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Merge branch 'maint' into next
[thirdparty/e2fsprogs.git] / debugfs / debugfs.c
1 /*
2 * debugfs.c --- a program which allows you to attach an ext2fs
3 * filesystem and play with it.
4 *
5 * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
6 * under the terms of the GNU Public License.
7 *
8 * Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
9 */
10
11 #include "config.h"
12 #include <stdio.h>
13 #include <unistd.h>
14 #include <stdlib.h>
15 #include <ctype.h>
16 #include <string.h>
17 #include <time.h>
18 #ifdef HAVE_GETOPT_H
19 #include <getopt.h>
20 #else
21 extern int optind;
22 extern char *optarg;
23 #endif
24 #ifdef HAVE_ERRNO_H
25 #include <errno.h>
26 #endif
27 #include <fcntl.h>
28
29 #include "debugfs.h"
30 #include "uuid/uuid.h"
31 #include "e2p/e2p.h"
32
33 #include <ext2fs/ext2_ext_attr.h>
34
35 #include "../version.h"
36 #include "jfs_user.h"
37
38 #ifndef BUFSIZ
39 #define BUFSIZ 8192
40 #endif
41
42 ss_request_table *extra_cmds;
43 const char *debug_prog_name;
44 int sci_idx;
45
46 ext2_filsys current_fs;
47 quota_ctx_t current_qctx;
48 ext2_ino_t root, cwd;
49
50 static void open_filesystem(char *device, int open_flags, blk64_t superblock,
51 blk64_t blocksize, int catastrophic,
52 char *data_filename)
53 {
54 int retval;
55 io_channel data_io = 0;
56
57 if (superblock != 0 && blocksize == 0) {
58 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
59 current_fs = NULL;
60 return;
61 }
62
63 if (data_filename) {
64 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
65 com_err(device, 0,
66 "The -d option is only valid when reading an e2image file");
67 current_fs = NULL;
68 return;
69 }
70 retval = unix_io_manager->open(data_filename, 0, &data_io);
71 if (retval) {
72 com_err(data_filename, 0, "while opening data source");
73 current_fs = NULL;
74 return;
75 }
76 }
77
78 if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
79 com_err(device, 0,
80 "opening read-only because of catastrophic mode");
81 open_flags &= ~EXT2_FLAG_RW;
82 }
83 if (catastrophic)
84 open_flags |= EXT2_FLAG_SKIP_MMP;
85
86 retval = ext2fs_open(device, open_flags, superblock, blocksize,
87 unix_io_manager, &current_fs);
88 if (retval) {
89 com_err(device, retval, "while opening filesystem");
90 current_fs = NULL;
91 return;
92 }
93 current_fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
94
95 if (catastrophic)
96 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
97 else {
98 retval = ext2fs_read_inode_bitmap(current_fs);
99 if (retval) {
100 com_err(device, retval, "while reading inode bitmap");
101 goto errout;
102 }
103 retval = ext2fs_read_block_bitmap(current_fs);
104 if (retval) {
105 com_err(device, retval, "while reading block bitmap");
106 goto errout;
107 }
108 }
109
110 if (data_io) {
111 retval = ext2fs_set_data_io(current_fs, data_io);
112 if (retval) {
113 com_err(device, retval,
114 "while setting data source");
115 goto errout;
116 }
117 }
118
119 root = cwd = EXT2_ROOT_INO;
120 return;
121
122 errout:
123 retval = ext2fs_close(current_fs);
124 if (retval)
125 com_err(device, retval, "while trying to close filesystem");
126 current_fs = NULL;
127 }
128
129 void do_open_filesys(int argc, char **argv)
130 {
131 int c, err;
132 int catastrophic = 0;
133 blk64_t superblock = 0;
134 blk64_t blocksize = 0;
135 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
136 char *data_filename = 0;
137
138 reset_getopt();
139 while ((c = getopt (argc, argv, "iwfecb:s:d:D")) != EOF) {
140 switch (c) {
141 case 'i':
142 open_flags |= EXT2_FLAG_IMAGE_FILE;
143 break;
144 case 'w':
145 #ifdef READ_ONLY
146 goto print_usage;
147 #else
148 open_flags |= EXT2_FLAG_RW;
149 #endif /* READ_ONLY */
150 break;
151 case 'f':
152 open_flags |= EXT2_FLAG_FORCE;
153 break;
154 case 'e':
155 open_flags |= EXT2_FLAG_EXCLUSIVE;
156 break;
157 case 'c':
158 catastrophic = 1;
159 break;
160 case 'd':
161 data_filename = optarg;
162 break;
163 case 'D':
164 open_flags |= EXT2_FLAG_DIRECT_IO;
165 break;
166 case 'b':
167 blocksize = parse_ulong(optarg, argv[0],
168 "block size", &err);
169 if (err)
170 return;
171 break;
172 case 's':
173 err = strtoblk(argv[0], optarg,
174 "superblock block number", &superblock);
175 if (err)
176 return;
177 break;
178 default:
179 goto print_usage;
180 }
181 }
182 if (optind != argc-1) {
183 goto print_usage;
184 }
185 if (check_fs_not_open(argv[0]))
186 return;
187 open_filesystem(argv[optind], open_flags,
188 superblock, blocksize, catastrophic,
189 data_filename);
190 return;
191
192 print_usage:
193 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
194 "[-d image_filename] [-c] [-i] [-f] [-e] [-D] "
195 #ifndef READ_ONLY
196 "[-w] "
197 #endif
198 "<device>\n", argv[0]);
199 }
200
201 void do_lcd(int argc, char **argv)
202 {
203 if (argc != 2) {
204 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
205 return;
206 }
207
208 if (chdir(argv[1]) == -1) {
209 com_err(argv[0], errno,
210 "while trying to change native directory to %s",
211 argv[1]);
212 return;
213 }
214 }
215
216 static void close_filesystem(NOARGS)
217 {
218 int retval;
219
220 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
221 retval = ext2fs_write_inode_bitmap(current_fs);
222 if (retval)
223 com_err("ext2fs_write_inode_bitmap", retval, 0);
224 }
225 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
226 retval = ext2fs_write_block_bitmap(current_fs);
227 if (retval)
228 com_err("ext2fs_write_block_bitmap", retval, 0);
229 }
230 if (current_qctx)
231 quota_release_context(&current_qctx);
232 retval = ext2fs_close(current_fs);
233 if (retval)
234 com_err("ext2fs_close", retval, 0);
235 current_fs = NULL;
236 return;
237 }
238
239 void do_close_filesys(int argc, char **argv)
240 {
241 int c;
242
243 if (check_fs_open(argv[0]))
244 return;
245
246 reset_getopt();
247 while ((c = getopt (argc, argv, "a")) != EOF) {
248 switch (c) {
249 case 'a':
250 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
251 break;
252 default:
253 goto print_usage;
254 }
255 }
256
257 if (argc > optind) {
258 print_usage:
259 com_err(0, 0, "Usage: close_filesys [-a]");
260 return;
261 }
262
263 close_filesystem();
264 }
265
266 #ifndef READ_ONLY
267 void do_init_filesys(int argc, char **argv)
268 {
269 struct ext2_super_block param;
270 errcode_t retval;
271 int err;
272 blk64_t blocks;
273
274 if (common_args_process(argc, argv, 3, 3, "initialize",
275 "<device> <blocks>", CHECK_FS_NOTOPEN))
276 return;
277
278 memset(&param, 0, sizeof(struct ext2_super_block));
279 err = strtoblk(argv[0], argv[2], "blocks count", &blocks);
280 if (err)
281 return;
282 ext2fs_blocks_count_set(&param, blocks);
283 retval = ext2fs_initialize(argv[1], 0, &param,
284 unix_io_manager, &current_fs);
285 if (retval) {
286 com_err(argv[1], retval, "while initializing filesystem");
287 current_fs = NULL;
288 return;
289 }
290 root = cwd = EXT2_ROOT_INO;
291 return;
292 }
293
294 static void print_features(struct ext2_super_block * s, FILE *f)
295 {
296 int i, j, printed=0;
297 __u32 *mask = &s->s_feature_compat, m;
298
299 fputs("Filesystem features:", f);
300 for (i=0; i <3; i++,mask++) {
301 for (j=0,m=1; j < 32; j++, m<<=1) {
302 if (*mask & m) {
303 fprintf(f, " %s", e2p_feature2string(i, m));
304 printed++;
305 }
306 }
307 }
308 if (printed == 0)
309 fputs("(none)", f);
310 fputs("\n", f);
311 }
312 #endif /* READ_ONLY */
313
314 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
315 const char *str, int *first, FILE *f)
316 {
317 if (ext2fs_bg_flags_test(fs, group, mask)) {
318 if (*first) {
319 fputs(" [", f);
320 *first = 0;
321 } else
322 fputs(", ", f);
323 fputs(str, f);
324 }
325 }
326
327 void do_show_super_stats(int argc, char *argv[])
328 {
329 const char *units ="block";
330 dgrp_t i;
331 FILE *out;
332 int c, header_only = 0;
333 int numdirs = 0, first, gdt_csum;
334
335 reset_getopt();
336 while ((c = getopt (argc, argv, "h")) != EOF) {
337 switch (c) {
338 case 'h':
339 header_only++;
340 break;
341 default:
342 goto print_usage;
343 }
344 }
345 if (optind != argc) {
346 goto print_usage;
347 }
348 if (check_fs_open(argv[0]))
349 return;
350 out = open_pager();
351
352 if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
353 EXT4_FEATURE_RO_COMPAT_BIGALLOC))
354 units = "cluster";
355
356 list_super2(current_fs->super, out);
357 for (i=0; i < current_fs->group_desc_count; i++)
358 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
359 fprintf(out, "Directories: %d\n", numdirs);
360
361 if (header_only) {
362 close_pager(out);
363 return;
364 }
365
366 gdt_csum = ext2fs_has_group_desc_csum(current_fs);
367 for (i = 0; i < current_fs->group_desc_count; i++) {
368 fprintf(out, " Group %2d: block bitmap at %llu, "
369 "inode bitmap at %llu, "
370 "inode table at %llu\n"
371 " %u free %s%s, "
372 "%u free %s, "
373 "%u used %s%s",
374 i, ext2fs_block_bitmap_loc(current_fs, i),
375 ext2fs_inode_bitmap_loc(current_fs, i),
376 ext2fs_inode_table_loc(current_fs, i),
377 ext2fs_bg_free_blocks_count(current_fs, i), units,
378 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
379 "s" : "",
380 ext2fs_bg_free_inodes_count(current_fs, i),
381 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
382 "inodes" : "inode",
383 ext2fs_bg_used_dirs_count(current_fs, i),
384 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
385 : "directory", gdt_csum ? ", " : "\n");
386 if (gdt_csum)
387 fprintf(out, "%u unused %s\n",
388 ext2fs_bg_itable_unused(current_fs, i),
389 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
390 "inodes" : "inode");
391 first = 1;
392 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
393 &first, out);
394 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
395 &first, out);
396 if (gdt_csum) {
397 fprintf(out, "%sChecksum 0x%04x",
398 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
399 first = 0;
400 }
401 if (!first)
402 fputs("]\n", out);
403 }
404 close_pager(out);
405 return;
406 print_usage:
407 fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
408 }
409
410 #ifndef READ_ONLY
411 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
412 char **argv EXT2FS_ATTR((unused)))
413 {
414 if (check_fs_open(argv[0]))
415 return;
416 if (check_fs_read_write(argv[0]))
417 return;
418
419 if (argv[1] && !strcmp(argv[1], "-clean"))
420 current_fs->super->s_state |= EXT2_VALID_FS;
421 else
422 current_fs->super->s_state &= ~EXT2_VALID_FS;
423 ext2fs_mark_super_dirty(current_fs);
424 }
425 #endif /* READ_ONLY */
426
427 struct list_blocks_struct {
428 FILE *f;
429 e2_blkcnt_t total;
430 blk64_t first_block, last_block;
431 e2_blkcnt_t first_bcnt, last_bcnt;
432 e2_blkcnt_t first;
433 };
434
435 static void finish_range(struct list_blocks_struct *lb)
436 {
437 if (lb->first_block == 0)
438 return;
439 if (lb->first)
440 lb->first = 0;
441 else
442 fprintf(lb->f, ", ");
443 if (lb->first_block == lb->last_block)
444 fprintf(lb->f, "(%lld):%llu",
445 (long long)lb->first_bcnt, lb->first_block);
446 else
447 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
448 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
449 lb->first_block, lb->last_block);
450 lb->first_block = 0;
451 }
452
453 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
454 blk64_t *blocknr, e2_blkcnt_t blockcnt,
455 blk64_t ref_block EXT2FS_ATTR((unused)),
456 int ref_offset EXT2FS_ATTR((unused)),
457 void *private)
458 {
459 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
460
461 lb->total++;
462 if (blockcnt >= 0) {
463 /*
464 * See if we can add on to the existing range (if it exists)
465 */
466 if (lb->first_block &&
467 (lb->last_block+1 == *blocknr) &&
468 (lb->last_bcnt+1 == blockcnt)) {
469 lb->last_block = *blocknr;
470 lb->last_bcnt = blockcnt;
471 return 0;
472 }
473 /*
474 * Start a new range.
475 */
476 finish_range(lb);
477 lb->first_block = lb->last_block = *blocknr;
478 lb->first_bcnt = lb->last_bcnt = blockcnt;
479 return 0;
480 }
481 /*
482 * Not a normal block. Always force a new range.
483 */
484 finish_range(lb);
485 if (lb->first)
486 lb->first = 0;
487 else
488 fprintf(lb->f, ", ");
489 if (blockcnt == -1)
490 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
491 else if (blockcnt == -2)
492 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
493 else if (blockcnt == -3)
494 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
495 return 0;
496 }
497
498 static void internal_dump_inode_extra(FILE *out,
499 const char *prefix EXT2FS_ATTR((unused)),
500 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
501 struct ext2_inode_large *inode)
502 {
503 struct ext2_ext_attr_entry *entry;
504 __u32 *magic;
505 char *start, *end;
506 unsigned int storage_size;
507
508 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
509 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
510 EXT2_GOOD_OLD_INODE_SIZE) {
511 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
512 inode->i_extra_isize);
513 return;
514 }
515 }
516
517 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
518 {
519 struct list_blocks_struct lb;
520
521 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
522 lb.total = 0;
523 lb.first_block = 0;
524 lb.f = f;
525 lb.first = 1;
526 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
527 list_blocks_proc, (void *)&lb);
528 finish_range(&lb);
529 if (lb.total)
530 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
531 fprintf(f,"\n");
532 }
533
534 static int int_log10(unsigned long long arg)
535 {
536 int l = 0;
537
538 arg = arg / 10;
539 while (arg) {
540 l++;
541 arg = arg / 10;
542 }
543 return l;
544 }
545
546 #define DUMP_LEAF_EXTENTS 0x01
547 #define DUMP_NODE_EXTENTS 0x02
548 #define DUMP_EXTENT_TABLE 0x04
549
550 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
551 int flags, int logical_width, int physical_width)
552 {
553 ext2_extent_handle_t handle;
554 struct ext2fs_extent extent;
555 struct ext2_extent_info info;
556 int op = EXT2_EXTENT_ROOT;
557 unsigned int printed = 0;
558 errcode_t errcode;
559
560 errcode = ext2fs_extent_open(current_fs, ino, &handle);
561 if (errcode)
562 return;
563
564 if (flags & DUMP_EXTENT_TABLE)
565 fprintf(f, "Level Entries %*s %*s Length Flags\n",
566 (logical_width*2)+3, "Logical",
567 (physical_width*2)+3, "Physical");
568 else
569 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
570
571 while (1) {
572 errcode = ext2fs_extent_get(handle, op, &extent);
573
574 if (errcode)
575 break;
576
577 op = EXT2_EXTENT_NEXT;
578
579 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
580 continue;
581
582 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
583 if ((flags & DUMP_LEAF_EXTENTS) == 0)
584 continue;
585 } else {
586 if ((flags & DUMP_NODE_EXTENTS) == 0)
587 continue;
588 }
589
590 errcode = ext2fs_extent_get_info(handle, &info);
591 if (errcode)
592 continue;
593
594 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
595 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
596 continue;
597
598 if (flags & DUMP_EXTENT_TABLE) {
599 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
600 "%*llu%*s %6u\n",
601 info.curr_level, info.max_depth,
602 info.curr_entry, info.num_entries,
603 logical_width,
604 extent.e_lblk,
605 logical_width,
606 extent.e_lblk + (extent.e_len - 1),
607 physical_width,
608 extent.e_pblk,
609 physical_width+3, "", extent.e_len);
610 continue;
611 }
612
613 fprintf(f, "%s(ETB%d):%lld",
614 printed ? ", " : "", info.curr_level,
615 extent.e_pblk);
616 printed = 1;
617 continue;
618 }
619
620 if (flags & DUMP_EXTENT_TABLE) {
621 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
622 "%*llu - %*llu %6u %s\n",
623 info.curr_level, info.max_depth,
624 info.curr_entry, info.num_entries,
625 logical_width,
626 extent.e_lblk,
627 logical_width,
628 extent.e_lblk + (extent.e_len - 1),
629 physical_width,
630 extent.e_pblk,
631 physical_width,
632 extent.e_pblk + (extent.e_len - 1),
633 extent.e_len,
634 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
635 "Uninit" : "");
636 continue;
637 }
638
639 if (extent.e_len == 0)
640 continue;
641 else if (extent.e_len == 1)
642 fprintf(f,
643 "%s(%lld%s):%lld",
644 printed ? ", " : "",
645 extent.e_lblk,
646 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
647 "[u]" : "",
648 extent.e_pblk);
649 else
650 fprintf(f,
651 "%s(%lld-%lld%s):%lld-%lld",
652 printed ? ", " : "",
653 extent.e_lblk,
654 extent.e_lblk + (extent.e_len - 1),
655 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
656 "[u]" : "",
657 extent.e_pblk,
658 extent.e_pblk + (extent.e_len - 1));
659 printed = 1;
660 }
661 if (printed)
662 fprintf(f, "\n");
663 ext2fs_extent_free(handle);
664 }
665
666 static void dump_inline_data(FILE *out, const char *prefix, ext2_ino_t inode_num)
667 {
668 errcode_t retval;
669 size_t size;
670
671 retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
672 if (!retval)
673 fprintf(out, "%sSize of inline data: %zu", prefix, size);
674 }
675
676 void internal_dump_inode(FILE *out, const char *prefix,
677 ext2_ino_t inode_num, struct ext2_inode *inode,
678 int do_dump_blocks)
679 {
680 const char *i_type;
681 char frag, fsize;
682 int os = current_fs->super->s_creator_os;
683 struct ext2_inode_large *large_inode;
684 int is_large_inode = 0;
685
686 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
687 is_large_inode = 1;
688 large_inode = (struct ext2_inode_large *) inode;
689
690 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
691 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
692 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
693 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
694 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
695 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
696 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
697 else i_type = "bad type";
698 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
699 fprintf(out, "%sMode: %04o Flags: 0x%x\n",
700 prefix, inode->i_mode & 0777, inode->i_flags);
701 if (is_large_inode && large_inode->i_extra_isize >= 24) {
702 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
703 prefix, inode->i_generation, large_inode->i_version_hi,
704 inode->osd1.linux1.l_i_version);
705 } else {
706 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
707 inode->i_generation, inode->osd1.linux1.l_i_version);
708 }
709 fprintf(out, "%sUser: %5d Group: %5d Size: ",
710 prefix, inode_uid(*inode), inode_gid(*inode));
711 if (LINUX_S_ISREG(inode->i_mode))
712 fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
713 else
714 fprintf(out, "%d\n", inode->i_size);
715 if (os == EXT2_OS_HURD)
716 fprintf(out,
717 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
718 prefix,
719 inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
720 inode->osd1.hurd1.h_i_translator);
721 else
722 fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
723 prefix,
724 inode->i_file_acl | ((long long)
725 (inode->osd2.linux2.l_i_file_acl_high) << 32),
726 LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
727 if (os == EXT2_OS_LINUX)
728 fprintf(out, "%sLinks: %d Blockcount: %llu\n",
729 prefix, inode->i_links_count,
730 (((unsigned long long)
731 inode->osd2.linux2.l_i_blocks_hi << 32)) +
732 inode->i_blocks);
733 else
734 fprintf(out, "%sLinks: %d Blockcount: %u\n",
735 prefix, inode->i_links_count, inode->i_blocks);
736 switch (os) {
737 case EXT2_OS_HURD:
738 frag = inode->osd2.hurd2.h_i_frag;
739 fsize = inode->osd2.hurd2.h_i_fsize;
740 break;
741 default:
742 frag = fsize = 0;
743 }
744 fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
745 prefix, inode->i_faddr, frag, fsize);
746 if (is_large_inode && large_inode->i_extra_isize >= 24) {
747 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
748 inode->i_ctime, large_inode->i_ctime_extra,
749 time_to_string(inode->i_ctime));
750 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
751 inode->i_atime, large_inode->i_atime_extra,
752 time_to_string(inode->i_atime));
753 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
754 inode->i_mtime, large_inode->i_mtime_extra,
755 time_to_string(inode->i_mtime));
756 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
757 large_inode->i_crtime, large_inode->i_crtime_extra,
758 time_to_string(large_inode->i_crtime));
759 } else {
760 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
761 time_to_string(inode->i_ctime));
762 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
763 time_to_string(inode->i_atime));
764 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
765 time_to_string(inode->i_mtime));
766 }
767 if (inode->i_dtime)
768 fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
769 time_to_string(inode->i_dtime));
770 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
771 internal_dump_inode_extra(out, prefix, inode_num,
772 (struct ext2_inode_large *) inode);
773 dump_inode_attributes(out, inode_num);
774 if (current_fs->super->s_creator_os == EXT2_OS_LINUX &&
775 current_fs->super->s_feature_ro_compat &
776 EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) {
777 __u32 crc = inode->i_checksum_lo;
778 if (is_large_inode &&
779 large_inode->i_extra_isize >=
780 (offsetof(struct ext2_inode_large,
781 i_checksum_hi) -
782 EXT2_GOOD_OLD_INODE_SIZE))
783 crc |= ((__u32)large_inode->i_checksum_hi) << 16;
784 fprintf(out, "Inode checksum: 0x%08x\n", crc);
785 }
786
787 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
788 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
789 (int) inode->i_size, (char *)inode->i_block);
790 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
791 int major, minor;
792 const char *devnote;
793
794 if (inode->i_block[0]) {
795 major = (inode->i_block[0] >> 8) & 255;
796 minor = inode->i_block[0] & 255;
797 devnote = "";
798 } else {
799 major = (inode->i_block[1] & 0xfff00) >> 8;
800 minor = ((inode->i_block[1] & 0xff) |
801 ((inode->i_block[1] >> 12) & 0xfff00));
802 devnote = "(New-style) ";
803 }
804 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
805 devnote, major, minor, major, minor);
806 } else if (do_dump_blocks) {
807 if (inode->i_flags & EXT4_EXTENTS_FL)
808 dump_extents(out, prefix, inode_num,
809 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
810 else if (inode->i_flags & EXT4_INLINE_DATA_FL)
811 dump_inline_data(out, prefix, inode_num);
812 else
813 dump_blocks(out, prefix, inode_num);
814 }
815 }
816
817 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
818 {
819 FILE *out;
820
821 out = open_pager();
822 internal_dump_inode(out, "", inode_num, inode, 1);
823 close_pager(out);
824 }
825
826 void do_stat(int argc, char *argv[])
827 {
828 ext2_ino_t inode;
829 struct ext2_inode * inode_buf;
830
831 if (check_fs_open(argv[0]))
832 return;
833
834 inode_buf = (struct ext2_inode *)
835 malloc(EXT2_INODE_SIZE(current_fs->super));
836 if (!inode_buf) {
837 fprintf(stderr, "do_stat: can't allocate buffer\n");
838 return;
839 }
840
841 if (common_inode_args_process(argc, argv, &inode, 0)) {
842 free(inode_buf);
843 return;
844 }
845
846 if (debugfs_read_inode_full(inode, inode_buf, argv[0],
847 EXT2_INODE_SIZE(current_fs->super))) {
848 free(inode_buf);
849 return;
850 }
851
852 dump_inode(inode, inode_buf);
853 free(inode_buf);
854 return;
855 }
856
857 void do_dump_extents(int argc, char **argv)
858 {
859 struct ext2_inode inode;
860 ext2_ino_t ino;
861 FILE *out;
862 int c, flags = 0;
863 int logical_width;
864 int physical_width;
865
866 reset_getopt();
867 while ((c = getopt(argc, argv, "nl")) != EOF) {
868 switch (c) {
869 case 'n':
870 flags |= DUMP_NODE_EXTENTS;
871 break;
872 case 'l':
873 flags |= DUMP_LEAF_EXTENTS;
874 break;
875 }
876 }
877
878 if (argc != optind + 1) {
879 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
880 return;
881 }
882
883 if (flags == 0)
884 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
885 flags |= DUMP_EXTENT_TABLE;
886
887 if (check_fs_open(argv[0]))
888 return;
889
890 ino = string_to_inode(argv[optind]);
891 if (ino == 0)
892 return;
893
894 if (debugfs_read_inode(ino, &inode, argv[0]))
895 return;
896
897 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
898 fprintf(stderr, "%s: does not uses extent block maps\n",
899 argv[optind]);
900 return;
901 }
902
903 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
904 current_fs->blocksize) + 1;
905 if (logical_width < 5)
906 logical_width = 5;
907 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
908 if (physical_width < 5)
909 physical_width = 5;
910
911 out = open_pager();
912 dump_extents(out, "", ino, flags, logical_width, physical_width);
913 close_pager(out);
914 return;
915 }
916
917 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
918 blk64_t *blocknr,
919 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
920 blk64_t ref_block EXT2FS_ATTR((unused)),
921 int ref_offset EXT2FS_ATTR((unused)),
922 void *private EXT2FS_ATTR((unused)))
923 {
924 printf("%llu ", *blocknr);
925 return 0;
926 }
927
928 void do_blocks(int argc, char *argv[])
929 {
930 ext2_ino_t inode;
931
932 if (check_fs_open(argv[0]))
933 return;
934
935 if (common_inode_args_process(argc, argv, &inode, 0)) {
936 return;
937 }
938
939 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
940 print_blocks_proc, NULL);
941 fputc('\n', stdout);
942 return;
943 }
944
945 void do_chroot(int argc, char *argv[])
946 {
947 ext2_ino_t inode;
948 int retval;
949
950 if (common_inode_args_process(argc, argv, &inode, 0))
951 return;
952
953 retval = ext2fs_check_directory(current_fs, inode);
954 if (retval) {
955 com_err(argv[1], retval, 0);
956 return;
957 }
958 root = inode;
959 }
960
961 #ifndef READ_ONLY
962 void do_clri(int argc, char *argv[])
963 {
964 ext2_ino_t inode;
965 struct ext2_inode inode_buf;
966
967 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
968 return;
969
970 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
971 return;
972 memset(&inode_buf, 0, sizeof(inode_buf));
973 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
974 return;
975 }
976
977 void do_freei(int argc, char *argv[])
978 {
979 unsigned int len = 1;
980 int err = 0;
981 ext2_ino_t inode;
982
983 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
984 CHECK_FS_RW | CHECK_FS_BITMAPS))
985 return;
986 if (check_fs_read_write(argv[0]))
987 return;
988
989 inode = string_to_inode(argv[1]);
990 if (!inode)
991 return;
992
993 if (argc == 3) {
994 len = parse_ulong(argv[2], argv[0], "length", &err);
995 if (err)
996 return;
997 }
998
999 if (len == 1 &&
1000 !ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1001 com_err(argv[0], 0, "Warning: inode already clear");
1002 while (len-- > 0)
1003 ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode++);
1004 ext2fs_mark_ib_dirty(current_fs);
1005 }
1006
1007 void do_seti(int argc, char *argv[])
1008 {
1009 unsigned int len = 1;
1010 int err = 0;
1011 ext2_ino_t inode;
1012
1013 if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1014 CHECK_FS_RW | CHECK_FS_BITMAPS))
1015 return;
1016 if (check_fs_read_write(argv[0]))
1017 return;
1018
1019 inode = string_to_inode(argv[1]);
1020 if (!inode)
1021 return;
1022
1023 if (argc == 3) {
1024 len = parse_ulong(argv[2], argv[0], "length", &err);
1025 if (err)
1026 return;
1027 }
1028
1029 if ((len == 1) &&
1030 ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1031 com_err(argv[0], 0, "Warning: inode already set");
1032 while (len-- > 0)
1033 ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++);
1034 ext2fs_mark_ib_dirty(current_fs);
1035 }
1036 #endif /* READ_ONLY */
1037
1038 void do_testi(int argc, char *argv[])
1039 {
1040 ext2_ino_t inode;
1041
1042 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1043 return;
1044
1045 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1046 printf("Inode %u is marked in use\n", inode);
1047 else
1048 printf("Inode %u is not in use\n", inode);
1049 }
1050
1051 #ifndef READ_ONLY
1052 void do_freeb(int argc, char *argv[])
1053 {
1054 blk64_t block;
1055 blk64_t count = 1;
1056
1057 if (common_block_args_process(argc, argv, &block, &count))
1058 return;
1059 if (check_fs_read_write(argv[0]))
1060 return;
1061 while (count-- > 0) {
1062 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1063 com_err(argv[0], 0, "Warning: block %llu already clear",
1064 block);
1065 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1066 block++;
1067 }
1068 ext2fs_mark_bb_dirty(current_fs);
1069 }
1070
1071 void do_setb(int argc, char *argv[])
1072 {
1073 blk64_t block;
1074 blk64_t count = 1;
1075
1076 if (common_block_args_process(argc, argv, &block, &count))
1077 return;
1078 if (check_fs_read_write(argv[0]))
1079 return;
1080 while (count-- > 0) {
1081 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1082 com_err(argv[0], 0, "Warning: block %llu already set",
1083 block);
1084 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1085 block++;
1086 }
1087 ext2fs_mark_bb_dirty(current_fs);
1088 }
1089 #endif /* READ_ONLY */
1090
1091 void do_testb(int argc, char *argv[])
1092 {
1093 blk64_t block;
1094 blk64_t count = 1;
1095
1096 if (common_block_args_process(argc, argv, &block, &count))
1097 return;
1098 while (count-- > 0) {
1099 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1100 printf("Block %llu marked in use\n", block);
1101 else
1102 printf("Block %llu not in use\n", block);
1103 block++;
1104 }
1105 }
1106
1107 #ifndef READ_ONLY
1108 static void modify_u8(char *com, const char *prompt,
1109 const char *format, __u8 *val)
1110 {
1111 char buf[200];
1112 unsigned long v;
1113 char *tmp;
1114
1115 sprintf(buf, format, *val);
1116 printf("%30s [%s] ", prompt, buf);
1117 if (!fgets(buf, sizeof(buf), stdin))
1118 return;
1119 if (buf[strlen (buf) - 1] == '\n')
1120 buf[strlen (buf) - 1] = '\0';
1121 if (!buf[0])
1122 return;
1123 v = strtoul(buf, &tmp, 0);
1124 if (*tmp)
1125 com_err(com, 0, "Bad value - %s", buf);
1126 else
1127 *val = v;
1128 }
1129
1130 static void modify_u16(char *com, const char *prompt,
1131 const char *format, __u16 *val)
1132 {
1133 char buf[200];
1134 unsigned long v;
1135 char *tmp;
1136
1137 sprintf(buf, format, *val);
1138 printf("%30s [%s] ", prompt, buf);
1139 if (!fgets(buf, sizeof(buf), stdin))
1140 return;
1141 if (buf[strlen (buf) - 1] == '\n')
1142 buf[strlen (buf) - 1] = '\0';
1143 if (!buf[0])
1144 return;
1145 v = strtoul(buf, &tmp, 0);
1146 if (*tmp)
1147 com_err(com, 0, "Bad value - %s", buf);
1148 else
1149 *val = v;
1150 }
1151
1152 static void modify_u32(char *com, const char *prompt,
1153 const char *format, __u32 *val)
1154 {
1155 char buf[200];
1156 unsigned long v;
1157 char *tmp;
1158
1159 sprintf(buf, format, *val);
1160 printf("%30s [%s] ", prompt, buf);
1161 if (!fgets(buf, sizeof(buf), stdin))
1162 return;
1163 if (buf[strlen (buf) - 1] == '\n')
1164 buf[strlen (buf) - 1] = '\0';
1165 if (!buf[0])
1166 return;
1167 v = strtoul(buf, &tmp, 0);
1168 if (*tmp)
1169 com_err(com, 0, "Bad value - %s", buf);
1170 else
1171 *val = v;
1172 }
1173
1174
1175 void do_modify_inode(int argc, char *argv[])
1176 {
1177 struct ext2_inode inode;
1178 ext2_ino_t inode_num;
1179 int i;
1180 unsigned char *frag, *fsize;
1181 char buf[80];
1182 int os;
1183 const char *hex_format = "0x%x";
1184 const char *octal_format = "0%o";
1185 const char *decimal_format = "%d";
1186 const char *unsignedlong_format = "%lu";
1187
1188 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1189 return;
1190
1191 os = current_fs->super->s_creator_os;
1192
1193 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1194 return;
1195
1196 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1197 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1198 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1199 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1200 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1201 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1202 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1203 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1204 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1205 if (os == EXT2_OS_LINUX)
1206 modify_u16(argv[0], "Block count high", unsignedlong_format,
1207 &inode.osd2.linux2.l_i_blocks_hi);
1208 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1209 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1210 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1211 #if 0
1212 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1213 #endif
1214 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1215 if (LINUX_S_ISDIR(inode.i_mode))
1216 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1217 else
1218 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1219
1220 if (os == EXT2_OS_HURD)
1221 modify_u32(argv[0], "Translator Block",
1222 decimal_format, &inode.osd1.hurd1.h_i_translator);
1223
1224 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1225 switch (os) {
1226 case EXT2_OS_HURD:
1227 frag = &inode.osd2.hurd2.h_i_frag;
1228 fsize = &inode.osd2.hurd2.h_i_fsize;
1229 break;
1230 default:
1231 frag = fsize = 0;
1232 }
1233 if (frag)
1234 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1235 if (fsize)
1236 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1237
1238 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1239 sprintf(buf, "Direct Block #%d", i);
1240 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1241 }
1242 modify_u32(argv[0], "Indirect Block", decimal_format,
1243 &inode.i_block[EXT2_IND_BLOCK]);
1244 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1245 &inode.i_block[EXT2_DIND_BLOCK]);
1246 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1247 &inode.i_block[EXT2_TIND_BLOCK]);
1248 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1249 return;
1250 }
1251 #endif /* READ_ONLY */
1252
1253 void do_change_working_dir(int argc, char *argv[])
1254 {
1255 ext2_ino_t inode;
1256 int retval;
1257
1258 if (common_inode_args_process(argc, argv, &inode, 0))
1259 return;
1260
1261 retval = ext2fs_check_directory(current_fs, inode);
1262 if (retval) {
1263 com_err(argv[1], retval, 0);
1264 return;
1265 }
1266 cwd = inode;
1267 return;
1268 }
1269
1270 void do_print_working_directory(int argc, char *argv[])
1271 {
1272 int retval;
1273 char *pathname = NULL;
1274
1275 if (common_args_process(argc, argv, 1, 1,
1276 "print_working_directory", "", 0))
1277 return;
1278
1279 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1280 if (retval) {
1281 com_err(argv[0], retval,
1282 "while trying to get pathname of cwd");
1283 }
1284 printf("[pwd] INODE: %6u PATH: %s\n",
1285 cwd, pathname ? pathname : "NULL");
1286 if (pathname) {
1287 free(pathname);
1288 pathname = NULL;
1289 }
1290 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1291 if (retval) {
1292 com_err(argv[0], retval,
1293 "while trying to get pathname of root");
1294 }
1295 printf("[root] INODE: %6u PATH: %s\n",
1296 root, pathname ? pathname : "NULL");
1297 if (pathname) {
1298 free(pathname);
1299 pathname = NULL;
1300 }
1301 return;
1302 }
1303
1304 #ifndef READ_ONLY
1305 static void make_link(char *sourcename, char *destname)
1306 {
1307 ext2_ino_t ino;
1308 struct ext2_inode inode;
1309 int retval;
1310 ext2_ino_t dir;
1311 char *dest, *cp, *base_name;
1312
1313 /*
1314 * Get the source inode
1315 */
1316 ino = string_to_inode(sourcename);
1317 if (!ino)
1318 return;
1319 base_name = strrchr(sourcename, '/');
1320 if (base_name)
1321 base_name++;
1322 else
1323 base_name = sourcename;
1324 /*
1325 * Figure out the destination. First see if it exists and is
1326 * a directory.
1327 */
1328 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1329 dest = base_name;
1330 else {
1331 /*
1332 * OK, it doesn't exist. See if it is
1333 * '<dir>/basename' or 'basename'
1334 */
1335 cp = strrchr(destname, '/');
1336 if (cp) {
1337 *cp = 0;
1338 dir = string_to_inode(destname);
1339 if (!dir)
1340 return;
1341 dest = cp+1;
1342 } else {
1343 dir = cwd;
1344 dest = destname;
1345 }
1346 }
1347
1348 if (debugfs_read_inode(ino, &inode, sourcename))
1349 return;
1350
1351 retval = ext2fs_link(current_fs, dir, dest, ino,
1352 ext2_file_type(inode.i_mode));
1353 if (retval)
1354 com_err("make_link", retval, 0);
1355 return;
1356 }
1357
1358
1359 void do_link(int argc, char *argv[])
1360 {
1361 if (common_args_process(argc, argv, 3, 3, "link",
1362 "<source file> <dest_name>", CHECK_FS_RW))
1363 return;
1364
1365 make_link(argv[1], argv[2]);
1366 }
1367
1368 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1369 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1370 blk64_t ref_block EXT2FS_ATTR((unused)),
1371 int ref_offset EXT2FS_ATTR((unused)),
1372 void *private EXT2FS_ATTR((unused)))
1373 {
1374 blk64_t block;
1375
1376 block = *blocknr;
1377 ext2fs_block_alloc_stats2(fs, block, +1);
1378 return 0;
1379 }
1380
1381 void do_undel(int argc, char *argv[])
1382 {
1383 ext2_ino_t ino;
1384 struct ext2_inode inode;
1385
1386 if (common_args_process(argc, argv, 2, 3, "undelete",
1387 "<inode_num> [dest_name]",
1388 CHECK_FS_RW | CHECK_FS_BITMAPS))
1389 return;
1390
1391 ino = string_to_inode(argv[1]);
1392 if (!ino)
1393 return;
1394
1395 if (debugfs_read_inode(ino, &inode, argv[1]))
1396 return;
1397
1398 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1399 com_err(argv[1], 0, "Inode is not marked as deleted");
1400 return;
1401 }
1402
1403 /*
1404 * XXX this function doesn't handle changing the links count on the
1405 * parent directory when undeleting a directory.
1406 */
1407 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1408 inode.i_dtime = 0;
1409
1410 if (debugfs_write_inode(ino, &inode, argv[0]))
1411 return;
1412
1413 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1414 mark_blocks_proc, NULL);
1415
1416 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1417
1418 if (argc > 2)
1419 make_link(argv[1], argv[2]);
1420 }
1421
1422 static void unlink_file_by_name(char *filename)
1423 {
1424 int retval;
1425 ext2_ino_t dir;
1426 char *base_name;
1427
1428 base_name = strrchr(filename, '/');
1429 if (base_name) {
1430 *base_name++ = '\0';
1431 dir = string_to_inode(filename);
1432 if (!dir)
1433 return;
1434 } else {
1435 dir = cwd;
1436 base_name = filename;
1437 }
1438 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1439 if (retval)
1440 com_err("unlink_file_by_name", retval, 0);
1441 return;
1442 }
1443
1444 void do_unlink(int argc, char *argv[])
1445 {
1446 if (common_args_process(argc, argv, 2, 2, "link",
1447 "<pathname>", CHECK_FS_RW))
1448 return;
1449
1450 unlink_file_by_name(argv[1]);
1451 }
1452 #endif /* READ_ONLY */
1453
1454 void do_find_free_block(int argc, char *argv[])
1455 {
1456 blk64_t free_blk, goal, first_free = 0;
1457 int count;
1458 errcode_t retval;
1459 char *tmp;
1460
1461 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1462 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1463 return;
1464 }
1465 if (check_fs_open(argv[0]))
1466 return;
1467
1468 if (argc > 1) {
1469 count = strtol(argv[1],&tmp,0);
1470 if (*tmp) {
1471 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1472 return;
1473 }
1474 } else
1475 count = 1;
1476
1477 if (argc > 2) {
1478 goal = strtol(argv[2], &tmp, 0);
1479 if (*tmp) {
1480 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1481 return;
1482 }
1483 }
1484 else
1485 goal = current_fs->super->s_first_data_block;
1486
1487 printf("Free blocks found: ");
1488 free_blk = goal - 1;
1489 while (count-- > 0) {
1490 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1491 &free_blk);
1492 if (first_free) {
1493 if (first_free == free_blk)
1494 break;
1495 } else
1496 first_free = free_blk;
1497 if (retval) {
1498 com_err("ext2fs_new_block", retval, 0);
1499 return;
1500 } else
1501 printf("%llu ", free_blk);
1502 }
1503 printf("\n");
1504 }
1505
1506 void do_find_free_inode(int argc, char *argv[])
1507 {
1508 ext2_ino_t free_inode, dir;
1509 int mode;
1510 int retval;
1511 char *tmp;
1512
1513 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1514 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1515 return;
1516 }
1517 if (check_fs_open(argv[0]))
1518 return;
1519
1520 if (argc > 1) {
1521 dir = strtol(argv[1], &tmp, 0);
1522 if (*tmp) {
1523 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1524 return;
1525 }
1526 }
1527 else
1528 dir = root;
1529 if (argc > 2) {
1530 mode = strtol(argv[2], &tmp, 0);
1531 if (*tmp) {
1532 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1533 return;
1534 }
1535 } else
1536 mode = 010755;
1537
1538 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1539 if (retval)
1540 com_err("ext2fs_new_inode", retval, 0);
1541 else
1542 printf("Free inode found: %u\n", free_inode);
1543 }
1544
1545 #ifndef READ_ONLY
1546 void do_write(int argc, char *argv[])
1547 {
1548 errcode_t retval;
1549
1550 if (common_args_process(argc, argv, 3, 3, "write",
1551 "<native file> <new file>", CHECK_FS_RW))
1552 return;
1553
1554 retval = do_write_internal(current_fs, cwd, argv[1], argv[2], root);
1555 if (retval)
1556 com_err(argv[0], retval, 0);
1557 }
1558
1559 void do_mknod(int argc, char *argv[])
1560 {
1561 unsigned long mode, major, minor;
1562 errcode_t retval;
1563 int filetype, nr;
1564 struct stat st;
1565
1566 if (check_fs_open(argv[0]))
1567 return;
1568 if (argc < 3 || argv[2][1]) {
1569 usage:
1570 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1571 return;
1572 }
1573
1574 mode = minor = major = 0;
1575 switch (argv[2][0]) {
1576 case 'p':
1577 st.st_mode = S_IFIFO;
1578 nr = 3;
1579 break;
1580 case 'c':
1581 st.st_mode = S_IFCHR;
1582 nr = 5;
1583 break;
1584 case 'b':
1585 st.st_mode = S_IFBLK;
1586 nr = 5;
1587 break;
1588 default:
1589 nr = 0;
1590 }
1591
1592 if (nr == 5) {
1593 major = strtoul(argv[3], argv+3, 0);
1594 minor = strtoul(argv[4], argv+4, 0);
1595 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1596 nr = 0;
1597 }
1598
1599 if (argc != nr)
1600 goto usage;
1601
1602 st.st_rdev = makedev(major, minor);
1603 retval = do_mknod_internal(current_fs, cwd, argv[1], &st);
1604 if (retval)
1605 com_err(argv[0], retval, 0);
1606 }
1607
1608 void do_mkdir(int argc, char *argv[])
1609 {
1610 errcode_t retval;
1611
1612 if (common_args_process(argc, argv, 2, 2, "mkdir",
1613 "<filename>", CHECK_FS_RW))
1614 return;
1615
1616 retval = do_mkdir_internal(current_fs, cwd, argv[1], NULL, root);
1617 if (retval)
1618 com_err(argv[0], retval, 0);
1619
1620 }
1621
1622 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1623 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1624 blk64_t ref_block EXT2FS_ATTR((unused)),
1625 int ref_offset EXT2FS_ATTR((unused)),
1626 void *private EXT2FS_ATTR((unused)))
1627 {
1628 blk64_t block;
1629
1630 block = *blocknr;
1631 ext2fs_block_alloc_stats2(fs, block, -1);
1632 return 0;
1633 }
1634
1635 static void kill_file_by_inode(ext2_ino_t inode)
1636 {
1637 struct ext2_inode inode_buf;
1638
1639 if (debugfs_read_inode(inode, &inode_buf, 0))
1640 return;
1641 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1642 if (debugfs_write_inode(inode, &inode_buf, 0))
1643 return;
1644 if (ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf)) {
1645 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY,
1646 NULL, release_blocks_proc, NULL);
1647 }
1648 printf("\n");
1649 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1650 LINUX_S_ISDIR(inode_buf.i_mode));
1651 }
1652
1653
1654 void do_kill_file(int argc, char *argv[])
1655 {
1656 ext2_ino_t inode_num;
1657
1658 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1659 return;
1660
1661 kill_file_by_inode(inode_num);
1662 }
1663
1664 void do_rm(int argc, char *argv[])
1665 {
1666 int retval;
1667 ext2_ino_t inode_num;
1668 struct ext2_inode inode;
1669
1670 if (common_args_process(argc, argv, 2, 2, "rm",
1671 "<filename>", CHECK_FS_RW))
1672 return;
1673
1674 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1675 if (retval) {
1676 com_err(argv[0], retval, "while trying to resolve filename");
1677 return;
1678 }
1679
1680 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1681 return;
1682
1683 if (LINUX_S_ISDIR(inode.i_mode)) {
1684 com_err(argv[0], 0, "file is a directory");
1685 return;
1686 }
1687
1688 --inode.i_links_count;
1689 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1690 return;
1691
1692 unlink_file_by_name(argv[1]);
1693 if (inode.i_links_count == 0)
1694 kill_file_by_inode(inode_num);
1695 }
1696
1697 struct rd_struct {
1698 ext2_ino_t parent;
1699 int empty;
1700 };
1701
1702 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1703 int entry EXT2FS_ATTR((unused)),
1704 struct ext2_dir_entry *dirent,
1705 int offset EXT2FS_ATTR((unused)),
1706 int blocksize EXT2FS_ATTR((unused)),
1707 char *buf EXT2FS_ATTR((unused)),
1708 void *private)
1709 {
1710 struct rd_struct *rds = (struct rd_struct *) private;
1711
1712 if (dirent->inode == 0)
1713 return 0;
1714 if ((ext2fs_dirent_name_len(dirent) == 1) && (dirent->name[0] == '.'))
1715 return 0;
1716 if ((ext2fs_dirent_name_len(dirent) == 2) && (dirent->name[0] == '.') &&
1717 (dirent->name[1] == '.')) {
1718 rds->parent = dirent->inode;
1719 return 0;
1720 }
1721 rds->empty = 0;
1722 return 0;
1723 }
1724
1725 void do_rmdir(int argc, char *argv[])
1726 {
1727 int retval;
1728 ext2_ino_t inode_num;
1729 struct ext2_inode inode;
1730 struct rd_struct rds;
1731
1732 if (common_args_process(argc, argv, 2, 2, "rmdir",
1733 "<filename>", CHECK_FS_RW))
1734 return;
1735
1736 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1737 if (retval) {
1738 com_err(argv[0], retval, "while trying to resolve filename");
1739 return;
1740 }
1741
1742 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1743 return;
1744
1745 if (!LINUX_S_ISDIR(inode.i_mode)) {
1746 com_err(argv[0], 0, "file is not a directory");
1747 return;
1748 }
1749
1750 rds.parent = 0;
1751 rds.empty = 1;
1752
1753 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1754 0, rmdir_proc, &rds);
1755 if (retval) {
1756 com_err(argv[0], retval, "while iterating over directory");
1757 return;
1758 }
1759 if (rds.empty == 0) {
1760 com_err(argv[0], 0, "directory not empty");
1761 return;
1762 }
1763
1764 inode.i_links_count = 0;
1765 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1766 return;
1767
1768 unlink_file_by_name(argv[1]);
1769 kill_file_by_inode(inode_num);
1770
1771 if (rds.parent) {
1772 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1773 return;
1774 if (inode.i_links_count > 1)
1775 inode.i_links_count--;
1776 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1777 return;
1778 }
1779 }
1780 #endif /* READ_ONLY */
1781
1782 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1783 char *argv[] EXT2FS_ATTR((unused)))
1784 {
1785 if (current_fs)
1786 printf("Open mode: read-%s\n",
1787 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1788 printf("Filesystem in use: %s\n",
1789 current_fs ? current_fs->device_name : "--none--");
1790 }
1791
1792 #ifndef READ_ONLY
1793 void do_expand_dir(int argc, char *argv[])
1794 {
1795 ext2_ino_t inode;
1796 int retval;
1797
1798 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1799 return;
1800
1801 retval = ext2fs_expand_dir(current_fs, inode);
1802 if (retval)
1803 com_err("ext2fs_expand_dir", retval, 0);
1804 return;
1805 }
1806
1807 void do_features(int argc, char *argv[])
1808 {
1809 int i;
1810
1811 if (check_fs_open(argv[0]))
1812 return;
1813
1814 if ((argc != 1) && check_fs_read_write(argv[0]))
1815 return;
1816 for (i=1; i < argc; i++) {
1817 if (e2p_edit_feature(argv[i],
1818 &current_fs->super->s_feature_compat, 0))
1819 com_err(argv[0], 0, "Unknown feature: %s\n",
1820 argv[i]);
1821 else
1822 ext2fs_mark_super_dirty(current_fs);
1823 }
1824 print_features(current_fs->super, stdout);
1825 }
1826 #endif /* READ_ONLY */
1827
1828 void do_bmap(int argc, char *argv[])
1829 {
1830 ext2_ino_t ino;
1831 blk64_t blk, pblk;
1832 int err;
1833 errcode_t errcode;
1834
1835 if (common_args_process(argc, argv, 3, 3, argv[0],
1836 "<file> logical_blk", 0))
1837 return;
1838
1839 ino = string_to_inode(argv[1]);
1840 if (!ino)
1841 return;
1842 err = strtoblk(argv[0], argv[2], "logical block", &blk);
1843 if (err)
1844 return;
1845
1846 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
1847 if (errcode) {
1848 com_err(argv[0], errcode,
1849 "while mapping logical block %llu\n", blk);
1850 return;
1851 }
1852 printf("%llu\n", pblk);
1853 }
1854
1855 void do_imap(int argc, char *argv[])
1856 {
1857 ext2_ino_t ino;
1858 unsigned long group, block, block_nr, offset;
1859
1860 if (common_args_process(argc, argv, 2, 2, argv[0],
1861 "<file>", 0))
1862 return;
1863 ino = string_to_inode(argv[1]);
1864 if (!ino)
1865 return;
1866
1867 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
1868 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
1869 EXT2_INODE_SIZE(current_fs->super);
1870 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
1871 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
1872 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
1873 group);
1874 return;
1875 }
1876 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
1877 block;
1878 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
1879
1880 printf("Inode %d is part of block group %lu\n"
1881 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
1882 block_nr, offset);
1883
1884 }
1885
1886 #ifndef READ_ONLY
1887 void do_set_current_time(int argc, char *argv[])
1888 {
1889 time_t now;
1890
1891 if (common_args_process(argc, argv, 2, 2, argv[0],
1892 "<time>", 0))
1893 return;
1894
1895 now = string_to_time(argv[1]);
1896 if (now == ((time_t) -1)) {
1897 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
1898 argv[1]);
1899 return;
1900
1901 } else {
1902 printf("Setting current time to %s\n", time_to_string(now));
1903 current_fs->now = now;
1904 }
1905 }
1906 #endif /* READ_ONLY */
1907
1908 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
1909 {
1910 int compat, bit, ret;
1911 unsigned int feature_mask;
1912
1913 if (name) {
1914 if (feature_type == E2P_FS_FEATURE)
1915 ret = e2p_string2feature(name, &compat, &feature_mask);
1916 else
1917 ret = e2p_jrnl_string2feature(name, &compat,
1918 &feature_mask);
1919 if (ret)
1920 return ret;
1921
1922 if (!(supp[compat] & feature_mask))
1923 return 1;
1924 } else {
1925 for (compat = 0; compat < 3; compat++) {
1926 for (bit = 0, feature_mask = 1; bit < 32;
1927 bit++, feature_mask <<= 1) {
1928 if (supp[compat] & feature_mask) {
1929 if (feature_type == E2P_FS_FEATURE)
1930 fprintf(stdout, " %s",
1931 e2p_feature2string(compat,
1932 feature_mask));
1933 else
1934 fprintf(stdout, " %s",
1935 e2p_jrnl_feature2string(compat,
1936 feature_mask));
1937 }
1938 }
1939 }
1940 fprintf(stdout, "\n");
1941 }
1942
1943 return 0;
1944 }
1945
1946 void do_supported_features(int argc, char *argv[])
1947 {
1948 int ret;
1949 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
1950 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
1951 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
1952 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
1953 JFS_KNOWN_INCOMPAT_FEATURES,
1954 JFS_KNOWN_ROCOMPAT_FEATURES };
1955
1956 if (argc > 1) {
1957 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
1958 if (ret) {
1959 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
1960 argv[1]);
1961 }
1962 if (ret)
1963 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
1964 else
1965 fprintf(stdout, "Supported feature: %s\n", argv[1]);
1966 } else {
1967 fprintf(stdout, "Supported features:");
1968 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
1969 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
1970 }
1971 }
1972
1973 #ifndef READ_ONLY
1974 void do_punch(int argc, char *argv[])
1975 {
1976 ext2_ino_t ino;
1977 blk64_t start, end;
1978 int err;
1979 errcode_t errcode;
1980
1981 if (common_args_process(argc, argv, 3, 4, argv[0],
1982 "<file> start_blk [end_blk]",
1983 CHECK_FS_RW | CHECK_FS_BITMAPS))
1984 return;
1985
1986 ino = string_to_inode(argv[1]);
1987 if (!ino)
1988 return;
1989 err = strtoblk(argv[0], argv[2], "logical block", &start);
1990 if (err)
1991 return;
1992 if (argc == 4) {
1993 err = strtoblk(argv[0], argv[3], "logical block", &end);
1994 if (err)
1995 return;
1996 } else
1997 end = ~0;
1998
1999 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2000
2001 if (errcode) {
2002 com_err(argv[0], errcode,
2003 "while truncating inode %u from %llu to %llu\n", ino,
2004 (unsigned long long) start, (unsigned long long) end);
2005 return;
2006 }
2007 }
2008 #endif /* READ_ONLY */
2009
2010 void do_symlink(int argc, char *argv[])
2011 {
2012 errcode_t retval;
2013
2014 if (common_args_process(argc, argv, 3, 3, "symlink",
2015 "<filename> <target>", CHECK_FS_RW))
2016 return;
2017
2018 retval = do_symlink_internal(current_fs, cwd, argv[1], argv[2], root);
2019 if (retval)
2020 com_err(argv[0], retval, 0);
2021
2022 }
2023
2024 void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[])
2025 {
2026 #if CONFIG_MMP
2027 struct ext2_super_block *sb;
2028 struct mmp_struct *mmp_s;
2029 time_t t;
2030 errcode_t retval = 0;
2031
2032 if (check_fs_open(argv[0]))
2033 return;
2034
2035 sb = current_fs->super;
2036
2037 if (current_fs->mmp_buf == NULL) {
2038 retval = ext2fs_get_mem(current_fs->blocksize,
2039 &current_fs->mmp_buf);
2040 if (retval) {
2041 com_err(argv[0], retval, "allocating MMP buffer.\n");
2042 return;
2043 }
2044 }
2045
2046 mmp_s = current_fs->mmp_buf;
2047
2048 retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block,
2049 current_fs->mmp_buf);
2050 if (retval) {
2051 com_err(argv[0], retval, "reading MMP block.\n");
2052 return;
2053 }
2054
2055 t = mmp_s->mmp_time;
2056 fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
2057 fprintf(stdout, "update_interval: %d\n",
2058 current_fs->super->s_mmp_update_interval);
2059 fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2060 fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2061 fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
2062 fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
2063 fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
2064 fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
2065 fprintf(stdout, "checksum: 0x%08x\n", mmp_s->mmp_checksum);
2066 #else
2067 fprintf(stdout, "MMP is unsupported, please recompile with "
2068 "--enable-mmp\n");
2069 #endif
2070 }
2071
2072 static int source_file(const char *cmd_file, int ss_idx)
2073 {
2074 FILE *f;
2075 char buf[BUFSIZ];
2076 char *cp;
2077 int exit_status = 0;
2078 int retval;
2079
2080 if (strcmp(cmd_file, "-") == 0)
2081 f = stdin;
2082 else {
2083 f = fopen(cmd_file, "r");
2084 if (!f) {
2085 perror(cmd_file);
2086 exit(1);
2087 }
2088 }
2089 fflush(stdout);
2090 fflush(stderr);
2091 setbuf(stdout, NULL);
2092 setbuf(stderr, NULL);
2093 while (!feof(f)) {
2094 if (fgets(buf, sizeof(buf), f) == NULL)
2095 break;
2096 cp = strchr(buf, '\n');
2097 if (cp)
2098 *cp = 0;
2099 cp = strchr(buf, '\r');
2100 if (cp)
2101 *cp = 0;
2102 printf("debugfs: %s\n", buf);
2103 retval = ss_execute_line(ss_idx, buf);
2104 if (retval) {
2105 ss_perror(ss_idx, retval, buf);
2106 exit_status++;
2107 }
2108 }
2109 if (f != stdin)
2110 fclose(f);
2111 return exit_status;
2112 }
2113
2114 int main(int argc, char **argv)
2115 {
2116 int retval;
2117 const char *usage =
2118 "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
2119 "[-R request] [-V] ["
2120 #ifndef READ_ONLY
2121 "[-w] "
2122 #endif
2123 "[-c] device]";
2124 int c;
2125 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2126 char *request = 0;
2127 int exit_status = 0;
2128 char *cmd_file = 0;
2129 blk64_t superblock = 0;
2130 blk64_t blocksize = 0;
2131 int catastrophic = 0;
2132 char *data_filename = 0;
2133 #ifdef READ_ONLY
2134 const char *opt_string = "nicR:f:b:s:Vd:D";
2135 #else
2136 const char *opt_string = "niwcR:f:b:s:Vd:D";
2137 #endif
2138
2139 if (debug_prog_name == 0)
2140 #ifdef READ_ONLY
2141 debug_prog_name = "rdebugfs";
2142 #else
2143 debug_prog_name = "debugfs";
2144 #endif
2145 add_error_table(&et_ext2_error_table);
2146 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2147 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2148
2149 while ((c = getopt (argc, argv, opt_string)) != EOF) {
2150 switch (c) {
2151 case 'R':
2152 request = optarg;
2153 break;
2154 case 'f':
2155 cmd_file = optarg;
2156 break;
2157 case 'd':
2158 data_filename = optarg;
2159 break;
2160 case 'i':
2161 open_flags |= EXT2_FLAG_IMAGE_FILE;
2162 break;
2163 case 'n':
2164 open_flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
2165 break;
2166 #ifndef READ_ONLY
2167 case 'w':
2168 open_flags |= EXT2_FLAG_RW;
2169 break;
2170 #endif
2171 case 'D':
2172 open_flags |= EXT2_FLAG_DIRECT_IO;
2173 break;
2174 case 'b':
2175 blocksize = parse_ulong(optarg, argv[0],
2176 "block size", 0);
2177 break;
2178 case 's':
2179 retval = strtoblk(argv[0], optarg,
2180 "superblock block number",
2181 &superblock);
2182 if (retval)
2183 return 1;
2184 break;
2185 case 'c':
2186 catastrophic = 1;
2187 break;
2188 case 'V':
2189 /* Print version number and exit */
2190 fprintf(stderr, "\tUsing %s\n",
2191 error_message(EXT2_ET_BASE));
2192 exit(0);
2193 default:
2194 com_err(argv[0], 0, usage, debug_prog_name);
2195 return 1;
2196 }
2197 }
2198 if (optind < argc)
2199 open_filesystem(argv[optind], open_flags,
2200 superblock, blocksize, catastrophic,
2201 data_filename);
2202
2203 sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2204 &debug_cmds, &retval);
2205 if (retval) {
2206 ss_perror(sci_idx, retval, "creating invocation");
2207 exit(1);
2208 }
2209 ss_get_readline(sci_idx);
2210
2211 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2212 if (retval) {
2213 ss_perror(sci_idx, retval, "adding standard requests");
2214 exit (1);
2215 }
2216 if (extra_cmds)
2217 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2218 if (retval) {
2219 ss_perror(sci_idx, retval, "adding extra requests");
2220 exit (1);
2221 }
2222 if (request) {
2223 retval = 0;
2224 retval = ss_execute_line(sci_idx, request);
2225 if (retval) {
2226 ss_perror(sci_idx, retval, request);
2227 exit_status++;
2228 }
2229 } else if (cmd_file) {
2230 exit_status = source_file(cmd_file, sci_idx);
2231 } else {
2232 ss_listen(sci_idx);
2233 }
2234
2235 ss_delete_invocation(sci_idx);
2236
2237 if (current_fs)
2238 close_filesystem();
2239
2240 remove_error_table(&et_ext2_error_table);
2241 return exit_status;
2242 }
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