
}
int read_packet(vpn_packet_t *packet)
{
int lenin;
u_int32_t type;
struct iovec vector[2] = {{&type, sizeof(type)}, {packet->data + 14, MTU - 14}};
cp
if((lenin = readv(device_fd, vector, 2)) <= 0)
{
syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
memcpy(packet->data, mymac.net.mac.address.x, 6);
memcpy(packet->data + 6, mymac.net.mac.address.x, 6);
packet->data[12] = 0x08;
packet->data[13] = 0x00;
packet->len = lenin + 10;
device_total_in += packet->len;
if(debug_lvl >= DEBUG_TRAFFIC)
{
syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info);
}
return 0;
cp
}
int write_packet(vpn_packet_t *packet)
{
u_int32_t type = htonl(AF_INET);
struct iovec vector[2];
cp
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
packet->len, device_info);
vector[0].iov_base = &type;
vector[0].iov_len = sizeof(type);
vector[1].iov_base = packet->data + 14;
vector[1].iov_len = packet->len - 14;
if(writev(device_fd, vector, 2) < 0)
{
syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
device_total_out += packet->len;
cp
}
void dump_device_stats(void)
{
cp
syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
cp
}

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/*
device.c -- Interaction with OpenBSD tun device
Copyright (C) 2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>,
2001-2002 Guus Sliepen <guus@sliepen.warande.net>
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 1.2 2002/04/09 15:32:14 zarq Exp $
*/
#include "config.h"
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <net/if.h>
#include <unistd.h>
#include <syslog.h>
#include <string.h>
#include <utils.h>
#include "conf.h"
#include "net.h"
#include "subnet.h"
#include "system.h"
#define DEFAULT_DEVICE "/dev/tun0"
#define DEVICE_TYPE_ETHERTAP 0
#define DEVICE_TYPE_TUNTAP 1
int device_fd = -1;
int device_type;
char *device;
char *interface;
char *device_info;
int device_total_in = 0;
int device_total_out = 0;
extern subnet_t mymac;
/*
open the local ethertap device
*/
int setup_device(void)
{
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
device = DEFAULT_DEVICE;
if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
interface = rindex(device, '/')?rindex(device, '/')+1:device;
cp
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0)
{
syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
return -1;
}
cp
/* Set default MAC address for ethertap devices */
mymac.type = SUBNET_MAC;
mymac.net.mac.address.x[0] = 0xfe;
mymac.net.mac.address.x[1] = 0xfd;
mymac.net.mac.address.x[2] = 0x00;
mymac.net.mac.address.x[3] = 0x00;
mymac.net.mac.address.x[4] = 0x00;
mymac.net.mac.address.x[5] = 0x00;
device_info = _("OpenBSD tun device");
syslog(LOG_INFO, _("%s is a %s"), device, device_info);
cp
return 0;
}
void close_device(void)
{
cp
close(device_fd);
cp
}
int read_packet(vpn_packet_t *packet)
{
int lenin;
u_int32_t type;
struct iovec vector[2] = {{&type, sizeof(type)}, {packet->data + 14, MTU - 14}};
cp
if((lenin = readv(device_fd, vector, 2)) <= 0)
{
syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
memcpy(packet->data, mymac.net.mac.address.x, 6);
memcpy(packet->data + 6, mymac.net.mac.address.x, 6);
switch(ntohl(type))
{
case AF_INET:
packet->data[12] = 0x8;
packet->data[13] = 0x0;
break;
case AF_INET6:
packet->data[12] = 0x86;
packet->data[13] = 0xDD;
break;
default:
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_ERR, _("Unknown address family %d while reading packet from %s %s"), ntohl(type), device_info, device);
return -1;
}
packet->len = lenin + 10;
device_total_in += packet->len;
if(debug_lvl >= DEBUG_TRAFFIC)
{
syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info);
}
return 0;
cp
}
int write_packet(vpn_packet_t *packet)
{
u_int32_t type;
struct iovec vector[2];
int af;
cp
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
packet->len, device_info);
af = (packet->data[12] << 8) + packet->data[13];
switch(af)
{
case 0x800:
type = htonl(AF_INET);
break;
case 0x86DD:
type = htonl(AF_INET6);
break;
default:
if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_ERR, _("Unknown address family %d while writing packet to %s %s"), af, device_info, device);
return -1;
}
vector[0].iov_base = &type;
vector[0].iov_len = sizeof(type);
vector[1].iov_base = packet->data + 14;
vector[1].iov_len = packet->len - 14;
if(writev(device_fd, vector, 2) < 0)
{
syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
device_total_out += packet->len;
cp
}
void dump_device_stats(void)
{
cp
syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
cp
}

196
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/*
device.c -- Interaction with Solaris tun device
Copyright (C) 2001-2002 Ivo Timmermans <itimmermans@bigfoot.com>,
2001-2002 Guus Sliepen <guus@sliepen.warande.net>
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 1.2 2002/04/09 15:32:14 zarq Exp $
*/
#include "config.h"
#include <stdio.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <unistd.h>
#include <syslog.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/stropts.h>
#include <sys/sockio.h>
#include <net/if_tun.h>
#define DEFAULT_DEVICE "/dev/tun"
#include <utils.h>
#include "conf.h"
#include "net.h"
#include "subnet.h"
#include "system.h"
int device_fd = -1;
int device_type;
char *device = NULL;
char *interface = NULL;
char ifrname[IFNAMSIZ];
char *device_info = NULL;
int device_total_in = 0;
int device_total_out = 0;
subnet_t mymac;
int setup_device(void)
{
int ip_fd = -1, if_fd = -1;
int ppa;
char *ptr;
cp
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
device = DEFAULT_DEVICE;
cp
if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0)
{
syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
return -1;
}
cp
ppa = 0;
ptr = device;
while(*ptr && !isdigit((int)*ptr)) ptr++;
ppa = atoi(ptr);
if( (ip_fd = open("/dev/ip", O_RDWR, 0)) < 0){
syslog(LOG_ERR, _("Could not open /dev/ip: %s"), strerror(errno));
return -1;
}
/* Assign a new PPA and get its unit number. */
if( (ppa = ioctl(device_fd, TUNNEWPPA, ppa)) < 0){
syslog(LOG_ERR, _("Can't assign new interface: %s"), strerror(errno));
return -1;
}
if( (if_fd = open(device, O_RDWR, 0)) < 0){
syslog(LOG_ERR, _("Could not open %s twice: %s"), device, strerror(errno));
return -1;
}
if(ioctl(if_fd, I_PUSH, "ip") < 0){
syslog(LOG_ERR, _("Can't push IP module: %s"), strerror(errno));
return -1;
}
/* Assign ppa according to the unit number returned by tun device */
if(ioctl(if_fd, IF_UNITSEL, (char *)&ppa) < 0){
syslog(LOG_ERR, _("Can't set PPA %d: %s"), ppa, strerror(errno));
return -1;
}
if(ioctl(ip_fd, I_LINK, if_fd) < 0){
syslog(LOG_ERR, _("Can't link TUN device to IP: %s"), strerror(errno));
return -1;
}
if(!get_config_string(lookup_config(config_tree, "Interface"), &interface))
asprintf(&interface, "tun%d", ppa);
device_info = _("Solaris tun device");
/* Set default MAC address for ethertap devices */
mymac.type = SUBNET_MAC;
mymac.net.mac.address.x[0] = 0xfe;
mymac.net.mac.address.x[1] = 0xfd;
mymac.net.mac.address.x[2] = 0x00;
mymac.net.mac.address.x[3] = 0x00;
mymac.net.mac.address.x[4] = 0x00;
mymac.net.mac.address.x[5] = 0x00;
syslog(LOG_INFO, _("%s is a %s"), device, device_info);
cp
return 0;
}
void close_device(void)
{
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close(device_fd);
}
int read_packet(vpn_packet_t *packet)
{
int lenin;
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if((lenin = read(device_fd, packet->data + 14, MTU - 14)) <= 0)
{
syslog(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno));
return -1;
}
memcpy(packet->data, mymac.net.mac.address.x, 6);
memcpy(packet->data + 6, mymac.net.mac.address.x, 6);
packet->data[12] = 0x08;
packet->data[13] = 0x00;
packet->len = lenin + 14;
device_total_in += packet->len;
if(debug_lvl >= DEBUG_TRAFFIC)
{
syslog(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len, device_info);
}
return 0;
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}
int write_packet(vpn_packet_t *packet)
{
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if(debug_lvl >= DEBUG_TRAFFIC)
syslog(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
packet->len, device_info);
if(write(device_fd, packet->data + 14, packet->len - 14) < 0)
{
syslog(LOG_ERR, _("Can't write to %s %s: %s"), device_info, packet->len, strerror(errno));
return -1;
}
device_total_out += packet->len;
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return 0;
}
void dump_device_stats(void)
{
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syslog(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
syslog(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
syslog(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
cp
}