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MemoryRecord.cs
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290 lines (252 loc) · 7.89 KB
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using System;
using System.ComponentModel;
using System.Diagnostics.Contracts;
using System.Globalization;
using System.Text;
using ReClassNET.Extensions;
using ReClassNET.Memory;
using ReClassNET.Util;
namespace ReClassNET.MemoryScanner
{
public enum MemoryRecordAddressMode
{
Absolute,
Relative,
Unknown
}
public class MemoryRecord : INotifyPropertyChanged
{
private IntPtr addressOrOffset;
private string moduleName;
public MemoryRecordAddressMode AddressMode { get; set; }
public IntPtr AddressOrOffset
{
get => addressOrOffset;
set
{
addressOrOffset = value;
AddressMode = MemoryRecordAddressMode.Unknown;
}
}
public IntPtr RealAddress { get; private set; }
public string AddressStr => RealAddress.ToString(Constants.AddressHexFormat);
public string ModuleName
{
get => moduleName;
set
{
moduleName = value;
AddressMode = MemoryRecordAddressMode.Relative;
}
}
public bool IsRelativeAddress => !string.IsNullOrEmpty(ModuleName);
public string Description { get; set; } = string.Empty;
public ScanValueType ValueType { get; set; }
public string ValueStr { get; private set; }
public string PreviousValueStr { get; }
public bool HasChangedValue { get; private set; }
public int ValueLength { get; set; }
public Encoding Encoding { get; set; }
public bool ShowValueHexadecimal { get; set; }
public event PropertyChangedEventHandler PropertyChanged;
public MemoryRecord()
{
}
public MemoryRecord(ScanResult result)
{
Contract.Requires(result != null);
addressOrOffset = result.Address;
AddressMode = MemoryRecordAddressMode.Unknown;
ValueType = result.ValueType;
switch (ValueType)
{
case ScanValueType.Byte:
ValueStr = FormatValue(((ByteScanResult)result).Value, false);
break;
case ScanValueType.Short:
ValueStr = FormatValue(((ShortScanResult)result).Value, false);
break;
case ScanValueType.Integer:
ValueStr = FormatValue(((IntegerScanResult)result).Value, false);
break;
case ScanValueType.Long:
ValueStr = FormatValue(((LongScanResult)result).Value, false);
break;
case ScanValueType.Float:
ValueStr = FormatValue(((FloatScanResult)result).Value);
break;
case ScanValueType.Double:
ValueStr = FormatValue(((DoubleScanResult)result).Value);
break;
case ScanValueType.ArrayOfBytes:
var byteData = ((ArrayOfBytesScanResult)result).Value;
ValueLength = byteData.Length;
ValueStr = FormatValue(byteData);
break;
case ScanValueType.String:
case ScanValueType.Regex:
var strResult = (StringScanResult)result;
ValueLength = strResult.Value.Length;
Encoding = strResult.Encoding;
ValueStr = FormatValue(strResult.Value);
break;
default:
throw new InvalidOperationException();
}
PreviousValueStr = ValueStr;
}
private void NotifyPropertyChanged(string propertyName)
{
var propertyChanged = PropertyChanged;
propertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
public void ResolveAddress(RemoteProcess process)
{
Contract.Requires(process != null);
if (AddressMode == MemoryRecordAddressMode.Unknown)
{
RealAddress = addressOrOffset;
var module = process.GetModuleToPointer(addressOrOffset);
if (module != null)
{
addressOrOffset = addressOrOffset.Sub(module.Start);
ModuleName = module.Name;
AddressMode = MemoryRecordAddressMode.Relative;
}
else
{
AddressMode = MemoryRecordAddressMode.Absolute;
}
}
else if (AddressMode == MemoryRecordAddressMode.Relative)
{
var module = process.GetModuleByName(ModuleName);
if (module != null)
{
RealAddress = module.Start.Add(addressOrOffset);
}
}
}
public void RefreshValue(RemoteProcess process)
{
Contract.Requires(process != null);
byte[] buffer;
switch (ValueType)
{
case ScanValueType.Byte:
buffer = new byte[1];
break;
case ScanValueType.Short:
buffer = new byte[2];
break;
case ScanValueType.Integer:
case ScanValueType.Float:
buffer = new byte[4];
break;
case ScanValueType.Long:
case ScanValueType.Double:
buffer = new byte[8];
break;
case ScanValueType.ArrayOfBytes:
buffer = new byte[ValueLength];
break;
case ScanValueType.String:
case ScanValueType.Regex:
buffer = new byte[ValueLength * Encoding.GuessByteCountPerChar()];
break;
default:
throw new InvalidOperationException();
}
if (process.ReadRemoteMemoryIntoBuffer(RealAddress, ref buffer))
{
switch (ValueType)
{
case ScanValueType.Byte:
ValueStr = FormatValue(buffer[0], ShowValueHexadecimal);
break;
case ScanValueType.Short:
ValueStr = FormatValue(process.BitConverter.ToInt16(buffer, 0), ShowValueHexadecimal);
break;
case ScanValueType.Integer:
ValueStr = FormatValue(process.BitConverter.ToInt32(buffer, 0), ShowValueHexadecimal);
break;
case ScanValueType.Long:
ValueStr = FormatValue(process.BitConverter.ToInt64(buffer, 0), ShowValueHexadecimal);
break;
case ScanValueType.Float:
ValueStr = FormatValue(process.BitConverter.ToSingle(buffer, 0));
break;
case ScanValueType.Double:
ValueStr = FormatValue(process.BitConverter.ToDouble(buffer, 0));
break;
case ScanValueType.ArrayOfBytes:
ValueStr = FormatValue(buffer);
break;
case ScanValueType.String:
case ScanValueType.Regex:
ValueStr = FormatValue(Encoding.GetString(buffer));
break;
}
}
else
{
ValueStr = "???";
}
HasChangedValue = ValueStr != PreviousValueStr;
NotifyPropertyChanged(nameof(ValueStr));
}
public void SetValue(RemoteProcess process, string input, bool isHex)
{
Contract.Requires(process != null);
Contract.Requires(input != null);
byte[] data = null;
if (ValueType == ScanValueType.Byte || ValueType == ScanValueType.Short || ValueType == ScanValueType.Integer || ValueType == ScanValueType.Long)
{
var numberStyle = isHex ? NumberStyles.HexNumber : NumberStyles.Integer;
long.TryParse(input, numberStyle, null, out var value);
switch (ValueType)
{
case ScanValueType.Byte:
data = process.BitConverter.GetBytes((byte)value);
break;
case ScanValueType.Short:
data = process.BitConverter.GetBytes((short)value);
break;
case ScanValueType.Integer:
data = process.BitConverter.GetBytes((int)value);
break;
case ScanValueType.Long:
data = process.BitConverter.GetBytes(value);
break;
}
}
else if (ValueType == ScanValueType.Float || ValueType == ScanValueType.Double)
{
var nf = NumberFormat.GuessNumberFormat(input);
double.TryParse(input, NumberStyles.Float, nf, out var value);
switch (ValueType)
{
case ScanValueType.Float:
data = process.BitConverter.GetBytes((float)value);
break;
case ScanValueType.Double:
data = process.BitConverter.GetBytes(value);
break;
}
}
if (data != null)
{
process.WriteRemoteMemory(RealAddress, data);
RefreshValue(process);
}
}
private static string FormatValue(byte value, bool showAsHex) => showAsHex ? value.ToString("X") : value.ToString();
private static string FormatValue(short value, bool showAsHex) => showAsHex ? value.ToString("X") : value.ToString();
private static string FormatValue(int value, bool showAsHex) => showAsHex ? value.ToString("X") : value.ToString();
private static string FormatValue(long value, bool showAsHex) => showAsHex ? value.ToString("X") : value.ToString();
private static string FormatValue(float value) => value.ToString("0.0000");
private static string FormatValue(double value) => value.ToString("0.0000");
private static string FormatValue(byte[] value) => HexadecimalFormatter.ToString(value);
private static string FormatValue(string value) => value;
}
}