/*
- * The Shibboleth License, Version 1.
- * Copyright (c) 2002
- * University Corporation for Advanced Internet Development, Inc.
- * All rights reserved
+ * 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
*
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution, if any, must include
- * the following acknowledgment: "This product includes software developed by
- * the University Corporation for Advanced Internet Development
- * <http://www.ucaid.edu>Internet2 Project. Alternately, this acknowledegement
- * may appear in the software itself, if and wherever such third-party
- * acknowledgments normally appear.
- *
- * Neither the name of Shibboleth nor the names of its contributors, nor
- * Internet2, nor the University Corporation for Advanced Internet Development,
- * Inc., nor UCAID may be used to endorse or promote products derived from this
- * software without specific prior written permission. For written permission,
- * please contact shibboleth@shibboleth.org
- *
- * Products derived from this software may not be called Shibboleth, Internet2,
- * UCAID, or the University Corporation for Advanced Internet Development, nor
- * may Shibboleth appear in their name, without prior written permission of the
- * University Corporation for Advanced Internet Development.
- *
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND WITH ALL FAULTS. ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, AND NON-INFRINGEMENT ARE DISCLAIMED AND THE ENTIRE RISK
- * OF SATISFACTORY QUALITY, PERFORMANCE, ACCURACY, AND EFFORT IS WITH LICENSEE.
- * IN NO EVENT SHALL THE COPYRIGHT OWNER, CONTRIBUTORS OR THE UNIVERSITY
- * CORPORATION FOR ADVANCED INTERNET DEVELOPMENT, INC. BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 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.
*/
/*
# include <unistd.h>
#endif
-#include <sstream>
#include <fstream>
-#include <stdexcept>
-#include <shib/shib-threads.h>
-#include <log4cpp/Category.hh>
-#include <log4cpp/PropertyConfigurator.hh>
+#include <saml/SAMLConfig.h>
#include <xercesc/util/Base64.hpp>
-#include <xercesc/util/regx/RegularExpression.hpp>
+#include <shibsp/AccessControl.h>
+#include <shibsp/RequestMapper.h>
+#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/TemplateEngine.h>
+#include <xmltooling/util/XMLHelper.h>
#ifndef HAVE_STRCASECMP
# define strcasecmp stricmp
#endif
-using namespace std;
-using namespace saml;
-using namespace shibboleth;
+using namespace shibsp;
using namespace shibtarget;
+using namespace shibboleth;
+using namespace saml;
+using namespace opensaml::saml2md;
using namespace log4cpp;
+using namespace std;
+
+using xmltooling::TemplateEngine;
+using xmltooling::XMLToolingException;
+using xmltooling::XMLToolingConfig;
+using xmltooling::XMLHelper;
namespace shibtarget {
- class CgiParse
- {
- public:
- CgiParse(const char* data, unsigned int len);
- ~CgiParse();
- const char* get_value(const char* name) const;
-
- static char x2c(char *what);
- static void url_decode(char *url);
- static string url_encode(const char* s);
- private:
- char * fmakeword(char stop, unsigned int *cl, const char** ppch);
- char * makeword(char *line, char stop);
- void plustospace(char *str);
-
- map<string,char*> kvp_map;
- };
-
- class ShibTargetPriv
- {
- public:
- ShibTargetPriv();
- ~ShibTargetPriv();
-
- void get_application(const string& protocol, const string& hostname, int port, const string& uri);
- const char* getCookie(ShibTarget* st, const string& name);
- //const char* getSessionId(ShibTarget* st);
- //const char* getRelayState(ShibTarget* st);
-
- private:
- friend class ShibTarget;
- IRequestMapper::Settings m_settings;
- const IApplication *m_app;
- string m_shireURL;
-
- map<string,string> m_cookieMap;
-
- ShibProfile m_sso_profile;
- string m_provider_id;
- SAMLAuthenticationStatement* m_sso_statement;
- SAMLResponse* m_pre_response;
- SAMLResponse* m_post_response;
-
- // These are the actual request parameters set via the init method.
- string m_url;
- string m_method;
- string m_protocol;
- string m_content_type;
- string m_remote_addr;
-
- ShibTargetConfig* m_Config;
-
- IConfig* m_conf;
- IRequestMapper* m_mapper;
- };
-}
+ class ExtTemplateParameters : public TemplateEngine::TemplateParameters
+ {
+ const PropertySet* m_props;
+ public:
+ ExtTemplateParameters() : m_props(NULL) {}
+ ~ExtTemplateParameters() {}
+
+ void setPropertySet(const PropertySet* props) {
+ m_props = props;
+
+ // Create a timestamp.
+ time_t now = time(NULL);
+#ifdef HAVE_CTIME_R
+ char timebuf[32];
+ m_map["now"] = ctime_r(&now,timebuf);
+#else
+ m_map["now"] = ctime(&now);
+#endif
+ }
-/*************************************************************************
- * Shib Target implementation
- */
+ const char* getParameter(const char* name) const {
+ const char* pch = TemplateParameters::getParameter(name);
+ if (pch || !m_props)
+ return pch;
+ pair<bool,const char*> p = m_props->getString(name);
+ return p.first ? p.second : NULL;
+ }
+ };
-ShibTarget::ShibTarget(void) : m_priv(NULL)
-{
- m_priv = new ShibTargetPriv();
-}
+ long _sendError(SPRequest* st, const char* page, ExtTemplateParameters& tp, const XMLToolingException* ex=NULL);
-ShibTarget::ShibTarget(const IApplication *app) : m_priv(NULL)
-{
- m_priv = new ShibTargetPriv();
- m_priv->m_app = app;
+ static const XMLCh SessionInitiator[] = UNICODE_LITERAL_16(S,e,s,s,i,o,n,I,n,i,t,i,a,t,o,r);
}
-ShibTarget::~ShibTarget(void)
-{
- if (m_priv) delete m_priv;
-}
-void ShibTarget::init(
- ShibTargetConfig *config,
- const char* protocol,
- const char* hostname,
- int port,
- const char* uri,
- const char* content_type,
- const char* remote_host,
- const char* method
- )
-{
-#ifdef _DEBUG
- saml::NDC ndc("ShibTarget::init");
-#endif
+/*************************************************************************
+ * Shib Target implementation
+ */
- if (m_priv->m_app)
- throw SAMLException("Request initialization occurred twice!");
- if (!config)
- throw SAMLException("SP configuration not supplied.");
-
- if (protocol) m_priv->m_protocol = protocol;
- if (content_type) m_priv->m_content_type = content_type;
- if (remote_host) m_priv->m_remote_addr = remote_host;
- if (method) m_priv->m_method = method;
- m_priv->m_Config = config;
- m_priv->get_application(protocol, hostname, port, uri);
-}
// These functions implement the server-agnostic shibboleth engine
// The web server modules implement a subclass and then call into
// these methods once they instantiate their request object.
-pair<bool,void*>
-ShibTarget::doCheckAuthN(bool requireSessionFlag, bool handleProfile)
+
+pair<bool,long> ShibTarget::doCheckAuthN(bool handler)
{
#ifdef _DEBUG
- saml::NDC ndc("ShibTarget::doCheckAuthN");
+ xmltooling::NDC ndc("doCheckAuthN");
#endif
- const char *targetURL = NULL;
- const char *procState = "Request Setup Error";
- ShibMLP mlp;
+ const char* procState = "Request Processing Error";
+ string targetURL = getRequestURL();
+ ExtTemplateParameters tp;
try {
- if (!m_priv->m_app)
- throw SAMLException("System uninitialized, application did not supply request information.");
-
- targetURL = m_priv->m_url.c_str();
- const char *shireURL = getShireURL(targetURL);
- if (!shireURL)
- throw SAMLException("Cannot determine assertion consumer service from resource URL, check configuration.");
-
- if (strstr(targetURL,shireURL)) {
- if (handleProfile)
- return doHandleProfile();
- else
- return pair<bool,void*>(true, returnOK());
+ RequestMapper::Settings settings = getRequestSettings();
+ const IApplication& app = dynamic_cast<const IApplication&>(getApplication());
+
+ // If not SSL, check to see if we should block or redirect it.
+ if (!strcmp("http",getScheme())) {
+ pair<bool,const char*> redirectToSSL = settings.first->getString("redirectToSSL");
+ if (redirectToSSL.first) {
+ if (!strcasecmp("GET",getMethod()) || !strcasecmp("HEAD",getMethod())) {
+ // Compute the new target URL
+ string redirectURL = string("https://") + getHostname();
+ if (strcmp(redirectToSSL.second,"443")) {
+ redirectURL = redirectURL + ':' + redirectToSSL.second;
+ }
+ redirectURL += getRequestURI();
+ return make_pair(true, sendRedirect(redirectURL.c_str()));
+ }
+ else {
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "ssl", tp));
+ }
+ }
}
+
+ const char* handlerURL=getHandlerURL(targetURL.c_str());
+ if (!handlerURL)
+ throw ConfigurationException("Cannot determine handler from resource URL, check configuration.");
+
+ // If the request URL contains the handler base URL for this application, either dispatch
+ // directly (mainly Apache 2.0) or just pass back control.
+ if (strstr(targetURL.c_str(),handlerURL)) {
+ if (handler)
+ return doHandler();
+ else
+ return make_pair(true, returnOK());
+ }
+
+ // Three settings dictate how to proceed.
+ pair<bool,const char*> authType = settings.first->getString("authType");
+ pair<bool,bool> requireSession = settings.first->getBool("requireSession");
+ pair<bool,const char*> requireSessionWith = settings.first->getString("requireSessionWith");
+
+ // If no session is required AND the AuthType (an Apache-derived concept) isn't shibboleth,
+ // then we ignore this request and consider it unprotected. Apache might lie to us if
+ // ShibBasicHijack is on, but that's up to it.
+ if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first &&
+#ifdef HAVE_STRCASECMP
+ (!authType.first || strcasecmp(authType.second,"shibboleth")))
+#else
+ (!authType.first || _stricmp(authType.second,"shibboleth")))
+#endif
+ return make_pair(true,returnDecline());
- string auth_type = getAuthType();
- if (strcasecmp(auth_type.c_str(),"shibboleth"))
- return pair<bool,void*>(true,returnDecline());
-
- pair<bool,bool> requireSession = m_priv->m_settings.first->getBool("requireSession");
- if (!requireSession.first || !requireSession.second) {
- // Web server might override.
- if (requireSessionFlag)
- requireSession.second=true;
- }
+ // Fix for secadv 20050901
+ clearHeaders();
- pair<string,const char*> shib_cookie = getCookieNameProps("_shibsession_");
- const char* session_id = m_priv->getCookie(this,shib_cookie.first);
+ pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
+ const char* session_id = getCookie(shib_cookie.first.c_str());
if (!session_id || !*session_id) {
// No session. Maybe that's acceptable?
- if (!requireSession.second)
- return pair<bool,void*>(true,returnOK());
+ if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first)
+ return make_pair(true,returnOK());
+
+ // No cookie, but we require a session. Initiate a new session using the indicated method.
+ procState = "Session Initiator Error";
+ const Handler* initiator=NULL;
+ if (requireSessionWith.first) {
+ initiator=app.getSessionInitiatorById(requireSessionWith.second);
+ if (!initiator)
+ throw ConfigurationException(
+ "No session initiator found with id ($1), check requireSessionWith command.",
+ xmltooling::params(1,requireSessionWith.second)
+ );
+ }
+ else {
+ initiator=app.getDefaultSessionInitiator();
+ if (!initiator)
+ throw ConfigurationException("No default session initiator found, check configuration.");
+ }
- // No cookie, but we require a session. Generate an AuthnRequest.
- return pair<bool,void*>(true,sendRedirect(getAuthnRequest(targetURL)));
+ return initiator->run(*this,false);
}
procState = "Session Processing Error";
+ const Session* session=NULL;
try {
- // Localized exception throw if the session isn't valid.
- sessionGet(
- session_id,
- m_priv->m_remote_addr.c_str(),
- m_priv->m_sso_profile,
- m_priv->m_provider_id,
- &m_priv->m_sso_statement,
- &m_priv->m_pre_response,
- &m_priv->m_post_response
- );
+ session=getSession();
+ // Make a localized exception throw if the session isn't valid.
+ if (!session)
+ throw RetryableProfileException("Session no longer valid.");
}
- catch (SAMLException& e) {
- log(LogLevelError, string("session processing failed: ") + e.what());
+ catch (exception& e) {
+ log(SPWarn, string("session processing failed: ") + e.what());
// If no session is required, bail now.
- if (!requireSession.second)
+ if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first)
// Has to be OK because DECLINED will just cause Apache
// to fail when it can't locate anything to process the
// AuthType. No session plus requireSession false means
// do not authenticate the user at this time.
- return pair<bool,void*>(true, returnOK());
-
- // TODO: need to test this...may need an actual reference cast
- if (typeid(e)==typeid(RetryableProfileException)) {
- // Session is invalid but we can retry -- generate an AuthnRequest
- return pair<bool,void*>(true,sendRedirect(getAuthnRequest(targetURL)));
+ return make_pair(true, returnOK());
+
+ // Try and cast down.
+ exception* base = &e;
+ RetryableProfileException* trycast=dynamic_cast<RetryableProfileException*>(base);
+ if (trycast) {
+ // Session is invalid but we can retry -- initiate a new session.
+ procState = "Session Initiator Error";
+ const Handler* initiator=NULL;
+ if (requireSessionWith.first) {
+ initiator=app.getSessionInitiatorById(requireSessionWith.second);
+ if (!initiator)
+ throw ConfigurationException(
+ "No session initiator found with id ($1), check requireSessionWith command.",
+ xmltooling::params(1,requireSessionWith.second)
+ );
+ }
+ else {
+ initiator=app.getDefaultSessionInitiator();
+ if (!initiator)
+ throw ConfigurationException("No default session initiator found, check configuration.");
+ }
+ return initiator->run(*this,false);
}
throw; // send it to the outer handler
}
// We're done. Everything is okay. Nothing to report. Nothing to do..
// Let the caller decide how to proceed.
- log(LogLevelDebug, "doCheckAuthN succeeded");
- return pair<bool,void*>(false,NULL);
+ log(SPDebug, "doCheckAuthN succeeded");
+ return make_pair(false,0);
}
- catch (SAMLException& e) {
- mlp.insert(e);
+ catch (XMLToolingException& e) {
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = e.what();
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "session", tp, &e));
}
#ifndef _DEBUG
catch (...) {
- mlp.insert("errorText", "Caught an unknown exception.");
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = "Caught an unknown exception.";
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "session", tp));
}
#endif
-
- // If we get here then we've got an error.
- mlp.insert("errorType", procState);
- if (targetURL)
- mlp.insert("requestURL", targetURL);
-
- return pair<bool,void*>(true,sendError("session", mlp));
}
-pair<bool,void*>
-ShibTarget::doHandleProfile(void)
+pair<bool,long> ShibTarget::doHandler(void)
{
#ifdef _DEBUG
- saml::NDC ndc("ShibTarget::doHandleProfile");
+ xmltooling::NDC ndc("doHandler");
#endif
- const char *targetURL = NULL;
- const char *procState = "Session Creation Service Error";
- ShibMLP mlp;
+ const IApplication* app=NULL;
+ ExtTemplateParameters tp;
+ const char* procState = "Shibboleth Handler Error";
+ string targetURL = getRequestURL();
try {
- if (!m_priv->m_app)
- throw SAMLException("System uninitialized, application did not supply request information.");
+ RequestMapper::Settings settings = getRequestSettings();
+ app = dynamic_cast<const IApplication*>(&getApplication());
- targetURL = m_priv->m_url.c_str();
- const char* shireURL = getShireURL(targetURL);
+ const char* handlerURL=getHandlerURL(targetURL.c_str());
+ if (!handlerURL)
+ throw ConfigurationException("Cannot determine handler from resource URL, check configuration.");
- if (!shireURL)
- throw SAMLException("Cannot determine assertion consumer service, check configuration.");
+ // Make sure we only process handler requests.
+ if (!strstr(targetURL.c_str(),handlerURL))
+ return make_pair(true, returnDecline());
- // Make sure we only process the SHIRE requests.
- if (!strstr(targetURL, shireURL))
- return pair<bool,void*>(true, returnDecline());
-
- const IPropertySet* sessionProps=m_priv->m_app->getPropertySet("Sessions");
+ const PropertySet* sessionProps=app->getPropertySet("Sessions");
if (!sessionProps)
- throw SAMLException("Unable to map request to application session settings, check configuration.");
+ throw ConfigurationException("Unable to map request to application session settings, check configuration.");
// Process incoming request.
- pair<bool,bool> shireSSL=sessionProps->getBool("handlerSSL");
+ pair<bool,bool> handlerSSL=sessionProps->getBool("handlerSSL");
// Make sure this is SSL, if it should be
- if ((!shireSSL.first || shireSSL.second) && m_priv->m_protocol != "https")
- throw FatalProfileException("Blocked non-SSL access to session creation service.");
-
- // If this is a GET, we see if it's a lazy session request, otherwise
- // assume it's a profile response and process it.
- string cgistr;
- if (!strcasecmp(m_priv->m_method.c_str(), "GET")) {
- cgistr = getArgs();
- string areq;
- if (!cgistr.empty())
- areq=getLazyAuthnRequest(cgistr.c_str());
- if (!areq.empty())
- return pair<bool,void*>(true, sendRedirect(areq));
- }
- else if (!strcasecmp(m_priv->m_method.c_str(), "POST")) {
- if (m_priv->m_content_type.empty() || strcasecmp(m_priv->m_content_type.c_str(),"application/x-www-form-urlencoded")) {
- throw FatalProfileException(
- "Blocked invalid POST content-type ($1) to session creation service.",
- params(1,m_priv->m_content_type.c_str())
- );
- }
- // Read the POST Data
- cgistr = getPostData();
- }
-
- // Process the submission
- string cookie,target,providerId;
- try {
- sessionNew(
- SAML11_POST | SAML11_ARTIFACT,
- cgistr.c_str(),
- m_priv->m_remote_addr.c_str(),
- target,
- cookie,
- providerId
- );
- }
- catch (SAMLException& e) {
- log(LogLevelError, string("profile processing failed: ") + e.what());
-
- // TODO: need to test this...may need an actual reference cast
- if (typeid(e)==typeid(RetryableProfileException)) {
- return pair<bool,void*>(true, sendRedirect(getAuthnRequest(target.c_str())));
- }
- throw; // send it to the outer handler
- }
-
- log(LogLevelDebug, string("profile processing succeeded, new session created (") + cookie + ")");
-
- if (target=="default") {
- pair<bool,const char*> homeURL=m_priv->m_app->getString("homeURL");
- target=homeURL.first ? homeURL.second : "/";
- }
- else if (target=="cookie") {
- // Pull the target value from the "relay state" cookie.
- pair<string,const char*> relay_cookie = getCookieNameProps("_shibstate_");
- const char* relay_state = m_priv->getCookie(this,relay_cookie.first);
- if (!relay_state || !*relay_state) {
- // No apparent relay state value to use, so fall back on the default.
- pair<bool,const char*> homeURL=m_priv->m_app->getString("homeURL");
- target=homeURL.first ? homeURL.second : "/";
- }
- else {
- char* rscopy=strdup(relay_state);
- CgiParse::url_decode(rscopy);
- target=rscopy;
- free(rscopy);
- }
- }
-
- // We've got a good session, set the session cookie.
- pair<string,const char*> shib_cookie=getCookieNameProps("_shibsession_");
- setCookie(shib_cookie.first, cookie + shib_cookie.second);
-
- pair<bool,bool> idpHistory=sessionProps->getBool("idpHistory");
- if (!idpHistory.first || idpHistory.second) {
- // Set an IdP history cookie locally (essentially just a CDC).
- CommonDomainCookie cdc(m_priv->getCookie(this,CommonDomainCookie::CDCName));
- setCookie(CommonDomainCookie::CDCName,string(cdc.set(providerId.c_str())) + shib_cookie.second);
- }
+ if ((!handlerSSL.first || handlerSSL.second) && strcmp(getScheme(),"https"))
+ throw FatalProfileException("Blocked non-SSL access to Shibboleth handler.");
+
+ // We dispatch based on our path info. We know the request URL begins with or equals the handler URL,
+ // so the path info is the next character (or null).
+ const Handler* handler=app->getHandler(targetURL.c_str() + strlen(handlerURL));
+ if (!handler)
+ throw opensaml::BindingException("Shibboleth handler invoked at an unconfigured location.");
+
+ if (XMLHelper::isNodeNamed(handler->getElement(),samlconstants::SAML20MD_NS,AssertionConsumerService::LOCAL_NAME))
+ procState = "Session Creation Error";
+ else if (XMLString::equals(handler->getElement()->getLocalName(),SessionInitiator))
+ procState = "Session Initiator Error";
+ else if (XMLHelper::isNodeNamed(handler->getElement(),samlconstants::SAML20MD_NS,SingleLogoutService::LOCAL_NAME))
+ procState = "Session Termination Error";
+ else
+ procState = "Protocol Handler Error";
+ pair<bool,long> hret=handler->run(*this);
- // Now redirect to the target.
- return pair<bool,void*>(true, sendRedirect(target));
+ // Did the handler run successfully?
+ if (hret.first)
+ return hret;
+
+ throw opensaml::BindingException("Configured Shibboleth handler failed to process the request.");
}
catch (MetadataException& e) {
- mlp.insert(e);
+ tp.m_map["errorText"] = e.what();
// See if a metadata error page is installed.
- const IPropertySet* props=m_priv->m_app->getPropertySet("Errors");
+ const PropertySet* props=app->getPropertySet("Errors");
if (props) {
pair<bool,const char*> p=props->getString("metadata");
if (p.first) {
- mlp.insert("errorType", procState);
- if (targetURL)
- mlp.insert("requestURL", targetURL);
- return pair<bool,void*>(true,sendError("metadata", mlp));
+ tp.m_map["errorType"] = procState;
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "metadata", tp));
}
}
+ throw;
}
- catch (SAMLException& e) {
- mlp.insert(e);
+ catch (XMLToolingException& e) {
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = e.what();
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "session", tp, &e));
}
#ifndef _DEBUG
catch (...) {
- mlp.insert("errorText", "Caught an unknown exception.");
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = "Caught an unknown exception.";
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "session", tp));
}
#endif
-
- // If we get here then we've got an error.
- mlp.insert("errorType", procState);
-
- if (targetURL)
- mlp.insert("requestURL", targetURL);
-
- return pair<bool,void*>(true,sendError("session", mlp));
}
-pair<bool,void*>
-ShibTarget::doCheckAuthZ(void)
+pair<bool,long> ShibTarget::doCheckAuthZ(void)
{
#ifdef _DEBUG
- saml::NDC ndc("ShibTarget::doCheckAuthZ");
+ xmltooling::NDC ndc("doCheckAuthZ");
#endif
- ShibMLP mlp;
- const char *procState = "Authorization Processing Error";
- const char *targetURL = NULL;
+ const IApplication* app=NULL;
+ ExtTemplateParameters tp;
+ const char* procState = "Authorization Processing Error";
+ string targetURL = getRequestURL();
try {
- if (!m_priv->m_app)
- throw SAMLException("System uninitialized, application did not supply request information.");
-
- targetURL = m_priv->m_url.c_str();
+ RequestMapper::Settings settings = getRequestSettings();
+ app = dynamic_cast<const IApplication*>(&getApplication());
+
+ // Three settings dictate how to proceed.
+ pair<bool,const char*> authType = settings.first->getString("authType");
+ pair<bool,bool> requireSession = settings.first->getBool("requireSession");
+ pair<bool,const char*> requireSessionWith = settings.first->getString("requireSessionWith");
+
+ // If no session is required AND the AuthType (an Apache-derived concept) isn't shibboleth,
+ // then we ignore this request and consider it unprotected. Apache might lie to us if
+ // ShibBasicHijack is on, but that's up to it.
+ if ((!requireSession.first || !requireSession.second) && !requireSessionWith.first &&
+#ifdef HAVE_STRCASECMP
+ (!authType.first || strcasecmp(authType.second,"shibboleth")))
+#else
+ (!authType.first || _stricmp(authType.second,"shibboleth")))
+#endif
+ return make_pair(true,returnDecline());
// Do we have an access control plugin?
- if (m_priv->m_settings.second) {
- Locker acllock(m_priv->m_settings.second);
- if (!m_priv->m_settings.second->authorized(*m_priv->m_sso_statement,
- m_priv->m_post_response ? m_priv->m_post_response->getAssertions() : EMPTY(SAMLAssertion*))) {
- log(LogLevelWarn, "doCheckAuthZ() access control provider denied access");
- if (targetURL)
- mlp.insert("requestURL", targetURL);
- return pair<bool,void*>(true,sendError("access", mlp));
- }
- }
-
- // Perform HTAccess Checks
- auto_ptr<HTAccessInfo> ht(getAccessInfo());
-
- // No Info means OK. Just return
- if (!ht.get())
- return pair<bool,void*>(false, NULL);
-
- vector<bool> auth_OK(ht->elements.size(), false);
- bool method_restricted=false;
- string remote_user = getRemoteUser();
-
-#define CHECK_OK \
- do { \
- if (!ht->requireAll) { \
- return pair<bool,void*>(false, NULL); \
- } \
- auth_OK[x] = true; \
- continue; \
- } while (0)
-
- for (int x = 0; x < ht->elements.size(); x++) {
- auth_OK[x] = false;
- HTAccessInfo::RequireLine *line = ht->elements[x];
- if (! line->use_line)
- continue;
- method_restricted = true;
-
- const char *w = line->tokens[0].c_str();
-
- 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.
- CHECK_OK;
+ if (settings.second) {
+ const Session* session =NULL;
+ pair<string,const char*> shib_cookie=app->getCookieNameProps("_shibsession_");
+ const char *session_id = getCookie(shib_cookie.first.c_str());
+ try {
+ if (session_id && *session_id) {
+ session = getSession();
+ }
}
- else if (!strcmp(w,"valid-user")) {
- log(LogLevelDebug, "doCheckAuthZ accepting valid-user");
- CHECK_OK;
+ catch (exception&) {
+ log(SPWarn, "doCheckAuthZ: unable to obtain session information to pass to access control provider");
}
- else if (!strcmp(w,"user") && !remote_user.empty()) {
- bool regexp=false;
- for (int i = 1; i < line->tokens.size(); i++) {
- w = line->tokens[i].c_str();
- if (*w == '~') {
- regexp = true;
- continue;
- }
-
- if (regexp) {
- try {
- // To do regex matching, we have to convert from UTF-8.
- auto_ptr<XMLCh> trans(fromUTF8(w));
- RegularExpression re(trans.get());
- auto_ptr<XMLCh> trans2(fromUTF8(remote_user.c_str()));
- if (re.matches(trans2.get())) {
- log(LogLevelDebug, string("doCheckAuthZ accepting user: ") + w);
- CHECK_OK;
- }
- }
- catch (XMLException& ex) {
- auto_ptr_char tmp(ex.getMessage());
- log(LogLevelError, string("doCheckAuthZ caught exception while parsing regular expression (")
- + w + "): " + tmp.get());
- }
- }
- else if (!strcmp(remote_user.c_str(), w)) {
- log(LogLevelDebug, string("doCheckAuthZ accepting user: ") + w);
- CHECK_OK;
- }
- }
- }
- else if (!strcmp(w,"group")) {
- auto_ptr<HTGroupTable> grpstatus(getGroupTable(remote_user));
- if (!grpstatus.get()) {
- return pair<bool,void*>(true, returnDecline());
- }
-
- for (int i = 1; i < line->tokens.size(); i++) {
- w = line->tokens[i].c_str();
- if (grpstatus->lookup(w)) {
- log(LogLevelDebug, string("doCheckAuthZ accepting group: ") + w);
- CHECK_OK;
- }
- }
+
+ xmltooling::Locker acllock(settings.second);
+ if (settings.second->authorized(*this,session)) {
+ // Let the caller decide how to proceed.
+ log(SPDebug, "doCheckAuthZ: access control provider granted access");
+ return make_pair(false,0);
}
else {
- Iterator<IAAP*> provs = m_priv->m_app->getAAPProviders();
- AAP wrapper(provs, w);
- if (wrapper.fail()) {
- log(LogLevelWarn, string("doCheckAuthZ didn't recognize require rule: ") + w);
- continue;
- }
-
- bool regexp = false;
- string vals = getHeader(wrapper->getHeader());
- for (int i = 1; i < line->tokens.size() && !vals.empty(); i++) {
- w = line->tokens[i].c_str();
- if (*w == '~') {
- regexp = true;
- continue;
- }
-
- try {
- auto_ptr<RegularExpression> re;
- if (regexp) {
- delete re.release();
- auto_ptr<XMLCh> trans(fromUTF8(w));
- auto_ptr<RegularExpression> temp(new RegularExpression(trans.get()));
- re=temp;
- }
-
- string vals_str(vals);
- int j = 0;
- for (int i = 0; i < vals_str.length(); i++) {
- if (vals_str.at(i) == ';') {
- if (i == 0) {
- log(LogLevelError, string("doCheckAuthZ invalid header encoding") +
- vals + ": starts with a semicolon");
- throw SAMLException("Invalid information supplied to authorization module.");
- }
-
- 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())) {
- log(LogLevelDebug, string("doCheckAuthZ expecting ") + w +
- ", got " + val + ": authorization granted");
- CHECK_OK;
- }
- }
- else if ((wrapper->getCaseSensitive() && val==w) ||
- (!wrapper->getCaseSensitive() && !strcasecmp(val.c_str(),w))) {
- log(LogLevelDebug, string("doCheckAuthZ expecting ") + w +
- ", got " + val + ": authorization granted.");
- CHECK_OK;
- }
- else {
- log(LogLevelDebug, string("doCheckAuthZ 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())) {
- log(LogLevelDebug, string("doCheckAuthZ expecting ") + w +
- ", got " + val + ": authorization granted.");
- CHECK_OK;
- }
- }
- else if ((wrapper->getCaseSensitive() && val==w) ||
- (!wrapper->getCaseSensitive() && !strcasecmp(val.c_str(),w))) {
- log(LogLevelDebug, string("doCheckAuthZ expecting ") + w +
- ", got " + val + ": authorization granted");
- CHECK_OK;
- }
- else {
- log(LogLevelDebug, string("doCheckAuthZ expecting ") + w +
- ", got " + val + ": authorization not granted");
- }
- }
- catch (XMLException& ex) {
- auto_ptr_char tmp(ex.getMessage());
- log(LogLevelError, string("doCheckAuthZ caught exception while parsing regular expression (")
- + w + "): " + tmp.get());
- }
- }
+ log(SPWarn, "doCheckAuthZ: access control provider denied access");
+ tp.m_map["requestURL"] = targetURL;
+ return make_pair(true,_sendError(this, "access", tp));
}
- } // for x
-
-
- // check if all require directives are true
- bool auth_all_OK = true;
- for (int i = 0; i < ht->elements.size(); i++) {
- auth_all_OK &= auth_OK[i];
+ return make_pair(false,0);
}
-
- if (auth_all_OK || !method_restricted)
- return pair<bool,void*>(false, NULL);
-
- // If we get here there's an access error, so just fall through
+ else
+ return make_pair(true,returnDecline());
}
- catch (SAMLException& e) {
- mlp.insert(e);
+ catch (exception& e) {
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = e.what();
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "access", tp));
}
#ifndef _DEBUG
catch (...) {
- mlp.insert("errorText", "Caught an unknown exception.");
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = "Caught an unknown exception.";
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "access", tp));
}
#endif
-
- // If we get here then we've got an error.
- mlp.insert("errorType", procState);
-
- if (targetURL)
- mlp.insert("requestURL", targetURL);
-
- return pair<bool,void*>(true,sendError("access", mlp));
}
-pair<bool,void*>
-ShibTarget::doExportAssertions(bool exportAssertion)
+pair<bool,long> ShibTarget::doExportAssertions(bool requireSession)
{
#ifdef _DEBUG
- saml::NDC ndc("ShibTarget::doExportAssertions");
+ xmltooling::NDC ndc("doExportAssertions");
#endif
- ShibMLP mlp;
- const char *procState = "Attribute Processing Error";
- const char *targetURL = NULL;
+ const IApplication* app=NULL;
+ ExtTemplateParameters tp;
+ const char* procState = "Attribute Processing Error";
+ string targetURL = getRequestURL();
try {
- if (!m_priv->m_app)
- throw SAMLException("System uninitialized, application did not supply request information.");
-
- targetURL = m_priv->m_url.c_str();
- pair<string,const char*> shib_cookie=getCookieNameProps("_shibsession_");
- const char *session_id = m_priv->getCookie(this,shib_cookie.first);
-
- if (!m_priv->m_sso_statement) {
- // No data yet, so we need to get the session. This can only happen
- // if the call to doCheckAuthn doesn't happen in the same object lifetime.
- sessionGet(
- session_id,
- m_priv->m_remote_addr.c_str(),
- m_priv->m_sso_profile,
- m_priv->m_provider_id,
- &m_priv->m_sso_statement,
- &m_priv->m_pre_response,
- &m_priv->m_post_response
- );
- }
+ RequestMapper::Settings settings = getRequestSettings();
+ app = dynamic_cast<const IApplication*>(&getApplication());
- // Get the AAP providers, which contain the attribute policy info.
- Iterator<IAAP*> provs=m_priv->m_app->getAAPProviders();
+ const Session* session=NULL;
+ pair<string,const char*> shib_cookie=app->getCookieNameProps("_shibsession_");
+ const char *session_id = getCookie(shib_cookie.first.c_str());
+ try {
+ if (session_id && *session_id) {
+ session = getSession();
+ }
+ }
+ catch (exception&) {
+ log(SPWarn, "unable to obtain session information to export into request headers");
+ // If we have to have a session, then this is a fatal error.
+ if (requireSession)
+ throw;
+ }
- // Clear out the list of mapped attributes
- while (provs.hasNext()) {
- IAAP* aap=provs.next();
- Locker locker(aap);
- Iterator<const IAttributeRule*> rules=aap->getAttributeRules();
- while (rules.hasNext()) {
- const char* header=rules.next()->getHeader();
- if (header)
- clearHeader(header);
- }
+ // Still no data?
+ if (!session) {
+ if (requireSession)
+ throw RetryableProfileException("Unable to obtain session information for request.");
+ else
+ return make_pair(false,0); // just bail silently
}
- // Maybe export the first assertion.
- clearHeader("Shib-Attributes");
- pair<bool,bool> exp=m_priv->m_settings.first->getBool("exportAssertion");
- if (!exp.first || !exp.second)
- if (exportAssertion)
- exp.second=true;
- if (exp.second && m_priv->m_pre_response) {
- ostringstream os;
- os << *(m_priv->m_pre_response);
+ /*
+ TODO: port to new cache API
+ // Extract data from session.
+ pair<const char*,const SAMLSubject*> sub=m_cacheEntry->getSubject(false,true);
+ pair<const char*,const SAMLResponse*> unfiltered=m_cacheEntry->getTokens(true,false);
+ pair<const char*,const SAMLResponse*> filtered=m_cacheEntry->getTokens(false,true);
+
+ // Maybe export the tokens.
+ pair<bool,bool> exp=m_settings.first->getBool("exportAssertion");
+ if (exp.first && exp.second && unfiltered.first && *unfiltered.first) {
unsigned int outlen;
- XMLByte* serialized = Base64::encode(reinterpret_cast<XMLByte*>((char*)os.str().c_str()), os.str().length(), &outlen);
+ XMLByte* serialized =
+ Base64::encode(reinterpret_cast<XMLByte*>((char*)unfiltered.first), XMLString::stringLen(unfiltered.first), &outlen);
XMLByte *pos, *pos2;
for (pos=serialized, pos2=serialized; *pos2; pos2++)
if (isgraph(*pos2))
setHeader("Shib-Attributes", reinterpret_cast<char*>(serialized));
XMLString::release(&serialized);
}
-
+
// Export the SAML AuthnMethod and the origin site name, and possibly the NameIdentifier.
- clearHeader("Shib-Origin-Site");
- clearHeader("Shib-Identity-Provider");
- clearHeader("Shib-Authentication-Method");
- clearHeader("Shib-NameIdentifier-Format");
- setHeader("Shib-Origin-Site", m_priv->m_provider_id.c_str());
- setHeader("Shib-Identity-Provider", m_priv->m_provider_id.c_str());
- auto_ptr_char am(m_priv->m_sso_statement->getAuthMethod());
- setHeader("Shib-Authentication-Method", am.get());
+ setHeader("Shib-Origin-Site", m_cacheEntry->getProviderId());
+ setHeader("Shib-Identity-Provider", m_cacheEntry->getProviderId());
+ setHeader("Shib-Authentication-Method", m_cacheEntry->getAuthnContext());
+ // Get the AAP providers, which contain the attribute policy info.
+ Iterator<IAAP*> provs=m_app->getAAPProviders();
+
// Export NameID?
- provs.reset();
while (provs.hasNext()) {
IAAP* aap=provs.next();
- Locker locker(aap);
- const IAttributeRule* rule=aap->lookup(m_priv->m_sso_statement->getSubject()->getNameIdentifier()->getFormat());
+ xmltooling::Locker locker(aap);
+ const XMLCh* format = sub.second->getNameIdentifier()->getFormat();
+ const IAttributeRule* rule=aap->lookup(format ? format : SAMLNameIdentifier::UNSPECIFIED);
if (rule && rule->getHeader()) {
- auto_ptr_char form(m_priv->m_sso_statement->getSubject()->getNameIdentifier()->getFormat());
- auto_ptr_char nameid(m_priv->m_sso_statement->getSubject()->getNameIdentifier()->getName());
+ auto_ptr_char form(format ? format : SAMLNameIdentifier::UNSPECIFIED);
+ auto_ptr_char nameid(sub.second->getNameIdentifier()->getName());
setHeader("Shib-NameIdentifier-Format", form.get());
if (!strcmp(rule->getHeader(),"REMOTE_USER"))
setRemoteUser(nameid.get());
}
}
- clearHeader("Shib-Application-ID");
- setHeader("Shib-Application-ID", m_priv->m_app->getId());
+ setHeader("Shib-Application-ID", m_app->getId());
// Export the attributes.
- Iterator<SAMLAssertion*> a_iter(m_priv->m_post_response ? m_priv->m_post_response->getAssertions() : EMPTY(SAMLAssertion*));
+ Iterator<SAMLAssertion*> a_iter(filtered.second ? filtered.second->getAssertions() : EMPTY(SAMLAssertion*));
while (a_iter.hasNext()) {
SAMLAssertion* assert=a_iter.next();
Iterator<SAMLStatement*> statements=assert->getStatements();
provs.reset();
while (provs.hasNext()) {
IAAP* aap=provs.next();
- Locker locker(aap);
+ xmltooling::Locker locker(aap);
const IAttributeRule* rule=aap->lookup(attr->getName(),attr->getNamespace());
if (!rule || !rule->getHeader())
continue;
Iterator<string> vals=attr->getSingleByteValues();
if (!strcmp(rule->getHeader(),"REMOTE_USER") && vals.hasNext())
- setRemoteUser(vals.next());
+ setRemoteUser(vals.next().c_str());
else {
int it=0;
- string header = getHeader(rule->getHeader());
+ string header = getSecureHeader(rule->getHeader());
if (!header.empty())
it++;
for (; vals.hasNext(); it++) {
header += ";";
header += value;
}
- setHeader(rule->getHeader(), header);
+ setHeader(rule->getHeader(), header.c_str());
}
}
}
}
}
+ */
- return pair<bool,void*>(false,NULL);
+ return make_pair(false,0);
}
- catch (SAMLException& e) {
- mlp.insert(e);
+ catch (XMLToolingException& e) {
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = e.what();
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "rm", tp, &e));
}
#ifndef _DEBUG
catch (...) {
- mlp.insert("errorText", "Caught an unknown exception.");
+ tp.m_map["errorType"] = procState;
+ tp.m_map["errorText"] = "Caught an unknown exception.";
+ tp.m_map["requestURL"] = targetURL.substr(0,targetURL.find('?'));
+ return make_pair(true,_sendError(this, "rm", tp));
}
#endif
-
- // If we get here then we've got an error.
- mlp.insert("errorType", procState);
-
- if (targetURL)
- mlp.insert("requestURL", targetURL);
-
- return pair<bool,void*>(true,sendError("rm", mlp));
-}
-
-
-// Low level APIs
-
-// Get the session cookie name and properties for the application
-pair<string,const char*> ShibTarget::getCookieNameProps(const char* prefix) const
-{
- static const char* defProps="; path=/";
-
- const IPropertySet* props=m_priv->m_app ? m_priv->m_app->getPropertySet("Sessions") : NULL;
- if (props) {
- pair<bool,const char*> p=props->getString("cookieProps");
- if (!p.first)
- p.second=defProps;
- pair<bool,const char*> p2=props->getString("cookieName");
- if (p2.first)
- return make_pair(string(prefix) + p2.second,p.second);
- return make_pair(string(prefix) + m_priv->m_app->getHash(),p.second);
- }
-
- // Shouldn't happen, but just in case..
- return make_pair(prefix,defProps);
-}
-
-// Find the default assertion consumer service for the resource
-const char*
-ShibTarget::getShireURL(const char* resource) const
-{
- if (!m_priv->m_shireURL.empty())
- return m_priv->m_shireURL.c_str();
-
- // XXX: what to do is m_app is NULL?
-
- bool shire_ssl_only=false;
- const char* shire=NULL;
- const IPropertySet* props=m_priv->m_app->getPropertySet("Sessions");
- if (props) {
- pair<bool,bool> p=props->getBool("handlerSSL");
- if (p.first)
- shire_ssl_only=p.second;
- pair<bool,const char*> p2=props->getString("handlerURL");
- if (p2.first)
- shire=p2.second;
- }
-
- // Should never happen...
- if (!shire || (*shire!='/' && strncmp(shire,"http:",5) && strncmp(shire,"https:",6)))
- return NULL;
-
- // The "shireURL" property can be in one of three formats:
- //
- // 1) a full URI: http://host/foo/bar
- // 2) a hostless URI: http:///foo/bar
- // 3) a relative path: /foo/bar
- //
- // # Protocol Host Path
- // 1 shire shire shire
- // 2 shire resource shire
- // 3 resource resource shire
- //
- // note: if shire_ssl_only is true, make sure the protocol is https
-
- const char* path = NULL;
-
- // Decide whether to use the shire or the resource for the "protocol"
- const char* prot;
- if (*shire != '/') {
- prot = shire;
- }
- else {
- prot = resource;
- path = shire;
- }
-
- // break apart the "protocol" string into protocol, host, and "the rest"
- const char* colon=strchr(prot,':');
- colon += 3;
- const char* slash=strchr(colon,'/');
- if (!path)
- path = slash;
-
- // Compute the actual protocol and store in member.
- if (shire_ssl_only)
- m_priv->m_shireURL.assign("https://");
- else
- m_priv->m_shireURL.assign(prot, colon-prot);
-
- // create the "host" from either the colon/slash or from the target string
- // If prot == shire then we're in either #1 or #2, else #3.
- // If slash == colon then we're in #2.
- if (prot != shire || slash == colon) {
- colon = strchr(resource, ':');
- colon += 3; // Get past the ://
- slash = strchr(colon, '/');
- }
- string host(colon, slash-colon);
-
- // Build the shire URL
- m_priv->m_shireURL+=host + path;
- return m_priv->m_shireURL.c_str();
-}
-
-// Generate a Shib 1.x AuthnRequest redirect URL for the resource,
-// using whatever relay state mechanism is specified for the app.
-string ShibTarget::getAuthnRequest(const char* resource)
-{
- // XXX: what to do if m_app is NULL?
-
- string req;
- char timebuf[16];
- sprintf(timebuf,"%u",time(NULL));
-
- const IPropertySet* props=m_priv->m_app ? m_priv->m_app->getPropertySet("Sessions") : NULL;
- if (props) {
- pair<bool,const char*> wayf=props->getString("wayfURL");
- if (wayf.first) {
- req=req + wayf.second + "?shire=" + CgiParse::url_encode(getShireURL(resource)) + "&time=" + timebuf;
-
- // How should the target value be preserved?
- pair<bool,bool> localRelayState=m_priv->m_conf->getPropertySet("Local")->getBool("localRelayState");
- if (!localRelayState.first || !localRelayState.second) {
- // The old way, just send it along.
- req = req + "&target=" + CgiParse::url_encode(resource);
- }
- else {
- // Here we store the state in a cookie and send a fixed
- // value to the IdP so we can recognize it on the way back.
- pair<string,const char*> shib_cookie=getCookieNameProps("_shibstate_");
- setCookie(shib_cookie.first,CgiParse::url_encode(resource) + shib_cookie.second);
- req += "&target=cookie";
- }
-
- pair<bool,bool> old=m_priv->m_app->getBool("oldAuthnRequest");
- if (!old.first || !old.second) {
- wayf=m_priv->m_app->getString("providerId");
- if (wayf.first)
- req=req + "&providerId=" + CgiParse::url_encode(wayf.second);
- }
- }
- }
- return req;
-}
-
-// Process a lazy session setup request and turn it into an AuthnRequest
-string ShibTarget::getLazyAuthnRequest(const char* query_string)
-{
- CgiParse parser(query_string,strlen(query_string));
- const char* target=parser.get_value("target");
- if (!target || !*target)
- return "";
- return getAuthnRequest(target);
}
-void ShibTarget::sessionNew(
- int supported_profiles,
- const char* packet,
- const char* ip,
- string& target,
- string& cookie,
- string& provider_id
- ) const
-{
-#ifdef _DEBUG
- saml::NDC ndc("sessionNew");
-#endif
- Category& log = Category::getInstance("shibtarget.ShibTarget");
-
- if (!packet || !*packet) {
- log.error("missing profile response");
- throw FatalProfileException("Profile response missing.");
- }
-
- if (!ip || !*ip) {
- log.error("missing client address");
- throw FatalProfileException("Invalid client address.");
- }
-
- if (supported_profiles <= 0) {
- log.error("no profile support indicated");
- throw FatalProfileException("No profile support indicated.");
- }
-
- shibrpc_new_session_args_2 arg;
- arg.recipient = (char*) m_priv->m_shireURL.c_str();
- arg.application_id = (char*) m_priv->m_app->getId();
- arg.packet = (char*)packet;
- arg.client_addr = (char*)ip;
- arg.supported_profiles = supported_profiles;
-
- log.info("create session for user at (%s) for application (%s)", ip, arg.application_id);
-
- shibrpc_new_session_ret_2 ret;
- memset(&ret, 0, sizeof(ret));
-
- // Loop on the RPC in case we lost contact the first time through
- int retry = 1;
- CLIENT* clnt;
- RPC rpc;
- do {
- clnt = rpc->connect();
- clnt_stat status = shibrpc_new_session_2 (&arg, &ret, clnt);
- if (status != RPC_SUCCESS) {
- // FAILED. Release, disconnect, and retry
- log.error("RPC Failure: %p (%p) (%d): %s", this, clnt, status, clnt_spcreateerror("shibrpc_new_session_2"));
- rpc->disconnect();
- if (retry)
- retry--;
- else
- throw ListenerException("Failure passing session setup information to listener.");
- }
- else {
- // SUCCESS. Pool and continue
- retry = -1;
- }
- } while (retry>=0);
-
- if (ret.status && *ret.status)
- log.debug("RPC completed with exception: %s", ret.status);
- else
- log.debug("RPC completed successfully");
-
- SAMLException* except=NULL;
- if (ret.status && *ret.status) {
- // Reconstitute exception object.
- try {
- istringstream estr(ret.status);
- except=SAMLException::getInstance(estr);
- }
- catch (SAMLException& e) {
- log.error("caught SAML Exception while building the SAMLException: %s", e.what());
- log.error("XML was: %s", ret.status);
- clnt_freeres(clnt, (xdrproc_t)xdr_shibrpc_new_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- throw FatalProfileException("An unrecoverable error occurred while creating your session.");
- }
-#ifndef _DEBUG
- catch (...) {
- log.error("caught unknown exception building SAMLException");
- log.error("XML was: %s", ret.status);
- clnt_freeres(clnt, (xdrproc_t)xdr_shibrpc_new_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- throw;
- }
-#endif
- }
- else {
- log.debug("new session from IdP (%s) with key (%s)", ret.provider_id, ret.cookie);
- cookie = ret.cookie;
- provider_id = ret.provider_id;
- if (ret.target)
- target = ret.target;
- }
-
- clnt_freeres(clnt, (xdrproc_t)xdr_shibrpc_new_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- if (except) {
- auto_ptr<SAMLException> wrapper(except);
- throw *wrapper;
- }
-}
+/*************************************************************************
+ * Shib Target Private implementation
+ */
-void ShibTarget::sessionGet(
- const char* cookie,
- const char* ip,
- ShibProfile& profile,
- string& provider_id,
- SAMLAuthenticationStatement** auth_statement,
- SAMLResponse** attr_response_pre,
- SAMLResponse** attr_response_post
- ) const
+long shibtarget::_sendError(
+ SPRequest* st, const char* page, ExtTemplateParameters& tp, const XMLToolingException* ex
+ )
{
-#ifdef _DEBUG
- saml::NDC ndc("sessionGet");
-#endif
- Category& log = Category::getInstance("shibtarget.ShibTarget");
-
- if (!cookie || !*cookie) {
- log.error("no session key provided");
- throw InvalidSessionException("No session key was provided.");
- }
- else if (strchr(cookie,'=')) {
- log.error("cookie value not extracted successfully, probably overlapping cookies across domains");
- throw InvalidSessionException("The session key wasn't extracted successfully from the browser cookie.");
- }
-
- if (!ip || !*ip) {
- log.error("invalid client Address");
- throw FatalProfileException("Invalid client address.");
- }
+ st->setContentType("text/html");
+ st->setResponseHeader("Expires","01-Jan-1997 12:00:00 GMT");
+ st->setResponseHeader("Cache-Control","private,no-store,no-cache");
- log.info("getting session for client at (%s)", ip);
- log.debug("session cookie (%s)", cookie);
-
- shibrpc_get_session_args_2 arg;
- arg.cookie = (char*)cookie;
- arg.client_addr = (char*)ip;
- arg.application_id = (char*)m_priv->m_app->getId();
-
- shibrpc_get_session_ret_2 ret;
- memset (&ret, 0, sizeof(ret));
-
- // Loop on the RPC in case we lost contact the first time through
- int retry = 1;
- CLIENT *clnt;
- RPC rpc;
- do {
- clnt = rpc->connect();
- clnt_stat status = shibrpc_get_session_2(&arg, &ret, clnt);
- if (status != RPC_SUCCESS) {
- // FAILED. Release, disconnect, and try again...
- log.error("RPC Failure: %p (%p) (%d) %s", this, clnt, status, clnt_spcreateerror("shibrpc_get_session_2"));
- rpc->disconnect();
- if (retry)
- retry--;
- else
- throw ListenerException("Failure requesting session information from listener.");
- }
- else {
- // SUCCESS
- retry = -1;
- }
- } while (retry>=0);
-
- if (ret.status && *ret.status)
- log.debug("RPC completed with exception: %s", ret.status);
- else
- log.debug("RPC completed successfully");
-
- SAMLException* except=NULL;
- if (ret.status && *ret.status) {
- // Reconstitute exception object.
- try {
- istringstream estr(ret.status);
- except=SAMLException::getInstance(estr);
- }
- catch (SAMLException& e) {
- log.error("caught SAML Exception while building the SAMLException: %s", e.what());
- log.error("XML was: %s", ret.status);
- clnt_freeres(clnt, (xdrproc_t)xdr_shibrpc_get_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- throw FatalProfileException("An unrecoverable error occurred while accessing your session.");
- }
- catch (...) {
- log.error("caught unknown exception building SAMLException");
- log.error("XML was: %s", ret.status);
- clnt_freeres(clnt, (xdrproc_t)xdr_shibrpc_get_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- throw;
- }
- }
- else {
- try {
- profile = ret.profile;
- provider_id = ret.provider_id;
-
- // return the Authentication Statement
- if (auth_statement) {
- istringstream authstream(ret.auth_statement);
- log.debugStream() << "trying to decode authentication statement: "
- << ret.auth_statement << CategoryStream::ENDLINE;
- *auth_statement = new SAMLAuthenticationStatement(authstream);
- }
-
- // return the unfiltered Response
- if (attr_response_pre) {
- istringstream prestream(ret.attr_response_pre);
- log.debugStream() << "trying to decode unfiltered attribute response: "
- << ret.attr_response_pre << CategoryStream::ENDLINE;
- *attr_response_pre = new SAMLResponse(prestream);
- }
-
- // return the filtered Response
- if (attr_response_post) {
- istringstream poststream(ret.attr_response_post);
- log.debugStream() << "trying to decode filtered attribute response: "
- << ret.attr_response_post << CategoryStream::ENDLINE;
- *attr_response_post = new SAMLResponse(poststream);
- }
- }
- catch (SAMLException& e) {
- log.error("caught SAML exception while reconstituting session objects: %s", e.what());
- clnt_freeres (clnt, (xdrproc_t)xdr_shibrpc_get_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- throw;
- }
-#ifndef _DEBUG
- catch (...) {
- log.error("caught unknown exception while reconstituting session objects");
- clnt_freeres (clnt, (xdrproc_t)xdr_shibrpc_get_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- throw;
- }
-#endif
- }
-
- clnt_freeres (clnt, (xdrproc_t)xdr_shibrpc_get_session_ret_2, (caddr_t)&ret);
- rpc.pool();
- if (except) {
- auto_ptr<SAMLException> wrapper(except);
- throw *wrapper;
- }
-}
-
-void* ShibTarget::sendError(const char* page, ShibMLP &mlp)
-{
- const IPropertySet* props=m_priv->m_app->getPropertySet("Errors");
+ TemplateEngine* engine = XMLToolingConfig::getConfig().getTemplateEngine();
+ const PropertySet* props=st->getApplication().getPropertySet("Errors");
if (props) {
pair<bool,const char*> p=props->getString(page);
if (p.first) {
ifstream infile(p.second);
- if (!infile.fail()) {
- const char* res = mlp.run(infile,props);
- if (res)
- return sendPage(res);
+ if (infile) {
+ tp.setPropertySet(props);
+ stringstream str;
+ engine->run(infile, str, tp, ex);
+ return st->sendResponse(str);
}
}
- else if (!strcmp(page,"access"))
- return sendPage("Access Denied", 403);
- }
-
- string errstr = string("sendError could not process error template (") + page + ") for application (";
- errstr += m_priv->m_app->getId();
- errstr += ")";
- log(ShibTarget::LogLevelError, errstr);
- return sendPage("Internal Server Error. Please contact the site administrator.");
-}
-
-/*************************************************************************
- * Shib Target Private implementation
- */
-
-ShibTargetPriv::ShibTargetPriv() : m_app(NULL), m_mapper(NULL), m_conf(NULL), m_Config(NULL),
- m_sso_profile(PROFILE_UNSPECIFIED), m_sso_statement(NULL), m_pre_response(NULL), m_post_response(NULL) {}
-
-ShibTargetPriv::~ShibTargetPriv()
-{
- delete m_sso_statement;
- m_sso_statement = NULL;
-
- delete m_pre_response;
- m_pre_response = NULL;
-
- delete m_post_response;
- m_post_response = NULL;
-
- if (m_mapper) {
- m_mapper->unlock();
- m_mapper = NULL;
- }
- if (m_conf) {
- m_conf->unlock();
- m_conf = NULL;
- }
- m_app = NULL;
- m_Config = NULL;
-}
-
-void
-ShibTargetPriv::get_application(const string& protocol, const string& hostname, int port, const string& uri)
-{
- if (m_app)
- return;
-
- // XXX: Do we need to keep conf and mapper locked while we hold m_app?
- // TODO: No, should be able to hold the conf but release the mapper.
-
- // We lock the configuration system for the duration.
- m_conf=m_Config->getINI();
- m_conf->lock();
-
- // Map request to application and content settings.
- m_mapper=m_conf->getRequestMapper();
- m_mapper->lock();
-
- // Obtain the application settings from the parsed URL
- m_settings = m_mapper->getSettingsFromParsedURL(protocol.c_str(),
- hostname.c_str(),
- port, uri.c_str());
-
- // Now find the application from the URL settings
- pair<bool,const char*> application_id=m_settings.first->getString("applicationId");
- const IApplication* application=m_conf->getApplication(application_id.second);
- if (!application) {
- m_mapper->unlock();
- m_mapper = NULL;
- m_conf->unlock();
- m_conf = NULL;
- throw SAMLException("Unable to map request to application settings, check configuration.");
- }
-
- // Store the application for later use
- m_app = application;
-
- // Compute the target URL
- m_url = protocol + "://" + hostname;
- if ((protocol == "http" && port != 80) || (protocol == "https" && port != 443))
- m_url += ":" + port;
- m_url += uri;
-}
-
-const char* ShibTargetPriv::getCookie(ShibTarget* st, const string& name)
-{
- if (m_cookieMap.empty()) {
- string cookies=st->getCookies();
-
- string::size_type pos=0,cname,namelen,val,vallen;
- while (pos !=string::npos && pos < cookies.length()) {
- while (isspace(cookies[pos])) pos++;
- cname=pos;
- pos=cookies.find_first_of("=",pos);
- if (pos == string::npos)
- break;
- namelen=pos-cname;
- pos++;
- if (pos==cookies.length())
- break;
- val=pos;
- pos=cookies.find_first_of(";",pos);
- if (pos != string::npos) {
- vallen=pos-val;
- pos++;
- m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val,vallen)));
- }
- else
- m_cookieMap.insert(make_pair(cookies.substr(cname,namelen),cookies.substr(val)));
+ else if (!strcmp(page,"access")) {
+ istringstream msg("Access Denied");
+ return static_cast<opensaml::GenericResponse*>(st)->sendResponse(msg, opensaml::HTTPResponse::SAML_HTTP_STATUS_FORBIDDEN);
}
}
- map<string,string>::const_iterator lookup=m_cookieMap.find(name);
- return (lookup==m_cookieMap.end()) ? NULL : lookup->second.c_str();
-}
-
-/*************************************************************************
- * CGI Parser implementation
- */
-
-CgiParse::CgiParse(const char* data, unsigned int len)
-{
- const char* pch = data;
- unsigned int cl = len;
-
- while (cl && pch) {
- char *name;
- char *value;
- value=fmakeword('&',&cl,&pch);
- plustospace(value);
- url_decode(value);
- name=makeword(value,'=');
- kvp_map[name]=value;
- free(name);
- }
-}
-CgiParse::~CgiParse()
-{
- for (map<string,char*>::iterator i=kvp_map.begin(); i!=kvp_map.end(); i++)
- free(i->second);
+ string errstr = string("sendError could not process error template (") + page + ")";
+ st->log(SPRequest::SPError, errstr);
+ istringstream msg("Internal Server Error. Please contact the site administrator.");
+ return st->sendError(msg);
}
-const char*
-CgiParse::get_value(const char* name) const
+void ShibTarget::clearHeaders()
{
- map<string,char*>::const_iterator i=kvp_map.find(name);
- if (i==kvp_map.end())
- return NULL;
- return i->second;
-}
-
-/* Parsing routines modified from NCSA source. */
-char *
-CgiParse::makeword(char *line, char stop)
-{
- int x = 0,y;
- char *word = (char *) malloc(sizeof(char) * (strlen(line) + 1));
-
- for(x=0;((line[x]) && (line[x] != stop));x++)
- word[x] = line[x];
-
- word[x] = '\0';
- if(line[x])
- ++x;
- y=0;
+ // Clear invariant stuff.
+ clearHeader("Shib-Origin-Site");
+ clearHeader("Shib-Identity-Provider");
+ clearHeader("Shib-Authentication-Method");
+ clearHeader("Shib-NameIdentifier-Format");
+ clearHeader("Shib-Attributes");
+ clearHeader("Shib-Application-ID");
- while(line[x])
- line[y++] = line[x++];
- line[y] = '\0';
- return word;
-}
-
-char *
-CgiParse::fmakeword(char stop, unsigned int *cl, const char** ppch)
-{
- int wsize;
- char *word;
- int ll;
-
- wsize = 1024;
- ll=0;
- word = (char *) malloc(sizeof(char) * (wsize + 1));
-
- while(1)
- {
- word[ll] = *((*ppch)++);
- if(ll==wsize-1)
- {
- word[ll+1] = '\0';
- wsize+=1024;
- word = (char *)realloc(word,sizeof(char)*(wsize+1));
+ // Clear out the list of mapped attributes
+ Iterator<IAAP*> provs=dynamic_cast<const IApplication&>(getApplication()).getAAPProviders();
+ while (provs.hasNext()) {
+ IAAP* aap=provs.next();
+ xmltooling::Locker locker(aap);
+ Iterator<const IAttributeRule*> rules=aap->getAttributeRules();
+ while (rules.hasNext()) {
+ const char* header=rules.next()->getHeader();
+ if (header)
+ clearHeader(header);
}
- --(*cl);
- if((word[ll] == stop) || word[ll] == EOF || (!(*cl)))
- {
- if(word[ll] != stop)
- ll++;
- word[ll] = '\0';
- return word;
- }
- ++ll;
}
}
-
-void
-CgiParse::plustospace(char *str)
-{
- register int x;
-
- for(x=0;str[x];x++)
- if(str[x] == '+') str[x] = ' ';
-}
-
-char
-CgiParse::x2c(char *what)
-{
- register char digit;
-
- digit = (what[0] >= 'A' ? ((what[0] & 0xdf) - 'A')+10 : (what[0] - '0'));
- digit *= 16;
- digit += (what[1] >= 'A' ? ((what[1] & 0xdf) - 'A')+10 : (what[1] - '0'));
- return(digit);
-}
-
-void
-CgiParse::url_decode(char *url)
-{
- register int x,y;
-
- for(x=0,y=0;url[y];++x,++y)
- {
- if((url[x] = url[y]) == '%')
- {
- url[x] = x2c(&url[y+1]);
- y+=2;
- }
- }
- url[x] = '\0';
-}
-
-static inline char hexchar(unsigned short s)
-{
- return (s<=9) ? ('0' + s) : ('A' + s - 10);
-}
-
-string CgiParse::url_encode(const char* s)
-{
- static char badchars[]="\"\\+<>#%{}|^~[]`;/?:@=&";
-
- string ret;
- for (; *s; s++) {
- if (strchr(badchars,*s) || *s<=0x1F || *s>=0x7F) {
- ret+='%';
- ret+=hexchar(*s >> 4);
- ret+=hexchar(*s & 0x0F);
- }
- else
- ret+=*s;
- }
- return ret;
-}
-// Subclasses may not need to override these particular virtual methods.
-string ShibTarget::getAuthType(void)
-{
- return string("shibboleth");
-}
-void* ShibTarget::returnDecline(void)
-{
- return NULL;
-}
-void* ShibTarget::returnOK(void)
-{
- return NULL;
-}
-HTAccessInfo* ShibTarget::getAccessInfo(void)
-{
- return NULL;
-}
-HTGroupTable* ShibTarget::getGroupTable(string &user)
-{
- return NULL;
-}
-
-// CDC implementation
-
-const char CommonDomainCookie::CDCName[] = "_saml_idp";
-
-CommonDomainCookie::CommonDomainCookie(const char* cookie) : m_decoded(NULL)
-{
- if (!cookie)
- return;
-
- // Copy it so we can URL-decode it.
- char* b64=strdup(cookie);
- CgiParse::url_decode(b64);
-
- // Now Base64 decode it into the decoded delimited list.
- unsigned int len;
- m_decoded=Base64::decode(reinterpret_cast<XMLByte*>(b64),&len);
- free(b64);
- if (!m_decoded) {
- Category::getInstance("CommonDomainCookie").warn("cookie does not appear to be base64-encoded");
- return;
- }
-
- // Chop it up and save off pointers.
- char* ptr=reinterpret_cast<char*>(m_decoded);
- while (*ptr) {
- while (isspace(*ptr)) ptr++;
- m_list.push_back(ptr);
- while (*ptr && !isspace(*ptr)) ptr++;
- if (*ptr)
- *ptr++='\0';
- }
-}
-
-CommonDomainCookie::~CommonDomainCookie()
-{
- if (m_decoded)
- XMLString::release(&m_decoded);
-}
-
-const char* CommonDomainCookie::set(const char* providerId)
-{
- // First scan the list for this IdP.
- for (vector<const char*>::iterator i=m_list.begin(); i!=m_list.end(); i++) {
- if (!strcmp(providerId,*i)) {
- m_list.erase(i);
- break;
- }
- }
-
- // Append it to the end, after storing locally.
- m_additions.push_back(providerId);
- m_list.push_back(m_additions.back().c_str());
-
- // Now rebuild the delimited list.
- string delimited;
- for (vector<const char*>::const_iterator j=m_list.begin(); j!=m_list.end(); j++) {
- if (!delimited.empty()) delimited += ' ';
- delimited += *j;
- }
-
- // Base64 and URL encode it.
- unsigned int len;
- XMLByte* b64=Base64::encode(reinterpret_cast<const XMLByte*>(delimited.c_str()),delimited.length(),&len);
- XMLByte *pos, *pos2;
- for (pos=b64, pos2=b64; *pos2; pos2++)
- if (isgraph(*pos2))
- *pos++=*pos2;
- *pos=0;
- m_encoded=CgiParse::url_encode(reinterpret_cast<char*>(b64));
- XMLString::release(&b64);
- return m_encoded.c_str();
-}
projects / shibboleth / sp.git / blobdiff