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			143 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			143 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/******************************************************************************
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 * Icinga 2                                                                   *
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 * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)    *
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 *                                                                            *
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 * This program is free software; you can redistribute it and/or              *
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 * modify it under the terms of the GNU General Public License                *
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 * as published by the Free Software Foundation; either version 2             *
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 * of the License, or (at your option) any later version.                     *
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 *                                                                            *
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 * This program is distributed in the hope that it will be useful,            *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
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 * GNU General Public License for more details.                               *
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 *                                                                            *
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 * You should have received a copy of the GNU General Public License          *
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 * along with this program; if not, write to the Free Software Foundation     *
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
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 ******************************************************************************/
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#include "icinga/usergroup.hpp"
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#include "config/objectrule.hpp"
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#include "base/dynamictype.hpp"
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#include "base/objectlock.hpp"
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#include "base/logger.hpp"
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#include "base/context.hpp"
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#include "base/workqueue.hpp"
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#include <boost/foreach.hpp>
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using namespace icinga;
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REGISTER_TYPE(UserGroup);
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INITIALIZE_ONCE(&UserGroup::RegisterObjectRuleHandler);
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void UserGroup::RegisterObjectRuleHandler(void)
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{
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	ObjectRule::RegisterType("UserGroup", &UserGroup::EvaluateObjectRules);
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}
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bool UserGroup::EvaluateObjectRuleOne(const User::Ptr& user, const ObjectRule& rule)
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{
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	DebugInfo di = rule.GetDebugInfo();
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	std::ostringstream msgbuf;
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	msgbuf << "Evaluating 'object' rule (" << di << ")";
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	CONTEXT(msgbuf.str());
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	Dictionary::Ptr locals = make_shared<Dictionary>();
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	locals->Set("user", user);
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	if (!rule.EvaluateFilter(locals))
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		return false;
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	Log(LogDebug, "UserGroup")
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	    << "Assigning membership for group '" << rule.GetName() << "' to user '" << user->GetName() << "' for rule " << di;
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	String group_name = rule.GetName();
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	UserGroup::Ptr group = UserGroup::GetByName(group_name);
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	if (!group) {
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		Log(LogCritical, "UserGroup")
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		    << "Invalid membership assignment. Group '" << group_name << "' does not exist.";
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		return false;
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	}
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	/* assign user group membership */
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	group->ResolveGroupMembership(user, true);
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	return true;
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}
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void UserGroup::EvaluateObjectRule(const ObjectRule& rule)
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{
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	BOOST_FOREACH(const User::Ptr& user, DynamicType::GetObjectsByType<User>()) {
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		CONTEXT("Evaluating group membership in '" + rule.GetName() + "' for user '" + user->GetName() + "'");
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		EvaluateObjectRuleOne(user, rule);
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	}
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}
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void UserGroup::EvaluateObjectRules(const std::vector<ObjectRule>& rules)
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{
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	ParallelWorkQueue upq;
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	BOOST_FOREACH(const ObjectRule& rule, rules) {
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		upq.Enqueue(boost::bind(UserGroup::EvaluateObjectRule, boost::cref(rule)));
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	}
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	upq.Join();
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}
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std::set<User::Ptr> UserGroup::GetMembers(void) const
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{
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	boost::mutex::scoped_lock lock(m_UserGroupMutex);
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	return m_Members;
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}
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void UserGroup::AddMember(const User::Ptr& user)
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{
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	user->AddGroup(GetName());
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	boost::mutex::scoped_lock lock(m_UserGroupMutex);
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	m_Members.insert(user);
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}
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void UserGroup::RemoveMember(const User::Ptr& user)
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{
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	boost::mutex::scoped_lock lock(m_UserGroupMutex);
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	m_Members.erase(user);
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}
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bool UserGroup::ResolveGroupMembership(const User::Ptr& user, bool add, int rstack) {
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	if (add && rstack > 20) {
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		Log(LogWarning, "UserGroup")
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		    << "Too many nested groups for group '" << GetName() << "': User '"
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		    << user->GetName() << "' membership assignment failed.";
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		return false;
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	}
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	Array::Ptr groups = GetGroups();
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	if (groups && groups->GetLength() > 0) {
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		ObjectLock olock(groups);
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		BOOST_FOREACH(const String& name, groups) {
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			UserGroup::Ptr group = UserGroup::GetByName(name);
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			if (group && !group->ResolveGroupMembership(user, add, rstack + 1))
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				return false;
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		}
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	}
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	if (add)
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		AddMember(user);
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	else
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		RemoveMember(user);
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	return true;
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}
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