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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 | #define _XOPEN_SOURCE 600 /* for inclusion of sa_handler in Solaris */ | |
13 | ||
14 | #include "config.h" | |
15 | #include <stdio.h> | |
16 | #ifdef HAVE_STDLIB_H | |
17 | #include <stdlib.h> | |
18 | #endif | |
19 | #include <string.h> | |
20 | #include <fcntl.h> | |
21 | #include <ctype.h> | |
22 | #include <time.h> | |
23 | #ifdef HAVE_SIGNAL_H | |
24 | #include <signal.h> | |
25 | #endif | |
26 | #ifdef HAVE_GETOPT_H | |
27 | #include <getopt.h> | |
28 | #else | |
29 | extern char *optarg; | |
30 | extern int optind; | |
31 | #endif | |
32 | #include <unistd.h> | |
33 | #ifdef HAVE_ERRNO_H | |
34 | #include <errno.h> | |
35 | #endif | |
36 | #ifdef HAVE_SYS_IOCTL_H | |
37 | #include <sys/ioctl.h> | |
38 | #endif | |
39 | #ifdef HAVE_MALLOC_H | |
40 | #include <malloc.h> | |
41 | #endif | |
42 | #ifdef HAVE_SYS_TYPES_H | |
43 | #include <sys/types.h> | |
44 | #endif | |
45 | #ifdef HAVE_DIRENT_H | |
46 | #include <dirent.h> | |
47 | #endif | |
48 | #include <libgen.h> | |
49 | ||
50 | #include "e2p/e2p.h" | |
51 | #include "et/com_err.h" | |
52 | #include "e2p/e2p.h" | |
53 | #include "support/plausible.h" | |
54 | #include "e2fsck.h" | |
55 | #include "problem.h" | |
56 | #include "jfs_user.h" | |
57 | #include "../version.h" | |
58 | ||
59 | /* Command line options */ | |
60 | static int cflag; /* check disk */ | |
61 | static int show_version_only; | |
62 | static int verbose; | |
63 | ||
64 | static int replace_bad_blocks; | |
65 | static int keep_bad_blocks; | |
66 | static char *bad_blocks_file; | |
67 | ||
68 | e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ | |
69 | ||
70 | #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jbd-debug */ | |
71 | int journal_enable_debug = -1; | |
72 | #endif | |
73 | ||
74 | static void usage(e2fsck_t ctx) | |
75 | { | |
76 | fprintf(stderr, | |
77 | _("Usage: %s [-panyrcdfktvDFV] [-b superblock] [-B blocksize]\n" | |
78 | "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n" | |
79 | "\t\t[-E extended-options] [-z undo_file] device\n"), | |
80 | ctx->program_name); | |
81 | ||
82 | fprintf(stderr, "%s", _("\nEmergency help:\n" | |
83 | " -p Automatic repair (no questions)\n" | |
84 | " -n Make no changes to the filesystem\n" | |
85 | " -y Assume \"yes\" to all questions\n" | |
86 | " -c Check for bad blocks and add them to the badblock list\n" | |
87 | " -f Force checking even if filesystem is marked clean\n")); | |
88 | fprintf(stderr, "%s", _("" | |
89 | " -v Be verbose\n" | |
90 | " -b superblock Use alternative superblock\n" | |
91 | " -B blocksize Force blocksize when looking for superblock\n" | |
92 | " -j external_journal Set location of the external journal\n" | |
93 | " -l bad_blocks_file Add to badblocks list\n" | |
94 | " -L bad_blocks_file Set badblocks list\n" | |
95 | " -z undo_file Create an undo file\n" | |
96 | )); | |
97 | ||
98 | exit(FSCK_USAGE); | |
99 | } | |
100 | ||
101 | static void show_stats(e2fsck_t ctx) | |
102 | { | |
103 | ext2_filsys fs = ctx->fs; | |
104 | ext2_ino_t inodes, inodes_used; | |
105 | blk64_t blocks, blocks_used; | |
106 | unsigned int dir_links; | |
107 | unsigned int num_files, num_links; | |
108 | __u32 *mask, m; | |
109 | int frag_percent_file = 0, frag_percent_dir = 0, frag_percent_total = 0; | |
110 | int i, j, printed = 0; | |
111 | ||
112 | dir_links = 2 * ctx->fs_directory_count - 1; | |
113 | num_files = ctx->fs_total_count - dir_links; | |
114 | num_links = ctx->fs_links_count - dir_links; | |
115 | inodes = fs->super->s_inodes_count; | |
116 | inodes_used = (fs->super->s_inodes_count - | |
117 | fs->super->s_free_inodes_count); | |
118 | blocks = ext2fs_blocks_count(fs->super); | |
119 | blocks_used = (ext2fs_blocks_count(fs->super) - | |
120 | ext2fs_free_blocks_count(fs->super)); | |
121 | ||
122 | if (inodes_used > 0) { | |
123 | frag_percent_file = (10000 * ctx->fs_fragmented) / inodes_used; | |
124 | frag_percent_file = (frag_percent_file + 5) / 10; | |
125 | ||
126 | frag_percent_dir = (10000 * ctx->fs_fragmented_dir) / inodes_used; | |
127 | frag_percent_dir = (frag_percent_dir + 5) / 10; | |
128 | ||
129 | frag_percent_total = ((10000 * (ctx->fs_fragmented + | |
130 | ctx->fs_fragmented_dir)) | |
131 | / inodes_used); | |
132 | frag_percent_total = (frag_percent_total + 5) / 10; | |
133 | } | |
134 | ||
135 | if (!verbose) { | |
136 | log_out(ctx, _("%s: %u/%u files (%0d.%d%% non-contiguous), " | |
137 | "%llu/%llu blocks\n"), | |
138 | ctx->device_name, inodes_used, inodes, | |
139 | frag_percent_total / 10, frag_percent_total % 10, | |
140 | blocks_used, blocks); | |
141 | return; | |
142 | } | |
143 | profile_get_boolean(ctx->profile, "options", "report_features", 0, 0, | |
144 | &i); | |
145 | if (verbose && i) { | |
146 | log_out(ctx, "\nFilesystem features:"); | |
147 | mask = &ctx->fs->super->s_feature_compat; | |
148 | for (i = 0; i < 3; i++, mask++) { | |
149 | for (j = 0, m = 1; j < 32; j++, m <<= 1) { | |
150 | if (*mask & m) { | |
151 | log_out(ctx, " %s", | |
152 | e2p_feature2string(i, m)); | |
153 | printed++; | |
154 | } | |
155 | } | |
156 | } | |
157 | if (printed == 0) | |
158 | log_out(ctx, " (none)"); | |
159 | log_out(ctx, "\n"); | |
160 | } | |
161 | ||
162 | log_out(ctx, P_("\n%12u inode used (%2.2f%%, out of %u)\n", | |
163 | "\n%12u inodes used (%2.2f%%, out of %u)\n", | |
164 | inodes_used), inodes_used, | |
165 | 100.0 * inodes_used / inodes, inodes); | |
166 | log_out(ctx, P_("%12u non-contiguous file (%0d.%d%%)\n", | |
167 | "%12u non-contiguous files (%0d.%d%%)\n", | |
168 | ctx->fs_fragmented), | |
169 | ctx->fs_fragmented, frag_percent_file / 10, | |
170 | frag_percent_file % 10); | |
171 | log_out(ctx, P_("%12u non-contiguous directory (%0d.%d%%)\n", | |
172 | "%12u non-contiguous directories (%0d.%d%%)\n", | |
173 | ctx->fs_fragmented_dir), | |
174 | ctx->fs_fragmented_dir, frag_percent_dir / 10, | |
175 | frag_percent_dir % 10); | |
176 | log_out(ctx, _(" # of inodes with ind/dind/tind blocks: " | |
177 | "%u/%u/%u\n"), | |
178 | ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count); | |
179 | ||
180 | for (j=MAX_EXTENT_DEPTH_COUNT-1; j >=0; j--) | |
181 | if (ctx->extent_depth_count[j]) | |
182 | break; | |
183 | if (++j) { | |
184 | log_out(ctx, "%s", _(" Extent depth histogram: ")); | |
185 | for (i=0; i < j; i++) { | |
186 | if (i) | |
187 | fputc('/', stdout); | |
188 | log_out(ctx, "%u", ctx->extent_depth_count[i]); | |
189 | } | |
190 | log_out(ctx, "\n"); | |
191 | } | |
192 | ||
193 | log_out(ctx, P_("%12llu block used (%2.2f%%, out of %llu)\n", | |
194 | "%12llu blocks used (%2.2f%%, out of %llu)\n", | |
195 | blocks_used), | |
196 | blocks_used, 100.0 * blocks_used / blocks, blocks); | |
197 | log_out(ctx, P_("%12u bad block\n", "%12u bad blocks\n", | |
198 | ctx->fs_badblocks_count), ctx->fs_badblocks_count); | |
199 | log_out(ctx, P_("%12u large file\n", "%12u large files\n", | |
200 | ctx->large_files), ctx->large_files); | |
201 | log_out(ctx, P_("\n%12u regular file\n", "\n%12u regular files\n", | |
202 | ctx->fs_regular_count), ctx->fs_regular_count); | |
203 | log_out(ctx, P_("%12u directory\n", "%12u directories\n", | |
204 | ctx->fs_directory_count), ctx->fs_directory_count); | |
205 | log_out(ctx, P_("%12u character device file\n", | |
206 | "%12u character device files\n", ctx->fs_chardev_count), | |
207 | ctx->fs_chardev_count); | |
208 | log_out(ctx, P_("%12u block device file\n", "%12u block device files\n", | |
209 | ctx->fs_blockdev_count), ctx->fs_blockdev_count); | |
210 | log_out(ctx, P_("%12u fifo\n", "%12u fifos\n", ctx->fs_fifo_count), | |
211 | ctx->fs_fifo_count); | |
212 | log_out(ctx, P_("%12u link\n", "%12u links\n", num_links), | |
213 | ctx->fs_links_count - dir_links); | |
214 | log_out(ctx, P_("%12u symbolic link", "%12u symbolic links", | |
215 | ctx->fs_symlinks_count), ctx->fs_symlinks_count); | |
216 | log_out(ctx, P_(" (%u fast symbolic link)\n", | |
217 | " (%u fast symbolic links)\n", | |
218 | ctx->fs_fast_symlinks_count), | |
219 | ctx->fs_fast_symlinks_count); | |
220 | log_out(ctx, P_("%12u socket\n", "%12u sockets\n", | |
221 | ctx->fs_sockets_count), | |
222 | ctx->fs_sockets_count); | |
223 | log_out(ctx, "------------\n"); | |
224 | log_out(ctx, P_("%12u file\n", "%12u files\n", num_files), | |
225 | num_files); | |
226 | } | |
227 | ||
228 | static void check_mount(e2fsck_t ctx) | |
229 | { | |
230 | errcode_t retval; | |
231 | int cont; | |
232 | ||
233 | retval = ext2fs_check_if_mounted(ctx->filesystem_name, | |
234 | &ctx->mount_flags); | |
235 | if (retval) { | |
236 | com_err("ext2fs_check_if_mount", retval, | |
237 | _("while determining whether %s is mounted."), | |
238 | ctx->filesystem_name); | |
239 | return; | |
240 | } | |
241 | ||
242 | /* | |
243 | * If the filesystem isn't mounted, or it's the root | |
244 | * filesystem and it's mounted read-only, and we're not doing | |
245 | * a read/write check, then everything's fine. | |
246 | */ | |
247 | if ((!(ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY))) || | |
248 | ((ctx->mount_flags & EXT2_MF_ISROOT) && | |
249 | (ctx->mount_flags & EXT2_MF_READONLY) && | |
250 | !(ctx->options & E2F_OPT_WRITECHECK))) | |
251 | return; | |
252 | ||
253 | if (((ctx->options & E2F_OPT_READONLY) || | |
254 | ((ctx->options & E2F_OPT_FORCE) && | |
255 | (ctx->mount_flags & EXT2_MF_READONLY))) && | |
256 | !(ctx->options & E2F_OPT_WRITECHECK)) { | |
257 | if (ctx->mount_flags & EXT2_MF_MOUNTED) | |
258 | log_out(ctx, _("Warning! %s is mounted.\n"), | |
259 | ctx->filesystem_name); | |
260 | else | |
261 | log_out(ctx, _("Warning! %s is in use.\n"), | |
262 | ctx->filesystem_name); | |
263 | return; | |
264 | } | |
265 | ||
266 | if (ctx->mount_flags & EXT2_MF_MOUNTED) | |
267 | log_out(ctx, _("%s is mounted.\n"), ctx->filesystem_name); | |
268 | else | |
269 | log_out(ctx, _("%s is in use.\n"), ctx->filesystem_name); | |
270 | if (!ctx->interactive || ctx->mount_flags & EXT2_MF_BUSY) | |
271 | fatal_error(ctx, _("Cannot continue, aborting.\n\n")); | |
272 | puts("\007\007\007\007"); | |
273 | log_out(ctx, "%s", _("\n\nWARNING!!! " | |
274 | "The filesystem is mounted. " | |
275 | "If you continue you ***WILL***\n" | |
276 | "cause ***SEVERE*** filesystem damage.\n\n")); | |
277 | puts("\007\007\007"); | |
278 | cont = ask_yn(ctx, _("Do you really want to continue"), 0); | |
279 | if (!cont) { | |
280 | printf("%s", _("check aborted.\n")); | |
281 | exit (0); | |
282 | } | |
283 | return; | |
284 | } | |
285 | ||
286 | static int is_on_batt(void) | |
287 | { | |
288 | FILE *f; | |
289 | DIR *d; | |
290 | char tmp[80], tmp2[80], fname[NAME_MAX+30]; | |
291 | unsigned int acflag; | |
292 | struct dirent* de; | |
293 | ||
294 | f = fopen("/sys/class/power_supply/AC/online", "r"); | |
295 | if (f) { | |
296 | if (fscanf(f, "%u\n", &acflag) == 1) { | |
297 | fclose(f); | |
298 | return (!acflag); | |
299 | } | |
300 | fclose(f); | |
301 | } | |
302 | f = fopen("/proc/apm", "r"); | |
303 | if (f) { | |
304 | if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4) | |
305 | acflag = 1; | |
306 | fclose(f); | |
307 | return (acflag != 1); | |
308 | } | |
309 | d = opendir("/proc/acpi/ac_adapter"); | |
310 | if (d) { | |
311 | while ((de=readdir(d)) != NULL) { | |
312 | if (!strncmp(".", de->d_name, 1)) | |
313 | continue; | |
314 | snprintf(fname, sizeof(fname), | |
315 | "/proc/acpi/ac_adapter/%s/state", | |
316 | de->d_name); | |
317 | f = fopen(fname, "r"); | |
318 | if (!f) | |
319 | continue; | |
320 | if (fscanf(f, "%s %s", tmp2, tmp) != 2) | |
321 | tmp[0] = 0; | |
322 | fclose(f); | |
323 | if (strncmp(tmp, "off-line", 8) == 0) { | |
324 | closedir(d); | |
325 | return 1; | |
326 | } | |
327 | } | |
328 | closedir(d); | |
329 | } | |
330 | return 0; | |
331 | } | |
332 | ||
333 | /* | |
334 | * This routine checks to see if a filesystem can be skipped; if so, | |
335 | * it will exit with E2FSCK_OK. Under some conditions it will print a | |
336 | * message explaining why a check is being forced. | |
337 | */ | |
338 | static void check_if_skip(e2fsck_t ctx) | |
339 | { | |
340 | ext2_filsys fs = ctx->fs; | |
341 | struct problem_context pctx; | |
342 | const char *reason = NULL; | |
343 | unsigned int reason_arg = 0; | |
344 | long next_check; | |
345 | int batt = is_on_batt(); | |
346 | int defer_check_on_battery; | |
347 | int broken_system_clock; | |
348 | time_t lastcheck; | |
349 | ||
350 | if (ctx->flags & E2F_FLAG_PROBLEMS_FIXED) | |
351 | return; | |
352 | ||
353 | profile_get_boolean(ctx->profile, "options", "broken_system_clock", | |
354 | 0, 0, &broken_system_clock); | |
355 | if (ctx->flags & E2F_FLAG_TIME_INSANE) | |
356 | broken_system_clock = 1; | |
357 | profile_get_boolean(ctx->profile, "options", | |
358 | "defer_check_on_battery", 0, 1, | |
359 | &defer_check_on_battery); | |
360 | if (!defer_check_on_battery) | |
361 | batt = 0; | |
362 | ||
363 | if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file || cflag) | |
364 | return; | |
365 | ||
366 | if (ctx->options & E2F_OPT_JOURNAL_ONLY) | |
367 | goto skip; | |
368 | ||
369 | lastcheck = fs->super->s_lastcheck; | |
370 | if (lastcheck > ctx->now) | |
371 | lastcheck -= ctx->time_fudge; | |
372 | if ((fs->super->s_state & EXT2_ERROR_FS) || | |
373 | !ext2fs_test_valid(fs)) | |
374 | reason = _(" contains a file system with errors"); | |
375 | else if ((fs->super->s_state & EXT2_VALID_FS) == 0) | |
376 | reason = _(" was not cleanly unmounted"); | |
377 | else if (check_backup_super_block(ctx)) | |
378 | reason = _(" primary superblock features different from backup"); | |
379 | else if ((fs->super->s_max_mnt_count > 0) && | |
380 | (fs->super->s_mnt_count >= | |
381 | (unsigned) fs->super->s_max_mnt_count)) { | |
382 | reason = _(" has been mounted %u times without being checked"); | |
383 | reason_arg = fs->super->s_mnt_count; | |
384 | if (batt && (fs->super->s_mnt_count < | |
385 | (unsigned) fs->super->s_max_mnt_count*2)) | |
386 | reason = 0; | |
387 | } else if (!broken_system_clock && fs->super->s_checkinterval && | |
388 | (ctx->now < lastcheck)) { | |
389 | reason = _(" has filesystem last checked time in the future"); | |
390 | if (batt) | |
391 | reason = 0; | |
392 | } else if (!broken_system_clock && fs->super->s_checkinterval && | |
393 | ((ctx->now - lastcheck) >= | |
394 | ((time_t) fs->super->s_checkinterval))) { | |
395 | reason = _(" has gone %u days without being checked"); | |
396 | reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24); | |
397 | if (batt && ((ctx->now - fs->super->s_lastcheck) < | |
398 | fs->super->s_checkinterval*2)) | |
399 | reason = 0; | |
400 | } else if (broken_system_clock && fs->super->s_checkinterval) { | |
401 | log_out(ctx, "%s: ", ctx->device_name); | |
402 | log_out(ctx, "%s", | |
403 | _("ignoring check interval, broken_system_clock set\n")); | |
404 | } | |
405 | ||
406 | if (reason) { | |
407 | log_out(ctx, "%s", ctx->device_name); | |
408 | log_out(ctx, reason, reason_arg); | |
409 | log_out(ctx, "%s", _(", check forced.\n")); | |
410 | return; | |
411 | } | |
412 | ||
413 | /* | |
414 | * Update the global counts from the block group counts. This | |
415 | * is needed since modern kernels don't update the global | |
416 | * counts so as to avoid locking the entire file system. So | |
417 | * if the filesystem is not unmounted cleanly, the global | |
418 | * counts may not be accurate. Update them here if we can, | |
419 | * for the benefit of users who might examine the file system | |
420 | * using dumpe2fs. (This is for cosmetic reasons only.) | |
421 | */ | |
422 | clear_problem_context(&pctx); | |
423 | pctx.ino = fs->super->s_free_inodes_count; | |
424 | pctx.ino2 = ctx->free_inodes; | |
425 | if ((pctx.ino != pctx.ino2) && | |
426 | !(ctx->options & E2F_OPT_READONLY) && | |
427 | fix_problem(ctx, PR_0_FREE_INODE_COUNT, &pctx)) { | |
428 | fs->super->s_free_inodes_count = ctx->free_inodes; | |
429 | ext2fs_mark_super_dirty(fs); | |
430 | } | |
431 | clear_problem_context(&pctx); | |
432 | pctx.blk = ext2fs_free_blocks_count(fs->super); | |
433 | pctx.blk2 = ctx->free_blocks; | |
434 | if ((pctx.blk != pctx.blk2) && | |
435 | !(ctx->options & E2F_OPT_READONLY) && | |
436 | fix_problem(ctx, PR_0_FREE_BLOCK_COUNT, &pctx)) { | |
437 | ext2fs_free_blocks_count_set(fs->super, ctx->free_blocks); | |
438 | ext2fs_mark_super_dirty(fs); | |
439 | } | |
440 | ||
441 | /* Print the summary message when we're skipping a full check */ | |
442 | log_out(ctx, _("%s: clean, %u/%u files, %llu/%llu blocks"), | |
443 | ctx->device_name, | |
444 | fs->super->s_inodes_count - fs->super->s_free_inodes_count, | |
445 | fs->super->s_inodes_count, | |
446 | ext2fs_blocks_count(fs->super) - | |
447 | ext2fs_free_blocks_count(fs->super), | |
448 | ext2fs_blocks_count(fs->super)); | |
449 | next_check = 100000; | |
450 | if (fs->super->s_max_mnt_count > 0) { | |
451 | next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count; | |
452 | if (next_check <= 0) | |
453 | next_check = 1; | |
454 | } | |
455 | if (!broken_system_clock && fs->super->s_checkinterval && | |
456 | ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval)) | |
457 | next_check = 1; | |
458 | if (next_check <= 5) { | |
459 | if (next_check == 1) { | |
460 | if (batt) | |
461 | log_out(ctx, "%s", | |
462 | _(" (check deferred; on battery)")); | |
463 | else | |
464 | log_out(ctx, "%s", | |
465 | _(" (check after next mount)")); | |
466 | } else | |
467 | log_out(ctx, _(" (check in %ld mounts)"), | |
468 | next_check); | |
469 | } | |
470 | log_out(ctx, "\n"); | |
471 | skip: | |
472 | ext2fs_close_free(&ctx->fs); | |
473 | e2fsck_free_context(ctx); | |
474 | exit(FSCK_OK); | |
475 | } | |
476 | ||
477 | /* | |
478 | * For completion notice | |
479 | */ | |
480 | struct percent_tbl { | |
481 | int max_pass; | |
482 | int table[32]; | |
483 | }; | |
484 | static struct percent_tbl e2fsck_tbl = { | |
485 | 5, { 0, 70, 90, 92, 95, 100 } | |
486 | }; | |
487 | static char bar[128], spaces[128]; | |
488 | ||
489 | static float calc_percent(struct percent_tbl *tbl, int pass, int curr, | |
490 | int max) | |
491 | { | |
492 | float percent; | |
493 | ||
494 | if (pass <= 0) | |
495 | return 0.0; | |
496 | if (pass > tbl->max_pass || max == 0) | |
497 | return 100.0; | |
498 | percent = ((float) curr) / ((float) max); | |
499 | return ((percent * (tbl->table[pass] - tbl->table[pass-1])) | |
500 | + tbl->table[pass-1]); | |
501 | } | |
502 | ||
503 | void e2fsck_clear_progbar(e2fsck_t ctx) | |
504 | { | |
505 | if (!(ctx->flags & E2F_FLAG_PROG_BAR)) | |
506 | return; | |
507 | ||
508 | printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80), | |
509 | ctx->stop_meta); | |
510 | fflush(stdout); | |
511 | ctx->flags &= ~E2F_FLAG_PROG_BAR; | |
512 | } | |
513 | ||
514 | int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent, | |
515 | unsigned int dpynum) | |
516 | { | |
517 | static const char spinner[] = "\\|/-"; | |
518 | int i; | |
519 | unsigned int tick; | |
520 | struct timeval tv; | |
521 | int dpywidth; | |
522 | int fixed_percent; | |
523 | ||
524 | if (ctx->flags & E2F_FLAG_PROG_SUPPRESS) | |
525 | return 0; | |
526 | ||
527 | /* | |
528 | * Calculate the new progress position. If the | |
529 | * percentage hasn't changed, then we skip out right | |
530 | * away. | |
531 | */ | |
532 | fixed_percent = (int) ((10 * percent) + 0.5); | |
533 | if (ctx->progress_last_percent == fixed_percent) | |
534 | return 0; | |
535 | ctx->progress_last_percent = fixed_percent; | |
536 | ||
537 | /* | |
538 | * If we've already updated the spinner once within | |
539 | * the last 1/8th of a second, no point doing it | |
540 | * again. | |
541 | */ | |
542 | gettimeofday(&tv, NULL); | |
543 | tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8)); | |
544 | if ((tick == ctx->progress_last_time) && | |
545 | (fixed_percent != 0) && (fixed_percent != 1000)) | |
546 | return 0; | |
547 | ctx->progress_last_time = tick; | |
548 | ||
549 | /* | |
550 | * Advance the spinner, and note that the progress bar | |
551 | * will be on the screen | |
552 | */ | |
553 | ctx->progress_pos = (ctx->progress_pos+1) & 3; | |
554 | ctx->flags |= E2F_FLAG_PROG_BAR; | |
555 | ||
556 | dpywidth = 66 - strlen(label); | |
557 | dpywidth = 8 * (dpywidth / 8); | |
558 | if (dpynum) | |
559 | dpywidth -= 8; | |
560 | ||
561 | i = ((percent * dpywidth) + 50) / 100; | |
562 | printf("%s%s: |%s%s", ctx->start_meta, label, | |
563 | bar + (sizeof(bar) - (i+1)), | |
564 | spaces + (sizeof(spaces) - (dpywidth - i + 1))); | |
565 | if (fixed_percent == 1000) | |
566 | fputc('|', stdout); | |
567 | else | |
568 | fputc(spinner[ctx->progress_pos & 3], stdout); | |
569 | printf(" %4.1f%% ", percent); | |
570 | if (dpynum) | |
571 | printf("%u\r", dpynum); | |
572 | else | |
573 | fputs(" \r", stdout); | |
574 | fputs(ctx->stop_meta, stdout); | |
575 | ||
576 | if (fixed_percent == 1000) | |
577 | e2fsck_clear_progbar(ctx); | |
578 | fflush(stdout); | |
579 | ||
580 | return 0; | |
581 | } | |
582 | ||
583 | static int e2fsck_update_progress(e2fsck_t ctx, int pass, | |
584 | unsigned long cur, unsigned long max) | |
585 | { | |
586 | char buf[1024]; | |
587 | float percent; | |
588 | ||
589 | if (pass == 0) | |
590 | return 0; | |
591 | ||
592 | if (ctx->progress_fd) { | |
593 | snprintf(buf, sizeof(buf), "%d %lu %lu %s\n", | |
594 | pass, cur, max, ctx->device_name); | |
595 | write_all(ctx->progress_fd, buf, strlen(buf)); | |
596 | } else { | |
597 | percent = calc_percent(&e2fsck_tbl, pass, cur, max); | |
598 | e2fsck_simple_progress(ctx, ctx->device_name, | |
599 | percent, 0); | |
600 | } | |
601 | return 0; | |
602 | } | |
603 | ||
604 | #define PATH_SET "PATH=/sbin" | |
605 | ||
606 | /* | |
607 | * Make sure 0,1,2 file descriptors are open, so that we don't open | |
608 | * the filesystem using the same file descriptor as stdout or stderr. | |
609 | */ | |
610 | static void reserve_stdio_fds(void) | |
611 | { | |
612 | int fd = 0; | |
613 | ||
614 | while (fd <= 2) { | |
615 | fd = open("/dev/null", O_RDWR); | |
616 | if (fd < 0) { | |
617 | fprintf(stderr, _("ERROR: Couldn't open " | |
618 | "/dev/null (%s)\n"), | |
619 | strerror(errno)); | |
620 | break; | |
621 | } | |
622 | } | |
623 | } | |
624 | ||
625 | #ifdef HAVE_SIGNAL_H | |
626 | static void signal_progress_on(int sig EXT2FS_ATTR((unused))) | |
627 | { | |
628 | e2fsck_t ctx = e2fsck_global_ctx; | |
629 | ||
630 | if (!ctx) | |
631 | return; | |
632 | ||
633 | ctx->progress = e2fsck_update_progress; | |
634 | } | |
635 | ||
636 | static void signal_progress_off(int sig EXT2FS_ATTR((unused))) | |
637 | { | |
638 | e2fsck_t ctx = e2fsck_global_ctx; | |
639 | ||
640 | if (!ctx) | |
641 | return; | |
642 | ||
643 | e2fsck_clear_progbar(ctx); | |
644 | ctx->progress = 0; | |
645 | } | |
646 | ||
647 | static void signal_cancel(int sig EXT2FS_ATTR((unused))) | |
648 | { | |
649 | e2fsck_t ctx = e2fsck_global_ctx; | |
650 | ||
651 | if (!ctx) | |
652 | exit(FSCK_CANCELED); | |
653 | ||
654 | ctx->flags |= E2F_FLAG_CANCEL; | |
655 | } | |
656 | #endif | |
657 | ||
658 | static void parse_extended_opts(e2fsck_t ctx, const char *opts) | |
659 | { | |
660 | char *buf, *token, *next, *p, *arg; | |
661 | int ea_ver; | |
662 | int extended_usage = 0; | |
663 | unsigned long long reada_kb; | |
664 | ||
665 | buf = string_copy(ctx, opts, 0); | |
666 | for (token = buf; token && *token; token = next) { | |
667 | p = strchr(token, ','); | |
668 | next = 0; | |
669 | if (p) { | |
670 | *p = 0; | |
671 | next = p+1; | |
672 | } | |
673 | arg = strchr(token, '='); | |
674 | if (arg) { | |
675 | *arg = 0; | |
676 | arg++; | |
677 | } | |
678 | if (strcmp(token, "ea_ver") == 0) { | |
679 | if (!arg) { | |
680 | extended_usage++; | |
681 | continue; | |
682 | } | |
683 | ea_ver = strtoul(arg, &p, 0); | |
684 | if (*p || | |
685 | ((ea_ver != 1) && (ea_ver != 2))) { | |
686 | fprintf(stderr, "%s", | |
687 | _("Invalid EA version.\n")); | |
688 | extended_usage++; | |
689 | continue; | |
690 | } | |
691 | ctx->ext_attr_ver = ea_ver; | |
692 | } else if (strcmp(token, "readahead_kb") == 0) { | |
693 | if (!arg) { | |
694 | extended_usage++; | |
695 | continue; | |
696 | } | |
697 | reada_kb = strtoull(arg, &p, 0); | |
698 | if (*p) { | |
699 | fprintf(stderr, "%s", | |
700 | _("Invalid readahead buffer size.\n")); | |
701 | extended_usage++; | |
702 | continue; | |
703 | } | |
704 | ctx->readahead_kb = reada_kb; | |
705 | } else if (strcmp(token, "fragcheck") == 0) { | |
706 | ctx->options |= E2F_OPT_FRAGCHECK; | |
707 | continue; | |
708 | } else if (strcmp(token, "journal_only") == 0) { | |
709 | if (arg) { | |
710 | extended_usage++; | |
711 | continue; | |
712 | } | |
713 | ctx->options |= E2F_OPT_JOURNAL_ONLY; | |
714 | } else if (strcmp(token, "discard") == 0) { | |
715 | ctx->options |= E2F_OPT_DISCARD; | |
716 | continue; | |
717 | } else if (strcmp(token, "nodiscard") == 0) { | |
718 | ctx->options &= ~E2F_OPT_DISCARD; | |
719 | continue; | |
720 | } else if (strcmp(token, "optimize_extents") == 0) { | |
721 | ctx->options &= ~E2F_OPT_NOOPT_EXTENTS; | |
722 | continue; | |
723 | } else if (strcmp(token, "no_optimize_extents") == 0) { | |
724 | ctx->options |= E2F_OPT_NOOPT_EXTENTS; | |
725 | continue; | |
726 | } else if (strcmp(token, "inode_count_fullmap") == 0) { | |
727 | ctx->options |= E2F_OPT_ICOUNT_FULLMAP; | |
728 | continue; | |
729 | } else if (strcmp(token, "no_inode_count_fullmap") == 0) { | |
730 | ctx->options &= ~E2F_OPT_ICOUNT_FULLMAP; | |
731 | continue; | |
732 | } else if (strcmp(token, "log_filename") == 0) { | |
733 | if (!arg) | |
734 | extended_usage++; | |
735 | else | |
736 | ctx->log_fn = string_copy(ctx, arg, 0); | |
737 | continue; | |
738 | } else if (strcmp(token, "bmap2extent") == 0) { | |
739 | ctx->options |= E2F_OPT_CONVERT_BMAP; | |
740 | continue; | |
741 | } else if (strcmp(token, "fixes_only") == 0) { | |
742 | ctx->options |= E2F_OPT_FIXES_ONLY; | |
743 | continue; | |
744 | } else if (strcmp(token, "unshare_blocks") == 0) { | |
745 | ctx->options |= E2F_OPT_UNSHARE_BLOCKS; | |
746 | ctx->options |= E2F_OPT_FORCE; | |
747 | continue; | |
748 | } else { | |
749 | fprintf(stderr, _("Unknown extended option: %s\n"), | |
750 | token); | |
751 | extended_usage++; | |
752 | } | |
753 | } | |
754 | free(buf); | |
755 | ||
756 | if (extended_usage) { | |
757 | fputs(_("\nExtended options are separated by commas, " | |
758 | "and may take an argument which\n" | |
759 | "is set off by an equals ('=') sign. " | |
760 | "Valid extended options are:\n\n"), stderr); | |
761 | fputs(_("\tea_ver=<ea_version (1 or 2)>\n"), stderr); | |
762 | fputs("\tfragcheck\n", stderr); | |
763 | fputs("\tjournal_only\n", stderr); | |
764 | fputs("\tdiscard\n", stderr); | |
765 | fputs("\tnodiscard\n", stderr); | |
766 | fputs("\toptimize_extents\n", stderr); | |
767 | fputs("\tno_optimize_extents\n", stderr); | |
768 | fputs("\tinode_count_fullmap\n", stderr); | |
769 | fputs("\tno_inode_count_fullmap\n", stderr); | |
770 | fputs(_("\treadahead_kb=<buffer size>\n"), stderr); | |
771 | fputs("\tbmap2extent\n", stderr); | |
772 | fputs("\tunshare_blocks\n", stderr); | |
773 | fputs("\tfixes_only\n", stderr); | |
774 | fputc('\n', stderr); | |
775 | exit(1); | |
776 | } | |
777 | } | |
778 | ||
779 | static void syntax_err_report(const char *filename, long err, int line_num) | |
780 | { | |
781 | fprintf(stderr, | |
782 | _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"), | |
783 | filename, line_num, error_message(err)); | |
784 | exit(FSCK_ERROR); | |
785 | } | |
786 | ||
787 | static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 }; | |
788 | ||
789 | static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx) | |
790 | { | |
791 | int flush = 0; | |
792 | int c, fd; | |
793 | #ifdef MTRACE | |
794 | extern void *mallwatch; | |
795 | #endif | |
796 | e2fsck_t ctx; | |
797 | errcode_t retval; | |
798 | #ifdef HAVE_SIGNAL_H | |
799 | struct sigaction sa; | |
800 | #endif | |
801 | char *extended_opts = 0; | |
802 | char *cp; | |
803 | int res; /* result of sscanf */ | |
804 | #ifdef CONFIG_JBD_DEBUG | |
805 | char *jbd_debug; | |
806 | #endif | |
807 | unsigned long long phys_mem_kb; | |
808 | ||
809 | retval = e2fsck_allocate_context(&ctx); | |
810 | if (retval) | |
811 | return retval; | |
812 | ||
813 | *ret_ctx = ctx; | |
814 | e2fsck_global_ctx = ctx; | |
815 | ||
816 | setvbuf(stdout, NULL, _IONBF, BUFSIZ); | |
817 | setvbuf(stderr, NULL, _IONBF, BUFSIZ); | |
818 | if (getenv("E2FSCK_FORCE_INTERACTIVE") || (isatty(0) && isatty(1))) { | |
819 | ctx->interactive = 1; | |
820 | } else { | |
821 | ctx->start_meta[0] = '\001'; | |
822 | ctx->stop_meta[0] = '\002'; | |
823 | } | |
824 | memset(bar, '=', sizeof(bar)-1); | |
825 | memset(spaces, ' ', sizeof(spaces)-1); | |
826 | add_error_table(&et_ext2_error_table); | |
827 | add_error_table(&et_prof_error_table); | |
828 | blkid_get_cache(&ctx->blkid, NULL); | |
829 | ||
830 | if (argc && *argv) | |
831 | ctx->program_name = *argv; | |
832 | else | |
833 | ctx->program_name = "e2fsck"; | |
834 | ||
835 | phys_mem_kb = get_memory_size() / 1024; | |
836 | ctx->readahead_kb = ~0ULL; | |
837 | while ((c = getopt(argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDkz:")) != EOF) | |
838 | switch (c) { | |
839 | case 'C': | |
840 | ctx->progress = e2fsck_update_progress; | |
841 | res = sscanf(optarg, "%d", &ctx->progress_fd); | |
842 | if (res != 1) | |
843 | goto sscanf_err; | |
844 | ||
845 | if (ctx->progress_fd < 0) { | |
846 | ctx->progress = 0; | |
847 | ctx->progress_fd = ctx->progress_fd * -1; | |
848 | } | |
849 | if (!ctx->progress_fd) | |
850 | break; | |
851 | /* Validate the file descriptor to avoid disasters */ | |
852 | fd = dup(ctx->progress_fd); | |
853 | if (fd < 0) { | |
854 | fprintf(stderr, | |
855 | _("Error validating file descriptor %d: %s\n"), | |
856 | ctx->progress_fd, | |
857 | error_message(errno)); | |
858 | fatal_error(ctx, | |
859 | _("Invalid completion information file descriptor")); | |
860 | } else | |
861 | close(fd); | |
862 | break; | |
863 | case 'D': | |
864 | ctx->options |= E2F_OPT_COMPRESS_DIRS; | |
865 | break; | |
866 | case 'E': | |
867 | extended_opts = optarg; | |
868 | break; | |
869 | case 'p': | |
870 | case 'a': | |
871 | if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) { | |
872 | conflict_opt: | |
873 | fatal_error(ctx, | |
874 | _("Only one of the options -p/-a, -n or -y may be specified.")); | |
875 | } | |
876 | ctx->options |= E2F_OPT_PREEN; | |
877 | break; | |
878 | case 'n': | |
879 | if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN)) | |
880 | goto conflict_opt; | |
881 | ctx->options |= E2F_OPT_NO; | |
882 | break; | |
883 | case 'y': | |
884 | if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO)) | |
885 | goto conflict_opt; | |
886 | ctx->options |= E2F_OPT_YES; | |
887 | break; | |
888 | case 't': | |
889 | #ifdef RESOURCE_TRACK | |
890 | if (ctx->options & E2F_OPT_TIME) | |
891 | ctx->options |= E2F_OPT_TIME2; | |
892 | else | |
893 | ctx->options |= E2F_OPT_TIME; | |
894 | #else | |
895 | fprintf(stderr, _("The -t option is not " | |
896 | "supported on this version of e2fsck.\n")); | |
897 | #endif | |
898 | break; | |
899 | case 'c': | |
900 | if (cflag++) | |
901 | ctx->options |= E2F_OPT_WRITECHECK; | |
902 | ctx->options |= E2F_OPT_CHECKBLOCKS; | |
903 | break; | |
904 | case 'r': | |
905 | /* What we do by default, anyway! */ | |
906 | break; | |
907 | case 'b': | |
908 | res = sscanf(optarg, "%llu", &ctx->use_superblock); | |
909 | if (res != 1) | |
910 | goto sscanf_err; | |
911 | ctx->flags |= E2F_FLAG_SB_SPECIFIED; | |
912 | break; | |
913 | case 'B': | |
914 | ctx->blocksize = atoi(optarg); | |
915 | break; | |
916 | case 'I': | |
917 | res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks); | |
918 | if (res != 1) | |
919 | goto sscanf_err; | |
920 | break; | |
921 | case 'j': | |
922 | ctx->journal_name = blkid_get_devname(ctx->blkid, | |
923 | optarg, NULL); | |
924 | if (!ctx->journal_name) { | |
925 | com_err(ctx->program_name, 0, | |
926 | _("Unable to resolve '%s'"), | |
927 | optarg); | |
928 | fatal_error(ctx, 0); | |
929 | } | |
930 | break; | |
931 | case 'P': | |
932 | res = sscanf(optarg, "%d", &ctx->process_inode_size); | |
933 | if (res != 1) | |
934 | goto sscanf_err; | |
935 | break; | |
936 | case 'L': | |
937 | replace_bad_blocks++; | |
938 | /* fall through */ | |
939 | case 'l': | |
940 | if (bad_blocks_file) | |
941 | free(bad_blocks_file); | |
942 | bad_blocks_file = string_copy(ctx, optarg, 0); | |
943 | break; | |
944 | case 'd': | |
945 | ctx->options |= E2F_OPT_DEBUG; | |
946 | break; | |
947 | case 'f': | |
948 | ctx->options |= E2F_OPT_FORCE; | |
949 | break; | |
950 | case 'F': | |
951 | flush = 1; | |
952 | break; | |
953 | case 'v': | |
954 | verbose = 1; | |
955 | break; | |
956 | case 'V': | |
957 | show_version_only = 1; | |
958 | break; | |
959 | #ifdef MTRACE | |
960 | case 'M': | |
961 | mallwatch = (void *) strtol(optarg, NULL, 0); | |
962 | break; | |
963 | #endif | |
964 | case 'N': | |
965 | ctx->device_name = string_copy(ctx, optarg, 0); | |
966 | break; | |
967 | case 'k': | |
968 | keep_bad_blocks++; | |
969 | break; | |
970 | case 'z': | |
971 | ctx->undo_file = optarg; | |
972 | break; | |
973 | default: | |
974 | usage(ctx); | |
975 | } | |
976 | if (show_version_only) | |
977 | return 0; | |
978 | if (optind != argc - 1) | |
979 | usage(ctx); | |
980 | if ((ctx->options & E2F_OPT_NO) && | |
981 | (ctx->options & E2F_OPT_COMPRESS_DIRS)) { | |
982 | com_err(ctx->program_name, 0, "%s", | |
983 | _("The -n and -D options are incompatible.")); | |
984 | fatal_error(ctx, 0); | |
985 | } | |
986 | if ((ctx->options & E2F_OPT_NO) && cflag) { | |
987 | com_err(ctx->program_name, 0, "%s", | |
988 | _("The -n and -c options are incompatible.")); | |
989 | fatal_error(ctx, 0); | |
990 | } | |
991 | if ((ctx->options & E2F_OPT_NO) && bad_blocks_file) { | |
992 | com_err(ctx->program_name, 0, "%s", | |
993 | _("The -n and -l/-L options are incompatible.")); | |
994 | fatal_error(ctx, 0); | |
995 | } | |
996 | if (ctx->options & E2F_OPT_NO) | |
997 | ctx->options |= E2F_OPT_READONLY; | |
998 | ||
999 | ctx->io_options = strchr(argv[optind], '?'); | |
1000 | if (ctx->io_options) | |
1001 | *ctx->io_options++ = 0; | |
1002 | ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0); | |
1003 | if (!ctx->filesystem_name) { | |
1004 | com_err(ctx->program_name, 0, _("Unable to resolve '%s'"), | |
1005 | argv[optind]); | |
1006 | fatal_error(ctx, 0); | |
1007 | } | |
1008 | if (extended_opts) | |
1009 | parse_extended_opts(ctx, extended_opts); | |
1010 | ||
1011 | /* Complain about mutually exclusive rebuilding activities */ | |
1012 | if (getenv("E2FSCK_FIXES_ONLY")) | |
1013 | ctx->options |= E2F_OPT_FIXES_ONLY; | |
1014 | if ((ctx->options & E2F_OPT_COMPRESS_DIRS) && | |
1015 | (ctx->options & E2F_OPT_FIXES_ONLY)) { | |
1016 | com_err(ctx->program_name, 0, "%s", | |
1017 | _("The -D and -E fixes_only options are incompatible.")); | |
1018 | fatal_error(ctx, 0); | |
1019 | } | |
1020 | if ((ctx->options & E2F_OPT_CONVERT_BMAP) && | |
1021 | (ctx->options & E2F_OPT_FIXES_ONLY)) { | |
1022 | com_err(ctx->program_name, 0, "%s", | |
1023 | _("The -E bmap2extent and fixes_only options are incompatible.")); | |
1024 | fatal_error(ctx, 0); | |
1025 | } | |
1026 | ||
1027 | if ((cp = getenv("E2FSCK_CONFIG")) != NULL) | |
1028 | config_fn[0] = cp; | |
1029 | profile_set_syntax_err_cb(syntax_err_report); | |
1030 | profile_init(config_fn, &ctx->profile); | |
1031 | ||
1032 | profile_get_boolean(ctx->profile, "options", "report_time", 0, 0, | |
1033 | &c); | |
1034 | if (c) | |
1035 | ctx->options |= E2F_OPT_TIME | E2F_OPT_TIME2; | |
1036 | profile_get_boolean(ctx->profile, "options", "report_verbose", 0, 0, | |
1037 | &c); | |
1038 | if (c) | |
1039 | verbose = 1; | |
1040 | ||
1041 | profile_get_boolean(ctx->profile, "options", "no_optimize_extents", | |
1042 | 0, 0, &c); | |
1043 | if (c) | |
1044 | ctx->options |= E2F_OPT_NOOPT_EXTENTS; | |
1045 | ||
1046 | profile_get_boolean(ctx->profile, "options", "inode_count_fullmap", | |
1047 | 0, 0, &c); | |
1048 | if (c) | |
1049 | ctx->options |= E2F_OPT_ICOUNT_FULLMAP; | |
1050 | ||
1051 | if (ctx->readahead_kb == ~0ULL) { | |
1052 | profile_get_integer(ctx->profile, "options", | |
1053 | "readahead_mem_pct", 0, -1, &c); | |
1054 | if (c >= 0 && c <= 100) | |
1055 | ctx->readahead_kb = phys_mem_kb * c / 100; | |
1056 | profile_get_integer(ctx->profile, "options", | |
1057 | "readahead_kb", 0, -1, &c); | |
1058 | if (c >= 0) | |
1059 | ctx->readahead_kb = c; | |
1060 | if (ctx->readahead_kb != ~0ULL && | |
1061 | ctx->readahead_kb > phys_mem_kb) | |
1062 | ctx->readahead_kb = phys_mem_kb; | |
1063 | } | |
1064 | ||
1065 | /* Turn off discard in read-only mode */ | |
1066 | if ((ctx->options & E2F_OPT_NO) && | |
1067 | (ctx->options & E2F_OPT_DISCARD)) | |
1068 | ctx->options &= ~E2F_OPT_DISCARD; | |
1069 | ||
1070 | if (flush) { | |
1071 | fd = open(ctx->filesystem_name, O_RDONLY, 0); | |
1072 | if (fd < 0) { | |
1073 | com_err("open", errno, | |
1074 | _("while opening %s for flushing"), | |
1075 | ctx->filesystem_name); | |
1076 | fatal_error(ctx, 0); | |
1077 | } | |
1078 | if ((retval = ext2fs_sync_device(fd, 1))) { | |
1079 | com_err("ext2fs_sync_device", retval, | |
1080 | _("while trying to flush %s"), | |
1081 | ctx->filesystem_name); | |
1082 | fatal_error(ctx, 0); | |
1083 | } | |
1084 | close(fd); | |
1085 | } | |
1086 | if (cflag && bad_blocks_file) { | |
1087 | fprintf(stderr, "%s", _("The -c and the -l/-L options may not " | |
1088 | "be both used at the same time.\n")); | |
1089 | exit(FSCK_USAGE); | |
1090 | } | |
1091 | #ifdef HAVE_SIGNAL_H | |
1092 | /* | |
1093 | * Set up signal action | |
1094 | */ | |
1095 | memset(&sa, 0, sizeof(struct sigaction)); | |
1096 | sa.sa_handler = signal_cancel; | |
1097 | sigaction(SIGINT, &sa, 0); | |
1098 | sigaction(SIGTERM, &sa, 0); | |
1099 | #ifdef SA_RESTART | |
1100 | sa.sa_flags = SA_RESTART; | |
1101 | #endif | |
1102 | sa.sa_handler = signal_progress_on; | |
1103 | sigaction(SIGUSR1, &sa, 0); | |
1104 | sa.sa_handler = signal_progress_off; | |
1105 | sigaction(SIGUSR2, &sa, 0); | |
1106 | #endif | |
1107 | ||
1108 | /* Update our PATH to include /sbin if we need to run badblocks */ | |
1109 | if (cflag) { | |
1110 | char *oldpath = getenv("PATH"); | |
1111 | char *newpath; | |
1112 | int len = sizeof(PATH_SET) + 1; | |
1113 | ||
1114 | if (oldpath) | |
1115 | len += strlen(oldpath); | |
1116 | ||
1117 | newpath = malloc(len); | |
1118 | if (!newpath) | |
1119 | fatal_error(ctx, "Couldn't malloc() newpath"); | |
1120 | strcpy(newpath, PATH_SET); | |
1121 | ||
1122 | if (oldpath) { | |
1123 | strcat(newpath, ":"); | |
1124 | strcat(newpath, oldpath); | |
1125 | } | |
1126 | putenv(newpath); | |
1127 | } | |
1128 | #ifdef CONFIG_JBD_DEBUG | |
1129 | jbd_debug = getenv("E2FSCK_JBD_DEBUG"); | |
1130 | if (jbd_debug) { | |
1131 | res = sscanf(jbd_debug, "%d", &journal_enable_debug); | |
1132 | if (res != 1) { | |
1133 | fprintf(stderr, | |
1134 | _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"), | |
1135 | jbd_debug); | |
1136 | exit (1); | |
1137 | } | |
1138 | } | |
1139 | #endif | |
1140 | return 0; | |
1141 | ||
1142 | sscanf_err: | |
1143 | fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"), | |
1144 | c, optarg); | |
1145 | exit (1); | |
1146 | } | |
1147 | ||
1148 | static errcode_t try_open_fs(e2fsck_t ctx, int flags, io_manager io_ptr, | |
1149 | ext2_filsys *ret_fs) | |
1150 | { | |
1151 | errcode_t retval; | |
1152 | ||
1153 | *ret_fs = NULL; | |
1154 | if (ctx->superblock && ctx->blocksize) { | |
1155 | retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, | |
1156 | flags, ctx->superblock, ctx->blocksize, | |
1157 | io_ptr, ret_fs); | |
1158 | } else if (ctx->superblock) { | |
1159 | int blocksize; | |
1160 | for (blocksize = EXT2_MIN_BLOCK_SIZE; | |
1161 | blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) { | |
1162 | if (*ret_fs) { | |
1163 | ext2fs_free(*ret_fs); | |
1164 | *ret_fs = NULL; | |
1165 | } | |
1166 | retval = ext2fs_open2(ctx->filesystem_name, | |
1167 | ctx->io_options, flags, | |
1168 | ctx->superblock, blocksize, | |
1169 | io_ptr, ret_fs); | |
1170 | if (!retval) | |
1171 | break; | |
1172 | } | |
1173 | } else | |
1174 | retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options, | |
1175 | flags, 0, 0, io_ptr, ret_fs); | |
1176 | ||
1177 | if (retval == 0) { | |
1178 | (*ret_fs)->priv_data = ctx; | |
1179 | e2fsck_set_bitmap_type(*ret_fs, EXT2FS_BMAP64_RBTREE, | |
1180 | "default", NULL); | |
1181 | } | |
1182 | return retval; | |
1183 | } | |
1184 | ||
1185 | static const char *my_ver_string = E2FSPROGS_VERSION; | |
1186 | static const char *my_ver_date = E2FSPROGS_DATE; | |
1187 | ||
1188 | static errcode_t e2fsck_check_mmp(ext2_filsys fs, e2fsck_t ctx) | |
1189 | { | |
1190 | struct mmp_struct *mmp_s; | |
1191 | unsigned int mmp_check_interval; | |
1192 | errcode_t retval = 0; | |
1193 | struct problem_context pctx; | |
1194 | unsigned int wait_time = 0; | |
1195 | ||
1196 | clear_problem_context(&pctx); | |
1197 | if (fs->mmp_buf == NULL) { | |
1198 | retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf); | |
1199 | if (retval) | |
1200 | goto check_error; | |
1201 | } | |
1202 | ||
1203 | retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf); | |
1204 | if (retval) | |
1205 | goto check_error; | |
1206 | ||
1207 | mmp_s = fs->mmp_buf; | |
1208 | ||
1209 | mmp_check_interval = fs->super->s_mmp_update_interval; | |
1210 | if (mmp_check_interval < EXT4_MMP_MIN_CHECK_INTERVAL) | |
1211 | mmp_check_interval = EXT4_MMP_MIN_CHECK_INTERVAL; | |
1212 | ||
1213 | /* | |
1214 | * If check_interval in MMP block is larger, use that instead of | |
1215 | * check_interval from the superblock. | |
1216 | */ | |
1217 | if (mmp_s->mmp_check_interval > mmp_check_interval) | |
1218 | mmp_check_interval = mmp_s->mmp_check_interval; | |
1219 | ||
1220 | wait_time = mmp_check_interval * 2 + 1; | |
1221 | ||
1222 | if (mmp_s->mmp_seq == EXT4_MMP_SEQ_CLEAN) | |
1223 | retval = 0; | |
1224 | else if (mmp_s->mmp_seq == EXT4_MMP_SEQ_FSCK) | |
1225 | retval = EXT2_ET_MMP_FSCK_ON; | |
1226 | else if (mmp_s->mmp_seq > EXT4_MMP_SEQ_MAX) | |
1227 | retval = EXT2_ET_MMP_UNKNOWN_SEQ; | |
1228 | ||
1229 | if (retval) | |
1230 | goto check_error; | |
1231 | ||
1232 | /* Print warning if e2fsck will wait for more than 20 secs. */ | |
1233 | if (verbose || wait_time > EXT4_MMP_MIN_CHECK_INTERVAL * 4) { | |
1234 | log_out(ctx, _("MMP interval is %u seconds and total wait " | |
1235 | "time is %u seconds. Please wait...\n"), | |
1236 | mmp_check_interval, wait_time * 2); | |
1237 | } | |
1238 | ||
1239 | return 0; | |
1240 | ||
1241 | check_error: | |
1242 | ||
1243 | if (retval == EXT2_ET_MMP_BAD_BLOCK) { | |
1244 | if (fix_problem(ctx, PR_0_MMP_INVALID_BLK, &pctx)) { | |
1245 | fs->super->s_mmp_block = 0; | |
1246 | ext2fs_mark_super_dirty(fs); | |
1247 | retval = 0; | |
1248 | } | |
1249 | } else if (retval == EXT2_ET_MMP_FAILED) { | |
1250 | com_err(ctx->program_name, retval, "%s", | |
1251 | _("while checking MMP block")); | |
1252 | dump_mmp_msg(fs->mmp_buf, NULL); | |
1253 | } else if (retval == EXT2_ET_MMP_FSCK_ON || | |
1254 | retval == EXT2_ET_MMP_UNKNOWN_SEQ) { | |
1255 | com_err(ctx->program_name, retval, "%s", | |
1256 | _("while checking MMP block")); | |
1257 | dump_mmp_msg(fs->mmp_buf, | |
1258 | _("If you are sure the filesystem is not " | |
1259 | "in use on any node, run:\n" | |
1260 | "'tune2fs -f -E clear_mmp %s'\n"), | |
1261 | ctx->device_name); | |
1262 | } else if (retval == EXT2_ET_MMP_MAGIC_INVALID) { | |
1263 | if (fix_problem(ctx, PR_0_MMP_INVALID_MAGIC, &pctx)) { | |
1264 | ext2fs_mmp_clear(fs); | |
1265 | retval = 0; | |
1266 | } | |
1267 | } else if (retval == EXT2_ET_MMP_CSUM_INVALID) { | |
1268 | if (fix_problem(ctx, PR_0_MMP_CSUM_INVALID, &pctx)) { | |
1269 | ext2fs_mmp_clear(fs); | |
1270 | retval = 0; | |
1271 | } | |
1272 | } else | |
1273 | com_err(ctx->program_name, retval, "%s", | |
1274 | _("while reading MMP block")); | |
1275 | return retval; | |
1276 | } | |
1277 | ||
1278 | static int e2fsck_setup_tdb(e2fsck_t ctx, io_manager *io_ptr) | |
1279 | { | |
1280 | errcode_t retval = ENOMEM; | |
1281 | char *tdb_dir = NULL, *tdb_file = NULL; | |
1282 | char *dev_name, *tmp_name; | |
1283 | int free_tdb_dir = 0; | |
1284 | ||
1285 | /* (re)open a specific undo file */ | |
1286 | if (ctx->undo_file && ctx->undo_file[0] != 0) { | |
1287 | retval = set_undo_io_backing_manager(*io_ptr); | |
1288 | if (retval) | |
1289 | goto err; | |
1290 | *io_ptr = undo_io_manager; | |
1291 | retval = set_undo_io_backup_file(ctx->undo_file); | |
1292 | if (retval) | |
1293 | goto err; | |
1294 | printf(_("Overwriting existing filesystem; this can be undone " | |
1295 | "using the command:\n" | |
1296 | " e2undo %s %s\n\n"), | |
1297 | ctx->undo_file, ctx->filesystem_name); | |
1298 | return retval; | |
1299 | } | |
1300 | ||
1301 | /* | |
1302 | * Configuration via a conf file would be | |
1303 | * nice | |
1304 | */ | |
1305 | tdb_dir = getenv("E2FSPROGS_UNDO_DIR"); | |
1306 | if (!tdb_dir) { | |
1307 | profile_get_string(ctx->profile, "defaults", | |
1308 | "undo_dir", 0, "/var/lib/e2fsprogs", | |
1309 | &tdb_dir); | |
1310 | free_tdb_dir = 1; | |
1311 | } | |
1312 | ||
1313 | if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) || | |
1314 | access(tdb_dir, W_OK)) { | |
1315 | if (free_tdb_dir) | |
1316 | free(tdb_dir); | |
1317 | return 0; | |
1318 | } | |
1319 | ||
1320 | tmp_name = strdup(ctx->filesystem_name); | |
1321 | if (!tmp_name) | |
1322 | goto errout; | |
1323 | dev_name = basename(tmp_name); | |
1324 | tdb_file = malloc(strlen(tdb_dir) + 8 + strlen(dev_name) + 7 + 1); | |
1325 | if (!tdb_file) { | |
1326 | free(tmp_name); | |
1327 | goto errout; | |
1328 | } | |
1329 | sprintf(tdb_file, "%s/e2fsck-%s.e2undo", tdb_dir, dev_name); | |
1330 | free(tmp_name); | |
1331 | ||
1332 | if ((unlink(tdb_file) < 0) && (errno != ENOENT)) { | |
1333 | retval = errno; | |
1334 | com_err(ctx->program_name, retval, | |
1335 | _("while trying to delete %s"), tdb_file); | |
1336 | goto errout; | |
1337 | } | |
1338 | ||
1339 | retval = set_undo_io_backing_manager(*io_ptr); | |
1340 | if (retval) | |
1341 | goto errout; | |
1342 | *io_ptr = undo_io_manager; | |
1343 | retval = set_undo_io_backup_file(tdb_file); | |
1344 | if (retval) | |
1345 | goto errout; | |
1346 | printf(_("Overwriting existing filesystem; this can be undone " | |
1347 | "using the command:\n" | |
1348 | " e2undo %s %s\n\n"), tdb_file, ctx->filesystem_name); | |
1349 | ||
1350 | if (free_tdb_dir) | |
1351 | free(tdb_dir); | |
1352 | free(tdb_file); | |
1353 | return 0; | |
1354 | ||
1355 | errout: | |
1356 | if (free_tdb_dir) | |
1357 | free(tdb_dir); | |
1358 | free(tdb_file); | |
1359 | err: | |
1360 | com_err(ctx->program_name, retval, "%s", | |
1361 | _("while trying to setup undo file\n")); | |
1362 | return retval; | |
1363 | } | |
1364 | ||
1365 | int main (int argc, char *argv[]) | |
1366 | { | |
1367 | errcode_t retval = 0, retval2 = 0, orig_retval = 0; | |
1368 | int exit_value = FSCK_OK; | |
1369 | ext2_filsys fs = 0; | |
1370 | io_manager io_ptr; | |
1371 | struct ext2_super_block *sb; | |
1372 | const char *lib_ver_date; | |
1373 | int my_ver, lib_ver; | |
1374 | e2fsck_t ctx; | |
1375 | blk64_t orig_superblock = ~(blk64_t)0; | |
1376 | struct problem_context pctx; | |
1377 | int flags, run_result, was_changed; | |
1378 | int journal_size; | |
1379 | int sysval, sys_page_size = 4096; | |
1380 | int old_bitmaps; | |
1381 | __u32 features[3]; | |
1382 | char *cp; | |
1383 | enum quota_type qtype; | |
1384 | ||
1385 | clear_problem_context(&pctx); | |
1386 | sigcatcher_setup(); | |
1387 | #ifdef MTRACE | |
1388 | mtrace(); | |
1389 | #endif | |
1390 | #ifdef MCHECK | |
1391 | mcheck(0); | |
1392 | #endif | |
1393 | #ifdef ENABLE_NLS | |
1394 | setlocale(LC_MESSAGES, ""); | |
1395 | setlocale(LC_CTYPE, ""); | |
1396 | bindtextdomain(NLS_CAT_NAME, LOCALEDIR); | |
1397 | textdomain(NLS_CAT_NAME); | |
1398 | set_com_err_gettext(gettext); | |
1399 | #endif | |
1400 | my_ver = ext2fs_parse_version_string(my_ver_string); | |
1401 | lib_ver = ext2fs_get_library_version(0, &lib_ver_date); | |
1402 | if (my_ver > lib_ver) { | |
1403 | fprintf( stderr, "%s", | |
1404 | _("Error: ext2fs library version out of date!\n")); | |
1405 | show_version_only++; | |
1406 | } | |
1407 | ||
1408 | retval = PRS(argc, argv, &ctx); | |
1409 | if (retval) { | |
1410 | com_err("e2fsck", retval, "%s", | |
1411 | _("while trying to initialize program")); | |
1412 | exit(FSCK_ERROR); | |
1413 | } | |
1414 | reserve_stdio_fds(); | |
1415 | ||
1416 | set_up_logging(ctx); | |
1417 | if (ctx->logf) { | |
1418 | int i; | |
1419 | fputs("E2fsck run: ", ctx->logf); | |
1420 | for (i = 0; i < argc; i++) { | |
1421 | if (i) | |
1422 | fputc(' ', ctx->logf); | |
1423 | fputs(argv[i], ctx->logf); | |
1424 | } | |
1425 | fputc('\n', ctx->logf); | |
1426 | } | |
1427 | ||
1428 | init_resource_track(&ctx->global_rtrack, NULL); | |
1429 | if (!(ctx->options & E2F_OPT_PREEN) || show_version_only) | |
1430 | log_err(ctx, "e2fsck %s (%s)\n", my_ver_string, | |
1431 | my_ver_date); | |
1432 | ||
1433 | if (show_version_only) { | |
1434 | log_err(ctx, _("\tUsing %s, %s\n"), | |
1435 | error_message(EXT2_ET_BASE), lib_ver_date); | |
1436 | exit(FSCK_OK); | |
1437 | } | |
1438 | ||
1439 | check_mount(ctx); | |
1440 | ||
1441 | if (!(ctx->options & E2F_OPT_PREEN) && | |
1442 | !(ctx->options & E2F_OPT_NO) && | |
1443 | !(ctx->options & E2F_OPT_YES)) { | |
1444 | if (!ctx->interactive) | |
1445 | fatal_error(ctx, | |
1446 | _("need terminal for interactive repairs")); | |
1447 | } | |
1448 | ctx->superblock = ctx->use_superblock; | |
1449 | ||
1450 | flags = EXT2_FLAG_SKIP_MMP; | |
1451 | restart: | |
1452 | #ifdef CONFIG_TESTIO_DEBUG | |
1453 | if (getenv("TEST_IO_FLAGS") || getenv("TEST_IO_BLOCK")) { | |
1454 | io_ptr = test_io_manager; | |
1455 | test_io_backing_manager = unix_io_manager; | |
1456 | } else | |
1457 | #endif | |
1458 | io_ptr = unix_io_manager; | |
1459 | flags |= EXT2_FLAG_NOFREE_ON_ERROR; | |
1460 | profile_get_boolean(ctx->profile, "options", "old_bitmaps", 0, 0, | |
1461 | &old_bitmaps); | |
1462 | if (!old_bitmaps) | |
1463 | flags |= EXT2_FLAG_64BITS; | |
1464 | if ((ctx->options & E2F_OPT_READONLY) == 0) { | |
1465 | flags |= EXT2_FLAG_RW; | |
1466 | if (!(ctx->mount_flags & EXT2_MF_ISROOT && | |
1467 | ctx->mount_flags & EXT2_MF_READONLY)) | |
1468 | flags |= EXT2_FLAG_EXCLUSIVE; | |
1469 | if ((ctx->mount_flags & EXT2_MF_READONLY) && | |
1470 | (ctx->options & E2F_OPT_FORCE)) | |
1471 | flags &= ~EXT2_FLAG_EXCLUSIVE; | |
1472 | } | |
1473 | ||
1474 | if (ctx->undo_file) { | |
1475 | retval = e2fsck_setup_tdb(ctx, &io_ptr); | |
1476 | if (retval) | |
1477 | exit(FSCK_ERROR); | |
1478 | } | |
1479 | ||
1480 | ctx->openfs_flags = flags; | |
1481 | retval = try_open_fs(ctx, flags, io_ptr, &fs); | |
1482 | ||
1483 | if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) && | |
1484 | !(ctx->flags & E2F_FLAG_SB_SPECIFIED) && | |
1485 | ((retval == EXT2_ET_BAD_MAGIC) || | |
1486 | (retval == EXT2_ET_SB_CSUM_INVALID) || | |
1487 | (retval == EXT2_ET_CORRUPT_SUPERBLOCK) || | |
1488 | ((retval == 0) && (retval2 = ext2fs_check_desc(fs))))) { | |
1489 | if (retval) { | |
1490 | pctx.errcode = retval; | |
1491 | fix_problem(ctx, PR_0_OPEN_FAILED, &pctx); | |
1492 | } | |
1493 | if (retval2) { | |
1494 | pctx.errcode = retval2; | |
1495 | fix_problem(ctx, PR_0_CHECK_DESC_FAILED, &pctx); | |
1496 | } | |
1497 | pctx.errcode = 0; | |
1498 | if (retval2 == ENOMEM || retval2 == EXT2_ET_NO_MEMORY) { | |
1499 | retval = retval2; | |
1500 | goto failure; | |
1501 | } | |
1502 | if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) { | |
1503 | ext2fs_free(fs); | |
1504 | fs = NULL; | |
1505 | } | |
1506 | if (!fs || (fs->group_desc_count > 1)) { | |
1507 | log_out(ctx, _("%s: %s trying backup blocks...\n"), | |
1508 | ctx->program_name, | |
1509 | retval ? _("Superblock invalid,") : | |
1510 | _("Group descriptors look bad...")); | |
1511 | orig_superblock = ctx->superblock; | |
1512 | get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr); | |
1513 | if (fs) | |
1514 | ext2fs_close_free(&fs); | |
1515 | orig_retval = retval; | |
1516 | retval = try_open_fs(ctx, flags, io_ptr, &fs); | |
1517 | if ((orig_retval == 0) && retval != 0) { | |
1518 | if (fs) | |
1519 | ext2fs_close_free(&fs); | |
1520 | log_out(ctx, _("%s: %s while using the " | |
1521 | "backup blocks"), | |
1522 | ctx->program_name, | |
1523 | error_message(retval)); | |
1524 | log_out(ctx, _("%s: going back to original " | |
1525 | "superblock\n"), | |
1526 | ctx->program_name); | |
1527 | ctx->superblock = orig_superblock; | |
1528 | retval = try_open_fs(ctx, flags, io_ptr, &fs); | |
1529 | } | |
1530 | } | |
1531 | } | |
1532 | if (((retval == EXT2_ET_UNSUPP_FEATURE) || | |
1533 | (retval == EXT2_ET_RO_UNSUPP_FEATURE)) && | |
1534 | fs && fs->super) { | |
1535 | sb = fs->super; | |
1536 | features[0] = (sb->s_feature_compat & | |
1537 | ~EXT2_LIB_FEATURE_COMPAT_SUPP); | |
1538 | features[1] = (sb->s_feature_incompat & | |
1539 | ~EXT2_LIB_FEATURE_INCOMPAT_SUPP); | |
1540 | features[2] = (sb->s_feature_ro_compat & | |
1541 | ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); | |
1542 | if (features[0] || features[1] || features[2]) | |
1543 | goto print_unsupp_features; | |
1544 | } | |
1545 | failure: | |
1546 | if (retval) { | |
1547 | if (orig_retval) | |
1548 | retval = orig_retval; | |
1549 | com_err(ctx->program_name, retval, _("while trying to open %s"), | |
1550 | ctx->filesystem_name); | |
1551 | if (retval == EXT2_ET_REV_TOO_HIGH) { | |
1552 | log_out(ctx, "%s", | |
1553 | _("The filesystem revision is apparently " | |
1554 | "too high for this version of e2fsck.\n" | |
1555 | "(Or the filesystem superblock " | |
1556 | "is corrupt)\n\n")); | |
1557 | fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); | |
1558 | } else if (retval == EXT2_ET_SHORT_READ) | |
1559 | log_out(ctx, "%s", | |
1560 | _("Could this be a zero-length partition?\n")); | |
1561 | else if ((retval == EPERM) || (retval == EACCES)) | |
1562 | log_out(ctx, _("You must have %s access to the " | |
1563 | "filesystem or be root\n"), | |
1564 | (ctx->options & E2F_OPT_READONLY) ? | |
1565 | "r/o" : "r/w"); | |
1566 | else if (retval == ENXIO) | |
1567 | log_out(ctx, "%s", | |
1568 | _("Possibly non-existent or swap device?\n")); | |
1569 | else if (retval == EBUSY) | |
1570 | log_out(ctx, "%s", _("Filesystem mounted or opened " | |
1571 | "exclusively by another program?\n")); | |
1572 | else if (retval == ENOENT) | |
1573 | log_out(ctx, "%s", | |
1574 | _("Possibly non-existent device?\n")); | |
1575 | #ifdef EROFS | |
1576 | else if (retval == EROFS) | |
1577 | log_out(ctx, "%s", _("Disk write-protected; use the " | |
1578 | "-n option to do a read-only\n" | |
1579 | "check of the device.\n")); | |
1580 | #endif | |
1581 | else { | |
1582 | /* | |
1583 | * Let's try once more will less consistency checking | |
1584 | * so that we are able to recover from more errors | |
1585 | * (e.g. some tool messing up some value in the sb). | |
1586 | */ | |
1587 | if ((retval == EXT2_ET_CORRUPT_SUPERBLOCK) && | |
1588 | !(flags & EXT2_FLAG_IGNORE_SB_ERRORS)) { | |
1589 | if (fs) | |
1590 | ext2fs_close_free(&fs); | |
1591 | log_out(ctx, _("%s: Trying to load superblock " | |
1592 | "despite errors...\n"), | |
1593 | ctx->program_name); | |
1594 | flags |= EXT2_FLAG_IGNORE_SB_ERRORS; | |
1595 | /* | |
1596 | * If we tried backup sb, revert to the | |
1597 | * original one now. | |
1598 | */ | |
1599 | if (orig_superblock != ~(blk64_t)0) | |
1600 | ctx->superblock = orig_superblock; | |
1601 | goto restart; | |
1602 | } | |
1603 | fix_problem(ctx, PR_0_SB_CORRUPT, &pctx); | |
1604 | if (retval == EXT2_ET_BAD_MAGIC) | |
1605 | check_plausibility(ctx->filesystem_name, | |
1606 | CHECK_FS_EXIST, NULL); | |
1607 | } | |
1608 | fatal_error(ctx, 0); | |
1609 | } | |
1610 | /* | |
1611 | * We only update the master superblock because (a) paranoia; | |
1612 | * we don't want to corrupt the backup superblocks, and (b) we | |
1613 | * don't need to update the mount count and last checked | |
1614 | * fields in the backup superblock (the kernel doesn't update | |
1615 | * the backup superblocks anyway). With newer versions of the | |
1616 | * library this flag is set by ext2fs_open2(), but we set this | |
1617 | * here just to be sure. (No, we don't support e2fsck running | |
1618 | * with some other libext2fs than the one that it was shipped | |
1619 | * with, but just in case....) | |
1620 | */ | |
1621 | fs->flags |= EXT2_FLAG_MASTER_SB_ONLY; | |
1622 | ||
1623 | if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) { | |
1624 | __u32 blocksize = EXT2_BLOCK_SIZE(fs->super); | |
1625 | int need_restart = 0; | |
1626 | ||
1627 | pctx.errcode = ext2fs_get_device_size2(ctx->filesystem_name, | |
1628 | blocksize, | |
1629 | &ctx->num_blocks); | |
1630 | /* | |
1631 | * The floppy driver refuses to allow anyone else to | |
1632 | * open the device if has been opened with O_EXCL; | |
1633 | * this is unlike other block device drivers in Linux. | |
1634 | * To handle this, we close the filesystem and then | |
1635 | * reopen the filesystem after we get the device size. | |
1636 | */ | |
1637 | if (pctx.errcode == EBUSY) { | |
1638 | ext2fs_close_free(&fs); | |
1639 | need_restart++; | |
1640 | pctx.errcode = | |
1641 | ext2fs_get_device_size2(ctx->filesystem_name, | |
1642 | blocksize, | |
1643 | &ctx->num_blocks); | |
1644 | } | |
1645 | if (pctx.errcode == EXT2_ET_UNIMPLEMENTED) | |
1646 | ctx->num_blocks = 0; | |
1647 | else if (pctx.errcode) { | |
1648 | fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx); | |
1649 | ctx->flags |= E2F_FLAG_ABORT; | |
1650 | fatal_error(ctx, 0); | |
1651 | } | |
1652 | ctx->flags |= E2F_FLAG_GOT_DEVSIZE; | |
1653 | if (need_restart) | |
1654 | goto restart; | |
1655 | } | |
1656 | ||
1657 | ctx->fs = fs; | |
1658 | fs->now = ctx->now; | |
1659 | sb = fs->super; | |
1660 | ||
1661 | if (sb->s_rev_level > E2FSCK_CURRENT_REV) { | |
1662 | com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH, | |
1663 | _("while trying to open %s"), | |
1664 | ctx->filesystem_name); | |
1665 | get_newer: | |
1666 | fatal_error(ctx, _("Get a newer version of e2fsck!")); | |
1667 | } | |
1668 | ||
1669 | /* | |
1670 | * Set the device name, which is used whenever we print error | |
1671 | * or informational messages to the user. | |
1672 | */ | |
1673 | if (ctx->device_name == 0 && | |
1674 | (sb->s_volume_name[0] != 0)) { | |
1675 | ctx->device_name = string_copy(ctx, sb->s_volume_name, | |
1676 | sizeof(sb->s_volume_name)); | |
1677 | } | |
1678 | if (ctx->device_name == 0) | |
1679 | ctx->device_name = string_copy(ctx, ctx->filesystem_name, 0); | |
1680 | for (cp = ctx->device_name; *cp; cp++) | |
1681 | if (isspace(*cp) || *cp == ':') | |
1682 | *cp = '_'; | |
1683 | ||
1684 | ehandler_init(fs->io); | |
1685 | ||
1686 | if (ext2fs_has_feature_mmp(fs->super) && | |
1687 | (flags & EXT2_FLAG_SKIP_MMP)) { | |
1688 | if (e2fsck_check_mmp(fs, ctx)) | |
1689 | fatal_error(ctx, 0); | |
1690 | ||
1691 | /* | |
1692 | * Restart in order to reopen fs but this time start mmp. | |
1693 | */ | |
1694 | ext2fs_close_free(&ctx->fs); | |
1695 | flags &= ~EXT2_FLAG_SKIP_MMP; | |
1696 | goto restart; | |
1697 | } | |
1698 | ||
1699 | if (ctx->logf) | |
1700 | fprintf(ctx->logf, "Filesystem UUID: %s\n", | |
1701 | e2p_uuid2str(sb->s_uuid)); | |
1702 | ||
1703 | /* | |
1704 | * Make sure the ext3 superblock fields are consistent. | |
1705 | */ | |
1706 | if ((ctx->mount_flags & (EXT2_MF_MOUNTED | EXT2_MF_BUSY)) == 0) { | |
1707 | retval = e2fsck_check_ext3_journal(ctx); | |
1708 | if (retval) { | |
1709 | com_err(ctx->program_name, retval, | |
1710 | _("while checking journal for %s"), | |
1711 | ctx->device_name); | |
1712 | fatal_error(ctx, | |
1713 | _("Cannot proceed with file system check")); | |
1714 | } | |
1715 | } | |
1716 | ||
1717 | /* | |
1718 | * Check to see if we need to do ext3-style recovery. If so, | |
1719 | * do it, and then restart the fsck. | |
1720 | */ | |
1721 | if (ext2fs_has_feature_journal_needs_recovery(sb)) { | |
1722 | if (ctx->options & E2F_OPT_READONLY) { | |
1723 | log_out(ctx, "%s", | |
1724 | _("Warning: skipping journal recovery because " | |
1725 | "doing a read-only filesystem check.\n")); | |
1726 | io_channel_flush(ctx->fs->io); | |
1727 | } else { | |
1728 | if (ctx->flags & E2F_FLAG_RESTARTED) { | |
1729 | /* | |
1730 | * Whoops, we attempted to run the | |
1731 | * journal twice. This should never | |
1732 | * happen, unless the hardware or | |
1733 | * device driver is being bogus. | |
1734 | */ | |
1735 | com_err(ctx->program_name, 0, | |
1736 | _("unable to set superblock flags " | |
1737 | "on %s\n"), ctx->device_name); | |
1738 | fatal_error(ctx, 0); | |
1739 | } | |
1740 | retval = e2fsck_run_ext3_journal(ctx); | |
1741 | if (retval == EFSBADCRC) { | |
1742 | log_out(ctx, _("Journal checksum error " | |
1743 | "found in %s\n"), | |
1744 | ctx->device_name); | |
1745 | } else if (retval == EFSCORRUPTED) { | |
1746 | log_out(ctx, _("Journal corrupted in %s\n"), | |
1747 | ctx->device_name); | |
1748 | } else if (retval) { | |
1749 | com_err(ctx->program_name, retval, | |
1750 | _("while recovering journal of %s"), | |
1751 | ctx->device_name); | |
1752 | } | |
1753 | ext2fs_close_free(&ctx->fs); | |
1754 | ctx->flags |= E2F_FLAG_RESTARTED; | |
1755 | goto restart; | |
1756 | } | |
1757 | } | |
1758 | ||
1759 | /* | |
1760 | * Check for compatibility with the feature sets. We need to | |
1761 | * be more stringent than ext2fs_open(). | |
1762 | */ | |
1763 | features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP; | |
1764 | features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP; | |
1765 | features[2] = (sb->s_feature_ro_compat & | |
1766 | ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP); | |
1767 | print_unsupp_features: | |
1768 | if (features[0] || features[1] || features[2]) { | |
1769 | int i, j; | |
1770 | __u32 *mask = features, m; | |
1771 | ||
1772 | log_err(ctx, _("%s has unsupported feature(s):"), | |
1773 | ctx->filesystem_name); | |
1774 | ||
1775 | for (i=0; i <3; i++,mask++) { | |
1776 | for (j=0,m=1; j < 32; j++, m<<=1) { | |
1777 | if (*mask & m) | |
1778 | log_err(ctx, " %s", | |
1779 | e2p_feature2string(i, m)); | |
1780 | } | |
1781 | } | |
1782 | log_err(ctx, "\n"); | |
1783 | goto get_newer; | |
1784 | } | |
1785 | ||
1786 | /* | |
1787 | * If the user specified a specific superblock, presumably the | |
1788 | * master superblock has been trashed. So we mark the | |
1789 | * superblock as dirty, so it can be written out. | |
1790 | */ | |
1791 | if (ctx->superblock && | |
1792 | !(ctx->options & E2F_OPT_READONLY)) | |
1793 | ext2fs_mark_super_dirty(fs); | |
1794 | ||
1795 | /* | |
1796 | * Calculate the number of filesystem blocks per pagesize. If | |
1797 | * fs->blocksize > page_size, set the number of blocks per | |
1798 | * pagesize to 1 to avoid division by zero errors. | |
1799 | */ | |
1800 | #ifdef _SC_PAGESIZE | |
1801 | sysval = sysconf(_SC_PAGESIZE); | |
1802 | if (sysval > 0) | |
1803 | sys_page_size = sysval; | |
1804 | #endif /* _SC_PAGESIZE */ | |
1805 | ctx->blocks_per_page = sys_page_size / fs->blocksize; | |
1806 | if (ctx->blocks_per_page == 0) | |
1807 | ctx->blocks_per_page = 1; | |
1808 | ||
1809 | if (ctx->superblock) | |
1810 | set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0); | |
1811 | ext2fs_mark_valid(fs); | |
1812 | check_super_block(ctx); | |
1813 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) | |
1814 | fatal_error(ctx, 0); | |
1815 | check_if_skip(ctx); | |
1816 | check_resize_inode(ctx); | |
1817 | if (bad_blocks_file) | |
1818 | read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks); | |
1819 | else if (cflag) | |
1820 | read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */ | |
1821 | if (ctx->flags & E2F_FLAG_SIGNAL_MASK) | |
1822 | fatal_error(ctx, 0); | |
1823 | ||
1824 | /* | |
1825 | * Mark the system as valid, 'til proven otherwise | |
1826 | */ | |
1827 | ext2fs_mark_valid(fs); | |
1828 | ||
1829 | retval = ext2fs_read_bb_inode(fs, &fs->badblocks); | |
1830 | if (retval) { | |
1831 | log_out(ctx, _("%s: %s while reading bad blocks inode\n"), | |
1832 | ctx->program_name, error_message(retval)); | |
1833 | preenhalt(ctx); | |
1834 | log_out(ctx, "%s", _("This doesn't bode well, " | |
1835 | "but we'll try to go on...\n")); | |
1836 | } | |
1837 | ||
1838 | /* | |
1839 | * Save the journal size in megabytes. | |
1840 | * Try and use the journal size from the backup else let e2fsck | |
1841 | * find the default journal size. | |
1842 | */ | |
1843 | if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS) | |
1844 | journal_size = (sb->s_jnl_blocks[15] << (32 - 20)) | | |
1845 | (sb->s_jnl_blocks[16] >> 20); | |
1846 | else | |
1847 | journal_size = -1; | |
1848 | ||
1849 | if (ext2fs_has_feature_quota(sb)) { | |
1850 | /* Quotas were enabled. Do quota accounting during fsck. */ | |
1851 | clear_problem_context(&pctx); | |
1852 | pctx.errcode = quota_init_context(&ctx->qctx, ctx->fs, 0); | |
1853 | if (pctx.errcode) { | |
1854 | fix_problem(ctx, PR_0_QUOTA_INIT_CTX, &pctx); | |
1855 | fatal_error(ctx, 0); | |
1856 | } | |
1857 | } | |
1858 | ||
1859 | run_result = e2fsck_run(ctx); | |
1860 | e2fsck_clear_progbar(ctx); | |
1861 | ||
1862 | if (!ctx->invalid_bitmaps && | |
1863 | (ctx->flags & E2F_FLAG_JOURNAL_INODE)) { | |
1864 | if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) { | |
1865 | if (journal_size < 1024) | |
1866 | journal_size = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super)); | |
1867 | if (journal_size < 0) { | |
1868 | ext2fs_clear_feature_journal(fs->super); | |
1869 | fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; | |
1870 | log_out(ctx, "%s: Couldn't determine " | |
1871 | "journal size\n", ctx->program_name); | |
1872 | goto no_journal; | |
1873 | } | |
1874 | log_out(ctx, _("Creating journal (%d blocks): "), | |
1875 | journal_size); | |
1876 | fflush(stdout); | |
1877 | retval = ext2fs_add_journal_inode(fs, | |
1878 | journal_size, 0); | |
1879 | if (retval) { | |
1880 | log_out(ctx, "%s: while trying to create " | |
1881 | "journal\n", error_message(retval)); | |
1882 | goto no_journal; | |
1883 | } | |
1884 | log_out(ctx, "%s", _(" Done.\n")); | |
1885 | log_out(ctx, "%s", | |
1886 | _("\n*** journal has been regenerated ***\n")); | |
1887 | } | |
1888 | } | |
1889 | no_journal: | |
1890 | ||
1891 | if (run_result & E2F_FLAG_ABORT) { | |
1892 | fatal_error(ctx, _("aborted")); | |
1893 | } else if (run_result & E2F_FLAG_CANCEL) { | |
1894 | log_out(ctx, _("%s: e2fsck canceled.\n"), ctx->device_name ? | |
1895 | ctx->device_name : ctx->filesystem_name); | |
1896 | exit_value |= FSCK_CANCELED; | |
1897 | } else if (ctx->qctx && !ctx->invalid_bitmaps) { | |
1898 | int needs_writeout; | |
1899 | ||
1900 | for (qtype = 0; qtype < MAXQUOTAS; qtype++) { | |
1901 | if (*quota_sb_inump(sb, qtype) == 0) | |
1902 | continue; | |
1903 | needs_writeout = 0; | |
1904 | pctx.num = qtype; | |
1905 | retval = quota_compare_and_update(ctx->qctx, qtype, | |
1906 | &needs_writeout); | |
1907 | if ((retval || needs_writeout) && | |
1908 | fix_problem(ctx, PR_6_UPDATE_QUOTAS, &pctx)) { | |
1909 | pctx.errcode = quota_write_inode(ctx->qctx, | |
1910 | 1 << qtype); | |
1911 | if (pctx.errcode) | |
1912 | (void) fix_problem(ctx, | |
1913 | PR_6_WRITE_QUOTAS, &pctx); | |
1914 | } | |
1915 | } | |
1916 | quota_release_context(&ctx->qctx); | |
1917 | } | |
1918 | ||
1919 | if (run_result == E2F_FLAG_RESTART) { | |
1920 | log_out(ctx, "%s", | |
1921 | _("Restarting e2fsck from the beginning...\n")); | |
1922 | retval = e2fsck_reset_context(ctx); | |
1923 | if (retval) { | |
1924 | com_err(ctx->program_name, retval, "%s", | |
1925 | _("while resetting context")); | |
1926 | fatal_error(ctx, 0); | |
1927 | } | |
1928 | ext2fs_close_free(&ctx->fs); | |
1929 | goto restart; | |
1930 | } | |
1931 | ||
1932 | #ifdef MTRACE | |
1933 | mtrace_print("Cleanup"); | |
1934 | #endif | |
1935 | was_changed = ext2fs_test_changed(fs); | |
1936 | if (!(ctx->flags & E2F_FLAG_RUN_RETURN) && | |
1937 | !(ctx->options & E2F_OPT_READONLY)) { | |
1938 | if (ext2fs_test_valid(fs)) { | |
1939 | if (!(sb->s_state & EXT2_VALID_FS)) | |
1940 | exit_value |= FSCK_NONDESTRUCT; | |
1941 | sb->s_state = EXT2_VALID_FS; | |
1942 | if (check_backup_super_block(ctx)) | |
1943 | fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; | |
1944 | } else | |
1945 | sb->s_state &= ~EXT2_VALID_FS; | |
1946 | if (!(ctx->flags & E2F_FLAG_TIME_INSANE)) | |
1947 | sb->s_lastcheck = ctx->now; | |
1948 | sb->s_mnt_count = 0; | |
1949 | memset(((char *) sb) + EXT4_S_ERR_START, 0, EXT4_S_ERR_LEN); | |
1950 | pctx.errcode = ext2fs_set_gdt_csum(ctx->fs); | |
1951 | if (pctx.errcode) | |
1952 | fix_problem(ctx, PR_6_SET_BG_CHECKSUM, &pctx); | |
1953 | ext2fs_mark_super_dirty(fs); | |
1954 | } | |
1955 | ||
1956 | if (ext2fs_has_feature_shared_blocks(ctx->fs->super) && | |
1957 | (ctx->options & E2F_OPT_UNSHARE_BLOCKS) && | |
1958 | (ctx->options & E2F_OPT_NO)) | |
1959 | /* Don't try to write or flush I/O, we just wanted to know whether or | |
1960 | * not there were enough free blocks to undo deduplication. | |
1961 | */ | |
1962 | goto skip_write; | |
1963 | ||
1964 | if (!(ctx->options & E2F_OPT_READONLY)) { | |
1965 | e2fsck_write_bitmaps(ctx); | |
1966 | if (fs->flags & EXT2_FLAG_DIRTY) { | |
1967 | pctx.errcode = ext2fs_flush(ctx->fs); | |
1968 | if (pctx.errcode) | |
1969 | fix_problem(ctx, PR_6_FLUSH_FILESYSTEM, &pctx); | |
1970 | } | |
1971 | pctx.errcode = io_channel_flush(ctx->fs->io); | |
1972 | if (pctx.errcode) | |
1973 | fix_problem(ctx, PR_6_IO_FLUSH, &pctx); | |
1974 | } | |
1975 | ||
1976 | if (was_changed) { | |
1977 | int fs_fixed = (ctx->flags & E2F_FLAG_PROBLEMS_FIXED); | |
1978 | ||
1979 | if (fs_fixed) | |
1980 | exit_value |= FSCK_NONDESTRUCT; | |
1981 | if (!(ctx->options & E2F_OPT_PREEN)) { | |
1982 | #if 0 /* Do this later; it breaks too many tests' golden outputs */ | |
1983 | log_out(ctx, fs_fixed ? | |
1984 | _("\n%s: ***** FILE SYSTEM ERRORS " | |
1985 | "CORRECTED *****\n") : | |
1986 | _("%s: File system was modified.\n"), | |
1987 | ctx->device_name); | |
1988 | #else | |
1989 | log_out(ctx, | |
1990 | _("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"), | |
1991 | ctx->device_name); | |
1992 | #endif | |
1993 | } | |
1994 | if (ctx->mount_flags & EXT2_MF_ISROOT) { | |
1995 | log_out(ctx, _("%s: ***** REBOOT SYSTEM *****\n"), | |
1996 | ctx->device_name); | |
1997 | exit_value |= FSCK_REBOOT; | |
1998 | } | |
1999 | } | |
2000 | ||
2001 | skip_write: | |
2002 | if (!ext2fs_test_valid(fs) || | |
2003 | ((exit_value & FSCK_CANCELED) && | |
2004 | (sb->s_state & EXT2_ERROR_FS))) { | |
2005 | log_out(ctx, _("\n%s: ********** WARNING: Filesystem still has " | |
2006 | "errors **********\n\n"), ctx->device_name); | |
2007 | exit_value |= FSCK_UNCORRECTED; | |
2008 | exit_value &= ~FSCK_NONDESTRUCT; | |
2009 | } | |
2010 | if (exit_value & FSCK_CANCELED) { | |
2011 | int allow_cancellation; | |
2012 | ||
2013 | profile_get_boolean(ctx->profile, "options", | |
2014 | "allow_cancellation", 0, 0, | |
2015 | &allow_cancellation); | |
2016 | exit_value &= ~FSCK_NONDESTRUCT; | |
2017 | if (allow_cancellation && ext2fs_test_valid(fs) && | |
2018 | (sb->s_state & EXT2_VALID_FS) && | |
2019 | !(sb->s_state & EXT2_ERROR_FS)) | |
2020 | exit_value = 0; | |
2021 | } else | |
2022 | show_stats(ctx); | |
2023 | ||
2024 | print_resource_track(ctx, NULL, &ctx->global_rtrack, ctx->fs->io); | |
2025 | ||
2026 | ext2fs_close_free(&ctx->fs); | |
2027 | free(ctx->journal_name); | |
2028 | ||
2029 | if (ctx->logf) | |
2030 | fprintf(ctx->logf, "Exit status: %d\n", exit_value); | |
2031 | e2fsck_free_context(ctx); | |
2032 | remove_error_table(&et_ext2_error_table); | |
2033 | remove_error_table(&et_prof_error_table); | |
2034 | return exit_value; | |
2035 | } |