usr.bin/ypcat/ypcat.c

   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@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 [-kt] [-d domainname] mapname\n",
 152             getprogname());
 153         (void)fprintf(stderr, "       %s -x\n", getprogname());
 154         exit(1);
 155 }