Add warnings for bad combinations of Device and Interface.

[tinc] / src / bsd / device.c

diff --git a/src/bsd/device.c b/src/bsd/device.c
index f584355..377d4a7 100644 (file)
--- a/src/bsd/device.c
+++ b/src/bsd/device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- Interaction BSD tun/tap device
     Copyright (C) 2001-2005 Ivo Timmermans,
-                  2001-2012 Guus Sliepen <guus@tinc-vpn.org>
+                  2001-2014 Guus Sliepen <guus@tinc-vpn.org>
                   2009      Grzegorz Dymarek <gregd72002@googlemail.com>
 
     This program is free software; you can redistribute it and/or modify
@@ -34,7 +34,7 @@
 #endif
 
 #define DEFAULT_TUN_DEVICE "/dev/tun0"
-#if defined(HAVE_FREEBSD) || defined(HAVE_NETBSD)
+#if defined(HAVE_FREEBSD) || defined(HAVE_NETBSD) || defined(HAVE_DARWIN)
 #define DEFAULT_TAP_DEVICE "/dev/tap0"
 #else
 #define DEFAULT_TAP_DEVICE "/dev/tun0"
@@ -75,6 +75,8 @@ static bool setup_device(void) {
 
        if(!get_config_string(lookup_config(config_tree, "Interface"), &iface))
                iface = xstrdup(strrchr(device, '/') ? strrchr(device, '/') + 1 : device);
+       else if(strcmp(iface, strrchr(device, '/') ? strrchr(device, '/') + 1 : device))
+               logger(LOG_WARNING, "Warning: Interface does not match Device. $INTERFACE might be set incorrectly.");
 
        if(get_config_string(lookup_config(config_tree, "DeviceType"), &type)) {
                if(!strcasecmp(type, "tun"))