magic.h revision 284194
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 0x000000 /* No flags */ 33#define MAGIC_DEBUG 0x000001 /* Turn on debugging */ 34#define MAGIC_SYMLINK 0x000002 /* Follow symlinks */ 35#define MAGIC_COMPRESS 0x000004 /* Check inside compressed files */ 36#define MAGIC_DEVICES 0x000008 /* Look at the contents of devices */ 37#define MAGIC_MIME_TYPE 0x000010 /* Return the MIME type */ 38#define MAGIC_CONTINUE 0x000020 /* Return all matches */ 39#define MAGIC_CHECK 0x000040 /* Print warnings to stderr */ 40#define MAGIC_PRESERVE_ATIME 0x000080 /* Restore access time on exit */ 41#define MAGIC_RAW 0x000100 /* Don't translate unprintable chars */ 42#define MAGIC_ERROR 0x000200 /* Handle ENOENT etc as real errors */ 43#define MAGIC_MIME_ENCODING 0x000400 /* Return the MIME encoding */ 44#define MAGIC_MIME (MAGIC_MIME_TYPE|MAGIC_MIME_ENCODING) 45#define MAGIC_APPLE 0x000800 /* Return the Apple creator and type */ 46 47#define MAGIC_NO_CHECK_COMPRESS 0x001000 /* Don't check for compressed files */ 48#define MAGIC_NO_CHECK_TAR 0x002000 /* Don't check for tar files */ 49#define MAGIC_NO_CHECK_SOFT 0x004000 /* Don't check magic entries */ 50#define MAGIC_NO_CHECK_APPTYPE 0x008000 /* Don't check application type */ 51#define MAGIC_NO_CHECK_ELF 0x010000 /* Don't check for elf details */ 52#define MAGIC_NO_CHECK_TEXT 0x020000 /* Don't check for text files */ 53#define MAGIC_NO_CHECK_CDF 0x040000 /* Don't check for cdf files */ 54#define MAGIC_NO_CHECK_TOKENS 0x100000 /* Don't check tokens */ 55#define MAGIC_NO_CHECK_ENCODING 0x200000 /* Don't check text encodings */ 56 57/* No built-in tests; only consult the magic file */ 58#define MAGIC_NO_CHECK_BUILTIN ( \ 59 MAGIC_NO_CHECK_COMPRESS | \ 60 MAGIC_NO_CHECK_TAR | \ 61/* MAGIC_NO_CHECK_SOFT | */ \ 62 MAGIC_NO_CHECK_APPTYPE | \ 63 MAGIC_NO_CHECK_ELF | \ 64 MAGIC_NO_CHECK_TEXT | \ 65 MAGIC_NO_CHECK_CDF | \ 66 MAGIC_NO_CHECK_TOKENS | \ 67 MAGIC_NO_CHECK_ENCODING | \ 68 0 \ 69) 70 71/* Defined for backwards compatibility (renamed) */ 72#define MAGIC_NO_CHECK_ASCII MAGIC_NO_CHECK_TEXT 73 74/* Defined for backwards compatibility; do nothing */ 75#define MAGIC_NO_CHECK_FORTRAN 0x000000 /* Don't check ascii/fortran */ 76#define MAGIC_NO_CHECK_TROFF 0x000000 /* Don't check ascii/troff */ 77 78#define MAGIC_VERSION 521 /* This implementation */ 79 80 81#ifdef __cplusplus 82extern "C" { 83#endif 84 85typedef struct magic_set *magic_t; 86magic_t magic_open(int); 87void magic_close(magic_t); 88 89const char *magic_getpath(const char *, int); 90const char *magic_file(magic_t, const char *); 91const char *magic_descriptor(magic_t, int); 92const char *magic_buffer(magic_t, const void *, size_t); 93 94const char *magic_error(magic_t); 95int magic_setflags(magic_t, int); 96 97int magic_version(void); 98int magic_load(magic_t, const char *); 99int magic_load_buffers(magic_t, void **, size_t *, size_t); 100 101int magic_compile(magic_t, const char *); 102int magic_check(magic_t, const char *); 103int magic_list(magic_t, const char *); 104int magic_errno(magic_t); 105 106#define MAGIC_PARAM_INDIR_MAX 0 107#define MAGIC_PARAM_NAME_MAX 1 108#define MAGIC_PARAM_ELF_PHNUM_MAX 2 109#define MAGIC_PARAM_ELF_SHNUM_MAX 3 110#define MAGIC_PARAM_ELF_NOTES_MAX 4 111 112int magic_setparam(magic_t, int, const void *); 113int magic_getparam(magic_t, int, void *); 114 115#ifdef __cplusplus 116}; 117#endif 118 119#endif /* _MAGIC_H */ 120