mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
b9647e34ff
Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3022)
94 lines
2.6 KiB
Perl
94 lines
2.6 KiB
Perl
#! /usr/bin/env perl
|
|
# Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
|
|
#
|
|
# Licensed under the OpenSSL license (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 srctop_file bldtop_dir/;
|
|
use OpenSSL::Test::Utils;
|
|
use TLSProxy::Proxy;
|
|
|
|
my $test_name = "test_tls13downgrade";
|
|
setup($test_name);
|
|
|
|
plan skip_all => "TLSProxy isn't usable on $^O"
|
|
if $^O =~ /^(VMS|MSWin32)$/;
|
|
|
|
plan skip_all => "$test_name needs the dynamic engine feature enabled"
|
|
if disabled("engine") || disabled("dynamic-engine");
|
|
|
|
plan skip_all => "$test_name needs the sock feature enabled"
|
|
if disabled("sock");
|
|
|
|
plan skip_all => "$test_name needs TLS1.3 and TLS1.2 enabled"
|
|
if disabled("tls1_3") || disabled("tls1_2");
|
|
|
|
# TODO(TLS1.3): Enable this when TLSv1.3 comes out of draft
|
|
plan skip_all => "$test_name not run in pre TLSv1.3 RFC implementation"
|
|
if disabled("tls13downgrade");
|
|
|
|
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
|
|
|
|
my $proxy = TLSProxy::Proxy->new(
|
|
undef,
|
|
cmdstr(app(["openssl"]), display => 1),
|
|
srctop_file("apps", "server.pem"),
|
|
(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
|
|
);
|
|
|
|
use constant {
|
|
DOWNGRADE_TO_TLS_1_2 => 0,
|
|
DOWNGRADE_TO_TLS_1_1 => 1
|
|
};
|
|
|
|
#Test 1: Downgrade from TLSv1.3 to TLSv1.2
|
|
$proxy->filter(\&downgrade_filter);
|
|
my $testtype = DOWNGRADE_TO_TLS_1_2;
|
|
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
|
|
plan tests => 3;
|
|
ok(TLSProxy::Message->fail(), "Downgrade TLSv1.3 to TLSv1.2");
|
|
|
|
#Test 2: Downgrade from TLSv1.3 to TLSv1.1
|
|
$proxy->clear();
|
|
$testtype = DOWNGRADE_TO_TLS_1_1;
|
|
$proxy->start();
|
|
ok(TLSProxy::Message->fail(), "Downgrade TLSv1.3 to TLSv1.1");
|
|
|
|
#Test 3: Downgrade from TLSv1.2 to TLSv1.1
|
|
$proxy->clear();
|
|
$proxy->clientflags("-no_tls1_3");
|
|
$proxy->serverflags("-no_tls1_3");
|
|
$proxy->start();
|
|
ok(TLSProxy::Message->fail(), "Downgrade TLSv1.2 to TLSv1.1");
|
|
|
|
sub downgrade_filter
|
|
{
|
|
my $proxy = shift;
|
|
|
|
# We're only interested in the initial ClientHello
|
|
if ($proxy->flight != 0) {
|
|
return;
|
|
}
|
|
|
|
my $message = ${$proxy->message_list}[0];
|
|
|
|
my $ext;
|
|
if ($testtype == DOWNGRADE_TO_TLS_1_2) {
|
|
$ext = pack "C3",
|
|
0x02, # Length
|
|
0x03, 0x03; #TLSv1.2
|
|
} else {
|
|
$ext = pack "C3",
|
|
0x02, # Length
|
|
0x03, 0x02; #TLSv1.1
|
|
}
|
|
|
|
$message->set_extension(TLSProxy::Message::EXT_SUPPORTED_VERSIONS, $ext);
|
|
|
|
$message->repack();
|
|
}
|
|
|