From: Timo Sirainen <tss@iki.fi>
Date: Sun, 4 Aug 2013 09:16:09 +0000 (+0300)
Subject: lib-http: Don't crash when receiving 304 or a redirect without Location: header.
X-Git-Tag: 2.2.5~19
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=cddbeddaefeff42d731a8b02f74815dfff034d50;p=thirdparty%2Fdovecot%2Fcore.git

lib-http: Don't crash when receiving 304 or a redirect without Location: header.
Patch by Stephan Bosch
---

diff --git a/src/lib-http/http-client-connection.c b/src/lib-http/http-client-connection.c
index 648fb622af..7d8e92732c 100644
--- a/src/lib-http/http-client-connection.c
+++ b/src/lib-http/http-client-connection.c
@@ -590,8 +590,9 @@ static void http_client_connection_input(struct connection *_conn)
 				req->payload_sync = FALSE;
 				conn->peer->no_payload_sync = TRUE;
 				http_client_request_retry(req, response->status, response->reason);
-				return;								
-			} else if (response->status / 100 == 3) {
+				return;
+			} else if (response->status / 100 == 3 && response->status != 304 &&
+				response->location != NULL) {
 				/* redirect */
 				http_client_request_redirect(req, response->status, response->location);
 			} else {