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Import Upstream version 1.0.24

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This commit is contained in:
Guus Sliepen 2019-08-26 13:44:45 +02:00
parent 413f90b815
commit 45b80e247e
45 changed files with 1342 additions and 341 deletions
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11
src/multicast_device.c
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@ -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;