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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 #define SSL_TXT_aSRP            "aSRP"
268 
269 #define	SSL_TXT_DSS		"DSS"
270 #define SSL_TXT_DH		"DH"
271 #define SSL_TXT_EDH		"EDH" /* same as "kEDH:-ADH" */
272 #define SSL_TXT_ADH		"ADH"
273 #define SSL_TXT_RSA		"RSA"
274 #define SSL_TXT_ECDH		"ECDH"
275 #define SSL_TXT_EECDH		"EECDH" /* same as "kEECDH:-AECDH" */
276 #define SSL_TXT_AECDH		"AECDH"
277 #define SSL_TXT_ECDSA		"ECDSA"
278 #define SSL_TXT_KRB5      	"KRB5"
279 #define SSL_TXT_PSK             "PSK"
280 #define SSL_TXT_SRP		"SRP"
281 
282 #define SSL_TXT_DES		"DES"
283 #define SSL_TXT_3DES		"3DES"
284 #define SSL_TXT_RC4		"RC4"
285 #define SSL_TXT_RC2		"RC2"
286 #define SSL_TXT_IDEA		"IDEA"
287 #define SSL_TXT_SEED		"SEED"
288 #define SSL_TXT_AES128		"AES128"
289 #define SSL_TXT_AES256		"AES256"
290 #define SSL_TXT_AES		"AES"
291 #define SSL_TXT_AES_GCM		"AESGCM"
292 #define SSL_TXT_CAMELLIA128	"CAMELLIA128"
293 #define SSL_TXT_CAMELLIA256	"CAMELLIA256"
294 #define SSL_TXT_CAMELLIA	"CAMELLIA"
295 
296 #define SSL_TXT_MD5		"MD5"
297 #define SSL_TXT_SHA1		"SHA1"
298 #define SSL_TXT_SHA		"SHA" /* same as "SHA1" */
299 #define SSL_TXT_GOST94		"GOST94"
300 #define SSL_TXT_GOST89MAC		"GOST89MAC"
301 #define SSL_TXT_SHA256		"SHA256"
302 #define SSL_TXT_SHA384		"SHA384"
303 
304 #define SSL_TXT_SSLV2		"SSLv2"
305 #define SSL_TXT_SSLV3		"SSLv3"
306 #define SSL_TXT_TLSV1		"TLSv1"
307 #define SSL_TXT_TLSV1_1		"TLSv1.1"
308 #define SSL_TXT_TLSV1_2		"TLSv1.2"
309 
310 #define SSL_TXT_EXP		"EXP"
311 #define SSL_TXT_EXPORT		"EXPORT"
312 
313 #define SSL_TXT_ALL		"ALL"
314 
315 /*
316  * COMPLEMENTOF* definitions. These identifiers are used to (de-select)
317  * ciphers normally not being used.
318  * Example: "RC4" will activate all ciphers using RC4 including ciphers
319  * without authentication, which would normally disabled by DEFAULT (due
320  * the "!ADH" being part of default). Therefore "RC4:!COMPLEMENTOFDEFAULT"
321  * will make sure that it is also disabled in the specific selection.
322  * COMPLEMENTOF* identifiers are portable between version, as adjustments
323  * to the default cipher setup will also be included here.
324  *
325  * COMPLEMENTOFDEFAULT does not experience the same special treatment that
326  * DEFAULT gets, as only selection is being done and no sorting as needed
327  * for DEFAULT.
328  */
329 #define SSL_TXT_CMPALL		"COMPLEMENTOFALL"
330 #define SSL_TXT_CMPDEF		"COMPLEMENTOFDEFAULT"
331 
332 /* The following cipher list is used by default.
333  * It also is substituted when an application-defined cipher list string
334  * starts with 'DEFAULT'. */
335 #define SSL_DEFAULT_CIPHER_LIST	"ALL:!aNULL:!eNULL:!SSLv2"
336 /* As of OpenSSL 1.0.0, ssl_create_cipher_list() in ssl/ssl_ciph.c always
337  * starts with a reasonable order, and all we have to do for DEFAULT is
338  * throwing out anonymous and unencrypted ciphersuites!
339  * (The latter are not actually enabled by ALL, but "ALL:RSA" would enable
340  * some of them.)
341  */
342 
343 /* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
344 #define SSL_SENT_SHUTDOWN	1
345 #define SSL_RECEIVED_SHUTDOWN	2
346 
347 #ifdef __cplusplus
348 }
349 #endif
350 
351 #ifdef  __cplusplus
352 extern "C" {
353 #endif
354 
355 #if (defined(OPENSSL_NO_RSA) || defined(OPENSSL_NO_MD5)) && !defined(OPENSSL_NO_SSL2)
356 #define OPENSSL_NO_SSL2
357 #endif
358 
359 #define SSL_FILETYPE_ASN1	X509_FILETYPE_ASN1
360 #define SSL_FILETYPE_PEM	X509_FILETYPE_PEM
361 
362 /* This is needed to stop compilers complaining about the
363  * 'struct ssl_st *' function parameters used to prototype callbacks
364  * in SSL_CTX. */
365 typedef struct ssl_st *ssl_crock_st;
366 typedef struct tls_session_ticket_ext_st TLS_SESSION_TICKET_EXT;
367 typedef struct ssl_method_st SSL_METHOD;
368 typedef struct ssl_cipher_st SSL_CIPHER;
369 typedef struct ssl_session_st SSL_SESSION;
370 
371 DECLARE_STACK_OF(SSL_CIPHER)
372 
373 /* SRTP protection profiles for use with the use_srtp extension (RFC 5764)*/
374 typedef struct srtp_protection_profile_st
375        {
376        const char *name;
377        unsigned long id;
378        } SRTP_PROTECTION_PROFILE;
379 
380 DECLARE_STACK_OF(SRTP_PROTECTION_PROFILE)
381 
382 typedef int (*tls_session_ticket_ext_cb_fn)(SSL *s, const unsigned char *data, int len, void *arg);
383 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);
384 
385 
386 #ifndef OPENSSL_NO_SSL_INTERN
387 
388 /* used to hold info on the particular ciphers used */
389 struct ssl_cipher_st
390 	{
391 	int valid;
392 	const char *name;		/* text name */
393 	unsigned long id;		/* id, 4 bytes, first is version */
394 
395 	/* changed in 0.9.9: these four used to be portions of a single value 'algorithms' */
396 	unsigned long algorithm_mkey;	/* key exchange algorithm */
397 	unsigned long algorithm_auth;	/* server authentication */
398 	unsigned long algorithm_enc;	/* symmetric encryption */
399 	unsigned long algorithm_mac;	/* symmetric authentication */
400 	unsigned long algorithm_ssl;	/* (major) protocol version */
401 
402 	unsigned long algo_strength;	/* strength and export flags */
403 	unsigned long algorithm2;	/* Extra flags */
404 	int strength_bits;		/* Number of bits really used */
405 	int alg_bits;			/* Number of bits for algorithm */
406 	};
407 
408 
409 /* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
410 struct ssl_method_st
411 	{
412 	int version;
413 	int (*ssl_new)(SSL *s);
414 	void (*ssl_clear)(SSL *s);
415 	void (*ssl_free)(SSL *s);
416 	int (*ssl_accept)(SSL *s);
417 	int (*ssl_connect)(SSL *s);
418 	int (*ssl_read)(SSL *s,void *buf,int len);
419 	int (*ssl_peek)(SSL *s,void *buf,int len);
420 	int (*ssl_write)(SSL *s,const void *buf,int len);
421 	int (*ssl_shutdown)(SSL *s);
422 	int (*ssl_renegotiate)(SSL *s);
423 	int (*ssl_renegotiate_check)(SSL *s);
424 	long (*ssl_get_message)(SSL *s, int st1, int stn, int mt, long
425 		max, int *ok);
426 	int (*ssl_read_bytes)(SSL *s, int type, unsigned char *buf, int len,
427 		int peek);
428 	int (*ssl_write_bytes)(SSL *s, int type, const void *buf_, int len);
429 	int (*ssl_dispatch_alert)(SSL *s);
430 	long (*ssl_ctrl)(SSL *s,int cmd,long larg,void *parg);
431 	long (*ssl_ctx_ctrl)(SSL_CTX *ctx,int cmd,long larg,void *parg);
432 	const SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
433 	int (*put_cipher_by_char)(const SSL_CIPHER *cipher,unsigned char *ptr);
434 	int (*ssl_pending)(const SSL *s);
435 	int (*num_ciphers)(void);
436 	const SSL_CIPHER *(*get_cipher)(unsigned ncipher);
437 	const struct ssl_method_st *(*get_ssl_method)(int version);
438 	long (*get_timeout)(void);
439 	struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
440 	int (*ssl_version)(void);
441 	long (*ssl_callback_ctrl)(SSL *s, int cb_id, void (*fp)(void));
442 	long (*ssl_ctx_callback_ctrl)(SSL_CTX *s, int cb_id, void (*fp)(void));
443 	};
444 
445 /* Lets make this into an ASN.1 type structure as follows
446  * SSL_SESSION_ID ::= SEQUENCE {
447  *	version 		INTEGER,	-- structure version number
448  *	SSLversion 		INTEGER,	-- SSL version number
449  *	Cipher 			OCTET STRING,	-- the 3 byte cipher ID
450  *	Session_ID 		OCTET STRING,	-- the Session ID
451  *	Master_key 		OCTET STRING,	-- the master key
452  *	KRB5_principal		OCTET STRING	-- optional Kerberos principal
453  *	Key_Arg [ 0 ] IMPLICIT	OCTET STRING,	-- the optional Key argument
454  *	Time [ 1 ] EXPLICIT	INTEGER,	-- optional Start Time
455  *	Timeout [ 2 ] EXPLICIT	INTEGER,	-- optional Timeout ins seconds
456  *	Peer [ 3 ] EXPLICIT	X509,		-- optional Peer Certificate
457  *	Session_ID_context [ 4 ] EXPLICIT OCTET STRING,   -- the Session ID context
458  *	Verify_result [ 5 ] EXPLICIT INTEGER,   -- X509_V_... code for `Peer'
459  *	HostName [ 6 ] EXPLICIT OCTET STRING,   -- optional HostName from servername TLS extension
460  *	PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
461  *	PSK_identity [ 8 ] EXPLICIT OCTET STRING,  -- optional PSK identity
462  *	Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
463  *	Ticket [10]             EXPLICIT OCTET STRING, -- session ticket (clients only)
464  *	Compression_meth [11]   EXPLICIT OCTET STRING, -- optional compression method
465  *	SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
466  *	}
467  * Look in ssl/ssl_asn1.c for more details
468  * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
469  */
470 struct ssl_session_st
471 	{
472 	int ssl_version;	/* what ssl version session info is
473 				 * being kept in here? */
474 
475 	/* only really used in SSLv2 */
476 	unsigned int key_arg_length;
477 	unsigned char key_arg[SSL_MAX_KEY_ARG_LENGTH];
478 	int master_key_length;
479 	unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
480 	/* session_id - valid? */
481 	unsigned int session_id_length;
482 	unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
483 	/* this is used to determine whether the session is being reused in
484 	 * the appropriate context. It is up to the application to set this,
485 	 * via SSL_new */
486 	unsigned int sid_ctx_length;
487 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
488 
489 #ifndef OPENSSL_NO_KRB5
490         unsigned int krb5_client_princ_len;
491         unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH];
492 #endif /* OPENSSL_NO_KRB5 */
493 #ifndef OPENSSL_NO_PSK
494 	char *psk_identity_hint;
495 	char *psk_identity;
496 #endif
497 	/* Used to indicate that session resumption is not allowed.
498 	 * Applications can also set this bit for a new session via
499 	 * not_resumable_session_cb to disable session caching and tickets. */
500 	int not_resumable;
501 
502 	/* The cert is the certificate used to establish this connection */
503 	struct sess_cert_st /* SESS_CERT */ *sess_cert;
504 
505 	/* This is the cert for the other end.
506 	 * On clients, it will be the same as sess_cert->peer_key->x509
507 	 * (the latter is not enough as sess_cert is not retained
508 	 * in the external representation of sessions, see ssl_asn1.c). */
509 	X509 *peer;
510 	/* when app_verify_callback accepts a session where the peer's certificate
511 	 * is not ok, we must remember the error for session reuse: */
512 	long verify_result; /* only for servers */
513 
514 	int references;
515 	long timeout;
516 	long time;
517 
518 	unsigned int compress_meth;	/* Need to lookup the method */
519 
520 	const SSL_CIPHER *cipher;
521 	unsigned long cipher_id;	/* when ASN.1 loaded, this
522 					 * needs to be used to load
523 					 * the 'cipher' structure */
524 
525 	STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */
526 
527 	CRYPTO_EX_DATA ex_data; /* application specific data */
528 
529 	/* These are used to make removal of session-ids more
530 	 * efficient and to implement a maximum cache size. */
531 	struct ssl_session_st *prev,*next;
532 #ifndef OPENSSL_NO_TLSEXT
533 	char *tlsext_hostname;
534 #ifndef OPENSSL_NO_EC
535 	size_t tlsext_ecpointformatlist_length;
536 	unsigned char *tlsext_ecpointformatlist; /* peer's list */
537 	size_t tlsext_ellipticcurvelist_length;
538 	unsigned char *tlsext_ellipticcurvelist; /* peer's list */
539 #endif /* OPENSSL_NO_EC */
540 	/* RFC4507 info */
541 	unsigned char *tlsext_tick;	/* Session ticket */
542 	size_t tlsext_ticklen;		/* Session ticket length */
543 	long tlsext_tick_lifetime_hint;	/* Session lifetime hint in seconds */
544 #endif
545 #ifndef OPENSSL_NO_SRP
546 	char *srp_username;
547 #endif
548 
549 	/* original_handshake_hash contains the handshake hash (either
550 	 * SHA-1+MD5 or SHA-2, depending on TLS version) for the original, full
551 	 * handshake that created a session. This is used by Channel IDs during
552 	 * resumption. */
553 	unsigned char original_handshake_hash[EVP_MAX_MD_SIZE];
554 	unsigned int original_handshake_hash_len;
555 	};
556 
557 #endif
558 
559 #define SSL_OP_MICROSOFT_SESS_ID_BUG			0x00000001L
560 #define SSL_OP_NETSCAPE_CHALLENGE_BUG			0x00000002L
561 /* Allow initial connection to servers that don't support RI */
562 #define SSL_OP_LEGACY_SERVER_CONNECT			0x00000004L
563 #define SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG		0x00000008L
564 #define SSL_OP_TLSEXT_PADDING				0x00000010L
565 #define SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER		0x00000020L
566 #define SSL_OP_SAFARI_ECDHE_ECDSA_BUG			0x00000040L
567 #define SSL_OP_SSLEAY_080_CLIENT_DH_BUG			0x00000080L
568 #define SSL_OP_TLS_D5_BUG				0x00000100L
569 #define SSL_OP_TLS_BLOCK_PADDING_BUG			0x00000200L
570 
571 /* Hasn't done anything since OpenSSL 0.9.7h, retained for compatibility */
572 #define SSL_OP_MSIE_SSLV2_RSA_PADDING			0x0
573 /* Refers to ancient SSLREF and SSLv2, retained for compatibility */
574 #define SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG		0x0
575 
576 /* SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS is vestigial. Previously it disabled the
577  * insertion of empty records in CBC mode, but the empty records were commonly
578  * misinterpreted as EOF by other TLS stacks and so this was disabled by
579  * SSL_OP_ALL.
580  *
581  * This has been replaced by 1/n-1 record splitting, which is enabled by
582  * SSL_MODE_CBC_RECORD_SPLITTING in SSL_set_mode. This involves sending a
583  * one-byte record rather than an empty record and has much better
584  * compatibility. */
585 #define SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS              0x00000800L /* added in 0.9.6e */
586 
587 /* SSL_OP_ALL: various bug workarounds that should be rather harmless.
588  *             This used to be 0x000FFFFFL before 0.9.7. */
589 #define SSL_OP_ALL					0x80000BFFL
590 
591 /* DTLS options */
592 #define SSL_OP_NO_QUERY_MTU                 0x00001000L
593 /* Turn on Cookie Exchange (on relevant for servers) */
594 #define SSL_OP_COOKIE_EXCHANGE              0x00002000L
595 /* Don't use RFC4507 ticket extension */
596 #define SSL_OP_NO_TICKET	            0x00004000L
597 /* Use Cisco's "speshul" version of DTLS_BAD_VER (as client)  */
598 #define SSL_OP_CISCO_ANYCONNECT		    0x00008000L
599 
600 /* As server, disallow session resumption on renegotiation */
601 #define SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION	0x00010000L
602 /* Don't use compression even if supported */
603 #define SSL_OP_NO_COMPRESSION				0x00020000L
604 /* Permit unsafe legacy renegotiation */
605 #define SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION	0x00040000L
606 /* If set, always create a new key when using tmp_ecdh parameters */
607 #define SSL_OP_SINGLE_ECDH_USE				0x00080000L
608 /* If set, always create a new key when using tmp_dh parameters */
609 #define SSL_OP_SINGLE_DH_USE				0x00100000L
610 /* Set to always use the tmp_rsa key when doing RSA operations,
611  * even when this violates protocol specs */
612 #define SSL_OP_EPHEMERAL_RSA				0x00200000L
613 /* Set on servers to choose the cipher according to the server's
614  * preferences */
615 #define SSL_OP_CIPHER_SERVER_PREFERENCE			0x00400000L
616 /* If set, a server will allow a client to issue a SSLv3.0 version number
617  * as latest version supported in the premaster secret, even when TLSv1.0
618  * (version 3.1) was announced in the client hello. Normally this is
619  * forbidden to prevent version rollback attacks. */
620 #define SSL_OP_TLS_ROLLBACK_BUG				0x00800000L
621 
622 #define SSL_OP_NO_SSLv2					0x01000000L
623 #define SSL_OP_NO_SSLv3					0x02000000L
624 #define SSL_OP_NO_TLSv1					0x04000000L
625 #define SSL_OP_NO_TLSv1_2				0x08000000L
626 #define SSL_OP_NO_TLSv1_1				0x10000000L
627 
628 /* These next two were never actually used for anything since SSLeay
629  * zap so we have some more flags.
630  */
631 /* The next flag deliberately changes the ciphertest, this is a check
632  * for the PKCS#1 attack */
633 #define SSL_OP_PKCS1_CHECK_1				0x0
634 #define SSL_OP_PKCS1_CHECK_2				0x0
635 
636 #define SSL_OP_NETSCAPE_CA_DN_BUG			0x20000000L
637 #define SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG		0x40000000L
638 /* Make server add server-hello extension from early version of
639  * cryptopro draft, when GOST ciphersuite is negotiated.
640  * Required for interoperability with CryptoPro CSP 3.x
641  */
642 #define SSL_OP_CRYPTOPRO_TLSEXT_BUG			0x80000000L
643 
644 /* Allow SSL_write(..., n) to return r with 0 < r < n (i.e. report success
645  * when just a single record has been written): */
646 #define SSL_MODE_ENABLE_PARTIAL_WRITE       0x00000001L
647 /* Make it possible to retry SSL_write() with changed buffer location
648  * (buffer contents must stay the same!); this is not the default to avoid
649  * the misconception that non-blocking SSL_write() behaves like
650  * non-blocking write(): */
651 #define SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER 0x00000002L
652 /* Never bother the application with retries if the transport
653  * is blocking: */
654 #define SSL_MODE_AUTO_RETRY 0x00000004L
655 /* Don't attempt to automatically build certificate chain */
656 #define SSL_MODE_NO_AUTO_CHAIN 0x00000008L
657 /* Save RAM by releasing read and write buffers when they're empty. (SSL3 and
658  * TLS only.)  "Released" buffers are put onto a free-list in the context
659  * or just freed (depending on the context's setting for freelist_max_len). */
660 #define SSL_MODE_RELEASE_BUFFERS 0x00000010L
661 
662 /* Send the current time in the Random fields of the ClientHello and
663  * ServerHello records for compatibility with hypothetical implementations
664  * that require it.
665  */
666 #define SSL_MODE_SEND_CLIENTHELLO_TIME 0x00000020L
667 #define SSL_MODE_SEND_SERVERHELLO_TIME 0x00000040L
668 /* Send TLS_FALLBACK_SCSV in the ClientHello.
669  * To be set by applications that reconnect with a downgraded protocol
670  * version; see draft-ietf-tls-downgrade-scsv-00 for details. */
671 #define SSL_MODE_SEND_FALLBACK_SCSV 0x00000080L
672 
673 /* When set, clients may send application data before receipt of CCS
674  * and Finished.  This mode enables full-handshakes to 'complete' in
675  * one RTT. */
676 #define SSL_MODE_HANDSHAKE_CUTTHROUGH 0x00000200L
677 
678 /* When set, TLS 1.0 and SSLv3, multi-byte, CBC records will be split in two:
679  * the first record will contain a single byte and the second will contain the
680  * rest of the bytes. This effectively randomises the IV and prevents BEAST
681  * attacks. */
682 #define SSL_MODE_CBC_RECORD_SPLITTING 0x00000100L
683 
684 /* Note: SSL[_CTX]_set_{options,mode} use |= op on the previous value,
685  * they cannot be used to clear bits. */
686 
687 #define SSL_CTX_set_options(ctx,op) \
688 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
689 #define SSL_CTX_clear_options(ctx,op) \
690 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
691 #define SSL_CTX_get_options(ctx) \
692 	SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,0,NULL)
693 #define SSL_set_options(ssl,op) \
694 	SSL_ctrl((ssl),SSL_CTRL_OPTIONS,(op),NULL)
695 #define SSL_clear_options(ssl,op) \
696 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_OPTIONS,(op),NULL)
697 #define SSL_get_options(ssl) \
698         SSL_ctrl((ssl),SSL_CTRL_OPTIONS,0,NULL)
699 
700 #define SSL_CTX_set_mode(ctx,op) \
701 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
702 #define SSL_CTX_clear_mode(ctx,op) \
703 	SSL_CTX_ctrl((ctx),SSL_CTRL_CLEAR_MODE,(op),NULL)
704 #define SSL_CTX_get_mode(ctx) \
705 	SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,0,NULL)
706 #define SSL_clear_mode(ssl,op) \
707 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_MODE,(op),NULL)
708 #define SSL_set_mode(ssl,op) \
709 	SSL_ctrl((ssl),SSL_CTRL_MODE,(op),NULL)
710 #define SSL_get_mode(ssl) \
711         SSL_ctrl((ssl),SSL_CTRL_MODE,0,NULL)
712 #define SSL_set_mtu(ssl, mtu) \
713         SSL_ctrl((ssl),SSL_CTRL_SET_MTU,(mtu),NULL)
714 
715 #define SSL_get_secure_renegotiation_support(ssl) \
716 	SSL_ctrl((ssl), SSL_CTRL_GET_RI_SUPPORT, 0, NULL)
717 
718 #ifndef OPENSSL_NO_HEARTBEATS
719 #define SSL_heartbeat(ssl) \
720         SSL_ctrl((ssl),SSL_CTRL_TLS_EXT_SEND_HEARTBEAT,0,NULL)
721 #endif
722 
723 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));
724 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));
725 #define SSL_CTX_set_msg_callback_arg(ctx, arg) SSL_CTX_ctrl((ctx), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
726 #define SSL_set_msg_callback_arg(ssl, arg) SSL_ctrl((ssl), SSL_CTRL_SET_MSG_CALLBACK_ARG, 0, (arg))
727 
728 #ifndef OPENSSL_NO_SRP
729 
730 #ifndef OPENSSL_NO_SSL_INTERN
731 
732 typedef struct srp_ctx_st
733 	{
734 	/* param for all the callbacks */
735 	void *SRP_cb_arg;
736 	/* set client Hello login callback */
737 	int (*TLS_ext_srp_username_callback)(SSL *, int *, void *);
738 	/* set SRP N/g param callback for verification */
739 	int (*SRP_verify_param_callback)(SSL *, void *);
740 	/* set SRP client passwd callback */
741 	char *(*SRP_give_srp_client_pwd_callback)(SSL *, void *);
742 
743 	char *login;
744 	BIGNUM *N,*g,*s,*B,*A;
745 	BIGNUM *a,*b,*v;
746 	char *info;
747 	int strength;
748 
749 	unsigned long srp_Mask;
750 	} SRP_CTX;
751 
752 #endif
753 
754 /* see tls_srp.c */
755 int SSL_SRP_CTX_init(SSL *s);
756 int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx);
757 int SSL_SRP_CTX_free(SSL *ctx);
758 int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx);
759 int SSL_srp_server_param_with_username(SSL *s, int *ad);
760 int SRP_generate_server_master_secret(SSL *s,unsigned char *master_key);
761 int SRP_Calc_A_param(SSL *s);
762 int SRP_generate_client_master_secret(SSL *s,unsigned char *master_key);
763 
764 #endif
765 
766 #if defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)
767 #define SSL_MAX_CERT_LIST_DEFAULT 1024*30 /* 30k max cert list :-) */
768 #else
769 #define SSL_MAX_CERT_LIST_DEFAULT 1024*100 /* 100k max cert list :-) */
770 #endif
771 
772 #define SSL_SESSION_CACHE_MAX_SIZE_DEFAULT	(1024*20)
773 
774 /* This callback type is used inside SSL_CTX, SSL, and in the functions that set
775  * them. It is used to override the generation of SSL/TLS session IDs in a
776  * server. Return value should be zero on an error, non-zero to proceed. Also,
777  * callbacks should themselves check if the id they generate is unique otherwise
778  * the SSL handshake will fail with an error - callbacks can do this using the
779  * 'ssl' value they're passed by;
780  *      SSL_has_matching_session_id(ssl, id, *id_len)
781  * The length value passed in is set at the maximum size the session ID can be.
782  * In SSLv2 this is 16 bytes, whereas SSLv3/TLSv1 it is 32 bytes. The callback
783  * can alter this length to be less if desired, but under SSLv2 session IDs are
784  * supposed to be fixed at 16 bytes so the id will be padded after the callback
785  * returns in this case. It is also an error for the callback to set the size to
786  * zero. */
787 typedef int (*GEN_SESSION_CB)(const SSL *ssl, unsigned char *id,
788 				unsigned int *id_len);
789 
790 typedef struct ssl_comp_st SSL_COMP;
791 
792 #ifndef OPENSSL_NO_SSL_INTERN
793 
794 struct ssl_comp_st
795 	{
796 	int id;
797 	const char *name;
798 #ifndef OPENSSL_NO_COMP
799 	COMP_METHOD *method;
800 #else
801 	char *method;
802 #endif
803 	};
804 
805 DECLARE_STACK_OF(SSL_COMP)
806 DECLARE_LHASH_OF(SSL_SESSION);
807 
808 struct ssl_ctx_st
809 	{
810 	const SSL_METHOD *method;
811 
812 	STACK_OF(SSL_CIPHER) *cipher_list;
813 	/* same as above but sorted for lookup */
814 	STACK_OF(SSL_CIPHER) *cipher_list_by_id;
815 
816 	struct x509_store_st /* X509_STORE */ *cert_store;
817 	LHASH_OF(SSL_SESSION) *sessions;
818 	/* Most session-ids that will be cached, default is
819 	 * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. */
820 	unsigned long session_cache_size;
821 	struct ssl_session_st *session_cache_head;
822 	struct ssl_session_st *session_cache_tail;
823 
824 	/* This can have one of 2 values, ored together,
825 	 * SSL_SESS_CACHE_CLIENT,
826 	 * SSL_SESS_CACHE_SERVER,
827 	 * Default is SSL_SESSION_CACHE_SERVER, which means only
828 	 * SSL_accept which cache SSL_SESSIONS. */
829 	int session_cache_mode;
830 
831 	/* If timeout is not 0, it is the default timeout value set
832 	 * when SSL_new() is called.  This has been put in to make
833 	 * life easier to set things up */
834 	long session_timeout;
835 
836 	/* If this callback is not null, it will be called each
837 	 * time a session id is added to the cache.  If this function
838 	 * returns 1, it means that the callback will do a
839 	 * SSL_SESSION_free() when it has finished using it.  Otherwise,
840 	 * on 0, it means the callback has finished with it.
841 	 * If remove_session_cb is not null, it will be called when
842 	 * a session-id is removed from the cache.  After the call,
843 	 * OpenSSL will SSL_SESSION_free() it. */
844 	int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess);
845 	void (*remove_session_cb)(struct ssl_ctx_st *ctx,SSL_SESSION *sess);
846 	SSL_SESSION *(*get_session_cb)(struct ssl_st *ssl,
847 		unsigned char *data,int len,int *copy);
848 
849 	struct
850 		{
851 		int sess_connect;	/* SSL new conn - started */
852 		int sess_connect_renegotiate;/* SSL reneg - requested */
853 		int sess_connect_good;	/* SSL new conne/reneg - finished */
854 		int sess_accept;	/* SSL new accept - started */
855 		int sess_accept_renegotiate;/* SSL reneg - requested */
856 		int sess_accept_good;	/* SSL accept/reneg - finished */
857 		int sess_miss;		/* session lookup misses  */
858 		int sess_timeout;	/* reuse attempt on timeouted session */
859 		int sess_cache_full;	/* session removed due to full cache */
860 		int sess_hit;		/* session reuse actually done */
861 		int sess_cb_hit;	/* session-id that was not
862 					 * in the cache was
863 					 * passed back via the callback.  This
864 					 * indicates that the application is
865 					 * supplying session-id's from other
866 					 * processes - spooky :-) */
867 		} stats;
868 
869 	int references;
870 
871 	/* if defined, these override the X509_verify_cert() calls */
872 	int (*app_verify_callback)(X509_STORE_CTX *, void *);
873 	void *app_verify_arg;
874 	/* before OpenSSL 0.9.7, 'app_verify_arg' was ignored
875 	 * ('app_verify_callback' was called with just one argument) */
876 
877 	/* Default password callback. */
878 	pem_password_cb *default_passwd_callback;
879 
880 	/* Default password callback user data. */
881 	void *default_passwd_callback_userdata;
882 
883 	/* get client cert callback */
884 	int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
885 
886 	/* get channel id callback */
887 	void (*channel_id_cb)(SSL *ssl, EVP_PKEY **pkey);
888 
889     /* cookie generate callback */
890     int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie,
891         unsigned int *cookie_len);
892 
893     /* verify cookie callback */
894     int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie,
895         unsigned int cookie_len);
896 
897 	CRYPTO_EX_DATA ex_data;
898 
899 	const EVP_MD *rsa_md5;/* For SSLv2 - name is 'ssl2-md5' */
900 	const EVP_MD *md5;	/* For SSLv3/TLSv1 'ssl3-md5' */
901 	const EVP_MD *sha1;   /* For SSLv3/TLSv1 'ssl3->sha1' */
902 
903 	STACK_OF(X509) *extra_certs;
904 	STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */
905 
906 
907 	/* Default values used when no per-SSL value is defined follow */
908 
909 	void (*info_callback)(const SSL *ssl,int type,int val); /* used if SSL's info_callback is NULL */
910 
911 	/* what we put in client cert requests */
912 	STACK_OF(X509_NAME) *client_CA;
913 
914 
915 	/* Default values to use in SSL structures follow (these are copied by SSL_new) */
916 
917 	unsigned long options;
918 	unsigned long mode;
919 	long max_cert_list;
920 
921 	struct cert_st /* CERT */ *cert;
922 	int read_ahead;
923 
924 	/* callback that allows applications to peek at protocol messages */
925 	void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
926 	void *msg_callback_arg;
927 
928 	int verify_mode;
929 	unsigned int sid_ctx_length;
930 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
931 	int (*default_verify_callback)(int ok,X509_STORE_CTX *ctx); /* called 'verify_callback' in the SSL */
932 
933 	/* Default generate session ID callback. */
934 	GEN_SESSION_CB generate_session_id;
935 
936 	X509_VERIFY_PARAM *param;
937 
938 #if 0
939 	int purpose;		/* Purpose setting */
940 	int trust;		/* Trust setting */
941 #endif
942 
943 	int quiet_shutdown;
944 
945 	/* Maximum amount of data to send in one fragment.
946 	 * actual record size can be more than this due to
947 	 * padding and MAC overheads.
948 	 */
949 	unsigned int max_send_fragment;
950 
951 #ifndef OPENSSL_NO_ENGINE
952 	/* Engine to pass requests for client certs to
953 	 */
954 	ENGINE *client_cert_engine;
955 #endif
956 
957 #ifndef OPENSSL_NO_TLSEXT
958 	/* TLS extensions servername callback */
959 	int (*tlsext_servername_callback)(SSL*, int *, void *);
960 	void *tlsext_servername_arg;
961 	/* RFC 4507 session ticket keys */
962 	unsigned char tlsext_tick_key_name[16];
963 	unsigned char tlsext_tick_hmac_key[16];
964 	unsigned char tlsext_tick_aes_key[16];
965 	/* Callback to support customisation of ticket key setting */
966 	int (*tlsext_ticket_key_cb)(SSL *ssl,
967 					unsigned char *name, unsigned char *iv,
968 					EVP_CIPHER_CTX *ectx,
969  					HMAC_CTX *hctx, int enc);
970 
971 	/* certificate status request info */
972 	/* Callback for status request */
973 	int (*tlsext_status_cb)(SSL *ssl, void *arg);
974 	void *tlsext_status_arg;
975 
976 	/* draft-rescorla-tls-opaque-prf-input-00.txt information */
977 	int (*tlsext_opaque_prf_input_callback)(SSL *, void *peerinput, size_t len, void *arg);
978 	void *tlsext_opaque_prf_input_callback_arg;
979 #endif
980 
981 #ifndef OPENSSL_NO_PSK
982 	char *psk_identity_hint;
983 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
984 		unsigned int max_identity_len, unsigned char *psk,
985 		unsigned int max_psk_len);
986 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
987 		unsigned char *psk, unsigned int max_psk_len);
988 #endif
989 
990 #ifndef OPENSSL_NO_BUF_FREELISTS
991 #define SSL_MAX_BUF_FREELIST_LEN_DEFAULT 32
992 	unsigned int freelist_max_len;
993 	struct ssl3_buf_freelist_st *wbuf_freelist;
994 	struct ssl3_buf_freelist_st *rbuf_freelist;
995 #endif
996 #ifndef OPENSSL_NO_SRP
997 	SRP_CTX srp_ctx; /* ctx for SRP authentication */
998 #endif
999 
1000 #ifndef OPENSSL_NO_TLSEXT
1001 
1002 # ifndef OPENSSL_NO_NEXTPROTONEG
1003 	/* Next protocol negotiation information */
1004 	/* (for experimental NPN extension). */
1005 
1006 	/* For a server, this contains a callback function by which the set of
1007 	 * advertised protocols can be provided. */
1008 	int (*next_protos_advertised_cb)(SSL *s, const unsigned char **buf,
1009 			                 unsigned int *len, void *arg);
1010 	void *next_protos_advertised_cb_arg;
1011 	/* For a client, this contains a callback function that selects the
1012 	 * next protocol from the list provided by the server. */
1013 	int (*next_proto_select_cb)(SSL *s, unsigned char **out,
1014 				    unsigned char *outlen,
1015 				    const unsigned char *in,
1016 				    unsigned int inlen,
1017 				    void *arg);
1018 	void *next_proto_select_cb_arg;
1019 # endif
1020 
1021 	/* ALPN information
1022 	 * (we are in the process of transitioning from NPN to ALPN.) */
1023 
1024 	/* For a server, this contains a callback function that allows the
1025 	 * server to select the protocol for the connection.
1026 	 *   out: on successful return, this must point to the raw protocol
1027 	 *        name (without the length prefix).
1028 	 *   outlen: on successful return, this contains the length of |*out|.
1029 	 *   in: points to the client's list of supported protocols in
1030 	 *       wire-format.
1031 	 *   inlen: the length of |in|. */
1032 	int (*alpn_select_cb)(SSL *s,
1033 			      const unsigned char **out,
1034 			      unsigned char *outlen,
1035 			      const unsigned char* in,
1036 			      unsigned int inlen,
1037 			      void *arg);
1038 	void *alpn_select_cb_arg;
1039 
1040 	/* For a client, this contains the list of supported protocols in wire
1041 	 * format. */
1042 	unsigned char* alpn_client_proto_list;
1043 	unsigned alpn_client_proto_list_len;
1044 
1045         /* SRTP profiles we are willing to do from RFC 5764 */
1046         STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;
1047 
1048 	/* If true, a client will advertise the Channel ID extension and a
1049 	 * server will echo it. */
1050 	char tlsext_channel_id_enabled;
1051 	/* tlsext_channel_id_enabled_new is a hack to support both old and new
1052 	 * ChannelID signatures. It indicates that a client should advertise the
1053 	 * new ChannelID extension number. */
1054 	char tlsext_channel_id_enabled_new;
1055 	/* The client's Channel ID private key. */
1056 	EVP_PKEY *tlsext_channel_id_private;
1057 #endif
1058 	};
1059 
1060 #endif
1061 
1062 #define SSL_SESS_CACHE_OFF			0x0000
1063 #define SSL_SESS_CACHE_CLIENT			0x0001
1064 #define SSL_SESS_CACHE_SERVER			0x0002
1065 #define SSL_SESS_CACHE_BOTH	(SSL_SESS_CACHE_CLIENT|SSL_SESS_CACHE_SERVER)
1066 #define SSL_SESS_CACHE_NO_AUTO_CLEAR		0x0080
1067 /* enough comments already ... see SSL_CTX_set_session_cache_mode(3) */
1068 #define SSL_SESS_CACHE_NO_INTERNAL_LOOKUP	0x0100
1069 #define SSL_SESS_CACHE_NO_INTERNAL_STORE	0x0200
1070 #define SSL_SESS_CACHE_NO_INTERNAL \
1071 	(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP|SSL_SESS_CACHE_NO_INTERNAL_STORE)
1072 
1073 LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx);
1074 #define SSL_CTX_sess_number(ctx) \
1075 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_NUMBER,0,NULL)
1076 #define SSL_CTX_sess_connect(ctx) \
1077 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT,0,NULL)
1078 #define SSL_CTX_sess_connect_good(ctx) \
1079 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_GOOD,0,NULL)
1080 #define SSL_CTX_sess_connect_renegotiate(ctx) \
1081 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CONNECT_RENEGOTIATE,0,NULL)
1082 #define SSL_CTX_sess_accept(ctx) \
1083 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT,0,NULL)
1084 #define SSL_CTX_sess_accept_renegotiate(ctx) \
1085 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_RENEGOTIATE,0,NULL)
1086 #define SSL_CTX_sess_accept_good(ctx) \
1087 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_ACCEPT_GOOD,0,NULL)
1088 #define SSL_CTX_sess_hits(ctx) \
1089 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_HIT,0,NULL)
1090 #define SSL_CTX_sess_cb_hits(ctx) \
1091 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CB_HIT,0,NULL)
1092 #define SSL_CTX_sess_misses(ctx) \
1093 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_MISSES,0,NULL)
1094 #define SSL_CTX_sess_timeouts(ctx) \
1095 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_TIMEOUTS,0,NULL)
1096 #define SSL_CTX_sess_cache_full(ctx) \
1097 	SSL_CTX_ctrl(ctx,SSL_CTRL_SESS_CACHE_FULL,0,NULL)
1098 /* SSL_CTX_enable_tls_channel_id configures a TLS server to accept TLS client
1099  * IDs from clients. Returns 1 on success. */
1100 #define SSL_CTX_enable_tls_channel_id(ctx) \
1101 	SSL_CTX_ctrl(ctx,SSL_CTRL_CHANNEL_ID,0,NULL)
1102 
1103 void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx, int (*new_session_cb)(struct ssl_st *ssl,SSL_SESSION *sess));
1104 int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx))(struct ssl_st *ssl, SSL_SESSION *sess);
1105 void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx, void (*remove_session_cb)(struct ssl_ctx_st *ctx,SSL_SESSION *sess));
1106 void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx))(struct ssl_ctx_st *ctx, SSL_SESSION *sess);
1107 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));
1108 SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx))(struct ssl_st *ssl, unsigned char *Data, int len, int *copy);
1109 void SSL_CTX_set_info_callback(SSL_CTX *ctx, void (*cb)(const SSL *ssl,int type,int val));
1110 void (*SSL_CTX_get_info_callback(SSL_CTX *ctx))(const SSL *ssl,int type,int val);
1111 void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx, int (*client_cert_cb)(SSL *ssl, X509 **x509, EVP_PKEY **pkey));
1112 int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx))(SSL *ssl, X509 **x509, EVP_PKEY **pkey);
1113 void SSL_CTX_set_channel_id_cb(SSL_CTX *ctx, void (*channel_id_cb)(SSL *ssl, EVP_PKEY **pkey));
1114 void (*SSL_CTX_get_channel_id_cb(SSL_CTX *ctx))(SSL *ssl, EVP_PKEY **pkey);
1115 #ifndef OPENSSL_NO_ENGINE
1116 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e);
1117 #endif
1118 void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx, int (*app_gen_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int *cookie_len));
1119 void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx, int (*app_verify_cookie_cb)(SSL *ssl, unsigned char *cookie, unsigned int cookie_len));
1120 #ifndef OPENSSL_NO_NEXTPROTONEG
1121 void SSL_CTX_set_next_protos_advertised_cb(SSL_CTX *s,
1122 					   int (*cb) (SSL *ssl,
1123 						      const unsigned char **out,
1124 						      unsigned int *outlen,
1125 						      void *arg),
1126 					   void *arg);
1127 void SSL_CTX_set_next_proto_select_cb(SSL_CTX *s,
1128 				      int (*cb) (SSL *ssl,
1129 						 unsigned char **out,
1130 						 unsigned char *outlen,
1131 						 const unsigned char *in,
1132 						 unsigned int inlen,
1133 						 void *arg),
1134 				      void *arg);
1135 
1136 int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
1137 			  const unsigned char *in, unsigned int inlen,
1138 			  const unsigned char *client, unsigned int client_len);
1139 void SSL_get0_next_proto_negotiated(const SSL *s,
1140 				    const unsigned char **data, unsigned *len);
1141 
1142 #define OPENSSL_NPN_UNSUPPORTED	0
1143 #define OPENSSL_NPN_NEGOTIATED	1
1144 #define OPENSSL_NPN_NO_OVERLAP	2
1145 #endif
1146 
1147 int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char* protos,
1148 			    unsigned protos_len);
1149 int SSL_set_alpn_protos(SSL *ssl, const unsigned char* protos,
1150 			unsigned protos_len);
1151 void SSL_CTX_set_alpn_select_cb(SSL_CTX* ctx,
1152 				int (*cb) (SSL *ssl,
1153 					   const unsigned char **out,
1154 					   unsigned char *outlen,
1155 					   const unsigned char *in,
1156 					   unsigned int inlen,
1157 					   void *arg),
1158 				void *arg);
1159 void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
1160 			    unsigned *len);
1161 
1162 #ifndef OPENSSL_NO_PSK
1163 /* the maximum length of the buffer given to callbacks containing the
1164  * resulting identity/psk */
1165 #define PSK_MAX_IDENTITY_LEN 128
1166 #define PSK_MAX_PSK_LEN 256
1167 void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx,
1168 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint,
1169 		char *identity, unsigned int max_identity_len, unsigned char *psk,
1170 		unsigned int max_psk_len));
1171 void SSL_set_psk_client_callback(SSL *ssl,
1172 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint,
1173 		char *identity, unsigned int max_identity_len, unsigned char *psk,
1174 		unsigned int max_psk_len));
1175 void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx,
1176 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1177 		unsigned char *psk, unsigned int max_psk_len));
1178 void SSL_set_psk_server_callback(SSL *ssl,
1179 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1180 		unsigned char *psk, unsigned int max_psk_len));
1181 int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint);
1182 int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint);
1183 const char *SSL_get_psk_identity_hint(const SSL *s);
1184 const char *SSL_get_psk_identity(const SSL *s);
1185 #endif
1186 
1187 #define SSL_NOTHING	1
1188 #define SSL_WRITING	2
1189 #define SSL_READING	3
1190 #define SSL_X509_LOOKUP	4
1191 #define SSL_CHANNEL_ID_LOOKUP	5
1192 
1193 /* These will only be used when doing non-blocking IO */
1194 #define SSL_want_nothing(s)	(SSL_want(s) == SSL_NOTHING)
1195 #define SSL_want_read(s)	(SSL_want(s) == SSL_READING)
1196 #define SSL_want_write(s)	(SSL_want(s) == SSL_WRITING)
1197 #define SSL_want_x509_lookup(s)	(SSL_want(s) == SSL_X509_LOOKUP)
1198 #define SSL_want_channel_id_lookup(s)	(SSL_want(s) == SSL_CHANNEL_ID_LOOKUP)
1199 
1200 #define SSL_MAC_FLAG_READ_MAC_STREAM 1
1201 #define SSL_MAC_FLAG_WRITE_MAC_STREAM 2
1202 
1203 #ifndef OPENSSL_NO_SSL_INTERN
1204 
1205 struct ssl_st
1206 	{
1207 	/* protocol version
1208 	 * (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, DTLS1_VERSION)
1209 	 */
1210 	int version;
1211 	int type; /* SSL_ST_CONNECT or SSL_ST_ACCEPT */
1212 
1213 	const SSL_METHOD *method; /* SSLv3 */
1214 
1215 	/* There are 2 BIO's even though they are normally both the
1216 	 * same.  This is so data can be read and written to different
1217 	 * handlers */
1218 
1219 #ifndef OPENSSL_NO_BIO
1220 	BIO *rbio; /* used by SSL_read */
1221 	BIO *wbio; /* used by SSL_write */
1222 	BIO *bbio; /* used during session-id reuse to concatenate
1223 		    * messages */
1224 #else
1225 	char *rbio; /* used by SSL_read */
1226 	char *wbio; /* used by SSL_write */
1227 	char *bbio;
1228 #endif
1229 	/* This holds a variable that indicates what we were doing
1230 	 * when a 0 or -1 is returned.  This is needed for
1231 	 * non-blocking IO so we know what request needs re-doing when
1232 	 * in SSL_accept or SSL_connect */
1233 	int rwstate;
1234 
1235 	/* true when we are actually in SSL_accept() or SSL_connect() */
1236 	int in_handshake;
1237 	int (*handshake_func)(SSL *);
1238 
1239 	/* Imagine that here's a boolean member "init" that is
1240 	 * switched as soon as SSL_set_{accept/connect}_state
1241 	 * is called for the first time, so that "state" and
1242 	 * "handshake_func" are properly initialized.  But as
1243 	 * handshake_func is == 0 until then, we use this
1244 	 * test instead of an "init" member.
1245 	 */
1246 
1247 	int server;	/* are we the server side? - mostly used by SSL_clear*/
1248 
1249 	int new_session;/* Generate a new session or reuse an old one.
1250 	                 * NB: For servers, the 'new' session may actually be a previously
1251 	                 * cached session or even the previous session unless
1252 	                 * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set */
1253 	int quiet_shutdown;/* don't send shutdown packets */
1254 	int shutdown;	/* we have shut things down, 0x01 sent, 0x02
1255 			 * for received */
1256 	int state;	/* where we are */
1257 	int rstate;	/* where we are when reading */
1258 
1259 	BUF_MEM *init_buf;	/* buffer used during init */
1260 	void *init_msg;   	/* pointer to handshake message body, set by ssl3_get_message() */
1261 	int init_num;		/* amount read/written */
1262 	int init_off;		/* amount read/written */
1263 
1264 	/* used internally to point at a raw packet */
1265 	unsigned char *packet;
1266 	unsigned int packet_length;
1267 
1268 	struct ssl2_state_st *s2; /* SSLv2 variables */
1269 	struct ssl3_state_st *s3; /* SSLv3 variables */
1270 	struct dtls1_state_st *d1; /* DTLSv1 variables */
1271 
1272 	int read_ahead;		/* Read as many input bytes as possible
1273 	               	 	 * (for non-blocking reads) */
1274 
1275 	/* callback that allows applications to peek at protocol messages */
1276 	void (*msg_callback)(int write_p, int version, int content_type, const void *buf, size_t len, SSL *ssl, void *arg);
1277 	void *msg_callback_arg;
1278 
1279 	int hit;		/* reusing a previous session */
1280 
1281 	X509_VERIFY_PARAM *param;
1282 
1283 #if 0
1284 	int purpose;		/* Purpose setting */
1285 	int trust;		/* Trust setting */
1286 #endif
1287 
1288 	/* crypto */
1289 	STACK_OF(SSL_CIPHER) *cipher_list;
1290 	STACK_OF(SSL_CIPHER) *cipher_list_by_id;
1291 
1292 	/* These are the ones being used, the ones in SSL_SESSION are
1293 	 * the ones to be 'copied' into these ones */
1294 	int mac_flags;
1295 	EVP_CIPHER_CTX *enc_read_ctx;		/* cryptographic state */
1296 	EVP_MD_CTX *read_hash;		/* used for mac generation */
1297 #ifndef OPENSSL_NO_COMP
1298 	COMP_CTX *expand;			/* uncompress */
1299 #else
1300 	char *expand;
1301 #endif
1302 
1303 	EVP_CIPHER_CTX *enc_write_ctx;		/* cryptographic state */
1304 	EVP_MD_CTX *write_hash;		/* used for mac generation */
1305 #ifndef OPENSSL_NO_COMP
1306 	COMP_CTX *compress;			/* compression */
1307 #else
1308 	char *compress;
1309 #endif
1310 
1311 	/* session info */
1312 
1313 	/* client cert? */
1314 	/* This is used to hold the server certificate used */
1315 	struct cert_st /* CERT */ *cert;
1316 
1317 	/* the session_id_context is used to ensure sessions are only reused
1318 	 * in the appropriate context */
1319 	unsigned int sid_ctx_length;
1320 	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];
1321 
1322 	/* This can also be in the session once a session is established */
1323 	SSL_SESSION *session;
1324 
1325         /* This can be disabled to prevent the use of uncached sessions */
1326 	int session_creation_enabled;
1327 
1328 	/* Default generate session ID callback. */
1329 	GEN_SESSION_CB generate_session_id;
1330 
1331 	/* Used in SSL2 and SSL3 */
1332 	int verify_mode;	/* 0 don't care about verify failure.
1333 				 * 1 fail if verify fails */
1334 	int (*verify_callback)(int ok,X509_STORE_CTX *ctx); /* fail if callback returns 0 */
1335 
1336 	void (*info_callback)(const SSL *ssl,int type,int val); /* optional informational callback */
1337 
1338 	int error;		/* error bytes to be written */
1339 	int error_code;		/* actual code */
1340 
1341 #ifndef OPENSSL_NO_KRB5
1342 	KSSL_CTX *kssl_ctx;     /* Kerberos 5 context */
1343 #endif	/* OPENSSL_NO_KRB5 */
1344 
1345 #ifndef OPENSSL_NO_PSK
1346 	/* PSK identity hint is stored here only to enable setting a hint on an SSL object before an
1347 	 * SSL_SESSION is associated with it. Once an SSL_SESSION is associated with this SSL object,
1348 	 * the psk_identity_hint from the session takes precedence over this one. */
1349 	char *psk_identity_hint;
1350 	unsigned int (*psk_client_callback)(SSL *ssl, const char *hint, char *identity,
1351 		unsigned int max_identity_len, unsigned char *psk,
1352 		unsigned int max_psk_len);
1353 	unsigned int (*psk_server_callback)(SSL *ssl, const char *identity,
1354 		unsigned char *psk, unsigned int max_psk_len);
1355 #endif
1356 
1357 	SSL_CTX *ctx;
1358 	/* set this flag to 1 and a sleep(1) is put into all SSL_read()
1359 	 * and SSL_write() calls, good for nbio debuging :-) */
1360 	int debug;
1361 
1362 	/* extra application data */
1363 	long verify_result;
1364 	CRYPTO_EX_DATA ex_data;
1365 
1366 	/* for server side, keep the list of CA_dn we can use */
1367 	STACK_OF(X509_NAME) *client_CA;
1368 
1369 	int references;
1370 	unsigned long options; /* protocol behaviour */
1371 	unsigned long mode; /* API behaviour */
1372 	long max_cert_list;
1373 	int first_packet;
1374 	int client_version;	/* what was passed, used for
1375 				 * SSLv3/TLS rollback check */
1376 	unsigned int max_send_fragment;
1377 #ifndef OPENSSL_NO_TLSEXT
1378 	/* TLS extension debug callback */
1379 	void (*tlsext_debug_cb)(SSL *s, int client_server, int type,
1380 					unsigned char *data, int len,
1381 					void *arg);
1382 	void *tlsext_debug_arg;
1383 	char *tlsext_hostname;
1384 	int servername_done;   /* no further mod of servername
1385 	                          0 : call the servername extension callback.
1386 	                          1 : prepare 2, allow last ack just after in server callback.
1387 	                          2 : don't call servername callback, no ack in server hello
1388 	                       */
1389 	/* certificate status request info */
1390 	/* Status type or -1 if no status type */
1391 	int tlsext_status_type;
1392 	/* Expect OCSP CertificateStatus message */
1393 	int tlsext_status_expected;
1394 	/* OCSP status request only */
1395 	STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids;
1396 	X509_EXTENSIONS *tlsext_ocsp_exts;
1397 	/* OCSP response received or to be sent */
1398 	unsigned char *tlsext_ocsp_resp;
1399 	int tlsext_ocsp_resplen;
1400 
1401 	/* RFC4507 session ticket expected to be received or sent */
1402 	int tlsext_ticket_expected;
1403 #ifndef OPENSSL_NO_EC
1404 	size_t tlsext_ecpointformatlist_length;
1405 	unsigned char *tlsext_ecpointformatlist; /* our list */
1406 	size_t tlsext_ellipticcurvelist_length;
1407 	unsigned char *tlsext_ellipticcurvelist; /* our list */
1408 #endif /* OPENSSL_NO_EC */
1409 
1410 	/* draft-rescorla-tls-opaque-prf-input-00.txt information to be used for handshakes */
1411 	void *tlsext_opaque_prf_input;
1412 	size_t tlsext_opaque_prf_input_len;
1413 
1414 	/* TLS Session Ticket extension override */
1415 	TLS_SESSION_TICKET_EXT *tlsext_session_ticket;
1416 
1417 	/* TLS Session Ticket extension callback */
1418 	tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb;
1419 	void *tls_session_ticket_ext_cb_arg;
1420 
1421 	/* TLS pre-shared secret session resumption */
1422 	tls_session_secret_cb_fn tls_session_secret_cb;
1423 	void *tls_session_secret_cb_arg;
1424 
1425 	SSL_CTX * initial_ctx; /* initial ctx, used to store sessions */
1426 
1427 #ifndef OPENSSL_NO_NEXTPROTONEG
1428 	/* Next protocol negotiation. For the client, this is the protocol that
1429 	 * we sent in NextProtocol and is set when handling ServerHello
1430 	 * extensions.
1431 	 *
1432 	 * For a server, this is the client's selected_protocol from
1433 	 * NextProtocol and is set when handling the NextProtocol message,
1434 	 * before the Finished message. */
1435 	unsigned char *next_proto_negotiated;
1436 	unsigned char next_proto_negotiated_len;
1437 #endif
1438 
1439 #define session_ctx initial_ctx
1440 
1441 	STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles;  /* What we'll do */
1442 	SRTP_PROTECTION_PROFILE *srtp_profile;            /* What's been chosen */
1443 
1444 	unsigned int tlsext_heartbeat;  /* Is use of the Heartbeat extension negotiated?
1445 	                                   0: disabled
1446 	                                   1: enabled
1447 	                                   2: enabled, but not allowed to send Requests
1448 	                                 */
1449 	unsigned int tlsext_hb_pending; /* Indicates if a HeartbeatRequest is in flight */
1450 	unsigned int tlsext_hb_seq;     /* HeartbeatRequest sequence number */
1451 
1452 	/* Copied from the SSL_CTX. For a server, means that we'll accept
1453 	 * Channel IDs from clients. For a client, means that we'll advertise
1454 	 * support. */
1455 	char tlsext_channel_id_enabled;
1456 	/* The client's Channel ID private key. */
1457 	EVP_PKEY *tlsext_channel_id_private;
1458 
1459 	/* For a client, this contains the list of supported protocols in wire
1460 	 * format. */
1461 	unsigned char* alpn_client_proto_list;
1462 	unsigned alpn_client_proto_list_len;
1463 #else
1464 #define session_ctx ctx
1465 #endif /* OPENSSL_NO_TLSEXT */
1466 
1467 	int renegotiate;/* 1 if we are renegotiating.
1468 	                 * 2 if we are a server and are inside a handshake
1469 	                 * (i.e. not just sending a HelloRequest) */
1470 
1471 #ifndef OPENSSL_NO_SRP
1472 	SRP_CTX srp_ctx; /* ctx for SRP authentication */
1473 #endif
1474 	};
1475 
1476 #endif
1477 
1478 #ifdef __cplusplus
1479 }
1480 #endif
1481 
1482 #include <openssl/ssl2.h>
1483 #include <openssl/ssl3.h>
1484 #include <openssl/tls1.h> /* This is mostly sslv3 with a few tweaks */
1485 #include <openssl/dtls1.h> /* Datagram TLS */
1486 #include <openssl/ssl23.h>
1487 #include <openssl/srtp.h>  /* Support for the use_srtp extension */
1488 
1489 #ifdef  __cplusplus
1490 extern "C" {
1491 #endif
1492 
1493 /* compatibility */
1494 #define SSL_set_app_data(s,arg)		(SSL_set_ex_data(s,0,(char *)arg))
1495 #define SSL_get_app_data(s)		(SSL_get_ex_data(s,0))
1496 #define SSL_SESSION_set_app_data(s,a)	(SSL_SESSION_set_ex_data(s,0,(char *)a))
1497 #define SSL_SESSION_get_app_data(s)	(SSL_SESSION_get_ex_data(s,0))
1498 #define SSL_CTX_get_app_data(ctx)	(SSL_CTX_get_ex_data(ctx,0))
1499 #define SSL_CTX_set_app_data(ctx,arg)	(SSL_CTX_set_ex_data(ctx,0,(char *)arg))
1500 
1501 /* The following are the possible values for ssl->state are are
1502  * used to indicate where we are up to in the SSL connection establishment.
1503  * The macros that follow are about the only things you should need to use
1504  * and even then, only when using non-blocking IO.
1505  * It can also be useful to work out where you were when the connection
1506  * failed */
1507 
1508 #define SSL_ST_CONNECT			0x1000
1509 #define SSL_ST_ACCEPT			0x2000
1510 #define SSL_ST_MASK			0x0FFF
1511 #define SSL_ST_INIT			(SSL_ST_CONNECT|SSL_ST_ACCEPT)
1512 #define SSL_ST_BEFORE			0x4000
1513 #define SSL_ST_OK			0x03
1514 #define SSL_ST_RENEGOTIATE		(0x04|SSL_ST_INIT)
1515 
1516 #define SSL_CB_LOOP			0x01
1517 #define SSL_CB_EXIT			0x02
1518 #define SSL_CB_READ			0x04
1519 #define SSL_CB_WRITE			0x08
1520 #define SSL_CB_ALERT			0x4000 /* used in callback */
1521 #define SSL_CB_READ_ALERT		(SSL_CB_ALERT|SSL_CB_READ)
1522 #define SSL_CB_WRITE_ALERT		(SSL_CB_ALERT|SSL_CB_WRITE)
1523 #define SSL_CB_ACCEPT_LOOP		(SSL_ST_ACCEPT|SSL_CB_LOOP)
1524 #define SSL_CB_ACCEPT_EXIT		(SSL_ST_ACCEPT|SSL_CB_EXIT)
1525 #define SSL_CB_CONNECT_LOOP		(SSL_ST_CONNECT|SSL_CB_LOOP)
1526 #define SSL_CB_CONNECT_EXIT		(SSL_ST_CONNECT|SSL_CB_EXIT)
1527 #define SSL_CB_HANDSHAKE_START		0x10
1528 #define SSL_CB_HANDSHAKE_DONE		0x20
1529 
1530 /* Is the SSL_connection established? */
1531 #define SSL_get_state(a)		SSL_state(a)
1532 #define SSL_is_init_finished(a)		(SSL_state(a) == SSL_ST_OK)
1533 #define SSL_in_init(a)			((SSL_state(a)&SSL_ST_INIT) && \
1534 					!SSL_cutthrough_complete(a))
1535 #define SSL_in_before(a)		(SSL_state(a)&SSL_ST_BEFORE)
1536 #define SSL_in_connect_init(a)		(SSL_state(a)&SSL_ST_CONNECT)
1537 #define SSL_in_accept_init(a)		(SSL_state(a)&SSL_ST_ACCEPT)
1538 int SSL_cutthrough_complete(const SSL *s);
1539 
1540 /* The following 2 states are kept in ssl->rstate when reads fail,
1541  * you should not need these */
1542 #define SSL_ST_READ_HEADER			0xF0
1543 #define SSL_ST_READ_BODY			0xF1
1544 #define SSL_ST_READ_DONE			0xF2
1545 
1546 /* Obtain latest Finished message
1547  *   -- that we sent (SSL_get_finished)
1548  *   -- that we expected from peer (SSL_get_peer_finished).
1549  * Returns length (0 == no Finished so far), copies up to 'count' bytes. */
1550 size_t SSL_get_finished(const SSL *s, void *buf, size_t count);
1551 size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count);
1552 
1553 /* use either SSL_VERIFY_NONE or SSL_VERIFY_PEER, the last 2 options
1554  * are 'ored' with SSL_VERIFY_PEER if they are desired */
1555 #define SSL_VERIFY_NONE			0x00
1556 #define SSL_VERIFY_PEER			0x01
1557 #define SSL_VERIFY_FAIL_IF_NO_PEER_CERT	0x02
1558 #define SSL_VERIFY_CLIENT_ONCE		0x04
1559 
1560 #define OpenSSL_add_ssl_algorithms()	SSL_library_init()
1561 #define SSLeay_add_ssl_algorithms()	SSL_library_init()
1562 
1563 /* this is for backward compatibility */
1564 #if 0 /* NEW_SSLEAY */
1565 #define SSL_CTX_set_default_verify(a,b,c) SSL_CTX_set_verify(a,b,c)
1566 #define SSL_set_pref_cipher(c,n)	SSL_set_cipher_list(c,n)
1567 #define SSL_add_session(a,b)            SSL_CTX_add_session((a),(b))
1568 #define SSL_remove_session(a,b)		SSL_CTX_remove_session((a),(b))
1569 #define SSL_flush_sessions(a,b)		SSL_CTX_flush_sessions((a),(b))
1570 #endif
1571 /* More backward compatibility */
1572 #define SSL_get_cipher(s) \
1573 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1574 #define SSL_get_cipher_bits(s,np) \
1575 		SSL_CIPHER_get_bits(SSL_get_current_cipher(s),np)
1576 #define SSL_get_cipher_version(s) \
1577 		SSL_CIPHER_get_version(SSL_get_current_cipher(s))
1578 #define SSL_get_cipher_name(s) \
1579 		SSL_CIPHER_get_name(SSL_get_current_cipher(s))
1580 #define SSL_get_time(a)		SSL_SESSION_get_time(a)
1581 #define SSL_set_time(a,b)	SSL_SESSION_set_time((a),(b))
1582 #define SSL_get_timeout(a)	SSL_SESSION_get_timeout(a)
1583 #define SSL_set_timeout(a,b)	SSL_SESSION_set_timeout((a),(b))
1584 
1585 #define d2i_SSL_SESSION_bio(bp,s_id) ASN1_d2i_bio_of(SSL_SESSION,SSL_SESSION_new,d2i_SSL_SESSION,bp,s_id)
1586 #define i2d_SSL_SESSION_bio(bp,s_id) ASN1_i2d_bio_of(SSL_SESSION,i2d_SSL_SESSION,bp,s_id)
1587 
1588 DECLARE_PEM_rw(SSL_SESSION, SSL_SESSION)
1589 
1590 #define SSL_AD_REASON_OFFSET		1000 /* offset to get SSL_R_... value from SSL_AD_... */
1591 
1592 /* These alert types are for SSLv3 and TLSv1 */
1593 #define SSL_AD_CLOSE_NOTIFY		SSL3_AD_CLOSE_NOTIFY
1594 #define SSL_AD_UNEXPECTED_MESSAGE	SSL3_AD_UNEXPECTED_MESSAGE /* fatal */
1595 #define SSL_AD_BAD_RECORD_MAC		SSL3_AD_BAD_RECORD_MAC     /* fatal */
1596 #define SSL_AD_DECRYPTION_FAILED	TLS1_AD_DECRYPTION_FAILED
1597 #define SSL_AD_RECORD_OVERFLOW		TLS1_AD_RECORD_OVERFLOW
1598 #define SSL_AD_DECOMPRESSION_FAILURE	SSL3_AD_DECOMPRESSION_FAILURE/* fatal */
1599 #define SSL_AD_HANDSHAKE_FAILURE	SSL3_AD_HANDSHAKE_FAILURE/* fatal */
1600 #define SSL_AD_NO_CERTIFICATE		SSL3_AD_NO_CERTIFICATE /* Not for TLS */
1601 #define SSL_AD_BAD_CERTIFICATE		SSL3_AD_BAD_CERTIFICATE
1602 #define SSL_AD_UNSUPPORTED_CERTIFICATE	SSL3_AD_UNSUPPORTED_CERTIFICATE
1603 #define SSL_AD_CERTIFICATE_REVOKED	SSL3_AD_CERTIFICATE_REVOKED
1604 #define SSL_AD_CERTIFICATE_EXPIRED	SSL3_AD_CERTIFICATE_EXPIRED
1605 #define SSL_AD_CERTIFICATE_UNKNOWN	SSL3_AD_CERTIFICATE_UNKNOWN
1606 #define SSL_AD_ILLEGAL_PARAMETER	SSL3_AD_ILLEGAL_PARAMETER   /* fatal */
1607 #define SSL_AD_UNKNOWN_CA		TLS1_AD_UNKNOWN_CA	/* fatal */
1608 #define SSL_AD_ACCESS_DENIED		TLS1_AD_ACCESS_DENIED	/* fatal */
1609 #define SSL_AD_DECODE_ERROR		TLS1_AD_DECODE_ERROR	/* fatal */
1610 #define SSL_AD_DECRYPT_ERROR		TLS1_AD_DECRYPT_ERROR
1611 #define SSL_AD_EXPORT_RESTRICTION	TLS1_AD_EXPORT_RESTRICTION/* fatal */
1612 #define SSL_AD_PROTOCOL_VERSION		TLS1_AD_PROTOCOL_VERSION /* fatal */
1613 #define SSL_AD_INSUFFICIENT_SECURITY	TLS1_AD_INSUFFICIENT_SECURITY/* fatal */
1614 #define SSL_AD_INTERNAL_ERROR		TLS1_AD_INTERNAL_ERROR	/* fatal */
1615 #define SSL_AD_USER_CANCELLED		TLS1_AD_USER_CANCELLED
1616 #define SSL_AD_NO_RENEGOTIATION		TLS1_AD_NO_RENEGOTIATION
1617 #define SSL_AD_UNSUPPORTED_EXTENSION	TLS1_AD_UNSUPPORTED_EXTENSION
1618 #define SSL_AD_CERTIFICATE_UNOBTAINABLE TLS1_AD_CERTIFICATE_UNOBTAINABLE
1619 #define SSL_AD_UNRECOGNIZED_NAME	TLS1_AD_UNRECOGNIZED_NAME
1620 #define SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE
1621 #define SSL_AD_BAD_CERTIFICATE_HASH_VALUE TLS1_AD_BAD_CERTIFICATE_HASH_VALUE
1622 #define SSL_AD_UNKNOWN_PSK_IDENTITY     TLS1_AD_UNKNOWN_PSK_IDENTITY /* fatal */
1623 #define SSL_AD_INAPPROPRIATE_FALLBACK	TLS1_AD_INAPPROPRIATE_FALLBACK /* fatal */
1624 
1625 #define SSL_ERROR_NONE			0
1626 #define SSL_ERROR_SSL			1
1627 #define SSL_ERROR_WANT_READ		2
1628 #define SSL_ERROR_WANT_WRITE		3
1629 #define SSL_ERROR_WANT_X509_LOOKUP	4
1630 #define SSL_ERROR_SYSCALL		5 /* look at error stack/return value/errno */
1631 #define SSL_ERROR_ZERO_RETURN		6
1632 #define SSL_ERROR_WANT_CONNECT		7
1633 #define SSL_ERROR_WANT_ACCEPT		8
1634 #define SSL_ERROR_WANT_CHANNEL_ID_LOOKUP	9
1635 
1636 #define SSL_CTRL_NEED_TMP_RSA			1
1637 #define SSL_CTRL_SET_TMP_RSA			2
1638 #define SSL_CTRL_SET_TMP_DH			3
1639 #define SSL_CTRL_SET_TMP_ECDH			4
1640 #define SSL_CTRL_SET_TMP_RSA_CB			5
1641 #define SSL_CTRL_SET_TMP_DH_CB			6
1642 #define SSL_CTRL_SET_TMP_ECDH_CB		7
1643 
1644 #define SSL_CTRL_GET_SESSION_REUSED		8
1645 #define SSL_CTRL_GET_CLIENT_CERT_REQUEST	9
1646 #define SSL_CTRL_GET_NUM_RENEGOTIATIONS		10
1647 #define SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS	11
1648 #define SSL_CTRL_GET_TOTAL_RENEGOTIATIONS	12
1649 #define SSL_CTRL_GET_FLAGS			13
1650 #define SSL_CTRL_EXTRA_CHAIN_CERT		14
1651 
1652 #define SSL_CTRL_SET_MSG_CALLBACK               15
1653 #define SSL_CTRL_SET_MSG_CALLBACK_ARG           16
1654 
1655 /* only applies to datagram connections */
1656 #define SSL_CTRL_SET_MTU                17
1657 /* Stats */
1658 #define SSL_CTRL_SESS_NUMBER			20
1659 #define SSL_CTRL_SESS_CONNECT			21
1660 #define SSL_CTRL_SESS_CONNECT_GOOD		22
1661 #define SSL_CTRL_SESS_CONNECT_RENEGOTIATE	23
1662 #define SSL_CTRL_SESS_ACCEPT			24
1663 #define SSL_CTRL_SESS_ACCEPT_GOOD		25
1664 #define SSL_CTRL_SESS_ACCEPT_RENEGOTIATE	26
1665 #define SSL_CTRL_SESS_HIT			27
1666 #define SSL_CTRL_SESS_CB_HIT			28
1667 #define SSL_CTRL_SESS_MISSES			29
1668 #define SSL_CTRL_SESS_TIMEOUTS			30
1669 #define SSL_CTRL_SESS_CACHE_FULL		31
1670 #define SSL_CTRL_OPTIONS			32
1671 #define SSL_CTRL_MODE				33
1672 
1673 #define SSL_CTRL_GET_READ_AHEAD			40
1674 #define SSL_CTRL_SET_READ_AHEAD			41
1675 #define SSL_CTRL_SET_SESS_CACHE_SIZE		42
1676 #define SSL_CTRL_GET_SESS_CACHE_SIZE		43
1677 #define SSL_CTRL_SET_SESS_CACHE_MODE		44
1678 #define SSL_CTRL_GET_SESS_CACHE_MODE		45
1679 
1680 #define SSL_CTRL_GET_MAX_CERT_LIST		50
1681 #define SSL_CTRL_SET_MAX_CERT_LIST		51
1682 
1683 #define SSL_CTRL_SET_MAX_SEND_FRAGMENT		52
1684 
1685 /* see tls1.h for macros based on these */
1686 #ifndef OPENSSL_NO_TLSEXT
1687 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_CB	53
1688 #define SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG	54
1689 #define SSL_CTRL_SET_TLSEXT_HOSTNAME		55
1690 #define SSL_CTRL_SET_TLSEXT_DEBUG_CB		56
1691 #define SSL_CTRL_SET_TLSEXT_DEBUG_ARG		57
1692 #define SSL_CTRL_GET_TLSEXT_TICKET_KEYS		58
1693 #define SSL_CTRL_SET_TLSEXT_TICKET_KEYS		59
1694 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT	60
1695 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB	61
1696 #define SSL_CTRL_SET_TLSEXT_OPAQUE_PRF_INPUT_CB_ARG 62
1697 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB	63
1698 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG	64
1699 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE	65
1700 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS	66
1701 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS	67
1702 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS	68
1703 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS	69
1704 #define SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP	70
1705 #define SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP	71
1706 
1707 #define SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB	72
1708 
1709 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB	75
1710 #define SSL_CTRL_SET_SRP_VERIFY_PARAM_CB		76
1711 #define SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB		77
1712 
1713 #define SSL_CTRL_SET_SRP_ARG		78
1714 #define SSL_CTRL_SET_TLS_EXT_SRP_USERNAME		79
1715 #define SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH		80
1716 #define SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD		81
1717 #ifndef OPENSSL_NO_HEARTBEATS
1718 #define SSL_CTRL_TLS_EXT_SEND_HEARTBEAT				85
1719 #define SSL_CTRL_GET_TLS_EXT_HEARTBEAT_PENDING		86
1720 #define SSL_CTRL_SET_TLS_EXT_HEARTBEAT_NO_REQUESTS	87
1721 #endif
1722 #define SSL_CTRL_CHANNEL_ID			88
1723 #define SSL_CTRL_GET_CHANNEL_ID			89
1724 #define SSL_CTRL_SET_CHANNEL_ID			90
1725 #endif
1726 
1727 #define DTLS_CTRL_GET_TIMEOUT		73
1728 #define DTLS_CTRL_HANDLE_TIMEOUT	74
1729 #define DTLS_CTRL_LISTEN			75
1730 
1731 #define SSL_CTRL_GET_RI_SUPPORT			76
1732 #define SSL_CTRL_CLEAR_OPTIONS			77
1733 #define SSL_CTRL_CLEAR_MODE			78
1734 
1735 #define SSL_CTRL_GET_EXTRA_CHAIN_CERTS		82
1736 #define SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS	83
1737 
1738 #define SSL_CTRL_CHECK_PROTO_VERSION		119
1739 
1740 #define DTLSv1_get_timeout(ssl, arg) \
1741 	SSL_ctrl(ssl,DTLS_CTRL_GET_TIMEOUT,0, (void *)arg)
1742 #define DTLSv1_handle_timeout(ssl) \
1743 	SSL_ctrl(ssl,DTLS_CTRL_HANDLE_TIMEOUT,0, NULL)
1744 #define DTLSv1_listen(ssl, peer) \
1745 	SSL_ctrl(ssl,DTLS_CTRL_LISTEN,0, (void *)peer)
1746 
1747 #define SSL_session_reused(ssl) \
1748 	SSL_ctrl((ssl),SSL_CTRL_GET_SESSION_REUSED,0,NULL)
1749 #define SSL_num_renegotiations(ssl) \
1750 	SSL_ctrl((ssl),SSL_CTRL_GET_NUM_RENEGOTIATIONS,0,NULL)
1751 #define SSL_clear_num_renegotiations(ssl) \
1752 	SSL_ctrl((ssl),SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS,0,NULL)
1753 #define SSL_total_renegotiations(ssl) \
1754 	SSL_ctrl((ssl),SSL_CTRL_GET_TOTAL_RENEGOTIATIONS,0,NULL)
1755 
1756 #define SSL_CTX_need_tmp_RSA(ctx) \
1757 	SSL_CTX_ctrl(ctx,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1758 #define SSL_CTX_set_tmp_rsa(ctx,rsa) \
1759 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1760 #define SSL_CTX_set_tmp_dh(ctx,dh) \
1761 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1762 #define SSL_CTX_set_tmp_ecdh(ctx,ecdh) \
1763 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1764 
1765 #define SSL_need_tmp_RSA(ssl) \
1766 	SSL_ctrl(ssl,SSL_CTRL_NEED_TMP_RSA,0,NULL)
1767 #define SSL_set_tmp_rsa(ssl,rsa) \
1768 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA,0,(char *)rsa)
1769 #define SSL_set_tmp_dh(ssl,dh) \
1770 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH,0,(char *)dh)
1771 #define SSL_set_tmp_ecdh(ssl,ecdh) \
1772 	SSL_ctrl(ssl,SSL_CTRL_SET_TMP_ECDH,0,(char *)ecdh)
1773 
1774 /* SSL_enable_tls_channel_id either configures a TLS server to accept TLS client
1775  * IDs from clients, or configure a client to send TLS client IDs to server.
1776  * Returns 1 on success. */
1777 #define SSL_enable_tls_channel_id(s) \
1778 	SSL_ctrl(s,SSL_CTRL_CHANNEL_ID,0,NULL)
1779 /* SSL_set1_tls_channel_id configures a TLS client to send a TLS Channel ID to
1780  * compatible servers. private_key must be a P-256 EVP_PKEY*. Returns 1 on
1781  * success. */
1782 #define SSL_set1_tls_channel_id(s, private_key) \
1783 	SSL_ctrl(s,SSL_CTRL_SET_CHANNEL_ID,0,(void*)private_key)
1784 #define SSL_CTX_set1_tls_channel_id(ctx, private_key) \
1785 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_CHANNEL_ID,0,(void*)private_key)
1786 /* SSL_get_tls_channel_id gets the client's TLS Channel ID from a server SSL*
1787  * and copies up to the first |channel_id_len| bytes into |channel_id|. The
1788  * Channel ID consists of the client's P-256 public key as an (x,y) pair where
1789  * each is a 32-byte, big-endian field element. Returns 0 if the client didn't
1790  * offer a Channel ID and the length of the complete Channel ID otherwise. */
1791 #define SSL_get_tls_channel_id(ctx, channel_id, channel_id_len) \
1792 	SSL_ctrl(ctx,SSL_CTRL_GET_CHANNEL_ID,channel_id_len,(void*)channel_id)
1793 
1794 #define SSL_CTX_add_extra_chain_cert(ctx,x509) \
1795 	SSL_CTX_ctrl(ctx,SSL_CTRL_EXTRA_CHAIN_CERT,0,(char *)x509)
1796 #define SSL_CTX_get_extra_chain_certs(ctx,px509) \
1797 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_EXTRA_CHAIN_CERTS,0,px509)
1798 #define SSL_CTX_clear_extra_chain_certs(ctx) \
1799 	SSL_CTX_ctrl(ctx,SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS,0,NULL)
1800 
1801 #ifndef OPENSSL_NO_BIO
1802 BIO_METHOD *BIO_f_ssl(void);
1803 BIO *BIO_new_ssl(SSL_CTX *ctx,int client);
1804 BIO *BIO_new_ssl_connect(SSL_CTX *ctx);
1805 BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx);
1806 int BIO_ssl_copy_session_id(BIO *to,BIO *from);
1807 void BIO_ssl_shutdown(BIO *ssl_bio);
1808 
1809 #endif
1810 
1811 int	SSL_CTX_set_cipher_list(SSL_CTX *,const char *str);
1812 SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth);
1813 void	SSL_CTX_free(SSL_CTX *);
1814 long SSL_CTX_set_timeout(SSL_CTX *ctx,long t);
1815 long SSL_CTX_get_timeout(const SSL_CTX *ctx);
1816 X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *);
1817 void SSL_CTX_set_cert_store(SSL_CTX *,X509_STORE *);
1818 int SSL_want(const SSL *s);
1819 int	SSL_clear(SSL *s);
1820 
1821 void	SSL_CTX_flush_sessions(SSL_CTX *ctx,long tm);
1822 
1823 const SSL_CIPHER *SSL_get_current_cipher(const SSL *s);
1824 int	SSL_CIPHER_get_bits(const SSL_CIPHER *c,int *alg_bits);
1825 char *	SSL_CIPHER_get_version(const SSL_CIPHER *c);
1826 const char *	SSL_CIPHER_get_name(const SSL_CIPHER *c);
1827 unsigned long 	SSL_CIPHER_get_id(const SSL_CIPHER *c);
1828 const char *	SSL_CIPHER_authentication_method(const SSL_CIPHER* cipher);
1829 
1830 int	SSL_get_fd(const SSL *s);
1831 int	SSL_get_rfd(const SSL *s);
1832 int	SSL_get_wfd(const SSL *s);
1833 const char  * SSL_get_cipher_list(const SSL *s,int n);
1834 char *	SSL_get_shared_ciphers(const SSL *s, char *buf, int len);
1835 int	SSL_get_read_ahead(const SSL * s);
1836 int	SSL_pending(const SSL *s);
1837 const char *	SSL_authentication_method(const SSL *c);
1838 #ifndef OPENSSL_NO_SOCK
1839 int	SSL_set_fd(SSL *s, int fd);
1840 int	SSL_set_rfd(SSL *s, int fd);
1841 int	SSL_set_wfd(SSL *s, int fd);
1842 #endif
1843 #ifndef OPENSSL_NO_BIO
1844 void	SSL_set_bio(SSL *s, BIO *rbio,BIO *wbio);
1845 BIO *	SSL_get_rbio(const SSL *s);
1846 BIO *	SSL_get_wbio(const SSL *s);
1847 #endif
1848 int	SSL_set_cipher_list(SSL *s, const char *str);
1849 int	SSL_set_cipher_lists(SSL *s, STACK_OF(SSL_CIPHER) *sk);
1850 void	SSL_set_read_ahead(SSL *s, int yes);
1851 int	SSL_get_verify_mode(const SSL *s);
1852 int	SSL_get_verify_depth(const SSL *s);
1853 int	(*SSL_get_verify_callback(const SSL *s))(int,X509_STORE_CTX *);
1854 void	SSL_set_verify(SSL *s, int mode,
1855 		       int (*callback)(int ok,X509_STORE_CTX *ctx));
1856 void	SSL_set_verify_depth(SSL *s, int depth);
1857 #ifndef OPENSSL_NO_RSA
1858 int	SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
1859 #endif
1860 int	SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
1861 int	SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
1862 int	SSL_use_PrivateKey_ASN1(int pk,SSL *ssl, const unsigned char *d, long len);
1863 int	SSL_use_certificate(SSL *ssl, X509 *x);
1864 int	SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
1865 int	SSL_use_certificate_chain(SSL *ssl, STACK_OF(X509) *cert_chain);
1866 STACK_OF(X509) * SSL_get_certificate_chain(SSL *ssl, X509 *x);
1867 
1868 #ifndef OPENSSL_NO_STDIO
1869 int	SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
1870 int	SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
1871 int	SSL_use_certificate_file(SSL *ssl, const char *file, int type);
1872 int	SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1873 int	SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
1874 int	SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);
1875 int	SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file); /* PEM type */
1876 STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file);
1877 int	SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1878 					    const char *file);
1879 #ifndef OPENSSL_SYS_VMS
1880 #ifndef OPENSSL_SYS_MACINTOSH_CLASSIC /* XXXXX: Better scheme needed! [was: #ifndef MAC_OS_pre_X] */
1881 int	SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stackCAs,
1882 					   const char *dir);
1883 #endif
1884 #endif
1885 
1886 #endif
1887 
1888 void	SSL_load_error_strings(void );
1889 const char *SSL_state_string(const SSL *s);
1890 const char *SSL_rstate_string(const SSL *s);
1891 const char *SSL_state_string_long(const SSL *s);
1892 const char *SSL_rstate_string_long(const SSL *s);
1893 long	SSL_SESSION_get_time(const SSL_SESSION *s);
1894 long	SSL_SESSION_set_time(SSL_SESSION *s, long t);
1895 long	SSL_SESSION_get_timeout(const SSL_SESSION *s);
1896 long	SSL_SESSION_set_timeout(SSL_SESSION *s, long t);
1897 void	SSL_copy_session_id(SSL *to,const SSL *from);
1898 X509 *SSL_SESSION_get0_peer(SSL_SESSION *s);
1899 int SSL_SESSION_set1_id_context(SSL_SESSION *s,const unsigned char *sid_ctx,
1900 			       unsigned int sid_ctx_len);
1901 
1902 SSL_SESSION *SSL_SESSION_new(void);
1903 const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s,
1904 					unsigned int *len);
1905 const char *	SSL_SESSION_get_version(const SSL_SESSION *s);
1906 unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s);
1907 #ifndef OPENSSL_NO_FP_API
1908 int	SSL_SESSION_print_fp(FILE *fp,const SSL_SESSION *ses);
1909 #endif
1910 #ifndef OPENSSL_NO_BIO
1911 int	SSL_SESSION_print(BIO *fp,const SSL_SESSION *ses);
1912 #endif
1913 void	SSL_SESSION_free(SSL_SESSION *ses);
1914 int	i2d_SSL_SESSION(SSL_SESSION *in,unsigned char **pp);
1915 int	SSL_set_session(SSL *to, SSL_SESSION *session);
1916 void	SSL_set_session_creation_enabled(SSL *, int);
1917 int	SSL_CTX_add_session(SSL_CTX *s, SSL_SESSION *c);
1918 int	SSL_CTX_remove_session(SSL_CTX *,SSL_SESSION *c);
1919 int	SSL_CTX_set_generate_session_id(SSL_CTX *, GEN_SESSION_CB);
1920 int	SSL_set_generate_session_id(SSL *, GEN_SESSION_CB);
1921 int	SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
1922 					unsigned int id_len);
1923 SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a,const unsigned char **pp,
1924 			     long length);
1925 
1926 #ifdef HEADER_X509_H
1927 X509 *	SSL_get_peer_certificate(const SSL *s);
1928 #endif
1929 
1930 STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s);
1931 
1932 int SSL_CTX_get_verify_mode(const SSL_CTX *ctx);
1933 int SSL_CTX_get_verify_depth(const SSL_CTX *ctx);
1934 int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx))(int,X509_STORE_CTX *);
1935 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,
1936 			int (*callback)(int, X509_STORE_CTX *));
1937 void SSL_CTX_set_verify_depth(SSL_CTX *ctx,int depth);
1938 void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx, int (*cb)(X509_STORE_CTX *,void *), void *arg);
1939 #ifndef OPENSSL_NO_RSA
1940 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
1941 #endif
1942 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len);
1943 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
1944 int SSL_CTX_use_PrivateKey_ASN1(int pk,SSL_CTX *ctx,
1945 	const unsigned char *d, long len);
1946 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x);
1947 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d);
1948 
1949 void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb);
1950 void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u);
1951 
1952 int SSL_CTX_check_private_key(const SSL_CTX *ctx);
1953 int SSL_check_private_key(const SSL *ctx);
1954 
1955 int	SSL_CTX_set_session_id_context(SSL_CTX *ctx,const unsigned char *sid_ctx,
1956 				       unsigned int sid_ctx_len);
1957 
1958 SSL *	SSL_new(SSL_CTX *ctx);
1959 int	SSL_set_session_id_context(SSL *ssl,const unsigned char *sid_ctx,
1960 				   unsigned int sid_ctx_len);
1961 
1962 int SSL_CTX_set_purpose(SSL_CTX *s, int purpose);
1963 int SSL_set_purpose(SSL *s, int purpose);
1964 int SSL_CTX_set_trust(SSL_CTX *s, int trust);
1965 int SSL_set_trust(SSL *s, int trust);
1966 
1967 int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
1968 int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
1969 
1970 #ifndef OPENSSL_NO_SRP
1971 int SSL_CTX_set_srp_username(SSL_CTX *ctx,char *name);
1972 int SSL_CTX_set_srp_password(SSL_CTX *ctx,char *password);
1973 int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength);
1974 int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
1975 					char *(*cb)(SSL *,void *));
1976 int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
1977 					  int (*cb)(SSL *,void *));
1978 int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
1979 				      int (*cb)(SSL *,int *,void *));
1980 int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg);
1981 
1982 int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
1983 			     BIGNUM *sa, BIGNUM *v, char *info);
1984 int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
1985 				const char *grp);
1986 
1987 BIGNUM *SSL_get_srp_g(SSL *s);
1988 BIGNUM *SSL_get_srp_N(SSL *s);
1989 
1990 char *SSL_get_srp_username(SSL *s);
1991 char *SSL_get_srp_userinfo(SSL *s);
1992 #endif
1993 
1994 void	SSL_free(SSL *ssl);
1995 int 	SSL_accept(SSL *ssl);
1996 int 	SSL_connect(SSL *ssl);
1997 int 	SSL_read(SSL *ssl,void *buf,int num);
1998 int 	SSL_peek(SSL *ssl,void *buf,int num);
1999 int 	SSL_write(SSL *ssl,const void *buf,int num);
2000 long	SSL_ctrl(SSL *ssl,int cmd, long larg, void *parg);
2001 long	SSL_callback_ctrl(SSL *, int, void (*)(void));
2002 long	SSL_CTX_ctrl(SSL_CTX *ctx,int cmd, long larg, void *parg);
2003 long	SSL_CTX_callback_ctrl(SSL_CTX *, int, void (*)(void));
2004 
2005 int	SSL_get_error(const SSL *s,int ret_code);
2006 const char *SSL_get_version(const SSL *s);
2007 
2008 /* This sets the 'default' SSL version that SSL_new() will create */
2009 int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth);
2010 
2011 #ifndef OPENSSL_NO_SSL2
2012 const SSL_METHOD *SSLv2_method(void);		/* SSLv2 */
2013 const SSL_METHOD *SSLv2_server_method(void);	/* SSLv2 */
2014 const SSL_METHOD *SSLv2_client_method(void);	/* SSLv2 */
2015 #endif
2016 
2017 const SSL_METHOD *SSLv3_method(void);		/* SSLv3 */
2018 const SSL_METHOD *SSLv3_server_method(void);	/* SSLv3 */
2019 const SSL_METHOD *SSLv3_client_method(void);	/* SSLv3 */
2020 
2021 const SSL_METHOD *SSLv23_method(void);	/* SSLv3 but can rollback to v2 */
2022 const SSL_METHOD *SSLv23_server_method(void);	/* SSLv3 but can rollback to v2 */
2023 const SSL_METHOD *SSLv23_client_method(void);	/* SSLv3 but can rollback to v2 */
2024 
2025 const SSL_METHOD *TLSv1_method(void);		/* TLSv1.0 */
2026 const SSL_METHOD *TLSv1_server_method(void);	/* TLSv1.0 */
2027 const SSL_METHOD *TLSv1_client_method(void);	/* TLSv1.0 */
2028 
2029 const SSL_METHOD *TLSv1_1_method(void);		/* TLSv1.1 */
2030 const SSL_METHOD *TLSv1_1_server_method(void);	/* TLSv1.1 */
2031 const SSL_METHOD *TLSv1_1_client_method(void);	/* TLSv1.1 */
2032 
2033 const SSL_METHOD *TLSv1_2_method(void);		/* TLSv1.2 */
2034 const SSL_METHOD *TLSv1_2_server_method(void);	/* TLSv1.2 */
2035 const SSL_METHOD *TLSv1_2_client_method(void);	/* TLSv1.2 */
2036 
2037 
2038 const SSL_METHOD *DTLSv1_method(void);		/* DTLSv1.0 */
2039 const SSL_METHOD *DTLSv1_server_method(void);	/* DTLSv1.0 */
2040 const SSL_METHOD *DTLSv1_client_method(void);	/* DTLSv1.0 */
2041 
2042 STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s);
2043 
2044 int SSL_do_handshake(SSL *s);
2045 int SSL_renegotiate(SSL *s);
2046 int SSL_renegotiate_abbreviated(SSL *s);
2047 int SSL_renegotiate_pending(SSL *s);
2048 int SSL_shutdown(SSL *s);
2049 
2050 const SSL_METHOD *SSL_get_ssl_method(SSL *s);
2051 int SSL_set_ssl_method(SSL *s, const SSL_METHOD *method);
2052 const char *SSL_alert_type_string_long(int value);
2053 const char *SSL_alert_type_string(int value);
2054 const char *SSL_alert_desc_string_long(int value);
2055 const char *SSL_alert_desc_string(int value);
2056 
2057 void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list);
2058 void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list);
2059 STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s);
2060 STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *s);
2061 int SSL_add_client_CA(SSL *ssl,X509 *x);
2062 int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x);
2063 
2064 void SSL_set_connect_state(SSL *s);
2065 void SSL_set_accept_state(SSL *s);
2066 
2067 long SSL_get_default_timeout(const SSL *s);
2068 
2069 int SSL_library_init(void );
2070 
2071 char *SSL_CIPHER_description(const SSL_CIPHER *,char *buf,int size);
2072 STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk);
2073 
2074 SSL *SSL_dup(SSL *ssl);
2075 
2076 X509 *SSL_get_certificate(const SSL *ssl);
2077 /* EVP_PKEY */ struct evp_pkey_st *SSL_get_privatekey(SSL *ssl);
2078 
2079 void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx,int mode);
2080 int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);
2081 void SSL_set_quiet_shutdown(SSL *ssl,int mode);
2082 int SSL_get_quiet_shutdown(const SSL *ssl);
2083 void SSL_set_shutdown(SSL *ssl,int mode);
2084 int SSL_get_shutdown(const SSL *ssl);
2085 int SSL_version(const SSL *ssl);
2086 int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx);
2087 int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
2088 	const char *CApath);
2089 #define SSL_get0_session SSL_get_session /* just peek at pointer */
2090 SSL_SESSION *SSL_get_session(const SSL *ssl);
2091 SSL_SESSION *SSL_get1_session(SSL *ssl); /* obtain a reference count */
2092 SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl);
2093 SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX* ctx);
2094 void SSL_set_info_callback(SSL *ssl,
2095 			   void (*cb)(const SSL *ssl,int type,int val));
2096 void (*SSL_get_info_callback(const SSL *ssl))(const SSL *ssl,int type,int val);
2097 int SSL_state(const SSL *ssl);
2098 void SSL_set_state(SSL *ssl, int state);
2099 
2100 void SSL_set_verify_result(SSL *ssl,long v);
2101 long SSL_get_verify_result(const SSL *ssl);
2102 
2103 int SSL_set_ex_data(SSL *ssl,int idx,void *data);
2104 void *SSL_get_ex_data(const SSL *ssl,int idx);
2105 int SSL_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
2106 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
2107 
2108 int SSL_SESSION_set_ex_data(SSL_SESSION *ss,int idx,void *data);
2109 void *SSL_SESSION_get_ex_data(const SSL_SESSION *ss,int idx);
2110 int SSL_SESSION_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
2111 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
2112 
2113 int SSL_CTX_set_ex_data(SSL_CTX *ssl,int idx,void *data);
2114 void *SSL_CTX_get_ex_data(const SSL_CTX *ssl,int idx);
2115 int SSL_CTX_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
2116 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
2117 
2118 int SSL_get_ex_data_X509_STORE_CTX_idx(void );
2119 
2120 #define SSL_CTX_sess_set_cache_size(ctx,t) \
2121 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_SIZE,t,NULL)
2122 #define SSL_CTX_sess_get_cache_size(ctx) \
2123 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_SIZE,0,NULL)
2124 #define SSL_CTX_set_session_cache_mode(ctx,m) \
2125 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_SESS_CACHE_MODE,m,NULL)
2126 #define SSL_CTX_get_session_cache_mode(ctx) \
2127 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_SESS_CACHE_MODE,0,NULL)
2128 
2129 #define SSL_CTX_get_default_read_ahead(ctx) SSL_CTX_get_read_ahead(ctx)
2130 #define SSL_CTX_set_default_read_ahead(ctx,m) SSL_CTX_set_read_ahead(ctx,m)
2131 #define SSL_CTX_get_read_ahead(ctx) \
2132 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_READ_AHEAD,0,NULL)
2133 #define SSL_CTX_set_read_ahead(ctx,m) \
2134 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,m,NULL)
2135 #define SSL_CTX_get_max_cert_list(ctx) \
2136 	SSL_CTX_ctrl(ctx,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2137 #define SSL_CTX_set_max_cert_list(ctx,m) \
2138 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2139 #define SSL_get_max_cert_list(ssl) \
2140 	SSL_ctrl(ssl,SSL_CTRL_GET_MAX_CERT_LIST,0,NULL)
2141 #define SSL_set_max_cert_list(ssl,m) \
2142 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_CERT_LIST,m,NULL)
2143 
2144 #define SSL_CTX_set_max_send_fragment(ctx,m) \
2145 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2146 #define SSL_set_max_send_fragment(ssl,m) \
2147 	SSL_ctrl(ssl,SSL_CTRL_SET_MAX_SEND_FRAGMENT,m,NULL)
2148 
2149      /* NB: the keylength is only applicable when is_export is true */
2150 #ifndef OPENSSL_NO_RSA
2151 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
2152 				  RSA *(*cb)(SSL *ssl,int is_export,
2153 					     int keylength));
2154 
2155 void SSL_set_tmp_rsa_callback(SSL *ssl,
2156 				  RSA *(*cb)(SSL *ssl,int is_export,
2157 					     int keylength));
2158 #endif
2159 #ifndef OPENSSL_NO_DH
2160 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
2161 				 DH *(*dh)(SSL *ssl,int is_export,
2162 					   int keylength));
2163 void SSL_set_tmp_dh_callback(SSL *ssl,
2164 				 DH *(*dh)(SSL *ssl,int is_export,
2165 					   int keylength));
2166 #endif
2167 #ifndef OPENSSL_NO_ECDH
2168 void SSL_CTX_set_tmp_ecdh_callback(SSL_CTX *ctx,
2169 				 EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2170 					   int keylength));
2171 void SSL_set_tmp_ecdh_callback(SSL *ssl,
2172 				 EC_KEY *(*ecdh)(SSL *ssl,int is_export,
2173 					   int keylength));
2174 #endif
2175 
2176 #ifndef OPENSSL_NO_COMP
2177 const COMP_METHOD *SSL_get_current_compression(SSL *s);
2178 const COMP_METHOD *SSL_get_current_expansion(SSL *s);
2179 const char *SSL_COMP_get_name(const COMP_METHOD *comp);
2180 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
2181 int SSL_COMP_add_compression_method(int id,COMP_METHOD *cm);
2182 #else
2183 const void *SSL_get_current_compression(SSL *s);
2184 const void *SSL_get_current_expansion(SSL *s);
2185 const char *SSL_COMP_get_name(const void *comp);
2186 void *SSL_COMP_get_compression_methods(void);
2187 int SSL_COMP_add_compression_method(int id,void *cm);
2188 #endif
2189 
2190 /* TLS extensions functions */
2191 int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len);
2192 
2193 int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
2194 				  void *arg);
2195 
2196 /* Pre-shared secret session resumption functions */
2197 int SSL_set_session_secret_cb(SSL *s, tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
2198 
2199 void SSL_set_debug(SSL *s, int debug);
2200 int SSL_cache_hit(SSL *s);
2201 
2202 #ifndef OPENSSL_NO_UNIT_TEST
2203 const struct openssl_ssl_test_functions *SSL_test_functions(void);
2204 #endif
2205 
2206 /* BEGIN ERROR CODES */
2207 /* The following lines are auto generated by the script mkerr.pl. Any changes
2208  * made after this point may be overwritten when the script is next run.
2209  */
2210 void ERR_load_SSL_strings(void);
2211 
2212 /* Error codes for the SSL functions. */
2213 
2214 /* Function codes. */
2215 #define SSL_F_CLIENT_CERTIFICATE			 100
2216 #define SSL_F_CLIENT_FINISHED				 167
2217 #define SSL_F_CLIENT_HELLO				 101
2218 #define SSL_F_CLIENT_MASTER_KEY				 102
2219 #define SSL_F_D2I_SSL_SESSION				 103
2220 #define SSL_F_DO_DTLS1_WRITE				 245
2221 #define SSL_F_DO_SSL3_WRITE				 104
2222 #define SSL_F_DTLS1_ACCEPT				 246
2223 #define SSL_F_DTLS1_ADD_CERT_TO_BUF			 295
2224 #define SSL_F_DTLS1_BUFFER_RECORD			 247
2225 #define SSL_F_DTLS1_CHECK_TIMEOUT_NUM			 316
2226 #define SSL_F_DTLS1_CLIENT_HELLO			 248
2227 #define SSL_F_DTLS1_CONNECT				 249
2228 #define SSL_F_DTLS1_ENC					 250
2229 #define SSL_F_DTLS1_GET_HELLO_VERIFY			 251
2230 #define SSL_F_DTLS1_GET_MESSAGE				 252
2231 #define SSL_F_DTLS1_GET_MESSAGE_FRAGMENT		 253
2232 #define SSL_F_DTLS1_GET_RECORD				 254
2233 #define SSL_F_DTLS1_HANDLE_TIMEOUT			 297
2234 #define SSL_F_DTLS1_HEARTBEAT				 305
2235 #define SSL_F_DTLS1_OUTPUT_CERT_CHAIN			 255
2236 #define SSL_F_DTLS1_PREPROCESS_FRAGMENT			 288
2237 #define SSL_F_DTLS1_PROCESS_OUT_OF_SEQ_MESSAGE		 256
2238 #define SSL_F_DTLS1_PROCESS_RECORD			 257
2239 #define SSL_F_DTLS1_READ_BYTES				 258
2240 #define SSL_F_DTLS1_READ_FAILED				 259
2241 #define SSL_F_DTLS1_SEND_CERTIFICATE_REQUEST		 260
2242 #define SSL_F_DTLS1_SEND_CLIENT_CERTIFICATE		 261
2243 #define SSL_F_DTLS1_SEND_CLIENT_KEY_EXCHANGE		 262
2244 #define SSL_F_DTLS1_SEND_CLIENT_VERIFY			 263
2245 #define SSL_F_DTLS1_SEND_HELLO_VERIFY_REQUEST		 264
2246 #define SSL_F_DTLS1_SEND_SERVER_CERTIFICATE		 265
2247 #define SSL_F_DTLS1_SEND_SERVER_HELLO			 266
2248 #define SSL_F_DTLS1_SEND_SERVER_KEY_EXCHANGE		 267
2249 #define SSL_F_DTLS1_WRITE_APP_DATA_BYTES		 268
2250 #define SSL_F_GET_CLIENT_FINISHED			 105
2251 #define SSL_F_GET_CLIENT_HELLO				 106
2252 #define SSL_F_GET_CLIENT_MASTER_KEY			 107
2253 #define SSL_F_GET_SERVER_FINISHED			 108
2254 #define SSL_F_GET_SERVER_HELLO				 109
2255 #define SSL_F_GET_SERVER_VERIFY				 110
2256 #define SSL_F_I2D_SSL_SESSION				 111
2257 #define SSL_F_READ_N					 112
2258 #define SSL_F_REQUEST_CERTIFICATE			 113
2259 #define SSL_F_SERVER_FINISH				 239
2260 #define SSL_F_SERVER_HELLO				 114
2261 #define SSL_F_SERVER_VERIFY				 240
2262 #define SSL_F_SSL23_ACCEPT				 115
2263 #define SSL_F_SSL23_CLIENT_HELLO			 116
2264 #define SSL_F_SSL23_CONNECT				 117
2265 #define SSL_F_SSL23_GET_CLIENT_HELLO			 118
2266 #define SSL_F_SSL23_GET_SERVER_HELLO			 119
2267 #define SSL_F_SSL23_PEEK				 237
2268 #define SSL_F_SSL23_READ				 120
2269 #define SSL_F_SSL23_WRITE				 121
2270 #define SSL_F_SSL2_ACCEPT				 122
2271 #define SSL_F_SSL2_CONNECT				 123
2272 #define SSL_F_SSL2_ENC_INIT				 124
2273 #define SSL_F_SSL2_GENERATE_KEY_MATERIAL		 241
2274 #define SSL_F_SSL2_PEEK					 234
2275 #define SSL_F_SSL2_READ					 125
2276 #define SSL_F_SSL2_READ_INTERNAL			 236
2277 #define SSL_F_SSL2_SET_CERTIFICATE			 126
2278 #define SSL_F_SSL2_WRITE				 127
2279 #define SSL_F_SSL3_ACCEPT				 128
2280 #define SSL_F_SSL3_ADD_CERT_TO_BUF			 296
2281 #define SSL_F_SSL3_CALLBACK_CTRL			 233
2282 #define SSL_F_SSL3_CHANGE_CIPHER_STATE			 129
2283 #define SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM		 130
2284 #define SSL_F_SSL3_CHECK_CLIENT_HELLO			 304
2285 #define SSL_F_SSL3_CLIENT_HELLO				 131
2286 #define SSL_F_SSL3_CONNECT				 132
2287 #define SSL_F_SSL3_CTRL					 213
2288 #define SSL_F_SSL3_CTX_CTRL				 133
2289 #define SSL_F_SSL3_DIGEST_CACHED_RECORDS		 293
2290 #define SSL_F_SSL3_DO_CHANGE_CIPHER_SPEC		 292
2291 #define SSL_F_SSL3_ENC					 134
2292 #define SSL_F_SSL3_GENERATE_KEY_BLOCK			 238
2293 #define SSL_F_SSL3_GET_CERTIFICATE_REQUEST		 135
2294 #define SSL_F_SSL3_GET_CERT_STATUS			 289
2295 #define SSL_F_SSL3_GET_CERT_VERIFY			 136
2296 #define SSL_F_SSL3_GET_CHANNEL_ID			 317
2297 #define SSL_F_SSL3_GET_CLIENT_CERTIFICATE		 137
2298 #define SSL_F_SSL3_GET_CLIENT_HELLO			 138
2299 #define SSL_F_SSL3_GET_CLIENT_KEY_EXCHANGE		 139
2300 #define SSL_F_SSL3_GET_FINISHED				 140
2301 #define SSL_F_SSL3_GET_KEY_EXCHANGE			 141
2302 #define SSL_F_SSL3_GET_MESSAGE				 142
2303 #define SSL_F_SSL3_GET_NEW_SESSION_TICKET		 283
2304 #define SSL_F_SSL3_GET_NEXT_PROTO			 306
2305 #define SSL_F_SSL3_GET_RECORD				 143
2306 #define SSL_F_SSL3_GET_SERVER_CERTIFICATE		 144
2307 #define SSL_F_SSL3_GET_SERVER_DONE			 145
2308 #define SSL_F_SSL3_GET_SERVER_HELLO			 146
2309 #define SSL_F_SSL3_HANDSHAKE_MAC			 285
2310 #define SSL_F_SSL3_NEW_SESSION_TICKET			 287
2311 #define SSL_F_SSL3_OUTPUT_CERT_CHAIN			 147
2312 #define SSL_F_SSL3_PEEK					 235
2313 #define SSL_F_SSL3_READ_BYTES				 148
2314 #define SSL_F_SSL3_READ_N				 149
2315 #define SSL_F_SSL3_SEND_CERTIFICATE_REQUEST		 150
2316 #define SSL_F_SSL3_SEND_CHANNEL_ID			 318
2317 #define SSL_F_SSL3_SEND_CLIENT_CERTIFICATE		 151
2318 #define SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE		 152
2319 #define SSL_F_SSL3_SEND_CLIENT_VERIFY			 153
2320 #define SSL_F_SSL3_SEND_SERVER_CERTIFICATE		 154
2321 #define SSL_F_SSL3_SEND_SERVER_HELLO			 242
2322 #define SSL_F_SSL3_SEND_SERVER_KEY_EXCHANGE		 155
2323 #define SSL_F_SSL3_SETUP_KEY_BLOCK			 157
2324 #define SSL_F_SSL3_SETUP_READ_BUFFER			 156
2325 #define SSL_F_SSL3_SETUP_WRITE_BUFFER			 291
2326 #define SSL_F_SSL3_WRITE_BYTES				 158
2327 #define SSL_F_SSL3_WRITE_PENDING			 159
2328 #define SSL_F_SSL_ADD_CLIENTHELLO_RENEGOTIATE_EXT	 298
2329 #define SSL_F_SSL_ADD_CLIENTHELLO_TLSEXT		 277
2330 #define SSL_F_SSL_ADD_CLIENTHELLO_USE_SRTP_EXT		 307
2331 #define SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK	 215
2332 #define SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK	 216
2333 #define SSL_F_SSL_ADD_SERVERHELLO_RENEGOTIATE_EXT	 299
2334 #define SSL_F_SSL_ADD_SERVERHELLO_TLSEXT		 278
2335 #define SSL_F_SSL_ADD_SERVERHELLO_USE_SRTP_EXT		 308
2336 #define SSL_F_SSL_BAD_METHOD				 160
2337 #define SSL_F_SSL_BYTES_TO_CIPHER_LIST			 161
2338 #define SSL_F_SSL_CERT_DUP				 221
2339 #define SSL_F_SSL_CERT_INST				 222
2340 #define SSL_F_SSL_CERT_INSTANTIATE			 214
2341 #define SSL_F_SSL_CERT_NEW				 162
2342 #define SSL_F_SSL_CHECK_PRIVATE_KEY			 163
2343 #define SSL_F_SSL_CHECK_SERVERHELLO_TLSEXT		 280
2344 #define SSL_F_SSL_CHECK_SRVR_ECC_CERT_AND_ALG		 279
2345 #define SSL_F_SSL_CIPHER_PROCESS_RULESTR		 230
2346 #define SSL_F_SSL_CIPHER_STRENGTH_SORT			 231
2347 #define SSL_F_SSL_CLEAR					 164
2348 #define SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD		 165
2349 #define SSL_F_SSL_CREATE_CIPHER_LIST			 166
2350 #define SSL_F_SSL_CTRL					 232
2351 #define SSL_F_SSL_CTX_CHECK_PRIVATE_KEY			 168
2352 #define SSL_F_SSL_CTX_MAKE_PROFILES			 309
2353 #define SSL_F_SSL_CTX_NEW				 169
2354 #define SSL_F_SSL_CTX_SET_CIPHER_LIST			 269
2355 #define SSL_F_SSL_CTX_SET_CLIENT_CERT_ENGINE		 290
2356 #define SSL_F_SSL_CTX_SET_PURPOSE			 226
2357 #define SSL_F_SSL_CTX_SET_SESSION_ID_CONTEXT		 219
2358 #define SSL_F_SSL_CTX_SET_SSL_VERSION			 170
2359 #define SSL_F_SSL_CTX_SET_TRUST				 229
2360 #define SSL_F_SSL_CTX_USE_CERTIFICATE			 171
2361 #define SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1		 172
2362 #define SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE	 220
2363 #define SSL_F_SSL_CTX_USE_CERTIFICATE_FILE		 173
2364 #define SSL_F_SSL_CTX_USE_PRIVATEKEY			 174
2365 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1		 175
2366 #define SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE		 176
2367 #define SSL_F_SSL_CTX_USE_PSK_IDENTITY_HINT		 272
2368 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY			 177
2369 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1		 178
2370 #define SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE		 179
2371 #define SSL_F_SSL_DO_HANDSHAKE				 180
2372 #define SSL_F_SSL_GET_NEW_SESSION			 181
2373 #define SSL_F_SSL_GET_PREV_SESSION			 217
2374 #define SSL_F_SSL_GET_SERVER_SEND_CERT			 182
2375 #define SSL_F_SSL_GET_SERVER_SEND_PKEY			 317
2376 #define SSL_F_SSL_GET_SIGN_PKEY				 183
2377 #define SSL_F_SSL_INIT_WBIO_BUFFER			 184
2378 #define SSL_F_SSL_LOAD_CLIENT_CA_FILE			 185
2379 #define SSL_F_SSL_NEW					 186
2380 #define SSL_F_SSL_PARSE_CLIENTHELLO_RENEGOTIATE_EXT	 300
2381 #define SSL_F_SSL_PARSE_CLIENTHELLO_TLSEXT		 302
2382 #define SSL_F_SSL_PARSE_CLIENTHELLO_USE_SRTP_EXT	 310
2383 #define SSL_F_SSL_PARSE_SERVERHELLO_RENEGOTIATE_EXT	 301
2384 #define SSL_F_SSL_PARSE_SERVERHELLO_TLSEXT		 303
2385 #define SSL_F_SSL_PARSE_SERVERHELLO_USE_SRTP_EXT	 311
2386 #define SSL_F_SSL_PEEK					 270
2387 #define SSL_F_SSL_PREPARE_CLIENTHELLO_TLSEXT		 281
2388 #define SSL_F_SSL_PREPARE_SERVERHELLO_TLSEXT		 282
2389 #define SSL_F_SSL_READ					 223
2390 #define SSL_F_SSL_RSA_PRIVATE_DECRYPT			 187
2391 #define SSL_F_SSL_RSA_PUBLIC_ENCRYPT			 188
2392 #define SSL_F_SSL_SESSION_NEW				 189
2393 #define SSL_F_SSL_SESSION_PRINT_FP			 190
2394 #define SSL_F_SSL_SESSION_SET1_ID_CONTEXT		 312
2395 #define SSL_F_SSL_SESS_CERT_NEW				 225
2396 #define SSL_F_SSL_SET_CERT				 191
2397 #define SSL_F_SSL_SET_CIPHER_LIST			 271
2398 #define SSL_F_SSL_SET_FD				 192
2399 #define SSL_F_SSL_SET_PKEY				 193
2400 #define SSL_F_SSL_SET_PURPOSE				 227
2401 #define SSL_F_SSL_SET_RFD				 194
2402 #define SSL_F_SSL_SET_SESSION				 195
2403 #define SSL_F_SSL_SET_SESSION_ID_CONTEXT		 218
2404 #define SSL_F_SSL_SET_SESSION_TICKET_EXT		 294
2405 #define SSL_F_SSL_SET_TRUST				 228
2406 #define SSL_F_SSL_SET_WFD				 196
2407 #define SSL_F_SSL_SHUTDOWN				 224
2408 #define SSL_F_SSL_SRP_CTX_INIT				 313
2409 #define SSL_F_SSL_UNDEFINED_CONST_FUNCTION		 243
2410 #define SSL_F_SSL_UNDEFINED_FUNCTION			 197
2411 #define SSL_F_SSL_UNDEFINED_VOID_FUNCTION		 244
2412 #define SSL_F_SSL_USE_CERTIFICATE			 198
2413 #define SSL_F_SSL_USE_CERTIFICATE_ASN1			 199
2414 #define SSL_F_SSL_USE_CERTIFICATE_CHAIN			 2000
2415 #define SSL_F_SSL_USE_CERTIFICATE_FILE			 200
2416 #define SSL_F_SSL_USE_PRIVATEKEY			 201
2417 #define SSL_F_SSL_USE_PRIVATEKEY_ASN1			 202
2418 #define SSL_F_SSL_USE_PRIVATEKEY_FILE			 203
2419 #define SSL_F_SSL_USE_PSK_IDENTITY_HINT			 273
2420 #define SSL_F_SSL_USE_RSAPRIVATEKEY			 204
2421 #define SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1		 205
2422 #define SSL_F_SSL_USE_RSAPRIVATEKEY_FILE		 206
2423 #define SSL_F_SSL_VERIFY_CERT_CHAIN			 207
2424 #define SSL_F_SSL_WRITE					 208
2425 #define SSL_F_TLS1_CERT_VERIFY_MAC			 286
2426 #define SSL_F_TLS1_CHANGE_CIPHER_STATE			 209
2427 #define SSL_F_TLS1_CHECK_SERVERHELLO_TLSEXT		 274
2428 #define SSL_F_TLS1_ENC					 210
2429 #define SSL_F_TLS1_EXPORT_KEYING_MATERIAL		 314
2430 #define SSL_F_TLS1_HEARTBEAT				 315
2431 #define SSL_F_TLS1_PREPARE_CLIENTHELLO_TLSEXT		 275
2432 #define SSL_F_TLS1_PREPARE_SERVERHELLO_TLSEXT		 276
2433 #define SSL_F_TLS1_PRF					 284
2434 #define SSL_F_TLS1_SETUP_KEY_BLOCK			 211
2435 #define SSL_F_WRITE_PENDING				 212
2436 
2437 /* Reason codes. */
2438 #define SSL_R_APP_DATA_IN_HANDSHAKE			 100
2439 #define SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT 272
2440 #define SSL_R_BAD_ALERT_RECORD				 101
2441 #define SSL_R_BAD_AUTHENTICATION_TYPE			 102
2442 #define SSL_R_BAD_CHANGE_CIPHER_SPEC			 103
2443 #define SSL_R_BAD_CHECKSUM				 104
2444 #define SSL_R_BAD_DATA_RETURNED_BY_CALLBACK		 106
2445 #define SSL_R_BAD_DECOMPRESSION				 107
2446 #define SSL_R_BAD_DH_G_LENGTH				 108
2447 #define SSL_R_BAD_DH_PUB_KEY_LENGTH			 109
2448 #define SSL_R_BAD_DH_P_LENGTH				 110
2449 #define SSL_R_BAD_DIGEST_LENGTH				 111
2450 #define SSL_R_BAD_DSA_SIGNATURE				 112
2451 #define SSL_R_BAD_ECC_CERT				 304
2452 #define SSL_R_BAD_ECDSA_SIGNATURE			 305
2453 #define SSL_R_BAD_ECPOINT				 306
2454 #define SSL_R_BAD_HANDSHAKE_LENGTH			 332
2455 #define SSL_R_BAD_HELLO_REQUEST				 105
2456 #define SSL_R_BAD_LENGTH				 271
2457 #define SSL_R_BAD_MAC_DECODE				 113
2458 #define SSL_R_BAD_MAC_LENGTH				 333
2459 #define SSL_R_BAD_MESSAGE_TYPE				 114
2460 #define SSL_R_BAD_PACKET_LENGTH				 115
2461 #define SSL_R_BAD_PROTOCOL_VERSION_NUMBER		 116
2462 #define SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH		 316
2463 #define SSL_R_BAD_RESPONSE_ARGUMENT			 117
2464 #define SSL_R_BAD_RSA_DECRYPT				 118
2465 #define SSL_R_BAD_RSA_ENCRYPT				 119
2466 #define SSL_R_BAD_RSA_E_LENGTH				 120
2467 #define SSL_R_BAD_RSA_MODULUS_LENGTH			 121
2468 #define SSL_R_BAD_RSA_SIGNATURE				 122
2469 #define SSL_R_BAD_SIGNATURE				 123
2470 #define SSL_R_BAD_SRP_A_LENGTH				 347
2471 #define SSL_R_BAD_SRP_B_LENGTH				 348
2472 #define SSL_R_BAD_SRP_G_LENGTH				 349
2473 #define SSL_R_BAD_SRP_N_LENGTH				 350
2474 #define SSL_R_BAD_SRP_PARAMETERS			 371
2475 #define SSL_R_BAD_SRP_S_LENGTH				 351
2476 #define SSL_R_BAD_SRTP_MKI_VALUE			 352
2477 #define SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST		 353
2478 #define SSL_R_BAD_SSL_FILETYPE				 124
2479 #define SSL_R_BAD_SSL_SESSION_ID_LENGTH			 125
2480 #define SSL_R_BAD_STATE					 126
2481 #define SSL_R_BAD_WRITE_RETRY				 127
2482 #define SSL_R_BIO_NOT_SET				 128
2483 #define SSL_R_BLOCK_CIPHER_PAD_IS_WRONG			 129
2484 #define SSL_R_BN_LIB					 130
2485 #define SSL_R_CANNOT_SERIALIZE_PUBLIC_KEY		 376
2486 #define SSL_R_CA_DN_LENGTH_MISMATCH			 131
2487 #define SSL_R_CA_DN_TOO_LONG				 132
2488 #define SSL_R_CCS_RECEIVED_EARLY			 133
2489 #define SSL_R_CERTIFICATE_VERIFY_FAILED			 134
2490 #define SSL_R_CERT_LENGTH_MISMATCH			 135
2491 #define SSL_R_CHALLENGE_IS_DIFFERENT			 136
2492 #define SSL_R_CHANNEL_ID_NOT_P256			 375
2493 #define SSL_R_CHANNEL_ID_SIGNATURE_INVALID		 371
2494 #define SSL_R_CIPHER_CODE_WRONG_LENGTH			 137
2495 #define SSL_R_CIPHER_OR_HASH_UNAVAILABLE		 138
2496 #define SSL_R_CIPHER_TABLE_SRC_ERROR			 139
2497 #define SSL_R_CLIENTHELLO_TLSEXT			 226
2498 #define SSL_R_COMPRESSED_LENGTH_TOO_LONG		 140
2499 #define SSL_R_COMPRESSION_DISABLED			 343
2500 #define SSL_R_COMPRESSION_FAILURE			 141
2501 #define SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE	 307
2502 #define SSL_R_COMPRESSION_LIBRARY_ERROR			 142
2503 #define SSL_R_CONNECTION_ID_IS_DIFFERENT		 143
2504 #define SSL_R_CONNECTION_TYPE_NOT_SET			 144
2505 #define SSL_R_COOKIE_MISMATCH				 308
2506 #define SSL_R_D2I_ECDSA_SIG				 379
2507 #define SSL_R_DATA_BETWEEN_CCS_AND_FINISHED		 145
2508 #define SSL_R_DATA_LENGTH_TOO_LONG			 146
2509 #define SSL_R_DECRYPTION_FAILED				 147
2510 #define SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC	 281
2511 #define SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG		 148
2512 #define SSL_R_DIGEST_CHECK_FAILED			 149
2513 #define SSL_R_DTLS_MESSAGE_TOO_BIG			 334
2514 #define SSL_R_DUPLICATE_COMPRESSION_ID			 309
2515 #define SSL_R_ECC_CERT_NOT_FOR_KEY_AGREEMENT		 317
2516 #define SSL_R_ECC_CERT_NOT_FOR_SIGNING			 318
2517 #define SSL_R_ECC_CERT_SHOULD_HAVE_RSA_SIGNATURE	 322
2518 #define SSL_R_ECC_CERT_SHOULD_HAVE_SHA1_SIGNATURE	 323
2519 #define SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER		 310
2520 #define SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST	 354
2521 #define SSL_R_ENCRYPTED_LENGTH_TOO_LONG			 150
2522 #define SSL_R_ERROR_GENERATING_TMP_RSA_KEY		 282
2523 #define SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST		 151
2524 #define SSL_R_EVP_DIGESTSIGNFINAL_FAILED		 377
2525 #define SSL_R_EVP_DIGESTSIGNINIT_FAILED			 378
2526 #define SSL_R_EXCESSIVE_MESSAGE_SIZE			 152
2527 #define SSL_R_EXTRA_DATA_IN_MESSAGE			 153
2528 #define SSL_R_GOT_A_FIN_BEFORE_A_CCS			 154
2529 #define SSL_R_GOT_CHANNEL_ID_BEFORE_A_CCS		 372
2530 #define SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS		 355
2531 #define SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION		 356
2532 #define SSL_R_HTTPS_PROXY_REQUEST			 155
2533 #define SSL_R_HTTP_REQUEST				 156
2534 #define SSL_R_ILLEGAL_PADDING				 283
2535 #define SSL_R_INAPPROPRIATE_FALLBACK			 373
2536 #define SSL_R_INCONSISTENT_COMPRESSION			 340
2537 #define SSL_R_INVALID_CHALLENGE_LENGTH			 158
2538 #define SSL_R_INVALID_COMMAND				 280
2539 #define SSL_R_INVALID_COMPRESSION_ALGORITHM		 341
2540 #define SSL_R_INVALID_MESSAGE				 374
2541 #define SSL_R_INVALID_PURPOSE				 278
2542 #define SSL_R_INVALID_SRP_USERNAME			 357
2543 #define SSL_R_INVALID_STATUS_RESPONSE			 328
2544 #define SSL_R_INVALID_TICKET_KEYS_LENGTH		 325
2545 #define SSL_R_INVALID_TRUST				 279
2546 #define SSL_R_KEY_ARG_TOO_LONG				 284
2547 #define SSL_R_KRB5					 285
2548 #define SSL_R_KRB5_C_CC_PRINC				 286
2549 #define SSL_R_KRB5_C_GET_CRED				 287
2550 #define SSL_R_KRB5_C_INIT				 288
2551 #define SSL_R_KRB5_C_MK_REQ				 289
2552 #define SSL_R_KRB5_S_BAD_TICKET				 290
2553 #define SSL_R_KRB5_S_INIT				 291
2554 #define SSL_R_KRB5_S_RD_REQ				 292
2555 #define SSL_R_KRB5_S_TKT_EXPIRED			 293
2556 #define SSL_R_KRB5_S_TKT_NYV				 294
2557 #define SSL_R_KRB5_S_TKT_SKEW				 295
2558 #define SSL_R_LENGTH_MISMATCH				 159
2559 #define SSL_R_LENGTH_TOO_SHORT				 160
2560 #define SSL_R_LIBRARY_BUG				 274
2561 #define SSL_R_LIBRARY_HAS_NO_CIPHERS			 161
2562 #define SSL_R_MESSAGE_TOO_LONG				 296
2563 #define SSL_R_MISSING_DH_DSA_CERT			 162
2564 #define SSL_R_MISSING_DH_KEY				 163
2565 #define SSL_R_MISSING_DH_RSA_CERT			 164
2566 #define SSL_R_MISSING_DSA_SIGNING_CERT			 165
2567 #define SSL_R_MISSING_EXPORT_TMP_DH_KEY			 166
2568 #define SSL_R_MISSING_EXPORT_TMP_RSA_KEY		 167
2569 #define SSL_R_MISSING_RSA_CERTIFICATE			 168
2570 #define SSL_R_MISSING_RSA_ENCRYPTING_CERT		 169
2571 #define SSL_R_MISSING_RSA_SIGNING_CERT			 170
2572 #define SSL_R_MISSING_SRP_PARAM				 358
2573 #define SSL_R_MISSING_TMP_DH_KEY			 171
2574 #define SSL_R_MISSING_TMP_ECDH_KEY			 311
2575 #define SSL_R_MISSING_TMP_RSA_KEY			 172
2576 #define SSL_R_MISSING_TMP_RSA_PKEY			 173
2577 #define SSL_R_MISSING_VERIFY_MESSAGE			 174
2578 #define SSL_R_MULTIPLE_SGC_RESTARTS			 346
2579 #define SSL_R_NON_SSLV2_INITIAL_PACKET			 175
2580 #define SSL_R_NO_CERTIFICATES_RETURNED			 176
2581 #define SSL_R_NO_CERTIFICATE_ASSIGNED			 177
2582 #define SSL_R_NO_CERTIFICATE_RETURNED			 178
2583 #define SSL_R_NO_CERTIFICATE_SET			 179
2584 #define SSL_R_NO_CERTIFICATE_SPECIFIED			 180
2585 #define SSL_R_NO_CIPHERS_AVAILABLE			 181
2586 #define SSL_R_NO_CIPHERS_PASSED				 182
2587 #define SSL_R_NO_CIPHERS_SPECIFIED			 183
2588 #define SSL_R_NO_CIPHER_LIST				 184
2589 #define SSL_R_NO_CIPHER_MATCH				 185
2590 #define SSL_R_NO_CLIENT_CERT_METHOD			 331
2591 #define SSL_R_NO_CLIENT_CERT_RECEIVED			 186
2592 #define SSL_R_NO_COMPRESSION_SPECIFIED			 187
2593 #define SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER		 330
2594 #define SSL_R_NO_METHOD_SPECIFIED			 188
2595 #define SSL_R_NO_P256_SUPPORT				 380
2596 #define SSL_R_NO_PRIVATEKEY				 189
2597 #define SSL_R_NO_PRIVATE_KEY_ASSIGNED			 190
2598 #define SSL_R_NO_PROTOCOLS_AVAILABLE			 191
2599 #define SSL_R_NO_PUBLICKEY				 192
2600 #define SSL_R_NO_RENEGOTIATION				 339
2601 #define SSL_R_NO_REQUIRED_DIGEST			 324
2602 #define SSL_R_NO_SHARED_CIPHER				 193
2603 #define SSL_R_NO_SRTP_PROFILES				 359
2604 #define SSL_R_NO_VERIFY_CALLBACK			 194
2605 #define SSL_R_NULL_SSL_CTX				 195
2606 #define SSL_R_NULL_SSL_METHOD_PASSED			 196
2607 #define SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED		 197
2608 #define SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED 344
2609 #define SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE		 297
2610 #define SSL_R_OPAQUE_PRF_INPUT_TOO_LONG			 327
2611 #define SSL_R_PACKET_LENGTH_TOO_LONG			 198
2612 #define SSL_R_PARSE_TLSEXT				 227
2613 #define SSL_R_PATH_TOO_LONG				 270
2614 #define SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE		 199
2615 #define SSL_R_PEER_ERROR				 200
2616 #define SSL_R_PEER_ERROR_CERTIFICATE			 201
2617 #define SSL_R_PEER_ERROR_NO_CERTIFICATE			 202
2618 #define SSL_R_PEER_ERROR_NO_CIPHER			 203
2619 #define SSL_R_PEER_ERROR_UNSUPPORTED_CERTIFICATE_TYPE	 204
2620 #define SSL_R_PRE_MAC_LENGTH_TOO_LONG			 205
2621 #define SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS		 206
2622 #define SSL_R_PROTOCOL_IS_SHUTDOWN			 207
2623 #define SSL_R_PSK_IDENTITY_NOT_FOUND			 223
2624 #define SSL_R_PSK_NO_CLIENT_CB				 224
2625 #define SSL_R_PSK_NO_SERVER_CB				 225
2626 #define SSL_R_PUBLIC_KEY_ENCRYPT_ERROR			 208
2627 #define SSL_R_PUBLIC_KEY_IS_NOT_RSA			 209
2628 #define SSL_R_PUBLIC_KEY_NOT_RSA			 210
2629 #define SSL_R_READ_BIO_NOT_SET				 211
2630 #define SSL_R_READ_TIMEOUT_EXPIRED			 312
2631 #define SSL_R_READ_WRONG_PACKET_TYPE			 212
2632 #define SSL_R_RECORD_LENGTH_MISMATCH			 213
2633 #define SSL_R_RECORD_TOO_LARGE				 214
2634 #define SSL_R_RECORD_TOO_SMALL				 298
2635 #define SSL_R_RENEGOTIATE_EXT_TOO_LONG			 335
2636 #define SSL_R_RENEGOTIATION_ENCODING_ERR		 336
2637 #define SSL_R_RENEGOTIATION_MISMATCH			 337
2638 #define SSL_R_REQUIRED_CIPHER_MISSING			 215
2639 #define SSL_R_REQUIRED_COMPRESSSION_ALGORITHM_MISSING	 342
2640 #define SSL_R_REUSE_CERT_LENGTH_NOT_ZERO		 216
2641 #define SSL_R_REUSE_CERT_TYPE_NOT_ZERO			 217
2642 #define SSL_R_REUSE_CIPHER_LIST_NOT_ZERO		 218
2643 #define SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING		 345
2644 #define SSL_R_SERVERHELLO_TLSEXT			 275
2645 #define SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED		 277
2646 #define SSL_R_SESSION_MAY_NOT_BE_CREATED		 2000
2647 #define SSL_R_SHORT_READ				 219
2648 #define SSL_R_SIGNATURE_ALGORITHMS_ERROR		 360
2649 #define SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE	 220
2650 #define SSL_R_SRP_A_CALC				 361
2651 #define SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES		 362
2652 #define SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG	 363
2653 #define SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE		 364
2654 #define SSL_R_SSL23_DOING_SESSION_ID_REUSE		 221
2655 #define SSL_R_SSL2_CONNECTION_ID_TOO_LONG		 299
2656 #define SSL_R_SSL3_EXT_INVALID_ECPOINTFORMAT		 321
2657 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME		 319
2658 #define SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE		 320
2659 #define SSL_R_SSL3_SESSION_ID_TOO_LONG			 300
2660 #define SSL_R_SSL3_SESSION_ID_TOO_SHORT			 222
2661 #define SSL_R_SSLV3_ALERT_BAD_CERTIFICATE		 1042
2662 #define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC		 1020
2663 #define SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED		 1045
2664 #define SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED		 1044
2665 #define SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN		 1046
2666 #define SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE		 1030
2667 #define SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE		 1040
2668 #define SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER		 1047
2669 #define SSL_R_SSLV3_ALERT_NO_CERTIFICATE		 1041
2670 #define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE		 1010
2671 #define SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE	 1043
2672 #define SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION	 228
2673 #define SSL_R_SSL_HANDSHAKE_FAILURE			 229
2674 #define SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS		 230
2675 #define SSL_R_SSL_SESSION_ID_CALLBACK_FAILED		 301
2676 #define SSL_R_SSL_SESSION_ID_CONFLICT			 302
2677 #define SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG		 273
2678 #define SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH		 303
2679 #define SSL_R_SSL_SESSION_ID_IS_DIFFERENT		 231
2680 #define SSL_R_TLSV1_ALERT_ACCESS_DENIED			 1049
2681 #define SSL_R_TLSV1_ALERT_DECODE_ERROR			 1050
2682 #define SSL_R_TLSV1_ALERT_DECRYPTION_FAILED		 1021
2683 #define SSL_R_TLSV1_ALERT_DECRYPT_ERROR			 1051
2684 #define SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION		 1060
2685 #define SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK	 1086
2686 #define SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY		 1071
2687 #define SSL_R_TLSV1_ALERT_INTERNAL_ERROR		 1080
2688 #define SSL_R_TLSV1_ALERT_NO_RENEGOTIATION		 1100
2689 #define SSL_R_TLSV1_ALERT_PROTOCOL_VERSION		 1070
2690 #define SSL_R_TLSV1_ALERT_RECORD_OVERFLOW		 1022
2691 #define SSL_R_TLSV1_ALERT_UNKNOWN_CA			 1048
2692 #define SSL_R_TLSV1_ALERT_USER_CANCELLED		 1090
2693 #define SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE		 1114
2694 #define SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE	 1113
2695 #define SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE		 1111
2696 #define SSL_R_TLSV1_UNRECOGNIZED_NAME			 1112
2697 #define SSL_R_TLSV1_UNSUPPORTED_EXTENSION		 1110
2698 #define SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER	 232
2699 #define SSL_R_TLS_HEARTBEAT_PEER_DOESNT_ACCEPT		 365
2700 #define SSL_R_TLS_HEARTBEAT_PENDING			 366
2701 #define SSL_R_TLS_ILLEGAL_EXPORTER_LABEL		 367
2702 #define SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST		 157
2703 #define SSL_R_TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST 233
2704 #define SSL_R_TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG	 234
2705 #define SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER		 235
2706 #define SSL_R_UNABLE_TO_DECODE_DH_CERTS			 236
2707 #define SSL_R_UNABLE_TO_DECODE_ECDH_CERTS		 313
2708 #define SSL_R_UNABLE_TO_EXTRACT_PUBLIC_KEY		 237
2709 #define SSL_R_UNABLE_TO_FIND_DH_PARAMETERS		 238
2710 #define SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS		 314
2711 #define SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS	 239
2712 #define SSL_R_UNABLE_TO_FIND_SSL_METHOD			 240
2713 #define SSL_R_UNABLE_TO_LOAD_SSL2_MD5_ROUTINES		 241
2714 #define SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES		 242
2715 #define SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES		 243
2716 #define SSL_R_UNEXPECTED_MESSAGE			 244
2717 #define SSL_R_UNEXPECTED_RECORD				 245
2718 #define SSL_R_UNINITIALIZED				 276
2719 #define SSL_R_UNKNOWN_ALERT_TYPE			 246
2720 #define SSL_R_UNKNOWN_CERTIFICATE_TYPE			 247
2721 #define SSL_R_UNKNOWN_CIPHER_RETURNED			 248
2722 #define SSL_R_UNKNOWN_CIPHER_TYPE			 249
2723 #define SSL_R_UNKNOWN_DIGEST				 368
2724 #define SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE			 250
2725 #define SSL_R_UNKNOWN_PKEY_TYPE				 251
2726 #define SSL_R_UNKNOWN_PROTOCOL				 252
2727 #define SSL_R_UNKNOWN_REMOTE_ERROR_TYPE			 253
2728 #define SSL_R_UNKNOWN_SSL_VERSION			 254
2729 #define SSL_R_UNKNOWN_STATE				 255
2730 #define SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED	 338
2731 #define SSL_R_UNSUPPORTED_CIPHER			 256
2732 #define SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM		 257
2733 #define SSL_R_UNSUPPORTED_DIGEST_TYPE			 326
2734 #define SSL_R_UNSUPPORTED_ELLIPTIC_CURVE		 315
2735 #define SSL_R_UNSUPPORTED_PROTOCOL			 258
2736 #define SSL_R_UNSUPPORTED_SSL_VERSION			 259
2737 #define SSL_R_UNSUPPORTED_STATUS_TYPE			 329
2738 #define SSL_R_USE_SRTP_NOT_NEGOTIATED			 369
2739 #define SSL_R_WRITE_BIO_NOT_SET				 260
2740 #define SSL_R_WRONG_CIPHER_RETURNED			 261
2741 #define SSL_R_WRONG_MESSAGE_TYPE			 262
2742 #define SSL_R_WRONG_NUMBER_OF_KEY_BITS			 263
2743 #define SSL_R_WRONG_SIGNATURE_LENGTH			 264
2744 #define SSL_R_WRONG_SIGNATURE_SIZE			 265
2745 #define SSL_R_WRONG_SIGNATURE_TYPE			 370
2746 #define SSL_R_WRONG_SSL_VERSION				 266
2747 #define SSL_R_WRONG_VERSION_NUMBER			 267
2748 #define SSL_R_X509_LIB					 268
2749 #define SSL_R_X509_VERIFICATION_SETUP_PROBLEMS		 269
2750 
2751 #ifdef  __cplusplus
2752 }
2753 #endif
2754 #endif
2755