xref: /openbsd-src/lib/libssl/ssl.h (revision daf88648c0e349d5c02e1504293082072c981640)
1 /* ssl/ssl.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) 1998-2001 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 (c) 1998-2002 The OpenSSL Project.  All rights reserved.
113  *
114  * Redistribution and use in source and binary forms, with or without
115  * modification, are permitted provided that the following conditions
116  * are met:
117  *
118  * 1. Redistributions of source code must retain the above copyright
119  *    notice, this list of conditions and the following disclaimer.
120  *
121  * 2. Redistributions in binary form must reproduce the above copyright
122  *    notice, this list of conditions and the following disclaimer in
123  *    the documentation and/or other materials provided with the
124  *    distribution.
125  *
126  * 3. All advertising materials mentioning features or use of this
127  *    software must display the following acknowledgment:
128  *    "This product includes software developed by the OpenSSL Project
129  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
130  *
131  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
132  *    endorse or promote products derived from this software without
133  *    prior written permission. For written permission, please contact
134  *    openssl-core@openssl.org.
135  *
136  * 5. Products derived from this software may not be called "OpenSSL"
137  *    nor may "OpenSSL" appear in their names without prior written
138  *    permission of the OpenSSL Project.
139  *
140  * 6. Redistributions of any form whatsoever must retain the following
141  *    acknowledgment:
142  *    "This product includes software developed by the OpenSSL Project
143  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
144  *
145  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
146  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
147  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
148  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
149  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
150  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
151  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
152  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
153  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
154  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
155  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
156  * OF THE POSSIBILITY OF SUCH DAMAGE.
157  * ====================================================================
158  *
159  * This product includes cryptographic software written by Eric Young
160  * (eay@cryptsoft.com).  This product includes software written by Tim
161  * Hudson (tjh@cryptsoft.com).
162  *
163  */
164 
165 #ifndef HEADER_SSL_H
166 #define HEADER_SSL_H
167 
168 #include <openssl/e_os2.h>
169 
170 #ifndef OPENSSL_NO_COMP
171 #include <openssl/comp.h>
172 #endif
173 #ifndef OPENSSL_NO_BIO
174 #include <openssl/bio.h>
175 #endif
176 #ifndef OPENSSL_NO_X509
177 #include <openssl/x509.h>
178 #endif
179 #include <openssl/kssl.h>
180 #include <openssl/safestack.h>
181 #include <openssl/symhacks.h>
182 
183 #ifdef  __cplusplus
184 extern "C" {
185 #endif
186 
187 /* SSLeay version number for ASN.1 encoding of the session information */
188 /* Version 0 - initial version
189  * Version 1 - added the optional peer certificate
190  */
191 #define SSL_SESSION_ASN1_VERSION 0x0001
192 
193 /* text strings for the ciphers */
194 #define SSL_TXT_NULL_WITH_MD5		SSL2_TXT_NULL_WITH_MD5
195 #define SSL_TXT_RC4_128_WITH_MD5	SSL2_TXT_RC4_128_WITH_MD5
196 #define SSL_TXT_RC4_128_EXPORT40_WITH_MD5 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5
197 #define SSL_TXT_RC2_128_CBC_WITH_MD5	SSL2_TXT_RC2_128_CBC_WITH_MD5
198 #define SSL_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5
199 #define SSL_TXT_IDEA_128_CBC_WITH_MD5	SSL2_TXT_IDEA_128_CBC_WITH_MD5
200 #define SSL_TXT_DES_64_CBC_WITH_MD5	SSL2_TXT_DES_64_CBC_WITH_MD5
201 #define SSL_TXT_DES_64_CBC_WITH_SHA	SSL2_TXT_DES_64_CBC_WITH_SHA
202 #define SSL_TXT_DES_192_EDE3_CBC_WITH_MD5 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5
203 #define SSL_TXT_DES_192_EDE3_CBC_WITH_SHA SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA
204 
205 /*    VRS Additional Kerberos5 entries
206  */
207 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
208 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
209 #define SSL_TXT_KRB5_RC4_128_SHA      SSL3_TXT_KRB5_RC4_128_SHA
210 #define SSL_TXT_KRB5_IDEA_128_CBC_SHA SSL3_TXT_KRB5_IDEA_128_CBC_SHA
211 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
212 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
213 #define SSL_TXT_KRB5_RC4_128_MD5      SSL3_TXT_KRB5_RC4_128_MD5
214 #define SSL_TXT_KRB5_IDEA_128_CBC_MD5 SSL3_TXT_KRB5_IDEA_128_CBC_MD5
215 
216 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
217 #define SSL_TXT_KRB5_RC2_40_CBC_SHA   SSL3_TXT_KRB5_RC2_40_CBC_SHA
218 #define SSL_TXT_KRB5_RC4_40_SHA	      SSL3_TXT_KRB5_RC4_40_SHA
219 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
220 #define SSL_TXT_KRB5_RC2_40_CBC_MD5   SSL3_TXT_KRB5_RC2_40_CBC_MD5
221 #define SSL_TXT_KRB5_RC4_40_MD5	      SSL3_TXT_KRB5_RC4_40_MD5
222 
223 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
224 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
225 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
226 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
227 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
228 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
229 #define SSL_MAX_KRB5_PRINCIPAL_LENGTH  256
230 
231 #define SSL_MAX_SSL_SESSION_ID_LENGTH		32
232 #define SSL_MAX_SID_CTX_LENGTH			32
233 
234 #define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES	(512/8)
235 #define SSL_MAX_KEY_ARG_LENGTH			8
236 #define SSL_MAX_MASTER_KEY_LENGTH		48
237 
238 /* These are used to specify which ciphers to use and not to use */
239 #define SSL_TXT_LOW		"LOW"
240 #define SSL_TXT_MEDIUM		"MEDIUM"
241 #define SSL_TXT_HIGH		"HIGH"
242 #define SSL_TXT_FIPS		"FIPS"
243 #define SSL_TXT_kFZA		"kFZA"
244 #define	SSL_TXT_aFZA		"aFZA"
245 #define SSL_TXT_eFZA		"eFZA"
246 #define SSL_TXT_FZA		"FZA"
247 
248 #define	SSL_TXT_aNULL		"aNULL"
249 #define	SSL_TXT_eNULL		"eNULL"
250 #define	SSL_TXT_NULL		"NULL"
251 
252 #define SSL_TXT_kKRB5     	"kKRB5"
253 #define SSL_TXT_aKRB5     	"aKRB5"
254 #define SSL_TXT_KRB5      	"KRB5"
255 
256 #define SSL_TXT_kRSA		"kRSA"
257 #define SSL_TXT_kDHr		"kDHr"
258 #define SSL_TXT_kDHd		"kDHd"
259 #define SSL_TXT_kEDH		"kEDH"
260 #define	SSL_TXT_aRSA		"aRSA"
261 #define	SSL_TXT_aDSS		"aDSS"
262 #define	SSL_TXT_aDH		"aDH"
263 #define	SSL_TXT_DSS		"DSS"
264 #define SSL_TXT_DH		"DH"
265 #define SSL_TXT_EDH		"EDH"
266 #define SSL_TXT_ADH		"ADH"
267 #define SSL_TXT_RSA		"RSA"
268 #define SSL_TXT_DES		"DES"
269 #define SSL_TXT_3DES		"3DES"
270 #define SSL_TXT_RC4		"RC4"
271 #define SSL_TXT_RC2		"RC2"
272 #define SSL_TXT_IDEA		"IDEA"
273 #define SSL_TXT_AES		"AES"
274 #define SSL_TXT_MD5		"MD5"
275 #define SSL_TXT_SHA1		"SHA1"
276 #define SSL_TXT_SHA		"SHA"
277 #define SSL_TXT_EXP		"EXP"
278 #define SSL_TXT_EXPORT		"EXPORT"
279 #define SSL_TXT_EXP40		"EXPORT40"
280 #define SSL_TXT_EXP56		"EXPORT56"
281 #define SSL_TXT_SSLV2		"SSLv2"
282 #define SSL_TXT_SSLV3		"SSLv3"
283 #define SSL_TXT_TLSV1		"TLSv1"
284 #define SSL_TXT_ALL		"ALL"
285 
286 /*
287  * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
288  * ciphers normally not being used.
289  * Example: "RC4" will activate all ciphers using RC4 including ciphers
290  * without authentication, which would normally disabled by DEFAULT (due
291  * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
292  * will make sure that it is also disabled in the specific selection.
293  * COMPLEMENTOF* identifiers are portable between version, as adjustments
294  * to the default cipher setup will also be included here.
295  *
296  * COMPLEMENTOFDEFAULT does not experience the same special treatment that
297  * DEFAULT gets, as only selection is being done and no sorting as needed
298  * for DEFAULT.
299  */
300 #define SSL_TXT_CMPALL		"COMPLEMENTOFALL"
301 #define SSL_TXT_CMPDEF		"COMPLEMENTOFDEFAULT"
302 
303 /* The following cipher list is used by default.
304  * It also is substituted when an application-defined cipher list string
305  * starts with 'DEFAULT'. */
306 #define SSL_DEFAULT_CIPHER_LIST	"ALL:!ADH:+RC4:@STRENGTH" /* low priority for RC4 */
307 
308 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
309 #define SSL_SENT_SHUTDOWN	1
310 #define SSL_RECEIVED_SHUTDOWN	2
311 
312 #ifdef __cplusplus
313 }
314 #endif
315 
316 #include <openssl/crypto.h>
317 #include <openssl/lhash.h>
318 #include <openssl/buffer.h>
319 #include <openssl/pem.h>
320 
321 #ifdef  __cplusplus
322 extern "C" {
323 #endif
324 
325 #if (defined(OPENSSL_NO_RSA) || defined(OPENSSL_NO_MD5)) && !defined(OPENSSL_NO_SSL2)
326 #define OPENSSL_NO_SSL2
327 #endif
328 
329 #define SSL_FILETYPE_ASN1	X509_FILETYPE_ASN1
330 #define SSL_FILETYPE_PEM	X509_FILETYPE_PEM
331 
332 /* This is needed to stop compilers complaining about the
333  * 'struct ssl_st *' function parameters used to prototype callbacks
334  * in SSL_CTX. */
335 typedef struct ssl_st *ssl_crock_st;
336 
337 /* used to hold info on the particular ciphers used */
338 typedef struct ssl_cipher_st
339 	{
340 	int valid;
341 	const char *name;		/* text name */
342 	unsigned long id;		/* id, 4 bytes, first is version */
343 	unsigned long algorithms;	/* what ciphers are used */
344 	unsigned long algo_strength;	/* strength and export flags */
345 	unsigned long algorithm2;	/* Extra flags */
346 	int strength_bits;		/* Number of bits really used */
347 	int alg_bits;			/* Number of bits for algorithm */
348 	unsigned long mask;		/* used for matching */
349 	unsigned long mask_strength;	/* also used for matching */
350 	} SSL_CIPHER;
351 
352 DECLARE_STACK_OF(SSL_CIPHER)
353 
354 typedef struct ssl_st SSL;
355 typedef struct ssl_ctx_st SSL_CTX;
356 
357 /* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
358 typedef struct ssl_method_st
359 	{
360 	int version;
361 	int (*ssl_new)(SSL *s);
362 	void (*ssl_clear)(SSL *s);
363 	void (*ssl_free)(SSL *s);
364 	int (*ssl_accept)(SSL *s);
365 	int (*ssl_connect)(SSL *s);
366 	int (*ssl_read)(SSL *s,void *buf,int len);
367 	int (*ssl_peek)(SSL *s,void *buf,int len);
368 	int (*ssl_write)(SSL *s,const void *buf,int len);
369 	int (*ssl_shutdown)(SSL *s);
370 	int (*ssl_renegotiate)(SSL *s);
371 	int (*ssl_renegotiate_check)(SSL *s);
372 	long (*ssl_ctrl)(SSL *s,int cmd,long larg,void *parg);
373 	long (*ssl_ctx_ctrl)(SSL_CTX *ctx,int cmd,long larg,void *parg);
374 	SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
375 	int (*put_cipher_by_char)(const SSL_CIPHER *cipher,unsigned char *ptr);
376 	int (*ssl_pending)(const SSL *s);
377 	int (*num_ciphers)(void);
378 	SSL_CIPHER *(*get_cipher)(unsigned ncipher);
379 	struct ssl_method_st *(*get_ssl_method)(int version);
380 	long (*get_timeout)(void);
381 	struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
382 	int (*ssl_version)();
383 	long (*ssl_callback_ctrl)(SSL *s, int cb_id, void (*fp)());
384 	long (*ssl_ctx_callback_ctrl)(SSL_CTX *s, int cb_id, void (*fp)());
385 	} SSL_METHOD;
386 
387 /* Lets make this into an ASN.1 type structure as follows
388  * SSL_SESSION_ID ::= SEQUENCE {
389  *	version 		INTEGER,	-- structure version number
390  *	SSLversion 		INTEGER,	-- SSL version number
391  *	Cipher 			OCTET_STRING,	-- the 3 byte cipher ID
392  *	Session_ID 		OCTET_STRING,	-- the Session ID
393  *	Master_key 		OCTET_STRING,	-- the master key
394  *	KRB5_principal		OCTET_STRING	-- optional Kerberos principal
395  *	Key_Arg [ 0 ] IMPLICIT	OCTET_STRING,	-- the optional Key argument
396  *	Time [ 1 ] EXPLICIT	INTEGER,	-- optional Start Time
397  *	Timeout [ 2 ] EXPLICIT	INTEGER,	-- optional Timeout ins seconds
398  *	Peer [ 3 ] EXPLICIT	X509,		-- optional Peer Certificate
399  *	Session_ID_context [ 4 ] EXPLICIT OCTET_STRING,   -- the Session ID context
400  *	Verify_result [ 5 ] EXPLICIT INTEGER    -- X509_V_... code for `Peer'
401  *	Compression [6] IMPLICIT ASN1_OBJECT	-- compression OID XXXXX
402  *	}
403  * Look in ssl/ssl_asn1.c for more details
404  * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
405  */
406 typedef struct ssl_session_st
407 	{
408 	int ssl_version;	/* what ssl version session info is
409 				 * being kept in here? */
410 
411 	/* only really used in SSLv2 */
412 	unsigned int key_arg_length;
413 	unsigned char key_arg[SSL_MAX_KEY_ARG_LENGTH];
414 	int master_key_length;
415 	unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
416 	/* session_id - valid? */
417 	unsigned int session_id_length;
418 	unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
419 	/* this is used to determine whether the session is being reused in
420 	 * the appropriate context. It is up to the application to set this,
421 	 * via SSL_new */
422 	unsigned int sid_ctx_length;
423 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
424 
425 #ifndef OPENSSL_NO_KRB5
426         unsigned int krb5_client_princ_len;
427         unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH];
428 #endif /* OPENSSL_NO_KRB5 */
429 
430 	int not_resumable;
431 
432 	/* The cert is the certificate used to establish this connection */
433 	struct sess_cert_st /* SESS_CERT */ *sess_cert;
434 
435 	/* This is the cert for the other end.
436 	 * On clients, it will be the same as sess_cert->peer_key->x509
437 	 * (the latter is not enough as sess_cert is not retained
438 	 * in the external representation of sessions, see ssl_asn1.c). */
439 	X509 *peer;
440 	/* when app_verify_callback accepts a session where the peer's certificate
441 	 * is not ok, we must remember the error for session reuse: */
442 	long verify_result; /* only for servers */
443 
444 	int references;
445 	long timeout;
446 	long time;
447 
448 	int compress_meth;		/* Need to lookup the method */
449 
450 	SSL_CIPHER *cipher;
451 	unsigned long cipher_id;	/* when ASN.1 loaded, this
452 					 * needs to be used to load
453 					 * the 'cipher' structure */
454 
455 	STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
456 
457 	CRYPTO_EX_DATA ex_data; /* application specific data */
458 
459 	/* These are used to make removal of session-ids more
460 	 * efficient and to implement a maximum cache size. */
461 	struct ssl_session_st *prev,*next;
462 	} SSL_SESSION;
463 
464 
465 #define SSL_OP_MICROSOFT_SESS_ID_BUG			0x00000001L
466 #define SSL_OP_NETSCAPE_CHALLENGE_BUG			0x00000002L
467 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG		0x00000008L
468 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG		0x00000010L
469 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER		0x00000020L
470 #define SSL_OP_MSIE_SSLV2_RSA_PADDING			0x00000040L /* no effect since 0.9.7h and 0.9.8b */
471 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG			0x00000080L
472 #define SSL_OP_TLS_D5_BUG				0x00000100L
473 #define SSL_OP_TLS_BLOCK_PADDING_BUG			0x00000200L
474 
475 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
476  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
477  * the workaround is not needed.  Unfortunately some broken SSL/TLS
478  * implementations cannot handle it at all, which is why we include
479  * it in SSL_OP_ALL. */
480 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS              0x00000800L /* added in 0.9.6e */
481 
482 /* SSL_OP_ALL: various bug workarounds that should be rather harmless.
483  *             This used to be 0x000FFFFFL before 0.9.7. */
484 #define SSL_OP_ALL					0x00000FFFL
485 
486 /* As server, disallow session resumption on renegotiation */
487 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION	0x00010000L
488 /* If set, always create a new key when using tmp_dh parameters */
489 #define SSL_OP_SINGLE_DH_USE				0x00100000L
490 /* Set to always use the tmp_rsa key when doing RSA operations,
491  * even when this violates protocol specs */
492 #define SSL_OP_EPHEMERAL_RSA				0x00200000L
493 /* Set on servers to choose the cipher according to the server's
494  * preferences */
495 #define SSL_OP_CIPHER_SERVER_PREFERENCE			0x00400000L
496 /* If set, a server will allow a client to issue a SSLv3.0 version number
497  * as latest version supported in the premaster secret, even when TLSv1.0
498  * (version 3.1) was announced in the client hello. Normally this is
499  * forbidden to prevent version rollback attacks. */
500 #define SSL_OP_TLS_ROLLBACK_BUG				0x00800000L
501 
502 #define SSL_OP_NO_SSLv2					0x01000000L
503 #define SSL_OP_NO_SSLv3					0x02000000L
504 #define SSL_OP_NO_TLSv1					0x04000000L
505 
506 /* The next flag deliberately changes the ciphertest, this is a check
507  * for the PKCS#1 attack */
508 #define SSL_OP_PKCS1_CHECK_1				0x08000000L
509 #define SSL_OP_PKCS1_CHECK_2				0x10000000L
510 #define SSL_OP_NETSCAPE_CA_DN_BUG			0x20000000L
511 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG		0x40000000L
512 
513 
514 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
515  * when just a single record has been written): */
516 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
517 /* Make it possible to retry SSL_write() with changed buffer location
518  * (buffer contents must stay the same!); this is not the default to avoid
519  * the misconception that non-blocking SSL_write() behaves like
520  * non-blocking write(): */
521 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
522 /* Never bother the application with retries if the transport
523  * is blocking: */
524 #define SSL_MODE_AUTO_RETRY 0x00000004L
525 /* Don't attempt to automatically build certificate chain */
526 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
527 
528 
529 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
530  * they cannot be used to clear bits. */
531 
532 #define SSL_CTX_set_options(ctx,op) \
533 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
534 #define SSL_CTX_get_options(ctx) \
535 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
536 #define SSL_set_options(ssl,op) \
537 	SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
538 #define SSL_get_options(ssl) \
539         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
540 
541 #define SSL_CTX_set_mode(ctx,op) \
542 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
543 #define SSL_CTX_get_mode(ctx) \
544 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
545 #define SSL_set_mode(ssl,op) \
546 	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
547 #define SSL_get_mode(ssl) \
548         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
549 
550 
551 void SSL_CTX_set_msg_callback(SSL_CTX *ctx, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
552 void SSL_set_msg_callback(SSL *ssl, void (*cb)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg));
553 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
554 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
555 
556 
557 
558 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
559 #define SSL_MAX_CERT_LIST_DEFAULT 1024*30 /* 30k max cert list :-) */
560 #else
561 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
562 #endif
563 
564 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT	(1024*20)
565 
566 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
567  * them. It is used to override the generation of SSL/TLS session IDs in a
568  * server. Return value should be zero on an error, non-zero to proceed. Also,
569  * callbacks should themselves check if the id they generate is unique otherwise
570  * the SSL handshake will fail with an error - callbacks can do this using the
571  * 'ssl' value they're passed by;
572  *      SSL_has_matching_session_id(ssl, id, *id_len)
573  * The length value passed in is set at the maximum size the session ID can be.
574  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
575  * can alter this length to be less if desired, but under SSLv2 session IDs are
576  * supposed to be fixed at 16 bytes so the id will be padded after the callback
577  * returns in this case. It is also an error for the callback to set the size to
578  * zero. */
579 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
580 				unsigned int *id_len);
581 
582 typedef struct ssl_comp_st
583 	{
584 	int id;
585 	char *name;
586 #ifndef OPENSSL_NO_COMP
587 	COMP_METHOD *method;
588 #else
589 	char *method;
590 #endif
591 	} SSL_COMP;
592 
593 DECLARE_STACK_OF(SSL_COMP)
594 
595 struct ssl_ctx_st
596 	{
597 	SSL_METHOD *method;
598 
599 	STACK_OF(SSL_CIPHER) *cipher_list;
600 	/* same as above but sorted for lookup */
601 	STACK_OF(SSL_CIPHER) *cipher_list_by_id;
602 
603 	struct x509_store_st /* X509_STORE */ *cert_store;
604 	struct lhash_st /* LHASH */ *sessions;	/* a set of SSL_SESSIONs */
605 	/* Most session-ids that will be cached, default is
606 	 * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. */
607 	unsigned long session_cache_size;
608 	struct ssl_session_st *session_cache_head;
609 	struct ssl_session_st *session_cache_tail;
610 
611 	/* This can have one of 2 values, ored together,
612 	 * SSL_SESS_CACHE_CLIENT,
613 	 * SSL_SESS_CACHE_SERVER,
614 	 * Default is SSL_SESSION_CACHE_SERVER, which means only
615 	 * SSL_accept which cache SSL_SESSIONS. */
616 	int session_cache_mode;
617 
618 	/* If timeout is not 0, it is the default timeout value set
619 	 * when SSL_new() is called.  This has been put in to make
620 	 * life easier to set things up */
621 	long session_timeout;
622 
623 	/* If this callback is not null, it will be called each
624 	 * time a session id is added to the cache.  If this function
625 	 * returns 1, it means that the callback will do a
626 	 * SSL_SESSION_free() when it has finished using it.  Otherwise,
627 	 * on 0, it means the callback has finished with it.
628 	 * If remove_session_cb is not null, it will be called when
629 	 * a session-id is removed from the cache.  After the call,
630 	 * OpenSSL will SSL_SESSION_free() it. */
631 	int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess);
632 	void (*remove_session_cb)(struct ssl_ctx_st *ctx,SSL_SESSION *sess);
633 	SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl,
634 		unsigned char *data,int len,int *copy);
635 
636 	struct
637 		{
638 		int sess_connect;	/* SSL new conn - started */
639 		int sess_connect_renegotiate;/* SSL reneg - requested */
640 		int sess_connect_good;	/* SSL new conne/reneg - finished */
641 		int sess_accept;	/* SSL new accept - started */
642 		int sess_accept_renegotiate;/* SSL reneg - requested */
643 		int sess_accept_good;	/* SSL accept/reneg - finished */
644 		int sess_miss;		/* session lookup misses  */
645 		int sess_timeout;	/* reuse attempt on timeouted session */
646 		int sess_cache_full;	/* session removed due to full cache */
647 		int sess_hit;		/* session reuse actually done */
648 		int sess_cb_hit;	/* session-id that was not
649 					 * in the cache was
650 					 * passed back via the callback.  This
651 					 * indicates that the application is
652 					 * supplying session-id's from other
653 					 * processes - spooky :-) */
654 		} stats;
655 
656 	int references;
657 
658 	/* if defined, these override the X509_verify_cert() calls */
659 	int (*app_verify_callback)(X509_STORE_CTX *, void *);
660 	void *app_verify_arg;
661 	/* before OpenSSL 0.9.7, 'app_verify_arg' was ignored
662 	 * ('app_verify_callback' was called with just one argument) */
663 
664 	/* Default password callback. */
665 	pem_password_cb *default_passwd_callback;
666 
667 	/* Default password callback user data. */
668 	void *default_passwd_callback_userdata;
669 
670 	/* get client cert callback */
671 	int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
672 
673 	CRYPTO_EX_DATA ex_data;
674 
675 	const EVP_MD *rsa_md5;/* For SSLv2 - name is 'ssl2-md5' */
676 	const EVP_MD *md5;	/* For SSLv3/TLSv1 'ssl3-md5' */
677 	const EVP_MD *sha1;   /* For SSLv3/TLSv1 'ssl3->sha1' */
678 
679 	STACK_OF(X509) *extra_certs;
680 	STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
681 
682 
683 	/* Default values used when no per-SSL value is defined follow */
684 
685 	void (*info_callback)(const SSL *ssl,int type,int val); /* used if SSL's info_callback is NULL */
686 
687 	/* what we put in client cert requests */
688 	STACK_OF(X509_NAME) *client_CA;
689 
690 
691 	/* Default values to use in SSL structures follow (these are copied by SSL_new) */
692 
693 	unsigned long options;
694 	unsigned long mode;
695 	long max_cert_list;
696 
697 	struct cert_st /* CERT */ *cert;
698 	int read_ahead;
699 
700 	/* callback that allows applications to peek at protocol messages */
701 	void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
702 	void *msg_callback_arg;
703 
704 	int verify_mode;
705 	int verify_depth;
706 	unsigned int sid_ctx_length;
707 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
708 	int (*default_verify_callback)(int ok,X509_STORE_CTX *ctx); /* called 'verify_callback' in the SSL */
709 
710 	/* Default generate session ID callback. */
711 	GEN_SESSION_CB generate_session_id;
712 
713 	int purpose;		/* Purpose setting */
714 	int trust;		/* Trust setting */
715 
716 	int quiet_shutdown;
717 	};
718 
719 #define SSL_SESS_CACHE_OFF			0x0000
720 #define SSL_SESS_CACHE_CLIENT			0x0001
721 #define SSL_SESS_CACHE_SERVER			0x0002
722 #define SSL_SESS_CACHE_BOTH	(SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
723 #define SSL_SESS_CACHE_NO_AUTO_CLEAR		0x0080
724 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
725 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP	0x0100
726 #define SSL_SESS_CACHE_NO_INTERNAL_STORE	0x0200
727 #define SSL_SESS_CACHE_NO_INTERNAL \
728 	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
729 
730   struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx);
731 #define SSL_CTX_sess_number(ctx) \
732 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
733 #define SSL_CTX_sess_connect(ctx) \
734 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
735 #define SSL_CTX_sess_connect_good(ctx) \
736 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
737 #define SSL_CTX_sess_connect_renegotiate(ctx) \
738 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
739 #define SSL_CTX_sess_accept(ctx) \
740 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
741 #define SSL_CTX_sess_accept_renegotiate(ctx) \
742 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
743 #define SSL_CTX_sess_accept_good(ctx) \
744 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
745 #define SSL_CTX_sess_hits(ctx) \
746 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
747 #define SSL_CTX_sess_cb_hits(ctx) \
748 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
749 #define SSL_CTX_sess_misses(ctx) \
750 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
751 #define SSL_CTX_sess_timeouts(ctx) \
752 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
753 #define SSL_CTX_sess_cache_full(ctx) \
754 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
755 
756 #define SSL_CTX_sess_set_new_cb(ctx,cb)	((ctx)->new_session_cb=(cb))
757 #define SSL_CTX_sess_get_new_cb(ctx)	((ctx)->new_session_cb)
758 #define SSL_CTX_sess_set_remove_cb(ctx,cb)	((ctx)->remove_session_cb=(cb))
759 #define SSL_CTX_sess_get_remove_cb(ctx)	((ctx)->remove_session_cb)
760 #define SSL_CTX_sess_set_get_cb(ctx,cb)	((ctx)->get_session_cb=(cb))
761 #define SSL_CTX_sess_get_get_cb(ctx)	((ctx)->get_session_cb)
762 #define SSL_CTX_set_info_callback(ctx,cb)	((ctx)->info_callback=(cb))
763 #define SSL_CTX_get_info_callback(ctx)		((ctx)->info_callback)
764 #define SSL_CTX_set_client_cert_cb(ctx,cb)	((ctx)->client_cert_cb=(cb))
765 #define SSL_CTX_get_client_cert_cb(ctx)		((ctx)->client_cert_cb)
766 
767 #define SSL_NOTHING	1
768 #define SSL_WRITING	2
769 #define SSL_READING	3
770 #define SSL_X509_LOOKUP	4
771 
772 /* These will only be used when doing non-blocking IO */
773 #define SSL_want_nothing(s)	(SSL_want(s) == SSL_NOTHING)
774 #define SSL_want_read(s)	(SSL_want(s) == SSL_READING)
775 #define SSL_want_write(s)	(SSL_want(s) == SSL_WRITING)
776 #define SSL_want_x509_lookup(s)	(SSL_want(s) == SSL_X509_LOOKUP)
777 
778 struct ssl_st
779 	{
780 	/* protocol version
781 	 * (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION)
782 	 */
783 	int version;
784 	int type; /* SSL_ST_CONNECT or SSL_ST_ACCEPT */
785 
786 	SSL_METHOD *method; /* SSLv3 */
787 
788 	/* There are 2 BIO's even though they are normally both the
789 	 * same.  This is so data can be read and written to different
790 	 * handlers */
791 
792 #ifndef OPENSSL_NO_BIO
793 	BIO *rbio; /* used by SSL_read */
794 	BIO *wbio; /* used by SSL_write */
795 	BIO *bbio; /* used during session-id reuse to concatenate
796 		    * messages */
797 #else
798 	char *rbio; /* used by SSL_read */
799 	char *wbio; /* used by SSL_write */
800 	char *bbio;
801 #endif
802 	/* This holds a variable that indicates what we were doing
803 	 * when a 0 or -1 is returned.  This is needed for
804 	 * non-blocking IO so we know what request needs re-doing when
805 	 * in SSL_accept or SSL_connect */
806 	int rwstate;
807 
808 	/* true when we are actually in SSL_accept() or SSL_connect() */
809 	int in_handshake;
810 	int (*handshake_func)();
811 
812 	/* Imagine that here's a boolean member "init" that is
813 	 * switched as soon as SSL_set_{accept/connect}_state
814 	 * is called for the first time, so that "state" and
815 	 * "handshake_func" are properly initialized.  But as
816 	 * handshake_func is == 0 until then, we use this
817 	 * test instead of an "init" member.
818 	 */
819 
820 	int server;	/* are we the server side? - mostly used by SSL_clear*/
821 
822 	int new_session;/* 1 if we are to use a new session.
823 	                 * 2 if we are a server and are inside a handshake
824 	                 *   (i.e. not just sending a HelloRequest)
825 	                 * NB: For servers, the 'new' session may actually be a previously
826 	                 * cached session or even the previous session unless
827 	                 * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set */
828 	int quiet_shutdown;/* don't send shutdown packets */
829 	int shutdown;	/* we have shut things down, 0x01 sent, 0x02
830 			 * for received */
831 	int state;	/* where we are */
832 	int rstate;	/* where we are when reading */
833 
834 	BUF_MEM *init_buf;	/* buffer used during init */
835 	void *init_msg;   	/* pointer to handshake message body, set by ssl3_get_message() */
836 	int init_num;		/* amount read/written */
837 	int init_off;		/* amount read/written */
838 
839 	/* used internally to point at a raw packet */
840 	unsigned char *packet;
841 	unsigned int packet_length;
842 
843 	struct ssl2_state_st *s2; /* SSLv2 variables */
844 	struct ssl3_state_st *s3; /* SSLv3 variables */
845 
846 	int read_ahead;		/* Read as many input bytes as possible
847 	               	 	 * (for non-blocking reads) */
848 
849 	/* callback that allows applications to peek at protocol messages */
850 	void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
851 	void *msg_callback_arg;
852 
853 	int hit;		/* reusing a previous session */
854 
855 	int purpose;		/* Purpose setting */
856 	int trust;		/* Trust setting */
857 
858 	/* crypto */
859 	STACK_OF(SSL_CIPHER) *cipher_list;
860 	STACK_OF(SSL_CIPHER) *cipher_list_by_id;
861 
862 	/* These are the ones being used, the ones in SSL_SESSION are
863 	 * the ones to be 'copied' into these ones */
864 
865 	EVP_CIPHER_CTX *enc_read_ctx;		/* cryptographic state */
866 	const EVP_MD *read_hash;		/* used for mac generation */
867 #ifndef OPENSSL_NO_COMP
868 	COMP_CTX *expand;			/* uncompress */
869 #else
870 	char *expand;
871 #endif
872 
873 	EVP_CIPHER_CTX *enc_write_ctx;		/* cryptographic state */
874 	const EVP_MD *write_hash;		/* used for mac generation */
875 #ifndef OPENSSL_NO_COMP
876 	COMP_CTX *compress;			/* compression */
877 #else
878 	char *compress;
879 #endif
880 
881 	/* session info */
882 
883 	/* client cert? */
884 	/* This is used to hold the server certificate used */
885 	struct cert_st /* CERT */ *cert;
886 
887 	/* the session_id_context is used to ensure sessions are only reused
888 	 * in the appropriate context */
889 	unsigned int sid_ctx_length;
890 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
891 
892 	/* This can also be in the session once a session is established */
893 	SSL_SESSION *session;
894 
895 	/* Default generate session ID callback. */
896 	GEN_SESSION_CB generate_session_id;
897 
898 	/* Used in SSL2 and SSL3 */
899 	int verify_mode;	/* 0 don't care about verify failure.
900 				 * 1 fail if verify fails */
901 	int verify_depth;
902 	int (*verify_callback)(int ok,X509_STORE_CTX *ctx); /* fail if callback returns 0 */
903 
904 	void (*info_callback)(const SSL *ssl,int type,int val); /* optional informational callback */
905 
906 	int error;		/* error bytes to be written */
907 	int error_code;		/* actual code */
908 
909 #ifndef OPENSSL_NO_KRB5
910 	KSSL_CTX *kssl_ctx;     /* Kerberos 5 context */
911 #endif	/* OPENSSL_NO_KRB5 */
912 
913 	SSL_CTX *ctx;
914 	/* set this flag to 1 and a sleep(1) is put into all SSL_read()
915 	 * and SSL_write() calls, good for nbio debuging :-) */
916 	int debug;
917 
918 	/* extra application data */
919 	long verify_result;
920 	CRYPTO_EX_DATA ex_data;
921 
922 	/* for server side, keep the list of CA_dn we can use */
923 	STACK_OF(X509_NAME) *client_CA;
924 
925 	int references;
926 	unsigned long options; /* protocol behaviour */
927 	unsigned long mode; /* API behaviour */
928 	long max_cert_list;
929 	int first_packet;
930 	int client_version;	/* what was passed, used for
931 				 * SSLv3/TLS rollback check */
932 	};
933 
934 #ifdef __cplusplus
935 }
936 #endif
937 
938 #include <openssl/ssl2.h>
939 #include <openssl/ssl3.h>
940 #include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
941 #include <openssl/ssl23.h>
942 
943 #ifdef  __cplusplus
944 extern "C" {
945 #endif
946 
947 /* compatibility */
948 #define SSL_set_app_data(s,arg)		(SSL_set_ex_data(s,0,(char *)arg))
949 #define SSL_get_app_data(s)		(SSL_get_ex_data(s,0))
950 #define SSL_SESSION_set_app_data(s,a)	(SSL_SESSION_set_ex_data(s,0,(char *)a))
951 #define SSL_SESSION_get_app_data(s)	(SSL_SESSION_get_ex_data(s,0))
952 #define SSL_CTX_get_app_data(ctx)	(SSL_CTX_get_ex_data(ctx,0))
953 #define SSL_CTX_set_app_data(ctx,arg)	(SSL_CTX_set_ex_data(ctx,0,(char *)arg))
954 
955 /* The following are the possible values for ssl->state are are
956  * used to indicate where we are up to in the SSL connection establishment.
957  * The macros that follow are about the only things you should need to use
958  * and even then, only when using non-blocking IO.
959  * It can also be useful to work out where you were when the connection
960  * failed */
961 
962 #define SSL_ST_CONNECT			0x1000
963 #define SSL_ST_ACCEPT			0x2000
964 #define SSL_ST_MASK			0x0FFF
965 #define SSL_ST_INIT			(SSL_ST_CONNECT|SSL_ST_ACCEPT)
966 #define SSL_ST_BEFORE			0x4000
967 #define SSL_ST_OK			0x03
968 #define SSL_ST_RENEGOTIATE		(0x04|SSL_ST_INIT)
969 
970 #define SSL_CB_LOOP			0x01
971 #define SSL_CB_EXIT			0x02
972 #define SSL_CB_READ			0x04
973 #define SSL_CB_WRITE			0x08
974 #define SSL_CB_ALERT			0x4000 /* used in callback */
975 #define SSL_CB_READ_ALERT		(SSL_CB_ALERT|SSL_CB_READ)
976 #define SSL_CB_WRITE_ALERT		(SSL_CB_ALERT|SSL_CB_WRITE)
977 #define SSL_CB_ACCEPT_LOOP		(SSL_ST_ACCEPT|SSL_CB_LOOP)
978 #define SSL_CB_ACCEPT_EXIT		(SSL_ST_ACCEPT|SSL_CB_EXIT)
979 #define SSL_CB_CONNECT_LOOP		(SSL_ST_CONNECT|SSL_CB_LOOP)
980 #define SSL_CB_CONNECT_EXIT		(SSL_ST_CONNECT|SSL_CB_EXIT)
981 #define SSL_CB_HANDSHAKE_START		0x10
982 #define SSL_CB_HANDSHAKE_DONE		0x20
983 
984 /* Is the SSL_connection established? */
985 #define SSL_get_state(a)		SSL_state(a)
986 #define SSL_is_init_finished(a)		(SSL_state(a) == SSL_ST_OK)
987 #define SSL_in_init(a)			(SSL_state(a)&SSL_ST_INIT)
988 #define SSL_in_before(a)		(SSL_state(a)&SSL_ST_BEFORE)
989 #define SSL_in_connect_init(a)		(SSL_state(a)&SSL_ST_CONNECT)
990 #define SSL_in_accept_init(a)		(SSL_state(a)&SSL_ST_ACCEPT)
991 
992 /* The following 2 states are kept in ssl->rstate when reads fail,
993  * you should not need these */
994 #define SSL_ST_READ_HEADER			0xF0
995 #define SSL_ST_READ_BODY			0xF1
996 #define SSL_ST_READ_DONE			0xF2
997 
998 /* Obtain latest Finished message
999  *   -- that we sent (SSL_get_finished)
1000  *   -- that we expected from peer (SSL_get_peer_finished).
1001  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
1002 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1003 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1004 
1005 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
1006  * are 'ored' with SSL_VERIFY_PEER if they are desired */
1007 #define SSL_VERIFY_NONE			0x00
1008 #define SSL_VERIFY_PEER			0x01
1009 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT	0x02
1010 #define SSL_VERIFY_CLIENT_ONCE		0x04
1011 
1012 #define OpenSSL_add_ssl_algorithms()	SSL_library_init()
1013 #define SSLeay_add_ssl_algorithms()	SSL_library_init()
1014 
1015 /* this is for backward compatibility */
1016 #if 0 /* NEW_SSLEAY */
1017 #define SSL_CTX_set_default_verify(a,b,c) SSL_CTX_set_verify(a,b,c)
1018 #define SSL_set_pref_cipher(c,n)	SSL_set_cipher_list(c,n)
1019 #define SSL_add_session(a,b)            SSL_CTX_add_session((a),(b))
1020 #define SSL_remove_session(a,b)		SSL_CTX_remove_session((a),(b))
1021 #define SSL_flush_sessions(a,b)		SSL_CTX_flush_sessions((a),(b))
1022 #endif
1023 /* More backward compatibility */
1024 #define SSL_get_cipher(s) \
1025 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1026 #define SSL_get_cipher_bits(s,np) \
1027 		SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1028 #define SSL_get_cipher_version(s) \
1029 		SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1030 #define SSL_get_cipher_name(s) \
1031 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1032 #define SSL_get_time(a)		SSL_SESSION_get_time(a)
1033 #define SSL_set_time(a,b)	SSL_SESSION_set_time((a),(b))
1034 #define SSL_get_timeout(a)	SSL_SESSION_get_timeout(a)
1035 #define SSL_set_timeout(a,b)	SSL_SESSION_set_timeout((a),(b))
1036 
1037 #if 1 /*SSLEAY_MACROS*/
1038 #define d2i_SSL_SESSION_bio(bp,s_id) (SSL_SESSION *)ASN1_d2i_bio( \
1039 	(char *(*)())SSL_SESSION_new,(char *(*)())d2i_SSL_SESSION, \
1040 	(bp),(unsigned char **)(s_id))
1041 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio(i2d_SSL_SESSION, \
1042 	bp,(unsigned char *)s_id)
1043 #define PEM_read_SSL_SESSION(fp,x,cb,u) (SSL_SESSION *)PEM_ASN1_read( \
1044 	(char *(*)())d2i_SSL_SESSION,PEM_STRING_SSL_SESSION,fp,(char **)x,cb,u)
1045 #define PEM_read_bio_SSL_SESSION(bp,x,cb,u) (SSL_SESSION *)PEM_ASN1_read_bio( \
1046 	(char *(*)())d2i_SSL_SESSION,PEM_STRING_SSL_SESSION,bp,(char **)x,cb,u)
1047 #define PEM_write_SSL_SESSION(fp,x) \
1048 	PEM_ASN1_write((int (*)())i2d_SSL_SESSION, \
1049 		PEM_STRING_SSL_SESSION,fp, (char *)x, NULL,NULL,0,NULL,NULL)
1050 #define PEM_write_bio_SSL_SESSION(bp,x) \
1051 	PEM_ASN1_write_bio((int (*)())i2d_SSL_SESSION, \
1052 		PEM_STRING_SSL_SESSION,bp, (char *)x, NULL,NULL,0,NULL,NULL)
1053 #endif
1054 
1055 #define SSL_AD_REASON_OFFSET		1000
1056 /* These alert types are for SSLv3 and TLSv1 */
1057 #define SSL_AD_CLOSE_NOTIFY		SSL3_AD_CLOSE_NOTIFY
1058 #define SSL_AD_UNEXPECTED_MESSAGE	SSL3_AD_UNEXPECTED_MESSAGE /* fatal */
1059 #define SSL_AD_BAD_RECORD_MAC		SSL3_AD_BAD_RECORD_MAC     /* fatal */
1060 #define SSL_AD_DECRYPTION_FAILED	TLS1_AD_DECRYPTION_FAILED
1061 #define SSL_AD_RECORD_OVERFLOW		TLS1_AD_RECORD_OVERFLOW
1062 #define SSL_AD_DECOMPRESSION_FAILURE	SSL3_AD_DECOMPRESSION_FAILURE/* fatal */
1063 #define SSL_AD_HANDSHAKE_FAILURE	SSL3_AD_HANDSHAKE_FAILURE/* fatal */
1064 #define SSL_AD_NO_CERTIFICATE		SSL3_AD_NO_CERTIFICATE /* Not for TLS */
1065 #define SSL_AD_BAD_CERTIFICATE		SSL3_AD_BAD_CERTIFICATE
1066 #define SSL_AD_UNSUPPORTED_CERTIFICATE	SSL3_AD_UNSUPPORTED_CERTIFICATE
1067 #define SSL_AD_CERTIFICATE_REVOKED	SSL3_AD_CERTIFICATE_REVOKED
1068 #define SSL_AD_CERTIFICATE_EXPIRED	SSL3_AD_CERTIFICATE_EXPIRED
1069 #define SSL_AD_CERTIFICATE_UNKNOWN	SSL3_AD_CERTIFICATE_UNKNOWN
1070 #define SSL_AD_ILLEGAL_PARAMETER	SSL3_AD_ILLEGAL_PARAMETER   /* fatal */
1071 #define SSL_AD_UNKNOWN_CA		TLS1_AD_UNKNOWN_CA	/* fatal */
1072 #define SSL_AD_ACCESS_DENIED		TLS1_AD_ACCESS_DENIED	/* fatal */
1073 #define SSL_AD_DECODE_ERROR		TLS1_AD_DECODE_ERROR	/* fatal */
1074 #define SSL_AD_DECRYPT_ERROR		TLS1_AD_DECRYPT_ERROR
1075 #define SSL_AD_EXPORT_RESTRICTION	TLS1_AD_EXPORT_RESTRICTION/* fatal */
1076 #define SSL_AD_PROTOCOL_VERSION		TLS1_AD_PROTOCOL_VERSION /* fatal */
1077 #define SSL_AD_INSUFFICIENT_SECURITY	TLS1_AD_INSUFFICIENT_SECURITY/* fatal */
1078 #define SSL_AD_INTERNAL_ERROR		TLS1_AD_INTERNAL_ERROR	/* fatal */
1079 #define SSL_AD_USER_CANCELLED		TLS1_AD_USER_CANCELLED
1080 #define SSL_AD_NO_RENEGOTIATION		TLS1_AD_NO_RENEGOTIATION
1081 
1082 #define SSL_ERROR_NONE			0
1083 #define SSL_ERROR_SSL			1
1084 #define SSL_ERROR_WANT_READ		2
1085 #define SSL_ERROR_WANT_WRITE		3
1086 #define SSL_ERROR_WANT_X509_LOOKUP	4
1087 #define SSL_ERROR_SYSCALL		5 /* look at error stack/return value/errno */
1088 #define SSL_ERROR_ZERO_RETURN		6
1089 #define SSL_ERROR_WANT_CONNECT		7
1090 #define SSL_ERROR_WANT_ACCEPT		8
1091 
1092 #define SSL_CTRL_NEED_TMP_RSA			1
1093 #define SSL_CTRL_SET_TMP_RSA			2
1094 #define SSL_CTRL_SET_TMP_DH			3
1095 #define SSL_CTRL_SET_TMP_RSA_CB			4
1096 #define SSL_CTRL_SET_TMP_DH_CB			5
1097 
1098 #define SSL_CTRL_GET_SESSION_REUSED		6
1099 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST	7
1100 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS		8
1101 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS	9
1102 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS	10
1103 #define SSL_CTRL_GET_FLAGS			11
1104 #define SSL_CTRL_EXTRA_CHAIN_CERT		12
1105 
1106 #define SSL_CTRL_SET_MSG_CALLBACK               13
1107 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           14
1108 
1109 /* Stats */
1110 #define SSL_CTRL_SESS_NUMBER			20
1111 #define SSL_CTRL_SESS_CONNECT			21
1112 #define SSL_CTRL_SESS_CONNECT_GOOD		22
1113 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE	23
1114 #define SSL_CTRL_SESS_ACCEPT			24
1115 #define SSL_CTRL_SESS_ACCEPT_GOOD		25
1116 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE	26
1117 #define SSL_CTRL_SESS_HIT			27
1118 #define SSL_CTRL_SESS_CB_HIT			28
1119 #define SSL_CTRL_SESS_MISSES			29
1120 #define SSL_CTRL_SESS_TIMEOUTS			30
1121 #define SSL_CTRL_SESS_CACHE_FULL		31
1122 #define SSL_CTRL_OPTIONS			32
1123 #define SSL_CTRL_MODE				33
1124 
1125 #define SSL_CTRL_GET_READ_AHEAD			40
1126 #define SSL_CTRL_SET_READ_AHEAD			41
1127 #define SSL_CTRL_SET_SESS_CACHE_SIZE		42
1128 #define SSL_CTRL_GET_SESS_CACHE_SIZE		43
1129 #define SSL_CTRL_SET_SESS_CACHE_MODE		44
1130 #define SSL_CTRL_GET_SESS_CACHE_MODE		45
1131 
1132 #define SSL_CTRL_GET_MAX_CERT_LIST		50
1133 #define SSL_CTRL_SET_MAX_CERT_LIST		51
1134 
1135 #define SSL_session_reused(ssl) \
1136 	SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
1137 #define SSL_num_renegotiations(ssl) \
1138 	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1139 #define SSL_clear_num_renegotiations(ssl) \
1140 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1141 #define SSL_total_renegotiations(ssl) \
1142 	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1143 
1144 #define SSL_CTX_need_tmp_RSA(ctx) \
1145 	SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1146 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
1147 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1148 #define SSL_CTX_set_tmp_dh(ctx,dh) \
1149 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1150 
1151 #define SSL_need_tmp_RSA(ssl) \
1152 	SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1153 #define SSL_set_tmp_rsa(ssl,rsa) \
1154 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1155 #define SSL_set_tmp_dh(ssl,dh) \
1156 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1157 
1158 #define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1159 	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
1160 
1161 #ifndef OPENSSL_NO_BIO
1162 BIO_METHOD *BIO_f_ssl(void);
1163 BIO *BIO_new_ssl(SSL_CTX *ctx,int client);
1164 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1165 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1166 int BIO_ssl_copy_session_id(BIO *to,BIO *from);
1167 void BIO_ssl_shutdown(BIO *ssl_bio);
1168 
1169 #endif
1170 
1171 int	SSL_CTX_set_cipher_list(SSL_CTX *,const char *str);
1172 SSL_CTX *SSL_CTX_new(SSL_METHOD *meth);
1173 void	SSL_CTX_free(SSL_CTX *);
1174 long SSL_CTX_set_timeout(SSL_CTX *ctx,long t);
1175 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1176 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1177 void SSL_CTX_set_cert_store(SSL_CTX *,X509_STORE *);
1178 int SSL_want(const SSL *s);
1179 int	SSL_clear(SSL *s);
1180 
1181 void	SSL_CTX_flush_sessions(SSL_CTX *ctx,long tm);
1182 
1183 SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1184 int	SSL_CIPHER_get_bits(const SSL_CIPHER *c,int *alg_bits);
1185 char *	SSL_CIPHER_get_version(const SSL_CIPHER *c);
1186 const char *	SSL_CIPHER_get_name(const SSL_CIPHER *c);
1187 
1188 int	SSL_get_fd(const SSL *s);
1189 int	SSL_get_rfd(const SSL *s);
1190 int	SSL_get_wfd(const SSL *s);
1191 const char  * SSL_get_cipher_list(const SSL *s,int n);
1192 char *	SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1193 int	SSL_get_read_ahead(const SSL * s);
1194 int	SSL_pending(const SSL *s);
1195 #ifndef OPENSSL_NO_SOCK
1196 int	SSL_set_fd(SSL *s, int fd);
1197 int	SSL_set_rfd(SSL *s, int fd);
1198 int	SSL_set_wfd(SSL *s, int fd);
1199 #endif
1200 #ifndef OPENSSL_NO_BIO
1201 void	SSL_set_bio(SSL *s, BIO *rbio,BIO *wbio);
1202 BIO *	SSL_get_rbio(const SSL *s);
1203 BIO *	SSL_get_wbio(const SSL *s);
1204 #endif
1205 int	SSL_set_cipher_list(SSL *s, const char *str);
1206 void	SSL_set_read_ahead(SSL *s, int yes);
1207 int	SSL_get_verify_mode(const SSL *s);
1208 int	SSL_get_verify_depth(const SSL *s);
1209 int	(*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *);
1210 void	SSL_set_verify(SSL *s, int mode,
1211 		       int (*callback)(int ok,X509_STORE_CTX *ctx));
1212 void	SSL_set_verify_depth(SSL *s, int depth);
1213 #ifndef OPENSSL_NO_RSA
1214 int	SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1215 #endif
1216 int	SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
1217 int	SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1218 int	SSL_use_PrivateKey_ASN1(int pk,SSL *ssl, unsigned char *d, long len);
1219 int	SSL_use_certificate(SSL *ssl, X509 *x);
1220 int	SSL_use_certificate_ASN1(SSL *ssl, unsigned char *d, int len);
1221 
1222 #ifndef OPENSSL_NO_STDIO
1223 int	SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1224 int	SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1225 int	SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1226 int	SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1227 int	SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1228 int	SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1229 int	SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1230 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1231 int	SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1232 					    const char *file);
1233 #ifndef OPENSSL_SYS_VMS
1234 #ifndef OPENSSL_SYS_MACINTOSH_CLASSIC /* XXXXX: Better scheme needed! [was: #ifndef MAC_OS_pre_X] */
1235 int	SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1236 					   const char *dir);
1237 #endif
1238 #endif
1239 
1240 #endif
1241 
1242 void	SSL_load_error_strings(void );
1243 const char *SSL_state_string(const SSL *s);
1244 const char *SSL_rstate_string(const SSL *s);
1245 const char *SSL_state_string_long(const SSL *s);
1246 const char *SSL_rstate_string_long(const SSL *s);
1247 long	SSL_SESSION_get_time(const SSL_SESSION *s);
1248 long	SSL_SESSION_set_time(SSL_SESSION *s, long t);
1249 long	SSL_SESSION_get_timeout(const SSL_SESSION *s);
1250 long	SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1251 void	SSL_copy_session_id(SSL *to,const SSL *from);
1252 
1253 SSL_SESSION *SSL_SESSION_new(void);
1254 unsigned long SSL_SESSION_hash(const SSL_SESSION *a);
1255 int	SSL_SESSION_cmp(const SSL_SESSION *a,const SSL_SESSION *b);
1256 #ifndef OPENSSL_NO_FP_API
1257 int	SSL_SESSION_print_fp(FILE *fp,const SSL_SESSION *ses);
1258 #endif
1259 #ifndef OPENSSL_NO_BIO
1260 int	SSL_SESSION_print(BIO *fp,const SSL_SESSION *ses);
1261 #endif
1262 void	SSL_SESSION_free(SSL_SESSION *ses);
1263 int	i2d_SSL_SESSION(SSL_SESSION *in,unsigned char **pp);
1264 int	SSL_set_session(SSL *to, SSL_SESSION *session);
1265 int	SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1266 int	SSL_CTX_remove_session(SSL_CTX *,SSL_SESSION *c);
1267 int	SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1268 int	SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1269 int	SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1270 					unsigned int id_len);
1271 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a,const unsigned char * const *pp,
1272 			     long length);
1273 
1274 #ifdef HEADER_X509_H
1275 X509 *	SSL_get_peer_certificate(const SSL *s);
1276 #endif
1277 
1278 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1279 
1280 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1281 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1282 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *);
1283 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,
1284 			int (*callback)(int, X509_STORE_CTX *));
1285 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth);
1286 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg);
1287 #ifndef OPENSSL_NO_RSA
1288 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1289 #endif
1290 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, unsigned char *d, long len);
1291 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1292 int SSL_CTX_use_PrivateKey_ASN1(int pk,SSL_CTX *ctx,
1293 	unsigned char *d, long len);
1294 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1295 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, unsigned char *d);
1296 
1297 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1298 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1299 
1300 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1301 int SSL_check_private_key(const SSL *ctx);
1302 
1303 int	SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
1304 				       unsigned int sid_ctx_len);
1305 
1306 SSL *	SSL_new(SSL_CTX *ctx);
1307 int	SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
1308 				   unsigned int sid_ctx_len);
1309 
1310 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1311 int SSL_set_purpose(SSL *s, int purpose);
1312 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1313 int SSL_set_trust(SSL *s, int trust);
1314 
1315 void	SSL_free(SSL *ssl);
1316 int 	SSL_accept(SSL *ssl);
1317 int 	SSL_connect(SSL *ssl);
1318 int 	SSL_read(SSL *ssl,void *buf,int num);
1319 int 	SSL_peek(SSL *ssl,void *buf,int num);
1320 int 	SSL_write(SSL *ssl,const void *buf,int num);
1321 long	SSL_ctrl(SSL *ssl,int cmd, long larg, void *parg);
1322 long	SSL_callback_ctrl(SSL *, int, void (*)());
1323 long	SSL_CTX_ctrl(SSL_CTX *ctx,int cmd, long larg, void *parg);
1324 long	SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)());
1325 
1326 int	SSL_get_error(const SSL *s,int ret_code);
1327 const char *SSL_get_version(const SSL *s);
1328 
1329 /* This sets the 'default' SSL version that SSL_new() will create */
1330 int SSL_CTX_set_ssl_version(SSL_CTX *ctx,SSL_METHOD *meth);
1331 
1332 SSL_METHOD *SSLv2_method(void);		/* SSLv2 */
1333 SSL_METHOD *SSLv2_server_method(void);	/* SSLv2 */
1334 SSL_METHOD *SSLv2_client_method(void);	/* SSLv2 */
1335 
1336 SSL_METHOD *SSLv3_method(void);		/* SSLv3 */
1337 SSL_METHOD *SSLv3_server_method(void);	/* SSLv3 */
1338 SSL_METHOD *SSLv3_client_method(void);	/* SSLv3 */
1339 
1340 SSL_METHOD *SSLv23_method(void);	/* SSLv3 but can rollback to v2 */
1341 SSL_METHOD *SSLv23_server_method(void);	/* SSLv3 but can rollback to v2 */
1342 SSL_METHOD *SSLv23_client_method(void);	/* SSLv3 but can rollback to v2 */
1343 
1344 SSL_METHOD *TLSv1_method(void);		/* TLSv1.0 */
1345 SSL_METHOD *TLSv1_server_method(void);	/* TLSv1.0 */
1346 SSL_METHOD *TLSv1_client_method(void);	/* TLSv1.0 */
1347 
1348 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1349 
1350 int SSL_do_handshake(SSL *s);
1351 int SSL_renegotiate(SSL *s);
1352 int SSL_renegotiate_pending(SSL *s);
1353 int SSL_shutdown(SSL *s);
1354 
1355 SSL_METHOD *SSL_get_ssl_method(SSL *s);
1356 int SSL_set_ssl_method(SSL *s,SSL_METHOD *method);
1357 const char *SSL_alert_type_string_long(int value);
1358 const char *SSL_alert_type_string(int value);
1359 const char *SSL_alert_desc_string_long(int value);
1360 const char *SSL_alert_desc_string(int value);
1361 
1362 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1363 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1364 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1365 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1366 int SSL_add_client_CA(SSL *ssl,X509 *x);
1367 int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x);
1368 
1369 void SSL_set_connect_state(SSL *s);
1370 void SSL_set_accept_state(SSL *s);
1371 
1372 long SSL_get_default_timeout(const SSL *s);
1373 
1374 int SSL_library_init(void );
1375 
1376 char *SSL_CIPHER_description(SSL_CIPHER *,char *buf,int size);
1377 STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk);
1378 
1379 SSL *SSL_dup(SSL *ssl);
1380 
1381 X509 *SSL_get_certificate(const SSL *ssl);
1382 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(SSL *ssl);
1383 
1384 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
1385 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1386 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
1387 int SSL_get_quiet_shutdown(const SSL *ssl);
1388 void SSL_set_shutdown(SSL *ssl,int mode);
1389 int SSL_get_shutdown(const SSL *ssl);
1390 int SSL_version(const SSL *ssl);
1391 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1392 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1393 	const char *CApath);
1394 #define SSL_get0_session SSL_get_session /* just peek at pointer */
1395 SSL_SESSION *SSL_get_session(const SSL *ssl);
1396 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1397 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1398 void SSL_set_info_callback(SSL *ssl,
1399 			   void (*cb)(const SSL *ssl,int type,int val));
1400 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl,int type,int val);
1401 int SSL_state(const SSL *ssl);
1402 
1403 void SSL_set_verify_result(SSL *ssl,long v);
1404 long SSL_get_verify_result(const SSL *ssl);
1405 
1406 int SSL_set_ex_data(SSL *ssl,int idx,void *data);
1407 void *SSL_get_ex_data(const SSL *ssl,int idx);
1408 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1409 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1410 
1411 int SSL_SESSION_set_ex_data(SSL_SESSION *ss,int idx,void *data);
1412 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss,int idx);
1413 int SSL_SESSION_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1414 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1415 
1416 int SSL_CTX_set_ex_data(SSL_CTX *ssl,int idx,void *data);
1417 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl,int idx);
1418 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
1419 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
1420 
1421 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
1422 
1423 #define SSL_CTX_sess_set_cache_size(ctx,t) \
1424 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
1425 #define SSL_CTX_sess_get_cache_size(ctx) \
1426 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
1427 #define SSL_CTX_set_session_cache_mode(ctx,m) \
1428 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
1429 #define SSL_CTX_get_session_cache_mode(ctx) \
1430 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
1431 
1432 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
1433 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
1434 #define SSL_CTX_get_read_ahead(ctx) \
1435 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
1436 #define SSL_CTX_set_read_ahead(ctx,m) \
1437 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
1438 #define SSL_CTX_get_max_cert_list(ctx) \
1439 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1440 #define SSL_CTX_set_max_cert_list(ctx,m) \
1441 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1442 #define SSL_get_max_cert_list(ssl) \
1443 	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
1444 #define SSL_set_max_cert_list(ssl,m) \
1445 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
1446 
1447      /* NB: the keylength is only applicable when is_export is true */
1448 #ifndef OPENSSL_NO_RSA
1449 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
1450 				  RSA *(*cb)(SSL *ssl,int is_export,
1451 					     int keylength));
1452 
1453 void SSL_set_tmp_rsa_callback(SSL *ssl,
1454 				  RSA *(*cb)(SSL *ssl,int is_export,
1455 					     int keylength));
1456 #endif
1457 #ifndef OPENSSL_NO_DH
1458 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
1459 				 DH *(*dh)(SSL *ssl,int is_export,
1460 					   int keylength));
1461 void SSL_set_tmp_dh_callback(SSL *ssl,
1462 				 DH *(*dh)(SSL *ssl,int is_export,
1463 					   int keylength));
1464 #endif
1465 
1466 #ifndef OPENSSL_NO_COMP
1467 int SSL_COMP_add_compression_method(int id,COMP_METHOD *cm);
1468 #else
1469 int SSL_COMP_add_compression_method(int id,char *cm);
1470 #endif
1471 
1472 /* BEGIN ERROR CODES */
1473 /* The following lines are auto generated by the script mkerr.pl. Any changes
1474  * made after this point may be overwritten when the script is next run.
1475  */
1476 void ERR_load_SSL_strings(void);
1477 
1478 /* Error codes for the SSL functions. */
1479 
1480 /* Function codes. */
1481 #define SSL_F_CLIENT_CERTIFICATE			 100
1482 #define SSL_F_CLIENT_FINISHED				 238
1483 #define SSL_F_CLIENT_HELLO				 101
1484 #define SSL_F_CLIENT_MASTER_KEY				 102
1485 #define SSL_F_D2I_SSL_SESSION				 103
1486 #define SSL_F_DO_SSL3_WRITE				 104
1487 #define SSL_F_GET_CLIENT_FINISHED			 105
1488 #define SSL_F_GET_CLIENT_HELLO				 106
1489 #define SSL_F_GET_CLIENT_MASTER_KEY			 107
1490 #define SSL_F_GET_SERVER_FINISHED			 108
1491 #define SSL_F_GET_SERVER_HELLO				 109
1492 #define SSL_F_GET_SERVER_VERIFY				 110
1493 #define SSL_F_I2D_SSL_SESSION				 111
1494 #define SSL_F_READ_N					 112
1495 #define SSL_F_REQUEST_CERTIFICATE			 113
1496 #define SSL_F_SERVER_FINISH				 239
1497 #define SSL_F_SERVER_HELLO				 114
1498 #define SSL_F_SERVER_VERIFY				 240
1499 #define SSL_F_SSL23_ACCEPT				 115
1500 #define SSL_F_SSL23_CLIENT_HELLO			 116
1501 #define SSL_F_SSL23_CONNECT				 117
1502 #define SSL_F_SSL23_GET_CLIENT_HELLO			 118
1503 #define SSL_F_SSL23_GET_SERVER_HELLO			 119
1504 #define SSL_F_SSL23_PEEK				 237
1505 #define SSL_F_SSL23_READ				 120
1506 #define SSL_F_SSL23_WRITE				 121
1507 #define SSL_F_SSL2_ACCEPT				 122
1508 #define SSL_F_SSL2_CONNECT				 123
1509 #define SSL_F_SSL2_ENC_INIT				 124
1510 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL		 241
1511 #define SSL_F_SSL2_PEEK					 234
1512 #define SSL_F_SSL2_READ					 125
1513 #define SSL_F_SSL2_READ_INTERNAL			 236
1514 #define SSL_F_SSL2_SET_CERTIFICATE			 126
1515 #define SSL_F_SSL2_WRITE				 127
1516 #define SSL_F_SSL3_ACCEPT				 128
1517 #define SSL_F_SSL3_CALLBACK_CTRL			 233
1518 #define SSL_F_SSL3_CHANGE_CIPHER_STATE			 129
1519 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM		 130
1520 #define SSL_F_SSL3_CLIENT_HELLO				 131
1521 #define SSL_F_SSL3_CONNECT				 132
1522 #define SSL_F_SSL3_CTRL					 213
1523 #define SSL_F_SSL3_CTX_CTRL				 133
1524 #define SSL_F_SSL3_ENC					 134
1525 #define SSL_F_SSL3_GENERATE_KEY_BLOCK			 238
1526 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST		 135
1527 #define SSL_F_SSL3_GET_CERT_VERIFY			 136
1528 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE		 137
1529 #define SSL_F_SSL3_GET_CLIENT_HELLO			 138
1530 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE		 139
1531 #define SSL_F_SSL3_GET_FINISHED				 140
1532 #define SSL_F_SSL3_GET_KEY_EXCHANGE			 141
1533 #define SSL_F_SSL3_GET_MESSAGE				 142
1534 #define SSL_F_SSL3_GET_RECORD				 143
1535 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE		 144
1536 #define SSL_F_SSL3_GET_SERVER_DONE			 145
1537 #define SSL_F_SSL3_GET_SERVER_HELLO			 146
1538 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN			 147
1539 #define SSL_F_SSL3_PEEK					 235
1540 #define SSL_F_SSL3_READ_BYTES				 148
1541 #define SSL_F_SSL3_READ_N				 149
1542 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST		 150
1543 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE		 151
1544 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE		 152
1545 #define SSL_F_SSL3_SEND_CLIENT_VERIFY			 153
1546 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE		 154
1547 #define SSL_F_SSL3_SEND_SERVER_HELLO			 242
1548 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE		 155
1549 #define SSL_F_SSL3_SETUP_BUFFERS			 156
1550 #define SSL_F_SSL3_SETUP_KEY_BLOCK			 157
1551 #define SSL_F_SSL3_WRITE_BYTES				 158
1552 #define SSL_F_SSL3_WRITE_PENDING			 159
1553 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK	 215
1554 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK	 216
1555 #define SSL_F_SSL_BAD_METHOD				 160
1556 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST			 161
1557 #define SSL_F_SSL_CERT_DUP				 221
1558 #define SSL_F_SSL_CERT_INST				 222
1559 #define SSL_F_SSL_CERT_INSTANTIATE			 214
1560 #define SSL_F_SSL_CERT_NEW				 162
1561 #define SSL_F_SSL_CHECK_PRIVATE_KEY			 163
1562 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR		 230
1563 #define SSL_F_SSL_CIPHER_STRENGTH_SORT			 231
1564 #define SSL_F_SSL_CLEAR					 164
1565 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD		 165
1566 #define SSL_F_SSL_CREATE_CIPHER_LIST			 166
1567 #define SSL_F_SSL_CTRL					 232
1568 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY			 168
1569 #define SSL_F_SSL_CTX_NEW				 169
1570 #define SSL_F_SSL_CTX_SET_CIPHER_LIST			 269
1571 #define SSL_F_SSL_CTX_SET_PURPOSE			 226
1572 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT		 219
1573 #define SSL_F_SSL_CTX_SET_SSL_VERSION			 170
1574 #define SSL_F_SSL_CTX_SET_TRUST				 229
1575 #define SSL_F_SSL_CTX_USE_CERTIFICATE			 171
1576 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1		 172
1577 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE	 220
1578 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE		 173
1579 #define SSL_F_SSL_CTX_USE_PRIVATEKEY			 174
1580 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1		 175
1581 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE		 176
1582 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY			 177
1583 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1		 178
1584 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE		 179
1585 #define SSL_F_SSL_DO_HANDSHAKE				 180
1586 #define SSL_F_SSL_GET_NEW_SESSION			 181
1587 #define SSL_F_SSL_GET_PREV_SESSION			 217
1588 #define SSL_F_SSL_GET_SERVER_SEND_CERT			 182
1589 #define SSL_F_SSL_GET_SIGN_PKEY				 183
1590 #define SSL_F_SSL_INIT_WBIO_BUFFER			 184
1591 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE			 185
1592 #define SSL_F_SSL_NEW					 186
1593 #define SSL_F_SSL_READ					 223
1594 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT			 187
1595 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT			 188
1596 #define SSL_F_SSL_SESSION_NEW				 189
1597 #define SSL_F_SSL_SESSION_PRINT_FP			 190
1598 #define SSL_F_SSL_SESS_CERT_NEW				 225
1599 #define SSL_F_SSL_SET_CERT				 191
1600 #define SSL_F_SSL_SET_CIPHER_LIST			 271
1601 #define SSL_F_SSL_SET_FD				 192
1602 #define SSL_F_SSL_SET_PKEY				 193
1603 #define SSL_F_SSL_SET_PURPOSE				 227
1604 #define SSL_F_SSL_SET_RFD				 194
1605 #define SSL_F_SSL_SET_SESSION				 195
1606 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT		 218
1607 #define SSL_F_SSL_SET_TRUST				 228
1608 #define SSL_F_SSL_SET_WFD				 196
1609 #define SSL_F_SSL_SHUTDOWN				 224
1610 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION		 243
1611 #define SSL_F_SSL_UNDEFINED_FUNCTION			 197
1612 #define SSL_F_SSL_USE_CERTIFICATE			 198
1613 #define SSL_F_SSL_USE_CERTIFICATE_ASN1			 199
1614 #define SSL_F_SSL_USE_CERTIFICATE_FILE			 200
1615 #define SSL_F_SSL_USE_PRIVATEKEY			 201
1616 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1			 202
1617 #define SSL_F_SSL_USE_PRIVATEKEY_FILE			 203
1618 #define SSL_F_SSL_USE_RSAPRIVATEKEY			 204
1619 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1		 205
1620 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE		 206
1621 #define SSL_F_SSL_VERIFY_CERT_CHAIN			 207
1622 #define SSL_F_SSL_WRITE					 208
1623 #define SSL_F_TLS1_CHANGE_CIPHER_STATE			 209
1624 #define SSL_F_TLS1_ENC					 210
1625 #define SSL_F_TLS1_SETUP_KEY_BLOCK			 211
1626 #define SSL_F_WRITE_PENDING				 212
1627 
1628 /* Reason codes. */
1629 #define SSL_R_APP_DATA_IN_HANDSHAKE			 100
1630 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
1631 #define SSL_R_BAD_ALERT_RECORD				 101
1632 #define SSL_R_BAD_AUTHENTICATION_TYPE			 102
1633 #define SSL_R_BAD_CHANGE_CIPHER_SPEC			 103
1634 #define SSL_R_BAD_CHECKSUM				 104
1635 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK		 106
1636 #define SSL_R_BAD_DECOMPRESSION				 107
1637 #define SSL_R_BAD_DH_G_LENGTH				 108
1638 #define SSL_R_BAD_DH_PUB_KEY_LENGTH			 109
1639 #define SSL_R_BAD_DH_P_LENGTH				 110
1640 #define SSL_R_BAD_DIGEST_LENGTH				 111
1641 #define SSL_R_BAD_DSA_SIGNATURE				 112
1642 #define SSL_R_BAD_HELLO_REQUEST				 105
1643 #define SSL_R_BAD_LENGTH				 271
1644 #define SSL_R_BAD_MAC_DECODE				 113
1645 #define SSL_R_BAD_MESSAGE_TYPE				 114
1646 #define SSL_R_BAD_PACKET_LENGTH				 115
1647 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER		 116
1648 #define SSL_R_BAD_RESPONSE_ARGUMENT			 117
1649 #define SSL_R_BAD_RSA_DECRYPT				 118
1650 #define SSL_R_BAD_RSA_ENCRYPT				 119
1651 #define SSL_R_BAD_RSA_E_LENGTH				 120
1652 #define SSL_R_BAD_RSA_MODULUS_LENGTH			 121
1653 #define SSL_R_BAD_RSA_SIGNATURE				 122
1654 #define SSL_R_BAD_SIGNATURE				 123
1655 #define SSL_R_BAD_SSL_FILETYPE				 124
1656 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH			 125
1657 #define SSL_R_BAD_STATE					 126
1658 #define SSL_R_BAD_WRITE_RETRY				 127
1659 #define SSL_R_BIO_NOT_SET				 128
1660 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG			 129
1661 #define SSL_R_BN_LIB					 130
1662 #define SSL_R_CA_DN_LENGTH_MISMATCH			 131
1663 #define SSL_R_CA_DN_TOO_LONG				 132
1664 #define SSL_R_CCS_RECEIVED_EARLY			 133
1665 #define SSL_R_CERTIFICATE_VERIFY_FAILED			 134
1666 #define SSL_R_CERT_LENGTH_MISMATCH			 135
1667 #define SSL_R_CHALLENGE_IS_DIFFERENT			 136
1668 #define SSL_R_CIPHER_CODE_WRONG_LENGTH			 137
1669 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE		 138
1670 #define SSL_R_CIPHER_TABLE_SRC_ERROR			 139
1671 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG		 140
1672 #define SSL_R_COMPRESSION_FAILURE			 141
1673 #define SSL_R_COMPRESSION_LIBRARY_ERROR			 142
1674 #define SSL_R_CONNECTION_ID_IS_DIFFERENT		 143
1675 #define SSL_R_CONNECTION_TYPE_NOT_SET			 144
1676 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED		 145
1677 #define SSL_R_DATA_LENGTH_TOO_LONG			 146
1678 #define SSL_R_DECRYPTION_FAILED				 147
1679 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC	 281
1680 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG		 148
1681 #define SSL_R_DIGEST_CHECK_FAILED			 149
1682 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG			 150
1683 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY		 282
1684 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST		 151
1685 #define SSL_R_EXCESSIVE_MESSAGE_SIZE			 152
1686 #define SSL_R_EXTRA_DATA_IN_MESSAGE			 153
1687 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS			 154
1688 #define SSL_R_HTTPS_PROXY_REQUEST			 155
1689 #define SSL_R_HTTP_REQUEST				 156
1690 #define SSL_R_ILLEGAL_PADDING				 283
1691 #define SSL_R_INVALID_CHALLENGE_LENGTH			 158
1692 #define SSL_R_INVALID_COMMAND				 280
1693 #define SSL_R_INVALID_PURPOSE				 278
1694 #define SSL_R_INVALID_TRUST				 279
1695 #define SSL_R_KEY_ARG_TOO_LONG				 284
1696 #define SSL_R_KRB5					 285
1697 #define SSL_R_KRB5_C_CC_PRINC				 286
1698 #define SSL_R_KRB5_C_GET_CRED				 287
1699 #define SSL_R_KRB5_C_INIT				 288
1700 #define SSL_R_KRB5_C_MK_REQ				 289
1701 #define SSL_R_KRB5_S_BAD_TICKET				 290
1702 #define SSL_R_KRB5_S_INIT				 291
1703 #define SSL_R_KRB5_S_RD_REQ				 292
1704 #define SSL_R_KRB5_S_TKT_EXPIRED			 293
1705 #define SSL_R_KRB5_S_TKT_NYV				 294
1706 #define SSL_R_KRB5_S_TKT_SKEW				 295
1707 #define SSL_R_LENGTH_MISMATCH				 159
1708 #define SSL_R_LENGTH_TOO_SHORT				 160
1709 #define SSL_R_LIBRARY_BUG				 274
1710 #define SSL_R_LIBRARY_HAS_NO_CIPHERS			 161
1711 #define SSL_R_MESSAGE_TOO_LONG				 296
1712 #define SSL_R_MISSING_DH_DSA_CERT			 162
1713 #define SSL_R_MISSING_DH_KEY				 163
1714 #define SSL_R_MISSING_DH_RSA_CERT			 164
1715 #define SSL_R_MISSING_DSA_SIGNING_CERT			 165
1716 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY			 166
1717 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY		 167
1718 #define SSL_R_MISSING_RSA_CERTIFICATE			 168
1719 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT		 169
1720 #define SSL_R_MISSING_RSA_SIGNING_CERT			 170
1721 #define SSL_R_MISSING_TMP_DH_KEY			 171
1722 #define SSL_R_MISSING_TMP_RSA_KEY			 172
1723 #define SSL_R_MISSING_TMP_RSA_PKEY			 173
1724 #define SSL_R_MISSING_VERIFY_MESSAGE			 174
1725 #define SSL_R_NON_SSLV2_INITIAL_PACKET			 175
1726 #define SSL_R_NO_CERTIFICATES_RETURNED			 176
1727 #define SSL_R_NO_CERTIFICATE_ASSIGNED			 177
1728 #define SSL_R_NO_CERTIFICATE_RETURNED			 178
1729 #define SSL_R_NO_CERTIFICATE_SET			 179
1730 #define SSL_R_NO_CERTIFICATE_SPECIFIED			 180
1731 #define SSL_R_NO_CIPHERS_AVAILABLE			 181
1732 #define SSL_R_NO_CIPHERS_PASSED				 182
1733 #define SSL_R_NO_CIPHERS_SPECIFIED			 183
1734 #define SSL_R_NO_CIPHER_LIST				 184
1735 #define SSL_R_NO_CIPHER_MATCH				 185
1736 #define SSL_R_NO_CLIENT_CERT_RECEIVED			 186
1737 #define SSL_R_NO_COMPRESSION_SPECIFIED			 187
1738 #define SSL_R_NO_METHOD_SPECIFIED			 188
1739 #define SSL_R_NO_PRIVATEKEY				 189
1740 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED			 190
1741 #define SSL_R_NO_PROTOCOLS_AVAILABLE			 191
1742 #define SSL_R_NO_PUBLICKEY				 192
1743 #define SSL_R_NO_SHARED_CIPHER				 193
1744 #define SSL_R_NO_VERIFY_CALLBACK			 194
1745 #define SSL_R_NULL_SSL_CTX				 195
1746 #define SSL_R_NULL_SSL_METHOD_PASSED			 196
1747 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED		 197
1748 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE		 297
1749 #define SSL_R_PACKET_LENGTH_TOO_LONG			 198
1750 #define SSL_R_PATH_TOO_LONG				 270
1751 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE		 199
1752 #define SSL_R_PEER_ERROR				 200
1753 #define SSL_R_PEER_ERROR_CERTIFICATE			 201
1754 #define SSL_R_PEER_ERROR_NO_CERTIFICATE			 202
1755 #define SSL_R_PEER_ERROR_NO_CIPHER			 203
1756 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE	 204
1757 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG			 205
1758 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS		 206
1759 #define SSL_R_PROTOCOL_IS_SHUTDOWN			 207
1760 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR			 208
1761 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA			 209
1762 #define SSL_R_PUBLIC_KEY_NOT_RSA			 210
1763 #define SSL_R_READ_BIO_NOT_SET				 211
1764 #define SSL_R_READ_WRONG_PACKET_TYPE			 212
1765 #define SSL_R_RECORD_LENGTH_MISMATCH			 213
1766 #define SSL_R_RECORD_TOO_LARGE				 214
1767 #define SSL_R_RECORD_TOO_SMALL				 298
1768 #define SSL_R_REQUIRED_CIPHER_MISSING			 215
1769 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO		 216
1770 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO			 217
1771 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO		 218
1772 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED		 277
1773 #define SSL_R_SHORT_READ				 219
1774 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE	 220
1775 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE		 221
1776 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG		 299
1777 #define SSL_R_SSL3_SESSION_ID_TOO_LONG			 300
1778 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT			 222
1779 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE		 1042
1780 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC		 1020
1781 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED		 1045
1782 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED		 1044
1783 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN		 1046
1784 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE		 1030
1785 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE		 1040
1786 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER		 1047
1787 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE		 1041
1788 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE		 1010
1789 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE	 1043
1790 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION	 228
1791 #define SSL_R_SSL_HANDSHAKE_FAILURE			 229
1792 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS		 230
1793 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED		 301
1794 #define SSL_R_SSL_SESSION_ID_CONFLICT			 302
1795 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG		 273
1796 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH		 303
1797 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT		 231
1798 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED			 1049
1799 #define SSL_R_TLSV1_ALERT_DECODE_ERROR			 1050
1800 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED		 1021
1801 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR			 1051
1802 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION		 1060
1803 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY		 1071
1804 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR		 1080
1805 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION		 1100
1806 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION		 1070
1807 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW		 1022
1808 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA			 1048
1809 #define SSL_R_TLSV1_ALERT_USER_CANCELLED		 1090
1810 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER	 232
1811 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
1812 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG	 234
1813 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER		 235
1814 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS			 236
1815 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY		 237
1816 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS		 238
1817 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS	 239
1818 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD			 240
1819 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES		 241
1820 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES		 242
1821 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES		 243
1822 #define SSL_R_UNEXPECTED_MESSAGE			 244
1823 #define SSL_R_UNEXPECTED_RECORD				 245
1824 #define SSL_R_UNINITIALIZED				 276
1825 #define SSL_R_UNKNOWN_ALERT_TYPE			 246
1826 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE			 247
1827 #define SSL_R_UNKNOWN_CIPHER_RETURNED			 248
1828 #define SSL_R_UNKNOWN_CIPHER_TYPE			 249
1829 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE			 250
1830 #define SSL_R_UNKNOWN_PKEY_TYPE				 251
1831 #define SSL_R_UNKNOWN_PROTOCOL				 252
1832 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE			 253
1833 #define SSL_R_UNKNOWN_SSL_VERSION			 254
1834 #define SSL_R_UNKNOWN_STATE				 255
1835 #define SSL_R_UNSUPPORTED_CIPHER			 256
1836 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM		 257
1837 #define SSL_R_UNSUPPORTED_PROTOCOL			 258
1838 #define SSL_R_UNSUPPORTED_SSL_VERSION			 259
1839 #define SSL_R_WRITE_BIO_NOT_SET				 260
1840 #define SSL_R_WRONG_CIPHER_RETURNED			 261
1841 #define SSL_R_WRONG_MESSAGE_TYPE			 262
1842 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS			 263
1843 #define SSL_R_WRONG_SIGNATURE_LENGTH			 264
1844 #define SSL_R_WRONG_SIGNATURE_SIZE			 265
1845 #define SSL_R_WRONG_SSL_VERSION				 266
1846 #define SSL_R_WRONG_VERSION_NUMBER			 267
1847 #define SSL_R_X509_LIB					 268
1848 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS		 269
1849 
1850 #ifdef  __cplusplus
1851 }
1852 #endif
1853 #endif
1854