-#!/usr/bin/perl
-# Written by Matt Caswell for the OpenSSL project.
-# ====================================================================
-# Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
+#! /usr/bin/env perl
+# Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# 1. Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# 2. Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-#
-# 3. All advertising materials mentioning features or use of this
-# software must display the following acknowledgment:
-# "This product includes software developed by the OpenSSL Project
-# for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
-#
-# 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
-# endorse or promote products derived from this software without
-# prior written permission. For written permission, please contact
-# openssl-core@openssl.org.
-#
-# 5. Products derived from this software may not be called "OpenSSL"
-# nor may "OpenSSL" appear in their names without prior written
-# permission of the OpenSSL Project.
-#
-# 6. Redistributions of any form whatsoever must retain the following
-# acknowledgment:
-# "This product includes software developed by the OpenSSL Project
-# for use in the OpenSSL Toolkit (http://www.openssl.org/)"
-#
-# THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
-# EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
-# ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
-# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
-# OF THE POSSIBILITY OF SUCH DAMAGE.
-# ====================================================================
-#
-# This product includes cryptographic software written by Eric Young
-# (eay@cryptsoft.com). This product includes software written by Tim
-# Hudson (tjh@cryptsoft.com).
+# Licensed under the Apache License 2.0 (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
use strict;
-use OpenSSL::Test qw/:DEFAULT cmdstr top_file top_dir/;
+use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
use OpenSSL::Test::Utils;
use TLSProxy::Proxy;
-my $test_name = "test_sslextension";
+my $test_name = "test_sslvertol";
setup($test_name);
plan skip_all => "TLSProxy isn't usable on $^O"
- if $^O =~ /^VMS$/;
+ if $^O =~ /^(VMS)$/;
+
+plan skip_all => "$test_name needs the dynamic engine feature enabled"
+ if disabled("engine") || disabled("dynamic-engine");
-plan skip_all => "$test_name needs the engine feature enabled"
- if disabled("engine");
+plan skip_all => "$test_name needs the sock feature enabled"
+ if disabled("sock");
-plan skip_all => "$test_name can only be performed with OpenSSL configured shared"
- if config("no_shared");
+plan skip_all => "$test_name needs TLS enabled"
+ if alldisabled(available_protocols("tls"));
-$ENV{OPENSSL_ENGINES} = top_dir("engines");
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
my $proxy = TLSProxy::Proxy->new(
\&vers_tolerance_filter,
- cmdstr(app(["openssl"])),
- top_file("apps", "server.pem")
+ cmdstr(app(["openssl"]), display => 1),
+ srctop_file("apps", "server.pem"),
+ (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
);
-plan tests => 2;
+my @available_tls_versions = ();
+foreach (available_protocols("tls")) {
+ unless (disabled($_)) {
+ note("Checking enabled protocol $_");
+ m|^([a-z]+)(\d)(_\d)?|;
+ my $versionname;
+ if (defined $3) {
+ $versionname = 'TLSProxy::Record::VERS_'.uc($1).'_'.$2.$3;
+ note("'$1', '$2', '$3' => $versionname");
+ } else {
+ $versionname = 'TLSProxy::Record::VERS_'.uc($1).'_'.$2.'_0';
+ note("'$1', '$2' => $versionname");
+ }
+ push @available_tls_versions, eval $versionname;
+ }
+}
+note("TLS versions we can expect: ", join(", ", @available_tls_versions));
-#Test 1: Asking for TLS1.3 should pass
-my $client_version = TLSProxy::Record::VERS_TLS_1_3;
-$proxy->start();
-ok(TLSProxy::Message->success(), "Version tolerance test, TLS 1.3");
+#This file does tests without the supported_versions extension.
+#See 70-test_sslversions.t for tests with supported versions.
-#Test 2: Testing something below SSLv3 should fail
+#Test 1: Asking for TLS1.4 should pass and negotiate the maximum
+#available TLS version according to configuration below TLS1.3
+my $client_version = TLSProxy::Record::VERS_TLS_1_4;
+my $previous_version = tls_version_below(TLSProxy::Record::VERS_TLS_1_3);
+$proxy->clientflags("-no_tls1_3");
+$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
+plan tests => 3;
+SKIP: {
+ skip "There are too few protocols enabled for test 1", 1
+ unless defined $previous_version;
+
+ my $record = pop @{$proxy->record_list};
+ ok((note("Record version received: ".$record->version()),
+ TLSProxy::Message->success())
+ && $record->version() == $previous_version,
+ "Version tolerance test, below TLS 1.4 and not TLS 1.3");
+}
+
+#Test 2: Asking for TLS1.3 with that disabled should succeed and negotiate
+#the highest configured TLS version below that.
+$client_version = TLSProxy::Record::VERS_TLS_1_3;
+$previous_version = tls_version_below($client_version);
+SKIP: {
+ skip "There are too few protocols enabled for test 2", 1
+ unless defined $previous_version;
+
+ $proxy->clear();
+ $proxy->clientflags("-no_tls1_3");
+ $proxy->start();
+ my $record = pop @{$proxy->record_list};
+ ok((note("Record version received: ".$record->version()),
+ TLSProxy::Message->success())
+ && $record->version() == $previous_version,
+ "Version tolerance test, max version but not TLS 1.3");
+}
+
+#Test 3: Testing something below SSLv3 should fail. We must disable TLS 1.3
+#to avoid having the 'supported_versions' extension kick in and override our
+#desires.
$client_version = TLSProxy::Record::VERS_SSL_3_0 - 1;
-$proxy->restart();
-ok(TLSProxy::Message->fail(), "Version tolerance test, SSL < 3.0");
+$proxy->clear();
+$proxy->clientflags("-no_tls1_3");
+$proxy->start();
+my $record = pop @{$proxy->record_list};
+ok((note("Record version received: ".
+ (defined $record ? $record->version() : "none")),
+ TLSProxy::Message->fail()),
+ "Version tolerance test, SSL < 3.0");
sub vers_tolerance_filter
{
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
#Set the client version
- #Anything above the max supported version (TLS1.2) should succeed
+ #Anything above the max supported version should succeed
#Anything below SSLv3 should fail
$message->client_version($client_version);
$message->repack();
}
}
}
+
+sub tls_version_below {
+ if (@_) {
+ my $term = shift;
+ my $res = undef;
+
+ foreach (@available_tls_versions) {
+ $res = $_ if $_ < $term;
+ }
+ return $res;
+ }
+ return $available_tls_versions[-1];
+}