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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 //******************************************************************************
81 // You probably don't care about much below this line
82 // unless you are using the lower-layer APIs provided by
83 // the shib target library. Go to the end of the file to
84 // find the ShibTarget class -- you probably wnat to use that.
87 class SHIBTARGET_EXPORTS ShibTargetException : public std::exception
90 explicit ShibTargetException() : m_code(SHIBRPC_OK) {}
91 explicit ShibTargetException(ShibRpcStatus code, const char* msg, const shibboleth::IEntityDescriptor* provider);
92 explicit ShibTargetException(ShibRpcStatus code, const char* msg, const shibboleth::IRoleDescriptor* role=NULL);
94 virtual ~ShibTargetException() throw () {}
95 virtual ShibRpcStatus which() const throw () { return m_code; }
96 virtual const char* what() const throw () { return m_msg.c_str(); }
97 virtual const char* syswho() const throw() { return m_providerId.c_str(); }
98 virtual const char* where() const throw () { return m_errorURL.c_str(); }
99 virtual const char* who() const throw () { return m_contact.c_str(); }
100 virtual const char* how() const throw () { return m_email.c_str(); }
103 ShibRpcStatus m_code;
105 std::string m_providerId;
106 std::string m_errorURL;
107 std::string m_contact;
112 class SHIBTARGET_EXPORTS RPCError
116 RPCError(ShibRpcError* e);
117 RPCError(int s, const char* st);
118 RPCError(ShibTargetException &exp);
124 // Return a set of strings that correspond to the error properties
125 const char* getType();
126 const char* getText();
127 const char* getDesc();
128 const char* getProviderId();
129 const char* getErrorURL();
130 const char* getContactName();
131 const char* getContactEmail();
135 RPCErrorPriv* m_priv;
138 // Abstract APIs for access to configuration information
140 struct SHIBTARGET_EXPORTS IPropertySet
142 virtual std::pair<bool,bool> getBool(const char* name, const char* ns=NULL) const=0;
143 virtual std::pair<bool,const char*> getString(const char* name, const char* ns=NULL) const=0;
144 virtual std::pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const=0;
145 virtual std::pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const=0;
146 virtual std::pair<bool,int> getInt(const char* name, const char* ns=NULL) const=0;
147 virtual const IPropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:target:config:1.0") const=0;
148 virtual const DOMElement* getElement() const=0;
149 virtual ~IPropertySet() {}
152 struct SHIBTARGET_EXPORTS IListener : public virtual saml::IPlugIn
155 typedef SOCKET ShibSocket;
157 typedef int ShibSocket;
159 virtual bool create(ShibSocket& s) const=0;
160 virtual bool bind(ShibSocket& s, bool force=false) const=0;
161 virtual bool connect(ShibSocket& s) const=0;
162 virtual bool close(ShibSocket& s) const=0;
163 virtual bool accept(ShibSocket& listener, ShibSocket& s) const=0;
164 virtual CLIENT* getClientHandle(ShibSocket& s, u_long program, u_long version) const=0;
165 virtual ~IListener() {}
168 struct SHIBTARGET_EXPORTS IAccessControl : public virtual saml::ILockable, public virtual saml::IPlugIn
170 virtual bool authorized(
171 const saml::SAMLAuthenticationStatement& authn, const saml::Iterator<saml::SAMLAssertion*>& attrs
173 virtual ~IAccessControl() {}
176 struct SHIBTARGET_EXPORTS IRequestMapper : public virtual saml::ILockable, public virtual saml::IPlugIn
178 typedef std::pair<const IPropertySet*,IAccessControl*> Settings;
179 virtual Settings getSettingsFromURL(const char* url) const=0;
180 virtual Settings getSettingsFromParsedURL(
181 const char* scheme, const char* hostname, unsigned int port, const char* path=NULL
183 virtual ~IRequestMapper() {}
186 struct SHIBTARGET_EXPORTS IApplication : public virtual IPropertySet
188 virtual const char* getId() const=0;
189 virtual saml::Iterator<saml::SAMLAttributeDesignator*> getAttributeDesignators() const=0;
190 virtual saml::Iterator<shibboleth::IAAP*> getAAPProviders() const=0;
191 virtual saml::Iterator<shibboleth::IMetadata*> getMetadataProviders() const=0;
192 virtual saml::Iterator<shibboleth::ITrust*> getTrustProviders() const=0;
193 virtual saml::Iterator<shibboleth::IRevocation*> getRevocationProviders() const=0;
194 virtual saml::Iterator<const XMLCh*> getAudiences() const=0;
195 virtual const IPropertySet* getCredentialUse(const shibboleth::IEntityDescriptor* provider) const=0;
197 // caller is borrowing object, must use within scope of config lock
198 virtual const saml::SAMLBrowserProfile* getBrowserProfile() const=0;
199 virtual const saml::SAMLBinding* getBinding(const XMLCh* binding) const=0;
201 // caller is given ownership of object, must use and delete within scope of config lock
202 virtual saml::SAMLBrowserProfile::ArtifactMapper* getArtifactMapper() const=0;
204 virtual ~IApplication() {}
207 struct SHIBTARGET_EXPORTS ISessionCacheEntry : public virtual saml::ILockable
209 virtual bool isValid(time_t lifetime, time_t timeout) const=0;
210 virtual const char* getClientAddress() const=0;
211 virtual const saml::SAMLAuthenticationStatement* getAuthnStatement() const=0;
212 virtual saml::Iterator<saml::SAMLAssertion*> getAssertions()=0;
213 virtual ~ISessionCacheEntry() {}
216 struct SHIBTARGET_EXPORTS ISessionCache : public virtual saml::IPlugIn
218 virtual void thread_init()=0;
219 virtual void thread_end()=0;
220 virtual std::string generateKey() const=0;
223 const IApplication* application,
224 saml::SAMLAuthenticationStatement *s,
225 const char* client_addr,
226 saml::SAMLResponse* r=NULL,
227 const shibboleth::IRoleDescriptor* source=NULL
229 virtual ISessionCacheEntry* find(const char* key, const IApplication* application)=0;
230 virtual void remove(const char* key)=0;
231 virtual ~ISessionCache() {}
234 struct SHIBTARGET_EXPORTS IConfig : public virtual saml::ILockable, public virtual IPropertySet, public virtual saml::IPlugIn
236 virtual const IListener* getListener() const=0;
237 virtual ISessionCache* getSessionCache() const=0;
238 virtual saml::IReplayCache* getReplayCache() const=0;
239 virtual IRequestMapper* getRequestMapper() const=0;
240 virtual const IApplication* getApplication(const char* applicationId) const=0;
241 virtual saml::Iterator<shibboleth::ICredentials*> getCredentialsProviders() const=0;
242 virtual ~IConfig() {}
245 class SHIBTARGET_EXPORTS ShibTargetConfig
248 ShibTargetConfig() : m_ini(NULL), m_features(0) {}
249 virtual ~ShibTargetConfig() {}
251 virtual bool init(const char* schemadir, const char* config) = 0;
252 virtual void shutdown() = 0;
262 GlobalExtensions = 128,
263 LocalExtensions = 256,
266 void setFeatures(long enabled) {m_features = enabled;}
267 bool isEnabled(components_t feature) {return (m_features & feature)>0;}
268 virtual IConfig* getINI() const {return m_ini;}
270 static const XMLCh SHIBTARGET_NS[];
271 static ShibTargetConfig& getConfig();
277 unsigned long m_features;
281 class SHIBTARGET_EXPORTS ShibMLP {
286 void insert (const std::string& key, const std::string& value);
287 void insert (const std::string& key, const char* value) {
288 std::string v = value;
291 void insert (const char* key, const std::string& value) {
295 void insert (const char* key, const char* value) {
296 std::string k = key, v = value;
299 void insert (RPCError& e);
301 void clear () { m_map.clear(); }
303 const char* run (std::istream& s, const IPropertySet* props=NULL, std::string* output=NULL);
304 const char* run (const std::string& input, const IPropertySet* props=NULL, std::string* output=NULL);
305 const char* run (const char* input, const IPropertySet* props=NULL, std::string* output=NULL) {
306 std::string i = input;
307 return run(i,props,output);
312 std::map<std::string,std::string> m_map;
313 std::string m_generated;
316 //******************************************************************************
318 // This is the interface you're looking for.
326 std::vector<std::string> tokens;
331 for (int k = 0; k < elements.size(); k++)
336 std::vector<RequireLine*> elements;
342 virtual ~HTGroupTable() {}
343 virtual bool lookup(const char *entry) = 0;
348 // This usurps the existing SHIRE and RM apis into a single class.
349 class ShibTargetPriv;
350 class SHIBTARGET_EXPORTS ShibTarget {
352 ShibTarget(const IApplication *app);
353 virtual ~ShibTarget(void);
355 // These are defined here so the subclass does not need to specifically
356 // depend on log4cpp. We could use log4cpp::Priority::PriorityLevel
357 // but this is just as easy, IMHO. It's just a case statement in the
358 // implementation to handle the event level.
367 // Note: subclasses MUST implement ALL of these virtual methods
370 // Send a message to the Webserver log
371 virtual void log(ShibLogLevel level, const std::string &msg)=0;
373 void log(ShibLogLevel level, const char *msg) {
378 // Get/Set a cookie for this connection
379 virtual std::string getCookies(void)=0;
380 virtual void setCookie(const std::string &name, const std::string &value)=0;
382 void setCookie(const char *name, const char *value) {
383 std::string ns = name;
384 std::string vs = value;
387 void setCookie(const char *name, const std::string &value) {
388 std::string ns = name;
389 setCookie(ns, value);
393 // Get the request's GET arguments or POST data from the server
394 virtual std::string getArgs(void)=0;
395 virtual std::string getPostData(void)=0;
397 // Clear a header, set a header
398 // These APIs are used for exporting the Assertions into the
399 // Headers. It will clear some well-known headers first to make
400 // sure none remain. Then it will process the set of assertions
401 // and export them via setHeader().
402 virtual void clearHeader(const std::string &name)=0;
403 virtual void setHeader(const std::string &name, const std::string &value)=0;
404 virtual std::string getHeader(const std::string &name)=0;
405 virtual void setRemoteUser(const std::string &user)=0;
406 virtual std::string getRemoteUser(void)=0;
408 void clearHeader(const char *n) {
412 void setHeader(const char *n, const char *v) {
417 void setHeader(const std::string &n, const char *v) {
421 void setHeader(const char *n, const std::string &v) {
425 std::string getHeader(const char *n) {
429 void setRemoteUser(const char *n) {
434 // returns the "auth type".. if this string is not "shibboleth" then
435 // the request will be denied. Any kind of "override" should be handled
436 // by the subclass before returning this value. Note that the default
437 // implementation always returns "shibboleth".
438 virtual std::string getAuthType(void);
440 // Note: we still need to define exactly what kind of data in contained
441 // in the HTAccessInfo -- perhaps we can stub it out so non-htaccess
442 // systems have something they can plug in?
443 virtual HTAccessInfo* getAccessInfo(void);
444 virtual HTGroupTable* getGroupTable(std::string &user);
446 // We're done. Finish up. Send either a result (error?) page or a redirect.
447 // If there are no headers supplied assume the content-type == text/html
448 typedef std::pair<std::string, std::string> header_t;
449 virtual void* sendPage(
450 const std::string &msg,
451 const std::string content_type = "text/html",
452 const saml::Iterator<header_t>& headers = EMPTY(header_t),
455 void* sendPage(const char *msg) {
460 virtual void* sendRedirect(const std::string url)=0;
462 // These next two APIs are used to obtain the module-specific "OK"
463 // and "Decline" results. OK means "we believe that this request
464 // should be accepted". Declined means "we believe that this is
465 // not a shibbolized request so we have no comment".
467 virtual void* returnDecline(void);
468 virtual void* returnOK(void);
471 // Note: Subclasses need not implement anything below this line
474 // These functions implement the server-agnostic shibboleth engine
475 // The web server modules implement a subclass and then call into
476 // these methods once they instantiate their request object.
479 // these APIs will always return the result of sendPage(), sendRedirect(),
480 // returnDecline(), or returnOK() in the void* portion of the return code.
481 // Exactly what those values are is module- (subclass-) implementation
482 // specific. The 'bool' part of the return value declares whether the
483 // void* is valid or not. If the bool is true then the void* is valid.
484 // If the bool is false then the API did not call any callback, the void*
485 // is not valid, and the caller should continue processing (the API Call
486 // finished successfully).
488 // The arguments are all overrides.. The requireSession and
489 // exportAssertion values passed in here are only used if the
490 // settings resource is negative.
492 // The handleProfile argument declares whether doCheckAuthN() should
493 // automatically call doHandlePOST() when it encounters a request for
494 // the ShireURL; if false it will call returnOK() instead.
496 std::pair<bool,void*> doCheckAuthN(bool requireSession = false, bool handleProfile = false);
497 std::pair<bool,void*> doHandleProfile();
498 std::pair<bool,void*> doCheckAuthZ();
499 std::pair<bool,void*> doExportAssertions(bool exportAssertion = false);
501 //**************************************************************************
502 // These APIs are for backwards-compatibility. Hopefully they can
503 // eventually go away.
507 // Get the session cookie name and properties for the application
508 std::pair<const char*,const char*> getCookieNameProps() const;
510 // Find the default assertion consumer service for the resource
511 const char* getShireURL(const char* resource) const;
513 // Generate a Shib 1.x AuthnRequest redirect URL for the resource
514 const char* getAuthnRequest(const char* resource) const;
516 // Process a lazy session setup request and turn it into an AuthnRequest
517 const char* getLazyAuthnRequest(const char* query_string) const;
522 // Currently wraps remoted interface.
523 // TODO: Move this functionality behind ISessionCache
524 RPCError* sessionNew(
531 RPCError* sessionGet(
534 std::vector<saml::SAMLAssertion*>& assertions,
535 saml::SAMLAuthenticationStatement **statement = NULL
538 // Initialize the request from the parsed URL
539 // protocol == http, https, etc
540 // hostname == server name
541 // port == server port
542 // uri == resource path
543 // method == GET, POST, etc.
544 void init(ShibTargetConfig *config,
545 std::string protocol, std::string hostname, int port,
546 std::string uri, std::string content_type, std::string remote_host,
550 mutable ShibTargetPriv *m_priv;
554 #endif /* SHIB_TARGET_H */