crypto/dist/heimdal/lib/krb5/test_hostname.c

   1 /*
   2  * Copyright (c) 2005 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of KTH nor the names of its contributors may be
  18  *    used to endorse or promote products derived from this software without
  19  *    specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  22  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
  25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  28  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
  32
  33 #include "krb5_locl.h"
  34 #include <err.h>
  35 #include <getarg.h>
  36
  37 __RCSID("$Heimdal: test_hostname.c 15965 2005-08-23 20:18:55Z lha $"
  38         "$NetBSD$");
  39
  40 static int debug_flag   = 0;
  41 static int version_flag = 0;
  42 static int help_flag    = 0;
  43
  44 static int
  45 expand_hostname(krb5_context context, const char *host)
  46 {
  47     krb5_error_code ret;
  48     char *h, **r;
  49
  50     ret = krb5_expand_hostname(context, host, &h);
  51     if (ret)
  52         krb5_err(context, 1, ret, "krb5_expand_hostname(%s)", host);
  53
  54     free(h);
  55
  56     if (debug_flag)
  57         printf("hostname: %s -> %s\n", host, h);
  58
  59     ret = krb5_expand_hostname_realms(context, host, &h, &r);
  60     if (ret)
  61         krb5_err(context, 1, ret, "krb5_expand_hostname_realms(%s)", host);
  62
  63     if (debug_flag) {
  64         int j;
  65
  66         printf("hostname: %s -> %s\n", host, h);
  67         for (j = 0; r[j]; j++) {
  68             printf("\trealm: %s\n", r[j]);
  69         }
  70     }
  71     free(h);
  72     krb5_free_host_realm(context, r);
  73
  74     return 0;
  75 }
  76
  77 static int
  78 test_expand_hostname(krb5_context context)
  79 {
  80     int i, errors = 0;
  81
  82     struct t {
  83         krb5_error_code ret;
  84         const char *orig_hostname;
  85         const char *new_hostname;
  86     } tests[] = {
  87         { 0, "pstn1.su.se", "pstn1.su.se" },
  88         { 0, "pstnproxy.su.se", "pstnproxy.su.se" },
  89     };
  90
  91     for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
  92         errors += expand_hostname(context, tests[i].orig_hostname);
  93     }
  94
  95     return errors;
  96 }
  97
  98 static struct getargs args[] = {
  99     {"debug",   'd',    arg_flag,       &debug_flag,
 100      "turn on debuggin", NULL },
 101     {"version", 0,      arg_flag,       &version_flag,
 102      "print version", NULL },
 103     {"help",    0,      arg_flag,       &help_flag,
 104      NULL, NULL }
 105 };
 106
 107 static void
 108 usage (int ret)
 109 {
 110     arg_printusage (args, sizeof(args)/sizeof(*args), NULL, "hostname ...");
 111     exit (ret);
 112 }
 113
 114
 115 int
 116 main(int argc, char **argv)
 117 {
 118     krb5_context context;
 119     krb5_error_code ret;
 120     int optidx = 0, errors = 0;
 121
 122     setprogname(argv[0]);
 123
 124     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 125         usage(1);
 126
 127     if (help_flag)
 128         usage (0);
 129
 130     if(version_flag){
 131         print_version(NULL);
 132         exit(0);
 133     }
 134
 135     argc -= optidx;
 136     argv += optidx;
 137
 138     ret = krb5_init_context(&context);
 139     if (ret)
 140         errx (1, "krb5_init_context failed: %d", ret);
 141
 142     if (argc > 0) {
 143         while (argc-- > 0)
 144             errors += expand_hostname(context, *argv++);
 145         return errors;
 146     }
 147
 148     errors += test_expand_hostname(context);
 149
 150     krb5_free_context(context);
 151
 152     return errors;
 153 }