shibsp/impl/XMLServiceProvider.cpp

   1 /*
   2  *  Copyright 2001-2010 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 "version.h"
  26 #include "AccessControl.h"
  27 #include "Application.h"
  28 #include "RequestMapper.h"
  29 #include "ServiceProvider.h"
  30 #include "SessionCache.h"
  31 #include "SPConfig.h"
  32 #include "SPRequest.h"
  33 #include "handler/SessionInitiator.h"
  34 #include "remoting/ListenerService.h"
  35 #include "util/DOMPropertySet.h"
  36 #include "util/SPConstants.h"
  37
  38 #if defined(XMLTOOLING_LOG4SHIB)
  39 # include <log4shib/PropertyConfigurator.hh>
  40 #elif defined(XMLTOOLING_LOG4CPP)
  41 # include <log4cpp/PropertyConfigurator.hh>
  42 #else
  43 # error "Supported logging library not available."
  44 #endif
  45 #include <algorithm>
  46 #include <xercesc/util/XMLUniDefs.hpp>
  47 #include <xmltooling/XMLToolingConfig.h>
  48 #include <xmltooling/version.h>
  49 #include <xmltooling/util/NDC.h>
  50 #include <xmltooling/util/ReloadableXMLFile.h>
  51 #include <xmltooling/util/TemplateEngine.h>
  52 #include <xmltooling/util/Threads.h>
  53 #include <xmltooling/util/XMLHelper.h>
  54
  55 #ifndef SHIBSP_LITE
  56 # include "TransactionLog.h"
  57 # include "attribute/filtering/AttributeFilter.h"
  58 # include "attribute/resolver/AttributeExtractor.h"
  59 # include "attribute/resolver/AttributeResolver.h"
  60 # include "security/PKIXTrustEngine.h"
  61 # include "security/SecurityPolicyProvider.h"
  62 # include <saml/SAMLConfig.h>
  63 # include <saml/version.h>
  64 # include <saml/binding/ArtifactMap.h>
  65 # include <saml/binding/SAMLArtifact.h>
  66 # include <saml/saml1/core/Assertions.h>
  67 # include <saml/saml2/core/Assertions.h>
  68 # include <saml/saml2/binding/SAML2ArtifactType0004.h>
  69 # include <saml/saml2/metadata/Metadata.h>
  70 # include <saml/saml2/metadata/MetadataProvider.h>
  71 # include <saml/util/SAMLConstants.h>
  72 # include <xmltooling/security/CredentialResolver.h>
  73 # include <xmltooling/security/SecurityHelper.h>
  74 # include <xmltooling/security/TrustEngine.h>
  75 # include <xmltooling/util/ReplayCache.h>
  76 # include <xmltooling/util/StorageService.h>
  77 # include <xsec/utils/XSECPlatformUtils.hpp>
  78 using namespace opensaml::saml2;
  79 using namespace opensaml::saml2p;
  80 using namespace opensaml::saml2md;
  81 using namespace opensaml;
  82 #else
  83 # include "lite/SAMLConstants.h"
  84 #endif
  85
  86 using namespace shibsp;
  87 using namespace xmltooling;
  88 using namespace std;
  89
  90 #ifndef min
  91 # define min(a,b)            (((a) < (b)) ? (a) : (b))
  92 #endif
  93
  94 namespace {
  95
  96 #if defined (_MSC_VER)
  97     #pragma warning( push )
  98     #pragma warning( disable : 4250 )
  99 #endif
 100
 101     static vector<const Handler*> g_noHandlers;
 102
 103     // Application configuration wrapper
 104     class SHIBSP_DLLLOCAL XMLApplication : public Application, public Remoted, public DOMPropertySet, public DOMNodeFilter
 105     {
 106     public:
 107         XMLApplication(const ServiceProvider*, const DOMElement* e, const XMLApplication* base=nullptr);
 108         ~XMLApplication() { cleanup(); }
 109
 110         const char* getHash() const {return m_hash.c_str();}
 111
 112 #ifndef SHIBSP_LITE
 113         SAMLArtifact* generateSAML1Artifact(const EntityDescriptor* relyingParty) const {
 114             throw ConfigurationException("No support for SAML 1.x artifact generation.");
 115         }
 116         SAML2Artifact* generateSAML2Artifact(const EntityDescriptor* relyingParty) const {
 117             pair<bool,int> index = make_pair(false,0);
 118             const PropertySet* props = getRelyingParty(relyingParty);
 119             index = props->getInt("artifactEndpointIndex");
 120             if (!index.first)
 121                 index = getArtifactEndpointIndex();
 122             pair<bool,const char*> entityID = props->getString("entityID");
 123             return new SAML2ArtifactType0004(
 124                 SecurityHelper::doHash("SHA1", entityID.second, strlen(entityID.second), false),
 125                 index.first ? index.second : 1
 126                 );
 127         }
 128
 129         MetadataProvider* getMetadataProvider(bool required=true) const {
 130             if (required && !m_base && !m_metadata)
 131                 throw ConfigurationException("No MetadataProvider available.");
 132             return (!m_metadata && m_base) ? m_base->getMetadataProvider() : m_metadata;
 133         }
 134         TrustEngine* getTrustEngine(bool required=true) const {
 135             if (required && !m_base && !m_trust)
 136                 throw ConfigurationException("No TrustEngine available.");
 137             return (!m_trust && m_base) ? m_base->getTrustEngine() : m_trust;
 138         }
 139         AttributeExtractor* getAttributeExtractor() const {
 140             return (!m_attrExtractor && m_base) ? m_base->getAttributeExtractor() : m_attrExtractor;
 141         }
 142         AttributeFilter* getAttributeFilter() const {
 143             return (!m_attrFilter && m_base) ? m_base->getAttributeFilter() : m_attrFilter;
 144         }
 145         AttributeResolver* getAttributeResolver() const {
 146             return (!m_attrResolver && m_base) ? m_base->getAttributeResolver() : m_attrResolver;
 147         }
 148         CredentialResolver* getCredentialResolver() const {
 149             return (!m_credResolver && m_base) ? m_base->getCredentialResolver() : m_credResolver;
 150         }
 151         const PropertySet* getRelyingParty(const EntityDescriptor* provider) const;
 152         const PropertySet* getRelyingParty(const XMLCh* entityID) const;
 153         const vector<const XMLCh*>* getAudiences() const {
 154             return (m_audiences.empty() && m_base) ? m_base->getAudiences() : &m_audiences;
 155         }
 156 #endif
 157         string getNotificationURL(const char* resource, bool front, unsigned int index) const;
 158
 159         const vector<string>& getRemoteUserAttributeIds() const {
 160             return (m_remoteUsers.empty() && m_base) ? m_base->getRemoteUserAttributeIds() : m_remoteUsers;
 161         }
 162
 163         void clearHeader(SPRequest& request, const char* rawname, const char* cginame) const;
 164         void setHeader(SPRequest& request, const char* name, const char* value) const;
 165         string getSecureHeader(const SPRequest& request, const char* name) const;
 166
 167         const SessionInitiator* getDefaultSessionInitiator() const;
 168         const SessionInitiator* getSessionInitiatorById(const char* id) const;
 169         const Handler* getDefaultAssertionConsumerService() const;
 170         const Handler* getAssertionConsumerServiceByIndex(unsigned short index) const;
 171         const vector<const Handler*>& getAssertionConsumerServicesByBinding(const XMLCh* binding) const;
 172         const Handler* getHandler(const char* path) const;
 173         void getHandlers(vector<const Handler*>& handlers) const;
 174
 175         void receive(DDF& in, ostream& out) {
 176             // Only current function is to return the headers to clear.
 177             DDF header;
 178             DDF ret=DDF(nullptr).list();
 179             DDFJanitor jret(ret);
 180             for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i) {
 181                 header = DDF(i->first.c_str()).string(i->second.c_str());
 182                 ret.add(header);
 183             }
 184             out << ret;
 185         }
 186
 187         // Provides filter to exclude special config elements.
 188 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
 189         short
 190 #else
 191         FilterAction
 192 #endif
 193         acceptNode(const DOMNode* node) const;
 194
 195     private:
 196         void cleanup();
 197         const XMLApplication* m_base;
 198         string m_hash;
 199         std::pair<std::string,std::string> m_attributePrefix;
 200 #ifndef SHIBSP_LITE
 201         MetadataProvider* m_metadata;
 202         TrustEngine* m_trust;
 203         AttributeExtractor* m_attrExtractor;
 204         AttributeFilter* m_attrFilter;
 205         AttributeResolver* m_attrResolver;
 206         CredentialResolver* m_credResolver;
 207         vector<const XMLCh*> m_audiences;
 208
 209         // RelyingParty properties
 210         map<xstring,PropertySet*> m_partyMap;
 211 #endif
 212         vector<string> m_remoteUsers,m_frontLogout,m_backLogout;
 213
 214         // manage handler objects
 215         vector<Handler*> m_handlers;
 216
 217         // maps location (path info) to applicable handlers
 218         map<string,const Handler*> m_handlerMap;
 219
 220         // maps unique indexes to consumer services
 221         map<unsigned int,const Handler*> m_acsIndexMap;
 222
 223         // pointer to default consumer service
 224         const Handler* m_acsDefault;
 225
 226         // maps binding strings to supporting consumer service(s)
 227         typedef map<xstring,vector<const Handler*> > ACSBindingMap;
 228         ACSBindingMap m_acsBindingMap;
 229
 230         // pointer to default session initiator
 231         const SessionInitiator* m_sessionInitDefault;
 232
 233         // maps unique ID strings to session initiators
 234         map<string,const SessionInitiator*> m_sessionInitMap;
 235
 236         // pointer to default artifact resolution service
 237         const Handler* m_artifactResolutionDefault;
 238
 239         pair<bool,int> getArtifactEndpointIndex() const {
 240             if (m_artifactResolutionDefault) return m_artifactResolutionDefault->getInt("index");
 241             return m_base ? m_base->getArtifactEndpointIndex() : make_pair(false,0);
 242         }
 243     };
 244
 245     // Top-level configuration implementation
 246     class SHIBSP_DLLLOCAL XMLConfig;
 247     class SHIBSP_DLLLOCAL XMLConfigImpl : public DOMPropertySet, public DOMNodeFilter
 248     {
 249     public:
 250         XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log);
 251         ~XMLConfigImpl();
 252
 253         RequestMapper* m_requestMapper;
 254         map<string,Application*> m_appmap;
 255 #ifndef SHIBSP_LITE
 256         SecurityPolicyProvider* m_policy;
 257         vector< pair< string, pair<string,string> > > m_transportOptions;
 258 #endif
 259
 260         // Provides filter to exclude special config elements.
 261 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
 262         short
 263 #else
 264         FilterAction
 265 #endif
 266         acceptNode(const DOMNode* node) const;
 267
 268         void setDocument(DOMDocument* doc) {
 269             m_document = doc;
 270         }
 271
 272     private:
 273         void doExtensions(const DOMElement* e, const char* label, Category& log);
 274         void cleanup();
 275
 276         const XMLConfig* m_outer;
 277         DOMDocument* m_document;
 278     };
 279
 280     class SHIBSP_DLLLOCAL XMLConfig : public ServiceProvider, public ReloadableXMLFile
 281 #ifndef SHIBSP_LITE
 282         ,public Remoted
 283 #endif
 284     {
 285     public:
 286         XMLConfig(const DOMElement* e) : ReloadableXMLFile(e, Category::getInstance(SHIBSP_LOGCAT".Config")),
 287             m_impl(nullptr), m_listener(nullptr), m_sessionCache(nullptr)
 288 #ifndef SHIBSP_LITE
 289             , m_tranLog(nullptr)
 290 #endif
 291         {
 292         }
 293
 294         void init() {
 295             background_load();
 296         }
 297
 298         ~XMLConfig() {
 299             shutdown();
 300             delete m_impl;
 301             delete m_sessionCache;
 302             delete m_listener;
 303 #ifndef SHIBSP_LITE
 304             delete m_tranLog;
 305             SAMLConfig::getConfig().setArtifactMap(nullptr);
 306             XMLToolingConfig::getConfig().setReplayCache(nullptr);
 307             for_each(m_storage.begin(), m_storage.end(), cleanup_pair<string,StorageService>());
 308 #endif
 309         }
 310
 311 #ifndef SHIBSP_LITE
 312         // Lockable
 313         Lockable* lock() {
 314             ReloadableXMLFile::lock();
 315             if (m_impl->m_policy)
 316                 m_impl->m_policy->lock();
 317             return this;
 318         }
 319         void unlock() {
 320             if (m_impl->m_policy)
 321                 m_impl->m_policy->unlock();
 322             ReloadableXMLFile::unlock();
 323         }
 324 #endif
 325
 326         // PropertySet
 327         const PropertySet* getParent() const { return m_impl->getParent(); }
 328         void setParent(const PropertySet* parent) {return m_impl->setParent(parent);}
 329         pair<bool,bool> getBool(const char* name, const char* ns=nullptr) const {return m_impl->getBool(name,ns);}
 330         pair<bool,const char*> getString(const char* name, const char* ns=nullptr) const {return m_impl->getString(name,ns);}
 331         pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=nullptr) const {return m_impl->getXMLString(name,ns);}
 332         pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=nullptr) const {return m_impl->getUnsignedInt(name,ns);}
 333         pair<bool,int> getInt(const char* name, const char* ns=nullptr) const {return m_impl->getInt(name,ns);}
 334         void getAll(map<string,const char*>& properties) const {return m_impl->getAll(properties);}
 335         const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const {return m_impl->getPropertySet(name,ns);}
 336         const DOMElement* getElement() const {return m_impl->getElement();}
 337
 338         // ServiceProvider
 339 #ifndef SHIBSP_LITE
 340         // Remoted
 341         void receive(DDF& in, ostream& out);
 342
 343         TransactionLog* getTransactionLog() const {
 344             if (m_tranLog)
 345                 return m_tranLog;
 346             throw ConfigurationException("No TransactionLog available.");
 347         }
 348
 349         StorageService* getStorageService(const char* id) const {
 350             if (id) {
 351                 map<string,StorageService*>::const_iterator i=m_storage.find(id);
 352                 if (i!=m_storage.end())
 353                     return i->second;
 354             }
 355             else if (!m_storage.empty())
 356                 return m_storage.begin()->second;
 357             return nullptr;
 358         }
 359 #endif
 360
 361         ListenerService* getListenerService(bool required=true) const {
 362             if (required && !m_listener)
 363                 throw ConfigurationException("No ListenerService available.");
 364             return m_listener;
 365         }
 366
 367         SessionCache* getSessionCache(bool required=true) const {
 368             if (required && !m_sessionCache)
 369                 throw ConfigurationException("No SessionCache available.");
 370             return m_sessionCache;
 371         }
 372
 373         RequestMapper* getRequestMapper(bool required=true) const {
 374             if (required && !m_impl->m_requestMapper)
 375                 throw ConfigurationException("No RequestMapper available.");
 376             return m_impl->m_requestMapper;
 377         }
 378
 379         const Application* getApplication(const char* applicationId) const {
 380             map<string,Application*>::const_iterator i=m_impl->m_appmap.find(applicationId ? applicationId : "default");
 381             return (i!=m_impl->m_appmap.end()) ? i->second : nullptr;
 382         }
 383
 384 #ifndef SHIBSP_LITE
 385         SecurityPolicyProvider* getSecurityPolicyProvider(bool required=true) const {
 386             if (required && !m_impl->m_policy)
 387                 throw ConfigurationException("No SecurityPolicyProvider available.");
 388             return m_impl->m_policy;
 389         }
 390
 391         const PropertySet* getPolicySettings(const char* id) const {
 392             return getSecurityPolicyProvider()->getPolicySettings(id);
 393         }
 394
 395         const vector<const SecurityPolicyRule*>& getPolicyRules(const char* id) const {
 396             return getSecurityPolicyProvider()->getPolicyRules(id);
 397         }
 398
 399         bool setTransportOptions(SOAPTransport& transport) const {
 400             bool ret = true;
 401             vector< pair< string, pair<string,string> > >::const_iterator opt;
 402             for (opt = m_impl->m_transportOptions.begin(); opt != m_impl->m_transportOptions.end(); ++opt) {
 403                 if (!transport.setProviderOption(opt->first.c_str(), opt->second.first.c_str(), opt->second.second.c_str())) {
 404                     m_log.error("failed to set SOAPTransport option (%s)", opt->second.first.c_str());
 405                     ret = false;
 406                 }
 407             }
 408             return ret;
 409         }
 410 #endif
 411
 412     protected:
 413         pair<bool,DOMElement*> background_load();
 414
 415     private:
 416         friend class XMLConfigImpl;
 417         XMLConfigImpl* m_impl;
 418         mutable ListenerService* m_listener;
 419         mutable SessionCache* m_sessionCache;
 420 #ifndef SHIBSP_LITE
 421         mutable TransactionLog* m_tranLog;
 422         mutable map<string,StorageService*> m_storage;
 423 #endif
 424     };
 425
 426 #if defined (_MSC_VER)
 427     #pragma warning( pop )
 428 #endif
 429
 430     static const XMLCh applicationId[] =        UNICODE_LITERAL_13(a,p,p,l,i,c,a,t,i,o,n,I,d);
 431     static const XMLCh ApplicationOverride[] =  UNICODE_LITERAL_19(A,p,p,l,i,c,a,t,i,o,n,O,v,e,r,r,i,d,e);
 432     static const XMLCh ApplicationDefaults[] =  UNICODE_LITERAL_19(A,p,p,l,i,c,a,t,i,o,n,D,e,f,a,u,l,t,s);
 433     static const XMLCh _ArtifactMap[] =         UNICODE_LITERAL_11(A,r,t,i,f,a,c,t,M,a,p);
 434     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);
 435     static const XMLCh _AttributeFilter[] =     UNICODE_LITERAL_15(A,t,t,r,i,b,u,t,e,F,i,l,t,e,r);
 436     static const XMLCh _AttributeResolver[] =   UNICODE_LITERAL_17(A,t,t,r,i,b,u,t,e,R,e,s,o,l,v,e,r);
 437     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);
 438     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);
 439     static const XMLCh _Audience[] =            UNICODE_LITERAL_8(A,u,d,i,e,n,c,e);
 440     static const XMLCh Binding[] =              UNICODE_LITERAL_7(B,i,n,d,i,n,g);
 441     static const XMLCh Channel[]=               UNICODE_LITERAL_7(C,h,a,n,n,e,l);
 442     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);
 443     static const XMLCh _default[] =             UNICODE_LITERAL_7(d,e,f,a,u,l,t);
 444     static const XMLCh _Extensions[] =          UNICODE_LITERAL_10(E,x,t,e,n,s,i,o,n,s);
 445     static const XMLCh _fatal[] =               UNICODE_LITERAL_5(f,a,t,a,l);
 446     static const XMLCh _Handler[] =             UNICODE_LITERAL_7(H,a,n,d,l,e,r);
 447     static const XMLCh _id[] =                  UNICODE_LITERAL_2(i,d);
 448     static const XMLCh InProcess[] =            UNICODE_LITERAL_9(I,n,P,r,o,c,e,s,s);
 449     static const XMLCh Library[] =              UNICODE_LITERAL_7(L,i,b,r,a,r,y);
 450     static const XMLCh Listener[] =             UNICODE_LITERAL_8(L,i,s,t,e,n,e,r);
 451     static const XMLCh Location[] =             UNICODE_LITERAL_8(L,o,c,a,t,i,o,n);
 452     static const XMLCh logger[] =               UNICODE_LITERAL_6(l,o,g,g,e,r);
 453     static const XMLCh _LogoutInitiator[] =     UNICODE_LITERAL_15(L,o,g,o,u,t,I,n,i,t,i,a,t,o,r);
 454     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);
 455     static const XMLCh _MetadataProvider[] =    UNICODE_LITERAL_16(M,e,t,a,d,a,t,a,P,r,o,v,i,d,e,r);
 456     static const XMLCh Notify[] =               UNICODE_LITERAL_6(N,o,t,i,f,y);
 457     static const XMLCh _option[] =              UNICODE_LITERAL_6(o,p,t,i,o,n);
 458     static const XMLCh OutOfProcess[] =         UNICODE_LITERAL_12(O,u,t,O,f,P,r,o,c,e,s,s);
 459     static const XMLCh _path[] =                UNICODE_LITERAL_4(p,a,t,h);
 460     static const XMLCh _provider[] =            UNICODE_LITERAL_8(p,r,o,v,i,d,e,r);
 461     static const XMLCh RelyingParty[] =         UNICODE_LITERAL_12(R,e,l,y,i,n,g,P,a,r,t,y);
 462     static const XMLCh _ReplayCache[] =         UNICODE_LITERAL_11(R,e,p,l,a,y,C,a,c,h,e);
 463     static const XMLCh _RequestMapper[] =       UNICODE_LITERAL_13(R,e,q,u,e,s,t,M,a,p,p,e,r);
 464     static const XMLCh RequestMap[] =           UNICODE_LITERAL_10(R,e,q,u,e,s,t,M,a,p);
 465     static const XMLCh SecurityPolicies[] =     UNICODE_LITERAL_16(S,e,c,u,r,i,t,y,P,o,l,i,c,i,e,s);
 466     static const XMLCh SecurityPolicyProvider[] = UNICODE_LITERAL_22(S,e,c,u,r,i,t,y,P,o,l,i,c,y,P,r,o,v,i,d,e,r);
 467     static const XMLCh _SessionCache[] =        UNICODE_LITERAL_12(S,e,s,s,i,o,n,C,a,c,h,e);
 468     static const XMLCh _SessionInitiator[] =    UNICODE_LITERAL_16(S,e,s,s,i,o,n,I,n,i,t,i,a,t,o,r);
 469     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);
 470     static const XMLCh Site[] =                 UNICODE_LITERAL_4(S,i,t,e);
 471     static const XMLCh _StorageService[] =      UNICODE_LITERAL_14(S,t,o,r,a,g,e,S,e,r,v,i,c,e);
 472     static const XMLCh TCPListener[] =          UNICODE_LITERAL_11(T,C,P,L,i,s,t,e,n,e,r);
 473     static const XMLCh TransportOption[] =      UNICODE_LITERAL_15(T,r,a,n,s,p,o,r,t,O,p,t,i,o,n);
 474     static const XMLCh _TrustEngine[] =         UNICODE_LITERAL_11(T,r,u,s,t,E,n,g,i,n,e);
 475     static const XMLCh _type[] =                UNICODE_LITERAL_4(t,y,p,e);
 476     static const XMLCh UnixListener[] =         UNICODE_LITERAL_12(U,n,i,x,L,i,s,t,e,n,e,r);
 477 };
 478
 479 namespace shibsp {
 480     ServiceProvider* XMLServiceProviderFactory(const DOMElement* const & e)
 481     {
 482         return new XMLConfig(e);
 483     }
 484 };
 485
 486 XMLApplication::XMLApplication(
 487     const ServiceProvider* sp,
 488     const DOMElement* e,
 489     const XMLApplication* base
 490     ) : Application(sp), m_base(base),
 491 #ifndef SHIBSP_LITE
 492         m_metadata(nullptr), m_trust(nullptr),
 493         m_attrExtractor(nullptr), m_attrFilter(nullptr), m_attrResolver(nullptr),
 494         m_credResolver(nullptr),
 495 #endif
 496         m_acsDefault(nullptr), m_sessionInitDefault(nullptr), m_artifactResolutionDefault(nullptr)
 497 {
 498 #ifdef _DEBUG
 499     xmltooling::NDC ndc("XMLApplication");
 500 #endif
 501     Category& log=Category::getInstance(SHIBSP_LOGCAT".Application");
 502
 503     try {
 504         // First load any property sets.
 505         load(e,nullptr,this);
 506         if (base)
 507             setParent(base);
 508
 509         SPConfig& conf=SPConfig::getConfig();
 510 #ifndef SHIBSP_LITE
 511         SAMLConfig& samlConf=SAMLConfig::getConfig();
 512         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
 513 #endif
 514
 515         // This used to be an actual hash, but now it's just a hex-encode to avoid xmlsec dependency.
 516         static char DIGITS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
 517         string tohash=getId();
 518         tohash+=getString("entityID").second;
 519         for (const char* ch = tohash.c_str(); *ch; ++ch) {
 520             m_hash += (DIGITS[((unsigned char)(0xF0 & *ch)) >> 4 ]);
 521             m_hash += (DIGITS[0x0F & *ch]);
 522         }
 523
 524         // Populate prefix pair.
 525         m_attributePrefix.second = "HTTP_";
 526         pair<bool,const char*> prefix = getString("attributePrefix");
 527         if (prefix.first) {
 528             m_attributePrefix.first = prefix.second;
 529             const char* pch = prefix.second;
 530             while (*pch) {
 531                 m_attributePrefix.second += (isalnum(*pch) ? toupper(*pch) : '_');
 532                 pch++;
 533             }
 534         }
 535
 536         // Load attribute ID lists for REMOTE_USER and header clearing.
 537         if (conf.isEnabled(SPConfig::InProcess)) {
 538             pair<bool,const char*> attributes = getString("REMOTE_USER");
 539             if (attributes.first) {
 540                 char* dup = strdup(attributes.second);
 541                 char* pos;
 542                 char* start = dup;
 543                 while (start && *start) {
 544                     while (*start && isspace(*start))
 545                         start++;
 546                     if (!*start)
 547                         break;
 548                     pos = strchr(start,' ');
 549                     if (pos)
 550                         *pos=0;
 551                     m_remoteUsers.push_back(start);
 552                     start = pos ? pos+1 : nullptr;
 553                 }
 554                 free(dup);
 555             }
 556
 557             attributes = getString("unsetHeaders");
 558             if (attributes.first) {
 559                 string transformedprefix(m_attributePrefix.second);
 560                 const char* pch;
 561                 prefix = getString("metadataAttributePrefix");
 562                 if (prefix.first) {
 563                     pch = prefix.second;
 564                     while (*pch) {
 565                         transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
 566                         pch++;
 567                     }
 568                 }
 569                 char* dup = strdup(attributes.second);
 570                 char* pos;
 571                 char* start = dup;
 572                 while (start && *start) {
 573                     while (*start && isspace(*start))
 574                         start++;
 575                     if (!*start)
 576                         break;
 577                     pos = strchr(start,' ');
 578                     if (pos)
 579                         *pos=0;
 580
 581                     string transformed;
 582                     pch = start;
 583                     while (*pch) {
 584                         transformed += (isalnum(*pch) ? toupper(*pch) : '_');
 585                         pch++;
 586                     }
 587
 588                     m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + start, m_attributePrefix.second + transformed));
 589                     if (prefix.first)
 590                         m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + prefix.second + start, transformedprefix + transformed));
 591                     start = pos ? pos+1 : nullptr;
 592                 }
 593                 free(dup);
 594                 m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + "Shib-Application-ID", m_attributePrefix.second + "SHIB_APPLICATION_ID"));
 595             }
 596         }
 597
 598         Handler* handler=nullptr;
 599         const PropertySet* sessions = getPropertySet("Sessions");
 600
 601         // Process assertion export handler.
 602         pair<bool,const char*> location = sessions ? sessions->getString("exportLocation") : pair<bool,const char*>(false,nullptr);
 603         if (location.first) {
 604             try {
 605                 DOMElement* exportElement = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS,_Handler);
 606                 exportElement->setAttributeNS(nullptr,Location,sessions->getXMLString("exportLocation").second);
 607                 pair<bool,const XMLCh*> exportACL = sessions->getXMLString("exportACL");
 608                 if (exportACL.first) {
 609                     static const XMLCh _acl[] = UNICODE_LITERAL_9(e,x,p,o,r,t,A,C,L);
 610                     exportElement->setAttributeNS(nullptr,_acl,exportACL.second);
 611                 }
 612                 handler = conf.HandlerManager.newPlugin(
 613                     samlconstants::SAML20_BINDING_URI, pair<const DOMElement*,const char*>(exportElement, getId())
 614                     );
 615                 m_handlers.push_back(handler);
 616
 617                 // Insert into location map. If it contains the handlerURL, we skip past that part.
 618                 const char* pch = strstr(location.second, sessions->getString("handlerURL").second);
 619                 if (pch)
 620                     location.second = pch + strlen(sessions->getString("handlerURL").second);
 621                 if (*location.second == '/')
 622                     m_handlerMap[location.second]=handler;
 623                 else
 624                     m_handlerMap[string("/") + location.second]=handler;
 625             }
 626             catch (exception& ex) {
 627                 log.error("caught exception installing assertion lookup handler: %s", ex.what());
 628             }
 629         }
 630
 631         // Process other handlers.
 632         bool hardACS=false, hardSessionInit=false, hardArt=false;
 633         const DOMElement* child = sessions ? XMLHelper::getFirstChildElement(sessions->getElement()) : nullptr;
 634         while (child) {
 635             if (!child->hasAttributeNS(nullptr, Location)) {
 636                 auto_ptr_char hclass(child->getLocalName());
 637                 log.error("%s handler with no Location property cannot be processed", hclass.get());
 638                 child = XMLHelper::getNextSiblingElement(child);
 639                 continue;
 640             }
 641             try {
 642                 if (XMLString::equals(child->getLocalName(),_AssertionConsumerService)) {
 643                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
 644                     if (!bindprop.get() || !*(bindprop.get())) {
 645                         log.warn("md:AssertionConsumerService element has no Binding attribute, skipping it...");
 646                         child = XMLHelper::getNextSiblingElement(child);
 647                         continue;
 648                     }
 649                     handler=conf.AssertionConsumerServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 650                     // Map by binding (may be > 1 per binding, e.g. SAML 1.0 vs 1.1)
 651                     m_acsBindingMap[handler->getXMLString("Binding").second].push_back(handler);
 652                     m_acsIndexMap[handler->getUnsignedInt("index").second]=handler;
 653
 654                     if (!hardACS) {
 655                         pair<bool,bool> defprop=handler->getBool("isDefault");
 656                         if (defprop.first) {
 657                             if (defprop.second) {
 658                                 hardACS=true;
 659                                 m_acsDefault=handler;
 660                             }
 661                         }
 662                         else if (!m_acsDefault)
 663                             m_acsDefault=handler;
 664                     }
 665                 }
 666                 else if (XMLString::equals(child->getLocalName(),_SessionInitiator)) {
 667                     auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 668                     if (!type.get() || !*(type.get())) {
 669                         log.warn("SessionInitiator element has no type attribute, skipping it...");
 670                         child = XMLHelper::getNextSiblingElement(child);
 671                         continue;
 672                     }
 673                     SessionInitiator* sihandler=conf.SessionInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
 674                     handler=sihandler;
 675                     pair<bool,const char*> si_id=handler->getString("id");
 676                     if (si_id.first && si_id.second)
 677                         m_sessionInitMap[si_id.second]=sihandler;
 678                     if (!hardSessionInit) {
 679                         pair<bool,bool> defprop=handler->getBool("isDefault");
 680                         if (defprop.first) {
 681                             if (defprop.second) {
 682                                 hardSessionInit=true;
 683                                 m_sessionInitDefault=sihandler;
 684                             }
 685                         }
 686                         else if (!m_sessionInitDefault)
 687                             m_sessionInitDefault=sihandler;
 688                     }
 689                 }
 690                 else if (XMLString::equals(child->getLocalName(),_LogoutInitiator)) {
 691                     auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 692                     if (!type.get() || !*(type.get())) {
 693                         log.warn("LogoutInitiator element has no type attribute, skipping it...");
 694                         child = XMLHelper::getNextSiblingElement(child);
 695                         continue;
 696                     }
 697                     handler=conf.LogoutInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
 698                 }
 699                 else if (XMLString::equals(child->getLocalName(),_ArtifactResolutionService)) {
 700                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
 701                     if (!bindprop.get() || !*(bindprop.get())) {
 702                         log.warn("md:ArtifactResolutionService element has no Binding attribute, skipping it...");
 703                         child = XMLHelper::getNextSiblingElement(child);
 704                         continue;
 705                     }
 706                     handler=conf.ArtifactResolutionServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 707
 708                     if (!hardArt) {
 709                         pair<bool,bool> defprop=handler->getBool("isDefault");
 710                         if (defprop.first) {
 711                             if (defprop.second) {
 712                                 hardArt=true;
 713                                 m_artifactResolutionDefault=handler;
 714                             }
 715                         }
 716                         else if (!m_artifactResolutionDefault)
 717                             m_artifactResolutionDefault=handler;
 718                     }
 719                 }
 720                 else if (XMLString::equals(child->getLocalName(),_SingleLogoutService)) {
 721                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
 722                     if (!bindprop.get() || !*(bindprop.get())) {
 723                         log.warn("md:SingleLogoutService element has no Binding attribute, skipping it...");
 724                         child = XMLHelper::getNextSiblingElement(child);
 725                         continue;
 726                     }
 727                     handler=conf.SingleLogoutServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 728                 }
 729                 else if (XMLString::equals(child->getLocalName(),_ManageNameIDService)) {
 730                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
 731                     if (!bindprop.get() || !*(bindprop.get())) {
 732                         log.warn("md:ManageNameIDService element has no Binding attribute, skipping it...");
 733                         child = XMLHelper::getNextSiblingElement(child);
 734                         continue;
 735                     }
 736                     handler=conf.ManageNameIDServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
 737                 }
 738                 else {
 739                     auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 740                     if (!type.get() || !*(type.get())) {
 741                         log.warn("Handler element has no type attribute, skipping it...");
 742                         child = XMLHelper::getNextSiblingElement(child);
 743                         continue;
 744                     }
 745                     handler=conf.HandlerManager.newPlugin(type.get(),make_pair(child, getId()));
 746                 }
 747
 748                 m_handlers.push_back(handler);
 749
 750                 // Insert into location map.
 751                 location=handler->getString("Location");
 752                 if (location.first && *location.second == '/')
 753                     m_handlerMap[location.second]=handler;
 754                 else if (location.first)
 755                     m_handlerMap[string("/") + location.second]=handler;
 756
 757             }
 758             catch (exception& ex) {
 759                 log.error("caught exception processing handler element: %s", ex.what());
 760             }
 761
 762             child = XMLHelper::getNextSiblingElement(child);
 763         }
 764
 765         // Notification.
 766         DOMNodeList* nlist=e->getElementsByTagNameNS(shibspconstants::SHIB2SPCONFIG_NS,Notify);
 767         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++) {
 768             if (nlist->item(i)->getParentNode()->isSameNode(e)) {
 769                 const XMLCh* channel = static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(nullptr,Channel);
 770                 auto_ptr_char loc(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(nullptr,Location));
 771                 if (loc.get() && *loc.get()) {
 772                     if (channel && *channel == chLatin_f)
 773                         m_frontLogout.push_back(loc.get());
 774                     else
 775                         m_backLogout.push_back(loc.get());
 776                 }
 777             }
 778         }
 779
 780 #ifndef SHIBSP_LITE
 781         nlist=e->getElementsByTagNameNS(samlconstants::SAML20_NS,Audience::LOCAL_NAME);
 782         if (nlist && nlist->getLength()) {
 783             log.warn("use of <saml:Audience> elements outside of a Security Policy Rule is deprecated");
 784             for (XMLSize_t i=0; i<nlist->getLength(); i++)
 785                 if (nlist->item(i)->getParentNode()->isSameNode(e) && nlist->item(i)->hasChildNodes())
 786                     m_audiences.push_back(nlist->item(i)->getFirstChild()->getNodeValue());
 787         }
 788
 789         if (conf.isEnabled(SPConfig::Metadata)) {
 790             child = XMLHelper::getFirstChildElement(e,_MetadataProvider);
 791             if (child) {
 792                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 793                 log.info("building MetadataProvider of type %s...",type.get());
 794                 try {
 795                     auto_ptr<MetadataProvider> mp(samlConf.MetadataProviderManager.newPlugin(type.get(),child));
 796                     mp->init();
 797                     m_metadata = mp.release();
 798                 }
 799                 catch (exception& ex) {
 800                     log.crit("error building/initializing MetadataProvider: %s", ex.what());
 801                 }
 802             }
 803         }
 804
 805         if (conf.isEnabled(SPConfig::Trust)) {
 806             child = XMLHelper::getFirstChildElement(e,_TrustEngine);
 807             if (child) {
 808                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 809                 log.info("building TrustEngine of type %s...",type.get());
 810                 try {
 811                     m_trust = xmlConf.TrustEngineManager.newPlugin(type.get(),child);
 812                 }
 813                 catch (exception& ex) {
 814                     log.crit("error building TrustEngine: %s", ex.what());
 815                 }
 816             }
 817         }
 818
 819         if (conf.isEnabled(SPConfig::AttributeResolution)) {
 820             child = XMLHelper::getFirstChildElement(e,_AttributeExtractor);
 821             if (child) {
 822                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 823                 log.info("building AttributeExtractor of type %s...",type.get());
 824                 try {
 825                     m_attrExtractor = conf.AttributeExtractorManager.newPlugin(type.get(),child);
 826                 }
 827                 catch (exception& ex) {
 828                     log.crit("error building AttributeExtractor: %s", ex.what());
 829                 }
 830             }
 831
 832             child = XMLHelper::getFirstChildElement(e,_AttributeFilter);
 833             if (child) {
 834                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 835                 log.info("building AttributeFilter of type %s...",type.get());
 836                 try {
 837                     m_attrFilter = conf.AttributeFilterManager.newPlugin(type.get(),child);
 838                 }
 839                 catch (exception& ex) {
 840                     log.crit("error building AttributeFilter: %s", ex.what());
 841                 }
 842             }
 843
 844             child = XMLHelper::getFirstChildElement(e,_AttributeResolver);
 845             if (child) {
 846                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 847                 log.info("building AttributeResolver of type %s...",type.get());
 848                 try {
 849                     m_attrResolver = conf.AttributeResolverManager.newPlugin(type.get(),child);
 850                 }
 851                 catch (exception& ex) {
 852                     log.crit("error building AttributeResolver: %s", ex.what());
 853                 }
 854             }
 855
 856             if (m_unsetHeaders.empty()) {
 857                 vector<string> unsetHeaders;
 858                 if (m_attrExtractor) {
 859                     Locker extlock(m_attrExtractor);
 860                     m_attrExtractor->getAttributeIds(unsetHeaders);
 861                 }
 862                 else if (m_base && m_base->m_attrExtractor) {
 863                     Locker extlock(m_base->m_attrExtractor);
 864                     m_base->m_attrExtractor->getAttributeIds(unsetHeaders);
 865                 }
 866                 if (m_attrResolver) {
 867                     Locker reslock(m_attrResolver);
 868                     m_attrResolver->getAttributeIds(unsetHeaders);
 869                 }
 870                 else if (m_base && m_base->m_attrResolver) {
 871                     Locker extlock(m_base->m_attrResolver);
 872                     m_base->m_attrResolver->getAttributeIds(unsetHeaders);
 873                 }
 874                 if (!unsetHeaders.empty()) {
 875                     string transformedprefix(m_attributePrefix.second);
 876                     const char* pch;
 877                     pair<bool,const char*> prefix = getString("metadataAttributePrefix");
 878                     if (prefix.first) {
 879                         pch = prefix.second;
 880                         while (*pch) {
 881                             transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
 882                             pch++;
 883                         }
 884                     }
 885                     for (vector<string>::const_iterator hdr = unsetHeaders.begin(); hdr!=unsetHeaders.end(); ++hdr) {
 886                         string transformed;
 887                         pch = hdr->c_str();
 888                         while (*pch) {
 889                             transformed += (isalnum(*pch) ? toupper(*pch) : '_');
 890                             pch++;
 891                         }
 892                         m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + *hdr, m_attributePrefix.second + transformed));
 893                         if (prefix.first)
 894                             m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + prefix.second + *hdr, transformedprefix + transformed));
 895                     }
 896                 }
 897                 m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + "Shib-Application-ID", m_attributePrefix.second + "SHIB_APPLICATION_ID"));
 898             }
 899         }
 900
 901         if (conf.isEnabled(SPConfig::Credentials)) {
 902             child = XMLHelper::getFirstChildElement(e,_CredentialResolver);
 903             if (child) {
 904                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
 905                 log.info("building CredentialResolver of type %s...",type.get());
 906                 try {
 907                     m_credResolver = xmlConf.CredentialResolverManager.newPlugin(type.get(),child);
 908                 }
 909                 catch (exception& ex) {
 910                     log.crit("error building CredentialResolver: %s", ex.what());
 911                 }
 912             }
 913         }
 914
 915         // Finally, load relying parties.
 916         child = XMLHelper::getFirstChildElement(e,RelyingParty);
 917         while (child) {
 918             auto_ptr<DOMPropertySet> rp(new DOMPropertySet());
 919             rp->load(child,nullptr,this);
 920             rp->setParent(this);
 921             m_partyMap[child->getAttributeNS(nullptr,saml2::Attribute::NAME_ATTRIB_NAME)]=rp.release();
 922             child = XMLHelper::getNextSiblingElement(child,RelyingParty);
 923         }
 924 #endif
 925
 926         // Out of process only, we register a listener endpoint.
 927         if (!conf.isEnabled(SPConfig::InProcess)) {
 928             ListenerService* listener = sp->getListenerService(false);
 929             if (listener) {
 930                 string addr=string(getId()) + "::getHeaders::Application";
 931                 listener->regListener(addr.c_str(),this);
 932             }
 933             else
 934                 log.info("no ListenerService available, Application remoting disabled");
 935         }
 936     }
 937     catch (exception&) {
 938         cleanup();
 939         throw;
 940     }
 941 #ifndef _DEBUG
 942     catch (...) {
 943         cleanup();
 944         throw;
 945     }
 946 #endif
 947 }
 948
 949 void XMLApplication::cleanup()
 950 {
 951     ListenerService* listener=getServiceProvider().getListenerService(false);
 952     if (listener && SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess) && !SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
 953         string addr=string(getId()) + "::getHeaders::Application";
 954         listener->unregListener(addr.c_str(),this);
 955     }
 956     for_each(m_handlers.begin(),m_handlers.end(),xmltooling::cleanup<Handler>());
 957     m_handlers.clear();
 958 #ifndef SHIBSP_LITE
 959     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<xstring,PropertySet>());
 960     m_partyMap.clear();
 961     delete m_credResolver;
 962     m_credResolver = nullptr;
 963     delete m_attrResolver;
 964     m_attrResolver = nullptr;
 965     delete m_attrFilter;
 966     m_attrFilter = nullptr;
 967     delete m_attrExtractor;
 968     m_attrExtractor = nullptr;
 969     delete m_trust;
 970     m_trust = nullptr;
 971     delete m_metadata;
 972     m_metadata = nullptr;
 973 #endif
 974 }
 975
 976 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
 977 short
 978 #else
 979 DOMNodeFilter::FilterAction
 980 #endif
 981 XMLApplication::acceptNode(const DOMNode* node) const
 982 {
 983     const XMLCh* name=node->getLocalName();
 984     if (XMLString::equals(name,ApplicationOverride) ||
 985         XMLString::equals(name,_Audience) ||
 986         XMLString::equals(name,Notify) ||
 987         XMLString::equals(name,_Handler) ||
 988         XMLString::equals(name,_AssertionConsumerService) ||
 989         XMLString::equals(name,_ArtifactResolutionService) ||
 990         XMLString::equals(name,_LogoutInitiator) ||
 991         XMLString::equals(name,_ManageNameIDService) ||
 992         XMLString::equals(name,_SessionInitiator) ||
 993         XMLString::equals(name,_SingleLogoutService) ||
 994         XMLString::equals(name,RelyingParty) ||
 995         XMLString::equals(name,_MetadataProvider) ||
 996         XMLString::equals(name,_TrustEngine) ||
 997         XMLString::equals(name,_CredentialResolver) ||
 998         XMLString::equals(name,_AttributeFilter) ||
 999         XMLString::equals(name,_AttributeExtractor) ||
1000         XMLString::equals(name,_AttributeResolver))
1001         return FILTER_REJECT;
1002
1003     return FILTER_ACCEPT;
1004 }
1005
1006 #ifndef SHIBSP_LITE
1007
1008 const PropertySet* XMLApplication::getRelyingParty(const EntityDescriptor* provider) const
1009 {
1010     if (!provider)
1011         return this;
1012
1013     map<xstring,PropertySet*>::const_iterator i=m_partyMap.find(provider->getEntityID());
1014     if (i!=m_partyMap.end())
1015         return i->second;
1016     const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
1017     while (group) {
1018         if (group->getName()) {
1019             i=m_partyMap.find(group->getName());
1020             if (i!=m_partyMap.end())
1021                 return i->second;
1022         }
1023         group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
1024     }
1025     return this;
1026 }
1027
1028 const PropertySet* XMLApplication::getRelyingParty(const XMLCh* entityID) const
1029 {
1030     if (!entityID)
1031         return this;
1032
1033     map<xstring,PropertySet*>::const_iterator i=m_partyMap.find(entityID);
1034     if (i!=m_partyMap.end())
1035         return i->second;
1036     return this;
1037 }
1038
1039 #endif
1040
1041 string XMLApplication::getNotificationURL(const char* resource, bool front, unsigned int index) const
1042 {
1043     const vector<string>& locs = front ? m_frontLogout : m_backLogout;
1044     if (locs.empty())
1045         return m_base ? m_base->getNotificationURL(resource, front, index) : string();
1046     else if (index >= locs.size())
1047         return string();
1048
1049 #ifdef HAVE_STRCASECMP
1050     if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
1051 #else
1052     if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
1053 #endif
1054         throw ConfigurationException("Request URL was not absolute.");
1055
1056     const char* handler=locs[index].c_str();
1057
1058     // Should never happen...
1059     if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
1060         throw ConfigurationException(
1061             "Invalid Location property ($1) in Notify element for Application ($2)",
1062             params(2, handler ? handler : "null", getId())
1063             );
1064
1065     // The "Location" property can be in one of three formats:
1066     //
1067     // 1) a full URI:       http://host/foo/bar
1068     // 2) a hostless URI:   http:///foo/bar
1069     // 3) a relative path:  /foo/bar
1070     //
1071     // #  Protocol  Host        Path
1072     // 1  handler   handler     handler
1073     // 2  handler   resource    handler
1074     // 3  resource  resource    handler
1075
1076     const char* path = nullptr;
1077
1078     // Decide whether to use the handler or the resource for the "protocol"
1079     const char* prot;
1080     if (*handler != '/') {
1081         prot = handler;
1082     }
1083     else {
1084         prot = resource;
1085         path = handler;
1086     }
1087
1088     // break apart the "protocol" string into protocol, host, and "the rest"
1089     const char* colon=strchr(prot,':');
1090     colon += 3;
1091     const char* slash=strchr(colon,'/');
1092     if (!path)
1093         path = slash;
1094
1095     // Compute the actual protocol and store.
1096     string notifyURL(prot, colon-prot);
1097
1098     // create the "host" from either the colon/slash or from the target string
1099     // If prot == handler then we're in either #1 or #2, else #3.
1100     // If slash == colon then we're in #2.
1101     if (prot != handler || slash == colon) {
1102         colon = strchr(resource, ':');
1103         colon += 3;      // Get past the ://
1104         slash = strchr(colon, '/');
1105     }
1106     string host(colon, (slash ? slash-colon : strlen(colon)));
1107
1108     // Build the URL
1109     notifyURL += host + path;
1110     return notifyURL;
1111 }
1112
1113 void XMLApplication::clearHeader(SPRequest& request, const char* rawname, const char* cginame) const
1114 {
1115     if (!m_attributePrefix.first.empty()) {
1116         string temp = m_attributePrefix.first + rawname;
1117         string temp2 = m_attributePrefix.second + (cginame + 5);
1118         request.clearHeader(temp.c_str(), temp2.c_str());
1119     }
1120     else if (m_base) {
1121         m_base->clearHeader(request, rawname, cginame);
1122     }
1123     else {
1124         request.clearHeader(rawname, cginame);
1125     }
1126 }
1127
1128 void XMLApplication::setHeader(SPRequest& request, const char* name, const char* value) const
1129 {
1130     if (!m_attributePrefix.first.empty()) {
1131         string temp = m_attributePrefix.first + name;
1132         request.setHeader(temp.c_str(), value);
1133     }
1134     else if (m_base) {
1135         m_base->setHeader(request, name, value);
1136     }
1137     else {
1138         request.setHeader(name, value);
1139     }
1140 }
1141
1142 string XMLApplication::getSecureHeader(const SPRequest& request, const char* name) const
1143 {
1144     if (!m_attributePrefix.first.empty()) {
1145         string temp = m_attributePrefix.first + name;
1146         return request.getSecureHeader(temp.c_str());
1147     }
1148     else if (m_base) {
1149         return m_base->getSecureHeader(request,name);
1150     }
1151     else {
1152         return request.getSecureHeader(name);
1153     }
1154 }
1155
1156 const SessionInitiator* XMLApplication::getDefaultSessionInitiator() const
1157 {
1158     if (m_sessionInitDefault) return m_sessionInitDefault;
1159     return m_base ? m_base->getDefaultSessionInitiator() : nullptr;
1160 }
1161
1162 const SessionInitiator* XMLApplication::getSessionInitiatorById(const char* id) const
1163 {
1164     map<string,const SessionInitiator*>::const_iterator i=m_sessionInitMap.find(id);
1165     if (i!=m_sessionInitMap.end()) return i->second;
1166     return m_base ? m_base->getSessionInitiatorById(id) : nullptr;
1167 }
1168
1169 const Handler* XMLApplication::getDefaultAssertionConsumerService() const
1170 {
1171     if (m_acsDefault) return m_acsDefault;
1172     return m_base ? m_base->getDefaultAssertionConsumerService() : nullptr;
1173 }
1174
1175 const Handler* XMLApplication::getAssertionConsumerServiceByIndex(unsigned short index) const
1176 {
1177     map<unsigned int,const Handler*>::const_iterator i=m_acsIndexMap.find(index);
1178     if (i!=m_acsIndexMap.end()) return i->second;
1179     return m_base ? m_base->getAssertionConsumerServiceByIndex(index) : nullptr;
1180 }
1181
1182 const vector<const Handler*>& XMLApplication::getAssertionConsumerServicesByBinding(const XMLCh* binding) const
1183 {
1184     ACSBindingMap::const_iterator i=m_acsBindingMap.find(binding);
1185     if (i!=m_acsBindingMap.end())
1186         return i->second;
1187     return m_base ? m_base->getAssertionConsumerServicesByBinding(binding) : g_noHandlers;
1188 }
1189
1190 const Handler* XMLApplication::getHandler(const char* path) const
1191 {
1192     string wrap(path);
1193     wrap = wrap.substr(0,wrap.find(';'));
1194     map<string,const Handler*>::const_iterator i=m_handlerMap.find(wrap.substr(0,wrap.find('?')));
1195     if (i!=m_handlerMap.end())
1196         return i->second;
1197     return m_base ? m_base->getHandler(path) : nullptr;
1198 }
1199
1200 void XMLApplication::getHandlers(vector<const Handler*>& handlers) const
1201 {
1202     handlers.insert(handlers.end(), m_handlers.begin(), m_handlers.end());
1203     if (m_base) {
1204         for (map<string,const Handler*>::const_iterator h = m_base->m_handlerMap.begin(); h != m_base->m_handlerMap.end(); ++h) {
1205             if (m_handlerMap.count(h->first) == 0)
1206                 handlers.push_back(h->second);
1207         }
1208     }
1209 }
1210
1211 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
1212 short
1213 #else
1214 DOMNodeFilter::FilterAction
1215 #endif
1216 XMLConfigImpl::acceptNode(const DOMNode* node) const
1217 {
1218     if (!XMLString::equals(node->getNamespaceURI(),shibspconstants::SHIB2SPCONFIG_NS))
1219         return FILTER_ACCEPT;
1220     const XMLCh* name=node->getLocalName();
1221     if (XMLString::equals(name,ApplicationDefaults) ||
1222         XMLString::equals(name,_ArtifactMap) ||
1223         XMLString::equals(name,_Extensions) ||
1224         XMLString::equals(name,Listener) ||
1225         XMLString::equals(name,_RequestMapper) ||
1226         XMLString::equals(name,_ReplayCache) ||
1227         XMLString::equals(name,SecurityPolicies) ||
1228         XMLString::equals(name,SecurityPolicyProvider) ||
1229         XMLString::equals(name,_SessionCache) ||
1230         XMLString::equals(name,Site) ||
1231         XMLString::equals(name,_StorageService) ||
1232         XMLString::equals(name,TCPListener) ||
1233         XMLString::equals(name,TransportOption) ||
1234         XMLString::equals(name,UnixListener))
1235         return FILTER_REJECT;
1236
1237     return FILTER_ACCEPT;
1238 }
1239
1240 void XMLConfigImpl::doExtensions(const DOMElement* e, const char* label, Category& log)
1241 {
1242     const DOMElement* exts = XMLHelper::getFirstChildElement(e, _Extensions);
1243     if (exts) {
1244         exts = XMLHelper::getFirstChildElement(exts, Library);
1245         while (exts) {
1246             string path(XMLHelper::getAttrString(exts, nullptr, _path));
1247             try {
1248                 if (!path.empty()) {
1249                     if (!XMLToolingConfig::getConfig().load_library(path.c_str(), (void*)exts))
1250                         throw ConfigurationException("XMLToolingConfig::load_library failed.");
1251                     log.debug("loaded %s extension library (%s)", label, path.c_str());
1252                 }
1253             }
1254             catch (exception& e) {
1255                 if (XMLHelper::getAttrBool(exts, false, _fatal)) {
1256                     log.fatal("unable to load mandatory %s extension library %s: %s", label, path.c_str(), e.what());
1257                     throw;
1258                 }
1259                 else {
1260                     log.crit("unable to load optional %s extension library %s: %s", label, path.c_str(), e.what());
1261                 }
1262             }
1263             exts = XMLHelper::getNextSiblingElement(exts, Library);
1264         }
1265     }
1266 }
1267
1268 XMLConfigImpl::XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log)
1269     : m_requestMapper(nullptr),
1270 #ifndef SHIBSP_LITE
1271         m_policy(nullptr),
1272 #endif
1273         m_outer(outer), m_document(nullptr)
1274 {
1275 #ifdef _DEBUG
1276     xmltooling::NDC ndc("XMLConfigImpl");
1277 #endif
1278
1279     try {
1280         SPConfig& conf=SPConfig::getConfig();
1281 #ifndef SHIBSP_LITE
1282         SAMLConfig& samlConf=SAMLConfig::getConfig();
1283 #endif
1284         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
1285         const DOMElement* SHAR=XMLHelper::getFirstChildElement(e, OutOfProcess);
1286         const DOMElement* SHIRE=XMLHelper::getFirstChildElement(e, InProcess);
1287
1288         // Initialize logging manually in order to redirect log messages as soon as possible.
1289         if (conf.isEnabled(SPConfig::Logging)) {
1290             string logconf;
1291             if (conf.isEnabled(SPConfig::OutOfProcess))
1292                 logconf = XMLHelper::getAttrString(SHAR, nullptr, logger);
1293             else if (conf.isEnabled(SPConfig::InProcess))
1294                 logconf = XMLHelper::getAttrString(SHIRE, nullptr, logger);
1295             if (logconf.empty())
1296                 logconf = XMLHelper::getAttrString(e, nullptr, logger);
1297             if (logconf.empty() && !getenv("SHIBSP_LOGGING")) {
1298                 // No properties found, so default them.
1299                 if (conf.isEnabled(SPConfig::OutOfProcess) && !conf.isEnabled(SPConfig::InProcess))
1300                     logconf = "shibd.logger";
1301                 else if (!conf.isEnabled(SPConfig::OutOfProcess) && conf.isEnabled(SPConfig::InProcess))
1302                     logconf = "native.logger";
1303                 else
1304                     logconf = "shibboleth.logger";
1305             }
1306             if (!logconf.empty()) {
1307                 log.debug("loading new logging configuration from (%s), check log destination for status of configuration", logconf.c_str());
1308                 if (!XMLToolingConfig::getConfig().log_config(logconf.c_str()))
1309                     log.crit("failed to load new logging configuration from (%s)", logconf.c_str());
1310             }
1311
1312 #ifndef SHIBSP_LITE
1313             if (first)
1314                 m_outer->m_tranLog = new TransactionLog();
1315 #endif
1316         }
1317
1318         // Re-log library versions now that logging is set up.
1319         log.info("Shibboleth SP Version %s", PACKAGE_VERSION);
1320 #ifndef SHIBSP_LITE
1321         log.info(
1322             "Library versions: Xerces-C %s, XML-Security-C %s, XMLTooling-C %s, OpenSAML-C %s, Shibboleth %s",
1323             XERCES_FULLVERSIONDOT, XSEC_FULLVERSIONDOT, XMLTOOLING_FULLVERSIONDOT, OPENSAML_FULLVERSIONDOT, SHIBSP_FULLVERSIONDOT
1324             );
1325 #else
1326         log.info(
1327             "Library versions: Xerces-C %s, XMLTooling-C %s, Shibboleth %s",
1328             XERCES_FULLVERSIONDOT, XMLTOOLING_FULLVERSIONDOT, SHIBSP_FULLVERSIONDOT
1329             );
1330 #endif
1331
1332         // First load any property sets.
1333         load(e,nullptr,this);
1334
1335         DOMElement* child;
1336
1337         // Much of the processing can only occur on the first instantiation.
1338         if (first) {
1339             // Set clock skew.
1340             pair<bool,unsigned int> skew=getUnsignedInt("clockSkew");
1341             if (skew.first)
1342                 xmlConf.clock_skew_secs=min(skew.second,(60*60*24*7*28));
1343
1344             pair<bool,const char*> unsafe = getString("unsafeChars");
1345             if (unsafe.first)
1346                 TemplateEngine::unsafe_chars = unsafe.second;
1347
1348             unsafe = getString("allowedSchemes");
1349             if (unsafe.first) {
1350                 HTTPResponse::getAllowedSchemes().clear();
1351                 string schemes=unsafe.second;
1352                 unsigned int j_sch=0;
1353                 for (unsigned int i_sch=0;  i_sch < schemes.length();  i_sch++) {
1354                     if (schemes.at(i_sch)==' ') {
1355                         HTTPResponse::getAllowedSchemes().push_back(schemes.substr(j_sch, i_sch-j_sch));
1356                         j_sch = i_sch + 1;
1357                     }
1358                 }
1359                 HTTPResponse::getAllowedSchemes().push_back(schemes.substr(j_sch, schemes.length()-j_sch));
1360             }
1361
1362             // Extensions
1363             doExtensions(e, "global", log);
1364             if (conf.isEnabled(SPConfig::OutOfProcess))
1365                 doExtensions(SHAR, "out of process", log);
1366
1367             if (conf.isEnabled(SPConfig::InProcess))
1368                 doExtensions(SHIRE, "in process", log);
1369
1370             // Instantiate the ListenerService and SessionCache objects.
1371             if (conf.isEnabled(SPConfig::Listener)) {
1372 #ifdef WIN32
1373                 string plugtype(TCP_LISTENER_SERVICE);
1374 #else
1375                 string plugtype(UNIX_LISTENER_SERVICE);
1376 #endif
1377                 child = XMLHelper::getFirstChildElement(e, UnixListener);
1378                 if (child)
1379                     plugtype = UNIX_LISTENER_SERVICE;
1380                 else {
1381                     child = XMLHelper::getFirstChildElement(e, TCPListener);
1382                     if (child)
1383                         plugtype = TCP_LISTENER_SERVICE;
1384                     else {
1385                         child = XMLHelper::getFirstChildElement(e, Listener);
1386                         if (child) {
1387                             auto_ptr_char type(child->getAttributeNS(nullptr, _type));
1388                             if (type.get() && *type.get())
1389                                 plugtype = type.get();
1390                         }
1391                     }
1392                 }
1393
1394                 log.info("building ListenerService of type %s...", plugtype.c_str());
1395                 m_outer->m_listener = conf.ListenerServiceManager.newPlugin(plugtype.c_str(), child);
1396             }
1397
1398 #ifndef SHIBSP_LITE
1399             if (m_outer->m_listener && conf.isEnabled(SPConfig::OutOfProcess) && !conf.isEnabled(SPConfig::InProcess)) {
1400                 m_outer->m_listener->regListener("set::RelayState", const_cast<XMLConfig*>(m_outer));
1401                 m_outer->m_listener->regListener("get::RelayState", const_cast<XMLConfig*>(m_outer));
1402                 m_outer->m_listener->regListener("set::PostData", const_cast<XMLConfig*>(m_outer));
1403                 m_outer->m_listener->regListener("get::PostData", const_cast<XMLConfig*>(m_outer));
1404             }
1405 #endif
1406
1407             if (conf.isEnabled(SPConfig::Caching)) {
1408 #ifndef SHIBSP_LITE
1409                 if (conf.isEnabled(SPConfig::OutOfProcess)) {
1410                     // First build any StorageServices.
1411                     child = XMLHelper::getFirstChildElement(e, _StorageService);
1412                     while (child) {
1413                         string id(XMLHelper::getAttrString(child, nullptr, _id));
1414                         string t(XMLHelper::getAttrString(child, nullptr, _type));
1415                         if (!t.empty()) {
1416                             try {
1417                                 log.info("building StorageService (%s) of type %s...", id.c_str(), t.c_str());
1418                                 m_outer->m_storage[id] = xmlConf.StorageServiceManager.newPlugin(t.c_str(), child);
1419                             }
1420                             catch (exception& ex) {
1421                                 log.crit("failed to instantiate StorageService (%s): %s", id.c_str(), ex.what());
1422                             }
1423                         }
1424                         child = XMLHelper::getNextSiblingElement(child, _StorageService);
1425                     }
1426
1427                     if (m_outer->m_storage.empty()) {
1428                         log.info("no StorageService plugin(s) installed, using (mem) in-memory instance");
1429                         m_outer->m_storage["id"] = xmlConf.StorageServiceManager.newPlugin(MEMORY_STORAGE_SERVICE, nullptr);
1430                     }
1431
1432                     // Replay cache.
1433                     StorageService* replaySS = nullptr;
1434                     child = XMLHelper::getFirstChildElement(e, _ReplayCache);
1435                     if (child) {
1436                         string ssid(XMLHelper::getAttrString(child, nullptr, _StorageService));
1437                         if (!ssid.empty()) {
1438                             if (m_outer->m_storage.count(ssid)) {
1439                                 log.info("building ReplayCache on top of StorageService (%s)...", ssid.c_str());
1440                                 replaySS = m_outer->m_storage[ssid];
1441                             }
1442                             else {
1443                                 log.error("unable to locate StorageService (%s), using arbitrary instance for ReplayCache", ssid.c_str());
1444                                 replaySS = m_outer->m_storage.begin()->second;
1445                             }
1446                         }
1447                         else {
1448                             log.info("no StorageService specified for ReplayCache, using arbitrary instance");
1449                             replaySS = m_outer->m_storage.begin()->second;
1450                         }
1451                     }
1452                     else {
1453                         log.info("no ReplayCache specified, using arbitrary StorageService instance");
1454                         replaySS = m_outer->m_storage.begin()->second;
1455                     }
1456                     xmlConf.setReplayCache(new ReplayCache(replaySS));
1457
1458                     // ArtifactMap
1459                     child = XMLHelper::getFirstChildElement(e, _ArtifactMap);
1460                     if (child) {
1461                         string ssid(XMLHelper::getAttrString(child, nullptr, _StorageService));
1462                         if (!ssid.empty()) {
1463                             if (m_outer->m_storage.count(ssid)) {
1464                                 log.info("building ArtifactMap on top of StorageService (%s)...", ssid.c_str());
1465                                 samlConf.setArtifactMap(new ArtifactMap(child, m_outer->m_storage[ssid]));
1466                             }
1467                             else {
1468                                 log.error("unable to locate StorageService (%s), using in-memory ArtifactMap", ssid.c_str());
1469                                 samlConf.setArtifactMap(new ArtifactMap(child));
1470                             }
1471                         }
1472                         else {
1473                             log.info("no StorageService specified, using in-memory ArtifactMap");
1474                             samlConf.setArtifactMap(new ArtifactMap(child));
1475                         }
1476                     }
1477                     else {
1478                         log.info("no ArtifactMap specified, building in-memory ArtifactMap...");
1479                         samlConf.setArtifactMap(new ArtifactMap(child));
1480                     }
1481                 }   // end of out of process caching components
1482 #endif
1483
1484                 child = XMLHelper::getFirstChildElement(e, _SessionCache);
1485                 if (child) {
1486                     string t(XMLHelper::getAttrString(child, nullptr, _type));
1487                     if (!t.empty()) {
1488                         log.info("building SessionCache of type %s...", t.c_str());
1489                         m_outer->m_sessionCache = conf.SessionCacheManager.newPlugin(t.c_str(), child);
1490                     }
1491                 }
1492                 if (!m_outer->m_sessionCache) {
1493                     log.info("no SessionCache specified, using StorageService-backed instance");
1494                     m_outer->m_sessionCache = conf.SessionCacheManager.newPlugin(STORAGESERVICE_SESSION_CACHE, nullptr);
1495                 }
1496             }
1497         } // end of first-time-only stuff
1498
1499         // Back to the fully dynamic stuff...next up is the RequestMapper.
1500         if (conf.isEnabled(SPConfig::RequestMapping)) {
1501             if (child = XMLHelper::getFirstChildElement(e, _RequestMapper)) {
1502                 string t(XMLHelper::getAttrString(child, nullptr, _type));
1503                 if (!t.empty()) {
1504                     log.info("building RequestMapper of type %s...", t.c_str());
1505                     m_requestMapper = conf.RequestMapperManager.newPlugin(t.c_str(), child);
1506                 }
1507             }
1508             if (!m_requestMapper) {
1509                 log.info("no RequestMapper specified, using 'Native' plugin with empty/default map");
1510                 child = e->getOwnerDocument()->createElementNS(nullptr, _RequestMapper);
1511                 DOMElement* mapperDummy = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS, RequestMap);
1512                 mapperDummy->setAttributeNS(nullptr, applicationId, _default);
1513                 child->appendChild(mapperDummy);
1514                 m_requestMapper = conf.RequestMapperManager.newPlugin(NATIVE_REQUEST_MAPPER, child);
1515             }
1516         }
1517
1518 #ifndef SHIBSP_LITE
1519         // Load security policies.
1520         if (child = XMLHelper::getLastChildElement(e, SecurityPolicyProvider)) {
1521             string t(XMLHelper::getAttrString(child, nullptr, _type));
1522             if (!t.empty()) {
1523                 log.info("building SecurityPolicyProvider of type %s...", t.c_str());
1524                 m_policy = conf.SecurityPolicyProviderManager.newPlugin(t.c_str(), child);
1525             }
1526             else {
1527                 throw ConfigurationException("can't build SecurityPolicyProvider, no type specified");
1528             }
1529         }
1530         else if (child = XMLHelper::getLastChildElement(e, SecurityPolicies)) {
1531             // For backward compatibility, wrap in a plugin element.
1532             DOMElement* polwrapper = e->getOwnerDocument()->createElementNS(nullptr, SecurityPolicyProvider);
1533             polwrapper->appendChild(child);
1534             log.info("building SecurityPolicyProvider of type %s...", XML_SECURITYPOLICY_PROVIDER);
1535             m_policy = conf.SecurityPolicyProviderManager.newPlugin(XML_SECURITYPOLICY_PROVIDER, polwrapper);
1536         }
1537         else {
1538             log.fatal("can't build SecurityPolicyProvider, missing conf:SecurityPolicyProvider element?");
1539             throw ConfigurationException("Can't build SecurityPolicyProvider, missing conf:SecurityPolicyProvider element?");
1540         }
1541
1542         if (first) {
1543 #ifdef SHIBSP_XMLSEC_WHITELISTING
1544             vector<xstring>::const_iterator alg;
1545             if (!m_policy->getAlgorithmBlacklist().empty()) {
1546                 for (alg = m_policy->getAlgorithmBlacklist().begin(); alg != m_policy->getAlgorithmBlacklist().end(); ++alg)
1547                     XSECPlatformUtils::blacklistAlgorithm(alg->c_str());
1548             }
1549             else if (!m_policy->getAlgorithmWhitelist().empty()) {
1550                 for (alg = m_policy->getAlgorithmWhitelist().begin(); alg != m_policy->getAlgorithmWhitelist().end(); ++alg)
1551                     XSECPlatformUtils::whitelistAlgorithm(alg->c_str());
1552             }
1553 #else
1554             log.fatal("XML-Security-C library prior to 1.6.0 does not support algorithm white/blacklists");
1555             throw ConfigurationException("XML-Security-C library prior to 1.6.0 does not support algorithm white/blacklists.");
1556 #endif
1557         }
1558
1559         // Process TransportOption elements.
1560         child = XMLHelper::getLastChildElement(e, TransportOption);
1561         while (child) {
1562             if (child->hasChildNodes()) {
1563                 string provider(XMLHelper::getAttrString(child, nullptr, _provider));
1564                 string option(XMLHelper::getAttrString(child, nullptr, _option));
1565                 auto_ptr_char value(child->getFirstChild()->getNodeValue());
1566                 if (!provider.empty() && !option.empty() && value.get() && *value.get()) {
1567                     m_transportOptions.push_back(make_pair(provider, make_pair(option, string(value.get()))));
1568                 }
1569             }
1570             child = XMLHelper::getPreviousSiblingElement(child, TransportOption);
1571         }
1572 #endif
1573
1574         // Load the default application.
1575         child = XMLHelper::getLastChildElement(e, ApplicationDefaults);
1576         if (!child) {
1577             log.fatal("can't build default Application object, missing conf:ApplicationDefaults element?");
1578             throw ConfigurationException("can't build default Application object, missing conf:ApplicationDefaults element?");
1579         }
1580         XMLApplication* defapp = new XMLApplication(m_outer, child);
1581         m_appmap[defapp->getId()] = defapp;
1582
1583         // Load any overrides.
1584         child = XMLHelper::getFirstChildElement(child, ApplicationOverride);
1585         while (child) {
1586             auto_ptr<XMLApplication> iapp(new XMLApplication(m_outer, child, defapp));
1587             if (m_appmap.count(iapp->getId()))
1588                 log.crit("found conf:ApplicationOverride element with duplicate id attribute (%s), skipping it", iapp->getId());
1589             else {
1590                 const char* iappid=iapp->getId();
1591                 m_appmap[iappid] = iapp.release();
1592             }
1593
1594             child = XMLHelper::getNextSiblingElement(child, ApplicationOverride);
1595         }
1596     }
1597     catch (exception&) {
1598         cleanup();
1599         throw;
1600     }
1601 }
1602
1603 XMLConfigImpl::~XMLConfigImpl()
1604 {
1605     cleanup();
1606 }
1607
1608 void XMLConfigImpl::cleanup()
1609 {
1610     for_each(m_appmap.begin(),m_appmap.end(),cleanup_pair<string,Application>());
1611     m_appmap.clear();
1612 #ifndef SHIBSP_LITE
1613     delete m_policy;
1614     m_policy = nullptr;
1615 #endif
1616     delete m_requestMapper;
1617     m_requestMapper = nullptr;
1618     if (m_document)
1619         m_document->release();
1620     m_document = nullptr;
1621 }
1622
1623 #ifndef SHIBSP_LITE
1624 void XMLConfig::receive(DDF& in, ostream& out)
1625 {
1626     if (!strcmp(in.name(), "get::RelayState")) {
1627         const char* id = in["id"].string();
1628         const char* key = in["key"].string();
1629         if (!id || !key)
1630             throw ListenerException("Required parameters missing for RelayState recovery.");
1631
1632         string relayState;
1633         StorageService* storage = getStorageService(id);
1634         if (storage) {
1635             if (storage->readString("RelayState",key,&relayState)>0) {
1636                 if (in["clear"].integer())
1637                     storage->deleteString("RelayState",key);
1638             }
1639         }
1640         else {
1641             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1642                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1643                 );
1644         }
1645
1646         // Repack for return to caller.
1647         DDF ret=DDF(nullptr).unsafe_string(relayState.c_str());
1648         DDFJanitor jret(ret);
1649         out << ret;
1650     }
1651     else if (!strcmp(in.name(), "set::RelayState")) {
1652         const char* id = in["id"].string();
1653         const char* value = in["value"].string();
1654         if (!id || !value)
1655             throw ListenerException("Required parameters missing for RelayState creation.");
1656
1657         string rsKey;
1658         StorageService* storage = getStorageService(id);
1659         if (storage) {
1660             SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
1661             rsKey = SAMLArtifact::toHex(rsKey);
1662             storage->createString("RelayState", rsKey.c_str(), value, time(nullptr) + 600);
1663         }
1664         else {
1665             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1666                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1667                 );
1668         }
1669
1670         // Repack for return to caller.
1671         DDF ret=DDF(nullptr).string(rsKey.c_str());
1672         DDFJanitor jret(ret);
1673         out << ret;
1674     }
1675     else if (!strcmp(in.name(), "get::PostData")) {
1676         const char* id = in["id"].string();
1677         const char* key = in["key"].string();
1678         if (!id || !key)
1679             throw ListenerException("Required parameters missing for PostData recovery.");
1680
1681         string postData;
1682         StorageService* storage = getStorageService(id);
1683         if (storage) {
1684             if (storage->readString("PostData",key,&postData) > 0) {
1685                 storage->deleteString("PostData",key);
1686             }
1687         }
1688         else {
1689             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1690                 "Storage-backed PostData with invalid StorageService ID (%s)", id
1691                 );
1692         }
1693         // If the data's empty, we'll send nothing back.
1694         // If not, we don't need to round trip it, just send back the serialized DDF list.
1695         if (postData.empty()) {
1696             DDF ret(nullptr);
1697             DDFJanitor jret(ret);
1698             out << ret;
1699         }
1700         else {
1701             out << postData;
1702         }
1703     }
1704     else if (!strcmp(in.name(), "set::PostData")) {
1705         const char* id = in["id"].string();
1706         if (!id || !in["parameters"].islist())
1707             throw ListenerException("Required parameters missing for PostData creation.");
1708
1709         string rsKey;
1710         StorageService* storage = getStorageService(id);
1711         if (storage) {
1712             SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
1713             rsKey = SAMLArtifact::toHex(rsKey);
1714             ostringstream params;
1715             params << in["parameters"];
1716             storage->createString("PostData", rsKey.c_str(), params.str().c_str(), time(nullptr) + 600);
1717         }
1718         else {
1719             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1720                 "Storage-backed PostData with invalid StorageService ID (%s)", id
1721                 );
1722         }
1723
1724         // Repack for return to caller.
1725         DDF ret=DDF(nullptr).string(rsKey.c_str());
1726         DDFJanitor jret(ret);
1727         out << ret;
1728     }
1729 }
1730 #endif
1731
1732 pair<bool,DOMElement*> XMLConfig::background_load()
1733 {
1734     // Load from source using base class.
1735     pair<bool,DOMElement*> raw = ReloadableXMLFile::load();
1736
1737     // If we own it, wrap it.
1738     XercesJanitor<DOMDocument> docjanitor(raw.first ? raw.second->getOwnerDocument() : nullptr);
1739
1740     XMLConfigImpl* impl = new XMLConfigImpl(raw.second, (m_impl==nullptr), this, m_log);
1741
1742     // If we held the document, transfer it to the impl. If we didn't, it's a no-op.
1743     impl->setDocument(docjanitor.release());
1744
1745     // Perform the swap inside a lock.
1746     if (m_lock)
1747         m_lock->wrlock();
1748     SharedLock locker(m_lock, false);
1749     delete m_impl;
1750     m_impl = impl;
1751
1752     return make_pair(false,(DOMElement*)nullptr);
1753 }