TreeImportExport.cpp
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TreeImportExport.cpp
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	#include "TreeImportExport.h"
	#include "Architecture.h"
	#include "Scylla.h"
	#include "StringConversion.h"

	bool TreeImportExport::exportTreeList(const WCHAR * targetXmlFile, std::map<DWORD_PTR, ImportModuleThunk> & moduleList, const Process * process, const DWORD_PTR addressOEP, const DWORD_PTR addressIAT, const DWORD sizeIAT)
	{
	TiXmlDocument doc;

	TiXmlDeclaration * decl = new TiXmlDeclaration( "1.0", "", "");
	doc.LinkEndChild(decl);

	TiXmlElement * rootElement = new TiXmlElement("target");

	setTargetInformation(rootElement, process,addressOEP,addressIAT,sizeIAT);

	addModuleListToRootElement(rootElement, moduleList);

	doc.LinkEndChild(rootElement);

	return saveXmlToFile(doc,targetXmlFile);
	}

	bool TreeImportExport::importTreeList(const WCHAR * targetXmlFile, std::map<DWORD_PTR, ImportModuleThunk> & moduleList, DWORD_PTR * addressOEP, DWORD_PTR * addressIAT, DWORD * sizeIAT)
	{
	TiXmlElement * targetElement;
	TiXmlDocument doc;
	char * buffer = readXmlFile(targetXmlFile);
	int count = 0;

	moduleList.clear();

	if (buffer)
	{
	doc.Parse(buffer);
	if (doc.Error())
	{
	Scylla::windowLog.log(L"Load Tree :: Error parsing xml %S: %S\r\n", doc.Value(), doc.ErrorDesc());
	delete [] buffer;
	return false;
	}

	targetElement = doc.FirstChildElement();

	*addressOEP = ConvertStringToDwordPtr(targetElement->Attribute("oep_va"));
	*addressIAT = ConvertStringToDwordPtr(targetElement->Attribute("iat_va"));
	*sizeIAT = (DWORD)ConvertStringToDwordPtr(targetElement->Attribute("iat_size"));

	//test = targetElement->Attribute("filename");

	parseAllElementModules(targetElement, moduleList);

	delete [] buffer;
	}

	return true;
	}

	void TreeImportExport::setTargetInformation(TiXmlElement * rootElement, const Process * process, const DWORD_PTR addressOEP, const DWORD_PTR addressIAT, const DWORD sizeIAT)
	{
	StringConversion::ToASCII(process->filename, xmlStringBuffer, _countof(xmlStringBuffer));
	rootElement->SetAttribute("filename", xmlStringBuffer);

	ConvertDwordPtrToString(addressOEP);
	rootElement->SetAttribute("oep_va", xmlStringBuffer);

	ConvertDwordPtrToString(addressIAT);
	rootElement->SetAttribute("iat_va", xmlStringBuffer);

	ConvertDwordPtrToString(sizeIAT);
	rootElement->SetAttribute("iat_size", xmlStringBuffer);
	}

	char * TreeImportExport::readXmlFile(const WCHAR * xmlFilePath)
	{
	FILE * pFile = 0;
	long lSize = 0;
	char * buffer = 0;

	if (_wfopen_s(&pFile,xmlFilePath,L"r") == NULL)
	{
	fseek(pFile, 0, SEEK_END);
	lSize = ftell(pFile);
	fseek(pFile, 0, SEEK_SET);

	if (lSize > 2)
	{
	buffer = new char[lSize + sizeof(char)];

	ZeroMemory(buffer, lSize + sizeof(char));

	fread(buffer, sizeof(char), lSize, pFile);

	if (!feof(pFile) \|\| ferror(pFile))
	{
	delete [] buffer;
	buffer = 0;
	}
	}

	fclose (pFile);
	return buffer;
	}
	else
	{
	return 0;
	}
	}

	bool TreeImportExport::saveXmlToFile(TiXmlDocument doc, const WCHAR * xmlFilePath)
	{
	FILE * pFile = 0;

	if (_wfopen_s(&pFile,xmlFilePath,L"w") == NULL)
	{
	doc.Print(pFile);
	fclose (pFile);
	return true;
	}
	else
	{
	return false;
	}
	}

	void TreeImportExport::addModuleListToRootElement( TiXmlElement * rootElement, std::map<DWORD_PTR, ImportModuleThunk> & moduleList )
	{
	std::map<DWORD_PTR, ImportModuleThunk>::iterator mapIt;
	std::map<DWORD_PTR, ImportThunk>::iterator mapIt2;
	ImportModuleThunk * importModuleThunk = 0;
	ImportThunk * importThunk = 0;

	TiXmlElement * moduleElement;
	TiXmlElement * importElement;

	for ( mapIt = moduleList.begin() ; mapIt != moduleList.end(); mapIt++ )
	{
	importModuleThunk = &((*mapIt).second);

	moduleElement = getModuleXmlElement(importModuleThunk);

	for ( mapIt2 = (mapIt).second.thunkList.begin() ; mapIt2 != (mapIt).second.thunkList.end(); mapIt2++ )
	{
	importThunk = &((*mapIt2).second);

	importElement = getImportXmlElement(importThunk);
	moduleElement->LinkEndChild(importElement);
	}

	rootElement->LinkEndChild(moduleElement);
	}
	}

	TiXmlElement * TreeImportExport::getModuleXmlElement(const ImportModuleThunk * importModuleThunk)
	{
	TiXmlElement * moduleElement = new TiXmlElement("module");

	StringConversion::ToASCII(importModuleThunk->moduleName, xmlStringBuffer, _countof(xmlStringBuffer));
	moduleElement->SetAttribute("filename", xmlStringBuffer);

	ConvertDwordPtrToString(importModuleThunk->getFirstThunk());
	moduleElement->SetAttribute("first_thunk_rva",xmlStringBuffer);

	return moduleElement;
	}

	TiXmlElement * TreeImportExport::getImportXmlElement(const ImportThunk * importThunk)
	{
	TiXmlElement * importElement = 0;

	if (importThunk->valid)
	{
	importElement = new TiXmlElement("import_valid");

	if(importThunk->name[0] != '\0')
	{
	importElement->SetAttribute("name",importThunk->name);
	}

	ConvertWordToString(importThunk->ordinal);
	importElement->SetAttribute("ordinal",xmlStringBuffer);

	ConvertWordToString(importThunk->hint);
	importElement->SetAttribute("hint",xmlStringBuffer);

	ConvertBoolToString(importThunk->suspect);
	importElement->SetAttribute("suspect", xmlStringBuffer);
	}
	else
	{
	importElement = new TiXmlElement("import_invalid");
	}

	ConvertDwordPtrToString(importThunk->rva);
	importElement->SetAttribute("iat_rva", xmlStringBuffer);

	ConvertDwordPtrToString(importThunk->apiAddressVA);
	importElement->SetAttribute("address_va",xmlStringBuffer);

	return importElement;
	}

	void TreeImportExport::ConvertBoolToString(const bool boolValue)
	{
	if (boolValue)
	{
	strcpy_s(xmlStringBuffer,_countof(xmlStringBuffer), "1");
	}
	else
	{
	strcpy_s(xmlStringBuffer,_countof(xmlStringBuffer), "0");
	}
	}

	bool TreeImportExport::ConvertStringToBool(const char * strValue)
	{
	if (strValue)
	{
	if (strValue[0] == '1')
	{
	return true;
	}
	}

	return false;
	}

	void TreeImportExport::ConvertDwordPtrToString(const DWORD_PTR dwValue)
	{
	sprintf_s(xmlStringBuffer, _countof(xmlStringBuffer), PRINTF_DWORD_PTR_FULL_S, dwValue);
	}

	DWORD_PTR TreeImportExport::ConvertStringToDwordPtr(const char * strValue)
	{
	DWORD_PTR result = 0;

	if (strValue)
	{
	#ifdef _WIN64
	result = _strtoi64(strValue, NULL, 16);
	#else
	result = strtoul(strValue, NULL, 16);
	#endif
	}

	return result;
	}

	void TreeImportExport::ConvertWordToString(const WORD dwValue)
	{
	sprintf_s(xmlStringBuffer, _countof(xmlStringBuffer), "%04X", dwValue);
	}

	WORD TreeImportExport::ConvertStringToWord(const char * strValue)
	{
	WORD result = 0;

	if (strValue)
	{
	result = (WORD)strtoul(strValue, NULL, 16);
	}

	return result;
	}

	void TreeImportExport::parseAllElementModules( TiXmlElement * targetElement, std::map<DWORD_PTR, ImportModuleThunk> & moduleList )
	{
	TiXmlElement * moduleElement = 0;
	ImportModuleThunk importModuleThunk;
	const char * filename = 0;

	for(moduleElement = targetElement->FirstChildElement(); moduleElement; moduleElement = moduleElement->NextSiblingElement())
	{
	filename = moduleElement->Attribute("filename");

	if (filename)
	{
	StringConversion::ToUTF16(filename, importModuleThunk.moduleName, _countof(importModuleThunk.moduleName));

	importModuleThunk.firstThunk = ConvertStringToDwordPtr(moduleElement->Attribute("first_thunk_rva"));

	importModuleThunk.thunkList.clear();

	parseAllElementImports(moduleElement, &importModuleThunk);

	moduleList.insert(std::pair<DWORD_PTR,ImportModuleThunk>(importModuleThunk.firstThunk, importModuleThunk));

	}
	}
	}

	void TreeImportExport::parseAllElementImports( TiXmlElement * moduleElement, ImportModuleThunk * importModuleThunk )
	{
	TiXmlElement * importElement = 0;
	ImportThunk importThunk;
	const char * temp = 0;

	for(importElement = moduleElement->FirstChildElement(); importElement; importElement = importElement->NextSiblingElement())
	{
	temp = importElement->Value();

	if (!strcmp(temp, "import_valid"))
	{
	temp = importElement->Attribute("name");
	if (temp)
	{
	strcpy_s(importThunk.name, _countof(importThunk.name),temp);
	}
	else
	{
	importThunk.name[0] = 0;
	}

	wcscpy_s(importThunk.moduleName,_countof(importThunk.moduleName), importModuleThunk->moduleName);

	importThunk.suspect = ConvertStringToBool(importElement->Attribute("suspect"));
	importThunk.ordinal = ConvertStringToWord(importElement->Attribute("ordinal"));
	importThunk.hint = ConvertStringToWord(importElement->Attribute("hint"));

	importThunk.valid = true;
	}
	else
	{
	importThunk.valid = false;
	importThunk.suspect = true;
	}

	importThunk.apiAddressVA = ConvertStringToDwordPtr(importElement->Attribute("address_va"));
	importThunk.rva = ConvertStringToDwordPtr(importElement->Attribute("iat_rva"));

	if (importThunk.rva != 0)
	{
	importModuleThunk->thunkList.insert(std::pair<DWORD_PTR,ImportThunk>(importThunk.rva, importThunk));
	}

	}
	}

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