mirror of
https://github.com/processone/ejabberd.git
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122 lines
3.4 KiB
Erlang
122 lines
3.4 KiB
Erlang
%%%-------------------------------------------------------------------
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%%% File : ejabberd_auth_pam.erl
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%%% Author : Evgeniy Khramtsov <xram@jabber.ru>
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%%% Purpose : PAM authentication
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%%% Created : 5 Jul 2007 by Evgeniy Khramtsov <xram@jabber.ru>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2010 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., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%-------------------------------------------------------------------
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-module(ejabberd_auth_pam).
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-author('xram@jabber.ru').
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%% External exports
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-export([start/1,
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set_password/3,
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check_password/3,
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check_password/5,
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try_register/3,
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dirty_get_registered_users/0,
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get_vh_registered_users/1,
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get_password/2,
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get_password_s/2,
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is_user_exists/2,
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remove_user/2,
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remove_user/3,
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plain_password_required/0
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]).
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%%====================================================================
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%% API
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%%====================================================================
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start(_Host) ->
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case epam:start() of
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{ok, _} -> ok;
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{error,{already_started, _}} -> ok;
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Err -> Err
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end.
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set_password(_User, _Server, _Password) ->
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{error, not_allowed}.
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check_password(User, Server, Password, _Digest, _DigestGen) ->
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check_password(User, Server, Password).
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check_password(User, Host, Password) ->
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Service = get_pam_service(Host),
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UserInfo = case get_pam_userinfotype(Host) of
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username -> User;
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jid -> User++"@"++Host
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end,
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case catch epam:authenticate(Service, UserInfo, Password) of
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true -> true;
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_ -> false
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end.
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try_register(_User, _Server, _Password) ->
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{error, not_allowed}.
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dirty_get_registered_users() ->
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[].
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get_vh_registered_users(_Host) ->
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[].
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get_password(_User, _Server) ->
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false.
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get_password_s(_User, _Server) ->
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"".
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%% @spec (User, Server) -> true | false | {error, Error}
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%% TODO: Improve this function to return an error instead of 'false' when connection to PAM failed
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is_user_exists(User, Host) ->
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Service = get_pam_service(Host),
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UserInfo = case get_pam_userinfotype(Host) of
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username -> User;
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jid -> User++"@"++Host
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end,
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case catch epam:acct_mgmt(Service, UserInfo) of
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true -> true;
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_ -> false
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end.
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remove_user(_User, _Server) ->
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{error, not_allowed}.
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remove_user(_User, _Server, _Password) ->
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not_allowed.
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plain_password_required() ->
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true.
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%%====================================================================
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%% Internal functions
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%%====================================================================
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get_pam_service(Host) ->
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case ejabberd_config:get_local_option({pam_service, Host}) of
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undefined -> "ejabberd";
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Service -> Service
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end.
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get_pam_userinfotype(Host) ->
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case ejabberd_config:get_local_option({pam_userinfotype, Host}) of
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undefined -> username;
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Type -> Type
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end.
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