public ProtectHeader(RarHeader header, RarCrcBinaryReader reader) : base(header, reader, HeaderType.Protect) { if (IsRar5) { throw new InvalidFormatException("unexpected rar5 record"); } }
private void FillBase(RarHeader baseHeader) { HeadCRC = baseHeader.HeadCRC; HeaderType = baseHeader.HeaderType; Flags = baseHeader.Flags; HeaderSize = baseHeader.HeaderSize; AdditionalSize = baseHeader.AdditionalSize; ReadBytes = baseHeader.ReadBytes; }
private void FillBase(RarHeader baseHeader) { this.HeadCRC = baseHeader.HeadCRC; this.HeaderType = baseHeader.HeaderType; this.Flags = baseHeader.Flags; this.HeaderSize = baseHeader.HeaderSize; this.AdditionalSize = baseHeader.AdditionalSize; this.ReadBytes = baseHeader.ReadBytes; }
internal static RarHeader Create(MarkingBinaryReader reader) { try { RarHeader header = new RarHeader(); reader.Mark(); header.ReadFromReader(reader); header.ReadBytes += reader.CurrentReadByteCount; return(header); } catch (EndOfStreamException) { return(null); } }
internal static RarHeader Create(RarCrcBinaryReader reader, ArchiveEncoding archiveEncoding) { try { RarHeader header = new RarHeader(); header.ArchiveEncoding = archiveEncoding; reader.Mark(); header.ReadStartFromReader(reader); header.ReadBytes += reader.CurrentReadByteCount; return header; } catch (EndOfStreamException) { return null; } }
protected RarHeader(RarHeader header, RarCrcBinaryReader reader, HeaderType headerType) { _headerType = headerType; _isRar5 = header.IsRar5; HeaderCrc = header.HeaderCrc; HeaderCode = header.HeaderCode; HeaderFlags = header.HeaderFlags; HeaderSize = header.HeaderSize; ExtraSize = header.ExtraSize; AdditionalDataSize = header.AdditionalDataSize; ArchiveEncoding = header.ArchiveEncoding; ReadFinish(reader); int n = RemainingHeaderBytes(reader); if (n > 0) { reader.ReadBytes(n); } VerifyHeaderCrc(reader.GetCrc32()); }
private RarHeader ReadNextHeader(Stream stream) { FileHeader header4; RarCryptoBinaryReader reader = new RarCryptoBinaryReader(stream, this.Password); if (this.IsEncrypted) { if (this.Password == null) { throw new CryptographicException("Encrypted Rar archive has no password specified."); } reader.SkipQueue(); byte[] salt = reader.ReadBytes(8); reader.InitializeAes(salt); } RarHeader header = RarHeader.Create(reader); if (header == null) { return(null); } switch (header.HeaderType) { case HeaderType.MarkHeader: return(header.PromoteHeader <MarkHeader>(reader)); case HeaderType.ArchiveHeader: { ArchiveHeader header2 = header.PromoteHeader <ArchiveHeader>(reader); this.IsEncrypted = header2.HasPassword; return(header2); } case HeaderType.FileHeader: header4 = header.PromoteHeader <FileHeader>(reader); switch (this.StreamingMode) { case SharpCompress.IO.StreamingMode.Streaming: { ReadOnlySubStream actualStream = new ReadOnlySubStream(reader.BaseStream, header4.CompressedSize); if (header4.Salt == null) { header4.PackedStream = actualStream; return(header4); } header4.PackedStream = new RarCryptoWrapper(actualStream, this.Password, header4.Salt); return(header4); } case SharpCompress.IO.StreamingMode.Seekable: { header4.DataStartPosition = reader.BaseStream.Position; Stream baseStream = reader.BaseStream; baseStream.Position += header4.CompressedSize; return(header4); } } throw new InvalidFormatException("Invalid StreamingMode"); case HeaderType.ProtectHeader: { ProtectHeader header3 = header.PromoteHeader <ProtectHeader>(reader); switch (this.StreamingMode) { case SharpCompress.IO.StreamingMode.Streaming: Utility.Skip(reader.BaseStream, (long)header3.DataSize); return(header3); case SharpCompress.IO.StreamingMode.Seekable: { Stream stream1 = reader.BaseStream; stream1.Position += header3.DataSize; return(header3); } } throw new InvalidFormatException("Invalid StreamingMode"); } case HeaderType.NewSubHeader: header4 = header.PromoteHeader <FileHeader>(reader); switch (this.StreamingMode) { case SharpCompress.IO.StreamingMode.Streaming: Utility.Skip(reader.BaseStream, header4.CompressedSize); return(header4); case SharpCompress.IO.StreamingMode.Seekable: { header4.DataStartPosition = reader.BaseStream.Position; Stream stream3 = reader.BaseStream; stream3.Position += header4.CompressedSize; return(header4); } } throw new InvalidFormatException("Invalid StreamingMode"); case HeaderType.EndArchiveHeader: return(header.PromoteHeader <EndArchiveHeader>(reader)); } throw new InvalidFormatException("Invalid Rar Header: " + header.HeaderType.ToString()); }
private RarHeader ReadNextHeader(Stream stream) { #if !NO_CRYPTO var reader = new RarCryptoBinaryReader(stream, Options.Password); if (IsEncrypted) { if (Options.Password == null) { throw new CryptographicException("Encrypted Rar archive has no password specified."); } reader.SkipQueue(); byte[] salt = reader.ReadBytes(8); reader.InitializeAes(salt); } #else var reader = new MarkingBinaryReader(stream); #endif RarHeader header = RarHeader.Create(reader); if (header == null) { return(null); } switch (header.HeaderType) { case HeaderType.ArchiveHeader: { var ah = header.PromoteHeader <ArchiveHeader>(reader); IsEncrypted = ah.HasPassword; return(ah); } case HeaderType.MarkHeader: { return(header.PromoteHeader <MarkHeader>(reader)); } case HeaderType.ProtectHeader: { ProtectHeader ph = header.PromoteHeader <ProtectHeader>(reader); // skip the recovery record data, we do not use it. switch (StreamingMode) { case StreamingMode.Seekable: { reader.BaseStream.Position += ph.DataSize; } break; case StreamingMode.Streaming: { reader.BaseStream.Skip(ph.DataSize); } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(ph); } case HeaderType.NewSubHeader: { FileHeader fh = header.PromoteHeader <FileHeader>(reader); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { //skip the data because it's useless? reader.BaseStream.Skip(fh.CompressedSize); } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderType.FileHeader: { FileHeader fh = header.PromoteHeader <FileHeader>(reader); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { var ms = new ReadOnlySubStream(reader.BaseStream, fh.CompressedSize); if (fh.Salt == null) { fh.PackedStream = ms; } else { #if !NO_CRYPTO fh.PackedStream = new RarCryptoWrapper(ms, Options.Password, fh.Salt); #else throw new NotSupportedException("RarCrypto not supported"); #endif } } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderType.EndArchiveHeader: { return(header.PromoteHeader <EndArchiveHeader>(reader)); } default: { throw new InvalidFormatException("Invalid Rar Header: " + header.HeaderType); } } }
public ArchiveHeader(RarHeader header, RarCrcBinaryReader reader) : base(header, reader, HeaderType.Archive) { }
public FileHeader(RarHeader header, RarCrcBinaryReader reader, HeaderType headerType) : base(header, reader, headerType) { }
public ArchiveCryptHeader(RarHeader header, RarCrcBinaryReader reader) : base(header, reader, HeaderType.Crypt) { }
private RarHeader TryReadNextHeader(Stream stream) { RarCrcBinaryReader reader; if (!IsEncrypted) { reader = new RarCrcBinaryReader(stream); } else { if (Options.Password == null) { throw new CryptographicException("Encrypted Rar archive has no password specified."); } reader = new RarCryptoBinaryReader(stream, Options.Password); } var header = RarHeader.TryReadBase(reader, _isRar5, Options.ArchiveEncoding); if (header == null) { return(null); } switch (header.HeaderCode) { case HeaderCodeV.RAR5_ARCHIVE_HEADER: case HeaderCodeV.RAR4_ARCHIVE_HEADER: { var ah = new ArchiveHeader(header, reader); if (ah.IsEncrypted == true) { //!!! rar5 we don't know yet IsEncrypted = true; } return(ah); } case HeaderCodeV.RAR4_PROTECT_HEADER: { var ph = new ProtectHeader(header, reader); // skip the recovery record data, we do not use it. switch (StreamingMode) { case StreamingMode.Seekable: { reader.BaseStream.Position += ph.DataSize; } break; case StreamingMode.Streaming: { reader.BaseStream.Skip(ph.DataSize); } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(ph); } case HeaderCodeV.RAR5_SERVICE_HEADER: { var fh = new FileHeader(header, reader, HeaderType.Service); SkipData(fh, reader); return(fh); } case HeaderCodeV.RAR4_NEW_SUB_HEADER: { var fh = new FileHeader(header, reader, HeaderType.NewSub); SkipData(fh, reader); return(fh); } case HeaderCodeV.RAR5_FILE_HEADER: case HeaderCodeV.RAR4_FILE_HEADER: { var fh = new FileHeader(header, reader, HeaderType.File); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { var ms = new ReadOnlySubStream(reader.BaseStream, fh.CompressedSize); if (fh.R4Salt == null) { fh.PackedStream = ms; } else { fh.PackedStream = new RarCryptoWrapper(ms, Options.Password, fh.R4Salt); } } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderCodeV.RAR5_END_ARCHIVE_HEADER: case HeaderCodeV.RAR4_END_ARCHIVE_HEADER: { return(new EndArchiveHeader(header, reader)); } case HeaderCodeV.RAR5_ARCHIVE_ENCRYPTION_HEADER: { var ch = new ArchiveCryptHeader(header, reader); IsEncrypted = true; return(ch); } default: { throw new InvalidFormatException("Unknown Rar Header: " + header.HeaderCode); } } }
private RarHeader ReadNextHeader(Stream stream) { MarkingBinaryReader reader = new MarkingBinaryReader(stream); RarHeader header = RarHeader.Create(reader); if (header == null) { return(null); } switch (header.HeaderType) { case HeaderType.ArchiveHeader: { return(header.PromoteHeader <ArchiveHeader>(reader)); } case HeaderType.MarkHeader: { return(header.PromoteHeader <MarkHeader>(reader)); } case HeaderType.NewSubHeader: { FileHeader fh = header.PromoteHeader <FileHeader>(reader); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { //skip the data because it's useless? reader.BaseStream.Skip(fh.CompressedSize); } break; default: { throw new InvalidRarFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderType.FileHeader: { FileHeader fh = header.PromoteHeader <FileHeader>(reader); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { ReadOnlySubStream ms = new ReadOnlySubStream(reader.BaseStream, fh.CompressedSize, false); fh.PackedStream = ms; } break; default: { throw new InvalidRarFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderType.EndArchiveHeader: { return(header.PromoteHeader <EndArchiveHeader>(reader)); } default: { throw new InvalidRarFormatException("Invalid Rar Header: " + header.HeaderType.ToString()); } } }
private RarHeader TryReadNextHeader(Stream stream) { RarCrcBinaryReader reader; if (!IsEncrypted) { reader = new RarCrcBinaryReader(stream); } else { #if !NO_CRYPTO if (Options.Password == null) { throw new CryptographicException("Encrypted Rar archive has no password specified."); } reader = new RarCryptoBinaryReader(stream, Options.Password); #else throw new CryptographicException("Rar encryption unsupported on this platform"); #endif } var header = RarHeader.TryReadBase(reader, this.isRar5, Options.ArchiveEncoding); if (header == null) { return(null); } switch (header.HeaderCode) { case HeaderCodeV.Rar5ArchiveHeader: case HeaderCodeV.Rar4ArchiveHeader: { var ah = new ArchiveHeader(header, reader); if (ah.IsEncrypted == true) { //!!! rar5 we don't know yet IsEncrypted = true; } return(ah); } case HeaderCodeV.Rar4ProtectHeader: { var ph = new ProtectHeader(header, reader); // skip the recovery record data, we do not use it. switch (StreamingMode) { case StreamingMode.Seekable: { reader.BaseStream.Position += ph.DataSize; } break; case StreamingMode.Streaming: { reader.BaseStream.Skip(ph.DataSize); } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(ph); } case HeaderCodeV.Rar5ServiceHeader: { var fh = new FileHeader(header, reader, HeaderType.Service); SkipData(fh, reader); return(fh); } case HeaderCodeV.Rar4NewSubHeader: { var fh = new FileHeader(header, reader, HeaderType.NewSub); SkipData(fh, reader); return(fh); } case HeaderCodeV.Rar5FileHeader: case HeaderCodeV.Rar4FileHeader: { var fh = new FileHeader(header, reader, HeaderType.File); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { var ms = new ReadOnlySubStream(reader.BaseStream, fh.CompressedSize); if (fh.R4Salt == null) { fh.PackedStream = ms; } else { #if !NO_CRYPTO fh.PackedStream = new RarCryptoWrapper(ms, Options.Password, fh.R4Salt); #else throw new NotSupportedException("RarCrypto not supported"); #endif } } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderCodeV.Rar5EndArchiveHeader: case HeaderCodeV.Rar4EndArchiveHeader: { return(new EndArchiveHeader(header, reader)); } case HeaderCodeV.Rar5ArchiveEncryptionHeader: { var ch = new ArchiveCryptHeader(header, reader); IsEncrypted = true; return(ch); } default: { throw new InvalidFormatException("Unknown Rar Header: " + header.HeaderCode); } } }
private RarHeader ReadNextHeader(Stream stream) { #if PORTABLE var reader = new MarkingBinaryReader(stream); #else var reader = new RarCryptoBinaryReader(stream, Password); if (IsEncrypted) { reader.SkipQueue(); byte[] salt = reader.ReadBytes(8); reader.InitializeAes(salt); } #endif RarHeader header = RarHeader.Create(reader); if (header == null) { return(null); } switch (header.HeaderType) { case HeaderType.ArchiveHeader: { var ah = header.PromoteHeader <ArchiveHeader>(reader); IsEncrypted = ah.HasPassword; return(ah); } case HeaderType.MarkHeader: { return(header.PromoteHeader <MarkHeader>(reader)); } case HeaderType.NewSubHeader: { FileHeader fh = header.PromoteHeader <FileHeader>(reader); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { //skip the data because it's useless? reader.BaseStream.Skip(fh.CompressedSize); } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderType.FileHeader: { FileHeader fh = header.PromoteHeader <FileHeader>(reader); switch (StreamingMode) { case StreamingMode.Seekable: { fh.DataStartPosition = reader.BaseStream.Position; reader.BaseStream.Position += fh.CompressedSize; } break; case StreamingMode.Streaming: { var ms = new ReadOnlySubStream(reader.BaseStream, fh.CompressedSize); if (fh.Salt == null) { fh.PackedStream = ms; } else { #if PORTABLE throw new NotSupportedException("Encrypted Rar files aren't supported in portable distro."); #else fh.PackedStream = new RarCryptoWrapper(ms, Password, fh.Salt); #endif } } break; default: { throw new InvalidFormatException("Invalid StreamingMode"); } } return(fh); } case HeaderType.EndArchiveHeader: { return(header.PromoteHeader <EndArchiveHeader>(reader)); } default: { throw new InvalidFormatException("Invalid Rar Header: " + header.HeaderType.ToString()); } } }