1 /* $OpenBSD: ypmatch.c,v 1.6 1997/07/21 19:21:17 deraadt Exp $ */ 2 /* $NetBSD: ypmatch.c,v 1.8 1996/05/07 01:24:52 jtc Exp $ */ 3 4 /* 5 * Copyright (c) 1992, 1993, 1996 Theo de Raadt <deraadt@theos.com> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Theo de Raadt. 19 * 4. The name of the author may not be used to endorse or promote 20 * products derived from this software without specific prior written 21 * permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 24 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 27 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef LINT 37 static char rcsid[] = "$OpenBSD: ypmatch.c,v 1.6 1997/07/21 19:21:17 deraadt Exp $"; 38 #endif 39 40 #include <sys/param.h> 41 #include <sys/types.h> 42 #include <sys/socket.h> 43 #include <stdio.h> 44 #include <string.h> 45 #include <unistd.h> 46 #include <ctype.h> 47 48 #include <rpc/rpc.h> 49 #include <rpc/xdr.h> 50 #include <rpcsvc/yp_prot.h> 51 #include <rpcsvc/ypclnt.h> 52 53 struct ypalias { 54 char *alias, *name; 55 } ypaliases[] = { 56 { "passwd", "passwd.byname" }, 57 { "group", "group.byname" }, 58 { "networks", "networks.byaddr" }, 59 { "hosts", "hosts.byname" }, 60 { "protocols", "protocols.bynumber" }, 61 { "services", "services.byname" }, 62 { "aliases", "mail.aliases" }, 63 { "ethers", "ethers.byname" }, 64 }; 65 66 void 67 usage() 68 { 69 fprintf(stderr, "Usage:\n"); 70 fprintf(stderr, "\typmatch [-d domain] [-t] [-k] key [key ...] mname\n"); 71 fprintf(stderr, "\typmatch -x\n"); 72 fprintf(stderr, "where\n"); 73 fprintf(stderr, "\tmname may be either a mapname or a nickname for a map\n"); 74 fprintf(stderr, "\t-t inhibits map nickname translation\n"); 75 fprintf(stderr, "\t-k prints keys as well as values.\n"); 76 fprintf(stderr, "\t-x dumps the map nickname translation table.\n"); 77 exit(1); 78 } 79 80 int 81 main(argc, argv) 82 char **argv; 83 { 84 char *domainname; 85 char *inkey, *inmap, *outbuf; 86 extern char *optarg; 87 extern int optind; 88 int outbuflen, key, notrans; 89 int c, r, i; 90 int rval; 91 92 domainname = NULL; 93 notrans = key = 0; 94 while( (c=getopt(argc, argv, "xd:kt")) != -1) 95 switch(c) { 96 case 'x': 97 for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++) 98 printf("Use \"%s\" for \"%s\"\n", 99 ypaliases[i].alias, 100 ypaliases[i].name); 101 exit(0); 102 case 'd': 103 domainname = optarg; 104 break; 105 case 't': 106 notrans++; 107 break; 108 case 'k': 109 key++; 110 break; 111 default: 112 usage(); 113 } 114 115 if( (argc-optind) < 2 ) 116 usage(); 117 118 if (!domainname) { 119 yp_get_default_domain(&domainname); 120 } 121 122 inmap = argv[argc-1]; 123 if (!notrans) { 124 for(i=0; i<sizeof ypaliases/sizeof ypaliases[0]; i++) 125 if( strcmp(inmap, ypaliases[i].alias) == 0) 126 inmap = ypaliases[i].name; 127 } 128 129 rval = 0; 130 for(; optind < argc-1; optind++) { 131 inkey = argv[optind]; 132 133 r = yp_match(domainname, inmap, inkey, 134 strlen(inkey), &outbuf, &outbuflen); 135 switch(r) { 136 case 0: 137 if(key) 138 printf("%s: ", inkey); 139 printf("%*.*s\n", outbuflen, outbuflen, outbuf); 140 break; 141 case YPERR_YPBIND: 142 fprintf(stderr, "yp_match: not running ypbind\n"); 143 exit(1); 144 default: 145 fprintf(stderr, "Can't match key %s in map %s. Reason: %s\n", 146 inkey, inmap, yperr_string(r)); 147 rval = 1; 148 break; 149 } 150 } 151 exit(rval); 152 } 153