Mercurial > prosody-modules
view mod_s2s_blacklist/mod_s2s_blacklist.lua @ 3634:915e32d5a147
mod_smacks: fix bug for missbehaving clients sending multiple acks in a row
Missbehaving clients, sending multiple acks in a row (I'm looking at you Monal!)
triggered the ack-loop-prevention code added in 2017, leaving unacked stanzas
in the queue. This fixes the bug while still preventing ack-loops.
author | tmolitor <thilo@eightysoft.de> |
---|---|
date | Tue, 30 Jul 2019 02:07:13 +0200 (2019-07-30) |
parents | d958558e0058 |
children |
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local st = require "util.stanza"; local blacklist = module:get_option_inherited_set("s2s_blacklist", {}); module:hook("route/remote", function (event) if blacklist:contains(event.to_host) then if event.stanza.attr.type ~= "error" then module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted")); end return true; end end, 100); module:hook("s2s-stream-features", function (event) if blacklist:contains(event.origin.from_host) then event.origin:close({ condition = "policy-violation"; text = "Communication with this domain is restricted"; }); end end, 1000);