File: | out/../deps/openssl/openssl/ssl/statem/statem_clnt.c |
Warning: | line 3368, column 5 Value stored to 'pmslen' is never read |
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1 | /* |
2 | * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved. |
3 | * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved |
4 | * Copyright 2005 Nokia. All rights reserved. |
5 | * |
6 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
7 | * this file except in compliance with the License. You can obtain a copy |
8 | * in the file LICENSE in the source distribution or at |
9 | * https://www.openssl.org/source/license.html |
10 | */ |
11 | |
12 | #include <stdio.h> |
13 | #include <time.h> |
14 | #include <assert.h> |
15 | #include "../ssl_local.h" |
16 | #include "statem_local.h" |
17 | #include <openssl/buffer.h> |
18 | #include <openssl/rand.h> |
19 | #include <openssl/objects.h> |
20 | #include <openssl/evp.h> |
21 | #include <openssl/md5.h> |
22 | #include <openssl/dh.h> |
23 | #include <openssl/rsa.h> |
24 | #include <openssl/bn.h> |
25 | #include <openssl/engine.h> |
26 | #include <openssl/trace.h> |
27 | #include <openssl/core_names.h> |
28 | #include <openssl/param_build.h> |
29 | #include "internal/cryptlib.h" |
30 | |
31 | static MSG_PROCESS_RETURN tls_process_as_hello_retry_request(SSL *s, PACKET *pkt); |
32 | static MSG_PROCESS_RETURN tls_process_encrypted_extensions(SSL *s, PACKET *pkt); |
33 | |
34 | static ossl_inlineinline int cert_req_allowed(SSL *s); |
35 | static int key_exchange_expected(SSL *s); |
36 | static int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER)struct stack_st_SSL_CIPHER *sk, |
37 | WPACKET *pkt); |
38 | |
39 | /* |
40 | * Is a CertificateRequest message allowed at the moment or not? |
41 | * |
42 | * Return values are: |
43 | * 1: Yes |
44 | * 0: No |
45 | */ |
46 | static ossl_inlineinline int cert_req_allowed(SSL *s) |
47 | { |
48 | /* TLS does not like anon-DH with client cert */ |
49 | if ((s->version > SSL3_VERSION0x0300 |
50 | && (s->s3.tmp.new_cipher->algorithm_auth & SSL_aNULL0x00000004U)) |
51 | || (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aSRP0x00000040U | SSL_aPSK0x00000010U))) |
52 | return 0; |
53 | |
54 | return 1; |
55 | } |
56 | |
57 | /* |
58 | * Should we expect the ServerKeyExchange message or not? |
59 | * |
60 | * Return values are: |
61 | * 1: Yes |
62 | * 0: No |
63 | */ |
64 | static int key_exchange_expected(SSL *s) |
65 | { |
66 | long alg_k = s->s3.tmp.new_cipher->algorithm_mkey; |
67 | |
68 | /* |
69 | * Can't skip server key exchange if this is an ephemeral |
70 | * ciphersuite or for SRP |
71 | */ |
72 | if (alg_k & (SSL_kDHE0x00000002U | SSL_kECDHE0x00000004U | SSL_kDHEPSK0x00000100U | SSL_kECDHEPSK0x00000080U |
73 | | SSL_kSRP0x00000020U)) { |
74 | return 1; |
75 | } |
76 | |
77 | return 0; |
78 | } |
79 | |
80 | /* |
81 | * ossl_statem_client_read_transition() encapsulates the logic for the allowed |
82 | * handshake state transitions when a TLS1.3 client is reading messages from the |
83 | * server. The message type that the server has sent is provided in |mt|. The |
84 | * current state is in |s->statem.hand_state|. |
85 | * |
86 | * Return values are 1 for success (transition allowed) and 0 on error |
87 | * (transition not allowed) |
88 | */ |
89 | static int ossl_statem_client13_read_transition(SSL *s, int mt) |
90 | { |
91 | OSSL_STATEM *st = &s->statem; |
92 | |
93 | /* |
94 | * Note: There is no case for TLS_ST_CW_CLNT_HELLO, because we haven't |
95 | * yet negotiated TLSv1.3 at that point so that is handled by |
96 | * ossl_statem_client_read_transition() |
97 | */ |
98 | |
99 | switch (st->hand_state) { |
100 | default: |
101 | break; |
102 | |
103 | case TLS_ST_CW_CLNT_HELLO: |
104 | /* |
105 | * This must a ClientHello following a HelloRetryRequest, so the only |
106 | * thing we can get now is a ServerHello. |
107 | */ |
108 | if (mt == SSL3_MT_SERVER_HELLO2) { |
109 | st->hand_state = TLS_ST_CR_SRVR_HELLO; |
110 | return 1; |
111 | } |
112 | break; |
113 | |
114 | case TLS_ST_CR_SRVR_HELLO: |
115 | if (mt == SSL3_MT_ENCRYPTED_EXTENSIONS8) { |
116 | st->hand_state = TLS_ST_CR_ENCRYPTED_EXTENSIONS; |
117 | return 1; |
118 | } |
119 | break; |
120 | |
121 | case TLS_ST_CR_ENCRYPTED_EXTENSIONS: |
122 | if (s->hit) { |
123 | if (mt == SSL3_MT_FINISHED20) { |
124 | st->hand_state = TLS_ST_CR_FINISHED; |
125 | return 1; |
126 | } |
127 | } else { |
128 | if (mt == SSL3_MT_CERTIFICATE_REQUEST13) { |
129 | st->hand_state = TLS_ST_CR_CERT_REQ; |
130 | return 1; |
131 | } |
132 | if (mt == SSL3_MT_CERTIFICATE11) { |
133 | st->hand_state = TLS_ST_CR_CERT; |
134 | return 1; |
135 | } |
136 | } |
137 | break; |
138 | |
139 | case TLS_ST_CR_CERT_REQ: |
140 | if (mt == SSL3_MT_CERTIFICATE11) { |
141 | st->hand_state = TLS_ST_CR_CERT; |
142 | return 1; |
143 | } |
144 | break; |
145 | |
146 | case TLS_ST_CR_CERT: |
147 | if (mt == SSL3_MT_CERTIFICATE_VERIFY15) { |
148 | st->hand_state = TLS_ST_CR_CERT_VRFY; |
149 | return 1; |
150 | } |
151 | break; |
152 | |
153 | case TLS_ST_CR_CERT_VRFY: |
154 | if (mt == SSL3_MT_FINISHED20) { |
155 | st->hand_state = TLS_ST_CR_FINISHED; |
156 | return 1; |
157 | } |
158 | break; |
159 | |
160 | case TLS_ST_OK: |
161 | if (mt == SSL3_MT_NEWSESSION_TICKET4) { |
162 | st->hand_state = TLS_ST_CR_SESSION_TICKET; |
163 | return 1; |
164 | } |
165 | if (mt == SSL3_MT_KEY_UPDATE24) { |
166 | st->hand_state = TLS_ST_CR_KEY_UPDATE; |
167 | return 1; |
168 | } |
169 | if (mt == SSL3_MT_CERTIFICATE_REQUEST13) { |
170 | #if DTLS_MAX_VERSION_INTERNAL0xFEFD != DTLS1_2_VERSION0xFEFD |
171 | /* Restore digest for PHA before adding message.*/ |
172 | # error Internal DTLS version error |
173 | #endif |
174 | if (!SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) && s->post_handshake_auth == SSL_PHA_EXT_SENT) { |
175 | s->post_handshake_auth = SSL_PHA_REQUESTED; |
176 | /* |
177 | * In TLS, this is called before the message is added to the |
178 | * digest. In DTLS, this is expected to be called after adding |
179 | * to the digest. Either move the digest restore, or add the |
180 | * message here after the swap, or do it after the clientFinished? |
181 | */ |
182 | if (!tls13_restore_handshake_digest_for_pha(s)) { |
183 | /* SSLfatal() already called */ |
184 | return 0; |
185 | } |
186 | st->hand_state = TLS_ST_CR_CERT_REQ; |
187 | return 1; |
188 | } |
189 | } |
190 | break; |
191 | } |
192 | |
193 | /* No valid transition found */ |
194 | return 0; |
195 | } |
196 | |
197 | /* |
198 | * ossl_statem_client_read_transition() encapsulates the logic for the allowed |
199 | * handshake state transitions when the client is reading messages from the |
200 | * server. The message type that the server has sent is provided in |mt|. The |
201 | * current state is in |s->statem.hand_state|. |
202 | * |
203 | * Return values are 1 for success (transition allowed) and 0 on error |
204 | * (transition not allowed) |
205 | */ |
206 | int ossl_statem_client_read_transition(SSL *s, int mt) |
207 | { |
208 | OSSL_STATEM *st = &s->statem; |
209 | int ske_expected; |
210 | |
211 | /* |
212 | * Note that after writing the first ClientHello we don't know what version |
213 | * we are going to negotiate yet, so we don't take this branch until later. |
214 | */ |
215 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
216 | if (!ossl_statem_client13_read_transition(s, mt)) |
217 | goto err; |
218 | return 1; |
219 | } |
220 | |
221 | switch (st->hand_state) { |
222 | default: |
223 | break; |
224 | |
225 | case TLS_ST_CW_CLNT_HELLO: |
226 | if (mt == SSL3_MT_SERVER_HELLO2) { |
227 | st->hand_state = TLS_ST_CR_SRVR_HELLO; |
228 | return 1; |
229 | } |
230 | |
231 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
232 | if (mt == DTLS1_MT_HELLO_VERIFY_REQUEST3) { |
233 | st->hand_state = DTLS_ST_CR_HELLO_VERIFY_REQUEST; |
234 | return 1; |
235 | } |
236 | } |
237 | break; |
238 | |
239 | case TLS_ST_EARLY_DATA: |
240 | /* |
241 | * We've not actually selected TLSv1.3 yet, but we have sent early |
242 | * data. The only thing allowed now is a ServerHello or a |
243 | * HelloRetryRequest. |
244 | */ |
245 | if (mt == SSL3_MT_SERVER_HELLO2) { |
246 | st->hand_state = TLS_ST_CR_SRVR_HELLO; |
247 | return 1; |
248 | } |
249 | break; |
250 | |
251 | case TLS_ST_CR_SRVR_HELLO: |
252 | if (s->hit) { |
253 | if (s->ext.ticket_expected) { |
254 | if (mt == SSL3_MT_NEWSESSION_TICKET4) { |
255 | st->hand_state = TLS_ST_CR_SESSION_TICKET; |
256 | return 1; |
257 | } |
258 | } else if (mt == SSL3_MT_CHANGE_CIPHER_SPEC0x0101) { |
259 | st->hand_state = TLS_ST_CR_CHANGE; |
260 | return 1; |
261 | } |
262 | } else { |
263 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) && mt == DTLS1_MT_HELLO_VERIFY_REQUEST3) { |
264 | st->hand_state = DTLS_ST_CR_HELLO_VERIFY_REQUEST; |
265 | return 1; |
266 | } else if (s->version >= TLS1_VERSION0x0301 |
267 | && s->ext.session_secret_cb != NULL((void*)0) |
268 | && s->session->ext.tick != NULL((void*)0) |
269 | && mt == SSL3_MT_CHANGE_CIPHER_SPEC0x0101) { |
270 | /* |
271 | * Normally, we can tell if the server is resuming the session |
272 | * from the session ID. EAP-FAST (RFC 4851), however, relies on |
273 | * the next server message after the ServerHello to determine if |
274 | * the server is resuming. |
275 | */ |
276 | s->hit = 1; |
277 | st->hand_state = TLS_ST_CR_CHANGE; |
278 | return 1; |
279 | } else if (!(s->s3.tmp.new_cipher->algorithm_auth |
280 | & (SSL_aNULL0x00000004U | SSL_aSRP0x00000040U | SSL_aPSK0x00000010U))) { |
281 | if (mt == SSL3_MT_CERTIFICATE11) { |
282 | st->hand_state = TLS_ST_CR_CERT; |
283 | return 1; |
284 | } |
285 | } else { |
286 | ske_expected = key_exchange_expected(s); |
287 | /* SKE is optional for some PSK ciphersuites */ |
288 | if (ske_expected |
289 | || ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK(0x00000008U | 0x00000040U | 0x00000080U | 0x00000100U)) |
290 | && mt == SSL3_MT_SERVER_KEY_EXCHANGE12)) { |
291 | if (mt == SSL3_MT_SERVER_KEY_EXCHANGE12) { |
292 | st->hand_state = TLS_ST_CR_KEY_EXCH; |
293 | return 1; |
294 | } |
295 | } else if (mt == SSL3_MT_CERTIFICATE_REQUEST13 |
296 | && cert_req_allowed(s)) { |
297 | st->hand_state = TLS_ST_CR_CERT_REQ; |
298 | return 1; |
299 | } else if (mt == SSL3_MT_SERVER_DONE14) { |
300 | st->hand_state = TLS_ST_CR_SRVR_DONE; |
301 | return 1; |
302 | } |
303 | } |
304 | } |
305 | break; |
306 | |
307 | case TLS_ST_CR_CERT: |
308 | /* |
309 | * The CertificateStatus message is optional even if |
310 | * |ext.status_expected| is set |
311 | */ |
312 | if (s->ext.status_expected && mt == SSL3_MT_CERTIFICATE_STATUS22) { |
313 | st->hand_state = TLS_ST_CR_CERT_STATUS; |
314 | return 1; |
315 | } |
316 | /* Fall through */ |
317 | |
318 | case TLS_ST_CR_CERT_STATUS: |
319 | ske_expected = key_exchange_expected(s); |
320 | /* SKE is optional for some PSK ciphersuites */ |
321 | if (ske_expected || ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK(0x00000008U | 0x00000040U | 0x00000080U | 0x00000100U)) |
322 | && mt == SSL3_MT_SERVER_KEY_EXCHANGE12)) { |
323 | if (mt == SSL3_MT_SERVER_KEY_EXCHANGE12) { |
324 | st->hand_state = TLS_ST_CR_KEY_EXCH; |
325 | return 1; |
326 | } |
327 | goto err; |
328 | } |
329 | /* Fall through */ |
330 | |
331 | case TLS_ST_CR_KEY_EXCH: |
332 | if (mt == SSL3_MT_CERTIFICATE_REQUEST13) { |
333 | if (cert_req_allowed(s)) { |
334 | st->hand_state = TLS_ST_CR_CERT_REQ; |
335 | return 1; |
336 | } |
337 | goto err; |
338 | } |
339 | /* Fall through */ |
340 | |
341 | case TLS_ST_CR_CERT_REQ: |
342 | if (mt == SSL3_MT_SERVER_DONE14) { |
343 | st->hand_state = TLS_ST_CR_SRVR_DONE; |
344 | return 1; |
345 | } |
346 | break; |
347 | |
348 | case TLS_ST_CW_FINISHED: |
349 | if (s->ext.ticket_expected) { |
350 | if (mt == SSL3_MT_NEWSESSION_TICKET4) { |
351 | st->hand_state = TLS_ST_CR_SESSION_TICKET; |
352 | return 1; |
353 | } |
354 | } else if (mt == SSL3_MT_CHANGE_CIPHER_SPEC0x0101) { |
355 | st->hand_state = TLS_ST_CR_CHANGE; |
356 | return 1; |
357 | } |
358 | break; |
359 | |
360 | case TLS_ST_CR_SESSION_TICKET: |
361 | if (mt == SSL3_MT_CHANGE_CIPHER_SPEC0x0101) { |
362 | st->hand_state = TLS_ST_CR_CHANGE; |
363 | return 1; |
364 | } |
365 | break; |
366 | |
367 | case TLS_ST_CR_CHANGE: |
368 | if (mt == SSL3_MT_FINISHED20) { |
369 | st->hand_state = TLS_ST_CR_FINISHED; |
370 | return 1; |
371 | } |
372 | break; |
373 | |
374 | case TLS_ST_OK: |
375 | if (mt == SSL3_MT_HELLO_REQUEST0) { |
376 | st->hand_state = TLS_ST_CR_HELLO_REQ; |
377 | return 1; |
378 | } |
379 | break; |
380 | } |
381 | |
382 | err: |
383 | /* No valid transition found */ |
384 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) && mt == SSL3_MT_CHANGE_CIPHER_SPEC0x0101) { |
385 | BIO *rbio; |
386 | |
387 | /* |
388 | * CCS messages don't have a message sequence number so this is probably |
389 | * because of an out-of-order CCS. We'll just drop it. |
390 | */ |
391 | s->init_num = 0; |
392 | s->rwstate = SSL_READING3; |
393 | rbio = SSL_get_rbio(s); |
394 | BIO_clear_retry_flags(rbio)BIO_clear_flags(rbio, ((0x01|0x02|0x04)|0x08)); |
395 | BIO_set_retry_read(rbio)BIO_set_flags(rbio, (0x01|0x08)); |
396 | return 0; |
397 | } |
398 | SSLfatal(s, SSL3_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 398, __func__), ossl_statem_fatal)((s), (10), (244), ((void *)0)); |
399 | return 0; |
400 | } |
401 | |
402 | /* |
403 | * ossl_statem_client13_write_transition() works out what handshake state to |
404 | * move to next when the TLSv1.3 client is writing messages to be sent to the |
405 | * server. |
406 | */ |
407 | static WRITE_TRAN ossl_statem_client13_write_transition(SSL *s) |
408 | { |
409 | OSSL_STATEM *st = &s->statem; |
410 | |
411 | /* |
412 | * Note: There are no cases for TLS_ST_BEFORE because we haven't negotiated |
413 | * TLSv1.3 yet at that point. They are handled by |
414 | * ossl_statem_client_write_transition(). |
415 | */ |
416 | switch (st->hand_state) { |
417 | default: |
418 | /* Shouldn't happen */ |
419 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 419, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
420 | return WRITE_TRAN_ERROR; |
421 | |
422 | case TLS_ST_CR_CERT_REQ: |
423 | if (s->post_handshake_auth == SSL_PHA_REQUESTED) { |
424 | st->hand_state = TLS_ST_CW_CERT; |
425 | return WRITE_TRAN_CONTINUE; |
426 | } |
427 | /* |
428 | * We should only get here if we received a CertificateRequest after |
429 | * we already sent close_notify |
430 | */ |
431 | if (!ossl_assert((s->shutdown & SSL_SENT_SHUTDOWN) != 0)(((s->shutdown & 1) != 0) != 0)) { |
432 | /* Shouldn't happen - same as default case */ |
433 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 433, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
434 | return WRITE_TRAN_ERROR; |
435 | } |
436 | st->hand_state = TLS_ST_OK; |
437 | return WRITE_TRAN_CONTINUE; |
438 | |
439 | case TLS_ST_CR_FINISHED: |
440 | if (s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY |
441 | || s->early_data_state == SSL_EARLY_DATA_FINISHED_WRITING) |
442 | st->hand_state = TLS_ST_PENDING_EARLY_DATA_END; |
443 | else if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT((uint64_t)1 << (uint64_t)20)) != 0 |
444 | && s->hello_retry_request == SSL_HRR_NONE) |
445 | st->hand_state = TLS_ST_CW_CHANGE; |
446 | else |
447 | st->hand_state = (s->s3.tmp.cert_req != 0) ? TLS_ST_CW_CERT |
448 | : TLS_ST_CW_FINISHED; |
449 | return WRITE_TRAN_CONTINUE; |
450 | |
451 | case TLS_ST_PENDING_EARLY_DATA_END: |
452 | if (s->ext.early_data == SSL_EARLY_DATA_ACCEPTED2) { |
453 | st->hand_state = TLS_ST_CW_END_OF_EARLY_DATA; |
454 | return WRITE_TRAN_CONTINUE; |
455 | } |
456 | /* Fall through */ |
457 | |
458 | case TLS_ST_CW_END_OF_EARLY_DATA: |
459 | case TLS_ST_CW_CHANGE: |
460 | st->hand_state = (s->s3.tmp.cert_req != 0) ? TLS_ST_CW_CERT |
461 | : TLS_ST_CW_FINISHED; |
462 | return WRITE_TRAN_CONTINUE; |
463 | |
464 | case TLS_ST_CW_CERT: |
465 | /* If a non-empty Certificate we also send CertificateVerify */ |
466 | st->hand_state = (s->s3.tmp.cert_req == 1) ? TLS_ST_CW_CERT_VRFY |
467 | : TLS_ST_CW_FINISHED; |
468 | return WRITE_TRAN_CONTINUE; |
469 | |
470 | case TLS_ST_CW_CERT_VRFY: |
471 | st->hand_state = TLS_ST_CW_FINISHED; |
472 | return WRITE_TRAN_CONTINUE; |
473 | |
474 | case TLS_ST_CR_KEY_UPDATE: |
475 | case TLS_ST_CW_KEY_UPDATE: |
476 | case TLS_ST_CR_SESSION_TICKET: |
477 | case TLS_ST_CW_FINISHED: |
478 | st->hand_state = TLS_ST_OK; |
479 | return WRITE_TRAN_CONTINUE; |
480 | |
481 | case TLS_ST_OK: |
482 | if (s->key_update != SSL_KEY_UPDATE_NONE-1) { |
483 | st->hand_state = TLS_ST_CW_KEY_UPDATE; |
484 | return WRITE_TRAN_CONTINUE; |
485 | } |
486 | |
487 | /* Try to read from the server instead */ |
488 | return WRITE_TRAN_FINISHED; |
489 | } |
490 | } |
491 | |
492 | /* |
493 | * ossl_statem_client_write_transition() works out what handshake state to |
494 | * move to next when the client is writing messages to be sent to the server. |
495 | */ |
496 | WRITE_TRAN ossl_statem_client_write_transition(SSL *s) |
497 | { |
498 | OSSL_STATEM *st = &s->statem; |
499 | |
500 | /* |
501 | * Note that immediately before/after a ClientHello we don't know what |
502 | * version we are going to negotiate yet, so we don't take this branch until |
503 | * later |
504 | */ |
505 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) |
506 | return ossl_statem_client13_write_transition(s); |
507 | |
508 | switch (st->hand_state) { |
509 | default: |
510 | /* Shouldn't happen */ |
511 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 511, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
512 | return WRITE_TRAN_ERROR; |
513 | |
514 | case TLS_ST_OK: |
515 | if (!s->renegotiate) { |
516 | /* |
517 | * We haven't requested a renegotiation ourselves so we must have |
518 | * received a message from the server. Better read it. |
519 | */ |
520 | return WRITE_TRAN_FINISHED; |
521 | } |
522 | /* Renegotiation */ |
523 | /* fall thru */ |
524 | case TLS_ST_BEFORE: |
525 | st->hand_state = TLS_ST_CW_CLNT_HELLO; |
526 | return WRITE_TRAN_CONTINUE; |
527 | |
528 | case TLS_ST_CW_CLNT_HELLO: |
529 | if (s->early_data_state == SSL_EARLY_DATA_CONNECTING) { |
530 | /* |
531 | * We are assuming this is a TLSv1.3 connection, although we haven't |
532 | * actually selected a version yet. |
533 | */ |
534 | if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT((uint64_t)1 << (uint64_t)20)) != 0) |
535 | st->hand_state = TLS_ST_CW_CHANGE; |
536 | else |
537 | st->hand_state = TLS_ST_EARLY_DATA; |
538 | return WRITE_TRAN_CONTINUE; |
539 | } |
540 | /* |
541 | * No transition at the end of writing because we don't know what |
542 | * we will be sent |
543 | */ |
544 | return WRITE_TRAN_FINISHED; |
545 | |
546 | case TLS_ST_CR_SRVR_HELLO: |
547 | /* |
548 | * We only get here in TLSv1.3. We just received an HRR, so issue a |
549 | * CCS unless middlebox compat mode is off, or we already issued one |
550 | * because we did early data. |
551 | */ |
552 | if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT((uint64_t)1 << (uint64_t)20)) != 0 |
553 | && s->early_data_state != SSL_EARLY_DATA_FINISHED_WRITING) |
554 | st->hand_state = TLS_ST_CW_CHANGE; |
555 | else |
556 | st->hand_state = TLS_ST_CW_CLNT_HELLO; |
557 | return WRITE_TRAN_CONTINUE; |
558 | |
559 | case TLS_ST_EARLY_DATA: |
560 | return WRITE_TRAN_FINISHED; |
561 | |
562 | case DTLS_ST_CR_HELLO_VERIFY_REQUEST: |
563 | st->hand_state = TLS_ST_CW_CLNT_HELLO; |
564 | return WRITE_TRAN_CONTINUE; |
565 | |
566 | case TLS_ST_CR_SRVR_DONE: |
567 | if (s->s3.tmp.cert_req) |
568 | st->hand_state = TLS_ST_CW_CERT; |
569 | else |
570 | st->hand_state = TLS_ST_CW_KEY_EXCH; |
571 | return WRITE_TRAN_CONTINUE; |
572 | |
573 | case TLS_ST_CW_CERT: |
574 | st->hand_state = TLS_ST_CW_KEY_EXCH; |
575 | return WRITE_TRAN_CONTINUE; |
576 | |
577 | case TLS_ST_CW_KEY_EXCH: |
578 | /* |
579 | * For TLS, cert_req is set to 2, so a cert chain of nothing is |
580 | * sent, but no verify packet is sent |
581 | */ |
582 | /* |
583 | * XXX: For now, we do not support client authentication in ECDH |
584 | * cipher suites with ECDH (rather than ECDSA) certificates. We |
585 | * need to skip the certificate verify message when client's |
586 | * ECDH public key is sent inside the client certificate. |
587 | */ |
588 | if (s->s3.tmp.cert_req == 1) { |
589 | st->hand_state = TLS_ST_CW_CERT_VRFY; |
590 | } else { |
591 | st->hand_state = TLS_ST_CW_CHANGE; |
592 | } |
593 | if (s->s3.flags & TLS1_FLAGS_SKIP_CERT_VERIFY0x0010) { |
594 | st->hand_state = TLS_ST_CW_CHANGE; |
595 | } |
596 | return WRITE_TRAN_CONTINUE; |
597 | |
598 | case TLS_ST_CW_CERT_VRFY: |
599 | st->hand_state = TLS_ST_CW_CHANGE; |
600 | return WRITE_TRAN_CONTINUE; |
601 | |
602 | case TLS_ST_CW_CHANGE: |
603 | if (s->hello_retry_request == SSL_HRR_PENDING) { |
604 | st->hand_state = TLS_ST_CW_CLNT_HELLO; |
605 | } else if (s->early_data_state == SSL_EARLY_DATA_CONNECTING) { |
606 | st->hand_state = TLS_ST_EARLY_DATA; |
607 | } else { |
608 | #if defined(OPENSSL_NO_NEXTPROTONEG) |
609 | st->hand_state = TLS_ST_CW_FINISHED; |
610 | #else |
611 | if (!SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) && s->s3.npn_seen) |
612 | st->hand_state = TLS_ST_CW_NEXT_PROTO; |
613 | else |
614 | st->hand_state = TLS_ST_CW_FINISHED; |
615 | #endif |
616 | } |
617 | return WRITE_TRAN_CONTINUE; |
618 | |
619 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
620 | case TLS_ST_CW_NEXT_PROTO: |
621 | st->hand_state = TLS_ST_CW_FINISHED; |
622 | return WRITE_TRAN_CONTINUE; |
623 | #endif |
624 | |
625 | case TLS_ST_CW_FINISHED: |
626 | if (s->hit) { |
627 | st->hand_state = TLS_ST_OK; |
628 | return WRITE_TRAN_CONTINUE; |
629 | } else { |
630 | return WRITE_TRAN_FINISHED; |
631 | } |
632 | |
633 | case TLS_ST_CR_FINISHED: |
634 | if (s->hit) { |
635 | st->hand_state = TLS_ST_CW_CHANGE; |
636 | return WRITE_TRAN_CONTINUE; |
637 | } else { |
638 | st->hand_state = TLS_ST_OK; |
639 | return WRITE_TRAN_CONTINUE; |
640 | } |
641 | |
642 | case TLS_ST_CR_HELLO_REQ: |
643 | /* |
644 | * If we can renegotiate now then do so, otherwise wait for a more |
645 | * convenient time. |
646 | */ |
647 | if (ssl3_renegotiate_check(s, 1)) { |
648 | if (!tls_setup_handshake(s)) { |
649 | /* SSLfatal() already called */ |
650 | return WRITE_TRAN_ERROR; |
651 | } |
652 | st->hand_state = TLS_ST_CW_CLNT_HELLO; |
653 | return WRITE_TRAN_CONTINUE; |
654 | } |
655 | st->hand_state = TLS_ST_OK; |
656 | return WRITE_TRAN_CONTINUE; |
657 | } |
658 | } |
659 | |
660 | /* |
661 | * Perform any pre work that needs to be done prior to sending a message from |
662 | * the client to the server. |
663 | */ |
664 | WORK_STATE ossl_statem_client_pre_work(SSL *s, WORK_STATE wst) |
665 | { |
666 | OSSL_STATEM *st = &s->statem; |
667 | |
668 | switch (st->hand_state) { |
669 | default: |
670 | /* No pre work to be done */ |
671 | break; |
672 | |
673 | case TLS_ST_CW_CLNT_HELLO: |
674 | s->shutdown = 0; |
675 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
676 | /* every DTLS ClientHello resets Finished MAC */ |
677 | if (!ssl3_init_finished_mac(s)) { |
678 | /* SSLfatal() already called */ |
679 | return WORK_ERROR; |
680 | } |
681 | } |
682 | break; |
683 | |
684 | case TLS_ST_CW_CHANGE: |
685 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
686 | if (s->hit) { |
687 | /* |
688 | * We're into the last flight so we don't retransmit these |
689 | * messages unless we need to. |
690 | */ |
691 | st->use_timer = 0; |
692 | } |
693 | #ifndef OPENSSL_NO_SCTP |
694 | if (BIO_dgram_is_sctp(SSL_get_wbio(s))) { |
695 | /* Calls SSLfatal() as required */ |
696 | return dtls_wait_for_dry(s); |
697 | } |
698 | #endif |
699 | } |
700 | break; |
701 | |
702 | case TLS_ST_PENDING_EARLY_DATA_END: |
703 | /* |
704 | * If we've been called by SSL_do_handshake()/SSL_write(), or we did not |
705 | * attempt to write early data before calling SSL_read() then we press |
706 | * on with the handshake. Otherwise we pause here. |
707 | */ |
708 | if (s->early_data_state == SSL_EARLY_DATA_FINISHED_WRITING |
709 | || s->early_data_state == SSL_EARLY_DATA_NONE) |
710 | return WORK_FINISHED_CONTINUE; |
711 | /* Fall through */ |
712 | |
713 | case TLS_ST_EARLY_DATA: |
714 | return tls_finish_handshake(s, wst, 0, 1); |
715 | |
716 | case TLS_ST_OK: |
717 | /* Calls SSLfatal() as required */ |
718 | return tls_finish_handshake(s, wst, 1, 1); |
719 | } |
720 | |
721 | return WORK_FINISHED_CONTINUE; |
722 | } |
723 | |
724 | /* |
725 | * Perform any work that needs to be done after sending a message from the |
726 | * client to the server. |
727 | */ |
728 | WORK_STATE ossl_statem_client_post_work(SSL *s, WORK_STATE wst) |
729 | { |
730 | OSSL_STATEM *st = &s->statem; |
731 | |
732 | s->init_num = 0; |
733 | |
734 | switch (st->hand_state) { |
735 | default: |
736 | /* No post work to be done */ |
737 | break; |
738 | |
739 | case TLS_ST_CW_CLNT_HELLO: |
740 | if (s->early_data_state == SSL_EARLY_DATA_CONNECTING |
741 | && s->max_early_data > 0) { |
742 | /* |
743 | * We haven't selected TLSv1.3 yet so we don't call the change |
744 | * cipher state function associated with the SSL_METHOD. Instead |
745 | * we call tls13_change_cipher_state() directly. |
746 | */ |
747 | if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT((uint64_t)1 << (uint64_t)20)) == 0) { |
748 | if (!tls13_change_cipher_state(s, |
749 | SSL3_CC_EARLY0x040 | SSL3_CHANGE_CIPHER_CLIENT_WRITE(0x010|0x002))) { |
750 | /* SSLfatal() already called */ |
751 | return WORK_ERROR; |
752 | } |
753 | } |
754 | /* else we're in compat mode so we delay flushing until after CCS */ |
755 | } else if (!statem_flush(s)) { |
756 | return WORK_MORE_A; |
757 | } |
758 | |
759 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
760 | /* Treat the next message as the first packet */ |
761 | s->first_packet = 1; |
762 | } |
763 | break; |
764 | |
765 | case TLS_ST_CW_END_OF_EARLY_DATA: |
766 | /* |
767 | * We set the enc_write_ctx back to NULL because we may end up writing |
768 | * in cleartext again if we get a HelloRetryRequest from the server. |
769 | */ |
770 | EVP_CIPHER_CTX_free(s->enc_write_ctx); |
771 | s->enc_write_ctx = NULL((void*)0); |
772 | break; |
773 | |
774 | case TLS_ST_CW_KEY_EXCH: |
775 | if (tls_client_key_exchange_post_work(s) == 0) { |
776 | /* SSLfatal() already called */ |
777 | return WORK_ERROR; |
778 | } |
779 | break; |
780 | |
781 | case TLS_ST_CW_CHANGE: |
782 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) || s->hello_retry_request == SSL_HRR_PENDING) |
783 | break; |
784 | if (s->early_data_state == SSL_EARLY_DATA_CONNECTING |
785 | && s->max_early_data > 0) { |
786 | /* |
787 | * We haven't selected TLSv1.3 yet so we don't call the change |
788 | * cipher state function associated with the SSL_METHOD. Instead |
789 | * we call tls13_change_cipher_state() directly. |
790 | */ |
791 | if (!tls13_change_cipher_state(s, |
792 | SSL3_CC_EARLY0x040 | SSL3_CHANGE_CIPHER_CLIENT_WRITE(0x010|0x002))) |
793 | return WORK_ERROR; |
794 | break; |
795 | } |
796 | s->session->cipher = s->s3.tmp.new_cipher; |
797 | #ifdef OPENSSL_NO_COMP |
798 | s->session->compress_meth = 0; |
799 | #else |
800 | if (s->s3.tmp.new_compression == NULL((void*)0)) |
801 | s->session->compress_meth = 0; |
802 | else |
803 | s->session->compress_meth = s->s3.tmp.new_compression->id; |
804 | #endif |
805 | if (!s->method->ssl3_enc->setup_key_block(s)) { |
806 | /* SSLfatal() already called */ |
807 | return WORK_ERROR; |
808 | } |
809 | |
810 | if (!s->method->ssl3_enc->change_cipher_state(s, |
811 | SSL3_CHANGE_CIPHER_CLIENT_WRITE(0x010|0x002))) { |
812 | /* SSLfatal() already called */ |
813 | return WORK_ERROR; |
814 | } |
815 | |
816 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
817 | #ifndef OPENSSL_NO_SCTP |
818 | if (s->hit) { |
819 | /* |
820 | * Change to new shared key of SCTP-Auth, will be ignored if |
821 | * no SCTP used. |
822 | */ |
823 | BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, |
824 | 0, NULL((void*)0)); |
825 | } |
826 | #endif |
827 | |
828 | dtls1_reset_seq_numbers(s, SSL3_CC_WRITE0x002); |
829 | } |
830 | break; |
831 | |
832 | case TLS_ST_CW_FINISHED: |
833 | #ifndef OPENSSL_NO_SCTP |
834 | if (wst == WORK_MORE_A && SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) && s->hit == 0) { |
835 | /* |
836 | * Change to new shared key of SCTP-Auth, will be ignored if |
837 | * no SCTP used. |
838 | */ |
839 | BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY, |
840 | 0, NULL((void*)0)); |
841 | } |
842 | #endif |
843 | if (statem_flush(s) != 1) |
844 | return WORK_MORE_B; |
845 | |
846 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
847 | if (!tls13_save_handshake_digest_for_pha(s)) { |
848 | /* SSLfatal() already called */ |
849 | return WORK_ERROR; |
850 | } |
851 | if (s->post_handshake_auth != SSL_PHA_REQUESTED) { |
852 | if (!s->method->ssl3_enc->change_cipher_state(s, |
853 | SSL3_CC_APPLICATION0x100 | SSL3_CHANGE_CIPHER_CLIENT_WRITE(0x010|0x002))) { |
854 | /* SSLfatal() already called */ |
855 | return WORK_ERROR; |
856 | } |
857 | } |
858 | } |
859 | break; |
860 | |
861 | case TLS_ST_CW_KEY_UPDATE: |
862 | if (statem_flush(s) != 1) |
863 | return WORK_MORE_A; |
864 | if (!tls13_update_key(s, 1)) { |
865 | /* SSLfatal() already called */ |
866 | return WORK_ERROR; |
867 | } |
868 | break; |
869 | } |
870 | |
871 | return WORK_FINISHED_CONTINUE; |
872 | } |
873 | |
874 | /* |
875 | * Get the message construction function and message type for sending from the |
876 | * client |
877 | * |
878 | * Valid return values are: |
879 | * 1: Success |
880 | * 0: Error |
881 | */ |
882 | int ossl_statem_client_construct_message(SSL *s, WPACKET *pkt, |
883 | confunc_f *confunc, int *mt) |
884 | { |
885 | OSSL_STATEM *st = &s->statem; |
886 | |
887 | switch (st->hand_state) { |
888 | default: |
889 | /* Shouldn't happen */ |
890 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_STATE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 890, __func__), ossl_statem_fatal)((s), (80), (236), ((void *)0)); |
891 | return 0; |
892 | |
893 | case TLS_ST_CW_CHANGE: |
894 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) |
895 | *confunc = dtls_construct_change_cipher_spec; |
896 | else |
897 | *confunc = tls_construct_change_cipher_spec; |
898 | *mt = SSL3_MT_CHANGE_CIPHER_SPEC0x0101; |
899 | break; |
900 | |
901 | case TLS_ST_CW_CLNT_HELLO: |
902 | *confunc = tls_construct_client_hello; |
903 | *mt = SSL3_MT_CLIENT_HELLO1; |
904 | break; |
905 | |
906 | case TLS_ST_CW_END_OF_EARLY_DATA: |
907 | #ifndef OPENSSL_NO_QUIC |
908 | /* QUIC does not send EndOfEarlyData, RFC9001 S8.3 */ |
909 | if (SSL_IS_QUIC(s)(s->quic_method != ((void*)0))) { |
910 | *confunc = NULL((void*)0); |
911 | *mt = SSL3_MT_DUMMY-1; |
912 | break; |
913 | } |
914 | #endif |
915 | *confunc = tls_construct_end_of_early_data; |
916 | *mt = SSL3_MT_END_OF_EARLY_DATA5; |
917 | break; |
918 | |
919 | case TLS_ST_PENDING_EARLY_DATA_END: |
920 | *confunc = NULL((void*)0); |
921 | *mt = SSL3_MT_DUMMY-1; |
922 | break; |
923 | |
924 | case TLS_ST_CW_CERT: |
925 | *confunc = tls_construct_client_certificate; |
926 | *mt = SSL3_MT_CERTIFICATE11; |
927 | break; |
928 | |
929 | case TLS_ST_CW_KEY_EXCH: |
930 | *confunc = tls_construct_client_key_exchange; |
931 | *mt = SSL3_MT_CLIENT_KEY_EXCHANGE16; |
932 | break; |
933 | |
934 | case TLS_ST_CW_CERT_VRFY: |
935 | *confunc = tls_construct_cert_verify; |
936 | *mt = SSL3_MT_CERTIFICATE_VERIFY15; |
937 | break; |
938 | |
939 | #if !defined(OPENSSL_NO_NEXTPROTONEG) |
940 | case TLS_ST_CW_NEXT_PROTO: |
941 | *confunc = tls_construct_next_proto; |
942 | *mt = SSL3_MT_NEXT_PROTO67; |
943 | break; |
944 | #endif |
945 | case TLS_ST_CW_FINISHED: |
946 | *confunc = tls_construct_finished; |
947 | *mt = SSL3_MT_FINISHED20; |
948 | break; |
949 | |
950 | case TLS_ST_CW_KEY_UPDATE: |
951 | *confunc = tls_construct_key_update; |
952 | *mt = SSL3_MT_KEY_UPDATE24; |
953 | break; |
954 | } |
955 | |
956 | return 1; |
957 | } |
958 | |
959 | /* |
960 | * Returns the maximum allowed length for the current message that we are |
961 | * reading. Excludes the message header. |
962 | */ |
963 | size_t ossl_statem_client_max_message_size(SSL *s) |
964 | { |
965 | OSSL_STATEM *st = &s->statem; |
966 | |
967 | switch (st->hand_state) { |
968 | default: |
969 | /* Shouldn't happen */ |
970 | return 0; |
971 | |
972 | case TLS_ST_CR_SRVR_HELLO: |
973 | return SERVER_HELLO_MAX_LENGTH65607; |
974 | |
975 | case DTLS_ST_CR_HELLO_VERIFY_REQUEST: |
976 | return HELLO_VERIFY_REQUEST_MAX_LENGTH258; |
977 | |
978 | case TLS_ST_CR_CERT: |
979 | return s->max_cert_list; |
980 | |
981 | case TLS_ST_CR_CERT_VRFY: |
982 | return SSL3_RT_MAX_PLAIN_LENGTH16384; |
983 | |
984 | case TLS_ST_CR_CERT_STATUS: |
985 | return SSL3_RT_MAX_PLAIN_LENGTH16384; |
986 | |
987 | case TLS_ST_CR_KEY_EXCH: |
988 | return SERVER_KEY_EXCH_MAX_LENGTH102400; |
989 | |
990 | case TLS_ST_CR_CERT_REQ: |
991 | /* |
992 | * Set to s->max_cert_list for compatibility with previous releases. In |
993 | * practice these messages can get quite long if servers are configured |
994 | * to provide a long list of acceptable CAs |
995 | */ |
996 | return s->max_cert_list; |
997 | |
998 | case TLS_ST_CR_SRVR_DONE: |
999 | return SERVER_HELLO_DONE_MAX_LENGTH0; |
1000 | |
1001 | case TLS_ST_CR_CHANGE: |
1002 | if (s->version == DTLS1_BAD_VER0x0100) |
1003 | return 3; |
1004 | return CCS_MAX_LENGTH1; |
1005 | |
1006 | case TLS_ST_CR_SESSION_TICKET: |
1007 | return (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) ? SESSION_TICKET_MAX_LENGTH_TLS13131338 |
1008 | : SESSION_TICKET_MAX_LENGTH_TLS1265541; |
1009 | |
1010 | case TLS_ST_CR_FINISHED: |
1011 | return FINISHED_MAX_LENGTH64; |
1012 | |
1013 | case TLS_ST_CR_ENCRYPTED_EXTENSIONS: |
1014 | return ENCRYPTED_EXTENSIONS_MAX_LENGTH20000; |
1015 | |
1016 | case TLS_ST_CR_KEY_UPDATE: |
1017 | return KEY_UPDATE_MAX_LENGTH1; |
1018 | } |
1019 | } |
1020 | |
1021 | /* |
1022 | * Process a message that the client has received from the server. |
1023 | */ |
1024 | MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL *s, PACKET *pkt) |
1025 | { |
1026 | OSSL_STATEM *st = &s->statem; |
1027 | |
1028 | switch (st->hand_state) { |
1029 | default: |
1030 | /* Shouldn't happen */ |
1031 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1031, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1032 | return MSG_PROCESS_ERROR; |
1033 | |
1034 | case TLS_ST_CR_SRVR_HELLO: |
1035 | return tls_process_server_hello(s, pkt); |
1036 | |
1037 | case DTLS_ST_CR_HELLO_VERIFY_REQUEST: |
1038 | return dtls_process_hello_verify(s, pkt); |
1039 | |
1040 | case TLS_ST_CR_CERT: |
1041 | return tls_process_server_certificate(s, pkt); |
1042 | |
1043 | case TLS_ST_CR_CERT_VRFY: |
1044 | return tls_process_cert_verify(s, pkt); |
1045 | |
1046 | case TLS_ST_CR_CERT_STATUS: |
1047 | return tls_process_cert_status(s, pkt); |
1048 | |
1049 | case TLS_ST_CR_KEY_EXCH: |
1050 | return tls_process_key_exchange(s, pkt); |
1051 | |
1052 | case TLS_ST_CR_CERT_REQ: |
1053 | return tls_process_certificate_request(s, pkt); |
1054 | |
1055 | case TLS_ST_CR_SRVR_DONE: |
1056 | return tls_process_server_done(s, pkt); |
1057 | |
1058 | case TLS_ST_CR_CHANGE: |
1059 | return tls_process_change_cipher_spec(s, pkt); |
1060 | |
1061 | case TLS_ST_CR_SESSION_TICKET: |
1062 | return tls_process_new_session_ticket(s, pkt); |
1063 | |
1064 | case TLS_ST_CR_FINISHED: |
1065 | return tls_process_finished(s, pkt); |
1066 | |
1067 | case TLS_ST_CR_HELLO_REQ: |
1068 | return tls_process_hello_req(s, pkt); |
1069 | |
1070 | case TLS_ST_CR_ENCRYPTED_EXTENSIONS: |
1071 | return tls_process_encrypted_extensions(s, pkt); |
1072 | |
1073 | case TLS_ST_CR_KEY_UPDATE: |
1074 | return tls_process_key_update(s, pkt); |
1075 | } |
1076 | } |
1077 | |
1078 | /* |
1079 | * Perform any further processing required following the receipt of a message |
1080 | * from the server |
1081 | */ |
1082 | WORK_STATE ossl_statem_client_post_process_message(SSL *s, WORK_STATE wst) |
1083 | { |
1084 | OSSL_STATEM *st = &s->statem; |
1085 | |
1086 | switch (st->hand_state) { |
1087 | default: |
1088 | /* Shouldn't happen */ |
1089 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1089, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1090 | return WORK_ERROR; |
1091 | |
1092 | case TLS_ST_CR_CERT: |
1093 | return tls_post_process_server_certificate(s, wst); |
1094 | |
1095 | case TLS_ST_CR_CERT_VRFY: |
1096 | case TLS_ST_CR_CERT_REQ: |
1097 | return tls_prepare_client_certificate(s, wst); |
1098 | } |
1099 | } |
1100 | |
1101 | int tls_construct_client_hello(SSL *s, WPACKET *pkt) |
1102 | { |
1103 | unsigned char *p; |
1104 | size_t sess_id_len; |
1105 | int i, protverr; |
1106 | #ifndef OPENSSL_NO_COMP |
1107 | SSL_COMP *comp; |
1108 | #endif |
1109 | SSL_SESSION *sess = s->session; |
1110 | unsigned char *session_id; |
1111 | |
1112 | /* Work out what SSL/TLS/DTLS version to use */ |
1113 | protverr = ssl_set_client_hello_version(s); |
1114 | if (protverr != 0) { |
1115 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, protverr)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1115, __func__), ossl_statem_fatal)((s), (80), (protverr), ( (void*)0)); |
1116 | return 0; |
1117 | } |
1118 | |
1119 | if (sess == NULL((void*)0) |
1120 | || !ssl_version_supported(s, sess->ssl_version, NULL((void*)0)) |
1121 | || !SSL_SESSION_is_resumable(sess)) { |
1122 | if (s->hello_retry_request == SSL_HRR_NONE |
1123 | && !ssl_get_new_session(s, 0)) { |
1124 | /* SSLfatal() already called */ |
1125 | return 0; |
1126 | } |
1127 | } |
1128 | /* else use the pre-loaded session */ |
1129 | |
1130 | p = s->s3.client_random; |
1131 | |
1132 | /* |
1133 | * for DTLS if client_random is initialized, reuse it, we are |
1134 | * required to use same upon reply to HelloVerify |
1135 | */ |
1136 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
1137 | size_t idx; |
1138 | i = 1; |
1139 | for (idx = 0; idx < sizeof(s->s3.client_random); idx++) { |
1140 | if (p[idx]) { |
1141 | i = 0; |
1142 | break; |
1143 | } |
1144 | } |
1145 | } else { |
1146 | i = (s->hello_retry_request == SSL_HRR_NONE); |
1147 | } |
1148 | |
1149 | if (i && ssl_fill_hello_random(s, 0, p, sizeof(s->s3.client_random), |
1150 | DOWNGRADE_NONE) <= 0) { |
1151 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1151, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1152 | return 0; |
1153 | } |
1154 | |
1155 | /*- |
1156 | * version indicates the negotiated version: for example from |
1157 | * an SSLv2/v3 compatible client hello). The client_version |
1158 | * field is the maximum version we permit and it is also |
1159 | * used in RSA encrypted premaster secrets. Some servers can |
1160 | * choke if we initially report a higher version then |
1161 | * renegotiate to a lower one in the premaster secret. This |
1162 | * didn't happen with TLS 1.0 as most servers supported it |
1163 | * but it can with TLS 1.1 or later if the server only supports |
1164 | * 1.0. |
1165 | * |
1166 | * Possible scenario with previous logic: |
1167 | * 1. Client hello indicates TLS 1.2 |
1168 | * 2. Server hello says TLS 1.0 |
1169 | * 3. RSA encrypted premaster secret uses 1.2. |
1170 | * 4. Handshake proceeds using TLS 1.0. |
1171 | * 5. Server sends hello request to renegotiate. |
1172 | * 6. Client hello indicates TLS v1.0 as we now |
1173 | * know that is maximum server supports. |
1174 | * 7. Server chokes on RSA encrypted premaster secret |
1175 | * containing version 1.0. |
1176 | * |
1177 | * For interoperability it should be OK to always use the |
1178 | * maximum version we support in client hello and then rely |
1179 | * on the checking of version to ensure the servers isn't |
1180 | * being inconsistent: for example initially negotiating with |
1181 | * TLS 1.0 and renegotiating with TLS 1.2. We do this by using |
1182 | * client_version in client hello and not resetting it to |
1183 | * the negotiated version. |
1184 | * |
1185 | * For TLS 1.3 we always set the ClientHello version to 1.2 and rely on the |
1186 | * supported_versions extension for the real supported versions. |
1187 | */ |
1188 | if (!WPACKET_put_bytes_u16(pkt, s->client_version)WPACKET_put_bytes__((pkt), (s->client_version), 2) |
1189 | || !WPACKET_memcpy(pkt, s->s3.client_random, SSL3_RANDOM_SIZE32)) { |
1190 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1190, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1191 | return 0; |
1192 | } |
1193 | |
1194 | /* Session ID */ |
1195 | session_id = s->session->session_id; |
1196 | if (s->new_session || s->session->ssl_version == TLS1_3_VERSION0x0304) { |
1197 | if (s->version == TLS1_3_VERSION0x0304 |
1198 | && (s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT((uint64_t)1 << (uint64_t)20)) != 0) { |
1199 | sess_id_len = sizeof(s->tmp_session_id); |
1200 | s->tmp_session_id_len = sess_id_len; |
1201 | session_id = s->tmp_session_id; |
1202 | if (s->hello_retry_request == SSL_HRR_NONE |
1203 | && RAND_bytes_ex(s->ctx->libctx, s->tmp_session_id, |
1204 | sess_id_len, 0) <= 0) { |
1205 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1205, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1206 | return 0; |
1207 | } |
1208 | } else { |
1209 | sess_id_len = 0; |
1210 | } |
1211 | } else { |
1212 | assert(s->session->session_id_length <= sizeof(s->session->session_id))((void) (0)); |
1213 | sess_id_len = s->session->session_id_length; |
1214 | if (s->version == TLS1_3_VERSION0x0304) { |
1215 | s->tmp_session_id_len = sess_id_len; |
1216 | memcpy(s->tmp_session_id, s->session->session_id, sess_id_len); |
1217 | } |
1218 | } |
1219 | if (!WPACKET_start_sub_packet_u8(pkt)WPACKET_start_sub_packet_len__((pkt), 1) |
1220 | || (sess_id_len != 0 && !WPACKET_memcpy(pkt, session_id, |
1221 | sess_id_len)) |
1222 | || !WPACKET_close(pkt)) { |
1223 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1223, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1224 | return 0; |
1225 | } |
1226 | |
1227 | /* cookie stuff for DTLS */ |
1228 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
1229 | if (s->d1->cookie_len > sizeof(s->d1->cookie) |
1230 | || !WPACKET_sub_memcpy_u8(pkt, s->d1->cookie,WPACKET_sub_memcpy__((pkt), (s->d1->cookie), (s->d1-> cookie_len), 1) |
1231 | s->d1->cookie_len)WPACKET_sub_memcpy__((pkt), (s->d1->cookie), (s->d1-> cookie_len), 1)) { |
1232 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1232, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1233 | return 0; |
1234 | } |
1235 | } |
1236 | |
1237 | /* Ciphers supported */ |
1238 | if (!WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)) { |
1239 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1239, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1240 | return 0; |
1241 | } |
1242 | |
1243 | if (!ssl_cipher_list_to_bytes(s, SSL_get_ciphers(s), pkt)) { |
1244 | /* SSLfatal() already called */ |
1245 | return 0; |
1246 | } |
1247 | if (!WPACKET_close(pkt)) { |
1248 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1248, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1249 | return 0; |
1250 | } |
1251 | |
1252 | /* COMPRESSION */ |
1253 | if (!WPACKET_start_sub_packet_u8(pkt)WPACKET_start_sub_packet_len__((pkt), 1)) { |
1254 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1254, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1255 | return 0; |
1256 | } |
1257 | #ifndef OPENSSL_NO_COMP |
1258 | if (ssl_allow_compression(s) |
1259 | && s->ctx->comp_methods |
1260 | && (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) || s->s3.tmp.max_ver < TLS1_3_VERSION0x0304)) { |
1261 | int compnum = sk_SSL_COMP_num(s->ctx->comp_methods)OPENSSL_sk_num(ossl_check_const_SSL_COMP_sk_type(s->ctx-> comp_methods)); |
1262 | for (i = 0; i < compnum; i++) { |
1263 | comp = sk_SSL_COMP_value(s->ctx->comp_methods, i)((SSL_COMP *)OPENSSL_sk_value(ossl_check_const_SSL_COMP_sk_type (s->ctx->comp_methods), (i))); |
1264 | if (!WPACKET_put_bytes_u8(pkt, comp->id)WPACKET_put_bytes__((pkt), (comp->id), 1)) { |
1265 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1265, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1266 | return 0; |
1267 | } |
1268 | } |
1269 | } |
1270 | #endif |
1271 | /* Add the NULL method */ |
1272 | if (!WPACKET_put_bytes_u8(pkt, 0)WPACKET_put_bytes__((pkt), (0), 1) || !WPACKET_close(pkt)) { |
1273 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1273, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1274 | return 0; |
1275 | } |
1276 | |
1277 | /* TLS extensions */ |
1278 | if (!tls_construct_extensions(s, pkt, SSL_EXT_CLIENT_HELLO0x0080, NULL((void*)0), 0)) { |
1279 | /* SSLfatal() already called */ |
1280 | return 0; |
1281 | } |
1282 | |
1283 | return 1; |
1284 | } |
1285 | |
1286 | MSG_PROCESS_RETURN dtls_process_hello_verify(SSL *s, PACKET *pkt) |
1287 | { |
1288 | size_t cookie_len; |
1289 | PACKET cookiepkt; |
1290 | |
1291 | if (!PACKET_forward(pkt, 2) |
1292 | || !PACKET_get_length_prefixed_1(pkt, &cookiepkt)) { |
1293 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1293, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1294 | return MSG_PROCESS_ERROR; |
1295 | } |
1296 | |
1297 | cookie_len = PACKET_remaining(&cookiepkt); |
1298 | if (cookie_len > sizeof(s->d1->cookie)) { |
1299 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_LENGTH_TOO_LONG)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1299, __func__), ossl_statem_fatal)((s), (47), (404), ((void *)0)); |
1300 | return MSG_PROCESS_ERROR; |
1301 | } |
1302 | |
1303 | if (!PACKET_copy_bytes(&cookiepkt, s->d1->cookie, cookie_len)) { |
1304 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1304, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1305 | return MSG_PROCESS_ERROR; |
1306 | } |
1307 | s->d1->cookie_len = cookie_len; |
1308 | |
1309 | return MSG_PROCESS_FINISHED_READING; |
1310 | } |
1311 | |
1312 | static int set_client_ciphersuite(SSL *s, const unsigned char *cipherchars) |
1313 | { |
1314 | STACK_OF(SSL_CIPHER)struct stack_st_SSL_CIPHER *sk; |
1315 | const SSL_CIPHER *c; |
1316 | int i; |
1317 | |
1318 | c = ssl_get_cipher_by_char(s, cipherchars, 0); |
1319 | if (c == NULL((void*)0)) { |
1320 | /* unknown cipher */ |
1321 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_CIPHER_RETURNED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1321, __func__), ossl_statem_fatal)((s), (47), (248), ((void *)0)); |
1322 | return 0; |
1323 | } |
1324 | /* |
1325 | * If it is a disabled cipher we either didn't send it in client hello, |
1326 | * or it's not allowed for the selected protocol. So we return an error. |
1327 | */ |
1328 | if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_CHECK(3 | (1 << 16)), 1)) { |
1329 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1329, __func__), ossl_statem_fatal)((s), (47), (261), ((void *)0)); |
1330 | return 0; |
1331 | } |
1332 | |
1333 | sk = ssl_get_ciphers_by_id(s); |
1334 | i = sk_SSL_CIPHER_find(sk, c)OPENSSL_sk_find(ossl_check_SSL_CIPHER_sk_type(sk), ossl_check_SSL_CIPHER_type (c)); |
1335 | if (i < 0) { |
1336 | /* we did not say we would use this cipher */ |
1337 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1337, __func__), ossl_statem_fatal)((s), (47), (261), ((void *)0)); |
1338 | return 0; |
1339 | } |
1340 | |
1341 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) && s->s3.tmp.new_cipher != NULL((void*)0) |
1342 | && s->s3.tmp.new_cipher->id != c->id) { |
1343 | /* ServerHello selected a different ciphersuite to that in the HRR */ |
1344 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1344, __func__), ossl_statem_fatal)((s), (47), (261), ((void *)0)); |
1345 | return 0; |
1346 | } |
1347 | |
1348 | /* |
1349 | * Depending on the session caching (internal/external), the cipher |
1350 | * and/or cipher_id values may not be set. Make sure that cipher_id is |
1351 | * set and use it for comparison. |
1352 | */ |
1353 | if (s->session->cipher != NULL((void*)0)) |
1354 | s->session->cipher_id = s->session->cipher->id; |
1355 | if (s->hit && (s->session->cipher_id != c->id)) { |
1356 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
1357 | /* |
1358 | * In TLSv1.3 it is valid for the server to select a different |
1359 | * ciphersuite as long as the hash is the same. |
1360 | */ |
1361 | if (ssl_md(s->ctx, c->algorithm2) |
1362 | != ssl_md(s->ctx, s->session->cipher->algorithm2)) { |
1363 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1364, __func__), ossl_statem_fatal)((s), (47), (218), ((void *)0)) |
1364 | SSL_R_CIPHERSUITE_DIGEST_HAS_CHANGED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1364, __func__), ossl_statem_fatal)((s), (47), (218), ((void *)0)); |
1365 | return 0; |
1366 | } |
1367 | } else { |
1368 | /* |
1369 | * Prior to TLSv1.3 resuming a session always meant using the same |
1370 | * ciphersuite. |
1371 | */ |
1372 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1373, __func__), ossl_statem_fatal)((s), (47), (197), ((void *)0)) |
1373 | SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1373, __func__), ossl_statem_fatal)((s), (47), (197), ((void *)0)); |
1374 | return 0; |
1375 | } |
1376 | } |
1377 | s->s3.tmp.new_cipher = c; |
1378 | |
1379 | return 1; |
1380 | } |
1381 | |
1382 | MSG_PROCESS_RETURN tls_process_server_hello(SSL *s, PACKET *pkt) |
1383 | { |
1384 | PACKET session_id, extpkt; |
1385 | size_t session_id_len; |
1386 | const unsigned char *cipherchars; |
1387 | int hrr = 0; |
1388 | unsigned int compression; |
1389 | unsigned int sversion; |
1390 | unsigned int context; |
1391 | RAW_EXTENSION *extensions = NULL((void*)0); |
1392 | #ifndef OPENSSL_NO_COMP |
1393 | SSL_COMP *comp; |
1394 | #endif |
1395 | |
1396 | if (!PACKET_get_net_2(pkt, &sversion)) { |
1397 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1397, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1398 | goto err; |
1399 | } |
1400 | |
1401 | /* load the server random */ |
1402 | if (s->version == TLS1_3_VERSION0x0304 |
1403 | && sversion == TLS1_2_VERSION0x0303 |
1404 | && PACKET_remaining(pkt) >= SSL3_RANDOM_SIZE32 |
1405 | && memcmp(hrrrandom, PACKET_data(pkt), SSL3_RANDOM_SIZE32) == 0) { |
1406 | if (s->hello_retry_request != SSL_HRR_NONE) { |
1407 | SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1407, __func__), ossl_statem_fatal)((s), (10), (244), ((void *)0)); |
1408 | goto err; |
1409 | } |
1410 | s->hello_retry_request = SSL_HRR_PENDING; |
1411 | hrr = 1; |
1412 | if (!PACKET_forward(pkt, SSL3_RANDOM_SIZE32)) { |
1413 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1413, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1414 | goto err; |
1415 | } |
1416 | } else { |
1417 | if (!PACKET_copy_bytes(pkt, s->s3.server_random, SSL3_RANDOM_SIZE32)) { |
1418 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1418, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1419 | goto err; |
1420 | } |
1421 | } |
1422 | |
1423 | /* Get the session-id. */ |
1424 | if (!PACKET_get_length_prefixed_1(pkt, &session_id)) { |
1425 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1425, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1426 | goto err; |
1427 | } |
1428 | session_id_len = PACKET_remaining(&session_id); |
1429 | if (session_id_len > sizeof(s->session->session_id) |
1430 | || session_id_len > SSL3_SESSION_ID_SIZE32) { |
1431 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_SSL3_SESSION_ID_TOO_LONG)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1431, __func__), ossl_statem_fatal)((s), (47), (300), ((void *)0)); |
1432 | goto err; |
1433 | } |
1434 | |
1435 | if (!PACKET_get_bytes(pkt, &cipherchars, TLS_CIPHER_LEN2)) { |
1436 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1436, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1437 | goto err; |
1438 | } |
1439 | |
1440 | if (!PACKET_get_1(pkt, &compression)) { |
1441 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1441, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1442 | goto err; |
1443 | } |
1444 | |
1445 | /* TLS extensions */ |
1446 | if (PACKET_remaining(pkt) == 0 && !hrr) { |
1447 | PACKET_null_init(&extpkt); |
1448 | } else if (!PACKET_as_length_prefixed_2(pkt, &extpkt) |
1449 | || PACKET_remaining(pkt) != 0) { |
1450 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1450, __func__), ossl_statem_fatal)((s), (50), (271), ((void *)0)); |
1451 | goto err; |
1452 | } |
1453 | |
1454 | if (!hrr) { |
1455 | if (!tls_collect_extensions(s, &extpkt, |
1456 | SSL_EXT_TLS1_2_SERVER_HELLO0x0100 |
1457 | | SSL_EXT_TLS1_3_SERVER_HELLO0x0200, |
1458 | &extensions, NULL((void*)0), 1)) { |
1459 | /* SSLfatal() already called */ |
1460 | goto err; |
1461 | } |
1462 | |
1463 | if (!ssl_choose_client_version(s, sversion, extensions)) { |
1464 | /* SSLfatal() already called */ |
1465 | goto err; |
1466 | } |
1467 | } |
1468 | |
1469 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) || hrr) { |
1470 | if (compression != 0) { |
1471 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1472, __func__), ossl_statem_fatal)((s), (47), (341), ((void *)0)) |
1472 | SSL_R_INVALID_COMPRESSION_ALGORITHM)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1472, __func__), ossl_statem_fatal)((s), (47), (341), ((void *)0)); |
1473 | goto err; |
1474 | } |
1475 | |
1476 | if (session_id_len != s->tmp_session_id_len |
1477 | || memcmp(PACKET_data(&session_id), s->tmp_session_id, |
1478 | session_id_len) != 0) { |
1479 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_INVALID_SESSION_ID)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1479, __func__), ossl_statem_fatal)((s), (47), (999), ((void *)0)); |
1480 | goto err; |
1481 | } |
1482 | } |
1483 | |
1484 | if (hrr) { |
1485 | if (!set_client_ciphersuite(s, cipherchars)) { |
1486 | /* SSLfatal() already called */ |
1487 | goto err; |
1488 | } |
1489 | |
1490 | return tls_process_as_hello_retry_request(s, &extpkt); |
1491 | } |
1492 | |
1493 | /* |
1494 | * Now we have chosen the version we need to check again that the extensions |
1495 | * are appropriate for this version. |
1496 | */ |
1497 | context = SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) ? SSL_EXT_TLS1_3_SERVER_HELLO0x0200 |
1498 | : SSL_EXT_TLS1_2_SERVER_HELLO0x0100; |
1499 | if (!tls_validate_all_contexts(s, context, extensions)) { |
1500 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1500, __func__), ossl_statem_fatal)((s), (47), (110), ((void *)0)); |
1501 | goto err; |
1502 | } |
1503 | |
1504 | s->hit = 0; |
1505 | |
1506 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
1507 | /* |
1508 | * In TLSv1.3 a ServerHello message signals a key change so the end of |
1509 | * the message must be on a record boundary. |
1510 | */ |
1511 | if (RECORD_LAYER_processed_read_pending(&s->rlayer)) { |
1512 | SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1513, __func__), ossl_statem_fatal)((s), (10), (182), ((void *)0)) |
1513 | SSL_R_NOT_ON_RECORD_BOUNDARY)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1513, __func__), ossl_statem_fatal)((s), (10), (182), ((void *)0)); |
1514 | goto err; |
1515 | } |
1516 | |
1517 | /* This will set s->hit if we are resuming */ |
1518 | if (!tls_parse_extension(s, TLSEXT_IDX_psk, |
1519 | SSL_EXT_TLS1_3_SERVER_HELLO0x0200, |
1520 | extensions, NULL((void*)0), 0)) { |
1521 | /* SSLfatal() already called */ |
1522 | goto err; |
1523 | } |
1524 | } else { |
1525 | /* |
1526 | * Check if we can resume the session based on external pre-shared |
1527 | * secret. EAP-FAST (RFC 4851) supports two types of session resumption. |
1528 | * Resumption based on server-side state works with session IDs. |
1529 | * Resumption based on pre-shared Protected Access Credentials (PACs) |
1530 | * works by overriding the SessionTicket extension at the application |
1531 | * layer, and does not send a session ID. (We do not know whether |
1532 | * EAP-FAST servers would honour the session ID.) Therefore, the session |
1533 | * ID alone is not a reliable indicator of session resumption, so we |
1534 | * first check if we can resume, and later peek at the next handshake |
1535 | * message to see if the server wants to resume. |
1536 | */ |
1537 | if (s->version >= TLS1_VERSION0x0301 |
1538 | && s->ext.session_secret_cb != NULL((void*)0) && s->session->ext.tick) { |
1539 | const SSL_CIPHER *pref_cipher = NULL((void*)0); |
1540 | /* |
1541 | * s->session->master_key_length is a size_t, but this is an int for |
1542 | * backwards compat reasons |
1543 | */ |
1544 | int master_key_length; |
1545 | master_key_length = sizeof(s->session->master_key); |
1546 | if (s->ext.session_secret_cb(s, s->session->master_key, |
1547 | &master_key_length, |
1548 | NULL((void*)0), &pref_cipher, |
1549 | s->ext.session_secret_cb_arg) |
1550 | && master_key_length > 0) { |
1551 | s->session->master_key_length = master_key_length; |
1552 | s->session->cipher = pref_cipher ? |
1553 | pref_cipher : ssl_get_cipher_by_char(s, cipherchars, 0); |
1554 | } else { |
1555 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1555, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1556 | goto err; |
1557 | } |
1558 | } |
1559 | |
1560 | if (session_id_len != 0 |
1561 | && session_id_len == s->session->session_id_length |
1562 | && memcmp(PACKET_data(&session_id), s->session->session_id, |
1563 | session_id_len) == 0) |
1564 | s->hit = 1; |
1565 | } |
1566 | |
1567 | if (s->hit) { |
1568 | if (s->sid_ctx_length != s->session->sid_ctx_length |
1569 | || memcmp(s->session->sid_ctx, s->sid_ctx, s->sid_ctx_length)) { |
1570 | /* actually a client application bug */ |
1571 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1572, __func__), ossl_statem_fatal)((s), (47), (272), ((void *)0)) |
1572 | SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1572, __func__), ossl_statem_fatal)((s), (47), (272), ((void *)0)); |
1573 | goto err; |
1574 | } |
1575 | } else { |
1576 | /* |
1577 | * If we were trying for session-id reuse but the server |
1578 | * didn't resume, make a new SSL_SESSION. |
1579 | * In the case of EAP-FAST and PAC, we do not send a session ID, |
1580 | * so the PAC-based session secret is always preserved. It'll be |
1581 | * overwritten if the server refuses resumption. |
1582 | */ |
1583 | if (s->session->session_id_length > 0) { |
1584 | ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_miss); |
1585 | if (!ssl_get_new_session(s, 0)) { |
1586 | /* SSLfatal() already called */ |
1587 | goto err; |
1588 | } |
1589 | } |
1590 | |
1591 | s->session->ssl_version = s->version; |
1592 | /* |
1593 | * In TLSv1.2 and below we save the session id we were sent so we can |
1594 | * resume it later. In TLSv1.3 the session id we were sent is just an |
1595 | * echo of what we originally sent in the ClientHello and should not be |
1596 | * used for resumption. |
1597 | */ |
1598 | if (!SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
1599 | s->session->session_id_length = session_id_len; |
1600 | /* session_id_len could be 0 */ |
1601 | if (session_id_len > 0) |
1602 | memcpy(s->session->session_id, PACKET_data(&session_id), |
1603 | session_id_len); |
1604 | } |
1605 | } |
1606 | |
1607 | /* Session version and negotiated protocol version should match */ |
1608 | if (s->version != s->session->ssl_version) { |
1609 | SSLfatal(s, SSL_AD_PROTOCOL_VERSION,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1610, __func__), ossl_statem_fatal)((s), (70), (210), ((void *)0)) |
1610 | SSL_R_SSL_SESSION_VERSION_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1610, __func__), ossl_statem_fatal)((s), (70), (210), ((void *)0)); |
1611 | goto err; |
1612 | } |
1613 | /* |
1614 | * Now that we know the version, update the check to see if it's an allowed |
1615 | * version. |
1616 | */ |
1617 | s->s3.tmp.min_ver = s->version; |
1618 | s->s3.tmp.max_ver = s->version; |
1619 | |
1620 | if (!set_client_ciphersuite(s, cipherchars)) { |
1621 | /* SSLfatal() already called */ |
1622 | goto err; |
1623 | } |
1624 | |
1625 | #ifdef OPENSSL_NO_COMP |
1626 | if (compression != 0) { |
1627 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1628, __func__), ossl_statem_fatal)((s), (47), (257), ((void *)0)) |
1628 | SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1628, __func__), ossl_statem_fatal)((s), (47), (257), ((void *)0)); |
1629 | goto err; |
1630 | } |
1631 | /* |
1632 | * If compression is disabled we'd better not try to resume a session |
1633 | * using compression. |
1634 | */ |
1635 | if (s->session->compress_meth != 0) { |
1636 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_INCONSISTENT_COMPRESSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1636, __func__), ossl_statem_fatal)((s), (40), (340), ((void *)0)); |
1637 | goto err; |
1638 | } |
1639 | #else |
1640 | if (s->hit && compression != s->session->compress_meth) { |
1641 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1642, __func__), ossl_statem_fatal)((s), (47), (344), ((void *)0)) |
1642 | SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1642, __func__), ossl_statem_fatal)((s), (47), (344), ((void *)0)); |
1643 | goto err; |
1644 | } |
1645 | if (compression == 0) |
1646 | comp = NULL((void*)0); |
1647 | else if (!ssl_allow_compression(s)) { |
1648 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_COMPRESSION_DISABLED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1648, __func__), ossl_statem_fatal)((s), (47), (343), ((void *)0)); |
1649 | goto err; |
1650 | } else { |
1651 | comp = ssl3_comp_find(s->ctx->comp_methods, compression); |
1652 | } |
1653 | |
1654 | if (compression != 0 && comp == NULL((void*)0)) { |
1655 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1656, __func__), ossl_statem_fatal)((s), (47), (257), ((void *)0)) |
1656 | SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1656, __func__), ossl_statem_fatal)((s), (47), (257), ((void *)0)); |
1657 | goto err; |
1658 | } else { |
1659 | s->s3.tmp.new_compression = comp; |
1660 | } |
1661 | #endif |
1662 | |
1663 | if (!tls_parse_all_extensions(s, context, extensions, NULL((void*)0), 0, 1)) { |
1664 | /* SSLfatal() already called */ |
1665 | goto err; |
1666 | } |
1667 | |
1668 | #ifndef OPENSSL_NO_SCTP |
1669 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) && s->hit) { |
1670 | unsigned char sctpauthkey[64]; |
1671 | char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)]; |
1672 | size_t labellen; |
1673 | |
1674 | /* |
1675 | * Add new shared key for SCTP-Auth, will be ignored if |
1676 | * no SCTP used. |
1677 | */ |
1678 | memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL, |
1679 | sizeof(DTLS1_SCTP_AUTH_LABEL)); |
1680 | |
1681 | /* Don't include the terminating zero. */ |
1682 | labellen = sizeof(labelbuffer) - 1; |
1683 | if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG0x00000400U) |
1684 | labellen += 1; |
1685 | |
1686 | if (SSL_export_keying_material(s, sctpauthkey, |
1687 | sizeof(sctpauthkey), |
1688 | labelbuffer, |
1689 | labellen, NULL((void*)0), 0, 0) <= 0) { |
1690 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1690, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1691 | goto err; |
1692 | } |
1693 | |
1694 | BIO_ctrl(SSL_get_wbio(s), |
1695 | BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY, |
1696 | sizeof(sctpauthkey), sctpauthkey); |
1697 | } |
1698 | #endif |
1699 | |
1700 | /* |
1701 | * In TLSv1.3 we have some post-processing to change cipher state, otherwise |
1702 | * we're done with this message |
1703 | */ |
1704 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) |
1705 | && (!s->method->ssl3_enc->setup_key_block(s) |
1706 | || !s->method->ssl3_enc->change_cipher_state(s, |
1707 | SSL3_CC_HANDSHAKE0x080 | SSL3_CHANGE_CIPHER_CLIENT_READ(0x010|0x001)))) { |
1708 | /* SSLfatal() already called */ |
1709 | goto err; |
1710 | } |
1711 | |
1712 | OPENSSL_free(extensions)CRYPTO_free(extensions, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1712); |
1713 | return MSG_PROCESS_CONTINUE_READING; |
1714 | err: |
1715 | OPENSSL_free(extensions)CRYPTO_free(extensions, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1715); |
1716 | return MSG_PROCESS_ERROR; |
1717 | } |
1718 | |
1719 | static MSG_PROCESS_RETURN tls_process_as_hello_retry_request(SSL *s, |
1720 | PACKET *extpkt) |
1721 | { |
1722 | RAW_EXTENSION *extensions = NULL((void*)0); |
1723 | |
1724 | /* |
1725 | * If we were sending early_data then the enc_write_ctx is now invalid and |
1726 | * should not be used. |
1727 | */ |
1728 | EVP_CIPHER_CTX_free(s->enc_write_ctx); |
1729 | s->enc_write_ctx = NULL((void*)0); |
1730 | |
1731 | if (!tls_collect_extensions(s, extpkt, SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST0x0800, |
1732 | &extensions, NULL((void*)0), 1) |
1733 | || !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST0x0800, |
1734 | extensions, NULL((void*)0), 0, 1)) { |
1735 | /* SSLfatal() already called */ |
1736 | goto err; |
1737 | } |
1738 | |
1739 | OPENSSL_free(extensions)CRYPTO_free(extensions, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1739); |
1740 | extensions = NULL((void*)0); |
1741 | |
1742 | if (s->ext.tls13_cookie_len == 0 && s->s3.tmp.pkey != NULL((void*)0)) { |
1743 | /* |
1744 | * We didn't receive a cookie or a new key_share so the next |
1745 | * ClientHello will not change |
1746 | */ |
1747 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CHANGE_FOLLOWING_HRR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1747, __func__), ossl_statem_fatal)((s), (47), (214), ((void *)0)); |
1748 | goto err; |
1749 | } |
1750 | |
1751 | /* |
1752 | * Re-initialise the Transcript Hash. We're going to prepopulate it with |
1753 | * a synthetic message_hash in place of ClientHello1. |
1754 | */ |
1755 | if (!create_synthetic_message_hash(s, NULL((void*)0), 0, NULL((void*)0), 0)) { |
1756 | /* SSLfatal() already called */ |
1757 | goto err; |
1758 | } |
1759 | |
1760 | /* |
1761 | * Add this message to the Transcript Hash. Normally this is done |
1762 | * automatically prior to the message processing stage. However due to the |
1763 | * need to create the synthetic message hash, we defer that step until now |
1764 | * for HRR messages. |
1765 | */ |
1766 | if (!ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, |
1767 | s->init_num + SSL3_HM_HEADER_LENGTH4)) { |
1768 | /* SSLfatal() already called */ |
1769 | goto err; |
1770 | } |
1771 | |
1772 | return MSG_PROCESS_FINISHED_READING; |
1773 | err: |
1774 | OPENSSL_free(extensions)CRYPTO_free(extensions, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1774); |
1775 | return MSG_PROCESS_ERROR; |
1776 | } |
1777 | |
1778 | /* prepare server cert verification by setting s->session->peer_chain from pkt */ |
1779 | MSG_PROCESS_RETURN tls_process_server_certificate(SSL *s, PACKET *pkt) |
1780 | { |
1781 | unsigned long cert_list_len, cert_len; |
1782 | X509 *x = NULL((void*)0); |
1783 | const unsigned char *certstart, *certbytes; |
1784 | size_t chainidx; |
1785 | unsigned int context = 0; |
1786 | |
1787 | if ((s->session->peer_chain = sk_X509_new_null()((struct stack_st_X509 *)OPENSSL_sk_new_null())) == NULL((void*)0)) { |
1788 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1788, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1789 | goto err; |
1790 | } |
1791 | |
1792 | if ((SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) && !PACKET_get_1(pkt, &context)) |
1793 | || context != 0 |
1794 | || !PACKET_get_net_3(pkt, &cert_list_len) |
1795 | || PACKET_remaining(pkt) != cert_list_len |
1796 | || PACKET_remaining(pkt) == 0) { |
1797 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1797, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1798 | goto err; |
1799 | } |
1800 | for (chainidx = 0; PACKET_remaining(pkt); chainidx++) { |
1801 | if (!PACKET_get_net_3(pkt, &cert_len) |
1802 | || !PACKET_get_bytes(pkt, &certbytes, cert_len)) { |
1803 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1803, __func__), ossl_statem_fatal)((s), (50), (135), ((void *)0)); |
1804 | goto err; |
1805 | } |
1806 | |
1807 | certstart = certbytes; |
1808 | x = X509_new_ex(s->ctx->libctx, s->ctx->propq); |
1809 | if (x == NULL((void*)0)) { |
1810 | SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1810, __func__), ossl_statem_fatal)((s), (50), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1811 | ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" ,1811,__func__), ERR_set_error)((20),((256|((0x1 << 18L )|(0x2 << 18L)))),((void*)0)); |
1812 | goto err; |
1813 | } |
1814 | if (d2i_X509(&x, (const unsigned char **)&certbytes, |
1815 | cert_len) == NULL((void*)0)) { |
1816 | SSLfatal(s, SSL_AD_BAD_CERTIFICATE, ERR_R_ASN1_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1816, __func__), ossl_statem_fatal)((s), (42), ((13 | (0x2 << 18L))), ((void*)0)); |
1817 | goto err; |
1818 | } |
1819 | |
1820 | if (certbytes != (certstart + cert_len)) { |
1821 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1821, __func__), ossl_statem_fatal)((s), (50), (135), ((void *)0)); |
1822 | goto err; |
1823 | } |
1824 | |
1825 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
1826 | RAW_EXTENSION *rawexts = NULL((void*)0); |
1827 | PACKET extensions; |
1828 | |
1829 | if (!PACKET_get_length_prefixed_2(pkt, &extensions)) { |
1830 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1830, __func__), ossl_statem_fatal)((s), (50), (271), ((void *)0)); |
1831 | goto err; |
1832 | } |
1833 | if (!tls_collect_extensions(s, &extensions, |
1834 | SSL_EXT_TLS1_3_CERTIFICATE0x1000, &rawexts, |
1835 | NULL((void*)0), chainidx == 0) |
1836 | || !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_CERTIFICATE0x1000, |
1837 | rawexts, x, chainidx, |
1838 | PACKET_remaining(pkt) == 0)) { |
1839 | OPENSSL_free(rawexts)CRYPTO_free(rawexts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1839); |
1840 | /* SSLfatal already called */ |
1841 | goto err; |
1842 | } |
1843 | OPENSSL_free(rawexts)CRYPTO_free(rawexts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1843); |
1844 | } |
1845 | |
1846 | if (!sk_X509_push(s->session->peer_chain, x)OPENSSL_sk_push(ossl_check_X509_sk_type(s->session->peer_chain ), ossl_check_X509_type(x))) { |
1847 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1847, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1848 | goto err; |
1849 | } |
1850 | x = NULL((void*)0); |
1851 | } |
1852 | return MSG_PROCESS_CONTINUE_PROCESSING; |
1853 | |
1854 | err: |
1855 | X509_free(x); |
1856 | sk_X509_pop_free(s->session->peer_chain, X509_free)OPENSSL_sk_pop_free(ossl_check_X509_sk_type(s->session-> peer_chain),ossl_check_X509_freefunc_type(X509_free)); |
1857 | s->session->peer_chain = NULL((void*)0); |
1858 | return MSG_PROCESS_ERROR; |
1859 | } |
1860 | |
1861 | /* |
1862 | * Verify the s->session->peer_chain and check server cert type. |
1863 | * On success set s->session->peer and s->session->verify_result. |
1864 | * Else the peer certificate verification callback may request retry. |
1865 | */ |
1866 | WORK_STATE tls_post_process_server_certificate(SSL *s, WORK_STATE wst) |
1867 | { |
1868 | X509 *x; |
1869 | EVP_PKEY *pkey = NULL((void*)0); |
1870 | const SSL_CERT_LOOKUP *clu; |
1871 | size_t certidx; |
1872 | int i; |
1873 | |
1874 | if (s->rwstate == SSL_RETRY_VERIFY8) |
1875 | s->rwstate = SSL_NOTHING1; |
1876 | i = ssl_verify_cert_chain(s, s->session->peer_chain); |
1877 | if (i > 0 && s->rwstate == SSL_RETRY_VERIFY8) { |
1878 | return WORK_MORE_A; |
1879 | } |
1880 | /* |
1881 | * The documented interface is that SSL_VERIFY_PEER should be set in order |
1882 | * for client side verification of the server certificate to take place. |
1883 | * However, historically the code has only checked that *any* flag is set |
1884 | * to cause server verification to take place. Use of the other flags makes |
1885 | * no sense in client mode. An attempt to clean up the semantics was |
1886 | * reverted because at least one application *only* set |
1887 | * SSL_VERIFY_FAIL_IF_NO_PEER_CERT. Prior to the clean up this still caused |
1888 | * server verification to take place, after the clean up it silently did |
1889 | * nothing. SSL_CTX_set_verify()/SSL_set_verify() cannot validate the flags |
1890 | * sent to them because they are void functions. Therefore, we now use the |
1891 | * (less clean) historic behaviour of performing validation if any flag is |
1892 | * set. The *documented* interface remains the same. |
1893 | */ |
1894 | if (s->verify_mode != SSL_VERIFY_NONE0x00 && i <= 0) { |
1895 | SSLfatal(s, ssl_x509err2alert(s->verify_result),(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1896, __func__), ossl_statem_fatal)((s), (ssl_x509err2alert (s->verify_result)), (134), ((void*)0)) |
1896 | SSL_R_CERTIFICATE_VERIFY_FAILED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1896, __func__), ossl_statem_fatal)((s), (ssl_x509err2alert (s->verify_result)), (134), ((void*)0)); |
1897 | return WORK_ERROR; |
1898 | } |
1899 | ERR_clear_error(); /* but we keep s->verify_result */ |
1900 | |
1901 | /* |
1902 | * Inconsistency alert: cert_chain does include the peer's certificate, |
1903 | * which we don't include in statem_srvr.c |
1904 | */ |
1905 | x = sk_X509_value(s->session->peer_chain, 0)((X509 *)OPENSSL_sk_value(ossl_check_const_X509_sk_type(s-> session->peer_chain), (0))); |
1906 | |
1907 | pkey = X509_get0_pubkey(x); |
1908 | |
1909 | if (pkey == NULL((void*)0) || EVP_PKEY_missing_parameters(pkey)) { |
1910 | SSLfatal(s, SSL_AD_INTERNAL_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1911, __func__), ossl_statem_fatal)((s), (80), (239), ((void *)0)) |
1911 | SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1911, __func__), ossl_statem_fatal)((s), (80), (239), ((void *)0)); |
1912 | return WORK_ERROR; |
1913 | } |
1914 | |
1915 | if ((clu = ssl_cert_lookup_by_pkey(pkey, &certidx)) == NULL((void*)0)) { |
1916 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_CERTIFICATE_TYPE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1916, __func__), ossl_statem_fatal)((s), (47), (247), ((void *)0)); |
1917 | return WORK_ERROR; |
1918 | } |
1919 | /* |
1920 | * Check certificate type is consistent with ciphersuite. For TLS 1.3 |
1921 | * skip check since TLS 1.3 ciphersuites can be used with any certificate |
1922 | * type. |
1923 | */ |
1924 | if (!SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
1925 | if ((clu->amask & s->s3.tmp.new_cipher->algorithm_auth) == 0) { |
1926 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CERTIFICATE_TYPE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1926, __func__), ossl_statem_fatal)((s), (47), (383), ((void *)0)); |
1927 | return WORK_ERROR; |
1928 | } |
1929 | } |
1930 | |
1931 | X509_free(s->session->peer); |
1932 | X509_up_ref(x); |
1933 | s->session->peer = x; |
1934 | s->session->verify_result = s->verify_result; |
1935 | |
1936 | /* Save the current hash state for when we receive the CertificateVerify */ |
1937 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) |
1938 | && !ssl_handshake_hash(s, s->cert_verify_hash, |
1939 | sizeof(s->cert_verify_hash), |
1940 | &s->cert_verify_hash_len)) { |
1941 | /* SSLfatal() already called */; |
1942 | return WORK_ERROR; |
1943 | } |
1944 | return WORK_FINISHED_CONTINUE; |
1945 | } |
1946 | |
1947 | static int tls_process_ske_psk_preamble(SSL *s, PACKET *pkt) |
1948 | { |
1949 | #ifndef OPENSSL_NO_PSK |
1950 | PACKET psk_identity_hint; |
1951 | |
1952 | /* PSK ciphersuites are preceded by an identity hint */ |
1953 | |
1954 | if (!PACKET_get_length_prefixed_2(pkt, &psk_identity_hint)) { |
1955 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1955, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1956 | return 0; |
1957 | } |
1958 | |
1959 | /* |
1960 | * Store PSK identity hint for later use, hint is used in |
1961 | * tls_construct_client_key_exchange. Assume that the maximum length of |
1962 | * a PSK identity hint can be as long as the maximum length of a PSK |
1963 | * identity. |
1964 | */ |
1965 | if (PACKET_remaining(&psk_identity_hint) > PSK_MAX_IDENTITY_LEN256) { |
1966 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_DATA_LENGTH_TOO_LONG)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1966, __func__), ossl_statem_fatal)((s), (40), (146), ((void *)0)); |
1967 | return 0; |
1968 | } |
1969 | |
1970 | if (PACKET_remaining(&psk_identity_hint) == 0) { |
1971 | OPENSSL_free(s->session->psk_identity_hint)CRYPTO_free(s->session->psk_identity_hint, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1971); |
1972 | s->session->psk_identity_hint = NULL((void*)0); |
1973 | } else if (!PACKET_strndup(&psk_identity_hint, |
1974 | &s->session->psk_identity_hint)) { |
1975 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1975, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1976 | return 0; |
1977 | } |
1978 | |
1979 | return 1; |
1980 | #else |
1981 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1981, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
1982 | return 0; |
1983 | #endif |
1984 | } |
1985 | |
1986 | static int tls_process_ske_srp(SSL *s, PACKET *pkt, EVP_PKEY **pkey) |
1987 | { |
1988 | #ifndef OPENSSL_NO_SRP |
1989 | PACKET prime, generator, salt, server_pub; |
1990 | |
1991 | if (!PACKET_get_length_prefixed_2(pkt, &prime) |
1992 | || !PACKET_get_length_prefixed_2(pkt, &generator) |
1993 | || !PACKET_get_length_prefixed_1(pkt, &salt) |
1994 | || !PACKET_get_length_prefixed_2(pkt, &server_pub)) { |
1995 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 1995, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
1996 | return 0; |
1997 | } |
1998 | |
1999 | if ((s->srp_ctx.N = |
2000 | BN_bin2bn(PACKET_data(&prime), |
2001 | (int)PACKET_remaining(&prime), NULL((void*)0))) == NULL((void*)0) |
2002 | || (s->srp_ctx.g = |
2003 | BN_bin2bn(PACKET_data(&generator), |
2004 | (int)PACKET_remaining(&generator), NULL((void*)0))) == NULL((void*)0) |
2005 | || (s->srp_ctx.s = |
2006 | BN_bin2bn(PACKET_data(&salt), |
2007 | (int)PACKET_remaining(&salt), NULL((void*)0))) == NULL((void*)0) |
2008 | || (s->srp_ctx.B = |
2009 | BN_bin2bn(PACKET_data(&server_pub), |
2010 | (int)PACKET_remaining(&server_pub), NULL((void*)0))) == NULL((void*)0)) { |
2011 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BN_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2011, __func__), ossl_statem_fatal)((s), (80), ((3 | (0x2 << 18L))), ((void*)0)); |
2012 | return 0; |
2013 | } |
2014 | |
2015 | if (!srp_verify_server_param(s)) { |
2016 | /* SSLfatal() already called */ |
2017 | return 0; |
2018 | } |
2019 | |
2020 | /* We must check if there is a certificate */ |
2021 | if (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aRSA0x00000001U | SSL_aDSS0x00000002U)) |
2022 | *pkey = X509_get0_pubkey(s->session->peer); |
2023 | |
2024 | return 1; |
2025 | #else |
2026 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2026, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2027 | return 0; |
2028 | #endif |
2029 | } |
2030 | |
2031 | static int tls_process_ske_dhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) |
2032 | { |
2033 | PACKET prime, generator, pub_key; |
2034 | EVP_PKEY *peer_tmp = NULL((void*)0); |
2035 | BIGNUM *p = NULL((void*)0), *g = NULL((void*)0), *bnpub_key = NULL((void*)0); |
2036 | EVP_PKEY_CTX *pctx = NULL((void*)0); |
2037 | OSSL_PARAM *params = NULL((void*)0); |
2038 | OSSL_PARAM_BLD *tmpl = NULL((void*)0); |
2039 | int ret = 0; |
2040 | |
2041 | if (!PACKET_get_length_prefixed_2(pkt, &prime) |
2042 | || !PACKET_get_length_prefixed_2(pkt, &generator) |
2043 | || !PACKET_get_length_prefixed_2(pkt, &pub_key)) { |
2044 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2044, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2045 | return 0; |
2046 | } |
2047 | |
2048 | p = BN_bin2bn(PACKET_data(&prime), (int)PACKET_remaining(&prime), NULL((void*)0)); |
2049 | g = BN_bin2bn(PACKET_data(&generator), (int)PACKET_remaining(&generator), |
2050 | NULL((void*)0)); |
2051 | bnpub_key = BN_bin2bn(PACKET_data(&pub_key), |
2052 | (int)PACKET_remaining(&pub_key), NULL((void*)0)); |
2053 | if (p == NULL((void*)0) || g == NULL((void*)0) || bnpub_key == NULL((void*)0)) { |
2054 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BN_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2054, __func__), ossl_statem_fatal)((s), (80), ((3 | (0x2 << 18L))), ((void*)0)); |
2055 | goto err; |
2056 | } |
2057 | |
2058 | tmpl = OSSL_PARAM_BLD_new(); |
2059 | if (tmpl == NULL((void*)0) |
2060 | || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_P"p", p) |
2061 | || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_G"g", g) |
2062 | || !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_PUB_KEY"pub", |
2063 | bnpub_key) |
2064 | || (params = OSSL_PARAM_BLD_to_param(tmpl)) == NULL((void*)0)) { |
2065 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2065, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2066 | goto err; |
2067 | } |
2068 | |
2069 | pctx = EVP_PKEY_CTX_new_from_name(s->ctx->libctx, "DH", s->ctx->propq); |
2070 | if (pctx == NULL((void*)0)) { |
2071 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2071, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2072 | goto err; |
2073 | } |
2074 | if (EVP_PKEY_fromdata_init(pctx) <= 0 |
2075 | || EVP_PKEY_fromdata(pctx, &peer_tmp, EVP_PKEY_KEYPAIR( ( ( ( 0x04 | 0x80) ) | 0x02 ) | 0x01 ), params) <= 0) { |
2076 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_DH_VALUE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2076, __func__), ossl_statem_fatal)((s), (80), (102), ((void *)0)); |
2077 | goto err; |
2078 | } |
2079 | |
2080 | EVP_PKEY_CTX_free(pctx); |
2081 | pctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, peer_tmp, s->ctx->propq); |
2082 | if (pctx == NULL((void*)0) |
2083 | /* |
2084 | * EVP_PKEY_param_check() will verify that the DH params are using |
2085 | * a safe prime. In this context, because we're using ephemeral DH, |
2086 | * we're ok with it not being a safe prime. |
2087 | * EVP_PKEY_param_check_quick() skips the safe prime check. |
2088 | */ |
2089 | || EVP_PKEY_param_check_quick(pctx) != 1 |
2090 | || EVP_PKEY_public_check(pctx) != 1) { |
2091 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_DH_VALUE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2091, __func__), ossl_statem_fatal)((s), (47), (102), ((void *)0)); |
2092 | goto err; |
2093 | } |
2094 | |
2095 | if (!ssl_security(s, SSL_SECOP_TMP_DH(7 | (4 << 16)), |
2096 | EVP_PKEY_get_security_bits(peer_tmp), |
2097 | 0, peer_tmp)) { |
2098 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_DH_KEY_TOO_SMALL)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2098, __func__), ossl_statem_fatal)((s), (40), (394), ((void *)0)); |
2099 | goto err; |
2100 | } |
2101 | |
2102 | s->s3.peer_tmp = peer_tmp; |
2103 | peer_tmp = NULL((void*)0); |
2104 | |
2105 | /* |
2106 | * FIXME: This makes assumptions about which ciphersuites come with |
2107 | * public keys. We should have a less ad-hoc way of doing this |
2108 | */ |
2109 | if (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aRSA0x00000001U | SSL_aDSS0x00000002U)) |
2110 | *pkey = X509_get0_pubkey(s->session->peer); |
2111 | /* else anonymous DH, so no certificate or pkey. */ |
2112 | |
2113 | ret = 1; |
2114 | |
2115 | err: |
2116 | OSSL_PARAM_BLD_free(tmpl); |
2117 | OSSL_PARAM_free(params); |
2118 | EVP_PKEY_free(peer_tmp); |
2119 | EVP_PKEY_CTX_free(pctx); |
2120 | BN_free(p); |
2121 | BN_free(g); |
2122 | BN_free(bnpub_key); |
2123 | |
2124 | return ret; |
2125 | } |
2126 | |
2127 | static int tls_process_ske_ecdhe(SSL *s, PACKET *pkt, EVP_PKEY **pkey) |
2128 | { |
2129 | PACKET encoded_pt; |
2130 | unsigned int curve_type, curve_id; |
2131 | |
2132 | /* |
2133 | * Extract elliptic curve parameters and the server's ephemeral ECDH |
2134 | * public key. We only support named (not generic) curves and |
2135 | * ECParameters in this case is just three bytes. |
2136 | */ |
2137 | if (!PACKET_get_1(pkt, &curve_type) || !PACKET_get_net_2(pkt, &curve_id)) { |
2138 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2138, __func__), ossl_statem_fatal)((s), (50), (160), ((void *)0)); |
2139 | return 0; |
2140 | } |
2141 | /* |
2142 | * Check curve is named curve type and one of our preferences, if not |
2143 | * server has sent an invalid curve. |
2144 | */ |
2145 | if (curve_type != NAMED_CURVE_TYPE3 |
2146 | || !tls1_check_group_id(s, curve_id, 1)) { |
2147 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CURVE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2147, __func__), ossl_statem_fatal)((s), (47), (378), ((void *)0)); |
2148 | return 0; |
2149 | } |
2150 | |
2151 | if ((s->s3.peer_tmp = ssl_generate_param_group(s, curve_id)) == NULL((void*)0)) { |
2152 | SSLfatal(s, SSL_AD_INTERNAL_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2153, __func__), ossl_statem_fatal)((s), (80), (314), ((void *)0)) |
2153 | SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2153, __func__), ossl_statem_fatal)((s), (80), (314), ((void *)0)); |
2154 | return 0; |
2155 | } |
2156 | |
2157 | if (!PACKET_get_length_prefixed_1(pkt, &encoded_pt)) { |
2158 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2158, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2159 | return 0; |
2160 | } |
2161 | |
2162 | if (EVP_PKEY_set1_encoded_public_key(s->s3.peer_tmp, |
2163 | PACKET_data(&encoded_pt), |
2164 | PACKET_remaining(&encoded_pt)) <= 0) { |
2165 | SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_ECPOINT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2165, __func__), ossl_statem_fatal)((s), (47), (306), ((void *)0)); |
2166 | return 0; |
2167 | } |
2168 | |
2169 | /* |
2170 | * The ECC/TLS specification does not mention the use of DSA to sign |
2171 | * ECParameters in the server key exchange message. We do support RSA |
2172 | * and ECDSA. |
2173 | */ |
2174 | if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA0x00000008U) |
2175 | *pkey = X509_get0_pubkey(s->session->peer); |
2176 | else if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aRSA0x00000001U) |
2177 | *pkey = X509_get0_pubkey(s->session->peer); |
2178 | /* else anonymous ECDH, so no certificate or pkey. */ |
2179 | |
2180 | /* Cache the agreed upon group in the SSL_SESSION */ |
2181 | s->session->kex_group = curve_id; |
2182 | return 1; |
2183 | } |
2184 | |
2185 | MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt) |
2186 | { |
2187 | long alg_k; |
2188 | EVP_PKEY *pkey = NULL((void*)0); |
2189 | EVP_MD_CTX *md_ctx = NULL((void*)0); |
2190 | EVP_PKEY_CTX *pctx = NULL((void*)0); |
2191 | PACKET save_param_start, signature; |
2192 | |
2193 | alg_k = s->s3.tmp.new_cipher->algorithm_mkey; |
2194 | |
2195 | save_param_start = *pkt; |
2196 | |
2197 | EVP_PKEY_free(s->s3.peer_tmp); |
2198 | s->s3.peer_tmp = NULL((void*)0); |
2199 | |
2200 | if (alg_k & SSL_PSK(0x00000008U | 0x00000040U | 0x00000080U | 0x00000100U)) { |
2201 | if (!tls_process_ske_psk_preamble(s, pkt)) { |
2202 | /* SSLfatal() already called */ |
2203 | goto err; |
2204 | } |
2205 | } |
2206 | |
2207 | /* Nothing else to do for plain PSK or RSAPSK */ |
2208 | if (alg_k & (SSL_kPSK0x00000008U | SSL_kRSAPSK0x00000040U)) { |
2209 | } else if (alg_k & SSL_kSRP0x00000020U) { |
2210 | if (!tls_process_ske_srp(s, pkt, &pkey)) { |
2211 | /* SSLfatal() already called */ |
2212 | goto err; |
2213 | } |
2214 | } else if (alg_k & (SSL_kDHE0x00000002U | SSL_kDHEPSK0x00000100U)) { |
2215 | if (!tls_process_ske_dhe(s, pkt, &pkey)) { |
2216 | /* SSLfatal() already called */ |
2217 | goto err; |
2218 | } |
2219 | } else if (alg_k & (SSL_kECDHE0x00000004U | SSL_kECDHEPSK0x00000080U)) { |
2220 | if (!tls_process_ske_ecdhe(s, pkt, &pkey)) { |
2221 | /* SSLfatal() already called */ |
2222 | goto err; |
2223 | } |
2224 | } else if (alg_k) { |
2225 | SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2225, __func__), ossl_statem_fatal)((s), (10), (244), ((void *)0)); |
2226 | goto err; |
2227 | } |
2228 | |
2229 | /* if it was signed, check the signature */ |
2230 | if (pkey != NULL((void*)0)) { |
2231 | PACKET params; |
2232 | const EVP_MD *md = NULL((void*)0); |
2233 | unsigned char *tbs; |
2234 | size_t tbslen; |
2235 | int rv; |
2236 | |
2237 | /* |
2238 | * |pkt| now points to the beginning of the signature, so the difference |
2239 | * equals the length of the parameters. |
2240 | */ |
2241 | if (!PACKET_get_sub_packet(&save_param_start, ¶ms, |
2242 | PACKET_remaining(&save_param_start) - |
2243 | PACKET_remaining(pkt))) { |
2244 | SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2244, __func__), ossl_statem_fatal)((s), (50), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2245 | goto err; |
2246 | } |
2247 | |
2248 | if (SSL_USE_SIGALGS(s)(s->method->ssl3_enc->enc_flags & 0x2)) { |
2249 | unsigned int sigalg; |
2250 | |
2251 | if (!PACKET_get_net_2(pkt, &sigalg)) { |
2252 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2252, __func__), ossl_statem_fatal)((s), (50), (160), ((void *)0)); |
2253 | goto err; |
2254 | } |
2255 | if (tls12_check_peer_sigalg(s, sigalg, pkey) <=0) { |
2256 | /* SSLfatal() already called */ |
2257 | goto err; |
2258 | } |
2259 | } else if (!tls1_set_peer_legacy_sigalg(s, pkey)) { |
2260 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2260, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2261 | goto err; |
2262 | } |
2263 | |
2264 | if (!tls1_lookup_md(s->ctx, s->s3.tmp.peer_sigalg, &md)) { |
2265 | SSLfatal(s, SSL_AD_INTERNAL_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2266, __func__), ossl_statem_fatal)((s), (80), (297), ((void *)0)) |
2266 | SSL_R_NO_SUITABLE_DIGEST_ALGORITHM)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2266, __func__), ossl_statem_fatal)((s), (80), (297), ((void *)0)); |
2267 | goto err; |
2268 | } |
2269 | if (SSL_USE_SIGALGS(s)(s->method->ssl3_enc->enc_flags & 0x2)) |
2270 | OSSL_TRACE1(TLS, "USING TLSv1.2 HASH %s\n",((void)0) |
2271 | md == NULL ? "n/a" : EVP_MD_get0_name(md))((void)0); |
2272 | |
2273 | if (!PACKET_get_length_prefixed_2(pkt, &signature) |
2274 | || PACKET_remaining(pkt) != 0) { |
2275 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2275, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2276 | goto err; |
2277 | } |
2278 | |
2279 | md_ctx = EVP_MD_CTX_new(); |
2280 | if (md_ctx == NULL((void*)0)) { |
2281 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2281, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2282 | goto err; |
2283 | } |
2284 | |
2285 | if (EVP_DigestVerifyInit_ex(md_ctx, &pctx, |
2286 | md == NULL((void*)0) ? NULL((void*)0) : EVP_MD_get0_name(md), |
2287 | s->ctx->libctx, s->ctx->propq, pkey, |
2288 | NULL((void*)0)) <= 0) { |
2289 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2289, __func__), ossl_statem_fatal)((s), (80), ((6 | (0x2 << 18L))), ((void*)0)); |
2290 | goto err; |
2291 | } |
2292 | if (SSL_USE_PSS(s)(s->s3.tmp.peer_sigalg != ((void*)0) && s->s3.tmp .peer_sigalg->sig == 912)) { |
2293 | if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING6) <= 0 |
2294 | || EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx, |
2295 | RSA_PSS_SALTLEN_DIGEST-1) <= 0) { |
2296 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2296, __func__), ossl_statem_fatal)((s), (80), ((6 | (0x2 << 18L))), ((void*)0)); |
2297 | goto err; |
2298 | } |
2299 | } |
2300 | tbslen = construct_key_exchange_tbs(s, &tbs, PACKET_data(¶ms), |
2301 | PACKET_remaining(¶ms)); |
2302 | if (tbslen == 0) { |
2303 | /* SSLfatal() already called */ |
2304 | goto err; |
2305 | } |
2306 | |
2307 | rv = EVP_DigestVerify(md_ctx, PACKET_data(&signature), |
2308 | PACKET_remaining(&signature), tbs, tbslen); |
2309 | OPENSSL_free(tbs)CRYPTO_free(tbs, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2309); |
2310 | if (rv <= 0) { |
2311 | SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_BAD_SIGNATURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2311, __func__), ossl_statem_fatal)((s), (51), (123), ((void *)0)); |
2312 | goto err; |
2313 | } |
2314 | EVP_MD_CTX_free(md_ctx); |
2315 | md_ctx = NULL((void*)0); |
2316 | } else { |
2317 | /* aNULL, aSRP or PSK do not need public keys */ |
2318 | if (!(s->s3.tmp.new_cipher->algorithm_auth & (SSL_aNULL0x00000004U | SSL_aSRP0x00000040U)) |
2319 | && !(alg_k & SSL_PSK(0x00000008U | 0x00000040U | 0x00000080U | 0x00000100U))) { |
2320 | /* Might be wrong key type, check it */ |
2321 | if (ssl3_check_cert_and_algorithm(s)) { |
2322 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_DATA)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2322, __func__), ossl_statem_fatal)((s), (50), (390), ((void *)0)); |
2323 | } |
2324 | /* else this shouldn't happen, SSLfatal() already called */ |
2325 | goto err; |
2326 | } |
2327 | /* still data left over */ |
2328 | if (PACKET_remaining(pkt) != 0) { |
2329 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_EXTRA_DATA_IN_MESSAGE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2329, __func__), ossl_statem_fatal)((s), (50), (153), ((void *)0)); |
2330 | goto err; |
2331 | } |
2332 | } |
2333 | |
2334 | return MSG_PROCESS_CONTINUE_READING; |
2335 | err: |
2336 | EVP_MD_CTX_free(md_ctx); |
2337 | return MSG_PROCESS_ERROR; |
2338 | } |
2339 | |
2340 | MSG_PROCESS_RETURN tls_process_certificate_request(SSL *s, PACKET *pkt) |
2341 | { |
2342 | size_t i; |
2343 | |
2344 | /* Clear certificate validity flags */ |
2345 | for (i = 0; i < SSL_PKEY_NUM9; i++) |
2346 | s->s3.tmp.valid_flags[i] = 0; |
2347 | |
2348 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
2349 | PACKET reqctx, extensions; |
2350 | RAW_EXTENSION *rawexts = NULL((void*)0); |
2351 | |
2352 | if ((s->shutdown & SSL_SENT_SHUTDOWN1) != 0) { |
2353 | /* |
2354 | * We already sent close_notify. This can only happen in TLSv1.3 |
2355 | * post-handshake messages. We can't reasonably respond to this, so |
2356 | * we just ignore it |
2357 | */ |
2358 | return MSG_PROCESS_FINISHED_READING; |
2359 | } |
2360 | |
2361 | /* Free and zero certificate types: it is not present in TLS 1.3 */ |
2362 | OPENSSL_free(s->s3.tmp.ctype)CRYPTO_free(s->s3.tmp.ctype, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2362); |
2363 | s->s3.tmp.ctype = NULL((void*)0); |
2364 | s->s3.tmp.ctype_len = 0; |
2365 | OPENSSL_free(s->pha_context)CRYPTO_free(s->pha_context, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2365); |
2366 | s->pha_context = NULL((void*)0); |
2367 | s->pha_context_len = 0; |
2368 | |
2369 | if (!PACKET_get_length_prefixed_1(pkt, &reqctx) || |
2370 | !PACKET_memdup(&reqctx, &s->pha_context, &s->pha_context_len)) { |
2371 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2371, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2372 | return MSG_PROCESS_ERROR; |
2373 | } |
2374 | |
2375 | if (!PACKET_get_length_prefixed_2(pkt, &extensions)) { |
2376 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2376, __func__), ossl_statem_fatal)((s), (50), (271), ((void *)0)); |
2377 | return MSG_PROCESS_ERROR; |
2378 | } |
2379 | if (!tls_collect_extensions(s, &extensions, |
2380 | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST0x4000, |
2381 | &rawexts, NULL((void*)0), 1) |
2382 | || !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_CERTIFICATE_REQUEST0x4000, |
2383 | rawexts, NULL((void*)0), 0, 1)) { |
2384 | /* SSLfatal() already called */ |
2385 | OPENSSL_free(rawexts)CRYPTO_free(rawexts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2385); |
2386 | return MSG_PROCESS_ERROR; |
2387 | } |
2388 | OPENSSL_free(rawexts)CRYPTO_free(rawexts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2388); |
2389 | if (!tls1_process_sigalgs(s)) { |
2390 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_LENGTH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2390, __func__), ossl_statem_fatal)((s), (80), (271), ((void *)0)); |
2391 | return MSG_PROCESS_ERROR; |
2392 | } |
2393 | } else { |
2394 | PACKET ctypes; |
2395 | |
2396 | /* get the certificate types */ |
2397 | if (!PACKET_get_length_prefixed_1(pkt, &ctypes)) { |
2398 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2398, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2399 | return MSG_PROCESS_ERROR; |
2400 | } |
2401 | |
2402 | if (!PACKET_memdup(&ctypes, &s->s3.tmp.ctype, &s->s3.tmp.ctype_len)) { |
2403 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2403, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2404 | return MSG_PROCESS_ERROR; |
2405 | } |
2406 | |
2407 | if (SSL_USE_SIGALGS(s)(s->method->ssl3_enc->enc_flags & 0x2)) { |
2408 | PACKET sigalgs; |
2409 | |
2410 | if (!PACKET_get_length_prefixed_2(pkt, &sigalgs)) { |
2411 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2411, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2412 | return MSG_PROCESS_ERROR; |
2413 | } |
2414 | |
2415 | /* |
2416 | * Despite this being for certificates, preserve compatibility |
2417 | * with pre-TLS 1.3 and use the regular sigalgs field. |
2418 | */ |
2419 | if (!tls1_save_sigalgs(s, &sigalgs, 0)) { |
2420 | SSLfatal(s, SSL_AD_INTERNAL_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2421, __func__), ossl_statem_fatal)((s), (80), (360), ((void *)0)) |
2421 | SSL_R_SIGNATURE_ALGORITHMS_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2421, __func__), ossl_statem_fatal)((s), (80), (360), ((void *)0)); |
2422 | return MSG_PROCESS_ERROR; |
2423 | } |
2424 | if (!tls1_process_sigalgs(s)) { |
2425 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2425, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2426 | return MSG_PROCESS_ERROR; |
2427 | } |
2428 | } |
2429 | |
2430 | /* get the CA RDNs */ |
2431 | if (!parse_ca_names(s, pkt)) { |
2432 | /* SSLfatal() already called */ |
2433 | return MSG_PROCESS_ERROR; |
2434 | } |
2435 | } |
2436 | |
2437 | if (PACKET_remaining(pkt) != 0) { |
2438 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2438, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2439 | return MSG_PROCESS_ERROR; |
2440 | } |
2441 | |
2442 | /* we should setup a certificate to return.... */ |
2443 | s->s3.tmp.cert_req = 1; |
2444 | |
2445 | /* |
2446 | * In TLSv1.3 we don't prepare the client certificate yet. We wait until |
2447 | * after the CertificateVerify message has been received. This is because |
2448 | * in TLSv1.3 the CertificateRequest arrives before the Certificate message |
2449 | * but in TLSv1.2 it is the other way around. We want to make sure that |
2450 | * SSL_get1_peer_certificate() returns something sensible in |
2451 | * client_cert_cb. |
2452 | */ |
2453 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) && s->post_handshake_auth != SSL_PHA_REQUESTED) |
2454 | return MSG_PROCESS_CONTINUE_READING; |
2455 | |
2456 | return MSG_PROCESS_CONTINUE_PROCESSING; |
2457 | } |
2458 | |
2459 | MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL *s, PACKET *pkt) |
2460 | { |
2461 | unsigned int ticklen; |
2462 | unsigned long ticket_lifetime_hint, age_add = 0; |
2463 | unsigned int sess_len; |
2464 | RAW_EXTENSION *exts = NULL((void*)0); |
2465 | PACKET nonce; |
2466 | EVP_MD *sha256 = NULL((void*)0); |
2467 | |
2468 | PACKET_null_init(&nonce); |
2469 | |
2470 | if (!PACKET_get_net_4(pkt, &ticket_lifetime_hint) |
2471 | || (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) |
2472 | && (!PACKET_get_net_4(pkt, &age_add) |
2473 | || !PACKET_get_length_prefixed_1(pkt, &nonce))) |
2474 | || !PACKET_get_net_2(pkt, &ticklen) |
2475 | || (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) ? (ticklen == 0 || PACKET_remaining(pkt) < ticklen) |
2476 | : PACKET_remaining(pkt) != ticklen)) { |
2477 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2477, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2478 | goto err; |
2479 | } |
2480 | |
2481 | /* |
2482 | * Server is allowed to change its mind (in <=TLSv1.2) and send an empty |
2483 | * ticket. We already checked this TLSv1.3 case above, so it should never |
2484 | * be 0 here in that instance |
2485 | */ |
2486 | if (ticklen == 0) |
2487 | return MSG_PROCESS_CONTINUE_READING; |
2488 | |
2489 | /* |
2490 | * Sessions must be immutable once they go into the session cache. Otherwise |
2491 | * we can get multi-thread problems. Therefore we don't "update" sessions, |
2492 | * we replace them with a duplicate. In TLSv1.3 we need to do this every |
2493 | * time a NewSessionTicket arrives because those messages arrive |
2494 | * post-handshake and the session may have already gone into the session |
2495 | * cache. |
2496 | */ |
2497 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) || s->session->session_id_length > 0) { |
2498 | SSL_SESSION *new_sess; |
2499 | |
2500 | /* |
2501 | * We reused an existing session, so we need to replace it with a new |
2502 | * one |
2503 | */ |
2504 | if ((new_sess = ssl_session_dup(s->session, 0)) == 0) { |
2505 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2505, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2506 | goto err; |
2507 | } |
2508 | |
2509 | if ((s->session_ctx->session_cache_mode & SSL_SESS_CACHE_CLIENT0x0001) != 0 |
2510 | && !SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
2511 | /* |
2512 | * In TLSv1.2 and below the arrival of a new tickets signals that |
2513 | * any old ticket we were using is now out of date, so we remove the |
2514 | * old session from the cache. We carry on if this fails |
2515 | */ |
2516 | SSL_CTX_remove_session(s->session_ctx, s->session); |
2517 | } |
2518 | |
2519 | SSL_SESSION_free(s->session); |
2520 | s->session = new_sess; |
2521 | } |
2522 | |
2523 | s->session->time = time(NULL((void*)0)); |
2524 | ssl_session_calculate_timeout(s->session); |
2525 | |
2526 | OPENSSL_free(s->session->ext.tick)CRYPTO_free(s->session->ext.tick, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2526); |
2527 | s->session->ext.tick = NULL((void*)0); |
2528 | s->session->ext.ticklen = 0; |
2529 | |
2530 | s->session->ext.tick = OPENSSL_malloc(ticklen)CRYPTO_malloc(ticklen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2530); |
2531 | if (s->session->ext.tick == NULL((void*)0)) { |
2532 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2532, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2533 | goto err; |
2534 | } |
2535 | if (!PACKET_copy_bytes(pkt, s->session->ext.tick, ticklen)) { |
2536 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2536, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2537 | goto err; |
2538 | } |
2539 | |
2540 | s->session->ext.tick_lifetime_hint = ticket_lifetime_hint; |
2541 | s->session->ext.tick_age_add = age_add; |
2542 | s->session->ext.ticklen = ticklen; |
2543 | |
2544 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
2545 | PACKET extpkt; |
2546 | |
2547 | if (!PACKET_as_length_prefixed_2(pkt, &extpkt) |
2548 | || PACKET_remaining(pkt) != 0) { |
2549 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2549, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2550 | goto err; |
2551 | } |
2552 | |
2553 | if (!tls_collect_extensions(s, &extpkt, |
2554 | SSL_EXT_TLS1_3_NEW_SESSION_TICKET0x2000, &exts, |
2555 | NULL((void*)0), 1) |
2556 | || !tls_parse_all_extensions(s, |
2557 | SSL_EXT_TLS1_3_NEW_SESSION_TICKET0x2000, |
2558 | exts, NULL((void*)0), 0, 1)) { |
2559 | /* SSLfatal() already called */ |
2560 | goto err; |
2561 | } |
2562 | } |
2563 | |
2564 | /* |
2565 | * There are two ways to detect a resumed ticket session. One is to set |
2566 | * an appropriate session ID and then the server must return a match in |
2567 | * ServerHello. This allows the normal client session ID matching to work |
2568 | * and we know much earlier that the ticket has been accepted. The |
2569 | * other way is to set zero length session ID when the ticket is |
2570 | * presented and rely on the handshake to determine session resumption. |
2571 | * We choose the former approach because this fits in with assumptions |
2572 | * elsewhere in OpenSSL. The session ID is set to the SHA256 hash of the |
2573 | * ticket. |
2574 | */ |
2575 | sha256 = EVP_MD_fetch(s->ctx->libctx, "SHA2-256", s->ctx->propq); |
2576 | if (sha256 == NULL((void*)0)) { |
2577 | /* Error is already recorded */ |
2578 | SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR)ossl_statem_send_fatal((s), (80)); |
2579 | goto err; |
2580 | } |
2581 | /* |
2582 | * We use sess_len here because EVP_Digest expects an int |
2583 | * but s->session->session_id_length is a size_t |
2584 | */ |
2585 | if (!EVP_Digest(s->session->ext.tick, ticklen, |
2586 | s->session->session_id, &sess_len, |
2587 | sha256, NULL((void*)0))) { |
2588 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2588, __func__), ossl_statem_fatal)((s), (80), ((6 | (0x2 << 18L))), ((void*)0)); |
2589 | goto err; |
2590 | } |
2591 | EVP_MD_free(sha256); |
2592 | sha256 = NULL((void*)0); |
2593 | s->session->session_id_length = sess_len; |
2594 | s->session->not_resumable = 0; |
2595 | |
2596 | /* This is a standalone message in TLSv1.3, so there is no more to read */ |
2597 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
2598 | const EVP_MD *md = ssl_handshake_md(s); |
2599 | int hashleni = EVP_MD_get_size(md); |
2600 | size_t hashlen; |
2601 | static const unsigned char nonce_label[] = "resumption"; |
2602 | |
2603 | /* Ensure cast to size_t is safe */ |
2604 | if (!ossl_assert(hashleni >= 0)((hashleni >= 0) != 0)) { |
2605 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2605, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2606 | goto err; |
2607 | } |
2608 | hashlen = (size_t)hashleni; |
2609 | |
2610 | if (!tls13_hkdf_expand(s, md, s->resumption_master_secret, |
2611 | nonce_label, |
2612 | sizeof(nonce_label) - 1, |
2613 | PACKET_data(&nonce), |
2614 | PACKET_remaining(&nonce), |
2615 | s->session->master_key, |
2616 | hashlen, 1)) { |
2617 | /* SSLfatal() already called */ |
2618 | goto err; |
2619 | } |
2620 | s->session->master_key_length = hashlen; |
2621 | |
2622 | OPENSSL_free(exts)CRYPTO_free(exts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2622); |
2623 | ssl_update_cache(s, SSL_SESS_CACHE_CLIENT0x0001); |
2624 | return MSG_PROCESS_FINISHED_READING; |
2625 | } |
2626 | |
2627 | return MSG_PROCESS_CONTINUE_READING; |
2628 | err: |
2629 | EVP_MD_free(sha256); |
2630 | OPENSSL_free(exts)CRYPTO_free(exts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2630); |
2631 | return MSG_PROCESS_ERROR; |
2632 | } |
2633 | |
2634 | /* |
2635 | * In TLSv1.3 this is called from the extensions code, otherwise it is used to |
2636 | * parse a separate message. Returns 1 on success or 0 on failure |
2637 | */ |
2638 | int tls_process_cert_status_body(SSL *s, PACKET *pkt) |
2639 | { |
2640 | size_t resplen; |
2641 | unsigned int type; |
2642 | |
2643 | if (!PACKET_get_1(pkt, &type) |
2644 | || type != TLSEXT_STATUSTYPE_ocsp1) { |
2645 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_UNSUPPORTED_STATUS_TYPE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2645, __func__), ossl_statem_fatal)((s), (50), (329), ((void *)0)); |
2646 | return 0; |
2647 | } |
2648 | if (!PACKET_get_net_3_len(pkt, &resplen) |
2649 | || PACKET_remaining(pkt) != resplen) { |
2650 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2650, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2651 | return 0; |
2652 | } |
2653 | s->ext.ocsp.resp = OPENSSL_malloc(resplen)CRYPTO_malloc(resplen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2653); |
2654 | if (s->ext.ocsp.resp == NULL((void*)0)) { |
2655 | s->ext.ocsp.resp_len = 0; |
2656 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2656, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2657 | return 0; |
2658 | } |
2659 | s->ext.ocsp.resp_len = resplen; |
2660 | if (!PACKET_copy_bytes(pkt, s->ext.ocsp.resp, resplen)) { |
2661 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2661, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2662 | return 0; |
2663 | } |
2664 | |
2665 | return 1; |
2666 | } |
2667 | |
2668 | |
2669 | MSG_PROCESS_RETURN tls_process_cert_status(SSL *s, PACKET *pkt) |
2670 | { |
2671 | if (!tls_process_cert_status_body(s, pkt)) { |
2672 | /* SSLfatal() already called */ |
2673 | return MSG_PROCESS_ERROR; |
2674 | } |
2675 | |
2676 | return MSG_PROCESS_CONTINUE_READING; |
2677 | } |
2678 | |
2679 | /* |
2680 | * Perform miscellaneous checks and processing after we have received the |
2681 | * server's initial flight. In TLS1.3 this is after the Server Finished message. |
2682 | * In <=TLS1.2 this is after the ServerDone message. Returns 1 on success or 0 |
2683 | * on failure. |
2684 | */ |
2685 | int tls_process_initial_server_flight(SSL *s) |
2686 | { |
2687 | /* |
2688 | * at this point we check that we have the required stuff from |
2689 | * the server |
2690 | */ |
2691 | if (!ssl3_check_cert_and_algorithm(s)) { |
2692 | /* SSLfatal() already called */ |
2693 | return 0; |
2694 | } |
2695 | |
2696 | /* |
2697 | * Call the ocsp status callback if needed. The |ext.ocsp.resp| and |
2698 | * |ext.ocsp.resp_len| values will be set if we actually received a status |
2699 | * message, or NULL and -1 otherwise |
2700 | */ |
2701 | if (s->ext.status_type != TLSEXT_STATUSTYPE_nothing-1 |
2702 | && s->ctx->ext.status_cb != NULL((void*)0)) { |
2703 | int ret = s->ctx->ext.status_cb(s, s->ctx->ext.status_arg); |
2704 | |
2705 | if (ret == 0) { |
2706 | SSLfatal(s, SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2707, __func__), ossl_statem_fatal)((s), (113), (328), ((void *)0)) |
2707 | SSL_R_INVALID_STATUS_RESPONSE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2707, __func__), ossl_statem_fatal)((s), (113), (328), ((void *)0)); |
2708 | return 0; |
2709 | } |
2710 | if (ret < 0) { |
2711 | SSLfatal(s, SSL_AD_INTERNAL_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2712, __func__), ossl_statem_fatal)((s), (80), (305), ((void *)0)) |
2712 | SSL_R_OCSP_CALLBACK_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2712, __func__), ossl_statem_fatal)((s), (80), (305), ((void *)0)); |
2713 | return 0; |
2714 | } |
2715 | } |
2716 | #ifndef OPENSSL_NO_CT |
2717 | if (s->ct_validation_callback != NULL((void*)0)) { |
2718 | /* Note we validate the SCTs whether or not we abort on error */ |
2719 | if (!ssl_validate_ct(s) && (s->verify_mode & SSL_VERIFY_PEER0x01)) { |
2720 | /* SSLfatal() already called */ |
2721 | return 0; |
2722 | } |
2723 | } |
2724 | #endif |
2725 | |
2726 | return 1; |
2727 | } |
2728 | |
2729 | MSG_PROCESS_RETURN tls_process_server_done(SSL *s, PACKET *pkt) |
2730 | { |
2731 | if (PACKET_remaining(pkt) > 0) { |
2732 | /* should contain no data */ |
2733 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2733, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
2734 | return MSG_PROCESS_ERROR; |
2735 | } |
2736 | #ifndef OPENSSL_NO_SRP |
2737 | if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kSRP0x00000020U) { |
2738 | if (ssl_srp_calc_a_param_intern(s) <= 0) { |
2739 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_SRP_A_CALC)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2739, __func__), ossl_statem_fatal)((s), (80), (361), ((void *)0)); |
2740 | return MSG_PROCESS_ERROR; |
2741 | } |
2742 | } |
2743 | #endif |
2744 | |
2745 | if (!tls_process_initial_server_flight(s)) { |
2746 | /* SSLfatal() already called */ |
2747 | return MSG_PROCESS_ERROR; |
2748 | } |
2749 | |
2750 | return MSG_PROCESS_FINISHED_READING; |
2751 | } |
2752 | |
2753 | static int tls_construct_cke_psk_preamble(SSL *s, WPACKET *pkt) |
2754 | { |
2755 | #ifndef OPENSSL_NO_PSK |
2756 | int ret = 0; |
2757 | /* |
2758 | * The callback needs PSK_MAX_IDENTITY_LEN + 1 bytes to return a |
2759 | * \0-terminated identity. The last byte is for us for simulating |
2760 | * strnlen. |
2761 | */ |
2762 | char identity[PSK_MAX_IDENTITY_LEN256 + 1]; |
2763 | size_t identitylen = 0; |
2764 | unsigned char psk[PSK_MAX_PSK_LEN512]; |
2765 | unsigned char *tmppsk = NULL((void*)0); |
2766 | char *tmpidentity = NULL((void*)0); |
2767 | size_t psklen = 0; |
2768 | |
2769 | if (s->psk_client_callback == NULL((void*)0)) { |
2770 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_PSK_NO_CLIENT_CB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2770, __func__), ossl_statem_fatal)((s), (80), (224), ((void *)0)); |
2771 | goto err; |
2772 | } |
2773 | |
2774 | memset(identity, 0, sizeof(identity)); |
2775 | |
2776 | psklen = s->psk_client_callback(s, s->session->psk_identity_hint, |
2777 | identity, sizeof(identity) - 1, |
2778 | psk, sizeof(psk)); |
2779 | |
2780 | if (psklen > PSK_MAX_PSK_LEN512) { |
2781 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2781, __func__), ossl_statem_fatal)((s), (40), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2782 | psklen = PSK_MAX_PSK_LEN512; /* Avoid overrunning the array on cleanse */ |
2783 | goto err; |
2784 | } else if (psklen == 0) { |
2785 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_PSK_IDENTITY_NOT_FOUND)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2785, __func__), ossl_statem_fatal)((s), (40), (223), ((void *)0)); |
2786 | goto err; |
2787 | } |
2788 | |
2789 | identitylen = strlen(identity); |
2790 | if (identitylen > PSK_MAX_IDENTITY_LEN256) { |
2791 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2791, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2792 | goto err; |
2793 | } |
2794 | |
2795 | tmppsk = OPENSSL_memdup(psk, psklen)CRYPTO_memdup((psk), psklen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2795); |
2796 | tmpidentity = OPENSSL_strdup(identity)CRYPTO_strdup(identity, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2796); |
2797 | if (tmppsk == NULL((void*)0) || tmpidentity == NULL((void*)0)) { |
2798 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2798, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2799 | goto err; |
2800 | } |
2801 | |
2802 | OPENSSL_free(s->s3.tmp.psk)CRYPTO_free(s->s3.tmp.psk, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2802); |
2803 | s->s3.tmp.psk = tmppsk; |
2804 | s->s3.tmp.psklen = psklen; |
2805 | tmppsk = NULL((void*)0); |
2806 | OPENSSL_free(s->session->psk_identity)CRYPTO_free(s->session->psk_identity, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2806); |
2807 | s->session->psk_identity = tmpidentity; |
2808 | tmpidentity = NULL((void*)0); |
2809 | |
2810 | if (!WPACKET_sub_memcpy_u16(pkt, identity, identitylen)WPACKET_sub_memcpy__((pkt), (identity), (identitylen), 2)) { |
2811 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2811, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2812 | goto err; |
2813 | } |
2814 | |
2815 | ret = 1; |
2816 | |
2817 | err: |
2818 | OPENSSL_cleanse(psk, psklen); |
2819 | OPENSSL_cleanse(identity, sizeof(identity)); |
2820 | OPENSSL_clear_free(tmppsk, psklen)CRYPTO_clear_free(tmppsk, psklen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2820); |
2821 | OPENSSL_clear_free(tmpidentity, identitylen)CRYPTO_clear_free(tmpidentity, identitylen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2821); |
2822 | |
2823 | return ret; |
2824 | #else |
2825 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2825, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2826 | return 0; |
2827 | #endif |
2828 | } |
2829 | |
2830 | static int tls_construct_cke_rsa(SSL *s, WPACKET *pkt) |
2831 | { |
2832 | unsigned char *encdata = NULL((void*)0); |
2833 | EVP_PKEY *pkey = NULL((void*)0); |
2834 | EVP_PKEY_CTX *pctx = NULL((void*)0); |
2835 | size_t enclen; |
2836 | unsigned char *pms = NULL((void*)0); |
2837 | size_t pmslen = 0; |
2838 | |
2839 | if (s->session->peer == NULL((void*)0)) { |
2840 | /* |
2841 | * We should always have a server certificate with SSL_kRSA. |
2842 | */ |
2843 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2843, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2844 | return 0; |
2845 | } |
2846 | |
2847 | pkey = X509_get0_pubkey(s->session->peer); |
2848 | if (!EVP_PKEY_is_a(pkey, "RSA")) { |
2849 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2849, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2850 | return 0; |
2851 | } |
2852 | |
2853 | pmslen = SSL_MAX_MASTER_KEY_LENGTH48; |
2854 | pms = OPENSSL_malloc(pmslen)CRYPTO_malloc(pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2854); |
2855 | if (pms == NULL((void*)0)) { |
2856 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2856, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2857 | return 0; |
2858 | } |
2859 | |
2860 | pms[0] = s->client_version >> 8; |
2861 | pms[1] = s->client_version & 0xff; |
2862 | if (RAND_bytes_ex(s->ctx->libctx, pms + 2, pmslen - 2, 0) <= 0) { |
2863 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2863, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2864 | goto err; |
2865 | } |
2866 | |
2867 | /* Fix buf for TLS and beyond */ |
2868 | if (s->version > SSL3_VERSION0x0300 && !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)) { |
2869 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2869, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2870 | goto err; |
2871 | } |
2872 | |
2873 | pctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, pkey, s->ctx->propq); |
2874 | if (pctx == NULL((void*)0) || EVP_PKEY_encrypt_init(pctx) <= 0 |
2875 | || EVP_PKEY_encrypt(pctx, NULL((void*)0), &enclen, pms, pmslen) <= 0) { |
2876 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2876, __func__), ossl_statem_fatal)((s), (80), ((6 | (0x2 << 18L))), ((void*)0)); |
2877 | goto err; |
2878 | } |
2879 | if (!WPACKET_allocate_bytes(pkt, enclen, &encdata) |
2880 | || EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) { |
2881 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_RSA_ENCRYPT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2881, __func__), ossl_statem_fatal)((s), (80), (119), ((void *)0)); |
2882 | goto err; |
2883 | } |
2884 | EVP_PKEY_CTX_free(pctx); |
2885 | pctx = NULL((void*)0); |
2886 | |
2887 | /* Fix buf for TLS and beyond */ |
2888 | if (s->version > SSL3_VERSION0x0300 && !WPACKET_close(pkt)) { |
2889 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2889, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2890 | goto err; |
2891 | } |
2892 | |
2893 | /* Log the premaster secret, if logging is enabled. */ |
2894 | if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) { |
2895 | /* SSLfatal() already called */ |
2896 | goto err; |
2897 | } |
2898 | |
2899 | s->s3.tmp.pms = pms; |
2900 | s->s3.tmp.pmslen = pmslen; |
2901 | |
2902 | return 1; |
2903 | err: |
2904 | OPENSSL_clear_free(pms, pmslen)CRYPTO_clear_free(pms, pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2904); |
2905 | EVP_PKEY_CTX_free(pctx); |
2906 | |
2907 | return 0; |
2908 | } |
2909 | |
2910 | static int tls_construct_cke_dhe(SSL *s, WPACKET *pkt) |
2911 | { |
2912 | EVP_PKEY *ckey = NULL((void*)0), *skey = NULL((void*)0); |
2913 | unsigned char *keybytes = NULL((void*)0); |
2914 | int prime_len; |
2915 | unsigned char *encoded_pub = NULL((void*)0); |
2916 | size_t encoded_pub_len, pad_len; |
2917 | int ret = 0; |
2918 | |
2919 | skey = s->s3.peer_tmp; |
2920 | if (skey == NULL((void*)0)) { |
2921 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2921, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2922 | goto err; |
2923 | } |
2924 | |
2925 | ckey = ssl_generate_pkey(s, skey); |
2926 | if (ckey == NULL((void*)0)) { |
2927 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2927, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2928 | goto err; |
2929 | } |
2930 | |
2931 | if (ssl_derive(s, ckey, skey, 0) == 0) { |
2932 | /* SSLfatal() already called */ |
2933 | goto err; |
2934 | } |
2935 | |
2936 | /* send off the data */ |
2937 | |
2938 | /* Generate encoding of server key */ |
2939 | encoded_pub_len = EVP_PKEY_get1_encoded_public_key(ckey, &encoded_pub); |
2940 | if (encoded_pub_len == 0) { |
2941 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2941, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2942 | EVP_PKEY_free(ckey); |
2943 | return EXT_RETURN_FAIL; |
2944 | } |
2945 | |
2946 | /* |
2947 | * For interoperability with some versions of the Microsoft TLS |
2948 | * stack, we need to zero pad the DHE pub key to the same length |
2949 | * as the prime. |
2950 | */ |
2951 | prime_len = EVP_PKEY_get_size(ckey); |
2952 | pad_len = prime_len - encoded_pub_len; |
2953 | if (pad_len > 0) { |
2954 | if (!WPACKET_sub_allocate_bytes_u16(pkt, pad_len, &keybytes)WPACKET_sub_allocate_bytes__((pkt), (pad_len), (&keybytes ), 2)) { |
2955 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2955, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2956 | goto err; |
2957 | } |
2958 | memset(keybytes, 0, pad_len); |
2959 | } |
2960 | |
2961 | if (!WPACKET_sub_memcpy_u16(pkt, encoded_pub, encoded_pub_len)WPACKET_sub_memcpy__((pkt), (encoded_pub), (encoded_pub_len), 2)) { |
2962 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2962, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2963 | goto err; |
2964 | } |
2965 | |
2966 | ret = 1; |
2967 | err: |
2968 | OPENSSL_free(encoded_pub)CRYPTO_free(encoded_pub, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2968); |
2969 | EVP_PKEY_free(ckey); |
2970 | return ret; |
2971 | } |
2972 | |
2973 | static int tls_construct_cke_ecdhe(SSL *s, WPACKET *pkt) |
2974 | { |
2975 | unsigned char *encodedPoint = NULL((void*)0); |
2976 | size_t encoded_pt_len = 0; |
2977 | EVP_PKEY *ckey = NULL((void*)0), *skey = NULL((void*)0); |
2978 | int ret = 0; |
2979 | |
2980 | skey = s->s3.peer_tmp; |
2981 | if (skey == NULL((void*)0)) { |
2982 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2982, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2983 | return 0; |
2984 | } |
2985 | |
2986 | ckey = ssl_generate_pkey(s, skey); |
2987 | if (ckey == NULL((void*)0)) { |
2988 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 2988, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
2989 | goto err; |
2990 | } |
2991 | |
2992 | if (ssl_derive(s, ckey, skey, 0) == 0) { |
2993 | /* SSLfatal() already called */ |
2994 | goto err; |
2995 | } |
2996 | |
2997 | /* Generate encoding of client key */ |
2998 | encoded_pt_len = EVP_PKEY_get1_encoded_public_key(ckey, &encodedPoint); |
2999 | |
3000 | if (encoded_pt_len == 0) { |
3001 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3001, __func__), ossl_statem_fatal)((s), (80), ((16 | (0x2 << 18L))), ((void*)0)); |
3002 | goto err; |
3003 | } |
3004 | |
3005 | if (!WPACKET_sub_memcpy_u8(pkt, encodedPoint, encoded_pt_len)WPACKET_sub_memcpy__((pkt), (encodedPoint), (encoded_pt_len), 1)) { |
3006 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3006, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3007 | goto err; |
3008 | } |
3009 | |
3010 | ret = 1; |
3011 | err: |
3012 | OPENSSL_free(encodedPoint)CRYPTO_free(encodedPoint, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3012); |
3013 | EVP_PKEY_free(ckey); |
3014 | return ret; |
3015 | } |
3016 | |
3017 | static int tls_construct_cke_gost(SSL *s, WPACKET *pkt) |
3018 | { |
3019 | #ifndef OPENSSL_NO_GOST |
3020 | /* GOST key exchange message creation */ |
3021 | EVP_PKEY_CTX *pkey_ctx = NULL((void*)0); |
3022 | X509 *peer_cert; |
3023 | size_t msglen; |
3024 | unsigned int md_len; |
3025 | unsigned char shared_ukm[32], tmp[256]; |
3026 | EVP_MD_CTX *ukm_hash = NULL((void*)0); |
3027 | int dgst_nid = NID_id_GostR3411_94809; |
3028 | unsigned char *pms = NULL((void*)0); |
3029 | size_t pmslen = 0; |
3030 | |
3031 | if ((s->s3.tmp.new_cipher->algorithm_auth & SSL_aGOST120x00000080U) != 0) |
3032 | dgst_nid = NID_id_GostR3411_2012_256982; |
3033 | |
3034 | /* |
3035 | * Get server certificate PKEY and create ctx from it |
3036 | */ |
3037 | peer_cert = s->session->peer; |
3038 | if (peer_cert == NULL((void*)0)) { |
3039 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3040, __func__), ossl_statem_fatal)((s), (40), (330), ((void *)0)) |
3040 | SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3040, __func__), ossl_statem_fatal)((s), (40), (330), ((void *)0)); |
3041 | return 0; |
3042 | } |
3043 | |
3044 | pkey_ctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, |
3045 | X509_get0_pubkey(peer_cert), |
3046 | s->ctx->propq); |
3047 | if (pkey_ctx == NULL((void*)0)) { |
3048 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3048, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3049 | return 0; |
3050 | } |
3051 | /* |
3052 | * If we have send a certificate, and certificate key |
3053 | * parameters match those of server certificate, use |
3054 | * certificate key for key exchange |
3055 | */ |
3056 | |
3057 | /* Otherwise, generate ephemeral key pair */ |
3058 | pmslen = 32; |
3059 | pms = OPENSSL_malloc(pmslen)CRYPTO_malloc(pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3059); |
3060 | if (pms == NULL((void*)0)) { |
3061 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3061, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3062 | goto err; |
3063 | } |
3064 | |
3065 | if (EVP_PKEY_encrypt_init(pkey_ctx) <= 0 |
3066 | /* Generate session key |
3067 | */ |
3068 | || RAND_bytes_ex(s->ctx->libctx, pms, pmslen, 0) <= 0) { |
3069 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3069, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3070 | goto err; |
3071 | }; |
3072 | /* |
3073 | * Compute shared IV and store it in algorithm-specific context |
3074 | * data |
3075 | */ |
3076 | ukm_hash = EVP_MD_CTX_new(); |
3077 | if (ukm_hash == NULL((void*)0) |
3078 | || EVP_DigestInit(ukm_hash, EVP_get_digestbynid(dgst_nid)EVP_get_digestbyname(OBJ_nid2sn(dgst_nid))) <= 0 |
3079 | || EVP_DigestUpdate(ukm_hash, s->s3.client_random, |
3080 | SSL3_RANDOM_SIZE32) <= 0 |
3081 | || EVP_DigestUpdate(ukm_hash, s->s3.server_random, |
3082 | SSL3_RANDOM_SIZE32) <= 0 |
3083 | || EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len) <= 0) { |
3084 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3084, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3085 | goto err; |
3086 | } |
3087 | EVP_MD_CTX_free(ukm_hash); |
3088 | ukm_hash = NULL((void*)0); |
3089 | if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT(1<<9), |
3090 | EVP_PKEY_CTRL_SET_IV8, 8, shared_ukm) <= 0) { |
3091 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3091, __func__), ossl_statem_fatal)((s), (80), (274), ((void *)0)); |
3092 | goto err; |
3093 | } |
3094 | /* Make GOST keytransport blob message */ |
3095 | /* |
3096 | * Encapsulate it into sequence |
3097 | */ |
3098 | msglen = 255; |
3099 | if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) <= 0) { |
3100 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3100, __func__), ossl_statem_fatal)((s), (80), (274), ((void *)0)); |
3101 | goto err; |
3102 | } |
3103 | |
3104 | if (!WPACKET_put_bytes_u8(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED)WPACKET_put_bytes__((pkt), (16 | 0x20), 1) |
3105 | || (msglen >= 0x80 && !WPACKET_put_bytes_u8(pkt, 0x81)WPACKET_put_bytes__((pkt), (0x81), 1)) |
3106 | || !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)WPACKET_sub_memcpy__((pkt), (tmp), (msglen), 1)) { |
3107 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3107, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3108 | goto err; |
3109 | } |
3110 | |
3111 | EVP_PKEY_CTX_free(pkey_ctx); |
3112 | s->s3.tmp.pms = pms; |
3113 | s->s3.tmp.pmslen = pmslen; |
3114 | |
3115 | return 1; |
3116 | err: |
3117 | EVP_PKEY_CTX_free(pkey_ctx); |
3118 | OPENSSL_clear_free(pms, pmslen)CRYPTO_clear_free(pms, pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3118); |
3119 | EVP_MD_CTX_free(ukm_hash); |
3120 | return 0; |
3121 | #else |
3122 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3122, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3123 | return 0; |
3124 | #endif |
3125 | } |
3126 | |
3127 | #ifndef OPENSSL_NO_GOST |
3128 | int ossl_gost18_cke_cipher_nid(const SSL *s) |
3129 | { |
3130 | if ((s->s3.tmp.new_cipher->algorithm_enc & SSL_MAGMA0x00400000U) != 0) |
3131 | return NID_magma_ctr1188; |
3132 | else if ((s->s3.tmp.new_cipher->algorithm_enc & SSL_KUZNYECHIK0x00800000U) != 0) |
3133 | return NID_kuznyechik_ctr1013; |
3134 | |
3135 | return NID_undef0; |
3136 | } |
3137 | |
3138 | int ossl_gost_ukm(const SSL *s, unsigned char *dgst_buf) |
3139 | { |
3140 | EVP_MD_CTX * hash = NULL((void*)0); |
3141 | unsigned int md_len; |
3142 | const EVP_MD *md = ssl_evp_md_fetch(s->ctx->libctx, NID_id_GostR3411_2012_256982, s->ctx->propq); |
3143 | |
3144 | if (md == NULL((void*)0)) |
3145 | return 0; |
3146 | |
3147 | if ((hash = EVP_MD_CTX_new()) == NULL((void*)0) |
3148 | || EVP_DigestInit(hash, md) <= 0 |
3149 | || EVP_DigestUpdate(hash, s->s3.client_random, SSL3_RANDOM_SIZE32) <= 0 |
3150 | || EVP_DigestUpdate(hash, s->s3.server_random, SSL3_RANDOM_SIZE32) <= 0 |
3151 | || EVP_DigestFinal_ex(hash, dgst_buf, &md_len) <= 0) { |
3152 | EVP_MD_CTX_free(hash); |
3153 | ssl_evp_md_free(md); |
3154 | return 0; |
3155 | } |
3156 | |
3157 | EVP_MD_CTX_free(hash); |
3158 | ssl_evp_md_free(md); |
3159 | return 1; |
3160 | } |
3161 | #endif |
3162 | |
3163 | static int tls_construct_cke_gost18(SSL *s, WPACKET *pkt) |
3164 | { |
3165 | #ifndef OPENSSL_NO_GOST |
3166 | /* GOST 2018 key exchange message creation */ |
3167 | unsigned char rnd_dgst[32]; |
3168 | unsigned char *encdata = NULL((void*)0); |
3169 | EVP_PKEY_CTX *pkey_ctx = NULL((void*)0); |
3170 | X509 *peer_cert; |
3171 | unsigned char *pms = NULL((void*)0); |
3172 | size_t pmslen = 0; |
3173 | size_t msglen; |
3174 | int cipher_nid = ossl_gost18_cke_cipher_nid(s); |
3175 | |
3176 | if (cipher_nid == NID_undef0) { |
3177 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3177, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3178 | return 0; |
3179 | } |
3180 | |
3181 | if (ossl_gost_ukm(s, rnd_dgst) <= 0) { |
3182 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3182, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3183 | goto err; |
3184 | } |
3185 | |
3186 | /* Pre-master secret - random bytes */ |
3187 | pmslen = 32; |
3188 | pms = OPENSSL_malloc(pmslen)CRYPTO_malloc(pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3188); |
3189 | if (pms == NULL((void*)0)) { |
3190 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3190, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3191 | goto err; |
3192 | } |
3193 | |
3194 | if (RAND_bytes_ex(s->ctx->libctx, pms, pmslen, 0) <= 0) { |
3195 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3195, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3196 | goto err; |
3197 | } |
3198 | |
3199 | /* Get server certificate PKEY and create ctx from it */ |
3200 | peer_cert = s->session->peer; |
3201 | if (peer_cert == NULL((void*)0)) { |
3202 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3203, __func__), ossl_statem_fatal)((s), (40), (330), ((void *)0)) |
3203 | SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3203, __func__), ossl_statem_fatal)((s), (40), (330), ((void *)0)); |
3204 | goto err; |
3205 | } |
3206 | |
3207 | pkey_ctx = EVP_PKEY_CTX_new_from_pkey(s->ctx->libctx, |
3208 | X509_get0_pubkey(peer_cert), |
3209 | s->ctx->propq); |
3210 | if (pkey_ctx == NULL((void*)0)) { |
3211 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3211, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3212 | goto err; |
3213 | } |
3214 | |
3215 | if (EVP_PKEY_encrypt_init(pkey_ctx) <= 0 ) { |
3216 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3216, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3217 | goto err; |
3218 | }; |
3219 | |
3220 | /* Reuse EVP_PKEY_CTRL_SET_IV, make choice in engine code */ |
3221 | if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT(1<<9), |
3222 | EVP_PKEY_CTRL_SET_IV8, 32, rnd_dgst) <= 0) { |
3223 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3223, __func__), ossl_statem_fatal)((s), (80), (274), ((void *)0)); |
3224 | goto err; |
3225 | } |
3226 | |
3227 | if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT(1<<9), |
3228 | EVP_PKEY_CTRL_CIPHER12, cipher_nid, NULL((void*)0)) <= 0) { |
3229 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3229, __func__), ossl_statem_fatal)((s), (80), (274), ((void *)0)); |
3230 | goto err; |
3231 | } |
3232 | |
3233 | if (EVP_PKEY_encrypt(pkey_ctx, NULL((void*)0), &msglen, pms, pmslen) <= 0) { |
3234 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3234, __func__), ossl_statem_fatal)((s), (80), ((6 | (0x2 << 18L))), ((void*)0)); |
3235 | goto err; |
3236 | } |
3237 | |
3238 | if (!WPACKET_allocate_bytes(pkt, msglen, &encdata) |
3239 | || EVP_PKEY_encrypt(pkey_ctx, encdata, &msglen, pms, pmslen) <= 0) { |
3240 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3240, __func__), ossl_statem_fatal)((s), (80), ((6 | (0x2 << 18L))), ((void*)0)); |
3241 | goto err; |
3242 | } |
3243 | |
3244 | EVP_PKEY_CTX_free(pkey_ctx); |
3245 | pkey_ctx = NULL((void*)0); |
3246 | s->s3.tmp.pms = pms; |
3247 | s->s3.tmp.pmslen = pmslen; |
3248 | |
3249 | return 1; |
3250 | err: |
3251 | EVP_PKEY_CTX_free(pkey_ctx); |
3252 | OPENSSL_clear_free(pms, pmslen)CRYPTO_clear_free(pms, pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3252); |
3253 | return 0; |
3254 | #else |
3255 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3255, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3256 | return 0; |
3257 | #endif |
3258 | } |
3259 | |
3260 | static int tls_construct_cke_srp(SSL *s, WPACKET *pkt) |
3261 | { |
3262 | #ifndef OPENSSL_NO_SRP |
3263 | unsigned char *abytes = NULL((void*)0); |
3264 | |
3265 | if (s->srp_ctx.A == NULL((void*)0) |
3266 | || !WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(s->srp_ctx.A),WPACKET_sub_allocate_bytes__((pkt), (((BN_num_bits(s->srp_ctx .A)+7)/8)), (&abytes), 2) |
3267 | &abytes)WPACKET_sub_allocate_bytes__((pkt), (((BN_num_bits(s->srp_ctx .A)+7)/8)), (&abytes), 2)) { |
3268 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3268, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3269 | return 0; |
3270 | } |
3271 | BN_bn2bin(s->srp_ctx.A, abytes); |
3272 | |
3273 | OPENSSL_free(s->session->srp_username)CRYPTO_free(s->session->srp_username, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3273); |
3274 | s->session->srp_username = OPENSSL_strdup(s->srp_ctx.login)CRYPTO_strdup(s->srp_ctx.login, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3274); |
3275 | if (s->session->srp_username == NULL((void*)0)) { |
3276 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3276, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3277 | return 0; |
3278 | } |
3279 | |
3280 | return 1; |
3281 | #else |
3282 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3282, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3283 | return 0; |
3284 | #endif |
3285 | } |
3286 | |
3287 | int tls_construct_client_key_exchange(SSL *s, WPACKET *pkt) |
3288 | { |
3289 | unsigned long alg_k; |
3290 | |
3291 | alg_k = s->s3.tmp.new_cipher->algorithm_mkey; |
3292 | |
3293 | /* |
3294 | * All of the construct functions below call SSLfatal() if necessary so |
3295 | * no need to do so here. |
3296 | */ |
3297 | if ((alg_k & SSL_PSK(0x00000008U | 0x00000040U | 0x00000080U | 0x00000100U)) |
3298 | && !tls_construct_cke_psk_preamble(s, pkt)) |
3299 | goto err; |
3300 | |
3301 | if (alg_k & (SSL_kRSA0x00000001U | SSL_kRSAPSK0x00000040U)) { |
3302 | if (!tls_construct_cke_rsa(s, pkt)) |
3303 | goto err; |
3304 | } else if (alg_k & (SSL_kDHE0x00000002U | SSL_kDHEPSK0x00000100U)) { |
3305 | if (!tls_construct_cke_dhe(s, pkt)) |
3306 | goto err; |
3307 | } else if (alg_k & (SSL_kECDHE0x00000004U | SSL_kECDHEPSK0x00000080U)) { |
3308 | if (!tls_construct_cke_ecdhe(s, pkt)) |
3309 | goto err; |
3310 | } else if (alg_k & SSL_kGOST0x00000010U) { |
3311 | if (!tls_construct_cke_gost(s, pkt)) |
3312 | goto err; |
3313 | } else if (alg_k & SSL_kGOST180x00000200U) { |
3314 | if (!tls_construct_cke_gost18(s, pkt)) |
3315 | goto err; |
3316 | } else if (alg_k & SSL_kSRP0x00000020U) { |
3317 | if (!tls_construct_cke_srp(s, pkt)) |
3318 | goto err; |
3319 | } else if (!(alg_k & SSL_kPSK0x00000008U)) { |
3320 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3320, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3321 | goto err; |
3322 | } |
3323 | |
3324 | return 1; |
3325 | err: |
3326 | OPENSSL_clear_free(s->s3.tmp.pms, s->s3.tmp.pmslen)CRYPTO_clear_free(s->s3.tmp.pms, s->s3.tmp.pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3326); |
3327 | s->s3.tmp.pms = NULL((void*)0); |
3328 | s->s3.tmp.pmslen = 0; |
3329 | #ifndef OPENSSL_NO_PSK |
3330 | OPENSSL_clear_free(s->s3.tmp.psk, s->s3.tmp.psklen)CRYPTO_clear_free(s->s3.tmp.psk, s->s3.tmp.psklen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3330); |
3331 | s->s3.tmp.psk = NULL((void*)0); |
3332 | s->s3.tmp.psklen = 0; |
3333 | #endif |
3334 | return 0; |
3335 | } |
3336 | |
3337 | int tls_client_key_exchange_post_work(SSL *s) |
3338 | { |
3339 | unsigned char *pms = NULL((void*)0); |
3340 | size_t pmslen = 0; |
3341 | |
3342 | pms = s->s3.tmp.pms; |
3343 | pmslen = s->s3.tmp.pmslen; |
3344 | |
3345 | #ifndef OPENSSL_NO_SRP |
3346 | /* Check for SRP */ |
3347 | if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kSRP0x00000020U) { |
3348 | if (!srp_generate_client_master_secret(s)) { |
3349 | /* SSLfatal() already called */ |
3350 | goto err; |
3351 | } |
3352 | return 1; |
3353 | } |
3354 | #endif |
3355 | |
3356 | if (pms == NULL((void*)0) && !(s->s3.tmp.new_cipher->algorithm_mkey & SSL_kPSK0x00000008U)) { |
3357 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3357, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3358 | goto err; |
3359 | } |
3360 | if (!ssl_generate_master_secret(s, pms, pmslen, 1)) { |
3361 | /* SSLfatal() already called */ |
3362 | /* ssl_generate_master_secret frees the pms even on error */ |
3363 | pms = NULL((void*)0); |
3364 | pmslen = 0; |
3365 | goto err; |
3366 | } |
3367 | pms = NULL((void*)0); |
3368 | pmslen = 0; |
Value stored to 'pmslen' is never read | |
3369 | |
3370 | #ifndef OPENSSL_NO_SCTP |
3371 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
3372 | unsigned char sctpauthkey[64]; |
3373 | char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)]; |
3374 | size_t labellen; |
3375 | |
3376 | /* |
3377 | * Add new shared key for SCTP-Auth, will be ignored if no SCTP |
3378 | * used. |
3379 | */ |
3380 | memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL, |
3381 | sizeof(DTLS1_SCTP_AUTH_LABEL)); |
3382 | |
3383 | /* Don't include the terminating zero. */ |
3384 | labellen = sizeof(labelbuffer) - 1; |
3385 | if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG0x00000400U) |
3386 | labellen += 1; |
3387 | |
3388 | if (SSL_export_keying_material(s, sctpauthkey, |
3389 | sizeof(sctpauthkey), labelbuffer, |
3390 | labellen, NULL((void*)0), 0, 0) <= 0) { |
3391 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3391, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3392 | goto err; |
3393 | } |
3394 | |
3395 | BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY, |
3396 | sizeof(sctpauthkey), sctpauthkey); |
3397 | } |
3398 | #endif |
3399 | |
3400 | return 1; |
3401 | err: |
3402 | OPENSSL_clear_free(pms, pmslen)CRYPTO_clear_free(pms, pmslen, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3402); |
3403 | s->s3.tmp.pms = NULL((void*)0); |
3404 | s->s3.tmp.pmslen = 0; |
3405 | return 0; |
3406 | } |
3407 | |
3408 | /* |
3409 | * Check a certificate can be used for client authentication. Currently check |
3410 | * cert exists, if we have a suitable digest for TLS 1.2 if static DH client |
3411 | * certificates can be used and optionally checks suitability for Suite B. |
3412 | */ |
3413 | static int ssl3_check_client_certificate(SSL *s) |
3414 | { |
3415 | /* If no suitable signature algorithm can't use certificate */ |
3416 | if (!tls_choose_sigalg(s, 0) || s->s3.tmp.sigalg == NULL((void*)0)) |
3417 | return 0; |
3418 | /* |
3419 | * If strict mode check suitability of chain before using it. This also |
3420 | * adjusts suite B digest if necessary. |
3421 | */ |
3422 | if (s->cert->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT(0x30000|0x00000001U) && |
3423 | !tls1_check_chain(s, NULL((void*)0), NULL((void*)0), NULL((void*)0), -2)) |
3424 | return 0; |
3425 | return 1; |
3426 | } |
3427 | |
3428 | WORK_STATE tls_prepare_client_certificate(SSL *s, WORK_STATE wst) |
3429 | { |
3430 | X509 *x509 = NULL((void*)0); |
3431 | EVP_PKEY *pkey = NULL((void*)0); |
3432 | int i; |
3433 | |
3434 | if (wst == WORK_MORE_A) { |
3435 | /* Let cert callback update client certificates if required */ |
3436 | if (s->cert->cert_cb) { |
3437 | i = s->cert->cert_cb(s, s->cert->cert_cb_arg); |
3438 | if (i < 0) { |
3439 | s->rwstate = SSL_X509_LOOKUP4; |
3440 | return WORK_MORE_A; |
3441 | } |
3442 | if (i == 0) { |
3443 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_CALLBACK_FAILED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3443, __func__), ossl_statem_fatal)((s), (80), (234), ((void *)0)); |
3444 | return WORK_ERROR; |
3445 | } |
3446 | s->rwstate = SSL_NOTHING1; |
3447 | } |
3448 | if (ssl3_check_client_certificate(s)) { |
3449 | if (s->post_handshake_auth == SSL_PHA_REQUESTED) { |
3450 | return WORK_FINISHED_STOP; |
3451 | } |
3452 | return WORK_FINISHED_CONTINUE; |
3453 | } |
3454 | |
3455 | /* Fall through to WORK_MORE_B */ |
3456 | wst = WORK_MORE_B; |
3457 | } |
3458 | |
3459 | /* We need to get a client cert */ |
3460 | if (wst == WORK_MORE_B) { |
3461 | /* |
3462 | * If we get an error, we need to ssl->rwstate=SSL_X509_LOOKUP; |
3463 | * return(-1); We then get retied later |
3464 | */ |
3465 | i = ssl_do_client_cert_cb(s, &x509, &pkey); |
3466 | if (i < 0) { |
3467 | s->rwstate = SSL_X509_LOOKUP4; |
3468 | return WORK_MORE_B; |
3469 | } |
3470 | s->rwstate = SSL_NOTHING1; |
3471 | if ((i == 1) && (pkey != NULL((void*)0)) && (x509 != NULL((void*)0))) { |
3472 | if (!SSL_use_certificate(s, x509) || !SSL_use_PrivateKey(s, pkey)) |
3473 | i = 0; |
3474 | } else if (i == 1) { |
3475 | i = 0; |
3476 | ERR_raise(ERR_LIB_SSL, SSL_R_BAD_DATA_RETURNED_BY_CALLBACK)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" ,3476,__func__), ERR_set_error)((20),(106),((void*)0)); |
3477 | } |
3478 | |
3479 | X509_free(x509); |
3480 | EVP_PKEY_free(pkey); |
3481 | if (i && !ssl3_check_client_certificate(s)) |
3482 | i = 0; |
3483 | if (i == 0) { |
3484 | if (s->version == SSL3_VERSION0x0300) { |
3485 | s->s3.tmp.cert_req = 0; |
3486 | ssl3_send_alert(s, SSL3_AL_WARNING1, SSL_AD_NO_CERTIFICATE41); |
3487 | return WORK_FINISHED_CONTINUE; |
3488 | } else { |
3489 | s->s3.tmp.cert_req = 2; |
3490 | if (!ssl3_digest_cached_records(s, 0)) { |
3491 | /* SSLfatal() already called */ |
3492 | return WORK_ERROR; |
3493 | } |
3494 | } |
3495 | } |
3496 | |
3497 | if (s->post_handshake_auth == SSL_PHA_REQUESTED) |
3498 | return WORK_FINISHED_STOP; |
3499 | return WORK_FINISHED_CONTINUE; |
3500 | } |
3501 | |
3502 | /* Shouldn't ever get here */ |
3503 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3503, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3504 | return WORK_ERROR; |
3505 | } |
3506 | |
3507 | int tls_construct_client_certificate(SSL *s, WPACKET *pkt) |
3508 | { |
3509 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000)) { |
3510 | if (s->pha_context == NULL((void*)0)) { |
3511 | /* no context available, add 0-length context */ |
3512 | if (!WPACKET_put_bytes_u8(pkt, 0)WPACKET_put_bytes__((pkt), (0), 1)) { |
3513 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3513, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3514 | return 0; |
3515 | } |
3516 | } else if (!WPACKET_sub_memcpy_u8(pkt, s->pha_context, s->pha_context_len)WPACKET_sub_memcpy__((pkt), (s->pha_context), (s->pha_context_len ), 1)) { |
3517 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3517, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3518 | return 0; |
3519 | } |
3520 | } |
3521 | if (!ssl3_output_cert_chain(s, pkt, |
3522 | (s->s3.tmp.cert_req == 2) ? NULL((void*)0) |
3523 | : s->cert->key)) { |
3524 | /* SSLfatal() already called */ |
3525 | return 0; |
3526 | } |
3527 | |
3528 | if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) && (s)->method->version >= 0x0304 && (s)->method ->version != 0x10000) |
3529 | && SSL_IS_FIRST_HANDSHAKE(s)((s)->s3.tmp.finish_md_len == 0 || (s)->s3.tmp.peer_finish_md_len == 0) |
3530 | && (!s->method->ssl3_enc->change_cipher_state(s, |
3531 | SSL3_CC_HANDSHAKE0x080 | SSL3_CHANGE_CIPHER_CLIENT_WRITE(0x010|0x002)))) { |
3532 | /* |
3533 | * This is a fatal error, which leaves enc_write_ctx in an inconsistent |
3534 | * state and thus ssl3_send_alert may crash. |
3535 | */ |
3536 | SSLfatal(s, SSL_AD_NO_ALERT, SSL_R_CANNOT_CHANGE_CIPHER)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3536, __func__), ossl_statem_fatal)((s), (-1), (109), ((void *)0)); |
3537 | return 0; |
3538 | } |
3539 | |
3540 | return 1; |
3541 | } |
3542 | |
3543 | int ssl3_check_cert_and_algorithm(SSL *s) |
3544 | { |
3545 | const SSL_CERT_LOOKUP *clu; |
3546 | size_t idx; |
3547 | long alg_k, alg_a; |
3548 | |
3549 | alg_k = s->s3.tmp.new_cipher->algorithm_mkey; |
3550 | alg_a = s->s3.tmp.new_cipher->algorithm_auth; |
3551 | |
3552 | /* we don't have a certificate */ |
3553 | if (!(alg_a & SSL_aCERT(0x00000001U | 0x00000002U | 0x00000008U | 0x00000020U | 0x00000080U ))) |
3554 | return 1; |
3555 | |
3556 | /* This is the passed certificate */ |
3557 | clu = ssl_cert_lookup_by_pkey(X509_get0_pubkey(s->session->peer), &idx); |
3558 | |
3559 | /* Check certificate is recognised and suitable for cipher */ |
3560 | if (clu == NULL((void*)0) || (alg_a & clu->amask) == 0) { |
3561 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_MISSING_SIGNING_CERT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3561, __func__), ossl_statem_fatal)((s), (40), (221), ((void *)0)); |
3562 | return 0; |
3563 | } |
3564 | |
3565 | if (clu->amask & SSL_aECDSA0x00000008U) { |
3566 | if (ssl_check_srvr_ecc_cert_and_alg(s->session->peer, s)) |
3567 | return 1; |
3568 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_BAD_ECC_CERT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3568, __func__), ossl_statem_fatal)((s), (40), (304), ((void *)0)); |
3569 | return 0; |
3570 | } |
3571 | |
3572 | if (alg_k & (SSL_kRSA0x00000001U | SSL_kRSAPSK0x00000040U) && idx != SSL_PKEY_RSA0) { |
3573 | SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3574, __func__), ossl_statem_fatal)((s), (40), (169), ((void *)0)) |
3574 | SSL_R_MISSING_RSA_ENCRYPTING_CERT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3574, __func__), ossl_statem_fatal)((s), (40), (169), ((void *)0)); |
3575 | return 0; |
3576 | } |
3577 | |
3578 | if ((alg_k & SSL_kDHE0x00000002U) && (s->s3.peer_tmp == NULL((void*)0))) { |
3579 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3579, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3580 | return 0; |
3581 | } |
3582 | |
3583 | return 1; |
3584 | } |
3585 | |
3586 | #ifndef OPENSSL_NO_NEXTPROTONEG |
3587 | int tls_construct_next_proto(SSL *s, WPACKET *pkt) |
3588 | { |
3589 | size_t len, padding_len; |
3590 | unsigned char *padding = NULL((void*)0); |
3591 | |
3592 | len = s->ext.npn_len; |
3593 | padding_len = 32 - ((len + 2) % 32); |
3594 | |
3595 | if (!WPACKET_sub_memcpy_u8(pkt, s->ext.npn, len)WPACKET_sub_memcpy__((pkt), (s->ext.npn), (len), 1) |
3596 | || !WPACKET_sub_allocate_bytes_u8(pkt, padding_len, &padding)WPACKET_sub_allocate_bytes__((pkt), (padding_len), (&padding ), 1)) { |
3597 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3597, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3598 | return 0; |
3599 | } |
3600 | |
3601 | memset(padding, 0, padding_len); |
3602 | |
3603 | return 1; |
3604 | } |
3605 | #endif |
3606 | |
3607 | MSG_PROCESS_RETURN tls_process_hello_req(SSL *s, PACKET *pkt) |
3608 | { |
3609 | if (PACKET_remaining(pkt) > 0) { |
3610 | /* should contain no data */ |
3611 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3611, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
3612 | return MSG_PROCESS_ERROR; |
3613 | } |
3614 | |
3615 | if ((s->options & SSL_OP_NO_RENEGOTIATION((uint64_t)1 << (uint64_t)30))) { |
3616 | ssl3_send_alert(s, SSL3_AL_WARNING1, SSL_AD_NO_RENEGOTIATION100); |
3617 | return MSG_PROCESS_FINISHED_READING; |
3618 | } |
3619 | |
3620 | /* |
3621 | * This is a historical discrepancy (not in the RFC) maintained for |
3622 | * compatibility reasons. If a TLS client receives a HelloRequest it will |
3623 | * attempt an abbreviated handshake. However if a DTLS client receives a |
3624 | * HelloRequest it will do a full handshake. Either behaviour is reasonable |
3625 | * but doing one for TLS and another for DTLS is odd. |
3626 | */ |
3627 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) |
3628 | SSL_renegotiate(s); |
3629 | else |
3630 | SSL_renegotiate_abbreviated(s); |
3631 | |
3632 | return MSG_PROCESS_FINISHED_READING; |
3633 | } |
3634 | |
3635 | static MSG_PROCESS_RETURN tls_process_encrypted_extensions(SSL *s, PACKET *pkt) |
3636 | { |
3637 | PACKET extensions; |
3638 | RAW_EXTENSION *rawexts = NULL((void*)0); |
3639 | |
3640 | if (!PACKET_as_length_prefixed_2(pkt, &extensions) |
3641 | || PACKET_remaining(pkt) != 0) { |
3642 | SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3642, __func__), ossl_statem_fatal)((s), (50), (159), ((void *)0)); |
3643 | goto err; |
3644 | } |
3645 | |
3646 | if (!tls_collect_extensions(s, &extensions, |
3647 | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS0x0400, &rawexts, |
3648 | NULL((void*)0), 1) |
3649 | || !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS0x0400, |
3650 | rawexts, NULL((void*)0), 0, 1)) { |
3651 | /* SSLfatal() already called */ |
3652 | goto err; |
3653 | } |
3654 | |
3655 | OPENSSL_free(rawexts)CRYPTO_free(rawexts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3655); |
3656 | return MSG_PROCESS_CONTINUE_READING; |
3657 | |
3658 | err: |
3659 | OPENSSL_free(rawexts)CRYPTO_free(rawexts, "../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3659); |
3660 | return MSG_PROCESS_ERROR; |
3661 | } |
3662 | |
3663 | int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey) |
3664 | { |
3665 | int i = 0; |
3666 | #ifndef OPENSSL_NO_ENGINE |
3667 | if (s->ctx->client_cert_engine) { |
3668 | i = tls_engine_load_ssl_client_cert(s, px509, ppkey); |
3669 | if (i != 0) |
3670 | return i; |
3671 | } |
3672 | #endif |
3673 | if (s->ctx->client_cert_cb) |
3674 | i = s->ctx->client_cert_cb(s, px509, ppkey); |
3675 | return i; |
3676 | } |
3677 | |
3678 | int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER)struct stack_st_SSL_CIPHER *sk, WPACKET *pkt) |
3679 | { |
3680 | int i; |
3681 | size_t totlen = 0, len, maxlen, maxverok = 0; |
3682 | int empty_reneg_info_scsv = !s->renegotiate; |
3683 | |
3684 | /* Set disabled masks for this session */ |
3685 | if (!ssl_set_client_disabled(s)) { |
3686 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_PROTOCOLS_AVAILABLE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3686, __func__), ossl_statem_fatal)((s), (80), (191), ((void *)0)); |
3687 | return 0; |
3688 | } |
3689 | |
3690 | if (sk == NULL((void*)0)) { |
3691 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3691, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3692 | return 0; |
3693 | } |
3694 | |
3695 | #ifdef OPENSSL_MAX_TLS1_2_CIPHER_LENGTH |
3696 | # if OPENSSL_MAX_TLS1_2_CIPHER_LENGTH < 6 |
3697 | # error Max cipher length too short |
3698 | # endif |
3699 | /* |
3700 | * Some servers hang if client hello > 256 bytes as hack workaround |
3701 | * chop number of supported ciphers to keep it well below this if we |
3702 | * use TLS v1.2 |
3703 | */ |
3704 | if (TLS1_get_version(s)((SSL_version(s) >> 8) == 0x03 ? SSL_version(s) : 0) >= TLS1_2_VERSION0x0303) |
3705 | maxlen = OPENSSL_MAX_TLS1_2_CIPHER_LENGTH & ~1; |
3706 | else |
3707 | #endif |
3708 | /* Maximum length that can be stored in 2 bytes. Length must be even */ |
3709 | maxlen = 0xfffe; |
3710 | |
3711 | if (empty_reneg_info_scsv) |
3712 | maxlen -= 2; |
3713 | if (s->mode & SSL_MODE_SEND_FALLBACK_SCSV0x00000080U) |
3714 | maxlen -= 2; |
3715 | |
3716 | for (i = 0; i < sk_SSL_CIPHER_num(sk)OPENSSL_sk_num(ossl_check_const_SSL_CIPHER_sk_type(sk)) && totlen < maxlen; i++) { |
3717 | const SSL_CIPHER *c; |
3718 | |
3719 | c = sk_SSL_CIPHER_value(sk, i)((const SSL_CIPHER *)OPENSSL_sk_value(ossl_check_const_SSL_CIPHER_sk_type (sk), (i))); |
3720 | /* Skip disabled ciphers */ |
3721 | if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED(1 | (1 << 16)), 0)) |
3722 | continue; |
3723 | |
3724 | if (!s->method->put_cipher_by_char(c, pkt, &len)) { |
3725 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3725, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3726 | return 0; |
3727 | } |
3728 | |
3729 | /* Sanity check that the maximum version we offer has ciphers enabled */ |
3730 | if (!maxverok) { |
3731 | if (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8)) { |
3732 | if (DTLS_VERSION_GE(c->max_dtls, s->s3.tmp.max_ver)((((c->max_dtls) == 0x0100) ? 0xff00 : (c->max_dtls)) <= (((s->s3.tmp.max_ver) == 0x0100) ? 0xff00 : (s->s3.tmp .max_ver))) |
3733 | && DTLS_VERSION_LE(c->min_dtls, s->s3.tmp.max_ver)((((c->min_dtls) == 0x0100) ? 0xff00 : (c->min_dtls)) >= (((s->s3.tmp.max_ver) == 0x0100) ? 0xff00 : (s->s3.tmp .max_ver)))) |
3734 | maxverok = 1; |
3735 | } else { |
3736 | if (c->max_tls >= s->s3.tmp.max_ver |
3737 | && c->min_tls <= s->s3.tmp.max_ver) |
3738 | maxverok = 1; |
3739 | } |
3740 | } |
3741 | |
3742 | totlen += len; |
3743 | } |
3744 | |
3745 | if (totlen == 0 || !maxverok) { |
3746 | const char *maxvertext = |
3747 | !maxverok |
3748 | ? "No ciphers enabled for max supported SSL/TLS version" |
3749 | : NULL((void*)0); |
3750 | |
3751 | SSLfatal_data(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3751, __func__), ossl_statem_fatal)(s, SSL_AD_INTERNAL_ERROR80, SSL_R_NO_CIPHERS_AVAILABLE181, |
3752 | maxvertext); |
3753 | return 0; |
3754 | } |
3755 | |
3756 | if (totlen != 0) { |
3757 | if (empty_reneg_info_scsv) { |
3758 | static SSL_CIPHER scsv = { |
3759 | 0, NULL((void*)0), NULL((void*)0), SSL3_CK_SCSV0x030000FF, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
3760 | }; |
3761 | if (!s->method->put_cipher_by_char(&scsv, pkt, &len)) { |
3762 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3762, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3763 | return 0; |
3764 | } |
3765 | } |
3766 | if (s->mode & SSL_MODE_SEND_FALLBACK_SCSV0x00000080U) { |
3767 | static SSL_CIPHER scsv = { |
3768 | 0, NULL((void*)0), NULL((void*)0), SSL3_CK_FALLBACK_SCSV0x03005600, 0, 0, 0, 0, 0, 0, 0, 0, 0 |
3769 | }; |
3770 | if (!s->method->put_cipher_by_char(&scsv, pkt, &len)) { |
3771 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3771, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3772 | return 0; |
3773 | } |
3774 | } |
3775 | } |
3776 | |
3777 | return 1; |
3778 | } |
3779 | |
3780 | int tls_construct_end_of_early_data(SSL *s, WPACKET *pkt) |
3781 | { |
3782 | if (s->early_data_state != SSL_EARLY_DATA_WRITE_RETRY |
3783 | && s->early_data_state != SSL_EARLY_DATA_FINISHED_WRITING) { |
3784 | SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/statem_clnt.c" , 3784, __func__), ossl_statem_fatal)((s), (80), ((257|((0x1 << 18L)|(0x2 << 18L)))), ((void*)0)); |
3785 | return 0; |
3786 | } |
3787 | |
3788 | s->early_data_state = SSL_EARLY_DATA_FINISHED_WRITING; |
3789 | return 1; |
3790 | } |