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git.ipfire.org Git - thirdparty/openssl.git/blob - ssl/record/record_locl.h
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /*****************************************************************************
12 * The following macros/functions are PRIVATE to the record layer. They *
13 * should NOT be used outside of the record layer. *
15 *****************************************************************************/
17 #define MAX_WARN_ALERT_COUNT 5
19 /* Functions/macros provided by the RECORD_LAYER component */
21 #define RECORD_LAYER_get_rbuf(rl) (&(rl)->rbuf)
22 #define RECORD_LAYER_get_wbuf(rl) ((rl)->wbuf)
23 #define RECORD_LAYER_get_rrec(rl) ((rl)->rrec)
24 #define RECORD_LAYER_set_packet(rl, p) ((rl)->packet = (p))
25 #define RECORD_LAYER_reset_packet_length(rl) ((rl)->packet_length = 0)
26 #define RECORD_LAYER_get_rstate(rl) ((rl)->rstate)
27 #define RECORD_LAYER_set_rstate(rl, st) ((rl)->rstate = (st))
28 #define RECORD_LAYER_get_read_sequence(rl) ((rl)->read_sequence)
29 #define RECORD_LAYER_get_write_sequence(rl) ((rl)->write_sequence)
30 #define RECORD_LAYER_get_numrpipes(rl) ((rl)->numrpipes)
31 #define RECORD_LAYER_set_numrpipes(rl, n) ((rl)->numrpipes = (n))
32 #define RECORD_LAYER_inc_empty_record_count(rl) ((rl)->empty_record_count++)
33 #define RECORD_LAYER_reset_empty_record_count(rl) \
34 ((rl)->empty_record_count = 0)
35 #define RECORD_LAYER_get_empty_record_count(rl) ((rl)->empty_record_count)
36 #define RECORD_LAYER_is_first_record(rl) ((rl)->is_first_record)
37 #define RECORD_LAYER_set_first_record(rl) ((rl)->is_first_record = 1)
38 #define RECORD_LAYER_clear_first_record(rl) ((rl)->is_first_record = 0)
39 #define DTLS_RECORD_LAYER_get_r_epoch(rl) ((rl)->d->r_epoch)
41 __owur
int ssl3_read_n(SSL
*s
, size_t n
, size_t max
, int extend
, int clearold
,
44 void RECORD_LAYER_set_write_sequence(RECORD_LAYER
*rl
, const unsigned char *ws
);
45 DTLS1_BITMAP
*dtls1_get_bitmap(SSL
*s
, SSL3_RECORD
*rr
,
46 unsigned int *is_next_epoch
);
47 int dtls1_process_buffered_records(SSL
*s
);
48 int dtls1_retrieve_buffered_record(SSL
*s
, record_pqueue
*queue
);
49 int dtls1_buffer_record(SSL
*s
, record_pqueue
*q
, unsigned char *priority
);
50 void ssl3_record_sequence_update(unsigned char *seq
);
52 /* Functions provided by the DTLS1_BITMAP component */
54 int dtls1_record_replay_check(SSL
*s
, DTLS1_BITMAP
*bitmap
);
55 void dtls1_record_bitmap_update(SSL
*s
, DTLS1_BITMAP
*bitmap
);
57 /* Macros/functions provided by the SSL3_BUFFER component */
59 #define SSL3_BUFFER_get_buf(b) ((b)->buf)
60 #define SSL3_BUFFER_set_buf(b, n) ((b)->buf = (n))
61 #define SSL3_BUFFER_get_len(b) ((b)->len)
62 #define SSL3_BUFFER_set_len(b, l) ((b)->len = (l))
63 #define SSL3_BUFFER_get_left(b) ((b)->left)
64 #define SSL3_BUFFER_set_left(b, l) ((b)->left = (l))
65 #define SSL3_BUFFER_sub_left(b, l) ((b)->left -= (l))
66 #define SSL3_BUFFER_get_offset(b) ((b)->offset)
67 #define SSL3_BUFFER_set_offset(b, o) ((b)->offset = (o))
68 #define SSL3_BUFFER_add_offset(b, o) ((b)->offset += (o))
69 #define SSL3_BUFFER_is_initialised(b) ((b)->buf != NULL)
70 #define SSL3_BUFFER_set_default_len(b, l) ((b)->default_len = (l))
72 void SSL3_BUFFER_clear(SSL3_BUFFER
*b
);
73 void SSL3_BUFFER_set_data(SSL3_BUFFER
*b
, const unsigned char *d
, size_t n
);
74 void SSL3_BUFFER_release(SSL3_BUFFER
*b
);
75 __owur
int ssl3_setup_read_buffer(SSL
*s
);
76 __owur
int ssl3_setup_write_buffer(SSL
*s
, size_t numwpipes
, size_t len
);
77 int ssl3_release_read_buffer(SSL
*s
);
78 int ssl3_release_write_buffer(SSL
*s
);
80 /* Macros/functions provided by the SSL3_RECORD component */
82 #define SSL3_RECORD_get_type(r) ((r)->type)
83 #define SSL3_RECORD_set_type(r, t) ((r)->type = (t))
84 #define SSL3_RECORD_get_length(r) ((r)->length)
85 #define SSL3_RECORD_set_length(r, l) ((r)->length = (l))
86 #define SSL3_RECORD_add_length(r, l) ((r)->length += (l))
87 #define SSL3_RECORD_sub_length(r, l) ((r)->length -= (l))
88 #define SSL3_RECORD_get_data(r) ((r)->data)
89 #define SSL3_RECORD_set_data(r, d) ((r)->data = (d))
90 #define SSL3_RECORD_get_input(r) ((r)->input)
91 #define SSL3_RECORD_set_input(r, i) ((r)->input = (i))
92 #define SSL3_RECORD_reset_input(r) ((r)->input = (r)->data)
93 #define SSL3_RECORD_get_seq_num(r) ((r)->seq_num)
94 #define SSL3_RECORD_get_off(r) ((r)->off)
95 #define SSL3_RECORD_set_off(r, o) ((r)->off = (o))
96 #define SSL3_RECORD_add_off(r, o) ((r)->off += (o))
97 #define SSL3_RECORD_get_epoch(r) ((r)->epoch)
98 #define SSL3_RECORD_is_sslv2_record(r) \
99 ((r)->rec_version == SSL2_VERSION)
100 #define SSL3_RECORD_is_read(r) ((r)->read)
101 #define SSL3_RECORD_set_read(r) ((r)->read = 1)
103 void SSL3_RECORD_clear(SSL3_RECORD
*r
, unsigned int num_recs
);
104 void SSL3_RECORD_release(SSL3_RECORD
*r
, unsigned int num_recs
);
105 void SSL3_RECORD_set_seq_num(SSL3_RECORD
*r
, const unsigned char *seq_num
);
106 int ssl3_get_record(SSL
*s
);
107 __owur
int ssl3_do_compress(SSL
*ssl
, SSL3_RECORD
*wr
);
108 __owur
int ssl3_do_uncompress(SSL
*ssl
, SSL3_RECORD
*rr
);
109 void ssl3_cbc_copy_mac(unsigned char *out
,
110 const SSL3_RECORD
*rec
, unsigned md_size
);
111 __owur
int ssl3_cbc_remove_padding(SSL3_RECORD
*rec
,
112 unsigned block_size
, unsigned mac_size
);
113 __owur
int tls1_cbc_remove_padding(const SSL
*s
,
115 unsigned block_size
, unsigned mac_size
);
116 int dtls1_process_record(SSL
*s
, DTLS1_BITMAP
*bitmap
);
117 __owur
int dtls1_get_record(SSL
*s
);