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- Committer: Package Import Robot
- Author(s): Dmitrijs Ledkovs
- Date: 2012-06-14 13:01:21 UTC
- mfrom: (8.4.18 sid)
- Revision ID: package-import@ubuntu.com-20120614130121-t2gct0d09jepx0y6
Tags: 1.42.4-3ubuntu1
* Merge from Debian unstable (LP: #978012), remainging changes:
- debian/control.in:
Build-depend on gettext:any instead of on gettext for (cross-building)
Drop build dependency on dc, which hasn't been needed for some time.
Update maintainer field.
- debian/rules:
Block pkg-create-dbgsym from operating on this package.
Build without dietlibc-dev, which is in universe
- debian/control:
Regenerate with ./debian/rules debian/control
- debian/control.in:
Build-depend on gettext:any instead of on gettext for (cross-building)
Drop build dependency on dc, which hasn't been needed for some time.
Update maintainer field.
- debian/rules:
Block pkg-create-dbgsym from operating on this package.
Build without dietlibc-dev, which is in universe
- debian/control:
Regenerate with ./debian/rules debian/control
- files added:
- .pc/add-C-to-chattr-usage
- .pc/add-C-to-chattr-usage/misc
- .pc/fix-blhc-warnings
- .pc/fix-blhc-warnings/e2fsck
- .pc/fix-blhc-warnings/lib
- .pc/fix-blhc-warnings/lib/ext2fs
- .pc/fix-blhc-warnings/lib/uuid
- .pc/fix-blhc-warnings/misc
- .pc/fix-version.h-datestamp
- .pc/quota-FTBFS-fix
- .pc/quota-FTBFS-fix/lib
- .pc/quota-FTBFS-fix/lib/quota
- tests/f_eofblocks
- tests/f_jnl_32bit
- tests/f_jnl_64bit
- tests/f_jnl_errno
- tests/f_orphan_extents_inode
- tests/f_orphan_indirect_inode
- tests/f_uninit_ext_past_eof
- files removed:
- .pc/git-update-to-3b0018beee
- .pc/git-update-to-3b0018beee/config
- .pc/git-update-to-3b0018beee/debugfs
- .pc/git-update-to-3b0018beee/e2fsck
- .pc/git-update-to-3b0018beee/lib
- .pc/git-update-to-3b0018beee/lib/ext2fs
- .pc/git-update-to-3b0018beee/misc
- files modified:
- .gitignore
added
removed
.pc/git-update-to-3b0018beee/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
#include <sys/types.h>
29
#include <sys/stat.h>
30
31
#include "et/com_err.h"
32
#include "ss/ss.h"
33
#include "debugfs.h"
34
#include "uuid/uuid.h"
35
#include "e2p/e2p.h"
36
37
#include <ext2fs/ext2_ext_attr.h>
38
39
#include "../version.h"
40
#include "jfs_user.h"
41
42
extern ss_request_table debug_cmds;
43
ss_request_table *extra_cmds;
44
const char *debug_prog_name;
45
46
ext2_filsys current_fs = NULL;
47
ext2_ino_t root, cwd;
48
49
static void open_filesystem(char *device, int open_flags, blk64_t superblock,
50
blk64_t blocksize, int catastrophic,
51
char *data_filename)
52
{
53
int retval;
54
io_channel data_io = 0;
55
56
if (superblock != 0 && blocksize == 0) {
57
com_err(device, 0, "if you specify the superblock, you must also specify the block size");
58
current_fs = NULL;
59
return;
60
}
61
62
if (data_filename) {
63
if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
64
com_err(device, 0,
65
"The -d option is only valid when reading an e2image file");
66
current_fs = NULL;
67
return;
68
}
69
retval = unix_io_manager->open(data_filename, 0, &data_io);
70
if (retval) {
71
com_err(data_filename, 0, "while opening data source");
72
current_fs = NULL;
73
return;
74
}
75
}
76
77
if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
78
com_err(device, 0,
79
"opening read-only because of catastrophic mode");
80
open_flags &= ~EXT2_FLAG_RW;
81
}
82
if (catastrophic)
83
open_flags |= EXT2_FLAG_SKIP_MMP;
84
85
retval = ext2fs_open(device, open_flags, superblock, blocksize,
86
unix_io_manager, ¤t_fs);
87
if (retval) {
88
com_err(device, retval, "while opening filesystem");
89
current_fs = NULL;
90
return;
91
}
92
current_fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
93
94
if (catastrophic)
95
com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
96
else {
97
retval = ext2fs_read_inode_bitmap(current_fs);
98
if (retval) {
99
com_err(device, retval, "while reading inode bitmap");
100
goto errout;
101
}
102
retval = ext2fs_read_block_bitmap(current_fs);
103
if (retval) {
104
com_err(device, retval, "while reading block bitmap");
105
goto errout;
106
}
107
}
108
109
if (data_io) {
110
retval = ext2fs_set_data_io(current_fs, data_io);
111
if (retval) {
112
com_err(device, retval,
113
"while setting data source");
114
goto errout;
115
}
116
}
117
118
root = cwd = EXT2_ROOT_INO;
119
return;
120
121
errout:
122
retval = ext2fs_close(current_fs);
123
if (retval)
124
com_err(device, retval, "while trying to close filesystem");
125
current_fs = NULL;
126
}
127
128
void do_open_filesys(int argc, char **argv)
129
{
130
int c, err;
131
int catastrophic = 0;
132
blk64_t superblock = 0;
133
blk64_t blocksize = 0;
134
int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
135
char *data_filename = 0;
136
137
reset_getopt();
138
while ((c = getopt (argc, argv, "iwfecb:s:d:D")) != EOF) {
139
switch (c) {
140
case 'i':
141
open_flags |= EXT2_FLAG_IMAGE_FILE;
142
break;
143
case 'w':
144
#ifdef READ_ONLY
145
goto print_usage;
146
#else
147
open_flags |= EXT2_FLAG_RW;
148
#endif /* READ_ONLY */
149
break;
150
case 'f':
151
open_flags |= EXT2_FLAG_FORCE;
152
break;
153
case 'e':
154
open_flags |= EXT2_FLAG_EXCLUSIVE;
155
break;
156
case 'c':
157
catastrophic = 1;
158
break;
159
case 'd':
160
data_filename = optarg;
161
break;
162
case 'D':
163
open_flags |= EXT2_FLAG_DIRECT_IO;
164
break;
165
case 'b':
166
blocksize = parse_ulong(optarg, argv[0],
167
"block size", &err);
168
if (err)
169
return;
170
break;
171
case 's':
172
superblock = parse_ulong(optarg, argv[0],
173
"superblock number", &err);
174
if (err)
175
return;
176
break;
177
default:
178
goto print_usage;
179
}
180
}
181
if (optind != argc-1) {
182
goto print_usage;
183
}
184
if (check_fs_not_open(argv[0]))
185
return;
186
open_filesystem(argv[optind], open_flags,
187
superblock, blocksize, catastrophic,
188
data_filename);
189
return;
190
191
print_usage:
192
fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] [-c] "
193
#ifndef READ_ONLY
194
"[-w] "
195
#endif
196
"<device>\n", argv[0]);
197
}
198
199
void do_lcd(int argc, char **argv)
200
{
201
if (argc != 2) {
202
com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
203
return;
204
}
205
206
if (chdir(argv[1]) == -1) {
207
com_err(argv[0], errno,
208
"while trying to change native directory to %s",
209
argv[1]);
210
return;
211
}
212
}
213
214
static void close_filesystem(NOARGS)
215
{
216
int retval;
217
218
if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
219
retval = ext2fs_write_inode_bitmap(current_fs);
220
if (retval)
221
com_err("ext2fs_write_inode_bitmap", retval, 0);
222
}
223
if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
224
retval = ext2fs_write_block_bitmap(current_fs);
225
if (retval)
226
com_err("ext2fs_write_block_bitmap", retval, 0);
227
}
228
retval = ext2fs_close(current_fs);
229
if (retval)
230
com_err("ext2fs_close", retval, 0);
231
current_fs = NULL;
232
return;
233
}
234
235
void do_close_filesys(int argc, char **argv)
236
{
237
int c;
238
239
if (check_fs_open(argv[0]))
240
return;
241
242
reset_getopt();
243
while ((c = getopt (argc, argv, "a")) != EOF) {
244
switch (c) {
245
case 'a':
246
current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
247
break;
248
default:
249
goto print_usage;
250
}
251
}
252
253
if (argc > optind) {
254
print_usage:
255
com_err(0, 0, "Usage: close_filesys [-a]");
256
return;
257
}
258
259
close_filesystem();
260
}
261
262
#ifndef READ_ONLY
263
void do_init_filesys(int argc, char **argv)
264
{
265
struct ext2_super_block param;
266
errcode_t retval;
267
int err;
268
269
if (common_args_process(argc, argv, 3, 3, "initialize",
270
"<device> <blocksize>", CHECK_FS_NOTOPEN))
271
return;
272
273
memset(¶m, 0, sizeof(struct ext2_super_block));
274
ext2fs_blocks_count_set(¶m, parse_ulong(argv[2], argv[0],
275
"blocks count", &err));
276
if (err)
277
return;
278
retval = ext2fs_initialize(argv[1], 0, ¶m,
279
unix_io_manager, ¤t_fs);
280
if (retval) {
281
com_err(argv[1], retval, "while initializing filesystem");
282
current_fs = NULL;
283
return;
284
}
285
root = cwd = EXT2_ROOT_INO;
286
return;
287
}
288
289
static void print_features(struct ext2_super_block * s, FILE *f)
290
{
291
int i, j, printed=0;
292
__u32 *mask = &s->s_feature_compat, m;
293
294
fputs("Filesystem features:", f);
295
for (i=0; i <3; i++,mask++) {
296
for (j=0,m=1; j < 32; j++, m<<=1) {
297
if (*mask & m) {
298
fprintf(f, " %s", e2p_feature2string(i, m));
299
printed++;
300
}
301
}
302
}
303
if (printed == 0)
304
fputs("(none)", f);
305
fputs("\n", f);
306
}
307
#endif /* READ_ONLY */
308
309
static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
310
const char *str, int *first, FILE *f)
311
{
312
if (ext2fs_bg_flags_test(fs, group, mask)) {
313
if (*first) {
314
fputs(" [", f);
315
*first = 0;
316
} else
317
fputs(", ", f);
318
fputs(str, f);
319
}
320
}
321
322
void do_show_super_stats(int argc, char *argv[])
323
{
324
const char *units ="block";
325
dgrp_t i;
326
FILE *out;
327
int c, header_only = 0;
328
int numdirs = 0, first, gdt_csum;
329
330
reset_getopt();
331
while ((c = getopt (argc, argv, "h")) != EOF) {
332
switch (c) {
333
case 'h':
334
header_only++;
335
break;
336
default:
337
goto print_usage;
338
}
339
}
340
if (optind != argc) {
341
goto print_usage;
342
}
343
if (check_fs_open(argv[0]))
344
return;
345
out = open_pager();
346
347
if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
348
EXT4_FEATURE_RO_COMPAT_BIGALLOC))
349
units = "cluster";
350
351
list_super2(current_fs->super, out);
352
for (i=0; i < current_fs->group_desc_count; i++)
353
numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
354
fprintf(out, "Directories: %d\n", numdirs);
355
356
if (header_only) {
357
close_pager(out);
358
return;
359
}
360
361
gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
362
EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
363
for (i = 0; i < current_fs->group_desc_count; i++) {
364
fprintf(out, " Group %2d: block bitmap at %llu, "
365
"inode bitmap at %llu, "
366
"inode table at %llu\n"
367
" %u free %s%s, "
368
"%u free %s, "
369
"%u used %s%s",
370
i, ext2fs_block_bitmap_loc(current_fs, i),
371
ext2fs_inode_bitmap_loc(current_fs, i),
372
ext2fs_inode_table_loc(current_fs, i),
373
ext2fs_bg_free_blocks_count(current_fs, i), units,
374
ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
375
"s" : "",
376
ext2fs_bg_free_inodes_count(current_fs, i),
377
ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
378
"inodes" : "inode",
379
ext2fs_bg_used_dirs_count(current_fs, i),
380
ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
381
: "directory", gdt_csum ? ", " : "\n");
382
if (gdt_csum)
383
fprintf(out, "%u unused %s\n",
384
ext2fs_bg_itable_unused(current_fs, i),
385
ext2fs_bg_itable_unused(current_fs, i) != 1 ?
386
"inodes" : "inode");
387
first = 1;
388
print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
389
&first, out);
390
print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
391
&first, out);
392
if (gdt_csum) {
393
fprintf(out, "%sChecksum 0x%04x",
394
first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
395
first = 0;
396
}
397
if (!first)
398
fputs("]\n", out);
399
}
400
close_pager(out);
401
return;
402
print_usage:
403
fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
404
}
405
406
#ifndef READ_ONLY
407
void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
408
char **argv EXT2FS_ATTR((unused)))
409
{
410
if (check_fs_open(argv[0]))
411
return;
412
if (check_fs_read_write(argv[0]))
413
return;
414
415
if (argv[1] && !strcmp(argv[1], "-clean"))
416
current_fs->super->s_state |= EXT2_VALID_FS;
417
else
418
current_fs->super->s_state &= ~EXT2_VALID_FS;
419
ext2fs_mark_super_dirty(current_fs);
420
}
421
#endif /* READ_ONLY */
422
423
struct list_blocks_struct {
424
FILE *f;
425
e2_blkcnt_t total;
426
blk64_t first_block, last_block;
427
e2_blkcnt_t first_bcnt, last_bcnt;
428
e2_blkcnt_t first;
429
};
430
431
static void finish_range(struct list_blocks_struct *lb)
432
{
433
if (lb->first_block == 0)
434
return;
435
if (lb->first)
436
lb->first = 0;
437
else
438
fprintf(lb->f, ", ");
439
if (lb->first_block == lb->last_block)
440
fprintf(lb->f, "(%lld):%llu",
441
(long long)lb->first_bcnt, lb->first_block);
442
else
443
fprintf(lb->f, "(%lld-%lld):%llu-%llu",
444
(long long)lb->first_bcnt, (long long)lb->last_bcnt,
445
lb->first_block, lb->last_block);
446
lb->first_block = 0;
447
}
448
449
static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
450
blk64_t *blocknr, e2_blkcnt_t blockcnt,
451
blk64_t ref_block EXT2FS_ATTR((unused)),
452
int ref_offset EXT2FS_ATTR((unused)),
453
void *private)
454
{
455
struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
456
457
lb->total++;
458
if (blockcnt >= 0) {
459
/*
460
* See if we can add on to the existing range (if it exists)
461
*/
462
if (lb->first_block &&
463
(lb->last_block+1 == *blocknr) &&
464
(lb->last_bcnt+1 == blockcnt)) {
465
lb->last_block = *blocknr;
466
lb->last_bcnt = blockcnt;
467
return 0;
468
}
469
/*
470
* Start a new range.
471
*/
472
finish_range(lb);
473
lb->first_block = lb->last_block = *blocknr;
474
lb->first_bcnt = lb->last_bcnt = blockcnt;
475
return 0;
476
}
477
/*
478
* Not a normal block. Always force a new range.
479
*/
480
finish_range(lb);
481
if (lb->first)
482
lb->first = 0;
483
else
484
fprintf(lb->f, ", ");
485
if (blockcnt == -1)
486
fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
487
else if (blockcnt == -2)
488
fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
489
else if (blockcnt == -3)
490
fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
491
return 0;
492
}
493
494
static void dump_xattr_string(FILE *out, const char *str, int len)
495
{
496
int printable = 0;
497
int i;
498
499
/* check: is string "printable enough?" */
500
for (i = 0; i < len; i++)
501
if (isprint(str[i]))
502
printable++;
503
504
if (printable <= len*7/8)
505
printable = 0;
506
507
for (i = 0; i < len; i++)
508
if (printable)
509
fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
510
(unsigned char)str[i]);
511
else
512
fprintf(out, "%02x ", (unsigned char)str[i]);
513
}
514
515
static void internal_dump_inode_extra(FILE *out,
516
const char *prefix EXT2FS_ATTR((unused)),
517
ext2_ino_t inode_num EXT2FS_ATTR((unused)),
518
struct ext2_inode_large *inode)
519
{
520
struct ext2_ext_attr_entry *entry;
521
__u32 *magic;
522
char *start, *end;
523
unsigned int storage_size;
524
525
fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
526
if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
527
EXT2_GOOD_OLD_INODE_SIZE) {
528
fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
529
inode->i_extra_isize);
530
return;
531
}
532
storage_size = EXT2_INODE_SIZE(current_fs->super) -
533
EXT2_GOOD_OLD_INODE_SIZE -
534
inode->i_extra_isize;
535
magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
536
inode->i_extra_isize);
537
if (*magic == EXT2_EXT_ATTR_MAGIC) {
538
fprintf(out, "Extended attributes stored in inode body: \n");
539
end = (char *) inode + EXT2_INODE_SIZE(current_fs->super);
540
start = (char *) magic + sizeof(__u32);
541
entry = (struct ext2_ext_attr_entry *) start;
542
while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
543
struct ext2_ext_attr_entry *next =
544
EXT2_EXT_ATTR_NEXT(entry);
545
if (entry->e_value_size > storage_size ||
546
(char *) next >= end) {
547
fprintf(out, "invalid EA entry in inode\n");
548
return;
549
}
550
fprintf(out, " ");
551
dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry),
552
entry->e_name_len);
553
fprintf(out, " = \"");
554
dump_xattr_string(out, start + entry->e_value_offs,
555
entry->e_value_size);
556
fprintf(out, "\" (%u)\n", entry->e_value_size);
557
entry = next;
558
}
559
}
560
}
561
562
static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
563
{
564
struct list_blocks_struct lb;
565
566
fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
567
lb.total = 0;
568
lb.first_block = 0;
569
lb.f = f;
570
lb.first = 1;
571
ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
572
list_blocks_proc, (void *)&lb);
573
finish_range(&lb);
574
if (lb.total)
575
fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
576
fprintf(f,"\n");
577
}
578
579
static int int_log10(unsigned long long arg)
580
{
581
int l = 0;
582
583
arg = arg / 10;
584
while (arg) {
585
l++;
586
arg = arg / 10;
587
}
588
return l;
589
}
590
591
#define DUMP_LEAF_EXTENTS 0x01
592
#define DUMP_NODE_EXTENTS 0x02
593
#define DUMP_EXTENT_TABLE 0x04
594
595
static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
596
int flags, int logical_width, int physical_width)
597
{
598
ext2_extent_handle_t handle;
599
struct ext2fs_extent extent;
600
struct ext2_extent_info info;
601
int op = EXT2_EXTENT_ROOT;
602
unsigned int printed = 0;
603
errcode_t errcode;
604
605
errcode = ext2fs_extent_open(current_fs, ino, &handle);
606
if (errcode)
607
return;
608
609
if (flags & DUMP_EXTENT_TABLE)
610
fprintf(f, "Level Entries %*s %*s Length Flags\n",
611
(logical_width*2)+3, "Logical",
612
(physical_width*2)+3, "Physical");
613
else
614
fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
615
616
while (1) {
617
errcode = ext2fs_extent_get(handle, op, &extent);
618
619
if (errcode)
620
break;
621
622
op = EXT2_EXTENT_NEXT;
623
624
if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
625
continue;
626
627
if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
628
if ((flags & DUMP_LEAF_EXTENTS) == 0)
629
continue;
630
} else {
631
if ((flags & DUMP_NODE_EXTENTS) == 0)
632
continue;
633
}
634
635
errcode = ext2fs_extent_get_info(handle, &info);
636
if (errcode)
637
continue;
638
639
if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
640
if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
641
continue;
642
643
if (flags & DUMP_EXTENT_TABLE) {
644
fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
645
"%*llu%*s %6u\n",
646
info.curr_level, info.max_depth,
647
info.curr_entry, info.num_entries,
648
logical_width,
649
extent.e_lblk,
650
logical_width,
651
extent.e_lblk + (extent.e_len - 1),
652
physical_width,
653
extent.e_pblk,
654
physical_width+3, "", extent.e_len);
655
continue;
656
}
657
658
fprintf(f, "%s(ETB%d):%lld",
659
printed ? ", " : "", info.curr_level,
660
extent.e_pblk);
661
printed = 1;
662
continue;
663
}
664
665
if (flags & DUMP_EXTENT_TABLE) {
666
fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
667
"%*llu - %*llu %6u %s\n",
668
info.curr_level, info.max_depth,
669
info.curr_entry, info.num_entries,
670
logical_width,
671
extent.e_lblk,
672
logical_width,
673
extent.e_lblk + (extent.e_len - 1),
674
physical_width,
675
extent.e_pblk,
676
physical_width,
677
extent.e_pblk + (extent.e_len - 1),
678
extent.e_len,
679
extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
680
"Uninit" : "");
681
continue;
682
}
683
684
if (extent.e_len == 0)
685
continue;
686
else if (extent.e_len == 1)
687
fprintf(f,
688
"%s(%lld%s):%lld",
689
printed ? ", " : "",
690
extent.e_lblk,
691
extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
692
"[u]" : "",
693
extent.e_pblk);
694
else
695
fprintf(f,
696
"%s(%lld-%lld%s):%lld-%lld",
697
printed ? ", " : "",
698
extent.e_lblk,
699
extent.e_lblk + (extent.e_len - 1),
700
extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
701
"[u]" : "",
702
extent.e_pblk,
703
extent.e_pblk + (extent.e_len - 1));
704
printed = 1;
705
}
706
if (printed)
707
fprintf(f, "\n");
708
}
709
710
void internal_dump_inode(FILE *out, const char *prefix,
711
ext2_ino_t inode_num, struct ext2_inode *inode,
712
int do_dump_blocks)
713
{
714
const char *i_type;
715
char frag, fsize;
716
int os = current_fs->super->s_creator_os;
717
struct ext2_inode_large *large_inode;
718
int is_large_inode = 0;
719
720
if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
721
is_large_inode = 1;
722
large_inode = (struct ext2_inode_large *) inode;
723
724
if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
725
else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
726
else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
727
else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
728
else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
729
else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
730
else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
731
else i_type = "bad type";
732
fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
733
fprintf(out, "%sMode: %04o Flags: 0x%x\n",
734
prefix, inode->i_mode & 0777, inode->i_flags);
735
if (is_large_inode && large_inode->i_extra_isize >= 24) {
736
fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
737
prefix, inode->i_generation, large_inode->i_version_hi,
738
inode->osd1.linux1.l_i_version);
739
} else {
740
fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
741
inode->i_generation, inode->osd1.linux1.l_i_version);
742
}
743
fprintf(out, "%sUser: %5d Group: %5d Size: ",
744
prefix, inode_uid(*inode), inode_gid(*inode));
745
if (LINUX_S_ISREG(inode->i_mode))
746
fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
747
else
748
fprintf(out, "%d\n", inode->i_size);
749
if (os == EXT2_OS_HURD)
750
fprintf(out,
751
"%sFile ACL: %d Directory ACL: %d Translator: %d\n",
752
prefix,
753
inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
754
inode->osd1.hurd1.h_i_translator);
755
else
756
fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
757
prefix,
758
inode->i_file_acl | ((long long)
759
(inode->osd2.linux2.l_i_file_acl_high) << 32),
760
LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
761
if (os == EXT2_OS_LINUX)
762
fprintf(out, "%sLinks: %d Blockcount: %llu\n",
763
prefix, inode->i_links_count,
764
(((unsigned long long)
765
inode->osd2.linux2.l_i_blocks_hi << 32)) +
766
inode->i_blocks);
767
else
768
fprintf(out, "%sLinks: %d Blockcount: %u\n",
769
prefix, inode->i_links_count, inode->i_blocks);
770
switch (os) {
771
case EXT2_OS_HURD:
772
frag = inode->osd2.hurd2.h_i_frag;
773
fsize = inode->osd2.hurd2.h_i_fsize;
774
break;
775
default:
776
frag = fsize = 0;
777
}
778
fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
779
prefix, inode->i_faddr, frag, fsize);
780
if (is_large_inode && large_inode->i_extra_isize >= 24) {
781
fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
782
inode->i_ctime, large_inode->i_ctime_extra,
783
time_to_string(inode->i_ctime));
784
fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
785
inode->i_atime, large_inode->i_atime_extra,
786
time_to_string(inode->i_atime));
787
fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
788
inode->i_mtime, large_inode->i_mtime_extra,
789
time_to_string(inode->i_mtime));
790
fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
791
large_inode->i_crtime, large_inode->i_crtime_extra,
792
time_to_string(large_inode->i_crtime));
793
} else {
794
fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
795
time_to_string(inode->i_ctime));
796
fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
797
time_to_string(inode->i_atime));
798
fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
799
time_to_string(inode->i_mtime));
800
}
801
if (inode->i_dtime)
802
fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
803
time_to_string(inode->i_dtime));
804
if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
805
internal_dump_inode_extra(out, prefix, inode_num,
806
(struct ext2_inode_large *) inode);
807
if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
808
fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
809
(int) inode->i_size, (char *)inode->i_block);
810
else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
811
int major, minor;
812
const char *devnote;
813
814
if (inode->i_block[0]) {
815
major = (inode->i_block[0] >> 8) & 255;
816
minor = inode->i_block[0] & 255;
817
devnote = "";
818
} else {
819
major = (inode->i_block[1] & 0xfff00) >> 8;
820
minor = ((inode->i_block[1] & 0xff) |
821
((inode->i_block[1] >> 12) & 0xfff00));
822
devnote = "(New-style) ";
823
}
824
fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
825
devnote, major, minor, major, minor);
826
} else if (do_dump_blocks) {
827
if (inode->i_flags & EXT4_EXTENTS_FL)
828
dump_extents(out, prefix, inode_num,
829
DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
830
else
831
dump_blocks(out, prefix, inode_num);
832
}
833
}
834
835
static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
836
{
837
FILE *out;
838
839
out = open_pager();
840
internal_dump_inode(out, "", inode_num, inode, 1);
841
close_pager(out);
842
}
843
844
void do_stat(int argc, char *argv[])
845
{
846
ext2_ino_t inode;
847
struct ext2_inode * inode_buf;
848
849
if (check_fs_open(argv[0]))
850
return;
851
852
inode_buf = (struct ext2_inode *)
853
malloc(EXT2_INODE_SIZE(current_fs->super));
854
if (!inode_buf) {
855
fprintf(stderr, "do_stat: can't allocate buffer\n");
856
return;
857
}
858
859
if (common_inode_args_process(argc, argv, &inode, 0)) {
860
free(inode_buf);
861
return;
862
}
863
864
if (debugfs_read_inode_full(inode, inode_buf, argv[0],
865
EXT2_INODE_SIZE(current_fs->super))) {
866
free(inode_buf);
867
return;
868
}
869
870
dump_inode(inode, inode_buf);
871
free(inode_buf);
872
return;
873
}
874
875
void do_dump_extents(int argc, char **argv)
876
{
877
struct ext2_inode inode;
878
ext2_ino_t ino;
879
FILE *out;
880
int c, flags = 0;
881
int logical_width;
882
int physical_width;
883
884
reset_getopt();
885
while ((c = getopt(argc, argv, "nl")) != EOF) {
886
switch (c) {
887
case 'n':
888
flags |= DUMP_NODE_EXTENTS;
889
break;
890
case 'l':
891
flags |= DUMP_LEAF_EXTENTS;
892
break;
893
}
894
}
895
896
if (argc != optind + 1) {
897
com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
898
return;
899
}
900
901
if (flags == 0)
902
flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
903
flags |= DUMP_EXTENT_TABLE;
904
905
if (check_fs_open(argv[0]))
906
return;
907
908
ino = string_to_inode(argv[optind]);
909
if (ino == 0)
910
return;
911
912
if (debugfs_read_inode(ino, &inode, argv[0]))
913
return;
914
915
if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
916
fprintf(stderr, "%s: does not uses extent block maps\n",
917
argv[optind]);
918
return;
919
}
920
921
logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
922
current_fs->blocksize) + 1;
923
if (logical_width < 5)
924
logical_width = 5;
925
physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
926
if (physical_width < 5)
927
physical_width = 5;
928
929
out = open_pager();
930
dump_extents(out, "", ino, flags, logical_width, physical_width);
931
close_pager(out);
932
return;
933
}
934
935
static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
936
blk64_t *blocknr,
937
e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
938
blk64_t ref_block EXT2FS_ATTR((unused)),
939
int ref_offset EXT2FS_ATTR((unused)),
940
void *private EXT2FS_ATTR((unused)))
941
{
942
printf("%llu ", *blocknr);
943
return 0;
944
}
945
946
void do_blocks(int argc, char *argv[])
947
{
948
ext2_ino_t inode;
949
950
if (check_fs_open(argv[0]))
951
return;
952
953
if (common_inode_args_process(argc, argv, &inode, 0)) {
954
return;
955
}
956
957
ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
958
print_blocks_proc, NULL);
959
fputc('\n', stdout);
960
return;
961
}
962
963
void do_chroot(int argc, char *argv[])
964
{
965
ext2_ino_t inode;
966
int retval;
967
968
if (common_inode_args_process(argc, argv, &inode, 0))
969
return;
970
971
retval = ext2fs_check_directory(current_fs, inode);
972
if (retval) {
973
com_err(argv[1], retval, 0);
974
return;
975
}
976
root = inode;
977
}
978
979
#ifndef READ_ONLY
980
void do_clri(int argc, char *argv[])
981
{
982
ext2_ino_t inode;
983
struct ext2_inode inode_buf;
984
985
if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
986
return;
987
988
if (debugfs_read_inode(inode, &inode_buf, argv[0]))
989
return;
990
memset(&inode_buf, 0, sizeof(inode_buf));
991
if (debugfs_write_inode(inode, &inode_buf, argv[0]))
992
return;
993
}
994
995
void do_freei(int argc, char *argv[])
996
{
997
unsigned int len = 1;
998
int err = 0;
999
ext2_ino_t inode;
1000
1001
if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1002
CHECK_FS_RW | CHECK_FS_BITMAPS))
1003
return 1;
1004
if (check_fs_read_write(argv[0]))
1005
return;
1006
1007
inode = string_to_inode(argv[1]);
1008
if (!inode)
1009
return;
1010
1011
if (argc == 3) {
1012
len = parse_ulong(argv[2], argv[0], "length", &err);
1013
if (err)
1014
return;
1015
}
1016
1017
if (len == 1 &&
1018
!ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1019
com_err(argv[0], 0, "Warning: inode already clear");
1020
while (len-- > 0)
1021
ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode);
1022
ext2fs_mark_ib_dirty(current_fs);
1023
}
1024
1025
void do_seti(int argc, char *argv[])
1026
{
1027
unsigned int len = 1;
1028
int err = 0;
1029
ext2_ino_t inode;
1030
1031
if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
1032
CHECK_FS_RW | CHECK_FS_BITMAPS))
1033
return;
1034
if (check_fs_read_write(argv[0]))
1035
return;
1036
1037
inode = string_to_inode(argv[1]);
1038
if (!inode)
1039
return;
1040
1041
if (argc == 3) {
1042
len = parse_ulong(argv[2], argv[0], "length", &err);
1043
if (err)
1044
return;
1045
}
1046
1047
if ((len == 1) &&
1048
ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1049
com_err(argv[0], 0, "Warning: inode already set");
1050
while (len-- > 0)
1051
ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++);
1052
ext2fs_mark_ib_dirty(current_fs);
1053
}
1054
#endif /* READ_ONLY */
1055
1056
void do_testi(int argc, char *argv[])
1057
{
1058
ext2_ino_t inode;
1059
1060
if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1061
return;
1062
1063
if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1064
printf("Inode %u is marked in use\n", inode);
1065
else
1066
printf("Inode %u is not in use\n", inode);
1067
}
1068
1069
#ifndef READ_ONLY
1070
void do_freeb(int argc, char *argv[])
1071
{
1072
blk64_t block;
1073
blk64_t count = 1;
1074
1075
if (common_block_args_process(argc, argv, &block, &count))
1076
return;
1077
if (check_fs_read_write(argv[0]))
1078
return;
1079
while (count-- > 0) {
1080
if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1081
com_err(argv[0], 0, "Warning: block %llu already clear",
1082
block);
1083
ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1084
block++;
1085
}
1086
ext2fs_mark_bb_dirty(current_fs);
1087
}
1088
1089
void do_setb(int argc, char *argv[])
1090
{
1091
blk64_t block;
1092
blk64_t count = 1;
1093
1094
if (common_block_args_process(argc, argv, &block, &count))
1095
return;
1096
if (check_fs_read_write(argv[0]))
1097
return;
1098
while (count-- > 0) {
1099
if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1100
com_err(argv[0], 0, "Warning: block %llu already set",
1101
block);
1102
ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1103
block++;
1104
}
1105
ext2fs_mark_bb_dirty(current_fs);
1106
}
1107
#endif /* READ_ONLY */
1108
1109
void do_testb(int argc, char *argv[])
1110
{
1111
blk64_t block;
1112
blk64_t count = 1;
1113
1114
if (common_block_args_process(argc, argv, &block, &count))
1115
return;
1116
while (count-- > 0) {
1117
if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1118
printf("Block %llu marked in use\n", block);
1119
else
1120
printf("Block %llu not in use\n", block);
1121
block++;
1122
}
1123
}
1124
1125
#ifndef READ_ONLY
1126
static void modify_u8(char *com, const char *prompt,
1127
const char *format, __u8 *val)
1128
{
1129
char buf[200];
1130
unsigned long v;
1131
char *tmp;
1132
1133
sprintf(buf, format, *val);
1134
printf("%30s [%s] ", prompt, buf);
1135
if (!fgets(buf, sizeof(buf), stdin))
1136
return;
1137
if (buf[strlen (buf) - 1] == '\n')
1138
buf[strlen (buf) - 1] = '\0';
1139
if (!buf[0])
1140
return;
1141
v = strtoul(buf, &tmp, 0);
1142
if (*tmp)
1143
com_err(com, 0, "Bad value - %s", buf);
1144
else
1145
*val = v;
1146
}
1147
1148
static void modify_u16(char *com, const char *prompt,
1149
const char *format, __u16 *val)
1150
{
1151
char buf[200];
1152
unsigned long v;
1153
char *tmp;
1154
1155
sprintf(buf, format, *val);
1156
printf("%30s [%s] ", prompt, buf);
1157
if (!fgets(buf, sizeof(buf), stdin))
1158
return;
1159
if (buf[strlen (buf) - 1] == '\n')
1160
buf[strlen (buf) - 1] = '\0';
1161
if (!buf[0])
1162
return;
1163
v = strtoul(buf, &tmp, 0);
1164
if (*tmp)
1165
com_err(com, 0, "Bad value - %s", buf);
1166
else
1167
*val = v;
1168
}
1169
1170
static void modify_u32(char *com, const char *prompt,
1171
const char *format, __u32 *val)
1172
{
1173
char buf[200];
1174
unsigned long v;
1175
char *tmp;
1176
1177
sprintf(buf, format, *val);
1178
printf("%30s [%s] ", prompt, buf);
1179
if (!fgets(buf, sizeof(buf), stdin))
1180
return;
1181
if (buf[strlen (buf) - 1] == '\n')
1182
buf[strlen (buf) - 1] = '\0';
1183
if (!buf[0])
1184
return;
1185
v = strtoul(buf, &tmp, 0);
1186
if (*tmp)
1187
com_err(com, 0, "Bad value - %s", buf);
1188
else
1189
*val = v;
1190
}
1191
1192
1193
void do_modify_inode(int argc, char *argv[])
1194
{
1195
struct ext2_inode inode;
1196
ext2_ino_t inode_num;
1197
int i;
1198
unsigned char *frag, *fsize;
1199
char buf[80];
1200
int os;
1201
const char *hex_format = "0x%x";
1202
const char *octal_format = "0%o";
1203
const char *decimal_format = "%d";
1204
const char *unsignedlong_format = "%lu";
1205
1206
if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1207
return;
1208
1209
os = current_fs->super->s_creator_os;
1210
1211
if (debugfs_read_inode(inode_num, &inode, argv[1]))
1212
return;
1213
1214
modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1215
modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1216
modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1217
modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1218
modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1219
modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1220
modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1221
modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1222
modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1223
if (os == EXT2_OS_LINUX)
1224
modify_u16(argv[0], "Block count high", unsignedlong_format,
1225
&inode.osd2.linux2.l_i_blocks_hi);
1226
modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1227
modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1228
modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1229
#if 0
1230
modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1231
#endif
1232
modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1233
if (LINUX_S_ISDIR(inode.i_mode))
1234
modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1235
else
1236
modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1237
1238
if (os == EXT2_OS_HURD)
1239
modify_u32(argv[0], "Translator Block",
1240
decimal_format, &inode.osd1.hurd1.h_i_translator);
1241
1242
modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1243
switch (os) {
1244
case EXT2_OS_HURD:
1245
frag = &inode.osd2.hurd2.h_i_frag;
1246
fsize = &inode.osd2.hurd2.h_i_fsize;
1247
break;
1248
default:
1249
frag = fsize = 0;
1250
}
1251
if (frag)
1252
modify_u8(argv[0], "Fragment number", decimal_format, frag);
1253
if (fsize)
1254
modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1255
1256
for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1257
sprintf(buf, "Direct Block #%d", i);
1258
modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1259
}
1260
modify_u32(argv[0], "Indirect Block", decimal_format,
1261
&inode.i_block[EXT2_IND_BLOCK]);
1262
modify_u32(argv[0], "Double Indirect Block", decimal_format,
1263
&inode.i_block[EXT2_DIND_BLOCK]);
1264
modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1265
&inode.i_block[EXT2_TIND_BLOCK]);
1266
if (debugfs_write_inode(inode_num, &inode, argv[1]))
1267
return;
1268
}
1269
#endif /* READ_ONLY */
1270
1271
void do_change_working_dir(int argc, char *argv[])
1272
{
1273
ext2_ino_t inode;
1274
int retval;
1275
1276
if (common_inode_args_process(argc, argv, &inode, 0))
1277
return;
1278
1279
retval = ext2fs_check_directory(current_fs, inode);
1280
if (retval) {
1281
com_err(argv[1], retval, 0);
1282
return;
1283
}
1284
cwd = inode;
1285
return;
1286
}
1287
1288
void do_print_working_directory(int argc, char *argv[])
1289
{
1290
int retval;
1291
char *pathname = NULL;
1292
1293
if (common_args_process(argc, argv, 1, 1,
1294
"print_working_directory", "", 0))
1295
return;
1296
1297
retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1298
if (retval) {
1299
com_err(argv[0], retval,
1300
"while trying to get pathname of cwd");
1301
}
1302
printf("[pwd] INODE: %6u PATH: %s\n",
1303
cwd, pathname ? pathname : "NULL");
1304
if (pathname) {
1305
free(pathname);
1306
pathname = NULL;
1307
}
1308
retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1309
if (retval) {
1310
com_err(argv[0], retval,
1311
"while trying to get pathname of root");
1312
}
1313
printf("[root] INODE: %6u PATH: %s\n",
1314
root, pathname ? pathname : "NULL");
1315
if (pathname) {
1316
free(pathname);
1317
pathname = NULL;
1318
}
1319
return;
1320
}
1321
1322
#ifndef READ_ONLY
1323
static void make_link(char *sourcename, char *destname)
1324
{
1325
ext2_ino_t ino;
1326
struct ext2_inode inode;
1327
int retval;
1328
ext2_ino_t dir;
1329
char *dest, *cp, *base_name;
1330
1331
/*
1332
* Get the source inode
1333
*/
1334
ino = string_to_inode(sourcename);
1335
if (!ino)
1336
return;
1337
base_name = strrchr(sourcename, '/');
1338
if (base_name)
1339
base_name++;
1340
else
1341
base_name = sourcename;
1342
/*
1343
* Figure out the destination. First see if it exists and is
1344
* a directory.
1345
*/
1346
if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1347
dest = base_name;
1348
else {
1349
/*
1350
* OK, it doesn't exist. See if it is
1351
* '<dir>/basename' or 'basename'
1352
*/
1353
cp = strrchr(destname, '/');
1354
if (cp) {
1355
*cp = 0;
1356
dir = string_to_inode(destname);
1357
if (!dir)
1358
return;
1359
dest = cp+1;
1360
} else {
1361
dir = cwd;
1362
dest = destname;
1363
}
1364
}
1365
1366
if (debugfs_read_inode(ino, &inode, sourcename))
1367
return;
1368
1369
retval = ext2fs_link(current_fs, dir, dest, ino,
1370
ext2_file_type(inode.i_mode));
1371
if (retval)
1372
com_err("make_link", retval, 0);
1373
return;
1374
}
1375
1376
1377
void do_link(int argc, char *argv[])
1378
{
1379
if (common_args_process(argc, argv, 3, 3, "link",
1380
"<source file> <dest_name>", CHECK_FS_RW))
1381
return;
1382
1383
make_link(argv[1], argv[2]);
1384
}
1385
1386
static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1387
e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1388
blk64_t ref_block EXT2FS_ATTR((unused)),
1389
int ref_offset EXT2FS_ATTR((unused)),
1390
void *private EXT2FS_ATTR((unused)))
1391
{
1392
blk64_t block;
1393
1394
block = *blocknr;
1395
ext2fs_block_alloc_stats2(fs, block, +1);
1396
return 0;
1397
}
1398
1399
void do_undel(int argc, char *argv[])
1400
{
1401
ext2_ino_t ino;
1402
struct ext2_inode inode;
1403
1404
if (common_args_process(argc, argv, 2, 3, "undelete",
1405
"<inode_num> [dest_name]",
1406
CHECK_FS_RW | CHECK_FS_BITMAPS))
1407
return;
1408
1409
ino = string_to_inode(argv[1]);
1410
if (!ino)
1411
return;
1412
1413
if (debugfs_read_inode(ino, &inode, argv[1]))
1414
return;
1415
1416
if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1417
com_err(argv[1], 0, "Inode is not marked as deleted");
1418
return;
1419
}
1420
1421
/*
1422
* XXX this function doesn't handle changing the links count on the
1423
* parent directory when undeleting a directory.
1424
*/
1425
inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1426
inode.i_dtime = 0;
1427
1428
if (debugfs_write_inode(ino, &inode, argv[0]))
1429
return;
1430
1431
ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1432
mark_blocks_proc, NULL);
1433
1434
ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1435
1436
if (argc > 2)
1437
make_link(argv[1], argv[2]);
1438
}
1439
1440
static void unlink_file_by_name(char *filename)
1441
{
1442
int retval;
1443
ext2_ino_t dir;
1444
char *base_name;
1445
1446
base_name = strrchr(filename, '/');
1447
if (base_name) {
1448
*base_name++ = '\0';
1449
dir = string_to_inode(filename);
1450
if (!dir)
1451
return;
1452
} else {
1453
dir = cwd;
1454
base_name = filename;
1455
}
1456
retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1457
if (retval)
1458
com_err("unlink_file_by_name", retval, 0);
1459
return;
1460
}
1461
1462
void do_unlink(int argc, char *argv[])
1463
{
1464
if (common_args_process(argc, argv, 2, 2, "link",
1465
"<pathname>", CHECK_FS_RW))
1466
return;
1467
1468
unlink_file_by_name(argv[1]);
1469
}
1470
#endif /* READ_ONLY */
1471
1472
void do_find_free_block(int argc, char *argv[])
1473
{
1474
blk64_t free_blk, goal, first_free = 0;
1475
int count;
1476
errcode_t retval;
1477
char *tmp;
1478
1479
if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1480
com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1481
return;
1482
}
1483
if (check_fs_open(argv[0]))
1484
return;
1485
1486
if (argc > 1) {
1487
count = strtol(argv[1],&tmp,0);
1488
if (*tmp) {
1489
com_err(argv[0], 0, "Bad count - %s", argv[1]);
1490
return;
1491
}
1492
} else
1493
count = 1;
1494
1495
if (argc > 2) {
1496
goal = strtol(argv[2], &tmp, 0);
1497
if (*tmp) {
1498
com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1499
return;
1500
}
1501
}
1502
else
1503
goal = current_fs->super->s_first_data_block;
1504
1505
printf("Free blocks found: ");
1506
free_blk = goal - 1;
1507
while (count-- > 0) {
1508
retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1509
&free_blk);
1510
if (first_free) {
1511
if (first_free == free_blk)
1512
break;
1513
} else
1514
first_free = free_blk;
1515
if (retval) {
1516
com_err("ext2fs_new_block", retval, 0);
1517
return;
1518
} else
1519
printf("%llu ", free_blk);
1520
}
1521
printf("\n");
1522
}
1523
1524
void do_find_free_inode(int argc, char *argv[])
1525
{
1526
ext2_ino_t free_inode, dir;
1527
int mode;
1528
int retval;
1529
char *tmp;
1530
1531
if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1532
com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1533
return;
1534
}
1535
if (check_fs_open(argv[0]))
1536
return;
1537
1538
if (argc > 1) {
1539
dir = strtol(argv[1], &tmp, 0);
1540
if (*tmp) {
1541
com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1542
return;
1543
}
1544
}
1545
else
1546
dir = root;
1547
if (argc > 2) {
1548
mode = strtol(argv[2], &tmp, 0);
1549
if (*tmp) {
1550
com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1551
return;
1552
}
1553
} else
1554
mode = 010755;
1555
1556
retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1557
if (retval)
1558
com_err("ext2fs_new_inode", retval, 0);
1559
else
1560
printf("Free inode found: %u\n", free_inode);
1561
}
1562
1563
#ifndef READ_ONLY
1564
static errcode_t copy_file(int fd, ext2_ino_t newfile)
1565
{
1566
ext2_file_t e2_file;
1567
errcode_t retval;
1568
int got;
1569
unsigned int written;
1570
char buf[8192];
1571
char *ptr;
1572
1573
retval = ext2fs_file_open(current_fs, newfile,
1574
EXT2_FILE_WRITE, &e2_file);
1575
if (retval)
1576
return retval;
1577
1578
while (1) {
1579
got = read(fd, buf, sizeof(buf));
1580
if (got == 0)
1581
break;
1582
if (got < 0) {
1583
retval = errno;
1584
goto fail;
1585
}
1586
ptr = buf;
1587
while (got > 0) {
1588
retval = ext2fs_file_write(e2_file, ptr,
1589
got, &written);
1590
if (retval)
1591
goto fail;
1592
1593
got -= written;
1594
ptr += written;
1595
}
1596
}
1597
retval = ext2fs_file_close(e2_file);
1598
return retval;
1599
1600
fail:
1601
(void) ext2fs_file_close(e2_file);
1602
return retval;
1603
}
1604
1605
1606
void do_write(int argc, char *argv[])
1607
{
1608
int fd;
1609
struct stat statbuf;
1610
ext2_ino_t newfile;
1611
errcode_t retval;
1612
struct ext2_inode inode;
1613
1614
if (common_args_process(argc, argv, 3, 3, "write",
1615
"<native file> <new file>", CHECK_FS_RW))
1616
return;
1617
1618
fd = open(argv[1], O_RDONLY);
1619
if (fd < 0) {
1620
com_err(argv[1], errno, 0);
1621
return;
1622
}
1623
if (fstat(fd, &statbuf) < 0) {
1624
com_err(argv[1], errno, 0);
1625
close(fd);
1626
return;
1627
}
1628
1629
retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
1630
if (retval == 0) {
1631
com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
1632
close(fd);
1633
return;
1634
}
1635
1636
retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1637
if (retval) {
1638
com_err(argv[0], retval, 0);
1639
close(fd);
1640
return;
1641
}
1642
printf("Allocated inode: %u\n", newfile);
1643
retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1644
EXT2_FT_REG_FILE);
1645
if (retval == EXT2_ET_DIR_NO_SPACE) {
1646
retval = ext2fs_expand_dir(current_fs, cwd);
1647
if (retval) {
1648
com_err(argv[0], retval, "while expanding directory");
1649
close(fd);
1650
return;
1651
}
1652
retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1653
EXT2_FT_REG_FILE);
1654
}
1655
if (retval) {
1656
com_err(argv[2], retval, 0);
1657
close(fd);
1658
return;
1659
}
1660
if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1661
com_err(argv[0], 0, "Warning: inode already set");
1662
ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1663
memset(&inode, 0, sizeof(inode));
1664
inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
1665
inode.i_atime = inode.i_ctime = inode.i_mtime =
1666
current_fs->now ? current_fs->now : time(0);
1667
inode.i_links_count = 1;
1668
inode.i_size = statbuf.st_size;
1669
if (current_fs->super->s_feature_incompat &
1670
EXT3_FEATURE_INCOMPAT_EXTENTS)
1671
inode.i_flags |= EXT4_EXTENTS_FL;
1672
if (debugfs_write_new_inode(newfile, &inode, argv[0])) {
1673
close(fd);
1674
return;
1675
}
1676
if (LINUX_S_ISREG(inode.i_mode)) {
1677
retval = copy_file(fd, newfile);
1678
if (retval)
1679
com_err("copy_file", retval, 0);
1680
}
1681
close(fd);
1682
}
1683
1684
void do_mknod(int argc, char *argv[])
1685
{
1686
unsigned long mode, major, minor;
1687
ext2_ino_t newfile;
1688
errcode_t retval;
1689
struct ext2_inode inode;
1690
int filetype, nr;
1691
1692
if (check_fs_open(argv[0]))
1693
return;
1694
if (argc < 3 || argv[2][1]) {
1695
usage:
1696
com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1697
return;
1698
}
1699
mode = minor = major = 0;
1700
switch (argv[2][0]) {
1701
case 'p':
1702
mode = LINUX_S_IFIFO;
1703
filetype = EXT2_FT_FIFO;
1704
nr = 3;
1705
break;
1706
case 'c':
1707
mode = LINUX_S_IFCHR;
1708
filetype = EXT2_FT_CHRDEV;
1709
nr = 5;
1710
break;
1711
case 'b':
1712
mode = LINUX_S_IFBLK;
1713
filetype = EXT2_FT_BLKDEV;
1714
nr = 5;
1715
break;
1716
default:
1717
filetype = 0;
1718
nr = 0;
1719
}
1720
if (nr == 5) {
1721
major = strtoul(argv[3], argv+3, 0);
1722
minor = strtoul(argv[4], argv+4, 0);
1723
if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1724
nr = 0;
1725
}
1726
if (argc != nr)
1727
goto usage;
1728
if (check_fs_read_write(argv[0]))
1729
return;
1730
retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1731
if (retval) {
1732
com_err(argv[0], retval, 0);
1733
return;
1734
}
1735
printf("Allocated inode: %u\n", newfile);
1736
retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
1737
if (retval == EXT2_ET_DIR_NO_SPACE) {
1738
retval = ext2fs_expand_dir(current_fs, cwd);
1739
if (retval) {
1740
com_err(argv[0], retval, "while expanding directory");
1741
return;
1742
}
1743
retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
1744
filetype);
1745
}
1746
if (retval) {
1747
com_err(argv[1], retval, 0);
1748
return;
1749
}
1750
if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1751
com_err(argv[0], 0, "Warning: inode already set");
1752
ext2fs_mark_inode_bitmap2(current_fs->inode_map, newfile);
1753
ext2fs_mark_ib_dirty(current_fs);
1754
memset(&inode, 0, sizeof(inode));
1755
inode.i_mode = mode;
1756
inode.i_atime = inode.i_ctime = inode.i_mtime =
1757
current_fs->now ? current_fs->now : time(0);
1758
if ((major < 256) && (minor < 256)) {
1759
inode.i_block[0] = major*256+minor;
1760
inode.i_block[1] = 0;
1761
} else {
1762
inode.i_block[0] = 0;
1763
inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
1764
}
1765
inode.i_links_count = 1;
1766
if (debugfs_write_new_inode(newfile, &inode, argv[0]))
1767
return;
1768
}
1769
1770
void do_mkdir(int argc, char *argv[])
1771
{
1772
char *cp;
1773
ext2_ino_t parent;
1774
char *name;
1775
errcode_t retval;
1776
1777
if (common_args_process(argc, argv, 2, 2, "mkdir",
1778
"<filename>", CHECK_FS_RW))
1779
return;
1780
1781
cp = strrchr(argv[1], '/');
1782
if (cp) {
1783
*cp = 0;
1784
parent = string_to_inode(argv[1]);
1785
if (!parent) {
1786
com_err(argv[1], ENOENT, 0);
1787
return;
1788
}
1789
name = cp+1;
1790
} else {
1791
parent = cwd;
1792
name = argv[1];
1793
}
1794
1795
try_again:
1796
retval = ext2fs_mkdir(current_fs, parent, 0, name);
1797
if (retval == EXT2_ET_DIR_NO_SPACE) {
1798
retval = ext2fs_expand_dir(current_fs, parent);
1799
if (retval) {
1800
com_err(argv[0], retval, "while expanding directory");
1801
return;
1802
}
1803
goto try_again;
1804
}
1805
if (retval) {
1806
com_err("ext2fs_mkdir", retval, 0);
1807
return;
1808
}
1809
1810
}
1811
1812
static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1813
e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1814
blk64_t ref_block EXT2FS_ATTR((unused)),
1815
int ref_offset EXT2FS_ATTR((unused)),
1816
void *private EXT2FS_ATTR((unused)))
1817
{
1818
blk64_t block;
1819
1820
block = *blocknr;
1821
ext2fs_block_alloc_stats2(fs, block, -1);
1822
return 0;
1823
}
1824
1825
static void kill_file_by_inode(ext2_ino_t inode)
1826
{
1827
struct ext2_inode inode_buf;
1828
1829
if (debugfs_read_inode(inode, &inode_buf, 0))
1830
return;
1831
inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1832
if (debugfs_write_inode(inode, &inode_buf, 0))
1833
return;
1834
if (!ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf))
1835
return;
1836
1837
ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1838
release_blocks_proc, NULL);
1839
printf("\n");
1840
ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1841
LINUX_S_ISDIR(inode_buf.i_mode));
1842
}
1843
1844
1845
void do_kill_file(int argc, char *argv[])
1846
{
1847
ext2_ino_t inode_num;
1848
1849
if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1850
return;
1851
1852
kill_file_by_inode(inode_num);
1853
}
1854
1855
void do_rm(int argc, char *argv[])
1856
{
1857
int retval;
1858
ext2_ino_t inode_num;
1859
struct ext2_inode inode;
1860
1861
if (common_args_process(argc, argv, 2, 2, "rm",
1862
"<filename>", CHECK_FS_RW))
1863
return;
1864
1865
retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1866
if (retval) {
1867
com_err(argv[0], retval, "while trying to resolve filename");
1868
return;
1869
}
1870
1871
if (debugfs_read_inode(inode_num, &inode, argv[0]))
1872
return;
1873
1874
if (LINUX_S_ISDIR(inode.i_mode)) {
1875
com_err(argv[0], 0, "file is a directory");
1876
return;
1877
}
1878
1879
--inode.i_links_count;
1880
if (debugfs_write_inode(inode_num, &inode, argv[0]))
1881
return;
1882
1883
unlink_file_by_name(argv[1]);
1884
if (inode.i_links_count == 0)
1885
kill_file_by_inode(inode_num);
1886
}
1887
1888
struct rd_struct {
1889
ext2_ino_t parent;
1890
int empty;
1891
};
1892
1893
static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1894
int entry EXT2FS_ATTR((unused)),
1895
struct ext2_dir_entry *dirent,
1896
int offset EXT2FS_ATTR((unused)),
1897
int blocksize EXT2FS_ATTR((unused)),
1898
char *buf EXT2FS_ATTR((unused)),
1899
void *private)
1900
{
1901
struct rd_struct *rds = (struct rd_struct *) private;
1902
1903
if (dirent->inode == 0)
1904
return 0;
1905
if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
1906
return 0;
1907
if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') &&
1908
(dirent->name[1] == '.')) {
1909
rds->parent = dirent->inode;
1910
return 0;
1911
}
1912
rds->empty = 0;
1913
return 0;
1914
}
1915
1916
void do_rmdir(int argc, char *argv[])
1917
{
1918
int retval;
1919
ext2_ino_t inode_num;
1920
struct ext2_inode inode;
1921
struct rd_struct rds;
1922
1923
if (common_args_process(argc, argv, 2, 2, "rmdir",
1924
"<filename>", CHECK_FS_RW))
1925
return;
1926
1927
retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1928
if (retval) {
1929
com_err(argv[0], retval, "while trying to resolve filename");
1930
return;
1931
}
1932
1933
if (debugfs_read_inode(inode_num, &inode, argv[0]))
1934
return;
1935
1936
if (!LINUX_S_ISDIR(inode.i_mode)) {
1937
com_err(argv[0], 0, "file is not a directory");
1938
return;
1939
}
1940
1941
rds.parent = 0;
1942
rds.empty = 1;
1943
1944
retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1945
0, rmdir_proc, &rds);
1946
if (retval) {
1947
com_err(argv[0], retval, "while iterating over directory");
1948
return;
1949
}
1950
if (rds.empty == 0) {
1951
com_err(argv[0], 0, "directory not empty");
1952
return;
1953
}
1954
1955
inode.i_links_count = 0;
1956
if (debugfs_write_inode(inode_num, &inode, argv[0]))
1957
return;
1958
1959
unlink_file_by_name(argv[1]);
1960
kill_file_by_inode(inode_num);
1961
1962
if (rds.parent) {
1963
if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1964
return;
1965
if (inode.i_links_count > 1)
1966
inode.i_links_count--;
1967
if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1968
return;
1969
}
1970
}
1971
#endif /* READ_ONLY */
1972
1973
void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1974
char *argv[] EXT2FS_ATTR((unused)))
1975
{
1976
FILE *out = stdout;
1977
1978
if (current_fs)
1979
fprintf(out, "Open mode: read-%s\n",
1980
current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1981
fprintf(out, "Filesystem in use: %s\n",
1982
current_fs ? current_fs->device_name : "--none--");
1983
}
1984
1985
#ifndef READ_ONLY
1986
void do_expand_dir(int argc, char *argv[])
1987
{
1988
ext2_ino_t inode;
1989
int retval;
1990
1991
if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1992
return;
1993
1994
retval = ext2fs_expand_dir(current_fs, inode);
1995
if (retval)
1996
com_err("ext2fs_expand_dir", retval, 0);
1997
return;
1998
}
1999
2000
void do_features(int argc, char *argv[])
2001
{
2002
int i;
2003
2004
if (check_fs_open(argv[0]))
2005
return;
2006
2007
if ((argc != 1) && check_fs_read_write(argv[0]))
2008
return;
2009
for (i=1; i < argc; i++) {
2010
if (e2p_edit_feature(argv[i],
2011
¤t_fs->super->s_feature_compat, 0))
2012
com_err(argv[0], 0, "Unknown feature: %s\n",
2013
argv[i]);
2014
else
2015
ext2fs_mark_super_dirty(current_fs);
2016
}
2017
print_features(current_fs->super, stdout);
2018
}
2019
#endif /* READ_ONLY */
2020
2021
void do_bmap(int argc, char *argv[])
2022
{
2023
ext2_ino_t ino;
2024
blk64_t blk, pblk;
2025
int err;
2026
errcode_t errcode;
2027
2028
if (common_args_process(argc, argv, 3, 3, argv[0],
2029
"<file> logical_blk", 0))
2030
return;
2031
2032
ino = string_to_inode(argv[1]);
2033
if (!ino)
2034
return;
2035
blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
2036
2037
errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
2038
if (errcode) {
2039
com_err("argv[0]", errcode,
2040
"while mapping logical block %llu\n", blk);
2041
return;
2042
}
2043
printf("%llu\n", pblk);
2044
}
2045
2046
void do_imap(int argc, char *argv[])
2047
{
2048
ext2_ino_t ino;
2049
unsigned long group, block, block_nr, offset;
2050
2051
if (common_args_process(argc, argv, 2, 2, argv[0],
2052
"<file>", 0))
2053
return;
2054
ino = string_to_inode(argv[1]);
2055
if (!ino)
2056
return;
2057
2058
group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
2059
offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
2060
EXT2_INODE_SIZE(current_fs->super);
2061
block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
2062
if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
2063
com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2064
group);
2065
return;
2066
}
2067
block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
2068
block;
2069
offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2070
2071
printf("Inode %d is part of block group %lu\n"
2072
"\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2073
block_nr, offset);
2074
2075
}
2076
2077
#ifndef READ_ONLY
2078
void do_set_current_time(int argc, char *argv[])
2079
{
2080
time_t now;
2081
2082
if (common_args_process(argc, argv, 2, 2, argv[0],
2083
"<time>", 0))
2084
return;
2085
2086
now = string_to_time(argv[1]);
2087
if (now == ((time_t) -1)) {
2088
com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2089
argv[1]);
2090
return;
2091
2092
} else {
2093
printf("Setting current time to %s\n", time_to_string(now));
2094
current_fs->now = now;
2095
}
2096
}
2097
#endif /* READ_ONLY */
2098
2099
static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2100
{
2101
int compat, bit, ret;
2102
unsigned int feature_mask;
2103
2104
if (name) {
2105
if (feature_type == E2P_FS_FEATURE)
2106
ret = e2p_string2feature(name, &compat, &feature_mask);
2107
else
2108
ret = e2p_jrnl_string2feature(name, &compat,
2109
&feature_mask);
2110
if (ret)
2111
return ret;
2112
2113
if (!(supp[compat] & feature_mask))
2114
return 1;
2115
} else {
2116
for (compat = 0; compat < 3; compat++) {
2117
for (bit = 0, feature_mask = 1; bit < 32;
2118
bit++, feature_mask <<= 1) {
2119
if (supp[compat] & feature_mask) {
2120
if (feature_type == E2P_FS_FEATURE)
2121
fprintf(stdout, " %s",
2122
e2p_feature2string(compat,
2123
feature_mask));
2124
else
2125
fprintf(stdout, " %s",
2126
e2p_jrnl_feature2string(compat,
2127
feature_mask));
2128
}
2129
}
2130
}
2131
fprintf(stdout, "\n");
2132
}
2133
2134
return 0;
2135
}
2136
2137
void do_supported_features(int argc, char *argv[])
2138
{
2139
int ret;
2140
__u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2141
EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2142
EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2143
__u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2144
JFS_KNOWN_INCOMPAT_FEATURES,
2145
JFS_KNOWN_ROCOMPAT_FEATURES };
2146
2147
if (argc > 1) {
2148
ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2149
if (ret) {
2150
ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2151
argv[1]);
2152
}
2153
if (ret)
2154
com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2155
else
2156
fprintf(stdout, "Supported feature: %s\n", argv[1]);
2157
} else {
2158
fprintf(stdout, "Supported features:");
2159
ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2160
ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2161
}
2162
}
2163
2164
#ifndef READ_ONLY
2165
void do_punch(int argc, char *argv[])
2166
{
2167
ext2_ino_t ino;
2168
blk64_t start, end;
2169
int err;
2170
errcode_t errcode;
2171
2172
if (common_args_process(argc, argv, 3, 4, argv[0],
2173
"<file> start_blk [end_blk]",
2174
CHECK_FS_RW | CHECK_FS_BITMAPS))
2175
return;
2176
2177
ino = string_to_inode(argv[1]);
2178
if (!ino)
2179
return;
2180
start = parse_ulong(argv[2], argv[0], "logical_block", &err);
2181
if (argc == 4)
2182
end = parse_ulong(argv[3], argv[0], "logical_block", &err);
2183
else
2184
end = ~0;
2185
2186
errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2187
2188
if (errcode) {
2189
com_err(argv[0], errcode,
2190
"while truncating inode %u from %llu to %llu\n", ino,
2191
(unsigned long long) start, (unsigned long long) end);
2192
return;
2193
}
2194
}
2195
#endif /* READ_ONLY */
2196
2197
void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[])
2198
{
2199
struct ext2_super_block *sb;
2200
struct mmp_struct *mmp_s;
2201
time_t t;
2202
errcode_t retval = 0;
2203
2204
if (check_fs_open(argv[0]))
2205
return;
2206
2207
sb = current_fs->super;
2208
if (sb->s_mmp_block <= sb->s_first_data_block ||
2209
sb->s_mmp_block >= ext2fs_blocks_count(sb)) {
2210
com_err(argv[0], EXT2_ET_MMP_BAD_BLOCK, "while dumping it.\n");
2211
return;
2212
}
2213
2214
if (current_fs->mmp_buf == NULL) {
2215
retval = ext2fs_get_mem(current_fs->blocksize,
2216
¤t_fs->mmp_buf);
2217
if (retval) {
2218
com_err(argv[0], retval, "allocating MMP buffer.\n");
2219
return;
2220
}
2221
}
2222
2223
mmp_s = current_fs->mmp_buf;
2224
2225
retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block,
2226
current_fs->mmp_buf);
2227
if (retval) {
2228
com_err(argv[0], retval, "reading MMP block.\n");
2229
return;
2230
}
2231
2232
t = mmp_s->mmp_time;
2233
fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
2234
fprintf(stdout, "update_interval: %d\n",
2235
current_fs->super->s_mmp_update_interval);
2236
fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2237
fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2238
fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
2239
fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
2240
fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
2241
fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
2242
}
2243
2244
static int source_file(const char *cmd_file, int sci_idx)
2245
{
2246
FILE *f;
2247
char buf[256];
2248
char *cp;
2249
int exit_status = 0;
2250
int retval;
2251
2252
if (strcmp(cmd_file, "-") == 0)
2253
f = stdin;
2254
else {
2255
f = fopen(cmd_file, "r");
2256
if (!f) {
2257
perror(cmd_file);
2258
exit(1);
2259
}
2260
}
2261
fflush(stdout);
2262
fflush(stderr);
2263
setbuf(stdout, NULL);
2264
setbuf(stderr, NULL);
2265
while (!feof(f)) {
2266
if (fgets(buf, sizeof(buf), f) == NULL)
2267
break;
2268
cp = strchr(buf, '\n');
2269
if (cp)
2270
*cp = 0;
2271
cp = strchr(buf, '\r');
2272
if (cp)
2273
*cp = 0;
2274
printf("debugfs: %s\n", buf);
2275
retval = ss_execute_line(sci_idx, buf);
2276
if (retval) {
2277
ss_perror(sci_idx, retval, buf);
2278
exit_status++;
2279
}
2280
}
2281
if (f != stdin)
2282
fclose(f);
2283
return exit_status;
2284
}
2285
2286
int main(int argc, char **argv)
2287
{
2288
int retval;
2289
int sci_idx;
2290
const char *usage =
2291
"Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
2292
"[-R request] [-V] ["
2293
#ifndef READ_ONLY
2294
"[-w] "
2295
#endif
2296
"[-c] device]";
2297
int c;
2298
int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2299
char *request = 0;
2300
int exit_status = 0;
2301
char *cmd_file = 0;
2302
blk64_t superblock = 0;
2303
blk64_t blocksize = 0;
2304
int catastrophic = 0;
2305
char *data_filename = 0;
2306
#ifdef READ_ONLY
2307
const char *opt_string = "icR:f:b:s:Vd:D";
2308
#else
2309
const char *opt_string = "iwcR:f:b:s:Vd:D";
2310
#endif
2311
2312
if (debug_prog_name == 0)
2313
#ifdef READ_ONLY
2314
debug_prog_name = "rdebugfs";
2315
#else
2316
debug_prog_name = "debugfs";
2317
#endif
2318
add_error_table(&et_ext2_error_table);
2319
fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2320
E2FSPROGS_VERSION, E2FSPROGS_DATE);
2321
2322
while ((c = getopt (argc, argv, opt_string)) != EOF) {
2323
switch (c) {
2324
case 'R':
2325
request = optarg;
2326
break;
2327
case 'f':
2328
cmd_file = optarg;
2329
break;
2330
case 'd':
2331
data_filename = optarg;
2332
break;
2333
case 'i':
2334
open_flags |= EXT2_FLAG_IMAGE_FILE;
2335
break;
2336
#ifndef READ_ONLY
2337
case 'w':
2338
open_flags |= EXT2_FLAG_RW;
2339
break;
2340
#endif
2341
case 'D':
2342
open_flags |= EXT2_FLAG_DIRECT_IO;
2343
break;
2344
case 'b':
2345
blocksize = parse_ulong(optarg, argv[0],
2346
"block size", 0);
2347
break;
2348
case 's':
2349
superblock = parse_ulong(optarg, argv[0],
2350
"superblock number", 0);
2351
break;
2352
case 'c':
2353
catastrophic = 1;
2354
break;
2355
case 'V':
2356
/* Print version number and exit */
2357
fprintf(stderr, "\tUsing %s\n",
2358
error_message(EXT2_ET_BASE));
2359
exit(0);
2360
default:
2361
com_err(argv[0], 0, usage, debug_prog_name);
2362
return 1;
2363
}
2364
}
2365
if (optind < argc)
2366
open_filesystem(argv[optind], open_flags,
2367
superblock, blocksize, catastrophic,
2368
data_filename);
2369
2370
sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2371
&debug_cmds, &retval);
2372
if (retval) {
2373
ss_perror(sci_idx, retval, "creating invocation");
2374
exit(1);
2375
}
2376
ss_get_readline(sci_idx);
2377
2378
(void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2379
if (retval) {
2380
ss_perror(sci_idx, retval, "adding standard requests");
2381
exit (1);
2382
}
2383
if (extra_cmds)
2384
ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2385
if (retval) {
2386
ss_perror(sci_idx, retval, "adding extra requests");
2387
exit (1);
2388
}
2389
if (request) {
2390
retval = 0;
2391
retval = ss_execute_line(sci_idx, request);
2392
if (retval) {
2393
ss_perror(sci_idx, retval, request);
2394
exit_status++;
2395
}
2396
} else if (cmd_file) {
2397
exit_status = source_file(cmd_file, sci_idx);
2398
} else {
2399
ss_listen(sci_idx);
2400
}
2401
2402
ss_delete_invocation(sci_idx);
2403
2404
if (current_fs)
2405
close_filesystem();
2406
2407
remove_error_table(&et_ext2_error_table);
2408
return exit_status;
2409
}
Loggerhead is a web-based interface for Breezy
Version: 2.0.1