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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) DIGITEO - 2011 - Allan CORNET
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
/*---------------------------------------------------------------------------*/
#include <windows.h>
#include <Dbghelp.h>
#include "dllinfo.h"
/*---------------------------------------------------------------------------*/
#pragma comment(lib,"Dbghelp.lib")
/*---------------------------------------------------------------------------*/
static PIMAGE_NT_HEADERS getPEHeader(const wchar_t *dllfilename);
/*---------------------------------------------------------------------------*/
BOOL isDll(const char *dllfilename)
{
if (dllfilename)
{
wchar_t *wcfilename = to_wide_string(dllfilename);
if (wcfilename)
{
BOOL bRes = isDllW(wcfilename);
FREE(wcfilename);
return bRes;
}
}
return FALSE;
}
/*---------------------------------------------------------------------------*/
BOOL isX64Dll(const char *dllfilename)
{
if (dllfilename)
{
wchar_t *wcfilename = to_wide_string(dllfilename);
if (wcfilename)
{
BOOL bRes = isX64DllW(wcfilename);
FREE(wcfilename);
return bRes;
}
}
return FALSE;
}
/*---------------------------------------------------------------------------*/
BOOL isX86Dll(const char *dllfilename)
{
if (dllfilename)
{
wchar_t *wcfilename = to_wide_string(dllfilename);
if (wcfilename)
{
BOOL bRes = isX86DllW(wcfilename);
FREE(wcfilename);
return bRes;
}
}
return FALSE;
}
/*---------------------------------------------------------------------------*/
BOOL isDllW(const wchar_t *dllfilename)
{
PIMAGE_NT_HEADERS peHeader = getPEHeader(dllfilename);
if (peHeader)
{
return ((peHeader->FileHeader.Characteristics & IMAGE_FILE_DLL) == IMAGE_FILE_DLL);
}
return FALSE;
}
/*---------------------------------------------------------------------------*/
BOOL isX64DllW(const wchar_t *dllfilename)
{
PIMAGE_NT_HEADERS peHeader = getPEHeader(dllfilename);
if (peHeader)
{
return ((peHeader->FileHeader.Machine & IMAGE_FILE_MACHINE_AMD64) == IMAGE_FILE_MACHINE_AMD64);
}
return FALSE;
}
/*---------------------------------------------------------------------------*/
BOOL isX86DllW(const wchar_t *dllfilename)
{
PIMAGE_NT_HEADERS peHeader = getPEHeader(dllfilename);
if (peHeader)
{
return ((peHeader->FileHeader.Machine & IMAGE_FILE_MACHINE_I386) == IMAGE_FILE_MACHINE_I386);
}
return FALSE;
}
/*---------------------------------------------------------------------------*/
static PIMAGE_NT_HEADERS getPEHeader(const wchar_t *dllfilename)
{
HANDLE hMap = INVALID_HANDLE_VALUE;
HANDLE hFile = INVALID_HANDLE_VALUE;
void* mapAddr = NULL;
PIMAGE_NT_HEADERS peHdr = NULL;
hFile = CreateFileW(dllfilename,
GENERIC_READ,
FILE_SHARE_READ,
NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, (HANDLE)NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
return NULL;
}
hMap = CreateFileMapping(hFile,
NULL, // security attrs
PAGE_READONLY, // protection flags
0, // max size - high DWORD
0, // max size - low DWORD
NULL ); // mapping name - not used
if (hMap == INVALID_HANDLE_VALUE)
{
CloseHandle(hFile);
hFile = INVALID_HANDLE_VALUE;
return NULL;
}
// next, map the file to our address space
mapAddr = MapViewOfFileEx(
hMap, // mapping object
FILE_MAP_READ, // desired access
0,
0,
0,
NULL ); // suggested map addr
if (mapAddr == NULL)
{
CloseHandle(hMap);
CloseHandle(hFile);
hFile = INVALID_HANDLE_VALUE;
hMap = INVALID_HANDLE_VALUE;
return NULL;
}
peHdr = ImageNtHeader( mapAddr );
if (peHdr)
{
if (peHdr->FileHeader.SizeOfOptionalHeader == 0)
{
peHdr = NULL;
}
}
CloseHandle(hMap);
CloseHandle(hFile);
hFile = INVALID_HANDLE_VALUE;
hMap = INVALID_HANDLE_VALUE;
return peHdr;
}
/*---------------------------------------------------------------------------*/
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