Beispiel #1
0
        /// <summary>
        /// Performs the specified SOCKS5 request.
        /// </summary>
        /// <param name="request">The SOCKS5 request to issue to the server.</param>
        /// <returns>The SOCKS5 reply sent by the server.</returns>
        /// <exception cref="ArgumentNullException">The request parameter is
        /// null.</exception>
        /// <exception cref="ObjectDisposedException">The object has been
        /// disposed.</exception>
        /// <exception cref="Socks5Exception">The request could not be performed.
        /// Consult the InnerException property of the Socks5Exception to learn
        /// the reason.</exception>
        public SocksReply Request(SocksRequest request)
        {
            request.ThrowIfNull("request");
            AssertValid();
            try {
                byte[] bytes = request.Serialize();
                stream.Write(bytes, 0, bytes.Length);
                ByteBuilder b = new ByteBuilder();
                using (var r = new BinaryReader(stream, Encoding.UTF8, true)) {
                    bytes = r.ReadBytes(4);
                    b.Append(bytes);
                    ATyp atyp = (ATyp)bytes[3];
                    switch (atyp)
                    {
                    case ATyp.IPv4:
                    case ATyp.IPv6:
                        b.Append(r.ReadBytes(atyp == ATyp.IPv4 ? 4 : 16));
                        break;

                    case ATyp.Domain:
                        byte length = r.ReadByte();
                        b.Append(length).Append(r.ReadBytes(length));
                        break;
                    }
                    b.Append(r.ReadBytes(2));
                }
                return(SocksReply.Deserialize(b.ToArray()));
            } catch (Exception e) {
                throw new Socks5Exception("The request could not be performed.", e);
            }
        }
Beispiel #2
0
        public SocksReply Request(SocksRequest request)
        {
            SocksReply reply;

            request.ThrowIfNull <SocksRequest>("request");
            this.AssertValid();
            try
            {
                byte[] buffer = request.Serialize();
                this.stream.Write(buffer, 0, buffer.Length);
                ByteBuilder  builder = new ByteBuilder();
                BinaryReader reader  = new BinaryReader(this.stream, Encoding.UTF8);
                buffer = reader.ReadBytes(4);
                builder.Append(buffer);
                ATyp typ = (ATyp)buffer[3];
                switch (typ)
                {
                case ATyp.IPv4:
                case ATyp.IPv6:
                    builder.Append(reader.ReadBytes((typ == ATyp.IPv4) ? 4 : 0x10));
                    break;

                case ATyp.Domain:
                {
                    byte count = reader.ReadByte();
                    builder.Append(new byte[] { count }).Append(reader.ReadBytes(count));
                    break;
                }
                }
                builder.Append(reader.ReadBytes(2));
                reply = SocksReply.Deserialize(builder.ToArray());
            }
            catch (Exception exception)
            {
                CommonConfig.Logger.WriteError("The request could not be performed.", exception);
                throw new Socks5Exception("The request could not be performed.", exception);
            }
            return(reply);
        }
Beispiel #3
0
		/// <summary>
		/// Performs the specified SOCKS5 request.
		/// </summary>
		/// <param name="request">The SOCKS5 request to issue to the server.</param>
		/// <returns>The SOCKS5 reply sent by the server.</returns>
		/// <exception cref="ArgumentNullException">The request parameter is
		/// null.</exception>
		/// <exception cref="ObjectDisposedException">The object has been
		/// disposed.</exception>
		/// <exception cref="Socks5Exception">The request could not be performed.
		/// Consult the InnerException property of the Socks5Exception to learn
		/// the reason.</exception>
		public SocksReply Request(SocksRequest request) {
			request.ThrowIfNull("request");
			AssertValid();
			try {
				byte[] bytes = request.Serialize();
				stream.Write(bytes, 0, bytes.Length);
				ByteBuilder b = new ByteBuilder();
				using (var r = new BinaryReader(stream, Encoding.UTF8, true)) {
					bytes = r.ReadBytes(4);
					b.Append(bytes);
					ATyp atyp = (ATyp) bytes[3];
					switch (atyp) {
						case ATyp.IPv4:
						case ATyp.IPv6:
							b.Append(r.ReadBytes(atyp == ATyp.IPv4 ? 4 : 16));
							break;
						case ATyp.Domain:
							byte length = r.ReadByte();
							b.Append(length).Append(r.ReadBytes(length));
							break;
					}
					b.Append(r.ReadBytes(2));
				}
				return SocksReply.Deserialize(b.ToArray());
			} catch (Exception e) {
				throw new Socks5Exception("The request could not be performed.", e);
			}
		}