/*
- * 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.
*/
-
/* ShibConfig.cpp - Shibboleth runtime configuration
Scott Cantor
*/
#include <time.h>
-#include <signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
#define SHIB_INSTANTIATE
#include "internal.h"
-#include <log4cpp/Category.hh>
+
+#include <openssl/err.h>
using namespace saml;
using namespace shibboleth;
+using namespace xmltooling;
+using namespace log4cpp;
+using namespace std;
-SAML_EXCEPTION_FACTORY(UnsupportedProtocolException);
-SAML_EXCEPTION_FACTORY(OriginSiteMapperException);
namespace {
- ShibInternalConfig g_config;
+ ShibConfig g_config;
+ vector<Mutex*> g_openssl_locks;
+#ifdef HAVE_GOOD_STL
+ map<xmltooling::xstring,const IAttributeFactory*> attrMap;
+#else
+ map<XMLCh*,const IAttributeFactory*> attrMap;
+#endif
}
-ShibConfig::~ShibConfig() {}
-
-bool ShibInternalConfig::init()
+extern "C" SAMLAttribute* ShibAttributeFactory(DOMElement* e)
{
- saml::NDC ndc("init");
-
- REGISTER_EXCEPTION_FACTORY("edu.internet2.middleware.shibboleth.common",UnsupportedProtocolException);
- REGISTER_EXCEPTION_FACTORY("edu.internet2.middleware.shibboleth.common",OriginSiteMapperException);
-
- // Register extension schema.
- saml::XML::registerSchema(XML::SHIB_NS,XML::SHIB_SCHEMA_ID);
-
- m_lock=RWLock::create();
- m_shutdown_wait = CondWait::create();
- if (!m_lock || !m_shutdown_wait)
- {
- log4cpp::Category::getInstance(SHIB_LOGCAT".ShibConfig").fatal("init: failed to create mapper locks");
- delete m_lock;
- delete m_shutdown_wait;
- return false;
- }
+ // First check for an explicit factory.
+#ifdef HAVE_GOOD_STL
+ map<xmltooling::xstring,const IAttributeFactory*>::const_iterator i=attrMap.find(e->getAttributeNS(NULL,L(AttributeName)));
+#else
+ const XMLCh* aname=e->getAttributeNS(NULL,L(AttributeName));
+ map<XMLCh*,const IAttributeFactory*>::const_iterator i;
+ for (i=attrMap.begin(); i!=attrMap.end(); i++)
+ if (!XMLString::compareString(aname,i->first))
+ break;
+#endif
+ if (i!=attrMap.end())
+ return i->second->build(e);
+
+ // Now check for a Scope attribute to ensure proper value handling whenever possible.
+ DOMElement* n=saml::XML::getFirstChildElement(e,saml::XML::SAML_NS,L(AttributeValue));
+ if (n && n->hasAttributeNS(NULL,ScopedAttribute::Scope))
+ return new ScopedAttribute(e);
+
+ // Just use the default class.
+ return new SAMLAttribute(e);
+}
- try
- {
- m_mapper=new XMLOriginSiteMapper(mapperURL.c_str(),SAMLConfig::getConfig().ssl_calist.c_str(),mapperCert);
- }
- catch(SAMLException& e)
- {
- log4cpp::Category::getInstance(SHIB_LOGCAT".ShibConfig").fatal("init: failed to initialize origin site mapper: %s", e.what());
- delete m_lock;
- delete m_shutdown_wait;
- return false;
+void ShibConfig::regAttributeMapping(const XMLCh* name, const IAttributeFactory* factory)
+{
+ if (name && factory) {
+#ifdef HAVE_GOOD_STL
+ attrMap[name]=factory;
+#else
+ attrMap.insert(make_pair(XMLString::replicate(name),factory));
+#endif
}
+}
- m_manager=xmlSecSimpleKeysMngrCreate();
- const char* roots=m_mapper->getTrustedRoots();
- if (roots && *roots && xmlSecSimpleKeysMngrLoadPemCert(m_manager,roots,true) < 0)
- {
- log4cpp::Category::getInstance(SHIB_LOGCAT".ShibConfig").fatal("init: failed to load CAs into simple key manager");
- xmlSecSimpleKeysMngrDestroy(m_manager);
- delete m_mapper;
- delete m_lock;
- delete m_shutdown_wait;
- return false;
+void ShibConfig::unregAttributeMapping(const XMLCh* name)
+{
+ if (name) {
+#ifdef HAVE_GOOD_STL
+ attrMap.erase(name);
+#else
+ for (map<XMLCh*,const IAttributeFactory*>::iterator i=attrMap.begin(); i!=attrMap.end(); i++) {
+ if (!XMLString::compareString(name,i->first)) {
+ XMLCh* temp=i->first;
+ XMLString::release(&temp);
+ attrMap.erase(i);
+ break;
+ }
+ }
+#endif
}
- SAMLConfig::getConfig().xmlsig_ptr=m_manager;
- if (mapperRefreshInterval)
- m_refresh_thread = Thread::create(&refresh_fn, (void*)this);
-
- return true;
}
-void ShibInternalConfig::term()
+void ShibConfig::clearAttributeMappings()
{
- // Shut down the refresh thread and let it know...
- if (m_refresh_thread)
- {
- m_shutdown = true;
- m_shutdown_wait->signal();
- m_refresh_thread->join(NULL);
+#ifndef HAVE_GOOD_STL
+ for (map<XMLCh*,const IAttributeFactory*>::iterator i=attrMap.begin(); i!=attrMap.end(); i++) {
+ XMLCh* temp=i->first;
+ XMLString::release(&temp);
}
-
- delete m_mapper;
- if (m_manager)
- xmlSecSimpleKeysMngrDestroy(m_manager);
- delete mapperCert;
- delete m_lock;
- delete m_shutdown_wait;
+#endif
+ attrMap.clear();
}
-IOriginSiteMapper* ShibInternalConfig::getMapper()
+extern "C" void openssl_locking_callback(int mode,int n,const char *file,int line)
{
- m_lock->rdlock();
- return m_mapper;
+ if (mode & CRYPTO_LOCK)
+ g_openssl_locks[n]->lock();
+ else
+ g_openssl_locks[n]->unlock();
}
-void ShibInternalConfig::releaseMapper(IOriginSiteMapper* mapper)
+#ifndef WIN32
+extern "C" unsigned long openssl_thread_id(void)
{
- m_lock->unlock();
+ return (unsigned long)(pthread_self());
}
+#endif
-ShibConfig& ShibConfig::getConfig()
+bool ShibConfig::init()
{
- return g_config;
+ // Set up OpenSSL locking.
+ for (int i=0; i<CRYPTO_num_locks(); i++)
+ g_openssl_locks.push_back(Mutex::create());
+ CRYPTO_set_locking_callback(openssl_locking_callback);
+#ifndef WIN32
+ CRYPTO_set_id_callback(openssl_thread_id);
+#endif
+
+ SAMLAttribute::setFactory(&ShibAttributeFactory);
+ return true;
}
-void* ShibInternalConfig::refresh_fn(void* config_p)
+void ShibConfig::term()
{
- ShibInternalConfig* config = reinterpret_cast<ShibInternalConfig*>(config_p);
-
- // First, let's block all signals
- sigset_t sigmask;
- sigfillset(&sigmask);
- Thread::mask_signals(SIG_BLOCK, &sigmask, NULL);
-
- // Now run the cleanup process.
- config->refresh();
+ SAMLAttribute::setFactory(NULL);
+ clearAttributeMappings();
+
+ CRYPTO_set_locking_callback(NULL);
+ for (vector<Mutex*>::iterator j=g_openssl_locks.begin(); j!=g_openssl_locks.end(); j++)
+ delete (*j);
+ g_openssl_locks.clear();
}
-void ShibInternalConfig::refresh()
+ShibConfig& ShibConfig::getConfig()
{
- Mutex* mutex = Mutex::create();
- saml::NDC ndc("cleanup");
- log4cpp::Category& log=log4cpp::Category::getInstance(SHIB_LOGCAT".ShibConfig");
-
- mutex->lock();
-
- log.debug("XMLMapper refresh thread started...");
-
- while (!m_shutdown)
- {
- struct timespec ts;
- memset (&ts, 0, sizeof(ts));
- ts.tv_sec = time(NULL) + mapperRefreshInterval;
-
- m_shutdown_wait->timedwait(mutex, &ts);
-
- if (m_shutdown)
- break;
-
- log.info("Refresh thread running...");
-
- // To refresh the mapper, we basically build a new one in the background and if it works,
- // we grab the write lock and replace the official pointer with the new one.
- try
- {
- IOriginSiteMapper* new_mapper=new XMLOriginSiteMapper(mapperURL.c_str(),SAMLConfig::getConfig().ssl_calist.c_str(),mapperCert);
- m_lock->wrlock();
- delete m_mapper;
- m_mapper=new_mapper;
- m_lock->unlock();
- }
- catch(SAMLException& e)
- {
- log.error("failed to build a refreshed origin site mapper, sticking with what we have: %s", e.what());
- }
- catch(...)
- {
- log.error("caught an unknown exception, sticking with what we have");
- }
- }
-
- mutex->unlock();
- delete mutex;
- Thread::exit(NULL);
+ return g_config;
}
projects / shibboleth / cpp-sp.git / blobdiff