lib/gssapi/krb5/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 #include "gsskrb5_locl.h"
  35 #include <err.h>
  36 #include <getarg.h>
  37
  38 static void
  39 gss_print_errors (int min_stat)
  40 {
  41     OM_uint32 new_stat;
  42     OM_uint32 msg_ctx = 0;
  43     gss_buffer_desc status_string;
  44     OM_uint32 ret;
  45
  46     do {
  47         ret = gss_display_status (&new_stat,
  48                                   min_stat,
  49                                   GSS_C_MECH_CODE,
  50                                   GSS_C_NO_OID,
  51                                   &msg_ctx,
  52                                   &status_string);
  53         fprintf (stderr, "%.*s\n", (int)status_string.length,
  54                                 (char *)status_string.value);
  55         gss_release_buffer (&new_stat, &status_string);
  56     } while (!GSS_ERROR(ret) && msg_ctx != 0);
  57 }
  58
  59 static void
  60 gss_err(int exitval, int status, const char *fmt, ...)
  61 {
  62     va_list args;
  63
  64     va_start(args, fmt);
  65     vwarnx (fmt, args);
  66     gss_print_errors (status);
  67     va_end(args);
  68     exit (exitval);
  69 }
  70
  71 static void
  72 acquire_release_loop(gss_name_t name, int counter, gss_cred_usage_t usage)
  73 {
  74     OM_uint32 maj_stat, min_stat;
  75     gss_cred_id_t cred;
  76     int i;
  77
  78     for (i = 0; i < counter; i++) {
  79         maj_stat = gss_acquire_cred(&min_stat, name,
  80                                     GSS_C_INDEFINITE,
  81                                     GSS_C_NO_OID_SET,
  82                                     usage,
  83                                     &cred,
  84                                     NULL,
  85                                     NULL);
  86         if (maj_stat != GSS_S_COMPLETE)
  87             gss_err(1, min_stat, "aquire %d %d != GSS_S_COMPLETE",
  88                     i, (int)maj_stat);
  89
  90         maj_stat = gss_release_cred(&min_stat, &cred);
  91         if (maj_stat != GSS_S_COMPLETE)
  92             gss_err(1, min_stat, "release %d %d != GSS_S_COMPLETE",
  93                     i, (int)maj_stat);
  94     }
  95 }
  96
  97
  98 static void
  99 acquire_add_release_add(gss_name_t name, gss_cred_usage_t usage)
 100 {
 101     OM_uint32 maj_stat, min_stat;
 102     gss_cred_id_t cred, cred2, cred3;
 103
 104     maj_stat = gss_acquire_cred(&min_stat, name,
 105                                 GSS_C_INDEFINITE,
 106                                 GSS_C_NO_OID_SET,
 107                                 usage,
 108                                 &cred,
 109                                 NULL,
 110                                 NULL);
 111     if (maj_stat != GSS_S_COMPLETE)
 112         gss_err(1, min_stat, "aquire %d != GSS_S_COMPLETE", (int)maj_stat);
 113
 114     maj_stat = gss_add_cred(&min_stat,
 115                             cred,
 116                             GSS_C_NO_NAME,
 117                             GSS_KRB5_MECHANISM,
 118                             usage,
 119                             GSS_C_INDEFINITE,
 120                             GSS_C_INDEFINITE,
 121                             &cred2,
 122                             NULL,
 123                             NULL,
 124                             NULL);
 125
 126     if (maj_stat != GSS_S_COMPLETE)
 127         gss_err(1, min_stat, "add_cred %d != GSS_S_COMPLETE", (int)maj_stat);
 128
 129     maj_stat = gss_release_cred(&min_stat, &cred);
 130     if (maj_stat != GSS_S_COMPLETE)
 131         gss_err(1, min_stat, "release %d != GSS_S_COMPLETE", (int)maj_stat);
 132
 133     maj_stat = gss_add_cred(&min_stat,
 134                             cred2,
 135                             GSS_C_NO_NAME,
 136                             GSS_KRB5_MECHANISM,
 137                             GSS_C_BOTH,
 138                             GSS_C_INDEFINITE,
 139                             GSS_C_INDEFINITE,
 140                             &cred3,
 141                             NULL,
 142                             NULL,
 143                             NULL);
 144
 145     maj_stat = gss_release_cred(&min_stat, &cred2);
 146     if (maj_stat != GSS_S_COMPLETE)
 147         gss_err(1, min_stat, "release 2 %d != GSS_S_COMPLETE", (int)maj_stat);
 148
 149     maj_stat = gss_release_cred(&min_stat, &cred3);
 150     if (maj_stat != GSS_S_COMPLETE)
 151         gss_err(1, min_stat, "release 2 %d != GSS_S_COMPLETE", (int)maj_stat);
 152 }
 153
 154 static int version_flag = 0;
 155 static int help_flag    = 0;
 156
 157 static struct getargs args[] = {
 158     {"version", 0,      arg_flag,       &version_flag, "print version", NULL },
 159     {"help",    0,      arg_flag,       &help_flag,  NULL, NULL }
 160 };
 161
 162 static void
 163 usage (int ret)
 164 {
 165     arg_printusage (args, sizeof(args)/sizeof(*args),
 166                     NULL, "service@host");
 167     exit (ret);
 168 }
 169
 170
 171 int
 172 main(int argc, char **argv)
 173 {
 174     struct gss_buffer_desc_struct name_buffer;
 175     OM_uint32 maj_stat, min_stat;
 176     gss_name_t name;
 177     int optidx = 0;
 178
 179     setprogname(argv[0]);
 180     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 181         usage(1);
 182
 183     if (help_flag)
 184         usage (0);
 185
 186     if(version_flag){
 187         print_version(NULL);
 188         exit(0);
 189     }
 190
 191     argc -= optidx;
 192     argv += optidx;
 193
 194     if (argc < 1)
 195         errx(1, "argc < 1");
 196
 197     name_buffer.value = argv[0];
 198     name_buffer.length = strlen(argv[0]);
 199
 200     maj_stat = gss_import_name(&min_stat, &name_buffer,
 201                                GSS_C_NT_HOSTBASED_SERVICE,
 202                                &name);
 203     if (maj_stat != GSS_S_COMPLETE)
 204         errx(1, "import name error");
 205
 206     acquire_release_loop(name, 100, GSS_C_ACCEPT);
 207     acquire_release_loop(name, 100, GSS_C_INITIATE);
 208     acquire_release_loop(name, 100, GSS_C_BOTH);
 209
 210     acquire_add_release_add(name, GSS_C_ACCEPT);
 211     acquire_add_release_add(name, GSS_C_INITIATE);
 212     acquire_add_release_add(name, GSS_C_BOTH);
 213
 214     gss_release_name(&min_stat, &name);
 215
 216     return 0;
 217 }