NetBSD/usr.sbin/mtree/mtree.c
perry 9864f0aae8 Add a -l flag which does "loose" permissions checks, i.e. a mode 444
matches a check for mode 644 (though obviously not the reverse). This
can be used by the nightly security run, making the output1 more useful
by having it contain fewer spurious permissions violations.

Note that I did not make -l work if you have a sgid/suid/sticky bit
set. I don't know how you could cause security trouble with more
stringent settings and a suid file, but I don't want to find out the
hard way.
2001-09-22 03:56:29 +00:00

182 lines
4.5 KiB
C

/* $NetBSD: mtree.c,v 1.17 2001/09/22 03:56:29 perry Exp $ */
/*-
* Copyright (c) 1989, 1990, 1993
* The Regents of the University of California. 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, 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <sys/cdefs.h>
#ifndef lint
__COPYRIGHT("@(#) Copyright (c) 1989, 1990, 1993\n\
The Regents of the University of California. All rights reserved.\n");
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)mtree.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: mtree.c,v 1.17 2001/09/22 03:56:29 perry Exp $");
#endif
#endif /* not lint */
#include <sys/param.h>
#include <sys/stat.h>
#include <errno.h>
#include <fts.h>
#include <stdio.h>
#include <unistd.h>
#include "mtree.h"
#include "extern.h"
extern int crc_total;
int ftsoptions = FTS_PHYSICAL;
int cflag, dflag, eflag, iflag, lflag, mflag,
rflag, sflag, tflag, uflag, Uflag;
int keys;
char fullpath[MAXPATHLEN];
int main(int, char **);
static void usage(void);
int
main(int argc, char **argv)
{
int ch;
char *dir, *p;
int status;
setprogname(argv[0]);
dir = NULL;
keys = KEYDEFAULT;
while ((ch = getopt(argc, argv, "cdef:iK:k:lmp:rs:tUux")) != -1)
switch((char)ch) {
case 'c':
cflag = 1;
break;
case 'd':
dflag = 1;
break;
case 'e':
eflag = 1;
break;
case 'f':
if (!(freopen(optarg, "r", stdin)))
mtree_err("%s: %s", optarg, strerror(errno));
break;
case 'i':
iflag = 1;
break;
case 'K':
while ((p = strsep(&optarg, " \t,")) != NULL)
if (*p != '\0')
keys |= parsekey(p, NULL);
break;
case 'k':
keys = F_TYPE;
while ((p = strsep(&optarg, " \t,")) != NULL)
if (*p != '\0')
keys |= parsekey(p, NULL);
break;
case 'l':
lflag = 1;
break;
case 'm':
mflag = 1;
break;
case 'p':
dir = optarg;
break;
case 'r':
rflag = 1;
break;
case 's':
sflag = 1;
crc_total = ~strtol(optarg, &p, 0);
if (*p)
mtree_err("illegal seed value -- %s", optarg);
break;
case 't':
tflag = 1;
break;
case 'U':
Uflag = uflag = 1;
break;
case 'u':
uflag = 1;
break;
case 'x':
ftsoptions |= FTS_XDEV;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc)
usage();
if (dir && chdir(dir))
mtree_err("%s: %s", dir, strerror(errno));
if ((cflag || sflag) && !getcwd(fullpath, MAXPATHLEN))
mtree_err("%s", strerror(errno));
if (iflag == 1 && mflag == 1)
mtree_err("-i and -m flags are mutually exclusive");
if (lflag == 1 && uflag == 1)
mtree_err("-l and -u flags are mutually exclusive");
if (cflag) {
cwalk();
exit(0);
}
status = verify();
if (Uflag & (status == MISMATCHEXIT))
status = 0;
exit(status);
}
static void
usage(void)
{
(void)fprintf(stderr, "usage: mtree [-cdelrUux] [-i|-m] [-f spec]"
" [-K key] [-k key] [-p path] [-s seed]\n");
exit(1);
}