[thirdparty/openssl.git] / ssl / record / record_locl.h

/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */
/* ====================================================================
 * Copyright (c) 1998-2015 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    openssl-core@openssl.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */


/*****************************************************************************
 *                                                                           *
 * The following macros/functions are PRIVATE to the record layer. They      *
 * should NOT be used outside of the record layer.                           *
 *                                                                           *
 *****************************************************************************/

/* Functions/macros provided by the RECORD_LAYER component */

#define RECORD_LAYER_get_rbuf(rl)               (&(rl)->rbuf)
#define RECORD_LAYER_get_wbuf(rl)               (&(rl)->wbuf)
#define RECORD_LAYER_get_rrec(rl)               (&(rl)->rrec)
#define RECORD_LAYER_get_wrec(rl)               (&(rl)->wrec)
#define RECORD_LAYER_set_packet(rl, p)          ((rl)->packet = (p))
#define RECORD_LAYER_reset_packet_length(rl)    ((rl)->packet_length = 0)
#define RECORD_LAYER_get_rstate(rl)             ((rl)->rstate)
#define RECORD_LAYER_set_rstate(rl, st)         ((rl)->rstate = (st))
#define RECORD_LAYER_get_read_sequence(rl)      ((rl)->read_sequence)
#define RECORD_LAYER_get_write_sequence(rl)     ((rl)->write_sequence)
#define DTLS_RECORD_LAYER_get_r_epoch(rl)       ((rl)->d->r_epoch)

__owur int ssl3_read_n(SSL *s, int n, int max, int extend);

void RECORD_LAYER_set_write_sequence(RECORD_LAYER *rl, const unsigned char *ws);
DTLS1_BITMAP *dtls1_get_bitmap(SSL *s, SSL3_RECORD *rr,
                                      unsigned int *is_next_epoch);
int dtls1_process_buffered_records(SSL *s);
int dtls1_retrieve_buffered_record(SSL *s, record_pqueue *queue);
int dtls1_buffer_record(SSL *s, record_pqueue *q,
                               unsigned char *priority);
void ssl3_record_sequence_update(unsigned char *seq);

/* Functions provided by the DTLS1_BITMAP component */

int dtls1_record_replay_check(SSL *s, DTLS1_BITMAP *bitmap);
void dtls1_record_bitmap_update(SSL *s, DTLS1_BITMAP *bitmap);


/* Macros/functions provided by the SSL3_BUFFER component */

#define SSL3_BUFFER_get_buf(b)              ((b)->buf)
#define SSL3_BUFFER_set_buf(b, n)           ((b)->buf = (n))
#define SSL3_BUFFER_get_len(b)              ((b)->len)
#define SSL3_BUFFER_set_len(b, l)           ((b)->len = (l))
#define SSL3_BUFFER_get_left(b)             ((b)->left)
#define SSL3_BUFFER_set_left(b, l)          ((b)->left = (l))
#define SSL3_BUFFER_add_left(b, l)          ((b)->left += (l))
#define SSL3_BUFFER_get_offset(b)           ((b)->offset)
#define SSL3_BUFFER_set_offset(b, o)        ((b)->offset = (o))
#define SSL3_BUFFER_add_offset(b, o)        ((b)->offset += (o))
#define SSL3_BUFFER_is_initialised(b)       ((b)->buf != NULL)

void SSL3_BUFFER_clear(SSL3_BUFFER *b);
void SSL3_BUFFER_set_data(SSL3_BUFFER *b, const unsigned char *d, int n);
void SSL3_BUFFER_release(SSL3_BUFFER *b);
__owur int ssl3_setup_read_buffer(SSL *s);
__owur int ssl3_setup_write_buffer(SSL *s);
int ssl3_release_read_buffer(SSL *s);
int ssl3_release_write_buffer(SSL *s);

/* Macros/functions provided by the SSL3_RECORD component */

#define SSL3_RECORD_get_type(r)                 ((r)->type)
#define SSL3_RECORD_set_type(r, t)              ((r)->type = (t))
#define SSL3_RECORD_get_length(r)               ((r)->length)
#define SSL3_RECORD_set_length(r, l)            ((r)->length = (l))
#define SSL3_RECORD_add_length(r, l)            ((r)->length += (l))
#define SSL3_RECORD_get_data(r)                 ((r)->data)
#define SSL3_RECORD_set_data(r, d)              ((r)->data = (d))
#define SSL3_RECORD_get_input(r)                ((r)->input)
#define SSL3_RECORD_set_input(r, i)             ((r)->input = (i))
#define SSL3_RECORD_reset_input(r)              ((r)->input = (r)->data)
#define SSL3_RECORD_get_seq_num(r)              ((r)->seq_num)
#define SSL3_RECORD_get_off(r)                  ((r)->off)
#define SSL3_RECORD_set_off(r, o)               ((r)->off = (o))
#define SSL3_RECORD_add_off(r, o)               ((r)->off += (o))
#define SSL3_RECORD_get_epoch(r)                ((r)->epoch)
#define SSL3_RECORD_is_sslv2_record(r) \
            ((r)->rec_version == SSL2_VERSION)

void SSL3_RECORD_clear(SSL3_RECORD *r);
void SSL3_RECORD_release(SSL3_RECORD *r);
int SSL3_RECORD_setup(SSL3_RECORD *r);
void SSL3_RECORD_set_seq_num(SSL3_RECORD *r, const unsigned char *seq_num);
int ssl3_get_record(SSL *s);
__owur int ssl3_do_compress(SSL *ssl);
__owur int ssl3_do_uncompress(SSL *ssl);
void ssl3_cbc_copy_mac(unsigned char *out,
                       const SSL3_RECORD *rec, unsigned md_size);
__owur int ssl3_cbc_remove_padding(SSL3_RECORD *rec,
                            unsigned block_size, unsigned mac_size);
__owur int tls1_cbc_remove_padding(const SSL *s,
                            SSL3_RECORD *rec,
                            unsigned block_size, unsigned mac_size);
int dtls1_process_record(SSL *s);
__owur int dtls1_get_record(SSL *s);
Commit	Line	Data
258f8721 MC	1	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
	2	* All rights reserved.
	3	*
	4	* This package is an SSL implementation written
	5	* by Eric Young (eay@cryptsoft.com).
	6	* The implementation was written so as to conform with Netscapes SSL.
	7	*
	8	* This library is free for commercial and non-commercial use as long as
	9	* the following conditions are aheared to. The following conditions
	10	* apply to all code found in this distribution, be it the RC4, RSA,
	11	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	12	* included with this distribution is covered by the same copyright terms
	13	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	14	*
	15	* Copyright remains Eric Young's, and as such any Copyright notices in
	16	* the code are not to be removed.
	17	* If this package is used in a product, Eric Young should be given attribution
	18	* as the author of the parts of the library used.
	19	* This can be in the form of a textual message at program startup or
	20	* in documentation (online or textual) provided with the package.
	21	*
	22	* Redistribution and use in source and binary forms, with or without
	23	* modification, are permitted provided that the following conditions
	24	* are met:
	25	* 1. Redistributions of source code must retain the copyright
	26	* notice, this list of conditions and the following disclaimer.
	27	* 2. Redistributions in binary form must reproduce the above copyright
	28	* notice, this list of conditions and the following disclaimer in the
	29	* documentation and/or other materials provided with the distribution.
	30	* 3. All advertising materials mentioning features or use of this software
	31	* must display the following acknowledgement:
	32	* "This product includes cryptographic software written by
	33	* Eric Young (eay@cryptsoft.com)"
	34	* The word 'cryptographic' can be left out if the rouines from the library
	35	* being used are not cryptographic related :-).
	36	* 4. If you include any Windows specific code (or a derivative thereof) from
	37	* the apps directory (application code) you must include an acknowledgement:
	38	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	39	*
	40	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	41	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	42	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	43	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	44	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	45	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	46	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	47	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	48	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	49	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	50	* SUCH DAMAGE.
	51	*
	52	* The licence and distribution terms for any publically available version or
	53	* derivative of this code cannot be changed. i.e. this code cannot simply be
	54	* copied and put under another distribution licence
	55	* [including the GNU Public Licence.]
	56	*/
	57	/* ====================================================================
	58	* Copyright (c) 1998-2015 The OpenSSL Project. All rights reserved.
	59	*
	60	* Redistribution and use in source and binary forms, with or without
	61	* modification, are permitted provided that the following conditions
	62	* are met:
	63	*
	64	* 1. Redistributions of source code must retain the above copyright
65	* notice, this list of conditions and the following disclaimer.
66	*
67	* 2. Redistributions in binary form must reproduce the above copyright
68	* notice, this list of conditions and the following disclaimer in
69	* the documentation and/or other materials provided with the
70	* distribution.
71	*
72	* 3. All advertising materials mentioning features or use of this
73	* software must display the following acknowledgment:
74	* "This product includes software developed by the OpenSSL Project
75	* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
76	*
77	* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78	* endorse or promote products derived from this software without
79	* prior written permission. For written permission, please contact
80	* openssl-core@openssl.org.
81	*
82	* 5. Products derived from this software may not be called "OpenSSL"
83	* nor may "OpenSSL" appear in their names without prior written
84	* permission of the OpenSSL Project.
85	*
86	* 6. Redistributions of any form whatsoever must retain the following
87	* acknowledgment:
88	* "This product includes software developed by the OpenSSL Project
89	* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
90	*
91	* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92	* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95	* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96	* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98	* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102	* OF THE POSSIBILITY OF SUCH DAMAGE.
103	* ====================================================================
104	*
105	* This product includes cryptographic software written by Eric Young
106	* (eay@cryptsoft.com). This product includes software written by Tim
107	* Hudson (tjh@cryptsoft.com).
108	*
109	*/
110
44cc35d3 MC	111
	112	/*****************************************************************************
	113	* *
	114	* The following macros/functions are PRIVATE to the record layer. They *
	115	* should NOT be used outside of the record layer. *
	116	* *
	117	*****************************************************************************/
	118
	119	/* Functions/macros provided by the RECORD_LAYER component */
	120
	121	#define RECORD_LAYER_get_rbuf(rl) (&(rl)->rbuf)
	122	#define RECORD_LAYER_get_wbuf(rl) (&(rl)->wbuf)
	123	#define RECORD_LAYER_get_rrec(rl) (&(rl)->rrec)
	124	#define RECORD_LAYER_get_wrec(rl) (&(rl)->wrec)
	125	#define RECORD_LAYER_set_packet(rl, p) ((rl)->packet = (p))
	126	#define RECORD_LAYER_reset_packet_length(rl) ((rl)->packet_length = 0)
	127	#define RECORD_LAYER_get_rstate(rl) ((rl)->rstate)
	128	#define RECORD_LAYER_set_rstate(rl, st) ((rl)->rstate = (st))
	129	#define RECORD_LAYER_get_read_sequence(rl) ((rl)->read_sequence)
	130	#define RECORD_LAYER_get_write_sequence(rl) ((rl)->write_sequence)
	131	#define DTLS_RECORD_LAYER_get_r_epoch(rl) ((rl)->d->r_epoch)
	132
	133	__owur int ssl3_read_n(SSL *s, int n, int max, int extend);
	134
	135	void RECORD_LAYER_set_write_sequence(RECORD_LAYER rl, const unsigned char ws);
	136	DTLS1_BITMAP dtls1_get_bitmap(SSL s, SSL3_RECORD *rr,
	137	unsigned int *is_next_epoch);
	138	int dtls1_process_buffered_records(SSL *s);
	139	int dtls1_retrieve_buffered_record(SSL s, record_pqueue queue);
	140	int dtls1_buffer_record(SSL s, record_pqueue q,
	141	unsigned char *priority);
	142	void ssl3_record_sequence_update(unsigned char *seq);
	143
	144	/* Functions provided by the DTLS1_BITMAP component */
	145
	146	int dtls1_record_replay_check(SSL s, DTLS1_BITMAP bitmap);
	147	void dtls1_record_bitmap_update(SSL s, DTLS1_BITMAP bitmap);
	148
	149
	150	/* Macros/functions provided by the SSL3_BUFFER component */
	151
	152	#define SSL3_BUFFER_get_buf(b) ((b)->buf)
	153	#define SSL3_BUFFER_set_buf(b, n) ((b)->buf = (n))
	154	#define SSL3_BUFFER_get_len(b) ((b)->len)
	155	#define SSL3_BUFFER_set_len(b, l) ((b)->len = (l))
	156	#define SSL3_BUFFER_get_left(b) ((b)->left)
747e1639 MC	157	#define SSL3_BUFFER_set_left(b, l) ((b)->left = (l))
	158	#define SSL3_BUFFER_add_left(b, l) ((b)->left += (l))
	159	#define SSL3_BUFFER_get_offset(b) ((b)->offset)
	160	#define SSL3_BUFFER_set_offset(b, o) ((b)->offset = (o))
	161	#define SSL3_BUFFER_add_offset(b, o) ((b)->offset += (o))
44cc35d3 MC	162	#define SSL3_BUFFER_is_initialised(b) ((b)->buf != NULL)
44cc35d3 MC	163
6b41b3f5	164	void SSL3_BUFFER_clear(SSL3_BUFFER *b);
44cc35d3 MC	165	void SSL3_BUFFER_set_data(SSL3_BUFFER b, const unsigned char d, int n);
	166	void SSL3_BUFFER_release(SSL3_BUFFER *b);
	167	__owur int ssl3_setup_read_buffer(SSL *s);
	168	__owur int ssl3_setup_write_buffer(SSL *s);
	169	int ssl3_release_read_buffer(SSL *s);
	170	int ssl3_release_write_buffer(SSL *s);
	171
	172	/* Macros/functions provided by the SSL3_RECORD component */
258f8721 MC	173
258f8721 MC	174	#define SSL3_RECORD_get_type(r) ((r)->type)
747e1639	175	#define SSL3_RECORD_set_type(r, t) ((r)->type = (t))
258f8721	176	#define SSL3_RECORD_get_length(r) ((r)->length)
747e1639 MC	177	#define SSL3_RECORD_set_length(r, l) ((r)->length = (l))
747e1639 MC	178	#define SSL3_RECORD_add_length(r, l) ((r)->length += (l))
258f8721	179	#define SSL3_RECORD_get_data(r) ((r)->data)
747e1639 MC	180	#define SSL3_RECORD_set_data(r, d) ((r)->data = (d))
	181	#define SSL3_RECORD_get_input(r) ((r)->input)
	182	#define SSL3_RECORD_set_input(r, i) ((r)->input = (i))
	183	#define SSL3_RECORD_reset_input(r) ((r)->input = (r)->data)
258f8721	184	#define SSL3_RECORD_get_seq_num(r) ((r)->seq_num)
747e1639 MC	185	#define SSL3_RECORD_get_off(r) ((r)->off)
	186	#define SSL3_RECORD_set_off(r, o) ((r)->off = (o))
	187	#define SSL3_RECORD_add_off(r, o) ((r)->off += (o))
	188	#define SSL3_RECORD_get_epoch(r) ((r)->epoch)
32ec4153 MC	189	#define SSL3_RECORD_is_sslv2_record(r) \
32ec4153 MC	190	((r)->rec_version == SSL2_VERSION)
258f8721 MC	191
	192	void SSL3_RECORD_clear(SSL3_RECORD *r);
	193	void SSL3_RECORD_release(SSL3_RECORD *r);
bd2e3a95	194	int SSL3_RECORD_setup(SSL3_RECORD *r);
258f8721	195	void SSL3_RECORD_set_seq_num(SSL3_RECORD r, const unsigned char seq_num);
fe589e61 MC	196	int ssl3_get_record(SSL *s);
	197	__owur int ssl3_do_compress(SSL *ssl);
	198	__owur int ssl3_do_uncompress(SSL *ssl);
02a36fda MC	199	void ssl3_cbc_copy_mac(unsigned char *out,
02a36fda MC	200	const SSL3_RECORD *rec, unsigned md_size);
a773b52a	201	__owur int ssl3_cbc_remove_padding(SSL3_RECORD *rec,
02a36fda MC	202	unsigned block_size, unsigned mac_size);
	203	__owur int tls1_cbc_remove_padding(const SSL *s,
	204	SSL3_RECORD *rec,
	205	unsigned block_size, unsigned mac_size);
fe589e61	206	int dtls1_process_record(SSL *s);
02a36fda	207	__owur int dtls1_get_record(SSL *s);