1 /* $OpenBSD: ypmatch.c,v 1.16 2015/02/08 23:40:35 deraadt Exp $ */ 2 /* $NetBSD: ypmatch.c,v 1.8 1996/05/07 01:24:52 jtc Exp $ */ 3 4 /*- 5 * SPDX-License-Identifier: BSD-2-Clause-NetBSD 6 * 7 * Copyright (c) 1992, 1993, 1996 Theo de Raadt <deraadt@theos.com> 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 20 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 34 __FBSDID("$FreeBSD$"); 35 36 #include <sys/param.h> 37 #include <sys/types.h> 38 #include <sys/socket.h> 39 40 #include <ctype.h> 41 #include <err.h> 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <unistd.h> 46 47 #include <rpc/rpc.h> 48 #include <rpc/xdr.h> 49 #include <rpcsvc/yp_prot.h> 50 #include <rpcsvc/ypclnt.h> 51 52 static const struct ypalias { 53 char *alias, *name; 54 } ypaliases[] = { 55 { "passwd", "passwd.byname" }, 56 { "master.passwd", "master.passwd.byname" }, 57 { "shadow", "shadow.byname" }, 58 { "group", "group.byname" }, 59 { "networks", "networks.byaddr" }, 60 { "hosts", "hosts.byname" }, 61 { "protocols", "protocols.bynumber" }, 62 { "services", "services.byname" }, 63 { "aliases", "mail.aliases" }, 64 { "ethers", "ethers.byname" }, 65 }; 66 67 static void 68 usage(void) 69 { 70 fprintf(stderr, "%s\n%s\n", 71 "usage: ypmatch [-kt] [-d domainname] key ... mapname", 72 " ypmatch -x"); 73 exit(1); 74 } 75 76 int 77 main(int argc, char *argv[]) 78 { 79 char *domainname, *inkey, *inmap, *outbuf; 80 int outbuflen, key, notrans, rval; 81 int c, r; 82 u_int i; 83 84 domainname = NULL; 85 notrans = key = 0; 86 while ((c = getopt(argc, argv, "xd:kt")) != -1) 87 switch (c) { 88 case 'x': 89 for (i = 0; i < nitems(ypaliases); i++) 90 printf("Use \"%s\" for \"%s\"\n", 91 ypaliases[i].alias, 92 ypaliases[i].name); 93 exit(0); 94 case 'd': 95 domainname = optarg; 96 break; 97 case 't': 98 notrans = 1; 99 break; 100 case 'k': 101 key = 1; 102 break; 103 default: 104 usage(); 105 } 106 107 if (argc - optind < 2) 108 usage(); 109 110 if (domainname == NULL) 111 yp_get_default_domain(&domainname); 112 113 inmap = argv[argc-1]; 114 if (notrans == 0) { 115 for (i = 0; i < nitems(ypaliases); i++) 116 if (strcmp(inmap, ypaliases[i].alias) == 0) 117 inmap = ypaliases[i].name; 118 } 119 120 rval = 0; 121 for (; optind < argc - 1; optind++) { 122 inkey = argv[optind]; 123 124 r = yp_match(domainname, inmap, inkey, 125 strlen(inkey), &outbuf, &outbuflen); 126 switch (r) { 127 case 0: 128 if (key) 129 printf("%s: ", inkey); 130 printf("%*.*s\n", outbuflen, outbuflen, outbuf); 131 break; 132 case YPERR_YPBIND: 133 errx(1, "not running ypbind"); 134 default: 135 errx(1, "can't match key %s in map %s. reason: %s", 136 inkey, inmap, yperr_string(r)); 137 rval = 1; 138 break; 139 } 140 } 141 exit(rval); 142 } 143