-int device_type;
-char *device_fname;
-char *device_info;
-
-int device_total_in = 0;
-int device_total_out = 0;
-
-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_fname)))
- device_fname = DEFAULT_DEVICE;
-
-cp
- if((device_fd = open(device_fname, O_RDWR | O_NONBLOCK)) < 0)
- {
- syslog(LOG_ERR, _("Could not open %s: %m"), device_fname);
- return -1;
- }
-cp
- ppa = 0;
-
- ptr = fname;
- 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: %m"));
- return -1;
- }
-
- /* Assign a new PPA and get its unit number. */
- if( (ppa = ioctl(fd, TUNNEWPPA, ppa)) < 0){
- syslog(LOG_ERR, _("Can't assign new interface: %m"));
- return -1;
- }
-
- if( (if_fd = open(fname, O_RDWR, 0)) < 0){
- syslog(LOG_ERR, _("Could not open %s twice: %m"), fname);
- return -1;
- }
-
- if(ioctl(if_fd, I_PUSH, "ip") < 0){
- syslog(LOG_ERR, _("Can't push IP module: %m"));
- 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: %m"), ppa);
- return -1;
- }
-
- if(ioctl(ip_fd, I_LINK, if_fd) < 0){
- syslog(LOG_ERR, _("Can't link TUN device to IP: %m"));
- return -1;
- }
-
- 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_fname, device_info);
-cp
- return 0;
+char *device = NULL;
+char *iface = NULL;
+static char *device_info = NULL;
+
+static int device_total_in = 0;
+static int device_total_out = 0;
+
+bool setup_device(void) {
+ int ip_fd = -1, if_fd = -1;
+ int ppa;
+ char *ptr;
+
+ if(!get_config_string(lookup_config(config_tree, "Device"), &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));
+ return false;
+ }
+
+ ppa = 0;
+
+ ptr = device;
+ while(*ptr && !isdigit((int) *ptr))
+ ptr++;
+ ppa = atoi(ptr);
+
+ if((ip_fd = open("/dev/ip", O_RDWR, 0)) < 0) {
+ logger(LOG_ERR, "Could not open /dev/ip: %s", strerror(errno));
+ return false;
+ }
+
+ /* Assign a new PPA and get its unit number. */
+ if((ppa = ioctl(device_fd, TUNNEWPPA, ppa)) < 0) {
+ logger(LOG_ERR, "Can't assign new interface: %s", strerror(errno));
+ return false;
+ }
+
+ if((if_fd = open(device, O_RDWR, 0)) < 0) {
+ logger(LOG_ERR, "Could not open %s twice: %s", device,
+ strerror(errno));
+ return false;
+ }
+
+ if(ioctl(if_fd, I_PUSH, "ip") < 0) {
+ logger(LOG_ERR, "Can't push IP module: %s", strerror(errno));
+ return false;
+ }
+
+ /* Assign ppa according to the unit number returned by tun device */
+ if(ioctl(if_fd, IF_UNITSEL, (char *) &ppa) < 0) {
+ logger(LOG_ERR, "Can't set PPA %d: %s", ppa, strerror(errno));
+ return false;
+ }
+
+ if(ioctl(ip_fd, I_LINK, if_fd) < 0) {
+ logger(LOG_ERR, "Can't link TUN device to IP: %s", strerror(errno));
+ return false;
+ }
+
+ if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
+ xasprintf(&iface, "tun%d", ppa);
+
+ device_info = "Solaris tun device";
+
+ logger(LOG_INFO, "%s is a %s", device, device_info);
+
+ return true;
+}
+
+void close_device(void) {
+ close(device_fd);
+
+ free(device);
+ free(iface);
+}
+
+bool read_packet(vpn_packet_t *packet) {
+ int lenin;
+
+ if((lenin = read(device_fd, packet->data + 14, MTU - 14)) <= 0) {
+ logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
+ device, strerror(errno));
+ return false;
+ }
+
+ 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;
+
+ device_total_in += packet->len;
+
+ ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s", packet->len,
+ device_info);
+
+ return true;