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v0.5.5
nfs2iso2nfs/Program.cs
FIX94 5c5724abb6
addded -instantcc and -nocc options
2017-10-03 09:09:23 +02:00

1334 lines
62 KiB
C#
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using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Runtime.InteropServices;
namespace nfs2iso2nfs
{
class Program
{
public const int SECTOR_SIZE = 0x8000;
public const int HEADER_SIZE = 0x200;
public static byte[] WII_COMMON_KEY = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
public const int NFS_SIZE = 0xFA00000;
public static bool dec = false;
public static bool enc = false;
public static bool keepFiles = false;
public static bool keepLegit = false;
public static bool horiz_wiimote = false;
public static bool vert_wiimote = false;
public static bool map_shoulder_to_trigger = false;
public static bool homebrew = false;
public static bool passthrough = false;
public static bool instantcc = false;
public static bool nocc = false;
public static string keyFile = "..\\code\\htk.bin";
public static string isoFile = "game.iso";
public static string wiiKeyFile = "wii_common_key.bin";
public static string nfsDir = "";
public static string fw_file = "..\\code\\fw.img";
static void Main(string[] args)
{
Console.WriteLine();
if (checkArgs(args) == -1)
return;
byte[] key = checkKeyFiles();
if (key == null)
return;
if (dec)
{
byte[] header = getHeader(nfsDir + "\\hif_000000.nfs");
combineNFSFiles("hif.nfs");
EnDecryptNFS("hif.nfs", "hif_dec.nfs", key, buildZero(key.Length), false, header);
if (!keepFiles)
File.Delete("hif.nfs");
unpackNFS("hif_dec.nfs", "hif_unpack.nfs", header);
if (!keepFiles)
File.Delete("hif_dec.nfs");
manipulateISO("hif_unpack.nfs", "game.iso", true);
if (!keepFiles)
File.Delete("hif_unpack.nfs");
}
else if (enc)
{
if (!keepLegit || horiz_wiimote || vert_wiimote || map_shoulder_to_trigger)
DoThePatching(fw_file);
long[] size = manipulateISO(isoFile, "hif_unpack.nfs", false);
byte[] header = packNFS("hif_unpack.nfs", "hif_dec.nfs", size);
if (!keepFiles)
File.Delete("hif_unpack.nfs");
EnDecryptNFS("hif_dec.nfs", "hif.nfs", key, buildZero(key.Length), true, header);
if (!keepFiles)
File.Delete("hif_dec.nfs");
splitNFSFile("hif.nfs");
if (!keepFiles)
File.Delete("hif.nfs");
}
}
public static int checkArgs(string[] args)
{
for (int i = 0; i < args.Length; i++)
switch (args[i])
{
case "-dec":
dec = true;
break;
case "-enc":
enc = true;
break;
case "-keep":
keepFiles = true;
break;
case "-legit":
keepLegit = true;
break;
case "-key":
if (i == args.Length)
return -1;
keyFile = args[i + 1];
i++;
break;
case "-wiikey":
if (i == args.Length)
return -1;
wiiKeyFile = args[i + 1];
i++;
break;
case "-iso":
if (i == args.Length)
return -1;
isoFile = args[i + 1];
i++;
break;
case "-nfs":
if (i == args.Length)
return -1;
nfsDir = args[i + 1];
i++;
break;
case "-fwimg":
if (i == args.Length)
return -1;
fw_file = args[i + 1];
i++;
break;
case "-lrpatch":
map_shoulder_to_trigger = true;
break;
case "-wiimote":
horiz_wiimote = true;
break;
case "-vertical":
vert_wiimote = true;
break;
case "-homebrew":
homebrew = true;
break;
case "-passthrough":
passthrough = true;
break;
case "-instantcc":
instantcc = true;
break;
case "-nocc":
nocc = true;
break;
case "-help":
Console.WriteLine("+++++ NFS2ISO2NFS v0.5.5 +++++");
Console.WriteLine();
Console.WriteLine("-dec Decrypt .nfs files to an .iso file.");
Console.WriteLine("-enc Encrypt an .iso file to .nfs file(s)");
Console.WriteLine("-key <file> Location of AES key file. DEFAULT: code\\htk.bin.");
Console.WriteLine("-wiikey <file> Location of Wii Common key file. DEFAULT: wii_common_key.bin.");
Console.WriteLine("-iso <file> Location of .iso file. DEFAULT: game.iso.");
Console.WriteLine("-nfs <file> Location of .nfs files. DEFAULT: current Directory.");
Console.WriteLine("-fwimg <file> Location of fw.img. DEFAULT: code\\fw.img.");
Console.WriteLine("-keep Don't delete the files produced in intermediate steps.");
Console.WriteLine("-legit Don't patch fw.img to allow fakesigned content");
Console.WriteLine("-lrpatch Map emulated Classic Controller's L & R to Gamepad's ZL & ZR");
Console.WriteLine("-wiimote Emulate a Wii Remote instead of the Classic Controller");
Console.WriteLine("-vertical Remap Wii Remote d-pad for vertical usage (implies -wiimote)");
Console.WriteLine("-homebrew Various patches to enable proper homebrew functionality");
Console.WriteLine("-passthrough Allow homebrew to keep using normal wiimotes with gamepad enabled");
Console.WriteLine("-instantcc Report emulated Classic Controller at the very first check");
Console.WriteLine("-nocc Report that no Classic Controller is connected");
Console.WriteLine("-help Print this text.");
return -1;
default:
break;
}
string dir = Directory.GetCurrentDirectory();
if (!Path.IsPathRooted(keyFile))
keyFile = dir + "\\" + keyFile;
if (!Path.IsPathRooted(isoFile))
isoFile = dir + "\\" + isoFile;
if (!Path.IsPathRooted(wiiKeyFile))
wiiKeyFile = dir + "\\" + wiiKeyFile;
if (!Path.IsPathRooted(nfsDir))
nfsDir = dir + "\\" + nfsDir;
if (!Path.IsPathRooted(fw_file))
fw_file = dir + "\\" + fw_file;
if (map_shoulder_to_trigger && horiz_wiimote || map_shoulder_to_trigger && vert_wiimote)
{
Console.WriteLine("ERROR: Please don't mix patches for Classic Controller and Wii Remote.");
return -1;
}
if (dec || ((!dec && !enc) && File.Exists(nfsDir + "\\hif_000000.nfs")))
{
Console.WriteLine("+++++ NFS2ISO +++++");
Console.WriteLine();
if (dec && !enc && !File.Exists(nfsDir + "\\hif_000000.nfs"))
{
Console.WriteLine("ERROR: .nfs files not found! Exiting...");
return -1;
}
else if ((!dec && !enc) && File.Exists(nfsDir + "\\hif_000000.nfs"))
{
Console.WriteLine("You haven't specified if you want to use nfs2iso or iso2nfs");
Console.WriteLine("Found .nfs files! Assuming you want to use nfs2iso...");
dec = true;
enc = false;
}
}
else if (enc || (((!dec && !enc) || (!dec && !enc)) && File.Exists(isoFile)))
{
Console.WriteLine("+++++ ISO2NFS +++++");
Console.WriteLine();
if (!dec && enc && !File.Exists(isoFile))
{
Console.WriteLine("ERROR: .iso file not found! Exiting...");
return -1;
}
if (!dec && enc && !File.Exists(fw_file))
{
Console.WriteLine("ERROR: fw.img not found! Exiting...");
return -1;
}
else if (((dec && enc) || (!dec && !enc)) && File.Exists(isoFile))
{
Console.WriteLine("You haven't specified if you want to use nfs2iso or iso2nfs");
Console.WriteLine("Found .iso file! Assuming you want to use iso2nfs...");
dec = false;
enc = true;
}
}
else
{
Console.WriteLine("You haven't specified if you want to use nfs2iso or iso2nfs");
Console.WriteLine("Found neither .iso nor .nfs files! Check -help for usage of this program.");
return -1;
}
return 0;
}
public static byte[] checkKeyFiles()
{
Console.WriteLine("Searching for AES key file...");
if (!File.Exists(keyFile))
{
Console.WriteLine("ERROR: Could not find AES key file! Exiting...");
return null;
}
byte[] key = getKey(keyFile);
if (key == null)
{
Console.WriteLine("ERROR: AES key file has wrong file size! Exiting...");
return null;
}
Console.WriteLine("AES key file found!");
if (WII_COMMON_KEY[0] != 0xeb)
{
Console.WriteLine("Wii common key not found in source code. Looking for file...");
if (!File.Exists(wiiKeyFile))
{
Console.WriteLine("ERROR: Could not find Wii common key file! Exiting...");
return null;
}
WII_COMMON_KEY = getKey(wiiKeyFile);
if (key == null)
{
Console.WriteLine("ERROR: Wii common key file has wrong file size! Exiting...");
return null;
}
Console.WriteLine("Wii Common Key file found!");
}
else Console.WriteLine("Wii common key found in source code!");
Console.WriteLine();
return key;
}
public static byte[] getKey(string keyDir)
{
using (var keyFile = new BinaryReader(File.OpenRead(keyDir)))
{
long keySize = keyFile.BaseStream.Length;
if (keySize != 16)
return null;
return keyFile.ReadBytes(0x10);
}
}
public static byte[] buildZero(int size)
{
byte[] iv = new byte[size];
for (int i = 0; i < size; i++)
iv[i] = 0;
return iv;
}
public static void combineNFSFiles(string outFile)
{
using (var nfs = new BinaryWriter(File.OpenWrite(outFile)))
{
Console.WriteLine("Looking for .nfs files...");
int nfsNo = -1;
while (File.Exists(nfsDir + "\\hif_" + String.Format("{0:D6}", nfsNo + 1) + ".nfs"))
nfsNo++;
Console.WriteLine((nfsNo + 1) + " .nfs files found!");
Console.WriteLine("Joining .nfs files...");
Console.WriteLine();
for (int i = 0; i <= nfsNo; i++)
{
Console.WriteLine("Processing hif_" + String.Format("{0:D6}", i) + ".nfs...");
var nfsTemp = new BinaryReader(File.OpenRead(nfsDir + "\\hif_" + String.Format("{0:D6}", i) + ".nfs"));
if (i == 0)
{
nfsTemp.ReadBytes(HEADER_SIZE);
nfs.Write(nfsTemp.ReadBytes((int)nfsTemp.BaseStream.Length - HEADER_SIZE));
}
else nfs.Write(nfsTemp.ReadBytes((int)nfsTemp.BaseStream.Length));
}
}
}
public static void splitNFSFile(string inFile)
{
using (var nfs = new BinaryReader(File.OpenRead(inFile)))
{
Console.WriteLine();
long size = nfs.BaseStream.Length;
int i = 0;
do
{
Console.WriteLine("Building hif_" + String.Format("{0:D6}", i) + ".nfs...");
var nfsTemp = new BinaryWriter(File.OpenWrite(Directory.GetCurrentDirectory() + "\\hif_" + String.Format("{0:D6}", i) + ".nfs"));
nfsTemp.Write(nfs.ReadBytes(size > NFS_SIZE ? NFS_SIZE : (int)size));
size -= NFS_SIZE;
i++;
} while (size > 0);
}
}
public static byte[] getHeader(string inFile)
{
using (var file = new BinaryReader(File.OpenRead(inFile)))
{
return file.ReadBytes(0x200);
}
}
public static long[] manipulateISO(string InFile, string OutFile, bool enc)
{
using (var er = new BinaryReader(File.OpenRead(InFile)))
using (var ew = new BinaryWriter(File.OpenWrite(OutFile)))
{
long[] sizeInfo = new long[2];
Console.WriteLine();
Console.WriteLine("Read partition table...");
Console.WriteLine();
ew.Write(er.ReadBytes(0x40000));
byte[] partitionTable = er.ReadBytes(0x20);
ew.Write(partitionTable);
int[,] partitionInfo = new int[2, 4]; //first coorfinate number of partitions, second offset of partition table
for (byte i = 0; i < 4; i++)
{
partitionInfo[0, i] = partitionTable[0x0 + 0x8 * i] * 0x1000000 + partitionTable[0x1 + 0x8 * i] * 0x10000 + partitionTable[0x2 + 0x8 * i] * 0x100 + partitionTable[0x3 + 0x8 * i];
Console.WriteLine("Number of " + (i + 1) + ". partitions: " + partitionInfo[0, i]);
if (partitionInfo[0, i] == 0)
partitionInfo[1, i] = 0;
else partitionInfo[1, i] = (partitionTable[0x4 + 0x8 * i] * 0x1000000 + partitionTable[0x5 + 0x8 * i] * 0x10000 + partitionTable[0x6 + 0x8 * i] * 0x100 + partitionTable[0x7 + 0x8 * i]) * 0x4;
Console.WriteLine("Partition info table offset: 0x" + Convert.ToString(partitionInfo[1, i], 16));
}
Console.WriteLine();
partitionInfo = sort(partitionInfo, 4);
byte[][] partitionInfoTable = new byte[4][];
List<int> partitionOffsetList = new List<int>();
long curPos = 0x40020;
int k = 0;
for (int i = 0; i < 4; i++)
{
if (partitionInfo[0, i] != 0)
{
ew.Write(er.ReadBytes((int)(partitionInfo[1, i] - curPos)));
curPos += (partitionInfo[1, i] - curPos);
partitionInfoTable[i] = er.ReadBytes(0x8 * partitionInfo[0, i]);
curPos += (0x8 * partitionInfo[0, i]);
for (int j = 0; j < partitionInfo[0, i]; j++)
if (partitionInfoTable[i][0x7 + 0x8 * j] == 0) //check if game partition
{
partitionOffsetList.Add((partitionInfoTable[i][0x0 + 0x8 * j] * 0x1000000 + partitionInfoTable[i][0x1 + 0x8 * j] * 0x10000 + partitionInfoTable[i][0x2 + 0x8 * j] * 0x100 + partitionInfoTable[i][0x3 + 0x8 * j]) * 0x4);
Console.WriteLine("Data partition at offset: 0x" + Convert.ToString(partitionOffsetList[k], 16));
k++;
}
ew.Write(partitionInfoTable[i]);
}
}
Console.WriteLine();
int[] partitionOffsets = partitionOffsetList.ToArray();
partitionOffsets = sort(partitionOffsets, partitionOffsets.Length);
sizeInfo[0] = partitionOffsets[0];
byte[] IV = new byte[0x10];
byte[] decHashTable = new byte[0x400];
byte[] encHashTable = new byte[0x400];
int timer = 0;
int l = 0;
for (int i = 0; i < partitionOffsets.Length; i++)
{
ew.Write(er.ReadBytes((int)(partitionOffsets[i] - curPos)));
curPos += (partitionOffsets[i] - curPos);
ew.Write(er.ReadBytes(0x1BF)); //Write start of partiton
byte[] enc_titlekey = er.ReadBytes(0x10); //read encrypted titlekey
ew.Write(enc_titlekey); //Write encrypted titlekey
ew.Write(er.ReadBytes(0xD)); //Write bytes till titleID
byte[] titleID = er.ReadBytes(0x8); //read titleID
ew.Write(titleID);
for (int j = 0; j < 0x10; j++) //build IV
if (j < 8)
IV[j] = titleID[j];
else IV[j] = 0x0;
ew.Write(er.ReadBytes(0xC0)); //Write bytes till end of ticket
byte[] partitionHeader = er.ReadBytes(0x1FD5C);
long partitionSize = (long)0x4 * (partitionHeader[0x18] * 0x1000000 + partitionHeader[0x19] * 0x10000 + partitionHeader[0x1A] * 0x100 + partitionHeader[0x1B]);
Console.WriteLine("Partition size: 0x" + Convert.ToString(partitionSize, 16));
ew.Write(partitionHeader); //Write bytes till start of partition data
curPos += 0x20000;
curPos += partitionSize;
byte[] titlekey = aes_128_cbc(WII_COMMON_KEY, IV, enc_titlekey, false);
Console.WriteLine("Write game partition " + i + "...");
byte[] Sector = new byte[SECTOR_SIZE];
while (partitionSize >= SECTOR_SIZE)
{
if (timer == 8000)
{
timer = 0;
l++;
Console.WriteLine((l * 256) + " MB processed...");
}
timer++;
// NFS to ISO
if (enc)
{
Array.Clear(IV, 0, 0x10); // clear IV for encrypting hash table
decHashTable = er.ReadBytes(0x400); // read raw hash table from nfs
encHashTable = aes_128_cbc(titlekey, IV, decHashTable, true); // encrypt table
ew.Write(encHashTable); // write encrypted hash table to iso
//quit the loop if already at the end of input file or beyond (avoid the crash)
if (er.BaseStream.Position >= er.BaseStream.Length)
{
break;
}
Array.Copy(encHashTable, 0x3D0, IV, 0, 0x10); // get IV for encrypting the rest
Sector = er.ReadBytes(SECTOR_SIZE - 0x400);
Sector = aes_128_cbc(titlekey, IV, Sector, enc); // encrypt the remaining bytes
}
// ISO to NFS
else
{
Array.Clear(IV, 0, 0x10); // clear IV for decrypting hash table
encHashTable = er.ReadBytes(0x400); // read encrypted hash table from iso
decHashTable = aes_128_cbc(titlekey, IV, encHashTable, false); // decrypt table
ew.Write(decHashTable); // write decrypted hash table to nfs
//quit the loop if already at the end of input file or beyond (avoid the crash)
if (er.BaseStream.Position >= er.BaseStream.Length)
{
break;
}
Array.Copy(encHashTable, 0x3D0, IV, 0, 0x10); // IV for decrypting the remaining data
Sector = er.ReadBytes(SECTOR_SIZE - 0x400);
Sector = aes_128_cbc(titlekey, IV, Sector, false); // decrypt the remaining bytes
}
ew.Write(Sector);
partitionSize -= SECTOR_SIZE;
}
sizeInfo[1] = curPos - sizeInfo[0];
if (partitionSize != 0)
Console.WriteLine("WARNING: Last cluster was not complete. This may be a problem.");
}
if (enc)
{
Console.WriteLine();
Console.WriteLine("Writing zeros...");
long rest;
if (curPos > 0x118240000)
rest = 0x1FB4E0000 - curPos;
else rest = 0x118240000 - curPos;
l = 0;
timer = 0;
while (rest > 0)
{
if (timer == 8000)
{
timer = 0;
l++;
Console.WriteLine((l * 256) + " MB processed...");
}
timer++;
ew.Write(buildZero(rest > SECTOR_SIZE ? SECTOR_SIZE : (int)rest));
rest -= SECTOR_SIZE;
}
return null;
}
else return sizeInfo;
}
}
public static void unpackNFS(string InFile, string OutFile, byte[] header)
{
using (var er = new BinaryReader(File.OpenRead(InFile)))
using (var ew = new BinaryWriter(File.OpenWrite(OutFile)))
{
Console.WriteLine();
Console.WriteLine("Unpacking nfs...");
Console.WriteLine();
int numberOfParts = 0x1000000 * header[0x10] + 0x10000 * header[0x11] + 0x100 * header[0x12] + header[0x13];
Console.WriteLine(numberOfParts + " parts found...");
long start, length;
long pos = 0x0;
long j = 0;
for (int i = 0; i < numberOfParts; i++)
{
start = (long)SECTOR_SIZE * ((long)0x1000000 * (long)header[0x14 + i * 0x8] + (long)0x10000 * (long)header[0x15 + i * 0x8] + (long)0x100 * (long)header[0x16 + i * 0x8] + (long)header[0x17 + i * 0x8]);
length = (long)SECTOR_SIZE * ((long)0x1000000 * (long)header[0x18 + i * 0x8] + (long)0x10000 * (long)header[0x19 + i * 0x8] + (long)0x100 * (long)header[0x1A + i * 0x8] + (long)header[0x1B + i * 0x8]);
j = start - pos;
Console.WriteLine("Writing zero segment " + i + " of size 0x" + Convert.ToString(j, 16));
while (j > 0)
{
ew.Write(buildZero(SECTOR_SIZE));
j -= SECTOR_SIZE;
}
Console.WriteLine("Writing data segment " + i + " of size 0x" + Convert.ToString(length, 16));
j = length;
while (j > 0)
{
ew.Write(er.ReadBytes(SECTOR_SIZE));
j -= SECTOR_SIZE;
}
pos = start + length;
}
}
}
public static byte[] packNFS(string InFile, string OutFile, long[] sizeInfo)
{
using (var er = new BinaryReader(File.OpenRead(InFile)))
using (var ew = new BinaryWriter(File.OpenWrite(OutFile)))
{
Console.WriteLine();
Console.WriteLine("Generating EGGS header...");
byte[] header = new byte[0x200];
for (int i = 0; i < 0x200; i++)
header[i] = 0xff;
header[0x0] = 0x45;
header[0x1] = 0x47;
header[0x2] = 0x47;
header[0x3] = 0x53;
header[0x4] = 0x00;
header[0x5] = 0x01;
header[0x6] = 0x10;
header[0x7] = 0x11;
header[0x8] = 0x00;
header[0x9] = 0x00;
header[0xA] = 0x00;
header[0xB] = 0x00;
header[0xC] = 0x00;
header[0xD] = 0x00;
header[0xE] = 0x00;
header[0xF] = 0x00;
header[0x10] = 0x00;
header[0x11] = 0x00;
header[0x12] = 0x00;
header[0x13] = 0x03;
header[0x14] = 0x00;
header[0x15] = 0x00;
header[0x16] = 0x00;
header[0x17] = 0x00;
header[0x18] = 0x00;
header[0x19] = 0x00;
header[0x1A] = 0x00;
header[0x1B] = 0x01;
header[0x1C] = 0x00;
header[0x1D] = 0x00;
header[0x1E] = 0x00;
header[0x1F] = 0x08;
header[0x20] = 0x00;
header[0x21] = 0x00;
header[0x22] = 0x00;
header[0x23] = 0x02;
header[0x24] = (byte)((sizeInfo[0] / 0x8000) / 0x1000000);
header[0x25] = (byte)(((sizeInfo[0] / 0x8000) / 0x10000) % 0x100);
header[0x26] = (byte)(((sizeInfo[0] / 0x8000) / 0x100) % 0x10000);
header[0x27] = (byte)((sizeInfo[0] / 0x8000) % 0x1000000);
header[0x28] = (byte)((sizeInfo[1] / 0x8000) / 0x1000000);
header[0x29] = (byte)(((sizeInfo[1] / 0x8000) / 0x10000) % 0x100);
header[0x2A] = (byte)(((sizeInfo[1] / 0x8000) / 0x100) % 0x10000);
header[0x2B] = (byte)((sizeInfo[1] / 0x8000) % 0x1000000);
header[0x1FC] = 0x53;
header[0x1FD] = 0x47;
header[0x1FE] = 0x47;
header[0x1FF] = 0x45;
Console.WriteLine("Packing nfs...");
int numberOfParts = 0x1000000 * header[0x10] + 0x10000 * header[0x11] + 0x100 * header[0x12] + header[0x13];
Console.WriteLine("Packing " + numberOfParts + " parts...");
long start, length;
long pos = 0x0;
long j = 0;
for (int i = 0; i < numberOfParts; i++)
{
start = (long)SECTOR_SIZE * ((long)0x1000000 * (long)header[0x14 + i * 0x8] + (long)0x10000 * (long)header[0x15 + i * 0x8] + (long)0x100 * (long)header[0x16 + i * 0x8] + (long)header[0x17 + i * 0x8]);
length = (long)SECTOR_SIZE * ((long)0x1000000 * (long)header[0x18 + i * 0x8] + (long)0x10000 * (long)header[0x19 + i * 0x8] + (long)0x100 * (long)header[0x1A + i * 0x8] + (long)header[0x1B + i * 0x8]);
j = start - pos;
Console.WriteLine("Delete zero segment " + i + " of size 0x" + Convert.ToString(j, 16));
while (j > 0)
{
er.ReadBytes(SECTOR_SIZE);
j -= SECTOR_SIZE;
}
Console.WriteLine("Writing data segment " + i + " of size 0x" + Convert.ToString(length, 16));
j = length;
while (j > 0)
{
ew.Write(er.ReadBytes(SECTOR_SIZE));
j -= SECTOR_SIZE;
}
pos = start + length;
}
return header;
}
}
public static void EnDecryptNFS(string InFile, string OutFile, byte[] key, byte[] iv, bool enc, byte[] header)
{
using (var er = new BinaryReader(File.OpenRead(InFile)))
using (var ew = new BinaryWriter(File.OpenWrite(OutFile)))
{
Console.WriteLine();
if (enc)
{
Console.WriteLine("Writing EGGS header...");
ew.Write(header);
Console.WriteLine("Encrypting hif.nfs...");
}
else
Console.WriteLine("Decrypting hif.nfs...");
Console.WriteLine();
byte[] block_iv = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x00 };
byte[] Sector = new byte[SECTOR_SIZE];
int timer = 0;
int i = 0;
//init size
long leftSize = er.BaseStream.Length;
do
{
if (timer == 8000)
{
timer = 0;
i++;
Console.WriteLine((i * 256) + " MB processed...");
}
timer++;
Sector = er.ReadBytes(leftSize > SECTOR_SIZE ? SECTOR_SIZE : (int)leftSize);
if (ew.BaseStream.Position >= 0x18000) //use the different IVs if writing game partition data
{
iv = block_iv;
}
// ENCRYPTION
if (enc && ew.BaseStream.Position < 0x18000) // if encrypting and not game partition
{
Sector = aes_128_cbc(key, iv, Sector, true); // use zero IV
}
if (enc && ew.BaseStream.Position >= 0x18000) // if encrypting game partition
{
Sector = aes_128_cbc(key, block_iv, Sector, true); // use different IV for each block
block_iv[15]++; // increment the value after writing
if (block_iv[15] == 0) // and go further if necessary
{
block_iv[14]++;
if (block_iv[14] == 0)
{
block_iv[13]++;
if (block_iv[13] == 0)
{
block_iv[12]++; // I suppose it's a 4 byte value...?
} // it won't ever happen anyway
}
}
}
// DECRYPTION
if (!enc && ew.BaseStream.Position < 0x18000) // if decrypting and not game partition
{
Sector = aes_128_cbc(key, iv, Sector, false);
}
if (!enc && ew.BaseStream.Position >= 0x18000) // if decrypting game partition
{
Sector = aes_128_cbc(key, iv, Sector, false); // use different IV for each block
block_iv[15]++; // increment the value after writing
if (block_iv[15] == 0) // and go further if necessary
{
block_iv[14]++;
if (block_iv[14] == 0)
{
block_iv[13]++;
if (block_iv[13] == 0)
{
block_iv[12]++; // I suppose it's a 4 byte value...?
} // it won't ever happen anyway
}
}
}
//write it to outfile
ew.Write(Sector);
//decrease remaining size
leftSize -= SECTOR_SIZE;
//loop till end of file
} while (leftSize > 0);
}
}
public static byte[] aes_128_cbc(byte[] key, byte[] iv, byte[] data, bool enc)
{
byte[] result = new byte[data.Length];
try
{
System.Security.Cryptography.RijndaelManaged rm = new System.Security.Cryptography.RijndaelManaged();
rm.Mode = System.Security.Cryptography.CipherMode.CBC;
rm.Padding = System.Security.Cryptography.PaddingMode.None;
rm.KeySize = 128;
rm.BlockSize = 128;
rm.Key = key;
rm.IV = iv;
if (enc)
using (System.Security.Cryptography.ICryptoTransform itc = rm.CreateEncryptor())
{
result = itc.TransformFinalBlock(data, 0, data.Length);
}
else
using (System.Security.Cryptography.ICryptoTransform itc = rm.CreateDecryptor())
{
result = itc.TransformFinalBlock(data, 0, data.Length);
}
rm.Clear();
return result;
}
catch (System.Security.Cryptography.CryptographicException e)
{
Console.WriteLine("A Cryptographic error occurred: {0}", e.Message);
return null;
}
}
public static int[,] sort(int[,] list, int size)
{
int max = 0;
int maxIndex = 0;
int temp;
for (int j = 0; j < size; j++)
{
for (int i = 0; i < size - j; i++)
if (list[1, i] > max)
{
max = list[1, i];
maxIndex = i;
}
temp = list[0, size - j - 1];
list[0, size - j - 1] = list[0, maxIndex];
list[0, maxIndex] = temp;
temp = list[1, size - j - 1];
list[1, size - j - 1] = list[1, maxIndex];
list[1, maxIndex] = temp;
}
return list;
}
public static int[] sort(int[] list, int size)
{
int max = 0;
int maxIndex = 0;
int temp;
for (int j = 0; j < size; j++)
{
for (int i = 0; i < size - j; i++)
if (list[i] > max)
{
max = list[i];
maxIndex = i;
}
temp = list[size - j - 1];
list[size - j - 1] = list[maxIndex];
list[maxIndex] = temp;
}
return list;
}
[DllImport("msvcrt.dll", CallingConvention = CallingConvention.Cdecl)]
static extern int memcmp(byte[] b1, byte[] b2, long count);
static bool ByteArrayCompare(byte[] b1, byte[] b2)
{
// Validate buffers are the same length.
// This also ensures that the count does not exceed the length of either buffer.
return b1.Length == b2.Length && memcmp(b1, b2, b1.Length) == 0;
}
public static void DoThePatching(string fw_file)
{
var input_ios = new MemoryStream(File.ReadAllBytes(fw_file)); //copy fw.img into a memory stream
Console.WriteLine("Checking fw.img's revision number...");
byte[] buffer_rev = new byte[4];
byte[] rev_pattern = { 0x73, 0x76, 0x6E, 0x2D }; // search for "svn-"
string revision = "";
for (int offset = 0; offset < input_ios.Length - 4; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_rev, 0, 4); // because we read 4 bytes at once
if (ByteArrayCompare(buffer_rev, rev_pattern)) // see if it matches
{
input_ios.Read(buffer_rev, 0, 4);
revision = System.Text.Encoding.UTF8.GetString(buffer_rev, 0, buffer_rev.Length);
break;
}
}
if (revision == "r590")
{
Console.WriteLine("OK, revision 590 detected.");
}
else
{
Console.WriteLine("Warning: {0} detected. These patches are designed for revision 590 only.", revision);
}
Console.WriteLine();
byte[] buffer_4 = new byte[4]; // buffer for 4-byte arrays
byte[] buffer_8 = new byte[8]; // buffer for 8-byte arrays
Console.WriteLine("Patching fw.img.");
if (!keepLegit)
{
Array.Clear(buffer_4, 0, 4);
int patchCount = 0;
byte[] oldHashCheck = { 0x20, 0x07, 0x23, 0xA2 };
byte[] newHashCheck = { 0x20, 0x07, 0x4B, 0x0B };
for (int offset = 0; offset < input_ios.Length - 4; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_4, 0, 4); // because we read 4 bytes at once
if (ByteArrayCompare(buffer_4, oldHashCheck) || ByteArrayCompare(buffer_4, newHashCheck)) // see if it matches one of the patterns
{
input_ios.Seek(offset + 1, SeekOrigin.Begin); // if it does, advance on byte further in
input_ios.WriteByte(0x00); // the output and write a zero
patchCount++;
}
}
if (patchCount == 0)
Console.WriteLine("Fakesign patching: Nothing to patch.");
else
Console.WriteLine("Fakesigning patching finished... (Patches applied: {0})", patchCount);
Console.WriteLine();
}
//map classic controller's L & R to the gamepad's ZL & ZR
if (map_shoulder_to_trigger)
{
Array.Clear(buffer_4, 0, 4);
int patchCount = 0;
byte[] pattern1 = { 0x40, 0x05, 0x46, 0xA9 };
byte[] patch1 = { 0x26, 0x80, 0x40, 0x06 };
byte[] pattern2 = { 0x1C, 0x05, 0x40, 0x35 };
byte[] patch2 = { 0x25, 0x40, 0x40, 0x05 };
byte[] pattern3 = { 0x46, 0x53, 0x42, 0x18 };
byte[] patch3 = { 0x23, 0x10, 0x40, 0x03 };
byte[] pattern4 = { 0x1C, 0x05, 0x80, 0x22 };
byte[] patch4 = { 0x25, 0x40, 0x80, 0x22, 0x40, 0x05 };
for (int offset = 0; offset < input_ios.Length - 4; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_4, 0, 4); // because we read 4 bytes at once
if (ByteArrayCompare(buffer_4, pattern1)) // see if it matches
{
input_ios.Seek(offset, SeekOrigin.Begin); // seek
input_ios.Write(patch1, 0, 4); // and then patch
patchCount++;
}
if (ByteArrayCompare(buffer_4, pattern2)) // see if it matches
{
input_ios.Seek(offset, SeekOrigin.Begin); // seek
input_ios.Write(patch2, 0, 4); // and then patch
patchCount++;
}
if (ByteArrayCompare(buffer_4, pattern3)) // see if it matches
{
input_ios.Seek(offset, SeekOrigin.Begin); // seek
input_ios.Write(patch3, 0, 4); // and then patch
patchCount++;
}
if (ByteArrayCompare(buffer_4, pattern4)) // see if it matches
{
input_ios.Seek(offset, SeekOrigin.Begin); // seek
input_ios.Write(patch4, 0, 6); // and then patch
patchCount++;
}
}
if (patchCount == 0)
Console.WriteLine("LR to ZLZR patching: Nothing to patch.");
else
Console.WriteLine("LR to ZLZR patching finished. (Patches applied: {0})", patchCount);
Console.WriteLine();
}
//enable wii remote emulation
if (horiz_wiimote || vert_wiimote)
{
Array.Clear(buffer_8, 0, 8);
int patchCount = 0;
byte[] pattern = { 0x16, 0x13, 0x1C, 0x02, 0x40, 0x9A, 0x1C, 0x13 };
byte[] patch = { 0x23, 0x00 };
for (int offset = 0; offset < input_ios.Length - 6; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern)) // see if it matches
{
input_ios.Seek(offset, SeekOrigin.Begin); // seek
input_ios.Write(patch, 0, 2); // and then patch
patchCount++;
}
}
if (patchCount == 0)
Console.WriteLine("Wii Remote emulation patching: Nothing to patch.");
else
Console.WriteLine("Wii Remote emulation enabled... (Patches applied: {0})", patchCount);
Console.WriteLine();
}
//enable horizontal wii remote emulation (remap dpad and ab12)
if (vert_wiimote)
{
Array.Clear(buffer_8, 0, 8);
int patchCount = 0;
byte[] pattern = { 0x4A, 0x71, 0x42, 0x13, 0xD0, 0xD2, 0x9B, 0x00 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern)) // see if it matches
{
input_ios.Seek(offset + 0x07, SeekOrigin.Begin);
input_ios.WriteByte(0x02); // dpad left -> down
patchCount++;
input_ios.Seek(offset + 0x0F, SeekOrigin.Begin);
input_ios.WriteByte(0x03); // dpad right -> up
patchCount++;
input_ios.Seek(offset + 0x1D, SeekOrigin.Begin);
input_ios.WriteByte(0x01); // dpad down -> right
patchCount++;
input_ios.Seek(offset + 0x2B, SeekOrigin.Begin);
input_ios.WriteByte(0x00); // dpad up -> left
patchCount++;
input_ios.Seek(offset + 0x65, SeekOrigin.Begin);
input_ios.WriteByte(0x07); // B -> 2
patchCount++;
input_ios.Seek(offset + 0x75, SeekOrigin.Begin);
input_ios.WriteByte(0x06); // A -> 1
patchCount++;
input_ios.Seek(offset + 0x85, SeekOrigin.Begin);
input_ios.WriteByte(0x04); // 1 -> B
patchCount++;
input_ios.Seek(offset + 0x95, SeekOrigin.Begin);
input_ios.WriteByte(0x05); // 2 -> A
patchCount++;
}
}
if (patchCount == 0)
Console.WriteLine("Vertical Wii Remote patching: Nothing to patch.");
else
Console.WriteLine("Vertical Wii Remote emulation enabled... (Patches applied: {0})", patchCount);
Console.WriteLine();
}
// enable proper input support in homebrew
if (homebrew)
{
Console.WriteLine("Homebrew-related patches:");
Array.Clear(buffer_4, 0, 4);
Array.Clear(buffer_8, 0, 8);
int patchCount = 0;
// disable AHBPROT
byte[] pattern_ahbprot = { 0xD0, 0x0B, 0x23, 0x08, 0x43, 0x13, 0x60, 0x0B };
byte[] patch_ahbprot = { 0x46, 0xC0 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern_ahbprot)) // see if it matches
{
Console.WriteLine("* Disabling AHBPROT...");
input_ios.Seek(offset, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_ahbprot, 0, 2); // and then patch
patchCount++;
}
}
//disable MEMPROT
byte[] pattern_memprot = { 0x01, 0x94, 0xB5, 0x00, 0x4B, 0x08, 0x22, 0x01 };
byte[] patch_memprot = { 0x22, 0x00 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern_memprot)) // see if it matches
{
Console.WriteLine("* Disabling MEMPROT...");
input_ios.Seek(offset + 6, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_memprot, 0, 2); // and then patch
patchCount++;
}
}
// nintendont 1
byte[] pattern_nintendont_1 = { 0xB0, 0xBA, 0x1C, 0x0F };
byte[] patch_nintendont_1 = { 0xE5, 0x9F, 0x10, 0x04, 0xE5, 0x91, 0x00, 0x00, 0xE1, 0x2F, 0xFF, 0x10, 0x12, 0xFF, 0xFF, 0xE0 };
for (int offset = 0; offset < input_ios.Length - 4; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_4, 0, 4); // because we read 4 bytes at once
if (ByteArrayCompare(buffer_4, pattern_nintendont_1)) // if it matches
{
Console.WriteLine("* Nintendont patch 1...");
input_ios.Seek(offset - 12, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_nintendont_1, 0, 16); // and then patch
patchCount++;
}
}
//nintendont 2
byte[] pattern_nintendont_2 = { 0x68, 0x4B, 0x2B, 0x06 };
byte[] patch_nintendont_2 = { 0x49, 0x01, 0x47, 0x88, 0x46, 0xC0, 0xE0, 0x01, 0x12, 0xFF, 0xFE, 0x00, 0x22, 0x00, 0x23, 0x01, 0x46, 0xC0, 0x46, 0xC0 };
for (int offset = 0; offset < input_ios.Length - 4; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_4, 0, 4); // because we read 4 bytes at once
if (ByteArrayCompare(buffer_4, pattern_nintendont_2)) // if it matches
{
Console.WriteLine("* Nintendont patch 2...");
input_ios.Seek(offset, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_nintendont_2, 0, 20); // and then patch
patchCount++;
}
}
//nintendont 3
byte[] pattern1_nintendont_3 = { 0x0D, 0x80, 0x00, 0x00, 0x0D, 0x80, 0x00, 0x00 };
byte[] pattern2_nintendont_3 = { 0x00, 0x00, 0x00, 0x02 };
byte[] patch_nintendont_3 = { 0x00, 0x00, 0x00, 0x03 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern1_nintendont_3)) // if it matches
{
input_ios.Seek(offset+0x10, SeekOrigin.Begin);
input_ios.Read(buffer_4, 0, 4);
if (ByteArrayCompare(buffer_4, pattern2_nintendont_3)) // if it matches
{
Console.WriteLine("* Nintendont patch 3...");
input_ios.Seek(offset+0x10, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_nintendont_3, 0, 4); // and then patch
patchCount++;
}
}
}
if (patchCount == 0)
Console.WriteLine("Homebrew patching: Nothing to patch.");
else
Console.WriteLine("Homebrew patching finished... (Patches applied: {0})", patchCount);
Console.WriteLine();
}
// for homebrew: allow wiimote passthrough
if (passthrough)
{
Console.WriteLine("Wiimote Passthrough patching:");
Array.Clear(buffer_4, 0, 4);
Array.Clear(buffer_8, 0, 8);
int patchCount = 0;
//wiimote passthrough
byte[] pattern_passthrough = { 0x20, 0x4B, 0x01, 0x68, 0x18, 0x47, 0x70, 0x00 };
byte[] patch_passthrough = { 0x20, 0x00 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern_passthrough)) // if it matches
{
Console.WriteLine("* Enabling Wii Remote passthrough...");
input_ios.Seek(offset + 3, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_passthrough, 0, 2); // and then patch
patchCount++;
}
}
// the custom function
byte[] pattern_custom_func = { 0x28, 0x00, 0xD0, 0x03, 0x49, 0x02, 0x22, 0x09 };
byte[] patch_custom_func = { 0xF0, 0x04, 0xFF, 0x21, 0x48, 0x02, 0x21, 0x09, 0xF0, 0x04, 0xFE, 0xF9 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern_custom_func)) // if it matches
{
Console.WriteLine("* Writing custom function...");
input_ios.Seek(offset, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_custom_func, 0, 12); // and then patch
patchCount++;
}
}
// call custom function
byte[] pattern_custom_call = { 0xF0, 0x01, 0xFA, 0xB9 };
byte[] patch_custom_call = { 0xF7, 0xFC, 0xFB, 0x95 };
for (int offset = 0; offset < input_ios.Length - 4; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_4, 0, 4); // because we read 4 bytes at once
if (ByteArrayCompare(buffer_4, pattern_custom_call)) // if it matches
{
Console.WriteLine("* Writing call to the custom function...");
input_ios.Seek(offset, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_custom_call, 0, 4); // and then patch
patchCount++;
}
}
if (patchCount == 0)
Console.WriteLine("Wiimote Passthrough patching: Nothing to patch.");
else
Console.WriteLine("Wiimote Passthrough patching finished... (Patches applied: {0})", patchCount);
Console.WriteLine();
}
//for titles that dont immediately detect CC
if (instantcc)
{
Array.Clear(buffer_8, 0, 8);
int patchCount = 0;
byte[] pattern = { 0x78, 0x93, 0x21, 0x10, 0x2B, 0x02, 0xD1, 0xB7 };
byte[] patch = { 0x78, 0x93, 0x21, 0x10, 0x2B, 0x02, 0x46, 0xC0 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern)) // see if it matches
{
input_ios.Seek(offset, SeekOrigin.Begin); // seek
input_ios.Write(patch, 0, 8);
patchCount++;
}
}
if (patchCount == 0)
Console.WriteLine("Instant Classic Controller report patching: Nothing to patch.");
else
Console.WriteLine("Instant Classic Controller report patched... (Patches applied: {0})", patchCount);
Console.WriteLine();
}
//for titles that dont want CC connected
if (nocc)
{
Array.Clear(buffer_8, 0, 8);
int patchCount = 0;
byte[] pattern = { 0x78, 0x93, 0x21, 0x10, 0x2B, 0x02, 0xD1, 0xB7 };
byte[] patch = { 0x78, 0x93, 0x21, 0x10, 0x2B, 0x02, 0xE0, 0xB7 };
for (int offset = 0; offset < input_ios.Length - 8; offset++)
{
input_ios.Position = offset; // set position to advance byte by byte
input_ios.Read(buffer_8, 0, 8); // because we read 8 bytes at once
if (ByteArrayCompare(buffer_8, pattern)) // see if it matches
{
input_ios.Seek(offset, SeekOrigin.Begin); // seek
input_ios.Write(patch, 0, 8);
patchCount++;
}
}
if (patchCount == 0)
Console.WriteLine("No Classic Controller report patching: Nothing to patch.");
else
Console.WriteLine("No Classic Controller report patched... (Patches applied: {0})", patchCount);
Console.WriteLine();
}
// write to disk
//FileStream patched_file = File.OpenWrite("newfw.img"); // for testing
FileStream patched_file = File.OpenWrite(fw_file); // open file
input_ios.WriteTo(patched_file); // write
patched_file.Close();
input_ios.Close();
}
}
}
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