1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28*7c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate /* 31*7c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD 32*7c478bd9Sstevel@tonic-gate * under license from the Regents of the University of California. 33*7c478bd9Sstevel@tonic-gate */ 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 36*7c478bd9Sstevel@tonic-gate 37*7c478bd9Sstevel@tonic-gate /* 38*7c478bd9Sstevel@tonic-gate * clri filsys inumber ... 39*7c478bd9Sstevel@tonic-gate */ 40*7c478bd9Sstevel@tonic-gate 41*7c478bd9Sstevel@tonic-gate #include <unistd.h> 42*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 43*7c478bd9Sstevel@tonic-gate #include <stdio.h> 44*7c478bd9Sstevel@tonic-gate #include <errno.h> 45*7c478bd9Sstevel@tonic-gate #include <fcntl.h> 46*7c478bd9Sstevel@tonic-gate #include <string.h> 47*7c478bd9Sstevel@tonic-gate 48*7c478bd9Sstevel@tonic-gate #include <sys/param.h> 49*7c478bd9Sstevel@tonic-gate #include <sys/types.h> 50*7c478bd9Sstevel@tonic-gate #include <sys/mntent.h> 51*7c478bd9Sstevel@tonic-gate 52*7c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 53*7c478bd9Sstevel@tonic-gate #include <sys/fs/ufs_inode.h> 54*7c478bd9Sstevel@tonic-gate #include <sys/fs/ufs_fs.h> 55*7c478bd9Sstevel@tonic-gate 56*7c478bd9Sstevel@tonic-gate #include "roll_log.h" 57*7c478bd9Sstevel@tonic-gate 58*7c478bd9Sstevel@tonic-gate #define ISIZE (sizeof (struct dinode)) 59*7c478bd9Sstevel@tonic-gate #define NI (MAXBSIZE/ISIZE) 60*7c478bd9Sstevel@tonic-gate 61*7c478bd9Sstevel@tonic-gate static struct dinode buf[NI]; 62*7c478bd9Sstevel@tonic-gate 63*7c478bd9Sstevel@tonic-gate static union { 64*7c478bd9Sstevel@tonic-gate char dummy[SBSIZE]; 65*7c478bd9Sstevel@tonic-gate struct fs sblk; 66*7c478bd9Sstevel@tonic-gate } sb_un; 67*7c478bd9Sstevel@tonic-gate #define sblock sb_un.sblk 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate static int status; 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate static int read_sb(int fd, const char *dev); 72*7c478bd9Sstevel@tonic-gate static int isnumber(const char *s); 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate int 75*7c478bd9Sstevel@tonic-gate main(int argc, char *argv[]) 76*7c478bd9Sstevel@tonic-gate { 77*7c478bd9Sstevel@tonic-gate int i, f; 78*7c478bd9Sstevel@tonic-gate unsigned int n; 79*7c478bd9Sstevel@tonic-gate int j; 80*7c478bd9Sstevel@tonic-gate offset_t off; 81*7c478bd9Sstevel@tonic-gate int32_t gen; 82*7c478bd9Sstevel@tonic-gate time_t t; 83*7c478bd9Sstevel@tonic-gate int sbrr; 84*7c478bd9Sstevel@tonic-gate 85*7c478bd9Sstevel@tonic-gate if (argc < 3) { 86*7c478bd9Sstevel@tonic-gate (void) printf("ufs usage: clri filsys inumber ...\n"); 87*7c478bd9Sstevel@tonic-gate return (35); 88*7c478bd9Sstevel@tonic-gate } 89*7c478bd9Sstevel@tonic-gate f = open64(argv[1], 2); 90*7c478bd9Sstevel@tonic-gate if (f < 0) { 91*7c478bd9Sstevel@tonic-gate (void) printf("cannot open %s\n", argv[1]); 92*7c478bd9Sstevel@tonic-gate return (35); 93*7c478bd9Sstevel@tonic-gate } 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate if ((sbrr = read_sb(f, argv[1])) != 0) { 96*7c478bd9Sstevel@tonic-gate return (sbrr); 97*7c478bd9Sstevel@tonic-gate } 98*7c478bd9Sstevel@tonic-gate 99*7c478bd9Sstevel@tonic-gate /* If fs is logged, roll the log. */ 100*7c478bd9Sstevel@tonic-gate if (sblock.fs_logbno) { 101*7c478bd9Sstevel@tonic-gate switch (rl_roll_log(argv[1])) { 102*7c478bd9Sstevel@tonic-gate case RL_SUCCESS: 103*7c478bd9Sstevel@tonic-gate /* 104*7c478bd9Sstevel@tonic-gate * Reread the superblock. Rolling the log may have 105*7c478bd9Sstevel@tonic-gate * changed it. 106*7c478bd9Sstevel@tonic-gate */ 107*7c478bd9Sstevel@tonic-gate if ((sbrr = read_sb(f, argv[1])) != 0) { 108*7c478bd9Sstevel@tonic-gate return (sbrr); 109*7c478bd9Sstevel@tonic-gate } 110*7c478bd9Sstevel@tonic-gate break; 111*7c478bd9Sstevel@tonic-gate case RL_SYSERR: 112*7c478bd9Sstevel@tonic-gate (void) printf("Warning: Cannot roll log for %s. %s. " 113*7c478bd9Sstevel@tonic-gate "Inodes will be cleared anyway.\n", 114*7c478bd9Sstevel@tonic-gate argv[1], strerror(errno)); 115*7c478bd9Sstevel@tonic-gate break; 116*7c478bd9Sstevel@tonic-gate default: 117*7c478bd9Sstevel@tonic-gate (void) printf("Cannot roll log for %s. " 118*7c478bd9Sstevel@tonic-gate "Inodes will be cleared anyway.\n", 119*7c478bd9Sstevel@tonic-gate argv[1]); 120*7c478bd9Sstevel@tonic-gate break; 121*7c478bd9Sstevel@tonic-gate } 122*7c478bd9Sstevel@tonic-gate } 123*7c478bd9Sstevel@tonic-gate 124*7c478bd9Sstevel@tonic-gate if ((sblock.fs_magic != FS_MAGIC) && 125*7c478bd9Sstevel@tonic-gate (sblock.fs_magic != MTB_UFS_MAGIC)) { 126*7c478bd9Sstevel@tonic-gate (void) printf("bad super block magic number\n"); 127*7c478bd9Sstevel@tonic-gate return (35); 128*7c478bd9Sstevel@tonic-gate } 129*7c478bd9Sstevel@tonic-gate 130*7c478bd9Sstevel@tonic-gate if (sblock.fs_magic == MTB_UFS_MAGIC && 131*7c478bd9Sstevel@tonic-gate (sblock.fs_version > MTB_UFS_VERSION_1 || 132*7c478bd9Sstevel@tonic-gate sblock.fs_version < MTB_UFS_VERSION_MIN)) { 133*7c478bd9Sstevel@tonic-gate (void) printf( 134*7c478bd9Sstevel@tonic-gate "unrecognized version of UFS on-disk format: %d\n", 135*7c478bd9Sstevel@tonic-gate sblock.fs_version); 136*7c478bd9Sstevel@tonic-gate return (35); 137*7c478bd9Sstevel@tonic-gate } 138*7c478bd9Sstevel@tonic-gate 139*7c478bd9Sstevel@tonic-gate for (i = 2; i < argc; i++) { 140*7c478bd9Sstevel@tonic-gate if (!isnumber(argv[i])) { 141*7c478bd9Sstevel@tonic-gate (void) printf("%s: is not a number\n", argv[i]); 142*7c478bd9Sstevel@tonic-gate status = 1; 143*7c478bd9Sstevel@tonic-gate continue; 144*7c478bd9Sstevel@tonic-gate } 145*7c478bd9Sstevel@tonic-gate n = atoi(argv[i]); 146*7c478bd9Sstevel@tonic-gate if (n == 0) { 147*7c478bd9Sstevel@tonic-gate (void) printf("%s: is zero\n", argv[i]); 148*7c478bd9Sstevel@tonic-gate status = 1; 149*7c478bd9Sstevel@tonic-gate continue; 150*7c478bd9Sstevel@tonic-gate } 151*7c478bd9Sstevel@tonic-gate off = fsbtodb(&sblock, itod(&sblock, n)); 152*7c478bd9Sstevel@tonic-gate off *= DEV_BSIZE; 153*7c478bd9Sstevel@tonic-gate (void) llseek(f, off, 0); 154*7c478bd9Sstevel@tonic-gate if (read(f, (char *)buf, sblock.fs_bsize) != sblock.fs_bsize) { 155*7c478bd9Sstevel@tonic-gate (void) printf("%s: read error\n", argv[i]); 156*7c478bd9Sstevel@tonic-gate status = 1; 157*7c478bd9Sstevel@tonic-gate } 158*7c478bd9Sstevel@tonic-gate } 159*7c478bd9Sstevel@tonic-gate if (status) 160*7c478bd9Sstevel@tonic-gate return (status+31); 161*7c478bd9Sstevel@tonic-gate 162*7c478bd9Sstevel@tonic-gate /* 163*7c478bd9Sstevel@tonic-gate * Update the time in superblock, so fsck will check this filesystem. 164*7c478bd9Sstevel@tonic-gate */ 165*7c478bd9Sstevel@tonic-gate (void) llseek(f, (offset_t)(SBLOCK * DEV_BSIZE), 0); 166*7c478bd9Sstevel@tonic-gate (void) time(&t); 167*7c478bd9Sstevel@tonic-gate sblock.fs_time = (time32_t)t; 168*7c478bd9Sstevel@tonic-gate if (write(f, &sblock, SBSIZE) != SBSIZE) { 169*7c478bd9Sstevel@tonic-gate (void) printf("cannot update %s\n", argv[1]); 170*7c478bd9Sstevel@tonic-gate return (35); 171*7c478bd9Sstevel@tonic-gate } 172*7c478bd9Sstevel@tonic-gate 173*7c478bd9Sstevel@tonic-gate for (i = 2; i < argc; i++) { 174*7c478bd9Sstevel@tonic-gate n = atoi(argv[i]); 175*7c478bd9Sstevel@tonic-gate (void) printf("clearing %u\n", n); 176*7c478bd9Sstevel@tonic-gate off = fsbtodb(&sblock, itod(&sblock, n)); 177*7c478bd9Sstevel@tonic-gate off *= DEV_BSIZE; 178*7c478bd9Sstevel@tonic-gate (void) llseek(f, off, 0); 179*7c478bd9Sstevel@tonic-gate (void) read(f, (char *)buf, sblock.fs_bsize); 180*7c478bd9Sstevel@tonic-gate j = itoo(&sblock, n); 181*7c478bd9Sstevel@tonic-gate gen = buf[j].di_gen; 182*7c478bd9Sstevel@tonic-gate memset(&buf[j], 0, ISIZE); 183*7c478bd9Sstevel@tonic-gate buf[j].di_gen = gen + 1; 184*7c478bd9Sstevel@tonic-gate (void) llseek(f, off, 0); 185*7c478bd9Sstevel@tonic-gate (void) write(f, (char *)buf, sblock.fs_bsize); 186*7c478bd9Sstevel@tonic-gate } 187*7c478bd9Sstevel@tonic-gate if (status) 188*7c478bd9Sstevel@tonic-gate return (status+31); 189*7c478bd9Sstevel@tonic-gate (void) close(f); 190*7c478bd9Sstevel@tonic-gate return (0); 191*7c478bd9Sstevel@tonic-gate } 192*7c478bd9Sstevel@tonic-gate 193*7c478bd9Sstevel@tonic-gate static int 194*7c478bd9Sstevel@tonic-gate isnumber(const char *s) 195*7c478bd9Sstevel@tonic-gate { 196*7c478bd9Sstevel@tonic-gate int c; 197*7c478bd9Sstevel@tonic-gate 198*7c478bd9Sstevel@tonic-gate while ((c = *s++) != '\0') 199*7c478bd9Sstevel@tonic-gate if (c < '0' || c > '9') 200*7c478bd9Sstevel@tonic-gate return (0); 201*7c478bd9Sstevel@tonic-gate return (1); 202*7c478bd9Sstevel@tonic-gate } 203*7c478bd9Sstevel@tonic-gate 204*7c478bd9Sstevel@tonic-gate static int 205*7c478bd9Sstevel@tonic-gate read_sb(int fd, const char *dev) 206*7c478bd9Sstevel@tonic-gate { 207*7c478bd9Sstevel@tonic-gate (void) llseek(fd, (offset_t)(SBLOCK * DEV_BSIZE), 0); 208*7c478bd9Sstevel@tonic-gate if (read(fd, &sblock, SBSIZE) != SBSIZE) { 209*7c478bd9Sstevel@tonic-gate (void) printf("cannot read %s\n", dev); 210*7c478bd9Sstevel@tonic-gate return (35); 211*7c478bd9Sstevel@tonic-gate } else { 212*7c478bd9Sstevel@tonic-gate return (0); 213*7c478bd9Sstevel@tonic-gate } 214*7c478bd9Sstevel@tonic-gate } 215