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/* 
   Unix SMB/Netbios implementation.
   Version 3.0.
   Generic authenticaion types
   Copyright (C) Andrew Bartlett              2001
   
   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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"

/****************************************************************************
 Check for a guest logon (username = "") and if so create the required 
 structure.
****************************************************************************/

static NTSTATUS check_guest_security(void *my_private_data, 
			      const auth_usersupplied_info *user_info, 
			      const auth_authsupplied_info *auth_info,
			      auth_serversupplied_info **server_info)
{
	NTSTATUS nt_status = NT_STATUS_LOGON_FAILURE;

	if (!(user_info->internal_username.str 
	      && *user_info->internal_username.str)) { 
		if (make_server_info_guest(server_info)) {
			nt_status = NT_STATUS_OK;
		} else {
			nt_status = NT_STATUS_NO_SUCH_USER;
		}
	}

	return nt_status;
}

BOOL auth_init_guest(auth_methods **auth_method) 
{
	if (!make_auth_methods(auth_method)) {
		return False;
	}

	(*auth_method)->auth = check_guest_security;
	return True;
}

/****************************************************************************
 Return an error based on username
****************************************************************************/

static NTSTATUS check_name_to_ntstatus_security(void *my_private_data,
						const auth_usersupplied_info *user_info, 
						const auth_authsupplied_info *auth_info,
						auth_serversupplied_info **server_info)
{
	NTSTATUS nt_status;
	fstring user;
	long error_num;
	fstrcpy(user, user_info->smb_name.str);
	strlower(user);
	error_num = strtoul(user, NULL, 16);
	
	DEBUG(5,("Error for user %s was %lx\n", user, error_num));

	nt_status = NT_STATUS(error_num);
	
	return nt_status;
}

BOOL auth_init_name_to_ntstatus(auth_methods **auth_method) 
{
	if (!make_auth_methods(auth_method)) {
		return False;
	}

	(*auth_method)->auth = check_name_to_ntstatus_security;
	return True;
}