2 # Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
4 # Licensed under the OpenSSL license (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
10 use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
11 use OpenSSL::Test::Utils;
14 my $test_name = "test_sslrecords";
17 plan skip_all => "TLSProxy isn't usable on $^O"
18 if $^O =~ /^(VMS|MSWin32)$/;
20 plan skip_all => "$test_name needs the dynamic engine feature enabled"
21 if disabled("engine") || disabled("dynamic-engine");
23 plan skip_all => "$test_name needs the sock feature enabled"
26 plan skip_all => "$test_name needs TLSv1.2 enabled"
27 if disabled("tls1_2");
29 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
30 my $proxy = TLSProxy::Proxy->new(
31 \&add_empty_recs_filter,
32 cmdstr(app(["openssl"]), display => 1),
33 srctop_file("apps", "server.pem"),
34 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
37 #Test 1: Injecting out of context empty records should fail
38 my $content_type = TLSProxy::Record::RT_APPLICATION_DATA;
39 my $inject_recs_num = 1;
40 $proxy->serverflags("-tls1_2");
41 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
43 if (!disabled("tls1_1")) {
46 if (!disabled("tls1_3")) {
49 plan tests => $num_tests;
50 ok(TLSProxy::Message->fail(), "Out of context empty records test");
52 #Test 2: Injecting in context empty records should succeed
54 $content_type = TLSProxy::Record::RT_HANDSHAKE;
55 $proxy->serverflags("-tls1_2");
57 ok(TLSProxy::Message->success(), "In context empty records test");
59 #Test 3: Injecting too many in context empty records should fail
61 #We allow 32 consecutive in context empty records
62 $inject_recs_num = 33;
63 $proxy->serverflags("-tls1_2");
65 ok(TLSProxy::Message->fail(), "Too many in context empty records test");
67 #Test 4: Injecting a fragmented fatal alert should fail. We actually expect no
68 # alerts to be sent from either side because *we* injected the fatal
69 # alert, i.e. this will look like a disorderly close
71 $proxy->filter(\&add_frag_alert_filter);
72 $proxy->serverflags("-tls1_2");
74 ok(!TLSProxy::Message->end(), "Fragmented alert records test");
76 #Run some SSLv2 ClientHello tests
79 TLSV1_2_IN_SSLV2 => 0,
81 FRAGMENTED_IN_TLSV1_2 => 2,
82 FRAGMENTED_IN_SSLV2 => 3,
83 ALERT_BEFORE_SSLV2 => 4
85 #Test 5: Inject an SSLv2 style record format for a TLSv1.2 ClientHello
86 my $sslv2testtype = TLSV1_2_IN_SSLV2;
88 $proxy->filter(\&add_sslv2_filter);
89 $proxy->serverflags("-tls1_2");
91 ok(TLSProxy::Message->success(), "TLSv1.2 in SSLv2 ClientHello test");
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;
98 $proxy->serverflags("-tls1_2");
100 ok(!TLSProxy::Message->end(), "SSLv2 in SSLv2 ClientHello test");
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
105 $sslv2testtype = FRAGMENTED_IN_TLSV1_2;
107 $proxy->serverflags("-tls1_2");
109 ok(TLSProxy::Message->success(), "Fragmented ClientHello in TLSv1.2 test");
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;
115 $proxy->serverflags("-tls1_2");
117 ok(TLSProxy::Message->fail(), "Fragmented ClientHello in TLSv1.2/SSLv2 test");
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;
123 $proxy->serverflags("-tls1_2");
125 ok(TLSProxy::Message->fail(), "Alert before SSLv2 ClientHello test");
127 #Unregcognised record type tests
129 #Test 10: Sending an unrecognised record type in TLS1.2 should fail
131 $proxy->filter(\&add_unknown_record_type);
133 ok(TLSProxy::Message->fail(), "Unrecognised record type in TLS1.2");
135 #Test 11: Sending an unrecognised record type in TLS1.1 should fail
136 if (!disabled("tls1_1")) {
138 $proxy->clientflags("-tls1_1");
140 ok(TLSProxy::Message->fail(), "Unrecognised record type in TLS1.1");
143 #Test 12: Sending a different record version in TLS1.2 should fail
145 $proxy->clientflags("-tls1_2");
146 $proxy->filter(\&change_version);
148 ok(TLSProxy::Message->fail(), "Changed record version in TLS1.2");
150 #Test 13: Sending a different record version in TLS1.3 should succeed
151 if (!disabled("tls1_3")) {
153 $proxy->filter(\&change_version);
155 ok(TLSProxy::Message->success(), "Changed record version in TLS1.3");
158 sub add_empty_recs_filter
162 # We're only interested in the initial ClientHello
163 if ($proxy->flight != 0) {
167 for (my $i = 0; $i < $inject_recs_num; $i++) {
168 my $record = TLSProxy::Record->new(
171 TLSProxy::Record::VERS_TLS_1_2,
180 push @{$proxy->record_list}, $record;
184 sub add_frag_alert_filter
189 # We're only interested in the initial ClientHello
190 if ($proxy->flight != 0) {
194 # Add a zero length fragment first
195 #my $record = TLSProxy::Record->new(
197 # TLSProxy::Record::RT_ALERT,
198 # TLSProxy::Record::VERS_TLS_1_2,
205 #push @{$proxy->record_list}, $record;
207 # Now add the alert level (Fatal) as a separate record
208 $byte = pack('C', TLSProxy::Message::AL_LEVEL_FATAL);
209 my $record = TLSProxy::Record->new(
211 TLSProxy::Record::RT_ALERT,
212 TLSProxy::Record::VERS_TLS_1_2,
220 push @{$proxy->record_list}, $record;
222 # And finally the description (Unexpected message) in a third record
223 $byte = pack('C', TLSProxy::Message::AL_DESC_UNEXPECTED_MESSAGE);
224 $record = TLSProxy::Record->new(
226 TLSProxy::Record::RT_ALERT,
227 TLSProxy::Record::VERS_TLS_1_2,
235 push @{$proxy->record_list}, $record;
244 # We're only interested in the initial ClientHello
245 if ($proxy->flight != 0) {
249 # Ditch the real ClientHello - we're going to replace it with our own
250 shift @{$proxy->record_list};
252 if ($sslv2testtype == ALERT_BEFORE_SSLV2) {
253 my $alert = pack('CC', TLSProxy::Message::AL_LEVEL_FATAL,
254 TLSProxy::Message::AL_DESC_NO_RENEGOTIATION);
255 my $alertlen = length $alert;
256 $record = TLSProxy::Record->new(
258 TLSProxy::Record::RT_ALERT,
259 TLSProxy::Record::VERS_TLS_1_2,
268 push @{$proxy->record_list}, $record;
271 if ($sslv2testtype == ALERT_BEFORE_SSLV2
272 || $sslv2testtype == TLSV1_2_IN_SSLV2
273 || $sslv2testtype == SSLV2_IN_SSLV2) {
274 # This is an SSLv2 format ClientHello
279 0x00, 0x03, # Ciphersuites len
280 0x00, 0x00, # Session id len
281 0x00, 0x20, # Challenge len
282 0x00, 0x00, 0x2f, #AES128-SHA
283 0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90,
284 0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56,
285 0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6; # Challenge
287 if ($sslv2testtype == SSLV2_IN_SSLV2) {
288 # Set the version to "real" SSLv2
289 vec($clienthello, 1, 8) = 0x00;
290 vec($clienthello, 2, 8) = 0x02;
293 my $chlen = length $clienthello;
295 $record = TLSProxy::Record->new(
297 TLSProxy::Record::RT_HANDSHAKE,
298 TLSProxy::Record::VERS_TLS_1_2,
307 push @{$proxy->record_list}, $record;
309 # For this test we're using a real TLS ClientHello
313 0x00, 0x00, 0x2D, # Message length
314 0x03, 0x03, # TLSv1.2
315 0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90,
316 0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56,
317 0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6, # Random
318 0x00, # Session id len
319 0x00, 0x04, # Ciphersuites len
320 0x00, 0x2f, # AES128-SHA
321 0x00, 0xff, # Empty reneg info SCSV
322 0x01, # Compression methods len
323 0x00, # Null compression
324 0x00, 0x00; # Extensions len
326 # Split this into 3: A TLS record; a SSLv2 record and a TLS record.
327 # We deliberately split the second record prior to the Challenge/Random
328 # and set the first byte of the random to 1. This makes the second SSLv2
329 # record look like an SSLv2 ClientHello
330 my $frag1 = substr $clienthello, 0, 6;
331 my $frag2 = substr $clienthello, 6, 32;
332 my $frag3 = substr $clienthello, 38;
334 my $fraglen = length $frag1;
335 $record = TLSProxy::Record->new(
337 TLSProxy::Record::RT_HANDSHAKE,
338 TLSProxy::Record::VERS_TLS_1_2,
346 push @{$proxy->record_list}, $record;
348 $fraglen = length $frag2;
350 if ($sslv2testtype == FRAGMENTED_IN_SSLV2) {
355 $record = TLSProxy::Record->new(
357 TLSProxy::Record::RT_HANDSHAKE,
358 TLSProxy::Record::VERS_TLS_1_2,
366 push @{$proxy->record_list}, $record;
368 $fraglen = length $frag3;
369 $record = TLSProxy::Record->new(
371 TLSProxy::Record::RT_HANDSHAKE,
372 TLSProxy::Record::VERS_TLS_1_2,
380 push @{$proxy->record_list}, $record;
385 sub add_unknown_record_type
389 # We'll change a record after the initial version neg has taken place
390 if ($proxy->flight != 2) {
394 my $lastrec = ${$proxy->record_list}[-1];
395 my $record = TLSProxy::Record->new(
397 TLSProxy::Record::RT_UNKNOWN,
407 unshift @{$proxy->record_list}, $record;
414 # We'll change a version after the initial version neg has taken place
415 if ($proxy->flight != 2) {
419 (${$proxy->record_list}[-1])->version(TLSProxy::Record::VERS_TLS_1_1);