/*
- * Copyright 2001-2006 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/binding/SecurityPolicyRule.h>
+#include <saml/saml2/metadata/MetadataProvider.h>
+
+#include <ctime>
#include <vector>
+#include <xmltooling/io/GenericRequest.h>
+#include <xmltooling/security/TrustEngine.h>
#if defined (_MSC_VER)
#pragma warning( push )
namespace opensaml {
- namespace saml2md {
- class SAML_API MetadataProvider;
+ namespace saml2 {
+ class SAML_API Issuer;
};
-
+
+ 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
{
* Constructor for policy.
*
* @param metadataProvider locked MetadataProvider instance
- * @param role identifies the role (generally IdP or SP) of the policy peer
- * @param trustEngine TrustEngine to authenticate policy peer
- */
- SecurityPolicy(
- const saml2md::MetadataProvider* metadataProvider=NULL,
- const xmltooling::QName* role=NULL,
- const xmltooling::TrustEngine* trustEngine=NULL
- ) : m_issuer(NULL), m_issuerRole(NULL), m_matchingPolicy(NULL), m_metadata(metadataProvider),
- m_role(role ? *role : xmltooling::QName()), m_trust(trustEngine) {
- }
-
- /**
- * Constructor for policy using existing rules. The lifetime of the policy rules
- * must be at least as long as the policy object.
- *
- * @param rules reference to array of policy rules to use
- * @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
*/
SecurityPolicy(
- const std::vector<const SecurityPolicyRule*>& rules,
const saml2md::MetadataProvider* metadataProvider=NULL,
const xmltooling::QName* role=NULL,
- const xmltooling::TrustEngine* trustEngine=NULL
- ) : m_issuer(NULL), m_issuerRole(NULL), m_matchingPolicy(NULL), m_rules(rules), m_metadata(metadataProvider),
- m_role(role ? *role : xmltooling::QName()), m_trust(trustEngine) {
- }
+ const xmltooling::TrustEngine* trustEngine=NULL,
+ bool validate=true
+ );
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 {
- return &m_role;
+ return m_role;
}
/**
* Returns the TrustEngine supplied to the policy.
- *
+ *
* @return the supplied TrustEngine or NULL
*/
const xmltooling::TrustEngine* getTrustEngine() const {
}
/**
- * Adds a SecurityPolicyRule to the policy. The lifetime of the policy rule
- * must be at least as long as the policy object.
- *
- * @param rule SecurityPolicyRule to add
+ * 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<const XMLCh*>& 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<const XMLCh*>& 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;
+ }
+
+ /**
+ * 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
*/
- void addRule(const SecurityPolicyRule* rule) {
- m_rules.push_back(rule);
+ std::vector<const SecurityPolicyRule*>& getRules() {
+ return m_rules;
}
/**
* 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) {
- m_role = (role ? *role : xmltooling::QName());
+ delete m_role;
+ m_role = role ? new xmltooling::QName(*role) : NULL;
}
/**
* Sets a TrustEngine for the policy.
- *
+ *
* @param trust a TrustEngine or NULL
*/
void setTrustEngine(const xmltooling::TrustEngine* trust) {
}
/**
- * Evaluates the rule against the given request and message,
- * possibly populating issuer information in the policy object.
- *
- * @param request the protocol request
+ * 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.
+ *
+ * @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 = correlationID;
+ }
+
+ /**
+ * Evaluates the policy against the given request and message,
+ * possibly populating message information in the policy object.
+ *
* @param message the incoming message
- * @return the identity of the message issuer, in one or more of two forms, or NULL
- *
- * @throws BindingException thrown if the request/message do not meet the requirements of this rule
+ * @param request the protocol request
+ *
+ * @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
+ );
+
+ /**
+ * Resets the policy object and/or clears any per-message state.
+ *
+ * <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 evaluate(const GenericRequest& request, const xmltooling::XMLObject& message);
+ 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;
+ }
+
+ /**
+ * Returns the message timestamp as determined by the registered policies.
+ *
+ * @return message timestamp as determined by the registered policies
+ */
+ time_t getIssueInstant() const {
+ return m_issueInstant;
+ }
/**
* 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 {
}
/**
- * Sets the issuer of the message as determined by external factors.
- * The policy object takes ownership of the Issuer object.
- *
+ * 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 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);
+ }
+
+ /**
+ * Sets the message timestamp as determined by the registered policies.
+ *
+ * @param issueInstant message timestamp
+ */
+ void setIssueInstant(time_t issueInstant) {
+ m_issueInstant = 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(saml2::Issuer* issuer);
-
+ 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 authentication status of the message as determined by the registered policies.
+ *
+ * @param auth indicates whether the issuer/message has been authenticated
+ */
+ 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
*/
virtual bool issuerMatches(const saml2::Issuer* issuer1, const saml2::Issuer* issuer2) const;
+
+ /**
+ * Returns true iff the two operands "match". Applications can override this method to
+ * 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
+ */
+ virtual bool issuerMatches(const saml2::Issuer* issuer1, const XMLCh* issuer2) const;
};
/**
* 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;
+ time_t m_issueInstant;
saml2::Issuer* m_issuer;
const saml2md::RoleDescriptor* m_issuerRole;
-
+ bool m_authenticated;
+
+ // components governing policy rules
IssuerMatchingPolicy* m_matchingPolicy;
std::vector<const SecurityPolicyRule*> m_rules;
const saml2md::MetadataProvider* m_metadata;
- xmltooling::QName m_role;
+ xmltooling::QName* m_role;
const xmltooling::TrustEngine* m_trust;
+ bool m_validate;
+ bool m_entityOnly;
+
+ // contextual information
+ mutable time_t m_ts;
+ const XMLCh* m_correlationID;
+ std::vector<const XMLCh*> m_audiences;
};
};
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