2 # Copyright 2015-2018 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_sslextension";
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 TLS enabled"
27 if alldisabled(available_protocols("tls"));
30 UNSOLICITED_SERVER_NAME => 0,
31 UNSOLICITED_SERVER_NAME_TLS13 => 1,
33 NONCOMPLIANT_SUPPORTED_GROUPS => 3
38 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
39 my $proxy = TLSProxy::Proxy->new(
41 cmdstr(app(["openssl"]), display => 1),
42 srctop_file("apps", "server.pem"),
43 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
46 # Test 1: Sending a zero length extension block should pass
47 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
49 ok(TLSProxy::Message->success, "Zero extension length test");
55 if ($proxy->flight == 1) {
56 # Change the ServerRandom so that the downgrade sentinel doesn't cause
57 # the connection to fail
58 my $message = ${$proxy->message_list}[1];
59 $message->random("\0"x32);
64 # We're only interested in the initial ClientHello
65 if ($proxy->flight != 0) {
69 foreach my $message (@{$proxy->message_list}) {
70 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
71 # Remove all extensions and set the extension len to zero
72 $message->extension_data({});
73 $message->extensions_len(0);
74 # Extensions have been removed so make sure we don't try to use them
75 $message->process_extensions();
82 # Test 2-3: Sending a duplicate extension should fail.
83 sub inject_duplicate_extension
85 my ($proxy, $message_type) = @_;
87 foreach my $message (@{$proxy->message_list}) {
88 if ($message->mt == $message_type) {
89 my %extensions = %{$message->extension_data};
90 # Add a duplicate (unknown) extension.
91 $message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
92 $message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
98 sub inject_duplicate_extension_clienthello
102 # We're only interested in the initial ClientHello
103 if ($proxy->flight != 0) {
107 inject_duplicate_extension($proxy, TLSProxy::Message::MT_CLIENT_HELLO);
110 sub inject_duplicate_extension_serverhello
114 # We're only interested in the initial ServerHello
115 if ($proxy->flight != 1) {
119 inject_duplicate_extension($proxy, TLSProxy::Message::MT_SERVER_HELLO);
123 $proxy->filter(\&inject_duplicate_extension_clienthello);
125 ok(TLSProxy::Message->fail(), "Duplicate ClientHello extension");
128 $proxy->filter(\&inject_duplicate_extension_serverhello);
130 ok(TLSProxy::Message->fail(), "Duplicate ServerHello extension");
132 sub inject_unsolicited_extension
137 # We're only interested in the initial ServerHello/EncryptedExtensions
138 if ($proxy->flight != 1) {
142 if ($testtype == UNSOLICITED_SERVER_NAME_TLS13) {
143 $message = ${$proxy->message_list}[2];
144 die "Expecting EE message ".($message->mt).", ".${$proxy->message_list}[1]->mt.", ".${$proxy->message_list}[3]->mt if $message->mt != TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS;
146 $message = ${$proxy->message_list}[1];
150 0x00, 0x00; #Extension length
153 if ($testtype == UNSOLICITED_SERVER_NAME
154 || $testtype == UNSOLICITED_SERVER_NAME_TLS13) {
155 $type = TLSProxy::Message::EXT_SERVER_NAME;
156 } elsif ($testtype == UNSOLICITED_SCT) {
157 $type = TLSProxy::Message::EXT_SCT;
158 } elsif ($testtype == NONCOMPLIANT_SUPPORTED_GROUPS) {
159 $type = TLSProxy::Message::EXT_SUPPORTED_GROUPS;
161 $message->set_extension($type, $ext);
166 skip "TLS <= 1.2 disabled", 2 if alldisabled(("tls1", "tls1_1", "tls1_2"));
167 #Test 4: Inject an unsolicited extension (<= TLSv1.2)
169 $proxy->filter(\&inject_unsolicited_extension);
170 $testtype = UNSOLICITED_SERVER_NAME;
171 $proxy->clientflags("-no_tls1_3 -noservername");
173 ok(TLSProxy::Message->fail(), "Unsolicited server name extension");
175 #Test 5: Inject a noncompliant supported_groups extension (<= TLSv1.2)
177 $proxy->filter(\&inject_unsolicited_extension);
178 $testtype = NONCOMPLIANT_SUPPORTED_GROUPS;
179 $proxy->clientflags("-no_tls1_3");
181 ok(TLSProxy::Message->success(), "Noncompliant supported_groups extension");
185 skip "TLS <= 1.2 or CT disabled", 1
186 if alldisabled(("tls1", "tls1_1", "tls1_2")) || disabled("ct");
187 #Test 6: Same as above for the SCT extension which has special handling
189 $testtype = UNSOLICITED_SCT;
190 $proxy->clientflags("-no_tls1_3");
192 ok(TLSProxy::Message->fail(), "Unsolicited sct extension");
196 skip "TLS 1.3 disabled", 1 if disabled("tls1_3");
197 #Test 7: Inject an unsolicited extension (TLSv1.3)
199 $proxy->filter(\&inject_unsolicited_extension);
200 $testtype = UNSOLICITED_SERVER_NAME_TLS13;
201 $proxy->clientflags("-noservername");
203 ok(TLSProxy::Message->fail(), "Unsolicited server name extension (TLSv1.3)");