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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 ShibProfile getProfile() const=0;
212 virtual const char* getProviderId() const=0;
213 virtual const saml::SAMLAuthenticationStatement* getAuthnStatement() const=0;
214 virtual const saml::SAMLResponse* getResponse(bool filtered=true)=0;
215 virtual ~ISessionCacheEntry() {}
218 struct SHIBTARGET_EXPORTS ISessionCache : public virtual saml::IPlugIn
220 virtual void thread_init()=0;
221 virtual void thread_end()=0;
222 virtual std::string generateKey() const=0;
225 const IApplication* application,
226 const char* client_addr,
228 const char* providerId,
229 saml::SAMLAuthenticationStatement* s,
230 saml::SAMLResponse* r=NULL,
231 const shibboleth::IRoleDescriptor* source=NULL
233 virtual ISessionCacheEntry* find(const char* key, const IApplication* application)=0;
234 virtual void remove(const char* key)=0;
235 virtual ~ISessionCache() {}
238 struct SHIBTARGET_EXPORTS IConfig : public virtual saml::ILockable, public virtual IPropertySet, public virtual saml::IPlugIn
240 virtual const IListener* getListener() const=0;
241 virtual ISessionCache* getSessionCache() const=0;
242 virtual saml::IReplayCache* getReplayCache() const=0;
243 virtual IRequestMapper* getRequestMapper() const=0;
244 virtual const IApplication* getApplication(const char* applicationId) const=0;
245 virtual saml::Iterator<shibboleth::ICredentials*> getCredentialsProviders() const=0;
246 virtual ~IConfig() {}
249 class SHIBTARGET_EXPORTS ShibTargetConfig
252 ShibTargetConfig() : m_ini(NULL), m_features(0) {}
253 virtual ~ShibTargetConfig() {}
255 virtual bool init(const char* schemadir, const char* config) = 0;
256 virtual void shutdown() = 0;
266 GlobalExtensions = 128,
267 LocalExtensions = 256,
270 void setFeatures(long enabled) {m_features = enabled;}
271 bool isEnabled(components_t feature) {return (m_features & feature)>0;}
272 virtual IConfig* getINI() const {return m_ini;}
274 static const XMLCh SHIBTARGET_NS[];
275 static ShibTargetConfig& getConfig();
281 unsigned long m_features;
285 class SHIBTARGET_EXPORTS ShibMLP {
290 void insert (const std::string& key, const std::string& value);
291 void insert (const std::string& key, const char* value) {
292 std::string v = value;
295 void insert (const char* key, const std::string& value) {
299 void insert (const char* key, const char* value) {
300 std::string k = key, v = value;
303 void insert (RPCError& e);
305 void clear () { m_map.clear(); }
307 const char* run (std::istream& s, const IPropertySet* props=NULL, std::string* output=NULL);
308 const char* run (const std::string& input, const IPropertySet* props=NULL, std::string* output=NULL);
309 const char* run (const char* input, const IPropertySet* props=NULL, std::string* output=NULL) {
310 std::string i = input;
311 return run(i,props,output);
316 std::map<std::string,std::string> m_map;
317 std::string m_generated;
320 //******************************************************************************
322 // This is the interface you're looking for.
330 std::vector<std::string> tokens;
335 for (int k = 0; k < elements.size(); k++)
340 std::vector<RequireLine*> elements;
346 virtual ~HTGroupTable() {}
347 virtual bool lookup(const char *entry) = 0;
352 // This usurps the existing SHIRE and RM apis into a single class.
353 class ShibTargetPriv;
354 class SHIBTARGET_EXPORTS ShibTarget {
356 ShibTarget(const IApplication *app);
357 virtual ~ShibTarget(void);
359 // These are defined here so the subclass does not need to specifically
360 // depend on log4cpp. We could use log4cpp::Priority::PriorityLevel
361 // but this is just as easy, IMHO. It's just a case statement in the
362 // implementation to handle the event level.
371 // Note: subclasses MUST implement ALL of these virtual methods
374 // Send a message to the Webserver log
375 virtual void log(ShibLogLevel level, const std::string &msg)=0;
377 void log(ShibLogLevel level, const char *msg) {
382 // Get/Set a cookie for this connection
383 virtual std::string getCookies(void)=0;
384 virtual void setCookie(const std::string &name, const std::string &value)=0;
386 void setCookie(const char *name, const char *value) {
387 std::string ns = name;
388 std::string vs = value;
391 void setCookie(const char *name, const std::string &value) {
392 std::string ns = name;
393 setCookie(ns, value);
397 // Get the request's GET arguments or POST data from the server
398 virtual std::string getArgs(void)=0;
399 virtual std::string getPostData(void)=0;
401 // Clear a header, set a header
402 // These APIs are used for exporting the Assertions into the
403 // Headers. It will clear some well-known headers first to make
404 // sure none remain. Then it will process the set of assertions
405 // and export them via setHeader().
406 virtual void clearHeader(const std::string &name)=0;
407 virtual void setHeader(const std::string &name, const std::string &value)=0;
408 virtual std::string getHeader(const std::string &name)=0;
409 virtual void setRemoteUser(const std::string &user)=0;
410 virtual std::string getRemoteUser(void)=0;
412 void clearHeader(const char *n) {
416 void setHeader(const char *n, const char *v) {
421 void setHeader(const std::string &n, const char *v) {
425 void setHeader(const char *n, const std::string &v) {
429 std::string getHeader(const char *n) {
433 void setRemoteUser(const char *n) {
438 // returns the "auth type".. if this string is not "shibboleth" then
439 // the request will be denied. Any kind of "override" should be handled
440 // by the subclass before returning this value. Note that the default
441 // implementation always returns "shibboleth".
442 virtual std::string getAuthType(void);
444 // Note: we still need to define exactly what kind of data in contained
445 // in the HTAccessInfo -- perhaps we can stub it out so non-htaccess
446 // systems have something they can plug in?
447 virtual HTAccessInfo* getAccessInfo(void);
448 virtual HTGroupTable* getGroupTable(std::string &user);
450 // We're done. Finish up. Send either a result (error?) page or a redirect.
451 // If there are no headers supplied assume the content-type == text/html
452 typedef std::pair<std::string, std::string> header_t;
453 virtual void* sendPage(
454 const std::string &msg,
455 const std::string content_type = "text/html",
456 const saml::Iterator<header_t>& headers = EMPTY(header_t),
459 void* sendPage(const char *msg) {
464 virtual void* sendRedirect(const std::string url)=0;
466 // These next two APIs are used to obtain the module-specific "OK"
467 // and "Decline" results. OK means "we believe that this request
468 // should be accepted". Declined means "we believe that this is
469 // not a shibbolized request so we have no comment".
471 virtual void* returnDecline(void);
472 virtual void* returnOK(void);
475 // Note: Subclasses need not implement anything below this line
478 // These functions implement the server-agnostic shibboleth engine
479 // The web server modules implement a subclass and then call into
480 // these methods once they instantiate their request object.
483 // these APIs will always return the result of sendPage(), sendRedirect(),
484 // returnDecline(), or returnOK() in the void* portion of the return code.
485 // Exactly what those values are is module- (subclass-) implementation
486 // specific. The 'bool' part of the return value declares whether the
487 // void* is valid or not. If the bool is true then the void* is valid.
488 // If the bool is false then the API did not call any callback, the void*
489 // is not valid, and the caller should continue processing (the API Call
490 // finished successfully).
492 // The arguments are all overrides.. The requireSession and
493 // exportAssertion values passed in here are only used if the
494 // settings resource is negative.
496 // The handleProfile argument declares whether doCheckAuthN() should
497 // automatically call doHandlePOST() when it encounters a request for
498 // the ShireURL; if false it will call returnOK() instead.
500 std::pair<bool,void*> doCheckAuthN(bool requireSession = false, bool handleProfile = false);
501 std::pair<bool,void*> doHandleProfile();
502 std::pair<bool,void*> doCheckAuthZ();
503 std::pair<bool,void*> doExportAssertions(bool exportAssertion = false);
505 //**************************************************************************
506 // These APIs are for backwards-compatibility. Hopefully they can
507 // eventually go away.
511 // Get the session cookie name and properties for the application
512 std::pair<const char*,const char*> getCookieNameProps() const;
514 // Find the default assertion consumer service for the resource
515 const char* getShireURL(const char* resource) const;
517 // Generate a Shib 1.x AuthnRequest redirect URL for the resource
518 const char* getAuthnRequest(const char* resource) const;
520 // Process a lazy session setup request and turn it into an AuthnRequest
521 const char* getLazyAuthnRequest(const char* query_string) const;
526 // Currently wraps remoted interface.
527 // TODO: Move this functionality behind ISessionCache
534 RPCError* sessionNew(
535 int supported_profiles,
537 const char* statemgr_cookie,
541 std::string& statemgr_packet
544 RPCError* sessionGet(
547 ShibProfile& profile,
548 std::string& provider_id,
549 saml::SAMLAuthenticationStatement** auth_statement=NULL,
550 saml::SAMLResponse** attr_response_pre=NULL,
551 saml::SAMLResponse** attr_response_post=NULL
554 // Initialize the request from the parsed URL
555 // protocol == http, https, etc
556 // hostname == server name
557 // port == server port
558 // uri == resource path
559 // method == GET, POST, etc.
560 void init(ShibTargetConfig *config,
561 std::string protocol, std::string hostname, int port,
562 std::string uri, std::string content_type, std::string remote_host,
566 mutable ShibTargetPriv *m_priv;
570 #endif /* SHIB_TARGET_H */