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 static int test_validate_msg_mac_alg_protection_missing(void)
 179 {
 180     return test_validate_msg_mac_alg_protection(1, 0);
 181 }
 182
 183 static int test_validate_msg_mac_alg_protection_wrong(void)
 184 {
 185     return test_validate_msg_mac_alg_protection(0, 1);
 186 }
 187
 188 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 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 static int test_validate_msg_signature_srvcert_missing(void)
 278 {
 279     return test_validate_msg_signature_srvcert(0, 1, 0);
 280 }
 281
 282 static int test_validate_msg_signature_srvcert_wrong(void)
 283 {
 284     return test_validate_msg_signature_srvcert(0, 0, 1);
 285 }
 286
 287 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 288 static int test_validate_msg_signature_bad(void)
 289 {
 290     return test_validate_msg_signature_srvcert(1, 0, 0);
 291 }
 292 #endif
 293
 294 static int test_validate_msg_signature_sender_cert_srvcert(void)
 295 {
 296     return test_validate_msg_signature_srvcert(0, 0, 0);
 297 }
 298
 299 static int test_validate_msg_signature_sender_cert_untrusted(void)
 300 {
 301     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 302     fixture->cert = insta_cert;
 303     fixture->expected = 1;
 304     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_0_extracerts, libctx))
 305             || !add_trusted(fixture->cmp_ctx, instaca_cert)
 306             || !add_untrusted(fixture->cmp_ctx, insta_cert)) {
 307         tear_down(fixture);
 308         fixture = NULL;
 309     }
 310     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 311     return result;
 312 }
 313
 314 static int test_validate_msg_signature_sender_cert_trusted(void)
 315 {
 316     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 317     fixture->cert = insta_cert;
 318     fixture->expected = 1;
 319     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_0_extracerts, libctx))
 320             || !add_trusted(fixture->cmp_ctx, instaca_cert)
 321             || !add_trusted(fixture->cmp_ctx, insta_cert)) {
 322         tear_down(fixture);
 323         fixture = NULL;
 324     }
 325     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 326     return result;
 327 }
 328
 329 static int test_validate_msg_signature_sender_cert_extracert(void)
 330 {
 331     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 332     fixture->expected = 1;
 333     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_2_extracerts, libctx))
 334             || !add_trusted(fixture->cmp_ctx, instaca_cert)) {
 335         tear_down(fixture);
 336         fixture = NULL;
 337     }
 338     fixture->cert = sk_X509_value(fixture->msg->extraCerts, 1); /* Insta CA */
 339     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 340     return result;
 341 }
 342
 343 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 344 static int test_validate_msg_signature_sender_cert_absent(void)
 345 {
 346     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 347     fixture->expected = 0;
 348     if (!TEST_ptr(fixture->msg =
 349                   load_pkimsg(ir_protected_0_extracerts, libctx))) {
 350         tear_down(fixture);
 351         fixture = NULL;
 352     }
 353     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 354     return result;
 355 }
 356 #endif
 357
 358 static int test_validate_with_sender(const X509_NAME *name, int expected)
 359 {
 360     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 361     fixture->cert = srvcert;
 362     fixture->expected = expected;
 363     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_protected_f, libctx))
 364         || !TEST_true(OSSL_CMP_CTX_set1_expected_sender(fixture->cmp_ctx, name))
 365         || !TEST_true(OSSL_CMP_CTX_set1_srvCert(fixture->cmp_ctx, srvcert))) {
 366         tear_down(fixture);
 367         fixture = NULL;
 368     }
 369     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 370     return result;
 371 }
 372
 373 static int test_validate_msg_signature_expected_sender(void)
 374 {
 375     return test_validate_with_sender(X509_get_subject_name(srvcert), 1);
 376 }
 377
 378 static int test_validate_msg_signature_unexpected_sender(void)
 379 {
 380     return test_validate_with_sender(X509_get_subject_name(root), 0);
 381 }
 382
 383 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 384 static int test_validate_msg_unprotected_request(void)
 385 {
 386     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 387     fixture->expected = 0;
 388     if (!TEST_ptr(fixture->msg = load_pkimsg(ir_unprotected_f, libctx))) {
 389         tear_down(fixture);
 390         fixture = NULL;
 391     }
 392     EXECUTE_TEST(execute_validate_msg_test, tear_down);
 393     return result;
 394 }
 395 #endif
 396
 397 static void setup_path(CMP_VFY_TEST_FIXTURE **fixture, X509 *wrong, int expired)
 398 {
 399     (*fixture)->cert = endentity2;
 400     (*fixture)->expected = wrong == NULL && !expired;
 401     if (expired) {
 402         X509_STORE *ts = OSSL_CMP_CTX_get0_trusted((*fixture)->cmp_ctx);
 403         X509_VERIFY_PARAM *vpm = X509_STORE_get0_param(ts);
 404
 405         X509_VERIFY_PARAM_set_time(vpm, test_time_after_expiration);
 406     }
 407     if (!add_trusted((*fixture)->cmp_ctx, wrong == NULL ? root : wrong)
 408             || !add_untrusted((*fixture)->cmp_ctx, endentity1)
 409             || !add_untrusted((*fixture)->cmp_ctx, intermediate)) {
 410         tear_down((*fixture));
 411         (*fixture) = NULL;
 412     }
 413 }
 414
 415 static int test_validate_cert_path_ok(void)
 416 {
 417     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 418     setup_path(&fixture, NULL, 0);
 419     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 420     return result;
 421 }
 422
 423 static int test_validate_cert_path_wrong_anchor(void)
 424 {
 425     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 426     setup_path(&fixture, srvcert /* wrong/non-root cert */, 0);
 427     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 428     return result;
 429 }
 430
 431 static int test_validate_cert_path_expired(void)
 432 {
 433     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 434     setup_path(&fixture, NULL, 1);
 435     EXECUTE_TEST(execute_validate_cert_path_test, tear_down);
 436     return result;
 437 }
 438
 439 static int execute_msg_check_test(CMP_VFY_TEST_FIXTURE *fixture)
 440 {
 441     const OSSL_CMP_PKIHEADER *hdr = OSSL_CMP_MSG_get0_header(fixture->msg);
 442     const ASN1_OCTET_STRING *tid = OSSL_CMP_HDR_get0_transactionID(hdr);
 443
 444     if (!TEST_int_eq(fixture->expected,
 445                      ossl_cmp_msg_check_update(fixture->cmp_ctx,
 446                                                fixture->msg,
 447                                                fixture->allow_unprotected_cb,
 448                                                fixture->additional_arg)))
 449         return 0;
 450
 451     if (fixture->expected == 0) /* error expected already during above check */
 452         return 1;
 453     return
 454         TEST_int_eq(0,
 455                     ASN1_OCTET_STRING_cmp(ossl_cmp_hdr_get0_senderNonce(hdr),
 456                                           fixture->cmp_ctx->recipNonce))
 457         && TEST_int_eq(0,
 458                        ASN1_OCTET_STRING_cmp(tid,
 459                                              fixture->cmp_ctx->transactionID));
 460 }
 461
 462 static int allow_unprotected(const OSSL_CMP_CTX *ctx, const OSSL_CMP_MSG *msg,
 463                              int invalid_protection, int allow)
 464 {
 465     return allow;
 466 }
 467
 468 static void setup_check_update(CMP_VFY_TEST_FIXTURE **fixture, int expected,
 469                                ossl_cmp_allow_unprotected_cb_t cb, int arg,
 470                                const unsigned char *trid_data,
 471                                const unsigned char *nonce_data)
 472 {
 473     OSSL_CMP_CTX *ctx = (*fixture)->cmp_ctx;
 474     int nonce_len = OSSL_CMP_SENDERNONCE_LENGTH;
 475
 476     (*fixture)->expected = expected;
 477     (*fixture)->allow_unprotected_cb = cb;
 478     (*fixture)->additional_arg = arg;
 479     (*fixture)->msg = OSSL_CMP_MSG_dup(ir_rmprotection);
 480     if ((*fixture)->msg == NULL
 481         || (nonce_data != NULL
 482             && !ossl_cmp_asn1_octet_string_set1_bytes(&ctx->senderNonce,
 483                                                       nonce_data, nonce_len))) {
 484         tear_down((*fixture));
 485         (*fixture) = NULL;
 486     } else if (trid_data != NULL) {
 487         ASN1_OCTET_STRING *trid = ASN1_OCTET_STRING_new();
 488
 489         if (trid == NULL
 490             || !ASN1_OCTET_STRING_set(trid, trid_data,
 491                                       OSSL_CMP_TRANSACTIONID_LENGTH)
 492             || !OSSL_CMP_CTX_set1_transactionID(ctx, trid)) {
 493             tear_down((*fixture));
 494             (*fixture) = NULL;
 495         }
 496         ASN1_OCTET_STRING_free(trid);
 497     }
 498 }
 499
 500 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 501 static int test_msg_check_no_protection_no_cb(void)
 502 {
 503     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 504     setup_check_update(&fixture, 0, NULL, 0, NULL, NULL);
 505     EXECUTE_TEST(execute_msg_check_test, tear_down);
 506     return result;
 507 }
 508
 509 static int test_msg_check_no_protection_restrictive_cb(void)
 510 {
 511     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 512     setup_check_update(&fixture, 0, allow_unprotected, 0, NULL, NULL);
 513     EXECUTE_TEST(execute_msg_check_test, tear_down);
 514     return result;
 515 }
 516 #endif
 517
 518 static int test_msg_check_no_protection_permissive_cb(void)
 519 {
 520     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 521     setup_check_update(&fixture, 1, allow_unprotected, 1, NULL, NULL);
 522     EXECUTE_TEST(execute_msg_check_test, tear_down);
 523     return result;
 524 }
 525
 526 static int test_msg_check_transaction_id(void)
 527 {
 528     /* Transaction id belonging to CMP_IR_rmprotection.der */
 529     const unsigned char trans_id[OSSL_CMP_TRANSACTIONID_LENGTH] = {
 530         0x39, 0xB6, 0x90, 0x28, 0xC4, 0xBC, 0x7A, 0xF6,
 531         0xBE, 0xC6, 0x4A, 0x88, 0x97, 0xA6, 0x95, 0x0B
 532     };
 533
 534     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 535     setup_check_update(&fixture, 1, allow_unprotected, 1, trans_id, NULL);
 536     EXECUTE_TEST(execute_msg_check_test, tear_down);
 537     return result;
 538 }
 539
 540 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 541 static int test_msg_check_transaction_id_bad(void)
 542 {
 543     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 544     setup_check_update(&fixture, 0, allow_unprotected, 1, rand_data, NULL);
 545     EXECUTE_TEST(execute_msg_check_test, tear_down);
 546     return result;
 547 }
 548 #endif
 549
 550 static int test_msg_check_recipient_nonce(void)
 551 {
 552     /* Recipient nonce belonging to CMP_IP_ir_rmprotection.der */
 553     const unsigned char rec_nonce[OSSL_CMP_SENDERNONCE_LENGTH] = {
 554         0x48, 0xF1, 0x71, 0x1F, 0xE5, 0xAF, 0x1C, 0x8B,
 555         0x21, 0x97, 0x5C, 0x84, 0x74, 0x49, 0xBA, 0x32
 556     };
 557
 558     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 559     setup_check_update(&fixture, 1, allow_unprotected, 1, NULL, rec_nonce);
 560     EXECUTE_TEST(execute_msg_check_test, tear_down);
 561     return result;
 562 }
 563
 564 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 565 static int test_msg_check_recipient_nonce_bad(void)
 566 {
 567     SETUP_TEST_FIXTURE(CMP_VFY_TEST_FIXTURE, set_up);
 568     setup_check_update(&fixture, 0, allow_unprotected, 1, NULL, rand_data);
 569     EXECUTE_TEST(execute_msg_check_test, tear_down);
 570     return result;
 571 }
 572 #endif
 573
 574 void cleanup_tests(void)
 575 {
 576     X509_free(srvcert);
 577     X509_free(clcert);
 578     X509_free(endentity1);
 579     X509_free(endentity2);
 580     X509_free(intermediate);
 581     X509_free(root);
 582     X509_free(insta_cert);
 583     X509_free(instaca_cert);
 584     OSSL_CMP_MSG_free(ir_unprotected);
 585     OSSL_CMP_MSG_free(ir_rmprotection);
 586     OSSL_LIB_CTX_free(libctx);
 587     return;
 588 }
 589
 590 #define USAGE "server.crt client.crt " \
 591     "EndEntity1.crt EndEntity2.crt " \
 592     "Root_CA.crt Intermediate_CA.crt " \
 593     "CMP_IR_protected.der CMP_IR_unprotected.der " \
 594     "IP_waitingStatus_PBM.der IR_rmprotection.der " \
 595     "insta.cert.pem insta_ca.cert.pem " \
 596     "IR_protected_0_extraCerts.der " \
 597     "IR_protected_2_extraCerts.der module_name [module_conf_file]\n"
 598 OPT_TEST_DECLARE_USAGE(USAGE)
 599
 600 int setup_tests(void)
 601 {
 602     /* Set test time stamps */
 603     struct tm ts = { 0 };
 604
 605     ts.tm_year = 2018 - 1900;      /* 2018 */
 606     ts.tm_mon = 1;                 /* February */
 607     ts.tm_mday = 18;               /* 18th */
 608     test_time_valid = mktime(&ts); /* February 18th 2018 */
 609     ts.tm_year += 10;              /* February 18th 2028 */
 610     test_time_after_expiration = mktime(&ts);
 611
 612     if (!test_skip_common_options()) {
 613         TEST_error("Error parsing test options\n");
 614         return 0;
 615     }
 616
 617     RAND_bytes(rand_data, OSSL_CMP_TRANSACTIONID_LENGTH);
 618     if (!TEST_ptr(server_f = test_get_argument(0))
 619             || !TEST_ptr(client_f = test_get_argument(1))
 620             || !TEST_ptr(endentity1_f = test_get_argument(2))
 621             || !TEST_ptr(endentity2_f = test_get_argument(3))
 622             || !TEST_ptr(root_f = test_get_argument(4))
 623             || !TEST_ptr(intermediate_f = test_get_argument(5))
 624             || !TEST_ptr(ir_protected_f = test_get_argument(6))
 625             || !TEST_ptr(ir_unprotected_f = test_get_argument(7))
 626             || !TEST_ptr(ip_waiting_f = test_get_argument(8))
 627             || !TEST_ptr(ir_rmprotection_f = test_get_argument(9))
 628             || !TEST_ptr(instacert_f = test_get_argument(10))
 629             || !TEST_ptr(instaca_f = test_get_argument(11))
 630             || !TEST_ptr(ir_protected_0_extracerts = test_get_argument(12))
 631             || !TEST_ptr(ir_protected_2_extracerts = test_get_argument(13))) {
 632         TEST_error("usage: cmp_vfy_test %s", USAGE);
 633         return 0;
 634     }
 635
 636     if (!test_arg_libctx(&libctx, &default_null_provider, &provider, 14, USAGE))
 637         return 0;
 638
 639     /* Load certificates for cert chain */
 640     if (!TEST_ptr(endentity1 = load_cert_pem(endentity1_f, libctx))
 641             || !TEST_ptr(endentity2 = load_cert_pem(endentity2_f, libctx))
 642             || !TEST_ptr(root = load_cert_pem(root_f, NULL))
 643             || !TEST_ptr(intermediate = load_cert_pem(intermediate_f, libctx)))
 644         goto err;
 645
 646     if (!TEST_ptr(insta_cert = load_cert_pem(instacert_f, libctx))
 647             || !TEST_ptr(instaca_cert = load_cert_pem(instaca_f, libctx)))
 648         goto err;
 649
 650     /* Load certificates for message validation */
 651     if (!TEST_ptr(srvcert = load_cert_pem(server_f, libctx))
 652             || !TEST_ptr(clcert = load_cert_pem(client_f, libctx)))
 653         goto err;
 654     if (!TEST_int_eq(1, RAND_bytes(rand_data, OSSL_CMP_TRANSACTIONID_LENGTH)))
 655         goto err;
 656     if (!TEST_ptr(ir_unprotected = load_pkimsg(ir_unprotected_f, libctx))
 657             || !TEST_ptr(ir_rmprotection = load_pkimsg(ir_rmprotection_f,
 658                                                        libctx)))
 659         goto err;
 660
 661     /* Message validation tests */
 662     ADD_TEST(test_verify_popo);
 663 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 664     ADD_TEST(test_verify_popo_bad);
 665 #endif
 666     ADD_TEST(test_validate_msg_signature_trusted_ok);
 667 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 668     ADD_TEST(test_validate_msg_signature_trusted_expired);
 669     ADD_TEST(test_validate_msg_signature_srvcert_missing);
 670 #endif
 671     ADD_TEST(test_validate_msg_signature_srvcert_wrong);
 672 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 673     ADD_TEST(test_validate_msg_signature_bad);
 674 #endif
 675     ADD_TEST(test_validate_msg_signature_sender_cert_srvcert);
 676     ADD_TEST(test_validate_msg_signature_sender_cert_untrusted);
 677     ADD_TEST(test_validate_msg_signature_sender_cert_trusted);
 678     ADD_TEST(test_validate_msg_signature_sender_cert_extracert);
 679 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 680     ADD_TEST(test_validate_msg_signature_sender_cert_absent);
 681 #endif
 682     ADD_TEST(test_validate_msg_signature_expected_sender);
 683     ADD_TEST(test_validate_msg_signature_unexpected_sender);
 684 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 685     ADD_TEST(test_validate_msg_unprotected_request);
 686 #endif
 687     ADD_TEST(test_validate_msg_mac_alg_protection_ok);
 688 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 689     ADD_TEST(test_validate_msg_mac_alg_protection_missing);
 690     ADD_TEST(test_validate_msg_mac_alg_protection_wrong);
 691     ADD_TEST(test_validate_msg_mac_alg_protection_bad);
 692 #endif
 693
 694     /* Cert path validation tests */
 695     ADD_TEST(test_validate_cert_path_ok);
 696     ADD_TEST(test_validate_cert_path_expired);
 697     ADD_TEST(test_validate_cert_path_wrong_anchor);
 698
 699 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 700     ADD_TEST(test_msg_check_no_protection_no_cb);
 701     ADD_TEST(test_msg_check_no_protection_restrictive_cb);
 702 #endif
 703     ADD_TEST(test_msg_check_no_protection_permissive_cb);
 704     ADD_TEST(test_msg_check_transaction_id);
 705 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 706     ADD_TEST(test_msg_check_transaction_id_bad);
 707 #endif
 708     ADD_TEST(test_msg_check_recipient_nonce);
 709 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 710     ADD_TEST(test_msg_check_recipient_nonce_bad);
 711 #endif
 712
 713     return 1;
 714
 715  err:
 716     cleanup_tests();
 717     return 0;
 718
 719 }