shibsp/impl/XMLServiceProvider.cpp

   1 /*
   2  *  Copyright 2001-2007 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  * XMLServiceProvider.cpp
  19  *
  20  * XML-based SP configuration and mgmt
  21  */
  22
  23 #include "internal.h"
  24 #include "exceptions.h"
  25 #include "AccessControl.h"
  26 #include "Application.h"
  27 #include "RequestMapper.h"
  28 #include "ServiceProvider.h"
  29 #include "SessionCache.h"
  30 #include "SPConfig.h"
  31 #include "SPRequest.h"
  32 #include "handler/SessionInitiator.h"
  33 #include "remoting/ListenerService.h"
  34 #include "util/DOMPropertySet.h"
  35 #include "util/SPConstants.h"
  36
  37 #if defined(XMLTOOLING_LOG4SHIB)
  38 # include <log4shib/PropertyConfigurator.hh>
  39 #elif defined(XMLTOOLING_LOG4CPP)
  40 # include <log4cpp/PropertyConfigurator.hh>
  41 #else
  42 # error "Supported logging library not available."
  43 #endif
  44 #include <xercesc/util/XMLUniDefs.hpp>
  45 #include <xmltooling/XMLToolingConfig.h>
  46 #include <xmltooling/util/NDC.h>
  47 #include <xmltooling/util/ReloadableXMLFile.h>
  48 #include <xmltooling/util/XMLHelper.h>
  49
  50 #ifndef SHIBSP_LITE
  51 # include "TransactionLog.h"
  52 # include "attribute/filtering/AttributeFilter.h"
  53 # include "attribute/resolver/AttributeExtractor.h"
  54 # include "attribute/resolver/AttributeResolver.h"
  55 # include "security/PKIXTrustEngine.h"
  56 # include <saml/SAMLConfig.h>
  57 # include <saml/binding/ArtifactMap.h>
  58 # include <saml/binding/SAMLArtifact.h>
  59 # include <saml/saml1/core/Assertions.h>
  60 # include <saml/saml2/binding/SAML2ArtifactType0004.h>
  61 # include <saml/saml2/metadata/ChainingMetadataProvider.h>
  62 # include <xmltooling/security/ChainingTrustEngine.h>
  63 # include <xmltooling/util/ReplayCache.h>
  64 using namespace opensaml::saml2;
  65 using namespace opensaml::saml2p;
  66 using namespace opensaml::saml2md;
  67 using namespace opensaml;
  68 #endif
  69
  70 using namespace shibsp;
  71 using namespace xmltooling;
  72 using namespace std;
  73
  74 namespace {
  75
  76 #if defined (_MSC_VER)
  77     #pragma warning( push )
  78     #pragma warning( disable : 4250 )
  79 #endif
  80
  81     static vector<const Handler*> g_noHandlers;
  82
  83     // Application configuration wrapper
  84     class SHIBSP_DLLLOCAL XMLApplication : public Application, public Remoted, public DOMPropertySet, public DOMNodeFilter
  85     {
  86     public:
  87         XMLApplication(const ServiceProvider*, const DOMElement* e, const XMLApplication* base=NULL);
  88         ~XMLApplication() { cleanup(); }
  89
  90         // Application
  91         const ServiceProvider& getServiceProvider() const {return *m_sp;}
  92         const char* getId() const {return getString("id").second;}
  93         const char* getHash() const {return m_hash.c_str();}
  94
  95 #ifndef SHIBSP_LITE
  96         SAMLArtifact* generateSAML1Artifact(const EntityDescriptor* relyingParty) const {
  97             throw ConfigurationException("No support for SAML 1.x artifact generation.");
  98         }
  99         SAML2Artifact* generateSAML2Artifact(const EntityDescriptor* relyingParty) const {
 100             pair<bool,int> index = make_pair(false,0);
 101             const PropertySet* props = getRelyingParty(relyingParty);
 102             if (props)
 103                 index = getInt("artifactEndpointIndex");
 104             if (!index.first)
 105                 index = getArtifactEndpointIndex();
 106             return new SAML2ArtifactType0004(SAMLConfig::getConfig().hashSHA1(getString("entityID").second),index.first ? index.second : 1);
 107         }
 108
 109         MetadataProvider* getMetadataProvider(bool required=true) const {
 110             if (required && !m_base && !m_metadata)
 111                 throw ConfigurationException("No MetadataProvider available.");
 112             return (!m_metadata && m_base) ? m_base->getMetadataProvider() : m_metadata;
 113         }
 114         TrustEngine* getTrustEngine(bool required=true) const {
 115             if (required && !m_base && !m_trust)
 116                 throw ConfigurationException("No TrustEngine available.");
 117             return (!m_trust && m_base) ? m_base->getTrustEngine() : m_trust;
 118         }
 119         AttributeExtractor* getAttributeExtractor() const {
 120             return (!m_attrExtractor && m_base) ? m_base->getAttributeExtractor() : m_attrExtractor;
 121         }
 122         AttributeFilter* getAttributeFilter() const {
 123             return (!m_attrFilter && m_base) ? m_base->getAttributeFilter() : m_attrFilter;
 124         }
 125         AttributeResolver* getAttributeResolver() const {
 126             return (!m_attrResolver && m_base) ? m_base->getAttributeResolver() : m_attrResolver;
 127         }
 128         CredentialResolver* getCredentialResolver() const {
 129             return (!m_credResolver && m_base) ? m_base->getCredentialResolver() : m_credResolver;
 130         }
 131         const PropertySet* getRelyingParty(const EntityDescriptor* provider) const;
 132         const vector<const XMLCh*>& getAudiences() const {
 133             return (m_audiences.empty() && m_base) ? m_base->getAudiences() : m_audiences;
 134         }
 135 #endif
 136         string getNotificationURL(const char* resource, bool front, unsigned int index) const;
 137
 138         const set<string>& getRemoteUserAttributeIds() const {
 139             return (m_remoteUsers.empty() && m_base) ? m_base->getRemoteUserAttributeIds() : m_remoteUsers;
 140         }
 141
 142         void clearAttributeHeaders(SPRequest& request) const;
 143         const SessionInitiator* getDefaultSessionInitiator() const;
 144         const SessionInitiator* getSessionInitiatorById(const char* id) const;
 145         const Handler* getDefaultAssertionConsumerService() const;
 146         const Handler* getAssertionConsumerServiceByIndex(unsigned short index) const;
 147         const vector<const Handler*>& getAssertionConsumerServicesByBinding(const XMLCh* binding) const;
 148         const Handler* getHandler(const char* path) const;
 149
 150         void receive(DDF& in, ostream& out) {
 151             // Only current function is to return the headers to clear.
 152             DDF header;
 153             DDF ret=DDF(NULL).list();
 154             DDFJanitor jret(ret);
 155             for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i) {
 156                 header = DDF(i->first.c_str()).string(i->second.c_str());
 157                 ret.add(header);
 158             }
 159             out << ret;
 160         }
 161
 162         // Provides filter to exclude special config elements.
 163         short acceptNode(const DOMNode* node) const;
 164
 165     private:
 166         void cleanup();
 167         const ServiceProvider* m_sp;   // this is ok because its locking scope includes us
 168         const XMLApplication* m_base;
 169         string m_hash;
 170 #ifndef SHIBSP_LITE
 171         MetadataProvider* m_metadata;
 172         TrustEngine* m_trust;
 173         AttributeExtractor* m_attrExtractor;
 174         AttributeFilter* m_attrFilter;
 175         AttributeResolver* m_attrResolver;
 176         CredentialResolver* m_credResolver;
 177         vector<const XMLCh*> m_audiences;
 178
 179         // RelyingParty properties
 180         DOMPropertySet* m_partyDefault;
 181 #ifdef HAVE_GOOD_STL
 182         map<xstring,PropertySet*> m_partyMap;
 183 #else
 184         map<const XMLCh*,PropertySet*> m_partyMap;
 185 #endif
 186 #endif
 187         vector<string> m_frontLogout,m_backLogout;
 188         set<string> m_remoteUsers;
 189         mutable vector< pair<string,string> > m_unsetHeaders;
 190         RWLock* m_unsetLock;
 191
 192         // manage handler objects
 193         vector<Handler*> m_handlers;
 194
 195         // maps location (path info) to applicable handlers
 196         map<string,const Handler*> m_handlerMap;
 197
 198         // maps unique indexes to consumer services
 199         map<unsigned int,const Handler*> m_acsIndexMap;
 200
 201         // pointer to default consumer service
 202         const Handler* m_acsDefault;
 203
 204         // maps binding strings to supporting consumer service(s)
 205 #ifdef HAVE_GOOD_STL
 206         typedef map<xstring,vector<const Handler*> > ACSBindingMap;
 207 #else
 208         typedef map<string,vector<const Handler*> > ACSBindingMap;
 209 #endif
 210         ACSBindingMap m_acsBindingMap;
 211
 212         // pointer to default session initiator
 213         const SessionInitiator* m_sessionInitDefault;
 214
 215         // maps unique ID strings to session initiators
 216         map<string,const SessionInitiator*> m_sessionInitMap;
 217
 218         // pointer to default artifact resolution service
 219         const Handler* m_artifactResolutionDefault;
 220
 221         pair<bool,int> getArtifactEndpointIndex() const {
 222             if (m_artifactResolutionDefault) return m_artifactResolutionDefault->getInt("index");
 223             return m_base ? m_base->getArtifactEndpointIndex() : make_pair(false,0);
 224         }
 225     };
 226
 227     // Top-level configuration implementation
 228     class SHIBSP_DLLLOCAL XMLConfig;
 229     class SHIBSP_DLLLOCAL XMLConfigImpl : public DOMPropertySet, public DOMNodeFilter
 230     {
 231     public:
 232         XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log);
 233         ~XMLConfigImpl();
 234
 235         RequestMapper* m_requestMapper;
 236         map<string,Application*> m_appmap;
 237 #ifndef SHIBSP_LITE
 238         map< string,pair< PropertySet*,vector<const SecurityPolicyRule*> > > m_policyMap;
 239         map< string, vector< pair< string, pair<string,string> > > > m_transportOptionMap;
 240 #endif
 241
 242         // Provides filter to exclude special config elements.
 243         short acceptNode(const DOMNode* node) const;
 244
 245         void setDocument(DOMDocument* doc) {
 246             m_document = doc;
 247         }
 248
 249     private:
 250         void doExtensions(const DOMElement* e, const char* label, Category& log);
 251         void cleanup();
 252
 253         const XMLConfig* m_outer;
 254         DOMDocument* m_document;
 255     };
 256
 257     class SHIBSP_DLLLOCAL XMLConfig : public ServiceProvider, public ReloadableXMLFile, public Remoted
 258     {
 259     public:
 260         XMLConfig(const DOMElement* e) : ReloadableXMLFile(e, Category::getInstance(SHIBSP_LOGCAT".Config")),
 261             m_impl(NULL), m_listener(NULL), m_sessionCache(NULL)
 262 #ifndef SHIBSP_LITE
 263             , m_tranLog(NULL)
 264 #endif
 265         {
 266         }
 267
 268         void init() {
 269             load();
 270         }
 271
 272         ~XMLConfig() {
 273             delete m_impl;
 274             delete m_sessionCache;
 275             delete m_listener;
 276 #ifndef SHIBSP_LITE
 277             delete m_tranLog;
 278             SAMLConfig::getConfig().setArtifactMap(NULL);
 279             XMLToolingConfig::getConfig().setReplayCache(NULL);
 280             for_each(m_storage.begin(), m_storage.end(), cleanup_pair<string,StorageService>());
 281 #endif
 282         }
 283
 284         // PropertySet
 285         const PropertySet* getParent() const { return m_impl->getParent(); }
 286         void setParent(const PropertySet* parent) {return m_impl->setParent(parent);}
 287         pair<bool,bool> getBool(const char* name, const char* ns=NULL) const {return m_impl->getBool(name,ns);}
 288         pair<bool,const char*> getString(const char* name, const char* ns=NULL) const {return m_impl->getString(name,ns);}
 289         pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const {return m_impl->getXMLString(name,ns);}
 290         pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const {return m_impl->getUnsignedInt(name,ns);}
 291         pair<bool,int> getInt(const char* name, const char* ns=NULL) const {return m_impl->getInt(name,ns);}
 292         const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const {return m_impl->getPropertySet(name,ns);}
 293         const DOMElement* getElement() const {return m_impl->getElement();}
 294
 295         // Remoted
 296         void receive(DDF& in, ostream& out);
 297
 298         // ServiceProvider
 299 #ifndef SHIBSP_LITE
 300         TransactionLog* getTransactionLog() const {
 301             if (m_tranLog)
 302                 return m_tranLog;
 303             throw ConfigurationException("No TransactionLog available.");
 304         }
 305
 306         StorageService* getStorageService(const char* id) const {
 307             if (id) {
 308                 map<string,StorageService*>::const_iterator i=m_storage.find(id);
 309                 if (i!=m_storage.end())
 310                     return i->second;
 311             }
 312             return NULL;
 313         }
 314 #endif
 315
 316         ListenerService* getListenerService(bool required=true) const {
 317             if (required && !m_listener)
 318                 throw ConfigurationException("No ListenerService available.");
 319             return m_listener;
 320         }
 321
 322         SessionCache* getSessionCache(bool required=true) const {
 323             if (required && !m_sessionCache)
 324                 throw ConfigurationException("No SessionCache available.");
 325             return m_sessionCache;
 326         }
 327
 328         RequestMapper* getRequestMapper(bool required=true) const {
 329             if (required && !m_impl->m_requestMapper)
 330                 throw ConfigurationException("No RequestMapper available.");
 331             return m_impl->m_requestMapper;
 332         }
 333
 334         const Application* getApplication(const char* applicationId) const {
 335             map<string,Application*>::const_iterator i=m_impl->m_appmap.find(applicationId);
 336             return (i!=m_impl->m_appmap.end()) ? i->second : NULL;
 337         }
 338
 339 #ifndef SHIBSP_LITE
 340         const PropertySet* getPolicySettings(const char* id) const {
 341             map<string,pair<PropertySet*,vector<const SecurityPolicyRule*> > >::const_iterator i = m_impl->m_policyMap.find(id);
 342             if (i!=m_impl->m_policyMap.end())
 343                 return i->second.first;
 344             throw ConfigurationException("Security Policy ($1) not found, check <SecurityPolicies> element.", params(1,id));
 345         }
 346
 347         const vector<const SecurityPolicyRule*>& getPolicyRules(const char* id) const {
 348             map<string,pair<PropertySet*,vector<const SecurityPolicyRule*> > >::const_iterator i = m_impl->m_policyMap.find(id);
 349             if (i!=m_impl->m_policyMap.end())
 350                 return i->second.second;
 351             throw ConfigurationException("Security Policy ($1) not found, check <SecurityPolicies> element.", params(1,id));
 352         }
 353
 354         bool setTransportOptions(const char* id, SOAPTransport& transport) const {
 355             bool ret = true;
 356             map< string, vector< pair< string, pair<string,string> > > >::const_iterator p =
 357                 m_impl->m_transportOptionMap.find(id);
 358             if (p == m_impl->m_transportOptionMap.end())
 359                 return ret;
 360             vector< pair< string, pair<string,string> > >::const_iterator opt;
 361             for (opt = p->second.begin(); opt != p->second.end(); ++opt) {
 362                 if (!transport.setProviderOption(opt->first.c_str(), opt->second.first.c_str(), opt->second.second.c_str())) {
 363                     m_log.error("failed to set SOAPTransport option (%s)", opt->second.first.c_str());
 364                     ret = false;
 365                 }
 366             }
 367             return ret;
 368         }
 369 #endif
 370
 371     protected:
 372         pair<bool,DOMElement*> load();
 373
 374     private:
 375         friend class XMLConfigImpl;
 376         XMLConfigImpl* m_impl;
 377         mutable ListenerService* m_listener;
 378         mutable SessionCache* m_sessionCache;
 379 #ifndef SHIBSP_LITE
 380         mutable TransactionLog* m_tranLog;
 381         mutable map<string,StorageService*> m_storage;
 382 #endif
 383     };
 384
 385 #if defined (_MSC_VER)
 386     #pragma warning( pop )
 387 #endif
 388
 389     static const XMLCh _Application[] =         UNICODE_LITERAL_11(A,p,p,l,i,c,a,t,i,o,n);
 390     static const XMLCh Applications[] =         UNICODE_LITERAL_12(A,p,p,l,i,c,a,t,i,o,n,s);
 391     static const XMLCh _ArtifactMap[] =         UNICODE_LITERAL_11(A,r,t,i,f,a,c,t,M,a,p);
 392     static const XMLCh _AttributeExtractor[] =  UNICODE_LITERAL_18(A,t,t,r,i,b,u,t,e,E,x,t,r,a,c,t,o,r);
 393     static const XMLCh _AttributeFilter[] =     UNICODE_LITERAL_15(A,t,t,r,i,b,u,t,e,F,i,l,t,e,r);
 394     static const XMLCh _AttributeResolver[] =   UNICODE_LITERAL_17(A,t,t,r,i,b,u,t,e,R,e,s,o,l,v,e,r);
 395     static const XMLCh _AssertionConsumerService[] = UNICODE_LITERAL_24(A,s,s,e,r,t,i,o,n,C,o,n,s,u,m,e,r,S,e,r,v,i,c,e);
 396     static const XMLCh _ArtifactResolutionService[] =UNICODE_LITERAL_25(A,r,t,i,f,a,c,t,R,e,s,o,l,u,t,i,o,n,S,e,r,v,i,c,e);
 397     static const XMLCh _Audience[] =            UNICODE_LITERAL_8(A,u,d,i,e,n,c,e);
 398     static const XMLCh Binding[] =              UNICODE_LITERAL_7(B,i,n,d,i,n,g);
 399     static const XMLCh Channel[]=               UNICODE_LITERAL_7(C,h,a,n,n,e,l);
 400     static const XMLCh _CredentialResolver[] =  UNICODE_LITERAL_18(C,r,e,d,e,n,t,i,a,l,R,e,s,o,l,v,e,r);
 401     static const XMLCh DefaultRelyingParty[] =  UNICODE_LITERAL_19(D,e,f,a,u,l,t,R,e,l,y,i,n,g,P,a,r,t,y);
 402     static const XMLCh _Extensions[] =          UNICODE_LITERAL_10(E,x,t,e,n,s,i,o,n,s);
 403     static const XMLCh _fatal[] =               UNICODE_LITERAL_5(f,a,t,a,l);
 404     static const XMLCh _Handler[] =             UNICODE_LITERAL_7(H,a,n,d,l,e,r);
 405     static const XMLCh _id[] =                  UNICODE_LITERAL_2(i,d);
 406     static const XMLCh Implementation[] =       UNICODE_LITERAL_14(I,m,p,l,e,m,e,n,t,a,t,i,o,n);
 407     static const XMLCh InProcess[] =            UNICODE_LITERAL_9(I,n,P,r,o,c,e,s,s);
 408     static const XMLCh Library[] =              UNICODE_LITERAL_7(L,i,b,r,a,r,y);
 409     static const XMLCh Listener[] =             UNICODE_LITERAL_8(L,i,s,t,e,n,e,r);
 410     static const XMLCh Location[] =             UNICODE_LITERAL_8(L,o,c,a,t,i,o,n);
 411     static const XMLCh logger[] =               UNICODE_LITERAL_6(l,o,g,g,e,r);
 412     static const XMLCh _LogoutInitiator[] =     UNICODE_LITERAL_15(L,o,g,o,u,t,I,n,i,t,i,a,t,o,r);
 413     static const XMLCh _ManageNameIDService[] = UNICODE_LITERAL_19(M,a,n,a,g,e,N,a,m,e,I,D,S,e,r,v,i,c,e);
 414     static const XMLCh MemoryListener[] =       UNICODE_LITERAL_14(M,e,m,o,r,y,L,i,s,t,e,n,e,r);
 415     static const XMLCh _MetadataProvider[] =    UNICODE_LITERAL_16(M,e,t,a,d,a,t,a,P,r,o,v,i,d,e,r);
 416     static const XMLCh Notify[] =               UNICODE_LITERAL_6(N,o,t,i,f,y);
 417     static const XMLCh _option[] =              UNICODE_LITERAL_6(o,p,t,i,o,n);
 418     static const XMLCh OutOfProcess[] =         UNICODE_LITERAL_12(O,u,t,O,f,P,r,o,c,e,s,s);
 419     static const XMLCh _path[] =                UNICODE_LITERAL_4(p,a,t,h);
 420     static const XMLCh Policy[] =               UNICODE_LITERAL_6(P,o,l,i,c,y);
 421     static const XMLCh _provider[] =            UNICODE_LITERAL_8(p,r,o,v,i,d,e,r);
 422     static const XMLCh RelyingParty[] =         UNICODE_LITERAL_12(R,e,l,y,i,n,g,P,a,r,t,y);
 423     static const XMLCh _ReplayCache[] =         UNICODE_LITERAL_11(R,e,p,l,a,y,C,a,c,h,e);
 424     static const XMLCh _RequestMapper[] =       UNICODE_LITERAL_13(R,e,q,u,e,s,t,M,a,p,p,e,r);
 425     static const XMLCh Rule[] =                 UNICODE_LITERAL_4(R,u,l,e);
 426     static const XMLCh SecurityPolicies[] =     UNICODE_LITERAL_16(S,e,c,u,r,i,t,y,P,o,l,i,c,i,e,s);
 427     static const XMLCh _SessionCache[] =        UNICODE_LITERAL_12(S,e,s,s,i,o,n,C,a,c,h,e);
 428     static const XMLCh _SessionInitiator[] =    UNICODE_LITERAL_16(S,e,s,s,i,o,n,I,n,i,t,i,a,t,o,r);
 429     static const XMLCh _SingleLogoutService[] = UNICODE_LITERAL_19(S,i,n,g,l,e,L,o,g,o,u,t,S,e,r,v,i,c,e);
 430     static const XMLCh _StorageService[] =      UNICODE_LITERAL_14(S,t,o,r,a,g,e,S,e,r,v,i,c,e);
 431     static const XMLCh TCPListener[] =          UNICODE_LITERAL_11(T,C,P,L,i,s,t,e,n,e,r);
 432     static const XMLCh TransportOption[] =      UNICODE_LITERAL_15(T,r,a,n,s,p,o,r,t,O,p,t,i,o,n);
 433     static const XMLCh _TrustEngine[] =         UNICODE_LITERAL_11(T,r,u,s,t,E,n,g,i,n,e);
 434     static const XMLCh _type[] =                UNICODE_LITERAL_4(t,y,p,e);
 435     static const XMLCh UnixListener[] =         UNICODE_LITERAL_12(U,n,i,x,L,i,s,t,e,n,e,r);
 436
 437 #ifndef SHIBSP_LITE
 438     class SHIBSP_DLLLOCAL PolicyNodeFilter : public DOMNodeFilter
 439     {
 440     public:
 441         short acceptNode(const DOMNode* node) const {
 442             return FILTER_REJECT;
 443         }
 444     };
 445 #endif
 446 };
 447
 448 namespace shibsp {
 449     ServiceProvider* XMLServiceProviderFactory(const DOMElement* const & e)
 450     {
 451         return new XMLConfig(e);
 452     }
 453 };
 454
 455 XMLApplication::XMLApplication(
 456     const ServiceProvider* sp,
 457     const DOMElement* e,
 458     const XMLApplication* base
 459     ) : m_sp(sp), m_base(base),
 460 #ifndef SHIBSP_LITE
 461         m_metadata(NULL), m_trust(NULL),
 462         m_attrExtractor(NULL), m_attrFilter(NULL), m_attrResolver(NULL),
 463         m_credResolver(NULL), m_partyDefault(NULL),
 464 #endif
 465         m_unsetLock(NULL), m_acsDefault(NULL), m_sessionInitDefault(NULL), m_artifactResolutionDefault(NULL)
 466 {
 467 #ifdef _DEBUG
 468     xmltooling::NDC ndc("XMLApplication");
 469 #endif
 470     Category& log=Category::getInstance(SHIBSP_LOGCAT".Application");
 471
 472     try {
 473         // First load any property sets.
 474         load(e,log,this);
 475         if (base)
 476             setParent(base);
 477
 478         SPConfig& conf=SPConfig::getConfig();
 479 #ifndef SHIBSP_LITE
 480         SAMLConfig& samlConf=SAMLConfig::getConfig();
 481         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
 482 #endif
 483
 484         // This used to be an actual hash, but now it's just a hex-encode to avoid xmlsec.
 485         static char DIGITS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
 486         string tohash=getId();
 487         tohash+=getString("entityID").second;
 488         for (const char* ch = tohash.c_str(); *ch; ++ch) {
 489             m_hash += (DIGITS[((unsigned char)(0xF0 & *ch)) >> 4 ]);
 490             m_hash += (DIGITS[0x0F & *ch]);
 491         }
 492
 493         // Load attribute ID lists for REMOTE_USER and header clearing.
 494         if (conf.isEnabled(SPConfig::InProcess)) {
 495             pair<bool,const char*> attributes = getString("REMOTE_USER");
 496             if (attributes.first) {
 497                 char* dup = strdup(attributes.second);
 498                 char* pos;
 499                 char* start = dup;
 500                 while (start && *start) {
 501                     while (*start && isspace(*start))
 502                         start++;
 503                     if (!*start)
 504                         break;
 505                     pos = strchr(start,' ');
 506                     if (pos)
 507                         *pos=0;
 508                     m_remoteUsers.insert(start);
 509                     start = pos ? pos+1 : NULL;
 510                 }
 511                 free(dup);
 512             }
 513
 514             attributes = getString("unsetHeaders");
 515             if (attributes.first) {
 516                 char* dup = strdup(attributes.second);
 517                 char* pos;
 518                 char* start = dup;
 519                 while (start && *start) {
 520                     while (*start && isspace(*start))
 521                         start++;
 522                     if (!*start)
 523                         break;
 524                     pos = strchr(start,' ');
 525                     if (pos)
 526                         *pos=0;
 527
 528                     string transformed("HTTP_");
 529                     const char* pch = start;
 530                     while (*pch) {
 531                         transformed += (isalnum(*pch) ? toupper(*pch) : '_');
 532                         pch++;
 533                     }
 534                     m_unsetHeaders.push_back(pair<string,string>(start,transformed));
 535                     start = pos ? pos+1 : NULL;
 536                 }
 537                 free(dup);
 538                 m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
 539             }
 540         }
 541
 542         Handler* handler=NULL;
 543         const PropertySet* sessions = getPropertySet("Sessions");
 544
 545         // Process assertion export handler.
 546         pair<bool,const char*> location = sessions ? sessions->getString("exportLocation") : pair<bool,const char*>(false,NULL);
 547         if (location.first) {
 548             try {
 549                 handler = conf.HandlerManager.newPlugin(samlconstants::SAML20_BINDING_URI, make_pair(sessions->getElement(), getId()));
 550                 m_handlers.push_back(handler);
 551
 552                 // Insert into location map. If it contains the handlerURL, we skip past that part.
 553                 const char* pch = strstr(location.second, sessions->getString("handlerURL").second);
 554                 if (pch)
 555                     location.second = pch + strlen(sessions->getString("handlerURL").second);
 556                 if (*location.second == '/')
 557                     m_handlerMap[location.second]=handler;
 558                 else
 559                     m_handlerMap[string("/") + location.second]=handler;
 560             }
 561             catch (exception& ex) {
 562                 log.error("caught exception installing assertion lookup handler: %s", ex.what());
 563             }
 564         }
 565
 566         // Process other handlers.
 567         bool hardACS=false, hardSessionInit=false, hardArt=false;
 568         const DOMElement* child = sessions ? XMLHelper::getFirstChildElement(sessions->getElement()) : NULL;
 569         while (child) {
 570             try {
 571                 // A handler is based on the Binding property in conjunction with the element name.
 572                 // If it's an ACS or SI, also handle index/id mappings and defaulting.
 573                 if (XMLString::equals(child->getLocalName(),_AssertionConsumerService)) {
 574                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 575                     if (!bindprop.get() || !*(bindprop.get())) {
 576                         log.warn("md:AssertionConsumerService element has no Binding attribute, skipping it...");
 577                         child = XMLHelper::getNextSiblingElement(child);
 578                         continue;
 579                     }
 580                     handler=conf.AssertionConsumerServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 581                     // Map by binding (may be > 1 per binding, e.g. SAML 1.0 vs 1.1)
 582 #ifdef HAVE_GOOD_STL
 583                     m_acsBindingMap[handler->getXMLString("Binding").second].push_back(handler);
 584 #else
 585                     m_acsBindingMap[handler->getString("Binding").second].push_back(handler);
 586 #endif
 587                     m_acsIndexMap[handler->getUnsignedInt("index").second]=handler;
 588
 589                     if (!hardACS) {
 590                         pair<bool,bool> defprop=handler->getBool("isDefault");
 591                         if (defprop.first) {
 592                             if (defprop.second) {
 593                                 hardACS=true;
 594                                 m_acsDefault=handler;
 595                             }
 596                         }
 597                         else if (!m_acsDefault)
 598                             m_acsDefault=handler;
 599                     }
 600                 }
 601                 else if (XMLString::equals(child->getLocalName(),_SessionInitiator)) {
 602                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
 603                     if (!type.get() || !*(type.get())) {
 604                         log.warn("SessionInitiator element has no type attribute, skipping it...");
 605                         child = XMLHelper::getNextSiblingElement(child);
 606                         continue;
 607                     }
 608                     SessionInitiator* sihandler=conf.SessionInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
 609                     handler=sihandler;
 610                     pair<bool,const char*> si_id=handler->getString("id");
 611                     if (si_id.first && si_id.second)
 612                         m_sessionInitMap[si_id.second]=sihandler;
 613                     if (!hardSessionInit) {
 614                         pair<bool,bool> defprop=handler->getBool("isDefault");
 615                         if (defprop.first) {
 616                             if (defprop.second) {
 617                                 hardSessionInit=true;
 618                                 m_sessionInitDefault=sihandler;
 619                             }
 620                         }
 621                         else if (!m_sessionInitDefault)
 622                             m_sessionInitDefault=sihandler;
 623                     }
 624                 }
 625                 else if (XMLString::equals(child->getLocalName(),_LogoutInitiator)) {
 626                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
 627                     if (!type.get() || !*(type.get())) {
 628                         log.warn("LogoutInitiator element has no type attribute, skipping it...");
 629                         child = XMLHelper::getNextSiblingElement(child);
 630                         continue;
 631                     }
 632                     handler=conf.LogoutInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
 633                 }
 634                 else if (XMLString::equals(child->getLocalName(),_ArtifactResolutionService)) {
 635                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 636                     if (!bindprop.get() || !*(bindprop.get())) {
 637                         log.warn("md:ArtifactResolutionService element has no Binding attribute, skipping it...");
 638                         child = XMLHelper::getNextSiblingElement(child);
 639                         continue;
 640                     }
 641                     handler=conf.ArtifactResolutionServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 642
 643                     if (!hardArt) {
 644                         pair<bool,bool> defprop=handler->getBool("isDefault");
 645                         if (defprop.first) {
 646                             if (defprop.second) {
 647                                 hardArt=true;
 648                                 m_artifactResolutionDefault=handler;
 649                             }
 650                         }
 651                         else if (!m_artifactResolutionDefault)
 652                             m_artifactResolutionDefault=handler;
 653                     }
 654                 }
 655                 else if (XMLString::equals(child->getLocalName(),_SingleLogoutService)) {
 656                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 657                     if (!bindprop.get() || !*(bindprop.get())) {
 658                         log.warn("md:SingleLogoutService element has no Binding attribute, skipping it...");
 659                         child = XMLHelper::getNextSiblingElement(child);
 660                         continue;
 661                     }
 662                     handler=conf.SingleLogoutServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 663                 }
 664                 else if (XMLString::equals(child->getLocalName(),_ManageNameIDService)) {
 665                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 666                     if (!bindprop.get() || !*(bindprop.get())) {
 667                         log.warn("md:ManageNameIDService element has no Binding attribute, skipping it...");
 668                         child = XMLHelper::getNextSiblingElement(child);
 669                         continue;
 670                     }
 671                     handler=conf.ManageNameIDServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 672                 }
 673                 else {
 674                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
 675                     if (!type.get() || !*(type.get())) {
 676                         log.warn("Handler element has no type attribute, skipping it...");
 677                         child = XMLHelper::getNextSiblingElement(child);
 678                         continue;
 679                     }
 680                     handler=conf.HandlerManager.newPlugin(type.get(),make_pair(child, getId()));
 681                 }
 682
 683                 m_handlers.push_back(handler);
 684
 685                 // Insert into location map.
 686                 location=handler->getString("Location");
 687                 if (location.first && *location.second == '/')
 688                     m_handlerMap[location.second]=handler;
 689                 else if (location.first)
 690                     m_handlerMap[string("/") + location.second]=handler;
 691
 692             }
 693             catch (exception& ex) {
 694                 log.error("caught exception processing handler element: %s", ex.what());
 695             }
 696
 697             child = XMLHelper::getNextSiblingElement(child);
 698         }
 699
 700         // Notification.
 701         DOMNodeList* nlist=e->getElementsByTagNameNS(shibspconstants::SHIB2SPCONFIG_NS,Notify);
 702         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++) {
 703             if (nlist->item(i)->getParentNode()->isSameNode(e)) {
 704                 const XMLCh* channel = static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,Channel);
 705                 auto_ptr_char loc(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,Location));
 706                 if (loc.get() && *loc.get()) {
 707                     if (channel && *channel == chLatin_f)
 708                         m_frontLogout.push_back(loc.get());
 709                     else
 710                         m_backLogout.push_back(loc.get());
 711                 }
 712             }
 713         }
 714
 715 #ifndef SHIBSP_LITE
 716         nlist=e->getElementsByTagNameNS(samlconstants::SAML20_NS,Audience::LOCAL_NAME);
 717         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++)
 718             if (nlist->item(i)->getParentNode()->isSameNode(e) && nlist->item(i)->hasChildNodes())
 719                 m_audiences.push_back(nlist->item(i)->getFirstChild()->getNodeValue());
 720
 721         // Always include our own entityID as an audience.
 722         m_audiences.push_back(getXMLString("entityID").second);
 723
 724         if (conf.isEnabled(SPConfig::Metadata)) {
 725             child = XMLHelper::getFirstChildElement(e,_MetadataProvider);
 726             if (child) {
 727                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 728                 log.info("building MetadataProvider of type %s...",type.get());
 729                 try {
 730                     auto_ptr<MetadataProvider> mp(samlConf.MetadataProviderManager.newPlugin(type.get(),child));
 731                     mp->init();
 732                     m_metadata = mp.release();
 733                 }
 734                 catch (exception& ex) {
 735                     log.crit("error building/initializing MetadataProvider: %s", ex.what());
 736                 }
 737             }
 738         }
 739
 740         if (conf.isEnabled(SPConfig::Trust)) {
 741             child = XMLHelper::getFirstChildElement(e,_TrustEngine);
 742             if (child) {
 743                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 744                 log.info("building TrustEngine of type %s...",type.get());
 745                 try {
 746                     m_trust = xmlConf.TrustEngineManager.newPlugin(type.get(),child);
 747                 }
 748                 catch (exception& ex) {
 749                     log.crit("error building TrustEngine: %s", ex.what());
 750                 }
 751             }
 752         }
 753
 754         if (conf.isEnabled(SPConfig::AttributeResolution)) {
 755             child = XMLHelper::getFirstChildElement(e,_AttributeExtractor);
 756             if (child) {
 757                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 758                 log.info("building AttributeExtractor of type %s...",type.get());
 759                 try {
 760                     m_attrExtractor = conf.AttributeExtractorManager.newPlugin(type.get(),child);
 761                 }
 762                 catch (exception& ex) {
 763                     log.crit("error building AttributeExtractor: %s", ex.what());
 764                 }
 765             }
 766
 767             child = XMLHelper::getFirstChildElement(e,_AttributeFilter);
 768             if (child) {
 769                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 770                 log.info("building AttributeFilter of type %s...",type.get());
 771                 try {
 772                     m_attrFilter = conf.AttributeFilterManager.newPlugin(type.get(),child);
 773                 }
 774                 catch (exception& ex) {
 775                     log.crit("error building AttributeFilter: %s", ex.what());
 776                 }
 777             }
 778
 779             child = XMLHelper::getFirstChildElement(e,_AttributeResolver);
 780             if (child) {
 781                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 782                 log.info("building AttributeResolver of type %s...",type.get());
 783                 try {
 784                     m_attrResolver = conf.AttributeResolverManager.newPlugin(type.get(),child);
 785                 }
 786                 catch (exception& ex) {
 787                     log.crit("error building AttributeResolver: %s", ex.what());
 788                 }
 789             }
 790
 791             if (m_unsetHeaders.empty()) {
 792                 vector<string> unsetHeaders;
 793                 if (m_attrExtractor) {
 794                     Locker extlock(m_attrExtractor);
 795                     m_attrExtractor->getAttributeIds(unsetHeaders);
 796                 }
 797                 if (m_attrResolver) {
 798                     Locker reslock(m_attrResolver);
 799                     m_attrResolver->getAttributeIds(unsetHeaders);
 800                 }
 801                 if (unsetHeaders.empty()) {
 802                     if (m_base)
 803                         m_unsetHeaders.insert(m_unsetHeaders.end(), m_base->m_unsetHeaders.begin(), m_base->m_unsetHeaders.end());
 804                     else
 805                         m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
 806                 }
 807                 else {
 808                     for (vector<string>::const_iterator hdr = unsetHeaders.begin(); hdr!=unsetHeaders.end(); ++hdr) {
 809                         string transformed("HTTP_");
 810                         const char* pch = hdr->c_str();
 811                         while (*pch) {
 812                             transformed += (isalnum(*pch) ? toupper(*pch) : '_');
 813                             pch++;
 814                         }
 815                         m_unsetHeaders.push_back(pair<string,string>(*hdr,transformed));
 816                     }
 817                     m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
 818                 }
 819             }
 820         }
 821
 822         if (conf.isEnabled(SPConfig::Credentials)) {
 823             child = XMLHelper::getFirstChildElement(e,_CredentialResolver);
 824             if (child) {
 825                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 826                 log.info("building CredentialResolver of type %s...",type.get());
 827                 try {
 828                     m_credResolver = xmlConf.CredentialResolverManager.newPlugin(type.get(),child);
 829                 }
 830                 catch (exception& ex) {
 831                     log.crit("error building CredentialResolver: %s", ex.what());
 832                 }
 833             }
 834         }
 835
 836         // Finally, load relying parties.
 837         child = XMLHelper::getFirstChildElement(e,DefaultRelyingParty);
 838         if (child) {
 839             m_partyDefault=new DOMPropertySet();
 840             m_partyDefault->load(child,log,this);
 841             child = XMLHelper::getFirstChildElement(child,RelyingParty);
 842             while (child) {
 843                 auto_ptr<DOMPropertySet> rp(new DOMPropertySet());
 844                 rp->load(child,log,this);
 845                 rp->setParent(m_partyDefault);
 846                 m_partyMap[child->getAttributeNS(NULL,saml2::Attribute::NAME_ATTRIB_NAME)]=rp.release();
 847                 child = XMLHelper::getNextSiblingElement(child,RelyingParty);
 848             }
 849         }
 850 #endif
 851
 852         // In process only, we need a shared lock around accessing the header clearing list.
 853         if (!conf.isEnabled(SPConfig::OutOfProcess)) {
 854             m_unsetLock = RWLock::create();
 855         }
 856         else if (!conf.isEnabled(SPConfig::InProcess)) {
 857             ListenerService* listener = sp->getListenerService(false);
 858             if (listener) {
 859                 string addr=string(getId()) + "::getHeaders::Application";
 860                 listener->regListener(addr.c_str(),this);
 861             }
 862             else
 863                 log.info("no ListenerService available, Application remoting disabled");
 864         }
 865     }
 866     catch (exception&) {
 867         cleanup();
 868         throw;
 869     }
 870 #ifndef _DEBUG
 871     catch (...) {
 872         cleanup();
 873         throw;
 874     }
 875 #endif
 876 }
 877
 878 void XMLApplication::cleanup()
 879 {
 880     ListenerService* listener=getServiceProvider().getListenerService(false);
 881     if (listener && SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess) && !SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
 882         string addr=string(getId()) + "::getHeaders::Application";
 883         listener->unregListener(addr.c_str(),this);
 884     }
 885     delete m_unsetLock;
 886     m_unsetLock = NULL;
 887     for_each(m_handlers.begin(),m_handlers.end(),xmltooling::cleanup<Handler>());
 888     m_handlers.clear();
 889 #ifndef SHIBSP_LITE
 890     delete m_partyDefault;
 891     m_partyDefault = NULL;
 892 #ifdef HAVE_GOOD_STL
 893     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<xstring,PropertySet>());
 894 #else
 895     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<const XMLCh*,PropertySet>());
 896 #endif
 897     m_partyMap.clear();
 898     delete m_credResolver;
 899     m_credResolver = NULL;
 900     delete m_attrResolver;
 901     m_attrResolver = NULL;
 902     delete m_attrFilter;
 903     m_attrFilter = NULL;
 904     delete m_attrExtractor;
 905     m_attrExtractor = NULL;
 906     delete m_trust;
 907     m_trust = NULL;
 908     delete m_metadata;
 909     m_metadata = NULL;
 910 #endif
 911 }
 912
 913 short XMLApplication::acceptNode(const DOMNode* node) const
 914 {
 915     const XMLCh* name=node->getLocalName();
 916     if (XMLString::equals(name,_Application) ||
 917         XMLString::equals(name,_Audience) ||
 918         XMLString::equals(name,Notify) ||
 919         XMLString::equals(name,_AssertionConsumerService) ||
 920         XMLString::equals(name,_ArtifactResolutionService) ||
 921         XMLString::equals(name,_LogoutInitiator) ||
 922         XMLString::equals(name,_ManageNameIDService) ||
 923         XMLString::equals(name,_SessionInitiator) ||
 924         XMLString::equals(name,_SingleLogoutService) ||
 925         XMLString::equals(name,DefaultRelyingParty) ||
 926         XMLString::equals(name,RelyingParty) ||
 927         XMLString::equals(name,_MetadataProvider) ||
 928         XMLString::equals(name,_TrustEngine) ||
 929         XMLString::equals(name,_CredentialResolver) ||
 930         XMLString::equals(name,_AttributeFilter) ||
 931         XMLString::equals(name,_AttributeExtractor) ||
 932         XMLString::equals(name,_AttributeResolver))
 933         return FILTER_REJECT;
 934
 935     return FILTER_ACCEPT;
 936 }
 937
 938 #ifndef SHIBSP_LITE
 939
 940 const PropertySet* XMLApplication::getRelyingParty(const EntityDescriptor* provider) const
 941 {
 942     if (!m_partyDefault && m_base)
 943         return m_base->getRelyingParty(provider);
 944     else if (!provider)
 945         return m_partyDefault;
 946
 947 #ifdef HAVE_GOOD_STL
 948     map<xstring,PropertySet*>::const_iterator i=m_partyMap.find(provider->getEntityID());
 949     if (i!=m_partyMap.end())
 950         return i->second;
 951     const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
 952     while (group) {
 953         if (group->getName()) {
 954             i=m_partyMap.find(group->getName());
 955             if (i!=m_partyMap.end())
 956                 return i->second;
 957         }
 958         group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
 959     }
 960 #else
 961     map<const XMLCh*,PropertySet*>::const_iterator i=m_partyMap.begin();
 962     for (; i!=m_partyMap.end(); i++) {
 963         if (XMLString::equals(i->first,provider->getEntityID()))
 964             return i->second;
 965         const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
 966         while (group) {
 967             if (XMLString::equals(i->first,group->getName()))
 968                 return i->second;
 969             group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
 970         }
 971     }
 972 #endif
 973     return m_partyDefault;
 974 }
 975
 976 #endif
 977
 978 string XMLApplication::getNotificationURL(const char* resource, bool front, unsigned int index) const
 979 {
 980     const vector<string>& locs = front ? m_frontLogout : m_backLogout;
 981     if (locs.empty())
 982         return m_base ? m_base->getNotificationURL(resource, front, index) : string();
 983     else if (index >= locs.size())
 984         return string();
 985
 986 #ifdef HAVE_STRCASECMP
 987     if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
 988 #else
 989     if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
 990 #endif
 991         throw ConfigurationException("Request URL was not absolute.");
 992
 993     const char* handler=locs[index].c_str();
 994
 995     // Should never happen...
 996     if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
 997         throw ConfigurationException(
 998             "Invalid Location property ($1) in Notify element for Application ($2)",
 999             params(2, handler ? handler : "null", getId())
1000             );
1001
1002     // The "Location" property can be in one of three formats:
1003     //
1004     // 1) a full URI:       http://host/foo/bar
1005     // 2) a hostless URI:   http:///foo/bar
1006     // 3) a relative path:  /foo/bar
1007     //
1008     // #  Protocol  Host        Path
1009     // 1  handler   handler     handler
1010     // 2  handler   resource    handler
1011     // 3  resource  resource    handler
1012
1013     const char* path = NULL;
1014
1015     // Decide whether to use the handler or the resource for the "protocol"
1016     const char* prot;
1017     if (*handler != '/') {
1018         prot = handler;
1019     }
1020     else {
1021         prot = resource;
1022         path = handler;
1023     }
1024
1025     // break apart the "protocol" string into protocol, host, and "the rest"
1026     const char* colon=strchr(prot,':');
1027     colon += 3;
1028     const char* slash=strchr(colon,'/');
1029     if (!path)
1030         path = slash;
1031
1032     // Compute the actual protocol and store.
1033     string notifyURL(prot, colon-prot);
1034
1035     // create the "host" from either the colon/slash or from the target string
1036     // If prot == handler then we're in either #1 or #2, else #3.
1037     // If slash == colon then we're in #2.
1038     if (prot != handler || slash == colon) {
1039         colon = strchr(resource, ':');
1040         colon += 3;      // Get past the ://
1041         slash = strchr(colon, '/');
1042     }
1043     string host(colon, (slash ? slash-colon : strlen(colon)));
1044
1045     // Build the URL
1046     notifyURL += host + path;
1047     return notifyURL;
1048 }
1049
1050 const SessionInitiator* XMLApplication::getDefaultSessionInitiator() const
1051 {
1052     if (m_sessionInitDefault) return m_sessionInitDefault;
1053     return m_base ? m_base->getDefaultSessionInitiator() : NULL;
1054 }
1055
1056 const SessionInitiator* XMLApplication::getSessionInitiatorById(const char* id) const
1057 {
1058     map<string,const SessionInitiator*>::const_iterator i=m_sessionInitMap.find(id);
1059     if (i!=m_sessionInitMap.end()) return i->second;
1060     return m_base ? m_base->getSessionInitiatorById(id) : NULL;
1061 }
1062
1063 const Handler* XMLApplication::getDefaultAssertionConsumerService() const
1064 {
1065     if (m_acsDefault) return m_acsDefault;
1066     return m_base ? m_base->getDefaultAssertionConsumerService() : NULL;
1067 }
1068
1069 const Handler* XMLApplication::getAssertionConsumerServiceByIndex(unsigned short index) const
1070 {
1071     map<unsigned int,const Handler*>::const_iterator i=m_acsIndexMap.find(index);
1072     if (i!=m_acsIndexMap.end()) return i->second;
1073     return m_base ? m_base->getAssertionConsumerServiceByIndex(index) : NULL;
1074 }
1075
1076 const vector<const Handler*>& XMLApplication::getAssertionConsumerServicesByBinding(const XMLCh* binding) const
1077 {
1078 #ifdef HAVE_GOOD_STL
1079     ACSBindingMap::const_iterator i=m_acsBindingMap.find(binding);
1080 #else
1081     auto_ptr_char temp(binding);
1082     ACSBindingMap::const_iterator i=m_acsBindingMap.find(temp.get());
1083 #endif
1084     if (i!=m_acsBindingMap.end())
1085         return i->second;
1086     return m_base ? m_base->getAssertionConsumerServicesByBinding(binding) : g_noHandlers;
1087 }
1088
1089 const Handler* XMLApplication::getHandler(const char* path) const
1090 {
1091     string wrap(path);
1092     map<string,const Handler*>::const_iterator i=m_handlerMap.find(wrap.substr(0,wrap.find('?')));
1093     if (i!=m_handlerMap.end())
1094         return i->second;
1095     return m_base ? m_base->getHandler(path) : NULL;
1096 }
1097
1098 void XMLApplication::clearAttributeHeaders(SPRequest& request) const
1099 {
1100     if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
1101         for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i)
1102             request.clearHeader(i->first.c_str(), i->second.c_str());
1103         return;
1104     }
1105
1106     m_unsetLock->rdlock();
1107     if (m_unsetHeaders.empty()) {
1108         // No headers yet, so we have to request them from the remote half.
1109         m_unsetLock->unlock();
1110         m_unsetLock->wrlock();
1111         if (m_unsetHeaders.empty()) {
1112             SharedLock wrlock(m_unsetLock, false);
1113             string addr=string(getId()) + "::getHeaders::Application";
1114             DDF out,in = DDF(addr.c_str());
1115             DDFJanitor jin(in),jout(out);
1116             out = getServiceProvider().getListenerService()->send(in);
1117             if (out.islist()) {
1118                 DDF header = out.first();
1119                 while (header.isstring()) {
1120                     m_unsetHeaders.push_back(pair<string,string>(header.name(),header.string()));
1121                     header = out.next();
1122                 }
1123             }
1124         }
1125         else {
1126             m_unsetLock->unlock();
1127         }
1128         m_unsetLock->rdlock();
1129     }
1130
1131     // Now holding read lock.
1132     SharedLock unsetLock(m_unsetLock, false);
1133     for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i)
1134         request.clearHeader(i->first.c_str(), i->second.c_str());
1135 }
1136
1137 short XMLConfigImpl::acceptNode(const DOMNode* node) const
1138 {
1139     if (!XMLString::equals(node->getNamespaceURI(),shibspconstants::SHIB2SPCONFIG_NS))
1140         return FILTER_ACCEPT;
1141     const XMLCh* name=node->getLocalName();
1142     if (XMLString::equals(name,Applications) ||
1143         XMLString::equals(name,_ArtifactMap) ||
1144         XMLString::equals(name,_Extensions) ||
1145         XMLString::equals(name,Implementation) ||
1146         XMLString::equals(name,Listener) ||
1147         XMLString::equals(name,MemoryListener) ||
1148         XMLString::equals(name,Policy) ||
1149         XMLString::equals(name,_RequestMapper) ||
1150         XMLString::equals(name,_ReplayCache) ||
1151         XMLString::equals(name,_SessionCache) ||
1152         XMLString::equals(name,_StorageService) ||
1153         XMLString::equals(name,TCPListener) ||
1154         XMLString::equals(name,UnixListener))
1155         return FILTER_REJECT;
1156
1157     return FILTER_ACCEPT;
1158 }
1159
1160 void XMLConfigImpl::doExtensions(const DOMElement* e, const char* label, Category& log)
1161 {
1162     const DOMElement* exts=XMLHelper::getFirstChildElement(e,_Extensions);
1163     if (exts) {
1164         exts=XMLHelper::getFirstChildElement(exts,Library);
1165         while (exts) {
1166             auto_ptr_char path(exts->getAttributeNS(NULL,_path));
1167             try {
1168                 if (path.get()) {
1169                     XMLToolingConfig::getConfig().load_library(path.get(),(void*)exts);
1170                     log.debug("loaded %s extension library (%s)", label, path.get());
1171                 }
1172             }
1173             catch (exception& e) {
1174                 const XMLCh* fatal=exts->getAttributeNS(NULL,_fatal);
1175                 if (fatal && (*fatal==chLatin_t || *fatal==chDigit_1)) {
1176                     log.fatal("unable to load mandatory %s extension library %s: %s", label, path.get(), e.what());
1177                     throw;
1178                 }
1179                 else {
1180                     log.crit("unable to load optional %s extension library %s: %s", label, path.get(), e.what());
1181                 }
1182             }
1183             exts=XMLHelper::getNextSiblingElement(exts,Library);
1184         }
1185     }
1186 }
1187
1188 XMLConfigImpl::XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log)
1189     : m_requestMapper(NULL), m_outer(outer), m_document(NULL)
1190 {
1191 #ifdef _DEBUG
1192     xmltooling::NDC ndc("XMLConfigImpl");
1193 #endif
1194
1195     try {
1196         SPConfig& conf=SPConfig::getConfig();
1197 #ifndef SHIBSP_LITE
1198         SAMLConfig& samlConf=SAMLConfig::getConfig();
1199 #endif
1200         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
1201         const DOMElement* SHAR=XMLHelper::getFirstChildElement(e,OutOfProcess);
1202         const DOMElement* SHIRE=XMLHelper::getFirstChildElement(e,InProcess);
1203
1204         // Initialize log4cpp manually in order to redirect log messages as soon as possible.
1205         if (conf.isEnabled(SPConfig::Logging)) {
1206             const XMLCh* logconf=NULL;
1207             if (conf.isEnabled(SPConfig::OutOfProcess))
1208                 logconf=SHAR->getAttributeNS(NULL,logger);
1209             else if (conf.isEnabled(SPConfig::InProcess))
1210                 logconf=SHIRE->getAttributeNS(NULL,logger);
1211             if (!logconf || !*logconf)
1212                 logconf=e->getAttributeNS(NULL,logger);
1213             if (logconf && *logconf) {
1214                 auto_ptr_char logpath(logconf);
1215                 log.debug("loading new logging configuration from (%s), check log destination for status of configuration",logpath.get());
1216                 XMLToolingConfig::getConfig().log_config(logpath.get());
1217             }
1218
1219 #ifndef SHIBSP_LITE
1220             if (first)
1221                 m_outer->m_tranLog = new TransactionLog();
1222 #endif
1223         }
1224
1225         // First load any property sets.
1226         load(e,log,this);
1227
1228         const DOMElement* child;
1229         string plugtype;
1230
1231         // Much of the processing can only occur on the first instantiation.
1232         if (first) {
1233             // Set clock skew.
1234             pair<bool,unsigned int> skew=getUnsignedInt("clockSkew");
1235             if (skew.first)
1236                 xmlConf.clock_skew_secs=skew.second;
1237
1238             // Extensions
1239             doExtensions(e, "global", log);
1240             if (conf.isEnabled(SPConfig::OutOfProcess))
1241                 doExtensions(SHAR, "out of process", log);
1242
1243             if (conf.isEnabled(SPConfig::InProcess))
1244                 doExtensions(SHIRE, "in process", log);
1245
1246             // Instantiate the ListenerService and SessionCache objects.
1247             if (conf.isEnabled(SPConfig::Listener)) {
1248                 child=XMLHelper::getFirstChildElement(SHAR,UnixListener);
1249                 if (child)
1250                     plugtype=UNIX_LISTENER_SERVICE;
1251                 else {
1252                     child=XMLHelper::getFirstChildElement(SHAR,TCPListener);
1253                     if (child)
1254                         plugtype=TCP_LISTENER_SERVICE;
1255                     else {
1256                         child=XMLHelper::getFirstChildElement(SHAR,MemoryListener);
1257                         if (child)
1258                             plugtype=MEMORY_LISTENER_SERVICE;
1259                         else {
1260                             child=XMLHelper::getFirstChildElement(SHAR,Listener);
1261                             if (child) {
1262                                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
1263                                 if (type.get())
1264                                     plugtype=type.get();
1265                             }
1266                         }
1267                     }
1268                 }
1269                 if (child) {
1270                     log.info("building ListenerService of type %s...", plugtype.c_str());
1271                     m_outer->m_listener = conf.ListenerServiceManager.newPlugin(plugtype.c_str(),child);
1272                 }
1273                 else {
1274                     log.fatal("can't build ListenerService, missing conf:Listener element?");
1275                     throw ConfigurationException("Can't build ListenerService, missing conf:Listener element?");
1276                 }
1277             }
1278
1279             if (m_outer->m_listener && conf.isEnabled(SPConfig::OutOfProcess) && !conf.isEnabled(SPConfig::InProcess)) {
1280                 m_outer->m_listener->regListener("set::RelayState",m_outer->m_listener);
1281                 m_outer->m_listener->regListener("get::RelayState",m_outer->m_listener);
1282             }
1283
1284             if (conf.isEnabled(SPConfig::Caching)) {
1285                 if (conf.isEnabled(SPConfig::OutOfProcess)) {
1286 #ifndef SHIBSP_LITE
1287                     // First build any StorageServices.
1288                     string inmemID;
1289                     child=XMLHelper::getFirstChildElement(SHAR,_StorageService);
1290                     while (child) {
1291                         auto_ptr_char id(child->getAttributeNS(NULL,_id));
1292                         auto_ptr_char type(child->getAttributeNS(NULL,_type));
1293                         try {
1294                             log.info("building StorageService (%s) of type %s...", id.get(), type.get());
1295                             m_outer->m_storage[id.get()] = xmlConf.StorageServiceManager.newPlugin(type.get(),child);
1296                             if (!strcmp(type.get(),MEMORY_STORAGE_SERVICE))
1297                                 inmemID = id.get();
1298                         }
1299                         catch (exception& ex) {
1300                             log.crit("failed to instantiate StorageService (%s): %s", id.get(), ex.what());
1301                         }
1302                         child=XMLHelper::getNextSiblingElement(child,_StorageService);
1303                     }
1304
1305                     child=XMLHelper::getFirstChildElement(SHAR,_SessionCache);
1306                     if (child) {
1307                         auto_ptr_char type(child->getAttributeNS(NULL,_type));
1308                         log.info("building SessionCache of type %s...",type.get());
1309                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(type.get(),child);
1310                     }
1311                     else {
1312                         log.warn("SessionCache unspecified, building SessionCache of type %s...",STORAGESERVICE_SESSION_CACHE);
1313                         if (inmemID.empty()) {
1314                             inmemID = "memory";
1315                             log.info("no StorageServices configured, providing in-memory version for session cache");
1316                             m_outer->m_storage[inmemID] = xmlConf.StorageServiceManager.newPlugin(MEMORY_STORAGE_SERVICE,NULL);
1317                         }
1318                         child = e->getOwnerDocument()->createElementNS(NULL,_SessionCache);
1319                         auto_ptr_XMLCh ssid(inmemID.c_str());
1320                         const_cast<DOMElement*>(child)->setAttributeNS(NULL,_StorageService,ssid.get());
1321                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(STORAGESERVICE_SESSION_CACHE,child);
1322                     }
1323
1324                     // Replay cache.
1325                     StorageService* replaySS=NULL;
1326                     child=XMLHelper::getFirstChildElement(SHAR,_ReplayCache);
1327                     if (child) {
1328                         auto_ptr_char ssid(child->getAttributeNS(NULL,_StorageService));
1329                         if (ssid.get() && *ssid.get()) {
1330                             if (m_outer->m_storage.count(ssid.get()))
1331                                 replaySS = m_outer->m_storage[ssid.get()];
1332                             if (replaySS)
1333                                 log.info("building ReplayCache on top of StorageService (%s)...", ssid.get());
1334                             else
1335                                 log.crit("unable to locate StorageService (%s) in configuration", ssid.get());
1336                         }
1337                     }
1338                     if (!replaySS) {
1339                         log.info("building ReplayCache using in-memory StorageService...");
1340                         if (inmemID.empty()) {
1341                             inmemID = "memory";
1342                             log.info("no StorageServices configured, providing in-memory version for legacy config");
1343                             m_outer->m_storage[inmemID] = xmlConf.StorageServiceManager.newPlugin(MEMORY_STORAGE_SERVICE,NULL);
1344                         }
1345                         replaySS = m_outer->m_storage[inmemID];
1346                     }
1347                     xmlConf.setReplayCache(new ReplayCache(replaySS));
1348
1349                     // ArtifactMap
1350                     child=XMLHelper::getFirstChildElement(SHAR,_ArtifactMap);
1351                     if (child) {
1352                         auto_ptr_char ssid(child->getAttributeNS(NULL,_StorageService));
1353                         if (ssid.get() && *ssid.get() && m_outer->m_storage.count(ssid.get())) {
1354                             log.info("building ArtifactMap on top of StorageService (%s)...", ssid.get());
1355                             samlConf.setArtifactMap(new ArtifactMap(child, m_outer->m_storage[ssid.get()]));
1356                         }
1357                     }
1358                     if (samlConf.getArtifactMap()==NULL) {
1359                         log.info("building in-memory ArtifactMap...");
1360                         samlConf.setArtifactMap(new ArtifactMap(child));
1361                     }
1362 #endif
1363                 }
1364                 else {
1365                     child=XMLHelper::getFirstChildElement(SHIRE,_SessionCache);
1366                     if (child) {
1367                         auto_ptr_char type(child->getAttributeNS(NULL,_type));
1368                         log.info("building SessionCache of type %s...",type.get());
1369                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(type.get(),child);
1370                     }
1371                     else {
1372                         log.warn("SessionCache unspecified, building SessionCache of type %s...",REMOTED_SESSION_CACHE);
1373                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(REMOTED_SESSION_CACHE,child);
1374                     }
1375                 }
1376             }
1377         } // end of first-time-only stuff
1378
1379         // Back to the fully dynamic stuff...next up is the RequestMapper.
1380         if (conf.isEnabled(SPConfig::RequestMapping)) {
1381             child=XMLHelper::getFirstChildElement(SHIRE,_RequestMapper);
1382             if (child) {
1383                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
1384                 log.info("building RequestMapper of type %s...",type.get());
1385                 m_requestMapper=conf.RequestMapperManager.newPlugin(type.get(),child);
1386             }
1387         }
1388
1389 #ifndef SHIBSP_LITE
1390         // Load security policies.
1391         child = XMLHelper::getLastChildElement(e,SecurityPolicies);
1392         if (child) {
1393             PolicyNodeFilter filter;
1394             child = XMLHelper::getFirstChildElement(child,Policy);
1395             while (child) {
1396                 auto_ptr_char id(child->getAttributeNS(NULL,_id));
1397                 pair< PropertySet*,vector<const SecurityPolicyRule*> >& rules = m_policyMap[id.get()];
1398                 rules.first = NULL;
1399                 auto_ptr<DOMPropertySet> settings(new DOMPropertySet());
1400                 settings->load(child, log, &filter);
1401                 rules.first = settings.release();
1402
1403                 // Process Rule elements.
1404                 const DOMElement* rule = XMLHelper::getFirstChildElement(child,Rule);
1405                 while (rule) {
1406                     auto_ptr_char type(rule->getAttributeNS(NULL,_type));
1407                     try {
1408                         rules.second.push_back(samlConf.SecurityPolicyRuleManager.newPlugin(type.get(),rule));
1409                     }
1410                     catch (exception& ex) {
1411                         log.crit("error instantiating policy rule (%s) in policy (%s): %s", type.get(), id.get(), ex.what());
1412                     }
1413                     rule = XMLHelper::getNextSiblingElement(rule,Rule);
1414                 }
1415
1416                 // Process TransportOption elements.
1417                 rule = XMLHelper::getFirstChildElement(child,TransportOption);
1418                 while (rule) {
1419                     if (rule->hasChildNodes()) {
1420                         auto_ptr_char provider(rule->getAttributeNS(NULL,_provider));
1421                         auto_ptr_char option(rule->getAttributeNS(NULL,_option));
1422                         auto_ptr_char value(rule->getFirstChild()->getNodeValue());
1423                         if (provider.get() && *provider.get() && option.get() && *option.get() && value.get() && *value.get()) {
1424                             m_transportOptionMap[id.get()].push_back(
1425                                 make_pair(provider.get(), make_pair(option.get(), value.get()))
1426                                 );
1427                         }
1428                     }
1429                     rule = XMLHelper::getNextSiblingElement(rule,TransportOption);
1430                 }
1431
1432                 child = XMLHelper::getNextSiblingElement(child,Policy);
1433             }
1434         }
1435 #endif
1436
1437         // Load the default application. This actually has a fixed ID of "default". ;-)
1438         child=XMLHelper::getLastChildElement(e,Applications);
1439         if (!child) {
1440             log.fatal("can't build default Application object, missing conf:Applications element?");
1441             throw ConfigurationException("can't build default Application object, missing conf:Applications element?");
1442         }
1443         XMLApplication* defapp=new XMLApplication(m_outer,child);
1444         m_appmap[defapp->getId()]=defapp;
1445
1446         // Load any overrides.
1447         child = XMLHelper::getFirstChildElement(child,_Application);
1448         while (child) {
1449             auto_ptr<XMLApplication> iapp(new XMLApplication(m_outer,child,defapp));
1450             if (m_appmap.count(iapp->getId()))
1451                 log.crit("found conf:Application element with duplicate id attribute (%s), skipping it", iapp->getId());
1452             else
1453                 m_appmap[iapp->getId()]=iapp.release();
1454
1455             child = XMLHelper::getNextSiblingElement(child,_Application);
1456         }
1457     }
1458     catch (exception&) {
1459         cleanup();
1460         throw;
1461     }
1462 #ifndef _DEBUG
1463     catch (...) {
1464         cleanup();
1465         throw;
1466     }
1467 #endif
1468 }
1469
1470 XMLConfigImpl::~XMLConfigImpl()
1471 {
1472     cleanup();
1473 }
1474
1475 void XMLConfigImpl::cleanup()
1476 {
1477     for_each(m_appmap.begin(),m_appmap.end(),cleanup_pair<string,Application>());
1478     m_appmap.clear();
1479 #ifndef SHIBSP_LITE
1480     for (map< string,pair<PropertySet*,vector<const SecurityPolicyRule*> > >::iterator i=m_policyMap.begin(); i!=m_policyMap.end(); ++i) {
1481         delete i->second.first;
1482         for_each(i->second.second.begin(), i->second.second.end(), xmltooling::cleanup<SecurityPolicyRule>());
1483     }
1484     m_policyMap.clear();
1485 #endif
1486     delete m_requestMapper;
1487     m_requestMapper = NULL;
1488     if (m_document)
1489         m_document->release();
1490     m_document = NULL;
1491 }
1492
1493 void XMLConfig::receive(DDF& in, ostream& out)
1494 {
1495 #ifndef SHIBSP_LITE
1496     if (!strcmp(in.name(), "get::RelayState")) {
1497         const char* id = in["id"].string();
1498         const char* key = in["key"].string();
1499         if (!id || !key)
1500             throw ListenerException("Required parameters missing for RelayState recovery.");
1501
1502         string relayState;
1503         StorageService* storage = getStorageService(id);
1504         if (storage) {
1505             if (storage->readString("RelayState",key,&relayState)>0) {
1506                 if (in["clear"].integer())
1507                     storage->deleteString("RelayState",key);
1508             }
1509         }
1510         else {
1511             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1512                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1513                 );
1514         }
1515
1516         // Repack for return to caller.
1517         DDF ret=DDF(NULL).string(relayState.c_str());
1518         DDFJanitor jret(ret);
1519         out << ret;
1520     }
1521     else if (!strcmp(in.name(), "set::RelayState")) {
1522         const char* id = in["id"].string();
1523         const char* value = in["value"].string();
1524         if (!id || !value)
1525             throw ListenerException("Required parameters missing for RelayState creation.");
1526
1527         string rsKey;
1528         StorageService* storage = getStorageService(id);
1529         if (storage) {
1530             SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
1531             rsKey = SAMLArtifact::toHex(rsKey);
1532             storage->createString("RelayState", rsKey.c_str(), value, time(NULL) + 600);
1533         }
1534         else {
1535             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1536                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1537                 );
1538         }
1539
1540         // Repack for return to caller.
1541         DDF ret=DDF(NULL).string(rsKey.c_str());
1542         DDFJanitor jret(ret);
1543         out << ret;
1544     }
1545 #endif
1546 }
1547
1548 pair<bool,DOMElement*> XMLConfig::load()
1549 {
1550     // Load from source using base class.
1551     pair<bool,DOMElement*> raw = ReloadableXMLFile::load();
1552
1553     // If we own it, wrap it.
1554     XercesJanitor<DOMDocument> docjanitor(raw.first ? raw.second->getOwnerDocument() : NULL);
1555
1556     XMLConfigImpl* impl = new XMLConfigImpl(raw.second,(m_impl==NULL),this,m_log);
1557
1558     // If we held the document, transfer it to the impl. If we didn't, it's a no-op.
1559     impl->setDocument(docjanitor.release());
1560
1561     delete m_impl;
1562     m_impl = impl;
1563
1564     return make_pair(false,(DOMElement*)NULL);
1565 }