Blame src/internal/ntapi_open.c

d37adb
/********************************************************/
d37adb
/*  ntapi: Native API core library                      */
64e606
/*  Copyright (C) 2013--2021  SysDeer Technologies, LLC */
d37adb
/*  Released under GPLv2 and GPLv3; see COPYING.NTAPI.  */
d37adb
/********************************************************/
d37adb
d37adb
#include <psxtypes/psxtypes.h>
d37adb
#include <ntapi/ntapi.h>
d37adb
#include "ntapi_impl.h"
d37adb
d37adb
static int32_t __ntapi_tt_open_utf8(
d37adb
	void **		hfile,
d37adb
	void *		hat,
d37adb
	const char *	arg,
d37adb
	uint32_t	options,
d37adb
	int		fprivate,
d37adb
	wchar16_t *	buffer,
d37adb
	uint32_t	buflen)
d37adb
{
d37adb
	int32_t						status;
d37adb
	nt_oa						oa;
d37adb
	nt_iosb						iosb;
d37adb
	nt_unicode_string				path;
d37adb
	nt_unicode_conversion_params_utf8_to_utf16	params = {0,0,0,0,0,0,0,0,0};
d37adb
	wchar16_t *					wch;
d37adb
	size_t						nbytes;
d37adb
d37adb
	/* utf-8 --> utf-16 */
d37adb
	params.src		 = (const unsigned char *)arg;
d37adb
	params.src_size_in_bytes = __ntapi->tt_string_null_offset_multibyte(arg);
d37adb
	params.dst		 = buffer;
d37adb
	params.dst_size_in_bytes = buflen;
d37adb
d37adb
	if ((status = __ntapi->uc_convert_unicode_stream_utf8_to_utf16(&params)))
d37adb
		return status;
d37adb
d37adb
	/* convenience */
d37adb
	for (wch=buffer, nbytes=params.bytes_written; nbytes; ) {
d37adb
		if (*wch == '/')
d37adb
			*wch = '\\';
d37adb
d37adb
		nbytes -= sizeof(wchar16_t);
d37adb
		wch++;
d37adb
	}
d37adb
d37adb
	/* path */
d37adb
	path.maxlen = 0;
d37adb
	path.strlen = (uint16_t)params.bytes_written;
d37adb
	path.buffer = buffer;
d37adb
d37adb
	/* oa */
d37adb
	oa.len      = sizeof(nt_oa);
d37adb
	oa.root_dir = (buffer[0]=='\\') ? 0 : hat;
d37adb
	oa.obj_name = &pat;;
d37adb
	oa.obj_attr = fprivate ? 0 : NT_OBJ_INHERIT;
d37adb
	oa.sec_desc = 0;
d37adb
	oa.sec_qos  = 0;
d37adb
d37adb
	/* open */
d37adb
	return __ntapi->zw_open_file(
d37adb
		hfile,
d37adb
		NT_SEC_SYNCHRONIZE | NT_FILE_READ_ATTRIBUTES | NT_FILE_READ_DATA,
d37adb
		&oa,&iosb,
d37adb
		NT_FILE_SHARE_READ | NT_FILE_SHARE_WRITE | NT_FILE_SHARE_DELETE,
d37adb
		options | NT_FILE_SYNCHRONOUS_IO_ALERT);
d37adb
}
d37adb
d37adb
int32_t __ntapi_tt_open_file_utf8(
d37adb
	void **		hfile,
d37adb
	void *		hat,
d37adb
	const char *	arg,
d37adb
	int		fprivate,
d37adb
	wchar16_t *	buffer,
d37adb
	uint32_t	buflen)
d37adb
{
d37adb
	return __ntapi_tt_open_utf8(
d37adb
		hfile,hat,arg,
d37adb
		NT_FILE_NON_DIRECTORY_FILE,
d37adb
		fprivate,buffer,buflen);
d37adb
}
d37adb
d37adb
int32_t __ntapi_tt_open_dir_utf8(
d37adb
	void **		hfile,
d37adb
	void *		hat,
d37adb
	const char *	arg,
d37adb
	int		fprivate,
d37adb
	wchar16_t *	buffer,
d37adb
	uint32_t	buflen)
d37adb
{
d37adb
	return __ntapi_tt_open_utf8(
d37adb
		hfile,hat,arg,
d37adb
		NT_FILE_DIRECTORY_FILE,
d37adb
		fprivate,buffer,buflen);
d37adb
}