Merge session cache implementations.
[shibboleth/cpp-sp.git] / shibsp / impl / XMLServiceProvider.cpp
1 /*
2  *  Copyright 2001-2007 Internet2
3  * 
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 /**
18  * XMLServiceProvider.cpp
19  *
20  * XML-based SP configuration and mgmt
21  */
22
23 #include "internal.h"
24 #include "exceptions.h"
25 #include "AccessControl.h"
26 #include "Application.h"
27 #include "RequestMapper.h"
28 #include "ServiceProvider.h"
29 #include "SessionCache.h"
30 #include "SPConfig.h"
31 #include "handler/SessionInitiator.h"
32 #include "remoting/ListenerService.h"
33 #include "util/DOMPropertySet.h"
34 #include "util/SPConstants.h"
35
36 #if defined(XMLTOOLING_LOG4SHIB)
37 # include <log4shib/PropertyConfigurator.hh>
38 #elif defined(XMLTOOLING_LOG4CPP)
39 # include <log4cpp/PropertyConfigurator.hh>
40 #else
41 # error "Supported logging library not available."
42 #endif
43 #include <xercesc/util/XMLUniDefs.hpp>
44 #include <xmltooling/XMLToolingConfig.h>
45 #include <xmltooling/util/NDC.h>
46 #include <xmltooling/util/ReloadableXMLFile.h>
47 #include <xmltooling/util/XMLHelper.h>
48
49 #ifndef SHIBSP_LITE
50 # include "TransactionLog.h"
51 # include "attribute/filtering/AttributeFilter.h"
52 # include "attribute/resolver/AttributeExtractor.h"
53 # include "attribute/resolver/AttributeResolver.h"
54 # include "security/PKIXTrustEngine.h"
55 # include <saml/SAMLConfig.h>
56 # include <saml/binding/ArtifactMap.h>
57 # include <saml/binding/SAMLArtifact.h>
58 # include <saml/saml1/core/Assertions.h>
59 # include <saml/saml2/binding/SAML2ArtifactType0004.h>
60 # include <saml/saml2/metadata/ChainingMetadataProvider.h>
61 # include <xmltooling/security/ChainingTrustEngine.h>
62 # include <xmltooling/util/ReplayCache.h>
63 using namespace opensaml::saml2;
64 using namespace opensaml::saml2p;
65 using namespace opensaml::saml2md;
66 using namespace opensaml;
67 #endif
68
69 using namespace shibsp;
70 using namespace xmltooling;
71 using namespace std;
72
73 namespace {
74
75 #if defined (_MSC_VER)
76     #pragma warning( push )
77     #pragma warning( disable : 4250 )
78 #endif
79
80     static vector<const Handler*> g_noHandlers;
81
82     // Application configuration wrapper
83     class SHIBSP_DLLLOCAL XMLApplication : public Application, public Remoted, public DOMPropertySet, public DOMNodeFilter
84     {
85     public:
86         XMLApplication(const ServiceProvider*, const DOMElement* e, const XMLApplication* base=NULL);
87         ~XMLApplication() { cleanup(); }
88     
89         const char* getHash() const {return m_hash.c_str();}
90
91 #ifndef SHIBSP_LITE
92         SAMLArtifact* generateSAML1Artifact(const EntityDescriptor* relyingParty) const {
93             throw ConfigurationException("No support for SAML 1.x artifact generation.");
94         }
95         SAML2Artifact* generateSAML2Artifact(const EntityDescriptor* relyingParty) const {
96             pair<bool,int> index = make_pair(false,0);
97             const PropertySet* props = getRelyingParty(relyingParty);
98             if (props)
99                 index = getInt("artifactEndpointIndex");
100             if (!index.first)
101                 index = getArtifactEndpointIndex();
102             return new SAML2ArtifactType0004(SAMLConfig::getConfig().hashSHA1(getString("entityID").second),index.first ? index.second : 1);
103         }
104
105         MetadataProvider* getMetadataProvider(bool required=true) const {
106             if (required && !m_base && !m_metadata)
107                 throw ConfigurationException("No MetadataProvider available.");
108             return (!m_metadata && m_base) ? m_base->getMetadataProvider() : m_metadata;
109         }
110         TrustEngine* getTrustEngine(bool required=true) const {
111             if (required && !m_base && !m_trust)
112                 throw ConfigurationException("No TrustEngine available.");
113             return (!m_trust && m_base) ? m_base->getTrustEngine() : m_trust;
114         }
115         AttributeExtractor* getAttributeExtractor() const {
116             return (!m_attrExtractor && m_base) ? m_base->getAttributeExtractor() : m_attrExtractor;
117         }
118         AttributeFilter* getAttributeFilter() const {
119             return (!m_attrFilter && m_base) ? m_base->getAttributeFilter() : m_attrFilter;
120         }
121         AttributeResolver* getAttributeResolver() const {
122             return (!m_attrResolver && m_base) ? m_base->getAttributeResolver() : m_attrResolver;
123         }
124         CredentialResolver* getCredentialResolver() const {
125             return (!m_credResolver && m_base) ? m_base->getCredentialResolver() : m_credResolver;
126         }
127         const PropertySet* getRelyingParty(const EntityDescriptor* provider) const;
128         const vector<const XMLCh*>& getAudiences() const {
129             return (m_audiences.empty() && m_base) ? m_base->getAudiences() : m_audiences;
130         }
131 #endif
132         string getNotificationURL(const char* resource, bool front, unsigned int index) const;
133
134         const set<string>& getRemoteUserAttributeIds() const {
135             return (m_remoteUsers.empty() && m_base) ? m_base->getRemoteUserAttributeIds() : m_remoteUsers;
136         }
137
138         const SessionInitiator* getDefaultSessionInitiator() const;
139         const SessionInitiator* getSessionInitiatorById(const char* id) const;
140         const Handler* getDefaultAssertionConsumerService() const;
141         const Handler* getAssertionConsumerServiceByIndex(unsigned short index) const;
142         const vector<const Handler*>& getAssertionConsumerServicesByBinding(const XMLCh* binding) const;
143         const Handler* getHandler(const char* path) const;
144         void getHandlers(vector<const Handler*>& handlers) const;
145
146         void receive(DDF& in, ostream& out) {
147             // Only current function is to return the headers to clear.
148             DDF header;
149             DDF ret=DDF(NULL).list();
150             DDFJanitor jret(ret);
151             for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i) {
152                 header = DDF(i->first.c_str()).string(i->second.c_str());
153                 ret.add(header);
154             }
155             out << ret;
156         }
157
158         // Provides filter to exclude special config elements.
159         short acceptNode(const DOMNode* node) const;
160     
161     private:
162         void cleanup();
163         const XMLApplication* m_base;
164         string m_hash;
165 #ifndef SHIBSP_LITE
166         MetadataProvider* m_metadata;
167         TrustEngine* m_trust;
168         AttributeExtractor* m_attrExtractor;
169         AttributeFilter* m_attrFilter;
170         AttributeResolver* m_attrResolver;
171         CredentialResolver* m_credResolver;
172         vector<const XMLCh*> m_audiences;
173
174         // RelyingParty properties
175         DOMPropertySet* m_partyDefault;
176 #ifdef HAVE_GOOD_STL
177         map<xstring,PropertySet*> m_partyMap;
178 #else
179         map<const XMLCh*,PropertySet*> m_partyMap;
180 #endif
181 #endif
182         set<string> m_remoteUsers;
183         vector<string> m_frontLogout,m_backLogout;
184
185         // manage handler objects
186         vector<Handler*> m_handlers;
187
188         // maps location (path info) to applicable handlers
189         map<string,const Handler*> m_handlerMap;
190
191         // maps unique indexes to consumer services
192         map<unsigned int,const Handler*> m_acsIndexMap;
193         
194         // pointer to default consumer service
195         const Handler* m_acsDefault;
196
197         // maps binding strings to supporting consumer service(s)
198 #ifdef HAVE_GOOD_STL
199         typedef map<xstring,vector<const Handler*> > ACSBindingMap;
200 #else
201         typedef map<string,vector<const Handler*> > ACSBindingMap;
202 #endif
203         ACSBindingMap m_acsBindingMap;
204
205         // pointer to default session initiator
206         const SessionInitiator* m_sessionInitDefault;
207
208         // maps unique ID strings to session initiators
209         map<string,const SessionInitiator*> m_sessionInitMap;
210
211         // pointer to default artifact resolution service
212         const Handler* m_artifactResolutionDefault;
213
214         pair<bool,int> getArtifactEndpointIndex() const {
215             if (m_artifactResolutionDefault) return m_artifactResolutionDefault->getInt("index");
216             return m_base ? m_base->getArtifactEndpointIndex() : make_pair(false,0);
217         }
218     };
219
220     // Top-level configuration implementation
221     class SHIBSP_DLLLOCAL XMLConfig;
222     class SHIBSP_DLLLOCAL XMLConfigImpl : public DOMPropertySet, public DOMNodeFilter
223     {
224     public:
225         XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log);
226         ~XMLConfigImpl();
227         
228         RequestMapper* m_requestMapper;
229         map<string,Application*> m_appmap;
230 #ifndef SHIBSP_LITE
231         map< string,pair< PropertySet*,vector<const SecurityPolicyRule*> > > m_policyMap;
232         map< string, vector< pair< string, pair<string,string> > > > m_transportOptionMap;
233 #endif
234         
235         // Provides filter to exclude special config elements.
236         short acceptNode(const DOMNode* node) const;
237
238         void setDocument(DOMDocument* doc) {
239             m_document = doc;
240         }
241
242     private:
243         void doExtensions(const DOMElement* e, const char* label, Category& log);
244         void cleanup();
245
246         const XMLConfig* m_outer;
247         DOMDocument* m_document;
248     };
249
250     class SHIBSP_DLLLOCAL XMLConfig : public ServiceProvider, public ReloadableXMLFile
251 #ifndef SHIBSP_LITE
252         ,public Remoted
253 #endif
254     {
255     public:
256         XMLConfig(const DOMElement* e) : ReloadableXMLFile(e, Category::getInstance(SHIBSP_LOGCAT".Config")),
257             m_impl(NULL), m_listener(NULL), m_sessionCache(NULL)
258 #ifndef SHIBSP_LITE
259             , m_tranLog(NULL)
260 #endif
261         {
262         }
263         
264         void init() {
265             load();
266         }
267
268         ~XMLConfig() {
269             delete m_impl;
270             delete m_sessionCache;
271             delete m_listener;
272 #ifndef SHIBSP_LITE
273             delete m_tranLog;
274             SAMLConfig::getConfig().setArtifactMap(NULL);
275             XMLToolingConfig::getConfig().setReplayCache(NULL);
276             for_each(m_storage.begin(), m_storage.end(), cleanup_pair<string,StorageService>());
277 #endif
278         }
279
280         // PropertySet
281         const PropertySet* getParent() const { return m_impl->getParent(); }
282         void setParent(const PropertySet* parent) {return m_impl->setParent(parent);}
283         pair<bool,bool> getBool(const char* name, const char* ns=NULL) const {return m_impl->getBool(name,ns);}
284         pair<bool,const char*> getString(const char* name, const char* ns=NULL) const {return m_impl->getString(name,ns);}
285         pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const {return m_impl->getXMLString(name,ns);}
286         pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const {return m_impl->getUnsignedInt(name,ns);}
287         pair<bool,int> getInt(const char* name, const char* ns=NULL) const {return m_impl->getInt(name,ns);}
288         void getAll(map<string,const char*>& properties) const {return m_impl->getAll(properties);}
289         const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const {return m_impl->getPropertySet(name,ns);}
290         const DOMElement* getElement() const {return m_impl->getElement();}
291
292         // ServiceProvider
293 #ifndef SHIBSP_LITE
294         // Remoted
295         void receive(DDF& in, ostream& out);
296
297         TransactionLog* getTransactionLog() const {
298             if (m_tranLog)
299                 return m_tranLog;
300             throw ConfigurationException("No TransactionLog available.");
301         }
302
303         StorageService* getStorageService(const char* id) const {
304             if (id) {
305                 map<string,StorageService*>::const_iterator i=m_storage.find(id);
306                 if (i!=m_storage.end())
307                     return i->second;
308             }
309             return NULL;
310         }
311 #endif
312
313         ListenerService* getListenerService(bool required=true) const {
314             if (required && !m_listener)
315                 throw ConfigurationException("No ListenerService available.");
316             return m_listener;
317         }
318
319         SessionCache* getSessionCache(bool required=true) const {
320             if (required && !m_sessionCache)
321                 throw ConfigurationException("No SessionCache available.");
322             return m_sessionCache;
323         }
324
325         RequestMapper* getRequestMapper(bool required=true) const {
326             if (required && !m_impl->m_requestMapper)
327                 throw ConfigurationException("No RequestMapper available.");
328             return m_impl->m_requestMapper;
329         }
330
331         const Application* getApplication(const char* applicationId) const {
332             map<string,Application*>::const_iterator i=m_impl->m_appmap.find(applicationId);
333             return (i!=m_impl->m_appmap.end()) ? i->second : NULL;
334         }
335
336 #ifndef SHIBSP_LITE
337         const PropertySet* getPolicySettings(const char* id) const {
338             map<string,pair<PropertySet*,vector<const SecurityPolicyRule*> > >::const_iterator i = m_impl->m_policyMap.find(id);
339             if (i!=m_impl->m_policyMap.end())
340                 return i->second.first;
341             throw ConfigurationException("Security Policy ($1) not found, check <SecurityPolicies> element.", params(1,id));
342         }
343
344         const vector<const SecurityPolicyRule*>& getPolicyRules(const char* id) const {
345             map<string,pair<PropertySet*,vector<const SecurityPolicyRule*> > >::const_iterator i = m_impl->m_policyMap.find(id);
346             if (i!=m_impl->m_policyMap.end())
347                 return i->second.second;
348             throw ConfigurationException("Security Policy ($1) not found, check <SecurityPolicies> element.", params(1,id));
349         }
350
351         bool setTransportOptions(const char* id, SOAPTransport& transport) const {
352             bool ret = true;
353             map< string, vector< pair< string, pair<string,string> > > >::const_iterator p =
354                 m_impl->m_transportOptionMap.find(id);
355             if (p == m_impl->m_transportOptionMap.end())
356                 return ret;
357             vector< pair< string, pair<string,string> > >::const_iterator opt;
358             for (opt = p->second.begin(); opt != p->second.end(); ++opt) {
359                 if (!transport.setProviderOption(opt->first.c_str(), opt->second.first.c_str(), opt->second.second.c_str())) {
360                     m_log.error("failed to set SOAPTransport option (%s)", opt->second.first.c_str());
361                     ret = false;
362                 }
363             }
364             return ret;
365         }
366 #endif
367
368     protected:
369         pair<bool,DOMElement*> load();
370
371     private:
372         friend class XMLConfigImpl;
373         XMLConfigImpl* m_impl;
374         mutable ListenerService* m_listener;
375         mutable SessionCache* m_sessionCache;
376 #ifndef SHIBSP_LITE
377         mutable TransactionLog* m_tranLog;
378         mutable map<string,StorageService*> m_storage;
379 #endif
380     };
381
382 #if defined (_MSC_VER)
383     #pragma warning( pop )
384 #endif
385
386     static const XMLCh _Application[] =         UNICODE_LITERAL_11(A,p,p,l,i,c,a,t,i,o,n);
387     static const XMLCh Applications[] =         UNICODE_LITERAL_12(A,p,p,l,i,c,a,t,i,o,n,s);
388     static const XMLCh _ArtifactMap[] =         UNICODE_LITERAL_11(A,r,t,i,f,a,c,t,M,a,p);
389     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);
390     static const XMLCh _AttributeFilter[] =     UNICODE_LITERAL_15(A,t,t,r,i,b,u,t,e,F,i,l,t,e,r);
391     static const XMLCh _AttributeResolver[] =   UNICODE_LITERAL_17(A,t,t,r,i,b,u,t,e,R,e,s,o,l,v,e,r);
392     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);
393     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);
394     static const XMLCh _Audience[] =            UNICODE_LITERAL_8(A,u,d,i,e,n,c,e);
395     static const XMLCh Binding[] =              UNICODE_LITERAL_7(B,i,n,d,i,n,g);
396     static const XMLCh Channel[]=               UNICODE_LITERAL_7(C,h,a,n,n,e,l);
397     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);
398     static const XMLCh DefaultRelyingParty[] =  UNICODE_LITERAL_19(D,e,f,a,u,l,t,R,e,l,y,i,n,g,P,a,r,t,y);
399     static const XMLCh _Extensions[] =          UNICODE_LITERAL_10(E,x,t,e,n,s,i,o,n,s);
400     static const XMLCh _fatal[] =               UNICODE_LITERAL_5(f,a,t,a,l);
401     static const XMLCh _Handler[] =             UNICODE_LITERAL_7(H,a,n,d,l,e,r);
402     static const XMLCh _id[] =                  UNICODE_LITERAL_2(i,d);
403     static const XMLCh InProcess[] =            UNICODE_LITERAL_9(I,n,P,r,o,c,e,s,s);
404     static const XMLCh Library[] =              UNICODE_LITERAL_7(L,i,b,r,a,r,y);
405     static const XMLCh Listener[] =             UNICODE_LITERAL_8(L,i,s,t,e,n,e,r);
406     static const XMLCh Location[] =             UNICODE_LITERAL_8(L,o,c,a,t,i,o,n);
407     static const XMLCh logger[] =               UNICODE_LITERAL_6(l,o,g,g,e,r);
408     static const XMLCh _LogoutInitiator[] =     UNICODE_LITERAL_15(L,o,g,o,u,t,I,n,i,t,i,a,t,o,r);
409     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);
410     static const XMLCh _MetadataProvider[] =    UNICODE_LITERAL_16(M,e,t,a,d,a,t,a,P,r,o,v,i,d,e,r);
411     static const XMLCh Notify[] =               UNICODE_LITERAL_6(N,o,t,i,f,y);
412     static const XMLCh _option[] =              UNICODE_LITERAL_6(o,p,t,i,o,n);
413     static const XMLCh OutOfProcess[] =         UNICODE_LITERAL_12(O,u,t,O,f,P,r,o,c,e,s,s);
414     static const XMLCh _path[] =                UNICODE_LITERAL_4(p,a,t,h);
415     static const XMLCh Policy[] =               UNICODE_LITERAL_6(P,o,l,i,c,y);
416     static const XMLCh _provider[] =            UNICODE_LITERAL_8(p,r,o,v,i,d,e,r);
417     static const XMLCh RelyingParty[] =         UNICODE_LITERAL_12(R,e,l,y,i,n,g,P,a,r,t,y);
418     static const XMLCh _ReplayCache[] =         UNICODE_LITERAL_11(R,e,p,l,a,y,C,a,c,h,e);
419     static const XMLCh _RequestMapper[] =       UNICODE_LITERAL_13(R,e,q,u,e,s,t,M,a,p,p,e,r);
420     static const XMLCh Rule[] =                 UNICODE_LITERAL_4(R,u,l,e);
421     static const XMLCh SecurityPolicies[] =     UNICODE_LITERAL_16(S,e,c,u,r,i,t,y,P,o,l,i,c,i,e,s);
422     static const XMLCh _SessionCache[] =        UNICODE_LITERAL_12(S,e,s,s,i,o,n,C,a,c,h,e);
423     static const XMLCh _SessionInitiator[] =    UNICODE_LITERAL_16(S,e,s,s,i,o,n,I,n,i,t,i,a,t,o,r);
424     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);
425     static const XMLCh Site[] =                 UNICODE_LITERAL_4(S,i,t,e);
426     static const XMLCh _StorageService[] =      UNICODE_LITERAL_14(S,t,o,r,a,g,e,S,e,r,v,i,c,e);
427     static const XMLCh TCPListener[] =          UNICODE_LITERAL_11(T,C,P,L,i,s,t,e,n,e,r);
428     static const XMLCh TransportOption[] =      UNICODE_LITERAL_15(T,r,a,n,s,p,o,r,t,O,p,t,i,o,n);
429     static const XMLCh _TrustEngine[] =         UNICODE_LITERAL_11(T,r,u,s,t,E,n,g,i,n,e);
430     static const XMLCh _type[] =                UNICODE_LITERAL_4(t,y,p,e);
431     static const XMLCh UnixListener[] =         UNICODE_LITERAL_12(U,n,i,x,L,i,s,t,e,n,e,r);
432
433 #ifndef SHIBSP_LITE
434     class SHIBSP_DLLLOCAL PolicyNodeFilter : public DOMNodeFilter
435     {
436     public:
437         short acceptNode(const DOMNode* node) const {
438             return FILTER_REJECT;
439         }
440     };
441 #endif
442 };
443
444 namespace shibsp {
445     ServiceProvider* XMLServiceProviderFactory(const DOMElement* const & e)
446     {
447         return new XMLConfig(e);
448     }
449 };
450
451 XMLApplication::XMLApplication(
452     const ServiceProvider* sp,
453     const DOMElement* e,
454     const XMLApplication* base
455     ) : Application(sp), m_base(base),
456 #ifndef SHIBSP_LITE
457         m_metadata(NULL), m_trust(NULL),
458         m_attrExtractor(NULL), m_attrFilter(NULL), m_attrResolver(NULL),
459         m_credResolver(NULL), m_partyDefault(NULL),
460 #endif
461         m_acsDefault(NULL), m_sessionInitDefault(NULL), m_artifactResolutionDefault(NULL)
462 {
463 #ifdef _DEBUG
464     xmltooling::NDC ndc("XMLApplication");
465 #endif
466     Category& log=Category::getInstance(SHIBSP_LOGCAT".Application");
467
468     try {
469         // First load any property sets.
470         load(e,log,this);
471         if (base)
472             setParent(base);
473
474         SPConfig& conf=SPConfig::getConfig();
475 #ifndef SHIBSP_LITE
476         SAMLConfig& samlConf=SAMLConfig::getConfig();
477         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
478 #endif
479
480         // This used to be an actual hash, but now it's just a hex-encode to avoid xmlsec.
481         static char DIGITS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
482         string tohash=getId();
483         tohash+=getString("entityID").second;
484         for (const char* ch = tohash.c_str(); *ch; ++ch) {
485             m_hash += (DIGITS[((unsigned char)(0xF0 & *ch)) >> 4 ]);
486             m_hash += (DIGITS[0x0F & *ch]);
487         }
488
489         // Load attribute ID lists for REMOTE_USER and header clearing.
490         if (conf.isEnabled(SPConfig::InProcess)) {
491             pair<bool,const char*> attributes = getString("REMOTE_USER");
492             if (attributes.first) {
493                 char* dup = strdup(attributes.second);
494                 char* pos;
495                 char* start = dup;
496                 while (start && *start) {
497                     while (*start && isspace(*start))
498                         start++;
499                     if (!*start)
500                         break;
501                     pos = strchr(start,' ');
502                     if (pos)
503                         *pos=0;
504                     m_remoteUsers.insert(start);
505                     start = pos ? pos+1 : NULL;
506                 }
507                 free(dup);
508             }
509
510             attributes = getString("unsetHeaders");
511             if (attributes.first) {
512                 string transformedprefix("HTTP_");
513                 const char* pch;
514                 pair<bool,const char*> prefix = getString("metadataAttributePrefix");
515                 if (prefix.first) {
516                     pch = prefix.second;
517                     while (*pch) {
518                         transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
519                         pch++;
520                     }
521                 }
522                 char* dup = strdup(attributes.second);
523                 char* pos;
524                 char* start = dup;
525                 while (start && *start) {
526                     while (*start && isspace(*start))
527                         start++;
528                     if (!*start)
529                         break;
530                     pos = strchr(start,' ');
531                     if (pos)
532                         *pos=0;
533
534                     string transformed;
535                     pch = start;
536                     while (*pch) {
537                         transformed += (isalnum(*pch) ? toupper(*pch) : '_');
538                         pch++;
539                     }
540                     m_unsetHeaders.push_back(pair<string,string>(start,string("HTTP_") + transformed));
541                     if (prefix.first)
542                         m_unsetHeaders.push_back(pair<string,string>(string(prefix.second) + start, transformedprefix + transformed));
543                     start = pos ? pos+1 : NULL;
544                 }
545                 free(dup);
546                 m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
547             }
548         }
549
550         Handler* handler=NULL;
551         const PropertySet* sessions = getPropertySet("Sessions");
552
553         // Process assertion export handler.
554         pair<bool,const char*> location = sessions ? sessions->getString("exportLocation") : pair<bool,const char*>(false,NULL);
555         if (location.first) {
556             try {
557                 DOMElement* exportElement = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS,_Handler);
558                 exportElement->setAttributeNS(NULL,Location,sessions->getXMLString("exportLocation").second);
559                 pair<bool,const XMLCh*> exportACL = sessions->getXMLString("exportACL");
560                 if (exportACL.first) {
561                     static const XMLCh _acl[] = UNICODE_LITERAL_9(e,x,p,o,r,t,A,C,L);
562                     exportElement->setAttributeNS(NULL,_acl,exportACL.second);
563                 }
564                 handler = conf.HandlerManager.newPlugin(
565                     samlconstants::SAML20_BINDING_URI, pair<const DOMElement*,const char*>(exportElement, getId())
566                     );
567                 m_handlers.push_back(handler);
568
569                 // Insert into location map. If it contains the handlerURL, we skip past that part.
570                 const char* pch = strstr(location.second, sessions->getString("handlerURL").second);
571                 if (pch)
572                     location.second = pch + strlen(sessions->getString("handlerURL").second);
573                 if (*location.second == '/')
574                     m_handlerMap[location.second]=handler;
575                 else
576                     m_handlerMap[string("/") + location.second]=handler;
577             }
578             catch (exception& ex) {
579                 log.error("caught exception installing assertion lookup handler: %s", ex.what());
580             }
581         }
582
583         // Process other handlers.
584         bool hardACS=false, hardSessionInit=false, hardArt=false;
585         const DOMElement* child = sessions ? XMLHelper::getFirstChildElement(sessions->getElement()) : NULL;
586         while (child) {
587             try {
588                 // A handler is based on the Binding property in conjunction with the element name.
589                 // If it's an ACS or SI, also handle index/id mappings and defaulting.
590                 if (XMLString::equals(child->getLocalName(),_AssertionConsumerService)) {
591                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
592                     if (!bindprop.get() || !*(bindprop.get())) {
593                         log.warn("md:AssertionConsumerService element has no Binding attribute, skipping it...");
594                         child = XMLHelper::getNextSiblingElement(child);
595                         continue;
596                     }
597                     handler=conf.AssertionConsumerServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
598                     // Map by binding (may be > 1 per binding, e.g. SAML 1.0 vs 1.1)
599 #ifdef HAVE_GOOD_STL
600                     m_acsBindingMap[handler->getXMLString("Binding").second].push_back(handler);
601 #else
602                     m_acsBindingMap[handler->getString("Binding").second].push_back(handler);
603 #endif
604                     m_acsIndexMap[handler->getUnsignedInt("index").second]=handler;
605                     
606                     if (!hardACS) {
607                         pair<bool,bool> defprop=handler->getBool("isDefault");
608                         if (defprop.first) {
609                             if (defprop.second) {
610                                 hardACS=true;
611                                 m_acsDefault=handler;
612                             }
613                         }
614                         else if (!m_acsDefault)
615                             m_acsDefault=handler;
616                     }
617                 }
618                 else if (XMLString::equals(child->getLocalName(),_SessionInitiator)) {
619                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
620                     if (!type.get() || !*(type.get())) {
621                         log.warn("SessionInitiator element has no type attribute, skipping it...");
622                         child = XMLHelper::getNextSiblingElement(child);
623                         continue;
624                     }
625                     SessionInitiator* sihandler=conf.SessionInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
626                     handler=sihandler;
627                     pair<bool,const char*> si_id=handler->getString("id");
628                     if (si_id.first && si_id.second)
629                         m_sessionInitMap[si_id.second]=sihandler;
630                     if (!hardSessionInit) {
631                         pair<bool,bool> defprop=handler->getBool("isDefault");
632                         if (defprop.first) {
633                             if (defprop.second) {
634                                 hardSessionInit=true;
635                                 m_sessionInitDefault=sihandler;
636                             }
637                         }
638                         else if (!m_sessionInitDefault)
639                             m_sessionInitDefault=sihandler;
640                     }
641                 }
642                 else if (XMLString::equals(child->getLocalName(),_LogoutInitiator)) {
643                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
644                     if (!type.get() || !*(type.get())) {
645                         log.warn("LogoutInitiator element has no type attribute, skipping it...");
646                         child = XMLHelper::getNextSiblingElement(child);
647                         continue;
648                     }
649                     handler=conf.LogoutInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
650                 }
651                 else if (XMLString::equals(child->getLocalName(),_ArtifactResolutionService)) {
652                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
653                     if (!bindprop.get() || !*(bindprop.get())) {
654                         log.warn("md:ArtifactResolutionService element has no Binding attribute, skipping it...");
655                         child = XMLHelper::getNextSiblingElement(child);
656                         continue;
657                     }
658                     handler=conf.ArtifactResolutionServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
659                     
660                     if (!hardArt) {
661                         pair<bool,bool> defprop=handler->getBool("isDefault");
662                         if (defprop.first) {
663                             if (defprop.second) {
664                                 hardArt=true;
665                                 m_artifactResolutionDefault=handler;
666                             }
667                         }
668                         else if (!m_artifactResolutionDefault)
669                             m_artifactResolutionDefault=handler;
670                     }
671                 }
672                 else if (XMLString::equals(child->getLocalName(),_SingleLogoutService)) {
673                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
674                     if (!bindprop.get() || !*(bindprop.get())) {
675                         log.warn("md:SingleLogoutService element has no Binding attribute, skipping it...");
676                         child = XMLHelper::getNextSiblingElement(child);
677                         continue;
678                     }
679                     handler=conf.SingleLogoutServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
680                 }
681                 else if (XMLString::equals(child->getLocalName(),_ManageNameIDService)) {
682                     auto_ptr_char bindprop(child->getAttributeNS(NULL,Binding));
683                     if (!bindprop.get() || !*(bindprop.get())) {
684                         log.warn("md:ManageNameIDService element has no Binding attribute, skipping it...");
685                         child = XMLHelper::getNextSiblingElement(child);
686                         continue;
687                     }
688                     handler=conf.ManageNameIDServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
689                 }
690                 else {
691                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
692                     if (!type.get() || !*(type.get())) {
693                         log.warn("Handler element has no type attribute, skipping it...");
694                         child = XMLHelper::getNextSiblingElement(child);
695                         continue;
696                     }
697                     handler=conf.HandlerManager.newPlugin(type.get(),make_pair(child, getId()));
698                 }
699
700                 m_handlers.push_back(handler);
701
702                 // Insert into location map.
703                 location=handler->getString("Location");
704                 if (location.first && *location.second == '/')
705                     m_handlerMap[location.second]=handler;
706                 else if (location.first)
707                     m_handlerMap[string("/") + location.second]=handler;
708
709             }
710             catch (exception& ex) {
711                 log.error("caught exception processing handler element: %s", ex.what());
712             }
713             
714             child = XMLHelper::getNextSiblingElement(child);
715         }
716
717         // Notification.
718         DOMNodeList* nlist=e->getElementsByTagNameNS(shibspconstants::SHIB2SPCONFIG_NS,Notify);
719         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++) {
720             if (nlist->item(i)->getParentNode()->isSameNode(e)) {
721                 const XMLCh* channel = static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,Channel);
722                 auto_ptr_char loc(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(NULL,Location));
723                 if (loc.get() && *loc.get()) {
724                     if (channel && *channel == chLatin_f)
725                         m_frontLogout.push_back(loc.get());
726                     else
727                         m_backLogout.push_back(loc.get());
728                 }
729             }
730         }
731
732 #ifndef SHIBSP_LITE
733         nlist=e->getElementsByTagNameNS(samlconstants::SAML20_NS,Audience::LOCAL_NAME);
734         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++)
735             if (nlist->item(i)->getParentNode()->isSameNode(e) && nlist->item(i)->hasChildNodes())
736                 m_audiences.push_back(nlist->item(i)->getFirstChild()->getNodeValue());
737
738         // Always include our own entityID as an audience.
739         m_audiences.push_back(getXMLString("entityID").second);
740
741         if (conf.isEnabled(SPConfig::Metadata)) {
742             child = XMLHelper::getFirstChildElement(e,_MetadataProvider);
743             if (child) {
744                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
745                 log.info("building MetadataProvider of type %s...",type.get());
746                 try {
747                     auto_ptr<MetadataProvider> mp(samlConf.MetadataProviderManager.newPlugin(type.get(),child));
748                     mp->init();
749                     m_metadata = mp.release();
750                 }
751                 catch (exception& ex) {
752                     log.crit("error building/initializing MetadataProvider: %s", ex.what());
753                 }
754             }
755         }
756
757         if (conf.isEnabled(SPConfig::Trust)) {
758             child = XMLHelper::getFirstChildElement(e,_TrustEngine);
759             if (child) {
760                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
761                 log.info("building TrustEngine of type %s...",type.get());
762                 try {
763                     m_trust = xmlConf.TrustEngineManager.newPlugin(type.get(),child);
764                 }
765                 catch (exception& ex) {
766                     log.crit("error building TrustEngine: %s", ex.what());
767                 }
768             }
769         }
770
771         if (conf.isEnabled(SPConfig::AttributeResolution)) {
772             child = XMLHelper::getFirstChildElement(e,_AttributeExtractor);
773             if (child) {
774                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
775                 log.info("building AttributeExtractor of type %s...",type.get());
776                 try {
777                     m_attrExtractor = conf.AttributeExtractorManager.newPlugin(type.get(),child);
778                 }
779                 catch (exception& ex) {
780                     log.crit("error building AttributeExtractor: %s", ex.what());
781                 }
782             }
783
784             child = XMLHelper::getFirstChildElement(e,_AttributeFilter);
785             if (child) {
786                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
787                 log.info("building AttributeFilter of type %s...",type.get());
788                 try {
789                     m_attrFilter = conf.AttributeFilterManager.newPlugin(type.get(),child);
790                 }
791                 catch (exception& ex) {
792                     log.crit("error building AttributeFilter: %s", ex.what());
793                 }
794             }
795
796             child = XMLHelper::getFirstChildElement(e,_AttributeResolver);
797             if (child) {
798                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
799                 log.info("building AttributeResolver of type %s...",type.get());
800                 try {
801                     m_attrResolver = conf.AttributeResolverManager.newPlugin(type.get(),child);
802                 }
803                 catch (exception& ex) {
804                     log.crit("error building AttributeResolver: %s", ex.what());
805                 }
806             }
807
808             if (m_unsetHeaders.empty()) {
809                 vector<string> unsetHeaders;
810                 if (m_attrExtractor) {
811                     Locker extlock(m_attrExtractor);
812                     m_attrExtractor->getAttributeIds(unsetHeaders);
813                 }
814                 if (m_attrResolver) {
815                     Locker reslock(m_attrResolver);
816                     m_attrResolver->getAttributeIds(unsetHeaders);
817                 }
818                 if (unsetHeaders.empty()) {
819                     if (m_base)
820                         m_unsetHeaders.insert(m_unsetHeaders.end(), m_base->m_unsetHeaders.begin(), m_base->m_unsetHeaders.end());
821                     else
822                         m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
823                 }
824                 else {
825                     string transformedprefix("HTTP_");
826                     const char* pch;
827                     pair<bool,const char*> prefix = getString("metadataAttributePrefix");
828                     if (prefix.first) {
829                         pch = prefix.second;
830                         while (*pch) {
831                             transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
832                             pch++;
833                         }
834                     }
835                     for (vector<string>::const_iterator hdr = unsetHeaders.begin(); hdr!=unsetHeaders.end(); ++hdr) {
836                         string transformed;
837                         pch = hdr->c_str();
838                         while (*pch) {
839                             transformed += (isalnum(*pch) ? toupper(*pch) : '_');
840                             pch++;
841                         }
842                         m_unsetHeaders.push_back(pair<string,string>(*hdr, string("HTTP_") + transformed));
843                         if (prefix.first)
844                             m_unsetHeaders.push_back(pair<string,string>(string(prefix.second) + *hdr, transformedprefix + transformed));
845                     }
846                     m_unsetHeaders.push_back(pair<string,string>("Shib-Application-ID","HTTP_SHIB_APPLICATION_ID"));
847                 }
848             }
849         }
850
851         if (conf.isEnabled(SPConfig::Credentials)) {
852             child = XMLHelper::getFirstChildElement(e,_CredentialResolver);
853             if (child) {
854                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
855                 log.info("building CredentialResolver of type %s...",type.get());
856                 try {
857                     m_credResolver = xmlConf.CredentialResolverManager.newPlugin(type.get(),child);
858                 }
859                 catch (exception& ex) {
860                     log.crit("error building CredentialResolver: %s", ex.what());
861                 }
862             }
863         }
864
865         // Finally, load relying parties.
866         child = XMLHelper::getFirstChildElement(e,DefaultRelyingParty);
867         if (child) {
868             m_partyDefault=new DOMPropertySet();
869             m_partyDefault->load(child,log,this);
870             child = XMLHelper::getFirstChildElement(child,RelyingParty);
871             while (child) {
872                 auto_ptr<DOMPropertySet> rp(new DOMPropertySet());
873                 rp->load(child,log,this);
874                 rp->setParent(m_partyDefault);
875                 m_partyMap[child->getAttributeNS(NULL,saml2::Attribute::NAME_ATTRIB_NAME)]=rp.release();
876                 child = XMLHelper::getNextSiblingElement(child,RelyingParty);
877             }
878         }
879 #endif
880
881         // Out of process only, we register a listener endpoint.
882         if (!conf.isEnabled(SPConfig::InProcess)) {
883             ListenerService* listener = sp->getListenerService(false);
884             if (listener) {
885                 string addr=string(getId()) + "::getHeaders::Application";
886                 listener->regListener(addr.c_str(),this);
887             }
888             else
889                 log.info("no ListenerService available, Application remoting disabled");
890         }
891     }
892     catch (exception&) {
893         cleanup();
894         throw;
895     }
896 #ifndef _DEBUG
897     catch (...) {
898         cleanup();
899         throw;
900     }
901 #endif
902 }
903
904 void XMLApplication::cleanup()
905 {
906     ListenerService* listener=getServiceProvider().getListenerService(false);
907     if (listener && SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess) && !SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
908         string addr=string(getId()) + "::getHeaders::Application";
909         listener->unregListener(addr.c_str(),this);
910     }
911     for_each(m_handlers.begin(),m_handlers.end(),xmltooling::cleanup<Handler>());
912     m_handlers.clear();
913 #ifndef SHIBSP_LITE
914     delete m_partyDefault;
915     m_partyDefault = NULL;
916 #ifdef HAVE_GOOD_STL
917     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<xstring,PropertySet>());
918 #else
919     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<const XMLCh*,PropertySet>());
920 #endif
921     m_partyMap.clear();
922     delete m_credResolver;
923     m_credResolver = NULL;
924     delete m_attrResolver;
925     m_attrResolver = NULL;
926     delete m_attrFilter;
927     m_attrFilter = NULL;
928     delete m_attrExtractor;
929     m_attrExtractor = NULL;
930     delete m_trust;
931     m_trust = NULL;
932     delete m_metadata;
933     m_metadata = NULL;
934 #endif
935 }
936
937 short XMLApplication::acceptNode(const DOMNode* node) const
938 {
939     const XMLCh* name=node->getLocalName();
940     if (XMLString::equals(name,_Application) ||
941         XMLString::equals(name,_Audience) ||
942         XMLString::equals(name,Notify) ||
943         XMLString::equals(name,_Handler) ||
944         XMLString::equals(name,_AssertionConsumerService) ||
945         XMLString::equals(name,_ArtifactResolutionService) ||
946         XMLString::equals(name,_LogoutInitiator) ||
947         XMLString::equals(name,_ManageNameIDService) ||
948         XMLString::equals(name,_SessionInitiator) ||
949         XMLString::equals(name,_SingleLogoutService) ||
950         XMLString::equals(name,DefaultRelyingParty) ||
951         XMLString::equals(name,RelyingParty) ||
952         XMLString::equals(name,_MetadataProvider) ||
953         XMLString::equals(name,_TrustEngine) ||
954         XMLString::equals(name,_CredentialResolver) ||
955         XMLString::equals(name,_AttributeFilter) ||
956         XMLString::equals(name,_AttributeExtractor) ||
957         XMLString::equals(name,_AttributeResolver))
958         return FILTER_REJECT;
959
960     return FILTER_ACCEPT;
961 }
962
963 #ifndef SHIBSP_LITE
964
965 const PropertySet* XMLApplication::getRelyingParty(const EntityDescriptor* provider) const
966 {
967     if (!m_partyDefault && m_base)
968         return m_base->getRelyingParty(provider);
969     else if (!provider)
970         return m_partyDefault;
971         
972 #ifdef HAVE_GOOD_STL
973     map<xstring,PropertySet*>::const_iterator i=m_partyMap.find(provider->getEntityID());
974     if (i!=m_partyMap.end())
975         return i->second;
976     const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
977     while (group) {
978         if (group->getName()) {
979             i=m_partyMap.find(group->getName());
980             if (i!=m_partyMap.end())
981                 return i->second;
982         }
983         group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
984     }
985 #else
986     map<const XMLCh*,PropertySet*>::const_iterator i=m_partyMap.begin();
987     for (; i!=m_partyMap.end(); i++) {
988         if (XMLString::equals(i->first,provider->getEntityID()))
989             return i->second;
990         const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
991         while (group) {
992             if (XMLString::equals(i->first,group->getName()))
993                 return i->second;
994             group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
995         }
996     }
997 #endif
998     return m_partyDefault;
999 }
1000
1001 #endif
1002
1003 string XMLApplication::getNotificationURL(const char* resource, bool front, unsigned int index) const
1004 {
1005     const vector<string>& locs = front ? m_frontLogout : m_backLogout;
1006     if (locs.empty())
1007         return m_base ? m_base->getNotificationURL(resource, front, index) : string();
1008     else if (index >= locs.size())
1009         return string();
1010
1011 #ifdef HAVE_STRCASECMP
1012     if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
1013 #else
1014     if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
1015 #endif
1016         throw ConfigurationException("Request URL was not absolute.");
1017
1018     const char* handler=locs[index].c_str();
1019     
1020     // Should never happen...
1021     if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
1022         throw ConfigurationException(
1023             "Invalid Location property ($1) in Notify element for Application ($2)",
1024             params(2, handler ? handler : "null", getId())
1025             );
1026
1027     // The "Location" property can be in one of three formats:
1028     //
1029     // 1) a full URI:       http://host/foo/bar
1030     // 2) a hostless URI:   http:///foo/bar
1031     // 3) a relative path:  /foo/bar
1032     //
1033     // #  Protocol  Host        Path
1034     // 1  handler   handler     handler
1035     // 2  handler   resource    handler
1036     // 3  resource  resource    handler
1037
1038     const char* path = NULL;
1039
1040     // Decide whether to use the handler or the resource for the "protocol"
1041     const char* prot;
1042     if (*handler != '/') {
1043         prot = handler;
1044     }
1045     else {
1046         prot = resource;
1047         path = handler;
1048     }
1049
1050     // break apart the "protocol" string into protocol, host, and "the rest"
1051     const char* colon=strchr(prot,':');
1052     colon += 3;
1053     const char* slash=strchr(colon,'/');
1054     if (!path)
1055         path = slash;
1056
1057     // Compute the actual protocol and store.
1058     string notifyURL(prot, colon-prot);
1059
1060     // create the "host" from either the colon/slash or from the target string
1061     // If prot == handler then we're in either #1 or #2, else #3.
1062     // If slash == colon then we're in #2.
1063     if (prot != handler || slash == colon) {
1064         colon = strchr(resource, ':');
1065         colon += 3;      // Get past the ://
1066         slash = strchr(colon, '/');
1067     }
1068     string host(colon, (slash ? slash-colon : strlen(colon)));
1069
1070     // Build the URL
1071     notifyURL += host + path;
1072     return notifyURL;
1073 }
1074
1075 const SessionInitiator* XMLApplication::getDefaultSessionInitiator() const
1076 {
1077     if (m_sessionInitDefault) return m_sessionInitDefault;
1078     return m_base ? m_base->getDefaultSessionInitiator() : NULL;
1079 }
1080
1081 const SessionInitiator* XMLApplication::getSessionInitiatorById(const char* id) const
1082 {
1083     map<string,const SessionInitiator*>::const_iterator i=m_sessionInitMap.find(id);
1084     if (i!=m_sessionInitMap.end()) return i->second;
1085     return m_base ? m_base->getSessionInitiatorById(id) : NULL;
1086 }
1087
1088 const Handler* XMLApplication::getDefaultAssertionConsumerService() const
1089 {
1090     if (m_acsDefault) return m_acsDefault;
1091     return m_base ? m_base->getDefaultAssertionConsumerService() : NULL;
1092 }
1093
1094 const Handler* XMLApplication::getAssertionConsumerServiceByIndex(unsigned short index) const
1095 {
1096     map<unsigned int,const Handler*>::const_iterator i=m_acsIndexMap.find(index);
1097     if (i!=m_acsIndexMap.end()) return i->second;
1098     return m_base ? m_base->getAssertionConsumerServiceByIndex(index) : NULL;
1099 }
1100
1101 const vector<const Handler*>& XMLApplication::getAssertionConsumerServicesByBinding(const XMLCh* binding) const
1102 {
1103 #ifdef HAVE_GOOD_STL
1104     ACSBindingMap::const_iterator i=m_acsBindingMap.find(binding);
1105 #else
1106     auto_ptr_char temp(binding);
1107     ACSBindingMap::const_iterator i=m_acsBindingMap.find(temp.get());
1108 #endif
1109     if (i!=m_acsBindingMap.end())
1110         return i->second;
1111     return m_base ? m_base->getAssertionConsumerServicesByBinding(binding) : g_noHandlers;
1112 }
1113
1114 const Handler* XMLApplication::getHandler(const char* path) const
1115 {
1116     string wrap(path);
1117     map<string,const Handler*>::const_iterator i=m_handlerMap.find(wrap.substr(0,wrap.find('?')));
1118     if (i!=m_handlerMap.end())
1119         return i->second;
1120     return m_base ? m_base->getHandler(path) : NULL;
1121 }
1122
1123 void XMLApplication::getHandlers(vector<const Handler*>& handlers) const
1124 {
1125     handlers.insert(handlers.end(), m_handlers.begin(), m_handlers.end());
1126     if (m_base) {
1127         for (map<string,const Handler*>::const_iterator h = m_base->m_handlerMap.begin(); h != m_base->m_handlerMap.end(); ++h) {
1128             if (m_handlerMap.count(h->first) == 0)
1129                 handlers.push_back(h->second);
1130         }
1131     }
1132 }
1133
1134 short XMLConfigImpl::acceptNode(const DOMNode* node) const
1135 {
1136     if (!XMLString::equals(node->getNamespaceURI(),shibspconstants::SHIB2SPCONFIG_NS))
1137         return FILTER_ACCEPT;
1138     const XMLCh* name=node->getLocalName();
1139     if (XMLString::equals(name,Applications) ||
1140         XMLString::equals(name,_ArtifactMap) ||
1141         XMLString::equals(name,_Extensions) ||
1142         XMLString::equals(name,Listener) ||
1143         XMLString::equals(name,Policy) ||
1144         XMLString::equals(name,_RequestMapper) ||
1145         XMLString::equals(name,_ReplayCache) ||
1146         XMLString::equals(name,_SessionCache) ||
1147         XMLString::equals(name,Site) ||
1148         XMLString::equals(name,_StorageService) ||
1149         XMLString::equals(name,TCPListener) ||
1150         XMLString::equals(name,UnixListener))
1151         return FILTER_REJECT;
1152
1153     return FILTER_ACCEPT;
1154 }
1155
1156 void XMLConfigImpl::doExtensions(const DOMElement* e, const char* label, Category& log)
1157 {
1158     const DOMElement* exts=XMLHelper::getFirstChildElement(e,_Extensions);
1159     if (exts) {
1160         exts=XMLHelper::getFirstChildElement(exts,Library);
1161         while (exts) {
1162             auto_ptr_char path(exts->getAttributeNS(NULL,_path));
1163             try {
1164                 if (path.get()) {
1165                     XMLToolingConfig::getConfig().load_library(path.get(),(void*)exts);
1166                     log.debug("loaded %s extension library (%s)", label, path.get());
1167                 }
1168             }
1169             catch (exception& e) {
1170                 const XMLCh* fatal=exts->getAttributeNS(NULL,_fatal);
1171                 if (fatal && (*fatal==chLatin_t || *fatal==chDigit_1)) {
1172                     log.fatal("unable to load mandatory %s extension library %s: %s", label, path.get(), e.what());
1173                     throw;
1174                 }
1175                 else {
1176                     log.crit("unable to load optional %s extension library %s: %s", label, path.get(), e.what());
1177                 }
1178             }
1179             exts=XMLHelper::getNextSiblingElement(exts,Library);
1180         }
1181     }
1182 }
1183
1184 XMLConfigImpl::XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log)
1185     : m_requestMapper(NULL), m_outer(outer), m_document(NULL)
1186 {
1187 #ifdef _DEBUG
1188     xmltooling::NDC ndc("XMLConfigImpl");
1189 #endif
1190
1191     try {
1192         SPConfig& conf=SPConfig::getConfig();
1193 #ifndef SHIBSP_LITE
1194         SAMLConfig& samlConf=SAMLConfig::getConfig();
1195 #endif
1196         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
1197         const DOMElement* SHAR=XMLHelper::getFirstChildElement(e,OutOfProcess);
1198         const DOMElement* SHIRE=XMLHelper::getFirstChildElement(e,InProcess);
1199
1200         // Initialize log4cpp manually in order to redirect log messages as soon as possible.
1201         if (conf.isEnabled(SPConfig::Logging)) {
1202             const XMLCh* logconf=NULL;
1203             if (conf.isEnabled(SPConfig::OutOfProcess))
1204                 logconf=SHAR->getAttributeNS(NULL,logger);
1205             else if (conf.isEnabled(SPConfig::InProcess))
1206                 logconf=SHIRE->getAttributeNS(NULL,logger);
1207             if (!logconf || !*logconf)
1208                 logconf=e->getAttributeNS(NULL,logger);
1209             if (logconf && *logconf) {
1210                 auto_ptr_char logpath(logconf);
1211                 log.debug("loading new logging configuration from (%s), check log destination for status of configuration",logpath.get());
1212                 XMLToolingConfig::getConfig().log_config(logpath.get());
1213             }
1214             
1215 #ifndef SHIBSP_LITE
1216             if (first)
1217                 m_outer->m_tranLog = new TransactionLog();
1218 #endif
1219         }
1220         
1221         // First load any property sets.
1222         load(e,log,this);
1223
1224         const DOMElement* child;
1225         string plugtype;
1226
1227         // Much of the processing can only occur on the first instantiation.
1228         if (first) {
1229             // Set clock skew.
1230             pair<bool,unsigned int> skew=getUnsignedInt("clockSkew");
1231             if (skew.first)
1232                 xmlConf.clock_skew_secs=skew.second;
1233
1234             // Extensions
1235             doExtensions(e, "global", log);
1236             if (conf.isEnabled(SPConfig::OutOfProcess))
1237                 doExtensions(SHAR, "out of process", log);
1238
1239             if (conf.isEnabled(SPConfig::InProcess))
1240                 doExtensions(SHIRE, "in process", log);
1241             
1242             // Instantiate the ListenerService and SessionCache objects.
1243             if (conf.isEnabled(SPConfig::Listener)) {
1244                 child=XMLHelper::getFirstChildElement(e,UnixListener);
1245                 if (child)
1246                     plugtype=UNIX_LISTENER_SERVICE;
1247                 else {
1248                     child=XMLHelper::getFirstChildElement(e,TCPListener);
1249                     if (child)
1250                         plugtype=TCP_LISTENER_SERVICE;
1251                     else {
1252                         child=XMLHelper::getFirstChildElement(e,Listener);
1253                         if (child) {
1254                             auto_ptr_char type(child->getAttributeNS(NULL,_type));
1255                             if (type.get())
1256                                 plugtype=type.get();
1257                         }
1258                     }
1259                 }
1260                 if (child) {
1261                     log.info("building ListenerService of type %s...", plugtype.c_str());
1262                     m_outer->m_listener = conf.ListenerServiceManager.newPlugin(plugtype.c_str(), child);
1263                 }
1264                 else {
1265                     log.fatal("can't build ListenerService, missing conf:Listener element?");
1266                     throw ConfigurationException("Can't build ListenerService, missing conf:Listener element?");
1267                 }
1268             }
1269
1270 #ifndef SHIBSP_LITE
1271             if (m_outer->m_listener && conf.isEnabled(SPConfig::OutOfProcess) && !conf.isEnabled(SPConfig::InProcess)) {
1272                 m_outer->m_listener->regListener("set::RelayState", m_outer->m_listener);
1273                 m_outer->m_listener->regListener("get::RelayState", m_outer->m_listener);
1274             }
1275 #endif
1276
1277             if (conf.isEnabled(SPConfig::Caching)) {
1278                 if (conf.isEnabled(SPConfig::OutOfProcess)) {
1279 #ifndef SHIBSP_LITE
1280                     // First build any StorageServices.
1281                     child=XMLHelper::getFirstChildElement(e,_StorageService);
1282                     while (child) {
1283                         auto_ptr_char id(child->getAttributeNS(NULL,_id));
1284                         auto_ptr_char type(child->getAttributeNS(NULL,_type));
1285                         try {
1286                             log.info("building StorageService (%s) of type %s...", id.get(), type.get());
1287                             m_outer->m_storage[id.get()] = xmlConf.StorageServiceManager.newPlugin(type.get(),child);
1288                         }
1289                         catch (exception& ex) {
1290                             log.crit("failed to instantiate StorageService (%s): %s", id.get(), ex.what());
1291                         }
1292                         child=XMLHelper::getNextSiblingElement(child,_StorageService);
1293                     }
1294
1295                     // Replay cache.
1296                     StorageService* replaySS=NULL;
1297                     child=XMLHelper::getFirstChildElement(e,_ReplayCache);
1298                     if (child) {
1299                         auto_ptr_char ssid(child->getAttributeNS(NULL,_StorageService));
1300                         if (ssid.get() && *ssid.get()) {
1301                             if (m_outer->m_storage.count(ssid.get()))
1302                                 replaySS = m_outer->m_storage[ssid.get()];
1303                             if (replaySS)
1304                                 log.info("building ReplayCache on top of StorageService (%s)...", ssid.get());
1305                             else
1306                                 log.warn("unable to locate StorageService (%s) for ReplayCache, using dedicated in-memory instance", ssid.get());
1307                         }
1308                         xmlConf.setReplayCache(new ReplayCache(replaySS));
1309                     }
1310                     else {
1311                         log.warn("no ReplayCache built, missing conf:ReplayCache element?");
1312                     }
1313                     
1314                     // ArtifactMap
1315                     child=XMLHelper::getFirstChildElement(e,_ArtifactMap);
1316                     if (child) {
1317                         auto_ptr_char ssid(child->getAttributeNS(NULL,_StorageService));
1318                         if (ssid.get() && *ssid.get() && m_outer->m_storage.count(ssid.get())) {
1319                             log.info("building ArtifactMap on top of StorageService (%s)...", ssid.get());
1320                             samlConf.setArtifactMap(new ArtifactMap(child, m_outer->m_storage[ssid.get()]));
1321                         }
1322                     }
1323                     if (samlConf.getArtifactMap()==NULL) {
1324                         log.info("building in-memory ArtifactMap...");
1325                         samlConf.setArtifactMap(new ArtifactMap(child));
1326                     }
1327 #endif
1328                 }
1329                 child=XMLHelper::getFirstChildElement(e,_SessionCache);
1330                 if (child) {
1331                     auto_ptr_char type(child->getAttributeNS(NULL,_type));
1332                     log.info("building SessionCache of type %s...",type.get());
1333                     m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(type.get(), child);
1334                 }
1335                 else {
1336                     log.fatal("can't build SessionCache, missing conf:SessionCache element?");
1337                     throw ConfigurationException("Can't build SessionCache, missing conf:SessionCache element?");
1338                 }
1339             }
1340         } // end of first-time-only stuff
1341         
1342         // Back to the fully dynamic stuff...next up is the RequestMapper.
1343         if (conf.isEnabled(SPConfig::RequestMapping)) {
1344             child=XMLHelper::getFirstChildElement(e,_RequestMapper);
1345             if (child) {
1346                 auto_ptr_char type(child->getAttributeNS(NULL,_type));
1347                 log.info("building RequestMapper of type %s...",type.get());
1348                 m_requestMapper=conf.RequestMapperManager.newPlugin(type.get(),child);
1349             }
1350             else {
1351                 log.fatal("can't build RequestMapper, missing conf:RequestMapper element?");
1352                 throw ConfigurationException("Can't build RequestMapper, missing conf:RequestMapper element?");
1353             }
1354         }
1355         
1356 #ifndef SHIBSP_LITE
1357         // Load security policies.
1358         child = XMLHelper::getLastChildElement(e,SecurityPolicies);
1359         if (child) {
1360             PolicyNodeFilter filter;
1361             child = XMLHelper::getFirstChildElement(child,Policy);
1362             while (child) {
1363                 auto_ptr_char id(child->getAttributeNS(NULL,_id));
1364                 pair< PropertySet*,vector<const SecurityPolicyRule*> >& rules = m_policyMap[id.get()];
1365                 rules.first = NULL;
1366                 auto_ptr<DOMPropertySet> settings(new DOMPropertySet());
1367                 settings->load(child, log, &filter);
1368                 rules.first = settings.release();
1369                 
1370                 // Process Rule elements.
1371                 const DOMElement* rule = XMLHelper::getFirstChildElement(child,Rule);
1372                 while (rule) {
1373                     auto_ptr_char type(rule->getAttributeNS(NULL,_type));
1374                     try {
1375                         rules.second.push_back(samlConf.SecurityPolicyRuleManager.newPlugin(type.get(),rule));
1376                     }
1377                     catch (exception& ex) {
1378                         log.crit("error instantiating policy rule (%s) in policy (%s): %s", type.get(), id.get(), ex.what());
1379                     }
1380                     rule = XMLHelper::getNextSiblingElement(rule,Rule);
1381                 }
1382                 
1383                 // Process TransportOption elements.
1384                 rule = XMLHelper::getFirstChildElement(child,TransportOption);
1385                 while (rule) {
1386                     if (rule->hasChildNodes()) {
1387                         auto_ptr_char provider(rule->getAttributeNS(NULL,_provider));
1388                         auto_ptr_char option(rule->getAttributeNS(NULL,_option));
1389                         auto_ptr_char value(rule->getFirstChild()->getNodeValue());
1390                         if (provider.get() && *provider.get() && option.get() && *option.get() && value.get() && *value.get()) {
1391                             m_transportOptionMap[id.get()].push_back(
1392                                 make_pair(string(provider.get()), make_pair(string(option.get()), string(value.get())))
1393                                 );
1394                         }
1395                     }
1396                     rule = XMLHelper::getNextSiblingElement(rule,TransportOption);
1397                 }
1398                 
1399                 child = XMLHelper::getNextSiblingElement(child,Policy);
1400             }
1401         }
1402 #endif
1403
1404         // Load the default application. This actually has a fixed ID of "default". ;-)
1405         child=XMLHelper::getLastChildElement(e,Applications);
1406         if (!child) {
1407             log.fatal("can't build default Application object, missing conf:Applications element?");
1408             throw ConfigurationException("can't build default Application object, missing conf:Applications element?");
1409         }
1410         XMLApplication* defapp=new XMLApplication(m_outer,child);
1411         m_appmap[defapp->getId()]=defapp;
1412         
1413         // Load any overrides.
1414         child = XMLHelper::getFirstChildElement(child,_Application);
1415         while (child) {
1416             auto_ptr<XMLApplication> iapp(new XMLApplication(m_outer,child,defapp));
1417             if (m_appmap.count(iapp->getId()))
1418                 log.crit("found conf:Application element with duplicate id attribute (%s), skipping it", iapp->getId());
1419             else
1420                 m_appmap[iapp->getId()]=iapp.release();
1421
1422             child = XMLHelper::getNextSiblingElement(child,_Application);
1423         }
1424     }
1425     catch (exception&) {
1426         cleanup();
1427         throw;
1428     }
1429 }
1430
1431 XMLConfigImpl::~XMLConfigImpl()
1432 {
1433     cleanup();
1434 }
1435
1436 void XMLConfigImpl::cleanup()
1437 {
1438     for_each(m_appmap.begin(),m_appmap.end(),cleanup_pair<string,Application>());
1439     m_appmap.clear();
1440 #ifndef SHIBSP_LITE
1441     for (map< string,pair<PropertySet*,vector<const SecurityPolicyRule*> > >::iterator i=m_policyMap.begin(); i!=m_policyMap.end(); ++i) {
1442         delete i->second.first;
1443         for_each(i->second.second.begin(), i->second.second.end(), xmltooling::cleanup<SecurityPolicyRule>());
1444     }
1445     m_policyMap.clear();
1446 #endif
1447     delete m_requestMapper;
1448     m_requestMapper = NULL;
1449     if (m_document)
1450         m_document->release();
1451     m_document = NULL;
1452 }
1453
1454 #ifndef SHIBSP_LITE
1455 void XMLConfig::receive(DDF& in, ostream& out)
1456 {
1457     if (!strcmp(in.name(), "get::RelayState")) {
1458         const char* id = in["id"].string();
1459         const char* key = in["key"].string();
1460         if (!id || !key)
1461             throw ListenerException("Required parameters missing for RelayState recovery.");
1462
1463         string relayState;
1464         StorageService* storage = getStorageService(id);
1465         if (storage) {
1466             if (storage->readString("RelayState",key,&relayState)>0) {
1467                 if (in["clear"].integer())
1468                     storage->deleteString("RelayState",key);
1469             }
1470         }
1471         else {
1472             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1473                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1474                 );
1475         }
1476
1477         // Repack for return to caller.
1478         DDF ret=DDF(NULL).string(relayState.c_str());
1479         DDFJanitor jret(ret);
1480         out << ret;
1481     }
1482     else if (!strcmp(in.name(), "set::RelayState")) {
1483         const char* id = in["id"].string();
1484         const char* value = in["value"].string();
1485         if (!id || !value)
1486             throw ListenerException("Required parameters missing for RelayState creation.");
1487
1488         string rsKey;
1489         StorageService* storage = getStorageService(id);
1490         if (storage) {
1491             SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
1492             rsKey = SAMLArtifact::toHex(rsKey);
1493             storage->createString("RelayState", rsKey.c_str(), value, time(NULL) + 600);
1494         }
1495         else {
1496             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1497                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1498                 );
1499         }
1500
1501         // Repack for return to caller.
1502         DDF ret=DDF(NULL).string(rsKey.c_str());
1503         DDFJanitor jret(ret);
1504         out << ret;
1505     }
1506 }
1507 #endif
1508
1509 pair<bool,DOMElement*> XMLConfig::load()
1510 {
1511     // Load from source using base class.
1512     pair<bool,DOMElement*> raw = ReloadableXMLFile::load();
1513     
1514     // If we own it, wrap it.
1515     XercesJanitor<DOMDocument> docjanitor(raw.first ? raw.second->getOwnerDocument() : NULL);
1516
1517     XMLConfigImpl* impl = new XMLConfigImpl(raw.second,(m_impl==NULL),this,m_log);
1518     
1519     // If we held the document, transfer it to the impl. If we didn't, it's a no-op.
1520     impl->setDocument(docjanitor.release());
1521
1522     delete m_impl;
1523     m_impl = impl;
1524
1525     return make_pair(false,(DOMElement*)NULL);
1526 }