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51 * shib-target.h -- top-level header file for the SHIB Common Target Library
53 * Created by: Derek Atkins <derek@ihtfp.com>
61 #include <saml/saml.h>
62 #include <shib/shib.h>
63 #include <shib/shib-threads.h>
66 # ifndef SHIBTARGET_EXPORTS
67 # define SHIBTARGET_EXPORTS __declspec(dllimport)
69 # define SHIB_SCHEMAS "/opt/shibboleth/share/xml/shibboleth"
70 # define SHIB_CONFIG "/opt/shibboleth/etc/shibboleth/shibboleth.xml"
72 # include <shib-target/shib-paths.h>
73 # define SHIBTARGET_EXPORTS
76 #include <shib-target/shibrpc.h>
78 namespace shibtarget {
80 DECLARE_SAML_EXCEPTION(SHIBTARGET_EXPORTS,ListenerException,SAMLException);
82 // Abstract APIs for access to configuration information
84 struct SHIBTARGET_EXPORTS IPropertySet
86 virtual std::pair<bool,bool> getBool(const char* name, const char* ns=NULL) const=0;
87 virtual std::pair<bool,const char*> getString(const char* name, const char* ns=NULL) const=0;
88 virtual std::pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const=0;
89 virtual std::pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const=0;
90 virtual std::pair<bool,int> getInt(const char* name, const char* ns=NULL) const=0;
91 virtual const IPropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:target:config:1.0") const=0;
92 virtual const DOMElement* getElement() const=0;
93 virtual ~IPropertySet() {}
96 struct SHIBTARGET_EXPORTS IListener : public virtual saml::IPlugIn
99 typedef SOCKET ShibSocket;
101 typedef int ShibSocket;
103 virtual bool create(ShibSocket& s) const=0;
104 virtual bool bind(ShibSocket& s, bool force=false) const=0;
105 virtual bool connect(ShibSocket& s) const=0;
106 virtual bool close(ShibSocket& s) const=0;
107 virtual bool accept(ShibSocket& listener, ShibSocket& s) const=0;
108 virtual CLIENT* getClientHandle(ShibSocket& s, u_long program, u_long version) const=0;
109 virtual ~IListener() {}
112 struct SHIBTARGET_EXPORTS IAccessControl : public virtual saml::ILockable, public virtual saml::IPlugIn
114 virtual bool authorized(
115 const saml::SAMLAuthenticationStatement& authn, const saml::Iterator<saml::SAMLAssertion*>& attrs
117 virtual ~IAccessControl() {}
120 struct SHIBTARGET_EXPORTS IRequestMapper : public virtual saml::ILockable, public virtual saml::IPlugIn
122 typedef std::pair<const IPropertySet*,IAccessControl*> Settings;
123 virtual Settings getSettingsFromURL(const char* url) const=0;
124 virtual Settings getSettingsFromParsedURL(
125 const char* scheme, const char* hostname, unsigned int port, const char* path=NULL
127 virtual ~IRequestMapper() {}
130 struct SHIBTARGET_EXPORTS IApplication : public virtual IPropertySet
132 virtual const char* getId() const=0;
133 virtual const char* getHash() const=0;
134 virtual saml::Iterator<saml::SAMLAttributeDesignator*> getAttributeDesignators() const=0;
135 virtual saml::Iterator<shibboleth::IAAP*> getAAPProviders() const=0;
136 virtual saml::Iterator<shibboleth::IMetadata*> getMetadataProviders() const=0;
137 virtual saml::Iterator<shibboleth::ITrust*> getTrustProviders() const=0;
138 virtual saml::Iterator<shibboleth::IRevocation*> getRevocationProviders() const=0;
139 virtual saml::Iterator<const XMLCh*> getAudiences() const=0;
140 virtual const IPropertySet* getCredentialUse(const shibboleth::IEntityDescriptor* provider) const=0;
142 // caller is borrowing object, must use within scope of config lock
143 virtual const saml::SAMLBrowserProfile* getBrowserProfile() const=0;
144 virtual const saml::SAMLBinding* getBinding(const XMLCh* binding) const=0;
146 // caller is given ownership of object, must use and delete within scope of config lock
147 virtual saml::SAMLBrowserProfile::ArtifactMapper* getArtifactMapper() const=0;
149 virtual ~IApplication() {}
152 struct SHIBTARGET_EXPORTS ISessionCacheEntry : public virtual saml::ILockable
154 virtual bool isValid(time_t lifetime, time_t timeout) const=0;
155 virtual const char* getClientAddress() const=0;
156 virtual ShibProfile getProfile() const=0;
157 virtual const char* getProviderId() const=0;
158 virtual const saml::SAMLAuthenticationStatement* getAuthnStatement() const=0;
159 struct SHIBTARGET_EXPORTS CachedResponse {
160 CachedResponse(const saml::SAMLResponse* unfiltered, const saml::SAMLResponse* filtered) {
161 this->unfiltered=unfiltered;
162 this->filtered=filtered;
164 bool empty() {return unfiltered==NULL;}
165 const saml::SAMLResponse* unfiltered;
166 const saml::SAMLResponse* filtered;
168 virtual CachedResponse getResponse()=0;
169 virtual ~ISessionCacheEntry() {}
172 struct SHIBTARGET_EXPORTS ISessionCache : public virtual saml::IPlugIn
174 virtual void thread_init()=0;
175 virtual void thread_end()=0;
176 virtual std::string generateKey() const=0;
179 const IApplication* application,
180 const char* client_addr,
182 const char* providerId,
183 saml::SAMLAuthenticationStatement* s,
184 saml::SAMLResponse* r=NULL,
185 const shibboleth::IRoleDescriptor* source=NULL,
189 virtual ISessionCacheEntry* find(const char* key, const IApplication* application)=0;
190 virtual void remove(const char* key)=0;
191 virtual ~ISessionCache() {}
194 struct SHIBTARGET_EXPORTS IConfig : public virtual saml::ILockable, public virtual IPropertySet, public virtual saml::IPlugIn
196 virtual const IListener* getListener() const=0;
197 virtual ISessionCache* getSessionCache() const=0;
198 virtual saml::IReplayCache* getReplayCache() const=0;
199 virtual IRequestMapper* getRequestMapper() const=0;
200 virtual const IApplication* getApplication(const char* applicationId) const=0;
201 virtual saml::Iterator<shibboleth::ICredentials*> getCredentialsProviders() const=0;
202 virtual ~IConfig() {}
205 class SHIBTARGET_EXPORTS ShibTargetConfig
208 ShibTargetConfig() : m_ini(NULL), m_features(0) {}
209 virtual ~ShibTargetConfig() {}
211 virtual bool init(const char* schemadir, const char* config) = 0;
212 virtual void shutdown() = 0;
222 GlobalExtensions = 128,
223 LocalExtensions = 256,
226 void setFeatures(long enabled) {m_features = enabled;}
227 bool isEnabled(components_t feature) {return (m_features & feature)>0;}
228 virtual IConfig* getINI() const {return m_ini;}
230 static const XMLCh SHIBTARGET_NS[];
231 static ShibTargetConfig& getConfig();
237 unsigned long m_features;
241 class SHIBTARGET_EXPORTS ShibMLP {
246 void insert (const std::string& key, const std::string& value);
247 void insert (const std::string& key, const char* value) {
248 std::string v = value;
251 void insert (const char* key, const std::string& value) {
255 void insert (const char* key, const char* value) {
256 std::string k = key, v = value;
259 void insert (saml::SAMLException& e);
261 void clear () { m_map.clear(); }
263 const char* run (std::istream& s, const IPropertySet* props=NULL, std::string* output=NULL);
264 const char* run (const std::string& input, const IPropertySet* props=NULL, std::string* output=NULL);
265 const char* run (const char* input, const IPropertySet* props=NULL, std::string* output=NULL) {
266 std::string i = input;
267 return run(i,props,output);
272 std::map<std::string,std::string> m_map;
273 std::string m_generated;
281 std::vector<std::string> tokens;
286 for (int k = 0; k < elements.size(); k++)
291 std::vector<RequireLine*> elements;
297 virtual ~HTGroupTable() {}
298 virtual bool lookup(const char *entry) = 0;
303 // This usurps the existing SHIRE and RM apis into a single class.
304 class ShibTargetPriv;
305 class SHIBTARGET_EXPORTS ShibTarget {
307 ShibTarget(const IApplication *app);
308 virtual ~ShibTarget(void);
310 // These are defined here so the subclass does not need to specifically
311 // depend on log4cpp. We could use log4cpp::Priority::PriorityLevel
312 // but this is just as easy, IMHO. It's just a case statement in the
313 // implementation to handle the event level.
322 // Note: subclasses MUST implement ALL of these virtual methods
325 // Send a message to the Webserver log
326 virtual void log(ShibLogLevel level, const std::string &msg)=0;
328 void log(ShibLogLevel level, const char *msg) {
333 // Get/Set a cookie for this connection
334 virtual std::string getCookies(void)=0;
335 virtual void setCookie(const std::string &name, const std::string &value)=0;
336 void setCookie(const char *name, const char *value) {
337 std::string ns = name;
338 std::string vs = value;
341 void setCookie(const char *name, const std::string &value) {
342 std::string ns = name;
343 setCookie(ns, value);
347 // Get the request's GET arguments or POST data from the server
348 virtual std::string getArgs(void)=0;
349 virtual std::string getPostData(void)=0;
351 // Clear a header, set a header
352 // These APIs are used for exporting the Assertions into the
353 // Headers. It will clear some well-known headers first to make
354 // sure none remain. Then it will process the set of assertions
355 // and export them via setHeader().
356 virtual void clearHeader(const std::string &name)=0;
357 virtual void setHeader(const std::string &name, const std::string &value)=0;
358 virtual std::string getHeader(const std::string &name)=0;
359 virtual void setRemoteUser(const std::string &user)=0;
360 virtual std::string getRemoteUser(void)=0;
362 void clearHeader(const char *n) {
366 void setHeader(const char *n, const char *v) {
371 void setHeader(const std::string &n, const char *v) {
375 void setHeader(const char *n, const std::string &v) {
379 std::string getHeader(const char *n) {
383 void setRemoteUser(const char *n) {
388 // returns the "auth type".. if this string is not "shibboleth" then
389 // the request will be denied. Any kind of "override" should be handled
390 // by the subclass before returning this value. Note that the default
391 // implementation always returns "shibboleth".
392 virtual std::string getAuthType(void);
394 // Note: we still need to define exactly what kind of data in contained
395 // in the HTAccessInfo -- perhaps we can stub it out so non-htaccess
396 // systems have something they can plug in?
397 virtual HTAccessInfo* getAccessInfo(void);
398 virtual HTGroupTable* getGroupTable(std::string &user);
400 // We're done. Finish up. Send either a result (error?) page or a redirect.
401 // If there are no headers supplied assume the content-type == text/html
402 typedef std::pair<std::string, std::string> header_t;
403 virtual void* sendPage(
404 const std::string &msg,
405 const std::string content_type = "text/html",
406 const saml::Iterator<header_t>& headers = EMPTY(header_t),
409 void* sendPage(const char *msg) {
414 virtual void* sendRedirect(const std::string url)=0;
416 // These next two APIs are used to obtain the module-specific "OK"
417 // and "Decline" results. OK means "we believe that this request
418 // should be accepted". Declined means "we believe that this is
419 // not a shibbolized request so we have no comment".
421 virtual void* returnDecline(void);
422 virtual void* returnOK(void);
425 // Note: Subclasses need not implement anything below this line
428 // These functions implement the server-agnostic shibboleth engine
429 // The web server modules implement a subclass and then call into
430 // these methods once they instantiate their request object.
433 // these APIs will always return the result of sendPage(), sendRedirect(),
434 // returnDecline(), or returnOK() in the void* portion of the return code.
435 // Exactly what those values are is module- (subclass-) implementation
436 // specific. The 'bool' part of the return value declares whether the
437 // void* is valid or not. If the bool is true then the void* is valid.
438 // If the bool is false then the API did not call any callback, the void*
439 // is not valid, and the caller should continue processing (the API Call
440 // finished successfully).
442 // The arguments are all overrides.. The requireSession and
443 // exportAssertion values passed in here are only used if the
444 // settings resource is negative.
446 // The handleProfile argument declares whether doCheckAuthN() should
447 // automatically call doHandlePOST() when it encounters a request for
448 // the ShireURL; if false it will call returnOK() instead.
450 std::pair<bool,void*> doCheckAuthN(bool requireSession = false, bool handleProfile = false);
451 std::pair<bool,void*> doHandleProfile();
452 std::pair<bool,void*> doCheckAuthZ();
453 std::pair<bool,void*> doExportAssertions(bool exportAssertion = false);
455 //**************************************************************************
456 // These APIs are for backwards-compatibility. Hopefully they can
457 // eventually go away.
461 // Get the session cookie name and properties for the application
462 std::pair<std::string,const char*> getCookieNameProps(const char* prefix) const;
464 // Find the default assertion consumer service for the resource
465 const char* getShireURL(const char* resource) const;
467 // Generate a Shib 1.x AuthnRequest redirect URL for the resource
468 std::string getAuthnRequest(const char* resource);
470 // Process a lazy session setup request and turn it into an AuthnRequest
471 std::string getLazyAuthnRequest(const char* query_string);
476 // Currently wraps remoted interface.
477 // TODO: Move this functionality behind IListener
479 int supported_profiles,
489 ShibProfile& profile,
490 std::string& provider_id,
491 saml::SAMLAuthenticationStatement** auth_statement=NULL,
492 saml::SAMLResponse** attr_response_pre=NULL,
493 saml::SAMLResponse** attr_response_post=NULL
496 // Initialize the request from the parsed URL
497 // protocol == http, https, etc
498 // hostname == server name
499 // port == server port
500 // uri == resource path
501 // method == GET, POST, etc.
502 void init(ShibTargetConfig *config,
503 std::string protocol, std::string hostname, int port,
504 std::string uri, std::string content_type, std::string remote_host,
508 mutable ShibTargetPriv *m_priv;
512 #endif /* SHIB_TARGET_H */