73 lines
2.2 KiB
C#
73 lines
2.2 KiB
C#
|
using System;
|
||
|
|
using System.Collections.Generic;
|
||
|
|
using System.IO;
|
||
|
|
using System.Text;
|
||
|
|
|
||
|
|
namespace Intelix.Helper.Sql;
|
||
|
|
|
||
|
|
public class BerkeleyDB
|
||
|
|
{
|
||
|
|
public List<KeyValuePair<string, string>> Keys { get; }
|
||
|
|
|
||
|
|
public BerkeleyDB(byte[] file)
|
||
|
|
{
|
||
|
|
List<byte> list = new List<byte>();
|
||
|
|
Keys = new List<KeyValuePair<string, string>>();
|
||
|
|
using (MemoryStream input = new MemoryStream(file))
|
||
|
|
{
|
||
|
|
using BinaryReader binaryReader = new BinaryReader(input);
|
||
|
|
int i = 0;
|
||
|
|
for (int num = (int)binaryReader.BaseStream.Length; i < num; i++)
|
||
|
|
{
|
||
|
|
list.Add(binaryReader.ReadByte());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
string text = BitConverter.ToString(Extract(list.ToArray(), 0, 4, littleEndian: false)).Replace("-", "");
|
||
|
|
int num2 = BitConverter.ToInt32(Extract(list.ToArray(), 12, 4, littleEndian: true), 0);
|
||
|
|
if (!text.Equals("00061561"))
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
int num3 = int.Parse(BitConverter.ToString(Extract(list.ToArray(), 56, 4, littleEndian: false)).Replace("-", ""));
|
||
|
|
int num4 = 1;
|
||
|
|
while (Keys.Count < num3)
|
||
|
|
{
|
||
|
|
string[] array = new string[(num3 - Keys.Count) * 2];
|
||
|
|
for (int j = 0; j < (num3 - Keys.Count) * 2; j++)
|
||
|
|
{
|
||
|
|
array[j] = BitConverter.ToString(Extract(list.ToArray(), num2 * num4 + 2 + j * 2, 2, littleEndian: true)).Replace("-", "");
|
||
|
|
}
|
||
|
|
Array.Sort(array);
|
||
|
|
for (int k = 0; k < array.Length; k += 2)
|
||
|
|
{
|
||
|
|
int num5 = Convert.ToInt32(array[k], 16) + num2 * num4;
|
||
|
|
int num6 = Convert.ToInt32(array[k + 1], 16) + num2 * num4;
|
||
|
|
int num7 = ((k + 2 >= array.Length) ? (num2 + num2 * num4) : (Convert.ToInt32(array[k + 2], 16) + num2 * num4));
|
||
|
|
string text2 = Encoding.ASCII.GetString(Extract(list.ToArray(), num6, num7 - num6, littleEndian: false));
|
||
|
|
string value = BitConverter.ToString(Extract(list.ToArray(), num5, num6 - num5, littleEndian: false));
|
||
|
|
if (!string.IsNullOrWhiteSpace(text2))
|
||
|
|
{
|
||
|
|
Keys.Add(new KeyValuePair<string, string>(text2, value));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
num4++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static byte[] Extract(byte[] source, int start, int length, bool littleEndian)
|
||
|
|
{
|
||
|
|
byte[] array = new byte[length];
|
||
|
|
int num = 0;
|
||
|
|
for (int i = start; i < start + length; i++)
|
||
|
|
{
|
||
|
|
array[num] = source[i];
|
||
|
|
num++;
|
||
|
|
}
|
||
|
|
if (littleEndian)
|
||
|
|
{
|
||
|
|
Array.Reverse(array);
|
||
|
|
}
|
||
|
|
return array;
|
||
|
|
}
|
||
|
|
}
|