/********************************************************/

/*  ntapi: Native API core library                      */

/*  Copyright (C) 2013--2018  Z. Gilboa                 */

/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */

/********************************************************/

#include <ntapi/ntapi.h>

#include <ntapi/nt_file.h>

#include "ntapi_impl.h"

struct __ntapi_volume_name {

	wchar16_t		global[4];

	wchar16_t		volume[6];

	nt_guid_str_utf16	guid;

};

int32_t	__stdcall __ntapi_tt_open_volume_by_guid(

	__out	void **			hfile,

	__in	const nt_guid *		guid,

	__in	uint32_t		access,

	__in	nt_object_attributes *	oaarg,

	__out	nt_io_status_block *	iosb,

	__in	uint32_t		share,

	__in	uint32_t		options)

{

	struct __ntapi_volume_name	name;

	nt_unicode_string		path;

	nt_object_attributes		oa;

	if (!oaarg)

		oaarg = &(nt_object_attributes){sizeof(*oaarg),0,0,0,0,0};

	else if (oaarg->obj_name)

		return NT_STATUS_INVALID_PARAMETER;

	name.global[0] = '\\';

	name.global[1] = '?';

	name.global[2] = '?';

	name.global[3] = '\\';

	name.volume[0] = 'V';

	name.volume[1] = 'o';

	name.volume[2] = 'l';

	name.volume[3] = 'u';

	name.volume[4] = 'm';

	name.volume[5] = 'e';

	__ntapi->tt_guid_to_string_utf16(

		guid,&name.guid);

	path.strlen = sizeof(name);

	path.maxlen = 0;

	path.buffer = &name.global[0];

	oa.len      = oaarg->len;

	oa.root_dir = oaarg->root_dir;

	oa.obj_name = &pat;;

	oa.obj_attr = oaarg->obj_attr;

	oa.sec_desc = oaarg->sec_desc;

	oa.sec_qos  = oaarg->sec_qos;

	return __ntapi->zw_open_file(

		hfile,access,&oa,iosb,

		share,options);

}