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source: vbox/trunk/src/libs/openssl-3.0.7/test/recipes/70-test_key_share.t@ 97371

最後變更 在這個檔案從97371是 94320,由 vboxsync 提交於 3 年 前

libs/openssl-3.0.1: Export to OSE and fix copyright headers in Makefiles, bugref:10128
檔案大小: 15.1 KB
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1#! /usr/bin/env perl
2# Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
3#
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
8
9use strict;
10use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file bldtop_dir/;
11use OpenSSL::Test::Utils;
12use TLSProxy::Proxy;
13use File::Temp qw(tempfile);
14
15use constant {
16 LOOK_ONLY => 0,
17 EMPTY_EXTENSION => 1,
18 MISSING_EXTENSION => 2,
19 NO_ACCEPTABLE_KEY_SHARES => 3,
20 NON_PREFERRED_KEY_SHARE => 4,
21 ACCEPTABLE_AT_END => 5,
22 NOT_IN_SUPPORTED_GROUPS => 6,
23 GROUP_ID_TOO_SHORT => 7,
24 KEX_LEN_MISMATCH => 8,
25 ZERO_LEN_KEX_DATA => 9,
26 TRAILING_DATA => 10,
27 SELECT_X25519 => 11,
28 NO_KEY_SHARES_IN_HRR => 12
29};
30
31use constant {
32 CLIENT_TO_SERVER => 1,
33 SERVER_TO_CLIENT => 2
34};
35
36
37use constant {
38 X25519 => 0x1d,
39 P_256 => 0x17,
40 FFDHE2048 => 0x0100,
41 FFDHE3072 => 0x0101
42};
43
44my $testtype;
45my $direction;
46my $selectedgroupid;
47
48my $test_name = "test_key_share";
49setup($test_name);
50
51plan skip_all => "TLSProxy isn't usable on $^O"
52 if $^O =~ /^(VMS)$/;
53
54plan skip_all => "$test_name needs the dynamic engine feature enabled"
55 if disabled("engine") || disabled("dynamic-engine");
56
57plan skip_all => "$test_name needs the sock feature enabled"
58 if disabled("sock");
59
60plan skip_all => "$test_name needs TLS1.3 enabled"
61 if disabled("tls1_3");
62
63plan skip_all => "$test_name needs EC or DH enabled"
64 if disabled("ec") && disabled("dh");
65
66$ENV{OPENSSL_ia32cap} = '~0x200000200000000';
67
68my $proxy = TLSProxy::Proxy->new(
69 undef,
70 cmdstr(app(["openssl"]), display => 1),
71 srctop_file("apps", "server.pem"),
72 (!$ENV{HARNESS_ACTIVE} || $ENV{HARNESS_VERBOSE})
73);
74
75#We assume that test_ssl_new and friends will test the happy path for this,
76#so we concentrate on the less common scenarios
77
78#Test 1: An empty key_shares extension should succeed after a HelloRetryRequest
79$testtype = EMPTY_EXTENSION;
80$direction = CLIENT_TO_SERVER;
81$proxy->filter(\&modify_key_shares_filter);
82if (disabled("ec")) {
83 $proxy->serverflags("-groups ffdhe3072");
84} else {
85 $proxy->serverflags("-groups P-256");
86}
87$proxy->start() or plan skip_all => "Unable to start up Proxy for tests";
88plan tests => 22;
89ok(TLSProxy::Message->success(), "Success after HRR");
90
91#Test 2: The server sending an HRR requesting a group the client already sent
92# should fail
93$proxy->clear();
94$proxy->start();
95ok(TLSProxy::Message->fail(), "Server asks for group already provided");
96
97#Test 3: A missing key_shares extension should not succeed
98$proxy->clear();
99$testtype = MISSING_EXTENSION;
100$proxy->start();
101ok(TLSProxy::Message->fail(), "Missing key_shares extension");
102
103#Test 4: No initial acceptable key_shares should succeed after a
104# HelloRetryRequest
105$proxy->clear();
106$proxy->filter(undef);
107if (disabled("ec")) {
108 $proxy->serverflags("-groups ffdhe3072");
109} else {
110 $proxy->serverflags("-groups P-256");
111}
112$proxy->start();
113ok(TLSProxy::Message->success(), "No initial acceptable key_shares");
114
115#Test 5: No acceptable key_shares and no shared groups should fail
116$proxy->clear();
117$proxy->filter(undef);
118if (disabled("ec")) {
119 $proxy->serverflags("-groups ffdhe2048");
120} else {
121 $proxy->serverflags("-groups P-256");
122}
123if (disabled("ec")) {
124 $proxy->clientflags("-groups ffdhe3072");
125} else {
126 $proxy->clientflags("-groups P-384");
127}
128$proxy->start();
129ok(TLSProxy::Message->fail(), "No acceptable key_shares");
130
131#Test 6: A non preferred but acceptable key_share should succeed
132$proxy->clear();
133$proxy->clientflags("-curves P-256");
134if (disabled("ec")) {
135 $proxy->clientflags("-groups ffdhe3072");
136} else {
137 $proxy->clientflags("-groups P-256");
138}
139$proxy->start();
140ok(TLSProxy::Message->success(), "Non preferred key_share");
141$proxy->filter(\&modify_key_shares_filter);
142
143SKIP: {
144 skip "No ec support in this OpenSSL build", 1 if disabled("ec");
145
146 #Test 7: An acceptable key_share after a list of non-acceptable ones should
147 #succeed
148 $proxy->clear();
149 $testtype = ACCEPTABLE_AT_END;
150 $proxy->start();
151 ok(TLSProxy::Message->success(), "Acceptable key_share at end of list");
152}
153
154#Test 8: An acceptable key_share but for a group not in supported_groups should
155#fail
156$proxy->clear();
157$testtype = NOT_IN_SUPPORTED_GROUPS;
158$proxy->start();
159ok(TLSProxy::Message->fail(), "Acceptable key_share not in supported_groups");
160
161#Test 9: Too short group_id should fail
162$proxy->clear();
163$testtype = GROUP_ID_TOO_SHORT;
164$proxy->start();
165ok(TLSProxy::Message->fail(), "Group id too short");
166
167#Test 10: key_exchange length mismatch should fail
168$proxy->clear();
169$testtype = KEX_LEN_MISMATCH;
170$proxy->start();
171ok(TLSProxy::Message->fail(), "key_exchange length mismatch");
172
173#Test 11: Zero length key_exchange should fail
174$proxy->clear();
175$testtype = ZERO_LEN_KEX_DATA;
176$proxy->start();
177ok(TLSProxy::Message->fail(), "zero length key_exchange data");
178
179#Test 12: Trailing data on key_share list should fail
180$proxy->clear();
181$testtype = TRAILING_DATA;
182$proxy->start();
183ok(TLSProxy::Message->fail(), "key_share list trailing data");
184
185#Test 13: Multiple acceptable key_shares - we choose the first one
186$proxy->clear();
187$direction = SERVER_TO_CLIENT;
188$testtype = LOOK_ONLY;
189$selectedgroupid = 0;
190if (disabled("ec")) {
191 $proxy->clientflags("-groups ffdhe3072:ffdhe2048");
192} else {
193 $proxy->clientflags("-groups P-256:X25519");
194}
195$proxy->start();
196if (disabled("ec")) {
197 ok(TLSProxy::Message->success() && ($selectedgroupid == FFDHE3072),
198 "Multiple acceptable key_shares");
199} else {
200 ok(TLSProxy::Message->success() && ($selectedgroupid == P_256),
201 "Multiple acceptable key_shares");
202}
203
204#Test 14: Multiple acceptable key_shares - we choose the first one (part 2)
205$proxy->clear();
206if (disabled("ec")) {
207 $proxy->clientflags("-curves ffdhe2048:ffdhe3072");
208} else {
209 $proxy->clientflags("-curves X25519:P-256");
210}
211$proxy->start();
212if (disabled("ec")) {
213 ok(TLSProxy::Message->success() && ($selectedgroupid == FFDHE2048),
214 "Multiple acceptable key_shares (part 2)");
215} else {
216 ok(TLSProxy::Message->success() && ($selectedgroupid == X25519),
217 "Multiple acceptable key_shares (part 2)");
218}
219
220#Test 15: Server sends key_share that wasn't offered should fail
221$proxy->clear();
222$testtype = SELECT_X25519;
223if (disabled("ec")) {
224 $proxy->clientflags("-groups ffdhe3072");
225} else {
226 $proxy->clientflags("-groups P-256");
227}
228$proxy->start();
229ok(TLSProxy::Message->fail(), "Non offered key_share");
230
231#Test 16: Too short group_id in ServerHello should fail
232$proxy->clear();
233$testtype = GROUP_ID_TOO_SHORT;
234$proxy->start();
235ok(TLSProxy::Message->fail(), "Group id too short in ServerHello");
236
237#Test 17: key_exchange length mismatch in ServerHello should fail
238$proxy->clear();
239$testtype = KEX_LEN_MISMATCH;
240$proxy->start();
241ok(TLSProxy::Message->fail(), "key_exchange length mismatch in ServerHello");
242
243#Test 18: Zero length key_exchange in ServerHello should fail
244$proxy->clear();
245$testtype = ZERO_LEN_KEX_DATA;
246$proxy->start();
247ok(TLSProxy::Message->fail(), "zero length key_exchange data in ServerHello");
248
249#Test 19: Trailing data on key_share in ServerHello should fail
250$proxy->clear();
251$testtype = TRAILING_DATA;
252$proxy->start();
253ok(TLSProxy::Message->fail(), "key_share trailing data in ServerHello");
254
255SKIP: {
256 skip "No TLSv1.2 support in this OpenSSL build", 2 if disabled("tls1_2");
257
258 #Test 20: key_share should not be sent if the client is not capable of
259 # negotiating TLSv1.3
260 $proxy->clear();
261 $proxy->filter(undef);
262 $proxy->clientflags("-no_tls1_3");
263 $proxy->start();
264 my $clienthello = $proxy->message_list->[0];
265 ok(TLSProxy::Message->success()
266 && !defined $clienthello->extension_data->{TLSProxy::Message::EXT_KEY_SHARE},
267 "No key_share for TLS<=1.2 client");
268 $proxy->filter(\&modify_key_shares_filter);
269
270 #Test 21: A server not capable of negotiating TLSv1.3 should not attempt to
271 # process a key_share
272 $proxy->clear();
273 $direction = CLIENT_TO_SERVER;
274 $testtype = NO_ACCEPTABLE_KEY_SHARES;
275 $proxy->serverflags("-no_tls1_3");
276 $proxy->start();
277 ok(TLSProxy::Message->success(), "Ignore key_share for TLS<=1.2 server");
278}
279
280#Test 22: The server sending an HRR but not requesting a new key_share should
281# fail
282$proxy->clear();
283$direction = SERVER_TO_CLIENT;
284$testtype = NO_KEY_SHARES_IN_HRR;
285if (disabled("ec")) {
286 $proxy->serverflags("-groups ffdhe2048");
287} else {
288 $proxy->serverflags("-groups X25519");
289}
290$proxy->start();
291ok(TLSProxy::Message->fail(), "Server sends HRR with no key_shares");
292
293sub modify_key_shares_filter
294{
295 my $proxy = shift;
296
297 # We're only interested in the initial ClientHello
298 if (($direction == CLIENT_TO_SERVER && $proxy->flight != 0
299 && ($proxy->flight != 1 || $testtype != NO_KEY_SHARES_IN_HRR))
300 || ($direction == SERVER_TO_CLIENT && $proxy->flight != 1)) {
301 return;
302 }
303
304 foreach my $message (@{$proxy->message_list}) {
305 if ($message->mt == TLSProxy::Message::MT_CLIENT_HELLO
306 && $direction == CLIENT_TO_SERVER) {
307 my $ext;
308 my $suppgroups;
309
310 #Setup supported groups to include some unrecognised groups
311 $suppgroups = pack "C8",
312 0x00, 0x06, #List Length
313 0xff, 0xfe, #Non existing group 1
314 0xff, 0xff, #Non existing group 2
315 0x00, 0x1d; #x25519
316
317 if ($testtype == EMPTY_EXTENSION) {
318 $ext = pack "C2",
319 0x00, 0x00;
320 } elsif ($testtype == NO_ACCEPTABLE_KEY_SHARES) {
321 $ext = pack "C12",
322 0x00, 0x0a, #List Length
323 0xff, 0xfe, #Non existing group 1
324 0x00, 0x01, 0xff, #key_exchange data
325 0xff, 0xff, #Non existing group 2
326 0x00, 0x01, 0xff; #key_exchange data
327 } elsif ($testtype == ACCEPTABLE_AT_END) {
328 $ext = pack "C11H64",
329 0x00, 0x29, #List Length
330 0xff, 0xfe, #Non existing group 1
331 0x00, 0x01, 0xff, #key_exchange data
332 0x00, 0x1d, #x25519
333 0x00, 0x20, #key_exchange data length
334 "155155B95269ED5C87EAA99C2EF5A593".
335 "EDF83495E80380089F831B94D14B1421"; #key_exchange data
336 } elsif ($testtype == NOT_IN_SUPPORTED_GROUPS) {
337 $suppgroups = pack "C4",
338 0x00, 0x02, #List Length
339 0x00, 0xfe; #Non existing group 1
340 } elsif ($testtype == GROUP_ID_TOO_SHORT) {
341 $ext = pack "C6H64C1",
342 0x00, 0x25, #List Length
343 0x00, 0x1d, #x25519
344 0x00, 0x20, #key_exchange data length
345 "155155B95269ED5C87EAA99C2EF5A593".
346 "EDF83495E80380089F831B94D14B1421"; #key_exchange data
347 0x00; #Group id too short
348 } elsif ($testtype == KEX_LEN_MISMATCH) {
349 $ext = pack "C8",
350 0x00, 0x06, #List Length
351 0x00, 0x1d, #x25519
352 0x00, 0x20, #key_exchange data length
353 0x15, 0x51; #Only two bytes of data, but length should be 32
354 } elsif ($testtype == ZERO_LEN_KEX_DATA) {
355 $ext = pack "C10H64",
356 0x00, 0x28, #List Length
357 0xff, 0xfe, #Non existing group 1
358 0x00, 0x00, #zero length key_exchange data is invalid
359 0x00, 0x1d, #x25519
360 0x00, 0x20, #key_exchange data length
361 "155155B95269ED5C87EAA99C2EF5A593".
362 "EDF83495E80380089F831B94D14B1421"; #key_exchange data
363 } elsif ($testtype == TRAILING_DATA) {
364 $ext = pack "C6H64C1",
365 0x00, 0x24, #List Length
366 0x00, 0x1d, #x25519
367 0x00, 0x20, #key_exchange data length
368 "155155B95269ED5C87EAA99C2EF5A593".
369 "EDF83495E80380089F831B94D14B1421", #key_exchange data
370 0x00; #Trailing garbage
371 } elsif ($testtype == NO_KEY_SHARES_IN_HRR) {
372 #We trick the server into thinking we sent a P-256 key_share -
373 #but the client actually sent X25519
374 $ext = pack "C7",
375 0x00, 0x05, #List Length
376 0x00, 0x17, #P-256
377 0x00, 0x01, #key_exchange data length
378 0xff; #Dummy key_share data
379 }
380
381 if ($testtype != EMPTY_EXTENSION
382 && $testtype != NO_KEY_SHARES_IN_HRR) {
383 $message->set_extension(
384 TLSProxy::Message::EXT_SUPPORTED_GROUPS, $suppgroups);
385 }
386
387 if ($testtype == MISSING_EXTENSION) {
388 $message->delete_extension(
389 TLSProxy::Message::EXT_KEY_SHARE);
390 } elsif ($testtype != NOT_IN_SUPPORTED_GROUPS) {
391 $message->set_extension(
392 TLSProxy::Message::EXT_KEY_SHARE, $ext);
393 }
394
395 $message->repack();
396 } elsif ($message->mt == TLSProxy::Message::MT_SERVER_HELLO
397 && $direction == SERVER_TO_CLIENT) {
398 my $ext;
399 my $key_share =
400 $message->extension_data->{TLSProxy::Message::EXT_KEY_SHARE};
401 $selectedgroupid = unpack("n", $key_share);
402
403 if ($testtype == LOOK_ONLY) {
404 return;
405 }
406 if ($testtype == NO_KEY_SHARES_IN_HRR) {
407 $message->delete_extension(TLSProxy::Message::EXT_KEY_SHARE);
408 $message->set_extension(TLSProxy::Message::EXT_UNKNOWN, "");
409 $message->repack();
410 return;
411 }
412 if ($testtype == SELECT_X25519) {
413 $ext = pack "C4H64",
414 0x00, 0x1d, #x25519
415 0x00, 0x20, #key_exchange data length
416 "155155B95269ED5C87EAA99C2EF5A593".
417 "EDF83495E80380089F831B94D14B1421"; #key_exchange data
418 } elsif ($testtype == GROUP_ID_TOO_SHORT) {
419 $ext = pack "C1",
420 0x00;
421 } elsif ($testtype == KEX_LEN_MISMATCH) {
422 $ext = pack "C6",
423 0x00, 0x1d, #x25519
424 0x00, 0x20, #key_exchange data length
425 0x15, 0x51; #Only two bytes of data, but length should be 32
426 } elsif ($testtype == ZERO_LEN_KEX_DATA) {
427 $ext = pack "C4",
428 0x00, 0x1d, #x25519
429 0x00, 0x00, #zero length key_exchange data is invalid
430 } elsif ($testtype == TRAILING_DATA) {
431 $ext = pack "C4H64C1",
432 0x00, 0x1d, #x25519
433 0x00, 0x20, #key_exchange data length
434 "155155B95269ED5C87EAA99C2EF5A593".
435 "EDF83495E80380089F831B94D14B1421", #key_exchange data
436 0x00; #Trailing garbage
437 }
438 $message->set_extension(TLSProxy::Message::EXT_KEY_SHARE, $ext);
439
440 $message->repack();
441 }
442 }
443}
444
445
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