Ignore the Interface option if device rename is impossible.

[tinc] / src / bsd / device.c

diff --git a/src/bsd/device.c b/src/bsd/device.c
index e083519..cb65dbb 100644 (file)
--- a/src/bsd/device.c
+++ b/src/bsd/device.c
@@ -35,7 +35,7 @@
 #endif
 
 #define DEFAULT_TUN_DEVICE "/dev/tun0"
-#if defined(HAVE_FREEBSD) || defined(HAVE_NETBSD)
+#if defined(HAVE_DARWIN) || defined(HAVE_FREEBSD) || defined(HAVE_NETBSD)
 #define DEFAULT_TAP_DEVICE "/dev/tap0"
 #else
 #define DEFAULT_TAP_DEVICE "/dev/tun0"
@@ -54,8 +54,6 @@ int device_fd = -1;
 char *device = NULL;
 char *iface = NULL;
 static char *device_info = NULL;
-static uint64_t device_total_in = 0;
-static uint64_t device_total_out = 0;
 #if defined(ENABLE_TUNEMU)
 static device_type_t device_type = DEVICE_TYPE_TUNEMU;
 #elif defined(HAVE_OPENBSD) || defined(HAVE_FREEBSD) || defined(HAVE_DRAGONFLY)
@@ -75,6 +73,15 @@ static bool setup_device(void) {
        }
 
        if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
+               iface = NULL;
+#ifndef TAPGIFNAME
+       if (iface) {
+               logger(DEBUG_ALWAYS, LOG_WARNING, "Ignoring specified interface name '%s' as device rename is not supported on this platform", iface);
+               free(iface);
+               iface = NULL;
+       }
+#endif
+       if (!iface)
                iface = xstrdup(strrchr(device, '/') ? strrchr(device, '/') + 1 : device);
 
        if(get_config_string(lookup_config(config_tree, "DeviceType"), &type)) {
@@ -199,9 +206,11 @@ static void close_device(void) {
                default:
                        close(device_fd);
        }
+       device_fd = -1;
 
-       free(device);
-       free(iface);
+       free(device); device = NULL;
+       free(iface); iface = NULL;
+       device_info = NULL;
 }
 
 static bool read_packet(vpn_packet_t *packet) {
@@ -290,8 +299,6 @@ static bool read_packet(vpn_packet_t *packet) {
                        return false;
        }
 
-       device_total_in += packet->len;
-
        logger(DEBUG_TRAFFIC, LOG_DEBUG, "Read packet of %d bytes from %s",
                           packet->len, device_info);
 
@@ -362,21 +369,12 @@ static bool write_packet(vpn_packet_t *packet) {
                        return false;
        }
 
-       device_total_out += packet->len;
-
        return true;
 }
 
-static void dump_device_stats(void) {
-       logger(DEBUG_ALWAYS, LOG_DEBUG, "Statistics for %s %s:", device_info, device);
-       logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes in:  %10"PRIu64, device_total_in);
-       logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
-}
-
 const devops_t os_devops = {
        .setup = setup_device,
        .close = close_device,
        .read = read_packet,
        .write = write_packet,
-       .dump_stats = dump_device_stats,
 };