prosody-modules
47b9053dba38
mod_host_guard/mod_host_guard.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody-modules

Annotate

mod_host_guard/mod_host_guard.lua @ 533:47b9053dba38

mod_host_guard: replaced prosody.events.add_handler with module:hook.
author Marco Cirillo <maranda@lightwitch.org>
date Sun, 08 Jan 2012 03:51:16 +0000
parent 528:1737c08fde30
child 537:50be30f203f3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
493
b1b80319bbf6 mod_host_guard: renamed mod_component_guard to mod_host_guard, as it really works with all hosts, finally decided to wiki it out and not merge it with the s2s_blackwhitelisting module.
Marco Cirillo <maranda@lightwitch.org>
parents: 460
diff changeset
1 -- (C) 2011, Marco Cirillo (LW.Org)
519
219ffe3541ff mod_host_guard: updated banner.
Marco Cirillo <maranda@lightwitch.org>
parents: 515
diff changeset
2 -- Block or restrict by blacklist remote access to local components or hosts.
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
3
460
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
4 module:set_global()
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
5
493
b1b80319bbf6 mod_host_guard: renamed mod_component_guard to mod_host_guard, as it really works with all hosts, finally decided to wiki it out and not merge it with the s2s_blackwhitelisting module.
Marco Cirillo <maranda@lightwitch.org>
parents: 460
diff changeset
6 local guard_blockall = module:get_option_set("host_guard_blockall", {})
515
e98fe28c50b0 mod_host_guard: added exceptions/whitelisting to the blockall logic (makes little sense otherwise has s2s_disallow = true does the same)
Marco Cirillo <maranda@lightwitch.org>
parents: 494
diff changeset
7 local guard_ball_wl = module:get_option_set("host_guard_blockall_exceptions", {})
493
b1b80319bbf6 mod_host_guard: renamed mod_component_guard to mod_host_guard, as it really works with all hosts, finally decided to wiki it out and not merge it with the s2s_blackwhitelisting module.
Marco Cirillo <maranda@lightwitch.org>
parents: 460
diff changeset
8 local guard_protect = module:get_option_set("host_guard_selective", {})
b1b80319bbf6 mod_host_guard: renamed mod_component_guard to mod_host_guard, as it really works with all hosts, finally decided to wiki it out and not merge it with the s2s_blackwhitelisting module.
Marco Cirillo <maranda@lightwitch.org>
parents: 460
diff changeset
9 local guard_block_bl = module:get_option_set("host_guard_blacklist", {})
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
10
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
11 local s2smanager = require "core.s2smanager"
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
12 local config = require "core.configmanager"
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
13 local nameprep = require "util.encodings".stringprep.nameprep
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
14
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
15 local _make_connect = s2smanager.make_connect
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
16 function s2smanager.make_connect(session, connect_host, connect_port)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
17 if not session.s2sValidation then
515
e98fe28c50b0 mod_host_guard: added exceptions/whitelisting to the blockall logic (makes little sense otherwise has s2s_disallow = true does the same)
Marco Cirillo <maranda@lightwitch.org>
parents: 494
diff changeset
18 if guard_blockall:contains(session.from_host) and not guard_ball_wl:contains(session.to_host) or
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
19 guard_block_bl:contains(session.to_host) and guard_protect:contains(session.from_host) then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
20 module:log("error", "remote service %s attempted to access restricted host %s", session.to_host, session.from_host)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
21 s2smanager.destroy_session(session, "You're not authorized, good bye.")
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
22 return false;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
23 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
24 end
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
25 return _make_connect(session, connect_host, connect_port)
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
26 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
27
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
28 local _stream_opened = s2smanager.streamopened
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
29 function s2smanager.streamopened(session, attr)
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
30 local host = attr.to and nameprep(attr.to)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
31 local from = attr.from and nameprep(attr.from)
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
32 if not from then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
33 session.s2sValidation = false
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
34 else
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
35 session.s2sValidation = true
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
36 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
37
515
e98fe28c50b0 mod_host_guard: added exceptions/whitelisting to the blockall logic (makes little sense otherwise has s2s_disallow = true does the same)
Marco Cirillo <maranda@lightwitch.org>
parents: 494
diff changeset
38 if guard_blockall:contains(host) and not guard_ball_wl:contains(from) or
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
39 guard_block_bl:contains(from) and guard_protect:contains(host) then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
40 module:log("error", "remote service %s attempted to access restricted host %s", from, host)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
41 session:close({condition = "policy-violation", text = "You're not authorized, good bye."})
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
42 return false;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
43 end
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
44 _stream_opened(session, attr)
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
45 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
46
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
47 local function sdr_hook (event)
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
48 local origin, stanza = event.origin, event.stanza
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
49
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
50 if origin.type == "s2sin" or origin.type == "s2sin_unauthed" then
515
e98fe28c50b0 mod_host_guard: added exceptions/whitelisting to the blockall logic (makes little sense otherwise has s2s_disallow = true does the same)
Marco Cirillo <maranda@lightwitch.org>
parents: 494
diff changeset
51 if guard_blockall:contains(stanza.attr.to) and not guard_ball_wl:contains(stanza.attr.from) or
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
52 guard_block_bl:contains(stanza.attr.from) and guard_protect:contains(stanza.attr.to) then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
53 module:log("error", "remote service %s attempted to access restricted host %s", stanza.attr.from, stanza.attr.to)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
54 origin:close({condition = "policy-violation", text = "You're not authorized, good bye."})
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
55 return false
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
56 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
57 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
58
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
59 return nil
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
60 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
61
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
62 local function handle_activation (host)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
63 if guard_blockall:contains(host) or guard_protect:contains(host) then
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
64 if hosts[host] and hosts[host].events then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
65 hosts[host].events.add_handler("stanza/jabber:server:dialback:result", sdr_hook, 100)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
66 module:log ("debug", "adding host protection for: "..host)
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
67 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
68 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
69 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
70
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
71 local function handle_deactivation (host)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
72 if guard_blockall:contains(host) or guard_protect:contains(host) then
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
73 if hosts[host] and hosts[host].events then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
74 hosts[host].events.remove_handler("stanza/jabber:server:dialback:result", sdr_hook)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
75 module:log ("debug", "removing host protection for: "..host)
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
76 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
77 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
78 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
79
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
80 local function reload()
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
81 module:log ("debug", "server configuration reloaded, rehashing plugin tables...")
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
82 guard_blockall = module:get_option_set("host_guard_blockall", {})
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
83 guard_ball_wl = module:get_option_set("host_guard_blockall_exceptions", {})
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
84 guard_protect = module:get_option_set("host_guard_components", {})
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
85 guard_block_bl = module:get_option_set("host_guard_blacklist", {})
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
86 end
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
87
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
88 local function setup()
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
89 module:log ("debug", "initializing host guard module...")
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
90
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
91 module:hook ("component-activated", handle_activation)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
92 module:hook ("component-deactivated", handle_deactivation)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
93 module:hook ("config-reloaded", reload)
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
94
460
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
95 for n,table in pairs(hosts) do
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
96 if table.type == "component" then
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
97 if guard_blockall:contains(n) or guard_protect:contains(n) then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
98 hosts[n].events.remove_handler("stanza/jabber:server:dialback:result", sdr_hook)
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
99 handle_activation(n)
460
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
100 end
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
101 end
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
102 end
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
103 end
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
104
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
105 if prosody.start_time then
528
1737c08fde30 mod_host_guard: stick to one code "punctuation" style.
Marco Cirillo <maranda@lightwitch.org>
parents: 519
diff changeset
106 setup()
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
107 else
533
47b9053dba38 mod_host_guard: replaced prosody.events.add_handler with module:hook.
Marco Cirillo <maranda@lightwitch.org>
parents: 528
diff changeset
108 module:hook ("server-started", setup)
458
4149fcacbbf1 mod_component_guard: refactored init code, added reloading logic to prevent events pollution with stale dupes.
Marco Cirillo <maranda@lightwitch.org>
parents: 457
diff changeset
109 end