Mercurial > prosody-modules
view mod_register_dnsbl_firewall_mark/mod_register_dnsbl_firewall_mark.lua @ 5648:c217f4edfc4f
misc/mtail: Start of an mtail config
Stashing it here in case anyone wants to continue working on it.
Currently it's only counting log messages by level.
Due to the permissions set by systemd on Prosody logs, mtail never
managed to start correctly until permissions were manually relaxed.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 17 Sep 2023 13:36:30 +0200 |
parents | de40686ae9c8 |
children |
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local adns = require "net.adns"; local rbl = module:get_option_string("registration_rbl"); local rbl_message = module:get_option_string("registration_rbl_message"); local st = require "util.stanza"; local function cleanup_ip(ip) if ip:sub(1,7):lower() == "::ffff:" then return ip:sub(8); end return ip; end local function reverse(ip, suffix) local a,b,c,d = ip:match("^(%d+).(%d+).(%d+).(%d+)$"); if not a then return end return ("%d.%d.%d.%d.%s"):format(d,c,b,a, suffix); end module:hook("user-registered", function (event) local session = event.session; local ip = session and session.ip and cleanup_ip(session.ip); local rbl_ip = ip and reverse(ip, rbl); if rbl_ip then local registration_time = os.time(); local log = session.log; adns.lookup(function (reply) if reply and reply[1] then log("warn", "Account %s@%s registered from IP %s found in RBL (%s)", event.username, event.host or module.host, ip, reply[1].a); local user = prosody.bare_sessions[event.username .. "@" .. module.host]; if user and user.firewall_marks then user.firewall_marks.dnsbl_hit = registration_time; else module:open_store("firewall_marks", "map"):set(event.username, "dnsbl_hit", registration_time); end if rbl_message then module:log("debug", "Warning RBL registered user %s@%s", event.username, event.host); event.ip = ip; local rbl_stanza = st.message({ to = event.username.."@"..event.host, from = event.host }, rbl_message:gsub("$(%w+)", event)); module:send(rbl_stanza); end end end, rbl_ip); end end);