2 * Copyright 2001-2007 Internet2
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 * mod_apache.cpp -- the core Apache Module code
20 * Created by: Derek Atkins <derek@ihtfp.com>
26 #undef _XOPEN_SOURCE // causes gethostname conflict in unistd.h
30 # define _CRT_NONSTDC_NO_DEPRECATE 1
31 # define _CRT_SECURE_NO_DEPRECATE 1
34 #include <shibsp/AbstractSPRequest.h>
35 #include <shibsp/AccessControl.h>
36 #include <shibsp/exceptions.h>
37 #include <shibsp/RequestMapper.h>
38 #include <shibsp/SPConfig.h>
39 #include <shibsp/ServiceProvider.h>
40 #include <shibsp/SessionCache.h>
41 #include <shibsp/attribute/Attribute.h>
43 #include <xercesc/util/regx/RegularExpression.hpp>
44 #include <xmltooling/XMLToolingConfig.h>
45 #include <xmltooling/util/NDC.h>
46 #include <xmltooling/util/Threads.h>
47 #include <xmltooling/util/XMLConstants.h>
48 #include <xmltooling/util/XMLHelper.h>
56 // Apache specific header files
58 #include <http_config.h>
59 #include <http_protocol.h>
60 #include <http_main.h>
62 #include <http_core.h>
65 #ifndef SHIB_APACHE_13
66 #include <http_request.h>
67 #include <apr_strings.h>
68 #include <apr_pools.h>
75 #include <unistd.h> // for getpid()
78 using namespace shibsp;
79 using namespace xmltooling;
81 using xercesc::RegularExpression;
82 using xercesc::XMLException;
84 extern "C" module MODULE_VAR_EXPORT mod_shib;
87 char* g_szSHIBConfig = SHIBSP_CONFIG;
88 char* g_szSchemaDir = SHIBSP_SCHEMAS;
89 SPConfig* g_Config = NULL;
90 string g_unsetHeaderValue;
91 static const char* g_UserDataKey = "_shib_check_user_";
92 static const XMLCh path[] = UNICODE_LITERAL_4(p,a,t,h);
93 static const XMLCh validate[] = UNICODE_LITERAL_8(v,a,l,i,d,a,t,e);
96 /* Apache 2.2.x headers must be accumulated and set in the output filter.
97 Apache 2.0.49+ supports the filter method.
98 Apache 1.3.x and lesser 2.0.x must write the headers directly. */
100 #if (defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22)) && AP_MODULE_MAGIC_AT_LEAST(20020903,6)
101 #define SHIB_DEFERRED_HEADERS
104 /********************************************************************************/
105 // Basic Apache Configuration code.
108 // per-server module configuration structure
109 struct shib_server_config
114 // creates the per-server configuration
115 extern "C" void* create_shib_server_config(SH_AP_POOL* p, server_rec* s)
117 shib_server_config* sc=(shib_server_config*)ap_pcalloc(p,sizeof(shib_server_config));
122 // overrides server configuration in virtual servers
123 extern "C" void* merge_shib_server_config (SH_AP_POOL* p, void* base, void* sub)
125 shib_server_config* sc=(shib_server_config*)ap_pcalloc(p,sizeof(shib_server_config));
126 shib_server_config* parent=(shib_server_config*)base;
127 shib_server_config* child=(shib_server_config*)sub;
130 sc->szScheme=ap_pstrdup(p,child->szScheme);
131 else if (parent->szScheme)
132 sc->szScheme=ap_pstrdup(p,parent->szScheme);
139 // per-dir module configuration structure
140 struct shib_dir_config
143 char* szAuthGrpFile; // Auth GroupFile name
144 int bRequireAll; // all require directives must match, otherwise OR logic
146 // Content Configuration
147 char* szApplicationId; // Shib applicationId value
148 char* szRequireWith; // require a session using a specific initiator?
149 char* szRedirectToSSL; // redirect non-SSL requests to SSL port
150 int bOff; // flat-out disable all Shib processing
151 int bBasicHijack; // activate for AuthType Basic?
152 int bRequireSession; // require a session?
153 int bExportAssertion; // export SAML assertion to the environment?
154 int bUseEnvVars; // use environment instead of headers?
157 // creates per-directory config structure
158 extern "C" void* create_shib_dir_config (SH_AP_POOL* p, char* d)
160 shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
162 dc->bBasicHijack = -1;
163 dc->bRequireSession = -1;
164 dc->bExportAssertion = -1;
165 dc->bRequireAll = -1;
166 dc->szRedirectToSSL = NULL;
167 dc->szAuthGrpFile = NULL;
168 dc->szApplicationId = NULL;
169 dc->szRequireWith = NULL;
170 dc->bUseEnvVars = -1;
174 // overrides server configuration in directories
175 extern "C" void* merge_shib_dir_config (SH_AP_POOL* p, void* base, void* sub)
177 shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
178 shib_dir_config* parent=(shib_dir_config*)base;
179 shib_dir_config* child=(shib_dir_config*)sub;
181 if (child->szAuthGrpFile)
182 dc->szAuthGrpFile=ap_pstrdup(p,child->szAuthGrpFile);
183 else if (parent->szAuthGrpFile)
184 dc->szAuthGrpFile=ap_pstrdup(p,parent->szAuthGrpFile);
186 dc->szAuthGrpFile=NULL;
188 if (child->szApplicationId)
189 dc->szApplicationId=ap_pstrdup(p,child->szApplicationId);
190 else if (parent->szApplicationId)
191 dc->szApplicationId=ap_pstrdup(p,parent->szApplicationId);
193 dc->szApplicationId=NULL;
195 if (child->szRequireWith)
196 dc->szRequireWith=ap_pstrdup(p,child->szRequireWith);
197 else if (parent->szRequireWith)
198 dc->szRequireWith=ap_pstrdup(p,parent->szRequireWith);
200 dc->szRequireWith=NULL;
202 if (child->szRedirectToSSL)
203 dc->szRedirectToSSL=ap_pstrdup(p,child->szRedirectToSSL);
204 else if (parent->szRedirectToSSL)
205 dc->szRedirectToSSL=ap_pstrdup(p,parent->szRedirectToSSL);
207 dc->szRedirectToSSL=NULL;
209 dc->bOff=((child->bOff==-1) ? parent->bOff : child->bOff);
210 dc->bBasicHijack=((child->bBasicHijack==-1) ? parent->bBasicHijack : child->bBasicHijack);
211 dc->bRequireSession=((child->bRequireSession==-1) ? parent->bRequireSession : child->bRequireSession);
212 dc->bExportAssertion=((child->bExportAssertion==-1) ? parent->bExportAssertion : child->bExportAssertion);
213 dc->bRequireAll=((child->bRequireAll==-1) ? parent->bRequireAll : child->bRequireAll);
214 dc->bUseEnvVars=((child->bUseEnvVars==-1) ? parent->bUseEnvVars : child->bUseEnvVars);
218 // per-request module structure
219 struct shib_request_config
221 SH_AP_TABLE *env; // environment vars
222 #ifdef SHIB_DEFERRED_HEADERS
223 SH_AP_TABLE *hdr_out; // headers to browser
224 SH_AP_TABLE *hdr_err; // err headers to browser
228 // create a request record
229 static shib_request_config *init_request_config(request_rec *r)
231 shib_request_config* rc=(shib_request_config*)ap_pcalloc(r->pool,sizeof(shib_request_config));
232 ap_set_module_config (r->request_config, &mod_shib, rc);
233 memset(rc, 0, sizeof(shib_request_config));
234 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_init_rc");
238 // generic global slot handlers
239 extern "C" const char* ap_set_global_string_slot(cmd_parms* parms, void*, const char* arg)
241 *((char**)(parms->info))=ap_pstrdup(parms->pool,arg);
245 extern "C" const char* shib_set_server_string_slot(cmd_parms* parms, void*, const char* arg)
247 char* base=(char*)ap_get_module_config(parms->server->module_config,&mod_shib);
248 size_t offset=(size_t)parms->info;
249 *((char**)(base + offset))=ap_pstrdup(parms->pool,arg);
253 extern "C" const char* shib_ap_set_file_slot(cmd_parms* parms,
254 #ifdef SHIB_APACHE_13
255 char* arg1, char* arg2
257 void* arg1, const char* arg2
261 ap_set_file_slot(parms, arg1, arg2);
265 /********************************************************************************/
266 // Apache ShibTarget subclass(es) here.
268 class ShibTargetApache : public AbstractSPRequest
270 mutable string m_body;
271 mutable bool m_gotBody;
272 vector<string> m_certs;
276 shib_dir_config* m_dc;
277 shib_server_config* m_sc;
278 shib_request_config* m_rc;
280 ShibTargetApache(request_rec* req) : m_gotBody(false) {
281 m_sc = (shib_server_config*)ap_get_module_config(req->server->module_config, &mod_shib);
282 m_dc = (shib_dir_config*)ap_get_module_config(req->per_dir_config, &mod_shib);
283 m_rc = (shib_request_config*)ap_get_module_config(req->request_config, &mod_shib);
286 virtual ~ShibTargetApache() {}
288 const char* getScheme() const {
289 return m_sc->szScheme ? m_sc->szScheme : ap_http_method(m_req);
291 const char* getHostname() const {
292 return ap_get_server_name(m_req);
294 int getPort() const {
295 return ap_get_server_port(m_req);
297 const char* getRequestURI() const {
298 return m_req->unparsed_uri;
300 const char* getMethod() const {
301 return m_req->method;
303 string getContentType() const {
304 const char* type = ap_table_get(m_req->headers_in, "Content-Type");
305 return type ? type : "";
307 long getContentLength() const {
308 return m_gotBody ? m_body.length() : m_req->remaining;
310 string getRemoteAddr() const {
311 return m_req->connection->remote_ip;
313 void log(SPLogLevel level, const string& msg) const {
314 AbstractSPRequest::log(level,msg);
317 (level == SPDebug ? APLOG_DEBUG :
318 (level == SPInfo ? APLOG_INFO :
319 (level == SPWarn ? APLOG_WARNING :
320 (level == SPError ? APLOG_ERR : APLOG_CRIT))))|APLOG_NOERRNO,
325 const char* getQueryString() const { return m_req->args; }
326 const char* getRequestBody() const {
327 if (m_gotBody || m_req->method_number==M_GET)
328 return m_body.c_str();
329 // Read the posted data
330 if (ap_setup_client_block(m_req, REQUEST_CHUNKED_DECHUNK) != OK) {
332 log(SPError, "Apache function (setup_client_block) failed while reading request body.");
333 return m_body.c_str();
335 if (!ap_should_client_block(m_req)) {
337 log(SPError, "Apache function (should_client_block) failed while reading request body.");
338 return m_body.c_str();
340 if (m_req->remaining > 1024*1024)
341 throw opensaml::SecurityPolicyException("Blocked request body larger than 1M size limit.");
343 char buff[HUGE_STRING_LEN];
344 ap_hard_timeout("[mod_shib] getRequestBody", m_req);
345 memset(buff, 0, sizeof(buff));
346 while (ap_get_client_block(m_req, buff, sizeof(buff)-1) > 0) {
347 ap_reset_timeout(m_req);
349 memset(buff, 0, sizeof(buff));
351 ap_kill_timeout(m_req);
352 return m_body.c_str();
354 void clearHeader(const char* name) {
355 if (m_dc->bUseEnvVars!=0) {
356 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: env\n");
357 if (m_rc && m_rc->env) ap_table_unset(m_rc->env, name);
359 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: hdr\n");
360 ap_table_unset(m_req->headers_in, name);
361 ap_table_set(m_req->headers_in, name, g_unsetHeaderValue.c_str());
364 void setHeader(const char* name, const char* value) {
365 if (m_dc->bUseEnvVars!=0) {
367 // this happens on subrequests
368 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_setheader: no_m_rc\n");
369 m_rc = init_request_config(m_req);
371 if (!m_rc->env) m_rc->env = ap_make_table(m_req->pool, 10);
372 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_set_env: %s=%s\n", name, value?value:"Null");
373 ap_table_set(m_rc->env, name, value?value:"");
376 ap_table_set(m_req->headers_in, name, value);
379 string getHeader(const char* name) const {
380 const char* hdr = ap_table_get(m_req->headers_in, name);
381 return string(hdr ? hdr : "");
383 string getSecureHeader(const char* name) const {
384 if (m_dc->bUseEnvVars!=0) {
386 if (m_rc && m_rc->env)
387 hdr = ap_table_get(m_rc->env, name);
390 return string(hdr ? hdr : "");
392 return getHeader(name);
394 void setRemoteUser(const char* user) {
395 SH_AP_USER(m_req) = user ? ap_pstrdup(m_req->pool, user) : NULL;
397 string getRemoteUser() const {
398 return string(SH_AP_USER(m_req) ? SH_AP_USER(m_req) : "");
400 void setContentType(const char* type) {
401 m_req->content_type = ap_psprintf(m_req->pool, type);
403 void setResponseHeader(const char* name, const char* value) {
404 #ifdef SHIB_DEFERRED_HEADERS
406 // this happens on subrequests
407 m_rc = init_request_config(m_req);
408 ap_table_add(m_rc->hdr_err, name, value);
409 ap_table_add(m_rc->hdr_out, name, value);
411 ap_table_add(m_req->err_headers_out, name, value);
414 long sendResponse(istream& in, long status) {
415 ap_send_http_header(m_req);
419 ap_rwrite(buf,in.gcount(),m_req);
421 return ((status==XMLTOOLING_HTTP_STATUS_OK) ? DONE : status);
423 long sendRedirect(const char* url) {
424 ap_table_set(m_req->headers_out, "Location", url);
427 const vector<string>& getClientCertificates() const {
430 long returnDecline(void) { return DECLINED; }
431 long returnOK(void) { return OK; }
434 /********************************************************************************/
437 extern "C" int shib_check_user(request_rec* r)
439 // Short-circuit entirely?
440 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
443 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_check_user(%d): ENTER\n", (int)getpid());
445 ostringstream threadid;
446 threadid << "[" << getpid() << "] shib_check_user" << '\0';
447 xmltooling::NDC ndc(threadid.str().c_str());
450 ShibTargetApache sta(r);
452 // Check user authentication and export information, then set the handler bypass
453 pair<bool,long> res = sta.getServiceProvider().doAuthentication(sta,true);
454 apr_pool_userdata_setn((const void*)42,g_UserDataKey,NULL,r->pool);
455 if (res.first) return res.second;
457 // user auth was okay -- export the assertions now
458 res = sta.getServiceProvider().doExport(sta);
459 if (res.first) return res.second;
461 // export happened successfully.. this user is ok.
464 catch (exception& e) {
465 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an exception: %s", e.what());
470 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an uncaught exception!");
476 extern "C" int shib_handler(request_rec* r)
478 // Short-circuit entirely?
479 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
482 ostringstream threadid;
483 threadid << "[" << getpid() << "] shib_handler" << '\0';
484 xmltooling::NDC ndc(threadid.str().c_str());
486 #ifndef SHIB_APACHE_13
487 // With 2.x, this handler always runs, though last.
488 // We check if shib_check_user ran, because it will detect a handler request
489 // and dispatch it directly.
491 apr_pool_userdata_get(&data,g_UserDataKey,r->pool);
492 if (data==(const void*)42) {
493 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_handler skipped since check_user ran");
498 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_handler(%d): ENTER: %s", (int)getpid(), r->handler);
501 ShibTargetApache sta(r);
503 pair<bool,long> res = sta.getServiceProvider().doHandler(sta);
504 if (res.first) return res.second;
506 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "doHandler() did not do anything.");
509 catch (exception& e) {
510 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an exception: %s", e.what());
515 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an uncaught exception!");
522 * shib_auth_checker() -- a simple resource manager to
523 * process the .htaccess settings
525 extern "C" int shib_auth_checker(request_rec* r)
527 // Short-circuit entirely?
528 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
531 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_auth_checker(%d): ENTER", (int)getpid());
533 ostringstream threadid;
534 threadid << "[" << getpid() << "] shib_auth_checker" << '\0';
535 xmltooling::NDC ndc(threadid.str().c_str());
538 ShibTargetApache sta(r);
540 pair<bool,long> res = sta.getServiceProvider().doAuthorization(sta);
541 if (res.first) return res.second;
546 catch (exception& e) {
547 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an exception: %s", e.what());
552 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an uncaught exception!");
558 // Access control plugin that enforces htaccess rules
559 class htAccessControl : virtual public AccessControl
563 ~htAccessControl() {}
564 Lockable* lock() {return this;}
566 bool authorized(const SPRequest& request, const Session* session) const;
568 bool checkAttribute(const SPRequest& request, const Attribute* attr, const char* toMatch, RegularExpression* re) const;
571 AccessControl* htAccessFactory(const xercesc::DOMElement* const & e)
573 return new htAccessControl();
576 class ApacheRequestMapper : public virtual RequestMapper, public virtual PropertySet
579 ApacheRequestMapper(const xercesc::DOMElement* e);
580 ~ApacheRequestMapper() { delete m_mapper; delete m_htaccess; delete m_staKey; delete m_propsKey; }
581 Lockable* lock() { return m_mapper->lock(); }
582 void unlock() { m_staKey->setData(NULL); m_propsKey->setData(NULL); m_mapper->unlock(); }
583 Settings getSettings(const SPRequest& request) const;
585 void setParent(const PropertySet*) {}
586 pair<bool,bool> getBool(const char* name, const char* ns=NULL) const;
587 pair<bool,const char*> getString(const char* name, const char* ns=NULL) const;
588 pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const;
589 pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
590 pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
591 const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const;
592 const xercesc::DOMElement* getElement() const;
595 RequestMapper* m_mapper;
597 ThreadKey* m_propsKey;
598 AccessControl* m_htaccess;
601 RequestMapper* ApacheRequestMapFactory(const xercesc::DOMElement* const & e)
603 return new ApacheRequestMapper(e);
606 ApacheRequestMapper::ApacheRequestMapper(const xercesc::DOMElement* e) : m_mapper(NULL), m_staKey(NULL), m_propsKey(NULL), m_htaccess(NULL)
608 m_mapper=SPConfig::getConfig().RequestMapperManager.newPlugin(XML_REQUEST_MAPPER,e);
609 m_htaccess=new htAccessControl();
610 m_staKey=ThreadKey::create(NULL);
611 m_propsKey=ThreadKey::create(NULL);
614 RequestMapper::Settings ApacheRequestMapper::getSettings(const SPRequest& request) const
616 Settings s=m_mapper->getSettings(request);
617 m_staKey->setData((void*)dynamic_cast<const ShibTargetApache*>(&request));
618 m_propsKey->setData((void*)s.first);
619 return pair<const PropertySet*,AccessControl*>(this,s.second ? s.second : m_htaccess);
622 pair<bool,bool> ApacheRequestMapper::getBool(const char* name, const char* ns) const
624 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
625 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
627 // Override Apache-settable boolean properties.
628 if (name && !strcmp(name,"requireSession") && sta->m_dc->bRequireSession==1)
629 return make_pair(true,true);
630 else if (name && !strcmp(name,"exportAssertion") && sta->m_dc->bExportAssertion==1)
631 return make_pair(true,true);
633 return s ? s->getBool(name,ns) : make_pair(false,false);
636 pair<bool,const char*> ApacheRequestMapper::getString(const char* name, const char* ns) const
638 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
639 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
641 // Override Apache-settable string properties.
642 if (name && !strcmp(name,"authType")) {
643 const char *auth_type=ap_auth_type(sta->m_req);
645 // Check for Basic Hijack
646 if (!strcasecmp(auth_type, "basic") && sta->m_dc->bBasicHijack == 1)
647 auth_type = "shibboleth";
648 return make_pair(true,auth_type);
651 else if (name && !strcmp(name,"applicationId") && sta->m_dc->szApplicationId)
652 return pair<bool,const char*>(true,sta->m_dc->szApplicationId);
653 else if (name && !strcmp(name,"requireSessionWith") && sta->m_dc->szRequireWith)
654 return pair<bool,const char*>(true,sta->m_dc->szRequireWith);
655 else if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
656 return pair<bool,const char*>(true,sta->m_dc->szRedirectToSSL);
658 return s ? s->getString(name,ns) : pair<bool,const char*>(false,NULL);
661 pair<bool,const XMLCh*> ApacheRequestMapper::getXMLString(const char* name, const char* ns) const
663 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
664 return s ? s->getXMLString(name,ns) : pair<bool,const XMLCh*>(false,NULL);
667 pair<bool,unsigned int> ApacheRequestMapper::getUnsignedInt(const char* name, const char* ns) const
669 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
670 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
672 // Override Apache-settable int properties.
673 if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
674 return pair<bool,unsigned int>(true,strtol(sta->m_dc->szRedirectToSSL,NULL,10));
676 return s ? s->getUnsignedInt(name,ns) : pair<bool,unsigned int>(false,0);
679 pair<bool,int> ApacheRequestMapper::getInt(const char* name, const char* ns) const
681 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
682 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
684 // Override Apache-settable int properties.
685 if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
686 return pair<bool,int>(true,atoi(sta->m_dc->szRedirectToSSL));
688 return s ? s->getInt(name,ns) : pair<bool,int>(false,0);
691 const PropertySet* ApacheRequestMapper::getPropertySet(const char* name, const char* ns) const
693 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
694 return s ? s->getPropertySet(name,ns) : NULL;
697 const xercesc::DOMElement* ApacheRequestMapper::getElement() const
699 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
700 return s ? s->getElement() : NULL;
703 static SH_AP_TABLE* groups_for_user(request_rec* r, const char* user, char* grpfile)
706 SH_AP_TABLE* grps=ap_make_table(r->pool,15);
707 char l[MAX_STRING_LEN];
708 const char *group_name, *ll, *w;
710 #ifdef SHIB_APACHE_13
711 if (!(f=ap_pcfg_openfile(r->pool,grpfile))) {
713 if (ap_pcfg_openfile(&f,r->pool,grpfile) != APR_SUCCESS) {
715 ap_log_rerror(APLOG_MARK,APLOG_DEBUG,SH_AP_R(r),"groups_for_user() could not open group file: %s\n",grpfile);
720 #ifdef SHIB_APACHE_13
721 sp=ap_make_sub_pool(r->pool);
723 if (apr_pool_create(&sp,r->pool) != APR_SUCCESS) {
724 ap_log_rerror(APLOG_MARK,APLOG_ERR,0,r,
725 "groups_for_user() could not create a subpool");
730 while (!(ap_cfg_getline(l,MAX_STRING_LEN,f))) {
731 if ((*l=='#') || (!*l))
736 group_name=ap_getword(sp,&ll,':');
739 w=ap_getword_conf(sp,&ll);
740 if (!strcmp(w,user)) {
741 ap_table_setn(grps,ap_pstrdup(r->pool,group_name),"in");
751 bool htAccessControl::checkAttribute(const SPRequest& request, const Attribute* attr, const char* toMatch, RegularExpression* re) const
753 bool caseSensitive = attr->isCaseSensitive();
754 const vector<string>& vals = attr->getSerializedValues();
755 for (vector<string>::const_iterator v=vals.begin(); v!=vals.end(); ++v) {
757 auto_ptr<XMLCh> trans(fromUTF8(v->c_str()));
758 if (re->matches(trans.get())) {
759 request.log(SPRequest::SPDebug,
760 string("htAccessControl plugin expecting regexp ") + toMatch + ", got " + *v + ": authorization granted"
765 else if ((caseSensitive && *v == toMatch) || (!caseSensitive && !strcasecmp(v->c_str(), toMatch))) {
766 request.log(SPRequest::SPDebug,
767 string("htAccessControl plugin expecting ") + toMatch + ", got " + *v + ": authorization granted."
772 request.log(SPRequest::SPDebug,
773 string("htAccessControl plugin expecting ") + toMatch + ", got " + *v + ": authorization not granted."
780 bool htAccessControl::authorized(const SPRequest& request, const Session* session) const
782 // Make sure the object is our type.
783 const ShibTargetApache* sta=dynamic_cast<const ShibTargetApache*>(&request);
785 throw ConfigurationException("Request wrapper object was not of correct type.");
789 int m=sta->m_req->method_number;
790 bool method_restricted=false;
793 const array_header* reqs_arr=ap_requires(sta->m_req);
797 require_line* reqs=(require_line*)reqs_arr->elts;
799 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE nelts: %d", reqs_arr->nelts);
800 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE all: %d", sta->m_dc->bRequireAll);
802 vector<bool> auth_OK(reqs_arr->nelts,false);
804 #define SHIB_AP_CHECK_IS_OK { \
805 if (sta->m_dc->bRequireAll < 1) \
811 for (int x=0; x<reqs_arr->nelts; x++) {
813 if (!(reqs[x].method_mask & (1 << m)))
815 method_restricted=true;
816 string remote_user = request.getRemoteUser();
818 t = reqs[x].requirement;
819 w = ap_getword_white(sta->m_req->pool, &t);
821 if (!strcasecmp(w,"shibboleth")) {
822 // This is a dummy rule needed because Apache conflates authn and authz.
823 // Without some require rule, AuthType is ignored and no check_user hooks run.
826 else if (!strcmp(w,"valid-user")) {
828 request.log(SPRequest::SPDebug,"htAccessControl plugin accepting valid-user based on active session");
832 request.log(SPRequest::SPError,"htAccessControl plugin rejecting access for valid-user rule, no session is active");
834 else if (!strcmp(w,"user") && !remote_user.empty()) {
837 w=ap_getword_conf(sta->m_req->pool,&t);
845 // To do regex matching, we have to convert from UTF-8.
846 auto_ptr<XMLCh> trans(fromUTF8(w));
847 RegularExpression re(trans.get());
848 auto_ptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
849 if (re.matches(trans2.get())) {
850 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
854 catch (XMLException& ex) {
855 auto_ptr_char tmp(ex.getMessage());
856 request.log(SPRequest::SPError,
857 string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
860 else if (remote_user==w) {
861 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
866 else if (!strcmp(w,"group")) {
867 SH_AP_TABLE* grpstatus=NULL;
868 if (sta->m_dc->szAuthGrpFile && !remote_user.empty()) {
869 request.log(SPRequest::SPDebug,string("htAccessControl plugin using groups file: ") + sta->m_dc->szAuthGrpFile);
870 grpstatus=groups_for_user(sta->m_req,remote_user.c_str(),sta->m_dc->szAuthGrpFile);
876 w=ap_getword_conf(sta->m_req->pool,&t);
877 if (ap_table_get(grpstatus,w)) {
878 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting group (") + w + ")");
884 // Map alias in rule to the attribute.
886 request.log(SPRequest::SPError, "htAccessControl plugin not given a valid session to evaluate, are you using lazy sessions?");
890 // Find the attribute(s) matching the require rule.
891 pair<multimap<string,Attribute*>::const_iterator,multimap<string,Attribute*>::const_iterator> attrs =
892 session->getAttributes().equal_range(w);
893 if (attrs.first == attrs.second) {
894 request.log(SPRequest::SPWarn, string("htAccessControl rule requires attribute (") + w + "), not found in session");
900 while (!auth_OK[x] && *t) {
901 w=ap_getword_conf(sta->m_req->pool,&t);
908 auto_ptr<RegularExpression> re;
911 auto_ptr<XMLCh> trans(fromUTF8(w));
912 auto_ptr<xercesc::RegularExpression> temp(new xercesc::RegularExpression(trans.get()));
916 for (; !auth_OK[x] && attrs.first!=attrs.second; ++attrs.first) {
917 if (checkAttribute(request, attrs.first->second, w, regexp ? re.get() : NULL)) {
922 catch (XMLException& ex) {
923 auto_ptr_char tmp(ex.getMessage());
924 request.log(SPRequest::SPError,
925 string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get()
932 // check if all require directives are true
933 bool auth_all_OK = true;
934 for (int i= 0; i<reqs_arr->nelts; i++) {
935 auth_all_OK &= auth_OK[i];
937 if (auth_all_OK || !method_restricted)
943 #ifndef SHIB_APACHE_13
946 * Empty cleanup hook, Apache 2.x doesn't check NULL very well...
948 extern "C" apr_status_t shib_exit(void* data)
954 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,0,NULL,"shib_exit() done");
960 // Initial look at a request - create the per-request structure
961 static int shib_post_read(request_rec *r)
963 shib_request_config* rc = init_request_config(r);
965 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read: E=%s", rc->env?"env":"hdr");
967 #ifdef SHIB_DEFERRED_HEADERS
968 rc->hdr_out = ap_make_table(r->pool, 5);
969 rc->hdr_err = ap_make_table(r->pool, 5);
974 // fixups: set environment vars
976 extern "C" int shib_fixups(request_rec* r)
978 shib_request_config *rc = (shib_request_config*)ap_get_module_config(r->request_config, &mod_shib);
979 shib_dir_config *dc = (shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib);
980 if (dc->bOff==1 || dc->bUseEnvVars==0)
983 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup(%d): ENTER", (int)getpid());
985 if (rc==NULL || rc->env==NULL || ap_is_empty_table(rc->env))
988 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup adding %d vars", ap_table_elts(rc->env)->nelts);
989 r->subprocess_env = ap_overlay_tables(r->pool, r->subprocess_env, rc->env);
996 * Cleanup the (per-process) pool info.
998 #ifdef SHIB_APACHE_13
999 extern "C" void shib_child_exit(server_rec* s, SH_AP_POOL* p)
1002 extern "C" apr_status_t shib_child_exit(void* data)
1004 server_rec* s = NULL;
1007 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit(%d) dealing with g_Config..", (int)getpid());
1010 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit() done");
1012 #ifndef SHIB_APACHE_13
1018 * shire_child_init()
1019 * Things to do when the child process is initialized.
1020 * (or after the configs are read in apache-2)
1022 #ifdef SHIB_APACHE_13
1023 extern "C" void shib_child_init(server_rec* s, SH_AP_POOL* p)
1025 extern "C" void shib_child_init(apr_pool_t* p, server_rec* s)
1028 // Initialize runtime components.
1030 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init(%d) starting", (int)getpid());
1033 ap_log_error(APLOG_MARK,APLOG_ERR|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() already initialized!");
1037 g_Config=&SPConfig::getConfig();
1038 g_Config->setFeatures(
1039 SPConfig::Listener |
1041 SPConfig::RequestMapping |
1042 SPConfig::InProcess |
1045 if (!g_Config->init(g_szSchemaDir)) {
1046 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize libraries");
1049 g_Config->AccessControlManager.registerFactory(HT_ACCESS_CONTROL,&htAccessFactory);
1050 g_Config->RequestMapperManager.registerFactory(NATIVE_REQUEST_MAPPER,&ApacheRequestMapFactory);
1053 xercesc::DOMDocument* dummydoc=XMLToolingConfig::getConfig().getParser().newDocument();
1054 XercesJanitor<xercesc::DOMDocument> docjanitor(dummydoc);
1055 xercesc::DOMElement* dummy = dummydoc->createElementNS(NULL,path);
1056 auto_ptr_XMLCh src(g_szSHIBConfig);
1057 dummy->setAttributeNS(NULL,path,src.get());
1058 dummy->setAttributeNS(NULL,validate,xmlconstants::XML_ONE);
1060 g_Config->setServiceProvider(g_Config->ServiceProviderManager.newPlugin(XML_SERVICE_PROVIDER,dummy));
1061 g_Config->getServiceProvider()->init();
1063 catch (exception& ex) {
1064 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),ex.what());
1065 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to load configuration");
1069 ServiceProvider* sp=g_Config->getServiceProvider();
1070 xmltooling::Locker locker(sp);
1071 const PropertySet* props=sp->getPropertySet("Local");
1073 pair<bool,const char*> unsetValue=props->getString("unsetHeaderValue");
1074 if (unsetValue.first)
1075 g_unsetHeaderValue = unsetValue.second;
1078 // Set the cleanup handler
1079 apr_pool_cleanup_register(p, NULL, &shib_exit, &shib_child_exit);
1081 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() done");
1085 #ifdef SHIB_DEFERRED_HEADERS
1086 static void set_output_filter(request_rec *r)
1088 ap_add_output_filter("SHIB_HEADERS_OUT", NULL, r, r->connection);
1091 static void set_error_filter(request_rec *r)
1093 ap_add_output_filter("SHIB_HEADERS_ERR", NULL, r, r->connection);
1096 static int _table_add(void *v, const char *key, const char *value)
1098 apr_table_addn((apr_table_t*)v, key, value);
1102 static apr_status_t do_output_filter(ap_filter_t *f, apr_bucket_brigade *in)
1104 request_rec *r = f->r;
1105 shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
1108 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_out_filter: merging %d headers", apr_table_elts(rc->hdr_out)->nelts);
1109 apr_table_do(_table_add,r->headers_out, rc->hdr_out,NULL);
1110 // can't use overlap call because it will collapse Set-Cookie headers
1111 //apr_table_overlap(r->headers_out, rc->hdr_out, APR_OVERLAP_TABLES_MERGE);
1114 /* remove ourselves from the filter chain */
1115 ap_remove_output_filter(f);
1117 /* send the data up the stack */
1118 return ap_pass_brigade(f->next,in);
1121 static apr_status_t do_error_filter(ap_filter_t *f, apr_bucket_brigade *in)
1123 request_rec *r = f->r;
1124 shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
1127 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_err_filter: merging %d headers", apr_table_elts(rc->hdr_err)->nelts);
1128 apr_table_do(_table_add,r->err_headers_out, rc->hdr_err,NULL);
1129 // can't use overlap call because it will collapse Set-Cookie headers
1130 //apr_table_overlap(r->err_headers_out, rc->hdr_err, APR_OVERLAP_TABLES_MERGE);
1133 /* remove ourselves from the filter chain */
1134 ap_remove_output_filter(f);
1136 /* send the data up the stack */
1137 return ap_pass_brigade(f->next,in);
1139 #endif // SHIB_DEFERRED_HEADERS
1141 typedef const char* (*config_fn_t)(void);
1143 #ifdef SHIB_APACHE_13
1145 // SHIB Module commands
1147 static command_rec shire_cmds[] = {
1148 {"ShibConfig", (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
1149 RSRC_CONF, TAKE1, "Path to shibboleth.xml config file"},
1150 {"ShibCatalogs", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1151 RSRC_CONF, TAKE1, "Paths of XML schema catalogs"},
1152 {"ShibSchemaDir", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1153 RSRC_CONF, TAKE1, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"},
1155 {"ShibURLScheme", (config_fn_t)shib_set_server_string_slot,
1156 (void *) XtOffsetOf (shib_server_config, szScheme),
1157 RSRC_CONF, TAKE1, "URL scheme to force into generated URLs for a vhost"},
1159 {"ShibDisable", (config_fn_t)ap_set_flag_slot,
1160 (void *) XtOffsetOf (shib_dir_config, bOff),
1161 OR_AUTHCFG, FLAG, "Disable all Shib module activity here to save processing effort"},
1162 {"ShibApplicationId", (config_fn_t)ap_set_string_slot,
1163 (void *) XtOffsetOf (shib_dir_config, szApplicationId),
1164 OR_AUTHCFG, TAKE1, "Set Shibboleth applicationId property for content"},
1165 {"ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
1166 (void *) XtOffsetOf (shib_dir_config, bBasicHijack),
1167 OR_AUTHCFG, FLAG, "Respond to AuthType Basic and convert to shibboleth"},
1168 {"ShibRequireSession", (config_fn_t)ap_set_flag_slot,
1169 (void *) XtOffsetOf (shib_dir_config, bRequireSession),
1170 OR_AUTHCFG, FLAG, "Initiates a new session if one does not exist"},
1171 {"ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
1172 (void *) XtOffsetOf (shib_dir_config, szRequireWith),
1173 OR_AUTHCFG, TAKE1, "Initiates a new session if one does not exist using a specific SessionInitiator"},
1174 {"ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
1175 (void *) XtOffsetOf (shib_dir_config, bExportAssertion),
1176 OR_AUTHCFG, FLAG, "Export SAML attribute assertion(s) to Shib-Attributes header"},
1177 {"ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
1178 (void *) XtOffsetOf (shib_dir_config, szRedirectToSSL),
1179 OR_AUTHCFG, TAKE1, "Redirect non-SSL requests to designated port" },
1180 {"AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
1181 (void *) XtOffsetOf (shib_dir_config, szAuthGrpFile),
1182 OR_AUTHCFG, TAKE1, "text file containing group names and member user IDs"},
1183 {"ShibRequireAll", (config_fn_t)ap_set_flag_slot,
1184 (void *) XtOffsetOf (shib_dir_config, bRequireAll),
1185 OR_AUTHCFG, FLAG, "All require directives must match"},
1186 {"ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
1187 (void *) XtOffsetOf (shib_dir_config, bUseEnvVars),
1188 OR_AUTHCFG, FLAG, "Export data in environment instead of headers (default)"},
1194 handler_rec shib_handlers[] = {
1195 { "shib-handler", shib_handler },
1199 module MODULE_VAR_EXPORT mod_shib = {
1200 STANDARD_MODULE_STUFF,
1201 NULL, /* initializer */
1202 create_shib_dir_config, /* dir config creater */
1203 merge_shib_dir_config, /* dir merger --- default is to override */
1204 create_shib_server_config, /* server config */
1205 merge_shib_server_config, /* merge server config */
1206 shire_cmds, /* command table */
1207 shib_handlers, /* handlers */
1208 NULL, /* filename translation */
1209 shib_check_user, /* check_user_id */
1210 shib_auth_checker, /* check auth */
1211 NULL, /* check access */
1212 NULL, /* type_checker */
1213 shib_fixups, /* fixups */
1215 NULL, /* header parser */
1216 shib_child_init, /* child_init */
1217 shib_child_exit, /* child_exit */
1218 shib_post_read /* post read-request */
1221 #elif defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22)
1223 extern "C" void shib_register_hooks (apr_pool_t *p)
1225 #ifdef SHIB_DEFERRED_HEADERS
1226 ap_register_output_filter("SHIB_HEADERS_OUT", do_output_filter, NULL, AP_FTYPE_CONTENT_SET);
1227 ap_hook_insert_filter(set_output_filter, NULL, NULL, APR_HOOK_LAST);
1228 ap_register_output_filter("SHIB_HEADERS_ERR", do_error_filter, NULL, AP_FTYPE_CONTENT_SET);
1229 ap_hook_insert_error_filter(set_error_filter, NULL, NULL, APR_HOOK_LAST);
1230 ap_hook_post_read_request(shib_post_read, NULL, NULL, APR_HOOK_MIDDLE);
1232 ap_hook_child_init(shib_child_init, NULL, NULL, APR_HOOK_MIDDLE);
1233 ap_hook_check_user_id(shib_check_user, NULL, NULL, APR_HOOK_MIDDLE);
1234 ap_hook_auth_checker(shib_auth_checker, NULL, NULL, APR_HOOK_FIRST);
1235 ap_hook_handler(shib_handler, NULL, NULL, APR_HOOK_LAST);
1236 ap_hook_fixups(shib_fixups, NULL, NULL, APR_HOOK_MIDDLE);
1239 // SHIB Module commands
1242 static command_rec shib_cmds[] = {
1243 AP_INIT_TAKE1("ShibConfig",
1244 (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
1245 RSRC_CONF, "Path to shibboleth.xml config file"),
1246 AP_INIT_TAKE1("ShibCatalogs",
1247 (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1248 RSRC_CONF, "Paths of XML schema catalogs"),
1249 AP_INIT_TAKE1("ShibSchemaDir",
1250 (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1251 RSRC_CONF, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"),
1253 AP_INIT_TAKE1("ShibURLScheme",
1254 (config_fn_t)shib_set_server_string_slot,
1255 (void *) offsetof (shib_server_config, szScheme),
1256 RSRC_CONF, "URL scheme to force into generated URLs for a vhost"),
1258 AP_INIT_FLAG("ShibDisable", (config_fn_t)ap_set_flag_slot,
1259 (void *) offsetof (shib_dir_config, bOff),
1260 OR_AUTHCFG, "Disable all Shib module activity here to save processing effort"),
1261 AP_INIT_TAKE1("ShibApplicationId", (config_fn_t)ap_set_string_slot,
1262 (void *) offsetof (shib_dir_config, szApplicationId),
1263 OR_AUTHCFG, "Set Shibboleth applicationId property for content"),
1264 AP_INIT_FLAG("ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
1265 (void *) offsetof (shib_dir_config, bBasicHijack),
1266 OR_AUTHCFG, "Respond to AuthType Basic and convert to shibboleth"),
1267 AP_INIT_FLAG("ShibRequireSession", (config_fn_t)ap_set_flag_slot,
1268 (void *) offsetof (shib_dir_config, bRequireSession),
1269 OR_AUTHCFG, "Initiates a new session if one does not exist"),
1270 AP_INIT_TAKE1("ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
1271 (void *) offsetof (shib_dir_config, szRequireWith),
1272 OR_AUTHCFG, "Initiates a new session if one does not exist using a specific SessionInitiator"),
1273 AP_INIT_FLAG("ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
1274 (void *) offsetof (shib_dir_config, bExportAssertion),
1275 OR_AUTHCFG, "Export SAML attribute assertion(s) to Shib-Attributes header"),
1276 AP_INIT_TAKE1("ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
1277 (void *) offsetof (shib_dir_config, szRedirectToSSL),
1278 OR_AUTHCFG, "Redirect non-SSL requests to designated port"),
1279 AP_INIT_TAKE1("AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
1280 (void *) offsetof (shib_dir_config, szAuthGrpFile),
1281 OR_AUTHCFG, "Text file containing group names and member user IDs"),
1282 AP_INIT_FLAG("ShibRequireAll", (config_fn_t)ap_set_flag_slot,
1283 (void *) offsetof (shib_dir_config, bRequireAll),
1284 OR_AUTHCFG, "All require directives must match"),
1285 AP_INIT_FLAG("ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
1286 (void *) offsetof (shib_dir_config, bUseEnvVars),
1287 OR_AUTHCFG, "Export data in environment instead of headers (default)"),
1292 module AP_MODULE_DECLARE_DATA mod_shib = {
1293 STANDARD20_MODULE_STUFF,
1294 create_shib_dir_config, /* create dir config */
1295 merge_shib_dir_config, /* merge dir config --- default is to override */
1296 create_shib_server_config, /* create server config */
1297 merge_shib_server_config, /* merge server config */
1298 shib_cmds, /* command table */
1299 shib_register_hooks /* register hooks */
1303 #error "undefined APACHE version"