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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
cast.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_CAST_H
# define OPENSSL_CAST_H
# pragma once

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

# include <openssl/opensslconf.h>

# ifndef OPENSSL_NO_CAST
# ifdef  __cplusplus
extern "C" {
# endif

# define CAST_BLOCK      8
# define CAST_KEY_LENGTH 16

# ifndef OPENSSL_NO_DEPRECATED_3_0

#  define CAST_ENCRYPT    1
#  define CAST_DECRYPT    0

#  define CAST_LONG unsigned int

typedef struct cast_key_st {
    CAST_LONG data[32];
    int short_key;              /* Use reduced rounds for short key */
} CAST_KEY;

# endif /* OPENSSL_NO_DEPRECATED_3_0 */
# ifndef OPENSSL_NO_DEPRECATED_3_0
OSSL_DEPRECATEDIN_3_0
void CAST_set_key(CAST_KEY *key, int len, const unsigned char *data);
OSSL_DEPRECATEDIN_3_0
void CAST_ecb_encrypt(const unsigned char *in, unsigned char *out,
                      const CAST_KEY *key, int enc);
OSSL_DEPRECATEDIN_3_0
void CAST_encrypt(CAST_LONG *data, const CAST_KEY *key);
OSSL_DEPRECATEDIN_3_0
void CAST_decrypt(CAST_LONG *data, const CAST_KEY *key);
OSSL_DEPRECATEDIN_3_0
void CAST_cbc_encrypt(const unsigned char *in, unsigned char *out,
                      long length, const CAST_KEY *ks, unsigned char *iv,
                      int enc);
OSSL_DEPRECATEDIN_3_0
void CAST_cfb64_encrypt(const unsigned char *in, unsigned char *out,
                        long length, const CAST_KEY *schedule,
                        unsigned char *ivec, int *num, int enc);
OSSL_DEPRECATEDIN_3_0
void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
                        long length, const CAST_KEY *schedule,
                        unsigned char *ivec, int *num);
# endif

# ifdef  __cplusplus
}
# endif
# endif

#endif
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