Wraps a a Normal Socket object and extends or overrides functions in that class to make use of the OpenSSL Socket API. More...

#include <src/main/decaf/internal/net/ssl/openssl/OpenSSLSocket.h>

Inheritance diagram for decaf::internal::net::ssl::openssl::OpenSSLSocket:

[legend]

Public Member Functions

OpenSSLSocket (OpenSSLParameters *parameters)

OpenSSLSocket (OpenSSLParameters *parameters, const decaf::net::InetAddress *address, int port)

OpenSSLSocket (OpenSSLParameters *parameters, const decaf::net::InetAddress *address, int port, const decaf::net::InetAddress *localAddress, int localPort)

OpenSSLSocket (OpenSSLParameters *parameters, const std::string &host, int port)

OpenSSLSocket (OpenSSLParameters *parameters, const std::string &host, int port, const decaf::net::InetAddress *localAddress, int localPort)

virtual ~OpenSSLSocket ()

virtual void connect (const std::string &host, int port, int timeout)

Connects to the specified destination, with a specified timeout value.If a connection to the remote host is not established within the specified timeout interval than an SocketTimeoutException is thrown. A timeout value of zero is treated as an inifinite timeout.

Parameters

host	The host name or IP address of the remote host to connect to.
port	The port on the remote host to connect to.
timeout	The number of Milliseconds to wait before treating the connection as failed.

Exceptions

IOException	Thrown if a failure occurred in the connect.
SocketTimeoutException	if the timeout for connection is exceeded.
IllegalArguementException	if the timeout value is negative or the endpoint is invalid.

virtual void close ()

Closes the Socket.Once closed a Socket cannot be connected or otherwise operated upon, a new Socket instance must be created.

Exceptions

IOException if an I/O error occurs while closing the Socket.

virtual decaf::io::InputStream * getInputStream ()

Gets the InputStream for this socket if its connected.The pointer returned is the property of the associated Socket and should not be deleted by the caller.When the returned InputStream is performing a blocking operation and the underlying connection is closed or otherwise broker the read calls will normally throw an exception to indicate the failure.Closing the InputStream will also close the underlying Socket.

Returns: The InputStream for this socket.

Exceptions

IOException if an error occurs during creation of the InputStream, also if the Socket is not connected or the input has been shutdown previously.

virtual decaf::io::OutputStream * getOutputStream ()

Gets the OutputStream for this socket if it is connected.The pointer returned is the property of the Socket instance and should not be deleted by the caller.Closing the returned Socket will also close the underlying Socket.

Returns: the OutputStream for this socket.

Exceptions

IOException if an error occurs during the creation of this OutputStream, or if the Socket is closed or the output has been shutdown previously.

virtual void shutdownInput ()

Shuts down the InputStream for this socket essentially marking it as EOF.The stream returns EOF for any calls to read after this method has been called.

Exceptions

IOException if an I/O error occurs while performing this operation.

virtual void shutdownOutput ()

Shuts down the OutputStream for this socket, any data already written to the socket will be sent, any further calls to OuputStream::write will throw an IOException.

Exceptions

IOException if an I/O error occurs while performing this operation.

virtual void setOOBInline (bool value)

Sets the value of the OOBINLINE for this socket, by default this option is disabled.If enabled the urgent data is read inline on the Socket's InputStream, no notification is give.

Returns: true if OOBINLINE is enabled, false otherwise.

Exceptions

SocketException if an error is encountered while performing this operation.

virtual void sendUrgentData (int data)

Sends on byte of urgent data to the Socket.

Parameters

data	The value to write as urgent data, only the lower eight bits are sent.

Exceptions

IOException if an I/O error occurs while performing this operation.

virtual std::vector< std::string > getSupportedCipherSuites () const

Gets a vector containing the names of all the cipher suites that are supported by this SSLSocket.Normally not all of these cipher suites will be enabled on the Socket.

Returns: a vector containing the names of all the supported cipher suites.

virtual std::vector< std::string > getSupportedProtocols () const

Gets a vector containing the names of all the protocols that could be enabled for this SSLSocket instance.

Returns: a vector containing the names of all the supported protocols.

virtual std::vector< std::string > getEnabledCipherSuites () const

Returns a vector containing the names of all the currently enabled Cipher Suites for this SSL Socket.

Returns: vector of the names of all enabled Cipher Suites.

virtual void setEnabledCipherSuites (const std::vector< std::string > &suites)

Sets the Cipher Suites that are to be enabled on the SSL Socket connection.Each of the named Cipher Suites must appear in the list of supported cipher suites for this connection or an exception will be thrown.

Parameters

suites An Vector of names for all the Cipher Suites that are to be enabled.

Exceptions

IllegalArgumentException if the vector is empty or one of the names is invalid.

virtual std::vector< std::string > getEnabledProtocols () const

Returns a vector containing the names of all the currently enabled Protocols for this SSL Socket.

Returns: vector of the names of all enabled Protocols.

virtual void setEnabledProtocols (const std::vector< std::string > &protocols)

Sets the Protocols that are to be enabled on the SSL Socket connection.Each of the named Protocols must appear in the list of supported protocols suites for this connection or an exception will be thrown.

Parameters

protocols An Vector of names for all the Protocols that are to be enabled.

Exceptions

IllegalArgumentException if the vector is empty or one of the names is invalid.

virtual void startHandshake ()

Initiates a handshake for this SSL Connection, this can be necessary for several reasons such as using new encryption keys, or starting a new session.When called for the first time after the socket connects this method blocks until the handshake is completed. The provider is not require to support multiple handshakes and can throw an IOException to indicate an error.

Exceptions

IOException if an I/O error occurs while performing the Handshake

virtual void setUseClientMode (bool value)

Determines the mode that the socket uses when a handshake is initiated, client or server.This method must be called prior to any handshake attempts on this Socket, once a handshake has be initiated this socket remains the the set mode; client or server, for the life of this object.

Parameters

value The mode setting, true for client or false for server.

Exceptions

IllegalArguementException if the handshake process has begun and mode is lcoked.

virtual bool getUseClientMode () const

Gets whether this Socket is in Client or Server mode, true indicates that the mode is set to Client.

Returns: true if the Socket is in Client mode, false otherwise.

virtual void setNeedClientAuth (bool value)

Sets the Socket to require that a client authenticate itself by sending a valid Certificate that is trusted by this Server mode socket.This option only applies to sockets in the Server mode.If the option is enabled an the client does not provide a certificate then the handshake is considered failed and the connection is refused. Calling this method resets any previous value for this option as well as clears any value set in the setWantClientAuth method.

Parameters

value The value indicating if a client is required to authenticate itself or not.

virtual bool getNeedClientAuth () const

Returns if this socket is configured to require client authentication, true means that is has and that clients that failed to authenticate will be rejected.This option is only useful when the socket is operating in server mode.

Returns: true if client authentication is required.

virtual void setWantClientAuth (bool value)

Sets the Socket to request that a client authenticate itself by sending a valid Certificate that is trusted by this Server mode socket.This option only applies to sockets in the Server mode.If the option is enabled an the client does not provide a certificate then the handshake is considered to have succeeded, if it does send a certificate and that certificate is invalid the the handshake will fail. Calling this method resets any previous value for this option as well as clears any value set in the setNeedClientAuth method.

Parameters

value The value indicating if a client is requested to authenticate itself or not.

virtual bool getWantClientAuth () const

Returns if this socket is configured to request client authentication, true means that is has and that clients that failed to authenticate will be rejected but that cleints that do not send a certificate are not considered to have failed authentication.This option is only useful when the socket is operating in server mode.

Returns: true if client authentication is required.

int read (unsigned char *buffer, int size, int offset, int length)

Reads the requested data from the Socket and write it into the passed in buffer.

void write (const unsigned char *buffer, int size, int offset, int length)

Writes the specified data in the passed in buffer to the Socket.

int available ()

Gets the number of bytes in the Socket buffer that can be read without blocking.

Public Member Functions inherited from decaf::net::ssl::SSLSocket

SSLSocket ()

SSLSocket (const InetAddress *address, int port)

Creates a new SSLSocket instance and connects it to the given address and port.

SSLSocket (const InetAddress *address, int port, const InetAddress *localAddress, int localPort)

Creates a new SSLSocket instance and connects it to the given address and port.

SSLSocket (const std::string &host, int port)

Creates a new SSLSocket instance and connects it to the given host and port.

SSLSocket (const std::string &host, int port, const InetAddress *localAddress, int localPort)

Creates a new SSLSocket instance and connects it to the given host and port.

virtual ~SSLSocket ()

virtual SSLParameters getSSLParameters () const

Returns an SSLParameters object for this SSLSocket instance.

virtual void setSSLParameters (const SSLParameters &value)

Sets the SSLParameters for this SSLSocket using the supplied SSLParameters instance.

Public Member Functions inherited from decaf::net::Socket

Socket ()

Creates an unconnected Socket using the set SocketImplFactory or if non is set than the default SockImpl type is created.

Socket (SocketImpl *impl)

Creates a Socket wrapping the provided SocketImpl instance, this Socket is considered unconnected.

Socket (const InetAddress *address, int port)

Creates a new Socket instance and connects it to the given address and port.

Socket (const InetAddress *address, int port, const InetAddress *localAddress, int localPort)

Creates a new Socket instance and connects it to the given address and port.

Socket (const std::string &host, int port)

Creates a new Socket instance and connects it to the given host and port.

Socket (const std::string &host, int port, const InetAddress *localAddress, int localPort)

Creates a new Socket instance and connects it to the given host and port.

virtual ~Socket ()

virtual void bind (const std::string &ipaddress, int port)

Binds this Socket to the given local address and port.

virtual void connect (const std::string &host, int port)

Connects to the specified destination.

bool isConnected () const

Indicates whether or not this socket is connected to am end point.

bool isClosed () const

bool isBound () const

bool isInputShutdown () const

bool isOutputShutdown () const

int getPort () const

Gets the on the remote host this Socket is connected to.

int getLocalPort () const

Gets the local port the socket is bound to.

std::string getInetAddress () const

Returns the address to which the socket is connected.

std::string getLocalAddress () const

Gets the local address to which the socket is bound.

virtual int getSoLinger () const

Gets the linger time for the socket, SO_LINGER.

virtual void setSoLinger (bool state, int timeout)

Sets the linger time (SO_LINGER) using a specified time value, this limits of this value are platform specific.

virtual bool getKeepAlive () const

Gets the keep alive flag for this socket, SO_KEEPALIVE.

virtual void setKeepAlive (bool keepAlive)

Enables/disables the keep alive flag for this socket, SO_KEEPALIVE.

virtual int getReceiveBufferSize () const

Gets the receive buffer size for this socket, SO_RCVBUF.

virtual void setReceiveBufferSize (int size)

Sets the receive buffer size for this socket, SO_RCVBUF.

virtual bool getReuseAddress () const

Gets the reuse address flag, SO_REUSEADDR.

virtual void setReuseAddress (bool reuse)

Sets the reuse address flag, SO_REUSEADDR.

virtual int getSendBufferSize () const

Gets the send buffer size for this socket, SO_SNDBUF, this value is used by the platform socket to buffer data written to the socket.

virtual void setSendBufferSize (int size)

Gets the send buffer size for this socket, SO_SNDBUF, this value is used by the platform socket to buffer data written to the socket.

virtual int getSoTimeout () const

Gets the timeout for socket operations, SO_TIMEOUT.

virtual void setSoTimeout (int timeout)

Sets the timeout for socket operations, SO_TIMEOUT.

virtual bool getTcpNoDelay () const

Gets the Status of the TCP_NODELAY setting for this socket.

virtual void setTcpNoDelay (bool value)

Sets the Status of the TCP_NODELAY param for this socket., this setting is used to disable or enable Nagle's algorithm on the Socket.

virtual int getTrafficClass () const

Gets the Traffic Class setting for this Socket, sometimes referred to as Type of Service setting.

virtual void setTrafficClass (int value)

Gets the Traffic Class setting for this Socket, sometimes referred to as Type of Service setting.

virtual bool getOOBInline () const

Gets the value of the OOBINLINE for this socket.

virtual std::string toString () const

Public Member Functions inherited from decaf::io::Closeable

virtual ~Closeable ()

Additional Inherited Members
Static Public Member Functions inherited from decaf::net::Socket
static void	setSocketImplFactory (SocketImplFactory *factory)
	Sets the instance of a SocketImplFactory that the Socket class should use when new instances of this class are created.
Protected Member Functions inherited from decaf::net::Socket
void	accepted ()
void	initSocketImpl (const std::string &address, int port, const InetAddress *localAddress, int localPort)
void	checkClosed () const
void	ensureCreated () const
Protected Attributes inherited from decaf::net::Socket
SocketImpl *	impl

Detailed Description

Wraps a a Normal Socket object and extends or overrides functions in that class to make use of the OpenSSL Socket API.

Since: 1.0

Constructor & Destructor Documentation

decaf::internal::net::ssl::openssl::OpenSSLSocket::OpenSSLSocket ( OpenSSLParameters * parameters )

decaf::internal::net::ssl::openssl::OpenSSLSocket::OpenSSLSocket	(	OpenSSLParameters *	parameters,
		const decaf::net::InetAddress *	address,
		int	port
	)

decaf::internal::net::ssl::openssl::OpenSSLSocket::OpenSSLSocket	(	OpenSSLParameters *	parameters,
		const decaf::net::InetAddress *	address,
		int	port,
		const decaf::net::InetAddress *	localAddress,
		int	localPort
	)

decaf::internal::net::ssl::openssl::OpenSSLSocket::OpenSSLSocket	(	OpenSSLParameters *	parameters,
		const std::string &	host,
		int	port
	)

decaf::internal::net::ssl::openssl::OpenSSLSocket::OpenSSLSocket	(	OpenSSLParameters *	parameters,
		const std::string &	host,
		int	port,
		const decaf::net::InetAddress *	localAddress,
		int	localPort
	)

virtual decaf::internal::net::ssl::openssl::OpenSSLSocket::~OpenSSLSocket ( )

virtual

Member Function Documentation

int decaf::internal::net::ssl::openssl::OpenSSLSocket::available ( )

Gets the number of bytes in the Socket buffer that can be read without blocking.

Returns: the number of bytes that can be read from the Socket without blocking.

Exceptions

IOException if an I/O error occurs while performing this operation.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::close ( )

virtual

Closes the Socket.Once closed a Socket cannot be connected or otherwise operated upon, a new Socket instance must be created.

Exceptions

IOException if an I/O error occurs while closing the Socket.

Reimplemented from decaf::net::Socket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::connect	(	const std::string &	host,
		int	port,
		int	timeout
	)

virtual

Connects to the specified destination, with a specified timeout value.If a connection to the remote host is not established within the specified timeout interval than an SocketTimeoutException is thrown. A timeout value of zero is treated as an inifinite timeout.

Parameters

host	The host name or IP address of the remote host to connect to.
port	The port on the remote host to connect to.
timeout	The number of Milliseconds to wait before treating the connection as failed.

Exceptions

IOException	Thrown if a failure occurred in the connect.
SocketTimeoutException	if the timeout for connection is exceeded.
IllegalArguementException	if the timeout value is negative or the endpoint is invalid.

Reimplemented from decaf::net::Socket.

virtual std::vector<std::string> decaf::internal::net::ssl::openssl::OpenSSLSocket::getEnabledCipherSuites ( ) const

virtual

Returns a vector containing the names of all the currently enabled Cipher Suites for this SSL Socket.

Returns: vector of the names of all enabled Cipher Suites.

Implements decaf::net::ssl::SSLSocket.

virtual std::vector<std::string> decaf::internal::net::ssl::openssl::OpenSSLSocket::getEnabledProtocols ( ) const

virtual

Returns a vector containing the names of all the currently enabled Protocols for this SSL Socket.

Returns: vector of the names of all enabled Protocols.

Implements decaf::net::ssl::SSLSocket.

virtual decaf::io::InputStream* decaf::internal::net::ssl::openssl::OpenSSLSocket::getInputStream ( )

virtual

Gets the InputStream for this socket if its connected.The pointer returned is the property of the associated Socket and should not be deleted by the caller.When the returned InputStream is performing a blocking operation and the underlying connection is closed or otherwise broker the read calls will normally throw an exception to indicate the failure.Closing the InputStream will also close the underlying Socket.

Returns: The InputStream for this socket.

Exceptions

IOException if an error occurs during creation of the InputStream, also if the Socket is not connected or the input has been shutdown previously.

Reimplemented from decaf::net::Socket.

virtual bool decaf::internal::net::ssl::openssl::OpenSSLSocket::getNeedClientAuth ( ) const

virtual

Returns if this socket is configured to require client authentication, true means that is has and that clients that failed to authenticate will be rejected.This option is only useful when the socket is operating in server mode.

Returns: true if client authentication is required.

Implements decaf::net::ssl::SSLSocket.

virtual decaf::io::OutputStream* decaf::internal::net::ssl::openssl::OpenSSLSocket::getOutputStream ( )

virtual

Gets the OutputStream for this socket if it is connected.The pointer returned is the property of the Socket instance and should not be deleted by the caller.Closing the returned Socket will also close the underlying Socket.

Returns: the OutputStream for this socket.

Exceptions

IOException if an error occurs during the creation of this OutputStream, or if the Socket is closed or the output has been shutdown previously.

Reimplemented from decaf::net::Socket.

virtual std::vector<std::string> decaf::internal::net::ssl::openssl::OpenSSLSocket::getSupportedCipherSuites ( ) const

virtual

Gets a vector containing the names of all the cipher suites that are supported by this SSLSocket.Normally not all of these cipher suites will be enabled on the Socket.

Returns: a vector containing the names of all the supported cipher suites.

Implements decaf::net::ssl::SSLSocket.

virtual std::vector<std::string> decaf::internal::net::ssl::openssl::OpenSSLSocket::getSupportedProtocols ( ) const

virtual

Gets a vector containing the names of all the protocols that could be enabled for this SSLSocket instance.

Returns: a vector containing the names of all the supported protocols.

Implements decaf::net::ssl::SSLSocket.

virtual bool decaf::internal::net::ssl::openssl::OpenSSLSocket::getUseClientMode ( ) const

virtual

Gets whether this Socket is in Client or Server mode, true indicates that the mode is set to Client.

Returns: true if the Socket is in Client mode, false otherwise.

Implements decaf::net::ssl::SSLSocket.

virtual bool decaf::internal::net::ssl::openssl::OpenSSLSocket::getWantClientAuth ( ) const

virtual

Returns if this socket is configured to request client authentication, true means that is has and that clients that failed to authenticate will be rejected but that cleints that do not send a certificate are not considered to have failed authentication.This option is only useful when the socket is operating in server mode.

Returns: true if client authentication is required.

Implements decaf::net::ssl::SSLSocket.

int decaf::internal::net::ssl::openssl::OpenSSLSocket::read	(	unsigned char *	buffer,
		int	size,
		int	offset,
		int	length
	)

Reads the requested data from the Socket and write it into the passed in buffer.

Parameters

buffer	The buffer to read into
size	The size of the specified buffer
offset	The offset into the buffer where reading should start filling.
length	The number of bytes past offset to fill with data.

Returns: the actual number of bytes read or -1 if at EOF.

Exceptions

IOException	if an I/O error occurs during the read.
NullPointerException	if buffer is Null.
IndexOutOfBoundsException	if offset + length is greater than buffer size.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::sendUrgentData ( int data )

virtual

Sends on byte of urgent data to the Socket.

Parameters

data	The value to write as urgent data, only the lower eight bits are sent.

Exceptions

IOException if an I/O error occurs while performing this operation.

Reimplemented from decaf::net::Socket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::setEnabledCipherSuites ( const std::vector< std::string > & suites )

virtual

Sets the Cipher Suites that are to be enabled on the SSL Socket connection.Each of the named Cipher Suites must appear in the list of supported cipher suites for this connection or an exception will be thrown.

Parameters

suites An Vector of names for all the Cipher Suites that are to be enabled.

Exceptions

IllegalArgumentException if the vector is empty or one of the names is invalid.

Implements decaf::net::ssl::SSLSocket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::setEnabledProtocols ( const std::vector< std::string > & protocols )

virtual

Sets the Protocols that are to be enabled on the SSL Socket connection.Each of the named Protocols must appear in the list of supported protocols suites for this connection or an exception will be thrown.

Parameters

protocols An Vector of names for all the Protocols that are to be enabled.

Exceptions

IllegalArgumentException if the vector is empty or one of the names is invalid.

Implements decaf::net::ssl::SSLSocket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::setNeedClientAuth ( bool value )

virtual

Sets the Socket to require that a client authenticate itself by sending a valid Certificate that is trusted by this Server mode socket.This option only applies to sockets in the Server mode.If the option is enabled an the client does not provide a certificate then the handshake is considered failed and the connection is refused. Calling this method resets any previous value for this option as well as clears any value set in the setWantClientAuth method.

Parameters

value The value indicating if a client is required to authenticate itself or not.

Implements decaf::net::ssl::SSLSocket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::setOOBInline ( bool value )

virtual

Sets the value of the OOBINLINE for this socket, by default this option is disabled.If enabled the urgent data is read inline on the Socket's InputStream, no notification is give.

Returns: true if OOBINLINE is enabled, false otherwise.

Exceptions

SocketException if an error is encountered while performing this operation.

Reimplemented from decaf::net::Socket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::setUseClientMode ( bool value )

virtual

Determines the mode that the socket uses when a handshake is initiated, client or server.This method must be called prior to any handshake attempts on this Socket, once a handshake has be initiated this socket remains the the set mode; client or server, for the life of this object.

Parameters

value The mode setting, true for client or false for server.

Exceptions

IllegalArguementException if the handshake process has begun and mode is lcoked.

Implements decaf::net::ssl::SSLSocket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::setWantClientAuth ( bool value )

virtual

Sets the Socket to request that a client authenticate itself by sending a valid Certificate that is trusted by this Server mode socket.This option only applies to sockets in the Server mode.If the option is enabled an the client does not provide a certificate then the handshake is considered to have succeeded, if it does send a certificate and that certificate is invalid the the handshake will fail. Calling this method resets any previous value for this option as well as clears any value set in the setNeedClientAuth method.

Parameters

value The value indicating if a client is requested to authenticate itself or not.

Implements decaf::net::ssl::SSLSocket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::shutdownInput ( )

virtual

Shuts down the InputStream for this socket essentially marking it as EOF.The stream returns EOF for any calls to read after this method has been called.

Exceptions

IOException if an I/O error occurs while performing this operation.

Reimplemented from decaf::net::Socket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::shutdownOutput ( )

virtual

Shuts down the OutputStream for this socket, any data already written to the socket will be sent, any further calls to OuputStream::write will throw an IOException.

Exceptions

IOException if an I/O error occurs while performing this operation.

Reimplemented from decaf::net::Socket.

virtual void decaf::internal::net::ssl::openssl::OpenSSLSocket::startHandshake ( )

virtual

Initiates a handshake for this SSL Connection, this can be necessary for several reasons such as using new encryption keys, or starting a new session.When called for the first time after the socket connects this method blocks until the handshake is completed. The provider is not require to support multiple handshakes and can throw an IOException to indicate an error.

Exceptions

IOException if an I/O error occurs while performing the Handshake

Implements decaf::net::ssl::SSLSocket.

void decaf::internal::net::ssl::openssl::OpenSSLSocket::write	(	const unsigned char *	buffer,
		int	size,
		int	offset,
		int	length
	)

Writes the specified data in the passed in buffer to the Socket.

Parameters

buffer	The buffer to write to the socket.
size	The size of the specified buffer.
offset	The offset into the buffer where the data to write starts at.
length	The number of bytes past offset to write.

Exceptions

IOException	if an I/O error occurs during the write.
NullPointerException	if buffer is Null.
IndexOutOfBoundsException	if offset + length is greater than buffer size.

The documentation for this class was generated from the following file:

src/main/decaf/internal/net/ssl/openssl/OpenSSLSocket.h

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation