util.startup: Check root after detecting platform and reading config (thanks SigmaTel71)
Ensures that startup.detect_platform() runs so know whether to use the
POSIX method of checking the current user or something else. Also after
reading the config so we know whether the root override setting is set.
-- 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 usermanager = require "prosody.core.usermanager";
local new_sasl = require "prosody.util.sasl".new;
local saslprep = require "prosody.util.encodings".stringprep.saslprep;
local secure_equals = require "prosody.util.hashes".equals;
local log = module._log;
local host = module.host;
local accounts = module:open_store("accounts");
-- define auth provider
local provider = {};
function provider.test_password(username, password)
log("debug", "test password for user '%s'", username);
local credentials = accounts:get(username) or {};
password = saslprep(password);
if not password then
return nil, "Password fails SASLprep.";
end
if secure_equals(password, saslprep(credentials.password)) then
return true;
else
return nil, "Auth failed. Invalid username or password.";
end
end
function provider.get_password(username)
log("debug", "get_password for username '%s'", username);
return (accounts:get(username) or {}).password;
end
function provider.set_password(username, password)
log("debug", "set_password for username '%s'", username);
password = saslprep(password);
if not password then
return nil, "Password fails SASLprep.";
end
local account = accounts:get(username);
if account then
account.password = password;
account.updated = os.time();
return accounts:set(username, account);
end
return nil, "Account not available.";
end
function provider.get_account_info(username)
local account = accounts:get(username);
if not account then return nil, "Account not available"; end
return {
created = account.created;
password_updated = account.updated;
};
end
function provider.user_exists(username)
local account = accounts:get(username);
if not account then
log("debug", "account not found for username '%s'", username);
return nil, "Auth failed. Invalid username";
end
return true;
end
function provider.users()
return accounts:users();
end
function provider.create_user(username, password)
local now = os.time();
if password == nil then
return accounts:set(username, { created = now, updated = now, disabled = true });
end
password = saslprep(password);
if not password then
return nil, "Password fails SASLprep.";
end
return accounts:set(username, {
password = password;
created = now, updated = now;
});
end
function provider.delete_user(username)
return accounts:set(username, nil);
end
function provider.get_sasl_handler()
local getpass_authentication_profile = {
plain = function(_, username, realm)
local password = usermanager.get_password(username, realm);
if not password then
return "", nil;
end
return password, true;
end
};
return new_sasl(host, getpass_authentication_profile);
end
module:provides("auth", provider);