early-access version 2698
This commit is contained in:
pineappleEA
222
externals/libressl/ssl/dtls_locl.h
vendored
Executable file
222
externals/libressl/ssl/dtls_locl.h
vendored
Executable file
@@ -0,0 +1,222 @@
|
||||
/* $OpenBSD: dtls_locl.h,v 1.10 2021/10/23 13:45:44 jsing Exp $ */
|
||||
/*
|
||||
* DTLS implementation written by Nagendra Modadugu
|
||||
* (nagendra@cs.stanford.edu) for the OpenSSL project 2005.
|
||||
*/
|
||||
/* ====================================================================
|
||||
* Copyright (c) 1999-2005 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).
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef HEADER_DTLS_LOCL_H
|
||||
#define HEADER_DTLS_LOCL_H
|
||||
|
||||
#include <sys/time.h>
|
||||
|
||||
#include <openssl/dtls1.h>
|
||||
|
||||
#include "ssl_locl.h"
|
||||
|
||||
__BEGIN_HIDDEN_DECLS
|
||||
|
||||
typedef struct dtls1_bitmap_st {
|
||||
unsigned long map; /* track 32 packets on 32-bit systems
|
||||
and 64 - on 64-bit systems */
|
||||
unsigned char max_seq_num[8]; /* max record number seen so far,
|
||||
64-bit value in big-endian
|
||||
encoding */
|
||||
} DTLS1_BITMAP;
|
||||
|
||||
struct dtls1_retransmit_state {
|
||||
SSL_SESSION *session;
|
||||
unsigned short epoch;
|
||||
};
|
||||
|
||||
struct hm_header_st {
|
||||
unsigned char type;
|
||||
unsigned long msg_len;
|
||||
unsigned short seq;
|
||||
unsigned long frag_off;
|
||||
unsigned long frag_len;
|
||||
unsigned int is_ccs;
|
||||
struct dtls1_retransmit_state saved_retransmit_state;
|
||||
};
|
||||
|
||||
struct dtls1_timeout_st {
|
||||
/* Number of read timeouts so far */
|
||||
unsigned int read_timeouts;
|
||||
|
||||
/* Number of write timeouts so far */
|
||||
unsigned int write_timeouts;
|
||||
|
||||
/* Number of alerts received so far */
|
||||
unsigned int num_alerts;
|
||||
};
|
||||
|
||||
struct _pqueue;
|
||||
|
||||
typedef struct record_pqueue_st {
|
||||
unsigned short epoch;
|
||||
struct _pqueue *q;
|
||||
} record_pqueue;
|
||||
|
||||
typedef struct hm_fragment_st {
|
||||
struct hm_header_st msg_header;
|
||||
unsigned char *fragment;
|
||||
unsigned char *reassembly;
|
||||
} hm_fragment;
|
||||
|
||||
typedef struct dtls1_record_data_internal_st {
|
||||
unsigned char *packet;
|
||||
unsigned int packet_length;
|
||||
SSL3_BUFFER_INTERNAL rbuf;
|
||||
SSL3_RECORD_INTERNAL rrec;
|
||||
} DTLS1_RECORD_DATA_INTERNAL;
|
||||
|
||||
struct dtls1_state_st {
|
||||
/* Buffered (sent) handshake records */
|
||||
struct _pqueue *sent_messages;
|
||||
|
||||
/* Indicates when the last handshake msg or heartbeat sent will timeout */
|
||||
struct timeval next_timeout;
|
||||
|
||||
/* Timeout duration */
|
||||
unsigned short timeout_duration;
|
||||
|
||||
unsigned int send_cookie;
|
||||
unsigned char cookie[DTLS1_COOKIE_LENGTH];
|
||||
unsigned char rcvd_cookie[DTLS1_COOKIE_LENGTH];
|
||||
unsigned int cookie_len;
|
||||
|
||||
/* records being received in the current epoch */
|
||||
DTLS1_BITMAP bitmap;
|
||||
|
||||
/* renegotiation starts a new set of sequence numbers */
|
||||
DTLS1_BITMAP next_bitmap;
|
||||
|
||||
/* handshake message numbers */
|
||||
unsigned short handshake_write_seq;
|
||||
unsigned short next_handshake_write_seq;
|
||||
|
||||
unsigned short handshake_read_seq;
|
||||
|
||||
/* Received handshake records (unprocessed) */
|
||||
record_pqueue unprocessed_rcds;
|
||||
|
||||
/* Buffered handshake messages */
|
||||
struct _pqueue *buffered_messages;
|
||||
|
||||
/* Buffered application records.
|
||||
* Only for records between CCS and Finished
|
||||
* to prevent either protocol violation or
|
||||
* unnecessary message loss.
|
||||
*/
|
||||
record_pqueue buffered_app_data;
|
||||
|
||||
/* Is set when listening for new connections with dtls1_listen() */
|
||||
unsigned int listen;
|
||||
|
||||
unsigned int mtu; /* max DTLS packet size */
|
||||
|
||||
struct hm_header_st w_msg_hdr;
|
||||
struct hm_header_st r_msg_hdr;
|
||||
|
||||
struct dtls1_timeout_st timeout;
|
||||
|
||||
unsigned int retransmitting;
|
||||
unsigned int change_cipher_spec_ok;
|
||||
};
|
||||
|
||||
int dtls1_do_write(SSL *s, int type);
|
||||
int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
|
||||
void dtls1_set_message_header(SSL *s, unsigned char mt, unsigned long len,
|
||||
unsigned long frag_off, unsigned long frag_len);
|
||||
void dtls1_set_message_header_int(SSL *s, unsigned char mt,
|
||||
unsigned long len, unsigned short seq_num, unsigned long frag_off,
|
||||
unsigned long frag_len);
|
||||
|
||||
int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
|
||||
unsigned int len);
|
||||
|
||||
int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
|
||||
int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
|
||||
|
||||
int dtls1_read_failed(SSL *s, int code);
|
||||
int dtls1_buffer_message(SSL *s, int ccs);
|
||||
int dtls1_retransmit_message(SSL *s, unsigned short seq,
|
||||
unsigned long frag_off, int *found);
|
||||
int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
|
||||
int dtls1_retransmit_buffered_messages(SSL *s);
|
||||
void dtls1_clear_record_buffer(SSL *s);
|
||||
int dtls1_get_message_header(CBS *header, struct hm_header_st *msg_hdr);
|
||||
void dtls1_reset_read_seq_numbers(SSL *s);
|
||||
struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft);
|
||||
int dtls1_check_timeout_num(SSL *s);
|
||||
int dtls1_handle_timeout(SSL *s);
|
||||
const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
|
||||
void dtls1_start_timer(SSL *s);
|
||||
void dtls1_stop_timer(SSL *s);
|
||||
int dtls1_is_timer_expired(SSL *s);
|
||||
void dtls1_double_timeout(SSL *s);
|
||||
unsigned int dtls1_min_mtu(void);
|
||||
|
||||
int dtls1_new(SSL *s);
|
||||
void dtls1_free(SSL *s);
|
||||
void dtls1_clear(SSL *s);
|
||||
long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
|
||||
|
||||
int dtls1_get_message(SSL *s, int st1, int stn, int mt, long max);
|
||||
int dtls1_get_record(SSL *s);
|
||||
|
||||
__END_HIDDEN_DECLS
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user