GetHandles(Process process = null, string IN_strObjectTypeName = null, string IN_strObjectName = null)
{
uint nStatus;
int nHandleInfoSize = 0x10000;
IntPtr ipHandlePointer = Marshal.AllocHGlobal(nHandleInfoSize);
int nLength = 0;
IntPtr ipHandle = IntPtr.Zero;
while ((nStatus = Win32API.NtQuerySystemInformation(CNST_SYSTEM_HANDLE_INFORMATION, ipHandlePointer,
nHandleInfoSize, ref nLength)) ==
STATUS_INFO_LENGTH_MISMATCH)
{
nHandleInfoSize = nLength;
Marshal.FreeHGlobal(ipHandlePointer);
ipHandlePointer = Marshal.AllocHGlobal(nLength);
}
byte[] baTemp = new byte[nLength];
Marshal.Copy(ipHandlePointer, baTemp, 0, nLength);
long lHandleCount = 0;
if (Is64Bits())
{
lHandleCount = Marshal.ReadInt64(ipHandlePointer);
ipHandle = new IntPtr(ipHandlePointer.ToInt64() + 8);
}
else
{
lHandleCount = Marshal.ReadInt32(ipHandlePointer);
ipHandle = new IntPtr(ipHandlePointer.ToInt32() + 4);
}
Win32API.SYSTEM_HANDLE_INFORMATION shHandle;
List <Win32API.SYSTEM_HANDLE_INFORMATION> lstHandles = new List <Win32API.SYSTEM_HANDLE_INFORMATION>();
for (long lIndex = 0; lIndex < lHandleCount; lIndex++)
{
shHandle = new Win32API.SYSTEM_HANDLE_INFORMATION();
if (Is64Bits())
{
shHandle = (Win32API.SYSTEM_HANDLE_INFORMATION)Marshal.PtrToStructure(ipHandle, shHandle.GetType());
ipHandle = new IntPtr(ipHandle.ToInt64() + Marshal.SizeOf(shHandle) + 8);
}
else
{
ipHandle = new IntPtr(ipHandle.ToInt64() + Marshal.SizeOf(shHandle));
shHandle = (Win32API.SYSTEM_HANDLE_INFORMATION)Marshal.PtrToStructure(ipHandle, shHandle.GetType());
}
if (process != null)
{
if (shHandle.ProcessID != process.Id)
{
continue;
}
}
string strObjectTypeName = "";
if (IN_strObjectTypeName != null)
{
strObjectTypeName = getObjectTypeName(shHandle, Process.GetProcessById(shHandle.ProcessID));
if (strObjectTypeName != IN_strObjectTypeName)
{
continue;
}
}
string strObjectName = "";
if (IN_strObjectName != null)
{
strObjectName = getObjectName(shHandle, Process.GetProcessById(shHandle.ProcessID));
if (strObjectName != IN_strObjectName)
{
continue;
}
}
string strObjectTypeName2 = getObjectTypeName(shHandle, Process.GetProcessById(shHandle.ProcessID));
string strObjectName2 = getObjectName(shHandle, Process.GetProcessById(shHandle.ProcessID));
Console.WriteLine("{0} {1} {2}", shHandle.ProcessID, strObjectTypeName2, strObjectName2);
lstHandles.Add(shHandle);
}
return(lstHandles);
}
public static string getObjectName(Win32API.SYSTEM_HANDLE_INFORMATION shHandle, Process process)
{
IntPtr m_ipProcessHwnd = Win32API.OpenProcess(Win32API.ProcessAccessFlags.All, false, process.Id);
IntPtr ipHandle = IntPtr.Zero;
var objBasic = new Win32API.OBJECT_BASIC_INFORMATION();
IntPtr ipBasic = IntPtr.Zero;
IntPtr ipObjectType = IntPtr.Zero;
var objObjectName = new Win32API.OBJECT_NAME_INFORMATION();
IntPtr ipObjectName = IntPtr.Zero;
string strObjectName = "";
int nLength = 0;
int nReturn = 0;
IntPtr ipTemp = IntPtr.Zero;
if (!Win32API.DuplicateHandle(m_ipProcessHwnd, shHandle.Handle, Win32API.GetCurrentProcess(),
out ipHandle, 0, false, Win32API.DUPLICATE_SAME_ACCESS))
{
return(null);
}
ipBasic = Marshal.AllocHGlobal(Marshal.SizeOf(objBasic));
Win32API.NtQueryObject(ipHandle, (int)Win32API.ObjectInformationClass.ObjectBasicInformation,
ipBasic, Marshal.SizeOf(objBasic), ref nLength);
objBasic = (Win32API.OBJECT_BASIC_INFORMATION)Marshal.PtrToStructure(ipBasic, objBasic.GetType());
Marshal.FreeHGlobal(ipBasic);
nLength = objBasic.NameInformationLength;
ipObjectName = Marshal.AllocHGlobal(nLength);
while ((uint)(nReturn = Win32API.NtQueryObject(
ipHandle, (int)Win32API.ObjectInformationClass.ObjectNameInformation,
ipObjectName, nLength, ref nLength))
== Win32API.STATUS_INFO_LENGTH_MISMATCH)
{
Marshal.FreeHGlobal(ipObjectName);
ipObjectName = Marshal.AllocHGlobal(nLength);
}
objObjectName = (Win32API.OBJECT_NAME_INFORMATION)Marshal.PtrToStructure(ipObjectName, objObjectName.GetType());
if (Is64Bits())
{
ipTemp = new IntPtr(Convert.ToInt64(objObjectName.Name.Buffer.ToString(), 10) >> 32);
}
else
{
ipTemp = objObjectName.Name.Buffer;
}
if (ipTemp != IntPtr.Zero)
{
byte[] baTemp2 = new byte[nLength];
try
{
Marshal.Copy(ipTemp, baTemp2, 0, nLength);
strObjectName = Marshal.PtrToStringUni(Is64Bits() ?
new IntPtr(ipTemp.ToInt64()) :
new IntPtr(ipTemp.ToInt32()));
return(strObjectName);
}
catch (AccessViolationException)
{
return(null);
}
finally
{
Marshal.FreeHGlobal(ipObjectName);
Win32API.CloseHandle(ipHandle);
}
}
return(null);
}
private static void Run()
{
foreach (var process in Process.GetProcesses().Where(x => x.ProcessName.ToLower().StartsWith("gw2") && !x.ProcessName.ToLower().StartsWith("gw2mutexkiller")).ToList())
{
Console.WriteLine("Checking in Process: " + process.ProcessName);
Console.WriteLine(string.Format("Searching for handle: {0}", Mutex));
List <Win32API.SYSTEM_HANDLE_INFORMATION> handles = Win32Processes.GetHandles(process, "Mutant");
foreach (var handle in handles)
{
string strObjectName2 = Win32Processes.getObjectName(handle, Process.GetProcessById(handle.ProcessID));
if (!string.IsNullOrWhiteSpace(strObjectName2) && strObjectName2.EndsWith(Mutex))
{
IntPtr ipHandle = IntPtr.Zero;
if (Win32API.DuplicateHandle(Process.GetProcessById(handle.ProcessID).Handle, handle.Handle, Win32API.GetCurrentProcess(), out ipHandle, 0, false, Win32API.DUPLICATE_CLOSE_SOURCE))
{
Console.WriteLine();
Console.WriteLine("Mutex was killed");
AutoClose();
}
}
}
Console.WriteLine();
}
}
