Sweden-Number/dlls/imagehlp/access.c

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/*
* IMAGEHLP library
*
* Copyright 1998 Patrik Stridvall
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "winternl.h"
#include "winerror.h"
#include "wine/debug.h"
#include "imagehlp.h"
WINE_DEFAULT_DEBUG_CHANNEL(imagehlp);
/***********************************************************************
* Data
*/
static PLOADED_IMAGE IMAGEHLP_pFirstLoadedImage=NULL;
static PLOADED_IMAGE IMAGEHLP_pLastLoadedImage=NULL;
static LOADED_IMAGE IMAGEHLP_EmptyLoadedImage = {
NULL, /* ModuleName */
0, /* hFile */
NULL, /* MappedAddress */
NULL, /* FileHeader */
NULL, /* LastRvaSection */
0, /* NumberOfSections */
NULL, /* Sections */
1, /* Characteristics */
FALSE, /* fSystemImage */
FALSE, /* fDOSImage */
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FALSE, /* fReadOnly */
0, /* Version */
{ &IMAGEHLP_EmptyLoadedImage.Links, &IMAGEHLP_EmptyLoadedImage.Links }, /* Links */
148, /* SizeOfImage; */
};
extern HANDLE IMAGEHLP_hHeap;
/***********************************************************************
* GetImageConfigInformation (IMAGEHLP.@)
*/
BOOL WINAPI GetImageConfigInformation(
PLOADED_IMAGE LoadedImage,
PIMAGE_LOAD_CONFIG_DIRECTORY ImageConfigInformation)
{
FIXME("(%p, %p): stub\n",
LoadedImage, ImageConfigInformation
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* GetImageUnusedHeaderBytes (IMAGEHLP.@)
*/
DWORD WINAPI GetImageUnusedHeaderBytes(
PLOADED_IMAGE LoadedImage,
LPDWORD SizeUnusedHeaderBytes)
{
FIXME("(%p, %p): stub\n",
LoadedImage, SizeUnusedHeaderBytes
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return 0;
}
/***********************************************************************
* ImageLoad (IMAGEHLP.@)
*/
PLOADED_IMAGE WINAPI ImageLoad(PCSTR DllName, PCSTR DllPath)
{
PLOADED_IMAGE pLoadedImage;
FIXME("(%s, %s): stub\n", DllName, DllPath);
pLoadedImage = HeapAlloc(IMAGEHLP_hHeap, 0, sizeof(LOADED_IMAGE));
if (pLoadedImage)
pLoadedImage->FileHeader = HeapAlloc(IMAGEHLP_hHeap, 0, sizeof(IMAGE_NT_HEADERS));
return pLoadedImage;
}
/***********************************************************************
* ImageUnload (IMAGEHLP.@)
*/
BOOL WINAPI ImageUnload(PLOADED_IMAGE pLoadedImage)
{
LIST_ENTRY *pCurrent, *pFind;
TRACE("(%p)\n", pLoadedImage);
if(!IMAGEHLP_pFirstLoadedImage || !pLoadedImage)
{
/* No image loaded or null pointer */
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
pFind=&pLoadedImage->Links;
pCurrent=&IMAGEHLP_pFirstLoadedImage->Links;
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while((pCurrent != pFind) &&
(pCurrent != NULL))
pCurrent = pCurrent->Flink;
if(!pCurrent)
{
/* Not found */
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if(pCurrent->Blink)
pCurrent->Blink->Flink = pCurrent->Flink;
else
IMAGEHLP_pFirstLoadedImage = pCurrent->Flink?CONTAINING_RECORD(
pCurrent->Flink, LOADED_IMAGE, Links):NULL;
if(pCurrent->Flink)
pCurrent->Flink->Blink = pCurrent->Blink;
else
IMAGEHLP_pLastLoadedImage = pCurrent->Blink?CONTAINING_RECORD(
pCurrent->Blink, LOADED_IMAGE, Links):NULL;
return FALSE;
}
/***********************************************************************
* MapAndLoad (IMAGEHLP.@)
*/
BOOL WINAPI MapAndLoad(PCSTR pszImageName, PCSTR pszDllPath, PLOADED_IMAGE pLoadedImage,
BOOL bDotDll, BOOL bReadOnly)
{
CHAR szFileName[MAX_PATH];
HANDLE hFile = INVALID_HANDLE_VALUE;
HANDLE hFileMapping = NULL;
PVOID mapping = NULL;
PIMAGE_NT_HEADERS pNtHeader = NULL;
TRACE("(%s, %s, %p, %d, %d)\n",
pszImageName, pszDllPath, pLoadedImage, bDotDll, bReadOnly);
if (!SearchPathA(pszDllPath, pszImageName, bDotDll ? ".DLL" : ".EXE",
sizeof(szFileName), szFileName, NULL))
{
SetLastError(ERROR_FILE_NOT_FOUND);
goto Error;
}
hFile = CreateFileA(szFileName,
GENERIC_READ | (bReadOnly ? 0 : GENERIC_WRITE),
FILE_SHARE_READ,
NULL, OPEN_EXISTING, 0, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
WARN("CreateFile: Error = %d\n", GetLastError());
goto Error;
}
hFileMapping = CreateFileMappingA(hFile, NULL,
(bReadOnly ? PAGE_READONLY : PAGE_READWRITE) | SEC_COMMIT,
0, 0, NULL);
if (!hFileMapping)
{
WARN("CreateFileMapping: Error = %d\n", GetLastError());
goto Error;
}
mapping = MapViewOfFile(hFileMapping, bReadOnly ? FILE_MAP_READ : FILE_MAP_WRITE, 0, 0, 0);
CloseHandle(hFileMapping);
if (!mapping)
{
WARN("MapViewOfFile: Error = %d\n", GetLastError());
goto Error;
}
if (!(pNtHeader = RtlImageNtHeader(mapping)))
{
WARN("Not an NT header\n");
UnmapViewOfFile(mapping);
goto Error;
}
pLoadedImage->ModuleName = HeapAlloc(GetProcessHeap(), 0,
strlen(szFileName) + 1);
if (pLoadedImage->ModuleName) strcpy(pLoadedImage->ModuleName, szFileName);
pLoadedImage->hFile = hFile;
pLoadedImage->MappedAddress = mapping;
pLoadedImage->FileHeader = pNtHeader;
pLoadedImage->Sections = (PIMAGE_SECTION_HEADER)
((LPBYTE) &pNtHeader->OptionalHeader +
pNtHeader->FileHeader.SizeOfOptionalHeader);
pLoadedImage->NumberOfSections = pNtHeader->FileHeader.NumberOfSections;
pLoadedImage->SizeOfImage = GetFileSize(hFile, NULL);
pLoadedImage->Characteristics = pNtHeader->FileHeader.Characteristics;
pLoadedImage->LastRvaSection = pLoadedImage->Sections;
pLoadedImage->fSystemImage = FALSE; /* FIXME */
pLoadedImage->fDOSImage = FALSE; /* FIXME */
pLoadedImage->Links.Flink = &pLoadedImage->Links;
pLoadedImage->Links.Blink = &pLoadedImage->Links;
return TRUE;
Error:
if (hFile != INVALID_HANDLE_VALUE) CloseHandle(hFile);
return FALSE;
}
/***********************************************************************
* SetImageConfigInformation (IMAGEHLP.@)
*/
BOOL WINAPI SetImageConfigInformation(
PLOADED_IMAGE LoadedImage,
PIMAGE_LOAD_CONFIG_DIRECTORY ImageConfigInformation)
{
FIXME("(%p, %p): stub\n",
LoadedImage, ImageConfigInformation
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* UnMapAndLoad (IMAGEHLP.@)
*/
BOOL WINAPI UnMapAndLoad(PLOADED_IMAGE pLoadedImage)
{
HeapFree(GetProcessHeap(), 0, pLoadedImage->ModuleName);
/* FIXME: MSDN states that a new checksum is computed and stored into the file */
if (pLoadedImage->MappedAddress) UnmapViewOfFile(pLoadedImage->MappedAddress);
if (pLoadedImage->hFile != INVALID_HANDLE_VALUE) CloseHandle(pLoadedImage->hFile);
return TRUE;
}