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annotate mod_register_dnsbl_warn/mod_register_dnsbl_warn.lua @ 3768:bfc4d495bf2c

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mod_s2s_keepalive: Update README to document timeout behavior
author Kim Alvefur <zash@zash.se>
date Sat, 21 Dec 2019 18:50:36 +0100
parents 7fb82481b3db
children 76036fa34055
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0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
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1 local adns = require "net.adns";
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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2 local rbl = module:get_option_string("registration_rbl");
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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3
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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4 local function reverse(ip, suffix)
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42b095dab626 mod_register_dnsbl: Fix matching pattern (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 2112
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5 local a,b,c,d = ip:match("^(%d+).(%d+).(%d+).(%d+)$");
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0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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6 if not a then return end
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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7 return ("%d.%d.%d.%d.%s"):format(d,c,b,a, suffix);
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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8 end
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9
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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10 -- TODO async
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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11 -- module:hook("user-registering", function (event) end);
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0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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13 module:hook("user-registered", function (event)
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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14 local session = event.session;
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
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15 local ip = session and session.ip;
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
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16 local rbl_ip = ip and reverse(ip, rbl);
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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17 if rbl_ip then
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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18 local log = session.log;
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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19 adns.lookup(function (reply)
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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20 if reply and reply[1] then
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2dcc3079572c mod_register_dnsbl: Include more information in log message
Kim Alvefur <zash@zash.se>
parents: 2135
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21 log("warn", "Account %s@%s registered from IP %s found in RBL (%s)", event.username, event.host or module.host, ip, reply[1].a);
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22 end
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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23 end, rbl_ip);
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24 end
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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25 end);