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-rw-r--r--src/lib/libssl/ssl_both.c747
1 files changed, 0 insertions, 747 deletions
diff --git a/src/lib/libssl/ssl_both.c b/src/lib/libssl/ssl_both.c
deleted file mode 100644
index 03c5a2f1e9..0000000000
--- a/src/lib/libssl/ssl_both.c
+++ /dev/null
@@ -1,747 +0,0 @@
1/* $OpenBSD: ssl_both.c,v 1.33 2021/07/01 17:53:39 jsing Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58/* ====================================================================
59 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 * notice, this list of conditions and the following disclaimer in
70 * the documentation and/or other materials provided with the
71 * distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 * software must display the following acknowledgment:
75 * "This product includes software developed by the OpenSSL Project
76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 * endorse or promote products derived from this software without
80 * prior written permission. For written permission, please contact
81 * openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 * nor may "OpenSSL" appear in their names without prior written
85 * permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 * acknowledgment:
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com). This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111/* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
116
117#include <limits.h>
118#include <stdio.h>
119#include <string.h>
120
121#include <openssl/buffer.h>
122#include <openssl/evp.h>
123#include <openssl/objects.h>
124#include <openssl/x509.h>
125
126#include "bytestring.h"
127#include "dtls_locl.h"
128#include "ssl_locl.h"
129
130/*
131 * Send s->internal->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or
132 * SSL3_RT_CHANGE_CIPHER_SPEC).
133 */
134int
135ssl3_do_write(SSL *s, int type)
136{
137 int ret;
138
139 ret = ssl3_write_bytes(s, type, &s->internal->init_buf->data[s->internal->init_off],
140 s->internal->init_num);
141 if (ret < 0)
142 return (-1);
143
144 if (type == SSL3_RT_HANDSHAKE)
145 /*
146 * Should not be done for 'Hello Request's, but in that case
147 * we'll ignore the result anyway.
148 */
149 tls1_transcript_record(s,
150 (unsigned char *)&s->internal->init_buf->data[s->internal->init_off], ret);
151
152 if (ret == s->internal->init_num) {
153 if (s->internal->msg_callback)
154 s->internal->msg_callback(1, s->version, type, s->internal->init_buf->data,
155 (size_t)(s->internal->init_off + s->internal->init_num), s,
156 s->internal->msg_callback_arg);
157 return (1);
158 }
159
160 s->internal->init_off += ret;
161 s->internal->init_num -= ret;
162
163 return (0);
164}
165
166int
167ssl3_send_finished(SSL *s, int state_a, int state_b)
168{
169 CBB cbb, finished;
170
171 memset(&cbb, 0, sizeof(cbb));
172
173 if (S3I(s)->hs.state == state_a) {
174 if (!tls12_derive_finished(s))
175 goto err;
176
177 /* Copy finished so we can use it for renegotiation checks. */
178 if (!s->server) {
179 memcpy(S3I(s)->previous_client_finished,
180 S3I(s)->hs.finished, S3I(s)->hs.finished_len);
181 S3I(s)->previous_client_finished_len =
182 S3I(s)->hs.finished_len;
183 } else {
184 memcpy(S3I(s)->previous_server_finished,
185 S3I(s)->hs.finished, S3I(s)->hs.finished_len);
186 S3I(s)->previous_server_finished_len =
187 S3I(s)->hs.finished_len;
188 }
189
190 if (!ssl3_handshake_msg_start(s, &cbb, &finished,
191 SSL3_MT_FINISHED))
192 goto err;
193 if (!CBB_add_bytes(&finished, S3I(s)->hs.finished,
194 S3I(s)->hs.finished_len))
195 goto err;
196 if (!ssl3_handshake_msg_finish(s, &cbb))
197 goto err;
198
199 S3I(s)->hs.state = state_b;
200 }
201
202 return (ssl3_handshake_write(s));
203
204 err:
205 CBB_cleanup(&cbb);
206
207 return (-1);
208}
209
210int
211ssl3_get_finished(SSL *s, int a, int b)
212{
213 int al, ok, md_len;
214 long n;
215 CBS cbs;
216
217 /* should actually be 36+4 :-) */
218 n = ssl3_get_message(s, a, b, SSL3_MT_FINISHED, 64, &ok);
219 if (!ok)
220 return ((int)n);
221
222 /* If this occurs, we have missed a message */
223 if (!S3I(s)->change_cipher_spec) {
224 al = SSL_AD_UNEXPECTED_MESSAGE;
225 SSLerror(s, SSL_R_GOT_A_FIN_BEFORE_A_CCS);
226 goto fatal_err;
227 }
228 S3I(s)->change_cipher_spec = 0;
229
230 md_len = TLS1_FINISH_MAC_LENGTH;
231
232 if (n < 0) {
233 al = SSL_AD_DECODE_ERROR;
234 SSLerror(s, SSL_R_BAD_DIGEST_LENGTH);
235 goto fatal_err;
236 }
237
238 CBS_init(&cbs, s->internal->init_msg, n);
239
240 if (S3I(s)->hs.peer_finished_len != md_len ||
241 CBS_len(&cbs) != md_len) {
242 al = SSL_AD_DECODE_ERROR;
243 SSLerror(s, SSL_R_BAD_DIGEST_LENGTH);
244 goto fatal_err;
245 }
246
247 if (!CBS_mem_equal(&cbs, S3I(s)->hs.peer_finished, CBS_len(&cbs))) {
248 al = SSL_AD_DECRYPT_ERROR;
249 SSLerror(s, SSL_R_DIGEST_CHECK_FAILED);
250 goto fatal_err;
251 }
252
253 /* Copy finished so we can use it for renegotiation checks. */
254 OPENSSL_assert(md_len <= EVP_MAX_MD_SIZE);
255 if (s->server) {
256 memcpy(S3I(s)->previous_client_finished,
257 S3I(s)->hs.peer_finished, md_len);
258 S3I(s)->previous_client_finished_len = md_len;
259 } else {
260 memcpy(S3I(s)->previous_server_finished,
261 S3I(s)->hs.peer_finished, md_len);
262 S3I(s)->previous_server_finished_len = md_len;
263 }
264
265 return (1);
266 fatal_err:
267 ssl3_send_alert(s, SSL3_AL_FATAL, al);
268 return (0);
269}
270
271int
272ssl3_send_change_cipher_spec(SSL *s, int a, int b)
273{
274 size_t outlen;
275 CBB cbb;
276
277 memset(&cbb, 0, sizeof(cbb));
278
279 if (S3I(s)->hs.state == a) {
280 if (!CBB_init_fixed(&cbb, s->internal->init_buf->data,
281 s->internal->init_buf->length))
282 goto err;
283 if (!CBB_add_u8(&cbb, SSL3_MT_CCS))
284 goto err;
285 if (!CBB_finish(&cbb, NULL, &outlen))
286 goto err;
287
288 if (outlen > INT_MAX)
289 goto err;
290
291 s->internal->init_num = (int)outlen;
292 s->internal->init_off = 0;
293
294 if (SSL_is_dtls(s)) {
295 D1I(s)->handshake_write_seq =
296 D1I(s)->next_handshake_write_seq;
297 dtls1_set_message_header_int(s, SSL3_MT_CCS, 0,
298 D1I(s)->handshake_write_seq, 0, 0);
299 dtls1_buffer_message(s, 1);
300 }
301
302 S3I(s)->hs.state = b;
303 }
304
305 /* SSL3_ST_CW_CHANGE_B */
306 return ssl3_record_write(s, SSL3_RT_CHANGE_CIPHER_SPEC);
307
308 err:
309 CBB_cleanup(&cbb);
310
311 return -1;
312}
313
314static int
315ssl3_add_cert(CBB *cbb, X509 *x)
316{
317 unsigned char *data;
318 int cert_len;
319 int ret = 0;
320 CBB cert;
321
322 if ((cert_len = i2d_X509(x, NULL)) < 0)
323 goto err;
324
325 if (!CBB_add_u24_length_prefixed(cbb, &cert))
326 goto err;
327 if (!CBB_add_space(&cert, &data, cert_len))
328 goto err;
329 if (i2d_X509(x, &data) < 0)
330 goto err;
331 if (!CBB_flush(cbb))
332 goto err;
333
334 ret = 1;
335
336 err:
337 return (ret);
338}
339
340int
341ssl3_output_cert_chain(SSL *s, CBB *cbb, CERT_PKEY *cpk)
342{
343 X509_STORE_CTX *xs_ctx = NULL;
344 STACK_OF(X509) *chain;
345 CBB cert_list;
346 X509 *x;
347 int ret = 0;
348 int i;
349
350 if (!CBB_add_u24_length_prefixed(cbb, &cert_list))
351 goto err;
352
353 /* Send an empty certificate list when no certificate is available. */
354 if (cpk == NULL)
355 goto done;
356
357 if ((chain = cpk->chain) == NULL)
358 chain = s->ctx->extra_certs;
359
360 if (chain != NULL || (s->internal->mode & SSL_MODE_NO_AUTO_CHAIN)) {
361 if (!ssl3_add_cert(&cert_list, cpk->x509))
362 goto err;
363 } else {
364 if ((xs_ctx = X509_STORE_CTX_new()) == NULL)
365 goto err;
366 if (!X509_STORE_CTX_init(xs_ctx, s->ctx->cert_store,
367 cpk->x509, NULL)) {
368 SSLerror(s, ERR_R_X509_LIB);
369 goto err;
370 }
371 X509_VERIFY_PARAM_set_flags(X509_STORE_CTX_get0_param(xs_ctx),
372 X509_V_FLAG_LEGACY_VERIFY);
373 X509_verify_cert(xs_ctx);
374 ERR_clear_error();
375 chain = xs_ctx->chain;
376 }
377
378 for (i = 0; i < sk_X509_num(chain); i++) {
379 x = sk_X509_value(chain, i);
380 if (!ssl3_add_cert(&cert_list, x))
381 goto err;
382 }
383
384 done:
385 if (!CBB_flush(cbb))
386 goto err;
387
388 ret = 1;
389
390 err:
391 X509_STORE_CTX_free(xs_ctx);
392
393 return (ret);
394}
395
396/*
397 * Obtain handshake message of message type 'mt' (any if mt == -1),
398 * maximum acceptable body length 'max'.
399 * The first four bytes (msg_type and length) are read in state 'st1',
400 * the body is read in state 'stn'.
401 */
402long
403ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
404{
405 unsigned char *p;
406 uint32_t l;
407 long n;
408 int i, al;
409 CBS cbs;
410 uint8_t u8;
411
412 if (SSL_is_dtls(s))
413 return (dtls1_get_message(s, st1, stn, mt, max, ok));
414
415 if (S3I(s)->hs.tls12.reuse_message) {
416 S3I(s)->hs.tls12.reuse_message = 0;
417 if ((mt >= 0) && (S3I(s)->hs.tls12.message_type != mt)) {
418 al = SSL_AD_UNEXPECTED_MESSAGE;
419 SSLerror(s, SSL_R_UNEXPECTED_MESSAGE);
420 goto fatal_err;
421 }
422 *ok = 1;
423 s->internal->init_msg = s->internal->init_buf->data + 4;
424 s->internal->init_num = (int)S3I(s)->hs.tls12.message_size;
425 return s->internal->init_num;
426 }
427
428 p = (unsigned char *)s->internal->init_buf->data;
429
430 /* s->internal->init_num < 4 */
431 if (S3I(s)->hs.state == st1) {
432 int skip_message;
433
434 do {
435 while (s->internal->init_num < 4) {
436 i = s->method->ssl_read_bytes(s,
437 SSL3_RT_HANDSHAKE, &p[s->internal->init_num],
438 4 - s->internal->init_num, 0);
439 if (i <= 0) {
440 s->internal->rwstate = SSL_READING;
441 *ok = 0;
442 return i;
443 }
444 s->internal->init_num += i;
445 }
446
447 skip_message = 0;
448 if (!s->server && p[0] == SSL3_MT_HELLO_REQUEST) {
449 /*
450 * The server may always send 'Hello Request'
451 * messages -- we are doing a handshake anyway
452 * now, so ignore them if their format is
453 * correct. Does not count for 'Finished' MAC.
454 */
455 if (p[1] == 0 && p[2] == 0 &&p[3] == 0) {
456 s->internal->init_num = 0;
457 skip_message = 1;
458
459 if (s->internal->msg_callback)
460 s->internal->msg_callback(0, s->version,
461 SSL3_RT_HANDSHAKE, p, 4, s,
462 s->internal->msg_callback_arg);
463 }
464 }
465 } while (skip_message);
466
467 /* s->internal->init_num == 4 */
468
469 if ((mt >= 0) && (*p != mt)) {
470 al = SSL_AD_UNEXPECTED_MESSAGE;
471 SSLerror(s, SSL_R_UNEXPECTED_MESSAGE);
472 goto fatal_err;
473 }
474
475 CBS_init(&cbs, p, 4);
476 if (!CBS_get_u8(&cbs, &u8) ||
477 !CBS_get_u24(&cbs, &l)) {
478 SSLerror(s, ERR_R_BUF_LIB);
479 goto err;
480 }
481 S3I(s)->hs.tls12.message_type = u8;
482
483 if (l > (unsigned long)max) {
484 al = SSL_AD_ILLEGAL_PARAMETER;
485 SSLerror(s, SSL_R_EXCESSIVE_MESSAGE_SIZE);
486 goto fatal_err;
487 }
488 if (l && !BUF_MEM_grow_clean(s->internal->init_buf, l + 4)) {
489 SSLerror(s, ERR_R_BUF_LIB);
490 goto err;
491 }
492 S3I(s)->hs.tls12.message_size = l;
493 S3I(s)->hs.state = stn;
494
495 s->internal->init_msg = s->internal->init_buf->data + 4;
496 s->internal->init_num = 0;
497 }
498
499 /* next state (stn) */
500 p = s->internal->init_msg;
501 n = S3I(s)->hs.tls12.message_size - s->internal->init_num;
502 while (n > 0) {
503 i = s->method->ssl_read_bytes(s, SSL3_RT_HANDSHAKE,
504 &p[s->internal->init_num], n, 0);
505 if (i <= 0) {
506 s->internal->rwstate = SSL_READING;
507 *ok = 0;
508 return i;
509 }
510 s->internal->init_num += i;
511 n -= i;
512 }
513
514 /* Feed this message into MAC computation. */
515 if (s->internal->mac_packet) {
516 tls1_transcript_record(s, (unsigned char *)s->internal->init_buf->data,
517 s->internal->init_num + 4);
518
519 if (s->internal->msg_callback)
520 s->internal->msg_callback(0, s->version,
521 SSL3_RT_HANDSHAKE, s->internal->init_buf->data,
522 (size_t)s->internal->init_num + 4, s,
523 s->internal->msg_callback_arg);
524 }
525
526 *ok = 1;
527 return (s->internal->init_num);
528
529 fatal_err:
530 ssl3_send_alert(s, SSL3_AL_FATAL, al);
531 err:
532 *ok = 0;
533 return (-1);
534}
535
536int
537ssl_cert_type(X509 *x, EVP_PKEY *pkey)
538{
539 EVP_PKEY *pk;
540 int ret = -1, i;
541
542 if (pkey == NULL)
543 pk = X509_get_pubkey(x);
544 else
545 pk = pkey;
546 if (pk == NULL)
547 goto err;
548
549 i = pk->type;
550 if (i == EVP_PKEY_RSA) {
551 ret = SSL_PKEY_RSA;
552 } else if (i == EVP_PKEY_EC) {
553 ret = SSL_PKEY_ECC;
554 } else if (i == NID_id_GostR3410_2001 ||
555 i == NID_id_GostR3410_2001_cc) {
556 ret = SSL_PKEY_GOST01;
557 }
558
559 err:
560 if (!pkey)
561 EVP_PKEY_free(pk);
562 return (ret);
563}
564
565int
566ssl_verify_alarm_type(long type)
567{
568 int al;
569
570 switch (type) {
571 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
572 case X509_V_ERR_UNABLE_TO_GET_CRL:
573 case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
574 al = SSL_AD_UNKNOWN_CA;
575 break;
576 case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
577 case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
578 case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
579 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
580 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
581 case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
582 case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
583 case X509_V_ERR_CERT_NOT_YET_VALID:
584 case X509_V_ERR_CRL_NOT_YET_VALID:
585 case X509_V_ERR_CERT_UNTRUSTED:
586 case X509_V_ERR_CERT_REJECTED:
587 al = SSL_AD_BAD_CERTIFICATE;
588 break;
589 case X509_V_ERR_CERT_SIGNATURE_FAILURE:
590 case X509_V_ERR_CRL_SIGNATURE_FAILURE:
591 al = SSL_AD_DECRYPT_ERROR;
592 break;
593 case X509_V_ERR_CERT_HAS_EXPIRED:
594 case X509_V_ERR_CRL_HAS_EXPIRED:
595 al = SSL_AD_CERTIFICATE_EXPIRED;
596 break;
597 case X509_V_ERR_CERT_REVOKED:
598 al = SSL_AD_CERTIFICATE_REVOKED;
599 break;
600 case X509_V_ERR_OUT_OF_MEM:
601 al = SSL_AD_INTERNAL_ERROR;
602 break;
603 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
604 case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
605 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
606 case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
607 case X509_V_ERR_CERT_CHAIN_TOO_LONG:
608 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
609 case X509_V_ERR_INVALID_CA:
610 al = SSL_AD_UNKNOWN_CA;
611 break;
612 case X509_V_ERR_APPLICATION_VERIFICATION:
613 al = SSL_AD_HANDSHAKE_FAILURE;
614 break;
615 case X509_V_ERR_INVALID_PURPOSE:
616 al = SSL_AD_UNSUPPORTED_CERTIFICATE;
617 break;
618 default:
619 al = SSL_AD_CERTIFICATE_UNKNOWN;
620 break;
621 }
622 return (al);
623}
624
625int
626ssl3_setup_init_buffer(SSL *s)
627{
628 BUF_MEM *buf = NULL;
629
630 if (s->internal->init_buf != NULL)
631 return (1);
632
633 if ((buf = BUF_MEM_new()) == NULL)
634 goto err;
635 if (!BUF_MEM_grow(buf, SSL3_RT_MAX_PLAIN_LENGTH))
636 goto err;
637
638 s->internal->init_buf = buf;
639 return (1);
640
641 err:
642 BUF_MEM_free(buf);
643 return (0);
644}
645
646void
647ssl3_release_init_buffer(SSL *s)
648{
649 BUF_MEM_free(s->internal->init_buf);
650 s->internal->init_buf = NULL;
651 s->internal->init_msg = NULL;
652 s->internal->init_num = 0;
653 s->internal->init_off = 0;
654}
655
656int
657ssl3_setup_read_buffer(SSL *s)
658{
659 unsigned char *p;
660 size_t len, align, headerlen;
661
662 if (SSL_is_dtls(s))
663 headerlen = DTLS1_RT_HEADER_LENGTH;
664 else
665 headerlen = SSL3_RT_HEADER_LENGTH;
666
667 align = (-SSL3_RT_HEADER_LENGTH) & (SSL3_ALIGN_PAYLOAD - 1);
668
669 if (S3I(s)->rbuf.buf == NULL) {
670 len = SSL3_RT_MAX_PLAIN_LENGTH +
671 SSL3_RT_MAX_ENCRYPTED_OVERHEAD + headerlen + align;
672 if ((p = calloc(1, len)) == NULL)
673 goto err;
674 S3I(s)->rbuf.buf = p;
675 S3I(s)->rbuf.len = len;
676 }
677
678 s->internal->packet = S3I(s)->rbuf.buf;
679 return 1;
680
681 err:
682 SSLerror(s, ERR_R_MALLOC_FAILURE);
683 return 0;
684}
685
686int
687ssl3_setup_write_buffer(SSL *s)
688{
689 unsigned char *p;
690 size_t len, align, headerlen;
691
692 if (SSL_is_dtls(s))
693 headerlen = DTLS1_RT_HEADER_LENGTH + 1;
694 else
695 headerlen = SSL3_RT_HEADER_LENGTH;
696
697 align = (-SSL3_RT_HEADER_LENGTH) & (SSL3_ALIGN_PAYLOAD - 1);
698
699 if (S3I(s)->wbuf.buf == NULL) {
700 len = s->max_send_fragment +
701 SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD + headerlen + align;
702 if (!(s->internal->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
703 len += headerlen + align +
704 SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;
705
706 if ((p = calloc(1, len)) == NULL)
707 goto err;
708 S3I(s)->wbuf.buf = p;
709 S3I(s)->wbuf.len = len;
710 }
711
712 return 1;
713
714 err:
715 SSLerror(s, ERR_R_MALLOC_FAILURE);
716 return 0;
717}
718
719int
720ssl3_setup_buffers(SSL *s)
721{
722 if (!ssl3_setup_read_buffer(s))
723 return 0;
724 if (!ssl3_setup_write_buffer(s))
725 return 0;
726 return 1;
727}
728
729void
730ssl3_release_buffer(SSL3_BUFFER_INTERNAL *b)
731{
732 freezero(b->buf, b->len);
733 b->buf = NULL;
734 b->len = 0;
735}
736
737void
738ssl3_release_read_buffer(SSL *s)
739{
740 ssl3_release_buffer(&S3I(s)->rbuf);
741}
742
743void
744ssl3_release_write_buffer(SSL *s)
745{
746 ssl3_release_buffer(&S3I(s)->wbuf);
747}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2026-02-12 17:37:06 +0000