public void Write(Context ctx, Stream input, Stream output, Coordinator pc)
{
try
{
long imageSize = pc.OutputSize;
pc.WriterCheckPoint1WriteReady(out string junkId); //wait until read has written the header and set the length
MemorySection ms = new MemorySection(new byte[4 + 4 + 8 + 8 + 4 + 4]);
int blockSize = 0x4000;
int blocks = (int)(imageSize / blockSize) + (imageSize % blockSize == 0 ? 0 : 1);
ms.WriteUInt32L(0x00, 0xB10BC001);
ms.WriteUInt32L(0x04, 0); //insert NKIT later
ms.WriteUInt64L(0x08, 0); //size place holder
ms.WriteUInt64L(0x10, (ulong)imageSize);
ms.WriteUInt32L(0x18, (uint)blockSize);
ms.WriteUInt32L(0x1C, (uint)blocks);
MemorySection pnt = new MemorySection(new byte[blocks * 8]);
MemorySection hsh = new MemorySection(new byte[blocks * 4]);
long offset = 0;
NCrc crc = new NCrc();
CryptoStream target = new CryptoStream(output, crc, CryptoStreamMode.Write);
target.Write(ms.Data, 0, (int)ms.Size);
crc.Snapshot("Header");
target.Write(pnt.Data, 0, (int)pnt.Size);
crc.Snapshot("Pointers");
target.Write(hsh.Data, 0, (int)hsh.Size);
crc.Snapshot("Hashes");
long dataOffset = (pnt.Size + hsh.Size + ms.Size); //fso.position
int rdBlk = 0;
int wrBlk = 0;
object rdBlkLock = new object();
object wrBlkLock = new object();
Task[] tasks = new Task[3];
ManualResetEvent mr = new ManualResetEvent(false);
for (int i = 0; i < tasks.Length; i++) //4 threads
{
tasks[i] = (new TaskFactory()).StartNew((object prm) =>
{
ManualResetEvent m = (ManualResetEvent)prm;
int blkIdx;
byte[] rawBlk = new byte[blockSize];
byte[] buff = new byte[blockSize + 0x100];
using (MemoryStream blk = new MemoryStream(buff))
{
while (true)
{
lock (rdBlkLock)
{
blkIdx = rdBlk++;
if (blkIdx >= blocks)
{
return; //no more processing
}
int read = input.Read(rawBlk, 0, (int)Math.Min(imageSize - (blkIdx * blockSize), blockSize));
if (read != blockSize)
{
Array.Clear(rawBlk, read, blockSize - read);
}
}
blk.Position = 0;
ZlibStream zl = new ZlibStream(blk, SharpCompress.Compressors.CompressionMode.Compress, SharpCompress.Compressors.Deflate.CompressionLevel.BestCompression, Encoding.Default)
{
FlushMode = FlushType.Finish
};
zl.Write(rawBlk, 0, blockSize);
zl.Flush();
while (blkIdx != wrBlk)
{
m.WaitOne();
}
mr.Reset();
if (blk.Position < blockSize)
{
target.Write(buff, 0, (int)blk.Position);
pnt.WriteUInt64L(blkIdx * 8, (ulong)(offset));
hsh.WriteUInt32L(blkIdx * 4, adler32(buff, (int)blk.Position));
offset += (int)blk.Position;
}
else
{
target.Write(rawBlk, 0, blockSize);
pnt.WriteUInt64L(blkIdx * 8, (ulong)(offset) | 0x8000000000000000);
hsh.WriteUInt32L(blkIdx * 4, adler32(rawBlk, blockSize));
offset += blockSize;
}
target.Flush();
wrBlk++;
mr.Set();
}
}
}, mr);
}
Task.WaitAll(tasks);
crc.Snapshot("Files");
pc.WriterCheckPoint2Complete(out NCrc readerCrcs, out uint validationCrc, null, dataOffset + offset); //wait until reader has completed and get crc patches.
ms.WriteUInt64L(0x08, (ulong)offset);
crc.Crcs[0].PatchCrc = Crc.Compute(ms.Data);
crc.Crcs[0].PatchData = ms.Data;
crc.Crcs[1].PatchCrc = Crc.Compute(pnt.Data);
crc.Crcs[1].PatchData = pnt.Data;
crc.Crcs[2].PatchCrc = Crc.Compute(hsh.Data);
crc.Crcs[2].PatchData = hsh.Data;
ms.WriteUInt32B(0x04, CrcForce.Calculate(crc.FullCrc(true), output.Length, readerCrcs.FullCrc(true), 0x04, ms.ReadUInt32B(0x04))); //magic to force crc
crc.Crcs[0].PatchCrc = Crc.Compute(ms.Data);
pc.WriterCheckPoint3ApplyPatches(crc, false, crc.FullCrc(true), crc.FullCrc(true), VerifyIsWrite, "GCZ Written");
}
catch (Exception ex)
{
throw pc.SetWriterException(ex, "GczWriter.Write - Compress");
}
}
public void Read(Context ctx, NStream inStream, Stream outStream, Coordinator pc)
{
try
{
DatData data = ctx.Dats;
List <string> addedFiles = new List <string>();
DateTime dt = DateTime.Now;
MemorySection hdr = inStream.DiscHeader;
string idVer = hdr.ReadString(0x200, 8);
if (idVer != "NKIT v01")
{
throw new Exception(string.Format("{0} not supported by this version", idVer));
}
bool isNkit = idVer.StartsWith("NKIT");
uint nkitCrc = hdr.ReadUInt32B(0x208);
uint imageSize = hdr.ReadUInt32B(0x210);
string junkId = hdr.ReadString(0x214, 4);
if (junkId != "\0\0\0\0")
{
inStream.ChangeJunk(junkId);
}
hdr.WriteUInt32B(0x200, 0);
hdr.WriteUInt32B(0x204, 0);
hdr.WriteUInt32B(0x208, 0);
hdr.WriteUInt32B(0x20C, 0);
hdr.WriteUInt32B(0x210, 0);
hdr.WriteUInt32B(0x214, 0);
hdr.WriteUInt32B(0x218, 0);
MemorySection fst;
long mainDolAddr = hdr.ReadUInt32B(0x420);
NCrc crc = new NCrc();
NStream target = new NStream(new CryptoStream(outStream, crc, CryptoStreamMode.Write));
//############################################################################
//# READ DISC START
MemorySection hdrToFst = MemorySection.Read(inStream, hdr.ReadUInt32B(0x424) - hdr.Size);
fst = MemorySection.Read(inStream, hdr.ReadUInt32B(0x428) + (hdr.ReadUInt32B(0x428) % 4 == 0 ? 0 : 4 - (hdr.ReadUInt32B(0x428) % 4)));
long srcPos = hdr.ReadUInt32B(0x424) + fst.Size;
//############################################################################
//# WRITE DISC START
target.Write(hdr.Data, 0, (int)hdr.Size);
pc.ReaderCheckPoint1PreWrite(junkId, hdr.ReadUInt32B(0x208)); //size that we will output from this read
crc.Snapshot("hdr.bin");
target.Write(hdrToFst.Data, 0, (int)hdrToFst.Size); //padded when read
crc.Snapshot("bi2.bin, appldr.bin, main.dol");
target.Write(fst.Data, 0, fst.Data.Length);
crc.Snapshot("fst.bin");
hdrToFst = null; //let this be collected if needed
long dstPos = hdr.ReadUInt32B(0x424) + fst.Size;
long nullsPos = dstPos + 0x1c;
List <ConvertFile> conFiles = NkitFormat.GetConvertFstFiles(inStream, inStream.Length, hdr, fst, true, -1, out string error); //result.ImageInfo.IsoSize
if (conFiles == null)
{
if (error != null)
{
_log?.LogDetail(error);
}
ConvertFile cf = new ConvertFile(inStream.Length - srcPos, true) //result.ImageInfo.IsoSize
{
FstFile = new FstFile(null)
{
DataOffset = hdr.ReadUInt32B(0x424), Offset = hdr.ReadUInt32B(0x424), Length = (int)fst.Size
},
};
dstPos += writeGap(cf, ref nullsPos, ref srcPos, dstPos, inStream, target, true);
}
else
{
//########### FILES
bool firstFile = true;
for (int i = 0; i < conFiles.Count; i++) //read the files and write them out as goodFiles (possible order difference
{
ConvertFile f = conFiles[i];
FstFile ff = f.FstFile;
if (!firstFile) //fst already written
{
//Debug.WriteLine(string.Format(@"{0}>{1} : {2}>{3} : {4} : {5}/{6}", ff.DataOffset.ToString("X8"), dstPos.ToString("X8"), (ff.DataOffset + ff.Length).ToString("X8"), (dstPos + ff.Length).ToString("X8"), ff.Length.ToString("X8"), ff.Path, ff.Name));
if (srcPos < ff.DataOffset)
{
inStream.Copy(ByteStream.Zeros, ff.DataOffset - srcPos); //skip any 32k align padding etc
srcPos += ff.DataOffset - srcPos;
}
//write file
if (ff.DataOffset == mainDolAddr)
{
hdr.WriteUInt32B(0x420, (uint)dstPos);
}
fst.WriteUInt32B(ff.OffsetInFstFile, (uint)dstPos);
dstPos += copyFile(f, ref nullsPos, ref srcPos, dstPos, imageSize, inStream, target);
}
if (dstPos < imageSize)
{
dstPos += writeGap(f, ref nullsPos, ref srcPos, dstPos, inStream, target, i == 0 || i == conFiles.Count - 1);
if (!firstFile)
{
fst.WriteUInt32B(ff.OffsetInFstFile + 4, (uint)ff.Length);
}
}
firstFile = false;
}
}
crc.Snapshot("files");
crc.Crcs[0].PatchCrc = Crc.Compute(hdr.Data);
crc.Crcs[0].PatchData = hdr.Data;
crc.Crcs[2].PatchCrc = Crc.Compute(fst.Data);
crc.Crcs[2].PatchData = fst.Data;
if (imageSize != dstPos)
{
throw pc.SetReaderException(new HandledException("Nkit image read output {0} bytes not the expected {1}!", dstPos.ToString(), imageSize.ToString()));
}
pc.ReaderCheckPoint2Complete(crc, false, nkitCrc, crc.FullCrc(true), VerifyIsWrite, hdr.Data, nkitCrc == crc.FullCrc(true) ? "NKit Valid" : "NKit Invalid");
pc.ReaderCheckPoint3Complete();
}
catch (Exception ex)
{
throw pc.SetReaderException(ex, "NkitReaderGc.Read - Read and convert"); //don't let the writer lock
}
}
public void Read(Context ctx, NStream inStream, Stream outStream, Coordinator pc)
{
if (!Settings.ConfigFileFound)
{
_log?.Log("!! No config file found - This is required to restore and validate images");
}
bool truncatedRvtr = false;
bool write = !(outStream is ByteStream || outStream == Stream.Null);
//ProgressResult result = ctx.Result;
byte[] origHeader = null;
byte[] dataHeader = new byte[256];
uint headerCrc = 0;
uint dataHeaderCrc = 0;
//bool fstMissingWithH3Error = false;
NCrc crc = new NCrc();
CryptoStream target = null;
int h3Errors = 0;
List <string> requiredUpdateFiles = new List <string>();
try
{
//long progress = 0;
string lastPartitionId = "";
bool generateUpdateFiller = false;
bool generateOtherFiller = true;
bool forceFillerJunk = false;
NDisc disc = new NDisc(_log, inStream);
foreach (IWiiDiscSection s in disc.EnumerateSectionsFix(generateUpdateFiller, generateOtherFiller, forceFillerJunk))
{
if (s is WiiDiscHeaderSection)
{
_hdr = (WiiDiscHeaderSection)s;
origHeader = (byte[])_hdr.Data.Clone();
target = new CryptoStream(outStream, crc, CryptoStreamMode.Write);
target.Write(_hdr.Data, 0, _hdr.Data.Length); //write the header
applyPartitionTableFixes(inStream, requiredUpdateFiles, ctx.Settings, ctx.Recovery);
headerCrc = Crc.Compute(_hdr.Data);
crc.Snapshot("Header");
pc.ReaderCheckPoint1PreWrite(null, 0); //size that we will output from this read
}
else if (s is WiiPartitionSection)
{
WiiPartitionSection ps = (WiiPartitionSection)s;
if (!truncatedRvtr && ps.Header.IsRvtR && inStream.RecoverySize == NStream.FullSizeWii5)
{
_log.LogDetail(string.Format("Truncated RVT-R image detected. Pad it with 00 to {0} bytes for NKit to handle it properly", NStream.FullSizeWiiRvtr.ToString()));
truncatedRvtr = true;
}
if (applyFixes(ps.Header, inStream))
{
_hdr.UpdateRepair();
headerCrc = Crc.Compute(_hdr.Data); //recalculate
}
if (ps.Header.Type == PartitionType.Data)
{
if (applyDataPartitionFixes(ps.Header))
{
headerCrc = Crc.Compute(_hdr.Data); //recalculate
}
Array.Copy(ps.Header.Data, dataHeader, dataHeader.Length);
}
target.Write(ps.Header.Data, 0, (int)ps.Header.Size);
foreach (WiiPartitionGroupSection pg in ps.Sections)
{
if (ps.Header.Type == PartitionType.Data && pg.DiscOffset == ps.Header.DiscOffset + ps.Header.Size)
{
Array.Copy(pg.Decrypted, 0x400, dataHeader, 0, dataHeader.Length); //copy out datapartition header (256 bytes)
}
pg.Unscrub(ctx.Recovery.JunkPatches);
h3Errors += pg.H3Errors;
target.Write(pg.Encrypted, 0, (int)pg.Size);
}
if (h3Errors != 0)
{
_log?.LogDetail(string.Format("{0} unrecoverable group errors, this image will now be corrupted due to failed unscrubbing attempts!", h3Errors.ToString()));
}
lastPartitionId = ps.Id;
}
else if (s is WiiFillerSection)
{
WiiFillerSection fs = (WiiFillerSection)s;
if (fs.Size != 0)
{
foreach (WiiFillerSectionItem item in ((WiiFillerSection)s).Sections)
{
target.Write(item.Data, 0, (int)item.Size);
}
}
crc.Snapshot(((WiiFillerSection)s).DiscOffset == 0x50000 ? "[Update Filler]" : lastPartitionId);
}
}
}
catch (Exception ex)
{
throw pc.SetReaderException(ex, "RestoreReaderWii.Restore - Read and repair");
}
try
{
Tuple <string, string, string, uint>[] allParts = ctx.Recovery.WiiUPartsData.Union(ctx.Recovery.WiiUOtherPartsData).ToArray();
uint[] uniqueCrcs = allParts.Select(a => a.Item4).Union(ctx.Settings.RedumpUpdateCrcs.Where(a => !allParts.Any(b => a == b.Item4))).ToArray();
//create a data header based on the modified header
byte[] dataHdr = dataHeader;
dataHeader = (byte[])_hdr.Data.Clone();
Array.Copy(dataHdr, dataHeader, dataHdr.Length);
Array.Clear(dataHeader, 0x60, 2);
dataHeaderCrc = Crc.Compute(dataHeader);
bool isCustom = false;
bool updatePartitionMissing = false;
SortedList <uint, bool> checkCrcs = new SortedList <uint, bool>();
foreach (RedumpEntry r in ctx.Dats.RedumpData)
{
checkCrcs.Add(r.Crc, true);
}
foreach (RedumpEntry r in ctx.Dats.CustomData.Where(a => !checkCrcs.ContainsKey(a.Crc)))
{
checkCrcs.Add(r.Crc, false);
}
HeaderBruteForcer crcMtch = new HeaderBruteForcer(uniqueCrcs, checkCrcs, ctx.Settings.RedumpRegionData, _hdr.Data, dataHeader);
BruteForceCrcResult bfMatch = crcMtch.Match(crc.Crcs);
string updateFilename = allParts?.FirstOrDefault(a => a.Item4 == (bfMatch.UpdateChanged ? bfMatch.UpdateCrc : crc.Crcs[1].Value))?.Item1;
updatePartitionMissing = bfMatch.UpdateChanged && !allParts.Any(a => a.Item4 == bfMatch.UpdateCrc); //matched, but update crc not an update partition
if (bfMatch.HeaderChanged)
{
crc.Crcs[0].PatchCrc = bfMatch.HeaderCrc;
crc.Crcs[0].PatchData = bfMatch.Header;
if (bfMatch.RegionChanged)
{
_log.LogDetail(bfMatch.Region != bfMatch.OriginalRegion ? string.Format("Region changed from {0} to {1}", ((Region)bfMatch.OriginalRegion).ToString(), ((Region)bfMatch.Region).ToString()) : string.Format("Region age ratings changed for {0} region", ((Region)bfMatch.Region).ToString()));
}
}
bool isRecoverable = false;
if (bfMatch.UpdateChanged)
{
if (!updatePartitionMissing)
{
_log?.LogDetail(string.Format("Matched recovery update partition: {0}", updateFilename ?? ""));
crc.Crcs[1].Name = updateFilename ?? string.Format("[UNKNOWN {0}]", bfMatch.UpdateCrc.ToString("X8"));
crc.Crcs[1].PatchCrc = bfMatch.UpdateCrc;
crc.Crcs[1].PatchFile = Path.Combine(ctx.Recovery.WiiUPartsData.Any(a => a.Item4 == bfMatch.UpdateCrc) ? ctx.Settings.RecoveryFilesPath : ctx.Settings.OtherRecoveryFilesPath, updateFilename);
}
else
{
_log?.LogDetail(string.Format("Missing update recovery partition file *_{0}", bfMatch.UpdateCrc.ToString("X8")));
crc.Crcs[1].Name = "Missing Recovery Partition File";
crc.Crcs[1].PatchCrc = bfMatch.UpdateCrc;
crc.Crcs[1].PatchFile = null;
isRecoverable = true;
}
}
else if (!string.IsNullOrEmpty(updateFilename))
{
crc.Crcs[1].Name += string.Format(" [Matches {0}{1}]", updateFilename, isRecoverable ? " (Recoverable)" : "");
}
string resultMsg = "MatchFail";
if (bfMatch.MatchedCrc != 0)
{
if (updatePartitionMissing)
{
resultMsg = string.Format("Match {0} (Recoverable: missing update partition {1})", isCustom ? "Custom" : "Redump", bfMatch.UpdateCrc.ToString("X8"));
}
else
{
resultMsg = string.Format("Match {0}", isCustom ? "Custom" : "Redump");
}
}
pc.ReaderCheckPoint2Complete(crc, isRecoverable, crc.FullCrc(true), crc.FullCrc(true), this.VerifyIsWrite, bfMatch?.Header ?? _hdr.Data, resultMsg);
pc.ReaderCheckPoint3Complete();
}
catch (Exception ex)
{
throw pc.SetReaderException(ex, "RestoreReaderWii.Read - Read and repair"); //don't let the writer lock
}
}
public void Write(Context ctx, Stream inStream, Stream outStream, Coordinator pc)
{
try
{
long mlt = 1L; //for Wii: 4L
long imageSize = pc.OutputSize; //for Wii: pHdr.PartitionDataLength
string junkId;
pc.WriterCheckPoint1WriteReady(out junkId); //wait until read has written the header and set the length
List <string> addedFiles = new List <string>();
NCrc crc = new NCrc();
long srcPos;
long dstPos = 0;
MemorySection hdr = MemorySection.Read(inStream, 0x440);
string id8 = string.Concat(hdr.ReadString(0, 6), hdr.Data[6].ToString("X2"), hdr.Data[7].ToString("X2"));
if (junkId == null)
{
junkId = ctx.Settings.JunkIdSubstitutions.FirstOrDefault(a => a.Id8 == id8)?.JunkId;
if (junkId != null)
{
_log?.LogDetail(string.Format("Using ID {0} for junk not image ID {1}", junkId, id8.Substring(0, 4)));
}
}
if (junkId == null)
{
junkId = hdr.ReadString(0, 4);
}
MemorySection fst;
List <JunkDiff> junkDiffs = new List <JunkDiff>();
long mainDolAddr = hdr.ReadUInt32B(0x420) * mlt;
long fstFileAlignment = ctx?.Settings?.PreserveFstFileAlignment?.FirstOrDefault(a => a.Item1 == id8)?.Item2 ?? -1;
CryptoStream target = new CryptoStream(outStream, crc, CryptoStreamMode.Write);
//############################################################################
//# READ DISC START
target.Write(hdr.Data, 0, (int)hdr.Size);
crc.Snapshot("hdr.bin");
inStream.Copy(target, (hdr.ReadUInt32B(0x424) * mlt) - hdr.Size);
crc.Snapshot("bi2.bin, appldr.bin, main.dol");
//read fst with 4 byte boundary
fst = MemorySection.Read(inStream, (hdr.ReadUInt32B(0x428) * mlt) + (((hdr.ReadUInt32B(0x428) * mlt) % 4 == 0 ? 0 : 4 - ((hdr.ReadUInt32B(0x428) * mlt) % 4))));
target.Write(fst.Data, 0, (int)fst.Size);
crc.Snapshot("fst.bin");
srcPos = (hdr.ReadUInt32B(0x424) * mlt) + fst.Size;
long nullsPos = srcPos + 0x1c;
dstPos = srcPos;
//create as late as possible in case id is swaped - Dairantou Smash Brothers DX (Japan) (Taikenban), Star Wars - Rogue Squadron II (Japan) (Jitsuen-you Sample)
JunkStream js = new JunkStream(junkId, hdr.Read8(6), NStream.FullSizeGameCube);
string error;
List <ConvertFile> conFiles = NkitFormat.GetConvertFstFiles(inStream, imageSize, hdr, fst, true, fstFileAlignment, out error); //Size isn't important for writing //result.ImageInfo.IsoSize
NkitInfo nkitInfo = new NkitInfo();
nkitInfo.BytesData = srcPos;
nkitInfo.BytesGaps = 0;
nkitInfo.BytesJunkFiles = 0;
nkitInfo.BytesPreservationData = 0;
nkitInfo.BytesPreservationDiscPadding = 0;
ScrubManager scrub = new ScrubManager();
if (conFiles == null)
{
if (error != null)
{
_log?.LogDetail(error);
}
ConvertFile cf = new ConvertFile(imageSize - srcPos, true) //Size isn't important for writing //result.ImageInfo.IsoSize
{
FstFile = new FstFile(null)
{
DataOffset = hdr.ReadUInt32B(0x424), Offset = hdr.ReadUInt32B(0x424), Length = (int)fst.Size
},
};
NkitFormat.ProcessGap(ref nullsPos, cf, ref srcPos, inStream, js, true, scrub, target, _log);
}
else
{
//############################################################################
//# WRITE THE FILESYSTEM
List <ConvertFile> missing;
NkitFormat.NkitWriteFileSystem(ctx, nkitInfo, mlt, inStream, ref srcPos, ref dstPos, hdr, fst, ref mainDolAddr, target, nullsPos, js, conFiles, out missing, scrub, imageSize, _log);
if (missing.Count != 0)
{
_log?.LogDetail(string.Format("{0} Junk File{1} Removed (Files listed in the FST, but not in the image)", missing.Count.ToString(), missing.Count == 1 ? "" : "s"));
foreach (ConvertFile cf in missing)
{
_log?.LogDebug(string.Format("File content is Junk {0}: {1} - Size: {2}", cf.FstFile.DataOffset.ToString("X8"), cf.FstFile.Name, cf.FstFile.Length));
}
}
}
if (dstPos % 0x800 != 0)
{
long l = 0x800 - (dstPos % 0x800);
ByteStream.Zeros.Copy(target, l);
dstPos += l;
nkitInfo.BytesPreservationDiscPadding += l;
}
crc.Snapshot("files");
NkitFormat.LogNkitInfo(nkitInfo, _log, hdr.ReadString(0, 4), true);
NCrc readerCrcs;
uint validationCrc;
pc.WriterCheckPoint2Complete(out readerCrcs, out validationCrc, hdr.Data, dstPos); //wait until reader has completed and get crc patches.
hdr.WriteUInt32B(0x420, (uint)mainDolAddr);
hdr.WriteString(0x200, 8, "NKIT v01"); //header and version
hdr.WriteUInt32B(0x208, readerCrcs.FullCrc(true)); //original crc
hdr.WriteUInt32B(0x210, (uint)imageSize); //result.ImageInfo.IsoSize);
hdr.WriteString(0x214, 4, hdr.ReadString(0, 4) != junkId ? junkId : "\0\0\0\0");
crc.Crcs[0].PatchCrc = Crc.Compute(hdr.Data);
crc.Crcs[0].PatchData = hdr.Data;
crc.Crcs[2].PatchCrc = Crc.Compute(fst.Data);
crc.Crcs[2].PatchData = fst.Data;
hdr.WriteUInt32B(0x20C, CrcForce.Calculate(crc.FullCrc(true), dstPos, readerCrcs.FullCrc(true), 0x20C, 0)); //magic to force crc
crc.Crcs[0].PatchCrc = Crc.Compute(hdr.Data);
pc.WriterCheckPoint3ApplyPatches(crc, false, crc.FullCrc(true), crc.FullCrc(true), this.VerifyIsWrite, "NKit Written");
}
catch (Exception ex)
{
throw pc.SetWriterException(ex, "NkitWriterGc.Write - Convert");
}
}
private long partitionStreamWrite(LongRef outSize, Stream inStream, Stream target, long size, DatData settingsData, NkitPartitionPatchInfo patchInfo, WiiHashStore hashes, Coordinator pc)
{
DatData data = settingsData;
List <string> addedFiles = new List <string>();
DateTime dt = DateTime.Now;
MemorySection hdr = MemorySection.Read(inStream, 0x440);
long srcPos = hdr.Size;
long outPos = 0;
long imageSize = 0;
try
{
if (hdr.ReadString(0, 4) == "\0\0\0\0")
{
long nullsPos = 0;
long fileLength = -1;
LongRef gapLength = new LongRef()
{
Value = -1
};
target.Write(hdr.Data, 0, (int)hdr.Size);
MemorySection sz = MemorySection.Read(inStream, 4);
srcPos += 4;
outPos += hdr.Size;
imageSize = sz.ReadUInt32B(0) * 4L;
outSize.Value = NStream.HashedLenToData(imageSize);
JunkStream junk = new JunkStream(hdr.Read(0, 4), hdr.Read8(6), outSize.Value); //SET LENGTH FROM HEADER
outPos += writeGap(ref fileLength, gapLength, ref nullsPos, ref srcPos, outPos, inStream, target, junk, true, patchInfo.ScrubManager);
}
else
{
string idVer = hdr.ReadString(0x200, 8);
if (idVer != "NKIT v01")
{
throw new Exception(string.Format("{0} not supported by this version", idVer));
}
bool isNkit = idVer.StartsWith("NKIT");
imageSize = NStream.HashedLenToData((hdr.ReadUInt32B(0x210) * 4L));
outSize.Value = imageSize;
string junkId = hdr.ReadString(0x214, 4);
JunkStream junk = new JunkStream(hdr.Read(0, 4), hdr.Read8(6), imageSize); //SET LENGTH FROM HEADER
MemorySection fst;
long mainDolAddr = hdr.ReadUInt32B(0x420);
//############################################################################
//# READ DISC START
MemorySection hdrToFst = MemorySection.Read(inStream, (hdr.ReadUInt32B(0x424) * 4L) - hdr.Size);
srcPos += hdrToFst.Size;
fst = MemorySection.Read(inStream, hdr.ReadUInt32B(0x428) * 4L);
long postFstPos = (hdr.ReadUInt32B(0x424) * 4L) + fst.Size;
srcPos += fst.Size;
hashes.WriteFlagsData(imageSize, inStream);
srcPos += hashes.FlagsLength;
patchInfo.PartitionDataHeader = hdr;
patchInfo.Fst = fst;
//############################################################################
//# WRITE DISC START
target.Write(hdr.Data, 0, (int)hdr.Size);
target.Write(hdrToFst.Data, 0, (int)hdrToFst.Size); //padded when read
target.Write(fst.Data, 0, fst.Data.Length);
hdrToFst = null; //let this be collected if needed
outPos = (hdr.ReadUInt32B(0x424) * 4L) + fst.Size;
long nullsPos = outPos + 0x1c;
List <ConvertFile> conFiles = NkitFormat.GetConvertFstFiles(inStream, size, hdr, fst, false, -1, out string error);
if (conFiles == null)
{
if (error != null)
{
_log?.LogDetail(error);
}
ConvertFile cf = new ConvertFile(imageSize - srcPos, true) //result.ImageInfo.IsoSize
{
FstFile = new FstFile(null)
{
DataOffset = hdr.ReadUInt32B(0x424), Offset = hdr.ReadUInt32B(0x424), Length = (int)fst.Size
},
};
outPos += writeGap(cf, ref nullsPos, ref srcPos, outPos, inStream, target, junk, true, patchInfo.ScrubManager);
}
else
{
conFiles[0].GapLength -= hashes.FlagsLength; //fix for a few customs (no gap between the fst and the first file on the source image, but the hash mask makes it look like there is)
//########### FILES
bool firstFile = true;
for (int i = 0; i < conFiles.Count; i++) //read the files and write them out as goodFiles (possible order difference
{
ConvertFile f = conFiles[i];
FstFile ff = f.FstFile;
if (!firstFile) //fst already written
{
//Debug.WriteLine(string.Format(@"{0}>{1} : {2}>{3} : {4} : {5}/{6}", ff.DataOffset.ToString("X8"), outPos.ToString("X8"), (ff.DataOffset + ff.Length).ToString("X8"), (outPos + ff.Length).ToString("X8"), ff.Length.ToString("X8"), ff.Path, ff.Name));
if (srcPos < ff.DataOffset) //skip any padding (not written for wii currently)
{
inStream.Copy(ByteStream.Zeros, ff.DataOffset - srcPos); //skip any 32k align padding etc
srcPos += ff.DataOffset - srcPos;
}
//write file
if (ff.DataOffset == mainDolAddr)
{
hdr.WriteUInt32B(0x420, (uint)(outPos / 4L));
}
fst.WriteUInt32B(ff.OffsetInFstFile, (uint)(outPos / 4L));
outPos += copyFile(f, ref nullsPos, ref srcPos, outPos, inStream, target);
}
if (outPos < imageSize)
{
long gapLen = writeGap(f, ref nullsPos, ref srcPos, outPos, inStream, target, junk, i == 0 || i == conFiles.Count - 1, patchInfo.ScrubManager);
outPos += gapLen;
if (!firstFile)
{
fst.WriteUInt32B(ff.OffsetInFstFile + 4, (uint)(ff.Length));
}
}
firstFile = false;
}
}
}
return(srcPos);
}
catch (Exception ex)
{
throw pc.SetReaderException(ex, "NkitReaderWii.Read - partitionRead");
}
}
public void Read(Context ctx, NStream inStream, Stream outStream, Coordinator pc)
{
try
{
WiiDiscHeaderSection hdr = (WiiDiscHeaderSection)inStream.DiscHeader;
string idVer = hdr.ReadString(0x200, 8);
if (idVer != "NKIT v01")
{
throw new Exception(string.Format("{0} not supported by this version", idVer));
}
bool isNkit = idVer.StartsWith("NKIT");
uint nkitCrc = hdr.ReadUInt32B(0x208);
long imageSize = hdr.ReadUInt32B(0x210) * 4L;
string junkId = hdr.ReadString(0x214, 4);
uint updatePartitionCrc = hdr.ReadUInt32B(0x218);
MemorySection updateRemovedFiller = null;
long discOffset = 0;
List <NkitPartitionPatchInfo> patchInfos = new List <NkitPartitionPatchInfo>();
discOffset += hdr.Size;
string lastPartitionId = null;
PartitionType lastPartitionType = PartitionType.Other;
NCrc crc = new NCrc();
long dstPos = 0;
long srcPos = hdr.Size;
ScrubManager scrubFiller = new ScrubManager(null);
bool isRecoverable = false;
using (NDisc disc = new NDisc(_log, inStream))
{
hdr.WriteUInt32B(0x200, 0);
hdr.WriteUInt32B(0x204, 0);
hdr.WriteUInt32B(0x208, 0);
hdr.WriteUInt32B(0x20C, 0);
hdr.WriteUInt32B(0x210, 0);
hdr.WriteUInt32B(0x214, 0);
hdr.WriteUInt32B(0x218, 0);
hdr.Write8(0x60, 0);
hdr.Write8(0x61, 0);
CryptoStream crcStream = new CryptoStream(outStream, crc, CryptoStreamMode.Write); //wrap to calculate crc
crcStream.Write(hdr.Data, 0, hdr.Data.Length); //write the header
pc.ReaderCheckPoint1PreWrite(null, nkitCrc); //size that will be output from this read
dstPos += hdr.Size;
crc.Snapshot("Disc Header");
foreach (WiiPartitionInfo part in hdr.Partitions) //already sorted
{
if (updatePartitionCrc != 0 && srcPos == hdr.Size) //write update partition out
{
updateRemovedFiller = MemorySection.Read(inStream, hdr.Partitions.First().DiscOffset - srcPos);
srcPos += updateRemovedFiller.Size;
WiiPartitionInfo firstPart = WiiDiscHeaderSection.CreatePartitionInfos(updateRemovedFiller, 0)?.FirstOrDefault(a => a.Type != PartitionType.Update);
string updateFileName = RecoveryData.GetUpdatePartition(ctx.Settings, updatePartitionCrc);
if (updateFileName != null)
{
using (FileStream pf = File.OpenRead(updateFileName))
{
pf.Copy(crcStream, pf.Length);
dstPos += pf.Length;
}
}
else
{
string msg = string.Format("!! Update partition *_{0} missing - Adding filler. It may be Recoverable", updatePartitionCrc.ToString("X8"));
isRecoverable = true;
_log?.LogDetail(msg);
//throw pc.SetReaderException(new HandledException("Failed to convert: " + msg));
}
ByteStream.Zeros.Copy(crcStream, firstPart.DiscOffset - dstPos); //fill full gap
dstPos += firstPart.DiscOffset - dstPos;
}
NkitPartitionPatchInfo patchInfo = new NkitPartitionPatchInfo()
{
HashGroups = new Dictionary <long, MemorySection>()
};
patchInfos.Add(patchInfo);
if (part.DiscOffset > srcPos)
{
dstPos += writeFiller(ref srcPos, dstPos, dstPos + 0x1cL, inStream, crcStream, new JunkStream(lastPartitionType != PartitionType.Data ? hdr.ReadString(0, 4) : lastPartitionId, hdr.Read8(6), lastPartitionType == PartitionType.Update ? 0 : imageSize), scrubFiller);
inStream.Copy(ByteStream.Zeros, part.DiscOffset - srcPos); //padded to 0x8000
srcPos += part.DiscOffset - srcPos;
}
part.DiscOffset = dstPos; //restore the original position
patchInfo.DiscOffset = dstPos;
patchInfo.PartitionHeader = MemorySection.Read(inStream, 0x20000);
srcPos += patchInfo.PartitionHeader.Size;
long size = patchInfo.PartitionHeader.ReadUInt32B(0x2bc) * 4L;
LongRef origSize = new LongRef()
{
Value = 0
};
WiiPartitionGroupSection wp = null;
WiiPartitionHeaderSection wh = new WiiPartitionHeaderSection(hdr, null, part.DiscOffset, patchInfo.PartitionHeader.Data, patchInfo.PartitionHeader.Data.Length);
MemorySection ph = new MemorySection(new byte[0x8000 * 64]);
long remaining = long.MaxValue;//set after first block read
int groupIndex = 0;
WiiHashStore hashes = new WiiHashStore();
patchInfo.ScrubManager = wh.ScrubManager;
bool patchBlock = false;
StreamCircularBuffer prtStream = null;
try
{
using (prtStream = new StreamCircularBuffer(0, null, null, output => srcPos += partitionStreamWrite(origSize, inStream, output, size, ctx.Dats, patchInfo, hashes, pc)))
{
int gs = 0;
int ge = 0;
int i = 0;
MemoryStream patchBlocks = null;
while (remaining > 0)
{
int blocks = (int)Math.Min(64L, remaining / 0x7c00);
for (int b = 0; b < blocks; b++)
{
prtStream.Read(ph.Data, (b * 0x8000) + 0x400, 0x7c00); //load aligned with no hashes
if (remaining == long.MaxValue) //first loop
{
remaining = origSize.Value;
if (ph.ReadString(0x400 + 0, 4) == "\0\0\0\0")
{
gs = -1;
ge = -1;
blocks = (int)Math.Min(64L, remaining / 0x7c00);
lastPartitionId = ph.ReadString(0x400 + 0, 4);
patchInfo.PartitionHeader.WriteUInt32B(0x2bc, (uint)(NStream.DataToHashedLen(origSize.Value) / 4)); //restore real size
crcStream.Write(patchInfo.PartitionHeader.Data, 0, patchInfo.PartitionHeader.Data.Length);
dstPos += patchInfo.PartitionHeader.Size;
}
else
{
gs = (int)((ph.ReadUInt32B(0x400 + 0x424) * 4L) / (0x7c00L * 64));
ge = (int)(((ph.ReadUInt32B(0x400 + 0x424) * 4L) + (ph.ReadUInt32B(0x400 + 0x428) * 4L)) / (0x7c00L * 64));
if ((int)((part.DiscOffset + (ph.ReadUInt32B(0x400 + 0x428) * 4L)) % (0x7c00L * 64)) == 0)
{
ge--; //don't load the next group if the data will end on the last byte
}
blocks = (int)Math.Min(64L, remaining / 0x7c00);
lastPartitionId = ph.ReadString(0x400 + 0, 4);
patchInfo.PartitionHeader.WriteUInt32B(0x2bc, ph.ReadUInt32B(0x400 + 0x210)); //restore real size
crcStream.Write(patchInfo.PartitionHeader.Data, 0, patchInfo.PartitionHeader.Data.Length);
dstPos += patchInfo.PartitionHeader.Size;
ph.WriteUInt32B(0x400 + 0x200, 0);
ph.WriteUInt32B(0x400 + 0x204, 0);
ph.WriteUInt32B(0x400 + 0x208, 0);
ph.WriteUInt32B(0x400 + 0x20C, 0);
ph.WriteUInt32B(0x400 + 0x210, 0);
ph.WriteUInt32B(0x400 + 0x214, 0);
ph.WriteUInt32B(0x400 + 0x218, 0);
}
wp = new WiiPartitionGroupSection(hdr, wh, ph.Data, part.DiscOffset, blocks * 0x8000, false);
wh.Initialise(wp, origSize.Value);
}
}
if (blocks < 64)
{
Array.Clear(ph.Data, blocks * 0x8000, ph.Data.Length - (blocks * 0x8000)); //clear remaining blocks
}
wp.Populate(groupIndex, ph.Data, dstPos, blocks * 0x8000);
int scrubbed = 0;
for (int bi = 0; bi < blocks; bi++)
{
wp.MarkBlockDirty(bi);
if (patchInfo.ScrubManager.IsBlockScrubbedScanMode(wp.Offset + (bi * 0x8000), out byte byt))
{
wp.SetScrubbed(bi, byt);
scrubbed++;
}
}
bool isFstBlocks = i >= gs && i <= ge;
bool reqHashes = hashes.IsPreserved(wp.Offset); //test with 0 partition based offset
repairBlocks(wp, scrubbed, blocks, false, isFstBlocks); //only test if the hashes aren't preserved (only preserved for scrubbed/customs)
if (reqHashes) //store with disc based offset
{
patchInfo.HashGroups.Add(wp.Offset + part.DiscOffset + patchInfo.PartitionHeader.Size, new MemorySection((byte[])wp.Decrypted.Clone())); //fetch the stored hashed that couldn't be recreated
}
groupIndex++;
bool inFstArea = i >= gs && i <= ge;
if (!patchBlock && (gs == i || reqHashes))
{
patchBlocks = new MemoryStream();
crc.Snapshot(lastPartitionId + " Data");
patchBlock = true;
}
else if (patchBlock && !inFstArea && !reqHashes)
{
crc.Snapshot(lastPartitionId + " Patch");
crc.Crcs.Last().PatchData = patchBlocks.ToArray();
patchBlocks.Dispose();
patchBlock = false;
}
#if DECRYPT
outStream.Write(wp.Decrypted, 0, blocks * 0x8000);
if (i >= gs && i <= ge)
{
fstBlocks.Write(wp.Decrypted, 0, blocks * 0x8000);
}
#else
crcStream.Write(wp.Encrypted, 0, blocks * 0x8000);
if (patchBlock)
{
patchBlocks.Write(wp.Encrypted, 0, blocks * 0x8000);
}
#endif
remaining -= (blocks * 0x7c00);
dstPos += (blocks * 0x8000);
i++;
}
if (patchBlock)
{
crc.Snapshot(lastPartitionId + " Patch");
crc.Crcs.Last().PatchData = patchBlocks.ToArray();
patchBlocks.Dispose();
}
}
if (origSize.Value != prtStream.WriterPosition)
{
throw pc.SetReaderException(new HandledException("Partition read did not write the full amount to the circular buffer before completing"));
}
}
catch (Exception ex)
{
if (prtStream?.WriterException != null)
{
throw pc.SetReaderException(prtStream.WriterException, "Failed reading filesystem");
}
throw pc.SetReaderException(ex, "Failed converting the filesystem");; //writer exception
}
srcPos += hashes.ReadPatchData(part.DiscOffset + patchInfo.PartitionHeader.Size, patchInfo.HashGroups, inStream);
//read hash patches
lastPartitionType = part.Type;
}
if (srcPos < inStream.Length)
{
JunkStream partJunk = new JunkStream(lastPartitionType != PartitionType.Data ? hdr.ReadString(0, 4) : lastPartitionId, hdr.Read8(6), lastPartitionType == PartitionType.Update ? 0 : imageSize);
dstPos += writeFiller(ref srcPos, dstPos, lastPartitionType == PartitionType.Update ? imageSize : dstPos + 0x1cL, inStream, crcStream, partJunk, scrubFiller);
}
}
crc.Snapshot("End");
if (updatePartitionCrc != 0)
{
hdr.Write((int)WiiDiscHeaderSection.PartitionTableOffset, updateRemovedFiller.Data, 0, (int)WiiDiscHeaderSection.PartitionTableLength); //restore the exact partition table if update was removed
}
else
{
hdr.UpdateOffsets(); //just update the table with the new offsets
}
crc.Crcs[0].PatchData = hdr.Data;
foreach (CrcItem ci in crc.Crcs.Where(a => a.PatchData != null))
{
NkitPartitionPatchInfo patchInfo = patchInfos.FirstOrDefault(a => ci.Offset >= a.DiscOffset + a.PartitionHeader.Size && ci.Offset < a.DiscOffset + a.PartitionHeader.Size + a.Size);
if (patchInfo != null)
{
patchGroups(patchInfo, hdr, ci.Offset, ci.PatchData);
}
ci.PatchCrc = Crc.Compute(ci.PatchData);
}
if (imageSize != dstPos)
{
throw pc.SetReaderException(new HandledException("Nkit image read output {0} bytes not the expected {1}!", dstPos.ToString(), imageSize.ToString()));
}
pc.ReaderCheckPoint2Complete(crc, isRecoverable, nkitCrc, crc.FullCrc(true), VerifyIsWrite, hdr.Data, nkitCrc == crc.FullCrc(true) ? "NKit Valid" : "NKit Invalid");
pc.ReaderCheckPoint3Complete();
}
catch (Exception ex)
{
throw pc.SetReaderException(ex, "NkitReaderWii.Read - Read and convert");
}
}