146 lines
5.1 KiB
C
146 lines
5.1 KiB
C
/*-
|
|
* Copyright (c) 1992 Keith Muller.
|
|
* Copyright (c) 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* Keith Muller of the University of California, San Diego.
|
|
*
|
|
* 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.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 THE REGENTS OR CONTRIBUTORS 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.
|
|
*
|
|
* @(#)tar.h 8.2 (Berkeley) 4/18/94
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* defines and data structures common to all tar formats
|
|
*/
|
|
#define CHK_LEN 8 /* length of checksum field */
|
|
#define TNMSZ 100 /* size of name field */
|
|
#ifdef _PAX_
|
|
#define NULLCNT 2 /* number of null blocks in trailer */
|
|
#define CHK_OFFSET 148 /* start of checksum field */
|
|
#define BLNKSUM 256L /* sum of checksum field using ' ' */
|
|
#endif /* _PAX_ */
|
|
|
|
/*
|
|
* Values used in typeflag field in all tar formats
|
|
* (only REGTYPE, LNKTYPE and SYMTYPE are used in old BSD tar headers)
|
|
*/
|
|
#define REGTYPE '0' /* Regular File */
|
|
#define AREGTYPE '\0' /* Regular File */
|
|
#define LNKTYPE '1' /* Link */
|
|
#define SYMTYPE '2' /* Symlink */
|
|
#define CHRTYPE '3' /* Character Special File */
|
|
#define BLKTYPE '4' /* Block Special File */
|
|
#define DIRTYPE '5' /* Directory */
|
|
#define FIFOTYPE '6' /* FIFO */
|
|
#define CONTTYPE '7' /* high perf file */
|
|
|
|
/*
|
|
* Mode field encoding of the different file types - values in octal
|
|
*/
|
|
#define TSUID 04000 /* Set UID on execution */
|
|
#define TSGID 02000 /* Set GID on execution */
|
|
#define TSVTX 01000 /* Reserved */
|
|
#define TUREAD 00400 /* Read by owner */
|
|
#define TUWRITE 00200 /* Write by owner */
|
|
#define TUEXEC 00100 /* Execute/Search by owner */
|
|
#define TGREAD 00040 /* Read by group */
|
|
#define TGWRITE 00020 /* Write by group */
|
|
#define TGEXEC 00010 /* Execute/Search by group */
|
|
#define TOREAD 00004 /* Read by other */
|
|
#define TOWRITE 00002 /* Write by other */
|
|
#define TOEXEC 00001 /* Execute/Search by other */
|
|
|
|
#ifdef _PAX_
|
|
/*
|
|
* Pad with a bit mask, much faster than doing a mod but only works on powers
|
|
* of 2. Macro below is for block of 512 bytes.
|
|
*/
|
|
#define TAR_PAD(x) ((512 - ((x) & 511)) & 511)
|
|
#endif /* _PAX_ */
|
|
|
|
/*
|
|
* structure of an old tar header as it appeared in BSD releases
|
|
*/
|
|
typedef struct {
|
|
char name[TNMSZ]; /* name of entry */
|
|
char mode[8]; /* mode */
|
|
char uid[8]; /* uid */
|
|
char gid[8]; /* gid */
|
|
char size[12]; /* size */
|
|
char mtime[12]; /* modification time */
|
|
char chksum[CHK_LEN]; /* checksum */
|
|
char linkflag; /* norm, hard, or sym. */
|
|
char linkname[TNMSZ]; /* linked to name */
|
|
} HD_TAR;
|
|
|
|
#ifdef _PAX_
|
|
/*
|
|
* -o options for BSD tar to not write directories to the archive
|
|
*/
|
|
#define TAR_NODIR "nodir"
|
|
#define TAR_OPTION "write_opt"
|
|
|
|
/*
|
|
* default device names
|
|
*/
|
|
#define DEV_0 "/dev/rmt0"
|
|
#define DEV_1 "/dev/rmt1"
|
|
#define DEV_4 "/dev/rmt4"
|
|
#define DEV_5 "/dev/rmt5"
|
|
#define DEV_7 "/dev/rmt7"
|
|
#define DEV_8 "/dev/rmt8"
|
|
#endif /* _PAX_ */
|
|
|
|
/*
|
|
* Data Interchange Format - Extended tar header format - POSIX 1003.1-1990
|
|
*/
|
|
#define TPFSZ 155
|
|
#define TMAGIC "ustar" /* ustar and a null */
|
|
#define TMAGLEN 6
|
|
#define TVERSION "00" /* 00 and no null */
|
|
#define TVERSLEN 2
|
|
|
|
typedef struct {
|
|
char name[TNMSZ]; /* name of entry */
|
|
char mode[8]; /* mode */
|
|
char uid[8]; /* uid */
|
|
char gid[8]; /* gid */
|
|
char size[12]; /* size */
|
|
char mtime[12]; /* modification time */
|
|
char chksum[CHK_LEN]; /* checksum */
|
|
char typeflag; /* type of file. */
|
|
char linkname[TNMSZ]; /* linked to name */
|
|
char magic[TMAGLEN]; /* magic cookie */
|
|
char version[TVERSLEN]; /* version */
|
|
char uname[32]; /* ascii owner name */
|
|
char gname[32]; /* ascii group name */
|
|
char devmajor[8]; /* major device number */
|
|
char devminor[8]; /* minor device number */
|
|
char prefix[TPFSZ]; /* linked to name */
|
|
} HD_USTAR;
|