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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
#! /usr/bin/env perl
# Copyright 2016 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 $test_name = "test_sslrecords";
setup($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 TLS enabled"
if alldisabled(available_protocols("tls"));
$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
my $proxy = TLSProxy::Proxy->new(
\&add_empty_recs_filter,
cmdstr(app(["openssl"]), display => 1),
srctop_file("apps", "server.pem"),
(!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
);
#Test 1: Injecting out of context empty records should fail
my $content_type = TLSProxy::Record::RT_APPLICATION_DATA;
my $inject_recs_num = 1;
$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
plan tests => 4;
ok(TLSProxy::Message->fail(), "Out of context empty records test");
#Test 2: Injecting in context empty records should succeed
$proxy->clear();
$content_type = TLSProxy::Record::RT_HANDSHAKE;
$proxy->start();
ok(TLSProxy::Message->success(), "In context empty records test");
#Test 3: Injecting too many in context empty records should fail
$proxy->clear();
#We allow 32 consecutive in context empty records
$inject_recs_num = 33;
$proxy->start();
ok(TLSProxy::Message->fail(), "Too many in context empty records test");
#Test 4: Injecting a fragmented fatal alert should fail. We actually expect no
# alerts to be sent from either side because *we* injected the fatal
# alert, i.e. this will look like a disorderly close
$proxy->clear();
$proxy->filter(\&add_frag_alert_filter);
$proxy->start();
ok(!TLSProxy::Message->end(), "Fragmented alert records test");
sub add_empty_recs_filter
{
my $proxy = shift;
# We're only interested in the initial ClientHello
if ($proxy->flight != 0) {
return;
}
for (my $i = 0; $i < $inject_recs_num; $i++) {
my $record = TLSProxy::Record->new(
0,
$content_type,
TLSProxy::Record::VERS_TLS_1_2,
0,
0,
0,
"",
""
);
push @{$proxy->record_list}, $record;
}
}
sub add_frag_alert_filter
{
my $proxy = shift;
my $byte;
# We're only interested in the initial ClientHello
if ($proxy->flight != 0) {
return;
}
# Add a zero length fragment first
#my $record = TLSProxy::Record->new(
# 0,
# TLSProxy::Record::RT_ALERT,
# TLSProxy::Record::VERS_TLS_1_2,
# 0,
# 0,
# 0,
# "",
# ""
#);
#push @{$proxy->record_list}, $record;
# Now add the alert level (Fatal) as a seperate record
$byte = pack('C', TLSProxy::Message::AL_LEVEL_FATAL);
my $record = TLSProxy::Record->new(
0,
TLSProxy::Record::RT_ALERT,
TLSProxy::Record::VERS_TLS_1_2,
1,
1,
1,
$byte,
$byte
);
push @{$proxy->record_list}, $record;
# And finally the description (Unexpected message) in a third record
$byte = pack('C', TLSProxy::Message::AL_DESC_UNEXPECTED_MESSAGE);
$record = TLSProxy::Record->new(
0,
TLSProxy::Record::RT_ALERT,
TLSProxy::Record::VERS_TLS_1_2,
1,
1,
1,
$byte,
$byte
);
push @{$proxy->record_list}, $record;
}
|