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%%%---------------------------------------------------------------------- |
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%%% File : ejabberd_auth_ldap.erl |
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%%% Author : Alexey Shchepin <alexey@process-one.net> |
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%%% Purpose : Authentification via LDAP |
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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) 2002-2013 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 |
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%%% along with this program; if not, write to the Free Software |
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%%% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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%%% |
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%%%---------------------------------------------------------------------- |
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|
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-module(ejabberd_auth_ldap). |
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-author('alexey@process-one.net'). |
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|
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%% gen_server callbacks |
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-behaviour(gen_server). |
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-export([init/1, handle_info/2, handle_call/3, |
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handle_cast/2, terminate/2, code_change/3]). |
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|
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%% External exports |
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-behaviour(mongoose_gen_auth). |
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|
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-export([start/1, |
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stop/1, |
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config_spec/0, |
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start_link/1, |
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set_password/4, |
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authorize/1, |
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try_register/4, |
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get_registered_users/3, |
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get_registered_users_number/3, |
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does_user_exist/3, |
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remove_user/3, |
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supports_sasl_module/2, |
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supported_features/0 |
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]). |
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|
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%% Internal |
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-export([check_password/4, |
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check_password/6]). |
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|
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-ignore_xref([start_link/1]). |
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|
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-include("mongoose_config_spec.hrl"). |
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-include_lib("eldap/include/eldap.hrl"). |
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|
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-record(state, |
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{host_type :: mongooseim:host_type(), |
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eldap_id :: eldap_utils:eldap_id(), |
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bind_eldap_id :: eldap_utils:eldap_id(), |
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base = <<>> :: binary(), |
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uids = [] :: [{binary()} | {binary(), binary()}], |
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ufilter = <<>> :: binary(), |
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sfilter = <<>> :: binary(), |
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lfilter :: {any(), any()} | undefined, |
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deref = neverDerefAliases :: eldap_utils:deref(), |
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dn_filter :: eldap_utils:dn() | undefined, |
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dn_filter_attrs = [] :: [binary()] |
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}). |
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-type state() :: #state{}. |
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|
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:-( |
handle_cast(_Request, State) -> {noreply, State}. |
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|
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:-( |
code_change(_OldVsn, State, _Extra) -> {ok, State}. |
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|
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:-( |
handle_info(_Info, State) -> {noreply, State}. |
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|
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-define(LDAP_SEARCH_TIMEOUT, 5). |
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|
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%%%---------------------------------------------------------------------- |
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%%% API |
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%%%---------------------------------------------------------------------- |
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|
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-spec start(HostType :: mongooseim:host_type()) -> ok. |
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start(HostType) -> |
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:-( |
Proc = gen_mod:get_module_proc(HostType, ?MODULE), |
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:-( |
ChildSpec = {Proc, {?MODULE, start_link, [HostType]}, |
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transient, 1000, worker, [?MODULE]}, |
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:-( |
ejabberd_sup:start_child(ChildSpec), |
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:-( |
ok. |
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|
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-spec stop(HostType :: mongooseim:host_type()) -> ok. |
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stop(HostType) -> |
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:-( |
Proc = gen_mod:get_module_proc(HostType, ?MODULE), |
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:-( |
gen_server:call(Proc, stop), |
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:-( |
ejabberd_sup:stop_child(Proc), |
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:-( |
ok. |
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|
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-spec config_spec() -> mongoose_config_spec:config_section(). |
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config_spec() -> |
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8 |
CommonLDAPSpec = mongoose_ldap_config:spec(), |
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8 |
Items = #{<<"bind_pool_tag">> => #option{type = atom, |
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validate = non_empty}, |
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<<"uids">> => #list{items = mongoose_ldap_config:uids()}, |
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<<"dn_filter">> => mongoose_ldap_config:dn_filter(), |
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<<"local_filter">> => mongoose_ldap_config:local_filter()}, |
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8 |
Defaults = #{<<"bind_pool_tag">> => bind, |
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<<"base">> => <<>>, |
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<<"uids">> => [{<<"uid">>, <<"%u">>}], |
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<<"dn_filter">> => {undefined, []}, |
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<<"local_filter">> => undefined}, |
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8 |
CommonLDAPSpec#section{items = maps:merge(CommonLDAPSpec#section.items, Items), |
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defaults = maps:merge(CommonLDAPSpec#section.defaults, Defaults)}. |
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|
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-spec start_link(HostType :: mongooseim:host_type()) -> {ok, pid()} | {error, any()}. |
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start_link(HostType) -> |
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:-( |
Proc = gen_mod:get_module_proc(HostType, ?MODULE), |
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:-( |
gen_server:start_link({local, Proc}, ?MODULE, HostType, []). |
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|
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:-( |
terminate(_Reason, _State) -> ok. |
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|
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-spec init(HostType :: mongooseim:host_type()) -> {'ok', state()}. |
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init(HostType) -> |
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:-( |
State = parse_options(HostType), |
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:-( |
{ok, State}. |
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|
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-spec supports_sasl_module(mongooseim:host_type(), cyrsasl:sasl_module()) -> boolean(). |
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:-( |
supports_sasl_module(_, cyrsasl_plain) -> true; |
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:-( |
supports_sasl_module(_, cyrsasl_external) -> true; |
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:-( |
supports_sasl_module(_, _) -> false. |
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|
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-spec authorize(mongoose_credentials:t()) -> {ok, mongoose_credentials:t()} |
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| {error, any()}. |
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authorize(Creds) -> |
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:-( |
case mongoose_credentials:get(Creds, cert_file, false) of |
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:-( |
true -> verify_user_exists(Creds); |
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:-( |
false -> ejabberd_auth:authorize_with_check_password(?MODULE, Creds) |
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end. |
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|
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-spec check_password(HostType :: mongooseim:host_type(), |
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LUser :: jid:luser(), |
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LServer :: jid:lserver(), |
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Password :: binary()) -> boolean(). |
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:-( |
check_password(_HostType, _LUser, _LServer, <<"">>) -> false; |
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check_password(HostType, LUser, LServer, Password) -> |
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:-( |
case catch check_password_ldap(HostType, LUser, LServer, Password) of |
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:-( |
{'EXIT', _} -> false; |
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:-( |
Result -> Result |
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end. |
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|
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-spec check_password(HostType :: mongooseim:host_type(), |
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LUser :: jid:luser(), |
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LServer :: jid:lserver(), |
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Password :: binary(), |
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Digest :: binary(), |
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DigestGen :: fun()) -> boolean(). |
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check_password(HostType, LUser, LServer, Password, _Digest, |
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_DigestGen) -> |
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:-( |
check_password(HostType, LUser, LServer, Password). |
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|
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|
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-spec set_password(HostType :: mongooseim:host_type(), |
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LUser :: jid:luser(), |
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LServer :: jid:lserver(), |
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Password :: binary()) |
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-> ok | {error, not_allowed | invalid_jid | user_not_found}. |
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set_password(HostType, LUser, LServer, Password) -> |
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:-( |
{ok, State} = eldap_utils:get_state(HostType, ?MODULE), |
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:-( |
case find_user_dn(LUser, LServer, State) of |
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:-( |
false -> {error, user_not_found}; |
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DN -> |
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:-( |
eldap_pool:modify_passwd(State#state.eldap_id, DN, Password) |
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end. |
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|
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%% TODO Support multiple domains |
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-spec try_register(HostType :: mongooseim:host_type(), LUser :: jid:luser(), |
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LServer :: jid:lserver(), Password :: binary()) -> |
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ok | {error, exists}. |
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try_register(HostType, LUser, _LServer, Password) -> |
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:-( |
{ok, State} = eldap_utils:get_state(HostType, ?MODULE), |
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:-( |
UserStr = binary_to_list(LUser), |
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:-( |
DN = "cn=" ++ UserStr ++ ", " ++ binary_to_list(State#state.base), |
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:-( |
Attrs = [{"objectclass", ["inetOrgPerson"]}, |
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{"cn", [UserStr]}, |
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{"sn", [UserStr]}, |
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{"userPassword", [binary_to_list(Password)]}, |
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{"uid", [UserStr]}], |
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:-( |
case eldap_pool:add(State#state.eldap_id, DN, Attrs) of |
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:-( |
ok -> ok; |
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:-( |
_ -> {error, exists} |
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end. |
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|
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-spec get_registered_users(HostType :: mongooseim:host_type(), |
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LServer :: jid:lserver(), |
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Opts :: list()) -> [jid:simple_bare_jid()]. |
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get_registered_users(HostType, LServer, _) -> |
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:-( |
case catch get_registered_users_ldap(HostType, LServer) of |
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:-( |
{'EXIT', _} -> []; |
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:-( |
Result -> Result |
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end. |
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|
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|
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-spec get_registered_users_number(HostType :: mongooseim:host_type(), |
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LServer :: jid:lserver(), |
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Opts :: list()) -> non_neg_integer(). |
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get_registered_users_number(HostType, LServer, Opts) -> |
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:-( |
length(get_registered_users(HostType, LServer, Opts)). |
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|
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|
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-spec does_user_exist(HostType :: mongooseim:host_type(), |
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LUser :: jid:luser(), |
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LServer :: jid:lserver()) -> boolean() | {error, atom()}. |
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does_user_exist(HostType, LUser, LServer) -> |
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:-( |
case catch does_user_exist_in_ldap(HostType, LUser, LServer) of |
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:-( |
{'EXIT', Error} -> {error, Error}; |
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:-( |
Result -> Result |
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end. |
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|
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|
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-spec remove_user(HostType :: mongooseim:host_type(), |
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LUser :: jid:luser(), |
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LServer :: jid:lserver()) -> ok | {error, not_allowed}. |
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remove_user(HostType, LUser, LServer) -> |
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:-( |
{ok, State} = eldap_utils:get_state(HostType, ?MODULE), |
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:-( |
case find_user_dn(LUser, LServer, State) of |
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:-( |
false -> {error, not_allowed}; |
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:-( |
DN -> eldap_pool:delete(State#state.eldap_id, DN) |
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end. |
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|
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%% Multiple domains are not supported for in-band registration |
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-spec supported_features() -> [atom()]. |
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:-( |
supported_features() -> [dynamic_domains]. |
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|
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%%%---------------------------------------------------------------------- |
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%%% Internal functions |
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%%%---------------------------------------------------------------------- |
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|
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-spec verify_user_exists(mongoose_credentials:t()) -> |
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{ok, mongoose_credentials:t()} | {error, not_authorized}. |
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verify_user_exists(Creds) -> |
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:-( |
User = mongoose_credentials:get(Creds, username), |
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:-( |
case jid:nodeprep(User) of |
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|
error -> |
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:-( |
error({nodeprep_error, User}); |
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|
LUser -> |
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:-( |
LServer = mongoose_credentials:lserver(Creds), |
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:-( |
HostType = mongoose_credentials:host_type(Creds), |
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:-( |
case does_user_exist(HostType, LUser, LServer) of |
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:-( |
true -> {ok, mongoose_credentials:extend(Creds, [{auth_module, ?MODULE}])}; |
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:-( |
false -> {error, not_authorized} |
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|
end |
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end. |
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|
|
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|
-spec check_password_ldap(HostType :: mongooseim:host_type(), |
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|
LUser :: jid:luser(), |
| 260 |
|
LServer :: jid:lserver(), |
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|
Password :: binary()) -> boolean(). |
| 262 |
|
check_password_ldap(HostType, LUser, LServer, Password) -> |
| 263 |
:-( |
{ok, State} = eldap_utils:get_state(HostType, ?MODULE), |
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:-( |
case find_user_dn(LUser, LServer, State) of |
| 265 |
:-( |
false -> false; |
| 266 |
|
DN -> |
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:-( |
case eldap_pool:bind(State#state.bind_eldap_id, DN, Password) of |
| 268 |
:-( |
ok -> true; |
| 269 |
:-( |
_ -> false |
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|
end |
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|
end. |
| 272 |
|
|
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|
|
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|
-spec get_registered_users_ldap(mongooseim:host_type(), jid:lserver()) -> [jid:simple_bare_jid()]. |
| 275 |
|
get_registered_users_ldap(HostType, LServer) -> |
| 276 |
:-( |
{ok, State} = eldap_utils:get_state(HostType, ?MODULE), |
| 277 |
:-( |
UIDs = State#state.uids, |
| 278 |
:-( |
EldapID = State#state.eldap_id, |
| 279 |
:-( |
ResAttrs = result_attrs(State), |
| 280 |
:-( |
case eldap_filter:parse(State#state.sfilter) of |
| 281 |
|
{ok, EldapFilter} -> |
| 282 |
:-( |
case eldap_pool:search(EldapID, |
| 283 |
|
[{base, State#state.base}, |
| 284 |
|
{filter, EldapFilter}, |
| 285 |
|
{timeout, ?LDAP_SEARCH_TIMEOUT}, |
| 286 |
|
{deref, State#state.deref}, |
| 287 |
|
{attributes, ResAttrs}]) of |
| 288 |
|
#eldap_search_result{entries = Entries} -> |
| 289 |
:-( |
get_users_from_ldap_entries(Entries, UIDs, LServer, State); |
| 290 |
:-( |
_ -> [] |
| 291 |
|
end; |
| 292 |
:-( |
_ -> [] |
| 293 |
|
end. |
| 294 |
|
|
| 295 |
|
-spec get_users_from_ldap_entries(list(), [{binary()} | {binary(), binary()}], |
| 296 |
|
jid:lserver(), state()) -> list(). |
| 297 |
|
get_users_from_ldap_entries(LDAPEntries, UIDs, LServer, State) -> |
| 298 |
:-( |
lists:flatmap( |
| 299 |
|
fun(#eldap_entry{attributes = Attrs, |
| 300 |
|
object_name = DN}) -> |
| 301 |
:-( |
case is_valid_dn(DN, LServer, Attrs, State) of |
| 302 |
:-( |
false -> []; |
| 303 |
|
true -> |
| 304 |
:-( |
get_user_from_ldap_attributes(UIDs, Attrs, LServer) |
| 305 |
|
end |
| 306 |
|
end, |
| 307 |
|
LDAPEntries). |
| 308 |
|
|
| 309 |
|
-spec get_user_from_ldap_attributes([{binary()} | {binary(), binary()}], |
| 310 |
|
[{binary(), [binary()]}], jid:lserver()) |
| 311 |
|
-> list(). |
| 312 |
|
get_user_from_ldap_attributes(UIDs, Attributes, LServer) -> |
| 313 |
:-( |
case eldap_utils:find_ldap_attrs(UIDs, Attributes) of |
| 314 |
:-( |
<<"">> -> []; |
| 315 |
|
{User, UIDFormat} -> |
| 316 |
:-( |
case eldap_utils:get_user_part(User, UIDFormat) of |
| 317 |
|
{ok, U} -> |
| 318 |
:-( |
[{U, LServer}]; |
| 319 |
:-( |
_ -> [] |
| 320 |
|
end |
| 321 |
|
end. |
| 322 |
|
|
| 323 |
|
-spec does_user_exist_in_ldap(HostType :: mongooseim:host_type(), |
| 324 |
|
LUser :: jid:luser(), |
| 325 |
|
LServer :: jid:lserver()) -> boolean(). |
| 326 |
|
does_user_exist_in_ldap(HostType, LUser, LServer) -> |
| 327 |
:-( |
{ok, State} = eldap_utils:get_state(HostType, ?MODULE), |
| 328 |
:-( |
case find_user_dn(LUser, LServer, State) of |
| 329 |
:-( |
false -> false; |
| 330 |
:-( |
_DN -> true |
| 331 |
|
end. |
| 332 |
|
|
| 333 |
|
handle_call(get_state, _From, State) -> |
| 334 |
:-( |
{reply, {ok, State}, State}; |
| 335 |
|
handle_call(stop, _From, State) -> |
| 336 |
:-( |
{stop, normal, ok, State}; |
| 337 |
|
handle_call(_Request, _From, State) -> |
| 338 |
:-( |
{reply, bad_request, State}. |
| 339 |
|
|
| 340 |
|
-spec find_user_dn(LUser :: jid:luser(), |
| 341 |
|
LServer :: jid:lserver(), |
| 342 |
|
State :: state()) -> false | eldap_utils:dn(). |
| 343 |
|
find_user_dn(LUser, LServer, State) -> |
| 344 |
:-( |
ResAttrs = result_attrs(State), |
| 345 |
:-( |
case eldap_filter:parse(State#state.ufilter, [{<<"%u">>, LUser}]) of |
| 346 |
|
{ok, Filter} -> |
| 347 |
:-( |
SearchOpts = find_user_opts(Filter, ResAttrs, State), |
| 348 |
:-( |
case eldap_pool:search(State#state.eldap_id, SearchOpts) of |
| 349 |
|
#eldap_search_result{entries = |
| 350 |
|
[#eldap_entry{attributes = Attrs, |
| 351 |
|
object_name = DN} |
| 352 |
|
| _]} -> |
| 353 |
:-( |
dn_filter(DN, LServer, Attrs, State); |
| 354 |
:-( |
_ -> false |
| 355 |
|
end; |
| 356 |
:-( |
_ -> false |
| 357 |
|
end. |
| 358 |
|
|
| 359 |
|
find_user_opts(Filter, ResAttrs, State) -> |
| 360 |
:-( |
[{base, State#state.base}, {filter, Filter}, |
| 361 |
|
{deref, State#state.deref}, {attributes, ResAttrs}]. |
| 362 |
|
|
| 363 |
|
|
| 364 |
|
%% @doc apply the dn filter and the local filter: |
| 365 |
|
-spec dn_filter(DN :: eldap_utils:dn(), |
| 366 |
|
LServer :: jid:lserver(), |
| 367 |
|
Attrs :: [{binary(), [any()]}], |
| 368 |
|
State :: state()) -> false | eldap_utils:dn(). |
| 369 |
|
dn_filter(DN, LServer, Attrs, State) -> |
| 370 |
:-( |
case check_local_filter(Attrs, State) of |
| 371 |
:-( |
false -> false; |
| 372 |
|
true -> |
| 373 |
:-( |
case is_valid_dn(DN, LServer, Attrs, State) of |
| 374 |
:-( |
true -> DN; |
| 375 |
:-( |
false -> false |
| 376 |
|
end |
| 377 |
|
end. |
| 378 |
|
|
| 379 |
|
%% @doc Check that the DN is valid, based on the dn filter |
| 380 |
|
-spec is_valid_dn(DN :: eldap_utils:dn(), |
| 381 |
|
LServer :: jid:lserver(), |
| 382 |
|
Attrs :: [{binary(), [any()]}], |
| 383 |
|
State :: state()) -> boolean(). |
| 384 |
:-( |
is_valid_dn(_DN, _LServer, _, #state{dn_filter = undefined}) -> true; |
| 385 |
|
is_valid_dn(DN, LServer, Attrs, State) -> |
| 386 |
:-( |
DNAttrs = State#state.dn_filter_attrs, |
| 387 |
:-( |
UIDs = State#state.uids, |
| 388 |
:-( |
Values = [{<<"%s">>, eldap_utils:get_ldap_attr(Attr, Attrs), 1} |
| 389 |
:-( |
|| Attr <- DNAttrs], |
| 390 |
:-( |
SubstValues = case eldap_utils:find_ldap_attrs(UIDs, Attrs) of |
| 391 |
:-( |
<<>> -> Values; |
| 392 |
|
{S, UAF} -> |
| 393 |
:-( |
case eldap_utils:get_user_part(S, UAF) of |
| 394 |
:-( |
{ok, U} -> [{<<"%u">>, U} | Values]; |
| 395 |
:-( |
_ -> Values |
| 396 |
|
end |
| 397 |
|
end ++ [{<<"%d">>, LServer}, {<<"%D">>, DN}], |
| 398 |
:-( |
case eldap_filter:parse(State#state.dn_filter, SubstValues) of |
| 399 |
|
{ok, EldapFilter} -> |
| 400 |
:-( |
case eldap_pool:search(State#state.eldap_id, |
| 401 |
|
[{base, State#state.base}, |
| 402 |
|
{filter, EldapFilter}, |
| 403 |
|
{deref, State#state.deref}, |
| 404 |
|
{attributes, [<<"dn">>]}]) |
| 405 |
|
of |
| 406 |
:-( |
#eldap_search_result{entries = [_ | _]} -> true; |
| 407 |
:-( |
_ -> false |
| 408 |
|
end; |
| 409 |
:-( |
_ -> false |
| 410 |
|
end. |
| 411 |
|
|
| 412 |
|
|
| 413 |
|
%% @doc The local filter is used to check an attribute in ejabberd |
| 414 |
|
%% and not in LDAP to limit the load on the LDAP directory. |
| 415 |
|
%% A local rule can be either: |
| 416 |
|
%% {equal, {"accountStatus", ["active"]}} |
| 417 |
|
%% {notequal, {"accountStatus", ["disabled"]}} |
| 418 |
|
%% {ldap_local_filter, {notequal, {"accountStatus", ["disabled"]}}} |
| 419 |
|
-spec check_local_filter(Attrs :: [{binary(), [any()]}], |
| 420 |
|
State :: state()) -> boolean(). |
| 421 |
|
check_local_filter(_Attrs, |
| 422 |
|
#state{lfilter = undefined}) -> |
| 423 |
:-( |
true; |
| 424 |
|
check_local_filter(Attrs, |
| 425 |
|
#state{lfilter = LocalFilter}) -> |
| 426 |
:-( |
{Operation, FilterMatch} = LocalFilter, |
| 427 |
:-( |
local_filter(Operation, Attrs, FilterMatch). |
| 428 |
|
|
| 429 |
|
|
| 430 |
|
-spec local_filter('equal' | 'notequal', |
| 431 |
|
Attrs :: [{binary(), [any()]}], |
| 432 |
|
FilterMatch :: {_, _}) -> boolean(). |
| 433 |
|
local_filter(equal, Attrs, FilterMatch) -> |
| 434 |
:-( |
{Attr, Value} = FilterMatch, |
| 435 |
:-( |
case lists:keysearch(Attr, 1, Attrs) of |
| 436 |
:-( |
false -> false; |
| 437 |
:-( |
{value, {Attr, Value}} -> true; |
| 438 |
:-( |
_ -> false |
| 439 |
|
end; |
| 440 |
|
local_filter(notequal, Attrs, FilterMatch) -> |
| 441 |
:-( |
not local_filter(equal, Attrs, FilterMatch). |
| 442 |
|
|
| 443 |
|
|
| 444 |
|
-spec result_attrs(state()) -> maybe_improper_list(). |
| 445 |
|
result_attrs(#state{uids = UIDs, |
| 446 |
|
dn_filter_attrs = DNFilterAttrs}) -> |
| 447 |
:-( |
lists:foldl(fun ({UID}, Acc) -> [UID | Acc]; |
| 448 |
:-( |
({UID, _}, Acc) -> [UID | Acc] |
| 449 |
|
end, |
| 450 |
|
DNFilterAttrs, UIDs). |
| 451 |
|
|
| 452 |
|
%%%---------------------------------------------------------------------- |
| 453 |
|
%%% Auxiliary functions |
| 454 |
|
%%%---------------------------------------------------------------------- |
| 455 |
|
|
| 456 |
|
-spec parse_options(HostType :: mongooseim:host_type()) -> state(). |
| 457 |
|
parse_options(HostType) -> |
| 458 |
:-( |
Opts = mongoose_config:get_opt([{auth, HostType}, ldap]), |
| 459 |
:-( |
#{pool_tag := PoolTag, |
| 460 |
|
bind_pool_tag := BindPoolTag, |
| 461 |
|
base := Base, |
| 462 |
|
deref := Deref, |
| 463 |
|
uids := RawUIDs, |
| 464 |
|
filter := RawUserFilter, |
| 465 |
|
dn_filter := {DNFilter, DNFilterAttrs}, |
| 466 |
|
local_filter := LocalFilter} = Opts, |
| 467 |
:-( |
EldapID = {HostType, PoolTag}, |
| 468 |
:-( |
BindEldapID = {HostType, BindPoolTag}, |
| 469 |
:-( |
DerefAliases = eldap_utils:deref_aliases(Deref), |
| 470 |
:-( |
UIDs = eldap_utils:uids_domain_subst(HostType, RawUIDs), |
| 471 |
:-( |
UserFilter = eldap_utils:process_user_filter(UIDs, RawUserFilter), |
| 472 |
:-( |
SearchFilter = eldap_utils:get_search_filter(UserFilter), |
| 473 |
:-( |
#state{host_type = HostType, |
| 474 |
|
eldap_id = EldapID, |
| 475 |
|
bind_eldap_id = BindEldapID, |
| 476 |
|
base = Base, |
| 477 |
|
deref = DerefAliases, |
| 478 |
|
uids = UIDs, |
| 479 |
|
ufilter = UserFilter, |
| 480 |
|
sfilter = SearchFilter, |
| 481 |
|
lfilter = LocalFilter, |
| 482 |
|
dn_filter = DNFilter, |
| 483 |
|
dn_filter_attrs = DNFilterAttrs}. |