Mercurial > prosody-modules

annotate mod_srvinjection/mod_srvinjection.lua @ 4609:fcfe691d6322

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_pubsub_summary: Use pre-escaped UTF-8 sequence for compat This silences a warning about using the non-existent global 'utf8' each time this line was hit. The utf8 library was introduced in Lua 5.3, so the warning would appear with 5.1 and 5.2.
author Kim Alvefur <zash@zash.se>
date Wed, 30 Jun 2021 15:53:49 +0200
parents 47fb4f36dacd
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
96
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
1
662
b3d130e4b3ae mod_srvinjection: Use module:set_global()
Florian Zeitz <florob@babelmonkeys.de>
parents: 337
diff changeset
2 module:set_global();
96
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
3
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
4 local adns = require "net.adns";
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
5
1248
69f7840923f5 mod_srvinjection: Make the map a shared table so that other plugins can use/modify it
daurnimator <quae@daurnimator.com>
parents: 662
diff changeset
6 local map_config = module:get_option("srvinjection") or {};
69f7840923f5 mod_srvinjection: Make the map a shared table so that other plugins can use/modify it
daurnimator <quae@daurnimator.com>
parents: 662
diff changeset
7 local map = module:shared "s2s_map"
96
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
8
1248
69f7840923f5 mod_srvinjection: Make the map a shared table so that other plugins can use/modify it
daurnimator <quae@daurnimator.com>
parents: 662
diff changeset
9 for host, mapping in pairs(map_config) do
96
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
10 if type(mapping) == "table" and type(mapping[1]) == "string" and (type(mapping[2]) == "number") then
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
11 local connecthost, connectport = mapping[1], mapping[2] or 5269;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
12 map[host] = {{
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
13 srv = {
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
14 target = connecthost..".";
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
15 port = connectport;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
16 priority = 1;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
17 weight = 0;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
18 };
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
19 }};
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
20 else
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
21 module:log("warn", "Ignoring invalid SRV injection for host '%s'", host);
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
22 map[host] = nil;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
23 end
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
24 end
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
25
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
26 local original_lookup = adns.lookup;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
27 function adns.lookup(handler, qname, qtype, qclass)
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
28 if qtype == "SRV" then
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
29 local host = qname:match("^_xmpp%-server%._tcp%.(.*)%.$");
337
beb5073b866a mod_srvinjection: Fix type in variable name.
Waqas Hussain <waqas20@gmail.com>
parents: 336
diff changeset
30 local mapping = map[host] or map["*"];
96
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
31 if mapping then
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
32 handler(mapping);
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
33 return;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
34 end
1592
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
35 elseif qtype == "A" then
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
36 if (qname == "localhost." or qname == "127.0.0.1.") then
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
37 handler({{ a = "127.0.0.1" }});
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
38 return;
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
39 end
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
40 local ip = qname:match("^(%d+.%d+.%d+.%d+).$");
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
41 if ip then
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
42 handler({{ a = ip }});
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
43 return;
47fb4f36dacd Add support for IPv4 addresses in SRV injections
Ashley Ward <ashley.ward@surevine.com>
parents: 1325
diff changeset
44 end
96
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
45 end
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
46 return original_lookup(handler, qname, qtype, qclass);
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
47 end
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
48
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
49 function module.unload()
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
50 adns.lookup = original_lookup;
c1f4edf3bea7 mod_srvinjection: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
51 end