public virtual void Enc_ndr_string(string s)
{
Align(4);
int i = Index;
int len = s.Length;
Encdec.Enc_uint32le(len + 1, Buf, i);
i += 4;
Encdec.Enc_uint32le(0, Buf, i);
i += 4;
Encdec.Enc_uint32le(len + 1, Buf, i);
i += 4;
try
{
Array.Copy(Runtime.GetBytesForString(s, "UTF-16LE"), 0, Buf, i, len
* 2);
}
catch (UnsupportedEncodingException)
{
}
i += len * 2;
Buf[i++] = unchecked ((byte)('\0'));
Buf[i++] = unchecked ((byte)('\0'));
Advance(i - Index);
}
/// <exception cref="WinrtCifs.Dcerpc.Ndr.NdrException"></exception>
public virtual string Dec_ndr_string()
{
Align(4);
int i = Index;
string val = null;
int len = Encdec.Dec_uint32le(Buf, i);
i += 12;
if (len != 0)
{
len--;
int size = len * 2;
try
{
if (size < 0 || size > unchecked (0xFFFF))
{
throw new NdrException(NdrException.InvalidConformance);
}
val = Runtime.GetStringForBytes(Buf, i, size, "UTF-16LE");
i += size + 2;
}
catch (UnsupportedEncodingException)
{
}
}
Advance(i - Index);
return(val);
}
private string GetNtlmsspListItem(byte[] type2Token, int id0)
{
int ri = 58;
for (;;)
{
int id = Encdec.Dec_uint16le(type2Token, ri);
int len = Encdec.Dec_uint16le(type2Token, ri + 2);
ri += 4;
if (id == 0 || (ri + len) > type2Token.Length)
{
break;
}
if (id == id0)
{
try
{
return Runtime.GetStringForBytes(type2Token,
ri,
len,
SmbConstants.UniEncoding);
}
catch (UnsupportedEncodingException)
{
break;
}
}
ri += len;
}
return null;
}
public static byte[] GetNtlMv2Response(byte[] responseKeyNt,
byte[] serverChallenge,
byte[] clientChallenge,
long nanos1601,
byte[] targetInfo)
{
int targetInfoLength = targetInfo != null
? targetInfo.Length
: 0;
byte[] temp = new byte[28 + targetInfoLength + 4];
Encdec.Enc_uint32le(unchecked (0x00000101), temp, 0);
// Header
Encdec.Enc_uint32le(unchecked (0x00000000), temp, 4);
// Reserved
Encdec.Enc_uint64le(nanos1601, temp, 8);
Array.Copy(clientChallenge, 0, temp, 16, 8);
Encdec.Enc_uint32le(unchecked (0x00000000), temp, 24);
// Unknown
if (targetInfo != null)
{
Array.Copy(targetInfo, 0, temp, 28, targetInfoLength);
}
Encdec.Enc_uint32le(unchecked (0x00000000), temp, 28 + targetInfoLength);
// mystery bytes!
return(ComputeResponse(responseKeyNt,
serverChallenge,
temp,
0,
temp.Length));
}
/*
* /// <exception cref="SharpCifs.Smb.SmbException"></exception>
* public void WriteChars(string s)
* {
* int clen = s.Length;
* int blen = 2 * clen;
* byte[] b = new byte[blen];
* char[] c = new char[clen];
* Sharpen.Runtime.GetCharsForString(s, 0, clen, c, 0);
* for (int i = 0, j = 0; i < clen; i++)
* {
* b[j++] = unchecked((byte)((char)(((uchar)c[i]) >> 8)));
* b[j++] = unchecked((byte)((char)(((uchar)c[i]) >> 0)));
* }
* Write(b, 0, blen);
* }
*/
/// <exception cref="SharpCifs.Smb.SmbException"></exception>
public void WriteUtf(string str)
{
int len = str.Length;
int ch;
int size = 0;
byte[] dst;
for (int i = 0; i < len; i++)
{
ch = str[i];
size += ch > unchecked (0x07F)
? (ch > unchecked (0x7FF)
? 3
: 2)
: 1;
}
dst = new byte[size];
WriteShort(size);
try
{
Encdec.Enc_utf8(str, dst, 0, size);
}
catch (IOException ioe)
{
throw new SmbException(string.Empty, ioe);
}
Write(dst, 0, size);
}
public virtual int Dec_ndr_short()
{
Align(2);
int val = Encdec.Dec_uint16le(Buf, Index);
Advance(2);
return(val);
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public double ReadDouble()
{
if ((Read(_tmp, 0, 8)) < 0)
{
throw new SmbException("EOF");
}
return(Encdec.Dec_doublebe(_tmp, 0));
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public float ReadFloat()
{
if ((Read(_tmp, 0, 4)) < 0)
{
throw new SmbException("EOF");
}
return(Encdec.Dec_floatbe(_tmp, 0));
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public long ReadLong()
{
if ((Read(_tmp, 0, 8)) < 0)
{
throw new SmbException("EOF");
}
return(Encdec.Dec_uint64be(_tmp, 0));
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public int ReadInt()
{
if ((Read(_tmp, 0, 4)) < 0)
{
throw new SmbException("EOF");
}
return(Encdec.Dec_uint32be(_tmp, 0));
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public char ReadChar()
{
if ((Read(_tmp, 0, 2)) < 0)
{
throw new SmbException("EOF");
}
return((char)Encdec.Dec_uint16be(_tmp, 0));
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public int ReadUnsignedShort()
{
if ((Read(_tmp, 0, 2)) < 0)
{
throw new SmbException("EOF");
}
return(Encdec.Dec_uint16be(_tmp, 0) & unchecked (0xFFFF));
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public short ReadShort()
{
if ((Read(_tmp, 0, 2)) < 0)
{
throw new SmbException("EOF");
}
return(Encdec.Dec_uint16be(_tmp, 0));
}
public virtual long Dec_ndr_hyper()
{
Align(8);
long val = Encdec.Dec_uint64le(Buf, Index);
Advance(8);
return(val);
}
public virtual int Dec_ndr_long()
{
Align(4);
int val = Encdec.Dec_uint32le(Buf, Index);
Advance(4);
return(val);
}
/// <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>
protected internal override void DoSkip()
{
int size = Encdec.Dec_uint16be(Sbuf, 2) & 0xFFFF;
if (size < 33 || (4 + size) > RcvBufSize)
{
In.Skip(In.Available());
}
else
{
In.Skip(size - 32);
}
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public string ReadUtf()
{
int size = ReadUnsignedShort();
byte[] b = new byte[size];
Read(b, 0, size);
try
{
return(Encdec.Dec_utf8(b, 0, size));
}
catch (IOException ioe)
{
throw new SmbException(string.Empty, ioe);
}
}
public static byte[] ToByteArray(Rpc.SidT sid)
{
byte[] dst = new byte[1 + 1 + 6 + sid.SubAuthorityCount * 4];
int di = 0;
dst[di++] = sid.Revision;
dst[di++] = sid.SubAuthorityCount;
Array.Copy(sid.IdentifierAuthority, 0, dst, di, 6);
di += 6;
for (int ii = 0; ii < sid.SubAuthorityCount; ii++)
{
Encdec.Enc_uint32le(sid.SubAuthority[ii], dst, di);
di += 4;
}
return(dst);
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override ServerMessageBlock PeekKey()
{
int n;
do
{
if ((n = Readn(In, Sbuf, 0, 4)) < 4)
{
return(null);
}
}while (Sbuf[0] == 0x85);
if ((n = Readn(In, Sbuf, 4, 32)) < 32)
{
return(null);
}
if (Log.Level >= 4)
{
Log.WriteLine("New data read: " + this);
Hexdump.ToHexdump(Log, Sbuf, 4, 32);
}
for (;;)
{
if (Sbuf[0] == 0x00 && Sbuf[1] == 0x00 &&
Sbuf[4] == 0xFF &&
Sbuf[5] == 'S' &&
Sbuf[6] == 'M' &&
Sbuf[7] == 'B')
{
break;
}
for (int i = 0; i < 35; i++)
{
Sbuf[i] = Sbuf[i + 1];
}
int b;
if ((b = In.Read()) == -1)
{
return(null);
}
Sbuf[35] = unchecked ((byte)b);
}
Key.Mid = Encdec.Dec_uint16le(Sbuf, 34) & 0xFFFF;
return(Key);
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override void DoSend(ServerMessageBlock request)
{
lock (Buf)
{
ServerMessageBlock smb = request;
int n = smb.Encode(Buf, 4);
Encdec.Enc_uint32be(n & 0xFFFF, Buf, 0);
if (Log.Level >= 4)
{
do
{
Log.WriteLine(smb);
}while (smb is AndXServerMessageBlock &&
(smb = ((AndXServerMessageBlock)smb).Andx) != null);
if (Log.Level >= 6)
{
Hexdump.ToHexdump(Log, Buf, 4, n);
}
}
Out.Write(Buf, 0, 4 + n);
}
}
/// <exception cref="System.IO.IOException"></exception>
protected internal override void DoReceiveFragment(byte[] buf, bool isDirect)
{
int off;
int flags;
int length;
if (buf.Length < MaxRecv)
{
throw new ArgumentException("buffer too small");
}
if (IsStart && !isDirect)
{
// start of new frag, do trans
off = In.Read(buf, 0, 1024);
}
else
{
off = In.ReadDirect(buf, 0, buf.Length);
}
if (buf[0] != 5 && buf[1] != 0)
{
throw new IOException("Unexpected DCERPC PDU header");
}
flags = buf[3] & unchecked (0xFF);
// next read is start of new frag
IsStart = (flags & DcerpcConstants.DcerpcLastFrag) == DcerpcConstants.DcerpcLastFrag;
length = Encdec.Dec_uint16le(buf, 8);
if (length > MaxRecv)
{
throw new IOException("Unexpected fragment length: " + length);
}
while (off < length)
{
off += In.ReadDirect(buf, off, length - off);
}
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public void WriteChar(int v)
{
Encdec.Enc_uint16be((short)v, _tmp, 0);
Write(_tmp, 0, 2);
}
/// <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);
}
}
}
}
public virtual void Enc_ndr_hyper(long h)
{
Align(8);
Encdec.Enc_uint64le(h, Buf, Index);
Advance(8);
}
/// <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(Address.GetHostAddress(), port);
//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="WinrtCifs.Smb.SmbException"></exception>
public void WriteInt(int v)
{
Encdec.Enc_uint32be(v, _tmp, 0);
Write(_tmp, 0, 4);
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public void WriteDouble(double v)
{
Encdec.Enc_doublebe(v, _tmp, 0);
Write(_tmp, 0, 8);
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public void WriteFloat(float v)
{
Encdec.Enc_floatbe(v, _tmp, 0);
Write(_tmp, 0, 4);
}
/// <exception cref="WinrtCifs.Smb.SmbException"></exception>
public void WriteLong(long v)
{
Encdec.Enc_uint64be(v, _tmp, 0);
Write(_tmp, 0, 8);
}