prosody
10d6d0d91f4e
plugins/mod_websocket.lua

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Software / code / prosody

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plugins/mod_websocket.lua @ 10581:10d6d0d91f4e 0.11 0.11.4

mod_websocket: Clear mask bit when reflecting ping frames (fixes #1484)
author Kim Alvefur <zash@zash.se>
date Thu, 02 Jan 2020 10:49:37 +0100
parent 10092:4b3c129e96f2
child 10582:6d4562acef81
child 10616:37936c72846d
line wrap: on
line diff
--- a/plugins/mod_websocket.lua	Tue Dec 31 02:50:25 2019 +0100
+++ b/plugins/mod_websocket.lua	Thu Jan 02 10:49:37 2020 +0100
@@ -236,6 +236,7 @@
 			return;
 		elseif opcode == 0x9 then -- Ping frame
 			frame.opcode = 0xA;
+			frame.MASK = false; -- Clients send masked frames, servers don't, see #1484
 			conn:write(build_frame(frame));
 			return "";
 		elseif opcode == 0xA then -- Pong frame, MAY be sent unsolicited, eg as keepalive