source4/auth/auth_anonymous.c

   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 #include "librpc/gen_ndr/ndr_samr.h"
  26 #include "librpc/gen_ndr/ndr_security.h"
  27
  28 /**
  29  * Return a anonymous logon for anonymous users (username = "")
  30  *
  31  * Typically used as the first module in the auth chain, this allows
  32  * anonymou logons to be dealt with in one place.  Non-anonymou logons 'fail'
  33  * and pass onto the next module.
  34  **/
  35 static NTSTATUS anonymous_check_password(struct auth_method_context *ctx,
  36                                          TALLOC_CTX *mem_ctx,
  37                                          const struct auth_usersupplied_info *user_info,
  38                                          struct auth_serversupplied_info **_server_info)
  39 {
  40         if (user_info->client.account_name && *user_info->client.account_name) {
  41                 return NT_STATUS_NOT_IMPLEMENTED;
  42         }
  43
  44         return auth_anonymous_server_info(mem_ctx, _server_info);
  45 }
  46
  47 static struct auth_operations anonymous_auth_ops = {
  48         .name           = "anonymous",
  49         .get_challenge  = auth_get_challenge_not_implemented,
  50         .check_password = anonymous_check_password
  51 };
  52
  53 NTSTATUS auth_anonymous_init(void)
  54 {
  55         NTSTATUS ret;
  56
  57         ret = auth_register(&anonymous_auth_ops);
  58         if (!NT_STATUS_IS_OK(ret)) {
  59                 DEBUG(0,("Failed to register 'anonymous' auth backend!\n"));
  60                 return ret;
  61         }
  62
  63         return ret;
  64 }