| private Decode ( byte buffer, int bufferIndex ) : int | ||
| buffer | byte | |
| bufferIndex | int | |
| return | int | |
/// <exception cref="System.IO.IOException"></exception>
protected internal override void DoRecv(Response response)
{
ServerMessageBlock resp = (ServerMessageBlock)response;
resp.UseUnicode = UseUnicode;
resp.ExtendedSecurity = (Capabilities & SmbConstants.CapExtendedSecurity) == SmbConstants.CapExtendedSecurity;
lock (Buf)
{
Array.Copy(Sbuf, 0, Buf, 0, 4 + SmbConstants.HeaderLength);
int size = Encdec.Dec_uint16be(Buf, 2) & 0xFFFF;
if (size < (SmbConstants.HeaderLength + 1) || (4 + size) > RcvBufSize)
{
throw new IOException("Invalid payload size: " + size);
}
int errorCode = Encdec.Dec_uint32le(Buf, 9) & unchecked ((int)(0xFFFFFFFF));
if (resp.Command == ServerMessageBlock.SmbComReadAndx && (errorCode == 0 || errorCode
== unchecked ((int)(0x80000005))))
{
// overflow indicator normal for pipe
SmbComReadAndXResponse r = (SmbComReadAndXResponse)resp;
int off = SmbConstants.HeaderLength;
Readn(In, Buf, 4 + off, 27);
off += 27;
resp.Decode(Buf, 4);
int pad = r.DataOffset - off;
if (r.ByteCount > 0 && pad > 0 && pad < 4)
{
Readn(In, Buf, 4 + off, pad);
}
if (r.DataLength > 0)
{
Readn(In, r.B, r.Off, r.DataLength);
}
}
else
{
Readn(In, Buf, 4 + 32, size - 32);
resp.Decode(Buf, 4);
if (resp is SmbComTransactionResponse)
{
((SmbComTransactionResponse)resp).Current();
}
}
if (Digest != null && resp.ErrorCode == 0)
{
Digest.Verify(Buf, 4, resp);
}
if (Log.Level >= 4)
{
Log.WriteLine(response);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Buf, 4, size);
}
}
}
}
/// <exception cref="System.IO.IOException"></exception>
private void Negotiate(int port, ServerMessageBlock resp)
{
lock (Sbuf)
{
if (port == 139)
{
Ssn139();
}
else
{
if (port == -1)
{
port = SmbConstants.DefaultPort;
}
// 445
Socket = new SocketEx(AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
//TCPローカルポートは、毎回空いているものを使う。
//https://blogs.msdn.microsoft.com/dgorti/2005/09/18/only-one-usage-of-each-socket-address-protocolnetwork-addressport-is-normally-permitted/
Socket.Bind(new IPEndPoint(LocalAddr, 0));
Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()),
port), // <- 445
SmbConstants.ConnTimeout);
Socket.SoTimeOut = SmbConstants.SoTimeout;
Out = Socket.GetOutputStream();
In = Socket.GetInputStream();
}
if (++Mid == 32000)
{
Mid = 1;
}
NegotiateRequest.Mid = Mid;
int n = NegotiateRequest.Encode(Sbuf, 4);
Encdec.Enc_uint32be(n & 0xFFFF, Sbuf, 0);
if (Log.Level >= 4)
{
Log.WriteLine(NegotiateRequest);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Sbuf, 4, n);
}
}
Out.Write(Sbuf, 0, 4 + n);
Out.Flush();
if (PeekKey() == null)
{
throw new IOException("transport closed in negotiate");
}
int size = Encdec.Dec_uint16be(Sbuf, 2) & 0xFFFF;
if (size < 33 || (4 + size) > Sbuf.Length)
{
throw new IOException("Invalid payload size: " + size);
}
Readn(In, Sbuf, 4 + 32, size - 32);
resp.Decode(Sbuf, 4);
if (Log.Level >= 4)
{
Log.WriteLine(resp);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Sbuf, 4, n);
}
}
}
}
/// <exception cref="System.IO.IOException"></exception>
private void Negotiate(int port, ServerMessageBlock resp)
{
lock (Sbuf)
{
if (port == 139)
{
Ssn139();
}
else
{
if (port == -1)
{
port = SmbConstants.DefaultPort;
}
// 445
Socket = new SocketEx(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (LocalAddr != null)
{
Socket.Bind2(new IPEndPoint(LocalAddr, LocalPort));
}
Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()), port), SmbConstants.ConnTimeout);
Socket.SoTimeOut = SmbConstants.SoTimeout;
Out = Socket.GetOutputStream();
In = Socket.GetInputStream();
}
if (++Mid == 32000)
{
Mid = 1;
}
NegotiateRequest.Mid = Mid;
int n = NegotiateRequest.Encode(Sbuf, 4);
Encdec.Enc_uint32be(n & 0xFFFF, Sbuf, 0);
if (Log.Level >= 4)
{
Log.WriteLine(NegotiateRequest);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Sbuf, 4, n);
}
}
Out.Write(Sbuf, 0, 4 + n);
Out.Flush();
if (PeekKey() == null)
{
throw new IOException("transport closed in negotiate");
}
int size = Encdec.Dec_uint16be(Sbuf, 2) & 0xFFFF;
if (size < 33 || (4 + size) > Sbuf.Length)
{
throw new IOException("Invalid payload size: " + size);
}
Readn(In, Sbuf, 4 + 32, size - 32);
resp.Decode(Sbuf, 4);
if (Log.Level >= 4)
{
Log.WriteLine(resp);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Sbuf, 4, n);
}
}
}
}
/// <exception cref="System.IO.IOException"></exception>
private void Negotiate(int port, ServerMessageBlock resp)
{
lock (Sbuf)
{
if (port == 139)
{
Ssn139();
}
else
{
if (port == -1)
{
port = SmbConstants.DefaultPort;
}
// 445
Socket = new SocketEx(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (LocalAddr != null)
{
Socket.Bind2(new IPEndPoint(LocalAddr, LocalPort));
}
Socket.Connect(new IPEndPoint(IPAddress.Parse(Address.GetHostAddress()), port), SmbConstants.ConnTimeout);
Socket.SoTimeOut = SmbConstants.SoTimeout;
Out = Socket.GetOutputStream();
In = Socket.GetInputStream();
}
if (++Mid == 32000)
{
Mid = 1;
}
NegotiateRequest.Mid = Mid;
int n = NegotiateRequest.Encode(Sbuf, 4);
Encdec.Enc_uint32be(n & 0xFFFF, Sbuf, 0);
if (Log.Level >= 4)
{
Log.WriteLine(NegotiateRequest);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Sbuf, 4, n);
}
}
Out.Write(Sbuf, 0, 4 + n);
Out.Flush();
if (PeekKey() == null)
{
throw new IOException("transport closed in negotiate");
}
int size = Encdec.Dec_uint16be(Sbuf, 2) & 0xFFFF;
if (size < 33 || (4 + size) > Sbuf.Length)
{
throw new IOException("Invalid payload size: " + size);
}
Readn(In, Sbuf, 4 + 32, size - 32);
resp.Decode(Sbuf, 4);
if (Log.Level >= 4)
{
Log.WriteLine(resp);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Sbuf, 4, n);
}
}
}
}
