mirror of
https://github.com/Telecominfraproject/wlan-cloud-lib-poco.git
synced 2025-11-03 20:18:01 +00:00
317 lines
8.9 KiB
C++
317 lines
8.9 KiB
C++
//
|
|
// SecureStreamSocketImpl.h
|
|
//
|
|
// Library: NetSSL_OpenSSL
|
|
// Package: SSLSockets
|
|
// Module: SecureStreamSocketImpl
|
|
//
|
|
// Definition of the SecureStreamSocketImpl class.
|
|
//
|
|
// Copyright (c) 2006-2010, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef NetSSL_SecureStreamSocketImpl_INCLUDED
|
|
#define NetSSL_SecureStreamSocketImpl_INCLUDED
|
|
|
|
|
|
#include "Poco/Net/NetSSL.h"
|
|
#include "Poco/Net/SecureSocketImpl.h"
|
|
#include "Poco/Net/StreamSocketImpl.h"
|
|
#include "Poco/Net/Context.h"
|
|
#include "Poco/Net/X509Certificate.h"
|
|
|
|
|
|
namespace Poco {
|
|
namespace Net {
|
|
|
|
|
|
class NetSSL_API SecureStreamSocketImpl: public StreamSocketImpl
|
|
/// This class implements a SSL stream socket.
|
|
{
|
|
public:
|
|
SecureStreamSocketImpl(Context::Ptr pContext);
|
|
/// Creates the SecureStreamSocketImpl.
|
|
|
|
SecureStreamSocketImpl(StreamSocketImpl* pStreamSocket, Context::Ptr pContext);
|
|
/// Creates the SecureStreamSocketImpl.
|
|
|
|
SocketImpl* acceptConnection(SocketAddress& clientAddr) override;
|
|
/// Not supported by a SecureStreamSocket.
|
|
///
|
|
/// Throws a Poco::InvalidAccessException.
|
|
|
|
void connect(const SocketAddress& address) override;
|
|
/// Initializes the socket and establishes a connection to
|
|
/// the TCP server at the given address.
|
|
///
|
|
/// Can also be used for UDP sockets. In this case, no
|
|
/// connection is established. Instead, incoming and outgoing
|
|
/// packets are restricted to the specified address.
|
|
|
|
void connect(const SocketAddress& address, const Poco::Timespan& timeout) override;
|
|
/// Initializes the socket, sets the socket timeout and
|
|
/// establishes a connection to the TCP server at the given address.
|
|
|
|
void connectNB(const SocketAddress& address) override;
|
|
/// Initializes the socket and establishes a connection to
|
|
/// the TCP server at the given address. Prior to opening the
|
|
/// connection the socket is set to nonblocking mode.
|
|
|
|
void bind(const SocketAddress& address, bool reuseAddress = false) override;
|
|
/// Not supported by a SecureStreamSocket.
|
|
///
|
|
/// Throws a Poco::InvalidAccessException.
|
|
|
|
void listen(int backlog = 64) override;
|
|
/// Not supported by a SecureStreamSocket.
|
|
///
|
|
/// Throws a Poco::InvalidAccessException.
|
|
|
|
void close() override;
|
|
/// Close the socket.
|
|
|
|
int sendBytes(const void* buffer, int length, int flags = 0) override;
|
|
/// Sends the contents of the given buffer through
|
|
/// the socket. Any specified flags are ignored.
|
|
///
|
|
/// Returns the number of bytes sent, which may be
|
|
/// less than the number of bytes specified.
|
|
|
|
int receiveBytes(void* buffer, int length, int flags = 0) override;
|
|
/// Receives data from the socket and stores it
|
|
/// in buffer. Up to length bytes are received.
|
|
///
|
|
/// Returns the number of bytes received.
|
|
|
|
int sendTo(const void* buffer, int length, const SocketAddress& address, int flags = 0) override;
|
|
/// Not supported by a SecureStreamSocket.
|
|
///
|
|
/// Throws a Poco::InvalidAccessException.
|
|
|
|
int receiveFrom(void* buffer, int length, SocketAddress& address, int flags = 0) override;
|
|
/// Not supported by a SecureStreamSocket.
|
|
///
|
|
/// Throws a Poco::InvalidAccessException.
|
|
|
|
void sendUrgent(unsigned char data) override;
|
|
/// Not supported by a SecureStreamSocket.
|
|
///
|
|
/// Throws a Poco::InvalidAccessException.
|
|
|
|
int available() override;
|
|
/// Returns the number of bytes available that can be read
|
|
/// without causing the socket to block.
|
|
///
|
|
/// For an SSL connection, returns the number of bytes that
|
|
/// can be read from the currently buffered SSL record,
|
|
/// before a new record is read from the underlying socket.
|
|
|
|
void shutdownReceive() override;
|
|
/// Shuts down the receiving part of the socket connection.
|
|
///
|
|
/// Since SSL does not support a half shutdown, this does
|
|
/// nothing.
|
|
|
|
int shutdownSend() override;
|
|
/// Shuts down the receiving part of the socket connection.
|
|
///
|
|
/// Sends a close notify shutdown alert message to the peer
|
|
/// (if not sent yet), then calls shutdownSend() on the
|
|
/// underlying socket.
|
|
///
|
|
/// Returns 0 if the message has been sent.
|
|
/// Returns 1 if the message has been sent, but the peer
|
|
/// has not yet sent its shutdown alert message.
|
|
/// In case of a non-blocking socket, returns < 0 if the
|
|
/// message cannot be sent at the moment. In this case,
|
|
/// the call to shutdownSend() must be retried after the
|
|
/// underlying socket becomes writable again.
|
|
|
|
int shutdown() override;
|
|
/// Shuts down the SSL connection.
|
|
///
|
|
/// Same as shutdownSend().
|
|
|
|
void abort();
|
|
/// Aborts the connection by closing the underlying
|
|
/// TCP connection. No orderly SSL shutdown is performed.
|
|
|
|
bool secure() const override;
|
|
/// Returns true iff the socket's connection is secure
|
|
/// (using SSL or TLS).
|
|
|
|
void setPeerHostName(const std::string& hostName);
|
|
/// Sets the peer host name for certificate validation purposes.
|
|
|
|
const std::string& getPeerHostName() const;
|
|
/// Returns the peer host name.
|
|
|
|
bool havePeerCertificate() const;
|
|
/// Returns true iff the peer has presented a
|
|
/// certificate.
|
|
|
|
X509Certificate peerCertificate() const;
|
|
/// Returns the peer's X509 certificate.
|
|
///
|
|
/// Throws a SSLException if the peer did not
|
|
/// present a certificate.
|
|
|
|
Context::Ptr context() const;
|
|
/// Returns the SSL context used by this socket.
|
|
|
|
void setLazyHandshake(bool flag = true);
|
|
/// Enable lazy SSL handshake. If enabled, the SSL handshake
|
|
/// will be performed the first time date is sent or
|
|
/// received over the connection.
|
|
|
|
bool getLazyHandshake() const;
|
|
/// Returns true if setLazyHandshake(true) has been called.
|
|
|
|
void verifyPeerCertificate();
|
|
/// Performs post-connect (or post-accept) peer certificate validation,
|
|
/// using the peer's IP address as host name.
|
|
|
|
void verifyPeerCertificate(const std::string& hostName);
|
|
/// Performs post-connect (or post-accept) peer certificate validation
|
|
/// using the given host name.
|
|
|
|
int completeHandshake();
|
|
/// Completes the SSL handshake.
|
|
///
|
|
/// If the SSL connection was the result of an accept(),
|
|
/// the server-side handshake is completed, otherwise
|
|
/// a client-side handshake is performed.
|
|
|
|
Session::Ptr currentSession();
|
|
/// Returns the SSL session of the current connection,
|
|
/// for reuse in a future connection (if session caching
|
|
/// is enabled).
|
|
///
|
|
/// If no connection is established, returns null.
|
|
|
|
void useSession(Session::Ptr pSession);
|
|
/// Sets the SSL session to use for the next
|
|
/// connection. Setting a previously saved Session
|
|
/// object is necessary to enable session caching.
|
|
///
|
|
/// To remove the currently set session, a null pointer
|
|
/// can be given.
|
|
///
|
|
/// Must be called before connect() to be effective.
|
|
|
|
bool sessionWasReused();
|
|
/// Returns true iff a reused session was negotiated during
|
|
/// the handshake.
|
|
|
|
// SocketImpl
|
|
virtual void setBlocking(bool flag) override;
|
|
virtual bool getBlocking() const override;
|
|
virtual void setRawOption(int level, int option, const void* value, poco_socklen_t length) override;
|
|
virtual void getRawOption(int level, int option, void* value, poco_socklen_t& length) override;
|
|
|
|
protected:
|
|
void acceptSSL();
|
|
/// Performs a SSL server-side handshake.
|
|
|
|
void connectSSL();
|
|
/// Performs a SSL client-side handshake on an already connected TCP socket.
|
|
|
|
~SecureStreamSocketImpl() override;
|
|
/// Destroys the SecureStreamSocketImpl.
|
|
|
|
static int lastError();
|
|
static void error();
|
|
static void error(const std::string& arg);
|
|
static void error(int code);
|
|
static void error(int code, const std::string& arg);
|
|
|
|
private:
|
|
SecureStreamSocketImpl(const SecureStreamSocketImpl&);
|
|
SecureStreamSocketImpl& operator = (const SecureStreamSocketImpl&);
|
|
|
|
SecureSocketImpl _impl;
|
|
bool _lazyHandshake;
|
|
|
|
friend class SecureSocketImpl;
|
|
friend class SecureStreamSocket;
|
|
};
|
|
|
|
|
|
//
|
|
// inlines
|
|
//
|
|
inline const std::string& SecureStreamSocketImpl::getPeerHostName() const
|
|
{
|
|
return _impl.getPeerHostName();
|
|
}
|
|
|
|
|
|
inline void SecureStreamSocketImpl::setPeerHostName(const std::string& peerHostName)
|
|
{
|
|
_impl.setPeerHostName(peerHostName);
|
|
}
|
|
|
|
|
|
inline Context::Ptr SecureStreamSocketImpl::context() const
|
|
{
|
|
return _impl.context();
|
|
}
|
|
|
|
|
|
inline Session::Ptr SecureStreamSocketImpl::currentSession()
|
|
{
|
|
return _impl.currentSession();
|
|
}
|
|
|
|
|
|
inline void SecureStreamSocketImpl::useSession(Session::Ptr pSession)
|
|
{
|
|
_impl.useSession(pSession);
|
|
}
|
|
|
|
|
|
inline bool SecureStreamSocketImpl::sessionWasReused()
|
|
{
|
|
return _impl.sessionWasReused();
|
|
}
|
|
|
|
|
|
inline int SecureStreamSocketImpl::lastError()
|
|
{
|
|
return SocketImpl::lastError();
|
|
}
|
|
|
|
|
|
inline void SecureStreamSocketImpl::error()
|
|
{
|
|
return SocketImpl::error();
|
|
}
|
|
|
|
|
|
inline void SecureStreamSocketImpl::error(const std::string& arg)
|
|
{
|
|
return SocketImpl::error(arg);
|
|
}
|
|
|
|
|
|
inline void SecureStreamSocketImpl::error(int code)
|
|
{
|
|
return SocketImpl::error(code);
|
|
}
|
|
|
|
|
|
inline void SecureStreamSocketImpl::error(int code, const std::string& arg)
|
|
{
|
|
return SocketImpl::error(code, arg);
|
|
}
|
|
|
|
|
|
} } // namespace Poco::Net
|
|
|
|
|
|
#endif // NetSSL_SecureStreamSocketImpl_INCLUDED
|