Path resolution for error templates.
[shibboleth/sp.git] / apache / mod_apache.cpp
index 3161beb..11a8106 100644 (file)
@@ -1,5 +1,5 @@
 /*
- *  Copyright 2001-2005 Internet2
+ *  Copyright 2001-2007 Internet2
  * 
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * limitations under the License.
  */
 
-/*
- * mod_apache.cpp -- the core Apache Module code
- *
- * Created by: Derek Atkins <derek@ihtfp.com>
- *
- * $Id$
+/**
+ * mod_apache.cpp
+ * 
+ * Apache module implementation
  */
 
+#define SHIBSP_LITE
+
 #ifdef SOLARIS2
 #undef _XOPEN_SOURCE    // causes gethostname conflict in unistd.h
 #endif
 # define _CRT_SECURE_NO_DEPRECATE 1
 #endif
 
+#include <shibsp/AbstractSPRequest.h>
 #include <shibsp/AccessControl.h>
 #include <shibsp/exceptions.h>
 #include <shibsp/RequestMapper.h>
 #include <shibsp/SPConfig.h>
-
-// SAML Runtime
-#include <saml/saml.h>
-#include <shib/shib.h>
-#include <shib-target/shib-target.h>
+#include <shibsp/ServiceProvider.h>
+#include <shibsp/SessionCache.h>
+#include <shibsp/attribute/Attribute.h>
+#include <xercesc/util/XMLUniDefs.hpp>
 #include <xercesc/util/regx/RegularExpression.hpp>
+#include <xmltooling/XMLToolingConfig.h>
 #include <xmltooling/util/NDC.h>
 #include <xmltooling/util/Threads.h>
+#include <xmltooling/util/XMLConstants.h>
+#include <xmltooling/util/XMLHelper.h>
 
 #ifdef WIN32
 # include <winsock.h>
 #define CORE_PRIVATE
 #include <http_core.h>
 #include <http_log.h>
+#include <http_request.h>
 
 #ifndef SHIB_APACHE_13
-#include <http_request.h>
+#include <apr_buckets.h>
 #include <apr_strings.h>
 #include <apr_pools.h>
 #endif
 #endif
 
 using namespace shibsp;
-using namespace shibtarget;
 using namespace xmltooling;
 using namespace std;
+using xercesc::RegularExpression;
+using xercesc::XMLException;
 
 extern "C" module MODULE_VAR_EXPORT mod_shib;
 
 namespace {
     char* g_szSHIBConfig = NULL;
     char* g_szSchemaDir = NULL;
-    ShibTargetConfig* g_Config = NULL;
+    char* g_szPrefix = NULL;
+    SPConfig* g_Config = NULL;
     string g_unsetHeaderValue;
+    bool g_checkSpoofing = true;
+    bool g_catchAll = false;
     static const char* g_UserDataKey = "_shib_check_user_";
+    static const XMLCh path[] = UNICODE_LITERAL_4(p,a,t,h);
+    static const XMLCh validate[] = UNICODE_LITERAL_8(v,a,l,i,d,a,t,e);
 }
 
 /* Apache 2.2.x headers must be accumulated and set in the output filter.
@@ -133,9 +143,12 @@ extern "C" void* merge_shib_server_config (SH_AP_POOL* p, void* base, void* sub)
 // per-dir module configuration structure
 struct shib_dir_config
 {
+    SH_AP_TABLE* tSettings; // generic table of extensible settings
+
     // RM Configuration
     char* szAuthGrpFile;    // Auth GroupFile name
-    int bRequireAll;        // all require directives must match, otherwise OR logic
+    int bRequireAll;        // all "known" require directives must match, otherwise OR logic
+    int bAuthoritative;     // allow htaccess plugin to DECLINE when authz fails
 
     // Content Configuration
     char* szApplicationId;  // Shib applicationId value
@@ -145,23 +158,27 @@ struct shib_dir_config
     int bBasicHijack;       // activate for AuthType Basic?
     int bRequireSession;    // require a session?
     int bExportAssertion;   // export SAML assertion to the environment?
-    int bUseEnvVars;        // use environment instead of headers?
+    int bUseEnvVars;        // use environment?
+    int bUseHeaders;        // use headers?
 };
 
 // creates per-directory config structure
 extern "C" void* create_shib_dir_config (SH_AP_POOL* p, char* d)
 {
     shib_dir_config* dc=(shib_dir_config*)ap_pcalloc(p,sizeof(shib_dir_config));
+    dc->tSettings = NULL;
+    dc->szAuthGrpFile = NULL;
+    dc->bRequireAll = -1;
+    dc->bAuthoritative = -1;
+    dc->szApplicationId = NULL;
+    dc->szRequireWith = NULL;
+    dc->szRedirectToSSL = NULL;
     dc->bOff = -1;
     dc->bBasicHijack = -1;
     dc->bRequireSession = -1;
     dc->bExportAssertion = -1;
-    dc->bRequireAll = -1;
-    dc->szRedirectToSSL = NULL;
-    dc->szAuthGrpFile = NULL;
-    dc->szApplicationId = NULL;
-    dc->szRequireWith = NULL;
     dc->bUseEnvVars = -1;
+    dc->bUseHeaders = -1;
     return dc;
 }
 
@@ -172,6 +189,17 @@ extern "C" void* merge_shib_dir_config (SH_AP_POOL* p, void* base, void* sub)
     shib_dir_config* parent=(shib_dir_config*)base;
     shib_dir_config* child=(shib_dir_config*)sub;
 
+    // The child supersedes any matching table settings in the parent.
+    dc->tSettings = NULL;
+    if (parent->tSettings)
+        dc->tSettings = ap_copy_table(p, parent->tSettings);
+    if (child->tSettings) {
+        if (dc->tSettings)
+            ap_overlap_tables(dc->tSettings, child->tSettings, AP_OVERLAP_TABLES_SET);
+        else
+            dc->tSettings = ap_copy_table(p, child->tSettings);
+    }
+
     if (child->szAuthGrpFile)
         dc->szAuthGrpFile=ap_pstrdup(p,child->szAuthGrpFile);
     else if (parent->szAuthGrpFile)
@@ -205,7 +233,9 @@ extern "C" void* merge_shib_dir_config (SH_AP_POOL* p, void* base, void* sub)
     dc->bRequireSession=((child->bRequireSession==-1) ? parent->bRequireSession : child->bRequireSession);
     dc->bExportAssertion=((child->bExportAssertion==-1) ? parent->bExportAssertion : child->bExportAssertion);
     dc->bRequireAll=((child->bRequireAll==-1) ? parent->bRequireAll : child->bRequireAll);
+    dc->bAuthoritative=((child->bAuthoritative==-1) ? parent->bAuthoritative : child->bAuthoritative);
     dc->bUseEnvVars=((child->bUseEnvVars==-1) ? parent->bUseEnvVars : child->bUseEnvVars);
+    dc->bUseHeaders=((child->bUseHeaders==-1) ? parent->bUseHeaders : child->bUseHeaders);
     return dc;
 }
 
@@ -215,7 +245,6 @@ struct shib_request_config
     SH_AP_TABLE *env;        // environment vars
 #ifdef SHIB_DEFERRED_HEADERS
     SH_AP_TABLE *hdr_out;    // headers to browser
-    SH_AP_TABLE *hdr_err;    // err headers to browser
 #endif
 };
 
@@ -256,14 +285,24 @@ extern "C" const char* shib_ap_set_file_slot(cmd_parms* parms,
   return DECLINE_CMD;
 }
 
+extern "C" const char* shib_table_set(cmd_parms* parms, shib_dir_config* dc, const char* arg1, const char* arg2)
+{
+    if (!dc->tSettings)
+        dc->tSettings = ap_make_table(parms->pool, 4);
+    ap_table_set(dc->tSettings, arg1, arg2);
+    return NULL;
+}
+
 /********************************************************************************/
 // Apache ShibTarget subclass(es) here.
 
-class ShibTargetApache : public ShibTarget
+class ShibTargetApache : public AbstractSPRequest
 {
+  bool m_handler;
   mutable string m_body;
   mutable bool m_gotBody;
-  vector<XSECCryptoX509*> m_certs;
+  mutable vector<string> m_certs;
+  set<string> m_allhttp;
 
 public:
   request_rec* m_req;
@@ -271,11 +310,13 @@ public:
   shib_server_config* m_sc;
   shib_request_config* m_rc;
 
-  ShibTargetApache(request_rec* req) : m_gotBody(false) {
+  ShibTargetApache(request_rec* req, bool handler) : AbstractSPRequest(SHIBSP_LOGCAT".Apache"), m_handler(handler), m_gotBody(false) {
     m_sc = (shib_server_config*)ap_get_module_config(req->server->module_config, &mod_shib);
     m_dc = (shib_dir_config*)ap_get_module_config(req->per_dir_config, &mod_shib);
     m_rc = (shib_request_config*)ap_get_module_config(req->request_config, &mod_shib);
     m_req = req;
+
+    setRequestURI(m_req->unparsed_uri);
   }
   virtual ~ShibTargetApache() {}
 
@@ -288,9 +329,6 @@ public:
   int getPort() const {
     return ap_get_server_port(m_req);
   }
-  const char* getRequestURI() const {
-    return m_req->unparsed_uri;
-  }
   const char* getMethod() const {
     return m_req->method;
   }
@@ -318,58 +356,120 @@ public:
   }
   const char* getQueryString() const { return m_req->args; }
   const char* getRequestBody() const {
-    if (m_gotBody)
+    if (m_gotBody || m_req->method_number==M_GET)
         return m_body.c_str();
+#ifdef SHIB_APACHE_13
     // Read the posted data
-    if (ap_setup_client_block(m_req, REQUEST_CHUNKED_ERROR))
-        throw opensaml::BindingException("Apache function (setup_client_block) failed while reading POST request body.");
-    if (!ap_should_client_block(m_req))
-        throw opensaml::BindingException("Apache function (should_client_block) failed while reading POST request body.");
+    if (ap_setup_client_block(m_req, REQUEST_CHUNKED_DECHUNK) != OK) {
+        m_gotBody=true;
+        log(SPError, "Apache function (setup_client_block) failed while reading request body.");
+        return m_body.c_str();
+    }
+    if (!ap_should_client_block(m_req)) {
+        m_gotBody=true;
+        log(SPError, "Apache function (should_client_block) failed while reading request body.");
+        return m_body.c_str();
+    }
     if (m_req->remaining > 1024*1024)
-        throw opensaml::BindingException("Blocked POST request body larger than size limit.");
+        throw opensaml::SecurityPolicyException("Blocked request body larger than 1M size limit.");
     m_gotBody=true;
+    int len;
     char buff[HUGE_STRING_LEN];
     ap_hard_timeout("[mod_shib] getRequestBody", m_req);
-    memset(buff, 0, sizeof(buff));
-    while (ap_get_client_block(m_req, buff, sizeof(buff)-1) > 0) {
+    while ((len=ap_get_client_block(m_req, buff, sizeof(buff))) > 0) {
       ap_reset_timeout(m_req);
-      m_body += buff;
-      memset(buff, 0, sizeof(buff));
+      m_body.append(buff, len);
     }
     ap_kill_timeout(m_req);
+#else
+    const char *data;
+    apr_size_t len;
+    int seen_eos = 0;
+    apr_bucket_brigade* bb = apr_brigade_create(m_req->pool, m_req->connection->bucket_alloc);
+    do {
+        apr_bucket *bucket;
+        apr_status_t rv = ap_get_brigade(m_req->input_filters, bb, AP_MODE_READBYTES, APR_BLOCK_READ, HUGE_STRING_LEN);
+        if (rv != APR_SUCCESS) {
+            log(SPError, "Apache function (ap_get_brigade) failed while reading request body.");
+            break;
+        }
+
+        for (bucket = APR_BRIGADE_FIRST(bb); bucket != APR_BRIGADE_SENTINEL(bb); bucket = APR_BUCKET_NEXT(bucket)) {
+            if (APR_BUCKET_IS_EOS(bucket)) {
+                seen_eos = 1;
+                break;
+            }
+
+            /* We can't do much with this. */
+            if (APR_BUCKET_IS_FLUSH(bucket))
+                continue;
+
+            /* read */
+            apr_bucket_read(bucket, &data, &len, APR_BLOCK_READ);
+            if (len > 0)
+                m_body.append(data, len);
+        }
+        apr_brigade_cleanup(bb);
+    } while (!seen_eos);
+    apr_brigade_destroy(bb);
+    m_gotBody=true;
+#endif
     return m_body.c_str();
   }
-  void clearHeader(const char* name) {
-    if (m_dc->bUseEnvVars!=0) {
-       // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: env\n");
-       if (m_rc && m_rc->env) ap_table_unset(m_rc->env, name);
-    } else {
+  void clearHeader(const char* rawname, const char* cginame) {
+    if (m_dc->bUseHeaders == 1) {
        // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_clear_header: hdr\n");
-       ap_table_unset(m_req->headers_in, name);
-       ap_table_set(m_req->headers_in, name, g_unsetHeaderValue.c_str());
+        if (g_checkSpoofing && ap_is_initial_req(m_req)) {
+            if (m_allhttp.empty()) {
+                // First time, so populate set with "CGI" versions of client-supplied headers.
+#ifdef SHIB_APACHE_13
+                array_header *hdrs_arr = ap_table_elts(m_req->headers_in);
+                table_entry *hdrs = (table_entry *) hdrs_arr->elts;
+#else
+                const apr_array_header_t *hdrs_arr = apr_table_elts(m_req->headers_in);
+                const apr_table_entry_t *hdrs = (const apr_table_entry_t *) hdrs_arr->elts;
+#endif
+                for (int i = 0; i < hdrs_arr->nelts; ++i) {
+                    if (!hdrs[i].key)
+                        continue;
+                    string cgiversion("HTTP_");
+                    const char* pch = hdrs[i].key;
+                    while (*pch) {
+                        cgiversion += (isalnum(*pch) ? toupper(*pch) : '_');
+                        pch++;
+                    }
+                    m_allhttp.insert(cgiversion);
+                }
+            }
+
+            if (m_allhttp.count(cginame) > 0)
+                throw opensaml::SecurityPolicyException("Attempt to spoof header ($1) was detected.", params(1, rawname));
+        }
+        ap_table_unset(m_req->headers_in, rawname);
+        ap_table_set(m_req->headers_in, rawname, g_unsetHeaderValue.c_str());
     }
   }
   void setHeader(const char* name, const char* value) {
-    if (m_dc->bUseEnvVars!=0) {
+    if (m_dc->bUseEnvVars != 0) {
        if (!m_rc) {
           // this happens on subrequests
           // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_setheader: no_m_rc\n");
           m_rc = init_request_config(m_req);
        }
-       if (!m_rc->env) m_rc->env = ap_make_table(m_req->pool, 10);
+       if (!m_rc->env)
+           m_rc->env = ap_make_table(m_req->pool, 10);
        // ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(m_req), "shib_set_env: %s=%s\n", name, value?value:"Null");
-       ap_table_set(m_rc->env, name, value?value:"");
+       ap_table_set(m_rc->env, name, value ? value : "");
     }
-    else {
+    if (m_dc->bUseHeaders == 1)
        ap_table_set(m_req->headers_in, name, value);
-    }
   }
   string getHeader(const char* name) const {
     const char* hdr = ap_table_get(m_req->headers_in, name);
     return string(hdr ? hdr : "");
   }
   string getSecureHeader(const char* name) const {
-    if (m_dc->bUseEnvVars!=0) {
+    if (m_dc->bUseEnvVars != 0) {
        const char *hdr;
        if (m_rc && m_rc->env)
            hdr = ap_table_get(m_rc->env, name);
@@ -393,11 +493,11 @@ public:
    if (!m_rc)
       // this happens on subrequests
       m_rc = init_request_config(m_req);
-    ap_table_add(m_rc->hdr_err, name, value);
-    ap_table_add(m_rc->hdr_out, name, value);
-#else
-    ap_table_add(m_req->err_headers_out, name, value);
+    if (m_handler)
+        ap_table_add(m_rc->hdr_out, name, value);
+    else
 #endif
+    ap_table_add(m_req->err_headers_out, name, value);
   }
   long sendResponse(istream& in, long status) {
     ap_send_http_header(m_req);
@@ -406,13 +506,29 @@ public:
         in.read(buf,1024);
         ap_rwrite(buf,in.gcount(),m_req);
     }
-    return ((status==SAML_HTTP_STATUS_OK) ? DONE : status);
+    if (status != XMLTOOLING_HTTP_STATUS_OK) {
+        m_req->status = status;
+        if (status != XMLTOOLING_HTTP_STATUS_ERROR)
+            return status;
+    }
+    return DONE;
   }
   long sendRedirect(const char* url) {
     ap_table_set(m_req->headers_out, "Location", url);
     return REDIRECT;
   }
-  const vector<XSECCryptoX509*>& getClientCertificates() const {
+  const vector<string>& getClientCertificates() const {
+      if (m_certs.empty()) {
+          const char* cert = ap_table_get(m_req->subprocess_env, "SSL_CLIENT_CERT");
+          if (cert)
+              m_certs.push_back(cert);
+          int i = 0;
+          do {
+              cert = ap_table_get(m_req->subprocess_env, ap_psprintf(m_req->pool, "SSL_CLIENT_CERT_CHAIN_%d", i++));
+              if (cert)
+                  m_certs.push_back(cert);
+          } while (cert);
+      }
       return m_certs;
   }
   long returnDecline(void) { return DECLINED; }
@@ -428,22 +544,22 @@ extern "C" int shib_check_user(request_rec* r)
   if (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bOff==1)
     return DECLINED;
     
-  ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_check_user(%d): ENTER\n", (int)getpid());
+  ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_check_user(%d): ENTER", (int)getpid());
 
   ostringstream threadid;
   threadid << "[" << getpid() << "] shib_check_user" << '\0';
   xmltooling::NDC ndc(threadid.str().c_str());
 
   try {
-    ShibTargetApache sta(r);
+    ShibTargetApache sta(r,false);
 
     // Check user authentication and export information, then set the handler bypass
-    pair<bool,long> res = sta.doCheckAuthN(true);
+    pair<bool,long> res = sta.getServiceProvider().doAuthentication(sta,true);
     apr_pool_userdata_setn((const void*)42,g_UserDataKey,NULL,r->pool);
     if (res.first) return res.second;
 
     // user auth was okay -- export the assertions now
-    res = sta.doExportAssertions();
+    res = sta.getServiceProvider().doExport(sta);
     if (res.first) return res.second;
 
     // export happened successfully..  this user is ok.
@@ -453,12 +569,12 @@ extern "C" int shib_check_user(request_rec* r)
     ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an exception: %s", e.what());
     return SERVER_ERROR;
   }
-#ifndef _DEBUG
   catch (...) {
-    ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an uncaught exception!");
-    return SERVER_ERROR;
+    ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_check_user threw an unknown exception!");
+    if (g_catchAll)
+      return SERVER_ERROR;
+    throw;
   }
-#endif
 }
 
 extern "C" int shib_handler(request_rec* r)
@@ -486,9 +602,9 @@ extern "C" int shib_handler(request_rec* r)
   ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_handler(%d): ENTER: %s", (int)getpid(), r->handler);
 
   try {
-    ShibTargetApache sta(r);
+    ShibTargetApache sta(r,true);
 
-    pair<bool,long> res = sta.doHandler();
+    pair<bool,long> res = sta.getServiceProvider().doHandler(sta);
     if (res.first) return res.second;
 
     ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "doHandler() did not do anything.");
@@ -498,12 +614,12 @@ extern "C" int shib_handler(request_rec* r)
     ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an exception: %s", e.what());
     return SERVER_ERROR;
   }
-#ifndef _DEBUG
   catch (...) {
-    ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an uncaught exception!");
-    return SERVER_ERROR;
+    ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_handler threw an unknown exception!");
+    if (g_catchAll)
+      return SERVER_ERROR;
+    throw;
   }
-#endif
 }
 
 /*
@@ -523,24 +639,25 @@ extern "C" int shib_auth_checker(request_rec* r)
   xmltooling::NDC ndc(threadid.str().c_str());
 
   try {
-    ShibTargetApache sta(r);
+    ShibTargetApache sta(r,false);
 
-    pair<bool,long> res = sta.doCheckAuthZ();
+    pair<bool,long> res = sta.getServiceProvider().doAuthorization(sta);
     if (res.first) return res.second;
 
-    // We're all okay.
-    return OK;
+    // The SP method should always return true, so if we get this far, something unusual happened.
+    // Just let Apache (or some other module) decide what to do.
+    return DECLINED;
   }
   catch (exception& e) {
     ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an exception: %s", e.what());
     return SERVER_ERROR;
   }
-#ifndef _DEBUG
   catch (...) {
-    ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an uncaught exception!");
-    return SERVER_ERROR;
+    ap_log_rerror(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, SH_AP_R(r), "shib_auth_checker threw an unknown exception!");
+    if (g_catchAll)
+      return SERVER_ERROR;
+    throw;
   }
-#endif
 }
 
 // Access control plugin that enforces htaccess rules
@@ -551,10 +668,12 @@ public:
     ~htAccessControl() {}
     Lockable* lock() {return this;}
     void unlock() {}
-    bool authorized(const SPRequest& request, const Session* session) const;
+    aclresult_t authorized(const SPRequest& request, const Session* session) const;
+private:
+    bool checkAttribute(const SPRequest& request, const Attribute* attr, const char* toMatch, RegularExpression* re) const;
 };
 
-AccessControl* htAccessFactory(const DOMElement* const & e)
+AccessControl* htAccessFactory(const xercesc::DOMElement* const & e)
 {
     return new htAccessControl();
 }
@@ -562,19 +681,22 @@ AccessControl* htAccessFactory(const DOMElement* const & e)
 class ApacheRequestMapper : public virtual RequestMapper, public virtual PropertySet
 {
 public:
-    ApacheRequestMapper(const DOMElement* e);
+    ApacheRequestMapper(const xercesc::DOMElement* e);
     ~ApacheRequestMapper() { delete m_mapper; delete m_htaccess; delete m_staKey; delete m_propsKey; }
     Lockable* lock() { return m_mapper->lock(); }
     void unlock() { m_staKey->setData(NULL); m_propsKey->setData(NULL); m_mapper->unlock(); }
-    Settings getSettings(const SPRequest& request) const;
+    Settings getSettings(const HTTPRequest& request) const;
     
+    const PropertySet* getParent() const { return NULL; }
+    void setParent(const PropertySet*) {}
     pair<bool,bool> getBool(const char* name, const char* ns=NULL) const;
     pair<bool,const char*> getString(const char* name, const char* ns=NULL) const;
     pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=NULL) const;
     pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=NULL) const;
     pair<bool,int> getInt(const char* name, const char* ns=NULL) const;
-    const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:target:config:1.0") const;
-    const DOMElement* getElement() const;
+    void getAll(map<string,const char*>& properties) const;
+    const PropertySet* getPropertySet(const char* name, const char* ns="urn:mace:shibboleth:2.0:native:sp:config") const;
+    const xercesc::DOMElement* getElement() const;
 
 private:
     RequestMapper* m_mapper;
@@ -583,12 +705,12 @@ private:
     AccessControl* m_htaccess;
 };
 
-RequestMapper* ApacheRequestMapFactory(const DOMElement* const & e)
+RequestMapper* ApacheRequestMapFactory(const xercesc::DOMElement* const & e)
 {
     return new ApacheRequestMapper(e);
 }
 
-ApacheRequestMapper::ApacheRequestMapper(const DOMElement* e) : m_mapper(NULL), m_staKey(NULL), m_propsKey(NULL), m_htaccess(NULL)
+ApacheRequestMapper::ApacheRequestMapper(const xercesc::DOMElement* e) : m_mapper(NULL), m_staKey(NULL), m_propsKey(NULL), m_htaccess(NULL)
 {
     m_mapper=SPConfig::getConfig().RequestMapperManager.newPlugin(XML_REQUEST_MAPPER,e);
     m_htaccess=new htAccessControl();
@@ -596,7 +718,7 @@ ApacheRequestMapper::ApacheRequestMapper(const DOMElement* e) : m_mapper(NULL),
     m_propsKey=ThreadKey::create(NULL);
 }
 
-RequestMapper::Settings ApacheRequestMapper::getSettings(const SPRequest& request) const
+RequestMapper::Settings ApacheRequestMapper::getSettings(const HTTPRequest& request) const
 {
     Settings s=m_mapper->getSettings(request);
     m_staKey->setData((void*)dynamic_cast<const ShibTargetApache*>(&request));
@@ -610,10 +732,15 @@ pair<bool,bool> ApacheRequestMapper::getBool(const char* name, const char* ns) c
     const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
     if (sta && !ns) {
         // Override Apache-settable boolean properties.
-        if (name && !strcmp(name,"requireSession") && sta->m_dc->bRequireSession==1)
-            return make_pair(true,true);
-        else if (name && !strcmp(name,"exportAssertion") && sta->m_dc->bExportAssertion==1)
-            return make_pair(true,true);
+        if (name && !strcmp(name,"requireSession") && sta->m_dc->bRequireSession != -1)
+            return make_pair(true, sta->m_dc->bRequireSession==1);
+        else if (name && !strcmp(name,"exportAssertion") && sta->m_dc->bExportAssertion != -1)
+            return make_pair(true, sta->m_dc->bExportAssertion==1);
+        else if (sta->m_dc->tSettings) {
+            const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+            if (prop)
+                return make_pair(true, !strcmp(prop, "true") || !strcmp(prop, "1") || !strcmp(prop, "On"));
+        }
     }
     return s ? s->getBool(name,ns) : make_pair(false,false);
 }
@@ -639,6 +766,11 @@ pair<bool,const char*> ApacheRequestMapper::getString(const char* name, const ch
             return pair<bool,const char*>(true,sta->m_dc->szRequireWith);
         else if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
             return pair<bool,const char*>(true,sta->m_dc->szRedirectToSSL);
+        else if (sta->m_dc->tSettings) {
+            const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+            if (prop)
+                return make_pair(true, prop);
+        }
     }
     return s ? s->getString(name,ns) : pair<bool,const char*>(false,NULL);
 }
@@ -656,7 +788,12 @@ pair<bool,unsigned int> ApacheRequestMapper::getUnsignedInt(const char* name, co
     if (sta && !ns) {
         // Override Apache-settable int properties.
         if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
-            return pair<bool,unsigned int>(true,strtol(sta->m_dc->szRedirectToSSL,NULL,10));
+            return pair<bool,unsigned int>(true, strtol(sta->m_dc->szRedirectToSSL, NULL, 10));
+        else if (sta->m_dc->tSettings) {
+            const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+            if (prop)
+                return pair<bool,unsigned int>(true, atoi(prop));
+        }
     }
     return s ? s->getUnsignedInt(name,ns) : pair<bool,unsigned int>(false,0);
 }
@@ -669,17 +806,52 @@ pair<bool,int> ApacheRequestMapper::getInt(const char* name, const char* ns) con
         // Override Apache-settable int properties.
         if (name && !strcmp(name,"redirectToSSL") && sta->m_dc->szRedirectToSSL)
             return pair<bool,int>(true,atoi(sta->m_dc->szRedirectToSSL));
+        else if (sta->m_dc->tSettings) {
+            const char* prop = ap_table_get(sta->m_dc->tSettings, name);
+            if (prop)
+                return make_pair(true, atoi(prop));
+        }
     }
     return s ? s->getInt(name,ns) : pair<bool,int>(false,0);
 }
 
+void ApacheRequestMapper::getAll(map<string,const char*>& properties) const
+{
+    const ShibTargetApache* sta=reinterpret_cast<const ShibTargetApache*>(m_staKey->getData());
+    const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
+
+    if (s)
+        s->getAll(properties);
+    if (!sta)
+        return;
+
+    const char* auth_type=ap_auth_type(sta->m_req);
+    if (auth_type) {
+        // Check for Basic Hijack
+        if (!strcasecmp(auth_type, "basic") && sta->m_dc->bBasicHijack == 1)
+            auth_type = "shibboleth";
+        properties["authType"] = auth_type;
+    }
+
+    if (sta->m_dc->szApplicationId)
+        properties["applicationId"] = sta->m_dc->szApplicationId;
+    if (sta->m_dc->szRequireWith)
+        properties["requireSessionWith"] = sta->m_dc->szRequireWith;
+    if (sta->m_dc->szRedirectToSSL)
+        properties["redirectToSSL"] = sta->m_dc->szRedirectToSSL;
+    if (sta->m_dc->bRequireSession != 0)
+        properties["requireSession"] = (sta->m_dc->bRequireSession==1) ? "true" : "false";
+    if (sta->m_dc->bExportAssertion != 0)
+        properties["exportAssertion"] = (sta->m_dc->bExportAssertion==1) ? "true" : "false";
+}
+
 const PropertySet* ApacheRequestMapper::getPropertySet(const char* name, const char* ns) const
 {
     const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
     return s ? s->getPropertySet(name,ns) : NULL;
 }
 
-const DOMElement* ApacheRequestMapper::getElement() const
+const xercesc::DOMElement* ApacheRequestMapper::getElement() const
 {
     const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
     return s ? s->getElement() : NULL;
@@ -733,7 +905,32 @@ static SH_AP_TABLE* groups_for_user(request_rec* r, const char* user, char* grpf
     return grps;
 }
 
-bool htAccessControl::authorized(const SPRequest& request, const Session* session) const
+bool htAccessControl::checkAttribute(const SPRequest& request, const Attribute* attr, const char* toMatch, RegularExpression* re) const
+{
+    bool caseSensitive = attr->isCaseSensitive();
+    const vector<string>& vals = attr->getSerializedValues();
+    for (vector<string>::const_iterator v=vals.begin(); v!=vals.end(); ++v) {
+        if (re) {
+            auto_arrayptr<XMLCh> trans(fromUTF8(v->c_str()));
+            if (re->matches(trans.get())) {
+                if (request.isPriorityEnabled(SPRequest::SPDebug))
+                    request.log(SPRequest::SPDebug, string("htaccess: expecting regexp ") + toMatch + ", got " + *v + ": acccepted");
+                return true;
+            }
+        }
+        else if ((caseSensitive && *v == toMatch) || (!caseSensitive && !strcasecmp(v->c_str(), toMatch))) {
+            if (request.isPriorityEnabled(SPRequest::SPDebug))
+                request.log(SPRequest::SPDebug, string("htaccess: expecting ") + toMatch + ", got " + *v + ": accepted");
+            return true;
+        }
+        else if (request.isPriorityEnabled(SPRequest::SPDebug)) {
+            request.log(SPRequest::SPDebug, string("htaccess: expecting ") + toMatch + ", got " + *v + ": rejected");
+        }
+    }
+    return false;
+}
+
+AccessControl::aclresult_t htAccessControl::authorized(const SPRequest& request, const Session* session) const
 {
     // Make sure the object is our type.
     const ShibTargetApache* sta=dynamic_cast<const ShibTargetApache*>(&request);
@@ -748,27 +945,21 @@ bool htAccessControl::authorized(const SPRequest& request, const Session* sessio
     
     const array_header* reqs_arr=ap_requires(sta->m_req);
     if (!reqs_arr)
-        return true;
+        return shib_acl_indeterminate;  // should never happen
 
     require_line* reqs=(require_line*)reqs_arr->elts;
-    
-    ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE nelts: %d", reqs_arr->nelts);
-    ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(sta->m_req),"REQUIRE all: %d", sta->m_dc->bRequireAll);
-
-    vector<bool> auth_OK(reqs_arr->nelts,false);
-
-#define SHIB_AP_CHECK_IS_OK {           \
-     if (sta->m_dc->bRequireAll < 1)    \
-         return true;                   \
-     auth_OK[x] = true;                 \
-     continue;                          \
-}
 
     for (int x=0; x<reqs_arr->nelts; x++) {
-        auth_OK[x] = false;
+        // This rule should be completely ignored, the method doesn't fit.
+        // The rule just doesn't exist for our purposes.
         if (!(reqs[x].method_mask & (1 << m)))
             continue;
-        method_restricted=true;
+
+        method_restricted=true; // this lets us know at the end that at least one rule was potentially enforcable.
+
+        // Tracks status of this rule's evaluation.
+        bool status = false;
+
         string remote_user = request.getRemoteUser();
 
         t = reqs[x].requirement;
@@ -777,86 +968,135 @@ bool htAccessControl::authorized(const SPRequest& request, const Session* sessio
         if (!strcasecmp(w,"shibboleth")) {
             // This is a dummy rule needed because Apache conflates authn and authz.
             // Without some require rule, AuthType is ignored and no check_user hooks run.
-            SHIB_AP_CHECK_IS_OK;
+            status = true;  // treat it as an "accepted" rule
         }
-        else if (!strcmp(w,"valid-user")) {
-            if (session) {
-                request.log(SPRequest::SPDebug,"htAccessControl plugin accepting valid-user based on active session");
-                SHIB_AP_CHECK_IS_OK;
-            }
-            else
-                request.log(SPRequest::SPError,"htAccessControl plugin rejecting access for valid-user rule, no session is active");
+        else if (!strcmp(w,"valid-user") && session) {
+            request.log(SPRequest::SPDebug, "htaccess: accepting valid-user based on active session");
+            status = true;
         }
         else if (!strcmp(w,"user") && !remote_user.empty()) {
-            bool regexp=false;
+            bool regexp=false,negate=false;
             while (*t) {
                 w=ap_getword_conf(sta->m_req->pool,&t);
                 if (*w=='~') {
                     regexp=true;
                     continue;
                 }
-                
+                else if (*w=='!') {
+                    negate=true;
+                    if (*(w+1)=='~')
+                        regexp=true;
+                    continue;
+                }
+
+                // Figure out if there's a match.
+                bool match = false;
                 if (regexp) {
                     try {
                         // To do regex matching, we have to convert from UTF-8.
-                        auto_ptr<XMLCh> trans(fromUTF8(w));
+                        auto_arrayptr<XMLCh> trans(fromUTF8(w));
                         RegularExpression re(trans.get());
-                        auto_ptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
-                        if (re.matches(trans2.get())) {
-                            request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
-                            SHIB_AP_CHECK_IS_OK;
-                        }
+                        auto_arrayptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
+                        match = re.matches(trans2.get());
                     }
                     catch (XMLException& ex) {
                         auto_ptr_char tmp(ex.getMessage());
                         request.log(SPRequest::SPError,
-                            string("htAccessControl plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
+                            string("htaccess plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
                     }
                 }
                 else if (remote_user==w) {
-                    request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting user (") + w + ")");
-                    SHIB_AP_CHECK_IS_OK;
+                    match = true;
+                }
+
+                if (match) {
+                    // If we matched, then we're done with this rule either way and status is set to reflect the outcome.
+                    status = !negate;
+                    if (request.isPriorityEnabled(SPRequest::SPDebug))
+                        request.log(SPRequest::SPDebug,
+                            string("htaccess: require user ") + (negate ? "rejecting (" : "accepting (") + remote_user + ")");
+                    break;
                 }
             }
         }
-        else if (!strcmp(w,"group")) {
+        else if (!strcmp(w,"group")  && !remote_user.empty()) {
             SH_AP_TABLE* grpstatus=NULL;
-            if (sta->m_dc->szAuthGrpFile && !remote_user.empty()) {
-                request.log(SPRequest::SPDebug,string("htAccessControl plugin using groups file: ") + sta->m_dc->szAuthGrpFile);
+            if (sta->m_dc->szAuthGrpFile) {
+                if (request.isPriorityEnabled(SPRequest::SPDebug))
+                    request.log(SPRequest::SPDebug,string("htaccess plugin using groups file: ") + sta->m_dc->szAuthGrpFile);
                 grpstatus=groups_for_user(sta->m_req,remote_user.c_str(),sta->m_dc->szAuthGrpFile);
             }
-            if (!grpstatus)
-                return false;
     
+            bool negate=false;
             while (*t) {
                 w=ap_getword_conf(sta->m_req->pool,&t);
-                if (ap_table_get(grpstatus,w)) {
-                    request.log(SPRequest::SPDebug, string("htAccessControl plugin accepting group (") + w + ")");
-                    SHIB_AP_CHECK_IS_OK;
+                if (*w=='!') {
+                    negate=true;
+                    continue;
+                }
+
+                if (grpstatus && ap_table_get(grpstatus,w)) {
+                    // If we matched, then we're done with this rule either way and status is set to reflect the outcome.
+                    status = !negate;
+                    request.log(SPRequest::SPDebug, string("htaccess: require group ") + (negate ? "rejecting (" : "accepting (") + w + ")");
+                    break;
                 }
             }
         }
-        else {
-            saml::Iterator<shibboleth::IAAP*> provs=dynamic_cast<const IApplication&>(request.getApplication()).getAAPProviders();
-            shibboleth::AAP wrapper(provs,w);
-            if (wrapper.fail()) {
-                request.log(SPRequest::SPWarn, string("htAccessControl plugin didn't recognize require rule: ") + w);
-                continue;
-            }
+        else if (!strcmp(w,"authnContextClassRef") || !strcmp(w,"authnContextDeclRef")) {
+            const char* ref = !strcmp(w,"authnContextClassRef") ? session->getAuthnContextClassRef() : session->getAuthnContextDeclRef();
+            bool regexp=false,negate=false;
+            while (ref && *t) {
+                w=ap_getword_conf(sta->m_req->pool,&t);
+                if (*w=='~') {
+                    regexp=true;
+                    continue;
+                }
+                else if (*w=='!') {
+                    negate=true;
+                    if (*(w+1)=='~')
+                        regexp=true;
+                    continue;
+                }
 
-            bool regexp=false;
-            const char* vals;
-            if (!strcmp(wrapper->getHeader(),"REMOTE_USER"))
-                vals=remote_user.c_str();
-            else
-                if (sta->m_dc->bUseEnvVars!=0) {
-                   if (sta->m_rc && sta->m_rc->env) vals=ap_table_get(sta->m_rc->env,wrapper->getHeader());
-                   else vals = NULL;
-                } else {
-                   vals=ap_table_get(sta->m_req->headers_in,wrapper->getHeader());
+                // Figure out if there's a match.
+                bool match = false;
+                if (regexp) {
+                    try {
+                        // To do regex matching, we have to convert from UTF-8.
+                        RegularExpression re(w);
+                        match = re.matches(ref);
+                    }
+                    catch (XMLException& ex) {
+                        auto_ptr_char tmp(ex.getMessage());
+                        request.log(SPRequest::SPError,
+                            string("htaccess plugin caught exception while parsing regular expression (") + w + "): " + tmp.get());
+                    }
                 }
+                else if (!strcmp(w,ref)) {
+                    match = true;
+                }
+
+                if (match) {
+                    // If we matched, then we're done with this rule either way and status is set to reflect the outcome.
+                    status = !negate;
+                    if (request.isPriorityEnabled(SPRequest::SPDebug))
+                        request.log(SPRequest::SPDebug,
+                            string("htaccess: require authnContext ") + (negate ? "rejecting (" : "accepting (") + ref + ")");
+                    break;
+                }
+            }
+        }
+        else if (!session) {
+            request.log(SPRequest::SPError, string("htaccess: require ") + w + " not given a valid session, are you using lazy sessions?");
+        }
+        else {
+            // Find the attribute(s) matching the require rule.
+            pair<multimap<string,const Attribute*>::const_iterator,multimap<string,const Attribute*>::const_iterator> attrs =
+                session->getIndexedAttributes().equal_range(w);
 
-            while (*t && vals && *vals) {
+            bool regexp=false;
+            while (!status && attrs.first!=attrs.second && *t) {
                 w=ap_getword_conf(sta->m_req->pool,&t);
                 if (*w=='~') {
                     regexp=true;
@@ -867,103 +1107,68 @@ bool htAccessControl::authorized(const SPRequest& request, const Session* sessio
                     auto_ptr<RegularExpression> re;
                     if (regexp) {
                         delete re.release();
-                        auto_ptr<XMLCh> trans(fromUTF8(w));
-                        auto_ptr<RegularExpression> temp(new RegularExpression(trans.get()));
+                        auto_arrayptr<XMLCh> trans(fromUTF8(w));
+                        auto_ptr<xercesc::RegularExpression> temp(new xercesc::RegularExpression(trans.get()));
                         re=temp;
                     }
                     
-                    string vals_str(vals);
-                    int j = 0;
-                    for (unsigned int i = 0;  i < vals_str.length();  i++) {
-                        if (vals_str.at(i) == ';') {
-                            if (i == 0) {
-                                request.log(SPRequest::SPError, string("htAccessControl plugin found invalid header encoding (") +
-                                    vals + "): starts with a semicolon");
-                                throw saml::SAMLException("Invalid information supplied to authorization plugin.");
-                            }
-
-                            if (vals_str.at(i-1) == '\\') {
-                                vals_str.erase(i-1, 1);
-                                i--;
-                                continue;
-                            }
-
-                            string val = vals_str.substr(j, i-j);
-                            j = i+1;
-                            if (regexp) {
-                                auto_ptr<XMLCh> trans(fromUTF8(val.c_str()));
-                                if (re->matches(trans.get())) {
-                                    request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
-                                       ", got " + val + ": authorization granted");
-                                    SHIB_AP_CHECK_IS_OK;
-                                }
-                            }
-                            else if ((wrapper->getCaseSensitive() && val==w) || (!wrapper->getCaseSensitive() && !strcasecmp(val.c_str(),w))) {
-                                request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
-                                    ", got " + val + ": authorization granted.");
-                                SHIB_AP_CHECK_IS_OK;
-                            }
-                            else {
-                                request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
-                                    ", got " + val + ": authoritzation not granted.");
-                            }
-                        }
-                    }
-    
-                    string val = vals_str.substr(j, vals_str.length()-j);
-                    if (regexp) {
-                        auto_ptr<XMLCh> trans(fromUTF8(val.c_str()));
-                        if (re->matches(trans.get())) {
-                            request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
-                                ", got " + val + ": authorization granted.");
-                            SHIB_AP_CHECK_IS_OK;
+                    for (; !status && attrs.first!=attrs.second; ++attrs.first) {
+                        if (checkAttribute(request, attrs.first->second, w, regexp ? re.get() : NULL)) {
+                            status = true;
                         }
                     }
-                    else if ((wrapper->getCaseSensitive() && val==w) || (!wrapper->getCaseSensitive() && !strcasecmp(val.c_str(),w))) {
-                        request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
-                            ", got " + val + ": authorization granted");
-                        SHIB_AP_CHECK_IS_OK;
-                    }
-                    else {
-                            request.log(SPRequest::SPDebug, string("htAccessControl plugin expecting ") + w +
-                                ", got " + val + ": authorization not granted");
-                    }
                 }
                 catch (XMLException& ex) {
                     auto_ptr_char tmp(ex.getMessage());
-                    request.log(SPRequest::SPError, string("htAccessControl plugin caught exception while parsing regular expression (")
-                        + w + "): " + tmp.get());
+                    request.log(SPRequest::SPError,
+                        string("htaccess plugin caught exception while parsing regular expression (") + w + "): " + tmp.get()
+                        );
                 }
             }
         }
-    }
 
-    // check if all require directives are true
-    bool auth_all_OK = true;
-    for (int i= 0; i<reqs_arr->nelts; i++) {
-        auth_all_OK &= auth_OK[i];
-    }
-    if (auth_all_OK || !method_restricted)
-        return true;
+        // If status is false, we found a rule we couldn't satisfy.
+        // Could be an unknown rule to us, or it just didn't match.
 
-    return false;
-}
+        if (status && sta->m_dc->bRequireAll != 1) {
+            // If we're not insisting that all rules be met, then we're done.
+            request.log(SPRequest::SPDebug, "htaccess: a rule was successful, granting access");
+            return shib_acl_true;
+        }
+        else if (!status && sta->m_dc->bRequireAll == 1) {
+            // If we're insisting that all rules be met, which is not something Apache really handles well,
+            // then we either return false or indeterminate based on the authoritative option, which defaults on.
+            if (sta->m_dc->bAuthoritative != 0) {
+                request.log(SPRequest::SPDebug, "htaccess: a rule was unsuccessful, denying access");
+                return shib_acl_false;
+            }
 
-#ifndef SHIB_APACHE_13
-/*
- * shib_exit()
- *  Empty cleanup hook, Apache 2.x doesn't check NULL very well...
- */
-extern "C" apr_status_t shib_exit(void* data)
-{
-    if (g_Config) {
-        g_Config->shutdown();
-        g_Config = NULL;
+            request.log(SPRequest::SPDebug, "htaccess: a rule was unsuccessful but not authoritative, leaving it up to Apache");
+            return shib_acl_indeterminate;
+        }
+
+        // Otherwise, we keep going. If we're requring all, then we have to check every rule.
+        // If not we just didn't find a successful rule yet, so we keep going anyway.
     }
-    ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,0,NULL,"shib_exit() done");
-    return OK;
+
+    // If we get here, we either "failed" or we're in require all mode (but not both).
+    // If no rules possibly apply or we insisted that all rules check out, then we're good.
+    if (!method_restricted) {
+        request.log(SPRequest::SPDebug, "htaccess: no rules applied to this request method, granting access");
+        return shib_acl_true;
+    }
+    else if (sta->m_dc->bRequireAll == 1) {
+        request.log(SPRequest::SPDebug, "htaccess: all rules successful, granting access");
+        return shib_acl_true;
+    }
+    else if (sta->m_dc->bAuthoritative != 0) {
+        request.log(SPRequest::SPDebug, "htaccess: no rules were successful, denying access");
+        return shib_acl_false;
+    }
+
+    request.log(SPRequest::SPDebug, "htaccess: no rules were successful but not authoritative, leaving it up to Apache");
+    return shib_acl_indeterminate;
 }
-#endif
 
 
 // Initial look at a request - create the per-request structure
@@ -971,11 +1176,10 @@ static int shib_post_read(request_rec *r)
 {
     shib_request_config* rc = init_request_config(r);
 
-    ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read: E=%s", rc->env?"env":"hdr");
+    ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read");
 
 #ifdef SHIB_DEFERRED_HEADERS
     rc->hdr_out = ap_make_table(r->pool, 5);
-    rc->hdr_err = ap_make_table(r->pool, 5);
 #endif
     return DECLINED;
 }
@@ -1000,28 +1204,35 @@ extern "C" int shib_fixups(request_rec* r)
   return OK;
 }
 
+#ifdef SHIB_APACHE_13
 /*
  * shib_child_exit()
  *  Cleanup the (per-process) pool info.
  */
-#ifdef SHIB_APACHE_13
 extern "C" void shib_child_exit(server_rec* s, SH_AP_POOL* p)
 {
+    if (g_Config) {
+        ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit(%d) dealing with g_Config..", (int)getpid());
+        g_Config->term();
+        g_Config = NULL;
+        ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit() done");
+    }
+}
 #else
-extern "C" apr_status_t shib_child_exit(void* data)
+/*
+ * shib_exit()
+ *  Apache 2.x doesn't allow for per-child cleanup, causes CGI forks to hang.
+ */
+extern "C" apr_status_t shib_exit(void* data)
 {
-  server_rec* s = NULL;
-#endif
-
-    ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit(%d) dealing with g_Config..", (int)getpid());
-    g_Config->shutdown();
-    g_Config = NULL;
-    ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_exit() done");
-
-#ifndef SHIB_APACHE_13
+    if (g_Config) {
+        g_Config->term();
+        g_Config = NULL;
+    }
+    ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,0,NULL,"shib_exit() done");
     return OK;
-#endif
 }
+#endif
 
 /* 
  * shire_child_init()
@@ -1043,45 +1254,59 @@ extern "C" void shib_child_init(apr_pool_t* p, server_rec* s)
         exit(1);
     }
 
-    try {
-        g_Config=&ShibTargetConfig::getConfig();
-        SPConfig::getConfig().setFeatures(
-            SPConfig::Caching |
-            SPConfig::Listener |
-            SPConfig::Metadata |
-            SPConfig::AAP |
-            SPConfig::RequestMapping |
-            SPConfig::InProcess |
-            SPConfig::Logging
-            );
-        if (!g_Config->init(g_szSchemaDir)) {
-            ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize libraries");
-            exit(1);
-        }
-        SPConfig::getConfig().AccessControlManager.registerFactory(HT_ACCESS_CONTROL,&htAccessFactory);
-        SPConfig::getConfig().RequestMapperManager.registerFactory(NATIVE_REQUEST_MAPPER,&ApacheRequestMapFactory);
-        
-        if (!g_Config->load(g_szSHIBConfig)) {
-            ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to load configuration");
-            exit(1);
-        }
+    g_Config=&SPConfig::getConfig();
+    g_Config->setFeatures(
+        SPConfig::Listener |
+        SPConfig::Caching |
+        SPConfig::RequestMapping |
+        SPConfig::InProcess |
+        SPConfig::Logging |
+        SPConfig::Handlers
+        );
+    if (!g_Config->init(g_szSchemaDir, g_szPrefix)) {
+        ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize libraries");
+        exit(1);
+    }
+    g_Config->AccessControlManager.registerFactory(HT_ACCESS_CONTROL,&htAccessFactory);
+    g_Config->RequestMapperManager.registerFactory(NATIVE_REQUEST_MAPPER,&ApacheRequestMapFactory);
 
-        ServiceProvider* conf=SPConfig::getConfig().getServiceProvider();
-        xmltooling::Locker locker(conf);
-        const PropertySet* props=conf->getPropertySet("Local");
-        if (props) {
-            pair<bool,const char*> unsetValue=props->getString("unsetHeaderValue");
-            if (unsetValue.first)
-                g_unsetHeaderValue = unsetValue.second;
-        }
+    if (!g_szSHIBConfig)
+        g_szSHIBConfig=getenv("SHIBSP_CONFIG");
+    if (!g_szSHIBConfig)
+        g_szSHIBConfig=SHIBSP_CONFIG;
+    
+    try {
+        xercesc::DOMDocument* dummydoc=XMLToolingConfig::getConfig().getParser().newDocument();
+        XercesJanitor<xercesc::DOMDocument> docjanitor(dummydoc);
+        xercesc::DOMElement* dummy = dummydoc->createElementNS(NULL,path);
+        auto_ptr_XMLCh src(g_szSHIBConfig);
+        dummy->setAttributeNS(NULL,path,src.get());
+        dummy->setAttributeNS(NULL,validate,xmlconstants::XML_ONE);
+
+        g_Config->setServiceProvider(g_Config->ServiceProviderManager.newPlugin(XML_SERVICE_PROVIDER,dummy));
+        g_Config->getServiceProvider()->init();
     }
-    catch (...) {
-        ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize system");
+    catch (exception& ex) {
+        ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),ex.what());
+        ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to load configuration");
         exit(1);
     }
 
+    ServiceProvider* sp=g_Config->getServiceProvider();
+    xmltooling::Locker locker(sp);
+    const PropertySet* props=sp->getPropertySet("Local");
+    if (props) {
+        pair<bool,const char*> unsetValue=props->getString("unsetHeaderValue");
+        if (unsetValue.first)
+            g_unsetHeaderValue = unsetValue.second;
+        pair<bool,bool> flag=props->getBool("checkSpoofing");
+        g_checkSpoofing = !flag.first || flag.second;
+        flag=props->getBool("catchAll");
+        g_catchAll = flag.first && flag.second;
+    }
+
     // Set the cleanup handler
-    apr_pool_cleanup_register(p, NULL, &shib_exit, &shib_child_exit);
+    apr_pool_cleanup_register(p, NULL, &shib_exit, apr_pool_cleanup_null);
 
     ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() done");
 }
@@ -1098,6 +1323,12 @@ static void set_error_filter(request_rec *r)
    ap_add_output_filter("SHIB_HEADERS_ERR", NULL, r, r->connection);
 }
 
+static int _table_add(void *v, const char *key, const char *value)
+{
+    apr_table_addn((apr_table_t*)v, key, value);
+    return 1;
+}
+
 static apr_status_t do_output_filter(ap_filter_t *f, apr_bucket_brigade *in)
 {
     request_rec *r = f->r;
@@ -1105,7 +1336,9 @@ static apr_status_t do_output_filter(ap_filter_t *f, apr_bucket_brigade *in)
 
     if (rc) {
         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);
-        apr_table_overlap(r->headers_out, rc->hdr_out, APR_OVERLAP_TABLES_MERGE);
+        apr_table_do(_table_add,r->headers_out, rc->hdr_out,NULL);
+        // can't use overlap call because it will collapse Set-Cookie headers
+        //apr_table_overlap(r->headers_out, rc->hdr_out, APR_OVERLAP_TABLES_MERGE);
     }
 
     /* remove ourselves from the filter chain */
@@ -1121,8 +1354,10 @@ static apr_status_t do_error_filter(ap_filter_t *f, apr_bucket_brigade *in)
     shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
 
     if (rc) {
-        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);
-        apr_table_overlap(r->err_headers_out, rc->hdr_err, APR_OVERLAP_TABLES_MERGE);
+        ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r),"shib_err_filter: merging %d headers", apr_table_elts(rc->hdr_out)->nelts);
+        apr_table_do(_table_add,r->err_headers_out, rc->hdr_out,NULL);
+        // can't use overlap call because it will collapse Set-Cookie headers
+        //apr_table_overlap(r->err_headers_out, rc->hdr_out, APR_OVERLAP_TABLES_MERGE);
     }
 
     /* remove ourselves from the filter chain */
@@ -1140,15 +1375,22 @@ typedef const char* (*config_fn_t)(void);
 // SHIB Module commands
 
 static command_rec shire_cmds[] = {
+  {"ShibPrefix", (config_fn_t)ap_set_global_string_slot, &g_szPrefix,
+   RSRC_CONF, TAKE1, "Shibboleth installation directory"},
   {"ShibConfig", (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
    RSRC_CONF, TAKE1, "Path to shibboleth.xml config file"},
+  {"ShibCatalogs", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
+   RSRC_CONF, TAKE1, "Paths of XML schema catalogs"},
   {"ShibSchemaDir", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
-   RSRC_CONF, TAKE1, "Path to Shibboleth XML schema directory"},
+   RSRC_CONF, TAKE1, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"},
 
   {"ShibURLScheme", (config_fn_t)shib_set_server_string_slot,
    (void *) XtOffsetOf (shib_server_config, szScheme),
    RSRC_CONF, TAKE1, "URL scheme to force into generated URLs for a vhost"},
    
+  {"ShibRequestSetting", (config_fn_t)shib_table_set, NULL,
+   OR_AUTHCFG, TAKE2, "Set arbitrary Shibboleth request property for content"},
+
   {"ShibDisable", (config_fn_t)ap_set_flag_slot,
    (void *) XtOffsetOf (shib_dir_config, bOff),
    OR_AUTHCFG, FLAG, "Disable all Shib module activity here to save processing effort"},
@@ -1176,9 +1418,15 @@ static command_rec shire_cmds[] = {
   {"ShibRequireAll", (config_fn_t)ap_set_flag_slot,
    (void *) XtOffsetOf (shib_dir_config, bRequireAll),
    OR_AUTHCFG, FLAG, "All require directives must match"},
+  {"AuthzShibAuthoritative", (config_fn_t)ap_set_flag_slot,
+   (void *) XtOffsetOf (shib_dir_config, bAuthoritative),
+   OR_AUTHCFG, FLAG, "Allow failed mod_shib htaccess authorization to fall through to other modules"},
   {"ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
    (void *) XtOffsetOf (shib_dir_config, bUseEnvVars),
-   OR_AUTHCFG, FLAG, "Export data in environment instead of headers (default)"},
+   OR_AUTHCFG, FLAG, "Export attributes using environment variables (default)"},
+  {"ShibUseHeaders", (config_fn_t)ap_set_flag_slot,
+   (void *) XtOffsetOf (shib_dir_config, bUseHeaders),
+   OR_AUTHCFG, FLAG, "Export attributes using custom HTTP headers"},
 
   {NULL}
 };
@@ -1233,50 +1481,60 @@ extern "C" void shib_register_hooks (apr_pool_t *p)
 
 extern "C" {
 static command_rec shib_cmds[] = {
-  AP_INIT_TAKE1("ShibConfig",
-               (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
-               RSRC_CONF, "Path to shibboleth.xml config file"),
-  AP_INIT_TAKE1("ShibSchemaDir",
-     (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
-      RSRC_CONF, "Path to Shibboleth XML schema directory"),
-
-  AP_INIT_TAKE1("ShibURLScheme",
-     (config_fn_t)shib_set_server_string_slot,
-     (void *) offsetof (shib_server_config, szScheme),
-      RSRC_CONF, "URL scheme to force into generated URLs for a vhost"),
-
-  AP_INIT_FLAG("ShibDisable", (config_fn_t)ap_set_flag_slot,
+    AP_INIT_TAKE1("ShibPrefix", (config_fn_t)ap_set_global_string_slot, &g_szPrefix,
+        RSRC_CONF, "Shibboleth installation directory"),
+    AP_INIT_TAKE1("ShibConfig", (config_fn_t)ap_set_global_string_slot, &g_szSHIBConfig,
+        RSRC_CONF, "Path to shibboleth.xml config file"),
+    AP_INIT_TAKE1("ShibCatalogs", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
+        RSRC_CONF, "Paths of XML schema catalogs"),
+    AP_INIT_TAKE1("ShibSchemaDir", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
+        RSRC_CONF, "Paths of XML schema catalogs (deprecated in favor of ShibCatalogs)"),
+
+    AP_INIT_TAKE1("ShibURLScheme", (config_fn_t)shib_set_server_string_slot,
+        (void *) offsetof (shib_server_config, szScheme),
+        RSRC_CONF, "URL scheme to force into generated URLs for a vhost"),
+
+    AP_INIT_TAKE2("ShibRequestSetting", (config_fn_t)shib_table_set, NULL,
+        OR_AUTHCFG, "Set arbitrary Shibboleth request property for content"),
+
+    AP_INIT_FLAG("ShibDisable", (config_fn_t)ap_set_flag_slot,
         (void *) offsetof (shib_dir_config, bOff),
         OR_AUTHCFG, "Disable all Shib module activity here to save processing effort"),
-  AP_INIT_TAKE1("ShibApplicationId", (config_fn_t)ap_set_string_slot,
+    AP_INIT_TAKE1("ShibApplicationId", (config_fn_t)ap_set_string_slot,
         (void *) offsetof (shib_dir_config, szApplicationId),
         OR_AUTHCFG, "Set Shibboleth applicationId property for content"),
-  AP_INIT_FLAG("ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
+    AP_INIT_FLAG("ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
         (void *) offsetof (shib_dir_config, bBasicHijack),
         OR_AUTHCFG, "Respond to AuthType Basic and convert to shibboleth"),
-  AP_INIT_FLAG("ShibRequireSession", (config_fn_t)ap_set_flag_slot,
+    AP_INIT_FLAG("ShibRequireSession", (config_fn_t)ap_set_flag_slot,
         (void *) offsetof (shib_dir_config, bRequireSession),
         OR_AUTHCFG, "Initiates a new session if one does not exist"),
-  AP_INIT_TAKE1("ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
+    AP_INIT_TAKE1("ShibRequireSessionWith", (config_fn_t)ap_set_string_slot,
         (void *) offsetof (shib_dir_config, szRequireWith),
         OR_AUTHCFG, "Initiates a new session if one does not exist using a specific SessionInitiator"),
-  AP_INIT_FLAG("ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
+    AP_INIT_FLAG("ShibExportAssertion", (config_fn_t)ap_set_flag_slot,
         (void *) offsetof (shib_dir_config, bExportAssertion),
         OR_AUTHCFG, "Export SAML attribute assertion(s) to Shib-Attributes header"),
-  AP_INIT_TAKE1("ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
+    AP_INIT_TAKE1("ShibRedirectToSSL", (config_fn_t)ap_set_string_slot,
         (void *) offsetof (shib_dir_config, szRedirectToSSL),
         OR_AUTHCFG, "Redirect non-SSL requests to designated port"),
-  AP_INIT_TAKE1("AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
-               (void *) offsetof (shib_dir_config, szAuthGrpFile),
-               OR_AUTHCFG, "Text file containing group names and member user IDs"),
-  AP_INIT_FLAG("ShibRequireAll", (config_fn_t)ap_set_flag_slot,
+    AP_INIT_TAKE1("AuthGroupFile", (config_fn_t)shib_ap_set_file_slot,
+        (void *) offsetof (shib_dir_config, szAuthGrpFile),
+        OR_AUTHCFG, "Text file containing group names and member user IDs"),
+    AP_INIT_FLAG("ShibRequireAll", (config_fn_t)ap_set_flag_slot,
         (void *) offsetof (shib_dir_config, bRequireAll),
         OR_AUTHCFG, "All require directives must match"),
-  AP_INIT_FLAG("ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
+    AP_INIT_FLAG("AuthzShibAuthoritative", (config_fn_t)ap_set_flag_slot,
+        (void *) offsetof (shib_dir_config, bAuthoritative),
+        OR_AUTHCFG, "Allow failed mod_shib htaccess authorization to fall through to other modules"),
+    AP_INIT_FLAG("ShibUseEnvironment", (config_fn_t)ap_set_flag_slot,
         (void *) offsetof (shib_dir_config, bUseEnvVars),
-        OR_AUTHCFG, "Export data in environment instead of headers (default)"),
+        OR_AUTHCFG, "Export attributes using environment variables (default)"),
+    AP_INIT_FLAG("ShibUseHeaders", (config_fn_t)ap_set_flag_slot,
+        (void *) offsetof (shib_dir_config, bUseHeaders),
+        OR_AUTHCFG, "Export attributes using custom HTTP headers"),
 
-  {NULL}
+    {NULL}
 };
 
 module AP_MODULE_DECLARE_DATA mod_shib = {
@@ -1290,7 +1548,7 @@ module AP_MODULE_DECLARE_DATA mod_shib = {
 };
 
 #else
-#error "undefined APACHE version"
+#error "unsupported Apache version"
 #endif
 
 }