Software / code / prosody-modules
Changeset
2889:7fb82481b3db
mod_register_dnsbl_warn: Copy mod_register_dnsbl
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Fri, 23 Feb 2018 21:50:47 +0100 |
| parents | 2888:59cc6f9e8e68 |
| children | 2890:6412595e2046 |
| files | mod_register_dnsbl_warn/README.markdown mod_register_dnsbl_warn/mod_register_dnsbl_warn.lua |
| diffstat | 2 files changed, 39 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mod_register_dnsbl_warn/README.markdown Fri Feb 23 21:50:47 2018 +0100 @@ -0,0 +1,14 @@ +Introduction +============ + +This module checks the IP address of newly registered users against a +DNS block list. If a positive match is found, it gets logged. + +Configuration +============= + + Option Type Default + ------------------- -------- ------------ + registration\_rbl string *Required* + +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mod_register_dnsbl_warn/mod_register_dnsbl_warn.lua Fri Feb 23 21:50:47 2018 +0100 @@ -0,0 +1,25 @@ +local adns = require "net.adns"; +local rbl = module:get_option_string("registration_rbl"); + +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 + +-- TODO async +-- module:hook("user-registering", function (event) end); + +module:hook("user-registered", function (event) + local session = event.session; + local ip = session and session.ip; + local rbl_ip = ip and reverse(ip, rbl); + if rbl_ip then + 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); + end + end, rbl_ip); + end +end);
