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>
28 #undef _XOPEN_SOURCE // causes gethostname conflict in unistd.h
32 # define _CRT_NONSTDC_NO_DEPRECATE 1
33 # define _CRT_SECURE_NO_DEPRECATE 1
36 #include <shibsp/AbstractSPRequest.h>
37 #include <shibsp/AccessControl.h>
38 #include <shibsp/exceptions.h>
39 #include <shibsp/RequestMapper.h>
40 #include <shibsp/SPConfig.h>
41 #include <shibsp/ServiceProvider.h>
42 #include <shibsp/SessionCache.h>
43 #include <shibsp/attribute/Attribute.h>
45 #include <xercesc/util/regx/RegularExpression.hpp>
46 #include <xmltooling/XMLToolingConfig.h>
47 #include <xmltooling/util/NDC.h>
48 #include <xmltooling/util/Threads.h>
49 #include <xmltooling/util/XMLConstants.h>
50 #include <xmltooling/util/XMLHelper.h>
58 // Apache specific header files
60 #include <http_config.h>
61 #include <http_protocol.h>
62 #include <http_main.h>
64 #include <http_core.h>
67 #ifndef SHIB_APACHE_13
68 #include <http_request.h>
69 #include <apr_strings.h>
70 #include <apr_pools.h>
77 #include <unistd.h> // for getpid()
80 using namespace shibsp;
81 using namespace xmltooling;
83 using xercesc::RegularExpression;
84 using xercesc::XMLException;
86 extern "C" module MODULE_VAR_EXPORT mod_shib;
89 char* g_szSHIBConfig = SHIBSP_CONFIG;
90 char* g_szSchemaDir = SHIBSP_SCHEMAS;
91 SPConfig* g_Config = NULL;
92 string g_unsetHeaderValue;
93 static const char* g_UserDataKey = "_shib_check_user_";
94 static const XMLCh path[] = UNICODE_LITERAL_4(p,a,t,h);
95 static const XMLCh validate[] = UNICODE_LITERAL_8(v,a,l,i,d,a,t,e);
98 /* Apache 2.2.x headers must be accumulated and set in the output filter.
99 Apache 2.0.49+ supports the filter method.
100 Apache 1.3.x and lesser 2.0.x must write the headers directly. */
102 #if (defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22)) && AP_MODULE_MAGIC_AT_LEAST(20020903,6)
103 #define SHIB_DEFERRED_HEADERS
106 /********************************************************************************/
107 // Basic Apache Configuration code.
110 // per-server module configuration structure
111 struct shib_server_config
116 // creates the per-server configuration
117 extern "C" void* create_shib_server_config(SH_AP_POOL* p, server_rec* s)
119 shib_server_config* sc=(shib_server_config*)ap_pcalloc(p,sizeof(shib_server_config));
124 // overrides server configuration in virtual servers
125 extern "C" void* merge_shib_server_config (SH_AP_POOL* p, void* base, void* sub)
127 shib_server_config* sc=(shib_server_config*)ap_pcalloc(p,sizeof(shib_server_config));
128 shib_server_config* parent=(shib_server_config*)base;
129 shib_server_config* child=(shib_server_config*)sub;
132 sc->szScheme=ap_pstrdup(p,child->szScheme);
133 else if (parent->szScheme)
134 sc->szScheme=ap_pstrdup(p,parent->szScheme);
141 // per-dir module configuration structure
142 struct shib_dir_config
145 char* szAuthGrpFile; // Auth GroupFile name
146 int bRequireAll; // all require directives must match, otherwise OR logic
148 // Content Configuration
149 char* szApplicationId; // Shib applicationId value
150 char* szRequireWith; // require a session using a specific initiator?
151 char* szRedirectToSSL; // redirect non-SSL requests to SSL port
152 int bOff; // flat-out disable all Shib processing
153 int bBasicHijack; // activate for AuthType Basic?
154 int bRequireSession; // require a session?
155 int bExportAssertion; // export SAML assertion to the environment?
156 int bUseEnvVars; // use environment instead of headers?
159 // creates per-directory config structure
160 extern "C" void* create_shib_dir_config (SH_AP_POOL* p, char* d)
162 shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
164 dc->bBasicHijack = -1;
165 dc->bRequireSession = -1;
166 dc->bExportAssertion = -1;
167 dc->bRequireAll = -1;
168 dc->szRedirectToSSL = NULL;
169 dc->szAuthGrpFile = NULL;
170 dc->szApplicationId = NULL;
171 dc->szRequireWith = NULL;
172 dc->bUseEnvVars = -1;
176 // overrides server configuration in directories
177 extern "C" void* merge_shib_dir_config (SH_AP_POOL* p, void* base, void* sub)
179 shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
180 shib_dir_config* parent=(shib_dir_config*)base;
181 shib_dir_config* child=(shib_dir_config*)sub;
183 if (child->szAuthGrpFile)
184 dc->szAuthGrpFile=ap_pstrdup(p,child->szAuthGrpFile);
185 else if (parent->szAuthGrpFile)
186 dc->szAuthGrpFile=ap_pstrdup(p,parent->szAuthGrpFile);
188 dc->szAuthGrpFile=NULL;
190 if (child->szApplicationId)
191 dc->szApplicationId=ap_pstrdup(p,child->szApplicationId);
192 else if (parent->szApplicationId)
193 dc->szApplicationId=ap_pstrdup(p,parent->szApplicationId);
195 dc->szApplicationId=NULL;
197 if (child->szRequireWith)
198 dc->szRequireWith=ap_pstrdup(p,child->szRequireWith);
199 else if (parent->szRequireWith)
200 dc->szRequireWith=ap_pstrdup(p,parent->szRequireWith);
202 dc->szRequireWith=NULL;
204 if (child->szRedirectToSSL)
205 dc->szRedirectToSSL=ap_pstrdup(p,child->szRedirectToSSL);
206 else if (parent->szRedirectToSSL)
207 dc->szRedirectToSSL=ap_pstrdup(p,parent->szRedirectToSSL);
209 dc->szRedirectToSSL=NULL;
211 dc->bOff=((child->bOff==-1) ? parent->bOff : child->bOff);
212 dc->bBasicHijack=((child->bBasicHijack==-1) ? parent->bBasicHijack : child->bBasicHijack);
213 dc->bRequireSession=((child->bRequireSession==-1) ? parent->bRequireSession : child->bRequireSession);
214 dc->bExportAssertion=((child->bExportAssertion==-1) ? parent->bExportAssertion : child->bExportAssertion);
215 dc->bRequireAll=((child->bRequireAll==-1) ? parent->bRequireAll : child->bRequireAll);
216 dc->bUseEnvVars=((child->bUseEnvVars==-1) ? parent->bUseEnvVars : child->bUseEnvVars);
220 // per-request module structure
221 struct shib_request_config
223 SH_AP_TABLE *env; // environment vars
224 #ifdef SHIB_DEFERRED_HEADERS
225 SH_AP_TABLE *hdr_out; // headers to browser
226 SH_AP_TABLE *hdr_err; // err headers to browser
230 // create a request record
231 static shib_request_config *init_request_config(request_rec *r)
233 shib_request_config* rc=(shib_request_config*)ap_pcalloc(r->pool,sizeof(shib_request_config));
234 ap_set_module_config (r->request_config, &mod_shib, rc);
235 memset(rc, 0, sizeof(shib_request_config));
236 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_init_rc");
240 // generic global slot handlers
241 extern "C" const char* ap_set_global_string_slot(cmd_parms* parms, void*, const char* arg)
243 *((char**)(parms->info))=ap_pstrdup(parms->pool,arg);
247 extern "C" const char* shib_set_server_string_slot(cmd_parms* parms, void*, const char* arg)
249 char* base=(char*)ap_get_module_config(parms->server->module_config,&mod_shib);
250 size_t offset=(size_t)parms->info;
251 *((char**)(base + offset))=ap_pstrdup(parms->pool,arg);
255 extern "C" const char* shib_ap_set_file_slot(cmd_parms* parms,
256 #ifdef SHIB_APACHE_13
257 char* arg1, char* arg2
259 void* arg1, const char* arg2
263 ap_set_file_slot(parms, arg1, arg2);
267 /********************************************************************************/
268 // Apache ShibTarget subclass(es) here.
270 class ShibTargetApache : public AbstractSPRequest
272 mutable string m_body;
273 mutable bool m_gotBody;
274 vector<string> m_certs;
278 shib_dir_config* m_dc;
279 shib_server_config* m_sc;
280 shib_request_config* m_rc;
282 ShibTargetApache(request_rec* req) : m_gotBody(false) {
283 m_sc = (shib_server_config*)ap_get_module_config(req->server->module_config, &mod_shib);
284 m_dc = (shib_dir_config*)ap_get_module_config(req->per_dir_config, &mod_shib);
285 m_rc = (shib_request_config*)ap_get_module_config(req->request_config, &mod_shib);
288 virtual ~ShibTargetApache() {}
290 const char* getScheme() const {
291 return m_sc->szScheme ? m_sc->szScheme : ap_http_method(m_req);
293 const char* getHostname() const {
294 return ap_get_server_name(m_req);
296 int getPort() const {
297 return ap_get_server_port(m_req);
299 const char* getRequestURI() const {
300 return m_req->unparsed_uri;
302 const char* getMethod() const {
303 return m_req->method;
305 string getContentType() const {
306 const char* type = ap_table_get(m_req->headers_in, "Content-Type");
307 return type ? type : "";
309 long getContentLength() const {
310 return m_gotBody ? m_body.length() : m_req->remaining;
312 string getRemoteAddr() const {
313 return m_req->connection->remote_ip;
315 void log(SPLogLevel level, const string& msg) const {
316 AbstractSPRequest::log(level,msg);
319 (level == SPDebug ? APLOG_DEBUG :
320 (level == SPInfo ? APLOG_INFO :
321 (level == SPWarn ? APLOG_WARNING :
322 (level == SPError ? APLOG_ERR : APLOG_CRIT))))|APLOG_NOERRNO,
327 const char* getQueryString() const { return m_req->args; }
328 const char* getRequestBody() const {
329 if (m_gotBody || m_req->method_number==M_GET)
330 return m_body.c_str();
331 // Read the posted data
332 if (ap_setup_client_block(m_req, REQUEST_CHUNKED_DECHUNK) != OK) {
334 log(SPError, "Apache function (setup_client_block) failed while reading request body.");
335 return m_body.c_str();
337 if (!ap_should_client_block(m_req)) {
339 log(SPError, "Apache function (should_client_block) failed while reading request body.");
340 return m_body.c_str();
342 if (m_req->remaining > 1024*1024)
343 throw opensaml::SecurityPolicyException("Blocked request body larger than 1M size limit.");
345 char buff[HUGE_STRING_LEN];
346 ap_hard_timeout("[mod_shib] getRequestBody", m_req);
347 memset(buff, 0, sizeof(buff));
348 while (ap_get_client_block(m_req, buff, sizeof(buff)-1) > 0) {
349 ap_reset_timeout(m_req);
351 memset(buff, 0, sizeof(buff));
353 ap_kill_timeout(m_req);
354 return m_body.c_str();
356 void clearHeader(const char* name) {
357 if (m_dc->bUseEnvVars!=0) {
358 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: env\n");
359 if (m_rc && m_rc->env) ap_table_unset(m_rc->env, name);
361 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: hdr\n");
362 ap_table_unset(m_req->headers_in, name);
363 ap_table_set(m_req->headers_in, name, g_unsetHeaderValue.c_str());
366 void setHeader(const char* name, const char* value) {
367 if (m_dc->bUseEnvVars!=0) {
369 // this happens on subrequests
370 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_setheader: no_m_rc\n");
371 m_rc = init_request_config(m_req);
373 if (!m_rc->env) m_rc->env = ap_make_table(m_req->pool, 10);
374 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_set_env: %s=%s\n", name, value?value:"Null");
375 ap_table_set(m_rc->env, name, value?value:"");
378 ap_table_set(m_req->headers_in, name, value);
381 string getHeader(const char* name) const {
382 const char* hdr = ap_table_get(m_req->headers_in, name);
383 return string(hdr ? hdr : "");
385 string getSecureHeader(const char* name) const {
386 if (m_dc->bUseEnvVars!=0) {
388 if (m_rc && m_rc->env)
389 hdr = ap_table_get(m_rc->env, name);
392 return string(hdr ? hdr : "");
394 return getHeader(name);
396 void setRemoteUser(const char* user) {
397 SH_AP_USER(m_req) = user ? ap_pstrdup(m_req->pool, user) : NULL;
399 string getRemoteUser() const {
400 return string(SH_AP_USER(m_req) ? SH_AP_USER(m_req) : "");
402 void setContentType(const char* type) {
403 m_req->content_type = ap_psprintf(m_req->pool, type);
405 void setResponseHeader(const char* name, const char* value) {
406 #ifdef SHIB_DEFERRED_HEADERS
408 // this happens on subrequests
409 m_rc = init_request_config(m_req);
410 ap_table_add(m_rc->hdr_err, name, value);
411 ap_table_add(m_rc->hdr_out, name, value);
413 ap_table_add(m_req->err_headers_out, name, value);
416 long sendResponse(istream& in, long status) {
417 ap_send_http_header(m_req);
421 ap_rwrite(buf,in.gcount(),m_req);
423 return ((status==XMLTOOLING_HTTP_STATUS_OK) ? DONE : status);
425 long sendRedirect(const char* url) {
426 ap_table_set(m_req->headers_out, "Location", url);
429 const vector<string>& getClientCertificates() const {
432 long returnDecline(void) { return DECLINED; }
433 long returnOK(void) { return OK; }
436 /********************************************************************************/
439 extern "C" int shib_check_user(request_rec* r)
441 // Short-circuit entirely?
442 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
445 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_check_user(%d): ENTER\n", (int)getpid());
447 ostringstream threadid;
448 threadid << "[" << getpid() << "] shib_check_user" << '\0';
449 xmltooling::NDC ndc(threadid.str().c_str());
452 ShibTargetApache sta(r);
454 // Check user authentication and export information, then set the handler bypass
455 pair<bool,long> res = sta.getServiceProvider().doAuthentication(sta,true);
456 apr_pool_userdata_setn((const void*)42,g_UserDataKey,NULL,r->pool);
457 if (res.first) return res.second;
459 // user auth was okay -- export the assertions now
460 res = sta.getServiceProvider().doExport(sta);
461 if (res.first) return res.second;
463 // export happened successfully.. this user is ok.
466 catch (exception& e) {
467 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an exception: %s", e.what());
472 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an uncaught exception!");
478 extern "C" int shib_handler(request_rec* r)
480 // Short-circuit entirely?
481 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
484 ostringstream threadid;
485 threadid << "[" << getpid() << "] shib_handler" << '\0';
486 xmltooling::NDC ndc(threadid.str().c_str());
488 #ifndef SHIB_APACHE_13
489 // With 2.x, this handler always runs, though last.
490 // We check if shib_check_user ran, because it will detect a handler request
491 // and dispatch it directly.
493 apr_pool_userdata_get(&data,g_UserDataKey,r->pool);
494 if (data==(const void*)42) {
495 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_handler skipped since check_user ran");
500 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_handler(%d): ENTER: %s", (int)getpid(), r->handler);
503 ShibTargetApache sta(r);
505 pair<bool,long> res = sta.getServiceProvider().doHandler(sta);
506 if (res.first) return res.second;
508 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "doHandler() did not do anything.");
511 catch (exception& e) {
512 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an exception: %s", e.what());
517 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an uncaught exception!");
524 * shib_auth_checker() -- a simple resource manager to
525 * process the .htaccess settings
527 extern "C" int shib_auth_checker(request_rec* r)
529 // Short-circuit entirely?
530 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
533 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_auth_checker(%d): ENTER", (int)getpid());
535 ostringstream threadid;
536 threadid << "[" << getpid() << "] shib_auth_checker" << '\0';
537 xmltooling::NDC ndc(threadid.str().c_str());
540 ShibTargetApache sta(r);
542 pair<bool,long> res = sta.getServiceProvider().doAuthorization(sta);
543 if (res.first) return res.second;
548 catch (exception& e) {
549 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an exception: %s", e.what());
554 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an uncaught exception!");
560 // Access control plugin that enforces htaccess rules
561 class htAccessControl : virtual public AccessControl
565 ~htAccessControl() {}
566 Lockable* lock() {return this;}
568 bool authorized(const SPRequest& request, const Session* session) const;
570 bool checkAttribute(const SPRequest& request, const Attribute* attr, const char* toMatch, RegularExpression* re) const;
573 AccessControl* htAccessFactory(const xercesc::DOMElement* const & e)
575 return new htAccessControl();
578 class ApacheRequestMapper : public virtual RequestMapper, public virtual PropertySet
581 ApacheRequestMapper(const xercesc::DOMElement* e);
582 ~ApacheRequestMapper() { delete m_mapper; delete m_htaccess; delete m_staKey; delete m_propsKey; }
583 Lockable* lock() { return m_mapper->lock(); }
584 void unlock() { m_staKey->setData(NULL); m_propsKey->setData(NULL); m_mapper->unlock(); }
585 Settings getSettings(const SPRequest& request) const;
587 void setParent(const PropertySet*) {}
588 pair<bool,bool> getBool(const char* name, const char* ns=NULL) const;
589 pair<bool,const char*> getString(const char* name, const char* ns=NULL) const;
590 pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const;
591 pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
592 pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
593 const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const;
594 const xercesc::DOMElement* getElement() const;
597 RequestMapper* m_mapper;
599 ThreadKey* m_propsKey;
600 AccessControl* m_htaccess;
603 RequestMapper* ApacheRequestMapFactory(const xercesc::DOMElement* const & e)
605 return new ApacheRequestMapper(e);
608 ApacheRequestMapper::ApacheRequestMapper(const xercesc::DOMElement* e) : m_mapper(NULL), m_staKey(NULL), m_propsKey(NULL), m_htaccess(NULL)
610 m_mapper=SPConfig::getConfig().RequestMapperManager.newPlugin(XML_REQUEST_MAPPER,e);
611 m_htaccess=new htAccessControl();
612 m_staKey=ThreadKey::create(NULL);
613 m_propsKey=ThreadKey::create(NULL);
616 RequestMapper::Settings ApacheRequestMapper::getSettings(const SPRequest& request) const
618 Settings s=m_mapper->getSettings(request);
619 m_staKey->setData((void*)dynamic_cast<const ShibTargetApache*>(&request));
620 m_propsKey->setData((void*)s.first);
621 return pair<const PropertySet*,AccessControl*>(this,s.second ? s.second : m_htaccess);
624 pair<bool,bool> ApacheRequestMapper::getBool(const char* name, const char* ns) const
626 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
627 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
629 // Override Apache-settable boolean properties.
630 if (name && !strcmp(name,"requireSession") && sta->m_dc->bRequireSession==1)
631 return make_pair(true,true);
632 else if (name && !strcmp(name,"exportAssertion") && sta->m_dc->bExportAssertion==1)
633 return make_pair(true,true);
635 return s ? s->getBool(name,ns) : make_pair(false,false);
638 pair<bool,const char*> ApacheRequestMapper::getString(const char* name, const char* ns) const
640 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
641 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
643 // Override Apache-settable string properties.
644 if (name && !strcmp(name,"authType")) {
645 const char *auth_type=ap_auth_type(sta->m_req);
647 // Check for Basic Hijack
648 if (!strcasecmp(auth_type, "basic") && sta->m_dc->bBasicHijack == 1)
649 auth_type = "shibboleth";
650 return make_pair(true,auth_type);
653 else if (name && !strcmp(name,"applicationId") && sta->m_dc->szApplicationId)
654 return pair<bool,const char*>(true,sta->m_dc->szApplicationId);
655 else if (name && !strcmp(name,"requireSessionWith") && sta->m_dc->szRequireWith)
656 return pair<bool,const char*>(true,sta->m_dc->szRequireWith);
657 else if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
658 return pair<bool,const char*>(true,sta->m_dc->szRedirectToSSL);
660 return s ? s->getString(name,ns) : pair<bool,const char*>(false,NULL);
663 pair<bool,const XMLCh*> ApacheRequestMapper::getXMLString(const char* name, const char* ns) const
665 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
666 return s ? s->getXMLString(name,ns) : pair<bool,const XMLCh*>(false,NULL);
669 pair<bool,unsigned int> ApacheRequestMapper::getUnsignedInt(const char* name, const char* ns) const
671 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
672 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
674 // Override Apache-settable int properties.
675 if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
676 return pair<bool,unsigned int>(true,strtol(sta->m_dc->szRedirectToSSL,NULL,10));
678 return s ? s->getUnsignedInt(name,ns) : pair<bool,unsigned int>(false,0);
681 pair<bool,int> ApacheRequestMapper::getInt(const char* name, const char* ns) const
683 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
684 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
686 // Override Apache-settable int properties.
687 if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
688 return pair<bool,int>(true,atoi(sta->m_dc->szRedirectToSSL));
690 return s ? s->getInt(name,ns) : pair<bool,int>(false,0);
693 const PropertySet* ApacheRequestMapper::getPropertySet(const char* name, const char* ns) const
695 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
696 return s ? s->getPropertySet(name,ns) : NULL;
699 const xercesc::DOMElement* ApacheRequestMapper::getElement() const
701 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
702 return s ? s->getElement() : NULL;
705 static SH_AP_TABLE* groups_for_user(request_rec* r, const char* user, char* grpfile)
708 SH_AP_TABLE* grps=ap_make_table(r->pool,15);
709 char l[MAX_STRING_LEN];
710 const char *group_name, *ll, *w;
712 #ifdef SHIB_APACHE_13
713 if (!(f=ap_pcfg_openfile(r->pool,grpfile))) {
715 if (ap_pcfg_openfile(&f,r->pool,grpfile) != APR_SUCCESS) {
717 ap_log_rerror(APLOG_MARK,APLOG_DEBUG,SH_AP_R(r),"groups_for_user() could not open group file: %s\n",grpfile);
722 #ifdef SHIB_APACHE_13
723 sp=ap_make_sub_pool(r->pool);
725 if (apr_pool_create(&sp,r->pool) != APR_SUCCESS) {
726 ap_log_rerror(APLOG_MARK,APLOG_ERR,0,r,
727 "groups_for_user() could not create a subpool");
732 while (!(ap_cfg_getline(l,MAX_STRING_LEN,f))) {
733 if ((*l=='#') || (!*l))
738 group_name=ap_getword(sp,&ll,':');
741 w=ap_getword_conf(sp,&ll);
742 if (!strcmp(w,user)) {
743 ap_table_setn(grps,ap_pstrdup(r->pool,group_name),"in");
753 bool htAccessControl::checkAttribute(const SPRequest& request, const Attribute* attr, const char* toMatch, RegularExpression* re) const
755 bool caseSensitive = attr->isCaseSensitive();
756 const vector<string>& vals = attr->getSerializedValues();
757 for (vector<string>::const_iterator v=vals.begin(); v!=vals.end(); ++v) {
759 auto_ptr<XMLCh> trans(fromUTF8(v->c_str()));
760 if (re->matches(trans.get())) {
761 request.log(SPRequest::SPDebug,
762 string("htAccessControl plugin expecting regexp ") + toMatch + ", got " + *v + ": authorization granted"
767 else if ((caseSensitive && *v == toMatch) || (!caseSensitive && !strcasecmp(v->c_str(), toMatch))) {
768 request.log(SPRequest::SPDebug,
769 string("htAccessControl plugin expecting ") + toMatch + ", got " + *v + ": authorization granted."
774 request.log(SPRequest::SPDebug,
775 string("htAccessControl plugin expecting ") + toMatch + ", got " + *v + ": authorization not granted."
782 bool htAccessControl::authorized(const SPRequest& request, const Session* session) const
784 // Make sure the object is our type.
785 const ShibTargetApache* sta=dynamic_cast<const ShibTargetApache*>(&request);
787 throw ConfigurationException("Request wrapper object was not of correct type.");
791 int m=sta->m_req->method_number;
792 bool method_restricted=false;
795 const array_header* reqs_arr=ap_requires(sta->m_req);
799 require_line* reqs=(require_line*)reqs_arr->elts;
801 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE nelts: %d", reqs_arr->nelts);
802 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE all: %d", sta->m_dc->bRequireAll);
804 vector<bool> auth_OK(reqs_arr->nelts,false);
806 #define SHIB_AP_CHECK_IS_OK { \
807 if (sta->m_dc->bRequireAll < 1) \
813 for (int x=0; x<reqs_arr->nelts; x++) {
815 if (!(reqs[x].method_mask & (1 << m)))
817 method_restricted=true;
818 string remote_user = request.getRemoteUser();
820 t = reqs[x].requirement;
821 w = ap_getword_white(sta->m_req->pool, &t);
823 if (!strcasecmp(w,"shibboleth")) {
824 // This is a dummy rule needed because Apache conflates authn and authz.
825 // Without some require rule, AuthType is ignored and no check_user hooks run.
828 else if (!strcmp(w,"valid-user")) {
830 request.log(SPRequest::SPDebug,"htAccessControl plugin accepting valid-user based on active session");
834 request.log(SPRequest::SPError,"htAccessControl plugin rejecting access for valid-user rule, no session is active");
836 else if (!strcmp(w,"user") && !remote_user.empty()) {
839 w=ap_getword_conf(sta->m_req->pool,&t);
847 // To do regex matching, we have to convert from UTF-8.
848 auto_ptr<XMLCh> trans(fromUTF8(w));
849 RegularExpression re(trans.get());
850 auto_ptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
851 if (re.matches(trans2.get())) {
852 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
856 catch (XMLException& ex) {
857 auto_ptr_char tmp(ex.getMessage());
858 request.log(SPRequest::SPError,
859 string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
862 else if (remote_user==w) {
863 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
868 else if (!strcmp(w,"group")) {
869 SH_AP_TABLE* grpstatus=NULL;
870 if (sta->m_dc->szAuthGrpFile && !remote_user.empty()) {
871 request.log(SPRequest::SPDebug,string("htAccessControl plugin using groups file: ") + sta->m_dc->szAuthGrpFile);
872 grpstatus=groups_for_user(sta->m_req,remote_user.c_str(),sta->m_dc->szAuthGrpFile);
878 w=ap_getword_conf(sta->m_req->pool,&t);
879 if (ap_table_get(grpstatus,w)) {
880 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting group (") + w + ")");
886 // Map alias in rule to the attribute.
888 request.log(SPRequest::SPError, "htAccessControl plugin not given a valid session to evaluate, are you using lazy sessions?");
892 // Find the attribute(s) matching the require rule.
893 pair<multimap<string,Attribute*>::const_iterator,multimap<string,Attribute*>::const_iterator> attrs =
894 session->getAttributes().equal_range(w);
895 if (attrs.first == attrs.second) {
896 request.log(SPRequest::SPWarn, string("htAccessControl rule requires attribute (") + w + "), not found in session");
902 while (!auth_OK[x] && *t) {
903 w=ap_getword_conf(sta->m_req->pool,&t);
910 auto_ptr<RegularExpression> re;
913 auto_ptr<XMLCh> trans(fromUTF8(w));
914 auto_ptr<xercesc::RegularExpression> temp(new xercesc::RegularExpression(trans.get()));
918 for (; !auth_OK[x] && attrs.first!=attrs.second; ++attrs.first) {
919 if (checkAttribute(request, attrs.first->second, w, regexp ? re.get() : NULL)) {
924 catch (XMLException& ex) {
925 auto_ptr_char tmp(ex.getMessage());
926 request.log(SPRequest::SPError,
927 string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get()
934 // check if all require directives are true
935 bool auth_all_OK = true;
936 for (int i= 0; i<reqs_arr->nelts; i++) {
937 auth_all_OK &= auth_OK[i];
939 if (auth_all_OK || !method_restricted)
945 #ifndef SHIB_APACHE_13
948 * Empty cleanup hook, Apache 2.x doesn't check NULL very well...
950 extern "C" apr_status_t shib_exit(void* data)
956 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,0,NULL,"shib_exit() done");
962 // Initial look at a request - create the per-request structure
963 static int shib_post_read(request_rec *r)
965 shib_request_config* rc = init_request_config(r);
967 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read: E=%s", rc->env?"env":"hdr");
969 #ifdef SHIB_DEFERRED_HEADERS
970 rc->hdr_out = ap_make_table(r->pool, 5);
971 rc->hdr_err = ap_make_table(r->pool, 5);
976 // fixups: set environment vars
978 extern "C" int shib_fixups(request_rec* r)
980 shib_request_config *rc = (shib_request_config*)ap_get_module_config(r->request_config, &mod_shib);
981 shib_dir_config *dc = (shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib);
982 if (dc->bOff==1 || dc->bUseEnvVars==0)
985 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup(%d): ENTER", (int)getpid());
987 if (rc==NULL || rc->env==NULL || ap_is_empty_table(rc->env))
990 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup adding %d vars", ap_table_elts(rc->env)->nelts);
991 r->subprocess_env = ap_overlay_tables(r->pool, r->subprocess_env, rc->env);
998 * Cleanup the (per-process) pool info.
1000 #ifdef SHIB_APACHE_13
1001 extern "C" void shib_child_exit(server_rec* s, SH_AP_POOL* p)
1004 extern "C" apr_status_t shib_child_exit(void* data)
1006 server_rec* s = NULL;
1009 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit(%d) dealing with g_Config..", (int)getpid());
1012 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit() done");
1014 #ifndef SHIB_APACHE_13
1020 * shire_child_init()
1021 * Things to do when the child process is initialized.
1022 * (or after the configs are read in apache-2)
1024 #ifdef SHIB_APACHE_13
1025 extern "C" void shib_child_init(server_rec* s, SH_AP_POOL* p)
1027 extern "C" void shib_child_init(apr_pool_t* p, server_rec* s)
1030 // Initialize runtime components.
1032 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init(%d) starting", (int)getpid());
1035 ap_log_error(APLOG_MARK,APLOG_ERR|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() already initialized!");
1039 g_Config=&SPConfig::getConfig();
1040 g_Config->setFeatures(
1041 SPConfig::Listener |
1043 SPConfig::RequestMapping |
1044 SPConfig::InProcess |
1047 if (!g_Config->init(g_szSchemaDir)) {
1048 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize libraries");
1051 g_Config->AccessControlManager.registerFactory(HT_ACCESS_CONTROL,&htAccessFactory);
1052 g_Config->RequestMapperManager.registerFactory(NATIVE_REQUEST_MAPPER,&ApacheRequestMapFactory);
1055 xercesc::DOMDocument* dummydoc=XMLToolingConfig::getConfig().getParser().newDocument();
1056 XercesJanitor<xercesc::DOMDocument> docjanitor(dummydoc);
1057 xercesc::DOMElement* dummy = dummydoc->createElementNS(NULL,path);
1058 auto_ptr_XMLCh src(g_szSHIBConfig);
1059 dummy->setAttributeNS(NULL,path,src.get());
1060 dummy->setAttributeNS(NULL,validate,xmlconstants::XML_ONE);
1062 g_Config->setServiceProvider(g_Config->ServiceProviderManager.newPlugin(XML_SERVICE_PROVIDER,dummy));
1063 g_Config->getServiceProvider()->init();
1065 catch (exception& ex) {
1066 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),ex.what());
1067 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to load configuration");
1071 ServiceProvider* sp=g_Config->getServiceProvider();
1072 xmltooling::Locker locker(sp);
1073 const PropertySet* props=sp->getPropertySet("Local");
1075 pair<bool,const char*> unsetValue=props->getString("unsetHeaderValue");
1076 if (unsetValue.first)
1077 g_unsetHeaderValue = unsetValue.second;
1080 // Set the cleanup handler
1081 apr_pool_cleanup_register(p, NULL, &shib_exit, &shib_child_exit);
1083 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() done");
1087 #ifdef SHIB_DEFERRED_HEADERS
1088 static void set_output_filter(request_rec *r)
1090 ap_add_output_filter("SHIB_HEADERS_OUT", NULL, r, r->connection);
1093 static void set_error_filter(request_rec *r)
1095 ap_add_output_filter("SHIB_HEADERS_ERR", NULL, r, r->connection);
1098 static int _table_add(void *v, const char *key, const char *value)
1100 apr_table_addn((apr_table_t*)v, key, value);
1104 static apr_status_t do_output_filter(ap_filter_t *f, apr_bucket_brigade *in)
1106 request_rec *r = f->r;
1107 shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
1110 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);
1111 apr_table_do(_table_add,r->headers_out, rc->hdr_out,NULL);
1112 // can't use overlap call because it will collapse Set-Cookie headers
1113 //apr_table_overlap(r->headers_out, rc->hdr_out, APR_OVERLAP_TABLES_MERGE);
1116 /* remove ourselves from the filter chain */
1117 ap_remove_output_filter(f);
1119 /* send the data up the stack */
1120 return ap_pass_brigade(f->next,in);
1123 static apr_status_t do_error_filter(ap_filter_t *f, apr_bucket_brigade *in)
1125 request_rec *r = f->r;
1126 shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
1129 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);
1130 apr_table_do(_table_add,r->err_headers_out, rc->hdr_err,NULL);
1131 // can't use overlap call because it will collapse Set-Cookie headers
1132 //apr_table_overlap(r->err_headers_out, rc->hdr_err, APR_OVERLAP_TABLES_MERGE);
1135 /* remove ourselves from the filter chain */
1136 ap_remove_output_filter(f);
1138 /* send the data up the stack */
1139 return ap_pass_brigade(f->next,in);
1141 #endif // SHIB_DEFERRED_HEADERS
1143 typedef const char* (*config_fn_t)(void);
1145 #ifdef SHIB_APACHE_13
1147 // SHIB Module commands
1149 static command_rec shire_cmds[] = {
1150 {"ShibConfig", (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
1151 RSRC_CONF, TAKE1, "Path to shibboleth.xml config file"},
1152 {"ShibCatalogs", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1153 RSRC_CONF, TAKE1, "Paths of XML schema catalogs"},
1154 {"ShibSchemaDir", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1155 RSRC_CONF, TAKE1, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"},
1157 {"ShibURLScheme", (config_fn_t)shib_set_server_string_slot,
1158 (void *) XtOffsetOf (shib_server_config, szScheme),
1159 RSRC_CONF, TAKE1, "URL scheme to force into generated URLs for a vhost"},
1161 {"ShibDisable", (config_fn_t)ap_set_flag_slot,
1162 (void *) XtOffsetOf (shib_dir_config, bOff),
1163 OR_AUTHCFG, FLAG, "Disable all Shib module activity here to save processing effort"},
1164 {"ShibApplicationId", (config_fn_t)ap_set_string_slot,
1165 (void *) XtOffsetOf (shib_dir_config, szApplicationId),
1166 OR_AUTHCFG, TAKE1, "Set Shibboleth applicationId property for content"},
1167 {"ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
1168 (void *) XtOffsetOf (shib_dir_config, bBasicHijack),
1169 OR_AUTHCFG, FLAG, "Respond to AuthType Basic and convert to shibboleth"},
1170 {"ShibRequireSession", (config_fn_t)ap_set_flag_slot,
1171 (void *) XtOffsetOf (shib_dir_config, bRequireSession),
1172 OR_AUTHCFG, FLAG, "Initiates a new session if one does not exist"},
1173 {"ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
1174 (void *) XtOffsetOf (shib_dir_config, szRequireWith),
1175 OR_AUTHCFG, TAKE1, "Initiates a new session if one does not exist using a specific SessionInitiator"},
1176 {"ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
1177 (void *) XtOffsetOf (shib_dir_config, bExportAssertion),
1178 OR_AUTHCFG, FLAG, "Export SAML attribute assertion(s) to Shib-Attributes header"},
1179 {"ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
1180 (void *) XtOffsetOf (shib_dir_config, szRedirectToSSL),
1181 OR_AUTHCFG, TAKE1, "Redirect non-SSL requests to designated port" },
1182 {"AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
1183 (void *) XtOffsetOf (shib_dir_config, szAuthGrpFile),
1184 OR_AUTHCFG, TAKE1, "text file containing group names and member user IDs"},
1185 {"ShibRequireAll", (config_fn_t)ap_set_flag_slot,
1186 (void *) XtOffsetOf (shib_dir_config, bRequireAll),
1187 OR_AUTHCFG, FLAG, "All require directives must match"},
1188 {"ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
1189 (void *) XtOffsetOf (shib_dir_config, bUseEnvVars),
1190 OR_AUTHCFG, FLAG, "Export data in environment instead of headers (default)"},
1196 handler_rec shib_handlers[] = {
1197 { "shib-handler", shib_handler },
1201 module MODULE_VAR_EXPORT mod_shib = {
1202 STANDARD_MODULE_STUFF,
1203 NULL, /* initializer */
1204 create_shib_dir_config, /* dir config creater */
1205 merge_shib_dir_config, /* dir merger --- default is to override */
1206 create_shib_server_config, /* server config */
1207 merge_shib_server_config, /* merge server config */
1208 shire_cmds, /* command table */
1209 shib_handlers, /* handlers */
1210 NULL, /* filename translation */
1211 shib_check_user, /* check_user_id */
1212 shib_auth_checker, /* check auth */
1213 NULL, /* check access */
1214 NULL, /* type_checker */
1215 shib_fixups, /* fixups */
1217 NULL, /* header parser */
1218 shib_child_init, /* child_init */
1219 shib_child_exit, /* child_exit */
1220 shib_post_read /* post read-request */
1223 #elif defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22)
1225 extern "C" void shib_register_hooks (apr_pool_t *p)
1227 #ifdef SHIB_DEFERRED_HEADERS
1228 ap_register_output_filter("SHIB_HEADERS_OUT", do_output_filter, NULL, AP_FTYPE_CONTENT_SET);
1229 ap_hook_insert_filter(set_output_filter, NULL, NULL, APR_HOOK_LAST);
1230 ap_register_output_filter("SHIB_HEADERS_ERR", do_error_filter, NULL, AP_FTYPE_CONTENT_SET);
1231 ap_hook_insert_error_filter(set_error_filter, NULL, NULL, APR_HOOK_LAST);
1232 ap_hook_post_read_request(shib_post_read, NULL, NULL, APR_HOOK_MIDDLE);
1234 ap_hook_child_init(shib_child_init, NULL, NULL, APR_HOOK_MIDDLE);
1235 ap_hook_check_user_id(shib_check_user, NULL, NULL, APR_HOOK_MIDDLE);
1236 ap_hook_auth_checker(shib_auth_checker, NULL, NULL, APR_HOOK_FIRST);
1237 ap_hook_handler(shib_handler, NULL, NULL, APR_HOOK_LAST);
1238 ap_hook_fixups(shib_fixups, NULL, NULL, APR_HOOK_MIDDLE);
1241 // SHIB Module commands
1244 static command_rec shib_cmds[] = {
1245 AP_INIT_TAKE1("ShibConfig",
1246 (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
1247 RSRC_CONF, "Path to shibboleth.xml config file"),
1248 AP_INIT_TAKE1("ShibCatalogs",
1249 (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1250 RSRC_CONF, "Paths of XML schema catalogs"),
1251 AP_INIT_TAKE1("ShibSchemaDir",
1252 (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1253 RSRC_CONF, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"),
1255 AP_INIT_TAKE1("ShibURLScheme",
1256 (config_fn_t)shib_set_server_string_slot,
1257 (void *) offsetof (shib_server_config, szScheme),
1258 RSRC_CONF, "URL scheme to force into generated URLs for a vhost"),
1260 AP_INIT_FLAG("ShibDisable", (config_fn_t)ap_set_flag_slot,
1261 (void *) offsetof (shib_dir_config, bOff),
1262 OR_AUTHCFG, "Disable all Shib module activity here to save processing effort"),
1263 AP_INIT_TAKE1("ShibApplicationId", (config_fn_t)ap_set_string_slot,
1264 (void *) offsetof (shib_dir_config, szApplicationId),
1265 OR_AUTHCFG, "Set Shibboleth applicationId property for content"),
1266 AP_INIT_FLAG("ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
1267 (void *) offsetof (shib_dir_config, bBasicHijack),
1268 OR_AUTHCFG, "Respond to AuthType Basic and convert to shibboleth"),
1269 AP_INIT_FLAG("ShibRequireSession", (config_fn_t)ap_set_flag_slot,
1270 (void *) offsetof (shib_dir_config, bRequireSession),
1271 OR_AUTHCFG, "Initiates a new session if one does not exist"),
1272 AP_INIT_TAKE1("ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
1273 (void *) offsetof (shib_dir_config, szRequireWith),
1274 OR_AUTHCFG, "Initiates a new session if one does not exist using a specific SessionInitiator"),
1275 AP_INIT_FLAG("ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
1276 (void *) offsetof (shib_dir_config, bExportAssertion),
1277 OR_AUTHCFG, "Export SAML attribute assertion(s) to Shib-Attributes header"),
1278 AP_INIT_TAKE1("ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
1279 (void *) offsetof (shib_dir_config, szRedirectToSSL),
1280 OR_AUTHCFG, "Redirect non-SSL requests to designated port"),
1281 AP_INIT_TAKE1("AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
1282 (void *) offsetof (shib_dir_config, szAuthGrpFile),
1283 OR_AUTHCFG, "Text file containing group names and member user IDs"),
1284 AP_INIT_FLAG("ShibRequireAll", (config_fn_t)ap_set_flag_slot,
1285 (void *) offsetof (shib_dir_config, bRequireAll),
1286 OR_AUTHCFG, "All require directives must match"),
1287 AP_INIT_FLAG("ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
1288 (void *) offsetof (shib_dir_config, bUseEnvVars),
1289 OR_AUTHCFG, "Export data in environment instead of headers (default)"),
1294 module AP_MODULE_DECLARE_DATA mod_shib = {
1295 STANDARD20_MODULE_STUFF,
1296 create_shib_dir_config, /* create dir config */
1297 merge_shib_dir_config, /* merge dir config --- default is to override */
1298 create_shib_server_config, /* create server config */
1299 merge_shib_server_config, /* merge server config */
1300 shib_cmds, /* command table */
1301 shib_register_hooks /* register hooks */
1305 #error "undefined APACHE version"