+ curl_slist_free_all(my_headers);
+ curl_easy_cleanup(curl);
+ docbytes = StrLength(ReplyBuf);
+
+ /*
+ * The response from the server will be one of:
+ *
+ * Option 1: An HTML document with a <head> element that includes a <meta> element with http-equiv
+ * attribute, X-XRDS-Location,
+ */
+ /* FIXME handle this somehow */
+
+ /*
+ * Option 2: HTTP response-headers that include an X-XRDS-Location response-header,
+ * together with a document.
+ * Option 3: HTTP response-headers only, which MAY include an X-XRDS-Location response-header,
+ * a contenttype response-header specifying MIME media type,
+ * application/xrds+xml, or both.
+ *
+ * If the X-XRDS-Location header was delivered, we know about it at this point...
+ */
+ if ( (x_xrds_location)
+ && (strcmp(ChrPtr(x_xrds_location), ChrPtr(YadisURL)))
+ ) {
+ syslog(LOG_DEBUG, "X-XRDS-Location: %s ... recursing!", ChrPtr(x_xrds_location));
+ return_value = perform_openid2_discovery(x_xrds_location);
+ FreeStrBuf(&x_xrds_location);