prosody-modules
46e807dff445
mod_checkcerts/mod_checkcerts.lua

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

Software / code / prosody-modules

Annotate

mod_checkcerts/mod_checkcerts.lua @ 911:46e807dff445

mod_incidents_handling: still needs some work to be actually functional, backing it out until it's ready.
author Marco Cirillo <maranda@lightwitch.org>
date Sun, 17 Feb 2013 07:30:57 +0100
parent 855:1983d4d51e1a
child 941:a6c2345bcf87
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 local ssl = require"ssl";
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
2 local load_cert = ssl.x509 and ssl.x509.load
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
3 or ssl.cert_from_pem; -- COMPAT mw/luasec-hg
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
4
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
5 if not load_cert then
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
6 module:log("error", "This version of LuaSec (%s) does not support certificate checking", ssl._VERSION);
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 return
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 end
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10 local function check_certs_validity()
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
11 -- First, let's find out what certificate this host uses.
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local ssl_config = config.rawget(module.host, "core", "ssl");
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 if not ssl_config then
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14 local base_host = module.host:match("%.(.*)");
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
15 ssl_config = config.get(base_host, "core", "ssl");
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
16 end
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
17
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
18 if ssl_config.certificate then
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 local certfile = ssl_config.certificate;
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 local cert;
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
21
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
22 local fh = io.open(certfile); -- Load the file.
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 cert = fh and fh:read"*a";
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
24 fh:close();
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
25 cert = cert and load_cert(cert); -- And parse
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 if not cert then return end
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
27 -- No error reporting, certmanager should complain already
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
29 local now = os.time();
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
30 local valid_at = cert.valid_at or cert.validat;
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
31 if not valid_at then return end -- Broken or uncommon LuaSec version?
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
32
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
33 -- This might be wrong if the certificate has NotBefore in the future.
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
34 -- However this is unlikely to happen in the wild.
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
35 if not valid_at(cert, now) then
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36 module:log("warn", "The certificate %s has expired", certfile);
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
37 elseif not valid_at(cert, now+86400*7) then
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 module:log("warn", "The certificate %s will expire this week", certfile);
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
39 elseif not valid_at(cert, now+86400*30) then
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 module:log("info", "The certificate %s will expire later this month", certfile);
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41 end
855
1983d4d51e1a mod_checkcerts: Improve, add comments, add forward compatibility.
Kim Alvefur <zash@zash.se>
parents: 667
diff changeset
42 -- TODO Maybe notify admins
667
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 end
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 end
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 module.load = check_certs_validity;
ea9941812721 mod_checkcerts: New module that logs a warning when your cert is about to expire.
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 module:hook_global("config-reloaded", check_certs_validity);