-- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
---
+-- 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 secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
local sasl_backend = module:get_option("sasl_backend") or "builtin";
+-- Cyrus config options
+local require_provisioning = module:get_option("cyrus_require_provisioning") or false;
+local cyrus_service_realm = module:get_option("cyrus_service_realm");
+local cyrus_service_name = module:get_option("cyrus_service_name");
+local cyrus_application_name = module:get_option("cyrus_application_name");
+
local log = module._log;
local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
local xmlns_stanzas ='urn:ietf:params:xml:ns:xmpp-stanzas';
local new_sasl;
-if sasl_backend == "cyrus" then
- local cyrus, err = pcall(require, "util.sasl_cyrus");
- if cyrus then
+if sasl_backend == "builtin" then
+ new_sasl = require "util.sasl".new;
+elseif sasl_backend == "cyrus" then
+ prosody.unlock_globals(); --FIXME: Figure out why this is needed and
+ -- why cyrussasl isn't caught by the sandbox
+ local ok, cyrus = pcall(require, "util.sasl_cyrus");
+ prosody.lock_globals();
+ if ok then
local cyrus_new = cyrus.new;
new_sasl = function(realm)
- return cyrus_new(realm, module:get_option("cyrus_service_name") or "xmpp");
+ return cyrus_new(
+ cyrus_service_realm or realm,
+ cyrus_service_name or "xmpp",
+ cyrus_application_name or "prosody"
+ );
end
else
- sasl_backend = "builtin";
- module:log("warn", "Failed to load Cyrus SASL, falling back to builtin auth mechanisms");
+ module:log("error", "Failed to load Cyrus SASL because: %s", cyrus);
+ error("Failed to load Cyrus SASL");
end
-end
-if not new_sasl then
- if sasl_backend ~= "builtin" then module:log("warn", "Unknown SASL backend %s", sasl_backend); end;
- new_sasl = require "util.sasl".new;
+else
+ module:log("error", "Unknown SASL backend: %s", sasl_backend);
+ error("Unknown SASL backend");
end
local default_authentication_profile = {
return reply;
end
-local function handle_status(session, status)
+local function handle_status(session, status, ret, err_msg)
if status == "failure" then
session.sasl_handler = session.sasl_handler:clean_clone();
elseif status == "success" then
local username = nodeprep(session.sasl_handler.username);
- if not username then -- TODO move this to sessionmanager
- module:log("warn", "SASL succeeded but we didn't get a username!");
- session.sasl_handler = nil;
- session:reset_stream();
- return;
+
+ if not(require_provisioning) or usermanager_user_exists(username, session.host) then
+ local aret, err = sm_make_authenticated(session, session.sasl_handler.username);
+ if aret then
+ session.sasl_handler = nil;
+ session:reset_stream();
+ else
+ module:log("warn", "SASL succeeded but username was invalid");
+ session.sasl_handler = session.sasl_handler:clean_clone();
+ return "failure", "not-authorized", "User authenticated successfully, but username was invalid";
+ end
+ else
+ module:log("warn", "SASL succeeded but we don't have an account provisioned for %s", username);
+ session.sasl_handler = session.sasl_handler:clean_clone();
+ return "failure", "not-authorized", "User authenticated successfully, but not provisioned for XMPP";
end
- sm_make_authenticated(session, session.sasl_handler.username);
- session.sasl_handler = nil;
- session:reset_stream();
end
+ return status, ret, err_msg;
end
local function sasl_handler(session, stanza)
end
end
local status, ret, err_msg = session.sasl_handler:process(text);
- handle_status(session, status);
+ status, ret, err_msg = handle_status(session, status, ret, err_msg);
local s = build_reply(status, ret, err_msg);
log("debug", "sasl reply: %s", tostring(s));
session.send(s);
if secure_auth_only and not origin.secure then
return;
end
+ local realm = module:get_option("sasl_realm") or origin.host;
if module:get_option("anonymous_login") then
- origin.sasl_handler = new_sasl(origin.host, anonymous_authentication_profile);
+ origin.sasl_handler = new_sasl(realm, anonymous_authentication_profile);
else
- origin.sasl_handler = new_sasl(origin.host, default_authentication_profile);
+ origin.sasl_handler = new_sasl(realm, default_authentication_profile);
if not (module:get_option("allow_unencrypted_plain_auth")) and not origin.secure then
origin.sasl_handler:forbidden({"PLAIN"});
end