The-Homebrew-Cloud/nfs2iso2nfs
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faster patching + homebrew patches

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piratesephiroth 2017-09-17 15:58:53 -03:00 committed by GitHub
parent edfe7b9174
commit c01b9f57d2
1 changed files with 476 additions and 94 deletions
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Program.cs
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@ -12,17 +12,22 @@ namespace nfs2iso2nfs
{ {
public const int SECTOR_SIZE = 0x8000; public const int SECTOR_SIZE = 0x8000;
public const int HEADER_SIZE = 0x200; 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 static byte[] WII_COMMON_KEY = { 0xEB, 0xE4, 0x2A, 0x22, 0x5E, 0x85, 0x93, 0xE4, 0x48, 0xD9, 0xC5, 0x45, 0x73, 0x81, 0xAA, 0xF7 };
public const int NFS_SIZE = 0xFA00000; public const int NFS_SIZE = 0xFA00000;
public static bool dec = false; public static bool dec = false;
public static bool enc = false; public static bool enc = false;
public static bool keepFiles = false; public static bool keepFiles = false;
public static bool keepLegit = 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 string keyFile = "..\\code\\htk.bin"; public static string keyFile = "..\\code\\htk.bin";
public static string isoFile = "game.iso"; public static string isoFile = "game.iso";
public static string wiiKeyFile = "wii_common_key.bin"; public static string wiiKeyFile = "wii_common_key.bin";
public static string nfsDir = ""; public static string nfsDir = "";
public static string fwFile = "..\\code\\fw.img"; public static string fw_file = "..\\code\\fw.img";
static void Main(string[] args) static void Main(string[] args)
{ {
@ -48,8 +53,8 @@ namespace nfs2iso2nfs
} }
else if (enc) else if (enc)
{ {
if (!keepLegit) if (!keepLegit || horiz_wiimote || vert_wiimote || map_shoulder_to_trigger)
patchFakeSigning(fwFile); DoThePatching(fw_file);
long[] size = manipulateISO(isoFile, "hif_unpack.nfs", false); long[] size = manipulateISO(isoFile, "hif_unpack.nfs", false);
byte[] header = packNFS("hif_unpack.nfs", "hif_dec.nfs", size); byte[] header = packNFS("hif_unpack.nfs", "hif_dec.nfs", size);
if (!keepFiles) if (!keepFiles)
@ -108,14 +113,27 @@ namespace nfs2iso2nfs
case "-fwimg": case "-fwimg":
if (i == args.Length) if (i == args.Length)
return -1; return -1;
fwFile = args[i + 1]; fw_file = args[i + 1];
i++; i++;
break; 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 "-help": case "-help":
Console.WriteLine("+++++ NFS2ISO2NFS v0.4+++++"); Console.WriteLine("+++++ NFS2ISO2NFS v0.5.2 +++++");
Console.WriteLine(); Console.WriteLine();
Console.WriteLine("-dec Decrypt .nfs files to an .iso file."); Console.WriteLine("-dec Decrypt .nfs files to an .iso file.");
Console.WriteLine("-enc Encrypt an .iso file to -nfs file(s)"); 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("-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("-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("-iso <file> Location of .iso file. DEFAULT: game.iso.");
@ -123,6 +141,10 @@ namespace nfs2iso2nfs
Console.WriteLine("-fwimg <file> Location of fw.img. DEFAULT: code\\fw.img."); 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("-keep Don't delete the files produced in intermediate steps.");
Console.WriteLine("-legit Don't patch fw.img to allow fakesigned content"); 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("-help Print this text."); Console.WriteLine("-help Print this text.");
return -1; return -1;
default: default:
@ -138,8 +160,16 @@ namespace nfs2iso2nfs
wiiKeyFile = dir + "\\" + wiiKeyFile; wiiKeyFile = dir + "\\" + wiiKeyFile;
if (!Path.IsPathRooted(nfsDir)) if (!Path.IsPathRooted(nfsDir))
nfsDir = dir + "\\" + nfsDir; nfsDir = dir + "\\" + nfsDir;
if (!Path.IsPathRooted(fwFile)) if (!Path.IsPathRooted(fw_file))
fwFile = dir + "\\" + fwFile; 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"))) if (dec || ((!dec && !enc) && File.Exists(nfsDir + "\\hif_000000.nfs")))
{ {
@ -147,7 +177,7 @@ namespace nfs2iso2nfs
Console.WriteLine(); Console.WriteLine();
if (dec && !enc && !File.Exists(nfsDir + "\\hif_000000.nfs")) if (dec && !enc && !File.Exists(nfsDir + "\\hif_000000.nfs"))
{ {
Console.WriteLine(".nfs files not found! Exiting..."); Console.WriteLine("ERROR: .nfs files not found! Exiting...");
return -1; return -1;
} }
else if ((!dec && !enc) && File.Exists(nfsDir + "\\hif_000000.nfs")) else if ((!dec && !enc) && File.Exists(nfsDir + "\\hif_000000.nfs"))
@ -158,18 +188,19 @@ namespace nfs2iso2nfs
enc = false; enc = false;
} }
} }
else if (enc || (((!dec && !enc) || (!dec && !enc)) && File.Exists(isoFile))) else if (enc || (((!dec && !enc) || (!dec && !enc)) && File.Exists(isoFile)))
{ {
Console.WriteLine("+++++ ISO2NFS +++++"); Console.WriteLine("+++++ ISO2NFS +++++");
Console.WriteLine(); Console.WriteLine();
if (!dec && enc && !File.Exists(isoFile)) if (!dec && enc && !File.Exists(isoFile))
{ {
Console.WriteLine(".iso file not found! Exiting..."); Console.WriteLine("ERROR: .iso file not found! Exiting...");
return -1; return -1;
} }
if (!dec && enc && !File.Exists(fwFile)) if (!dec && enc && !File.Exists(fw_file))
{ {
Console.WriteLine("fw.img not found! Exiting..."); Console.WriteLine("ERROR: fw.img not found! Exiting...");
return -1; return -1;
} }
else if (((dec && enc) || (!dec && !enc)) && File.Exists(isoFile)) else if (((dec && enc) || (!dec && !enc)) && File.Exists(isoFile))
@ -180,6 +211,7 @@ namespace nfs2iso2nfs
enc = true; enc = true;
} }
} }
else else
{ {
Console.WriteLine("You haven't specified if you want to use nfs2iso or iso2nfs"); Console.WriteLine("You haven't specified if you want to use nfs2iso or iso2nfs");
@ -195,13 +227,13 @@ namespace nfs2iso2nfs
Console.WriteLine("Searching for AES key file..."); Console.WriteLine("Searching for AES key file...");
if (!File.Exists(keyFile)) if (!File.Exists(keyFile))
{ {
Console.WriteLine("Could not find AES key file! Exiting..."); Console.WriteLine("ERROR: Could not find AES key file! Exiting...");
return null; return null;
} }
byte[] key = getKey(keyFile); byte[] key = getKey(keyFile);
if (key == null) if (key == null)
{ {
Console.WriteLine("AES key file has wrong file size! Exiting..."); Console.WriteLine("ERROR: AES key file has wrong file size! Exiting...");
return null; return null;
} }
Console.WriteLine("AES key file found!"); Console.WriteLine("AES key file found!");
@ -211,18 +243,20 @@ namespace nfs2iso2nfs
Console.WriteLine("Wii common key not found in source code. Looking for file..."); Console.WriteLine("Wii common key not found in source code. Looking for file...");
if (!File.Exists(wiiKeyFile)) if (!File.Exists(wiiKeyFile))
{ {
Console.WriteLine("Could not find Wii common key file! Exiting..."); Console.WriteLine("ERROR: Could not find Wii common key file! Exiting...");
return null; return null;
} }
WII_COMMON_KEY = getKey(wiiKeyFile); WII_COMMON_KEY = getKey(wiiKeyFile);
if (key == null) if (key == null)
{ {
Console.WriteLine("Wii common key file has wrong file size! Exiting..."); Console.WriteLine("ERROR: Wii common key file has wrong file size! Exiting...");
return null; return null;
} }
Console.WriteLine("Wii Common Key file found!"); Console.WriteLine("Wii Common Key file found!");
} }
else Console.WriteLine("Wii common key found in source code!"); else Console.WriteLine("Wii common key found in source code!");
Console.WriteLine();
return key; return key;
} }
@ -801,47 +835,395 @@ namespace nfs2iso2nfs
} }
public static void patchFakeSigning(string fwFile) public static void DoThePatching(string fw_file)
{ {
if (File.Exists("fw.img.tmp")) // delete any existent temp 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++)
{ {
File.Delete("fw.img.tmp"); 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;
}
} }
File.Copy(fwFile, "fw.img.tmp"); // create new temp file
using (var in_ios = new BinaryReader(File.OpenRead(fwFile))) if (revision == "r590")
using (var out_ios = new BinaryWriter(File.OpenWrite(Directory.GetCurrentDirectory() + "\\fw.img.tmp")))
{ {
Console.WriteLine("OK, revision 590 detected.");
}
else
{
Console.WriteLine("Warning: {0} detected. These patches are designed for revision 590 only.", revision);
}
Console.WriteLine(); Console.WriteLine();
Console.WriteLine("Patching fw.img to enable fakesigning...");
int patchCount = 0;
byte[] buff = new byte[4];
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[] oldHashCheck = { 0x20, 0x07, 0x23, 0xA2 };
byte[] newHashCheck = { 0x20, 0x07, 0x4B, 0x0B }; byte[] newHashCheck = { 0x20, 0x07, 0x4B, 0x0B };
for (int offset = 0; offset < in_ios.BaseStream.Length - 4; offset++) for (int offset = 0; offset < input_ios.Length - 4; offset++)
{ {
in_ios.BaseStream.Position = offset; // set position to advance byte by byte input_ios.Position = offset; // set position to advance byte by byte
buff = in_ios.ReadBytes(4); // because we read 4 bytes at once input_ios.Read(buffer_4, 0, 4); // because we read 4 bytes at once
if (ByteArrayCompare(buff, oldHashCheck) || ByteArrayCompare(buff, newHashCheck)) // see if it matches one of the patterns
if (ByteArrayCompare(buffer_4, oldHashCheck) || ByteArrayCompare(buffer_4, newHashCheck)) // see if it matches one of the patterns
{ {
out_ios.Seek(offset + 1, SeekOrigin.Begin); // if it does, advance on byte further in input_ios.Seek(offset + 1, SeekOrigin.Begin); // if it does, advance on byte further in
out_ios.Write((byte)0x00); // the output and write a zero 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++; patchCount++;
} }
} }
if (patchCount == 0) if (patchCount == 0)
Console.WriteLine("Nothing to patch"); Console.WriteLine("LR to ZLZR patching: Nothing to patch.");
else else
Console.WriteLine("Patching fakesigning finished... (Patches applied: {0})", patchCount); 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++;
} }
File.Delete(fwFile); // delete original fw.img
File.Copy("fw.img.tmp", fwFile); // replace with patched temp file
File.Delete("fw.img.tmp"); // delete temp file
} }
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)
if (vert_wiimote)
{
Array.Clear(buffer_8, 0, 8);
int patchCount = 0;
byte[] pattern = { 0x00, 0x2B, 0x00, 0xD0, 0x00, 0x80, 0x08, 0x9A };
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);
input_ios.WriteByte(0x02); // dpad left -> down
patchCount++;
input_ios.Seek(offset + 8, SeekOrigin.Begin);
input_ios.WriteByte(0x03); // dpad right -> up
patchCount++;
input_ios.Seek(offset + 0x16, SeekOrigin.Begin);
input_ios.WriteByte(0x01); // dpad down -> right
patchCount++;
input_ios.Seek(offset + 0x24, SeekOrigin.Begin);
input_ios.WriteByte(0x00); // dpad up -> left
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;
//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++;
}
}
// disable AHBPROT
byte[] pattern_ahbprot = { 0x20, 0x00, 0xF0, 0x04, 0xFB, 0x2B, 0x48, 0x29 };
byte[] patch_ahbprot = { 0x20, 0x01 };
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 = { 0x0D, 0x80, 0x01, 0x94, 0xB5, 0x00, 0x4B, 0x08 };
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 + 8, 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[] pattern_nintendont_3 = { 0x0D, 0x80, 0x00, 0x00, 0x0D, 0x80, 0x00, 0x00 };
byte[] patch_nintendont_3 = { 0x0D, 0x80, 0x00, 0x00, 0x0D, 0x80, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 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_nintendont_3)) // if it matches
{
Console.WriteLine("* Nintendont patch 3...");
input_ios.Seek(offset, SeekOrigin.Begin); // seek to offset
input_ios.Write(patch_nintendont_3, 0, 24); // 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();
}
// 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();
}
} }
} }