/*
- * Copyright 2001-2007 Internet2
- *
+ * Copyright 2001-2009 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
/**
* @file saml/binding/SecurityPolicy.h
- *
+ *
* Overall policy used to verify the security of an incoming message.
*/
#ifndef __saml_secpol_h__
#define __saml_secpol_h__
-#include <saml/base.h>
+#include <saml/saml2/metadata/MetadataProvider.h>
#include <ctime>
#include <vector>
-#include <xmltooling/XMLObject.h>
#include <xmltooling/io/GenericRequest.h>
#include <xmltooling/security/TrustEngine.h>
namespace saml2 {
class SAML_API Issuer;
};
- namespace saml2md {
- class SAML_API MetadataProvider;
- class SAML_API RoleDescriptor;
- };
-
+
class SAML_API SecurityPolicyRule;
-
+
/**
* A policy used to verify the security of an incoming message.
- *
+ *
* <p>Its security mechanisms may be used to examine the transport layer
* (e.g client certificates and HTTP basic auth passwords) or to check the
* payload of a request to ensure it meets certain criteria (e.g. valid
* digital signature, freshness, replay).
- *
- * <p>Policy objects can be reused, but are not thread-safe.
+ *
+ * <p>Policy objects can be reused, but are not thread-safe.
*/
class SAML_API SecurityPolicy
{
public:
/**
* Constructor for policy.
- *
+ *
* @param metadataProvider locked MetadataProvider instance
- * @param role identifies the role (generally IdP or SP) of the policy peer
+ * @param role identifies the role (generally IdP or SP) of the policy peer
* @param trustEngine TrustEngine to authenticate policy peer
* @param validate true iff XML parsing should be done with validation
*/
const xmltooling::QName* role=NULL,
const xmltooling::TrustEngine* trustEngine=NULL,
bool validate=true
- ) : m_messageID(NULL), m_issueInstant(0), m_issuer(NULL), m_issuerRole(NULL), m_secure(false),
- m_matchingPolicy(NULL), m_metadata(metadataProvider), m_role(NULL), m_trust(trustEngine), m_validate(validate) {
- if (role)
- m_role = new xmltooling::QName(*role);
- }
+ );
virtual ~SecurityPolicy();
/**
* Returns the locked MetadataProvider supplied to the policy.
- *
+ *
* @return the supplied MetadataProvider or NULL
*/
const saml2md::MetadataProvider* getMetadataProvider() const {
}
/**
+ * Returns a reference to a MetadataProvider::Criteria instance suitable for use with the
+ * installed MetadataProvider.
+ *
+ * <p>The object will be cleared/reset when returned, so do not mutate it and then
+ * call the method again before using it.
+ *
+ * @return reference to a MetadataProvider::Criteria instance
+ */
+ virtual saml2md::MetadataProvider::Criteria& getMetadataProviderCriteria() const;
+
+ /**
* Returns the peer role element/type supplied to the policy.
- *
+ *
* @return the peer role element/type, or an empty QName
*/
const xmltooling::QName* getRole() const {
/**
* Returns the TrustEngine supplied to the policy.
- *
+ *
* @return the supplied TrustEngine or NULL
*/
const xmltooling::TrustEngine* getTrustEngine() const {
/**
* Returns XML message validation setting.
- *
+ *
* @return validation flag
*/
bool getValidating() const {
return m_validate;
- }
+ }
+
+ /**
+ * Returns flag controlling non-entity issuer support.
+ *
+ * @return flag controlling non-entity issuer support
+ */
+ bool requireEntityIssuer() const {
+ return m_entityOnly;
+ }
+
+ /**
+ * Returns the SAML audiences that represent the receiving peer.
+ *
+ * @return audience values of the peer processing the message
+ */
+ const std::vector<xmltooling::xstring>& getAudiences() const {
+ return m_audiences;
+ }
+
+ /**
+ * Returns the SAML audiences that represent the receiving peer.
+ *
+ * @return audience values of the peer processing the message
+ */
+ std::vector<xmltooling::xstring>& getAudiences() {
+ return m_audiences;
+ }
+
+ /**
+ * Gets the effective time of message processing.
+ *
+ * @return the time at which the message is being processed
+ */
+ time_t getTime() const {
+ if (m_ts == 0)
+ return m_ts = time(NULL);
+ return m_ts;
+ }
+
+ /**
+ * Returns the message identifier to which the message being evaluated
+ * is a response.
+ *
+ * @return correlated message identifier
+ */
+ const XMLCh* getCorrelationID() const {
+ return m_correlationID.c_str();
+ }
/**
* Gets a mutable array of installed policy rules.
*
* <p>If adding rules, their lifetime must be at least as long as the policy object.
- *
+ *
* @return mutable array of rules
*/
std::vector<const SecurityPolicyRule*>& getRules() {
/**
* Sets a locked MetadataProvider for the policy.
- *
+ *
* @param metadata a locked MetadataProvider or NULL
*/
void setMetadataProvider(const saml2md::MetadataProvider* metadata) {
}
/**
+ * Sets a MetadataProvider::Criteria instance suitable for use with the
+ * installed MetadataProvider.
+ *
+ * <p>The policy will take ownership of the criteria object when this
+ * method completes.
+ *
+ * @param criteria a MetadataProvider::Criteria instance, or NULL
+ */
+ void setMetadataProviderCriteria(saml2md::MetadataProvider::Criteria* criteria);
+
+ /**
* Sets a peer role element/type for to the policy.
- *
+ *
* @param role the peer role element/type or NULL
*/
void setRole(const xmltooling::QName* role) {
/**
* Sets a TrustEngine for the policy.
- *
+ *
* @param trust a TrustEngine or NULL
*/
void setTrustEngine(const xmltooling::TrustEngine* trust) {
/**
* Controls schema validation of incoming XML messages.
* This is separate from other forms of programmatic validation of objects,
- * but can detect a much wider range of syntax errors.
- *
+ * but can detect a much wider range of syntax errors.
+ *
* @param validate validation setting
*/
void setValidating(bool validate=true) {
m_validate = validate;
}
-
+
+ /**
+ * Sets flag controlling non-entity issuer support.
+ *
+ * @param entityOnly require that Issuer be in entity format
+ */
+ void requireEntityIssuer(bool entityOnly=true) {
+ m_entityOnly = entityOnly;
+ }
+
+ /**
+ * Sets effective time of message processing.
+ *
+ * <p>Assumed to be the time of policy instantiation, can be adjusted to pre- or post-date
+ * message processing.
+ *
+ * @param ts the time at which the message is being processed
+ */
+ void setTime(time_t ts) {
+ m_ts = ts;
+ }
+
+ /**
+ * Sets the message identifier to which the message being evaluated
+ * is a response.
+ *
+ * @param correlationID correlated message identifier
+ */
+ void setCorrelationID(const XMLCh* correlationID) {
+ m_correlationID.erase();
+ if (correlationID)
+ m_correlationID = correlationID;
+ }
+
/**
* Evaluates the policy against the given request and message,
* possibly populating message information in the policy object.
- *
+ *
* @param message the incoming message
* @param request the protocol request
- * @param protocol the protocol family in use
*
* @throws BindingException raised if the message/request is invalid according to the supplied rules
*/
- void evaluate(
- const xmltooling::XMLObject& message, const xmltooling::GenericRequest* request=NULL, const XMLCh* protocol=NULL
- );
+ void evaluate(const xmltooling::XMLObject& message, const xmltooling::GenericRequest* request=NULL);
/**
* Resets the policy object and/or clears any per-message state.
*
* @param messageOnly true iff security and issuer state should be left in place
*/
- void reset(bool messageOnly=false);
-
+ virtual void reset(bool messageOnly=false);
+
+ /**
+ * Resets the policy object and/or clears any per-message state for only this specific class.
+ *
+ * <p>Resets can be complete (the default) or merely clear the previous message ID and timestamp
+ * when evaluating multiple layers of a message.
+ *
+ * @param messageOnly true iff security and issuer state should be left in place
+ */
+ void _reset(bool messageOnly=false);
+
/**
* Returns the message identifier as determined by the registered policies.
- *
+ *
* @return message identifier as determined by the registered policies
*/
const XMLCh* getMessageID() const {
- return m_messageID;
+ return m_messageID.c_str();
}
/**
* Returns the message timestamp as determined by the registered policies.
- *
+ *
* @return message timestamp as determined by the registered policies
*/
time_t getIssueInstant() const {
/**
* Gets the issuer of the message as determined by the registered policies.
- *
+ *
* @return issuer of the message as determined by the registered policies
*/
const saml2::Issuer* getIssuer() const {
/**
* Gets the metadata for the role the issuer is operating in.
- *
+ *
* @return metadata for the role the issuer is operating in
*/
const saml2md::RoleDescriptor* getIssuerMetadata() const {
}
/**
- * Returns the security status as determined by the registered policies.
- *
- * @return true iff a SecurityPolicyRule has indicated the issuer/message has been authenticated
+ * Returns the authentication status of the message as determined by the registered policies.
+ *
+ * @return true iff a SecurityPolicyRule has indicated the issuer/message has been authenticated
*/
- bool isSecure() const {
- return m_secure;
+ bool isAuthenticated() const {
+ return m_authenticated;
}
/**
* Sets the message identifier as determined by the registered policies.
- *
+ *
* @param id message identifier
*/
void setMessageID(const XMLCh* id) {
- xercesc::XMLString::release(&m_messageID);
- m_messageID = xercesc::XMLString::replicate(id);
+ m_messageID.erase();
+ if (id)
+ m_messageID = id;
}
/**
* Sets the message timestamp as determined by the registered policies.
- *
+ *
* @param issueInstant message timestamp
*/
void setIssueInstant(time_t issueInstant) {
/**
* Sets the issuer of the message as determined by the registered policies.
- *
+ *
* @param issuer issuer of the message
*/
void setIssuer(const saml2::Issuer* issuer);
/**
* Sets the issuer of the message as determined by the registered policies.
- *
+ *
* @param issuer issuer of the message
*/
void setIssuer(const XMLCh* issuer);
-
+
/**
* Sets the metadata for the role the issuer is operating in.
- *
+ *
* @param issuerRole metadata for the role the issuer is operating in
*/
void setIssuerMetadata(const saml2md::RoleDescriptor* issuerRole);
/**
- * Sets the security status as determined by the registered policies.
- *
- * @param secure indicates whether the issuer/message has been authenticated
+ * Sets the authentication status of the message as determined by the registered policies.
+ *
+ * @param auth indicates whether the issuer/message has been authenticated
*/
- void setSecure(bool secure) {
- m_secure = secure;
+ void setAuthenticated(bool auth) {
+ m_authenticated = auth;
}
-
+
/** Allows override of rules for comparing saml2:Issuer information. */
class SAML_API IssuerMatchingPolicy {
MAKE_NONCOPYABLE(IssuerMatchingPolicy);
public:
IssuerMatchingPolicy() {}
virtual ~IssuerMatchingPolicy() {}
-
+
/**
* Returns true iff the two operands "match". Applications can override this method to
- * support non-standard issuer matching for complex policies.
- *
+ * support non-standard issuer matching for complex policies.
+ *
* <p>The default implementation does a basic comparison of the XML content, treating
* an unsupplied Format as an "entityID".
- *
+ *
* @param issuer1 the first Issuer to match
* @param issuer2 the second Issuer to match
* @return true iff the operands match
/**
* Returns true iff the two operands "match". Applications can override this method to
- * support non-standard issuer matching for complex policies.
- *
+ * support non-standard issuer matching for complex policies.
+ *
* <p>The default implementation does a basic comparison of the XML content, treating
* an unsupplied Format as an "entityID".
- *
+ *
* @param issuer1 the first Issuer to match
* @param issuer2 the second Issuer to match
* @return true iff the operands match
/**
* Returns the IssuerMatchingPolicy in effect.
- *
+ *
* @return the effective IssuerMatchingPolicy
*/
const IssuerMatchingPolicy& getIssuerMatchingPolicy() const {
/**
* Sets the IssuerMatchingPolicy in effect. Setting no policy will
* cause the simple, default approach to be used.
- *
+ *
* <p>The matching object will be freed by the SecurityPolicy.
- *
+ *
* @param matchingPolicy the IssuerMatchingPolicy to use
*/
void setIssuerMatchingPolicy(IssuerMatchingPolicy* matchingPolicy) {
/** A shared matching object that just supports the default matching rules. */
static IssuerMatchingPolicy m_defaultMatching;
+ /** Manufactured MetadataProvider::Criteria instance. */
+ mutable saml2md::MetadataProvider::Criteria* m_metadataCriteria;
+
private:
- // information extracted from message
- XMLCh* m_messageID;
+ // information extracted from message
+ xmltooling::xstring m_messageID;
time_t m_issueInstant;
saml2::Issuer* m_issuer;
const saml2md::RoleDescriptor* m_issuerRole;
- bool m_secure;
-
+ bool m_authenticated;
+
// components governing policy rules
IssuerMatchingPolicy* m_matchingPolicy;
std::vector<const SecurityPolicyRule*> m_rules;
xmltooling::QName* m_role;
const xmltooling::TrustEngine* m_trust;
bool m_validate;
+ bool m_entityOnly;
+
+ // contextual information
+ mutable time_t m_ts;
+ xmltooling::xstring m_correlationID;
+ std::vector<xmltooling::xstring> m_audiences;
};
};