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Revision 098f27f9ef8be2a418f76896ee3c824e8709fcf7 authored by Matt Caswell on 17 October 2023, 13:55:48 UTC, committed by Tomas Mraz on 19 October 2023, 09:54:44 UTC
Ignore ping deadline when calculating tick deadline if we can't send
If the CC TX allowance is zero then we cannot send a PING frame at the
moment, so do not take into account the ping deadline when calculating the
tick deadline in that case.

This avoids the hang found by the fuzzer mentioned in
https://github.com/openssl/openssl/pull/22368#issuecomment-1765131727

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22410)
1 parent 56e3032
Raw File
md4.h
/*
 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (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
 */

#ifndef OPENSSL_MD4_H
# define OPENSSL_MD4_H
# pragma once

# include <openssl/macros.h>
# ifndef OPENSSL_NO_DEPRECATED_3_0
#  define HEADER_MD4_H
# endif

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_MD4
#  include <openssl/e_os2.h>
#  include <stddef.h>
#  ifdef  __cplusplus
extern "C" {
#   endif

#  define MD4_DIGEST_LENGTH 16

#  if !defined(OPENSSL_NO_DEPRECATED_3_0)

/*-
 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 * ! MD4_LONG has to be at least 32 bits wide.                     !
 * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 */
#   define MD4_LONG unsigned int

#   define MD4_CBLOCK      64
#   define MD4_LBLOCK      (MD4_CBLOCK/4)

typedef struct MD4state_st {
    MD4_LONG A, B, C, D;
    MD4_LONG Nl, Nh;
    MD4_LONG data[MD4_LBLOCK];
    unsigned int num;
} MD4_CTX;
#  endif
#  ifndef OPENSSL_NO_DEPRECATED_3_0
OSSL_DEPRECATEDIN_3_0 int MD4_Init(MD4_CTX *c);
OSSL_DEPRECATEDIN_3_0 int MD4_Update(MD4_CTX *c, const void *data, size_t len);
OSSL_DEPRECATEDIN_3_0 int MD4_Final(unsigned char *md, MD4_CTX *c);
OSSL_DEPRECATEDIN_3_0 unsigned char *MD4(const unsigned char *d, size_t n,
                                         unsigned char *md);
OSSL_DEPRECATEDIN_3_0 void MD4_Transform(MD4_CTX *c, const unsigned char *b);
#  endif

#  ifdef  __cplusplus
}
#  endif
# endif

#endif
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