IABSD.fr/src/lib/libssl/dtls1.h

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• Author : jsing
  Date : 2021-05-16 13:56:30
  Hash : 4b0cebd1
  Message : Move DTLS structs/definitions/prototypes to dtls_locl.h. Now that the DTLS structs are opaque, add a dtls_locl.h header and move internal-only structs from dtls1.h, along with prototypes from ssl_locl.h. Only pull this header in where DTLS code actually exists. ok inoguchi@ tb@

• lib/libssl/dtls1.h

• /* $OpenBSD: dtls1.h,v 1.27 2021/05/16 13:56:30 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_DTLS1_H
  #define HEADER_DTLS1_H
  
  #include <sys/time.h>
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  
  #include <openssl/opensslconf.h>
  #include <openssl/buffer.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  #define DTLS1_VERSION			0xFEFF
  #define DTLS1_2_VERSION			0xFEFD
  #define DTLS1_VERSION_MAJOR		0xFE
  
  /* 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
  
  #define DTLS1_AL_HEADER_LENGTH                   2
  
  /* 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