--- Prosody IM v0.4
+-- Prosody IM
-- Copyright (C) 2008-2009 Matthew Wild
-- Copyright (C) 2008-2009 Waqas Hussain
---
+--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--
local datamanager_load = require "util.datamanager".load;
local usermanager_validate_credentials = require "core.usermanager".validate_credentials;
+local usermanager_get_supported_methods = require "core.usermanager".get_supported_methods;
+local usermanager_user_exists = require "core.usermanager".user_exists;
+local usermanager_get_password = require "core.usermanager".get_password;
local t_concat, t_insert = table.concat, table.insert;
local tostring = tostring;
local jid_split = require "util.jid".split
local md5 = require "util.hashes".md5;
local config = require "core.configmanager";
+local secure_auth_only = config.get(module:get_host(), "core", "require_encryption");
+
local log = module._log;
local xmlns_sasl ='urn:ietf:params:xml:ns:xmpp-sasl';
log("debug", "%s", ret or "");
reply:text(base64.encode(ret or ""));
else
- error("Unknown sasl status: "..status);
+ module:log("error", "Unknown sasl status: %s", status);
end
return reply;
end
if status == "failure" then
session.sasl_handler = nil;
elseif status == "success" then
- if not session.sasl_handler.username then error("SASL succeeded but we didn't get a username!"); end -- TODO move this to sessionmanager
+ if not session.sasl_handler.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;
+ end
sm_make_authenticated(session, session.sasl_handler.username);
session.sasl_handler = nil;
session:reset_stream();
end
end
-local function password_callback(node, host, mechanism, decoder)
- local password = (datamanager_load(node, host, "accounts") or {}).password; -- FIXME handle hashed passwords
- local func = function(x) return x; end;
- if password then
- if mechanism == "PLAIN" then
- return func, password;
- elseif mechanism == "DIGEST-MD5" then
- if decoder then node, host, password = decoder(node), decoder(host), decoder(password); end
- return func, md5(node..":"..host..":"..password);
+local function credentials_callback(mechanism, ...)
+ if mechanism == "PLAIN" then
+ local username, hostname, password = ...;
+ local response = usermanager_validate_credentials(hostname, username, password, mechanism);
+ if response == nil then
+ return false;
+ else
+ return response;
+ end
+ elseif mechanism == "DIGEST-MD5" then
+ function func(x) return x; end
+ local node, domain, realm, decoder = ...;
+ local password = usermanager_get_password(node, domain);
+ if password then
+ if decoder then
+ node, realm, password = decoder(node), decoder(realm), decoder(password);
+ end
+ return func, md5(node..":"..realm..":"..password);
+ else
+ return func, nil;
end
end
- return func, nil;
end
local function sasl_handler(session, stanza)
if stanza.name == "auth" then
-- FIXME ignoring duplicates because ejabberd does
- if config.get(session.host or "*", "core", "anonymous_login") and stanza.attr.mechanism ~= "ANONYMOUS" then
- return session.send(build_reply("failure", "invalid-mechanism"));
+ if config.get(session.host or "*", "core", "anonymous_login") then
+ if stanza.attr.mechanism ~= "ANONYMOUS" then
+ return session.send(build_reply("failure", "invalid-mechanism"));
+ end
elseif stanza.attr.mechanism == "ANONYMOUS" then
return session.send(build_reply("failure", "mechanism-too-weak"));
end
- session.sasl_handler = new_sasl(stanza.attr.mechanism, session.host, password_callback);
+ session.sasl_handler = new_sasl(stanza.attr.mechanism, session.host, credentials_callback);
if not session.sasl_handler then
return session.send(build_reply("failure", "invalid-mechanism"));
end
end
local status, ret, err_msg = session.sasl_handler:feed(text);
handle_status(session, status);
- local s = build_reply(status, ret, err_msg);
+ local s = build_reply(status, ret, err_msg);
log("debug", "sasl reply: %s", tostring(s));
session.send(s);
end
local mechanisms_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-sasl' };
local bind_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-bind' };
local xmpp_session_attr = { xmlns='urn:ietf:params:xml:ns:xmpp-session' };
-module:add_event_hook("stream-features",
- function (session, features)
+module:add_event_hook("stream-features",
+ function (session, features)
if not session.username then
+ if secure_auth_only and not session.secure then
+ return;
+ end
features:tag("mechanisms", mechanisms_attr);
-- TODO: Provide PLAIN only if TLS is active, this is a SHOULD from the introduction of RFC 4616. This behavior could be overridden via configuration but will issuing a warning or so.
if config.get(session.host or "*", "core", "anonymous_login") then
features:tag("mechanism"):text("ANONYMOUS"):up();
else
- features:tag("mechanism"):text("DIGEST-MD5"):up();
- features:tag("mechanism"):text("PLAIN"):up();
+ mechanisms = usermanager_get_supported_methods(session.host or "*");
+ for k, v in pairs(mechanisms) do
+ features:tag("mechanism"):text(k):up();
+ end
end
features:up();
else
features:tag("session", xmpp_session_attr):up();
end
end);
-
-module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind",
+
+module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-bind",
function (session, stanza)
log("debug", "Client requesting a resource bind");
local resource;
:tag("jid"):text(session.full_jid));
end
end);
-
-module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session",
+
+module:add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session",
function (session, stanza)
log("debug", "Client requesting a session");
session.send(st.reply(stanza));
projects / prosody.git / blobdiff