1# $OpenBSD: tlsfuzzer.py,v 1.18 2020/09/25 06:34:59 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 x448", 69] 70 71tls13_tests = TestGroup("TLSv1.3 tests", [ 72 Test("test-tls13-ccs.py"), 73 Test("test-tls13-conversation.py"), 74 Test("test-tls13-count-tickets.py"), 75 Test("test-tls13-empty-alert.py"), 76 Test("test-tls13-finished-plaintext.py"), 77 Test("test-tls13-hrr.py"), 78 Test("test-tls13-keyshare-omitted.py"), 79 Test("test-tls13-legacy-version.py"), 80 Test("test-tls13-nociphers.py"), 81 Test("test-tls13-record-padding.py"), 82 Test("test-tls13-shuffled-extentions.py"), 83 Test("test-tls13-zero-content-type.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 # We don't accept an empty ECPF extension since it must advertise the 111 # uncompressed point format. Exclude this extension type from the test. 112 Test( 113 "test-tls13-large-number-of-extensions.py", 114 tls13_args = ["--exc", "11"], 115 ), 116]) 117 118tls13_extra_cert_tests = TestGroup("TLSv1.3 certificate tests", [ 119 # need to set up client certs to run these 120 Test("test-tls13-certificate-request.py"), 121 Test("test-tls13-certificate-verify.py"), 122 Test("test-tls13-ecdsa-in-certificate-verify.py"), 123 124 # Test expects the server to have installed three certificates: 125 # with P-256, P-384 and P-521 curve. Also SHA1+ECDSA is verified 126 # to not work. 127 Test("test-tls13-ecdsa-support.py"), 128]) 129 130tls13_failing_tests = TestGroup("failing TLSv1.3 tests", [ 131 # Some tests fail because we fail later than the scripts expect us to. 132 # With X25519, we accept weak peer public keys and fail when we actually 133 # compute the keyshare. Other tests seem to indicate that we could be 134 # stricter about what keyshares we accept. 135 Test("test-tls13-crfg-curves.py"), 136 Test("test-tls13-ecdhe-curves.py"), 137 138 # https://github.com/openssl/openssl/issues/8369 139 Test("test-tls13-obsolete-curves.py"), 140 141 # 3 failing rsa_pss_pss tests 142 Test("test-tls13-rsa-signatures.py"), 143 144 # AssertionError: Unexpected message from peer: ChangeCipherSpec() 145 # Most failing tests expect the CCS right before finished. 146 # What's up with that? 147 Test("test-tls13-version-negotiation.py"), 148]) 149 150tls13_slow_failing_tests = TestGroup("slow, failing TLSv1.3 tests", [ 151 # Other test failures bugs in keyshare/tlsext negotiation? 152 Test("test-tls13-unrecognised-groups.py"), # unexpected closure 153 154 # 5 failures: 155 # 'app data split, conversation with KeyUpdate msg' 156 # 'fragmented keyupdate msg' 157 # 'multiple KeyUpdate messages' 158 # 'post-handshake KeyUpdate msg with update_not_request' 159 # 'post-handshake KeyUpdate msg with update_request' 160 Test("test-tls13-keyupdate.py"), 161 162 Test("test-tls13-symetric-ciphers.py"), # unexpected message from peer 163 164 # 70 fail and 644 pass. For some reason the tests expect a decode_error 165 # but we send a decrypt_error after the CBS_mem_equal() fails in 166 # tls13_server_finished_recv() (which is correct). 167 Test("test-tls13-finished.py"), # decrypt_error -> decode_error? 168 169 # 6 tests fail: 'rsa_pkcs1_{md5,sha{1,224,256,384,512}} signature' 170 # We send server hello, but the test expects handshake_failure 171 Test("test-tls13-pkcs-signature.py"), 172 # 8 tests fail: 'tls13 signature rsa_pss_{pss,rsae}_sha{256,384,512} 173 Test("test-tls13-rsapss-signatures.py"), 174]) 175 176tls13_unsupported_tests = TestGroup("TLSv1.3 tests for unsupported features", [ 177 # Tests for features we don't support 178 Test("test-tls13-0rtt-garbage.py"), 179 Test("test-tls13-ffdhe-groups.py"), 180 Test("test-tls13-ffdhe-sanity.py"), 181 Test("test-tls13-psk_dhe_ke.py"), 182 Test("test-tls13-psk_ke.py"), 183 184 # need server to react to HTTP GET for /keyupdate 185 Test("test-tls13-keyupdate-from-server.py"), 186 187 # Weird test: tests servers that don't support 1.3 188 Test("test-tls13-non-support.py"), 189 190 # broken test script 191 # UnboundLocalError: local variable 'cert' referenced before assignment 192 Test("test-tls13-post-handshake-auth.py"), 193 194 # ExpectNewSessionTicket 195 Test("test-tls13-session-resumption.py"), 196 197 # Server must be configured to support only rsa_pss_rsae_sha512 198 Test("test-tls13-signature-algorithms.py"), 199]) 200 201tls12_exclude_legacy_protocols = [ 202 # all these have BIO_read timeouts against TLSv1.3 203 "-e", "Protocol (3, 0)", 204 "-e", "Protocol (3, 0) in SSLv2 compatible ClientHello", 205 # the following only fail with TLSv1.3 206 "-e", "Protocol (3, 1) in SSLv2 compatible ClientHello", 207 "-e", "Protocol (3, 2) in SSLv2 compatible ClientHello", 208 "-e", "Protocol (3, 3) in SSLv2 compatible ClientHello", 209 "-e", "Protocol (3, 1) with x448 group", 210 "-e", "Protocol (3, 2) with x448 group", 211 "-e", "Protocol (3, 3) with x448 group", 212] 213 214tls12_tests = TestGroup("TLSv1.2 tests", [ 215 # Tests that pass as they are. 216 Test("test-TLSv1_2-rejected-without-TLSv1_2.py"), 217 Test("test-aes-gcm-nonces.py"), 218 Test("test-chacha20.py"), 219 Test("test-conversation.py"), 220 Test("test-cve-2016-2107.py"), 221 Test("test-dhe-rsa-key-exchange.py"), 222 Test("test-dhe-rsa-key-exchange-with-bad-messages.py"), 223 Test("test-early-application-data.py"), 224 Test("test-empty-extensions.py"), 225 Test("test-fuzzed-MAC.py"), 226 Test("test-fuzzed-ciphertext.py"), 227 Test("test-fuzzed-finished.py"), 228 Test("test-fuzzed-padding.py"), 229 Test("test-hello-request-by-client.py"), 230 Test("test-invalid-cipher-suites.py"), 231 Test("test-invalid-content-type.py"), 232 Test("test-invalid-session-id.py"), 233 Test("test-invalid-version.py"), 234 Test("test-lucky13.py"), 235 Test("test-message-skipping.py"), 236 Test("test-no-heartbeat.py"), 237 Test("test-sessionID-resumption.py"), 238 Test("test-sslv2-connection.py"), 239 Test("test-truncating-of-finished.py"), 240 Test("test-truncating-of-kRSA-client-key-exchange.py"), 241 Test("test-unsupported-curve-fallback.py"), 242 Test("test-version-numbers.py"), 243 Test("test-zero-length-data.py"), 244 245 # Tests that need tweaking for unsupported features and ciphers. 246 Test( 247 "test-atypical-padding.py", [ 248 "-e", "sanity - encrypt then MAC", 249 "-e", "2^14 bytes of AppData with 256 bytes of padding (SHA1 + Encrypt then MAC)", 250 ] 251 ), 252 Test( 253 "test-dhe-rsa-key-exchange-signatures.py", [ 254 "-e", "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA sha224 signature", 255 "-e", "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 sha224 signature", 256 "-e", "TLS_DHE_RSA_WITH_AES_128_CBC_SHA sha224 signature", 257 "-e", "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 sha224 signature", 258 "-e", "TLS_DHE_RSA_WITH_AES_256_CBC_SHA sha224 signature", 259 ] 260 ), 261 Test("test-dhe-key-share-random.py", tls12_exclude_legacy_protocols), 262 Test("test-export-ciphers-rejected.py", ["--min-ver", "TLSv1.0"]), 263 Test( 264 "test-downgrade-protection.py", 265 tls12_args = ["--server-max-protocol", "TLSv1.2"], 266 tls13_args = ["--server-max-protocol", "TLSv1.3"], 267 ), 268 Test("test-fallback-scsv.py", tls13_args = ["--tls-1.3"] ), 269 Test("test-serverhello-random.py", args = tls12_exclude_legacy_protocols), 270]) 271 272tls12_slow_tests = TestGroup("slow TLSv1.2 tests", [ 273 Test("test-cve-2016-7054.py"), 274 Test("test-dhe-no-shared-secret-padding.py", tls12_exclude_legacy_protocols), 275 Test("test-ecdhe-padded-shared-secret.py", tls12_exclude_legacy_protocols), 276 Test("test-ecdhe-rsa-key-share-random.py", tls12_exclude_legacy_protocols), 277 # This test has some failures once in a while. 278 Test("test-fuzzed-plaintext.py"), 279]) 280 281tls12_failing_tests = TestGroup("failing TLSv1.2 tests", [ 282 # no shared cipher 283 Test("test-aesccm.py"), 284 # need server to set up alpn 285 Test("test-alpn-negotiation.py"), 286 # many tests fail due to unexpected server_name extension 287 Test("test-bleichenbacher-workaround.py"), 288 289 # need client key and cert plus extra server setup 290 Test("test-certificate-malformed.py"), 291 Test("test-certificate-request.py"), 292 Test("test-certificate-verify-malformed-sig.py"), 293 Test("test-certificate-verify-malformed.py"), 294 Test("test-certificate-verify.py"), 295 Test("test-ecdsa-in-certificate-verify.py"), 296 Test("test-renegotiation-disabled-client-cert.py"), 297 Test("test-rsa-pss-sigs-on-certificate-verify.py"), 298 Test("test-rsa-sigs-on-certificate-verify.py"), 299 300 # test doesn't expect session ticket 301 Test("test-client-compatibility.py"), 302 # abrupt closure 303 Test("test-client-hello-max-size.py"), 304 # unknown signature algorithms 305 Test("test-clienthello-md5.py"), 306 # abrupt closure 307 Test("test-cve-2016-6309.py"), 308 309 # Tests expect an illegal_parameter alert 310 Test("test-ecdhe-rsa-key-exchange-with-bad-messages.py"), 311 312 # We send a handshake_failure while the test expects to succeed 313 Test("test-ecdhe-rsa-key-exchange.py"), 314 315 # unsupported? 316 Test("test-extended-master-secret-extension-with-client-cert.py"), 317 318 # no shared cipher 319 Test("test-ecdsa-sig-flexibility.py"), 320 321 # unsupported 322 Test("test-encrypt-then-mac-renegotiation.py"), 323 Test("test-encrypt-then-mac.py"), 324 Test("test-extended-master-secret-extension.py"), 325 Test("test-ffdhe-expected-params.py"), 326 Test("test-ffdhe-negotiation.py"), 327 # unsupported. Expects the server to send the heartbeat extension 328 Test("test-heartbeat.py"), 329 330 # 29 succeed, 263 fail: 331 # 'n extensions', 'n extensions last empty' n in 4086, 4096, 8192, 16383 332 # 'fuzz ext length to n' n in [0..255] with the exception of 41... 333 Test("test-extensions.py"), 334 335 # Tests expect SH but we send unexpected_message or handshake_failure 336 # 'Application data inside Client Hello' 337 # 'Application data inside Client Key Exchange' 338 # 'Application data inside Finished' 339 Test("test-interleaved-application-data-and-fragmented-handshakes-in-renegotiation.py"), 340 # Tests expect SH but we send handshake_failure 341 # 'Application data before Change Cipher Spec' 342 # 'Application data before Client Key Exchange' 343 # 'Application data before Finished' 344 Test("test-interleaved-application-data-in-renegotiation.py"), 345 346 # broken test script 347 # TypeError: '<' not supported between instances of 'int' and 'NoneType' 348 Test("test-invalid-client-hello-w-record-overflow.py"), 349 350 # Lots of failures. abrupt closure 351 Test("test-invalid-client-hello.py"), 352 353 # Test expects illegal_parameter, we send decode_error in ssl_srvr.c:1016 354 # Need to check that this is correct. 355 Test("test-invalid-compression-methods.py"), 356 357 # abrupt closure 358 # 'encrypted premaster set to all zero (n)' n in 256 384 512 359 Test("test-invalid-rsa-key-exchange-messages.py"), 360 361 # test expects illegal_parameter, we send unrecognized_name (which seems 362 # correct according to rfc 6066?) 363 Test("test-invalid-server-name-extension-resumption.py"), 364 # let through some server names without sending an alert 365 # again illegal_parameter vs unrecognized_name 366 Test("test-invalid-server-name-extension.py"), 367 368 Test("test-large-hello.py"), 369 370 # 14 pass 371 # 7 fail 372 # 'n extensions', n in 4095, 4096, 4097, 8191, 8192, 8193, 16383, 373 Test("test-large-number-of-extensions.py"), 374 375 # 4 failures: 376 # 'insecure (legacy) renegotiation with GET after 2nd handshake' 377 # 'insecure (legacy) renegotiation with incomplete GET' 378 # 'secure renegotiation with GET after 2nd handshake' 379 # 'secure renegotiation with incomplete GET' 380 Test("test-legacy-renegotiation.py"), 381 382 # 1 failure (timeout): we don't send the unexpected_message alert 383 # 'duplicate change cipher spec after Finished' 384 Test("test-message-duplication.py"), 385 386 # server should send status_request 387 Test("test-ocsp-stapling.py"), 388 389 # unexpected closure 390 Test("test-openssl-3712.py"), 391 392 # 3 failures: 393 # 'big, needs fragmentation: max fragment - 16336B extension' 394 # 'big, needs fragmentation: max fragment - 32768B extension' 395 # 'maximum size: max fragment - 65531B extension' 396 Test("test-record-layer-fragmentation.py"), 397 398 # wants --reply-AD-size 399 Test("test-record-size-limit.py"), 400 401 # failed: 3 (expect an alert, we send AD) 402 # 'try insecure (legacy) renegotiation with incomplete GET' 403 # 'try secure renegotiation with GET after 2nd CH' 404 # 'try secure renegotiation with incomplete GET' 405 Test("test-renegotiation-disabled.py"), 406 407 # 'resumption of safe session with NULL cipher' 408 # 'resumption with cipher from old CH but not selected by server' 409 Test("test-resumption-with-wrong-ciphers.py"), 410 411 # 5 failures: 412 # 'empty sigalgs' 413 # 'only undefined sigalgs' 414 # 'rsa_pss_pss_sha256 only' 415 # 'rsa_pss_pss_sha384 only' 416 # 'rsa_pss_pss_sha512 only' 417 Test("test-sig-algs.py"), 418 419 # 13 failures: 420 # 'duplicated n non-rsa schemes' for n in 202 2342 8119 23741 32744 421 # 'empty list of signature methods' 422 # 'tolerance n RSA or ECDSA methods' for n in 215 2355 8132 23754 423 # 'tolerance 32758 methods with sig_alg_cert' 424 # 'tolerance max 32744 number of methods with sig_alg_cert' 425 # 'tolerance max (32760) number of methods' 426 Test("test-signature-algorithms.py"), 427 428 # times out 429 Test("test-ssl-death-alert.py"), 430 431 # 17 pass, 13 fail. padding and truncation 432 Test("test-truncating-of-client-hello.py"), 433 434 # x448 tests need disabling plus x25519 corner cases need sorting out 435 Test("test-x25519.py"), 436]) 437 438tls12_unsupported_tests = TestGroup("TLSv1.2 for unsupported features", [ 439 # protocol_version 440 Test("test-SSLv3-padding.py"), 441 # we don't do RSA key exchanges 442 Test("test-bleichenbacher-timing.py"), 443]) 444 445# These tests take a ton of time to fail against an 1.3 server, 446# so don't run them against 1.3 pending further investigation. 447legacy_tests = TestGroup("Legacy protocol tests", [ 448 Test("test-sslv2-force-cipher-3des.py"), 449 Test("test-sslv2-force-cipher-non3des.py"), 450 Test("test-sslv2-force-cipher.py"), 451 Test("test-sslv2-force-export-cipher.py"), 452 Test("test-sslv2hello-protocol.py"), 453]) 454 455all_groups = [ 456 tls13_tests, 457 tls13_slow_tests, 458 tls13_extra_cert_tests, 459 tls13_failing_tests, 460 tls13_slow_failing_tests, 461 tls13_unsupported_tests, 462 tls12_tests, 463 tls12_slow_tests, 464 tls12_failing_tests, 465 tls12_unsupported_tests, 466 legacy_tests, 467] 468 469failing_groups = [ 470 tls13_failing_tests, 471 tls13_slow_failing_tests, 472 tls12_failing_tests, 473] 474 475class TestRunner: 476 """ Runs the given tests troups against a server and displays stats. """ 477 478 def __init__( 479 self, timing=False, verbose=False, port=4433, use_tls1_3=True, 480 dry_run=False, tests=[], scriptdir=tlsfuzzer_scriptdir, 481 ): 482 self.tests = [] 483 484 self.dryrun = dry_run 485 self.use_tls1_3 = use_tls1_3 486 self.port = str(port) 487 self.scriptdir = scriptdir 488 489 self.stats = [] 490 self.failed = [] 491 self.missing = [] 492 493 self.timing = timing 494 self.verbose = verbose 495 496 def add(self, title="tests", tests=[]): 497 # tests.sort(key=lambda test: test.name) 498 self.tests.append(TestGroup(title, tests)) 499 500 def add_group(self, group): 501 self.tests.append(group) 502 503 def run_script(self, test): 504 script = test.name 505 args = ["-p"] + [self.port] + test.args(self.use_tls1_3) 506 507 if self.dryrun: 508 if not self.verbose: 509 args = [] 510 print(script , end=' ' if args else '') 511 print(' '.join([f"\"{arg}\"" for arg in args])) 512 return 513 514 if self.verbose: 515 print(script) 516 else: 517 print(f"{script[:68]:<72}", end=" ", flush=True) 518 start = timer() 519 scriptpath = os.path.join(self.scriptdir, script) 520 if not os.path.exists(scriptpath): 521 self.missing.append(script) 522 print("MISSING") 523 return 524 test = subprocess.run( 525 ["python3", scriptpath] + args, 526 capture_output=not self.verbose, 527 text=True, 528 ) 529 end = timer() 530 self.stats.append((script, end - start)) 531 if test.returncode == 0: 532 print("OK") 533 return 534 print("FAILED") 535 self.failed.append(script) 536 537 if self.verbose: 538 return 539 540 print('\n'.join(test.stdout.split("Test end\n", 1)[1:]), end="") 541 542 def run(self): 543 for group in self: 544 print(f"Running {group.title} ...") 545 for test in group: 546 self.run_script(test) 547 return not self.failed 548 549 def __iter__(self): 550 return iter(self.tests) 551 552 def __del__(self): 553 if self.timing and self.stats: 554 total = 0.0 555 for (script, time) in self.stats: 556 print(f"{round(time, 2):6.2f} {script}") 557 total += time 558 print(f"{round(total, 2):6.2f} total") 559 560 if self.failed: 561 print("Failed tests:") 562 print('\n'.join(self.failed)) 563 564 if self.missing: 565 print("Missing tests (outdated package?):") 566 print('\n'.join(self.missing)) 567 568class TlsServer: 569 """ Spawns an s_server listening on localhost:port if necessary. """ 570 571 def __init__(self, port=4433): 572 self.spawn = True 573 # Check whether a server is already listening on localhost:port 574 self.spawn = subprocess.run( 575 ["nc", "-c", "-z", "-T", "noverify", "localhost", str(port)], 576 stderr=subprocess.DEVNULL, 577 ).returncode != 0 578 579 if self.spawn: 580 self.server = subprocess.Popen( 581 [ 582 "openssl", 583 "s_server", 584 "-accept", 585 str(port), 586 "-groups", 587 "X25519:P-256:P-521:P-384", 588 "-key", 589 "localhost.key", 590 "-cert", 591 "localhost.crt", 592 "-www", 593 ], 594 stdout=subprocess.DEVNULL, 595 stderr=subprocess.PIPE, 596 text=True, 597 ) 598 599 # Check whether the server talks TLSv1.3 600 self.has_tls1_3 = True or subprocess.run( 601 [ 602 "nc", 603 "-c", 604 "-z", 605 "-T", 606 "noverify", 607 "-T", 608 "protocols=TLSv1.3", 609 "localhost", 610 str(port), 611 ], 612 stderr=subprocess.DEVNULL, 613 ).returncode == 0 614 615 self.check() 616 617 def check(self): 618 if self.spawn and self.server.poll() is not None: 619 print(self.server.stderr.read()) 620 raise RuntimeError( 621 f"openssl s_server died. Return code: {self.server.returncode}." 622 ) 623 if self.spawn: 624 self.server.stderr.detach() 625 626 def __del__(self): 627 if self.spawn: 628 self.server.terminate() 629 630# Extract the arguments we pass to script 631def defaultargs(script, has_tls1_3): 632 return next( 633 (test for group in all_groups for test in group if test.name == script), 634 Test() 635 ).args(has_tls1_3) 636 637def list_or_missing(missing=True): 638 tests = [test.name for group in all_groups for test in group] 639 640 if missing: 641 scripts = { 642 f for f in os.listdir(tlsfuzzer_scriptdir) if f != "__pycache__" 643 } 644 missing = scripts - set(tests) 645 if missing: 646 print('\n'.join(sorted(missing))) 647 exit(0) 648 649 tests.sort() 650 print('\n'.join(tests)) 651 exit(0) 652 653def usage(): 654 print("Usage: python3 tlsfuzzer.py [-lmnstv] [-p port] [script [test...]]") 655 print(" --help help") 656 print(" -f run failing tests") 657 print(" -l list tests") 658 print(" -m list new tests after package update") 659 print(" -n do not run tests, but list the ones that would be run") 660 print(" -p port connect to this port - defaults to 4433") 661 print(" -s run slow tests") 662 print(" -t show timing stats at end") 663 print(" -v verbose output") 664 exit(0) 665 666def main(): 667 failing = False 668 list = False 669 missing = False 670 dryrun = False 671 port = 4433 672 slow = False 673 timing = False 674 verbose = False 675 676 argv = sys.argv[1:] 677 opts, args = getopt.getopt(argv, "flmnp:stv", ["help"]) 678 for opt, arg in opts: 679 if opt == '--help': 680 usage() 681 elif opt == '-f': 682 failing = True 683 elif opt == '-l': 684 list = True 685 elif opt == '-m': 686 missing = True 687 elif opt == '-n': 688 dryrun = True 689 elif opt == '-p': 690 port = int(arg) 691 elif opt == '-s': 692 slow = True 693 elif opt == '-t': 694 timing = True 695 elif opt == '-v': 696 verbose = True 697 else: 698 raise ValueError(f"Unknown option: {opt}") 699 700 if not os.path.exists(tlsfuzzer_scriptdir): 701 print("package py3-tlsfuzzer is required for this regress") 702 exit(1) 703 704 if list and failing: 705 failing = [test.name for group in failing_groups for test in group] 706 failing.sort() 707 print('\n'.join(failing)) 708 exit(0) 709 710 if list or missing: 711 list_or_missing(missing) 712 713 tls_server = TlsServer(port) 714 715 tests = TestRunner(timing, verbose, port, tls_server.has_tls1_3, dryrun) 716 717 if args: 718 (dir, script) = os.path.split(args[0]) 719 if dir and not dir == '.': 720 tests.scriptdir = dir 721 722 testargs = defaultargs(script, tls_server.has_tls1_3) 723 724 tests.verbose = True 725 tests.add("test from command line", [Test(script, testargs + args[1:])]) 726 727 exit(not tests.run()) 728 729 if failing: 730 if tls_server.has_tls1_3: 731 tests.add_group(tls13_failing_tests) 732 if slow: 733 tests.add_group(tls13_slow_failing_tests) 734 tests.add_group(tls12_failing_tests) 735 736 if tls_server.has_tls1_3: 737 tests.add_group(tls13_tests) 738 if slow: 739 tests.add_group(tls13_slow_tests) 740 else: 741 tests.add_group(legacy_tests) 742 743 tests.add_group(tls12_tests) 744 if slow: 745 tests.add_group(tls12_slow_tests) 746 747 success = tests.run() 748 del tests 749 750 if not success: 751 print("FAILED") 752 exit(1) 753 754if __name__ == "__main__": 755 main() 756