Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * tune2fs.c - Change the file system parameters on |
| 3 | * an unmounted second extended file system |
| 4 | * |
| 5 | * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr> |
| 6 | * Laboratoire MASI, Institut Blaise Pascal |
| 7 | * Universite Pierre et Marie Curie (Paris VI) |
| 8 | * |
Theodore Ts'o | 19c78dc | 1997-04-29 16:17:09 +0000 | [diff] [blame] | 9 | * Copyright 1995, 1996, 1997 by Theodore Ts'o. |
| 10 | * |
| 11 | * %Begin-Header% |
| 12 | * This file may be redistributed under the terms of the GNU Public |
| 13 | * License. |
| 14 | * %End-Header% |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | /* |
| 18 | * History: |
| 19 | * 93/06/01 - Creation |
| 20 | * 93/10/31 - Added the -c option to change the maximal mount counts |
| 21 | * 93/12/14 - Added -l flag to list contents of superblock |
| 22 | * M.J.E. Mol (marcel@duteca.et.tudelft.nl) |
| 23 | * F.W. ten Wolde (franky@duteca.et.tudelft.nl) |
| 24 | * 93/12/29 - Added the -e option to change errors behavior |
| 25 | * 94/02/27 - Ported to use the ext2fs library |
| 26 | * 94/03/06 - Added the checks interval from Uwe Ohse (uwe@tirka.gun.de) |
| 27 | */ |
| 28 | |
| 29 | #include <fcntl.h> |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 30 | #include <grp.h> |
Theodore Ts'o | a418d3a | 1997-04-26 14:00:26 +0000 | [diff] [blame] | 31 | #ifdef HAVE_GETOPT_H |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 32 | #include <getopt.h> |
Theodore Ts'o | 373b833 | 2000-04-03 16:22:35 +0000 | [diff] [blame] | 33 | #else |
| 34 | extern char *optarg; |
| 35 | extern int optind; |
Theodore Ts'o | a418d3a | 1997-04-26 14:00:26 +0000 | [diff] [blame] | 36 | #endif |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 37 | #include <pwd.h> |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 38 | #include <stdio.h> |
| 39 | #include <stdlib.h> |
| 40 | #include <string.h> |
| 41 | #include <time.h> |
| 42 | #include <unistd.h> |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 43 | #include <sys/types.h> |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 44 | |
| 45 | #include <linux/ext2_fs.h> |
| 46 | |
| 47 | #include "ext2fs/ext2fs.h" |
| 48 | #include "et/com_err.h" |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 49 | #include "uuid/uuid.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 50 | #include "e2p/e2p.h" |
| 51 | |
| 52 | #include "../version.h" |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 53 | #include "nls-enable.h" |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 54 | |
| 55 | const char * program_name = "tune2fs"; |
| 56 | char * device_name = NULL; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 57 | char * new_label = NULL; |
| 58 | char * new_last_mounted = NULL; |
| 59 | char * new_UUID = NULL; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 60 | int c_flag = 0; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 61 | int C_flag = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 62 | int e_flag = 0; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 63 | int g_flag = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 64 | int i_flag = 0; |
| 65 | int l_flag = 0; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 66 | int L_flag = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 67 | int m_flag = 0; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 68 | int M_flag = 0; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 69 | int r_flag = 0; |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 70 | int s_flag = -1; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 71 | int u_flag = 0; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 72 | int U_flag = 0; |
| 73 | int max_mount_count, mount_count; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 74 | unsigned long interval; |
| 75 | unsigned long reserved_ratio = 0; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 76 | unsigned long reserved_blocks = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 77 | unsigned short errors; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 78 | unsigned long resgid = 0; |
| 79 | unsigned long resuid = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 80 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 81 | #ifndef HAVE_STRCASECMP |
| 82 | static int strcasecmp (char *s1, char *s2) |
| 83 | { |
| 84 | while (*s1 && *s2) { |
| 85 | int ch1 = *s1++, ch2 = *s2++; |
| 86 | if (isupper (ch1)) |
| 87 | ch1 = tolower (ch1); |
| 88 | if (isupper (ch2)) |
| 89 | ch2 = tolower (ch2); |
| 90 | if (ch1 != ch2) |
| 91 | return ch1 - ch2; |
| 92 | } |
| 93 | return *s1 ? 1 : *s2 ? -1 : 0; |
| 94 | } |
| 95 | #endif |
| 96 | |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 97 | static void usage(void) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 98 | { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 99 | fprintf(stderr, |
| 100 | _("Usage: %s [-c max-mounts-count] [-e errors-behavior] " |
| 101 | "[-g group]\n" |
| 102 | "\t[-i interval[d|m|w]] [-l] [-s sparse-flag] " |
| 103 | "[-m reserved-blocks-percent]\n" |
| 104 | "\t[-r reserved-blocks-count] [-u user] [-C mount-count]\n" |
| 105 | "\t[-L volume-label] [-M last-mounted-dir] [-U UUID]\n" |
| 106 | "\t[-O [^]feature[,...]] device\n"), program_name); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 107 | exit (1); |
| 108 | } |
| 109 | |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 110 | static __u32 ok_features[3] = { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 111 | EXT3_FEATURE_COMPAT_HAS_JOURNAL, /* Compat */ |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 112 | EXT2_FEATURE_INCOMPAT_FILETYPE, /* Incompat */ |
| 113 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER /* R/O compat */ |
| 114 | }; |
| 115 | |
Theodore Ts'o | a4fa100 | 2000-02-08 21:35:41 +0000 | [diff] [blame] | 116 | static const char *please_fsck = N_("Please run e2fsck on the filesystem.\n"); |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 117 | |
Theodore Ts'o | 00e5433 | 1997-09-16 02:13:52 +0000 | [diff] [blame] | 118 | int main (int argc, char ** argv) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 119 | { |
Theodore Ts'o | 519149f | 1997-10-25 03:49:49 +0000 | [diff] [blame] | 120 | int c; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 121 | char * tmp; |
| 122 | errcode_t retval; |
| 123 | ext2_filsys fs; |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 124 | struct ext2_super_block *sb; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 125 | struct group * gr; |
| 126 | struct passwd * pw; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 127 | int open_flag = 0; |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 128 | char *features_cmd = 0; |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 129 | int mount_flags = 0; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 130 | |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 131 | #ifdef ENABLE_NLS |
| 132 | setlocale(LC_MESSAGES, ""); |
| 133 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); |
| 134 | textdomain(NLS_CAT_NAME); |
| 135 | #endif |
| 136 | fprintf (stderr, _("tune2fs %s, %s for EXT2 FS %s, %s\n"), |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 137 | E2FSPROGS_VERSION, E2FSPROGS_DATE, |
| 138 | EXT2FS_VERSION, EXT2FS_DATE); |
| 139 | if (argc && *argv) |
| 140 | program_name = *argv; |
| 141 | initialize_ext2_error_table(); |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 142 | while ((c = getopt (argc, argv, "c:e:g:i:lm:r:s:u:C:L:M:O:U:")) != EOF) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 143 | switch (c) |
| 144 | { |
| 145 | case 'c': |
Theodore Ts'o | 45d9e2f | 2000-07-07 03:12:54 +0000 | [diff] [blame] | 146 | max_mount_count = strtol (optarg, &tmp, 0); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 147 | if (*tmp || max_mount_count > 16000) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 148 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 149 | _("bad mounts count - %s"), |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 150 | optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 151 | usage(); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 152 | } |
| 153 | c_flag = 1; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 154 | open_flag = EXT2_FLAG_RW; |
| 155 | break; |
| 156 | case 'C': |
| 157 | mount_count = strtoul (optarg, &tmp, 0); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 158 | if (*tmp || mount_count > 16000) { |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 159 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 160 | _("bad mounts count - %s"), |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 161 | optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 162 | usage(); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 163 | } |
| 164 | C_flag = 1; |
| 165 | open_flag = EXT2_FLAG_RW; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 166 | break; |
| 167 | case 'e': |
| 168 | if (strcmp (optarg, "continue") == 0) |
| 169 | errors = EXT2_ERRORS_CONTINUE; |
| 170 | else if (strcmp (optarg, "remount-ro") == 0) |
| 171 | errors = EXT2_ERRORS_RO; |
| 172 | else if (strcmp (optarg, "panic") == 0) |
| 173 | errors = EXT2_ERRORS_PANIC; |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 174 | else { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 175 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 176 | _("bad error behavior - %s"), |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 177 | optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 178 | usage(); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 179 | } |
| 180 | e_flag = 1; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 181 | open_flag = EXT2_FLAG_RW; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 182 | break; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 183 | case 'g': |
| 184 | resgid = strtoul (optarg, &tmp, 0); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 185 | if (*tmp) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 186 | gr = getgrnam (optarg); |
| 187 | if (gr == NULL) |
| 188 | tmp = optarg; |
Theodore Ts'o | a418d3a | 1997-04-26 14:00:26 +0000 | [diff] [blame] | 189 | else { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 190 | resgid = gr->gr_gid; |
Theodore Ts'o | a418d3a | 1997-04-26 14:00:26 +0000 | [diff] [blame] | 191 | *tmp =0; |
| 192 | } |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 193 | } |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 194 | if (*tmp) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 195 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 196 | _("bad gid/group name - %s"), |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 197 | optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 198 | usage(); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 199 | } |
| 200 | g_flag = 1; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 201 | open_flag = EXT2_FLAG_RW; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 202 | break; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 203 | case 'i': |
| 204 | interval = strtoul (optarg, &tmp, 0); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 205 | switch (*tmp) { |
| 206 | case 's': |
| 207 | tmp++; |
| 208 | break; |
| 209 | case '\0': |
| 210 | case 'd': |
| 211 | case 'D': /* days */ |
| 212 | interval *= 86400; |
| 213 | if (*tmp != '\0') |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 214 | tmp++; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 215 | break; |
| 216 | case 'm': |
| 217 | case 'M': /* months! */ |
| 218 | interval *= 86400 * 30; |
| 219 | tmp++; |
| 220 | break; |
| 221 | case 'w': |
| 222 | case 'W': /* weeks */ |
| 223 | interval *= 86400 * 7; |
| 224 | tmp++; |
| 225 | break; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 226 | } |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 227 | if (*tmp || interval > (365 * 86400)) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 228 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 229 | _("bad interval - %s"), optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 230 | usage(); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 231 | } |
| 232 | i_flag = 1; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 233 | open_flag = EXT2_FLAG_RW; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 234 | break; |
| 235 | case 'l': |
| 236 | l_flag = 1; |
| 237 | break; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 238 | case 'L': |
| 239 | new_label = optarg; |
| 240 | L_flag = 1; |
| 241 | open_flag = EXT2_FLAG_RW; |
| 242 | break; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 243 | case 'm': |
| 244 | reserved_ratio = strtoul (optarg, &tmp, 0); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 245 | if (*tmp || reserved_ratio > 50) { |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 246 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 247 | _("bad reserved block ratio - %s"), |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 248 | optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 249 | usage(); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 250 | } |
| 251 | m_flag = 1; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 252 | open_flag = EXT2_FLAG_RW; |
| 253 | break; |
| 254 | case 'M': |
| 255 | new_last_mounted = optarg; |
| 256 | M_flag = 1; |
| 257 | open_flag = EXT2_FLAG_RW; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 258 | break; |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 259 | case 'O': |
| 260 | features_cmd = optarg; |
| 261 | open_flag = EXT2_FLAG_RW; |
| 262 | break; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 263 | case 'r': |
| 264 | reserved_blocks = strtoul (optarg, &tmp, 0); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 265 | if (*tmp) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 266 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 267 | _("bad reserved blocks count - %s"), |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 268 | optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 269 | usage(); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 270 | } |
| 271 | r_flag = 1; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 272 | open_flag = EXT2_FLAG_RW; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 273 | break; |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 274 | case 's': |
| 275 | s_flag = atoi(optarg); |
| 276 | open_flag = EXT2_FLAG_RW; |
| 277 | break; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 278 | case 'u': |
| 279 | resuid = strtoul (optarg, &tmp, 0); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 280 | if (*tmp) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 281 | pw = getpwnam (optarg); |
| 282 | if (pw == NULL) |
| 283 | tmp = optarg; |
Theodore Ts'o | a418d3a | 1997-04-26 14:00:26 +0000 | [diff] [blame] | 284 | else { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 285 | resuid = pw->pw_uid; |
Theodore Ts'o | a418d3a | 1997-04-26 14:00:26 +0000 | [diff] [blame] | 286 | *tmp = 0; |
| 287 | } |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 288 | } |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 289 | if (*tmp) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 290 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 291 | _("bad uid/user name - %s"), |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 292 | optarg); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 293 | usage(); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 294 | } |
| 295 | u_flag = 1; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 296 | open_flag = EXT2_FLAG_RW; |
| 297 | break; |
| 298 | case 'U': |
| 299 | new_UUID = optarg; |
| 300 | U_flag = 1; |
| 301 | open_flag = EXT2_FLAG_RW; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 302 | break; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 303 | default: |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 304 | usage(); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 305 | } |
| 306 | if (optind < argc - 1 || optind == argc) |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 307 | usage(); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 308 | if (!open_flag && !l_flag) |
| 309 | usage(); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 310 | device_name = argv[optind]; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 311 | retval = ext2fs_open (device_name, open_flag, 0, 0, |
| 312 | unix_io_manager, &fs); |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 313 | if (retval) { |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 314 | com_err (program_name, retval, _("while trying to open %s"), |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 315 | device_name); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 316 | printf(_("Couldn't find valid filesystem superblock.\n")); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 317 | exit(1); |
| 318 | } |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 319 | retval = ext2fs_check_if_mounted(device_name, &mount_flags); |
| 320 | if (retval) { |
| 321 | com_err("ext2fs_check_if_mount", retval, |
| 322 | _("while determining whether %s is mounted."), |
| 323 | device_name); |
| 324 | return; |
| 325 | } |
| 326 | sb = fs->super; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 327 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 328 | if (c_flag) { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 329 | sb->s_max_mnt_count = max_mount_count; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 330 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 331 | printf (_("Setting maximal mount count to %d\n"), |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 332 | max_mount_count); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 333 | } |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 334 | if (C_flag) { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 335 | sb->s_mnt_count = mount_count; |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 336 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 337 | printf (_("Setting current mount count to %d\n"), mount_count); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 338 | } |
| 339 | if (e_flag) { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 340 | sb->s_errors = errors; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 341 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 342 | printf (_("Setting error behavior to %d\n"), errors); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 343 | } |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 344 | if (g_flag) { |
| 345 | sb->s_def_resgid = resgid; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 346 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 347 | printf (_("Setting reserved blocks gid to %lu\n"), resgid); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 348 | } |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 349 | if (i_flag) { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 350 | sb->s_checkinterval = interval; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 351 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 352 | printf (_("Setting interval between check %lu seconds\n"), interval); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 353 | } |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 354 | if (m_flag) { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 355 | sb->s_r_blocks_count = (sb->s_blocks_count / 100) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 356 | * reserved_ratio; |
| 357 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 358 | printf (_("Setting reserved blocks percentage to %lu (%u blocks)\n"), |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 359 | reserved_ratio, sb->s_r_blocks_count); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 360 | } |
Theodore Ts'o | 818180c | 1998-06-27 05:11:14 +0000 | [diff] [blame] | 361 | if (r_flag) { |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 362 | if (reserved_blocks >= sb->s_blocks_count) { |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 363 | com_err (program_name, 0, |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 364 | _("reserved blocks count is too big (%ul)"), |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 365 | reserved_blocks); |
| 366 | exit (1); |
| 367 | } |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 368 | sb->s_r_blocks_count = reserved_blocks; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 369 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 370 | printf (_("Setting reserved blocks count to %lu\n"), |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 371 | reserved_blocks); |
| 372 | } |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 373 | if (s_flag == 1) { |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 374 | if (sb->s_feature_ro_compat & |
| 375 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER) |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 376 | fprintf(stderr, _("\nThe filesystem already" |
Theodore Ts'o | e1a0a3e | 2000-02-11 05:00:19 +0000 | [diff] [blame] | 377 | " has sparse superblocks.\n")); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 378 | else { |
| 379 | sb->s_feature_ro_compat |= |
| 380 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 381 | sb->s_state &= ~EXT2_VALID_FS; |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 382 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 383 | printf(_("\nSparse superblock flag set. %s"), |
Theodore Ts'o | a4fa100 | 2000-02-08 21:35:41 +0000 | [diff] [blame] | 384 | _(please_fsck)); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 385 | } |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 386 | } |
| 387 | if (s_flag == 0) { |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 388 | if (!(sb->s_feature_ro_compat & |
| 389 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER)) |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 390 | fprintf(stderr, _("\nThe filesystem already" |
Theodore Ts'o | e1a0a3e | 2000-02-11 05:00:19 +0000 | [diff] [blame] | 391 | " has sparse superblocks disabled.\n")); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 392 | else { |
| 393 | sb->s_feature_ro_compat &= |
| 394 | ~EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 395 | sb->s_state &= ~EXT2_VALID_FS; |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 396 | fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; |
| 397 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 398 | printf(_("\nSparse superblock flag cleared. %s"), |
Theodore Ts'o | a4fa100 | 2000-02-08 21:35:41 +0000 | [diff] [blame] | 399 | _(please_fsck)); |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 400 | } |
Theodore Ts'o | 521e368 | 1997-04-29 17:48:10 +0000 | [diff] [blame] | 401 | } |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 402 | if (u_flag) { |
| 403 | sb->s_def_resuid = resuid; |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 404 | ext2fs_mark_super_dirty(fs); |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 405 | printf (_("Setting reserved blocks uid to %lu\n"), resuid); |
Theodore Ts'o | f3db356 | 1997-04-26 13:34:30 +0000 | [diff] [blame] | 406 | } |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 407 | if (L_flag) { |
Theodore Ts'o | a789d84 | 1998-03-30 01:20:55 +0000 | [diff] [blame] | 408 | if (strlen(new_label) > sizeof(sb->s_volume_name)) |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 409 | fprintf(stderr, _("Warning: label too " |
| 410 | "long, truncating.\n")); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 411 | memset(sb->s_volume_name, 0, sizeof(sb->s_volume_name)); |
| 412 | strncpy(sb->s_volume_name, new_label, |
| 413 | sizeof(sb->s_volume_name)); |
| 414 | ext2fs_mark_super_dirty(fs); |
| 415 | } |
| 416 | if (M_flag) { |
| 417 | memset(sb->s_last_mounted, 0, sizeof(sb->s_last_mounted)); |
| 418 | strncpy(sb->s_last_mounted, new_last_mounted, |
| 419 | sizeof(sb->s_last_mounted)); |
| 420 | ext2fs_mark_super_dirty(fs); |
| 421 | } |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 422 | if (features_cmd) { |
| 423 | int sparse, old_sparse, filetype, old_filetype; |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 424 | int journal, old_journal; |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 425 | |
| 426 | old_sparse = sb->s_feature_ro_compat & |
| 427 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; |
| 428 | old_filetype = sb->s_feature_incompat & |
| 429 | EXT2_FEATURE_INCOMPAT_FILETYPE; |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 430 | old_journal = sb->s_feature_compat & |
| 431 | EXT3_FEATURE_COMPAT_HAS_JOURNAL; |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 432 | if (e2p_edit_feature(features_cmd, |
| 433 | &sb->s_feature_compat, |
| 434 | ok_features)) { |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 435 | fprintf(stderr, _("Invalid filesystem option set: %s\n"), |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 436 | features_cmd); |
| 437 | exit(1); |
| 438 | } |
| 439 | sparse = sb->s_feature_ro_compat & |
| 440 | EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER; |
| 441 | filetype = sb->s_feature_incompat & |
| 442 | EXT2_FEATURE_INCOMPAT_FILETYPE; |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 443 | journal = sb->s_feature_compat & |
| 444 | EXT3_FEATURE_COMPAT_HAS_JOURNAL; |
| 445 | if (old_journal && !journal && |
| 446 | (mount_flags & EXT2_MF_MOUNTED) && |
| 447 | !(mount_flags & EXT2_MF_READONLY)) { |
| 448 | fprintf(stderr, |
| 449 | _("The HAS_JOURNAL flag may only be cleared " |
| 450 | "the filesystem is unmounted\n" |
| 451 | "or mounted read-only.\n")); |
| 452 | exit(1); |
| 453 | } |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 454 | if ((sparse != old_sparse) || |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 455 | (filetype != old_filetype) || |
| 456 | (journal != old_journal)) { |
| 457 | sb->s_state &= ~EXT2_VALID_FS; |
Theodore Ts'o | a4fa100 | 2000-02-08 21:35:41 +0000 | [diff] [blame] | 458 | printf("\n%s\n", _(please_fsck)); |
Theodore Ts'o | 896938d | 1999-10-23 01:04:50 +0000 | [diff] [blame] | 459 | } |
| 460 | ext2fs_mark_super_dirty(fs); |
| 461 | } |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 462 | if (U_flag) { |
| 463 | if (strcasecmp(new_UUID, "null") == 0) { |
| 464 | uuid_clear(sb->s_uuid); |
| 465 | } else if (strcasecmp(new_UUID, "random") == 0) { |
| 466 | uuid_generate(sb->s_uuid); |
| 467 | } else if (uuid_parse(new_UUID, sb->s_uuid)) { |
Theodore Ts'o | d9c56d3 | 2000-02-08 00:47:55 +0000 | [diff] [blame] | 468 | com_err(program_name, 0, _("Invalid UUID format\n")); |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 469 | exit(1); |
| 470 | } |
| 471 | ext2fs_mark_super_dirty(fs); |
| 472 | } |
| 473 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 474 | if (l_flag) |
Theodore Ts'o | b21e38a | 2001-01-01 15:26:58 +0000 | [diff] [blame] | 475 | list_super (sb); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 476 | ext2fs_close (fs); |
| 477 | exit (0); |
| 478 | } |