106 lines
3.4 KiB
Erlang
106 lines
3.4 KiB
Erlang
%%%----------------------------------------------------------------------
|
|
%%% File : ejabberd_auth_external.erl
|
|
%%% Author : Alexey Shchepin <alexey@process-one.net>
|
|
%%% Purpose : Authentification via LDAP external script
|
|
%%% Created : 12 Dec 2004 by Alexey Shchepin <alexey@process-one.net>
|
|
%%%
|
|
%%%
|
|
%%% ejabberd, Copyright (C) 2002-2017 ProcessOne
|
|
%%%
|
|
%%% This program is free software; you can redistribute it and/or
|
|
%%% modify it under the terms of the GNU General Public License as
|
|
%%% published by the Free Software Foundation; either version 2 of the
|
|
%%% License, or (at your option) any later version.
|
|
%%%
|
|
%%% This program is distributed in the hope that it will be useful,
|
|
%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
%%% General Public License for more details.
|
|
%%%
|
|
%%% You should have received a copy of the GNU General Public License along
|
|
%%% with this program; if not, write to the Free Software Foundation, Inc.,
|
|
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
%%%
|
|
%%%----------------------------------------------------------------------
|
|
|
|
-module(ejabberd_auth_external).
|
|
|
|
-behaviour(ejabberd_config).
|
|
|
|
-author('alexey@process-one.net').
|
|
|
|
-behaviour(ejabberd_auth).
|
|
|
|
-export([start/1, stop/1, set_password/3, check_password/4,
|
|
try_register/3, user_exists/2, remove_user/2,
|
|
store_type/1, plain_password_required/1, opt_type/1]).
|
|
|
|
-include("ejabberd.hrl").
|
|
-include("logger.hrl").
|
|
|
|
%%%----------------------------------------------------------------------
|
|
%%% API
|
|
%%%----------------------------------------------------------------------
|
|
start(Host) ->
|
|
Cmd = ejabberd_config:get_option({extauth_program, Host}, "extauth"),
|
|
extauth:start(Host, Cmd).
|
|
|
|
stop(Host) ->
|
|
extauth:stop(Host).
|
|
|
|
plain_password_required(_) -> true.
|
|
|
|
store_type(_) -> external.
|
|
|
|
check_password(User, AuthzId, Server, Password) ->
|
|
if AuthzId /= <<>> andalso AuthzId /= User ->
|
|
false;
|
|
true ->
|
|
check_password_extauth(User, AuthzId, Server, Password)
|
|
end.
|
|
|
|
set_password(User, Server, Password) ->
|
|
case extauth:set_password(User, Server, Password) of
|
|
true -> ok;
|
|
_ -> {error, db_failure}
|
|
end.
|
|
|
|
try_register(User, Server, Password) ->
|
|
extauth:try_register(User, Server, Password).
|
|
|
|
user_exists(User, Server) ->
|
|
try extauth:user_exists(User, Server) of
|
|
Res -> Res
|
|
catch
|
|
_:Error ->
|
|
?ERROR_MSG("external authentication program failure: ~p",
|
|
[Error]),
|
|
{error, db_failure}
|
|
end.
|
|
|
|
remove_user(User, Server) ->
|
|
case extauth:remove_user(User, Server) of
|
|
false -> {error, not_allowed};
|
|
true -> ok
|
|
end.
|
|
|
|
check_password_extauth(User, _AuthzId, Server, Password) ->
|
|
extauth:check_password(User, Server, Password) andalso
|
|
Password /= <<"">>.
|
|
|
|
-spec opt_type(extauth_cache) -> fun((false | non_neg_integer()) ->
|
|
false | non_neg_integer());
|
|
(extauth_program) -> fun((binary()) -> string());
|
|
(atom()) -> [atom()].
|
|
opt_type(extauth_cache) ->
|
|
?WARNING_MSG("option 'extauth_cache' is deprecated and has no effect, "
|
|
"use authentication or global cache configuration "
|
|
"options: auth_use_cache, auth_cache_life_time, "
|
|
"use_cache, cache_life_time, and so on", []),
|
|
fun (false) -> false;
|
|
(I) when is_integer(I), I >= 0 -> I
|
|
end;
|
|
opt_type(extauth_program) ->
|
|
fun (V) -> binary_to_list(iolist_to_binary(V)) end;
|
|
opt_type(_) -> [extauth_cache, extauth_program].
|