#include <xmltooling/util/NDC.h>
#include <xmltooling/util/XMLConstants.h>
#include <xmltooling/util/XMLHelper.h>
+#include <xercesc/util/Base64.hpp>
#include <xercesc/util/XMLUniDefs.hpp>
#include <set>
SPConfig* g_Config = NULL;
map<string,site_t> g_Sites;
bool g_bNormalizeRequest = true;
+ vector<string> g_NoCerts;
}
BOOL LogEvent(
// Access the implementation-specifics for site mappings.
ServiceProvider* sp=g_Config->getServiceProvider();
xmltooling::Locker locker(sp);
- const PropertySet* props=sp->getPropertySet("Local");
+ const PropertySet* props=sp->getPropertySet("InProcess");
if (props) {
const DOMElement* impl=XMLHelper::getFirstChildElement(props->getElement(),Implementation);
if (impl && (impl=XMLHelper::getFirstChildElement(impl,ISAPI))) {
PHTTP_FILTER_CONTEXT m_pfc;
PHTTP_FILTER_PREPROC_HEADERS m_pn;
map<string,string> m_headers;
- vector<string> m_certs;
int m_port;
string m_scheme,m_hostname,m_uri;
mutable string m_remote_addr,m_content_type,m_method;
}
const vector<string>& getClientCertificates() const {
- return m_certs;
+ return g_NoCerts;
}
// The filter never processes the POST, so stub these methods.
{
LPEXTENSION_CONTROL_BLOCK m_lpECB;
map<string,string> m_headers;
- vector<string> m_certs;
+ mutable vector<string> m_certs;
mutable string m_body;
mutable bool m_gotBody;
int m_port;
string m_scheme,m_hostname,m_uri;
- mutable string m_remote_addr;
+ mutable string m_remote_addr,m_remote_user;
public:
ShibTargetIsapiE(LPEXTENSION_CONTROL_BLOCK lpECB, const site_t& site) : m_lpECB(lpECB), m_gotBody(false) {
long getContentLength() const {
return m_lpECB->cbTotalBytes;
}
+ string getRemoteUser() const {
+ if (m_remote_user.empty()) {
+ dynabuf var(16);
+ GetServerVariable(m_lpECB, "REMOTE_USER", var, 32, false);
+ if (!var.empty())
+ m_remote_user = var;
+ }
+ return m_remote_user;
+ }
string getRemoteAddr() const {
if (m_remote_addr.empty()) {
dynabuf var(16);
}
return m_remote_addr;
}
- void log(SPLogLevel level, const string& msg) {
+ void log(SPLogLevel level, const string& msg) const {
AbstractSPRequest::log(level,msg);
if (level >= SPError)
LogEvent(NULL, EVENTLOG_ERROR_TYPE, 2100, NULL, msg.c_str());
}
const vector<string>& getClientCertificates() const {
+ if (m_certs.empty()) {
+ char CertificateBuf[8192];
+ CERT_CONTEXT_EX ccex;
+ ccex.cbAllocated = sizeof(CertificateBuf);
+ ccex.CertContext.pbCertEncoded = (BYTE*)CertificateBuf;
+ DWORD dwSize = sizeof(ccex);
+
+ if (m_lpECB->ServerSupportFunction(m_lpECB->ConnID, HSE_REQ_GET_CERT_INFO_EX, (LPVOID)&ccex, (LPDWORD)dwSize, NULL)) {
+ if (ccex.CertContext.cbCertEncoded) {
+ unsigned int outlen;
+ XMLByte* serialized = Base64::encode(reinterpret_cast<XMLByte*>(CertificateBuf), ccex.CertContext.cbCertEncoded, &outlen);
+ m_certs.push_back(reinterpret_cast<char*>(serialized));
+ XMLString::release(&serialized);
+ }
+ }
+ }
return m_certs;
}
virtual void clearHeader(const char* name) { throw runtime_error("clearHeader not implemented"); }
virtual void setHeader(const char* name, const char* value) { throw runtime_error("setHeader not implemented"); }
virtual void setRemoteUser(const char* user) { throw runtime_error("setRemoteUser not implemented"); }
- virtual string getRemoteUser() const { throw runtime_error("getRemoteUser not implemented"); }
};
extern "C" DWORD WINAPI HttpExtensionProc(LPEXTENSION_CONTROL_BLOCK lpECB)
--- /dev/null
+/*
+ * Copyright 2001-2007 Internet2
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ */
+
+/**
+ * SAML2ArtifactResolution.cpp
+ *
+ * Handler for resolving SAML 2.0 artifacts.
+ */
+
+#include "internal.h"
+#include "Application.h"
+#include "exceptions.h"
+#include "ServiceProvider.h"
+#include "handler/AbstractHandler.h"
+#include "handler/RemotedHandler.h"
+#include "util/SPConstants.h"
+
+#ifndef SHIBSP_LITE
+# include "security/SecurityPolicy.h"
+# include <saml/SAMLConfig.h>
+# include <saml/binding/ArtifactMap.h>
+# include <saml/binding/MessageEncoder.h>
+# include <saml/binding/MessageDecoder.h>
+# include <saml/binding/SAMLArtifact.h>
+# include <saml/saml2/core/Assertions.h>
+# include <saml/saml2/core/Protocols.h>
+# include <saml/saml2/metadata/Metadata.h>
+# include <saml/saml2/metadata/MetadataCredentialCriteria.h>
+using namespace opensaml::saml2md;
+using namespace opensaml::saml2p;
+using namespace opensaml::saml2;
+using namespace samlconstants;
+#endif
+
+#include <xmltooling/soap/SOAP.h>
+
+using namespace shibspconstants;
+using namespace shibsp;
+using namespace opensaml;
+using namespace soap11;
+using namespace xmltooling;
+using namespace log4cpp;
+using namespace std;
+
+namespace shibsp {
+
+ class SHIBSP_API Attribute;
+ class SHIBSP_API ResolutionContext;
+
+#if defined (_MSC_VER)
+ #pragma warning( push )
+ #pragma warning( disable : 4250 )
+#endif
+
+ class SHIBSP_API SAML2ArtifactResolution : public AbstractHandler, public RemotedHandler
+ {
+ public:
+ SAML2ArtifactResolution(const DOMElement* e, const char* appId);
+ virtual ~SAML2ArtifactResolution();
+
+ pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
+ void receive(DDF& in, ostream& out);
+
+ private:
+ pair<bool,long> processMessage(const Application& application, HTTPRequest& httpRequest, HTTPResponse& httpResponse) const;
+#ifndef SHIBSP_LITE
+ pair<bool,long> samlError(
+ const Application& app,
+ const ArtifactResolve& request,
+ HTTPResponse& httpResponse,
+ const XMLCh* code,
+ const XMLCh* subcode=NULL,
+ const char* msg=NULL
+ ) const;
+
+ MessageEncoder* m_encoder;
+ MessageDecoder* m_decoder;
+ QName m_role;
+#endif
+ };
+
+#if defined (_MSC_VER)
+ #pragma warning( pop )
+#endif
+
+ Handler* SHIBSP_DLLLOCAL SAML2ArtifactResolutionFactory(const pair<const DOMElement*,const char*>& p)
+ {
+ return new SAML2ArtifactResolution(p.first, p.second);
+ }
+
+};
+
+SAML2ArtifactResolution::SAML2ArtifactResolution(const DOMElement* e, const char* appId)
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SAML2ArtifactResolution"))
+#ifndef SHIBSP_LITE
+ ,m_encoder(NULL), m_decoder(NULL), m_role(samlconstants::SAML20MD_NS, opensaml::saml2md::IDPSSODescriptor::LOCAL_NAME)
+#endif
+{
+#ifndef SHIBSP_LITE
+ if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
+ try {
+ m_encoder = SAMLConfig::getConfig().MessageEncoderManager.newPlugin(getString("Binding").second,e);
+ m_decoder = SAMLConfig::getConfig().MessageDecoderManager.newPlugin(getString("Binding").second,e);
+ }
+ catch (exception& ex) {
+ m_log.error("error building MessageEncoder/Decoder pair for binding (%s)", getString("Binding").second);
+ delete m_encoder;
+ delete m_decoder;
+ throw;
+ }
+ }
+#endif
+ string address(appId);
+ address += getString("Location").second;
+ address += "::run::SAML2Artifact";
+ setAddress(address.c_str());
+}
+
+SAML2ArtifactResolution::~SAML2ArtifactResolution()
+{
+#ifndef SHIBSP_LITE
+ delete m_encoder;
+ delete m_decoder;
+#endif
+}
+
+pair<bool,long> SAML2ArtifactResolution::run(SPRequest& request, bool isHandler) const
+{
+ string relayState;
+ SPConfig& conf = SPConfig::getConfig();
+
+ try {
+ if (conf.isEnabled(SPConfig::OutOfProcess)) {
+ // When out of process, we run natively and directly process the message.
+ string entityID;
+ return processMessage(request.getApplication(), request, request);
+ }
+ else {
+ // When not out of process, we remote all the message processing.
+ DDF out,in = wrap(request, NULL, true);
+ DDFJanitor jin(in), jout(out);
+
+ in.addmember("application_id").string(request.getApplication().getId());
+ out=request.getServiceProvider().getListenerService()->send(in);
+ return unwrap(request, out);
+ }
+ }
+ catch (exception& ex) {
+ m_log.error("error while processing request: %s", ex.what());
+
+ // Build a SOAP fault around the error.
+ auto_ptr<Fault> fault(FaultBuilder::buildFault());
+ Faultcode* code = FaultcodeBuilder::buildFaultcode();
+ fault->setFaultcode(code);
+ code->setCode(&Faultcode::SERVER);
+ Faultstring* fs = FaultstringBuilder::buildFaultstring();
+ fault->setFaultstring(fs);
+ pair<bool,bool> flag = getBool("detailedErrors", m_configNS.get());
+ auto_ptr_XMLCh msg((flag.first && flag.second) ? ex.what() : "Error processing request.");
+ fs->setString(msg.get());
+#ifndef SHIBSP_LITE
+ // Use MessageEncoder to send back the fault.
+ long ret = m_encoder->encode(request, fault.get(), NULL);
+ fault.release();
+ return make_pair(true, ret);
+#else
+ // Brute force the fault to avoid library dependency.
+ auto_ptr<Envelope> env(EnvelopeBuilder::buildEnvelope());
+ Body* body = BodyBuilder::buildBody();
+ env->setBody(body);
+ body->getUnknownXMLObjects().push_back(fault.release());
+ string xmlbuf;
+ XMLHelper::serialize(env->marshall(), xmlbuf);
+ istringstream s(xmlbuf);
+ request.setContentType("text/xml");
+ return make_pair(true, request.sendError(s));
+#endif
+ }
+}
+
+void SAML2ArtifactResolution::receive(DDF& in, ostream& out)
+{
+ // 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 artifact resolution", aid ? aid : "(missing)");
+ throw ConfigurationException("Unable to locate application for new session, deleted?");
+ }
+
+ // Unpack the request.
+ auto_ptr<HTTPRequest> req(getRequest(in));
+ //m_log.debug("found %d client certificates", req->getClientCertificates().size());
+
+ // Wrap a response shim.
+ DDF ret(NULL);
+ DDFJanitor jout(ret);
+ auto_ptr<HTTPResponse> resp(getResponse(ret));
+
+ try {
+ // Since we're remoted, the result should either be a throw, 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.
+ processMessage(*app, *req.get(), *resp.get());
+ out << ret;
+ }
+ catch (exception& ex) {
+#ifndef SHIBSP_LITE
+ m_log.error("error while processing request: %s", ex.what());
+
+ // Use MessageEncoder to send back a SOAP fault.
+ auto_ptr<Fault> fault(FaultBuilder::buildFault());
+ Faultcode* code = FaultcodeBuilder::buildFaultcode();
+ fault->setFaultcode(code);
+ code->setCode(&Faultcode::SERVER);
+ Faultstring* fs = FaultstringBuilder::buildFaultstring();
+ fault->setFaultstring(fs);
+ pair<bool,bool> flag = getBool("detailedErrors", m_configNS.get());
+ auto_ptr_XMLCh msg((flag.first && flag.second) ? ex.what() : "Error processing request.");
+ fs->setString(msg.get());
+ m_encoder->encode(*resp.get(), fault.get(), NULL);
+ fault.release();
+ out << ret;
+#else
+ throw; // should never happen anyway
+#endif
+ }
+}
+
+pair<bool,long> SAML2ArtifactResolution::processMessage(const Application& application, HTTPRequest& httpRequest, HTTPResponse& httpResponse) const
+{
+#ifndef SHIBSP_LITE
+ m_log.debug("processing SAML 2.0 ArtifactResolve request");
+
+ ArtifactMap* artmap = SAMLConfig::getConfig().getArtifactMap();
+ if (!artmap)
+ throw ConfigurationException("No ArtifactMap instance installed.");
+
+ // Locate policy key.
+ pair<bool,const char*> policyId = getString("policyId", m_configNS.get()); // namespace-qualified if inside handler element
+ if (!policyId.first)
+ policyId = application.getString("policyId"); // unqualified in Application(s) element
+
+ // Access policy properties.
+ const PropertySet* settings = application.getServiceProvider().getPolicySettings(policyId.second);
+ pair<bool,bool> validate = settings->getBool("validate");
+
+ // Lock metadata for use by policy.
+ Locker metadataLocker(application.getMetadataProvider());
+
+ // Create the policy.
+ shibsp::SecurityPolicy policy(application, &m_role, validate.first && validate.second);
+
+ // Decode the message and verify that it's a secured ArtifactResolve request.
+ string relayState;
+ auto_ptr<XMLObject> msg(m_decoder->decode(relayState, httpRequest, policy));
+ if (!msg.get())
+ throw BindingException("Failed to decode a SAML request.");
+ const ArtifactResolve* req = dynamic_cast<const ArtifactResolve*>(msg.get());
+ if (!req)
+ throw FatalProfileException("Decoded message was not a samlp::ArtifactResolve request.");
+
+ try {
+ if (!policy.isSecure())
+ return samlError(application, *req, httpResponse, StatusCode::REQUESTER, StatusCode::AUTHN_FAILED, "Unable to authenticate request.");
+
+ auto_ptr_char artifact(req->getArtifact() ? req->getArtifact()->getArtifact() : NULL);
+ if (!artifact.get() || !*artifact.get())
+ return samlError(application, *req, httpResponse, StatusCode::REQUESTER, NULL, "Request did not contain an artifact to resolve.");
+ auto_ptr_char issuer(policy.getIssuer() ? policy.getIssuer()->getName() : NULL);
+
+ m_log.info("resolving artifact (%s) for (%s)", artifact.get(), issuer.get() ? issuer.get() : "unknown");
+
+ // Parse the artifact and retrieve the object.
+ auto_ptr<SAMLArtifact> artobj(SAMLArtifact::parse(artifact.get()));
+ auto_ptr<XMLObject> payload(artmap->retrieveContent(artobj.get(), issuer.get()));
+
+ m_log.debug("artifact resolved, preparing response");
+
+ // Wrap it in a response.
+ auto_ptr<ArtifactResponse> resp(ArtifactResponseBuilder::buildArtifactResponse());
+ resp->setInResponseTo(req->getID());
+ Issuer* me = IssuerBuilder::buildIssuer();
+ me->setName(application.getXMLString("entityID").second);
+ resp->setPayload(payload.release());
+
+ const EntityDescriptor* entity =
+ policy.getIssuerMetadata() ? dynamic_cast<EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : NULL;
+ const PropertySet* relyingParty = application.getRelyingParty(entity);
+ pair<bool,bool> flag = relyingParty->getBool("signResponses");
+ if (flag.first && flag.second && policy.getIssuerMetadata()) {
+ CredentialResolver* credResolver=application.getCredentialResolver();
+ if (credResolver) {
+ Locker credLocker(credResolver);
+ // Fill in criteria to use.
+ MetadataCredentialCriteria mcc(*policy.getIssuerMetadata());
+ mcc.setUsage(CredentialCriteria::SIGNING_CREDENTIAL);
+ pair<bool,const char*> keyName = relyingParty->getString("keyName");
+ if (keyName.first)
+ mcc.getKeyNames().insert(keyName.second);
+ pair<bool,const XMLCh*> sigalg = relyingParty->getXMLString("signatureAlg");
+ if (sigalg.first)
+ mcc.setXMLAlgorithm(sigalg.second);
+ const Credential* cred = credResolver->resolve(&mcc);
+ if (cred) {
+ // Signed request.
+ long ret = m_encoder->encode(
+ httpResponse,
+ resp.get(),
+ NULL,
+ entity,
+ relayState.c_str(),
+ NULL,
+ cred,
+ sigalg.second,
+ relyingParty->getXMLString("digestAlg").second
+ );
+ resp.release(); // freed by encoder
+ return make_pair(true,ret);
+ }
+ else {
+ m_log.warn("no signing credential resolved, leaving response unsigned");
+ }
+ }
+ }
+
+ long ret = m_encoder->encode(httpResponse, resp.get(), NULL, entity, relayState.c_str());
+ resp.release(); // freed by encoder
+ return make_pair(true,ret);
+ }
+ catch (exception& ex) {
+ // Trap localized errors in a SAML Response.
+ m_log.error("error processing artifact request, returning SAML error: %s", ex.what());
+ return samlError(application, *req, httpResponse, StatusCode::RESPONDER, NULL, ex.what());
+ }
+#else
+ return make_pair(false,0);
+#endif
+}
+
+#ifndef SHIBSP_LITE
+pair<bool,long> SAML2ArtifactResolution::samlError(
+ const Application& app, const ArtifactResolve& request, HTTPResponse& httpResponse, const XMLCh* code, const XMLCh* subcode, const char* msg
+ ) const
+{
+ auto_ptr<ArtifactResponse> resp(ArtifactResponseBuilder::buildArtifactResponse());
+ resp->setInResponseTo(request.getID());
+ Issuer* me = IssuerBuilder::buildIssuer();
+ me->setName(app.getXMLString("entityID").second);
+ prepareResponse(*resp.get(), code, subcode, msg);
+ long ret = m_encoder->encode(httpResponse, resp.get(), NULL);
+ resp.release(); // freed by encoder
+ return make_pair(true,ret);
+}
+#endif
projects / shibboleth / sp.git / commitdiff