1 /* $NetBSD: ypmatch.c,v 1.17 2009/04/14 09:57:38 lukem Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@fsa.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 17 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 #ifndef lint 31 __RCSID("$NetBSD: ypmatch.c,v 1.17 2009/04/14 09:57:38 lukem Exp $"); 32 #endif 33 34 #include <sys/param.h> 35 #include <sys/types.h> 36 #include <sys/socket.h> 37 #include <ctype.h> 38 #include <err.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #include <rpc/rpc.h> 45 #include <rpc/xdr.h> 46 #include <rpcsvc/yp_prot.h> 47 #include <rpcsvc/ypclnt.h> 48 49 const struct ypalias { 50 const char *alias, *name; 51 } ypaliases[] = { 52 { "passwd", "passwd.byname" }, 53 { "group", "group.byname" }, 54 { "networks", "networks.byaddr" }, 55 { "hosts", "hosts.byname" }, 56 { "protocols", "protocols.bynumber" }, 57 { "services", "services.byname" }, 58 { "aliases", "mail.aliases" }, 59 { "ethers", "ethers.byname" }, 60 }; 61 62 int main __P((int, char *[])); 63 void usage __P((void)); 64 65 int 66 main(argc, argv) 67 int argc; 68 char *argv[]; 69 { 70 char *domainname; 71 char *inkey, *outbuf; 72 const char *inmap; 73 int outbuflen, key, null, notrans; 74 int c, r, len; 75 size_t i; 76 int rval; 77 78 domainname = NULL; 79 notrans = key = null = 0; 80 while ((c = getopt(argc, argv, "xd:ktz")) != -1) { 81 switch (c) { 82 case 'x': 83 for(i = 0; 84 i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++) 85 printf("Use \"%s\" for \"%s\"\n", 86 ypaliases[i].alias, 87 ypaliases[i].name); 88 exit(0); 89 90 case 'd': 91 domainname = optarg; 92 break; 93 94 case 't': 95 notrans++; 96 break; 97 98 case 'k': 99 key++; 100 break; 101 102 case 'z': 103 null++; 104 break; 105 106 default: 107 usage(); 108 } 109 } 110 111 argc -= optind; 112 argv += optind; 113 114 if (argc < 2) 115 usage(); 116 117 if (domainname == NULL) 118 yp_get_default_domain(&domainname); 119 120 inmap = argv[argc - 1]; 121 if (notrans == 0) { 122 for (i = 0 ; i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++) 123 if (strcmp(inmap, ypaliases[i].alias) == 0) 124 inmap = ypaliases[i].name; 125 } 126 127 rval = 0; 128 for(c = 0; c < (argc - 1); c++) { 129 inkey = argv[c]; 130 131 len = strlen(inkey); 132 if (null) 133 len++; 134 r = yp_match(domainname, inmap, inkey, len, 135 &outbuf, &outbuflen); 136 switch (r) { 137 case 0: 138 if (key) 139 printf("%s: ", inkey); 140 fwrite(outbuf, outbuflen, 1, stdout); 141 putc('\n', stdout); 142 break; 143 144 case YPERR_YPBIND: 145 errx(1, "not running ypbind"); 146 147 default: 148 warnx("can't match key %s in map %s. Reason: %s", 149 inkey, inmap, yperr_string(r)); 150 rval = 1; 151 break; 152 } 153 } 154 155 exit(rval); 156 } 157 158 void 159 usage() 160 { 161 162 fprintf(stderr, "usage: %s [-d domain] [-tkz] key [key ...] " 163 "mapname\n", getprogname()); 164 fprintf(stderr, " %s -x\n", getprogname()); 165 exit(1); 166 } 167