* limitations under the License.
*/
-/* adfs.cpp - bootstraps the ADFS extension library
+/**
+ * adfs.cpp
+ *
+ * ADFSv1 extension library
+ */
- Scott Cantor
- 10/10/05
-*/
+#if defined (_MSC_VER) || defined(__BORLANDC__)
+# include "config_win32.h"
+#else
+# include "config.h"
+#endif
#ifdef WIN32
+# define _CRT_NONSTDC_NO_DEPRECATE 1
+# define _CRT_SECURE_NO_DEPRECATE 1
# define ADFS_EXPORTS __declspec(dllexport)
#else
# define ADFS_EXPORTS
#endif
-#include "internal.h"
+#include <shibsp/base.h>
+#include <shibsp/exceptions.h>
+#include <shibsp/Application.h>
+#include <shibsp/ServiceProvider.h>
+#include <shibsp/SessionCache.h>
+#include <shibsp/SPConfig.h>
+#include <shibsp/handler/AssertionConsumerService.h>
+#include <shibsp/handler/LogoutHandler.h>
+#include <shibsp/handler/SessionInitiator.h>
+#include <xmltooling/logging.h>
+#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/URLEncoder.h>
+#include <xmltooling/util/XMLHelper.h>
+#include <xercesc/util/XMLUniDefs.hpp>
+
+#ifndef SHIBSP_LITE
+# include <shibsp/attribute/resolver/ResolutionContext.h>
+# include <saml/SAMLConfig.h>
+# include <saml/saml1/core/Assertions.h>
+# include <saml/saml1/profile/AssertionValidator.h>
+# include <saml/saml2/core/Assertions.h>
+# include <saml/saml2/metadata/Metadata.h>
+# include <saml/saml2/metadata/EndpointManager.h>
+# include <xmltooling/impl/AnyElement.h>
+# include <xmltooling/validation/ValidatorSuite.h>
+using namespace opensaml::saml2md;
+#endif
+using namespace shibsp;
+using namespace opensaml;
+using namespace xmltooling::logging;
+using namespace xmltooling;
+using namespace xercesc;
+using namespace std;
-#include <xercesc/util/Base64.hpp>
+#define WSFED_NS "http://schemas.xmlsoap.org/ws/2003/07/secext"
+#define WSTRUST_NS "http://schemas.xmlsoap.org/ws/2005/02/trust"
+namespace {
-using namespace std;
-using namespace saml;
-using namespace shibboleth;
-using namespace adfs;
-using namespace log4cpp;
+#ifndef SHIBSP_LITE
+ class SHIBSP_DLLLOCAL ADFSDecoder : public MessageDecoder
+ {
+ auto_ptr_XMLCh m_ns;
+ public:
+ ADFSDecoder() : m_ns(WSTRUST_NS) {}
+ virtual ~ADFSDecoder() {}
+
+ XMLObject* decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const;
-// Plugin Factories
-PlugManager::Factory ADFSListenerFactory;
-PlugManager::Factory ADFSSessionInitiatorFactory;
-PlugManager::Factory ADFSHandlerFactory;
+ protected:
+ void extractMessageDetails(
+ const XMLObject& message, const GenericRequest& req, const XMLCh* protocol, SecurityPolicy& policy
+ ) const {
+ }
+ };
+ MessageDecoder* ADFSDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
+ {
+ return new ADFSDecoder();
+ }
+#endif
-extern "C" int ADFS_EXPORTS saml_extension_init(void*)
-{
- // Register extension schema.
- saml::XML::registerSchema(adfs::XML::WSTRUST_NS,adfs::XML::WSTRUST_SCHEMA_ID);
+#if defined (_MSC_VER)
+ #pragma warning( push )
+ #pragma warning( disable : 4250 )
+#endif
- // Register plugin factories (some override existing Shib functionality).
- SAMLConfig& conf=SAMLConfig::getConfig();
- conf.getPlugMgr().regFactory(shibtarget::XML::MemoryListenerType,&ADFSListenerFactory);
+ class SHIBSP_DLLLOCAL ADFSSessionInitiator : public SessionInitiator, public AbstractHandler, public RemotedHandler
+ {
+ public:
+ ADFSSessionInitiator(const DOMElement* e, const char* appId)
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator.ADFS")), m_appId(appId), m_binding(WSFED_NS) {
+ // If Location isn't set, defer address registration until the setParent call.
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSSI";
+ setAddress(address.c_str());
+ }
+ }
+ virtual ~ADFSSessionInitiator() {}
+
+ void setParent(const PropertySet* parent) {
+ DOMPropertySet::setParent(parent);
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSSI";
+ setAddress(address.c_str());
+ }
+ else {
+ m_log.warn("no Location property in ADFS SessionInitiator (or parent), can't register as remoted handler");
+ }
+ }
- auto_ptr_char temp1(Constants::SHIB_SESSIONINIT_PROFILE_URI);
- conf.getPlugMgr().regFactory(temp1.get(),&ADFSSessionInitiatorFactory);
+ void receive(DDF& in, ostream& out);
+ pair<bool,long> run(SPRequest& request, const char* entityID=NULL, bool isHandler=true) const;
+
+ private:
+ pair<bool,long> doRequest(
+ const Application& application,
+ HTTPResponse& httpResponse,
+ const char* entityID,
+ const char* acsLocation,
+ string& relayState
+ ) const;
+ string m_appId;
+ auto_ptr_XMLCh m_binding;
+ };
+
+ class SHIBSP_DLLLOCAL ADFSConsumer : public shibsp::AssertionConsumerService
+ {
+ public:
+ ADFSConsumer(const DOMElement* e, const char* appId)
+ : shibsp::AssertionConsumerService(e, appId, Category::getInstance(SHIBSP_LOGCAT".SSO.ADFS"))
+#ifndef SHIBSP_LITE
+ ,m_protocol(WSFED_NS)
+#endif
+ {}
+ virtual ~ADFSConsumer() {}
- auto_ptr_char temp2(adfs::XML::WSFED_NS);
- conf.getPlugMgr().regFactory(temp2.get(),&ADFSHandlerFactory);
+#ifndef SHIBSP_LITE
+ void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
+ AssertionConsumerService::generateMetadata(role, handlerURL);
+ role.addSupport(m_protocol.get());
+ }
- return 0;
-}
+ auto_ptr_XMLCh m_protocol;
+
+ private:
+ void implementProtocol(
+ const Application& application,
+ const HTTPRequest& httpRequest,
+ HTTPResponse& httpResponse,
+ SecurityPolicy& policy,
+ const PropertySet* settings,
+ const XMLObject& xmlObject
+ ) const;
+#endif
+ };
-extern "C" void ADFS_EXPORTS saml_extension_term()
-{
- // Unregister metadata factories
- SAMLConfig& conf=SAMLConfig::getConfig();
- conf.getPlugMgr().unregFactory(shibtarget::XML::MemoryListenerType);
-
- auto_ptr_char temp1(Constants::SHIB_SESSIONINIT_PROFILE_URI);
- conf.getPlugMgr().unregFactory(temp1.get());
-
- auto_ptr_char temp2(adfs::XML::WSFED_NS);
- conf.getPlugMgr().unregFactory(temp2.get());
-}
+ class SHIBSP_DLLLOCAL ADFSLogoutInitiator : public AbstractHandler, public RemotedHandler
+ {
+ public:
+ ADFSLogoutInitiator(const DOMElement* e, const char* appId)
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".LogoutInitiator.ADFS")), m_appId(appId), m_binding(WSFED_NS) {
+ // If Location isn't set, defer address registration until the setParent call.
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSLI";
+ setAddress(address.c_str());
+ }
+ }
+ virtual ~ADFSLogoutInitiator() {}
+
+ void setParent(const PropertySet* parent) {
+ DOMPropertySet::setParent(parent);
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSLI";
+ setAddress(address.c_str());
+ }
+ else {
+ m_log.warn("no Location property in ADFS LogoutInitiator (or parent), can't register as remoted handler");
+ }
+ }
-// For now, we'll just put the meat of the profile here.
+ void receive(DDF& in, ostream& out);
+ pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
-SAMLAuthenticationStatement* adfs::checkAssertionProfile(const SAMLAssertion* a)
-{
- // Is it signed?
- if (!a->isSigned())
- throw FatalProfileException("rejected unsigned ADFS assertion");
-
- // Is it valid?
- time_t now=time(NULL);
- SAMLConfig& config=SAMLConfig::getConfig();
- if (a->getIssueInstant()->getEpoch() < now-(2*config.clock_skew_secs))
- throw ExpiredAssertionException("rejected expired ADFS assertion");
-
- const SAMLDateTime* notBefore=a->getNotBefore();
- const SAMLDateTime* notOnOrAfter=a->getNotOnOrAfter();
- if (!notBefore || !notOnOrAfter)
- throw ExpiredAssertionException("rejected ADFS assertion without time conditions");
- if (now+config.clock_skew_secs < notBefore->getEpoch())
- throw ExpiredAssertionException("rejected ADFS assertion that is not yet valid");
- if (notOnOrAfter->getEpoch() <= now-config.clock_skew_secs)
- throw ExpiredAssertionException("rejected expired ADFS assertion");
-
- // Look for an authentication statement.
- SAMLAuthenticationStatement* as=NULL;
- for (Iterator<SAMLStatement*> statements=a->getStatements(); !as && statements.hasNext();)
- as=dynamic_cast<SAMLAuthenticationStatement*>(statements.next());
- if (!as)
- throw FatalProfileException("rejecting ADFS assertion without authentication statement");
-
- return as;
-}
+#ifndef SHIBSP_LITE
+ const char* getType() const {
+ return "LogoutInitiator";
+ }
+#endif
-/*************************************************************************
- * CGI Parser implementation
- */
+ private:
+ pair<bool,long> doRequest(const Application& application, const char* entityID, HTTPResponse& httpResponse) const;
-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);
+ string m_appId;
+ auto_ptr_XMLCh m_binding;
+ };
+
+ class SHIBSP_DLLLOCAL ADFSLogout : public AbstractHandler, public LogoutHandler
+ {
+ public:
+ ADFSLogout(const DOMElement* e, const char* appId)
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".Logout.ADFS")), m_login(e, appId) {
+#ifndef SHIBSP_LITE
+ m_initiator = false;
+ m_preserve.push_back("wreply");
+ string address = string(appId) + getString("Location").second + "::run::ADFSLO";
+ setAddress(address.c_str());
+#endif
+ }
+ virtual ~ADFSLogout() {}
+
+ pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
+
+#ifndef SHIBSP_LITE
+ void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
+ m_login.generateMetadata(role, handlerURL);
+ const char* loc = getString("Location").second;
+ string hurl(handlerURL);
+ if (*loc != '/')
+ hurl += '/';
+ hurl += loc;
+ auto_ptr_XMLCh widen(hurl.c_str());
+ SingleLogoutService* ep = SingleLogoutServiceBuilder::buildSingleLogoutService();
+ ep->setLocation(widen.get());
+ ep->setBinding(m_login.m_protocol.get());
+ role.getSingleLogoutServices().push_back(ep);
+ }
+
+ const char* getType() const {
+ return m_login.getType();
+ }
+#endif
+
+ private:
+ ADFSConsumer m_login;
+ };
+
+#if defined (_MSC_VER)
+ #pragma warning( pop )
+#endif
+
+ SessionInitiator* ADFSSessionInitiatorFactory(const pair<const DOMElement*,const char*>& p)
+ {
+ return new ADFSSessionInitiator(p.first, p.second);
}
-}
-CgiParse::~CgiParse()
+ Handler* ADFSLogoutFactory(const pair<const DOMElement*,const char*>& p)
+ {
+ return new ADFSLogout(p.first, p.second);
+ }
+
+ Handler* ADFSLogoutInitiatorFactory(const pair<const DOMElement*,const char*>& p)
+ {
+ return new ADFSLogoutInitiator(p.first, p.second);
+ }
+
+ const XMLCh RequestedSecurityToken[] = UNICODE_LITERAL_22(R,e,q,u,e,s,t,e,d,S,e,c,u,r,i,t,y,T,o,k,e,n);
+ const XMLCh RequestSecurityTokenResponse[] =UNICODE_LITERAL_28(R,e,q,u,e,s,t,S,e,c,u,r,i,t,y,T,o,k,e,n,R,e,s,p,o,n,s,e);
+};
+
+extern "C" int ADFS_EXPORTS xmltooling_extension_init(void*)
{
- for (map<string,char*>::iterator i=kvp_map.begin(); i!=kvp_map.end(); i++)
- free(i->second);
+ SPConfig& conf=SPConfig::getConfig();
+ conf.SessionInitiatorManager.registerFactory("ADFS", ADFSSessionInitiatorFactory);
+ conf.LogoutInitiatorManager.registerFactory("ADFS", ADFSLogoutInitiatorFactory);
+ conf.AssertionConsumerServiceManager.registerFactory("ADFS", ADFSLogoutFactory);
+ conf.AssertionConsumerServiceManager.registerFactory(WSFED_NS, ADFSLogoutFactory);
+#ifndef SHIBSP_LITE
+ SAMLConfig::getConfig().MessageDecoderManager.registerFactory(WSFED_NS, ADFSDecoderFactory);
+ XMLObjectBuilder::registerBuilder(QName(WSTRUST_NS,"RequestedSecurityToken"), new AnyElementBuilder());
+ XMLObjectBuilder::registerBuilder(QName(WSTRUST_NS,"RequestSecurityTokenResponse"), new AnyElementBuilder());
+#endif
+ return 0;
}
-const char*
-CgiParse::get_value(const char* name) const
+extern "C" void ADFS_EXPORTS xmltooling_extension_term()
{
- map<string,char*>::const_iterator i=kvp_map.find(name);
- if (i==kvp_map.end())
- return NULL;
- return i->second;
+ /* should get unregistered during normal shutdown...
+ SPConfig& conf=SPConfig::getConfig();
+ conf.SessionInitiatorManager.deregisterFactory("ADFS");
+ conf.LogoutInitiatorManager.deregisterFactory("ADFS");
+ conf.AssertionConsumerServiceManager.deregisterFactory("ADFS");
+ conf.AssertionConsumerServiceManager.deregisterFactory(WSFED_NS);
+#ifndef SHIBSP_LITE
+ SAMLConfig::getConfig().MessageDecoderManager.deregisterFactory(WSFED_NS);
+#endif
+ */
}
-/* Parsing routines modified from NCSA source. */
-char *
-CgiParse::makeword(char *line, char stop)
+pair<bool,long> ADFSSessionInitiator::run(SPRequest& request, const char* entityID, bool isHandler) const
{
- int x = 0,y;
- char *word = (char *) malloc(sizeof(char) * (strlen(line) + 1));
+ // We have to know the IdP to function.
+ if (!entityID || !*entityID)
+ return make_pair(false,0L);
+
+ string target;
+ const Handler* ACS=NULL;
+ const char* option;
+ const Application& app=request.getApplication();
+
+ if (isHandler) {
+ option = request.getParameter("target");
+ if (option)
+ target = option;
+
+ // Since we're passing the ACS by value, we need to compute the return URL,
+ // so we'll need the target resource for real.
+ recoverRelayState(request.getApplication(), request, request, target, false);
+ }
+ else {
+ // We're running as a "virtual handler" from within the filter.
+ // The target resource is the current one and everything else is defaulted.
+ target=request.getRequestURL();
+ }
+
+ // Since we're not passing by index, we need to fully compute the return URL.
+ // Get all the ADFS endpoints.
+ const vector<const Handler*>& handlers = app.getAssertionConsumerServicesByBinding(m_binding.get());
+
+ // Index comes from request, or default set in the handler, or we just pick the first endpoint.
+ pair<bool,unsigned int> index(false,0);
+ if (isHandler) {
+ option = request.getParameter("acsIndex");
+ if (option)
+ index = pair<bool,unsigned int>(true, atoi(option));
+ }
+ if (!index.first)
+ index = getUnsignedInt("defaultACSIndex");
+ if (index.first) {
+ for (vector<const Handler*>::const_iterator h = handlers.begin(); !ACS && h!=handlers.end(); ++h) {
+ if (index.second == (*h)->getUnsignedInt("index").second)
+ ACS = *h;
+ }
+ }
+ else if (!handlers.empty()) {
+ ACS = handlers.front();
+ }
+ if (!ACS)
+ throw ConfigurationException("Unable to locate ADFS response endpoint.");
+
+ // Compute the ACS URL. We add the ACS location to the base handlerURL.
+ string ACSloc=request.getHandlerURL(target.c_str());
+ pair<bool,const char*> loc=ACS ? ACS->getString("Location") : pair<bool,const char*>(false,NULL);
+ if (loc.first) ACSloc+=loc.second;
+
+ if (isHandler) {
+ // We may already have RelayState set if we looped back here,
+ // but just in case target is a resource, we reset it back.
+ target.erase();
+ option = request.getParameter("target");
+ if (option)
+ target = option;
+ }
- for(x=0;((line[x]) && (line[x] != stop));x++)
- word[x] = line[x];
+ m_log.debug("attempting to initiate session using ADFS with provider (%s)", entityID);
- word[x] = '\0';
- if(line[x])
- ++x;
- y=0;
+ if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess))
+ return doRequest(app, request, entityID, ACSloc.c_str(), target);
- while(line[x])
- line[y++] = line[x++];
- line[y] = '\0';
- return word;
+ // Remote the call.
+ DDF out,in = DDF(m_address.c_str()).structure();
+ DDFJanitor jin(in), jout(out);
+ in.addmember("application_id").string(app.getId());
+ in.addmember("entity_id").string(entityID);
+ in.addmember("acsLocation").string(ACSloc.c_str());
+ if (!target.empty())
+ in.addmember("RelayState").string(target.c_str());
+
+ // Remote the processing.
+ out = request.getServiceProvider().getListenerService()->send(in);
+ return unwrap(request, out);
}
-char *
-CgiParse::fmakeword(char stop, unsigned int *cl, const char** ppch)
+void ADFSSessionInitiator::receive(DDF& in, ostream& out)
{
- int wsize;
- char *word;
- int ll;
+ // Find application.
+ const char* aid=in["application_id"].string();
+ const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : NULL;
+ if (!app) {
+ // Something's horribly wrong.
+ m_log.error("couldn't find application (%s) to generate ADFS request", aid ? aid : "(missing)");
+ throw ConfigurationException("Unable to locate application for new session, deleted?");
+ }
- wsize = 1024;
- ll=0;
- word = (char *) malloc(sizeof(char) * (wsize + 1));
+ const char* entityID = in["entity_id"].string();
+ const char* acsLocation = in["acsLocation"].string();
+ if (!entityID || !acsLocation)
+ throw ConfigurationException("No entityID or acsLocation parameter supplied to remoted SessionInitiator.");
- while(1)
- {
- word[ll] = *((*ppch)++);
- if(ll==wsize-1)
- {
- word[ll+1] = '\0';
- wsize+=1024;
- word = (char *)realloc(word,sizeof(char)*(wsize+1));
- }
- --(*cl);
- if((word[ll] == stop) || word[ll] == EOF || (!(*cl)))
- {
- if(word[ll] != stop)
- ll++;
- word[ll] = '\0';
- return word;
- }
- ++ll;
- }
+ DDF ret(NULL);
+ DDFJanitor jout(ret);
+
+ // Wrap the outgoing object with a Response facade.
+ auto_ptr<HTTPResponse> http(getResponse(ret));
+
+ string relayState(in["RelayState"].string() ? in["RelayState"].string() : "");
+
+ // Since we're remoted, the result should either be a throw, which we pass on,
+ // a false/0 return, which we just return as an empty structure, or a response/redirect,
+ // which we capture in the facade and send back.
+ doRequest(*app, *http.get(), entityID, acsLocation, relayState);
+ out << ret;
}
-void
-CgiParse::plustospace(char *str)
+pair<bool,long> ADFSSessionInitiator::doRequest(
+ const Application& app,
+ HTTPResponse& httpResponse,
+ const char* entityID,
+ const char* acsLocation,
+ string& relayState
+ ) const
{
- register int x;
+#ifndef SHIBSP_LITE
+ // Use metadata to invoke the SSO service directly.
+ MetadataProvider* m=app.getMetadataProvider();
+ Locker locker(m);
+ MetadataProvider::Criteria mc(entityID, &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
+ pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);
+ if (!entity.first) {
+ m_log.warn("unable to locate metadata for provider (%s)", entityID);
+ throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+ else if (!entity.second) {
+ m_log.warn("unable to locate ADFS-aware identity provider role for provider (%s)", entityID);
+ if (getParent())
+ return make_pair(false,0L);
+ throw MetadataException("Unable to locate ADFS-aware identity provider role for provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+ const EndpointType* ep = EndpointManager<SingleSignOnService>(
+ dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleSignOnServices()
+ ).getByBinding(m_binding.get());
+ if (!ep) {
+ m_log.warn("unable to locate compatible SSO service for provider (%s)", entityID);
+ if (getParent())
+ return make_pair(false,0L);
+ throw MetadataException("Unable to locate compatible SSO service for provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+
+ preserveRelayState(app, httpResponse, relayState);
- for(x=0;str[x];x++)
- if(str[x] == '+') str[x] = ' ';
+ // UTC timestamp
+ time_t epoch=time(NULL);
+#ifndef HAVE_GMTIME_R
+ struct tm* ptime=gmtime(&epoch);
+#else
+ struct tm res;
+ struct tm* ptime=gmtime_r(&epoch,&res);
+#endif
+ char timebuf[32];
+ strftime(timebuf,32,"%Y-%m-%dT%H:%M:%SZ",ptime);
+
+ auto_ptr_char dest(ep->getLocation());
+ const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
+
+ string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignin1.0&wreply=" + urlenc->encode(acsLocation) +
+ "&wct=" + urlenc->encode(timebuf) + "&wtrealm=" + urlenc->encode(app.getString("entityID").second);
+ if (!relayState.empty())
+ req += "&wctx=" + urlenc->encode(relayState.c_str());
+
+ return make_pair(true, httpResponse.sendRedirect(req.c_str()));
+#else
+ return make_pair(false,0L);
+#endif
}
-char
-CgiParse::x2c(char *what)
-{
- register char digit;
+#ifndef SHIBSP_LITE
- 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);
+XMLObject* ADFSDecoder::decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const
+{
+#ifdef _DEBUG
+ xmltooling::NDC ndc("decode");
+#endif
+ Category& log = Category::getInstance(SHIBSP_LOGCAT".MessageDecoder.ADFS");
+
+ log.debug("validating input");
+ const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
+ if (!httpRequest)
+ throw BindingException("Unable to cast request object to HTTPRequest type.");
+ if (strcmp(httpRequest->getMethod(),"POST"))
+ throw BindingException("Invalid HTTP method ($1).", params(1, httpRequest->getMethod()));
+ const char* param = httpRequest->getParameter("wa");
+ if (!param || strcmp(param, "wsignin1.0"))
+ throw BindingException("Missing or invalid wa parameter (should be wsignin1.0).");
+ param = httpRequest->getParameter("wctx");
+ if (param)
+ relayState = param;
+
+ param = httpRequest->getParameter("wresult");
+ if (!param)
+ throw BindingException("Request missing wresult parameter.");
+
+ log.debug("decoded ADFS response:\n%s", param);
+
+ // Parse and bind the document into an XMLObject.
+ istringstream is(param);
+ DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
+ : XMLToolingConfig::getConfig().getParser()).parse(is);
+ XercesJanitor<DOMDocument> janitor(doc);
+ auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
+ janitor.release();
+
+ if (!XMLHelper::isNodeNamed(xmlObject->getDOM(), m_ns.get(), RequestSecurityTokenResponse))
+ throw BindingException("Decoded message was not of the appropriate type.");
+
+ if (!policy.getValidating())
+ SchemaValidators.validate(xmlObject.get());
+
+ // Skip policy step here, there's no security in the wrapper.
+ // policy.evaluate(*xmlObject.get(), &genericRequest);
+
+ return xmlObject.release();
}
-void
-CgiParse::url_decode(char *url)
+void ADFSConsumer::implementProtocol(
+ const Application& application,
+ const HTTPRequest& httpRequest,
+ HTTPResponse& httpResponse,
+ SecurityPolicy& policy,
+ const PropertySet* settings,
+ const XMLObject& xmlObject
+ ) const
{
- register int x,y;
+ // Implementation of ADFS profile.
+ m_log.debug("processing message against ADFS Passive Requester profile");
+
+ // With ADFS, all the security comes from the assertion, which is two levels down in the message.
+
+ const ElementProxy* response = dynamic_cast<const ElementProxy*>(&xmlObject);
+ if (!response || !response->hasChildren())
+ throw FatalProfileException("Incoming message was not of the proper type or contains no security token.");
+ response = dynamic_cast<const ElementProxy*>(response->getUnknownXMLObjects().front());
+ if (!response || !response->hasChildren())
+ throw FatalProfileException("Token wrapper element did not contain a security token.");
+ const saml1::Assertion* token = dynamic_cast<const saml1::Assertion*>(response->getUnknownXMLObjects().front());
+ if (!token || !token->getSignature())
+ throw FatalProfileException("Incoming message did not contain a signed SAML 1.1 assertion.");
+
+ // Extract message and issuer details from assertion.
+ extractMessageDetails(*token, m_protocol.get(), policy);
+
+ // Run the policy over the assertion. Handles replay, freshness, and
+ // signature verification, assuming the relevant rules are configured.
+ policy.evaluate(*token);
+
+ // If no security is in place now, we kick it.
+ if (!policy.isAuthenticated())
+ throw SecurityPolicyException("Unable to establish security of incoming assertion.");
+
+ // Now do profile and core semantic validation to ensure we can use it for SSO.
+ // Profile validator.
+ time_t now = time(NULL);
+ saml1::AssertionValidator ssoValidator(application.getAudiences(), now);
+ ssoValidator.validateAssertion(*token);
+ if (!token->getConditions() || !token->getConditions()->getNotBefore() || !token->getConditions()->getNotOnOrAfter())
+ throw FatalProfileException("Assertion did not contain time conditions.");
+ else if (token->getAuthenticationStatements().empty())
+ throw FatalProfileException("Assertion did not contain an authentication statement.");
+
- for(x=0,y=0;url[y];++x,++y)
- {
- if((url[x] = url[y]) == '%')
- {
- url[x] = x2c(&url[y+1]);
- y+=2;
- }
+ // With ADFS, we only have one token, but we need to put it in a vector.
+ vector<const Assertion*> tokens(1,token);
+ const saml1::AuthenticationStatement* ssoStatement=token->getAuthenticationStatements().front();
+
+ // authnskew allows rejection of SSO if AuthnInstant is too old.
+ const PropertySet* sessionProps = application.getPropertySet("Sessions");
+ pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
+
+ if (authnskew.first && authnskew.second &&
+ ssoStatement->getAuthenticationInstant() && (now - ssoStatement->getAuthenticationInstantEpoch() > authnskew.second))
+ throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
+
+ // Address checking.
+ saml1::SubjectLocality* locality = ssoStatement->getSubjectLocality();
+ if (locality && locality->getIPAddress()) {
+ auto_ptr_char ip(locality->getIPAddress());
+ checkAddress(application, httpRequest, ip.get());
}
- url[x] = '\0';
-}
-static inline char hexchar(unsigned short s)
-{
- return (s<=9) ? ('0' + s) : ('A' + s - 10);
+ m_log.debug("ADFS profile processing completed successfully");
+
+ saml1::NameIdentifier* n = ssoStatement->getSubject()->getNameIdentifier();
+
+ // Now we have to extract the authentication details for attribute and session setup.
+
+ // Session expiration for ADFS is purely SP-driven, and the method is mapped to a ctx class.
+ pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
+ if (!lifetime.first || lifetime.second == 0)
+ lifetime.second = 28800;
+
+ // We've successfully "accepted" the SSO token.
+ // To complete processing, we need to extract and resolve attributes and then create the session.
+
+ // Normalize the SAML 1.x NameIdentifier...
+ auto_ptr<saml2::NameID> nameid(n ? saml2::NameIDBuilder::buildNameID() : NULL);
+ if (n) {
+ nameid->setName(n->getName());
+ nameid->setFormat(n->getFormat());
+ nameid->setNameQualifier(n->getNameQualifier());
+ }
+
+ // The context will handle deleting attributes and new tokens.
+ auto_ptr<ResolutionContext> ctx(
+ resolveAttributes(
+ application,
+ policy.getIssuerMetadata(),
+ m_protocol.get(),
+ n,
+ nameid.get(),
+ ssoStatement->getAuthenticationMethod(),
+ NULL,
+ &tokens
+ )
+ );
+
+ if (ctx.get()) {
+ // Copy over any new tokens, but leave them in the context for cleanup.
+ tokens.insert(tokens.end(), ctx->getResolvedAssertions().begin(), ctx->getResolvedAssertions().end());
+ }
+
+ application.getServiceProvider().getSessionCache()->insert(
+ application,
+ httpRequest,
+ httpResponse,
+ now + lifetime.second,
+ policy.getIssuerMetadata() ? dynamic_cast<const EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : NULL,
+ m_protocol.get(),
+ nameid.get(),
+ ssoStatement->getAuthenticationInstant() ? ssoStatement->getAuthenticationInstant()->getRawData() : NULL,
+ NULL,
+ ssoStatement->getAuthenticationMethod(),
+ NULL,
+ &tokens,
+ ctx.get() ? &ctx->getResolvedAttributes() : NULL
+ );
}
-string CgiParse::url_encode(const char* s)
+#endif
+
+pair<bool,long> ADFSLogoutInitiator::run(SPRequest& request, bool isHandler) const
{
- static char badchars[]="\"\\+<>#%{}|^~[]`;/?:@=&";
-
- string ret;
- for (; *s; s++) {
- if (strchr(badchars,*s) || *s<=0x20 || *s>=0x7F) {
- ret+='%';
- ret+=hexchar(*s >> 4);
- ret+=hexchar(*s & 0x0F);
+ // Normally we'd do notifications and session clearage here, but ADFS logout
+ // is missing the needed request/response features, so we have to rely on
+ // the IdP half to notify us back about the logout and do the work there.
+ // Basically we have no way to tell in the Logout receiving handler whether
+ // we initiated the logout or not.
+
+ Session* session = NULL;
+ try {
+ session = request.getSession(false, true, false); // don't cache it and ignore all checks
+ if (!session)
+ return make_pair(false,0L);
+
+ // We only handle ADFS sessions.
+ if (!XMLString::equals(session->getProtocol(), WSFED_NS) || !session->getEntityID()) {
+ session->unlock();
+ return make_pair(false,0L);
}
- else
- ret+=*s;
}
- return ret;
-}
+ catch (exception& ex) {
+ m_log.error("error accessing current session: %s", ex.what());
+ return make_pair(false,0L);
+ }
-// CDC implementation
+ string entityID(session->getEntityID());
+ session->unlock();
-const char CommonDomainCookie::CDCName[] = "_saml_idp";
+ if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
+ // When out of process, we run natively.
+ return doRequest(request.getApplication(), entityID.c_str(), request);
+ }
+ else {
+ // When not out of process, we remote the request.
+ Locker locker(session, false);
+ DDF out,in(m_address.c_str());
+ DDFJanitor jin(in), jout(out);
+ in.addmember("application_id").string(request.getApplication().getId());
+ in.addmember("entity_id").string(entityID.c_str());
+ out=request.getServiceProvider().getListenerService()->send(in);
+ return unwrap(request, out);
+ }
+}
-CommonDomainCookie::CommonDomainCookie(const char* cookie)
+void ADFSLogoutInitiator::receive(DDF& in, ostream& out)
{
- if (!cookie)
- return;
-
- Category& log=Category::getInstance(ADFS_LOGCAT".CommonDomainCookie");
-
- // Copy it so we can URL-decode it.
- char* b64=strdup(cookie);
- CgiParse::url_decode(b64);
-
- // Chop it up and save off elements.
- vector<string> templist;
- char* ptr=b64;
- while (*ptr) {
- while (*ptr && isspace(*ptr)) ptr++;
- char* end=ptr;
- while (*end && !isspace(*end)) end++;
- templist.push_back(string(ptr,end-ptr));
- ptr=end;
+#ifndef SHIBSP_LITE
+ // Find application.
+ const char* aid=in["application_id"].string();
+ const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : NULL;
+ if (!app) {
+ // Something's horribly wrong.
+ m_log.error("couldn't find application (%s) for logout", aid ? aid : "(missing)");
+ throw ConfigurationException("Unable to locate application for logout, deleted?");
}
- free(b64);
-
- // Now Base64 decode the list.
- for (vector<string>::iterator i=templist.begin(); i!=templist.end(); i++) {
- unsigned int len;
- XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(i->c_str()),&len);
- if (decoded && *decoded) {
- m_list.push_back(reinterpret_cast<char*>(decoded));
- XMLString::release(&decoded);
+
+ // Set up a response shim.
+ DDF ret(NULL);
+ DDFJanitor jout(ret);
+ auto_ptr<HTTPResponse> resp(getResponse(ret));
+
+ // Since we're remoted, the result should either be a throw, which we pass on,
+ // a false/0 return, which we just return as an empty structure, or a response/redirect,
+ // which we capture in the facade and send back.
+ doRequest(*app, in["entity_id"].string(), *resp.get());
+
+ out << ret;
+#else
+ throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
+#endif
+}
+
+pair<bool,long> ADFSLogoutInitiator::doRequest(const Application& application, const char* entityID, HTTPResponse& response) const
+{
+#ifndef SHIBSP_LITE
+ try {
+ if (!entityID)
+ throw ConfigurationException("Missing entityID parameter.");
+
+ // With a session in hand, we can create a request message, if we can find a compatible endpoint.
+ MetadataProvider* m=application.getMetadataProvider();
+ Locker locker(m);
+ MetadataProvider::Criteria mc(entityID, &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
+ pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);
+ if (!entity.first)
+ throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
+ else if (!entity.second)
+ throw MetadataException("Unable to locate ADFS IdP role for identity provider ($entityID).", namedparams(1, "entityID", entityID));
+
+ const EndpointType* ep = EndpointManager<SingleLogoutService>(
+ dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleLogoutServices()
+ ).getByBinding(m_binding.get());
+ if (!ep) {
+ throw MetadataException(
+ "Unable to locate ADFS single logout service for identity provider ($entityID).",
+ namedparams(1, "entityID", entityID)
+ );
}
- else
- log.warn("cookie element does not appear to be base64-encoded");
+
+ auto_ptr_char dest(ep->getLocation());
+
+ string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignout1.0";
+ return make_pair(true,response.sendRedirect(req.c_str()));
}
+ catch (exception& ex) {
+ m_log.error("error issuing ADFS logout request: %s", ex.what());
+ }
+
+ return make_pair(false,0L);
+#else
+ throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
+#endif
}
-const char* CommonDomainCookie::set(const char* providerId)
+pair<bool,long> ADFSLogout::run(SPRequest& request, bool isHandler) const
{
- // First scan the list for this IdP.
- for (vector<string>::iterator i=m_list.begin(); i!=m_list.end(); i++) {
- if (*i == providerId) {
- m_list.erase(i);
- break;
- }
+ // Defer to base class for front-channel loop first.
+ // This won't initiate the loop, only continue/end it.
+ pair<bool,long> ret = LogoutHandler::run(request, isHandler);
+ if (ret.first)
+ return ret;
+
+ // wa parameter indicates the "action" to perform
+ bool returning = false;
+ const char* param = request.getParameter("wa");
+ if (param) {
+ if (!strcmp(param, "wsignin1.0"))
+ return m_login.run(request, isHandler);
+ else if (strcmp(param, "wsignout1.0") && strcmp(param, "wsignoutcleanup1.0"))
+ throw FatalProfileException("Unsupported WS-Federation action paremeter ($1).", params(1, param));
}
-
- // Append it to the end.
- m_list.push_back(providerId);
-
- // Now rebuild the delimited list.
- string delimited;
- for (vector<string>::const_iterator j=m_list.begin(); j!=m_list.end(); j++) {
- if (!delimited.empty()) delimited += ' ';
-
- unsigned int len;
- XMLByte* b64=Base64::encode(reinterpret_cast<const XMLByte*>(j->c_str()),j->length(),&len);
- XMLByte *pos, *pos2;
- for (pos=b64, pos2=b64; *pos2; pos2++)
- if (isgraph(*pos2))
- *pos++=*pos2;
- *pos=0;
-
- delimited += reinterpret_cast<char*>(b64);
- XMLString::release(&b64);
+ else if (strcmp(request.getMethod(),"GET") || !request.getParameter("notifying"))
+ throw FatalProfileException("Unsupported request to ADFS protocol endpoint.");
+ else
+ returning = true;
+
+ param = request.getParameter("wreply");
+ const Application& app = request.getApplication();
+
+ if (!returning) {
+ // Pass control to the first front channel notification point, if any.
+ map<string,string> parammap;
+ if (param)
+ parammap["wreply"] = param;
+ pair<bool,long> result = notifyFrontChannel(app, request, request, ¶mmap);
+ if (result.first)
+ return result;
}
-
- m_encoded=CgiParse::url_encode(delimited.c_str());
- return m_encoded.c_str();
+
+ // Best effort on back channel and to remove the user agent's session.
+ string session_id = app.getServiceProvider().getSessionCache()->active(app, request);
+ if (!session_id.empty()) {
+ vector<string> sessions(1,session_id);
+ notifyBackChannel(app, request.getRequestURL(), sessions, false);
+ try {
+ app.getServiceProvider().getSessionCache()->remove(app, request, &request);
+ }
+ catch (exception& ex) {
+ m_log.error("error removing session (%s): %s", session_id.c_str(), ex.what());
+ }
+ }
+
+ if (param)
+ return make_pair(true, request.sendRedirect(param));
+ return sendLogoutPage(app, request, request, false, "Logout complete.");
}
projects / shibboleth / cpp-sp.git / blobdiff