121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rich $alz of BBN Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1990, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)clri.c 8.2 (Berkeley) 9/23/93";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/disklabel.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ffs/fs.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <libufs.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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static void
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usage(void)
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{
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(void)fprintf(stderr, "usage: clri special_device inode_number ...\n");
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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union dinodep dp;
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struct uufsd disk;
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long generation;
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int inonum, exitval;
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char *fsname;
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if (argc < 3)
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usage();
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/* get the superblock. */
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fsname = *++argv;
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if (ufs_disk_fillout(&disk, fsname) == -1) {
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printf("loading superblock: %s\n", disk.d_error);
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exit (1);
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}
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/* remaining arguments are inode numbers. */
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exitval = 0;
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while (*++argv) {
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/* get the inode number. */
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if ((inonum = atoi(*argv)) < UFS_ROOTINO) {
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printf("%s is not a valid inode number", *argv);
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exitval = 1;
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continue;
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}
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(void)printf("clearing %d\n", inonum);
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if (getinode(&disk, &dp, inonum) == -1) {
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printf("getinode: %s\n", disk.d_error);
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exitval = 1;
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continue;
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}
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/* clear the inode, and bump the generation count. */
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if (disk.d_fs.fs_magic == FS_UFS1_MAGIC) {
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generation = dp.dp1->di_gen + 1;
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memset(dp.dp1, 0, sizeof(*dp.dp1));
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dp.dp1->di_gen = generation;
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} else {
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generation = dp.dp2->di_gen + 1;
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memset(dp.dp2, 0, sizeof(*dp.dp2));
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dp.dp2->di_gen = generation;
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}
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putinode(&disk);
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(void)fsync(disk.d_fd);
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}
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(void)ufs_disk_close(&disk);
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exit(exitval);
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}
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