lib/krb5/test_alname.c

   1 /*
   2  * Copyright (c) 2003 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 <getarg.h>
  35 #include <err.h>
  36
  37 static void
  38 test_alname(krb5_context context, krb5_const_realm realm,
  39             const char *user, const char *inst,
  40             const char *localuser, int ok)
  41 {
  42     krb5_principal p;
  43     char localname[1024];
  44     krb5_error_code ret;
  45     char *princ;
  46
  47     ret = krb5_make_principal(context, &p, realm, user, inst, NULL);
  48     if (ret)
  49         krb5_err(context, 1, ret, "krb5_build_principal");
  50
  51     ret = krb5_unparse_name(context, p, &princ);
  52     if (ret)
  53         krb5_err(context, 1, ret, "krb5_unparse_name");
  54
  55     ret = krb5_aname_to_localname(context, p, sizeof(localname), localname);
  56     krb5_free_principal(context, p);
  57     free(princ);
  58     if (ret) {
  59         if (!ok)
  60             return;
  61         krb5_err(context, 1, ret, "krb5_aname_to_localname: %s -> %s",
  62                  princ, localuser);
  63     }
  64
  65     if (strcmp(localname, localuser) != 0) {
  66         if (ok)
  67             errx(1, "compared failed %s != %s (should have succeded)",
  68                  localname, localuser);
  69     } else {
  70         if (!ok)
  71             errx(1, "compared failed %s == %s (should have failed)",
  72                  localname, localuser);
  73     }
  74
  75 }
  76
  77 static int version_flag = 0;
  78 static int help_flag    = 0;
  79
  80 static struct getargs args[] = {
  81     {"version", 0,      arg_flag,       &version_flag,
  82      "print version", NULL },
  83     {"help",    0,      arg_flag,       &help_flag,
  84      NULL, NULL }
  85 };
  86
  87 static void
  88 usage (int ret)
  89 {
  90     arg_printusage (args,
  91                     sizeof(args)/sizeof(*args),
  92                     NULL,
  93                     "");
  94     exit (ret);
  95 }
  96
  97 int
  98 main(int argc, char **argv)
  99 {
 100     krb5_context context;
 101     krb5_error_code ret;
 102     krb5_realm realm;
 103     int optidx = 0;
 104     char *user;
 105
 106     setprogname(argv[0]);
 107
 108     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 109         usage(1);
 110
 111     if (help_flag)
 112         usage (0);
 113
 114     if(version_flag){
 115         print_version(NULL);
 116         exit(0);
 117     }
 118
 119     argc -= optidx;
 120     argv += optidx;
 121
 122     if (argc != 1)
 123         errx(1, "first argument should be a local user that in root .k5login");
 124
 125     user = argv[0];
 126
 127     ret = krb5_init_context(&context);
 128     if (ret)
 129         errx (1, "krb5_init_context failed: %d", ret);
 130
 131     ret = krb5_get_default_realm(context, &realm);
 132     if (ret)
 133         krb5_err(context, 1, ret, "krb5_get_default_realm");
 134
 135     test_alname(context, realm, user, NULL, user, 1);
 136     test_alname(context, realm, user, "root", "root", 1);
 137
 138     test_alname(context, "FOO.BAR.BAZ.KAKA", user, NULL, user, 0);
 139     test_alname(context, "FOO.BAR.BAZ.KAKA", user, "root", "root", 0);
 140
 141     test_alname(context, realm, user, NULL,
 142                 "not-same-as-user", 0);
 143     test_alname(context, realm, user, "root",
 144                 "not-same-as-user", 0);
 145
 146     test_alname(context, "FOO.BAR.BAZ.KAKA", user, NULL,
 147                 "not-same-as-user", 0);
 148     test_alname(context, "FOO.BAR.BAZ.KAKA", user, "root",
 149                 "not-same-as-user", 0);
 150
 151     krb5_free_context(context);
 152
 153     return 0;
 154 }