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ypcat.c revision 1.12 
      1 /*	$NetBSD: ypcat.c,v 1.12 2009/04/14 09:55:07 lukem Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt (at) 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: ypcat.c,v 1.12 2009/04/14 09:55:07 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.byaddr" },
     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 int	printit __P((int, char *, int, char *, int, char *));
     64 void	usage __P((void));
     65 
     66 int key;
     67 
     68 int
     69 main(argc, argv)
     70 	int argc;
     71 	char *argv[];
     72 {
     73 	char *domainname;
     74 	struct ypall_callback ypcb;
     75 	const char *inmap;
     76 	int notrans;
     77 	int c, r;
     78 	size_t i;
     79 
     80 	domainname = NULL;
     81 	notrans = key = 0;
     82 	while((c = getopt(argc, argv, "xd:kt")) != -1) {
     83 		switch (c) {
     84 		case 'x':
     85 			for (i = 0;
     86 			    i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++)
     87 				printf("Use \"%s\" for \"%s\"\n",
     88 					ypaliases[i].alias,
     89 					ypaliases[i].name);
     90 			exit(0);
     91 
     92 		case 'd':
     93 			domainname = optarg;
     94 			break;
     95 
     96 		case 't':
     97 			notrans++;
     98 			break;
     99 
    100 		case 'k':
    101 			key++;
    102 			break;
    103 
    104 		default:
    105 			usage();
    106 		}
    107 	}
    108 
    109 	argc -= optind;
    110 	argv += optind;
    111 
    112 	if (argc != 1)
    113 		usage();
    114 
    115 	if (domainname == NULL)
    116 		yp_get_default_domain(&domainname);
    117 
    118 	inmap = argv[0];
    119 	if (notrans == 0) {
    120 		for (i = 0; i < sizeof(ypaliases)/sizeof(ypaliases[0]); i++)
    121 			if (strcmp(inmap, ypaliases[i].alias) == 0)
    122 				inmap = ypaliases[i].name;
    123 	}
    124 
    125 	ypcb.foreach = printit;
    126 	ypcb.data = NULL;
    127 
    128 	r = yp_all(domainname, inmap, &ypcb);
    129 	switch (r) {
    130 	case 0:
    131 		break;
    132 
    133 	case YPERR_YPBIND:
    134 		errx(1, "not running ypbind");
    135 
    136 	default:
    137 		errx(1, "no such map %s.  Reason: %s", inmap, yperr_string(r));
    138 	}
    139 	exit(0);
    140 }
    141 
    142 int
    143 printit(instatus, inkey, inkeylen, inval, invallen, indata)
    144 	int instatus;
    145 	char *inkey;
    146 	int inkeylen;
    147 	char *inval;
    148 	int invallen;
    149 	char *indata;
    150 {
    151 
    152 	if (instatus != YP_TRUE)
    153 		return instatus;
    154 	if (key)
    155 		printf("%*.*s", inkeylen, inkeylen, inkey);
    156 	if (invallen)
    157 		printf("%s%*.*s", (key ? " " : ""), invallen, invallen, inval);
    158 	printf("\n");
    159 	return 0;
    160 }
    161 
    162 void
    163 usage()
    164 {
    165 
    166 	fprintf(stderr, "usage: %s [-k] [-d domainname] [-t] mapname\n",
    167 	    getprogname());
    168 	fprintf(stderr, "       %s -x\n", getprogname());
    169 	exit(1);
    170 }
    171