prosody-modules
0890c4860f14
mod_register_dnsbl/mod_register_dnsbl.lua

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mod_register_dnsbl/mod_register_dnsbl.lua @ 2112:0890c4860f14

mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
author Kim Alvefur <zash@zash.se>
date Thu, 17 Mar 2016 13:05:38 +0100
child 2135:42b095dab626
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2112
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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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)
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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5 local a,b,c,d = ip:match("^(%d+%).(%d+%).(%d+%).(%d+%)$");
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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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
Kim Alvefur <zash@zash.se>
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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);
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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12
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
Kim Alvefur <zash@zash.se>
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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>
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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
Kim Alvefur <zash@zash.se>
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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
Kim Alvefur <zash@zash.se>
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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
Kim Alvefur <zash@zash.se>
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20 if reply and reply[1] then
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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21 log("warn", "Registration from IP %s found in RBL", ip);
0890c4860f14 mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
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22 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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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);