test/cmp_client_test.c

   1 /*
   2  * Copyright 2007-2020 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 "cmp_testlib.h"
  13
  14 #include "apps/cmp_mock_srv.h"
  15
  16 #ifndef NDEBUG /* tests need mock server, which is available only if !NDEBUG */
  17
  18 static const char *server_key_f;
  19 static const char *server_cert_f;
  20 static const char *client_key_f;
  21 static const char *client_cert_f;
  22 static const char *pkcs10_f;
  23
  24 typedef struct test_fixture {
  25     const char *test_case_name;
  26     OSSL_CMP_CTX *cmp_ctx;
  27     OSSL_CMP_SRV_CTX *srv_ctx;
  28     int req_type;
  29     int expected;
  30     STACK_OF(X509) *caPubs;
  31 } CMP_SES_TEST_FIXTURE;
  32
  33 static OPENSSL_CTX *libctx = NULL;
  34 static OSSL_PROVIDER *default_null_provider = NULL, *provider = NULL;
  35
  36 static EVP_PKEY *server_key = NULL;
  37 static X509 *server_cert = NULL;
  38 static EVP_PKEY *client_key = NULL;
  39 static X509 *client_cert = NULL;
  40 static unsigned char ref[CMP_TEST_REFVALUE_LENGTH];
  41
  42 /*
  43  * For these unit tests, the client abandons message protection, and for
  44  * error messages the mock server does so as well.
  45  * Message protection and verification is tested in cmp_lib_test.c
  46  */
  47
  48 static void tear_down(CMP_SES_TEST_FIXTURE *fixture)
  49 {
  50     OSSL_CMP_CTX_free(fixture->cmp_ctx);
  51     ossl_cmp_mock_srv_free(fixture->srv_ctx);
  52     sk_X509_free(fixture->caPubs);
  53     OPENSSL_free(fixture);
  54 }
  55
  56 static CMP_SES_TEST_FIXTURE *set_up(const char *const test_case_name)
  57 {
  58     CMP_SES_TEST_FIXTURE *fixture;
  59     OSSL_CMP_CTX *srv_cmp_ctx = NULL;
  60     OSSL_CMP_CTX *ctx = NULL; /* for client */
  61
  62     if (!TEST_ptr(fixture = OPENSSL_zalloc(sizeof(*fixture))))
  63         return NULL;
  64     fixture->test_case_name = test_case_name;
  65     if (!TEST_ptr(fixture->srv_ctx = ossl_cmp_mock_srv_new(libctx, NULL))
  66             || !OSSL_CMP_SRV_CTX_set_accept_unprotected(fixture->srv_ctx, 1)
  67             || !ossl_cmp_mock_srv_set1_certOut(fixture->srv_ctx, client_cert)
  68             || (srv_cmp_ctx =
  69                 OSSL_CMP_SRV_CTX_get0_cmp_ctx(fixture->srv_ctx)) == NULL
  70             || !OSSL_CMP_CTX_set1_cert(srv_cmp_ctx, server_cert)
  71             || !OSSL_CMP_CTX_set1_pkey(srv_cmp_ctx, server_key))
  72         goto err;
  73     if (!TEST_ptr(fixture->cmp_ctx = ctx = OSSL_CMP_CTX_new(libctx, NULL))
  74             || !OSSL_CMP_CTX_set_log_cb(fixture->cmp_ctx, print_to_bio_out)
  75             || !OSSL_CMP_CTX_set_transfer_cb(ctx, OSSL_CMP_CTX_server_perform)
  76             || !OSSL_CMP_CTX_set_transfer_cb_arg(ctx, fixture->srv_ctx)
  77             || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_SEND, 1)
  78             || !OSSL_CMP_CTX_set_option(ctx, OSSL_CMP_OPT_UNPROTECTED_ERRORS, 1)
  79             || !OSSL_CMP_CTX_set1_oldCert(ctx, client_cert)
  80             || !OSSL_CMP_CTX_set1_pkey(ctx, client_key)
  81             || !OSSL_CMP_CTX_set1_srvCert(ctx, server_cert)
  82             || !OSSL_CMP_CTX_set1_referenceValue(ctx, ref, sizeof(ref)))
  83         goto err;
  84     fixture->req_type = -1;
  85     return fixture;
  86
  87  err:
  88     tear_down(fixture);
  89     return NULL;
  90 }
  91
  92 static int execute_exec_RR_ses_test(CMP_SES_TEST_FIXTURE *fixture)
  93 {
  94     return TEST_int_eq(fixture->expected,
  95                        OSSL_CMP_exec_RR_ses(fixture->cmp_ctx) == client_cert);
  96 }
  97
  98 static int execute_exec_GENM_ses_test(CMP_SES_TEST_FIXTURE *fixture)
  99 {
 100     STACK_OF(OSSL_CMP_ITAV) *itavs = NULL;
 101     if (!TEST_ptr(itavs = OSSL_CMP_exec_GENM_ses(fixture->cmp_ctx)))
 102         return 0;
 103     sk_OSSL_CMP_ITAV_pop_free(itavs, OSSL_CMP_ITAV_free);
 104     /* TODO: check if the returned value is the expected one (same as sent) */
 105     return 1;
 106 }
 107
 108 static int execute_exec_certrequest_ses_test(CMP_SES_TEST_FIXTURE *fixture)
 109 {
 110     X509 *res = OSSL_CMP_exec_certreq(fixture->cmp_ctx,
 111                                       fixture->req_type, NULL);
 112
 113     if (fixture->expected == 0)
 114         return TEST_ptr_null(res);
 115
 116     if (!TEST_ptr(res) || !TEST_int_eq(X509_cmp(res, client_cert), 0))
 117         return 0;
 118     /* TODO: check that cerfConf has been exchanged unless implicitConfirm */
 119     if (fixture->caPubs != NULL) {
 120         STACK_OF(X509) *caPubs = OSSL_CMP_CTX_get1_caPubs(fixture->cmp_ctx);
 121         int ret = TEST_int_eq(STACK_OF_X509_cmp(fixture->caPubs, caPubs), 0);
 122
 123         sk_X509_pop_free(caPubs, X509_free);
 124         return ret;
 125     }
 126     return 1;
 127 }
 128
 129 static int test_exec_RR_ses(void)
 130 {
 131     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 132     fixture->expected = 1;
 133     EXECUTE_TEST(execute_exec_RR_ses_test, tear_down);
 134     return result;
 135 }
 136
 137 static int test_exec_RR_ses_receive_error(void)
 138 {
 139     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 140     ossl_cmp_mock_srv_set_statusInfo(fixture->srv_ctx,
 141                                      OSSL_CMP_PKISTATUS_rejection,
 142                                      OSSL_CMP_CTX_FAILINFO_signerNotTrusted,
 143                                      "test string");
 144     ossl_cmp_mock_srv_set_send_error(fixture->srv_ctx, 1);
 145     fixture->expected = 0;
 146     EXECUTE_TEST(execute_exec_RR_ses_test, tear_down);
 147     return result;
 148 }
 149
 150 static int test_exec_IR_ses(void)
 151 {
 152     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 153     fixture->req_type = OSSL_CMP_IR;
 154     fixture->expected = 1;
 155     fixture->caPubs = sk_X509_new_null();
 156     sk_X509_push(fixture->caPubs, server_cert);
 157     sk_X509_push(fixture->caPubs, server_cert);
 158     ossl_cmp_mock_srv_set1_caPubsOut(fixture->srv_ctx, fixture->caPubs);
 159     EXECUTE_TEST(execute_exec_certrequest_ses_test, tear_down);
 160     return result;
 161 }
 162
 163 static const int checkAfter = 1;
 164 static int test_exec_IR_ses_poll(void)
 165 {
 166     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 167     fixture->req_type = OSSL_CMP_IR;
 168     fixture->expected = 1;
 169     ossl_cmp_mock_srv_set_pollCount(fixture->srv_ctx, 2);
 170     ossl_cmp_mock_srv_set_checkAfterTime(fixture->srv_ctx, checkAfter);
 171     EXECUTE_TEST(execute_exec_certrequest_ses_test, tear_down);
 172     /* TODO: check that 2 rounds are done or session takes 2..3 seconds */
 173     return result;
 174 }
 175
 176 static int test_exec_IR_ses_poll_timeout(void)
 177 {
 178     const int pollCount = 3;
 179     const int tout = pollCount * checkAfter;
 180
 181     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 182     fixture->req_type = OSSL_CMP_IR;
 183     fixture->expected = 0;
 184     ossl_cmp_mock_srv_set_pollCount(fixture->srv_ctx, pollCount + 1);
 185     ossl_cmp_mock_srv_set_checkAfterTime(fixture->srv_ctx, checkAfter);
 186     OSSL_CMP_CTX_set_option(fixture->cmp_ctx, OSSL_CMP_OPT_TOTAL_TIMEOUT, tout);
 187     EXECUTE_TEST(execute_exec_certrequest_ses_test, tear_down);
 188     return result;
 189 }
 190
 191
 192 static int test_exec_CR_ses(void)
 193 {
 194     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 195     fixture->req_type = OSSL_CMP_CR;
 196     fixture->expected = 1;
 197     EXECUTE_TEST(execute_exec_certrequest_ses_test, tear_down);
 198     return result;
 199 }
 200
 201 static int test_exec_CR_ses_implicit_confirm(void)
 202 {
 203     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 204     fixture->req_type = OSSL_CMP_CR;
 205     fixture->expected = 1;
 206     OSSL_CMP_CTX_set_option(fixture->cmp_ctx,
 207                             OSSL_CMP_OPT_IMPLICIT_CONFIRM, 1);
 208     OSSL_CMP_SRV_CTX_set_grant_implicit_confirm(fixture->srv_ctx, 1);
 209     EXECUTE_TEST(execute_exec_certrequest_ses_test, tear_down);
 210     return result;
 211 }
 212
 213 static int test_exec_KUR_ses(void)
 214 {
 215     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 216     fixture->req_type = OSSL_CMP_KUR;
 217     fixture->expected = 1;
 218     EXECUTE_TEST(execute_exec_certrequest_ses_test, tear_down);
 219     return result;
 220 }
 221
 222 static int test_exec_P10CR_ses(void)
 223 {
 224     X509_REQ *req = NULL;
 225
 226     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 227     fixture->req_type = OSSL_CMP_P10CR;
 228     fixture->expected = 1;
 229     if (!TEST_ptr(req = load_csr(pkcs10_f))
 230             || !TEST_true(OSSL_CMP_CTX_set1_p10CSR(fixture->cmp_ctx, req))) {
 231         tear_down(fixture);
 232         fixture = NULL;
 233     }
 234     X509_REQ_free(req);
 235     EXECUTE_TEST(execute_exec_certrequest_ses_test, tear_down);
 236     return result;
 237 }
 238
 239 static int execute_try_certreq_poll_test(CMP_SES_TEST_FIXTURE *fixture)
 240 {
 241     OSSL_CMP_CTX *ctx = fixture->cmp_ctx;
 242     int check_after;
 243     const int CHECK_AFTER = 5;
 244     const int TYPE = OSSL_CMP_KUR;
 245
 246     ossl_cmp_mock_srv_set_pollCount(fixture->srv_ctx, 3);
 247     ossl_cmp_mock_srv_set_checkAfterTime(fixture->srv_ctx, CHECK_AFTER);
 248     return TEST_int_eq(-1, OSSL_CMP_try_certreq(ctx, TYPE, NULL, &check_after))
 249         && check_after == CHECK_AFTER
 250         && TEST_ptr_eq(OSSL_CMP_CTX_get0_newCert(ctx), NULL)
 251         && TEST_int_eq(-1, OSSL_CMP_try_certreq(ctx, TYPE, NULL, &check_after))
 252         && check_after == CHECK_AFTER
 253         && TEST_ptr_eq(OSSL_CMP_CTX_get0_newCert(ctx), NULL)
 254         && TEST_int_eq(fixture->expected,
 255                        OSSL_CMP_try_certreq(ctx, TYPE, NULL, NULL))
 256         && TEST_int_eq(0,
 257                        X509_cmp(OSSL_CMP_CTX_get0_newCert(ctx), client_cert));
 258 }
 259
 260 static int test_try_certreq_poll(void)
 261 {
 262     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 263     fixture->expected = 1;
 264     EXECUTE_TEST(execute_try_certreq_poll_test, tear_down);
 265     return result;
 266 }
 267
 268 static int execute_try_certreq_poll_abort_test(CMP_SES_TEST_FIXTURE *fixture)
 269 {
 270     OSSL_CMP_CTX *ctx = fixture->cmp_ctx;
 271     int check_after;
 272     const int CHECK_AFTER = INT_MAX;
 273     const int TYPE = OSSL_CMP_CR;
 274
 275     ossl_cmp_mock_srv_set_pollCount(fixture->srv_ctx, 3);
 276     ossl_cmp_mock_srv_set_checkAfterTime(fixture->srv_ctx, CHECK_AFTER);
 277     return TEST_int_eq(-1, OSSL_CMP_try_certreq(ctx, TYPE, NULL, &check_after))
 278         && check_after == CHECK_AFTER
 279         && TEST_ptr_eq(OSSL_CMP_CTX_get0_newCert(ctx), NULL)
 280         && TEST_int_eq(fixture->expected,
 281                        OSSL_CMP_try_certreq(ctx, -1, NULL, NULL))
 282         && TEST_ptr_eq(OSSL_CMP_CTX_get0_newCert(fixture->cmp_ctx), NULL);
 283 }
 284
 285 static int test_try_certreq_poll_abort(void)
 286 {
 287     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 288     fixture->expected = 1;
 289     EXECUTE_TEST(execute_try_certreq_poll_abort_test, tear_down);
 290     return result;
 291 }
 292
 293 static int test_exec_GENM_ses(void)
 294 {
 295     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 296     EXECUTE_TEST(execute_exec_GENM_ses_test, tear_down);
 297     return result;
 298 }
 299
 300 static int execute_exchange_certConf_test(CMP_SES_TEST_FIXTURE *fixture)
 301 {
 302     int res =
 303         ossl_cmp_exchange_certConf(fixture->cmp_ctx,
 304                                    OSSL_CMP_PKIFAILUREINFO_addInfoNotAvailable,
 305                                    "abcdefg");
 306     return TEST_int_eq(fixture->expected, res);
 307 }
 308
 309 static int execute_exchange_error_test(CMP_SES_TEST_FIXTURE *fixture)
 310 {
 311     int res =
 312         ossl_cmp_exchange_error(fixture->cmp_ctx,
 313                                 OSSL_CMP_PKISTATUS_rejection,
 314                                 1 << OSSL_CMP_PKIFAILUREINFO_unsupportedVersion,
 315                                 "foo_status", 999, "foo_details");
 316
 317     return TEST_int_eq(fixture->expected, res);
 318 }
 319
 320 static int test_exchange_certConf(void)
 321 {
 322     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 323     fixture->expected = 0; /* client should not send certConf immediately */
 324     if (!ossl_cmp_ctx_set0_newCert(fixture->cmp_ctx, X509_dup(client_cert))) {
 325         tear_down(fixture);
 326         fixture = NULL;
 327     }
 328     EXECUTE_TEST(execute_exchange_certConf_test, tear_down);
 329     return result;
 330 }
 331
 332 static int test_exchange_error(void)
 333 {
 334     SETUP_TEST_FIXTURE(CMP_SES_TEST_FIXTURE, set_up);
 335     fixture->expected = 1; /* client may send error any time */
 336     EXECUTE_TEST(execute_exchange_error_test, tear_down);
 337     return result;
 338 }
 339
 340 void cleanup_tests(void)
 341 {
 342     X509_free(server_cert);
 343     EVP_PKEY_free(server_key);
 344     X509_free(client_cert);
 345     EVP_PKEY_free(client_key);
 346     OPENSSL_CTX_free(libctx);
 347     return;
 348 }
 349
 350 # define USAGE "server.key server.crt client.key client.crt client.csr module_name [module_conf_file]\n"
 351 OPT_TEST_DECLARE_USAGE(USAGE)
 352
 353 int setup_tests(void)
 354 {
 355     if (!test_skip_common_options()) {
 356         TEST_error("Error parsing test options\n");
 357         return 0;
 358     }
 359
 360     if (!TEST_ptr(server_key_f = test_get_argument(0))
 361             || !TEST_ptr(server_cert_f = test_get_argument(1))
 362             || !TEST_ptr(client_key_f = test_get_argument(2))
 363             || !TEST_ptr(client_cert_f = test_get_argument(3))
 364             || !TEST_ptr(pkcs10_f = test_get_argument(4))) {
 365         TEST_error("usage: cmp_client_test %s", USAGE);
 366         return 0;
 367     }
 368
 369     if (!test_get_libctx(&libctx, &default_null_provider, &provider, 5, USAGE))
 370         return 0;
 371
 372     if (!TEST_ptr(server_key = load_pem_key(server_key_f, libctx))
 373             || !TEST_ptr(server_cert = load_pem_cert(server_cert_f, libctx))
 374             || !TEST_ptr(client_key = load_pem_key(client_key_f, libctx))
 375             || !TEST_ptr(client_cert = load_pem_cert(client_cert_f, libctx))
 376             || !TEST_int_eq(1, RAND_bytes_ex(libctx, ref, sizeof(ref)))) {
 377         cleanup_tests();
 378         return 0;
 379     }
 380
 381     ADD_TEST(test_exec_RR_ses);
 382     ADD_TEST(test_exec_RR_ses_receive_error);
 383     ADD_TEST(test_exec_CR_ses);
 384     ADD_TEST(test_exec_CR_ses_implicit_confirm);
 385     ADD_TEST(test_exec_IR_ses);
 386     ADD_TEST(test_exec_IR_ses_poll);
 387     ADD_TEST(test_exec_IR_ses_poll_timeout);
 388     ADD_TEST(test_exec_KUR_ses);
 389     ADD_TEST(test_exec_P10CR_ses);
 390     ADD_TEST(test_try_certreq_poll);
 391     ADD_TEST(test_try_certreq_poll_abort);
 392     ADD_TEST(test_exec_GENM_ses);
 393     ADD_TEST(test_exchange_certConf);
 394     ADD_TEST(test_exchange_error);
 395     return 1;
 396 }
 397
 398 #else /* !defined (NDEBUG) */
 399
 400 int setup_tests(void)
 401 {
 402     TEST_note("CMP session tests are disabled in this build (NDEBUG).");
 403     return 1;
 404 }
 405
 406 #endif