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 /* secret value used for IP_waitingStatus_PBM.der */
  87 static const unsigned char sec_1[] = {
  88     '9', 'p', 'p', '8', '-', 'b', '3', '5', 'i', '-', 'X', 'd', '3',
  89     'Q', '-', 'u', 'd', 'N', 'R'
  90 };
  91
  92 static int flip_bit(ASN1_BIT_STRING *bitstr)
  93 {
  94     int bit_num = 7;
  95     int bit = ASN1_BIT_STRING_get_bit(bitstr, bit_num);
  96
  97     return ASN1_BIT_STRING_set_bit(bitstr, bit_num, !bit);
  98 }
  99
 100 static int execute_verify_popo_test(CMP_VFY_TEST_FIXTURE *fixture)
 101 {
 102     if ((fixture->msg = load_pkimsg(ir_protected_f, libctx)) == NULL)
 103         return 0;
 104     if (fixture->expected == 0) {
 105         const OSSL_CRMF_MSGS *reqs = fixture->msg->body->value.ir;
 106         const OSSL_CRMF_MSG *req = sk_OSSL_CRMF_MSG_value(reqs, 0);
 107
 108         if (req == NULL || !flip_bit(req->popo->value.signature->signature))
 109             return 0;
 110     }
 111     return TEST_int_eq(fixture->expected,
 112                        ossl_cmp_verify_popo(fixture->cmp_ctx, fixture->msg,
 113                                             fixture->additional_arg));
 114 }
 115
 116 static int test_verify_popo(void)
 117 {
 118     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 119     fixture->expected = 1;
 120     EXECUTE_TEST(execute_verify_popo_test, tear_down);
 121     return result;
 122 }
 123
 124 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 125 static int test_verify_popo_bad(void)
 126 {
 127     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 128     fixture->expected = 0;
 129     EXECUTE_TEST(execute_verify_popo_test, tear_down);
 130     return result;
 131 }
 132 #endif
 133
 134 /* indirectly checks also OSSL_CMP_validate_msg() */
 135 static int execute_validate_msg_test(CMP_VFY_TEST_FIXTURE *fixture)
 136 {
 137     int res = TEST_int_eq(fixture->expected,
 138                           ossl_cmp_msg_check_update(fixture->cmp_ctx,
 139                                                     fixture->msg, NULL, 0));
 140     X509 *validated = OSSL_CMP_CTX_get0_validatedSrvCert(fixture->cmp_ctx);
 141
 142     return res && (!fixture->expected || TEST_ptr_eq(validated, fixture->cert));
 143 }
 144
 145 static int execute_validate_cert_path_test(CMP_VFY_TEST_FIXTURE *fixture)
 146 {
 147     X509_STORE *ts = OSSL_CMP_CTX_get0_trusted(fixture->cmp_ctx);
 148     int res = TEST_int_eq(fixture->expected,
 149                           OSSL_CMP_validate_cert_path(fixture->cmp_ctx,
 150                                                       ts, fixture->cert));
 151
 152     OSSL_CMP_CTX_print_errors(fixture->cmp_ctx);
 153     return res;
 154 }
 155
 156 static int test_validate_msg_mac_alg_protection(int miss, int wrong)
 157 {
 158     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 159     fixture->cert = NULL;
 160
 161     fixture->expected = !miss && !wrong;
 162     if (!TEST_true(miss ? OSSL_CMP_CTX_set0_trusted(fixture->cmp_ctx, NULL)
 163                    : OSSL_CMP_CTX_set1_secretValue(fixture->cmp_ctx, sec_1,
 164                                                    wrong ? 4 : sizeof(sec_1)))
 165             || !TEST_ptr(fixture->msg = load_pkimsg(ip_waiting_f, libctx))) {
 166         tear_down(fixture);
 167         fixture = NULL;
 168     }
 169     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 170     return result;
 171 }
 172
 173 static int test_validate_msg_mac_alg_protection_ok(void)
 174 {
 175     return test_validate_msg_mac_alg_protection(0, 0);
 176 }
 177
 178 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 179 static int test_validate_msg_mac_alg_protection_missing(void)
 180 {
 181     return test_validate_msg_mac_alg_protection(1, 0);
 182 }
 183
 184 static int test_validate_msg_mac_alg_protection_wrong(void)
 185 {
 186     return test_validate_msg_mac_alg_protection(0, 1);
 187 }
 188
 189 static int test_validate_msg_mac_alg_protection_bad(void)
 190 {
 191     const unsigned char sec_bad[] = {
 192         '9', 'p', 'p', '8', '-', 'b', '3', '5', 'i', '-', 'X', 'd', '3',
 193         'Q', '-', 'u', 'd', 'N', 'r'
 194     };
 195
 196     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 197     fixture->cert = NULL;
 198     fixture->expected = 0;
 199
 200     if (!TEST_true(OSSL_CMP_CTX_set1_secretValue(fixture->cmp_ctx, sec_bad,
 201                                                  sizeof(sec_bad)))
 202             || !TEST_ptr(fixture->msg = load_pkimsg(ip_waiting_f, libctx))) {
 203         tear_down(fixture);
 204         fixture = NULL;
 205     }
 206     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 207     return result;
 208 }
 209 #endif
 210
 211 static int add_trusted(OSSL_CMP_CTX *ctx, X509 *cert)
 212 {
 213     return X509_STORE_add_cert(OSSL_CMP_CTX_get0_trusted(ctx), cert);
 214 }
 215
 216 static int add_untrusted(OSSL_CMP_CTX *ctx, X509 *cert)
 217 {
 218     return X509_add_cert(OSSL_CMP_CTX_get0_untrusted(ctx), cert,
 219                          X509_ADD_FLAG_UP_REF);
 220 }
 221
 222 static int test_validate_msg_signature_partial_chain(int expired)
 223 {
 224     X509_STORE *ts;
 225
 226     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 227     fixture->cert = srvcert;
 228
 229     ts = OSSL_CMP_CTX_get0_trusted(fixture->cmp_ctx);
 230     fixture->expected = !expired;
 231     if (ts == NULL
 232             || !TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 233             || !add_trusted(fixture->cmp_ctx, srvcert)) {
 234         tear_down(fixture);
 235         fixture = NULL;
 236     } else {
 237         X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
 238
 239         X509_VERIFY_PARAM_set_flags(vpm, X509_V_FLAG_PARTIAL_CHAIN);
 240         if (expired)
 241             X509_VERIFY_PARAM_set_time(vpm, test_time_after_expiration);
 242     }
 243     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 244     return result;
 245 }
 246
 247 static int test_validate_msg_signature_trusted_ok(void)
 248 {
 249     return test_validate_msg_signature_partial_chain(0);
 250 }
 251
 252 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 253 static int test_validate_msg_signature_trusted_expired(void)
 254 {
 255     return test_validate_msg_signature_partial_chain(1);
 256 }
 257 #endif
 258
 259 static int test_validate_msg_signature_srvcert(int bad_sig, int miss, int wrong)
 260 {
 261     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 262     fixture->cert = srvcert;
 263     fixture->expected = !bad_sig && !wrong && !miss;
 264     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 265         || !TEST_true(miss ? OSSL_CMP_CTX_set1_secretValue(fixture->cmp_ctx,
 266                                                            sec_1, sizeof(sec_1))
 267                       :  OSSL_CMP_CTX_set1_srvCert(fixture->cmp_ctx,
 268                                                    wrong? clcert : srvcert))
 269         || (bad_sig && !flip_bit(fixture->msg->protection))) {
 270         tear_down(fixture);
 271         fixture = NULL;
 272     }
 273     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 274     return result;
 275 }
 276
 277 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 278 static int test_validate_msg_signature_srvcert_missing(void)
 279 {
 280     return test_validate_msg_signature_srvcert(0, 1, 0);
 281 }
 282 #endif
 283
 284 static int test_validate_msg_signature_srvcert_wrong(void)
 285 {
 286     return test_validate_msg_signature_srvcert(0, 0, 1);
 287 }
 288
 289 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 290 static int test_validate_msg_signature_bad(void)
 291 {
 292     return test_validate_msg_signature_srvcert(1, 0, 0);
 293 }
 294 #endif
 295
 296 static int test_validate_msg_signature_sender_cert_srvcert(void)
 297 {
 298     return test_validate_msg_signature_srvcert(0, 0, 0);
 299 }
 300
 301 static int test_validate_msg_signature_sender_cert_untrusted(void)
 302 {
 303     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 304     fixture->cert = insta_cert;
 305     fixture->expected = 1;
 306     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_0_extracerts, libctx))
 307             || !add_trusted(fixture->cmp_ctx, instaca_cert)
 308             || !add_untrusted(fixture->cmp_ctx, insta_cert)) {
 309         tear_down(fixture);
 310         fixture = NULL;
 311     }
 312     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 313     return result;
 314 }
 315
 316 static int test_validate_msg_signature_sender_cert_trusted(void)
 317 {
 318     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 319     fixture->cert = insta_cert;
 320     fixture->expected = 1;
 321     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_0_extracerts, libctx))
 322             || !add_trusted(fixture->cmp_ctx, instaca_cert)
 323             || !add_trusted(fixture->cmp_ctx, insta_cert)) {
 324         tear_down(fixture);
 325         fixture = NULL;
 326     }
 327     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 328     return result;
 329 }
 330
 331 static int test_validate_msg_signature_sender_cert_extracert(void)
 332 {
 333     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 334     fixture->expected = 1;
 335     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_2_extracerts, libctx))
 336             || !add_trusted(fixture->cmp_ctx, instaca_cert)) {
 337         tear_down(fixture);
 338         fixture = NULL;
 339     }
 340     fixture->cert = sk_X509_value(fixture->msg->extraCerts, 1); /* Insta CA */
 341     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 342     return result;
 343 }
 344
 345 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 346 static int test_validate_msg_signature_sender_cert_absent(void)
 347 {
 348     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 349     fixture->expected = 0;
 350     if (!TEST_ptr(fixture->msg =
 351                   load_pkimsg(ir_protected_0_extracerts, libctx))) {
 352         tear_down(fixture);
 353         fixture = NULL;
 354     }
 355     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 356     return result;
 357 }
 358 #endif
 359
 360 static int test_validate_with_sender(const X509_NAME *name, int expected)
 361 {
 362     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 363     fixture->cert = srvcert;
 364     fixture->expected = expected;
 365     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 366         || !TEST_true(OSSL_CMP_CTX_set1_expected_sender(fixture->cmp_ctx, name))
 367         || !TEST_true(OSSL_CMP_CTX_set1_srvCert(fixture->cmp_ctx, srvcert))) {
 368         tear_down(fixture);
 369         fixture = NULL;
 370     }
 371     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 372     return result;
 373 }
 374
 375 static int test_validate_msg_signature_expected_sender(void)
 376 {
 377     return test_validate_with_sender(X509_get_subject_name(srvcert), 1);
 378 }
 379
 380 static int test_validate_msg_signature_unexpected_sender(void)
 381 {
 382     return test_validate_with_sender(X509_get_subject_name(root), 0);
 383 }
 384
 385 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 386 static int test_validate_msg_unprotected_request(void)
 387 {
 388     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 389     fixture->expected = 0;
 390     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_unprotected_f, libctx))) {
 391         tear_down(fixture);
 392         fixture = NULL;
 393     }
 394     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 395     return result;
 396 }
 397 #endif
 398
 399 static void setup_path(CMP_VFY_TEST_FIXTURE **fixture, X509 *wrong, int expired)
 400 {
 401     (*fixture)->cert = endentity2;
 402     (*fixture)->expected = wrong == NULL && !expired;
 403     if (expired) {
 404         X509_STORE *ts = OSSL_CMP_CTX_get0_trusted((*fixture)->cmp_ctx);
 405         X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
 406
 407         X509_VERIFY_PARAM_set_time(vpm, test_time_after_expiration);
 408     }
 409     if (!add_trusted((*fixture)->cmp_ctx, wrong == NULL ? root : wrong)
 410             || !add_untrusted((*fixture)->cmp_ctx, endentity1)
 411             || !add_untrusted((*fixture)->cmp_ctx, intermediate)) {
 412         tear_down((*fixture));
 413         (*fixture) = NULL;
 414     }
 415 }
 416
 417 static int test_validate_cert_path_ok(void)
 418 {
 419     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 420     setup_path(&fixture, NULL, 0);
 421     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 422     return result;
 423 }
 424
 425 static int test_validate_cert_path_wrong_anchor(void)
 426 {
 427     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 428     setup_path(&fixture, srvcert /* wrong/non-root cert */, 0);
 429     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 430     return result;
 431 }
 432
 433 static int test_validate_cert_path_expired(void)
 434 {
 435     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 436     setup_path(&fixture, NULL, 1);
 437     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 438     return result;
 439 }
 440
 441 static int execute_msg_check_test(CMP_VFY_TEST_FIXTURE *fixture)
 442 {
 443     const OSSL_CMP_PKIHEADER *hdr = OSSL_CMP_MSG_get0_header(fixture->msg);
 444     const ASN1_OCTET_STRING *tid = OSSL_CMP_HDR_get0_transactionID(hdr);
 445
 446     if (!TEST_int_eq(fixture->expected,
 447                      ossl_cmp_msg_check_update(fixture->cmp_ctx,
 448                                                fixture->msg,
 449                                                fixture->allow_unprotected_cb,
 450                                                fixture->additional_arg)))
 451         return 0;
 452
 453     if (fixture->expected == 0) /* error expected already during above check */
 454         return 1;
 455     return
 456         TEST_int_eq(0,
 457                     ASN1_OCTET_STRING_cmp(ossl_cmp_hdr_get0_senderNonce(hdr),
 458                                           fixture->cmp_ctx->recipNonce))
 459         && TEST_int_eq(0,
 460                        ASN1_OCTET_STRING_cmp(tid,
 461                                              fixture->cmp_ctx->transactionID));
 462 }
 463
 464 static int allow_unprotected(const OSSL_CMP_CTX *ctx, const OSSL_CMP_MSG *msg,
 465                              int invalid_protection, int allow)
 466 {
 467     return allow;
 468 }
 469
 470 static void setup_check_update(CMP_VFY_TEST_FIXTURE **fixture, int expected,
 471                                ossl_cmp_allow_unprotected_cb_t cb, int arg,
 472                                const unsigned char *trid_data,
 473                                const unsigned char *nonce_data)
 474 {
 475     OSSL_CMP_CTX *ctx = (*fixture)->cmp_ctx;
 476     int nonce_len = OSSL_CMP_SENDERNONCE_LENGTH;
 477
 478     (*fixture)->expected = expected;
 479     (*fixture)->allow_unprotected_cb = cb;
 480     (*fixture)->additional_arg = arg;
 481     (*fixture)->msg = OSSL_CMP_MSG_dup(ir_rmprotection);
 482     if ((*fixture)->msg == NULL
 483         || (nonce_data != NULL
 484             && !ossl_cmp_asn1_octet_string_set1_bytes(&ctx->senderNonce,
 485                                                       nonce_data, nonce_len))) {
 486         tear_down((*fixture));
 487         (*fixture) = NULL;
 488     } else if (trid_data != NULL) {
 489         ASN1_OCTET_STRING *trid = ASN1_OCTET_STRING_new();
 490
 491         if (trid == NULL
 492             || !ASN1_OCTET_STRING_set(trid, trid_data,
 493                                       OSSL_CMP_TRANSACTIONID_LENGTH)
 494             || !OSSL_CMP_CTX_set1_transactionID(ctx, trid)) {
 495             tear_down((*fixture));
 496             (*fixture) = NULL;
 497         }
 498         ASN1_OCTET_STRING_free(trid);
 499     }
 500 }
 501
 502 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 503 static int test_msg_check_no_protection_no_cb(void)
 504 {
 505     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 506     setup_check_update(&fixture, 0, NULL, 0, NULL, NULL);
 507     EXECUTE_TEST(execute_msg_check_test, tear_down);
 508     return result;
 509 }
 510
 511 static int test_msg_check_no_protection_restrictive_cb(void)
 512 {
 513     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 514     setup_check_update(&fixture, 0, allow_unprotected, 0, NULL, NULL);
 515     EXECUTE_TEST(execute_msg_check_test, tear_down);
 516     return result;
 517 }
 518 #endif
 519
 520 static int test_msg_check_no_protection_permissive_cb(void)
 521 {
 522     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 523     setup_check_update(&fixture, 1, allow_unprotected, 1, NULL, NULL);
 524     EXECUTE_TEST(execute_msg_check_test, tear_down);
 525     return result;
 526 }
 527
 528 static int test_msg_check_transaction_id(void)
 529 {
 530     /* Transaction id belonging to CMP_IR_rmprotection.der */
 531     const unsigned char trans_id[OSSL_CMP_TRANSACTIONID_LENGTH] = {
 532         0x39, 0xB6, 0x90, 0x28, 0xC4, 0xBC, 0x7A, 0xF6,
 533         0xBE, 0xC6, 0x4A, 0x88, 0x97, 0xA6, 0x95, 0x0B
 534     };
 535
 536     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 537     setup_check_update(&fixture, 1, allow_unprotected, 1, trans_id, NULL);
 538     EXECUTE_TEST(execute_msg_check_test, tear_down);
 539     return result;
 540 }
 541
 542 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 543 static int test_msg_check_transaction_id_bad(void)
 544 {
 545     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 546     setup_check_update(&fixture, 0, allow_unprotected, 1, rand_data, NULL);
 547     EXECUTE_TEST(execute_msg_check_test, tear_down);
 548     return result;
 549 }
 550 #endif
 551
 552 static int test_msg_check_recipient_nonce(void)
 553 {
 554     /* Recipient nonce belonging to CMP_IP_ir_rmprotection.der */
 555     const unsigned char rec_nonce[OSSL_CMP_SENDERNONCE_LENGTH] = {
 556         0x48, 0xF1, 0x71, 0x1F, 0xE5, 0xAF, 0x1C, 0x8B,
 557         0x21, 0x97, 0x5C, 0x84, 0x74, 0x49, 0xBA, 0x32
 558     };
 559
 560     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 561     setup_check_update(&fixture, 1, allow_unprotected, 1, NULL, rec_nonce);
 562     EXECUTE_TEST(execute_msg_check_test, tear_down);
 563     return result;
 564 }
 565
 566 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 567 static int test_msg_check_recipient_nonce_bad(void)
 568 {
 569     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 570     setup_check_update(&fixture, 0, allow_unprotected, 1, NULL, rand_data);
 571     EXECUTE_TEST(execute_msg_check_test, tear_down);
 572     return result;
 573 }
 574 #endif
 575
 576 void cleanup_tests(void)
 577 {
 578     X509_free(srvcert);
 579     X509_free(clcert);
 580     X509_free(endentity1);
 581     X509_free(endentity2);
 582     X509_free(intermediate);
 583     X509_free(root);
 584     X509_free(insta_cert);
 585     X509_free(instaca_cert);
 586     OSSL_CMP_MSG_free(ir_unprotected);
 587     OSSL_CMP_MSG_free(ir_rmprotection);
 588     OSSL_PROVIDER_unload(default_null_provider);
 589     OSSL_PROVIDER_unload(provider);
 590     OSSL_LIB_CTX_free(libctx);
 591     return;
 592 }
 593
 594 #define USAGE "server.crt client.crt " \
 595     "EndEntity1.crt EndEntity2.crt " \
 596     "Root_CA.crt Intermediate_CA.crt " \
 597     "CMP_IR_protected.der CMP_IR_unprotected.der " \
 598     "IP_waitingStatus_PBM.der IR_rmprotection.der " \
 599     "insta.cert.pem insta_ca.cert.pem " \
 600     "IR_protected_0_extraCerts.der " \
 601     "IR_protected_2_extraCerts.der module_name [module_conf_file]\n"
 602 OPT_TEST_DECLARE_USAGE(USAGE)
 603
 604 int setup_tests(void)
 605 {
 606     /* Set test time stamps */
 607     struct tm ts = { 0 };
 608
 609     ts.tm_year = 2018 - 1900;      /* 2018 */
 610     ts.tm_mon = 1;                 /* February */
 611     ts.tm_mday = 18;               /* 18th */
 612     test_time_valid = mktime(&ts); /* February 18th 2018 */
 613     ts.tm_year += 10;              /* February 18th 2028 */
 614     test_time_after_expiration = mktime(&ts);
 615
 616     if (!test_skip_common_options()) {
 617         TEST_error("Error parsing test options\n");
 618         return 0;
 619     }
 620
 621     RAND_bytes(rand_data, OSSL_CMP_TRANSACTIONID_LENGTH);
 622     if (!TEST_ptr(server_f = test_get_argument(0))
 623             || !TEST_ptr(client_f = test_get_argument(1))
 624             || !TEST_ptr(endentity1_f = test_get_argument(2))
 625             || !TEST_ptr(endentity2_f = test_get_argument(3))
 626             || !TEST_ptr(root_f = test_get_argument(4))
 627             || !TEST_ptr(intermediate_f = test_get_argument(5))
 628             || !TEST_ptr(ir_protected_f = test_get_argument(6))
 629             || !TEST_ptr(ir_unprotected_f = test_get_argument(7))
 630             || !TEST_ptr(ip_waiting_f = test_get_argument(8))
 631             || !TEST_ptr(ir_rmprotection_f = test_get_argument(9))
 632             || !TEST_ptr(instacert_f = test_get_argument(10))
 633             || !TEST_ptr(instaca_f = test_get_argument(11))
 634             || !TEST_ptr(ir_protected_0_extracerts = test_get_argument(12))
 635             || !TEST_ptr(ir_protected_2_extracerts = test_get_argument(13))) {
 636         TEST_error("usage: cmp_vfy_test %s", USAGE);
 637         return 0;
 638     }
 639
 640     if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 14, USAGE))
 641         return 0;
 642
 643     /* Load certificates for cert chain */
 644     if (!TEST_ptr(endentity1 = load_cert_pem(endentity1_f, libctx))
 645             || !TEST_ptr(endentity2 = load_cert_pem(endentity2_f, libctx))
 646             || !TEST_ptr(root = load_cert_pem(root_f, NULL))
 647             || !TEST_ptr(intermediate = load_cert_pem(intermediate_f, libctx)))
 648         goto err;
 649
 650     if (!TEST_ptr(insta_cert = load_cert_pem(instacert_f, libctx))
 651             || !TEST_ptr(instaca_cert = load_cert_pem(instaca_f, libctx)))
 652         goto err;
 653
 654     /* Load certificates for message validation */
 655     if (!TEST_ptr(srvcert = load_cert_pem(server_f, libctx))
 656             || !TEST_ptr(clcert = load_cert_pem(client_f, libctx)))
 657         goto err;
 658     if (!TEST_int_eq(1, RAND_bytes(rand_data, OSSL_CMP_TRANSACTIONID_LENGTH)))
 659         goto err;
 660     if (!TEST_ptr(ir_unprotected = load_pkimsg(ir_unprotected_f, libctx))
 661             || !TEST_ptr(ir_rmprotection = load_pkimsg(ir_rmprotection_f,
 662                                                        libctx)))
 663         goto err;
 664
 665     /* Message validation tests */
 666     ADD_TEST(test_verify_popo);
 667 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 668     ADD_TEST(test_verify_popo_bad);
 669 #endif
 670     ADD_TEST(test_validate_msg_signature_trusted_ok);
 671 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 672     ADD_TEST(test_validate_msg_signature_trusted_expired);
 673     ADD_TEST(test_validate_msg_signature_srvcert_missing);
 674 #endif
 675     ADD_TEST(test_validate_msg_signature_srvcert_wrong);
 676 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 677     ADD_TEST(test_validate_msg_signature_bad);
 678 #endif
 679     ADD_TEST(test_validate_msg_signature_sender_cert_srvcert);
 680     ADD_TEST(test_validate_msg_signature_sender_cert_untrusted);
 681     ADD_TEST(test_validate_msg_signature_sender_cert_trusted);
 682     ADD_TEST(test_validate_msg_signature_sender_cert_extracert);
 683 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 684     ADD_TEST(test_validate_msg_signature_sender_cert_absent);
 685 #endif
 686     ADD_TEST(test_validate_msg_signature_expected_sender);
 687     ADD_TEST(test_validate_msg_signature_unexpected_sender);
 688 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 689     ADD_TEST(test_validate_msg_unprotected_request);
 690 #endif
 691     ADD_TEST(test_validate_msg_mac_alg_protection_ok);
 692 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 693     ADD_TEST(test_validate_msg_mac_alg_protection_missing);
 694     ADD_TEST(test_validate_msg_mac_alg_protection_wrong);
 695     ADD_TEST(test_validate_msg_mac_alg_protection_bad);
 696 #endif
 697
 698     /* Cert path validation tests */
 699     ADD_TEST(test_validate_cert_path_ok);
 700     ADD_TEST(test_validate_cert_path_expired);
 701     ADD_TEST(test_validate_cert_path_wrong_anchor);
 702
 703 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 704     ADD_TEST(test_msg_check_no_protection_no_cb);
 705     ADD_TEST(test_msg_check_no_protection_restrictive_cb);
 706 #endif
 707     ADD_TEST(test_msg_check_no_protection_permissive_cb);
 708     ADD_TEST(test_msg_check_transaction_id);
 709 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 710     ADD_TEST(test_msg_check_transaction_id_bad);
 711 #endif
 712     ADD_TEST(test_msg_check_recipient_nonce);
 713 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 714     ADD_TEST(test_msg_check_recipient_nonce_bad);
 715 #endif
 716
 717     return 1;
 718
 719  err:
 720     cleanup_tests();
 721     return 0;
 722
 723 }