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#include "stdafx.h"
#include "CoreHook_Unity.h"
#include <TlHelp32.h>
using namespace CoreHook;
LPVOID Unity::GetVirtualCall(LPVOID pObject, int nIndex)
{
if (NULL == pObject)
return NULL;
PDWORD_PTR pVirTable = (PDWORD_PTR)*(PDWORD_PTR)pObject;
return (PDWORD_PTR)*(pVirTable + nIndex);
}
//test
LPVOID Unity::ScanCode(LPVOID pStart, DWORD dwLen, const BYTE pChar[], DWORD dwCharLen)
{
if(!pStart || !dwLen || !dwCharLen)
{
return NULL;
}
DWORD i = 0;
for(char * p = (char *)pStart; i < dwLen; i++, p++)
{
if(i + dwCharLen > dwLen)
{
break;
}
if(memcmp(p, pChar, dwCharLen) == 0)
{
return p;
}
}
return NULL;
}
HMODULE Unity::GetModuleByPrefix( LPCWSTR lpPrefix )
{
HMODULE hModule = NULL;
HANDLE hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE, 0);
if (INVALID_HANDLE_VALUE != hSnapShot)
{
MODULEENTRY32* moduleInfo = new MODULEENTRY32;
moduleInfo->dwSize = sizeof(MODULEENTRY32);
while (Module32Next(hSnapShot, moduleInfo) != FALSE)
{
std::wstring s = moduleInfo->szModule;
if(-1 != s.find(lpPrefix))
{
hModule = moduleInfo->hModule;
break;
}
}
CloseHandle(hSnapShot);
delete moduleInfo;
}
return hModule;
}
/*test*/
WORD Unity::FileMachineType( LPCTSTR lpExecuteFile )
{
FILE *pfile = _tfopen(lpExecuteFile, L"rb");
if (NULL == pfile)
return (WORD)(0);
IMAGE_DOS_HEADER idh;
fread(&idh, sizeof(idh), 1, pfile);
IMAGE_FILE_HEADER ifh;
fseek(pfile, idh.e_lfanew + 4, SEEK_SET);
fread(&ifh, sizeof(ifh), 1, pfile);
fclose(pfile);
return ifh.Machine;
}
CString Unity::GetFileNameByFullPath(LPCTSTR lpFileFullPath)
{
TCHAR szPath[MAX_PATH] = {0};
lstrcpyn(szPath, lpFileFullPath, Tsizeof(szPath));
PathStripPath(szPath);
return szPath;
}
BOOL Unity::ExeIsWebBrowser(LPCTSTR szExeFileName)
{
if(lstrcmpi(szExeFileName, _T("iexplore.exe")) == 0
|| lstrcmpi(szExeFileName, _T("firefox.exe")) == 0
|| lstrcmpi(szExeFileName, _T("chrome.exe")) == 0
|| lstrcmpi(szExeFileName, _T("opera.exe")) == 0
|| lstrcmpi(szExeFileName, _T("Safari.exe")) == 0
|| lstrcmpi(szExeFileName, _T("dxsetup.exe")) == 0)
{
return TRUE;
}
return FALSE;
}
CString Unity::GetCreateProcessFileFullPath( LPCTSTR szApplicationName, LPCTSTR szCommandLine )
{
TCHAR szPath[MAX_PATH] = {0};
if(szApplicationName)
{
lstrcpyn(szPath, szApplicationName, Tsizeof(szPath));
}
else if(szCommandLine[0] == _T('\"'))
{
int nFind = 1;
for(; szCommandLine[nFind] && szCommandLine[nFind] != _T('\"'); nFind++);
lstrcpyn(szPath, &szCommandLine[1], nFind);
}
return szPath;
}
CString Unity::GetCreateProcessFileName( LPCTSTR szApplicationName, LPCTSTR szCommandLine )
{
return GetFileNameByFullPath(GetCreateProcessFileFullPath(szApplicationName, szCommandLine));
}
bool CoreHook::Unity::IsWindowsVersionOrGreater( WORD wMajorVersion, WORD wMinorVersion, WORD wServicePackMajor )
{
OSVERSIONINFOEXW osvi = { sizeof(osvi), 0, 0, 0, 0, {0}, 0, 0 };
DWORDLONG const dwlConditionMask = VerSetConditionMask(
VerSetConditionMask(
VerSetConditionMask(
0, VER_MAJORVERSION, VER_GREATER_EQUAL),
VER_MINORVERSION, VER_GREATER_EQUAL),
VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
osvi.dwMajorVersion = wMajorVersion;
osvi.dwMinorVersion = wMinorVersion;
osvi.wServicePackMajor = wServicePackMajor;
return VerifyVersionInfoW(&osvi, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR, dwlConditionMask) != FALSE;
}
CString CoreHook::Unity::GetCurModuelName()
{
TCHAR szName[MAX_PATH]={0};
GetModuleFileName(NULL,szName,MAX_PATH);
PathStripPath(szName);
return szName;
}