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source: vbox/trunk/src/libs/openssl-3.0.7/test/tls13ccstest.c@ 97673

最後變更 在這個檔案從97673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
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1/*
2 * Copyright 2017-2020 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 */
9
10#include <openssl/ssl.h>
11#include <string.h>
12#include "helpers/ssltestlib.h"
13#include "testutil.h"
14#include "internal/packet.h"
15
16static char *cert = NULL;
17static char *privkey = NULL;
18
19static BIO *s_to_c_fbio = NULL, *c_to_s_fbio = NULL;
20static int chseen = 0, shseen = 0, sccsseen = 0, ccsaftersh = 0;
21static int ccsbeforesh = 0, sappdataseen = 0, cappdataseen = 0, badccs = 0;
22static int badvers = 0, badsessid = 0;
23
24static unsigned char chsessid[SSL_MAX_SSL_SESSION_ID_LENGTH];
25static size_t chsessidlen = 0;
26
27static int watchccs_new(BIO *bi);
28static int watchccs_free(BIO *a);
29static int watchccs_read(BIO *b, char *out, int outl);
30static int watchccs_write(BIO *b, const char *in, int inl);
31static long watchccs_ctrl(BIO *b, int cmd, long num, void *ptr);
32static int watchccs_gets(BIO *bp, char *buf, int size);
33static int watchccs_puts(BIO *bp, const char *str);
34
35/* Choose a sufficiently large type likely to be unused for this custom BIO */
36# define BIO_TYPE_WATCHCCS_FILTER (0x80 | BIO_TYPE_FILTER)
37
38static BIO_METHOD *method_watchccs = NULL;
39
40static const BIO_METHOD *bio_f_watchccs_filter(void)
41{
42 if (method_watchccs == NULL) {
43 method_watchccs = BIO_meth_new(BIO_TYPE_WATCHCCS_FILTER,
44 "Watch CCS filter");
45 if ( method_watchccs == NULL
46 || !BIO_meth_set_write(method_watchccs, watchccs_write)
47 || !BIO_meth_set_read(method_watchccs, watchccs_read)
48 || !BIO_meth_set_puts(method_watchccs, watchccs_puts)
49 || !BIO_meth_set_gets(method_watchccs, watchccs_gets)
50 || !BIO_meth_set_ctrl(method_watchccs, watchccs_ctrl)
51 || !BIO_meth_set_create(method_watchccs, watchccs_new)
52 || !BIO_meth_set_destroy(method_watchccs, watchccs_free))
53 return NULL;
54 }
55 return method_watchccs;
56}
57
58static int watchccs_new(BIO *bio)
59{
60 BIO_set_init(bio, 1);
61 return 1;
62}
63
64static int watchccs_free(BIO *bio)
65{
66 BIO_set_init(bio, 0);
67 return 1;
68}
69
70static int watchccs_read(BIO *bio, char *out, int outl)
71{
72 int ret = 0;
73 BIO *next = BIO_next(bio);
74
75 if (outl <= 0)
76 return 0;
77 if (next == NULL)
78 return 0;
79
80 BIO_clear_retry_flags(bio);
81
82 ret = BIO_read(next, out, outl);
83 if (ret <= 0 && BIO_should_read(next))
84 BIO_set_retry_read(bio);
85
86 return ret;
87}
88
89static int watchccs_write(BIO *bio, const char *in, int inl)
90{
91 int ret = 0;
92 BIO *next = BIO_next(bio);
93 PACKET pkt, msg, msgbody, sessionid;
94 unsigned int rectype, recvers, msgtype, expectedrecvers;
95
96 if (inl <= 0)
97 return 0;
98 if (next == NULL)
99 return 0;
100
101 BIO_clear_retry_flags(bio);
102
103 if (!PACKET_buf_init(&pkt, (const unsigned char *)in, inl))
104 return 0;
105
106 /* We assume that we always write complete records each time */
107 while (PACKET_remaining(&pkt)) {
108 if (!PACKET_get_1(&pkt, &rectype)
109 || !PACKET_get_net_2(&pkt, &recvers)
110 || !PACKET_get_length_prefixed_2(&pkt, &msg))
111 return 0;
112
113 expectedrecvers = TLS1_2_VERSION;
114
115 if (rectype == SSL3_RT_HANDSHAKE) {
116 if (!PACKET_get_1(&msg, &msgtype)
117 || !PACKET_get_length_prefixed_3(&msg, &msgbody))
118 return 0;
119 if (msgtype == SSL3_MT_CLIENT_HELLO) {
120 chseen++;
121
122 /*
123 * Skip legacy_version (2 bytes) and Random (32 bytes) to read
124 * session_id.
125 */
126 if (!PACKET_forward(&msgbody, 34)
127 || !PACKET_get_length_prefixed_1(&msgbody, &sessionid))
128 return 0;
129
130 if (chseen == 1) {
131 expectedrecvers = TLS1_VERSION;
132
133 /* Save the session id for later */
134 chsessidlen = PACKET_remaining(&sessionid);
135 if (!PACKET_copy_bytes(&sessionid, chsessid, chsessidlen))
136 return 0;
137 } else {
138 /*
139 * Check the session id for the second ClientHello is the
140 * same as the first one.
141 */
142 if (PACKET_remaining(&sessionid) != chsessidlen
143 || (chsessidlen > 0
144 && memcmp(chsessid, PACKET_data(&sessionid),
145 chsessidlen) != 0))
146 badsessid = 1;
147 }
148 } else if (msgtype == SSL3_MT_SERVER_HELLO) {
149 shseen++;
150 /*
151 * Skip legacy_version (2 bytes) and Random (32 bytes) to read
152 * session_id.
153 */
154 if (!PACKET_forward(&msgbody, 34)
155 || !PACKET_get_length_prefixed_1(&msgbody, &sessionid))
156 return 0;
157
158 /*
159 * Check the session id is the same as the one in the
160 * ClientHello
161 */
162 if (PACKET_remaining(&sessionid) != chsessidlen
163 || (chsessidlen > 0
164 && memcmp(chsessid, PACKET_data(&sessionid),
165 chsessidlen) != 0))
166 badsessid = 1;
167 }
168 } else if (rectype == SSL3_RT_CHANGE_CIPHER_SPEC) {
169 if (bio == s_to_c_fbio) {
170 /*
171 * Server writing. We shouldn't have written any app data
172 * yet, and we should have seen both the ClientHello and the
173 * ServerHello
174 */
175 if (!sappdataseen
176 && chseen == 1
177 && shseen == 1
178 && !sccsseen)
179 sccsseen = 1;
180 else
181 badccs = 1;
182 } else if (!cappdataseen) {
183 /*
184 * Client writing. We shouldn't have written any app data
185 * yet, and we should have seen the ClientHello
186 */
187 if (shseen == 1 && !ccsaftersh)
188 ccsaftersh = 1;
189 else if (shseen == 0 && !ccsbeforesh)
190 ccsbeforesh = 1;
191 else
192 badccs = 1;
193 } else {
194 badccs = 1;
195 }
196 } else if(rectype == SSL3_RT_APPLICATION_DATA) {
197 if (bio == s_to_c_fbio)
198 sappdataseen = 1;
199 else
200 cappdataseen = 1;
201 }
202 if (recvers != expectedrecvers)
203 badvers = 1;
204 }
205
206 ret = BIO_write(next, in, inl);
207 if (ret <= 0 && BIO_should_write(next))
208 BIO_set_retry_write(bio);
209
210 return ret;
211}
212
213static long watchccs_ctrl(BIO *bio, int cmd, long num, void *ptr)
214{
215 long ret;
216 BIO *next = BIO_next(bio);
217
218 if (next == NULL)
219 return 0;
220
221 switch (cmd) {
222 case BIO_CTRL_DUP:
223 ret = 0;
224 break;
225 default:
226 ret = BIO_ctrl(next, cmd, num, ptr);
227 break;
228 }
229 return ret;
230}
231
232static int watchccs_gets(BIO *bio, char *buf, int size)
233{
234 /* We don't support this - not needed anyway */
235 return -1;
236}
237
238static int watchccs_puts(BIO *bio, const char *str)
239{
240 return watchccs_write(bio, str, strlen(str));
241}
242
243static int test_tls13ccs(int tst)
244{
245 SSL_CTX *sctx = NULL, *cctx = NULL;
246 SSL *sssl = NULL, *cssl = NULL;
247 int ret = 0;
248 const char msg[] = "Dummy data";
249 char buf[80];
250 size_t written, readbytes;
251 SSL_SESSION *sess = NULL;
252
253 chseen = shseen = sccsseen = ccsaftersh = ccsbeforesh = 0;
254 sappdataseen = cappdataseen = badccs = badvers = badsessid = 0;
255 chsessidlen = 0;
256
257 if (!TEST_true(create_ssl_ctx_pair(NULL, TLS_server_method(),
258 TLS_client_method(), TLS1_VERSION, 0,
259 &sctx, &cctx, cert, privkey))
260 || !TEST_true(SSL_CTX_set_max_early_data(sctx,
261 SSL3_RT_MAX_PLAIN_LENGTH)))
262 goto err;
263
264 /*
265 * Test 0: Simple Handshake
266 * Test 1: Simple Handshake, client middlebox compat mode disabled
267 * Test 2: Simple Handshake, server middlebox compat mode disabled
268 * Test 3: HRR Handshake
269 * Test 4: HRR Handshake, client middlebox compat mode disabled
270 * Test 5: HRR Handshake, server middlebox compat mode disabled
271 * Test 6: Early data handshake
272 * Test 7: Early data handshake, client middlebox compat mode disabled
273 * Test 8: Early data handshake, server middlebox compat mode disabled
274 * Test 9: Early data then HRR
275 * Test 10: Early data then HRR, client middlebox compat mode disabled
276 * Test 11: Early data then HRR, server middlebox compat mode disabled
277 */
278 switch (tst) {
279 case 0:
280 case 3:
281 case 6:
282 case 9:
283 break;
284 case 1:
285 case 4:
286 case 7:
287 case 10:
288 SSL_CTX_clear_options(cctx, SSL_OP_ENABLE_MIDDLEBOX_COMPAT);
289 break;
290 case 2:
291 case 5:
292 case 8:
293 case 11:
294 SSL_CTX_clear_options(sctx, SSL_OP_ENABLE_MIDDLEBOX_COMPAT);
295 break;
296 default:
297 TEST_error("Invalid test value");
298 goto err;
299 }
300
301 if (tst >= 6) {
302 /* Get a session suitable for early_data */
303 if (!TEST_true(create_ssl_objects(sctx, cctx, &sssl, &cssl, NULL, NULL))
304 || !TEST_true(create_ssl_connection(sssl, cssl, SSL_ERROR_NONE)))
305 goto err;
306 sess = SSL_get1_session(cssl);
307 if (!TEST_ptr(sess))
308 goto err;
309 SSL_shutdown(cssl);
310 SSL_shutdown(sssl);
311 SSL_free(sssl);
312 SSL_free(cssl);
313 sssl = cssl = NULL;
314 }
315
316 if ((tst >= 3 && tst <= 5) || tst >= 9) {
317 /* HRR handshake */
318#if defined(OPENSSL_NO_EC)
319# if !defined(OPENSSL_NO_DH)
320 if (!TEST_true(SSL_CTX_set1_groups_list(sctx, "ffdhe3072")))
321 goto err;
322# endif
323#else
324 if (!TEST_true(SSL_CTX_set1_groups_list(sctx, "P-256")))
325 goto err;
326#endif
327 }
328
329 s_to_c_fbio = BIO_new(bio_f_watchccs_filter());
330 c_to_s_fbio = BIO_new(bio_f_watchccs_filter());
331 if (!TEST_ptr(s_to_c_fbio)
332 || !TEST_ptr(c_to_s_fbio)) {
333 BIO_free(s_to_c_fbio);
334 BIO_free(c_to_s_fbio);
335 goto err;
336 }
337
338 /* BIOs get freed on error */
339 if (!TEST_true(create_ssl_objects(sctx, cctx, &sssl, &cssl, s_to_c_fbio,
340 c_to_s_fbio)))
341 goto err;
342
343 if (tst >= 6) {
344 /* Early data */
345 if (!TEST_true(SSL_set_session(cssl, sess))
346 || !TEST_true(SSL_write_early_data(cssl, msg, strlen(msg),
347 &written))
348 || (tst <= 8
349 && !TEST_int_eq(SSL_read_early_data(sssl, buf, sizeof(buf),
350 &readbytes),
351 SSL_READ_EARLY_DATA_SUCCESS)))
352 goto err;
353 if (tst <= 8) {
354 if (!TEST_int_gt(SSL_connect(cssl), 0))
355 goto err;
356 } else {
357 if (!TEST_int_le(SSL_connect(cssl), 0))
358 goto err;
359 }
360 if (!TEST_int_eq(SSL_read_early_data(sssl, buf, sizeof(buf),
361 &readbytes),
362 SSL_READ_EARLY_DATA_FINISH))
363 goto err;
364 }
365
366 /* Perform handshake (or complete it if doing early data ) */
367 if (!TEST_true(create_ssl_connection(sssl, cssl, SSL_ERROR_NONE)))
368 goto err;
369
370 /*
371 * Check there were no unexpected CCS messages, all record versions
372 * were as expected, and that the session ids were reflected by the server
373 * correctly.
374 */
375 if (!TEST_false(badccs) || !TEST_false(badvers) || !TEST_false(badsessid))
376 goto err;
377
378 switch (tst) {
379 case 0:
380 if (!TEST_true(sccsseen)
381 || !TEST_true(ccsaftersh)
382 || !TEST_false(ccsbeforesh)
383 || !TEST_size_t_gt(chsessidlen, 0))
384 goto err;
385 break;
386
387 case 1:
388 if (!TEST_true(sccsseen)
389 || !TEST_false(ccsaftersh)
390 || !TEST_false(ccsbeforesh)
391 || !TEST_size_t_eq(chsessidlen, 0))
392 goto err;
393 break;
394
395 case 2:
396 if (!TEST_false(sccsseen)
397 || !TEST_true(ccsaftersh)
398 || !TEST_false(ccsbeforesh)
399 || !TEST_size_t_gt(chsessidlen, 0))
400 goto err;
401 break;
402
403 case 3:
404 if (!TEST_true(sccsseen)
405 || !TEST_true(ccsaftersh)
406 || !TEST_false(ccsbeforesh)
407 || !TEST_size_t_gt(chsessidlen, 0))
408 goto err;
409 break;
410
411 case 4:
412 if (!TEST_true(sccsseen)
413 || !TEST_false(ccsaftersh)
414 || !TEST_false(ccsbeforesh)
415 || !TEST_size_t_eq(chsessidlen, 0))
416 goto err;
417 break;
418
419 case 5:
420 if (!TEST_false(sccsseen)
421 || !TEST_true(ccsaftersh)
422 || !TEST_false(ccsbeforesh)
423 || !TEST_size_t_gt(chsessidlen, 0))
424 goto err;
425 break;
426
427 case 6:
428 if (!TEST_true(sccsseen)
429 || !TEST_false(ccsaftersh)
430 || !TEST_true(ccsbeforesh)
431 || !TEST_size_t_gt(chsessidlen, 0))
432 goto err;
433 break;
434
435 case 7:
436 if (!TEST_true(sccsseen)
437 || !TEST_false(ccsaftersh)
438 || !TEST_false(ccsbeforesh)
439 || !TEST_size_t_eq(chsessidlen, 0))
440 goto err;
441 break;
442
443 case 8:
444 if (!TEST_false(sccsseen)
445 || !TEST_false(ccsaftersh)
446 || !TEST_true(ccsbeforesh)
447 || !TEST_size_t_gt(chsessidlen, 0))
448 goto err;
449 break;
450
451 case 9:
452 if (!TEST_true(sccsseen)
453 || !TEST_false(ccsaftersh)
454 || !TEST_true(ccsbeforesh)
455 || !TEST_size_t_gt(chsessidlen, 0))
456 goto err;
457 break;
458
459 case 10:
460 if (!TEST_true(sccsseen)
461 || !TEST_false(ccsaftersh)
462 || !TEST_false(ccsbeforesh)
463 || !TEST_size_t_eq(chsessidlen, 0))
464 goto err;
465 break;
466
467 case 11:
468 if (!TEST_false(sccsseen)
469 || !TEST_false(ccsaftersh)
470 || !TEST_true(ccsbeforesh)
471 || !TEST_size_t_gt(chsessidlen, 0))
472 goto err;
473 break;
474
475 default:
476 TEST_error("Invalid test value");
477 goto err;
478 }
479
480 ret = 1;
481 err:
482 SSL_SESSION_free(sess);
483 SSL_free(sssl);
484 SSL_free(cssl);
485 SSL_CTX_free(sctx);
486 SSL_CTX_free(cctx);
487
488 return ret;
489}
490
491OPT_TEST_DECLARE_USAGE("certfile privkeyfile\n")
492
493int setup_tests(void)
494{
495 if (!test_skip_common_options()) {
496 TEST_error("Error parsing test options\n");
497 return 0;
498 }
499
500 if (!TEST_ptr(cert = test_get_argument(0))
501 || !TEST_ptr(privkey = test_get_argument(1)))
502 return 0;
503
504 ADD_ALL_TESTS(test_tls13ccs, 12);
505
506 return 1;
507}
508
509void cleanup_tests(void)
510{
511 BIO_meth_free(method_watchccs);
512}
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