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source: vbox/trunk/src/libs/openssl-3.1.5/test/recipes/70-test_sslsigalgs.t@ 105770

Last change on this file since 105770 was 104078, checked in by vboxsync, 8 months ago

openssl-3.1.5: Applied and adjusted our OpenSSL changes to 3.1.4. bugref:10638
File size: 18.3 KB
Line 
1#! /usr/bin/env perl
2# Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
3#
4# Licensed under the Apache License 2.0 (the "License"). You may not use
5# this file except in compliance with the License. You can obtain a copy
6# in the file LICENSE in the source distribution or at
7# https://www.openssl.org/source/license.html
8
9use strict;
10use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
11use OpenSSL::Test::Utils;
12use TLSProxy::Proxy;
13
14my $test_name = "test_sslsigalgs";
15setup($test_name);
16
17plan skip_all => "TLSProxy isn't usable on $^O"
18 if $^O =~ /^(VMS)$/;
19
20plan skip_all => "$test_name needs the dynamic engine feature enabled"
21 if disabled("engine") || disabled("dynamic-engine");
22
23plan skip_all => "$test_name needs the sock feature enabled"
24 if disabled("sock");
25
26plan skip_all => "$test_name needs TLS1.2 or TLS1.3 enabled"
27 if disabled("tls1_2") && disabled("tls1_3");
28
29$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
30my $proxy = TLSProxy::Proxy->new(
31 undef,
32 cmdstr(app(["openssl"]), display => 1),
33 srctop_file("apps", "server.pem"),
34 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
35);
36
37use constant {
38 NO_SIG_ALGS_EXT => 0,
39 EMPTY_SIG_ALGS_EXT => 1,
40 NO_KNOWN_SIG_ALGS => 2,
41 NO_PSS_SIG_ALGS => 3,
42 PSS_ONLY_SIG_ALGS => 4,
43 PURE_SIGALGS => 5,
44 COMPAT_SIGALGS => 6,
45 SIGALGS_CERT_ALL => 7,
46 SIGALGS_CERT_PKCS => 8,
47 SIGALGS_CERT_INVALID => 9,
48 UNRECOGNIZED_SIGALGS_CERT => 10,
49 UNRECOGNIZED_SIGALG => 11
50};
51
52#Note: Throughout this test we override the default ciphersuites where TLSv1.2
53# is expected to ensure that a ServerKeyExchange message is sent that uses
54# the sigalgs
55
56#Test 1: Default sig algs should succeed
57$proxy->clientflags("-no_tls1_3") if disabled("ec") && disabled("dh");
58$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
59plan tests => 26;
60ok(TLSProxy::Message->success, "Default sigalgs");
61my $testtype;
62
63SKIP: {
64 skip "TLSv1.3 disabled", 6
65 if disabled("tls1_3") || (disabled("ec") && disabled("dh"));
66
67 $proxy->filter(\&sigalgs_filter);
68
69 #Test 2: Sending no sig algs extension in TLSv1.3 should fail
70 $proxy->clear();
71 $testtype = NO_SIG_ALGS_EXT;
72 $proxy->start();
73 ok(TLSProxy::Message->fail, "No TLSv1.3 sigalgs");
74
75 #Test 3: Sending an empty sig algs extension in TLSv1.3 should fail
76 $proxy->clear();
77 $testtype = EMPTY_SIG_ALGS_EXT;
78 $proxy->start();
79 ok(TLSProxy::Message->fail, "Empty TLSv1.3 sigalgs");
80
81 #Test 4: Sending a list with no recognised sig algs in TLSv1.3 should fail
82 $proxy->clear();
83 $testtype = NO_KNOWN_SIG_ALGS;
84 $proxy->start();
85 ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");
86
87 #Test 5: Sending a sig algs list without pss for an RSA cert in TLSv1.3
88 # should fail
89 $proxy->clear();
90 $testtype = NO_PSS_SIG_ALGS;
91 $proxy->start();
92 ok(TLSProxy::Message->fail, "No PSS TLSv1.3 sigalgs");
93
94 #Test 6: Sending only TLSv1.3 PSS sig algs in TLSv1.3 should succeed
95 #TODO(TLS1.3): Do we need to verify the cert to make sure its a PSS only
96 #cert in this case?
97 $proxy->clear();
98 $testtype = PSS_ONLY_SIG_ALGS;
99 $proxy->start();
100 ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.3");
101
102 #Test 7: Modify the CertificateVerify sigalg from rsa_pss_rsae_sha256 to
103 # rsa_pss_pss_sha256. This should fail because the public key OID
104 # in the certificate is rsaEncryption and not rsassaPss
105 $proxy->filter(\&modify_cert_verify_sigalg);
106 $proxy->clear();
107 $proxy->start();
108 ok(TLSProxy::Message->fail,
109 "Mismatch between CertVerify sigalg and public key OID");
110}
111
112SKIP: {
113 skip "EC or TLSv1.3 disabled", 1
114 if disabled("tls1_3") || disabled("ec");
115 #Test 8: Sending a valid sig algs list but not including a sig type that
116 # matches the certificate should fail in TLSv1.3.
117 $proxy->clear();
118 $proxy->clientflags("-sigalgs ECDSA+SHA256");
119 $proxy->filter(undef);
120 $proxy->start();
121 ok(TLSProxy::Message->fail, "No matching TLSv1.3 sigalgs");
122}
123
124SKIP: {
125 skip "EC, TLSv1.3 or TLSv1.2 disabled", 1
126 if disabled("tls1_2") || disabled("tls1_3") || disabled("ec");
127
128 #Test 9: Sending a full list of TLSv1.3 sig algs but negotiating TLSv1.2
129 # should succeed
130 $proxy->clear();
131 $proxy->serverflags("-no_tls1_3");
132 $proxy->ciphers("ECDHE-RSA-AES128-SHA");
133 $proxy->filter(undef);
134 $proxy->start();
135 ok(TLSProxy::Message->success, "TLSv1.3 client TLSv1.2 server");
136}
137
138SKIP: {
139 skip "EC or TLSv1.2 disabled", 10 if disabled("tls1_2") || disabled("ec");
140
141 $proxy->filter(\&sigalgs_filter);
142
143 #Test 10: Sending no sig algs extension in TLSv1.2 will make it use
144 # SHA1, which is only supported at security level 0.
145 $proxy->clear();
146 $testtype = NO_SIG_ALGS_EXT;
147 $proxy->clientflags("-no_tls1_3 -cipher DEFAULT:\@SECLEVEL=0");
148 $proxy->ciphers("ECDHE-RSA-AES128-SHA:\@SECLEVEL=0");
149 $proxy->start();
150 ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs seclevel 0");
151
152 #Test 11: Sending no sig algs extension in TLSv1.2 should fail at security
153 # level 1 since it will try to use SHA1. Testing client at level 0,
154 # server level 1.
155 $proxy->clear();
156 $testtype = NO_SIG_ALGS_EXT;
157 $proxy->clientflags("-tls1_2 -cipher DEFAULT:\@SECLEVEL=0");
158 $proxy->ciphers("DEFAULT:\@SECLEVEL=1");
159 $proxy->start();
160 ok(TLSProxy::Message->fail, "No TLSv1.2 sigalgs server seclevel 1");
161
162 #Test 12: Sending no sig algs extension in TLSv1.2 should fail at security
163 # level 1 since it will try to use SHA1. Testing client at level 1,
164 # server level 0.
165 $proxy->clear();
166 $testtype = NO_SIG_ALGS_EXT;
167 $proxy->clientflags("-tls1_2 -cipher DEFAULT:\@SECLEVEL=1");
168 $proxy->ciphers("DEFAULT:\@SECLEVEL=0");
169 $proxy->start();
170 ok(TLSProxy::Message->fail, "No TLSv1.2 sigalgs client seclevel 2");
171
172 #Test 13: Sending an empty sig algs extension in TLSv1.2 should fail
173 $proxy->clear();
174 $testtype = EMPTY_SIG_ALGS_EXT;
175 $proxy->clientflags("-no_tls1_3");
176 $proxy->ciphers("ECDHE-RSA-AES128-SHA");
177 $proxy->start();
178 ok(TLSProxy::Message->fail, "Empty TLSv1.2 sigalgs");
179
180 #Test 14: Sending a list with no recognised sig algs in TLSv1.2 should fail
181 $proxy->clear();
182 $testtype = NO_KNOWN_SIG_ALGS;
183 $proxy->clientflags("-no_tls1_3");
184 $proxy->ciphers("ECDHE-RSA-AES128-SHA");
185 $proxy->start();
186 ok(TLSProxy::Message->fail, "No known TLSv1.3 sigalgs");
187
188 #Test 15: Sending a sig algs list without pss for an RSA cert in TLSv1.2
189 # should succeed
190 $proxy->clear();
191 $testtype = NO_PSS_SIG_ALGS;
192 $proxy->clientflags("-no_tls1_3");
193 $proxy->ciphers("ECDHE-RSA-AES128-SHA");
194 $proxy->start();
195 ok(TLSProxy::Message->success, "No PSS TLSv1.2 sigalgs");
196
197 #Test 16: Sending only TLSv1.3 PSS sig algs in TLSv1.2 should succeed
198 $proxy->clear();
199 $testtype = PSS_ONLY_SIG_ALGS;
200 $proxy->serverflags("-no_tls1_3");
201 $proxy->ciphers("ECDHE-RSA-AES128-SHA");
202 $proxy->start();
203 ok(TLSProxy::Message->success, "PSS only sigalgs in TLSv1.2");
204
205 #Test 17: Responding with a sig alg we did not send in TLSv1.2 should fail
206 # We send rsa_pkcs1_sha256 and respond with rsa_pss_rsae_sha256
207 # TODO(TLS1.3): Add a similar test to the TLSv1.3 section above
208 # when we have an API capable of configuring the TLSv1.3 sig algs
209 $proxy->clear();
210 $testtype = PSS_ONLY_SIG_ALGS;
211 $proxy->clientflags("-no_tls1_3 -sigalgs RSA+SHA256");
212 $proxy->ciphers("ECDHE-RSA-AES128-SHA");
213 $proxy->start();
214 ok(TLSProxy::Message->fail, "Sigalg we did not send in TLSv1.2");
215
216 #Test 18: Sending a valid sig algs list but not including a sig type that
217 # matches the certificate should fail in TLSv1.2
218 $proxy->clear();
219 $proxy->clientflags("-no_tls1_3 -sigalgs ECDSA+SHA256");
220 $proxy->ciphers("ECDHE-RSA-AES128-SHA");
221 $proxy->filter(undef);
222 $proxy->start();
223 ok(TLSProxy::Message->fail, "No matching TLSv1.2 sigalgs");
224 $proxy->filter(\&sigalgs_filter);
225
226 #Test 19: No sig algs extension, ECDSA cert, will use SHA1,
227 # TLSv1.2 should succeed at security level 0
228 $proxy->clear();
229 $testtype = NO_SIG_ALGS_EXT;
230 $proxy->clientflags("-no_tls1_3 -cipher DEFAULT:\@SECLEVEL=0");
231 $proxy->serverflags("-cert " . srctop_file("test", "certs",
232 "server-ecdsa-cert.pem") .
233 " -key " . srctop_file("test", "certs",
234 "server-ecdsa-key.pem")),
235 $proxy->ciphers("ECDHE-ECDSA-AES128-SHA:\@SECLEVEL=0");
236 $proxy->start();
237 ok(TLSProxy::Message->success, "No TLSv1.2 sigalgs, ECDSA");
238}
239
240my ($dsa_status, $sha1_status, $sha224_status);
241SKIP: {
242 skip "TLSv1.3 disabled", 2
243 if disabled("tls1_3")
244 || disabled("dsa")
245 || (disabled("ec") && disabled("dh"));
246 #Test 20: signature_algorithms with 1.3-only ClientHello
247 $testtype = PURE_SIGALGS;
248 $dsa_status = $sha1_status = $sha224_status = 0;
249 $proxy->clear();
250 $proxy->clientflags("-tls1_3");
251 $proxy->filter(\&modify_sigalgs_filter);
252 $proxy->start();
253 ok($dsa_status && $sha1_status && $sha224_status,
254 "DSA and SHA1 sigalgs not sent for 1.3-only ClientHello");
255
256 #Test 21: signature_algorithms with backwards compatible ClientHello
257 SKIP: {
258 skip "TLSv1.2 disabled", 1 if disabled("tls1_2");
259 $testtype = COMPAT_SIGALGS;
260 $dsa_status = $sha1_status = $sha224_status = 0;
261 $proxy->clear();
262 $proxy->clientflags("-cipher AES128-SHA\@SECLEVEL=0");
263 $proxy->filter(\&modify_sigalgs_filter);
264 $proxy->start();
265 ok($dsa_status && $sha1_status && $sha224_status,
266 "backwards compatible sigalg sent for compat ClientHello");
267 }
268}
269
270SKIP: {
271 skip "TLSv1.3 disabled", 5
272 if disabled("tls1_3") || (disabled("ec") && disabled("dh"));
273 #Test 22: Insert signature_algorithms_cert that match normal sigalgs
274 $testtype = SIGALGS_CERT_ALL;
275 $proxy->clear();
276 $proxy->filter(\&modify_sigalgs_cert_filter);
277 $proxy->start();
278 ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3");
279
280 #Test 23: Insert signature_algorithms_cert that forces PKCS#1 cert
281 $testtype = SIGALGS_CERT_PKCS;
282 $proxy->clear();
283 $proxy->filter(\&modify_sigalgs_cert_filter);
284 $proxy->start();
285 ok(TLSProxy::Message->success, "sigalgs_cert in TLSv1.3 with PKCS#1 cert");
286
287 #Test 24: Insert signature_algorithms_cert that fails
288 $testtype = SIGALGS_CERT_INVALID;
289 $proxy->clear();
290 $proxy->filter(\&modify_sigalgs_cert_filter);
291 $proxy->start();
292 ok(TLSProxy::Message->fail, "No matching certificate for sigalgs_cert");
293
294 #Test 25: Send an unrecognized signature_algorithms_cert
295 # We should be able to skip over the unrecognized value and use a
296 # valid one that appears later in the list.
297 $proxy->clear();
298 $proxy->filter(\&inject_unrecognized_sigalg);
299 $proxy->clientflags("-tls1_3");
300 # Use -xcert to get SSL_check_chain() to run in the cert_cb. This is
301 # needed to trigger (e.g.) CVE-2020-1967
302 $proxy->serverflags("" .
303 " -xcert " . srctop_file("test", "certs", "servercert.pem") .
304 " -xkey " . srctop_file("test", "certs", "serverkey.pem") .
305 " -xchain " . srctop_file("test", "certs", "rootcert.pem"));
306 $testtype = UNRECOGNIZED_SIGALGS_CERT;
307 $proxy->start();
308 ok(TLSProxy::Message->success(), "Unrecognized sigalg_cert in ClientHello");
309
310 #Test 26: Send an unrecognized signature_algorithms
311 # We should be able to skip over the unrecognized value and use a
312 # valid one that appears later in the list.
313 $proxy->clear();
314 $proxy->filter(\&inject_unrecognized_sigalg);
315 $proxy->clientflags("-tls1_3");
316 $proxy->serverflags("" .
317 " -xcert " . srctop_file("test", "certs", "servercert.pem") .
318 " -xkey " . srctop_file("test", "certs", "serverkey.pem") .
319 " -xchain " . srctop_file("test", "certs", "rootcert.pem"));
320 $testtype = UNRECOGNIZED_SIGALG;
321 $proxy->start();
322 ok(TLSProxy::Message->success(), "Unrecognized sigalg in ClientHello");
323}
324
325
326
327sub sigalgs_filter
328{
329 my $proxy = shift;
330
331 # We're only interested in the initial ClientHello
332 if ($proxy->flight != 0) {
333 return;
334 }
335
336 foreach my $message (@{$proxy->message_list}) {
337 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
338 if ($testtype == NO_SIG_ALGS_EXT) {
339 $message->delete_extension(TLSProxy::Message::EXT_SIG_ALGS);
340 } else {
341 my $sigalg;
342 if ($testtype == EMPTY_SIG_ALGS_EXT) {
343 $sigalg = pack "C2", 0x00, 0x00;
344 } elsif ($testtype == NO_KNOWN_SIG_ALGS) {
345 $sigalg = pack "C4", 0x00, 0x02, 0xff, 0xff;
346 } elsif ($testtype == NO_PSS_SIG_ALGS) {
347 #No PSS sig algs - just send rsa_pkcs1_sha256
348 $sigalg = pack "C4", 0x00, 0x02, 0x04, 0x01;
349 } else {
350 #PSS sig algs only - just send rsa_pss_rsae_sha256
351 $sigalg = pack "C4", 0x00, 0x02, 0x08, 0x04;
352 }
353 $message->set_extension(TLSProxy::Message::EXT_SIG_ALGS, $sigalg);
354 }
355
356 $message->repack();
357 }
358 }
359}
360
361sub modify_sigalgs_filter
362{
363 my $proxy = shift;
364
365 # We're only interested in the initial ClientHello
366 return if ($proxy->flight != 0);
367
368 foreach my $message (@{$proxy->message_list}) {
369 my $ext;
370 my @algs;
371
372 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
373 if ($testtype == PURE_SIGALGS) {
374 my $ok = 1;
375 $ext = $message->extension_data->{TLSProxy::Message::EXT_SIG_ALGS};
376 @algs = unpack('S>*', $ext);
377 # unpack will unpack the length as well
378 shift @algs;
379 foreach (@algs) {
380 if ($_ == TLSProxy::Message::SIG_ALG_DSA_SHA256
381 || $_ == TLSProxy::Message::SIG_ALG_DSA_SHA384
382 || $_ == TLSProxy::Message::SIG_ALG_DSA_SHA512
383 || $_ == TLSProxy::Message::OSSL_SIG_ALG_DSA_SHA224
384 || $_ == TLSProxy::Message::SIG_ALG_RSA_PKCS1_SHA1
385 || $_ == TLSProxy::Message::SIG_ALG_DSA_SHA1
386 || $_ == TLSProxy::Message::SIG_ALG_ECDSA_SHA1) {
387 $ok = 0;
388 }
389 }
390 $sha1_status = $dsa_status = $sha224_status = 1 if ($ok);
391 } elsif ($testtype == COMPAT_SIGALGS) {
392 $ext = $message->extension_data->{TLSProxy::Message::EXT_SIG_ALGS};
393 @algs = unpack('S>*', $ext);
394 # unpack will unpack the length as well
395 shift @algs;
396 foreach (@algs) {
397 if ($_ == TLSProxy::Message::SIG_ALG_DSA_SHA256
398 || $_ == TLSProxy::Message::SIG_ALG_DSA_SHA384
399 || $_ == TLSProxy::Message::SIG_ALG_DSA_SHA512) {
400 $dsa_status = 1;
401 }
402 if ($_ == TLSProxy::Message::SIG_ALG_RSA_PKCS1_SHA1
403 || $_ == TLSProxy::Message::SIG_ALG_DSA_SHA1
404 || $_ == TLSProxy::Message::SIG_ALG_ECDSA_SHA1) {
405 $sha1_status = 1;
406 }
407 if ($_ == TLSProxy::Message::OSSL_SIG_ALG_RSA_PKCS1_SHA224
408 || $_ == TLSProxy::Message::OSSL_SIG_ALG_DSA_SHA224
409 || $_ == TLSProxy::Message::OSSL_SIG_ALG_ECDSA_SHA224) {
410 $sha224_status = 1;
411 }
412 }
413 }
414 }
415 }
416}
417
418sub modify_sigalgs_cert_filter
419{
420 my $proxy = shift;
421
422 # We're only interested in the initial ClientHello
423 if ($proxy->flight != 0) {
424 return;
425 }
426
427 foreach my $message (@{$proxy->message_list}) {
428 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
429 my $sigs;
430 # two byte length at front of sigs, then two-byte sigschemes
431 if ($testtype == SIGALGS_CERT_ALL) {
432 $sigs = pack "C26", 0x00, 0x18,
433 # rsa_pkcs_sha{256,512} rsa_pss_rsae_sha{256,512}
434 0x04, 0x01, 0x06, 0x01, 0x08, 0x04, 0x08, 0x06,
435 # ed25518 ed448 rsa_pss_pss_sha{256,512}
436 0x08, 0x07, 0x08, 0x08, 0x08, 0x09, 0x08, 0x0b,
437 # ecdsa_secp{256,512} rsa+sha1 ecdsa+sha1
438 0x04, 0x03, 0x06, 0x03, 0x02, 0x01, 0x02, 0x03;
439 } elsif ($testtype == SIGALGS_CERT_PKCS) {
440 $sigs = pack "C10", 0x00, 0x08,
441 # rsa_pkcs_sha{256,384,512,1}
442 0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02, 0x01;
443 } elsif ($testtype == SIGALGS_CERT_INVALID) {
444 $sigs = pack "C4", 0x00, 0x02,
445 # unregistered codepoint
446 0xb2, 0x6f;
447 }
448 $message->set_extension(TLSProxy::Message::EXT_SIG_ALGS_CERT, $sigs);
449 $message->repack();
450 }
451 }
452}
453
454sub modify_cert_verify_sigalg
455{
456 my $proxy = shift;
457
458 # We're only interested in the CertificateVerify
459 if ($proxy->flight != 1) {
460 return;
461 }
462
463 foreach my $message (@{$proxy->message_list}) {
464 if ($message->mt == TLSProxy::Message::MT_CERTIFICATE_VERIFY) {
465 $message->sigalg(TLSProxy::Message::SIG_ALG_RSA_PSS_PSS_SHA256);
466 $message->repack();
467 }
468 }
469}
470
471sub inject_unrecognized_sigalg
472{
473 my $proxy = shift;
474 my $type;
475
476 # We're only interested in the initial ClientHello
477 if ($proxy->flight != 0) {
478 return;
479 }
480 if ($testtype == UNRECOGNIZED_SIGALGS_CERT) {
481 $type = TLSProxy::Message::EXT_SIG_ALGS_CERT;
482 } elsif ($testtype == UNRECOGNIZED_SIGALG) {
483 $type = TLSProxy::Message::EXT_SIG_ALGS;
484 } else {
485 return;
486 }
487
488 my $ext = pack "C8",
489 0x00, 0x06, #Extension length
490 0xfe, 0x18, #private use
491 0x04, 0x01, #rsa_pkcs1_sha256
492 0x08, 0x04; #rsa_pss_rsae_sha256;
493 my $message = ${$proxy->message_list}[0];
494 $message->set_extension($type, $ext);
495 $message->repack;
496}
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