2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
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.
117 #ifndef HEADER_SSL3_H
118 # define HEADER_SSL3_H
120 # ifndef OPENSSL_NO_COMP
121 # include <openssl/comp.h>
123 # include <openssl/buffer.h>
124 # include <openssl/evp.h>
125 # include <openssl/ssl.h>
126 # include <openssl/pq_compat.h>
133 * Signalling cipher suite value from RFC 5746
134 * (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
136 # define SSL3_CK_SCSV 0x030000FF
139 * Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
140 * (TLS_FALLBACK_SCSV)
142 # define SSL3_CK_FALLBACK_SCSV 0x03005600
144 # define SSL3_CK_RSA_NULL_MD5 0x03000001
145 # define SSL3_CK_RSA_NULL_SHA 0x03000002
146 # define SSL3_CK_RSA_RC4_40_MD5 0x03000003
147 # define SSL3_CK_RSA_RC4_128_MD5 0x03000004
148 # define SSL3_CK_RSA_RC4_128_SHA 0x03000005
149 # define SSL3_CK_RSA_RC2_40_MD5 0x03000006
150 # define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
151 # define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
152 # define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
153 # define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
155 # define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
156 # define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
157 # define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D
158 # define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
159 # define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
160 # define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
162 # define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011
163 # define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012
164 # define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013
165 # define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014
166 # define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015
167 # define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016
169 # define SSL3_CK_ADH_RC4_40_MD5 0x03000017
170 # define SSL3_CK_ADH_RC4_128_MD5 0x03000018
171 # define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
172 # define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
173 # define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
175 # define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C
176 # define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D
177 # if 0 /* Because it clashes with KRB5, is never
178 * used any more, and is safe to remove
179 * according to David Hopwood
180 * <david.hopwood@zetnet.co.uk> of the
182 # define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E
186 * VRS Additional Kerberos5 entries
188 # define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E
189 # define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F
190 # define SSL3_CK_KRB5_RC4_128_SHA 0x03000020
191 # define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021
192 # define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022
193 # define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023
194 # define SSL3_CK_KRB5_RC4_128_MD5 0x03000024
195 # define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025
197 # define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026
198 # define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027
199 # define SSL3_CK_KRB5_RC4_40_SHA 0x03000028
200 # define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029
201 # define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A
202 # define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B
204 # define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
205 # define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
206 # define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5"
207 # define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
208 # define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
209 # define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
210 # define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
211 # define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
212 # define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
213 # define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
215 # define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
216 # define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
217 # define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA"
218 # define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
219 # define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
220 # define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
222 # define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
223 # define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
224 # define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
225 # define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
226 # define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
227 # define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
229 # define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
230 # define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
231 # define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
232 # define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
233 # define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
235 # define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA"
236 # define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA"
237 # define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA"
239 # define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA"
240 # define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA"
241 # define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA"
242 # define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA"
243 # define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5"
244 # define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5"
245 # define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5"
246 # define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5"
248 # define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA"
249 # define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA"
250 # define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA"
251 # define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5"
252 # define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5"
253 # define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5"
255 # define SSL3_SSL_SESSION_ID_LENGTH 32
256 # define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
258 # define SSL3_MASTER_SECRET_SIZE 48
259 # define SSL3_RANDOM_SIZE 32
260 # define SSL3_SESSION_ID_SIZE 32
261 # define SSL3_RT_HEADER_LENGTH 5
263 /* Due to MS stuffing up, this can change.... */
264 # if defined(OPENSSL_SYS_WIN16) || \
265 (defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32))
266 # define SSL3_RT_MAX_EXTRA (14000)
268 # define SSL3_RT_MAX_EXTRA (16384)
271 # define SSL3_RT_MAX_PLAIN_LENGTH 16384
272 # ifdef OPENSSL_NO_COMP
273 # define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
275 # define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH)
277 # define SSL3_RT_MAX_ENCRYPTED_LENGTH (1024+SSL3_RT_MAX_COMPRESSED_LENGTH)
278 # define SSL3_RT_MAX_PACKET_SIZE (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
279 # define SSL3_RT_MAX_DATA_SIZE (1024*1024)
281 # define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54"
282 # define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52"
284 # define SSL3_VERSION 0x0300
285 # define SSL3_VERSION_MAJOR 0x03
286 # define SSL3_VERSION_MINOR 0x00
288 # define SSL3_RT_CHANGE_CIPHER_SPEC 20
289 # define SSL3_RT_ALERT 21
290 # define SSL3_RT_HANDSHAKE 22
291 # define SSL3_RT_APPLICATION_DATA 23
293 # define SSL3_AL_WARNING 1
294 # define SSL3_AL_FATAL 2
296 # define SSL3_AD_CLOSE_NOTIFY 0
297 # define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */
298 # define SSL3_AD_BAD_RECORD_MAC 20/* fatal */
299 # define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */
300 # define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */
301 # define SSL3_AD_NO_CERTIFICATE 41
302 # define SSL3_AD_BAD_CERTIFICATE 42
303 # define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
304 # define SSL3_AD_CERTIFICATE_REVOKED 44
305 # define SSL3_AD_CERTIFICATE_EXPIRED 45
306 # define SSL3_AD_CERTIFICATE_UNKNOWN 46
307 # define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */
309 typedef struct ssl3_record_st {
314 /* How many bytes available */
317 */ unsigned int length;
318 /* read/write offset into 'buf' */
322 /* pointer to the record data */
325 */ unsigned char *data;
326 /* where the decode bytes are */
329 */ unsigned char *input;
330 /* only used with decompression - malloc()ed */
333 */ unsigned char *comp;
334 /* epoch number, needed by DTLS1 */
337 */ unsigned long epoch;
338 /* sequence number, needed by DTLS1 */
344 typedef struct ssl3_buffer_st {
345 /* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */
349 /* where to 'copy from' */
351 /* how many bytes left */
355 # define SSL3_CT_RSA_SIGN 1
356 # define SSL3_CT_DSS_SIGN 2
357 # define SSL3_CT_RSA_FIXED_DH 3
358 # define SSL3_CT_DSS_FIXED_DH 4
359 # define SSL3_CT_RSA_EPHEMERAL_DH 5
360 # define SSL3_CT_DSS_EPHEMERAL_DH 6
361 # define SSL3_CT_FORTEZZA_DMS 20
363 * SSL3_CT_NUMBER is used to size arrays and it must be large enough to
364 * contain all of the cert types defined either for SSLv3 and TLSv1.
366 # define SSL3_CT_NUMBER 7
368 # define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
369 # define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
370 # define SSL3_FLAGS_POP_BUFFER 0x0004
371 # define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
372 # define SSL3_FLAGS_CCS_OK 0x0080
375 * SSL3_FLAGS_SGC_RESTART_DONE is set when we restart a handshake because of
376 * MS SGC and so prevents us from restarting the handshake in a loop. It's
377 * reset on a renegotiation, so effectively limits the client to one restart
378 * per negotiation. This limits the possibility of a DDoS attack where the
379 * client handshakes in a loop using SGC to restart. Servers which permit
380 * renegotiation can still be effected, but we can't prevent that.
382 # define SSL3_FLAGS_SGC_RESTART_DONE 0x0040
384 typedef struct ssl3_state_st {
386 int delay_buf_pop_ret;
387 unsigned char read_sequence[8];
388 unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
389 unsigned char write_sequence[8];
390 unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
391 unsigned char server_random[SSL3_RANDOM_SIZE];
392 unsigned char client_random[SSL3_RANDOM_SIZE];
393 /* flags for countermeasure against known-IV weakness */
394 int need_empty_fragments;
395 int empty_fragment_done;
396 SSL3_BUFFER rbuf; /* read IO goes into here */
397 SSL3_BUFFER wbuf; /* write IO goes into here */
398 SSL3_RECORD rrec; /* each decoded record goes in here */
399 SSL3_RECORD wrec; /* goes out from here */
401 * storage for Alert/Handshake protocol data received but not yet
402 * processed by ssl3_read_bytes:
404 unsigned char alert_fragment[2];
405 unsigned int alert_fragment_len;
406 unsigned char handshake_fragment[4];
407 unsigned int handshake_fragment_len;
408 /* partial write - check the numbers match */
409 unsigned int wnum; /* number of bytes sent so far */
410 int wpend_tot; /* number bytes written */
412 int wpend_ret; /* number of bytes submitted */
413 const unsigned char *wpend_buf;
414 /* used during startup, digest all incoming/outgoing packets */
415 EVP_MD_CTX finish_dgst1;
416 EVP_MD_CTX finish_dgst2;
418 * this is set whenerver we see a change_cipher_spec message come in when
419 * we are not looking for one
421 int change_cipher_spec;
425 * we allow one fatal and one warning alert to be outstanding, send close
426 * alert via the warning alert
429 unsigned char send_alert[2];
431 * This flag is set when we should renegotiate ASAP, basically when there
432 * is no more data in the read or write buffers
435 int total_renegotiations;
436 int num_renegotiations;
437 int in_read_app_data;
439 /* actually only needs to be 16+20 */
440 unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2];
441 /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
442 unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
444 unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
445 int peer_finish_md_len;
446 unsigned long message_size;
448 /* used to hold the new cipher we are going to use */
449 SSL_CIPHER *new_cipher;
450 # ifndef OPENSSL_NO_DH
453 # ifndef OPENSSL_NO_ECDH
454 EC_KEY *ecdh; /* holds short lived ECDH key */
456 /* used when SSL_ST_FLUSH_DATA is entered */
459 /* used for certificate requests */
462 char ctype[SSL3_CT_NUMBER];
463 STACK_OF(X509_NAME) *ca_names;
465 int key_block_length;
466 unsigned char *key_block;
467 const EVP_CIPHER *new_sym_enc;
468 const EVP_MD *new_hash;
469 # ifndef OPENSSL_NO_COMP
470 const SSL_COMP *new_compression;
472 char *new_compression;
477 /* Connection binding to prevent renegotiation attacks */
478 unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
479 unsigned char previous_client_finished_len;
480 unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
481 unsigned char previous_server_finished_len;
482 int send_connection_binding; /* TODOEKR */
484 # ifndef OPENSSL_NO_TLSEXT
485 # ifndef OPENSSL_NO_EC
487 * This is set to true if we believe that this is a version of Safari
488 * running on OS X 10.6 or newer. We wish to know this because Safari on
489 * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
491 char is_probably_safari;
492 # endif /* !OPENSSL_NO_EC */
493 # endif /* !OPENSSL_NO_TLSEXT */
501 # define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
502 /* write to server */
503 # define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
504 # define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
505 /* read from server */
506 # define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
507 # define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
508 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT)
509 # define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT)
510 # define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
511 # define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
512 # define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
513 # define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT)
514 # define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT)
515 # define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
516 # define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
517 # define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
518 /* write to server */
519 # define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
520 # define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
521 # define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT)
522 # define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT)
523 # define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT)
524 # define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT)
525 # define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT)
526 # define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
527 # define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
528 # define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
529 # define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
530 # define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
531 /* read from server */
532 # define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT)
533 # define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
534 # define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
535 # define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
536 # define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT)
537 # define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT)
538 # define SSL3_ST_CR_CERT_STATUS_A (0x1F0|SSL_ST_CONNECT)
539 # define SSL3_ST_CR_CERT_STATUS_B (0x1F1|SSL_ST_CONNECT)
543 # define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
544 /* read from client */
545 /* Do not change the number values, they do matter */
546 # define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
547 # define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
548 # define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
549 /* write to client */
550 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
551 # define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
552 # define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
553 # define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
554 # define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
555 # define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT)
556 # define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT)
557 # define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT)
558 # define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT)
559 # define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT)
560 # define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT)
561 # define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT)
562 # define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT)
563 # define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT)
564 # define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT)
565 /* read from client */
566 # define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT)
567 # define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT)
568 # define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT)
569 # define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT)
570 # define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT)
571 # define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
572 # define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
573 # define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
574 # define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
575 # define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
576 /* write to client */
577 # define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT)
578 # define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
579 # define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
580 # define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
581 # define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT)
582 # define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT)
583 # define SSL3_ST_SW_CERT_STATUS_A (0x200|SSL_ST_ACCEPT)
584 # define SSL3_ST_SW_CERT_STATUS_B (0x201|SSL_ST_ACCEPT)
586 # define SSL3_MT_HELLO_REQUEST 0
587 # define SSL3_MT_CLIENT_HELLO 1
588 # define SSL3_MT_SERVER_HELLO 2
589 # define SSL3_MT_NEWSESSION_TICKET 4
590 # define SSL3_MT_CERTIFICATE 11
591 # define SSL3_MT_SERVER_KEY_EXCHANGE 12
592 # define SSL3_MT_CERTIFICATE_REQUEST 13
593 # define SSL3_MT_SERVER_DONE 14
594 # define SSL3_MT_CERTIFICATE_VERIFY 15
595 # define SSL3_MT_CLIENT_KEY_EXCHANGE 16
596 # define SSL3_MT_FINISHED 20
597 # define SSL3_MT_CERTIFICATE_STATUS 22
598 # define DTLS1_MT_HELLO_VERIFY_REQUEST 3
600 # define SSL3_MT_CCS 1
602 /* These are used when changing over to a new cipher */
603 # define SSL3_CC_READ 0x01
604 # define SSL3_CC_WRITE 0x02
605 # define SSL3_CC_CLIENT 0x10
606 # define SSL3_CC_SERVER 0x20
607 # define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
608 # define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
609 # define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
610 # define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)