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