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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) 1998-2007 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer.
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 /* ====================================================================
117  * Copyright 2005 Nokia. All rights reserved.
118  *
119  * The portions of the attached software ("Contribution") is developed by
120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
121  * license.
122  *
123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
125  * support (see RFC 4279) to OpenSSL.
126  *
127  * No patent licenses or other rights except those expressly stated in
128  * the OpenSSL open source license shall be deemed granted or received
129  * expressly, by implication, estoppel, or otherwise.
130  *
131  * No assurances are provided by Nokia that the Contribution does not
132  * infringe the patent or other intellectual property rights of any third
133  * party or that the license provides you with all the necessary rights
134  * to make use of the Contribution.
135  *
136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
140  * OTHERWISE.
141  */
142 
143 #ifndef HEADER_SSL_H
144 #define HEADER_SSL_H
145 
146 #include <openssl/e_os2.h>
147 
148 #ifndef OPENSSL_NO_COMP
149 #include <openssl/comp.h>
150 #endif
151 #ifndef OPENSSL_NO_BIO
152 #include <openssl/bio.h>
153 #endif
154 #ifndef OPENSSL_NO_DEPRECATED
155 #ifndef OPENSSL_NO_X509
156 #include <openssl/x509.h>
157 #endif
158 #include <openssl/crypto.h>
159 #include <openssl/lhash.h>
160 #include <openssl/buffer.h>
161 #endif
162 #include <openssl/pem.h>
163 #include <openssl/hmac.h>
164 
165 #include <openssl/kssl.h>
166 #include <openssl/safestack.h>
167 #include <openssl/symhacks.h>
168 
169 #ifdef  __cplusplus
170 extern "C" {
171 #endif
172 
173 /* SSLeay version number for ASN.1 encoding of the session information */
174 /* Version 0 - initial version
175  * Version 1 - added the optional peer certificate
176  */
177 #define SSL_SESSION_ASN1_VERSION 0x0001
178 
179 /* text strings for the ciphers */
180 #define SSL_TXT_NULL_WITH_MD5		SSL2_TXT_NULL_WITH_MD5
181 #define SSL_TXT_RC4_128_WITH_MD5	SSL2_TXT_RC4_128_WITH_MD5
182 #define SSL_TXT_RC4_128_EXPORT40_WITH_MD5 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5
183 #define SSL_TXT_RC2_128_CBC_WITH_MD5	SSL2_TXT_RC2_128_CBC_WITH_MD5
184 #define SSL_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5
185 #define SSL_TXT_IDEA_128_CBC_WITH_MD5	SSL2_TXT_IDEA_128_CBC_WITH_MD5
186 #define SSL_TXT_DES_64_CBC_WITH_MD5	SSL2_TXT_DES_64_CBC_WITH_MD5
187 #define SSL_TXT_DES_64_CBC_WITH_SHA	SSL2_TXT_DES_64_CBC_WITH_SHA
188 #define SSL_TXT_DES_192_EDE3_CBC_WITH_MD5 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5
189 #define SSL_TXT_DES_192_EDE3_CBC_WITH_SHA SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA
190 
191 /*    VRS Additional Kerberos5 entries
192  */
193 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
194 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
195 #define SSL_TXT_KRB5_RC4_128_SHA      SSL3_TXT_KRB5_RC4_128_SHA
196 #define SSL_TXT_KRB5_IDEA_128_CBC_SHA SSL3_TXT_KRB5_IDEA_128_CBC_SHA
197 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
198 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
199 #define SSL_TXT_KRB5_RC4_128_MD5      SSL3_TXT_KRB5_RC4_128_MD5
200 #define SSL_TXT_KRB5_IDEA_128_CBC_MD5 SSL3_TXT_KRB5_IDEA_128_CBC_MD5
201 
202 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
203 #define SSL_TXT_KRB5_RC2_40_CBC_SHA   SSL3_TXT_KRB5_RC2_40_CBC_SHA
204 #define SSL_TXT_KRB5_RC4_40_SHA	      SSL3_TXT_KRB5_RC4_40_SHA
205 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
206 #define SSL_TXT_KRB5_RC2_40_CBC_MD5   SSL3_TXT_KRB5_RC2_40_CBC_MD5
207 #define SSL_TXT_KRB5_RC4_40_MD5	      SSL3_TXT_KRB5_RC4_40_MD5
208 
209 #define SSL_TXT_KRB5_DES_40_CBC_SHA   SSL3_TXT_KRB5_DES_40_CBC_SHA
210 #define SSL_TXT_KRB5_DES_40_CBC_MD5   SSL3_TXT_KRB5_DES_40_CBC_MD5
211 #define SSL_TXT_KRB5_DES_64_CBC_SHA   SSL3_TXT_KRB5_DES_64_CBC_SHA
212 #define SSL_TXT_KRB5_DES_64_CBC_MD5   SSL3_TXT_KRB5_DES_64_CBC_MD5
213 #define SSL_TXT_KRB5_DES_192_CBC3_SHA SSL3_TXT_KRB5_DES_192_CBC3_SHA
214 #define SSL_TXT_KRB5_DES_192_CBC3_MD5 SSL3_TXT_KRB5_DES_192_CBC3_MD5
215 #define SSL_MAX_KRB5_PRINCIPAL_LENGTH  256
216 
217 #define SSL_MAX_SSL_SESSION_ID_LENGTH		32
218 #define SSL_MAX_SID_CTX_LENGTH			32
219 
220 #define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES	(512/8)
221 #define SSL_MAX_KEY_ARG_LENGTH			8
222 #define SSL_MAX_MASTER_KEY_LENGTH		48
223 
224 
225 /* These are used to specify which ciphers to use and not to use */
226 
227 #define SSL_TXT_EXP40		"EXPORT40"
228 #define SSL_TXT_EXP56		"EXPORT56"
229 #define SSL_TXT_LOW		"LOW"
230 #define SSL_TXT_MEDIUM		"MEDIUM"
231 #define SSL_TXT_HIGH		"HIGH"
232 #define SSL_TXT_FIPS		"FIPS"
233 
234 #define SSL_TXT_kFZA		"kFZA" /* unused! */
235 #define	SSL_TXT_aFZA		"aFZA" /* unused! */
236 #define SSL_TXT_eFZA		"eFZA" /* unused! */
237 #define SSL_TXT_FZA		"FZA"  /* unused! */
238 
239 #define	SSL_TXT_aNULL		"aNULL"
240 #define	SSL_TXT_eNULL		"eNULL"
241 #define	SSL_TXT_NULL		"NULL"
242 
243 #define SSL_TXT_kRSA		"kRSA"
244 #define SSL_TXT_kDHr		"kDHr" /* no such ciphersuites supported! */
245 #define SSL_TXT_kDHd		"kDHd" /* no such ciphersuites supported! */
246 #define SSL_TXT_kDH 		"kDH"  /* no such ciphersuites supported! */
247 #define SSL_TXT_kEDH		"kEDH"
248 #define SSL_TXT_kKRB5     	"kKRB5"
249 #define SSL_TXT_kECDHr		"kECDHr"
250 #define SSL_TXT_kECDHe		"kECDHe"
251 #define SSL_TXT_kECDH		"kECDH"
252 #define SSL_TXT_kEECDH		"kEECDH"
253 #define SSL_TXT_kPSK            "kPSK"
254 #define SSL_TXT_kGOST		"kGOST"
255 #define SSL_TXT_kSRP		"kSRP"
256 
257 #define	SSL_TXT_aRSA		"aRSA"
258 #define	SSL_TXT_aDSS		"aDSS"
259 #define	SSL_TXT_aDH		"aDH" /* no such ciphersuites supported! */
260 #define	SSL_TXT_aECDH		"aECDH"
261 #define SSL_TXT_aKRB5     	"aKRB5"
262 #define SSL_TXT_aECDSA		"aECDSA"
263 #define SSL_TXT_aPSK            "aPSK"
264 #define SSL_TXT_aGOST94	"aGOST94"
265 #define SSL_TXT_aGOST01 "aGOST01"
266 #define SSL_TXT_aGOST  "aGOST"
267 
268 #define	SSL_TXT_DSS		"DSS"
269 #define SSL_TXT_DH		"DH"
270 #define SSL_TXT_EDH		"EDH" /* same as "kEDH:-ADH" */
271 #define SSL_TXT_ADH		"ADH"
272 #define SSL_TXT_RSA		"RSA"
273 #define SSL_TXT_ECDH		"ECDH"
274 #define SSL_TXT_EECDH		"EECDH" /* same as "kEECDH:-AECDH" */
275 #define SSL_TXT_AECDH		"AECDH"
276 #define SSL_TXT_ECDSA		"ECDSA"
277 #define SSL_TXT_KRB5      	"KRB5"
278 #define SSL_TXT_PSK             "PSK"
279 #define SSL_TXT_SRP		"SRP"
280 
281 #define SSL_TXT_DES		"DES"
282 #define SSL_TXT_3DES		"3DES"
283 #define SSL_TXT_RC4		"RC4"
284 #define SSL_TXT_RC2		"RC2"
285 #define SSL_TXT_IDEA		"IDEA"
286 #define SSL_TXT_SEED		"SEED"
287 #define SSL_TXT_AES128		"AES128"
288 #define SSL_TXT_AES256		"AES256"
289 #define SSL_TXT_AES		"AES"
290 #define SSL_TXT_AES_GCM		"AESGCM"
291 #define SSL_TXT_CAMELLIA128	"CAMELLIA128"
292 #define SSL_TXT_CAMELLIA256	"CAMELLIA256"
293 #define SSL_TXT_CAMELLIA	"CAMELLIA"
294 
295 #define SSL_TXT_MD5		"MD5"
296 #define SSL_TXT_SHA1		"SHA1"
297 #define SSL_TXT_SHA		"SHA" /* same as "SHA1" */
298 #define SSL_TXT_GOST94		"GOST94"
299 #define SSL_TXT_GOST89MAC		"GOST89MAC"
300 #define SSL_TXT_SHA256		"SHA256"
301 #define SSL_TXT_SHA384		"SHA384"
302 
303 #define SSL_TXT_SSLV2		"SSLv2"
304 #define SSL_TXT_SSLV3		"SSLv3"
305 #define SSL_TXT_TLSV1		"TLSv1"
306 #define SSL_TXT_TLSV1_1		"TLSv1.1"
307 #define SSL_TXT_TLSV1_2		"TLSv1.2"
308 
309 #define SSL_TXT_EXP		"EXP"
310 #define SSL_TXT_EXPORT		"EXPORT"
311 
312 #define SSL_TXT_ALL		"ALL"
313 
314 /*
315  * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
316  * ciphers normally not being used.
317  * Example: "RC4" will activate all ciphers using RC4 including ciphers
318  * without authentication, which would normally disabled by DEFAULT (due
319  * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
320  * will make sure that it is also disabled in the specific selection.
321  * COMPLEMENTOF* identifiers are portable between version, as adjustments
322  * to the default cipher setup will also be included here.
323  *
324  * COMPLEMENTOFDEFAULT does not experience the same special treatment that
325  * DEFAULT gets, as only selection is being done and no sorting as needed
326  * for DEFAULT.
327  */
328 #define SSL_TXT_CMPALL		"COMPLEMENTOFALL"
329 #define SSL_TXT_CMPDEF		"COMPLEMENTOFDEFAULT"
330 
331 /* The following cipher list is used by default.
332  * It also is substituted when an application-defined cipher list string
333  * starts with 'DEFAULT'. */
334 #define SSL_DEFAULT_CIPHER_LIST	"ALL:!aNULL:!eNULL:!SSLv2"
335 /* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
336  * starts with a reasonable order, and all we have to do for DEFAULT is
337  * throwing out anonymous and unencrypted ciphersuites!
338  * (The latter are not actually enabled by ALL, but "ALL:RSA" would enable
339  * some of them.)
340  */
341 
342 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
343 #define SSL_SENT_SHUTDOWN	1
344 #define SSL_RECEIVED_SHUTDOWN	2
345 
346 #ifdef __cplusplus
347 }
348 #endif
349 
350 #ifdef  __cplusplus
351 extern "C" {
352 #endif
353 
354 #if (defined(OPENSSL_NO_RSA) || defined(OPENSSL_NO_MD5)) && !defined(OPENSSL_NO_SSL2)
355 #define OPENSSL_NO_SSL2
356 #endif
357 
358 #define SSL_FILETYPE_ASN1	X509_FILETYPE_ASN1
359 #define SSL_FILETYPE_PEM	X509_FILETYPE_PEM
360 
361 /* This is needed to stop compilers complaining about the
362  * 'struct ssl_st *' function parameters used to prototype callbacks
363  * in SSL_CTX. */
364 typedef struct ssl_st *ssl_crock_st;
365 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
366 typedef struct ssl_method_st SSL_METHOD;
367 typedef struct ssl_cipher_st SSL_CIPHER;
368 typedef struct ssl_session_st SSL_SESSION;
369 
370 DECLARE_STACK_OF(SSL_CIPHER)
371 
372 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
373 typedef struct srtp_protection_profile_st
374        {
375        const char *name;
376        unsigned long id;
377        } SRTP_PROTECTION_PROFILE;
378 
379 DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
380 
381 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data, int len, void *arg);
382 typedef int (*tls_session_secret_cb_fn)(SSL *s, void *secret, int *secret_len, STACK_OF(SSL_CIPHER) *peer_ciphers, SSL_CIPHER **cipher, void *arg);
383 
384 
385 #ifndef OPENSSL_NO_SSL_INTERN
386 
387 /* used to hold info on the particular ciphers used */
388 struct ssl_cipher_st
389 	{
390 	int valid;
391 	const char *name;		/* text name */
392 	unsigned long id;		/* id, 4 bytes, first is version */
393 
394 	/* changed in 0.9.9: these four used to be portions of a single value 'algorithms' */
395 	unsigned long algorithm_mkey;	/* key exchange algorithm */
396 	unsigned long algorithm_auth;	/* server authentication */
397 	unsigned long algorithm_enc;	/* symmetric encryption */
398 	unsigned long algorithm_mac;	/* symmetric authentication */
399 	unsigned long algorithm_ssl;	/* (major) protocol version */
400 
401 	unsigned long algo_strength;	/* strength and export flags */
402 	unsigned long algorithm2;	/* Extra flags */
403 	int strength_bits;		/* Number of bits really used */
404 	int alg_bits;			/* Number of bits for algorithm */
405 	};
406 
407 
408 /* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
409 struct ssl_method_st
410 	{
411 	int version;
412 	int (*ssl_new)(SSL *s);
413 	void (*ssl_clear)(SSL *s);
414 	void (*ssl_free)(SSL *s);
415 	int (*ssl_accept)(SSL *s);
416 	int (*ssl_connect)(SSL *s);
417 	int (*ssl_read)(SSL *s,void *buf,int len);
418 	int (*ssl_peek)(SSL *s,void *buf,int len);
419 	int (*ssl_write)(SSL *s,const void *buf,int len);
420 	int (*ssl_shutdown)(SSL *s);
421 	int (*ssl_renegotiate)(SSL *s);
422 	int (*ssl_renegotiate_check)(SSL *s);
423 	long (*ssl_get_message)(SSL *s, int st1, int stn, int mt, long
424 		max, int *ok);
425 	int (*ssl_read_bytes)(SSL *s, int type, unsigned char *buf, int len,
426 		int peek);
427 	int (*ssl_write_bytes)(SSL *s, int type, const void *buf_, int len);
428 	int (*ssl_dispatch_alert)(SSL *s);
429 	long (*ssl_ctrl)(SSL *s,int cmd,long larg,void *parg);
430 	long (*ssl_ctx_ctrl)(SSL_CTX *ctx,int cmd,long larg,void *parg);
431 	const SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
432 	int (*put_cipher_by_char)(const SSL_CIPHER *cipher,unsigned char *ptr);
433 	int (*ssl_pending)(const SSL *s);
434 	int (*num_ciphers)(void);
435 	const SSL_CIPHER *(*get_cipher)(unsigned ncipher);
436 	const struct ssl_method_st *(*get_ssl_method)(int version);
437 	long (*get_timeout)(void);
438 	struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
439 	int (*ssl_version)(void);
440 	long (*ssl_callback_ctrl)(SSL *s, int cb_id, void (*fp)(void));
441 	long (*ssl_ctx_callback_ctrl)(SSL_CTX *s, int cb_id, void (*fp)(void));
442 	};
443 
444 /* Lets make this into an ASN.1 type structure as follows
445  * SSL_SESSION_ID ::= SEQUENCE {
446  *	version 		INTEGER,	-- structure version number
447  *	SSLversion 		INTEGER,	-- SSL version number
448  *	Cipher 			OCTET STRING,	-- the 3 byte cipher ID
449  *	Session_ID 		OCTET STRING,	-- the Session ID
450  *	Master_key 		OCTET STRING,	-- the master key
451  *	KRB5_principal		OCTET STRING	-- optional Kerberos principal
452  *	Key_Arg [ 0 ] IMPLICIT	OCTET STRING,	-- the optional Key argument
453  *	Time [ 1 ] EXPLICIT	INTEGER,	-- optional Start Time
454  *	Timeout [ 2 ] EXPLICIT	INTEGER,	-- optional Timeout ins seconds
455  *	Peer [ 3 ] EXPLICIT	X509,		-- optional Peer Certificate
456  *	Session_ID_context [ 4 ] EXPLICIT OCTET STRING,   -- the Session ID context
457  *	Verify_result [ 5 ] EXPLICIT INTEGER,   -- X509_V_... code for `Peer'
458  *	HostName [ 6 ] EXPLICIT OCTET STRING,   -- optional HostName from servername TLS extension
459  *	PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
460  *	PSK_identity [ 8 ] EXPLICIT OCTET STRING,  -- optional PSK identity
461  *	Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
462  *	Ticket [10]             EXPLICIT OCTET STRING, -- session ticket (clients only)
463  *	Compression_meth [11]   EXPLICIT OCTET STRING, -- optional compression method
464  *	SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
465  *	}
466  * Look in ssl/ssl_asn1.c for more details
467  * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
468  */
469 struct ssl_session_st
470 	{
471 	int ssl_version;	/* what ssl version session info is
472 				 * being kept in here? */
473 
474 	/* only really used in SSLv2 */
475 	unsigned int key_arg_length;
476 	unsigned char key_arg[SSL_MAX_KEY_ARG_LENGTH];
477 	int master_key_length;
478 	unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
479 	/* session_id - valid? */
480 	unsigned int session_id_length;
481 	unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
482 	/* this is used to determine whether the session is being reused in
483 	 * the appropriate context. It is up to the application to set this,
484 	 * via SSL_new */
485 	unsigned int sid_ctx_length;
486 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
487 
488 #ifndef OPENSSL_NO_KRB5
489         unsigned int krb5_client_princ_len;
490         unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH];
491 #endif /* OPENSSL_NO_KRB5 */
492 #ifndef OPENSSL_NO_PSK
493 	char *psk_identity_hint;
494 	char *psk_identity;
495 #endif
496 	/* Used to indicate that session resumption is not allowed.
497 	 * Applications can also set this bit for a new session via
498 	 * not_resumable_session_cb to disable session caching and tickets. */
499 	int not_resumable;
500 
501 	/* The cert is the certificate used to establish this connection */
502 	struct sess_cert_st /* SESS_CERT */ *sess_cert;
503 
504 	/* This is the cert for the other end.
505 	 * On clients, it will be the same as sess_cert->peer_key->x509
506 	 * (the latter is not enough as sess_cert is not retained
507 	 * in the external representation of sessions, see ssl_asn1.c). */
508 	X509 *peer;
509 	/* when app_verify_callback accepts a session where the peer's certificate
510 	 * is not ok, we must remember the error for session reuse: */
511 	long verify_result; /* only for servers */
512 
513 	int references;
514 	long timeout;
515 	long time;
516 
517 	unsigned int compress_meth;	/* Need to lookup the method */
518 
519 	const SSL_CIPHER *cipher;
520 	unsigned long cipher_id;	/* when ASN.1 loaded, this
521 					 * needs to be used to load
522 					 * the 'cipher' structure */
523 
524 	STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
525 
526 	CRYPTO_EX_DATA ex_data; /* application specific data */
527 
528 	/* These are used to make removal of session-ids more
529 	 * efficient and to implement a maximum cache size. */
530 	struct ssl_session_st *prev,*next;
531 #ifndef OPENSSL_NO_TLSEXT
532 	char *tlsext_hostname;
533 #ifndef OPENSSL_NO_EC
534 	size_t tlsext_ecpointformatlist_length;
535 	unsigned char *tlsext_ecpointformatlist; /* peer's list */
536 	size_t tlsext_ellipticcurvelist_length;
537 	unsigned char *tlsext_ellipticcurvelist; /* peer's list */
538 #endif /* OPENSSL_NO_EC */
539 	/* RFC4507 info */
540 	unsigned char *tlsext_tick;	/* Session ticket */
541 	size_t tlsext_ticklen;		/* Session ticket length */
542 	long tlsext_tick_lifetime_hint;	/* Session lifetime hint in seconds */
543 #endif
544 #ifndef OPENSSL_NO_SRP
545 	char *srp_username;
546 #endif
547 	};
548 
549 #endif
550 
551 #define SSL_OP_MICROSOFT_SESS_ID_BUG			0x00000001L
552 #define SSL_OP_NETSCAPE_CHALLENGE_BUG			0x00000002L
553 /* Allow initial connection to servers that don't support RI */
554 #define SSL_OP_LEGACY_SERVER_CONNECT			0x00000004L
555 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG		0x00000008L
556 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG		0x00000010L
557 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER		0x00000020L
558 #define SSL_OP_MSIE_SSLV2_RSA_PADDING			0x00000040L /* no effect since 0.9.7h and 0.9.8b */
559 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG			0x00000080L
560 #define SSL_OP_TLS_D5_BUG				0x00000100L
561 #define SSL_OP_TLS_BLOCK_PADDING_BUG			0x00000200L
562 
563 /* Disable SSL 3.0/TLS 1.0 CBC vulnerability workaround that was added
564  * in OpenSSL 0.9.6d.  Usually (depending on the application protocol)
565  * the workaround is not needed.  Unfortunately some broken SSL/TLS
566  * implementations cannot handle it at all, which is why we include
567  * it in SSL_OP_ALL. */
568 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS              0x00000800L /* added in 0.9.6e */
569 
570 /* SSL_OP_ALL: various bug workarounds that should be rather harmless.
571  *             This used to be 0x000FFFFFL before 0.9.7. */
572 #define SSL_OP_ALL					0x80000BFFL
573 
574 /* DTLS options */
575 #define SSL_OP_NO_QUERY_MTU                 0x00001000L
576 /* Turn on Cookie Exchange (on relevant for servers) */
577 #define SSL_OP_COOKIE_EXCHANGE              0x00002000L
578 /* Don't use RFC4507 ticket extension */
579 #define SSL_OP_NO_TICKET	            0x00004000L
580 /* Use Cisco's "speshul" version of DTLS_BAD_VER (as client)  */
581 #define SSL_OP_CISCO_ANYCONNECT		    0x00008000L
582 
583 /* As server, disallow session resumption on renegotiation */
584 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION	0x00010000L
585 /* Don't use compression even if supported */
586 #define SSL_OP_NO_COMPRESSION				0x00020000L
587 /* Permit unsafe legacy renegotiation */
588 #define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION	0x00040000L
589 /* If set, always create a new key when using tmp_ecdh parameters */
590 #define SSL_OP_SINGLE_ECDH_USE				0x00080000L
591 /* If set, always create a new key when using tmp_dh parameters */
592 #define SSL_OP_SINGLE_DH_USE				0x00100000L
593 /* Set to always use the tmp_rsa key when doing RSA operations,
594  * even when this violates protocol specs */
595 #define SSL_OP_EPHEMERAL_RSA				0x00200000L
596 /* Set on servers to choose the cipher according to the server's
597  * preferences */
598 #define SSL_OP_CIPHER_SERVER_PREFERENCE			0x00400000L
599 /* If set, a server will allow a client to issue a SSLv3.0 version number
600  * as latest version supported in the premaster secret, even when TLSv1.0
601  * (version 3.1) was announced in the client hello. Normally this is
602  * forbidden to prevent version rollback attacks. */
603 #define SSL_OP_TLS_ROLLBACK_BUG				0x00800000L
604 
605 #define SSL_OP_NO_SSLv2					0x01000000L
606 #define SSL_OP_NO_SSLv3					0x02000000L
607 #define SSL_OP_NO_TLSv1					0x04000000L
608 #define SSL_OP_NO_TLSv1_2				0x08000000L
609 #define SSL_OP_NO_TLSv1_1				0x10000000L
610 
611 /* These next two were never actually used for anything since SSLeay
612  * zap so we have some more flags.
613  */
614 /* The next flag deliberately changes the ciphertest, this is a check
615  * for the PKCS#1 attack */
616 #define SSL_OP_PKCS1_CHECK_1				0x0
617 #define SSL_OP_PKCS1_CHECK_2				0x0
618 
619 #define SSL_OP_NETSCAPE_CA_DN_BUG			0x20000000L
620 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG		0x40000000L
621 /* Make server add server-hello extension from early version of
622  * cryptopro draft, when GOST ciphersuite is negotiated.
623  * Required for interoperability with CryptoPro CSP 3.x
624  */
625 #define SSL_OP_CRYPTOPRO_TLSEXT_BUG			0x80000000L
626 
627 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
628  * when just a single record has been written): */
629 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
630 /* Make it possible to retry SSL_write() with changed buffer location
631  * (buffer contents must stay the same!); this is not the default to avoid
632  * the misconception that non-blocking SSL_write() behaves like
633  * non-blocking write(): */
634 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
635 /* Never bother the application with retries if the transport
636  * is blocking: */
637 #define SSL_MODE_AUTO_RETRY 0x00000004L
638 /* Don't attempt to automatically build certificate chain */
639 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
640 /* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
641  * TLS only.)  "Released" buffers are put onto a free-list in the context
642  * or just freed (depending on the context's setting for freelist_max_len). */
643 #define SSL_MODE_RELEASE_BUFFERS 0x00000010L
644 /* When set, clients may send application data before receipt of CCS
645  * and Finished.  This mode enables full-handshakes to 'complete' in
646  * one RTT. */
647 #define SSL_MODE_HANDSHAKE_CUTTHROUGH 0x00000020L
648 
649 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
650  * they cannot be used to clear bits. */
651 
652 #define SSL_CTX_set_options(ctx,op) \
653 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
654 #define SSL_CTX_clear_options(ctx,op) \
655 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
656 #define SSL_CTX_get_options(ctx) \
657 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
658 #define SSL_set_options(ssl,op) \
659 	SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
660 #define SSL_clear_options(ssl,op) \
661 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
662 #define SSL_get_options(ssl) \
663         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
664 
665 #define SSL_CTX_set_mode(ctx,op) \
666 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
667 #define SSL_CTX_clear_mode(ctx,op) \
668 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
669 #define SSL_CTX_get_mode(ctx) \
670 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
671 #define SSL_clear_mode(ssl,op) \
672 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
673 #define SSL_set_mode(ssl,op) \
674 	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
675 #define SSL_get_mode(ssl) \
676         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
677 #define SSL_set_mtu(ssl, mtu) \
678         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
679 
680 #define SSL_get_secure_renegotiation_support(ssl) \
681 	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
682 
683 #ifndef OPENSSL_NO_HEARTBEATS
684 #define SSL_heartbeat(ssl) \
685         SSL_ctrl((ssl),SSL_CTRL_TLS_EXT_SEND_HEARTBEAT,0,NULL)
686 #endif
687 
688 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));
689 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));
690 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
691 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
692 
693 #ifndef OPENSSL_NO_SRP
694 
695 #ifndef OPENSSL_NO_SSL_INTERN
696 
697 typedef struct srp_ctx_st
698 	{
699 	/* param for all the callbacks */
700 	void *SRP_cb_arg;
701 	/* set client Hello login callback */
702 	int (*TLS_ext_srp_username_callback)(SSL *, int *, void *);
703 	/* set SRP N/g param callback for verification */
704 	int (*SRP_verify_param_callback)(SSL *, void *);
705 	/* set SRP client passwd callback */
706 	char *(*SRP_give_srp_client_pwd_callback)(SSL *, void *);
707 
708 	char *login;
709 	BIGNUM *N,*g,*s,*B,*A;
710 	BIGNUM *a,*b,*v;
711 	char *info;
712 	int strength;
713 
714 	unsigned long srp_Mask;
715 	} SRP_CTX;
716 
717 #endif
718 
719 /* see tls_srp.c */
720 int SSL_SRP_CTX_init(SSL *s);
721 int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
722 int SSL_SRP_CTX_free(SSL *ctx);
723 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
724 int SSL_srp_server_param_with_username(SSL *s, int *ad);
725 int SRP_generate_server_master_secret(SSL *s,unsigned char *master_key);
726 int SRP_Calc_A_param(SSL *s);
727 int SRP_generate_client_master_secret(SSL *s,unsigned char *master_key);
728 
729 #endif
730 
731 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
732 #define SSL_MAX_CERT_LIST_DEFAULT 1024*30 /* 30k max cert list :-) */
733 #else
734 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
735 #endif
736 
737 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT	(1024*20)
738 
739 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
740  * them. It is used to override the generation of SSL/TLS session IDs in a
741  * server. Return value should be zero on an error, non-zero to proceed. Also,
742  * callbacks should themselves check if the id they generate is unique otherwise
743  * the SSL handshake will fail with an error - callbacks can do this using the
744  * 'ssl' value they're passed by;
745  *      SSL_has_matching_session_id(ssl, id, *id_len)
746  * The length value passed in is set at the maximum size the session ID can be.
747  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
748  * can alter this length to be less if desired, but under SSLv2 session IDs are
749  * supposed to be fixed at 16 bytes so the id will be padded after the callback
750  * returns in this case. It is also an error for the callback to set the size to
751  * zero. */
752 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
753 				unsigned int *id_len);
754 
755 typedef struct ssl_comp_st SSL_COMP;
756 
757 #ifndef OPENSSL_NO_SSL_INTERN
758 
759 struct ssl_comp_st
760 	{
761 	int id;
762 	const char *name;
763 #ifndef OPENSSL_NO_COMP
764 	COMP_METHOD *method;
765 #else
766 	char *method;
767 #endif
768 	};
769 
770 DECLARE_STACK_OF(SSL_COMP)
771 DECLARE_LHASH_OF(SSL_SESSION);
772 
773 struct ssl_ctx_st
774 	{
775 	const SSL_METHOD *method;
776 
777 	STACK_OF(SSL_CIPHER) *cipher_list;
778 	/* same as above but sorted for lookup */
779 	STACK_OF(SSL_CIPHER) *cipher_list_by_id;
780 
781 	struct x509_store_st /* X509_STORE */ *cert_store;
782 	LHASH_OF(SSL_SESSION) *sessions;
783 	/* Most session-ids that will be cached, default is
784 	 * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. */
785 	unsigned long session_cache_size;
786 	struct ssl_session_st *session_cache_head;
787 	struct ssl_session_st *session_cache_tail;
788 
789 	/* This can have one of 2 values, ored together,
790 	 * SSL_SESS_CACHE_CLIENT,
791 	 * SSL_SESS_CACHE_SERVER,
792 	 * Default is SSL_SESSION_CACHE_SERVER, which means only
793 	 * SSL_accept which cache SSL_SESSIONS. */
794 	int session_cache_mode;
795 
796 	/* If timeout is not 0, it is the default timeout value set
797 	 * when SSL_new() is called.  This has been put in to make
798 	 * life easier to set things up */
799 	long session_timeout;
800 
801 	/* If this callback is not null, it will be called each
802 	 * time a session id is added to the cache.  If this function
803 	 * returns 1, it means that the callback will do a
804 	 * SSL_SESSION_free() when it has finished using it.  Otherwise,
805 	 * on 0, it means the callback has finished with it.
806 	 * If remove_session_cb is not null, it will be called when
807 	 * a session-id is removed from the cache.  After the call,
808 	 * OpenSSL will SSL_SESSION_free() it. */
809 	int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess);
810 	void (*remove_session_cb)(struct ssl_ctx_st *ctx,SSL_SESSION *sess);
811 	SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl,
812 		unsigned char *data,int len,int *copy);
813 
814 	struct
815 		{
816 		int sess_connect;	/* SSL new conn - started */
817 		int sess_connect_renegotiate;/* SSL reneg - requested */
818 		int sess_connect_good;	/* SSL new conne/reneg - finished */
819 		int sess_accept;	/* SSL new accept - started */
820 		int sess_accept_renegotiate;/* SSL reneg - requested */
821 		int sess_accept_good;	/* SSL accept/reneg - finished */
822 		int sess_miss;		/* session lookup misses  */
823 		int sess_timeout;	/* reuse attempt on timeouted session */
824 		int sess_cache_full;	/* session removed due to full cache */
825 		int sess_hit;		/* session reuse actually done */
826 		int sess_cb_hit;	/* session-id that was not
827 					 * in the cache was
828 					 * passed back via the callback.  This
829 					 * indicates that the application is
830 					 * supplying session-id's from other
831 					 * processes - spooky :-) */
832 		} stats;
833 
834 	int references;
835 
836 	/* if defined, these override the X509_verify_cert() calls */
837 	int (*app_verify_callback)(X509_STORE_CTX *, void *);
838 	void *app_verify_arg;
839 	/* before OpenSSL 0.9.7, 'app_verify_arg' was ignored
840 	 * ('app_verify_callback' was called with just one argument) */
841 
842 	/* Default password callback. */
843 	pem_password_cb *default_passwd_callback;
844 
845 	/* Default password callback user data. */
846 	void *default_passwd_callback_userdata;
847 
848 	/* get client cert callback */
849 	int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
850 
851     /* cookie generate callback */
852     int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie,
853         unsigned int *cookie_len);
854 
855     /* verify cookie callback */
856     int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie,
857         unsigned int cookie_len);
858 
859 	CRYPTO_EX_DATA ex_data;
860 
861 	const EVP_MD *rsa_md5;/* For SSLv2 - name is 'ssl2-md5' */
862 	const EVP_MD *md5;	/* For SSLv3/TLSv1 'ssl3-md5' */
863 	const EVP_MD *sha1;   /* For SSLv3/TLSv1 'ssl3->sha1' */
864 
865 	STACK_OF(X509) *extra_certs;
866 	STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
867 
868 
869 	/* Default values used when no per-SSL value is defined follow */
870 
871 	void (*info_callback)(const SSL *ssl,int type,int val); /* used if SSL's info_callback is NULL */
872 
873 	/* what we put in client cert requests */
874 	STACK_OF(X509_NAME) *client_CA;
875 
876 
877 	/* Default values to use in SSL structures follow (these are copied by SSL_new) */
878 
879 	unsigned long options;
880 	unsigned long mode;
881 	long max_cert_list;
882 
883 	struct cert_st /* CERT */ *cert;
884 	int read_ahead;
885 
886 	/* callback that allows applications to peek at protocol messages */
887 	void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
888 	void *msg_callback_arg;
889 
890 	int verify_mode;
891 	unsigned int sid_ctx_length;
892 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
893 	int (*default_verify_callback)(int ok,X509_STORE_CTX *ctx); /* called 'verify_callback' in the SSL */
894 
895 	/* Default generate session ID callback. */
896 	GEN_SESSION_CB generate_session_id;
897 
898 	X509_VERIFY_PARAM *param;
899 
900 #if 0
901 	int purpose;		/* Purpose setting */
902 	int trust;		/* Trust setting */
903 #endif
904 
905 	int quiet_shutdown;
906 
907 	/* Maximum amount of data to send in one fragment.
908 	 * actual record size can be more than this due to
909 	 * padding and MAC overheads.
910 	 */
911 	unsigned int max_send_fragment;
912 
913 #ifndef OPENSSL_ENGINE
914 	/* Engine to pass requests for client certs to
915 	 */
916 	ENGINE *client_cert_engine;
917 #endif
918 
919 #ifndef OPENSSL_NO_TLSEXT
920 	/* TLS extensions servername callback */
921 	int (*tlsext_servername_callback)(SSL*, int *, void *);
922 	void *tlsext_servername_arg;
923 	/* RFC 4507 session ticket keys */
924 	unsigned char tlsext_tick_key_name[16];
925 	unsigned char tlsext_tick_hmac_key[16];
926 	unsigned char tlsext_tick_aes_key[16];
927 	/* Callback to support customisation of ticket key setting */
928 	int (*tlsext_ticket_key_cb)(SSL *ssl,
929 					unsigned char *name, unsigned char *iv,
930 					EVP_CIPHER_CTX *ectx,
931  					HMAC_CTX *hctx, int enc);
932 
933 	/* certificate status request info */
934 	/* Callback for status request */
935 	int (*tlsext_status_cb)(SSL *ssl, void *arg);
936 	void *tlsext_status_arg;
937 
938 	/* draft-rescorla-tls-opaque-prf-input-00.txt information */
939 	int (*tlsext_opaque_prf_input_callback)(SSL *, void *peerinput, size_t len, void *arg);
940 	void *tlsext_opaque_prf_input_callback_arg;
941 #endif
942 
943 #ifndef OPENSSL_NO_PSK
944 	char *psk_identity_hint;
945 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
946 		unsigned int max_identity_len, unsigned char *psk,
947 		unsigned int max_psk_len);
948 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
949 		unsigned char *psk, unsigned int max_psk_len);
950 #endif
951 
952 #ifndef OPENSSL_NO_BUF_FREELISTS
953 #define SSL_MAX_BUF_FREELIST_LEN_DEFAULT 32
954 	unsigned int freelist_max_len;
955 	struct ssl3_buf_freelist_st *wbuf_freelist;
956 	struct ssl3_buf_freelist_st *rbuf_freelist;
957 #endif
958 #ifndef OPENSSL_NO_SRP
959 	SRP_CTX srp_ctx; /* ctx for SRP authentication */
960 #endif
961 
962 #ifndef OPENSSL_NO_TLSEXT
963 
964 # ifndef OPENSSL_NO_NEXTPROTONEG
965 	/* Next protocol negotiation information */
966 	/* (for experimental NPN extension). */
967 
968 	/* For a server, this contains a callback function by which the set of
969 	 * advertised protocols can be provided. */
970 	int (*next_protos_advertised_cb)(SSL *s, const unsigned char **buf,
971 			                 unsigned int *len, void *arg);
972 	void *next_protos_advertised_cb_arg;
973 	/* For a client, this contains a callback function that selects the
974 	 * next protocol from the list provided by the server. */
975 	int (*next_proto_select_cb)(SSL *s, unsigned char **out,
976 				    unsigned char *outlen,
977 				    const unsigned char *in,
978 				    unsigned int inlen,
979 				    void *arg);
980 	void *next_proto_select_cb_arg;
981 # endif
982         /* SRTP profiles we are willing to do from RFC 5764 */
983         STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
984 
985 	/* If true, a client will advertise the Channel ID extension and a
986 	 * server will echo it. */
987 	char tlsext_channel_id_enabled;
988 	/* The client's Channel ID private key. */
989 	EVP_PKEY *tlsext_channel_id_private;
990 #endif
991 	};
992 
993 #endif
994 
995 #define SSL_SESS_CACHE_OFF			0x0000
996 #define SSL_SESS_CACHE_CLIENT			0x0001
997 #define SSL_SESS_CACHE_SERVER			0x0002
998 #define SSL_SESS_CACHE_BOTH	(SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
999 #define SSL_SESS_CACHE_NO_AUTO_CLEAR		0x0080
1000 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
1001 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP	0x0100
1002 #define SSL_SESS_CACHE_NO_INTERNAL_STORE	0x0200
1003 #define SSL_SESS_CACHE_NO_INTERNAL \
1004 	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
1005 
1006 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
1007 #define SSL_CTX_sess_number(ctx) \
1008 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
1009 #define SSL_CTX_sess_connect(ctx) \
1010 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
1011 #define SSL_CTX_sess_connect_good(ctx) \
1012 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
1013 #define SSL_CTX_sess_connect_renegotiate(ctx) \
1014 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
1015 #define SSL_CTX_sess_accept(ctx) \
1016 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
1017 #define SSL_CTX_sess_accept_renegotiate(ctx) \
1018 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
1019 #define SSL_CTX_sess_accept_good(ctx) \
1020 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
1021 #define SSL_CTX_sess_hits(ctx) \
1022 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
1023 #define SSL_CTX_sess_cb_hits(ctx) \
1024 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
1025 #define SSL_CTX_sess_misses(ctx) \
1026 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
1027 #define SSL_CTX_sess_timeouts(ctx) \
1028 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
1029 #define SSL_CTX_sess_cache_full(ctx) \
1030 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
1031 /* SSL_CTX_enable_tls_channel_id configures a TLS server to accept TLS client
1032  * IDs from clients. Returns 1 on success. */
1033 #define SSL_CTX_enable_tls_channel_id(ctx) \
1034 	SSL_CTX_ctrl(ctx,SSL_CTRL_CHANNEL_ID,0,NULL)
1035 
1036 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess));
1037 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl, SSL_SESSION *sess);
1038 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx, void (*remove_session_cb)(struct ssl_ctx_st *ctx,SSL_SESSION *sess));
1039 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx, SSL_SESSION *sess);
1040 void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx, SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl, unsigned char *data,int len,int *copy));
1041 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl, unsigned char *Data, int len, int *copy);
1042 void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(const SSL *ssl,int type,int val));
1043 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl,int type,int val);
1044 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
1045 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
1046 #ifndef OPENSSL_NO_ENGINE
1047 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
1048 #endif
1049 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx, int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len));
1050 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx, int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int cookie_len));
1051 #ifndef OPENSSL_NO_NEXTPROTONEG
1052 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
1053 					   int (*cb) (SSL *ssl,
1054 						      const unsigned char **out,
1055 						      unsigned int *outlen,
1056 						      void *arg),
1057 					   void *arg);
1058 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
1059 				      int (*cb) (SSL *ssl,
1060 						 unsigned char **out,
1061 						 unsigned char *outlen,
1062 						 const unsigned char *in,
1063 						 unsigned int inlen,
1064 						 void *arg),
1065 				      void *arg);
1066 
1067 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
1068 			  const unsigned char *in, unsigned int inlen,
1069 			  const unsigned char *client, unsigned int client_len);
1070 void SSL_get0_next_proto_negotiated(const SSL *s,
1071 				    const unsigned char **data, unsigned *len);
1072 
1073 #define OPENSSL_NPN_UNSUPPORTED	0
1074 #define OPENSSL_NPN_NEGOTIATED	1
1075 #define OPENSSL_NPN_NO_OVERLAP	2
1076 #endif
1077 
1078 #ifndef OPENSSL_NO_PSK
1079 /* the maximum length of the buffer given to callbacks containing the
1080  * resulting identity/psk */
1081 #define PSK_MAX_IDENTITY_LEN 128
1082 #define PSK_MAX_PSK_LEN 256
1083 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
1084 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint,
1085 		char *identity, unsigned int max_identity_len, unsigned char *psk,
1086 		unsigned int max_psk_len));
1087 void SSL_set_psk_client_callback(SSL *ssl,
1088 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint,
1089 		char *identity, unsigned int max_identity_len, unsigned char *psk,
1090 		unsigned int max_psk_len));
1091 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
1092 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1093 		unsigned char *psk, unsigned int max_psk_len));
1094 void SSL_set_psk_server_callback(SSL *ssl,
1095 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1096 		unsigned char *psk, unsigned int max_psk_len));
1097 int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
1098 int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
1099 const char *SSL_get_psk_identity_hint(const SSL *s);
1100 const char *SSL_get_psk_identity(const SSL *s);
1101 #endif
1102 
1103 #define SSL_NOTHING	1
1104 #define SSL_WRITING	2
1105 #define SSL_READING	3
1106 #define SSL_X509_LOOKUP	4
1107 
1108 /* These will only be used when doing non-blocking IO */
1109 #define SSL_want_nothing(s)	(SSL_want(s) == SSL_NOTHING)
1110 #define SSL_want_read(s)	(SSL_want(s) == SSL_READING)
1111 #define SSL_want_write(s)	(SSL_want(s) == SSL_WRITING)
1112 #define SSL_want_x509_lookup(s)	(SSL_want(s) == SSL_X509_LOOKUP)
1113 
1114 #define SSL_MAC_FLAG_READ_MAC_STREAM 1
1115 #define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
1116 
1117 #ifndef OPENSSL_NO_SSL_INTERN
1118 
1119 struct ssl_st
1120 	{
1121 	/* protocol version
1122 	 * (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, DTLS1_VERSION)
1123 	 */
1124 	int version;
1125 	int type; /* SSL_ST_CONNECT or SSL_ST_ACCEPT */
1126 
1127 	const SSL_METHOD *method; /* SSLv3 */
1128 
1129 	/* There are 2 BIO's even though they are normally both the
1130 	 * same.  This is so data can be read and written to different
1131 	 * handlers */
1132 
1133 #ifndef OPENSSL_NO_BIO
1134 	BIO *rbio; /* used by SSL_read */
1135 	BIO *wbio; /* used by SSL_write */
1136 	BIO *bbio; /* used during session-id reuse to concatenate
1137 		    * messages */
1138 #else
1139 	char *rbio; /* used by SSL_read */
1140 	char *wbio; /* used by SSL_write */
1141 	char *bbio;
1142 #endif
1143 	/* This holds a variable that indicates what we were doing
1144 	 * when a 0 or -1 is returned.  This is needed for
1145 	 * non-blocking IO so we know what request needs re-doing when
1146 	 * in SSL_accept or SSL_connect */
1147 	int rwstate;
1148 
1149 	/* true when we are actually in SSL_accept() or SSL_connect() */
1150 	int in_handshake;
1151 	int (*handshake_func)(SSL *);
1152 
1153 	/* Imagine that here's a boolean member "init" that is
1154 	 * switched as soon as SSL_set_{accept/connect}_state
1155 	 * is called for the first time, so that "state" and
1156 	 * "handshake_func" are properly initialized.  But as
1157 	 * handshake_func is == 0 until then, we use this
1158 	 * test instead of an "init" member.
1159 	 */
1160 
1161 	int server;	/* are we the server side? - mostly used by SSL_clear*/
1162 
1163 	int new_session;/* Generate a new session or reuse an old one.
1164 	                 * NB: For servers, the 'new' session may actually be a previously
1165 	                 * cached session or even the previous session unless
1166 	                 * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set */
1167 	int quiet_shutdown;/* don't send shutdown packets */
1168 	int shutdown;	/* we have shut things down, 0x01 sent, 0x02
1169 			 * for received */
1170 	int state;	/* where we are */
1171 	int rstate;	/* where we are when reading */
1172 
1173 	BUF_MEM *init_buf;	/* buffer used during init */
1174 	void *init_msg;   	/* pointer to handshake message body, set by ssl3_get_message() */
1175 	int init_num;		/* amount read/written */
1176 	int init_off;		/* amount read/written */
1177 
1178 	/* used internally to point at a raw packet */
1179 	unsigned char *packet;
1180 	unsigned int packet_length;
1181 
1182 	struct ssl2_state_st *s2; /* SSLv2 variables */
1183 	struct ssl3_state_st *s3; /* SSLv3 variables */
1184 	struct dtls1_state_st *d1; /* DTLSv1 variables */
1185 
1186 	int read_ahead;		/* Read as many input bytes as possible
1187 	               	 	 * (for non-blocking reads) */
1188 
1189 	/* callback that allows applications to peek at protocol messages */
1190 	void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
1191 	void *msg_callback_arg;
1192 
1193 	int hit;		/* reusing a previous session */
1194 
1195 	X509_VERIFY_PARAM *param;
1196 
1197 #if 0
1198 	int purpose;		/* Purpose setting */
1199 	int trust;		/* Trust setting */
1200 #endif
1201 
1202 	/* crypto */
1203 	STACK_OF(SSL_CIPHER) *cipher_list;
1204 	STACK_OF(SSL_CIPHER) *cipher_list_by_id;
1205 
1206 	/* These are the ones being used, the ones in SSL_SESSION are
1207 	 * the ones to be 'copied' into these ones */
1208 	int mac_flags;
1209 	EVP_CIPHER_CTX *enc_read_ctx;		/* cryptographic state */
1210 	EVP_MD_CTX *read_hash;		/* used for mac generation */
1211 #ifndef OPENSSL_NO_COMP
1212 	COMP_CTX *expand;			/* uncompress */
1213 #else
1214 	char *expand;
1215 #endif
1216 
1217 	EVP_CIPHER_CTX *enc_write_ctx;		/* cryptographic state */
1218 	EVP_MD_CTX *write_hash;		/* used for mac generation */
1219 #ifndef OPENSSL_NO_COMP
1220 	COMP_CTX *compress;			/* compression */
1221 #else
1222 	char *compress;
1223 #endif
1224 
1225 	/* session info */
1226 
1227 	/* client cert? */
1228 	/* This is used to hold the server certificate used */
1229 	struct cert_st /* CERT */ *cert;
1230 
1231 	/* the session_id_context is used to ensure sessions are only reused
1232 	 * in the appropriate context */
1233 	unsigned int sid_ctx_length;
1234 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
1235 
1236 	/* This can also be in the session once a session is established */
1237 	SSL_SESSION *session;
1238 
1239         /* This can be disabled to prevent the use of uncached sessions */
1240 	int session_creation_enabled;
1241 
1242 	/* Default generate session ID callback. */
1243 	GEN_SESSION_CB generate_session_id;
1244 
1245 	/* Used in SSL2 and SSL3 */
1246 	int verify_mode;	/* 0 don't care about verify failure.
1247 				 * 1 fail if verify fails */
1248 	int (*verify_callback)(int ok,X509_STORE_CTX *ctx); /* fail if callback returns 0 */
1249 
1250 	void (*info_callback)(const SSL *ssl,int type,int val); /* optional informational callback */
1251 
1252 	int error;		/* error bytes to be written */
1253 	int error_code;		/* actual code */
1254 
1255 #ifndef OPENSSL_NO_KRB5
1256 	KSSL_CTX *kssl_ctx;     /* Kerberos 5 context */
1257 #endif	/* OPENSSL_NO_KRB5 */
1258 
1259 #ifndef OPENSSL_NO_PSK
1260 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
1261 		unsigned int max_identity_len, unsigned char *psk,
1262 		unsigned int max_psk_len);
1263 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1264 		unsigned char *psk, unsigned int max_psk_len);
1265 #endif
1266 
1267 	SSL_CTX *ctx;
1268 	/* set this flag to 1 and a sleep(1) is put into all SSL_read()
1269 	 * and SSL_write() calls, good for nbio debuging :-) */
1270 	int debug;
1271 
1272 	/* extra application data */
1273 	long verify_result;
1274 	CRYPTO_EX_DATA ex_data;
1275 
1276 	/* for server side, keep the list of CA_dn we can use */
1277 	STACK_OF(X509_NAME) *client_CA;
1278 
1279 	int references;
1280 	unsigned long options; /* protocol behaviour */
1281 	unsigned long mode; /* API behaviour */
1282 	long max_cert_list;
1283 	int first_packet;
1284 	int client_version;	/* what was passed, used for
1285 				 * SSLv3/TLS rollback check */
1286 	unsigned int max_send_fragment;
1287 #ifndef OPENSSL_NO_TLSEXT
1288 	/* TLS extension debug callback */
1289 	void (*tlsext_debug_cb)(SSL *s, int client_server, int type,
1290 					unsigned char *data, int len,
1291 					void *arg);
1292 	void *tlsext_debug_arg;
1293 	char *tlsext_hostname;
1294 	int servername_done;   /* no further mod of servername
1295 	                          0 : call the servername extension callback.
1296 	                          1 : prepare 2, allow last ack just after in server callback.
1297 	                          2 : don't call servername callback, no ack in server hello
1298 	                       */
1299 	/* certificate status request info */
1300 	/* Status type or -1 if no status type */
1301 	int tlsext_status_type;
1302 	/* Expect OCSP CertificateStatus message */
1303 	int tlsext_status_expected;
1304 	/* OCSP status request only */
1305 	STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids;
1306 	X509_EXTENSIONS *tlsext_ocsp_exts;
1307 	/* OCSP response received or to be sent */
1308 	unsigned char *tlsext_ocsp_resp;
1309 	int tlsext_ocsp_resplen;
1310 
1311 	/* RFC4507 session ticket expected to be received or sent */
1312 	int tlsext_ticket_expected;
1313 #ifndef OPENSSL_NO_EC
1314 	size_t tlsext_ecpointformatlist_length;
1315 	unsigned char *tlsext_ecpointformatlist; /* our list */
1316 	size_t tlsext_ellipticcurvelist_length;
1317 	unsigned char *tlsext_ellipticcurvelist; /* our list */
1318 #endif /* OPENSSL_NO_EC */
1319 
1320 	/* draft-rescorla-tls-opaque-prf-input-00.txt information to be used for handshakes */
1321 	void *tlsext_opaque_prf_input;
1322 	size_t tlsext_opaque_prf_input_len;
1323 
1324 	/* TLS Session Ticket extension override */
1325 	TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
1326 
1327 	/* TLS Session Ticket extension callback */
1328 	tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
1329 	void *tls_session_ticket_ext_cb_arg;
1330 
1331 	/* TLS pre-shared secret session resumption */
1332 	tls_session_secret_cb_fn tls_session_secret_cb;
1333 	void *tls_session_secret_cb_arg;
1334 
1335 	SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
1336 
1337 #ifndef OPENSSL_NO_NEXTPROTONEG
1338 	/* Next protocol negotiation. For the client, this is the protocol that
1339 	 * we sent in NextProtocol and is set when handling ServerHello
1340 	 * extensions.
1341 	 *
1342 	 * For a server, this is the client's selected_protocol from
1343 	 * NextProtocol and is set when handling the NextProtocol message,
1344 	 * before the Finished message. */
1345 	unsigned char *next_proto_negotiated;
1346 	unsigned char next_proto_negotiated_len;
1347 #endif
1348 
1349 #define session_ctx initial_ctx
1350 
1351 	STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;  /* What we'll do */
1352 	SRTP_PROTECTION_PROFILE *srtp_profile;            /* What's been chosen */
1353 
1354 	unsigned int tlsext_heartbeat;  /* Is use of the Heartbeat extension negotiated?
1355 	                                   0: disabled
1356 	                                   1: enabled
1357 	                                   2: enabled, but not allowed to send Requests
1358 	                                 */
1359 	unsigned int tlsext_hb_pending; /* Indicates if a HeartbeatRequest is in flight */
1360 	unsigned int tlsext_hb_seq;     /* HeartbeatRequest sequence number */
1361 
1362 	/* Copied from the SSL_CTX. For a server, means that we'll accept
1363 	 * Channel IDs from clients. For a client, means that we'll advertise
1364 	 * support. */
1365 	char tlsext_channel_id_enabled;
1366 	/* The client's Channel ID private key. */
1367 	EVP_PKEY *tlsext_channel_id_private;
1368 #else
1369 #define session_ctx ctx
1370 #endif /* OPENSSL_NO_TLSEXT */
1371 
1372 	int renegotiate;/* 1 if we are renegotiating.
1373 	                 * 2 if we are a server and are inside a handshake
1374 	                 * (i.e. not just sending a HelloRequest) */
1375 
1376 #ifndef OPENSSL_NO_SRP
1377 	SRP_CTX srp_ctx; /* ctx for SRP authentication */
1378 #endif
1379 	};
1380 
1381 #endif
1382 
1383 #ifdef __cplusplus
1384 }
1385 #endif
1386 
1387 #include <openssl/ssl2.h>
1388 #include <openssl/ssl3.h>
1389 #include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
1390 #include <openssl/dtls1.h> /* Datagram TLS */
1391 #include <openssl/ssl23.h>
1392 #include <openssl/srtp.h>  /* Support for the use_srtp extension */
1393 
1394 #ifdef  __cplusplus
1395 extern "C" {
1396 #endif
1397 
1398 /* compatibility */
1399 #define SSL_set_app_data(s,arg)		(SSL_set_ex_data(s,0,(char *)arg))
1400 #define SSL_get_app_data(s)		(SSL_get_ex_data(s,0))
1401 #define SSL_SESSION_set_app_data(s,a)	(SSL_SESSION_set_ex_data(s,0,(char *)a))
1402 #define SSL_SESSION_get_app_data(s)	(SSL_SESSION_get_ex_data(s,0))
1403 #define SSL_CTX_get_app_data(ctx)	(SSL_CTX_get_ex_data(ctx,0))
1404 #define SSL_CTX_set_app_data(ctx,arg)	(SSL_CTX_set_ex_data(ctx,0,(char *)arg))
1405 
1406 /* The following are the possible values for ssl->state are are
1407  * used to indicate where we are up to in the SSL connection establishment.
1408  * The macros that follow are about the only things you should need to use
1409  * and even then, only when using non-blocking IO.
1410  * It can also be useful to work out where you were when the connection
1411  * failed */
1412 
1413 #define SSL_ST_CONNECT			0x1000
1414 #define SSL_ST_ACCEPT			0x2000
1415 #define SSL_ST_MASK			0x0FFF
1416 #define SSL_ST_INIT			(SSL_ST_CONNECT|SSL_ST_ACCEPT)
1417 #define SSL_ST_BEFORE			0x4000
1418 #define SSL_ST_OK			0x03
1419 #define SSL_ST_RENEGOTIATE		(0x04|SSL_ST_INIT)
1420 
1421 #define SSL_CB_LOOP			0x01
1422 #define SSL_CB_EXIT			0x02
1423 #define SSL_CB_READ			0x04
1424 #define SSL_CB_WRITE			0x08
1425 #define SSL_CB_ALERT			0x4000 /* used in callback */
1426 #define SSL_CB_READ_ALERT		(SSL_CB_ALERT|SSL_CB_READ)
1427 #define SSL_CB_WRITE_ALERT		(SSL_CB_ALERT|SSL_CB_WRITE)
1428 #define SSL_CB_ACCEPT_LOOP		(SSL_ST_ACCEPT|SSL_CB_LOOP)
1429 #define SSL_CB_ACCEPT_EXIT		(SSL_ST_ACCEPT|SSL_CB_EXIT)
1430 #define SSL_CB_CONNECT_LOOP		(SSL_ST_CONNECT|SSL_CB_LOOP)
1431 #define SSL_CB_CONNECT_EXIT		(SSL_ST_CONNECT|SSL_CB_EXIT)
1432 #define SSL_CB_HANDSHAKE_START		0x10
1433 #define SSL_CB_HANDSHAKE_DONE		0x20
1434 
1435 /* Is the SSL_connection established? */
1436 #define SSL_get_state(a)		SSL_state(a)
1437 #define SSL_is_init_finished(a)		(SSL_state(a) == SSL_ST_OK)
1438 #define SSL_in_init(a)			((SSL_state(a)&SSL_ST_INIT) && \
1439 					!SSL_cutthrough_complete(a))
1440 #define SSL_in_before(a)		(SSL_state(a)&SSL_ST_BEFORE)
1441 #define SSL_in_connect_init(a)		(SSL_state(a)&SSL_ST_CONNECT)
1442 #define SSL_in_accept_init(a)		(SSL_state(a)&SSL_ST_ACCEPT)
1443 int SSL_cutthrough_complete(const SSL *s);
1444 
1445 /* The following 2 states are kept in ssl->rstate when reads fail,
1446  * you should not need these */
1447 #define SSL_ST_READ_HEADER			0xF0
1448 #define SSL_ST_READ_BODY			0xF1
1449 #define SSL_ST_READ_DONE			0xF2
1450 
1451 /* Obtain latest Finished message
1452  *   -- that we sent (SSL_get_finished)
1453  *   -- that we expected from peer (SSL_get_peer_finished).
1454  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
1455 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1456 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1457 
1458 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
1459  * are 'ored' with SSL_VERIFY_PEER if they are desired */
1460 #define SSL_VERIFY_NONE			0x00
1461 #define SSL_VERIFY_PEER			0x01
1462 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT	0x02
1463 #define SSL_VERIFY_CLIENT_ONCE		0x04
1464 
1465 #define OpenSSL_add_ssl_algorithms()	SSL_library_init()
1466 #define SSLeay_add_ssl_algorithms()	SSL_library_init()
1467 
1468 /* this is for backward compatibility */
1469 #if 0 /* NEW_SSLEAY */
1470 #define SSL_CTX_set_default_verify(a,b,c) SSL_CTX_set_verify(a,b,c)
1471 #define SSL_set_pref_cipher(c,n)	SSL_set_cipher_list(c,n)
1472 #define SSL_add_session(a,b)            SSL_CTX_add_session((a),(b))
1473 #define SSL_remove_session(a,b)		SSL_CTX_remove_session((a),(b))
1474 #define SSL_flush_sessions(a,b)		SSL_CTX_flush_sessions((a),(b))
1475 #endif
1476 /* More backward compatibility */
1477 #define SSL_get_cipher(s) \
1478 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1479 #define SSL_get_cipher_bits(s,np) \
1480 		SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1481 #define SSL_get_cipher_version(s) \
1482 		SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1483 #define SSL_get_cipher_name(s) \
1484 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1485 #define SSL_get_time(a)		SSL_SESSION_get_time(a)
1486 #define SSL_set_time(a,b)	SSL_SESSION_set_time((a),(b))
1487 #define SSL_get_timeout(a)	SSL_SESSION_get_timeout(a)
1488 #define SSL_set_timeout(a,b)	SSL_SESSION_set_timeout((a),(b))
1489 
1490 #define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1491 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1492 
1493 DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1494 
1495 #define SSL_AD_REASON_OFFSET		1000 /* offset to get SSL_R_... value from SSL_AD_... */
1496 
1497 /* These alert types are for SSLv3 and TLSv1 */
1498 #define SSL_AD_CLOSE_NOTIFY		SSL3_AD_CLOSE_NOTIFY
1499 #define SSL_AD_UNEXPECTED_MESSAGE	SSL3_AD_UNEXPECTED_MESSAGE /* fatal */
1500 #define SSL_AD_BAD_RECORD_MAC		SSL3_AD_BAD_RECORD_MAC     /* fatal */
1501 #define SSL_AD_DECRYPTION_FAILED	TLS1_AD_DECRYPTION_FAILED
1502 #define SSL_AD_RECORD_OVERFLOW		TLS1_AD_RECORD_OVERFLOW
1503 #define SSL_AD_DECOMPRESSION_FAILURE	SSL3_AD_DECOMPRESSION_FAILURE/* fatal */
1504 #define SSL_AD_HANDSHAKE_FAILURE	SSL3_AD_HANDSHAKE_FAILURE/* fatal */
1505 #define SSL_AD_NO_CERTIFICATE		SSL3_AD_NO_CERTIFICATE /* Not for TLS */
1506 #define SSL_AD_BAD_CERTIFICATE		SSL3_AD_BAD_CERTIFICATE
1507 #define SSL_AD_UNSUPPORTED_CERTIFICATE	SSL3_AD_UNSUPPORTED_CERTIFICATE
1508 #define SSL_AD_CERTIFICATE_REVOKED	SSL3_AD_CERTIFICATE_REVOKED
1509 #define SSL_AD_CERTIFICATE_EXPIRED	SSL3_AD_CERTIFICATE_EXPIRED
1510 #define SSL_AD_CERTIFICATE_UNKNOWN	SSL3_AD_CERTIFICATE_UNKNOWN
1511 #define SSL_AD_ILLEGAL_PARAMETER	SSL3_AD_ILLEGAL_PARAMETER   /* fatal */
1512 #define SSL_AD_UNKNOWN_CA		TLS1_AD_UNKNOWN_CA	/* fatal */
1513 #define SSL_AD_ACCESS_DENIED		TLS1_AD_ACCESS_DENIED	/* fatal */
1514 #define SSL_AD_DECODE_ERROR		TLS1_AD_DECODE_ERROR	/* fatal */
1515 #define SSL_AD_DECRYPT_ERROR		TLS1_AD_DECRYPT_ERROR
1516 #define SSL_AD_EXPORT_RESTRICTION	TLS1_AD_EXPORT_RESTRICTION/* fatal */
1517 #define SSL_AD_PROTOCOL_VERSION		TLS1_AD_PROTOCOL_VERSION /* fatal */
1518 #define SSL_AD_INSUFFICIENT_SECURITY	TLS1_AD_INSUFFICIENT_SECURITY/* fatal */
1519 #define SSL_AD_INTERNAL_ERROR		TLS1_AD_INTERNAL_ERROR	/* fatal */
1520 #define SSL_AD_USER_CANCELLED		TLS1_AD_USER_CANCELLED
1521 #define SSL_AD_NO_RENEGOTIATION		TLS1_AD_NO_RENEGOTIATION
1522 #define SSL_AD_UNSUPPORTED_EXTENSION	TLS1_AD_UNSUPPORTED_EXTENSION
1523 #define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1524 #define SSL_AD_UNRECOGNIZED_NAME	TLS1_AD_UNRECOGNIZED_NAME
1525 #define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1526 #define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1527 #define SSL_AD_UNKNOWN_PSK_IDENTITY     TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */
1528 
1529 #define SSL_ERROR_NONE			0
1530 #define SSL_ERROR_SSL			1
1531 #define SSL_ERROR_WANT_READ		2
1532 #define SSL_ERROR_WANT_WRITE		3
1533 #define SSL_ERROR_WANT_X509_LOOKUP	4
1534 #define SSL_ERROR_SYSCALL		5 /* look at error stack/return value/errno */
1535 #define SSL_ERROR_ZERO_RETURN		6
1536 #define SSL_ERROR_WANT_CONNECT		7
1537 #define SSL_ERROR_WANT_ACCEPT		8
1538 
1539 #define SSL_CTRL_NEED_TMP_RSA			1
1540 #define SSL_CTRL_SET_TMP_RSA			2
1541 #define SSL_CTRL_SET_TMP_DH			3
1542 #define SSL_CTRL_SET_TMP_ECDH			4
1543 #define SSL_CTRL_SET_TMP_RSA_CB			5
1544 #define SSL_CTRL_SET_TMP_DH_CB			6
1545 #define SSL_CTRL_SET_TMP_ECDH_CB		7
1546 
1547 #define SSL_CTRL_GET_SESSION_REUSED		8
1548 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST	9
1549 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS		10
1550 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS	11
1551 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS	12
1552 #define SSL_CTRL_GET_FLAGS			13
1553 #define SSL_CTRL_EXTRA_CHAIN_CERT		14
1554 
1555 #define SSL_CTRL_SET_MSG_CALLBACK               15
1556 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           16
1557 
1558 /* only applies to datagram connections */
1559 #define SSL_CTRL_SET_MTU                17
1560 /* Stats */
1561 #define SSL_CTRL_SESS_NUMBER			20
1562 #define SSL_CTRL_SESS_CONNECT			21
1563 #define SSL_CTRL_SESS_CONNECT_GOOD		22
1564 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE	23
1565 #define SSL_CTRL_SESS_ACCEPT			24
1566 #define SSL_CTRL_SESS_ACCEPT_GOOD		25
1567 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE	26
1568 #define SSL_CTRL_SESS_HIT			27
1569 #define SSL_CTRL_SESS_CB_HIT			28
1570 #define SSL_CTRL_SESS_MISSES			29
1571 #define SSL_CTRL_SESS_TIMEOUTS			30
1572 #define SSL_CTRL_SESS_CACHE_FULL		31
1573 #define SSL_CTRL_OPTIONS			32
1574 #define SSL_CTRL_MODE				33
1575 
1576 #define SSL_CTRL_GET_READ_AHEAD			40
1577 #define SSL_CTRL_SET_READ_AHEAD			41
1578 #define SSL_CTRL_SET_SESS_CACHE_SIZE		42
1579 #define SSL_CTRL_GET_SESS_CACHE_SIZE		43
1580 #define SSL_CTRL_SET_SESS_CACHE_MODE		44
1581 #define SSL_CTRL_GET_SESS_CACHE_MODE		45
1582 
1583 #define SSL_CTRL_GET_MAX_CERT_LIST		50
1584 #define SSL_CTRL_SET_MAX_CERT_LIST		51
1585 
1586 #define SSL_CTRL_SET_MAX_SEND_FRAGMENT		52
1587 
1588 /* see tls1.h for macros based on these */
1589 #ifndef OPENSSL_NO_TLSEXT
1590 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB	53
1591 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG	54
1592 #define SSL_CTRL_SET_TLSEXT_HOSTNAME		55
1593 #define SSL_CTRL_SET_TLSEXT_DEBUG_CB		56
1594 #define SSL_CTRL_SET_TLSEXT_DEBUG_ARG		57
1595 #define SSL_CTRL_GET_TLSEXT_TICKET_KEYS		58
1596 #define SSL_CTRL_SET_TLSEXT_TICKET_KEYS		59
1597 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT	60
1598 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB	61
1599 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62
1600 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB	63
1601 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG	64
1602 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE	65
1603 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS	66
1604 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS	67
1605 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS	68
1606 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS	69
1607 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP	70
1608 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP	71
1609 
1610 #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB	72
1611 
1612 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB	75
1613 #define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB		76
1614 #define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB		77
1615 
1616 #define SSL_CTRL_SET_SRP_ARG		78
1617 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME		79
1618 #define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH		80
1619 #define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD		81
1620 #ifndef OPENSSL_NO_HEARTBEATS
1621 #define SSL_CTRL_TLS_EXT_SEND_HEARTBEAT				85
1622 #define SSL_CTRL_GET_TLS_EXT_HEARTBEAT_PENDING		86
1623 #define SSL_CTRL_SET_TLS_EXT_HEARTBEAT_NO_REQUESTS	87
1624 #endif
1625 #define SSL_CTRL_CHANNEL_ID			88
1626 #define SSL_CTRL_GET_CHANNEL_ID			89
1627 #define SSL_CTRL_SET_CHANNEL_ID			90
1628 #endif
1629 
1630 #define DTLS_CTRL_GET_TIMEOUT		73
1631 #define DTLS_CTRL_HANDLE_TIMEOUT	74
1632 #define DTLS_CTRL_LISTEN			75
1633 
1634 #define SSL_CTRL_GET_RI_SUPPORT			76
1635 #define SSL_CTRL_CLEAR_OPTIONS			77
1636 #define SSL_CTRL_CLEAR_MODE			78
1637 
1638 #define SSL_CTRL_GET_EXTRA_CHAIN_CERTS		82
1639 #define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS	83
1640 
1641 #define DTLSv1_get_timeout(ssl, arg) \
1642 	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
1643 #define DTLSv1_handle_timeout(ssl) \
1644 	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1645 #define DTLSv1_listen(ssl, peer) \
1646 	SSL_ctrl(ssl,DTLS_CTRL_LISTEN,0, (void *)peer)
1647 
1648 #define SSL_session_reused(ssl) \
1649 	SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
1650 #define SSL_num_renegotiations(ssl) \
1651 	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1652 #define SSL_clear_num_renegotiations(ssl) \
1653 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1654 #define SSL_total_renegotiations(ssl) \
1655 	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1656 
1657 #define SSL_CTX_need_tmp_RSA(ctx) \
1658 	SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1659 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
1660 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1661 #define SSL_CTX_set_tmp_dh(ctx,dh) \
1662 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1663 #define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1664 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1665 
1666 #define SSL_need_tmp_RSA(ssl) \
1667 	SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1668 #define SSL_set_tmp_rsa(ssl,rsa) \
1669 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1670 #define SSL_set_tmp_dh(ssl,dh) \
1671 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1672 #define SSL_set_tmp_ecdh(ssl,ecdh) \
1673 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1674 
1675 /* SSL_enable_tls_channel_id configures a TLS server to accept TLS client
1676  * IDs from clients. Returns 1 on success. */
1677 #define SSL_enable_tls_channel_id(ctx) \
1678 	SSL_ctrl(ctx,SSL_CTRL_CHANNEL_ID,0,NULL)
1679 /* SSL_set1_tls_channel_id configures a TLS client to send a TLS Channel ID to
1680  * compatible servers. private_key must be a P-256 EVP_PKEY*. Returns 1 on
1681  * success. */
1682 #define SSL_set1_tls_channel_id(s, private_key) \
1683 	SSL_ctrl(s,SSL_CTRL_SET_CHANNEL_ID,0,(void*)private_key)
1684 #define SSL_CTX_set1_tls_channel_id(ctx, private_key) \
1685 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHANNEL_ID,0,(void*)private_key)
1686 /* SSL_get_tls_channel_id gets the client's TLS Channel ID from a server SSL*
1687  * and copies up to the first |channel_id_len| bytes into |channel_id|. The
1688  * Channel ID consists of the client's P-256 public key as an (x,y) pair where
1689  * each is a 32-byte, big-endian field element. Returns 0 if the client didn't
1690  * offer a Channel ID and the length of the complete Channel ID otherwise. */
1691 #define SSL_get_tls_channel_id(ctx, channel_id, channel_id_len) \
1692 	SSL_ctrl(ctx,SSL_CTRL_GET_CHANNEL_ID,channel_id_len,(void*)channel_id)
1693 
1694 #define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1695 	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
1696 #define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1697 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1698 #define SSL_CTX_clear_extra_chain_certs(ctx) \
1699 	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1700 
1701 #ifndef OPENSSL_NO_BIO
1702 BIO_METHOD *BIO_f_ssl(void);
1703 BIO *BIO_new_ssl(SSL_CTX *ctx,int client);
1704 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1705 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1706 int BIO_ssl_copy_session_id(BIO *to,BIO *from);
1707 void BIO_ssl_shutdown(BIO *ssl_bio);
1708 
1709 #endif
1710 
1711 int	SSL_CTX_set_cipher_list(SSL_CTX *,const char *str);
1712 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1713 void	SSL_CTX_free(SSL_CTX *);
1714 long SSL_CTX_set_timeout(SSL_CTX *ctx,long t);
1715 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1716 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1717 void SSL_CTX_set_cert_store(SSL_CTX *,X509_STORE *);
1718 int SSL_want(const SSL *s);
1719 int	SSL_clear(SSL *s);
1720 
1721 void	SSL_CTX_flush_sessions(SSL_CTX *ctx,long tm);
1722 
1723 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1724 int	SSL_CIPHER_get_bits(const SSL_CIPHER *c,int *alg_bits);
1725 char *	SSL_CIPHER_get_version(const SSL_CIPHER *c);
1726 const char *	SSL_CIPHER_get_name(const SSL_CIPHER *c);
1727 unsigned long 	SSL_CIPHER_get_id(const SSL_CIPHER *c);
1728 const char* SSL_CIPHER_authentication_method(const SSL_CIPHER* cipher);
1729 
1730 int	SSL_get_fd(const SSL *s);
1731 int	SSL_get_rfd(const SSL *s);
1732 int	SSL_get_wfd(const SSL *s);
1733 const char  * SSL_get_cipher_list(const SSL *s,int n);
1734 char *	SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1735 int	SSL_get_read_ahead(const SSL * s);
1736 int	SSL_pending(const SSL *s);
1737 const char *	SSL_authentication_method(const SSL *c);
1738 #ifndef OPENSSL_NO_SOCK
1739 int	SSL_set_fd(SSL *s, int fd);
1740 int	SSL_set_rfd(SSL *s, int fd);
1741 int	SSL_set_wfd(SSL *s, int fd);
1742 #endif
1743 #ifndef OPENSSL_NO_BIO
1744 void	SSL_set_bio(SSL *s, BIO *rbio,BIO *wbio);
1745 BIO *	SSL_get_rbio(const SSL *s);
1746 BIO *	SSL_get_wbio(const SSL *s);
1747 #endif
1748 int	SSL_set_cipher_list(SSL *s, const char *str);
1749 int	SSL_set_cipher_lists(SSL *s, STACK_OF(SSL_CIPHER) *sk);
1750 void	SSL_set_read_ahead(SSL *s, int yes);
1751 int	SSL_get_verify_mode(const SSL *s);
1752 int	SSL_get_verify_depth(const SSL *s);
1753 int	(*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *);
1754 void	SSL_set_verify(SSL *s, int mode,
1755 		       int (*callback)(int ok,X509_STORE_CTX *ctx));
1756 void	SSL_set_verify_depth(SSL *s, int depth);
1757 #ifndef OPENSSL_NO_RSA
1758 int	SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1759 #endif
1760 int	SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
1761 int	SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1762 int	SSL_use_PrivateKey_ASN1(int pk,SSL *ssl, const unsigned char *d, long len);
1763 int	SSL_use_certificate(SSL *ssl, X509 *x);
1764 int	SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1765 int	SSL_use_certificate_chain(SSL *ssl, STACK_OF(X509) *cert_chain);
1766 STACK_OF(X509) * SSL_get_certificate_chain(SSL *ssl, X509 *x);
1767 
1768 #ifndef OPENSSL_NO_STDIO
1769 int	SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1770 int	SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1771 int	SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1772 int	SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1773 int	SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1774 int	SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1775 int	SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1776 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1777 int	SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1778 					    const char *file);
1779 #ifndef OPENSSL_SYS_VMS
1780 #ifndef OPENSSL_SYS_MACINTOSH_CLASSIC /* XXXXX: Better scheme needed! [was: #ifndef MAC_OS_pre_X] */
1781 int	SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1782 					   const char *dir);
1783 #endif
1784 #endif
1785 
1786 #endif
1787 
1788 void	SSL_load_error_strings(void );
1789 const char *SSL_state_string(const SSL *s);
1790 const char *SSL_rstate_string(const SSL *s);
1791 const char *SSL_state_string_long(const SSL *s);
1792 const char *SSL_rstate_string_long(const SSL *s);
1793 long	SSL_SESSION_get_time(const SSL_SESSION *s);
1794 long	SSL_SESSION_set_time(SSL_SESSION *s, long t);
1795 long	SSL_SESSION_get_timeout(const SSL_SESSION *s);
1796 long	SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1797 void	SSL_copy_session_id(SSL *to,const SSL *from);
1798 X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1799 int SSL_SESSION_set1_id_context(SSL_SESSION *s,const unsigned char *sid_ctx,
1800 			       unsigned int sid_ctx_len);
1801 
1802 SSL_SESSION *SSL_SESSION_new(void);
1803 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1804 					unsigned int *len);
1805 const char *	SSL_SESSION_get_version(const SSL_SESSION *s);
1806 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1807 #ifndef OPENSSL_NO_FP_API
1808 int	SSL_SESSION_print_fp(FILE *fp,const SSL_SESSION *ses);
1809 #endif
1810 #ifndef OPENSSL_NO_BIO
1811 int	SSL_SESSION_print(BIO *fp,const SSL_SESSION *ses);
1812 #endif
1813 void	SSL_SESSION_free(SSL_SESSION *ses);
1814 int	i2d_SSL_SESSION(SSL_SESSION *in,unsigned char **pp);
1815 int	SSL_set_session(SSL *to, SSL_SESSION *session);
1816 void	SSL_set_session_creation_enabled(SSL *, int);
1817 int	SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1818 int	SSL_CTX_remove_session(SSL_CTX *,SSL_SESSION *c);
1819 int	SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1820 int	SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1821 int	SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1822 					unsigned int id_len);
1823 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a,const unsigned char **pp,
1824 			     long length);
1825 
1826 #ifdef HEADER_X509_H
1827 X509 *	SSL_get_peer_certificate(const SSL *s);
1828 #endif
1829 
1830 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1831 
1832 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1833 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1834 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *);
1835 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,
1836 			int (*callback)(int, X509_STORE_CTX *));
1837 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth);
1838 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg);
1839 #ifndef OPENSSL_NO_RSA
1840 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1841 #endif
1842 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len);
1843 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1844 int SSL_CTX_use_PrivateKey_ASN1(int pk,SSL_CTX *ctx,
1845 	const unsigned char *d, long len);
1846 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1847 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
1848 
1849 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1850 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1851 
1852 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1853 int SSL_check_private_key(const SSL *ctx);
1854 
1855 int	SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
1856 				       unsigned int sid_ctx_len);
1857 
1858 SSL *	SSL_new(SSL_CTX *ctx);
1859 int	SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
1860 				   unsigned int sid_ctx_len);
1861 
1862 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1863 int SSL_set_purpose(SSL *s, int purpose);
1864 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1865 int SSL_set_trust(SSL *s, int trust);
1866 
1867 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1868 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1869 
1870 #ifndef OPENSSL_NO_SRP
1871 int SSL_CTX_set_srp_username(SSL_CTX *ctx,char *name);
1872 int SSL_CTX_set_srp_password(SSL_CTX *ctx,char *password);
1873 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1874 int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1875 					char *(*cb)(SSL *,void *));
1876 int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1877 					  int (*cb)(SSL *,void *));
1878 int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1879 				      int (*cb)(SSL *,int *,void *));
1880 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1881 
1882 int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1883 			     BIGNUM *sa, BIGNUM *v, char *info);
1884 int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1885 				const char *grp);
1886 
1887 BIGNUM *SSL_get_srp_g(SSL *s);
1888 BIGNUM *SSL_get_srp_N(SSL *s);
1889 
1890 char *SSL_get_srp_username(SSL *s);
1891 char *SSL_get_srp_userinfo(SSL *s);
1892 #endif
1893 
1894 void	SSL_free(SSL *ssl);
1895 int 	SSL_accept(SSL *ssl);
1896 int 	SSL_connect(SSL *ssl);
1897 int 	SSL_read(SSL *ssl,void *buf,int num);
1898 int 	SSL_peek(SSL *ssl,void *buf,int num);
1899 int 	SSL_write(SSL *ssl,const void *buf,int num);
1900 long	SSL_ctrl(SSL *ssl,int cmd, long larg, void *parg);
1901 long	SSL_callback_ctrl(SSL *, int, void (*)(void));
1902 long	SSL_CTX_ctrl(SSL_CTX *ctx,int cmd, long larg, void *parg);
1903 long	SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
1904 
1905 int	SSL_get_error(const SSL *s,int ret_code);
1906 const char *SSL_get_version(const SSL *s);
1907 
1908 /* This sets the 'default' SSL version that SSL_new() will create */
1909 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
1910 
1911 #ifndef OPENSSL_NO_SSL2
1912 const SSL_METHOD *SSLv2_method(void);		/* SSLv2 */
1913 const SSL_METHOD *SSLv2_server_method(void);	/* SSLv2 */
1914 const SSL_METHOD *SSLv2_client_method(void);	/* SSLv2 */
1915 #endif
1916 
1917 const SSL_METHOD *SSLv3_method(void);		/* SSLv3 */
1918 const SSL_METHOD *SSLv3_server_method(void);	/* SSLv3 */
1919 const SSL_METHOD *SSLv3_client_method(void);	/* SSLv3 */
1920 
1921 const SSL_METHOD *SSLv23_method(void);	/* SSLv3 but can rollback to v2 */
1922 const SSL_METHOD *SSLv23_server_method(void);	/* SSLv3 but can rollback to v2 */
1923 const SSL_METHOD *SSLv23_client_method(void);	/* SSLv3 but can rollback to v2 */
1924 
1925 const SSL_METHOD *TLSv1_method(void);		/* TLSv1.0 */
1926 const SSL_METHOD *TLSv1_server_method(void);	/* TLSv1.0 */
1927 const SSL_METHOD *TLSv1_client_method(void);	/* TLSv1.0 */
1928 
1929 const SSL_METHOD *TLSv1_1_method(void);		/* TLSv1.1 */
1930 const SSL_METHOD *TLSv1_1_server_method(void);	/* TLSv1.1 */
1931 const SSL_METHOD *TLSv1_1_client_method(void);	/* TLSv1.1 */
1932 
1933 const SSL_METHOD *TLSv1_2_method(void);		/* TLSv1.2 */
1934 const SSL_METHOD *TLSv1_2_server_method(void);	/* TLSv1.2 */
1935 const SSL_METHOD *TLSv1_2_client_method(void);	/* TLSv1.2 */
1936 
1937 
1938 const SSL_METHOD *DTLSv1_method(void);		/* DTLSv1.0 */
1939 const SSL_METHOD *DTLSv1_server_method(void);	/* DTLSv1.0 */
1940 const SSL_METHOD *DTLSv1_client_method(void);	/* DTLSv1.0 */
1941 
1942 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
1943 
1944 int SSL_do_handshake(SSL *s);
1945 int SSL_renegotiate(SSL *s);
1946 int SSL_renegotiate_abbreviated(SSL *s);
1947 int SSL_renegotiate_pending(SSL *s);
1948 int SSL_shutdown(SSL *s);
1949 
1950 const SSL_METHOD *SSL_get_ssl_method(SSL *s);
1951 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
1952 const char *SSL_alert_type_string_long(int value);
1953 const char *SSL_alert_type_string(int value);
1954 const char *SSL_alert_desc_string_long(int value);
1955 const char *SSL_alert_desc_string(int value);
1956 
1957 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
1958 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
1959 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
1960 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
1961 int SSL_add_client_CA(SSL *ssl,X509 *x);
1962 int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x);
1963 
1964 void SSL_set_connect_state(SSL *s);
1965 void SSL_set_accept_state(SSL *s);
1966 
1967 long SSL_get_default_timeout(const SSL *s);
1968 
1969 int SSL_library_init(void );
1970 
1971 char *SSL_CIPHER_description(const SSL_CIPHER *,char *buf,int size);
1972 STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk);
1973 
1974 SSL *SSL_dup(SSL *ssl);
1975 
1976 X509 *SSL_get_certificate(const SSL *ssl);
1977 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(SSL *ssl);
1978 
1979 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
1980 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
1981 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
1982 int SSL_get_quiet_shutdown(const SSL *ssl);
1983 void SSL_set_shutdown(SSL *ssl,int mode);
1984 int SSL_get_shutdown(const SSL *ssl);
1985 int SSL_version(const SSL *ssl);
1986 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
1987 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
1988 	const char *CApath);
1989 #define SSL_get0_session SSL_get_session /* just peek at pointer */
1990 SSL_SESSION *SSL_get_session(const SSL *ssl);
1991 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
1992 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
1993 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx);
1994 void SSL_set_info_callback(SSL *ssl,
1995 			   void (*cb)(const SSL *ssl,int type,int val));
1996 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl,int type,int val);
1997 int SSL_state(const SSL *ssl);
1998 void SSL_set_state(SSL *ssl, int state);
1999 
2000 void SSL_set_verify_result(SSL *ssl,long v);
2001 long SSL_get_verify_result(const SSL *ssl);
2002 
2003 int SSL_set_ex_data(SSL *ssl,int idx,void *data);
2004 void *SSL_get_ex_data(const SSL *ssl,int idx);
2005 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
2006 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
2007 
2008 int SSL_SESSION_set_ex_data(SSL_SESSION *ss,int idx,void *data);
2009 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss,int idx);
2010 int SSL_SESSION_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
2011 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
2012 
2013 int SSL_CTX_set_ex_data(SSL_CTX *ssl,int idx,void *data);
2014 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl,int idx);
2015 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
2016 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
2017 
2018 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
2019 
2020 #define SSL_CTX_sess_set_cache_size(ctx,t) \
2021 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2022 #define SSL_CTX_sess_get_cache_size(ctx) \
2023 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2024 #define SSL_CTX_set_session_cache_mode(ctx,m) \
2025 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2026 #define SSL_CTX_get_session_cache_mode(ctx) \
2027 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2028 
2029 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2030 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2031 #define SSL_CTX_get_read_ahead(ctx) \
2032 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2033 #define SSL_CTX_set_read_ahead(ctx,m) \
2034 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2035 #define SSL_CTX_get_max_cert_list(ctx) \
2036 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2037 #define SSL_CTX_set_max_cert_list(ctx,m) \
2038 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2039 #define SSL_get_max_cert_list(ssl) \
2040 	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2041 #define SSL_set_max_cert_list(ssl,m) \
2042 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2043 
2044 #define SSL_CTX_set_max_send_fragment(ctx,m) \
2045 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2046 #define SSL_set_max_send_fragment(ssl,m) \
2047 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2048 
2049      /* NB: the keylength is only applicable when is_export is true */
2050 #ifndef OPENSSL_NO_RSA
2051 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
2052 				  RSA *(*cb)(SSL *ssl,int is_export,
2053 					     int keylength));
2054 
2055 void SSL_set_tmp_rsa_callback(SSL *ssl,
2056 				  RSA *(*cb)(SSL *ssl,int is_export,
2057 					     int keylength));
2058 #endif
2059 #ifndef OPENSSL_NO_DH
2060 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2061 				 DH *(*dh)(SSL *ssl,int is_export,
2062 					   int keylength));
2063 void SSL_set_tmp_dh_callback(SSL *ssl,
2064 				 DH *(*dh)(SSL *ssl,int is_export,
2065 					   int keylength));
2066 #endif
2067 #ifndef OPENSSL_NO_ECDH
2068 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,
2069 				 EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2070 					   int keylength));
2071 void SSL_set_tmp_ecdh_callback(SSL *ssl,
2072 				 EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2073 					   int keylength));
2074 #endif
2075 
2076 #ifndef OPENSSL_NO_COMP
2077 const COMP_METHOD *SSL_get_current_compression(SSL *s);
2078 const COMP_METHOD *SSL_get_current_expansion(SSL *s);
2079 const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2080 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2081 int SSL_COMP_add_compression_method(int id,COMP_METHOD *cm);
2082 #else
2083 const void *SSL_get_current_compression(SSL *s);
2084 const void *SSL_get_current_expansion(SSL *s);
2085 const char *SSL_COMP_get_name(const void *comp);
2086 void *SSL_COMP_get_compression_methods(void);
2087 int SSL_COMP_add_compression_method(int id,void *cm);
2088 #endif
2089 
2090 /* TLS extensions functions */
2091 int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2092 
2093 int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
2094 				  void *arg);
2095 
2096 /* Pre-shared secret session resumption functions */
2097 int SSL_set_session_secret_cb(SSL *s, tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
2098 
2099 void SSL_set_debug(SSL *s, int debug);
2100 int SSL_cache_hit(SSL *s);
2101 
2102 /* BEGIN ERROR CODES */
2103 /* The following lines are auto generated by the script mkerr.pl. Any changes
2104  * made after this point may be overwritten when the script is next run.
2105  */
2106 void ERR_load_SSL_strings(void);
2107 
2108 /* Error codes for the SSL functions. */
2109 
2110 /* Function codes. */
2111 #define SSL_F_CLIENT_CERTIFICATE			 100
2112 #define SSL_F_CLIENT_FINISHED				 167
2113 #define SSL_F_CLIENT_HELLO				 101
2114 #define SSL_F_CLIENT_MASTER_KEY				 102
2115 #define SSL_F_D2I_SSL_SESSION				 103
2116 #define SSL_F_DO_DTLS1_WRITE				 245
2117 #define SSL_F_DO_SSL3_WRITE				 104
2118 #define SSL_F_DTLS1_ACCEPT				 246
2119 #define SSL_F_DTLS1_ADD_CERT_TO_BUF			 295
2120 #define SSL_F_DTLS1_BUFFER_RECORD			 247
2121 #define SSL_F_DTLS1_CHECK_TIMEOUT_NUM			 316
2122 #define SSL_F_DTLS1_CLIENT_HELLO			 248
2123 #define SSL_F_DTLS1_CONNECT				 249
2124 #define SSL_F_DTLS1_ENC					 250
2125 #define SSL_F_DTLS1_GET_HELLO_VERIFY			 251
2126 #define SSL_F_DTLS1_GET_MESSAGE				 252
2127 #define SSL_F_DTLS1_GET_MESSAGE_FRAGMENT		 253
2128 #define SSL_F_DTLS1_GET_RECORD				 254
2129 #define SSL_F_DTLS1_HANDLE_TIMEOUT			 297
2130 #define SSL_F_DTLS1_HEARTBEAT				 305
2131 #define SSL_F_DTLS1_OUTPUT_CERT_CHAIN			 255
2132 #define SSL_F_DTLS1_PREPROCESS_FRAGMENT			 288
2133 #define SSL_F_DTLS1_PROCESS_OUT_OF_SEQ_MESSAGE		 256
2134 #define SSL_F_DTLS1_PROCESS_RECORD			 257
2135 #define SSL_F_DTLS1_READ_BYTES				 258
2136 #define SSL_F_DTLS1_READ_FAILED				 259
2137 #define SSL_F_DTLS1_SEND_CERTIFICATE_REQUEST		 260
2138 #define SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE		 261
2139 #define SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE		 262
2140 #define SSL_F_DTLS1_SEND_CLIENT_VERIFY			 263
2141 #define SSL_F_DTLS1_SEND_HELLO_VERIFY_REQUEST		 264
2142 #define SSL_F_DTLS1_SEND_SERVER_CERTIFICATE		 265
2143 #define SSL_F_DTLS1_SEND_SERVER_HELLO			 266
2144 #define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE		 267
2145 #define SSL_F_DTLS1_WRITE_APP_DATA_BYTES		 268
2146 #define SSL_F_GET_CLIENT_FINISHED			 105
2147 #define SSL_F_GET_CLIENT_HELLO				 106
2148 #define SSL_F_GET_CLIENT_MASTER_KEY			 107
2149 #define SSL_F_GET_SERVER_FINISHED			 108
2150 #define SSL_F_GET_SERVER_HELLO				 109
2151 #define SSL_F_GET_SERVER_VERIFY				 110
2152 #define SSL_F_I2D_SSL_SESSION				 111
2153 #define SSL_F_READ_N					 112
2154 #define SSL_F_REQUEST_CERTIFICATE			 113
2155 #define SSL_F_SERVER_FINISH				 239
2156 #define SSL_F_SERVER_HELLO				 114
2157 #define SSL_F_SERVER_VERIFY				 240
2158 #define SSL_F_SSL23_ACCEPT				 115
2159 #define SSL_F_SSL23_CLIENT_HELLO			 116
2160 #define SSL_F_SSL23_CONNECT				 117
2161 #define SSL_F_SSL23_GET_CLIENT_HELLO			 118
2162 #define SSL_F_SSL23_GET_SERVER_HELLO			 119
2163 #define SSL_F_SSL23_PEEK				 237
2164 #define SSL_F_SSL23_READ				 120
2165 #define SSL_F_SSL23_WRITE				 121
2166 #define SSL_F_SSL2_ACCEPT				 122
2167 #define SSL_F_SSL2_CONNECT				 123
2168 #define SSL_F_SSL2_ENC_INIT				 124
2169 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL		 241
2170 #define SSL_F_SSL2_PEEK					 234
2171 #define SSL_F_SSL2_READ					 125
2172 #define SSL_F_SSL2_READ_INTERNAL			 236
2173 #define SSL_F_SSL2_SET_CERTIFICATE			 126
2174 #define SSL_F_SSL2_WRITE				 127
2175 #define SSL_F_SSL3_ACCEPT				 128
2176 #define SSL_F_SSL3_ADD_CERT_TO_BUF			 296
2177 #define SSL_F_SSL3_CALLBACK_CTRL			 233
2178 #define SSL_F_SSL3_CHANGE_CIPHER_STATE			 129
2179 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM		 130
2180 #define SSL_F_SSL3_CHECK_CLIENT_HELLO			 304
2181 #define SSL_F_SSL3_CLIENT_HELLO				 131
2182 #define SSL_F_SSL3_CONNECT				 132
2183 #define SSL_F_SSL3_CTRL					 213
2184 #define SSL_F_SSL3_CTX_CTRL				 133
2185 #define SSL_F_SSL3_DIGEST_CACHED_RECORDS		 293
2186 #define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC		 292
2187 #define SSL_F_SSL3_ENC					 134
2188 #define SSL_F_SSL3_GENERATE_KEY_BLOCK			 238
2189 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST		 135
2190 #define SSL_F_SSL3_GET_CERT_STATUS			 289
2191 #define SSL_F_SSL3_GET_CERT_VERIFY			 136
2192 #define SSL_F_SSL3_GET_CHANNEL_ID			 317
2193 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE		 137
2194 #define SSL_F_SSL3_GET_CLIENT_HELLO			 138
2195 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE		 139
2196 #define SSL_F_SSL3_GET_FINISHED				 140
2197 #define SSL_F_SSL3_GET_KEY_EXCHANGE			 141
2198 #define SSL_F_SSL3_GET_MESSAGE				 142
2199 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET		 283
2200 #define SSL_F_SSL3_GET_NEXT_PROTO			 306
2201 #define SSL_F_SSL3_GET_RECORD				 143
2202 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE		 144
2203 #define SSL_F_SSL3_GET_SERVER_DONE			 145
2204 #define SSL_F_SSL3_GET_SERVER_HELLO			 146
2205 #define SSL_F_SSL3_HANDSHAKE_MAC			 285
2206 #define SSL_F_SSL3_NEW_SESSION_TICKET			 287
2207 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN			 147
2208 #define SSL_F_SSL3_PEEK					 235
2209 #define SSL_F_SSL3_READ_BYTES				 148
2210 #define SSL_F_SSL3_READ_N				 149
2211 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST		 150
2212 #define SSL_F_SSL3_SEND_CHANNEL_ID			 318
2213 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE		 151
2214 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE		 152
2215 #define SSL_F_SSL3_SEND_CLIENT_VERIFY			 153
2216 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE		 154
2217 #define SSL_F_SSL3_SEND_SERVER_HELLO			 242
2218 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE		 155
2219 #define SSL_F_SSL3_SETUP_KEY_BLOCK			 157
2220 #define SSL_F_SSL3_SETUP_READ_BUFFER			 156
2221 #define SSL_F_SSL3_SETUP_WRITE_BUFFER			 291
2222 #define SSL_F_SSL3_WRITE_BYTES				 158
2223 #define SSL_F_SSL3_WRITE_PENDING			 159
2224 #define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT	 298
2225 #define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT		 277
2226 #define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT		 307
2227 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK	 215
2228 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK	 216
2229 #define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT	 299
2230 #define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT		 278
2231 #define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT		 308
2232 #define SSL_F_SSL_BAD_METHOD				 160
2233 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST			 161
2234 #define SSL_F_SSL_CERT_DUP				 221
2235 #define SSL_F_SSL_CERT_INST				 222
2236 #define SSL_F_SSL_CERT_INSTANTIATE			 214
2237 #define SSL_F_SSL_CERT_NEW				 162
2238 #define SSL_F_SSL_CHECK_PRIVATE_KEY			 163
2239 #define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT		 280
2240 #define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG		 279
2241 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR		 230
2242 #define SSL_F_SSL_CIPHER_STRENGTH_SORT			 231
2243 #define SSL_F_SSL_CLEAR					 164
2244 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD		 165
2245 #define SSL_F_SSL_CREATE_CIPHER_LIST			 166
2246 #define SSL_F_SSL_CTRL					 232
2247 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY			 168
2248 #define SSL_F_SSL_CTX_MAKE_PROFILES			 309
2249 #define SSL_F_SSL_CTX_NEW				 169
2250 #define SSL_F_SSL_CTX_SET_CIPHER_LIST			 269
2251 #define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE		 290
2252 #define SSL_F_SSL_CTX_SET_PURPOSE			 226
2253 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT		 219
2254 #define SSL_F_SSL_CTX_SET_SSL_VERSION			 170
2255 #define SSL_F_SSL_CTX_SET_TRUST				 229
2256 #define SSL_F_SSL_CTX_USE_CERTIFICATE			 171
2257 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1		 172
2258 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE	 220
2259 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE		 173
2260 #define SSL_F_SSL_CTX_USE_PRIVATEKEY			 174
2261 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1		 175
2262 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE		 176
2263 #define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT		 272
2264 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY			 177
2265 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1		 178
2266 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE		 179
2267 #define SSL_F_SSL_DO_HANDSHAKE				 180
2268 #define SSL_F_SSL_GET_NEW_SESSION			 181
2269 #define SSL_F_SSL_GET_PREV_SESSION			 217
2270 #define SSL_F_SSL_GET_SERVER_SEND_CERT			 182
2271 #define SSL_F_SSL_GET_SERVER_SEND_PKEY			 317
2272 #define SSL_F_SSL_GET_SIGN_PKEY				 183
2273 #define SSL_F_SSL_INIT_WBIO_BUFFER			 184
2274 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE			 185
2275 #define SSL_F_SSL_NEW					 186
2276 #define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT	 300
2277 #define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT		 302
2278 #define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT	 310
2279 #define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT	 301
2280 #define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT		 303
2281 #define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT	 311
2282 #define SSL_F_SSL_PEEK					 270
2283 #define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT		 281
2284 #define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT		 282
2285 #define SSL_F_SSL_READ					 223
2286 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT			 187
2287 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT			 188
2288 #define SSL_F_SSL_SESSION_NEW				 189
2289 #define SSL_F_SSL_SESSION_PRINT_FP			 190
2290 #define SSL_F_SSL_SESSION_SET1_ID_CONTEXT		 312
2291 #define SSL_F_SSL_SESS_CERT_NEW				 225
2292 #define SSL_F_SSL_SET_CERT				 191
2293 #define SSL_F_SSL_SET_CIPHER_LIST			 271
2294 #define SSL_F_SSL_SET_FD				 192
2295 #define SSL_F_SSL_SET_PKEY				 193
2296 #define SSL_F_SSL_SET_PURPOSE				 227
2297 #define SSL_F_SSL_SET_RFD				 194
2298 #define SSL_F_SSL_SET_SESSION				 195
2299 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT		 218
2300 #define SSL_F_SSL_SET_SESSION_TICKET_EXT		 294
2301 #define SSL_F_SSL_SET_TRUST				 228
2302 #define SSL_F_SSL_SET_WFD				 196
2303 #define SSL_F_SSL_SHUTDOWN				 224
2304 #define SSL_F_SSL_SRP_CTX_INIT				 313
2305 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION		 243
2306 #define SSL_F_SSL_UNDEFINED_FUNCTION			 197
2307 #define SSL_F_SSL_UNDEFINED_VOID_FUNCTION		 244
2308 #define SSL_F_SSL_USE_CERTIFICATE			 198
2309 #define SSL_F_SSL_USE_CERTIFICATE_ASN1			 199
2310 #define SSL_F_SSL_USE_CERTIFICATE_CHAIN			 2000
2311 #define SSL_F_SSL_USE_CERTIFICATE_FILE			 200
2312 #define SSL_F_SSL_USE_PRIVATEKEY			 201
2313 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1			 202
2314 #define SSL_F_SSL_USE_PRIVATEKEY_FILE			 203
2315 #define SSL_F_SSL_USE_PSK_IDENTITY_HINT			 273
2316 #define SSL_F_SSL_USE_RSAPRIVATEKEY			 204
2317 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1		 205
2318 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE		 206
2319 #define SSL_F_SSL_VERIFY_CERT_CHAIN			 207
2320 #define SSL_F_SSL_WRITE					 208
2321 #define SSL_F_TLS1_CERT_VERIFY_MAC			 286
2322 #define SSL_F_TLS1_CHANGE_CIPHER_STATE			 209
2323 #define SSL_F_TLS1_CHECK_SERVERHELLO_TLSEXT		 274
2324 #define SSL_F_TLS1_ENC					 210
2325 #define SSL_F_TLS1_EXPORT_KEYING_MATERIAL		 314
2326 #define SSL_F_TLS1_HEARTBEAT				 315
2327 #define SSL_F_TLS1_PREPARE_CLIENTHELLO_TLSEXT		 275
2328 #define SSL_F_TLS1_PREPARE_SERVERHELLO_TLSEXT		 276
2329 #define SSL_F_TLS1_PRF					 284
2330 #define SSL_F_TLS1_SETUP_KEY_BLOCK			 211
2331 #define SSL_F_WRITE_PENDING				 212
2332 
2333 /* Reason codes. */
2334 #define SSL_R_APP_DATA_IN_HANDSHAKE			 100
2335 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
2336 #define SSL_R_BAD_ALERT_RECORD				 101
2337 #define SSL_R_BAD_AUTHENTICATION_TYPE			 102
2338 #define SSL_R_BAD_CHANGE_CIPHER_SPEC			 103
2339 #define SSL_R_BAD_CHECKSUM				 104
2340 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK		 106
2341 #define SSL_R_BAD_DECOMPRESSION				 107
2342 #define SSL_R_BAD_DH_G_LENGTH				 108
2343 #define SSL_R_BAD_DH_PUB_KEY_LENGTH			 109
2344 #define SSL_R_BAD_DH_P_LENGTH				 110
2345 #define SSL_R_BAD_DIGEST_LENGTH				 111
2346 #define SSL_R_BAD_DSA_SIGNATURE				 112
2347 #define SSL_R_BAD_ECC_CERT				 304
2348 #define SSL_R_BAD_ECDSA_SIGNATURE			 305
2349 #define SSL_R_BAD_ECPOINT				 306
2350 #define SSL_R_BAD_HANDSHAKE_LENGTH			 332
2351 #define SSL_R_BAD_HELLO_REQUEST				 105
2352 #define SSL_R_BAD_LENGTH				 271
2353 #define SSL_R_BAD_MAC_DECODE				 113
2354 #define SSL_R_BAD_MAC_LENGTH				 333
2355 #define SSL_R_BAD_MESSAGE_TYPE				 114
2356 #define SSL_R_BAD_PACKET_LENGTH				 115
2357 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER		 116
2358 #define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH		 316
2359 #define SSL_R_BAD_RESPONSE_ARGUMENT			 117
2360 #define SSL_R_BAD_RSA_DECRYPT				 118
2361 #define SSL_R_BAD_RSA_ENCRYPT				 119
2362 #define SSL_R_BAD_RSA_E_LENGTH				 120
2363 #define SSL_R_BAD_RSA_MODULUS_LENGTH			 121
2364 #define SSL_R_BAD_RSA_SIGNATURE				 122
2365 #define SSL_R_BAD_SIGNATURE				 123
2366 #define SSL_R_BAD_SRP_A_LENGTH				 347
2367 #define SSL_R_BAD_SRP_B_LENGTH				 348
2368 #define SSL_R_BAD_SRP_G_LENGTH				 349
2369 #define SSL_R_BAD_SRP_N_LENGTH				 350
2370 #define SSL_R_BAD_SRP_S_LENGTH				 351
2371 #define SSL_R_BAD_SRTP_MKI_VALUE			 352
2372 #define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST		 353
2373 #define SSL_R_BAD_SSL_FILETYPE				 124
2374 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH			 125
2375 #define SSL_R_BAD_STATE					 126
2376 #define SSL_R_BAD_WRITE_RETRY				 127
2377 #define SSL_R_BIO_NOT_SET				 128
2378 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG			 129
2379 #define SSL_R_BN_LIB					 130
2380 #define SSL_R_CANNOT_SERIALIZE_PUBLIC_KEY		 376
2381 #define SSL_R_CA_DN_LENGTH_MISMATCH			 131
2382 #define SSL_R_CA_DN_TOO_LONG				 132
2383 #define SSL_R_CCS_RECEIVED_EARLY			 133
2384 #define SSL_R_CERTIFICATE_VERIFY_FAILED			 134
2385 #define SSL_R_CERT_LENGTH_MISMATCH			 135
2386 #define SSL_R_CHALLENGE_IS_DIFFERENT			 136
2387 #define SSL_R_CHANNEL_ID_NOT_P256			 375
2388 #define SSL_R_CHANNEL_ID_SIGNATURE_INVALID		 371
2389 #define SSL_R_CIPHER_CODE_WRONG_LENGTH			 137
2390 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE		 138
2391 #define SSL_R_CIPHER_TABLE_SRC_ERROR			 139
2392 #define SSL_R_CLIENTHELLO_TLSEXT			 226
2393 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG		 140
2394 #define SSL_R_COMPRESSION_DISABLED			 343
2395 #define SSL_R_COMPRESSION_FAILURE			 141
2396 #define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE	 307
2397 #define SSL_R_COMPRESSION_LIBRARY_ERROR			 142
2398 #define SSL_R_CONNECTION_ID_IS_DIFFERENT		 143
2399 #define SSL_R_CONNECTION_TYPE_NOT_SET			 144
2400 #define SSL_R_COOKIE_MISMATCH				 308
2401 #define SSL_R_D2I_ECDSA_SIG				 379
2402 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED		 145
2403 #define SSL_R_DATA_LENGTH_TOO_LONG			 146
2404 #define SSL_R_DECRYPTION_FAILED				 147
2405 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC	 281
2406 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG		 148
2407 #define SSL_R_DIGEST_CHECK_FAILED			 149
2408 #define SSL_R_DTLS_MESSAGE_TOO_BIG			 334
2409 #define SSL_R_DUPLICATE_COMPRESSION_ID			 309
2410 #define SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT		 317
2411 #define SSL_R_ECC_CERT_NOT_FOR_SIGNING			 318
2412 #define SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE	 322
2413 #define SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE	 323
2414 #define SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER		 310
2415 #define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST	 354
2416 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG			 150
2417 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY		 282
2418 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST		 151
2419 #define SSL_R_EVP_DIGESTSIGNFINAL_FAILED		 377
2420 #define SSL_R_EVP_DIGESTSIGNINIT_FAILED			 378
2421 #define SSL_R_EXCESSIVE_MESSAGE_SIZE			 152
2422 #define SSL_R_EXTRA_DATA_IN_MESSAGE			 153
2423 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS			 154
2424 #define SSL_R_GOT_CHANNEL_ID_BEFORE_A_CCS		 372
2425 #define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS		 355
2426 #define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION		 356
2427 #define SSL_R_HTTPS_PROXY_REQUEST			 155
2428 #define SSL_R_HTTP_REQUEST				 156
2429 #define SSL_R_ILLEGAL_PADDING				 283
2430 #define SSL_R_INCONSISTENT_COMPRESSION			 340
2431 #define SSL_R_INVALID_CHALLENGE_LENGTH			 158
2432 #define SSL_R_INVALID_COMMAND				 280
2433 #define SSL_R_INVALID_COMPRESSION_ALGORITHM		 341
2434 #define SSL_R_INVALID_MESSAGE				 374
2435 #define SSL_R_INVALID_PURPOSE				 278
2436 #define SSL_R_INVALID_SRP_USERNAME			 357
2437 #define SSL_R_INVALID_STATUS_RESPONSE			 328
2438 #define SSL_R_INVALID_TICKET_KEYS_LENGTH		 325
2439 #define SSL_R_INVALID_TRUST				 279
2440 #define SSL_R_KEY_ARG_TOO_LONG				 284
2441 #define SSL_R_KRB5					 285
2442 #define SSL_R_KRB5_C_CC_PRINC				 286
2443 #define SSL_R_KRB5_C_GET_CRED				 287
2444 #define SSL_R_KRB5_C_INIT				 288
2445 #define SSL_R_KRB5_C_MK_REQ				 289
2446 #define SSL_R_KRB5_S_BAD_TICKET				 290
2447 #define SSL_R_KRB5_S_INIT				 291
2448 #define SSL_R_KRB5_S_RD_REQ				 292
2449 #define SSL_R_KRB5_S_TKT_EXPIRED			 293
2450 #define SSL_R_KRB5_S_TKT_NYV				 294
2451 #define SSL_R_KRB5_S_TKT_SKEW				 295
2452 #define SSL_R_LENGTH_MISMATCH				 159
2453 #define SSL_R_LENGTH_TOO_SHORT				 160
2454 #define SSL_R_LIBRARY_BUG				 274
2455 #define SSL_R_LIBRARY_HAS_NO_CIPHERS			 161
2456 #define SSL_R_MESSAGE_TOO_LONG				 296
2457 #define SSL_R_MISSING_DH_DSA_CERT			 162
2458 #define SSL_R_MISSING_DH_KEY				 163
2459 #define SSL_R_MISSING_DH_RSA_CERT			 164
2460 #define SSL_R_MISSING_DSA_SIGNING_CERT			 165
2461 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY			 166
2462 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY		 167
2463 #define SSL_R_MISSING_RSA_CERTIFICATE			 168
2464 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT		 169
2465 #define SSL_R_MISSING_RSA_SIGNING_CERT			 170
2466 #define SSL_R_MISSING_SRP_PARAM				 358
2467 #define SSL_R_MISSING_TMP_DH_KEY			 171
2468 #define SSL_R_MISSING_TMP_ECDH_KEY			 311
2469 #define SSL_R_MISSING_TMP_RSA_KEY			 172
2470 #define SSL_R_MISSING_TMP_RSA_PKEY			 173
2471 #define SSL_R_MISSING_VERIFY_MESSAGE			 174
2472 #define SSL_R_MULTIPLE_SGC_RESTARTS			 346
2473 #define SSL_R_NON_SSLV2_INITIAL_PACKET			 175
2474 #define SSL_R_NO_CERTIFICATES_RETURNED			 176
2475 #define SSL_R_NO_CERTIFICATE_ASSIGNED			 177
2476 #define SSL_R_NO_CERTIFICATE_RETURNED			 178
2477 #define SSL_R_NO_CERTIFICATE_SET			 179
2478 #define SSL_R_NO_CERTIFICATE_SPECIFIED			 180
2479 #define SSL_R_NO_CIPHERS_AVAILABLE			 181
2480 #define SSL_R_NO_CIPHERS_PASSED				 182
2481 #define SSL_R_NO_CIPHERS_SPECIFIED			 183
2482 #define SSL_R_NO_CIPHER_LIST				 184
2483 #define SSL_R_NO_CIPHER_MATCH				 185
2484 #define SSL_R_NO_CLIENT_CERT_METHOD			 331
2485 #define SSL_R_NO_CLIENT_CERT_RECEIVED			 186
2486 #define SSL_R_NO_COMPRESSION_SPECIFIED			 187
2487 #define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER		 330
2488 #define SSL_R_NO_METHOD_SPECIFIED			 188
2489 #define SSL_R_NO_P256_SUPPORT				 373
2490 #define SSL_R_NO_PRIVATEKEY				 189
2491 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED			 190
2492 #define SSL_R_NO_PROTOCOLS_AVAILABLE			 191
2493 #define SSL_R_NO_PUBLICKEY				 192
2494 #define SSL_R_NO_RENEGOTIATION				 339
2495 #define SSL_R_NO_REQUIRED_DIGEST			 324
2496 #define SSL_R_NO_SHARED_CIPHER				 193
2497 #define SSL_R_NO_SRTP_PROFILES				 359
2498 #define SSL_R_NO_VERIFY_CALLBACK			 194
2499 #define SSL_R_NULL_SSL_CTX				 195
2500 #define SSL_R_NULL_SSL_METHOD_PASSED			 196
2501 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED		 197
2502 #define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
2503 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE		 297
2504 #define SSL_R_OPAQUE_PRF_INPUT_TOO_LONG			 327
2505 #define SSL_R_PACKET_LENGTH_TOO_LONG			 198
2506 #define SSL_R_PARSE_TLSEXT				 227
2507 #define SSL_R_PATH_TOO_LONG				 270
2508 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE		 199
2509 #define SSL_R_PEER_ERROR				 200
2510 #define SSL_R_PEER_ERROR_CERTIFICATE			 201
2511 #define SSL_R_PEER_ERROR_NO_CERTIFICATE			 202
2512 #define SSL_R_PEER_ERROR_NO_CIPHER			 203
2513 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE	 204
2514 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG			 205
2515 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS		 206
2516 #define SSL_R_PROTOCOL_IS_SHUTDOWN			 207
2517 #define SSL_R_PSK_IDENTITY_NOT_FOUND			 223
2518 #define SSL_R_PSK_NO_CLIENT_CB				 224
2519 #define SSL_R_PSK_NO_SERVER_CB				 225
2520 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR			 208
2521 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA			 209
2522 #define SSL_R_PUBLIC_KEY_NOT_RSA			 210
2523 #define SSL_R_READ_BIO_NOT_SET				 211
2524 #define SSL_R_READ_TIMEOUT_EXPIRED			 312
2525 #define SSL_R_READ_WRONG_PACKET_TYPE			 212
2526 #define SSL_R_RECORD_LENGTH_MISMATCH			 213
2527 #define SSL_R_RECORD_TOO_LARGE				 214
2528 #define SSL_R_RECORD_TOO_SMALL				 298
2529 #define SSL_R_RENEGOTIATE_EXT_TOO_LONG			 335
2530 #define SSL_R_RENEGOTIATION_ENCODING_ERR		 336
2531 #define SSL_R_RENEGOTIATION_MISMATCH			 337
2532 #define SSL_R_REQUIRED_CIPHER_MISSING			 215
2533 #define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING	 342
2534 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO		 216
2535 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO			 217
2536 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO		 218
2537 #define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING		 345
2538 #define SSL_R_SERVERHELLO_TLSEXT			 275
2539 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED		 277
2540 #define SSL_R_SESSION_MAY_NOT_BE_CREATED		 2000
2541 #define SSL_R_SHORT_READ				 219
2542 #define SSL_R_SIGNATURE_ALGORITHMS_ERROR		 360
2543 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE	 220
2544 #define SSL_R_SRP_A_CALC				 361
2545 #define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES		 362
2546 #define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG	 363
2547 #define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE		 364
2548 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE		 221
2549 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG		 299
2550 #define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT		 321
2551 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME		 319
2552 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE		 320
2553 #define SSL_R_SSL3_SESSION_ID_TOO_LONG			 300
2554 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT			 222
2555 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE		 1042
2556 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC		 1020
2557 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED		 1045
2558 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED		 1044
2559 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN		 1046
2560 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE		 1030
2561 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE		 1040
2562 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER		 1047
2563 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE		 1041
2564 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE		 1010
2565 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE	 1043
2566 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION	 228
2567 #define SSL_R_SSL_HANDSHAKE_FAILURE			 229
2568 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS		 230
2569 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED		 301
2570 #define SSL_R_SSL_SESSION_ID_CONFLICT			 302
2571 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG		 273
2572 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH		 303
2573 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT		 231
2574 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED			 1049
2575 #define SSL_R_TLSV1_ALERT_DECODE_ERROR			 1050
2576 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED		 1021
2577 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR			 1051
2578 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION		 1060
2579 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY		 1071
2580 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR		 1080
2581 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION		 1100
2582 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION		 1070
2583 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW		 1022
2584 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA			 1048
2585 #define SSL_R_TLSV1_ALERT_USER_CANCELLED		 1090
2586 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE		 1114
2587 #define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE	 1113
2588 #define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE		 1111
2589 #define SSL_R_TLSV1_UNRECOGNIZED_NAME			 1112
2590 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION		 1110
2591 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER	 232
2592 #define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT		 365
2593 #define SSL_R_TLS_HEARTBEAT_PENDING			 366
2594 #define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL		 367
2595 #define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST		 157
2596 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
2597 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG	 234
2598 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER		 235
2599 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS			 236
2600 #define SSL_R_UNABLE_TO_DECODE_ECDH_CERTS		 313
2601 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY		 237
2602 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS		 238
2603 #define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS		 314
2604 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS	 239
2605 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD			 240
2606 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES		 241
2607 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES		 242
2608 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES		 243
2609 #define SSL_R_UNEXPECTED_MESSAGE			 244
2610 #define SSL_R_UNEXPECTED_RECORD				 245
2611 #define SSL_R_UNINITIALIZED				 276
2612 #define SSL_R_UNKNOWN_ALERT_TYPE			 246
2613 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE			 247
2614 #define SSL_R_UNKNOWN_CIPHER_RETURNED			 248
2615 #define SSL_R_UNKNOWN_CIPHER_TYPE			 249
2616 #define SSL_R_UNKNOWN_DIGEST				 368
2617 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE			 250
2618 #define SSL_R_UNKNOWN_PKEY_TYPE				 251
2619 #define SSL_R_UNKNOWN_PROTOCOL				 252
2620 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE			 253
2621 #define SSL_R_UNKNOWN_SSL_VERSION			 254
2622 #define SSL_R_UNKNOWN_STATE				 255
2623 #define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED	 338
2624 #define SSL_R_UNSUPPORTED_CIPHER			 256
2625 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM		 257
2626 #define SSL_R_UNSUPPORTED_DIGEST_TYPE			 326
2627 #define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE		 315
2628 #define SSL_R_UNSUPPORTED_PROTOCOL			 258
2629 #define SSL_R_UNSUPPORTED_SSL_VERSION			 259
2630 #define SSL_R_UNSUPPORTED_STATUS_TYPE			 329
2631 #define SSL_R_USE_SRTP_NOT_NEGOTIATED			 369
2632 #define SSL_R_WRITE_BIO_NOT_SET				 260
2633 #define SSL_R_WRONG_CIPHER_RETURNED			 261
2634 #define SSL_R_WRONG_MESSAGE_TYPE			 262
2635 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS			 263
2636 #define SSL_R_WRONG_SIGNATURE_LENGTH			 264
2637 #define SSL_R_WRONG_SIGNATURE_SIZE			 265
2638 #define SSL_R_WRONG_SIGNATURE_TYPE			 370
2639 #define SSL_R_WRONG_SSL_VERSION				 266
2640 #define SSL_R_WRONG_VERSION_NUMBER			 267
2641 #define SSL_R_X509_LIB					 268
2642 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS		 269
2643 
2644 #ifdef  __cplusplus
2645 }
2646 #endif
2647 #endif
2648