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-rw-r--r--contrib/file/file.h364
1 files changed, 106 insertions, 258 deletions
diff --git a/contrib/file/file.h b/contrib/file/file.h
index 8ef2fbaa49bdf..1cca4e7e95335 100644
--- a/contrib/file/file.h
+++ b/contrib/file/file.h
@@ -1,33 +1,29 @@
/*
- * Copyright (c) Ian F. Darwin 1986-1995.
- * Software written by Ian F. Darwin and others;
- * maintained 1995-present by Christos Zoulas and others.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice immediately at the beginning of the file, without modification,
- * this list of conditions, and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-/*
* file.h - definitions for file(1) program
- * @(#)$Id: file.h,v 1.73 2005/10/20 14:59:01 christos Exp $
+ * @(#)$Id: file.h,v 1.32 2000/05/14 22:58:53 christos Exp $
+ *
+ * Copyright (c) Ian F. Darwin, 1987.
+ * Written by Ian F. Darwin.
+ *
+ * This software is not subject to any license of the American Telephone
+ * and Telegraph Company or of the Regents of the University of California.
+ *
+ * Permission is granted to anyone to use this software for any purpose on
+ * any computer system, and to alter it and redistribute it freely, subject
+ * to the following restrictions:
+ *
+ * 1. The author is not responsible for the consequences of use of this
+ * software, no matter how awful, even if they arise from flaws in it.
+ *
+ * 2. The origin of this software must not be misrepresented, either by
+ * explicit claim or by omission. Since few users ever read sources,
+ * credits must appear in the documentation.
+ *
+ * 3. Altered versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software. Since few users
+ * ever read sources, credits must appear in the documentation.
+ *
+ * 4. This notice may not be removed or altered.
*/
#ifndef __file_h__
@@ -37,181 +33,51 @@
#include <config.h>
#endif
-#include <stdio.h> /* Include that here, to make sure __P gets defined */
-#include <errno.h>
-#include <fcntl.h> /* For open and flags */
-#ifdef HAVE_STDINT_H
-#include <stdint.h>
-#endif
-#ifdef HAVE_INTTYPES_H
-#include <inttypes.h>
-#endif
-/* Do this here and now, because struct stat gets re-defined on solaris */
-#include <sys/stat.h>
-
-#ifndef MAGIC
-#define MAGIC "/etc/magic"
-#endif
-
-#ifdef __EMX__
-#define PATHSEP ';'
-#else
-#define PATHSEP ':'
-#endif
-
-#define private static
-#ifndef protected
-#define protected
-#endif
-#define public
+typedef int int32;
+typedef unsigned int uint32;
#ifndef HOWMANY
-# define HOWMANY (256 * 1024) /* how much of the file to look at */
+# define HOWMANY 16384 /* how much of the file to look at */
#endif
-#define MAXMAGIS 8192 /* max entries in /etc/magic */
-#define MAXDESC 64 /* max leng of text description */
+#define MAXMAGIS 1000 /* max entries in /etc/magic */
+#define MAXDESC 50 /* max leng of text description */
#define MAXstring 32 /* max leng of "string" types */
-#define MAGICNO 0xF11E041C
-#define VERSIONNO 2
-#define FILE_MAGICSIZE (32 * 4)
-
-#define FILE_LOAD 0
-#define FILE_CHECK 1
-#define FILE_COMPILE 2
-
struct magic {
- /* Word 1 */
- uint16_t cont_level; /* level of ">" */
- uint8_t nospflag; /* supress space character */
- uint8_t flag;
+ short flag;
#define INDIR 1 /* if '>(...)' appears, */
#define UNSIGNED 2 /* comparison is unsigned */
-#define OFFADD 4 /* if '>&' appears, */
-#define INDIROFFADD 8 /* if '>&(' appears, */
- /* Word 2 */
- uint8_t reln; /* relation (0=eq, '>'=gt, etc) */
- uint8_t vallen; /* length of string value, if any */
- uint8_t type; /* int, short, long or string. */
- uint8_t in_type; /* type of indirrection */
-#define FILE_BYTE 1
-#define FILE_SHORT 2
-#define FILE_LONG 4
-#define FILE_STRING 5
-#define FILE_DATE 6
-#define FILE_BESHORT 7
-#define FILE_BELONG 8
-#define FILE_BEDATE 9
-#define FILE_LESHORT 10
-#define FILE_LELONG 11
-#define FILE_LEDATE 12
-#define FILE_PSTRING 13
-#define FILE_LDATE 14
-#define FILE_BELDATE 15
-#define FILE_LELDATE 16
-#define FILE_REGEX 17
-#define FILE_BESTRING16 18
-#define FILE_LESTRING16 19
-#define FILE_SEARCH 20
-#define FILE_MEDATE 21
-#define FILE_MELDATE 22
-#define FILE_MELONG 23
-
-#define FILE_FORMAT_NAME \
-/* 0 */ "invalid 0", \
-/* 1 */ "byte", \
-/* 2 */ "short", \
-/* 3 */ "invalid 3", \
-/* 4 */ "long", \
-/* 5 */ "string", \
-/* 6 */ "date", \
-/* 7 */ "beshort", \
-/* 8 */ "belong", \
-/* 9 */ "bedate", \
-/* 10 */ "leshort", \
-/* 11 */ "lelong", \
-/* 12 */ "ledate", \
-/* 13 */ "pstring", \
-/* 14 */ "ldate", \
-/* 15 */ "beldate", \
-/* 16 */ "leldate", \
-/* 17 */ "regex", \
-/* 18 */ "bestring16", \
-/* 19 */ "lestring16", \
-/* 20 */ "search", \
-/* 21 */ "medate", \
-/* 22 */ "meldate", \
-/* 23 */ "melong",
-
-#define FILE_FMT_NUM "cduxXi"
-#define FILE_FMT_STR "s"
-
-#define FILE_FORMAT_STRING \
-/* 0 */ NULL, \
-/* 1 */ FILE_FMT_NUM, \
-/* 2 */ FILE_FMT_NUM, \
-/* 3 */ NULL, \
-/* 4 */ FILE_FMT_NUM, \
-/* 5 */ FILE_FMT_STR, \
-/* 6 */ FILE_FMT_STR, \
-/* 7 */ FILE_FMT_NUM, \
-/* 8 */ FILE_FMT_NUM, \
-/* 9 */ FILE_FMT_STR, \
-/* 10 */ FILE_FMT_NUM, \
-/* 11 */ FILE_FMT_NUM, \
-/* 12 */ FILE_FMT_STR, \
-/* 13 */ FILE_FMT_STR, \
-/* 14 */ FILE_FMT_STR, \
-/* 15 */ FILE_FMT_STR, \
-/* 16 */ FILE_FMT_STR, \
-/* 17 */ FILE_FMT_STR, \
-/* 18 */ FILE_FMT_STR, \
-/* 19 */ FILE_FMT_STR, \
-/* 20 */ FILE_FMT_STR, \
-/* 21 */ FILE_FMT_STR, \
-/* 22 */ FILE_FMT_STR, \
-/* 23 */ FILE_FMT_NUM,
-
- /* Word 3 */
- uint8_t in_op; /* operator for indirection */
- uint8_t mask_op; /* operator for mask */
- uint8_t dummy1;
- uint8_t dummy2;
-#define FILE_OPS "&|^+-*/%"
-#define FILE_OPAND 0
-#define FILE_OPOR 1
-#define FILE_OPXOR 2
-#define FILE_OPADD 3
-#define FILE_OPMINUS 4
-#define FILE_OPMULTIPLY 5
-#define FILE_OPDIVIDE 6
-#define FILE_OPMODULO 7
-#define FILE_OPINVERSE 0x40
-#define FILE_OPINDIRECT 0x80
- /* Word 4 */
- uint32_t offset; /* offset to magic number */
- /* Word 5 */
- int32_t in_offset; /* offset from indirection */
- /* Word 6 */
- uint32_t mask; /* mask before comparison with value */
- /* Word 7 */
- uint32_t dummy3;
- /* Word 8 */
- uint32_t dummp4;
- /* Words 9-16 */
+#define ADD 4 /* if '>&' appears, */
+ short cont_level; /* level of ">" */
+ struct {
+ unsigned char type; /* byte short long */
+ int32 offset; /* offset from indirection */
+ } in;
+ int32 offset; /* offset to magic number */
+ unsigned char reln; /* relation (0=eq, '>'=gt, etc) */
+ unsigned char type; /* int, short, long or string. */
+ char vallen; /* length of string value, if any */
+#define BYTE 1
+#define SHORT 2
+#define LONG 4
+#define STRING 5
+#define DATE 6
+#define BESHORT 7
+#define BELONG 8
+#define BEDATE 9
+#define LESHORT 10
+#define LELONG 11
+#define LEDATE 12
union VALUETYPE {
- uint8_t b;
- uint16_t h;
- uint32_t l;
+ unsigned char b;
+ unsigned short h;
+ uint32 l;
char s[MAXstring];
- struct {
- char *buf;
- size_t buflen;
- } search;
- uint8_t hs[2]; /* 2 bytes of a fixed-endian "short" */
- uint8_t hl[4]; /* 4 bytes of a fixed-endian "long" */
+ unsigned char hs[2]; /* 2 bytes of a fixed-endian "short" */
+ unsigned char hl[4]; /* 2 bytes of a fixed-endian "long" */
} value; /* either number or string */
- /* Words 17..31 */
+ uint32 mask; /* mask before comparison with value */
+ char nospflag; /* supress space character */
char desc[MAXDESC]; /* description */
};
@@ -224,63 +90,54 @@ struct magic {
#define CHAR_COMPACT_OPTIONAL_BLANK 'b'
-/* list of magic entries */
-struct mlist {
- struct magic *magic; /* array of magic entries */
- uint32_t nmagic; /* number of entries in array */
- int mapped; /* allocation type: 0 => apprentice_file
- * 1 => apprentice_map + malloc
- * 2 => apprentice_map + mmap */
- struct mlist *next, *prev;
-};
+#include <stdio.h> /* Include that here, to make sure __P gets defined */
+#include <errno.h>
-struct magic_set {
- struct mlist *mlist;
- struct cont {
- size_t len;
- int32_t *off;
- } c;
- struct out {
- /* Accumulation buffer */
- char *buf;
- char *ptr;
- size_t len;
- size_t size;
- /* Printable buffer */
- char *pbuf;
- size_t psize;
- } o;
- int error;
- int flags;
- int haderr;
- const char *file;
- size_t line;
-};
+#ifndef __P
+# if defined(__STDC__) || defined(__cplusplus)
+# define __P(a) a
+# else
+# define __P(a) ()
+# define const
+# endif
+#endif
+extern int apprentice __P((const char *, int));
+extern int ascmagic __P((unsigned char *, int));
+extern void error __P((const char *, ...));
+extern void ckfputs __P((const char *, FILE *));
struct stat;
-protected const char *file_fmttime(uint32_t, int);
-protected int file_buffer(struct magic_set *, int, const void *, size_t);
-protected int file_fsmagic(struct magic_set *, const char *, struct stat *);
-protected int file_pipe2file(struct magic_set *, int, const void *, size_t);
-protected int file_printf(struct magic_set *, const char *, ...);
-protected int file_reset(struct magic_set *);
-protected int file_tryelf(struct magic_set *, int, const unsigned char *, size_t);
-protected int file_zmagic(struct magic_set *, int, const unsigned char *, size_t);
-protected int file_ascmagic(struct magic_set *, const unsigned char *, size_t);
-protected int file_is_tar(struct magic_set *, const unsigned char *, size_t);
-protected int file_softmagic(struct magic_set *, const unsigned char *, size_t);
-protected struct mlist *file_apprentice(struct magic_set *, const char *, int);
-protected uint32_t file_signextend(struct magic_set *, struct magic *, uint32_t);
-protected void file_delmagic(struct magic *, int type, size_t entries);
-protected void file_badread(struct magic_set *);
-protected void file_badseek(struct magic_set *);
-protected void file_oomem(struct magic_set *);
-protected void file_error(struct magic_set *, int, const char *, ...);
-protected void file_magwarn(struct magic_set *, const char *, ...);
-protected void file_mdump(struct magic *);
-protected void file_showstr(FILE *, const char *, size_t);
-protected size_t file_mbswidth(const char *);
-protected const char *file_getbuffer(struct magic_set *);
+extern int fsmagic __P((const char *, struct stat *));
+extern int is_compress __P((const unsigned char *, int *));
+extern int is_tar __P((unsigned char *, int));
+extern void magwarn __P((const char *, ...));
+extern void mdump __P((struct magic *));
+extern void process __P((const char *, int));
+extern void showstr __P((FILE *, const char *, int));
+extern int softmagic __P((unsigned char *, int));
+extern int tryit __P((unsigned char *, int, int));
+extern int zmagic __P((unsigned char *, int));
+extern void ckfprintf __P((FILE *, const char *, ...));
+extern uint32 signextend __P((struct magic *, unsigned int32));
+extern int internatmagic __P((unsigned char *, int));
+extern void tryelf __P((int, unsigned char *, int));
+
+extern char *progname; /* the program name */
+extern const char *magicfile; /* name of the magic file */
+extern int lineno; /* current line number in magic file */
+
+extern struct magic *magic; /* array of magic entries */
+extern int nmagic; /* number of valid magic[]s */
+
+
+extern int debug; /* enable debugging? */
+extern int zflag; /* process compressed files? */
+extern int lflag; /* follow symbolic links? */
+extern int sflag; /* read/analyze block special files? */
+extern int iflag; /* Output types as mime-types */
+
+extern int optind; /* From getopt(3) */
+extern char *optarg;
#ifndef HAVE_STRERROR
extern int sys_nerr;
@@ -293,22 +150,13 @@ extern char *sys_errlist[];
#define strtoul(a, b, c) strtol(a, b, c)
#endif
-#ifndef HAVE_SNPRINTF
-int snprintf(char *, size_t, const char *, ...);
-#endif
-
-#if defined(HAVE_MMAP) && defined(HAVE_SYS_MMAN_H) && !defined(QUICK)
-#define QUICK
-#endif
-
-#ifndef O_BINARY
-#define O_BINARY 0
-#endif
-
+#ifdef __STDC__
#define FILE_RCSID(id) \
static const char *rcsid(const char *p) { \
return rcsid(p = id); \
}
#else
+#define FILE_RCSID(id) static char *rcsid[] = id;
+#endif
#endif /* __file_h__ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-08 11:52:47 +0000