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reactos/dll/win32/imagehlp/modify.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 "precomp.h"
#include <wine/exception.h>
#include <wine/winternl.h>
static WORD CalcCheckSum(DWORD StartValue, LPVOID BaseAddress, DWORD WordCount);
/***********************************************************************
* BindImage (IMAGEHLP.@)
*
* NOTES
* See BindImageEx
*/
BOOL WINAPI BindImage(
PCSTR ImageName, PCSTR DllPath, PCSTR SymbolPath)
{
return BindImageEx(0, ImageName, DllPath, SymbolPath, NULL);
}
/***********************************************************************
* BindImageEx (IMAGEHLP.@)
*
* Compute the virtual address of each function imported by a PE image
*
* PARAMS
*
* Flags [in] Bind options
* ImageName [in] File name of the image to be bound
* DllPath [in] Root of the fallback search path in case the ImageName file cannot be opened
* SymbolPath [in] Symbol file root search path
* StatusRoutine [in] Pointer to a status routine which will be called during the binding process
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* NOTES
* Binding is not implemented yet, so far this function only enumerates
* all imported dlls/functions and returns TRUE.
*/
BOOL WINAPI BindImageEx(
DWORD Flags, PCSTR ImageName, PCSTR DllPath, PCSTR SymbolPath,
PIMAGEHLP_STATUS_ROUTINE StatusRoutine)
{
LOADED_IMAGE loaded_image;
const IMAGE_IMPORT_DESCRIPTOR *import_desc;
ULONG size;
FIXME("(%d, %s, %s, %s, %p): semi-stub\n",
Flags, debugstr_a(ImageName), debugstr_a(DllPath),
debugstr_a(SymbolPath), StatusRoutine
);
if (!(MapAndLoad(ImageName, DllPath, &loaded_image, TRUE, TRUE))) return FALSE;
if (!(import_desc = RtlImageDirectoryEntryToData((HMODULE)loaded_image.MappedAddress, FALSE,
IMAGE_DIRECTORY_ENTRY_IMPORT, &size)))
{
UnMapAndLoad(&loaded_image);
return TRUE; /* No imported modules means nothing to bind, so we're done. */
}
/* FIXME: Does native imagehlp support both 32-bit and 64-bit PE executables? */
#ifdef _WIN64
if (loaded_image.FileHeader->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR64_MAGIC)
#else
if (loaded_image.FileHeader->OptionalHeader.Magic != IMAGE_NT_OPTIONAL_HDR32_MAGIC)
#endif
{
FIXME("Wrong architecture in PE header, unable to enumerate imports\n");
UnMapAndLoad(&loaded_image);
return TRUE;
}
for (; import_desc->Name && import_desc->FirstThunk; ++import_desc)
{
IMAGE_THUNK_DATA *thunk;
char dll_fullname[MAX_PATH];
const char *dll_name;
if (!(dll_name = ImageRvaToVa(loaded_image.FileHeader, loaded_image.MappedAddress,
import_desc->Name, 0)))
{
UnMapAndLoad(&loaded_image);
SetLastError(ERROR_INVALID_ACCESS); /* FIXME */
return FALSE;
}
if (StatusRoutine)
StatusRoutine(BindImportModule, ImageName, dll_name, 0, 0);
if (!SearchPathA(DllPath, dll_name, 0, sizeof(dll_fullname), dll_fullname, 0))
{
UnMapAndLoad(&loaded_image);
SetLastError(ERROR_FILE_NOT_FOUND);
return FALSE;
}
if (!(thunk = ImageRvaToVa(loaded_image.FileHeader, loaded_image.MappedAddress,
import_desc->OriginalFirstThunk ? import_desc->OriginalFirstThunk :
import_desc->FirstThunk, 0)))
{
ERR("Can't grab thunk data of %s, going to next imported DLL\n", dll_name);
continue;
}
for (; thunk->u1.Ordinal; ++thunk)
{
/* Ignoring ordinal imports for now */
if(!IMAGE_SNAP_BY_ORDINAL(thunk->u1.Ordinal))
{
IMAGE_IMPORT_BY_NAME *iibn;
if (!(iibn = ImageRvaToVa(loaded_image.FileHeader, loaded_image.MappedAddress,
thunk->u1.AddressOfData, 0)))
{
ERR("Can't grab import by name info, skipping to next ordinal\n");
continue;
}
if (StatusRoutine)
StatusRoutine(BindImportProcedure, ImageName, dll_fullname, 0, (ULONG_PTR)iibn->Name);
}
}
}
UnMapAndLoad(&loaded_image);
return TRUE;
}
/***********************************************************************
* CheckSum (internal)
*/
static WORD CalcCheckSum(DWORD StartValue, LPVOID BaseAddress, DWORD ByteCount)
{
LPWORD Ptr;
DWORD Sum, i;
Sum = StartValue;
Ptr = (LPWORD)BaseAddress;
for (i = ByteCount; i > 1; i -= 2)
{
Sum += *Ptr;
if (HIWORD(Sum) != 0)
Sum = LOWORD(Sum) + HIWORD(Sum);
Ptr++;
}
if (i == 1)
Sum += *(BYTE *)Ptr;
return (WORD)(LOWORD(Sum) + HIWORD(Sum));
}
/***********************************************************************
* CheckSumMappedFile (IMAGEHLP.@)
*/
PIMAGE_NT_HEADERS WINAPI CheckSumMappedFile(
LPVOID BaseAddress, DWORD FileLength,
LPDWORD HeaderSum, LPDWORD CheckSum)
{
IMAGE_DOS_HEADER *dos = (IMAGE_DOS_HEADER *) BaseAddress;
PIMAGE_NT_HEADERS32 Header32;
PIMAGE_NT_HEADERS64 Header64;
PIMAGE_NT_HEADERS ret = NULL;
DWORD *ChecksumFile;
DWORD CalcSum;
DWORD HdrSum = 0;
TRACE("(%p, %d, %p, %p)\n",
BaseAddress, FileLength, HeaderSum, CheckSum
);
CalcSum = (DWORD)CalcCheckSum(0, BaseAddress, FileLength);
__TRY
{
if (dos->e_magic != IMAGE_DOS_SIGNATURE)
#ifdef __REACTOS__
_SEH2_LEAVE;
#else
break;
#endif
Header32 = (IMAGE_NT_HEADERS32 *)((char *)dos + dos->e_lfanew);
if (Header32->Signature != IMAGE_NT_SIGNATURE)
#ifdef __REACTOS__
_SEH2_LEAVE;
#else
break;
#endif
ret = (PIMAGE_NT_HEADERS)Header32;
if (Header32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR32_MAGIC)
ChecksumFile = &Header32->OptionalHeader.CheckSum;
else if (Header32->OptionalHeader.Magic == IMAGE_NT_OPTIONAL_HDR64_MAGIC)
{
Header64 = (IMAGE_NT_HEADERS64 *)Header32;
ChecksumFile = &Header64->OptionalHeader.CheckSum;
}
else
#ifdef __REACTOS__
_SEH2_LEAVE;
#else
break;
#endif
HdrSum = *ChecksumFile;
}
__EXCEPT_PAGE_FAULT
{
/* nothing */
}
__ENDTRY
/* Subtract image checksum from calculated checksum. */
/* fix low word of checksum */
if (LOWORD(CalcSum) >= LOWORD(HdrSum))
{
CalcSum -= LOWORD(HdrSum);
}
else
{
CalcSum = ((LOWORD(CalcSum) - LOWORD(HdrSum)) & 0xFFFF) - 1;
}
/* fix high word of checksum */
if (LOWORD(CalcSum) >= HIWORD(HdrSum))
{
CalcSum -= HIWORD(HdrSum);
}
else
{
CalcSum = ((LOWORD(CalcSum) - HIWORD(HdrSum)) & 0xFFFF) - 1;
}
/* add file length */
CalcSum += FileLength;
*CheckSum = CalcSum;
*HeaderSum = HdrSum;
return ret;
}
/***********************************************************************
* MapFileAndCheckSumA (IMAGEHLP.@)
*/
DWORD WINAPI MapFileAndCheckSumA(
PCSTR Filename, PDWORD HeaderSum, PDWORD CheckSum)
{
HANDLE hFile;
HANDLE hMapping;
LPVOID BaseAddress;
DWORD FileLength;
TRACE("(%s, %p, %p): stub\n",
debugstr_a(Filename), HeaderSum, CheckSum
);
hFile = CreateFileA(Filename,
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if (hFile == INVALID_HANDLE_VALUE)
{
return CHECKSUM_OPEN_FAILURE;
}
hMapping = CreateFileMappingW(hFile,
NULL,
PAGE_READONLY,
0,
0,
NULL);
if (hMapping == 0)
{
CloseHandle(hFile);
return CHECKSUM_MAP_FAILURE;
}
BaseAddress = MapViewOfFile(hMapping,
FILE_MAP_READ,
0,
0,
0);
if (BaseAddress == 0)
{
CloseHandle(hMapping);
CloseHandle(hFile);
return CHECKSUM_MAPVIEW_FAILURE;
}
FileLength = GetFileSize(hFile,
NULL);
CheckSumMappedFile(BaseAddress,
FileLength,
HeaderSum,
CheckSum);
UnmapViewOfFile(BaseAddress);
CloseHandle(hMapping);
CloseHandle(hFile);
return 0;
}
/***********************************************************************
* MapFileAndCheckSumW (IMAGEHLP.@)
*/
DWORD WINAPI MapFileAndCheckSumW(
PCWSTR Filename, PDWORD HeaderSum, PDWORD CheckSum)
{
HANDLE hFile;
HANDLE hMapping;
LPVOID BaseAddress;
DWORD FileLength;
TRACE("(%s, %p, %p): stub\n",
debugstr_w(Filename), HeaderSum, CheckSum
);
hFile = CreateFileW(Filename,
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
0);
if (hFile == INVALID_HANDLE_VALUE)
{
return CHECKSUM_OPEN_FAILURE;
}
hMapping = CreateFileMappingW(hFile,
NULL,
PAGE_READONLY,
0,
0,
NULL);
if (hMapping == 0)
{
CloseHandle(hFile);
return CHECKSUM_MAP_FAILURE;
}
BaseAddress = MapViewOfFile(hMapping,
FILE_MAP_READ,
0,
0,
0);
if (BaseAddress == 0)
{
CloseHandle(hMapping);
CloseHandle(hFile);
return CHECKSUM_MAPVIEW_FAILURE;
}
FileLength = GetFileSize(hFile,
NULL);
CheckSumMappedFile(BaseAddress,
FileLength,
HeaderSum,
CheckSum);
UnmapViewOfFile(BaseAddress);
CloseHandle(hMapping);
CloseHandle(hFile);
return 0;
}
/***********************************************************************
* ReBaseImage (IMAGEHLP.@)
*/
BOOL WINAPI ReBaseImage(
PCSTR CurrentImageName, PCSTR SymbolPath, BOOL fReBase,
BOOL fRebaseSysfileOk, BOOL fGoingDown, ULONG CheckImageSize,
ULONG *OldImageSize, ULONG_PTR *OldImageBase, ULONG *NewImageSize,
ULONG_PTR *NewImageBase, ULONG TimeStamp)
{
FIXME(
"(%s, %s, %d, %d, %d, %d, %p, %p, %p, %p, %d): stub\n",
debugstr_a(CurrentImageName),debugstr_a(SymbolPath), fReBase,
fRebaseSysfileOk, fGoingDown, CheckImageSize, OldImageSize,
OldImageBase, NewImageSize, NewImageBase, TimeStamp
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* RemovePrivateCvSymbolic (IMAGEHLP.@)
*/
BOOL WINAPI RemovePrivateCvSymbolic(
PCHAR DebugData, PCHAR *NewDebugData, ULONG *NewDebugSize)
{
FIXME("(%p, %p, %p): stub\n",
DebugData, NewDebugData, NewDebugSize
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* RemoveRelocations (IMAGEHLP.@)
*/
VOID WINAPI RemoveRelocations(PCHAR ImageName)
{
FIXME("(%p): stub\n", ImageName);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
}
/***********************************************************************
* SplitSymbols (IMAGEHLP.@)
*/
BOOL WINAPI SplitSymbols(
PSTR ImageName, PCSTR SymbolsPath,
PSTR SymbolFilePath, ULONG Flags)
{
FIXME("(%s, %s, %s, %d): stub\n",
debugstr_a(ImageName), debugstr_a(SymbolsPath),
debugstr_a(SymbolFilePath), Flags
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* UpdateDebugInfoFile (IMAGEHLP.@)
*/
BOOL WINAPI UpdateDebugInfoFile(
PCSTR ImageFileName, PCSTR SymbolPath,
PSTR DebugFilePath, PIMAGE_NT_HEADERS32 NtHeaders)
{
FIXME("(%s, %s, %s, %p): stub\n",
debugstr_a(ImageFileName), debugstr_a(SymbolPath),
debugstr_a(DebugFilePath), NtHeaders
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* UpdateDebugInfoFileEx (IMAGEHLP.@)
*/
BOOL WINAPI UpdateDebugInfoFileEx(
PCSTR ImageFileName, PCSTR SymbolPath, PSTR DebugFilePath,
PIMAGE_NT_HEADERS32 NtHeaders, DWORD OldChecksum)
{
FIXME("(%s, %s, %s, %p, %d): stub\n",
debugstr_a(ImageFileName), debugstr_a(SymbolPath),
debugstr_a(DebugFilePath), NtHeaders, OldChecksum
);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
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