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("$Id$");
  38
  39 static int debug_flag   = 0;
  40 static int version_flag = 0;
  41 static int help_flag    = 0;
  42
  43 static int
  44 expand_hostname(krb5_context context, const char *host)
  45 {
  46     krb5_error_code ret;
  47     char *h, **r;
  48
  49     ret = krb5_expand_hostname(context, host, &h);
  50     if (ret)
  51         krb5_err(context, 1, ret, "krb5_expand_hostname(%s)", host);
  52
  53     free(h);
  54
  55     if (debug_flag)
  56         printf("hostname: %s -> %s\n", host, h);
  57
  58     ret = krb5_expand_hostname_realms(context, host, &h, &r);
  59     if (ret)
  60         krb5_err(context, 1, ret, "krb5_expand_hostname_realms(%s)", host);
  61
  62     if (debug_flag) {
  63         int j;
  64
  65         printf("hostname: %s -> %s\n", host, h);
  66         for (j = 0; r[j]; j++) {
  67             printf("\trealm: %s\n", r[j]);
  68         }
  69     }
  70     free(h);
  71     krb5_free_host_realm(context, r);
  72
  73     return 0;
  74 }
  75
  76 static int
  77 test_expand_hostname(krb5_context context)
  78 {
  79     int i, errors = 0;
  80
  81     struct t {
  82         krb5_error_code ret;
  83         const char *orig_hostname;
  84         const char *new_hostname;
  85     } tests[] = {
  86         { 0, "pstn1.su.se", "pstn1.su.se" },
  87         { 0, "pstnproxy.su.se", "pstnproxy.su.se" },
  88     };
  89
  90     for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
  91         errors += expand_hostname(context, tests[i].orig_hostname);
  92     }
  93
  94     return errors;
  95 }
  96
  97 static struct getargs args[] = {
  98     {"debug",   'd',    arg_flag,       &debug_flag,
  99      "turn on debuggin", NULL },
 100     {"version", 0,      arg_flag,       &version_flag,
 101      "print version", NULL },
 102     {"help",    0,      arg_flag,       &help_flag,
 103      NULL, NULL }
 104 };
 105
 106 static void
 107 usage (int ret)
 108 {
 109     arg_printusage (args, sizeof(args)/sizeof(*args), NULL, "hostname ...");
 110     exit (ret);
 111 }
 112
 113
 114 int
 115 main(int argc, char **argv)
 116 {
 117     krb5_context context;
 118     krb5_error_code ret;
 119     int optidx = 0, errors = 0;
 120
 121     setprogname(argv[0]);
 122
 123     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 124         usage(1);
 125
 126     if (help_flag)
 127         usage (0);
 128
 129     if(version_flag){
 130         print_version(NULL);
 131         exit(0);
 132     }
 133
 134     argc -= optidx;
 135     argv += optidx;
 136
 137     ret = krb5_init_context(&context);
 138     if (ret)
 139         errx (1, "krb5_init_context failed: %d", ret);
 140
 141     if (argc > 0) {
 142         while (argc-- > 0)
 143             errors += expand_hostname(context, *argv++);
 144         return errors;
 145     }
 146
 147     errors += test_expand_hostname(context);
 148
 149     krb5_free_context(context);
 150
 151     return errors;
 152 }