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Commit | Line | Data |
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1b6bf175 TT |
1 | /* |
2 | * unix.c - The unix-specific code for e2fsck | |
3 | * | |
4 | * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o. | |
5 | * | |
6 | * %Begin-Header% | |
7 | * This file may be redistributed under the terms of the GNU Public | |
8 | * License. | |
9 | * %End-Header% | |
10 | */ | |
11 | ||
12 | #include <stdio.h> | |
13 | #ifdef HAVE_STDLIB_H | |
14 | #include <stdlib.h> | |
15 | #endif | |
16 | #include <string.h> | |
17 | #include <fcntl.h> | |
18 | #include <ctype.h> | |
1b6bf175 | 19 | #include <time.h> |
9ecd8bec | 20 | #ifdef HAVE_SIGNAL_H |
5596defa | 21 | #include <signal.h> |
9ecd8bec | 22 | #endif |
1b6bf175 TT |
23 | #ifdef HAVE_GETOPT_H |
24 | #include <getopt.h> | |
373b8337 TT |
25 | #else |
26 | extern char *optarg; | |
27 | extern int optind; | |
1b6bf175 TT |
28 | #endif |
29 | #include <unistd.h> | |
30 | #ifdef HAVE_ERRNO_H | |
31 | #include <errno.h> | |
32 | #endif | |
33 | #ifdef HAVE_MNTENT_H | |
34 | #include <mntent.h> | |
35 | #endif | |
fff45483 | 36 | #ifdef HAVE_SYS_IOCTL_H |
1b6bf175 | 37 | #include <sys/ioctl.h> |
fff45483 | 38 | #endif |
e71d8731 | 39 | #ifdef HAVE_MALLOC_H |
1b6bf175 | 40 | #include <malloc.h> |
e71d8731 | 41 | #endif |
c07f9f26 TT |
42 | #ifdef HAVE_SYS_TYPES_H |
43 | #include <sys/types.h> | |
44 | #endif | |
45 | #ifdef HAVE_DIRENT_H | |
46 | #include <dirent.h> | |
47 | #endif | |
1b6bf175 TT |
48 | |
49 | #include "et/com_err.h" | |
50 | #include "e2fsck.h" | |
51 | #include "problem.h" | |
52 | #include "../version.h" | |
53 | ||
1b6bf175 | 54 | /* Command line options */ |
54a31a3b TT |
55 | static int swapfs; |
56 | static int normalize_swapfs; | |
57 | static int cflag; /* check disk */ | |
58 | static int show_version_only; | |
59 | static int verbose; | |
1b6bf175 | 60 | |
54a31a3b | 61 | static int replace_bad_blocks; |
4fb9d52b | 62 | static int keep_bad_blocks; |
54a31a3b | 63 | static char *bad_blocks_file; |
1b6bf175 | 64 | |
243dc31f TT |
65 | e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ |
66 | ||
5e72cdbe TT |
67 | #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */ |
68 | int journal_enable_debug = -1; | |
69 | #endif | |
70 | ||
1b6bf175 TT |
71 | static void usage(e2fsck_t ctx) |
72 | { | |
73 | fprintf(stderr, | |
4fd6834c | 74 | _("Usage: %s [-panyrcdfvstDFSV] [-b superblock] [-B blocksize]\n" |
1b6bf175 | 75 | "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n" |
bb145b01 | 76 | "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n" |
0684a4f3 | 77 | "\t\t[-E extended-options] device\n"), |
5596defa | 78 | ctx->program_name); |
b55199ea | 79 | |
0c4a0726 | 80 | fprintf(stderr, _("\nEmergency help:\n" |
b55199ea TT |
81 | " -p Automatic repair (no questions)\n" |
82 | " -n Make no changes to the filesystem\n" | |
83 | " -y Assume \"yes\" to all questions\n" | |
19445ef9 | 84 | " -c Check for bad blocks and add them to the badblock list\n" |
53ef44c4 TT |
85 | " -f Force checking even if filesystem is marked clean\n")); |
86 | fprintf(stderr, _("" | |
b55199ea TT |
87 | " -v Be verbose\n" |
88 | " -b superblock Use alternative superblock\n" | |
89 | " -B blocksize Force blocksize when looking for superblock\n" | |
bb145b01 | 90 | " -j external_journal Set location of the external journal\n" |
b55199ea TT |
91 | " -l bad_blocks_file Add to badblocks list\n" |
92 | " -L bad_blocks_file Set badblocks list\n" | |
0c4a0726 | 93 | )); |
b55199ea | 94 | |
1b6bf175 TT |
95 | exit(FSCK_USAGE); |
96 | } | |
97 | ||
98 | static void show_stats(e2fsck_t ctx) | |
99 | { | |
100 | ext2_filsys fs = ctx->fs; | |
f3358643 | 101 | ext2_ino_t inodes, inodes_used; |
8deb80a5 | 102 | blk_t blocks, blocks_used; |
1b6bf175 TT |
103 | int dir_links; |
104 | int num_files, num_links; | |
105 | int frag_percent; | |
106 | ||
107 | dir_links = 2 * ctx->fs_directory_count - 1; | |
108 | num_files = ctx->fs_total_count - dir_links; | |
109 | num_links = ctx->fs_links_count - dir_links; | |
110 | inodes = fs->super->s_inodes_count; | |
111 | inodes_used = (fs->super->s_inodes_count - | |
112 | fs->super->s_free_inodes_count); | |
113 | blocks = fs->super->s_blocks_count; | |
114 | blocks_used = (fs->super->s_blocks_count - | |
115 | fs->super->s_free_blocks_count); | |
116 | ||
117 | frag_percent = (10000 * ctx->fs_fragmented) / inodes_used; | |
118 | frag_percent = (frag_percent + 5) / 10; | |
119 | ||
120 | if (!verbose) { | |
d0ff90d5 | 121 | printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"), |
1b6bf175 TT |
122 | ctx->device_name, inodes_used, inodes, |
123 | frag_percent / 10, frag_percent % 10, | |
124 | blocks_used, blocks); | |
125 | return; | |
126 | } | |
d0ff90d5 ES |
127 | printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n", |
128 | inodes_used), inodes_used, 100.0 * inodes_used / inodes); | |
129 | printf (P_("%8u non-contiguous inode (%0d.%d%%)\n", | |
130 | "%8u non-contiguous inodes (%0d.%d%%)\n", | |
113e405b | 131 | ctx->fs_fragmented), |
0c4a0726 | 132 | ctx->fs_fragmented, frag_percent / 10, frag_percent % 10); |
d0ff90d5 | 133 | printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"), |
0c4a0726 | 134 | ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); |
d0ff90d5 ES |
135 | printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n", |
136 | blocks_used), blocks_used, 100.0 * blocks_used / blocks); | |
137 | printf (P_("%8u bad block\n", "%8u bad blocks\n", | |
113e405b | 138 | ctx->fs_badblocks_count), ctx->fs_badblocks_count); |
d0ff90d5 | 139 | printf (P_("%8u large file\n", "%8u large files\n", |
113e405b | 140 | ctx->large_files), ctx->large_files); |
d0ff90d5 | 141 | printf (P_("\n%8u regular file\n", "\n%8u regular files\n", |
113e405b | 142 | ctx->fs_regular_count), ctx->fs_regular_count); |
d0ff90d5 | 143 | printf (P_("%8u directory\n", "%8u directories\n", |
113e405b | 144 | ctx->fs_directory_count), ctx->fs_directory_count); |
d0ff90d5 ES |
145 | printf (P_("%8u character device file\n", |
146 | "%8u character device files\n", ctx->fs_chardev_count), | |
113e405b | 147 | ctx->fs_chardev_count); |
d0ff90d5 | 148 | printf (P_("%8u block device file\n", "%8u block device files\n", |
113e405b | 149 | ctx->fs_blockdev_count), ctx->fs_blockdev_count); |
d0ff90d5 | 150 | printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count), |
113e405b | 151 | ctx->fs_fifo_count); |
d0ff90d5 | 152 | printf (P_("%8u link\n", "%8u links\n", |
113e405b TT |
153 | ctx->fs_links_count - dir_links), |
154 | ctx->fs_links_count - dir_links); | |
d0ff90d5 | 155 | printf (P_("%8u symbolic link", "%8u symbolic links", |
113e405b | 156 | ctx->fs_symlinks_count), ctx->fs_symlinks_count); |
d0ff90d5 | 157 | printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n", |
113e405b | 158 | ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count); |
d0ff90d5 | 159 | printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count), |
113e405b TT |
160 | ctx->fs_sockets_count); |
161 | printf ("--------\n"); | |
d0ff90d5 | 162 | printf (P_("%8u file\n", "%8u files\n", |
113e405b | 163 | ctx->fs_total_count - dir_links), |
0c4a0726 | 164 | ctx->fs_total_count - dir_links); |
1b6bf175 TT |
165 | } |
166 | ||
167 | static void check_mount(e2fsck_t ctx) | |
168 | { | |
169 | errcode_t retval; | |
ee895139 | 170 | int cont; |
1b6bf175 | 171 | |
ee895139 TT |
172 | retval = ext2fs_check_if_mounted(ctx->filesystem_name, |
173 | &ctx->mount_flags); | |
1b6bf175 TT |
174 | if (retval) { |
175 | com_err("ext2fs_check_if_mount", retval, | |
0c4a0726 | 176 | _("while determining whether %s is mounted."), |
1b6bf175 TT |
177 | ctx->filesystem_name); |
178 | return; | |
179 | } | |
1b6bf175 | 180 | |
1b6bf175 | 181 | /* |
ae1182cb TT |
182 | * If the filesystem isn't mounted, or it's the root |
183 | * filesystem and it's mounted read-only, and we're not doing | |
184 | * a read/write check, then everything's fine. | |
1b6bf175 | 185 | */ |
ee895139 TT |
186 | if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) || |
187 | ((ctx->mount_flags & EXT2_MF_ISROOT) && | |
ae1182cb TT |
188 | (ctx->mount_flags & EXT2_MF_READONLY) && |
189 | !(ctx->options & E2F_OPT_WRITECHECK))) | |
83e6ac84 TT |
190 | return; |
191 | ||
ae1182cb TT |
192 | if ((ctx->options & E2F_OPT_READONLY) && |
193 | !(ctx->options & E2F_OPT_WRITECHECK)) { | |
0c4a0726 | 194 | printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name); |
1b6bf175 TT |
195 | return; |
196 | } | |
197 | ||
0c4a0726 | 198 | printf(_("%s is mounted. "), ctx->filesystem_name); |
54a31a3b | 199 | if (!ctx->interactive) |
243dc31f | 200 | fatal_error(ctx, _("Cannot continue, aborting.\n\n")); |
0c4a0726 | 201 | printf(_("\n\n\007\007\007\007WARNING!!! " |
74033350 | 202 | "Running e2fsck on a mounted filesystem may cause\n" |
0c4a0726 TT |
203 | "SEVERE filesystem damage.\007\007\007\n\n")); |
204 | cont = ask_yn(_("Do you really want to continue"), -1); | |
1b6bf175 | 205 | if (!cont) { |
0c4a0726 | 206 | printf (_("check aborted.\n")); |
1b6bf175 TT |
207 | exit (0); |
208 | } | |
209 | return; | |
210 | } | |
211 | ||
54434927 | 212 | static int is_on_batt(void) |
015b03df TT |
213 | { |
214 | FILE *f; | |
c07f9f26 TT |
215 | DIR *d; |
216 | char tmp[80], tmp2[80], fname[80]; | |
015b03df | 217 | unsigned int acflag; |
c07f9f26 | 218 | struct dirent* de; |
015b03df TT |
219 | |
220 | f = fopen("/proc/apm", "r"); | |
221 | if (f) { | |
222 | if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) | |
223 | acflag = 1; | |
224 | fclose(f); | |
225 | return (acflag != 1); | |
226 | } | |
c07f9f26 | 227 | d = opendir("/proc/acpi/ac_adapter"); |
ecd0d8fe | 228 | if (d) { |
9214dccb | 229 | while ((de=readdir(d)) != NULL) { |
ecd0d8fe TT |
230 | if (!strncmp(".", de->d_name, 1)) |
231 | continue; | |
232 | snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state", | |
233 | de->d_name); | |
234 | f = fopen(fname, "r"); | |
235 | if (!f) | |
236 | continue; | |
237 | if (fscanf(f, "%s %s", tmp2, tmp) != 2) | |
238 | tmp[0] = 0; | |
239 | fclose(f); | |
240 | if (strncmp(tmp, "off-line", 8) == 0) { | |
241 | closedir(d); | |
242 | return 1; | |
243 | } | |
c07f9f26 | 244 | } |
4b13704c | 245 | closedir(d); |
ecd0d8fe | 246 | } |
015b03df TT |
247 | return 0; |
248 | } | |
249 | ||
1b6bf175 TT |
250 | /* |
251 | * This routine checks to see if a filesystem can be skipped; if so, | |
252 | * it will exit with E2FSCK_OK. Under some conditions it will print a | |
253 | * message explaining why a check is being forced. | |
254 | */ | |
255 | static void check_if_skip(e2fsck_t ctx) | |
256 | { | |
257 | ext2_filsys fs = ctx->fs; | |
258 | const char *reason = NULL; | |
b6a0807b | 259 | unsigned int reason_arg = 0; |
6de289cb | 260 | long next_check; |
015b03df | 261 | int batt = is_on_batt(); |
a5f37a9b | 262 | int defer_check_on_battery; |
60702c26 | 263 | time_t lastcheck; |
a5f37a9b TT |
264 | |
265 | profile_get_boolean(ctx->profile, "options", | |
266 | "defer_check_on_battery", 0, 1, | |
267 | &defer_check_on_battery); | |
268 | if (!defer_check_on_battery) | |
269 | batt = 0; | |
270 | ||
d37066a9 TT |
271 | if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || |
272 | cflag || swapfs) | |
1b6bf175 TT |
273 | return; |
274 | ||
60702c26 TT |
275 | lastcheck = fs->super->s_lastcheck; |
276 | if (lastcheck > ctx->now) | |
277 | lastcheck -= ctx->time_fudge; | |
550a4afa TT |
278 | if ((fs->super->s_state & EXT2_ERROR_FS) || |
279 | !ext2fs_test_valid(fs)) | |
b6a0807b | 280 | reason = _(" contains a file system with errors"); |
24fc5032 | 281 | else if ((fs->super->s_state & EXT2_VALID_FS) == 0) |
b6a0807b | 282 | reason = _(" was not cleanly unmounted"); |
bc57f153 | 283 | else if ((fs->super->s_max_mnt_count > 0) && |
17390c04 | 284 | (fs->super->s_mnt_count >= |
b6a0807b TT |
285 | (unsigned) fs->super->s_max_mnt_count)) { |
286 | reason = _(" has been mounted %u times without being checked"); | |
287 | reason_arg = fs->super->s_mnt_count; | |
015b03df TT |
288 | if (batt && (fs->super->s_mnt_count < |
289 | (unsigned) fs->super->s_max_mnt_count*2)) | |
290 | reason = 0; | |
b6a0807b | 291 | } else if (fs->super->s_checkinterval && |
60702c26 | 292 | ((ctx->now - lastcheck) >= fs->super->s_checkinterval)) { |
b6a0807b | 293 | reason = _(" has gone %u days without being checked"); |
1f3ad14a TT |
294 | reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); |
295 | if (batt && ((ctx->now - fs->super->s_lastcheck) < | |
54434927 | 296 | fs->super->s_checkinterval*2)) |
015b03df | 297 | reason = 0; |
b6a0807b | 298 | } |
1b6bf175 | 299 | if (reason) { |
b6a0807b TT |
300 | fputs(ctx->device_name, stdout); |
301 | printf(reason, reason_arg); | |
302 | fputs(_(", check forced.\n"), stdout); | |
1b6bf175 TT |
303 | return; |
304 | } | |
d0ff90d5 | 305 | printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name, |
1b6bf175 TT |
306 | fs->super->s_inodes_count - fs->super->s_free_inodes_count, |
307 | fs->super->s_inodes_count, | |
308 | fs->super->s_blocks_count - fs->super->s_free_blocks_count, | |
309 | fs->super->s_blocks_count); | |
6de289cb TT |
310 | next_check = 100000; |
311 | if (fs->super->s_max_mnt_count > 0) { | |
312 | next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; | |
313 | if (next_check <= 0) | |
314 | next_check = 1; | |
315 | } | |
66fbee8c | 316 | if (fs->super->s_checkinterval && |
1f3ad14a | 317 | ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) |
6de289cb TT |
318 | next_check = 1; |
319 | if (next_check <= 5) { | |
bc3392c3 TT |
320 | if (next_check == 1) { |
321 | if (batt) | |
322 | fputs(_(" (check deferred; on battery)"), | |
323 | stdout); | |
324 | else | |
325 | fputs(_(" (check after next mount)"), stdout); | |
326 | } else | |
54434927 | 327 | printf(_(" (check in %ld mounts)"), next_check); |
6de289cb TT |
328 | } |
329 | fputc('\n', stdout); | |
1b6bf175 | 330 | ext2fs_close(fs); |
6d222f32 TT |
331 | ctx->fs = NULL; |
332 | e2fsck_free_context(ctx); | |
1b6bf175 TT |
333 | exit(FSCK_OK); |
334 | } | |
335 | ||
efac9a1b TT |
336 | /* |
337 | * For completion notice | |
338 | */ | |
5596defa TT |
339 | struct percent_tbl { |
340 | int max_pass; | |
341 | int table[32]; | |
342 | }; | |
343 | struct percent_tbl e2fsck_tbl = { | |
344 | 5, { 0, 70, 90, 92, 95, 100 } | |
345 | }; | |
54a31a3b | 346 | static char bar[128], spaces[128]; |
5596defa TT |
347 | |
348 | static float calc_percent(struct percent_tbl *tbl, int pass, int curr, | |
349 | int max) | |
350 | { | |
351 | float percent; | |
352 | ||
353 | if (pass <= 0) | |
354 | return 0.0; | |
b8d164cd | 355 | if (pass > tbl->max_pass || max == 0) |
5596defa TT |
356 | return 100.0; |
357 | percent = ((float) curr) / ((float) max); | |
358 | return ((percent * (tbl->table[pass] - tbl->table[pass-1])) | |
359 | + tbl->table[pass-1]); | |
360 | } | |
361 | ||
362 | extern void e2fsck_clear_progbar(e2fsck_t ctx) | |
363 | { | |
364 | if (!(ctx->flags & E2F_FLAG_PROG_BAR)) | |
365 | return; | |
366 | ||
54a31a3b TT |
367 | printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), |
368 | ctx->stop_meta); | |
bc34d6be | 369 | fflush(stdout); |
5596defa TT |
370 | ctx->flags &= ~E2F_FLAG_PROG_BAR; |
371 | } | |
372 | ||
520ead37 | 373 | int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, |
b0700a1b TT |
374 | unsigned int dpynum) |
375 | { | |
376 | static const char spinner[] = "\\|/-"; | |
b0700a1b | 377 | int i; |
54434927 | 378 | unsigned int tick; |
b0700a1b TT |
379 | struct timeval tv; |
380 | int dpywidth; | |
9214dccb | 381 | int fixed_percent; |
b0700a1b TT |
382 | |
383 | if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) | |
384 | return 0; | |
385 | ||
386 | /* | |
387 | * Calculate the new progress position. If the | |
388 | * percentage hasn't changed, then we skip out right | |
389 | * away. | |
390 | */ | |
9214dccb TT |
391 | fixed_percent = (int) ((10 * percent) + 0.5); |
392 | if (ctx->progress_last_percent == fixed_percent) | |
b0700a1b | 393 | return 0; |
9214dccb | 394 | ctx->progress_last_percent = fixed_percent; |
b0700a1b TT |
395 | |
396 | /* | |
397 | * If we've already updated the spinner once within | |
398 | * the last 1/8th of a second, no point doing it | |
399 | * again. | |
400 | */ | |
401 | gettimeofday(&tv, NULL); | |
402 | tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); | |
403 | if ((tick == ctx->progress_last_time) && | |
9214dccb | 404 | (fixed_percent != 0) && (fixed_percent != 1000)) |
b0700a1b TT |
405 | return 0; |
406 | ctx->progress_last_time = tick; | |
407 | ||
408 | /* | |
409 | * Advance the spinner, and note that the progress bar | |
410 | * will be on the screen | |
411 | */ | |
412 | ctx->progress_pos = (ctx->progress_pos+1) & 3; | |
413 | ctx->flags |= E2F_FLAG_PROG_BAR; | |
414 | ||
415 | dpywidth = 66 - strlen(label); | |
416 | dpywidth = 8 * (dpywidth / 8); | |
417 | if (dpynum) | |
418 | dpywidth -= 8; | |
419 | ||
420 | i = ((percent * dpywidth) + 50) / 100; | |
54a31a3b TT |
421 | printf("%s%s: |%s%s", ctx->start_meta, label, |
422 | bar + (sizeof(bar) - (i+1)), | |
b0700a1b | 423 | spaces + (sizeof(spaces) - (dpywidth - i + 1))); |
9214dccb | 424 | if (fixed_percent == 1000) |
b0700a1b TT |
425 | fputc('|', stdout); |
426 | else | |
427 | fputc(spinner[ctx->progress_pos & 3], stdout); | |
9214dccb | 428 | printf(" %4.1f%% ", percent); |
b0700a1b | 429 | if (dpynum) |
9214dccb | 430 | printf("%u\r", dpynum); |
b0700a1b | 431 | else |
9214dccb TT |
432 | fputs(" \r", stdout); |
433 | fputs(ctx->stop_meta, stdout); | |
b0700a1b | 434 | |
9214dccb | 435 | if (fixed_percent == 1000) |
b0700a1b TT |
436 | e2fsck_clear_progbar(ctx); |
437 | fflush(stdout); | |
438 | ||
439 | return 0; | |
440 | } | |
441 | ||
efac9a1b TT |
442 | static int e2fsck_update_progress(e2fsck_t ctx, int pass, |
443 | unsigned long cur, unsigned long max) | |
444 | { | |
efac9a1b | 445 | char buf[80]; |
5596defa | 446 | float percent; |
f75c28de TT |
447 | |
448 | if (pass == 0) | |
449 | return 0; | |
efac9a1b TT |
450 | |
451 | if (ctx->progress_fd) { | |
452 | sprintf(buf, "%d %lu %lu\n", pass, cur, max); | |
453 | write(ctx->progress_fd, buf, strlen(buf)); | |
454 | } else { | |
e4c8e885 | 455 | percent = calc_percent(&e2fsck_tbl, pass, cur, max); |
b0700a1b TT |
456 | e2fsck_simple_progress(ctx, ctx->device_name, |
457 | percent, 0); | |
efac9a1b TT |
458 | } |
459 | return 0; | |
460 | } | |
1b6bf175 TT |
461 | |
462 | #define PATH_SET "PATH=/sbin" | |
463 | ||
5ba23cb1 | 464 | static void reserve_stdio_fds(void) |
24fc5032 TT |
465 | { |
466 | int fd; | |
467 | ||
468 | while (1) { | |
469 | fd = open("/dev/null", O_RDWR); | |
470 | if (fd > 2) | |
471 | break; | |
75d83bec | 472 | if (fd < 0) { |
0c4a0726 TT |
473 | fprintf(stderr, _("ERROR: Couldn't open " |
474 | "/dev/null (%s)\n"), | |
75d83bec TT |
475 | strerror(errno)); |
476 | break; | |
477 | } | |
24fc5032 TT |
478 | } |
479 | close(fd); | |
480 | } | |
481 | ||
9ecd8bec | 482 | #ifdef HAVE_SIGNAL_H |
54434927 | 483 | static void signal_progress_on(int sig EXT2FS_ATTR((unused))) |
5596defa | 484 | { |
243dc31f | 485 | e2fsck_t ctx = e2fsck_global_ctx; |
5596defa TT |
486 | |
487 | if (!ctx) | |
488 | return; | |
489 | ||
490 | ctx->progress = e2fsck_update_progress; | |
491 | ctx->progress_fd = 0; | |
492 | } | |
493 | ||
54434927 | 494 | static void signal_progress_off(int sig EXT2FS_ATTR((unused))) |
5596defa | 495 | { |
243dc31f | 496 | e2fsck_t ctx = e2fsck_global_ctx; |
5596defa TT |
497 | |
498 | if (!ctx) | |
499 | return; | |
500 | ||
501 | e2fsck_clear_progbar(ctx); | |
502 | ctx->progress = 0; | |
503 | } | |
4cae0452 | 504 | |
54434927 | 505 | static void signal_cancel(int sig EXT2FS_ATTR((unused))) |
4cae0452 TT |
506 | { |
507 | e2fsck_t ctx = e2fsck_global_ctx; | |
508 | ||
509 | if (!ctx) | |
510 | exit(FSCK_CANCELED); | |
511 | ||
512 | ctx->flags |= E2F_FLAG_CANCEL; | |
513 | } | |
9ecd8bec | 514 | #endif |
5596defa | 515 | |
0684a4f3 TT |
516 | static void parse_extended_opts(e2fsck_t ctx, const char *opts) |
517 | { | |
518 | char *buf, *token, *next, *p, *arg; | |
f364093b | 519 | int ea_ver; |
0684a4f3 TT |
520 | int extended_usage = 0; |
521 | ||
f364093b | 522 | buf = string_copy(ctx, opts, 0); |
0684a4f3 TT |
523 | for (token = buf; token && *token; token = next) { |
524 | p = strchr(token, ','); | |
525 | next = 0; | |
526 | if (p) { | |
527 | *p = 0; | |
528 | next = p+1; | |
cae542ce | 529 | } |
0684a4f3 TT |
530 | arg = strchr(token, '='); |
531 | if (arg) { | |
532 | *arg = 0; | |
533 | arg++; | |
534 | } | |
535 | if (strcmp(token, "ea_ver") == 0) { | |
536 | if (!arg) { | |
537 | extended_usage++; | |
538 | continue; | |
539 | } | |
540 | ea_ver = strtoul(arg, &p, 0); | |
541 | if (*p || | |
542 | ((ea_ver != 1) && (ea_ver != 2))) { | |
543 | fprintf(stderr, | |
544 | _("Invalid EA version.\n")); | |
545 | extended_usage++; | |
546 | continue; | |
547 | } | |
548 | ctx->ext_attr_ver = ea_ver; | |
bb145b01 TT |
549 | } else { |
550 | fprintf(stderr, _("Unknown extended option: %s\n"), | |
551 | token); | |
0684a4f3 | 552 | extended_usage++; |
bb145b01 | 553 | } |
0684a4f3 | 554 | } |
cae542ce BB |
555 | free(buf); |
556 | ||
0684a4f3 | 557 | if (extended_usage) { |
bb145b01 TT |
558 | fputs(("\nExtended options are separated by commas, " |
559 | "and may take an argument which\n" | |
560 | "is set off by an equals ('=') sign. " | |
561 | "Valid extended options are:\n" | |
562 | "\tea_ver=<ea_version (1 or 2)>\n\n"), stderr); | |
0684a4f3 TT |
563 | exit(1); |
564 | } | |
cae542ce | 565 | } |
0684a4f3 | 566 | |
f5f14fcf TT |
567 | static void syntax_err_report(const char *filename, long err, int line_num) |
568 | { | |
569 | fprintf(stderr, | |
570 | _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), | |
571 | filename, line_num, error_message(err)); | |
572 | exit(FSCK_ERROR); | |
573 | } | |
574 | ||
abcfdfda | 575 | static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; |
0684a4f3 | 576 | |
1b6bf175 TT |
577 | static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) |
578 | { | |
579 | int flush = 0; | |
ae8160e6 | 580 | int c, fd; |
1b6bf175 TT |
581 | #ifdef MTRACE |
582 | extern void *mallwatch; | |
583 | #endif | |
1b6bf175 TT |
584 | e2fsck_t ctx; |
585 | errcode_t retval; | |
9ecd8bec | 586 | #ifdef HAVE_SIGNAL_H |
5596defa | 587 | struct sigaction sa; |
9ecd8bec | 588 | #endif |
0684a4f3 | 589 | char *extended_opts = 0; |
5dd2a6e0 | 590 | char *cp; |
5845caa4 TT |
591 | int res; /* result of sscanf */ |
592 | #ifdef CONFIG_JBD_DEBUG | |
593 | char *jbd_debug; | |
594 | #endif | |
1b6bf175 TT |
595 | |
596 | retval = e2fsck_allocate_context(&ctx); | |
597 | if (retval) | |
598 | return retval; | |
599 | ||
600 | *ret_ctx = ctx; | |
601 | ||
908b785c TT |
602 | setvbuf(stdout, NULL, _IONBF, BUFSIZ); |
603 | setvbuf(stderr, NULL, _IONBF, BUFSIZ); | |
54a31a3b TT |
604 | if (isatty(0) && isatty(1)) { |
605 | ctx->interactive = 1; | |
606 | } else { | |
607 | ctx->start_meta[0] = '\001'; | |
608 | ctx->stop_meta[0] = '\002'; | |
609 | } | |
610 | memset(bar, '=', sizeof(bar)-1); | |
611 | memset(spaces, ' ', sizeof(spaces)-1); | |
a6d8302b TT |
612 | add_error_table(&et_ext2_error_table); |
613 | add_error_table(&et_prof_error_table); | |
f364093b | 614 | blkid_get_cache(&ctx->blkid, NULL); |
1b6bf175 TT |
615 | |
616 | if (argc && *argv) | |
617 | ctx->program_name = *argv; | |
618 | else | |
619 | ctx->program_name = "e2fsck"; | |
4fb9d52b | 620 | while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF) |
1b6bf175 | 621 | switch (c) { |
efac9a1b TT |
622 | case 'C': |
623 | ctx->progress = e2fsck_update_progress; | |
5845caa4 TT |
624 | res = sscanf(optarg, "%d", &ctx->progress_fd); |
625 | if (res != 1) | |
626 | goto sscanf_err; | |
627 | ||
fc9a69ca TT |
628 | if (!ctx->progress_fd) |
629 | break; | |
ae8160e6 TT |
630 | /* Validate the file descriptor to avoid disasters */ |
631 | fd = dup(ctx->progress_fd); | |
632 | if (fd < 0) { | |
633 | fprintf(stderr, | |
634 | _("Error validating file descriptor %d: %s\n"), | |
635 | ctx->progress_fd, | |
636 | error_message(errno)); | |
637 | fatal_error(ctx, | |
638 | _("Invalid completion information file descriptor")); | |
639 | } else | |
640 | close(fd); | |
efac9a1b | 641 | break; |
850d05e9 TT |
642 | case 'D': |
643 | ctx->options |= E2F_OPT_COMPRESS_DIRS; | |
644 | break; | |
0684a4f3 TT |
645 | case 'E': |
646 | extended_opts = optarg; | |
647 | break; | |
1b6bf175 TT |
648 | case 'p': |
649 | case 'a': | |
8161a748 TT |
650 | if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { |
651 | conflict_opt: | |
652 | fatal_error(ctx, | |
f4b6d2a0 | 653 | _("Only one of the options -p/-a, -n or -y may be specified.")); |
8161a748 | 654 | } |
1b6bf175 | 655 | ctx->options |= E2F_OPT_PREEN; |
1b6bf175 TT |
656 | break; |
657 | case 'n': | |
8161a748 TT |
658 | if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) |
659 | goto conflict_opt; | |
1b6bf175 | 660 | ctx->options |= E2F_OPT_NO; |
1b6bf175 TT |
661 | break; |
662 | case 'y': | |
8161a748 TT |
663 | if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) |
664 | goto conflict_opt; | |
1b6bf175 | 665 | ctx->options |= E2F_OPT_YES; |
1b6bf175 TT |
666 | break; |
667 | case 't': | |
8bf191e8 | 668 | #ifdef RESOURCE_TRACK |
1b6bf175 TT |
669 | if (ctx->options & E2F_OPT_TIME) |
670 | ctx->options |= E2F_OPT_TIME2; | |
671 | else | |
672 | ctx->options |= E2F_OPT_TIME; | |
8bf191e8 | 673 | #else |
0c4a0726 TT |
674 | fprintf(stderr, _("The -t option is not " |
675 | "supported on this version of e2fsck.\n")); | |
8bf191e8 | 676 | #endif |
1b6bf175 TT |
677 | break; |
678 | case 'c': | |
3ed57c27 TT |
679 | if (cflag++) |
680 | ctx->options |= E2F_OPT_WRITECHECK; | |
1b6bf175 TT |
681 | ctx->options |= E2F_OPT_CHECKBLOCKS; |
682 | break; | |
683 | case 'r': | |
684 | /* What we do by default, anyway! */ | |
685 | break; | |
686 | case 'b': | |
5845caa4 TT |
687 | res = sscanf(optarg, "%d", &ctx->use_superblock); |
688 | if (res != 1) | |
689 | goto sscanf_err; | |
ae6cdcf7 | 690 | ctx->flags |= E2F_FLAG_SB_SPECIFIED; |
1b6bf175 TT |
691 | break; |
692 | case 'B': | |
f1a1761d | 693 | ctx->blocksize = atoi(optarg); |
1b6bf175 TT |
694 | break; |
695 | case 'I': | |
5845caa4 TT |
696 | res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); |
697 | if (res != 1) | |
698 | goto sscanf_err; | |
1b6bf175 | 699 | break; |
adee8d75 | 700 | case 'j': |
f364093b | 701 | ctx->journal_name = string_copy(ctx, optarg, 0); |
adee8d75 | 702 | break; |
1b6bf175 | 703 | case 'P': |
5845caa4 TT |
704 | res = sscanf(optarg, "%d", &ctx->process_inode_size); |
705 | if (res != 1) | |
706 | goto sscanf_err; | |
1b6bf175 TT |
707 | break; |
708 | case 'L': | |
709 | replace_bad_blocks++; | |
710 | case 'l': | |
f364093b | 711 | bad_blocks_file = string_copy(ctx, optarg, 0); |
1b6bf175 TT |
712 | break; |
713 | case 'd': | |
714 | ctx->options |= E2F_OPT_DEBUG; | |
715 | break; | |
716 | case 'f': | |
d37066a9 | 717 | ctx->options |= E2F_OPT_FORCE; |
1b6bf175 TT |
718 | break; |
719 | case 'F': | |
1b6bf175 | 720 | flush = 1; |
1b6bf175 TT |
721 | break; |
722 | case 'v': | |
723 | verbose = 1; | |
724 | break; | |
725 | case 'V': | |
726 | show_version_only = 1; | |
727 | break; | |
728 | #ifdef MTRACE | |
729 | case 'M': | |
730 | mallwatch = (void *) strtol(optarg, NULL, 0); | |
731 | break; | |
732 | #endif | |
733 | case 'N': | |
734 | ctx->device_name = optarg; | |
735 | break; | |
5df55d7f | 736 | #ifdef ENABLE_SWAPFS |
1b6bf175 TT |
737 | case 's': |
738 | normalize_swapfs = 1; | |
739 | case 'S': | |
740 | swapfs = 1; | |
741 | break; | |
5df55d7f TT |
742 | #else |
743 | case 's': | |
744 | case 'S': | |
745 | fprintf(stderr, _("Byte-swapping filesystems " | |
746 | "not compiled in this version " | |
747 | "of e2fsck\n")); | |
748 | exit(1); | |
749 | #endif | |
4fb9d52b TT |
750 | case 'k': |
751 | keep_bad_blocks++; | |
bc69f82d | 752 | break; |
1b6bf175 TT |
753 | default: |
754 | usage(ctx); | |
755 | } | |
756 | if (show_version_only) | |
757 | return 0; | |
758 | if (optind != argc - 1) | |
759 | usage(ctx); | |
760 | if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file && | |
850d05e9 | 761 | !cflag && !swapfs && !(ctx->options & E2F_OPT_COMPRESS_DIRS)) |
1b6bf175 | 762 | ctx->options |= E2F_OPT_READONLY; |
2e8ca9a2 TT |
763 | ctx->io_options = strchr(argv[optind], '?'); |
764 | if (ctx->io_options) | |
765 | *ctx->io_options++ = 0; | |
f364093b | 766 | ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); |
817e49e3 TT |
767 | if (!ctx->filesystem_name) { |
768 | com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), | |
769 | argv[optind]); | |
770 | fatal_error(ctx, 0); | |
771 | } | |
0684a4f3 TT |
772 | if (extended_opts) |
773 | parse_extended_opts(ctx, extended_opts); | |
1017f651 | 774 | |
5dd2a6e0 TT |
775 | if ((cp = getenv("E2FSCK_CONFIG")) != NULL) |
776 | config_fn[0] = cp; | |
f5f14fcf | 777 | profile_set_syntax_err_cb(syntax_err_report); |
1017f651 TT |
778 | profile_init(config_fn, &ctx->profile); |
779 | ||
28ffafb0 | 780 | if (flush) { |
4ea7bd04 | 781 | fd = open(ctx->filesystem_name, O_RDONLY, 0); |
1b6bf175 | 782 | if (fd < 0) { |
0c4a0726 TT |
783 | com_err("open", errno, |
784 | _("while opening %s for flushing"), | |
1b6bf175 | 785 | ctx->filesystem_name); |
243dc31f | 786 | fatal_error(ctx, 0); |
1b6bf175 | 787 | } |
5df55d7f | 788 | if ((retval = ext2fs_sync_device(fd, 1))) { |
5ba23cb1 | 789 | com_err("ext2fs_sync_device", retval, |
0c4a0726 | 790 | _("while trying to flush %s"), |
1b6bf175 | 791 | ctx->filesystem_name); |
243dc31f | 792 | fatal_error(ctx, 0); |
1b6bf175 TT |
793 | } |
794 | close(fd); | |
1b6bf175 | 795 | } |
5df55d7f | 796 | #ifdef ENABLE_SWAPFS |
1b6bf175 TT |
797 | if (swapfs) { |
798 | if (cflag || bad_blocks_file) { | |
0c4a0726 | 799 | fprintf(stderr, _("Incompatible options not " |
3ed57c27 | 800 | "allowed when byte-swapping.\n")); |
243dc31f | 801 | exit(FSCK_USAGE); |
1b6bf175 TT |
802 | } |
803 | } | |
5df55d7f | 804 | #endif |
3ed57c27 TT |
805 | if (cflag && bad_blocks_file) { |
806 | fprintf(stderr, _("The -c and the -l/-L options may " | |
807 | "not be both used at the same time.\n")); | |
808 | exit(FSCK_USAGE); | |
809 | } | |
9ecd8bec | 810 | #ifdef HAVE_SIGNAL_H |
5596defa TT |
811 | /* |
812 | * Set up signal action | |
813 | */ | |
814 | memset(&sa, 0, sizeof(struct sigaction)); | |
850d05e9 TT |
815 | sa.sa_handler = signal_cancel; |
816 | sigaction(SIGINT, &sa, 0); | |
817 | sigaction(SIGTERM, &sa, 0); | |
5596defa TT |
818 | #ifdef SA_RESTART |
819 | sa.sa_flags = SA_RESTART; | |
820 | #endif | |
243dc31f | 821 | e2fsck_global_ctx = ctx; |
5596defa TT |
822 | sa.sa_handler = signal_progress_on; |
823 | sigaction(SIGUSR1, &sa, 0); | |
824 | sa.sa_handler = signal_progress_off; | |
825 | sigaction(SIGUSR2, &sa, 0); | |
9ecd8bec | 826 | #endif |
6d222f32 TT |
827 | |
828 | /* Update our PATH to include /sbin if we need to run badblocks */ | |
829 | if (cflag) { | |
830 | char *oldpath = getenv("PATH"); | |
642935c0 TT |
831 | char *newpath; |
832 | int len = sizeof(PATH_SET) + 1; | |
833 | ||
834 | if (oldpath) | |
835 | len += strlen(oldpath); | |
836 | ||
837 | newpath = malloc(len); | |
838 | if (!newpath) | |
839 | fatal_error(ctx, "Couldn't malloc() newpath"); | |
840 | strcpy(newpath, PATH_SET); | |
841 | ||
6d222f32 | 842 | if (oldpath) { |
642935c0 TT |
843 | strcat(newpath, ":"); |
844 | strcat(newpath, oldpath); | |
845 | } | |
846 | putenv(newpath); | |
6d222f32 | 847 | } |
5e72cdbe | 848 | #ifdef CONFIG_JBD_DEBUG |
5845caa4 TT |
849 | jbd_debug = getenv("E2FSCK_JBD_DEBUG"); |
850 | if (jbd_debug) | |
851 | res = sscanf(jbd_debug, "%d", &journal_enable_debug); | |
852 | if (res != 1) { | |
853 | fprintf(stderr, | |
854 | _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), | |
855 | jbd_debug); | |
856 | exit (1); | |
857 | } | |
5e72cdbe | 858 | #endif |
1b6bf175 | 859 | return 0; |
5845caa4 TT |
860 | |
861 | sscanf_err: | |
862 | fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), | |
863 | c, optarg); | |
864 | exit (1); | |
1b6bf175 TT |
865 | } |
866 | ||
867 | static const char *my_ver_string = E2FSPROGS_VERSION; | |
868 | static const char *my_ver_date = E2FSPROGS_DATE; | |
869 | ||
870 | int main (int argc, char *argv[]) | |
871 | { | |
cd538080 | 872 | errcode_t retval = 0, orig_retval = 0; |
1b6bf175 | 873 | int exit_value = FSCK_OK; |
1b6bf175 TT |
874 | ext2_filsys fs = 0; |
875 | io_manager io_ptr; | |
5dd8f963 | 876 | struct ext2_super_block *sb; |
1b6bf175 TT |
877 | const char *lib_ver_date; |
878 | int my_ver, lib_ver; | |
879 | e2fsck_t ctx; | |
880 | struct problem_context pctx; | |
08b21301 | 881 | int flags, run_result; |
5107d0d1 | 882 | int journal_size; |
9f0288d3 | 883 | int sysval, sys_page_size = 4096; |
1b6bf175 TT |
884 | |
885 | clear_problem_context(&pctx); | |
886 | #ifdef MTRACE | |
887 | mtrace(); | |
888 | #endif | |
889 | #ifdef MCHECK | |
890 | mcheck(0); | |
0c4a0726 TT |
891 | #endif |
892 | #ifdef ENABLE_NLS | |
893 | setlocale(LC_MESSAGES, ""); | |
14308a53 | 894 | setlocale(LC_CTYPE, ""); |
0c4a0726 TT |
895 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); |
896 | textdomain(NLS_CAT_NAME); | |
1b6bf175 TT |
897 | #endif |
898 | my_ver = ext2fs_parse_version_string(my_ver_string); | |
899 | lib_ver = ext2fs_get_library_version(0, &lib_ver_date); | |
900 | if (my_ver > lib_ver) { | |
0c4a0726 TT |
901 | fprintf( stderr, _("Error: ext2fs library version " |
902 | "out of date!\n")); | |
1b6bf175 TT |
903 | show_version_only++; |
904 | } | |
905 | ||
906 | retval = PRS(argc, argv, &ctx); | |
907 | if (retval) { | |
908 | com_err("e2fsck", retval, | |
0c4a0726 | 909 | _("while trying to initialize program")); |
243dc31f | 910 | exit(FSCK_ERROR); |
1b6bf175 | 911 | } |
24fc5032 TT |
912 | reserve_stdio_fds(); |
913 | ||
8bf191e8 | 914 | #ifdef RESOURCE_TRACK |
1b6bf175 | 915 | init_resource_track(&ctx->global_rtrack); |
8bf191e8 | 916 | #endif |
1b6bf175 TT |
917 | |
918 | if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) | |
908b785c | 919 | fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string, |
0f8973fb | 920 | my_ver_date); |
1b6bf175 TT |
921 | |
922 | if (show_version_only) { | |
0c4a0726 | 923 | fprintf(stderr, _("\tUsing %s, %s\n"), |
1b6bf175 | 924 | error_message(EXT2_ET_BASE), lib_ver_date); |
243dc31f | 925 | exit(FSCK_OK); |
1b6bf175 TT |
926 | } |
927 | ||
928 | check_mount(ctx); | |
929 | ||
930 | if (!(ctx->options & E2F_OPT_PREEN) && | |
931 | !(ctx->options & E2F_OPT_NO) && | |
932 | !(ctx->options & E2F_OPT_YES)) { | |
54a31a3b | 933 | if (!ctx->interactive) |
f8188fff | 934 | fatal_error(ctx, |
0c4a0726 | 935 | _("need terminal for interactive repairs")); |
1b6bf175 TT |
936 | } |
937 | ctx->superblock = ctx->use_superblock; | |
938 | restart: | |
2a29f135 | 939 | #ifdef CONFIG_TESTIO_DEBUG |
1b6bf175 TT |
940 | io_ptr = test_io_manager; |
941 | test_io_backing_manager = unix_io_manager; | |
2a29f135 TT |
942 | #else |
943 | io_ptr = unix_io_manager; | |
1b6bf175 | 944 | #endif |
17390c04 TT |
945 | flags = 0; |
946 | if ((ctx->options & E2F_OPT_READONLY) == 0) | |
947 | flags |= EXT2_FLAG_RW; | |
2e14e0c8 TT |
948 | if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0) |
949 | flags |= EXT2_FLAG_EXCLUSIVE; | |
17390c04 | 950 | |
f1a1761d | 951 | if (ctx->superblock && ctx->blocksize) { |
2e8ca9a2 TT |
952 | retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, |
953 | flags, ctx->superblock, ctx->blocksize, | |
954 | io_ptr, &fs); | |
1b6bf175 | 955 | } else if (ctx->superblock) { |
932a489c AD |
956 | int blocksize; |
957 | for (blocksize = EXT2_MIN_BLOCK_SIZE; | |
958 | blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { | |
2e8ca9a2 TT |
959 | retval = ext2fs_open2(ctx->filesystem_name, |
960 | ctx->io_options, flags, | |
961 | ctx->superblock, blocksize, | |
962 | io_ptr, &fs); | |
1b6bf175 TT |
963 | if (!retval) |
964 | break; | |
965 | } | |
966 | } else | |
2e8ca9a2 TT |
967 | retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, |
968 | flags, 0, 0, io_ptr, &fs); | |
ae6cdcf7 TT |
969 | if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && |
970 | !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && | |
1b6bf175 | 971 | ((retval == EXT2_ET_BAD_MAGIC) || |
cd538080 | 972 | (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || |
1b6bf175 TT |
973 | ((retval == 0) && ext2fs_check_desc(fs)))) { |
974 | if (!fs || (fs->group_desc_count > 1)) { | |
cd538080 TT |
975 | printf(_("%s: %s trying backup blocks...\n"), |
976 | ctx->program_name, | |
977 | retval ? _("Superblock invalid,") : | |
0c4a0726 | 978 | _("Group descriptors look bad...")); |
f1a1761d | 979 | get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); |
1b6bf175 TT |
980 | if (fs) |
981 | ext2fs_close(fs); | |
cd538080 | 982 | orig_retval = retval; |
1b6bf175 TT |
983 | goto restart; |
984 | } | |
985 | } | |
986 | if (retval) { | |
cd538080 TT |
987 | if (orig_retval) |
988 | retval = orig_retval; | |
0c4a0726 | 989 | com_err(ctx->program_name, retval, _("while trying to open %s"), |
1b6bf175 | 990 | ctx->filesystem_name); |
24dd4028 | 991 | if (retval == EXT2_ET_REV_TOO_HIGH) { |
0c4a0726 | 992 | printf(_("The filesystem revision is apparently " |
24dd4028 TT |
993 | "too high for this version of e2fsck.\n" |
994 | "(Or the filesystem superblock " | |
0c4a0726 | 995 | "is corrupt)\n\n")); |
24dd4028 TT |
996 | fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); |
997 | } else if (retval == EXT2_ET_SHORT_READ) | |
0c4a0726 | 998 | printf(_("Could this be a zero-length partition?\n")); |
1b6bf175 | 999 | else if ((retval == EPERM) || (retval == EACCES)) |
0c4a0726 TT |
1000 | printf(_("You must have %s access to the " |
1001 | "filesystem or be root\n"), | |
1b6bf175 TT |
1002 | (ctx->options & E2F_OPT_READONLY) ? |
1003 | "r/o" : "r/w"); | |
1004 | else if (retval == ENXIO) | |
0c4a0726 | 1005 | printf(_("Possibly non-existent or swap device?\n")); |
2e14e0c8 TT |
1006 | else if (retval == EBUSY) |
1007 | printf(_("Filesystem mounted or opened exclusively " | |
1008 | "by another program?\n")); | |
68227542 TT |
1009 | #ifdef EROFS |
1010 | else if (retval == EROFS) | |
0c4a0726 | 1011 | printf(_("Disk write-protected; use the -n option " |
68227542 | 1012 | "to do a read-only\n" |
0c4a0726 | 1013 | "check of the device.\n")); |
68227542 | 1014 | #endif |
1b6bf175 TT |
1015 | else |
1016 | fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); | |
243dc31f | 1017 | fatal_error(ctx, 0); |
1b6bf175 | 1018 | } |
058ad1c7 TT |
1019 | /* |
1020 | * We only update the master superblock because (a) paranoia; | |
1021 | * we don't want to corrupt the backup superblocks, and (b) we | |
1022 | * don't need to update the mount count and last checked | |
1023 | * fields in the backup superblock (the kernel doesn't update | |
1024 | * the backup superblocks anyway). With newer versions of the | |
1025 | * library this flag is set by ext2fs_open2(), but we set this | |
1026 | * here just to be sure. (No, we don't support e2fsck running | |
1027 | * with some other libext2fs than the one that it was shipped | |
1028 | * with, but just in case....) | |
1029 | */ | |
1030 | fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; | |
d2af1bdd TT |
1031 | |
1032 | if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { | |
1033 | __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); | |
1034 | int need_restart = 0; | |
1035 | ||
1036 | pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name, | |
1037 | blocksize, | |
1038 | &ctx->num_blocks); | |
1039 | /* | |
1040 | * The floppy driver refuses to allow anyone else to | |
1041 | * open the device if has been opened with O_EXCL; | |
1042 | * this is unlike other block device drivers in Linux. | |
1043 | * To handle this, we close the filesystem and then | |
1044 | * reopen the filesystem after we get the device size. | |
1045 | */ | |
1046 | if (pctx.errcode == EBUSY) { | |
1047 | ext2fs_close(fs); | |
1048 | need_restart++; | |
1049 | pctx.errcode = | |
1050 | ext2fs_get_device_size(ctx->filesystem_name, | |
1051 | blocksize, | |
1052 | &ctx->num_blocks); | |
1053 | } | |
1054 | if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) | |
1055 | ctx->num_blocks = 0; | |
1056 | else if (pctx.errcode) { | |
1057 | fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); | |
1058 | ctx->flags |= E2F_FLAG_ABORT; | |
1059 | fatal_error(ctx, 0); | |
d2af1bdd TT |
1060 | } |
1061 | ctx->flags |= E2F_FLAG_GOT_DEVSIZE; | |
1062 | if (need_restart) | |
1063 | goto restart; | |
1064 | } | |
1065 | ||
1b6bf175 | 1066 | ctx->fs = fs; |
54dc7ca2 | 1067 | fs->priv_data = ctx; |
8dceb924 | 1068 | fs->now = ctx->now; |
5dd8f963 TT |
1069 | sb = fs->super; |
1070 | if (sb->s_rev_level > E2FSCK_CURRENT_REV) { | |
1b6bf175 | 1071 | com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, |
0c4a0726 | 1072 | _("while trying to open %s"), |
1b6bf175 | 1073 | ctx->filesystem_name); |
f8188fff | 1074 | get_newer: |
0c4a0726 | 1075 | fatal_error(ctx, _("Get a newer version of e2fsck!")); |
1b6bf175 | 1076 | } |
3b5386dc TT |
1077 | |
1078 | /* | |
1079 | * Set the device name, which is used whenever we print error | |
1080 | * or informational messages to the user. | |
1081 | */ | |
1082 | if (ctx->device_name == 0 && | |
5dd8f963 | 1083 | (sb->s_volume_name[0] != 0)) { |
f364093b TT |
1084 | ctx->device_name = string_copy(ctx, sb->s_volume_name, |
1085 | sizeof(sb->s_volume_name)); | |
3b5386dc TT |
1086 | } |
1087 | if (ctx->device_name == 0) | |
1088 | ctx->device_name = ctx->filesystem_name; | |
1089 | ||
17390c04 | 1090 | /* |
9b565759 | 1091 | * Make sure the ext3 superblock fields are consistent. |
17390c04 | 1092 | */ |
3b5386dc TT |
1093 | retval = e2fsck_check_ext3_journal(ctx); |
1094 | if (retval) { | |
1095 | com_err(ctx->program_name, retval, | |
1096 | _("while checking ext3 journal for %s"), | |
1097 | ctx->device_name); | |
243dc31f | 1098 | fatal_error(ctx, 0); |
3b5386dc TT |
1099 | } |
1100 | ||
9b565759 TT |
1101 | /* |
1102 | * Check to see if we need to do ext3-style recovery. If so, | |
1103 | * do it, and then restart the fsck. | |
1104 | */ | |
5dd8f963 | 1105 | if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) { |
2575fb04 TT |
1106 | if (ctx->options & E2F_OPT_READONLY) { |
1107 | printf(_("Warning: skipping journal recovery " | |
1108 | "because doing a read-only filesystem " | |
1109 | "check.\n")); | |
1110 | io_channel_flush(ctx->fs->io); | |
1111 | } else { | |
b92ae153 TT |
1112 | if (ctx->flags & E2F_FLAG_RESTARTED) { |
1113 | /* | |
1114 | * Whoops, we attempted to run the | |
1115 | * journal twice. This should never | |
1116 | * happen, unless the hardware or | |
1117 | * device driver is being bogus. | |
1118 | */ | |
1119 | com_err(ctx->program_name, 0, | |
1120 | _("unable to set superblock flags on %s\n"), ctx->device_name); | |
1121 | fatal_error(ctx, 0); | |
1122 | } | |
2575fb04 TT |
1123 | retval = e2fsck_run_ext3_journal(ctx); |
1124 | if (retval) { | |
1125 | com_err(ctx->program_name, retval, | |
3b5386dc | 1126 | _("while recovering ext3 journal of %s"), |
2575fb04 TT |
1127 | ctx->device_name); |
1128 | fatal_error(ctx, 0); | |
1129 | } | |
1130 | ext2fs_close(ctx->fs); | |
1131 | ctx->fs = 0; | |
b92ae153 | 1132 | ctx->flags |= E2F_FLAG_RESTARTED; |
2575fb04 | 1133 | goto restart; |
17390c04 | 1134 | } |
17390c04 | 1135 | } |
3b5386dc | 1136 | |
1b6bf175 TT |
1137 | /* |
1138 | * Check for compatibility with the feature sets. We need to | |
1139 | * be more stringent than ext2fs_open(). | |
1140 | */ | |
5dd8f963 TT |
1141 | if ((sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP) || |
1142 | (sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP)) { | |
1b6bf175 | 1143 | com_err(ctx->program_name, EXT2_ET_UNSUPP_FEATURE, |
3b5386dc | 1144 | "(%s)", ctx->device_name); |
f8188fff | 1145 | goto get_newer; |
1b6bf175 | 1146 | } |
5dd8f963 | 1147 | if (sb->s_feature_ro_compat & ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP) { |
1b6bf175 | 1148 | com_err(ctx->program_name, EXT2_ET_RO_UNSUPP_FEATURE, |
3b5386dc | 1149 | "(%s)", ctx->device_name); |
1b6bf175 TT |
1150 | goto get_newer; |
1151 | } | |
1917875f | 1152 | #ifdef ENABLE_COMPRESSION |
5dd8f963 | 1153 | if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION) |
1917875f TT |
1154 | com_err(ctx->program_name, 0, |
1155 | _("Warning: compression support is experimental.\n")); | |
1156 | #endif | |
8fdc9985 TT |
1157 | #ifndef ENABLE_HTREE |
1158 | if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) { | |
1159 | com_err(ctx->program_name, 0, | |
1160 | _("E2fsck not compiled with HTREE support,\n\t" | |
1161 | "but filesystem %s has HTREE directories.\n"), | |
1162 | ctx->device_name); | |
1163 | goto get_newer; | |
1164 | } | |
1165 | #endif | |
1166 | ||
1b6bf175 TT |
1167 | /* |
1168 | * If the user specified a specific superblock, presumably the | |
1169 | * master superblock has been trashed. So we mark the | |
1170 | * superblock as dirty, so it can be written out. | |
1171 | */ | |
1172 | if (ctx->superblock && | |
1173 | !(ctx->options & E2F_OPT_READONLY)) | |
1174 | ext2fs_mark_super_dirty(fs); | |
1175 | ||
9f0288d3 TT |
1176 | /* |
1177 | * Calculate the number of filesystem blocks per pagesize. If | |
1178 | * fs->blocksize > page_size, set the number of blocks per | |
1179 | * pagesize to 1 to avoid division by zero errors. | |
1180 | */ | |
1181 | #ifdef _SC_PAGESIZE | |
1182 | sysval = sysconf(_SC_PAGESIZE); | |
1183 | if (sysval > 0) | |
1184 | sys_page_size = sysval; | |
1185 | #endif /* _SC_PAGESIZE */ | |
1186 | ctx->blocks_per_page = sys_page_size / fs->blocksize; | |
1187 | if (ctx->blocks_per_page == 0) | |
1188 | ctx->blocks_per_page = 1; | |
1189 | ||
1b6bf175 TT |
1190 | ehandler_init(fs->io); |
1191 | ||
1192 | if (ctx->superblock) | |
1193 | set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); | |
550a4afa | 1194 | ext2fs_mark_valid(fs); |
1b6bf175 | 1195 | check_super_block(ctx); |
a02ce9df | 1196 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
243dc31f | 1197 | fatal_error(ctx, 0); |
1b6bf175 TT |
1198 | check_if_skip(ctx); |
1199 | if (bad_blocks_file) | |
1200 | read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); | |
1201 | else if (cflag) | |
4fb9d52b | 1202 | read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ |
a02ce9df | 1203 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
243dc31f | 1204 | fatal_error(ctx, 0); |
5df55d7f | 1205 | #ifdef ENABLE_SWAPFS |
1b6bf175 TT |
1206 | if (normalize_swapfs) { |
1207 | if ((fs->flags & EXT2_FLAG_SWAP_BYTES) == | |
1208 | ext2fs_native_flag()) { | |
0c4a0726 TT |
1209 | fprintf(stderr, _("%s: Filesystem byte order " |
1210 | "already normalized.\n"), ctx->device_name); | |
243dc31f | 1211 | fatal_error(ctx, 0); |
1b6bf175 TT |
1212 | } |
1213 | } | |
f8188fff | 1214 | if (swapfs) { |
1b6bf175 | 1215 | swap_filesys(ctx); |
a02ce9df | 1216 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) |
243dc31f | 1217 | fatal_error(ctx, 0); |
f8188fff | 1218 | } |
5df55d7f | 1219 | #endif |
1b6bf175 TT |
1220 | |
1221 | /* | |
1222 | * Mark the system as valid, 'til proven otherwise | |
1223 | */ | |
1224 | ext2fs_mark_valid(fs); | |
1225 | ||
1226 | retval = ext2fs_read_bb_inode(fs, &fs->badblocks); | |
1227 | if (retval) { | |
1228 | com_err(ctx->program_name, retval, | |
0c4a0726 | 1229 | _("while reading bad blocks inode")); |
1b6bf175 | 1230 | preenhalt(ctx); |
0c4a0726 TT |
1231 | printf(_("This doesn't bode well," |
1232 | " but we'll try to go on...\n")); | |
1b6bf175 | 1233 | } |
08b21301 | 1234 | |
5107d0d1 KS |
1235 | /* |
1236 | * Save the journal size in megabytes. | |
1237 | * Try and use the journal size from the backup else let e2fsck | |
1238 | * find the default journal size. | |
1239 | */ | |
1240 | if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) | |
1241 | journal_size = sb->s_jnl_blocks[16] >> 20; | |
1242 | else | |
1243 | journal_size = -1; | |
1244 | ||
08b21301 | 1245 | run_result = e2fsck_run(ctx); |
5596defa | 1246 | e2fsck_clear_progbar(ctx); |
5107d0d1 KS |
1247 | |
1248 | if (ctx->flags & E2F_FLAG_JOURNAL_INODE) { | |
1249 | if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { | |
1250 | if (journal_size < 1024) | |
1251 | journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count); | |
1252 | if (journal_size < 0) { | |
1253 | fs->super->s_feature_compat &= | |
1254 | ~EXT3_FEATURE_COMPAT_HAS_JOURNAL; | |
0cfce7f7 | 1255 | fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; |
5107d0d1 KS |
1256 | com_err(ctx->program_name, 0, |
1257 | _("Couldn't determine journal size")); | |
1258 | goto no_journal; | |
1259 | } | |
1260 | printf(_("Creating journal (%d blocks): "), | |
1261 | journal_size); | |
1262 | fflush(stdout); | |
1263 | retval = ext2fs_add_journal_inode(fs, | |
1264 | journal_size, 0); | |
1265 | if (retval) { | |
1266 | com_err("Error ", retval, | |
1267 | _("\n\twhile trying to create journal")); | |
1268 | goto no_journal; | |
1269 | } | |
1270 | printf(_(" Done.\n")); | |
1271 | printf(_("\n*** journal has been re-created - " | |
1272 | "filesystem is now ext3 again ***\n")); | |
1273 | } | |
1274 | } | |
1275 | no_journal: | |
1276 | ||
08b21301 | 1277 | if (run_result == E2F_FLAG_RESTART) { |
0c4a0726 | 1278 | printf(_("Restarting e2fsck from the beginning...\n")); |
1b6bf175 TT |
1279 | retval = e2fsck_reset_context(ctx); |
1280 | if (retval) { | |
1281 | com_err(ctx->program_name, retval, | |
0c4a0726 | 1282 | _("while resetting context")); |
243dc31f | 1283 | fatal_error(ctx, 0); |
1b6bf175 | 1284 | } |
73f17cfc | 1285 | ext2fs_close(fs); |
1b6bf175 TT |
1286 | goto restart; |
1287 | } | |
4cae0452 TT |
1288 | if (run_result & E2F_FLAG_CANCEL) { |
1289 | printf(_("%s: e2fsck canceled.\n"), ctx->device_name ? | |
1290 | ctx->device_name : ctx->filesystem_name); | |
1291 | exit_value |= FSCK_CANCELED; | |
1292 | } | |
1293 | if (run_result & E2F_FLAG_ABORT) | |
1294 | fatal_error(ctx, _("aborted")); | |
1b6bf175 TT |
1295 | |
1296 | #ifdef MTRACE | |
1297 | mtrace_print("Cleanup"); | |
1298 | #endif | |
1299 | if (ext2fs_test_changed(fs)) { | |
4cae0452 | 1300 | exit_value |= FSCK_NONDESTRUCT; |
1b6bf175 | 1301 | if (!(ctx->options & E2F_OPT_PREEN)) |
0c4a0726 | 1302 | printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), |
1b6bf175 | 1303 | ctx->device_name); |
ee895139 | 1304 | if (ctx->mount_flags & EXT2_MF_ISROOT) { |
0c4a0726 | 1305 | printf(_("%s: ***** REBOOT LINUX *****\n"), |
1b6bf175 | 1306 | ctx->device_name); |
4cae0452 | 1307 | exit_value |= FSCK_REBOOT; |
1b6bf175 TT |
1308 | } |
1309 | } | |
eb065ccf TT |
1310 | if (!ext2fs_test_valid(fs) || |
1311 | ((exit_value & FSCK_CANCELED) && | |
1312 | (sb->s_state & EXT2_ERROR_FS))) { | |
d3124019 TT |
1313 | printf(_("\n%s: ********** WARNING: Filesystem still has " |
1314 | "errors **********\n\n"), ctx->device_name); | |
4cae0452 TT |
1315 | exit_value |= FSCK_UNCORRECTED; |
1316 | exit_value &= ~FSCK_NONDESTRUCT; | |
d3124019 | 1317 | } |
eb065ccf TT |
1318 | if (exit_value & FSCK_CANCELED) { |
1319 | int allow_cancellation; | |
1320 | ||
1321 | profile_get_boolean(ctx->profile, "options", | |
1322 | "allow_cancellation", 0, 0, | |
1323 | &allow_cancellation); | |
4cae0452 | 1324 | exit_value &= ~FSCK_NONDESTRUCT; |
eb065ccf TT |
1325 | if (allow_cancellation && ext2fs_test_valid(fs) && |
1326 | (sb->s_state & EXT2_VALID_FS) && | |
1327 | !(sb->s_state & EXT2_ERROR_FS)) | |
1328 | exit_value = 0; | |
1329 | } else { | |
4cae0452 | 1330 | show_stats(ctx); |
c1637bd3 TT |
1331 | if (!(ctx->options & E2F_OPT_READONLY)) { |
1332 | if (ext2fs_test_valid(fs)) { | |
1333 | if (!(sb->s_state & EXT2_VALID_FS)) | |
1334 | exit_value |= FSCK_NONDESTRUCT; | |
1335 | sb->s_state = EXT2_VALID_FS; | |
1336 | } else | |
1337 | sb->s_state &= ~EXT2_VALID_FS; | |
1338 | sb->s_mnt_count = 0; | |
1f3ad14a | 1339 | sb->s_lastcheck = ctx->now; |
c1637bd3 TT |
1340 | ext2fs_mark_super_dirty(fs); |
1341 | } | |
1342 | } | |
1b6bf175 | 1343 | |
f8188fff | 1344 | e2fsck_write_bitmaps(ctx); |
1b6bf175 | 1345 | |
0628ae39 TT |
1346 | ext2fs_close(fs); |
1347 | ctx->fs = NULL; | |
f364093b TT |
1348 | free(ctx->filesystem_name); |
1349 | free(ctx->journal_name); | |
b28a6e96 | 1350 | |
8bf191e8 | 1351 | #ifdef RESOURCE_TRACK |
1b6bf175 TT |
1352 | if (ctx->options & E2F_OPT_TIME) |
1353 | print_resource_track(NULL, &ctx->global_rtrack); | |
8bf191e8 | 1354 | #endif |
b28a6e96 | 1355 | e2fsck_free_context(ctx); |
a6d8302b TT |
1356 | remove_error_table(&et_ext2_error_table); |
1357 | remove_error_table(&et_prof_error_table); | |
1b6bf175 TT |
1358 | return exit_value; |
1359 | } |