Fix whitespace.
[tinc] / src / linux / device.c
index ede6819..18f1b6e 100644 (file)
@@ -55,12 +55,9 @@ static bool setup_device(void) {
                device = xstrdup(DEFAULT_DEVICE);
 
        if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
-#ifdef HAVE_LINUX_IF_TUN_H
-               if (netname != NULL)
+               if(netname)
                        iface = xstrdup(netname);
-#else
-               iface = xstrdup(strrchr(device, '/') ? strrchr(device, '/') + 1 : device);
-#endif
+
        device_fd = open(device, O_RDWR | O_NONBLOCK);
 
        if(device_fd < 0) {
@@ -104,12 +101,7 @@ static bool setup_device(void) {
 
        if(!ioctl(device_fd, TUNSETIFF, &ifr)) {
                strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);
-               if(iface) free(iface);
-               iface = xstrdup(ifrname);
-       } else if(!ioctl(device_fd, (('T' << 8) | 202), &ifr)) {
-               logger(DEBUG_ALWAYS, LOG_WARNING, "Old ioctl() request was needed for %s", device);
-               strncpy(ifrname, ifr.ifr_name, IFNAMSIZ);
-               if(iface) free(iface);
+               free(iface);
                iface = xstrdup(ifrname);
        }
 
@@ -128,7 +120,7 @@ static void close_device(void) {
 
 static bool read_packet(vpn_packet_t *packet) {
        int inlen;
-       
+
        switch(device_type) {
                case DEVICE_TYPE_TUN:
                        inlen = read(device_fd, packet->data + 10, MTU - 10);
@@ -139,6 +131,7 @@ static bool read_packet(vpn_packet_t *packet) {
                                return false;
                        }
 
+                       memset(packet->data, 0, 12);
                        packet->len = inlen + 10;
                        break;
                case DEVICE_TYPE_TAP: