commit d55d6174ba3631ef9e11db86e54c11faae3c303c
from: Omar Polo <op@omarpolo.com>
date: Thu Apr 01 10:24:50 2021 UTC

handle success code other than 20

20 is the only used, but *technically* one (read: Sean and his client
torture test) can send 29, 27, ...

commit - ba714ce39272d4bc52ac0f792f0f086afe3a477e
commit + d55d6174ba3631ef9e11db86e54c11faae3c303c
blob - 15e1d100b7d8c226a577e0f08d39cb041580c777
blob + 554d7d628d8fa49811dccad343c5d53192a58725
--- gemini.c
+++ gemini.c
@@ -487,7 +487,7 @@ parse_reply(struct req *req)
 	imsg_compose(ibuf, IMSG_GOT_META, req->id, 0, -1, req->buf, len);
 	imsg_flush(ibuf);
 
-	if (code != 20)
+	if (20 <= code && code < 30)
 		close_conn(0, 0, req);
 	else
 		advance_buf(req, len+1); /* skip \n too */