private unsafe UOHooks(int pId, IntPtr sharedMemory, OnUOMessage handler)
{
ProcessId = pId;
FileVersionInfo v = Process.GetProcessById(pId).MainModule.FileVersionInfo;
Version = new Version(v.FileMajorPart, v.FileMinorPart, v.FileBuildPart, v.FilePrivatePart);
dataIn = (byte *)sharedMemory.ToPointer();
dataOut = dataIn + BufferSize;
msgIn = (int *)(dataOut + BufferSize);
msgOut = msgIn + 4;
uint[] packetTable = new uint[0x100];
fixed(uint *p = packetTable)
memcpy(p, dataIn, packetTable.Length * sizeof(uint));
PacketTable = packetTable;
sentIn = new IntPtr(msgIn[0]);
handledIn = new IntPtr(msgIn[1]);
sentOut = new IntPtr(msgIn[2]);
handledOut = new IntPtr(msgIn[3]);
new Thread(MessagePump)
{
IsBackground = true
}.Start(handler);
}
private unsafe void MessagePump(object handler)
{
OnUOMessage h = (OnUOMessage)handler;
UOMessage msg;
WaitForSingleObject(sentIn);
do
{
msg = (UOMessage)msgIn[0];
msgIn[0] = h(msg, msgIn[1], msgIn[2], msgIn[3], dataIn);
SignalObjectAndWait(handledIn, sentIn);
} while (msg != UOMessage.Closing);
}
public static unsafe UOHooks Start(string client, OnUOMessage handler, bool patchEncryption)
{
PROCESS_INFORMATION pi = CreateSuspendedProcess(client, null);
try
{
int id = Process.GetCurrentProcess().Id;
IntPtr mmf = InjectLibrary(pi.processId, "UOHooks.dll", "OnAttach", id, patchEncryption ? 1 : 0);
const int FILE_MAP_WRITE = 0x0002;
IntPtr sharedMemory = MapViewOfFile(mmf, FILE_MAP_WRITE, 0, 0, IntPtr.Zero);
if (sharedMemory == IntPtr.Zero)
{
throw new Win32Exception("MapViewOfFile");
}
return(new UOHooks(pi.processId, sharedMemory, handler));
}
finally { ResumeThread(pi.hThread); }
}
private unsafe UOHooks(int pId, IntPtr sharedMemory, OnUOMessage handler)
{
ProcessId = pId;
FileVersionInfo v = Process.GetProcessById(pId).MainModule.FileVersionInfo;
Version = new Version(v.FileMajorPart, v.FileMinorPart, v.FileBuildPart, v.FilePrivatePart);
dataIn = (byte*)sharedMemory.ToPointer();
dataOut = dataIn + BufferSize;
msgIn = (int*)(dataOut + BufferSize);
msgOut = msgIn + 4;
uint[] packetTable = new uint[0x100];
fixed (uint* p = packetTable)
memcpy(p, dataIn, packetTable.Length * sizeof(uint));
PacketTable = packetTable;
sentIn = new IntPtr(msgIn[0]);
handledIn = new IntPtr(msgIn[1]);
sentOut = new IntPtr(msgIn[2]);
handledOut = new IntPtr(msgIn[3]);
new Thread(MessagePump) { IsBackground = true }.Start(handler);
}
public static unsafe UOHooks Start(string client, OnUOMessage handler, bool patchEncryption)
{
PROCESS_INFORMATION pi = CreateSuspendedProcess(client, null);
try
{
int id = Process.GetCurrentProcess().Id;
IntPtr mmf = InjectLibrary(pi.processId, "UOHooks.dll", "OnAttach", id, patchEncryption ? 1 : 0);
const int FILE_MAP_WRITE = 0x0002;
IntPtr sharedMemory = MapViewOfFile(mmf, FILE_MAP_WRITE, 0, 0, IntPtr.Zero);
if (sharedMemory == IntPtr.Zero)
throw new Win32Exception("MapViewOfFile");
return new UOHooks(pi.processId, sharedMemory, handler);
}
finally { ResumeThread(pi.hThread); }
}
