Add a test for TLSv1.3 cookies

#! /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_tls13cookie";

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 enabled"

    if disabled("tls1_3");

$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})

);

my $cookieseen = 0;

#Test 1: Inserting a cookie into an HRR should see it echoed in the ClientHello

$proxy->filter(\&cookie_filter);

$proxy->serverflags("-curves P-256");

$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";

plan tests => 1;

ok(TLSProxy::Message->success() && $cookieseen == 1, "Cookie seen");

sub cookie_filter

{

    my $proxy = shift;

    # We're only interested in the HRR and subsequent ClientHello

    if ($proxy->flight != 1 && $proxy->flight != 2) {

        return;

    }

    my $ext = pack "C8",

        0x00, 0x06, #Cookie Length

        0x00, 0x01, #Dummy cookie data (6 bytes)

        0x02, 0x03,

        0x04, 0x05;

    foreach my $message (@{$proxy->message_list}) {

        if ($message->mt == TLSProxy::Message::MT_HELLO_RETRY_REQUEST) {

            $message->set_extension(TLSProxy::Message::EXT_COOKIE, $ext);

            $message->repack();

        } elsif ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO

                    && ${$message->records}[0]->flight == 2) {

            #cmp can behave differently dependent on locale

            no locale;

            my $cookie =

                $message->extension_data->{TLSProxy::Message::EXT_COOKIE};

            return if !defined($cookie);

            return if ($cookie cmp $ext) != 0;

            $cookieseen = 1;

        }

    }

}

    EXT_KEY_SHARE => 40,

    EXT_PSK => 41,

    EXT_SUPPORTED_VERSIONS => 43,

    EXT_COOKIE => 44,

    EXT_PSK_KEX_MODES => 45,

    EXT_RENEGOTIATE => 65281,

    EXT_NPN => 13172,