NSIS/Source/ResourceEditor.cpp
anders_k f69251d87e (C) 2021
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7245 212acab6-be3b-0410-9dea-997c60f758d6
2021-01-01 20:27:52 +00:00

1299 lines
50 KiB
C++

/*
* ResourceEditor.cpp
*
* This file is a part of NSIS.
*
* Copyright (C) 2002-2021 Amir Szekely <kichik@users.sourceforge.net>
*
* Licensed under the zlib/libpng license (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*
* Reviewed for Unicode support by Jim Park -- 08/21/2007
*/
#include "ResourceEditor.h"
#include "util.h"
#include "winchar.h"
#include <queue>
#include <cassert>
#include "tchar.h"
#include "utf.h"
#include "BinInterop.h"
using namespace std;
//////////////////////////////////////////////////////////////////////
// Utilities
//////////////////////////////////////////////////////////////////////
#define WCHARPTR2WINWCHARPTR(s) ( (WINWCHAR*) (s) ) // Only for WinSDK structs like IMAGE_RESOURCE_DIR_STRING_U where we cannot change the WCHAR type!
#define RALIGN(dwToAlign, dwAlignOn) ((dwToAlign%dwAlignOn == 0) ? dwToAlign : dwToAlign - (dwToAlign%dwAlignOn) + dwAlignOn)
#define ALIGN(dwToAlign, dwAlignOn) dwToAlign = RALIGN((dwToAlign), (dwAlignOn))
static inline DWORD ConvertEndianness(DWORD d) { return FIX_ENDIAN_INT32(d); }
static inline WORD ConvertEndianness(WORD w) { return FIX_ENDIAN_INT16(w); }
PIMAGE_NT_HEADERS CResourceEditor::GetNTHeaders(BYTE* pbPE) {
// Get dos header
PIMAGE_DOS_HEADER dosHeader = (PIMAGE_DOS_HEADER) pbPE;
if (dosHeader->e_magic != IMAGE_DOS_SIGNATURE)
throw runtime_error("PE file contains invalid DOS header");
// Get NT headers
PIMAGE_NT_HEADERS ntHeaders = (PIMAGE_NT_HEADERS)(pbPE + ConvertEndianness((DWORD)dosHeader->e_lfanew));
if (ntHeaders->Signature != IMAGE_NT_SIGNATURE)
throw runtime_error("PE file missing NT signature");
// Make sure this is a supported PE format
const WORD ohm = *GetCommonMemberFromPEOptHdr(ntHeaders->OptionalHeader, Magic);
if (ohm != IMAGE_NT_OPTIONAL_HDR32_MAGIC && ohm != IMAGE_NT_OPTIONAL_HDR64_MAGIC)
throw runtime_error("Unsupported PE format");
return ntHeaders;
}
PRESOURCE_DIRECTORY CResourceEditor::GetResourceDirectory(
BYTE* pbPE,
DWORD dwSize,
PIMAGE_NT_HEADERS ntHeaders,
DWORD *pdwResSecVA /*=NULL*/,
DWORD *pdwSectionIndex /*=NULL*/
) {
PIMAGE_DATA_DIRECTORY dataDirectory = *GetMemberFromPEOptHdr(ntHeaders->OptionalHeader, DataDirectory);
DWORD dwNumberOfRvaAndSizes = *GetMemberFromPEOptHdr(ntHeaders->OptionalHeader, NumberOfRvaAndSizes);
if (ConvertEndianness(dwNumberOfRvaAndSizes) <= IMAGE_DIRECTORY_ENTRY_RESOURCE)
throw runtime_error("No resource section found");
// Get resource section virtual address
DWORD dwResSecVA = ConvertEndianness(dataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress);
// Pointer to the sections headers array
PIMAGE_SECTION_HEADER sectionHeadersArray = IMAGE_FIRST_SECTION(ntHeaders);
DWORD dwSectionIndex = (DWORD) -1;
// Find resource section index in the array
for (int i = 0; i < ConvertEndianness(ntHeaders->FileHeader.NumberOfSections); i++) {
if (dwResSecVA == ConvertEndianness(sectionHeadersArray[i].VirtualAddress)) {
// Remember resource section index
dwSectionIndex = i;
// Check for invalid resource section pointer
if (!sectionHeadersArray[i].PointerToRawData)
throw runtime_error("Invalid resource section pointer");
break;
}
// Invalid section pointer (goes beyond the PE image)
if (ConvertEndianness(sectionHeadersArray[i].PointerToRawData) > dwSize)
throw runtime_error("Invalid section pointer");
}
// No resource section...
if (dwSectionIndex == (DWORD) -1)
throw runtime_error("PE file doesn't contain any resource section");
// Return extra parameters
if (pdwSectionIndex)
*pdwSectionIndex = dwSectionIndex;
if (pdwResSecVA)
*pdwResSecVA = dwResSecVA;
// Pointer to section data, the first resource directory
DWORD dwResSecPtr = ConvertEndianness(sectionHeadersArray[dwSectionIndex].PointerToRawData);
return PRESOURCE_DIRECTORY(pbPE + dwResSecPtr);
}
static int ParseSimpleInt(const TCHAR*parse, int*success)
{
int base = 0, num;
TCHAR *end;
if (parse[0] == _T('0') && (parse[1] >= _T('0') && parse[1] <= _T('9'))) base = 10; // Avoid evil octal
num = (int)_tcstoul(parse, &end, base);
if (success) *success = !(int)(*end);
return num;
}
const TCHAR* CResourceEditor::ParseResourceTypeString(const TCHAR*Str)
{
if (Str[0] == _T('#')) // Special character used by KERNEL32!FindResource
{
++Str;
if (!_tcsicmp(Str, _T("Bitmap"))) return (TCHAR*) RT_BITMAP;
if (!_tcsicmp(Str, _T("IconImage"))) return (TCHAR*) RT_ICON;
if (!_tcsicmp(Str, _T("Icon"))) return (TCHAR*) RT_GROUP_ICON;
if (!_tcsicmp(Str, _T("CursorImage"))) return (TCHAR*) RT_CURSOR;
if (!_tcsicmp(Str, _T("Cursor"))) return (TCHAR*) RT_GROUP_CURSOR;
if (!_tcsicmp(Str, _T("Dialog"))) return (TCHAR*) RT_DIALOG;
if (!_tcsicmp(Str, _T("Menu"))) return (TCHAR*) MAKEINTRESOURCE(4);
if (!_tcsicmp(Str, _T("Version"))) return (TCHAR*) RT_VERSION;
if (!_tcsicmp(Str, _T("HTML"))) return (TCHAR*) MAKEINTRESOURCE(23);
if (!_tcsicmp(Str, _T("Manifest"))) return (TCHAR*) MAKEINTRESOURCE(24);
int succ, num = ParseSimpleInt(Str, &succ);
return succ && IS_INTRESOURCE(num) ? (TCHAR*) MAKEINTRESOURCE(num) : NULL;
}
return *Str ? Str : NULL;
}
#include "exehead/resource.h" // IDI_ICON2
#include "exehead/config.h" // NSIS_DEFAULT_LANG
const TCHAR* CResourceEditor::ParseResourceNameString(const TCHAR*Str) {
if (Str[0] == _T('#'))
{
++Str;
if (!_tcsicmp(Str, _T("Version"))) return (TCHAR*) MAKEINTRESOURCE(1);
if (!_tcsicmp(Str, _T("Icon"))) return (TCHAR*) MAKEINTRESOURCE(IDI_ICON2);
int succ, num = ParseSimpleInt(Str, &succ);
return succ && IS_INTRESOURCE(num) ? (TCHAR*) MAKEINTRESOURCE(num) : NULL;
}
return EditorSupportsStringNames() && *Str ? Str : NULL;
}
LANGID CResourceEditor::ParseResourceLangString(const TCHAR*Str) {
if (!_tcsicmp(Str, _T("Any"))) return ANYLANGID;
if (!_tcsicmp(Str, _T("All"))) return ALLLANGID;
if (!_tcsicmp(Str, _T("Neutral"))) return 0x0000; //MAKELANGID(0, 0);
if (!_tcsicmp(Str, _T("Default"))) return NSIS_DEFAULT_LANG;
int succ, num = ParseSimpleInt(Str, &succ);
return succ ? num : INVALIDLANGID;
}
LANGID CResourceEditor::ParseResourceTypeNameLangString(const TCHAR**Type, const TCHAR**Name, const TCHAR*Lang) {
if (!(*Type = ParseResourceTypeString(*Type))) return INVALIDLANGID;
if (!(*Name = ParseResourceNameString(*Name))) return INVALIDLANGID;
return ParseResourceLangString(Lang);
}
template<class T> static WORD GetDependentType(T Type)
{
if (!IS_INTRESOURCE((size_t) Type)) return 0;
if (MAKEINTRESOURCE((size_t) Type) == RT_GROUP_ICON) return (WORD)(size_t) RT_ICON;
if (MAKEINTRESOURCE((size_t) Type) == RT_GROUP_CURSOR) return (WORD)(size_t) RT_CURSOR;
return 0;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// CResourceEditor
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CResourceEditor::CResourceEditor(void* pbPE, int iSize, bool bKeepData /*=true*/) {
// Copy the data pointer
m_pbPE = (BYTE*) pbPE;
m_iSize = iSize;
m_bKeepData = bKeepData;
// Get NT headers
m_ntHeaders = GetNTHeaders(m_pbPE);
// No check sum support yet...
DWORD* pdwCheckSum = GetCommonMemberFromPEOptHdr(m_ntHeaders->OptionalHeader, CheckSum);
if (*pdwCheckSum)
{
// clear checksum (should be [re]calculated after all changes done)
pdwCheckSum = 0;
//throw runtime_error("CResourceEditor doesn't yet support check sum");
}
// Get resource section virtual address, resource section index and pointer to resource directory
PRESOURCE_DIRECTORY rdRoot = GetResourceDirectory(m_pbPE, iSize, m_ntHeaders, &m_dwResourceSectionVA, &m_dwResourceSectionIndex);
// Scan the resource directory
m_cResDir = ScanDirectory(rdRoot, rdRoot);
}
CResourceEditor::~CResourceEditor() {
delete m_cResDir;
}
//////////////////////////////////////////////////////////////////////
// Methods
//////////////////////////////////////////////////////////////////////
#define FINDRESOURCE_NAME_FIRSTITEM ( (WINWCHAR*)(~(size_t)0) )
CResourceDirectoryEntry* CResourceEditor::FindResourceLanguageDirEntryW(const WINWCHAR* Type, const WINWCHAR* Name, LANGID Language) {
int i = m_cResDir->Find(Type);
if (-1 != i) {
CResourceDirectory* pND = m_cResDir->GetEntry(i)->GetSubDirectory();
i = FINDRESOURCE_NAME_FIRSTITEM == Name ? 0 : pND->Find(Name);
if (-1 != i) {
CResourceDirectory* pLD = pND->GetEntry(i)->GetSubDirectory();
i = ANYLANGID == Language ? 0 : pLD->Find(Language);
if (-1 != i)
return pLD->GetEntry(i);
}
}
return 0;
}
CResourceDataEntry* CResourceEditor::FindResource(const WINWCHAR* Type, const WINWCHAR* Name, LANGID Language) {
CResourceDirectoryEntry*pRDE = FindResourceLanguageDirEntryW(Type, Name, Language);
return pRDE ? pRDE->GetDataEntry() : 0;
}
// Adds/Replaces/Removes a simple resource.
// If lpData is 0 UpdateResource removes the resource.
bool CResourceEditor::UpdateResourceW(const WINWCHAR* szType, WINWCHAR* szName, LANGID wLanguage, BYTE* lpData, DWORD dwSize, TYPEMANIPULATION Manip) {
CResourceDirectory* nameDir = 0;
CResourceDirectory* langDir = 0;
CResourceDataEntry* data = 0;
IMAGE_RESOURCE_DIRECTORY rd = {0, /*time(0),*/};
int iTypeIdx = -1, iNameIdx = -1, iLangIdx = -1;
iTypeIdx = m_cResDir->Find(szType);
if (iTypeIdx > -1) {
nameDir = m_cResDir->GetEntry(iTypeIdx)->GetSubDirectory();
iNameIdx = nameDir->Find(szName);
if (iNameIdx > -1) {
langDir = nameDir->GetEntry(iNameIdx)->GetSubDirectory();
iLangIdx = langDir->Find(wLanguage);
if (iLangIdx > -1) {
data = langDir->GetEntry(iLangIdx)->GetDataEntry();
}
}
}
bool deleteoperation = !lpData, success = true, handlecomplexicon = false;
WORD dependenttype = GetDependentType(szType);
if (dependenttype && Manip != TM_RAW) {
if (Manip == TM_AUTO && ((size_t) szType == (size_t) RT_GROUP_ICON || (size_t) szType == (size_t) RT_GROUP_CURSOR))
Manip = TM_ICON;
if (Manip & TM_ICON)
handlecomplexicon = true;
if (handlecomplexicon && !deleteoperation)
if (Manip == TM_AUTO || (Manip & TM_ICONRSRC))
return false; // It is impossible to add a resource icon from a plain data buffer because it doesn't use offsets for the images
if ((size_t) szType == (size_t) RT_GROUP_ICON && (size_t) szName == (size_t) IDI_ICON2)
return false; // The main icon is special, don't allow high-level RT_GROUP_ICON updates to touch RT_ICON.
}
if (lpData && Manip == TM_AUTO && (size_t) szType == (size_t) RT_BITMAP)
{
if (IsBMPFile(lpData, dwSize))
{
lpData += 14, dwSize -= 14; // Remove BITMAPFILEHEADER (blogs.msdn.microsoft.com/oldnewthing/20091211-00/?p=15693#)
Manip = TM_RAW;
}
}
if (!deleteoperation) {
// Replace/Add the resource
if (handlecomplexicon) {
if (data)
DeleteIconImagesW(szType, szName, wLanguage); // Delete the RT_ICONs that belong to the RT_GROUP_ICON we are replacing
return AddExtraIconFromFile(szType, szName, wLanguage, lpData, dwSize); // Add RT_GROUP_ICON and RT_ICONs
}
if (data) {
data->SetData(lpData, dwSize);
return true;
}
if (!nameDir) {
// Type doesn't yet exist
nameDir = new CResourceDirectory(&rd);
CResourceDirectoryEntry *pRDE = new CResourceDirectoryEntry(szType, nameDir);
if (!m_cResDir->AddEntry(pRDE)) delete pRDE;
}
if (!langDir) {
// Name doesn't yet exist
langDir = new CResourceDirectory(&rd);
CResourceDirectoryEntry *pRDE = new CResourceDirectoryEntry(szName, langDir);
if (!nameDir->AddEntry(pRDE)) delete pRDE;
}
if (!data) {
// Language doesn't yet exist, hence data nither
data = new CResourceDataEntry(lpData, dwSize);
CResourceDirectoryEntry *pRDE = new CResourceDirectoryEntry(MAKEINTRESOURCEWINW(wLanguage), data);
if (!langDir->AddEntry(pRDE)) delete pRDE;
}
}
else if (data) {
if (handlecomplexicon) {
success = DeleteIconImagesW(szType, szName, wLanguage); // Delete the RT_ICONs that belong to the RT_GROUP_ICON we are deleting
}
// Delete the resource
delete data;
langDir->RemoveEntry(iLangIdx);
// Delete directories holding the resource if empty
if (!langDir->CountEntries()) {
delete langDir;
nameDir->RemoveEntry(iNameIdx);
if (!nameDir->CountEntries()) {
delete nameDir;
m_cResDir->RemoveEntry(iTypeIdx);
}
}
}
else
success = false;
return success;
}
#ifndef _UNICODE
static WINWCHAR* ResStringToUnicode(const char *szString) {
if (IS_INTRESOURCE(szString)) return MAKEINTRESOURCEWINW((ULONG_PTR)szString);
WINWCHAR *s = WinWStrDupFromTChar(szString);
if (!s) throw std::bad_alloc();
return s;
}
static void FreeUnicodeResString(WINWCHAR* szwString) {
if (!IS_INTRESOURCE(szwString)) free(szwString);
}
#else
#ifndef _WIN32
static WINWCHAR* ResStringToUnicode(const TCHAR *s) {
if (IS_INTRESOURCE(s)) return MAKEINTRESOURCEWINW((ULONG_PTR)s);
WCToUTF16LEHlpr cnv;
if (!cnv.Create(s)) throw std::runtime_error("Unicode conversion failed");
return (WINWCHAR*) cnv.Detach();
}
static void FreeUnicodeResString(WINWCHAR* s) {
if (!IS_INTRESOURCE(s)) free(s);
}
#endif // ~_WIN32
#endif // ~_UNICODE
CResourceDirectoryEntry* CResourceEditor::FindResourceLanguageDirEntryT(const TCHAR* Type, const TCHAR* Name, LANGID Language) {
assert(!EditorSupportsStringNames() && sizeof(Name));
#if defined(_WIN32) && defined(_UNICODE)
return FindResourceLanguageDirEntryW((WINWCHAR*)Type, (WINWCHAR*)Name, Language);
#else
WINWCHAR* szwType = ResStringToUnicode(Type);
CResourceDirectoryEntry* result = FindResourceLanguageDirEntryW(szwType, (WINWCHAR*)Name, Language);
FreeUnicodeResString(szwType);
return result;
#endif
}
bool CResourceEditor::UpdateResourceT(const TCHAR* szType, WORD szName, LANGID wLanguage, BYTE* lpData, DWORD dwSize, TYPEMANIPULATION Manip) {
assert(!EditorSupportsStringNames() && sizeof(szName));
#if defined(_WIN32) && defined(_UNICODE)
return UpdateResourceW((WINWCHAR*)szType, MAKEINTRESOURCEWINW(szName), wLanguage, lpData, dwSize, Manip);
#else
WINWCHAR* szwType = ResStringToUnicode(szType);
bool result = UpdateResourceW(szwType, MAKEINTRESOURCEWINW(szName), wLanguage, lpData, dwSize, Manip);
FreeUnicodeResString(szwType);
return result;
#endif
}
bool CResourceEditor::UpdateResourceT(const TCHAR* szType, WORD szName, LANGID wLanguage, FILE*Data, TYPEMANIPULATION Manip) {
assert(!EditorSupportsStringNames() && sizeof(szName));
bool result = false;
unsigned long size;
BYTE *data = alloc_and_read_file(Data, size);
if (!data)
return false;
WORD dependenttype = GetDependentType(szType);
if (Manip == TM_AUTO)
if (dependenttype && IsICOCURFile(data, size))
Manip = TM_ICONFILE;
result = UpdateResourceT(szType, szName, wLanguage, data, size, Manip);
free(data);
return result;
}
bool CResourceEditor::DeleteResourceT(const TCHAR* szType, WORD szName, LANGID wLanguage, TYPEMANIPULATION Manip) {
if (wLanguage != ALLLANGID)
return UpdateResourceT(szType, szName, wLanguage, 0, 0, Manip);
assert(!EditorSupportsStringNames() && sizeof(szName));
const TCHAR *name = (const TCHAR*) MAKEINTRESOURCE(szName);
unsigned int deleted = 0;
for (;; ++deleted) {
CResourceDirectoryEntry*pDir = FindResourceLanguageDirEntryT(szType, name, ANYLANGID);
if (!pDir || !UpdateResourceT(szType, szName, pDir->GetId(), 0, 0, Manip)) break;
}
return deleted != 0;
}
// Returns a copy of the requested resource
// Returns 0 if the requested resource can't be found
BYTE* CResourceEditor::GetResourceW(const WINWCHAR* szType, WINWCHAR* szName, LANGID wLanguage) {
CResourceDataEntry* data = FindResource(szType, szName, wLanguage);
return DupData(data);
}
BYTE* CResourceEditor::GetResourceT(const TCHAR* szType, WORD szName, LANGID wLanguage) {
assert(!EditorSupportsStringNames() && sizeof(szName));
#if defined(_WIN32) && defined(_UNICODE)
return GetResourceW((WINWCHAR*)szType, MAKEINTRESOURCEWINW(szName), wLanguage);
#else
WINWCHAR* szwType = ResStringToUnicode(szType);
BYTE* result = GetResourceW(szwType, MAKEINTRESOURCEWINW(szName), wLanguage);
FreeUnicodeResString(szwType);
return result;
#endif
}
// Returns the size of the requested resource
// Returns -1 if the requested resource can't be found
int CResourceEditor::GetResourceSizeW(const WINWCHAR* szType, WINWCHAR* szName, LANGID wLanguage) {
CResourceDataEntry* data = FindResource(szType, szName, wLanguage);
return data ? data->GetSize() : -1;
}
int CResourceEditor::GetResourceSizeT(const TCHAR* szType, WORD szName, LANGID wLanguage) {
assert(!EditorSupportsStringNames());
#if defined(_WIN32) && defined(_UNICODE)
return GetResourceSizeW((WINWCHAR*)szType, MAKEINTRESOURCEWINW(szName), wLanguage);
#else
WINWCHAR* szwType = ResStringToUnicode(szType);
int result = GetResourceSizeW(szwType, MAKEINTRESOURCEWINW(szName), wLanguage);
FreeUnicodeResString(szwType);
return result;
#endif
}
bool CResourceEditor::ResourceExistsT(const TCHAR* szType, WORD szName, LANGID wLanguage, LANGID*pFoundLanguage) {
assert(!EditorSupportsStringNames() && sizeof(szName));
const TCHAR *name = (const TCHAR*) MAKEINTRESOURCE(szName);
if (wLanguage == ALLLANGID) wLanguage = ANYLANGID;
CResourceDirectoryEntry *pRDE = FindResourceLanguageDirEntryT(szType, name, wLanguage);
if (pFoundLanguage) *pFoundLanguage = pRDE ? pRDE->GetId() : INVALIDLANGID;
return pRDE != 0;
}
// Returns the offset of the requested resource in the original PE
// Returns -1 if the requested resource can't be found
DWORD CResourceEditor::GetResourceOffsetW(const WINWCHAR* szType, WINWCHAR* szName, LANGID wLanguage) {
CResourceDataEntry* data = FindResource(szType, szName, wLanguage);
return data ? data->GetOffset() : DWORD(-1);
}
DWORD CResourceEditor::GetResourceOffsetT(const TCHAR* szType, WORD szName, LANGID wLanguage) {
assert(!EditorSupportsStringNames() && sizeof(szName));
#if defined(_WIN32) && defined(_UNICODE)
return GetResourceOffsetW((WINWCHAR*)szType, MAKEINTRESOURCEWINW(szName), wLanguage);
#else
WINWCHAR* szwType = ResStringToUnicode(szType);
DWORD result = GetResourceOffsetW(szwType, MAKEINTRESOURCEWINW(szName), wLanguage);
FreeUnicodeResString(szwType);
return result;
#endif
}
// Returns a copy of the resource data from the first resource of a specific type
BYTE* CResourceEditor::GetFirstResourceW(const WINWCHAR* szType, size_t&cbData) {
CResourceDataEntry *pDE = FindResource(szType, FINDRESOURCE_NAME_FIRSTITEM, ANYLANGID);
if (pDE)
{
cbData = pDE->GetSize();
return DupData(pDE);
}
return NULL;
}
BYTE* CResourceEditor::GetFirstResourceT(const TCHAR* szType, size_t&cbData) {
#if defined(_WIN32) && defined(_UNICODE)
return GetFirstResourceW((WINWCHAR*)szType, cbData);
#else
WINWCHAR* szwType = ResStringToUnicode(szType);
BYTE* result = GetFirstResourceW(szwType, cbData);
FreeUnicodeResString(szwType);
return result;
#endif
}
BYTE* CResourceEditor::DupData(CResourceDataEntry*pDE) {
if (!m_bKeepData)
throw runtime_error("Can't get resource data when bKeepData is false");
if (pDE)
{
size_t cb = pDE->GetSize();
BYTE* p = new BYTE[cb]; // Free with FreeResource()
if (p) CopyMemory(p, pDE->GetData(), cb);
return p;
}
return NULL;
}
void CResourceEditor::FreeResource(BYTE* pbResource)
{
if (pbResource)
delete [] pbResource;
}
// Saves the edited PE into a buffer and returns it.
DWORD CResourceEditor::Save(BYTE* pbBuf, DWORD &dwSize) {
if (!m_bKeepData)
throw runtime_error("Can't Save() when bKeepData is false");
unsigned int i;
DWORD dwReqSize, temp32;
temp32 = *GetCommonMemberFromPEOptHdr(m_ntHeaders->OptionalHeader, FileAlignment);
const DWORD dwFileAlign = ConvertEndianness(temp32);
temp32 = *GetCommonMemberFromPEOptHdr(m_ntHeaders->OptionalHeader, SectionAlignment);
const DWORD dwSecAlign = ConvertEndianness(temp32);
DWORD dwRsrcSize = m_cResDir->GetSize(); // Size of new resource section
DWORD dwRsrcSizeAligned = RALIGN(dwRsrcSize, dwFileAlign); // Align it to FileAlignment
// Calculate the total new PE size
DWORD dwOldRsrcSize = ConvertEndianness(IMAGE_FIRST_SECTION(m_ntHeaders)[m_dwResourceSectionIndex].SizeOfRawData);
dwReqSize = m_iSize - dwOldRsrcSize + dwRsrcSizeAligned;
if (!pbBuf || dwSize < dwReqSize)
return dwReqSize;
// Use buffer
BYTE* pbNewPE = pbBuf;
dwSize = dwReqSize;
// Fill buffer with zeros
ZeroMemory(pbNewPE, dwSize);
BYTE* seeker = pbNewPE;
BYTE* oldSeeker = m_pbPE;
PIMAGE_SECTION_HEADER old_sectionHeadersArray = IMAGE_FIRST_SECTION(m_ntHeaders);
DWORD dwHeaderSize = ConvertEndianness(old_sectionHeadersArray[m_dwResourceSectionIndex].PointerToRawData);
WORD wNumberOfSections = ConvertEndianness(m_ntHeaders->FileHeader.NumberOfSections);
// Copy everything until the resource section (including headers and everything that might come after them)
// We don't use SizeOfHeaders because sometimes (using VC6) it can extend beyond the first section
// or (Borland) there could be some more information between the headers and the first section.
CopyMemory(seeker, oldSeeker, dwHeaderSize);
// Skip the headers and whatever comes after them
seeker += dwHeaderSize;
oldSeeker += dwHeaderSize;
// Get new nt headers pointer
PIMAGE_NT_HEADERS ntHeaders = GetNTHeaders(pbNewPE);
// Get a pointer to the new section headers
PIMAGE_SECTION_HEADER sectionHeadersArray = IMAGE_FIRST_SECTION(ntHeaders);
// Skip the resource section in the old PE seeker.
oldSeeker += dwOldRsrcSize;
// Save the old virtual size of the resource section
DWORD dwNewVirtualSize = RALIGN(dwRsrcSize, dwSecAlign);
DWORD dwOldVirtualSize = ConvertEndianness(sectionHeadersArray[m_dwResourceSectionIndex].Misc.VirtualSize);
ALIGN(dwOldVirtualSize, dwSecAlign);
DWORD dwVAAdjustment = dwNewVirtualSize - dwOldVirtualSize;
// Set the new size of the resource section (size aligned to FileAlignment)
sectionHeadersArray[m_dwResourceSectionIndex].SizeOfRawData = ConvertEndianness(dwRsrcSizeAligned);
// Set the virtual size as well (in memory)
sectionHeadersArray[m_dwResourceSectionIndex].Misc.VirtualSize = ConvertEndianness(dwRsrcSize);
(*GetMemberFromPEOptHdr(ntHeaders->OptionalHeader, DataDirectory))[IMAGE_DIRECTORY_ENTRY_RESOURCE].Size = ConvertEndianness(dwRsrcSize);
// Set the new virtual size of the image
DWORD* pdwSizeOfImage = GetCommonMemberFromPEOptHdr(ntHeaders->OptionalHeader, SizeOfImage);
*pdwSizeOfImage = AlignVA(*GetCommonMemberFromPEOptHdr(ntHeaders->OptionalHeader, SizeOfHeaders));
for (i = 0; i < wNumberOfSections; i++) {
DWORD dwSecSize = ConvertEndianness(sectionHeadersArray[i].Misc.VirtualSize);
*pdwSizeOfImage = AlignVA(AdjustVA(*pdwSizeOfImage, dwSecSize));
}
// Set the new AddressOfEntryPoint if needed
DWORD* pdwAddressOfEntryPoint = GetCommonMemberFromPEOptHdr(ntHeaders->OptionalHeader, AddressOfEntryPoint);
if (ConvertEndianness(*pdwAddressOfEntryPoint) > m_dwResourceSectionVA)
*pdwAddressOfEntryPoint = AdjustVA(*pdwAddressOfEntryPoint, dwVAAdjustment);
// Set the new BaseOfCode if needed
DWORD* pdwBaseOfCode = GetCommonMemberFromPEOptHdr(ntHeaders->OptionalHeader, BaseOfCode);
if (ConvertEndianness(*pdwBaseOfCode) > m_dwResourceSectionVA)
*pdwBaseOfCode = AdjustVA(*pdwBaseOfCode, dwVAAdjustment);
// Set the new BaseOfData if needed
if (*GetCommonMemberFromPEOptHdr(ntHeaders->OptionalHeader, Magic) == IMAGE_NT_OPTIONAL_HDR32_MAGIC) {
DWORD* pdwBaseOfData = &((PIMAGE_OPTIONAL_HEADER32)&ntHeaders->OptionalHeader)->BaseOfData;
if (ConvertEndianness(*pdwBaseOfData) > m_dwResourceSectionVA)
*pdwBaseOfData = AdjustVA(*pdwBaseOfData, dwVAAdjustment);
}
// Refresh the headers of the sections that come after the resource section, and the data directory
DWORD dwNumberOfRvaAndSizes = *GetMemberFromPEOptHdr(ntHeaders->OptionalHeader, NumberOfRvaAndSizes);
PIMAGE_DATA_DIRECTORY pDataDirectory = *GetMemberFromPEOptHdr(ntHeaders->OptionalHeader, DataDirectory);
for (i = m_dwResourceSectionIndex + 1; i < wNumberOfSections; i++) {
if (sectionHeadersArray[i].PointerToRawData) {
AdjustVA(sectionHeadersArray[i].PointerToRawData, dwRsrcSizeAligned - dwOldRsrcSize);
}
// We must find the right data directory entry before we change the virtual address
unsigned int uDataDirIdx = 0;
for (unsigned int j = 0; j < ConvertEndianness(dwNumberOfRvaAndSizes); j++)
if (pDataDirectory[j].VirtualAddress == sectionHeadersArray[i].VirtualAddress)
uDataDirIdx = j;
sectionHeadersArray[i].VirtualAddress = AdjustVA(sectionHeadersArray[i].VirtualAddress, dwVAAdjustment);
// Change the virtual address in the data directory too
if (uDataDirIdx)
pDataDirectory[uDataDirIdx].VirtualAddress = sectionHeadersArray[i].VirtualAddress;
}
// Write the resource section
WriteRsrcSec(seeker);
// Advance the pointer
seeker += dwRsrcSizeAligned;
// Copy everything that comes after the resource section (other sections and tacked data)
size_t cbLeft = m_iSize - (oldSeeker - m_pbPE);
if (cbLeft)
CopyMemory(seeker, oldSeeker, cbLeft);
seeker += cbLeft;
oldSeeker += cbLeft;
/**********************************************************
* To add checksum to the header use MapFileAndCheckSum
**********************************************************/
// From now on, we are working on the new PE
// Freeing the old PE memory is up to the user
m_pbPE = pbNewPE;
m_iSize = dwSize;
m_ntHeaders = ntHeaders;
// We just wrote the resource section according to m_cResDir, so we don't need to rescan
// m_dwResourceSectionIndex and m_dwResourceSectionVA have also been left unchanged as
// we didn't move the resources section
return 0;
}
// This function scans exe sections and after find a match with given name
// increments it's virtual size (auto fixes image size based on section alignment, etc)
// Jim Park: The section name must be ASCII code. Do not TCHAR this stuff.
bool CResourceEditor::SetPESectionVirtualSize(const char* pszSectionName, DWORD newsize)
{
PIMAGE_SECTION_HEADER sectionHeadersArray = IMAGE_FIRST_SECTION(m_ntHeaders);
// Refresh the headers of the sections that come after the resource section, and the data directory
for (int i = 0; i < ConvertEndianness(m_ntHeaders->FileHeader.NumberOfSections); i++) {
if (!strcmp((LPCSTR)sectionHeadersArray[i].Name, pszSectionName)) {
sectionHeadersArray[i].Misc.VirtualSize = AlignVA(ConvertEndianness(newsize));
sectionHeadersArray[i].Characteristics &= ConvertEndianness((DWORD) ~IMAGE_SCN_MEM_DISCARDABLE);
// now fix any section after
for (int k = i + 1; k < ConvertEndianness(m_ntHeaders->FileHeader.NumberOfSections); k++, i++) {
DWORD dwLastSecVA = ConvertEndianness(sectionHeadersArray[i].VirtualAddress);
DWORD dwLastSecSize = ConvertEndianness(sectionHeadersArray[i].Misc.VirtualSize);
DWORD dwSecVA = AlignVA(ConvertEndianness(dwLastSecVA + dwLastSecSize));
sectionHeadersArray[k].VirtualAddress = dwSecVA;
if (m_dwResourceSectionIndex == (DWORD) k)
{
// fix the resources virtual address if it changed
PIMAGE_DATA_DIRECTORY pDataDirectory = *GetMemberFromPEOptHdr(m_ntHeaders->OptionalHeader, DataDirectory);
pDataDirectory[IMAGE_DIRECTORY_ENTRY_RESOURCE].VirtualAddress = dwSecVA;
m_dwResourceSectionVA = ConvertEndianness(dwSecVA);
}
}
return true;
}
}
return false;
}
static char* GetFirstICOCURGroupEntry(const void*headerdata, WORD*pImgType, WORD*pCount) {
WORD *p16 = (WORD*) headerdata;
if (IsICOCURFile(headerdata)) { // The first 6+ bytes of the resource format matches the file format
if (pImgType)
*pImgType = FIX_ENDIAN_INT16(p16[1]) == 2 ? (WORD)(size_t) RT_CURSOR : (WORD)(size_t) RT_ICON;
if (pCount)
*pCount = FIX_ENDIAN_INT16(p16[2]);
return ((char*) headerdata) + 6;
}
return 0;
}
bool CResourceEditor::DeleteIconImages(const CResourceDirectoryEntry& LangDir) {
WORD imgType, count, *pRGE = (WORD*) GetFirstICOCURGroupEntry(LangDir.GetDataEntry()->GetData(), &imgType, &count);
if (!pRGE)
return false;
for (unsigned int i = 0, cbRGE = 14; i < count; ++i, pRGE += cbRGE / sizeof(*pRGE))
if (!DeleteResource(MAKEINTRESOURCE(imgType), FIX_ENDIAN_INT16(pRGE[6]), LangDir.GetId()))
return false;
return true;
}
bool CResourceEditor::DeleteIconImagesW(const WINWCHAR* OwnerType, WINWCHAR* Name, LANGID LangId) {
CResourceDirectoryEntry*pLangDir = FindResourceLanguageDirEntryW(OwnerType, Name, LangId);
return pLangDir ? DeleteIconImages(*pLangDir) : false;
}
static WORD FindFreeIconImageId(CResourceEditor& re, WORD ImgType) {
for (unsigned int i = MAIN_ICON_LAST_IMAGE + 1; i <= 0xffff; ++i)
if (!re.ResourceExists(MAKEINTRESOURCE(ImgType), (WORD) i, CResourceEditor::ANYLANGID))
return (WORD) i;
return 0;
}
bool CResourceEditor::AddExtraIconFromFile(const WINWCHAR* Type, WINWCHAR* Name, LANGID LangId, BYTE* Data, DWORD Size) {
typedef struct { BYTE Width, Height, Palette, Reserved; WORD Planes, BPP; UINT32 Size, Offset; } FILEICOGROUPENTRY;
typedef struct { BYTE Width, Height, Palette, Reserved; WORD Planes, BPP, SizeLo, SizeHi, Id; } RSRCICOGROUPENTRY;
typedef struct { WORD Width, Height; WORD Planes, BPP, SizeLo, SizeHi, Id; } RSRCCURGROUPENTRY; //msdn.microsoft.com/en-us/library/windows/desktop/ms648011(v=vs.85).aspx
assert(sizeof(RSRCICOGROUPENTRY) == 12+2 && sizeof(FILEICOGROUPENTRY) == 12+4);
assert(sizeof(RSRCICOGROUPENTRY) == sizeof(RSRCCURGROUPENTRY));
WORD failed = 0, count, imgType, imgId;
FILEICOGROUPENTRY *pSrcFGE = (FILEICOGROUPENTRY*) GetFirstICOCURGroupEntry(Data, &imgType, &count);
if (!pSrcFGE)
return false;
unsigned int cbDstGrp = 6 + (count * sizeof(RSRCICOGROUPENTRY));
BYTE *pDstGrp = new BYTE[cbDstGrp], isCursor = MAKEINTRESOURCE(imgType) == RT_CURSOR;
memcpy(pDstGrp, Data, 6);
RSRCICOGROUPENTRY *pDstRGE = (RSRCICOGROUPENTRY*) (((char*) pDstGrp) + 6);
for (unsigned int i = 0; i < count; ++i) {
if (!(imgId = FindFreeIconImageId(*this, imgType)))
goto fail;
memcpy(&pDstRGE[i], &pSrcFGE[i], sizeof(RSRCICOGROUPENTRY)); // Copy the image information
pDstRGE[i].Id = FIX_ENDIAN_INT16(imgId); // and assign the new resource id
UINT32 imgSize = FIX_ENDIAN_INT32(pSrcFGE[i].Size);
BYTE *pImg = (BYTE*) (((char*) Data) + FIX_ENDIAN_INT32(pSrcFGE[i].Offset)), *pCursor = 0;
if (isCursor) { // We must prepend the hotspot to the image data and change the group entry
GENERICIMAGEINFO info;
if (/*!IsPNGFile(pImg, imgSize, &info) &&*/ !GetDIBHeaderInfo(pImg, imgSize, info)) // Are PNG cursor images allowed?
goto fail;
//if (info.IsTopDownBitmap() && isDib)
// goto fail; // Are TopDown DIBs allowed? Probably not but we play it safe.
typedef struct { WORD x, y; } CURSORIMGHDR; //msdn.microsoft.com/en-us/library/windows/desktop/ms648017(v=vs.85).aspx
pCursor = new BYTE[imgSize + 4];
CURSORIMGHDR *pLH = (CURSORIMGHDR*) pCursor;
pLH->x = pSrcFGE[i].Planes, pLH->y = pSrcFGE[i].BPP;
memcpy(pCursor + sizeof(CURSORIMGHDR), pImg, imgSize);
pImg = pCursor, imgSize += 4; // Our new image data is ready
RSRCCURGROUPENTRY *pCGE = (RSRCCURGROUPENTRY*) &pDstRGE[i];
pCGE->Width = FIX_ENDIAN_INT16(info.Width > 0xffff ? 0 : (WORD) info.Width);
pCGE->Height = FIX_ENDIAN_INT16(info.Height > 0xffff ? 0 : (WORD) info.Height);
pCGE->Planes = FIX_ENDIAN_INT16(info.Planes), pCGE->BPP = FIX_ENDIAN_INT16(info.BPP);
((FILEICOGROUPENTRY*)pCGE)->Size = FIX_ENDIAN_INT32(imgSize); // The size of the image data has changed
}
bool succ = UpdateResource(MAKEINTRESOURCE(imgType), imgId, LangId, pImg, imgSize);
if (pCursor)
delete [] pCursor;
if (!succ)
goto fail;
}
if (!UpdateResourceW(Type, Name, LangId, pDstGrp, cbDstGrp))
fail: ++failed;
delete [] pDstGrp;
return !failed;
}
//////////////////////////////////////////////////////////////////////
// Private Methods
//////////////////////////////////////////////////////////////////////
// This function scans a given resource directory and returns a CResourceDirectory object
// rdRoot must point to the root directory of the resource section
CResourceDirectory* CResourceEditor::ScanDirectory(PRESOURCE_DIRECTORY rdRoot, PRESOURCE_DIRECTORY rdToScan) {
// Create CResourceDirectory from rdToScan
CResourceDirectory* rdc = new CResourceDirectory(PIMAGE_RESOURCE_DIRECTORY(rdToScan));
WINWCHAR* szName;
PIMAGE_RESOURCE_DATA_ENTRY rde = NULL;
// Go through all entries of this resource directory
int entries = ConvertEndianness(rdToScan->Header.NumberOfNamedEntries);
entries += ConvertEndianness(rdToScan->Header.NumberOfIdEntries);
for (int i = 0; i < entries; i++) {
MY_IMAGE_RESOURCE_DIRECTORY_ENTRY rd = rdToScan->Entries[i];
rd.UOffset.OffsetToData = ConvertEndianness(rd.UOffset.OffsetToData);
rd.UName.Name = ConvertEndianness(rd.UName.Name);
// If this entry points to data entry get a pointer to it
if (!rd.UOffset.DirectoryOffset.DataIsDirectory)
rde = PIMAGE_RESOURCE_DATA_ENTRY(rd.UOffset.OffsetToData + (BYTE*)rdRoot);
// If this entry has a name, translate it from Unicode
if (rd.UName.NameString.NameIsString) {
PIMAGE_RESOURCE_DIR_STRING_U rds = PIMAGE_RESOURCE_DIR_STRING_U(rd.UName.NameString.NameOffset + (char*)rdRoot);
size_t nameSize = ConvertEndianness(rds->Length);
szName = new WINWCHAR[nameSize+1];
WinWStrNCpy(szName, WCHARPTR2WINWCHARPTR(rds->NameString), nameSize);
szName[nameSize] = 0;
}
// Else, set the name to this entry's id
else
szName = MAKEINTRESOURCEWINW(ConvertEndianness(rdToScan->Entries[i].UName.Id));
if (rd.UOffset.DirectoryOffset.DataIsDirectory)
{
CResourceDirectoryEntry *pRDE = new CResourceDirectoryEntry(
szName,
ScanDirectory(
rdRoot,
PRESOURCE_DIRECTORY(rd.UOffset.DirectoryOffset.OffsetToDirectory + (LPBYTE)rdRoot)
)
);
if (!rdc->AddEntry(pRDE)) delete pRDE;
}
else
{
LPBYTE pbData = (LPBYTE)rdRoot + ConvertEndianness(rde->OffsetToData) - m_dwResourceSectionVA;
DWORD dwOffset = DWORD(pbData - m_pbPE);
if (m_bKeepData)
{
if (dwOffset > DWORD(m_iSize))
{
throw runtime_error("Invalid resource entry data pointer, possibly compressed resources");
}
}
else
{
pbData = m_pbPE; // dummy pointer to "nothing"
}
CResourceDirectoryEntry *pRDE = new CResourceDirectoryEntry(
szName,
new CResourceDataEntry(
pbData,
ConvertEndianness(rde->Size),
ConvertEndianness(rde->CodePage),
dwOffset
)
);
if (!rdc->AddEntry(pRDE)) delete pRDE;
}
// Delete the dynamicly allocated name if it is a name and not an id
if (!IS_INTRESOURCE(szName))
delete [] szName;
}
return rdc;
}
// This function writes into a given place in memory (pbRsrcSec) the edited resource section
void CResourceEditor::WriteRsrcSec(BYTE* pbRsrcSec) {
BYTE* seeker = pbRsrcSec;
queue<CResourceDirectory*> qDirs; // Used to scan the tree by level
queue<CResourceDataEntry*> qDataEntries; // Used for writing the data entries
queue<CResourceDataEntry*> qDataEntries2; // Used for writing raw resources data
queue<CResourceDirectoryEntry*> qStrings; // Used for writing resources' names
qDirs.push(m_cResDir);
while (!qDirs.empty()) {
CResourceDirectory* crd = qDirs.front();
IMAGE_RESOURCE_DIRECTORY rdDir = crd->GetInfo();
rdDir.NumberOfNamedEntries = ConvertEndianness(rdDir.NumberOfNamedEntries);
rdDir.NumberOfIdEntries = ConvertEndianness(rdDir.NumberOfIdEntries);
CopyMemory(seeker, &rdDir, sizeof(IMAGE_RESOURCE_DIRECTORY));
crd->m_ulWrittenAt = (ULONG_PTR)(seeker);
seeker += sizeof(IMAGE_RESOURCE_DIRECTORY);
for (unsigned int i = 0; i < crd->CountEntries(); i++) {
if (crd->GetEntry(i)->HasName())
qStrings.push(crd->GetEntry(i));
if (crd->GetEntry(i)->IsDataDirectory())
qDirs.push(crd->GetEntry(i)->GetSubDirectory());
else {
qDataEntries.push(crd->GetEntry(i)->GetDataEntry());
qDataEntries2.push(crd->GetEntry(i)->GetDataEntry());
}
MY_IMAGE_RESOURCE_DIRECTORY_ENTRY rDirE;
ZeroMemory(&rDirE, sizeof(rDirE));
rDirE.UOffset.DirectoryOffset.DataIsDirectory = crd->GetEntry(i)->IsDataDirectory();
rDirE.UName.Id = crd->GetEntry(i)->HasName() ? 0 : crd->GetEntry(i)->GetId();
rDirE.UName.Id = ConvertEndianness(rDirE.UName.Id);
rDirE.UName.NameString.NameIsString = (crd->GetEntry(i)->HasName()) ? 1 : 0;
CopyMemory(seeker, &rDirE, sizeof(MY_IMAGE_RESOURCE_DIRECTORY_ENTRY));
crd->GetEntry(i)->m_ulWrittenAt = (ULONG_PTR)(seeker);
seeker += sizeof(MY_IMAGE_RESOURCE_DIRECTORY_ENTRY);
}
qDirs.pop();
}
/*
* Write IMAGE_RESOURCE_DATA_ENTRYs.
*/
while (!qDataEntries.empty()) {
CResourceDataEntry* cRDataE = qDataEntries.front();
IMAGE_RESOURCE_DATA_ENTRY rDataE = {0,};
rDataE.CodePage = ConvertEndianness(cRDataE->GetCodePage());
rDataE.Size = ConvertEndianness(cRDataE->GetSize());
CopyMemory(seeker, &rDataE, sizeof(IMAGE_RESOURCE_DATA_ENTRY));
cRDataE->m_ulWrittenAt = (ULONG_PTR)(seeker);
seeker += sizeof(IMAGE_RESOURCE_DATA_ENTRY);
qDataEntries.pop();
}
/*
* Write strings
*/
while (!qStrings.empty()) {
CResourceDirectoryEntry* cRDirE = qStrings.front();
size_t resdirstr = (size_t)(seeker - pbRsrcSec);
assert(RALIGN(resdirstr, 4) == resdirstr); // PE spec says these are ?machine? word aligned
PMY_IMAGE_RESOURCE_DIRECTORY_ENTRY(cRDirE->m_ulWrittenAt)->UName.NameString.NameOffset = ConvertEndianness((DWORD) resdirstr);
const WINWCHAR* szName = cRDirE->GetName();
WORD iLen = (WORD) (WinWStrLen(szName)); // No terminator
*(WORD*)seeker = ConvertEndianness(iLen);
CopyMemory(seeker + sizeof(WORD), szName, iLen * sizeof(WINWCHAR));
seeker += RALIGN(sizeof(WORD) + (iLen * sizeof(WINWCHAR)), 4);
qStrings.pop();
}
/*
* Write raw resource data and set offsets in IMAGE_RESOURCE_DATA_ENTRYs.
*/
while (!qDataEntries2.empty()) {
CResourceDataEntry* cRDataE = qDataEntries2.front();
CopyMemory(seeker, cRDataE->GetData(), cRDataE->GetSize());
PIMAGE_RESOURCE_DATA_ENTRY(cRDataE->m_ulWrittenAt)->OffsetToData = ConvertEndianness((DWORD)(seeker - pbRsrcSec) + m_dwResourceSectionVA);
seeker += RALIGN(cRDataE->GetSize(), 8);
qDataEntries2.pop();
}
/*
* Set all of the directory entries offsets.
*/
SetOffsets(m_cResDir, (ULONG_PTR)(pbRsrcSec));
}
// Sets the offsets in directory entries
void CResourceEditor::SetOffsets(CResourceDirectory* resDir, ULONG_PTR newResDirAt) {
for (unsigned int i = 0; i < resDir->CountEntries(); i++) {
PMY_IMAGE_RESOURCE_DIRECTORY_ENTRY rde = PMY_IMAGE_RESOURCE_DIRECTORY_ENTRY(resDir->GetEntry(i)->m_ulWrittenAt);
if (resDir->GetEntry(i)->IsDataDirectory()) {
rde->UOffset.DirectoryOffset.DataIsDirectory = 1;
rde->UOffset.DirectoryOffset.OffsetToDirectory = resDir->GetEntry(i)->GetSubDirectory()->m_ulWrittenAt - newResDirAt;
rde->UOffset.OffsetToData = ConvertEndianness(rde->UOffset.OffsetToData);
SetOffsets(resDir->GetEntry(i)->GetSubDirectory(), newResDirAt);
}
else {
rde->UOffset.OffsetToData = ConvertEndianness((DWORD)(resDir->GetEntry(i)->GetDataEntry()->m_ulWrittenAt - newResDirAt));
}
}
}
// Adjusts a virtual address by a specific amount
DWORD CResourceEditor::AdjustVA(DWORD dwVirtualAddress, DWORD dwAdjustment) {
dwVirtualAddress = ConvertEndianness(dwVirtualAddress);
dwVirtualAddress += dwAdjustment;
dwVirtualAddress = ConvertEndianness(dwVirtualAddress);
return dwVirtualAddress;
}
// Aligns a virtual address to the section alignment
DWORD CResourceEditor::AlignVA(DWORD dwVirtualAddress) {
DWORD temp32 = *GetCommonMemberFromPEOptHdr(m_ntHeaders->OptionalHeader, SectionAlignment);
DWORD dwAlignment = ConvertEndianness(temp32);
dwVirtualAddress = ConvertEndianness(dwVirtualAddress);
dwVirtualAddress = RALIGN(dwVirtualAddress, dwAlignment);
dwVirtualAddress = ConvertEndianness(dwVirtualAddress);
return dwVirtualAddress;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// CResourceDirectory
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CResourceDirectory::CResourceDirectory(PIMAGE_RESOURCE_DIRECTORY prd) {
m_rdDir = *prd;
m_rdDir.NumberOfIdEntries = 0;
m_rdDir.NumberOfNamedEntries = 0;
}
CResourceDirectory::~CResourceDirectory() {
Destroy();
}
//////////////////////////////////////////////////////////////////////
// Methods
//////////////////////////////////////////////////////////////////////
IMAGE_RESOURCE_DIRECTORY CResourceDirectory::GetInfo() {
return m_rdDir;
}
CResourceDirectoryEntry* CResourceDirectory::GetEntry(unsigned int i) {
if (m_vEntries.size() < i)
return 0;
return m_vEntries[i];
}
// This function inserts a new directory entry
// It also keeps the directory entries sorted
bool CResourceDirectory::AddEntry(CResourceDirectoryEntry* entry) {
int i = 0;
if (entry->HasName()) {
const WINWCHAR* szEntName = entry->GetName();
for (i = 0; i < m_rdDir.NumberOfNamedEntries; i++) {
const WINWCHAR* szName = m_vEntries[i]->GetName();
int cmp = WinWStrCmp(szName, szEntName);
if (cmp == 0)
return false;
if (cmp > 0)
break;
}
m_rdDir.NumberOfNamedEntries++;
}
else {
for (i = m_rdDir.NumberOfNamedEntries; i < m_rdDir.NumberOfNamedEntries+m_rdDir.NumberOfIdEntries; i++) {
if (m_vEntries[i]->GetId() == entry->GetId()) return false;
if (m_vEntries[i]->GetId() > entry->GetId()) break;
}
m_rdDir.NumberOfIdEntries++;
}
m_vEntries.insert(m_vEntries.begin() + i, entry);
return true;
}
void CResourceDirectory::RemoveEntry(int i) {
if (m_vEntries[i]->HasName())
m_rdDir.NumberOfNamedEntries--;
else
m_rdDir.NumberOfIdEntries--;
delete m_vEntries[i];
m_vEntries.erase(m_vEntries.begin() + i);
}
unsigned int CResourceDirectory::CountEntries() {
return truncate_cast(unsigned int,m_vEntries.size());
}
// Returns the index of a directory entry with the specified name
// Name can be a string or an id
// Returns -1 if can not be found
int CResourceDirectory::Find(const WINWCHAR* szName) {
if (IS_INTRESOURCE(szName))
return Find((WORD) (ULONG_PTR) szName);
else
if (szName[0] == L'#')
return Find(WORD(WinWStrToInt(szName + 1)));
for (unsigned int i = 0; i < m_vEntries.size(); i++) {
if (!m_vEntries[i]->HasName())
continue;
const WINWCHAR* szEntName = m_vEntries[i]->GetName();
int cmp = WinWStrCmp(szName, szEntName);
if (!cmp)
return i;
}
return -1;
}
// Returns the index of a directory entry with the specified id
// Returns -1 if can not be found
int CResourceDirectory::Find(WORD wId) {
for (unsigned int i = 0; i < m_vEntries.size(); i++) {
if (m_vEntries[i]->HasName()) continue;
if (wId == m_vEntries[i]->GetId()) return i;
}
return -1;
}
// Get the size of this resource directory (including all of its children)
DWORD CResourceDirectory::GetSize() {
DWORD dwSize = sizeof(IMAGE_RESOURCE_DIRECTORY);
for (unsigned int i = 0; i < m_vEntries.size(); i++) {
dwSize += sizeof(MY_IMAGE_RESOURCE_DIRECTORY_ENTRY);
if (m_vEntries[i]->HasName())
dwSize += sizeof(IMAGE_RESOURCE_DIR_STRING_U) + (m_vEntries[i]->GetNameLength()+1)*sizeof(WINWCHAR);
if (m_vEntries[i]->IsDataDirectory())
dwSize += m_vEntries[i]->GetSubDirectory()->GetSize();
else {
DWORD dwAligned = m_vEntries[i]->GetDataEntry()->GetSize();
ALIGN(dwAligned, 8);
dwSize += sizeof(IMAGE_RESOURCE_DATA_ENTRY) + dwAligned;
}
}
return dwSize;
}
// Destroys this directory and all of its children
void CResourceDirectory::Destroy() {
for (unsigned int i = 0; i < m_vEntries.size(); i++) {
if (m_vEntries[i]->IsDataDirectory()) {
m_vEntries[i]->GetSubDirectory()->Destroy();
delete m_vEntries[i]->GetSubDirectory();
}
else
delete m_vEntries[i]->GetDataEntry();
delete m_vEntries[i];
}
m_vEntries.clear();
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// CResourceDirectoryEntry
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CResourceDirectoryEntry::CResourceDirectoryEntry(const WINWCHAR* szName, CResourceDirectory* rdSubDir) {
if (IS_INTRESOURCE(szName)) {
m_bHasName = false;
m_szName = 0;
m_wId = (WORD) (ULONG_PTR) szName;
}
else {
m_bHasName = true;
m_szName = WinWStrDupFromWinWStr(szName);
}
m_bIsDataDirectory = true;
m_rdSubDir = rdSubDir;
}
CResourceDirectoryEntry::CResourceDirectoryEntry(const WINWCHAR* szName, CResourceDataEntry* rdeData) {
if (IS_INTRESOURCE(szName)) {
m_bHasName = false;
m_szName = 0;
m_wId = (WORD) (ULONG_PTR) szName;
}
else {
m_bHasName = true;
m_szName = WinWStrDupFromWinWStr(szName);
}
m_bIsDataDirectory = false;
m_rdeData = rdeData;
}
CResourceDirectoryEntry::~CResourceDirectoryEntry() {
if (m_bHasName)
free(m_szName);
}
//////////////////////////////////////////////////////////////////////
// Methods
//////////////////////////////////////////////////////////////////////
bool CResourceDirectoryEntry::HasName() const {
return m_bHasName;
}
// Don't forget to free the memory used by the string after usage!
const WINWCHAR* CResourceDirectoryEntry::GetName() const {
return m_bHasName ? m_szName : 0;
}
int CResourceDirectoryEntry::GetNameLength() const {
return (int) WinWStrLen(m_szName);
}
WORD CResourceDirectoryEntry::GetId() const {
return m_bHasName ? 0 : m_wId;
}
bool CResourceDirectoryEntry::IsDataDirectory() const {
return m_bIsDataDirectory;
}
CResourceDirectory* CResourceDirectoryEntry::GetSubDirectory() const {
if (!m_bIsDataDirectory)
return NULL;
return m_rdSubDir;
}
CResourceDataEntry* CResourceDirectoryEntry::GetDataEntry() const {
if (m_bIsDataDirectory)
return NULL;
return m_rdeData;
}
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// CResourceDataEntry
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CResourceDataEntry::CResourceDataEntry(BYTE* pbData, DWORD dwSize, DWORD dwCodePage, DWORD dwOffset) {
m_pbData = 0;
SetData(pbData, dwSize, dwCodePage);
m_dwOffset = dwOffset;
}
CResourceDataEntry::~CResourceDataEntry() {
if (m_pbData)
delete [] m_pbData;
}
//////////////////////////////////////////////////////////////////////
// Methods
//////////////////////////////////////////////////////////////////////
// To save memory this function doesn't give you a copy of the data
// Don't mess with the data returned from this function!
BYTE* CResourceDataEntry::GetData() {
return m_pbData;
}
void CResourceDataEntry::SetData(BYTE* pbData, DWORD dwSize) {
SetData(pbData, dwSize, m_dwCodePage);
}
void CResourceDataEntry::SetData(BYTE* pbData, DWORD dwSize, DWORD dwCodePage) {
if (m_pbData) delete [] m_pbData;
m_pbData = new BYTE[dwSize];
CopyMemory(m_pbData, pbData, dwSize);
m_dwSize = dwSize;
m_dwCodePage = dwCodePage;
m_dwOffset = DWORD(-1); // unset
}
DWORD CResourceDataEntry::GetSize() {
return m_dwSize;
}
DWORD CResourceDataEntry::GetCodePage() {
return m_dwCodePage;
}
DWORD CResourceDataEntry::GetOffset() {
return m_dwOffset;
}