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/* $OpenBSD: mtree.c,v 1.27 2021/11/15 15:14:24 millert Exp $ */
/* $NetBSD: mtree.c,v 1.7 1996/09/05 23:29:22 thorpej 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. 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/stat.h>
#include <err.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <limits.h>
#include <fts.h>
#include <grp.h>
#include <pwd.h>
#include "mtree.h"
#include "extern.h"
extern u_int32_t crc_total;
int ftsoptions = FTS_PHYSICAL;
int cflag, dflag, eflag, iflag, lflag, nflag, qflag, rflag, sflag, tflag,
uflag, Uflag;
u_int keys;
char fullpath[PATH_MAX];
static void usage(void);
int
main(int argc, char *argv[])
{
int ch;
char *dir, *p;
int status;
dir = NULL;
keys = KEYDEFAULT;
while ((ch = getopt(argc, argv, "cdef:iK:k:lnp:qrs:tUux")) != -1)
switch(ch) {
case 'c':
cflag = 1;
break;
case 'd':
dflag = 1;
break;
case 'e':
eflag = 1;
break;
case 'f':
if (!(freopen(optarg, "r", stdin)))
error("%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 'n':
nflag = 1;
break;
case 'p':
dir = optarg;
break;
case 'q':
qflag = 1;
break;
case 'r':
rflag = 1;
break;
case 's':
sflag = 1;
crc_total = ~strtol(optarg, &p, 0);
if (*p)
error("illegal seed value -- %s", optarg);
break;
case 't':
tflag = 1;
break;
case 'U':
Uflag = 1;
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 uflag is set we can't make any pledges because we must be able
* to chown and place setugid bits. Make sure that we're pledged
* when -c was specified.
*/
if (!uflag || cflag) {
if (rflag && tflag) {
if (pledge("stdio rpath cpath getpw fattr", NULL) == -1)
err(1, "pledge");
} else if (rflag && !tflag) {
if (pledge("stdio rpath cpath getpw", NULL) == -1)
err(1, "pledge");
} else if (!rflag && tflag) {
if (pledge("stdio rpath getpw fattr", NULL) == -1)
err(1, "pledge");
} else {
if (pledge("stdio rpath getpw", NULL) == -1)
err(1, "pledge");
}
}
/* Keep passwd and group files open for faster lookups. */
setpassent(1);
setgroupent(1);
if (dir && chdir(dir))
error("%s: %s", dir, strerror(errno));
if ((cflag || sflag) && !getcwd(fullpath, sizeof fullpath))
error("getcwd: %s", strerror(errno));
if (lflag == 1 && uflag == 1)
error("-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 [-cdeilnqrtUux] [-f spec] [-K keywords] "
"[-k keywords] [-p path]\n"
" [-s seed]\n");
exit(1);
}
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