/*
- * Copyright 2001-2006 Internet2
+ * 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.
/**
* ClientCertAuthRule.cpp
*
- * XML Signature checking SecurityPolicyRule
+ * TLS client authentication SecurityPolicyRule
*/
#include "internal.h"
#include "exceptions.h"
-#include "binding/ClientCertAuthRule.h"
+#include "binding/SecurityPolicyRule.h"
#include "saml2/metadata/Metadata.h"
+#include "saml2/metadata/MetadataCredentialCriteria.h"
#include "saml2/metadata/MetadataProvider.h"
+#include <xmltooling/logging.h>
#include <xmltooling/security/X509TrustEngine.h>
-#include <xmltooling/util/NDC.h>
#include <xmltooling/util/ReplayCache.h>
-#include <log4cpp/Category.hh>
using namespace opensaml::saml2md;
using namespace opensaml;
+using namespace xmltooling::logging;
using namespace xmltooling;
-using namespace log4cpp;
using namespace std;
namespace opensaml {
+ class SAML_DLLLOCAL ClientCertAuthRule : public SecurityPolicyRule
+ {
+ public:
+ ClientCertAuthRule(const DOMElement* e) {}
+ virtual ~ClientCertAuthRule() {}
+
+ void evaluate(const xmltooling::XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const;
+ };
+
SecurityPolicyRule* SAML_DLLLOCAL ClientCertAuthRuleFactory(const DOMElement* const & e)
{
return new ClientCertAuthRule(e);
}
};
-pair<saml2::Issuer*,const RoleDescriptor*> ClientCertAuthRule::evaluate(
- const XMLObject& message,
- const GenericRequest* request,
- const MetadataProvider* metadataProvider,
- const QName* role,
- const TrustEngine* trustEngine
- ) const
+void ClientCertAuthRule::evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const
{
Category& log=Category::getInstance(SAML_LOGCAT".SecurityPolicyRule.ClientCertAuth");
- log.debug("evaluating client certificate authentication policy");
- pair<saml2::Issuer*,const RoleDescriptor*> ret = pair<saml2::Issuer*,const RoleDescriptor*>(NULL,NULL);
- if (!request) {
- log.debug("ignoring message, no protocol request available");
- return ret;
- }
+ if (!request)
+ return;
+ if (!policy.getIssuerMetadata()) {
+ log.debug("ignoring message, no issuer metadata supplied");
+ return;
+ }
+
const X509TrustEngine* x509trust;
- if (!metadataProvider || !role || !(x509trust=dynamic_cast<const X509TrustEngine*>(trustEngine))) {
- log.debug("ignoring message, no metadata or X509TrustEngine supplied");
- return ret;
+ if (!(x509trust=dynamic_cast<const X509TrustEngine*>(policy.getTrustEngine()))) {
+ log.debug("ignoring message, no X509TrustEngine supplied");
+ return;
}
const std::vector<XSECCryptoX509*>& chain = request->getClientCertificates();
- if (chain.empty()) {
- log.debug("ignoring message, no client certificates in request");
- return ret;
- }
+ if (chain.empty())
+ return;
- try {
- log.debug("extracting issuer from message");
- pair<saml2::Issuer*,const XMLCh*> issuerInfo = getIssuerAndProtocol(message);
-
- auto_ptr<saml2::Issuer> issuer(issuerInfo.first);
- if (!issuerInfo.first || !issuerInfo.second ||
- (issuer->getFormat() && !XMLString::equals(issuer->getFormat(), saml2::NameIDType::ENTITY))) {
- log.warn("issuer identity not estabished, or was not an entityID");
- return ret;
- }
-
- log.debug("searching metadata for message issuer...");
- const EntityDescriptor* entity = metadataProvider->getEntityDescriptor(issuer->getName());
- if (!entity) {
- auto_ptr_char temp(issuer->getName());
- log.warn("no metadata found, can't establish identity of issuer (%s)", temp.get());
- return ret;
- }
-
- log.debug("matched message issuer against metadata, searching for applicable role...");
- const RoleDescriptor* roledesc=entity->getRoleDescriptor(*role, issuerInfo.second);
- if (!roledesc) {
- log.warn("unable to find compatible role (%s) in metadata", role->toString().c_str());
- return ret;
- }
+ // Set up criteria object, including peer name to enforce cert name checking.
+ MetadataCredentialCriteria cc(*(policy.getIssuerMetadata()));
+ auto_ptr_char pn(policy.getIssuer()->getName());
+ cc.setPeerName(pn.get());
+ cc.setUsage(CredentialCriteria::TLS_CREDENTIAL);
- if (!x509trust->validate(chain.front(), chain, *roledesc, true, metadataProvider->getKeyResolver())) {
- log.error("unable to verify certificate chain with supplied trust engine");
- return ret;
- }
-
- if (log.isDebugEnabled()) {
- auto_ptr_char iname(entity->getEntityID());
- log.debug("message from (%s), signature verified", iname.get());
- }
-
- ret.first = issuer.release();
- ret.second = roledesc;
- }
- catch (bad_cast&) {
- // Just trap it.
- log.warn("caught a bad_cast while extracting issuer");
+ if (!x509trust->validate(chain.front(), chain, *(policy.getMetadataProvider()), &cc)) {
+ log.error("unable to verify certificate chain with supplied trust engine");
+ return;
}
- return ret;
-}
-
-pair<saml2::Issuer*,const XMLCh*> ClientCertAuthRule::getIssuerAndProtocol(const XMLObject& message) const
-{
- // We just let any bad casts throw here.
-
- // Shortcuts some of the casting.
- const XMLCh* ns = message.getElementQName().getNamespaceURI();
- if (ns) {
- if (XMLString::equals(ns, samlconstants::SAML20P_NS)) {
- // 2.0 namespace should be castable to a specialized 2.0 root.
- const saml2::RootObject& root = dynamic_cast<const saml2::RootObject&>(message);
- saml2::Issuer* issuer = root.getIssuer();
- if (issuer && issuer->getName())
- return make_pair(issuer->cloneIssuer(), samlconstants::SAML20P_NS);
- }
- }
- return pair<saml2::Issuer*,const XMLCh*>(NULL,NULL);
+
+ log.debug("client certificate verified against message issuer");
+ policy.setSecure(true);
}
projects / shibboleth / opensaml2.git / blobdiff