diff options
| -rw-r--r-- | lib/sockopt.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/sockopt.c b/lib/sockopt.c index 31b2edbac..c480cee0d 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -20,6 +20,11 @@ */ #include <zebra.h> + +#ifdef SUNOS_5 +#include <ifaddrs.h> +#endif + #include "log.h" #include "sockopt.h" #include "sockunion.h" @@ -346,6 +351,35 @@ setsockopt_ipv4_multicast_if(int sock, struct in_addr if_addr, #endif return setsockopt (sock, IPPROTO_IP, IP_MULTICAST_IF, (void *)&m, sizeof(m)); +#elif defined(SUNOS_5) + char ifname[IF_NAMESIZE]; + struct ifaddrs *ifa, *ifap; + struct in_addr ifaddr; + + if (if_indextoname(ifindex, ifname) == NULL) + return -1; + + if (getifaddrs(&ifa) != 0) + return -1; + + for (ifap = ifa; ifap != NULL; ifap = ifap->ifa_next) + { + struct sockaddr_in *sa; + + if (strcmp(ifap->ifa_name, ifname) != 0) + continue; + if (ifap->ifa_addr->sa_family != AF_INET) + continue; + sa = (struct sockaddr_in*)ifap->ifa_addr; + memcpy(&ifaddr, &sa->sin_addr, sizeof(ifaddr)); + break; + } + + freeifaddrs(ifa); + if (!ifap) /* This means we did not find an IP */ + return -1; + + return setsockopt(sock, IPPROTO_IP, IP_MULTICAST_IF, (void *)&ifaddr, sizeof(ifaddr)); #else #error "Unsupported multicast API" #endif |