diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/sockopt.c | 19 | ||||
| -rw-r--r-- | lib/sockopt.h | 3 |
2 files changed, 15 insertions, 7 deletions
diff --git a/lib/sockopt.c b/lib/sockopt.c index 257271bc0b..d8204936f9 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -219,6 +219,7 @@ setsockopt_ipv6_tclass(int sock, int tclass) int setsockopt_ipv4_multicast(int sock, int optname, + struct in_addr if_addr, unsigned int mcast_addr, unsigned int ifindex) { @@ -279,18 +280,20 @@ setsockopt_ipv4_multicast(int sock, #elif defined(HAVE_BSD_STRUCT_IP_MREQ_HACK) /* #if OS_TYPE */ /* standard BSD API */ - struct in_addr m; struct ip_mreq mreq; int ret; assert(optname == IP_ADD_MEMBERSHIP || optname == IP_DROP_MEMBERSHIP); - m.s_addr = htonl(ifindex); memset (&mreq, 0, sizeof(mreq)); mreq.imr_multiaddr.s_addr = mcast_addr; - mreq.imr_interface = m; - +#if !defined __OpenBSD__ + mreq.imr_interface.s_addr = htonl (ifindex); +#else + mreq.imr_interface.s_addr = if_addr.s_addr; +#endif + ret = setsockopt (sock, IPPROTO_IP, optname, (void *)&mreq, sizeof(mreq)); if ((ret < 0) && (optname == IP_ADD_MEMBERSHIP) && (errno == EADDRINUSE)) { @@ -318,7 +321,7 @@ setsockopt_ipv4_multicast(int sock, * Set IP_MULTICAST_IF socket option in an OS-dependent manner. */ int -setsockopt_ipv4_multicast_if(int sock, +setsockopt_ipv4_multicast_if(int sock, struct in_addr if_addr, unsigned int ifindex) { @@ -336,7 +339,11 @@ setsockopt_ipv4_multicast_if(int sock, #elif defined(HAVE_BSD_STRUCT_IP_MREQ_HACK) struct in_addr m; - m.s_addr = htonl(ifindex); +#if !defined __OpenBSD__ + m.s_addr = htonl (ifindex); +#else + m.s_addr = if_addr.s_addr; +#endif return setsockopt (sock, IPPROTO_IP, IP_MULTICAST_IF, (void *)&m, sizeof(m)); #else diff --git a/lib/sockopt.h b/lib/sockopt.h index cb14efc7ba..a597314c3d 100644 --- a/lib/sockopt.h +++ b/lib/sockopt.h @@ -83,9 +83,10 @@ extern int setsockopt_ipv6_tclass (int, int); (((af) == AF_INET) : SOPT_SIZE_CMSG_IFINDEX_IPV4() \ ? SOPT_SIZE_CMSG_PKTINFO_IPV6()) -extern int setsockopt_ipv4_multicast_if(int sock, +extern int setsockopt_ipv4_multicast_if(int sock, struct in_addr if_addr, unsigned int ifindex); extern int setsockopt_ipv4_multicast(int sock, int optname, + struct in_addr if_addr, unsigned int mcast_addr, unsigned int ifindex); extern int setsockopt_ipv4_tos(int sock, int tos); |