-/*
- * Copyright 2001-2009 Internet2
+/**
+ * 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.
*
- * 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
+ * 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.
*/
/**
#include "SessionCacheEx.h"
#include "TransactionLog.h"
#include "attribute/Attribute.h"
+#include "handler/RemotedHandler.h"
#include "remoting/ListenerService.h"
#include "util/SPConstants.h"
#include <algorithm>
+#include <boost/bind.hpp>
+#include <boost/shared_ptr.hpp>
+#include <xmltooling/io/HTTPRequest.h>
+#include <xmltooling/io/HTTPResponse.h>
#include <xmltooling/util/DateTime.h>
#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/ParserPool.h>
+#include <xmltooling/util/Threads.h>
#include <xmltooling/util/XMLHelper.h>
#include <xercesc/util/XMLUniDefs.hpp>
#ifndef SHIBSP_LITE
+# include <saml/exceptions.h>
# include <saml/SAMLConfig.h>
+# include <saml/saml2/core/Assertions.h>
+# include <saml/saml2/metadata/Metadata.h>
# include <xmltooling/XMLToolingConfig.h>
# include <xmltooling/util/StorageService.h>
+# include <xercesc/util/XMLStringTokenizer.hpp>
using namespace opensaml::saml2md;
#else
# include <ctime>
using namespace shibsp;
using namespace opensaml;
using namespace xmltooling;
+using namespace boost;
using namespace std;
-namespace shibsp {
+namespace {
+
+ // Allows the cache to bind sessions to multiple client address
+ // families based on whatever this function returns.
+ static const char* getAddressFamily(const char* addr) {
+ if (strchr(addr, ':'))
+ return "6";
+ else
+ return "4";
+ }
class StoredSession;
class SSCache : public SessionCacheEx
{
public:
SSCache(const DOMElement* e);
- ~SSCache();
+ virtual ~SSCache();
#ifndef SHIBSP_LITE
void receive(DDF& in, ostream& out);
void insert(
- const Application& application,
+ const Application& app,
+ const HTTPRequest& httpRequest,
+ HTTPResponse& httpResponse,
+ time_t expires,
+ const EntityDescriptor* issuer=nullptr,
+ const XMLCh* protocol=nullptr,
+ const saml2::NameID* nameid=nullptr,
+ const XMLCh* authn_instant=nullptr,
+ const XMLCh* session_index=nullptr,
+ const XMLCh* authncontext_class=nullptr,
+ const XMLCh* authncontext_decl=nullptr,
+ const vector<const Assertion*>* tokens=nullptr,
+ const vector<Attribute*>* attributes=nullptr
+ ) {
+ string dummy;
+ insert(dummy, app, httpRequest, httpResponse, expires, issuer, protocol, nameid,
+ authn_instant, session_index, authncontext_class, authncontext_decl, tokens, attributes);
+ }
+
+ void insert(
+ string& sessionID,
+ const Application& app,
const HTTPRequest& httpRequest,
HTTPResponse& httpResponse,
time_t expires,
- const saml2md::EntityDescriptor* issuer=NULL,
- const XMLCh* protocol=NULL,
- const saml2::NameID* nameid=NULL,
- const XMLCh* authn_instant=NULL,
- const XMLCh* session_index=NULL,
- const XMLCh* authncontext_class=NULL,
- const XMLCh* authncontext_decl=NULL,
- const vector<const Assertion*>* tokens=NULL,
- const vector<Attribute*>* attributes=NULL
+ const EntityDescriptor* issuer=nullptr,
+ const XMLCh* protocol=nullptr,
+ const saml2::NameID* nameid=nullptr,
+ const XMLCh* authn_instant=nullptr,
+ const XMLCh* session_index=nullptr,
+ const XMLCh* authncontext_class=nullptr,
+ const XMLCh* authncontext_decl=nullptr,
+ const vector<const Assertion*>* tokens=nullptr,
+ const vector<Attribute*>* attributes=nullptr
);
vector<string>::size_type logout(
- const Application& application,
- const saml2md::EntityDescriptor* issuer,
+ const Application& app,
+ const EntityDescriptor* issuer,
const saml2::NameID& nameid,
const set<string>* indexes,
time_t expires,
vector<string>& sessions
- );
+ ) {
+ return _logout(app, issuer, nameid, indexes, expires, sessions, 0);
+ }
bool matches(
- const Application& application,
- const xmltooling::HTTPRequest& request,
- const saml2md::EntityDescriptor* issuer,
+ const Application& app,
+ const HTTPRequest& request,
+ const EntityDescriptor* issuer,
const saml2::NameID& nameid,
const set<string>* indexes
);
#endif
- Session* find(const Application& application, const char* key, const char* client_addr=NULL, time_t* timeout=NULL);
- void remove(const Application& application, const char* key);
+ Session* find(const Application& app, const char* key, const char* client_addr=nullptr, time_t* timeout=nullptr);
+ void remove(const Application& app, const char* key);
void test();
- string active(const Application& application, const xmltooling::HTTPRequest& request) {
- pair<string,const char*> shib_cookie = application.getCookieNameProps("_shibsession_");
+ string active(const Application& app, const HTTPRequest& request) {
+ if (!m_inboundHeader.empty()) {
+ string session_id = request.getHeader(m_inboundHeader.c_str());
+ if (!session_id.empty())
+ return session_id;
+ }
+ pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
const char* session_id = request.getCookie(shib_cookie.first.c_str());
return (session_id ? session_id : "");
}
- Session* find(const Application& application, const HTTPRequest& request, const char* client_addr=NULL, time_t* timeout=NULL) {
- string id = active(application, request);
+ Session* find(const Application& app, const HTTPRequest& request, const char* client_addr=nullptr, time_t* timeout=nullptr) {
+ string id = active(app, request);
if (!id.empty())
- return find(application, id.c_str(), client_addr, timeout);
- return NULL;
- }
-
- Session* find(const Application& application, HTTPRequest& request, const char* client_addr=NULL, time_t* timeout=NULL) {
- string id = active(application, request);
- if (id.empty())
- return NULL;
- try {
- Session* session = find(application, id.c_str(), client_addr, timeout);
- if (session)
- return session;
- HTTPResponse* response = dynamic_cast<HTTPResponse*>(&request);
- if (response) {
- pair<string,const char*> shib_cookie = application.getCookieNameProps("_shibsession_");
- string exp(shib_cookie.second);
- exp += "; expires=Mon, 01 Jan 2001 00:00:00 GMT";
- response->setCookie(shib_cookie.first.c_str(), exp.c_str());
- }
+ return find(app, id.c_str(), client_addr, timeout);
+ return nullptr;
+ }
+
+ Session* find(const Application& app, HTTPRequest& request, const char* client_addr=nullptr, time_t* timeout=nullptr);
+ void remove(const Application& app, const HTTPRequest& request, HTTPResponse* response=nullptr);
+
+ unsigned long getCacheTimeout(const Application& app) {
+ // Computes offset for adjusting expiration of sessions.
+ // This can either be static, or dynamic based on the per-app session timeout or lifetime.
+ if (m_cacheTimeout)
+ return m_cacheTimeout;
+ pair<bool,unsigned int> timeout = pair<bool,unsigned int>(false, 3600);
+ const PropertySet* props = app.getPropertySet("Sessions");
+ if (props) {
+ timeout = props->getUnsignedInt("timeout");
+ if (!timeout.first)
+ timeout.second = 3600;
}
- catch (exception&) {
- HTTPResponse* response = dynamic_cast<HTTPResponse*>(&request);
- if (response) {
- pair<string,const char*> shib_cookie = application.getCookieNameProps("_shibsession_");
- string exp(shib_cookie.second);
- exp += "; expires=Mon, 01 Jan 2001 00:00:00 GMT";
- response->setCookie(shib_cookie.first.c_str(), exp.c_str());
- }
- throw;
+ // As long as one of the two factors is set, add them together.
+ if (timeout.second > 0 || m_cacheAllowance > 0)
+ return timeout.second + m_cacheAllowance;
+
+ // If timeouts are off, and there's no cache slop set, then use the lifetime.
+ timeout = pair<bool,unsigned int>(false, 28800);
+ if (props) {
+ timeout = props->getUnsignedInt("lifetime");
+ if (!timeout.first || timeout.second == 0)
+ timeout.second = 28800;
}
- return NULL;
+ return timeout.second;
}
- void remove(const Application& application, const HTTPRequest& request, HTTPResponse* response=NULL) {
- pair<string,const char*> shib_cookie = application.getCookieNameProps("_shibsession_");
- const char* session_id = request.getCookie(shib_cookie.first.c_str());
- if (session_id && *session_id) {
- if (response) {
- string exp(shib_cookie.second);
- exp += "; expires=Mon, 01 Jan 2001 00:00:00 GMT";
- response->setCookie(shib_cookie.first.c_str(), exp.c_str());
- }
- remove(application, session_id);
- }
- }
-
- void cleanup();
-
Category& m_log;
bool inproc;
- unsigned long m_cacheTimeout;
#ifndef SHIBSP_LITE
StorageService* m_storage;
StorageService* m_storage_lite;
private:
#ifndef SHIBSP_LITE
// maintain back-mappings of NameID/SessionIndex -> session key
- void insert(const char* key, time_t expires, const char* name, const char* index);
+ void insert(const char* key, time_t expires, const char* name, const char* index, short attempts=0);
+ vector<string>::size_type _logout(
+ const Application& app,
+ const EntityDescriptor* issuer,
+ const saml2::NameID& nameid,
+ const set<string>* indexes,
+ time_t expires,
+ vector<string>& sessions,
+ short attempts
+ );
bool stronglyMatches(const XMLCh* idp, const XMLCh* sp, const saml2::NameID& n1, const saml2::NameID& n2) const;
-#endif
+ LogoutEvent* newLogoutEvent(const Application& app) const;
+ bool m_cacheAssertions,m_reverseIndex;
+ set<xstring> m_excludedNames;
+#endif
const DOMElement* m_root; // Only valid during initialization
- unsigned long m_inprocTimeout;
+ unsigned long m_inprocTimeout,m_cacheTimeout,m_cacheAllowance;
+ string m_inboundHeader,m_outboundHeader;
// inproc means we buffer sessions in memory
- RWLock* m_lock;
+ scoped_ptr<RWLock> m_lock;
map<string,StoredSession*> m_hashtable;
// management of buffered sessions
void dormant(const char* key);
static void* cleanup_fn(void*);
+
bool shutdown;
- CondWait* shutdown_wait;
- Thread* cleanup_thread;
+ scoped_ptr<CondWait> shutdown_wait;
+ scoped_ptr<Thread> cleanup_thread;
};
class StoredSession : public virtual Session
{
public:
- StoredSession(SSCache* cache, DDF& obj) : m_obj(obj),
-#ifndef SHIBSP_LITE
- m_nameid(NULL),
-#endif
- m_cache(cache), m_expires(0), m_lastAccess(time(NULL)), m_lock(NULL) {
+ StoredSession(SSCache* cache, DDF& obj) : m_obj(obj), m_cache(cache), m_expires(0), m_lastAccess(time(nullptr)) {
+ // Check for old address format.
+ if (m_obj["client_addr"].isstring()) {
+ const char* saddr = m_obj["client_addr"].string();
+ DDF addrobj = m_obj["client_addr"].structure();
+ if (saddr && *saddr) {
+ addrobj.addmember(getAddressFamily(saddr)).string(saddr);
+ }
+ }
+
auto_ptr_XMLCh exp(m_obj["expires"].string());
if (exp.get()) {
DateTime iso(exp.get());
istringstream instr(nameid);
DOMDocument* doc = XMLToolingConfig::getConfig().getParser().parse(instr);
XercesJanitor<DOMDocument> janitor(doc);
- auto_ptr<saml2::NameID> n(saml2::NameIDBuilder::buildNameID());
- n->unmarshall(doc->getDocumentElement(), true);
+ m_nameid.reset(saml2::NameIDBuilder::buildNameID());
+ m_nameid->unmarshall(doc->getDocumentElement(), true);
janitor.release();
- m_nameid = n.release();
}
#endif
if (cache->inproc)
- m_lock = Mutex::create();
+ m_lock.reset(Mutex::create());
}
~StoredSession() {
- delete m_lock;
m_obj.destroy();
for_each(m_attributes.begin(), m_attributes.end(), xmltooling::cleanup<Attribute>());
-#ifndef SHIBSP_LITE
- delete m_nameid;
- for_each(m_tokens.begin(), m_tokens.end(), cleanup_pair<string,Assertion>());
-#endif
}
Lockable* lock() {
- if (m_lock)
+ if (m_lock.get())
m_lock->lock();
return this;
}
void unlock() {
- if (m_lock)
+ if (m_lock.get())
m_lock->unlock();
else
delete this;
return m_obj["application_id"].string();
}
const char* getClientAddress() const {
- return m_obj["client_addr"].string();
+ return m_obj["client_addr"].first().string();
+ }
+
+ const char* getClientAddress(const char* family) const {
+ if (family)
+ return m_obj["client_addr"][family].string();
+ return nullptr;
}
+ void setClientAddress(const char* client_addr) {
+ DDF obj = m_obj["client_addr"];
+ if (!obj.isstruct())
+ obj = m_obj.addmember("client_addr").structure();
+ obj.addmember(getAddressFamily(client_addr)).string(client_addr);
+ }
+
const char* getEntityID() const {
return m_obj["entity_id"].string();
}
}
#ifndef SHIBSP_LITE
const saml2::NameID* getNameID() const {
- return m_nameid;
+ return m_nameid.get();
}
#endif
const char* getSessionIndex() const {
DDF m_obj;
#ifndef SHIBSP_LITE
- saml2::NameID* m_nameid;
- mutable map<string,Assertion*> m_tokens;
+ scoped_ptr<saml2::NameID> m_nameid;
+ mutable map< string,boost::shared_ptr<Assertion> > m_tokens;
#endif
mutable vector<Attribute*> m_attributes;
mutable multimap<string,const Attribute*> m_attributeIndex;
SSCache* m_cache;
time_t m_expires,m_lastAccess;
- Mutex* m_lock;
+ scoped_ptr<Mutex> m_lock;
};
SessionCache* SHIBSP_DLLLOCAL StorageServiceCacheFactory(const DOMElement* const & e)
SPConfig::getConfig().SessionCacheManager.registerFactory(STORAGESERVICE_SESSION_CACHE, StorageServiceCacheFactory);
}
+Session::Session()
+{
+}
+
+Session::~Session()
+{
+}
+
void StoredSession::unmarshallAttributes() const
{
Attribute* attribute;
}
}
-void StoredSession::validate(const Application& application, const char* client_addr, time_t* timeout)
+void StoredSession::validate(const Application& app, const char* client_addr, time_t* timeout)
{
- time_t now = time(NULL);
+ time_t now = time(nullptr);
// Basic expiration?
if (m_expires > 0) {
// Address check?
if (client_addr) {
- if (m_cache->m_log.isDebugEnabled())
- m_cache->m_log.debug("comparing client address %s against %s", client_addr, getClientAddress());
- if (!XMLString::equals(getClientAddress(),client_addr)) {
- m_cache->m_log.warn("client address mismatch");
- throw RetryableProfileException(
- "Your IP address ($1) does not match the address recorded at the time the session was established.",
- params(1,client_addr)
- );
+ const char* saddr = getClientAddress(getAddressFamily(client_addr));
+ if (saddr && *saddr) {
+ if (!XMLString::equals(saddr, client_addr)) {
+ m_cache->m_log.warn("client address mismatch, client (%s), session (%s)", client_addr, saddr);
+ throw RetryableProfileException(
+ "Your IP address ($1) does not match the address recorded at the time the session was established.",
+ params(1, client_addr)
+ );
+ }
+ client_addr = nullptr; // clear out parameter as signal that session need not be updated below
+ }
+ else {
+ m_cache->m_log.info("session (%s) not yet bound to client address type, binding it to (%s)", getID(), client_addr);
}
}
- if (!timeout)
+ if (!timeout && !client_addr)
return;
if (!SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
in.structure();
in.addmember("key").string(getID());
in.addmember("version").integer(m_obj["version"].integer());
- if (*timeout) {
+ in.addmember("application_id").string(app.getId());
+ if (client_addr) // signals we need to bind an additional address to the session
+ in.addmember("client_addr").string(client_addr);
+ if (timeout && *timeout) {
// On 64-bit Windows, time_t doesn't fit in a long, so I'm using ISO timestamps.
#ifndef HAVE_GMTIME_R
- struct tm* ptime=gmtime(timeout);
+ struct tm* ptime = gmtime(timeout);
#else
struct tm res;
- struct tm* ptime=gmtime_r(timeout,&res);
+ struct tm* ptime = gmtime_r(timeout,&res);
#endif
char timebuf[32];
strftime(timebuf,32,"%Y-%m-%dT%H:%M:%SZ",ptime);
}
try {
- out=application.getServiceProvider().getListenerService()->send(in);
+ out=app.getServiceProvider().getListenerService()->send(in);
}
catch (...) {
out.destroy();
if (out.isstruct()) {
// We got an updated record back.
+ m_cache->m_log.debug("session updated, reconstituting it");
m_ids.clear();
for_each(m_attributes.begin(), m_attributes.end(), xmltooling::cleanup<Attribute>());
m_attributes.clear();
if (!m_cache->m_storage)
throw ConfigurationException("Session touch requires a StorageService.");
- // Do a versioned read.
+ // Versioned read, since we already have the data in hand if it's current.
string record;
time_t lastAccess;
int curver = m_obj["version"].integer();
throw RetryableProfileException("Your session has expired, and you must re-authenticate.");
}
- // Adjust for expiration to recover last access time and check timeout.
- lastAccess -= m_cache->m_cacheTimeout;
- if (*timeout > 0 && now - lastAccess >= *timeout) {
- m_cache->m_log.info("session timed out (ID: %s)", getID());
- throw RetryableProfileException("Your session has expired, and you must re-authenticate.");
- }
+ if (timeout) {
+ // Adjust for expiration to recover last access time and check timeout.
+ unsigned long cacheTimeout = m_cache->getCacheTimeout(app);
+ lastAccess -= cacheTimeout;
+ if (*timeout > 0 && now - lastAccess >= *timeout) {
+ m_cache->m_log.info("session timed out (ID: %s)", getID());
+ throw RetryableProfileException("Your session has expired, and you must re-authenticate.");
+ }
- // Update storage expiration, if possible.
- try {
- m_cache->m_storage->updateContext(getID(), now + m_cache->m_cacheTimeout);
- }
- catch (exception& ex) {
- m_cache->m_log.error("failed to update session expiration: %s", ex.what());
+ // Update storage expiration, if possible.
+ try {
+ m_cache->m_storage->updateContext(getID(), now + cacheTimeout);
+ }
+ catch (std::exception& ex) {
+ m_cache->m_log.error("failed to update session expiration: %s", ex.what());
+ }
}
if (ver > curver) {
m_obj.destroy();
m_obj = newobj;
}
+
+ // We may need to write back a new address into the session using a versioned update loop.
+ if (client_addr) {
+ short attempts = 0;
+ do {
+ const char* saddr = getClientAddress(getAddressFamily(client_addr));
+ if (saddr) {
+ // Something snuck in and bound the session to this address type, so it better match what we have.
+ if (!XMLString::equals(saddr, client_addr)) {
+ m_cache->m_log.warn("client address mismatch, client (%s), session (%s)", client_addr, saddr);
+ throw RetryableProfileException(
+ "Your IP address ($1) does not match the address recorded at the time the session was established.",
+ params(1, client_addr)
+ );
+ }
+ break; // No need to update.
+ }
+ else {
+ // Bind it into the session.
+ setClientAddress(client_addr);
+ }
+
+ // Tentatively increment the version.
+ m_obj["version"].integer(m_obj["version"].integer() + 1);
+
+ ostringstream str;
+ str << m_obj;
+ record = str.str();
+
+ try {
+ ver = m_cache->m_storage->updateText(getID(), "session", record.c_str(), 0, m_obj["version"].integer() - 1);
+ }
+ catch (std::exception&) {
+ m_obj["version"].integer(m_obj["version"].integer() - 1);
+ throw;
+ }
+
+ if (ver <= 0) {
+ m_obj["version"].integer(m_obj["version"].integer() - 1);
+ }
+
+ if (!ver) {
+ // Fatal problem with update.
+ m_cache->m_log.error("updateText failed on StorageService for session (%s)", getID());
+ throw IOException("Unable to update stored session.");
+ }
+ else if (ver < 0) {
+ // Out of sync.
+ if (++attempts > 10) {
+ m_cache->m_log.error("failed to bind client address, update attempts exceeded limit");
+ throw IOException("Unable to update stored session, exceeded retry limit.");
+ }
+ m_cache->m_log.warn("storage service indicates the record is out of sync, updating with a fresh copy...");
+ ver = m_cache->m_storage->readText(getID(), "session", &record, nullptr);
+ if (!ver) {
+ m_cache->m_log.error("readText failed on StorageService for session (%s)", getID());
+ throw IOException("Unable to read back stored session.");
+ }
+
+ // Reset object.
+ DDF newobj;
+ istringstream in(record);
+ in >> newobj;
+
+ m_ids.clear();
+ for_each(m_attributes.begin(), m_attributes.end(), xmltooling::cleanup<Attribute>());
+ m_attributes.clear();
+ m_attributeIndex.clear();
+ newobj["version"].integer(ver);
+ m_obj.destroy();
+ m_obj = newobj;
+
+ ver = -1;
+ }
+ } while (ver < 0); // negative indicates a sync issue so we retry
+ }
#else
throw ConfigurationException("Session touch requires a StorageService.");
#endif
m_cache->m_log.debug("adding attributes to session (%s)", getID());
int ver;
+ short attempts = 0;
do {
DDF attr;
DDF attrs = m_obj["attributes"];
try {
ver = m_cache->m_storage->updateText(getID(), "session", record.c_str(), 0, m_obj["version"].integer()-1);
}
- catch (exception&) {
+ catch (std::exception&) {
// Roll back modification to record.
m_obj["version"].integer(m_obj["version"].integer()-1);
vector<Attribute*>::size_type count = attributes.size();
}
else if (ver < 0) {
// Out of sync.
+ if (++attempts > 10) {
+ m_cache->m_log.error("failed to update stored session, update attempts exceeded limit");
+ throw IOException("Unable to update stored session, exceeded retry limit.");
+ }
m_cache->m_log.warn("storage service indicates the record is out of sync, updating with a fresh copy...");
- ver = m_cache->m_storage->readText(getID(), "session", &record, NULL);
+ ver = m_cache->m_storage->readText(getID(), "session", &record, nullptr);
if (!ver) {
m_cache->m_log.error("readText failed on StorageService for session (%s)", getID());
throw IOException("Unable to read back stored session.");
}
} while (ver < 0); // negative indicates a sync issue so we retry
- TransactionLog* xlog = SPConfig::getConfig().getServiceProvider()->getTransactionLog();
- Locker locker(xlog);
- xlog->log.infoStream() <<
- "Added the following attributes to session (ID: " <<
- getID() <<
- ") for (applicationId: " <<
- m_obj["application_id"].string() <<
- ") {";
- for (vector<Attribute*>::const_iterator a=attributes.begin(); a!=attributes.end(); ++a)
- xlog->log.infoStream() << "\t" << (*a)->getId() << " (" << (*a)->valueCount() << " values)";
- xlog->log.info("}");
-
// We own them now, so clean them up.
for_each(attributes.begin(), attributes.end(), xmltooling::cleanup<Attribute>());
}
if (!m_cache->m_storage)
throw ConfigurationException("Assertion retrieval requires a StorageService.");
- map<string,Assertion*>::const_iterator i = m_tokens.find(id);
- if (i!=m_tokens.end())
- return i->second;
+ map< string,boost::shared_ptr<Assertion> >::const_iterator i = m_tokens.find(id);
+ if (i != m_tokens.end())
+ return i->second.get();
string tokenstr;
- if (!m_cache->m_storage->readText(getID(), id, &tokenstr, NULL))
+ if (!m_cache->m_storage->readText(getID(), id, &tokenstr, nullptr))
throw FatalProfileException("Assertion not found in cache.");
// Parse and bind the document into an XMLObject.
istringstream instr(tokenstr);
DOMDocument* doc = XMLToolingConfig::getConfig().getParser().parse(instr);
XercesJanitor<DOMDocument> janitor(doc);
- auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
+ boost::shared_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
janitor.release();
-
- Assertion* token = dynamic_cast<Assertion*>(xmlObject.get());
+
+ boost::shared_ptr<Assertion> token = dynamic_pointer_cast<Assertion,XMLObject>(xmlObject);
if (!token)
throw FatalProfileException("Request for cached assertion returned an unknown object type.");
- // Transfer ownership to us.
- xmlObject.release();
- m_tokens[id]=token;
- return token;
+ m_tokens[id] = token;
+ return token.get();
}
void StoredSession::addAssertion(Assertion* assertion)
if (!m_cache->m_storage)
throw ConfigurationException("Session modification requires a StorageService.");
-
- if (!assertion)
+ else if (!assertion)
throw FatalProfileException("Unknown object type passed to session for storage.");
auto_ptr_char id(assertion->getID());
+ if (!id.get() || !*id.get())
+ throw IOException("Assertion did not carry an ID.");
+ else if (strlen(id.get()) > m_cache->m_storage->getCapabilities().getKeySize())
+ throw IOException("Assertion ID ($1) exceeds allowable storage key size.", params(1, id.get()));
m_cache->m_log.debug("adding assertion (%s) to session (%s)", id.get(), getID());
time_t exp;
- if (!m_cache->m_storage->readText(getID(), "session", NULL, &exp))
+ if (!m_cache->m_storage->readText(getID(), "session", nullptr, &exp))
throw IOException("Unable to load expiration time for stored session.");
ostringstream tokenstr;
throw IOException("Attempted to insert duplicate assertion ID into session.");
int ver;
+ short attempts = 0;
do {
- DDF token = DDF(NULL).string(id.get());
+ DDF token = DDF(nullptr).string(id.get());
m_obj["assertions"].add(token);
// Tentatively increment the version.
- m_obj["version"].integer(m_obj["version"].integer()+1);
+ m_obj["version"].integer(m_obj["version"].integer() + 1);
ostringstream str;
str << m_obj;
try {
ver = m_cache->m_storage->updateText(getID(), "session", record.c_str(), 0, m_obj["version"].integer()-1);
}
- catch (exception&) {
+ catch (std::exception&) {
token.destroy();
- m_obj["version"].integer(m_obj["version"].integer()-1);
+ m_obj["version"].integer(m_obj["version"].integer() - 1);
m_cache->m_storage->deleteText(getID(), id.get());
throw;
}
}
else if (ver < 0) {
// Out of sync.
+ if (++attempts > 10) {
+ m_cache->m_log.error("failed to update stored session, update attempts exceeded limit");
+ throw IOException("Unable to update stored session, exceeded retry limit.");
+ }
m_cache->m_log.warn("storage service indicates the record is out of sync, updating with a fresh copy...");
- ver = m_cache->m_storage->readText(getID(), "session", &record, NULL);
+ ver = m_cache->m_storage->readText(getID(), "session", &record, nullptr);
if (!ver) {
m_cache->m_log.error("readText failed on StorageService for session (%s)", getID());
m_cache->m_storage->deleteText(getID(), id.get());
m_ids.clear();
delete assertion;
+}
- TransactionLog* xlog = SPConfig::getConfig().getServiceProvider()->getTransactionLog();
- Locker locker(xlog);
- xlog->log.info(
- "Added assertion (ID: %s) to session for (applicationId: %s) with (ID: %s)",
- id.get(), m_obj["application_id"].string(), getID()
- );
+#endif
+
+SessionCache::SessionCache()
+{
+}
+
+SessionCache::~SessionCache()
+{
+}
+
+#ifndef SHIBSP_LITE
+
+void SessionCache::insert(
+ string& sessionID,
+ const Application& app,
+ const HTTPRequest& httpRequest,
+ HTTPResponse& httpResponse,
+ time_t expires,
+ const EntityDescriptor* issuer,
+ const XMLCh* protocol,
+ const saml2::NameID* nameid,
+ const XMLCh* authn_instant,
+ const XMLCh* session_index,
+ const XMLCh* authncontext_class,
+ const XMLCh* authncontext_decl,
+ const vector<const Assertion*>* tokens,
+ const vector<Attribute*>* attributes
+ ) {
+ return insert(app, httpRequest, httpResponse, expires, issuer, protocol, nameid,
+ authn_instant, session_index, authncontext_class, authncontext_decl, tokens, attributes);
}
#endif
+SessionCacheEx::SessionCacheEx()
+{
+}
+
+SessionCacheEx::~SessionCacheEx()
+{
+}
+
SSCache::SSCache(const DOMElement* e)
- : m_log(Category::getInstance(SHIBSP_LOGCAT".SessionCache")), inproc(true), m_cacheTimeout(28800),
+ : m_log(Category::getInstance(SHIBSP_LOGCAT".SessionCache")), inproc(true),
#ifndef SHIBSP_LITE
- m_storage(NULL), m_storage_lite(NULL),
+ m_storage(nullptr), m_storage_lite(nullptr), m_cacheAssertions(true), m_reverseIndex(true),
#endif
- m_root(e), m_inprocTimeout(900), m_lock(NULL), shutdown(false), shutdown_wait(NULL), cleanup_thread(NULL)
+ m_root(e), m_inprocTimeout(900), m_cacheTimeout(0), m_cacheAllowance(0), shutdown(false)
{
- static const XMLCh cacheTimeout[] = UNICODE_LITERAL_12(c,a,c,h,e,T,i,m,e,o,u,t);
- static const XMLCh inprocTimeout[] = UNICODE_LITERAL_13(i,n,p,r,o,c,T,i,m,e,o,u,t);
- static const XMLCh _StorageService[] = UNICODE_LITERAL_14(S,t,o,r,a,g,e,S,e,r,v,i,c,e);
- static const XMLCh _StorageServiceLite[] = UNICODE_LITERAL_18(S,t,o,r,a,g,e,S,e,r,v,i,c,e,L,i,t,e);
-
SPConfig& conf = SPConfig::getConfig();
inproc = conf.isEnabled(SPConfig::InProcess);
- if (e) {
- const XMLCh* tag=e->getAttributeNS(NULL,cacheTimeout);
- if (tag && *tag) {
- m_cacheTimeout = XMLString::parseInt(tag);
- if (!m_cacheTimeout)
- m_cacheTimeout=28800;
- }
- if (inproc) {
- const XMLCh* tag=e->getAttributeNS(NULL,inprocTimeout);
- if (tag && *tag) {
- m_inprocTimeout = XMLString::parseInt(tag);
- if (!m_inprocTimeout)
- m_inprocTimeout=900;
- }
- }
+ static const XMLCh cacheAllowance[] = UNICODE_LITERAL_14(c,a,c,h,e,A,l,l,o,w,a,n,c,e);
+ static const XMLCh cacheAssertions[] = UNICODE_LITERAL_15(c,a,c,h,e,A,s,s,e,r,t,i,o,n,s);
+ static const XMLCh cacheTimeout[] = UNICODE_LITERAL_12(c,a,c,h,e,T,i,m,e,o,u,t);
+ static const XMLCh excludeReverseIndex[] = UNICODE_LITERAL_19(e,x,c,l,u,d,e,R,e,v,e,r,s,e,I,n,d,e,x);
+ static const XMLCh inprocTimeout[] = UNICODE_LITERAL_13(i,n,p,r,o,c,T,i,m,e,o,u,t);
+ static const XMLCh inboundHeader[] = UNICODE_LITERAL_13(i,n,b,o,u,n,d,H,e,a,d,e,r);
+ static const XMLCh maintainReverseIndex[] = UNICODE_LITERAL_20(m,a,i,n,t,a,i,n,R,e,v,e,r,s,e,I,n,d,e,x);
+ static const XMLCh outboundHeader[] = UNICODE_LITERAL_14(o,u,t,b,o,u,n,d,H,e,a,d,e,r);
+ static const XMLCh _StorageService[] = UNICODE_LITERAL_14(S,t,o,r,a,g,e,S,e,r,v,i,c,e);
+ static const XMLCh _StorageServiceLite[] = UNICODE_LITERAL_18(S,t,o,r,a,g,e,S,e,r,v,i,c,e,L,i,t,e);
+
+ if (e && e->hasAttributeNS(nullptr, cacheTimeout)) {
+ m_log.warn("cacheTimeout property is deprecated in favor of cacheAllowance (see documentation)");
+ m_cacheTimeout = XMLHelper::getAttrInt(e, 0, cacheTimeout);
}
+ m_cacheAllowance = XMLHelper::getAttrInt(e, 0, cacheAllowance);
+ if (inproc)
+ m_inprocTimeout = XMLHelper::getAttrInt(e, 900, inprocTimeout);
+ m_inboundHeader = XMLHelper::getAttrString(e, nullptr, inboundHeader);
+ if (!m_inboundHeader.empty())
+ RemotedHandler::addRemotedHeader(m_inboundHeader.c_str());
+ m_outboundHeader = XMLHelper::getAttrString(e, nullptr, outboundHeader);
#ifndef SHIBSP_LITE
if (conf.isEnabled(SPConfig::OutOfProcess)) {
- const XMLCh* tag = e ? e->getAttributeNS(NULL,_StorageService) : NULL;
- if (tag && *tag) {
- auto_ptr_char ssid(tag);
- m_storage = conf.getServiceProvider()->getStorageService(ssid.get());
+ string ssid(XMLHelper::getAttrString(e, nullptr, _StorageService));
+ if (!ssid.empty()) {
+ m_storage = conf.getServiceProvider()->getStorageService(ssid.c_str());
if (m_storage)
- m_log.info("bound to StorageService (%s)", ssid.get());
+ m_log.info("bound to StorageService (%s)", ssid.c_str());
+ else
+ throw ConfigurationException("SessionCache unable to locate StorageService ($1), check configuration.", params(1, ssid.c_str()));
+ }
+ if (!m_storage) {
+ m_storage = conf.getServiceProvider()->getStorageService(nullptr);
+ if (m_storage)
+ m_log.info("bound to arbitrary StorageService");
+ else
+ throw ConfigurationException("SessionCache unable to locate StorageService, check configuration.");
}
- if (!m_storage)
- throw ConfigurationException("SessionCache unable to locate StorageService, check configuration.");
- tag = e ? e->getAttributeNS(NULL,_StorageServiceLite) : NULL;
- if (tag && *tag) {
- auto_ptr_char ssid(tag);
- m_storage_lite = conf.getServiceProvider()->getStorageService(ssid.get());
+ ssid = XMLHelper::getAttrString(e, nullptr, _StorageServiceLite);
+ if (!ssid.empty()) {
+ m_storage_lite = conf.getServiceProvider()->getStorageService(ssid.c_str());
if (m_storage_lite)
- m_log.info("bound to StorageServiceLite (%s)", ssid.get());
+ m_log.info("bound to 'lite' StorageService (%s)", ssid.c_str());
+ else
+ throw ConfigurationException("SessionCache unable to locate 'lite' StorageService ($1), check configuration.", params(1, ssid.c_str()));
}
if (!m_storage_lite) {
- m_log.info("No StorageServiceLite specified. Using standard StorageService.");
+ m_log.info("StorageService for 'lite' use not set, using standard StorageService");
m_storage_lite = m_storage;
}
+
+ m_cacheAssertions = XMLHelper::getAttrBool(e, true, cacheAssertions);
+ m_reverseIndex = XMLHelper::getAttrBool(e, true, maintainReverseIndex);
+ const XMLCh* excludedNames = e ? e->getAttributeNS(nullptr, excludeReverseIndex) : nullptr;
+ if (excludedNames && *excludedNames) {
+ XMLStringTokenizer toks(excludedNames);
+ while (toks.hasMoreTokens())
+ m_excludedNames.insert(toks.nextToken());
+ }
}
#endif
ListenerService* listener=conf.getServiceProvider()->getListenerService(false);
- if (inproc ) {
+ if (inproc) {
if (!conf.isEnabled(SPConfig::OutOfProcess) && !listener)
throw ConfigurationException("SessionCache requires a ListenerService, but none available.");
- m_lock = RWLock::create();
- shutdown_wait = CondWait::create();
- cleanup_thread = Thread::create(&cleanup_fn, (void*)this);
+ m_lock.reset(RWLock::create());
+ shutdown_wait.reset(CondWait::create());
+ cleanup_thread.reset(Thread::create(&cleanup_fn, this));
}
#ifndef SHIBSP_LITE
else {
if (inproc) {
// Shut down the cleanup thread and let it know...
shutdown = true;
- shutdown_wait->signal();
- cleanup_thread->join(NULL);
+ if (shutdown_wait.get())
+ shutdown_wait->signal();
+ if (cleanup_thread.get())
+ cleanup_thread->join(nullptr);
for_each(m_hashtable.begin(),m_hashtable.end(),cleanup_pair<string,StoredSession>());
- delete m_lock;
- delete shutdown_wait;
}
#ifndef SHIBSP_LITE
else {
void SSCache::test()
{
- auto_ptr_char temp(SAMLConfig::getConfig().generateIdentifier());
- m_storage->createString("SessionCacheTest", temp.get(), "Test", time(NULL) + 60);
+ XMLCh* wide = SAMLConfig::getConfig().generateIdentifier();
+ auto_ptr_char temp(wide);
+ XMLString::release(&wide);
+ m_storage->createString("SessionCacheTest", temp.get(), "Test", time(nullptr) + 60);
m_storage->deleteString("SessionCacheTest", temp.get());
}
-void SSCache::insert(const char* key, time_t expires, const char* name, const char* index)
+void SSCache::insert(const char* key, time_t expires, const char* name, const char* index, short attempts)
{
+ if (attempts > 10)
+ throw IOException("Exceeded retry limit.");
+
string dup;
- if (strlen(name) > 255) {
- dup = string(name).substr(0,255);
+ unsigned int storageLimit = m_storage_lite->getCapabilities().getKeySize();
+ if (strlen(name) > storageLimit) {
+ dup = string(name).substr(0, storageLimit);
name = dup.c_str();
}
}
else {
// New record.
- obj = DDF(NULL).structure();
+ obj = DDF(nullptr).structure();
}
if (!index || !*index)
DDF sessions = obj.addmember(index);
if (!sessions.islist())
sessions.list();
- DDF session = DDF(NULL).string(key);
+ DDF session = DDF(nullptr).string(key);
sessions.add(session);
// Remarshall the record.
ver = m_storage_lite->updateText("NameID", name, out.str().c_str(), max(expires, recordexp), ver);
if (ver <= 0) {
// Out of sync, or went missing, so retry.
- return insert(key, expires, name, index);
+ return insert(key, expires, name, index, attempts + 1);
}
}
else if (!m_storage_lite->createText("NameID", name, out.str().c_str(), expires)) {
// Hit a dup, so just retry, hopefully hitting the other branch.
- return insert(key, expires, name, index);
+ return insert(key, expires, name, index, attempts + 1);
}
}
void SSCache::insert(
- const Application& application,
+ string& sessionID,
+ const Application& app,
const HTTPRequest& httpRequest,
HTTPResponse& httpResponse,
time_t expires,
m_log.debug("creating new session");
- time_t now = time(NULL);
+ time_t now = time(nullptr);
auto_ptr_char index(session_index);
- auto_ptr_char entity_id(issuer ? issuer->getEntityID() : NULL);
- auto_ptr_char name(nameid ? nameid->getName() : NULL);
+ auto_ptr_char entity_id(issuer ? issuer->getEntityID() : nullptr);
+ auto_ptr_char name(nameid ? nameid->getName() : nullptr);
- if (nameid) {
+ if (name.get() && *name.get()) {
// Check for a pending logout.
- if (strlen(name.get()) > 255)
- const_cast<char*>(name.get())[255] = 0;
+ unsigned int storageLimit = m_storage_lite->getCapabilities().getKeySize();
+ string namebuf = name.get();
+ if (namebuf.length() > storageLimit)
+ namebuf = namebuf.substr(0, storageLimit);
string pending;
- int ver = m_storage_lite->readText("Logout", name.get(), &pending);
+ int ver = m_storage_lite->readText("Logout", namebuf.c_str(), &pending);
if (ver > 0) {
DDF pendobj;
DDFJanitor jpend(pendobj);
istringstream pstr(pending);
pstr >> pendobj;
// IdP.SP.index contains logout expiration, if any.
- DDF deadmenwalking = pendobj[issuer ? entity_id.get() : "_shibnull"][application.getRelyingParty(issuer)->getString("entityID").second];
+ DDF deadmenwalking = pendobj[issuer ? entity_id.get() : "_shibnull"][app.getRelyingParty(issuer)->getString("entityID").second];
const char* logexpstr = deadmenwalking[session_index ? index.get() : "_shibnull"].string();
- if (!logexpstr && session_index) // we tried an exact session match, now try for NULL
+ if (!logexpstr && session_index) // we tried an exact session match, now try for nullptr
logexpstr = deadmenwalking["_shibnull"].string();
if (logexpstr) {
auto_ptr_XMLCh dt(logexpstr);
}
}
- auto_ptr_char key(SAMLConfig::getConfig().generateIdentifier());
+ XMLCh* widekey = SAMLConfig::getConfig().generateIdentifier();
+ auto_ptr_char key(widekey);
+ XMLString::release(&widekey);
// Store session properties in DDF.
DDF obj = DDF(key.get()).structure();
DDFJanitor entryobj(obj);
obj.addmember("version").integer(1);
- obj.addmember("application_id").string(application.getId());
+ obj.addmember("application_id").string(app.getId());
// On 64-bit Windows, time_t doesn't fit in a long, so I'm using ISO timestamps.
#ifndef HAVE_GMTIME_R
strftime(timebuf,32,"%Y-%m-%dT%H:%M:%SZ",ptime);
obj.addmember("expires").string(timebuf);
- obj.addmember("client_addr").string(httpRequest.getRemoteAddr().c_str());
+ string caddr(httpRequest.getRemoteAddr());
+ if (!caddr.empty()) {
+ DDF addrobj = obj.addmember("client_addr").structure();
+ addrobj.addmember(getAddressFamily(caddr.c_str())).string(caddr.c_str());
+ }
+
if (issuer)
obj.addmember("entity_id").string(entity_id.get());
if (protocol) {
obj.addmember("nameid").string(namestr.str().c_str());
}
- if (tokens) {
+ if (tokens && m_cacheAssertions) {
obj.addmember("assertions").list();
for (vector<const Assertion*>::const_iterator t = tokens->begin(); t!=tokens->end(); ++t) {
auto_ptr_char tokenid((*t)->getID());
- DDF tokid = DDF(NULL).string(tokenid.get());
+ DDF tokid = DDF(nullptr).string(tokenid.get());
obj["assertions"].add(tokid);
}
}
record << obj;
m_log.debug("storing new session...");
- if (!m_storage->createText(key.get(), "session", record.str().c_str(), now + m_cacheTimeout))
+ unsigned long cacheTimeout = getCacheTimeout(app);
+ if (!m_storage->createText(key.get(), "session", record.str().c_str(), now + cacheTimeout))
throw FatalProfileException("Attempted to create a session with a duplicate key.");
// Store the reverse mapping for logout.
- try {
- if (nameid)
+ if (nameid && m_reverseIndex && (m_excludedNames.size() == 0 || m_excludedNames.count(nameid->getName()) == 0)) {
+ try {
insert(key.get(), expires, name.get(), index.get());
- }
- catch (exception& ex) {
- m_log.error("error storing back mapping of NameID for logout: %s", ex.what());
+ }
+ catch (std::exception& ex) {
+ m_log.error("error storing back mapping of NameID for logout: %s", ex.what());
+ }
}
- if (tokens) {
+ if (tokens && m_cacheAssertions) {
try {
for (vector<const Assertion*>::const_iterator t = tokens->begin(); t!=tokens->end(); ++t) {
ostringstream tokenstr;
tokenstr << *(*t);
auto_ptr_char tokenid((*t)->getID());
- if (!m_storage->createText(key.get(), tokenid.get(), tokenstr.str().c_str(), now + m_cacheTimeout))
- throw IOException("duplicate assertion ID ($1)", params(1, tokenid.get()));
+ if (!tokenid.get() || !*tokenid.get() || strlen(tokenid.get()) > m_storage->getCapabilities().getKeySize())
+ throw IOException("Assertion ID is missing or exceeds key size of storage service.");
+ else if (!m_storage->createText(key.get(), tokenid.get(), tokenstr.str().c_str(), now + cacheTimeout))
+ throw IOException("Duplicate assertion ID ($1)", params(1, tokenid.get()));
}
}
- catch (exception& ex) {
+ catch (std::exception& ex) {
m_log.error("error storing assertion along with session: %s", ex.what());
}
}
m_log.info("new session created: ID (%s) IdP (%s) Protocol(%s) Address (%s)",
key.get(), pid ? pid : "none", prot ? prot : "none", httpRequest.getRemoteAddr().c_str());
- // Transaction Logging
- TransactionLog* xlog = application.getServiceProvider().getTransactionLog();
- Locker locker(xlog);
- xlog->log.infoStream() <<
- "New session (ID: " <<
- key.get() <<
- ") with (applicationId: " <<
- application.getId() <<
- ") for principal from (IdP: " <<
- (pid ? pid : "none") <<
- ") at (ClientAddress: " <<
- httpRequest.getRemoteAddr() <<
- ") with (NameIdentifier: " <<
- (nameid ? name.get() : "none") <<
- ") using (Protocol: " <<
- (prot ? prot : "none") <<
- ") from (AssertionID: " <<
- (tokens ? obj["assertions"].first().string() : "none") <<
- ")";
-
- if (attributes) {
- xlog->log.infoStream() <<
- "Cached the following attributes with session (ID: " <<
- key.get() <<
- ") for (applicationId: " <<
- application.getId() <<
- ") {";
- for (vector<Attribute*>::const_iterator a=attributes->begin(); a!=attributes->end(); ++a)
- xlog->log.infoStream() << "\t" << (*a)->getId() << " (" << (*a)->valueCount() << " values)";
- xlog->log.info("}");
- }
+ if (!m_outboundHeader.empty())
+ httpResponse.setResponseHeader(m_outboundHeader.c_str(), key.get());
time_t cookieLifetime = 0;
- pair<string,const char*> shib_cookie = application.getCookieNameProps("_shibsession_", &cookieLifetime);
+ pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_", &cookieLifetime);
string k(key.get());
k += shib_cookie.second;
}
httpResponse.setCookie(shib_cookie.first.c_str(), k.c_str());
+ sessionID = key.get();
}
bool SSCache::matches(
- const Application& application,
+ const Application& app,
const xmltooling::HTTPRequest& request,
const saml2md::EntityDescriptor* issuer,
const saml2::NameID& nameid,
const set<string>* indexes
)
{
- auto_ptr_char entityID(issuer ? issuer->getEntityID() : NULL);
+ auto_ptr_char entityID(issuer ? issuer->getEntityID() : nullptr);
try {
- Session* session = find(application, request);
+ Session* session = find(app, request);
if (session) {
Locker locker(session, false);
if (XMLString::equals(session->getEntityID(), entityID.get()) && session->getNameID() &&
- stronglyMatches(issuer->getEntityID(), application.getRelyingParty(issuer)->getXMLString("entityID").second, nameid, *session->getNameID())) {
+ stronglyMatches(issuer->getEntityID(), app.getRelyingParty(issuer)->getXMLString("entityID").second, nameid, *session->getNameID())) {
return (!indexes || indexes->empty() || (session->getSessionIndex() ? (indexes->count(session->getSessionIndex())>0) : false));
}
}
}
- catch (exception& ex) {
+ catch (std::exception& ex) {
m_log.error("error while matching session: %s", ex.what());
}
return false;
}
-vector<string>::size_type SSCache::logout(
- const Application& application,
+vector<string>::size_type SSCache::_logout(
+ const Application& app,
const saml2md::EntityDescriptor* issuer,
const saml2::NameID& nameid,
const set<string>* indexes,
time_t expires,
- vector<string>& sessionsKilled
+ vector<string>& sessionsKilled,
+ short attempts
)
{
#ifdef _DEBUG
#endif
if (!m_storage)
- throw ConfigurationException("SessionCache insertion requires a StorageService.");
+ throw ConfigurationException("SessionCache logout requires a StorageService.");
+ else if (attempts > 10)
+ throw IOException("Exceeded retry limit.");
- auto_ptr_char entityID(issuer ? issuer->getEntityID() : NULL);
+ auto_ptr_char entityID(issuer ? issuer->getEntityID() : nullptr);
auto_ptr_char name(nameid.getName());
m_log.info("request to logout sessions from (%s) for (%s)", entityID.get() ? entityID.get() : "unknown", name.get());
- if (strlen(name.get()) > 255)
- const_cast<char*>(name.get())[255] = 0;
+ unsigned int storageLimit = m_storage_lite->getCapabilities().getKeySize();
+ if (strlen(name.get()) > storageLimit)
+ const_cast<char*>(name.get())[storageLimit] = 0;
DDF obj;
DDFJanitor jobj(obj);
lin >> obj;
}
else {
- obj = DDF(NULL).structure();
+ obj = DDF(nullptr).structure();
}
// Structure is keyed by the IdP and SP, with a member per session index containing the expiration.
- DDF root = obj.addmember(issuer ? entityID.get() : "_shibnull").addmember(application.getRelyingParty(issuer)->getString("entityID").second);
+ DDF root = obj.addmember(issuer ? entityID.get() : "_shibnull").addmember(app.getRelyingParty(issuer)->getString("entityID").second);
if (indexes) {
for (set<string>::const_iterator x = indexes->begin(); x!=indexes->end(); ++x)
root.addmember(x->c_str()).string(timebuf);
ver = m_storage_lite->updateText("Logout", name.get(), lout.str().c_str(), max(expires, oldexp), ver);
if (ver <= 0) {
// Out of sync, or went missing, so retry.
- return logout(application, issuer, nameid, indexes, expires, sessionsKilled);
+ return _logout(app, issuer, nameid, indexes, expires, sessionsKilled, attempts + 1);
}
}
else if (!m_storage_lite->createText("Logout", name.get(), lout.str().c_str(), expires)) {
// Hit a dup, so just retry, hopefully hitting the other branch.
- return logout(application, issuer, nameid, indexes, expires, sessionsKilled);
+ return _logout(app, issuer, nameid, indexes, expires, sessionsKilled, attempts + 1);
}
obj.destroy();
record.erase();
}
+ if (!m_reverseIndex) {
+ m_log.error("cannot support logout because maintainReverseIndex property is turned off");
+ throw ConfigurationException("Logout is unsupported by the session cache configuration.");
+ }
+
// Read in potentially matching sessions.
ver = m_storage_lite->readText("NameID", name.get(), &record);
if (ver == 0) {
key = sessions.first();
while (key.isstring()) {
// Fetch the session for comparison.
- Session* session = NULL;
+ Session* session = nullptr;
try {
- session = find(application, key.string());
+ session = find(app, key.string());
}
- catch (exception& ex) {
+ catch (std::exception& ex) {
m_log.error("error locating session (%s): %s", key.string(), ex.what());
}
// Same issuer?
if (XMLString::equals(session->getEntityID(), entityID.get())) {
// Same NameID?
- if (stronglyMatches(issuer->getEntityID(), application.getRelyingParty(issuer)->getXMLString("entityID").second, nameid, *session->getNameID())) {
+ if (stronglyMatches(issuer->getEntityID(), app.getRelyingParty(issuer)->getXMLString("entityID").second, nameid, *session->getNameID())) {
sessionsKilled.push_back(key.string());
key.destroy();
}
}
}
else {
- // Session's gone, so...
- sessionsKilled.push_back(key.string());
- key.destroy();
+ // Session may already be gone, or it may be associated with a different application.
+ // To be conservative, we'll leave it alone. This isn't really increasing our security
+ // risk, because if we can't lookup the session, it's unlikely the calling logout code
+ // can either, so there's no chance of removing the session anyway.
+ m_log.warn("session (%s) not accessible for logout, may be gone, or associated with a different application", key.string());
}
key = sessions.next();
}
m_log.warn("logout mapping record changed behind us, leaving it alone");
}
}
- catch (exception& ex) {
+ catch (std::exception& ex) {
m_log.error("error updating logout mapping record: %s", ex.what());
}
return true;
}
+LogoutEvent* SSCache::newLogoutEvent(const Application& app) const
+{
+ if (!SPConfig::getConfig().isEnabled(SPConfig::Logging))
+ return nullptr;
+ try {
+ auto_ptr<TransactionLog::Event> event(SPConfig::getConfig().EventManager.newPlugin(LOGOUT_EVENT, nullptr));
+ LogoutEvent* logout_event = dynamic_cast<LogoutEvent*>(event.get());
+ if (logout_event) {
+ logout_event->m_app = &app;
+ event.release();
+ return logout_event;
+ }
+ else {
+ m_log.warn("unable to audit event, log event object was of an incorrect type");
+ }
+ }
+ catch (std::exception& ex) {
+ m_log.warn("exception auditing event: %s", ex.what());
+ }
+ return nullptr;
+}
+
#endif
-Session* SSCache::find(const Application& application, const char* key, const char* client_addr, time_t* timeout)
+Session* SSCache::find(const Application& app, const char* key, const char* client_addr, time_t* timeout)
{
#ifdef _DEBUG
xmltooling::NDC ndc("find");
#endif
- StoredSession* session=NULL;
+ StoredSession* session=nullptr;
if (inproc) {
m_log.debug("searching local cache for session (%s)", key);
DDFJanitor jin(in);
in.structure();
in.addmember("key").string(key);
- in.addmember("application_id").string(application.getId());
+ in.addmember("application_id").string(app.getId());
if (timeout && *timeout) {
// On 64-bit Windows, time_t doesn't fit in a long, so I'm using ISO timestamps.
#ifndef HAVE_GMTIME_R
}
try {
- out=application.getServiceProvider().getListenerService()->send(in);
+ out=app.getServiceProvider().getListenerService()->send(in);
if (!out.isstruct()) {
out.destroy();
m_log.debug("session not found in remote cache");
- return NULL;
+ return nullptr;
}
// Wrap the results in a local entry and save it.
session = new StoredSession(this, out);
// The remote end has handled timeout issues, we handle address and expiration checks.
- timeout = NULL;
+ timeout = nullptr;
}
catch (...) {
out.destroy();
string record;
int ver = m_storage->readText(key, "session", &record, &lastAccess);
if (!ver)
- return NULL;
+ return nullptr;
m_log.debug("reconstituting session and checking validity");
istringstream in(record);
in >> obj;
- lastAccess -= m_cacheTimeout; // adjusts it back to the last time the record's timestamp was touched
- time_t now=time(NULL);
+ unsigned long cacheTimeout = getCacheTimeout(app);
+ lastAccess -= cacheTimeout; // adjusts it back to the last time the record's timestamp was touched
+ time_t now=time(nullptr);
if (timeout && *timeout > 0 && now - lastAccess >= *timeout) {
m_log.info("session timed out (ID: %s)", key);
- remove(application, key);
+ scoped_ptr<LogoutEvent> logout_event(newLogoutEvent(app));
+ if (logout_event.get()) {
+ logout_event->m_logoutType = LogoutEvent::LOGOUT_EVENT_INVALID;
+ logout_event->m_sessions.push_back(key);
+ app.getServiceProvider().getTransactionLog()->write(*logout_event);
+ }
+ remove(app, key);
const char* eid = obj["entity_id"].string();
if (!eid) {
obj.destroy();
if (timeout) {
// Update storage expiration, if possible.
try {
- m_storage->updateContext(key, now + m_cacheTimeout);
+ m_storage->updateContext(key, now + cacheTimeout);
}
- catch (exception& ex) {
+ catch (std::exception& ex) {
m_log.error("failed to update session expiration: %s", ex.what());
}
}
// Wrap the results in a local entry and save it.
session = new StoredSession(this, obj);
// We handled timeout issues, still need to handle address and expiration checks.
- timeout = NULL;
+ timeout = nullptr;
#else
throw ConfigurationException("SessionCache search requires a StorageService.");
#endif
}
}
- if (!XMLString::equals(session->getApplicationID(), application.getId())) {
- m_log.error("an application (%s) tried to access another application's session", application.getId());
+ if (!XMLString::equals(session->getApplicationID(), app.getId())) {
+ m_log.warn("an application (%s) tried to access another application's session", app.getId());
session->unlock();
- return NULL;
+ return nullptr;
}
// Verify currency and update the timestamp if indicated by caller.
try {
- session->validate(application, client_addr, timeout);
+ session->validate(app, client_addr, timeout);
}
catch (...) {
+#ifndef SHIBSP_LITE
+ scoped_ptr<LogoutEvent> logout_event(newLogoutEvent(app));
+ if (logout_event.get()) {
+ logout_event->m_logoutType = LogoutEvent::LOGOUT_EVENT_INVALID;
+ logout_event->m_session = session;
+ logout_event->m_sessions.push_back(session->getID());
+ app.getServiceProvider().getTransactionLog()->write(*logout_event);
+ }
+#endif
session->unlock();
- remove(application, key);
+ remove(app, key);
throw;
}
return session;
}
-void SSCache::remove(const Application& application, const char* key)
+Session* SSCache::find(const Application& app, HTTPRequest& request, const char* client_addr, time_t* timeout)
+{
+ string id = active(app, request);
+ if (id.empty())
+ return nullptr;
+ try {
+ Session* session = find(app, id.c_str(), client_addr, timeout);
+ if (session)
+ return session;
+ HTTPResponse* response = dynamic_cast<HTTPResponse*>(&request);
+ if (response) {
+ if (!m_outboundHeader.empty())
+ response->setResponseHeader(m_outboundHeader.c_str(), nullptr);
+ pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
+ string exp(shib_cookie.second);
+ exp += "; expires=Mon, 01 Jan 2001 00:00:00 GMT";
+ response->setCookie(shib_cookie.first.c_str(), exp.c_str());
+ }
+ }
+ catch (std::exception&) {
+ HTTPResponse* response = dynamic_cast<HTTPResponse*>(&request);
+ if (response) {
+ if (!m_outboundHeader.empty())
+ response->setResponseHeader(m_outboundHeader.c_str(), nullptr);
+ pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
+ string exp(shib_cookie.second);
+ exp += "; expires=Mon, 01 Jan 2001 00:00:00 GMT";
+ response->setCookie(shib_cookie.first.c_str(), exp.c_str());
+ }
+ throw;
+ }
+ return nullptr;
+}
+
+void SSCache::remove(const Application& app, const HTTPRequest& request, HTTPResponse* response)
+{
+ string session_id;
+ pair<string,const char*> shib_cookie = app.getCookieNameProps("_shibsession_");
+
+ if (!m_inboundHeader.empty())
+ session_id = request.getHeader(m_inboundHeader.c_str());
+ if (session_id.empty()) {
+ const char* c = request.getCookie(shib_cookie.first.c_str());
+ if (c && *c)
+ session_id = c;
+ }
+
+ if (!session_id.empty()) {
+ if (response) {
+ if (!m_outboundHeader.empty())
+ response->setResponseHeader(m_outboundHeader.c_str(), nullptr);
+ string exp(shib_cookie.second);
+ exp += "; expires=Mon, 01 Jan 2001 00:00:00 GMT";
+ response->setCookie(shib_cookie.first.c_str(), exp.c_str());
+ }
+ remove(app, session_id.c_str());
+ }
+}
+
+void SSCache::remove(const Application& app, const char* key)
{
#ifdef _DEBUG
xmltooling::NDC ndc("remove");
#ifndef SHIBSP_LITE
m_storage->deleteContext(key);
m_log.info("removed session (%s)", key);
-
- TransactionLog* xlog = application.getServiceProvider().getTransactionLog();
- Locker locker(xlog);
- xlog->log.info("Destroyed session (applicationId: %s) (ID: %s)", application.getId(), key);
#else
throw ConfigurationException("SessionCache removal requires a StorageService.");
#endif
DDFJanitor jin(in);
in.structure();
in.addmember("key").string(key);
- in.addmember("application_id").string(application.getId());
+ in.addmember("application_id").string(app.getId());
- DDF out = application.getServiceProvider().getListenerService()->send(in);
+ DDF out = app.getServiceProvider().getListenerService()->send(in);
out.destroy();
}
}
delete entry;
}
-void SSCache::cleanup()
+void* SSCache::cleanup_fn(void* p)
{
#ifdef _DEBUG
xmltooling::NDC ndc("cleanup");
#endif
- Mutex* mutex = Mutex::create();
+ SSCache* pcache = reinterpret_cast<SSCache*>(p);
+
+#ifndef WIN32
+ // First, let's block all signals
+ Thread::mask_all_signals();
+#endif
+
+ scoped_ptr<Mutex> mutex(Mutex::create());
// Load our configuration details...
static const XMLCh cleanupInterval[] = UNICODE_LITERAL_15(c,l,e,a,n,u,p,I,n,t,e,r,v,a,l);
- const XMLCh* tag=m_root ? m_root->getAttributeNS(NULL,cleanupInterval) : NULL;
+ const XMLCh* tag=pcache->m_root ? pcache->m_root->getAttributeNS(nullptr, cleanupInterval) : nullptr;
int rerun_timer = 900;
if (tag && *tag) {
rerun_timer = XMLString::parseInt(tag);
mutex->lock();
- m_log.info("cleanup thread started...run every %d secs; timeout after %d secs", rerun_timer, m_inprocTimeout);
+ pcache->m_log.info("cleanup thread started...run every %d secs; timeout after %d secs", rerun_timer, pcache->m_inprocTimeout);
- while (!shutdown) {
- shutdown_wait->timedwait(mutex,rerun_timer);
- if (shutdown)
+ while (!pcache->shutdown) {
+ pcache->shutdown_wait->timedwait(mutex.get(), rerun_timer);
+ if (pcache->shutdown)
break;
// Ok, let's run through the cleanup process and clean out
// Pass 1: iterate over the map and find all entries that have not been
// used in the allotted timeout.
vector<string> stale_keys;
- time_t stale = time(NULL) - m_inprocTimeout;
+ time_t stale = time(nullptr) - pcache->m_inprocTimeout;
- m_log.debug("cleanup thread running");
+ pcache->m_log.debug("cleanup thread running");
- m_lock->rdlock();
- for (map<string,StoredSession*>::const_iterator i=m_hashtable.begin(); i!=m_hashtable.end(); ++i) {
+ pcache->m_lock->rdlock();
+ for (map<string,StoredSession*>::const_iterator i = pcache->m_hashtable.begin(); i != pcache->m_hashtable.end(); ++i) {
// If the last access was BEFORE the stale timeout...
i->second->lock();
time_t last=i->second->getLastAccess();
if (last < stale)
stale_keys.push_back(i->first);
}
- m_lock->unlock();
+ pcache->m_lock->unlock();
if (!stale_keys.empty()) {
- m_log.info("purging %d old sessions", stale_keys.size());
+ pcache->m_log.info("purging %d old sessions", stale_keys.size());
// Pass 2: walk through the list of stale entries and remove them from the cache
- for (vector<string>::const_iterator j = stale_keys.begin(); j != stale_keys.end(); ++j)
- dormant(j->c_str());
+ for_each(stale_keys.begin(), stale_keys.end(), boost::bind(&SSCache::dormant, pcache, boost::bind(&string::c_str, _1)));
}
- m_log.debug("cleanup thread completed");
+ pcache->m_log.debug("cleanup thread completed");
}
- m_log.info("cleanup thread exiting");
+ pcache->m_log.info("cleanup thread exiting");
mutex->unlock();
- delete mutex;
- Thread::exit(NULL);
-}
-
-void* SSCache::cleanup_fn(void* cache_p)
-{
-#ifndef WIN32
- // First, let's block all signals
- Thread::mask_all_signals();
-#endif
-
- // Now run the cleanup process.
- reinterpret_cast<SSCache*>(cache_p)->cleanup();
- return NULL;
+ return nullptr;
}
#ifndef SHIBSP_LITE
#ifdef _DEBUG
xmltooling::NDC ndc("receive");
#endif
+ const Application* app = SPConfig::getConfig().getServiceProvider()->getApplication(in["application_id"].string());
+ if (!app)
+ throw ListenerException("Application not found, check configuration?");
if (!strcmp(in.name(),"find::"STORAGESERVICE_SESSION_CACHE"::SessionCache")) {
const char* key=in["key"].string();
if (!key)
throw ListenerException("Required parameters missing for session lookup.");
- const Application* app = SPConfig::getConfig().getServiceProvider()->getApplication(in["application_id"].string());
- if (!app)
- throw ListenerException("Application not found, check configuration?");
-
// Do an unversioned read.
string record;
time_t lastAccess;
if (!m_storage->readText(key, "session", &record, &lastAccess)) {
- DDF ret(NULL);
+ m_log.debug("session not found in cache (%s)", key);
+ DDF ret(nullptr);
DDFJanitor jan(ret);
out << ret;
return;
}
// Adjust for expiration to recover last access time and check timeout.
- lastAccess -= m_cacheTimeout;
- time_t now=time(NULL);
+ unsigned long cacheTimeout = getCacheTimeout(*app);
+ lastAccess -= cacheTimeout;
+ time_t now=time(nullptr);
// See if we need to check for a timeout.
if (in["timeout"].string()) {
if (timeout > 0 && now - lastAccess >= timeout) {
m_log.info("session timed out (ID: %s)", key);
+ scoped_ptr<LogoutEvent> logout_event(newLogoutEvent(*app));
+ if (logout_event.get()) {
+ logout_event->m_logoutType = LogoutEvent::LOGOUT_EVENT_INVALID;
+ logout_event->m_sessions.push_back(key);
+ app->getServiceProvider().getTransactionLog()->write(*logout_event);
+ }
remove(*app, key);
throw RetryableProfileException("Your session has expired, and you must re-authenticate.");
}
// Update storage expiration, if possible.
try {
- m_storage->updateContext(key, now + m_cacheTimeout);
+ m_storage->updateContext(key, now + cacheTimeout);
}
- catch (exception& ex) {
+ catch (std::exception& ex) {
m_log.error("failed to update session expiration: %s", ex.what());
}
}
const char* key=in["key"].string();
if (!key)
throw ListenerException("Required parameters missing for session check.");
+ const char* client_addr = in["client_addr"].string();
- // Do a versioned read.
+ // Do a read. May be unversioned if we need to bind a new client address.
string record;
time_t lastAccess;
int curver = in["version"].integer();
- int ver = m_storage->readText(key, "session", &record, &lastAccess, curver);
+ int ver = m_storage->readText(key, "session", &record, &lastAccess, client_addr ? 0 : curver);
if (ver == 0) {
- m_log.warn("unsuccessful versioned read of session (ID: %s), caches out of sync?", key);
+ m_log.warn("unsuccessful read of session (ID: %s), caches out of sync?", key);
throw RetryableProfileException("Your session has expired, and you must re-authenticate.");
}
// Adjust for expiration to recover last access time and check timeout.
- lastAccess -= m_cacheTimeout;
- time_t now=time(NULL);
+ unsigned long cacheTimeout = getCacheTimeout(*app);
+ lastAccess -= cacheTimeout;
+ time_t now=time(nullptr);
// See if we need to check for a timeout.
time_t timeout = 0;
// Update storage expiration, if possible.
try {
- m_storage->updateContext(key, now + m_cacheTimeout);
+ m_storage->updateContext(key, now + cacheTimeout);
}
- catch (exception& ex) {
+ catch (std::exception& ex) {
m_log.error("failed to update session expiration: %s", ex.what());
}
+ // We may need to write back a new address into the session using a versioned update loop.
+ if (client_addr) {
+ short attempts = 0;
+ m_log.info("binding session (%s) to new client address (%s)", key, client_addr);
+ do {
+ // We have to reconstitute the session object ourselves.
+ DDF sessionobj;
+ DDFJanitor sessionjan(sessionobj);
+ istringstream src(record);
+ src >> sessionobj;
+ ver = sessionobj["version"].integer();
+ const char* saddr = sessionobj["client_addr"][getAddressFamily(client_addr)].string();
+ if (saddr) {
+ // Something snuck in and bound the session to this address type, so it better match what we have.
+ if (!XMLString::equals(saddr, client_addr)) {
+ m_log.warn("client address mismatch, client (%s), session (%s)", client_addr, saddr);
+ throw RetryableProfileException(
+ "Your IP address ($1) does not match the address recorded at the time the session was established.",
+ params(1, client_addr)
+ );
+ }
+ break; // No need to update.
+ }
+ else {
+ // Bind it into the session.
+ sessionobj["client_addr"].addmember(getAddressFamily(client_addr)).string(client_addr);
+ }
+
+ // Tentatively increment the version.
+ sessionobj["version"].integer(sessionobj["version"].integer() + 1);
+
+ ostringstream str;
+ str << sessionobj;
+ record = str.str();
+
+ ver = m_storage->updateText(key, "session", record.c_str(), 0, ver);
+ if (!ver) {
+ // Fatal problem with update.
+ m_log.error("updateText failed on StorageService for session (%s)", key);
+ throw IOException("Unable to update stored session.");
+ }
+ if (ver < 0) {
+ // Out of sync.
+ if (++attempts > 10) {
+ m_log.error("failed to bind client address, update attempts exceeded limit");
+ throw IOException("Unable to update stored session, exceeded retry limit.");
+ }
+ m_log.warn("storage service indicates the record is out of sync, updating with a fresh copy...");
+ sessionobj["version"].integer(sessionobj["version"].integer() - 1);
+ ver = m_storage->readText(key, "session", &record);
+ if (!ver) {
+ m_log.error("readText failed on StorageService for session (%s)", key);
+ throw IOException("Unable to read back stored session.");
+ }
+ ver = -1;
+ }
+ } while (ver < 0); // negative indicates a sync issue so we retry
+ }
+
if (ver > curver) {
// Send the record back.
out << record;
}
else {
- DDF ret(NULL);
+ DDF ret(nullptr);
DDFJanitor jan(ret);
out << ret;
}
if (!key)
throw ListenerException("Required parameter missing for session removal.");
- const Application* app = SPConfig::getConfig().getServiceProvider()->getApplication(in["application_id"].string());
- if (!app)
- throw ConfigurationException("Application not found, check configuration?");
-
remove(*app, key);
- DDF ret(NULL);
+ DDF ret(nullptr);
DDFJanitor jan(ret);
out << ret;
}