- const EntityDescriptor* provider=NULL;
- try {
- if (!m_validate)
- SchemaValidators.validate(xmlObject.get());
-
- // Check destination URL.
- auto_ptr_char dest(request ? request->getDestination() : response->getDestination());
- const char* dest2 = httpRequest.getRequestURL();
- if (!dest.get() || !*(dest.get())) {
- log.error("signed SAML message missing Destination attribute");
- throw BindingException("Signed SAML message missing Destination attribute identifying intended destination.");
- }
- else if (dest.get() && (!dest2 || !*dest2 || strcmp(dest.get(),dest2))) {
- log.error("Redirect targeted at (%s), but delivered to (%s)", dest.get(), dest2 ? dest2 : "none");
- throw BindingException("SAML message delivered with Redirect to incorrect server URL.");
- }
-
- // Check freshness.
- time_t now = time(NULL);
- if ((request ? request->getIssueInstant()->getEpoch() : response->getIssueInstant()->getEpoch())
- < now-(2*XMLToolingConfig::getConfig().clock_skew_secs))
- throw BindingException("Detected expired Redirect binding message.");
-
- // Check replay.
- ReplayCache* replayCache = XMLToolingConfig::getConfig().getReplayCache();
- if (replayCache) {
- auto_ptr_char id(xmlObject->getXMLID());
- if (!replayCache->check("SAML2Redirect", id.get(), response->getIssueInstant()->getEpoch() + (2*XMLToolingConfig::getConfig().clock_skew_secs))) {
- log.error("replay detected of message ID (%s)", id.get());
- throw BindingException("Rejecting replayed message ID ($1).", params(1,id.get()));
- }
- }
- else
- log.warn("replay cache was not provided, this is a serious security risk!");
-
- issuer = NULL;
- securityMech = false;
- log.debug("attempting to establish issuer and integrity of message...");
-
- // If we can't identify the issuer, we're done, since we can't lookup or verify anything.
- if (!claimedIssuer || !claimedIssuer->getName()) {
- log.warn("unable to establish identity of message issuer");
- return xmlObject.release();
- }
- else if (claimedIssuer->getFormat() && !XMLString::equals(claimedIssuer->getFormat(), NameIDType::ENTITY)) {
- auto_ptr_char iformat(claimedIssuer->getFormat());
- log.warn("message issuer was in an unsupported format (%s)", iformat.get());
- return xmlObject.release();
- }
-
- log.debug("searching metadata for assertion issuer...");
- provider=metadataProvider ? metadataProvider->getEntityDescriptor(claimedIssuer->getName()) : NULL;
- if (provider) {
- log.debug("matched assertion issuer against metadata, searching for applicable role...");
- issuer=provider->getRoleDescriptor(*role, samlconstants::SAML20P_NS);
- if (issuer) {
- /*
- if (trustEngine && signature) {
- if (!trustEngine->validate(*signature, *issuer, metadataProvider->getKeyResolver())) {
- log.error("unable to verify signature on message with supplied trust engine");
- throw BindingException("Message signature failed verification.");
- }
- else {
- securityMech = samlconstants::SAML20P_NS;
- }
- }
- else {
- log.warn("unable to authenticate the message, leaving untrusted");
- }
- */
- }
- else {
- log.warn("unable to find compatible SAML 2.0 role (%s) in metadata", role->toString().c_str());
- }
- if (log.isDebugEnabled()) {
- auto_ptr_char iname(provider->getEntityID());
- log.debug("message from (%s), integrity %sverified", iname.get(), securityMech ? "" : "NOT ");
- }
- }
- else {
- auto_ptr_char temp(claimedIssuer->getName());
- log.warn("no metadata found, can't establish identity of issuer (%s)", temp.get());
- }
+ SchemaValidators.validate(root);
+
+ // Run through the policy.
+ extractMessageDetails(*root, genericRequest, samlconstants::SAML20P_NS, policy);
+ policy.evaluate(*root, &genericRequest);
+
+ // Check destination URL.
+ auto_ptr_char dest(request ? request->getDestination() : response->getDestination());
+ const char* dest2 = httpRequest->getRequestURL();
+ const char* delim = strchr(dest2, '?');
+ if ((root->getSignature() || httpRequest->getParameter("Signature")) && (!dest.get() || !*(dest.get()))) {
+ log.error("signed SAML message missing Destination attribute");
+ throw BindingException("Signed SAML message missing Destination attribute identifying intended destination.");