statd_get_socket(void)
{
struct sockaddr_in sin;
+ struct servent *se;
+ int loopcnt = 100;
if (sockfd >= 0)
return sockfd;
- if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
- note(N_CRIT, "Can't create socket: %m");
- return -1;
- }
+ while (loopcnt-- > 0) {
- FD_SET(sockfd, &SVC_FDSET);
+ if (sockfd >= 0) close(sockfd);
- memset(&sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = INADDR_ANY;
+ if ((sockfd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
+ note(N_CRIT, "Can't create socket: %m");
+ return -1;
+ }
- if (bindresvport(sockfd, &sin) < 0) {
- dprintf(N_WARNING,
- "process_hosts: can't bind to reserved port\n");
+
+ memset(&sin, 0, sizeof(sin));
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = INADDR_ANY;
+
+ if (bindresvport(sockfd, &sin) < 0) {
+ dprintf(N_WARNING,
+ "process_hosts: can't bind to reserved port\n");
+ break;
+ }
+ se = getservbyport(sin.sin_port, "udp");
+ if (se == NULL)
+ break;
+ /* rather not use that port, try again */
}
+ FD_SET(sockfd, &SVC_FDSET);
return sockfd;
}