timamsk/RTUnlocker
Archived
1
1
Fork 0
forked from Snoooopy/MetroUnlocker
Code Pull Requests Activity

First release build.

Browse Source
This commit is contained in:
Mona Lassa
2025-05-22 01:31:03 +02:00
parent ec55169d57
commit f90695dfda
30 changed files with 499 additions and 1389 deletions
Download Patch File Download Diff File Expand all files Collapse all files

110
MetroUnlocker/LibTSForge/PhysicalStore/CRCBlock.cs
View File

@@ -1,55 +1,42 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
namespace MetroUnlocker.LibTSForge.PhysicalStore
{
public enum CRCBlockType : uint
{
UINT = 1 << 0,
STRING = 1 << 1,
BINARY = 1 << 2
UInt = 1 << 0,
String = 1 << 1,
Binary = 1 << 2
}
public class CRCBlock
public class CRCBlock : BasicBlock
{
public CRCBlockType DataType;
public byte[] Key;
public string KeyAsStr
public CRCBlock() { }
public CRCBlock(BinaryReader reader)
{
get
{
return Utils.DecodeString(Key);
}
set
{
Key = Utils.EncodeString(value);
}
}
public byte[] Value;
public string ValueAsStr
{
get
{
return Utils.DecodeString(Value);
}
set
{
Value = Utils.EncodeString(value);
}
}
public uint ValueAsInt
{
get
{
return BitConverter.ToUInt32(Value, 0);
}
set
{
Value = BitConverter.GetBytes(value);
}
uint crc = reader.ReadUInt32();
uint type = reader.ReadUInt32();
uint lenName = reader.ReadUInt32();
uint lenVal = reader.ReadUInt32();
byte[] key = reader.ReadBytes((int)lenName);
reader.Align(8);
byte[] value = reader.ReadBytes((int)lenVal);
reader.Align(8);
DataType = (CRCBlockType)type;
Key = key;
Value = value;
if (CRC() != crc)
throw new InvalidDataException("Invalid CRC in variable bag.");
}
public void Encode(BinaryWriter writer)
@@ -67,45 +54,16 @@ namespace MetroUnlocker.LibTSForge.PhysicalStore
writer.Align(8);
}
public static CRCBlock Decode(BinaryReader reader)
{
uint crc = reader.ReadUInt32();
uint type = reader.ReadUInt32();
uint lenName = reader.ReadUInt32();
uint lenVal = reader.ReadUInt32();
byte[] key = reader.ReadBytes((int)lenName);
reader.Align(8);
byte[] value = reader.ReadBytes((int)lenVal);
reader.Align(8);
CRCBlock block = new CRCBlock
{
DataType = (CRCBlockType)type,
Key = key,
Value = value,
};
if (block.CRC() != crc)
{
throw new InvalidDataException("Invalid CRC in variable bag.");
}
return block;
}
public uint CRC()
{
BinaryWriter wtemp = new BinaryWriter(new MemoryStream());
wtemp.Write(0);
wtemp.Write((uint)DataType);
wtemp.Write(Key.Length);
wtemp.Write(Value.Length);
wtemp.Write(Key);
wtemp.Write(Value);
return Utils.CRC32(((MemoryStream)wtemp.BaseStream).ToArray());
BinaryWriter writer = new BinaryWriter(new MemoryStream());
writer.Write(0);
writer.Write((uint)DataType);
writer.Write(Key.Length);
writer.Write(Value.Length);
writer.Write(Key);
writer.Write(Value);
return Utils.CRC32(((MemoryStream)writer.BaseStream).ToArray());
}
}
}