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#! /usr/bin/env perl
# Copyright 2015-2018 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;
use File::Temp qw(tempfile);
my $test_name = "test_tlsextms";
setup($test_name);
plan skip_all => "TLSProxy isn't usable on $^O"
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 sock feature enabled"
if disabled("sock");
plan skip_all => "$test_name needs TLS enabled"
if alldisabled(available_protocols("tls"));
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
sub checkmessages($$$$$);
sub setrmextms($$);
sub clearall();
my $crmextms = 0;
my $srmextms = 0;
my $cextms = 0;
my $sextms = 0;
my $fullhand = 0;
my $proxy = TLSProxy::Proxy->new(
\&extms_filter,
cmdstr(app(["openssl"]), display => 1),
srctop_file("apps", "server.pem"),
(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
);
#Test 1: By default server and client should send extended master secret
# extension.
#Expected result: ClientHello extension seen; ServerHello extension seen
# Full handshake
setrmextms(0, 0);
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
plan tests => 9;
checkmessages(1, "Default extended master secret test", 1, 1, 1);
#Test 2: If client omits extended master secret extension, server should too.
#Expected result: ClientHello extension not seen; ServerHello extension not seen
# Full handshake
clearall();
setrmextms(1, 0);
$proxy->start();
checkmessages(2, "No client extension extended master secret test", 0, 0, 1);
# Test 3: same as 1 but with session tickets disabled.
# Expected result: same as test 1.
clearall();
$proxy->clientflags("-no_ticket");
setrmextms(0, 0);
$proxy->start();
checkmessages(3, "No ticket extended master secret test", 1, 1, 1);
# Test 4: same as 2 but with session tickets disabled.
# Expected result: same as test 2.
clearall();
$proxy->clientflags("-no_ticket");
setrmextms(1, 0);
$proxy->start();
checkmessages(2, "No ticket, no client extension extended master secret test", 0, 0, 1);
#Test 5: Session resumption extended master secret test
#
#Expected result: ClientHello extension seen; ServerHello extension seen
# Abbreviated handshake
clearall();
setrmextms(0, 0);
(undef, my $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session);
$proxy->clientstart();
checkmessages(5, "Session resumption extended master secret test", 1, 1, 0);
unlink $session;
#Test 6: Session resumption extended master secret test original session
# omits extension. Server must not resume session.
#Expected result: ClientHello extension seen; ServerHello extension seen
# Full handshake
clearall();
setrmextms(1, 0);
(undef, $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session);
setrmextms(0, 0);
$proxy->clientstart();
checkmessages(6, "Session resumption extended master secret test", 1, 1, 1);
unlink $session;
#Test 7: Session resumption extended master secret test resumed session
# omits client extension. Server must abort connection.
#Expected result: aborted connection.
clearall();
setrmextms(0, 0);
(undef, $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session);
setrmextms(1, 0);
$proxy->clientstart();
ok(TLSProxy::Message->fail(), "Client inconsistent session resumption");
unlink $session;
#Test 8: Session resumption extended master secret test resumed session
# omits server extension. Client must abort connection.
#Expected result: aborted connection.
clearall();
setrmextms(0, 0);
(undef, $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session);
setrmextms(0, 1);
$proxy->clientstart();
ok(TLSProxy::Message->fail(), "Server inconsistent session resumption 1");
unlink $session;
#Test 9: Session resumption extended master secret test initial session
# omits server extension. Client must abort connection.
#Expected result: aborted connection.
clearall();
setrmextms(0, 1);
(undef, $session) = tempfile();
$proxy->serverconnects(2);
$proxy->clientflags("-sess_out ".$session);
$proxy->start();
$proxy->clearClient();
$proxy->clientflags("-sess_in ".$session);
setrmextms(0, 0);
$proxy->clientstart();
ok(TLSProxy::Message->fail(), "Server inconsistent session resumption 2");
unlink $session;
sub extms_filter
{
my $proxy = shift;
foreach my $message (@{$proxy->message_list}) {
if ($crmextms && $message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
$message->delete_extension(TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET);
$message->repack();
}
if ($srmextms && $message->mt == TLSProxy::Message::MT_SERVER_HELLO) {
$message->delete_extension(TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET);
$message->repack();
}
}
}
sub checkmessages($$$$$)
{
my ($testno, $testname, $testcextms, $testsextms, $testhand) = @_;
subtest $testname => sub {
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO
|| $message->mt == TLSProxy::Message::MT_SERVER_HELLO) {
#Get the extensions data
my %extensions = %{$message->extension_data};
if (defined
$extensions{TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET}) {
if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
$cextms = 1;
} else {
$sextms = 1;
}
}
} elsif ($message->mt == TLSProxy::Message::MT_CLIENT_KEY_EXCHANGE) {
#Must be doing a full handshake
$fullhand = 1;
}
}
plan tests => 4;
ok(TLSProxy::Message->success, "Handshake");
ok($testcextms == $cextms,
"ClientHello extension extended master secret check");
ok($testsextms == $sextms,
"ServerHello extension extended master secret check");
ok($testhand == $fullhand,
"Extended master secret full handshake check");
}
}
sub setrmextms($$)
{
($crmextms, $srmextms) = @_;
}
sub clearall()
{
$cextms = 0;
$sextms = 0;
$fullhand = 0;
$proxy->clear();
}
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