test/cmp_vfy_test.c

   1 /*
   2  * Copyright 2007-2022 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright Nokia 2007-2019
   4  * Copyright Siemens AG 2015-2019
   5  *
   6  * Licensed under the Apache License 2.0 (the "License").  You may not use
   7  * this file except in compliance with the License.  You can obtain a copy
   8  * in the file LICENSE in the source distribution or at
   9  * https://www.openssl.org/source/license.html
  10  */
  11
  12 #include "helpers/cmp_testlib.h"
  13 #include "../crypto/crmf/crmf_local.h" /* for manipulating POPO signature */
  14
  15 static const char *server_f;
  16 static const char *client_f;
  17 static const char *endentity1_f;
  18 static const char *endentity2_f;
  19 static const char *root_f;
  20 static const char *intermediate_f;
  21 static const char *ir_protected_f;
  22 static const char *ir_unprotected_f;
  23 static const char *ir_rmprotection_f;
  24 static const char *ip_waiting_f;
  25 static const char *instacert_f;
  26 static const char *instaca_f;
  27 static const char *ir_protected_0_extracerts;
  28 static const char *ir_protected_2_extracerts;
  29
  30 typedef struct test_fixture {
  31     const char *test_case_name;
  32     int expected;
  33     OSSL_CMP_CTX *cmp_ctx;
  34     OSSL_CMP_MSG *msg;
  35     X509 *cert;
  36     ossl_cmp_allow_unprotected_cb_t allow_unprotected_cb;
  37     int additional_arg;
  38 } CMP_VFY_TEST_FIXTURE;
  39
  40 static OSSL_LIB_CTX *libctx = NULL;
  41 static OSSL_PROVIDER *default_null_provider = NULL, *provider = NULL;
  42
  43 static void tear_down(CMP_VFY_TEST_FIXTURE *fixture)
  44 {
  45     OSSL_CMP_MSG_free(fixture->msg);
  46     OSSL_CMP_CTX_free(fixture->cmp_ctx);
  47     OPENSSL_free(fixture);
  48 }
  49
  50 static time_t test_time_valid = 0, test_time_after_expiration = 0;
  51
  52 static CMP_VFY_TEST_FIXTURE *set_up(const char *const test_case_name)
  53 {
  54     X509_STORE *ts;
  55     CMP_VFY_TEST_FIXTURE *fixture;
  56
  57     if (!TEST_ptr(fixture = OPENSSL_zalloc(sizeof(*fixture))))
  58         return NULL;
  59
  60     ts = X509_STORE_new();
  61     fixture->test_case_name = test_case_name;
  62     if (ts == NULL
  63             || !TEST_ptr(fixture->cmp_ctx = OSSL_CMP_CTX_new(libctx, NULL))
  64             || !OSSL_CMP_CTX_set0_trusted(fixture->cmp_ctx, ts)
  65             || !OSSL_CMP_CTX_set_log_cb(fixture->cmp_ctx, print_to_bio_out)) {
  66         tear_down(fixture);
  67         X509_STORE_free(ts);
  68         return NULL;
  69     }
  70     X509_VERIFY_PARAM_set_time(X509_STORE_get0_param(ts), test_time_valid);
  71     X509_STORE_set_verify_cb(ts, X509_STORE_CTX_print_verify_cb);
  72     return fixture;
  73 }
  74
  75 static X509 *srvcert = NULL;
  76 static X509 *clcert = NULL;
  77 /* chain */
  78 static X509 *endentity1 = NULL, *endentity2 = NULL,
  79     *intermediate = NULL, *root = NULL;
  80 /* INSTA chain */
  81 static X509 *insta_cert = NULL, *instaca_cert = NULL;
  82
  83 static unsigned char rand_data[OSSL_CMP_TRANSACTIONID_LENGTH];
  84 static OSSL_CMP_MSG *ir_unprotected, *ir_rmprotection;
  85
  86 static int flip_bit(ASN1_BIT_STRING *bitstr)
  87 {
  88     int bit_num = 7;
  89     int bit = ASN1_BIT_STRING_get_bit(bitstr, bit_num);
  90
  91     return ASN1_BIT_STRING_set_bit(bitstr, bit_num, !bit);
  92 }
  93
  94 static int execute_verify_popo_test(CMP_VFY_TEST_FIXTURE *fixture)
  95 {
  96     if ((fixture->msg = load_pkimsg(ir_protected_f, libctx)) == NULL)
  97         return 0;
  98     if (fixture->expected == 0) {
  99         const OSSL_CRMF_MSGS *reqs = fixture->msg->body->value.ir;
 100         const OSSL_CRMF_MSG *req = sk_OSSL_CRMF_MSG_value(reqs, 0);
 101
 102         if (req == NULL || !flip_bit(req->popo->value.signature->signature))
 103             return 0;
 104     }
 105     return TEST_int_eq(fixture->expected,
 106                        ossl_cmp_verify_popo(fixture->cmp_ctx, fixture->msg,
 107                                             fixture->additional_arg));
 108 }
 109
 110 static int test_verify_popo(void)
 111 {
 112     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 113     fixture->expected = 1;
 114     EXECUTE_TEST(execute_verify_popo_test, tear_down);
 115     return result;
 116 }
 117
 118 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 119 static int test_verify_popo_bad(void)
 120 {
 121     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 122     fixture->expected = 0;
 123     EXECUTE_TEST(execute_verify_popo_test, tear_down);
 124     return result;
 125 }
 126 #endif
 127
 128 /* indirectly checks also OSSL_CMP_validate_msg() */
 129 static int execute_validate_msg_test(CMP_VFY_TEST_FIXTURE *fixture)
 130 {
 131     int res = TEST_int_eq(fixture->expected,
 132                           ossl_cmp_msg_check_update(fixture->cmp_ctx,
 133                                                     fixture->msg, NULL, 0));
 134     X509 *validated = OSSL_CMP_CTX_get0_validatedSrvCert(fixture->cmp_ctx);
 135
 136     return res && (!fixture->expected || TEST_ptr_eq(validated, fixture->cert));
 137 }
 138
 139 static int execute_validate_cert_path_test(CMP_VFY_TEST_FIXTURE *fixture)
 140 {
 141     X509_STORE *ts = OSSL_CMP_CTX_get0_trusted(fixture->cmp_ctx);
 142     int res = TEST_int_eq(fixture->expected,
 143                           OSSL_CMP_validate_cert_path(fixture->cmp_ctx,
 144                                                       ts, fixture->cert));
 145
 146     OSSL_CMP_CTX_print_errors(fixture->cmp_ctx);
 147     return res;
 148 }
 149
 150 static int test_validate_msg_mac_alg_protection(void)
 151 {
 152     /* secret value belonging to cmp-test/CMP_IP_waitingStatus_PBM.der */
 153     const unsigned char sec_1[] = {
 154         '9', 'p', 'p', '8', '-', 'b', '3', '5', 'i', '-', 'X', 'd', '3',
 155         'Q', '-', 'u', 'd', 'N', 'R'
 156     };
 157
 158     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 159     fixture->cert = NULL;
 160
 161     fixture->expected = 1;
 162     if (!TEST_true(OSSL_CMP_CTX_set1_secretValue(fixture->cmp_ctx, sec_1,
 163                                                  sizeof(sec_1)))
 164             || !TEST_ptr(fixture->msg = load_pkimsg(ip_waiting_f, libctx))) {
 165         tear_down(fixture);
 166         fixture = NULL;
 167     }
 168     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 169     return result;
 170 }
 171
 172 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 173 static int test_validate_msg_mac_alg_protection_bad(void)
 174 {
 175     const unsigned char sec_bad[] = {
 176         '9', 'p', 'p', '8', '-', 'b', '3', '5', 'i', '-', 'X', 'd', '3',
 177         'Q', '-', 'u', 'd', 'N', 'r'
 178     };
 179
 180     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 181     fixture->cert = NULL;
 182     fixture->expected = 0;
 183
 184     if (!TEST_true(OSSL_CMP_CTX_set1_secretValue(fixture->cmp_ctx, sec_bad,
 185                                                  sizeof(sec_bad)))
 186             || !TEST_ptr(fixture->msg = load_pkimsg(ip_waiting_f, libctx))) {
 187         tear_down(fixture);
 188         fixture = NULL;
 189     }
 190     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 191     return result;
 192 }
 193 #endif
 194
 195 static int add_trusted(OSSL_CMP_CTX *ctx, X509 *cert)
 196 {
 197     return X509_STORE_add_cert(OSSL_CMP_CTX_get0_trusted(ctx), cert);
 198 }
 199
 200 static int add_untrusted(OSSL_CMP_CTX *ctx, X509 *cert)
 201 {
 202     return X509_add_cert(OSSL_CMP_CTX_get0_untrusted(ctx), cert,
 203                          X509_ADD_FLAG_UP_REF);
 204 }
 205
 206 static int test_validate_msg_signature_partial_chain(int expired)
 207 {
 208     X509_STORE *ts;
 209
 210     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 211     fixture->cert = srvcert;
 212
 213     ts = OSSL_CMP_CTX_get0_trusted(fixture->cmp_ctx);
 214     fixture->expected = !expired;
 215     if (ts == NULL
 216             || !TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 217             || !add_trusted(fixture->cmp_ctx, srvcert)) {
 218         tear_down(fixture);
 219         fixture = NULL;
 220     } else {
 221         X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
 222
 223         X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_PARTIAL_CHAIN);
 224         if (expired)
 225             X509_VERIFY_PARAM_set_time(vpm, test_time_after_expiration);
 226     }
 227     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 228     return result;
 229 }
 230
 231 static int test_validate_msg_signature_trusted_ok(void)
 232 {
 233     return test_validate_msg_signature_partial_chain(0);
 234 }
 235
 236 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 237 static int test_validate_msg_signature_trusted_expired(void)
 238 {
 239     return test_validate_msg_signature_partial_chain(1);
 240 }
 241 #endif
 242
 243 static int test_validate_msg_signature_srvcert_wrong(void)
 244 {
 245     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 246     fixture->expected = 0;
 247     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 248         || !TEST_true(OSSL_CMP_CTX_set1_srvCert(fixture->cmp_ctx, clcert))) {
 249         tear_down(fixture);
 250         fixture = NULL;
 251     }
 252     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 253     return result;
 254 }
 255
 256 static int test_validate_msg_signature_srvcert(int bad_sig)
 257 {
 258     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 259     fixture->cert = srvcert;
 260     fixture->expected = !bad_sig;
 261     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 262         || !TEST_true(OSSL_CMP_CTX_set1_srvCert(fixture->cmp_ctx, srvcert))
 263         || (bad_sig && !flip_bit(fixture->msg->protection))) {
 264         tear_down(fixture);
 265         fixture = NULL;
 266     }
 267     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 268     return result;
 269 }
 270
 271 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 272 static int test_validate_msg_signature_bad(void)
 273 {
 274     return test_validate_msg_signature_srvcert(1);
 275 }
 276 #endif
 277
 278 static int test_validate_msg_signature_sender_cert_srvcert(void)
 279 {
 280     return test_validate_msg_signature_srvcert(0);
 281 }
 282
 283 static int test_validate_msg_signature_sender_cert_untrusted(void)
 284 {
 285     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 286     fixture->cert = insta_cert;
 287     fixture->expected = 1;
 288     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_0_extracerts, libctx))
 289             || !add_trusted(fixture->cmp_ctx, instaca_cert)
 290             || !add_untrusted(fixture->cmp_ctx, insta_cert)) {
 291         tear_down(fixture);
 292         fixture = NULL;
 293     }
 294     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 295     return result;
 296 }
 297
 298 static int test_validate_msg_signature_sender_cert_trusted(void)
 299 {
 300     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 301     fixture->cert = insta_cert;
 302     fixture->expected = 1;
 303     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_0_extracerts, libctx))
 304             || !add_trusted(fixture->cmp_ctx, instaca_cert)
 305             || !add_trusted(fixture->cmp_ctx, insta_cert)) {
 306         tear_down(fixture);
 307         fixture = NULL;
 308     }
 309     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 310     return result;
 311 }
 312
 313 static int test_validate_msg_signature_sender_cert_extracert(void)
 314 {
 315     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 316     fixture->expected = 1;
 317     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_2_extracerts, libctx))
 318             || !add_trusted(fixture->cmp_ctx, instaca_cert)) {
 319         tear_down(fixture);
 320         fixture = NULL;
 321     }
 322     fixture->cert = sk_X509_value(fixture->msg->extraCerts, 1); /* Insta CA */
 323     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 324     return result;
 325 }
 326
 327 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 328 static int test_validate_msg_signature_sender_cert_absent(void)
 329 {
 330     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 331     fixture->expected = 0;
 332     if (!TEST_ptr(fixture->msg =
 333                   load_pkimsg(ir_protected_0_extracerts, libctx))) {
 334         tear_down(fixture);
 335         fixture = NULL;
 336     }
 337     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 338     return result;
 339 }
 340 #endif
 341
 342 static int test_validate_with_sender(const X509_NAME *name, int expected)
 343 {
 344     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 345     fixture->cert = srvcert;
 346     fixture->expected = expected;
 347     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 348         || !TEST_true(OSSL_CMP_CTX_set1_expected_sender(fixture->cmp_ctx, name))
 349         || !TEST_true(OSSL_CMP_CTX_set1_srvCert(fixture->cmp_ctx, srvcert))) {
 350         tear_down(fixture);
 351         fixture = NULL;
 352     }
 353     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 354     return result;
 355 }
 356
 357 static int test_validate_msg_signature_expected_sender(void)
 358 {
 359     return test_validate_with_sender(X509_get_subject_name(srvcert), 1);
 360 }
 361
 362 static int test_validate_msg_signature_unexpected_sender(void)
 363 {
 364     return test_validate_with_sender(X509_get_subject_name(root), 0);
 365 }
 366
 367 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 368 static int test_validate_msg_unprotected_request(void)
 369 {
 370     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 371     fixture->expected = 0;
 372     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_unprotected_f, libctx))) {
 373         tear_down(fixture);
 374         fixture = NULL;
 375     }
 376     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 377     return result;
 378 }
 379 #endif
 380
 381 static void setup_path(CMP_VFY_TEST_FIXTURE **fixture, X509 *wrong, int expired)
 382 {
 383     (*fixture)->cert = endentity2;
 384     (*fixture)->expected = wrong == NULL && !expired;
 385     if (expired) {
 386         X509_STORE *ts = OSSL_CMP_CTX_get0_trusted((*fixture)->cmp_ctx);
 387         X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
 388
 389         X509_VERIFY_PARAM_set_time(vpm, test_time_after_expiration);
 390     }
 391     if (!add_trusted((*fixture)->cmp_ctx, wrong == NULL ? root : wrong)
 392             || !add_untrusted((*fixture)->cmp_ctx, endentity1)
 393             || !add_untrusted((*fixture)->cmp_ctx, intermediate)) {
 394         tear_down((*fixture));
 395         (*fixture) = NULL;
 396     }
 397 }
 398
 399 static int test_validate_cert_path_ok(void)
 400 {
 401     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 402     setup_path(&fixture, NULL, 0);
 403     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 404     return result;
 405 }
 406
 407 static int test_validate_cert_path_wrong_anchor(void)
 408 {
 409     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 410     setup_path(&fixture, srvcert /* wrong/non-root cert */, 0);
 411     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 412     return result;
 413 }
 414
 415 static int test_validate_cert_path_expired(void)
 416 {
 417     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 418     setup_path(&fixture, NULL, 1);
 419     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 420     return result;
 421 }
 422
 423 static int execute_msg_check_test(CMP_VFY_TEST_FIXTURE *fixture)
 424 {
 425     const OSSL_CMP_PKIHEADER *hdr = OSSL_CMP_MSG_get0_header(fixture->msg);
 426     const ASN1_OCTET_STRING *tid = OSSL_CMP_HDR_get0_transactionID(hdr);
 427
 428     if (!TEST_int_eq(fixture->expected,
 429                      ossl_cmp_msg_check_update(fixture->cmp_ctx,
 430                                                fixture->msg,
 431                                                fixture->allow_unprotected_cb,
 432                                                fixture->additional_arg)))
 433         return 0;
 434
 435     if (fixture->expected == 0) /* error expected already during above check */
 436         return 1;
 437     return
 438         TEST_int_eq(0,
 439                     ASN1_OCTET_STRING_cmp(ossl_cmp_hdr_get0_senderNonce(hdr),
 440                                           fixture->cmp_ctx->recipNonce))
 441         && TEST_int_eq(0,
 442                        ASN1_OCTET_STRING_cmp(tid,
 443                                              fixture->cmp_ctx->transactionID));
 444 }
 445
 446 static int allow_unprotected(const OSSL_CMP_CTX *ctx, const OSSL_CMP_MSG *msg,
 447                              int invalid_protection, int allow)
 448 {
 449     return allow;
 450 }
 451
 452 static void setup_check_update(CMP_VFY_TEST_FIXTURE **fixture, int expected,
 453                                ossl_cmp_allow_unprotected_cb_t cb, int arg,
 454                                const unsigned char *trid_data,
 455                                const unsigned char *nonce_data)
 456 {
 457     OSSL_CMP_CTX *ctx = (*fixture)->cmp_ctx;
 458     int nonce_len = OSSL_CMP_SENDERNONCE_LENGTH;
 459
 460     (*fixture)->expected = expected;
 461     (*fixture)->allow_unprotected_cb = cb;
 462     (*fixture)->additional_arg = arg;
 463     (*fixture)->msg = OSSL_CMP_MSG_dup(ir_rmprotection);
 464     if ((*fixture)->msg == NULL
 465         || (nonce_data != NULL
 466             && !ossl_cmp_asn1_octet_string_set1_bytes(&ctx->senderNonce,
 467                                                       nonce_data, nonce_len))) {
 468         tear_down((*fixture));
 469         (*fixture) = NULL;
 470     } else if (trid_data != NULL) {
 471         ASN1_OCTET_STRING *trid = ASN1_OCTET_STRING_new();
 472
 473         if (trid == NULL
 474             || !ASN1_OCTET_STRING_set(trid, trid_data,
 475                                       OSSL_CMP_TRANSACTIONID_LENGTH)
 476             || !OSSL_CMP_CTX_set1_transactionID(ctx, trid)) {
 477             tear_down((*fixture));
 478             (*fixture) = NULL;
 479         }
 480         ASN1_OCTET_STRING_free(trid);
 481     }
 482 }
 483
 484 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 485 static int test_msg_check_no_protection_no_cb(void)
 486 {
 487     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 488     setup_check_update(&fixture, 0, NULL, 0, NULL, NULL);
 489     EXECUTE_TEST(execute_msg_check_test, tear_down);
 490     return result;
 491 }
 492
 493 static int test_msg_check_no_protection_restrictive_cb(void)
 494 {
 495     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 496     setup_check_update(&fixture, 0, allow_unprotected, 0, NULL, NULL);
 497     EXECUTE_TEST(execute_msg_check_test, tear_down);
 498     return result;
 499 }
 500 #endif
 501
 502 static int test_msg_check_no_protection_permissive_cb(void)
 503 {
 504     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 505     setup_check_update(&fixture, 1, allow_unprotected, 1, NULL, NULL);
 506     EXECUTE_TEST(execute_msg_check_test, tear_down);
 507     return result;
 508 }
 509
 510 static int test_msg_check_transaction_id(void)
 511 {
 512     /* Transaction id belonging to CMP_IR_rmprotection.der */
 513     const unsigned char trans_id[OSSL_CMP_TRANSACTIONID_LENGTH] = {
 514         0x39, 0xB6, 0x90, 0x28, 0xC4, 0xBC, 0x7A, 0xF6,
 515         0xBE, 0xC6, 0x4A, 0x88, 0x97, 0xA6, 0x95, 0x0B
 516     };
 517
 518     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 519     setup_check_update(&fixture, 1, allow_unprotected, 1, trans_id, NULL);
 520     EXECUTE_TEST(execute_msg_check_test, tear_down);
 521     return result;
 522 }
 523
 524 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 525 static int test_msg_check_transaction_id_bad(void)
 526 {
 527     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 528     setup_check_update(&fixture, 0, allow_unprotected, 1, rand_data, NULL);
 529     EXECUTE_TEST(execute_msg_check_test, tear_down);
 530     return result;
 531 }
 532 #endif
 533
 534 static int test_msg_check_recipient_nonce(void)
 535 {
 536     /* Recipient nonce belonging to CMP_IP_ir_rmprotection.der */
 537     const unsigned char rec_nonce[OSSL_CMP_SENDERNONCE_LENGTH] = {
 538         0x48, 0xF1, 0x71, 0x1F, 0xE5, 0xAF, 0x1C, 0x8B,
 539         0x21, 0x97, 0x5C, 0x84, 0x74, 0x49, 0xBA, 0x32
 540     };
 541
 542     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 543     setup_check_update(&fixture, 1, allow_unprotected, 1, NULL, rec_nonce);
 544     EXECUTE_TEST(execute_msg_check_test, tear_down);
 545     return result;
 546 }
 547
 548 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 549 static int test_msg_check_recipient_nonce_bad(void)
 550 {
 551     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 552     setup_check_update(&fixture, 0, allow_unprotected, 1, NULL, rand_data);
 553     EXECUTE_TEST(execute_msg_check_test, tear_down);
 554     return result;
 555 }
 556 #endif
 557
 558 void cleanup_tests(void)
 559 {
 560     X509_free(srvcert);
 561     X509_free(clcert);
 562     X509_free(endentity1);
 563     X509_free(endentity2);
 564     X509_free(intermediate);
 565     X509_free(root);
 566     X509_free(insta_cert);
 567     X509_free(instaca_cert);
 568     OSSL_CMP_MSG_free(ir_unprotected);
 569     OSSL_CMP_MSG_free(ir_rmprotection);
 570     OSSL_LIB_CTX_free(libctx);
 571     return;
 572 }
 573
 574 #define USAGE "server.crt client.crt " \
 575     "EndEntity1.crt EndEntity2.crt " \
 576     "Root_CA.crt Intermediate_CA.crt " \
 577     "CMP_IR_protected.der CMP_IR_unprotected.der " \
 578     "IP_waitingStatus_PBM.der IR_rmprotection.der " \
 579     "insta.cert.pem insta_ca.cert.pem " \
 580     "IR_protected_0_extraCerts.der " \
 581     "IR_protected_2_extraCerts.der module_name [module_conf_file]\n"
 582 OPT_TEST_DECLARE_USAGE(USAGE)
 583
 584 int setup_tests(void)
 585 {
 586     /* Set test time stamps */
 587     struct tm ts = { 0 };
 588
 589     ts.tm_year = 2018 - 1900;      /* 2018 */
 590     ts.tm_mon = 1;                 /* February */
 591     ts.tm_mday = 18;               /* 18th */
 592     test_time_valid = mktime(&ts); /* February 18th 2018 */
 593     ts.tm_year += 10;              /* February 18th 2028 */
 594     test_time_after_expiration = mktime(&ts);
 595
 596     if (!test_skip_common_options()) {
 597         TEST_error("Error parsing test options\n");
 598         return 0;
 599     }
 600
 601     RAND_bytes(rand_data, OSSL_CMP_TRANSACTIONID_LENGTH);
 602     if (!TEST_ptr(server_f = test_get_argument(0))
 603             || !TEST_ptr(client_f = test_get_argument(1))
 604             || !TEST_ptr(endentity1_f = test_get_argument(2))
 605             || !TEST_ptr(endentity2_f = test_get_argument(3))
 606             || !TEST_ptr(root_f = test_get_argument(4))
 607             || !TEST_ptr(intermediate_f = test_get_argument(5))
 608             || !TEST_ptr(ir_protected_f = test_get_argument(6))
 609             || !TEST_ptr(ir_unprotected_f = test_get_argument(7))
 610             || !TEST_ptr(ip_waiting_f = test_get_argument(8))
 611             || !TEST_ptr(ir_rmprotection_f = test_get_argument(9))
 612             || !TEST_ptr(instacert_f = test_get_argument(10))
 613             || !TEST_ptr(instaca_f = test_get_argument(11))
 614             || !TEST_ptr(ir_protected_0_extracerts = test_get_argument(12))
 615             || !TEST_ptr(ir_protected_2_extracerts = test_get_argument(13))) {
 616         TEST_error("usage: cmp_vfy_test %s", USAGE);
 617         return 0;
 618     }
 619
 620     if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 14, USAGE))
 621         return 0;
 622
 623     /* Load certificates for cert chain */
 624     if (!TEST_ptr(endentity1 = load_cert_pem(endentity1_f, libctx))
 625             || !TEST_ptr(endentity2 = load_cert_pem(endentity2_f, libctx))
 626             || !TEST_ptr(root = load_cert_pem(root_f, NULL))
 627             || !TEST_ptr(intermediate = load_cert_pem(intermediate_f, libctx)))
 628         goto err;
 629
 630     if (!TEST_ptr(insta_cert = load_cert_pem(instacert_f, libctx))
 631             || !TEST_ptr(instaca_cert = load_cert_pem(instaca_f, libctx)))
 632         goto err;
 633
 634     /* Load certificates for message validation */
 635     if (!TEST_ptr(srvcert = load_cert_pem(server_f, libctx))
 636             || !TEST_ptr(clcert = load_cert_pem(client_f, libctx)))
 637         goto err;
 638     if (!TEST_int_eq(1, RAND_bytes(rand_data, OSSL_CMP_TRANSACTIONID_LENGTH)))
 639         goto err;
 640     if (!TEST_ptr(ir_unprotected = load_pkimsg(ir_unprotected_f, libctx))
 641             || !TEST_ptr(ir_rmprotection = load_pkimsg(ir_rmprotection_f,
 642                                                        libctx)))
 643         goto err;
 644
 645     /* Message validation tests */
 646     ADD_TEST(test_verify_popo);
 647 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 648     ADD_TEST(test_verify_popo_bad);
 649 #endif
 650     ADD_TEST(test_validate_msg_signature_trusted_ok);
 651 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 652     ADD_TEST(test_validate_msg_signature_trusted_expired);
 653 #endif
 654     ADD_TEST(test_validate_msg_signature_srvcert_wrong);
 655 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 656     ADD_TEST(test_validate_msg_signature_bad);
 657 #endif
 658     ADD_TEST(test_validate_msg_signature_sender_cert_srvcert);
 659     ADD_TEST(test_validate_msg_signature_sender_cert_untrusted);
 660     ADD_TEST(test_validate_msg_signature_sender_cert_trusted);
 661     ADD_TEST(test_validate_msg_signature_sender_cert_extracert);
 662 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 663     ADD_TEST(test_validate_msg_signature_sender_cert_absent);
 664 #endif
 665     ADD_TEST(test_validate_msg_signature_expected_sender);
 666     ADD_TEST(test_validate_msg_signature_unexpected_sender);
 667 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 668     ADD_TEST(test_validate_msg_unprotected_request);
 669 #endif
 670     ADD_TEST(test_validate_msg_mac_alg_protection);
 671 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 672     ADD_TEST(test_validate_msg_mac_alg_protection_bad);
 673 #endif
 674
 675     /* Cert path validation tests */
 676     ADD_TEST(test_validate_cert_path_ok);
 677     ADD_TEST(test_validate_cert_path_expired);
 678     ADD_TEST(test_validate_cert_path_wrong_anchor);
 679
 680 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 681     ADD_TEST(test_msg_check_no_protection_no_cb);
 682     ADD_TEST(test_msg_check_no_protection_restrictive_cb);
 683 #endif
 684     ADD_TEST(test_msg_check_no_protection_permissive_cb);
 685     ADD_TEST(test_msg_check_transaction_id);
 686 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 687     ADD_TEST(test_msg_check_transaction_id_bad);
 688 #endif
 689     ADD_TEST(test_msg_check_recipient_nonce);
 690 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 691     ADD_TEST(test_msg_check_recipient_nonce_bad);
 692 #endif
 693
 694     return 1;
 695
 696  err:
 697     cleanup_tests();
 698     return 0;
 699
 700 }