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/*
* UserConfigBackendKrb5.h
*
* Copyright (C) 2009 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAD_MODULES_USERCONFIGBACKENDKRB5_USERCONFIGBACKENDKRB5_H_
#define MAD_MODULES_USERCONFIGBACKENDKRB5_USERCONFIGBACKENDKRB5_H_
#include <Common/UserConfigBackend.h>
#include <Common/Application.h>
#include <Core/Configurable.h>
#include <Core/ConfigManager.h>
#include <boost/thread/mutex.hpp>
#define USE_KADM5_API_VERSION 2
#include <kadm5/admin.h>
namespace Mad {
namespace Modules {
namespace UserConfigBackendKrb5 {
class UserConfigBackendKrb5 : public Common::UserConfigBackend, private Core::Configurable, private boost::noncopyable {
private:
Common::Application *application;
boost::mutex mutex;
std::string realm, principal, server;
std::string password, keytab;
krb5_context context;
void *handle;
void _connect();
protected:
virtual bool handleConfigEntry(const Core::ConfigEntry &entry, bool handled);
virtual void configFinished();
virtual void checkUserInfo(const Common::UserInfo &userInfo) throw(Core::Exception);
virtual void addUser(const Common::UserInfo &userInfo) throw(Core::Exception);
virtual void updateUser(const Common::UserInfo &oldUserInfo, const Common::UserInfo &userInfo) throw(Core::Exception);
virtual void deleteUser(const Common::UserInfo &userInfo) throw(Core::Exception);
virtual void setPassword(const Common::UserInfo &userInfo, const std::string &password) throw(Core::Exception);
public:
UserConfigBackendKrb5(Common::Application *application0) : application(application0), handle(0) {
krb5_error_code err = krb5_init_context(&context);
if(err) {
application->logf("Unable to initialize kerberos context: %s", std::strerror(err));
context = 0;
return;
}
char *defaultRealm;
krb5_get_default_realm(context, &defaultRealm);
if(defaultRealm) {
realm = defaultRealm;
free(defaultRealm);
}
application->getConfigManager()->registerConfigurable(this);
}
virtual ~UserConfigBackendKrb5() {
if(!context)
return;
application->getConfigManager()->unregisterConfigurable(this);
if(handle)
kadm5_destroy(handle);
krb5_free_context(context);
}
};
}
}
}
#endif /* MAD_MODULES_USERCONFIGBACKENDKRB5_USERCONFIGBACKENDKRB5_H_ */
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