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| author | Eyal Birger | 2016-05-22 09:20:43 +0000 |
|---|---|---|
| committer | John Crispin | 2016-05-23 07:26:42 +0000 |
| commit | 8a70b2b47dd328f8180e5ecaa7bdc817f574a81b (patch) | |
| tree | a0bf2d2625122ac04e4efea73105da14600f8b78 | |
| parent | ae8773477c31b741ba8b47f8898e4c0a1c834b85 (diff) | |
| download | mdnsd-8a70b2b47dd328f8180e5ecaa7bdc817f574a81b.tar.gz | |
mdnsd: interface: enable looped back messages
When the IP_MULTICAST_LOOP/IPV6_MULTICAST_LOOP socket options are not enabled,
locally generated queries are ignored by mdnsd; This prevents local
applications from being able to discover locally published services.
Signed-off-by: Eyal Birger <eyal.birger@gmail.com>
| -rw-r--r-- | interface.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/interface.c b/interface.c index c8d8972..9ca85e1 100644 --- a/interface.c +++ b/interface.c @@ -315,7 +315,7 @@ interface_mcast_setup4(struct interface *iface) { struct ip_mreqn mreq; uint8_t ttl = 255; - int no = 0; + int yes = 1; struct sockaddr_in sa = { 0 }; int fd = iface->fd.fd; @@ -345,7 +345,7 @@ interface_mcast_setup4(struct interface *iface) return -1; } - if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, &no, sizeof(no)) < 0) + if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) fprintf(stderr, "ioctl failed: IP_MULTICAST_LOOP\n"); return 0; @@ -356,7 +356,7 @@ interface_socket_setup6(struct interface *iface) { struct ipv6_mreq mreq; int ttl = 255; - int no = 0; + int yes = 1; struct sockaddr_in6 sa = { 0 }; int fd = iface->fd.fd; @@ -379,7 +379,7 @@ interface_socket_setup6(struct interface *iface) return -1; } - if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &no, sizeof(no)) < 0) + if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) fprintf(stderr, "ioctl failed: IPV6_MULTICAST_LOOP\n"); return 0; |