rtpproxy: fix ipv6 handling of timeout socket

Reported by Dan Pascu on mailing list

modules/rtpproxy/timeout_process.c

@@ -73,7 +73,7 @@ void timeout_listener_process(int rank)
 	struct sockaddr* saddr;
 	int len, i,n, left;
 	int optval = 1;
-	struct sockaddr rtpp_info;
+	struct sockaddr_storage rtpp_info;
 	struct rtpp_notify_node *rtpp_lst;
 	str terminate_reason = str_init("RTPProxy Timeout");
 	int offset = 0;
@@ -176,14 +176,14 @@ void timeout_listener_process(int rank)
 		if (pfds[0].revents & POLLIN) {
 			i = sizeof(rtpp_info);
 			memset(&rtpp_info, 0, i);
-			connect_fd = accept(socket_fd, &rtpp_info, (socklen_t *)&i);
+			connect_fd = accept(socket_fd, (struct sockaddr *)&rtpp_info, (socklen_t *)&i);
 			if(connect_fd < 0) {
 				LM_ERR("socket accept failed: %s(%d)\n", strerror(errno), errno);
 				continue;
 			}
 
 			/* if it is a unix socket, try to authenticate it */
-			if (rtpp_info.sa_family == AF_UNIX) {
+			if (((struct sockaddr *)&rtpp_info)->sa_family == AF_UNIX) {
 				s_un = (struct sockaddr_un*)&rtpp_info;
 				/* check if the socket is already opened */
 				lock_get(rtpp_notify_h->lock);
@@ -220,14 +220,14 @@ void timeout_listener_process(int rank)
 				}
 			} else {
 				/* search if I can find this connection */
-				if (rtpp_info.sa_family == AF_INET) {
+				if (((struct sockaddr *)&rtpp_info)->sa_family == AF_INET) {
 					s_in = (struct sockaddr_in*)&rtpp_info;
 					lock_get(rtpp_notify_h->lock);
 					for (rtpp_lst = rtpp_notify_h->rtpp_list; rtpp_lst; rtpp_lst = rtpp_lst->next)
 						if (rtpp_lst->mode == 1 && rtpp_lst->index == 0 &&
 							memcmp(rtpp_lst->addr, &s_in->sin_addr.s_addr, 4) == 0)
 							break;
-				} else if (rtpp_info.sa_family == AF_INET6) {
+				} else if (((struct sockaddr *)&rtpp_info)->sa_family == AF_INET6) {
 					s_in6 = (struct sockaddr_in6*)&rtpp_info;
 					lock_get(rtpp_notify_h->lock);
 					for (rtpp_lst = rtpp_notify_h->rtpp_list; rtpp_lst; rtpp_lst = rtpp_lst->next)
@@ -241,11 +241,11 @@ void timeout_listener_process(int rank)
 
 			if (!rtpp_lst) {
 				lock_release(rtpp_notify_h->lock);
-				if (rtpp_info.sa_family == AF_UNIX)
+				if (((struct sockaddr *)&rtpp_info)->sa_family == AF_UNIX)
 					p = ((struct sockaddr_un*)&rtpp_info)->sun_path;
 				else {
 					struct ip_addr ip;
-					sockaddr2ip_addr(&ip, &rtpp_info);
+					sockaddr2ip_addr(&ip, (struct sockaddr *)&rtpp_info);
 					p = ip_addr2a(&ip); \
 				}
 				LM_DBG("unknown rtpproxy  %s -- ignoring\n", p);