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4f0c4757 | 1 | #! /usr/bin/env perl |
6738bf14 | 2 | # Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. |
4f0c4757 | 3 | # |
909f1a2e | 4 | # Licensed under the Apache License 2.0 (the "License"). You may not use |
4f0c4757 MC |
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 | ||
9 | use strict; | |
c4220c0f AP |
10 | use feature 'state'; |
11 | ||
4f0c4757 MC |
12 | use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/; |
13 | use OpenSSL::Test::Utils; | |
14 | use TLSProxy::Proxy; | |
15 | ||
16 | my $test_name = "test_sslrecords"; | |
17 | setup($test_name); | |
18 | ||
19 | plan skip_all => "TLSProxy isn't usable on $^O" | |
c5856878 | 20 | if $^O =~ /^(VMS)$/; |
4f0c4757 MC |
21 | |
22 | plan skip_all => "$test_name needs the dynamic engine feature enabled" | |
23 | if disabled("engine") || disabled("dynamic-engine"); | |
24 | ||
25 | plan skip_all => "$test_name needs the sock feature enabled" | |
26 | if disabled("sock"); | |
27 | ||
80f397e2 MC |
28 | plan skip_all => "$test_name needs TLSv1.2 enabled" |
29 | if disabled("tls1_2"); | |
4f0c4757 MC |
30 | |
31 | $ENV{OPENSSL_ia32cap} = '~0x200000200000000'; | |
32 | my $proxy = TLSProxy::Proxy->new( | |
33 | \&add_empty_recs_filter, | |
34 | cmdstr(app(["openssl"]), display => 1), | |
35 | srctop_file("apps", "server.pem"), | |
36 | (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE}) | |
37 | ); | |
38 | ||
774c909b | 39 | my $boundary_test_type; |
c4220c0f | 40 | my $fatal_alert = 0; # set by filters at expected fatal alerts |
774c909b | 41 | |
4f0c4757 MC |
42 | #Test 1: Injecting out of context empty records should fail |
43 | my $content_type = TLSProxy::Record::RT_APPLICATION_DATA; | |
44 | my $inject_recs_num = 1; | |
837e591d | 45 | $proxy->serverflags("-tls1_2"); |
b02b5743 | 46 | $proxy->start() or plan skip_all => "Unable to start up Proxy for tests"; |
73e62d40 | 47 | plan tests => 20; |
c4220c0f | 48 | ok($fatal_alert, "Out of context empty records test"); |
4f0c4757 MC |
49 | |
50 | #Test 2: Injecting in context empty records should succeed | |
51 | $proxy->clear(); | |
52 | $content_type = TLSProxy::Record::RT_HANDSHAKE; | |
837e591d | 53 | $proxy->serverflags("-tls1_2"); |
4f0c4757 MC |
54 | $proxy->start(); |
55 | ok(TLSProxy::Message->success(), "In context empty records test"); | |
56 | ||
57 | #Test 3: Injecting too many in context empty records should fail | |
c4220c0f | 58 | $fatal_alert = 0; |
4f0c4757 MC |
59 | $proxy->clear(); |
60 | #We allow 32 consecutive in context empty records | |
61 | $inject_recs_num = 33; | |
837e591d | 62 | $proxy->serverflags("-tls1_2"); |
4f0c4757 | 63 | $proxy->start(); |
c4220c0f | 64 | ok($fatal_alert, "Too many in context empty records test"); |
4f0c4757 | 65 | |
bd990e25 MC |
66 | #Test 4: Injecting a fragmented fatal alert should fail. We expect the server to |
67 | # send back an alert of its own because it cannot handle fragmented | |
68 | # alerts | |
c4220c0f | 69 | $fatal_alert = 0; |
c3fd55d4 MC |
70 | $proxy->clear(); |
71 | $proxy->filter(\&add_frag_alert_filter); | |
837e591d | 72 | $proxy->serverflags("-tls1_2"); |
c3fd55d4 | 73 | $proxy->start(); |
c4220c0f | 74 | ok($fatal_alert, "Fragmented alert records test"); |
c3fd55d4 | 75 | |
a2a0c86b MC |
76 | #Run some SSLv2 ClientHello tests |
77 | ||
78 | use constant { | |
79 | TLSV1_2_IN_SSLV2 => 0, | |
80 | SSLV2_IN_SSLV2 => 1, | |
81 | FRAGMENTED_IN_TLSV1_2 => 2, | |
82 | FRAGMENTED_IN_SSLV2 => 3, | |
83 | ALERT_BEFORE_SSLV2 => 4 | |
84 | }; | |
85 | #Test 5: Inject an SSLv2 style record format for a TLSv1.2 ClientHello | |
a2a0c86b MC |
86 | my $sslv2testtype = TLSV1_2_IN_SSLV2; |
87 | $proxy->clear(); | |
88 | $proxy->filter(\&add_sslv2_filter); | |
837e591d | 89 | $proxy->serverflags("-tls1_2"); |
a2a0c86b MC |
90 | $proxy->start(); |
91 | ok(TLSProxy::Message->success(), "TLSv1.2 in SSLv2 ClientHello test"); | |
92 | ||
93 | #Test 6: Inject an SSLv2 style record format for an SSLv2 ClientHello. We don't | |
94 | # support this so it should fail. We actually treat it as an unknown | |
95 | # protocol so we don't even send an alert in this case. | |
96 | $sslv2testtype = SSLV2_IN_SSLV2; | |
97 | $proxy->clear(); | |
837e591d | 98 | $proxy->serverflags("-tls1_2"); |
a2a0c86b | 99 | $proxy->start(); |
0f82d2f5 | 100 | ok(TLSProxy::Message->fail(), "SSLv2 in SSLv2 ClientHello test"); |
a2a0c86b MC |
101 | |
102 | #Test 7: Sanity check ClientHello fragmentation. This isn't really an SSLv2 test | |
103 | # at all, but it gives us confidence that Test 8 fails for the right | |
104 | # reasons | |
105 | $sslv2testtype = FRAGMENTED_IN_TLSV1_2; | |
106 | $proxy->clear(); | |
837e591d | 107 | $proxy->serverflags("-tls1_2"); |
a2a0c86b MC |
108 | $proxy->start(); |
109 | ok(TLSProxy::Message->success(), "Fragmented ClientHello in TLSv1.2 test"); | |
110 | ||
111 | #Test 8: Fragment a TLSv1.2 ClientHello across a TLS1.2 record; an SSLv2 | |
112 | # record; and another TLS1.2 record. This isn't allowed so should fail | |
113 | $sslv2testtype = FRAGMENTED_IN_SSLV2; | |
114 | $proxy->clear(); | |
837e591d | 115 | $proxy->serverflags("-tls1_2"); |
a2a0c86b MC |
116 | $proxy->start(); |
117 | ok(TLSProxy::Message->fail(), "Fragmented ClientHello in TLSv1.2/SSLv2 test"); | |
118 | ||
119 | #Test 9: Send a TLS warning alert before an SSLv2 ClientHello. This should | |
120 | # fail because an SSLv2 ClientHello must be the first record. | |
121 | $sslv2testtype = ALERT_BEFORE_SSLV2; | |
122 | $proxy->clear(); | |
837e591d | 123 | $proxy->serverflags("-tls1_2"); |
a2a0c86b MC |
124 | $proxy->start(); |
125 | ok(TLSProxy::Message->fail(), "Alert before SSLv2 ClientHello test"); | |
1f3e70a4 | 126 | |
69687aa8 | 127 | #Unrecognised record type tests |
1f3e70a4 MC |
128 | |
129 | #Test 10: Sending an unrecognised record type in TLS1.2 should fail | |
c4220c0f | 130 | $fatal_alert = 0; |
1f3e70a4 | 131 | $proxy->clear(); |
9970290e | 132 | $proxy->serverflags("-tls1_2"); |
1f3e70a4 MC |
133 | $proxy->filter(\&add_unknown_record_type); |
134 | $proxy->start(); | |
c4220c0f | 135 | ok($fatal_alert, "Unrecognised record type in TLS1.2"); |
1f3e70a4 | 136 | |
774c909b MC |
137 | SKIP: { |
138 | skip "TLSv1.1 disabled", 1 if disabled("tls1_1"); | |
139 | ||
140 | #Test 11: Sending an unrecognised record type in TLS1.1 should fail | |
c4220c0f | 141 | $fatal_alert = 0; |
1f3e70a4 MC |
142 | $proxy->clear(); |
143 | $proxy->clientflags("-tls1_1"); | |
144 | $proxy->start(); | |
c4220c0f | 145 | ok($fatal_alert, "Unrecognised record type in TLS1.1"); |
1f3e70a4 MC |
146 | } |
147 | ||
8e47ee18 | 148 | #Test 12: Sending a different record version in TLS1.2 should fail |
c4220c0f | 149 | $fatal_alert = 0; |
8e47ee18 MC |
150 | $proxy->clear(); |
151 | $proxy->clientflags("-tls1_2"); | |
152 | $proxy->filter(\&change_version); | |
153 | $proxy->start(); | |
c4220c0f | 154 | ok($fatal_alert, "Changed record version in TLS1.2"); |
8e47ee18 | 155 | |
b4c6e37e | 156 | #TLS1.3 specific tests |
774c909b | 157 | SKIP: { |
73e62d40 | 158 | skip "TLSv1.3 disabled", 8 if disabled("tls1_3"); |
774c909b | 159 | |
3295d242 | 160 | #Test 13: Sending a different record version in TLS1.3 should fail |
8e47ee18 MC |
161 | $proxy->clear(); |
162 | $proxy->filter(\&change_version); | |
163 | $proxy->start(); | |
3295d242 | 164 | ok(TLSProxy::Message->fail(), "Changed record version in TLS1.3"); |
b4c6e37e MC |
165 | |
166 | #Test 14: Sending an unrecognised record type in TLS1.3 should fail | |
c4220c0f | 167 | $fatal_alert = 0; |
b4c6e37e MC |
168 | $proxy->clear(); |
169 | $proxy->filter(\&add_unknown_record_type); | |
170 | $proxy->start(); | |
c4220c0f | 171 | ok($fatal_alert, "Unrecognised record type in TLS1.3"); |
b4c6e37e MC |
172 | |
173 | #Test 15: Sending an outer record type other than app data once encrypted | |
174 | #should fail | |
c4220c0f | 175 | $fatal_alert = 0; |
b4c6e37e MC |
176 | $proxy->clear(); |
177 | $proxy->filter(\&change_outer_record_type); | |
178 | $proxy->start(); | |
c4220c0f | 179 | ok($fatal_alert, "Wrong outer record type in TLS1.3"); |
774c909b MC |
180 | |
181 | use constant { | |
182 | DATA_AFTER_SERVER_HELLO => 0, | |
183 | DATA_AFTER_FINISHED => 1, | |
73e62d40 MC |
184 | DATA_AFTER_KEY_UPDATE => 2, |
185 | DATA_BETWEEN_KEY_UPDATE => 3, | |
186 | NO_DATA_BETWEEN_KEY_UPDATE => 4, | |
774c909b MC |
187 | }; |
188 | ||
189 | #Test 16: Sending a ServerHello which doesn't end on a record boundary | |
190 | # should fail | |
c4220c0f | 191 | $fatal_alert = 0; |
774c909b MC |
192 | $proxy->clear(); |
193 | $boundary_test_type = DATA_AFTER_SERVER_HELLO; | |
194 | $proxy->filter(\¬_on_record_boundary); | |
195 | $proxy->start(); | |
c4220c0f | 196 | ok($fatal_alert, "Record not on boundary in TLS1.3 (ServerHello)"); |
774c909b MC |
197 | |
198 | #Test 17: Sending a Finished which doesn't end on a record boundary | |
199 | # should fail | |
c4220c0f | 200 | $fatal_alert = 0; |
774c909b MC |
201 | $proxy->clear(); |
202 | $boundary_test_type = DATA_AFTER_FINISHED; | |
774c909b | 203 | $proxy->start(); |
c4220c0f | 204 | ok($fatal_alert, "Record not on boundary in TLS1.3 (Finished)"); |
774c909b MC |
205 | |
206 | #Test 18: Sending a KeyUpdate which doesn't end on a record boundary | |
207 | # should fail | |
c4220c0f | 208 | $fatal_alert = 0; |
774c909b MC |
209 | $proxy->clear(); |
210 | $boundary_test_type = DATA_AFTER_KEY_UPDATE; | |
774c909b | 211 | $proxy->start(); |
c4220c0f | 212 | ok($fatal_alert, "Record not on boundary in TLS1.3 (KeyUpdate)"); |
73e62d40 MC |
213 | |
214 | #Test 19: Sending application data in the middle of a fragmented KeyUpdate | |
215 | # should fail. Strictly speaking this is not a record boundary test | |
216 | # but we use the same filter. | |
217 | $fatal_alert = 0; | |
218 | $proxy->clear(); | |
219 | $boundary_test_type = DATA_BETWEEN_KEY_UPDATE; | |
220 | $proxy->start(); | |
221 | ok($fatal_alert, "Data between KeyUpdate"); | |
222 | ||
223 | #Test 20: Fragmented KeyUpdate. This should succeed. Strictly speaking this | |
224 | # is not a record boundary test but we use the same filter. | |
225 | $proxy->clear(); | |
226 | $boundary_test_type = NO_DATA_BETWEEN_KEY_UPDATE; | |
227 | $proxy->start(); | |
228 | ok(TLSProxy::Message->success(), "No data between KeyUpdate"); | |
b4c6e37e MC |
229 | } |
230 | ||
8e47ee18 | 231 | |
4f0c4757 MC |
232 | sub add_empty_recs_filter |
233 | { | |
234 | my $proxy = shift; | |
c4220c0f | 235 | my $records = $proxy->record_list; |
4f0c4757 MC |
236 | |
237 | # We're only interested in the initial ClientHello | |
238 | if ($proxy->flight != 0) { | |
c4220c0f | 239 | $fatal_alert = 1 if @{$records}[-1]->is_fatal_alert(1) == 10; |
4f0c4757 MC |
240 | return; |
241 | } | |
242 | ||
243 | for (my $i = 0; $i < $inject_recs_num; $i++) { | |
244 | my $record = TLSProxy::Record->new( | |
245 | 0, | |
246 | $content_type, | |
247 | TLSProxy::Record::VERS_TLS_1_2, | |
248 | 0, | |
249 | 0, | |
250 | 0, | |
a2a0c86b | 251 | 0, |
4f0c4757 MC |
252 | "", |
253 | "" | |
254 | ); | |
c4220c0f | 255 | push @{$records}, $record; |
4f0c4757 MC |
256 | } |
257 | } | |
c3fd55d4 MC |
258 | |
259 | sub add_frag_alert_filter | |
260 | { | |
261 | my $proxy = shift; | |
c4220c0f | 262 | my $records = $proxy->record_list; |
c3fd55d4 MC |
263 | my $byte; |
264 | ||
265 | # We're only interested in the initial ClientHello | |
266 | if ($proxy->flight != 0) { | |
c4220c0f | 267 | $fatal_alert = 1 if @{$records}[-1]->is_fatal_alert(1) == 10; |
c3fd55d4 MC |
268 | return; |
269 | } | |
270 | ||
271 | # Add a zero length fragment first | |
272 | #my $record = TLSProxy::Record->new( | |
273 | # 0, | |
274 | # TLSProxy::Record::RT_ALERT, | |
275 | # TLSProxy::Record::VERS_TLS_1_2, | |
276 | # 0, | |
277 | # 0, | |
278 | # 0, | |
279 | # "", | |
280 | # "" | |
281 | #); | |
282 | #push @{$proxy->record_list}, $record; | |
283 | ||
60250017 | 284 | # Now add the alert level (Fatal) as a separate record |
c3fd55d4 MC |
285 | $byte = pack('C', TLSProxy::Message::AL_LEVEL_FATAL); |
286 | my $record = TLSProxy::Record->new( | |
287 | 0, | |
288 | TLSProxy::Record::RT_ALERT, | |
289 | TLSProxy::Record::VERS_TLS_1_2, | |
290 | 1, | |
a2a0c86b | 291 | 0, |
c3fd55d4 MC |
292 | 1, |
293 | 1, | |
294 | $byte, | |
295 | $byte | |
296 | ); | |
c4220c0f | 297 | push @{$records}, $record; |
c3fd55d4 MC |
298 | |
299 | # And finally the description (Unexpected message) in a third record | |
300 | $byte = pack('C', TLSProxy::Message::AL_DESC_UNEXPECTED_MESSAGE); | |
301 | $record = TLSProxy::Record->new( | |
302 | 0, | |
303 | TLSProxy::Record::RT_ALERT, | |
304 | TLSProxy::Record::VERS_TLS_1_2, | |
305 | 1, | |
a2a0c86b | 306 | 0, |
c3fd55d4 MC |
307 | 1, |
308 | 1, | |
309 | $byte, | |
310 | $byte | |
311 | ); | |
c4220c0f | 312 | push @{$records}, $record; |
c3fd55d4 | 313 | } |
a2a0c86b MC |
314 | |
315 | sub add_sslv2_filter | |
316 | { | |
317 | my $proxy = shift; | |
318 | my $clienthello; | |
319 | my $record; | |
320 | ||
321 | # We're only interested in the initial ClientHello | |
322 | if ($proxy->flight != 0) { | |
323 | return; | |
324 | } | |
325 | ||
326 | # Ditch the real ClientHello - we're going to replace it with our own | |
327 | shift @{$proxy->record_list}; | |
328 | ||
329 | if ($sslv2testtype == ALERT_BEFORE_SSLV2) { | |
330 | my $alert = pack('CC', TLSProxy::Message::AL_LEVEL_FATAL, | |
331 | TLSProxy::Message::AL_DESC_NO_RENEGOTIATION); | |
332 | my $alertlen = length $alert; | |
333 | $record = TLSProxy::Record->new( | |
334 | 0, | |
335 | TLSProxy::Record::RT_ALERT, | |
336 | TLSProxy::Record::VERS_TLS_1_2, | |
337 | $alertlen, | |
338 | 0, | |
339 | $alertlen, | |
340 | $alertlen, | |
341 | $alert, | |
342 | $alert | |
343 | ); | |
344 | ||
345 | push @{$proxy->record_list}, $record; | |
346 | } | |
347 | ||
348 | if ($sslv2testtype == ALERT_BEFORE_SSLV2 | |
349 | || $sslv2testtype == TLSV1_2_IN_SSLV2 | |
350 | || $sslv2testtype == SSLV2_IN_SSLV2) { | |
351 | # This is an SSLv2 format ClientHello | |
352 | $clienthello = | |
353 | pack "C44", | |
354 | 0x01, # ClientHello | |
355 | 0x03, 0x03, #TLSv1.2 | |
356 | 0x00, 0x03, # Ciphersuites len | |
357 | 0x00, 0x00, # Session id len | |
358 | 0x00, 0x20, # Challenge len | |
359 | 0x00, 0x00, 0x2f, #AES128-SHA | |
360 | 0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90, | |
361 | 0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56, | |
362 | 0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6; # Challenge | |
363 | ||
364 | if ($sslv2testtype == SSLV2_IN_SSLV2) { | |
365 | # Set the version to "real" SSLv2 | |
366 | vec($clienthello, 1, 8) = 0x00; | |
367 | vec($clienthello, 2, 8) = 0x02; | |
368 | } | |
369 | ||
370 | my $chlen = length $clienthello; | |
371 | ||
372 | $record = TLSProxy::Record->new( | |
373 | 0, | |
374 | TLSProxy::Record::RT_HANDSHAKE, | |
375 | TLSProxy::Record::VERS_TLS_1_2, | |
376 | $chlen, | |
377 | 1, #SSLv2 | |
378 | $chlen, | |
379 | $chlen, | |
380 | $clienthello, | |
381 | $clienthello | |
382 | ); | |
383 | ||
384 | push @{$proxy->record_list}, $record; | |
385 | } else { | |
386 | # For this test we're using a real TLS ClientHello | |
387 | $clienthello = | |
388 | pack "C49", | |
389 | 0x01, # ClientHello | |
390 | 0x00, 0x00, 0x2D, # Message length | |
391 | 0x03, 0x03, # TLSv1.2 | |
392 | 0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90, | |
393 | 0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56, | |
394 | 0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6, # Random | |
395 | 0x00, # Session id len | |
396 | 0x00, 0x04, # Ciphersuites len | |
397 | 0x00, 0x2f, # AES128-SHA | |
398 | 0x00, 0xff, # Empty reneg info SCSV | |
399 | 0x01, # Compression methods len | |
400 | 0x00, # Null compression | |
401 | 0x00, 0x00; # Extensions len | |
402 | ||
403 | # Split this into 3: A TLS record; a SSLv2 record and a TLS record. | |
404 | # We deliberately split the second record prior to the Challenge/Random | |
405 | # and set the first byte of the random to 1. This makes the second SSLv2 | |
406 | # record look like an SSLv2 ClientHello | |
407 | my $frag1 = substr $clienthello, 0, 6; | |
408 | my $frag2 = substr $clienthello, 6, 32; | |
409 | my $frag3 = substr $clienthello, 38; | |
410 | ||
411 | my $fraglen = length $frag1; | |
412 | $record = TLSProxy::Record->new( | |
413 | 0, | |
414 | TLSProxy::Record::RT_HANDSHAKE, | |
415 | TLSProxy::Record::VERS_TLS_1_2, | |
416 | $fraglen, | |
417 | 0, | |
418 | $fraglen, | |
419 | $fraglen, | |
420 | $frag1, | |
421 | $frag1 | |
422 | ); | |
423 | push @{$proxy->record_list}, $record; | |
424 | ||
425 | $fraglen = length $frag2; | |
426 | my $recvers; | |
427 | if ($sslv2testtype == FRAGMENTED_IN_SSLV2) { | |
428 | $recvers = 1; | |
429 | } else { | |
430 | $recvers = 0; | |
431 | } | |
432 | $record = TLSProxy::Record->new( | |
433 | 0, | |
434 | TLSProxy::Record::RT_HANDSHAKE, | |
435 | TLSProxy::Record::VERS_TLS_1_2, | |
436 | $fraglen, | |
437 | $recvers, | |
438 | $fraglen, | |
439 | $fraglen, | |
440 | $frag2, | |
441 | $frag2 | |
442 | ); | |
443 | push @{$proxy->record_list}, $record; | |
444 | ||
445 | $fraglen = length $frag3; | |
446 | $record = TLSProxy::Record->new( | |
447 | 0, | |
448 | TLSProxy::Record::RT_HANDSHAKE, | |
449 | TLSProxy::Record::VERS_TLS_1_2, | |
450 | $fraglen, | |
451 | 0, | |
452 | $fraglen, | |
453 | $fraglen, | |
454 | $frag3, | |
455 | $frag3 | |
456 | ); | |
457 | push @{$proxy->record_list}, $record; | |
458 | } | |
459 | ||
460 | } | |
1f3e70a4 MC |
461 | |
462 | sub add_unknown_record_type | |
463 | { | |
464 | my $proxy = shift; | |
c4220c0f AP |
465 | my $records = $proxy->record_list; |
466 | state $added_record; | |
1f3e70a4 MC |
467 | |
468 | # We'll change a record after the initial version neg has taken place | |
c4220c0f AP |
469 | if ($proxy->flight == 0) { |
470 | $added_record = 0; | |
471 | return; | |
472 | } elsif ($proxy->flight != 1 || $added_record) { | |
473 | $fatal_alert = 1 if @{$records}[-1]->is_fatal_alert(0) == 10; | |
1f3e70a4 MC |
474 | return; |
475 | } | |
476 | ||
1f3e70a4 | 477 | my $record = TLSProxy::Record->new( |
b4c6e37e | 478 | 1, |
1f3e70a4 | 479 | TLSProxy::Record::RT_UNKNOWN, |
c4220c0f | 480 | @{$records}[-1]->version(), |
1f3e70a4 MC |
481 | 1, |
482 | 0, | |
483 | 1, | |
484 | 1, | |
485 | "X", | |
486 | "X" | |
487 | ); | |
488 | ||
b4c6e37e MC |
489 | #Find ServerHello record and insert after that |
490 | my $i; | |
491 | for ($i = 0; ${$proxy->record_list}[$i]->flight() < 1; $i++) { | |
492 | next; | |
493 | } | |
494 | $i++; | |
495 | ||
496 | splice @{$proxy->record_list}, $i, 0, $record; | |
c4220c0f | 497 | $added_record = 1; |
1f3e70a4 | 498 | } |
8e47ee18 MC |
499 | |
500 | sub change_version | |
501 | { | |
502 | my $proxy = shift; | |
c4220c0f | 503 | my $records = $proxy->record_list; |
8e47ee18 MC |
504 | |
505 | # We'll change a version after the initial version neg has taken place | |
3295d242 | 506 | if ($proxy->flight != 1) { |
c4220c0f | 507 | $fatal_alert = 1 if @{$records}[-1]->is_fatal_alert(0) == 70; |
8e47ee18 MC |
508 | return; |
509 | } | |
510 | ||
c4220c0f AP |
511 | if ($#{$records} > 1) { |
512 | # ... typically in ServerHelloDone | |
513 | @{$records}[-1]->version(TLSProxy::Record::VERS_TLS_1_1); | |
514 | } | |
8e47ee18 | 515 | } |
b4c6e37e MC |
516 | |
517 | sub change_outer_record_type | |
518 | { | |
519 | my $proxy = shift; | |
c4220c0f | 520 | my $records = $proxy->record_list; |
b4c6e37e MC |
521 | |
522 | # We'll change a record after the initial version neg has taken place | |
523 | if ($proxy->flight != 1) { | |
c4220c0f | 524 | $fatal_alert = 1 if @{$records}[-1]->is_fatal_alert(0) == 10; |
b4c6e37e MC |
525 | return; |
526 | } | |
527 | ||
c4220c0f AP |
528 | # Find CCS record and change record after that |
529 | my $i = 0; | |
530 | foreach my $record (@{$records}) { | |
531 | last if $record->content_type == TLSProxy::Record::RT_CCS; | |
532 | $i++; | |
533 | } | |
534 | if (defined(${$records}[++$i])) { | |
535 | ${$records}[$i]->outer_content_type(TLSProxy::Record::RT_HANDSHAKE); | |
b4c6e37e | 536 | } |
b4c6e37e | 537 | } |
774c909b MC |
538 | |
539 | sub not_on_record_boundary | |
540 | { | |
541 | my $proxy = shift; | |
c4220c0f | 542 | my $records = $proxy->record_list; |
774c909b MC |
543 | my $data; |
544 | ||
545 | #Find server's first flight | |
546 | if ($proxy->flight != 1) { | |
c4220c0f | 547 | $fatal_alert = 1 if @{$records}[-1]->is_fatal_alert(0) == 10; |
774c909b MC |
548 | return; |
549 | } | |
550 | ||
551 | if ($boundary_test_type == DATA_AFTER_SERVER_HELLO) { | |
552 | #Merge the ServerHello and EncryptedExtensions records into one | |
c4220c0f AP |
553 | my $i = 0; |
554 | foreach my $record (@{$records}) { | |
555 | if ($record->content_type == TLSProxy::Record::RT_HANDSHAKE) { | |
556 | $record->{sent} = 1; # pretend it's sent already | |
557 | last; | |
558 | } | |
559 | $i++; | |
774c909b | 560 | } |
774c909b | 561 | |
c4220c0f AP |
562 | if (defined(${$records}[$i+1])) { |
563 | $data = ${$records}[$i]->data(); | |
564 | $data .= ${$records}[$i+1]->decrypt_data(); | |
565 | ${$records}[$i+1]->data($data); | |
566 | ${$records}[$i+1]->len(length $data); | |
567 | ||
568 | #Delete the old ServerHello record | |
569 | splice @{$records}, $i, 1; | |
570 | } | |
774c909b | 571 | } elsif ($boundary_test_type == DATA_AFTER_FINISHED) { |
c4220c0f AP |
572 | return if @{$proxy->{message_list}}[-1]->{mt} |
573 | != TLSProxy::Message::MT_FINISHED; | |
574 | ||
575 | my $last_record = @{$records}[-1]; | |
576 | $data = $last_record->decrypt_data; | |
774c909b MC |
577 | |
578 | #Add a KeyUpdate message onto the end of the Finished record | |
579 | my $keyupdate = pack "C5", | |
580 | 0x18, # KeyUpdate | |
581 | 0x00, 0x00, 0x01, # Message length | |
582 | 0x00; # Update not requested | |
583 | ||
584 | $data .= $keyupdate; | |
585 | ||
586 | #Add content type and tag | |
587 | $data .= pack("C", TLSProxy::Record::RT_HANDSHAKE).("\0"x16); | |
588 | ||
589 | #Update the record | |
c4220c0f AP |
590 | $last_record->data($data); |
591 | $last_record->len(length $data); | |
73e62d40 | 592 | } elsif ($boundary_test_type == DATA_AFTER_KEY_UPDATE) { |
c4220c0f AP |
593 | return if @{$proxy->{message_list}}[-1]->{mt} |
594 | != TLSProxy::Message::MT_FINISHED; | |
595 | ||
774c909b MC |
596 | #KeyUpdates must end on a record boundary |
597 | ||
598 | my $record = TLSProxy::Record->new( | |
599 | 1, | |
600 | TLSProxy::Record::RT_APPLICATION_DATA, | |
c4220c0f | 601 | TLSProxy::Record::VERS_TLS_1_2, |
774c909b MC |
602 | 0, |
603 | 0, | |
604 | 0, | |
605 | 0, | |
606 | "", | |
607 | "" | |
608 | ); | |
609 | ||
610 | #Add two KeyUpdate messages into a single record | |
611 | my $keyupdate = pack "C5", | |
612 | 0x18, # KeyUpdate | |
613 | 0x00, 0x00, 0x01, # Message length | |
614 | 0x00; # Update not requested | |
615 | ||
616 | $data = $keyupdate.$keyupdate; | |
617 | ||
618 | #Add content type and tag | |
619 | $data .= pack("C", TLSProxy::Record::RT_HANDSHAKE).("\0"x16); | |
620 | ||
621 | $record->data($data); | |
622 | $record->len(length $data); | |
c4220c0f | 623 | push @{$records}, $record; |
73e62d40 MC |
624 | } else { |
625 | return if @{$proxy->{message_list}}[-1]->{mt} | |
626 | != TLSProxy::Message::MT_FINISHED; | |
627 | ||
628 | my $record = TLSProxy::Record->new( | |
629 | 1, | |
630 | TLSProxy::Record::RT_APPLICATION_DATA, | |
631 | TLSProxy::Record::VERS_TLS_1_2, | |
632 | 0, | |
633 | 0, | |
634 | 0, | |
635 | 0, | |
636 | "", | |
637 | "" | |
638 | ); | |
639 | ||
640 | #Add a partial KeyUpdate message into the record | |
641 | $data = pack "C1", | |
642 | 0x18; # KeyUpdate message type. Omit the rest of the message header | |
643 | ||
644 | #Add content type and tag | |
645 | $data .= pack("C", TLSProxy::Record::RT_HANDSHAKE).("\0"x16); | |
646 | ||
647 | $record->data($data); | |
648 | $record->len(length $data); | |
649 | push @{$records}, $record; | |
650 | ||
651 | if ($boundary_test_type == DATA_BETWEEN_KEY_UPDATE) { | |
652 | #Now add an app data record | |
653 | $record = TLSProxy::Record->new( | |
654 | 1, | |
655 | TLSProxy::Record::RT_APPLICATION_DATA, | |
656 | TLSProxy::Record::VERS_TLS_1_2, | |
657 | 0, | |
658 | 0, | |
659 | 0, | |
660 | 0, | |
661 | "", | |
662 | "" | |
663 | ); | |
664 | ||
665 | #Add an empty app data record (just content type and tag) | |
666 | $data = pack("C", TLSProxy::Record::RT_APPLICATION_DATA).("\0"x16); | |
667 | ||
668 | $record->data($data); | |
669 | $record->len(length $data); | |
670 | push @{$records}, $record; | |
671 | } | |
672 | ||
673 | #Now add the rest of the KeyUpdate message | |
674 | $record = TLSProxy::Record->new( | |
675 | 1, | |
676 | TLSProxy::Record::RT_APPLICATION_DATA, | |
677 | TLSProxy::Record::VERS_TLS_1_2, | |
678 | 0, | |
679 | 0, | |
680 | 0, | |
681 | 0, | |
682 | "", | |
683 | "" | |
684 | ); | |
685 | ||
686 | #Add the last 4 bytes of the KeyUpdate record | |
687 | $data = pack "C4", | |
688 | 0x00, 0x00, 0x01, # Message length | |
689 | 0x00; # Update not requested | |
690 | ||
691 | #Add content type and tag | |
692 | $data .= pack("C", TLSProxy::Record::RT_HANDSHAKE).("\0"x16); | |
693 | ||
694 | $record->data($data); | |
695 | $record->len(length $data); | |
696 | push @{$records}, $record; | |
697 | ||
774c909b MC |
698 | } |
699 | } |