70-test_sslvertol.t revision 1.1.1.2
1#! /usr/bin/env perl
2# Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
3#
4# Licensed under the OpenSSL license (the "License").  You may not use
5# this file except in compliance with the License.  You can obtain a copy
6# in the file LICENSE in the source distribution or at
7# https://www.openssl.org/source/license.html
8
9use strict;
10use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
11use OpenSSL::Test::Utils;
12use TLSProxy::Proxy;
13
14my $test_name = "test_sslextension";
15setup($test_name);
16
17plan skip_all => "TLSProxy isn't usable on $^O"
18    if $^O =~ /^(VMS)$/;
19
20plan skip_all => "$test_name needs the dynamic engine feature enabled"
21    if disabled("engine") || disabled("dynamic-engine");
22
23plan skip_all => "$test_name needs the sock feature enabled"
24    if disabled("sock");
25
26plan skip_all => "$test_name needs TLS enabled"
27    if alldisabled(available_protocols("tls"));
28
29$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
30my $proxy = TLSProxy::Proxy->new(
31    \&vers_tolerance_filter,
32    cmdstr(app(["openssl"]), display => 1),
33    srctop_file("apps", "server.pem"),
34    (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
35);
36
37#Test 1: Asking for TLS1.3 should pass
38my $client_version = TLSProxy::Record::VERS_TLS_1_3;
39$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
40plan tests => 2;
41ok(TLSProxy::Message->success(), "Version tolerance test, TLS 1.3");
42
43#Test 2: Testing something below SSLv3 should fail
44$client_version = TLSProxy::Record::VERS_SSL_3_0 - 1;
45$proxy->clear();
46$proxy->start();
47ok(TLSProxy::Message->fail(), "Version tolerance test, SSL < 3.0");
48
49sub vers_tolerance_filter
50{
51    my $proxy = shift;
52
53    # We're only interested in the initial ClientHello
54    if ($proxy->flight != 0) {
55        return;
56    }
57
58    foreach my $message (@{$proxy->message_list}) {
59        if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
60            #Set the client version
61            #Anything above the max supported version (TLS1.2) should succeed
62            #Anything below SSLv3 should fail
63            $message->client_version($client_version);
64            $message->repack();
65        }
66    }
67}
68