/* $NetBSD: ypwhich.c,v 1.8 1997/07/18 07:40:43 thorpej Exp $ */ /* * Copyright (c) 1992, 1993 Theo de Raadt * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Theo de Raadt. * 4. The name of the author may not be used to endorse or promote * products derived from this software without specific prior written * permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #ifndef lint __RCSID("$NetBSD: ypwhich.c,v 1.8 1997/07/18 07:40:43 thorpej Exp $"); #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include const struct ypalias { char *alias, *name; } ypaliases[] = { { "passwd", "passwd.byname" }, { "group", "group.byname" }, { "networks", "networks.byaddr" }, { "hosts", "hosts.byaddr" }, { "protocols", "protocols.bynumber" }, { "services", "services.byname" }, { "aliases", "mail.aliases" }, { "ethers", "ethers.byname" }, }; int main __P((int, char *[])); int bind_host __P((char *dom, struct sockaddr_in *)); void usage __P((void)); extern char *__progname; int main(argc, argv) int argc; char *argv[]; { char *domainname, *master, *map; struct ypmaplist *ypml, *y; struct hostent *hent; struct sockaddr_in sin; int notrans, mode, getmap; int c, r, i; yp_get_default_domain(&domainname); map = NULL; getmap = notrans = mode = 0; while((c = getopt(argc, argv, "xd:mt")) != -1) { switch (c) { case 'x': for(i = 0; i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++) printf("Use \"%s\" for \"%s\"\n", ypaliases[i].alias, ypaliases[i].name); exit(0); case 'd': domainname = optarg; break; case 't': notrans++; break; case 'm': mode++; break; default: usage(); } } argc -= optind; argv += optind; if (domainname == NULL) errx(1, "YP domain name not set"); if (mode == 0) { switch (argc) { case 0: memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK); if (bind_host(domainname, &sin)) exit(1); break; case 1: memset(&sin, 0, sizeof(sin)); sin.sin_family = AF_INET; if (inet_aton(argv[0], &sin.sin_addr) == 0) { hent = gethostbyname(argv[0]); if (hent == NULL) errx(1, "host %s unknown", argv[0]); memcpy(&sin.sin_addr, hent->h_addr, sizeof(sin.sin_addr)); } if (bind_host(domainname, &sin)) exit(1); break; default: usage(); } exit(0); } if (argc > 1) usage(); if (argc == 1) { map = argv[0]; for (i = 0; (notrans == 0) && i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++) if (strcmp(map, ypaliases[i].alias) == 0) map = ypaliases[i].name; r = yp_master(domainname, map, &master); switch (r) { case 0: printf("%s\n", master); free(master); break; case YPERR_YPBIND: errx(1, "not running upbind"); default: errx(1, "can't find master for map %s. Reason: %s", map, yperr_string(r)); } exit(0); } ypml = NULL; r = yp_maplist(domainname, &ypml); switch (r) { case 0: for (y = ypml; y != NULL; ) { ypml = y; r = yp_master(domainname, ypml->ypml_name, &master); switch (r) { case 0: printf("%s %s\n", ypml->ypml_name, master); free(master); break; default: warnx("can't find master for map %s. " "Reason: %s", ypml->ypml_name, yperr_string(r)); break; } y = ypml->ypml_next; free(ypml); } break; case YPERR_YPBIND: errx(1, "not running ypbind"); default: errx(1, "can't get map list for domain %s. Reason: %s", domainname, yperr_string(r)); } exit(0); } /* * Like yp_bind except can query a specific host */ int bind_host(dom, sin) char *dom; struct sockaddr_in *sin; { struct hostent *hent = NULL; struct ypbind_resp ypbr; struct timeval tv; CLIENT *client; int sock, r; struct in_addr ina; sock = RPC_ANYSOCK; tv.tv_sec = 15; tv.tv_usec = 0; client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock); if (client == NULL) { warnx("can't clntudp_create: %s", yperr_string(YPERR_YPBIND)); return YPERR_YPBIND; } tv.tv_sec = 5; tv.tv_usec = 0; r = clnt_call(client, YPBINDPROC_DOMAIN, xdr_ypdomain_wrap_string, &dom, xdr_ypbind_resp, &ypbr, tv); if (r != RPC_SUCCESS) { warnx("can't cnlt_call: %s", yperr_string(YPERR_YPBIND)); clnt_destroy(client); return YPERR_YPBIND; } else { if (ypbr.ypbind_status != YPBIND_SUCC_VAL) { warnx("can't bind. Reason: %s\n", yperr_string(ypbr.ypbind_status)); clnt_destroy(client); return r; } } clnt_destroy(client); ina.s_addr = ypbr.ypbind_respbody.ypbind_bindinfo.ypbind_binding_addr.s_addr; hent = gethostbyaddr((const char *)&ina.s_addr, sizeof(ina.s_addr), AF_INET); if (hent != NULL) printf("%s\n", hent->h_name); else printf("%s\n", inet_ntoa(ina)); return 0; } void usage() { fprintf(stderr, "usage: %s [-d domain] [[-t] -m [mapname] | host]\n", __progname); fprintf(stderr, " %s -x\n", __progname); exit(1); }