/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * 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. */ #ifndef LINT static char rcsid[] = "$Id: ypwhich.c,v 1.1.1.1 1999/05/02 03:59:06 wsanchez Exp $"; #endif #include #include #include #include #include #include #include #include #include //#include #include #include #include #include #include #include extern bool_t xdr_domainname(); 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" }, }; static int n_aliases = 8; void usage() { fprintf(stderr, "Usage:\n"); fprintf(stderr, "\typwhich [-d domain] [[-t] -m [mname] | host]\n"); fprintf(stderr, "\typwhich -x\n"); exit(1); } /* * Like yp_bind except can query a specific host */ int bind_host(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 addr; sock = RPC_ANYSOCK; tv.tv_sec = 15; tv.tv_usec = 0; client = clntudp_create(sin, YPBINDPROG, YPBINDVERS, tv, &sock); if (client==NULL) { fprintf(stderr, "can't clntudp_create: %s\n", yperr_string(YPERR_YPBIND)); return YPERR_YPBIND; } tv.tv_sec = 5; tv.tv_usec = 0; r = clnt_call(client, YPBINDPROC_DOMAIN, xdr_domainname, &dom, xdr_ypbind_resp, &ypbr, tv); if (r != RPC_SUCCESS) { fprintf(stderr, "can't clnt_call: %s\n", yperr_string(YPERR_YPBIND)); clnt_destroy(client); return YPERR_YPBIND; } else { if (ypbr.ypbind_status != YPBIND_SUCC_VAL) { fprintf(stderr, "can't yp_bind: Reason: %s\n", yperr_string(ypbr.ypbind_status)); clnt_destroy(client); return r; } } clnt_destroy(client); memmove(&addr, ypbr.ypbind_resp_u.ypbind_bindinfo.ypbind_binding_addr, 4); hent = gethostbyaddr((char *)&(addr.s_addr), sizeof(u_long), AF_INET); if (hent != NULL) printf("%s\n", hent->h_name); else printf("%s\n", inet_ntoa(addr)); return 0; } int main(int argc, char *argv[]) { char *domainname, *master, *map; ypmaplist *ypml, *y; extern char *optarg; extern int optind; 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 < n_aliases; 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(); } } if (mode == 0) { switch(argc-optind) { case 0: bzero(&sin, 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: bzero(&sin, sizeof sin); sin.sin_family = AF_INET; sin.sin_addr.s_addr = inet_addr(argv[optind]); if (sin.sin_addr.s_addr == -1) { hent = gethostbyname(argv[optind]); if (hent == NULL) { fprintf(stderr, "ypwhich: host %s unknown\n", argv[optind]); exit(1); } bcopy((char *)hent->h_addr_list[0], (char *)&sin.sin_addr, sizeof sin.sin_addr); } if (bind_host(domainname, &sin)) exit(1); break; default: usage(); } exit(0); } if (argc-optind > 1) usage(); if (argv[optind]) { map = argv[optind]; for (i = 0; (!notrans) && (i < n_aliases); i++) { if (!strcmp(map, ypaliases[i].alias)) map = ypaliases[i].name; } r = yp_master(domainname, map, &master); switch(r) { case 0: printf("%s\n", master); free(master); break; case YPERR_YPBIND: fprintf(stderr, "ypwhich: not running ypbind\n"); exit(1); default: fprintf(stderr, "Can't find master for map %s. Reason: %s\n", map, yperr_string(r)); exit(1); } exit(0); } ypml = NULL; r = yp_maplist(domainname, &ypml); switch(r) { case 0: while (ypml != NULL) { r = yp_master(domainname, ypml->map, &master); switch(r) { case 0: printf("%s %s\n", ypml->map, master); free(master); break; default: fprintf(stderr, "YP: can't find the master of %s: Reason: %s\n", ypml->map, yperr_string(r)); break; } y = ypml; ypml = ypml->next; free(y); } break; case YPERR_YPBIND: fprintf(stderr, "ypwhich: not running ypbind\n"); exit(1); default: fprintf(stderr, "Can't get map list for domain %s. Reason: %s\n", domainname, yperr_string(r)); exit(1); } exit(0); }