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Merged in xdemolish/ffxiv-classic-server/gg (pull request #20)

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readded functions to utils (note to self: read both files before merging)
This commit is contained in:
Filip Maj 2016-08-03 17:30:06 -04:00
commit 0c435d91c9
1 changed files with 137 additions and 16 deletions
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153
FFXIVClassic Common Class Lib/Utils.cs
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@ -1,4 +1,5 @@
using System; using System;
using System.IO;
using System.Text; using System.Text;
namespace FFXIVClassic.Common namespace FFXIVClassic.Common
@ -13,7 +14,7 @@ namespace FFXIVClassic.Common
for (var i = 0; i < 256; i++) for (var i = 0; i < 256; i++)
{ {
var s = i.ToString("X2"); var s = i.ToString("X2");
result[i] = s[0] + ((uint) s[1] << 16); result[i] = s[0] + ((uint)s[1] << 16);
} }
return result; return result;
} }
@ -28,13 +29,13 @@ namespace FFXIVClassic.Common
var hexChars = "0123456789ABCDEF".ToCharArray(); var hexChars = "0123456789ABCDEF".ToCharArray();
var offsetBlock = 8 + 3; var offsetBlock = 8 + 3;
var byteBlock = offsetBlock + bytesPerLine*3 + (bytesPerLine - 1)/8 + 2; var byteBlock = offsetBlock + bytesPerLine * 3 + (bytesPerLine - 1) / 8 + 2;
var lineLength = byteBlock + bytesPerLine + Environment.NewLine.Length; var lineLength = byteBlock + bytesPerLine + Environment.NewLine.Length;
var line = (new string(' ', lineLength - Environment.NewLine.Length) + Environment.NewLine).ToCharArray(); var line = (new string(' ', lineLength - Environment.NewLine.Length) + Environment.NewLine).ToCharArray();
var numLines = (bytes.Length + bytesPerLine - 1)/bytesPerLine; var numLines = (bytes.Length + bytesPerLine - 1) / bytesPerLine;
var sb = new StringBuilder(numLines*lineLength); var sb = new StringBuilder(numLines * lineLength);
for (var i = 0; i < bytes.Length; i += bytesPerLine) for (var i = 0; i < bytes.Length; i += bytesPerLine)
{ {
@ -70,7 +71,7 @@ namespace FFXIVClassic.Common
var by = bytes[i + j]; var by = bytes[i + j];
line[hexColumn] = hexChars[(by >> 4) & 0xF]; line[hexColumn] = hexChars[(by >> 4) & 0xF];
line[hexColumn + 1] = hexChars[by & 0xF]; line[hexColumn + 1] = hexChars[by & 0xF];
line[charColumn] = by < 32 ? '.' : (char) by; line[charColumn] = by < 32 ? '.' : (char)by;
} }
hexColumn += 3; hexColumn += 3;
@ -89,7 +90,7 @@ namespace FFXIVClassic.Common
var currentTime = DateTime.Now; var currentTime = DateTime.Now;
var zuluTime = currentTime.ToUniversalTime(); var zuluTime = currentTime.ToUniversalTime();
var unixEpoch = new DateTime(1970, 1, 1); var unixEpoch = new DateTime(1970, 1, 1);
unixTimeStamp = (uint) zuluTime.Subtract(unixEpoch).TotalSeconds; unixTimeStamp = (uint)zuluTime.Subtract(unixEpoch).TotalSeconds;
return unixTimeStamp; return unixTimeStamp;
} }
@ -100,7 +101,7 @@ namespace FFXIVClassic.Common
var currentTime = DateTime.Now; var currentTime = DateTime.Now;
var zuluTime = currentTime.ToUniversalTime(); var zuluTime = currentTime.ToUniversalTime();
var unixEpoch = new DateTime(1970, 1, 1); var unixEpoch = new DateTime(1970, 1, 1);
unixTimeStamp = (ulong) zuluTime.Subtract(unixEpoch).TotalMilliseconds; unixTimeStamp = (ulong)zuluTime.Subtract(unixEpoch).TotalMilliseconds;
return unixTimeStamp; return unixTimeStamp;
} }
@ -127,7 +128,7 @@ namespace FFXIVClassic.Common
public static int SwapEndian(int input) public static int SwapEndian(int input)
{ {
var inputAsUint = (uint) input; var inputAsUint = (uint)input;
input = (int) input = (int)
(((inputAsUint >> 24) & 0xff) | (((inputAsUint >> 24) & 0xff) |
@ -151,7 +152,7 @@ namespace FFXIVClassic.Common
// Initialize the hash to a 'random' value // Initialize the hash to a 'random' value
var h = seed ^ (uint) len; var h = seed ^ (uint)len;
// Mix 4 bytes at a time into the hash // Mix 4 bytes at a time into the hash
@ -160,7 +161,7 @@ namespace FFXIVClassic.Common
{ {
h *= m; h *= m;
var k = (uint) BitConverter.ToInt32(data, dataIndex); var k = (uint)BitConverter.ToInt32(data, dataIndex);
k = ((k >> 24) & 0xff) | // move byte 3 to byte 0 k = ((k >> 24) & 0xff) | // move byte 3 to byte 0
((k << 8) & 0xff0000) | // move byte 1 to byte 2 ((k << 8) & 0xff0000) | // move byte 1 to byte 2
((k >> 8) & 0xff00) | // move byte 2 to byte 1 ((k >> 8) & 0xff00) | // move byte 2 to byte 1
@ -180,10 +181,10 @@ namespace FFXIVClassic.Common
switch (len) switch (len)
{ {
case 3: case 3:
h ^= (uint) data[0] << 16; h ^= (uint)data[0] << 16;
goto case 2; goto case 2;
case 2: case 2:
h ^= (uint) data[len - 2] << 8; h ^= (uint)data[len - 2] << 8;
goto case 1; goto case 1;
case 1: case 1:
h ^= data[len - 1]; h ^= data[len - 1];
@ -204,7 +205,7 @@ namespace FFXIVClassic.Common
public static byte[] ConvertBoolArrayToBinaryStream(bool[] array) public static byte[] ConvertBoolArrayToBinaryStream(bool[] array)
{ {
var data = new byte[array.Length/8 + (array.Length%8 != 0 ? 1 : 0)]; var data = new byte[array.Length / 8 + (array.Length % 8 != 0 ? 1 : 0)];
var dataCounter = 0; var dataCounter = 0;
for (var i = 0; i < array.Length; i += 8) for (var i = 0; i < array.Length; i += 8)
@ -213,7 +214,7 @@ namespace FFXIVClassic.Common
{ {
if (i + bitCount >= array.Length) if (i + bitCount >= array.Length)
break; break;
data[dataCounter] = (byte) (((array[i + bitCount] ? 1 : 0) << 7 - bitCount) | data[dataCounter]); data[dataCounter] = (byte)(((array[i + bitCount] ? 1 : 0) << 7 - bitCount) | data[dataCounter]);
} }
dataCounter++; dataCounter++;
} }
@ -225,10 +226,130 @@ namespace FFXIVClassic.Common
{ {
var lookup = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; var lookup = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
var secondDigit = lookup.Substring((int) Math.Floor(number/(double) lookup.Length), 1); var secondDigit = lookup.Substring((int)Math.Floor(number / (double)lookup.Length), 1);
var firstDigit = lookup.Substring(number%lookup.Length, 1); var firstDigit = lookup.Substring(number % lookup.Length, 1);
return secondDigit + firstDigit; return secondDigit + firstDigit;
} }
public static string FFXIVLoginStringDecodeBinary(string path)
{
Console.OutputEncoding = System.Text.Encoding.UTF8;
byte[] data = File.ReadAllBytes(path);
int offset = 0x5405a;
//int offset = 0x5425d;
//int offset = 0x53ea0;
while (true)
{
string result = "";
uint key = (uint)data[offset + 0] << 8 | data[offset + 1];
uint key2 = data[offset + 2];
key = RotateRight(key, 1) & 0xFFFF;
key -= 0x22AF;
key &= 0xFFFF;
key2 = key2 ^ key;
key = RotateRight(key, 1) & 0xFFFF;
key -= 0x22AF;
key &= 0xFFFF;
uint finalKey = key;
key = data[offset + 3];
uint count = (key2 & 0xFF) << 8;
key = key ^ finalKey;
key &= 0xFF;
count |= key;
int count2 = 0;
while (count != 0)
{
uint encrypted = data[offset + 4 + count2];
finalKey = RotateRight(finalKey, 1) & 0xFFFF;
finalKey -= 0x22AF;
finalKey &= 0xFFFF;
encrypted = encrypted ^ (finalKey & 0xFF);
result += (char)encrypted;
count--;
count2++;
}
offset += 4 + count2;
}
}
public static string FFXIVLoginStringDecode(byte[] data)
{
string result = "";
uint key = (uint)data[0] << 8 | data[1];
uint key2 = data[2];
key = RotateRight(key, 1) & 0xFFFF;
key -= 0x22AF;
key2 = key2 ^ key;
key = RotateRight(key, 1) & 0xFFFF;
key -= 0x22AF;
uint finalKey = key;
key = data[3];
uint count = (key2 & 0xFF) << 8;
key = key ^ finalKey;
key &= 0xFF;
count |= key;
int count2 = 0;
while (count != 0)
{
uint encrypted = data[4 + count2];
finalKey = RotateRight(finalKey, 1) & 0xFFFF;
finalKey -= 0x22AF;
encrypted = encrypted ^ (finalKey & 0xFF);
result += (char)encrypted;
count--;
count2++;
}
return result;
}
public static byte[] FFXIVLoginStringEncode(uint key, string text)
{
key = key & 0xFFFF;
uint count = 0;
byte[] asciiBytes = Encoding.ASCII.GetBytes(text);
byte[] result = new byte[4 + text.Length];
for (count = 0; count < text.Length; count++)
{
result[result.Length - count - 1] = (byte)(asciiBytes[asciiBytes.Length - count - 1] ^ (key & 0xFF));
key += 0x22AF;
key &= 0xFFFF;
key = RotateLeft(key, 1) & 0xFFFF;
}
count = count ^ key;
result[3] = (byte)(count & 0xFF);
key += 0x22AF & 0xFFFF;
key = RotateLeft(key, 1) & 0xFFFF;
result[2] = (byte)(key & 0xFF);
key += 0x22AF & 0xFFFF;
key = RotateLeft(key, 1) & 0xFFFF;
result[1] = (byte)(key & 0xFF);
result[0] = (byte)((key >> 8) & 0xFF);
return result;
}
public static uint RotateLeft(uint value, int bits)
{
return (value << bits) | (value >> (16 - bits));
}
public static uint RotateRight(uint value, int bits)
{
return (value >> bits) | (value << (16 - bits));
}
} }
} }