mirror of
https://github.com/bjc/prosody.git
synced 2025-04-06 22:57:38 +03:00
92 lines
3.3 KiB
Lua
92 lines
3.3 KiB
Lua
-- Prosody IM
|
|
-- Copyright (C) 2008-2010 Matthew Wild
|
|
-- Copyright (C) 2008-2010 Waqas Hussain
|
|
--
|
|
-- This project is MIT/X11 licensed. Please see the
|
|
-- COPYING file in the source package for more information.
|
|
--
|
|
|
|
local configmanager = require "core.configmanager";
|
|
local log = require "util.logger".init("certmanager");
|
|
local ssl = ssl;
|
|
local ssl_newcontext = ssl and ssl.newcontext;
|
|
|
|
local setmetatable, tostring = setmetatable, tostring;
|
|
|
|
local prosody = prosody;
|
|
local resolve_path = configmanager.resolve_relative_path;
|
|
local config_path = prosody.paths.config;
|
|
|
|
module "certmanager"
|
|
|
|
-- Global SSL options if not overridden per-host
|
|
local default_ssl_config = configmanager.get("*", "core", "ssl");
|
|
local default_capath = "/etc/ssl/certs";
|
|
local default_verify = (ssl and ssl.x509 and { "peer", "client_once", "continue", "ignore_purpose" }) or "none";
|
|
local default_options = { "no_sslv2" };
|
|
|
|
function create_context(host, mode, user_ssl_config)
|
|
user_ssl_config = user_ssl_config or default_ssl_config;
|
|
|
|
if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
|
|
if not user_ssl_config then return nil, "No SSL/TLS configuration present for "..host; end
|
|
|
|
local ssl_config = {
|
|
mode = mode;
|
|
protocol = user_ssl_config.protocol or "sslv23";
|
|
key = resolve_path(config_path, user_ssl_config.key);
|
|
password = user_ssl_config.password;
|
|
certificate = resolve_path(config_path, user_ssl_config.certificate);
|
|
capath = resolve_path(config_path, user_ssl_config.capath or default_capath);
|
|
cafile = resolve_path(config_path, user_ssl_config.cafile);
|
|
verify = user_ssl_config.verify or default_verify;
|
|
options = user_ssl_config.options or default_options;
|
|
depth = user_ssl_config.depth;
|
|
};
|
|
|
|
local ctx, err = ssl_newcontext(ssl_config);
|
|
|
|
-- LuaSec ignores the cipher list from the config, so we have to take care
|
|
-- of it ourselves (W/A for #x)
|
|
if ctx and user_ssl_config.ciphers then
|
|
local success;
|
|
success, err = ssl.context.setcipher(ctx, user_ssl_config.ciphers);
|
|
if not success then ctx = nil; end
|
|
end
|
|
|
|
if not ctx then
|
|
err = err or "invalid ssl config"
|
|
local file = err:match("^error loading (.-) %(");
|
|
if file then
|
|
if file == "private key" then
|
|
file = ssl_config.key or "your private key";
|
|
elseif file == "certificate" then
|
|
file = ssl_config.certificate or "your certificate file";
|
|
end
|
|
local reason = err:match("%((.+)%)$") or "some reason";
|
|
if reason == "Permission denied" then
|
|
reason = "Check that the permissions allow Prosody to read this file.";
|
|
elseif reason == "No such file or directory" then
|
|
reason = "Check that the path is correct, and the file exists.";
|
|
elseif reason == "system lib" then
|
|
reason = "Previous error (see logs), or other system error.";
|
|
elseif reason == "(null)" or not reason then
|
|
reason = "Check that the file exists and the permissions are correct";
|
|
else
|
|
reason = "Reason: "..tostring(reason):lower();
|
|
end
|
|
log("error", "SSL/TLS: Failed to load %s: %s (host: %s)", file, reason, host);
|
|
else
|
|
log("error", "SSL/TLS: Error initialising for host %s: %s (host: %s)", host, err, host);
|
|
end
|
|
end
|
|
return ctx, err;
|
|
end
|
|
|
|
function reload_ssl_config()
|
|
default_ssl_config = configmanager.get("*", "core", "ssl");
|
|
end
|
|
|
|
prosody.events.add_handler("config-reloaded", reload_ssl_config);
|
|
|
|
return _M;
|