usr/src/lib/libast/common/include/tar.h

   1 /***********************************************************************
   2 *                                                                      *
   3 *               This software is part of the ast package               *
   4 *          Copyright (c) 1985-2010 AT&T Intellectual Property          *
   5 *                      and is licensed under the                       *
   6 *                  Common Public License, Version 1.0                  *
   7 *                    by AT&T Intellectual Property                     *
   8 *                                                                      *
   9 *                A copy of the License is available at                 *
  10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  12 *                                                                      *
  13 *              Information and Software Systems Research               *
  14 *                            AT&T Research                             *
  15 *                           Florham Park NJ                            *
  16 *                                                                      *
  17 *                 Glenn Fowler <gsf@research.att.com>                  *
  18 *                  David Korn <dgk@research.att.com>                   *
  19 *                   Phong Vo <kpv@research.att.com>                    *
  20 *                                                                      *
  21 ***********************************************************************/
  22 #pragma prototyped
  23 /*
  24  * Standard Archive Format
  25  * USTAR - Uniform Standard Tape ARchive
  26  */
  27
  28 #ifndef _TAR_H
  29 #define _TAR_H
  30
  31 #define TBLOCK          512
  32 #define NAMSIZ          100
  33 #define PFXSIZ          155
  34
  35 #define TMODLEN         8
  36 #define TUIDLEN         8
  37 #define TGIDLEN         8
  38 #define TSIZLEN         12
  39 #define TMTMLEN         12
  40 #define TCKSLEN         8
  41
  42 #define TMAGIC          "ustar"         /* ustar and a null             */
  43 #define TMAGLEN         6
  44 #define TVERSION        "00"            /* 00 and no null               */
  45 #define TVERSLEN        2
  46 #define TUNMLEN         32
  47 #define TGNMLEN         32
  48 #define TDEVLEN         8
  49
  50 /*
  51  * values used in typeflag field
  52  */
  53
  54 #define REGTYPE         '0'             /* regular file                 */
  55 #define AREGTYPE        0               /* alternate REGTYPE            */
  56 #define LNKTYPE         '1'             /* hard link                    */
  57 #define SYMTYPE         '2'             /* soft link                    */
  58 #define CHRTYPE         '3'             /* character special            */
  59 #define BLKTYPE         '4'             /* block special                */
  60 #define DIRTYPE         '5'             /* directory                    */
  61 #define FIFOTYPE        '6'             /* FIFO special                 */
  62 #define CONTTYPE        '7'             /* reserved                     */
  63 #define SOKTYPE         '8'             /* socket                       */
  64 #define EXTTYPE         'x'             /* extended header              */
  65 #define GLBTYPE         'g'             /* global extended header       */
  66 #define LLNKTYPE        'K'             /* long link path               */
  67 #define LREGTYPE        'L'             /* long file path               */
  68 #define VERTYPE         'V'             /* version                      */
  69
  70 /*
  71  * bits used in mode field
  72  */
  73
  74 #define TSUID           04000           /* set uid on exec              */
  75 #define TSGID           02000           /* set gid on exec              */
  76 #define TSVTX           01000           /* sticky bit -- reserved       */
  77
  78 /*
  79  * file permissions
  80  */
  81
  82 #define TUREAD          00400           /* read by owner                */
  83 #define TUWRITE         00200           /* write by owner               */
  84 #define TUEXEC          00100           /* execute by owner             */
  85 #define TGREAD          00040           /* read by group                */
  86 #define TGWRITE         00020           /* execute by group             */
  87 #define TGEXEC          00010           /* write by group               */
  88 #define TOREAD          00004           /* read by other                */
  89 #define TOWRITE         00002           /* write by other               */
  90 #define TOEXEC          00001           /* execute by other             */
  91
  92 struct header
  93 {
  94         char            name[NAMSIZ];
  95         char            mode[TMODLEN];
  96         char            uid[TUIDLEN];
  97         char            gid[TGIDLEN];
  98         char            size[TSIZLEN];
  99         char            mtime[TMTMLEN];
 100         char            chksum[TCKSLEN];
 101         char            typeflag;
 102         char            linkname[NAMSIZ];
 103         char            magic[TMAGLEN];
 104         char            version[TVERSLEN];
 105         char            uname[TUNMLEN];
 106         char            gname[TGNMLEN];
 107         char            devmajor[TDEVLEN];
 108         char            devminor[TDEVLEN];
 109         char            prefix[PFXSIZ];
 110 };
 111
 112 union hblock
 113 {
 114         char            dummy[TBLOCK];
 115         struct header   dbuf;
 116 };
 117
 118 #endif