diff options
Diffstat (limited to 'lib/sockopt.c')
| -rw-r--r-- | lib/sockopt.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/lib/sockopt.c b/lib/sockopt.c index 257271bc0b..31b2edbacf 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -219,8 +219,9 @@ 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) + ifindex_t ifindex) { #ifdef HAVE_RFC3678 struct group_req gr; @@ -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)) { @@ -318,8 +321,8 @@ setsockopt_ipv4_multicast(int sock, * Set IP_MULTICAST_IF socket option in an OS-dependent manner. */ int -setsockopt_ipv4_multicast_if(int sock, - unsigned int ifindex) +setsockopt_ipv4_multicast_if(int sock, struct in_addr if_addr, + ifindex_t ifindex) { #ifdef HAVE_STRUCT_IP_MREQN_IMR_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 @@ -345,7 +352,7 @@ setsockopt_ipv4_multicast_if(int sock, } static int -setsockopt_ipv4_ifindex (int sock, int val) +setsockopt_ipv4_ifindex (int sock, ifindex_t val) { int ret; @@ -381,7 +388,7 @@ setsockopt_ipv4_tos(int sock, int tos) int -setsockopt_ifindex (int af, int sock, int val) +setsockopt_ifindex (int af, int sock, ifindex_t val) { int ret = -1; @@ -408,11 +415,11 @@ setsockopt_ifindex (int af, int sock, int val) * Returns the interface index (small integer >= 1) if it can be * determined, or else 0. */ -static int +static ifindex_t getsockopt_ipv4_ifindex (struct msghdr *msgh) { /* XXX: initialize to zero? (Always overwritten, so just cosmetic.) */ - int ifindex = -1; + ifindex_t ifindex = -1; #if defined(IP_PKTINFO) /* Linux pktinfo based ifindex retrieval */ @@ -432,7 +439,7 @@ getsockopt_ipv4_ifindex (struct msghdr *msgh) struct sockaddr_dl *sdl; #else /* SUNOS_5 uses an integer with the index. */ - int *ifindex_p; + ifindex_t *ifindex_p; #endif /* SUNOS_5 */ #ifndef SUNOS_5 @@ -473,7 +480,7 @@ getsockopt_ipv4_ifindex (struct msghdr *msgh) } /* return ifindex, 0 if none found */ -int +ifindex_t getsockopt_ifindex (int af, struct msghdr *msgh) { switch (af) |