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.
57 #Test 1: Asking for TLS1.4 should pass and negotiate the maximum
58 #available TLS version according to configuration below TLS1.3
59 my $client_version = TLSProxy::Record::VERS_TLS_1_4;
60 $proxy->clientflags("-no_tls1_3");
61 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
63 my $record = pop @{$proxy->record_list};
64 ok((note("Record version received: ".
65 (defined $record ? $record->version() : "none")),
66 TLSProxy::Message->success())
67 && $record->version() == tls_version_below(TLSProxy::Record::VERS_TLS_1_3),
68 "Version tolerance test, below TLS 1.4 and not TLS 1.3");
70 #Test 2: Asking for TLS1.3 with that disabled should succeed and negotiate
71 #the highest configured TLS version below that.
72 $client_version = TLSProxy::Record::VERS_TLS_1_3;
74 $proxy->clientflags("-no_tls1_3");
76 $record = pop @{$proxy->record_list};
77 ok((note("Record version received: ".
78 (defined $record ? $record->version() : "none")),
79 TLSProxy::Message->success())
80 && $record->version() == tls_version_below(TLSProxy::Record::VERS_TLS_1_3),
81 "Version tolerance test, max version but not TLS 1.3");
83 #Test 3: Testing something below SSLv3 should fail. We must disable TLS 1.3
84 #to avoid having the 'supported_versions' extension kick in and override our
86 $client_version = TLSProxy::Record::VERS_SSL_3_0 - 1;
88 $proxy->clientflags("-no_tls1_3");
90 $record = pop @{$proxy->record_list};
91 ok((note("Record version received: ".
92 (defined $record ? $record->version() : "none")),
93 TLSProxy::Message->fail()),
94 "Version tolerance test, SSL < 3.0");
96 sub vers_tolerance_filter
100 # We're only interested in the initial ClientHello
101 if ($proxy->flight != 0) {
105 foreach my $message (@{$proxy->message_list}) {
106 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
107 #Set the client version
108 #Anything above the max supported version should succeed
109 #Anything below SSLv3 should fail
110 $message->client_version($client_version);
116 sub tls_version_below {
121 foreach (@available_tls_versions) {
122 $res = $_ if $_ < $term;
126 return $available_tls_versions[-1];