1/* 2 * Copyright (c) Christos Zoulas 2003. 3 * All Rights Reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27#ifndef _MAGIC_H 28#define _MAGIC_H 29 30#include <sys/types.h> 31 32#define MAGIC_NONE 0x0000000 /* No flags */ 33#define MAGIC_DEBUG 0x0000001 /* Turn on debugging */ 34#define MAGIC_SYMLINK 0x0000002 /* Follow symlinks */ 35#define MAGIC_COMPRESS 0x0000004 /* Check inside compressed files */ 36#define MAGIC_DEVICES 0x0000008 /* Look at the contents of devices */ 37#define MAGIC_MIME_TYPE 0x0000010 /* Return the MIME type */ 38#define MAGIC_CONTINUE 0x0000020 /* Return all matches */ 39#define MAGIC_CHECK 0x0000040 /* Print warnings to stderr */ 40#define MAGIC_PRESERVE_ATIME 0x0000080 /* Restore access time on exit */ 41#define MAGIC_RAW 0x0000100 /* Don't convert unprintable chars */ 42#define MAGIC_ERROR 0x0000200 /* Handle ENOENT etc as real errors */ 43#define MAGIC_MIME_ENCODING 0x0000400 /* Return the MIME encoding */ 44#define MAGIC_MIME (MAGIC_MIME_TYPE|MAGIC_MIME_ENCODING) 45#define MAGIC_APPLE 0x0000800 /* Return the Apple creator/type */ 46#define MAGIC_EXTENSION 0x1000000 /* Return a /-separated list of 47 * extensions */ 48#define MAGIC_COMPRESS_TRANSP 0x2000000 /* Check inside compressed files 49 * but not report compression */ 50#define MAGIC_NO_COMPRESS_FORK 0x4000000 /* Don't allow decompression that 51 * needs to fork */ 52#define MAGIC_NODESC (MAGIC_EXTENSION|MAGIC_MIME|MAGIC_APPLE) 53 54#define MAGIC_NO_CHECK_COMPRESS 0x0001000 /* Don't check for compressed files */ 55#define MAGIC_NO_CHECK_TAR 0x0002000 /* Don't check for tar files */ 56#define MAGIC_NO_CHECK_SOFT 0x0004000 /* Don't check magic entries */ 57#define MAGIC_NO_CHECK_APPTYPE 0x0008000 /* Don't check application type */ 58#define MAGIC_NO_CHECK_ELF 0x0010000 /* Don't check for elf details */ 59#define MAGIC_NO_CHECK_TEXT 0x0020000 /* Don't check for text files */ 60#define MAGIC_NO_CHECK_CDF 0x0040000 /* Don't check for cdf files */ 61#define MAGIC_NO_CHECK_CSV 0x0080000 /* Don't check for CSV files */ 62#define MAGIC_NO_CHECK_TOKENS 0x0100000 /* Don't check tokens */ 63#define MAGIC_NO_CHECK_ENCODING 0x0200000 /* Don't check text encodings */ 64#define MAGIC_NO_CHECK_JSON 0x0400000 /* Don't check for JSON files */ 65 66/* No built-in tests; only consult the magic file */ 67#define MAGIC_NO_CHECK_BUILTIN ( \ 68 MAGIC_NO_CHECK_COMPRESS | \ 69 MAGIC_NO_CHECK_TAR | \ 70/* MAGIC_NO_CHECK_SOFT | */ \ 71 MAGIC_NO_CHECK_APPTYPE | \ 72 MAGIC_NO_CHECK_ELF | \ 73 MAGIC_NO_CHECK_TEXT | \ 74 MAGIC_NO_CHECK_CSV | \ 75 MAGIC_NO_CHECK_CDF | \ 76 MAGIC_NO_CHECK_TOKENS | \ 77 MAGIC_NO_CHECK_ENCODING | \ 78 MAGIC_NO_CHECK_JSON | \ 79 0 \ 80) 81 82#define MAGIC_SNPRINTB "\177\020\ 83b\0debug\0\ 84b\1symlink\0\ 85b\2compress\0\ 86b\3devices\0\ 87b\4mime_type\0\ 88b\5continue\0\ 89b\6check\0\ 90b\7preserve_atime\0\ 91b\10raw\0\ 92b\11error\0\ 93b\12mime_encoding\0\ 94b\13apple\0\ 95b\14no_check_compress\0\ 96b\15no_check_tar\0\ 97b\16no_check_soft\0\ 98b\17no_check_sapptype\0\ 99b\20no_check_elf\0\ 100b\21no_check_text\0\ 101b\22no_check_cdf\0\ 102b\23no_check_reserved0\0\ 103b\24no_check_tokens\0\ 104b\25no_check_encoding\0\ 105b\26no_check_json\0\ 106b\27no_check_reserved2\0\ 107b\30extension\0\ 108b\31transp_compression\0\ 109" 110 111/* Defined for backwards compatibility (renamed) */ 112#define MAGIC_NO_CHECK_ASCII MAGIC_NO_CHECK_TEXT 113 114/* Defined for backwards compatibility; do nothing */ 115#define MAGIC_NO_CHECK_FORTRAN 0x000000 /* Don't check ascii/fortran */ 116#define MAGIC_NO_CHECK_TROFF 0x000000 /* Don't check ascii/troff */ 117 118#define MAGIC_VERSION X.YY /* This implementation */ 119 120 121#ifdef __cplusplus 122extern "C" { 123#endif 124 125typedef struct magic_set *magic_t; 126magic_t magic_open(int); 127void magic_close(magic_t); 128 129const char *magic_getpath(const char *, int); 130const char *magic_file(magic_t, const char *); 131const char *magic_descriptor(magic_t, int); 132const char *magic_buffer(magic_t, const void *, size_t); 133 134const char *magic_error(magic_t); 135int magic_getflags(magic_t); 136int magic_setflags(magic_t, int); 137 138int magic_version(void); 139int magic_load(magic_t, const char *); 140int magic_load_buffers(magic_t, void **, size_t *, size_t); 141 142int magic_compile(magic_t, const char *); 143int magic_check(magic_t, const char *); 144int magic_list(magic_t, const char *); 145int magic_errno(magic_t); 146 147#define MAGIC_PARAM_INDIR_MAX 0 148#define MAGIC_PARAM_NAME_MAX 1 149#define MAGIC_PARAM_ELF_PHNUM_MAX 2 150#define MAGIC_PARAM_ELF_SHNUM_MAX 3 151#define MAGIC_PARAM_ELF_NOTES_MAX 4 152#define MAGIC_PARAM_REGEX_MAX 5 153#define MAGIC_PARAM_BYTES_MAX 6 154#define MAGIC_PARAM_ENCODING_MAX 7 155 156int magic_setparam(magic_t, int, const void *); 157int magic_getparam(magic_t, int, void *); 158 159#ifdef __cplusplus 160}; 161#endif 162 163#endif /* _MAGIC_H */ 164