1/* $NetBSD: ypmatch.c,v 1.20 2012/03/02 17:27:49 christos 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 1.20 2012/03/02 17:27:49 christos 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#include "ypalias_init.h" 50 51static void usage(void) __attribute__((__noreturn__)); 52 53int 54main(int argc, char *argv[]) 55{ 56 char *domainname, *b_retry_cnt; 57 char *inkey, *outbuf; 58 const char *inmap; 59 int outbuflen, key, null, notrans; 60 int c, r, len; 61 size_t i; 62 int rval; 63 const struct ypalias *ypaliases; 64 65 setprogname(*argv); 66 domainname = b_retry_cnt = NULL; 67 notrans = key = null = 0; 68 ypaliases = ypalias_init(); 69 while ((c = getopt(argc, argv, "bd:ktxz")) != -1) { 70 switch (c) { 71 case 'x': 72 for(i = 0; ypaliases[i].alias; i++) 73 printf("Use \"%s\" for \"%s\"\n", 74 ypaliases[i].alias, 75 ypaliases[i].name); 76 return 0; 77 78 case 'b': 79 b_retry_cnt = optarg; 80 break; 81 82 case 'd': 83 domainname = optarg; 84 break; 85 86 case 't': 87 notrans++; 88 break; 89 90 case 'k': 91 key++; 92 break; 93 94 case 'z': 95 null++; 96 break; 97 98 default: 99 usage(); 100 } 101 } 102 103 argc -= optind; 104 argv += optind; 105 106 if (argc < 2) 107 usage(); 108 109 if (b_retry_cnt != NULL) { 110 char *s; 111 unsigned long l; 112 113 l = strtoul(b_retry_cnt, &s, 10); 114 if (*s != '\0' || l > 0xffff) usage(); 115 yp_setbindtries((int)l); 116 } 117 118 if (domainname == NULL) 119 yp_get_default_domain(&domainname); 120 121 inmap = argv[argc - 1]; 122 if (notrans == 0) { 123 for (i = 0; ypaliases[i].alias; i++) 124 if (strcmp(inmap, ypaliases[i].alias) == 0) 125 inmap = ypaliases[i].name; 126 } 127 128 rval = 0; 129 for(c = 0; c < (argc - 1); c++) { 130 inkey = argv[c]; 131 132 len = strlen(inkey); 133 if (null) 134 len++; 135 r = yp_match(domainname, inmap, inkey, len, 136 &outbuf, &outbuflen); 137 switch (r) { 138 case 0: 139 if (key) 140 printf("%s: ", inkey); 141 fwrite(outbuf, outbuflen, 1, stdout); 142 putc('\n', stdout); 143 break; 144 145 case YPERR_YPBIND: 146 errx(1, "not running ypbind"); 147 148 default: 149 warnx("can't match key %s in map %s. Reason: %s", 150 inkey, inmap, yperr_string(r)); 151 rval = 1; 152 break; 153 } 154 } 155 156 return rval; 157} 158 159static void 160usage(void) 161{ 162 163 (void)fprintf(stderr, "Usage: %s [-ktz] [-b <num-retry>] " 164 "[-d <domainname>] <key> ... <mapname>\n", getprogname()); 165 (void)fprintf(stderr, " %s -x\n", getprogname()); 166 exit(1); 167} 168