public bool Patch(BytePatchPattern.WriteToLog log)
{
FileInfo dllFile = new FileInfo(DllPath);
if (!dllFile.Exists)
{
throw new IOException("File not found");
}
byte[] raw = File.ReadAllBytes(dllFile.FullName);
log("Patching " + dllFile.FullName + "...");
FileInfo dllFileBackup = new FileInfo(dllFile.FullName + ".bck");
if (!dllFileBackup.Exists)
{
File.WriteAllBytes(dllFileBackup.FullName, raw);
log("Backupped to " + dllFileBackup.FullName);
}
if (Program.bytePatchManager.PatchBytes(ref raw, IsImageX64(dllFile.FullName), log))
{
File.WriteAllBytes(dllFile.FullName, raw);
log("Patched and saved successfully " + dllFile.FullName);
return(true);
}
else
{
log("Error trying to patch " + dllFile.FullName);
}
return(false);
}
public bool PatchBytes(ref byte[] raw, bool x64, BytePatchPattern.WriteToLog log)
{
int patches = 0;
foreach (BytePatch patch in BytePatches)
{
if (DisabledGroups.Contains(patch.group))
{
patches++;
continue;
}
Tuple <long, byte[]> addrPattern = patch.pattern.FindAddress(raw, x64, log);
long addr = addrPattern.Item1;
byte[] searchPattern = addrPattern.Item2;
int patchOffset = x64 ? patch.offsetX64 : patch.offsetX86;
byte patchOrigByte = x64 ? patch.origByteX64 : patch.origByteX86;
byte patchPatchByte = x64 ? patch.patchByteX64 : patch.patchByteX86;
if (addr != -1)
{
if (patchOffset < searchPattern.Length && searchPattern[patchOffset] != 0xFF)
{
patchOrigByte = searchPattern[patchOffset]; // The patterns can sometimes start at different places (yes, I'm looking at you, Edge), so the byte in the pattern should be always preferred
}
REDO_CHECKS:
long index = addr + patchOffset;
byte sourceByte = raw[index];
log("Source byte of patch at " + patchOffset + ": " + sourceByte);
if (sourceByte == patchOrigByte)
{
raw[index] = patchPatchByte;
log(index + " => " + patchPatchByte);
patches++;
}
else
{
int patchAlternativeOffset = x64 ? patch.aoffsetX64 : patch.aoffsetX86;
if (patchOffset != patchAlternativeOffset && patchAlternativeOffset != -1) // if the first offset didn't work, try the next one
{
patchOffset = patchAlternativeOffset;
goto REDO_CHECKS;
}
log("Source byte unexpected, should be " + patchOrigByte + "!");
}
}
else
{
log("Couldn't find offset for a patch " + patch.pattern.Name);
}
}
return(patches == BytePatches.Count);
}
public bool PatchBytes(ref byte[] raw, bool x64, BytePatchPattern.WriteToLog log)
{
int patches = 0;
foreach (BytePatch patch in BytePatches)
{
if (DisabledGroups.Contains(patch.group))
{
patches++;
continue;
}
long addr = patch.pattern.FindAddress(raw, x64, log);
int patchOffset = x64 ? patch.offsetX64 : patch.offsetX86;
byte patchOrigByte = x64 ? patch.origByteX64 : patch.origByteX86;
byte patchPatchByte = x64 ? patch.patchByteX64 : patch.patchByteX86;
if (addr != -1)
{
REDO_CHECKS:
long index = addr + patchOffset;
byte sourceByte = raw[index];
log("Source byte of patch at " + patchOffset + ": " + sourceByte);
if (sourceByte == patchOrigByte)
{
raw[index] = patchPatchByte;
log(index + " => " + patchPatchByte);
patches++;
}
else
{
int patchAlternativeOffset = x64 ? patch.aoffsetX64 : patch.aoffsetX86;
if (patchOffset != patchAlternativeOffset && patchAlternativeOffset != -1) // if the first offset didn't work, try the next one
{
patchOffset = patchAlternativeOffset;
goto REDO_CHECKS;
}
log("Source byte unexpected, should be " + patchOrigByte + "!");
}
}
else
{
log("Couldn't find offset for a patch " + patch.pattern.Name);
}
}
return(patches == BytePatches.Count);
}
public bool PatchBytes(ref byte[] raw, bool x64, BytePatchPattern.WriteToLog log)
{
int patches = 0;
foreach (BytePatch patch in BytePatches)
{
if (disabledTypes.Contains(patch.GetType()))
{
patches++;
continue;
}
long addr = patch.pattern.FindAddress(raw, x64, log);
int patchOffset = x64 ? patch.offsetX64 : patch.offsetX86;
byte patchOrigByte = x64 ? patch.origByteX64 : patch.origByteX86;
byte patchPatchByte = x64 ? patch.patchByteX64 : patch.patchByteX86;
if (addr != -1)
{
long index = addr + patchOffset;
byte sourceByte = raw[index];
log("Source byte of patch at " + patchOffset + ": " + sourceByte);
if (sourceByte == patchOrigByte)
{
raw[index] = patchPatchByte;
log(index + " => " + patchPatchByte);
patches++;
}
else
{
log("Source byte unexpected, should be " + patchOrigByte + "!");
}
}
else
{
log("Couldn't find offset for a patch " + patch.pattern.Name);
}
}
return(patches == BytePatches.Count);
}
public void Patch(BytePatchPattern.WriteToLog log)
{
FileInfo dllFile = new FileInfo(DllPath);
if (!dllFile.Exists)
{
throw new IOException("File not found");
}
byte[] raw = File.ReadAllBytes(dllFile.FullName);
if (Program.bytePatchManager.PatchBytes(ref raw, IsImageX64(dllFile.FullName), log))
{
File.WriteAllBytes(dllFile.FullName, raw);
log("Patched and saved successfully " + dllFile.FullName);
}
else
{
log("Error trying to patch " + dllFile.FullName);
}
}
