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xmpp.chapril.org-ejabberd/src/ejabberd_auth_pam.erl

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2007-10-01 12:49:42 +02:00
%%%-------------------------------------------------------------------
%%% File : ejabberd_auth_pam.erl
%%% Author : Evgeniy Khramtsov <xram@jabber.ru>
%%% Purpose : PAM authentication
%%% Created : 5 Jul 2007 by Evgeniy Khramtsov <xram@jabber.ru>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2008 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., 59 Temple Place, Suite 330, Boston, MA
%%% 02111-1307 USA
%%%
2007-10-01 12:49:42 +02:00
%%%-------------------------------------------------------------------
-module(ejabberd_auth_pam).
-author('xram@jabber.ru').
%% 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
]).
%%====================================================================
%% API
%%====================================================================
start(_Host) ->
case epam:start() of
{ok, _} -> ok;
{error,{already_started, _}} -> ok;
Err -> Err
end.
set_password(_User, _Server, _Password) ->
{error, not_allowed}.
check_password(User, Server, Password, _StreamID, _Digest) ->
check_password(User, Server, Password).
check_password(User, Host, Password) ->
Service = get_pam_service(Host),
case catch epam:authenticate(Service, User, Password) of
true -> true;
_ -> false
end.
try_register(_User, _Server, _Password) ->
{error, not_allowed}.
dirty_get_registered_users() ->
[].
get_vh_registered_users(_Host) ->
[].
get_password(_User, _Server) ->
false.
get_password_s(_User, _Server) ->
"".
is_user_exists(User, Host) ->
Service = get_pam_service(Host),
case catch epam:acct_mgmt(Service, User) of
true -> true;
_ -> false
end.
remove_user(_User, _Server) ->
{error, not_allowed}.
remove_user(_User, _Server, _Password) ->
{error, not_allowed}.
plain_password_required() ->
true.
%%====================================================================
%% Internal functions
%%====================================================================
get_pam_service(Host) ->
case ejabberd_config:get_local_option({pam_service, Host}) of
undefined -> "ejabberd";
Service -> Service
end.