# include <saml/saml2/core/Assertions.h>
# include <saml/saml2/metadata/Metadata.h>
# include <saml/saml2/metadata/EndpointManager.h>
+# include <saml/saml2/profile/AssertionValidator.h>
# include <xmltooling/impl/AnyElement.h>
# include <xmltooling/validation/ValidatorSuite.h>
using namespace opensaml::saml2md;
+# ifndef min
+# define min(a,b) (((a) < (b)) ? (a) : (b))
+# endif
#endif
using namespace shibsp;
using namespace opensaml;
HTTPResponse& httpResponse,
const char* entityID,
const char* acsLocation,
+ const char* authnContextClassRef,
string& relayState
) const;
string m_appId;
string target;
const Handler* ACS=NULL;
const char* option;
+ pair<bool,const char*> acClass;
const Application& app=request.getApplication();
if (isHandler) {
// Since we're passing the ACS by value, we need to compute the return URL,
// so we'll need the target resource for real.
recoverRelayState(request.getApplication(), request, request, target, false);
+
+ if (acClass.second = request.getParameter("authnContextClassRef"))
+ acClass.first = true;
+ else
+ acClass = getString("authnContextClassRef");
}
else {
// We're running as a "virtual handler" from within the filter.
// The target resource is the current one and everything else is defaulted.
target=request.getRequestURL();
+
+ const PropertySet* settings = request.getRequestSettings().first;
+ acClass = settings->getString("authnContextClassRef");
+ if (!acClass.first)
+ acClass = getString("authnContextClassRef");
}
// Since we're not passing by index, we need to fully compute the return URL.
m_log.debug("attempting to initiate session using ADFS with provider (%s)", entityID.c_str());
if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess))
- return doRequest(app, request, entityID.c_str(), ACSloc.c_str(), target);
+ return doRequest(app, request, entityID.c_str(), ACSloc.c_str(), (acClass.first ? acClass.second : NULL), target);
// Remote the call.
DDF out,in = DDF(m_address.c_str()).structure();
in.addmember("acsLocation").string(ACSloc.c_str());
if (!target.empty())
in.addmember("RelayState").string(target.c_str());
+ if (acClass.first)
+ in.addmember("authnContextClassRef").string(acClass.second);
// Remote the processing.
out = request.getServiceProvider().getListenerService()->send(in);
// Since we're remoted, the result should either be a throw, which we pass on,
// a false/0 return, which we just return as an empty structure, or a response/redirect,
// which we capture in the facade and send back.
- doRequest(*app, *http.get(), entityID, acsLocation, relayState);
+ doRequest(*app, *http.get(), entityID, acsLocation, in["authnContextClassRef"].string(), relayState);
out << ret;
}
HTTPResponse& httpResponse,
const char* entityID,
const char* acsLocation,
+ const char* authnContextClassRef,
string& relayState
) const
{
string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignin1.0&wreply=" + urlenc->encode(acsLocation) +
"&wct=" + urlenc->encode(timebuf) + "&wtrealm=" + urlenc->encode(app.getString("entityID").second);
+ if (authnContextClassRef)
+ req += "&wauth=" + urlenc->encode(authnContextClassRef);
if (!relayState.empty())
req += "&wctx=" + urlenc->encode(relayState.c_str());
auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
janitor.release();
- if (!XMLHelper::isNodeNamed(xmlObject->getDOM(), m_ns.get(), RequestSecurityTokenResponse))
+ if (!XMLString::equals(xmlObject->getElementQName().getLocalPart(), RequestSecurityTokenResponse)) {
+ log.error("unrecognized root element on message: %s", xmlObject->getElementQName().toString().c_str());
throw BindingException("Decoded message was not of the appropriate type.");
+ }
if (!policy.getValidating())
SchemaValidators.validate(xmlObject.get());
const ElementProxy* response = dynamic_cast<const ElementProxy*>(&xmlObject);
if (!response || !response->hasChildren())
throw FatalProfileException("Incoming message was not of the proper type or contains no security token.");
- response = dynamic_cast<const ElementProxy*>(response->getUnknownXMLObjects().front());
- if (!response || !response->hasChildren())
- throw FatalProfileException("Token wrapper element did not contain a security token.");
- const saml1::Assertion* token = dynamic_cast<const saml1::Assertion*>(response->getUnknownXMLObjects().front());
- if (!token || !token->getSignature())
- throw FatalProfileException("Incoming message did not contain a signed SAML 1.1 assertion.");
-
+
+ const Assertion* token = NULL;
+ for (vector<XMLObject*>::const_iterator xo = response->getUnknownXMLObjects().begin(); xo != response->getUnknownXMLObjects().end(); ++xo) {
+ // Look for the RequestedSecurityToken element.
+ if (XMLString::equals((*xo)->getElementQName().getLocalPart(), RequestedSecurityToken)) {
+ response = dynamic_cast<const ElementProxy*>(*xo);
+ if (!response || !response->hasChildren())
+ throw FatalProfileException("Token wrapper element did not contain a security token.");
+ token = dynamic_cast<const Assertion*>(response->getUnknownXMLObjects().front());
+ if (!token || !token->getSignature())
+ throw FatalProfileException("Incoming message did not contain a signed SAML assertion.");
+ break;
+ }
+ }
+
// Extract message and issuer details from assertion.
extractMessageDetails(*token, m_protocol.get(), policy);
if (!policy.isAuthenticated())
throw SecurityPolicyException("Unable to establish security of incoming assertion.");
- const EntityDescriptor* entity = policy.getIssuerMetadata() ? dynamic_cast<const EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : NULL;
-
- // Now do profile and core semantic validation to ensure we can use it for SSO.
- // Profile validator.
time_t now = time(NULL);
- saml1::AssertionValidator ssoValidator(application.getRelyingParty(entity)->getXMLString("entityID").second, application.getAudiences(), now);
- ssoValidator.validateAssertion(*token);
- if (!token->getConditions() || !token->getConditions()->getNotBefore() || !token->getConditions()->getNotOnOrAfter())
- throw FatalProfileException("Assertion did not contain time conditions.");
- else if (token->getAuthenticationStatements().empty())
- throw FatalProfileException("Assertion did not contain an authentication statement.");
-
- // With ADFS, we only have one token, but we need to put it in a vector.
- vector<const Assertion*> tokens(1,token);
- const saml1::AuthenticationStatement* ssoStatement=token->getAuthenticationStatements().front();
-
- // authnskew allows rejection of SSO if AuthnInstant is too old.
const PropertySet* sessionProps = application.getPropertySet("Sessions");
- pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
+ const EntityDescriptor* entity = policy.getIssuerMetadata() ? dynamic_cast<const EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : NULL;
- if (authnskew.first && authnskew.second &&
- ssoStatement->getAuthenticationInstant() && (now - ssoStatement->getAuthenticationInstantEpoch() > authnskew.second))
- throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
+ saml1::NameIdentifier* saml1name=NULL;
+ saml2::NameID* saml2name=NULL;
+ const XMLCh* authMethod=NULL;
+ const XMLCh* authInstant=NULL;
+ time_t sessionExp = 0;
+
+ const saml1::Assertion* saml1token = dynamic_cast<const saml1::Assertion*>(token);
+ if (saml1token) {
+ // Now do profile and core semantic validation to ensure we can use it for SSO.
+ saml1::AssertionValidator ssoValidator(application.getRelyingParty(entity)->getXMLString("entityID").second, application.getAudiences(), now);
+ ssoValidator.validateAssertion(*saml1token);
+ if (!saml1token->getConditions() || !saml1token->getConditions()->getNotBefore() || !saml1token->getConditions()->getNotOnOrAfter())
+ throw FatalProfileException("Assertion did not contain time conditions.");
+ else if (saml1token->getAuthenticationStatements().empty())
+ throw FatalProfileException("Assertion did not contain an authentication statement.");
+
+ // authnskew allows rejection of SSO if AuthnInstant is too old.
+ pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
+
+ const saml1::AuthenticationStatement* ssoStatement=saml1token->getAuthenticationStatements().front();
+ if (authnskew.first && authnskew.second &&
+ ssoStatement->getAuthenticationInstant() && (now - ssoStatement->getAuthenticationInstantEpoch() > authnskew.second))
+ throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
+
+ // Address checking.
+ saml1::SubjectLocality* locality = ssoStatement->getSubjectLocality();
+ if (locality && locality->getIPAddress()) {
+ auto_ptr_char ip(locality->getIPAddress());
+ checkAddress(application, httpRequest, ip.get());
+ }
+
+ saml1name = ssoStatement->getSubject()->getNameIdentifier();
+ authMethod = ssoStatement->getAuthenticationMethod();
+ if (ssoStatement->getAuthenticationInstant())
+ authInstant = ssoStatement->getAuthenticationInstant()->getRawData();
- // Address checking.
- saml1::SubjectLocality* locality = ssoStatement->getSubjectLocality();
- if (locality && locality->getIPAddress()) {
- auto_ptr_char ip(locality->getIPAddress());
- checkAddress(application, httpRequest, ip.get());
+ // Session expiration.
+ pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
+ if (!lifetime.first || lifetime.second == 0)
+ lifetime.second = 28800;
+ sessionExp = now + lifetime.second;
}
+ else {
+ const saml2::Assertion* saml2token = dynamic_cast<const saml2::Assertion*>(token);
+ if (!saml2token)
+ throw FatalProfileException("Incoming message did not contain a recognized type of SAML assertion.");
+
+ // Now do profile and core semantic validation to ensure we can use it for SSO.
+ saml2::AssertionValidator ssoValidator(application.getRelyingParty(entity)->getXMLString("entityID").second, application.getAudiences(), now);
+ ssoValidator.validateAssertion(*saml2token);
+ if (!saml2token->getConditions() || !saml2token->getConditions()->getNotBefore() || !saml2token->getConditions()->getNotOnOrAfter())
+ throw FatalProfileException("Assertion did not contain time conditions.");
+ else if (saml2token->getAuthnStatements().empty())
+ throw FatalProfileException("Assertion did not contain an authentication statement.");
+
+ // authnskew allows rejection of SSO if AuthnInstant is too old.
+ pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
+
+ const saml2::AuthnStatement* ssoStatement=saml2token->getAuthnStatements().front();
+ if (authnskew.first && authnskew.second &&
+ ssoStatement->getAuthnInstant() && (now - ssoStatement->getAuthnInstantEpoch() > authnskew.second))
+ throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
+
+ // Address checking.
+ saml2::SubjectLocality* locality = ssoStatement->getSubjectLocality();
+ if (locality && locality->getAddress()) {
+ auto_ptr_char ip(locality->getAddress());
+ checkAddress(application, httpRequest, ip.get());
+ }
+ saml2name = saml2token->getSubject() ? saml2token->getSubject()->getNameID() : NULL;
+ if (ssoStatement->getAuthnContext() && ssoStatement->getAuthnContext()->getAuthnContextClassRef())
+ authMethod = ssoStatement->getAuthnContext()->getAuthnContextClassRef()->getReference();
+ if (ssoStatement->getAuthnInstant())
+ authInstant = ssoStatement->getAuthnInstant()->getRawData();
+
+ // Session expiration for SAML 2.0 is jointly IdP- and SP-driven.
+ sessionExp = ssoStatement->getSessionNotOnOrAfter() ? ssoStatement->getSessionNotOnOrAfterEpoch() : 0;
+ pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
+ if (!lifetime.first || lifetime.second == 0)
+ lifetime.second = 28800;
+ if (sessionExp == 0)
+ sessionExp = now + lifetime.second; // IdP says nothing, calulate based on SP.
+ else
+ sessionExp = min(sessionExp, now + lifetime.second); // Use the lowest.
+ }
+
m_log.debug("ADFS profile processing completed successfully");
- saml1::NameIdentifier* n = ssoStatement->getSubject()->getNameIdentifier();
-
- // Now we have to extract the authentication details for attribute and session setup.
-
- // Session expiration for ADFS is purely SP-driven, and the method is mapped to a ctx class.
- pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
- if (!lifetime.first || lifetime.second == 0)
- lifetime.second = 28800;
-
// We've successfully "accepted" the SSO token.
// To complete processing, we need to extract and resolve attributes and then create the session.
- // Normalize the SAML 1.x NameIdentifier...
- auto_ptr<saml2::NameID> nameid(n ? saml2::NameIDBuilder::buildNameID() : NULL);
- if (n) {
- nameid->setName(n->getName());
- nameid->setFormat(n->getFormat());
- nameid->setNameQualifier(n->getNameQualifier());
+ // Normalize a SAML 1.x NameIdentifier...
+ auto_ptr<saml2::NameID> nameid(saml1name ? saml2::NameIDBuilder::buildNameID() : NULL);
+ if (saml1name) {
+ nameid->setName(saml1name->getName());
+ nameid->setFormat(saml1name->getFormat());
+ nameid->setNameQualifier(saml1name->getNameQualifier());
}
// The context will handle deleting attributes and new tokens.
+ vector<const Assertion*> tokens(1,token);
auto_ptr<ResolutionContext> ctx(
resolveAttributes(
application,
policy.getIssuerMetadata(),
m_protocol.get(),
- n,
- nameid.get(),
- ssoStatement->getAuthenticationMethod(),
+ saml1name,
+ (saml1name ? nameid.get() : saml2name),
+ authMethod,
NULL,
&tokens
)
application,
httpRequest,
httpResponse,
- now + lifetime.second,
+ sessionExp,
entity,
m_protocol.get(),
- nameid.get(),
- ssoStatement->getAuthenticationInstant() ? ssoStatement->getAuthenticationInstant()->getRawData() : NULL,
+ (saml1name ? nameid.get() : saml2name),
+ authInstant,
NULL,
- ssoStatement->getAuthenticationMethod(),
+ authMethod,
NULL,
&tokens,
ctx.get() ? &ctx->getResolvedAttributes() : NULL