-- 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 st = require "util.stanza";
local sm_bind_resource = require "core.sessionmanager".bind_resource;
local sm_make_authenticated = require "core.sessionmanager".make_authenticated;
-local s2s_make_authenticated = require "core.s2smanager".make_authenticated;
local base64 = require "util.encodings".base64;
local cert_verify_identity = require "util.x509".verify_identity;
-local nodeprep = require "util.encodings".stringprep.nodeprep;
local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler;
local tostring = tostring;
local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
local xmlns_bind ='urn:ietf:params:xml:ns:xmpp-bind';
-local xmlns_stanzas ='urn:ietf:params:xml:ns:xmpp-stanzas';
local function build_reply(status, ret, err_msg)
local reply = st.stanza(status, {xmlns = xmlns_sasl});
local function handle_status(session, status, ret, err_msg)
if status == "failure" then
+ module:fire_event("authentication-failure", { session = session, condition = ret, text = err_msg });
session.sasl_handler = session.sasl_handler:clean_clone();
elseif status == "success" then
- local username = nodeprep(session.sasl_handler.username);
-
local ok, err = sm_make_authenticated(session, session.sasl_handler.username);
if ok then
+ module:fire_event("authentication-success", { session = session });
session.sasl_handler = nil;
session:reset_stream();
else
module:log("warn", "SASL succeeded but username was invalid");
+ module:fire_event("authentication-failure", { session = session, condition = "not-authorized", text = err });
session.sasl_handler = session.sasl_handler:clean_clone();
return "failure", "not-authorized", "User authenticated successfully, but username was invalid";
end
module:log("debug", "SASL EXTERNAL with %s succeeded", session.to_host);
session.external_auth = "succeeded"
session:reset_stream();
+ session:open_stream(session.from_host, session.to_host);
- local default_stream_attr = {xmlns = "jabber:server", ["xmlns:stream"] = "http://etherx.jabber.org/streams",
- ["xmlns:db"] = 'jabber:server:dialback', version = "1.0", to = session.to_host, from = session.from_host};
- session.sends2s("<?xml version='1.0'?>");
- session.sends2s(st.stanza("stream:stream", default_stream_attr):top_tag());
-
- s2s_make_authenticated(session, session.to_host);
+ module:fire_event("s2s-authenticated", { session = session, host = session.to_host });
return true;
end)
session.from_host = text;
end
session.sends2s(build_reply("success"))
- module:log("info", "Accepting SASL EXTERNAL identity from %s", text or session.from_host);
- s2s_make_authenticated(session, text or session.from_host)
+
+ local domain = text ~= "" and text or session.from_host;
+ module:log("info", "Accepting SASL EXTERNAL identity from %s", domain);
+ module:fire_event("s2s-authenticated", { session = session, host = domain });
session:reset_stream();
return true
end
return s2s_external_auth(session, stanza)
end
- if session.type ~= "c2s_unauthed" then return; end
+ if session.type ~= "c2s_unauthed" or module:get_host_type() ~= "local" then return; end
if session.sasl_handler and session.sasl_handler.selected then
session.sasl_handler = nil; -- allow starting a new SASL negotiation before completing an old one
end
if not session.sasl_handler then
- session.sasl_handler = usermanager_get_sasl_handler(module.host);
+ session.sasl_handler = usermanager_get_sasl_handler(module.host, session);
end
local mechanism = stanza.attr.mechanism;
if not session.secure and (secure_auth_only or (mechanism == "PLAIN" and not allow_unencrypted_plain_auth)) then
if secure_auth_only and not origin.secure then
return;
end
- origin.sasl_handler = usermanager_get_sasl_handler(module.host);
- if origin.secure then
- origin.sasl_handler:add_cb_handler("tls-unique", function(self)
- return self.userdata:getpeerfinished();
- end);
- origin.sasl_handler["userdata"] = origin.conn:socket();
+ origin.sasl_handler = usermanager_get_sasl_handler(module.host, origin);
+ if origin.encrypted then
+ -- check wether LuaSec has the nifty binding to the function needed for tls-unique
+ -- FIXME: would be nice to have this check only once and not for every socket
+ if origin.conn:socket().getpeerfinished and origin.sasl_handler.add_cb_handler then
+ origin.sasl_handler:add_cb_handler("tls-unique", function(self)
+ return self.userdata:getpeerfinished();
+ end);
+ origin.sasl_handler["userdata"] = origin.conn:socket();
+ end
end
- features:tag("mechanisms", mechanisms_attr);
+ local mechanisms = st.stanza("mechanisms", mechanisms_attr);
for mechanism in pairs(origin.sasl_handler:mechanisms()) do
if mechanism ~= "PLAIN" or origin.secure or allow_unencrypted_plain_auth then
- features:tag("mechanism"):text(mechanism):up();
+ mechanisms:tag("mechanism"):text(mechanism):up();
end
end
- features:up();
+ if mechanisms[1] then features:add_child(mechanisms); end
else
features:tag("bind", bind_attr):tag("required"):up():up();
features:tag("session", xmpp_session_attr):tag("optional"):up():up();
local resource;
if stanza.attr.type == "set" then
local bind = stanza.tags[1];
- resource = bind:child_with_name("resource");
+ resource = bind:get_child("resource");
resource = resource and #resource.tags == 0 and resource[1] or nil;
end
local success, err_type, err, err_msg = sm_bind_resource(origin, resource);
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