2 # Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
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
10 use OpenSSL
::Test qw
/:DEFAULT cmdstr srctop_file bldtop_dir/;
11 use OpenSSL
::Test
::Utils
;
13 use File
::Temp
qw(tempfile);
16 REVERSE_ORDER_VERSIONS
=> 1,
17 UNRECOGNISED_VERSIONS
=> 2,
20 TLS1_1_AND_1_0_ONLY
=> 5,
22 BAD_LEGACY_VERSION
=> 7
27 my $test_name = "test_sslversions";
30 plan skip_all
=> "TLSProxy isn't usable on $^O"
33 plan skip_all
=> "$test_name needs the dynamic engine feature enabled"
34 if disabled
("engine") || disabled
("dynamic-engine");
36 plan skip_all
=> "$test_name needs the sock feature enabled"
39 plan skip_all
=> "$test_name needs TLS1.3, TLS1.2 and TLS1.1 enabled"
40 if disabled
("tls1_3") || disabled
("tls1_2") || disabled
("tls1_1");
42 $ENV{OPENSSL_ia32cap
} = '~0x200000200000000';
44 my $proxy = TLSProxy
::Proxy
->new(
46 cmdstr
(app
(["openssl"]), display
=> 1),
47 srctop_file
("apps", "server.pem"),
48 (!$ENV{HARNESS_ACTIVE
} || $ENV{HARNESS_VERBOSE
})
51 #We're just testing various negative and unusual scenarios here. ssltest with
52 #02-protocol-version.conf should check all the various combinations of normal
55 #Test 1: An empty supported_versions extension should not succeed
56 $testtype = EMPTY_EXTENSION
;
57 $proxy->filter(\
&modify_supported_versions_filter
);
58 $proxy->start() or plan skip_all
=> "Unable to start up Proxy for tests";
60 ok
(TLSProxy
::Message
->fail(), "Empty supported versions");
62 #Test 2: supported_versions extension with no recognised versions should not
65 $testtype = UNRECOGNISED_VERSIONS
;
67 ok
(TLSProxy
::Message
->fail(), "No recognised versions");
69 #Test 3: No supported versions extensions should succeed and select TLSv1.2
71 $testtype = NO_EXTENSION
;
73 my $record = pop @
{$proxy->record_list};
74 ok
(TLSProxy
::Message
->success()
75 && $record->version() == TLSProxy
::Record
::VERS_TLS_1_2
,
76 "No supported versions extension");
78 #Test 4: No supported versions extensions should fail if only TLS1.3 available
80 $proxy->serverflags("-tls1_3");
82 ok
(TLSProxy
::Message
->fail(), "No supported versions extension (only TLS1.3)");
84 #Test 5: supported versions extension with best version last should succeed
87 $testtype = REVERSE_ORDER_VERSIONS
;
89 $record = pop @
{$proxy->record_list};
90 ok
(TLSProxy
::Message
->success()
91 && $record->version() == TLSProxy
::Record
::VERS_TLS_1_2
92 && TLSProxy
::Proxy
->is_tls13(),
93 "Reverse order versions");
95 #Test 6: no TLSv1.3 or TLSv1.2 version in supported versions extension, but
96 #TLSv1.1 and TLSv1.0 are present. Should just use TLSv1.1 and succeed
98 $testtype = TLS1_1_AND_1_0_ONLY
;
100 $record = pop @
{$proxy->record_list};
101 ok
(TLSProxy
::Message
->success()
102 && $record->version() == TLSProxy
::Record
::VERS_TLS_1_1
,
103 "TLS1.1 and TLS1.0 in supported versions extension only");
105 #Test 7: TLS1.4 and TLS1.3 in supported versions. Should succeed and use TLS1.3
107 $testtype = WITH_TLS1_4
;
109 $record = pop @
{$proxy->record_list};
110 ok
(TLSProxy
::Message
->success()
111 && $record->version() == TLSProxy
::Record
::VERS_TLS_1_2
112 && TLSProxy
::Proxy
->is_tls13(),
113 "TLS1.4 in supported versions extension");
115 #Test 8: Set the legacy version to SSLv3 with supported versions. Should fail
117 $testtype = BAD_LEGACY_VERSION
;
119 ok
(TLSProxy
::Message
->fail(), "Legacy version is SSLv3 with supported versions");
121 sub modify_supported_versions_filter
125 if ($proxy->flight == 1) {
126 # Change the ServerRandom so that the downgrade sentinel doesn't cause
127 # the connection to fail
128 my $message = ${$proxy->message_list}[1];
129 return if (!defined $message);
131 $message->random("\0"x32
);
136 # We're only interested in the initial ClientHello
137 if ($proxy->flight != 0) {
141 foreach my $message (@
{$proxy->message_list}) {
142 if ($message->mt == TLSProxy
::Message
::MT_CLIENT_HELLO
) {
144 if ($testtype == REVERSE_ORDER_VERSIONS
) {
149 } elsif ($testtype == UNRECOGNISED_VERSIONS
) {
152 0x04, 0x04, #Some unrecognised version
153 0x04, 0x03; #Another unrecognised version
154 } elsif ($testtype == TLS1_1_AND_1_0_ONLY
) {
159 } elsif ($testtype == WITH_TLS1_4
) {
165 if ($testtype == REVERSE_ORDER_VERSIONS
166 || $testtype == UNRECOGNISED_VERSIONS
167 || $testtype == TLS1_1_AND_1_0_ONLY
168 || $testtype == WITH_TLS1_4
) {
169 $message->set_extension(
170 TLSProxy
::Message
::EXT_SUPPORTED_VERSIONS
, $ext);
171 } elsif ($testtype == EMPTY_EXTENSION
) {
172 $message->set_extension(
173 TLSProxy
::Message
::EXT_SUPPORTED_VERSIONS
, "");
174 } elsif ($testtype == NO_EXTENSION
) {
175 $message->delete_extension(
176 TLSProxy
::Message
::EXT_SUPPORTED_VERSIONS
);
179 $message->client_version(TLSProxy
::Record
::VERS_SSL_3_0
);