| /* |
| * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the Apache License 2.0 (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_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, size_t n, size_t max, int extend, int clearold, |
| size_t *readbytes); |
| |
| 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_sub_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)) |
| #define SSL3_BUFFER_set_app_buffer(b, l) ((b)->app_buffer = (l)) |
| #define SSL3_BUFFER_is_app_buffer(b) ((b)->app_buffer) |
| |
| void SSL3_BUFFER_clear(SSL3_BUFFER *b); |
| void SSL3_BUFFER_set_data(SSL3_BUFFER *b, const unsigned char *d, size_t n); |
| void SSL3_BUFFER_release(SSL3_BUFFER *b); |
| __owur int ssl3_setup_read_buffer(SSL *s); |
| __owur int ssl3_setup_write_buffer(SSL *s, size_t 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_set_rec_version(r, v) ((r)->rec_version = (v)) |
| #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_reset_data(r) ((r)->data = (r)->input) |
| #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, size_t); |
| void SSL3_RECORD_release(SSL3_RECORD *r, size_t 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); |
| __owur int ssl3_cbc_remove_padding_and_mac(size_t *reclen, |
| size_t origreclen, |
| unsigned char *recdata, |
| unsigned char **mac, |
| int *alloced, |
| size_t block_size, size_t mac_size, |
| OSSL_LIB_CTX *libctx); |
| __owur int tls1_cbc_remove_padding_and_mac(size_t *reclen, |
| size_t origreclen, |
| unsigned char *recdata, |
| unsigned char **mac, |
| int *alloced, |
| size_t block_size, size_t mac_size, |
| int aead, |
| OSSL_LIB_CTX *libctx); |
| int dtls1_process_record(SSL *s, DTLS1_BITMAP *bitmap); |
| __owur int dtls1_get_record(SSL *s); |
| int early_data_count_ok(SSL *s, size_t length, size_t overhead, int send); |