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ypcat.c revision 1.17 
      1 /* $NetBSD: ypcat.c,v 1.17 2012/03/02 17:27:49 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 1.17 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 <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 static int	compressspace;
     56 
     57 
     58 int
     59 main(int argc, char *argv[])
     60 {
     61 	char *domainname, b_retry_cnt;
     62 	struct ypall_callback ypcb;
     63 	const char *inmap;
     64 	int notrans;
     65 	int c, r;
     66 	size_t i;
     67 	const struct ypalias *ypaliases;
     68 	int key;
     69 
     70 	setprogname(*argv);
     71 	domainname = b_retry_cnt NULL;
     72 	notrans = key = 0;
     73 	ypaliases = ypalias_init();
     74 	while((c = getopt(argc, argv, "bd:kstx")) != -1) {
     75 		switch (c) {
     76 		case 'b':
     77 			b_retry_cnt = optarg;
     78 			break;
     79 
     80 		case 'd':
     81 			domainname = optarg;
     82 			break;
     83 
     84 		case 'k':
     85 			key++;
     86 			break;
     87 
     88 		case 's':
     89 			compressspace++;
     90 			break;
     91 
     92 		case 'x':
     93 			for (i = 0; ypaliases[i].alias; i++)
     94 				printf("Use \"%s\" for \"%s\"\n",
     95 				    ypaliases[i].alias,
     96 				    ypaliases[i].name);
     97 			return 0;
     98 
     99 		case 't':
    100 			notrans++;
    101 			break;
    102 
    103 		default:
    104 			usage();
    105 		}
    106 	}
    107 
    108 	argc -= optind;
    109 	argv += optind;
    110 
    111 	if (argc != 1)
    112 		usage();
    113 
    114 	if (b_retry_cnt != NULL) {
    115 		char *s;
    116 		unsigned long l;
    117 
    118 		l = strtoul(b_retry_cnt, &s, 10);
    119 		if (*s != '\0' || l > 0xffff) usage();
    120 		yp_setbindtries((int)l);
    121 	}
    122 
    123 	if (domainname == NULL)
    124 		yp_get_default_domain(&domainname);
    125 
    126 	inmap = argv[0];
    127 	if (notrans == 0) {
    128 		for (i = 0; ypaliases[i].alias; i++)
    129 			if (strcmp(inmap, ypaliases[i].alias) == 0)
    130 				inmap = ypaliases[i].name;
    131 	}
    132 
    133 	ypcb.foreach = printit;
    134 	ypcb.data = key ? (void *)&key : NULL;
    135 
    136 	r = yp_all(domainname, inmap, &ypcb);
    137 	switch (r) {
    138 	case 0:
    139 		break;
    140 
    141 	case YPERR_YPBIND:
    142 		errx(1, "not running ypbind");
    143 
    144 	default:
    145 		errx(1, "no such map %s.  Reason: %s", inmap, yperr_string(r));
    146 	}
    147 	return 0;
    148 }
    149 
    150 static int
    151 printit(int instatus, char *inkey, int inkeylen, char *inval,
    152     int invallen, char *indata)
    153 {
    154 
    155 	if (instatus != YP_TRUE)
    156 		return instatus;
    157 	if (indata)
    158 		(void)printf("%*.*s", inkeylen, inkeylen, inkey);
    159 	if (invallen) {
    160 		if (indata)
    161 			(void)putc(' ', stdout);
    162 		if (compressspace) {
    163 			int i;
    164 			int hadspace = 0;
    165 
    166 			for (i = 0; i < invallen; i++) {
    167 				if (isspace((unsigned char)inval[i])) {
    168 					if (hadspace)
    169 						continue;
    170 					hadspace = 1;
    171 					(void)putc(' ', stdout);
    172 				} else {
    173 					hadspace = 0;
    174 					(void)putc(inval[i], stdout);
    175 				}
    176 			}
    177 		} else
    178 			(void)printf("%*.*s", invallen, invallen, inval);
    179 	}
    180 	(void)putc('\n', stdout);
    181 	return 0;
    182 }
    183 
    184 static void
    185 usage(void)
    186 {
    187 
    188 	(void)fprintf(stderr, "Usage: %s [-kst] [-b <num-retry> "
    189 	    "[-d <domainname>] <mapname>\n", getprogname());
    190 	(void)fprintf(stderr, "       %s -x\n", getprogname());
    191 	exit(1);
    192 }
    193