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.
 530                 if (*location.second == '/')
 531                     m_handlerMap[location.second]=handler;
 532                 else
 533                     m_handlerMap[string("/") + location.second]=handler;
 534             }
 535             catch (exception& ex) {
 536                 log.error("caught exception installing assertion lookup handler: %s", ex.what());
 537             }
 538         }
 539
 540         // Process other handlers.
 541         bool hardACS=false, hardSessionInit=false, hardArt=false;
 542         const DOMElement* child = sessions ? XMLHelper::getFirstChildElement(sessions->getElement()) : NULL;
 543         while (child) {
 544             try {
 545                 // A handler is based on the Binding property in conjunction with the element name.
 546                 // If it's an ACS or SI, also handle index/id mappings and defaulting.
 547                 if (XMLString::equals(child->getLocalName(),_AssertionConsumerService)) {
 548                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 549                     if (!bindprop.get() || !*(bindprop.get())) {
 550                         log.warn("md:AssertionConsumerService element has no Binding attribute, skipping it...");
 551                         child = XMLHelper::getNextSiblingElement(child);
 552                         continue;
 553                     }
 554                     handler=conf.AssertionConsumerServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 555                     // Map by binding (may be > 1 per binding, e.g. SAML 1.0 vs 1.1)
 556 #ifdef HAVE_GOOD_STL
 557                     m_acsBindingMap[handler->getXMLString("Binding").second].push_back(handler);
 558 #else
 559                     m_acsBindingMap[handler->getString("Binding").second].push_back(handler);
 560 #endif
 561                     m_acsIndexMap[handler->getUnsignedInt("index").second]=handler;
 562
 563                     if (!hardACS) {
 564                         pair<bool,bool> defprop=handler->getBool("isDefault");
 565                         if (defprop.first) {
 566                             if (defprop.second) {
 567                                 hardACS=true;
 568                                 m_acsDefault=handler;
 569                             }
 570                         }
 571                         else if (!m_acsDefault)
 572                             m_acsDefault=handler;
 573                     }
 574                 }
 575                 else if (XMLString::equals(child->getLocalName(),_SessionInitiator)) {
 576                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
 577                     if (!type.get() || !*(type.get())) {
 578                         log.warn("SessionInitiator element has no type attribute, skipping it...");
 579                         child = XMLHelper::getNextSiblingElement(child);
 580                         continue;
 581                     }
 582                     SessionInitiator* sihandler=conf.SessionInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
 583                     handler=sihandler;
 584                     pair<bool,const char*> si_id=handler->getString("id");
 585                     if (si_id.first && si_id.second)
 586                         m_sessionInitMap[si_id.second]=sihandler;
 587                     if (!hardSessionInit) {
 588                         pair<bool,bool> defprop=handler->getBool("isDefault");
 589                         if (defprop.first) {
 590                             if (defprop.second) {
 591                                 hardSessionInit=true;
 592                                 m_sessionInitDefault=sihandler;
 593                             }
 594                         }
 595                         else if (!m_sessionInitDefault)
 596                             m_sessionInitDefault=sihandler;
 597                     }
 598                 }
 599                 else if (XMLString::equals(child->getLocalName(),_LogoutInitiator)) {
 600                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
 601                     if (!type.get() || !*(type.get())) {
 602                         log.warn("LogoutInitiator element has no type attribute, skipping it...");
 603                         child = XMLHelper::getNextSiblingElement(child);
 604                         continue;
 605                     }
 606                     handler=conf.LogoutInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
 607                 }
 608                 else if (XMLString::equals(child->getLocalName(),_ArtifactResolutionService)) {
 609                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 610                     if (!bindprop.get() || !*(bindprop.get())) {
 611                         log.warn("md:ArtifactResolutionService element has no Binding attribute, skipping it...");
 612                         child = XMLHelper::getNextSiblingElement(child);
 613                         continue;
 614                     }
 615                     handler=conf.ArtifactResolutionServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 616
 617                     if (!hardArt) {
 618                         pair<bool,bool> defprop=handler->getBool("isDefault");
 619                         if (defprop.first) {
 620                             if (defprop.second) {
 621                                 hardArt=true;
 622                                 m_artifactResolutionDefault=handler;
 623                             }
 624                         }
 625                         else if (!m_artifactResolutionDefault)
 626                             m_artifactResolutionDefault=handler;
 627                     }
 628                 }
 629                 else if (XMLString::equals(child->getLocalName(),_SingleLogoutService)) {
 630                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 631                     if (!bindprop.get() || !*(bindprop.get())) {
 632                         log.warn("md:SingleLogoutService element has no Binding attribute, skipping it...");
 633                         child = XMLHelper::getNextSiblingElement(child);
 634                         continue;
 635                     }
 636                     handler=conf.SingleLogoutServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 637                 }
 638                 else if (XMLString::equals(child->getLocalName(),_ManageNameIDService)) {
 639                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
 640                     if (!bindprop.get() || !*(bindprop.get())) {
 641                         log.warn("md:ManageNameIDService element has no Binding attribute, skipping it...");
 642                         child = XMLHelper::getNextSiblingElement(child);
 643                         continue;
 644                     }
 645                     handler=conf.ManageNameIDServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 646                 }
 647                 else {
 648                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
 649                     if (!type.get() || !*(type.get())) {
 650                         log.warn("Handler element has no type attribute, skipping it...");
 651                         child = XMLHelper::getNextSiblingElement(child);
 652                         continue;
 653                     }
 654                     handler=conf.HandlerManager.newPlugin(type.get(),make_pair(child, getId()));
 655                 }
 656
 657                 m_handlers.push_back(handler);
 658
 659                 // Insert into location map.
 660                 location=handler->getString("Location");
 661                 if (location.first && *location.second == '/')
 662                     m_handlerMap[location.second]=handler;
 663                 else if (location.first)
 664                     m_handlerMap[string("/") + location.second]=handler;
 665
 666             }
 667             catch (exception& ex) {
 668                 log.error("caught exception processing handler element: %s", ex.what());
 669             }
 670
 671             child = XMLHelper::getNextSiblingElement(child);
 672         }
 673
 674         // Notification.
 675         DOMNodeList* nlist=e->getElementsByTagNameNS(shibspconstants::SHIB2SPCONFIG_NS,Notify);
 676         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++) {
 677             if (nlist->item(i)->getParentNode()->isSameNode(e)) {
 678                 const XMLCh* channel = static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,Channel);
 679                 auto_ptr_char loc(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,Location));
 680                 if (loc.get() && *loc.get()) {
 681                     if (channel && *channel == chLatin_f)
 682                         m_frontLogout.push_back(loc.get());
 683                     else
 684                         m_backLogout.push_back(loc.get());
 685                 }
 686             }
 687         }
 688
 689 #ifndef SHIBSP_LITE
 690         nlist=e->getElementsByTagNameNS(samlconstants::SAML20_NS,Audience::LOCAL_NAME);
 691         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++)
 692             if (nlist->item(i)->getParentNode()->isSameNode(e) && nlist->item(i)->hasChildNodes())
 693                 m_audiences.push_back(nlist->item(i)->getFirstChild()->getNodeValue());
 694
 695         // Always include our own entityID as an audience.
 696         m_audiences.push_back(getXMLString("entityID").second);
 697
 698         if (conf.isEnabled(SPConfig::Metadata)) {
 699             child = XMLHelper::getFirstChildElement(e,_MetadataProvider);
 700             if (child) {
 701                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 702                 log.info("building MetadataProvider of type %s...",type.get());
 703                 try {
 704                     auto_ptr<MetadataProvider> mp(samlConf.MetadataProviderManager.newPlugin(type.get(),child));
 705                     mp->init();
 706                     m_metadata = mp.release();
 707                 }
 708                 catch (exception& ex) {
 709                     log.crit("error building/initializing MetadataProvider: %s", ex.what());
 710                 }
 711             }
 712         }
 713
 714         if (conf.isEnabled(SPConfig::Trust)) {
 715             child = XMLHelper::getFirstChildElement(e,_TrustEngine);
 716             if (child) {
 717                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 718                 log.info("building TrustEngine of type %s...",type.get());
 719                 try {
 720                     m_trust = xmlConf.TrustEngineManager.newPlugin(type.get(),child);
 721                 }
 722                 catch (exception& ex) {
 723                     log.crit("error building TrustEngine: %s", ex.what());
 724                 }
 725             }
 726         }
 727
 728         if (conf.isEnabled(SPConfig::AttributeResolution)) {
 729             child = XMLHelper::getFirstChildElement(e,_AttributeExtractor);
 730             if (child) {
 731                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 732                 log.info("building AttributeExtractor of type %s...",type.get());
 733                 try {
 734                     m_attrExtractor = conf.AttributeExtractorManager.newPlugin(type.get(),child);
 735                 }
 736                 catch (exception& ex) {
 737                     log.crit("error building AttributeExtractor: %s", ex.what());
 738                 }
 739             }
 740
 741             child = XMLHelper::getFirstChildElement(e,_AttributeFilter);
 742             if (child) {
 743                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 744                 log.info("building AttributeFilter of type %s...",type.get());
 745                 try {
 746                     m_attrFilter = conf.AttributeFilterManager.newPlugin(type.get(),child);
 747                 }
 748                 catch (exception& ex) {
 749                     log.crit("error building AttributeFilter: %s", ex.what());
 750                 }
 751             }
 752
 753             child = XMLHelper::getFirstChildElement(e,_AttributeResolver);
 754             if (child) {
 755                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 756                 log.info("building AttributeResolver of type %s...",type.get());
 757                 try {
 758                     m_attrResolver = conf.AttributeResolverManager.newPlugin(type.get(),child);
 759                 }
 760                 catch (exception& ex) {
 761                     log.crit("error building AttributeResolver: %s", ex.what());
 762                 }
 763             }
 764
 765             if (m_unsetHeaders.empty()) {
 766                 vector<string> unsetHeaders;
 767                 if (m_attrExtractor) {
 768                     Locker extlock(m_attrExtractor);
 769                     m_attrExtractor->getAttributeIds(unsetHeaders);
 770                 }
 771                 if (m_attrResolver) {
 772                     Locker reslock(m_attrResolver);
 773                     m_attrResolver->getAttributeIds(unsetHeaders);
 774                 }
 775                 if (unsetHeaders.empty()) {
 776                     if (m_base)
 777                         m_unsetHeaders.insert(m_unsetHeaders.end(), m_base->m_unsetHeaders.begin(), m_base->m_unsetHeaders.end());
 778                     else
 779                         m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
 780                 }
 781                 else {
 782                     for (vector<string>::const_iterator hdr = unsetHeaders.begin(); hdr!=unsetHeaders.end(); ++hdr) {
 783                         string transformed("HTTP_");
 784                         const char* pch = hdr->c_str();
 785                         while (*pch) {
 786                             transformed += (isalnum(*pch) ? toupper(*pch) : '_');
 787                             pch++;
 788                         }
 789                         m_unsetHeaders.push_back(pair<string,string>(*hdr,transformed));
 790                     }
 791                     m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
 792                 }
 793             }
 794         }
 795
 796         if (conf.isEnabled(SPConfig::Credentials)) {
 797             child = XMLHelper::getFirstChildElement(e,_CredentialResolver);
 798             if (child) {
 799                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
 800                 log.info("building CredentialResolver of type %s...",type.get());
 801                 try {
 802                     m_credResolver = xmlConf.CredentialResolverManager.newPlugin(type.get(),child);
 803                 }
 804                 catch (exception& ex) {
 805                     log.crit("error building CredentialResolver: %s", ex.what());
 806                 }
 807             }
 808         }
 809
 810         // Finally, load relying parties.
 811         child = XMLHelper::getFirstChildElement(e,DefaultRelyingParty);
 812         if (child) {
 813             m_partyDefault=new DOMPropertySet();
 814             m_partyDefault->load(child,log,this);
 815             child = XMLHelper::getFirstChildElement(child,RelyingParty);
 816             while (child) {
 817                 auto_ptr<DOMPropertySet> rp(new DOMPropertySet());
 818                 rp->load(child,log,this);
 819                 rp->setParent(m_partyDefault);
 820                 m_partyMap[child->getAttributeNS(NULL,saml2::Attribute::NAME_ATTRIB_NAME)]=rp.release();
 821                 child = XMLHelper::getNextSiblingElement(child,RelyingParty);
 822             }
 823         }
 824 #endif
 825
 826         // In process only, we need a shared lock around accessing the header clearing list.
 827         if (!conf.isEnabled(SPConfig::OutOfProcess)) {
 828             m_unsetLock = RWLock::create();
 829         }
 830         else if (!conf.isEnabled(SPConfig::InProcess)) {
 831             ListenerService* listener = sp->getListenerService(false);
 832             if (listener) {
 833                 string addr=string(getId()) + "::getHeaders::Application";
 834                 listener->regListener(addr.c_str(),this);
 835             }
 836             else
 837                 log.info("no ListenerService available, Application remoting disabled");
 838         }
 839     }
 840     catch (exception&) {
 841         cleanup();
 842         throw;
 843     }
 844 #ifndef _DEBUG
 845     catch (...) {
 846         cleanup();
 847         throw;
 848     }
 849 #endif
 850 }
 851
 852 void XMLApplication::cleanup()
 853 {
 854     ListenerService* listener=getServiceProvider().getListenerService(false);
 855     if (listener && SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess) && !SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
 856         string addr=string(getId()) + "::getHeaders::Application";
 857         listener->unregListener(addr.c_str(),this);
 858     }
 859     delete m_unsetLock;
 860     m_unsetLock = NULL;
 861     for_each(m_handlers.begin(),m_handlers.end(),xmltooling::cleanup<Handler>());
 862     m_handlers.clear();
 863 #ifndef SHIBSP_LITE
 864     delete m_partyDefault;
 865     m_partyDefault = NULL;
 866 #ifdef HAVE_GOOD_STL
 867     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<xstring,PropertySet>());
 868 #else
 869     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<const XMLCh*,PropertySet>());
 870 #endif
 871     m_partyMap.clear();
 872     delete m_credResolver;
 873     m_credResolver = NULL;
 874     delete m_attrResolver;
 875     m_attrResolver = NULL;
 876     delete m_attrFilter;
 877     m_attrFilter = NULL;
 878     delete m_attrExtractor;
 879     m_attrExtractor = NULL;
 880     delete m_trust;
 881     m_trust = NULL;
 882     delete m_metadata;
 883     m_metadata = NULL;
 884 #endif
 885 }
 886
 887 short XMLApplication::acceptNode(const DOMNode* node) const
 888 {
 889     const XMLCh* name=node->getLocalName();
 890     if (XMLString::equals(name,_Application) ||
 891         XMLString::equals(name,_Audience) ||
 892         XMLString::equals(name,Notify) ||
 893         XMLString::equals(name,_AssertionConsumerService) ||
 894         XMLString::equals(name,_ArtifactResolutionService) ||
 895         XMLString::equals(name,_LogoutInitiator) ||
 896         XMLString::equals(name,_ManageNameIDService) ||
 897         XMLString::equals(name,_SessionInitiator) ||
 898         XMLString::equals(name,_SingleLogoutService) ||
 899         XMLString::equals(name,DefaultRelyingParty) ||
 900         XMLString::equals(name,RelyingParty) ||
 901         XMLString::equals(name,_MetadataProvider) ||
 902         XMLString::equals(name,_TrustEngine) ||
 903         XMLString::equals(name,_CredentialResolver) ||
 904         XMLString::equals(name,_AttributeFilter) ||
 905         XMLString::equals(name,_AttributeExtractor) ||
 906         XMLString::equals(name,_AttributeResolver))
 907         return FILTER_REJECT;
 908
 909     return FILTER_ACCEPT;
 910 }
 911
 912 #ifndef SHIBSP_LITE
 913
 914 const PropertySet* XMLApplication::getRelyingParty(const EntityDescriptor* provider) const
 915 {
 916     if (!m_partyDefault && m_base)
 917         return m_base->getRelyingParty(provider);
 918     else if (!provider)
 919         return m_partyDefault;
 920
 921 #ifdef HAVE_GOOD_STL
 922     map<xstring,PropertySet*>::const_iterator i=m_partyMap.find(provider->getEntityID());
 923     if (i!=m_partyMap.end())
 924         return i->second;
 925     const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
 926     while (group) {
 927         if (group->getName()) {
 928             i=m_partyMap.find(group->getName());
 929             if (i!=m_partyMap.end())
 930                 return i->second;
 931         }
 932         group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
 933     }
 934 #else
 935     map<const XMLCh*,PropertySet*>::const_iterator i=m_partyMap.begin();
 936     for (; i!=m_partyMap.end(); i++) {
 937         if (XMLString::equals(i->first,provider->getId()))
 938             return i->second;
 939         const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
 940         while (group) {
 941             if (XMLString::equals(i->first,group->getName()))
 942                 return i->second;
 943             group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
 944         }
 945     }
 946 #endif
 947     return m_partyDefault;
 948 }
 949
 950 #endif
 951
 952 string XMLApplication::getNotificationURL(const char* resource, bool front, unsigned int index) const
 953 {
 954     const vector<string>& locs = front ? m_frontLogout : m_backLogout;
 955     if (locs.empty())
 956         return m_base ? m_base->getNotificationURL(resource, front, index) : string();
 957     else if (index >= locs.size())
 958         return string();
 959
 960 #ifdef HAVE_STRCASECMP
 961     if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
 962 #else
 963     if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
 964 #endif
 965         throw ConfigurationException("Request URL was not absolute.");
 966
 967     const char* handler=locs[index].c_str();
 968
 969     // Should never happen...
 970     if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
 971         throw ConfigurationException(
 972             "Invalid Location property ($1) in Notify element for Application ($2)",
 973             params(2, handler ? handler : "null", getId())
 974             );
 975
 976     // The "Location" property can be in one of three formats:
 977     //
 978     // 1) a full URI:       http://host/foo/bar
 979     // 2) a hostless URI:   http:///foo/bar
 980     // 3) a relative path:  /foo/bar
 981     //
 982     // #  Protocol  Host        Path
 983     // 1  handler   handler     handler
 984     // 2  handler   resource    handler
 985     // 3  resource  resource    handler
 986
 987     const char* path = NULL;
 988
 989     // Decide whether to use the handler or the resource for the "protocol"
 990     const char* prot;
 991     if (*handler != '/') {
 992         prot = handler;
 993     }
 994     else {
 995         prot = resource;
 996         path = handler;
 997     }
 998
 999     // break apart the "protocol" string into protocol, host, and "the rest"
1000     const char* colon=strchr(prot,':');
1001     colon += 3;
1002     const char* slash=strchr(colon,'/');
1003     if (!path)
1004         path = slash;
1005
1006     // Compute the actual protocol and store.
1007     string notifyURL(prot, colon-prot);
1008
1009     // create the "host" from either the colon/slash or from the target string
1010     // If prot == handler then we're in either #1 or #2, else #3.
1011     // If slash == colon then we're in #2.
1012     if (prot != handler || slash == colon) {
1013         colon = strchr(resource, ':');
1014         colon += 3;      // Get past the ://
1015         slash = strchr(colon, '/');
1016     }
1017     string host(colon, (slash ? slash-colon : strlen(colon)));
1018
1019     // Build the URL
1020     notifyURL += host + path;
1021     return notifyURL;
1022 }
1023
1024 const SessionInitiator* XMLApplication::getDefaultSessionInitiator() const
1025 {
1026     if (m_sessionInitDefault) return m_sessionInitDefault;
1027     return m_base ? m_base->getDefaultSessionInitiator() : NULL;
1028 }
1029
1030 const SessionInitiator* XMLApplication::getSessionInitiatorById(const char* id) const
1031 {
1032     map<string,const SessionInitiator*>::const_iterator i=m_sessionInitMap.find(id);
1033     if (i!=m_sessionInitMap.end()) return i->second;
1034     return m_base ? m_base->getSessionInitiatorById(id) : NULL;
1035 }
1036
1037 const Handler* XMLApplication::getDefaultAssertionConsumerService() const
1038 {
1039     if (m_acsDefault) return m_acsDefault;
1040     return m_base ? m_base->getDefaultAssertionConsumerService() : NULL;
1041 }
1042
1043 const Handler* XMLApplication::getAssertionConsumerServiceByIndex(unsigned short index) const
1044 {
1045     map<unsigned int,const Handler*>::const_iterator i=m_acsIndexMap.find(index);
1046     if (i!=m_acsIndexMap.end()) return i->second;
1047     return m_base ? m_base->getAssertionConsumerServiceByIndex(index) : NULL;
1048 }
1049
1050 const vector<const Handler*>& XMLApplication::getAssertionConsumerServicesByBinding(const XMLCh* binding) const
1051 {
1052 #ifdef HAVE_GOOD_STL
1053     ACSBindingMap::const_iterator i=m_acsBindingMap.find(binding);
1054 #else
1055     auto_ptr_char temp(binding);
1056     ACSBindingMap::const_iterator i=m_acsBindingMap.find(temp.get());
1057 #endif
1058     if (i!=m_acsBindingMap.end())
1059         return i->second;
1060     return m_base ? m_base->getAssertionConsumerServicesByBinding(binding) : g_noHandlers;
1061 }
1062
1063 const Handler* XMLApplication::getHandler(const char* path) const
1064 {
1065     string wrap(path);
1066     map<string,const Handler*>::const_iterator i=m_handlerMap.find(wrap.substr(0,wrap.find('?')));
1067     if (i!=m_handlerMap.end())
1068         return i->second;
1069     return m_base ? m_base->getHandler(path) : NULL;
1070 }
1071
1072 void XMLApplication::clearAttributeHeaders(SPRequest& request) const
1073 {
1074     if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
1075         for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i)
1076             request.clearHeader(i->first.c_str(), i->second.c_str());
1077         return;
1078     }
1079
1080     m_unsetLock->rdlock();
1081     if (m_unsetHeaders.empty()) {
1082         // No headers yet, so we have to request them from the remote half.
1083         m_unsetLock->unlock();
1084         m_unsetLock->wrlock();
1085         if (m_unsetHeaders.empty()) {
1086             SharedLock wrlock(m_unsetLock, false);
1087             string addr=string(getId()) + "::getHeaders::Application";
1088             DDF out,in = DDF(addr.c_str());
1089             DDFJanitor jin(in),jout(out);
1090             out = getServiceProvider().getListenerService()->send(in);
1091             if (out.islist()) {
1092                 DDF header = out.first();
1093                 while (header.isstring()) {
1094                     m_unsetHeaders.push_back(pair<string,string>(header.name(),header.string()));
1095                     header = out.next();
1096                 }
1097             }
1098         }
1099         else {
1100             m_unsetLock->unlock();
1101         }
1102         m_unsetLock->rdlock();
1103     }
1104
1105     // Now holding read lock.
1106     SharedLock unsetLock(m_unsetLock, false);
1107     for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i)
1108         request.clearHeader(i->first.c_str(), i->second.c_str());
1109 }
1110
1111 short XMLConfigImpl::acceptNode(const DOMNode* node) const
1112 {
1113     if (!XMLString::equals(node->getNamespaceURI(),shibspconstants::SHIB2SPCONFIG_NS))
1114         return FILTER_ACCEPT;
1115     const XMLCh* name=node->getLocalName();
1116     if (XMLString::equals(name,Applications) ||
1117         XMLString::equals(name,_ArtifactMap) ||
1118         XMLString::equals(name,_Extensions) ||
1119         XMLString::equals(name,Implementation) ||
1120         XMLString::equals(name,Listener) ||
1121         XMLString::equals(name,MemoryListener) ||
1122         XMLString::equals(name,Policy) ||
1123         XMLString::equals(name,_RequestMapper) ||
1124         XMLString::equals(name,_ReplayCache) ||
1125         XMLString::equals(name,_SessionCache) ||
1126         XMLString::equals(name,_StorageService) ||
1127         XMLString::equals(name,TCPListener) ||
1128         XMLString::equals(name,UnixListener))
1129         return FILTER_REJECT;
1130
1131     return FILTER_ACCEPT;
1132 }
1133
1134 void XMLConfigImpl::doExtensions(const DOMElement* e, const char* label, Category& log)
1135 {
1136     const DOMElement* exts=XMLHelper::getFirstChildElement(e,_Extensions);
1137     if (exts) {
1138         exts=XMLHelper::getFirstChildElement(exts,Library);
1139         while (exts) {
1140             auto_ptr_char path(exts->getAttributeNS(NULL,_path));
1141             try {
1142                 if (path.get()) {
1143                     XMLToolingConfig::getConfig().load_library(path.get(),(void*)exts);
1144                     log.debug("loaded %s extension library (%s)", label, path.get());
1145                 }
1146             }
1147             catch (exception& e) {
1148                 const XMLCh* fatal=exts->getAttributeNS(NULL,_fatal);
1149                 if (fatal && (*fatal==chLatin_t || *fatal==chDigit_1)) {
1150                     log.fatal("unable to load mandatory %s extension library %s: %s", label, path.get(), e.what());
1151                     throw;
1152                 }
1153                 else {
1154                     log.crit("unable to load optional %s extension library %s: %s", label, path.get(), e.what());
1155                 }
1156             }
1157             exts=XMLHelper::getNextSiblingElement(exts,Library);
1158         }
1159     }
1160 }
1161
1162 XMLConfigImpl::XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log)
1163     : m_requestMapper(NULL), m_outer(outer), m_document(NULL)
1164 {
1165 #ifdef _DEBUG
1166     xmltooling::NDC ndc("XMLConfigImpl");
1167 #endif
1168
1169     try {
1170         SPConfig& conf=SPConfig::getConfig();
1171 #ifndef SHIBSP_LITE
1172         SAMLConfig& samlConf=SAMLConfig::getConfig();
1173 #endif
1174         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
1175         const DOMElement* SHAR=XMLHelper::getFirstChildElement(e,OutOfProcess);
1176         const DOMElement* SHIRE=XMLHelper::getFirstChildElement(e,InProcess);
1177
1178         // Initialize log4cpp manually in order to redirect log messages as soon as possible.
1179         if (conf.isEnabled(SPConfig::Logging)) {
1180             const XMLCh* logconf=NULL;
1181             if (conf.isEnabled(SPConfig::OutOfProcess))
1182                 logconf=SHAR->getAttributeNS(NULL,logger);
1183             else if (conf.isEnabled(SPConfig::InProcess))
1184                 logconf=SHIRE->getAttributeNS(NULL,logger);
1185             if (!logconf || !*logconf)
1186                 logconf=e->getAttributeNS(NULL,logger);
1187             if (logconf && *logconf) {
1188                 auto_ptr_char logpath(logconf);
1189                 log.debug("loading new logging configuration from (%s), check log destination for status of configuration",logpath.get());
1190                 XMLToolingConfig::getConfig().log_config(logpath.get());
1191             }
1192
1193 #ifndef SHIBSP_LITE
1194             if (first)
1195                 m_outer->m_tranLog = new TransactionLog();
1196 #endif
1197         }
1198
1199         // First load any property sets.
1200         load(e,log,this);
1201
1202         const DOMElement* child;
1203         string plugtype;
1204
1205         // Much of the processing can only occur on the first instantiation.
1206         if (first) {
1207             // Set clock skew.
1208             pair<bool,unsigned int> skew=getUnsignedInt("clockSkew");
1209             if (skew.first)
1210                 xmlConf.clock_skew_secs=skew.second;
1211
1212             // Extensions
1213             doExtensions(e, "global", log);
1214             if (conf.isEnabled(SPConfig::OutOfProcess))
1215                 doExtensions(SHAR, "out of process", log);
1216
1217             if (conf.isEnabled(SPConfig::InProcess))
1218                 doExtensions(SHIRE, "in process", log);
1219
1220             // Instantiate the ListenerService and SessionCache objects.
1221             if (conf.isEnabled(SPConfig::Listener)) {
1222                 child=XMLHelper::getFirstChildElement(SHAR,UnixListener);
1223                 if (child)
1224                     plugtype=UNIX_LISTENER_SERVICE;
1225                 else {
1226                     child=XMLHelper::getFirstChildElement(SHAR,TCPListener);
1227                     if (child)
1228                         plugtype=TCP_LISTENER_SERVICE;
1229                     else {
1230                         child=XMLHelper::getFirstChildElement(SHAR,MemoryListener);
1231                         if (child)
1232                             plugtype=MEMORY_LISTENER_SERVICE;
1233                         else {
1234                             child=XMLHelper::getFirstChildElement(SHAR,Listener);
1235                             if (child) {
1236                                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
1237                                 if (type.get())
1238                                     plugtype=type.get();
1239                             }
1240                         }
1241                     }
1242                 }
1243                 if (child) {
1244                     log.info("building ListenerService of type %s...", plugtype.c_str());
1245                     m_outer->m_listener = conf.ListenerServiceManager.newPlugin(plugtype.c_str(),child);
1246                 }
1247                 else {
1248                     log.fatal("can't build ListenerService, missing conf:Listener element?");
1249                     throw ConfigurationException("Can't build ListenerService, missing conf:Listener element?");
1250                 }
1251             }
1252
1253             if (m_outer->m_listener && conf.isEnabled(SPConfig::OutOfProcess) && !conf.isEnabled(SPConfig::InProcess)) {
1254                 m_outer->m_listener->regListener("set::RelayState",m_outer->m_listener);
1255                 m_outer->m_listener->regListener("get::RelayState",m_outer->m_listener);
1256             }
1257
1258             if (conf.isEnabled(SPConfig::Caching)) {
1259                 if (conf.isEnabled(SPConfig::OutOfProcess)) {
1260 #ifndef SHIBSP_LITE
1261                     // First build any StorageServices.
1262                     string inmemID;
1263                     child=XMLHelper::getFirstChildElement(SHAR,_StorageService);
1264                     while (child) {
1265                         auto_ptr_char id(child->getAttributeNS(NULL,_id));
1266                         auto_ptr_char type(child->getAttributeNS(NULL,_type));
1267                         try {
1268                             log.info("building StorageService (%s) of type %s...", id.get(), type.get());
1269                             m_outer->m_storage[id.get()] = xmlConf.StorageServiceManager.newPlugin(type.get(),child);
1270                             if (!strcmp(type.get(),MEMORY_STORAGE_SERVICE))
1271                                 inmemID = id.get();
1272                         }
1273                         catch (exception& ex) {
1274                             log.crit("failed to instantiate StorageService (%s): %s", id.get(), ex.what());
1275                         }
1276                         child=XMLHelper::getNextSiblingElement(child,_StorageService);
1277                     }
1278
1279                     child=XMLHelper::getFirstChildElement(SHAR,_SessionCache);
1280                     if (child) {
1281                         auto_ptr_char type(child->getAttributeNS(NULL,_type));
1282                         log.info("building SessionCache of type %s...",type.get());
1283                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(type.get(),child);
1284                     }
1285                     else {
1286                         log.warn("SessionCache unspecified, building SessionCache of type %s...",STORAGESERVICE_SESSION_CACHE);
1287                         if (inmemID.empty()) {
1288                             inmemID = "memory";
1289                             log.info("no StorageServices configured, providing in-memory version for session cache");
1290                             m_outer->m_storage[inmemID] = xmlConf.StorageServiceManager.newPlugin(MEMORY_STORAGE_SERVICE,NULL);
1291                         }
1292                         child = e->getOwnerDocument()->createElementNS(NULL,_SessionCache);
1293                         auto_ptr_XMLCh ssid(inmemID.c_str());
1294                         const_cast<DOMElement*>(child)->setAttributeNS(NULL,_StorageService,ssid.get());
1295                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(STORAGESERVICE_SESSION_CACHE,child);
1296                     }
1297
1298                     // Replay cache.
1299                     StorageService* replaySS=NULL;
1300                     child=XMLHelper::getFirstChildElement(SHAR,_ReplayCache);
1301                     if (child) {
1302                         auto_ptr_char ssid(child->getAttributeNS(NULL,_StorageService));
1303                         if (ssid.get() && *ssid.get()) {
1304                             if (m_outer->m_storage.count(ssid.get()))
1305                                 replaySS = m_outer->m_storage[ssid.get()];
1306                             if (replaySS)
1307                                 log.info("building ReplayCache on top of StorageService (%s)...", ssid.get());
1308                             else
1309                                 log.crit("unable to locate StorageService (%s) in configuration", ssid.get());
1310                         }
1311                     }
1312                     if (!replaySS) {
1313                         log.info("building ReplayCache using in-memory StorageService...");
1314                         if (inmemID.empty()) {
1315                             inmemID = "memory";
1316                             log.info("no StorageServices configured, providing in-memory version for legacy config");
1317                             m_outer->m_storage[inmemID] = xmlConf.StorageServiceManager.newPlugin(MEMORY_STORAGE_SERVICE,NULL);
1318                         }
1319                         replaySS = m_outer->m_storage[inmemID];
1320                     }
1321                     xmlConf.setReplayCache(new ReplayCache(replaySS));
1322
1323                     // ArtifactMap
1324                     child=XMLHelper::getFirstChildElement(SHAR,_ArtifactMap);
1325                     if (child) {
1326                         auto_ptr_char ssid(child->getAttributeNS(NULL,_StorageService));
1327                         if (ssid.get() && *ssid.get() && m_outer->m_storage.count(ssid.get())) {
1328                             log.info("building ArtifactMap on top of StorageService (%s)...", ssid.get());
1329                             samlConf.setArtifactMap(new ArtifactMap(child, m_outer->m_storage[ssid.get()]));
1330                         }
1331                     }
1332                     if (samlConf.getArtifactMap()==NULL) {
1333                         log.info("building in-memory ArtifactMap...");
1334                         samlConf.setArtifactMap(new ArtifactMap(child));
1335                     }
1336 #endif
1337                 }
1338                 else {
1339                     child=XMLHelper::getFirstChildElement(SHIRE,_SessionCache);
1340                     if (child) {
1341                         auto_ptr_char type(child->getAttributeNS(NULL,_type));
1342                         log.info("building SessionCache of type %s...",type.get());
1343                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(type.get(),child);
1344                     }
1345                     else {
1346                         log.warn("SessionCache unspecified, building SessionCache of type %s...",REMOTED_SESSION_CACHE);
1347                         m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(REMOTED_SESSION_CACHE,child);
1348                     }
1349                 }
1350             }
1351         } // end of first-time-only stuff
1352
1353         // Back to the fully dynamic stuff...next up is the RequestMapper.
1354         if (conf.isEnabled(SPConfig::RequestMapping)) {
1355             child=XMLHelper::getFirstChildElement(SHIRE,_RequestMapper);
1356             if (child) {
1357                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
1358                 log.info("building RequestMapper of type %s...",type.get());
1359                 m_requestMapper=conf.RequestMapperManager.newPlugin(type.get(),child);
1360             }
1361         }
1362
1363 #ifndef SHIBSP_LITE
1364         // Load security policies.
1365         child = XMLHelper::getLastChildElement(e,SecurityPolicies);
1366         if (child) {
1367             PolicyNodeFilter filter;
1368             child = XMLHelper::getFirstChildElement(child,Policy);
1369             while (child) {
1370                 auto_ptr_char id(child->getAttributeNS(NULL,_id));
1371                 pair< PropertySet*,vector<const SecurityPolicyRule*> >& rules = m_policyMap[id.get()];
1372                 rules.first = NULL;
1373                 auto_ptr<DOMPropertySet> settings(new DOMPropertySet());
1374                 settings->load(child, log, &filter);
1375                 rules.first = settings.release();
1376                 const DOMElement* rule = XMLHelper::getFirstChildElement(child,Rule);
1377                 while (rule) {
1378                     auto_ptr_char type(rule->getAttributeNS(NULL,_type));
1379                     try {
1380                         rules.second.push_back(samlConf.SecurityPolicyRuleManager.newPlugin(type.get(),rule));
1381                     }
1382                     catch (exception& ex) {
1383                         log.crit("error instantiating policy rule (%s) in policy (%s): %s", type.get(), id.get(), ex.what());
1384                     }
1385                     rule = XMLHelper::getNextSiblingElement(rule,Rule);
1386                 }
1387                 child = XMLHelper::getNextSiblingElement(child,Policy);
1388             }
1389         }
1390 #endif
1391
1392         // Load the default application. This actually has a fixed ID of "default". ;-)
1393         child=XMLHelper::getLastChildElement(e,Applications);
1394         if (!child) {
1395             log.fatal("can't build default Application object, missing conf:Applications element?");
1396             throw ConfigurationException("can't build default Application object, missing conf:Applications element?");
1397         }
1398         XMLApplication* defapp=new XMLApplication(m_outer,child);
1399         m_appmap[defapp->getId()]=defapp;
1400
1401         // Load any overrides.
1402         child = XMLHelper::getFirstChildElement(child,_Application);
1403         while (child) {
1404             auto_ptr<XMLApplication> iapp(new XMLApplication(m_outer,child,defapp));
1405             if (m_appmap.count(iapp->getId()))
1406                 log.crit("found conf:Application element with duplicate id attribute (%s), skipping it", iapp->getId());
1407             else
1408                 m_appmap[iapp->getId()]=iapp.release();
1409
1410             child = XMLHelper::getNextSiblingElement(child,_Application);
1411         }
1412     }
1413     catch (exception&) {
1414         cleanup();
1415         throw;
1416     }
1417 #ifndef _DEBUG
1418     catch (...) {
1419         cleanup();
1420         throw;
1421     }
1422 #endif
1423 }
1424
1425 XMLConfigImpl::~XMLConfigImpl()
1426 {
1427     cleanup();
1428 }
1429
1430 void XMLConfigImpl::cleanup()
1431 {
1432     for_each(m_appmap.begin(),m_appmap.end(),cleanup_pair<string,Application>());
1433     m_appmap.clear();
1434 #ifndef SHIBSP_LITE
1435     for (map< string,pair<PropertySet*,vector<const SecurityPolicyRule*> > >::iterator i=m_policyMap.begin(); i!=m_policyMap.end(); ++i) {
1436         delete i->second.first;
1437         for_each(i->second.second.begin(), i->second.second.end(), xmltooling::cleanup<SecurityPolicyRule>());
1438     }
1439     m_policyMap.clear();
1440 #endif
1441     delete m_requestMapper;
1442     m_requestMapper = NULL;
1443     if (m_document)
1444         m_document->release();
1445     m_document = NULL;
1446 }
1447
1448 void XMLConfig::receive(DDF& in, ostream& out)
1449 {
1450 #ifndef SHIBSP_LITE
1451     if (!strcmp(in.name(), "get::RelayState")) {
1452         const char* id = in["id"].string();
1453         const char* key = in["key"].string();
1454         if (!id || !key)
1455             throw ListenerException("Required parameters missing for RelayState recovery.");
1456
1457         string relayState;
1458         StorageService* storage = getStorageService(id);
1459         if (storage) {
1460             if (storage->readString("RelayState",key,&relayState)>0) {
1461                 if (in["clear"].integer())
1462                     storage->deleteString("RelayState",key);
1463             }
1464         }
1465         else {
1466             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1467                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1468                 );
1469         }
1470
1471         // Repack for return to caller.
1472         DDF ret=DDF(NULL).string(relayState.c_str());
1473         DDFJanitor jret(ret);
1474         out << ret;
1475     }
1476     else if (!strcmp(in.name(), "set::RelayState")) {
1477         const char* id = in["id"].string();
1478         const char* value = in["value"].string();
1479         if (!id || !value)
1480             throw ListenerException("Required parameters missing for RelayState creation.");
1481
1482         string rsKey;
1483         StorageService* storage = getStorageService(id);
1484         if (storage) {
1485             SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
1486             rsKey = SAMLArtifact::toHex(rsKey);
1487             storage->createString("RelayState", rsKey.c_str(), value, time(NULL) + 600);
1488         }
1489         else {
1490             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1491                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1492                 );
1493         }
1494
1495         // Repack for return to caller.
1496         DDF ret=DDF(NULL).string(rsKey.c_str());
1497         DDFJanitor jret(ret);
1498         out << ret;
1499     }
1500 #endif
1501 }
1502
1503 pair<bool,DOMElement*> XMLConfig::load()
1504 {
1505     // Load from source using base class.
1506     pair<bool,DOMElement*> raw = ReloadableXMLFile::load();
1507
1508     // If we own it, wrap it.
1509     XercesJanitor<DOMDocument> docjanitor(raw.first ? raw.second->getOwnerDocument() : NULL);
1510
1511     XMLConfigImpl* impl = new XMLConfigImpl(raw.second,(m_impl==NULL),this,m_log);
1512
1513     // If we held the document, transfer it to the impl. If we didn't, it's a no-op.
1514     impl->setDocument(docjanitor.release());
1515
1516     delete m_impl;
1517     m_impl = impl;
1518
1519     return make_pair(false,(DOMElement*)NULL);
1520 }