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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"
/**
* Return a guest logon for guest users (username = "")
*
* Typically used as the first module in the auth chain, this allows
* guest logons to be delt with in one place. Non-gust logons 'fail'
* and pass onto the next module.
**/
static NTSTATUS check_guest_security(const struct auth_context *auth_context,
void *my_private_data,
TALLOC_CTX *mem_ctx,
const auth_usersupplied_info *user_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;
}
/* Guest modules initialisation */
BOOL auth_init_guest(struct auth_context *auth_context, auth_methods **auth_method)
{
if (!make_auth_methods(auth_context, auth_method)) {
return False;
}
(*auth_method)->auth = check_guest_security;
return True;
}
/**
* Return an error based on username
*
* This function allows the testing of obsure errors, as well as the generation
* of NT_STATUS -> DOS error mapping tables.
*
* This module is of no value to end-users.
*
* The password is ignored.
*
* @return An NTSTATUS value based on the username
**/
static NTSTATUS check_name_to_ntstatus_security(const struct auth_context *auth_context,
void *my_private_data,
TALLOC_CTX *mem_ctx,
const auth_usersupplied_info *user_info,
auth_serversupplied_info **server_info)
{
NTSTATUS nt_status;
fstring user;
long error_num;
fstrcpy(user, user_info->smb_name.str);
if (strncasecmp("NT_STATUS", user, strlen("NT_STATUS")) == 0) {
strupper(user);
return nt_status_string_to_code(user);
}
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;
}
/** Module initailisation function */
BOOL auth_init_name_to_ntstatus(struct auth_context *auth_context, auth_methods **auth_method)
{
if (!make_auth_methods(auth_context, auth_method)) {
return False;
}
(*auth_method)->auth = check_name_to_ntstatus_security;
return True;
}
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