-/* open a socket in the specified routing domain */
-int
-socket_rdomain(int domain, int type, int protocol, int rdomain)
-{
- int sock, ipproto = IPPROTO_IP;
-
- if ((sock = socket(domain, type, protocol)) == -1)
- return (-1);
-
- if (rdomain == -1)
- return (sock);
-
- switch (domain) {
- case AF_INET6:
- ipproto = IPPROTO_IPV6;
- /* FALLTHROUGH */
- case AF_INET:
- debug2("socket %d af %d setting rdomain %d",
- sock, domain, rdomain);
- if (setsockopt(sock, ipproto, SO_RDOMAIN, &rdomain,
- sizeof(rdomain)) == -1) {
- debug("setsockopt SO_RDOMAIN: %.100s",
- strerror(errno));
- close(sock);
- return (-1);
- }
- break;
- default:
- debug("socket %d af %d does not support rdomain %d",
- sock, domain, rdomain);
- close(sock);
- return (-1);
- }
-
- return (sock);
-}
-