http_fopen_wrapper.c - Handle HTTP 101

Don't wait for further responses after a HTTP 101 (Switching Protocols) response

Author: manuelm

ext/standard/http_fopen_wrapper.c

@@ -680,7 +680,7 @@ static php_stream *php_stream_url_wrap_http_ex(php_stream_wrapper *wrapper,
 			/* status codes of 1xx are "informational", and will be followed by a real response
 			 * e.g "100 Continue". RFC 7231 states that unexpected 1xx status MUST be parsed,
 			 * and MAY be ignored. As such, we need to skip ahead to the "real" status*/
-			if (response_code >= 100 && response_code < 200) {
+			if (response_code >= 100 && response_code < 200 && response_code != 101) {
 				/* consume lines until we find a line starting 'HTTP/1' */
 				while (
 					!php_stream_eof(stream)