mirror of
https://bitbucket.org/Ioncannon/project-meteor-server.git
synced 2025-04-20 11:47:48 +00:00
Finished writing most of this exe patcher.
This commit is contained in:
Filip Maj
parent
8499eeff39
commit
ab3ca412b3
1 changed files with 315 additions and 34 deletions
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@ -7,11 +7,278 @@ using System.Threading.Tasks;
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namespace Launcher_Editor
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{
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//ffxivboot.exe:
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//Offset
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//0x9663FC: Patch Server Port
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//0x966404: Patch Server URL
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//0x9663FC + 0x400000: Port Offset to search
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//0x966404 + 0x400000: URL Offset to search
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class Program
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{
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static void Main(string[] args)
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{
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Console.WriteLine(FFXIVLoginStringDecodeBinary("C:\\Program Files (x86)\\SquareEnix\\FINAL FANTASY XIV\\ffxivlogin.exe"));
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//Console.WriteLine(FFXIVLoginStringDecodeBinary("C:\\Program Files (x86)\\SquareEnix\\FINAL FANTASY XIV\\ffxivlogin.exe"));
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byte[] exeDataBoot = File.ReadAllBytes("C:\\Program Files (x86)\\SquareEnix\\FINAL FANTASY XIV\\ffxivboot - Copy.exe");
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byte[] exeDataLogin = File.ReadAllBytes("C:\\Program Files (x86)\\SquareEnix\\FINAL FANTASY XIV\\ffxivlogin - Copy.exe");
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string patchPortString = "54996";
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string patchUrlString = "ver01.ffxiv.com";
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string lobbyUrlString = "lobby01.ffxiv.com";
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long patchPortStringOffset = 0;
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long patchUrlStringOffset = 0;
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long lobbyUrlStringOffset = 0;
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long freeSpaceOffset = 0;
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long loginUrlOffset = 0;
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long freeSpaceInLoginOffset = 0;
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Console.WriteLine("---Editing FFXIVBOOT.EXE---");
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patchPortStringOffset = PrintSearch(exeDataBoot, patchPortString);
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patchUrlStringOffset = PrintSearch(exeDataBoot, patchUrlString);
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freeSpaceOffset = PrintFreeSpaceSearch(exeDataBoot);
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Console.WriteLine("Writing \"{0}\" and updating offset to 0x{1:X}.", "80", freeSpaceOffset);
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WriteNewString(exeDataBoot, patchPortStringOffset, "80", freeSpaceOffset);
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Console.WriteLine("Writing \"{0}\" and updating offset to 0x{1:X}.", "127.0.0.1", freeSpaceOffset + 0x20);
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WriteNewString(exeDataBoot, patchUrlStringOffset, "127.0.0.1", freeSpaceOffset + 0x20);
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Console.WriteLine("---Editing FFXIVLOGIN.EXE---");
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loginUrlOffset = PrintEncodedSearch(exeDataLogin, 0x739, "http://account.square-enix.com/account/content/ffxivlogin");
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freeSpaceInLoginOffset = PrintFreeSpaceSearch(exeDataLogin);
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Console.WriteLine("Writing encoded \"{0}\" and updating offset to 0x{1:X}.", "http://127.0.0.1/", freeSpaceInLoginOffset);
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WriteNewStringEncoded(exeDataLogin, loginUrlOffset, 0x739, "http://127.0.0.1/", freeSpaceInLoginOffset);
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File.WriteAllBytes("C:\\Users\\Filip\\Desktop\\ffxivboot_test.exe", exeDataBoot);
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File.WriteAllBytes("C:\\Users\\Filip\\Desktop\\ffxivlogin_test.exe", exeDataLogin);
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}
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public static void WriteNewString(byte[] exeData, long offsetLocation, string newString, long freeSpaceLocation)
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{
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using (MemoryStream memStream = new MemoryStream(exeData))
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{
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using (BinaryWriter binaryWriter = new BinaryWriter(memStream))
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{
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binaryWriter.BaseStream.Seek(offsetLocation, SeekOrigin.Begin);
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binaryWriter.Write((uint)freeSpaceLocation + 0x400000);
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binaryWriter.BaseStream.Seek(freeSpaceLocation, SeekOrigin.Begin);
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binaryWriter.Write(Encoding.ASCII.GetBytes(newString), 0, Encoding.ASCII.GetByteCount(newString) >= 0x20 ? 0x20 : Encoding.ASCII.GetByteCount(newString));
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}
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}
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}
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public static void WriteNewStringEncoded(byte[] exeData, long offsetLocation, uint key, string newString, long freeSpaceLocation)
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{
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byte[] encodedString = FFXIVLoginStringEncode(key, newString);
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using (MemoryStream memStream = new MemoryStream(exeData))
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{
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using (BinaryWriter binaryWriter = new BinaryWriter(memStream))
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{
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//binaryWriter.BaseStream.Seek(offsetLocation, SeekOrigin.Begin);
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//binaryWriter.Write((uint)freeSpaceLocation + 0x400000);
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binaryWriter.BaseStream.Seek(offsetLocation, SeekOrigin.Begin);
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binaryWriter.Write(encodedString);
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}
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}
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}
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public static long PrintSearch(byte[] exeData, string searchString)
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{
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Console.Write("Searching for string \"{0}\"...", searchString);
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long offset = SearchForStringOffset(exeData, searchString);
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if (offset != -1)
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Console.WriteLine(" FOUND @ 0x{0:X}!", offset);
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else
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{
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Console.WriteLine(" ERROR, could not find string.");
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}
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return offset;
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}
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public static long PrintEncodedSearch(byte[] exeData, uint key, string searchString)
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{
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Console.Write("Searching for encoded string \"{0}\"...", searchString);
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long offset = SearchForEncodedStringOffset(exeData, key, searchString);
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if (offset != -1)
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Console.WriteLine(" FOUND @ 0x{0:X}!", offset);
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else
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{
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Console.WriteLine(" ERROR, could not find string.");
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}
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return offset;
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}
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public static long PrintFreeSpaceSearch(byte[] exeData)
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{
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Console.Write("Searching for free space...");
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long freeSpaceOffset = SearchForFreeSpace(exeData);
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if (freeSpaceOffset != -1)
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Console.WriteLine(" FOUND @ 0x{0:X}!", freeSpaceOffset);
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else
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{
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Console.WriteLine(" ERROR, could not find free space.");
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}
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return freeSpaceOffset;
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}
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public static bool EditOffset(long offset, uint value)
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{
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return true;
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}
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public static long SearchForFreeSpace(byte[] exeData)
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{
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using (MemoryStream memStream = new MemoryStream(exeData))
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{
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using (BinaryReader binReader = new BinaryReader(memStream))
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{
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//Find the .data section header
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long textSectionOffset = -1;
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int strCheckoffset = 0;
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while (binReader.BaseStream.Position + 4 < binReader.BaseStream.Length)
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{
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if (binReader.ReadByte() == ".text"[strCheckoffset])
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{
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if (strCheckoffset == 0)
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textSectionOffset = binReader.BaseStream.Position - 1;
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strCheckoffset++;
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if (strCheckoffset == Encoding.ASCII.GetByteCount(".data"))
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break;
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}
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else
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{
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strCheckoffset = 0;
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textSectionOffset = -1;
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}
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}
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//Read in the position and size
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binReader.BaseStream.Seek(textSectionOffset, SeekOrigin.Begin);
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binReader.ReadUInt64();
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uint virtualSize = binReader.ReadUInt32();
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uint address = binReader.ReadUInt32();
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uint sizeOfRawData = binReader.ReadUInt32();
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if (sizeOfRawData - virtualSize < 0x50)
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return -1;
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//Find a spot
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binReader.BaseStream.Seek(address + sizeOfRawData, SeekOrigin.Begin);
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while (binReader.BaseStream.Position >= address + virtualSize)
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{
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binReader.BaseStream.Seek(-0x50, SeekOrigin.Current);
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long newPosition = binReader.BaseStream.Position;
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bool foundNotZero = false;
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for (int i = 0; i < 0x50; i++)
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{
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if (binReader.ReadByte() != 0)
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{
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foundNotZero = true;
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break;
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}
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}
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if (!foundNotZero)
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return newPosition;
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else
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binReader.BaseStream.Seek(newPosition, SeekOrigin.Begin);
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}
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}
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}
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return -1;
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}
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public static long SearchForStringOffset(byte[] exeData, string testString)
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{
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testString += "\0";
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using (MemoryStream memStream = new MemoryStream(exeData))
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{
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using (BinaryReader binReader = new BinaryReader(memStream))
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{
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long strOffset = -1;
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int strCheckoffset = 0;
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while (binReader.BaseStream.Position + 4 < binReader.BaseStream.Length)
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{
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if (binReader.ReadByte() == testString[strCheckoffset])
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{
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if (strCheckoffset == 0)
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strOffset = binReader.BaseStream.Position-1;
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strCheckoffset++;
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if (strCheckoffset == Encoding.ASCII.GetByteCount(testString))
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break;
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}
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else
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{
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strCheckoffset = 0;
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strOffset = -1;
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}
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}
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if (strOffset != -1)
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{
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strOffset += 0x400000;
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binReader.BaseStream.Seek(0, SeekOrigin.Begin);
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while (binReader.BaseStream.Position + 4 < binReader.BaseStream.Length)
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{
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if (binReader.ReadUInt32() == strOffset)
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return binReader.BaseStream.Position - 0x4;
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}
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return -1;
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}
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else
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return -1;
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}
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}
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}
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public static long SearchForEncodedStringOffset(byte[] exeData, uint testKey, string testString)
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{
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byte[] encoded = FFXIVLoginStringEncode(testKey, testString);
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using (MemoryStream memStream = new MemoryStream(exeData))
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{
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using (BinaryReader binReader = new BinaryReader(memStream))
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{
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long strOffset = -1;
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int strCheckoffset = 0;
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while (binReader.BaseStream.Position + 4 < binReader.BaseStream.Length)
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{
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if (binReader.ReadByte() == encoded[strCheckoffset])
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{
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if (strCheckoffset == 0)
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strOffset = binReader.BaseStream.Position - 1;
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strCheckoffset++;
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if (strCheckoffset == encoded.Length)
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break;
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}
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else
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{
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strCheckoffset = 0;
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strOffset = -1;
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}
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}
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return strOffset;
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}
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}
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}
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public static string FFXIVLoginStringDecodeBinary(string path)
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@ -54,40 +321,50 @@ namespace Launcher_Editor
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count2++;
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}
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offset += 4 + count2;
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return result;
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//offset += 4 + count2;
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}
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}
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public static string FFXIVLoginStringDecode(byte[] data)
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{
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string result = "";
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uint key = (uint)data[0] << 8 | data[1];
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uint key2 = data[2];
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key = RotateRight(key, 1) & 0xFFFF;
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key -= 0x22AF;
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key2 = key2 ^ key;
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key = RotateRight(key, 1) & 0xFFFF;
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key -= 0x22AF;
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uint finalKey = key;
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key = data[3];
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uint count = (key2 & 0xFF) << 8;
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key = key ^ finalKey;
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key &= 0xFF;
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count |= key;
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int count2 = 0;
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while (count != 0)
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Console.OutputEncoding = System.Text.Encoding.UTF8;
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while (true)
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{
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uint encrypted = data[4 + count2];
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finalKey = RotateRight(finalKey, 1) & 0xFFFF;
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finalKey -= 0x22AF;
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encrypted = encrypted ^ (finalKey & 0xFF);
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result += (char)encrypted;
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count--;
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count2++;
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}
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string result = "";
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uint key = (uint)data[0] << 8 | data[1];
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uint key2 = data[2];
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key = RotateRight(key, 1) & 0xFFFF;
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key -= 0x22AF;
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key &= 0xFFFF;
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key2 = key2 ^ key;
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key = RotateRight(key, 1) & 0xFFFF;
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key -= 0x22AF;
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key &= 0xFFFF;
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uint finalKey = key;
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key = data[3];
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uint count = (key2 & 0xFF) << 8;
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key = key ^ finalKey;
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key &= 0xFF;
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count |= key;
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return result;
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int count2 = 0;
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while (count != 0)
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{
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uint encrypted = data[4 + count2];
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finalKey = RotateRight(finalKey, 1) & 0xFFFF;
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finalKey -= 0x22AF;
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finalKey &= 0xFFFF;
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encrypted = encrypted ^ (finalKey & 0xFF);
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result += (char)encrypted;
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count--;
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count2++;
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}
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return result;
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//offset += 4 + count2;
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}
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}
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public static byte[] FFXIVLoginStringEncode(uint key, string text)
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@ -102,20 +379,24 @@ namespace Launcher_Editor
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result[result.Length - count - 1] = (byte)(asciiBytes[asciiBytes.Length - count - 1] ^ (key & 0xFF));
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key += 0x22AF;
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key &= 0xFFFF;
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key = RotateLeft(key, 1) & 0xFFFF;
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key = RotateLeft(key, 1);
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key &= 0xFFFF;
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}
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count = count ^ key;
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result[3] = (byte)(count & 0xFF);
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key += 0x22AF & 0xFFFF;
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key = RotateLeft(key, 1) & 0xFFFF;
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key += 0x22AF;
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key &= 0xFFFF;
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key = RotateLeft(key, 1);
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key &= 0xFFFF;
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result[2] = (byte)(key & 0xFF);
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key += 0x22AF & 0xFFFF;
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key = RotateLeft(key, 1) & 0xFFFF;
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key += 0x22AF;
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key &= 0xFFFF;
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key = RotateLeft(key, 1);
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key &= 0xFFFF;
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result[1] = (byte)(key & 0xFF);
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result[0] = (byte)((key >> 8) & 0xFF);
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