Merge branch 'master' of http://scm.trinitydesktop.org/scm/git/tdelibs

1 files changed, 301 insertions, 0 deletions

diff --git a/tdeio/kssl/kssl.h b/tdeio/kssl/kssl.h
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+/* This file is part of the KDE project
+ *
+ * Copyright (C) 2000-2003 George Staikos <staikos@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef _KSSL_H
+#define _KSSL_H
+
+#include <ksslsettings.h>
+#include <ksslpeerinfo.h>
+#include <ksslconnectioninfo.h>
+
+class KSSLPrivate;
+class KSSLCertificate;
+class KSSLPKCS12;
+class KSSLSession;
+
+/**
+ * KDE SSL Wrapper Class
+ *
+ * This class implements KDE's SSL support by wrapping OpenSSL.
+ *
+ * @author George Staikos <staikos@kde.org>
+ * @see KExtendedSocket, TCPSlaveBase
+ * @short KDE SSL Class
+ */
+class TDEIO_EXPORT KSSL {
+public:
+	/**
+	 *  Construct a KSSL object
+	 *
+	 *  @param init Set this to false if you do not want this class to
+	 *         immediately initialize OpenSSL.
+	 */
+	KSSL(bool init = true);
+
+	/**
+	 *  Destroy this KSSL object
+	 *
+	 *  Does not close any socket.
+	 */
+	~KSSL();
+
+	/**
+	 *  Determine if SSL is available and works.
+	 *
+	 *  @return true is SSL is available and usable
+	 */
+	static bool doesSSLWork();
+
+	/**
+	 *  Initialize OpenSSL.
+	 *
+	 *  @return true on success
+	 *
+	 *  This will do nothing if it is already initialized.
+	 *  @see reInitialize
+	 */
+	bool initialize();
+
+	/**
+	 *  This is used for applicationss which do STARTTLS or something
+	 *  similar. It creates a TLS method regardless of the user's settings.
+	 *
+	 *  @return true if TLS is successfully initialized
+	 */
+	bool TLSInit();
+
+	/**
+	 *  Set an SSL session to use.  This deep copies the session so it
+	 *  doesn't have to remain valid.  You need to call it after calling
+	 *  initialize or reInitialize.  The ID is cleared in close().
+	 *
+	 *  @param session A valid session to reuse.  If 0L, it will clear the
+	 *                 session ID in memory.
+	 *
+	 *  @return true on success
+	 */
+	bool setSession(const KSSLSession *session);
+
+	/**
+	 *  Close the SSL session.
+	 */
+	void close();
+
+	/**
+	 *  Reinitialize OpenSSL.
+	 *
+	 *  @return true on success
+	 *
+	 *  This is not generally needed unless you are reusing the KSSL object
+	 *  for a new session.
+	 *  @see initialize
+	 */
+	bool reInitialize();
+
+	/**
+	 *  Trigger a reread of KSSL configuration and reInitialize() KSSL.
+	 *
+	 *  @return true on successful reinitalizations
+	 *
+	 *  If you setAutoReconfig() to false, then this will simply
+	 * reInitialize() and not read in the new configuration.
+	 *  @see setAutoReconfig
+	 */
+	bool reconfig();
+
+	/**
+	 *  Enable or disable automatic reconfiguration on initialize().
+	 *
+	 *  @param ar Set to false in order to disable auto-reloading of the
+	 *         KSSL configuration during initialize().
+	 *
+	 *  By default, KSSL will read its configuration on initialize().  You
+	 *  might want to disable this for performance reasons.
+	 */
+	void setAutoReconfig(bool ar);
+
+	/**
+	 *  This will reseed the pseudo-random number generator with the EGD
+	 *  (entropy gathering daemon) if the EGD is configured and enabled.
+	 *  You don't need to call this yourself normally.
+	 *
+	 *  @return 0 on success
+	 */
+	int seedWithEGD();
+
+	/**
+	 *  Set a new KSSLSettings instance as the settings. This deletes the
+	 *  current instance of KSSLSettings.
+	 *
+	 *  @param settings A new, valid settings object.
+	 *
+	 *  @return true on success
+	 */
+	bool setSettings(KSSLSettings *settings);
+
+	/**
+	 *  One is built by the constructor, so this will only return a NULL
+	 *  pointer if you set one with setSettings().
+	 *
+	 *  @return the current settings instance
+	 */
+	KSSLSettings * settings() { return m_cfg; }
+
+	/**
+	 *  Use this to set the certificate to send to the server.
+	 *  Do NOT delete the KSSLPKCS12 object until you are done with the
+	 *  session. It is not defined when KSSL will be done with this.
+	 *
+	 *  @param pkcs the valid PKCS#12 object to send.
+	 *
+	 *  @return true if the certificate was properly set to the session.
+	 */
+	bool setClientCertificate(KSSLPKCS12 *pkcs);
+
+	/**
+	 *  Set the status of the connection with respect to proxies.
+	 *
+	 *  @param active is not used
+	 *  @param realIP is the IP address of the host you're connecting to
+	 *  @param realPort is the port of the host you're connecting to
+	 *  @param proxy is the IP or hostname of the proxy server
+	 *  @deprecated
+	 */
+	void setProxyUse(bool active, TQString realIP = TQString::null, int realPort = 0, TQString proxy = TQString::null) KDE_DEPRECATED;
+
+	/**
+	 *  Set the peer hostname to be used for certificate verification.
+	 *
+	 *  @param realHost the remote hostname as the user believes to be
+	 *         connecting to
+	 */
+	void setPeerHost(TQString realHost = TQString::null);
+
+	/**
+	 *  Connect the SSL session to the remote host using the provided
+	 *  socket descriptor.
+	 *
+	 *  @param sock the socket descriptor to connect with.  This must be
+	 *         an already connected socket.
+	 *  @return 1 on success, 0 on error setting the file descriptor,
+	 *          -1 on other error.
+	 */
+	int connect(int sock);
+
+	/**
+	 *  Connect the SSL session to the remote host using the provided
+	 *  socket descriptor.  This is for use with an SSL server application.
+	 *
+	 *  @param sock the socket descriptor to connect with.  This must be
+	 *         an already connected socket.
+	 *  @return 1 on success, 0 on error setting the file descriptor,
+	 *          -1 on other error.
+	 */
+	int accept(int sock);
+
+	/**
+	 *  Read data from the remote host via SSL.
+	 *
+	 *  @param buf the buffer to read the data into.
+	 *  @param len the maximum length of data to read.
+	 *  @return the number of bytes read, 0 on an exception, or -1 on error.
+	 */
+	int read(void *buf, int len);
+
+	/**
+	 *  Peek at available data from the remote host via SSL.
+	 *
+	 *  @param buf the buffer to read the data into.
+	 *  @param len the maximum length of data to read.
+	 *  @return the number of bytes read, 0 on an exception, or -1 on error.
+	 */
+	int peek(void *buf, int len);
+
+	/**
+	 *  Write data to the remote host via SSL.
+	 *
+	 *  @param buf the buffer to read the data from.
+	 *  @param len the length of data to send from the buffer.
+	 *  @return the number of bytes written, 0 on an exception,
+	 *          or -1 on error.
+	 */
+	int write(const void *buf, int len);
+
+	/**
+	 *  Determine if data is waiting to be read.
+	 *
+	 *  @return -1 on error, 0 if no data is waiting, > 0 if data is waiting.
+	 */
+	int pending();
+
+	/**
+	 *  Obtain a reference to the connection information.
+	 *
+	 *  @return a reference to the connection information,
+	 *          valid after connected
+	 *  @see KSSLConnectionInfo
+	 */
+	KSSLConnectionInfo& connectionInfo();
+
+	/**
+	 *  Obtain a reference to the information about the peer.
+	 *
+	 *  @return a reference to the peer information,
+	 *          valid after connected
+	 *  @see KSSLPeerInfo
+	 */
+	KSSLPeerInfo& peerInfo();
+
+	/**
+	 *  Obtain a pointer to the session information.
+	 *
+	 *  @return a pointer to the session information.
+	 *          This is valid after connected, while connected.
+	 *          It is deleted by the KSSL object which returns it.
+	 *          May return 0L if no valid session exists.
+	 *  @see KSSLSession
+	 */
+	const KSSLSession* session() const;
+
+	/**
+	 *  Determine if we are currently reusing an SSL session ID.
+	 *
+	 *  @return true if we are reusing a session ID.
+	 */
+	bool reusingSession() const;
+
+private:
+	static bool m_bSSLWorks;
+	bool m_bInit;
+	bool m_bAutoReconfig;
+	KSSLSettings *m_cfg;
+	KSSLConnectionInfo m_ci;
+	KSSLPeerInfo m_pi;
+
+	KSSLPrivate *d;
+
+	void setConnectionInfo();
+	void setPeerInfo();
+	bool setVerificationLogic();
+};
+
+
+#endif
+