213 lines
6.6 KiB
C
213 lines
6.6 KiB
C
/* $NetBSD: mount_filecore.c,v 1.20 2011/08/29 14:35:01 joerg Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1992, 1993, 1994 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is contains code contributed to the NetBSD project by
|
|
* Christopher G. Demetriou
|
|
*
|
|
* 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.
|
|
*
|
|
* mount_filecore.c 1.1 1998/6/26
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1998 Andrew McMurry
|
|
*
|
|
* This code is contains code contributed to the NetBSD project by
|
|
* Christopher G. Demetriou
|
|
*
|
|
* 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.
|
|
*
|
|
* mount_filecore.c 1.1 1998/6/26
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
__COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\
|
|
The Regents of the University of California.\
|
|
Copyright (c) 1998 Andrew McMurry. All rights reserved.");
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/mount.h>
|
|
|
|
#include <err.h>
|
|
#include <grp.h>
|
|
#include <pwd.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <util.h>
|
|
|
|
#include <filecorefs/filecore_mount.h>
|
|
|
|
#include <mntopts.h>
|
|
|
|
#include "mountprog.h"
|
|
|
|
static const struct mntopt mopts[] = {
|
|
MOPT_STDOPTS,
|
|
MOPT_UPDATE,
|
|
MOPT_GETARGS,
|
|
MOPT_NULL,
|
|
};
|
|
|
|
int mount_filecore(int argc, char **argv);
|
|
__dead static void usage(void);
|
|
|
|
#ifndef MOUNT_NOMAIN
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
return mount_filecore(argc, argv);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
mount_filecore(int argc, char **argv)
|
|
{
|
|
struct filecore_args args;
|
|
int ch, mntflags, opts, useuid;
|
|
char *dev, *dir, canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN];
|
|
mntoptparse_t mp;
|
|
|
|
mntflags = opts = 0;
|
|
useuid = 1;
|
|
args.uid = 0;
|
|
args.gid = 0;
|
|
|
|
while ((ch = getopt(argc, argv, "anRfu:g:o:")) != -1)
|
|
switch (ch) {
|
|
case 'a':
|
|
args.flags |= FILECOREMNT_ALLACCESS;
|
|
break;
|
|
case 'n':
|
|
args.flags |= FILECOREMNT_OWNACCESS;
|
|
break;
|
|
case 'R':
|
|
args.flags |= FILECOREMNT_OWNREAD;
|
|
break;
|
|
case 'f':
|
|
args.flags |= FILECOREMNT_FILETYPE;
|
|
break;
|
|
case 'u':
|
|
args.uid = a_uid(optarg);
|
|
useuid = 0;
|
|
break;
|
|
case 'g':
|
|
args.gid = a_gid(optarg);
|
|
useuid = 0;
|
|
break;
|
|
case 'o':
|
|
mp = getmntopts(optarg, mopts, &mntflags, 0);
|
|
if (mp == NULL)
|
|
err(1, "getmntopts");
|
|
freemntopts(mp);
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (argc != 2)
|
|
usage();
|
|
|
|
dev = argv[0];
|
|
dir = argv[1];
|
|
|
|
if (realpath(dev, canon_dev) == NULL) /* Check device path */
|
|
err(1, "realpath %s", dev);
|
|
if (strncmp(dev, canon_dev, MAXPATHLEN)) {
|
|
warnx("\"%s\" is a relative path.", dev);
|
|
dev = canon_dev;
|
|
warnx("using \"%s\" instead.", dev);
|
|
}
|
|
|
|
if (realpath(dir, canon_dir) == NULL) /* Check mounton path */
|
|
err(1, "realpath %s", dir);
|
|
if (strncmp(dir, canon_dir, MAXPATHLEN)) {
|
|
warnx("\"%s\" is a relative path.", dir);
|
|
dir = canon_dir;
|
|
warnx("using \"%s\" instead.", dir);
|
|
}
|
|
|
|
#define DEFAULT_ROOTUID -2
|
|
/*
|
|
* FILECORE filesystems are not writable.
|
|
*/
|
|
mntflags |= MNT_RDONLY;
|
|
if (useuid) args.flags |= FILECOREMNT_USEUID;
|
|
args.fspec = dev;
|
|
args.flags = opts;
|
|
|
|
if (mount(MOUNT_FILECORE, dir, mntflags, &args, sizeof args) == -1)
|
|
err(1, "%s on %s", dev, dir);
|
|
if (mntflags & MNT_GETARGS) {
|
|
char buf[1024];
|
|
(void)snprintb(buf, sizeof(buf), FILECOREMNT_BITS, args.flags);
|
|
printf("uid=%d, gid=%d, flags=%s\n", args.uid, args.gid, buf);
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr,
|
|
"usage: mount_filecore [-afnR] [-g gid] [-o options] [-u uid] special node\n");
|
|
exit(1);
|
|
}
|