-/*
- * Copyright 2001-2006 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.
+ *
+ * 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
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * 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.
+ * 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.
*/
/**
* MessageFlowRule.cpp
- *
- * SAML replay and freshness checking SecurityPolicyRule
+ *
+ * SAML replay and freshness checking SecurityPolicyRule.
*/
#include "internal.h"
#include "exceptions.h"
-#include "RootObject.h"
-#include "binding/MessageFlowRule.h"
+#include "binding/SecurityPolicy.h"
+#include "binding/SecurityPolicyRule.h"
-#include <xmltooling/util/NDC.h>
+#include <xmltooling/logging.h>
+#include <xmltooling/XMLToolingConfig.h>
#include <xmltooling/util/ReplayCache.h>
-#include <log4cpp/Category.hh>
+#include <xmltooling/util/XMLHelper.h>
+#include <xercesc/util/XMLUniDefs.hpp>
using namespace opensaml;
+using namespace xmltooling::logging;
using namespace xmltooling;
-using namespace log4cpp;
using namespace std;
namespace opensaml {
+ class SAML_DLLLOCAL MessageFlowRule : public SecurityPolicyRule
+ {
+ public:
+ MessageFlowRule(const DOMElement* e);
+ virtual ~MessageFlowRule() {}
+
+ const char* getType() const {
+ return MESSAGEFLOW_POLICY_RULE;
+ }
+ bool evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const;
+
+ private:
+ bool m_checkReplay;
+ time_t m_expires;
+ };
+
SecurityPolicyRule* SAML_DLLLOCAL MessageFlowRuleFactory(const DOMElement* const & e)
{
return new MessageFlowRule(e);
static const XMLCh expires[] = UNICODE_LITERAL_7(e,x,p,i,r,e,s);
MessageFlowRule::MessageFlowRule(const DOMElement* e)
- : m_checkReplay(true), m_expires(XMLToolingConfig::getConfig().clock_skew_secs)
+ : m_checkReplay(XMLHelper::getAttrBool(e, true, checkReplay)),
+ m_expires(XMLHelper::getAttrInt(e, XMLToolingConfig::getConfig().clock_skew_secs, expires))
{
- if (e) {
- const XMLCh* attr = e->getAttributeNS(NULL, checkReplay);
- if (attr && (*attr==chLatin_f || *attr==chDigit_0))
- m_checkReplay = false;
- attr = e->getAttributeNS(NULL, expires);
- if (attr)
- m_expires = XMLString::parseInt(attr);
- }
}
-pair<saml2::Issuer*,const saml2md::RoleDescriptor*> MessageFlowRule::evaluate(
- const GenericRequest& request,
- const XMLObject& message,
- const saml2md::MetadataProvider* metadataProvider,
- const QName* role,
- const opensaml::TrustEngine* trustEngine
- ) const
+bool MessageFlowRule::evaluate(const XMLObject& message, const GenericRequest* request, SecurityPolicy& policy) const
{
- try {
- const RootObject& obj = dynamic_cast<const RootObject&>(message);
- check(obj.getID(), obj.getIssueInstantEpoch());
- }
- catch (bad_cast&) {
- throw BindingException("Message was not of a recognized type.");
- }
- return pair<saml2::Issuer*,const saml2md::RoleDescriptor*>(NULL,NULL);
-}
-
-void MessageFlowRule::check(const XMLCh* id, time_t issueInstant) const
-{
- Category& log=Category::getInstance(SAML_LOGCAT".SecurityPolicyRule.MessageFlow");
+ Category& log=Category::getInstance(SAML_LOGCAT ".SecurityPolicyRule.MessageFlow");
log.debug("evaluating message flow policy (replay checking %s, expiration %lu)", m_checkReplay ? "on" : "off", m_expires);
-
+
+ time_t now = policy.getTime();
time_t skew = XMLToolingConfig::getConfig().clock_skew_secs;
- time_t now = time(NULL);
- if (issueInstant > now + skew) {
- log.error("rejected not-yet-valid message, timestamp (%lu), now (%lu)", issueInstant, now + skew);
- throw BindingException("Message rejected, was issued in the future.");
+ time_t issueInstant = policy.getIssueInstant();
+ if (issueInstant == 0) {
+ issueInstant = now;
}
- else if (issueInstant < now - skew - m_expires) {
- log.error("rejected expired message, timestamp (%lu), oldest allowed (%lu)", issueInstant, now - skew - m_expires);
- throw BindingException("Message expired, was issued too long ago.");
+ else {
+ if (issueInstant > now + skew) {
+ log.errorStream() << "rejected not-yet-valid message, timestamp (" << issueInstant <<
+ "), newest allowed (" << now + skew << ")" << logging::eol;
+ throw SecurityPolicyException("Message rejected, was issued in the future.");
+ }
+ else if (issueInstant < now - skew - m_expires) {
+ log.errorStream() << "rejected expired message, timestamp (" << issueInstant <<
+ "), oldest allowed (" << (now - skew - m_expires) << ")" << logging::eol;
+ throw SecurityPolicyException("Message expired, was issued too long ago.");
+ }
}
-
+
// Check replay.
if (m_checkReplay) {
+ const XMLCh* id = policy.getMessageID();
+ if (!id || !*id)
+ return false;
+
ReplayCache* replayCache = XMLToolingConfig::getConfig().getReplayCache();
- if (!replayCache)
- throw BindingException("No ReplayCache instance available.");
- else if (!id)
- throw BindingException("Message did not contain an identifier.");
- auto_ptr_char temp(id);
- if (!replayCache->check("SAML", temp.get(), issueInstant + skew + m_expires)) {
+ if (!replayCache) {
+ log.warn("no ReplayCache available, skipping requested replay check");
+ return false;
+ }
+
+ auto_ptr_char temp(id);
+ if (!replayCache->check("MessageFlow", temp.get(), issueInstant + skew + m_expires)) {
log.error("replay detected of message ID (%s)", temp.get());
- throw BindingException("Rejecting replayed message ID ($1).", params(1,temp.get()));
+ throw SecurityPolicyException("Rejecting replayed message ID ($1).", params(1,temp.get()));
}
+ return true;
}
+ return false;
}
projects / shibboleth / cpp-opensaml.git / blobdiff