libmicrohttpd

commit cb5332ab4328374822f3051e6effbfac1f03b815
parent 4e01fd656aba4156d63e5a33e671dcfa8d8a8783
Author: Evgeny Grin (Karlson2k) <k2k@narod.ru>
Date:   Wed, 29 Sep 2021 17:30:15 +0300

transmit_error_response(): avoid double sending of error responses

Diffstat:
M
src/microhttpd/connection.c
 | 
8
++++++++

1 file changed, 8 insertions(+), 0 deletions(-)
diff --git a/src/microhttpd/connection.c b/src/microhttpd/connection.c
@@ -2200,6 +2200,14 @@ transmit_error_response_len (struct MHD_Connection *connection,
   struct MHD_Response *response;
   enum MHD_Result iret;
 
+  mhd_assert (! connection->stop_with_error); /* Send error one time only */
+  if (connection->stop_with_error)
+  { /* Should not happen */
+    if (MHD_CONNECTION_CLOSED > connection->state)
+      connection->state = MHD_CONNECTION_CLOSED;
+
+    return;
+  }
   connection->stop_with_error = true;
   /* TODO: remove when special error queue function is implemented */
   connection->state = MHD_CONNECTION_FULL_REQ_RECEIVED;