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annotate mod_host_blacklist/mod_host_blacklist.lua @ 3772:22f02716819f

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mod_s2s_keepalive: Isolate source host of pings The incoming_s2s table is not restricted to the current virtualhost so this prevents opening more connections than what's needed. Also prevents useless double sending of one whitespace per local host.
author Kim Alvefur <zash@zash.se>
date Mon, 23 Dec 2019 01:18:02 +0100
parents 547b3c05cc06
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1180
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
1 local jid_split = require "util.jid".split;
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
2 local st = require "util.stanza";
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
3 local set = require "util.set";
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
4 local select = select;
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
5
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
6 local blacklist = module:get_option_inherited_set("host_blacklist", {});
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
7
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
8 local function stanza_checker(attr)
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
9 return function (event)
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005b0429cf46 mod_host_blacklist: Small fix
Matthew Wild <mwild1@gmail.com>
parents: 1180
diff changeset
10 local host = select(2, jid_split(event.stanza.attr[attr]));
1180
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
11 if blacklist:contains(host) then
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
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12 module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted"));
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547b3c05cc06 mod_host_blacklist: Bigger fix: return true to block original stanza (thanks Zash)
Matthew Wild <mwild1@gmail.com>
parents: 1181
diff changeset
13 return true;
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513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 end
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
15 end
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
16 end
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
17
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
18 check_incoming_stanza = stanza_checker("from");
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
19 check_outgoing_stanza = stanza_checker("to");
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
20
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
21 for stanza_type in set.new{"presence","message","iq"}:items() do
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
22 for jid_type in set.new{"bare", "full", "host"}:items() do
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
23 module:hook("pre-"..stanza_type.."/"..jid_type, check_outgoing_stanza, 500);
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
24 module:hook(stanza_type.."/"..jid_type, check_incoming_stanza, 500);
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
25 end
513aa2e0c045 mod_host_blacklist: Similar to mod_s2s_blacklist, but stanza-based. Works between hosts on the same server, at a slight performance impact.
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
26 end