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>
41 #include <saml/saml.h>
42 #include <shib/shib.h>
43 #include <shib-target/shib-target.h>
44 #include <xercesc/util/regx/RegularExpression.hpp>
45 #include <xmltooling/util/NDC.h>
46 #include <xmltooling/util/Threads.h>
54 // Apache specific header files
56 #include <http_config.h>
57 #include <http_protocol.h>
58 #include <http_main.h>
60 #include <http_core.h>
63 #ifndef SHIB_APACHE_13
64 #include <http_request.h>
65 #include <apr_strings.h>
66 #include <apr_pools.h>
73 #include <unistd.h> // for getpid()
76 using namespace shibsp;
77 using namespace xmltooling;
80 extern "C" module MODULE_VAR_EXPORT mod_shib;
83 char* g_szSHIBConfig = NULL;
84 char* g_szSchemaDir = NULL;
85 shibtarget::ShibTargetConfig* g_Config = NULL;
86 string g_unsetHeaderValue;
87 static const char* g_UserDataKey = "_shib_check_user_";
90 /* Apache 2.2.x headers must be accumulated and set in the output filter.
91 Apache 2.0.49+ supports the filter method.
92 Apache 1.3.x and lesser 2.0.x must write the headers directly. */
94 #if (defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22)) && AP_MODULE_MAGIC_AT_LEAST(20020903,6)
95 #define SHIB_DEFERRED_HEADERS
98 /********************************************************************************/
99 // Basic Apache Configuration code.
102 // per-server module configuration structure
103 struct shib_server_config
108 // creates the per-server configuration
109 extern "C" void* create_shib_server_config(SH_AP_POOL* p, server_rec* s)
111 shib_server_config* sc=(shib_server_config*)ap_pcalloc(p,sizeof(shib_server_config));
116 // overrides server configuration in virtual servers
117 extern "C" void* merge_shib_server_config (SH_AP_POOL* p, void* base, void* sub)
119 shib_server_config* sc=(shib_server_config*)ap_pcalloc(p,sizeof(shib_server_config));
120 shib_server_config* parent=(shib_server_config*)base;
121 shib_server_config* child=(shib_server_config*)sub;
124 sc->szScheme=ap_pstrdup(p,child->szScheme);
125 else if (parent->szScheme)
126 sc->szScheme=ap_pstrdup(p,parent->szScheme);
133 // per-dir module configuration structure
134 struct shib_dir_config
137 char* szAuthGrpFile; // Auth GroupFile name
138 int bRequireAll; // all require directives must match, otherwise OR logic
140 // Content Configuration
141 char* szApplicationId; // Shib applicationId value
142 char* szRequireWith; // require a session using a specific initiator?
143 char* szRedirectToSSL; // redirect non-SSL requests to SSL port
144 int bOff; // flat-out disable all Shib processing
145 int bBasicHijack; // activate for AuthType Basic?
146 int bRequireSession; // require a session?
147 int bExportAssertion; // export SAML assertion to the environment?
148 int bUseEnvVars; // use environment instead of headers?
151 // creates per-directory config structure
152 extern "C" void* create_shib_dir_config (SH_AP_POOL* p, char* d)
154 shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
156 dc->bBasicHijack = -1;
157 dc->bRequireSession = -1;
158 dc->bExportAssertion = -1;
159 dc->bRequireAll = -1;
160 dc->szRedirectToSSL = NULL;
161 dc->szAuthGrpFile = NULL;
162 dc->szApplicationId = NULL;
163 dc->szRequireWith = NULL;
164 dc->bUseEnvVars = -1;
168 // overrides server configuration in directories
169 extern "C" void* merge_shib_dir_config (SH_AP_POOL* p, void* base, void* sub)
171 shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
172 shib_dir_config* parent=(shib_dir_config*)base;
173 shib_dir_config* child=(shib_dir_config*)sub;
175 if (child->szAuthGrpFile)
176 dc->szAuthGrpFile=ap_pstrdup(p,child->szAuthGrpFile);
177 else if (parent->szAuthGrpFile)
178 dc->szAuthGrpFile=ap_pstrdup(p,parent->szAuthGrpFile);
180 dc->szAuthGrpFile=NULL;
182 if (child->szApplicationId)
183 dc->szApplicationId=ap_pstrdup(p,child->szApplicationId);
184 else if (parent->szApplicationId)
185 dc->szApplicationId=ap_pstrdup(p,parent->szApplicationId);
187 dc->szApplicationId=NULL;
189 if (child->szRequireWith)
190 dc->szRequireWith=ap_pstrdup(p,child->szRequireWith);
191 else if (parent->szRequireWith)
192 dc->szRequireWith=ap_pstrdup(p,parent->szRequireWith);
194 dc->szRequireWith=NULL;
196 if (child->szRedirectToSSL)
197 dc->szRedirectToSSL=ap_pstrdup(p,child->szRedirectToSSL);
198 else if (parent->szRedirectToSSL)
199 dc->szRedirectToSSL=ap_pstrdup(p,parent->szRedirectToSSL);
201 dc->szRedirectToSSL=NULL;
203 dc->bOff=((child->bOff==-1) ? parent->bOff : child->bOff);
204 dc->bBasicHijack=((child->bBasicHijack==-1) ? parent->bBasicHijack : child->bBasicHijack);
205 dc->bRequireSession=((child->bRequireSession==-1) ? parent->bRequireSession : child->bRequireSession);
206 dc->bExportAssertion=((child->bExportAssertion==-1) ? parent->bExportAssertion : child->bExportAssertion);
207 dc->bRequireAll=((child->bRequireAll==-1) ? parent->bRequireAll : child->bRequireAll);
208 dc->bUseEnvVars=((child->bUseEnvVars==-1) ? parent->bUseEnvVars : child->bUseEnvVars);
212 // per-request module structure
213 struct shib_request_config
215 SH_AP_TABLE *env; // environment vars
216 #ifdef SHIB_DEFERRED_HEADERS
217 SH_AP_TABLE *hdr_out; // headers to browser
218 SH_AP_TABLE *hdr_err; // err headers to browser
222 // create a request record
223 static shib_request_config *init_request_config(request_rec *r)
225 shib_request_config* rc=(shib_request_config*)ap_pcalloc(r->pool,sizeof(shib_request_config));
226 ap_set_module_config (r->request_config, &mod_shib, rc);
227 memset(rc, 0, sizeof(shib_request_config));
228 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_init_rc");
232 // generic global slot handlers
233 extern "C" const char* ap_set_global_string_slot(cmd_parms* parms, void*, const char* arg)
235 *((char**)(parms->info))=ap_pstrdup(parms->pool,arg);
239 extern "C" const char* shib_set_server_string_slot(cmd_parms* parms, void*, const char* arg)
241 char* base=(char*)ap_get_module_config(parms->server->module_config,&mod_shib);
242 size_t offset=(size_t)parms->info;
243 *((char**)(base + offset))=ap_pstrdup(parms->pool,arg);
247 extern "C" const char* shib_ap_set_file_slot(cmd_parms* parms,
248 #ifdef SHIB_APACHE_13
249 char* arg1, char* arg2
251 void* arg1, const char* arg2
255 ap_set_file_slot(parms, arg1, arg2);
259 /********************************************************************************/
260 // Apache ShibTarget subclass(es) here.
262 class ShibTargetApache : public AbstractSPRequest
264 mutable string m_body;
265 mutable bool m_gotBody;
266 vector<XSECCryptoX509*> m_certs;
270 shib_dir_config* m_dc;
271 shib_server_config* m_sc;
272 shib_request_config* m_rc;
274 ShibTargetApache(request_rec* req) : m_gotBody(false) {
275 m_sc = (shib_server_config*)ap_get_module_config(req->server->module_config, &mod_shib);
276 m_dc = (shib_dir_config*)ap_get_module_config(req->per_dir_config, &mod_shib);
277 m_rc = (shib_request_config*)ap_get_module_config(req->request_config, &mod_shib);
280 virtual ~ShibTargetApache() {}
282 const char* getScheme() const {
283 return m_sc->szScheme ? m_sc->szScheme : ap_http_method(m_req);
285 const char* getHostname() const {
286 return ap_get_server_name(m_req);
288 int getPort() const {
289 return ap_get_server_port(m_req);
291 const char* getRequestURI() const {
292 return m_req->unparsed_uri;
294 const char* getMethod() const {
295 return m_req->method;
297 string getContentType() const {
298 const char* type = ap_table_get(m_req->headers_in, "Content-Type");
299 return type ? type : "";
301 long getContentLength() const {
302 return m_gotBody ? m_body.length() : m_req->remaining;
304 string getRemoteAddr() const {
305 return m_req->connection->remote_ip;
307 void log(SPLogLevel level, const string& msg) const {
308 AbstractSPRequest::log(level,msg);
311 (level == SPDebug ? APLOG_DEBUG :
312 (level == SPInfo ? APLOG_INFO :
313 (level == SPWarn ? APLOG_WARNING :
314 (level == SPError ? APLOG_ERR : APLOG_CRIT))))|APLOG_NOERRNO,
319 const char* getQueryString() const { return m_req->args; }
320 const char* getRequestBody() const {
322 return m_body.c_str();
323 // Read the posted data
324 if (ap_setup_client_block(m_req, REQUEST_CHUNKED_ERROR))
325 throw opensaml::BindingException("Apache function (setup_client_block) failed while reading POST request body.");
326 if (!ap_should_client_block(m_req))
327 throw opensaml::BindingException("Apache function (should_client_block) failed while reading POST request body.");
328 if (m_req->remaining > 1024*1024)
329 throw opensaml::BindingException("Blocked POST request body larger than size limit.");
331 char buff[HUGE_STRING_LEN];
332 ap_hard_timeout("[mod_shib] getRequestBody", m_req);
333 memset(buff, 0, sizeof(buff));
334 while (ap_get_client_block(m_req, buff, sizeof(buff)-1) > 0) {
335 ap_reset_timeout(m_req);
337 memset(buff, 0, sizeof(buff));
339 ap_kill_timeout(m_req);
340 return m_body.c_str();
342 void clearHeader(const char* name) {
343 if (m_dc->bUseEnvVars!=0) {
344 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: env\n");
345 if (m_rc && m_rc->env) ap_table_unset(m_rc->env, name);
347 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: hdr\n");
348 ap_table_unset(m_req->headers_in, name);
349 ap_table_set(m_req->headers_in, name, g_unsetHeaderValue.c_str());
352 void setHeader(const char* name, const char* value) {
353 if (m_dc->bUseEnvVars!=0) {
355 // this happens on subrequests
356 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_setheader: no_m_rc\n");
357 m_rc = init_request_config(m_req);
359 if (!m_rc->env) m_rc->env = ap_make_table(m_req->pool, 10);
360 // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_set_env: %s=%s\n", name, value?value:"Null");
361 ap_table_set(m_rc->env, name, value?value:"");
364 ap_table_set(m_req->headers_in, name, value);
367 string getHeader(const char* name) const {
368 const char* hdr = ap_table_get(m_req->headers_in, name);
369 return string(hdr ? hdr : "");
371 string getSecureHeader(const char* name) const {
372 if (m_dc->bUseEnvVars!=0) {
374 if (m_rc && m_rc->env)
375 hdr = ap_table_get(m_rc->env, name);
378 return string(hdr ? hdr : "");
380 return getHeader(name);
382 void setRemoteUser(const char* user) {
383 SH_AP_USER(m_req) = user ? ap_pstrdup(m_req->pool, user) : NULL;
385 string getRemoteUser() const {
386 return string(SH_AP_USER(m_req) ? SH_AP_USER(m_req) : "");
388 void setContentType(const char* type) {
389 m_req->content_type = ap_psprintf(m_req->pool, type);
391 void setResponseHeader(const char* name, const char* value) {
392 #ifdef SHIB_DEFERRED_HEADERS
394 // this happens on subrequests
395 m_rc = init_request_config(m_req);
396 ap_table_add(m_rc->hdr_err, name, value);
397 ap_table_add(m_rc->hdr_out, name, value);
399 ap_table_add(m_req->err_headers_out, name, value);
402 long sendResponse(istream& in, long status) {
403 ap_send_http_header(m_req);
407 ap_rwrite(buf,in.gcount(),m_req);
409 return ((status==SAML_HTTP_STATUS_OK) ? DONE : status);
411 long sendRedirect(const char* url) {
412 ap_table_set(m_req->headers_out, "Location", url);
415 const vector<XSECCryptoX509*>& getClientCertificates() const {
418 long returnDecline(void) { return DECLINED; }
419 long returnOK(void) { return OK; }
422 /********************************************************************************/
425 extern "C" int shib_check_user(request_rec* r)
427 // Short-circuit entirely?
428 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
431 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_check_user(%d): ENTER\n", (int)getpid());
433 ostringstream threadid;
434 threadid << "[" << getpid() << "] shib_check_user" << '\0';
435 xmltooling::NDC ndc(threadid.str().c_str());
438 ShibTargetApache sta(r);
440 // Check user authentication and export information, then set the handler bypass
441 pair<bool,long> res = sta.getServiceProvider().doAuthentication(sta,true);
442 apr_pool_userdata_setn((const void*)42,g_UserDataKey,NULL,r->pool);
443 if (res.first) return res.second;
445 // user auth was okay -- export the assertions now
446 res = sta.getServiceProvider().doExport(sta);
447 if (res.first) return res.second;
449 // export happened successfully.. this user is ok.
452 catch (exception& e) {
453 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an exception: %s", e.what());
458 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an uncaught exception!");
464 extern "C" int shib_handler(request_rec* r)
466 // Short-circuit entirely?
467 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
470 ostringstream threadid;
471 threadid << "[" << getpid() << "] shib_handler" << '\0';
472 xmltooling::NDC ndc(threadid.str().c_str());
474 #ifndef SHIB_APACHE_13
475 // With 2.x, this handler always runs, though last.
476 // We check if shib_check_user ran, because it will detect a handler request
477 // and dispatch it directly.
479 apr_pool_userdata_get(&data,g_UserDataKey,r->pool);
480 if (data==(const void*)42) {
481 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_handler skipped since check_user ran");
486 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_handler(%d): ENTER: %s", (int)getpid(), r->handler);
489 ShibTargetApache sta(r);
491 pair<bool,long> res = sta.getServiceProvider().doHandler(sta);
492 if (res.first) return res.second;
494 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "doHandler() did not do anything.");
497 catch (exception& e) {
498 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an exception: %s", e.what());
503 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an uncaught exception!");
510 * shib_auth_checker() -- a simple resource manager to
511 * process the .htaccess settings
513 extern "C" int shib_auth_checker(request_rec* r)
515 // Short-circuit entirely?
516 if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
519 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_auth_checker(%d): ENTER", (int)getpid());
521 ostringstream threadid;
522 threadid << "[" << getpid() << "] shib_auth_checker" << '\0';
523 xmltooling::NDC ndc(threadid.str().c_str());
526 ShibTargetApache sta(r);
528 pair<bool,long> res = sta.getServiceProvider().doAuthorization(sta);
529 if (res.first) return res.second;
534 catch (exception& e) {
535 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an exception: %s", e.what());
540 ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an uncaught exception!");
546 // Access control plugin that enforces htaccess rules
547 class htAccessControl : virtual public AccessControl
551 ~htAccessControl() {}
552 Lockable* lock() {return this;}
554 bool authorized(const SPRequest& request, const Session* session) const;
557 AccessControl* htAccessFactory(const DOMElement* const & e)
559 return new htAccessControl();
562 class ApacheRequestMapper : public virtual RequestMapper, public virtual PropertySet
565 ApacheRequestMapper(const DOMElement* e);
566 ~ApacheRequestMapper() { delete m_mapper; delete m_htaccess; delete m_staKey; delete m_propsKey; }
567 Lockable* lock() { return m_mapper->lock(); }
568 void unlock() { m_staKey->setData(NULL); m_propsKey->setData(NULL); m_mapper->unlock(); }
569 Settings getSettings(const SPRequest& request) const;
571 pair<bool,bool> getBool(const char* name, const char* ns=NULL) const;
572 pair<bool,const char*> getString(const char* name, const char* ns=NULL) const;
573 pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const;
574 pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
575 pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
576 const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:target:config:1.0") const;
577 const DOMElement* getElement() const;
580 RequestMapper* m_mapper;
582 ThreadKey* m_propsKey;
583 AccessControl* m_htaccess;
586 RequestMapper* ApacheRequestMapFactory(const DOMElement* const & e)
588 return new ApacheRequestMapper(e);
591 ApacheRequestMapper::ApacheRequestMapper(const DOMElement* e) : m_mapper(NULL), m_staKey(NULL), m_propsKey(NULL), m_htaccess(NULL)
593 m_mapper=SPConfig::getConfig().RequestMapperManager.newPlugin(XML_REQUEST_MAPPER,e);
594 m_htaccess=new htAccessControl();
595 m_staKey=ThreadKey::create(NULL);
596 m_propsKey=ThreadKey::create(NULL);
599 RequestMapper::Settings ApacheRequestMapper::getSettings(const SPRequest& request) const
601 Settings s=m_mapper->getSettings(request);
602 m_staKey->setData((void*)dynamic_cast<const ShibTargetApache*>(&request));
603 m_propsKey->setData((void*)s.first);
604 return pair<const PropertySet*,AccessControl*>(this,s.second ? s.second : m_htaccess);
607 pair<bool,bool> ApacheRequestMapper::getBool(const char* name, const char* ns) const
609 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
610 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
612 // Override Apache-settable boolean properties.
613 if (name && !strcmp(name,"requireSession") && sta->m_dc->bRequireSession==1)
614 return make_pair(true,true);
615 else if (name && !strcmp(name,"exportAssertion") && sta->m_dc->bExportAssertion==1)
616 return make_pair(true,true);
618 return s ? s->getBool(name,ns) : make_pair(false,false);
621 pair<bool,const char*> ApacheRequestMapper::getString(const char* name, const char* ns) const
623 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
624 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
626 // Override Apache-settable string properties.
627 if (name && !strcmp(name,"authType")) {
628 const char *auth_type=ap_auth_type(sta->m_req);
630 // Check for Basic Hijack
631 if (!strcasecmp(auth_type, "basic") && sta->m_dc->bBasicHijack == 1)
632 auth_type = "shibboleth";
633 return make_pair(true,auth_type);
636 else if (name && !strcmp(name,"applicationId") && sta->m_dc->szApplicationId)
637 return pair<bool,const char*>(true,sta->m_dc->szApplicationId);
638 else if (name && !strcmp(name,"requireSessionWith") && sta->m_dc->szRequireWith)
639 return pair<bool,const char*>(true,sta->m_dc->szRequireWith);
640 else if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
641 return pair<bool,const char*>(true,sta->m_dc->szRedirectToSSL);
643 return s ? s->getString(name,ns) : pair<bool,const char*>(false,NULL);
646 pair<bool,const XMLCh*> ApacheRequestMapper::getXMLString(const char* name, const char* ns) const
648 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
649 return s ? s->getXMLString(name,ns) : pair<bool,const XMLCh*>(false,NULL);
652 pair<bool,unsigned int> ApacheRequestMapper::getUnsignedInt(const char* name, const char* ns) const
654 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
655 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
657 // Override Apache-settable int properties.
658 if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
659 return pair<bool,unsigned int>(true,strtol(sta->m_dc->szRedirectToSSL,NULL,10));
661 return s ? s->getUnsignedInt(name,ns) : pair<bool,unsigned int>(false,0);
664 pair<bool,int> ApacheRequestMapper::getInt(const char* name, const char* ns) const
666 const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
667 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
669 // Override Apache-settable int properties.
670 if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
671 return pair<bool,int>(true,atoi(sta->m_dc->szRedirectToSSL));
673 return s ? s->getInt(name,ns) : pair<bool,int>(false,0);
676 const PropertySet* ApacheRequestMapper::getPropertySet(const char* name, const char* ns) const
678 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
679 return s ? s->getPropertySet(name,ns) : NULL;
682 const DOMElement* ApacheRequestMapper::getElement() const
684 const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
685 return s ? s->getElement() : NULL;
688 static SH_AP_TABLE* groups_for_user(request_rec* r, const char* user, char* grpfile)
691 SH_AP_TABLE* grps=ap_make_table(r->pool,15);
692 char l[MAX_STRING_LEN];
693 const char *group_name, *ll, *w;
695 #ifdef SHIB_APACHE_13
696 if (!(f=ap_pcfg_openfile(r->pool,grpfile))) {
698 if (ap_pcfg_openfile(&f,r->pool,grpfile) != APR_SUCCESS) {
700 ap_log_rerror(APLOG_MARK,APLOG_DEBUG,SH_AP_R(r),"groups_for_user() could not open group file: %s\n",grpfile);
705 #ifdef SHIB_APACHE_13
706 sp=ap_make_sub_pool(r->pool);
708 if (apr_pool_create(&sp,r->pool) != APR_SUCCESS) {
709 ap_log_rerror(APLOG_MARK,APLOG_ERR,0,r,
710 "groups_for_user() could not create a subpool");
715 while (!(ap_cfg_getline(l,MAX_STRING_LEN,f))) {
716 if ((*l=='#') || (!*l))
721 group_name=ap_getword(sp,&ll,':');
724 w=ap_getword_conf(sp,&ll);
725 if (!strcmp(w,user)) {
726 ap_table_setn(grps,ap_pstrdup(r->pool,group_name),"in");
736 bool htAccessControl::authorized(const SPRequest& request, const Session* session) const
738 // Make sure the object is our type.
739 const ShibTargetApache* sta=dynamic_cast<const ShibTargetApache*>(&request);
741 throw ConfigurationException("Request wrapper object was not of correct type.");
745 int m=sta->m_req->method_number;
746 bool method_restricted=false;
749 const array_header* reqs_arr=ap_requires(sta->m_req);
753 require_line* reqs=(require_line*)reqs_arr->elts;
755 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE nelts: %d", reqs_arr->nelts);
756 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE all: %d", sta->m_dc->bRequireAll);
758 vector<bool> auth_OK(reqs_arr->nelts,false);
760 #define SHIB_AP_CHECK_IS_OK { \
761 if (sta->m_dc->bRequireAll < 1) \
767 for (int x=0; x<reqs_arr->nelts; x++) {
769 if (!(reqs[x].method_mask & (1 << m)))
771 method_restricted=true;
772 string remote_user = request.getRemoteUser();
774 t = reqs[x].requirement;
775 w = ap_getword_white(sta->m_req->pool, &t);
777 if (!strcasecmp(w,"shibboleth")) {
778 // This is a dummy rule needed because Apache conflates authn and authz.
779 // Without some require rule, AuthType is ignored and no check_user hooks run.
782 else if (!strcmp(w,"valid-user")) {
784 request.log(SPRequest::SPDebug,"htAccessControl plugin accepting valid-user based on active session");
788 request.log(SPRequest::SPError,"htAccessControl plugin rejecting access for valid-user rule, no session is active");
790 else if (!strcmp(w,"user") && !remote_user.empty()) {
793 w=ap_getword_conf(sta->m_req->pool,&t);
801 // To do regex matching, we have to convert from UTF-8.
802 auto_ptr<XMLCh> trans(fromUTF8(w));
803 RegularExpression re(trans.get());
804 auto_ptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
805 if (re.matches(trans2.get())) {
806 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
810 catch (XMLException& ex) {
811 auto_ptr_char tmp(ex.getMessage());
812 request.log(SPRequest::SPError,
813 string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
816 else if (remote_user==w) {
817 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
822 else if (!strcmp(w,"group")) {
823 SH_AP_TABLE* grpstatus=NULL;
824 if (sta->m_dc->szAuthGrpFile && !remote_user.empty()) {
825 request.log(SPRequest::SPDebug,string("htAccessControl plugin using groups file: ") + sta->m_dc->szAuthGrpFile);
826 grpstatus=groups_for_user(sta->m_req,remote_user.c_str(),sta->m_dc->szAuthGrpFile);
832 w=ap_getword_conf(sta->m_req->pool,&t);
833 if (ap_table_get(grpstatus,w)) {
834 request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting group (") + w + ")");
840 saml::Iterator<shibboleth::IAAP*> provs=dynamic_cast<const shibtarget::IApplication&>(request.getApplication()).getAAPProviders();
841 shibboleth::AAP wrapper(provs,w);
842 if (wrapper.fail()) {
843 request.log(SPRequest::SPWarn, string("htAccessControl plugin didn't recognize require rule: ") + w);
849 if (!strcmp(wrapper->getHeader(),"REMOTE_USER"))
850 vals=remote_user.c_str();
852 if (sta->m_dc->bUseEnvVars!=0) {
853 if (sta->m_rc && sta->m_rc->env) vals=ap_table_get(sta->m_rc->env,wrapper->getHeader());
856 vals=ap_table_get(sta->m_req->headers_in,wrapper->getHeader());
859 while (*t && vals && *vals) {
860 w=ap_getword_conf(sta->m_req->pool,&t);
867 auto_ptr<RegularExpression> re;
870 auto_ptr<XMLCh> trans(fromUTF8(w));
871 auto_ptr<RegularExpression> temp(new RegularExpression(trans.get()));
875 string vals_str(vals);
877 for (unsigned int i = 0; i < vals_str.length(); i++) {
878 if (vals_str.at(i) == ';') {
880 request.log(SPRequest::SPError, string("htAccessControl plugin found invalid header encoding (") +
881 vals + "): starts with a semicolon");
882 throw saml::SAMLException("Invalid information supplied to authorization plugin.");
885 if (vals_str.at(i-1) == '\\') {
886 vals_str.erase(i-1, 1);
891 string val = vals_str.substr(j, i-j);
894 auto_ptr<XMLCh> trans(fromUTF8(val.c_str()));
895 if (re->matches(trans.get())) {
896 request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
897 ", got " + val + ": authorization granted");
901 else if ((wrapper->getCaseSensitive() && val==w) || (!wrapper->getCaseSensitive() && !strcasecmp(val.c_str(),w))) {
902 request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
903 ", got " + val + ": authorization granted.");
907 request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
908 ", got " + val + ": authoritzation not granted.");
913 string val = vals_str.substr(j, vals_str.length()-j);
915 auto_ptr<XMLCh> trans(fromUTF8(val.c_str()));
916 if (re->matches(trans.get())) {
917 request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
918 ", got " + val + ": authorization granted.");
922 else if ((wrapper->getCaseSensitive() && val==w) || (!wrapper->getCaseSensitive() && !strcasecmp(val.c_str(),w))) {
923 request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
924 ", got " + val + ": authorization granted");
928 request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
929 ", got " + val + ": authorization not granted");
932 catch (XMLException& ex) {
933 auto_ptr_char tmp(ex.getMessage());
934 request.log(SPRequest::SPError, string("htAccessControl plugin caught exception while parsing regular expression (")
935 + w + "): " + tmp.get());
941 // check if all require directives are true
942 bool auth_all_OK = true;
943 for (int i= 0; i<reqs_arr->nelts; i++) {
944 auth_all_OK &= auth_OK[i];
946 if (auth_all_OK || !method_restricted)
952 #ifndef SHIB_APACHE_13
955 * Empty cleanup hook, Apache 2.x doesn't check NULL very well...
957 extern "C" apr_status_t shib_exit(void* data)
960 g_Config->shutdown();
963 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,0,NULL,"shib_exit() done");
969 // Initial look at a request - create the per-request structure
970 static int shib_post_read(request_rec *r)
972 shib_request_config* rc = init_request_config(r);
974 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read: E=%s", rc->env?"env":"hdr");
976 #ifdef SHIB_DEFERRED_HEADERS
977 rc->hdr_out = ap_make_table(r->pool, 5);
978 rc->hdr_err = ap_make_table(r->pool, 5);
983 // fixups: set environment vars
985 extern "C" int shib_fixups(request_rec* r)
987 shib_request_config *rc = (shib_request_config*)ap_get_module_config(r->request_config, &mod_shib);
988 shib_dir_config *dc = (shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib);
989 if (dc->bOff==1 || dc->bUseEnvVars==0)
992 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup(%d): ENTER", (int)getpid());
994 if (rc==NULL || rc->env==NULL || ap_is_empty_table(rc->env))
997 ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup adding %d vars", ap_table_elts(rc->env)->nelts);
998 r->subprocess_env = ap_overlay_tables(r->pool, r->subprocess_env, rc->env);
1005 * Cleanup the (per-process) pool info.
1007 #ifdef SHIB_APACHE_13
1008 extern "C" void shib_child_exit(server_rec* s, SH_AP_POOL* p)
1011 extern "C" apr_status_t shib_child_exit(void* data)
1013 server_rec* s = NULL;
1016 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit(%d) dealing with g_Config..", (int)getpid());
1017 g_Config->shutdown();
1019 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit() done");
1021 #ifndef SHIB_APACHE_13
1027 * shire_child_init()
1028 * Things to do when the child process is initialized.
1029 * (or after the configs are read in apache-2)
1031 #ifdef SHIB_APACHE_13
1032 extern "C" void shib_child_init(server_rec* s, SH_AP_POOL* p)
1034 extern "C" void shib_child_init(apr_pool_t* p, server_rec* s)
1037 // Initialize runtime components.
1039 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init(%d) starting", (int)getpid());
1042 ap_log_error(APLOG_MARK,APLOG_ERR|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() already initialized!");
1047 g_Config=&shibtarget::ShibTargetConfig::getConfig();
1048 SPConfig::getConfig().setFeatures(
1050 SPConfig::Listener |
1051 SPConfig::Metadata |
1053 SPConfig::RequestMapping |
1054 SPConfig::InProcess |
1057 if (!g_Config->init(g_szSchemaDir)) {
1058 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize libraries");
1061 SPConfig::getConfig().AccessControlManager.registerFactory(HT_ACCESS_CONTROL,&htAccessFactory);
1062 SPConfig::getConfig().RequestMapperManager.registerFactory(NATIVE_REQUEST_MAPPER,&ApacheRequestMapFactory);
1064 if (!g_Config->load(g_szSHIBConfig)) {
1065 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to load configuration");
1069 ServiceProvider* conf=SPConfig::getConfig().getServiceProvider();
1070 xmltooling::Locker locker(conf);
1071 const PropertySet* props=conf->getPropertySet("Local");
1073 pair<bool,const char*> unsetValue=props->getString("unsetHeaderValue");
1074 if (unsetValue.first)
1075 g_unsetHeaderValue = unsetValue.second;
1079 ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize system");
1083 // Set the cleanup handler
1084 apr_pool_cleanup_register(p, NULL, &shib_exit, &shib_child_exit);
1086 ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() done");
1090 #ifdef SHIB_DEFERRED_HEADERS
1091 static void set_output_filter(request_rec *r)
1093 ap_add_output_filter("SHIB_HEADERS_OUT", NULL, r, r->connection);
1096 static void set_error_filter(request_rec *r)
1098 ap_add_output_filter("SHIB_HEADERS_ERR", NULL, r, r->connection);
1101 static apr_status_t do_output_filter(ap_filter_t *f, apr_bucket_brigade *in)
1103 request_rec *r = f->r;
1104 shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
1107 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);
1108 apr_table_overlap(r->headers_out, rc->hdr_out, APR_OVERLAP_TABLES_MERGE);
1111 /* remove ourselves from the filter chain */
1112 ap_remove_output_filter(f);
1114 /* send the data up the stack */
1115 return ap_pass_brigade(f->next,in);
1118 static apr_status_t do_error_filter(ap_filter_t *f, apr_bucket_brigade *in)
1120 request_rec *r = f->r;
1121 shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
1124 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);
1125 apr_table_overlap(r->err_headers_out, rc->hdr_err, APR_OVERLAP_TABLES_MERGE);
1128 /* remove ourselves from the filter chain */
1129 ap_remove_output_filter(f);
1131 /* send the data up the stack */
1132 return ap_pass_brigade(f->next,in);
1134 #endif // SHIB_DEFERRED_HEADERS
1136 typedef const char* (*config_fn_t)(void);
1138 #ifdef SHIB_APACHE_13
1140 // SHIB Module commands
1142 static command_rec shire_cmds[] = {
1143 {"ShibConfig", (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
1144 RSRC_CONF, TAKE1, "Path to shibboleth.xml config file"},
1145 {"ShibSchemaDir", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1146 RSRC_CONF, TAKE1, "Path to Shibboleth XML schema directory"},
1148 {"ShibURLScheme", (config_fn_t)shib_set_server_string_slot,
1149 (void *) XtOffsetOf (shib_server_config, szScheme),
1150 RSRC_CONF, TAKE1, "URL scheme to force into generated URLs for a vhost"},
1152 {"ShibDisable", (config_fn_t)ap_set_flag_slot,
1153 (void *) XtOffsetOf (shib_dir_config, bOff),
1154 OR_AUTHCFG, FLAG, "Disable all Shib module activity here to save processing effort"},
1155 {"ShibApplicationId", (config_fn_t)ap_set_string_slot,
1156 (void *) XtOffsetOf (shib_dir_config, szApplicationId),
1157 OR_AUTHCFG, TAKE1, "Set Shibboleth applicationId property for content"},
1158 {"ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
1159 (void *) XtOffsetOf (shib_dir_config, bBasicHijack),
1160 OR_AUTHCFG, FLAG, "Respond to AuthType Basic and convert to shibboleth"},
1161 {"ShibRequireSession", (config_fn_t)ap_set_flag_slot,
1162 (void *) XtOffsetOf (shib_dir_config, bRequireSession),
1163 OR_AUTHCFG, FLAG, "Initiates a new session if one does not exist"},
1164 {"ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
1165 (void *) XtOffsetOf (shib_dir_config, szRequireWith),
1166 OR_AUTHCFG, TAKE1, "Initiates a new session if one does not exist using a specific SessionInitiator"},
1167 {"ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
1168 (void *) XtOffsetOf (shib_dir_config, bExportAssertion),
1169 OR_AUTHCFG, FLAG, "Export SAML attribute assertion(s) to Shib-Attributes header"},
1170 {"ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
1171 (void *) XtOffsetOf (shib_dir_config, szRedirectToSSL),
1172 OR_AUTHCFG, TAKE1, "Redirect non-SSL requests to designated port" },
1173 {"AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
1174 (void *) XtOffsetOf (shib_dir_config, szAuthGrpFile),
1175 OR_AUTHCFG, TAKE1, "text file containing group names and member user IDs"},
1176 {"ShibRequireAll", (config_fn_t)ap_set_flag_slot,
1177 (void *) XtOffsetOf (shib_dir_config, bRequireAll),
1178 OR_AUTHCFG, FLAG, "All require directives must match"},
1179 {"ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
1180 (void *) XtOffsetOf (shib_dir_config, bUseEnvVars),
1181 OR_AUTHCFG, FLAG, "Export data in environment instead of headers (default)"},
1187 handler_rec shib_handlers[] = {
1188 { "shib-handler", shib_handler },
1192 module MODULE_VAR_EXPORT mod_shib = {
1193 STANDARD_MODULE_STUFF,
1194 NULL, /* initializer */
1195 create_shib_dir_config, /* dir config creater */
1196 merge_shib_dir_config, /* dir merger --- default is to override */
1197 create_shib_server_config, /* server config */
1198 merge_shib_server_config, /* merge server config */
1199 shire_cmds, /* command table */
1200 shib_handlers, /* handlers */
1201 NULL, /* filename translation */
1202 shib_check_user, /* check_user_id */
1203 shib_auth_checker, /* check auth */
1204 NULL, /* check access */
1205 NULL, /* type_checker */
1206 shib_fixups, /* fixups */
1208 NULL, /* header parser */
1209 shib_child_init, /* child_init */
1210 shib_child_exit, /* child_exit */
1211 shib_post_read /* post read-request */
1214 #elif defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22)
1216 extern "C" void shib_register_hooks (apr_pool_t *p)
1218 #ifdef SHIB_DEFERRED_HEADERS
1219 ap_register_output_filter("SHIB_HEADERS_OUT", do_output_filter, NULL, AP_FTYPE_CONTENT_SET);
1220 ap_hook_insert_filter(set_output_filter, NULL, NULL, APR_HOOK_LAST);
1221 ap_register_output_filter("SHIB_HEADERS_ERR", do_error_filter, NULL, AP_FTYPE_CONTENT_SET);
1222 ap_hook_insert_error_filter(set_error_filter, NULL, NULL, APR_HOOK_LAST);
1223 ap_hook_post_read_request(shib_post_read, NULL, NULL, APR_HOOK_MIDDLE);
1225 ap_hook_child_init(shib_child_init, NULL, NULL, APR_HOOK_MIDDLE);
1226 ap_hook_check_user_id(shib_check_user, NULL, NULL, APR_HOOK_MIDDLE);
1227 ap_hook_auth_checker(shib_auth_checker, NULL, NULL, APR_HOOK_FIRST);
1228 ap_hook_handler(shib_handler, NULL, NULL, APR_HOOK_LAST);
1229 ap_hook_fixups(shib_fixups, NULL, NULL, APR_HOOK_MIDDLE);
1232 // SHIB Module commands
1235 static command_rec shib_cmds[] = {
1236 AP_INIT_TAKE1("ShibConfig",
1237 (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
1238 RSRC_CONF, "Path to shibboleth.xml config file"),
1239 AP_INIT_TAKE1("ShibSchemaDir",
1240 (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
1241 RSRC_CONF, "Path to Shibboleth XML schema directory"),
1243 AP_INIT_TAKE1("ShibURLScheme",
1244 (config_fn_t)shib_set_server_string_slot,
1245 (void *) offsetof (shib_server_config, szScheme),
1246 RSRC_CONF, "URL scheme to force into generated URLs for a vhost"),
1248 AP_INIT_FLAG("ShibDisable", (config_fn_t)ap_set_flag_slot,
1249 (void *) offsetof (shib_dir_config, bOff),
1250 OR_AUTHCFG, "Disable all Shib module activity here to save processing effort"),
1251 AP_INIT_TAKE1("ShibApplicationId", (config_fn_t)ap_set_string_slot,
1252 (void *) offsetof (shib_dir_config, szApplicationId),
1253 OR_AUTHCFG, "Set Shibboleth applicationId property for content"),
1254 AP_INIT_FLAG("ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
1255 (void *) offsetof (shib_dir_config, bBasicHijack),
1256 OR_AUTHCFG, "Respond to AuthType Basic and convert to shibboleth"),
1257 AP_INIT_FLAG("ShibRequireSession", (config_fn_t)ap_set_flag_slot,
1258 (void *) offsetof (shib_dir_config, bRequireSession),
1259 OR_AUTHCFG, "Initiates a new session if one does not exist"),
1260 AP_INIT_TAKE1("ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
1261 (void *) offsetof (shib_dir_config, szRequireWith),
1262 OR_AUTHCFG, "Initiates a new session if one does not exist using a specific SessionInitiator"),
1263 AP_INIT_FLAG("ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
1264 (void *) offsetof (shib_dir_config, bExportAssertion),
1265 OR_AUTHCFG, "Export SAML attribute assertion(s) to Shib-Attributes header"),
1266 AP_INIT_TAKE1("ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
1267 (void *) offsetof (shib_dir_config, szRedirectToSSL),
1268 OR_AUTHCFG, "Redirect non-SSL requests to designated port"),
1269 AP_INIT_TAKE1("AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
1270 (void *) offsetof (shib_dir_config, szAuthGrpFile),
1271 OR_AUTHCFG, "Text file containing group names and member user IDs"),
1272 AP_INIT_FLAG("ShibRequireAll", (config_fn_t)ap_set_flag_slot,
1273 (void *) offsetof (shib_dir_config, bRequireAll),
1274 OR_AUTHCFG, "All require directives must match"),
1275 AP_INIT_FLAG("ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
1276 (void *) offsetof (shib_dir_config, bUseEnvVars),
1277 OR_AUTHCFG, "Export data in environment instead of headers (default)"),
1282 module AP_MODULE_DECLARE_DATA mod_shib = {
1283 STANDARD20_MODULE_STUFF,
1284 create_shib_dir_config, /* create dir config */
1285 merge_shib_dir_config, /* merge dir config --- default is to override */
1286 create_shib_server_config, /* create server config */
1287 merge_shib_server_config, /* merge server config */
1288 shib_cmds, /* command table */
1289 shib_register_hooks /* register hooks */
1293 #error "undefined APACHE version"