2 # Copyright 2015-2021 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);
15 my $test_name = "test_tlsextms";
18 plan skip_all
=> "TLSProxy isn't usable on $^O"
21 plan skip_all
=> "$test_name needs the dynamic engine feature enabled"
22 if disabled
("engine") || disabled
("dynamic-engine");
24 plan skip_all
=> "$test_name needs the sock feature enabled"
27 plan skip_all
=> "$test_name needs TLSv1.0, TLSv1.1 or TLSv1.2 enabled"
28 if disabled
("tls1") && disabled
("tls1_1") && disabled
("tls1_2");
30 $ENV{OPENSSL_ia32cap
} = '~0x200000200000000';
32 sub checkmessages
($$$$$);
42 my $proxy = TLSProxy
::Proxy
->new(
44 cmdstr
(app
(["openssl"]), display
=> 1),
45 srctop_file
("apps", "server.pem"),
46 (!$ENV{HARNESS_ACTIVE
} || $ENV{HARNESS_VERBOSE
})
49 #Note that EXTMS is only relevant for <TLS1.3
51 #Test 1: By default server and client should send extended master secret
53 #Expected result: ClientHello extension seen; ServerHello extension seen
57 $proxy->clientflags("-no_tls1_3");
58 $proxy->start() or plan skip_all
=> "Unable to start up Proxy for tests";
60 checkmessages
(1, "Default extended master secret test", 1, 1, 1);
62 #Test 2: If client omits extended master secret extension, server should too.
63 #Expected result: ClientHello extension not seen; ServerHello extension not seen
68 $proxy->clientflags("-no_tls1_3");
70 checkmessages
(2, "No client extension extended master secret test", 0, 0, 1);
72 # Test 3: same as 1 but with session tickets disabled.
73 # Expected result: same as test 1.
76 $proxy->clientflags("-no_ticket -no_tls1_3");
79 checkmessages
(3, "No ticket extended master secret test", 1, 1, 1);
81 # Test 4: same as 2 but with session tickets disabled.
82 # Expected result: same as test 2.
85 $proxy->clientflags("-no_ticket -no_tls1_3");
88 checkmessages
(4, "No ticket, no client extension extended master secret test", 0, 0, 1);
90 #Test 5: Session resumption extended master secret test
92 #Expected result: ClientHello extension seen; ServerHello extension seen
93 # Abbreviated handshake
97 (undef, my $session) = tempfile
();
98 $proxy->serverconnects(2);
99 $proxy->clientflags("-no_tls1_3 -sess_out ".$session);
101 $proxy->clearClient();
102 $proxy->clientflags("-no_tls1_3 -sess_in ".$session);
103 $proxy->clientstart();
104 checkmessages
(5, "Session resumption extended master secret test", 1, 1, 0);
107 #Test 6: Session resumption extended master secret test original session
108 # omits extension. Server must not resume session.
109 #Expected result: ClientHello extension seen; ServerHello extension seen
114 (undef, $session) = tempfile
();
115 $proxy->serverconnects(2);
116 $proxy->clientflags("-no_tls1_3 -sess_out ".$session);
118 $proxy->clearClient();
119 $proxy->clientflags("-no_tls1_3 -sess_in ".$session);
121 $proxy->clientstart();
122 checkmessages
(6, "Session resumption extended master secret test", 1, 1, 1);
125 #Test 7: Session resumption extended master secret test resumed session
126 # omits client extension. Server must abort connection.
127 #Expected result: aborted connection.
131 (undef, $session) = tempfile
();
132 $proxy->serverconnects(2);
133 $proxy->clientflags("-no_tls1_3 -sess_out ".$session);
135 $proxy->clearClient();
136 $proxy->clientflags("-no_tls1_3 -sess_in ".$session);
138 $proxy->clientstart();
139 ok
(TLSProxy
::Message
->fail(), "Client inconsistent session resumption");
142 #Test 8: Session resumption extended master secret test resumed session
143 # omits server extension. Client must abort connection.
144 #Expected result: aborted connection.
148 (undef, $session) = tempfile
();
149 $proxy->serverconnects(2);
150 $proxy->clientflags("-no_tls1_3 -sess_out ".$session);
152 $proxy->clearClient();
153 $proxy->clientflags("-no_tls1_3 -sess_in ".$session);
155 $proxy->clientstart();
156 ok
(TLSProxy
::Message
->fail(), "Server inconsistent session resumption 1");
159 #Test 9: Session resumption extended master secret test initial session
160 # omits server extension. Client must abort connection.
161 #Expected result: aborted connection.
165 (undef, $session) = tempfile
();
166 $proxy->serverconnects(2);
167 $proxy->clientflags("-no_tls1_3 -sess_out ".$session);
169 $proxy->clearClient();
170 $proxy->clientflags("-no_tls1_3 -sess_in ".$session);
172 $proxy->clientstart();
173 ok
(TLSProxy
::Message
->fail(), "Server inconsistent session resumption 2");
177 skip
"TLS 1.3 disabled", 1
178 if disabled
("tls1_3") || (disabled
("ec") && disabled
("dh"));
180 #Test 10: In TLS1.3 we should not negotiate extended master secret
181 #Expected result: ClientHello extension seen; ServerHello extension not seen
182 # TLS1.3 handshake (will appear as abbreviated handshake
183 # because of no CKE message)
187 checkmessages
(10, "TLS1.3 extended master secret test", 1, 0, 0);
195 foreach my $message (@
{$proxy->message_list}) {
196 if ($crmextms && $message->mt == TLSProxy
::Message
::MT_CLIENT_HELLO
) {
197 $message->delete_extension(TLSProxy
::Message
::EXT_EXTENDED_MASTER_SECRET
);
200 if ($srmextms && $message->mt == TLSProxy
::Message
::MT_SERVER_HELLO
) {
201 $message->delete_extension(TLSProxy
::Message
::EXT_EXTENDED_MASTER_SECRET
);
207 sub checkmessages
($$$$$)
209 my ($testno, $testname, $testcextms, $testsextms, $testhand) = @_;
211 subtest
$testname => sub {
213 foreach my $message (@
{$proxy->message_list}) {
214 if ($message->mt == TLSProxy
::Message
::MT_CLIENT_HELLO
215 || $message->mt == TLSProxy
::Message
::MT_SERVER_HELLO
) {
216 #Get the extensions data
217 my %extensions = %{$message->extension_data};
219 $extensions{TLSProxy
::Message
::EXT_EXTENDED_MASTER_SECRET
}) {
220 if ($message->mt == TLSProxy
::Message
::MT_CLIENT_HELLO
) {
226 } elsif ($message->mt == TLSProxy
::Message
::MT_CLIENT_KEY_EXCHANGE
) {
227 #Must be doing a full handshake
234 ok
(TLSProxy
::Message
->success, "Handshake");
236 ok
($testcextms == $cextms,
237 "ClientHello extension extended master secret check");
238 ok
($testsextms == $sextms,
239 "ServerHello extension extended master secret check");
240 ok
($testhand == $fullhand,
241 "Extended master secret full handshake check");
248 ($crmextms, $srmextms) = @_;