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ypcat.c revision 1.13 
      1 /* $NetBSD: ypcat.c,v 1.13 2009/06/20 19:27:26 christos 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 1.13 2009/06/20 19:27:26 christos Exp $");
     32 #endif
     33 
     34 #include <sys/param.h>
     35 #include <sys/types.h>
     36 #include <sys/socket.h>
     37 #include <sys/errno.h>
     38 #include <ctype.h>
     39 #include <err.h>
     40 #include <stdio.h>
     41 #include <stdlib.h>
     42 #include <string.h>
     43 #include <unistd.h>
     44 
     45 #include <rpc/rpc.h>
     46 #include <rpc/xdr.h>
     47 #include <rpcsvc/yp_prot.h>
     48 #include <rpcsvc/ypclnt.h>
     49 
     50 #include "ypalias_init.h"
     51 
     52 static int	printit(int, char *, int, char *, int, char *);
     53 static void	usage(void) __attribute__((__noreturn__));
     54 
     55 
     56 int
     57 main(int argc, char *argv[])
     58 {
     59 	char *domainname;
     60 	struct ypall_callback ypcb;
     61 	const char *inmap;
     62 	int notrans;
     63 	int c, r;
     64 	size_t i;
     65 	const struct ypalias *ypaliases;
     66 	int key;
     67 
     68 	setprogname(*argv);
     69 	domainname = NULL;
     70 	notrans = key = 0;
     71 	ypaliases = ypalias_init();
     72 	while((c = getopt(argc, argv, "xd:kt")) != -1) {
     73 		switch (c) {
     74 		case 'x':
     75 			for (i = 0; ypaliases[i].alias; i++)
     76 				printf("Use \"%s\" for \"%s\"\n",
     77 				    ypaliases[i].alias,
     78 				    ypaliases[i].name);
     79 			return 0;
     80 
     81 		case 'd':
     82 			domainname = optarg;
     83 			break;
     84 
     85 		case 't':
     86 			notrans++;
     87 			break;
     88 
     89 		case 'k':
     90 			key++;
     91 			break;
     92 
     93 		default:
     94 			usage();
     95 		}
     96 	}
     97 
     98 	argc -= optind;
     99 	argv += optind;
    100 
    101 	if (argc != 1)
    102 		usage();
    103 
    104 	if (domainname == NULL)
    105 		yp_get_default_domain(&domainname);
    106 
    107 	inmap = argv[0];
    108 	if (notrans == 0) {
    109 		for (i = 0; ypaliases[i].alias; i++)
    110 			if (strcmp(inmap, ypaliases[i].alias) == 0)
    111 				inmap = ypaliases[i].name;
    112 	}
    113 
    114 	ypcb.foreach = printit;
    115 	ypcb.data = key ? (void *)&key : NULL;
    116 
    117 	r = yp_all(domainname, inmap, &ypcb);
    118 	switch (r) {
    119 	case 0:
    120 		break;
    121 
    122 	case YPERR_YPBIND:
    123 		errx(1, "not running ypbind");
    124 
    125 	default:
    126 		errx(1, "no such map %s.  Reason: %s", inmap, yperr_string(r));
    127 	}
    128 	return 0;
    129 }
    130 
    131 static int
    132 printit(int instatus, char *inkey, int inkeylen, char *inval,
    133     int invallen, char *indata)
    134 {
    135 
    136 	if (instatus != YP_TRUE)
    137 		return instatus;
    138 	if (indata)
    139 		(void)printf("%*.*s", inkeylen, inkeylen, inkey);
    140 	if (invallen)
    141 		(void)printf("%s%*.*s", (indata ? " " : ""), invallen, invallen,
    142 		    inval);
    143 	(void)printf("\n");
    144 	return 0;
    145 }
    146 
    147 static void
    148 usage(void)
    149 {
    150 
    151 	(void)fprintf(stderr, "Usage: %s [-k] [-d domainname] [-t] mapname\n",
    152 	    getprogname());
    153 	(void)fprintf(stderr, "       %s -x\n", getprogname());
    154 	exit(1);
    155 }
    156