minissdpd: update upnputils.c/.h
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@ -1,13 +1,15 @@
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/* $Id: upnputils.c,v 1.5 2012/05/24 16:51:09 nanard Exp $ */
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/* $Id: upnputils.c,v 1.7 2013/04/20 09:03:18 nanard Exp $ */
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/* MiniUPnP project
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/* MiniUPnP project
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* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
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* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
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* (c) 2006-2012 Thomas Bernard
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* (c) 2006-2013 Thomas Bernard
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* This software is subject to the conditions detailed
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* This software is subject to the conditions detailed
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* in the LICENCE file provided within the distribution */
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* in the LICENCE file provided within the distribution */
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#include "config.h"
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#include "config.h"
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <syslog.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/types.h>
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@ -19,6 +21,10 @@
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#endif
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#endif
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#include "upnputils.h"
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#include "upnputils.h"
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#include "upnpglobalvars.h"
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#ifdef ENABLE_IPV6
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#include "getroute.h"
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#endif
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int
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int
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sockaddr_to_string(const struct sockaddr * addr, char * str, size_t size)
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sockaddr_to_string(const struct sockaddr * addr, char * str, size_t size)
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@ -83,3 +89,75 @@ set_non_blocking(int fd)
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return 1;
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return 1;
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}
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}
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struct lan_addr_s *
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get_lan_for_peer(const struct sockaddr * peer)
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{
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struct lan_addr_s * lan_addr = NULL;
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#ifdef ENABLE_IPV6
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if(peer->sa_family == AF_INET6)
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{
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struct sockaddr_in6 * peer6 = (struct sockaddr_in6 *)peer;
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if(IN6_IS_ADDR_V4MAPPED(&peer6->sin6_addr))
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{
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struct in_addr peer_addr;
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memcpy(&peer_addr, &peer6->sin6_addr.s6_addr[12], 4);
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for(lan_addr = lan_addrs.lh_first;
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lan_addr != NULL;
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lan_addr = lan_addr->list.le_next)
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{
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if( (peer_addr.s_addr & lan_addr->mask.s_addr)
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== (lan_addr->addr.s_addr & lan_addr->mask.s_addr))
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break;
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}
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}
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else
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{
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int index = -1;
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if(peer6->sin6_scope_id > 0)
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index = (int)peer6->sin6_scope_id;
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else
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{
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if(get_src_for_route_to(peer, NULL, NULL, &index) < 0)
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return NULL;
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}
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syslog(LOG_DEBUG, "%s looking for LAN interface index=%d",
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"get_lan_for_peer()", index);
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for(lan_addr = lan_addrs.lh_first;
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lan_addr != NULL;
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lan_addr = lan_addr->list.le_next)
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{
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syslog(LOG_DEBUG,
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"ifname=%s index=%u str=%s addr=%08x mask=%08x",
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lan_addr->ifname, lan_addr->index,
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lan_addr->str,
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ntohl(lan_addr->addr.s_addr),
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ntohl(lan_addr->mask.s_addr));
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if(index == (int)lan_addr->index)
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break;
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}
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}
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}
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else if(peer->sa_family == AF_INET)
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{
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#endif
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for(lan_addr = lan_addrs.lh_first;
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lan_addr != NULL;
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lan_addr = lan_addr->list.le_next)
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{
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if( (((const struct sockaddr_in *)peer)->sin_addr.s_addr & lan_addr->mask.s_addr)
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== (lan_addr->addr.s_addr & lan_addr->mask.s_addr))
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break;
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}
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#ifdef ENABLE_IPV6
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}
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#endif
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if(lan_addr)
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syslog(LOG_DEBUG, "%s: found in LAN %s %s",
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"get_lan_for_peer()", lan_addr->ifname, lan_addr->str);
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else
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syslog(LOG_DEBUG, "%s: not found !", "get_lan_for_peer()");
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return lan_addr;
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}
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@ -1,7 +1,7 @@
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/* $Id: upnputils.h,v 1.2 2012/02/06 16:21:24 nanard Exp $ */
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/* $Id: upnputils.h,v 1.4 2013/02/06 10:50:04 nanard Exp $ */
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/* MiniUPnP project
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/* MiniUPnP project
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* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
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* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
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* (c) 2011-2012 Thomas Bernard
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* (c) 2011-2013 Thomas Bernard
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* This software is subject to the conditions detailed
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* This software is subject to the conditions detailed
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* in the LICENCE file provided within the distribution */
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* in the LICENCE file provided within the distribution */
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@ -23,5 +23,11 @@ sockaddr_to_string(const struct sockaddr * addr, char * str, size_t size);
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int
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int
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set_non_blocking(int fd);
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set_non_blocking(int fd);
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/**
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* get the LAN which the peer belongs to
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*/
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struct lan_addr_s *
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get_lan_for_peer(const struct sockaddr * peer);
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#endif
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#endif
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