-/*
- * 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
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * UCAID licenses this file to you 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
*
- * 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.
+ * 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.
*/
/**
* SimpleSigningRule.cpp
*
- * Blob-oriented signature checking SecurityPolicyRule
+ * Blob-oriented signature checking SecurityPolicyRule.
*/
#include "internal.h"
#include "exceptions.h"
+#include "binding/SecurityPolicy.h"
#include "binding/SecurityPolicyRule.h"
#include "saml2/core/Assertions.h"
#include "saml2/metadata/Metadata.h"
#include <xercesc/util/Base64.hpp>
#include <xmltooling/logging.h>
+#include <xmltooling/XMLToolingConfig.h>
#include <xmltooling/io/HTTPRequest.h>
#include <xmltooling/security/SignatureTrustEngine.h>
+#include <xmltooling/signature/KeyInfo.h>
+#include <xmltooling/signature/Signature.h>
+#include <xmltooling/util/ParserPool.h>
using namespace opensaml::saml2md;
using namespace opensaml;
const char* getType() const {
return SIMPLESIGNING_POLICY_RULE;
}
- void evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const;
+ bool evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const;
private:
// Appends a raw parameter=value pair to the string.
static bool appendParameter(string& s, const char* data, const char* name);
- bool m_errorsFatal;
+ bool m_errorFatal;
};
SecurityPolicyRule* SAML_DLLLOCAL SimpleSigningRuleFactory(const DOMElement* const & e)
return new SimpleSigningRule(e);
}
- static const XMLCh errorsFatal[] = UNICODE_LITERAL_11(e,r,r,o,r,s,F,a,t,a,l);
+ static const XMLCh errorFatal[] = UNICODE_LITERAL_10(e,r,r,o,r,F,a,t,a,l);
};
bool SimpleSigningRule::appendParameter(string& s, const char* data, const char* name)
return true;
}
-SimpleSigningRule::SimpleSigningRule(const DOMElement* e) : m_errorsFatal(false)
+SimpleSigningRule::SimpleSigningRule(const DOMElement* e) : m_errorFatal(XMLHelper::getAttrBool(e, false, errorFatal))
{
- if (e) {
- const XMLCh* flag = e->getAttributeNS(NULL, errorsFatal);
- m_errorsFatal = (flag && (*flag==chLatin_t || *flag==chDigit_1));
- }
}
-void SimpleSigningRule::evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const
+bool SimpleSigningRule::evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const
{
- Category& log=Category::getInstance(SAML_LOGCAT".SecurityPolicyRule.SimpleSigning");
+ Category& log=Category::getInstance(SAML_LOGCAT ".SecurityPolicyRule.SimpleSigning");
if (!policy.getIssuerMetadata()) {
log.debug("ignoring message, no issuer metadata supplied");
- return;
+ return false;
}
const SignatureTrustEngine* sigtrust;
if (!(sigtrust=dynamic_cast<const SignatureTrustEngine*>(policy.getTrustEngine()))) {
log.debug("ignoring message, no SignatureTrustEngine supplied");
- return;
+ return false;
}
const HTTPRequest* httpRequest = dynamic_cast<const HTTPRequest*>(request);
if (!request || !httpRequest)
- return;
+ return false;
const char* signature = request->getParameter("Signature");
if (!signature)
- return;
+ return false;
const char* sigAlgorithm = request->getParameter("SigAlg");
if (!sigAlgorithm) {
log.error("SigAlg parameter not found, no way to verify the signature");
- return;
+ return false;
}
string input;
// Serializing the XMLObject doesn't guarantee the signature will verify (this is
// why XMLSignature exists, and why this isn't really "simpler").
- unsigned int x;
+ xsecsize_t x;
pch = httpRequest->getParameter("SAMLRequest");
if (pch) {
XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(pch),&x);
if (!decoded) {
log.warn("unable to decode base64 in POST binding message");
- return;
+ return false;
}
input = string("SAMLRequest=") + reinterpret_cast<const char*>(decoded);
+#ifdef OPENSAML_XERCESC_HAS_XMLBYTE_RELEASE
XMLString::release(&decoded);
+#else
+ XMLString::release((char**)&decoded);
+#endif
}
else {
pch = httpRequest->getParameter("SAMLResponse");
XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(pch),&x);
if (!decoded) {
log.warn("unable to decode base64 in POST binding message");
- return;
+ return false;
}
input = string("SAMLResponse=") + reinterpret_cast<const char*>(decoded);
+#ifdef OPENSAML_XERCESC_HAS_XMLBYTE_RELEASE
XMLString::release(&decoded);
+#else
+ XMLString::release((char**)&decoded);
+#endif
}
pch = httpRequest->getParameter("RelayState");
}
// Check for KeyInfo, but defensively (we might be able to run without it).
- KeyInfo* keyInfo=NULL;
+ KeyInfo* keyInfo=nullptr;
pch = request->getParameter("KeyInfo");
if (pch) {
- try {
- istringstream kstrm(pch);
- DOMDocument* doc = XMLToolingConfig::getConfig().getParser().parse(kstrm);
- XercesJanitor<DOMDocument> janitor(doc);
- XMLObject* kxml = XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true);
- janitor.release();
- if (!(keyInfo=dynamic_cast<KeyInfo*>(kxml)))
- delete kxml;
+ xsecsize_t x;
+ XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(pch),&x);
+ if (decoded) {
+ try {
+ istringstream kstrm((char*)decoded);
+ DOMDocument* doc = XMLToolingConfig::getConfig().getParser().parse(kstrm);
+ XercesJanitor<DOMDocument> janitor(doc);
+ XMLObject* kxml = XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true);
+ janitor.release();
+ if (!(keyInfo=dynamic_cast<KeyInfo*>(kxml)))
+ delete kxml;
+ }
+ catch (XMLToolingException& ex) {
+ log.warn("Failed to load KeyInfo from message: %s", ex.what());
+ }
+#ifdef OPENSAML_XERCESC_HAS_XMLBYTE_RELEASE
+ XMLString::release(&decoded);
+#else
+ XMLString::release((char**)&decoded);
+#endif
}
- catch (XMLToolingException& ex) {
- log.warn("Failed to load KeyInfo from message: %s", ex.what());
+ else {
+ log.warn("Failed to load KeyInfo from message: Unable to decode base64-encoded KeyInfo.");
}
}
if (!sigtrust->validate(alg.get(), signature, keyInfo, input.c_str(), input.length(), *(policy.getMetadataProvider()), &cc)) {
log.error("unable to verify message signature with supplied trust engine");
- if (m_errorsFatal)
- throw SignatureException("Message was signed, but signature could not be verified.");
- return;
+ if (m_errorFatal)
+ throw SecurityPolicyException("Message was signed, but signature could not be verified.");
+ return false;
}
log.debug("signature verified against message issuer");
policy.setAuthenticated(true);
+ return true;
}