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