From 3c0924eee1130bdcec884e58cc2e04efdb54afb2 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Thu, 17 Sep 2020 16:42:14 +0100 Subject: mod_websocket: Add separate limit for frame buffer size --- plugins/mod_websocket.lua | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/plugins/mod_websocket.lua b/plugins/mod_websocket.lua index d3b035db..53a1d452 100644 --- a/plugins/mod_websocket.lua +++ b/plugins/mod_websocket.lua @@ -29,6 +29,7 @@ local parse_close = websocket_frames.parse_close; local t_concat = table.concat; local stanza_size_limit = module:get_option_number("c2s_stanza_size_limit", 10 * 1024 * 1024); +local frame_buffer_limit = module:get_option_number("websocket_frame_buffer_limit", 2 * stanza_size_limit); local frame_fragment_limit = module:get_option_number("websocket_frame_fragment_limit", 8); local stream_close_timeout = module:get_option_number("c2s_close_timeout", 5); local consider_websocket_secure = module:get_option_boolean("consider_websocket_secure"); @@ -272,8 +273,7 @@ function handle_request(event) session.open_stream = session_open_stream; session.close = session_close; - -- max frame header is 22 bytes - local frameBuffer = dbuffer.new(stanza_size_limit + 22, frame_fragment_limit); + local frameBuffer = dbuffer.new(frame_buffer_limit, frame_fragment_limit); add_filter(session, "bytes/in", function(data) if not frameBuffer:write(data) then session.log("warn", "websocket frame buffer full - terminating session"); -- cgit v1.2.3