2 # Copyright 2015-2016 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_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,
37 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
38 my $proxy = TLSProxy::Proxy->new(
40 cmdstr(app(["openssl"]), display => 1),
41 srctop_file("apps", "server.pem"),
42 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
45 # Test 1: Sending a zero length extension block should pass
46 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
48 ok(TLSProxy::Message->success, "Zero extension length test");
54 if ($proxy->flight == 1) {
55 # Change the ServerRandom so that the downgrade sentinel doesn't cause
56 # the connection to fail
57 my $message = ${$proxy->message_list}[1];
58 $message->random("\0"x32);
63 # We're only interested in the initial ClientHello
64 if ($proxy->flight != 0) {
68 foreach my $message (@{$proxy->message_list}) {
69 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
70 # Remove all extensions and set the extension len to zero
71 $message->extension_data({});
72 $message->extensions_len(0);
73 # Extensions have been removed so make sure we don't try to use them
74 $message->process_extensions();
81 # Test 2-3: Sending a duplicate extension should fail.
82 sub inject_duplicate_extension
84 my ($proxy, $message_type) = @_;
86 foreach my $message (@{$proxy->message_list}) {
87 if ($message->mt == $message_type) {
88 my %extensions = %{$message->extension_data};
89 # Add a duplicate (unknown) extension.
90 $message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
91 $message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
97 sub inject_duplicate_extension_clienthello
101 # We're only interested in the initial ClientHello
102 if ($proxy->flight != 0) {
106 inject_duplicate_extension($proxy, TLSProxy::Message::MT_CLIENT_HELLO);
109 sub inject_duplicate_extension_serverhello
113 # We're only interested in the initial ServerHello
114 if ($proxy->flight != 1) {
118 inject_duplicate_extension($proxy, TLSProxy::Message::MT_SERVER_HELLO);
122 $proxy->filter(\&inject_duplicate_extension_clienthello);
124 ok(TLSProxy::Message->fail(), "Duplicate ClientHello extension");
127 $proxy->filter(\&inject_duplicate_extension_serverhello);
129 ok(TLSProxy::Message->fail(), "Duplicate ServerHello extension");
131 sub inject_unsolicited_extension
136 # We're only interested in the initial ServerHello/EncryptedExtensions
137 if ($proxy->flight != 1) {
141 if ($testtype == UNSOLICITED_SERVER_NAME_TLS13) {
142 $message = ${$proxy->message_list}[2];
143 die "Expecting EE message ".($message->mt).", ".${$proxy->message_list}[1]->mt.", ".${$proxy->message_list}[3]->mt if $message->mt != TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS;
145 $message = ${$proxy->message_list}[1];
149 0x00, 0x00; #Extension length
152 if ($testtype == UNSOLICITED_SERVER_NAME
153 || $testtype == UNSOLICITED_SERVER_NAME_TLS13) {
154 $type = TLSProxy::Message::EXT_SERVER_NAME;
155 } elsif ($testtype == UNSOLICITED_SCT) {
156 $type = TLSProxy::Message::EXT_SCT;
158 $message->set_extension($type, $ext);
163 skip "TLS <= 1.2 disabled", 2 if alldisabled(("tls1", "tls1_1", "tls1_2"));
164 #Test 4: Inject an unsolicited extension (<= TLSv1.2)
166 $proxy->filter(\&inject_unsolicited_extension);
167 $testtype = UNSOLICITED_SERVER_NAME;
168 $proxy->clientflags("-no_tls1_3 -noservername");
170 ok(TLSProxy::Message->fail(), "Unsolicited server name extension");
172 #Test 5: Same as above for the SCT extension which has special handling
174 $testtype = UNSOLICITED_SCT;
175 $proxy->clientflags("-no_tls1_3");
177 ok(TLSProxy::Message->fail(), "Unsolicited sct extension");
181 skip "TLS 1.3 disabled", 1 if disabled("tls1_3");
182 #Test 6: Inject an unsolicited extension (TLSv1.3)
184 $proxy->filter(\&inject_unsolicited_extension);
185 $testtype = UNSOLICITED_SERVER_NAME_TLS13;
186 $proxy->clientflags("-noservername");
188 ok(TLSProxy::Message->fail(), "Unsolicited server name extension (TLSv1.3)");