Mercurial > prosody-modules
annotate mod_register_dnsbl_warn/mod_register_dnsbl_warn.lua @ 4976:75b6e5df65f9
various: Improve error reporting if missing file server module on 0.12
If there is some error loading net.http.files then it would be swallowed
by the pcall and then it would proceed to trying mod_http_files, which
might cause unexpected behavior on 0.12
Ref #1765
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 18 Jul 2022 22:47:54 +0200 |
parents | 76036fa34055 |
children |
rev | line source |
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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>
parents:
diff
changeset
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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>
parents:
diff
changeset
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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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
3 |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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4 local function reverse(ip, suffix) |
3993
76036fa34055
mod_register_dnsbl_*: fix DS legacy ipv4 addresses, thx Zash
Georg Lukas <georg@op-co.de>
parents:
2889
diff
changeset
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5 if ip:sub(1,7):lower() == "::ffff:" then |
76036fa34055
mod_register_dnsbl_*: fix DS legacy ipv4 addresses, thx Zash
Georg Lukas <georg@op-co.de>
parents:
2889
diff
changeset
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6 ip = ip:sub(8); |
76036fa34055
mod_register_dnsbl_*: fix DS legacy ipv4 addresses, thx Zash
Georg Lukas <georg@op-co.de>
parents:
2889
diff
changeset
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7 end |
2135
42b095dab626
mod_register_dnsbl: Fix matching pattern (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents:
2112
diff
changeset
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8 local a,b,c,d = ip:match("^(%d+).(%d+).(%d+).(%d+)$"); |
2112
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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9 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>
parents:
diff
changeset
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10 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>
parents:
diff
changeset
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11 end |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
12 |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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13 -- TODO async |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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14 -- module:hook("user-registering", function (event) end); |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
15 |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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16 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>
parents:
diff
changeset
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17 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>
parents:
diff
changeset
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18 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:
diff
changeset
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19 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
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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20 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>
parents:
diff
changeset
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21 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>
parents:
diff
changeset
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22 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>
parents:
diff
changeset
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23 if reply and reply[1] then |
2203
2dcc3079572c
mod_register_dnsbl: Include more information in log message
Kim Alvefur <zash@zash.se>
parents:
2135
diff
changeset
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24 log("warn", "Account %s@%s registered from IP %s found in RBL (%s)", event.username, event.host or module.host, ip, reply[1].a); |
2112
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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25 end |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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26 end, rbl_ip); |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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27 end |
0890c4860f14
mod_register_dnsbl: Initial commit of module to check users registering against an DNS block list
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
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28 end); |