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82 lines
2.9 KiB
82 lines
2.9 KiB
-- Prosody IM
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-- Copyright (C) 2008-2010 Matthew Wild
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-- Copyright (C) 2008-2010 Waqas Hussain
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--
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-- This project is MIT/X11 licensed. Please see the
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-- COPYING file in the source package for more information.
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--
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local configmanager = require "core.configmanager";
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local log = require "util.logger".init("certmanager");
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local ssl = ssl;
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local ssl_newcontext = ssl and ssl.newcontext;
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local setmetatable, tostring = setmetatable, tostring;
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local prosody = prosody;
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local resolve_path = prosody.resolve_relative_path;
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local config_path = prosody.paths.config;
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module "certmanager"
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-- Global SSL options if not overridden per-host
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local default_ssl_config = configmanager.get("*", "core", "ssl");
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local default_capath = "/etc/ssl/certs";
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function create_context(host, mode, config)
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local user_ssl_config = config and config.core.ssl or default_ssl_config;
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if not ssl then return nil, "LuaSec (required for encryption) was not found"; end
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if not user_ssl_config then return nil, "No SSL/TLS configuration present for "..host; end
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local ssl_config = {
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mode = mode;
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protocol = user_ssl_config.protocol or "sslv23";
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key = resolve_path(config_path, user_ssl_config.key);
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password = user_ssl_config.password;
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certificate = resolve_path(config_path, user_ssl_config.certificate);
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capath = resolve_path(config_path, user_ssl_config.capath or default_capath);
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cafile = resolve_path(config_path, user_ssl_config.cafile);
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verify = user_ssl_config.verify or "none";
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options = user_ssl_config.options or "no_sslv2";
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ciphers = user_ssl_config.ciphers;
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depth = user_ssl_config.depth;
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};
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local ctx, err = ssl_newcontext(ssl_config);
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if not ctx then
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err = err or "invalid ssl config"
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local file = err:match("^error loading (.-) %(");
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if file then
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if file == "private key" then
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file = ssl_config.key or "your private key";
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elseif file == "certificate" then
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file = ssl_config.certificate or "your certificate file";
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end
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local reason = err:match("%((.+)%)$") or "some reason";
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if reason == "Permission denied" then
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reason = "Check that the permissions allow Prosody to read this file.";
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elseif reason == "No such file or directory" then
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reason = "Check that the path is correct, and the file exists.";
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elseif reason == "system lib" then
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reason = "Previous error (see logs), or other system error.";
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elseif reason == "(null)" or not reason then
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reason = "Check that the file exists and the permissions are correct";
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else
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reason = "Reason: "..tostring(reason):lower();
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end
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log("error", "SSL/TLS: Failed to load %s: %s", file, reason);
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else
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log("error", "SSL/TLS: Error initialising for host %s: %s", host, err );
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end
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end
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return ctx, err;
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end
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function reload_ssl_config()
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default_ssl_config = configmanager.get("*", "core", "ssl");
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end
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prosody.events.add_handler("config-reloaded", reload_ssl_config);
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return _M;
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