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 plan skip_all => "$test_name needs EC enabled"
34 $ENV{OPENSSL_ia32cap} = '~0x200000200000000';
35 $ENV{CTLOG_FILE} = srctop_file("test", "ct", "log_list.conf");
39 [TLSProxy::Message::MT_CLIENT_HELLO,
40 checkhandshake::ALL_HANDSHAKES],
41 [TLSProxy::Message::MT_SERVER_HELLO,
42 checkhandshake::HRR_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE],
43 [TLSProxy::Message::MT_CLIENT_HELLO,
44 checkhandshake::HRR_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE],
45 [TLSProxy::Message::MT_SERVER_HELLO,
46 checkhandshake::ALL_HANDSHAKES],
47 [TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS,
48 checkhandshake::ALL_HANDSHAKES],
49 [TLSProxy::Message::MT_CERTIFICATE_REQUEST,
50 checkhandshake::CLIENT_AUTH_HANDSHAKE],
51 [TLSProxy::Message::MT_CERTIFICATE,
52 checkhandshake::ALL_HANDSHAKES & ~(checkhandshake::RESUME_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE)],
53 [TLSProxy::Message::MT_CERTIFICATE_VERIFY,
54 checkhandshake::ALL_HANDSHAKES & ~(checkhandshake::RESUME_HANDSHAKE | checkhandshake::HRR_RESUME_HANDSHAKE)],
55 [TLSProxy::Message::MT_FINISHED,
56 checkhandshake::ALL_HANDSHAKES],
57 [TLSProxy::Message::MT_CERTIFICATE,
58 checkhandshake::CLIENT_AUTH_HANDSHAKE],
59 [TLSProxy::Message::MT_CERTIFICATE_VERIFY,
60 checkhandshake::CLIENT_AUTH_HANDSHAKE],
61 [TLSProxy::Message::MT_FINISHED,
62 checkhandshake::ALL_HANDSHAKES],
67 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
68 checkhandshake::SERVER_NAME_CLI_EXTENSION],
69 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
70 checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
71 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
72 checkhandshake::DEFAULT_EXTENSIONS],
73 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
74 checkhandshake::DEFAULT_EXTENSIONS],
75 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
76 checkhandshake::DEFAULT_EXTENSIONS],
77 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
78 checkhandshake::ALPN_CLI_EXTENSION],
79 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
80 checkhandshake::SCT_CLI_EXTENSION],
81 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
82 checkhandshake::DEFAULT_EXTENSIONS],
83 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
84 checkhandshake::DEFAULT_EXTENSIONS],
85 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
86 checkhandshake::DEFAULT_EXTENSIONS],
87 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
88 checkhandshake::DEFAULT_EXTENSIONS],
89 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
90 checkhandshake::DEFAULT_EXTENSIONS],
91 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK_KEX_MODES,
92 checkhandshake::PSK_KEX_MODES_EXTENSION],
93 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK,
94 checkhandshake::PSK_CLI_EXTENSION],
96 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
97 checkhandshake::DEFAULT_EXTENSIONS],
98 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
99 checkhandshake::KEY_SHARE_HRR_EXTENSION],
101 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SERVER_NAME,
102 checkhandshake::SERVER_NAME_CLI_EXTENSION],
103 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_STATUS_REQUEST,
104 checkhandshake::STATUS_REQUEST_CLI_EXTENSION],
105 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_GROUPS,
106 checkhandshake::DEFAULT_EXTENSIONS],
107 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EC_POINT_FORMATS,
108 checkhandshake::DEFAULT_EXTENSIONS],
109 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SIG_ALGS,
110 checkhandshake::DEFAULT_EXTENSIONS],
111 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ALPN,
112 checkhandshake::ALPN_CLI_EXTENSION],
113 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SCT,
114 checkhandshake::SCT_CLI_EXTENSION],
115 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_ENCRYPT_THEN_MAC,
116 checkhandshake::DEFAULT_EXTENSIONS],
117 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_EXTENDED_MASTER_SECRET,
118 checkhandshake::DEFAULT_EXTENSIONS],
119 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SESSION_TICKET,
120 checkhandshake::DEFAULT_EXTENSIONS],
121 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
122 checkhandshake::DEFAULT_EXTENSIONS],
123 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
124 checkhandshake::DEFAULT_EXTENSIONS],
125 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK_KEX_MODES,
126 checkhandshake::PSK_KEX_MODES_EXTENSION],
127 [TLSProxy::Message::MT_CLIENT_HELLO, TLSProxy::Message::EXT_PSK,
128 checkhandshake::PSK_CLI_EXTENSION],
130 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_SUPPORTED_VERSIONS,
131 checkhandshake::DEFAULT_EXTENSIONS],
132 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_KEY_SHARE,
133 checkhandshake::KEY_SHARE_SRV_EXTENSION],
134 [TLSProxy::Message::MT_SERVER_HELLO, TLSProxy::Message::EXT_PSK,
135 checkhandshake::PSK_SRV_EXTENSION],
137 [TLSProxy::Message::MT_CERTIFICATE, TLSProxy::Message::EXT_STATUS_REQUEST,
138 checkhandshake::STATUS_REQUEST_SRV_EXTENSION],
143 DELETE_EXTENSION => 0,
144 EMPTY_EXTENSION => 1,
145 NON_DHE_KEX_MODE_ONLY => 2,
146 DHE_KEX_MODE_ONLY => 3,
147 UNKNOWN_KEX_MODES => 4,
151 my $proxy = TLSProxy::Proxy->new(
153 cmdstr(app(["openssl"]), display => 1),
154 srctop_file("apps", "server.pem"),
155 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
158 #Test 1: First get a session
159 (undef, my $session) = tempfile();
160 $proxy->clientflags("-sess_out ".$session);
161 $proxy->serverflags("-servername localhost");
162 $proxy->sessionfile($session);
163 $proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
165 ok(TLSProxy::Message->success(), "Initial connection");
167 #Test 2: Attempt a resume with no kex modes extension. Should not resume
169 $proxy->clientflags("-sess_in ".$session);
170 my $testtype = DELETE_EXTENSION;
171 $proxy->filter(\&modify_kex_modes_filter);
173 checkhandshake($proxy, checkhandshake::DEFAULT_HANDSHAKE,
174 checkhandshake::DEFAULT_EXTENSIONS
175 | checkhandshake::KEY_SHARE_SRV_EXTENSION
176 | checkhandshake::PSK_CLI_EXTENSION,
177 "Resume with no kex modes");
179 #Test 3: Attempt a resume with empty kex modes extension. Should fail (empty
180 # extension is invalid)
182 $proxy->clientflags("-sess_in ".$session);
183 $testtype = EMPTY_EXTENSION;
185 ok(TLSProxy::Message->fail(), "Resume with empty kex modes");
187 #Test 4: Attempt a resume with non-dhe kex mode only. Should resume without a
190 $proxy->clientflags("-allow_no_dhe_kex -sess_in ".$session);
191 $proxy->serverflags("-allow_no_dhe_kex");
192 $testtype = NON_DHE_KEX_MODE_ONLY;
194 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
195 checkhandshake::DEFAULT_EXTENSIONS
196 | checkhandshake::PSK_KEX_MODES_EXTENSION
197 | checkhandshake::PSK_CLI_EXTENSION
198 | checkhandshake::PSK_SRV_EXTENSION,
199 "Resume with non-dhe kex mode");
201 #Test 5: Attempt a resume with dhe kex mode only. Should resume with a key_share
203 $proxy->clientflags("-sess_in ".$session);
204 $testtype = DHE_KEX_MODE_ONLY;
206 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
207 checkhandshake::DEFAULT_EXTENSIONS
208 | checkhandshake::PSK_KEX_MODES_EXTENSION
209 | checkhandshake::KEY_SHARE_SRV_EXTENSION
210 | checkhandshake::PSK_CLI_EXTENSION
211 | checkhandshake::PSK_SRV_EXTENSION,
212 "Resume with non-dhe kex mode");
214 #Test 6: Attempt a resume with only unrecognised kex modes. Should not resume
216 $proxy->clientflags("-sess_in ".$session);
217 $testtype = UNKNOWN_KEX_MODES;
219 checkhandshake($proxy, checkhandshake::DEFAULT_HANDSHAKE,
220 checkhandshake::DEFAULT_EXTENSIONS
221 | checkhandshake::PSK_KEX_MODES_EXTENSION
222 | checkhandshake::KEY_SHARE_SRV_EXTENSION
223 | checkhandshake::PSK_CLI_EXTENSION,
224 "Resume with empty kex modes");
226 #Test 7: Attempt a resume with both non-dhe and dhe kex mode. Should resume with
229 $proxy->clientflags("-sess_in ".$session);
230 $testtype = BOTH_KEX_MODES;
232 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
233 checkhandshake::DEFAULT_EXTENSIONS
234 | checkhandshake::PSK_KEX_MODES_EXTENSION
235 | checkhandshake::KEY_SHARE_SRV_EXTENSION
236 | checkhandshake::PSK_CLI_EXTENSION
237 | checkhandshake::PSK_SRV_EXTENSION,
238 "Resume with non-dhe kex mode");
240 #Test 8: Attempt a resume with both non-dhe and dhe kex mode, but unacceptable
241 # initial key_share. Should resume with a key_share following an HRR
243 $proxy->clientflags("-sess_in ".$session);
244 $proxy->serverflags("-curves P-256");
245 $testtype = BOTH_KEX_MODES;
247 checkhandshake($proxy, checkhandshake::HRR_RESUME_HANDSHAKE,
248 checkhandshake::DEFAULT_EXTENSIONS
249 | checkhandshake::PSK_KEX_MODES_EXTENSION
250 | checkhandshake::KEY_SHARE_SRV_EXTENSION
251 | checkhandshake::KEY_SHARE_HRR_EXTENSION
252 | checkhandshake::PSK_CLI_EXTENSION
253 | checkhandshake::PSK_SRV_EXTENSION,
254 "Resume with both kex modes and HRR");
256 #Test 9: Attempt a resume with dhe kex mode only and an unacceptable initial
257 # key_share. Should resume with a key_share following an HRR
259 $proxy->clientflags("-sess_in ".$session);
260 $proxy->serverflags("-curves P-256");
261 $testtype = DHE_KEX_MODE_ONLY;
263 checkhandshake($proxy, checkhandshake::HRR_RESUME_HANDSHAKE,
264 checkhandshake::DEFAULT_EXTENSIONS
265 | checkhandshake::PSK_KEX_MODES_EXTENSION
266 | checkhandshake::KEY_SHARE_SRV_EXTENSION
267 | checkhandshake::KEY_SHARE_HRR_EXTENSION
268 | checkhandshake::PSK_CLI_EXTENSION
269 | checkhandshake::PSK_SRV_EXTENSION,
270 "Resume with dhe kex mode and HRR");
272 #Test 10: Attempt a resume with both non-dhe and dhe kex mode, unacceptable
273 # initial key_share and no overlapping groups. Should resume without a
276 $proxy->clientflags("-allow_no_dhe_kex -curves P-384 -sess_in ".$session);
277 $proxy->serverflags("-allow_no_dhe_kex -curves P-256");
278 $testtype = BOTH_KEX_MODES;
280 checkhandshake($proxy, checkhandshake::RESUME_HANDSHAKE,
281 checkhandshake::DEFAULT_EXTENSIONS
282 | checkhandshake::PSK_KEX_MODES_EXTENSION
283 | checkhandshake::PSK_CLI_EXTENSION
284 | checkhandshake::PSK_SRV_EXTENSION,
285 "Resume with both kex modes, no overlapping groups");
287 #Test 11: Attempt a resume with dhe kex mode only, unacceptable
288 # initial key_share and no overlapping groups. Should fail
290 $proxy->clientflags("-curves P-384 -sess_in ".$session);
291 $proxy->serverflags("-curves P-256");
292 $testtype = DHE_KEX_MODE_ONLY;
294 ok(TLSProxy::Message->fail(), "Resume with dhe kex mode, no overlapping groups");
298 sub modify_kex_modes_filter
302 # We're only interested in the initial ClientHello
303 return if ($proxy->flight != 0);
305 foreach my $message (@{$proxy->message_list}) {
306 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO) {
309 if ($testtype == EMPTY_EXTENSION) {
312 } elsif ($testtype == NON_DHE_KEX_MODE_ONLY) {
316 } elsif ($testtype == DHE_KEX_MODE_ONLY) {
320 } elsif ($testtype == UNKNOWN_KEX_MODES) {
325 } elsif ($testtype == BOTH_KEX_MODES) {
326 #We deliberately list psk_ke first...should still use psk_dhe_ke
333 if ($testtype == DELETE_EXTENSION) {
334 $message->delete_extension(
335 TLSProxy::Message::EXT_PSK_KEX_MODES);
337 $message->set_extension(
338 TLSProxy::Message::EXT_PSK_KEX_MODES, $ext);