kdc/kdc-tester.c

   1 /*
   2  * Copyright (c) 1997-2005 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Portions Copyright (c) 2009 Apple Inc. 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 "kdc_locl.h"
  37 #include "send_to_kdc_plugin.h"
  38
  39 struct perf {
  40     unsigned long as_req;
  41     unsigned long tgs_req;
  42     struct timeval start;
  43     struct timeval stop;
  44     struct perf *next;
  45 } *ptop;
  46
  47 int detach_from_console = -1;
  48 int daemon_child = -1;
  49 int do_bonjour = -1;
  50
  51 static krb5_kdc_configuration *kdc_config;
  52 static krb5_context kdc_context;
  53
  54 static struct sockaddr_storage sa;
  55 static const char *astr = "0.0.0.0";
  56
  57 static void eval_object(heim_object_t);
  58
  59
  60 /*
  61  *
  62  */
  63
  64 static krb5_error_code
  65 plugin_init(krb5_context context, void **pctx)
  66 {
  67     *pctx = NULL;
  68     return 0;
  69 }
  70
  71 static void
  72 plugin_fini(void *ctx)
  73 {
  74 }
  75
  76 static krb5_error_code
  77 plugin_send_to_kdc(krb5_context context,
  78                    void *ctx,
  79                    krb5_krbhst_info *ho,
  80                    time_t timeout,
  81                    const krb5_data *in,
  82                    krb5_data *out)
  83 {
  84     return KRB5_PLUGIN_NO_HANDLE;
  85 }
  86
  87 static krb5_error_code
  88 plugin_send_to_realm(krb5_context context,
  89                      void *ctx,
  90                      krb5_const_realm realm,
  91                      time_t timeout,
  92                      const krb5_data *in,
  93                      krb5_data *out)
  94 {
  95     int ret;
  96
  97     krb5_kdc_update_time(NULL);
  98
  99     ret = krb5_kdc_process_request(kdc_context, kdc_config,
 100                                    in->data, in->length,
 101                                    out, NULL, astr,
 102                                    (struct sockaddr *)&sa, 0);
 103     if (ret)
 104         krb5_err(kdc_context, 1, ret, "krb5_kdc_process_request");
 105
 106     return 0;
 107 }
 108
 109 static krb5plugin_send_to_kdc_ftable send_to_kdc = {
 110     KRB5_PLUGIN_SEND_TO_KDC_VERSION_2,
 111     plugin_init,
 112     plugin_fini,
 113     plugin_send_to_kdc,
 114     plugin_send_to_realm
 115 };
 116
 117 static void
 118 perf_start(struct perf *perf)
 119 {
 120     memset(perf, 0, sizeof(*perf));
 121
 122     gettimeofday(&perf->start, NULL);
 123     perf->next = ptop;
 124     ptop = perf;
 125 }
 126
 127 static void
 128 perf_stop(struct perf *perf)
 129 {
 130     gettimeofday(&perf->stop, NULL);
 131     ptop = perf->next;
 132
 133     if (ptop) {
 134         ptop->as_req += perf->as_req;
 135         ptop->tgs_req += perf->tgs_req;
 136     }
 137
 138     timevalsub(&perf->stop, &perf->start);
 139     printf("time: %lu.%06lu\n",
 140            (unsigned long)perf->stop.tv_sec,
 141            (unsigned long)perf->stop.tv_usec);
 142
 143 #define USEC_PER_SEC 1000000
 144
 145     if (perf->as_req) {
 146         double as_ps = 0.0;
 147         as_ps = (perf->as_req * USEC_PER_SEC) / (double)((perf->stop.tv_sec * USEC_PER_SEC) + perf->stop.tv_usec);
 148         printf("as-req/s %.2lf  (total %lu requests)\n", as_ps, perf->as_req);
 149     }
 150
 151     if (perf->tgs_req) {
 152         double tgs_ps = 0.0;
 153         tgs_ps = (perf->tgs_req * USEC_PER_SEC) / (double)((perf->stop.tv_sec * USEC_PER_SEC) + perf->stop.tv_usec);
 154         printf("tgs-req/s %.2lf (total %lu requests)\n", tgs_ps, perf->tgs_req);
 155     }
 156 }
 157
 158 /*
 159  *
 160  */
 161
 162 static void
 163 eval_repeat(heim_dict_t o)
 164 {
 165     heim_object_t or = heim_dict_get_value(o, HSTR("value"));
 166     heim_number_t n = heim_dict_get_value(o, HSTR("num"));
 167     int i, num;
 168     struct perf perf;
 169
 170     perf_start(&perf);
 171
 172     heim_assert(or != NULL, "value missing");
 173     heim_assert(n != NULL, "num missing");
 174
 175     num = heim_number_get_int(n);
 176     heim_assert(num >= 0, "num >= 0");
 177
 178     for (i = 0; i < num; i++)
 179         eval_object(or);
 180
 181     perf_stop(&perf);
 182 }
 183
 184 /*
 185  *
 186  */
 187
 188 static krb5_error_code
 189 copy_keytab(krb5_context context, krb5_keytab from, krb5_keytab to)
 190 {
 191     krb5_keytab_entry entry;
 192     krb5_kt_cursor cursor;
 193     krb5_error_code ret;
 194
 195     ret = krb5_kt_start_seq_get(context, from, &cursor);
 196     if (ret)
 197         return ret;
 198     while ((ret = krb5_kt_next_entry(context, from, &entry, &cursor)) == 0){
 199         krb5_kt_add_entry(context, to, &entry);
 200         krb5_kt_free_entry(context, &entry);
 201     }
 202     (void) krb5_kt_end_seq_get(context, from, &cursor);
 203     if (ret == KRB5_KT_END)
 204         return 0;
 205     return ret;
 206 }
 207
 208 /*
 209  *
 210  */
 211
 212 static void
 213 eval_kinit(heim_dict_t o)
 214 {
 215     heim_string_t user, password, keytab, fast_armor_cc, pk_user_id, ccache;
 216     krb5_get_init_creds_opt *opt;
 217     krb5_init_creds_context ctx;
 218     krb5_principal client;
 219     krb5_keytab ktmem = NULL;
 220     krb5_ccache fast_cc = NULL;
 221     krb5_error_code ret;
 222
 223     if (ptop)
 224         ptop->as_req++;
 225
 226     user = heim_dict_get_value(o, HSTR("client"));
 227     if (user == NULL)
 228         krb5_errx(kdc_context, 1, "no client");
 229
 230     password = heim_dict_get_value(o, HSTR("password"));
 231     keytab = heim_dict_get_value(o, HSTR("keytab"));
 232     pk_user_id = heim_dict_get_value(o, HSTR("pkinit-user-cert-id"));
 233     if (password == NULL && keytab == NULL && pk_user_id == NULL)
 234         krb5_errx(kdc_context, 1, "password, keytab, nor PKINIT user cert ID");
 235
 236     ccache = heim_dict_get_value(o, HSTR("ccache"));
 237
 238     ret = krb5_parse_name(kdc_context, heim_string_get_utf8(user), &client);
 239     if (ret)
 240         krb5_err(kdc_context, 1, ret, "krb5_unparse_name");
 241
 242     /* PKINIT parts */
 243     ret = krb5_get_init_creds_opt_alloc (kdc_context, &opt);
 244     if (ret)
 245         krb5_err(kdc_context, 1, ret, "krb5_get_init_creds_opt_alloc");
 246
 247     if (pk_user_id) {
 248         heim_bool_t rsaobj = heim_dict_get_value(o, HSTR("pkinit-use-rsa"));
 249         int use_rsa = rsaobj ? heim_bool_val(rsaobj) : 0;
 250
 251         ret = krb5_get_init_creds_opt_set_pkinit(kdc_context, opt,
 252                                                  client,
 253                                                  heim_string_get_utf8(pk_user_id),
 254                                                  NULL, NULL, NULL,
 255                                                  use_rsa ? 2 : 0,
 256                                                  NULL, NULL, NULL);
 257         if (ret)
 258             krb5_err(kdc_context, 1, ret, "krb5_get_init_creds_opt_set_pkinit");
 259     }
 260
 261     ret = krb5_init_creds_init(kdc_context, client, NULL, NULL, 0, opt, &ctx);
 262     if (ret)
 263         krb5_err(kdc_context, 1, ret, "krb5_init_creds_init");
 264
 265     fast_armor_cc = heim_dict_get_value(o, HSTR("fast-armor-cc"));
 266     if (fast_armor_cc) {
 267
 268         ret = krb5_cc_resolve(kdc_context, heim_string_get_utf8(fast_armor_cc), &fast_cc);
 269         if (ret)
 270             krb5_err(kdc_context, 1, ret, "krb5_cc_resolve");
 271
 272         ret = krb5_init_creds_set_fast_ccache(kdc_context, ctx, fast_cc);
 273         if (ret)
 274             krb5_err(kdc_context, 1, ret, "krb5_init_creds_set_fast_ccache");
 275
 276         fast_cc = NULL;
 277     }
 278
 279     if (password) {
 280         ret = krb5_init_creds_set_password(kdc_context, ctx,
 281                                            heim_string_get_utf8(password));
 282         if (ret)
 283             krb5_err(kdc_context, 1, ret, "krb5_init_creds_set_password");
 284     }
 285     if (keytab) {
 286         krb5_keytab kt = NULL;
 287
 288         ret = krb5_kt_resolve(kdc_context, heim_string_get_utf8(keytab), &kt);
 289         if (ret)
 290             krb5_err(kdc_context, 1, ret, "krb5_kt_resolve");
 291
 292         ret = krb5_kt_resolve(kdc_context, "MEMORY:keytab", &ktmem);
 293         if (ret)
 294             krb5_err(kdc_context, 1, ret, "krb5_kt_resolve(MEMORY)");
 295
 296         ret = copy_keytab(kdc_context, kt, ktmem);
 297         if (ret)
 298             krb5_err(kdc_context, 1, ret, "copy_keytab");
 299
 300         krb5_kt_close(kdc_context, kt);
 301
 302         ret = krb5_init_creds_set_keytab(kdc_context, ctx, ktmem);
 303         if (ret)
 304             krb5_err(kdc_context, 1, ret, "krb5_init_creds_set_keytab");
 305     }
 306
 307     ret = krb5_init_creds_get(kdc_context, ctx);
 308     if (ret)
 309         krb5_err(kdc_context, 1, ret, "krb5_init_creds_get");
 310
 311     if (ccache) {
 312         const char *name = heim_string_get_utf8(ccache);
 313         krb5_creds cred;
 314         krb5_ccache cc;
 315
 316         ret = krb5_init_creds_get_creds(kdc_context, ctx, &cred);
 317         if (ret)
 318             krb5_err(kdc_context, 1, ret, "krb5_init_creds_get_creds");
 319
 320         ret = krb5_cc_resolve(kdc_context, name, &cc);
 321         if (ret)
 322             krb5_err(kdc_context, 1, ret, "krb5_cc_resolve");
 323
 324         krb5_init_creds_store(kdc_context, ctx, cc);
 325
 326         ret = krb5_cc_close(kdc_context, cc);
 327         if (ret)
 328             krb5_err(kdc_context, 1, ret, "krb5_cc_close");
 329
 330         krb5_free_cred_contents(kdc_context, &cred);
 331     }
 332
 333     krb5_init_creds_free(kdc_context, ctx);
 334
 335     if (ktmem)
 336         krb5_kt_close(kdc_context, ktmem);
 337     if (fast_cc)
 338         krb5_cc_close(kdc_context, fast_cc);
 339 }
 340
 341 /*
 342  *
 343  */
 344
 345 static void
 346 eval_kgetcred(heim_dict_t o)
 347 {
 348     heim_string_t server, ccache;
 349     krb5_get_creds_opt opt;
 350     heim_bool_t nostore;
 351     krb5_error_code ret;
 352     krb5_ccache cc = NULL;
 353     krb5_principal s;
 354     krb5_creds *out = NULL;
 355
 356     if (ptop)
 357         ptop->tgs_req++;
 358
 359     server = heim_dict_get_value(o, HSTR("server"));
 360     if (server == NULL)
 361         krb5_errx(kdc_context, 1, "no server");
 362
 363     ccache = heim_dict_get_value(o, HSTR("ccache"));
 364     if (ccache == NULL)
 365         krb5_errx(kdc_context, 1, "no ccache");
 366
 367     nostore = heim_dict_get_value(o, HSTR("nostore"));
 368     if (nostore == NULL)
 369         nostore = heim_bool_create(1);
 370
 371     ret = krb5_cc_resolve(kdc_context, heim_string_get_utf8(ccache), &cc);
 372     if (ret)
 373         krb5_err(kdc_context, 1, ret, "krb5_cc_resolve");
 374
 375     ret = krb5_parse_name(kdc_context, heim_string_get_utf8(server), &s);
 376     if (ret)
 377         krb5_err(kdc_context, 1, ret, "krb5_parse_name");
 378
 379     ret = krb5_get_creds_opt_alloc(kdc_context, &opt);
 380     if (ret)
 381         krb5_err(kdc_context, 1, ret, "krb5_get_creds_opt_alloc");
 382
 383     if (heim_bool_val(nostore))
 384         krb5_get_creds_opt_add_options(kdc_context, opt, KRB5_GC_NO_STORE);
 385
 386     ret = krb5_get_creds(kdc_context, opt, cc, s, &out);
 387     if (ret)
 388         krb5_err(kdc_context, 1, ret, "krb5_get_creds");
 389
 390     krb5_free_creds(kdc_context, out);
 391     krb5_free_principal(kdc_context, s);
 392     krb5_get_creds_opt_free(kdc_context, opt);
 393     krb5_cc_close(kdc_context, cc);
 394 }
 395
 396
 397 /*
 398  *
 399  */
 400
 401 static void
 402 eval_kdestroy(heim_dict_t o)
 403 {
 404     heim_string_t ccache = heim_dict_get_value(o, HSTR("ccache"));;
 405     krb5_error_code ret;
 406     const char *name;
 407     krb5_ccache cc;
 408
 409     heim_assert(ccache != NULL, "ccache_missing");
 410
 411     name = heim_string_get_utf8(ccache);
 412
 413     ret = krb5_cc_resolve(kdc_context, name, &cc);
 414     if (ret)
 415         krb5_err(kdc_context, 1, ret, "krb5_cc_resolve");
 416
 417     krb5_cc_destroy(kdc_context, cc);
 418 }
 419
 420
 421 /*
 422  *
 423  */
 424
 425 static void
 426 eval_array_element(heim_object_t o, void *ptr, int *stop)
 427 {
 428     eval_object(o);
 429 }
 430
 431 static void
 432 eval_object(heim_object_t o)
 433 {
 434     heim_tid_t t = heim_get_tid(o);
 435
 436     if (t == heim_array_get_type_id()) {
 437         heim_array_iterate_f(o, NULL, eval_array_element);
 438     } else if (t == heim_dict_get_type_id()) {
 439         const char *op = heim_dict_get_value(o, HSTR("op"));
 440
 441         heim_assert(op != NULL, "op missing");
 442
 443         if (strcmp(op, "repeat") == 0) {
 444             eval_repeat(o);
 445         } else if (strcmp(op, "kinit") == 0) {
 446             eval_kinit(o);
 447         } else if (strcmp(op, "kgetcred") == 0) {
 448             eval_kgetcred(o);
 449         } else if (strcmp(op, "kdestroy") == 0) {
 450             eval_kdestroy(o);
 451         } else {
 452             errx(1, "unsupported ops %s", op);
 453         }
 454
 455     } else
 456         errx(1, "unsupported");
 457 }
 458
 459
 460 int
 461 main(int argc, char **argv)
 462 {
 463     krb5_error_code ret;
 464     int optidx = 0;
 465
 466     setprogname(argv[0]);
 467
 468     ret = krb5_init_context(&kdc_context);
 469     if (ret == KRB5_CONFIG_BADFORMAT)
 470         errx (1, "krb5_init_context failed to parse configuration file");
 471     else if (ret)
 472         errx (1, "krb5_init_context failed: %d", ret);
 473
 474     ret = krb5_kt_register(kdc_context, &hdb_get_kt_ops);
 475     if (ret)
 476         errx (1, "krb5_kt_register(HDB) failed: %d", ret);
 477
 478     kdc_config = configure(kdc_context, argc, argv, &optidx);
 479
 480     argc -= optidx;
 481     argv += optidx;
 482
 483     if (argc == 0)
 484         errx(1, "missing operations");
 485
 486     krb5_plugin_register(kdc_context, PLUGIN_TYPE_DATA,
 487                          KRB5_PLUGIN_SEND_TO_KDC, &send_to_kdc);
 488
 489     {
 490         void *buf;
 491         size_t size;
 492         heim_object_t o;
 493
 494         if (rk_undumpdata(argv[0], &buf, &size))
 495             errx(1, "undumpdata: %s", argv[0]);
 496
 497         o = heim_json_create_with_bytes(buf, size, 10, 0, NULL);
 498         free(buf);
 499         if (o == NULL)
 500             errx(1, "heim_json");
 501
 502         /*
 503          * do the work here
 504          */
 505
 506         eval_object(o);
 507
 508         heim_release(o);
 509     }
 510
 511     krb5_free_context(kdc_context);
 512     return 0;
 513 }