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ssl3.h
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其他游戏

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Visual C++

ssl3.h：源码内容
  1. /* ssl/ssl3.h */
  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.  */
  117. #ifndef HEADER_SSL3_H 
  118. #define HEADER_SSL3_H 
  120. #ifndef OPENSSL_NO_COMP
  121. #include <openssl/comp.h>
  122. #endif
  123. #include <openssl/buffer.h>
  124. #include <openssl/evp.h>
  125. #include <openssl/ssl.h>
  126. #include <openssl/pq_compat.h>
  128. #ifdef  __cplusplus
  129. extern "C" {
  130. #endif
  132. #define SSL3_CK_RSA_NULL_MD5 0x03000001
  133. #define SSL3_CK_RSA_NULL_SHA 0x03000002
  134. #define SSL3_CK_RSA_RC4_40_MD5  0x03000003
  135. #define SSL3_CK_RSA_RC4_128_MD5 0x03000004
  136. #define SSL3_CK_RSA_RC4_128_SHA 0x03000005
  137. #define SSL3_CK_RSA_RC2_40_MD5 0x03000006
  138. #define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
  139. #define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
  140. #define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
  141. #define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
  143. #define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
  144. #define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
  145. #define SSL3_CK_DH_DSS_DES_192_CBC3_SHA  0x0300000D
  146. #define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
  147. #define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
  148. #define SSL3_CK_DH_RSA_DES_192_CBC3_SHA  0x03000010
  150. #define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011
  151. #define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012
  152. #define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013
  153. #define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014
  154. #define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015
  155. #define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016
  157. #define SSL3_CK_ADH_RC4_40_MD5 0x03000017
  158. #define SSL3_CK_ADH_RC4_128_MD5 0x03000018
  159. #define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
  160. #define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
  161. #define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
  163. #define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C
  164. #define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D
  165. #if 0 /* Because it clashes with KRB5, is never used any more, and is safe
  166.  to remove according to David Hopwood <david.hopwood@zetnet.co.uk>
  167.  of the ietf-tls list */
  168. #define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E
  169. #endif
  171. /*    VRS Additional Kerberos5 entries
  172.  */
  173. #define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E
  174. #define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F
  175. #define SSL3_CK_KRB5_RC4_128_SHA 0x03000020
  176. #define SSL3_CK_KRB5_IDEA_128_CBC_SHA         0x03000021
  177. #define SSL3_CK_KRB5_DES_64_CBC_MD5        0x03000022
  178. #define SSL3_CK_KRB5_DES_192_CBC3_MD5        0x03000023
  179. #define SSL3_CK_KRB5_RC4_128_MD5         0x03000024
  180. #define SSL3_CK_KRB5_IDEA_128_CBC_MD5  0x03000025
  182. #define SSL3_CK_KRB5_DES_40_CBC_SHA  0x03000026
  183. #define SSL3_CK_KRB5_RC2_40_CBC_SHA  0x03000027
  184. #define SSL3_CK_KRB5_RC4_40_SHA   0x03000028
  185. #define SSL3_CK_KRB5_DES_40_CBC_MD5  0x03000029
  186. #define SSL3_CK_KRB5_RC2_40_CBC_MD5  0x0300002A
  187. #define SSL3_CK_KRB5_RC4_40_MD5   0x0300002B
  189. #define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
  190. #define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
  191. #define SSL3_TXT_RSA_RC4_40_MD5  "EXP-RC4-MD5"
  192. #define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
  193. #define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
  194. #define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
  195. #define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
  196. #define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
  197. #define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
  198. #define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
  200. #define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
  201. #define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
  202. #define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA  "DH-DSS-DES-CBC3-SHA"
  203. #define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
  204. #define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
  205. #define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA  "DH-RSA-DES-CBC3-SHA"
  207. #define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
  208. #define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
  209. #define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
  210. #define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
  211. #define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
  212. #define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
  214. #define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
  215. #define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
  216. #define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
  217. #define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
  218. #define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
  220. #define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA"
  221. #define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA"
  222. #define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA"
  224. #define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA"
  225. #define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA"
  226. #define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA"
  227. #define SSL3_TXT_KRB5_IDEA_128_CBC_SHA         "KRB5-IDEA-CBC-SHA"
  228. #define SSL3_TXT_KRB5_DES_64_CBC_MD5        "KRB5-DES-CBC-MD5"
  229. #define SSL3_TXT_KRB5_DES_192_CBC3_MD5        "KRB5-DES-CBC3-MD5"
  230. #define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5"
  231. #define SSL3_TXT_KRB5_IDEA_128_CBC_MD5  "KRB5-IDEA-CBC-MD5"
  233. #define SSL3_TXT_KRB5_DES_40_CBC_SHA  "EXP-KRB5-DES-CBC-SHA"
  234. #define SSL3_TXT_KRB5_RC2_40_CBC_SHA  "EXP-KRB5-RC2-CBC-SHA"
  235. #define SSL3_TXT_KRB5_RC4_40_SHA   "EXP-KRB5-RC4-SHA"
  236. #define SSL3_TXT_KRB5_DES_40_CBC_MD5  "EXP-KRB5-DES-CBC-MD5"
  237. #define SSL3_TXT_KRB5_RC2_40_CBC_MD5  "EXP-KRB5-RC2-CBC-MD5"
  238. #define SSL3_TXT_KRB5_RC4_40_MD5   "EXP-KRB5-RC4-MD5"
  240. #define SSL3_SSL_SESSION_ID_LENGTH 32
  241. #define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
  243. #define SSL3_MASTER_SECRET_SIZE 48
  244. #define SSL3_RANDOM_SIZE 32
  245. #define SSL3_SESSION_ID_SIZE 32
  246. #define SSL3_RT_HEADER_LENGTH 5
  248. /* Due to MS stuffing up, this can change.... */
  249. #if defined(OPENSSL_SYS_WIN16) || 
  250. (defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32))
  251. #define SSL3_RT_MAX_EXTRA (14000)
  252. #else
  253. #define SSL3_RT_MAX_EXTRA (16384)
  254. #endif
  256. #define SSL3_RT_MAX_PLAIN_LENGTH 16384
  257. #ifdef OPENSSL_NO_COMP
  258. #define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
  259. #else
  260. #define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH)
  261. #endif
  262. #define SSL3_RT_MAX_ENCRYPTED_LENGTH (1024+SSL3_RT_MAX_COMPRESSED_LENGTH)
  263. #define SSL3_RT_MAX_PACKET_SIZE (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
  264. #define SSL3_RT_MAX_DATA_SIZE (1024*1024)
  266. #define SSL3_MD_CLIENT_FINISHED_CONST "x43x4Cx4Ex54"
  267. #define SSL3_MD_SERVER_FINISHED_CONST "x53x52x56x52"
  269. #define SSL3_VERSION 0x0300
  270. #define SSL3_VERSION_MAJOR 0x03
  271. #define SSL3_VERSION_MINOR 0x00
  273. #define SSL3_RT_CHANGE_CIPHER_SPEC 20
  274. #define SSL3_RT_ALERT 21
  275. #define SSL3_RT_HANDSHAKE 22
  276. #define SSL3_RT_APPLICATION_DATA 23
  278. #define SSL3_AL_WARNING 1
  279. #define SSL3_AL_FATAL 2
  281. #define SSL3_AD_CLOSE_NOTIFY  0
  282. #define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */
  283. #define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */
  284. #define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */
  285. #define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */
  286. #define SSL3_AD_NO_CERTIFICATE 41
  287. #define SSL3_AD_BAD_CERTIFICATE 42
  288. #define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
  289. #define SSL3_AD_CERTIFICATE_REVOKED 44
  290. #define SSL3_AD_CERTIFICATE_EXPIRED 45
  291. #define SSL3_AD_CERTIFICATE_UNKNOWN 46
  292. #define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */
  294. typedef struct ssl3_record_st
  295. {
  296. /*r */ int type;               /* type of record */
  297. /*rw*/ unsigned int length;    /* How many bytes available */
  298. /*r */ unsigned int off;       /* read/write offset into 'buf' */
  299. /*rw*/ unsigned char *data;    /* pointer to the record data */
  300. /*rw*/ unsigned char *input;   /* where the decode bytes are */
  301. /*r */ unsigned char *comp;    /* only used with decompression - malloc()ed */
  302. /*r */  unsigned long epoch;    /* epoch number, needed by DTLS1 */
  303. /*r */  PQ_64BIT seq_num;       /* sequence number, needed by DTLS1 */
  304. } SSL3_RECORD;
  306. typedef struct ssl3_buffer_st
  307. {
  308. unsigned char *buf;     /* at least SSL3_RT_MAX_PACKET_SIZE bytes,
  309.                          * see ssl3_setup_buffers() */
  310. size_t len;             /* buffer size */
  311. int offset;             /* where to 'copy from' */
  312. int left;               /* how many bytes left */
  313. } SSL3_BUFFER;
  315. #define SSL3_CT_RSA_SIGN 1
  316. #define SSL3_CT_DSS_SIGN 2
  317. #define SSL3_CT_RSA_FIXED_DH 3
  318. #define SSL3_CT_DSS_FIXED_DH 4
  319. #define SSL3_CT_RSA_EPHEMERAL_DH 5
  320. #define SSL3_CT_DSS_EPHEMERAL_DH 6
  321. #define SSL3_CT_FORTEZZA_DMS 20
  322. /* SSL3_CT_NUMBER is used to size arrays and it must be large
  323.  * enough to contain all of the cert types defined either for
  324.  * SSLv3 and TLSv1.
  325.  */
  326. #define SSL3_CT_NUMBER 7
  329. #define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
  330. #define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
  331. #define SSL3_FLAGS_POP_BUFFER 0x0004
  332. #define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
  334. typedef struct ssl3_state_st
  335. {
  336. long flags;
  337. int delay_buf_pop_ret;
  339. unsigned char read_sequence[8];
  340. unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
  341. unsigned char write_sequence[8];
  342. unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
  344. unsigned char server_random[SSL3_RANDOM_SIZE];
  345. unsigned char client_random[SSL3_RANDOM_SIZE];
  347. /* flags for countermeasure against known-IV weakness */
  348. int need_empty_fragments;
  349. int empty_fragment_done;
  351. SSL3_BUFFER rbuf; /* read IO goes into here */
  352. SSL3_BUFFER wbuf; /* write IO goes into here */
  354. SSL3_RECORD rrec; /* each decoded record goes in here */
  355. SSL3_RECORD wrec; /* goes out from here */
  357. /* storage for Alert/Handshake protocol data received but not
  358.  * yet processed by ssl3_read_bytes: */
  359. unsigned char alert_fragment[2];
  360. unsigned int alert_fragment_len;
  361. unsigned char handshake_fragment[4];
  362. unsigned int handshake_fragment_len;
  364. /* partial write - check the numbers match */
  365. unsigned int wnum; /* number of bytes sent so far */
  366. int wpend_tot; /* number bytes written */
  367. int wpend_type;
  368. int wpend_ret; /* number of bytes submitted */
  369. const unsigned char *wpend_buf;
  371. /* used during startup, digest all incoming/outgoing packets */
  372. EVP_MD_CTX finish_dgst1;
  373. EVP_MD_CTX finish_dgst2;
  375. /* this is set whenerver we see a change_cipher_spec message
  376.  * come in when we are not looking for one */
  377. int change_cipher_spec;
  379. int warn_alert;
  380. int fatal_alert;
  381. /* we allow one fatal and one warning alert to be outstanding,
  382.  * send close alert via the warning alert */
  383. int alert_dispatch;
  384. unsigned char send_alert[2];
  386. /* This flag is set when we should renegotiate ASAP, basically when
  387.  * there is no more data in the read or write buffers */
  388. int renegotiate;
  389. int total_renegotiations;
  390. int num_renegotiations;
  392. int in_read_app_data;
  394. struct {
  395. /* actually only needs to be 16+20 */
  396. unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2];
  398. /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
  399. unsigned char finish_md[EVP_MAX_MD_SIZE*2];
  400. int finish_md_len;
  401. unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2];
  402. int peer_finish_md_len;
  404. unsigned long message_size;
  405. int message_type;
  407. /* used to hold the new cipher we are going to use */
  408. SSL_CIPHER *new_cipher;
  409. #ifndef OPENSSL_NO_DH
  410. DH *dh;
  411. #endif
  413. #ifndef OPENSSL_NO_ECDH
  414. EC_KEY *ecdh; /* holds short lived ECDH key */
  415. #endif
  417. /* used when SSL_ST_FLUSH_DATA is entered */
  418. int next_state;
  420. int reuse_message;
  422. /* used for certificate requests */
  423. int cert_req;
  424. int ctype_num;
  425. char ctype[SSL3_CT_NUMBER];
  426. STACK_OF(X509_NAME) *ca_names;
  428. int use_rsa_tmp;
  430. int key_block_length;
  431. unsigned char *key_block;
  433. const EVP_CIPHER *new_sym_enc;
  434. const EVP_MD *new_hash;
  435. #ifndef OPENSSL_NO_COMP
  436. const SSL_COMP *new_compression;
  437. #else
  438. char *new_compression;
  439. #endif
  440. int cert_request;
  441. } tmp;
  443. } SSL3_STATE;
  446. /* SSLv3 */
  447. /*client */
  448. /* extra state */
  449. #define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
  450. /* write to server */
  451. #define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
  452. #define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
  453. /* read from server */
  454. #define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
  455. #define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
  456. #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT)
  457. #define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT)
  458. #define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
  459. #define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
  460. #define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
  461. #define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT)
  462. #define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT)
  463. #define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
  464. #define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
  465. #define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
  466. /* write to server */
  467. #define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
  468. #define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
  469. #define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT)
  470. #define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT)
  471. #define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT)
  472. #define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT)
  473. #define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT)
  474. #define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
  475. #define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
  476. #define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
  477. #define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
  478. #define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
  479. /* read from server */
  480. #define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT)
  481. #define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
  482. #define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
  483. #define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
  485. /* server */
  486. /* extra state */
  487. #define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
  488. /* read from client */
  489. /* Do not change the number values, they do matter */
  490. #define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
  491. #define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
  492. #define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
  493. /* write to client */
  494. #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
  495. #define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
  496. #define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
  497. #define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
  498. #define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
  499. #define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT)
  500. #define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT)
  501. #define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT)
  502. #define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT)
  503. #define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT)
  504. #define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT)
  505. #define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT)
  506. #define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT)
  507. #define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT)
  508. #define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT)
  509. /* read from client */
  510. #define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT)
  511. #define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT)
  512. #define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT)
  513. #define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT)
  514. #define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT)
  515. #define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
  516. #define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
  517. #define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
  518. #define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
  519. #define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
  520. /* write to client */
  521. #define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT)
  522. #define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
  523. #define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
  524. #define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
  526. #define SSL3_MT_HELLO_REQUEST 0
  527. #define SSL3_MT_CLIENT_HELLO 1
  528. #define SSL3_MT_SERVER_HELLO 2
  529. #define SSL3_MT_CERTIFICATE 11
  530. #define SSL3_MT_SERVER_KEY_EXCHANGE 12
  531. #define SSL3_MT_CERTIFICATE_REQUEST 13
  532. #define SSL3_MT_SERVER_DONE 14
  533. #define SSL3_MT_CERTIFICATE_VERIFY 15
  534. #define SSL3_MT_CLIENT_KEY_EXCHANGE 16
  535. #define SSL3_MT_FINISHED 20
  536. #define DTLS1_MT_HELLO_VERIFY_REQUEST    3
  539. #define SSL3_MT_CCS 1
  541. /* These are used when changing over to a new cipher */
  542. #define SSL3_CC_READ 0x01
  543. #define SSL3_CC_WRITE 0x02
  544. #define SSL3_CC_CLIENT 0x10
  545. #define SSL3_CC_SERVER 0x20
  546. #define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
  547. #define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
  548. #define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
  549. #define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
  551. #ifdef  __cplusplus
  552. }
  553. #endif
  554. #endif