public CompressedStream(Stream innerStream)
{
InnerStream = innerStream;
zOut = new ZStream();
zOut.deflateInit(5, true);
zOut.next_out = new byte[4096];
zIn = new ZStream();
zIn.inflateInit(true);
zIn.next_in = new byte[4096];
}
public void InitCrypto()
{
_dec = new Salsa20Engine();
_dec.Init(false, new ParametersWithIV(new KeyParameter(_salsaKey02), _salsaIV02));
_enc = new Salsa20Engine();
_enc.Init(true, new ParametersWithIV(new KeyParameter(_salsaKey01), _salsaIV01));
_dStream = new ZStream();
_dStream.deflateInit(-1, -15);
_iStream = new ZStream();
_iStream.inflateInit(-15);
}
private void StartDecompression()
{
if (this is NetworkClient)
{
throw new Exception("Trying to start decompression on Client connection!");
}
if (zStream != null)
{
return;
}
zStream = new ZStream();
zStream.inflateInit();
}
/// <summary>
///
/// </summary>
/// <param name="Block"></param>
/// <returns></returns>
public byte[] ReadBlockDecompressed(uint Block)
{
if (Block >= NumberOfBlocks)
{
return(new byte[0]);
}
var In = ReadBlockCompressed(Block);
// If block is not compressed, get the contents.
if (!Blocks[Block].IsCompressed)
{
return(In);
}
var Out = new byte[this.Header.BlockSize];
In = In.Concat(new byte[] { 0x00 });
var ZStream = new ZStream();
if (ZStream.inflateInit(-15) != zlibConst.Z_OK)
{
throw (new InvalidProgramException("Can't initialize inflater"));
}
try
{
ZStream.next_in = In;
ZStream.next_in_index = 0;
ZStream.avail_in = In.Length;
ZStream.next_out = Out;
ZStream.next_out_index = 0;
ZStream.avail_out = Out.Length;
int Status = ZStream.inflate(zlibConst.Z_FULL_FLUSH);
if (Status != zlibConst.Z_STREAM_END)
{
throw (new InvalidDataException("" + ZStream.msg));
}
}
finally
{
ZStream.inflateEnd();
}
return(Out);
}
public void InitCrypto()
{
Console.WriteLine("Initialized decrypters and inflaters!");
_dec01 = new Salsa20Engine();
_dec01.Init(false, new ParametersWithIV(new KeyParameter(Key02), IV02));
_dec02 = new Salsa20Engine();
_dec02.Init(false, new ParametersWithIV(new KeyParameter(Key01), IV01));
_iStream01 = new ZStream();
_iStream01.inflateInit(-15);
_iStream02 = new ZStream();
_iStream02.inflateInit(-15);
CryptoInit = true;
}
public static byte[] Uncompress(byte[] compressed, int start, int size, int maxUncompressedSize)
{
ZStream stream = new ZStream();
stream.next_in = compressed;
stream.next_in_index = start;
stream.avail_in = compressed.Length;
byte[] uncompressed = new byte[maxUncompressedSize];
stream.next_out = uncompressed;
stream.next_out_index = 0;
stream.avail_out = maxUncompressedSize;
int err = stream.inflateInit();
if (err != zlibConst.Z_OK)
{
return(null);
}
err = stream.inflate(zlibConst.Z_FINISH);
if (err != zlibConst.Z_STREAM_END)
{
stream.inflateEnd();
return(null);
}
int realSize = (int)stream.total_out;
err = stream.inflateEnd();
if (err != zlibConst.Z_OK)
{
return(null);
}
if (realSize < maxUncompressedSize)
{
byte[] temp = new byte[realSize];
Array.Copy(uncompressed, temp, realSize);
return(temp);
}
else
{
return(uncompressed);
}
}
public static PhpString gzdecode(byte[] data, int length = 0)
{
if (length < 0)
{
PhpException.Throw(PhpError.Warning, "length ({0}) must be greater or equal zero", length.ToString());
return(default(PhpString));
}
if (data.Length == 0)
{
return(default(PhpString));
}
if (data.Length < 10 || data[0] != GZIP_HEADER[0] || data[1] != GZIP_HEADER[1])
{
PhpException.Throw(PhpError.Warning, "incorrect gzip header");
return(default(PhpString));
}
var zs = new ZStream();
zs.next_in = data;
zs.next_in_index = GZIP_HEADER_LENGTH;
zs.avail_in = data.Length - GZIP_HEADER_LENGTH;
zs.total_out = 0;
// negative number omits the zlib header (undocumented feature of zlib)
int status = zs.inflateInit(-MAX_WBITS);
if (status == zlibConst.Z_OK)
{
status = zlib_inflate_rounds(zs, length, out byte[] output);
if (status == zlibConst.Z_STREAM_END)
{
zs.inflateEnd();
return(new PhpString(output));
}
}
PhpException.Throw(PhpError.Warning, zError(status) ?? zs.msg);
zs.inflateEnd();
return(default(PhpString));
}
internal Decompress(int wbits)
{
zst = new ZStream();
int err = zst.inflateInit(wbits);
switch (err)
{
case ZlibModule.Z_OK:
break;
case ZlibModule.Z_STREAM_ERROR:
throw PythonOps.ValueError("Invalid initialization option");
default:
throw ZlibModule.zlib_error(this.zst, err, "while creating decompression object");
}
_unused_data = string.Empty;
_unconsumed_tail = string.Empty;
}
/// <summary>
/// Closes any open connections between the Tibia client and game server, and clears
/// any pending packets to be sent.
/// </summary>
private void ResetConnection()
{
if (_isResettingConnection)
{
return;
}
_isResettingConnection = true;
lock (_clientSendLock)
{
_isSendingToClient = false;
_clientSendQueue.Clear();
}
if (_clientSocket != null)
{
_clientSocket.Close();
}
lock (_serverSendLock)
{
_isSendingToServer = false;
_serverSendQueue.Clear();
}
if (_serverSocket != null)
{
_serverSocket.Close();
}
_zStream.deflateEnd();
_zStream.inflateEnd();
_zStream = new ZStream();
_zStream.deflateInit(zlibConst.Z_DEFAULT_COMPRESSION, -15);
_zStream.inflateInit(-15);
_clientSequenceNumber = 1;
_serverSequenceNumber = 1;
_xteaKey = null;
_isResettingConnection = false;
ConnectionState = ConnectionState.ConnectingStage1;
}
/// <summary>
/// Starts the <see cref="HttpListener"/> and <see cref="TcpListener"/> objects that listen for incoming
/// connection requests from the Tibia client.
/// </summary>
/// <returns>Returns true on success, or if already started. Returns false if an exception is thrown.</returns>
internal bool Start(int httpPort = 7171, string loginWebService = "")
{
if (_isStarted)
{
return(true);
}
try
{
if (_tcpListener == null)
{
_tcpListener = new TcpListener(IPAddress.Loopback, 0);
}
var uriPrefix = $"http://127.0.0.1:{httpPort}/";
if (!_httpListener.Prefixes.Contains(uriPrefix))
{
_httpListener.Prefixes.Add(uriPrefix);
}
_zStream.deflateInit(zlibConst.Z_DEFAULT_COMPRESSION, -15);
_zStream.inflateInit(-15);
_httpListener.Start();
_httpListener.BeginGetContext(new AsyncCallback(BeginGetContextCallback), _httpListener);
_tcpListener.Start();
_tcpListener.BeginAcceptSocket(new AsyncCallback(BeginAcceptTcpClientCallback), _tcpListener);
_isStarted = true;
_loginWebService = loginWebService;
ConnectionState = ConnectionState.ConnectingStage1;
}
catch (Exception ex)
{
_isStarted = false;
_client.Logger.Error(ex.ToString());
}
return(_isStarted);
}
private byte[] inflate_file(BinaryReader reader, long length)
{
byte[] uncompressed = new byte[length * 16];
ZStream strm = new ZStream();
strm.next_in = reader.ReadBytes((int)length);
strm.avail_in = (int)length;
strm.avail_out = 0;
var code = strm.inflateInit(-15);
var output = new System.Collections.Generic.List <byte>();
while (code == zlibConst.Z_OK && strm.avail_out == 0)
{
strm.next_out = uncompressed;
strm.avail_out = uncompressed.Length;
code = strm.inflate(zlibConst.Z_SYNC_FLUSH);
switch (code)
{
case zlibConst.Z_OK:
for (int i = 0; i < uncompressed.Length; i++)
{
output.Add(uncompressed[i]);
}
break;
case zlibConst.Z_STREAM_END:
for (int i = 0; i < uncompressed.Length - strm.avail_out; i++)
{
output.Add(uncompressed[i]);
}
break;
}
}
return(output.ToArray());
}
/// <summary>
/// Reimplements function from zlib (uncompress) that is not present in ZLIB.NET.
/// </summary>
/// <param name="dest">Destination array of bytes. May be trimmed if necessary.</param>
/// <param name="source">Source array of bytes.</param>
/// <param name="msg">Eventual message from zstream.</param>
/// <returns>Zlib status code.</returns>
static int ZlibUncompress(ref byte[] dest, byte[] source, out string msg)
{
var zs = new ZStream();
int err;
zs.next_in = source;
zs.avail_in = source.Length;
zs.next_out = dest;
zs.avail_out = dest.Length;
err = zs.inflateInit();
if (err != zlibConst.Z_OK)
{
msg = zs.msg;
return(err);
}
err = zs.inflate(zlibConst.Z_FINISH);
if (err != zlibConst.Z_STREAM_END)
{
zs.inflateEnd();
msg = zs.msg;
return(err == zlibConst.Z_OK ? zlibConst.Z_BUF_ERROR : err);
}
if (zs.total_out != dest.Length)
{
byte[] output = new byte[zs.total_out];
Buffer.BlockCopy(zs.next_out, 0, output, 0, (int)zs.total_out);
dest = output;
}
msg = zs.msg;
return(zs.inflateEnd());
}
protected override int InitZlibOperation(ZStream zs)
{
// -MAX_WBITS stands for absense of Zlib header and trailer (needed for GZIP compression and decompression)
return(zs.inflateInit(-Zlib.MAX_WBITS));
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] uncompr = new byte[uncomprLen];
byte[] compr = new byte[comprLen];
long dictId;
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_BEST_COMPRESSION);
CHECK_ERR(c_stream, err, "deflateInit");
err = c_stream.deflateSetDictionary(dictionary, dictionary.Length);
CHECK_ERR(c_stream, err, "deflateSetDictionary");
dictId = c_stream.adler;
c_stream.next_out = compr;
c_stream.next_out_index = 0;
c_stream.avail_out = comprLen;
c_stream.next_in = hello;
c_stream.next_in_index = 0;
c_stream.avail_in = hello.Length;
err = c_stream.deflate(JZlib.Z_FINISH);
if (err != JZlib.Z_STREAM_END)
{
java.lang.SystemJ.outJ.println("deflate should report Z_STREAM_END");
java.lang.SystemJ.exit(1);
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.avail_in = comprLen;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
d_stream.avail_out = uncomprLen;
while (true)
{
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
if (err == JZlib.Z_NEED_DICT)
{
if ((int)d_stream.adler != (int)dictId)
{
java.lang.SystemJ.outJ.println("unexpected dictionary");
java.lang.SystemJ.exit(1);
}
err = d_stream.inflateSetDictionary(dictionary, dictionary.Length);
}
CHECK_ERR(d_stream, err, "inflate with dict");
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
int j = 0;
for (; j < uncompr.Length; j++)
{
if (uncompr[j] == 0)
{
break;
}
}
java.lang.SystemJ.outJ.println("after inflateSync(): hel" + new java.lang.StringJ(uncompr, 0, j));
}
internal static byte[] Decompress(byte[] input, int wbits = MAX_WBITS, int bufsize = DEFAULTALLOC)
{
byte[] outputBuffer = new byte[bufsize];
byte[] output = new byte[bufsize];
int outputOffset = 0;
ZStream zst = new ZStream();
zst.next_in = input;
zst.avail_in = input.Length;
zst.next_out = outputBuffer;
zst.avail_out = outputBuffer.Length;
int err = zst.inflateInit(wbits);
if (err != Z_OK)
{
zst.inflateEnd();
throw zlib_error(zst, err, "while preparing to decompress data");
}
do
{
err = zst.inflate(FlushStrategy.Z_FINISH);
if (err != Z_STREAM_END)
{
if (err == Z_BUF_ERROR && zst.avail_out > 0)
{
zst.inflateEnd();
throw zlib_error(zst, err, "while decompressing data");
}
else if (err == Z_OK || (err == Z_BUF_ERROR && zst.avail_out == 0))
{
// copy to the output and reset the buffer
if (outputOffset + outputBuffer.Length > output.Length)
{
Array.Resize(ref output, output.Length * 2);
}
Array.Copy(outputBuffer, 0, output, outputOffset, outputBuffer.Length);
outputOffset += outputBuffer.Length;
zst.next_out = outputBuffer;
zst.avail_out = outputBuffer.Length;
zst.next_out_index = 0;
}
else
{
zst.inflateEnd();
throw zlib_error(zst, err, "while decompressing data");
}
}
} while(err != Z_STREAM_END);
err = zst.inflateEnd();
if (err != Z_OK)
{
throw zlib_error(zst, err, "while finishing data decompression");
}
if (outputOffset + outputBuffer.Length - zst.avail_out > output.Length)
{
Array.Resize(ref output, output.Length * 2);
}
Array.Copy(outputBuffer, 0, output, outputOffset, outputBuffer.Length - zst.avail_out);
outputOffset += outputBuffer.Length - zst.avail_out;
return(output.Take(outputOffset).ToArray());
}
/// <summary>
/// Get the data of the entry linked by the specified path.
/// All the data will be allocated in memory. It may fail.
///
/// Return false if the entry does not exist.
/// </summary>
public Boolean GetEntryData(String Path, out Byte[] Data)
{
Data = null;
if (Path.StartsWith("/") || Path.StartsWith("\\"))
{
return(false);
}
Entry Entry;
lock (Entries)
{
if (!Entries.TryGetValue(Path.ToLowerInvariant().Replace('\\', '/'), out Entry))
{
return(false);
}
}
Data = new Byte[(Int32)Entry.UncompressedSize];
using (var Input = new FileStream(TpdFile.GetFilename(), FileMode.Open, FileAccess.Read, FileShare.Read))
{
var Buffer = new Byte[Kernel.MAX_BUFFER_SIZE];
var Tmp = new Byte[Kernel.MAX_BUFFER_SIZE];
var Pos = 0;
Input.Seek(Entry.Offset, SeekOrigin.Begin);
{
var Stream = new ZStream();
Stream.inflateInit();
var Result = 0;
var Length = 0;
do
{
Stream.avail_in = Input.Read(Buffer, 0, Kernel.MAX_BUFFER_SIZE);
Stream.next_in = Buffer;
Stream.next_in_index = 0;
if (Stream.avail_in == 0)
{
break;
}
do
{
Stream.avail_out = Kernel.MAX_BUFFER_SIZE;
Stream.next_out = Tmp;
Stream.next_out_index = 0;
Result = Stream.inflate(zlibConst.Z_NO_FLUSH);
Length = Kernel.MAX_BUFFER_SIZE - Stream.avail_out;
Array.Copy(Buffer, 0, Data, Pos, Length);
Pos += Length;
}while (Stream.avail_out == 0);
}while (Result != zlibConst.Z_STREAM_END);
Stream.inflateEnd();
}
}
return(true);
}
IEnumerable <WebSocketsFrame> IExtension.ApplyIncoming(NetContext context, WebSocketConnection connection, WebSocketsFrame frame)
{
if (frame.Reserved1 && !frame.IsControlFrame)
{
BufferStream tmp = null;
var payload = frame.Payload;
payload.Position = 0;
byte[] inBuffer = null, outBuffer = null;
try
{
outBuffer = context.GetBuffer();
inBuffer = context.GetBuffer();
tmp = new BufferStream(context, 0);
if (inbound == null)
{
inbound = new ZStream();
inbound.inflateInit();
// fake a zlib header with:
// CMF:
// CM = 8 (deflate)
// CINFO = 7 (32k window)
// FLG:
// FCHECK: 26 (checksum of other bits)
// FDICT: 0 (no dictionary)
// FLEVEL: 3 (maximum)
inBuffer[0] = 120;
inBuffer[1] = 218;
inbound.next_in = inBuffer;
int chk = Inflate(tmp, outBuffer, 2);
if (chk != 0)
{
throw new InvalidOperationException("Spoofed zlib header suggested data");
}
}
inbound.next_in = inBuffer;
int remaining = frame.PayloadLength;
//bool first = true;
while (remaining > 0)
{
int readCount = payload.Read(inBuffer, 0, inBuffer.Length);
if (readCount <= 0)
{
break;
}
remaining -= readCount;
//if (first)
//{ // kill the BFINAL flag from the first block, if set; we don't want zlib
// // trying to verify the ADLER checksum; unfortunately, a frame can contain
// // multiple blocks, and a *later* block could have BFINAL set. That sucks.
// inBuffer[0] &= 254;
// first = false;
//}
Inflate(tmp, outBuffer, readCount);
}
if (remaining != 0)
{
throw new EndOfStreamException();
}
// spoof the missing 4 bytes from the tail
inBuffer[0] = inBuffer[1] = 0x00;
inBuffer[2] = inBuffer[3] = 0xFF;
Inflate(tmp, outBuffer, 4);
// set our final output
tmp.Position = 0;
frame.Payload = tmp;
long bytesSaved = tmp.Length - frame.PayloadLength;
frame.PayloadLength = (int)tmp.Length;
frame.Reserved1 = false;
tmp = payload as BufferStream;
parent.RegisterInboundBytesSaved(bytesSaved);
}
#if DEBUG
catch (Exception ex)
{
Debug.WriteLine(ex);
throw;
}
#endif
finally
{
if (inbound != null)
{
inbound.next_out = null;
inbound.next_in = null;
}
if (tmp != null)
{
tmp.Dispose();
}
if (inBuffer != null)
{
context.Recycle(inBuffer);
}
if (outBuffer != null)
{
context.Recycle(outBuffer);
}
if (parent.disableContextTakeover)
{
ClearContext(true, false);
}
}
}
yield return(frame);
}
public static string decompress([BytesConversion] IList <byte> data,
[DefaultParameterValue(MAX_WBITS)] int wbits,
[DefaultParameterValue(DEFAULTALLOC)] int bufsize)
{
byte[] input = data.ToArray();
byte[] outputBuffer = new byte[bufsize];
byte[] output = new byte[bufsize];
int outputOffset = 0;
ZStream zst = new ZStream();
zst.next_in = input;
zst.avail_in = input.Length;
zst.next_out = outputBuffer;
zst.avail_out = outputBuffer.Length;
int err = zst.inflateInit(wbits);
if (err != Z_OK)
{
zst.inflateEnd();
throw zlib_error(zst, err, "while preparing to decompress data");
}
do
{
err = zst.inflate(FlushStrategy.Z_FINISH);
if (err != Z_STREAM_END)
{
if (err == Z_BUF_ERROR && zst.avail_out > 0)
{
zst.inflateEnd();
throw zlib_error(zst, err, "while decompressing data");
}
else if (err == Z_OK || (err == Z_BUF_ERROR && zst.avail_out == 0))
{
// copy to the output and reset the buffer
if (outputOffset + outputBuffer.Length > output.Length)
{
Array.Resize(ref output, output.Length * 2);
}
Array.Copy(outputBuffer, 0, output, outputOffset, outputBuffer.Length);
outputOffset += outputBuffer.Length;
zst.next_out = outputBuffer;
zst.avail_out = outputBuffer.Length;
zst.next_out_index = 0;
}
else
{
zst.inflateEnd();
throw zlib_error(zst, err, "while decompressing data");
}
}
} while(err != Z_STREAM_END);
err = zst.inflateEnd();
if (err != Z_OK)
{
throw zlib_error(zst, err, "while finishing data decompression");
}
if (outputOffset + outputBuffer.Length - zst.avail_out > output.Length)
{
Array.Resize(ref output, output.Length * 2);
}
Array.Copy(outputBuffer, 0, output, outputOffset, outputBuffer.Length - zst.avail_out);
outputOffset += outputBuffer.Length - zst.avail_out;
return(PythonAsciiEncoding.Instance.GetString(output, 0, outputOffset));
}
/// <summary>
/// Returns the spectrum-data (m/z and intensity) of the given scan number. The boundries
/// for the scan number can be retrieved with <see cref="GetFirstSpectrumNumber"/> and
/// <see cref="GetLastSpectrumNumber"/>. This method will throw an exception when the given
/// scan number is outside these boundries. The spectrum data is returned as a 2-dimensional
/// list of size (2, nrspectra) in emulation of the thermo RAW access DLL.
/// </summary>
/// <param name="scannumber">The scan number.</param>
/// <returns>The scan-data.</returns>
public double[,] GetMassListFromScanNum(int scannumber)
{
if (scannumber < minScanNumber || scannumber > maxScanNumber)
{
throw new Exception("Undefined scan number: " + scannumber + " outside (" + minScanNumber + "," + maxScanNumber +
")");
}
int compressedLength = 0;
string compressionType = null;
int precision = -1;
string byteOrder = null;
string contentType = null;
string data = null;
string peakData = GetScanPeakData(scannumber);
XmlTextReader xmlReader = new XmlTextReader(new StringReader(peakData));
while (xmlReader.Read())
{
xmlReader.MoveToElement();
if (!xmlReader.IsStartElement("peaks"))
{
continue;
}
precision = Parser.Int(xmlReader.GetAttribute("precision"));
byteOrder = xmlReader.GetAttribute("byteOrder");
contentType = xmlReader.GetAttribute("contentType");
if (string.IsNullOrEmpty(contentType))
{
contentType = xmlReader.GetAttribute("pairOrder");
}
compressionType = xmlReader.GetAttribute("compressionType");
string sCompressedLen = xmlReader.GetAttribute("compressedLen");
compressedLength = string.IsNullOrEmpty(sCompressedLen) ? -1 : Parser.Int(sCompressedLen);
data = xmlReader.ReadElementContentAsString();
}
if (byteOrder == null || contentType == null || data == null)
{
throw new Exception("Malformed mz-xml File.");
}
if (!contentType.Equals("m/z-int") && !contentType.Equals("mz-int"))
{
throw new Exception("Non-supported content type: ' " + contentType + "'.");
}
// convert from base64 encoding
byte[] bytes = Convert.FromBase64String(data);
// decompress
if (compressionType != null && compressionType.Equals("zlib"))
{
if (compressedLength != bytes.Length)
{
throw new Exception("Attribute 'compressedLen' has a different value from the reconstructed data array.");
}
ZStream z = new ZStream();
const int bufferLen = 1024;
z.next_in = bytes;
z.next_in_index = 0;
z.avail_in = bytes.Length;
z.inflateInit();
int totalLength = 0;
List <byte[]> pieces = new List <byte[]>();
while (true)
{
z.next_out = new byte[bufferLen];
z.next_out_index = 0;
z.avail_out = bufferLen;
pieces.Add(z.next_out);
int err = z.inflate(zlibConst.Z_NO_FLUSH);
totalLength += bufferLen - z.avail_out;
if (err == zlibConst.Z_STREAM_END)
{
break;
}
if (err != zlibConst.Z_OK)
{
throw new ZStreamException(z.msg);
}
}
z.inflateEnd();
bytes = new byte[totalLength];
int pos = 0;
foreach (byte[] piece in pieces)
{
Buffer.BlockCopy(piece, 0, bytes, pos, totalLength - pos > 1024 ? bufferLen : totalLength - pos);
pos += piece.Length;
}
}
// convert from byte encoding
double[] massintensities = ByteArray.ToDoubleArray(bytes,
byteOrder.Equals("network") ? ByteArray.endianBig : ByteArray.endianLittle, precision);
double[,] masslist = new double[2, massintensities.Length / 2];
for (int i = 0; i < massintensities.Length; i += 2)
{
masslist[0, i / 2] = massintensities[i];
masslist[1, i / 2] = massintensities[i + 1];
}
return(masslist);
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] compr = new byte[comprLen];
byte[] uncompr = new byte[uncomprLen];
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_DEFAULT_COMPRESSION);
CHECK_ERR(c_stream, err, "deflateInit");
c_stream.next_in = hello;
c_stream.next_in_index = 0;
c_stream.next_out = compr;
c_stream.next_out_index = 0;
while (c_stream.total_in != hello.Length &&
c_stream.total_out < comprLen)
{
c_stream.avail_in = c_stream.avail_out = 1; // force small buffers
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
}
while (true)
{
c_stream.avail_out = 1;
err = c_stream.deflate(JZlib.Z_FINISH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
CHECK_ERR(c_stream, err, "deflate");
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
while (d_stream.total_out < uncomprLen &&
d_stream.total_in < comprLen)
{
d_stream.avail_in = d_stream.avail_out = 1; /* force small buffers */
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
CHECK_ERR(d_stream, err, "inflate");
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
int i = 0;
for (; i < hello.Length; i++)
{
if (hello[i] == 0)
{
break;
}
}
int j = 0;
for (; j < uncompr.Length; j++)
{
if (uncompr[j] == 0)
{
break;
}
}
if (i == j)
{
for (i = 0; i < j; i++)
{
if (hello[i] != uncompr[i])
{
break;
}
}
if (i == j)
{
java.lang.SystemJ.outJ.println("inflate(): " + new java.lang.StringJ(uncompr, 0, j).ToString());
return;
}
}
else
{
java.lang.SystemJ.outJ.println("bad inflate");
}
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] compr = new byte[comprLen];
byte[] uncompr = new byte[uncomprLen];
int len = hello.Length;
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_DEFAULT_COMPRESSION);
CHECK_ERR(c_stream, err, "deflate");
c_stream.next_in = hello;
c_stream.next_in_index = 0;
c_stream.next_out = compr;
c_stream.next_out_index = 0;
c_stream.avail_in = 3;
c_stream.avail_out = comprLen;
err = c_stream.deflate(JZlib.Z_FULL_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
compr[3]++; // force an error in first compressed block
c_stream.avail_in = len - 3;
err = c_stream.deflate(JZlib.Z_FINISH);
if (err != JZlib.Z_STREAM_END)
{
CHECK_ERR(c_stream, err, "deflate");
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
comprLen = (int)(c_stream.total_out);
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.avail_in = 2;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
d_stream.avail_out = uncomprLen;
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(d_stream, err, "inflate");
d_stream.avail_in = comprLen - 2;
err = d_stream.inflateSync();
CHECK_ERR(d_stream, err, "inflateSync");
err = d_stream.inflate(JZlib.Z_FINISH);
if (err != JZlib.Z_DATA_ERROR)
{
java.lang.SystemJ.outJ.println("inflate should report DATA_ERROR");
/* Because of incorrect adler32 */
java.lang.SystemJ.exit(1);
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
int j = 0;
for (; j < uncompr.Length; j++)
{
if (uncompr[j] == 0)
{
break;
}
}
java.lang.SystemJ.outJ.println("after inflateSync(): hel" + new java.lang.StringJ(uncompr, 0, j));
}
/// <summary>
/// Get the data of the entry linked by the specified path.
/// All the data will be allocated in memory. It may fail.
///
/// Return false if the entry does not exist.
/// </summary>
public Boolean GetEntryData(String Path, Byte **pData, Int32 *pLength)
{
*pData = null;
if (Path.StartsWith("/") || Path.StartsWith("\\"))
{
return(false);
}
Entry Entry;
lock (Entries)
{
if (!Entries.TryGetValue(Path.ToLowerInvariant().Replace('\\', '/'), out Entry))
{
return(false);
}
}
*pData = (Byte *)Kernel.malloc((Int32)Entry.UncompressedSize);
*pLength = (Int32)Entry.UncompressedSize;
using (FileStream Input = new FileStream(TpdFile.GetFilename(), FileMode.Open, FileAccess.Read, FileShare.Read))
{
Byte[] Buffer = new Byte[Kernel.MAX_BUFFER_SIZE];
Byte[] Tmp = new Byte[Kernel.MAX_BUFFER_SIZE];
Int32 Pos = 0;
Input.Seek(Entry.Offset, SeekOrigin.Begin);
{
ZStream Stream = new ZStream();
Stream.inflateInit();
Int32 Result = 0;
Int32 Length = 0;
do
{
Stream.avail_in = Input.Read(Buffer, 0, Kernel.MAX_BUFFER_SIZE);
Stream.next_in = Buffer;
Stream.next_in_index = 0;
if (Stream.avail_in == 0)
{
break;
}
do
{
Stream.avail_out = Kernel.MAX_BUFFER_SIZE;
Stream.next_out = Tmp;
Stream.next_out_index = 0;
Result = Stream.inflate(zlibConst.Z_NO_FLUSH);
Length = Kernel.MAX_BUFFER_SIZE - Stream.avail_out;
Kernel.memcpy((*pData) + Pos, Tmp, Length);
Pos += Length;
}while (Stream.avail_out == 0);
}while (Result != zlibConst.Z_STREAM_END);
Stream.inflateEnd();
}
}
return(true);
}
public static PhpString gzinflate(byte[] data, long length = 0)
{
uint factor = 1, maxfactor = 16;
long ilength;
var zs = new ZStream();
zs.avail_in = data.Length;
zs.next_in = data;
zs.total_out = 0;
// -15 omits the header (undocumented feature of zlib)
int status = zs.inflateInit(-15);
if (status != zlibConst.Z_OK)
{
PhpException.Throw(PhpError.Warning, zError(status));
return(default(PhpString));
}
do
{
ilength = length != 0 ? length : data.Length * (1 << (int)(factor++));
try
{
byte[] newOutput = new byte[ilength];
if (zs.next_out != null)
{
Buffer.BlockCopy(zs.next_out, 0, newOutput, 0, zs.next_out.Length);
}
zs.next_out = newOutput;
}
catch (OutOfMemoryException)
{
zs.inflateEnd();
return(default(PhpString));
}
zs.next_out_index = (int)zs.total_out;
zs.avail_out = unchecked ((int)(ilength - zs.total_out));
status = zs.inflate(zlibConst.Z_NO_FLUSH);
}while ((status == zlibConst.Z_BUF_ERROR || (status == zlibConst.Z_OK && (zs.avail_in != 0 || zs.avail_out == 0))) && length == 0 && factor < maxfactor);
zs.inflateEnd();
if ((length != 0 && status == zlibConst.Z_OK) || factor >= maxfactor)
{
status = zlibConst.Z_MEM_ERROR;
}
if (status == zlibConst.Z_STREAM_END || status == zlibConst.Z_OK)
{
byte[] result = new byte[zs.total_out];
Buffer.BlockCopy(zs.next_out, 0, result, 0, (int)zs.total_out);
return(new PhpString(result));
}
else
{
PhpException.Throw(PhpError.Warning, zError(status) ?? zs.msg);
return(default(PhpString));
}
}
/// <summary>
/// Reads NBT data from the specified (compressed) stream.
/// </summary>
public static NBTNamedTag <INBTData> ReadChunk(Stream fs, Point <int> Pos)
{
// Read the chunk from the file.
byte[] buf = new byte[5];
long seekOffset = 0;
int sectorNumber = 0;
int offset = 0;
// Read the chunk offset.
Point <int> chunkOffsetInRegion;
chunkOffsetInRegion.X = Pos.X % 32;
if (chunkOffsetInRegion.X < 0)
{
chunkOffsetInRegion.X += 32;
}
chunkOffsetInRegion.Y = Pos.Y % 32;
if (chunkOffsetInRegion.Y < 0)
{
chunkOffsetInRegion.Y += 32;
}
seekOffset = 4 * (chunkOffsetInRegion.X + chunkOffsetInRegion.Y * 32);
fs.Position = seekOffset;
fs.Read(buf, 0, 4);
sectorNumber = (int)buf[3];
offset = (int)buf[0] << 16 | (int)buf[1] << 8 | (int)buf[2];
if (offset == 0)
{
throw new ArithmeticException();
}
// Get the chunk length and version.
int chunkLength = 0;
fs.Position = offset * 4096;
fs.Read(buf, 0, 5);
chunkLength = (int)buf[0] << 24 | (int)buf[1] << 14 | (int)buf[2] << 8 | (int)buf[3];
if (chunkLength > sectorNumber * 4096 || chunkLength > CHUNK_DEFLATE_MAX)
{
throw new ArithmeticException();
}
if (buf[4] != 2)
{
throw new ArithmeticException();
}
// Read compressed chunk data.
byte[] inChunk = new byte[CHUNK_DEFLATE_MAX];
byte[] outChunk = new byte[CHUNK_INFLATE_MAX];
fs.Read(inChunk, 0, chunkLength - 1);
fs.Close();
// Decompress it.
ZStream z = new ZStream();
z.next_out = outChunk;
z.avail_out = CHUNK_INFLATE_MAX;
z.next_in = inChunk;
z.avail_in = chunkLength - 1;
z.inflateInit();
z.inflate(zlibConst.Z_NO_FLUSH);
z.inflateEnd();
System.IO.MemoryStream msUncompressed = new System.IO.MemoryStream(outChunk);
return(NBT.ReadUncompressed(msUncompressed));
}
public static BufLen BCGZipDecompressNew(BufLen buf)
{
var reader = new BufRefLen(buf);
// Skip gzip header
var gzheader = reader.ReadBufLen(10);
var flag = gzheader.Peek8(3);
if ((flag & 0x04) != 0)
{
reader.Seek(reader.Read16()); // "Extra"
}
if ((flag & 0x08) != 0)
{
while (reader.Read8() != 0)
{
; // "Name"
}
}
if ((flag & 0x10) != 0)
{
while (reader.Read8() != 0)
{
; // "Comment"
}
}
if ((flag & 0x02) != 0)
{
reader.Read16(); // "CRC16"
}
var z = new ZStream();
z.inflateInit(true);
var dest = new byte[buf.Length * 2];
var destix = 0;
z.next_in_index = reader.BaseArrayOffset;
z.next_in = reader.BaseArray;
z.avail_in = reader.Length - 8;
bigger_dest:
z.next_out = dest;
z.next_out_index = destix;
z.avail_out = dest.Length - destix;
var err = z.inflate(JZlib.Z_FINISH);
if (err != JZlib.Z_BUF_ERROR && err != JZlib.Z_OK && err != JZlib.Z_STREAM_END)
{
throw new IOException("inflating: " + z.msg);
}
if (z.avail_out == 0)
{
var newdest = new byte[dest.Length * 2];
Array.Copy(dest, newdest, dest.Length);
destix = dest.Length;
dest = newdest;
goto bigger_dest;
}
var result = new BufLen(dest, 0, dest.Length - z.avail_out);
z.inflateEnd();
return(result);
}
public static void main(String[] arg)
{
int err;
int comprLen = 40000;
int uncomprLen = comprLen;
byte[] compr = new byte[comprLen];
byte[] uncompr = new byte[uncomprLen];
ZStream c_stream = new ZStream();
err = c_stream.deflateInit(JZlib.Z_BEST_SPEED);
CHECK_ERR(c_stream, err, "deflateInit");
c_stream.next_out = compr;
c_stream.next_out_index = 0;
c_stream.avail_out = comprLen;
// At this point, uncompr is still mostly zeroes, so it should compress
// very well:
c_stream.next_in = uncompr;
c_stream.avail_in = uncomprLen;
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
if (c_stream.avail_in != 0)
{
java.lang.SystemJ.outJ.println("deflate not greedy");
java.lang.SystemJ.exit(1);
}
// Feed in already compressed data and switch to no compression:
c_stream.deflateParams(JZlib.Z_NO_COMPRESSION, JZlib.Z_DEFAULT_STRATEGY);
c_stream.next_in = compr;
c_stream.next_in_index = 0;
c_stream.avail_in = comprLen / 2;
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
// Switch back to compressing mode:
c_stream.deflateParams(JZlib.Z_BEST_COMPRESSION, JZlib.Z_FILTERED);
c_stream.next_in = uncompr;
c_stream.next_in_index = 0;
c_stream.avail_in = uncomprLen;
err = c_stream.deflate(JZlib.Z_NO_FLUSH);
CHECK_ERR(c_stream, err, "deflate");
err = c_stream.deflate(JZlib.Z_FINISH);
if (err != JZlib.Z_STREAM_END)
{
java.lang.SystemJ.outJ.println("deflate should report Z_STREAM_END");
java.lang.SystemJ.exit(1);
}
err = c_stream.deflateEnd();
CHECK_ERR(c_stream, err, "deflateEnd");
ZStream d_stream = new ZStream();
d_stream.next_in = compr;
d_stream.next_in_index = 0;
d_stream.avail_in = comprLen;
err = d_stream.inflateInit();
CHECK_ERR(d_stream, err, "inflateInit");
while (true)
{
d_stream.next_out = uncompr;
d_stream.next_out_index = 0;
d_stream.avail_out = uncomprLen;
err = d_stream.inflate(JZlib.Z_NO_FLUSH);
if (err == JZlib.Z_STREAM_END)
{
break;
}
CHECK_ERR(d_stream, err, "inflate large");
}
err = d_stream.inflateEnd();
CHECK_ERR(d_stream, err, "inflateEnd");
if (d_stream.total_out != 2 * uncomprLen + comprLen / 2)
{
java.lang.SystemJ.outJ.println("bad large inflate: " + d_stream.total_out);
java.lang.SystemJ.exit(1);
}
else
{
java.lang.SystemJ.outJ.println("large_inflate(): OK");
}
}
