From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- .../src/vmime/security/sasl/SASLSession.hpp | 180 +++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 vmime-master/src/vmime/security/sasl/SASLSession.hpp (limited to 'vmime-master/src/vmime/security/sasl/SASLSession.hpp') diff --git a/vmime-master/src/vmime/security/sasl/SASLSession.hpp b/vmime-master/src/vmime/security/sasl/SASLSession.hpp new file mode 100644 index 0000000..7fc7225 --- /dev/null +++ b/vmime-master/src/vmime/security/sasl/SASLSession.hpp @@ -0,0 +1,180 @@ +// +// VMime library (http://www.vmime.org) +// Copyright (C) 2002 Vincent Richard +// +// This program is free software; you can redistribute it and/or +// modify it under the terms of the GNU General Public License as +// published by the Free Software Foundation; either version 3 of +// the License, or (at your option) any later version. +// +// This program 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 +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License along +// with this program; if not, write to the Free Software Foundation, Inc., +// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +// +// Linking this library statically or dynamically with other modules is making +// a combined work based on this library. Thus, the terms and conditions of +// the GNU General Public License cover the whole combination. +// + +#ifndef VMIME_SECURITY_SASL_SASLSESSION_HPP_INCLUDED +#define VMIME_SECURITY_SASL_SASLSESSION_HPP_INCLUDED + + +#include "vmime/config.hpp" + + +#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_SASL_SUPPORT + + +#include "vmime/types.hpp" + +#include "vmime/net/socket.hpp" + +#include "vmime/security/sasl/SASLAuthenticator.hpp" +#include "vmime/security/sasl/SASLMechanism.hpp" + + +namespace vmime { +namespace security { +namespace sasl { + + +class SASLContext; + + +/** An SASL client session. + */ +class VMIME_EXPORT SASLSession : public object, public enable_shared_from_this { + + friend class builtinSASLMechanism; + friend class SASLSocket; + +public: + + ~SASLSession(); + + /** Construct a new SASL session. + * + * @param serviceName name of the service using this session + * @param ctx SASL context + * @param auth authenticator to use for this session + * @param mech SASL mechanism + */ + static shared_ptr create( + const string& serviceName, + const shared_ptr & ctx, + const shared_ptr & auth, + const shared_ptr & mech + ); + + /** Initialize this SASL session. This must be called before + * calling any other method on this object (except accessors). + */ + void init(); + + /** Return the authenticator used for this session. This is the + * authenticator which has been previously set with a call to + * setAuthenticator(). + * + * @return authenticator object + */ + shared_ptr getAuthenticator(); + + /** Return the mechanism used for this session. + * + * @return SASL mechanism + */ + shared_ptr getMechanism(); + + /** Return the SASL context. + * + * @return SASL context + */ + shared_ptr getContext(); + + /** Perform one step of SASL authentication. Accept data from the + * server (challenge), process it and return data to be returned + * in response to the server. + * + * If the challenge is empty (challengeLen == 0), the initial + * response is returned, if the mechanism has one. + * + * @param challenge challenge sent from the server + * @param challengeLen length of challenge + * @param response response to send to the server (allocated by + * this function, free with delete[]) + * @param responseLen length of response buffer + * @return true if authentication terminated successfully, or + * false if the authentication process should continue + * @throw exceptions::sasl_exception if an error occurred during + * authentication (in this case, the values in 'response' and + * 'responseLen' are undetermined) + */ + bool evaluateChallenge( + const byte_t* challenge, + const size_t challengeLen, + byte_t** response, + size_t* responseLen + ); + + /** Return a socket in which transmitted data is integrity + * and/or privacy protected, depending on the QOP (Quality of + * Protection) negotiated during the SASL authentication. + * + * @param sok socket to wrap + * @return secured socket + */ + shared_ptr getSecuredSocket(const shared_ptr & sok); + + /** Return the name of the service which is using this + * SASL session (eg. "imap"). This value should be returned + * by the authenticator when INFO_SERVICE is requested. + * + * @return service name + */ + const string getServiceName() const; + +private: + + SASLSession( + const string& serviceName, + const shared_ptr & ctx, + const shared_ptr & auth, + const shared_ptr & mech + ); + + + const string m_serviceName; + + shared_ptr m_context; + shared_ptr m_auth; + shared_ptr m_mech; + +#ifdef GSASL_VERSION + Gsasl* m_gsaslContext; + Gsasl_session* m_gsaslSession; + + static int gsaslCallback(Gsasl* ctx, Gsasl_session* sctx, Gsasl_property prop); +#else + void* m_gsaslContext; + void* m_gsaslSession; + + static int gsaslCallback(void* ctx, void* sctx, int prop); +#endif // GSASL_VERSION + +}; + + +} // sasl +} // security +} // vmime + + +#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_SASL_SUPPORT + +#endif // VMIME_SECURITY_SASL_SASLSESSION_HPP_INCLUDED -- cgit v1.2.3