1 files changed, 0 insertions, 396 deletions
diff --git a/contrib/file/magic.c b/contrib/file/magic.c
deleted file mode 100644
index 8fba30b..0000000
--- a/contrib/file/magic.c
+++ /dev/null
@@ -1,396 +0,0 @@
-/*
- * Copyright (c) Christos Zoulas 2003.
- * All Rights Reserved.
- * 
- * 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.
- */
-
-#include "file.h"
-#include "magic.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/param.h>	/* for MAXPATHLEN */
-#include <sys/stat.h>
-#ifdef QUICK
-#include <sys/mman.h>
-#endif
-#include <limits.h>	/* for PIPE_BUF */
-
-#if defined(HAVE_UTIMES)
-# include <sys/time.h>
-#elif defined(HAVE_UTIME)
-# if defined(HAVE_SYS_UTIME_H)
-#  include <sys/utime.h>
-# elif defined(HAVE_UTIME_H)
-#  include <utime.h>
-# endif
-#endif
-
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>	/* for read() */
-#endif
-
-#ifdef HAVE_LOCALE_H
-#include <locale.h>
-#endif
-
-#include <netinet/in.h>		/* for byte swapping */
-
-#include "patchlevel.h"
-
-#ifndef	lint
-FILE_RCSID("@(#)$File: magic.c,v 1.45 2007/12/27 16:35:59 christos Exp $")
-#endif	/* lint */
-
-#ifdef __EMX__
-private char *apptypeName = NULL;
-protected int file_os2_apptype(struct magic_set *ms, const char *fn,
-    const void *buf, size_t nb);
-#endif /* __EMX__ */
-
-private void free_mlist(struct mlist *);
-private void close_and_restore(const struct magic_set *, const char *, int,
-    const struct stat *);
-private int info_from_stat(struct magic_set *, mode_t);
-#ifndef COMPILE_ONLY
-private const char *file_or_fd(struct magic_set *, const char *, int);
-#endif
-
-#ifndef	STDIN_FILENO
-#define	STDIN_FILENO	0
-#endif
-
-public struct magic_set *
-magic_open(int flags)
-{
-	struct magic_set *ms;
-
-	if ((ms = calloc((size_t)1, sizeof(struct magic_set))) == NULL)
-		return NULL;
-
-	if (magic_setflags(ms, flags) == -1) {
-		errno = EINVAL;
-		goto free1;
-	}
-
-	ms->o.ptr = ms->o.buf = malloc(ms->o.left = ms->o.size = 1024);
-	if (ms->o.buf == NULL)
-		goto free1;
-
-	ms->o.pbuf = malloc(ms->o.psize = 1024);
-	if (ms->o.pbuf == NULL)
-		goto free2;
-
-	ms->c.li = malloc((ms->c.len = 10) * sizeof(*ms->c.li));
-	if (ms->c.li == NULL)
-		goto free3;
-	
-	ms->haderr = 0;
-	ms->error = -1;
-	ms->mlist = NULL;
-	ms->file = "unknown";
-	ms->line = 0;
-	return ms;
-free3:
-	free(ms->o.pbuf);
-free2:
-	free(ms->o.buf);
-free1:
-	free(ms);
-	return NULL;
-}
-
-private void
-free_mlist(struct mlist *mlist)
-{
-	struct mlist *ml;
-
-	if (mlist == NULL)
-		return;
-
-	for (ml = mlist->next; ml != mlist;) {
-		struct mlist *next = ml->next;
-		struct magic *mg = ml->magic;
-		file_delmagic(mg, ml->mapped, ml->nmagic);
-		free(ml);
-		ml = next;
-	}
-	free(ml);
-}
-
-private int
-info_from_stat(struct magic_set *ms, mode_t md)
-{
-	/* We cannot open it, but we were able to stat it. */
-	if (md & 0222)
-		if (file_printf(ms, "writable, ") == -1)
-			return -1;
-	if (md & 0111)
-		if (file_printf(ms, "executable, ") == -1)
-			return -1;
-	if (S_ISREG(md))
-		if (file_printf(ms, "regular file, ") == -1)
-			return -1;
-	if (file_printf(ms, "no read permission") == -1)
-		return -1;
-	return 0;
-}
-
-public void
-magic_close(struct magic_set *ms)
-{
-	free_mlist(ms->mlist);
-	free(ms->o.pbuf);
-	free(ms->o.buf);
-	free(ms->c.li);
-	free(ms);
-}
-
-/*
- * load a magic file
- */
-public int
-magic_load(struct magic_set *ms, const char *magicfile)
-{
-	struct mlist *ml = file_apprentice(ms, magicfile, FILE_LOAD);
-	if (ml) {
-		free_mlist(ms->mlist);
-		ms->mlist = ml;
-		return 0;
-	}
-	return -1;
-}
-
-public int
-magic_compile(struct magic_set *ms, const char *magicfile)
-{
-	struct mlist *ml = file_apprentice(ms, magicfile, FILE_COMPILE);
-	free_mlist(ml);
-	return ml ? 0 : -1;
-}
-
-public int
-magic_check(struct magic_set *ms, const char *magicfile)
-{
-	struct mlist *ml = file_apprentice(ms, magicfile, FILE_CHECK);
-	free_mlist(ml);
-	return ml ? 0 : -1;
-}
-
-private void
-close_and_restore(const struct magic_set *ms, const char *name, int fd,
-    const struct stat *sb)
-{
-	if (fd == STDIN_FILENO)
-		return;
-	(void) close(fd);
-
-	if ((ms->flags & MAGIC_PRESERVE_ATIME) != 0) {
-		/*
-		 * Try to restore access, modification times if read it.
-		 * This is really *bad* because it will modify the status
-		 * time of the file... And of course this will affect
-		 * backup programs
-		 */
-#ifdef HAVE_UTIMES
-		struct timeval  utsbuf[2];
-		memset(utsbuf, 0, sizeof(struct timeval) * 2);
-		utsbuf[0].tv_sec = sb->st_atime;
-		utsbuf[1].tv_sec = sb->st_mtime;
-
-		(void) utimes(name, utsbuf); /* don't care if loses */
-#elif defined(HAVE_UTIME_H) || defined(HAVE_SYS_UTIME_H)
-		struct utimbuf  utbuf;
-
-		memset(&utbuf, 0, sizeof(struct utimbuf));
-		utbuf.actime = sb->st_atime;
-		utbuf.modtime = sb->st_mtime;
-		(void) utime(name, &utbuf); /* don't care if loses */
-#endif
-	}
-}
-
-#ifndef COMPILE_ONLY
-
-/*
- * find type of descriptor
- */
-public const char *
-magic_descriptor(struct magic_set *ms, int fd)
-{
-	return file_or_fd(ms, NULL, fd);
-}
-
-/*
- * find type of named file
- */
-public const char *
-magic_file(struct magic_set *ms, const char *inname)
-{
-	return file_or_fd(ms, inname, STDIN_FILENO);
-}
-
-private const char *
-file_or_fd(struct magic_set *ms, const char *inname, int fd)
-{
-	int	rv = -1;
-	unsigned char *buf;
-	struct stat	sb;
-	ssize_t nbytes = 0;	/* number of bytes read from a datafile */
-	int	ispipe = 0;
-
-	/*
-	 * one extra for terminating '\0', and
-	 * some overlapping space for matches near EOF
-	 */
-#define SLOP (1 + sizeof(union VALUETYPE))
-	if ((buf = malloc(HOWMANY + SLOP)) == NULL)
-		return NULL;
-
-	if (file_reset(ms) == -1)
-		goto done;
-
-	switch (file_fsmagic(ms, inname, &sb)) {
-	case -1:		/* error */
-		goto done;
-	case 0:			/* nothing found */
-		break;
-	default:		/* matched it and printed type */
-		rv = 0;
-		goto done;
-	}
-
-	if (inname == NULL) {
-		if (fstat(fd, &sb) == 0 && S_ISFIFO(sb.st_mode))
-			ispipe = 1;
-	} else {
-		int flags = O_RDONLY|O_BINARY;
-
-		if (stat(inname, &sb) == 0 && S_ISFIFO(sb.st_mode)) {
-			flags |= O_NONBLOCK;
-			ispipe = 1;
-		}
-
-		errno = 0;
-		if ((fd = open(inname, flags)) < 0) {
-#ifdef __CYGWIN__
-			char *tmp = alloca(strlen(inname) + 5);
-			(void)strcat(strcpy(tmp, inname), ".exe");
-			if ((fd = open(tmp, flags)) < 0) {
-#endif
-				if (info_from_stat(ms, sb.st_mode) == -1)
-					goto done;
-				rv = 0;
-				goto done;
-#ifdef __CYGWIN__
-			}
-#endif
-		}
-#ifdef O_NONBLOCK
-		if ((flags = fcntl(fd, F_GETFL)) != -1) {
-			flags &= ~O_NONBLOCK;
-			(void)fcntl(fd, F_SETFL, flags);
-		}
-#endif
-	}
-
-	/*
-	 * try looking at the first HOWMANY bytes
-	 */
-	if (ispipe) {
-		ssize_t r = 0;
-
-		while ((r = sread(fd, (void *)&buf[nbytes],
-		    (size_t)(HOWMANY - nbytes), 1)) > 0) {
-			nbytes += r;
-			if (r < PIPE_BUF) break;
-		}
-
-		if (nbytes == 0) {
-			/* We can not read it, but we were able to stat it. */
-			if (info_from_stat(ms, sb.st_mode) == -1)
-				goto done;
-			rv = 0;
-			goto done;
-		}
-
-	} else {
-		if ((nbytes = read(fd, (char *)buf, HOWMANY)) == -1) {
-			file_error(ms, errno, "cannot read `%s'", inname);
-			goto done;
-		}
-	}
-
-	(void)memset(buf + nbytes, 0, SLOP); /* NUL terminate */
-	if (file_buffer(ms, fd, inname, buf, (size_t)nbytes) == -1)
-		goto done;
-	rv = 0;
-done:
-	free(buf);
-	close_and_restore(ms, inname, fd, &sb);
-	return rv == 0 ? file_getbuffer(ms) : NULL;
-}
-
-
-public const char *
-magic_buffer(struct magic_set *ms, const void *buf, size_t nb)
-{
-	if (file_reset(ms) == -1)
-		return NULL;
-	/*
-	 * The main work is done here!
-	 * We have the file name and/or the data buffer to be identified. 
-	 */
-	if (file_buffer(ms, -1, NULL, buf, nb) == -1) {
-		return NULL;
-	}
-	return file_getbuffer(ms);
-}
-#endif
-
-public const char *
-magic_error(struct magic_set *ms)
-{
-	return ms->haderr ? ms->o.buf : NULL;
-}
-
-public int
-magic_errno(struct magic_set *ms)
-{
-	return ms->haderr ? ms->error : 0;
-}
-
-public int
-magic_setflags(struct magic_set *ms, int flags)
-{
-#if !defined(HAVE_UTIME) && !defined(HAVE_UTIMES)
-	if (flags & MAGIC_PRESERVE_ATIME)
-		return -1;
-#endif
-	ms->flags = flags;
-	return 0;
-}