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