denyhosts/clamscan/libclamav/iowrap.c

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2022-10-22 18:41:00 +08:00
/*
* Copyright (C) 2013-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
* Copyright (C) 2012-2013 Sourcefire, Inc.
*
* Authors: Dave Raynor
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*
*/
#include "iowrap.h"
#include <string.h>
#ifdef _WIN32
#include <windows.h>
#include <excpt.h>
#ifndef STATUS_DEVICE_DATA_ERROR
#define STATUS_DEVICE_DATA_ERROR 0xC000009C
#endif
#endif
#ifdef _WIN32
int filter_memcpy(unsigned int code, struct _EXCEPTION_POINTERS *ep)
{
if ((code == EXCEPTION_IN_PAGE_ERROR) || (code == STATUS_DEVICE_DATA_ERROR)) {
return EXCEPTION_EXECUTE_HANDLER;
}
return EXCEPTION_CONTINUE_SEARCH;
}
#endif
int cli_memcpy(void *target, const void *source, unsigned long size)
{
int ret = 0;
#ifdef _WIN32
__try {
#endif
memcpy(target, source, size);
#ifdef _WIN32
} __except (filter_memcpy(GetExceptionCode(), GetExceptionInformation())) {
ret = 1;
}
#endif
return ret;
}