1 /* ssl/ssl_locl.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer.
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 
112 #ifndef HEADER_SSL_LOCL_H
113 #define HEADER_SSL_LOCL_H
114 #include <stdlib.h>
115 #include <time.h>
116 #include <string.h>
117 #include <errno.h>
118 
119 #include "e_os.h"
120 
121 #include <openssl/buffer.h>
122 #include <openssl/comp.h>
123 #include <openssl/bio.h>
124 #include <openssl/crypto.h>
125 #include <openssl/evp.h>
126 #include <openssl/stack.h>
127 #include <openssl/x509.h>
128 #include <openssl/err.h>
129 #include <openssl/ssl.h>
130 #include <openssl/symhacks.h>
131 
132 #ifdef OPENSSL_BUILD_SHLIBSSL
133 # undef OPENSSL_EXTERN
134 # define OPENSSL_EXTERN OPENSSL_EXPORT
135 #endif
136 
137 #define PKCS1_CHECK
138 
139 #define c2l(c,l)	(l = ((unsigned long)(*((c)++)))     , \
140 			 l|=(((unsigned long)(*((c)++)))<< 8), \
141 			 l|=(((unsigned long)(*((c)++)))<<16), \
142 			 l|=(((unsigned long)(*((c)++)))<<24))
143 
144 /* NOTE - c is not incremented as per c2l */
145 #define c2ln(c,l1,l2,n)	{ \
146 			c+=n; \
147 			l1=l2=0; \
148 			switch (n) { \
149 			case 8: l2 =((unsigned long)(*(--(c))))<<24; \
150 			case 7: l2|=((unsigned long)(*(--(c))))<<16; \
151 			case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
152 			case 5: l2|=((unsigned long)(*(--(c))));     \
153 			case 4: l1 =((unsigned long)(*(--(c))))<<24; \
154 			case 3: l1|=((unsigned long)(*(--(c))))<<16; \
155 			case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
156 			case 1: l1|=((unsigned long)(*(--(c))));     \
157 				} \
158 			}
159 
160 #define l2c(l,c)	(*((c)++)=(unsigned char)(((l)    )&0xff), \
161 			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
162 			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
163 			 *((c)++)=(unsigned char)(((l)>>24)&0xff))
164 
165 #define n2l(c,l)	(l =((unsigned long)(*((c)++)))<<24, \
166 			 l|=((unsigned long)(*((c)++)))<<16, \
167 			 l|=((unsigned long)(*((c)++)))<< 8, \
168 			 l|=((unsigned long)(*((c)++))))
169 
170 #define l2n(l,c)	(*((c)++)=(unsigned char)(((l)>>24)&0xff), \
171 			 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
172 			 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
173 			 *((c)++)=(unsigned char)(((l)    )&0xff))
174 
175 /* NOTE - c is not incremented as per l2c */
176 #define l2cn(l1,l2,c,n)	{ \
177 			c+=n; \
178 			switch (n) { \
179 			case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
180 			case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
181 			case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
182 			case 5: *(--(c))=(unsigned char)(((l2)    )&0xff); \
183 			case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
184 			case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
185 			case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
186 			case 1: *(--(c))=(unsigned char)(((l1)    )&0xff); \
187 				} \
188 			}
189 
190 #define n2s(c,s)	((s=(((unsigned int)(c[0]))<< 8)| \
191 			    (((unsigned int)(c[1]))    )),c+=2)
192 #define s2n(s,c)	((c[0]=(unsigned char)(((s)>> 8)&0xff), \
193 			  c[1]=(unsigned char)(((s)    )&0xff)),c+=2)
194 
195 #define n2l3(c,l)	((l =(((unsigned long)(c[0]))<<16)| \
196 			     (((unsigned long)(c[1]))<< 8)| \
197 			     (((unsigned long)(c[2]))    )),c+=3)
198 
199 #define l2n3(l,c)	((c[0]=(unsigned char)(((l)>>16)&0xff), \
200 			  c[1]=(unsigned char)(((l)>> 8)&0xff), \
201 			  c[2]=(unsigned char)(((l)    )&0xff)),c+=3)
202 
203 /* LOCAL STUFF */
204 
205 #define SSL_DECRYPT	0
206 #define SSL_ENCRYPT	1
207 
208 #define TWO_BYTE_BIT	0x80
209 #define SEC_ESC_BIT	0x40
210 #define TWO_BYTE_MASK	0x7fff
211 #define THREE_BYTE_MASK	0x3fff
212 
213 #define INC32(a)	((a)=((a)+1)&0xffffffffL)
214 #define DEC32(a)	((a)=((a)-1)&0xffffffffL)
215 #define MAX_MAC_SIZE	20 /* up from 16 for SSLv3 */
216 
217 /*
218  * Define the Bitmasks for SSL_CIPHER.algorithms.
219  * This bits are used packed as dense as possible. If new methods/ciphers
220  * etc will be added, the bits a likely to change, so this information
221  * is for internal library use only, even though SSL_CIPHER.algorithms
222  * can be publicly accessed.
223  * Use the according functions for cipher management instead.
224  *
225  * The bit mask handling in the selection and sorting scheme in
226  * ssl_create_cipher_list() has only limited capabilities, reflecting
227  * that the different entities within are mutually exclusive:
228  * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
229  */
230 #define SSL_MKEY_MASK		0x0000003FL
231 #define SSL_kRSA		0x00000001L /* RSA key exchange */
232 #define SSL_kDHr		0x00000002L /* DH cert RSA CA cert */
233 #define SSL_kDHd		0x00000004L /* DH cert DSA CA cert */
234 #define SSL_kFZA		0x00000008L
235 #define SSL_kEDH		0x00000010L /* tmp DH key no DH cert */
236 #define SSL_kKRB5		0x00000020L /* Kerberos5 key exchange */
237 #define SSL_EDH			(SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL))
238 
239 #define SSL_AUTH_MASK		0x00000FC0L
240 #define SSL_aRSA		0x00000040L /* Authenticate with RSA */
241 #define SSL_aDSS 		0x00000080L /* Authenticate with DSS */
242 #define SSL_DSS 		SSL_aDSS
243 #define SSL_aFZA 		0x00000100L
244 #define SSL_aNULL 		0x00000200L /* no Authenticate, ADH */
245 #define SSL_aDH 		0x00000400L /* no Authenticate, ADH */
246 #define SSL_aKRB5               0x00000800L /* Authenticate with KRB5 */
247 
248 #define SSL_NULL		(SSL_eNULL)
249 #define SSL_ADH			(SSL_kEDH|SSL_aNULL)
250 #define SSL_RSA			(SSL_kRSA|SSL_aRSA)
251 #define SSL_DH			(SSL_kDHr|SSL_kDHd|SSL_kEDH)
252 #define SSL_FZA			(SSL_aFZA|SSL_kFZA|SSL_eFZA)
253 #define SSL_KRB5                (SSL_kKRB5|SSL_aKRB5)
254 
255 #define SSL_ENC_MASK		0x0087F000L
256 #define SSL_DES			0x00001000L
257 #define SSL_3DES		0x00002000L
258 #define SSL_RC4			0x00004000L
259 #define SSL_RC2			0x00008000L
260 #define SSL_IDEA		0x00010000L
261 #define SSL_eFZA		0x00020000L
262 #define SSL_eNULL		0x00040000L
263 #define SSL_AES			0x00800000L
264 
265 #define SSL_MAC_MASK		0x00180000L
266 #define SSL_MD5			0x00080000L
267 #define SSL_SHA1		0x00100000L
268 #define SSL_SHA			(SSL_SHA1)
269 
270 #define SSL_SSL_MASK		0x00600000L
271 #define SSL_SSLV2		0x00200000L
272 #define SSL_SSLV3		0x00400000L
273 #define SSL_TLSV1		SSL_SSLV3	/* for now */
274 
275 /* we have used 007fffff - 9 bits left to go */
276 
277 /*
278  * Export and cipher strength information. For each cipher we have to decide
279  * whether it is exportable or not. This information is likely to change
280  * over time, since the export control rules are no static technical issue.
281  *
282  * Independent of the export flag the cipher strength is sorted into classes.
283  * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
284  * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
285  * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
286  * since SSL_EXP64 could be similar to SSL_LOW.
287  * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
288  * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
289  * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
290  * be possible.
291  */
292 #define SSL_EXP_MASK		0x00000003L
293 #define SSL_NOT_EXP		0x00000001L
294 #define SSL_EXPORT		0x00000002L
295 
296 #define SSL_STRONG_MASK		0x000000fcL
297 #define SSL_STRONG_NONE		0x00000004L
298 #define SSL_EXP40		0x00000008L
299 #define SSL_MICRO		(SSL_EXP40)
300 #define SSL_EXP56		0x00000010L
301 #define SSL_MINI		(SSL_EXP56)
302 #define SSL_LOW			0x00000020L
303 #define SSL_MEDIUM		0x00000040L
304 #define SSL_HIGH		0x00000080L
305 #define SSL_FIPS		0x00000100L
306 
307 /* we have used 000001ff - 23 bits left to go */
308 
309 /*
310  * Macros to check the export status and cipher strength for export ciphers.
311  * Even though the macros for EXPORT and EXPORT40/56 have similar names,
312  * their meaning is different:
313  * *_EXPORT macros check the 'exportable' status.
314  * *_EXPORT40/56 macros are used to check whether a certain cipher strength
315  *          is given.
316  * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
317  * algorithm structure element to be passed (algorithms, algo_strength) and no
318  * typechecking can be done as they are all of type unsigned long, their
319  * direct usage is discouraged.
320  * Use the SSL_C_* macros instead.
321  */
322 #define SSL_IS_EXPORT(a)	((a)&SSL_EXPORT)
323 #define SSL_IS_EXPORT56(a)	((a)&SSL_EXP56)
324 #define SSL_IS_EXPORT40(a)	((a)&SSL_EXP40)
325 #define SSL_C_IS_EXPORT(c)	SSL_IS_EXPORT((c)->algo_strength)
326 #define SSL_C_IS_EXPORT56(c)	SSL_IS_EXPORT56((c)->algo_strength)
327 #define SSL_C_IS_EXPORT40(c)	SSL_IS_EXPORT40((c)->algo_strength)
328 
329 #define SSL_EXPORT_KEYLENGTH(a,s)	(SSL_IS_EXPORT40(s) ? 5 : \
330 				 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7)
331 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
332 #define SSL_C_EXPORT_KEYLENGTH(c)	SSL_EXPORT_KEYLENGTH((c)->algorithms, \
333 				(c)->algo_strength)
334 #define SSL_C_EXPORT_PKEYLENGTH(c)	SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
335 
336 
337 #define SSL_ALL			0xffffffffL
338 #define SSL_ALL_CIPHERS		(SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\
339 				SSL_MAC_MASK)
340 #define SSL_ALL_STRENGTHS	(SSL_EXP_MASK|SSL_STRONG_MASK)
341 
342 /* Mostly for SSLv3 */
343 #define SSL_PKEY_RSA_ENC	0
344 #define SSL_PKEY_RSA_SIGN	1
345 #define SSL_PKEY_DSA_SIGN	2
346 #define SSL_PKEY_DH_RSA		3
347 #define SSL_PKEY_DH_DSA		4
348 #define SSL_PKEY_NUM		5
349 
350 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
351  * 	    <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
352  * SSL_kDH  <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
353  * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
354  * SSL_aRSA <- RSA_ENC | RSA_SIGN
355  * SSL_aDSS <- DSA_SIGN
356  */
357 
358 /*
359 #define CERT_INVALID		0
360 #define CERT_PUBLIC_KEY		1
361 #define CERT_PRIVATE_KEY	2
362 */
363 
364 typedef struct cert_pkey_st
365 	{
366 	X509 *x509;
367 	EVP_PKEY *privatekey;
368 	} CERT_PKEY;
369 
370 typedef struct cert_st
371 	{
372 	/* Current active set */
373 	CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
374 			 * Probably it would make more sense to store
375 			 * an index, not a pointer. */
376 
377 	/* The following masks are for the key and auth
378 	 * algorithms that are supported by the certs below */
379 	int valid;
380 	unsigned long mask;
381 	unsigned long export_mask;
382 #ifndef OPENSSL_NO_RSA
383 	RSA *rsa_tmp;
384 	RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
385 #endif
386 #ifndef OPENSSL_NO_DH
387 	DH *dh_tmp;
388 	DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
389 #endif
390 
391 	CERT_PKEY pkeys[SSL_PKEY_NUM];
392 
393 	int references; /* >1 only if SSL_copy_session_id is used */
394 	} CERT;
395 
396 
397 typedef struct sess_cert_st
398 	{
399 	STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
400 
401 	/* The 'peer_...' members are used only by clients. */
402 	int peer_cert_type;
403 
404 	CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
405 	CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
406 	/* Obviously we don't have the private keys of these,
407 	 * so maybe we shouldn't even use the CERT_PKEY type here. */
408 
409 #ifndef OPENSSL_NO_RSA
410 	RSA *peer_rsa_tmp; /* not used for SSL 2 */
411 #endif
412 #ifndef OPENSSL_NO_DH
413 	DH *peer_dh_tmp; /* not used for SSL 2 */
414 #endif
415 
416 	int references; /* actually always 1 at the moment */
417 	} SESS_CERT;
418 
419 
420 /*#define MAC_DEBUG	*/
421 
422 /*#define ERR_DEBUG	*/
423 /*#define ABORT_DEBUG	*/
424 /*#define PKT_DEBUG 1   */
425 /*#define DES_DEBUG	*/
426 /*#define DES_OFB_DEBUG	*/
427 /*#define SSL_DEBUG	*/
428 /*#define RSA_DEBUG	*/
429 /*#define IDEA_DEBUG	*/
430 
431 #define FP_ICC  (int (*)(const void *,const void *))
432 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
433 		((ssl)->method->put_cipher_by_char((ciph),(ptr)))
434 #define ssl_get_cipher_by_char(ssl,ptr) \
435 		((ssl)->method->get_cipher_by_char(ptr))
436 
437 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
438  * It is a bit of a mess of functions, but hell, think of it as
439  * an opaque structure :-) */
440 typedef struct ssl3_enc_method
441 	{
442 	int (*enc)(SSL *, int);
443 	int (*mac)(SSL *, unsigned char *, int);
444 	int (*setup_key_block)(SSL *);
445 	int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
446 	int (*change_cipher_state)(SSL *, int);
447 	int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *);
448 	int finish_mac_length;
449 	int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *);
450 	const char *client_finished_label;
451 	int client_finished_label_len;
452 	const char *server_finished_label;
453 	int server_finished_label_len;
454 	int (*alert_value)(int);
455 	} SSL3_ENC_METHOD;
456 
457 /* Used for holding the relevant compression methods loaded into SSL_CTX */
458 typedef struct ssl3_comp_st
459 	{
460 	int comp_id;	/* The identifier byte for this compression type */
461 	char *name;	/* Text name used for the compression type */
462 	COMP_METHOD *method; /* The method :-) */
463 	} SSL3_COMP;
464 
465 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
466 OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[];
467 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
468 
469 #ifdef OPENSSL_SYS_VMS
470 #undef SSL_COMP_get_compression_methods
471 #define SSL_COMP_get_compression_methods	SSL_COMP_get_compress_methods
472 #endif
473 
474 
475 SSL_METHOD *ssl_bad_method(int ver);
476 SSL_METHOD *sslv2_base_method(void);
477 SSL_METHOD *sslv23_base_method(void);
478 SSL_METHOD *sslv3_base_method(void);
479 
480 void ssl_clear_cipher_ctx(SSL *s);
481 int ssl_clear_bad_session(SSL *s);
482 CERT *ssl_cert_new(void);
483 CERT *ssl_cert_dup(CERT *cert);
484 int ssl_cert_inst(CERT **o);
485 void ssl_cert_free(CERT *c);
486 SESS_CERT *ssl_sess_cert_new(void);
487 void ssl_sess_cert_free(SESS_CERT *sc);
488 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
489 int ssl_get_new_session(SSL *s, int session);
490 int ssl_get_prev_session(SSL *s, unsigned char *session,int len);
491 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
492 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
493 			const SSL_CIPHER * const *bp);
494 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
495 					       STACK_OF(SSL_CIPHER) **skp);
496 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
497                              int (*put_cb)(const SSL_CIPHER *, unsigned char *));
498 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
499 					     STACK_OF(SSL_CIPHER) **pref,
500 					     STACK_OF(SSL_CIPHER) **sorted,
501 					     const char *rule_str);
502 void ssl_update_cache(SSL *s, int mode);
503 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
504 		       const EVP_MD **md,SSL_COMP **comp);
505 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
506 int ssl_undefined_function(SSL *s);
507 int ssl_undefined_const_function(const SSL *s);
508 X509 *ssl_get_server_send_cert(SSL *);
509 EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *);
510 int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
511 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher);
512 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
513 int ssl_verify_alarm_type(long type);
514 
515 int ssl2_enc_init(SSL *s, int client);
516 int ssl2_generate_key_material(SSL *s);
517 void ssl2_enc(SSL *s,int send_data);
518 void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
519 SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
520 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
521 int ssl2_part_read(SSL *s, unsigned long f, int i);
522 int ssl2_do_write(SSL *s);
523 int ssl2_set_certificate(SSL *s, int type, int len, unsigned char *data);
524 void ssl2_return_error(SSL *s,int reason);
525 void ssl2_write_error(SSL *s);
526 int ssl2_num_ciphers(void);
527 SSL_CIPHER *ssl2_get_cipher(unsigned int u);
528 int	ssl2_new(SSL *s);
529 void	ssl2_free(SSL *s);
530 int	ssl2_accept(SSL *s);
531 int	ssl2_connect(SSL *s);
532 int	ssl2_read(SSL *s, void *buf, int len);
533 int	ssl2_peek(SSL *s, void *buf, int len);
534 int	ssl2_write(SSL *s, const void *buf, int len);
535 int	ssl2_shutdown(SSL *s);
536 void	ssl2_clear(SSL *s);
537 long	ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
538 long	ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
539 long	ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)());
540 long	ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)());
541 int	ssl2_pending(const SSL *s);
542 
543 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
544 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
545 void ssl3_init_finished_mac(SSL *s);
546 int ssl3_send_server_certificate(SSL *s);
547 int ssl3_get_finished(SSL *s,int state_a,int state_b);
548 int ssl3_setup_key_block(SSL *s);
549 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
550 int ssl3_change_cipher_state(SSL *s,int which);
551 void ssl3_cleanup_key_block(SSL *s);
552 int ssl3_do_write(SSL *s,int type);
553 void ssl3_send_alert(SSL *s,int level, int desc);
554 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
555 	unsigned char *p, int len);
556 int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
557 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
558 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
559 int ssl3_num_ciphers(void);
560 SSL_CIPHER *ssl3_get_cipher(unsigned int u);
561 int ssl3_renegotiate(SSL *ssl);
562 int ssl3_renegotiate_check(SSL *ssl);
563 int ssl3_dispatch_alert(SSL *s);
564 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
565 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
566 int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
567 	const char *sender, int slen,unsigned char *p);
568 int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
569 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
570 int ssl3_enc(SSL *s, int send_data);
571 int ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
572 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
573 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
574 			       STACK_OF(SSL_CIPHER) *srvr);
575 int	ssl3_setup_buffers(SSL *s);
576 int	ssl3_new(SSL *s);
577 void	ssl3_free(SSL *s);
578 int	ssl3_accept(SSL *s);
579 int	ssl3_connect(SSL *s);
580 int	ssl3_read(SSL *s, void *buf, int len);
581 int	ssl3_peek(SSL *s, void *buf, int len);
582 int	ssl3_write(SSL *s, const void *buf, int len);
583 int	ssl3_shutdown(SSL *s);
584 void	ssl3_clear(SSL *s);
585 long	ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
586 long	ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
587 long	ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)());
588 long	ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)());
589 int	ssl3_pending(const SSL *s);
590 
591 int ssl23_accept(SSL *s);
592 int ssl23_connect(SSL *s);
593 int ssl23_read_bytes(SSL *s, int n);
594 int ssl23_write_bytes(SSL *s);
595 
596 int tls1_new(SSL *s);
597 void tls1_free(SSL *s);
598 void tls1_clear(SSL *s);
599 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
600 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)());
601 SSL_METHOD *tlsv1_base_method(void );
602 
603 int ssl_init_wbio_buffer(SSL *s, int push);
604 void ssl_free_wbio_buffer(SSL *s);
605 
606 int tls1_change_cipher_state(SSL *s, int which);
607 int tls1_setup_key_block(SSL *s);
608 int tls1_enc(SSL *s, int snd);
609 int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
610 	const char *str, int slen, unsigned char *p);
611 int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
612 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
613 int tls1_generate_master_secret(SSL *s, unsigned char *out,
614 	unsigned char *p, int len);
615 int tls1_alert_code(int code);
616 int ssl3_alert_code(int code);
617 int ssl_ok(SSL *s);
618 
619 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
620 STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void);
621 
622 
623 #endif
624