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Treat delta 0 WINDOW_UPDATE as error

This commit is contained in:
Tatsuhiro Tsujikawa 2014-07-31 21:22:15 +09:00
parent b8a2bf2675
commit c13329b328
1 changed files with 4 additions and 2 deletions
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6
lib/nghttp2_session.c
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@ -3732,7 +3732,8 @@ static int session_on_connection_window_update_received
{
int rv;
/* Handle connection-level flow control */
if(NGHTTP2_MAX_WINDOW_SIZE - frame->window_update.window_size_increment <
if(frame->window_update.window_size_increment == 0 ||
NGHTTP2_MAX_WINDOW_SIZE - frame->window_update.window_size_increment <
session->remote_window_size) {
return session_handle_invalid_connection
(session, frame, NGHTTP2_FLOW_CONTROL_ERROR, NULL);
@ -3771,7 +3772,8 @@ static int session_on_stream_window_update_received
(session, frame, NGHTTP2_PROTOCOL_ERROR,
"WINDOW_UPADATE to reserved stream");
}
if(NGHTTP2_MAX_WINDOW_SIZE - frame->window_update.window_size_increment <
if(frame->window_update.window_size_increment == 0 ||
NGHTTP2_MAX_WINDOW_SIZE - frame->window_update.window_size_increment <
stream->remote_window_size) {
return session_handle_invalid_stream(session, frame,
NGHTTP2_FLOW_CONTROL_ERROR);