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ejabberd_auth_ldap.erl
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ejabberd_auth_ldap.erl
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%%%----------------------------------------------------------------------
%%% File : ejabberd_auth_ldap.erl
%%% Author : Alexey Shchepin <alexey@sevcom.net>
%%% Purpose : Authentification via LDAP
%%% Created : 12 Dec 2004 by Alexey Shchepin <alexey@sevcom.net>
%%% Id : $Id$
%%%----------------------------------------------------------------------
-module(ejabberd_auth_ldap).
-author('alexey@sevcom.net').
-vsn('$Revision$ ').
%% External exports
-export([start/1,
set_password/3,
check_password/3,
check_password/5,
try_register/3,
dirty_get_registered_users/0,
get_vh_registered_users/1,
get_password/2,
get_password_s/2,
is_user_exists/2,
remove_user/2,
remove_user/3,
plain_password_required/0
]).
-include("ejabberd.hrl").
-include("eldap/eldap.hrl").
%%%----------------------------------------------------------------------
%%% API
%%%----------------------------------------------------------------------
start(Host) ->
LDAPServers = ejabberd_config:get_local_option({ldap_servers, Host}),
RootDN = ejabberd_config:get_local_option({ldap_rootdn, Host}),
Password = ejabberd_config:get_local_option({ldap_password, Host}),
eldap:start_link(get_eldap_id(Host, ejabberd),
LDAPServers, 389, RootDN, Password),
eldap:start_link(get_eldap_id(Host, ejabberd_bind),
LDAPServers, 389, RootDN, Password),
ok.
plain_password_required() ->
true.
check_password(User, Server, Password) ->
case find_user_dn(User, Server) of
false ->
false;
DN ->
LServer = jlib:nameprep(Server),
case eldap:bind(get_eldap_id(LServer, ejabberd_bind),
DN, Password) of
ok ->
true;
_ ->
false
end
end.
check_password(User, Server, Password, _StreamID, _Digest) ->
check_password(User, Server, Password).
set_password(_User, _Server, _Password) ->
{error, not_allowed}.
try_register(_User, _Server, _Password) ->
{error, not_allowed}.
dirty_get_registered_users() ->
get_vh_registered_users(?MYNAME).
get_vh_registered_users(Server) ->
LServer = jlib:nameprep(Server),
Attr = ejabberd_config:get_local_option({ldap_uidattr, LServer}),
Filter = eldap:present(Attr),
Base = ejabberd_config:get_local_option({ldap_base, LServer}),
case eldap:search(get_eldap_id(LServer, ejabberd),
[{base, Base},
{filter, Filter},
{attributes, [Attr]}]) of
#eldap_search_result{entries = Es} ->
lists:flatmap(
fun(E) ->
case lists:keysearch(Attr, 1, E#eldap_entry.attributes) of
{value, {_, [U]}} ->
case jlib:nodeprep(U) of
error ->
[];
LU ->
[{LU, LServer}]
end;
_ ->
[]
end
end, Es);
_ ->
[]
end.
get_password(_User, _Server) ->
false.
get_password_s(_User, _Server) ->
"".
is_user_exists(User, Server) ->
case find_user_dn(User, Server) of
false ->
false;
_DN ->
true
end.
remove_user(_User, _Server) ->
{error, not_allowed}.
remove_user(_User, _Server, _Password) ->
not_allowed.
%%%----------------------------------------------------------------------
%%% Internal functions
%%%----------------------------------------------------------------------
find_user_dn(User, Server) ->
LServer = jlib:nameprep(Server),
Attr = ejabberd_config:get_local_option({ldap_uidattr, LServer}),
Filter = eldap:equalityMatch(Attr, User),
Base = ejabberd_config:get_local_option({ldap_base, LServer}),
case eldap:search(get_eldap_id(LServer, ejabberd),
[{base, Base},
{filter, Filter},
{attributes, []}]) of
#eldap_search_result{entries = [E | _]} ->
E#eldap_entry.object_name;
_ ->
false
end.
get_eldap_id(Host, Name) ->
atom_to_list(gen_mod:get_module_proc(Host, Name)).