local st = require "util.stanza";
-local send = require "core.sessionmanager".send_to_session;
local sm_bind_resource = require "core.sessionmanager".bind_resource;
local jid
+local base64 = require "base64"
local usermanager_validate_credentials = require "core.usermanager".validate_credentials;
local t_concat, t_insert = table.concat, table.insert;
local new_sasl = require "util.sasl".new;
-local function build_reply(status, ret)
+local function build_reply(status, ret, err_msg)
local reply = st.stanza(status, {xmlns = xmlns_sasl});
if status == "challenge" then
- reply:text(ret or "");
+ reply:text(base64.encode(ret or ""));
elseif status == "failure" then
reply:tag(ret):up();
+ if err_msg then reply:tag("text"):text(err_msg); end
elseif status == "success" then
- reply:text(ret or "");
+ reply:text(base64.encode(ret or ""));
else
error("Unknown sasl status: "..status);
end
end
end
-local function password_callback(jid, mechanism)
- local node, host = jid_split(jid);
+local function password_callback(node, host, mechanism)
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
- return func, require "hashes".md5(node.."::"..password);
+ return func, require "md5".sum(node..":"..host..":"..password);
end
end
return func, nil;
end
-function do_sasl(session, stanza)
+function sasl_handler(session, stanza)
+ if stanza.name == "auth" then
+ -- FIXME ignoring duplicates because ejabberd does
+ session.sasl_handler = new_sasl(stanza.attr.mechanism, session.host, password_callback);
+ elseif not session.sasl_handler then
+ return; -- FIXME ignoring out of order stanzas because ejabberd does
+ end
local text = stanza[1];
if text then
text = base64.decode(text);
return;
end
end
- local status, ret = session.sasl_handler:feed(text);
+ local status, ret, err_msg = session.sasl_handler:feed(text);
handle_status(session, status);
- local s = build_reply(status, ret);
+ local s = build_reply(status, ret, err_msg);
log("debug", "sasl reply: "..tostring(s));
session.send(s);
end
-add_handler("c2s_unauthed", "auth", xmlns_sasl,
- function (session, stanza)
- if not session.sasl_handler then
- session.sasl_handler = new_sasl(stanza.attr.mechanism, session.host, password_callback);
- do_sasl(session, stanza);
- else
- error("Client tried to negotiate SASL again", 0);
- end
- end);
-
-add_handler("c2s_unauthed", "abort", xmlns_sasl,
- function(session, stanza)
- if not session.sasl_handler then error("Attempt to abort when sasl has not started"); end
- do_sasl(session, stanza);
- end);
-
-add_handler("c2s_unauthed", "response", xmlns_sasl,
- function(session, stanza)
- if not session.sasl_handler then error("Attempt to respond when sasl has not started"); end
- do_sasl(session, stanza);
- end);
+add_handler("c2s_unauthed", "auth", xmlns_sasl, sasl_handler);
+add_handler("c2s_unauthed", "abort", xmlns_sasl, sasl_handler);
+add_handler("c2s_unauthed", "response", xmlns_sasl, sasl_handler);
add_event_hook("stream-features",
function (session, features)
local resource;
if stanza.attr.type == "set" then
local bind = stanza.tags[1];
-
if bind and bind.attr.xmlns == xmlns_bind then
resource = bind:child_with_name("resource");
if resource then
end
end
end
- local success, err = sm_bind_resource(session, resource);
+ local success, err_type, err, err_msg = sm_bind_resource(session, resource);
if not success then
- local reply = st.reply(stanza);
- reply.attr.type = "error";
- if err == "conflict" then
- reply:tag("error", { type = "modify" })
- :tag("conflict", { xmlns = xmlns_stanzas });
- elseif err == "constraint" then
- reply:tag("error", { type = "cancel" })
- :tag("resource-constraint", { xmlns = xmlns_stanzas });
- elseif err == "auth" then
- reply:tag("error", { type = "cancel" })
- :tag("not-allowed", { xmlns = xmlns_stanzas });
- end
- send(session, reply);
+ session.send(st.error_reply(stanza, err_type, err, err_msg));
else
- local reply = st.reply(stanza);
- reply:tag("bind", { xmlns = xmlns_bind})
- :tag("jid"):text(session.full_jid);
- send(session, reply);
+ session.send(st.reply(stanza)
+ :tag("bind", { xmlns = xmlns_bind})
+ :tag("jid"):text(session.full_jid));
end
end);
add_iq_handler("c2s", "urn:ietf:params:xml:ns:xmpp-session",
function (session, stanza)
log("debug", "Client tried to bind to a resource");
- send(session, st.reply(stanza));
+ session.send(st.reply(stanza));
end);