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"));
29 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
30 my $proxy = TLSProxy::Proxy->new(
31 \&vers_tolerance_filter,
32 cmdstr(app(["openssl"]), display => 1),
33 srctop_file("apps", "server.pem"),
34 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
37 my @available_tls_versions = ();
38 foreach (available_protocols("tls")) {
39 unless (disabled($_)) {
40 note("Checking enabled protocol $_");
41 m|^([a-z]+)(\d)(_\d)?|;
44 $versionname = 'TLSProxy::Record::VERS_'.uc($1).'_'.$2.$3;
45 note("'$1', '$2', '$3' => $versionname");
47 $versionname = 'TLSProxy::Record::VERS_'.uc($1).'_'.$2.'_0';
48 note("'$1', '$2' => $versionname");
50 push @available_tls_versions, eval $versionname;
53 note("TLS versions we can expect: ", join(", ", @available_tls_versions));
55 #This file does tests without the supported_versions extension.
56 #See 70-test_sslversions.t for tests with supported versions.
58 #Test 1: Asking for TLS1.4 should pass and negotiate the maximum
59 #available TLS version according to configuration below TLS1.3
60 my $client_version = TLSProxy::Record::VERS_TLS_1_4;
61 my $previous_version = tls_version_below(TLSProxy::Record::VERS_TLS_1_3);
62 $proxy->clientflags("-no_tls1_3");
63 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
66 skip "There are too few protocols enabled for test 1", 1
67 unless defined $previous_version;
69 my $record = pop @{$proxy->record_list};
70 ok((note("Record version received: ".$record->version()),
71 TLSProxy::Message->success())
72 && $record->version() == $previous_version,
73 "Version tolerance test, below TLS 1.4 and not TLS 1.3");
76 #Test 2: Asking for TLS1.3 with that disabled should succeed and negotiate
77 #the highest configured TLS version below that.
78 $client_version = TLSProxy::Record::VERS_TLS_1_3;
79 $previous_version = tls_version_below($client_version);
81 skip "There are too few protocols enabled for test 2", 1
82 unless defined $previous_version;
85 $proxy->clientflags("-no_tls1_3");
87 my $record = pop @{$proxy->record_list};
88 ok((note("Record version received: ".$record->version()),
89 TLSProxy::Message->success())
90 && $record->version() == $previous_version,
91 "Version tolerance test, max version but not TLS 1.3");
94 #Test 3: Testing something below SSLv3 should fail. We must disable TLS 1.3
95 #to avoid having the 'supported_versions' extension kick in and override our
97 $client_version = TLSProxy::Record::VERS_SSL_3_0 - 1;
99 $proxy->clientflags("-no_tls1_3");
101 my $record = pop @{$proxy->record_list};
102 ok((note("Record version received: ".
103 (defined $record ? $record->version() : "none")),
104 TLSProxy::Message->fail()),
105 "Version tolerance test, SSL < 3.0");
107 sub vers_tolerance_filter
111 # We're only interested in the initial ClientHello
112 if ($proxy->flight != 0) {
116 foreach my $message (@{$proxy->message_list}) {
117 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
118 #Set the client version
119 #Anything above the max supported version should succeed
120 #Anything below SSLv3 should fail
121 $message->client_version($client_version);
127 sub tls_version_below {
132 foreach (@available_tls_versions) {
133 $res = $_ if $_ < $term;
137 return $available_tls_versions[-1];