X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fraw_socket_device.c;h=427fb3f763db7ac4eadc8f2908ddab08d6dc55b7;hp=1dd726f888de2d172efb9b7a8eeea2f7efaa9f29;hb=09d60499af3acef2ba9bd7be15e8d1c44249f8d5;hpb=ac48c4ee8c09c8144f830cb66386b9dbe7298440

diff --git a/src/raw_socket_device.c b/src/raw_socket_device.c
index 1dd726f8..427fb3f7 100644
--- a/src/raw_socket_device.c
+++ b/src/raw_socket_device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- raw socket
     Copyright (C) 2002-2005 Ivo Timmermans,
-                  2002-2012 Guus Sliepen <guus@tinc-vpn.org>
+                  2002-2014 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -32,7 +32,7 @@
 #include "route.h"
 #include "xalloc.h"
 
-#if defined(PF_PACKET) && defined(ETH_P_ALL) && defined(AF_PACKET)
+#if defined(PF_PACKET) && defined(ETH_P_ALL) && defined(AF_PACKET) && defined(SIOCGIFINDEX)
 static char *device_info;
 
 static uint64_t device_total_in = 0;
@@ -62,20 +62,21 @@ static bool setup_device(void) {
 
 	memset(&ifr, 0, sizeof(ifr));
 	strncpy(ifr.ifr_ifrn.ifrn_name, iface, IFNAMSIZ);
+	ifr.ifr_ifrn.ifrn_name[IFNAMSIZ - 1] = 0;
+
 	if(ioctl(device_fd, SIOCGIFINDEX, &ifr)) {
 		close(device_fd);
-		logger(LOG_ERR, "Can't find interface %s: %s", iface,
-			   strerror(errno));
+		logger(LOG_ERR, "Can't find interface %s: %s", ifr.ifr_ifrn.ifrn_name, strerror(errno));
 		return false;
 	}
 
-	memset(&sa, '0', sizeof(sa));
+	memset(&sa, 0, sizeof(sa));
 	sa.sll_family = AF_PACKET;
 	sa.sll_protocol = htons(ETH_P_ALL);
 	sa.sll_ifindex = ifr.ifr_ifindex;
 
 	if(bind(device_fd, (struct sockaddr *) &sa, (socklen_t) sizeof(sa))) {
-		logger(LOG_ERR, "Could not bind %s to %s: %s", device, iface, strerror(errno));
+		logger(LOG_ERR, "Could not bind %s to %s: %s", device, ifr.ifr_ifrn.ifrn_name, strerror(errno));
 		return false;
 	}