shibsp/handler/impl/AssertionConsumerService.cpp

   1 /**
   2  * Licensed to the University Corporation for Advanced Internet
   3  * Development, Inc. (UCAID) under one or more contributor license
   4  * agreements. See the NOTICE file distributed with this work for
   5  * additional information regarding copyright ownership.
   6  *
   7  * UCAID licenses this file to you under the Apache License,
   8  * Version 2.0 (the "License"); you may not use this file except
   9  * in compliance with the License. You may obtain a copy of the
  10  * License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing,
  15  * software distributed under the License is distributed on an
  16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
  17  * either express or implied. See the License for the specific
  18  * language governing permissions and limitations under the License.
  19  */
  20
  21 /**
  22  * AssertionConsumerService.cpp
  23  *
  24  * Base class for handlers that create sessions by consuming SSO protocol responses.
  25  */
  26
  27 #include "internal.h"
  28 #include "exceptions.h"
  29 #include "Application.h"
  30 #include "ServiceProvider.h"
  31 #include "SPRequest.h"
  32 #include "handler/AssertionConsumerService.h"
  33 #include "util/SPConstants.h"
  34
  35 # include <ctime>
  36 #ifndef SHIBSP_LITE
  37 # include "attribute/Attribute.h"
  38 # include "attribute/filtering/AttributeFilter.h"
  39 # include "attribute/filtering/BasicFilteringContext.h"
  40 # include "attribute/resolver/AttributeExtractor.h"
  41 # include "attribute/resolver/AttributeResolver.h"
  42 # include "attribute/resolver/ResolutionContext.h"
  43 # include "metadata/MetadataProviderCriteria.h"
  44 # include "security/SecurityPolicy.h"
  45 # include "security/SecurityPolicyProvider.h"
  46 # include <boost/iterator/indirect_iterator.hpp>
  47 # include <saml/exceptions.h>
  48 # include <saml/SAMLConfig.h>
  49 # include <saml/saml1/core/Assertions.h>
  50 # include <saml/saml1/core/Protocols.h>
  51 # include <saml/saml2/core/Protocols.h>
  52 # include <saml/saml2/metadata/Metadata.h>
  53 # include <saml/util/CommonDomainCookie.h>
  54 using namespace samlconstants;
  55 using opensaml::saml2md::MetadataProvider;
  56 using opensaml::saml2md::RoleDescriptor;
  57 using opensaml::saml2md::EntityDescriptor;
  58 using opensaml::saml2md::IDPSSODescriptor;
  59 using opensaml::saml2md::SPSSODescriptor;
  60 #else
  61 # include "lite/CommonDomainCookie.h"
  62 #endif
  63
  64 using namespace shibspconstants;
  65 using namespace shibsp;
  66 using namespace opensaml;
  67 using namespace xmltooling;
  68 using namespace boost;
  69 using namespace std;
  70
  71 AssertionConsumerService::AssertionConsumerService(
  72     const DOMElement* e, const char* appId, Category& log, DOMNodeFilter* filter, const map<string,string>* remapper
  73     ) : AbstractHandler(e, log, filter, remapper)
  74 {
  75     if (!e)
  76         return;
  77     string address(appId);
  78     address += getString("Location").second;
  79     setAddress(address.c_str());
  80 #ifndef SHIBSP_LITE
  81     if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
  82         m_decoder.reset(
  83             SAMLConfig::getConfig().MessageDecoderManager.newPlugin(
  84                 getString("Binding").second, pair<const DOMElement*,const XMLCh*>(e,shibspconstants::SHIB2SPCONFIG_NS)
  85                 )
  86             );
  87         m_decoder->setArtifactResolver(SPConfig::getConfig().getArtifactResolver());
  88     }
  89 #endif
  90 }
  91
  92 AssertionConsumerService::~AssertionConsumerService()
  93 {
  94 }
  95
  96 pair<bool,long> AssertionConsumerService::run(SPRequest& request, bool isHandler) const
  97 {
  98     string relayState;
  99     SPConfig& conf = SPConfig::getConfig();
 100
 101     if (conf.isEnabled(SPConfig::OutOfProcess)) {
 102         // When out of process, we run natively and directly process the message.
 103         return processMessage(request.getApplication(), request, request);
 104     }
 105     else {
 106         // When not out of process, we remote all the message processing.
 107         vector<string> headers(1, "Cookie");
 108         headers.push_back("User-Agent");
 109         headers.push_back("Accept-Language");
 110         DDF out,in = wrap(request, &headers);
 111         DDFJanitor jin(in), jout(out);
 112         out=request.getServiceProvider().getListenerService()->send(in);
 113         return unwrap(request, out);
 114     }
 115 }
 116
 117 void AssertionConsumerService::receive(DDF& in, ostream& out)
 118 {
 119     // Find application.
 120     const char* aid=in["application_id"].string();
 121     const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
 122     if (!app) {
 123         // Something's horribly wrong.
 124         m_log.error("couldn't find application (%s) for new session", aid ? aid : "(missing)");
 125         throw ConfigurationException("Unable to locate application for new session, deleted?");
 126     }
 127
 128     // Unpack the request.
 129     scoped_ptr<HTTPRequest> req(getRequest(in));
 130
 131     // Wrap a response shim.
 132     DDF ret(nullptr);
 133     DDFJanitor jout(ret);
 134     scoped_ptr<HTTPResponse> resp(getResponse(ret));
 135
 136     // Since we're remoted, the result should either be a throw, a false/0 return,
 137     // which we just return as an empty structure, or a response/redirect,
 138     // which we capture in the facade and send back.
 139     processMessage(*app, *req, *resp);
 140     out << ret;
 141 }
 142
 143 pair<bool,long> AssertionConsumerService::processMessage(
 144     const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse
 145     ) const
 146 {
 147 #ifndef SHIBSP_LITE
 148     // Locate policy key.
 149     pair<bool,const char*> policyId = getString("policyId", m_configNS.get());  // namespace-qualified if inside handler element
 150     if (!policyId.first)
 151         policyId = application.getString("policyId");   // unqualified in Application(s) element
 152
 153     // Lock metadata for use by policy.
 154     Locker metadataLocker(application.getMetadataProvider());
 155
 156     // Create the policy.
 157     scoped_ptr<opensaml::SecurityPolicy> policy(
 158         application.getServiceProvider().getSecurityPolicyProvider()->createSecurityPolicy(application, &IDPSSODescriptor::ELEMENT_QNAME, policyId.second)
 159         );
 160
 161     string relayState;
 162     bool relayStateOK = true;
 163     scoped_ptr<XMLObject> msg;
 164     try {
 165         // Decode the message and process it in a protocol-specific way.
 166         msg.reset(m_decoder->decode(relayState, httpRequest, *(policy.get())));
 167         if (!msg)
 168             throw BindingException("Failed to decode an SSO protocol response.");
 169         DDF postData = recoverPostData(application, httpRequest, httpResponse, relayState.c_str());
 170         DDFJanitor postjan(postData);
 171         recoverRelayState(application, httpRequest, httpResponse, relayState);
 172         limitRelayState(m_log, application, httpRequest, relayState.c_str());
 173         implementProtocol(application, httpRequest, httpResponse, *policy, nullptr, *msg);
 174
 175         auto_ptr_char issuer(policy->getIssuer() ? policy->getIssuer()->getName() : nullptr);
 176
 177         // History cookie.
 178         if (issuer.get() && *issuer.get())
 179             maintainHistory(application, httpRequest, httpResponse, issuer.get());
 180
 181         // Now redirect to the state value. By now, it should be set to *something* usable.
 182         // First check for POST data.
 183         if (!postData.islist()) {
 184             m_log.debug("ACS returning via redirect to: %s", relayState.c_str());
 185             return make_pair(true, httpResponse.sendRedirect(relayState.c_str()));
 186         }
 187         else {
 188             m_log.debug("ACS returning via POST to: %s", relayState.c_str());
 189             return make_pair(true, sendPostResponse(application, httpResponse, relayState.c_str(), postData));
 190         }
 191     }
 192     catch (XMLToolingException& ex) {
 193         if (relayStateOK) {
 194             // Check for isPassive error condition.
 195             const char* sc2 = ex.getProperty("statusCode2");
 196             if (sc2 && !strcmp(sc2, "urn:oasis:names:tc:SAML:2.0:status:NoPassive")) {
 197                 pair<bool,bool> ignore = getBool("ignoreNoPassive", m_configNS.get());  // namespace-qualified if inside handler element
 198                 if (ignore.first && ignore.second && !relayState.empty()) {
 199                     m_log.debug("ignoring SAML status of NoPassive and redirecting to resource...");
 200                     return make_pair(true, httpResponse.sendRedirect(relayState.c_str()));
 201                 }
 202             }
 203         }
 204         if (!relayState.empty())
 205             ex.addProperty("RelayState", relayState.c_str());
 206
 207         // Log the error.
 208         try {
 209             scoped_ptr<TransactionLog::Event> event(SPConfig::getConfig().EventManager.newPlugin(LOGIN_EVENT, nullptr));
 210             LoginEvent* error_event = dynamic_cast<LoginEvent*>(event.get());
 211             if (error_event) {
 212                 error_event->m_exception = &ex;
 213                 error_event->m_request = &httpRequest;
 214                 error_event->m_app = &application;
 215                 if (policy->getIssuerMetadata())
 216                     error_event->m_peer = dynamic_cast<const EntityDescriptor*>(policy->getIssuerMetadata()->getParent());
 217                 auto_ptr_char prot(getProtocolFamily());
 218                 error_event->m_protocol = prot.get();
 219                 error_event->m_binding = getString("Binding").second;
 220                 error_event->m_saml2Response = dynamic_cast<const saml2p::StatusResponseType*>(msg.get());
 221                 if (!error_event->m_saml2Response)
 222                     error_event->m_saml1Response = dynamic_cast<const saml1p::Response*>(msg.get());
 223                 application.getServiceProvider().getTransactionLog()->write(*error_event);
 224             }
 225             else {
 226                 m_log.warn("unable to audit event, log event object was of an incorrect type");
 227             }
 228         }
 229         catch (std::exception& ex) {
 230             m_log.warn("exception auditing event: %s", ex.what());
 231         }
 232
 233         throw;
 234     }
 235 #else
 236     throw ConfigurationException("Cannot process message using lite version of shibsp library.");
 237 #endif
 238 }
 239
 240 void AssertionConsumerService::checkAddress(const Application& application, const HTTPRequest& httpRequest, const char* issuedTo) const
 241 {
 242     if (!issuedTo || !*issuedTo)
 243         return;
 244
 245     const PropertySet* props = application.getPropertySet("Sessions");
 246     pair<bool,bool> checkAddress = props ? props->getBool("checkAddress") : make_pair(false,true);
 247     if (!checkAddress.first)
 248         checkAddress.second = true;
 249
 250     if (checkAddress.second) {
 251         m_log.debug("checking client address");
 252         if (httpRequest.getRemoteAddr() != issuedTo) {
 253             throw FatalProfileException(
 254                "Your client's current address ($client_addr) differs from the one used when you authenticated "
 255                 "to your identity provider. To correct this problem, you may need to bypass a proxy server. "
 256                 "Please contact your local support staff or help desk for assistance.",
 257                 namedparams(1, "client_addr", httpRequest.getRemoteAddr().c_str())
 258                 );
 259         }
 260     }
 261 }
 262
 263 #ifndef SHIBSP_LITE
 264
 265 const XMLCh* AssertionConsumerService::getProtocolFamily() const
 266 {
 267     return m_decoder ? m_decoder->getProtocolFamily() : nullptr;
 268 }
 269
 270 const char* AssertionConsumerService::getType() const
 271 {
 272     return "AssertionConsumerService";
 273 }
 274
 275 void AssertionConsumerService::generateMetadata(SPSSODescriptor& role, const char* handlerURL) const
 276 {
 277     // Initial guess at index to use.
 278     pair<bool,unsigned int> ix = pair<bool,unsigned int>(false,0);
 279     if (!strncmp(handlerURL, "https", 5))
 280         ix = getUnsignedInt("sslIndex", shibspconstants::ASCII_SHIB2SPCONFIG_NS);
 281     if (!ix.first)
 282         ix = getUnsignedInt("index");
 283     if (!ix.first)
 284         ix.second = 1;
 285
 286     // Find maximum index in use and go one higher.
 287     const vector<saml2md::AssertionConsumerService*>& services = const_cast<const SPSSODescriptor&>(role).getAssertionConsumerServices();
 288     if (!services.empty() && ix.second <= services.back()->getIndex().second)
 289         ix.second = services.back()->getIndex().second + 1;
 290
 291     const char* loc = getString("Location").second;
 292     string hurl(handlerURL);
 293     if (*loc != '/')
 294         hurl += '/';
 295     hurl += loc;
 296     auto_ptr_XMLCh widen(hurl.c_str());
 297
 298     saml2md::AssertionConsumerService* ep = saml2md::AssertionConsumerServiceBuilder::buildAssertionConsumerService();
 299     ep->setLocation(widen.get());
 300     ep->setBinding(getXMLString("Binding").second);
 301     ep->setIndex(ix.second);
 302     role.getAssertionConsumerServices().push_back(ep);
 303 }
 304
 305 opensaml::SecurityPolicy* AssertionConsumerService::createSecurityPolicy(
 306     const Application& application, const xmltooling::QName* role, bool validate, const char* policyId
 307     ) const
 308 {
 309     return new SecurityPolicy(application, role, validate, policyId);
 310 }
 311
 312 class SHIBSP_DLLLOCAL DummyContext : public ResolutionContext
 313 {
 314 public:
 315     DummyContext(const vector<Attribute*>& attributes) : m_attributes(attributes) {
 316     }
 317
 318     virtual ~DummyContext() {
 319         for_each(m_attributes.begin(), m_attributes.end(), xmltooling::cleanup<Attribute>());
 320     }
 321
 322     vector<Attribute*>& getResolvedAttributes() {
 323         return m_attributes;
 324     }
 325     vector<Assertion*>& getResolvedAssertions() {
 326         return m_tokens;
 327     }
 328
 329 private:
 330     vector<Attribute*> m_attributes;
 331     static vector<Assertion*> m_tokens; // never any tokens, so just share an empty vector
 332 };
 333
 334 vector<Assertion*> DummyContext::m_tokens;
 335
 336 ResolutionContext* AssertionConsumerService::resolveAttributes(
 337     const Application& application,
 338     const saml2md::RoleDescriptor* issuer,
 339     const XMLCh* protocol,
 340     const saml1::NameIdentifier* v1nameid,
 341     const saml2::NameID* nameid,
 342     const XMLCh* authncontext_class,
 343     const XMLCh* authncontext_decl,
 344     const vector<const Assertion*>* tokens
 345     ) const
 346 {
 347     return resolveAttributes(
 348         application,
 349         nullptr,
 350         issuer,
 351         protocol,
 352         v1nameid,
 353         nullptr,
 354         nameid,
 355         nullptr,
 356         authncontext_class,
 357         authncontext_decl,
 358         tokens
 359         );
 360 }
 361
 362 ResolutionContext* AssertionConsumerService::resolveAttributes(
 363     const Application& application,
 364     const GenericRequest* request,
 365     const saml2md::RoleDescriptor* issuer,
 366     const XMLCh* protocol,
 367     const saml1::NameIdentifier* v1nameid,
 368     const saml1::AuthenticationStatement* v1statement,
 369     const saml2::NameID* nameid,
 370     const saml2::AuthnStatement* statement,
 371     const XMLCh* authncontext_class,
 372     const XMLCh* authncontext_decl,
 373     const vector<const Assertion*>* tokens
 374     ) const
 375 {
 376     // First we do the extraction of any pushed information, including from metadata.
 377     vector<Attribute*> resolvedAttributes;
 378     AttributeExtractor* extractor = application.getAttributeExtractor();
 379     if (extractor) {
 380         Locker extlocker(extractor);
 381         if (issuer) {
 382             pair<bool,const char*> mprefix = application.getString("metadataAttributePrefix");
 383             if (mprefix.first) {
 384                 m_log.debug("extracting metadata-derived attributes...");
 385                 try {
 386                     // We pass nullptr for "issuer" because the IdP isn't the one asserting metadata-based attributes.
 387                     extractor->extractAttributes(application, request, nullptr, *issuer, resolvedAttributes);
 388                     for (indirect_iterator<vector<Attribute*>::iterator> a = make_indirect_iterator(resolvedAttributes.begin());
 389                             a != make_indirect_iterator(resolvedAttributes.end()); ++a) {
 390                         vector<string>& ids = a->getAliases();
 391                         for (vector<string>::iterator id = ids.begin(); id != ids.end(); ++id)
 392                             *id = mprefix.second + *id;
 393                     }
 394                 }
 395                 catch (std::exception& ex) {
 396                     m_log.error("caught exception extracting attributes: %s", ex.what());
 397                 }
 398             }
 399         }
 400
 401         m_log.debug("extracting pushed attributes...");
 402
 403         if (v1nameid || nameid) {
 404             try {
 405                 if (v1nameid)
 406                     extractor->extractAttributes(application, request, issuer, *v1nameid, resolvedAttributes);
 407                 else
 408                     extractor->extractAttributes(application, request, issuer, *nameid, resolvedAttributes);
 409             }
 410             catch (std::exception& ex) {
 411                 m_log.error("caught exception extracting attributes: %s", ex.what());
 412             }
 413         }
 414
 415         if (v1statement || statement) {
 416             try {
 417                 if (v1statement)
 418                     extractor->extractAttributes(application, request, issuer, *v1statement, resolvedAttributes);
 419                 else
 420                     extractor->extractAttributes(application, request, issuer, *statement, resolvedAttributes);
 421             }
 422             catch (std::exception& ex) {
 423                 m_log.error("caught exception extracting attributes: %s", ex.what());
 424             }
 425         }
 426
 427         if (tokens) {
 428             for (indirect_iterator<vector<const Assertion*>::const_iterator> t = make_indirect_iterator(tokens->begin());
 429                     t != make_indirect_iterator(tokens->end()); ++t) {
 430                 try {
 431                     extractor->extractAttributes(application, request, issuer, *t, resolvedAttributes);
 432                 }
 433                 catch (std::exception& ex) {
 434                     m_log.error("caught exception extracting attributes: %s", ex.what());
 435                 }
 436             }
 437         }
 438
 439         AttributeFilter* filter = application.getAttributeFilter();
 440         if (filter && !resolvedAttributes.empty()) {
 441             BasicFilteringContext fc(application, resolvedAttributes, issuer, authncontext_class);
 442             Locker filtlocker(filter);
 443             try {
 444                 filter->filterAttributes(fc, resolvedAttributes);
 445             }
 446             catch (std::exception& ex) {
 447                 m_log.error("caught exception filtering attributes: %s", ex.what());
 448                 m_log.error("dumping extracted attributes due to filtering exception");
 449                 for_each(resolvedAttributes.begin(), resolvedAttributes.end(), xmltooling::cleanup<shibsp::Attribute>());
 450                 resolvedAttributes.clear();
 451             }
 452         }
 453     }
 454     else {
 455         m_log.warn("no AttributeExtractor plugin installed, check log during startup");
 456     }
 457
 458     try {
 459         AttributeResolver* resolver = application.getAttributeResolver();
 460         if (resolver) {
 461             m_log.debug("resolving attributes...");
 462
 463             Locker locker(resolver);
 464             auto_ptr<ResolutionContext> ctx(
 465                 resolver->createResolutionContext(
 466                     application,
 467                     issuer ? dynamic_cast<const saml2md::EntityDescriptor*>(issuer->getParent()) : nullptr,
 468                     protocol,
 469                     nameid,
 470                     authncontext_class,
 471                     authncontext_decl,
 472                     tokens,
 473                     &resolvedAttributes
 474                     )
 475                 );
 476             resolver->resolveAttributes(*ctx);
 477             // Copy over any pushed attributes.
 478             while (!resolvedAttributes.empty()) {
 479                 ctx->getResolvedAttributes().push_back(resolvedAttributes.back());
 480                 resolvedAttributes.pop_back();
 481             }
 482             return ctx.release();
 483         }
 484     }
 485     catch (std::exception& ex) {
 486         m_log.error("attribute resolution failed: %s", ex.what());
 487     }
 488
 489     if (!resolvedAttributes.empty()) {
 490         try {
 491             return new DummyContext(resolvedAttributes);
 492         }
 493         catch (bad_alloc&) {
 494             for_each(resolvedAttributes.begin(), resolvedAttributes.end(), xmltooling::cleanup<shibsp::Attribute>());
 495         }
 496     }
 497     return nullptr;
 498 }
 499
 500 void AssertionConsumerService::extractMessageDetails(const Assertion& assertion, const XMLCh* protocol, opensaml::SecurityPolicy& policy) const
 501 {
 502     policy.setMessageID(assertion.getID());
 503     policy.setIssueInstant(assertion.getIssueInstantEpoch());
 504
 505     if (XMLString::equals(assertion.getElementQName().getNamespaceURI(), samlconstants::SAML20_NS)) {
 506         const saml2::Assertion* a2 = dynamic_cast<const saml2::Assertion*>(&assertion);
 507         if (a2) {
 508             m_log.debug("extracting issuer from SAML 2.0 assertion");
 509             policy.setIssuer(a2->getIssuer());
 510         }
 511     }
 512     else {
 513         const saml1::Assertion* a1 = dynamic_cast<const saml1::Assertion*>(&assertion);
 514         if (a1) {
 515             m_log.debug("extracting issuer from SAML 1.x assertion");
 516             policy.setIssuer(a1->getIssuer());
 517         }
 518     }
 519
 520     if (policy.getIssuer() && !policy.getIssuerMetadata() && policy.getMetadataProvider()) {
 521         if (policy.getIssuer()->getFormat() && !XMLString::equals(policy.getIssuer()->getFormat(), saml2::NameIDType::ENTITY)) {
 522             m_log.warn("non-system entity issuer, skipping metadata lookup");
 523             return;
 524         }
 525         m_log.debug("searching metadata for assertion issuer...");
 526         pair<const EntityDescriptor*,const RoleDescriptor*> entity;
 527         MetadataProvider::Criteria& mc = policy.getMetadataProviderCriteria();
 528         mc.entityID_unicode = policy.getIssuer()->getName();
 529         mc.role = &IDPSSODescriptor::ELEMENT_QNAME;
 530         mc.protocol = protocol;
 531         entity = policy.getMetadataProvider()->getEntityDescriptor(mc);
 532         if (!entity.first) {
 533             auto_ptr_char iname(policy.getIssuer()->getName());
 534             m_log.warn("no metadata found, can't establish identity of issuer (%s)", iname.get());
 535         }
 536         else if (!entity.second) {
 537             m_log.warn("unable to find compatible IdP role in metadata");
 538         }
 539         else {
 540             policy.setIssuerMetadata(entity.second);
 541         }
 542     }
 543 }
 544
 545 LoginEvent* AssertionConsumerService::newLoginEvent(const Application& application, const xmltooling::HTTPRequest& request) const
 546 {
 547     if (!SPConfig::getConfig().isEnabled(SPConfig::Logging))
 548         return nullptr;
 549     try {
 550         auto_ptr<TransactionLog::Event> event(SPConfig::getConfig().EventManager.newPlugin(LOGIN_EVENT, nullptr));
 551         LoginEvent* login_event = dynamic_cast<LoginEvent*>(event.get());
 552         if (login_event) {
 553             login_event->m_request = &request;
 554             login_event->m_app = &application;
 555             login_event->m_binding = getString("Binding").second;
 556             event.release();
 557             return login_event;
 558         }
 559         else {
 560             m_log.warn("unable to audit event, log event object was of an incorrect type");
 561         }
 562     }
 563     catch (std::exception& ex) {
 564         m_log.warn("exception auditing event: %s", ex.what());
 565     }
 566     return nullptr;
 567 }
 568
 569 #endif
 570
 571 void AssertionConsumerService::maintainHistory(
 572     const Application& application, const HTTPRequest& request, HTTPResponse& response, const char* entityID
 573     ) const
 574 {
 575     static const char* defProps="; path=/";
 576
 577     const PropertySet* sessionProps=application.getPropertySet("Sessions");
 578     pair<bool,bool> idpHistory=sessionProps->getBool("idpHistory");
 579
 580     if (idpHistory.first && idpHistory.second) {
 581         pair<bool,const char*> cookieProps=sessionProps->getString("idpHistoryProps");
 582         if (!cookieProps.first)
 583             cookieProps=sessionProps->getString("cookieProps");
 584         if (!cookieProps.first)
 585             cookieProps.second=defProps;
 586
 587         // Set an IdP history cookie locally (essentially just a CDC).
 588         CommonDomainCookie cdc(request.getCookie(CommonDomainCookie::CDCName));
 589
 590         // Either leave in memory or set an expiration.
 591         pair<bool,unsigned int> days=sessionProps->getUnsignedInt("idpHistoryDays");
 592         if (!days.first || days.second==0) {
 593             string c = string(cdc.set(entityID)) + cookieProps.second;
 594             response.setCookie(CommonDomainCookie::CDCName, c.c_str());
 595         }
 596         else {
 597             time_t now=time(nullptr) + (days.second * 24 * 60 * 60);
 598 #ifdef HAVE_GMTIME_R
 599             struct tm res;
 600             struct tm* ptime=gmtime_r(&now,&res);
 601 #else
 602             struct tm* ptime=gmtime(&now);
 603 #endif
 604             char timebuf[64];
 605             strftime(timebuf,64,"%a, %d %b %Y %H:%M:%S GMT",ptime);
 606             string c = string(cdc.set(entityID)) + cookieProps.second + "; expires=" + timebuf;
 607             response.setCookie(CommonDomainCookie::CDCName, c.c_str());
 608         }
 609     }
 610 }