/* $OpenBSD: direntry.h,v 1.3 2023/08/11 04:51:36 guenther Exp $ */ /* $NetBSD: direntry.h,v 1.13 1997/10/17 11:23:45 ws Exp $ */ /*- * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank. * Copyright (C) 1994, 1995, 1997 TooLs GmbH. * All rights reserved. * Original code by Paul Popelka (paulp@uts.amdahl.com) (see below). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by TooLs GmbH. * 4. The name of TooLs GmbH may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Written by Paul Popelka (paulp@uts.amdahl.com) * * You can do anything you want with this software, just don't say you wrote * it, and don't remove this notice. * * This software is provided "as is". * * The author supplies this software to be publicly redistributed on the * understanding that the author is not responsible for the correct * functioning of this software in any circumstances and is not liable for * any damages caused by this software. * * October 1992 */ /* * Structure of a dos directory entry. */ struct direntry { u_int8_t deName[8]; /* filename, blank filled */ #define SLOT_EMPTY 0x00 /* slot has never been used */ #define SLOT_E5 0x05 /* the real value is 0xe5 */ #define SLOT_DELETED 0xe5 /* file in this slot deleted */ u_int8_t deExtension[3]; /* extension, blank filled */ u_int8_t deAttributes; /* file attributes */ #define ATTR_NORMAL 0x00 /* normal file */ #define ATTR_READONLY 0x01 /* file is readonly */ #define ATTR_HIDDEN 0x02 /* file is hidden */ #define ATTR_SYSTEM 0x04 /* file is a system file */ #define ATTR_VOLUME 0x08 /* entry is a volume label */ #define ATTR_DIRECTORY 0x10 /* entry is a directory name */ #define ATTR_ARCHIVE 0x20 /* file is new or modified */ u_int8_t deLowerCase; /* case for base and extension */ #define CASE_LOWER_BASE 0x08 /* base is lower case */ #define CASE_LOWER_EXT 0x10 /* extension is lower case */ u_int8_t deCTimeHundredth; /* create time, 1/100th of a sec */ u_int8_t deCTime[2]; /* create time */ u_int8_t deCDate[2]; /* create date */ u_int8_t deADate[2]; /* access date */ u_int8_t deHighClust[2]; /* high byte of cluster number */ u_int8_t deMTime[2]; /* last update time */ u_int8_t deMDate[2]; /* last update date */ u_int8_t deStartCluster[2]; /* starting cluster of file */ u_int8_t deFileSize[4]; /* size of file in bytes */ }; /* * Structure of a Win95 long name directory entry */ struct winentry { u_int8_t weCnt; #define WIN_LAST 0x40 #define WIN_CNT 0x3f u_int8_t wePart1[10]; u_int8_t weAttributes; #define ATTR_WIN95 0x0f u_int8_t weReserved1; u_int8_t weChksum; u_int8_t wePart2[12]; u_int16_t weReserved2; u_int8_t wePart3[4]; }; #define WIN_CHARS 13 /* Number of chars per winentry */ /* * This is the format of the contents of the deTime field in the direntry * structure. * We don't use bitfields because we don't know how compilers for * arbitrary machines will lay them out. */ #define DT_2SECONDS_MASK 0x1F /* seconds divided by 2 */ #define DT_2SECONDS_SHIFT 0 #define DT_MINUTES_MASK 0x7E0 /* minutes */ #define DT_MINUTES_SHIFT 5 #define DT_HOURS_MASK 0xF800 /* hours */ #define DT_HOURS_SHIFT 11 /* * This is the format of the contents of the deDate field in the direntry * structure. */ #define DD_DAY_MASK 0x1F /* day of month */ #define DD_DAY_SHIFT 0 #define DD_MONTH_MASK 0x1E0 /* month */ #define DD_MONTH_SHIFT 5 #define DD_YEAR_MASK 0xFE00 /* year - 1980 */ #define DD_YEAR_SHIFT 9 void unix2dostime(const struct timespec *tsp, int minuteswest, u_int16_t *ddp, u_int16_t *dtp, u_int8_t *dhp); int unix2dosfn(u_char *un, u_char dn[11], int unlen, u_int gen); int unix2winfn(u_char *un, int unlen, struct winentry *wep, int cnt, int chksum); int winChkName(u_char *un, int unlen, struct winentry *wep, int chksum); u_int8_t winChksum(u_int8_t *name); int winSlotCnt(u_char *un, int unlen);
