2 # Copyright 2017-2018 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
;
14 my $test_name = "test_tls13hrr";
17 plan skip_all
=> "TLSProxy isn't usable on $^O"
20 plan skip_all
=> "$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 TLS1.3 enabled"
27 if disabled
("tls1_3");
29 $ENV{OPENSSL_ia32cap
} = '~0x200000200000000';
31 my $proxy = TLSProxy
::Proxy
->new(
33 cmdstr
(app
(["openssl"]), display
=> 1),
34 srctop_file
("apps", "server.pem"),
35 (!$ENV{HARNESS_ACTIVE
} || $ENV{HARNESS_VERBOSE
})
39 CHANGE_HRR_CIPHERSUITE
=> 0,
40 CHANGE_CH1_CIPHERSUITE
=> 1
43 #Test 1: A client should fail if the server changes the ciphersuite between the
45 $proxy->filter(\
&hrr_filter
);
47 $proxy->serverflags("-curves ffdhe3072");
49 $proxy->serverflags("-curves P-256");
51 my $testtype = CHANGE_HRR_CIPHERSUITE
;
52 $proxy->start() or plan skip_all
=> "Unable to start up Proxy for tests";
54 ok
(TLSProxy
::Message
->fail(), "Server ciphersuite changes");
56 #Test 2: It is an error if the client changes the offered ciphersuites so that
57 # we end up selecting a different ciphersuite between HRR and the SH
60 $proxy->serverflags("-curves ffdhe3072");
62 $proxy->serverflags("-curves P-256");
64 $proxy->ciphersuitess("TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384");
65 $testtype = CHANGE_CH1_CIPHERSUITE
;
67 ok
(TLSProxy
::Message
->fail(), "Client ciphersuite changes");
73 if ($testtype == CHANGE_HRR_CIPHERSUITE
) {
74 # We're only interested in the HRR
75 if ($proxy->flight != 1) {
79 my $hrr = ${$proxy->message_list}[1];
81 # We will normally only ever select CIPHER_TLS13_AES_128_GCM_SHA256
82 # because that's what Proxy tells s_server to do. Setting as below means
83 # the ciphersuite will change will we get the ServerHello
84 $hrr->ciphersuite(TLSProxy
::Message
::CIPHER_TLS13_AES_256_GCM_SHA384
);
89 # CHANGE_CH1_CIPHERSUITE
90 if ($proxy->flight != 0) {
94 my $ch1 = ${$proxy->message_list}[0];
96 # The server will always pick TLS_AES_256_GCM_SHA384
97 my @ciphersuites = (TLSProxy
::Message
::CIPHER_TLS13_AES_128_GCM_SHA256
);
98 $ch1->ciphersuite_len(2 * scalar @ciphersuites);
99 $ch1->ciphersuites(\
@ciphersuites);