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/*
* Copyright 2001-2007 Internet2
*
* 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.
*/
/**
* SecurityPolicy.cpp
*
* Overall policy used to verify the security of an incoming message.
*/
#include "internal.h"
#include "exceptions.h"
#include "binding/SecurityPolicyRule.h"
#include "saml2/core/Assertions.h"
using namespace opensaml::saml2md;
using namespace opensaml::saml2;
using namespace opensaml;
using namespace xmltooling;
using namespace std;
namespace opensaml {
SAML_DLLLOCAL PluginManager<SecurityPolicyRule,string,const DOMElement*>::Factory ClientCertAuthRuleFactory;
SAML_DLLLOCAL PluginManager<SecurityPolicyRule,string,const DOMElement*>::Factory MessageFlowRuleFactory;
SAML_DLLLOCAL PluginManager<SecurityPolicyRule,string,const DOMElement*>::Factory NullSecurityRuleFactory;
SAML_DLLLOCAL PluginManager<SecurityPolicyRule,string,const DOMElement*>::Factory SimpleSigningRuleFactory;
SAML_DLLLOCAL PluginManager<SecurityPolicyRule,string,const DOMElement*>::Factory XMLSigningRuleFactory;
};
void SAML_API opensaml::registerSecurityPolicyRules()
{
SAMLConfig& conf=SAMLConfig::getConfig();
conf.SecurityPolicyRuleManager.registerFactory(CLIENTCERTAUTH_POLICY_RULE, ClientCertAuthRuleFactory);
conf.SecurityPolicyRuleManager.registerFactory(MESSAGEFLOW_POLICY_RULE, MessageFlowRuleFactory);
conf.SecurityPolicyRuleManager.registerFactory(NULLSECURITY_POLICY_RULE, NullSecurityRuleFactory);
conf.SecurityPolicyRuleManager.registerFactory(SIMPLESIGNING_POLICY_RULE, SimpleSigningRuleFactory);
conf.SecurityPolicyRuleManager.registerFactory(XMLSIGNING_POLICY_RULE, XMLSigningRuleFactory);
}
SecurityPolicy::IssuerMatchingPolicy SecurityPolicy::m_defaultMatching;
SecurityPolicy::~SecurityPolicy()
{
reset(false);
}
void SecurityPolicy::reset(bool messageOnly)
{
XMLString::release(&m_messageID);
m_messageID=NULL;
m_issueInstant=0;
if (!messageOnly) {
delete m_issuer;
m_issuer=NULL;
m_issuerRole=NULL;
m_authenticated=false;
}
}
void SecurityPolicy::evaluate(const XMLObject& message, const GenericRequest* request)
{
for (vector<const SecurityPolicyRule*>::const_iterator i=m_rules.begin(); i!=m_rules.end(); ++i)
(*i)->evaluate(message,request,*this);
}
void SecurityPolicy::setIssuer(const Issuer* issuer)
{
if (!getIssuerMatchingPolicy().issuerMatches(m_issuer, issuer))
throw SecurityPolicyException("An Issuer was supplied that conflicts with previous results.");
if (!m_issuer) {
if (m_entityOnly && issuer->getFormat() && !XMLString::equals(issuer->getFormat(), NameIDType::ENTITY))
throw SecurityPolicyException("A non-entity Issuer was supplied, violating policy.");
m_issuerRole = NULL;
m_issuer=issuer->cloneIssuer();
}
}
void SecurityPolicy::setIssuer(const XMLCh* issuer)
{
if (!getIssuerMatchingPolicy().issuerMatches(m_issuer, issuer))
throw SecurityPolicyException("An Issuer was supplied that conflicts with previous results.");
if (!m_issuer && issuer && *issuer) {
m_issuerRole = NULL;
m_issuer = IssuerBuilder::buildIssuer();
m_issuer->setName(issuer);
}
}
void SecurityPolicy::setIssuerMetadata(const RoleDescriptor* issuerRole)
{
if (issuerRole && m_issuerRole && issuerRole!=m_issuerRole)
throw SecurityPolicyException("A rule supplied a RoleDescriptor that conflicts with previous results.");
m_issuerRole=issuerRole;
}
bool SecurityPolicy::IssuerMatchingPolicy::issuerMatches(const Issuer* issuer1, const Issuer* issuer2) const
{
// NULL matches anything for the purposes of this interface.
if (!issuer1 || !issuer2)
return true;
const XMLCh* op1=issuer1->getName();
const XMLCh* op2=issuer2->getName();
if (!op1 || !op2 || !XMLString::equals(op1,op2))
return false;
op1=issuer1->getFormat();
op2=issuer2->getFormat();
if (!XMLString::equals(op1 ? op1 : NameIDType::ENTITY, op2 ? op2 : NameIDType::ENTITY))
return false;
op1=issuer1->getNameQualifier();
op2=issuer2->getNameQualifier();
if (!XMLString::equals(op1 ? op1 : &chNull, op2 ? op2 : &chNull))
return false;
op1=issuer1->getSPNameQualifier();
op2=issuer2->getSPNameQualifier();
if (!XMLString::equals(op1 ? op1 : &chNull, op2 ? op2 : &chNull))
return false;
return true;
}
bool SecurityPolicy::IssuerMatchingPolicy::issuerMatches(const Issuer* issuer1, const XMLCh* issuer2) const
{
// NULL matches anything for the purposes of this interface.
if (!issuer1 || !issuer2 || !*issuer2)
return true;
const XMLCh* op1=issuer1->getName();
if (!op1 || !XMLString::equals(op1,issuer2))
return false;
op1=issuer1->getFormat();
if (op1 && *op1 && !XMLString::equals(op1, NameIDType::ENTITY))
return false;
op1=issuer1->getNameQualifier();
if (op1 && *op1)
return false;
op1=issuer1->getSPNameQualifier();
if (op1 && *op1)
return false;
return true;
}
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