usr.sbin/ypbind/ypbind.c

87 #define READFD ypdb->dom_pipe_fds[0]
88 #define WRITEFD ypdb->dom_pipe_fds[1]
167 	struct _dom_binding *ypdb;
180 	for (ypdb = ypbindlist; ypdb; ypdb = ypdb->dom_pnext) {
181 		if (strcmp(ypdb->dom_domain, *argp) == 0)
185 	if (ypdb == NULL) {
202 		ypdb = malloc(sizeof *ypdb);
203 		if (ypdb == NULL) {
208 		bzero(ypdb, sizeof *ypdb);
209 		strlcpy(ypdb->dom_domain, *argp, sizeof ypdb->dom_domain);
210 		ypdb->dom_vers = YPVERS;
211 		ypdb->dom_alive = 0;
212 		ypdb->dom_default = 0;
213 		ypdb->dom_lockfd = -1;
215 					ypdb->dom_domain, ypdb->dom_vers);
217 		ypdb->dom_pnext = ypbindlist;
218 		ypbindlist = ypdb;
222 	if (ping(ypdb)) {
229 	    &ypdb->dom_server_addr.sin_addr.s_addr, sizeof(u_int32_t));
231 	    &ypdb->dom_server_addr.sin_port, sizeof(u_short));
232 	/*printf("domain %s at %s/%d\n", ypdb->dom_domain,
233 		inet_ntoa(ypdb->dom_server_addr.sin_addr),
234 		ntohs(ypdb->dom_server_addr.sin_port));*/
365 	struct _dom_binding *ypdb;
371 	for (ypdb = ypbindlist; ypdb; ypdb = ypdb->dom_pnext) {
372 		close(ypdb->dom_lockfd);
373 		if (ypdb->dom_broadcast_pid)
374 			kill(ypdb->dom_broadcast_pid, SIGINT);
376 			ypdb->dom_domain, ypdb->dom_vers);
392 	struct _dom_binding *ypdb, *next;
499 			for (ypdb = ypbindlist; ypdb; ypdb = next) {
500 				next = ypdb->dom_pnext;
502 					handle_children(ypdb);
519 	struct _dom_binding *ypdb;
521 	for (ypdb = ypbindlist; ypdb; ypdb = ypdb->dom_pnext)
522 		ping(ypdb);
538 handle_children(struct _dom_binding *ypdb)
560 			if (y == ypdb)
564 		switch (ypdb->dom_default) {
571 				ypdb->dom_domain, YPVERS);
572 			close(ypdb->dom_lockfd);
574 			free(ypdb);
578 			ypdb->dom_broadcast_pid = 0;
579 			ypdb->dom_alive = 0;
580 			broadcast(ypdb);
659 broadcast(struct _dom_binding *ypdb)
664 	if (children >= MAX_CHILDREN || ypdb->dom_broadcast_pid)
667 	if (pipe(ypdb->dom_pipe_fds) < 0) {
672 	if (ypdb->dom_vers == -1 && (long)ypdb->dom_server_addr.sin_addr.s_addr) {
676 			    inet_ntoa(ypdb->dom_server_addr.sin_addr), ypdb->dom_domain);
680 	broad_domain = ypdb;
681 	flock(ypdb->dom_lockfd, LOCK_UN);
683 	switch ((ypdb->dom_broadcast_pid = fork())) {
722 				ypdb->dom_domain, &port);
724 			bzero(&ypdb->dom_server_addr,
726 			if (tell_parent(ypdb->dom_domain,
727 				&ypdb->dom_server_addr))
747 		ptr = ypdb->dom_domain;
755 		bzero(&ypdb->dom_server_addr,
757 		if (tell_parent(ypdb->dom_domain, &ypdb->dom_server_addr))
777 ping(struct _dom_binding *ypdb)
790 	if (ypdb->dom_broadcast_pid)
793 	if ((client_handle = clntudp_bufcreate(&ypdb->dom_server_addr,
797 		ypdb->dom_alive = 0;
798 		ypdb->dom_vers = -1;
799 		broadcast(ypdb);
806 		ptr = ypdb->dom_domain;
812 			ypdb->dom_alive = 0;
813 			ypdb->dom_vers = -1;
815 			broadcast(ypdb);
827 	struct _dom_binding *ypdb, *prev = NULL;
839 	for (ypdb = ypbindlist; ypdb; ypdb = ypdb->dom_pnext) {
840 		if (strcmp(ypdb->dom_domain, dom) == 0)
842 		prev = ypdb;
845 	if (ypdb && force) {
846 		if (ypdb->dom_broadcast_pid) {
847 			kill(ypdb->dom_broadcast_pid, SIGINT);
860 	    if (ypdb != NULL) {
861 		ypdb->dom_broadcast_pid = 0;
862 		ypdb->dom_alive = 0;
868 		switch (ypdb->dom_default) {
871 				ypbindlist = ypdb->dom_pnext;
873 				prev->dom_pnext = ypdb->dom_pnext;
875 				ypdb->dom_domain, YPVERS);
876 			close(ypdb->dom_lockfd);
878 			free(ypdb);
882 			ypdb->dom_broadcast_pid = 0;
883 			ypdb->dom_alive = 0;
884 			broadcast(ypdb);
891 	if (ypdb == NULL) {
898 		ypdb = malloc(sizeof *ypdb);
899 		if (ypdb == NULL) {
903 		bzero(ypdb, sizeof *ypdb);
904 		strlcpy(ypdb->dom_domain, dom, sizeof ypdb->dom_domain);
905 		ypdb->dom_lockfd = -1;
906 		ypdb->dom_default = 0;
907 		ypdb->dom_pnext = ypbindlist;
908 		ypbindlist = ypdb;
912 	if (ypdb->dom_vers == -1 && ypdb->dom_server_addr.sin_addr.s_addr) {
916 			    inet_ntoa(raddrp->sin_addr), ypdb->dom_domain);
920 	bcopy(raddrp, &ypdb->dom_server_addr,
921 		sizeof ypdb->dom_server_addr);
923 	ypdb->dom_vers = YPVERS;
924 	ypdb->dom_alive = 1;
925 	ypdb->dom_broadcast_pid = 0;
927 	if (ypdb->dom_lockfd != -1)
928 		close(ypdb->dom_lockfd);
931 		ypdb->dom_domain, ypdb->dom_vers);
951 	ypdb->dom_lockfd = fd;
965 	if (writev(ypdb->dom_lockfd, iov, 2) != iov[0].iov_len + iov[1].iov_len) {
967 		close(ypdb->dom_lockfd);
968 		ypdb->dom_lockfd = -1;