1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
#! /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;
my $test_name = "test_sslextension";
setup($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';
my $proxy = TLSProxy::Proxy->new(
\&extension_filter,
cmdstr(app(["openssl"]), display => 1),
srctop_file("apps", "server.pem"),
(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
);
# Test 1: Sending a zero length extension block should pass
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
plan tests => 3;
ok(TLSProxy::Message->success, "Zero extension length test");
sub extension_filter
{
my $proxy = shift;
# We're only interested in the initial ClientHello
if ($proxy->flight != 0) {
return;
}
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
# Remove all extensions and set the extension len to zero
$message->extension_data({});
$message->extensions_len(0);
# Extensions have been removed so make sure we don't try to use them
$message->process_extensions();
$message->repack();
}
}
}
# Test 2-3: Sending a duplicate extension should fail.
sub inject_duplicate_extension
{
my ($proxy, $message_type) = @_;
foreach my $message (@{$proxy->message_list}) {
if ($message->mt == $message_type) {
my %extensions = %{$message->extension_data};
# Add a duplicate (unknown) extension.
$message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
$message->set_extension(TLSProxy::Message::EXT_DUPLICATE_EXTENSION, "");
$message->repack();
}
}
}
sub inject_duplicate_extension_clienthello
{
my $proxy = shift;
# We're only interested in the initial ClientHello
if ($proxy->flight != 0) {
return;
}
inject_duplicate_extension($proxy, TLSProxy::Message::MT_CLIENT_HELLO);
}
sub inject_duplicate_extension_serverhello
{
my $proxy = shift;
# We're only interested in the initial ServerHello
if ($proxy->flight != 1) {
return;
}
inject_duplicate_extension($proxy, TLSProxy::Message::MT_SERVER_HELLO);
}
$proxy->clear();
$proxy->filter(\&inject_duplicate_extension_clienthello);
$proxy->start();
ok(TLSProxy::Message->fail(), "Duplicate ClientHello extension");
$proxy->clear();
$proxy->filter(\&inject_duplicate_extension_serverhello);
$proxy->start();
ok(TLSProxy::Message->fail(), "Duplicate ServerHello extension");
|
