From 132f2ececc012cf4744ca5b8044fb637fed96a0c Mon Sep 17 00:00:00 2001
From: Julian Maingot <julianmaingot@gmail.com>
Date: Sat, 30 Jul 2022 17:24:36 -0700
Subject: [PATCH] notify clients about malformed requests

I think this has been broken for a while and I came across it while
implementing my own client. The server should notify the client that the
request is malformed but wasn't sending the response when SSL_read
returned SSL_ERROR_WANT_READ.
---
 src/server.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/server.c b/src/server.c
index e199f6f..56e11c9 100644
--- a/src/server.c
+++ b/src/server.c
@@ -345,7 +345,10 @@ client_readable(struct gmnisrv_server *server, struct gmnisrv_client *client)
 		switch (e) {
 		case SSL_ERROR_WANT_READ:
 		case SSL_ERROR_WANT_WRITE:
-			goto queue_ssl_write;
+                        if (client->bufln == 0) {
+                                goto queue_ssl_write;
+                        }
+                        // intentional fallthrough
 		default:
 			client_submit_response(client,
 				GEMINI_STATUS_BAD_REQUEST, error, NULL);