/* * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ /***************************************************************************** * * * The following macros/functions are PRIVATE to the record layer. They * * should NOT be used outside of the record layer. * * * *****************************************************************************/ #define MAX_WARN_ALERT_COUNT 5 /* 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_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 RECORD_LAYER_get_numrpipes(rl) ((rl)->numrpipes) #define RECORD_LAYER_set_numrpipes(rl, n) ((rl)->numrpipes = (n)) #define RECORD_LAYER_inc_empty_record_count(rl) ((rl)->empty_record_count++) #define RECORD_LAYER_reset_empty_record_count(rl) \ ((rl)->empty_record_count = 0) #define RECORD_LAYER_get_empty_record_count(rl) ((rl)->empty_record_count) #define RECORD_LAYER_is_first_record(rl) ((rl)->is_first_record) #define RECORD_LAYER_set_first_record(rl) ((rl)->is_first_record = 1) #define RECORD_LAYER_clear_first_record(rl) ((rl)->is_first_record = 0) #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, int clearold); 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) #define SSL3_BUFFER_set_default_len(b, l) ((b)->default_len = (l)) 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, unsigned int numwpipes, size_t len); 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_sub_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) #define SSL3_RECORD_is_read(r) ((r)->read) #define SSL3_RECORD_set_read(r) ((r)->read = 1) void SSL3_RECORD_clear(SSL3_RECORD *r, unsigned int num_recs); void SSL3_RECORD_release(SSL3_RECORD *r, unsigned int num_recs); 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, SSL3_RECORD *wr); __owur int ssl3_do_uncompress(SSL *ssl, SSL3_RECORD *rr); 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, DTLS1_BITMAP *bitmap); __owur int dtls1_get_record(SSL *s);