139 lines
4.5 KiB
Perl
139 lines
4.5 KiB
Perl
#! /usr/bin/env perl
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# Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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use strict;
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use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
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use OpenSSL::Test::Utils;
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use TLSProxy::Proxy;
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my $test_name = "test_sslextension";
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setup($test_name);
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plan skip_all => "TLSProxy isn't usable on $^O"
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if $^O =~ /^(VMS)$/;
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plan skip_all => "$test_name needs the dynamic engine feature enabled"
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if disabled("engine") || disabled("dynamic-engine");
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plan skip_all => "$test_name needs the sock feature enabled"
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if disabled("sock");
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plan skip_all => "$test_name needs TLS enabled"
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if alldisabled(available_protocols("tls"));
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$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
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my $proxy = TLSProxy::Proxy->new(
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\&vers_tolerance_filter,
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cmdstr(app(["openssl"]), display => 1),
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srctop_file("apps", "server.pem"),
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(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
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);
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my @available_tls_versions = ();
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foreach (available_protocols("tls")) {
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unless (disabled($_)) {
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note("Checking enabled protocol $_");
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m|^([a-z]+)(\d)(_\d)?|;
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my $versionname;
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if (defined $3) {
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$versionname = 'TLSProxy::Record::VERS_'.uc($1).'_'.$2.$3;
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note("'$1', '$2', '$3' => $versionname");
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} else {
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$versionname = 'TLSProxy::Record::VERS_'.uc($1).'_'.$2.'_0';
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note("'$1', '$2' => $versionname");
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}
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push @available_tls_versions, eval $versionname;
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}
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}
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note("TLS versions we can expect: ", join(", ", @available_tls_versions));
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#This file does tests without the supported_versions extension.
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#See 70-test_sslversions.t for tests with supported versions.
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#Test 1: Asking for TLS1.4 should pass and negotiate the maximum
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#available TLS version according to configuration below TLS1.3
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my $client_version = TLSProxy::Record::VERS_TLS_1_4;
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my $previous_version = tls_version_below(TLSProxy::Record::VERS_TLS_1_3);
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$proxy->clientflags("-no_tls1_3");
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$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
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plan tests => 3;
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SKIP: {
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skip "There are too few protocols enabled for test 1", 1
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unless defined $previous_version;
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my $record = pop @{$proxy->record_list};
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ok((note("Record version received: ".$record->version()),
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TLSProxy::Message->success())
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&& $record->version() == $previous_version,
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"Version tolerance test, below TLS 1.4 and not TLS 1.3");
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}
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#Test 2: Asking for TLS1.3 with that disabled should succeed and negotiate
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#the highest configured TLS version below that.
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$client_version = TLSProxy::Record::VERS_TLS_1_3;
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$previous_version = tls_version_below($client_version);
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SKIP: {
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skip "There are too few protocols enabled for test 2", 1
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unless defined $previous_version;
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$proxy->clear();
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$proxy->clientflags("-no_tls1_3");
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$proxy->start();
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my $record = pop @{$proxy->record_list};
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ok((note("Record version received: ".$record->version()),
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TLSProxy::Message->success())
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&& $record->version() == $previous_version,
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"Version tolerance test, max version but not TLS 1.3");
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}
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#Test 3: Testing something below SSLv3 should fail. We must disable TLS 1.3
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#to avoid having the 'supported_versions' extension kick in and override our
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#desires.
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$client_version = TLSProxy::Record::VERS_SSL_3_0 - 1;
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$proxy->clear();
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$proxy->clientflags("-no_tls1_3");
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$proxy->start();
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my $record = pop @{$proxy->record_list};
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ok((note("Record version received: ".
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(defined $record ? $record->version() : "none")),
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TLSProxy::Message->fail()),
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"Version tolerance test, SSL < 3.0");
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sub vers_tolerance_filter
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{
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my $proxy = shift;
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# We're only interested in the initial ClientHello
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if ($proxy->flight != 0) {
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return;
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}
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foreach my $message (@{$proxy->message_list}) {
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if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
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#Set the client version
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#Anything above the max supported version should succeed
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#Anything below SSLv3 should fail
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$message->client_version($client_version);
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$message->repack();
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}
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}
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}
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sub tls_version_below {
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if (@_) {
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my $term = shift;
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my $res = undef;
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foreach (@available_tls_versions) {
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$res = $_ if $_ < $term;
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}
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return $res;
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}
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return $available_tls_versions[-1];
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}
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