Switch plugin ctors to shortcut methods, and default the Listener in config.
[shibboleth/cpp-sp.git] / shibsp / impl / XMLServiceProvider.cpp
1 /*
2  *  Copyright 2001-2010 Internet2
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 /**
18  * XMLServiceProvider.cpp
19  *
20  * XML-based SP configuration and mgmt.
21  */
22
23 #include "internal.h"
24 #include "exceptions.h"
25 #include "version.h"
26 #include "AccessControl.h"
27 #include "Application.h"
28 #include "RequestMapper.h"
29 #include "ServiceProvider.h"
30 #include "SessionCache.h"
31 #include "SPConfig.h"
32 #include "SPRequest.h"
33 #include "handler/SessionInitiator.h"
34 #include "remoting/ListenerService.h"
35 #include "util/DOMPropertySet.h"
36 #include "util/SPConstants.h"
37
38 #if defined(XMLTOOLING_LOG4SHIB)
39 # include <log4shib/PropertyConfigurator.hh>
40 #elif defined(XMLTOOLING_LOG4CPP)
41 # include <log4cpp/PropertyConfigurator.hh>
42 #else
43 # error "Supported logging library not available."
44 #endif
45 #include <algorithm>
46 #include <xercesc/util/XMLUniDefs.hpp>
47 #include <xmltooling/XMLToolingConfig.h>
48 #include <xmltooling/version.h>
49 #include <xmltooling/util/NDC.h>
50 #include <xmltooling/util/ReloadableXMLFile.h>
51 #include <xmltooling/util/TemplateEngine.h>
52 #include <xmltooling/util/Threads.h>
53 #include <xmltooling/util/XMLHelper.h>
54
55 #ifndef SHIBSP_LITE
56 # include "TransactionLog.h"
57 # include "attribute/filtering/AttributeFilter.h"
58 # include "attribute/resolver/AttributeExtractor.h"
59 # include "attribute/resolver/AttributeResolver.h"
60 # include "security/PKIXTrustEngine.h"
61 # include "security/SecurityPolicyProvider.h"
62 # include <saml/SAMLConfig.h>
63 # include <saml/version.h>
64 # include <saml/binding/ArtifactMap.h>
65 # include <saml/binding/SAMLArtifact.h>
66 # include <saml/saml1/core/Assertions.h>
67 # include <saml/saml2/core/Assertions.h>
68 # include <saml/saml2/binding/SAML2ArtifactType0004.h>
69 # include <saml/saml2/metadata/Metadata.h>
70 # include <saml/saml2/metadata/MetadataProvider.h>
71 # include <saml/util/SAMLConstants.h>
72 # include <xmltooling/security/CredentialResolver.h>
73 # include <xmltooling/security/SecurityHelper.h>
74 # include <xmltooling/security/TrustEngine.h>
75 # include <xmltooling/util/ReplayCache.h>
76 # include <xmltooling/util/StorageService.h>
77 # include <xsec/utils/XSECPlatformUtils.hpp>
78 using namespace opensaml::saml2;
79 using namespace opensaml::saml2p;
80 using namespace opensaml::saml2md;
81 using namespace opensaml;
82 #else
83 # include "lite/SAMLConstants.h"
84 #endif
85
86 using namespace shibsp;
87 using namespace xmltooling;
88 using namespace std;
89
90 #ifndef min
91 # define min(a,b)            (((a) < (b)) ? (a) : (b))
92 #endif
93
94 namespace {
95
96 #if defined (_MSC_VER)
97     #pragma warning( push )
98     #pragma warning( disable : 4250 )
99 #endif
100
101     static vector<const Handler*> g_noHandlers;
102
103     // Application configuration wrapper
104     class SHIBSP_DLLLOCAL XMLApplication : public Application, public Remoted, public DOMPropertySet, public DOMNodeFilter
105     {
106     public:
107         XMLApplication(const ServiceProvider*, const DOMElement* e, const XMLApplication* base=nullptr);
108         ~XMLApplication() { cleanup(); }
109
110         const char* getHash() const {return m_hash.c_str();}
111
112 #ifndef SHIBSP_LITE
113         SAMLArtifact* generateSAML1Artifact(const EntityDescriptor* relyingParty) const {
114             throw ConfigurationException("No support for SAML 1.x artifact generation.");
115         }
116         SAML2Artifact* generateSAML2Artifact(const EntityDescriptor* relyingParty) const {
117             pair<bool,int> index = make_pair(false,0);
118             const PropertySet* props = getRelyingParty(relyingParty);
119             index = props->getInt("artifactEndpointIndex");
120             if (!index.first)
121                 index = getArtifactEndpointIndex();
122             pair<bool,const char*> entityID = props->getString("entityID");
123             return new SAML2ArtifactType0004(
124                 SecurityHelper::doHash("SHA1", entityID.second, strlen(entityID.second), false),
125                 index.first ? index.second : 1
126                 );
127         }
128
129         MetadataProvider* getMetadataProvider(bool required=true) const {
130             if (required && !m_base && !m_metadata)
131                 throw ConfigurationException("No MetadataProvider available.");
132             return (!m_metadata && m_base) ? m_base->getMetadataProvider() : m_metadata;
133         }
134         TrustEngine* getTrustEngine(bool required=true) const {
135             if (required && !m_base && !m_trust)
136                 throw ConfigurationException("No TrustEngine available.");
137             return (!m_trust && m_base) ? m_base->getTrustEngine() : m_trust;
138         }
139         AttributeExtractor* getAttributeExtractor() const {
140             return (!m_attrExtractor && m_base) ? m_base->getAttributeExtractor() : m_attrExtractor;
141         }
142         AttributeFilter* getAttributeFilter() const {
143             return (!m_attrFilter && m_base) ? m_base->getAttributeFilter() : m_attrFilter;
144         }
145         AttributeResolver* getAttributeResolver() const {
146             return (!m_attrResolver && m_base) ? m_base->getAttributeResolver() : m_attrResolver;
147         }
148         CredentialResolver* getCredentialResolver() const {
149             return (!m_credResolver && m_base) ? m_base->getCredentialResolver() : m_credResolver;
150         }
151         const PropertySet* getRelyingParty(const EntityDescriptor* provider) const;
152         const PropertySet* getRelyingParty(const XMLCh* entityID) const;
153         const vector<const XMLCh*>* getAudiences() const {
154             return (m_audiences.empty() && m_base) ? m_base->getAudiences() : &m_audiences;
155         }
156 #endif
157         string getNotificationURL(const char* resource, bool front, unsigned int index) const;
158
159         const vector<string>& getRemoteUserAttributeIds() const {
160             return (m_remoteUsers.empty() && m_base) ? m_base->getRemoteUserAttributeIds() : m_remoteUsers;
161         }
162
163         void clearHeader(SPRequest& request, const char* rawname, const char* cginame) const;
164         void setHeader(SPRequest& request, const char* name, const char* value) const;
165         string getSecureHeader(const SPRequest& request, const char* name) const;
166
167         const SessionInitiator* getDefaultSessionInitiator() const;
168         const SessionInitiator* getSessionInitiatorById(const char* id) const;
169         const Handler* getDefaultAssertionConsumerService() const;
170         const Handler* getAssertionConsumerServiceByIndex(unsigned short index) const;
171         const vector<const Handler*>& getAssertionConsumerServicesByBinding(const XMLCh* binding) const;
172         const Handler* getHandler(const char* path) const;
173         void getHandlers(vector<const Handler*>& handlers) const;
174
175         void receive(DDF& in, ostream& out) {
176             // Only current function is to return the headers to clear.
177             DDF header;
178             DDF ret=DDF(nullptr).list();
179             DDFJanitor jret(ret);
180             for (vector< pair<string,string> >::const_iterator i = m_unsetHeaders.begin(); i!=m_unsetHeaders.end(); ++i) {
181                 header = DDF(i->first.c_str()).string(i->second.c_str());
182                 ret.add(header);
183             }
184             out << ret;
185         }
186
187         // Provides filter to exclude special config elements.
188 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
189         short
190 #else
191         FilterAction
192 #endif
193         acceptNode(const DOMNode* node) const;
194
195     private:
196         void cleanup();
197         const XMLApplication* m_base;
198         string m_hash;
199         std::pair<std::string,std::string> m_attributePrefix;
200 #ifndef SHIBSP_LITE
201         MetadataProvider* m_metadata;
202         TrustEngine* m_trust;
203         AttributeExtractor* m_attrExtractor;
204         AttributeFilter* m_attrFilter;
205         AttributeResolver* m_attrResolver;
206         CredentialResolver* m_credResolver;
207         vector<const XMLCh*> m_audiences;
208
209         // RelyingParty properties
210         map<xstring,PropertySet*> m_partyMap;
211 #endif
212         vector<string> m_remoteUsers,m_frontLogout,m_backLogout;
213
214         // manage handler objects
215         vector<Handler*> m_handlers;
216
217         // maps location (path info) to applicable handlers
218         map<string,const Handler*> m_handlerMap;
219
220         // maps unique indexes to consumer services
221         map<unsigned int,const Handler*> m_acsIndexMap;
222
223         // pointer to default consumer service
224         const Handler* m_acsDefault;
225
226         // maps binding strings to supporting consumer service(s)
227         typedef map<xstring,vector<const Handler*> > ACSBindingMap;
228         ACSBindingMap m_acsBindingMap;
229
230         // pointer to default session initiator
231         const SessionInitiator* m_sessionInitDefault;
232
233         // maps unique ID strings to session initiators
234         map<string,const SessionInitiator*> m_sessionInitMap;
235
236         // pointer to default artifact resolution service
237         const Handler* m_artifactResolutionDefault;
238
239         pair<bool,int> getArtifactEndpointIndex() const {
240             if (m_artifactResolutionDefault) return m_artifactResolutionDefault->getInt("index");
241             return m_base ? m_base->getArtifactEndpointIndex() : make_pair(false,0);
242         }
243     };
244
245     // Top-level configuration implementation
246     class SHIBSP_DLLLOCAL XMLConfig;
247     class SHIBSP_DLLLOCAL XMLConfigImpl : public DOMPropertySet, public DOMNodeFilter
248     {
249     public:
250         XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log);
251         ~XMLConfigImpl();
252
253         RequestMapper* m_requestMapper;
254         map<string,Application*> m_appmap;
255 #ifndef SHIBSP_LITE
256         SecurityPolicyProvider* m_policy;
257         vector< pair< string, pair<string,string> > > m_transportOptions;
258 #endif
259
260         // Provides filter to exclude special config elements.
261 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
262         short
263 #else
264         FilterAction
265 #endif
266         acceptNode(const DOMNode* node) const;
267
268         void setDocument(DOMDocument* doc) {
269             m_document = doc;
270         }
271
272     private:
273         void doExtensions(const DOMElement* e, const char* label, Category& log);
274         void cleanup();
275
276         const XMLConfig* m_outer;
277         DOMDocument* m_document;
278     };
279
280     class SHIBSP_DLLLOCAL XMLConfig : public ServiceProvider, public ReloadableXMLFile
281 #ifndef SHIBSP_LITE
282         ,public Remoted
283 #endif
284     {
285     public:
286         XMLConfig(const DOMElement* e) : ReloadableXMLFile(e, Category::getInstance(SHIBSP_LOGCAT".Config")),
287             m_impl(nullptr), m_listener(nullptr), m_sessionCache(nullptr)
288 #ifndef SHIBSP_LITE
289             , m_tranLog(nullptr)
290 #endif
291         {
292         }
293
294         void init() {
295             background_load();
296         }
297
298         ~XMLConfig() {
299             shutdown();
300             delete m_impl;
301             delete m_sessionCache;
302             delete m_listener;
303 #ifndef SHIBSP_LITE
304             delete m_tranLog;
305             SAMLConfig::getConfig().setArtifactMap(nullptr);
306             XMLToolingConfig::getConfig().setReplayCache(nullptr);
307             for_each(m_storage.begin(), m_storage.end(), cleanup_pair<string,StorageService>());
308 #endif
309         }
310
311 #ifndef SHIBSP_LITE
312         // Lockable
313         Lockable* lock() {
314             ReloadableXMLFile::lock();
315             if (m_impl->m_policy)
316                 m_impl->m_policy->lock();
317             return this;
318         }
319         void unlock() {
320             if (m_impl->m_policy)
321                 m_impl->m_policy->unlock();
322             ReloadableXMLFile::unlock();
323         }
324 #endif
325
326         // PropertySet
327         const PropertySet* getParent() const { return m_impl->getParent(); }
328         void setParent(const PropertySet* parent) {return m_impl->setParent(parent);}
329         pair<bool,bool> getBool(const char* name, const char* ns=nullptr) const {return m_impl->getBool(name,ns);}
330         pair<bool,const char*> getString(const char* name, const char* ns=nullptr) const {return m_impl->getString(name,ns);}
331         pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=nullptr) const {return m_impl->getXMLString(name,ns);}
332         pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=nullptr) const {return m_impl->getUnsignedInt(name,ns);}
333         pair<bool,int> getInt(const char* name, const char* ns=nullptr) const {return m_impl->getInt(name,ns);}
334         void getAll(map<string,const char*>& properties) const {return m_impl->getAll(properties);}
335         const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const {return m_impl->getPropertySet(name,ns);}
336         const DOMElement* getElement() const {return m_impl->getElement();}
337
338         // ServiceProvider
339 #ifndef SHIBSP_LITE
340         // Remoted
341         void receive(DDF& in, ostream& out);
342
343         TransactionLog* getTransactionLog() const {
344             if (m_tranLog)
345                 return m_tranLog;
346             throw ConfigurationException("No TransactionLog available.");
347         }
348
349         StorageService* getStorageService(const char* id) const {
350             if (id) {
351                 map<string,StorageService*>::const_iterator i=m_storage.find(id);
352                 if (i!=m_storage.end())
353                     return i->second;
354             }
355             return nullptr;
356         }
357 #endif
358
359         ListenerService* getListenerService(bool required=true) const {
360             if (required && !m_listener)
361                 throw ConfigurationException("No ListenerService available.");
362             return m_listener;
363         }
364
365         SessionCache* getSessionCache(bool required=true) const {
366             if (required && !m_sessionCache)
367                 throw ConfigurationException("No SessionCache available.");
368             return m_sessionCache;
369         }
370
371         RequestMapper* getRequestMapper(bool required=true) const {
372             if (required && !m_impl->m_requestMapper)
373                 throw ConfigurationException("No RequestMapper available.");
374             return m_impl->m_requestMapper;
375         }
376
377         const Application* getApplication(const char* applicationId) const {
378             map<string,Application*>::const_iterator i=m_impl->m_appmap.find(applicationId);
379             return (i!=m_impl->m_appmap.end()) ? i->second : nullptr;
380         }
381
382 #ifndef SHIBSP_LITE
383         SecurityPolicyProvider* getSecurityPolicyProvider(bool required=true) const {
384             if (required && !m_impl->m_policy)
385                 throw ConfigurationException("No SecurityPolicyProvider available.");
386             return m_impl->m_policy;
387         }
388
389         const PropertySet* getPolicySettings(const char* id) const {
390             return getSecurityPolicyProvider()->getPolicySettings(id);
391         }
392
393         const vector<const SecurityPolicyRule*>& getPolicyRules(const char* id) const {
394             return getSecurityPolicyProvider()->getPolicyRules(id);
395         }
396
397         bool setTransportOptions(SOAPTransport& transport) const {
398             bool ret = true;
399             vector< pair< string, pair<string,string> > >::const_iterator opt;
400             for (opt = m_impl->m_transportOptions.begin(); opt != m_impl->m_transportOptions.end(); ++opt) {
401                 if (!transport.setProviderOption(opt->first.c_str(), opt->second.first.c_str(), opt->second.second.c_str())) {
402                     m_log.error("failed to set SOAPTransport option (%s)", opt->second.first.c_str());
403                     ret = false;
404                 }
405             }
406             return ret;
407         }
408 #endif
409
410     protected:
411         pair<bool,DOMElement*> background_load();
412
413     private:
414         friend class XMLConfigImpl;
415         XMLConfigImpl* m_impl;
416         mutable ListenerService* m_listener;
417         mutable SessionCache* m_sessionCache;
418 #ifndef SHIBSP_LITE
419         mutable TransactionLog* m_tranLog;
420         mutable map<string,StorageService*> m_storage;
421 #endif
422     };
423
424 #if defined (_MSC_VER)
425     #pragma warning( pop )
426 #endif
427
428     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);
429     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);
430     static const XMLCh _ArtifactMap[] =         UNICODE_LITERAL_11(A,r,t,i,f,a,c,t,M,a,p);
431     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);
432     static const XMLCh _AttributeFilter[] =     UNICODE_LITERAL_15(A,t,t,r,i,b,u,t,e,F,i,l,t,e,r);
433     static const XMLCh _AttributeResolver[] =   UNICODE_LITERAL_17(A,t,t,r,i,b,u,t,e,R,e,s,o,l,v,e,r);
434     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);
435     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);
436     static const XMLCh _Audience[] =            UNICODE_LITERAL_8(A,u,d,i,e,n,c,e);
437     static const XMLCh Binding[] =              UNICODE_LITERAL_7(B,i,n,d,i,n,g);
438     static const XMLCh Channel[]=               UNICODE_LITERAL_7(C,h,a,n,n,e,l);
439     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);
440     static const XMLCh _Extensions[] =          UNICODE_LITERAL_10(E,x,t,e,n,s,i,o,n,s);
441     static const XMLCh _fatal[] =               UNICODE_LITERAL_5(f,a,t,a,l);
442     static const XMLCh _Handler[] =             UNICODE_LITERAL_7(H,a,n,d,l,e,r);
443     static const XMLCh _id[] =                  UNICODE_LITERAL_2(i,d);
444     static const XMLCh InProcess[] =            UNICODE_LITERAL_9(I,n,P,r,o,c,e,s,s);
445     static const XMLCh Library[] =              UNICODE_LITERAL_7(L,i,b,r,a,r,y);
446     static const XMLCh Listener[] =             UNICODE_LITERAL_8(L,i,s,t,e,n,e,r);
447     static const XMLCh Location[] =             UNICODE_LITERAL_8(L,o,c,a,t,i,o,n);
448     static const XMLCh logger[] =               UNICODE_LITERAL_6(l,o,g,g,e,r);
449     static const XMLCh _LogoutInitiator[] =     UNICODE_LITERAL_15(L,o,g,o,u,t,I,n,i,t,i,a,t,o,r);
450     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);
451     static const XMLCh _MetadataProvider[] =    UNICODE_LITERAL_16(M,e,t,a,d,a,t,a,P,r,o,v,i,d,e,r);
452     static const XMLCh Notify[] =               UNICODE_LITERAL_6(N,o,t,i,f,y);
453     static const XMLCh _option[] =              UNICODE_LITERAL_6(o,p,t,i,o,n);
454     static const XMLCh OutOfProcess[] =         UNICODE_LITERAL_12(O,u,t,O,f,P,r,o,c,e,s,s);
455     static const XMLCh _path[] =                UNICODE_LITERAL_4(p,a,t,h);
456     static const XMLCh _provider[] =            UNICODE_LITERAL_8(p,r,o,v,i,d,e,r);
457     static const XMLCh RelyingParty[] =         UNICODE_LITERAL_12(R,e,l,y,i,n,g,P,a,r,t,y);
458     static const XMLCh _ReplayCache[] =         UNICODE_LITERAL_11(R,e,p,l,a,y,C,a,c,h,e);
459     static const XMLCh _RequestMapper[] =       UNICODE_LITERAL_13(R,e,q,u,e,s,t,M,a,p,p,e,r);
460     static const XMLCh SecurityPolicies[] =     UNICODE_LITERAL_16(S,e,c,u,r,i,t,y,P,o,l,i,c,i,e,s);
461     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);
462     static const XMLCh _SessionCache[] =        UNICODE_LITERAL_12(S,e,s,s,i,o,n,C,a,c,h,e);
463     static const XMLCh _SessionInitiator[] =    UNICODE_LITERAL_16(S,e,s,s,i,o,n,I,n,i,t,i,a,t,o,r);
464     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);
465     static const XMLCh Site[] =                 UNICODE_LITERAL_4(S,i,t,e);
466     static const XMLCh _StorageService[] =      UNICODE_LITERAL_14(S,t,o,r,a,g,e,S,e,r,v,i,c,e);
467     static const XMLCh TCPListener[] =          UNICODE_LITERAL_11(T,C,P,L,i,s,t,e,n,e,r);
468     static const XMLCh TransportOption[] =      UNICODE_LITERAL_15(T,r,a,n,s,p,o,r,t,O,p,t,i,o,n);
469     static const XMLCh _TrustEngine[] =         UNICODE_LITERAL_11(T,r,u,s,t,E,n,g,i,n,e);
470     static const XMLCh _type[] =                UNICODE_LITERAL_4(t,y,p,e);
471     static const XMLCh UnixListener[] =         UNICODE_LITERAL_12(U,n,i,x,L,i,s,t,e,n,e,r);
472 };
473
474 namespace shibsp {
475     ServiceProvider* XMLServiceProviderFactory(const DOMElement* const & e)
476     {
477         return new XMLConfig(e);
478     }
479 };
480
481 XMLApplication::XMLApplication(
482     const ServiceProvider* sp,
483     const DOMElement* e,
484     const XMLApplication* base
485     ) : Application(sp), m_base(base),
486 #ifndef SHIBSP_LITE
487         m_metadata(nullptr), m_trust(nullptr),
488         m_attrExtractor(nullptr), m_attrFilter(nullptr), m_attrResolver(nullptr),
489         m_credResolver(nullptr),
490 #endif
491         m_acsDefault(nullptr), m_sessionInitDefault(nullptr), m_artifactResolutionDefault(nullptr)
492 {
493 #ifdef _DEBUG
494     xmltooling::NDC ndc("XMLApplication");
495 #endif
496     Category& log=Category::getInstance(SHIBSP_LOGCAT".Application");
497
498     try {
499         // First load any property sets.
500         load(e,nullptr,this);
501         if (base)
502             setParent(base);
503
504         SPConfig& conf=SPConfig::getConfig();
505 #ifndef SHIBSP_LITE
506         SAMLConfig& samlConf=SAMLConfig::getConfig();
507         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
508 #endif
509
510         // This used to be an actual hash, but now it's just a hex-encode to avoid xmlsec.
511         static char DIGITS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
512         string tohash=getId();
513         tohash+=getString("entityID").second;
514         for (const char* ch = tohash.c_str(); *ch; ++ch) {
515             m_hash += (DIGITS[((unsigned char)(0xF0 & *ch)) >> 4 ]);
516             m_hash += (DIGITS[0x0F & *ch]);
517         }
518
519         // Populate prefix pair.
520         m_attributePrefix.second = "HTTP_";
521         pair<bool,const char*> prefix = getString("attributePrefix");
522         if (prefix.first) {
523             m_attributePrefix.first = prefix.second;
524             const char* pch = prefix.second;
525             while (*pch) {
526                 m_attributePrefix.second += (isalnum(*pch) ? toupper(*pch) : '_');
527                 pch++;
528             }
529         }
530
531         // Load attribute ID lists for REMOTE_USER and header clearing.
532         if (conf.isEnabled(SPConfig::InProcess)) {
533             pair<bool,const char*> attributes = getString("REMOTE_USER");
534             if (attributes.first) {
535                 char* dup = strdup(attributes.second);
536                 char* pos;
537                 char* start = dup;
538                 while (start && *start) {
539                     while (*start && isspace(*start))
540                         start++;
541                     if (!*start)
542                         break;
543                     pos = strchr(start,' ');
544                     if (pos)
545                         *pos=0;
546                     m_remoteUsers.push_back(start);
547                     start = pos ? pos+1 : nullptr;
548                 }
549                 free(dup);
550             }
551
552             attributes = getString("unsetHeaders");
553             if (attributes.first) {
554                 string transformedprefix(m_attributePrefix.second);
555                 const char* pch;
556                 prefix = getString("metadataAttributePrefix");
557                 if (prefix.first) {
558                     pch = prefix.second;
559                     while (*pch) {
560                         transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
561                         pch++;
562                     }
563                 }
564                 char* dup = strdup(attributes.second);
565                 char* pos;
566                 char* start = dup;
567                 while (start && *start) {
568                     while (*start && isspace(*start))
569                         start++;
570                     if (!*start)
571                         break;
572                     pos = strchr(start,' ');
573                     if (pos)
574                         *pos=0;
575
576                     string transformed;
577                     pch = start;
578                     while (*pch) {
579                         transformed += (isalnum(*pch) ? toupper(*pch) : '_');
580                         pch++;
581                     }
582
583                     m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + start, m_attributePrefix.second + transformed));
584                     if (prefix.first)
585                         m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + prefix.second + start, transformedprefix + transformed));
586                     start = pos ? pos+1 : nullptr;
587                 }
588                 free(dup);
589                 m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + "Shib-Application-ID", m_attributePrefix.second + "SHIB_APPLICATION_ID"));
590             }
591         }
592
593         Handler* handler=nullptr;
594         const PropertySet* sessions = getPropertySet("Sessions");
595
596         // Process assertion export handler.
597         pair<bool,const char*> location = sessions ? sessions->getString("exportLocation") : pair<bool,const char*>(false,nullptr);
598         if (location.first) {
599             try {
600                 DOMElement* exportElement = e->getOwnerDocument()->createElementNS(shibspconstants::SHIB2SPCONFIG_NS,_Handler);
601                 exportElement->setAttributeNS(nullptr,Location,sessions->getXMLString("exportLocation").second);
602                 pair<bool,const XMLCh*> exportACL = sessions->getXMLString("exportACL");
603                 if (exportACL.first) {
604                     static const XMLCh _acl[] = UNICODE_LITERAL_9(e,x,p,o,r,t,A,C,L);
605                     exportElement->setAttributeNS(nullptr,_acl,exportACL.second);
606                 }
607                 handler = conf.HandlerManager.newPlugin(
608                     samlconstants::SAML20_BINDING_URI, pair<const DOMElement*,const char*>(exportElement, getId())
609                     );
610                 m_handlers.push_back(handler);
611
612                 // Insert into location map. If it contains the handlerURL, we skip past that part.
613                 const char* pch = strstr(location.second, sessions->getString("handlerURL").second);
614                 if (pch)
615                     location.second = pch + strlen(sessions->getString("handlerURL").second);
616                 if (*location.second == '/')
617                     m_handlerMap[location.second]=handler;
618                 else
619                     m_handlerMap[string("/") + location.second]=handler;
620             }
621             catch (exception& ex) {
622                 log.error("caught exception installing assertion lookup handler: %s", ex.what());
623             }
624         }
625
626         // Process other handlers.
627         bool hardACS=false, hardSessionInit=false, hardArt=false;
628         const DOMElement* child = sessions ? XMLHelper::getFirstChildElement(sessions->getElement()) : nullptr;
629         while (child) {
630             if (!child->hasAttributeNS(nullptr, Location)) {
631                 auto_ptr_char hclass(child->getLocalName());
632                 log.error("%s handler with no Location property cannot be processed", hclass.get());
633                 child = XMLHelper::getNextSiblingElement(child);
634                 continue;
635             }
636             try {
637                 if (XMLString::equals(child->getLocalName(),_AssertionConsumerService)) {
638                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
639                     if (!bindprop.get() || !*(bindprop.get())) {
640                         log.warn("md:AssertionConsumerService element has no Binding attribute, skipping it...");
641                         child = XMLHelper::getNextSiblingElement(child);
642                         continue;
643                     }
644                     handler=conf.AssertionConsumerServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
645                     // Map by binding (may be > 1 per binding, e.g. SAML 1.0 vs 1.1)
646                     m_acsBindingMap[handler->getXMLString("Binding").second].push_back(handler);
647                     m_acsIndexMap[handler->getUnsignedInt("index").second]=handler;
648
649                     if (!hardACS) {
650                         pair<bool,bool> defprop=handler->getBool("isDefault");
651                         if (defprop.first) {
652                             if (defprop.second) {
653                                 hardACS=true;
654                                 m_acsDefault=handler;
655                             }
656                         }
657                         else if (!m_acsDefault)
658                             m_acsDefault=handler;
659                     }
660                 }
661                 else if (XMLString::equals(child->getLocalName(),_SessionInitiator)) {
662                     auto_ptr_char type(child->getAttributeNS(nullptr,_type));
663                     if (!type.get() || !*(type.get())) {
664                         log.warn("SessionInitiator element has no type attribute, skipping it...");
665                         child = XMLHelper::getNextSiblingElement(child);
666                         continue;
667                     }
668                     SessionInitiator* sihandler=conf.SessionInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
669                     handler=sihandler;
670                     pair<bool,const char*> si_id=handler->getString("id");
671                     if (si_id.first && si_id.second)
672                         m_sessionInitMap[si_id.second]=sihandler;
673                     if (!hardSessionInit) {
674                         pair<bool,bool> defprop=handler->getBool("isDefault");
675                         if (defprop.first) {
676                             if (defprop.second) {
677                                 hardSessionInit=true;
678                                 m_sessionInitDefault=sihandler;
679                             }
680                         }
681                         else if (!m_sessionInitDefault)
682                             m_sessionInitDefault=sihandler;
683                     }
684                 }
685                 else if (XMLString::equals(child->getLocalName(),_LogoutInitiator)) {
686                     auto_ptr_char type(child->getAttributeNS(nullptr,_type));
687                     if (!type.get() || !*(type.get())) {
688                         log.warn("LogoutInitiator element has no type attribute, skipping it...");
689                         child = XMLHelper::getNextSiblingElement(child);
690                         continue;
691                     }
692                     handler=conf.LogoutInitiatorManager.newPlugin(type.get(),make_pair(child, getId()));
693                 }
694                 else if (XMLString::equals(child->getLocalName(),_ArtifactResolutionService)) {
695                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
696                     if (!bindprop.get() || !*(bindprop.get())) {
697                         log.warn("md:ArtifactResolutionService element has no Binding attribute, skipping it...");
698                         child = XMLHelper::getNextSiblingElement(child);
699                         continue;
700                     }
701                     handler=conf.ArtifactResolutionServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
702
703                     if (!hardArt) {
704                         pair<bool,bool> defprop=handler->getBool("isDefault");
705                         if (defprop.first) {
706                             if (defprop.second) {
707                                 hardArt=true;
708                                 m_artifactResolutionDefault=handler;
709                             }
710                         }
711                         else if (!m_artifactResolutionDefault)
712                             m_artifactResolutionDefault=handler;
713                     }
714                 }
715                 else if (XMLString::equals(child->getLocalName(),_SingleLogoutService)) {
716                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
717                     if (!bindprop.get() || !*(bindprop.get())) {
718                         log.warn("md:SingleLogoutService element has no Binding attribute, skipping it...");
719                         child = XMLHelper::getNextSiblingElement(child);
720                         continue;
721                     }
722                     handler=conf.SingleLogoutServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
723                 }
724                 else if (XMLString::equals(child->getLocalName(),_ManageNameIDService)) {
725                     auto_ptr_char bindprop(child->getAttributeNS(nullptr,Binding));
726                     if (!bindprop.get() || !*(bindprop.get())) {
727                         log.warn("md:ManageNameIDService element has no Binding attribute, skipping it...");
728                         child = XMLHelper::getNextSiblingElement(child);
729                         continue;
730                     }
731                     handler=conf.ManageNameIDServiceManager.newPlugin(bindprop.get(),make_pair(child, getId()));
732                 }
733                 else {
734                     auto_ptr_char type(child->getAttributeNS(nullptr,_type));
735                     if (!type.get() || !*(type.get())) {
736                         log.warn("Handler element has no type attribute, skipping it...");
737                         child = XMLHelper::getNextSiblingElement(child);
738                         continue;
739                     }
740                     handler=conf.HandlerManager.newPlugin(type.get(),make_pair(child, getId()));
741                 }
742
743                 m_handlers.push_back(handler);
744
745                 // Insert into location map.
746                 location=handler->getString("Location");
747                 if (location.first && *location.second == '/')
748                     m_handlerMap[location.second]=handler;
749                 else if (location.first)
750                     m_handlerMap[string("/") + location.second]=handler;
751
752             }
753             catch (exception& ex) {
754                 log.error("caught exception processing handler element: %s", ex.what());
755             }
756
757             child = XMLHelper::getNextSiblingElement(child);
758         }
759
760         // Notification.
761         DOMNodeList* nlist=e->getElementsByTagNameNS(shibspconstants::SHIB2SPCONFIG_NS,Notify);
762         for (XMLSize_t i=0; nlist && i<nlist->getLength(); i++) {
763             if (nlist->item(i)->getParentNode()->isSameNode(e)) {
764                 const XMLCh* channel = static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(nullptr,Channel);
765                 auto_ptr_char loc(static_cast<DOMElement*>(nlist->item(i))->getAttributeNS(nullptr,Location));
766                 if (loc.get() && *loc.get()) {
767                     if (channel && *channel == chLatin_f)
768                         m_frontLogout.push_back(loc.get());
769                     else
770                         m_backLogout.push_back(loc.get());
771                 }
772             }
773         }
774
775 #ifndef SHIBSP_LITE
776         nlist=e->getElementsByTagNameNS(samlconstants::SAML20_NS,Audience::LOCAL_NAME);
777         if (nlist && nlist->getLength()) {
778             log.warn("use of <saml:Audience> elements outside of a Security Policy Rule is deprecated");
779             for (XMLSize_t i=0; i<nlist->getLength(); i++)
780                 if (nlist->item(i)->getParentNode()->isSameNode(e) && nlist->item(i)->hasChildNodes())
781                     m_audiences.push_back(nlist->item(i)->getFirstChild()->getNodeValue());
782         }
783
784         if (conf.isEnabled(SPConfig::Metadata)) {
785             child = XMLHelper::getFirstChildElement(e,_MetadataProvider);
786             if (child) {
787                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
788                 log.info("building MetadataProvider of type %s...",type.get());
789                 try {
790                     auto_ptr<MetadataProvider> mp(samlConf.MetadataProviderManager.newPlugin(type.get(),child));
791                     mp->init();
792                     m_metadata = mp.release();
793                 }
794                 catch (exception& ex) {
795                     log.crit("error building/initializing MetadataProvider: %s", ex.what());
796                 }
797             }
798         }
799
800         if (conf.isEnabled(SPConfig::Trust)) {
801             child = XMLHelper::getFirstChildElement(e,_TrustEngine);
802             if (child) {
803                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
804                 log.info("building TrustEngine of type %s...",type.get());
805                 try {
806                     m_trust = xmlConf.TrustEngineManager.newPlugin(type.get(),child);
807                 }
808                 catch (exception& ex) {
809                     log.crit("error building TrustEngine: %s", ex.what());
810                 }
811             }
812         }
813
814         if (conf.isEnabled(SPConfig::AttributeResolution)) {
815             child = XMLHelper::getFirstChildElement(e,_AttributeExtractor);
816             if (child) {
817                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
818                 log.info("building AttributeExtractor of type %s...",type.get());
819                 try {
820                     m_attrExtractor = conf.AttributeExtractorManager.newPlugin(type.get(),child);
821                 }
822                 catch (exception& ex) {
823                     log.crit("error building AttributeExtractor: %s", ex.what());
824                 }
825             }
826
827             child = XMLHelper::getFirstChildElement(e,_AttributeFilter);
828             if (child) {
829                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
830                 log.info("building AttributeFilter of type %s...",type.get());
831                 try {
832                     m_attrFilter = conf.AttributeFilterManager.newPlugin(type.get(),child);
833                 }
834                 catch (exception& ex) {
835                     log.crit("error building AttributeFilter: %s", ex.what());
836                 }
837             }
838
839             child = XMLHelper::getFirstChildElement(e,_AttributeResolver);
840             if (child) {
841                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
842                 log.info("building AttributeResolver of type %s...",type.get());
843                 try {
844                     m_attrResolver = conf.AttributeResolverManager.newPlugin(type.get(),child);
845                 }
846                 catch (exception& ex) {
847                     log.crit("error building AttributeResolver: %s", ex.what());
848                 }
849             }
850
851             if (m_unsetHeaders.empty()) {
852                 vector<string> unsetHeaders;
853                 if (m_attrExtractor) {
854                     Locker extlock(m_attrExtractor);
855                     m_attrExtractor->getAttributeIds(unsetHeaders);
856                 }
857                 else if (m_base && m_base->m_attrExtractor) {
858                     Locker extlock(m_base->m_attrExtractor);
859                     m_base->m_attrExtractor->getAttributeIds(unsetHeaders);
860                 }
861                 if (m_attrResolver) {
862                     Locker reslock(m_attrResolver);
863                     m_attrResolver->getAttributeIds(unsetHeaders);
864                 }
865                 else if (m_base && m_base->m_attrResolver) {
866                     Locker extlock(m_base->m_attrResolver);
867                     m_base->m_attrResolver->getAttributeIds(unsetHeaders);
868                 }
869                 if (!unsetHeaders.empty()) {
870                     string transformedprefix(m_attributePrefix.second);
871                     const char* pch;
872                     pair<bool,const char*> prefix = getString("metadataAttributePrefix");
873                     if (prefix.first) {
874                         pch = prefix.second;
875                         while (*pch) {
876                             transformedprefix += (isalnum(*pch) ? toupper(*pch) : '_');
877                             pch++;
878                         }
879                     }
880                     for (vector<string>::const_iterator hdr = unsetHeaders.begin(); hdr!=unsetHeaders.end(); ++hdr) {
881                         string transformed;
882                         pch = hdr->c_str();
883                         while (*pch) {
884                             transformed += (isalnum(*pch) ? toupper(*pch) : '_');
885                             pch++;
886                         }
887                         m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + *hdr, m_attributePrefix.second + transformed));
888                         if (prefix.first)
889                             m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + prefix.second + *hdr, transformedprefix + transformed));
890                     }
891                 }
892                 m_unsetHeaders.push_back(pair<string,string>(m_attributePrefix.first + "Shib-Application-ID", m_attributePrefix.second + "SHIB_APPLICATION_ID"));
893             }
894         }
895
896         if (conf.isEnabled(SPConfig::Credentials)) {
897             child = XMLHelper::getFirstChildElement(e,_CredentialResolver);
898             if (child) {
899                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
900                 log.info("building CredentialResolver of type %s...",type.get());
901                 try {
902                     m_credResolver = xmlConf.CredentialResolverManager.newPlugin(type.get(),child);
903                 }
904                 catch (exception& ex) {
905                     log.crit("error building CredentialResolver: %s", ex.what());
906                 }
907             }
908         }
909
910         // Finally, load relying parties.
911         child = XMLHelper::getFirstChildElement(e,RelyingParty);
912         while (child) {
913             auto_ptr<DOMPropertySet> rp(new DOMPropertySet());
914             rp->load(child,nullptr,this);
915             rp->setParent(this);
916             m_partyMap[child->getAttributeNS(nullptr,saml2::Attribute::NAME_ATTRIB_NAME)]=rp.release();
917             child = XMLHelper::getNextSiblingElement(child,RelyingParty);
918         }
919 #endif
920
921         // Out of process only, we register a listener endpoint.
922         if (!conf.isEnabled(SPConfig::InProcess)) {
923             ListenerService* listener = sp->getListenerService(false);
924             if (listener) {
925                 string addr=string(getId()) + "::getHeaders::Application";
926                 listener->regListener(addr.c_str(),this);
927             }
928             else
929                 log.info("no ListenerService available, Application remoting disabled");
930         }
931     }
932     catch (exception&) {
933         cleanup();
934         throw;
935     }
936 #ifndef _DEBUG
937     catch (...) {
938         cleanup();
939         throw;
940     }
941 #endif
942 }
943
944 void XMLApplication::cleanup()
945 {
946     ListenerService* listener=getServiceProvider().getListenerService(false);
947     if (listener && SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess) && !SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
948         string addr=string(getId()) + "::getHeaders::Application";
949         listener->unregListener(addr.c_str(),this);
950     }
951     for_each(m_handlers.begin(),m_handlers.end(),xmltooling::cleanup<Handler>());
952     m_handlers.clear();
953 #ifndef SHIBSP_LITE
954     for_each(m_partyMap.begin(),m_partyMap.end(),cleanup_pair<xstring,PropertySet>());
955     m_partyMap.clear();
956     delete m_credResolver;
957     m_credResolver = nullptr;
958     delete m_attrResolver;
959     m_attrResolver = nullptr;
960     delete m_attrFilter;
961     m_attrFilter = nullptr;
962     delete m_attrExtractor;
963     m_attrExtractor = nullptr;
964     delete m_trust;
965     m_trust = nullptr;
966     delete m_metadata;
967     m_metadata = nullptr;
968 #endif
969 }
970
971 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
972 short
973 #else
974 DOMNodeFilter::FilterAction
975 #endif
976 XMLApplication::acceptNode(const DOMNode* node) const
977 {
978     const XMLCh* name=node->getLocalName();
979     if (XMLString::equals(name,ApplicationOverride) ||
980         XMLString::equals(name,_Audience) ||
981         XMLString::equals(name,Notify) ||
982         XMLString::equals(name,_Handler) ||
983         XMLString::equals(name,_AssertionConsumerService) ||
984         XMLString::equals(name,_ArtifactResolutionService) ||
985         XMLString::equals(name,_LogoutInitiator) ||
986         XMLString::equals(name,_ManageNameIDService) ||
987         XMLString::equals(name,_SessionInitiator) ||
988         XMLString::equals(name,_SingleLogoutService) ||
989         XMLString::equals(name,RelyingParty) ||
990         XMLString::equals(name,_MetadataProvider) ||
991         XMLString::equals(name,_TrustEngine) ||
992         XMLString::equals(name,_CredentialResolver) ||
993         XMLString::equals(name,_AttributeFilter) ||
994         XMLString::equals(name,_AttributeExtractor) ||
995         XMLString::equals(name,_AttributeResolver))
996         return FILTER_REJECT;
997
998     return FILTER_ACCEPT;
999 }
1000
1001 #ifndef SHIBSP_LITE
1002
1003 const PropertySet* XMLApplication::getRelyingParty(const EntityDescriptor* provider) const
1004 {
1005     if (!provider)
1006         return this;
1007
1008     map<xstring,PropertySet*>::const_iterator i=m_partyMap.find(provider->getEntityID());
1009     if (i!=m_partyMap.end())
1010         return i->second;
1011     const EntitiesDescriptor* group=dynamic_cast<const EntitiesDescriptor*>(provider->getParent());
1012     while (group) {
1013         if (group->getName()) {
1014             i=m_partyMap.find(group->getName());
1015             if (i!=m_partyMap.end())
1016                 return i->second;
1017         }
1018         group=dynamic_cast<const EntitiesDescriptor*>(group->getParent());
1019     }
1020     return this;
1021 }
1022
1023 const PropertySet* XMLApplication::getRelyingParty(const XMLCh* entityID) const
1024 {
1025     if (!entityID)
1026         return this;
1027
1028     map<xstring,PropertySet*>::const_iterator i=m_partyMap.find(entityID);
1029     if (i!=m_partyMap.end())
1030         return i->second;
1031     return this;
1032 }
1033
1034 #endif
1035
1036 string XMLApplication::getNotificationURL(const char* resource, bool front, unsigned int index) const
1037 {
1038     const vector<string>& locs = front ? m_frontLogout : m_backLogout;
1039     if (locs.empty())
1040         return m_base ? m_base->getNotificationURL(resource, front, index) : string();
1041     else if (index >= locs.size())
1042         return string();
1043
1044 #ifdef HAVE_STRCASECMP
1045     if (!resource || (strncasecmp(resource,"http://",7) && strncasecmp(resource,"https://",8)))
1046 #else
1047     if (!resource || (strnicmp(resource,"http://",7) && strnicmp(resource,"https://",8)))
1048 #endif
1049         throw ConfigurationException("Request URL was not absolute.");
1050
1051     const char* handler=locs[index].c_str();
1052
1053     // Should never happen...
1054     if (!handler || (*handler!='/' && strncmp(handler,"http:",5) && strncmp(handler,"https:",6)))
1055         throw ConfigurationException(
1056             "Invalid Location property ($1) in Notify element for Application ($2)",
1057             params(2, handler ? handler : "null", getId())
1058             );
1059
1060     // The "Location" property can be in one of three formats:
1061     //
1062     // 1) a full URI:       http://host/foo/bar
1063     // 2) a hostless URI:   http:///foo/bar
1064     // 3) a relative path:  /foo/bar
1065     //
1066     // #  Protocol  Host        Path
1067     // 1  handler   handler     handler
1068     // 2  handler   resource    handler
1069     // 3  resource  resource    handler
1070
1071     const char* path = nullptr;
1072
1073     // Decide whether to use the handler or the resource for the "protocol"
1074     const char* prot;
1075     if (*handler != '/') {
1076         prot = handler;
1077     }
1078     else {
1079         prot = resource;
1080         path = handler;
1081     }
1082
1083     // break apart the "protocol" string into protocol, host, and "the rest"
1084     const char* colon=strchr(prot,':');
1085     colon += 3;
1086     const char* slash=strchr(colon,'/');
1087     if (!path)
1088         path = slash;
1089
1090     // Compute the actual protocol and store.
1091     string notifyURL(prot, colon-prot);
1092
1093     // create the "host" from either the colon/slash or from the target string
1094     // If prot == handler then we're in either #1 or #2, else #3.
1095     // If slash == colon then we're in #2.
1096     if (prot != handler || slash == colon) {
1097         colon = strchr(resource, ':');
1098         colon += 3;      // Get past the ://
1099         slash = strchr(colon, '/');
1100     }
1101     string host(colon, (slash ? slash-colon : strlen(colon)));
1102
1103     // Build the URL
1104     notifyURL += host + path;
1105     return notifyURL;
1106 }
1107
1108 void XMLApplication::clearHeader(SPRequest& request, const char* rawname, const char* cginame) const
1109 {
1110     if (!m_attributePrefix.first.empty()) {
1111         string temp = m_attributePrefix.first + rawname;
1112         string temp2 = m_attributePrefix.second + (cginame + 5);
1113         request.clearHeader(temp.c_str(), temp2.c_str());
1114     }
1115     else if (m_base) {
1116         m_base->clearHeader(request, rawname, cginame);
1117     }
1118     else {
1119         request.clearHeader(rawname, cginame);
1120     }
1121 }
1122
1123 void XMLApplication::setHeader(SPRequest& request, const char* name, const char* value) const
1124 {
1125     if (!m_attributePrefix.first.empty()) {
1126         string temp = m_attributePrefix.first + name;
1127         request.setHeader(temp.c_str(), value);
1128     }
1129     else if (m_base) {
1130         m_base->setHeader(request, name, value);
1131     }
1132     else {
1133         request.setHeader(name, value);
1134     }
1135 }
1136
1137 string XMLApplication::getSecureHeader(const SPRequest& request, const char* name) const
1138 {
1139     if (!m_attributePrefix.first.empty()) {
1140         string temp = m_attributePrefix.first + name;
1141         return request.getSecureHeader(temp.c_str());
1142     }
1143     else if (m_base) {
1144         return m_base->getSecureHeader(request,name);
1145     }
1146     else {
1147         return request.getSecureHeader(name);
1148     }
1149 }
1150
1151 const SessionInitiator* XMLApplication::getDefaultSessionInitiator() const
1152 {
1153     if (m_sessionInitDefault) return m_sessionInitDefault;
1154     return m_base ? m_base->getDefaultSessionInitiator() : nullptr;
1155 }
1156
1157 const SessionInitiator* XMLApplication::getSessionInitiatorById(const char* id) const
1158 {
1159     map<string,const SessionInitiator*>::const_iterator i=m_sessionInitMap.find(id);
1160     if (i!=m_sessionInitMap.end()) return i->second;
1161     return m_base ? m_base->getSessionInitiatorById(id) : nullptr;
1162 }
1163
1164 const Handler* XMLApplication::getDefaultAssertionConsumerService() const
1165 {
1166     if (m_acsDefault) return m_acsDefault;
1167     return m_base ? m_base->getDefaultAssertionConsumerService() : nullptr;
1168 }
1169
1170 const Handler* XMLApplication::getAssertionConsumerServiceByIndex(unsigned short index) const
1171 {
1172     map<unsigned int,const Handler*>::const_iterator i=m_acsIndexMap.find(index);
1173     if (i!=m_acsIndexMap.end()) return i->second;
1174     return m_base ? m_base->getAssertionConsumerServiceByIndex(index) : nullptr;
1175 }
1176
1177 const vector<const Handler*>& XMLApplication::getAssertionConsumerServicesByBinding(const XMLCh* binding) const
1178 {
1179     ACSBindingMap::const_iterator i=m_acsBindingMap.find(binding);
1180     if (i!=m_acsBindingMap.end())
1181         return i->second;
1182     return m_base ? m_base->getAssertionConsumerServicesByBinding(binding) : g_noHandlers;
1183 }
1184
1185 const Handler* XMLApplication::getHandler(const char* path) const
1186 {
1187     string wrap(path);
1188     wrap = wrap.substr(0,wrap.find(';'));
1189     map<string,const Handler*>::const_iterator i=m_handlerMap.find(wrap.substr(0,wrap.find('?')));
1190     if (i!=m_handlerMap.end())
1191         return i->second;
1192     return m_base ? m_base->getHandler(path) : nullptr;
1193 }
1194
1195 void XMLApplication::getHandlers(vector<const Handler*>& handlers) const
1196 {
1197     handlers.insert(handlers.end(), m_handlers.begin(), m_handlers.end());
1198     if (m_base) {
1199         for (map<string,const Handler*>::const_iterator h = m_base->m_handlerMap.begin(); h != m_base->m_handlerMap.end(); ++h) {
1200             if (m_handlerMap.count(h->first) == 0)
1201                 handlers.push_back(h->second);
1202         }
1203     }
1204 }
1205
1206 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
1207 short
1208 #else
1209 DOMNodeFilter::FilterAction
1210 #endif
1211 XMLConfigImpl::acceptNode(const DOMNode* node) const
1212 {
1213     if (!XMLString::equals(node->getNamespaceURI(),shibspconstants::SHIB2SPCONFIG_NS))
1214         return FILTER_ACCEPT;
1215     const XMLCh* name=node->getLocalName();
1216     if (XMLString::equals(name,ApplicationDefaults) ||
1217         XMLString::equals(name,_ArtifactMap) ||
1218         XMLString::equals(name,_Extensions) ||
1219         XMLString::equals(name,Listener) ||
1220         XMLString::equals(name,_RequestMapper) ||
1221         XMLString::equals(name,_ReplayCache) ||
1222         XMLString::equals(name,SecurityPolicies) ||
1223         XMLString::equals(name,SecurityPolicyProvider) ||
1224         XMLString::equals(name,_SessionCache) ||
1225         XMLString::equals(name,Site) ||
1226         XMLString::equals(name,_StorageService) ||
1227         XMLString::equals(name,TCPListener) ||
1228         XMLString::equals(name,TransportOption) ||
1229         XMLString::equals(name,UnixListener))
1230         return FILTER_REJECT;
1231
1232     return FILTER_ACCEPT;
1233 }
1234
1235 void XMLConfigImpl::doExtensions(const DOMElement* e, const char* label, Category& log)
1236 {
1237     const DOMElement* exts=XMLHelper::getFirstChildElement(e,_Extensions);
1238     if (exts) {
1239         exts=XMLHelper::getFirstChildElement(exts,Library);
1240         while (exts) {
1241             auto_ptr_char path(exts->getAttributeNS(nullptr,_path));
1242             try {
1243                 if (path.get()) {
1244                     if (!XMLToolingConfig::getConfig().load_library(path.get(),(void*)exts))
1245                         throw ConfigurationException("XMLToolingConfig::load_library failed.");
1246                     log.debug("loaded %s extension library (%s)", label, path.get());
1247                 }
1248             }
1249             catch (exception& e) {
1250                 const XMLCh* fatal=exts->getAttributeNS(nullptr,_fatal);
1251                 if (fatal && (*fatal==chLatin_t || *fatal==chDigit_1)) {
1252                     log.fatal("unable to load mandatory %s extension library %s: %s", label, path.get(), e.what());
1253                     throw;
1254                 }
1255                 else {
1256                     log.crit("unable to load optional %s extension library %s: %s", label, path.get(), e.what());
1257                 }
1258             }
1259             exts=XMLHelper::getNextSiblingElement(exts,Library);
1260         }
1261     }
1262 }
1263
1264 XMLConfigImpl::XMLConfigImpl(const DOMElement* e, bool first, const XMLConfig* outer, Category& log)
1265     : m_requestMapper(nullptr),
1266 #ifndef SHIBSP_LITE
1267         m_policy(nullptr),
1268 #endif
1269         m_outer(outer), m_document(nullptr)
1270 {
1271 #ifdef _DEBUG
1272     xmltooling::NDC ndc("XMLConfigImpl");
1273 #endif
1274
1275     try {
1276         SPConfig& conf=SPConfig::getConfig();
1277 #ifndef SHIBSP_LITE
1278         SAMLConfig& samlConf=SAMLConfig::getConfig();
1279 #endif
1280         XMLToolingConfig& xmlConf=XMLToolingConfig::getConfig();
1281         const DOMElement* SHAR=XMLHelper::getFirstChildElement(e,OutOfProcess);
1282         const DOMElement* SHIRE=XMLHelper::getFirstChildElement(e,InProcess);
1283
1284         // Initialize log4cpp manually in order to redirect log messages as soon as possible.
1285         if (conf.isEnabled(SPConfig::Logging)) {
1286             const XMLCh* logconf=nullptr;
1287             if (conf.isEnabled(SPConfig::OutOfProcess))
1288                 logconf=SHAR->getAttributeNS(nullptr,logger);
1289             else if (conf.isEnabled(SPConfig::InProcess))
1290                 logconf=SHIRE->getAttributeNS(nullptr,logger);
1291             if (!logconf || !*logconf)
1292                 logconf=e->getAttributeNS(nullptr,logger);
1293             if (logconf && *logconf) {
1294                 auto_ptr_char logpath(logconf);
1295                 log.debug("loading new logging configuration from (%s), check log destination for status of configuration",logpath.get());
1296                 if (!XMLToolingConfig::getConfig().log_config(logpath.get()))
1297                     log.crit("failed to load new logging configuration from (%s)", logpath.get());
1298             }
1299
1300 #ifndef SHIBSP_LITE
1301             if (first)
1302                 m_outer->m_tranLog = new TransactionLog();
1303 #endif
1304         }
1305
1306         // Re-log library versions now that logging is set up.
1307         log.info("Shibboleth SP Version %s", PACKAGE_VERSION);
1308 #ifndef SHIBSP_LITE
1309         log.info(
1310             "Library versions: Xerces-C %s, XML-Security-C %s, XMLTooling-C %s, OpenSAML-C %s, Shibboleth %s",
1311             XERCES_FULLVERSIONDOT, XSEC_FULLVERSIONDOT, XMLTOOLING_FULLVERSIONDOT, OPENSAML_FULLVERSIONDOT, SHIBSP_FULLVERSIONDOT
1312             );
1313 #else
1314         log.info(
1315             "Library versions: Xerces-C %s, XMLTooling-C %s, Shibboleth %s",
1316             XERCES_FULLVERSIONDOT, XMLTOOLING_FULLVERSIONDOT, SHIBSP_FULLVERSIONDOT
1317             );
1318 #endif
1319
1320         // First load any property sets.
1321         load(e,nullptr,this);
1322
1323         DOMElement* child;
1324
1325         // Much of the processing can only occur on the first instantiation.
1326         if (first) {
1327             // Set clock skew.
1328             pair<bool,unsigned int> skew=getUnsignedInt("clockSkew");
1329             if (skew.first)
1330                 xmlConf.clock_skew_secs=min(skew.second,(60*60*24*7*28));
1331
1332             pair<bool,const char*> unsafe = getString("unsafeChars");
1333             if (unsafe.first)
1334                 TemplateEngine::unsafe_chars = unsafe.second;
1335
1336             unsafe = getString("allowedSchemes");
1337             if (unsafe.first) {
1338                 HTTPResponse::getAllowedSchemes().clear();
1339                 string schemes=unsafe.second;
1340                 unsigned int j_sch=0;
1341                 for (unsigned int i_sch=0;  i_sch < schemes.length();  i_sch++) {
1342                     if (schemes.at(i_sch)==' ') {
1343                         HTTPResponse::getAllowedSchemes().push_back(schemes.substr(j_sch, i_sch-j_sch));
1344                         j_sch = i_sch + 1;
1345                     }
1346                 }
1347                 HTTPResponse::getAllowedSchemes().push_back(schemes.substr(j_sch, schemes.length()-j_sch));
1348             }
1349
1350             // Extensions
1351             doExtensions(e, "global", log);
1352             if (conf.isEnabled(SPConfig::OutOfProcess))
1353                 doExtensions(SHAR, "out of process", log);
1354
1355             if (conf.isEnabled(SPConfig::InProcess))
1356                 doExtensions(SHIRE, "in process", log);
1357
1358             // Instantiate the ListenerService and SessionCache objects.
1359             if (conf.isEnabled(SPConfig::Listener)) {
1360 #ifdef WIN32
1361                 string plugtype(TCP_LISTENER_SERVICE);
1362 #else
1363                 string plugtype(UNIX_LISTENER_SERVICE);
1364 #endif
1365                 child = XMLHelper::getFirstChildElement(e, UnixListener);
1366                 if (child)
1367                     plugtype = UNIX_LISTENER_SERVICE;
1368                 else {
1369                     child = XMLHelper::getFirstChildElement(e, TCPListener);
1370                     if (child)
1371                         plugtype = TCP_LISTENER_SERVICE;
1372                     else {
1373                         child = XMLHelper::getFirstChildElement(e, Listener);
1374                         if (child) {
1375                             auto_ptr_char type(child->getAttributeNS(nullptr, _type));
1376                             if (type.get() && *type.get())
1377                                 plugtype = type.get();
1378                         }
1379                     }
1380                 }
1381
1382                 log.info("building ListenerService of type %s...", plugtype.c_str());
1383                 m_outer->m_listener = conf.ListenerServiceManager.newPlugin(plugtype.c_str(), child);
1384             }
1385
1386 #ifndef SHIBSP_LITE
1387             if (m_outer->m_listener && conf.isEnabled(SPConfig::OutOfProcess) && !conf.isEnabled(SPConfig::InProcess)) {
1388                 m_outer->m_listener->regListener("set::RelayState", const_cast<XMLConfig*>(m_outer));
1389                 m_outer->m_listener->regListener("get::RelayState", const_cast<XMLConfig*>(m_outer));
1390                 m_outer->m_listener->regListener("set::PostData", const_cast<XMLConfig*>(m_outer));
1391                 m_outer->m_listener->regListener("get::PostData", const_cast<XMLConfig*>(m_outer));
1392             }
1393 #endif
1394
1395             if (conf.isEnabled(SPConfig::Caching)) {
1396                 if (conf.isEnabled(SPConfig::OutOfProcess)) {
1397 #ifndef SHIBSP_LITE
1398                     // First build any StorageServices.
1399                     child=XMLHelper::getFirstChildElement(e,_StorageService);
1400                     while (child) {
1401                         auto_ptr_char id(child->getAttributeNS(nullptr,_id));
1402                         auto_ptr_char type(child->getAttributeNS(nullptr,_type));
1403                         try {
1404                             log.info("building StorageService (%s) of type %s...", id.get(), type.get());
1405                             m_outer->m_storage[id.get()] = xmlConf.StorageServiceManager.newPlugin(type.get(),child);
1406                         }
1407                         catch (exception& ex) {
1408                             log.crit("failed to instantiate StorageService (%s): %s", id.get(), ex.what());
1409                         }
1410                         child=XMLHelper::getNextSiblingElement(child,_StorageService);
1411                     }
1412
1413                     // Replay cache.
1414                     StorageService* replaySS=nullptr;
1415                     child=XMLHelper::getFirstChildElement(e,_ReplayCache);
1416                     if (child) {
1417                         auto_ptr_char ssid(child->getAttributeNS(nullptr,_StorageService));
1418                         if (ssid.get() && *ssid.get()) {
1419                             if (m_outer->m_storage.count(ssid.get()))
1420                                 replaySS = m_outer->m_storage[ssid.get()];
1421                             if (replaySS)
1422                                 log.info("building ReplayCache on top of StorageService (%s)...", ssid.get());
1423                             else
1424                                 log.warn("unable to locate StorageService (%s) for ReplayCache, using dedicated in-memory instance", ssid.get());
1425                         }
1426                         xmlConf.setReplayCache(new ReplayCache(replaySS));
1427                     }
1428                     else {
1429                         log.warn("no ReplayCache built, missing conf:ReplayCache element?");
1430                     }
1431
1432                     // ArtifactMap
1433                     child=XMLHelper::getFirstChildElement(e,_ArtifactMap);
1434                     if (child) {
1435                         auto_ptr_char ssid(child->getAttributeNS(nullptr,_StorageService));
1436                         if (ssid.get() && *ssid.get() && m_outer->m_storage.count(ssid.get())) {
1437                             log.info("building ArtifactMap on top of StorageService (%s)...", ssid.get());
1438                             samlConf.setArtifactMap(new ArtifactMap(child, m_outer->m_storage[ssid.get()]));
1439                         }
1440                     }
1441                     if (samlConf.getArtifactMap()==nullptr) {
1442                         log.info("building in-memory ArtifactMap...");
1443                         samlConf.setArtifactMap(new ArtifactMap(child));
1444                     }
1445 #endif
1446                 }
1447                 child=XMLHelper::getFirstChildElement(e,_SessionCache);
1448                 if (child) {
1449                     auto_ptr_char type(child->getAttributeNS(nullptr,_type));
1450                     log.info("building SessionCache of type %s...",type.get());
1451                     m_outer->m_sessionCache=conf.SessionCacheManager.newPlugin(type.get(), child);
1452                 }
1453                 else {
1454                     log.fatal("can't build SessionCache, missing conf:SessionCache element?");
1455                     throw ConfigurationException("Can't build SessionCache, missing conf:SessionCache element?");
1456                 }
1457             }
1458         } // end of first-time-only stuff
1459
1460         // Back to the fully dynamic stuff...next up is the RequestMapper.
1461         if (conf.isEnabled(SPConfig::RequestMapping)) {
1462             if (child = XMLHelper::getFirstChildElement(e,_RequestMapper)) {
1463                 auto_ptr_char type(child->getAttributeNS(nullptr,_type));
1464                 log.info("building RequestMapper of type %s...",type.get());
1465                 m_requestMapper=conf.RequestMapperManager.newPlugin(type.get(),child);
1466             }
1467             else {
1468                 log.fatal("can't build RequestMapper, missing conf:RequestMapper element?");
1469                 throw ConfigurationException("Can't build RequestMapper, missing conf:RequestMapper element?");
1470             }
1471         }
1472
1473 #ifndef SHIBSP_LITE
1474         // Load security policies.
1475         if (child = XMLHelper::getLastChildElement(e, SecurityPolicyProvider)) {
1476             auto_ptr_char type(child->getAttributeNS(nullptr, _type));
1477             log.info("building SecurityPolicyProvider of type %s...", type.get());
1478             m_policy = conf.SecurityPolicyProviderManager.newPlugin(type.get(), child);
1479         }
1480         else if (child = XMLHelper::getLastChildElement(e, SecurityPolicies)) {
1481             // For backward compatibility, wrap in a plugin element.
1482             DOMElement* polwrapper = e->getOwnerDocument()->createElementNS(nullptr, SecurityPolicyProvider);
1483             polwrapper->appendChild(child);
1484             log.info("building SecurityPolicyProvider of type %s...", XML_SECURITYPOLICY_PROVIDER);
1485             m_policy = conf.SecurityPolicyProviderManager.newPlugin(XML_SECURITYPOLICY_PROVIDER, polwrapper);
1486         }
1487         else {
1488             log.fatal("can't build SecurityPolicyProvider, missing conf:SecurityPolicyProvider element?");
1489             throw ConfigurationException("Can't build SecurityPolicyProvider, missing conf:SecurityPolicyProvider element?");
1490         }
1491
1492         if (first) {
1493 #ifdef SHIBSP_XMLSEC_WHITELISTING
1494             vector<xstring>::const_iterator alg;
1495             if (!m_policy->getAlgorithmBlacklist().empty()) {
1496                 for (alg = m_policy->getAlgorithmBlacklist().begin(); alg != m_policy->getAlgorithmBlacklist().end(); ++alg)
1497                     XSECPlatformUtils::blacklistAlgorithm(alg->c_str());
1498             }
1499             else if (!m_policy->getAlgorithmWhitelist().empty()) {
1500                 for (alg = m_policy->getAlgorithmWhitelist().begin(); alg != m_policy->getAlgorithmWhitelist().end(); ++alg)
1501                     XSECPlatformUtils::whitelistAlgorithm(alg->c_str());
1502             }
1503 #else
1504             log.fatal("XML-Security-C library prior to 1.6.0 does not support algorithm white/blacklists");
1505             throw ConfigurationException("XML-Security-C library prior to 1.6.0 does not support algorithm white/blacklists.");
1506 #endif
1507         }
1508
1509         // Process TransportOption elements.
1510         child = XMLHelper::getLastChildElement(e,TransportOption);
1511         while (child) {
1512             if (child->hasChildNodes()) {
1513                 auto_ptr_char provider(child->getAttributeNS(nullptr,_provider));
1514                 auto_ptr_char option(child->getAttributeNS(nullptr,_option));
1515                 auto_ptr_char value(child->getFirstChild()->getNodeValue());
1516                 if (provider.get() && *provider.get() && option.get() && *option.get() && value.get() && *value.get()) {
1517                     m_transportOptions.push_back(make_pair(string(provider.get()), make_pair(string(option.get()), string(value.get()))));
1518                 }
1519             }
1520             child = XMLHelper::getPreviousSiblingElement(child,TransportOption);
1521         }
1522 #endif
1523
1524         // Load the default application. This actually has a fixed ID of "default". ;-)
1525         child=XMLHelper::getLastChildElement(e,ApplicationDefaults);
1526         if (!child) {
1527             log.fatal("can't build default Application object, missing conf:ApplicationDefaults element?");
1528             throw ConfigurationException("can't build default Application object, missing conf:ApplicationDefaults element?");
1529         }
1530         XMLApplication* defapp=new XMLApplication(m_outer,child);
1531         m_appmap[defapp->getId()]=defapp;
1532
1533         // Load any overrides.
1534         child = XMLHelper::getFirstChildElement(child,ApplicationOverride);
1535         while (child) {
1536             auto_ptr<XMLApplication> iapp(new XMLApplication(m_outer,child,defapp));
1537             if (m_appmap.count(iapp->getId()))
1538                 log.crit("found conf:ApplicationOverride element with duplicate id attribute (%s), skipping it", iapp->getId());
1539             else {
1540                 const char* iappid=iapp->getId();
1541                 m_appmap[iappid]=iapp.release();
1542             }
1543
1544             child = XMLHelper::getNextSiblingElement(child,ApplicationOverride);
1545         }
1546     }
1547     catch (exception&) {
1548         cleanup();
1549         throw;
1550     }
1551 }
1552
1553 XMLConfigImpl::~XMLConfigImpl()
1554 {
1555     cleanup();
1556 }
1557
1558 void XMLConfigImpl::cleanup()
1559 {
1560     for_each(m_appmap.begin(),m_appmap.end(),cleanup_pair<string,Application>());
1561     m_appmap.clear();
1562 #ifndef SHIBSP_LITE
1563     delete m_policy;
1564     m_policy = nullptr;
1565 #endif
1566     delete m_requestMapper;
1567     m_requestMapper = nullptr;
1568     if (m_document)
1569         m_document->release();
1570     m_document = nullptr;
1571 }
1572
1573 #ifndef SHIBSP_LITE
1574 void XMLConfig::receive(DDF& in, ostream& out)
1575 {
1576     if (!strcmp(in.name(), "get::RelayState")) {
1577         const char* id = in["id"].string();
1578         const char* key = in["key"].string();
1579         if (!id || !key)
1580             throw ListenerException("Required parameters missing for RelayState recovery.");
1581
1582         string relayState;
1583         StorageService* storage = getStorageService(id);
1584         if (storage) {
1585             if (storage->readString("RelayState",key,&relayState)>0) {
1586                 if (in["clear"].integer())
1587                     storage->deleteString("RelayState",key);
1588             }
1589         }
1590         else {
1591             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1592                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1593                 );
1594         }
1595
1596         // Repack for return to caller.
1597         DDF ret=DDF(nullptr).unsafe_string(relayState.c_str());
1598         DDFJanitor jret(ret);
1599         out << ret;
1600     }
1601     else if (!strcmp(in.name(), "set::RelayState")) {
1602         const char* id = in["id"].string();
1603         const char* value = in["value"].string();
1604         if (!id || !value)
1605             throw ListenerException("Required parameters missing for RelayState creation.");
1606
1607         string rsKey;
1608         StorageService* storage = getStorageService(id);
1609         if (storage) {
1610             SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
1611             rsKey = SAMLArtifact::toHex(rsKey);
1612             storage->createString("RelayState", rsKey.c_str(), value, time(nullptr) + 600);
1613         }
1614         else {
1615             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1616                 "Storage-backed RelayState with invalid StorageService ID (%s)", id
1617                 );
1618         }
1619
1620         // Repack for return to caller.
1621         DDF ret=DDF(nullptr).string(rsKey.c_str());
1622         DDFJanitor jret(ret);
1623         out << ret;
1624     }
1625     else if (!strcmp(in.name(), "get::PostData")) {
1626         const char* id = in["id"].string();
1627         const char* key = in["key"].string();
1628         if (!id || !key)
1629             throw ListenerException("Required parameters missing for PostData recovery.");
1630
1631         string postData;
1632         StorageService* storage = getStorageService(id);
1633         if (storage) {
1634             if (storage->readString("PostData",key,&postData) > 0) {
1635                 storage->deleteString("PostData",key);
1636             }
1637         }
1638         else {
1639             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1640                 "Storage-backed PostData with invalid StorageService ID (%s)", id
1641                 );
1642         }
1643         // If the data's empty, we'll send nothing back.
1644         // If not, we don't need to round trip it, just send back the serialized DDF list.
1645         if (postData.empty()) {
1646             DDF ret(nullptr);
1647             DDFJanitor jret(ret);
1648             out << ret;
1649         }
1650         else {
1651             out << postData;
1652         }
1653     }
1654     else if (!strcmp(in.name(), "set::PostData")) {
1655         const char* id = in["id"].string();
1656         if (!id || !in["parameters"].islist())
1657             throw ListenerException("Required parameters missing for PostData creation.");
1658
1659         string rsKey;
1660         StorageService* storage = getStorageService(id);
1661         if (storage) {
1662             SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
1663             rsKey = SAMLArtifact::toHex(rsKey);
1664             ostringstream params;
1665             params << in["parameters"];
1666             storage->createString("PostData", rsKey.c_str(), params.str().c_str(), time(nullptr) + 600);
1667         }
1668         else {
1669             Category::getInstance(SHIBSP_LOGCAT".ServiceProvider").error(
1670                 "Storage-backed PostData with invalid StorageService ID (%s)", id
1671                 );
1672         }
1673
1674         // Repack for return to caller.
1675         DDF ret=DDF(nullptr).string(rsKey.c_str());
1676         DDFJanitor jret(ret);
1677         out << ret;
1678     }
1679 }
1680 #endif
1681
1682 pair<bool,DOMElement*> XMLConfig::background_load()
1683 {
1684     // Load from source using base class.
1685     pair<bool,DOMElement*> raw = ReloadableXMLFile::load();
1686
1687     // If we own it, wrap it.
1688     XercesJanitor<DOMDocument> docjanitor(raw.first ? raw.second->getOwnerDocument() : nullptr);
1689
1690     XMLConfigImpl* impl = new XMLConfigImpl(raw.second, (m_impl==nullptr), this, m_log);
1691
1692     // If we held the document, transfer it to the impl. If we didn't, it's a no-op.
1693     impl->setDocument(docjanitor.release());
1694
1695     // Perform the swap inside a lock.
1696     if (m_lock)
1697         m_lock->wrlock();
1698     SharedLock locker(m_lock, false);
1699     delete m_impl;
1700     m_impl = impl;
1701
1702     return make_pair(false,(DOMElement*)nullptr);
1703 }