1 /*
2 Unix SMB/CIFS implementation.
3
4 Anonymous Authentification
5
6 Copyright (C) Stefan Metzmacher 2004-2005
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 */
22
23 #include "includes.h"
24 #include "auth/auth.h"
25
26 /**
27 * Return a anonymous logon for anonymous users (username = "")
28 *
29 * Typically used as the first module in the auth chain, this allows
30 * anonymou logons to be dealt with in one place. Non-anonymou logons 'fail'
31 * and pass onto the next module.
32 **/
anonymous_want_check(struct auth_method_context * ctx,TALLOC_CTX * mem_ctx,const struct auth_usersupplied_info * user_info)33 static NTSTATUS anonymous_want_check(struct auth_method_context *ctx,
34 TALLOC_CTX *mem_ctx,
35 const struct auth_usersupplied_info *user_info)
36 {
37 if (user_info->client.account_name && *user_info->client.account_name) {
38 return NT_STATUS_NOT_IMPLEMENTED;
39 }
40
41 return NT_STATUS_OK;
42 }
43
44 /**
45 * Return a anonymous logon for anonymous users (username = "")
46 *
47 * Typically used as the first module in the auth chain, this allows
48 * anonymou logons to be dealt with in one place. Non-anonymou logons 'fail'
49 * and pass onto the next module.
50 **/
anonymous_check_password(struct auth_method_context * ctx,TALLOC_CTX * mem_ctx,const struct auth_usersupplied_info * user_info,struct auth_serversupplied_info ** _server_info)51 static NTSTATUS anonymous_check_password(struct auth_method_context *ctx,
52 TALLOC_CTX *mem_ctx,
53 const struct auth_usersupplied_info *user_info,
54 struct auth_serversupplied_info **_server_info)
55 {
56 return auth_anonymous_server_info(mem_ctx, _server_info);
57 }
58
59 static struct auth_operations anonymous_auth_ops = {
60 .name = "anonymous",
61 .get_challenge = auth_get_challenge_not_implemented,
62 .want_check = anonymous_want_check,
63 .check_password = anonymous_check_password
64 };
65
auth_anonymous_init(void)66 NTSTATUS auth_anonymous_init(void)
67 {
68 NTSTATUS ret;
69
70 ret = auth_register(&anonymous_auth_ops);
71 if (!NT_STATUS_IS_OK(ret)) {
72 DEBUG(0,("Failed to register 'anonymous' auth backend!\n"));
73 return ret;
74 }
75
76 return ret;
77 }
78