annotate mod_watchuntrusted/mod_watchuntrusted.lua @ 2494:d300ae5dba87

mod_smacks: Fix some bugs with smacks-ack-delayed event triggering. The old code had several flaws which are addressed here. First of all this fixes the if statement guarding the event generation There where some timing glitches addressed by this commit as well.
author tmolitor <thilo@eightysoft.de>
date Sun, 12 Feb 2017 21:23:22 +0100
parents dd1f0173f538
children 9a3e51f348fe
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1188
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
1 local jid_prep = require "util.jid".prep;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
2
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
3 local secure_auth = module:get_option_boolean("s2s_secure_auth", false);
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
4 local secure_domains, insecure_domains =
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
5 module:get_option_set("s2s_secure_domains", {})._items, module:get_option_set("s2s_insecure_domains", {})._items;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
6
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
7 local untrusted_fail_watchers = module:get_option_set("untrusted_fail_watchers", module:get_option("admins", {})) / jid_prep;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
8 local untrusted_fail_notification = module:get_option("untrusted_fail_notification", "Establishing a secure connection from $from_host to $to_host failed. Certificate hash: $sha1. $errors");
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
9
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
10 local st = require "util.stanza";
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
11
1675
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
12 local notified_about_already = { };
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
13
1188
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
14 module:hook_global("s2s-check-certificate", function (event)
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
15 local session, host = event.session, event.host;
1693
2328cbc41045 mod_watchuntrusted: Skip connections to/from unknown hosts (fixes possible traceback)
Kim Alvefur <zash@zash.se>
parents: 1675
diff changeset
16 if not host then return end
1188
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
17 local conn = session.conn:socket();
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
18 local local_host = session.direction == "outgoing" and session.from_host or session.to_host;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
19
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
20 if not (local_host == module:get_host()) then return end
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
21
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
22 module:log("debug", "Checking certificate...");
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
23 local must_secure = secure_auth;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
24
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
25 if not must_secure and secure_domains[host] then
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
26 must_secure = true;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
27 elseif must_secure and insecure_domains[host] then
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
28 must_secure = false;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
29 end
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
30
1675
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
31 if must_secure and (session.cert_chain_status ~= "valid" or session.cert_identity_status ~= "valid") and not notified_about_already[host] then
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
32 notified_about_already[host] = os.time();
1188
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
33 local _, errors = conn:getpeerverification();
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
34 local error_message = "";
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
35
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
36 for depth, t in pairs(errors or {}) do
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
37 if #t > 0 then
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
38 error_message = error_message .. "Error with certificate " .. (depth - 1) .. ": " .. table.concat(t, ", ") .. ". ";
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
39 end
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
40 end
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
41
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
42 if session.cert_identity_status then
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
43 error_message = error_message .. "This certificate is " .. session.cert_identity_status .. " for " .. host .. ".";
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
44 end
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
45
1878
7f96183a60ce mod_watchuntrusted: Add support for SHA-256 hash in message
Kim Alvefur <zash@zash.se>
parents: 1877
diff changeset
46 local replacements = {
1926
4c4a4191b825 mod_watchuntrusted: Add a fallback string as hash if no certificate was provided
Kim Alvefur <zash@zash.se>
parents: 1878
diff changeset
47 sha1 = event.cert and event.cert:digest("sha1") or "(No certificate)",
4c4a4191b825 mod_watchuntrusted: Add a fallback string as hash if no certificate was provided
Kim Alvefur <zash@zash.se>
parents: 1878
diff changeset
48 sha256 = event.cert and event.cert:digest("sha256") or "(No certificate)",
1878
7f96183a60ce mod_watchuntrusted: Add support for SHA-256 hash in message
Kim Alvefur <zash@zash.se>
parents: 1877
diff changeset
49 errors = error_message
7f96183a60ce mod_watchuntrusted: Add support for SHA-256 hash in message
Kim Alvefur <zash@zash.se>
parents: 1877
diff changeset
50 };
1188
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
51
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
52 local message = st.message{ type = "chat", from = local_host }
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
53 :tag("body")
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
54 :text(untrusted_fail_notification:gsub("%$([%w_]+)", function (v)
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
55 return event[v] or session and session[v] or replacements and replacements[v] or nil;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
56 end));
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
57 for jid in untrusted_fail_watchers do
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
58 module:log("debug", "Notifying %s", jid);
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
59 message.attr.to = jid;
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
60 module:send(message);
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
61 end
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
62 end
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
63 end, -0.5);
5eaecb7f680d mod_watchuntrusted: New module that will warn admins about s2s connections that fail due to lack of encryption or invalid certificates.
Thijs Alkemade <me@thijsalkema.de>
parents:
diff changeset
64
1675
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
65 module:add_timer(14400, function (now)
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
66 for host, time in pairs(notified_about_already) do
2346
dd1f0173f538 mod_watchuntrusted: Fix backwards time comparison
Kim Alvefur <zash@zash.se>
parents: 1926
diff changeset
67 if time + 86400 < now then
1675
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
68 notified_about_already[host] = nil;
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
69 end
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
70 end
1877
055b39c08fd0 mod_watchuntrusted: Fix periodic cleanup to run more than once
Kim Alvefur <zash@zash.se>
parents: 1693
diff changeset
71 return 14400;
1675
116488cced16 mod_watchuntrusted: Only notify once per host per day
Kim Alvefur <zash@zash.se>
parents: 1188
diff changeset
72 end)