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-rw-r--r--src/lib/libssl/s3_both.c622
1 files changed, 0 insertions, 622 deletions
diff --git a/src/lib/libssl/s3_both.c b/src/lib/libssl/s3_both.c
deleted file mode 100644
index 2ecfbb77cb..0000000000
--- a/src/lib/libssl/s3_both.c
+++ /dev/null
@@ -1,622 +0,0 @@
1/* ssl/s3_both.c */
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 <string.h>
119#include <stdio.h>
120#include "ssl_locl.h"
121#include <openssl/buffer.h>
122#include <openssl/rand.h>
123#include <openssl/objects.h>
124#include <openssl/evp.h>
125#include <openssl/x509.h>
126
127/* send s->init_buf in records of type 'type' (SSL3_RT_HANDSHAKE or SSL3_RT_CHANGE_CIPHER_SPEC) */
128int ssl3_do_write(SSL *s, int type)
129 {
130 int ret;
131
132 ret=ssl3_write_bytes(s,type,&s->init_buf->data[s->init_off],
133 s->init_num);
134 if (ret < 0) return(-1);
135 if (type == SSL3_RT_HANDSHAKE)
136 /* should not be done for 'Hello Request's, but in that case
137 * we'll ignore the result anyway */
138 ssl3_finish_mac(s,(unsigned char *)&s->init_buf->data[s->init_off],ret);
139
140 if (ret == s->init_num)
141 {
142 if (s->msg_callback)
143 s->msg_callback(1, s->version, type, s->init_buf->data, (size_t)(s->init_off + s->init_num), s, s->msg_callback_arg);
144 return(1);
145 }
146 s->init_off+=ret;
147 s->init_num-=ret;
148 return(0);
149 }
150
151int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen)
152 {
153 unsigned char *p,*d;
154 int i;
155 unsigned long l;
156
157 if (s->state == a)
158 {
159 d=(unsigned char *)s->init_buf->data;
160 p= &(d[4]);
161
162 i=s->method->ssl3_enc->final_finish_mac(s,
163 &(s->s3->finish_dgst1),
164 &(s->s3->finish_dgst2),
165 sender,slen,s->s3->tmp.finish_md);
166 s->s3->tmp.finish_md_len = i;
167 memcpy(p, s->s3->tmp.finish_md, i);
168 p+=i;
169 l=i;
170
171#ifdef OPENSSL_SYS_WIN16
172 /* MSVC 1.5 does not clear the top bytes of the word unless
173 * I do this.
174 */
175 l&=0xffff;
176#endif
177
178 *(d++)=SSL3_MT_FINISHED;
179 l2n3(l,d);
180 s->init_num=(int)l+4;
181 s->init_off=0;
182
183 s->state=b;
184 }
185
186 /* SSL3_ST_SEND_xxxxxx_HELLO_B */
187 return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));
188 }
189
190int ssl3_get_finished(SSL *s, int a, int b)
191 {
192 int al,i,ok;
193 long n;
194 unsigned char *p;
195
196 /* the mac has already been generated when we received the
197 * change cipher spec message and is in s->s3->tmp.peer_finish_md
198 */
199
200 n=s->method->ssl_get_message(s,
201 a,
202 b,
203 SSL3_MT_FINISHED,
204 64, /* should actually be 36+4 :-) */
205 &ok);
206
207 if (!ok) return((int)n);
208
209 /* If this occurs, we have missed a message */
210 if (!s->s3->change_cipher_spec)
211 {
212 al=SSL_AD_UNEXPECTED_MESSAGE;
213 SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_GOT_A_FIN_BEFORE_A_CCS);
214 goto f_err;
215 }
216 s->s3->change_cipher_spec=0;
217
218 p = (unsigned char *)s->init_msg;
219 i = s->s3->tmp.peer_finish_md_len;
220
221 if (i != n)
222 {
223 al=SSL_AD_DECODE_ERROR;
224 SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_BAD_DIGEST_LENGTH);
225 goto f_err;
226 }
227
228 if (memcmp(p, s->s3->tmp.peer_finish_md, i) != 0)
229 {
230 al=SSL_AD_DECRYPT_ERROR;
231 SSLerr(SSL_F_SSL3_GET_FINISHED,SSL_R_DIGEST_CHECK_FAILED);
232 goto f_err;
233 }
234
235 return(1);
236f_err:
237 ssl3_send_alert(s,SSL3_AL_FATAL,al);
238 return(0);
239 }
240
241/* for these 2 messages, we need to
242 * ssl->enc_read_ctx re-init
243 * ssl->s3->read_sequence zero
244 * ssl->s3->read_mac_secret re-init
245 * ssl->session->read_sym_enc assign
246 * ssl->session->read_compression assign
247 * ssl->session->read_hash assign
248 */
249int ssl3_send_change_cipher_spec(SSL *s, int a, int b)
250 {
251 unsigned char *p;
252
253 if (s->state == a)
254 {
255 p=(unsigned char *)s->init_buf->data;
256 *p=SSL3_MT_CCS;
257 s->init_num=1;
258 s->init_off=0;
259
260 s->state=b;
261 }
262
263 /* SSL3_ST_CW_CHANGE_B */
264 return(ssl3_do_write(s,SSL3_RT_CHANGE_CIPHER_SPEC));
265 }
266
267unsigned long ssl3_output_cert_chain(SSL *s, X509 *x)
268 {
269 unsigned char *p;
270 int n,i;
271 unsigned long l=7;
272 BUF_MEM *buf;
273 X509_STORE_CTX xs_ctx;
274 X509_OBJECT obj;
275
276 int no_chain;
277
278 if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || s->ctx->extra_certs)
279 no_chain = 1;
280 else
281 no_chain = 0;
282
283 /* TLSv1 sends a chain with nothing in it, instead of an alert */
284 buf=s->init_buf;
285 if (!BUF_MEM_grow_clean(buf,10))
286 {
287 SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
288 return(0);
289 }
290 if (x != NULL)
291 {
292 if(!no_chain && !X509_STORE_CTX_init(&xs_ctx,s->ctx->cert_store,NULL,NULL))
293 {
294 SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_X509_LIB);
295 return(0);
296 }
297
298 for (;;)
299 {
300 n=i2d_X509(x,NULL);
301 if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))
302 {
303 SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
304 return(0);
305 }
306 p=(unsigned char *)&(buf->data[l]);
307 l2n3(n,p);
308 i2d_X509(x,&p);
309 l+=n+3;
310
311 if (no_chain)
312 break;
313
314 if (X509_NAME_cmp(X509_get_subject_name(x),
315 X509_get_issuer_name(x)) == 0) break;
316
317 i=X509_STORE_get_by_subject(&xs_ctx,X509_LU_X509,
318 X509_get_issuer_name(x),&obj);
319 if (i <= 0) break;
320 x=obj.data.x509;
321 /* Count is one too high since the X509_STORE_get uped the
322 * ref count */
323 X509_free(x);
324 }
325 if (!no_chain)
326 X509_STORE_CTX_cleanup(&xs_ctx);
327 }
328
329 /* Thawte special :-) */
330 if (s->ctx->extra_certs != NULL)
331 for (i=0; i<sk_X509_num(s->ctx->extra_certs); i++)
332 {
333 x=sk_X509_value(s->ctx->extra_certs,i);
334 n=i2d_X509(x,NULL);
335 if (!BUF_MEM_grow_clean(buf,(int)(n+l+3)))
336 {
337 SSLerr(SSL_F_SSL3_OUTPUT_CERT_CHAIN,ERR_R_BUF_LIB);
338 return(0);
339 }
340 p=(unsigned char *)&(buf->data[l]);
341 l2n3(n,p);
342 i2d_X509(x,&p);
343 l+=n+3;
344 }
345
346 l-=7;
347 p=(unsigned char *)&(buf->data[4]);
348 l2n3(l,p);
349 l+=3;
350 p=(unsigned char *)&(buf->data[0]);
351 *(p++)=SSL3_MT_CERTIFICATE;
352 l2n3(l,p);
353 l+=4;
354 return(l);
355 }
356
357/* Obtain handshake message of message type 'mt' (any if mt == -1),
358 * maximum acceptable body length 'max'.
359 * The first four bytes (msg_type and length) are read in state 'st1',
360 * the body is read in state 'stn'.
361 */
362long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok)
363 {
364 unsigned char *p;
365 unsigned long l;
366 long n;
367 int i,al;
368
369 if (s->s3->tmp.reuse_message)
370 {
371 s->s3->tmp.reuse_message=0;
372 if ((mt >= 0) && (s->s3->tmp.message_type != mt))
373 {
374 al=SSL_AD_UNEXPECTED_MESSAGE;
375 SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
376 goto f_err;
377 }
378 *ok=1;
379 s->init_msg = s->init_buf->data + 4;
380 s->init_num = (int)s->s3->tmp.message_size;
381 return s->init_num;
382 }
383
384 p=(unsigned char *)s->init_buf->data;
385
386 if (s->state == st1) /* s->init_num < 4 */
387 {
388 int skip_message;
389
390 do
391 {
392 while (s->init_num < 4)
393 {
394 i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,
395 &p[s->init_num],4 - s->init_num, 0);
396 if (i <= 0)
397 {
398 s->rwstate=SSL_READING;
399 *ok = 0;
400 return i;
401 }
402 s->init_num+=i;
403 }
404
405 skip_message = 0;
406 if (!s->server)
407 if (p[0] == SSL3_MT_HELLO_REQUEST)
408 /* The server may always send 'Hello Request' messages --
409 * we are doing a handshake anyway now, so ignore them
410 * if their format is correct. Does not count for
411 * 'Finished' MAC. */
412 if (p[1] == 0 && p[2] == 0 &&p[3] == 0)
413 {
414 s->init_num = 0;
415 skip_message = 1;
416
417 if (s->msg_callback)
418 s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, p, 4, s, s->msg_callback_arg);
419 }
420 }
421 while (skip_message);
422
423 /* s->init_num == 4 */
424
425 if ((mt >= 0) && (*p != mt))
426 {
427 al=SSL_AD_UNEXPECTED_MESSAGE;
428 SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_UNEXPECTED_MESSAGE);
429 goto f_err;
430 }
431 if ((mt < 0) && (*p == SSL3_MT_CLIENT_HELLO) &&
432 (st1 == SSL3_ST_SR_CERT_A) &&
433 (stn == SSL3_ST_SR_CERT_B))
434 {
435 /* At this point we have got an MS SGC second client
436 * hello (maybe we should always allow the client to
437 * start a new handshake?). We need to restart the mac.
438 * Don't increment {num,total}_renegotiations because
439 * we have not completed the handshake. */
440 ssl3_init_finished_mac(s);
441 }
442
443 s->s3->tmp.message_type= *(p++);
444
445 n2l3(p,l);
446 if (l > (unsigned long)max)
447 {
448 al=SSL_AD_ILLEGAL_PARAMETER;
449 SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
450 goto f_err;
451 }
452 if (l > (INT_MAX-4)) /* BUF_MEM_grow takes an 'int' parameter */
453 {
454 al=SSL_AD_ILLEGAL_PARAMETER;
455 SSLerr(SSL_F_SSL3_GET_MESSAGE,SSL_R_EXCESSIVE_MESSAGE_SIZE);
456 goto f_err;
457 }
458 if (l && !BUF_MEM_grow_clean(s->init_buf,(int)l+4))
459 {
460 SSLerr(SSL_F_SSL3_GET_MESSAGE,ERR_R_BUF_LIB);
461 goto err;
462 }
463 s->s3->tmp.message_size=l;
464 s->state=stn;
465
466 s->init_msg = s->init_buf->data + 4;
467 s->init_num = 0;
468 }
469
470 /* next state (stn) */
471 p = s->init_msg;
472 n = s->s3->tmp.message_size - s->init_num;
473 while (n > 0)
474 {
475 i=s->method->ssl_read_bytes(s,SSL3_RT_HANDSHAKE,&p[s->init_num],n,0);
476 if (i <= 0)
477 {
478 s->rwstate=SSL_READING;
479 *ok = 0;
480 return i;
481 }
482 s->init_num += i;
483 n -= i;
484 }
485 ssl3_finish_mac(s, (unsigned char *)s->init_buf->data, s->init_num + 4);
486 if (s->msg_callback)
487 s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data, (size_t)s->init_num + 4, s, s->msg_callback_arg);
488 *ok=1;
489 return s->init_num;
490f_err:
491 ssl3_send_alert(s,SSL3_AL_FATAL,al);
492err:
493 *ok=0;
494 return(-1);
495 }
496
497int ssl_cert_type(X509 *x, EVP_PKEY *pkey)
498 {
499 EVP_PKEY *pk;
500 int ret= -1,i;
501
502 if (pkey == NULL)
503 pk=X509_get_pubkey(x);
504 else
505 pk=pkey;
506 if (pk == NULL) goto err;
507
508 i=pk->type;
509 if (i == EVP_PKEY_RSA)
510 {
511 ret=SSL_PKEY_RSA_ENC;
512 }
513 else if (i == EVP_PKEY_DSA)
514 {
515 ret=SSL_PKEY_DSA_SIGN;
516 }
517#ifndef OPENSSL_NO_EC
518 else if (i == EVP_PKEY_EC)
519 {
520 ret = SSL_PKEY_ECC;
521 }
522#endif
523
524err:
525 if(!pkey) EVP_PKEY_free(pk);
526 return(ret);
527 }
528
529int ssl_verify_alarm_type(long type)
530 {
531 int al;
532
533 switch(type)
534 {
535 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
536 case X509_V_ERR_UNABLE_TO_GET_CRL:
537 case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
538 al=SSL_AD_UNKNOWN_CA;
539 break;
540 case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
541 case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
542 case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
543 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
544 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
545 case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
546 case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
547 case X509_V_ERR_CERT_NOT_YET_VALID:
548 case X509_V_ERR_CRL_NOT_YET_VALID:
549 case X509_V_ERR_CERT_UNTRUSTED:
550 case X509_V_ERR_CERT_REJECTED:
551 al=SSL_AD_BAD_CERTIFICATE;
552 break;
553 case X509_V_ERR_CERT_SIGNATURE_FAILURE:
554 case X509_V_ERR_CRL_SIGNATURE_FAILURE:
555 al=SSL_AD_DECRYPT_ERROR;
556 break;
557 case X509_V_ERR_CERT_HAS_EXPIRED:
558 case X509_V_ERR_CRL_HAS_EXPIRED:
559 al=SSL_AD_CERTIFICATE_EXPIRED;
560 break;
561 case X509_V_ERR_CERT_REVOKED:
562 al=SSL_AD_CERTIFICATE_REVOKED;
563 break;
564 case X509_V_ERR_OUT_OF_MEM:
565 al=SSL_AD_INTERNAL_ERROR;
566 break;
567 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
568 case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
569 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
570 case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
571 case X509_V_ERR_CERT_CHAIN_TOO_LONG:
572 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
573 case X509_V_ERR_INVALID_CA:
574 al=SSL_AD_UNKNOWN_CA;
575 break;
576 case X509_V_ERR_APPLICATION_VERIFICATION:
577 al=SSL_AD_HANDSHAKE_FAILURE;
578 break;
579 case X509_V_ERR_INVALID_PURPOSE:
580 al=SSL_AD_UNSUPPORTED_CERTIFICATE;
581 break;
582 default:
583 al=SSL_AD_CERTIFICATE_UNKNOWN;
584 break;
585 }
586 return(al);
587 }
588
589int ssl3_setup_buffers(SSL *s)
590 {
591 unsigned char *p;
592 unsigned int extra;
593 size_t len;
594
595 if (s->s3->rbuf.buf == NULL)
596 {
597 if (s->options & SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER)
598 extra=SSL3_RT_MAX_EXTRA;
599 else
600 extra=0;
601 len = SSL3_RT_MAX_PACKET_SIZE + extra;
602 if ((p=OPENSSL_malloc(len)) == NULL)
603 goto err;
604 s->s3->rbuf.buf = p;
605 s->s3->rbuf.len = len;
606 }
607
608 if (s->s3->wbuf.buf == NULL)
609 {
610 len = SSL3_RT_MAX_PACKET_SIZE;
611 len += SSL3_RT_HEADER_LENGTH + 256; /* extra space for empty fragment */
612 if ((p=OPENSSL_malloc(len)) == NULL)
613 goto err;
614 s->s3->wbuf.buf = p;
615 s->s3->wbuf.len = len;
616 }
617 s->packet= &(s->s3->rbuf.buf[0]);
618 return(1);
619err:
620 SSLerr(SSL_F_SSL3_SETUP_BUFFERS,ERR_R_MALLOC_FAILURE);
621 return(0);
622 }
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