prosody-modules
376c4a90249c
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 @ 494:376c4a90249c

mod_host_guard: minor fix.
author Marco Cirillo <maranda@lightwitch.org>
date Sun, 04 Dec 2011 15:57:01 +0000
parent 493:b1b80319bbf6
child 515:e98fe28c50b0
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)
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
2 -- Block or restrict by blacklist remote access to local components.
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", {})
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
7 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
8 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
9
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
10 local s2smanager = require "core.s2smanager";
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
11 local config = require "core.configmanager";
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
12 local nameprep = require "util.encodings".stringprep.nameprep;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
13
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
14 local _make_connect = s2smanager.make_connect;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
15 function s2smanager.make_connect(session, connect_host, connect_port)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
16 if not session.s2sValidation then
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
17 if guard_blockall:contains(session.from_host) or
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
18 guard_block_bl:contains(session.to_host) and guard_protect:contains(session.from_host) then
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
19 module:log("error", "remote service %s attempted to access restricted host %s", session.to_host, session.from_host);
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
20 s2smanager.destroy_session(session, "You're not authorized, good bye.");
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
21 return false;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
22 end
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 return _make_connect(session, connect_host, connect_port);
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
25 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
26
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
27 local _stream_opened = s2smanager.streamopened;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
28 function s2smanager.streamopened(session, attr)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
29 local host = attr.to and nameprep(attr.to);
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
30 local from = attr.from and nameprep(attr.from);
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
31 if not from then
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
32 session.s2sValidation = false;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
33 else
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
34 session.s2sValidation = true;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
35 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
36
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
37 if guard_blockall:contains(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
38 guard_block_bl:contains(from) and guard_protect:contains(host) then
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
39 module:log("error", "remote service %s attempted to access restricted host %s", from, host);
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
40 session:close({condition = "policy-violation", text = "You're not authorized, good bye."});
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
41 return false;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
42 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
43 _stream_opened(session, attr);
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
44 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
45
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
46 local function sdr_hook (event)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
47 local origin, stanza = event.origin, event.stanza;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
48
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
49 if origin.type == "s2sin" or origin.type == "s2sin_unauthed" then
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
50 if guard_blockall:contains(stanza.attr.to) or
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
51 guard_block_bl:contains(stanza.attr.from) and guard_protect:contains(stanza.attr.to) then
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
52 module:log("error", "remote service %s attempted to access restricted host %s", stanza.attr.from, stanza.attr.to);
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
53 origin:close({condition = "policy-violation", text = "You're not authorized, good bye."});
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
54 return false;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
55 end
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
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
58 return nil;
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
59 end
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
60
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
61 local function handle_activation (host)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
62 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
63 if hosts[host] and hosts[host].events then
457
79ba4f95d65c mod_component_guard: missing hook priority.
Marco Cirillo <maranda@lightwitch.org>
parents: 456
diff changeset
64 hosts[host].events.add_handler("stanza/jabber:server:dialback:result", sdr_hook, 100);
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
65 module:log ("debug", "adding host protection for: "..host);
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
66 end
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
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
70 local function handle_deactivation (host)
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
71 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
72 if hosts[host] and hosts[host].events then
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
73 hosts[host].events.remove_handler("stanza/jabber:server:dialback:result", sdr_hook);
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
74 module:log ("debug", "removing host protection for: "..host);
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
75 end
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
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
79 local function reload()
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 module:log ("debug", "server configuration reloaded, rehashing plugin tables...");
494
376c4a90249c mod_host_guard: minor fix.
Marco Cirillo <maranda@lightwitch.org>
parents: 493
diff changeset
81 guard_blockall = module:get_option_set("host_guard_blockall", {});
376c4a90249c mod_host_guard: minor fix.
Marco Cirillo <maranda@lightwitch.org>
parents: 493
diff changeset
82 guard_protect = module:get_option_set("host_guard_components", {});
376c4a90249c mod_host_guard: minor fix.
Marco Cirillo <maranda@lightwitch.org>
parents: 493
diff changeset
83 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
84 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
85
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 local function setup()
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
87 module:log ("debug", "initializing host guard module...");
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
88
460
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
89 module:hook ("component-activated", handle_activation);
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
90 module:hook ("component-deactivated", handle_deactivation);
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
91 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
92
460
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
93 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
94 if table.type == "component" then
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
95 if guard_blockall:contains(n) or guard_protect:contains(n) then
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
96 hosts[n].events.remove_handler("stanza/jabber:server:dialback:result", sdr_hook);
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
97 handle_activation(n);
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
98 end
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
99 end
9bb9343f3c7a mod_component_guard: made module global, refactored init.
Marco Cirillo <maranda@lightwitch.org>
parents: 459
diff changeset
100 end
456
73f06a14390a mod_component_guard: initial commit.
Marco Cirillo <maranda@lightwitch.org>
parents:
diff changeset
101 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
102
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
103 if prosody.start_time then
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 setup();
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 else
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
106 prosody.events.add_handler("server-started", setup);
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 end