1 /* $NetBSD: ypmatch.c,v 1.19 2009/06/21 14:59:53 wiz 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 1.19 2009/06/21 14:59:53 wiz 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 51 static void usage(void) __attribute__((__noreturn__)); 52 53 int 54 main(int argc, char *argv[]) 55 { 56 char *domainname; 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 = NULL; 67 notrans = key = null = 0; 68 ypaliases = ypalias_init(); 69 while ((c = getopt(argc, argv, "xd:ktz")) != -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 'd': 79 domainname = optarg; 80 break; 81 82 case 't': 83 notrans++; 84 break; 85 86 case 'k': 87 key++; 88 break; 89 90 case 'z': 91 null++; 92 break; 93 94 default: 95 usage(); 96 } 97 } 98 99 argc -= optind; 100 argv += optind; 101 102 if (argc < 2) 103 usage(); 104 105 if (domainname == NULL) 106 yp_get_default_domain(&domainname); 107 108 inmap = argv[argc - 1]; 109 if (notrans == 0) { 110 for (i = 0; ypaliases[i].alias; i++) 111 if (strcmp(inmap, ypaliases[i].alias) == 0) 112 inmap = ypaliases[i].name; 113 } 114 115 rval = 0; 116 for(c = 0; c < (argc - 1); c++) { 117 inkey = argv[c]; 118 119 len = strlen(inkey); 120 if (null) 121 len++; 122 r = yp_match(domainname, inmap, inkey, len, 123 &outbuf, &outbuflen); 124 switch (r) { 125 case 0: 126 if (key) 127 printf("%s: ", inkey); 128 fwrite(outbuf, outbuflen, 1, stdout); 129 putc('\n', stdout); 130 break; 131 132 case YPERR_YPBIND: 133 errx(1, "not running ypbind"); 134 135 default: 136 warnx("can't match key %s in map %s. Reason: %s", 137 inkey, inmap, yperr_string(r)); 138 rval = 1; 139 break; 140 } 141 } 142 143 return rval; 144 } 145 146 static void 147 usage(void) 148 { 149 150 (void)fprintf(stderr, "Usage: %s [-ktz] [-d domain] key ... " 151 "mapname\n", getprogname()); 152 (void)fprintf(stderr, " %s -x\n", getprogname()); 153 exit(1); 154 } 155