j3d1/tinc
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Merge branch 'master' into 1.1

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Conflicts:
	NEWS
	configure.in
	lib/Makefile.am
	lib/pidfile.c
	lib/pidfile.h
	lib/utils.c
	po/POTFILES.in
	po/nl.po
	src/Makefile.am
	src/bsd/device.c
	src/conf.c
	src/connection.c
	src/cygwin/device.c
	src/edge.c
	src/event.c
	src/graph.c
	src/linux/device.c
	src/meta.c
	src/mingw/device.c
	src/net.c
	src/net_packet.c
	src/net_setup.c
	src/net_socket.c
	src/netutl.c
	src/node.c
	src/process.c
	src/protocol.c
	src/protocol_auth.c
	src/protocol_edge.c
	src/protocol_key.c
	src/protocol_misc.c
	src/protocol_subnet.c
	src/raw_socket/device.c
	src/route.c
	src/solaris/device.c
	src/subnet.c
	src/tincd.c
	src/uml_socket/device.c
This commit is contained in:
Guus Sliepen 2009-09-29 14:55:29 +02:00
commit 7ea85043ac
84 changed files with 810 additions and 1518 deletions
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52
src/linux/device.c
View file

@ -13,11 +13,9 @@
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.
$Id$
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "system.h"
@ -55,8 +53,6 @@ static int device_total_out = 0;
bool setup_device(void) {
struct ifreq ifr;
cp();
if(!get_config_string(lookup_config(config_tree, "Device"), &device))
device = xstrdup(DEFAULT_DEVICE);
@ -70,7 +66,7 @@ bool setup_device(void) {
device_fd = open(device, O_RDWR | O_NONBLOCK);
if(device_fd < 0) {
logger(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
logger(LOG_ERR, "Could not open %s: %s", device, strerror(errno));
return false;
}
@ -81,11 +77,11 @@ bool setup_device(void) {
if(routing_mode == RMODE_ROUTER) {
ifr.ifr_flags = IFF_TUN;
device_type = DEVICE_TYPE_TUN;
device_info = _("Linux tun/tap device (tun mode)");
device_info = "Linux tun/tap device (tun mode)";
} else {
ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
device_type = DEVICE_TYPE_TAP;
device_info = _("Linux tun/tap device (tap mode)");
device_info = "Linux tun/tap device (tap mode)";
}
if(iface)
@ -96,7 +92,7 @@ bool setup_device(void) {
if(iface) free(iface);
iface = xstrdup(ifrname);
} else if(!ioctl(device_fd, (('T' << 8) | 202), &ifr)) {
logger(LOG_WARNING, _("Old ioctl() request was needed for %s"), device);
logger(LOG_WARNING, "Old ioctl() request was needed for %s", device);
strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);
if(iface) free(iface);
iface = xstrdup(ifrname);
@ -105,21 +101,19 @@ bool setup_device(void) {
{
if(routing_mode == RMODE_ROUTER)
overwrite_mac = true;
device_info = _("Linux ethertap device");
device_info = "Linux ethertap device";
device_type = DEVICE_TYPE_ETHERTAP;
if(iface)
free(iface);
iface = xstrdup(rindex(device, '/') ? rindex(device, '/') + 1 : device);
}
logger(LOG_INFO, _("%s is a %s"), device, device_info);
logger(LOG_INFO, "%s is a %s", device, device_info);
return true;
}
void close_device(void) {
cp();
close(device_fd);
free(device);
@ -129,14 +123,12 @@ void close_device(void) {
bool read_packet(vpn_packet_t *packet) {
int inlen;
cp();
switch(device_type) {
case DEVICE_TYPE_TUN:
inlen = read(device_fd, packet->data + 10, MTU - 10);
if(inlen <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"),
logger(LOG_ERR, "Error while reading from %s %s: %s",
device_info, device, strerror(errno));
return false;
}
@ -147,7 +139,7 @@ bool read_packet(vpn_packet_t *packet) {
inlen = read(device_fd, packet->data, MTU);
if(inlen <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"),
logger(LOG_ERR, "Error while reading from %s %s: %s",
device_info, device, strerror(errno));
return false;
}
@ -158,7 +150,7 @@ bool read_packet(vpn_packet_t *packet) {
inlen = read(device_fd, packet->data - 2, MTU + 2);
if(inlen <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"),
logger(LOG_ERR, "Error while reading from %s %s: %s",
device_info, device, strerror(errno));
return false;
}
@ -169,30 +161,28 @@ bool read_packet(vpn_packet_t *packet) {
device_total_in += packet->len;
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s", packet->len,
device_info);
return true;
}
bool write_packet(vpn_packet_t *packet) {
cp();
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
switch(device_type) {
case DEVICE_TYPE_TUN:
packet->data[10] = packet->data[11] = 0;
if(write(device_fd, packet->data + 10, packet->len - 10) < 0) {
logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
strerror(errno));
return false;
}
break;
case DEVICE_TYPE_TAP:
if(write(device_fd, packet->data, packet->len) < 0) {
logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
strerror(errno));
return false;
}
@ -201,7 +191,7 @@ bool write_packet(vpn_packet_t *packet) {
*(short int *)(packet->data - 2) = packet->len;
if(write(device_fd, packet->data - 2, packet->len + 2) < 0) {
logger(LOG_ERR, _("Can't write to %s %s: %s"), device_info, device,
logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
strerror(errno));
return false;
}
@ -214,9 +204,7 @@ bool write_packet(vpn_packet_t *packet) {
}
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);
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);
}