public void TestFreeMemory()
{
var regionAddress = _memoryModule.AllocateVirtualMemory(sizeof(int));
_memoryModule.FreeVirtualMemory(regionAddress);
Assert.Throws <Win32Exception>(() => _memoryModule.ReadVirtualMemory <int>(regionAddress));
}
public override bool canWrite()
{
byte[] bytes = memoryModule.ReadVirtualMemory(bufferAddress + writeOffset, 4);
unsafe
{
fixed(byte *ptr = bytes)
{
int *int_ptr = (int *)ptr;
return(int_ptr[0] == 1);
}
}
}
public ExternalCommunicationBuffer() : base(MAGIC_NUMBER_BYTE_LENGTH + HEADER_BYTE_LENGTH + DATA_BYTE_LENGTH, MAGIC_NUMBER_BYTE_LENGTH)
{
this.memoryModule = new MemoryModule("TS3");
//The buffer tends to be after this address, so use this for quicker searching. Not guaranteed. To be replaced with actual pointer mapping later on
//List<IntPtr> addresses = memoryModule.PatternScan(new IntPtr(0x20000000), BUFFER_MAGIC_NUMBERS).ToList();
//if (addresses.Count != 1) {
// //Error handle???
//}
//this.bufferAddress = addresses.ElementAt(0);
//Console.WriteLine("Buffer Address: {0:x}", bufferAddress.ToInt32());
//From Cheat Engine investigation
int baseAddress = 0x00400000;
int baseOffset = 0x00E1D89C;
//Using the path from cheat engine, navigate the pointers to our buffer (hopefully)
List <int> offsets = new List <int> {
0x18, 0x24, 0x1e0, 0x1c, 0x1c, 0x1c, 0x18, 0x1c, 0x10
};
int address = baseAddress + baseOffset;
foreach (int offset in offsets)
{
address = BitConverter.ToInt32(memoryModule.ReadVirtualMemory(new IntPtr(address), 4), 0) + offset;
}
Console.WriteLine("Buffer Address: {0:x}", address);
bufferAddress = new IntPtr(address);
//Make sure that the pointer has actually given us the buffer
byte[] toCompare = memoryModule.ReadVirtualMemory(bufferAddress, BUFFER_MAGIC_NUMBERS.Length);
bool equal = Enumerable.SequenceEqual(BUFFER_MAGIC_NUMBERS, toCompare);
if (!equal)
{
Console.WriteLine("Big boi error time! The bytes at the found address are not correct!");
System.Environment.Exit(-1);
}
}
public void TestManualMap()
{
using (var injector = new Injector(_process.Id, _dllPath, InjectionMethod.ManualMap))
{
using (var memoryModule = new MemoryModule(_process.Id))
{
var firstTwoBytes = memoryModule.ReadVirtualMemory(injector.InjectDll(), 2);
Assert.Equal(firstTwoBytes, new byte[] { 0x4D, 0x5A });
}
}
}
