2 -- Copyright (C) 2008-2010 Matthew Wild
3 -- Copyright (C) 2008-2010 Waqas Hussain
5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information.
9 local configmanager = require "core.configmanager";
10 local log = require "util.logger".init("certmanager");
12 local ssl_newcontext = ssl and ssl.newcontext;
14 local setmetatable, tostring = setmetatable, tostring;
16 local prosody = prosody;
17 local resolve_path = configmanager.resolve_relative_path;
18 local config_path = prosody.paths.config;
22 -- Global SSL options if not overridden per-host
23 local default_ssl_config = configmanager.get("*", "core", "ssl");
24 local default_capath = "/etc/ssl/certs";
25 local default_verify = (ssl and ssl.x509 and { "peer", "client_once", "continue", "ignore_purpose" }) or "none";
26 local default_options = { "no_sslv2" };
28 function create_context(host, mode, user_ssl_config)
29 user_ssl_config = user_ssl_config or default_ssl_config;
31 if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
32 if not user_ssl_config then return nil, "No SSL/TLS configuration present for "..host; end
36 protocol = user_ssl_config.protocol or "sslv23";
37 key = resolve_path(config_path, user_ssl_config.key);
38 password = user_ssl_config.password;
39 certificate = resolve_path(config_path, user_ssl_config.certificate);
40 capath = resolve_path(config_path, user_ssl_config.capath or default_capath);
41 cafile = resolve_path(config_path, user_ssl_config.cafile);
42 verify = user_ssl_config.verify or default_verify;
43 options = user_ssl_config.options or default_options;
44 depth = user_ssl_config.depth;
47 local ctx, err = ssl_newcontext(ssl_config);
49 -- LuaSec ignores the cipher list from the config, so we have to take care
50 -- of it ourselves (W/A for #x)
51 if ctx and user_ssl_config.ciphers then
53 success, err = ssl.context.setcipher(ctx, user_ssl_config.ciphers);
54 if not success then ctx = nil; end
58 err = err or "invalid ssl config"
59 local file = err:match("^error loading (.-) %(");
61 if file == "private key" then
62 file = ssl_config.key or "your private key";
63 elseif file == "certificate" then
64 file = ssl_config.certificate or "your certificate file";
66 local reason = err:match("%((.+)%)$") or "some reason";
67 if reason == "Permission denied" then
68 reason = "Check that the permissions allow Prosody to read this file.";
69 elseif reason == "No such file or directory" then
70 reason = "Check that the path is correct, and the file exists.";
71 elseif reason == "system lib" then
72 reason = "Previous error (see logs), or other system error.";
73 elseif reason == "(null)" or not reason then
74 reason = "Check that the file exists and the permissions are correct";
76 reason = "Reason: "..tostring(reason):lower();
78 log("error", "SSL/TLS: Failed to load %s: %s (host: %s)", file, reason, host);
80 log("error", "SSL/TLS: Error initialising for host %s: %s (host: %s)", host, err, host);
86 function reload_ssl_config()
87 default_ssl_config = configmanager.get("*", "core", "ssl");
90 prosody.events.add_handler("config-reloaded", reload_ssl_config);