-/* ssl/record/record.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).
+/*
+ * 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
*/
-#include <openssl/pqueue.h>
-
/*****************************************************************************
* *
* These structures should be considered PRIVATE to the record layer. No *
typedef struct ssl3_buffer_st {
/* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */
unsigned char *buf;
+ /* default buffer size (or 0 if no default set) */
+ size_t default_len;
/* buffer size */
size_t len;
/* where to 'copy from' */
- int offset;
+ size_t offset;
/* how many bytes left */
- int left;
+ size_t left;
} SSL3_BUFFER;
#define SEQ_NUM_SIZE 8
/* Record layer version */
/* r */
int rec_version;
-
/* type of record */
/* r */
int type;
-
/* How many bytes available */
/* rw */
- unsigned int length;
-
+ size_t length;
/*
* How many bytes were available before padding was removed? This is used
* to implement the MAC check in constant time for CBC records.
*/
/* rw */
- unsigned int orig_len;
-
+ size_t orig_len;
/* read/write offset into 'buf' */
/* r */
- unsigned int off;
-
+ size_t off;
/* pointer to the record data */
/* rw */
unsigned char *data;
-
/* where the decode bytes are */
/* rw */
unsigned char *input;
-
/* only used with decompression - malloc()ed */
/* r */
unsigned char *comp;
-
+ /* Whether the data from this record has already been read or not */
+ /* r */
+ unsigned int read;
/* epoch number, needed by DTLS1 */
/* r */
unsigned long epoch;
-
/* sequence number, needed by DTLS1 */
/* r */
unsigned char seq_num[SEQ_NUM_SIZE];
typedef struct dtls1_bitmap_st {
/* Track 32 packets on 32-bit systems and 64 - on 64-bit systems */
unsigned long map;
-
/* Max record number seen so far, 64-bit value in big-endian encoding */
unsigned char max_seq_num[SEQ_NUM_SIZE];
} DTLS1_BITMAP;
typedef struct record_pqueue_st {
unsigned short epoch;
- pqueue q;
+ struct pqueue_st *q;
} record_pqueue;
typedef struct dtls1_record_data_st {
unsigned char *packet;
- unsigned int packet_length;
+ size_t packet_length;
SSL3_BUFFER rbuf;
SSL3_RECORD rrec;
-# ifndef OPENSSL_NO_SCTP
+#ifndef OPENSSL_NO_SCTP
struct bio_dgram_sctp_rcvinfo recordinfo;
-# endif
+#endif
} DTLS1_RECORD_DATA;
-
typedef struct dtls_record_layer_st {
/*
* The current data and handshake epoch. This is initially
*/
unsigned short r_epoch;
unsigned short w_epoch;
-
/* records being received in the current epoch */
DTLS1_BITMAP bitmap;
/* renegotiation starts a new set of sequence numbers */
DTLS1_BITMAP next_bitmap;
-
/* Received handshake records (processed and unprocessed) */
record_pqueue unprocessed_rcds;
record_pqueue processed_rcds;
* processed by ssl3_read_bytes:
*/
unsigned char alert_fragment[DTLS1_AL_HEADER_LENGTH];
- unsigned int alert_fragment_len;
+ size_t alert_fragment_len;
unsigned char handshake_fragment[DTLS1_HM_HEADER_LENGTH];
- unsigned int handshake_fragment_len;
-
+ size_t handshake_fragment_len;
/* save last and current sequence numbers for retransmissions */
unsigned char last_write_sequence[8];
unsigned char curr_write_sequence[8];
int read_ahead;
/* where we are when reading */
int rstate;
+ /* How many pipelines can be used to read data */
+ size_t numrpipes;
+ /* How many pipelines can be used to write data */
+ unsigned int numwpipes;
/* read IO goes into here */
SSL3_BUFFER rbuf;
/* write IO goes into here */
- SSL3_BUFFER wbuf;
+ SSL3_BUFFER wbuf[SSL_MAX_PIPELINES];
/* each decoded record goes in here */
- SSL3_RECORD rrec;
- /* goes out from here */
- SSL3_RECORD wrec;
-
+ SSL3_RECORD rrec[SSL_MAX_PIPELINES];
/* used internally to point at a raw packet */
unsigned char *packet;
- unsigned int packet_length;
-
+ size_t packet_length;
/* number of bytes sent so far */
unsigned int wnum;
-
/*
* storage for Alert/Handshake protocol data received but not yet
* processed by ssl3_read_bytes:
*/
unsigned char alert_fragment[2];
- unsigned int alert_fragment_len;
+ size_t alert_fragment_len;
unsigned char handshake_fragment[4];
- unsigned int handshake_fragment_len;
-
+ size_t handshake_fragment_len;
+ /* The number of consecutive empty records we have received */
+ size_t empty_record_count;
/* partial write - check the numbers match */
/* number bytes written */
int wpend_tot;
/* number of bytes submitted */
int wpend_ret;
const unsigned char *wpend_buf;
-
- unsigned char read_sequence[8];
- unsigned char write_sequence[8];
-
+ unsigned char read_sequence[SEQ_NUM_SIZE];
+ unsigned char write_sequence[SEQ_NUM_SIZE];
+ /* Set to true if this is the first record in a connection */
+ unsigned int is_first_record;
+ /* Count of the number of consecutive warning alerts received */
+ unsigned int alert_count;
DTLS_RECORD_LAYER *d;
} RECORD_LAYER;
-
/*****************************************************************************
* *
* The following macros/functions represent the libssl internal API to the *
void RECORD_LAYER_init(RECORD_LAYER *rl, SSL *s);
void RECORD_LAYER_clear(RECORD_LAYER *rl);
void RECORD_LAYER_release(RECORD_LAYER *rl);
-int RECORD_LAYER_read_pending(RECORD_LAYER *rl);
-int RECORD_LAYER_write_pending(RECORD_LAYER *rl);
-int RECORD_LAYER_set_data(RECORD_LAYER *rl, const unsigned char *buf, int len);
-void RECORD_LAYER_dup(RECORD_LAYER *dst, RECORD_LAYER *src);
+int RECORD_LAYER_read_pending(const RECORD_LAYER *rl);
+int RECORD_LAYER_write_pending(const RECORD_LAYER *rl);
+int RECORD_LAYER_set_data(RECORD_LAYER *rl, const unsigned char *buf,
+ size_t len);
void RECORD_LAYER_reset_read_sequence(RECORD_LAYER *rl);
void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl);
-int RECORD_LAYER_setup_comp_buffer(RECORD_LAYER *rl);
int RECORD_LAYER_is_sslv2_record(RECORD_LAYER *rl);
-unsigned int RECORD_LAYER_get_rrec_length(RECORD_LAYER *rl);
+size_t RECORD_LAYER_get_rrec_length(RECORD_LAYER *rl);
__owur int ssl3_pending(const SSL *s);
__owur int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
__owur int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
- unsigned int len, int create_empty_fragment);
-__owur int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
+ unsigned int *pipelens, unsigned int numpipes,
+ int create_empty_fragment);
+__owur int ssl3_read_bytes(SSL *s, int type, int *recvd_type,
+ unsigned char *buf, size_t len, int peek,
+ size_t *read);
__owur int ssl3_setup_buffers(SSL *s);
-__owur int ssl3_enc(SSL *s, int send_data);
-__owur int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
+__owur int ssl3_enc(SSL *s, SSL3_RECORD *inrecs, unsigned int n_recs, int send);
+__owur int n_ssl3_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int send);
__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
- unsigned int len);
-__owur int tls1_enc(SSL *s, int snd);
-__owur int tls1_mac(SSL *ssl, unsigned char *md, int snd);
+ unsigned int len);
+__owur int tls1_enc(SSL *s, SSL3_RECORD *recs, unsigned int n_recs, int send);
+__owur int tls1_mac(SSL *ssl, SSL3_RECORD *rec, unsigned char *md, int send);
int DTLS_RECORD_LAYER_new(RECORD_LAYER *rl);
void DTLS_RECORD_LAYER_free(RECORD_LAYER *rl);
void DTLS_RECORD_LAYER_clear(RECORD_LAYER *rl);
void DTLS_RECORD_LAYER_set_saved_w_epoch(RECORD_LAYER *rl, unsigned short e);
void DTLS_RECORD_LAYER_clear(RECORD_LAYER *rl);
void DTLS_RECORD_LAYER_resync_write(RECORD_LAYER *rl);
-__owur int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
+void DTLS_RECORD_LAYER_set_write_sequence(RECORD_LAYER *rl, unsigned char *seq);
+__owur int dtls1_read_bytes(SSL *s, int type, int *recvd_type,
+ unsigned char *buf, size_t len, int peek,
+ size_t *read);
__owur int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
__owur int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
- unsigned int len, int create_empty_fragement);
+ unsigned int len, int create_empty_fragement);
void dtls1_reset_seq_numbers(SSL *s, int rw);
-
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