17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*68d61a2aSprabahar * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate /* 317c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD 327c478bd9Sstevel@tonic-gate * under license from the Regents of the University of California. 337c478bd9Sstevel@tonic-gate */ 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate /* 387c478bd9Sstevel@tonic-gate * clri filsys inumber ... 397c478bd9Sstevel@tonic-gate */ 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate #include <unistd.h> 427c478bd9Sstevel@tonic-gate #include <stdlib.h> 437c478bd9Sstevel@tonic-gate #include <stdio.h> 447c478bd9Sstevel@tonic-gate #include <errno.h> 457c478bd9Sstevel@tonic-gate #include <fcntl.h> 467c478bd9Sstevel@tonic-gate #include <string.h> 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate #include <sys/param.h> 497c478bd9Sstevel@tonic-gate #include <sys/types.h> 507c478bd9Sstevel@tonic-gate #include <sys/mntent.h> 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 537c478bd9Sstevel@tonic-gate #include <sys/fs/ufs_inode.h> 547c478bd9Sstevel@tonic-gate #include <sys/fs/ufs_fs.h> 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate #include "roll_log.h" 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate #define ISIZE (sizeof (struct dinode)) 597c478bd9Sstevel@tonic-gate #define NI (MAXBSIZE/ISIZE) 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate static struct dinode buf[NI]; 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate static union { 647c478bd9Sstevel@tonic-gate char dummy[SBSIZE]; 657c478bd9Sstevel@tonic-gate struct fs sblk; 667c478bd9Sstevel@tonic-gate } sb_un; 677c478bd9Sstevel@tonic-gate #define sblock sb_un.sblk 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate static int status; 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate static int read_sb(int fd, const char *dev); 727c478bd9Sstevel@tonic-gate static int isnumber(const char *s); 737c478bd9Sstevel@tonic-gate 747c478bd9Sstevel@tonic-gate int 757c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 767c478bd9Sstevel@tonic-gate { 777c478bd9Sstevel@tonic-gate int i, f; 787c478bd9Sstevel@tonic-gate unsigned int n; 797c478bd9Sstevel@tonic-gate int j; 807c478bd9Sstevel@tonic-gate offset_t off; 817c478bd9Sstevel@tonic-gate int32_t gen; 827c478bd9Sstevel@tonic-gate time_t t; 837c478bd9Sstevel@tonic-gate int sbrr; 847c478bd9Sstevel@tonic-gate 857c478bd9Sstevel@tonic-gate if (argc < 3) { 867c478bd9Sstevel@tonic-gate (void) printf("ufs usage: clri filsys inumber ...\n"); 877c478bd9Sstevel@tonic-gate return (35); 887c478bd9Sstevel@tonic-gate } 897c478bd9Sstevel@tonic-gate f = open64(argv[1], 2); 907c478bd9Sstevel@tonic-gate if (f < 0) { 917c478bd9Sstevel@tonic-gate (void) printf("cannot open %s\n", argv[1]); 927c478bd9Sstevel@tonic-gate return (35); 937c478bd9Sstevel@tonic-gate } 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate if ((sbrr = read_sb(f, argv[1])) != 0) { 967c478bd9Sstevel@tonic-gate return (sbrr); 977c478bd9Sstevel@tonic-gate } 987c478bd9Sstevel@tonic-gate 99*68d61a2aSprabahar if ((sblock.fs_magic != FS_MAGIC) && 100*68d61a2aSprabahar (sblock.fs_magic != MTB_UFS_MAGIC)) { 101*68d61a2aSprabahar (void) printf("bad super block magic number\n"); 102*68d61a2aSprabahar return (35); 103*68d61a2aSprabahar } 104*68d61a2aSprabahar 105*68d61a2aSprabahar if (sblock.fs_magic == MTB_UFS_MAGIC && 106*68d61a2aSprabahar (sblock.fs_version > MTB_UFS_VERSION_1 || 107*68d61a2aSprabahar sblock.fs_version < MTB_UFS_VERSION_MIN)) { 108*68d61a2aSprabahar (void) printf( 109*68d61a2aSprabahar "unrecognized version of UFS on-disk format: %d\n", 110*68d61a2aSprabahar sblock.fs_version); 111*68d61a2aSprabahar return (35); 112*68d61a2aSprabahar } 113*68d61a2aSprabahar 1147c478bd9Sstevel@tonic-gate /* If fs is logged, roll the log. */ 1157c478bd9Sstevel@tonic-gate if (sblock.fs_logbno) { 1167c478bd9Sstevel@tonic-gate switch (rl_roll_log(argv[1])) { 1177c478bd9Sstevel@tonic-gate case RL_SUCCESS: 1187c478bd9Sstevel@tonic-gate /* 1197c478bd9Sstevel@tonic-gate * Reread the superblock. Rolling the log may have 1207c478bd9Sstevel@tonic-gate * changed it. 1217c478bd9Sstevel@tonic-gate */ 1227c478bd9Sstevel@tonic-gate if ((sbrr = read_sb(f, argv[1])) != 0) { 1237c478bd9Sstevel@tonic-gate return (sbrr); 1247c478bd9Sstevel@tonic-gate } 1257c478bd9Sstevel@tonic-gate break; 1267c478bd9Sstevel@tonic-gate case RL_SYSERR: 1277c478bd9Sstevel@tonic-gate (void) printf("Warning: Cannot roll log for %s. %s. " 1287c478bd9Sstevel@tonic-gate "Inodes will be cleared anyway.\n", 1297c478bd9Sstevel@tonic-gate argv[1], strerror(errno)); 1307c478bd9Sstevel@tonic-gate break; 1317c478bd9Sstevel@tonic-gate default: 1327c478bd9Sstevel@tonic-gate (void) printf("Cannot roll log for %s. " 1337c478bd9Sstevel@tonic-gate "Inodes will be cleared anyway.\n", 1347c478bd9Sstevel@tonic-gate argv[1]); 1357c478bd9Sstevel@tonic-gate break; 1367c478bd9Sstevel@tonic-gate } 1377c478bd9Sstevel@tonic-gate } 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate for (i = 2; i < argc; i++) { 1407c478bd9Sstevel@tonic-gate if (!isnumber(argv[i])) { 1417c478bd9Sstevel@tonic-gate (void) printf("%s: is not a number\n", argv[i]); 1427c478bd9Sstevel@tonic-gate status = 1; 1437c478bd9Sstevel@tonic-gate continue; 1447c478bd9Sstevel@tonic-gate } 1457c478bd9Sstevel@tonic-gate n = atoi(argv[i]); 1467c478bd9Sstevel@tonic-gate if (n == 0) { 1477c478bd9Sstevel@tonic-gate (void) printf("%s: is zero\n", argv[i]); 1487c478bd9Sstevel@tonic-gate status = 1; 1497c478bd9Sstevel@tonic-gate continue; 1507c478bd9Sstevel@tonic-gate } 1517c478bd9Sstevel@tonic-gate off = fsbtodb(&sblock, itod(&sblock, n)); 1527c478bd9Sstevel@tonic-gate off *= DEV_BSIZE; 1537c478bd9Sstevel@tonic-gate (void) llseek(f, off, 0); 1547c478bd9Sstevel@tonic-gate if (read(f, (char *)buf, sblock.fs_bsize) != sblock.fs_bsize) { 1557c478bd9Sstevel@tonic-gate (void) printf("%s: read error\n", argv[i]); 1567c478bd9Sstevel@tonic-gate status = 1; 1577c478bd9Sstevel@tonic-gate } 1587c478bd9Sstevel@tonic-gate } 1597c478bd9Sstevel@tonic-gate if (status) 1607c478bd9Sstevel@tonic-gate return (status+31); 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate /* 1637c478bd9Sstevel@tonic-gate * Update the time in superblock, so fsck will check this filesystem. 1647c478bd9Sstevel@tonic-gate */ 1657c478bd9Sstevel@tonic-gate (void) llseek(f, (offset_t)(SBLOCK * DEV_BSIZE), 0); 1667c478bd9Sstevel@tonic-gate (void) time(&t); 1677c478bd9Sstevel@tonic-gate sblock.fs_time = (time32_t)t; 1687c478bd9Sstevel@tonic-gate if (write(f, &sblock, SBSIZE) != SBSIZE) { 1697c478bd9Sstevel@tonic-gate (void) printf("cannot update %s\n", argv[1]); 1707c478bd9Sstevel@tonic-gate return (35); 1717c478bd9Sstevel@tonic-gate } 1727c478bd9Sstevel@tonic-gate 1737c478bd9Sstevel@tonic-gate for (i = 2; i < argc; i++) { 1747c478bd9Sstevel@tonic-gate n = atoi(argv[i]); 1757c478bd9Sstevel@tonic-gate (void) printf("clearing %u\n", n); 1767c478bd9Sstevel@tonic-gate off = fsbtodb(&sblock, itod(&sblock, n)); 1777c478bd9Sstevel@tonic-gate off *= DEV_BSIZE; 1787c478bd9Sstevel@tonic-gate (void) llseek(f, off, 0); 1797c478bd9Sstevel@tonic-gate (void) read(f, (char *)buf, sblock.fs_bsize); 1807c478bd9Sstevel@tonic-gate j = itoo(&sblock, n); 1817c478bd9Sstevel@tonic-gate gen = buf[j].di_gen; 1827c478bd9Sstevel@tonic-gate memset(&buf[j], 0, ISIZE); 1837c478bd9Sstevel@tonic-gate buf[j].di_gen = gen + 1; 1847c478bd9Sstevel@tonic-gate (void) llseek(f, off, 0); 1857c478bd9Sstevel@tonic-gate (void) write(f, (char *)buf, sblock.fs_bsize); 1867c478bd9Sstevel@tonic-gate } 1877c478bd9Sstevel@tonic-gate if (status) 1887c478bd9Sstevel@tonic-gate return (status+31); 1897c478bd9Sstevel@tonic-gate (void) close(f); 1907c478bd9Sstevel@tonic-gate return (0); 1917c478bd9Sstevel@tonic-gate } 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate static int 1947c478bd9Sstevel@tonic-gate isnumber(const char *s) 1957c478bd9Sstevel@tonic-gate { 1967c478bd9Sstevel@tonic-gate int c; 1977c478bd9Sstevel@tonic-gate 1987c478bd9Sstevel@tonic-gate while ((c = *s++) != '\0') 1997c478bd9Sstevel@tonic-gate if (c < '0' || c > '9') 2007c478bd9Sstevel@tonic-gate return (0); 2017c478bd9Sstevel@tonic-gate return (1); 2027c478bd9Sstevel@tonic-gate } 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate static int 2057c478bd9Sstevel@tonic-gate read_sb(int fd, const char *dev) 2067c478bd9Sstevel@tonic-gate { 2077c478bd9Sstevel@tonic-gate (void) llseek(fd, (offset_t)(SBLOCK * DEV_BSIZE), 0); 2087c478bd9Sstevel@tonic-gate if (read(fd, &sblock, SBSIZE) != SBSIZE) { 2097c478bd9Sstevel@tonic-gate (void) printf("cannot read %s\n", dev); 2107c478bd9Sstevel@tonic-gate return (35); 2117c478bd9Sstevel@tonic-gate } else { 2127c478bd9Sstevel@tonic-gate return (0); 2137c478bd9Sstevel@tonic-gate } 2147c478bd9Sstevel@tonic-gate } 215