mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-09 01:07:16 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
273 lines
10 KiB
C++
273 lines
10 KiB
C++
//
|
|
// SecureStreamSocket.h
|
|
//
|
|
// Library: NetSSL_OpenSSL
|
|
// Package: SSLSockets
|
|
// Module: SecureStreamSocket
|
|
//
|
|
// Definition of the SecureStreamSocket class.
|
|
//
|
|
// Copyright (c) 2006-2010, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef NetSSL_SecureStreamSocket_INCLUDED
|
|
#define NetSSL_SecureStreamSocket_INCLUDED
|
|
|
|
|
|
#include "Poco/Net/NetSSL.h"
|
|
#include "Poco/Net/StreamSocket.h"
|
|
#include "Poco/Net/Context.h"
|
|
#include "Poco/Net/Session.h"
|
|
#include "Poco/Net/X509Certificate.h"
|
|
|
|
|
|
namespace Poco {
|
|
namespace Net {
|
|
|
|
|
|
class NetSSL_API SecureStreamSocket: public StreamSocket
|
|
/// A subclass of StreamSocket for secure SSL sockets.
|
|
///
|
|
/// A few notes about nonblocking IO:
|
|
/// sendBytes() and receiveBytes() can return a
|
|
/// negative value when using a nonblocking socket, which means
|
|
/// a SSL handshake is currently in progress and more data
|
|
/// needs to be read or written for the handshake to continue.
|
|
/// If sendBytes() or receiveBytes() return ERR_SSL_WANT_WRITE,
|
|
/// sendBytes() must be called as soon as possible (usually, after
|
|
/// select() indicates that data can be written). Likewise, if
|
|
/// ERR_SSL_WANT_READ is returned, receiveBytes() must be called
|
|
/// as soon as data is available for reading (indicated by select()).
|
|
///
|
|
/// The SSL handshake is delayed until the first sendBytes() or
|
|
/// receiveBytes() operation is performed on the socket. No automatic
|
|
/// post connection check (checking the peer certificate for a valid
|
|
/// hostname) is performed when using nonblocking I/O. To manually
|
|
/// perform peer certificate validation, call verifyPeerCertificate()
|
|
/// after the SSL handshake has been completed.
|
|
{
|
|
public:
|
|
enum
|
|
{
|
|
ERR_SSL_WANT_READ = -1,
|
|
ERR_SSL_WANT_WRITE = -2
|
|
};
|
|
|
|
SecureStreamSocket();
|
|
/// Creates an unconnected secure stream socket
|
|
/// using the default client SSL context.
|
|
///
|
|
/// Before sending or receiving data, the socket
|
|
/// must be connected with a call to connect().
|
|
|
|
explicit SecureStreamSocket(Context::Ptr pContext);
|
|
/// Creates an unconnected secure stream socket
|
|
/// using the given SSL context.
|
|
///
|
|
/// Before sending or receiving data, the socket
|
|
/// must be connected with a call to connect().
|
|
|
|
SecureStreamSocket(Context::Ptr pContext, Session::Ptr pSession);
|
|
/// Creates an unconnected secure stream socket
|
|
/// using the given SSL context.
|
|
///
|
|
/// Before sending or receiving data, the socket
|
|
/// must be connected with a call to connect().
|
|
///
|
|
/// The given Session is reused, if possible (client session
|
|
/// caching is enabled for the given Context, and the server
|
|
/// agrees to reuse the session).
|
|
|
|
explicit SecureStreamSocket(const SocketAddress& address);
|
|
/// Creates a secure stream socket using the default
|
|
/// client SSL context and connects it to
|
|
/// the socket specified by address.
|
|
|
|
SecureStreamSocket(const SocketAddress& address, Context::Ptr pContext);
|
|
/// Creates a secure stream socket using the given
|
|
/// client SSL context and connects it to
|
|
/// the socket specified by address.
|
|
|
|
SecureStreamSocket(const SocketAddress& address, Context::Ptr pContext, Session::Ptr pSession);
|
|
/// Creates a secure stream socket using the given
|
|
/// client SSL context and connects it to
|
|
/// the socket specified by address.
|
|
///
|
|
/// The given Session is reused, if possible (client session
|
|
/// caching is enabled for the given Context, and the server
|
|
/// agrees to reuse the session).
|
|
|
|
SecureStreamSocket(const SocketAddress& address, const std::string& hostName);
|
|
/// Creates a secure stream socket using the default
|
|
/// client SSL context and connects it to
|
|
/// the socket specified by address.
|
|
///
|
|
/// The given host name is used for certificate verification.
|
|
|
|
SecureStreamSocket(const SocketAddress& address, const std::string& hostName, Context::Ptr pContext);
|
|
/// Creates a secure stream socket using the given
|
|
/// client SSL context and connects it to
|
|
/// the socket specified by address.
|
|
///
|
|
/// The given host name is used for certificate verification.
|
|
|
|
SecureStreamSocket(const SocketAddress& address, const std::string& hostName, Context::Ptr pContext, Session::Ptr pSession);
|
|
/// Creates a secure stream socket using the given
|
|
/// client SSL context and connects it to
|
|
/// the socket specified by address.
|
|
///
|
|
/// The given host name is used for certificate verification.
|
|
///
|
|
/// The given Session is reused, if possible (client session
|
|
/// caching is enabled for the given Context, and the server
|
|
/// agrees to reuse the session).
|
|
|
|
SecureStreamSocket(const Socket& socket);
|
|
/// Creates the SecureStreamSocket with the SocketImpl
|
|
/// from another socket. The SocketImpl must be
|
|
/// a SecureStreamSocketImpl, otherwise an InvalidArgumentException
|
|
/// will be thrown.
|
|
|
|
virtual ~SecureStreamSocket();
|
|
/// Destroys the StreamSocket.
|
|
|
|
SecureStreamSocket& operator = (const Socket& socket);
|
|
/// Assignment operator.
|
|
///
|
|
/// Releases the socket's SocketImpl and
|
|
/// attaches the SocketImpl from the other socket and
|
|
/// increments the reference count of the SocketImpl.
|
|
|
|
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.
|
|
|
|
void setPeerHostName(const std::string& hostName);
|
|
/// Sets the peer's host name used for certificate validation.
|
|
|
|
const std::string& getPeerHostName() const;
|
|
/// Returns the peer's host name used for certificate validation.
|
|
|
|
static SecureStreamSocket attach(const StreamSocket& streamSocket);
|
|
/// Creates a SecureStreamSocket over an existing socket
|
|
/// connection. The given StreamSocket must be connected.
|
|
/// A SSL handshake will be performed.
|
|
|
|
static SecureStreamSocket attach(const StreamSocket& streamSocket, Context::Ptr pContext);
|
|
/// Creates a SecureStreamSocket over an existing socket
|
|
/// connection. The given StreamSocket must be connected.
|
|
/// A SSL handshake will be performed.
|
|
|
|
static SecureStreamSocket attach(const StreamSocket& streamSocket, Context::Ptr pContext, Session::Ptr pSession);
|
|
/// Creates a SecureStreamSocket over an existing socket
|
|
/// connection. The given StreamSocket must be connected.
|
|
/// A SSL handshake will be performed.
|
|
///
|
|
/// The given Session is reused, if possible (client session
|
|
/// caching is enabled for the given Context, and the server
|
|
/// agrees to reuse the session).
|
|
|
|
static SecureStreamSocket attach(const StreamSocket& streamSocket, const std::string& peerHostName);
|
|
/// Creates a SecureStreamSocket over an existing socket
|
|
/// connection. The given StreamSocket must be connected.
|
|
/// A SSL handshake will be performed.
|
|
|
|
static SecureStreamSocket attach(const StreamSocket& streamSocket, const std::string& peerHostName, Context::Ptr pContext);
|
|
/// Creates a SecureStreamSocket over an existing socket
|
|
/// connection. The given StreamSocket must be connected.
|
|
/// A SSL handshake will be performed.
|
|
|
|
static SecureStreamSocket attach(const StreamSocket& streamSocket, const std::string& peerHostName, Context::Ptr pContext, Session::Ptr pSession);
|
|
/// Creates a SecureStreamSocket over an existing socket
|
|
/// connection. The given StreamSocket must be connected.
|
|
/// A SSL handshake will be performed.
|
|
///
|
|
/// The given Session is reused, if possible (client session
|
|
/// caching is enabled for the given Context, and the server
|
|
/// agrees to reuse the session).
|
|
|
|
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 host name set with setPeerHostName(), or the peer's
|
|
/// IP address string if no peer host name has been set.
|
|
///
|
|
/// Should only be used for non-blocking connections, after the
|
|
/// initial SSL handshake has been performed (see completeHandshake()).
|
|
|
|
void verifyPeerCertificate(const std::string& hostName);
|
|
/// Performs post-connect (or post-accept) peer certificate validation
|
|
/// using the given host name.
|
|
///
|
|
/// Should only be used for non-blocking connections, after the
|
|
/// initial SSL handshake has been performed (see completeHandshake()).
|
|
|
|
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.
|
|
///
|
|
/// Returns 1 if the handshake was successful, ERR_SSL_WANT_READ or
|
|
/// ERR_SSL_WANT_WRITE if more data is required to complete the
|
|
/// handshake. In this case, completeHandshake() should be called
|
|
/// again, after the necessary condition has been met.
|
|
|
|
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.
|
|
|
|
void abort();
|
|
/// Aborts the SSL connection by closing the underlying
|
|
/// TCP connection. No orderly SSL shutdown is performed.
|
|
|
|
protected:
|
|
SecureStreamSocket(SocketImpl* pImpl);
|
|
|
|
friend class SecureServerSocket;
|
|
};
|
|
|
|
|
|
} } // namespace Poco::Net
|
|
|
|
|
|
#endif // NetSSL_SecureStreamSocket_INCLUDED
|