lib/gssapi/test_names.c

   1 /*
   2  * Copyright (c) 2006 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 <gssapi_krb5.h>
  44 #include <gssapi_spnego.h>
  45 #include <err.h>
  46 #include <roken.h>
  47 #include <getarg.h>
  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", (int)status_string.length,
  66                                         (char *)status_string.value);
  67             gss_release_buffer (&new_stat, &status_string);
  68         }
  69     } while (!GSS_ERROR(ret) && msg_ctx != 0);
  70 }
  71
  72 static void
  73 gss_err(int exitval, int status, const char *fmt, ...)
  74 {
  75     va_list args;
  76
  77     va_start(args, fmt);
  78     vwarnx (fmt, args);
  79     gss_print_errors (status);
  80     va_end(args);
  81     exit (exitval);
  82 }
  83
  84 static int version_flag = 0;
  85 static int help_flag    = 0;
  86
  87 static struct getargs args[] = {
  88     {"version", 0,      arg_flag,       &version_flag, "print version", NULL },
  89     {"help",    0,      arg_flag,       &help_flag,  NULL, NULL }
  90 };
  91
  92 static void
  93 usage (int ret)
  94 {
  95     arg_printusage (args, sizeof(args)/sizeof(*args),
  96                     NULL, "service@host");
  97     exit (ret);
  98 }
  99
 100
 101 int
 102 main(int argc, char **argv)
 103 {
 104     gss_buffer_desc name_buffer;
 105     OM_uint32 maj_stat, min_stat;
 106     gss_name_t name, MNname, MNname2;
 107     int optidx = 0;
 108     char *str;
 109     int len, equal;
 110
 111     setprogname(argv[0]);
 112     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
 113         usage(1);
 114
 115     if (help_flag)
 116         usage (0);
 117
 118     if(version_flag){
 119         print_version(NULL);
 120         exit(0);
 121     }
 122
 123     argc -= optidx;
 124     argv += optidx;
 125
 126     gsskrb5_set_default_realm("MIT.EDU");
 127
 128     /*
 129      * test import/export
 130      */
 131
 132     len = asprintf(&str, "ftp@freeze-arrow.mit.edu");
 133     if (len == -1)
 134         errx(1, "asprintf");
 135
 136     name_buffer.value = str;
 137     name_buffer.length = len;
 138
 139     maj_stat = gss_import_name(&min_stat, &name_buffer,
 140                                GSS_C_NT_HOSTBASED_SERVICE,
 141                                &name);
 142     if (maj_stat != GSS_S_COMPLETE)
 143         gss_err(1, min_stat, "import name error");
 144     free(str);
 145
 146     maj_stat = gss_canonicalize_name (&min_stat,
 147                                       name,
 148                                       GSS_KRB5_MECHANISM,
 149                                       &MNname);
 150     if (maj_stat != GSS_S_COMPLETE)
 151         gss_err(1, min_stat, "canonicalize name error");
 152
 153     maj_stat = gss_export_name(&min_stat,
 154                                MNname,
 155                                &name_buffer);
 156     if (maj_stat != GSS_S_COMPLETE)
 157         gss_err(1, min_stat, "export name error (KRB5)");
 158
 159     /*
 160      * Import the exported name and compare
 161      */
 162
 163     maj_stat = gss_import_name(&min_stat, &name_buffer,
 164                                GSS_C_NT_EXPORT_NAME,
 165                                &MNname2);
 166     if (maj_stat != GSS_S_COMPLETE)
 167         gss_err(1, min_stat, "import name error (exported KRB5 name)");
 168
 169
 170     maj_stat = gss_compare_name(&min_stat, MNname, MNname2, &equal);
 171     if (maj_stat != GSS_S_COMPLETE)
 172         errx(1, "gss_compare_name");
 173     if (!equal)
 174         errx(1, "names not equal");
 175
 176     gss_release_name(&min_stat, &MNname2);
 177     gss_release_buffer(&min_stat, &name_buffer);
 178     gss_release_name(&min_stat, &MNname);
 179     gss_release_name(&min_stat, &name);
 180
 181     /*
 182      * Import oid less name and compare to mech name.
 183      * Dovecot SASL lib does this.
 184      */
 185
 186     len = asprintf(&str, "lha");
 187     if (len == -1)
 188         errx(1, "asprintf");
 189
 190     name_buffer.value = str;
 191     name_buffer.length = len;
 192
 193     maj_stat = gss_import_name(&min_stat, &name_buffer,
 194                                GSS_C_NO_OID,
 195                                &name);
 196     if (maj_stat != GSS_S_COMPLETE)
 197         gss_err(1, min_stat, "import (no oid) name error");
 198
 199     maj_stat = gss_import_name(&min_stat, &name_buffer,
 200                                GSS_KRB5_NT_USER_NAME,
 201                                &MNname);
 202     if (maj_stat != GSS_S_COMPLETE)
 203         gss_err(1, min_stat, "import (krb5 mn) name error");
 204
 205     free(str);
 206
 207     maj_stat = gss_compare_name(&min_stat, name, MNname, &equal);
 208     if (maj_stat != GSS_S_COMPLETE)
 209         errx(1, "gss_compare_name");
 210     if (!equal)
 211         errx(1, "names not equal");
 212
 213     gss_release_name(&min_stat, &MNname);
 214     gss_release_name(&min_stat, &name);
 215
 216 #if 0
 217     maj_stat = gss_canonicalize_name (&min_stat,
 218                                       name,
 219                                       GSS_SPNEGO_MECHANISM,
 220                                       &MNname);
 221     if (maj_stat != GSS_S_COMPLETE)
 222         gss_err(1, min_stat, "canonicalize name error");
 223
 224
 225     maj_stat = gss_export_name(&maj_stat,
 226                                MNname,
 227                                &name_buffer);
 228     if (maj_stat != GSS_S_COMPLETE)
 229         gss_err(1, min_stat, "export name error (SPNEGO)");
 230
 231     gss_release_name(&min_stat, &MNname);
 232     gss_release_buffer(&min_stat, &name_buffer);
 233 #endif
 234
 235     return 0;
 236 }