/* $OpenBSD: tar.h,v 1.9 2014/01/08 06:43:34 deraadt Exp $ */ /* $NetBSD: tar.h,v 1.3 1995/03/21 09:07:51 cgd Exp $ */ /*- * 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. * 3. 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 */ /* * 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 chksum 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 */ /* * Extended header - POSIX.1-2001 */ #define XHDRTYPE 'x' /* Extended header */ #define GHDRTYPE 'g' /* Global header*/ /* * GNU tar compatibility; */ #define LONGLINKTYPE 'K' /* Long Symlink */ #define LONGNAMETYPE 'L' /* Long 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/rst0" #define DEV_1 "/dev/rst1" #define DEV_4 "/dev/rst4" #define DEV_5 "/dev/rst5" #define DEV_7 "/dev/rst7" #define DEV_8 "/dev/rst8" #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;
