2 # Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
4 # Licensed under the Apache License 2.0 (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
10 use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file srctop_dir bldtop_dir/;
11 use OpenSSL::Test::Utils;
12 use File::Temp qw(tempfile);
14 use checkhandshake qw(checkhandshake @handmessages @extensions);
16 my $test_name = "test_tls13kexmodes";
19 plan skip_all => "TLSProxy isn't usable on $^O"
22 plan skip_all => "$test_name needs the dynamic engine feature enabled"
23 if disabled("engine") || disabled("dynamic-engine");
25 plan skip_all => "$test_name needs the sock feature enabled"
28 plan skip_all => "$test_name needs TLSv1.3 enabled"
29 if disabled("tls1_3");
31 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
32 $ENV{CTLOG_FILE} = srctop_file("test", "ct", "log_list.conf");
36 [TLSProxy::Message::MT_CLIENT_HELLO,
37 checkhandshake::ALL_HANDSHAKES],
38 [TLSProxy::Message::MT_SERVER_HELLO,
39 checkhandshake::HRR_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE],
40 [TLSProxy::Message::MT_CLIENT_HELLO,
41 checkhandshake::HRR_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE],
42 [TLSProxy::Message::MT_SERVER_HELLO,
43 checkhandshake::ALL_HANDSHAKES],
44 [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS,
45 checkhandshake::ALL_HANDSHAKES],
46 [TLSProxy::Message::MT_CERTIFICATE_REQUEST,
47 checkhandshake::CLIENT_AUTH_HANDSHAKE],
48 [TLSProxy::Message::MT_CERTIFICATE,
49 checkhandshake::ALL_HANDSHAKES & ~(checkhandshake::RESUME_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE)],
50 [TLSProxy::Message::MT_CERTIFICATE_VERIFY,
51 checkhandshake::ALL_HANDSHAKES & ~(checkhandshake::RESUME_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE)],
52 [TLSProxy::Message::MT_FINISHED,
53 checkhandshake::ALL_HANDSHAKES],
54 [TLSProxy::Message::MT_CERTIFICATE,
55 checkhandshake::CLIENT_AUTH_HANDSHAKE],
56 [TLSProxy::Message::MT_CERTIFICATE_VERIFY,
57 checkhandshake::CLIENT_AUTH_HANDSHAKE],
58 [TLSProxy::Message::MT_FINISHED,
59 checkhandshake::ALL_HANDSHAKES],
64 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
65 checkhandshake::SERVER_NAME_CLI_EXTENSION],
66 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
67 checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
68 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
69 checkhandshake::DEFAULT_EXTENSIONS],
70 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
71 checkhandshake::DEFAULT_EXTENSIONS],
72 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
73 checkhandshake::DEFAULT_EXTENSIONS],
74 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
75 checkhandshake::ALPN_CLI_EXTENSION],
76 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
77 checkhandshake::SCT_CLI_EXTENSION],
78 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
79 checkhandshake::DEFAULT_EXTENSIONS],
80 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
81 checkhandshake::DEFAULT_EXTENSIONS],
82 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
83 checkhandshake::DEFAULT_EXTENSIONS],
84 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
85 checkhandshake::DEFAULT_EXTENSIONS],
86 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
87 checkhandshake::DEFAULT_EXTENSIONS],
88 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK_KEX_MODES,
89 checkhandshake::PSK_KEX_MODES_EXTENSION],
90 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK,
91 checkhandshake::PSK_CLI_EXTENSION],
93 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
94 checkhandshake::DEFAULT_EXTENSIONS],
95 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
96 checkhandshake::KEY_SHARE_HRR_EXTENSION],
98 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
99 checkhandshake::SERVER_NAME_CLI_EXTENSION],
100 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
101 checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
102 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
103 checkhandshake::DEFAULT_EXTENSIONS],
104 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
105 checkhandshake::DEFAULT_EXTENSIONS],
106 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
107 checkhandshake::DEFAULT_EXTENSIONS],
108 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
109 checkhandshake::ALPN_CLI_EXTENSION],
110 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
111 checkhandshake::SCT_CLI_EXTENSION],
112 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
113 checkhandshake::DEFAULT_EXTENSIONS],
114 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
115 checkhandshake::DEFAULT_EXTENSIONS],
116 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
117 checkhandshake::DEFAULT_EXTENSIONS],
118 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
119 checkhandshake::DEFAULT_EXTENSIONS],
120 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
121 checkhandshake::DEFAULT_EXTENSIONS],
122 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK_KEX_MODES,
123 checkhandshake::PSK_KEX_MODES_EXTENSION],
124 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK,
125 checkhandshake::PSK_CLI_EXTENSION],
127 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
128 checkhandshake::DEFAULT_EXTENSIONS],
129 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
130 checkhandshake::KEY_SHARE_SRV_EXTENSION],
131 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_PSK,
132 checkhandshake::PSK_SRV_EXTENSION],
134 [TLSProxy::Message::MT_CERTIFICATE, TLSProxy::Message::EXT_STATUS_REQUEST,
135 checkhandshake::STATUS_REQUEST_SRV_EXTENSION],
140 DELETE_EXTENSION => 0,
141 EMPTY_EXTENSION => 1,
142 NON_DHE_KEX_MODE_ONLY => 2,
143 DHE_KEX_MODE_ONLY => 3,
144 UNKNOWN_KEX_MODES => 4,
148 my $proxy = TLSProxy::Proxy->new(
150 cmdstr(app(["openssl"]), display => 1),
151 srctop_file("apps", "server.pem"),
152 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
155 #Test 1: First get a session
156 (undef, my $session) = tempfile();
157 $proxy->clientflags("-sess_out ".$session);
158 $proxy->serverflags("-servername localhost");
159 $proxy->sessionfile($session);
160 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
162 ok(TLSProxy::Message->success(), "Initial connection");
164 #Test 2: Attempt a resume with no kex modes extension. Should not resume
166 $proxy->clientflags("-sess_in ".$session);
167 my $testtype = DELETE_EXTENSION;
168 $proxy->filter(\&modify_kex_modes_filter);
170 checkhandshake($proxy, checkhandshake::DEFAULT_HANDSHAKE,
171 checkhandshake::DEFAULT_EXTENSIONS
172 | checkhandshake::KEY_SHARE_SRV_EXTENSION
173 | checkhandshake::PSK_CLI_EXTENSION,
174 "Resume with no kex modes");
176 #Test 3: Attempt a resume with empty kex modes extension. Should fail (empty
177 # extension is invalid)
179 $proxy->clientflags("-sess_in ".$session);
180 $testtype = EMPTY_EXTENSION;
182 ok(TLSProxy::Message->fail(), "Resume with empty kex modes");
184 #Test 4: Attempt a resume with non-dhe kex mode only. Should resume without a
187 $proxy->clientflags("-allow_no_dhe_kex -sess_in ".$session);
188 $proxy->serverflags("-allow_no_dhe_kex");
189 $testtype = NON_DHE_KEX_MODE_ONLY;
191 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
192 checkhandshake::DEFAULT_EXTENSIONS
193 | checkhandshake::PSK_KEX_MODES_EXTENSION
194 | checkhandshake::PSK_CLI_EXTENSION
195 | checkhandshake::PSK_SRV_EXTENSION,
196 "Resume with non-dhe kex mode");
198 #Test 5: Attempt a resume with dhe kex mode only. Should resume with a key_share
200 $proxy->clientflags("-sess_in ".$session);
201 $testtype = DHE_KEX_MODE_ONLY;
203 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
204 checkhandshake::DEFAULT_EXTENSIONS
205 | checkhandshake::PSK_KEX_MODES_EXTENSION
206 | checkhandshake::KEY_SHARE_SRV_EXTENSION
207 | checkhandshake::PSK_CLI_EXTENSION
208 | checkhandshake::PSK_SRV_EXTENSION,
209 "Resume with non-dhe kex mode");
211 #Test 6: Attempt a resume with only unrecognised kex modes. Should not resume
213 $proxy->clientflags("-sess_in ".$session);
214 $testtype = UNKNOWN_KEX_MODES;
216 checkhandshake($proxy, checkhandshake::DEFAULT_HANDSHAKE,
217 checkhandshake::DEFAULT_EXTENSIONS
218 | checkhandshake::PSK_KEX_MODES_EXTENSION
219 | checkhandshake::KEY_SHARE_SRV_EXTENSION
220 | checkhandshake::PSK_CLI_EXTENSION,
221 "Resume with empty kex modes");
223 #Test 7: Attempt a resume with both non-dhe and dhe kex mode. Should resume with
226 $proxy->clientflags("-sess_in ".$session);
227 $testtype = BOTH_KEX_MODES;
229 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
230 checkhandshake::DEFAULT_EXTENSIONS
231 | checkhandshake::PSK_KEX_MODES_EXTENSION
232 | checkhandshake::KEY_SHARE_SRV_EXTENSION
233 | checkhandshake::PSK_CLI_EXTENSION
234 | checkhandshake::PSK_SRV_EXTENSION,
235 "Resume with non-dhe kex mode");
237 #Test 8: Attempt a resume with both non-dhe and dhe kex mode, but unacceptable
238 # initial key_share. Should resume with a key_share following an HRR
240 $proxy->clientflags("-sess_in ".$session);
241 $proxy->serverflags("-curves P-256");
242 $testtype = BOTH_KEX_MODES;
244 checkhandshake($proxy, checkhandshake::HRR_RESUME_HANDSHAKE,
245 checkhandshake::DEFAULT_EXTENSIONS
246 | checkhandshake::PSK_KEX_MODES_EXTENSION
247 | checkhandshake::KEY_SHARE_SRV_EXTENSION
248 | checkhandshake::KEY_SHARE_HRR_EXTENSION
249 | checkhandshake::PSK_CLI_EXTENSION
250 | checkhandshake::PSK_SRV_EXTENSION,
251 "Resume with both kex modes and HRR");
253 #Test 9: Attempt a resume with dhe kex mode only and an unacceptable initial
254 # key_share. Should resume with a key_share following an HRR
256 $proxy->clientflags("-sess_in ".$session);
257 $proxy->serverflags("-curves P-256");
258 $testtype = DHE_KEX_MODE_ONLY;
260 checkhandshake($proxy, checkhandshake::HRR_RESUME_HANDSHAKE,
261 checkhandshake::DEFAULT_EXTENSIONS
262 | checkhandshake::PSK_KEX_MODES_EXTENSION
263 | checkhandshake::KEY_SHARE_SRV_EXTENSION
264 | checkhandshake::KEY_SHARE_HRR_EXTENSION
265 | checkhandshake::PSK_CLI_EXTENSION
266 | checkhandshake::PSK_SRV_EXTENSION,
267 "Resume with dhe kex mode and HRR");
269 #Test 10: Attempt a resume with both non-dhe and dhe kex mode, unacceptable
270 # initial key_share and no overlapping groups. Should resume without a
273 $proxy->clientflags("-allow_no_dhe_kex -curves P-384 -sess_in ".$session);
274 $proxy->serverflags("-allow_no_dhe_kex -curves P-256");
275 $testtype = BOTH_KEX_MODES;
277 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
278 checkhandshake::DEFAULT_EXTENSIONS
279 | checkhandshake::PSK_KEX_MODES_EXTENSION
280 | checkhandshake::PSK_CLI_EXTENSION
281 | checkhandshake::PSK_SRV_EXTENSION,
282 "Resume with both kex modes, no overlapping groups");
284 #Test 11: Attempt a resume with dhe kex mode only, unacceptable
285 # initial key_share and no overlapping groups. Should fail
287 $proxy->clientflags("-curves P-384 -sess_in ".$session);
288 $proxy->serverflags("-curves P-256");
289 $testtype = DHE_KEX_MODE_ONLY;
291 ok(TLSProxy::Message->fail(), "Resume with dhe kex mode, no overlapping groups");
295 sub modify_kex_modes_filter
299 # We're only interested in the initial ClientHello
300 return if ($proxy->flight != 0);
302 foreach my $message (@{$proxy->message_list}) {
303 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
306 if ($testtype == EMPTY_EXTENSION) {
309 } elsif ($testtype == NON_DHE_KEX_MODE_ONLY) {
313 } elsif ($testtype == DHE_KEX_MODE_ONLY) {
317 } elsif ($testtype == UNKNOWN_KEX_MODES) {
322 } elsif ($testtype == BOTH_KEX_MODES) {
323 #We deliberately list psk_ke first...should still use psk_dhe_ke
330 if ($testtype == DELETE_EXTENSION) {
331 $message->delete_extension(
332 TLSProxy::Message::EXT_PSK_KEX_MODES);
334 $message->set_extension(
335 TLSProxy::Message::EXT_PSK_KEX_MODES, $ext);