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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/AclData.h"
#include "qpid/log/Statement.h"
#include "qpid/sys/IntegerTypes.h"
#include <boost/lexical_cast.hpp>
namespace qpid {
namespace acl {
AclData::AclData():decisionMode(qpid::acl::DENY),transferAcl(false),aclSource("UNKNOWN")
{
for (unsigned int cnt=0; cnt< qpid::acl::ACTIONSIZE; cnt++){
actionList[cnt]=0;
}
}
void AclData::clear ()
{
for (unsigned int cnt=0; cnt< qpid::acl::ACTIONSIZE; cnt++){
if (actionList[cnt]){
for (unsigned int cnt1=0; cnt1< qpid::acl::OBJECTSIZE; cnt1++)
delete actionList[cnt][cnt1];
}
delete[] actionList[cnt];
}
}
bool AclData::matchProp(const std::string & src, const std::string& src1)
{
// allow wildcard on the end of strings...
if (src.data()[src.size()-1]=='*') {
return (src.compare(0, src.size()-1, src1, 0,src.size()-1 ) == 0);
} else {
return (src.compare(src1)==0) ;
}
}
AclResult AclData::lookup(const std::string& id, const Action& action, const ObjectType& objType,
const std::string& name, std::map<Property, std::string>* params) {
QPID_LOG(debug, "ACL: Lookup for id:" << id << " action:" << AclHelper::getActionStr((Action) action)
<< " objectType:" << AclHelper::getObjectTypeStr((ObjectType) objType) << " name:" << name
<< " with params " << AclHelper::propertyMapToString(params));
AclResult aclresult = decisionMode;
if (actionList[action] && actionList[action][objType]) {
AclData::actObjItr itrRule = actionList[action][objType]->find(id);
if (itrRule == actionList[action][objType]->end())
itrRule = actionList[action][objType]->find("*");
if (itrRule != actionList[action][objType]->end()) {
QPID_LOG(debug, "ACL: checking the following rules for : " << itrRule->first );
//loop the vector
for (ruleSetItr i = itrRule->second.begin(); i < itrRule->second.end(); i++) {
QPID_LOG(debug, "ACL: checking rule " << i->toString());
// loop the names looking for match
bool match = true;
for (propertyMapItr pMItr = i->props.begin(); (pMItr != i->props.end()) && match; pMItr++) {
//match name is exists first
if (pMItr->first == acl::PROP_NAME) {
if (matchProp(pMItr->second, name)){
QPID_LOG(debug, "ACL: name '" << name << "' matched with name '"
<< pMItr->second << "' given in the rule");
}else{
match = false;
QPID_LOG(debug, "ACL: name '" << name << "' didn't match with name '"
<< pMItr->second << "' given in the rule");
}
} else if (params) { //match pMItr against params
propertyMapItr paramItr = params->find(pMItr->first);
if (paramItr == params->end()) {
match = false;
QPID_LOG(debug, "ACL: the given parameter map in lookup doesn't contain the property '"
<< AclHelper::getPropertyStr(pMItr->first) << "'");
}else if ( pMItr->first == acl::PROP_MAXQUEUECOUNT || pMItr->first == acl::PROP_MAXQUEUESIZE ) {
if ( pMItr->first == paramItr->first ) {
uint64_t aclMax = 0;
uint64_t paramMax = 0;
try{
aclMax = boost::lexical_cast<uint64_t>(pMItr->second);
}catch(const boost::bad_lexical_cast&){
match = false;
QPID_LOG(error,"Error evaluating rule. " <<
"Illegal value given in ACL source <" << aclSource <<
"> for property '" <<
AclHelper::getPropertyStr(pMItr->first) << "' : " <<
boost::lexical_cast<std::string>(pMItr->second));
break;
}
try{
paramMax = boost::lexical_cast<uint64_t>(paramItr->second);
}catch(const boost::bad_lexical_cast&){
match = false;
QPID_LOG(error,"Error evaluating rule. " <<
"Illegal value given in lookup for property '" <<
AclHelper::getPropertyStr(pMItr->first) << "' : " <<
boost::lexical_cast<std::string>(paramItr->second));
break;
}
QPID_LOG(debug, "ACL: Numeric comparison for property " <<
AclHelper::getPropertyStr(paramItr->first) <<
" (value given in lookup = " <<
boost::lexical_cast<std::string>(paramItr->second) <<
", value give in rule = " <<
boost::lexical_cast<std::string>(pMItr->second) << " )");
if (( aclMax ) && ( paramMax == 0 || paramMax > aclMax)){
match = decisionMode == qpid::acl::ALLOW ;
QPID_LOG(debug, "ACL: Limit exceeded and match=" <<
(match ? "true": "false") <<
" as decision mode is " << AclHelper::getAclResultStr(decisionMode));
}
}
}else if (matchProp(pMItr->second, paramItr->second)) {
QPID_LOG(debug, "ACL: the pair("
<< AclHelper::getPropertyStr(paramItr->first) << "," << paramItr->second
<< ") given in lookup matched the pair("
<< AclHelper::getPropertyStr(pMItr->first) << "," << pMItr->second << ") given in the rule");
} else {
QPID_LOG(debug, "ACL: the pair("
<< AclHelper::getPropertyStr(paramItr->first) << "," << paramItr->second
<< ") given in lookup doesn't match the pair("
<< AclHelper::getPropertyStr(pMItr->first) << "," << pMItr->second << ") given in the rule");
match = false;
}
}
}
if (match)
{
aclresult = getACLResult(i->logOnly, i->log);
QPID_LOG(debug,"Successful match, the decision is:" << AclHelper::getAclResultStr(aclresult));
return aclresult;
}
}
}
}
QPID_LOG(debug,"No successful match, defaulting to the decision mode " << AclHelper::getAclResultStr(aclresult));
return aclresult;
}
AclResult AclData::lookup(const std::string& id, const Action& action, const ObjectType& objType, const std::string& /*Exchange*/ name, const std::string& RoutingKey)
{
QPID_LOG(debug, "ACL: Lookup for id:" << id << " action:" << AclHelper::getActionStr((Action) action)
<< " objectType:" << AclHelper::getObjectTypeStr((ObjectType) objType) << " exchange name:" << name
<< " with routing key " << RoutingKey);
AclResult aclresult = decisionMode;
if (actionList[action] && actionList[action][objType]){
AclData::actObjItr itrRule = actionList[action][objType]->find(id);
if (itrRule == actionList[action][objType]->end())
itrRule = actionList[action][objType]->find("*");
if (itrRule != actionList[action][objType]->end() ) {
QPID_LOG(debug, "ACL: checking the following rules for : " << itrRule->first );
//loop the vector
for (ruleSetItr i=itrRule->second.begin(); i<itrRule->second.end(); i++) {
QPID_LOG(debug, "ACL: checking rule " << i->toString());
// loop the names looking for match
bool match =true;
for (propertyMapItr pMItr = i->props.begin(); (pMItr != i->props.end()) && match; pMItr++)
{
//match name is exists first
if (pMItr->first == acl::PROP_NAME){
if (matchProp(pMItr->second, name)){
QPID_LOG(debug, "ACL: name '" << name << "' matched with name '"
<< pMItr->second << "' given in the rule");
}else{
match= false;
QPID_LOG(debug, "ACL: name '" << name << "' didn't match with name '"
<< pMItr->second << "' given in the rule");
}
}else if (pMItr->first == acl::PROP_ROUTINGKEY){
if (matchProp(pMItr->second, RoutingKey)){
QPID_LOG(debug, "ACL: name '" << name << "' matched with routing_key '"
<< pMItr->second << "' given in the rule");
}else{
match= false;
QPID_LOG(debug, "ACL: name '" << name << "' didn't match with routing_key '"
<< pMItr->second << "' given in the rule");
}
}
}
if (match){
aclresult = getACLResult(i->logOnly, i->log);
QPID_LOG(debug,"Successful match, the decision is:" << AclHelper::getAclResultStr(aclresult));
return aclresult;
}
}
}
}
QPID_LOG(debug,"No successful match, defaulting to the decision mode " << AclHelper::getAclResultStr(aclresult));
return aclresult;
}
AclResult AclData::getACLResult(bool logOnly, bool log)
{
switch (decisionMode)
{
case qpid::acl::ALLOWLOG:
case qpid::acl::ALLOW:
if (logOnly) return qpid::acl::ALLOWLOG;
if (log)
return qpid::acl::DENYLOG;
else
return qpid::acl::DENY;
case qpid::acl::DENYLOG:
case qpid::acl::DENY:
if (logOnly) return qpid::acl::DENYLOG;
if (log)
return qpid::acl::ALLOWLOG;
else
return qpid::acl::ALLOW;
}
QPID_LOG(error, "ACL Decision Failed, setting DENY");
return qpid::acl::DENY;
}
AclData::~AclData()
{
clear();
}
}}
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