public void Write(Context ctx, Stream input, Stream output, Coordinator pc) { try { long imageSize = pc.OutputSize; string junkId; pc.WriterCheckPoint1WriteReady(out 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); zl.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 += (int)blockSize; } target.Flush(); wrBlk++; mr.Set(); } } }, mr); } Task.WaitAll(tasks); crc.Snapshot("Files"); NCrc readerCrcs; uint validationCrc; pc.WriterCheckPoint2Complete(out readerCrcs, out 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), this.VerifyIsWrite, "GCZ Written"); } catch (Exception ex) { throw pc.SetWriterException(ex, "GczWriter.Write - Compress"); } }
public void Write(Context ctx, Stream inStream, Stream outStream, Coordinator pc) { try { WiiDiscHeaderSection hdr = null; WiiPartitionHeaderSection pHdr = null; string lastPartitionId = null; PartitionType lastPartitionType = PartitionType.Other; NCrc crc = new NCrc(); Crc updateCrc = new Crc(); bool updateRemoved = false; string updateTmpFileName = null; string updateFileName = null; bool extractingUpdate = false; CryptoStream updateCrcStream = null; NStream updateTarget = null; CryptoStream target = null; MemorySection removedUpdateFiller = null; int preservedHashCount = 0; NkitInfo nkitDiscInfo = new NkitInfo(); long fstFileAlignment = -1; WiiPartitionSection lastPart = null; long dstPos = 0; long imageSize = pc.OutputSize; //for Wii: pHdr.PartitionDataLength string ignoreJunkId; pc.WriterCheckPoint1WriteReady(out ignoreJunkId); //wait until read has written the header and set the length NDisc disc = new NDisc(_log, inStream); foreach (IWiiDiscSection s in disc.EnumerateSections(imageSize)) //no fixing, image should be good //ctx.ImageLength { if (s is WiiDiscHeaderSection) { hdr = (WiiDiscHeaderSection)s; hdr.Write8(0x60, 1); hdr.Write8(0x61, 1); fstFileAlignment = ctx?.Settings?.PreserveFstFileAlignment?.FirstOrDefault(a => a.Item1 == hdr.Id8)?.Item2 ?? -1; target = new CryptoStream(outStream, crc, CryptoStreamMode.Write); target.Write(hdr.Data, 0, hdr.Data.Length); //write the header nkitDiscInfo.BytesData += hdr.Size; dstPos += hdr.Size; crc.Snapshot("Disc Header"); } else if (s is WiiPartitionSection) { WiiPartitionSection ps = (WiiPartitionSection)s; WiiHashStore hashes = new WiiHashStore(ps.PartitionDataLength); ScrubManager scrub = ps.Header.ScrubManager; NkitInfo nkitPartInfo = new NkitInfo(); if (ps.Header.Type == PartitionType.Update && ctx.Settings.NkitUpdatePartitionRemoval && hdr.Partitions.Count() > 1) //only remove update if there's more partitions { updateRemoved = true; extractingUpdate = true; pHdr = ps.Header; extractingUpdate = true; updateCrcStream = new CryptoStream(ByteStream.Zeros, updateCrc, CryptoStreamMode.Write); crc.Initialize(); nkitPartInfo.BytesData += disc.WriteRecoveryPartitionData(updateCrcStream, false, ps, 0, out updateTmpFileName, out updateFileName, out updateTarget); _log?.LogDetail(string.Format("Extracted and Removed {0} Recovery Partition: [{1}]", ps.Header.Type.ToString(), SourceFiles.CleanseFileName(ps.Header.Id).PadRight(4))); removedUpdateFiller = new MemorySection(new byte[0x8000]); removedUpdateFiller.Write(0, hdr.Read(0x40000, 0x100)); //backup the original partition table in case it's non standard in some way } else { target.Write(ps.Header.Data, 0, (int)ps.Header.Size); nkitDiscInfo.BytesData += ps.Header.Size; crc.Snapshot(ps.Id + " Hdr"); crc.Crcs.Last().PatchData = ps.Header.Data; dstPos += ps.Header.Size; ps.NewDiscOffset = dstPos; //long written = 0; using (StreamCircularBuffer decrypted = new StreamCircularBuffer(ps.PartitionDataLength, null, null, output => { //read decrypted partition foreach (WiiPartitionGroupSection pg in ps.Sections) { nkitPartInfo.BytesHashesData += (pg.Size / 0x8000 * 0x400); //size of input hashes if (pg.PreserveHashes()) { nkitPartInfo.BytesHashesPreservation += hashes.Preserve(pg.Offset, pg.Decrypted, pg.Size); if (++preservedHashCount >= 1500) //too many will bomb the patch caching when converting back. Something is wrong { throw pc.SetWriterException(new HandledException("Over 1500 hashes preserved, aborting as image is corrupt or poorly scrubbed.")); } } #if !DECRYPT for (int i = 0; i < pg.Size / 0x8000; i++) { output.Write(pg.Decrypted, (i * 0x8000) + 0x400, 0x7c00); } #else output.Write(pg.Decrypted, 0, (int)pg.Size); #endif } })) { long len = partitionWrite(decrypted, crc, target, ps, ctx, pc, nkitPartInfo, scrub, hashes, fstFileAlignment); ps.NewPartitionDataLength = len; dstPos += len; lastPart = ps; } } NkitFormat.LogNkitInfo(nkitPartInfo, _log, ps.Id, false); lastPartitionId = ps.Id; lastPartitionType = ps.Header.Type; } else if (s is WiiFillerSection) { WiiFillerSection fs = (WiiFillerSection)s; ScrubManager scrub = new ScrubManager(null); JunkStream junk = new JunkStream(lastPartitionType != PartitionType.Data ? hdr.ReadString(0, 4) : lastPartitionId, hdr.Read8(6), lastPartitionType == PartitionType.Update ? 0 : imageSize); if (lastPartitionType == PartitionType.Update && updateRemoved) { //preserve the original partition table and update filename target.Write(removedUpdateFiller.Data, 0, (int)removedUpdateFiller.Size); //remove update partition by adding a 32k placeholder. Avoid having a non update partition at 0x50000 nkitDiscInfo.BytesPreservationDiscPadding += removedUpdateFiller.Size; nkitDiscInfo.BytesGaps += fs.Size; dstPos += removedUpdateFiller.Size; crc.Snapshot(string.Format("{0}Replacement Filler", string.IsNullOrEmpty(lastPartitionId) ? "" : (" " + SourceFiles.CleanseFileName(lastPartitionId).PadRight(4)))); if (extractingUpdate) { int storeType; if ((storeType = disc.WriteRecoveryPartitionFiller(updateCrcStream, junk, fs.DiscOffset, true, true, fs, updateTarget, updateTmpFileName, ref updateFileName, updateCrc, true)) != 0) { _log.LogDetail(string.Format("{0}Update recovery partition stored: {1}", storeType == 2 ? "Other " : "", updateFileName)); } extractingUpdate = false; } } else { if (fs.Size != 0) { using (StreamCircularBuffer filler = new StreamCircularBuffer(fs.Size, null, null, output => { foreach (WiiFillerSectionItem item in ((WiiFillerSection)s).Sections) { output.Write(item.Data, 0, (int)item.Size); } })) { Gap gap = new Gap(fs.Size, false); long srcPos = fs.DiscOffset; long gapLen = gap.Encode(filler, ref srcPos, lastPartitionType == PartitionType.Update ? fs.Size : 0x1cL, fs.Size, junk, scrub, target, _log); nkitDiscInfo.BytesPreservationData += gapLen; nkitDiscInfo.BytesGaps += fs.Size; dstPos += gapLen; if (lastPart != null) { lastPart.NewPartitionDataLength += gapLen; } } } //pad partition to 32k int gapLen2 = (int)(dstPos % 0x8000 == 0 ? 0 : 0x8000 - (dstPos % 0x8000)); ByteStream.Zeros.Copy(target, gapLen2); nkitDiscInfo.BytesPreservationDiscPadding += gapLen2; dstPos += gapLen2; if (lastPart != null) { lastPart.NewPartitionDataLength += gapLen2; } if (lastPart != null) { lastPart.Header.WriteUInt32B(0x2bc, (uint)(lastPart.NewPartitionDataLength / 4)); //updates the array in the crc data hdr.Partitions.First(a => a.DiscOffset == lastPart.DiscOffset).DiscOffset = (lastPart.NewDiscOffset - 0x20000); } crc.Snapshot(string.Format("{0}{1}Files+Filler", lastPartitionId ?? "", string.IsNullOrEmpty(lastPartitionId) ? "" : " ")); } } } NkitFormat.LogNkitInfo(nkitDiscInfo, _log, hdr.Id, true); foreach (CrcItem ci in crc.Crcs.Where(a => a.PatchData != null)) { ci.PatchCrc = Crc.Compute(ci.PatchData); } NCrc readerCrcs; uint validationCrc; pc.WriterCheckPoint2Complete(out readerCrcs, out validationCrc, hdr.Data, dstPos); //wait until reader has completed and get crc patches. if (updateRemoved && crc.Crcs.Length > 2) //freeloader wii only has update partition { hdr.RemoveUpdatePartition(crc.Crcs[2].Offset); } hdr.UpdateOffsets(); hdr.WriteString(0x200, 8, "NKIT v01"); //header and version hdr.Write8(0x60, 1); hdr.Write8(0x61, 1); hdr.WriteUInt32B(0x208, readerCrcs.FullCrc(true)); //original crc hdr.WriteUInt32B(0x210, (uint)(imageSize / 4L)); //ctx.ImageLength hdr.WriteUInt32B(0x218, updateCrc.Value); //Update crc - Only if removed crc.Crcs[0].PatchCrc = Crc.Compute(hdr.Data); crc.Crcs[0].PatchData = hdr.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); //update with magic applied pc.WriterCheckPoint3ApplyPatches(crc, false, crc.FullCrc(true), crc.FullCrc(true), this.VerifyIsWrite, "NKit Written"); } catch (Exception ex) { throw pc.SetWriterException(ex, "NkitWriterWii.Write - Convert"); } }
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 pc.WriterCheckPoint1WriteReady(out string 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); List <ConvertFile> conFiles = NkitFormat.GetConvertFstFiles(inStream, imageSize, hdr, fst, true, fstFileAlignment, out string error); //Size isn't important for writing //result.ImageInfo.IsoSize NkitInfo nkitInfo = new NkitInfo { BytesData = srcPos, BytesGaps = 0, BytesJunkFiles = 0, BytesPreservationData = 0, 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 NkitFormat.NkitWriteFileSystem(ctx, nkitInfo, mlt, inStream, ref srcPos, ref dstPos, hdr, fst, ref mainDolAddr, target, nullsPos, js, conFiles, out List <ConvertFile> 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); pc.WriterCheckPoint2Complete(out NCrc readerCrcs, out uint 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), VerifyIsWrite, "NKit Written"); } catch (Exception ex) { throw pc.SetWriterException(ex, "NkitWriterGc.Write - Convert"); } }