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 plan tests => $num_tests;
47 ok(TLSProxy::Message->fail(), "Out of context empty records test");
49 #Test 2: Injecting in context empty records should succeed
51 $content_type = TLSProxy::Record::RT_HANDSHAKE;
52 $proxy->serverflags("-tls1_2");
54 ok(TLSProxy::Message->success(), "In context empty records test");
56 #Test 3: Injecting too many in context empty records should fail
58 #We allow 32 consecutive in context empty records
59 $inject_recs_num = 33;
60 $proxy->serverflags("-tls1_2");
62 ok(TLSProxy::Message->fail(), "Too many in context empty records test");
64 #Test 4: Injecting a fragmented fatal alert should fail. We actually expect no
65 # alerts to be sent from either side because *we* injected the fatal
66 # alert, i.e. this will look like a disorderly close
68 $proxy->filter(\&add_frag_alert_filter);
69 $proxy->serverflags("-tls1_2");
71 ok(!TLSProxy::Message->end(), "Fragmented alert records test");
73 #Run some SSLv2 ClientHello tests
76 TLSV1_2_IN_SSLV2 => 0,
78 FRAGMENTED_IN_TLSV1_2 => 2,
79 FRAGMENTED_IN_SSLV2 => 3,
80 ALERT_BEFORE_SSLV2 => 4
82 #Test 5: Inject an SSLv2 style record format for a TLSv1.2 ClientHello
83 my $sslv2testtype = TLSV1_2_IN_SSLV2;
85 $proxy->filter(\&add_sslv2_filter);
86 $proxy->serverflags("-tls1_2");
88 ok(TLSProxy::Message->success(), "TLSv1.2 in SSLv2 ClientHello test");
90 #Test 6: Inject an SSLv2 style record format for an SSLv2 ClientHello. We don't
91 # support this so it should fail. We actually treat it as an unknown
92 # protocol so we don't even send an alert in this case.
93 $sslv2testtype = SSLV2_IN_SSLV2;
95 $proxy->serverflags("-tls1_2");
97 ok(!TLSProxy::Message->end(), "SSLv2 in SSLv2 ClientHello test");
99 #Test 7: Sanity check ClientHello fragmentation. This isn't really an SSLv2 test
100 # at all, but it gives us confidence that Test 8 fails for the right
102 $sslv2testtype = FRAGMENTED_IN_TLSV1_2;
104 $proxy->serverflags("-tls1_2");
106 ok(TLSProxy::Message->success(), "Fragmented ClientHello in TLSv1.2 test");
108 #Test 8: Fragment a TLSv1.2 ClientHello across a TLS1.2 record; an SSLv2
109 # record; and another TLS1.2 record. This isn't allowed so should fail
110 $sslv2testtype = FRAGMENTED_IN_SSLV2;
112 $proxy->serverflags("-tls1_2");
114 ok(TLSProxy::Message->fail(), "Fragmented ClientHello in TLSv1.2/SSLv2 test");
116 #Test 9: Send a TLS warning alert before an SSLv2 ClientHello. This should
117 # fail because an SSLv2 ClientHello must be the first record.
118 $sslv2testtype = ALERT_BEFORE_SSLV2;
120 $proxy->serverflags("-tls1_2");
122 ok(TLSProxy::Message->fail(), "Alert before SSLv2 ClientHello test");
124 #Unregcognised record type tests
126 #Test 10: Sending an unrecognised record type in TLS1.2 should fail
128 $proxy->filter(\&add_unknown_record_type);
130 ok(TLSProxy::Message->fail(), "Unrecognised record type in TLS1.2");
132 #Test 11: Sending an unrecognised record type in TLS1.1 should fail
133 if (!disabled("tls1_1")) {
135 $proxy->clientflags("-tls1_1");
137 ok(TLSProxy::Message->fail(), "Unrecognised record type in TLS1.1");
140 sub add_empty_recs_filter
144 # We're only interested in the initial ClientHello
145 if ($proxy->flight != 0) {
149 for (my $i = 0; $i < $inject_recs_num; $i++) {
150 my $record = TLSProxy::Record->new(
153 TLSProxy::Record::VERS_TLS_1_2,
162 push @{$proxy->record_list}, $record;
166 sub add_frag_alert_filter
171 # We're only interested in the initial ClientHello
172 if ($proxy->flight != 0) {
176 # Add a zero length fragment first
177 #my $record = TLSProxy::Record->new(
179 # TLSProxy::Record::RT_ALERT,
180 # TLSProxy::Record::VERS_TLS_1_2,
187 #push @{$proxy->record_list}, $record;
189 # Now add the alert level (Fatal) as a separate record
190 $byte = pack('C', TLSProxy::Message::AL_LEVEL_FATAL);
191 my $record = TLSProxy::Record->new(
193 TLSProxy::Record::RT_ALERT,
194 TLSProxy::Record::VERS_TLS_1_2,
202 push @{$proxy->record_list}, $record;
204 # And finally the description (Unexpected message) in a third record
205 $byte = pack('C', TLSProxy::Message::AL_DESC_UNEXPECTED_MESSAGE);
206 $record = TLSProxy::Record->new(
208 TLSProxy::Record::RT_ALERT,
209 TLSProxy::Record::VERS_TLS_1_2,
217 push @{$proxy->record_list}, $record;
226 # We're only interested in the initial ClientHello
227 if ($proxy->flight != 0) {
231 # Ditch the real ClientHello - we're going to replace it with our own
232 shift @{$proxy->record_list};
234 if ($sslv2testtype == ALERT_BEFORE_SSLV2) {
235 my $alert = pack('CC', TLSProxy::Message::AL_LEVEL_FATAL,
236 TLSProxy::Message::AL_DESC_NO_RENEGOTIATION);
237 my $alertlen = length $alert;
238 $record = TLSProxy::Record->new(
240 TLSProxy::Record::RT_ALERT,
241 TLSProxy::Record::VERS_TLS_1_2,
250 push @{$proxy->record_list}, $record;
253 if ($sslv2testtype == ALERT_BEFORE_SSLV2
254 || $sslv2testtype == TLSV1_2_IN_SSLV2
255 || $sslv2testtype == SSLV2_IN_SSLV2) {
256 # This is an SSLv2 format ClientHello
261 0x00, 0x03, # Ciphersuites len
262 0x00, 0x00, # Session id len
263 0x00, 0x20, # Challenge len
264 0x00, 0x00, 0x2f, #AES128-SHA
265 0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90,
266 0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56,
267 0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6; # Challenge
269 if ($sslv2testtype == SSLV2_IN_SSLV2) {
270 # Set the version to "real" SSLv2
271 vec($clienthello, 1, 8) = 0x00;
272 vec($clienthello, 2, 8) = 0x02;
275 my $chlen = length $clienthello;
277 $record = TLSProxy::Record->new(
279 TLSProxy::Record::RT_HANDSHAKE,
280 TLSProxy::Record::VERS_TLS_1_2,
289 push @{$proxy->record_list}, $record;
291 # For this test we're using a real TLS ClientHello
295 0x00, 0x00, 0x2D, # Message length
296 0x03, 0x03, # TLSv1.2
297 0x01, 0x18, 0x9F, 0x76, 0xEC, 0x57, 0xCE, 0xE5, 0xB3, 0xAB, 0x79, 0x90,
298 0xAD, 0xAC, 0x6E, 0xD1, 0x58, 0x35, 0x03, 0x97, 0x16, 0x10, 0x82, 0x56,
299 0xD8, 0x55, 0xFF, 0xE1, 0x8A, 0xA3, 0x2E, 0xF6, # Random
300 0x00, # Session id len
301 0x00, 0x04, # Ciphersuites len
302 0x00, 0x2f, # AES128-SHA
303 0x00, 0xff, # Empty reneg info SCSV
304 0x01, # Compression methods len
305 0x00, # Null compression
306 0x00, 0x00; # Extensions len
308 # Split this into 3: A TLS record; a SSLv2 record and a TLS record.
309 # We deliberately split the second record prior to the Challenge/Random
310 # and set the first byte of the random to 1. This makes the second SSLv2
311 # record look like an SSLv2 ClientHello
312 my $frag1 = substr $clienthello, 0, 6;
313 my $frag2 = substr $clienthello, 6, 32;
314 my $frag3 = substr $clienthello, 38;
316 my $fraglen = length $frag1;
317 $record = TLSProxy::Record->new(
319 TLSProxy::Record::RT_HANDSHAKE,
320 TLSProxy::Record::VERS_TLS_1_2,
328 push @{$proxy->record_list}, $record;
330 $fraglen = length $frag2;
332 if ($sslv2testtype == FRAGMENTED_IN_SSLV2) {
337 $record = TLSProxy::Record->new(
339 TLSProxy::Record::RT_HANDSHAKE,
340 TLSProxy::Record::VERS_TLS_1_2,
348 push @{$proxy->record_list}, $record;
350 $fraglen = length $frag3;
351 $record = TLSProxy::Record->new(
353 TLSProxy::Record::RT_HANDSHAKE,
354 TLSProxy::Record::VERS_TLS_1_2,
362 push @{$proxy->record_list}, $record;
367 sub add_unknown_record_type
371 # We'll change a record after the initial version neg has taken place
372 if ($proxy->flight != 2) {
376 my $lastrec = ${$proxy->record_list}[-1];
377 my $record = TLSProxy::Record->new(
379 TLSProxy::Record::RT_UNKNOWN,
389 unshift @{$proxy->record_list}, $record;