-/*
- * Copyright 2001-2005 Internet2
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * UCAID licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the
+ * License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+ * either express or implied. See the License for the specific
+ * language governing permissions and limitations under the License.
*/
-/*
- * mod_apache.cpp -- the core Apache Module code
- *
- * Created by: Derek Atkins <derek@ihtfp.com>
+/**
+ * mod_apache.cpp
*
- * $Id$
+ * 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/AccessControl.h>
#include <shibsp/exceptions.h>
+#include <shibsp/AbstractSPRequest.h>
+#include <shibsp/AccessControl.h>
+#include <shibsp/GSSRequest.h>
#include <shibsp/RequestMapper.h>
#include <shibsp/SPConfig.h>
+#include <shibsp/ServiceProvider.h>
+#include <shibsp/SessionCache.h>
+#include <shibsp/attribute/Attribute.h>
-// SAML Runtime
-#include <saml/saml.h>
-#include <shib/shib.h>
-#include <shib-target/shib-target.h>
+#include <xercesc/util/XMLUniDefs.hpp>
#include <xercesc/util/regx/RegularExpression.hpp>
+#include <xmltooling/XMLToolingConfig.h>
#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/ParserPool.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
+#include <set>
+#include <memory>
#include <fstream>
#include <sstream>
+#include <stdexcept>
+#include <cstddef>
#ifdef HAVE_UNISTD_H
#include <unistd.h> // for getpid()
#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;
- string g_unsetHeaderValue;
- static const char* g_UserDataKey = "_shib_check_user_";
+ char* g_szSHIBConfig = nullptr;
+ char* g_szSchemaDir = nullptr;
+ char* g_szPrefix = nullptr;
+ SPConfig* g_Config = nullptr;
+ string g_unsetHeaderValue,g_spoofKey;
+ bool g_checkSpoofing = true;
+ bool g_catchAll = false;
+#ifndef SHIB_APACHE_13
+ char* g_szGSSContextKey = "mod_auth_gssapi:gss_ctx";
+#endif
+ static const char* g_UserDataKey = "urn:mace:shibboleth:Apache:shib_check_user";
}
/* Apache 2.2.x headers must be accumulated and set in the output filter.
extern "C" void* create_shib_server_config(SH_AP_POOL* p, server_rec* s)
{
shib_server_config* sc=(shib_server_config*)ap_pcalloc(p,sizeof(shib_server_config));
- sc->szScheme = NULL;
+ sc->szScheme = nullptr;
return sc;
}
else if (parent->szScheme)
sc->szScheme=ap_pstrdup(p,parent->szScheme);
else
- sc->szScheme=NULL;
+ sc->szScheme=nullptr;
return sc;
}
// 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
char* szRequireWith; // require a session using a specific initiator?
char* szRedirectToSSL; // redirect non-SSL requests to SSL port
+ char* szAccessControl; // path to "external" AccessControl plugin file
int bOff; // flat-out disable all Shib processing
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?
+ int bExpireRedirects; // expire redirects?
};
// 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 = nullptr;
+ dc->szAuthGrpFile = nullptr;
+ dc->bRequireAll = -1;
+ dc->bAuthoritative = -1;
+ dc->szApplicationId = nullptr;
+ dc->szRequireWith = nullptr;
+ dc->szRedirectToSSL = nullptr;
+ dc->szAccessControl = nullptr;
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;
+ dc->bExpireRedirects = -1;
return dc;
}
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 = nullptr;
+ 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)
dc->szAuthGrpFile=ap_pstrdup(p,parent->szAuthGrpFile);
else
- dc->szAuthGrpFile=NULL;
+ dc->szAuthGrpFile=nullptr;
if (child->szApplicationId)
dc->szApplicationId=ap_pstrdup(p,child->szApplicationId);
else if (parent->szApplicationId)
dc->szApplicationId=ap_pstrdup(p,parent->szApplicationId);
else
- dc->szApplicationId=NULL;
+ dc->szApplicationId=nullptr;
if (child->szRequireWith)
dc->szRequireWith=ap_pstrdup(p,child->szRequireWith);
else if (parent->szRequireWith)
dc->szRequireWith=ap_pstrdup(p,parent->szRequireWith);
else
- dc->szRequireWith=NULL;
+ dc->szRequireWith=nullptr;
if (child->szRedirectToSSL)
dc->szRedirectToSSL=ap_pstrdup(p,child->szRedirectToSSL);
else if (parent->szRedirectToSSL)
dc->szRedirectToSSL=ap_pstrdup(p,parent->szRedirectToSSL);
else
- dc->szRedirectToSSL=NULL;
+ dc->szRedirectToSSL=nullptr;
+
+ if (child->szAccessControl)
+ dc->szAccessControl=ap_pstrdup(p,child->szAccessControl);
+ else if (parent->szAccessControl)
+ dc->szAccessControl=ap_pstrdup(p,parent->szAccessControl);
+ else
+ dc->szAccessControl=nullptr;
dc->bOff=((child->bOff==-1) ? parent->bOff : child->bOff);
dc->bBasicHijack=((child->bBasicHijack==-1) ? parent->bBasicHijack : child->bBasicHijack);
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);
+ dc->bExpireRedirects=((child->bExpireRedirects==-1) ? parent->bExpireRedirects : child->bExpireRedirects);
return dc;
}
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
};
extern "C" const char* ap_set_global_string_slot(cmd_parms* parms, void*, const char* arg)
{
*((char**)(parms->info))=ap_pstrdup(parms->pool,arg);
- return NULL;
+ return nullptr;
}
extern "C" const char* shib_set_server_string_slot(cmd_parms* parms, void*, const char* arg)
char* base=(char*)ap_get_module_config(parms->server->module_config,&mod_shib);
size_t offset=(size_t)parms->info;
*((char**)(base + offset))=ap_pstrdup(parms->pool,arg);
- return NULL;
+ return nullptr;
}
extern "C" const char* shib_ap_set_file_slot(cmd_parms* parms,
return DECLINE_CMD;
}
-/********************************************************************************/
-// Apache ShibTarget subclass(es) here.
+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 nullptr;
+}
-class ShibTargetApache : public ShibTarget
+
+class ShibTargetApache : public AbstractSPRequest
+#if defined(SHIBSP_HAVE_GSSAPI) && !defined(SHIB_APACHE_13)
+ , public GSSRequest
+#endif
{
+ bool m_handler;
mutable string m_body;
- mutable bool m_gotBody;
- vector<XSECCryptoX509*> m_certs;
+ mutable bool m_gotBody,m_firsttime;
+ mutable vector<string> m_certs;
+ set<string> m_allhttp;
public:
request_rec* m_req;
shib_server_config* m_sc;
shib_request_config* m_rc;
- ShibTargetApache(request_rec* req) : m_gotBody(false) {
+ ShibTargetApache(request_rec* req, bool handler, bool shib_check_user)
+ : AbstractSPRequest(SHIBSP_LOGCAT".Apache"), m_handler(handler), m_gotBody(false),m_firsttime(true) {
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);
+
+ if (shib_check_user && m_dc->bUseHeaders == 1) {
+ // Try and see if this request was already processed, to skip spoof checking.
+ if (!ap_is_initial_req(m_req)) {
+ m_firsttime = false;
+ }
+ else if (!g_spoofKey.empty()) {
+ const char* hdr = ap_table_get(m_req->headers_in, "Shib-Spoof-Check");
+ if (hdr && g_spoofKey == hdr)
+ m_firsttime=false;
+ }
+
+ if (!m_firsttime)
+ log(SPDebug, "shib_check_user running more than once");
+ }
}
virtual ~ShibTargetApache() {}
const char* getScheme() const {
return m_sc->szScheme ? m_sc->szScheme : ap_http_method(m_req);
}
+ bool isSecure() const {
+ return HTTPRequest::isSecure();
+ }
const char* getHostname() const {
return ap_get_server_name(m_req);
}
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;
}
return m_gotBody ? m_body.length() : m_req->remaining;
}
string getRemoteAddr() const {
- return m_req->connection->remote_ip;
+ string ret = AbstractSPRequest::getRemoteAddr();
+ return ret.empty() ? m_req->connection->remote_ip : ret;
}
void log(SPLogLevel level, const string& msg) const {
AbstractSPRequest::log(level,msg);
(level == SPWarn ? APLOG_WARNING :
(level == SPError ? APLOG_ERR : APLOG_CRIT))))|APLOG_NOERRNO,
SH_AP_R(m_req),
+ "%s",
msg.c_str()
);
}
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 {
+ const char* getParameter(const char* name) const {
+ return AbstractSPRequest::getParameter(name);
+ }
+ vector<const char*>::size_type getParameters(const char* name, vector<const char*>& values) const {
+ return AbstractSPRequest::getParameters(name, values);
+ }
+ 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 && m_firsttime) {
+ 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);
else
- hdr = NULL;
+ hdr = nullptr;
return string(hdr ? hdr : "");
}
return getHeader(name);
}
void setRemoteUser(const char* user) {
- SH_AP_USER(m_req) = user ? ap_pstrdup(m_req->pool, user) : NULL;
+ SH_AP_USER(m_req) = user ? ap_pstrdup(m_req->pool, user) : nullptr;
+ if (m_dc->bUseHeaders == 1) {
+ if (user) {
+ ap_table_set(m_req->headers_in, "REMOTE_USER", user);
+ }
+ else {
+ ap_table_unset(m_req->headers_in, "REMOTE_USER");
+ ap_table_set(m_req->headers_in, "REMOTE_USER", g_unsetHeaderValue.c_str());
+ }
+ }
}
string getRemoteUser() const {
return string(SH_AP_USER(m_req) ? SH_AP_USER(m_req) : "");
}
+ void setAuthType(const char* authtype) {
+ if (authtype && m_dc->bBasicHijack == 1)
+ authtype = "Basic";
+ SH_AP_AUTH_TYPE(m_req) = authtype ? ap_pstrdup(m_req->pool, authtype) : nullptr;
+ }
+ string getAuthType() const {
+ return string(SH_AP_AUTH_TYPE(m_req) ? SH_AP_AUTH_TYPE(m_req) : "");
+ }
void setContentType(const char* type) {
- m_req->content_type = ap_psprintf(m_req->pool, type);
+ m_req->content_type = ap_psprintf(m_req->pool, "%s", type);
}
void setResponseHeader(const char* name, const char* value) {
+ HTTPResponse::setResponseHeader(name, value);
#ifdef SHIB_DEFERRED_HEADERS
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) {
+ if (!m_rc->hdr_out)
+ m_rc->hdr_out = ap_make_table(m_req->pool, 5);
+ 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) {
+ if (status != XMLTOOLING_HTTP_STATUS_OK)
+ m_req->status = status;
ap_send_http_header(m_req);
char buf[1024];
while (in) {
in.read(buf,1024);
ap_rwrite(buf,in.gcount(),m_req);
}
- return ((status==SAML_HTTP_STATUS_OK) ? DONE : status);
+#if (defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22))
+ if (status != XMLTOOLING_HTTP_STATUS_OK && status != XMLTOOLING_HTTP_STATUS_ERROR)
+ return status;
+#endif
+ return DONE;
}
long sendRedirect(const char* url) {
+ HTTPResponse::sendRedirect(url);
ap_table_set(m_req->headers_out, "Location", url);
+ if (m_dc->bExpireRedirects == 1) {
+ ap_table_set(m_req->err_headers_out, "Expires", "Wed, 01 Jan 1997 12:00:00 GMT");
+ ap_table_set(m_req->err_headers_out, "Cache-Control", "private,no-store,no-cache,max-age=0");
+ }
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; }
long returnOK(void) { return OK; }
+#if defined(SHIBSP_HAVE_GSSAPI) && !defined(SHIB_APACHE_13)
+ gss_ctx_id_t getGSSContext() const {
+ gss_ctx_id_t ctx = GSS_C_NO_CONTEXT;
+ apr_pool_userdata_get((void**)&ctx, g_szGSSContextKey, m_req->pool);
+ return ctx;
+ }
+#endif
};
/********************************************************************************/
// Short-circuit entirely?
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,true);
// Check user authentication and export information, then set the handler bypass
- pair<bool,long> res = sta.doCheckAuthN(true);
- apr_pool_userdata_setn((const void*)42,g_UserDataKey,NULL,r->pool);
+ pair<bool,long> res = sta.getServiceProvider().doAuthentication(sta,true);
+ apr_pool_userdata_setn((const void*)42,g_UserDataKey,nullptr,r->pool);
+ // If directed, install a spoof key to recognize when we've already cleared headers.
+ if (!g_spoofKey.empty() && (((shib_dir_config*)ap_get_module_config(r->per_dir_config, &mod_shib))->bUseHeaders==1))
+ ap_table_set(r->headers_in, "Shib-Spoof-Check", g_spoofKey.c_str());
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.
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)
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,false);
- 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.");
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
}
/*
xmltooling::NDC ndc(threadid.str().c_str());
try {
- ShibTargetApache sta(r);
+ ShibTargetApache sta(r,false,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
~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();
}
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;
-
- 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 unlock() { m_staKey->setData(nullptr); m_propsKey->setData(nullptr); m_mapper->unlock(); }
+ Settings getSettings(const HTTPRequest& request) const;
+
+ const PropertySet* getParent() const { return nullptr; }
+ void setParent(const PropertySet*) {}
+ pair<bool,bool> getBool(const char* name, const char* ns=nullptr) const;
+ pair<bool,const char*> getString(const char* name, const char* ns=nullptr) const;
+ pair<bool,const XMLCh*> getXMLString(const char* name, const char* ns=nullptr) const;
+ pair<bool,unsigned int> getUnsignedInt(const char* name, const char* ns=nullptr) const;
+ pair<bool,int> getInt(const char* name, const char* ns=nullptr) const;
+ void getAll(map<string,const char*>& properties) const;
+ const PropertySet* getPropertySet(const char* name, const char* ns=shibspconstants::ASCII_SHIB2SPCONFIG_NS) const;
+ const xercesc::DOMElement* getElement() const;
private:
RequestMapper* m_mapper;
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(nullptr), m_staKey(nullptr), m_propsKey(nullptr), m_htaccess(nullptr)
{
m_mapper=SPConfig::getConfig().RequestMapperManager.newPlugin(XML_REQUEST_MAPPER,e);
m_htaccess=new htAccessControl();
- m_staKey=ThreadKey::create(NULL);
- m_propsKey=ThreadKey::create(NULL);
+ m_staKey=ThreadKey::create(nullptr);
+ m_propsKey=ThreadKey::create(nullptr);
}
-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));
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);
}
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);
+ return s ? s->getString(name,ns) : pair<bool,const char*>(false,nullptr);
}
pair<bool,const XMLCh*> ApacheRequestMapper::getXMLString(const char* name, const char* ns) const
{
const PropertySet* s=reinterpret_cast<const PropertySet*>(m_propsKey->getData());
- return s ? s->getXMLString(name,ns) : pair<bool,const XMLCh*>(false,NULL);
+ return s ? s->getXMLString(name,ns) : pair<bool,const XMLCh*>(false,nullptr);
}
pair<bool,unsigned int> ApacheRequestMapper::getUnsignedInt(const char* name, const char* ns) const
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, nullptr, 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);
}
// 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);
}
+static int _rm_get_all_table_walk(void *v, const char *key, const char *value)
+{
+ reinterpret_cast<map<string,const char*>*>(v)->insert(pair<string,const char*>(key, value));
+ return 1;
+}
+
+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";
+
+ if (sta->m_dc->tSettings)
+ ap_table_do(_rm_get_all_table_walk, &properties, sta->m_dc->tSettings, NULL);
+}
+
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;
+ return s ? s->getPropertySet(name,ns) : nullptr;
}
-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;
+ return s ? s->getElement() : nullptr;
}
static SH_AP_TABLE* groups_for_user(request_rec* r, const char* user, char* grpfile)
if (ap_pcfg_openfile(&f,r->pool,grpfile) != APR_SUCCESS) {
#endif
ap_log_rerror(APLOG_MARK,APLOG_DEBUG,SH_AP_R(r),"groups_for_user() could not open group file: %s\n",grpfile);
- return NULL;
+ return nullptr;
}
SH_AP_POOL* sp;
if (apr_pool_create(&sp,r->pool) != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK,APLOG_ERR,0,r,
"groups_for_user() could not create a subpool");
- return NULL;
+ return nullptr;
}
#endif
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);
if (!sta)
throw ConfigurationException("Request wrapper object was not of correct type.");
- // mod_auth clone
-
int m=sta->m_req->method_number;
bool method_restricted=false;
const char *t, *w;
-
+
const array_header* reqs_arr=ap_requires(sta->m_req);
if (!reqs_arr)
- return true;
+ return shib_acl_indeterminate; // should never happen
+
+ // Check for an "embedded" AccessControl plugin.
+ if (sta->m_dc->szAccessControl) {
+ aclresult_t result = shib_acl_false;
+ try {
+ ifstream aclfile(sta->m_dc->szAccessControl);
+ xercesc::DOMDocument* acldoc = XMLToolingConfig::getConfig().getParser().parse(aclfile);
+ XercesJanitor<xercesc::DOMDocument> docjanitor(acldoc);
+ static XMLCh _type[] = UNICODE_LITERAL_4(t,y,p,e);
+ string t(XMLHelper::getAttrString(acldoc ? acldoc->getDocumentElement() : nullptr, nullptr, _type));
+ if (t.empty())
+ throw ConfigurationException("Missing type attribute in AccessControl plugin configuration.");
+ auto_ptr<AccessControl> aclplugin(SPConfig::getConfig().AccessControlManager.newPlugin(t.c_str(), acldoc->getDocumentElement()));
+ Locker acllock(aclplugin.get());
+ result = aclplugin->authorized(request, session);
+ }
+ catch (exception& ex) {
+ request.log(SPRequest::SPError, ex.what());
+ }
+
+ if (result == shib_acl_true && sta->m_dc->bRequireAll != 1) {
+ // If we're not insisting that all rules be met, then we're done.
+ request.log(SPRequest::SPDebug, "htaccess: embedded AccessControl plugin was successful, granting access");
+ return shib_acl_true;
+ }
+ else if (result != shib_acl_true && 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: embedded AccessControl plugin was unsuccessful, denying access");
+ return shib_acl_false;
+ }
- 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);
+ request.log(SPRequest::SPDebug, "htaccess: embedded AccessControl plugin was unsuccessful but not authoritative, leaving it up to Apache");
+ return shib_acl_indeterminate;
+ }
+ }
- 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; \
-}
+ require_line* reqs=(require_line*)reqs_arr->elts;
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;
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;
- }
- 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;
+
+ // We evaluate to false if ShibAccessControl is used and ShibRequireAll is off.
+ // This allows actual rules to dictate the result, since ShibAccessControl returned
+ // non-true, and if nothing else is used, access will be denied.
+ if (!sta->m_dc->szAccessControl || sta->m_dc->bRequireAll == 1) {
+ // We evaluate to true, because ShibRequireAll is enabled (so a true is just a no-op)
+ // or because there was no other AccessControl rule in place, so this may be the only
+ // rule in effect.
+ status = true;
}
- 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;
while (*t) {
- w=ap_getword_conf(sta->m_req->pool,&t);
- if (*w=='~') {
- regexp=true;
+ w = ap_getword_conf(sta->m_req->pool,&t);
+ if (*w == '~') {
+ regexp = true;
continue;
}
-
+ else if (*w == '!') {
+ // A negated rule presumes success unless a match is found.
+ status = 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;
+ else if (remote_user == w) {
+ match = true;
+ }
+
+ if (match) {
+ // If we matched, then we're done with this rule either way and we flip status to reflect the outcome.
+ status = !status;
+ if (request.isPriorityEnabled(SPRequest::SPDebug))
+ request.log(SPRequest::SPDebug,
+ string("htaccess: require user ") + (!status ? "rejecting (" : "accepting (") + remote_user + ")");
+ break;
}
}
}
- else if (!strcmp(w,"group")) {
- 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);
- grpstatus=groups_for_user(sta->m_req,remote_user.c_str(),sta->m_dc->szAuthGrpFile);
+ else if (!strcmp(w,"group") && !remote_user.empty()) {
+ SH_AP_TABLE* grpstatus = nullptr;
+ 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;
-
+
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;
+ w = ap_getword_conf(sta->m_req->pool,&t);
+ if (*w == '!') {
+ // A negated rule presumes success unless a match is found.
+ status = true;
+ continue;
+ }
+
+ if (grpstatus && ap_table_get(grpstatus,w)) {
+ // If we matched, then we're done with this rule either way and we flip status to reflect the outcome.
+ status = !status;
+ request.log(SPRequest::SPDebug, string("htaccess: require group ") + (!status ? "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();
+ if (ref && *ref) {
+ bool regexp = false;
+ while (ref && *t) {
+ w = ap_getword_conf(sta->m_req->pool,&t);
+ if (*w == '~') {
+ regexp=true;
+ continue;
+ }
+ else if (*w == '!') {
+ // A negated rule presumes success unless a match is found.
+ status = 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 we flip status to reflect the outcome.
+ status = !status;
+ if (request.isPriorityEnabled(SPRequest::SPDebug))
+ request.log(SPRequest::SPDebug,
+ string("htaccess: require authnContext ") + (!status ? "rejecting (" : "accepting (") + ref + ")");
+ break;
+ }
}
+ }
+ else if (request.isPriorityEnabled(SPRequest::SPDebug)) {
+ request.log(SPRequest::SPDebug, "htaccess: require authnContext rejecting session with no context associated");
+ }
+ }
+ 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;
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;
+ pair<multimap<string,const Attribute*>::const_iterator,multimap<string,const Attribute*>::const_iterator> attrs2(attrs);
+ for (; !status && attrs2.first!=attrs2.second; ++attrs2.first) {
+ if (checkAttribute(request, attrs2.first->second, w, regexp ? re.get() : nullptr)) {
+ 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
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");
-
-#ifdef SHIB_DEFERRED_HEADERS
- rc->hdr_out = ap_make_table(r->pool, 5);
- rc->hdr_err = ap_make_table(r->pool, 5);
-#endif
+ init_request_config(r);
+ //ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_post_read");
return DECLINED;
}
ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup(%d): ENTER", (int)getpid());
- if (rc==NULL || rc->env==NULL || ap_is_empty_table(rc->env))
+ if (rc==nullptr || rc->env==nullptr || ap_is_empty_table(rc->env))
return DECLINED;
ap_log_rerror(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(r), "shib_fixup adding %d vars", ap_table_elts(rc->env)->nelts);
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 = nullptr;
+ 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 = nullptr;
+ }
+ ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,0,nullptr,"shib_exit() done");
return OK;
-#endif
}
+#endif
-/*
+/*
* shire_child_init()
* Things to do when the child process is initialized.
* (or after the configs are read in apache-2)
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);
+
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);
- }
+ if (!g_Config->instantiate(g_szSHIBConfig, true))
+ throw runtime_error("unknown error");
+ }
+ catch (exception& ex) {
+ ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"%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* conf=SPConfig::getConfig().getServiceProvider();
- xmltooling::Locker locker(conf);
- const PropertySet* props=conf->getPropertySet("Local");
- if (props) {
- pair<bool,const char*> unsetValue=props->getString("unsetHeaderValue");
+ ServiceProvider* sp=g_Config->getServiceProvider();
+ xmltooling::Locker locker(sp);
+ const PropertySet* props=sp->getPropertySet("InProcess");
+ 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;
+ if (g_checkSpoofing) {
+ unsetValue=props->getString("spoofKey");
if (unsetValue.first)
- g_unsetHeaderValue = unsetValue.second;
+ g_spoofKey = unsetValue.second;
}
- }
- catch (...) {
- ap_log_error(APLOG_MARK,APLOG_CRIT|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() failed to initialize system");
- exit(1);
+ 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, nullptr, &shib_exit, apr_pool_cleanup_null);
ap_log_error(APLOG_MARK,APLOG_DEBUG|APLOG_NOERRNO,SH_AP_R(s),"shib_child_init() done");
}
#ifdef SHIB_DEFERRED_HEADERS
static void set_output_filter(request_rec *r)
{
- ap_add_output_filter("SHIB_HEADERS_OUT", NULL, r, r->connection);
+ ap_add_output_filter("SHIB_HEADERS_OUT", nullptr, r, r->connection);
}
static void set_error_filter(request_rec *r)
{
- ap_add_output_filter("SHIB_HEADERS_ERR", NULL, r, r->connection);
+ ap_add_output_filter("SHIB_HEADERS_ERR", nullptr, 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;
shib_request_config *rc = (shib_request_config*) ap_get_module_config(r->request_config, &mod_shib);
- if (rc) {
+ if (rc && rc->hdr_out) {
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);
+ // 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);
+ apr_table_do(_table_add,r->headers_out, rc->hdr_out,NULL);
}
/* remove ourselves from the filter chain */
request_rec *r = f->r;
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);
+ if (rc && rc->hdr_out) {
+ 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);
+ // 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);
+ apr_table_do(_table_add,r->err_headers_out, rc->hdr_out,NULL);
}
/* remove ourselves from the filter chain */
// 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"},
- {"ShibSchemaDir", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
- RSRC_CONF, TAKE1, "Path to Shibboleth XML schema directory"},
+ RSRC_CONF, TAKE1, "Path to shibboleth2.xml config file"},
+ {"ShibCatalogs", (config_fn_t)ap_set_global_string_slot, &g_szSchemaDir,
+ RSRC_CONF, TAKE1, "Paths of XML schema catalogs"},
{"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, nullptr,
+ OR_AUTHCFG, TAKE2, "Set arbitrary Shibboleth request property for content"},
+
+ {"ShibAccessControl", (config_fn_t)ap_set_string_slot,
+ (void *) XtOffsetOf (shib_dir_config, szAccessControl),
+ OR_AUTHCFG, TAKE1, "Set arbitrary Shibboleth access control plugin 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"},
OR_AUTHCFG, TAKE1, "Set Shibboleth applicationId property for content"},
{"ShibBasicHijack", (config_fn_t)ap_set_flag_slot,
(void *) XtOffsetOf (shib_dir_config, bBasicHijack),
- OR_AUTHCFG, FLAG, "Respond to AuthType Basic and convert to shibboleth"},
+ OR_AUTHCFG, FLAG, "(DEPRECATED) Respond to AuthType Basic and convert to shibboleth"},
{"ShibRequireSession", (config_fn_t)ap_set_flag_slot,
(void *) XtOffsetOf (shib_dir_config, bRequireSession),
OR_AUTHCFG, FLAG, "Initiates a new session if one does not exist"},
{"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)"},
-
- {NULL}
+ 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"},
+ {"ShibExpireRedirects", (config_fn_t)ap_set_flag_slot,
+ (void *) XtOffsetOf (shib_dir_config, bExpireRedirects),
+ OR_AUTHCFG, FLAG, "Expire SP-generated redirects"},
+
+ {nullptr}
};
extern "C"{
handler_rec shib_handlers[] = {
{ "shib-handler", shib_handler },
- { NULL }
+ { nullptr }
};
module MODULE_VAR_EXPORT mod_shib = {
STANDARD_MODULE_STUFF,
- NULL, /* initializer */
+ nullptr, /* initializer */
create_shib_dir_config, /* dir config creater */
merge_shib_dir_config, /* dir merger --- default is to override */
create_shib_server_config, /* server config */
merge_shib_server_config, /* merge server config */
shire_cmds, /* command table */
shib_handlers, /* handlers */
- NULL, /* filename translation */
+ nullptr, /* filename translation */
shib_check_user, /* check_user_id */
shib_auth_checker, /* check auth */
- NULL, /* check access */
- NULL, /* type_checker */
+ nullptr, /* check access */
+ nullptr, /* type_checker */
shib_fixups, /* fixups */
- NULL, /* logger */
- NULL, /* header parser */
+ nullptr, /* logger */
+ nullptr, /* header parser */
shib_child_init, /* child_init */
shib_child_exit, /* child_exit */
shib_post_read /* post read-request */
#elif defined(SHIB_APACHE_20) || defined(SHIB_APACHE_22)
+//static const char * const authnPre[] = { "mod_gss.c", nullptr };
+
extern "C" void shib_register_hooks (apr_pool_t *p)
{
#ifdef SHIB_DEFERRED_HEADERS
- ap_register_output_filter("SHIB_HEADERS_OUT", do_output_filter, NULL, AP_FTYPE_CONTENT_SET);
- ap_hook_insert_filter(set_output_filter, NULL, NULL, APR_HOOK_LAST);
- ap_register_output_filter("SHIB_HEADERS_ERR", do_error_filter, NULL, AP_FTYPE_CONTENT_SET);
- ap_hook_insert_error_filter(set_error_filter, NULL, NULL, APR_HOOK_LAST);
- ap_hook_post_read_request(shib_post_read, NULL, NULL, APR_HOOK_MIDDLE);
+ ap_register_output_filter("SHIB_HEADERS_OUT", do_output_filter, nullptr, AP_FTYPE_CONTENT_SET);
+ ap_hook_insert_filter(set_output_filter, nullptr, nullptr, APR_HOOK_LAST);
+ ap_register_output_filter("SHIB_HEADERS_ERR", do_error_filter, nullptr, AP_FTYPE_CONTENT_SET);
+ ap_hook_insert_error_filter(set_error_filter, nullptr, nullptr, APR_HOOK_LAST);
+ ap_hook_post_read_request(shib_post_read, nullptr, nullptr, APR_HOOK_MIDDLE);
#endif
- ap_hook_child_init(shib_child_init, NULL, NULL, APR_HOOK_MIDDLE);
- ap_hook_check_user_id(shib_check_user, NULL, NULL, APR_HOOK_MIDDLE);
- ap_hook_auth_checker(shib_auth_checker, NULL, NULL, APR_HOOK_FIRST);
- ap_hook_handler(shib_handler, NULL, NULL, APR_HOOK_LAST);
- ap_hook_fixups(shib_fixups, NULL, NULL, APR_HOOK_MIDDLE);
+ ap_hook_child_init(shib_child_init, nullptr, nullptr, APR_HOOK_MIDDLE);
+ const char* prereq = getenv("SHIBSP_APACHE_PREREQ");
+ if (prereq && *prereq) {
+ const char* const authnPre[] = { prereq, nullptr };
+ ap_hook_check_user_id(shib_check_user, authnPre, nullptr, APR_HOOK_MIDDLE);
+ }
+ else {
+ ap_hook_check_user_id(shib_check_user, nullptr, nullptr, APR_HOOK_MIDDLE);
+ }
+ ap_hook_auth_checker(shib_auth_checker, nullptr, nullptr, APR_HOOK_FIRST);
+ ap_hook_handler(shib_handler, nullptr, nullptr, APR_HOOK_LAST);
+ ap_hook_fixups(shib_fixups, nullptr, nullptr, APR_HOOK_MIDDLE);
}
// SHIB Module commands
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 shibboleth2.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("ShibGSSKey", (config_fn_t)ap_set_global_string_slot, &g_szGSSContextKey,
+ RSRC_CONF, "Name of user data key containing GSS context established by GSS module"),
+
+ 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, nullptr,
+ OR_AUTHCFG, "Set arbitrary Shibboleth request property for content"),
+
+ AP_INIT_TAKE1("ShibAccessControl", (config_fn_t)ap_set_string_slot,
+ (void *) offsetof (shib_dir_config, szAccessControl),
+ OR_AUTHCFG, "Set arbitrary Shibboleth access control plugin 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,
+ OR_AUTHCFG, "(DEPRECATED) Respond to AuthType Basic and convert to shibboleth"),
+ 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)"),
-
- {NULL}
+ 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"),
+ AP_INIT_FLAG("ShibExpireRedirects", (config_fn_t)ap_set_flag_slot,
+ (void *) offsetof (shib_dir_config, bExpireRedirects),
+ OR_AUTHCFG, "Expire SP-generated redirects"),
+
+ {nullptr}
};
module AP_MODULE_DECLARE_DATA mod_shib = {
};
#else
-#error "undefined APACHE version"
+#error "unsupported Apache version"
#endif
}