1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
%%%----------------------------------------------------------------------
%%% File : ejabberd_auth_external.erl
%%% Author : Alexey Shchepin <alexey@process-one.net>
%%% Purpose : Authentification via LDAP external script
%%% Created : 12 Dec 2004 by Alexey Shchepin <alexey@process-one.net>
%%%
%%%
%%% ejabberd, Copyright (C) 2002-2018 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.,
%%% 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
%%%
%%%----------------------------------------------------------------------
-module(ejabberd_auth_external).
-behaviour(ejabberd_config).
-author('alexey@process-one.net').
-behaviour(ejabberd_auth).
-export([start/1, stop/1, set_password/3, check_password/4,
try_register/3, user_exists/2, remove_user/2,
store_type/1, plain_password_required/1, opt_type/1]).
-include("ejabberd.hrl").
-include("logger.hrl").
%%%----------------------------------------------------------------------
%%% API
%%%----------------------------------------------------------------------
start(Host) ->
Cmd = ejabberd_config:get_option({extauth_program, Host}, "extauth"),
extauth:start(Host, Cmd).
stop(Host) ->
extauth:stop(Host).
plain_password_required(_) -> true.
store_type(_) -> external.
check_password(User, AuthzId, Server, Password) ->
if AuthzId /= <<>> andalso AuthzId /= User ->
false;
true ->
check_password_extauth(User, AuthzId, Server, Password)
end.
set_password(User, Server, Password) ->
case extauth:set_password(User, Server, Password) of
true -> ok;
_ -> {error, db_failure}
end.
try_register(User, Server, Password) ->
extauth:try_register(User, Server, Password).
user_exists(User, Server) ->
try extauth:user_exists(User, Server) of
Res -> Res
catch
_:Error ->
?ERROR_MSG("external authentication program failure: ~p",
[Error]),
{error, db_failure}
end.
remove_user(User, Server) ->
case extauth:remove_user(User, Server) of
false -> {error, not_allowed};
true -> ok
end.
check_password_extauth(User, _AuthzId, Server, Password) ->
extauth:check_password(User, Server, Password) andalso
Password /= <<"">>.
-spec opt_type(extauth_cache) -> fun((false | non_neg_integer()) ->
false | non_neg_integer());
(extauth_program) -> fun((binary()) -> string());
(atom()) -> [atom()].
opt_type(extauth_cache) ->
?WARNING_MSG("option 'extauth_cache' is deprecated and has no effect, "
"use authentication or global cache configuration "
"options: auth_use_cache, auth_cache_life_time, "
"use_cache, cache_life_time, and so on", []),
fun (false) -> false;
(I) when is_integer(I), I >= 0 -> I
end;
opt_type(extauth_program) ->
fun (V) -> binary_to_list(iolist_to_binary(V)) end;
opt_type(_) -> [extauth_cache, extauth_program].
|
