- if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
- note(N_CRIT, "Can't create socket: %m");
- return -1;
- }
-
- FD_SET(sockfd, &SVC_FDSET);
-
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = INADDR_ANY;
- /*
- * If a local hostname is given (-n option to statd), bind to the address
- * specified. This is required to support clients that ignore the mon_name in
- * the statd protocol but use the source address from the request packet.
- */
- if (MY_NAME) {
- struct hostent *hp = gethostbyname(MY_NAME);
- if (hp)
- sin.sin_addr = *(struct in_addr *) hp->h_addr;
- }
- if (port != 0) {
- sin.sin_port = htons(port);
- if (bind(sockfd, &sin, sizeof(sin)) == 0)
- goto out_success;
- note(N_CRIT, "statd: failed to bind to outgoing port, %d\n"
- " falling back on randomly chosen port\n", port);
- }
- if (bindresvport(sockfd, &sin) < 0) {
- dprintf(N_WARNING,
- "process_hosts: can't bind to reserved port\n");
- }
-out_success:
- return sockfd;
-}
-
-/*
- * Try to resolve host name for notify/callback request
- *
- * When compiled with RESTRICTED_STATD defined, we expect all
- * host names to be dotted quads. See monitor.c for details. --okir
- */
-#ifdef RESTRICTED_STATD
-static int
-try_to_resolve(notify_list *lp)
-{
- char *hname;
-
- if (NL_TYPE(lp) == NOTIFY_REBOOT)
- hname = NL_MON_NAME(lp);
- else
- hname = NL_MY_NAME(lp);
- if (!inet_aton(hname, &(NL_ADDR(lp)))) {
- note(N_ERROR, "%s is not an dotted-quad address", hname);
- NL_TIMES(lp) = 0;
- return 0;
- }
-
- /* XXX: In order to handle multi-homed hosts, we could do
- * a reverse lookup, a forward lookup, and cycle through
- * all the addresses.
- */
- return 1;
-}
-#else
-static int
-try_to_resolve(notify_list *lp)
-{
- struct hostent *hp;
- char *hname;
-
- if (NL_TYPE(lp) == NOTIFY_REBOOT)
- hname = NL_MON_NAME(lp);
- else
- hname = NL_MY_NAME(lp);
-
- dprintf(N_DEBUG, "Trying to resolve %s.", hname);
- if (!(hp = gethostbyname(hname))) {
- herror("gethostbyname");
- NL_TIMES(lp) -= 1;
- return 0;
- }