| 1 | /*
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| 2 | * Copyright (c) 2013 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libuntar
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef BOOT_TAR_H_
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| 36 | #define BOOT_TAR_H_
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| 37 |
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| 38 | #include <stdbool.h>
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| 39 | #include <stddef.h>
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| 40 | #include <stdint.h>
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| 41 |
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| 42 | #define TAR_BLOCK_SIZE 512
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| 43 |
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| 44 | typedef struct tar_header_raw {
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| 45 | char filename[100];
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| 46 | char permissions[8];
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| 47 | char owner[8];
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| 48 | char group[8];
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| 49 | char size[12];
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| 50 | char modification_time[12];
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| 51 | char checksum[8];
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| 52 | char type;
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| 53 | char name[100];
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| 54 | char ustar_magic[6];
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| 55 | char ustar_version[2];
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| 56 | char ustar_owner_name[32];
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| 57 | char ustar_group_name[32];
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| 58 | char ustar_device_major[8];
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| 59 | char ustar_device_minor[8];
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| 60 | char ustar_prefix[155];
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| 61 | char ignored[12];
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| 62 | } tar_header_raw_t;
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| 63 |
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| 64 | _Static_assert(sizeof(tar_header_raw_t) == TAR_BLOCK_SIZE, "Wrong size for tar header.");
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| 65 |
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| 66 | enum {
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| 67 | TAR_TYPE_NORMAL = '0',
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| 68 | TAR_TYPE_DIRECTORY = '5',
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| 69 | };
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| 70 |
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| 71 | typedef struct {
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| 72 | const uint8_t *ptr;
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| 73 | size_t length;
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| 74 | size_t next;
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| 75 | } tar_t;
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| 76 |
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| 77 | bool tar_info(const uint8_t *, const uint8_t *, const char **, size_t *);
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| 78 |
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| 79 | #endif
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| 80 |
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| 81 | /** @}
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| 82 | */
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