/*
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
}
ai = str2addrinfo(host, port, SOCK_DGRAM);
- if(!ai)
+ if(!ai) {
+ free(host);
return false;
+ }
device_fd = socket(ai->ai_family, SOCK_DGRAM, IPPROTO_UDP);
if(device_fd < 0) {
#endif
static const int one = 1;
- setsockopt(device_fd, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof one);
+ setsockopt(device_fd, SOL_SOCKET, SO_REUSEADDR, (void *)&one, sizeof(one));
if(bind(device_fd, ai->ai_addr, ai->ai_addrlen)) {
closesocket(device_fd);
case AF_INET: {
struct ip_mreq mreq;
struct sockaddr_in in;
- memcpy(&in, ai->ai_addr, sizeof in);
+ memcpy(&in, ai->ai_addr, sizeof(in));
mreq.imr_multiaddr.s_addr = in.sin_addr.s_addr;
mreq.imr_interface.s_addr = htonl(INADDR_ANY);
- if(setsockopt(device_fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (void *)&mreq, sizeof mreq)) {
+ 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
- setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_LOOP, (const void *)&one, sizeof one);
+ setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_LOOP, (const void *)&one, sizeof(one));
#endif
#ifdef IP_MULTICAST_TTL
- setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_TTL, (void *)&ttl, sizeof ttl);
+ setsockopt(device_fd, IPPROTO_IP, IP_MULTICAST_TTL, (void *)&ttl, sizeof(ttl));
#endif
} break;
#endif
case AF_INET6: {
struct ipv6_mreq mreq;
struct sockaddr_in6 in6;
- memcpy(&in6, ai->ai_addr, sizeof in6);
- memcpy(&mreq.ipv6mr_multiaddr, &in6.sin6_addr, sizeof mreq.ipv6mr_multiaddr);
+ memcpy(&in6, ai->ai_addr, sizeof(in6));
+ memcpy(&mreq.ipv6mr_multiaddr, &in6.sin6_addr, sizeof(mreq.ipv6mr_multiaddr));
mreq.ipv6mr_interface = in6.sin6_scope_id;
- if(setsockopt(device_fd, IPPROTO_IPV6, IPV6_JOIN_GROUP, (void *)&mreq, sizeof mreq)) {
+ 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
- setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, (const void *)&one, sizeof one);
+ setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, (const void *)&one, sizeof(one));
#endif
#ifdef IPV6_MULTICAST_HOPS
- setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, (void *)&ttl, sizeof ttl);
+ setsockopt(device_fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, (void *)&ttl, sizeof(ttl));
#endif
} break;
#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;
return false;
}
- if(!memcmp(&ignore_src, packet->data + 6, sizeof ignore_src)) {
+ if(!memcmp(&ignore_src, packet->data + 6, sizeof(ignore_src))) {
ifdebug(SCARY_THINGS) logger(LOG_DEBUG, "Ignoring loopback packet of %d bytes from %s", lenin, device_info);
packet->len = 0;
return true;
device_total_out += packet->len;
- memcpy(&ignore_src, packet->data + 6, sizeof ignore_src);
+ memcpy(&ignore_src, packet->data + 6, sizeof(ignore_src));
return true;
}