along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: device.c,v 1.1.2.8 2002/06/21 10:11:37 guus Exp $
+ $Id: device.c,v 1.1.2.11 2002/09/10 21:29:42 guus Exp $
*/
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;
+ 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;
+
+ if((device_fd = open(device, O_RDWR | O_NONBLOCK)) < 0) {
+ syslog(LOG_ERR, _("Could not open %s: %s"), device, strerror(errno));
+ return -1;
+ }
+
+ 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);
+
+ return 0;
}
void close_device(void)
{
-cp
- close(device_fd);
+ cp();
+
+ close(device_fd);
}
int read_packet(vpn_packet_t *packet)
{
- int lenin;
-cp
- 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;
-cp
+ int lenin;
+
+ cp();
+
+ 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;
}
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 + 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;
-cp
- return 0;
+ 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 + 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;
+
+ 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
+ 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);
}