2 * Copyright 2001-2007 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * ClientCertAuthRule.cpp
20 * TLS client authentication SecurityPolicyRule
24 #include "exceptions.h"
25 #include "binding/SecurityPolicyRule.h"
26 #include "saml2/metadata/Metadata.h"
27 #include "saml2/metadata/MetadataCredentialCriteria.h"
28 #include "saml2/metadata/MetadataProvider.h"
30 #include <xmltooling/logging.h>
31 #include <xmltooling/security/X509TrustEngine.h>
32 #include <xmltooling/util/ReplayCache.h>
34 using namespace opensaml::saml2md;
35 using namespace opensaml;
36 using namespace xmltooling::logging;
37 using namespace xmltooling;
41 class SAML_DLLLOCAL ClientCertAuthRule : public SecurityPolicyRule
44 ClientCertAuthRule(const DOMElement* e) {}
45 virtual ~ClientCertAuthRule() {}
47 const char* getType() const {
48 return CLIENTCERTAUTH_POLICY_RULE;
50 void evaluate(const XMLObject& message, const GenericRequest* request, const XMLCh* protocol, SecurityPolicy& policy) const;
53 SecurityPolicyRule* SAML_DLLLOCAL ClientCertAuthRuleFactory(const DOMElement* const & e)
55 return new ClientCertAuthRule(e);
59 void ClientCertAuthRule::evaluate(
60 const XMLObject& message, const GenericRequest* request, const XMLCh* protocol, SecurityPolicy& policy
63 Category& log=Category::getInstance(SAML_LOGCAT".SecurityPolicyRule.ClientCertAuth");
68 if (!policy.getIssuerMetadata()) {
69 log.debug("ignoring message, no issuer metadata supplied");
73 const X509TrustEngine* x509trust;
74 if (!(x509trust=dynamic_cast<const X509TrustEngine*>(policy.getTrustEngine()))) {
75 log.debug("ignoring message, no X509TrustEngine supplied");
79 const std::vector<XSECCryptoX509*>& chain = request->getClientCertificates();
83 // Set up criteria object, including peer name to enforce cert name checking.
84 MetadataCredentialCriteria cc(*(policy.getIssuerMetadata()));
85 auto_ptr_char pn(policy.getIssuer()->getName());
86 cc.setPeerName(pn.get());
87 cc.setUsage(CredentialCriteria::TLS_CREDENTIAL);
89 if (!x509trust->validate(chain.front(), chain, *(policy.getMetadataProvider()), &cc)) {
90 log.error("unable to verify certificate chain with supplied trust engine");
94 log.debug("client certificate verified against message issuer");
95 policy.setSecure(true);