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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
#! /usr/bin/env perl
# Copyright 2015-2016 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;
use File::Temp qw(tempfile);
my $test_name = "test_tlsextms";
setup($test_name);
plan skip_all => "TLSProxy isn't usable on $^O"
if $^O =~ /^(VMS|MSWin32)$/;
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';
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})
);
plan tests => 9;
#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();
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();
}
|