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https://github.com/processone/ejabberd.git
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fd8e07af47
The header consisted of too many unrelated stuff and macros misuse. Some stuff is moved into scram.hrl and type_compat.hrl. All macros have been replaced with the corresponding function calls. TODO: probably type_compat.hrl is not even needed anymore since we support only Erlang >= OTP 17.5
127 lines
4.1 KiB
Erlang
127 lines
4.1 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : ejabberd_auth_external.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose : Authentification via LDAP external script
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%%% Created : 12 Dec 2004 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2018 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License along
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%%% with this program; if not, write to the Free Software Foundation, Inc.,
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%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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%%%
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%%%----------------------------------------------------------------------
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-module(ejabberd_auth_external).
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-behaviour(ejabberd_config).
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-author('alexey@process-one.net').
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-behaviour(ejabberd_auth).
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-export([start/1, stop/1, reload/1, set_password/3, check_password/4,
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try_register/3, user_exists/2, remove_user/2,
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store_type/1, plain_password_required/1, opt_type/1]).
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-include("logger.hrl").
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%%%----------------------------------------------------------------------
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%%% API
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%%%----------------------------------------------------------------------
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start(Host) ->
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extauth:start(Host).
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stop(Host) ->
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extauth:stop(Host).
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reload(Host) ->
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extauth:reload(Host).
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plain_password_required(_) -> true.
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store_type(_) -> external.
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check_password(User, AuthzId, Server, Password) ->
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if AuthzId /= <<>> andalso AuthzId /= User ->
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false;
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true ->
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check_password_extauth(User, AuthzId, Server, Password)
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end.
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set_password(User, Server, Password) ->
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case extauth:set_password(User, Server, Password) of
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Res when is_boolean(Res) -> ok;
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{error, Reason} -> failure(User, Server, set_password, Reason)
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end.
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try_register(User, Server, Password) ->
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case extauth:try_register(User, Server, Password) of
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true -> ok;
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false -> {error, not_allowed};
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{error, Reason} -> failure(User, Server, try_register, Reason)
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end.
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user_exists(User, Server) ->
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case extauth:user_exists(User, Server) of
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Res when is_boolean(Res) -> Res;
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{error, Reason} -> failure(User, Server, user_exists, Reason)
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end.
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remove_user(User, Server) ->
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case extauth:remove_user(User, Server) of
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false -> {error, not_allowed};
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true -> ok;
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{error, Reason} -> failure(User, Server, remove_user, Reason)
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end.
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check_password_extauth(User, _AuthzId, Server, Password) ->
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if Password /= <<"">> ->
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case extauth:check_password(User, Server, Password) of
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Res when is_boolean(Res) -> Res;
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{error, Reason} ->
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failure(User, Server, check_password, Reason),
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false
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end;
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true ->
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false
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end.
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-spec failure(binary(), binary(), atom(), any()) -> {error, db_failure}.
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failure(User, Server, Fun, Reason) ->
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?ERROR_MSG("External authentication program failed when calling "
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"'~s' for ~s@~s: ~p", [Fun, User, Server, Reason]),
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{error, db_failure}.
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opt_type(extauth_cache) ->
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?WARNING_MSG("option 'extauth_cache' is deprecated and has no effect, "
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"use authentication or global cache configuration "
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"options: auth_use_cache, auth_cache_life_time, "
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"use_cache, cache_life_time, and so on", []),
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fun (false) -> false;
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(I) when is_integer(I), I >= 0 -> I
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end;
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opt_type(extauth_instances) ->
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?WARNING_MSG("option 'extauth_instances' is deprecated and has no effect, "
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"use 'extauth_pool_size'", []),
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fun (V) when is_integer(V), V > 0 -> V end;
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opt_type(extauth_program) ->
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fun (V) -> binary_to_list(iolist_to_binary(V)) end;
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opt_type(extauth_pool_size) ->
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fun(I) when is_integer(I), I>0 -> I end;
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opt_type(_) ->
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[extauth_program, extauth_pool_size,
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%% Deprecated:
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extauth_cache, extauth_instances].
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