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miniupnpd/minissdp.c: also listen on global SSDP multicast address FF0E::C 

Add comments about also sending the NOTIFY to this address
This commit is contained in:
Thomas Bernard 2014-05-22 01:12:06 +02:00
parent a2effc1535
commit 9f78015a5b
1 changed files with 16 additions and 0 deletions
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16
miniupnpd/minissdp.c
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@ -32,6 +32,7 @@
#define SSDP_MCAST_ADDR ("239.255.255.250")
#define LL_SSDP_MCAST_ADDR "FF02::C"
#define SL_SSDP_MCAST_ADDR "FF05::C"
#define GL_SSDP_MCAST_ADDR "FF0E::C"
/* maximum lenght of SSDP packets we are generating
* (reception is done in a 1500byte buffer) */
@ -92,6 +93,12 @@ AddMulticastMembershipIPv6(int s)
syslog(LOG_ERR, "setsockopt(udp, IPV6_ADD_MEMBERSHIP): %m");
return -1;
}
inet_pton(AF_INET6, GL_SSDP_MCAST_ADDR, &mr.ipv6mr_multiaddr);
if(setsockopt(s, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mr, sizeof(struct ipv6_mreq)) < 0)
{
syslog(LOG_ERR, "setsockopt(udp, IPV6_ADD_MEMBERSHIP): %m");
return -1;
}
return 0;
}
#endif
@ -587,6 +594,15 @@ SendSSDPNotifies(int s, const char * host, unsigned short http_port,
p->sin6_family = AF_INET6;
p->sin6_port = htons(SSDP_PORT);
inet_pton(AF_INET6, LL_SSDP_MCAST_ADDR, &(p->sin6_addr));
/* TODO : also send to SL_SSDP_MCAST_ADDR and GL_SSDP_MCAST_ADDR ? */
/* UPnP Device Architecture 1.1 :
* Devices MUST multicast SSDP messages for each of the UPnP-enabled
* interfaces. The scope of multicast SSDP messages MUST be
* link local FF02::C if the message is sent from a link local address.
* If the message is sent from a global address it MUST be multicast
* using either global scope FF0E::C or site local scope FF05::C.
* In networks with complex topologies and overlapping sites, use of
* global scope is RECOMMENDED. */
}
else
#endif