lib/gssapi/test_cred.c

   1 /*
   2  * Copyright (c) 2003-2004 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
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 #endif
  37
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <stdarg.h>
  42 #include <gssapi.h>
  43 #include <err.h>
  44 #include <roken.h>
  45 #include <getarg.h>
  46
  47 RCSID("$Id$");
  48
  49 static void
  50 gss_print_errors (int min_stat)
  51 {
  52     OM_uint32 new_stat;
  53     OM_uint32 msg_ctx = 0;
  54     gss_buffer_desc status_string;
  55     OM_uint32 ret;
  56
  57     do {
  58         ret = gss_display_status (&new_stat,
  59                                   min_stat,
  60                                   GSS_C_MECH_CODE,
  61                                   GSS_C_NO_OID,
  62                                   &msg_ctx,
  63                                   &status_string);
  64         if (!GSS_ERROR(ret)) {
  65             fprintf (stderr, "%s\n", (char *)status_string.value);
  66             gss_release_buffer (&new_stat, &status_string);
  67         }
  68     } while (!GSS_ERROR(ret) && msg_ctx != 0);
  69 }
  70
  71 static void
  72 gss_err(int exitval, int status, const char *fmt, ...)
  73 {
  74     va_list args;
  75
  76     va_start(args, fmt);
  77     vwarnx (fmt, args);
  78     gss_print_errors (status);
  79     va_end(args);
  80     exit (exitval);
  81 }
  82
  83 static void
  84 acquire_release_loop(gss_name_t name, int counter, gss_cred_usage_t usage)
  85 {
  86     OM_uint32 maj_stat, min_stat;
  87     gss_cred_id_t cred;
  88     int i;
  89
  90     for (i = 0; i < counter; i++) {
  91         maj_stat = gss_acquire_cred(&min_stat, name,
  92                                     GSS_C_INDEFINITE,
  93                                     GSS_C_NO_OID_SET,
  94                                     usage,
  95                                     &cred,
  96                                     NULL,
  97                                     NULL);
  98         if (maj_stat != GSS_S_COMPLETE)
  99             gss_err(1, min_stat, "aquire %d %d != GSS_S_COMPLETE",
 100                     i, (int)maj_stat);
 101
 102         maj_stat = gss_release_cred(&min_stat, &cred);
 103         if (maj_stat != GSS_S_COMPLETE)
 104             gss_err(1, min_stat, "release %d %d != GSS_S_COMPLETE",
 105                     i, (int)maj_stat);
 106     }
 107 }
 108
 109
 110 static void
 111 acquire_add_release_add(gss_name_t name, gss_cred_usage_t usage)
 112 {
 113     OM_uint32 maj_stat, min_stat;
 114     gss_cred_id_t cred, cred2, cred3;
 115
 116     maj_stat = gss_acquire_cred(&min_stat, name,
 117                                 GSS_C_INDEFINITE,
 118                                 GSS_C_NO_OID_SET,
 119                                 usage,
 120                                 &cred,
 121                                 NULL,
 122                                 NULL);
 123     if (maj_stat != GSS_S_COMPLETE)
 124         gss_err(1, min_stat, "aquire %d != GSS_S_COMPLETE", (int)maj_stat);
 125
 126     maj_stat = gss_add_cred(&min_stat,
 127                             cred,
 128                             GSS_C_NO_NAME,
 129                             GSS_KRB5_MECHANISM,
 130                             usage,
 131                             GSS_C_INDEFINITE,
 132                             GSS_C_INDEFINITE,
 133                             &cred2,
 134                             NULL,
 135                             NULL,
 136                             NULL);
 137
 138     if (maj_stat != GSS_S_COMPLETE)
 139         gss_err(1, min_stat, "add_cred %d != GSS_S_COMPLETE", (int)maj_stat);
 140
 141     maj_stat = gss_release_cred(&min_stat, &cred);
 142     if (maj_stat != GSS_S_COMPLETE)
 143         gss_err(1, min_stat, "release %d != GSS_S_COMPLETE", (int)maj_stat);
 144
 145     maj_stat = gss_add_cred(&min_stat,
 146                             cred2,
 147                             GSS_C_NO_NAME,
 148                             GSS_KRB5_MECHANISM,
 149                             GSS_C_BOTH,
 150                             GSS_C_INDEFINITE,
 151                             GSS_C_INDEFINITE,
 152                             &cred3,
 153                             NULL,
 154                             NULL,
 155                             NULL);
 156
 157     maj_stat = gss_release_cred(&min_stat, &cred2);
 158     if (maj_stat != GSS_S_COMPLETE)
 159         gss_err(1, min_stat, "release 2 %d != GSS_S_COMPLETE", (int)maj_stat);
 160
 161     maj_stat = gss_release_cred(&min_stat, &cred3);
 162     if (maj_stat != GSS_S_COMPLETE)
 163         gss_err(1, min_stat, "release 2 %d != GSS_S_COMPLETE", (int)maj_stat);
 164 }
 165
 166 static int version_flag = 0;
 167 static int help_flag    = 0;
 168
 169 static struct getargs args[] = {
 170     {"version", 0,      arg_flag,       &version_flag, "print version", NULL },
 171     {"help",    0,      arg_flag,       &help_flag,  NULL, NULL }
 172 };
 173
 174 static void
 175 usage (int ret)
 176 {
 177     arg_printusage (args, sizeof(args)/sizeof(*args),
 178                     NULL, "service@host");
 179     exit (ret);
 180 }
 181
 182
 183 int
 184 main(int argc, char **argv)
 185 {
 186     struct gss_buffer_desc_struct name_buffer;
 187     OM_uint32 maj_stat, min_stat;
 188     gss_name_t name;
 189     int optidx = 0;
 190
 191     setprogname(argv[0]);
 192     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 193         usage(1);
 194
 195     if (help_flag)
 196         usage (0);
 197
 198     if(version_flag){
 199         print_version(NULL);
 200         exit(0);
 201     }
 202
 203     argc -= optidx;
 204     argv += optidx;
 205
 206     if (argc < 1)
 207         errx(1, "argc < 1");
 208
 209     name_buffer.value = argv[0];
 210     name_buffer.length = strlen(argv[0]);
 211
 212     maj_stat = gss_import_name(&min_stat, &name_buffer,
 213                                GSS_C_NT_HOSTBASED_SERVICE,
 214                                &name);
 215     if (maj_stat != GSS_S_COMPLETE)
 216         errx(1, "import name error");
 217
 218     acquire_release_loop(name, 100, GSS_C_ACCEPT);
 219     acquire_release_loop(name, 100, GSS_C_INITIATE);
 220     acquire_release_loop(name, 100, GSS_C_BOTH);
 221
 222     acquire_add_release_add(name, GSS_C_ACCEPT);
 223     acquire_add_release_add(name, GSS_C_INITIATE);
 224     acquire_add_release_add(name, GSS_C_BOTH);
 225
 226     gss_release_name(&min_stat, &name);
 227
 228     return 0;
 229 }