| 1 | /* $OpenBSD: cpio.h,v 1.4 2003/06/02 23:32:08 millert Exp $ */
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| 2 | /* $NetBSD: cpio.h,v 1.3 1995/03/21 09:07:15 cgd Exp $ */
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| 3 |
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| 4 | /*-
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| 5 | * Copyright (c) 1992 Keith Muller.
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| 6 | * Copyright (c) 1992, 1993
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| 7 | * The Regents of the University of California. All rights reserved.
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| 8 | *
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| 9 | * This code is derived from software contributed to Berkeley by
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| 10 | * Keith Muller of the University of California, San Diego.
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| 11 | *
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| 12 | * Redistribution and use in source and binary forms, with or without
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| 13 | * modification, are permitted provided that the following conditions
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| 14 | * are met:
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| 15 | * 1. Redistributions of source code must retain the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer.
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| 17 | * 2. Redistributions in binary form must reproduce the above copyright
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| 18 | * notice, this list of conditions and the following disclaimer in the
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| 19 | * documentation and/or other materials provided with the distribution.
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| 20 | * 3. Neither the name of the University nor the names of its contributors
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| 21 | * may be used to endorse or promote products derived from this software
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| 22 | * without specific prior written permission.
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| 23 | *
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| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 34 | * SUCH DAMAGE.
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| 35 | *
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| 36 | * @(#)cpio.h 8.1 (Berkeley) 5/31/93
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| 37 | */
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| 38 |
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| 39 | /*
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| 40 | * Defines common to all versions of cpio
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| 41 | */
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| 42 | #define TRAILER "TRAILER!!!" /* name in last archive record */
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| 43 |
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| 44 | /*
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| 45 | * Header encoding of the different file types
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| 46 | */
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| 47 | #define C_ISDIR 040000 /* Directory */
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| 48 | #define C_ISFIFO 010000 /* FIFO */
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| 49 | #define C_ISREG 0100000 /* Regular file */
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| 50 | #define C_ISBLK 060000 /* Block special file */
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| 51 | #define C_ISCHR 020000 /* Character special file */
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| 52 | #define C_ISCTG 0110000 /* Reserved for contiguous files */
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| 53 | #define C_ISLNK 0120000 /* Reserved for symbolic links */
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| 54 | #define C_ISOCK 0140000 /* Reserved for sockets */
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| 55 | #define C_IFMT 0170000 /* type of file */
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| 56 |
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| 57 | /*
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| 58 | * Data Interchange Format - Extended cpio header format - POSIX 1003.1-1990
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| 59 | */
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| 60 | typedef struct {
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| 61 | char c_magic[6]; /* magic cookie */
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| 62 | char c_dev[6]; /* device number (device) */
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| 63 | char c_ino[6]; /* inode number */
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| 64 | char c_mode[6]; /* file type/access */
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| 65 | char c_uid[6]; /* owners uid */
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| 66 | char c_gid[6]; /* owners gid */
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| 67 | char c_nlink[6]; /* # of links at archive creation */
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| 68 | char c_rdev[6]; /* block/char major/minor # (node) */
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| 69 | char c_mtime[11]; /* modification time */
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| 70 | char c_namesize[6]; /* length of pathname */
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| 71 | char c_filesize[11]; /* length of file in bytes */
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| 72 | } HD_CPIO;
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| 73 |
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| 74 | #define MAGIC 070707 /* transportable archive id */
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| 75 |
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| 76 | #ifdef _PAX_
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| 77 | #define AMAGIC "070707" /* ascii equivalent string of MAGIC */
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| 78 | #define CPIO_MASK 0x3ffff /* bits valid in the dev/ino fields */
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| 79 | /* used for dev/inode remaps */
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| 80 | #endif /* _PAX_ */
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| 81 |
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| 82 | /*
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| 83 | * Binary cpio header structure
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| 84 | *
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| 85 | * CAUTION! CAUTION! CAUTION!
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| 86 | * Each field really represents a 16 bit short (NOT ASCII). Described as
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| 87 | * an array of chars in an attempt to improve portability!!
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| 88 | */
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| 89 | typedef struct {
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| 90 | u_char h_magic[2];
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| 91 | u_char h_dev[2];
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| 92 | u_char h_ino[2];
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| 93 | u_char h_mode[2];
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| 94 | u_char h_uid[2];
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| 95 | u_char h_gid[2];
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| 96 | u_char h_nlink[2];
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| 97 | u_char h_rdev[2];
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| 98 | u_char h_mtime_1[2];
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| 99 | u_char h_mtime_2[2];
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| 100 | u_char h_namesize[2];
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| 101 | u_char h_filesize_1[2];
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| 102 | u_char h_filesize_2[2];
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| 103 | } HD_BCPIO;
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| 104 |
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| 105 | #ifdef _PAX_
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| 106 | /*
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| 107 | * extraction and creation macros for binary cpio
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| 108 | */
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| 109 | #define SHRT_EXT(ch) ((((unsigned)(ch)[0])<<8) | (((unsigned)(ch)[1])&0xff))
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| 110 | #define RSHRT_EXT(ch) ((((unsigned)(ch)[1])<<8) | (((unsigned)(ch)[0])&0xff))
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| 111 | #define CHR_WR_0(val) ((char)(((val) >> 24) & 0xff))
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| 112 | #define CHR_WR_1(val) ((char)(((val) >> 16) & 0xff))
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| 113 | #define CHR_WR_2(val) ((char)(((val) >> 8) & 0xff))
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| 114 | #define CHR_WR_3(val) ((char)((val) & 0xff))
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| 115 |
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| 116 | /*
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| 117 | * binary cpio masks and pads
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| 118 | */
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| 119 | #define BCPIO_PAD(x) ((2 - ((x) & 1)) & 1) /* pad to next 2 byte word */
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| 120 | #define BCPIO_MASK 0xffff /* mask for dev/ino fields */
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| 121 | #endif /* _PAX_ */
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| 122 |
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| 123 | /*
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| 124 | * System VR4 cpio header structure (with/without file data crc)
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| 125 | */
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| 126 | typedef struct {
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| 127 | char c_magic[6]; /* magic cookie */
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| 128 | char c_ino[8]; /* inode number */
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| 129 | char c_mode[8]; /* file type/access */
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| 130 | char c_uid[8]; /* owners uid */
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| 131 | char c_gid[8]; /* owners gid */
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| 132 | char c_nlink[8]; /* # of links at archive creation */
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| 133 | char c_mtime[8]; /* modification time */
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| 134 | char c_filesize[8]; /* length of file in bytes */
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| 135 | char c_maj[8]; /* block/char major # (device) */
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| 136 | char c_min[8]; /* block/char minor # (device) */
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| 137 | char c_rmaj[8]; /* special file major # (node) */
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| 138 | char c_rmin[8]; /* special file minor # (node) */
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| 139 | char c_namesize[8]; /* length of pathname */
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| 140 | char c_chksum[8]; /* 0 OR CRC of bytes of FILE data */
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| 141 | } HD_VCPIO;
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| 142 |
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| 143 | #define VMAGIC 070701 /* sVr4 new portable archive id */
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| 144 | #define VCMAGIC 070702 /* sVr4 new portable archive id CRC */
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| 145 | #ifdef _PAX_
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| 146 | #define AVMAGIC "070701" /* ascii string of above */
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| 147 | #define AVCMAGIC "070702" /* ascii string of above */
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| 148 | #define VCPIO_PAD(x) ((4 - ((x) & 3)) & 3) /* pad to next 4 byte word */
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| 149 | #define VCPIO_MASK 0xffffffff /* mask for dev/ino fields */
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| 150 | #endif /* _PAX_ */
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