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-rw-r--r--deps/openssl/openssl/include/openssl/dtls1.h272
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diff --git a/deps/openssl/openssl/include/openssl/dtls1.h b/deps/openssl/openssl/include/openssl/dtls1.h
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--- a/deps/openssl/openssl/include/openssl/dtls1.h
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-/* ssl/dtls1.h */
-/*
- * 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_DTLS1_H
-# define HEADER_DTLS1_H
-
-# include <openssl/buffer.h>
-# include <openssl/pqueue.h>
-# ifdef OPENSSL_SYS_VMS
-# include <resource.h>
-# include <sys/timeb.h>
-# endif
-# ifdef OPENSSL_SYS_WIN32
-/* Needed for struct timeval */
-# include <winsock.h>
-# elif defined(OPENSSL_SYS_NETWARE) && !defined(_WINSOCK2API_)
-# include <sys/timeval.h>
-# else
-# if defined(OPENSSL_SYS_VXWORKS)
-# include <sys/times.h>
-# else
-# include <sys/time.h>
-# endif
-# endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-# define DTLS1_VERSION 0xFEFF
-# define DTLS1_2_VERSION 0xFEFD
-# define DTLS_MAX_VERSION DTLS1_2_VERSION
-# define DTLS1_VERSION_MAJOR 0xFE
-
-# define DTLS1_BAD_VER 0x0100
-
-/* Special value for method supporting multiple versions */
-# define DTLS_ANY_VERSION 0x1FFFF
-
-# if 0
-/* this alert description is not specified anywhere... */
-# define DTLS1_AD_MISSING_HANDSHAKE_MESSAGE 110
-# endif
-
-/* lengths of messages */
-# define DTLS1_COOKIE_LENGTH 256
-
-# define DTLS1_RT_HEADER_LENGTH 13
-
-# define DTLS1_HM_HEADER_LENGTH 12
-
-# define DTLS1_HM_BAD_FRAGMENT -2
-# define DTLS1_HM_FRAGMENT_RETRY -3
-
-# define DTLS1_CCS_HEADER_LENGTH 1
-
-# ifdef DTLS1_AD_MISSING_HANDSHAKE_MESSAGE
-# define DTLS1_AL_HEADER_LENGTH 7
-# else
-# define DTLS1_AL_HEADER_LENGTH 2
-# endif
-
-# ifndef OPENSSL_NO_SSL_INTERN
-
-# ifndef OPENSSL_NO_SCTP
-# define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
-# endif
-
-/* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
-# define DTLS1_MAX_MTU_OVERHEAD 48
-
-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 {
- EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */
- EVP_MD_CTX *write_hash; /* used for mac generation */
-# ifndef OPENSSL_NO_COMP
- COMP_CTX *compress; /* compression */
-# else
- char *compress;
-# endif
- 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 ccs_header_st {
- unsigned char type;
- unsigned short seq;
-};
-
-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;
-};
-
-typedef struct record_pqueue_st {
- unsigned short epoch;
- 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_state_st {
- unsigned int send_cookie;
- unsigned char cookie[DTLS1_COOKIE_LENGTH];
- unsigned char rcvd_cookie[DTLS1_COOKIE_LENGTH];
- unsigned int cookie_len;
- /*
- * The current data and handshake epoch. This is initially
- * undefined, and starts at zero once the initial handshake is
- * completed
- */
- 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;
- /* handshake message numbers */
- unsigned short handshake_write_seq;
- unsigned short next_handshake_write_seq;
- unsigned short handshake_read_seq;
- /* save last sequence number for retransmissions */
- unsigned char last_write_sequence[8];
- /* Received handshake records (processed and unprocessed) */
- record_pqueue unprocessed_rcds;
- record_pqueue processed_rcds;
- /* Buffered handshake messages */
- pqueue buffered_messages;
- /* Buffered (sent) handshake records */
- pqueue sent_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 link_mtu; /* max on-the-wire DTLS packet size */
- 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;
- /*
- * Indicates when the last handshake msg or heartbeat sent will timeout
- */
- struct timeval next_timeout;
- /* Timeout duration */
- unsigned short timeout_duration;
- /*
- * storage for Alert/Handshake protocol data received but not yet
- * processed by ssl3_read_bytes:
- */
- unsigned char alert_fragment[DTLS1_AL_HEADER_LENGTH];
- unsigned int alert_fragment_len;
- unsigned char handshake_fragment[DTLS1_HM_HEADER_LENGTH];
- unsigned int handshake_fragment_len;
- unsigned int retransmitting;
- /*
- * Set when the handshake is ready to process peer's ChangeCipherSpec message.
- * Cleared after the message has been processed.
- */
- unsigned int change_cipher_spec_ok;
-# ifndef OPENSSL_NO_SCTP
- /* used when SSL_ST_XX_FLUSH is entered */
- int next_state;
- int shutdown_received;
-# endif
-} DTLS1_STATE;
-
-typedef struct dtls1_record_data_st {
- unsigned char *packet;
- unsigned int packet_length;
- SSL3_BUFFER rbuf;
- SSL3_RECORD rrec;
-# ifndef OPENSSL_NO_SCTP
- struct bio_dgram_sctp_rcvinfo recordinfo;
-# endif
-} DTLS1_RECORD_DATA;
-
-# endif
-
-/* Timeout multipliers (timeout slice is defined in apps/timeouts.h */
-# define DTLS1_TMO_READ_COUNT 2
-# define DTLS1_TMO_WRITE_COUNT 2
-
-# define DTLS1_TMO_ALERT_COUNT 12
-
-#ifdef __cplusplus
-}
-#endif
-#endif
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