/* 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_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) 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(const SSL *s, 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);