view mod_register_dnsbl/mod_register_dnsbl.lua @ 6253:502963b86fbc

:multble modules: fix tab-> space diff --git a/mod_admin_blocklist/README.md b/mod_admin_blocklist/README.md --- a/mod_admin_blocklist/README.md +++ b/mod_admin_blocklist/README.md @@ -24,9 +24,9 @@ admin_blocklist_roles = { "prosody:opera # Compatibility Prosody-Version Status - -------------- ------ - trunk* Works - 13 Works - 0.12 Works + ------------ ------ + trunk* Works + 13 Works + 0.12 Works *as of 2025-06-13 diff --git a/mod_csi_grace_period/README.md b/mod_csi_grace_period/README.md --- a/mod_csi_grace_period/README.md +++ b/mod_csi_grace_period/README.md @@ -16,9 +16,9 @@ pocket is not the best use of radio time Works with [mod_csi_simple][doc:modules:mod_csi_simple] which is included with Prosody. - ------- ------- - trunk* Works - 13 Works - 0.12 Works + ------- ------- + trunk* Works + 13 Works + 0.12 Works *as of 2025-06-13 diff --git a/mod_http_upload_external/README.md b/mod_http_upload_external/README.md --- a/mod_http_upload_external/README.md +++ b/mod_http_upload_external/README.md @@ -87,10 +87,10 @@ Compatibility ============= Prosody-Version Status - ---------------- -------------------- - trunk Works as of 25-06-13 - 13 Works - 0.12 Works + ---------------- -------------------- + trunk Works as of 25-06-13 + 13 Works + 0.12 Works Implementation ============== diff --git a/mod_muc_moderation/README.md b/mod_muc_moderation/README.md --- a/mod_muc_moderation/README.md +++ b/mod_muc_moderation/README.md @@ -27,11 +27,10 @@ modules_enabled = { # Compatibility - ------- --------------- - trunk Works^[as of 2025-06-13] - 13 Works - 0.12 Works - ------- --------------- + ------- --------------- + trunk Works^[as of 2025-06-13] + 13 Works + 0.12 Works ## XEP version diff --git a/mod_s2s_idle_timeout/README.md b/mod_s2s_idle_timeout/README.md --- a/mod_s2s_idle_timeout/README.md +++ b/mod_s2s_idle_timeout/README.md @@ -25,10 +25,9 @@ Compatibility ============= Prosody Version Status - ----------------- ----------- - trunk[^1] Works - 13 Works - 0.12 Works - ----------------- ----------- + ----------------- ----------- + trunk[^1] Works + 13 Works + 0.12 Works [^1]: as of 2025-06-13 diff --git a/mod_s2s_keepalive/README.md b/mod_s2s_keepalive/README.md --- a/mod_s2s_keepalive/README.md +++ b/mod_s2s_keepalive/README.md @@ -34,10 +34,9 @@ Compatibility ============= Prosody Version Status - ----------------- ----------- - trunk[^1] Works - 13 Works - 0.12 Works - ----------------- ----------- + ----------------- ----------- + trunk[^1] Works + 13 Works + 0.12 Works [^1]: as of 2025-06-13
author Menel <menel@snikket.de>
date Fri, 13 Jun 2025 09:58:51 +0200
parents 82482e7e92cb
children
line wrap: on
line source

local adns = require "net.adns";
local async = require "util.async";
local inet_pton = require "util.net".pton;
local to_hex = require "util.hex".to;

local rbl = module:get_option_string("registration_rbl");

local function reverse(ip, suffix)
	local n, err = inet_pton(ip);
	if not n then return n, err end
	if #n == 4 then
		local a,b,c,d = n:byte(1,4);
		return ("%d.%d.%d.%d.%s"):format(d,c,b,a, suffix);
	elseif #n == 16 then
		return to_hex(n):reverse():gsub("%x", "%1.") .. suffix;
	end
end

module:hook("user-registering", function (event)
	local session, ip = event.session, event.ip;
	local log = (session and session.log) or module._log;
	if not ip then
		log("debug", "Unable to check DNSBL when IP is unknown");
		return;
	end
	local rbl_ip, err = reverse(ip, rbl);
	if not rbl_ip then
		log("debug", "Unable to check DNSBL for ip %s: %s", ip, err);
		return;
	end

	local wait, done = async.waiter();
	adns.lookup(function (reply)
		if reply and reply[1] and reply[1].a then
			log("debug", "DNSBL response: %s IN A %s", rbl_ip, reply[1].a);
			log("info", "Blocking %s from registering %s (dnsbl hit)", ip, event.username);
			event.allowed = false;
			event.reason = "Blocked by DNSBL";
		end
		done();
	end, rbl_ip);
	wait();
end);