/*
device.c -- multicast socket
Copyright (C) 2002-2005 Ivo Timmermans,
- 2002-2012 Guus Sliepen <guus@tinc-vpn.org>
+ 2002-2013 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
static uint64_t device_total_out = 0;
static struct addrinfo *ai = NULL;
-static mac_t ignore_src = {0};
+static mac_t ignore_src = {{0}};
static bool setup_device(void) {
char *host;
space = strchr(host, ' ');
if(!space) {
logger(LOG_ERR, "Port number required for %s", device_info);
+ free(host);
return false;
}
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;
}
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;
}
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
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
default:
logger(LOG_ERR, "Multicast for address family %hx 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;
static bool read_packet(vpn_packet_t *packet) {
int lenin;
- if((lenin = recv(device_fd, packet->data, MTU, 0)) <= 0) {
+ if((lenin = recv(device_fd, (void *)packet->data, MTU, 0)) <= 0) {
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
- if(sendto(device_fd, packet->data, packet->len, 0, ai->ai_addr, ai->ai_addrlen) < 0) {
+ if(sendto(device_fd, (void *)packet->data, packet->len, 0, ai->ai_addr, ai->ai_addrlen) < 0) {
logger(LOG_ERR, "Can't write to %s %s: %s", device_info, device,
strerror(errno));
return false;