X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fmulticast_device.c;h=ea43e2c04a6efbaf4abb555ea97b098ce5fd9fe6;hp=99fafcc87f50eae4bac1e36a5441f83b2fe601df;hb=8fce1eacd7fd7496a740be3ffc236fde37c681d7;hpb=fb5fcc575d25a51acf73d476f63ce72f30cda6c2

diff --git a/src/multicast_device.c b/src/multicast_device.c
index 99fafcc8..ea43e2c0 100644
--- a/src/multicast_device.c
+++ b/src/multicast_device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- multicast socket
     Copyright (C) 2002-2005 Ivo Timmermans,
-                  2002-2013 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
@@ -56,6 +56,7 @@ static bool setup_device(void) {
 	space = strchr(host, ' ');
 	if(!space) {
 		logger(LOG_ERR, "Port number required for %s", device_info);
+		free(host);
 		return false;
 	}
 
@@ -75,6 +76,7 @@ static bool setup_device(void) {
 	device_fd = socket(ai->ai_family, SOCK_DGRAM, IPPROTO_UDP);
 	if(device_fd < 0) {
 		logger(LOG_ERR, "Creating socket failed: %s", sockstrerror(sockerrno));
+		free(host);
 		return false;
 	}
 
@@ -88,6 +90,7 @@ static bool setup_device(void) {
 	if(bind(device_fd, ai->ai_addr, ai->ai_addrlen)) {
 		closesocket(device_fd);
 		logger(LOG_ERR, "Can't bind to %s %s: %s", host, port, sockstrerror(sockerrno));
+		free(host);
 		return false;
 	}
 
@@ -102,6 +105,7 @@ static bool setup_device(void) {
 			if(setsockopt(device_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (void *)&mreq, sizeof mreq)) {
 				logger(LOG_ERR, "Cannot join multicast group %s %s: %s", host, port, sockstrerror(sockerrno));
 				closesocket(device_fd);
+				free(host);
 				return false;
 			}
 #ifdef IP_MULTICAST_LOOP
@@ -123,6 +127,7 @@ static bool setup_device(void) {
 			if(setsockopt(device_fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, (void *)&mreq, sizeof mreq)) {
 				logger(LOG_ERR, "Cannot join multicast group %s %s: %s", host, port, sockstrerror(sockerrno));
 				closesocket(device_fd);
+				free(host);
 				return false;
 			}
 #ifdef IPV6_MULTICAST_LOOP
@@ -135,11 +140,13 @@ static bool setup_device(void) {
 #endif
 	
 		default:
-			logger(LOG_ERR, "Multicast for address family %hx unsupported", ai->ai_family);
+			logger(LOG_ERR, "Multicast for address family %x unsupported", ai->ai_family);
 			closesocket(device_fd);
+			free(host);
 			return false;
 	}
 
+	free(host);
 	logger(LOG_INFO, "%s is a %s", device, device_info);
 
 	return true;