1# $OpenBSD: tlsfuzzer.py,v 1.11 2020/06/24 07:29:21 tb Exp $ 2# 3# Copyright (c) 2020 Theo Buehler <tb@openbsd.org> 4# 5# Permission to use, copy, modify, and distribute this software for any 6# purpose with or without fee is hereby granted, provided that the above 7# copyright notice and this permission notice appear in all copies. 8# 9# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 17import getopt 18import os 19import subprocess 20import sys 21from timeit import default_timer as timer 22 23tlsfuzzer_scriptdir = "/usr/local/share/tlsfuzzer/scripts/" 24 25class Test: 26 """ 27 Represents a tlsfuzzer test script. 28 name: the script's name 29 args: arguments to feed to the script 30 tls12_args: override args for a TLSv1.2 server 31 tls13_args: override args for a TLSv1.3 server 32 33 XXX Add client cert support. 34 """ 35 def __init__(self, name="", args=[], tls12_args=[], tls13_args=[]): 36 self.name = name 37 self.tls12_args = args 38 self.tls13_args = args 39 if tls12_args: 40 self.tls12_args = tls12_args 41 if tls13_args: 42 self.tls13_args = tls13_args 43 44 def args(self, has_tls1_3: True): 45 if has_tls1_3: 46 return self.tls13_args 47 else: 48 return self.tls12_args 49 50 def __repr__(self): 51 return "<Test: %s tls12_args: %s tls13_args: %s>" % ( 52 self.name, self.tls12_args, tls13_args 53 ) 54 55class TestGroup: 56 """ A group of Test objects to be run by TestRunner.""" 57 def __init__(self, title="Tests", tests=[]): 58 self.title = title 59 self.tests = tests 60 61 def __iter__(self): 62 return iter(self.tests) 63 64# argument to pass to several tests 65tls13_unsupported_ciphers = [ 66 "-e", "TLS 1.3 with ffdhe2048", 67 "-e", "TLS 1.3 with ffdhe3072", 68 "-e", "TLS 1.3 with secp521r1", # XXX: why is this curve problematic? 69 "-e", "TLS 1.3 with x448", 70] 71 72tls13_tests = TestGroup("TLSv1.3 tests", [ 73 Test("test-tls13-ccs.py"), 74 Test("test-tls13-conversation.py"), 75 Test("test-tls13-count-tickets.py"), 76 Test("test-tls13-empty-alert.py"), 77 Test("test-tls13-finished-plaintext.py"), 78 Test("test-tls13-hrr.py"), 79 Test("test-tls13-keyshare-omitted.py"), 80 Test("test-tls13-legacy-version.py"), 81 Test("test-tls13-nociphers.py"), 82 Test("test-tls13-record-padding.py"), 83 Test("test-tls13-shuffled-extentions.py"), 84 85 # The skipped tests fail due to a bug in BIO_gets() which masks the retry 86 # signalled from an SSL_read() failure. Testing with httpd(8) shows we're 87 # handling these corner cases correctly since tls13_record_layer.c -r1.47. 88 Test("test-tls13-zero-length-data.py", [ 89 "-e", "zero-length app data", 90 "-e", "zero-length app data with large padding", 91 "-e", "zero-length app data with padding", 92 ]), 93]) 94 95# Tests that take a lot of time (> ~30s on an x280) 96tls13_slow_tests = TestGroup("slow TLSv1.3 tests", [ 97 # XXX: Investigate the occasional message 98 # "Got shared secret with 1 most significant bytes equal to zero." 99 Test("test-tls13-dhe-shared-secret-padding.py", tls13_unsupported_ciphers), 100 101 Test("test-tls13-invalid-ciphers.py"), 102 Test("test-tls13-serverhello-random.py", tls13_unsupported_ciphers), 103 104 # Mark two tests cases as xfail for now. The tests expect an arguably 105 # correct decode_error while we send a decrypt_error (like fizz/boring). 106 Test("test-tls13-record-layer-limits.py", [ 107 "-x", "max size payload (2**14) of Finished msg, with 16348 bytes of left padding, cipher TLS_AES_128_GCM_SHA256", 108 "-x", "max size payload (2**14) of Finished msg, with 16348 bytes of left padding, cipher TLS_CHACHA20_POLY1305_SHA256", 109 ]), 110]) 111 112tls13_extra_cert_tests = TestGroup("TLSv1.3 certificate tests", [ 113 # need to set up client certs to run these 114 Test("test-tls13-certificate-request.py"), 115 Test("test-tls13-certificate-verify.py"), 116 Test("test-tls13-ecdsa-in-certificate-verify.py"), 117 118 # Test expects the server to have installed three certificates: 119 # with P-256, P-384 and P-521 curve. Also SHA1+ECDSA is verified 120 # to not work. 121 Test("test-tls13-ecdsa-support.py"), 122]) 123 124tls13_failing_tests = TestGroup("failing TLSv1.3 tests", [ 125 # Some tests fail because we fail later than the scripts expect us to. 126 # With X25519, we accept weak peer public keys and fail when we actually 127 # compute the keyshare. Other tests seem to indicate that we could be 128 # stricter about what keyshares we accept. 129 Test("test-tls13-crfg-curves.py"), 130 Test("test-tls13-ecdhe-curves.py"), 131 132 # https://github.com/openssl/openssl/issues/8369 133 Test("test-tls13-obsolete-curves.py"), 134 135 # 3 failing rsa_pss_pss tests 136 Test("test-tls13-rsa-signatures.py"), 137 138 # AssertionError: Unexpected message from peer: ChangeCipherSpec() 139 # Most failing tests expect the CCS right before finished. 140 # What's up with that? 141 Test("test-tls13-version-negotiation.py"), 142]) 143 144tls13_slow_failing_tests = TestGroup("slow, failing TLSv1.3 tests", [ 145 # Other test failures bugs in keyshare/tlsext negotiation? 146 Test("test-tls13-unrecognised-groups.py"), # unexpected closure 147 148 # 5 failures: 149 # 'app data split, conversation with KeyUpdate msg' 150 # 'fragmented keyupdate msg' 151 # 'multiple KeyUpdate messages' 152 # 'post-handshake KeyUpdate msg with update_not_request' 153 # 'post-handshake KeyUpdate msg with update_request' 154 Test("test-tls13-keyupdate.py"), 155 156 Test("test-tls13-symetric-ciphers.py"), # unexpected message from peer 157 158 # 70 fail and 644 pass. For some reason the tests expect a decode_error 159 # but we send a decrypt_error after the CBS_mem_equal() fails in 160 # tls13_server_finished_recv() (which is correct). 161 Test("test-tls13-finished.py"), # decrypt_error -> decode_error? 162 163 # The following two tests fail Test (skip empty extensions for the first one): 164 # 'empty unassigned extensions, ids in range from 2 to 4118' 165 # 'unassigned extensions with random payload, ids in range from 2 to 1046' 166 Test("test-tls13-large-number-of-extensions.py"), # 2 fail: empty/random payload 167 168 # 6 tests fail: 'rsa_pkcs1_{md5,sha{1,224,256,384,512}} signature' 169 # We send server hello, but the test expects handshake_failure 170 Test("test-tls13-pkcs-signature.py"), 171 # 8 tests fail: 'tls13 signature rsa_pss_{pss,rsae}_sha{256,384,512} 172 Test("test-tls13-rsapss-signatures.py"), 173 174 # ExpectNewSessionTicket 175 Test("test-tls13-session-resumption.py"), 176]) 177 178tls13_unsupported_tests = TestGroup("TLSv1.3 tests for unsupported features", [ 179 # Tests for features we don't support 180 Test("test-tls13-0rtt-garbage.py"), 181 Test("test-tls13-ffdhe-groups.py"), 182 Test("test-tls13-ffdhe-sanity.py"), 183 Test("test-tls13-psk_dhe_ke.py"), 184 Test("test-tls13-psk_ke.py"), 185 186 # need server to react to HTTP GET for /keyupdate 187 Test("test-tls13-keyupdate-from-server.py"), 188 189 # Weird test: tests servers that don't support 1.3 190 Test("test-tls13-non-support.py"), 191 192 # broken test script 193 # UnboundLocalError: local variable 'cert' referenced before assignment 194 Test("test-tls13-post-handshake-auth.py"), 195 196 # Server must be configured to support only rsa_pss_rsae_sha512 197 Test("test-tls13-signature-algorithms.py"), 198]) 199 200tls12_exclude_legacy_protocols = [ 201 # all these have BIO_read timeouts against TLSv1.3 202 "-e", "Protocol (3, 0)", 203 "-e", "Protocol (3, 0) in SSLv2 compatible ClientHello", 204 # the following only fail with TLSv1.3 205 "-e", "Protocol (3, 1) in SSLv2 compatible ClientHello", 206 "-e", "Protocol (3, 2) in SSLv2 compatible ClientHello", 207 "-e", "Protocol (3, 3) in SSLv2 compatible ClientHello", 208 "-e", "Protocol (3, 1) with secp521r1 group", # XXX 209 "-e", "Protocol (3, 1) with x448 group", 210 "-e", "Protocol (3, 2) with secp521r1 group", # XXX 211 "-e", "Protocol (3, 2) with x448 group", 212 "-e", "Protocol (3, 3) with secp521r1 group", # XXX 213 "-e", "Protocol (3, 3) with x448 group", 214] 215 216tls12_tests = TestGroup("TLSv1.2 tests", [ 217 # Tests that pass as they are. 218 Test("test-TLSv1_2-rejected-without-TLSv1_2.py"), 219 Test("test-aes-gcm-nonces.py"), 220 Test("test-chacha20.py"), 221 Test("test-conversation.py"), 222 Test("test-cve-2016-2107.py"), 223 Test("test-dhe-rsa-key-exchange.py"), 224 Test("test-dhe-rsa-key-exchange-with-bad-messages.py"), 225 Test("test-early-application-data.py"), 226 Test("test-empty-extensions.py"), 227 Test("test-fuzzed-MAC.py"), 228 Test("test-fuzzed-ciphertext.py"), 229 Test("test-fuzzed-finished.py"), 230 Test("test-fuzzed-padding.py"), 231 Test("test-hello-request-by-client.py"), 232 Test("test-invalid-cipher-suites.py"), 233 Test("test-invalid-content-type.py"), 234 Test("test-invalid-session-id.py"), 235 Test("test-invalid-version.py"), 236 Test("test-lucky13.py"), 237 Test("test-message-skipping.py"), 238 Test("test-no-heartbeat.py"), 239 Test("test-sessionID-resumption.py"), 240 Test("test-sslv2-connection.py"), 241 Test("test-truncating-of-finished.py"), 242 Test("test-truncating-of-kRSA-client-key-exchange.py"), 243 Test("test-unsupported-curve-fallback.py"), 244 Test("test-version-numbers.py"), 245 Test("test-zero-length-data.py"), 246 247 # Tests that need tweaking for unsupported features and ciphers. 248 Test( 249 "test-atypical-padding.py", [ 250 "-e", "sanity - encrypt then MAC", 251 "-e", "2^14 bytes of AppData with 256 bytes of padding (SHA1 + Encrypt then MAC)", 252 ] 253 ), 254 Test( 255 "test-dhe-rsa-key-exchange-signatures.py", [ 256 "-e", "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA sha224 signature", 257 "-e", "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 sha224 signature", 258 "-e", "TLS_DHE_RSA_WITH_AES_128_CBC_SHA sha224 signature", 259 "-e", "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 sha224 signature", 260 "-e", "TLS_DHE_RSA_WITH_AES_256_CBC_SHA sha224 signature", 261 ] 262 ), 263 Test("test-dhe-key-share-random.py", tls12_exclude_legacy_protocols), 264 Test("test-export-ciphers-rejected.py", ["--min-ver", "TLSv1.0"]), 265 Test( 266 "test-downgrade-protection.py", 267 tls12_args = ["--server-max-protocol", "TLSv1.2"], 268 tls13_args = ["--server-max-protocol", "TLSv1.3"], 269 ), 270 Test("test-fallback-scsv.py", tls13_args = ["--tls-1.3"] ), 271 Test("test-serverhello-random.py", args = tls12_exclude_legacy_protocols), 272]) 273 274tls12_slow_tests = TestGroup("slow TLSv1.2 tests", [ 275 Test("test-cve-2016-7054.py"), 276 Test("test-dhe-no-shared-secret-padding.py", tls12_exclude_legacy_protocols), 277 Test("test-ecdhe-padded-shared-secret.py", tls12_exclude_legacy_protocols), 278 Test("test-ecdhe-rsa-key-share-random.py", tls12_exclude_legacy_protocols), 279 # This test has some failures once in a while. 280 Test("test-fuzzed-plaintext.py"), 281]) 282 283tls12_failing_tests = TestGroup("failing TLSv1.2 tests", [ 284 # no shared cipher 285 Test("test-aesccm.py"), 286 # need server to set up alpn 287 Test("test-alpn-negotiation.py"), 288 # many tests fail due to unexpected server_name extension 289 Test("test-bleichenbacher-workaround.py"), 290 291 # need client key and cert plus extra server setup 292 Test("test-certificate-malformed.py"), 293 Test("test-certificate-request.py"), 294 Test("test-certificate-verify-malformed-sig.py"), 295 Test("test-certificate-verify-malformed.py"), 296 Test("test-certificate-verify.py"), 297 Test("test-ecdsa-in-certificate-verify.py"), 298 Test("test-renegotiation-disabled-client-cert.py"), 299 Test("test-rsa-pss-sigs-on-certificate-verify.py"), 300 Test("test-rsa-sigs-on-certificate-verify.py"), 301 302 # test doesn't expect session ticket 303 Test("test-client-compatibility.py"), 304 # abrupt closure 305 Test("test-client-hello-max-size.py"), 306 # unknown signature algorithms 307 Test("test-clienthello-md5.py"), 308 # abrupt closure 309 Test("test-cve-2016-6309.py"), 310 311 # Tests expect an illegal_parameter alert 312 Test("test-ecdhe-rsa-key-exchange-with-bad-messages.py"), 313 314 # We send a handshake_failure while the test expects to succeed 315 Test("test-ecdhe-rsa-key-exchange.py"), 316 317 # unsupported? 318 Test("test-extended-master-secret-extension-with-client-cert.py"), 319 320 # no shared cipher 321 Test("test-ecdsa-sig-flexibility.py"), 322 323 # unsupported 324 Test("test-encrypt-then-mac-renegotiation.py"), 325 Test("test-encrypt-then-mac.py"), 326 Test("test-extended-master-secret-extension.py"), 327 Test("test-ffdhe-expected-params.py"), 328 Test("test-ffdhe-negotiation.py"), 329 # unsupported. Expects the server to send the heartbeat extension 330 Test("test-heartbeat.py"), 331 332 # 29 succeed, 263 fail: 333 # 'n extensions', 'n extensions last empty' n in 4086, 4096, 8192, 16383 334 # 'fuzz ext length to n' n in [0..255] with the exception of 41... 335 Test("test-extensions.py"), 336 337 # Tests expect SH but we send unexpected_message or handshake_failure 338 # 'Application data inside Client Hello' 339 # 'Application data inside Client Key Exchange' 340 # 'Application data inside Finished' 341 Test("test-interleaved-application-data-and-fragmented-handshakes-in-renegotiation.py"), 342 # Tests expect SH but we send handshake_failure 343 # 'Application data before Change Cipher Spec' 344 # 'Application data before Client Key Exchange' 345 # 'Application data before Finished' 346 Test("test-interleaved-application-data-in-renegotiation.py"), 347 348 # broken test script 349 # TypeError: '<' not supported between instances of 'int' and 'NoneType' 350 Test("test-invalid-client-hello-w-record-overflow.py"), 351 352 # Lots of failures. abrupt closure 353 Test("test-invalid-client-hello.py"), 354 355 # Test expects illegal_parameter, we send decode_error in ssl_srvr.c:1016 356 # Need to check that this is correct. 357 Test("test-invalid-compression-methods.py"), 358 359 # abrupt closure 360 # 'encrypted premaster set to all zero (n)' n in 256 384 512 361 Test("test-invalid-rsa-key-exchange-messages.py"), 362 363 # test expects illegal_parameter, we send unrecognized_name (which seems 364 # correct according to rfc 6066?) 365 Test("test-invalid-server-name-extension-resumption.py"), 366 # let through some server names without sending an alert 367 # again illegal_parameter vs unrecognized_name 368 Test("test-invalid-server-name-extension.py"), 369 370 Test("test-large-hello.py"), 371 372 # 14 pass 373 # 7 fail 374 # 'n extensions', n in 4095, 4096, 4097, 8191, 8192, 8193, 16383, 375 Test("test-large-number-of-extensions.py"), 376 377 # 4 failures: 378 # 'insecure (legacy) renegotiation with GET after 2nd handshake' 379 # 'insecure (legacy) renegotiation with incomplete GET' 380 # 'secure renegotiation with GET after 2nd handshake' 381 # 'secure renegotiation with incomplete GET' 382 Test("test-legacy-renegotiation.py"), 383 384 # 1 failure (timeout): we don't send the unexpected_message alert 385 # 'duplicate change cipher spec after Finished' 386 Test("test-message-duplication.py"), 387 388 # server should send status_request 389 Test("test-ocsp-stapling.py"), 390 391 # unexpected closure 392 Test("test-openssl-3712.py"), 393 394 # 3 failures: 395 # 'big, needs fragmentation: max fragment - 16336B extension' 396 # 'big, needs fragmentation: max fragment - 32768B extension' 397 # 'maximum size: max fragment - 65531B extension' 398 Test("test-record-layer-fragmentation.py"), 399 400 # wants --reply-AD-size 401 Test("test-record-size-limit.py"), 402 403 # failed: 3 (expect an alert, we send AD) 404 # 'try insecure (legacy) renegotiation with incomplete GET' 405 # 'try secure renegotiation with GET after 2nd CH' 406 # 'try secure renegotiation with incomplete GET' 407 Test("test-renegotiation-disabled.py"), 408 409 # 'resumption of safe session with NULL cipher' 410 # 'resumption with cipher from old CH but not selected by server' 411 Test("test-resumption-with-wrong-ciphers.py"), 412 413 # 5 failures: 414 # 'empty sigalgs' 415 # 'only undefined sigalgs' 416 # 'rsa_pss_pss_sha256 only' 417 # 'rsa_pss_pss_sha384 only' 418 # 'rsa_pss_pss_sha512 only' 419 Test("test-sig-algs.py"), 420 421 # 13 failures: 422 # 'duplicated n non-rsa schemes' for n in 202 2342 8119 23741 32744 423 # 'empty list of signature methods' 424 # 'tolerance n RSA or ECDSA methods' for n in 215 2355 8132 23754 425 # 'tolerance 32758 methods with sig_alg_cert' 426 # 'tolerance max 32744 number of methods with sig_alg_cert' 427 # 'tolerance max (32760) number of methods' 428 Test("test-signature-algorithms.py"), 429 430 # times out 431 Test("test-ssl-death-alert.py"), 432 433 # 17 pass, 13 fail. padding and truncation 434 Test("test-truncating-of-client-hello.py"), 435 436 # x448 tests need disabling plus x25519 corner cases need sorting out 437 Test("test-x25519.py"), 438]) 439 440tls12_unsupported_tests = TestGroup("TLSv1.2 for unsupported features", [ 441 # protocol_version 442 Test("test-SSLv3-padding.py"), 443 # we don't do RSA key exchanges 444 Test("test-bleichenbacher-timing.py"), 445]) 446 447# These tests take a ton of time to fail against an 1.3 server, 448# so don't run them against 1.3 pending further investigation. 449legacy_tests = TestGroup("Legacy protocol tests", [ 450 Test("test-sslv2-force-cipher-3des.py"), 451 Test("test-sslv2-force-cipher-non3des.py"), 452 Test("test-sslv2-force-cipher.py"), 453 Test("test-sslv2-force-export-cipher.py"), 454 Test("test-sslv2hello-protocol.py"), 455]) 456 457all_groups = [ 458 tls13_tests, 459 tls13_slow_tests, 460 tls13_extra_cert_tests, 461 tls13_failing_tests, 462 tls13_slow_failing_tests, 463 tls13_unsupported_tests, 464 tls12_tests, 465 tls12_slow_tests, 466 tls12_failing_tests, 467 tls12_unsupported_tests, 468 legacy_tests, 469] 470 471failing_groups = [ 472 tls13_failing_tests, 473 tls13_slow_failing_tests, 474 tls12_failing_tests, 475] 476 477class TestRunner: 478 """ Runs the given tests troups against a server and displays stats. """ 479 480 def __init__( 481 self, timing=False, verbose=False, port=4433, use_tls1_3=True, 482 dry_run=False, tests=[], scriptdir=tlsfuzzer_scriptdir, 483 ): 484 self.tests = [] 485 486 self.dryrun = dry_run 487 self.use_tls1_3 = use_tls1_3 488 self.port = str(port) 489 self.scriptdir = scriptdir 490 491 self.stats = [] 492 self.failed = [] 493 494 self.timing = timing 495 self.verbose = verbose 496 497 def add(self, title="tests", tests=[]): 498 # tests.sort(key=lambda test: test.name) 499 self.tests.append(TestGroup(title, tests)) 500 501 def add_group(self, group): 502 self.tests.append(group) 503 504 def run_script(self, test): 505 script = test.name 506 args = ["-p"] + [self.port] + test.args(self.use_tls1_3) 507 508 if self.dryrun: 509 if not self.verbose: 510 args = [] 511 print(script , end=' ' if args else '') 512 print(' '.join([f"\"{arg}\"" for arg in args])) 513 return 514 515 if self.verbose: 516 print(script) 517 else: 518 print(f"{script[:68]:<72}", end=" ", flush=True) 519 start = timer() 520 test = subprocess.run( 521 ["python3", os.path.join(self.scriptdir, script)] + args, 522 capture_output=not self.verbose, 523 text=True, 524 ) 525 end = timer() 526 self.stats.append((script, end - start)) 527 if test.returncode == 0: 528 print("OK") 529 return 530 print("FAILED") 531 self.failed.append(script) 532 533 if self.verbose: 534 return 535 536 print('\n'.join(test.stdout.split("Test end\n", 1)[1:]), end="") 537 538 def run(self): 539 for group in self: 540 print(f"Running {group.title} ...") 541 for test in group: 542 self.run_script(test) 543 return not self.failed 544 545 def __iter__(self): 546 return iter(self.tests) 547 548 def __del__(self): 549 if self.timing and self.stats: 550 total = 0.0 551 for (script, time) in self.stats: 552 print(f"{round(time, 2):6.2f} {script}") 553 total += time 554 print(f"{round(total, 2):6.2f} total") 555 556 if self.failed: 557 print("Failed tests:") 558 print('\n'.join(self.failed)) 559 560class TlsServer: 561 """ Spawns an s_server listening on localhost:port if necessary. """ 562 563 def __init__(self, port=4433): 564 self.spawn = True 565 # Check whether a server is already listening on localhost:port 566 self.spawn = subprocess.run( 567 ["nc", "-c", "-z", "-T", "noverify", "localhost", str(port)], 568 stderr=subprocess.DEVNULL, 569 ).returncode != 0 570 571 if self.spawn: 572 self.server = subprocess.Popen( 573 [ 574 "openssl", 575 "s_server", 576 "-accept", 577 str(port), 578 "-key", 579 "localhost.key", 580 "-cert", 581 "localhost.crt", 582 "-www", 583 ], 584 stdout=subprocess.DEVNULL, 585 stderr=subprocess.PIPE, 586 text=True, 587 ) 588 589 # Check whether the server talks TLSv1.3 590 self.has_tls1_3 = True or subprocess.run( 591 [ 592 "nc", 593 "-c", 594 "-z", 595 "-T", 596 "noverify", 597 "-T", 598 "protocols=TLSv1.3", 599 "localhost", 600 str(port), 601 ], 602 stderr=subprocess.DEVNULL, 603 ).returncode == 0 604 605 self.check() 606 607 def check(self): 608 if self.spawn and self.server.poll() is not None: 609 print(self.server.stderr.read()) 610 raise RuntimeError( 611 f"openssl s_server died. Return code: {self.server.returncode}." 612 ) 613 if self.spawn: 614 self.server.stderr.detach() 615 616 def __del__(self): 617 if self.spawn: 618 self.server.terminate() 619 620# Extract the arguments we pass to script 621def defaultargs(script, has_tls1_3): 622 return next( 623 (test for group in all_groups for test in group if test.name == script), 624 Test() 625 ).args(has_tls1_3) 626 627def list_or_missing(missing=True): 628 tests = [test.name for group in all_groups for test in group] 629 630 if missing: 631 scripts = { 632 f for f in os.listdir(tlsfuzzer_scriptdir) if f != "__pycache__" 633 } 634 missing = scripts - set(tests) 635 if missing: 636 print('\n'.join(sorted(missing))) 637 exit(0) 638 639 tests.sort() 640 print('\n'.join(tests)) 641 exit(0) 642 643def usage(): 644 print("Usage: python3 tlsfuzzer.py [-lmnstv] [-p port] [script [test...]]") 645 print(" --help help") 646 print(" -f run failing tests") 647 print(" -l list tests") 648 print(" -m list new tests after package update") 649 print(" -n do not run tests, but list the ones that would be run") 650 print(" -p port connect to this port - defaults to 4433") 651 print(" -s run slow tests") 652 print(" -t show timing stats at end") 653 print(" -v verbose output") 654 exit(0) 655 656def main(): 657 failing = False 658 list = False 659 missing = False 660 dryrun = False 661 port = 4433 662 slow = False 663 timing = False 664 verbose = False 665 666 argv = sys.argv[1:] 667 opts, args = getopt.getopt(argv, "flmnp:stv", ["help"]) 668 for opt, arg in opts: 669 if opt == '--help': 670 usage() 671 elif opt == '-f': 672 failing = True 673 elif opt == '-l': 674 list = True 675 elif opt == '-m': 676 missing = True 677 elif opt == '-n': 678 dryrun = True 679 elif opt == '-p': 680 port = int(arg) 681 elif opt == '-s': 682 slow = True 683 elif opt == '-t': 684 timing = True 685 elif opt == '-v': 686 verbose = True 687 else: 688 raise ValueError(f"Unknown option: {opt}") 689 690 if not os.path.exists(tlsfuzzer_scriptdir): 691 print("package py3-tlsfuzzer is required for this regress") 692 exit(1) 693 694 if list and failing: 695 failing = [test.name for group in failing_groups for test in group] 696 failing.sort() 697 print('\n'.join(failing)) 698 exit(0) 699 700 if list or missing: 701 list_or_missing(missing) 702 703 tls_server = TlsServer(port) 704 705 tests = TestRunner(timing, verbose, port, tls_server.has_tls1_3, dryrun) 706 707 if args: 708 (dir, script) = os.path.split(args[0]) 709 if dir and not dir == '.': 710 tests.scriptdir = dir 711 712 testargs = defaultargs(script, tls_server.has_tls1_3) 713 714 tests.verbose = True 715 tests.add("test from command line", [Test(script, testargs + args[1:])]) 716 717 exit(not tests.run()) 718 719 if failing: 720 if tls_server.has_tls1_3: 721 tests.add_group(tls13_failing_tests) 722 if slow: 723 tests.add_group(tls13_slow_failing_tests) 724 tests.add_group(tls12_failing_tests) 725 726 if tls_server.has_tls1_3: 727 tests.add_group(tls13_tests) 728 if slow: 729 tests.add_group(tls13_slow_tests) 730 else: 731 tests.add_group(legacy_tests) 732 733 tests.add_group(tls12_tests) 734 if slow: 735 tests.add_group(tls12_slow_tests) 736 737 success = tests.run() 738 del tests 739 740 if not success: 741 print("FAILED") 742 exit(1) 743 744if __name__ == "__main__": 745 main() 746