1 /* 2 * Copyright (c) 1992/3 Theo de Raadt <deraadt@fsa.ca> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 18 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef lint 31 static const char rcsid[] = 32 "$FreeBSD: src/usr.bin/ypmatch/ypmatch.c,v 1.7.2.2 2002/02/15 00:46:56 des Exp $"; 33 #endif /* not lint */ 34 35 #include <sys/param.h> 36 #include <sys/types.h> 37 #include <sys/socket.h> 38 #include <ctype.h> 39 #include <err.h> 40 #include <stdio.h> 41 #include <stdlib.h> 42 #include <string.h> 43 #include <unistd.h> 44 45 #include <rpc/rpc.h> 46 #include <rpc/xdr.h> 47 #include <rpcsvc/yp_prot.h> 48 #include <rpcsvc/ypclnt.h> 49 50 struct ypalias { 51 char *alias, *name; 52 } ypaliases[] = { 53 { "passwd", "passwd.byname" }, 54 { "master.passwd", "master.passwd.byname" }, 55 { "group", "group.byname" }, 56 { "networks", "networks.byaddr" }, 57 { "hosts", "hosts.byname" }, 58 { "protocols", "protocols.bynumber" }, 59 { "services", "services.byname" }, 60 { "aliases", "mail.aliases" }, 61 { "ethers", "ethers.byname" }, 62 }; 63 64 static void 65 usage() 66 { 67 fprintf(stderr, "%s\n%s\n", 68 "usage: ypmatch [-d domain] [-t] [-k] key [key ...] mname", 69 " ypmatch -x"); 70 exit(1); 71 } 72 73 int 74 main(argc, argv) 75 char **argv; 76 { 77 char *domainname = NULL; 78 char *inkey, *inmap, *outbuf; 79 int outbuflen, key, notrans; 80 int c, r, i; 81 82 notrans = key = 0; 83 84 while ((c = getopt(argc, argv, "xd:kt")) != -1) 85 switch (c) { 86 case 'x': 87 for (i = 0; i<sizeof ypaliases/sizeof ypaliases[0]; i++) 88 printf("Use \"%s\" for \"%s\"\n", 89 ypaliases[i].alias, 90 ypaliases[i].name); 91 exit(0); 92 case 'd': 93 domainname = optarg; 94 break; 95 case 't': 96 notrans++; 97 break; 98 case 'k': 99 key++; 100 break; 101 default: 102 usage(); 103 } 104 105 if ((argc-optind) < 2) 106 usage(); 107 108 if (!domainname) 109 yp_get_default_domain(&domainname); 110 111 inmap = argv[argc-1]; 112 for (i = 0; (!notrans) && i<sizeof ypaliases/sizeof ypaliases[0]; i++) 113 if (strcmp(inmap, ypaliases[i].alias) == 0) 114 inmap = ypaliases[i].name; 115 for (; optind < argc-1; optind++) { 116 inkey = argv[optind]; 117 118 r = yp_match(domainname, inmap, inkey, 119 strlen(inkey), &outbuf, &outbuflen); 120 switch (r) { 121 case 0: 122 if (key) 123 printf("%s ", inkey); 124 printf("%*.*s\n", outbuflen, outbuflen, outbuf); 125 break; 126 case YPERR_YPBIND: 127 errx(1, "not running ypbind"); 128 default: 129 errx(1, "can't match key %s in map %s. reason: %s", 130 inkey, inmap, yperr_string(r)); 131 } 132 } 133 exit(0); 134 } 135