annotate mod_s2s_whitelist/mod_s2s_whitelist.lua @ 5906:cc30c4b5f006

mod_audit_auth: Allow suppressing repeated failure/success log entries from the same IP for a time This can be triggered by e.g. a distributed brute force attack, or from Monal.
author Matthew Wild <mwild1@gmail.com>
date Mon, 13 May 2024 18:30:18 +0100
parents c1a8ce147885
children
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c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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1 local st = require "util.stanza";
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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2
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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3 local whitelist = module:get_option_inherited_set("s2s_whitelist", {});
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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4
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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5 module:hook("route/remote", function (event)
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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6 if not whitelist:contains(event.to_host) then
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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7 module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted"));
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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8 return true;
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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9 end
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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10 end, 100);
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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11
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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12 module:hook("s2s-stream-features", function (event)
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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13 if not whitelist:contains(event.origin.from_host) then
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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14 event.origin:close({
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
parents:
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15 condition = "policy-violation";
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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16 text = "Communication with this domain is restricted";
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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17 });
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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18 end
c1a8ce147885 mod_s2s_whitelist: The opposite of mod_s2s_blacklist
Kim Alvefur <zash@zash.se>
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19 end, 1000);