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>
19 #include <time.h>
20 #ifdef HAVE_SIGNAL_H
21 #include <signal.h>
22 #endif
23 #ifdef HAVE_GETOPT_H
24 #include <getopt.h>
25 #else
26 extern char *optarg;
27 extern int optind;
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
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
49 #include "et/com_err.h"
50 #include "e2fsck.h"
51 #include "problem.h"
52 #include "../version.h"
53
54 /* Command line options */
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;
60
61 static int replace_bad_blocks;
62 static int keep_bad_blocks;
63 static char *bad_blocks_file;
64
65 e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
66
67 #ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jfs-debug */
68 int journal_enable_debug = -1;
69 #endif
70
71 #ifndef ROOT_SYSCONFDIR
72 #define ROOT_SYSCONFDIR "/etc/"
73 #endif
74
usage(e2fsck_t ctx)75 static void usage(e2fsck_t ctx)
76 {
77 fprintf(stderr,
78 _("Usage: %s [-panyrcdfvstDFSV] [-b superblock] [-B blocksize]\n"
79 "\t\t[-I inode_buffer_blocks] [-P process_inode_size]\n"
80 "\t\t[-l|-L bad_blocks_file] [-C fd] [-j external_journal]\n"
81 "\t\t[-E extended-options] device\n"),
82 ctx->program_name);
83
84 fprintf(stderr, _("\nEmergency help:\n"
85 " -p Automatic repair (no questions)\n"
86 " -n Make no changes to the filesystem\n"
87 " -y Assume \"yes\" to all questions\n"
88 " -c Check for bad blocks and add them to the badblock list\n"
89 " -f Force checking even if filesystem is marked clean\n"));
90 fprintf(stderr, _(""
91 " -v Be verbose\n"
92 " -b superblock Use alternative superblock\n"
93 " -B blocksize Force blocksize when looking for superblock\n"
94 " -j external_journal Set location of the external journal\n"
95 " -l bad_blocks_file Add to badblocks list\n"
96 " -L bad_blocks_file Set badblocks list\n"
97 ));
98
99 exit(FSCK_USAGE);
100 }
101
show_stats(e2fsck_t ctx)102 static void show_stats(e2fsck_t ctx)
103 {
104 ext2_filsys fs = ctx->fs;
105 ext2_ino_t inodes, inodes_used;
106 blk_t blocks, blocks_used;
107 int dir_links;
108 int num_files, num_links;
109 int frag_percent;
110
111 dir_links = 2 * ctx->fs_directory_count - 1;
112 num_files = ctx->fs_total_count - dir_links;
113 num_links = ctx->fs_links_count - dir_links;
114 inodes = fs->super->s_inodes_count;
115 inodes_used = (fs->super->s_inodes_count -
116 fs->super->s_free_inodes_count);
117 blocks = fs->super->s_blocks_count;
118 blocks_used = (fs->super->s_blocks_count -
119 fs->super->s_free_blocks_count);
120
121 frag_percent = (10000 * ctx->fs_fragmented) / inodes_used;
122 frag_percent = (frag_percent + 5) / 10;
123
124 if (!verbose) {
125 printf(_("%s: %u/%u files (%0d.%d%% non-contiguous), %u/%u blocks\n"),
126 ctx->device_name, inodes_used, inodes,
127 frag_percent / 10, frag_percent % 10,
128 blocks_used, blocks);
129 return;
130 }
131 printf (P_("\n%8u inode used (%2.2f%%)\n", "\n%8u inodes used (%2.2f%%)\n",
132 inodes_used), inodes_used, 100.0 * inodes_used / inodes);
133 printf (P_("%8u non-contiguous inode (%0d.%d%%)\n",
134 "%8u non-contiguous inodes (%0d.%d%%)\n",
135 ctx->fs_fragmented),
136 ctx->fs_fragmented, frag_percent / 10, frag_percent % 10);
137 printf (_(" # of inodes with ind/dind/tind blocks: %u/%u/%u\n"),
138 ctx->fs_ind_count, ctx->fs_dind_count, ctx->fs_tind_count);
139 printf (P_("%8u block used (%2.2f%%)\n", "%8u blocks used (%2.2f%%)\n",
140 blocks_used), blocks_used, 100.0 * blocks_used / blocks);
141 printf (P_("%8u bad block\n", "%8u bad blocks\n",
142 ctx->fs_badblocks_count), ctx->fs_badblocks_count);
143 printf (P_("%8u large file\n", "%8u large files\n",
144 ctx->large_files), ctx->large_files);
145 printf (P_("\n%8u regular file\n", "\n%8u regular files\n",
146 ctx->fs_regular_count), ctx->fs_regular_count);
147 printf (P_("%8u directory\n", "%8u directories\n",
148 ctx->fs_directory_count), ctx->fs_directory_count);
149 printf (P_("%8u character device file\n",
150 "%8u character device files\n", ctx->fs_chardev_count),
151 ctx->fs_chardev_count);
152 printf (P_("%8u block device file\n", "%8u block device files\n",
153 ctx->fs_blockdev_count), ctx->fs_blockdev_count);
154 printf (P_("%8u fifo\n", "%8u fifos\n", ctx->fs_fifo_count),
155 ctx->fs_fifo_count);
156 printf (P_("%8u link\n", "%8u links\n",
157 ctx->fs_links_count - dir_links),
158 ctx->fs_links_count - dir_links);
159 printf (P_("%8u symbolic link", "%8u symbolic links",
160 ctx->fs_symlinks_count), ctx->fs_symlinks_count);
161 printf (P_(" (%u fast symbolic link)\n", " (%u fast symbolic links)\n",
162 ctx->fs_fast_symlinks_count), ctx->fs_fast_symlinks_count);
163 printf (P_("%8u socket\n", "%8u sockets\n", ctx->fs_sockets_count),
164 ctx->fs_sockets_count);
165 printf ("--------\n");
166 printf (P_("%8u file\n", "%8u files\n",
167 ctx->fs_total_count - dir_links),
168 ctx->fs_total_count - dir_links);
169 }
170
check_mount(e2fsck_t ctx)171 static void check_mount(e2fsck_t ctx)
172 {
173 errcode_t retval;
174 int cont;
175
176 retval = ext2fs_check_if_mounted(ctx->filesystem_name,
177 &ctx->mount_flags);
178 if (retval) {
179 com_err("ext2fs_check_if_mount", retval,
180 _("while determining whether %s is mounted."),
181 ctx->filesystem_name);
182 return;
183 }
184
185 /*
186 * If the filesystem isn't mounted, or it's the root
187 * filesystem and it's mounted read-only, and we're not doing
188 * a read/write check, then everything's fine.
189 */
190 if ((!(ctx->mount_flags & EXT2_MF_MOUNTED)) ||
191 ((ctx->mount_flags & EXT2_MF_ISROOT) &&
192 (ctx->mount_flags & EXT2_MF_READONLY) &&
193 !(ctx->options & E2F_OPT_WRITECHECK)))
194 return;
195
196 if ((ctx->options & E2F_OPT_READONLY) &&
197 !(ctx->options & E2F_OPT_WRITECHECK)) {
198 printf(_("Warning! %s is mounted.\n"), ctx->filesystem_name);
199 return;
200 }
201
202 printf(_("%s is mounted. "), ctx->filesystem_name);
203 if (!ctx->interactive)
204 fatal_error(ctx, _("Cannot continue, aborting.\n\n"));
205 printf(_("\n\n\007\007\007\007WARNING!!! "
206 "Running e2fsck on a mounted filesystem may cause\n"
207 "SEVERE filesystem damage.\007\007\007\n\n"));
208 cont = ask_yn(_("Do you really want to continue"), -1);
209 if (!cont) {
210 printf (_("check aborted.\n"));
211 exit (0);
212 }
213 return;
214 }
215
is_on_batt(void)216 static int is_on_batt(void)
217 {
218 FILE *f;
219 DIR *d;
220 char tmp[80], tmp2[80], fname[80];
221 unsigned int acflag;
222 struct dirent* de;
223
224 f = fopen("/proc/apm", "r");
225 if (f) {
226 if (fscanf(f, "%s %s %s %x", tmp, tmp, tmp, &acflag) != 4)
227 acflag = 1;
228 fclose(f);
229 return (acflag != 1);
230 }
231 d = opendir("/proc/acpi/ac_adapter");
232 if (d) {
233 while ((de=readdir(d)) != NULL) {
234 if (!strncmp(".", de->d_name, 1))
235 continue;
236 snprintf(fname, 80, "/proc/acpi/ac_adapter/%s/state",
237 de->d_name);
238 f = fopen(fname, "r");
239 if (!f)
240 continue;
241 if (fscanf(f, "%s %s", tmp2, tmp) != 2)
242 tmp[0] = 0;
243 fclose(f);
244 if (strncmp(tmp, "off-line", 8) == 0) {
245 closedir(d);
246 return 1;
247 }
248 }
249 closedir(d);
250 }
251 return 0;
252 }
253
254 /*
255 * This routine checks to see if a filesystem can be skipped; if so,
256 * it will exit with E2FSCK_OK. Under some conditions it will print a
257 * message explaining why a check is being forced.
258 */
check_if_skip(e2fsck_t ctx)259 static void check_if_skip(e2fsck_t ctx)
260 {
261 ext2_filsys fs = ctx->fs;
262 const char *reason = NULL;
263 unsigned int reason_arg = 0;
264 long next_check;
265 int batt = is_on_batt();
266 int defer_check_on_battery;
267 time_t lastcheck;
268
269 profile_get_boolean(ctx->profile, "options",
270 "defer_check_on_battery", 0, 1,
271 &defer_check_on_battery);
272 if (!defer_check_on_battery)
273 batt = 0;
274
275 if ((ctx->options & E2F_OPT_FORCE) || bad_blocks_file ||
276 cflag || swapfs)
277 return;
278
279 lastcheck = fs->super->s_lastcheck;
280 if (lastcheck > ctx->now)
281 lastcheck -= ctx->time_fudge;
282 if ((fs->super->s_state & EXT2_ERROR_FS) ||
283 !ext2fs_test_valid(fs))
284 reason = _(" contains a file system with errors");
285 else if ((fs->super->s_state & EXT2_VALID_FS) == 0)
286 reason = _(" was not cleanly unmounted");
287 else if (check_backup_super_block(ctx))
288 reason = _(" primary superblock features different from backup");
289 else if ((fs->super->s_max_mnt_count > 0) &&
290 (fs->super->s_mnt_count >=
291 (unsigned) fs->super->s_max_mnt_count)) {
292 reason = _(" has been mounted %u times without being checked");
293 reason_arg = fs->super->s_mnt_count;
294 if (batt && (fs->super->s_mnt_count <
295 (unsigned) fs->super->s_max_mnt_count*2))
296 reason = 0;
297 } else if (fs->super->s_checkinterval &&
298 ((ctx->now - lastcheck) >= fs->super->s_checkinterval)) {
299 reason = _(" has gone %u days without being checked");
300 reason_arg = (ctx->now - fs->super->s_lastcheck)/(3600*24);
301 if (batt && ((ctx->now - fs->super->s_lastcheck) <
302 fs->super->s_checkinterval*2))
303 reason = 0;
304 }
305 if (reason) {
306 fputs(ctx->device_name, stdout);
307 printf(reason, reason_arg);
308 fputs(_(", check forced.\n"), stdout);
309 return;
310 }
311 printf(_("%s: clean, %u/%u files, %u/%u blocks"), ctx->device_name,
312 fs->super->s_inodes_count - fs->super->s_free_inodes_count,
313 fs->super->s_inodes_count,
314 fs->super->s_blocks_count - fs->super->s_free_blocks_count,
315 fs->super->s_blocks_count);
316 next_check = 100000;
317 if (fs->super->s_max_mnt_count > 0) {
318 next_check = fs->super->s_max_mnt_count - fs->super->s_mnt_count;
319 if (next_check <= 0)
320 next_check = 1;
321 }
322 if (fs->super->s_checkinterval &&
323 ((ctx->now - fs->super->s_lastcheck) >= fs->super->s_checkinterval))
324 next_check = 1;
325 if (next_check <= 5) {
326 if (next_check == 1) {
327 if (batt)
328 fputs(_(" (check deferred; on battery)"),
329 stdout);
330 else
331 fputs(_(" (check after next mount)"), stdout);
332 } else
333 printf(_(" (check in %ld mounts)"), next_check);
334 }
335 fputc('\n', stdout);
336 ext2fs_close(fs);
337 ctx->fs = NULL;
338 e2fsck_free_context(ctx);
339 exit(FSCK_OK);
340 }
341
342 /*
343 * For completion notice
344 */
345 struct percent_tbl {
346 int max_pass;
347 int table[32];
348 };
349 struct percent_tbl e2fsck_tbl = {
350 5, { 0, 70, 90, 92, 95, 100 }
351 };
352 static char bar[128], spaces[128];
353
calc_percent(struct percent_tbl * tbl,int pass,int curr,int max)354 static float calc_percent(struct percent_tbl *tbl, int pass, int curr,
355 int max)
356 {
357 float percent;
358
359 if (pass <= 0)
360 return 0.0;
361 if (pass > tbl->max_pass || max == 0)
362 return 100.0;
363 percent = ((float) curr) / ((float) max);
364 return ((percent * (tbl->table[pass] - tbl->table[pass-1]))
365 + tbl->table[pass-1]);
366 }
367
e2fsck_clear_progbar(e2fsck_t ctx)368 extern void e2fsck_clear_progbar(e2fsck_t ctx)
369 {
370 if (!(ctx->flags & E2F_FLAG_PROG_BAR))
371 return;
372
373 printf("%s%s\r%s", ctx->start_meta, spaces + (sizeof(spaces) - 80),
374 ctx->stop_meta);
375 fflush(stdout);
376 ctx->flags &= ~E2F_FLAG_PROG_BAR;
377 }
378
e2fsck_simple_progress(e2fsck_t ctx,const char * label,float percent,unsigned int dpynum)379 int e2fsck_simple_progress(e2fsck_t ctx, const char *label, float percent,
380 unsigned int dpynum)
381 {
382 static const char spinner[] = "\\|/-";
383 int i;
384 unsigned int tick;
385 struct timeval tv;
386 int dpywidth;
387 int fixed_percent;
388
389 if (ctx->flags & E2F_FLAG_PROG_SUPPRESS)
390 return 0;
391
392 /*
393 * Calculate the new progress position. If the
394 * percentage hasn't changed, then we skip out right
395 * away.
396 */
397 fixed_percent = (int) ((10 * percent) + 0.5);
398 if (ctx->progress_last_percent == fixed_percent)
399 return 0;
400 ctx->progress_last_percent = fixed_percent;
401
402 /*
403 * If we've already updated the spinner once within
404 * the last 1/8th of a second, no point doing it
405 * again.
406 */
407 gettimeofday(&tv, NULL);
408 tick = (tv.tv_sec << 3) + (tv.tv_usec / (1000000 / 8));
409 if ((tick == ctx->progress_last_time) &&
410 (fixed_percent != 0) && (fixed_percent != 1000))
411 return 0;
412 ctx->progress_last_time = tick;
413
414 /*
415 * Advance the spinner, and note that the progress bar
416 * will be on the screen
417 */
418 ctx->progress_pos = (ctx->progress_pos+1) & 3;
419 ctx->flags |= E2F_FLAG_PROG_BAR;
420
421 dpywidth = 66 - strlen(label);
422 dpywidth = 8 * (dpywidth / 8);
423 if (dpynum)
424 dpywidth -= 8;
425
426 i = ((percent * dpywidth) + 50) / 100;
427 printf("%s%s: |%s%s", ctx->start_meta, label,
428 bar + (sizeof(bar) - (i+1)),
429 spaces + (sizeof(spaces) - (dpywidth - i + 1)));
430 if (fixed_percent == 1000)
431 fputc('|', stdout);
432 else
433 fputc(spinner[ctx->progress_pos & 3], stdout);
434 printf(" %4.1f%% ", percent);
435 if (dpynum)
436 printf("%u\r", dpynum);
437 else
438 fputs(" \r", stdout);
439 fputs(ctx->stop_meta, stdout);
440
441 if (fixed_percent == 1000)
442 e2fsck_clear_progbar(ctx);
443 fflush(stdout);
444
445 return 0;
446 }
447
e2fsck_update_progress(e2fsck_t ctx,int pass,unsigned long cur,unsigned long max)448 static int e2fsck_update_progress(e2fsck_t ctx, int pass,
449 unsigned long cur, unsigned long max)
450 {
451 char buf[80];
452 float percent;
453
454 if (pass == 0)
455 return 0;
456
457 if (ctx->progress_fd) {
458 sprintf(buf, "%d %lu %lu\n", pass, cur, max);
459 write(ctx->progress_fd, buf, strlen(buf));
460 } else {
461 percent = calc_percent(&e2fsck_tbl, pass, cur, max);
462 e2fsck_simple_progress(ctx, ctx->device_name,
463 percent, 0);
464 }
465 return 0;
466 }
467
468 #define PATH_SET "PATH=/sbin"
469
reserve_stdio_fds(void)470 static void reserve_stdio_fds(void)
471 {
472 int fd;
473
474 while (1) {
475 fd = open("/dev/null", O_RDWR);
476 if (fd > 2)
477 break;
478 if (fd < 0) {
479 fprintf(stderr, _("ERROR: Couldn't open "
480 "/dev/null (%s)\n"),
481 strerror(errno));
482 break;
483 }
484 }
485 close(fd);
486 }
487
488 #ifdef HAVE_SIGNAL_H
signal_progress_on(int sig EXT2FS_ATTR ((unused)))489 static void signal_progress_on(int sig EXT2FS_ATTR((unused)))
490 {
491 e2fsck_t ctx = e2fsck_global_ctx;
492
493 if (!ctx)
494 return;
495
496 ctx->progress = e2fsck_update_progress;
497 ctx->progress_fd = 0;
498 }
499
signal_progress_off(int sig EXT2FS_ATTR ((unused)))500 static void signal_progress_off(int sig EXT2FS_ATTR((unused)))
501 {
502 e2fsck_t ctx = e2fsck_global_ctx;
503
504 if (!ctx)
505 return;
506
507 e2fsck_clear_progbar(ctx);
508 ctx->progress = 0;
509 }
510
signal_cancel(int sig EXT2FS_ATTR ((unused)))511 static void signal_cancel(int sig EXT2FS_ATTR((unused)))
512 {
513 e2fsck_t ctx = e2fsck_global_ctx;
514
515 if (!ctx)
516 exit(FSCK_CANCELED);
517
518 ctx->flags |= E2F_FLAG_CANCEL;
519 }
520 #endif
521
parse_extended_opts(e2fsck_t ctx,const char * opts)522 static void parse_extended_opts(e2fsck_t ctx, const char *opts)
523 {
524 char *buf, *token, *next, *p, *arg;
525 int ea_ver;
526 int extended_usage = 0;
527
528 buf = string_copy(ctx, opts, 0);
529 for (token = buf; token && *token; token = next) {
530 p = strchr(token, ',');
531 next = 0;
532 if (p) {
533 *p = 0;
534 next = p+1;
535 }
536 arg = strchr(token, '=');
537 if (arg) {
538 *arg = 0;
539 arg++;
540 }
541 if (strcmp(token, "ea_ver") == 0) {
542 if (!arg) {
543 extended_usage++;
544 continue;
545 }
546 ea_ver = strtoul(arg, &p, 0);
547 if (*p ||
548 ((ea_ver != 1) && (ea_ver != 2))) {
549 fprintf(stderr,
550 _("Invalid EA version.\n"));
551 extended_usage++;
552 continue;
553 }
554 ctx->ext_attr_ver = ea_ver;
555 } else {
556 fprintf(stderr, _("Unknown extended option: %s\n"),
557 token);
558 extended_usage++;
559 }
560 }
561 free(buf);
562
563 if (extended_usage) {
564 fputs(("\nExtended options are separated by commas, "
565 "and may take an argument which\n"
566 "is set off by an equals ('=') sign. "
567 "Valid extended options are:\n"
568 "\tea_ver=<ea_version (1 or 2)>\n\n"), stderr);
569 exit(1);
570 }
571 }
572
syntax_err_report(const char * filename,long err,int line_num)573 static void syntax_err_report(const char *filename, long err, int line_num)
574 {
575 fprintf(stderr,
576 _("Syntax error in e2fsck config file (%s, line #%d)\n\t%s\n"),
577 filename, line_num, error_message(err));
578 exit(FSCK_ERROR);
579 }
580
581 static const char *config_fn[] = { ROOT_SYSCONFDIR "/e2fsck.conf", 0 };
582
PRS(int argc,char * argv[],e2fsck_t * ret_ctx)583 static errcode_t PRS(int argc, char *argv[], e2fsck_t *ret_ctx)
584 {
585 int flush = 0;
586 int c, fd;
587 #ifdef MTRACE
588 extern void *mallwatch;
589 #endif
590 e2fsck_t ctx;
591 errcode_t retval;
592 #ifdef HAVE_SIGNAL_H
593 struct sigaction sa;
594 #endif
595 char *extended_opts = 0;
596 char *cp;
597 int res; /* result of sscanf */
598 #ifdef CONFIG_JBD_DEBUG
599 char *jbd_debug;
600 #endif
601
602 retval = e2fsck_allocate_context(&ctx);
603 if (retval)
604 return retval;
605
606 *ret_ctx = ctx;
607
608 setvbuf(stdout, NULL, _IONBF, BUFSIZ);
609 setvbuf(stderr, NULL, _IONBF, BUFSIZ);
610 if (isatty(0) && isatty(1)) {
611 ctx->interactive = 1;
612 } else {
613 ctx->start_meta[0] = '\001';
614 ctx->stop_meta[0] = '\002';
615 }
616 memset(bar, '=', sizeof(bar)-1);
617 memset(spaces, ' ', sizeof(spaces)-1);
618 add_error_table(&et_ext2_error_table);
619 add_error_table(&et_prof_error_table);
620 blkid_get_cache(&ctx->blkid, NULL);
621
622 if (argc && *argv)
623 ctx->program_name = *argv;
624 else
625 ctx->program_name = "e2fsck";
626 while ((c = getopt (argc, argv, "panyrcC:B:dE:fvtFVM:b:I:j:P:l:L:N:SsDk")) != EOF)
627 switch (c) {
628 case 'C':
629 ctx->progress = e2fsck_update_progress;
630 res = sscanf(optarg, "%d", &ctx->progress_fd);
631 if (res != 1)
632 goto sscanf_err;
633
634 if (!ctx->progress_fd)
635 break;
636 /* Validate the file descriptor to avoid disasters */
637 fd = dup(ctx->progress_fd);
638 if (fd < 0) {
639 fprintf(stderr,
640 _("Error validating file descriptor %d: %s\n"),
641 ctx->progress_fd,
642 error_message(errno));
643 fatal_error(ctx,
644 _("Invalid completion information file descriptor"));
645 } else
646 close(fd);
647 break;
648 case 'D':
649 ctx->options |= E2F_OPT_COMPRESS_DIRS;
650 break;
651 case 'E':
652 extended_opts = optarg;
653 break;
654 case 'p':
655 case 'a':
656 if (ctx->options & (E2F_OPT_YES|E2F_OPT_NO)) {
657 conflict_opt:
658 fatal_error(ctx,
659 _("Only one of the options -p/-a, -n or -y may be specified."));
660 }
661 ctx->options |= E2F_OPT_PREEN;
662 break;
663 case 'n':
664 if (ctx->options & (E2F_OPT_YES|E2F_OPT_PREEN))
665 goto conflict_opt;
666 ctx->options |= E2F_OPT_NO;
667 break;
668 case 'y':
669 if (ctx->options & (E2F_OPT_PREEN|E2F_OPT_NO))
670 goto conflict_opt;
671 ctx->options |= E2F_OPT_YES;
672 break;
673 case 't':
674 #ifdef RESOURCE_TRACK
675 if (ctx->options & E2F_OPT_TIME)
676 ctx->options |= E2F_OPT_TIME2;
677 else
678 ctx->options |= E2F_OPT_TIME;
679 #else
680 fprintf(stderr, _("The -t option is not "
681 "supported on this version of e2fsck.\n"));
682 #endif
683 break;
684 case 'c':
685 if (cflag++)
686 ctx->options |= E2F_OPT_WRITECHECK;
687 ctx->options |= E2F_OPT_CHECKBLOCKS;
688 break;
689 case 'r':
690 /* What we do by default, anyway! */
691 break;
692 case 'b':
693 res = sscanf(optarg, "%d", &ctx->use_superblock);
694 if (res != 1)
695 goto sscanf_err;
696 ctx->flags |= E2F_FLAG_SB_SPECIFIED;
697 break;
698 case 'B':
699 ctx->blocksize = atoi(optarg);
700 break;
701 case 'I':
702 res = sscanf(optarg, "%d", &ctx->inode_buffer_blocks);
703 if (res != 1)
704 goto sscanf_err;
705 break;
706 case 'j':
707 ctx->journal_name = string_copy(ctx, optarg, 0);
708 break;
709 case 'P':
710 res = sscanf(optarg, "%d", &ctx->process_inode_size);
711 if (res != 1)
712 goto sscanf_err;
713 break;
714 case 'L':
715 replace_bad_blocks++;
716 case 'l':
717 bad_blocks_file = string_copy(ctx, optarg, 0);
718 break;
719 case 'd':
720 ctx->options |= E2F_OPT_DEBUG;
721 break;
722 case 'f':
723 ctx->options |= E2F_OPT_FORCE;
724 break;
725 case 'F':
726 flush = 1;
727 break;
728 case 'v':
729 verbose = 1;
730 break;
731 case 'V':
732 show_version_only = 1;
733 break;
734 #ifdef MTRACE
735 case 'M':
736 mallwatch = (void *) strtol(optarg, NULL, 0);
737 break;
738 #endif
739 case 'N':
740 ctx->device_name = optarg;
741 break;
742 #ifdef ENABLE_SWAPFS
743 case 's':
744 normalize_swapfs = 1;
745 case 'S':
746 swapfs = 1;
747 break;
748 #else
749 case 's':
750 case 'S':
751 fprintf(stderr, _("Byte-swapping filesystems "
752 "not compiled in this version "
753 "of e2fsck\n"));
754 exit(1);
755 #endif
756 case 'k':
757 keep_bad_blocks++;
758 break;
759 default:
760 usage(ctx);
761 }
762 if (show_version_only)
763 return 0;
764 if (optind != argc - 1)
765 usage(ctx);
766 if ((ctx->options & E2F_OPT_NO) && !bad_blocks_file &&
767 !cflag && !swapfs && !(ctx->options & E2F_OPT_COMPRESS_DIRS))
768 ctx->options |= E2F_OPT_READONLY;
769 ctx->io_options = strchr(argv[optind], '?');
770 if (ctx->io_options)
771 *ctx->io_options++ = 0;
772 ctx->filesystem_name = blkid_get_devname(ctx->blkid, argv[optind], 0);
773 if (!ctx->filesystem_name) {
774 com_err(ctx->program_name, 0, _("Unable to resolve '%s'"),
775 argv[optind]);
776 fatal_error(ctx, 0);
777 }
778 if (extended_opts)
779 parse_extended_opts(ctx, extended_opts);
780
781 if ((cp = getenv("E2FSCK_CONFIG")) != NULL)
782 config_fn[0] = cp;
783 profile_set_syntax_err_cb(syntax_err_report);
784 profile_init(config_fn, &ctx->profile);
785
786 if (flush) {
787 fd = open(ctx->filesystem_name, O_RDONLY, 0);
788 if (fd < 0) {
789 com_err("open", errno,
790 _("while opening %s for flushing"),
791 ctx->filesystem_name);
792 fatal_error(ctx, 0);
793 }
794 if ((retval = ext2fs_sync_device(fd, 1))) {
795 com_err("ext2fs_sync_device", retval,
796 _("while trying to flush %s"),
797 ctx->filesystem_name);
798 fatal_error(ctx, 0);
799 }
800 close(fd);
801 }
802 #ifdef ENABLE_SWAPFS
803 if (swapfs) {
804 if (cflag || bad_blocks_file) {
805 fprintf(stderr, _("Incompatible options not "
806 "allowed when byte-swapping.\n"));
807 exit(FSCK_USAGE);
808 }
809 }
810 #endif
811 if (cflag && bad_blocks_file) {
812 fprintf(stderr, _("The -c and the -l/-L options may "
813 "not be both used at the same time.\n"));
814 exit(FSCK_USAGE);
815 }
816 #ifdef HAVE_SIGNAL_H
817 /*
818 * Set up signal action
819 */
820 memset(&sa, 0, sizeof(struct sigaction));
821 sa.sa_handler = signal_cancel;
822 sigaction(SIGINT, &sa, 0);
823 sigaction(SIGTERM, &sa, 0);
824 #ifdef SA_RESTART
825 sa.sa_flags = SA_RESTART;
826 #endif
827 e2fsck_global_ctx = ctx;
828 sa.sa_handler = signal_progress_on;
829 sigaction(SIGUSR1, &sa, 0);
830 sa.sa_handler = signal_progress_off;
831 sigaction(SIGUSR2, &sa, 0);
832 #endif
833
834 /* Update our PATH to include /sbin if we need to run badblocks */
835 if (cflag) {
836 char *oldpath = getenv("PATH");
837 char *newpath;
838 int len = sizeof(PATH_SET) + 1;
839
840 if (oldpath)
841 len += strlen(oldpath);
842
843 newpath = malloc(len);
844 if (!newpath)
845 fatal_error(ctx, "Couldn't malloc() newpath");
846 strcpy(newpath, PATH_SET);
847
848 if (oldpath) {
849 strcat(newpath, ":");
850 strcat(newpath, oldpath);
851 }
852 putenv(newpath);
853 }
854 #ifdef CONFIG_JBD_DEBUG
855 jbd_debug = getenv("E2FSCK_JBD_DEBUG");
856 if (jbd_debug) {
857 res = sscanf(jbd_debug, "%d", &journal_enable_debug);
858 if (res != 1) {
859 fprintf(stderr,
860 _("E2FSCK_JBD_DEBUG \"%s\" not an integer\n\n"),
861 jbd_debug);
862 exit (1);
863 }
864 }
865 #endif
866 return 0;
867
868 sscanf_err:
869 fprintf(stderr, _("\nInvalid non-numeric argument to -%c (\"%s\")\n\n"),
870 c, optarg);
871 exit (1);
872 }
873
874 static const char *my_ver_string = E2FSPROGS_VERSION;
875 static const char *my_ver_date = E2FSPROGS_DATE;
876
main(int argc,char * argv[])877 int main (int argc, char *argv[])
878 {
879 errcode_t retval = 0, orig_retval = 0;
880 int exit_value = FSCK_OK;
881 ext2_filsys fs = 0;
882 io_manager io_ptr;
883 struct ext2_super_block *sb;
884 const char *lib_ver_date;
885 int my_ver, lib_ver;
886 e2fsck_t ctx;
887 struct problem_context pctx;
888 int flags, run_result;
889 int journal_size;
890 int sysval, sys_page_size = 4096;
891 __u32 features[3];
892
893 clear_problem_context(&pctx);
894 #ifdef MTRACE
895 mtrace();
896 #endif
897 #ifdef MCHECK
898 mcheck(0);
899 #endif
900 #ifdef ENABLE_NLS
901 setlocale(LC_MESSAGES, "");
902 setlocale(LC_CTYPE, "");
903 bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
904 textdomain(NLS_CAT_NAME);
905 #endif
906 my_ver = ext2fs_parse_version_string(my_ver_string);
907 lib_ver = ext2fs_get_library_version(0, &lib_ver_date);
908 if (my_ver > lib_ver) {
909 fprintf( stderr, _("Error: ext2fs library version "
910 "out of date!\n"));
911 show_version_only++;
912 }
913
914 retval = PRS(argc, argv, &ctx);
915 if (retval) {
916 com_err("e2fsck", retval,
917 _("while trying to initialize program"));
918 exit(FSCK_ERROR);
919 }
920 reserve_stdio_fds();
921
922 #ifdef RESOURCE_TRACK
923 init_resource_track(&ctx->global_rtrack);
924 #endif
925
926 if (!(ctx->options & E2F_OPT_PREEN) || show_version_only)
927 fprintf(stderr, "e2fsck %s (%s)\n", my_ver_string,
928 my_ver_date);
929
930 if (show_version_only) {
931 fprintf(stderr, _("\tUsing %s, %s\n"),
932 error_message(EXT2_ET_BASE), lib_ver_date);
933 exit(FSCK_OK);
934 }
935
936 check_mount(ctx);
937
938 if (!(ctx->options & E2F_OPT_PREEN) &&
939 !(ctx->options & E2F_OPT_NO) &&
940 !(ctx->options & E2F_OPT_YES)) {
941 if (!ctx->interactive)
942 fatal_error(ctx,
943 _("need terminal for interactive repairs"));
944 }
945 ctx->superblock = ctx->use_superblock;
946 restart:
947 #ifdef CONFIG_TESTIO_DEBUG
948 io_ptr = test_io_manager;
949 test_io_backing_manager = unix_io_manager;
950 #else
951 io_ptr = unix_io_manager;
952 #endif
953 flags = EXT2_FLAG_NOFREE_ON_ERROR;
954 if ((ctx->options & E2F_OPT_READONLY) == 0)
955 flags |= EXT2_FLAG_RW;
956 if ((ctx->mount_flags & EXT2_MF_MOUNTED) == 0)
957 flags |= EXT2_FLAG_EXCLUSIVE;
958
959 if (ctx->superblock && ctx->blocksize) {
960 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
961 flags, ctx->superblock, ctx->blocksize,
962 io_ptr, &fs);
963 } else if (ctx->superblock) {
964 int blocksize;
965 for (blocksize = EXT2_MIN_BLOCK_SIZE;
966 blocksize <= EXT2_MAX_BLOCK_SIZE; blocksize *= 2) {
967 retval = ext2fs_open2(ctx->filesystem_name,
968 ctx->io_options, flags,
969 ctx->superblock, blocksize,
970 io_ptr, &fs);
971 if (!retval)
972 break;
973 }
974 } else
975 retval = ext2fs_open2(ctx->filesystem_name, ctx->io_options,
976 flags, 0, 0, io_ptr, &fs);
977 if (!ctx->superblock && !(ctx->options & E2F_OPT_PREEN) &&
978 !(ctx->flags & E2F_FLAG_SB_SPECIFIED) &&
979 ((retval == EXT2_ET_BAD_MAGIC) ||
980 (retval == EXT2_ET_CORRUPT_SUPERBLOCK) ||
981 ((retval == 0) && ext2fs_check_desc(fs)))) {
982 if (fs->flags & EXT2_FLAG_NOFREE_ON_ERROR) {
983 ext2fs_free(fs);
984 fs = NULL;
985 }
986 if (!fs || (fs->group_desc_count > 1)) {
987 printf(_("%s: %s trying backup blocks...\n"),
988 ctx->program_name,
989 retval ? _("Superblock invalid,") :
990 _("Group descriptors look bad..."));
991 get_backup_sb(ctx, fs, ctx->filesystem_name, io_ptr);
992 if (fs)
993 ext2fs_close(fs);
994 orig_retval = retval;
995 goto restart;
996 }
997 }
998 if (((retval == EXT2_ET_UNSUPP_FEATURE) ||
999 (retval == EXT2_ET_RO_UNSUPP_FEATURE)) &&
1000 fs && fs->super) {
1001 sb = fs->super;
1002 features[0] = (sb->s_feature_compat &
1003 ~EXT2_LIB_FEATURE_COMPAT_SUPP);
1004 features[1] = (sb->s_feature_incompat &
1005 ~EXT2_LIB_FEATURE_INCOMPAT_SUPP);
1006 features[2] = (sb->s_feature_ro_compat &
1007 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1008 if (features[0] || features[1] || features[2])
1009 goto print_unsupp_features;
1010 }
1011 if (retval) {
1012 if (orig_retval)
1013 retval = orig_retval;
1014 com_err(ctx->program_name, retval, _("while trying to open %s"),
1015 ctx->filesystem_name);
1016 if (retval == EXT2_ET_REV_TOO_HIGH) {
1017 printf(_("The filesystem revision is apparently "
1018 "too high for this version of e2fsck.\n"
1019 "(Or the filesystem superblock "
1020 "is corrupt)\n\n"));
1021 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1022 } else if (retval == EXT2_ET_SHORT_READ)
1023 printf(_("Could this be a zero-length partition?\n"));
1024 else if ((retval == EPERM) || (retval == EACCES))
1025 printf(_("You must have %s access to the "
1026 "filesystem or be root\n"),
1027 (ctx->options & E2F_OPT_READONLY) ?
1028 "r/o" : "r/w");
1029 else if (retval == ENXIO)
1030 printf(_("Possibly non-existent or swap device?\n"));
1031 else if (retval == EBUSY)
1032 printf(_("Filesystem mounted or opened exclusively "
1033 "by another program?\n"));
1034 #ifdef EROFS
1035 else if (retval == EROFS)
1036 printf(_("Disk write-protected; use the -n option "
1037 "to do a read-only\n"
1038 "check of the device.\n"));
1039 #endif
1040 else
1041 fix_problem(ctx, PR_0_SB_CORRUPT, &pctx);
1042 fatal_error(ctx, 0);
1043 }
1044 /*
1045 * We only update the master superblock because (a) paranoia;
1046 * we don't want to corrupt the backup superblocks, and (b) we
1047 * don't need to update the mount count and last checked
1048 * fields in the backup superblock (the kernel doesn't update
1049 * the backup superblocks anyway). With newer versions of the
1050 * library this flag is set by ext2fs_open2(), but we set this
1051 * here just to be sure. (No, we don't support e2fsck running
1052 * with some other libext2fs than the one that it was shipped
1053 * with, but just in case....)
1054 */
1055 fs->flags |= EXT2_FLAG_MASTER_SB_ONLY;
1056
1057 if (!(ctx->flags & E2F_FLAG_GOT_DEVSIZE)) {
1058 __u32 blocksize = EXT2_BLOCK_SIZE(fs->super);
1059 int need_restart = 0;
1060
1061 pctx.errcode = ext2fs_get_device_size(ctx->filesystem_name,
1062 blocksize,
1063 &ctx->num_blocks);
1064 /*
1065 * The floppy driver refuses to allow anyone else to
1066 * open the device if has been opened with O_EXCL;
1067 * this is unlike other block device drivers in Linux.
1068 * To handle this, we close the filesystem and then
1069 * reopen the filesystem after we get the device size.
1070 */
1071 if (pctx.errcode == EBUSY) {
1072 ext2fs_close(fs);
1073 need_restart++;
1074 pctx.errcode =
1075 ext2fs_get_device_size(ctx->filesystem_name,
1076 blocksize,
1077 &ctx->num_blocks);
1078 }
1079 if (pctx.errcode == EXT2_ET_UNIMPLEMENTED)
1080 ctx->num_blocks = 0;
1081 else if (pctx.errcode) {
1082 fix_problem(ctx, PR_0_GETSIZE_ERROR, &pctx);
1083 ctx->flags |= E2F_FLAG_ABORT;
1084 fatal_error(ctx, 0);
1085 }
1086 ctx->flags |= E2F_FLAG_GOT_DEVSIZE;
1087 if (need_restart)
1088 goto restart;
1089 }
1090
1091 ctx->fs = fs;
1092 fs->priv_data = ctx;
1093 fs->now = ctx->now;
1094 sb = fs->super;
1095 if (sb->s_rev_level > E2FSCK_CURRENT_REV) {
1096 com_err(ctx->program_name, EXT2_ET_REV_TOO_HIGH,
1097 _("while trying to open %s"),
1098 ctx->filesystem_name);
1099 get_newer:
1100 fatal_error(ctx, _("Get a newer version of e2fsck!"));
1101 }
1102
1103 /*
1104 * Set the device name, which is used whenever we print error
1105 * or informational messages to the user.
1106 */
1107 if (ctx->device_name == 0 &&
1108 (sb->s_volume_name[0] != 0)) {
1109 ctx->device_name = string_copy(ctx, sb->s_volume_name,
1110 sizeof(sb->s_volume_name));
1111 }
1112 if (ctx->device_name == 0)
1113 ctx->device_name = ctx->filesystem_name;
1114
1115 /*
1116 * Make sure the ext3 superblock fields are consistent.
1117 */
1118 retval = e2fsck_check_ext3_journal(ctx);
1119 if (retval) {
1120 com_err(ctx->program_name, retval,
1121 _("while checking ext3 journal for %s"),
1122 ctx->device_name);
1123 fatal_error(ctx, 0);
1124 }
1125
1126 /*
1127 * Check to see if we need to do ext3-style recovery. If so,
1128 * do it, and then restart the fsck.
1129 */
1130 if (sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) {
1131 if (ctx->options & E2F_OPT_READONLY) {
1132 printf(_("Warning: skipping journal recovery "
1133 "because doing a read-only filesystem "
1134 "check.\n"));
1135 io_channel_flush(ctx->fs->io);
1136 } else {
1137 if (ctx->flags & E2F_FLAG_RESTARTED) {
1138 /*
1139 * Whoops, we attempted to run the
1140 * journal twice. This should never
1141 * happen, unless the hardware or
1142 * device driver is being bogus.
1143 */
1144 com_err(ctx->program_name, 0,
1145 _("unable to set superblock flags on %s\n"), ctx->device_name);
1146 fatal_error(ctx, 0);
1147 }
1148 retval = e2fsck_run_ext3_journal(ctx);
1149 if (retval) {
1150 com_err(ctx->program_name, retval,
1151 _("while recovering ext3 journal of %s"),
1152 ctx->device_name);
1153 fatal_error(ctx, 0);
1154 }
1155 ext2fs_close(ctx->fs);
1156 ctx->fs = 0;
1157 ctx->flags |= E2F_FLAG_RESTARTED;
1158 goto restart;
1159 }
1160 }
1161
1162 /*
1163 * Check for compatibility with the feature sets. We need to
1164 * be more stringent than ext2fs_open().
1165 */
1166 features[0] = sb->s_feature_compat & ~EXT2_LIB_FEATURE_COMPAT_SUPP;
1167 features[1] = sb->s_feature_incompat & ~EXT2_LIB_FEATURE_INCOMPAT_SUPP;
1168 features[2] = (sb->s_feature_ro_compat &
1169 ~EXT2_LIB_FEATURE_RO_COMPAT_SUPP);
1170 print_unsupp_features:
1171 if (features[0] || features[1] || features[2]) {
1172 int i, j;
1173 __u32 *mask = features, m;
1174
1175 fprintf(stderr, _("%s has unsupported feature(s):"),
1176 ctx->filesystem_name);
1177
1178 for (i=0; i <3; i++,mask++) {
1179 for (j=0,m=1; j < 32; j++, m<<=1) {
1180 if (*mask & m)
1181 fprintf(stderr, " %s",
1182 e2p_feature2string(i, m));
1183 }
1184 }
1185 putc('\n', stderr);
1186 goto get_newer;
1187 }
1188 #ifdef ENABLE_COMPRESSION
1189 if (sb->s_feature_incompat & EXT2_FEATURE_INCOMPAT_COMPRESSION)
1190 com_err(ctx->program_name, 0,
1191 _("Warning: compression support is experimental.\n"));
1192 #endif
1193 #ifndef ENABLE_HTREE
1194 if (sb->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX) {
1195 com_err(ctx->program_name, 0,
1196 _("E2fsck not compiled with HTREE support,\n\t"
1197 "but filesystem %s has HTREE directories.\n"),
1198 ctx->device_name);
1199 goto get_newer;
1200 }
1201 #endif
1202
1203 /*
1204 * If the user specified a specific superblock, presumably the
1205 * master superblock has been trashed. So we mark the
1206 * superblock as dirty, so it can be written out.
1207 */
1208 if (ctx->superblock &&
1209 !(ctx->options & E2F_OPT_READONLY))
1210 ext2fs_mark_super_dirty(fs);
1211
1212 /*
1213 * Calculate the number of filesystem blocks per pagesize. If
1214 * fs->blocksize > page_size, set the number of blocks per
1215 * pagesize to 1 to avoid division by zero errors.
1216 */
1217 #ifdef _SC_PAGESIZE
1218 sysval = sysconf(_SC_PAGESIZE);
1219 if (sysval > 0)
1220 sys_page_size = sysval;
1221 #endif /* _SC_PAGESIZE */
1222 ctx->blocks_per_page = sys_page_size / fs->blocksize;
1223 if (ctx->blocks_per_page == 0)
1224 ctx->blocks_per_page = 1;
1225
1226 ehandler_init(fs->io);
1227
1228 if (ctx->superblock)
1229 set_latch_flags(PR_LATCH_RELOC, PRL_LATCHED, 0);
1230 ext2fs_mark_valid(fs);
1231 check_super_block(ctx);
1232 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1233 fatal_error(ctx, 0);
1234 check_if_skip(ctx);
1235 if (bad_blocks_file)
1236 read_bad_blocks_file(ctx, bad_blocks_file, replace_bad_blocks);
1237 else if (cflag)
1238 read_bad_blocks_file(ctx, 0, !keep_bad_blocks); /* Test disk */
1239 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1240 fatal_error(ctx, 0);
1241 #ifdef ENABLE_SWAPFS
1242 if (normalize_swapfs) {
1243 if ((fs->flags & EXT2_FLAG_SWAP_BYTES) ==
1244 ext2fs_native_flag()) {
1245 fprintf(stderr, _("%s: Filesystem byte order "
1246 "already normalized.\n"), ctx->device_name);
1247 fatal_error(ctx, 0);
1248 }
1249 }
1250 if (swapfs) {
1251 swap_filesys(ctx);
1252 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1253 fatal_error(ctx, 0);
1254 }
1255 #endif
1256
1257 /*
1258 * Mark the system as valid, 'til proven otherwise
1259 */
1260 ext2fs_mark_valid(fs);
1261
1262 retval = ext2fs_read_bb_inode(fs, &fs->badblocks);
1263 if (retval) {
1264 com_err(ctx->program_name, retval,
1265 _("while reading bad blocks inode"));
1266 preenhalt(ctx);
1267 printf(_("This doesn't bode well,"
1268 " but we'll try to go on...\n"));
1269 }
1270
1271 /*
1272 * Save the journal size in megabytes.
1273 * Try and use the journal size from the backup else let e2fsck
1274 * find the default journal size.
1275 */
1276 if (sb->s_jnl_backup_type == EXT3_JNL_BACKUP_BLOCKS)
1277 journal_size = sb->s_jnl_blocks[16] >> 20;
1278 else
1279 journal_size = -1;
1280
1281 run_result = e2fsck_run(ctx);
1282 e2fsck_clear_progbar(ctx);
1283
1284 if (ctx->flags & E2F_FLAG_JOURNAL_INODE) {
1285 if (fix_problem(ctx, PR_6_RECREATE_JOURNAL, &pctx)) {
1286 if (journal_size < 1024)
1287 journal_size = ext2fs_default_journal_size(fs->super->s_blocks_count);
1288 if (journal_size < 0) {
1289 fs->super->s_feature_compat &=
1290 ~EXT3_FEATURE_COMPAT_HAS_JOURNAL;
1291 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1292 com_err(ctx->program_name, 0,
1293 _("Couldn't determine journal size"));
1294 goto no_journal;
1295 }
1296 printf(_("Creating journal (%d blocks): "),
1297 journal_size);
1298 fflush(stdout);
1299 retval = ext2fs_add_journal_inode(fs,
1300 journal_size, 0);
1301 if (retval) {
1302 com_err("Error ", retval,
1303 _("\n\twhile trying to create journal"));
1304 goto no_journal;
1305 }
1306 printf(_(" Done.\n"));
1307 printf(_("\n*** journal has been re-created - "
1308 "filesystem is now ext3 again ***\n"));
1309 }
1310 }
1311 no_journal:
1312
1313 if (run_result == E2F_FLAG_RESTART) {
1314 printf(_("Restarting e2fsck from the beginning...\n"));
1315 retval = e2fsck_reset_context(ctx);
1316 if (retval) {
1317 com_err(ctx->program_name, retval,
1318 _("while resetting context"));
1319 fatal_error(ctx, 0);
1320 }
1321 ext2fs_close(fs);
1322 goto restart;
1323 }
1324 if (run_result & E2F_FLAG_CANCEL) {
1325 printf(_("%s: e2fsck canceled.\n"), ctx->device_name ?
1326 ctx->device_name : ctx->filesystem_name);
1327 exit_value |= FSCK_CANCELED;
1328 }
1329 if (run_result & E2F_FLAG_ABORT)
1330 fatal_error(ctx, _("aborted"));
1331 if (check_backup_super_block(ctx)) {
1332 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
1333 ext2fs_mark_super_dirty(fs);
1334 }
1335
1336 #ifdef MTRACE
1337 mtrace_print("Cleanup");
1338 #endif
1339 if (ext2fs_test_changed(fs)) {
1340 exit_value |= FSCK_NONDESTRUCT;
1341 if (!(ctx->options & E2F_OPT_PREEN))
1342 printf(_("\n%s: ***** FILE SYSTEM WAS MODIFIED *****\n"),
1343 ctx->device_name);
1344 if (ctx->mount_flags & EXT2_MF_ISROOT) {
1345 printf(_("%s: ***** REBOOT LINUX *****\n"),
1346 ctx->device_name);
1347 exit_value |= FSCK_REBOOT;
1348 }
1349 }
1350 if (!ext2fs_test_valid(fs) ||
1351 ((exit_value & FSCK_CANCELED) &&
1352 (sb->s_state & EXT2_ERROR_FS))) {
1353 printf(_("\n%s: ********** WARNING: Filesystem still has "
1354 "errors **********\n\n"), ctx->device_name);
1355 exit_value |= FSCK_UNCORRECTED;
1356 exit_value &= ~FSCK_NONDESTRUCT;
1357 }
1358 if (exit_value & FSCK_CANCELED) {
1359 int allow_cancellation;
1360
1361 profile_get_boolean(ctx->profile, "options",
1362 "allow_cancellation", 0, 0,
1363 &allow_cancellation);
1364 exit_value &= ~FSCK_NONDESTRUCT;
1365 if (allow_cancellation && ext2fs_test_valid(fs) &&
1366 (sb->s_state & EXT2_VALID_FS) &&
1367 !(sb->s_state & EXT2_ERROR_FS))
1368 exit_value = 0;
1369 } else {
1370 show_stats(ctx);
1371 if (!(ctx->options & E2F_OPT_READONLY)) {
1372 if (ext2fs_test_valid(fs)) {
1373 if (!(sb->s_state & EXT2_VALID_FS))
1374 exit_value |= FSCK_NONDESTRUCT;
1375 sb->s_state = EXT2_VALID_FS;
1376 } else
1377 sb->s_state &= ~EXT2_VALID_FS;
1378 sb->s_mnt_count = 0;
1379 sb->s_lastcheck = ctx->now;
1380 ext2fs_mark_super_dirty(fs);
1381 }
1382 }
1383
1384 e2fsck_write_bitmaps(ctx);
1385
1386 ext2fs_close(fs);
1387 ctx->fs = NULL;
1388 free(ctx->filesystem_name);
1389 free(ctx->journal_name);
1390
1391 #ifdef RESOURCE_TRACK
1392 if (ctx->options & E2F_OPT_TIME)
1393 print_resource_track(NULL, &ctx->global_rtrack);
1394 #endif
1395 e2fsck_free_context(ctx);
1396 remove_error_table(&et_ext2_error_table);
1397 remove_error_table(&et_prof_error_table);
1398 return exit_value;
1399 }
1400