shib-target/shib-ini.cpp

   1 /*
   2  *  Copyright 2001-2005 Internet2
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 /*
  18  * shib-ini.h -- config file handling, now XML-based
  19  *
  20  * $Id$
  21  */
  22
  23 #include "internal.h"
  24
  25 #include <sys/types.h>
  26 #include <sys/stat.h>
  27 #include <log4cpp/Category.hh>
  28 #include <log4cpp/PropertyConfigurator.hh>
  29 #include <shibsp/DOMPropertySet.h>
  30 #include <shibsp/PKIXTrustEngine.h>
  31 #include <shibsp/SPConfig.h>
  32 #include <shibsp/SPConstants.h>
  33 #include <saml/SAMLConfig.h>
  34 #include <saml/saml1/core/Assertions.h>
  35 #include <saml/saml2/metadata/ChainingMetadataProvider.h>
  36 #include <xmltooling/XMLToolingConfig.h>
  37 #include <xmltooling/security/ChainingTrustEngine.h>
  38
  39 using namespace shibsp;
  40 using namespace shibtarget;
  41 using namespace shibboleth;
  42 using namespace saml;
  43 using namespace opensaml::saml1;
  44 using namespace opensaml::saml2md;
  45 using namespace xmltooling;
  46 using namespace log4cpp;
  47 using namespace std;
  48
  49 namespace shibtarget {
  50
  51     // Application configuration wrapper
  52     class XMLApplication : public virtual IApplication, public DOMPropertySet, public DOMNodeFilter
  53     {
  54     public:
  55         XMLApplication(const IConfig*, const Iterator<ICredentials*>& creds, const DOMElement* e, const XMLApplication* base=NULL);
  56         ~XMLApplication() { cleanup(); }
  57
  58         // PropertySet
  59         pair<bool,bool> getBool(const char* name, const char* ns=NULL) const;
  60         pair<bool,const char*> getString(const char* name, const char* ns=NULL) const;
  61         pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const;
  62         pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
  63         pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
  64         const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:target:config:1.0") const;
  65
  66         // IApplication
  67         const char* getId() const {return getString("id").second;}
  68         const char* getHash() const {return m_hash.c_str();}
  69         Iterator<SAMLAttributeDesignator*> getAttributeDesignators() const;
  70         Iterator<IAAP*> getAAPProviders() const;
  71         MetadataProvider* getMetadataProvider() const;
  72         TrustEngine* getTrustEngine() const;
  73         Iterator<const XMLCh*> getAudiences() const;
  74         const PropertySet* getCredentialUse(const EntityDescriptor* provider) const;
  75
  76         const SAMLBrowserProfile* getBrowserProfile() const {return m_profile;}
  77         const SAMLBinding* getBinding(const XMLCh* binding) const
  78             {return XMLString::compareString(SAMLBinding::SOAP,binding) ? NULL : m_binding;}
  79         SAMLBrowserProfile::ArtifactMapper* getArtifactMapper() const {return new STArtifactMapper(this);}
  80         void validateToken(
  81             SAMLAssertion* token,
  82             time_t t=0,
  83             const RoleDescriptor* role=NULL,
  84             const TrustEngine* trust=NULL
  85             ) const;
  86         const IHandler* getDefaultSessionInitiator() const;
  87         const IHandler* getSessionInitiatorById(const char* id) const;
  88         const IHandler* getDefaultAssertionConsumerService() const;
  89         const IHandler* getAssertionConsumerServiceByIndex(unsigned short index) const;
  90         Iterator<const IHandler*> getAssertionConsumerServicesByBinding(const XMLCh* binding) const;
  91         const IHandler* getHandler(const char* path) const;
  92
  93         // Provides filter to exclude special config elements.
  94         short acceptNode(const DOMNode* node) const;
  95
  96     private:
  97         void cleanup();
  98         const IConfig* m_ini;   // this is ok because its locking scope includes us
  99         const XMLApplication* m_base;
 100         string m_hash;
 101         vector<SAMLAttributeDesignator*> m_designators;
 102         vector<IAAP*> m_aaps;
 103         MetadataProvider* m_metadata;
 104         TrustEngine* m_trust;
 105         vector<const XMLCh*> m_audiences;
 106         ShibBrowserProfile* m_profile;
 107         SAMLBinding* m_binding;
 108         ShibHTTPHook* m_bindingHook;
 109
 110         // vectors manage object life for handlers and their property sets
 111         vector<IHandler*> m_handlers;
 112         vector<PropertySet*> m_handlerProps;
 113
 114         // maps location (path info) to applicable handlers
 115         map<string,const IHandler*> m_handlerMap;
 116
 117         // maps unique indexes to consumer services
 118         map<unsigned int,const IHandler*> m_acsIndexMap;
 119
 120         // pointer to default consumer service
 121         const IHandler* m_acsDefault;
 122
 123         // maps binding strings to supporting consumer service(s)
 124 #ifdef HAVE_GOOD_STL
 125         typedef map<xmltooling::xstring,vector<const IHandler*> > ACSBindingMap;
 126 #else
 127         typedef map<string,vector<const IHandler*> > ACSBindingMap;
 128 #endif
 129         ACSBindingMap m_acsBindingMap;
 130
 131         // maps unique ID strings to session initiators
 132         map<string,const IHandler*> m_sessionInitMap;
 133
 134         // pointer to default session initiator
 135         const IHandler* m_sessionInitDefault;
 136
 137         DOMPropertySet* m_credDefault;
 138 #ifdef HAVE_GOOD_STL
 139         map<xmltooling::xstring,PropertySet*> m_credMap;
 140 #else
 141         map<const XMLCh*,PropertySet*> m_credMap;
 142 #endif
 143     };
 144
 145     // Top-level configuration implementation
 146     class XMLConfig;
 147     class XMLConfigImpl : public ReloadableXMLFileImpl, public DOMPropertySet, public DOMNodeFilter
 148     {
 149     public:
 150         XMLConfigImpl(const char* pathname, bool first, const XMLConfig* outer)
 151             : ReloadableXMLFileImpl(pathname), m_outer(outer), m_requestMapper(NULL) { init(first); }
 152         XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer)
 153             : ReloadableXMLFileImpl(e), m_outer(outer), m_requestMapper(NULL) { init(first); }
 154         ~XMLConfigImpl();
 155
 156         IRequestMapper* m_requestMapper;
 157         map<string,IApplication*> m_appmap;
 158         vector<ICredentials*> m_creds;
 159         vector<IAttributeFactory*> m_attrFactories;
 160
 161         // Provides filter to exclude special config elements.
 162         short acceptNode(const DOMNode* node) const;
 163
 164     private:
 165         void init(bool first);
 166         const XMLConfig* m_outer;
 167     };
 168
 169     class XMLConfig : public IConfig, public ReloadableXMLFile
 170     {
 171     public:
 172         XMLConfig(const DOMElement* e) : ReloadableXMLFile(e), m_listener(NULL), m_sessionCache(NULL), m_replayCache(NULL) {}
 173         ~XMLConfig() {
 174             delete m_impl;
 175             m_impl=NULL;
 176             delete m_sessionCache;
 177             m_sessionCache=NULL;
 178             delete m_replayCache;
 179             m_replayCache=NULL;
 180             delete m_listener;
 181             m_listener=NULL;
 182         }
 183
 184         void init() { getImplementation(); }
 185
 186         // PropertySet
 187         pair<bool,bool> getBool(const char* name, const char* ns=NULL) const {return static_cast<XMLConfigImpl*>(m_impl)->getBool(name,ns);}
 188         pair<bool,const char*> getString(const char* name, const char* ns=NULL) const {return static_cast<XMLConfigImpl*>(m_impl)->getString(name,ns);}
 189         pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const {return static_cast<XMLConfigImpl*>(m_impl)->getXMLString(name,ns);}
 190         pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const {return static_cast<XMLConfigImpl*>(m_impl)->getUnsignedInt(name,ns);}
 191         pair<bool,int> getInt(const char* name, const char* ns=NULL) const {return static_cast<XMLConfigImpl*>(m_impl)->getInt(name,ns);}
 192         const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:target:config:1.0") const {return static_cast<XMLConfigImpl*>(m_impl)->getPropertySet(name,ns);}
 193         const DOMElement* getElement() const {return static_cast<XMLConfigImpl*>(m_impl)->getElement();}
 194
 195         // IConfig
 196         ListenerService* getListener() const {return m_listener;}
 197         ISessionCache* getSessionCache() const {return m_sessionCache;}
 198         IReplayCache* getReplayCache() const {return m_replayCache;}
 199         IRequestMapper* getRequestMapper() const {return static_cast<XMLConfigImpl*>(m_impl)->m_requestMapper;}
 200         const IApplication* getApplication(const char* applicationId) const {
 201             map<string,IApplication*>::const_iterator i=static_cast<XMLConfigImpl*>(m_impl)->m_appmap.find(applicationId);
 202             return (i!=static_cast<XMLConfigImpl*>(m_impl)->m_appmap.end()) ? i->second : NULL;
 203         }
 204         Iterator<ICredentials*> getCredentialsProviders() const {return static_cast<XMLConfigImpl*>(m_impl)->m_creds;}
 205
 206     protected:
 207         virtual ReloadableXMLFileImpl* newImplementation(const char* pathname, bool first=true) const;
 208         virtual ReloadableXMLFileImpl* newImplementation(const DOMElement* e, bool first=true) const;
 209
 210     private:
 211         friend class XMLConfigImpl;
 212         mutable ListenerService* m_listener;
 213         mutable ISessionCache* m_sessionCache;
 214         mutable IReplayCache* m_replayCache;
 215     };
 216 }
 217
 218 IConfig* STConfig::ShibTargetConfigFactory(const DOMElement* e)
 219 {
 220     return new XMLConfig(e);
 221 }
 222
 223 XMLApplication::XMLApplication(
 224     const IConfig* ini,
 225     const Iterator<ICredentials*>& creds,
 226     const DOMElement* e,
 227     const XMLApplication* base
 228     ) : m_ini(ini), m_base(base), m_metadata(NULL), m_trust(NULL), m_profile(NULL), m_binding(NULL), m_bindingHook(NULL),
 229         m_credDefault(NULL), m_sessionInitDefault(NULL), m_acsDefault(NULL)
 230 {
 231 #ifdef _DEBUG
 232     xmltooling::NDC ndc("XMLApplication");
 233 #endif
 234     Category& log=Category::getInstance("shibtarget.XMLApplication");
 235
 236     try {
 237         // First load any property sets.
 238         map<string,string> root_remap;
 239         root_remap["shire"]="session";
 240         root_remap["shireURL"]="handlerURL";
 241         root_remap["shireSSL"]="handlerSSL";
 242         load(e,log,this,&root_remap);
 243         const PropertySet* propcheck=getPropertySet("Errors");
 244         if (propcheck && !propcheck->getString("session").first)
 245             throw ConfigurationException("<Errors> element requires 'session' (or deprecated 'shire') attribute");
 246         propcheck=getPropertySet("Sessions");
 247         if (propcheck && !propcheck->getString("handlerURL").first)
 248             throw ConfigurationException("<Sessions> element requires 'handlerURL' (or deprecated 'shireURL') attribute");
 249
 250         m_hash=getId();
 251         m_hash+=getString("providerId").second;
 252         m_hash=SAMLArtifact::toHex(SAMLArtifactType0001::generateSourceId(m_hash.c_str()));
 253
 254         SPConfig& conf=SPConfig::getConfig();
 255         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
 256         opensaml::SAMLConfig& samlConf=opensaml::SAMLConfig::getConfig();
 257         SAMLConfig& shibConf=SAMLConfig::getConfig();
 258
 259         // Process handlers.
 260         bool hardACS=false, hardSessionInit=false;
 261         DOMElement* handler=saml::XML::getFirstChildElement(propcheck->getElement());
 262         while (handler) {
 263             // A handler is split across a property set and the plugin itself, which is based on the Binding property.
 264             // We build both objects first and then insert them into various structures for lookup.
 265             IHandler* hobj=NULL;
 266             DOMPropertySet* hprops=new DOMPropertySet();
 267             try {
 268                 hprops->load(handler,log,this); // filter irrelevant for now, no embedded elements expected
 269                 const char* bindprop=hprops->getString("Binding").second;
 270                 if (!bindprop)
 271                     throw ConfigurationException("Handler element has no Binding attribute, skipping it...");
 272                 IPlugIn* hplug=shibConf.getPlugMgr().newPlugin(bindprop,handler);
 273                 hobj=dynamic_cast<IHandler*>(hplug);
 274                 if (!hobj) {
 275                     delete hplug;
 276                     throw UnsupportedExtensionException(
 277                         "Plugin for binding ($1) does not implement IHandler interface.",saml::params(1,bindprop)
 278                         );
 279                 }
 280             }
 281             catch (exception& ex) {
 282                 // If we get here, the handler's not built, so dispose of the property set.
 283                 log.error("caught exception processing a handler element: %s",ex.what());
 284                 delete hprops;
 285                 hprops=NULL;
 286             }
 287
 288             const char* location=hprops ? hprops->getString("Location").second : NULL;
 289             if (!location) {
 290                 delete hprops;
 291                 hprops=NULL;
 292                 handler=saml::XML::getNextSiblingElement(handler);
 293                 continue;
 294             }
 295
 296             // Save off the objects after giving the property set to the handler for its use.
 297             hobj->setProperties(hprops);
 298             m_handlers.push_back(hobj);
 299             m_handlerProps.push_back(hprops);
 300
 301             // Insert into location map.
 302             if (*location == '/')
 303                 m_handlerMap[location]=hobj;
 304             else
 305                 m_handlerMap[string("/") + location]=hobj;
 306
 307             // If it's an ACS or SI, handle index/id mappings and defaulting.
 308             if (saml::XML::isElementNamed(handler,shibtarget::XML::SAML2META_NS,SHIBT_L(AssertionConsumerService))) {
 309                 // Map it.
 310 #ifdef HAVE_GOOD_STL
 311                 const XMLCh* binding=hprops->getXMLString("Binding").second;
 312 #else
 313                 const char* binding=hprops->getString("Binding").second;
 314 #endif
 315                 if (m_acsBindingMap.count(binding)==0)
 316                     m_acsBindingMap[binding]=vector<const IHandler*>(1,hobj);
 317                 else
 318                     m_acsBindingMap[binding].push_back(hobj);
 319                 m_acsIndexMap[hprops->getUnsignedInt("index").second]=hobj;
 320
 321                 if (!hardACS) {
 322                     pair<bool,bool> defprop=hprops->getBool("isDefault");
 323                     if (defprop.first) {
 324                         if (defprop.second) {
 325                             hardACS=true;
 326                             m_acsDefault=hobj;
 327                         }
 328                     }
 329                     else if (!m_acsDefault)
 330                         m_acsDefault=hobj;
 331                 }
 332             }
 333             else if (saml::XML::isElementNamed(handler,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(SessionInitiator))) {
 334                 pair<bool,const char*> si_id=hprops->getString("id");
 335                 if (si_id.first && si_id.second)
 336                     m_sessionInitMap[si_id.second]=hobj;
 337                 if (!hardSessionInit) {
 338                     pair<bool,bool> defprop=hprops->getBool("isDefault");
 339                     if (defprop.first) {
 340                         if (defprop.second) {
 341                             hardSessionInit=true;
 342                             m_sessionInitDefault=hobj;
 343                         }
 344                     }
 345                     else if (!m_sessionInitDefault)
 346                         m_sessionInitDefault=hobj;
 347                 }
 348             }
 349             handler=saml::XML::getNextSiblingElement(handler);
 350         }
 351
 352         // If no handlers defined at the root, assume a legacy configuration.
 353         if (!m_base && m_handlers.empty()) {
 354             // A legacy config installs a SAML POST handler at the root handler location.
 355             // We use the Sessions element itself as the PropertySet.
 356
 357             xmltooling::auto_ptr_char b1(shibspconstants::SHIB1_SESSIONINIT_PROFILE_URI);
 358             IPlugIn* hplug=shibConf.getPlugMgr().newPlugin(b1.get(),propcheck->getElement());
 359             IHandler* h1=dynamic_cast<IHandler*>(hplug);
 360             if (!h1) {
 361                 delete hplug;
 362                 throw UnsupportedExtensionException(
 363                     "Plugin for binding ($1) does not implement IHandler interface.",saml::params(1,b1.get())
 364                     );
 365             }
 366             h1->setProperties(propcheck);
 367             m_handlers.push_back(h1);
 368             m_sessionInitDefault=h1;
 369
 370             xmltooling::auto_ptr_char b2(SAMLBrowserProfile::BROWSER_POST);
 371             hplug=shibConf.getPlugMgr().newPlugin(b2.get(),propcheck->getElement());
 372             IHandler* h2=dynamic_cast<IHandler*>(hplug);
 373             if (!h2) {
 374                 delete hplug;
 375                 throw UnsupportedExtensionException(
 376                     "Plugin for binding ($1) does not implement IHandler interface.",saml::params(1,b2.get())
 377                     );
 378             }
 379             h2->setProperties(propcheck);
 380             m_handlers.push_back(h2);
 381             m_handlerMap[""] = h2;
 382             m_acsDefault=h2;
 383         }
 384
 385         // Process general configuration elements.
 386         unsigned int i;
 387         DOMNodeList* nlist=e->getElementsByTagNameNS(saml::XML::SAML_NS,L(AttributeDesignator));
 388         for (i=0; nlist && i<nlist->getLength(); i++)
 389             if (nlist->item(i)->getParentNode()->isSameNode(e))
 390                 m_designators.push_back(new SAMLAttributeDesignator(static_cast<DOMElement*>(nlist->item(i))));
 391
 392         nlist=e->getElementsByTagNameNS(saml::XML::SAML_NS,L(Audience));
 393         for (i=0; nlist && i<nlist->getLength(); i++)
 394             if (nlist->item(i)->getParentNode()->isSameNode(e))
 395                 m_audiences.push_back(nlist->item(i)->getFirstChild()->getNodeValue());
 396
 397         // Always include our own providerId as an audience.
 398         m_audiences.push_back(getXMLString("providerId").second);
 399
 400         if (conf.isEnabled(SPConfig::AAP)) {
 401             nlist=e->getElementsByTagNameNS(shibtarget::XML::SHIBTARGET_NS,SHIBT_L(AAPProvider));
 402             for (i=0; nlist && i<nlist->getLength(); i++) {
 403                 if (nlist->item(i)->getParentNode()->isSameNode(e)) {
 404                     xmltooling::auto_ptr_char type(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,SHIBT_L(type)));
 405                     log.info("building AAP provider of type %s...",type.get());
 406                     try {
 407                         IPlugIn* plugin=shibConf.getPlugMgr().newPlugin(type.get(),static_cast<DOMElement*>(nlist->item(i)));
 408                         IAAP* aap=dynamic_cast<IAAP*>(plugin);
 409                         if (aap)
 410                             m_aaps.push_back(aap);
 411                         else {
 412                             delete plugin;
 413                             log.crit("plugin was not an AAP provider");
 414                         }
 415                     }
 416                     catch (exception& ex) {
 417                         log.crit("error building AAP provider: %s",ex.what());
 418                     }
 419                 }
 420             }
 421         }
 422
 423         if (conf.isEnabled(SPConfig::Metadata)) {
 424             vector<MetadataProvider*> os2providers;
 425             nlist=e->getElementsByTagNameNS(shibtarget::XML::SHIBTARGET_NS,SHIBT_L(MetadataProvider));
 426             for (i=0; nlist && i<nlist->getLength(); i++) {
 427                 if (nlist->item(i)->getParentNode()->isSameNode(e)) {
 428                     xmltooling::auto_ptr_char type(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,SHIBT_L(type)));
 429                     log.info("building metadata provider of type %s...",type.get());
 430                     try {
 431                         auto_ptr<MetadataProvider> mp(
 432                             samlConf.MetadataProviderManager.newPlugin(type.get(),static_cast<DOMElement*>(nlist->item(i)))
 433                             );
 434                         mp->init();
 435                         os2providers.push_back(mp.release());
 436                     }
 437                     catch (exception& ex) {
 438                         log.crit("error building metadata provider: %s",ex.what());
 439                     }
 440                 }
 441             }
 442
 443             if (os2providers.size()==1)
 444                 m_metadata=os2providers.front();
 445             else if (os2providers.size()>1) {
 446                 try {
 447                     m_metadata = samlConf.MetadataProviderManager.newPlugin(CHAINING_METADATA_PROVIDER,NULL);
 448                     ChainingMetadataProvider* chainMeta = dynamic_cast<ChainingMetadataProvider*>(m_metadata);
 449                     while (!os2providers.empty()) {
 450                         chainMeta->addMetadataProvider(os2providers.back());
 451                         os2providers.pop_back();
 452                     }
 453                 }
 454                 catch (exception& ex) {
 455                     log.crit("error building chaining metadata provider wrapper: %s",ex.what());
 456                     for_each(os2providers.begin(), os2providers.end(), xmltooling::cleanup<MetadataProvider>());
 457                 }
 458             }
 459         }
 460
 461         if (conf.isEnabled(SPConfig::Trust)) {
 462             ChainingTrustEngine* chainTrust = NULL;
 463             nlist=e->getElementsByTagNameNS(shibtarget::XML::SHIBTARGET_NS,SHIBT_L(TrustProvider));
 464             for (i=0; nlist && i<nlist->getLength(); i++) {
 465                 if (nlist->item(i)->getParentNode()->isSameNode(e)) {
 466                     xmltooling::auto_ptr_char type(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,SHIBT_L(type)));
 467                     log.info("building trust provider of type %s...",type.get());
 468                     try {
 469                         if (!m_trust) {
 470                             // For compatibility with old engine types, we're assuming a Shib engine is likely,
 471                             // which requires chaining, so we'll build that regardless.
 472                             m_trust = xmlConf.TrustEngineManager.newPlugin(CHAINING_TRUSTENGINE,NULL);
 473                             chainTrust = dynamic_cast<ChainingTrustEngine*>(m_trust);
 474                         }
 475                         if (!strcmp(type.get(),"edu.internet2.middleware.shibboleth.common.provider.ShibbolethTrust")) {
 476                             chainTrust->addTrustEngine(
 477                                 xmlConf.TrustEngineManager.newPlugin(
 478                                     EXPLICIT_KEY_TRUSTENGINE,static_cast<DOMElement*>(nlist->item(i))
 479                                 )
 480                             );
 481                             chainTrust->addTrustEngine(
 482                                 xmlConf.TrustEngineManager.newPlugin(
 483                                     SHIBBOLETH_PKIX_TRUSTENGINE,static_cast<DOMElement*>(nlist->item(i))
 484                                 )
 485                             );
 486                         }
 487                         else if (!strcmp(type.get(),"edu.internet2.middleware.shibboleth.common.provider.BasicTrust")) {
 488                             chainTrust->addTrustEngine(
 489                                 xmlConf.TrustEngineManager.newPlugin(
 490                                     EXPLICIT_KEY_TRUSTENGINE,static_cast<DOMElement*>(nlist->item(i))
 491                                 )
 492                             );
 493                         }
 494                         else {
 495                             chainTrust->addTrustEngine(
 496                                 xmlConf.TrustEngineManager.newPlugin(type.get(),static_cast<DOMElement*>(nlist->item(i)))
 497                             );
 498                         }
 499                     }
 500                     catch (exception& ex) {
 501                         log.crit("error building trust provider: %s",ex.what());
 502                     }
 503                 }
 504             }
 505         }
 506
 507         // Finally, load credential mappings.
 508         const DOMElement* cu=saml::XML::getFirstChildElement(e,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(CredentialUse));
 509         if (cu) {
 510             m_credDefault=new DOMPropertySet();
 511             m_credDefault->load(cu,log,this);
 512             cu=saml::XML::getFirstChildElement(cu,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(RelyingParty));
 513             while (cu) {
 514                 DOMPropertySet* rp=new DOMPropertySet();
 515                 rp->load(cu,log,this);
 516                 m_credMap[cu->getAttributeNS(NULL,SHIBT_L(Name))]=rp;
 517                 cu=saml::XML::getNextSiblingElement(cu,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(RelyingParty));
 518             }
 519         }
 520
 521         if (conf.isEnabled(SPConfig::OutOfProcess)) {
 522             // Really finally, build local browser profile and binding objects.
 523             m_profile=new ShibBrowserProfile(
 524                 this,
 525                 getMetadataProvider(),
 526                 getTrustEngine()
 527                 );
 528             m_bindingHook=new ShibHTTPHook(
 529                 getTrustEngine(),
 530                 creds
 531                 );
 532             m_binding=SAMLBinding::getInstance(SAMLBinding::SOAP);
 533             SAMLSOAPHTTPBinding* bptr=dynamic_cast<SAMLSOAPHTTPBinding*>(m_binding);
 534             if (!bptr) {
 535                 log.fatal("binding implementation was not SOAP over HTTP");
 536                 throw UnsupportedExtensionException("binding implementation was not SOAP over HTTP");
 537             }
 538             bptr->addHook(m_bindingHook,m_bindingHook); // the hook is its own global context
 539         }
 540     }
 541     catch (exception& e) {
 542         log.errorStream() << "Error while processing applicaton element: " << e.what() << CategoryStream::ENDLINE;
 543         cleanup();
 544         throw;
 545     }
 546 #ifndef _DEBUG
 547     catch (...) {
 548         log.error("Unexpected error while processing application element");
 549         cleanup();
 550         throw;
 551     }
 552 #endif
 553 }
 554
 555 void XMLApplication::cleanup()
 556 {
 557     delete m_bindingHook;
 558     delete m_binding;
 559     delete m_profile;
 560     for_each(m_handlers.begin(),m_handlers.end(),xmltooling::cleanup<IHandler>());
 561
 562     delete m_credDefault;
 563 #ifdef HAVE_GOOD_STL
 564     for_each(m_credMap.begin(),m_credMap.end(),xmltooling::cleanup_pair<xmltooling::xstring,PropertySet>());
 565 #else
 566     for_each(m_credMap.begin(),m_credMap.end(),xmltooling::cleanup_pair<const XMLCh*,PropertySet>());
 567 #endif
 568     for_each(m_designators.begin(),m_designators.end(),xmltooling::cleanup<SAMLAttributeDesignator>());
 569     for_each(m_aaps.begin(),m_aaps.end(),xmltooling::cleanup<IAAP>());
 570
 571     delete m_trust;
 572     delete m_metadata;
 573 }
 574
 575 short XMLApplication::acceptNode(const DOMNode* node) const
 576 {
 577     if (saml::XML::isElementNamed(static_cast<const DOMElement*>(node),saml::XML::SAML_NS,L(AttributeDesignator)))
 578         return FILTER_REJECT;
 579     else if (saml::XML::isElementNamed(static_cast<const DOMElement*>(node),saml::XML::SAML_NS,L(Audience)))
 580         return FILTER_REJECT;
 581     const XMLCh* name=node->getLocalName();
 582     if (!XMLString::compareString(name,SHIBT_L(Application)) ||
 583         !XMLString::compareString(name,SHIBT_L(AssertionConsumerService)) ||
 584         !XMLString::compareString(name,SHIBT_L(SingleLogoutService)) ||
 585         !XMLString::compareString(name,SHIBT_L(DiagnosticService)) ||
 586         !XMLString::compareString(name,SHIBT_L(SessionInitiator)) ||
 587         !XMLString::compareString(name,SHIBT_L(AAPProvider)) ||
 588         !XMLString::compareString(name,SHIBT_L(CredentialUse)) ||
 589         !XMLString::compareString(name,SHIBT_L(RelyingParty)) ||
 590         !XMLString::compareString(name,SHIBT_L(FederationProvider)) ||
 591         !XMLString::compareString(name,SHIBT_L(MetadataProvider)) ||
 592         !XMLString::compareString(name,SHIBT_L(TrustProvider)))
 593         return FILTER_REJECT;
 594
 595     return FILTER_ACCEPT;
 596 }
 597
 598 pair<bool,bool> XMLApplication::getBool(const char* name, const char* ns) const
 599 {
 600     pair<bool,bool> ret=DOMPropertySet::getBool(name,ns);
 601     if (ret.first)
 602         return ret;
 603     return m_base ? m_base->getBool(name,ns) : ret;
 604 }
 605
 606 pair<bool,const char*> XMLApplication::getString(const char* name, const char* ns) const
 607 {
 608     pair<bool,const char*> ret=DOMPropertySet::getString(name,ns);
 609     if (ret.first)
 610         return ret;
 611     return m_base ? m_base->getString(name,ns) : ret;
 612 }
 613
 614 pair<bool,const XMLCh*> XMLApplication::getXMLString(const char* name, const char* ns) const
 615 {
 616     pair<bool,const XMLCh*> ret=DOMPropertySet::getXMLString(name,ns);
 617     if (ret.first)
 618         return ret;
 619     return m_base ? m_base->getXMLString(name,ns) : ret;
 620 }
 621
 622 pair<bool,unsigned int> XMLApplication::getUnsignedInt(const char* name, const char* ns) const
 623 {
 624     pair<bool,unsigned int> ret=DOMPropertySet::getUnsignedInt(name,ns);
 625     if (ret.first)
 626         return ret;
 627     return m_base ? m_base->getUnsignedInt(name,ns) : ret;
 628 }
 629
 630 pair<bool,int> XMLApplication::getInt(const char* name, const char* ns) const
 631 {
 632     pair<bool,int> ret=DOMPropertySet::getInt(name,ns);
 633     if (ret.first)
 634         return ret;
 635     return m_base ? m_base->getInt(name,ns) : ret;
 636 }
 637
 638 const PropertySet* XMLApplication::getPropertySet(const char* name, const char* ns) const
 639 {
 640     const PropertySet* ret=DOMPropertySet::getPropertySet(name,ns);
 641     if (ret || !m_base)
 642         return ret;
 643     return m_base->getPropertySet(name,ns);
 644 }
 645
 646 Iterator<SAMLAttributeDesignator*> XMLApplication::getAttributeDesignators() const
 647 {
 648     if (!m_designators.empty() || !m_base)
 649         return m_designators;
 650     return m_base->getAttributeDesignators();
 651 }
 652
 653 Iterator<IAAP*> XMLApplication::getAAPProviders() const
 654 {
 655     return (m_aaps.empty() && m_base) ? m_base->getAAPProviders() : m_aaps;
 656 }
 657
 658 MetadataProvider* XMLApplication::getMetadataProvider() const
 659 {
 660     return (!m_metadata && m_base) ? m_base->getMetadataProvider() : m_metadata;
 661 }
 662
 663 TrustEngine* XMLApplication::getTrustEngine() const
 664 {
 665     return (!m_trust && m_base) ? m_base->getTrustEngine() : m_trust;
 666 }
 667
 668 Iterator<const XMLCh*> XMLApplication::getAudiences() const
 669 {
 670     return (m_audiences.empty() && m_base) ? m_base->getAudiences() : m_audiences;
 671 }
 672
 673 const PropertySet* XMLApplication::getCredentialUse(const EntityDescriptor* provider) const
 674 {
 675     if (!m_credDefault && m_base)
 676         return m_base->getCredentialUse(provider);
 677
 678 #ifdef HAVE_GOOD_STL
 679     map<xmltooling::xstring,PropertySet*>::const_iterator i=m_credMap.find(provider->getEntityID());
 680     if (i!=m_credMap.end())
 681         return i->second;
 682     const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
 683     while (group) {
 684         if (group->getName()) {
 685             i=m_credMap.find(group->getName());
 686             if (i!=m_credMap.end())
 687                 return i->second;
 688         }
 689         group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
 690     }
 691 #else
 692     map<const XMLCh*,PropertySet*>::const_iterator i=m_credMap.begin();
 693     for (; i!=m_credMap.end(); i++) {
 694         if (!XMLString::compareString(i->first,provider->getId()))
 695             return i->second;
 696         const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
 697         while (group) {
 698             if (!XMLString::compareString(i->first,group->getName()))
 699                 return i->second;
 700             group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
 701         }
 702     }
 703 #endif
 704     return m_credDefault;
 705 }
 706
 707 void XMLApplication::validateToken(SAMLAssertion* token, time_t ts, const RoleDescriptor* role, const TrustEngine* trust) const
 708 {
 709 #ifdef _DEBUG
 710     xmltooling::NDC ndc("validateToken");
 711 #endif
 712     Category& log=Category::getInstance("shibtarget.XMLApplication");
 713
 714     // First we verify the time conditions, using the specified timestamp, if non-zero.
 715     SAMLConfig& config=SAMLConfig::getConfig();
 716     if (ts>0) {
 717         const SAMLDateTime* notBefore=token->getNotBefore();
 718         if (notBefore && ts+config.clock_skew_secs < notBefore->getEpoch())
 719             throw opensaml::FatalProfileException("Assertion is not yet valid.");
 720         const SAMLDateTime* notOnOrAfter=token->getNotOnOrAfter();
 721         if (notOnOrAfter && notOnOrAfter->getEpoch() <= ts-config.clock_skew_secs)
 722             throw opensaml::FatalProfileException("Assertion is no longer valid.");
 723     }
 724
 725     // Now we process conditions. Only audience restrictions at the moment.
 726     Iterator<SAMLCondition*> conditions=token->getConditions();
 727     while (conditions.hasNext()) {
 728         SAMLCondition* cond=conditions.next();
 729         const SAMLAudienceRestrictionCondition* ac=dynamic_cast<const SAMLAudienceRestrictionCondition*>(cond);
 730         if (!ac) {
 731             ostringstream os;
 732             os << *cond;
 733             log.error("unrecognized Condition in assertion (%s)",os.str().c_str());
 734             throw xmltooling::UnknownExtensionException("Assertion contains an unrecognized condition.");
 735         }
 736         else if (!ac->eval(getAudiences())) {
 737             ostringstream os;
 738             os << *ac;
 739             log.error("unacceptable AudienceRestrictionCondition in assertion (%s)",os.str().c_str());
 740             throw opensaml::FatalProfileException("Assertion contains an unacceptable AudienceRestrictionCondition.");
 741         }
 742     }
 743
 744     if (!role || !trust) {
 745         log.warn("no metadata provided, so no signature validation was performed");
 746         return;
 747     }
 748
 749     const PropertySet* credUse=getCredentialUse(dynamic_cast<const EntityDescriptor*>(role->getParent()));
 750     pair<bool,bool> signedAssertions=credUse ? credUse->getBool("signedAssertions") : make_pair(false,false);
 751
 752     if (token->isSigned()) {
 753
 754         // This will all change, but for fun, we'll port the object from OS1->OS2 for validation.
 755         stringstream s;
 756         s << *token;
 757         DOMDocument* doc = XMLToolingConfig::getConfig().getValidatingParser().parse(s);
 758         XercesJanitor<DOMDocument> jdoc(doc);
 759         auto_ptr<Assertion> os2ass(AssertionBuilder::buildAssertion());
 760         os2ass->unmarshall(doc->getDocumentElement(),true);
 761         jdoc.release();
 762
 763         if (!trust->validate(*(os2ass->getSignature()),*role))
 764             throw xmltooling::XMLSecurityException("Assertion signature did not validate.");
 765     }
 766     else if (signedAssertions.first && signedAssertions.second)
 767         throw xmltooling::XMLSecurityException("Assertion was unsigned, violating policy based on the issuer.");
 768 }
 769
 770 const IHandler* XMLApplication::getDefaultSessionInitiator() const
 771 {
 772     if (m_sessionInitDefault) return m_sessionInitDefault;
 773     return m_base ? m_base->getDefaultSessionInitiator() : NULL;
 774 }
 775
 776 const IHandler* XMLApplication::getSessionInitiatorById(const char* id) const
 777 {
 778     map<string,const IHandler*>::const_iterator i=m_sessionInitMap.find(id);
 779     if (i!=m_sessionInitMap.end()) return i->second;
 780     return m_base ? m_base->getSessionInitiatorById(id) : NULL;
 781 }
 782
 783 const IHandler* XMLApplication::getDefaultAssertionConsumerService() const
 784 {
 785     if (m_acsDefault) return m_acsDefault;
 786     return m_base ? m_base->getDefaultAssertionConsumerService() : NULL;
 787 }
 788
 789 const IHandler* XMLApplication::getAssertionConsumerServiceByIndex(unsigned short index) const
 790 {
 791     map<unsigned int,const IHandler*>::const_iterator i=m_acsIndexMap.find(index);
 792     if (i!=m_acsIndexMap.end()) return i->second;
 793     return m_base ? m_base->getAssertionConsumerServiceByIndex(index) : NULL;
 794 }
 795
 796 Iterator<const IHandler*> XMLApplication::getAssertionConsumerServicesByBinding(const XMLCh* binding) const
 797 {
 798 #ifdef HAVE_GOOD_STL
 799     ACSBindingMap::const_iterator i=m_acsBindingMap.find(binding);
 800 #else
 801     xmltooling::auto_ptr_char temp(binding);
 802     ACSBindingMap::const_iterator i=m_acsBindingMap.find(temp.get());
 803 #endif
 804     if (i!=m_acsBindingMap.end())
 805         return i->second;
 806     return m_base ? m_base->getAssertionConsumerServicesByBinding(binding) : EMPTY(const IHandler*);
 807 }
 808
 809 const IHandler* XMLApplication::getHandler(const char* path) const
 810 {
 811     string wrap(path);
 812     map<string,const IHandler*>::const_iterator i=m_handlerMap.find(wrap.substr(0,wrap.find('?')));
 813     if (i!=m_handlerMap.end())
 814         return i->second;
 815     return m_base ? m_base->getHandler(path) : NULL;
 816 }
 817
 818 ReloadableXMLFileImpl* XMLConfig::newImplementation(const char* pathname, bool first) const
 819 {
 820     return new XMLConfigImpl(pathname,first,this);
 821 }
 822
 823 ReloadableXMLFileImpl* XMLConfig::newImplementation(const DOMElement* e, bool first) const
 824 {
 825     return new XMLConfigImpl(e,first,this);
 826 }
 827
 828 short XMLConfigImpl::acceptNode(const DOMNode* node) const
 829 {
 830     if (XMLString::compareString(node->getNamespaceURI(),shibtarget::XML::SHIBTARGET_NS))
 831         return FILTER_ACCEPT;
 832     const XMLCh* name=node->getLocalName();
 833     if (!XMLString::compareString(name,SHIBT_L(Applications)) ||
 834         !XMLString::compareString(name,SHIBT_L(AttributeFactory)) ||
 835         !XMLString::compareString(name,SHIBT_L(CredentialsProvider)) ||
 836         !XMLString::compareString(name,SHIBT_L(Extensions)) ||
 837         !XMLString::compareString(name,SHIBT_L(Implementation)) ||
 838         !XMLString::compareString(name,SHIBT_L(Listener)) ||
 839         !XMLString::compareString(name,SHIBT_L(MemorySessionCache)) ||
 840         !XMLString::compareString(name,SHIBT_L(MySQLReplayCache)) ||
 841         !XMLString::compareString(name,SHIBT_L(MySQLSessionCache)) ||
 842         !XMLString::compareString(name,SHIBT_L(RequestMap)) ||
 843         !XMLString::compareString(name,SHIBT_L(RequestMapProvider)) ||
 844         !XMLString::compareString(name,SHIBT_L(ReplayCache)) ||
 845         !XMLString::compareString(name,SHIBT_L(SessionCache)) ||
 846         !XMLString::compareString(name,SHIBT_L(TCPListener)) ||
 847         !XMLString::compareString(name,SHIBT_L(UnixListener)))
 848         return FILTER_REJECT;
 849
 850     return FILTER_ACCEPT;
 851 }
 852
 853 void XMLConfigImpl::init(bool first)
 854 {
 855 #ifdef _DEBUG
 856     xmltooling::NDC ndc("init");
 857 #endif
 858     Category& log=Category::getInstance("shibtarget.Config");
 859
 860     try {
 861         if (!saml::XML::isElementNamed(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(ShibbolethTargetConfig)) &&
 862             !saml::XML::isElementNamed(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(SPConfig))) {
 863             log.error("Construction requires a valid configuration file: (conf:SPConfig as root element)");
 864             throw ConfigurationException("Construction requires a valid configuration file: (conf:SPConfig as root element)");
 865         }
 866
 867         SAMLConfig& shibConf=SAMLConfig::getConfig();
 868         SPConfig& conf=SPConfig::getConfig();
 869         const DOMElement* SHAR=saml::XML::getFirstChildElement(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(SHAR));
 870         if (!SHAR)
 871             SHAR=saml::XML::getFirstChildElement(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Global));
 872         if (!SHAR)
 873             SHAR=saml::XML::getFirstChildElement(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(OutOfProcess));
 874         const DOMElement* SHIRE=saml::XML::getFirstChildElement(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(SHIRE));
 875         if (!SHIRE)
 876             SHIRE=saml::XML::getFirstChildElement(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Local));
 877         if (!SHIRE)
 878             SHIRE=saml::XML::getFirstChildElement(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(InProcess));
 879
 880         // Initialize log4cpp manually in order to redirect log messages as soon as possible.
 881         if (conf.isEnabled(SPConfig::Logging)) {
 882             const XMLCh* logger=NULL;
 883             if (conf.isEnabled(SPConfig::OutOfProcess))
 884                 logger=SHAR->getAttributeNS(NULL,SHIBT_L(logger));
 885             else if (conf.isEnabled(SPConfig::InProcess))
 886                 logger=SHIRE->getAttributeNS(NULL,SHIBT_L(logger));
 887             if (!logger || !*logger)
 888                 logger=ReloadableXMLFileImpl::m_root->getAttributeNS(NULL,SHIBT_L(logger));
 889             if (logger && *logger) {
 890                 xmltooling::auto_ptr_char logpath(logger);
 891                 log.debug("loading new logging configuration from (%s), check log destination for status of configuration",logpath.get());
 892                 try {
 893                     PropertyConfigurator::configure(logpath.get());
 894                 }
 895                 catch (ConfigureFailure& e) {
 896                     log.error("Error reading logging configuration: %s",e.what());
 897                 }
 898             }
 899         }
 900
 901         // First load any property sets.
 902         map<string,string> root_remap;
 903         root_remap["SHAR"]="OutOfProcess";
 904         root_remap["SHIRE"]="InProcess";
 905         root_remap["Global"]="OutOfProcess";
 906         root_remap["Local"]="InProcess";
 907         load(ReloadableXMLFileImpl::m_root,log,this,&root_remap);
 908
 909         // Much of the processing can only occur on the first instantiation.
 910         if (first) {
 911             // Now load any extensions to insure any needed plugins are registered.
 912             DOMElement* exts=
 913                 saml::XML::getFirstChildElement(ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Extensions));
 914             if (exts) {
 915                 exts=saml::XML::getFirstChildElement(exts,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Library));
 916                 while (exts) {
 917                     xmltooling::auto_ptr_char path(exts->getAttributeNS(NULL,SHIBT_L(path)));
 918                     try {
 919                         SAMLConfig::getConfig().saml_register_extension(path.get(),exts);
 920                         log.debug("loaded global extension library %s",path.get());
 921                     }
 922                     catch (exception& e) {
 923                         const XMLCh* fatal=exts->getAttributeNS(NULL,SHIBT_L(fatal));
 924                         if (fatal && (*fatal==chLatin_t || *fatal==chDigit_1)) {
 925                             log.fatal("unable to load mandatory global extension library %s: %s", path.get(), e.what());
 926                             throw;
 927                         }
 928                         else
 929                             log.crit("unable to load optional global extension library %s: %s", path.get(), e.what());
 930                     }
 931                     exts=saml::XML::getNextSiblingElement(exts,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Library));
 932                 }
 933             }
 934
 935             if (conf.isEnabled(SPConfig::OutOfProcess)) {
 936                 exts=saml::XML::getFirstChildElement(SHAR,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Extensions));
 937                 if (exts) {
 938                     exts=saml::XML::getFirstChildElement(exts,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Library));
 939                     while (exts) {
 940                         xmltooling::auto_ptr_char path(exts->getAttributeNS(NULL,SHIBT_L(path)));
 941                         try {
 942                             SAMLConfig::getConfig().saml_register_extension(path.get(),exts);
 943                             log.debug("loaded Global extension library %s",path.get());
 944                         }
 945                         catch (exception& e) {
 946                             const XMLCh* fatal=exts->getAttributeNS(NULL,SHIBT_L(fatal));
 947                             if (fatal && (*fatal==chLatin_t || *fatal==chDigit_1)) {
 948                                 log.fatal("unable to load mandatory Global extension library %s: %s", path.get(), e.what());
 949                                 throw;
 950                             }
 951                             else
 952                                 log.crit("unable to load optional Global extension library %s: %s", path.get(), e.what());
 953                         }
 954                         exts=saml::XML::getNextSiblingElement(exts,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Library));
 955                     }
 956                 }
 957             }
 958
 959             if (conf.isEnabled(SPConfig::InProcess)) {
 960                 exts=saml::XML::getFirstChildElement(SHIRE,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Extensions));
 961                 if (exts) {
 962                     exts=saml::XML::getFirstChildElement(exts,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Library));
 963                     while (exts) {
 964                         xmltooling::auto_ptr_char path(exts->getAttributeNS(NULL,SHIBT_L(path)));
 965                         try {
 966                             SAMLConfig::getConfig().saml_register_extension(path.get(),exts);
 967                             log.debug("loaded Local extension library %s",path.get());
 968                         }
 969                         catch (exception& e) {
 970                             const XMLCh* fatal=exts->getAttributeNS(NULL,SHIBT_L(fatal));
 971                             if (fatal && (*fatal==chLatin_t || *fatal==chDigit_1)) {
 972                                 log.fatal("unable to load mandatory Local extension library %s: %s", path.get(), e.what());
 973                                 throw;
 974                             }
 975                             else
 976                                 log.crit("unable to load optional Local extension library %s: %s", path.get(), e.what());
 977                         }
 978                         exts=saml::XML::getNextSiblingElement(exts,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Library));
 979                     }
 980                 }
 981             }
 982
 983             // Instantiate the ListenerService and SessionCache objects.
 984             if (conf.isEnabled(SPConfig::Listener)) {
 985                 exts=saml::XML::getFirstChildElement(SHAR,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(UnixListener));
 986                 if (exts) {
 987                     log.info("building Listener of type %s...",UNIX_LISTENER_SERVICE);
 988                     m_outer->m_listener=conf.ListenerServiceManager.newPlugin(UNIX_LISTENER_SERVICE,exts);
 989                 }
 990                 else {
 991                     exts=saml::XML::getFirstChildElement(SHAR,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(TCPListener));
 992                     if (exts) {
 993                         log.info("building Listener of type %s...",TCP_LISTENER_SERVICE);
 994                         m_outer->m_listener=conf.ListenerServiceManager.newPlugin(TCP_LISTENER_SERVICE,exts);
 995                     }
 996                     else {
 997                         exts=saml::XML::getFirstChildElement(SHAR,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Listener));
 998                         if (exts) {
 999                             xmltooling::auto_ptr_char type(exts->getAttributeNS(NULL,SHIBT_L(type)));
1000                             log.info("building Listener of type %s...",type.get());
1001                             m_outer->m_listener=conf.ListenerServiceManager.newPlugin(type.get(),exts);
1002                         }
1003                         else {
1004                             log.fatal("can't build Listener object, missing conf:Listener element?");
1005                             throw ConfigurationException("can't build Listener object, missing conf:Listener element?");
1006                         }
1007                     }
1008                 }
1009             }
1010
1011             if (conf.isEnabled(SPConfig::Caching)) {
1012                 IPlugIn* plugin=NULL;
1013                 const DOMElement* container=conf.isEnabled(SPConfig::OutOfProcess) ? SHAR : SHIRE;
1014                 exts=saml::XML::getFirstChildElement(container,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(MemorySessionCache));
1015                 if (exts) {
1016                     log.info("building Session Cache of type %s...",shibtarget::XML::MemorySessionCacheType);
1017                     plugin=shibConf.getPlugMgr().newPlugin(shibtarget::XML::MemorySessionCacheType,exts);
1018                 }
1019                 else {
1020                     exts=saml::XML::getFirstChildElement(container,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(ODBCSessionCache));
1021                     if (exts) {
1022                         log.info("building Session Cache of type %s...",shibtarget::XML::ODBCSessionCacheType);
1023                         plugin=shibConf.getPlugMgr().newPlugin(shibtarget::XML::ODBCSessionCacheType,exts);
1024                     }
1025                     else {
1026                         exts=saml::XML::getFirstChildElement(container,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(MySQLSessionCache));
1027                         if (exts) {
1028                             log.info("building Session Cache of type %s...",shibtarget::XML::MySQLSessionCacheType);
1029                             plugin=shibConf.getPlugMgr().newPlugin(shibtarget::XML::MySQLSessionCacheType,exts);
1030                         }
1031                         else {
1032                             exts=saml::XML::getFirstChildElement(container,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(SessionCache));
1033                             if (exts) {
1034                                 xmltooling::auto_ptr_char type(exts->getAttributeNS(NULL,SHIBT_L(type)));
1035                                 log.info("building Session Cache of type %s...",type.get());
1036                                 plugin=shibConf.getPlugMgr().newPlugin(type.get(),exts);
1037                             }
1038                             else {
1039                                 log.info("session cache not specified, building Session Cache of type %s...",shibtarget::XML::MemorySessionCacheType);
1040                                 plugin=shibConf.getPlugMgr().newPlugin(shibtarget::XML::MemorySessionCacheType,exts);
1041                             }
1042                         }
1043                     }
1044                 }
1045                 if (plugin) {
1046                     ISessionCache* cache=dynamic_cast<ISessionCache*>(plugin);
1047                     if (cache)
1048                         m_outer->m_sessionCache=cache;
1049                     else {
1050                         delete plugin;
1051                         log.fatal("plugin was not a Session Cache object");
1052                         throw UnsupportedExtensionException("plugin was not a Session Cache object");
1053                     }
1054                 }
1055
1056                 // Replay cache.
1057                 container=conf.isEnabled(SPConfig::OutOfProcess) ? SHAR : SHIRE;
1058                 exts=saml::XML::getFirstChildElement(container,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(ODBCReplayCache));
1059                 if (exts) {
1060                     log.info("building Replay Cache of type %s...",shibtarget::XML::ODBCReplayCacheType);
1061                     m_outer->m_replayCache=IReplayCache::getInstance(shibtarget::XML::ODBCReplayCacheType,exts);
1062                 }
1063                 else {
1064                     exts=saml::XML::getFirstChildElement(container,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(MySQLReplayCache));
1065                     if (exts) {
1066                         log.info("building Replay Cache of type %s...",shibtarget::XML::MySQLReplayCacheType);
1067                         m_outer->m_replayCache=IReplayCache::getInstance(shibtarget::XML::MySQLReplayCacheType,exts);
1068                     }
1069                     else {
1070                         exts=saml::XML::getFirstChildElement(container,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(ReplayCache));
1071                         if (exts) {
1072                             xmltooling::auto_ptr_char type(exts->getAttributeNS(NULL,SHIBT_L(type)));
1073                             log.info("building Replay Cache of type %s...",type.get());
1074                             m_outer->m_replayCache=IReplayCache::getInstance(type.get(),exts);
1075                         }
1076                         else {
1077                             // OpenSAML default provider.
1078                             log.info("building default Replay Cache...");
1079                             m_outer->m_replayCache=IReplayCache::getInstance();
1080                         }
1081                     }
1082                 }
1083             }
1084         }
1085
1086         // Back to the fully dynamic stuff...next up is the Request Mapper.
1087         if (conf.isEnabled(SPConfig::RequestMapper)) {
1088             const DOMElement* child=saml::XML::getFirstChildElement(SHIRE,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(RequestMapProvider));
1089             if (child) {
1090                 xmltooling::auto_ptr_char type(child->getAttributeNS(NULL,SHIBT_L(type)));
1091                 log.info("building Request Mapper of type %s...",type.get());
1092                 IPlugIn* plugin=shibConf.getPlugMgr().newPlugin(type.get(),child);
1093                 if (plugin) {
1094                     IRequestMapper* reqmap=dynamic_cast<IRequestMapper*>(plugin);
1095                     if (reqmap)
1096                         m_requestMapper=reqmap;
1097                     else {
1098                         delete plugin;
1099                         log.fatal("plugin was not a Request Mapper object");
1100                         throw UnsupportedExtensionException("plugin was not a Request Mapper object");
1101                     }
1102                 }
1103             }
1104             else {
1105                 log.fatal("can't build Request Mapper object, missing conf:RequestMapProvider element?");
1106                 throw ConfigurationException("can't build Request Mapper object, missing conf:RequestMapProvider element?");
1107             }
1108         }
1109
1110         // Now we load any credentials providers.
1111         DOMNodeList* nlist;
1112         if (conf.isEnabled(SPConfig::Credentials)) {
1113             nlist=ReloadableXMLFileImpl::m_root->getElementsByTagNameNS(shibtarget::XML::SHIBTARGET_NS,SHIBT_L(CredentialsProvider));
1114             for (unsigned int i=0; nlist && i<nlist->getLength(); i++) {
1115                 xmltooling::auto_ptr_char type(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,SHIBT_L(type)));
1116                 log.info("building credentials provider of type %s...",type.get());
1117                 try {
1118                     IPlugIn* plugin=shibConf.getPlugMgr().newPlugin(type.get(),static_cast<DOMElement*>(nlist->item(i)));
1119                     if (plugin) {
1120                         ICredentials* creds=dynamic_cast<ICredentials*>(plugin);
1121                         if (creds)
1122                             m_creds.push_back(creds);
1123                         else {
1124                             delete plugin;
1125                             log.crit("plugin was not a credentials provider");
1126                         }
1127                     }
1128                 }
1129                 catch (exception& ex) {
1130                     log.crit("error building credentials provider: %s",ex.what());
1131                 }
1132             }
1133         }
1134
1135         // Now we load any attribute factories
1136         nlist=ReloadableXMLFileImpl::m_root->getElementsByTagNameNS(shibtarget::XML::SHIBTARGET_NS,SHIBT_L(AttributeFactory));
1137         for (unsigned int i=0; nlist && i<nlist->getLength(); i++) {
1138             xmltooling::auto_ptr_char type(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,SHIBT_L(type)));
1139             log.info("building Attribute factory of type %s...",type.get());
1140             try {
1141                 IPlugIn* plugin=shibConf.getPlugMgr().newPlugin(type.get(),static_cast<DOMElement*>(nlist->item(i)));
1142                 if (plugin) {
1143                     IAttributeFactory* fact=dynamic_cast<IAttributeFactory*>(plugin);
1144                     if (fact) {
1145                         m_attrFactories.push_back(fact);
1146                         ShibConfig::getConfig().regAttributeMapping(
1147                             static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,L(AttributeName)),
1148                             fact
1149                             );
1150                     }
1151                     else {
1152                         delete plugin;
1153                         log.crit("plugin was not an Attribute factory");
1154                     }
1155                 }
1156             }
1157             catch (exception& ex) {
1158                 log.crit("error building Attribute factory: %s",ex.what());
1159             }
1160         }
1161
1162         // Load the default application. This actually has a fixed ID of "default". ;-)
1163         const DOMElement* app=saml::XML::getFirstChildElement(
1164             ReloadableXMLFileImpl::m_root,shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Applications)
1165             );
1166         if (!app) {
1167             log.fatal("can't build default Application object, missing conf:Applications element?");
1168             throw ConfigurationException("can't build default Application object, missing conf:Applications element?");
1169         }
1170         XMLApplication* defapp=new XMLApplication(m_outer, m_creds, app);
1171         m_appmap[defapp->getId()]=defapp;
1172
1173         // Load any overrides.
1174         nlist=app->getElementsByTagNameNS(shibtarget::XML::SHIBTARGET_NS,SHIBT_L(Application));
1175         for (unsigned int j=0; nlist && j<nlist->getLength(); j++) {
1176             auto_ptr<XMLApplication> iapp(new XMLApplication(m_outer,m_creds,static_cast<DOMElement*>(nlist->item(j)),defapp));
1177             if (m_appmap.find(iapp->getId())!=m_appmap.end())
1178                 log.crit("found conf:Application element with duplicate Id attribute, ignoring it");
1179             else
1180                 m_appmap[iapp->getId()]=iapp.release();
1181         }
1182     }
1183     catch (exception& e) {
1184         log.errorStream() << "Error while loading SP configuration: " << e.what() << CategoryStream::ENDLINE;
1185         throw ConfigurationException(e.what());
1186     }
1187 #ifndef _DEBUG
1188     catch (...) {
1189         log.error("Unexpected error while loading SP configuration");
1190         throw;
1191     }
1192 #endif
1193 }
1194
1195 XMLConfigImpl::~XMLConfigImpl()
1196 {
1197     delete m_requestMapper;
1198     for_each(m_appmap.begin(),m_appmap.end(),xmltooling::cleanup_pair<string,IApplication>());
1199     for_each(m_creds.begin(),m_creds.end(),xmltooling::cleanup<ICredentials>());
1200     ShibConfig::getConfig().clearAttributeMappings();
1201     for_each(m_attrFactories.begin(),m_attrFactories.end(),xmltooling::cleanup<IAttributeFactory>());
1202 }