crypto/external/bsd/heimdal/dist/lib/krb5/test_pac.c

   1 /*      $NetBSD: test_pac.c,v 1.1.1.2 2014/04/24 12:45:51 pettai Exp $  */
   2
   3 /*
   4  * Copyright (c) 2006 Kungliga Tekniska Högskolan
   5  * (Royal Institute of Technology, Stockholm, Sweden).
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * 3. Neither the name of the Institute nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "krb5_locl.h"
  37
  38 /*
  39  * This PAC and keys are copied (with permission) from Samba torture
  40  * regression test suite, they where created by Andrew Bartlet.
  41  */
  42
  43 static const unsigned char saved_pac[] = {
  44         0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd8, 0x01, 0x00, 0x00,
  45         0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00,
  46         0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
  47         0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
  48         0x58, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x10, 0x08, 0x00, 0xcc, 0xcc, 0xcc, 0xcc,
  49         0xc8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x30, 0xdf, 0xa6, 0xcb,
  50         0x4f, 0x7d, 0xc5, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff,
  51         0xff, 0xff, 0xff, 0x7f, 0xc0, 0x3c, 0x4e, 0x59, 0x62, 0x73, 0xc5, 0x01, 0xc0, 0x3c, 0x4e, 0x59,
  52         0x62, 0x73, 0xc5, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x16, 0x00, 0x16, 0x00,
  53         0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
  54         0x0c, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
  55         0x14, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x02, 0x00, 0x65, 0x00, 0x00, 0x00,
  56         0xed, 0x03, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x02, 0x00,
  57         0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  58         0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x16, 0x00, 0x20, 0x00, 0x02, 0x00, 0x16, 0x00, 0x18, 0x00,
  59         0x24, 0x00, 0x02, 0x00, 0x28, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  60         0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  61         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  62         0x01, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  63         0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00,
  64         0x57, 0x00, 0x32, 0x00, 0x30, 0x00, 0x30, 0x00, 0x33, 0x00, 0x46, 0x00, 0x49, 0x00, 0x4e, 0x00,
  65         0x41, 0x00, 0x4c, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  66         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  67         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  68         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  69         0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
  70         0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x57, 0x00, 0x32, 0x00,
  71         0x30, 0x00, 0x30, 0x00, 0x33, 0x00, 0x46, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x41, 0x00, 0x4c, 0x00,
  72         0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x57, 0x00, 0x49, 0x00,
  73         0x4e, 0x00, 0x32, 0x00, 0x4b, 0x00, 0x33, 0x00, 0x54, 0x00, 0x48, 0x00, 0x49, 0x00, 0x4e, 0x00,
  74         0x4b, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05,
  75         0x15, 0x00, 0x00, 0x00, 0x11, 0x2f, 0xaf, 0xb5, 0x90, 0x04, 0x1b, 0xec, 0x50, 0x3b, 0xec, 0xdc,
  76         0x01, 0x00, 0x00, 0x00, 0x30, 0x00, 0x02, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
  77         0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  78         0x80, 0x66, 0x28, 0xea, 0x37, 0x80, 0xc5, 0x01, 0x16, 0x00, 0x77, 0x00, 0x32, 0x00, 0x30, 0x00,
  79         0x30, 0x00, 0x33, 0x00, 0x66, 0x00, 0x69, 0x00, 0x6e, 0x00, 0x61, 0x00, 0x6c, 0x00, 0x24, 0x00,
  80         0x76, 0xff, 0xff, 0xff, 0x37, 0xd5, 0xb0, 0xf7, 0x24, 0xf0, 0xd6, 0xd4, 0xec, 0x09, 0x86, 0x5a,
  81         0xa0, 0xe8, 0xc3, 0xa9, 0x00, 0x00, 0x00, 0x00, 0x76, 0xff, 0xff, 0xff, 0xb4, 0xd8, 0xb8, 0xfe,
  82         0x83, 0xb3, 0x13, 0x3f, 0xfc, 0x5c, 0x41, 0xad, 0xe2, 0x64, 0x83, 0xe0, 0x00, 0x00, 0x00, 0x00
  83 };
  84
  85 static int type_1_length = 472;
  86
  87 static const krb5_keyblock kdc_keyblock = {
  88     ETYPE_ARCFOUR_HMAC_MD5,
  89     { 16, "\xB2\x86\x75\x71\x48\xAF\x7F\xD2\x52\xC5\x36\x03\xA1\x50\xB7\xE7" }
  90 };
  91
  92 static const krb5_keyblock member_keyblock = {
  93     ETYPE_ARCFOUR_HMAC_MD5,
  94     { 16, "\xD2\x17\xFA\xEA\xE5\xE6\xB5\xF9\x5C\xCC\x94\x07\x7A\xB8\xA5\xFC" }
  95 };
  96
  97 static time_t authtime = 1120440609;
  98 static const char *user = "w2003final$";
  99
 100 /*
 101  * This pac from Christan Krause
 102  */
 103
 104 static const unsigned char saved_pac2[] =
 105     "\x05\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\xc8\x01\x00\x00"
 106     "\x58\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x18\x00\x00\x00"
 107     "\x20\x02\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x70\x00\x00\x00"
 108     "\x38\x02\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x14\x00\x00\x00"
 109     "\xa8\x02\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x14\x00\x00\x00"
 110     "\xc0\x02\x00\x00\x00\x00\x00\x00\x01\x10\x08\x00\xcc\xcc\xcc\xcc"
 111     "\xb8\x01\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x7d\xee\x09\x76"
 112     "\xf2\x39\xc9\x01\xff\xff\xff\xff\xff\xff\xff\x7f\xff\xff\xff\xff"
 113     "\xff\xff\xff\x7f\x6d\x49\x38\x62\xf2\x39\xc9\x01\x6d\x09\xa2\x8c"
 114     "\xbb\x3a\xc9\x01\xff\xff\xff\xff\xff\xff\xff\x7f\x0e\x00\x0e\x00"
 115     "\x04\x00\x02\x00\x10\x00\x10\x00\x08\x00\x02\x00\x00\x00\x00\x00"
 116     "\x0c\x00\x02\x00\x00\x00\x00\x00\x10\x00\x02\x00\x00\x00\x00\x00"
 117     "\x14\x00\x02\x00\x00\x00\x00\x00\x18\x00\x02\x00\x02\x01\x00\x00"
 118     "\x52\x04\x00\x00\x01\x02\x00\x00\x03\x00\x00\x00\x1c\x00\x02\x00"
 119     "\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
 120     "\x00\x00\x00\x00\x10\x00\x12\x00\x20\x00\x02\x00\x0e\x00\x10\x00"
 121     "\x24\x00\x02\x00\x28\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00"
 122     "\x10\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
 123     "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
 124     "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
 125     "\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00"
 126     "\x6f\x00\x70\x00\x65\x00\x6e\x00\x6d\x00\x73\x00\x70\x00\x00\x00"
 127     "\x08\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x6f\x00\x70\x00"
 128     "\x65\x00\x6e\x00\x20\x00\x6d\x00\x73\x00\x70\x00\x00\x00\x00\x00"
 129     "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
 130     "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
 131     "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00"
 132     "\x60\x04\x00\x00\x07\x00\x00\x00\x01\x02\x00\x00\x07\x00\x00\x00"
 133     "\x5e\x04\x00\x00\x07\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00"
 134     "\x08\x00\x00\x00\x43\x00\x48\x00\x4b\x00\x52\x00\x2d\x00\x41\x00"
 135     "\x44\x00\x53\x00\x08\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00"
 136     "\x4d\x00\x53\x00\x50\x00\x2d\x00\x41\x00\x44\x00\x53\x00\x00\x00"
 137     "\x04\x00\x00\x00\x01\x04\x00\x00\x00\x00\x00\x05\x15\x00\x00\x00"
 138     "\x91\xad\xdc\x4c\x63\xb8\xb5\x48\xd5\x53\xd2\xd1\x00\x00\x00\x00"
 139     "\x00\x66\xeb\x75\xf2\x39\xc9\x01\x0e\x00\x6f\x00\x70\x00\x65\x00"
 140     "\x6e\x00\x6d\x00\x73\x00\x70\x00\x38\x00\x10\x00\x28\x00\x48\x00"
 141     "\x00\x00\x00\x00\x00\x00\x00\x00\x6f\x00\x70\x00\x65\x00\x6e\x00"
 142     "\x6d\x00\x73\x00\x70\x00\x40\x00\x6d\x00\x73\x00\x70\x00\x2d\x00"
 143     "\x61\x00\x64\x00\x73\x00\x2e\x00\x70\x00\x65\x00\x70\x00\x70\x00"
 144     "\x65\x00\x72\x00\x63\x00\x6f\x00\x6e\x00\x2e\x00\x64\x00\x65\x00"
 145     "\x4d\x00\x53\x00\x50\x00\x2d\x00\x41\x00\x44\x00\x53\x00\x2e\x00"
 146     "\x50\x00\x45\x00\x50\x00\x50\x00\x45\x00\x52\x00\x43\x00\x4f\x00"
 147     "\x4e\x00\x2e\x00\x44\x00\x45\x00\x76\xff\xff\xff\xb3\x56\x15\x29"
 148     "\x37\xc6\x5c\xf7\x97\x35\xfa\xec\x59\xe8\x96\xa0\x00\x00\x00\x00"
 149     "\x76\xff\xff\xff\x50\x71\xa2\xb1\xa3\x64\x82\x5c\xfd\x23\xea\x3b"
 150     "\xb0\x19\x12\xd4\x00\x00\x00\x00";
 151
 152
 153 static const krb5_keyblock member_keyblock2 = {
 154     ETYPE_DES_CBC_MD5,
 155     { 8, "\x9e\x37\x83\x25\x4a\x7f\xf2\xf8" }
 156 };
 157
 158 static time_t authtime2 = 1225304188;
 159 static const char *user2 = "openmsp";
 160
 161
 162
 163 int
 164 main(int argc, char **argv)
 165 {
 166     krb5_error_code ret;
 167     krb5_context context;
 168     krb5_pac pac;
 169     krb5_data data;
 170     krb5_principal p, p2;
 171
 172     ret = krb5_init_context(&context);
 173     if (ret)
 174         errx(1, "krb5_init_contex");
 175
 176     krb5_enctype_enable(context, ETYPE_DES_CBC_MD5);
 177
 178     ret = krb5_parse_name_flags(context, user,
 179                                 KRB5_PRINCIPAL_PARSE_NO_REALM, &p);
 180     if (ret)
 181         krb5_err(context, 1, ret, "krb5_parse_name");
 182
 183     ret = krb5_pac_parse(context, saved_pac, sizeof(saved_pac), &pac);
 184     if (ret)
 185         krb5_err(context, 1, ret, "krb5_pac_parse");
 186
 187     ret = krb5_pac_verify(context, pac, authtime, p,
 188                            &member_keyblock, &kdc_keyblock);
 189     if (ret)
 190         krb5_err(context, 1, ret, "krb5_pac_verify");
 191
 192     ret = _krb5_pac_sign(context, pac, authtime, p,
 193                          &member_keyblock, &kdc_keyblock, &data);
 194     if (ret)
 195         krb5_err(context, 1, ret, "_krb5_pac_sign");
 196
 197     krb5_pac_free(context, pac);
 198
 199     ret = krb5_pac_parse(context, data.data, data.length, &pac);
 200     krb5_data_free(&data);
 201     if (ret)
 202         krb5_err(context, 1, ret, "krb5_pac_parse 2");
 203
 204     ret = krb5_pac_verify(context, pac, authtime, p,
 205                            &member_keyblock, &kdc_keyblock);
 206     if (ret)
 207         krb5_err(context, 1, ret, "krb5_pac_verify 2");
 208
 209     /* make a copy and try to reproduce it */
 210     {
 211         uint32_t *list;
 212         size_t len, i;
 213         krb5_pac pac2;
 214
 215         ret = krb5_pac_init(context, &pac2);
 216         if (ret)
 217             krb5_err(context, 1, ret, "krb5_pac_init");
 218
 219         /* our two user buffer plus the three "system" buffers */
 220         ret = krb5_pac_get_types(context, pac, &len, &list);
 221         if (ret)
 222             krb5_err(context, 1, ret, "krb5_pac_get_types");
 223
 224         for (i = 0; i < len; i++) {
 225             /* skip server_cksum, privsvr_cksum, and logon_name */
 226             if (list[i] == 6 || list[i] == 7 || list[i] == 10)
 227                 continue;
 228
 229             ret = krb5_pac_get_buffer(context, pac, list[i], &data);
 230             if (ret)
 231                 krb5_err(context, 1, ret, "krb5_pac_get_buffer");
 232
 233             if (list[i] == 1) {
 234                 if (type_1_length != data.length)
 235                     krb5_errx(context, 1, "type 1 have wrong length: %lu",
 236                               (unsigned long)data.length);
 237             } else
 238                 krb5_errx(context, 1, "unknown type %lu",
 239                           (unsigned long)list[i]);
 240
 241             ret = krb5_pac_add_buffer(context, pac2, list[i], &data);
 242             if (ret)
 243                 krb5_err(context, 1, ret, "krb5_pac_add_buffer");
 244             krb5_data_free(&data);
 245         }
 246         free(list);
 247
 248         ret = _krb5_pac_sign(context, pac2, authtime, p,
 249                              &member_keyblock, &kdc_keyblock, &data);
 250         if (ret)
 251             krb5_err(context, 1, ret, "_krb5_pac_sign 4");
 252
 253         krb5_pac_free(context, pac2);
 254
 255         ret = krb5_pac_parse(context, data.data, data.length, &pac2);
 256         krb5_data_free(&data);
 257         if (ret)
 258             krb5_err(context, 1, ret, "krb5_pac_parse 4");
 259
 260         ret = krb5_pac_verify(context, pac2, authtime, p,
 261                               &member_keyblock, &kdc_keyblock);
 262         if (ret)
 263             krb5_err(context, 1, ret, "krb5_pac_verify 4");
 264
 265         krb5_pac_free(context, pac2);
 266     }
 267
 268     krb5_pac_free(context, pac);
 269
 270     /*
 271      * check pac from Christian
 272      */
 273
 274     ret = krb5_parse_name_flags(context, user2,
 275                                 KRB5_PRINCIPAL_PARSE_NO_REALM, &p2);
 276     if (ret)
 277         krb5_err(context, 1, ret, "krb5_parse_name");
 278
 279     ret = krb5_pac_parse(context, saved_pac2, sizeof(saved_pac2) -1, &pac);
 280     if (ret)
 281         krb5_err(context, 1, ret, "krb5_pac_parse");
 282
 283     ret = krb5_pac_verify(context, pac, authtime2, p2,
 284                            &member_keyblock2, NULL);
 285     if (ret)
 286         krb5_err(context, 1, ret, "krb5_pac_verify c1");
 287
 288     krb5_pac_free(context, pac);
 289     krb5_free_principal(context, p2);
 290
 291     /*
 292      * Test empty free
 293      */
 294
 295     ret = krb5_pac_init(context, &pac);
 296     if (ret)
 297         krb5_err(context, 1, ret, "krb5_pac_init");
 298     krb5_pac_free(context, pac);
 299
 300     /*
 301      * Test add remove buffer
 302      */
 303
 304     ret = krb5_pac_init(context, &pac);
 305     if (ret)
 306         krb5_err(context, 1, ret, "krb5_pac_init");
 307
 308     {
 309         const krb5_data cdata = { 2, "\x00\x01" } ;
 310
 311         ret = krb5_pac_add_buffer(context, pac, 1, &cdata);
 312         if (ret)
 313             krb5_err(context, 1, ret, "krb5_pac_add_buffer");
 314     }
 315     {
 316         ret = krb5_pac_get_buffer(context, pac, 1, &data);
 317         if (ret)
 318             krb5_err(context, 1, ret, "krb5_pac_get_buffer");
 319         if (data.length != 2 || memcmp(data.data, "\x00\x01", 2) != 0)
 320             krb5_errx(context, 1, "krb5_pac_get_buffer data not the same");
 321         krb5_data_free(&data);
 322     }
 323
 324     {
 325         const krb5_data cdata = { 2, "\x02\x00" } ;
 326
 327         ret = krb5_pac_add_buffer(context, pac, 2, &cdata);
 328         if (ret)
 329             krb5_err(context, 1, ret, "krb5_pac_add_buffer");
 330     }
 331     {
 332         ret = krb5_pac_get_buffer(context, pac, 1, &data);
 333         if (ret)
 334             krb5_err(context, 1, ret, "krb5_pac_get_buffer");
 335         if (data.length != 2 || memcmp(data.data, "\x00\x01", 2) != 0)
 336             krb5_errx(context, 1, "krb5_pac_get_buffer data not the same");
 337         krb5_data_free(&data);
 338         /* */
 339         ret = krb5_pac_get_buffer(context, pac, 2, &data);
 340         if (ret)
 341             krb5_err(context, 1, ret, "krb5_pac_get_buffer");
 342         if (data.length != 2 || memcmp(data.data, "\x02\x00", 2) != 0)
 343             krb5_errx(context, 1, "krb5_pac_get_buffer data not the same");
 344         krb5_data_free(&data);
 345     }
 346
 347     ret = _krb5_pac_sign(context, pac, authtime, p,
 348                          &member_keyblock, &kdc_keyblock, &data);
 349     if (ret)
 350         krb5_err(context, 1, ret, "_krb5_pac_sign");
 351
 352     krb5_pac_free(context, pac);
 353
 354     ret = krb5_pac_parse(context, data.data, data.length, &pac);
 355     krb5_data_free(&data);
 356     if (ret)
 357         krb5_err(context, 1, ret, "krb5_pac_parse 3");
 358
 359     ret = krb5_pac_verify(context, pac, authtime, p,
 360                            &member_keyblock, &kdc_keyblock);
 361     if (ret)
 362         krb5_err(context, 1, ret, "krb5_pac_verify 3");
 363
 364     {
 365         uint32_t *list;
 366         size_t len;
 367
 368         /* our two user buffer plus the three "system" buffers */
 369         ret = krb5_pac_get_types(context, pac, &len, &list);
 370         if (ret)
 371             krb5_err(context, 1, ret, "krb5_pac_get_types");
 372         if (len != 5)
 373             krb5_errx(context, 1, "list wrong length");
 374         free(list);
 375     }
 376
 377     krb5_pac_free(context, pac);
 378
 379     krb5_free_principal(context, p);
 380     krb5_free_context(context);
 381
 382     return 0;
 383 }