pgsqlclient-checkins Mailing List for PostgreSqlClient (Page 36)

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Update of /cvsroot/pgsqlclient/pgsqlclient_10/Mono.Security.Protocol.Tls/Mono.Security.Protocol.Tls
In directory sc8-pr-cvs1:/tmp/cvs-serv25051

Modified Files:
	TlsSocket.cs TlsSslCipherSuite.cs 
Log Message:
Added partial implementation of SSL3 protocol

Index: TlsSocket.cs
===================================================================
RCS file: /cvsroot/pgsqlclient/pgsqlclient_10/Mono.Security.Protocol.Tls/Mono.Security.Protocol.Tls/TlsSocket.cs,v
retrieving revision 1.8
retrieving revision 1.9
diff -C2 -d -r1.8 -r1.9
*** TlsSocket.cs	21 Oct 2003 20:04:10 -0000	1.8
--- TlsSocket.cs	22 Oct 2003 11:47:44 -0000	1.9
***************
*** 55,59 ****
  		internal BufferedStream InputBuffer
  		{
! 			get { return inputBuffer; }
  		}

--- 55,59 ----
  		internal BufferedStream InputBuffer
  		{
! 			get { return this.inputBuffer; }
  		}

***************
*** 113,117 ****
  		public new int Receive(byte[] buffer, int offset, int size, SocketFlags socketFlags)
  		{
! 			if (!session.IsSecure)
  			{
  				return base.Receive(buffer, offset, size, socketFlags);
--- 113,117 ----
  		public new int Receive(byte[] buffer, int offset, int size, SocketFlags socketFlags)
  		{
! 			if (!this.session.IsSecure)
  			{
  				return base.Receive(buffer, offset, size, socketFlags);
***************
*** 119,123 ****

  			// If actual buffer is full readed reset it
! 			if (inputBuffer.Position == inputBuffer.Length)
  			{
  				this.resetBuffer();
--- 119,123 ----

  			// If actual buffer is full readed reset it
! 			if (this.inputBuffer.Position == this.inputBuffer.Length)
  			{
  				this.resetBuffer();
***************
*** 126,133 ****
  			// Check if we have space in the middle buffer
  			// if not Read next TLS record and update the inputBuffer
! 			while ((inputBuffer.Length - inputBuffer.Position) < size)
  			{
  				// Read next record and write it into the inputBuffer
! 				long	position	= inputBuffer.Position;					
  				byte[]	record		= this.receiveRecord();

--- 126,133 ----
  			// Check if we have space in the middle buffer
  			// if not Read next TLS record and update the inputBuffer
! 			while ((this.inputBuffer.Length - this.inputBuffer.Position) < size)
  			{
  				// Read next record and write it into the inputBuffer
! 				long	position	= this.inputBuffer.Position;					
  				byte[]	record		= this.receiveRecord();

***************
*** 135,143 ****
  				{
  					// Write new data to the inputBuffer
! 					inputBuffer.Seek(0, SeekOrigin.End);
! 					inputBuffer.Write(record, 0, record.Length);

  					// Restore buffer position
! 					inputBuffer.Seek(position, SeekOrigin.Begin);
  				}

--- 135,143 ----
  				{
  					// Write new data to the inputBuffer
! 					this.inputBuffer.Seek(0, SeekOrigin.End);
! 					this.inputBuffer.Write(record, 0, record.Length);

  					// Restore buffer position
! 					this.inputBuffer.Seek(position, SeekOrigin.Begin);
  				}

***************
*** 148,152 ****
  			}

! 			return inputBuffer.Read(buffer, offset, size);
  		}

--- 148,152 ----
  			}

! 			return this.inputBuffer.Read(buffer, offset, size);
  		}

***************
*** 168,172 ****
  		public new int Send(byte[] buffer, int offset, int size, SocketFlags socketFlags)
  		{
! 			if (!session.IsSecure)
  			{
  				return base.Send(buffer, offset, size, socketFlags);
--- 168,172 ----
  		public new int Send(byte[] buffer, int offset, int size, SocketFlags socketFlags)
  		{
! 			if (!this.session.IsSecure)
  			{
  				return base.Send(buffer, offset, size, socketFlags);
***************
*** 186,192 ****
  		private byte[] receiveRecord()
  		{
! 			if (session.Context.ConnectionEnd)
  			{
! 				throw session.CreateException("The session is finished and it's no longer valid.");
  			}

--- 186,192 ----
  		private byte[] receiveRecord()
  		{
! 			if (this.session.Context.ConnectionEnd)
  			{
! 				throw this.session.CreateException("The session is finished and it's no longer valid.");
  			}

***************
*** 206,212 ****
  			TlsStream message = new TlsStream(buffer);

! 			// Check that the message as a valid protocol version
! 			if ((protocol != this.session.Context.Protocol && this.session.Context.HelloDone) ||
! 				(protocol != TlsProtocol.Tls1 && protocol != TlsProtocol.Ssl3 ))
  			{
  				throw session.CreateException("Invalid protocol version on message received from server");
--- 206,211 ----
  			TlsStream message = new TlsStream(buffer);

! 			// Check that the message has a valid protocol version
! 			if (protocol != this.session.Context.Protocol)
  			{
  				throw session.CreateException("Invalid protocol version on message received from server");
***************
*** 222,228 ****
  					contentType != TlsContentType.ChangeCipherSpec)
  				{
! 					message = decryptRecordFragment(
  						contentType, 
! 						protocol, 
  						message.ToArray());
  				}
--- 221,227 ----
  					contentType != TlsContentType.ChangeCipherSpec)
  				{
! 					message = this.decryptRecordFragment(
  						contentType, 
! 						protocol,
  						message.ToArray());
  				}
***************
*** 235,239 ****
  			{
  				case TlsContentType.Alert:
! 					processAlert((TlsAlertLevel)message.ReadByte(),
  						(TlsAlertDescription)message.ReadByte());
  					break;
--- 234,238 ----
  			{
  				case TlsContentType.Alert:
! 					this.processAlert((TlsAlertLevel)message.ReadByte(),
  						(TlsAlertDescription)message.ReadByte());
  					break;
***************
*** 241,245 ****
  				case TlsContentType.ChangeCipherSpec:
  					// Reset sequence numbers
! 					session.Context.ReadSequenceNumber = 0;
  					break;

--- 240,244 ----
  				case TlsContentType.ChangeCipherSpec:
  					// Reset sequence numbers
! 					this.session.Context.ReadSequenceNumber = 0;
  					break;

***************
*** 250,254 ****
  					while (!message.EOF)
  					{
! 						processHandshakeMessage(message);
  					}
  					// Update handshakes of current messages
--- 249,253 ----
  					while (!message.EOF)
  					{
! 						this.processHandshakeMessage(message);
  					}
  					// Update handshakes of current messages
***************
*** 273,288 ****

  			// Encrypt the message
! 			byte[] ecr = session.Context.Cipher.EncryptRecord(fragment, mac);

  			// Set new IV
! 			if (session.Context.Cipher.CipherMode == CipherMode.CBC)
  			{
! 				byte[] iv = new byte[session.Context.Cipher.IvSize];
  				System.Array.Copy(ecr, ecr.Length - iv.Length, iv, 0, iv.Length);
! 				session.Context.Cipher.UpdateClientCipherIV(iv);
  			}

  			// Update sequence number
! 			session.Context.WriteSequenceNumber++;

  			return ecr;
--- 272,287 ----

  			// Encrypt the message
! 			byte[] ecr = this.session.Context.Cipher.EncryptRecord(fragment, mac);

  			// Set new IV
! 			if (this.session.Context.Cipher.CipherMode == CipherMode.CBC)
  			{
! 				byte[] iv = new byte[this.session.Context.Cipher.IvSize];
  				System.Array.Copy(ecr, ecr.Length - iv.Length, iv, 0, iv.Length);
! 				this.session.Context.Cipher.UpdateClientCipherIV(iv);
  			}

  			// Update sequence number
! 			this.session.Context.WriteSequenceNumber++;

  			return ecr;
***************
*** 297,308 ****

  			// Decrypt message
! 			session.Context.Cipher.DecryptRecord(fragment, ref dcrFragment, ref dcrMAC);

  			// Set new IV
! 			if (session.Context.Cipher.CipherMode == CipherMode.CBC)
  			{
  				byte[] iv = new byte[session.Context.Cipher.IvSize];
  				System.Array.Copy(fragment, fragment.Length - iv.Length, iv, 0, iv.Length);
! 				session.Context.Cipher.UpdateServerCipherIV(iv);
  			}

--- 296,307 ----

  			// Decrypt message
! 			this.session.Context.Cipher.DecryptRecord(fragment, ref dcrFragment, ref dcrMAC);

  			// Set new IV
! 			if (this.session.Context.Cipher.CipherMode == CipherMode.CBC)
  			{
  				byte[] iv = new byte[session.Context.Cipher.IvSize];
  				System.Array.Copy(fragment, fragment.Length - iv.Length, iv, 0, iv.Length);
! 				this.session.Context.Cipher.UpdateServerCipherIV(iv);
  			}

***************
*** 324,328 ****

  			// Update sequence number
! 			session.Context.ReadSequenceNumber++;

  			return new TlsStream(dcrFragment);
--- 323,327 ----

  			// Update sequence number
! 			this.session.Context.ReadSequenceNumber++;

  			return new TlsStream(dcrFragment);
***************
*** 369,376 ****

  			// Reset sequence numbers
! 			session.Context.WriteSequenceNumber = 0;

  			// Make the pending state to be the current state
! 			session.Context.IsActual = true;

  			// Send Finished message
--- 368,375 ----

  			// Reset sequence numbers
! 			this.session.Context.WriteSequenceNumber = 0;

  			// Make the pending state to be the current state
! 			this.session.Context.IsActual = true;

  			// Send Finished message
***************
*** 382,388 ****
  		private int sendRecord(TlsContentType contentType, byte[] recordData)
  		{
! 			if (session.Context.ConnectionEnd)
  			{
! 				throw session.CreateException("The session is finished and it's no longer valid.");
  			}

--- 381,387 ----
  		private int sendRecord(TlsContentType contentType, byte[] recordData)
  		{
! 			if (this.session.Context.ConnectionEnd)
  			{
! 				throw this.session.CreateException("The session is finished and it's no longer valid.");
  			}

***************
*** 393,400 ****
  				byte[] fragment = fragments[i];

! 				if (session.Context.IsActual)
  				{
  					// Encrypt fragment
! 					fragment = encryptRecordFragment(contentType, fragment);
  				}

--- 392,399 ----
  				byte[] fragment = fragments[i];

! 				if (this.session.Context.IsActual)
  				{
  					// Encrypt fragment
! 					fragment = this.encryptRecordFragment(contentType, fragment);
  				}

***************
*** 469,473 ****

  			// Create and process the server message
! 			message = createServerHandshakeMessage(handshakeType, data);

  			// Update session
--- 468,472 ----

  			// Create and process the server message
! 			message = this.createServerHandshakeMessage(handshakeType, data);

  			// Update session
***************
*** 478,488 ****
  		}

! 		private void processAlert(TlsAlertLevel alertLevel, 
! 			TlsAlertDescription alertDesc)
  		{
  			switch (alertLevel)
  			{
  				case TlsAlertLevel.Fatal:
! 					throw session.CreateException(alertLevel, alertDesc);					

  				case TlsAlertLevel.Warning:
--- 477,486 ----
  		}

! 		private void processAlert(TlsAlertLevel alertLevel, TlsAlertDescription alertDesc)
  		{
  			switch (alertLevel)
  			{
  				case TlsAlertLevel.Fatal:
! 					throw this.session.CreateException(alertLevel, alertDesc);					

  				case TlsAlertLevel.Warning:
***************
*** 491,502 ****
  				{
  					case TlsAlertDescription.CloseNotify:
! 						session.Context.ConnectionEnd = true;
  						break;

  					default:
! 						session.RaiseWarningAlert(alertLevel, alertDesc);
  						break;
  				}
! 					break;
  			}
  		}
--- 489,500 ----
  				{
  					case TlsAlertDescription.CloseNotify:
! 						this.session.Context.ConnectionEnd = true;
  						break;

  					default:
! 						this.session.RaiseWarningAlert(alertLevel, alertDesc);
  						break;
  				}
! 				break;
  			}
  		}
***************
*** 658,662 ****

  				default:
! 					throw session.CreateException("Unknown server handshake message received ({0})", type.ToString());
  			}
  		}
--- 656,660 ----

  				default:
! 					throw this.session.CreateException("Unknown server handshake message received ({0})", type.ToString());
  			}
  		}

Index: TlsSslCipherSuite.cs
===================================================================
RCS file: /cvsroot/pgsqlclient/pgsqlclient_10/Mono.Security.Protocol.Tls/Mono.Security.Protocol.Tls/TlsSslCipherSuite.cs,v
retrieving revision 1.6
retrieving revision 1.7
diff -C2 -d -r1.6 -r1.7
*** TlsSslCipherSuite.cs	21 Oct 2003 20:04:10 -0000	1.6
--- TlsSslCipherSuite.cs	22 Oct 2003 11:47:44 -0000	1.7
***************
*** 149,157 ****
  			block.Write((short)fragment.Length);
  			block.Write(fragment);

  			block.Reset();

- 			byte[] blockHash = hash.ComputeHash(block.ToArray(), 0, (int)block.Length);
- 
  			block.Write(this.Context.ServerWriteMAC);
  			block.Write(this.pad2);
--- 149,157 ----
  			block.Write((short)fragment.Length);
  			block.Write(fragment);
+ 			
+ 			byte[] blockHash = hash.ComputeHash(block.ToArray(), 0, (int)block.Length);

  			block.Reset();

  			block.Write(this.Context.ServerWriteMAC);
  			block.Write(this.pad2);
***************
*** 176,183 ****
  			block.Write((short)fragment.Length);
  			block.Write(fragment);

  			block.Reset();
- 
- 			byte[] blockHash = hash.ComputeHash(block.ToArray(), 0, (int)block.Length);

  			block.Write(this.Context.ClientWriteMAC);
--- 176,183 ----
  			block.Write((short)fragment.Length);
  			block.Write(fragment);
+ 			
+ 			byte[] blockHash = hash.ComputeHash(block.ToArray(), 0, (int)block.Length);

  			block.Reset();

  			block.Write(this.Context.ClientWriteMAC);

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pgsqlclient-checkins Mailing List for PostgreSqlClient (Page 36)

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