public int GetResult(ref int affectedRow, ref int insertedId) { try { packet = stream.ReadPacket(); } catch (TimeoutException) { // Do not reset serverStatus, allow to reenter, e.g when // ResultSet is closed. throw; } catch (Exception) { serverStatus = 0; throw; } int fieldCount = (int)packet.ReadFieldLength(); if (-1 == fieldCount) { string filename = packet.ReadString(); SendFileToServer(filename); return(GetResult(ref affectedRow, ref insertedId)); } else if (fieldCount == 0) { // the code to read last packet will set these server status vars // again if necessary. serverStatus &= ~(ServerStatusFlags.AnotherQuery | ServerStatusFlags.MoreResults); affectedRow = (int)packet.ReadFieldLength(); insertedId = (int)packet.ReadFieldLength(); serverStatus = (ServerStatusFlags)packet.ReadInteger(2); warnings += packet.ReadInteger(2); if (packet.HasMoreData) { packet.ReadLenString(); //TODO: server message } } return(fieldCount); }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlInt64(true); if (length == -1) return new MySqlInt64((long)packet.ReadULong(8)); else return new MySqlInt64(Int64.Parse(packet.ReadString(length))); }
private void AuthenticateSSPI() { string targetName = ""; // target name (required by Kerberos) // First packet sent by server should include target name (for // Kerberos) as UTF8 string. It might however be prepended by junk // at the start of the string (0xfe"authentication_win_client"\0, // see Bug#57442), this junk will be ignored. Target name can also // be an empty string if server is not running in a domain environment, // in this case authentication will fallback to NTLM. // Note that 0xfe byte at the start could also indicate that windows // authentication is not supported by sérver, we throw an exception // if this happens. packet = stream.ReadPacket(); byte b = packet.ReadByte(); if (b == 0xfe) { string authMethod = packet.ReadString(); if (authMethod.Equals(AuthenticationWindowsPlugin)) { targetName = packet.ReadString(Encoding.UTF8); } else { // User has requested Windows authentication, bail out. throw new MySqlException("unexpected authentication method " + authMethod); } } else { targetName = Encoding.UTF8.GetString(packet.Buffer, 0, packet.Buffer.Length); } // Do SSPI authentication handshake SSPI sspi = new SSPI(targetName, stream.BaseStream, stream.SequenceByte); sspi.AuthenticateClient(); // read ok packet. packet = stream.ReadPacket(); ReadOk(false); }
public void Open() { // connect to one of our specified hosts try { if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory) { SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName); str.Open(Settings.ConnectionTimeout); baseStream = str; } else { string pipeName = Settings.PipeName; if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe) pipeName = null; #if !DNX StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName,Settings.Keepalive); #else StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, Settings.Keepalive); #endif baseStream = sc.GetStream(Settings.ConnectionTimeout); } } catch (Exception ex) { throw new MySqlException(Resources.UnableToConnectToHost, (int)MySqlErrorCode.UnableToConnectToHost, ex); } if (baseStream == null) throw new MySqlException(Resources.UnableToConnectToHost, (int)MySqlErrorCode.UnableToConnectToHost); int maxSinglePacket = 255 * 255 * 255; stream = new MySqlStream(baseStream, Encoding, false); stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000); // read off the welcome packet and parse out it's values packet = stream.ReadPacket(); int protocol = packet.ReadByte(); string versionString = packet.ReadString(); version = DBVersion.Parse(versionString); if (!version.isAtLeast(5, 0, 0)) throw new NotSupportedException(Resources.ServerTooOld); threadId = packet.ReadInteger(4); encryptionSeed = packet.ReadString(); maxSinglePacket = (256 * 256 * 256) - 1; // read in Server capabilities if they are provided ClientFlags serverCaps = 0; if (packet.HasMoreData) serverCaps = (ClientFlags)packet.ReadInteger(2); /* New protocol with 16 bytes to describe server characteristics */ owner.ConnectionCharSetIndex = (int)packet.ReadByte(); serverStatus = (ServerStatusFlags)packet.ReadInteger(2); // Since 5.5, high bits of server caps are stored after status. // Previously, it was part of reserved always 0x00 13-byte filler. uint serverCapsHigh = (uint)packet.ReadInteger(2); serverCaps |= (ClientFlags)(serverCapsHigh << 16); packet.Position += 11; string seedPart2 = packet.ReadString(); encryptionSeed += seedPart2; string authenticationMethod = ""; if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0) { authenticationMethod = packet.ReadString(); } // based on our settings, set our connection flags SetConnectionFlags(serverCaps); packet.Clear(); packet.WriteInteger((int)connectionFlags, 4); #if !CF if ((serverCaps & ClientFlags.SSL) == 0) { if ((Settings.SslMode != MySqlSslMode.None) && (Settings.SslMode != MySqlSslMode.Preferred)) { // Client requires SSL connections. string message = String.Format(Resources.NoServerSSLSupport, Settings.Server); throw new MySqlException(message); } } else if (Settings.SslMode != MySqlSslMode.None) { stream.SendPacket(packet); StartSSL(); packet.Clear(); packet.WriteInteger((int)connectionFlags, 4); } #endif packet.WriteInteger(maxSinglePacket, 4); packet.WriteByte(8); packet.Write(new byte[23]); Authenticate(false); // if we are using compression, then we use our CompressedStream class // to hide the ugliness of managing the compression if ((connectionFlags & ClientFlags.COMPRESS) != 0) stream = new MySqlStream(baseStream, Encoding, true); // give our stream the server version we are connected to. // We may have some fields that are read differently based // on the version of the server we are connected to. packet.Version = version; stream.MaxBlockSize = maxSinglePacket; }
public int GetResult(ref int affectedRow, ref int insertedId) { try { packet = stream.ReadPacket(); } catch (TimeoutException) { // Do not reset serverStatus, allow to reenter, e.g when // ResultSet is closed. throw; } catch (Exception) { serverStatus = 0; throw; } int fieldCount = (int)packet.ReadFieldLength(); if (-1 == fieldCount) { string filename = packet.ReadString(); SendFileToServer(filename); return GetResult(ref affectedRow, ref insertedId); } else if (fieldCount == 0) { // the code to read last packet will set these server status vars // again if necessary. serverStatus &= ~(ServerStatusFlags.AnotherQuery | ServerStatusFlags.MoreResults); affectedRow = (int)packet.ReadFieldLength(); insertedId = (int)packet.ReadFieldLength(); serverStatus = (ServerStatusFlags)packet.ReadInteger(2); warnings += packet.ReadInteger(2); if (packet.HasMoreData) { packet.ReadLenString(); //TODO: server message } } return fieldCount; }
public IMySqlValue ReadValue(MySqlPacket packet, long length, bool isNull) { this.isNull = isNull; if (isNull) return this; if (length == -1) length = packet.ReadFieldLength(); if (ReadAsString) mValue = UInt64.Parse(packet.ReadString(length)); else mValue = (UInt64)packet.ReadBitValue((int)length); return this; }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { MySqlGuid g = new MySqlGuid(); g.isNull = true; g.OldGuids = OldGuids; if (!nullVal) { if (OldGuids) return ReadOldGuid(packet, length); string s = String.Empty; if (length == -1) s = packet.ReadLenString(); else s = packet.ReadString(length); g.mValue = new Guid(s); g.isNull = false; } return g; }
public void Open() { // connect to one of our specified hosts try { if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory) { SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName); str.Open(Settings.ConnectionTimeout); baseStream = str; } else { string pipeName = Settings.PipeName; if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe) { pipeName = null; } StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName, Settings.Keepalive); baseStream = sc.GetStream(Settings.ConnectionTimeout); } } catch (Exception ex) { throw new MySqlException(ResourceStrings.UnableToConnectToHost, (int)MySqlErrorCode.UnableToConnectToHost, ex); } if (baseStream == null) { throw new MySqlException(ResourceStrings.UnableToConnectToHost, (int)MySqlErrorCode.UnableToConnectToHost); } int maxSinglePacket = 255 * 255 * 255; stream = new MySqlStream(baseStream, Encoding, false); stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000); // read off the welcome packet and parse out it's values packet = stream.ReadPacket(); int protocol = packet.ReadByte(); string versionString = packet.ReadString(); version = DBVersion.Parse(versionString); if (!version.isAtLeast(5, 0, 0)) { throw new NotSupportedException(ResourceStrings.ServerTooOld); } threadId = packet.ReadInteger(4); encryptionSeed = packet.ReadString(); maxSinglePacket = (256 * 256 * 256) - 1; // read in Server capabilities if they are provided ClientFlags serverCaps = 0; if (packet.HasMoreData) { serverCaps = (ClientFlags)packet.ReadInteger(2); } /* New protocol with 16 bytes to describe server characteristics */ owner.ConnectionCharSetIndex = (int)packet.ReadByte(); serverStatus = (ServerStatusFlags)packet.ReadInteger(2); // Since 5.5, high bits of server caps are stored after status. // Previously, it was part of reserved always 0x00 13-byte filler. uint serverCapsHigh = (uint)packet.ReadInteger(2); serverCaps |= (ClientFlags)(serverCapsHigh << 16); packet.Position += 11; string seedPart2 = packet.ReadString(); encryptionSeed += seedPart2; string authenticationMethod = ""; if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0) { authenticationMethod = packet.ReadString(); } // based on our settings, set our connection flags SetConnectionFlags(serverCaps); packet.Clear(); packet.WriteInteger((int)connectionFlags, 4); if ((serverCaps & ClientFlags.SSL) == 0) { if ((Settings.SslMode != MySqlSslMode.None) && (Settings.SslMode != MySqlSslMode.Preferred)) { // Client requires SSL connections. string message = String.Format(ResourceStrings.NoServerSSLSupport, Settings.Server); throw new MySqlException(message); } } else if (Settings.SslMode != MySqlSslMode.None) { stream.SendPacket(packet); StartSSL(); packet.Clear(); packet.WriteInteger((int)connectionFlags, 4); } packet.WriteInteger(maxSinglePacket, 4); packet.WriteByte(8); packet.Write(new byte[23]); Authenticate(false); // if we are using compression, then we use our CompressedStream class // to hide the ugliness of managing the compression if ((connectionFlags & ClientFlags.COMPRESS) != 0) { stream = new MySqlStream(baseStream, Encoding, true); } // give our stream the server version we are connected to. // We may have some fields that are read differently based // on the version of the server we are connected to. packet.Version = version; stream.MaxBlockSize = maxSinglePacket; }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlDouble(true); if (length == -1) { byte[] b = new byte[8]; packet.Read(b, 0, 8); return new MySqlDouble(BitConverter.ToDouble(b, 0)); } string s = packet.ReadString(length); double d; try { d = Double.Parse(s, CultureInfo.InvariantCulture); } catch (OverflowException) { // MySQL server < 5.5 can return values not compatible with // Double.Parse(), i.e out of range for double. if (s.StartsWith("-")) d = double.MinValue; else d = double.MaxValue; } return new MySqlDouble(d); }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlString(type, true); string s = String.Empty; if (length == -1) s = packet.ReadLenString(); else s = packet.ReadString(length); MySqlString str = new MySqlString(type, s); return str; }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlInt32((this as IMySqlValue).MySqlDbType, true); if (length == -1) return new MySqlInt32((this as IMySqlValue).MySqlDbType, packet.ReadInteger(4)); else return new MySqlInt32((this as IMySqlValue).MySqlDbType, Int32.Parse(packet.ReadString(length), CultureInfo.InvariantCulture)); }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlUByte(true); if (length == -1) return new MySqlUByte((byte)packet.ReadByte()); else return new MySqlUByte(Byte.Parse(packet.ReadString(length))); }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlDecimal(true); string s = String.Empty; if (length == -1) s = packet.ReadLenString(); else s = packet.ReadString(length); return new MySqlDecimal(s); }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlTimeSpan(true); if (length >= 0) { string value = packet.ReadString(length); ParseMySql(value); return this; } long bufLength = packet.ReadByte(); int negate = 0; if (bufLength > 0) negate = packet.ReadByte(); isNull = false; if (bufLength == 0) isNull = true; else if (bufLength == 5) mValue = new TimeSpan(packet.ReadInteger(4), 0, 0, 0); else if (bufLength == 8) mValue = new TimeSpan(packet.ReadInteger(4), packet.ReadByte(), packet.ReadByte(), packet.ReadByte()); else mValue = new TimeSpan(packet.ReadInteger(4), packet.ReadByte(), packet.ReadByte(), packet.ReadByte(), packet.ReadInteger(4) / 1000000); if (negate == 1) mValue = mValue.Negate(); return this; }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlByte(true); if (length == -1) return new MySqlByte((sbyte)packet.ReadByte()); else { string s = packet.ReadString(length); MySqlByte b = new MySqlByte(SByte.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture)); b.TreatAsBoolean = TreatAsBoolean; return b; } }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlInt16(true); if (length == -1) return new MySqlInt16((short)packet.ReadInteger(2)); else return new MySqlInt16(Int16.Parse(packet.ReadString(length))); }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlDateTime(type, true); if (length >= 0) { string value = packet.ReadString(length); return ParseMySql(value); } long bufLength = packet.ReadByte(); int year = 0, month = 0, day = 0; int hour = 0, minute = 0, second = 0; if (bufLength >= 4) { year = packet.ReadInteger(2); month = packet.ReadByte(); day = packet.ReadByte(); } if (bufLength > 4) { hour = packet.ReadByte(); minute = packet.ReadByte(); second = packet.ReadByte(); } if (bufLength > 7) packet.ReadInteger(4); return new MySqlDateTime(type, year, month, day, hour, minute, second); }
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal) { if (nullVal) return new MySqlSingle(true); if (length == -1) { byte[] b = new byte[4]; packet.Read(b, 0, 4); return new MySqlSingle(BitConverter.ToSingle(b, 0)); } return new MySqlSingle(Single.Parse(packet.ReadString(length), CultureInfo.InvariantCulture)); }