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prosody
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util/stanza.lua @ 10445:f53c03ab4357
util.stanza: Check that argument to error_reply is NOT a stanza of type error
Replying to an error is Very Bad
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 25 Nov 2019 20:52:03 +0100 |
parent | 10444:4eab1f5a4f3b |
child | 10446:5c2d1b13537c |
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--- a/util/stanza.lua Mon Nov 25 20:52:01 2019 +0100 +++ b/util/stanza.lua Mon Nov 25 20:52:03 2019 +0100 @@ -450,6 +450,8 @@ local function error_reply(orig, error_type, condition, error_message) if not is_stanza(orig) then error("bad argument to error_reply: expected stanza, got "..type(orig)); + elseif orig.attr.type == "error" then + error("bad argument to error_reply: got stanza of type error which must not be replied to"); end local t = reply(orig); t.attr.type = "error";