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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include "qpid/acl/Acl.h"
#include "qpid/acl/AclConnectionCounter.h"
#include "qpid/acl/AclData.h"
#include "qpid/acl/AclValidator.h"
#include "qpid/sys/Mutex.h"
#include "qpid/broker/Broker.h"
#include "qpid/Plugin.h"
#include "qpid/Options.h"
#include "qpid/log/Logger.h"
#include "qpid/types/Variant.h"
#include "qmf/org/apache/qpid/acl/Package.h"
#include "qmf/org/apache/qpid/acl/EventAllow.h"
#include "qmf/org/apache/qpid/acl/EventDeny.h"
#include "qmf/org/apache/qpid/acl/EventFileLoaded.h"
#include "qmf/org/apache/qpid/acl/EventFileLoadFailed.h"
#include <map>
#include <boost/shared_ptr.hpp>
#include <boost/utility/in_place_factory.hpp>
using namespace std;
using namespace qpid::acl;
using qpid::broker::Broker;
using namespace qpid::sys;
using qpid::management::ManagementAgent;
using qpid::management::ManagementObject;
using qpid::management::Manageable;
using qpid::management::Args;
namespace _qmf = qmf::org::apache::qpid::acl;
Acl::Acl (AclValues& av, Broker& b): aclValues(av), broker(&b), transferAcl(false), mgmtObject(0),
connectionCounter(new ConnectionCounter(aclValues.aclMaxConnectPerUser, aclValues.aclMaxConnectPerIp))
{
agent = broker->getManagementAgent();
if (agent != 0){
_qmf::Package packageInit(agent);
mgmtObject = new _qmf::Acl (agent, this, broker);
agent->addObject (mgmtObject);
}
std::string errorString;
if (!readAclFile(errorString)){
throw Exception("Could not read ACL file " + errorString);
if (mgmtObject!=0) mgmtObject->set_enforcingAcl(0);
}
broker->getConnectionObservers().add(connectionCounter);
QPID_LOG(info, "ACL Plugin loaded");
if (mgmtObject!=0) mgmtObject->set_enforcingAcl(1);
}
bool Acl::authorise(
const std::string& id,
const Action& action,
const ObjectType& objType,
const std::string& name,
std::map<Property, std::string>* params)
{
boost::shared_ptr<AclData> dataLocal;
{
Mutex::ScopedLock locker(dataLock);
dataLocal = data; //rcu copy
}
// add real ACL check here...
AclResult aclreslt = dataLocal->lookup(id,action,objType,name,params);
return result(aclreslt, id, action, objType, name);
}
bool Acl::authorise(
const std::string& id,
const Action& action,
const ObjectType& objType,
const std::string& ExchangeName,
const std::string& RoutingKey)
{
boost::shared_ptr<AclData> dataLocal;
{
Mutex::ScopedLock locker(dataLock);
dataLocal = data; //rcu copy
}
// only use dataLocal here...
AclResult aclreslt = dataLocal->lookup(id,action,objType,ExchangeName,RoutingKey);
return result(aclreslt, id, action, objType, ExchangeName);
}
bool Acl::result(
const AclResult& aclreslt,
const std::string& id,
const Action& action,
const ObjectType& objType,
const std::string& name)
{
bool result(false);
switch (aclreslt)
{
case ALLOWLOG:
QPID_LOG(info, "ACL Allow id:" << id
<< " action:" << AclHelper::getActionStr(action)
<< " ObjectType:" << AclHelper::getObjectTypeStr(objType)
<< " Name:" << name );
agent->raiseEvent(_qmf::EventAllow(id, AclHelper::getActionStr(action),
AclHelper::getObjectTypeStr(objType),
name, types::Variant::Map()));
// FALLTHROUGH
case ALLOW:
result = true;
break;
case DENYLOG:
QPID_LOG(info, "ACL Deny id:" << id
<< " action:" << AclHelper::getActionStr(action)
<< " ObjectType:" << AclHelper::getObjectTypeStr(objType)
<< " Name:" << name);
agent->raiseEvent(_qmf::EventDeny(id, AclHelper::getActionStr(action),
AclHelper::getObjectTypeStr(objType),
name, types::Variant::Map()));
// FALLTHROUGH
case DENY:
if (mgmtObject!=0)
mgmtObject->inc_aclDenyCount();
result = false;
break;
default:
assert (false);
}
return result;
}
bool Acl::readAclFile(std::string& errorText)
{
// only set transferAcl = true if a rule implies the use of ACL on transfer, else keep false for performance reasons.
return readAclFile(aclValues.aclFile, errorText);
}
bool Acl::readAclFile(std::string& aclFile, std::string& errorText) {
boost::shared_ptr<AclData> d(new AclData);
AclReader ar;
if (ar.read(aclFile, d)){
agent->raiseEvent(_qmf::EventFileLoadFailed("", ar.getError()));
errorText = ar.getError();
QPID_LOG(error,ar.getError());
return false;
}
AclValidator validator;
validator.validate(d);
{
Mutex::ScopedLock locker(dataLock);
data = d;
}
transferAcl = data->transferAcl; // any transfer ACL
if (data->transferAcl){
QPID_LOG(debug,"ACL: Transfer ACL is Enabled!");
}
data->aclSource = aclFile;
if (mgmtObject!=0){
mgmtObject->set_transferAcl(transferAcl?1:0);
mgmtObject->set_policyFile(aclFile);
sys::AbsTime now = sys::AbsTime::now();
int64_t ns = sys::Duration(sys::EPOCH, now);
mgmtObject->set_lastAclLoad(ns);
agent->raiseEvent(_qmf::EventFileLoaded(""));
}
return true;
}
Acl::~Acl(){
broker->getConnectionObservers().remove(connectionCounter);
}
ManagementObject* Acl::GetManagementObject(void) const
{
return (ManagementObject*) mgmtObject;
}
Manageable::status_t Acl::ManagementMethod (uint32_t methodId, Args& /*args*/, string& text)
{
Manageable::status_t status = Manageable::STATUS_UNKNOWN_METHOD;
QPID_LOG (debug, "ACL: Queue::ManagementMethod [id=" << methodId << "]");
switch (methodId)
{
case _qmf::Acl::METHOD_RELOADACLFILE :
readAclFile(text);
if (text.empty())
status = Manageable::STATUS_OK;
else
status = Manageable::STATUS_USER;
break;
}
return status;
}
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