https://issues.shibboleth.net/jira/browse/SSPCPP-519
[shibboleth/cpp-sp.git] / shibsp / impl / XMLServiceProvider.cpp
1 /**
2  * Licensed to the University Corporation for Advanced Internet
3  * Development, Inc. (UCAID) under one or more contributor license
4  * agreements. See the NOTICE file distributed with this work for
5  * additional information regarding copyright ownership.
6  *
7  * UCAID licenses this file to you under the Apache License,
8  * Version 2.0 (the "License"); you may not use this file except
9  * in compliance with the License. You may obtain a copy of the
10  * License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing,
15  * software distributed under the License is distributed on an
16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
17  * either express or implied. See the License for the specific
18  * language governing permissions and limitations under the License.
19  */
20
21 /**
22  * XMLServiceProvider.cpp
23  *
24  * XML-based SP configuration and mgmt.
25  */
26
27 #include "internal.h"
28 #include "exceptions.h"
29 #include "version.h"
30 #include "AccessControl.h"
31 #include "Application.h"
32 #include "RequestMapper.h"
33 #include "ServiceProvider.h"
34 #include "SessionCache.h"
35 #include "SPConfig.h"
36 #include "SPRequest.h"
37 #include "binding/ProtocolProvider.h"
38 #include "handler/LogoutInitiator.h"
39 #include "handler/SessionInitiator.h"
40 #include "remoting/ListenerService.h"
41 #include "util/DOMPropertySet.h"
42 #include "util/SPConstants.h"
43
44 #if defined(XMLTOOLING_LOG4SHIB)
45 # include <log4shib/PropertyConfigurator.hh>
46 #elif defined(XMLTOOLING_LOG4CPP)
47 # include <log4cpp/PropertyConfigurator.hh>
48 #else
49 # error "Supported logging library not available."
50 #endif
51 #include <algorithm>
52 #include <boost/bind.hpp>
53 #include <boost/lexical_cast.hpp>
54 #include <boost/shared_ptr.hpp>
55 #include <boost/algorithm/string.hpp>
56 #include <boost/tuple/tuple.hpp>
57 #include <xercesc/util/XMLUniDefs.hpp>
58 #include <xercesc/util/XMLStringTokenizer.hpp>
59 #include <xmltooling/XMLToolingConfig.h>
60 #include <xmltooling/version.h>
61 #include <xmltooling/util/NDC.h>
62 #include <xmltooling/util/ReloadableXMLFile.h>
63 #include <xmltooling/util/TemplateEngine.h>
64 #include <xmltooling/util/Threads.h>
65 #include <xmltooling/util/XMLHelper.h>
66
67 #ifndef SHIBSP_LITE
68 # include "attribute/filtering/AttributeFilter.h"
69 # include "attribute/resolver/AttributeExtractor.h"
70 # include "attribute/resolver/AttributeResolver.h"
71 # include "security/PKIXTrustEngine.h"
72 # include "security/SecurityPolicyProvider.h"
73 # include <saml/exceptions.h>
74 # include <saml/version.h>
75 # include <saml/SAMLConfig.h>
76 # include <saml/binding/ArtifactMap.h>
77 # include <saml/binding/SAMLArtifact.h>
78 # include <saml/saml1/core/Assertions.h>
79 # include <saml/saml2/core/Assertions.h>
80 # include <saml/saml2/binding/SAML2ArtifactType0004.h>
81 # include <saml/saml2/metadata/EntityMatcher.h>
82 # include <saml/saml2/metadata/Metadata.h>
83 # include <saml/saml2/metadata/MetadataProvider.h>
84 # include <saml/util/SAMLConstants.h>
85 # include <xmltooling/security/ChainingTrustEngine.h>
86 # include <xmltooling/security/CredentialResolver.h>
87 # include <xmltooling/security/SecurityHelper.h>
88 # include <xmltooling/util/ReplayCache.h>
89 # include <xmltooling/util/StorageService.h>
90 # include <xsec/utils/XSECPlatformUtils.hpp>
91 using namespace opensaml::saml2;
92 using namespace opensaml::saml2p;
93 using namespace opensaml::saml2md;
94 using namespace opensaml;
95 #else
96 # include "lite/SAMLConstants.h"
97 #endif
98
99 using namespace shibsp;
100 using namespace xmltooling;
101 using namespace boost;
102 using namespace std;
103
104 #ifndef min
105 # define min(a,b)            (((a) < (b)) ? (a) : (b))
106 #endif
107
108 namespace {
109
110 #if defined (_MSC_VER)
111     #pragma warning( push )
112     #pragma warning( disable : 4250 )
113 #endif
114
115     static vector<const Handler*> g_noHandlers;
116
117     // Application configuration wrapper
118     class SHIBSP_DLLLOCAL XMLApplication : public Application, public Remoted, public DOMPropertySet, public DOMNodeFilter
119     {
120     public:
121         XMLApplication(const ServiceProvider*, const ProtocolProvider*, DOMElement*, const XMLApplication* base=nullptr);
122         ~XMLApplication();
123
124         const char* getHash() const {return m_hash.c_str();}
125
126 #ifndef SHIBSP_LITE
127         SAMLArtifact* generateSAML1Artifact(const EntityDescriptor* relyingParty) const {
128             throw ConfigurationException("No support for SAML 1.x artifact generation.");
129         }
130         SAML2Artifact* generateSAML2Artifact(const EntityDescriptor* relyingParty) const {
131             pair<bool,int> index = make_pair(false,0);
132             const PropertySet* props = getRelyingParty(relyingParty);
133             index = props->getInt("artifactEndpointIndex");
134             if (!index.first)
135                 index = getArtifactEndpointIndex();
136             pair<bool,const char*> entityID = props->getString("entityID");
137             return new SAML2ArtifactType0004(
138                 SecurityHelper::doHash("SHA1", entityID.second, strlen(entityID.second), false),
139                 index.first ? index.second : 1
140                 );
141         }
142
143         MetadataProvider* getMetadataProvider(bool required=true) const {
144             if (required && !m_base && !m_metadata)
145                 throw ConfigurationException("No MetadataProvider available.");
146             return (!m_metadata && m_base) ? m_base->getMetadataProvider(required) : m_metadata.get();
147         }
148         TrustEngine* getTrustEngine(bool required=true) const {
149             if (required && !m_base && !m_trust)
150                 throw ConfigurationException("No TrustEngine available.");
151             return (!m_trust && m_base) ? m_base->getTrustEngine(required) : m_trust.get();
152         }
153         AttributeExtractor* getAttributeExtractor() const {
154             return (!m_attrExtractor && m_base) ? m_base->getAttributeExtractor() : m_attrExtractor.get();
155         }
156         AttributeFilter* getAttributeFilter() const {
157             return (!m_attrFilter && m_base) ? m_base->getAttributeFilter() : m_attrFilter.get();
158         }
159         AttributeResolver* getAttributeResolver() const {
160             return (!m_attrResolver && m_base) ? m_base->getAttributeResolver() : m_attrResolver.get();
161         }
162         CredentialResolver* getCredentialResolver() const {
163             return (!m_credResolver && m_base) ? m_base->getCredentialResolver() : m_credResolver.get();
164         }
165         const PropertySet* getRelyingParty(const EntityDescriptor* provider) const;
166         const PropertySet* getRelyingParty(const XMLCh* entityID) const;
167
168         const vector<const XMLCh*>* getAudiences() const {
169             return (m_audiences.empty() && m_base) ? m_base->getAudiences() : &m_audiences;
170         }
171 #endif
172         string getNotificationURL(const char* resource, bool front, unsigned int index) const;
173
174         const vector<string>& getRemoteUserAttributeIds() const {
175             return (m_remoteUsers.empty() && m_base) ? m_base->getRemoteUserAttributeIds() : m_remoteUsers;
176         }
177
178         void clearHeader(SPRequest& request, const char* rawname, const char* cginame) const;
179         void setHeader(SPRequest& request, const char* name, const char* value) const;
180         string getSecureHeader(const SPRequest& request, const char* name) const;
181
182         const SessionInitiator* getDefaultSessionInitiator() const;
183         const SessionInitiator* getSessionInitiatorById(const char* id) const;
184         const Handler* getDefaultAssertionConsumerService() const;
185         const Handler* getAssertionConsumerServiceByIndex(unsigned short index) const;
186         const Handler* getAssertionConsumerServiceByProtocol(const XMLCh* protocol, const char* binding=nullptr) const;
187         const vector<const Handler*>& getAssertionConsumerServicesByBinding(const XMLCh* binding) const;
188         const Handler* getHandler(const char* path) const;
189         void getHandlers(vector<const Handler*>& handlers) const;
190         void limitRedirect(const GenericRequest& request, const char* url) const;
191
192         void receive(DDF& in, ostream& out) {
193             // Only current function is to return the headers to clear.
194             DDF header;
195             DDF ret=DDF(nullptr).list();
196             DDFJanitor jret(ret);
197             for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i) {
198                 header = DDF(i->first.c_str()).string(i->second.c_str());
199                 ret.add(header);
200             }
201             out << ret;
202         }
203
204         // Provides filter to exclude special config elements.
205 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
206         short
207 #else
208         FilterAction
209 #endif
210         acceptNode(const DOMNode* node) const;
211
212     private:
213         template <class T> T* doChainedPlugins(
214             PluginManager<T,string,const DOMElement*>& pluginMgr,
215             const char* pluginType,
216             const char* chainingType,
217             const XMLCh* localName,
218             DOMElement* e,
219             Category& log,
220             const char* dummyType=nullptr
221             );
222         void doAttributeInfo();
223         void doHandlers(const ProtocolProvider*, const DOMElement*, Category&);
224         void doSSO(const ProtocolProvider&, set<string>&, DOMElement*, Category&);
225         void doLogout(const ProtocolProvider&, set<string>&, DOMElement*, Category&);
226         void doNameIDMgmt(const ProtocolProvider&, set<string>&, DOMElement*, Category&);
227         void doArtifactResolution(const ProtocolProvider&, const char*, DOMElement*, Category&);
228         const XMLApplication* m_base;
229         string m_hash;
230         std::pair<std::string,std::string> m_attributePrefix;
231 #ifndef SHIBSP_LITE
232         void doAttributePlugins(DOMElement*, Category&);
233         scoped_ptr<MetadataProvider> m_metadata;
234         scoped_ptr<TrustEngine> m_trust;
235         scoped_ptr<AttributeExtractor> m_attrExtractor;
236         scoped_ptr<AttributeFilter> m_attrFilter;
237         scoped_ptr<AttributeResolver> m_attrResolver;
238         scoped_ptr<CredentialResolver> m_credResolver;
239         vector<const XMLCh*> m_audiences;
240
241         // RelyingParty properties
242         map< xstring,boost::shared_ptr<PropertySet> > m_partyMap;   // name-based matching
243         vector< pair< boost::shared_ptr<EntityMatcher>,boost::shared_ptr<PropertySet> > > m_partyVec;  // plugin-based matching
244 #endif
245         vector<string> m_remoteUsers,m_frontLogout,m_backLogout;
246
247         // manage handler objects
248         vector< boost::shared_ptr<Handler> > m_handlers;
249
250         // maps location (path info) to applicable handlers
251         map<string,const Handler*> m_handlerMap;
252
253         // maps unique indexes to consumer services
254         map<unsigned int,const Handler*> m_acsIndexMap;
255
256         // pointer to default consumer service
257         const Handler* m_acsDefault;
258
259         // maps binding strings to supporting consumer service(s)
260         typedef map< xstring,vector<const Handler*> > ACSBindingMap;
261         ACSBindingMap m_acsBindingMap;
262
263         // maps protocol strings to supporting consumer service(s)
264         typedef map< xstring,vector<const Handler*> > ACSProtocolMap;
265         ACSProtocolMap m_acsProtocolMap;
266
267         // pointer to default session initiator
268         const SessionInitiator* m_sessionInitDefault;
269
270         // maps unique ID strings to session initiators
271         map<string,const SessionInitiator*> m_sessionInitMap;
272
273         // pointer to default artifact resolution service
274         const Handler* m_artifactResolutionDefault;
275
276         pair<bool,int> getArtifactEndpointIndex() const {
277             if (m_artifactResolutionDefault) return m_artifactResolutionDefault->getInt("index");
278             return m_base ? m_base->getArtifactEndpointIndex() : make_pair(false,0);
279         }
280
281         enum {
282             REDIRECT_LIMIT_INHERIT,
283             REDIRECT_LIMIT_NONE,
284             REDIRECT_LIMIT_EXACT,
285             REDIRECT_LIMIT_HOST,
286             REDIRECT_LIMIT_WHITELIST,
287             REDIRECT_LIMIT_EXACT_WHITELIST,
288             REDIRECT_LIMIT_HOST_WHITELIST
289         } m_redirectLimit;
290         vector<string> m_redirectWhitelist;
291     };
292
293     // Top-level configuration implementation
294     class SHIBSP_DLLLOCAL XMLConfig;
295     class SHIBSP_DLLLOCAL XMLConfigImpl : public DOMPropertySet, public DOMNodeFilter
296     {
297     public:
298         XMLConfigImpl(const DOMElement* e, bool first, XMLConfig* outer, Category& log);
299         ~XMLConfigImpl() {
300             if (m_document)
301                 m_document->release();
302         }
303
304 #ifndef SHIBSP_LITE
305         scoped_ptr<TransactionLog> m_tranLog;
306         scoped_ptr<SecurityPolicyProvider> m_policy;
307         vector< tuple<string,string,string> > m_transportOptions;
308 #endif
309         scoped_ptr<RequestMapper> m_requestMapper;
310         map< string,boost::shared_ptr<Application> > m_appmap;
311
312         // Provides filter to exclude special config elements.
313 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
314         short
315 #else
316         FilterAction
317 #endif
318         acceptNode(const DOMNode* node) const;
319
320         void setDocument(DOMDocument* doc) {
321             m_document = doc;
322         }
323
324     private:
325         void doExtensions(const DOMElement*, const char*, Category&);
326         void doListener(const DOMElement*, XMLConfig*, Category&);
327         void doCaching(const DOMElement*, XMLConfig*, Category&);
328
329         DOMDocument* m_document;
330     };
331
332     class SHIBSP_DLLLOCAL XMLConfig : public ServiceProvider, public ReloadableXMLFile
333 #ifndef SHIBSP_LITE
334         ,public Remoted
335 #endif
336     {
337     public:
338         XMLConfig(const DOMElement* e) : ReloadableXMLFile(e, Category::getInstance(SHIBSP_LOGCAT".Config")) {}
339
340         void init() {
341             background_load();
342         }
343
344         ~XMLConfig() {
345             shutdown();
346 #ifndef SHIBSP_LITE
347             SAMLConfig::getConfig().setArtifactMap(nullptr);
348             XMLToolingConfig::getConfig().setReplayCache(nullptr);
349 #endif
350         }
351
352 #ifndef SHIBSP_LITE
353         // Lockable
354         Lockable* lock() {
355             ReloadableXMLFile::lock();
356             if (m_impl->m_policy)
357                 m_impl->m_policy->lock();
358             return this;
359         }
360         void unlock() {
361             if (m_impl->m_policy)
362                 m_impl->m_policy->unlock();
363             ReloadableXMLFile::unlock();
364         }
365 #endif
366
367         // PropertySet
368         const PropertySet* getParent() const { return m_impl->getParent(); }
369         void setParent(const PropertySet* parent) {return m_impl->setParent(parent);}
370         pair<bool,bool> getBool(const char* name, const char* ns=nullptr) const {return m_impl->getBool(name,ns);}
371         pair<bool,const char*> getString(const char* name, const char* ns=nullptr) const {return m_impl->getString(name,ns);}
372         pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=nullptr) const {return m_impl->getXMLString(name,ns);}
373         pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=nullptr) const {return m_impl->getUnsignedInt(name,ns);}
374         pair<bool,int> getInt(const char* name, const char* ns=nullptr) const {return m_impl->getInt(name,ns);}
375         void getAll(map<string,const char*>& properties) const {return m_impl->getAll(properties);}
376         const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const {return m_impl->getPropertySet(name,ns);}
377         const DOMElement* getElement() const {return m_impl->getElement();}
378
379         // ServiceProvider
380 #ifndef SHIBSP_LITE
381         // Remoted
382         void receive(DDF& in, ostream& out);
383
384         TransactionLog* getTransactionLog() const {
385             if (m_impl->m_tranLog)
386                 return m_impl->m_tranLog.get();
387             throw ConfigurationException("No TransactionLog available.");
388         }
389
390         StorageService* getStorageService(const char* id) const {
391             if (id) {
392                 map< string,boost::shared_ptr<StorageService> >::const_iterator i = m_storage.find(id);
393                 if (i != m_storage.end())
394                     return i->second.get();
395             }
396             else if (!m_storage.empty())
397                 return m_storage.begin()->second.get();
398             return nullptr;
399         }
400 #endif
401
402         ListenerService* getListenerService(bool required=true) const {
403             if (required && !m_listener)
404                 throw ConfigurationException("No ListenerService available.");
405             return m_listener.get();
406         }
407
408         SessionCache* getSessionCache(bool required=true) const {
409             if (required && !m_sessionCache)
410                 throw ConfigurationException("No SessionCache available.");
411             return m_sessionCache.get();
412         }
413
414         RequestMapper* getRequestMapper(bool required=true) const {
415             if (required && !m_impl->m_requestMapper)
416                 throw ConfigurationException("No RequestMapper available.");
417             return m_impl->m_requestMapper.get();
418         }
419
420         const Application* getApplication(const char* applicationId) const {
421             map< string,boost::shared_ptr<Application> >::const_iterator i = m_impl->m_appmap.find(applicationId ? applicationId : "default");
422             return (i != m_impl->m_appmap.end()) ? i->second.get() : nullptr;
423         }
424
425 #ifndef SHIBSP_LITE
426         SecurityPolicyProvider* getSecurityPolicyProvider(bool required=true) const {
427             if (required && !m_impl->m_policy)
428                 throw ConfigurationException("No SecurityPolicyProvider available.");
429             return m_impl->m_policy.get();
430         }
431
432         const PropertySet* getPolicySettings(const char* id) const {
433             return getSecurityPolicyProvider()->getPolicySettings(id);
434         }
435
436         const vector<const SecurityPolicyRule*>& getPolicyRules(const char* id) const {
437             return getSecurityPolicyProvider()->getPolicyRules(id);
438         }
439
440         bool setTransportOptions(SOAPTransport& transport) const {
441             bool ret = true;
442             for (vector< tuple<string,string,string> >::const_iterator opt = m_impl->m_transportOptions.begin();
443                     opt != m_impl->m_transportOptions.end(); ++opt) {
444                 if (!transport.setProviderOption(opt->get<0>().c_str(), opt->get<1>().c_str(), opt->get<2>().c_str())) {
445                     m_log.error("failed to set SOAPTransport option (%s)", opt->get<1>().c_str());
446                     ret = false;
447                 }
448             }
449             return ret;
450         }
451 #endif
452
453     protected:
454         pair<bool,DOMElement*> background_load();
455
456     private:
457         friend class XMLConfigImpl;
458         // The order of these members actually matters. If we want to rely on auto-destruction, then
459         // anything dependent on anything else has to come later in the object so it will pop first.
460         // Storage is the lowest, then remoting, then the cache, and finally the rest.
461 #ifndef SHIBSP_LITE
462         map< string,boost::shared_ptr<StorageService> > m_storage;
463 #endif
464         scoped_ptr<ListenerService> m_listener;
465         scoped_ptr<SessionCache> m_sessionCache;
466         scoped_ptr<XMLConfigImpl> m_impl;
467     };
468
469 #if defined (_MSC_VER)
470     #pragma warning( pop )
471 #endif
472
473     static const XMLCh applicationId[] =        UNICODE_LITERAL_13(a,p,p,l,i,c,a,t,i,o,n,I,d);
474     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);
475     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);
476     static const XMLCh _ArtifactMap[] =         UNICODE_LITERAL_11(A,r,t,i,f,a,c,t,M,a,p);
477     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);
478     static const XMLCh _AttributeFilter[] =     UNICODE_LITERAL_15(A,t,t,r,i,b,u,t,e,F,i,l,t,e,r);
479     static const XMLCh _AttributeResolver[] =   UNICODE_LITERAL_17(A,t,t,r,i,b,u,t,e,R,e,s,o,l,v,e,r);
480     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);
481     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);
482     static const XMLCh _Audience[] =            UNICODE_LITERAL_8(A,u,d,i,e,n,c,e);
483     static const XMLCh Binding[] =              UNICODE_LITERAL_7(B,i,n,d,i,n,g);
484     static const XMLCh Channel[]=               UNICODE_LITERAL_7(C,h,a,n,n,e,l);
485     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);
486     static const XMLCh _default[] =             UNICODE_LITERAL_7(d,e,f,a,u,l,t);
487     static const XMLCh _Extensions[] =          UNICODE_LITERAL_10(E,x,t,e,n,s,i,o,n,s);
488     static const XMLCh _fatal[] =               UNICODE_LITERAL_5(f,a,t,a,l);
489     static const XMLCh _Handler[] =             UNICODE_LITERAL_7(H,a,n,d,l,e,r);
490     static const XMLCh _id[] =                  UNICODE_LITERAL_2(i,d);
491     static const XMLCh _index[] =               UNICODE_LITERAL_5(i,n,d,e,x);
492     static const XMLCh InProcess[] =            UNICODE_LITERAL_9(I,n,P,r,o,c,e,s,s);
493     static const XMLCh Library[] =              UNICODE_LITERAL_7(L,i,b,r,a,r,y);
494     static const XMLCh Listener[] =             UNICODE_LITERAL_8(L,i,s,t,e,n,e,r);
495     static const XMLCh Location[] =             UNICODE_LITERAL_8(L,o,c,a,t,i,o,n);
496     static const XMLCh logger[] =               UNICODE_LITERAL_6(l,o,g,g,e,r);
497     static const XMLCh Logout[] =               UNICODE_LITERAL_6(L,o,g,o,u,t);
498     static const XMLCh _LogoutInitiator[] =     UNICODE_LITERAL_15(L,o,g,o,u,t,I,n,i,t,i,a,t,o,r);
499     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);
500     static const XMLCh _MetadataProvider[] =    UNICODE_LITERAL_16(M,e,t,a,d,a,t,a,P,r,o,v,i,d,e,r);
501     static const XMLCh NameIDMgmt[] =           UNICODE_LITERAL_10(N,a,m,e,I,D,M,g,m,t);
502     static const XMLCh Notify[] =               UNICODE_LITERAL_6(N,o,t,i,f,y);
503     static const XMLCh _option[] =              UNICODE_LITERAL_6(o,p,t,i,o,n);
504     static const XMLCh OutOfProcess[] =         UNICODE_LITERAL_12(O,u,t,O,f,P,r,o,c,e,s,s);
505     static const XMLCh _path[] =                UNICODE_LITERAL_4(p,a,t,h);
506     static const XMLCh _policyId[] =            UNICODE_LITERAL_8(p,o,l,i,c,y,I,d);
507     static const XMLCh _ProtocolProvider[] =    UNICODE_LITERAL_16(P,r,o,t,o,c,o,l,P,r,o,v,i,d,e,r);
508     static const XMLCh _provider[] =            UNICODE_LITERAL_8(p,r,o,v,i,d,e,r);
509     static const XMLCh RelyingParty[] =         UNICODE_LITERAL_12(R,e,l,y,i,n,g,P,a,r,t,y);
510     static const XMLCh _ReplayCache[] =         UNICODE_LITERAL_11(R,e,p,l,a,y,C,a,c,h,e);
511     static const XMLCh _RequestMapper[] =       UNICODE_LITERAL_13(R,e,q,u,e,s,t,M,a,p,p,e,r);
512     static const XMLCh RequestMap[] =           UNICODE_LITERAL_10(R,e,q,u,e,s,t,M,a,p);
513     static const XMLCh SecurityPolicies[] =     UNICODE_LITERAL_16(S,e,c,u,r,i,t,y,P,o,l,i,c,i,e,s);
514     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);
515     static const XMLCh _SessionCache[] =        UNICODE_LITERAL_12(S,e,s,s,i,o,n,C,a,c,h,e);
516     static const XMLCh _SessionInitiator[] =    UNICODE_LITERAL_16(S,e,s,s,i,o,n,I,n,i,t,i,a,t,o,r);
517     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);
518     static const XMLCh Site[] =                 UNICODE_LITERAL_4(S,i,t,e);
519     static const XMLCh SSO[] =                  UNICODE_LITERAL_3(S,S,O);
520     static const XMLCh _StorageService[] =      UNICODE_LITERAL_14(S,t,o,r,a,g,e,S,e,r,v,i,c,e);
521     static const XMLCh TCPListener[] =          UNICODE_LITERAL_11(T,C,P,L,i,s,t,e,n,e,r);
522     static const XMLCh tranLogFiller[] =        UNICODE_LITERAL_13(t,r,a,n,L,o,g,F,i,l,l,e,r);
523     static const XMLCh tranLogFormat[] =        UNICODE_LITERAL_13(t,r,a,n,L,o,g,F,o,r,m,a,t);
524     static const XMLCh TransportOption[] =      UNICODE_LITERAL_15(T,r,a,n,s,p,o,r,t,O,p,t,i,o,n);
525     static const XMLCh _TrustEngine[] =         UNICODE_LITERAL_11(T,r,u,s,t,E,n,g,i,n,e);
526     static const XMLCh _type[] =                UNICODE_LITERAL_4(t,y,p,e);
527     static const XMLCh UnixListener[] =         UNICODE_LITERAL_12(U,n,i,x,L,i,s,t,e,n,e,r);
528 };
529
530 namespace shibsp {
531     ServiceProvider* XMLServiceProviderFactory(const DOMElement* const & e)
532     {
533         return new XMLConfig(e);
534     }
535 };
536
537 XMLApplication::XMLApplication(
538     const ServiceProvider* sp,
539     const ProtocolProvider* pp,
540     DOMElement* e,
541     const XMLApplication* base
542     ) : Application(sp), m_base(base), m_acsDefault(nullptr), m_sessionInitDefault(nullptr), m_artifactResolutionDefault(nullptr)
543 {
544 #ifdef _DEBUG
545     xmltooling::NDC ndc("XMLApplication");
546 #endif
547     Category& log = Category::getInstance(SHIBSP_LOGCAT".Application");
548
549     // First load any property sets.
550     map<string,string> remapper;
551     remapper["relayStateLimit"] = "redirectLimit";
552     remapper["relayStateWhitelist"] = "redirectWhitelist";
553     load(e, nullptr, this, &remapper);
554
555     // Process redirect limit policy. Do this before assigning the parent pointer
556     // to ensure we get only our Sessions element.
557     const PropertySet* sessionProps = getPropertySet("Sessions");
558     if (sessionProps) {
559         pair<bool,const char*> prop = sessionProps->getString("redirectLimit");
560         if (prop.first) {
561             if (!strcmp(prop.second, "none"))
562                 m_redirectLimit = REDIRECT_LIMIT_NONE;
563             else if (!strcmp(prop.second, "exact"))
564                 m_redirectLimit = REDIRECT_LIMIT_EXACT;
565             else if (!strcmp(prop.second, "host"))
566                 m_redirectLimit = REDIRECT_LIMIT_HOST;
567             else {
568                 if (!strcmp(prop.second, "exact+whitelist"))
569                     m_redirectLimit = REDIRECT_LIMIT_EXACT_WHITELIST;
570                 else if (!strcmp(prop.second, "host+whitelist"))
571                     m_redirectLimit = REDIRECT_LIMIT_HOST_WHITELIST;
572                 else if (!strcmp(prop.second, "whitelist"))
573                     m_redirectLimit = REDIRECT_LIMIT_WHITELIST;
574                 else
575                     throw ConfigurationException("Unrecognized redirectLimit setting ($1)", params(1, prop.second));
576                 prop = sessionProps->getString("redirectWhitelist");
577                 if (prop.first) {
578                     string dup(prop.second);
579                     split(m_redirectWhitelist, dup, is_space(), algorithm::token_compress_on);
580                 }
581             }
582         }
583         else {
584             m_redirectLimit = base ? REDIRECT_LIMIT_INHERIT : REDIRECT_LIMIT_NONE;
585         }
586
587         // Audit some additional settings for logging purposes.
588         prop = sessionProps->getString("cookieProps");
589         if (!prop.first) {
590             log.warn("empty/missing cookieProps setting, set to \"https\" for SSL/TLS-only usage");
591         }
592         else if (!strcmp(prop.second, "http")) {
593             log.warn("insecure cookieProps setting, set to \"https\" for SSL/TLS-only usage");
594         }
595         else if (strcmp(prop.second, "https")) {
596             if (!strstr(prop.second, ";secure") && !strstr(prop.second, "; secure"))
597                 log.warn("custom cookieProps setting should include \"; secure\" for SSL/TLS-only usage");
598             else if (!strstr(prop.second, ";HttpOnly") && !strstr(prop.second, "; HttpOnly"))
599                 log.warn("custom cookieProps setting should include \"; HttpOnly\", site is vulnerable to client-side cookie theft");
600         }
601
602         pair<bool,bool> handlerSSL = sessionProps->getBool("handlerSSL");
603         if (handlerSSL.first && !handlerSSL.second)
604             log.warn("handlerSSL should be enabled for SSL/TLS-enabled web sites");
605     }
606     else {
607         m_redirectLimit = base ? REDIRECT_LIMIT_INHERIT : REDIRECT_LIMIT_NONE;
608     }
609
610     // Assign parent.
611     if (base)
612         setParent(base);
613
614     SPConfig& conf=SPConfig::getConfig();
615 #ifndef SHIBSP_LITE
616     XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
617 #endif
618
619     // This used to be an actual hash, but now it's just a hex-encode to avoid xmlsec dependency.
620     static char DIGITS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
621     string tohash=getId();
622     tohash+=getString("entityID").second;
623     for (const char* ch = tohash.c_str(); *ch; ++ch) {
624         m_hash += (DIGITS[((unsigned char)(0xF0 & *ch)) >> 4 ]);
625         m_hash += (DIGITS[0x0F & *ch]);
626     }
627
628     doAttributeInfo();
629
630     if (conf.isEnabled(SPConfig::Handlers))
631         doHandlers(pp, e, log);
632
633     // Notification.
634     DOMNodeList* nlist = e->getElementsByTagNameNS(shibspconstants::SHIB2SPCONFIG_NS, Notify);
635     for (XMLSize_t i = 0; nlist && i < nlist->getLength(); ++i) {
636         if (nlist->item(i)->getParentNode()->isSameNode(e)) {
637             const XMLCh* channel = static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(nullptr, Channel);
638             string loc(XMLHelper::getAttrString(static_cast<DOMElement*>(nlist->item(i)), nullptr, Location));
639             if (!loc.empty()) {
640                 if (channel && *channel == chLatin_f)
641                     m_frontLogout.push_back(loc);
642                 else
643                     m_backLogout.push_back(loc);
644             }
645         }
646     }
647
648 #ifndef SHIBSP_LITE
649     nlist = e->getElementsByTagNameNS(samlconstants::SAML20_NS, Audience::LOCAL_NAME);
650     if (nlist && nlist->getLength()) {
651         log.warn("use of <saml:Audience> elements outside of a Security Policy Rule is deprecated");
652         for (XMLSize_t i = 0; i < nlist->getLength(); ++i)
653             if (nlist->item(i)->getParentNode()->isSameNode(e) && nlist->item(i)->hasChildNodes())
654                 m_audiences.push_back(nlist->item(i)->getFirstChild()->getNodeValue());
655     }
656
657     if (conf.isEnabled(SPConfig::Metadata)) {
658         m_metadata.reset(
659             doChainedPlugins(
660                 SAMLConfig::getConfig().MetadataProviderManager, "MetadataProvider", CHAINING_METADATA_PROVIDER, _MetadataProvider, e, log
661                 )
662             );
663         try {
664             if (m_metadata)
665                 m_metadata->init();
666             else if (!m_base)
667                 log.warn("no MetadataProvider available, configure at least one for standard SSO usage");
668         }
669         catch (std::exception& ex) {
670             log.crit("error initializing MetadataProvider: %s", ex.what());
671         }
672     }
673
674     if (conf.isEnabled(SPConfig::Trust)) {
675         m_trust.reset(doChainedPlugins(xmlConf.TrustEngineManager, "TrustEngine", CHAINING_TRUSTENGINE, _TrustEngine, e, log));
676         if (!m_trust && !m_base) {
677             log.info(
678                 "no TrustEngine specified or installed, using default chain {%s, %s}",
679                 EXPLICIT_KEY_TRUSTENGINE, SHIBBOLETH_PKIX_TRUSTENGINE
680                 );
681             m_trust.reset(xmlConf.TrustEngineManager.newPlugin(CHAINING_TRUSTENGINE, nullptr));
682             ChainingTrustEngine* trustchain = dynamic_cast<ChainingTrustEngine*>(m_trust.get());
683             if (trustchain) {
684                 trustchain->addTrustEngine(xmlConf.TrustEngineManager.newPlugin(EXPLICIT_KEY_TRUSTENGINE, nullptr));
685                 trustchain->addTrustEngine(xmlConf.TrustEngineManager.newPlugin(SHIBBOLETH_PKIX_TRUSTENGINE, nullptr));
686             }
687         }
688     }
689
690     if (conf.isEnabled(SPConfig::AttributeResolution)) {
691         doAttributePlugins(e, log);
692     }
693
694     if (conf.isEnabled(SPConfig::Credentials)) {
695         m_credResolver.reset(
696             doChainedPlugins(xmlConf.CredentialResolverManager, "CredentialResolver", CHAINING_CREDENTIAL_RESOLVER, _CredentialResolver, e, log)
697             );
698     }
699
700     // Finally, load relying parties.
701     const DOMElement* child = XMLHelper::getFirstChildElement(e, RelyingParty);
702     while (child) {
703         if (child->hasAttributeNS(nullptr, saml2::Attribute::NAME_ATTRIB_NAME)) {
704             boost::shared_ptr<DOMPropertySet> rp(new DOMPropertySet());
705             rp->load(child, nullptr, this);
706             rp->setParent(this);
707             m_partyMap[child->getAttributeNS(nullptr, saml2::Attribute::NAME_ATTRIB_NAME)] = rp;
708         }
709         else if (child->hasAttributeNS(nullptr, _type)) {
710             string emtype(XMLHelper::getAttrString(child, nullptr, _type));
711             boost::shared_ptr<EntityMatcher> em(SAMLConfig::getConfig().EntityMatcherManager.newPlugin(emtype, child));
712             boost::shared_ptr<DOMPropertySet> rp(new DOMPropertySet());
713             rp->load(child, nullptr, this);
714             rp->setParent(this);
715             m_partyVec.push_back(make_pair(em, rp));
716         }
717         child = XMLHelper::getNextSiblingElement(child, RelyingParty);
718     }
719     if (base && m_partyMap.empty() && m_partyVec.empty() && (!base->m_partyMap.empty() || !base->m_partyVec.empty())) {
720         // For inheritance of RPs to work, we have to pull them in to the override by cloning the DOM.
721         child = XMLHelper::getFirstChildElement(base->getElement(), RelyingParty);
722         while (child) {
723             if (child->hasAttributeNS(nullptr, saml2::Attribute::NAME_ATTRIB_NAME)) {
724                 DOMElement* rpclone = static_cast<DOMElement*>(child->cloneNode(true));
725                 boost::shared_ptr<DOMPropertySet> rp(new DOMPropertySet());
726                 rp->load(rpclone, nullptr, this);
727                 rp->setParent(this);
728                 m_partyMap[rpclone->getAttributeNS(nullptr, saml2::Attribute::NAME_ATTRIB_NAME)] = rp;
729             }
730             else if (child->hasAttributeNS(nullptr, _type)) {
731                 DOMElement* rpclone = static_cast<DOMElement*>(child->cloneNode(true));
732                 string emtype(XMLHelper::getAttrString(rpclone, nullptr, _type));
733                 boost::shared_ptr<EntityMatcher> em(SAMLConfig::getConfig().EntityMatcherManager.newPlugin(emtype, rpclone));
734                 boost::shared_ptr<DOMPropertySet> rp(new DOMPropertySet());
735                 rp->load(rpclone, nullptr, this);
736                 rp->setParent(this);
737                 m_partyVec.push_back(make_pair(em, rp));
738             }
739             child = XMLHelper::getNextSiblingElement(child, RelyingParty);
740         }
741     }
742 #endif
743
744     // Out of process only, we register a listener endpoint.
745     if (!conf.isEnabled(SPConfig::InProcess)) {
746         ListenerService* listener = sp->getListenerService(false);
747         if (listener) {
748             string addr=string(getId()) + "::getHeaders::Application";
749             listener->regListener(addr.c_str(), this);
750         }
751         else {
752             log.info("no ListenerService available, Application remoting disabled");
753         }
754     }
755 }
756
757 XMLApplication::~XMLApplication()
758 {
759     ListenerService* listener=getServiceProvider().getListenerService(false);
760     if (listener && SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess) && !SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
761         string addr=string(getId()) + "::getHeaders::Application";
762         listener->unregListener(addr.c_str(), this);
763     }
764 }
765
766 template <class T> T* XMLApplication::doChainedPlugins(
767     PluginManager<T,string,const DOMElement*>& pluginMgr,
768     const char* pluginType,
769     const char* chainingType,
770     const XMLCh* localName,
771     DOMElement* e,
772     Category& log,
773     const char* dummyType
774     )
775 {
776     string t;
777     DOMElement* child = XMLHelper::getFirstChildElement(e, localName);
778     if (child) {
779         // Check for multiple.
780         if (XMLHelper::getNextSiblingElement(child, localName)) {
781             log.info("multiple %s plugins, wrapping in a chain", pluginType);
782             DOMElement* chain = child->getOwnerDocument()->createElementNS(nullptr, localName);
783             while (child) {
784                 chain->appendChild(child);
785                 child = XMLHelper::getFirstChildElement(e, localName);
786             }
787             t = chainingType;
788             child = chain;
789             e->appendChild(chain);
790         }
791         else {
792             // Only a single one.
793             t = XMLHelper::getAttrString(child, nullptr, _type);
794         }
795
796         try {
797             if (!t.empty()) {
798                 log.info("building %s of type %s...", pluginType, t.c_str());
799                 return pluginMgr.newPlugin(t.c_str(), child);
800             }
801             else {
802                 throw ConfigurationException("$1 element had no type attribute.", params(1, pluginType));
803             }
804         }
805         catch (std::exception& ex) {
806             log.crit("error building %s: %s", pluginType, ex.what());
807             if (dummyType) {
808                 // Install a dummy version as a safety valve.
809                 log.crit("installing safe %s in place of failed version", pluginType);
810                 return pluginMgr.newPlugin(dummyType, nullptr);
811             }
812         }
813     }
814
815     return nullptr;
816 }
817
818 void XMLApplication::doAttributeInfo()
819 {
820     // Populate prefix pair.
821     m_attributePrefix.second = "HTTP_";
822     pair<bool,const char*> prefix = getString("attributePrefix");
823     if (prefix.first) {
824         m_attributePrefix.first = prefix.second;
825         const char* pch = prefix.second;
826         while (*pch) {
827             m_attributePrefix.second += (isalnum(*pch) ? toupper(*pch) : '_');
828             pch++;
829         }
830     }
831
832     pair<bool,const char*> attributes = getString("REMOTE_USER");
833     if (attributes.first) {
834         string dup(attributes.second);
835         split(m_remoteUsers, dup, is_space(), algorithm::token_compress_on);
836     }
837
838     // Load attribute ID lists for REMOTE_USER and header clearing.
839     if (SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
840         attributes = getString("unsetHeaders");
841         if (attributes.first) {
842             string transformedprefix(m_attributePrefix.second);
843             const char* pch;
844             prefix = getString("metadataAttributePrefix");
845             if (prefix.first) {
846                 pch = prefix.second;
847                 while (*pch) {
848                     transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
849                     pch++;
850                 }
851             }
852
853             string dup(attributes.second);
854             vector<string> headerNames;
855             split(headerNames, dup, is_space(), algorithm::token_compress_on);
856             for (vector<string>::const_iterator h = headerNames.begin(); h != headerNames.end(); ++h) {
857                 string transformed;
858                 const char* pch = h->c_str();
859                 while (*pch) {
860                     transformed += (isalnum(*pch) ? toupper(*pch) : '_');
861                     pch++;
862                 }
863                 m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + *h, m_attributePrefix.second + transformed));
864                 if (prefix.first)
865                     m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + prefix.second + *h, transformedprefix + transformed));
866             }
867             m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + "Shib-Application-ID", m_attributePrefix.second + "SHIB_APPLICATION_ID"));
868         }
869     }
870 }
871
872 void XMLApplication::doHandlers(const ProtocolProvider* pp, const DOMElement* e, Category& log)
873 {
874     SPConfig& conf = SPConfig::getConfig();
875
876     const PropertySet* sessions = getPropertySet("Sessions");
877
878     // Process assertion export handler.
879     pair<bool,const char*> location = sessions ? sessions->getString("exportLocation") : pair<bool,const char*>(false,nullptr);
880     if (location.first) {
881         try {
882             DOMElement* exportElement = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS, _Handler);
883             exportElement->setAttributeNS(nullptr,Location,sessions->getXMLString("exportLocation").second);
884             pair<bool,const XMLCh*> exportACL = sessions->getXMLString("exportACL");
885             if (exportACL.first) {
886                 static const XMLCh _acl[] = UNICODE_LITERAL_9(e,x,p,o,r,t,A,C,L);
887                 exportElement->setAttributeNS(nullptr,_acl,exportACL.second);
888             }
889             boost::shared_ptr<Handler> exportHandler(
890                 conf.HandlerManager.newPlugin(samlconstants::SAML20_BINDING_URI, pair<const DOMElement*,const char*>(exportElement, getId()))
891                 );
892             m_handlers.push_back(exportHandler);
893
894             // Insert into location map. If it contains the handlerURL, we skip past that part.
895             const char* hurl = sessions->getString("handlerURL").second;
896             if (!hurl)
897                 hurl = "/Shibboleth.sso";
898             const char* pch = strstr(location.second, hurl);
899             if (pch)
900                 location.second = pch + strlen(hurl);
901             if (*location.second == '/')
902                 m_handlerMap[location.second] = exportHandler.get();
903             else
904                 m_handlerMap[string("/") + location.second] = exportHandler.get();
905         }
906         catch (std::exception& ex) {
907             log.error("caught exception installing assertion lookup handler: %s", ex.what());
908         }
909     }
910
911     // Look for "shorthand" elements first.
912     set<string> protocols;
913     DOMElement* child = sessions ? XMLHelper::getFirstChildElement(sessions->getElement()) : nullptr;
914     while (child) {
915         if (XMLHelper::isNodeNamed(child, shibspconstants::SHIB2SPCONFIG_NS, SSO)) {
916             if (pp)
917                 doSSO(*pp, protocols, child, log);
918             else
919                 log.error("no ProtocolProvider, SSO auto-configure unsupported");
920         }
921         else if (XMLHelper::isNodeNamed(child, shibspconstants::SHIB2SPCONFIG_NS, Logout)) {
922             if (pp)
923                 doLogout(*pp, protocols, child, log);
924             else
925                 log.error("no ProtocolProvider, Logout auto-configure unsupported");
926         }
927         else if (XMLHelper::isNodeNamed(child, shibspconstants::SHIB2SPCONFIG_NS, NameIDMgmt)) {
928             if (pp)
929                 doNameIDMgmt(*pp, protocols, child, log);
930             else
931                 log.error("no ProtocolProvider, NameIDMgmt auto-configure unsupported");
932         }
933         else {
934             break;  // drop into next while loop
935         }
936         child = XMLHelper::getNextSiblingElement(child);
937     }
938
939     // Process other handlers.
940     bool hardACS=false, hardSessionInit=false, hardArt=false;
941     while (child) {
942         if (!child->hasAttributeNS(nullptr, Location)) {
943             auto_ptr_char hclass(child->getLocalName());
944             log.error("%s handler with no Location property cannot be processed", hclass.get());
945             child = XMLHelper::getNextSiblingElement(child);
946             continue;
947         }
948         try {
949             boost::shared_ptr<Handler> handler;
950             if (XMLString::equals(child->getLocalName(), _AssertionConsumerService)) {
951                 string bindprop(XMLHelper::getAttrString(child, nullptr, Binding));
952                 if (bindprop.empty()) {
953                     log.error("AssertionConsumerService element has no Binding attribute, skipping it...");
954                     child = XMLHelper::getNextSiblingElement(child);
955                     continue;
956                 }
957                 handler.reset(conf.AssertionConsumerServiceManager.newPlugin(bindprop.c_str(), pair<const DOMElement*,const char*>(child, getId())));
958                 // Map by binding and protocol (may be > 1 per protocol and binding)
959                 m_acsBindingMap[handler->getXMLString("Binding").second].push_back(handler.get());
960                 const XMLCh* protfamily = handler->getProtocolFamily();
961                 if (protfamily)
962                     m_acsProtocolMap[protfamily].push_back(handler.get());
963                 m_acsIndexMap[handler->getUnsignedInt("index").second] = handler.get();
964
965                 if (!hardACS) {
966                     pair<bool,bool> defprop = handler->getBool("isDefault");
967                     if (defprop.first) {
968                         if (defprop.second) {
969                             hardACS = true;
970                             m_acsDefault = handler.get();
971                         }
972                     }
973                     else if (!m_acsDefault)
974                         m_acsDefault = handler.get();
975                 }
976             }
977             else if (XMLString::equals(child->getLocalName(), _SessionInitiator)) {
978                 string t(XMLHelper::getAttrString(child, nullptr, _type));
979                 if (t.empty()) {
980                     log.error("SessionInitiator element has no type attribute, skipping it...");
981                     child = XMLHelper::getNextSiblingElement(child);
982                     continue;
983                 }
984                 boost::shared_ptr<SessionInitiator> sihandler(
985                     conf.SessionInitiatorManager.newPlugin(t.c_str(), pair<const DOMElement*,const char*>(child, getId()))
986                     );
987                 handler = sihandler;
988                 pair<bool,const char*> si_id = handler->getString("id");
989                 if (si_id.first && si_id.second)
990                     m_sessionInitMap[si_id.second] = sihandler.get();
991                 if (!hardSessionInit) {
992                     pair<bool,bool> defprop = handler->getBool("isDefault");
993                     if (defprop.first) {
994                         if (defprop.second) {
995                             hardSessionInit = true;
996                             m_sessionInitDefault = sihandler.get();
997                         }
998                     }
999                     else if (!m_sessionInitDefault) {
1000                         m_sessionInitDefault = sihandler.get();
1001                     }
1002                 }
1003             }
1004             else if (XMLString::equals(child->getLocalName(), _LogoutInitiator)) {
1005                 string t(XMLHelper::getAttrString(child, nullptr, _type));
1006                 if (t.empty()) {
1007                     log.error("LogoutInitiator element has no type attribute, skipping it...");
1008                     child = XMLHelper::getNextSiblingElement(child);
1009                     continue;
1010                 }
1011                 handler.reset(conf.LogoutInitiatorManager.newPlugin(t.c_str(), pair<const DOMElement*,const char*>(child, getId())));
1012             }
1013             else if (XMLString::equals(child->getLocalName(), _ArtifactResolutionService)) {
1014                 string bindprop(XMLHelper::getAttrString(child, nullptr, Binding));
1015                 if (bindprop.empty()) {
1016                     log.error("ArtifactResolutionService element has no Binding attribute, skipping it...");
1017                     child = XMLHelper::getNextSiblingElement(child);
1018                     continue;
1019                 }
1020                 handler.reset(conf.ArtifactResolutionServiceManager.newPlugin(bindprop.c_str(), pair<const DOMElement*,const char*>(child, getId())));
1021
1022                 if (!hardArt) {
1023                     pair<bool,bool> defprop = handler->getBool("isDefault");
1024                     if (defprop.first) {
1025                         if (defprop.second) {
1026                             hardArt = true;
1027                             m_artifactResolutionDefault = handler.get();
1028                         }
1029                     }
1030                     else if (!m_artifactResolutionDefault)
1031                         m_artifactResolutionDefault = handler.get();
1032                 }
1033             }
1034             else if (XMLString::equals(child->getLocalName(), _SingleLogoutService)) {
1035                 string bindprop(XMLHelper::getAttrString(child, nullptr, Binding));
1036                 if (bindprop.empty()) {
1037                     log.error("SingleLogoutService element has no Binding attribute, skipping it...");
1038                     child = XMLHelper::getNextSiblingElement(child);
1039                     continue;
1040                 }
1041                 handler.reset(conf.SingleLogoutServiceManager.newPlugin(bindprop.c_str(), pair<const DOMElement*,const char*>(child, getId())));
1042             }
1043             else if (XMLString::equals(child->getLocalName(), _ManageNameIDService)) {
1044                 string bindprop(XMLHelper::getAttrString(child, nullptr, Binding));
1045                 if (bindprop.empty()) {
1046                     log.error("ManageNameIDService element has no Binding attribute, skipping it...");
1047                     child = XMLHelper::getNextSiblingElement(child);
1048                     continue;
1049                 }
1050                 handler.reset(conf.ManageNameIDServiceManager.newPlugin(bindprop.c_str(), pair<const DOMElement*,const char*>(child, getId())));
1051             }
1052             else {
1053                 string t(XMLHelper::getAttrString(child, nullptr, _type));
1054                 if (t.empty()) {
1055                     log.error("Handler element has no type attribute, skipping it...");
1056                     child = XMLHelper::getNextSiblingElement(child);
1057                     continue;
1058                 }
1059                 handler.reset(conf.HandlerManager.newPlugin(t.c_str(), pair<const DOMElement*,const char*>(child, getId())));
1060             }
1061
1062             m_handlers.push_back(handler);
1063
1064             // Insert into location map.
1065             location = handler->getString("Location");
1066             if (location.first && *location.second == '/')
1067                 m_handlerMap[location.second] = handler.get();
1068             else if (location.first)
1069                 m_handlerMap[string("/") + location.second] = handler.get();
1070         }
1071         catch (std::exception& ex) {
1072             log.error("caught exception processing handler element: %s", ex.what());
1073         }
1074
1075         child = XMLHelper::getNextSiblingElement(child);
1076     }
1077 }
1078
1079 void XMLApplication::doSSO(const ProtocolProvider& pp, set<string>& protocols, DOMElement* e, Category& log)
1080 {
1081     if (!e->hasChildNodes())
1082         return;
1083
1084     SPConfig& conf = SPConfig::getConfig();
1085
1086     int index = 0; // track ACS indexes globally across all protocols
1087
1088     // Tokenize the protocol list inside the element.
1089     XMLStringTokenizer prottokens(e->getTextContent());
1090     while (prottokens.hasMoreTokens()) {
1091         auto_ptr_char prot(prottokens.nextToken());
1092
1093         // Look for initiator.
1094         const PropertySet* initiator = pp.getInitiator(prot.get(), "SSO");
1095         if (initiator) {
1096             log.info("auto-configuring SSO initiation for protocol (%s)", prot.get());
1097             pair<bool,const XMLCh*> inittype = initiator->getXMLString("id");
1098             if (inittype.first) {
1099                 // Append a session initiator element of the designated type to the root element.
1100                 DOMElement* sidom = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS, _SessionInitiator);
1101                 sidom->setAttributeNS(nullptr, _type, inittype.second);
1102                 e->appendChild(sidom);
1103                 log.info("adding SessionInitiator of type (%s) to chain (/Login)", initiator->getString("id").second);
1104
1105                 doArtifactResolution(pp, prot.get(), e, log);
1106                 protocols.insert(prot.get());
1107             }
1108             else {
1109                 log.error("missing id property on Initiator element, check config for protocol (%s)", prot.get());
1110             }
1111         }
1112
1113         // Look for incoming bindings.
1114         const vector<const PropertySet*>& bindings = pp.getBindings(prot.get(), "SSO");
1115         if (!bindings.empty()) {
1116             log.info("auto-configuring SSO endpoints for protocol (%s)", prot.get());
1117             pair<bool,const XMLCh*> idprop,pathprop;
1118             for (vector<const PropertySet*>::const_iterator b = bindings.begin(); b != bindings.end(); ++b, ++index) {
1119                 idprop = (*b)->getXMLString("id");
1120                 pathprop = (*b)->getXMLString("path");
1121                 if (idprop.first && pathprop.first) {
1122                     DOMElement* acsdom = e->getOwnerDocument()->createElementNS(samlconstants::SAML20MD_NS, _AssertionConsumerService);
1123                     acsdom->setAttributeNS(nullptr, Binding, idprop.second);
1124                     acsdom->setAttributeNS(nullptr, Location, pathprop.second);
1125                     xstring indexbuf(1, chDigit_1 + (index % 10));
1126                     if (index / 10)
1127                         indexbuf = (XMLCh)(chDigit_1 + (index / 10)) + indexbuf;
1128                     acsdom->setAttributeNS(nullptr, _index, indexbuf.c_str());
1129                     if (e->hasAttributeNS(nullptr, _policyId))
1130                         acsdom->setAttributeNS(shibspconstants::SHIB2SPCONFIG_NS, _policyId, e->getAttributeNS(nullptr, _policyId));
1131
1132                     log.info("adding AssertionConsumerService for Binding (%s) at (%s)", (*b)->getString("id").second, (*b)->getString("path").second);
1133                     boost::shared_ptr<Handler> handler(
1134                         conf.AssertionConsumerServiceManager.newPlugin(
1135                             (*b)->getString("id").second, pair<const DOMElement*,const char*>(acsdom, getId())
1136                             )
1137                         );
1138                     m_handlers.push_back(handler);
1139
1140                     // Setup maps and defaults.
1141                     m_acsBindingMap[handler->getXMLString("Binding").second].push_back(handler.get());
1142                     const XMLCh* protfamily = handler->getProtocolFamily();
1143                     if (protfamily)
1144                         m_acsProtocolMap[protfamily].push_back(handler.get());
1145                     m_acsIndexMap[handler->getUnsignedInt("index").second] = handler.get();
1146                     if (!m_acsDefault)
1147                         m_acsDefault = handler.get();
1148
1149                     // Insert into location map.
1150                     pair<bool,const char*> location = handler->getString("Location");
1151                     if (location.first && *location.second == '/')
1152                         m_handlerMap[location.second] = handler.get();
1153                     else if (location.first)
1154                         m_handlerMap[string("/") + location.second] = handler.get();
1155                 }
1156                 else {
1157                     log.error("missing id or path property on Binding element, check config for protocol (%s)", prot.get());
1158                 }
1159             }
1160         }
1161
1162         if (!initiator && bindings.empty()) {
1163             log.error("no SSO Initiator or Binding config for protocol (%s)", prot.get());
1164         }
1165     }
1166
1167     // Handle discovery.
1168     static const XMLCh discoveryProtocol[] = UNICODE_LITERAL_17(d,i,s,c,o,v,e,r,y,P,r,o,t,o,c,o,l);
1169     static const XMLCh discoveryURL[] = UNICODE_LITERAL_12(d,i,s,c,o,v,e,r,y,U,R,L);
1170     static const XMLCh _URL[] = UNICODE_LITERAL_3(U,R,L);
1171     const XMLCh* discop = e->getAttributeNS(nullptr, discoveryProtocol);
1172     if (discop && *discop) {
1173         const XMLCh* discou = e->getAttributeNS(nullptr, discoveryURL);
1174         if (discou && *discou) {
1175             // Append a session initiator element of the designated type to the root element.
1176             DOMElement* sidom = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS, _SessionInitiator);
1177             sidom->setAttributeNS(nullptr, _type, discop);
1178             sidom->setAttributeNS(nullptr, _URL, discou);
1179             e->appendChild(sidom);
1180             if (log.isInfoEnabled()) {
1181                 auto_ptr_char dp(discop);
1182                 log.info("adding SessionInitiator of type (%s) to chain (/Login)", dp.get());
1183             }
1184         }
1185         else {
1186             log.error("SSO discoveryProtocol specified without discoveryURL");
1187         }
1188     }
1189
1190     // Attach default Location to SSO element.
1191     static const XMLCh _loc[] = { chForwardSlash, chLatin_L, chLatin_o, chLatin_g, chLatin_i, chLatin_n, chNull };
1192     e->setAttributeNS(nullptr, Location, _loc);
1193
1194     // Instantiate Chaining initiator around the SSO element.
1195     boost::shared_ptr<SessionInitiator> chain(
1196         conf.SessionInitiatorManager.newPlugin(CHAINING_SESSION_INITIATOR, pair<const DOMElement*,const char*>(e, getId()))
1197         );
1198     m_handlers.push_back(chain);
1199     m_sessionInitDefault = chain.get();
1200     m_handlerMap["/Login"] = chain.get();
1201 }
1202
1203 void XMLApplication::doLogout(const ProtocolProvider& pp, set<string>& protocols, DOMElement* e, Category& log)
1204 {
1205     if (!e->hasChildNodes())
1206         return;
1207
1208     SPConfig& conf = SPConfig::getConfig();
1209
1210     // Tokenize the protocol list inside the element.
1211     XMLStringTokenizer prottokens(e->getTextContent());
1212     while (prottokens.hasMoreTokens()) {
1213         auto_ptr_char prot(prottokens.nextToken());
1214
1215         // Look for initiator.
1216         const PropertySet* initiator = pp.getInitiator(prot.get(), "Logout");
1217         if (initiator) {
1218             log.info("auto-configuring Logout initiation for protocol (%s)", prot.get());
1219             pair<bool,const XMLCh*> inittype = initiator->getXMLString("id");
1220             if (inittype.first) {
1221                 // Append a logout initiator element of the designated type to the root element.
1222                 DOMElement* lidom = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS, _LogoutInitiator);
1223                 lidom->setAttributeNS(nullptr, _type, inittype.second);
1224                 e->appendChild(lidom);
1225                 log.info("adding LogoutInitiator of type (%s) to chain (/Logout)", initiator->getString("id").second);
1226
1227                 if (protocols.count(prot.get()) == 0) {
1228                     doArtifactResolution(pp, prot.get(), e, log);
1229                     protocols.insert(prot.get());
1230                 }
1231             }
1232             else {
1233                 log.error("missing id property on Initiator element, check config for protocol (%s)", prot.get());
1234             }
1235         }
1236
1237         // Look for incoming bindings.
1238         const vector<const PropertySet*>& bindings = pp.getBindings(prot.get(), "Logout");
1239         if (!bindings.empty()) {
1240             log.info("auto-configuring Logout endpoints for protocol (%s)", prot.get());
1241             pair<bool,const XMLCh*> idprop,pathprop;
1242             for (vector<const PropertySet*>::const_iterator b = bindings.begin(); b != bindings.end(); ++b) {
1243                 idprop = (*b)->getXMLString("id");
1244                 pathprop = (*b)->getXMLString("path");
1245                 if (idprop.first && pathprop.first) {
1246                     DOMElement* slodom = e->getOwnerDocument()->createElementNS(samlconstants::SAML20MD_NS, _SingleLogoutService);
1247                     slodom->setAttributeNS(nullptr, Binding, idprop.second);
1248                     slodom->setAttributeNS(nullptr, Location, pathprop.second);
1249                     if (e->hasAttributeNS(nullptr, _policyId))
1250                         slodom->setAttributeNS(shibspconstants::SHIB2SPCONFIG_NS, _policyId, e->getAttributeNS(nullptr, _policyId));
1251
1252                     log.info("adding SingleLogoutService for Binding (%s) at (%s)", (*b)->getString("id").second, (*b)->getString("path").second);
1253                     boost::shared_ptr<Handler> handler(
1254                         conf.SingleLogoutServiceManager.newPlugin((*b)->getString("id").second, pair<const DOMElement*,const char*>(slodom, getId()))
1255                         );
1256                     m_handlers.push_back(handler);
1257
1258                     // Insert into location map.
1259                     pair<bool,const char*> location = handler->getString("Location");
1260                     if (location.first && *location.second == '/')
1261                         m_handlerMap[location.second] = handler.get();
1262                     else if (location.first)
1263                         m_handlerMap[string("/") + location.second] = handler.get();
1264                 }
1265                 else {
1266                     log.error("missing id or path property on Binding element, check config for protocol (%s)", prot.get());
1267                 }
1268             }
1269
1270             if (protocols.count(prot.get()) == 0) {
1271                 doArtifactResolution(pp, prot.get(), e, log);
1272                 protocols.insert(prot.get());
1273             }
1274         }
1275
1276         if (!initiator && bindings.empty()) {
1277             log.error("no Logout Initiator or Binding config for protocol (%s)", prot.get());
1278         }
1279     }
1280
1281     // Attach default Location to Logout element.
1282     static const XMLCh _loc[] = { chForwardSlash, chLatin_L, chLatin_o, chLatin_g, chLatin_o, chLatin_u, chLatin_t, chNull };
1283     e->setAttributeNS(nullptr, Location, _loc);
1284
1285     // Instantiate Chaining initiator around the SSO element.
1286     boost::shared_ptr<Handler> chain(
1287         conf.LogoutInitiatorManager.newPlugin(CHAINING_LOGOUT_INITIATOR, pair<const DOMElement*,const char*>(e, getId()))
1288         );
1289     m_handlers.push_back(chain);
1290     m_handlerMap["/Logout"] = chain.get();
1291 }
1292
1293 void XMLApplication::doNameIDMgmt(const ProtocolProvider& pp, set<string>& protocols, DOMElement* e, Category& log)
1294 {
1295     if (!e->hasChildNodes())
1296         return;
1297
1298     SPConfig& conf = SPConfig::getConfig();
1299
1300     // Tokenize the protocol list inside the element.
1301     XMLStringTokenizer prottokens(e->getTextContent());
1302     while (prottokens.hasMoreTokens()) {
1303         auto_ptr_char prot(prottokens.nextToken());
1304
1305         // Look for incoming bindings.
1306         const vector<const PropertySet*>& bindings = pp.getBindings(prot.get(), "NameIDMgmt");
1307         if (!bindings.empty()) {
1308             log.info("auto-configuring NameIDMgmt endpoints for protocol (%s)", prot.get());
1309             pair<bool,const XMLCh*> idprop,pathprop;
1310             for (vector<const PropertySet*>::const_iterator b = bindings.begin(); b != bindings.end(); ++b) {
1311                 idprop = (*b)->getXMLString("id");
1312                 pathprop = (*b)->getXMLString("path");
1313                 if (idprop.first && pathprop.first) {
1314                     DOMElement* nimdom = e->getOwnerDocument()->createElementNS(samlconstants::SAML20MD_NS, _ManageNameIDService);
1315                     nimdom->setAttributeNS(nullptr, Binding, idprop.second);
1316                     nimdom->setAttributeNS(nullptr, Location, pathprop.second);
1317                     if (e->hasAttributeNS(nullptr, _policyId))
1318                         nimdom->setAttributeNS(shibspconstants::SHIB2SPCONFIG_NS, _policyId, e->getAttributeNS(nullptr, _policyId));
1319
1320                     log.info("adding ManageNameIDService for Binding (%s) at (%s)", (*b)->getString("id").second, (*b)->getString("path").second);
1321                     boost::shared_ptr<Handler> handler(
1322                         conf.ManageNameIDServiceManager.newPlugin((*b)->getString("id").second, pair<const DOMElement*,const char*>(nimdom, getId()))
1323                         );
1324                     m_handlers.push_back(handler);
1325
1326                     // Insert into location map.
1327                     pair<bool,const char*> location = handler->getString("Location");
1328                     if (location.first && *location.second == '/')
1329                         m_handlerMap[location.second] = handler.get();
1330                     else if (location.first)
1331                         m_handlerMap[string("/") + location.second] = handler.get();
1332                 }
1333                 else {
1334                     log.error("missing id or path property on Binding element, check config for protocol (%s)", prot.get());
1335                 }
1336             }
1337
1338             if (protocols.count(prot.get()) == 0) {
1339                 doArtifactResolution(pp, prot.get(), e, log);
1340                 protocols.insert(prot.get());
1341             }
1342         }
1343         else {
1344             log.error("no NameIDMgmt Binding config for protocol (%s)", prot.get());
1345         }
1346     }
1347 }
1348
1349 void XMLApplication::doArtifactResolution(const ProtocolProvider& pp, const char* protocol, DOMElement* e, Category& log)
1350 {
1351     SPConfig& conf = SPConfig::getConfig();
1352
1353     int index = 0; // track indexes globally across all protocols
1354
1355     // Look for incoming bindings.
1356     const vector<const PropertySet*>& bindings = pp.getBindings(protocol, "ArtifactResolution");
1357     if (!bindings.empty()) {
1358         log.info("auto-configuring ArtifactResolution endpoints for protocol (%s)", protocol);
1359         pair<bool,const XMLCh*> idprop,pathprop;
1360         for (vector<const PropertySet*>::const_iterator b = bindings.begin(); b != bindings.end(); ++b, ++index) {
1361             idprop = (*b)->getXMLString("id");
1362             pathprop = (*b)->getXMLString("path");
1363             if (idprop.first && pathprop.first) {
1364                 DOMElement* artdom = e->getOwnerDocument()->createElementNS(samlconstants::SAML20MD_NS, _ArtifactResolutionService);
1365                 artdom->setAttributeNS(nullptr, Binding, idprop.second);
1366                 artdom->setAttributeNS(nullptr, Location, pathprop.second);
1367                 xstring indexbuf(1, chDigit_1 + (index % 10));
1368                 if (index / 10)
1369                     indexbuf = (XMLCh)(chDigit_1 + (index / 10)) + indexbuf;
1370                 artdom->setAttributeNS(nullptr, _index, indexbuf.c_str());
1371
1372                 log.info("adding ArtifactResolutionService for Binding (%s) at (%s)", (*b)->getString("id").second, (*b)->getString("path").second);
1373                 boost::shared_ptr<Handler> handler(
1374                     conf.ArtifactResolutionServiceManager.newPlugin((*b)->getString("id").second, pair<const DOMElement*,const char*>(artdom, getId()))
1375                     );
1376                 m_handlers.push_back(handler);
1377
1378                 if (!m_artifactResolutionDefault)
1379                     m_artifactResolutionDefault = handler.get();
1380
1381                 // Insert into location map.
1382                 pair<bool,const char*> location = handler->getString("Location");
1383                 if (location.first && *location.second == '/')
1384                     m_handlerMap[location.second] = handler.get();
1385                 else if (location.first)
1386                     m_handlerMap[string("/") + location.second] = handler.get();
1387             }
1388             else {
1389                 log.error("missing id or path property on Binding element, check config for protocol (%s)", protocol);
1390             }
1391         }
1392     }
1393 }
1394
1395 #ifndef SHIBSP_LITE
1396 void XMLApplication::doAttributePlugins(DOMElement* e, Category& log)
1397 {
1398     SPConfig& conf = SPConfig::getConfig();
1399
1400     m_attrExtractor.reset(
1401         doChainedPlugins(conf.AttributeExtractorManager, "AttributeExtractor", CHAINING_ATTRIBUTE_EXTRACTOR, _AttributeExtractor, e, log)
1402         );
1403
1404     m_attrFilter.reset(
1405         doChainedPlugins(conf.AttributeFilterManager, "AttributeFilter", CHAINING_ATTRIBUTE_FILTER, _AttributeFilter, e, log, DUMMY_ATTRIBUTE_FILTER)
1406         );
1407
1408     m_attrResolver.reset(
1409         doChainedPlugins(conf.AttributeResolverManager, "AttributeResolver", CHAINING_ATTRIBUTE_RESOLVER, _AttributeResolver, e, log)
1410         );
1411
1412     if (m_unsetHeaders.empty()) {
1413         vector<string> unsetHeaders;
1414         if (m_attrExtractor) {
1415             Locker extlock(m_attrExtractor.get());
1416             m_attrExtractor->getAttributeIds(unsetHeaders);
1417         }
1418         else if (m_base && m_base->m_attrExtractor) {
1419             Locker extlock(m_base->m_attrExtractor.get());
1420             m_base->m_attrExtractor->getAttributeIds(unsetHeaders);
1421         }
1422         if (m_attrResolver) {
1423             Locker reslock(m_attrResolver.get());
1424             m_attrResolver->getAttributeIds(unsetHeaders);
1425         }
1426         else if (m_base && m_base->m_attrResolver) {
1427             Locker extlock(m_base->m_attrResolver.get());
1428             m_base->m_attrResolver->getAttributeIds(unsetHeaders);
1429         }
1430         if (!unsetHeaders.empty()) {
1431             string transformedprefix(m_attributePrefix.second);
1432             const char* pch;
1433             pair<bool,const char*> prefix = getString("metadataAttributePrefix");
1434             if (prefix.first) {
1435                 pch = prefix.second;
1436                 while (*pch) {
1437                     transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
1438                     pch++;
1439                 }
1440             }
1441             for (vector<string>::const_iterator hdr = unsetHeaders.begin(); hdr!=unsetHeaders.end(); ++hdr) {
1442                 string transformed;
1443                 pch = hdr->c_str();
1444                 while (*pch) {
1445                     transformed += (isalnum(*pch) ? toupper(*pch) : '_');
1446                     pch++;
1447                 }
1448                 m_unsetHeaders.push_back(make_pair(m_attributePrefix.first + *hdr, m_attributePrefix.second + transformed));
1449                 if (prefix.first)
1450                     m_unsetHeaders.push_back(make_pair(m_attributePrefix.first + prefix.second + *hdr, transformedprefix + transformed));
1451             }
1452         }
1453         m_unsetHeaders.push_back(make_pair(m_attributePrefix.first + "Shib-Application-ID", m_attributePrefix.second + "SHIB_APPLICATION_ID"));
1454     }
1455 }
1456 #endif
1457
1458 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
1459 short
1460 #else
1461 DOMNodeFilter::FilterAction
1462 #endif
1463 XMLApplication::acceptNode(const DOMNode* node) const
1464 {
1465     const XMLCh* name=node->getLocalName();
1466     if (XMLString::equals(name,ApplicationOverride) ||
1467         XMLString::equals(name,_Audience) ||
1468         XMLString::equals(name,Notify) ||
1469         XMLString::equals(name,_Handler) ||
1470         XMLString::equals(name,_AssertionConsumerService) ||
1471         XMLString::equals(name,_ArtifactResolutionService) ||
1472         XMLString::equals(name,Logout) ||
1473         XMLString::equals(name,_LogoutInitiator) ||
1474         XMLString::equals(name,_ManageNameIDService) ||
1475         XMLString::equals(name,NameIDMgmt) ||
1476         XMLString::equals(name,_SessionInitiator) ||
1477         XMLString::equals(name,_SingleLogoutService) ||
1478         XMLString::equals(name,SSO) ||
1479         XMLString::equals(name,RelyingParty) ||
1480         XMLString::equals(name,_MetadataProvider) ||
1481         XMLString::equals(name,_TrustEngine) ||
1482         XMLString::equals(name,_CredentialResolver) ||
1483         XMLString::equals(name,_AttributeFilter) ||
1484         XMLString::equals(name,_AttributeExtractor) ||
1485         XMLString::equals(name,_AttributeResolver))
1486         return FILTER_REJECT;
1487
1488     return FILTER_ACCEPT;
1489 }
1490
1491 #ifndef SHIBSP_LITE
1492
1493 const PropertySet* XMLApplication::getRelyingParty(const EntityDescriptor* provider) const
1494 {
1495     if (!provider)
1496         return this;
1497
1498     // Check for exact match on name.
1499     map< xstring,boost::shared_ptr<PropertySet> >::const_iterator i = m_partyMap.find(provider->getEntityID());
1500     if (i != m_partyMap.end())
1501         return i->second.get();
1502
1503     // Check for extensible matching.
1504     vector < pair< boost::shared_ptr<EntityMatcher>,boost::shared_ptr<PropertySet> > >::const_iterator j;
1505     for (j = m_partyVec.begin(); j != m_partyVec.end(); ++j) {
1506         if (j->first->matches(*provider))
1507             return j->second.get();
1508     }
1509
1510     // Check for group match.
1511     const EntitiesDescriptor* group = dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
1512     while (group) {
1513         if (group->getName()) {
1514             i = m_partyMap.find(group->getName());
1515             if (i != m_partyMap.end())
1516                 return i->second.get();
1517         }
1518         group = dynamic_cast<const EntitiesDescriptor*>(group->getParent());
1519     }
1520     return this;
1521 }
1522
1523 const PropertySet* XMLApplication::getRelyingParty(const XMLCh* entityID) const
1524 {
1525     if (!entityID)
1526         return this;
1527     map< xstring,boost::shared_ptr<PropertySet> >::const_iterator i = m_partyMap.find(entityID);
1528     return (i != m_partyMap.end()) ? i->second.get() : this;
1529 }
1530
1531 #endif
1532
1533 string XMLApplication::getNotificationURL(const char* resource, bool front, unsigned int index) const
1534 {
1535     const vector<string>& locs = front ? m_frontLogout : m_backLogout;
1536     if (locs.empty())
1537         return m_base ? m_base->getNotificationURL(resource, front, index) : string();
1538     else if (index >= locs.size())
1539         return string();
1540
1541 #ifdef HAVE_STRCASECMP
1542     if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
1543 #else
1544     if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
1545 #endif
1546         throw ConfigurationException("Request URL was not absolute.");
1547
1548     const char* handler = locs[index].c_str();
1549
1550     // Should never happen...
1551     if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
1552         throw ConfigurationException(
1553             "Invalid Location property ($1) in Notify element for Application ($2)",
1554             params(2, handler ? handler : "null", getId())
1555             );
1556
1557     // The "Location" property can be in one of three formats:
1558     //
1559     // 1) a full URI:       http://host/foo/bar
1560     // 2) a hostless URI:   http:///foo/bar
1561     // 3) a relative path:  /foo/bar
1562     //
1563     // #  Protocol  Host        Path
1564     // 1  handler   handler     handler
1565     // 2  handler   resource    handler
1566     // 3  resource  resource    handler
1567
1568     const char* path = nullptr;
1569
1570     // Decide whether to use the handler or the resource for the "protocol"
1571     const char* prot;
1572     if (*handler != '/') {
1573         prot = handler;
1574     }
1575     else {
1576         prot = resource;
1577         path = handler;
1578     }
1579
1580     // break apart the "protocol" string into protocol, host, and "the rest"
1581     const char* colon=strchr(prot,':');
1582     colon += 3;
1583     const char* slash=strchr(colon,'/');
1584     if (!path)
1585         path = slash;
1586
1587     // Compute the actual protocol and store.
1588     string notifyURL(prot, colon-prot);
1589
1590     // create the "host" from either the colon/slash or from the target string
1591     // If prot == handler then we're in either #1 or #2, else #3.
1592     // If slash == colon then we're in #2.
1593     if (prot != handler || slash == colon) {
1594         colon = strchr(resource, ':');
1595         colon += 3;      // Get past the ://
1596         slash = strchr(colon, '/');
1597     }
1598     string host(colon, (slash ? slash-colon : strlen(colon)));
1599
1600     // Build the URL
1601     notifyURL += host + path;
1602     return notifyURL;
1603 }
1604
1605 void XMLApplication::clearHeader(SPRequest& request, const char* rawname, const char* cginame) const
1606 {
1607     if (!m_attributePrefix.first.empty()) {
1608         string temp = m_attributePrefix.first + rawname;
1609         string temp2 = m_attributePrefix.second + (cginame + 5);
1610         request.clearHeader(temp.c_str(), temp2.c_str());
1611     }
1612     else if (m_base) {
1613         m_base->clearHeader(request, rawname, cginame);
1614     }
1615     else {
1616         request.clearHeader(rawname, cginame);
1617     }
1618 }
1619
1620 void XMLApplication::setHeader(SPRequest& request, const char* name, const char* value) const
1621 {
1622     if (!m_attributePrefix.first.empty()) {
1623         string temp = m_attributePrefix.first + name;
1624         request.setHeader(temp.c_str(), value);
1625     }
1626     else if (m_base) {
1627         m_base->setHeader(request, name, value);
1628     }
1629     else {
1630         request.setHeader(name, value);
1631     }
1632 }
1633
1634 string XMLApplication::getSecureHeader(const SPRequest& request, const char* name) const
1635 {
1636     if (!m_attributePrefix.first.empty()) {
1637         string temp = m_attributePrefix.first + name;
1638         return request.getSecureHeader(temp.c_str());
1639     }
1640     else if (m_base) {
1641         return m_base->getSecureHeader(request,name);
1642     }
1643     else {
1644         return request.getSecureHeader(name);
1645     }
1646 }
1647
1648 const SessionInitiator* XMLApplication::getDefaultSessionInitiator() const
1649 {
1650     if (m_sessionInitDefault) return m_sessionInitDefault;
1651     return m_base ? m_base->getDefaultSessionInitiator() : nullptr;
1652 }
1653
1654 const SessionInitiator* XMLApplication::getSessionInitiatorById(const char* id) const
1655 {
1656     map<string,const SessionInitiator*>::const_iterator i = m_sessionInitMap.find(id);
1657     if (i != m_sessionInitMap.end()) return i->second;
1658     return m_base ? m_base->getSessionInitiatorById(id) : nullptr;
1659 }
1660
1661 const Handler* XMLApplication::getDefaultAssertionConsumerService() const
1662 {
1663     if (m_acsDefault) return m_acsDefault;
1664     return m_base ? m_base->getDefaultAssertionConsumerService() : nullptr;
1665 }
1666
1667 const Handler* XMLApplication::getAssertionConsumerServiceByIndex(unsigned short index) const
1668 {
1669     map<unsigned int,const Handler*>::const_iterator i = m_acsIndexMap.find(index);
1670     if (i != m_acsIndexMap.end()) return i->second;
1671     return m_base ? m_base->getAssertionConsumerServiceByIndex(index) : nullptr;
1672 }
1673
1674 const Handler* XMLApplication::getAssertionConsumerServiceByProtocol(const XMLCh* protocol, const char* binding) const
1675 {
1676     ACSProtocolMap::const_iterator i = m_acsProtocolMap.find(protocol);
1677     if (i != m_acsProtocolMap.end() && !i->second.empty()) {
1678         if (!binding || !*binding)
1679             return i->second.front();
1680         for (ACSProtocolMap::value_type::second_type::const_iterator j = i->second.begin(); j != i->second.end(); ++j) {
1681             if (!strcmp(binding, (*j)->getString("Binding").second))
1682                 return *j;
1683         }
1684     }
1685     return m_base ? m_base->getAssertionConsumerServiceByProtocol(protocol, binding) : nullptr;
1686 }
1687
1688 const vector<const Handler*>& XMLApplication::getAssertionConsumerServicesByBinding(const XMLCh* binding) const
1689 {
1690     ACSBindingMap::const_iterator i = m_acsBindingMap.find(binding);
1691     if (i != m_acsBindingMap.end())
1692         return i->second;
1693     return m_base ? m_base->getAssertionConsumerServicesByBinding(binding) : g_noHandlers;
1694 }
1695
1696 const Handler* XMLApplication::getHandler(const char* path) const
1697 {
1698     string wrap(path);
1699     wrap = wrap.substr(0, wrap.find(';'));
1700     map<string,const Handler*>::const_iterator i = m_handlerMap.find(wrap.substr(0, wrap.find('?')));
1701     if (i != m_handlerMap.end())
1702         return i->second;
1703     return m_base ? m_base->getHandler(path) : nullptr;
1704 }
1705
1706 void XMLApplication::getHandlers(vector<const Handler*>& handlers) const
1707 {
1708     static void (vector<const Handler*>::* pb)(const Handler* const&) = &vector<const Handler*>::push_back;
1709     for_each(m_handlers.begin(), m_handlers.end(), boost::bind(pb, boost::ref(handlers), boost::bind(&boost::shared_ptr<Handler>::get, _1)));
1710     if (m_base) {
1711         for (map<string,const Handler*>::const_iterator h = m_base->m_handlerMap.begin(); h != m_base->m_handlerMap.end(); ++h) {
1712             if (m_handlerMap.count(h->first) == 0)
1713                 handlers.push_back(h->second);
1714         }
1715     }
1716 }
1717
1718 void XMLApplication::limitRedirect(const GenericRequest& request, const char* url) const
1719 {
1720     if (!url || *url == '/')
1721         return;
1722     if (m_redirectLimit == REDIRECT_LIMIT_INHERIT)
1723         return m_base->limitRedirect(request, url);
1724     if (m_redirectLimit != REDIRECT_LIMIT_NONE) {
1725         vector<string> whitelist;
1726         if (m_redirectLimit == REDIRECT_LIMIT_EXACT || m_redirectLimit == REDIRECT_LIMIT_EXACT_WHITELIST) {
1727             // Scheme and hostname have to match.
1728             if (request.isDefaultPort()) {
1729                 whitelist.push_back(string(request.getScheme()) + "://" + request.getHostname() + '/');
1730             }
1731             whitelist.push_back(string(request.getScheme()) + "://" + request.getHostname() + ':' + lexical_cast<string>(request.getPort()) + '/');
1732         }
1733         else if (m_redirectLimit == REDIRECT_LIMIT_HOST || m_redirectLimit == REDIRECT_LIMIT_HOST_WHITELIST) {
1734             // Allow any scheme or port.
1735             whitelist.push_back(string("https://") + request.getHostname() + '/');
1736             whitelist.push_back(string("http://") + request.getHostname() + '/');
1737             whitelist.push_back(string("https://") + request.getHostname() + ':');
1738             whitelist.push_back(string("http://") + request.getHostname() + ':');
1739         }
1740
1741         static bool (*startsWithI)(const char*,const char*) = XMLString::startsWithI;
1742         if (!whitelist.empty() && find_if(whitelist.begin(), whitelist.end(),
1743                 boost::bind(startsWithI, url, boost::bind(&string::c_str, _1))) != whitelist.end()) {
1744             return;
1745         }
1746         else if (!m_redirectWhitelist.empty() && find_if(m_redirectWhitelist.begin(), m_redirectWhitelist.end(),
1747                 boost::bind(startsWithI, url, boost::bind(&string::c_str, _1))) != m_redirectWhitelist.end()) {
1748             return;
1749         }
1750         Category::getInstance(SHIBSP_LOGCAT".Application").warn("redirectLimit policy enforced, blocked redirect to (%s)", url);
1751         throw opensaml::SecurityPolicyException("Blocked unacceptable redirect location.");
1752     }
1753 }
1754
1755 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
1756 short
1757 #else
1758 DOMNodeFilter::FilterAction
1759 #endif
1760 XMLConfigImpl::acceptNode(const DOMNode* node) const
1761 {
1762     if (!XMLString::equals(node->getNamespaceURI(),shibspconstants::SHIB2SPCONFIG_NS))
1763         return FILTER_ACCEPT;
1764     const XMLCh* name=node->getLocalName();
1765     if (XMLString::equals(name,ApplicationDefaults) ||
1766         XMLString::equals(name,_ArtifactMap) ||
1767         XMLString::equals(name,_Extensions) ||
1768         XMLString::equals(name,Listener) ||
1769         XMLString::equals(name,_ProtocolProvider) ||
1770         XMLString::equals(name,_RequestMapper) ||
1771         XMLString::equals(name,_ReplayCache) ||
1772         XMLString::equals(name,SecurityPolicies) ||
1773         XMLString::equals(name,_SecurityPolicyProvider) ||
1774         XMLString::equals(name,_SessionCache) ||
1775         XMLString::equals(name,Site) ||
1776         XMLString::equals(name,_StorageService) ||
1777         XMLString::equals(name,TCPListener) ||
1778         XMLString::equals(name,TransportOption) ||
1779         XMLString::equals(name,UnixListener))
1780         return FILTER_REJECT;
1781
1782     return FILTER_ACCEPT;
1783 }
1784
1785 void XMLConfigImpl::doExtensions(const DOMElement* e, const char* label, Category& log)
1786 {
1787     const DOMElement* exts = XMLHelper::getFirstChildElement(e, _Extensions);
1788     if (exts) {
1789         exts = XMLHelper::getFirstChildElement(exts, Library);
1790         while (exts) {
1791             string path(XMLHelper::getAttrString(exts, nullptr, _path));
1792             try {
1793                 if (!path.empty()) {
1794                     if (!XMLToolingConfig::getConfig().load_library(path.c_str(), (void*)exts))
1795                         throw ConfigurationException("XMLToolingConfig::load_library failed.");
1796                     log.debug("loaded %s extension library (%s)", label, path.c_str());
1797                 }
1798             }
1799             catch (std::exception& e) {
1800                 if (XMLHelper::getAttrBool(exts, false, _fatal)) {
1801                     log.fatal("unable to load mandatory %s extension library %s: %s", label, path.c_str(), e.what());
1802                     throw;
1803                 }
1804                 else {
1805                     log.crit("unable to load optional %s extension library %s: %s", label, path.c_str(), e.what());
1806                 }
1807             }
1808             exts = XMLHelper::getNextSiblingElement(exts, Library);
1809         }
1810     }
1811 }
1812
1813 void XMLConfigImpl::doListener(const DOMElement* e, XMLConfig* conf, Category& log)
1814 {
1815 #ifdef WIN32
1816     string plugtype(TCP_LISTENER_SERVICE);
1817 #else
1818     string plugtype(UNIX_LISTENER_SERVICE);
1819 #endif
1820     DOMElement* child = XMLHelper::getFirstChildElement(e, UnixListener);
1821     if (child)
1822         plugtype = UNIX_LISTENER_SERVICE;
1823     else {
1824         child = XMLHelper::getFirstChildElement(e, TCPListener);
1825         if (child)
1826             plugtype = TCP_LISTENER_SERVICE;
1827         else {
1828             child = XMLHelper::getFirstChildElement(e, Listener);
1829             if (child) {
1830                 auto_ptr_char type(child->getAttributeNS(nullptr, _type));
1831                 if (type.get() && *type.get())
1832                     plugtype = type.get();
1833             }
1834         }
1835     }
1836
1837     log.info("building ListenerService of type %s...", plugtype.c_str());
1838     conf->m_listener.reset(SPConfig::getConfig().ListenerServiceManager.newPlugin(plugtype.c_str(), child));
1839 }
1840
1841 void XMLConfigImpl::doCaching(const DOMElement* e, XMLConfig* conf, Category& log)
1842 {
1843     SPConfig& spConf = SPConfig::getConfig();
1844 #ifndef SHIBSP_LITE
1845     SAMLConfig& samlConf = SAMLConfig::getConfig();
1846 #endif
1847
1848     DOMElement* child;
1849 #ifndef SHIBSP_LITE
1850     if (spConf.isEnabled(SPConfig::OutOfProcess)) {
1851         XMLToolingConfig& xmlConf = XMLToolingConfig::getConfig();
1852         // First build any StorageServices.
1853         child = XMLHelper::getFirstChildElement(e, _StorageService);
1854         while (child) {
1855             string id(XMLHelper::getAttrString(child, nullptr, _id));
1856             string t(XMLHelper::getAttrString(child, nullptr, _type));
1857             if (!t.empty()) {
1858                 try {
1859                     log.info("building StorageService (%s) of type %s...", id.c_str(), t.c_str());
1860                     conf->m_storage[id] = boost::shared_ptr<StorageService>(xmlConf.StorageServiceManager.newPlugin(t.c_str(), child));
1861                 }
1862                 catch (std::exception& ex) {
1863                     log.crit("failed to instantiate StorageService (%s): %s", id.c_str(), ex.what());
1864                 }
1865             }
1866             child = XMLHelper::getNextSiblingElement(child, _StorageService);
1867         }
1868
1869         if (conf->m_storage.empty()) {
1870             log.info("no StorageService plugin(s) installed, using (mem) in-memory instance");
1871             conf->m_storage["mem"] = boost::shared_ptr<StorageService>(xmlConf.StorageServiceManager.newPlugin(MEMORY_STORAGE_SERVICE, nullptr));
1872         }
1873
1874         // Replay cache.
1875         StorageService* replaySS = nullptr;
1876         child = XMLHelper::getFirstChildElement(e, _ReplayCache);
1877         if (child) {
1878             string ssid(XMLHelper::getAttrString(child, nullptr, _StorageService));
1879             if (!ssid.empty()) {
1880                 if (conf->m_storage.count(ssid)) {
1881                     log.info("building ReplayCache on top of StorageService (%s)...", ssid.c_str());
1882                     replaySS = conf->m_storage[ssid].get();
1883                 }
1884                 else {
1885                     log.error("unable to locate StorageService (%s), using arbitrary instance for ReplayCache", ssid.c_str());
1886                     replaySS = conf->m_storage.begin()->second.get();
1887                 }
1888             }
1889             else {
1890                 log.info("no StorageService specified for ReplayCache, using arbitrary instance");
1891                 replaySS = conf->m_storage.begin()->second.get();
1892             }
1893         }
1894         else {
1895             log.info("no ReplayCache specified, using arbitrary StorageService instance");
1896             replaySS = conf->m_storage.begin()->second.get();
1897         }
1898         xmlConf.setReplayCache(new ReplayCache(replaySS));
1899
1900         // ArtifactMap
1901         child = XMLHelper::getFirstChildElement(e, _ArtifactMap);
1902         if (child) {
1903             string ssid(XMLHelper::getAttrString(child, nullptr, _StorageService));
1904             if (!ssid.empty()) {
1905                 if (conf->m_storage.count(ssid)) {
1906                     log.info("building ArtifactMap on top of StorageService (%s)...", ssid.c_str());
1907                     samlConf.setArtifactMap(new ArtifactMap(child, conf->m_storage[ssid].get()));
1908                 }
1909                 else {
1910                     log.error("unable to locate StorageService (%s), using in-memory ArtifactMap", ssid.c_str());
1911                     samlConf.setArtifactMap(new ArtifactMap(child));
1912                 }
1913             }
1914             else {
1915                 log.info("no StorageService specified, using in-memory ArtifactMap");
1916                 samlConf.setArtifactMap(new ArtifactMap(child));
1917             }
1918         }
1919         else {
1920             log.info("no ArtifactMap specified, building in-memory ArtifactMap...");
1921             samlConf.setArtifactMap(new ArtifactMap(child));
1922         }
1923     }   // end of out of process caching components
1924 #endif
1925
1926     child = XMLHelper::getFirstChildElement(e, _SessionCache);
1927     if (child) {
1928         string t(XMLHelper::getAttrString(child, nullptr, _type));
1929         if (!t.empty()) {
1930             log.info("building SessionCache of type %s...", t.c_str());
1931             conf->m_sessionCache.reset(spConf.SessionCacheManager.newPlugin(t.c_str(), child));
1932         }
1933     }
1934     if (!conf->m_sessionCache) {
1935         log.info("no SessionCache specified, using StorageService-backed instance");
1936         conf->m_sessionCache.reset(spConf.SessionCacheManager.newPlugin(STORAGESERVICE_SESSION_CACHE, nullptr));
1937     }
1938 }
1939
1940 XMLConfigImpl::XMLConfigImpl(const DOMElement* e, bool first, XMLConfig* outer, Category& log) : m_document(nullptr)
1941 {
1942 #ifdef _DEBUG
1943     xmltooling::NDC ndc("XMLConfigImpl");
1944 #endif
1945     SPConfig& conf=SPConfig::getConfig();
1946     XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
1947     const DOMElement* SHAR=XMLHelper::getFirstChildElement(e, OutOfProcess);
1948     const DOMElement* SHIRE=XMLHelper::getFirstChildElement(e, InProcess);
1949
1950     // Initialize logging manually in order to redirect log messages as soon as possible.
1951     // If no explicit config is supplied, we now assume the caller has done this, so that
1952     // setuid processes can potentially do this as root.
1953     if (conf.isEnabled(SPConfig::Logging)) {
1954         string logconf;
1955         if (conf.isEnabled(SPConfig::OutOfProcess))
1956             logconf = XMLHelper::getAttrString(SHAR, nullptr, logger);
1957         else if (conf.isEnabled(SPConfig::InProcess))
1958             logconf = XMLHelper::getAttrString(SHIRE, nullptr, logger);
1959         if (logconf.empty())
1960             logconf = XMLHelper::getAttrString(e, nullptr, logger);
1961         if (!logconf.empty()) {
1962             log.debug("loading new logging configuration from (%s), check log destination for status of configuration", logconf.c_str());
1963             if (!XMLToolingConfig::getConfig().log_config(logconf.c_str()))
1964                 log.crit("failed to load new logging configuration from (%s)", logconf.c_str());
1965         }
1966
1967 #ifndef SHIBSP_LITE
1968         m_tranLog.reset(
1969             new TransactionLog(
1970                 XMLHelper::getAttrString(SHAR, nullptr, tranLogFormat).c_str(),
1971                 XMLHelper::getAttrString(SHAR, nullptr, tranLogFiller).c_str()
1972                 )
1973             );
1974 #endif
1975     }
1976
1977     // Re-log library versions now that logging is set up.
1978     log.info("Shibboleth SP Version %s", PACKAGE_VERSION);
1979 #ifndef SHIBSP_LITE
1980     log.info(
1981         "Library versions: %s %s, Xerces-C %s, XML-Security-C %s, XMLTooling-C %s, OpenSAML-C %s, Shibboleth %s",
1982 # if defined(LOG4SHIB_VERSION)
1983     "log4shib", LOG4SHIB_VERSION,
1984 # elif defined(LOG4CPP_VERSION)
1985     "log4cpp", LOG4CPP_VERSION,
1986 # else
1987     "", "",
1988 # endif
1989         XERCES_FULLVERSIONDOT, XSEC_FULLVERSIONDOT, gXMLToolingDotVersionStr, gOpenSAMLDotVersionStr, gShibSPDotVersionStr
1990         );
1991 #else
1992     log.info(
1993         "Library versions: %s %s, Xerces-C %s, XMLTooling-C %s, Shibboleth %s",
1994 # if defined(LOG4SHIB_VERSION)
1995     "log4shib", LOG4SHIB_VERSION,
1996 # elif defined(LOG4CPP_VERSION)
1997     "log4cpp", LOG4CPP_VERSION,
1998 # else
1999     "", "",
2000 # endif
2001         XERCES_FULLVERSIONDOT, gXMLToolingDotVersionStr, gShibSPDotVersionStr
2002         );
2003 #endif
2004
2005     // First load any property sets.
2006     load(e, nullptr, this);
2007
2008     DOMElement* child;
2009
2010     // Much of the processing can only occur on the first instantiation.
2011     if (first) {
2012         // Set clock skew.
2013         pair<bool,unsigned int> skew=getUnsignedInt("clockSkew");
2014         if (skew.first)
2015             xmlConf.clock_skew_secs=min(skew.second,(60*60*24*7*28));
2016
2017         pair<bool,const char*> unsafe = getString("unsafeChars");
2018         if (unsafe.first)
2019             TemplateEngine::unsafe_chars = unsafe.second;
2020
2021         unsafe = getString("allowedSchemes");
2022         if (unsafe.first) {
2023             HTTPResponse::getAllowedSchemes().clear();
2024             string schemes(unsafe.second);
2025             split(HTTPResponse::getAllowedSchemes(), schemes, is_space(), algorithm::token_compress_on);
2026         }
2027
2028         // Default language handling.
2029         pair<bool,bool> langFromClient = getBool("langFromClient");
2030         pair<bool,const XMLCh*> langPriority = getXMLString("langPriority");
2031         GenericRequest::setLangDefaults(!langFromClient.first || langFromClient.second, langPriority.second);
2032
2033 #ifndef SHIBSP_LITE
2034         langPriority = getXMLString("contactPriority");
2035         if (langPriority.first)
2036             SAMLConfig::getConfig().setContactPriority(langPriority.second);
2037 #endif
2038
2039         // Extensions
2040         doExtensions(e, "global", log);
2041         if (conf.isEnabled(SPConfig::OutOfProcess))
2042             doExtensions(SHAR, "out of process", log);
2043
2044         if (conf.isEnabled(SPConfig::InProcess))
2045             doExtensions(SHIRE, "in process", log);
2046
2047         // Instantiate the ListenerService and SessionCache objects.
2048         if (conf.isEnabled(SPConfig::Listener))
2049             doListener(e, outer, log);
2050
2051 #ifndef SHIBSP_LITE
2052         if (outer->m_listener && conf.isEnabled(SPConfig::OutOfProcess) && !conf.isEnabled(SPConfig::InProcess)) {
2053             outer->m_listener->regListener("set::RelayState", outer);
2054             outer->m_listener->regListener("get::RelayState", outer);
2055             outer->m_listener->regListener("set::PostData", outer);
2056             outer->m_listener->regListener("get::PostData", outer);
2057         }
2058 #endif
2059         if (conf.isEnabled(SPConfig::Caching))
2060             doCaching(e, outer, log);
2061     } // end of first-time-only stuff
2062
2063     // Back to the fully dynamic stuff...next up is the RequestMapper.
2064     if (conf.isEnabled(SPConfig::RequestMapping)) {
2065         if (child = XMLHelper::getFirstChildElement(e, _RequestMapper)) {
2066             string t(XMLHelper::getAttrString(child, nullptr, _type));
2067             if (!t.empty()) {
2068                 log.info("building RequestMapper of type %s...", t.c_str());
2069                 m_requestMapper.reset(conf.RequestMapperManager.newPlugin(t.c_str(), child));
2070             }
2071         }
2072         if (!m_requestMapper) {
2073             log.info("no RequestMapper specified, using 'Native' plugin with empty/default map");
2074             child = e->getOwnerDocument()->createElementNS(nullptr, _RequestMapper);
2075             DOMElement* mapperDummy = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS, RequestMap);
2076             mapperDummy->setAttributeNS(nullptr, applicationId, _default);
2077             child->appendChild(mapperDummy);
2078             m_requestMapper.reset(conf.RequestMapperManager.newPlugin(NATIVE_REQUEST_MAPPER, child));
2079         }
2080     }
2081
2082 #ifndef SHIBSP_LITE
2083     // Load security policies.
2084     if (child = XMLHelper::getLastChildElement(e, _SecurityPolicyProvider)) {
2085         string t(XMLHelper::getAttrString(child, nullptr, _type));
2086         if (!t.empty()) {
2087             log.info("building SecurityPolicyProvider of type %s...", t.c_str());
2088             m_policy.reset(conf.SecurityPolicyProviderManager.newPlugin(t.c_str(), child));
2089         }
2090         else {
2091             throw ConfigurationException("can't build SecurityPolicyProvider, no type specified");
2092         }
2093     }
2094     else if (child = XMLHelper::getLastChildElement(e, SecurityPolicies)) {
2095         // For backward compatibility, wrap in a plugin element.
2096         DOMElement* polwrapper = e->getOwnerDocument()->createElementNS(nullptr, _SecurityPolicyProvider);
2097         polwrapper->appendChild(child);
2098         log.warn("deprecated/legacy SecurityPolicy configuration, consider externalizing with <SecurityPolicyProvider>");
2099         m_policy.reset(conf.SecurityPolicyProviderManager.newPlugin(XML_SECURITYPOLICY_PROVIDER, polwrapper));
2100     }
2101     else {
2102         log.fatal("can't build SecurityPolicyProvider, missing conf:SecurityPolicyProvider element?");
2103         throw ConfigurationException("Can't build SecurityPolicyProvider, missing conf:SecurityPolicyProvider element?");
2104     }
2105
2106     if (first) {
2107         if (!m_policy->getAlgorithmWhitelist().empty()) {
2108 #ifdef SHIBSP_XMLSEC_WHITELISTING
2109             for (vector<xstring>::const_iterator white = m_policy->getAlgorithmWhitelist().begin();
2110                     white != m_policy->getAlgorithmWhitelist().end(); ++white) {
2111                 XSECPlatformUtils::whitelistAlgorithm(white->c_str());
2112                 auto_ptr_char whitelog(white->c_str());
2113                 log.info("explicitly whitelisting security algorithm (%s)", whitelog.get());
2114             }
2115 #else
2116             log.crit("XML-Security-C library prior to 1.6.0 does not support algorithm white/blacklists");
2117 #endif
2118         }
2119         else if (!m_policy->getDefaultAlgorithmBlacklist().empty() || !m_policy->getAlgorithmBlacklist().empty()) {
2120 #ifdef SHIBSP_XMLSEC_WHITELISTING
2121             for (vector<xstring>::const_iterator black = m_policy->getDefaultAlgorithmBlacklist().begin();
2122                     black != m_policy->getDefaultAlgorithmBlacklist().end(); ++black) {
2123                 XSECPlatformUtils::blacklistAlgorithm(black->c_str());
2124                 auto_ptr_char blacklog(black->c_str());
2125                 log.info("automatically blacklisting security algorithm (%s)", blacklog.get());
2126             }
2127             for (vector<xstring>::const_iterator black = m_policy->getAlgorithmBlacklist().begin();
2128                     black != m_policy->getAlgorithmBlacklist().end(); ++black) {
2129                 XSECPlatformUtils::blacklistAlgorithm(black->c_str());
2130                 auto_ptr_char blacklog(black->c_str());
2131                 log.info("explicitly blacklisting security algorithm (%s)", blacklog.get());
2132             }
2133 #else
2134             log.crit("XML-Security-C library prior to 1.6.0 does not support algorithm white/blacklists");
2135 #endif
2136         }
2137     }
2138
2139     // Process TransportOption elements.
2140     child = XMLHelper::getLastChildElement(e, TransportOption);
2141     while (child) {
2142         if (child->hasChildNodes()) {
2143             string provider(XMLHelper::getAttrString(child, nullptr, _provider));
2144             string option(XMLHelper::getAttrString(child, nullptr, _option));
2145             auto_ptr_char value(child->getFirstChild()->getNodeValue());
2146             if (!provider.empty() && !option.empty() && value.get() && *value.get()) {
2147                 m_transportOptions.push_back(make_tuple(provider, option, string(value.get())));
2148             }
2149         }
2150         child = XMLHelper::getPreviousSiblingElement(child, TransportOption);
2151     }
2152 #endif
2153
2154     scoped_ptr<ProtocolProvider> pp;
2155     if (conf.isEnabled(SPConfig::Handlers)) {
2156         if (child = XMLHelper::getLastChildElement(e, _ProtocolProvider)) {
2157             string t(XMLHelper::getAttrString(child, nullptr, _type));
2158             if (!t.empty()) {
2159                 log.info("building ProtocolProvider of type %s...", t.c_str());
2160                 pp.reset(conf.ProtocolProviderManager.newPlugin(t.c_str(), child));
2161             }
2162         }
2163     }
2164     Locker pplocker(pp.get());
2165
2166     // Load the default application.
2167     child = XMLHelper::getLastChildElement(e, ApplicationDefaults);
2168     if (!child) {
2169         log.fatal("can't build default Application object, missing conf:ApplicationDefaults element?");
2170         throw ConfigurationException("can't build default Application object, missing conf:ApplicationDefaults element?");
2171     }
2172     boost::shared_ptr<XMLApplication> defapp(new XMLApplication(outer, pp.get(), child));
2173     m_appmap[defapp->getId()] = defapp;
2174
2175     // Load any overrides.
2176     child = XMLHelper::getFirstChildElement(child, ApplicationOverride);
2177     while (child) {
2178         boost::shared_ptr<XMLApplication> iapp(new XMLApplication(outer, pp.get(), child, defapp.get()));
2179         if (m_appmap.count(iapp->getId()))
2180             log.crit("found conf:ApplicationOverride element with duplicate id attribute (%s), skipping it", iapp->getId());
2181         else
2182             m_appmap[iapp->getId()] = iapp;
2183
2184         child = XMLHelper::getNextSiblingElement(child, ApplicationOverride);
2185     }
2186
2187     // Check for extra AuthTypes to recognize.
2188     if (conf.isEnabled(SPConfig::InProcess)) {
2189         const PropertySet* inprocs = getPropertySet("InProcess");
2190         if (inprocs) {
2191             pair<bool,const char*> extraAuthTypes = inprocs->getString("extraAuthTypes");
2192             if (extraAuthTypes.first) {
2193                 string types(extraAuthTypes.second);
2194                 split(outer->m_authTypes, types, is_space(), algorithm::token_compress_on);
2195                 outer->m_authTypes.insert("shibboleth");
2196             }
2197         }
2198     }
2199 }
2200
2201 #ifndef SHIBSP_LITE
2202 void XMLConfig::receive(DDF& in, ostream& out)
2203 {
2204     if (!strcmp(in.name(), "get::RelayState")) {
2205         const char* id = in["id"].string();
2206         const char* key = in["key"].string();
2207         if (!id || !key)
2208             throw ListenerException("Required parameters missing for RelayState recovery.");
2209
2210         string relayState;
2211         StorageService* storage = getStorageService(id);
2212         if (storage) {
2213             if (storage->readString("RelayState",key,&relayState)>0) {
2214                 if (in["clear"].integer())
2215                     storage->deleteString("RelayState",key);
2216             }
2217             else if (storage->readText("RelayState",key,&relayState)>0) {
2218                 if (in["clear"].integer())
2219                     storage->deleteText("RelayState",key);
2220             }
2221         }
2222         else {
2223             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
2224                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
2225                 );
2226         }
2227
2228         // Repack for return to caller.
2229         DDF ret=DDF(nullptr).unsafe_string(relayState.c_str());
2230         DDFJanitor jret(ret);
2231         out << ret;
2232     }
2233     else if (!strcmp(in.name(), "set::RelayState")) {
2234         const char* id = in["id"].string();
2235         const char* value = in["value"].string();
2236         if (!id || !value)
2237             throw ListenerException("Required parameters missing for RelayState creation.");
2238
2239         string rsKey;
2240         StorageService* storage = getStorageService(id);
2241         if (storage) {
2242             SAMLConfig::getConfig().generateRandomBytes(rsKey,32);
2243             rsKey = SAMLArtifact::toHex(rsKey);
2244             if (strlen(value) <= storage->getCapabilities().getStringSize())
2245                 storage->createString("RelayState", rsKey.c_str(), value, time(nullptr) + 600);
2246             else
2247                 storage->createText("RelayState", rsKey.c_str(), value, time(nullptr) + 600);
2248         }
2249         else {
2250             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
2251                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
2252                 );
2253         }
2254
2255         // Repack for return to caller.
2256         DDF ret=DDF(nullptr).string(rsKey.c_str());
2257         DDFJanitor jret(ret);
2258         out << ret;
2259     }
2260     else if (!strcmp(in.name(), "get::PostData")) {
2261         const char* id = in["id"].string();
2262         const char* key = in["key"].string();
2263         if (!id || !key)
2264             throw ListenerException("Required parameters missing for PostData recovery.");
2265
2266         string postData;
2267         StorageService* storage = getStorageService(id);
2268         if (storage) {
2269             if (storage->readText("PostData",key,&postData) > 0) {
2270                 storage->deleteText("PostData",key);
2271             }
2272         }
2273         else {
2274             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
2275                 "Storage-backed PostData with invalid StorageService ID (%s)", id
2276                 );
2277         }
2278         // If the data's empty, we'll send nothing back.
2279         // If not, we don't need to round trip it, just send back the serialized DDF list.
2280         if (postData.empty()) {
2281             DDF ret(nullptr);
2282             DDFJanitor jret(ret);
2283             out << ret;
2284         }
2285         else {
2286             out << postData;
2287         }
2288     }
2289     else if (!strcmp(in.name(), "set::PostData")) {
2290         const char* id = in["id"].string();
2291         if (!id || !in["parameters"].islist())
2292             throw ListenerException("Required parameters missing for PostData creation.");
2293
2294         string rsKey;
2295         StorageService* storage = getStorageService(id);
2296         if (storage) {
2297             SAMLConfig::getConfig().generateRandomBytes(rsKey,32);
2298             rsKey = SAMLArtifact::toHex(rsKey);
2299             ostringstream params;
2300             params << in["parameters"];
2301             storage->createText("PostData", rsKey.c_str(), params.str().c_str(), time(nullptr) + 600);
2302         }
2303         else {
2304             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
2305                 "Storage-backed PostData with invalid StorageService ID (%s)", id
2306                 );
2307         }
2308
2309         // Repack for return to caller.
2310         DDF ret=DDF(nullptr).string(rsKey.c_str());
2311         DDFJanitor jret(ret);
2312         out << ret;
2313     }
2314 }
2315 #endif
2316
2317 pair<bool,DOMElement*> XMLConfig::background_load()
2318 {
2319     // Load from source using base class.
2320     pair<bool,DOMElement*> raw = ReloadableXMLFile::load();
2321
2322     // If we own it, wrap it.
2323     XercesJanitor<DOMDocument> docjanitor(raw.first ? raw.second->getOwnerDocument() : nullptr);
2324
2325     scoped_ptr<XMLConfigImpl> impl(new XMLConfigImpl(raw.second, (m_impl==nullptr), this, m_log));
2326
2327     // If we held the document, transfer it to the impl. If we didn't, it's a no-op.
2328     impl->setDocument(docjanitor.release());
2329
2330     // Perform the swap inside a lock.
2331     if (m_lock)
2332         m_lock->wrlock();
2333     SharedLock locker(m_lock, false);
2334     m_impl.swap(impl);
2335
2336     return make_pair(false,(DOMElement*)nullptr);
2337 }