2 * debugfs.c --- a program which allows you to attach an ext2fs
3 * filesystem and play with it.
5 * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
6 * under the terms of the GNU Public License.
8 * Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
27 #include <sys/types.h>
30 #include "et/com_err.h"
33 #include "uuid/uuid.h"
36 #include <ext2fs/ext2_ext_attr.h>
38 #include "../version.h"
41 extern ss_request_table debug_cmds
;
42 ss_request_table
*extra_cmds
;
43 const char *debug_prog_name
;
45 ext2_filsys current_fs
= NULL
;
48 static void open_filesystem(char *device
, int open_flags
, blk_t superblock
,
49 blk_t blocksize
, int catastrophic
,
53 io_channel data_io
= 0;
55 if (superblock
!= 0 && blocksize
== 0) {
56 com_err(device
, 0, "if you specify the superblock, you must also specify the block size");
62 if ((open_flags
& EXT2_FLAG_IMAGE_FILE
) == 0) {
64 "The -d option is only valid when reading an e2image file");
68 retval
= unix_io_manager
->open(data_filename
, 0, &data_io
);
70 com_err(data_filename
, 0, "while opening data source");
76 if (catastrophic
&& (open_flags
& EXT2_FLAG_RW
)) {
78 "opening read-only because of catastrophic mode");
79 open_flags
&= ~EXT2_FLAG_RW
;
82 retval
= ext2fs_open(device
, open_flags
, superblock
, blocksize
,
83 unix_io_manager
, ¤t_fs
);
85 com_err(device
, retval
, "while opening filesystem");
91 com_err(device
, 0, "catastrophic mode - not reading inode or group bitmaps");
93 retval
= ext2fs_read_inode_bitmap(current_fs
);
95 com_err(device
, retval
, "while reading inode bitmap");
98 retval
= ext2fs_read_block_bitmap(current_fs
);
100 com_err(device
, retval
, "while reading block bitmap");
106 retval
= ext2fs_set_data_io(current_fs
, data_io
);
108 com_err(device
, retval
,
109 "while setting data source");
114 root
= cwd
= EXT2_ROOT_INO
;
118 retval
= ext2fs_close(current_fs
);
120 com_err(device
, retval
, "while trying to close filesystem");
124 void do_open_filesys(int argc
, char **argv
)
127 int catastrophic
= 0;
128 blk_t superblock
= 0;
130 int open_flags
= EXT2_FLAG_SOFTSUPP_FEATURES
;
131 char *data_filename
= 0;
134 while ((c
= getopt (argc
, argv
, "iwfecb:s:d:")) != EOF
) {
137 open_flags
|= EXT2_FLAG_IMAGE_FILE
;
140 open_flags
|= EXT2_FLAG_RW
;
143 open_flags
|= EXT2_FLAG_FORCE
;
146 open_flags
|= EXT2_FLAG_EXCLUSIVE
;
152 data_filename
= optarg
;
155 blocksize
= parse_ulong(optarg
, argv
[0],
161 superblock
= parse_ulong(optarg
, argv
[0],
162 "superblock number", &err
);
170 if (optind
!= argc
-1) {
173 if (check_fs_not_open(argv
[0]))
175 open_filesystem(argv
[optind
], open_flags
,
176 superblock
, blocksize
, catastrophic
,
181 fprintf(stderr
, "%s: Usage: open [-s superblock] [-b blocksize] "
182 "[-c] [-w] <device>\n", argv
[0]);
185 void do_lcd(int argc
, char **argv
)
188 com_err(argv
[0], 0, "Usage: %s %s", argv
[0], "<native dir>");
192 if (chdir(argv
[1]) == -1) {
193 com_err(argv
[0], errno
,
194 "while trying to change native directory to %s",
200 static void close_filesystem(NOARGS
)
204 if (current_fs
->flags
& EXT2_FLAG_IB_DIRTY
) {
205 retval
= ext2fs_write_inode_bitmap(current_fs
);
207 com_err("ext2fs_write_inode_bitmap", retval
, 0);
209 if (current_fs
->flags
& EXT2_FLAG_BB_DIRTY
) {
210 retval
= ext2fs_write_block_bitmap(current_fs
);
212 com_err("ext2fs_write_block_bitmap", retval
, 0);
214 retval
= ext2fs_close(current_fs
);
216 com_err("ext2fs_close", retval
, 0);
221 void do_close_filesys(int argc
, char **argv
)
225 if (check_fs_open(argv
[0]))
229 while ((c
= getopt (argc
, argv
, "a")) != EOF
) {
232 current_fs
->flags
&= ~EXT2_FLAG_MASTER_SB_ONLY
;
241 com_err(0, 0, "Usage: close_filesys [-a]");
248 void do_init_filesys(int argc
, char **argv
)
250 struct ext2_super_block param
;
254 if (common_args_process(argc
, argv
, 3, 3, "initialize",
255 "<device> <blocksize>", CHECK_FS_NOTOPEN
))
258 memset(¶m
, 0, sizeof(struct ext2_super_block
));
259 param
.s_blocks_count
= parse_ulong(argv
[2], argv
[0],
260 "blocks count", &err
);
263 retval
= ext2fs_initialize(argv
[1], 0, ¶m
,
264 unix_io_manager
, ¤t_fs
);
266 com_err(argv
[1], retval
, "while initializing filesystem");
270 root
= cwd
= EXT2_ROOT_INO
;
274 static void print_features(struct ext2_super_block
* s
, FILE *f
)
277 __u32
*mask
= &s
->s_feature_compat
, m
;
279 fputs("Filesystem features:", f
);
280 for (i
=0; i
<3; i
++,mask
++) {
281 for (j
=0,m
=1; j
< 32; j
++, m
<<=1) {
283 fprintf(f
, " %s", e2p_feature2string(i
, m
));
293 static void print_bg_opts(struct ext2_group_desc
*gdp
, int mask
,
294 const char *str
, int *first
, FILE *f
)
296 if (gdp
->bg_flags
& mask
) {
306 void do_show_super_stats(int argc
, char *argv
[])
310 struct ext2_group_desc
*gdp
;
311 int c
, header_only
= 0;
312 int numdirs
= 0, first
, gdt_csum
;
315 while ((c
= getopt (argc
, argv
, "h")) != EOF
) {
324 if (optind
!= argc
) {
327 if (check_fs_open(argv
[0]))
331 list_super2(current_fs
->super
, out
);
332 for (i
=0; i
< current_fs
->group_desc_count
; i
++)
333 numdirs
+= current_fs
->group_desc
[i
].bg_used_dirs_count
;
334 fprintf(out
, "Directories: %d\n", numdirs
);
341 gdt_csum
= EXT2_HAS_RO_COMPAT_FEATURE(current_fs
->super
,
342 EXT4_FEATURE_RO_COMPAT_GDT_CSUM
);
343 gdp
= ¤t_fs
->group_desc
[0];
344 for (i
= 0; i
< current_fs
->group_desc_count
; i
++, gdp
++) {
345 fprintf(out
, " Group %2d: block bitmap at %u, "
346 "inode bitmap at %u, "
347 "inode table at %u\n"
351 i
, gdp
->bg_block_bitmap
,
352 gdp
->bg_inode_bitmap
, gdp
->bg_inode_table
,
353 gdp
->bg_free_blocks_count
,
354 gdp
->bg_free_blocks_count
!= 1 ? "blocks" : "block",
355 gdp
->bg_free_inodes_count
,
356 gdp
->bg_free_inodes_count
!= 1 ? "inodes" : "inode",
357 gdp
->bg_used_dirs_count
,
358 gdp
->bg_used_dirs_count
!= 1 ? "directories"
359 : "directory", gdt_csum
? ", " : "\n");
361 fprintf(out
, "%d unused %s\n",
362 gdp
->bg_itable_unused
,
363 gdp
->bg_itable_unused
!= 1 ? "inodes":"inode");
365 print_bg_opts(gdp
, EXT2_BG_INODE_UNINIT
, "Inode not init",
367 print_bg_opts(gdp
, EXT2_BG_BLOCK_UNINIT
, "Block not init",
370 fprintf(out
, "%sChecksum 0x%04x",
371 first
? " [":", ", gdp
->bg_checksum
);
380 fprintf(stderr
, "%s: Usage: show_super [-h]\n", argv
[0]);
383 void do_dirty_filesys(int argc
EXT2FS_ATTR((unused
)),
384 char **argv
EXT2FS_ATTR((unused
)))
386 if (check_fs_open(argv
[0]))
388 if (check_fs_read_write(argv
[0]))
391 if (argv
[1] && !strcmp(argv
[1], "-clean"))
392 current_fs
->super
->s_state
|= EXT2_VALID_FS
;
394 current_fs
->super
->s_state
&= ~EXT2_VALID_FS
;
395 ext2fs_mark_super_dirty(current_fs
);
398 struct list_blocks_struct
{
401 blk_t first_block
, last_block
;
402 e2_blkcnt_t first_bcnt
, last_bcnt
;
406 static void finish_range(struct list_blocks_struct
*lb
)
408 if (lb
->first_block
== 0)
413 fprintf(lb
->f
, ", ");
414 if (lb
->first_block
== lb
->last_block
)
415 fprintf(lb
->f
, "(%lld):%u",
416 (long long)lb
->first_bcnt
, lb
->first_block
);
418 fprintf(lb
->f
, "(%lld-%lld):%u-%u",
419 (long long)lb
->first_bcnt
, (long long)lb
->last_bcnt
,
420 lb
->first_block
, lb
->last_block
);
424 static int list_blocks_proc(ext2_filsys fs
EXT2FS_ATTR((unused
)),
425 blk_t
*blocknr
, e2_blkcnt_t blockcnt
,
426 blk_t ref_block
EXT2FS_ATTR((unused
)),
427 int ref_offset
EXT2FS_ATTR((unused
)),
430 struct list_blocks_struct
*lb
= (struct list_blocks_struct
*) private;
435 * See if we can add on to the existing range (if it exists)
437 if (lb
->first_block
&&
438 (lb
->last_block
+1 == *blocknr
) &&
439 (lb
->last_bcnt
+1 == blockcnt
)) {
440 lb
->last_block
= *blocknr
;
441 lb
->last_bcnt
= blockcnt
;
448 lb
->first_block
= lb
->last_block
= *blocknr
;
449 lb
->first_bcnt
= lb
->last_bcnt
= blockcnt
;
453 * Not a normal block. Always force a new range.
459 fprintf(lb
->f
, ", ");
461 fprintf(lb
->f
, "(IND):%u", *blocknr
);
462 else if (blockcnt
== -2)
463 fprintf(lb
->f
, "(DIND):%u", *blocknr
);
464 else if (blockcnt
== -3)
465 fprintf(lb
->f
, "(TIND):%u", *blocknr
);
469 static void dump_xattr_string(FILE *out
, const char *str
, int len
)
474 /* check: is string "printable enough?" */
475 for (i
= 0; i
< len
; i
++)
479 if (printable
<= len
*7/8)
482 for (i
= 0; i
< len
; i
++)
484 fprintf(out
, isprint(str
[i
]) ? "%c" : "\\%03o",
485 (unsigned char)str
[i
]);
487 fprintf(out
, "%02x ", (unsigned char)str
[i
]);
490 static void internal_dump_inode_extra(FILE *out
,
491 const char *prefix
EXT2FS_ATTR((unused
)),
492 ext2_ino_t inode_num
EXT2FS_ATTR((unused
)),
493 struct ext2_inode_large
*inode
)
495 struct ext2_ext_attr_entry
*entry
;
498 unsigned int storage_size
;
500 fprintf(out
, "Size of extra inode fields: %u\n", inode
->i_extra_isize
);
501 if (inode
->i_extra_isize
> EXT2_INODE_SIZE(current_fs
->super
) -
502 EXT2_GOOD_OLD_INODE_SIZE
) {
503 fprintf(stderr
, "invalid inode->i_extra_isize (%u)\n",
504 inode
->i_extra_isize
);
507 storage_size
= EXT2_INODE_SIZE(current_fs
->super
) -
508 EXT2_GOOD_OLD_INODE_SIZE
-
509 inode
->i_extra_isize
;
510 magic
= (__u32
*)((char *)inode
+ EXT2_GOOD_OLD_INODE_SIZE
+
511 inode
->i_extra_isize
);
512 if (*magic
== EXT2_EXT_ATTR_MAGIC
) {
513 fprintf(out
, "Extended attributes stored in inode body: \n");
514 end
= (char *) inode
+ EXT2_INODE_SIZE(current_fs
->super
);
515 start
= (char *) magic
+ sizeof(__u32
);
516 entry
= (struct ext2_ext_attr_entry
*) start
;
517 while (!EXT2_EXT_IS_LAST_ENTRY(entry
)) {
518 struct ext2_ext_attr_entry
*next
=
519 EXT2_EXT_ATTR_NEXT(entry
);
520 if (entry
->e_value_size
> storage_size
||
521 (char *) next
>= end
) {
522 fprintf(out
, "invalid EA entry in inode\n");
526 dump_xattr_string(out
, EXT2_EXT_ATTR_NAME(entry
),
528 fprintf(out
, " = \"");
529 dump_xattr_string(out
, start
+ entry
->e_value_offs
,
530 entry
->e_value_size
);
531 fprintf(out
, "\" (%u)\n", entry
->e_value_size
);
537 static void dump_blocks(FILE *f
, const char *prefix
, ext2_ino_t inode
)
539 struct list_blocks_struct lb
;
541 fprintf(f
, "%sBLOCKS:\n%s", prefix
, prefix
);
546 ext2fs_block_iterate2(current_fs
, inode
, BLOCK_FLAG_READ_ONLY
, NULL
,
547 list_blocks_proc
, (void *)&lb
);
550 fprintf(f
, "\n%sTOTAL: %lld\n", prefix
, (long long)lb
.total
);
554 static int int_log10(unsigned long long arg
)
566 #define DUMP_LEAF_EXTENTS 0x01
567 #define DUMP_NODE_EXTENTS 0x02
568 #define DUMP_EXTENT_TABLE 0x04
570 static void dump_extents(FILE *f
, const char *prefix
, ext2_ino_t ino
,
571 int flags
, int logical_width
, int physical_width
)
573 ext2_extent_handle_t handle
;
574 struct ext2fs_extent extent
;
575 struct ext2_extent_info info
;
576 int op
= EXT2_EXTENT_ROOT
;
577 unsigned int printed
= 0;
580 errcode
= ext2fs_extent_open(current_fs
, ino
, &handle
);
584 if (flags
& DUMP_EXTENT_TABLE
)
585 fprintf(f
, "Level Entries %*s %*s Length Flags\n",
586 (logical_width
*2)+3, "Logical",
587 (physical_width
*2)+3, "Physical");
589 fprintf(f
, "%sEXTENTS:\n%s", prefix
, prefix
);
592 errcode
= ext2fs_extent_get(handle
, op
, &extent
);
597 op
= EXT2_EXTENT_NEXT
;
599 if (extent
.e_flags
& EXT2_EXTENT_FLAGS_SECOND_VISIT
)
602 if (extent
.e_flags
& EXT2_EXTENT_FLAGS_LEAF
) {
603 if ((flags
& DUMP_LEAF_EXTENTS
) == 0)
606 if ((flags
& DUMP_NODE_EXTENTS
) == 0)
610 errcode
= ext2fs_extent_get_info(handle
, &info
);
614 if (!(extent
.e_flags
& EXT2_EXTENT_FLAGS_LEAF
)) {
615 if (extent
.e_flags
& EXT2_EXTENT_FLAGS_SECOND_VISIT
)
618 if (flags
& DUMP_EXTENT_TABLE
) {
619 fprintf(f
, "%2d/%2d %3d/%3d %*llu - %*llu "
621 info
.curr_level
, info
.max_depth
,
622 info
.curr_entry
, info
.num_entries
,
626 extent
.e_lblk
+ (extent
.e_len
- 1),
629 physical_width
+3, "", extent
.e_len
);
633 fprintf(f
, "%s(ETB l%d/n%d, %lld-%lld, blk %lld)",
634 printed
? ", " : "", info
.curr_level
,
637 extent
.e_lblk
+ (extent
.e_len
- 1),
643 if (flags
& DUMP_EXTENT_TABLE
) {
644 fprintf(f
, "%2d/%2d %3d/%3d %*llu - %*llu "
645 "%*llu - %*llu %6u %s\n",
646 info
.curr_level
, info
.max_depth
,
647 info
.curr_entry
, info
.num_entries
,
651 extent
.e_lblk
+ (extent
.e_len
- 1),
655 extent
.e_pblk
+ (extent
.e_len
- 1),
657 extent
.e_flags
& EXT2_EXTENT_FLAGS_UNINIT
?
662 if (extent
.e_len
== 0)
664 else if (extent
.e_len
== 1)
669 extent
.e_flags
& EXT2_EXTENT_FLAGS_UNINIT
?
674 "%s(%lld-%lld%s): %lld-%lld",
677 extent
.e_lblk
+ (extent
.e_len
- 1),
678 extent
.e_flags
& EXT2_EXTENT_FLAGS_UNINIT
?
681 extent
.e_pblk
+ (extent
.e_len
- 1));
688 void internal_dump_inode(FILE *out
, const char *prefix
,
689 ext2_ino_t inode_num
, struct ext2_inode
*inode
,
694 int os
= current_fs
->super
->s_creator_os
;
695 struct ext2_inode_large
*large_inode
;
696 int is_large_inode
= 0;
698 if (EXT2_INODE_SIZE(current_fs
->super
) > EXT2_GOOD_OLD_INODE_SIZE
)
700 large_inode
= (struct ext2_inode_large
*) inode
;
702 if (LINUX_S_ISDIR(inode
->i_mode
)) i_type
= "directory";
703 else if (LINUX_S_ISREG(inode
->i_mode
)) i_type
= "regular";
704 else if (LINUX_S_ISLNK(inode
->i_mode
)) i_type
= "symlink";
705 else if (LINUX_S_ISBLK(inode
->i_mode
)) i_type
= "block special";
706 else if (LINUX_S_ISCHR(inode
->i_mode
)) i_type
= "character special";
707 else if (LINUX_S_ISFIFO(inode
->i_mode
)) i_type
= "FIFO";
708 else if (LINUX_S_ISSOCK(inode
->i_mode
)) i_type
= "socket";
709 else i_type
= "bad type";
710 fprintf(out
, "%sInode: %u Type: %s ", prefix
, inode_num
, i_type
);
711 fprintf(out
, "%sMode: %04o Flags: 0x%x\n",
712 prefix
, inode
->i_mode
& 0777, inode
->i_flags
);
713 if (is_large_inode
&& large_inode
->i_extra_isize
>= 24) {
714 fprintf(out
, "%sGeneration: %u Version: 0x%08x:%08x\n",
715 prefix
, inode
->i_generation
, large_inode
->i_version_hi
,
716 inode
->osd1
.linux1
.l_i_version
);
718 fprintf(out
, "%sGeneration: %u Version: 0x%08x\n", prefix
,
719 inode
->i_generation
, inode
->osd1
.linux1
.l_i_version
);
721 fprintf(out
, "%sUser: %5d Group: %5d Size: ",
722 prefix
, inode_uid(*inode
), inode_gid(*inode
));
723 if (LINUX_S_ISREG(inode
->i_mode
)) {
724 unsigned long long i_size
= (inode
->i_size
|
725 ((unsigned long long)inode
->i_size_high
<< 32));
727 fprintf(out
, "%llu\n", i_size
);
729 fprintf(out
, "%d\n", inode
->i_size
);
730 if (os
== EXT2_OS_HURD
)
732 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
734 inode
->i_file_acl
, LINUX_S_ISDIR(inode
->i_mode
) ? inode
->i_dir_acl
: 0,
735 inode
->osd1
.hurd1
.h_i_translator
);
737 fprintf(out
, "%sFile ACL: %llu Directory ACL: %d\n",
739 inode
->i_file_acl
| ((long long)
740 (inode
->osd2
.linux2
.l_i_file_acl_high
) << 32),
741 LINUX_S_ISDIR(inode
->i_mode
) ? inode
->i_dir_acl
: 0);
742 if (os
== EXT2_OS_LINUX
)
743 fprintf(out
, "%sLinks: %d Blockcount: %llu\n",
744 prefix
, inode
->i_links_count
,
745 (((unsigned long long)
746 inode
->osd2
.linux2
.l_i_blocks_hi
<< 32)) +
749 fprintf(out
, "%sLinks: %d Blockcount: %u\n",
750 prefix
, inode
->i_links_count
, inode
->i_blocks
);
753 frag
= inode
->osd2
.hurd2
.h_i_frag
;
754 fsize
= inode
->osd2
.hurd2
.h_i_fsize
;
759 fprintf(out
, "%sFragment: Address: %d Number: %d Size: %d\n",
760 prefix
, inode
->i_faddr
, frag
, fsize
);
761 if (is_large_inode
&& large_inode
->i_extra_isize
>= 24) {
762 fprintf(out
, "%s ctime: 0x%08x:%08x -- %s", prefix
,
763 inode
->i_ctime
, large_inode
->i_ctime_extra
,
764 time_to_string(inode
->i_ctime
));
765 fprintf(out
, "%s atime: 0x%08x:%08x -- %s", prefix
,
766 inode
->i_atime
, large_inode
->i_atime_extra
,
767 time_to_string(inode
->i_atime
));
768 fprintf(out
, "%s mtime: 0x%08x:%08x -- %s", prefix
,
769 inode
->i_mtime
, large_inode
->i_mtime_extra
,
770 time_to_string(inode
->i_mtime
));
771 fprintf(out
, "%scrtime: 0x%08x:%08x -- %s", prefix
,
772 large_inode
->i_crtime
, large_inode
->i_crtime_extra
,
773 time_to_string(large_inode
->i_crtime
));
775 fprintf(out
, "%sctime: 0x%08x -- %s", prefix
, inode
->i_ctime
,
776 time_to_string(inode
->i_ctime
));
777 fprintf(out
, "%satime: 0x%08x -- %s", prefix
, inode
->i_atime
,
778 time_to_string(inode
->i_atime
));
779 fprintf(out
, "%smtime: 0x%08x -- %s", prefix
, inode
->i_mtime
,
780 time_to_string(inode
->i_mtime
));
783 fprintf(out
, "%sdtime: 0x%08x -- %s", prefix
, inode
->i_dtime
,
784 time_to_string(inode
->i_dtime
));
785 if (EXT2_INODE_SIZE(current_fs
->super
) > EXT2_GOOD_OLD_INODE_SIZE
)
786 internal_dump_inode_extra(out
, prefix
, inode_num
,
787 (struct ext2_inode_large
*) inode
);
788 if (LINUX_S_ISLNK(inode
->i_mode
) && ext2fs_inode_data_blocks(current_fs
,inode
) == 0)
789 fprintf(out
, "%sFast_link_dest: %.*s\n", prefix
,
790 (int) inode
->i_size
, (char *)inode
->i_block
);
791 else if (LINUX_S_ISBLK(inode
->i_mode
) || LINUX_S_ISCHR(inode
->i_mode
)) {
795 if (inode
->i_block
[0]) {
796 major
= (inode
->i_block
[0] >> 8) & 255;
797 minor
= inode
->i_block
[0] & 255;
800 major
= (inode
->i_block
[1] & 0xfff00) >> 8;
801 minor
= ((inode
->i_block
[1] & 0xff) |
802 ((inode
->i_block
[1] >> 12) & 0xfff00));
803 devnote
= "(New-style) ";
805 fprintf(out
, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
806 devnote
, major
, minor
, major
, minor
);
807 } else if (do_dump_blocks
) {
808 if (inode
->i_flags
& EXT4_EXTENTS_FL
)
809 dump_extents(out
, prefix
, inode_num
,
810 DUMP_LEAF_EXTENTS
|DUMP_NODE_EXTENTS
, 0, 0);
812 dump_blocks(out
, prefix
, inode_num
);
816 static void dump_inode(ext2_ino_t inode_num
, struct ext2_inode
*inode
)
821 internal_dump_inode(out
, "", inode_num
, inode
, 1);
825 void do_stat(int argc
, char *argv
[])
828 struct ext2_inode
* inode_buf
;
830 if (check_fs_open(argv
[0]))
833 inode_buf
= (struct ext2_inode
*)
834 malloc(EXT2_INODE_SIZE(current_fs
->super
));
836 fprintf(stderr
, "do_stat: can't allocate buffer\n");
840 if (common_inode_args_process(argc
, argv
, &inode
, 0)) {
845 if (debugfs_read_inode_full(inode
, inode_buf
, argv
[0],
846 EXT2_INODE_SIZE(current_fs
->super
))) {
851 dump_inode(inode
, inode_buf
);
856 void do_dump_extents(int argc
, char *argv
[])
858 struct ext2_inode inode
;
866 while ((c
= getopt(argc
, argv
, "nl")) != EOF
) {
869 flags
|= DUMP_NODE_EXTENTS
;
872 flags
|= DUMP_LEAF_EXTENTS
;
877 if (argc
!= optind
+1) {
879 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
884 flags
= DUMP_NODE_EXTENTS
| DUMP_LEAF_EXTENTS
;
885 flags
|= DUMP_EXTENT_TABLE
;
887 if (check_fs_open(argv
[0]))
890 ino
= string_to_inode(argv
[optind
]);
894 if (debugfs_read_inode(ino
, &inode
, argv
[0]))
897 if ((inode
.i_flags
& EXT4_EXTENTS_FL
) == 0) {
898 fprintf(stderr
, "%s: does not uses extent block maps\n",
903 logical_width
= int_log10(((inode
.i_size
|
904 (__u64
) inode
.i_size_high
<< 32) +
905 current_fs
->blocksize
- 1) /
906 current_fs
->blocksize
) + 1;
907 if (logical_width
< 5)
909 physical_width
= int_log10(current_fs
->super
->s_blocks_count
) + 1;
910 if (physical_width
< 5)
914 dump_extents(out
, "", ino
, flags
, logical_width
, physical_width
);
919 void do_chroot(int argc
, char *argv
[])
924 if (common_inode_args_process(argc
, argv
, &inode
, 0))
927 retval
= ext2fs_check_directory(current_fs
, inode
);
929 com_err(argv
[1], retval
, 0);
935 void do_clri(int argc
, char *argv
[])
938 struct ext2_inode inode_buf
;
940 if (common_inode_args_process(argc
, argv
, &inode
, CHECK_FS_RW
))
943 if (debugfs_read_inode(inode
, &inode_buf
, argv
[0]))
945 memset(&inode_buf
, 0, sizeof(inode_buf
));
946 if (debugfs_write_inode(inode
, &inode_buf
, argv
[0]))
950 void do_freei(int argc
, char *argv
[])
954 if (common_inode_args_process(argc
, argv
, &inode
,
955 CHECK_FS_RW
| CHECK_FS_BITMAPS
))
958 if (!ext2fs_test_inode_bitmap(current_fs
->inode_map
,inode
))
959 com_err(argv
[0], 0, "Warning: inode already clear");
960 ext2fs_unmark_inode_bitmap(current_fs
->inode_map
,inode
);
961 ext2fs_mark_ib_dirty(current_fs
);
964 void do_seti(int argc
, char *argv
[])
968 if (common_inode_args_process(argc
, argv
, &inode
,
969 CHECK_FS_RW
| CHECK_FS_BITMAPS
))
972 if (ext2fs_test_inode_bitmap(current_fs
->inode_map
,inode
))
973 com_err(argv
[0], 0, "Warning: inode already set");
974 ext2fs_mark_inode_bitmap(current_fs
->inode_map
,inode
);
975 ext2fs_mark_ib_dirty(current_fs
);
978 void do_testi(int argc
, char *argv
[])
982 if (common_inode_args_process(argc
, argv
, &inode
, CHECK_FS_BITMAPS
))
985 if (ext2fs_test_inode_bitmap(current_fs
->inode_map
,inode
))
986 printf("Inode %u is marked in use\n", inode
);
988 printf("Inode %u is not in use\n", inode
);
991 void do_freeb(int argc
, char *argv
[])
996 if (common_block_args_process(argc
, argv
, &block
, &count
))
998 if (check_fs_read_write(argv
[0]))
1000 while (count
-- > 0) {
1001 if (!ext2fs_test_block_bitmap(current_fs
->block_map
,block
))
1002 com_err(argv
[0], 0, "Warning: block %u already clear",
1004 ext2fs_unmark_block_bitmap(current_fs
->block_map
,block
);
1007 ext2fs_mark_bb_dirty(current_fs
);
1010 void do_setb(int argc
, char *argv
[])
1015 if (common_block_args_process(argc
, argv
, &block
, &count
))
1017 if (check_fs_read_write(argv
[0]))
1019 while (count
-- > 0) {
1020 if (ext2fs_test_block_bitmap(current_fs
->block_map
,block
))
1021 com_err(argv
[0], 0, "Warning: block %u already set",
1023 ext2fs_mark_block_bitmap(current_fs
->block_map
,block
);
1026 ext2fs_mark_bb_dirty(current_fs
);
1029 void do_testb(int argc
, char *argv
[])
1034 if (common_block_args_process(argc
, argv
, &block
, &count
))
1036 while (count
-- > 0) {
1037 if (ext2fs_test_block_bitmap(current_fs
->block_map
,block
))
1038 printf("Block %u marked in use\n", block
);
1040 printf("Block %u not in use\n", block
);
1045 static void modify_u8(char *com
, const char *prompt
,
1046 const char *format
, __u8
*val
)
1052 sprintf(buf
, format
, *val
);
1053 printf("%30s [%s] ", prompt
, buf
);
1054 if (!fgets(buf
, sizeof(buf
), stdin
))
1056 if (buf
[strlen (buf
) - 1] == '\n')
1057 buf
[strlen (buf
) - 1] = '\0';
1060 v
= strtoul(buf
, &tmp
, 0);
1062 com_err(com
, 0, "Bad value - %s", buf
);
1067 static void modify_u16(char *com
, const char *prompt
,
1068 const char *format
, __u16
*val
)
1074 sprintf(buf
, format
, *val
);
1075 printf("%30s [%s] ", prompt
, buf
);
1076 if (!fgets(buf
, sizeof(buf
), stdin
))
1078 if (buf
[strlen (buf
) - 1] == '\n')
1079 buf
[strlen (buf
) - 1] = '\0';
1082 v
= strtoul(buf
, &tmp
, 0);
1084 com_err(com
, 0, "Bad value - %s", buf
);
1089 static void modify_u32(char *com
, const char *prompt
,
1090 const char *format
, __u32
*val
)
1096 sprintf(buf
, format
, *val
);
1097 printf("%30s [%s] ", prompt
, buf
);
1098 if (!fgets(buf
, sizeof(buf
), stdin
))
1100 if (buf
[strlen (buf
) - 1] == '\n')
1101 buf
[strlen (buf
) - 1] = '\0';
1104 v
= strtoul(buf
, &tmp
, 0);
1106 com_err(com
, 0, "Bad value - %s", buf
);
1112 void do_modify_inode(int argc
, char *argv
[])
1114 struct ext2_inode inode
;
1115 ext2_ino_t inode_num
;
1117 unsigned char *frag
, *fsize
;
1120 const char *hex_format
= "0x%x";
1121 const char *octal_format
= "0%o";
1122 const char *decimal_format
= "%d";
1123 const char *unsignedlong_format
= "%lu";
1125 if (common_inode_args_process(argc
, argv
, &inode_num
, CHECK_FS_RW
))
1128 os
= current_fs
->super
->s_creator_os
;
1130 if (debugfs_read_inode(inode_num
, &inode
, argv
[1]))
1133 modify_u16(argv
[0], "Mode", octal_format
, &inode
.i_mode
);
1134 modify_u16(argv
[0], "User ID", decimal_format
, &inode
.i_uid
);
1135 modify_u16(argv
[0], "Group ID", decimal_format
, &inode
.i_gid
);
1136 modify_u32(argv
[0], "Size", unsignedlong_format
, &inode
.i_size
);
1137 modify_u32(argv
[0], "Creation time", decimal_format
, &inode
.i_ctime
);
1138 modify_u32(argv
[0], "Modification time", decimal_format
, &inode
.i_mtime
);
1139 modify_u32(argv
[0], "Access time", decimal_format
, &inode
.i_atime
);
1140 modify_u32(argv
[0], "Deletion time", decimal_format
, &inode
.i_dtime
);
1141 modify_u16(argv
[0], "Link count", decimal_format
, &inode
.i_links_count
);
1142 if (os
== EXT2_OS_LINUX
)
1143 modify_u16(argv
[0], "Block count high", unsignedlong_format
,
1144 &inode
.osd2
.linux2
.l_i_blocks_hi
);
1145 modify_u32(argv
[0], "Block count", unsignedlong_format
, &inode
.i_blocks
);
1146 modify_u32(argv
[0], "File flags", hex_format
, &inode
.i_flags
);
1147 modify_u32(argv
[0], "Generation", hex_format
, &inode
.i_generation
);
1149 modify_u32(argv
[0], "Reserved1", decimal_format
, &inode
.i_reserved1
);
1151 modify_u32(argv
[0], "File acl", decimal_format
, &inode
.i_file_acl
);
1152 if (LINUX_S_ISDIR(inode
.i_mode
))
1153 modify_u32(argv
[0], "Directory acl", decimal_format
, &inode
.i_dir_acl
);
1155 modify_u32(argv
[0], "High 32bits of size", decimal_format
, &inode
.i_size_high
);
1157 if (os
== EXT2_OS_HURD
)
1158 modify_u32(argv
[0], "Translator Block",
1159 decimal_format
, &inode
.osd1
.hurd1
.h_i_translator
);
1161 modify_u32(argv
[0], "Fragment address", decimal_format
, &inode
.i_faddr
);
1164 frag
= &inode
.osd2
.hurd2
.h_i_frag
;
1165 fsize
= &inode
.osd2
.hurd2
.h_i_fsize
;
1171 modify_u8(argv
[0], "Fragment number", decimal_format
, frag
);
1173 modify_u8(argv
[0], "Fragment size", decimal_format
, fsize
);
1175 for (i
=0; i
< EXT2_NDIR_BLOCKS
; i
++) {
1176 sprintf(buf
, "Direct Block #%d", i
);
1177 modify_u32(argv
[0], buf
, decimal_format
, &inode
.i_block
[i
]);
1179 modify_u32(argv
[0], "Indirect Block", decimal_format
,
1180 &inode
.i_block
[EXT2_IND_BLOCK
]);
1181 modify_u32(argv
[0], "Double Indirect Block", decimal_format
,
1182 &inode
.i_block
[EXT2_DIND_BLOCK
]);
1183 modify_u32(argv
[0], "Triple Indirect Block", decimal_format
,
1184 &inode
.i_block
[EXT2_TIND_BLOCK
]);
1185 if (debugfs_write_inode(inode_num
, &inode
, argv
[1]))
1189 void do_change_working_dir(int argc
, char *argv
[])
1194 if (common_inode_args_process(argc
, argv
, &inode
, 0))
1197 retval
= ext2fs_check_directory(current_fs
, inode
);
1199 com_err(argv
[1], retval
, 0);
1206 void do_print_working_directory(int argc
, char *argv
[])
1209 char *pathname
= NULL
;
1211 if (common_args_process(argc
, argv
, 1, 1,
1212 "print_working_directory", "", 0))
1215 retval
= ext2fs_get_pathname(current_fs
, cwd
, 0, &pathname
);
1217 com_err(argv
[0], retval
,
1218 "while trying to get pathname of cwd");
1220 printf("[pwd] INODE: %6u PATH: %s\n",
1221 cwd
, pathname
? pathname
: "NULL");
1226 retval
= ext2fs_get_pathname(current_fs
, root
, 0, &pathname
);
1228 com_err(argv
[0], retval
,
1229 "while trying to get pathname of root");
1231 printf("[root] INODE: %6u PATH: %s\n",
1232 root
, pathname
? pathname
: "NULL");
1241 * Given a mode, return the ext2 file type
1243 static int ext2_file_type(unsigned int mode
)
1245 if (LINUX_S_ISREG(mode
))
1246 return EXT2_FT_REG_FILE
;
1248 if (LINUX_S_ISDIR(mode
))
1251 if (LINUX_S_ISCHR(mode
))
1252 return EXT2_FT_CHRDEV
;
1254 if (LINUX_S_ISBLK(mode
))
1255 return EXT2_FT_BLKDEV
;
1257 if (LINUX_S_ISLNK(mode
))
1258 return EXT2_FT_SYMLINK
;
1260 if (LINUX_S_ISFIFO(mode
))
1261 return EXT2_FT_FIFO
;
1263 if (LINUX_S_ISSOCK(mode
))
1264 return EXT2_FT_SOCK
;
1269 static void make_link(char *sourcename
, char *destname
)
1272 struct ext2_inode inode
;
1275 char *dest
, *cp
, *base_name
;
1278 * Get the source inode
1280 ino
= string_to_inode(sourcename
);
1283 base_name
= strrchr(sourcename
, '/');
1287 base_name
= sourcename
;
1289 * Figure out the destination. First see if it exists and is
1292 if (! (retval
=ext2fs_namei(current_fs
, root
, cwd
, destname
, &dir
)))
1296 * OK, it doesn't exist. See if it is
1297 * '<dir>/basename' or 'basename'
1299 cp
= strrchr(destname
, '/');
1302 dir
= string_to_inode(destname
);
1312 if (debugfs_read_inode(ino
, &inode
, sourcename
))
1315 retval
= ext2fs_link(current_fs
, dir
, dest
, ino
,
1316 ext2_file_type(inode
.i_mode
));
1318 com_err("make_link", retval
, 0);
1323 void do_link(int argc
, char *argv
[])
1325 if (common_args_process(argc
, argv
, 3, 3, "link",
1326 "<source file> <dest_name>", CHECK_FS_RW
))
1329 make_link(argv
[1], argv
[2]);
1332 static int mark_blocks_proc(ext2_filsys fs
, blk_t
*blocknr
,
1333 int blockcnt
EXT2FS_ATTR((unused
)),
1334 void *private EXT2FS_ATTR((unused
)))
1339 ext2fs_block_alloc_stats(fs
, block
, +1);
1343 void do_undel(int argc
, char *argv
[])
1346 struct ext2_inode inode
;
1348 if (common_args_process(argc
, argv
, 2, 3, "undelete",
1349 "<inode_num> [dest_name]",
1350 CHECK_FS_RW
| CHECK_FS_BITMAPS
))
1353 ino
= string_to_inode(argv
[1]);
1357 if (debugfs_read_inode(ino
, &inode
, argv
[1]))
1360 if (ext2fs_test_inode_bitmap(current_fs
->inode_map
, ino
)) {
1361 com_err(argv
[1], 0, "Inode is not marked as deleted");
1366 * XXX this function doesn't handle changing the links count on the
1367 * parent directory when undeleting a directory.
1369 inode
.i_links_count
= LINUX_S_ISDIR(inode
.i_mode
) ? 2 : 1;
1372 if (debugfs_write_inode(ino
, &inode
, argv
[0]))
1375 ext2fs_block_iterate(current_fs
, ino
, BLOCK_FLAG_READ_ONLY
, NULL
,
1376 mark_blocks_proc
, NULL
);
1378 ext2fs_inode_alloc_stats2(current_fs
, ino
, +1, 0);
1381 make_link(argv
[1], argv
[2]);
1384 static void unlink_file_by_name(char *filename
)
1390 base_name
= strrchr(filename
, '/');
1392 *base_name
++ = '\0';
1393 dir
= string_to_inode(filename
);
1398 base_name
= filename
;
1400 retval
= ext2fs_unlink(current_fs
, dir
, base_name
, 0, 0);
1402 com_err("unlink_file_by_name", retval
, 0);
1406 void do_unlink(int argc
, char *argv
[])
1408 if (common_args_process(argc
, argv
, 2, 2, "link",
1409 "<pathname>", CHECK_FS_RW
))
1412 unlink_file_by_name(argv
[1]);
1415 void do_find_free_block(int argc
, char *argv
[])
1417 blk_t free_blk
, goal
, first_free
= 0;
1422 if ((argc
> 3) || (argc
==2 && *argv
[1] == '?')) {
1423 com_err(argv
[0], 0, "Usage: find_free_block [count [goal]]");
1426 if (check_fs_open(argv
[0]))
1430 count
= strtol(argv
[1],&tmp
,0);
1432 com_err(argv
[0], 0, "Bad count - %s", argv
[1]);
1439 goal
= strtol(argv
[2], &tmp
, 0);
1441 com_err(argv
[0], 0, "Bad goal - %s", argv
[1]);
1446 goal
= current_fs
->super
->s_first_data_block
;
1448 printf("Free blocks found: ");
1449 free_blk
= goal
- 1;
1450 while (count
-- > 0) {
1451 retval
= ext2fs_new_block(current_fs
, free_blk
+ 1, 0,
1454 if (first_free
== free_blk
)
1457 first_free
= free_blk
;
1459 com_err("ext2fs_new_block", retval
, 0);
1462 printf("%u ", free_blk
);
1467 void do_find_free_inode(int argc
, char *argv
[])
1469 ext2_ino_t free_inode
, dir
;
1474 if (argc
> 3 || (argc
>1 && *argv
[1] == '?')) {
1475 com_err(argv
[0], 0, "Usage: find_free_inode [dir] [mode]");
1478 if (check_fs_open(argv
[0]))
1482 dir
= strtol(argv
[1], &tmp
, 0);
1484 com_err(argv
[0], 0, "Bad dir - %s", argv
[1]);
1491 mode
= strtol(argv
[2], &tmp
, 0);
1493 com_err(argv
[0], 0, "Bad mode - %s", argv
[2]);
1499 retval
= ext2fs_new_inode(current_fs
, dir
, mode
, 0, &free_inode
);
1501 com_err("ext2fs_new_inode", retval
, 0);
1503 printf("Free inode found: %u\n", free_inode
);
1506 static errcode_t
copy_file(int fd
, ext2_ino_t newfile
)
1508 ext2_file_t e2_file
;
1511 unsigned int written
;
1515 retval
= ext2fs_file_open(current_fs
, newfile
,
1516 EXT2_FILE_WRITE
, &e2_file
);
1521 got
= read(fd
, buf
, sizeof(buf
));
1530 retval
= ext2fs_file_write(e2_file
, ptr
,
1539 retval
= ext2fs_file_close(e2_file
);
1543 (void) ext2fs_file_close(e2_file
);
1548 void do_write(int argc
, char *argv
[])
1551 struct stat statbuf
;
1554 struct ext2_inode inode
;
1556 if (common_args_process(argc
, argv
, 3, 3, "write",
1557 "<native file> <new file>", CHECK_FS_RW
))
1560 fd
= open(argv
[1], O_RDONLY
);
1562 com_err(argv
[1], errno
, 0);
1565 if (fstat(fd
, &statbuf
) < 0) {
1566 com_err(argv
[1], errno
, 0);
1571 retval
= ext2fs_namei(current_fs
, root
, cwd
, argv
[2], &newfile
);
1573 com_err(argv
[0], 0, "The file '%s' already exists\n", argv
[2]);
1578 retval
= ext2fs_new_inode(current_fs
, cwd
, 010755, 0, &newfile
);
1580 com_err(argv
[0], retval
, 0);
1584 printf("Allocated inode: %u\n", newfile
);
1585 retval
= ext2fs_link(current_fs
, cwd
, argv
[2], newfile
,
1587 if (retval
== EXT2_ET_DIR_NO_SPACE
) {
1588 retval
= ext2fs_expand_dir(current_fs
, cwd
);
1590 com_err(argv
[0], retval
, "while expanding directory");
1594 retval
= ext2fs_link(current_fs
, cwd
, argv
[2], newfile
,
1598 com_err(argv
[2], retval
, 0);
1602 if (ext2fs_test_inode_bitmap(current_fs
->inode_map
,newfile
))
1603 com_err(argv
[0], 0, "Warning: inode already set");
1604 ext2fs_inode_alloc_stats2(current_fs
, newfile
, +1, 0);
1605 memset(&inode
, 0, sizeof(inode
));
1606 inode
.i_mode
= (statbuf
.st_mode
& ~LINUX_S_IFMT
) | LINUX_S_IFREG
;
1607 inode
.i_atime
= inode
.i_ctime
= inode
.i_mtime
=
1608 current_fs
->now
? current_fs
->now
: time(0);
1609 inode
.i_links_count
= 1;
1610 inode
.i_size
= statbuf
.st_size
;
1611 if (current_fs
->super
->s_feature_incompat
&
1612 EXT3_FEATURE_INCOMPAT_EXTENTS
)
1613 inode
.i_flags
|= EXT4_EXTENTS_FL
;
1614 if (debugfs_write_new_inode(newfile
, &inode
, argv
[0])) {
1618 if (LINUX_S_ISREG(inode
.i_mode
)) {
1619 retval
= copy_file(fd
, newfile
);
1621 com_err("copy_file", retval
, 0);
1626 void do_mknod(int argc
, char *argv
[])
1628 unsigned long mode
, major
, minor
;
1631 struct ext2_inode inode
;
1634 if (check_fs_open(argv
[0]))
1636 if (argc
< 3 || argv
[2][1]) {
1638 com_err(argv
[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1641 mode
= minor
= major
= 0;
1642 switch (argv
[2][0]) {
1644 mode
= LINUX_S_IFIFO
;
1645 filetype
= EXT2_FT_FIFO
;
1649 mode
= LINUX_S_IFCHR
;
1650 filetype
= EXT2_FT_CHRDEV
;
1654 mode
= LINUX_S_IFBLK
;
1655 filetype
= EXT2_FT_BLKDEV
;
1663 major
= strtoul(argv
[3], argv
+3, 0);
1664 minor
= strtoul(argv
[4], argv
+4, 0);
1665 if (major
> 65535 || minor
> 65535 || argv
[3][0] || argv
[4][0])
1670 if (check_fs_read_write(argv
[0]))
1672 retval
= ext2fs_new_inode(current_fs
, cwd
, 010755, 0, &newfile
);
1674 com_err(argv
[0], retval
, 0);
1677 printf("Allocated inode: %u\n", newfile
);
1678 retval
= ext2fs_link(current_fs
, cwd
, argv
[1], newfile
, filetype
);
1679 if (retval
== EXT2_ET_DIR_NO_SPACE
) {
1680 retval
= ext2fs_expand_dir(current_fs
, cwd
);
1682 com_err(argv
[0], retval
, "while expanding directory");
1685 retval
= ext2fs_link(current_fs
, cwd
, argv
[1], newfile
,
1689 com_err(argv
[1], retval
, 0);
1692 if (ext2fs_test_inode_bitmap(current_fs
->inode_map
,newfile
))
1693 com_err(argv
[0], 0, "Warning: inode already set");
1694 ext2fs_mark_inode_bitmap(current_fs
->inode_map
, newfile
);
1695 ext2fs_mark_ib_dirty(current_fs
);
1696 memset(&inode
, 0, sizeof(inode
));
1697 inode
.i_mode
= mode
;
1698 inode
.i_atime
= inode
.i_ctime
= inode
.i_mtime
=
1699 current_fs
->now
? current_fs
->now
: time(0);
1700 if ((major
< 256) && (minor
< 256)) {
1701 inode
.i_block
[0] = major
*256+minor
;
1702 inode
.i_block
[1] = 0;
1704 inode
.i_block
[0] = 0;
1705 inode
.i_block
[1] = (minor
& 0xff) | (major
<< 8) | ((minor
& ~0xff) << 12);
1707 inode
.i_links_count
= 1;
1708 if (debugfs_write_new_inode(newfile
, &inode
, argv
[0]))
1712 void do_mkdir(int argc
, char *argv
[])
1719 if (common_args_process(argc
, argv
, 2, 2, "mkdir",
1720 "<filename>", CHECK_FS_RW
))
1723 cp
= strrchr(argv
[1], '/');
1726 parent
= string_to_inode(argv
[1]);
1728 com_err(argv
[1], ENOENT
, 0);
1738 retval
= ext2fs_mkdir(current_fs
, parent
, 0, name
);
1739 if (retval
== EXT2_ET_DIR_NO_SPACE
) {
1740 retval
= ext2fs_expand_dir(current_fs
, parent
);
1742 com_err(argv
[0], retval
, "while expanding directory");
1748 com_err("ext2fs_mkdir", retval
, 0);
1754 static int release_blocks_proc(ext2_filsys fs
, blk_t
*blocknr
,
1755 int blockcnt
EXT2FS_ATTR((unused
)),
1756 void *private EXT2FS_ATTR((unused
)))
1761 ext2fs_block_alloc_stats(fs
, block
, -1);
1765 static void kill_file_by_inode(ext2_ino_t inode
)
1767 struct ext2_inode inode_buf
;
1769 if (debugfs_read_inode(inode
, &inode_buf
, 0))
1771 inode_buf
.i_dtime
= current_fs
->now
? current_fs
->now
: time(0);
1772 if (debugfs_write_inode(inode
, &inode_buf
, 0))
1774 if (!ext2fs_inode_has_valid_blocks(&inode_buf
))
1777 ext2fs_block_iterate(current_fs
, inode
, BLOCK_FLAG_READ_ONLY
, NULL
,
1778 release_blocks_proc
, NULL
);
1780 ext2fs_inode_alloc_stats2(current_fs
, inode
, -1,
1781 LINUX_S_ISDIR(inode_buf
.i_mode
));
1785 void do_kill_file(int argc
, char *argv
[])
1787 ext2_ino_t inode_num
;
1789 if (common_inode_args_process(argc
, argv
, &inode_num
, CHECK_FS_RW
))
1792 kill_file_by_inode(inode_num
);
1795 void do_rm(int argc
, char *argv
[])
1798 ext2_ino_t inode_num
;
1799 struct ext2_inode inode
;
1801 if (common_args_process(argc
, argv
, 2, 2, "rm",
1802 "<filename>", CHECK_FS_RW
))
1805 retval
= ext2fs_namei(current_fs
, root
, cwd
, argv
[1], &inode_num
);
1807 com_err(argv
[0], retval
, "while trying to resolve filename");
1811 if (debugfs_read_inode(inode_num
, &inode
, argv
[0]))
1814 if (LINUX_S_ISDIR(inode
.i_mode
)) {
1815 com_err(argv
[0], 0, "file is a directory");
1819 --inode
.i_links_count
;
1820 if (debugfs_write_inode(inode_num
, &inode
, argv
[0]))
1823 unlink_file_by_name(argv
[1]);
1824 if (inode
.i_links_count
== 0)
1825 kill_file_by_inode(inode_num
);
1833 static int rmdir_proc(ext2_ino_t dir
EXT2FS_ATTR((unused
)),
1834 int entry
EXT2FS_ATTR((unused
)),
1835 struct ext2_dir_entry
*dirent
,
1836 int offset
EXT2FS_ATTR((unused
)),
1837 int blocksize
EXT2FS_ATTR((unused
)),
1838 char *buf
EXT2FS_ATTR((unused
)),
1841 struct rd_struct
*rds
= (struct rd_struct
*) private;
1843 if (dirent
->inode
== 0)
1845 if (((dirent
->name_len
&0xFF) == 1) && (dirent
->name
[0] == '.'))
1847 if (((dirent
->name_len
&0xFF) == 2) && (dirent
->name
[0] == '.') &&
1848 (dirent
->name
[1] == '.')) {
1849 rds
->parent
= dirent
->inode
;
1856 void do_rmdir(int argc
, char *argv
[])
1859 ext2_ino_t inode_num
;
1860 struct ext2_inode inode
;
1861 struct rd_struct rds
;
1863 if (common_args_process(argc
, argv
, 2, 2, "rmdir",
1864 "<filename>", CHECK_FS_RW
))
1867 retval
= ext2fs_namei(current_fs
, root
, cwd
, argv
[1], &inode_num
);
1869 com_err(argv
[0], retval
, "while trying to resolve filename");
1873 if (debugfs_read_inode(inode_num
, &inode
, argv
[0]))
1876 if (!LINUX_S_ISDIR(inode
.i_mode
)) {
1877 com_err(argv
[0], 0, "file is not a directory");
1884 retval
= ext2fs_dir_iterate2(current_fs
, inode_num
, 0,
1885 0, rmdir_proc
, &rds
);
1887 com_err(argv
[0], retval
, "while iterating over directory");
1890 if (rds
.empty
== 0) {
1891 com_err(argv
[0], 0, "directory not empty");
1895 inode
.i_links_count
= 0;
1896 if (debugfs_write_inode(inode_num
, &inode
, argv
[0]))
1899 unlink_file_by_name(argv
[1]);
1900 kill_file_by_inode(inode_num
);
1903 if (debugfs_read_inode(rds
.parent
, &inode
, argv
[0]))
1905 if (inode
.i_links_count
> 1)
1906 inode
.i_links_count
--;
1907 if (debugfs_write_inode(rds
.parent
, &inode
, argv
[0]))
1912 void do_show_debugfs_params(int argc
EXT2FS_ATTR((unused
)),
1913 char *argv
[] EXT2FS_ATTR((unused
)))
1918 fprintf(out
, "Open mode: read-%s\n",
1919 current_fs
->flags
& EXT2_FLAG_RW
? "write" : "only");
1920 fprintf(out
, "Filesystem in use: %s\n",
1921 current_fs
? current_fs
->device_name
: "--none--");
1924 void do_expand_dir(int argc
, char *argv
[])
1929 if (common_inode_args_process(argc
, argv
, &inode
, CHECK_FS_RW
))
1932 retval
= ext2fs_expand_dir(current_fs
, inode
);
1934 com_err("ext2fs_expand_dir", retval
, 0);
1938 void do_features(int argc
, char *argv
[])
1942 if (check_fs_open(argv
[0]))
1945 if ((argc
!= 1) && check_fs_read_write(argv
[0]))
1947 for (i
=1; i
< argc
; i
++) {
1948 if (e2p_edit_feature(argv
[i
],
1949 ¤t_fs
->super
->s_feature_compat
, 0))
1950 com_err(argv
[0], 0, "Unknown feature: %s\n",
1953 ext2fs_mark_super_dirty(current_fs
);
1955 print_features(current_fs
->super
, stdout
);
1958 void do_bmap(int argc
, char *argv
[])
1965 if (common_args_process(argc
, argv
, 3, 3, argv
[0],
1966 "<file> logical_blk", 0))
1969 ino
= string_to_inode(argv
[1]);
1972 blk
= parse_ulong(argv
[2], argv
[0], "logical_block", &err
);
1974 errcode
= ext2fs_bmap(current_fs
, ino
, 0, 0, 0, blk
, &pblk
);
1976 com_err("argv[0]", errcode
,
1977 "while mapping logical block %u\n", blk
);
1980 printf("%u\n", pblk
);
1983 void do_imap(int argc
, char *argv
[])
1986 unsigned long group
, block
, block_nr
, offset
;
1988 if (common_args_process(argc
, argv
, 2, 2, argv
[0],
1991 ino
= string_to_inode(argv
[1]);
1995 group
= (ino
- 1) / EXT2_INODES_PER_GROUP(current_fs
->super
);
1996 offset
= ((ino
- 1) % EXT2_INODES_PER_GROUP(current_fs
->super
)) *
1997 EXT2_INODE_SIZE(current_fs
->super
);
1998 block
= offset
>> EXT2_BLOCK_SIZE_BITS(current_fs
->super
);
1999 if (!current_fs
->group_desc
[(unsigned)group
].bg_inode_table
) {
2000 com_err(argv
[0], 0, "Inode table for group %lu is missing\n",
2004 block_nr
= current_fs
->group_desc
[(unsigned)group
].bg_inode_table
+
2006 offset
&= (EXT2_BLOCK_SIZE(current_fs
->super
) - 1);
2008 printf("Inode %d is part of block group %lu\n"
2009 "\tlocated at block %lu, offset 0x%04lx\n", ino
, group
,
2014 void do_set_current_time(int argc
, char *argv
[])
2018 if (common_args_process(argc
, argv
, 2, 2, argv
[0],
2022 now
= string_to_time(argv
[1]);
2023 if (now
== ((time_t) -1)) {
2024 com_err(argv
[0], 0, "Couldn't parse argument as a time: %s\n",
2029 printf("Setting current time to %s\n", time_to_string(now
));
2030 current_fs
->now
= now
;
2034 static int find_supp_feature(__u32
*supp
, int feature_type
, char *name
)
2036 int compat
, bit
, ret
;
2037 unsigned int feature_mask
;
2040 if (feature_type
== E2P_FS_FEATURE
)
2041 ret
= e2p_string2feature(name
, &compat
, &feature_mask
);
2043 ret
= e2p_jrnl_string2feature(name
, &compat
,
2048 if (!(supp
[compat
] & feature_mask
))
2051 for (compat
= 0; compat
< 3; compat
++) {
2052 for (bit
= 0, feature_mask
= 1; bit
< 32;
2053 bit
++, feature_mask
<<= 1) {
2054 if (supp
[compat
] & feature_mask
) {
2055 if (feature_type
== E2P_FS_FEATURE
)
2056 fprintf(stdout
, " %s",
2057 e2p_feature2string(compat
,
2060 fprintf(stdout
, " %s",
2061 e2p_jrnl_feature2string(compat
,
2066 fprintf(stdout
, "\n");
2072 void do_supported_features(int argc
, char *argv
[])
2075 __u32 supp
[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP
,
2076 EXT2_LIB_FEATURE_INCOMPAT_SUPP
,
2077 EXT2_LIB_FEATURE_RO_COMPAT_SUPP
};
2078 __u32 jrnl_supp
[3] = { JFS_KNOWN_COMPAT_FEATURES
,
2079 JFS_KNOWN_INCOMPAT_FEATURES
,
2080 JFS_KNOWN_ROCOMPAT_FEATURES
};
2083 ret
= find_supp_feature(supp
, E2P_FS_FEATURE
, argv
[1]);
2085 ret
= find_supp_feature(jrnl_supp
, E2P_JOURNAL_FEATURE
,
2089 com_err(argv
[0], 0, "Unknown feature: %s\n", argv
[1]);
2091 fprintf(stdout
, "Supported feature: %s\n", argv
[1]);
2093 fprintf(stdout
, "Supported features:");
2094 ret
= find_supp_feature(supp
, E2P_FS_FEATURE
, NULL
);
2095 ret
= find_supp_feature(jrnl_supp
, E2P_JOURNAL_FEATURE
, NULL
);
2099 static int source_file(const char *cmd_file
, int sci_idx
)
2104 int exit_status
= 0;
2107 if (strcmp(cmd_file
, "-") == 0)
2110 f
= fopen(cmd_file
, "r");
2118 setbuf(stdout
, NULL
);
2119 setbuf(stderr
, NULL
);
2121 if (fgets(buf
, sizeof(buf
), f
) == NULL
)
2123 cp
= strchr(buf
, '\n');
2126 cp
= strchr(buf
, '\r');
2129 printf("debugfs: %s\n", buf
);
2130 retval
= ss_execute_line(sci_idx
, buf
);
2132 ss_perror(sci_idx
, retval
, buf
);
2141 int main(int argc
, char **argv
)
2145 const char *usage
= "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
2147 int open_flags
= EXT2_FLAG_SOFTSUPP_FEATURES
;
2149 int exit_status
= 0;
2151 blk_t superblock
= 0;
2152 blk_t blocksize
= 0;
2153 int catastrophic
= 0;
2154 char *data_filename
= 0;
2156 if (debug_prog_name
== 0)
2157 debug_prog_name
= "debugfs";
2159 add_error_table(&et_ext2_error_table
);
2160 fprintf (stderr
, "%s %s (%s)\n", debug_prog_name
,
2161 E2FSPROGS_VERSION
, E2FSPROGS_DATE
);
2163 while ((c
= getopt (argc
, argv
, "iwcR:f:b:s:Vd:")) != EOF
) {
2172 data_filename
= optarg
;
2175 open_flags
|= EXT2_FLAG_IMAGE_FILE
;
2178 open_flags
|= EXT2_FLAG_RW
;
2181 blocksize
= parse_ulong(optarg
, argv
[0],
2185 superblock
= parse_ulong(optarg
, argv
[0],
2186 "superblock number", 0);
2192 /* Print version number and exit */
2193 fprintf(stderr
, "\tUsing %s\n",
2194 error_message(EXT2_ET_BASE
));
2197 com_err(argv
[0], 0, usage
, debug_prog_name
);
2202 open_filesystem(argv
[optind
], open_flags
,
2203 superblock
, blocksize
, catastrophic
,
2206 sci_idx
= ss_create_invocation(debug_prog_name
, "0.0", (char *) NULL
,
2207 &debug_cmds
, &retval
);
2209 ss_perror(sci_idx
, retval
, "creating invocation");
2212 ss_get_readline(sci_idx
);
2214 (void) ss_add_request_table (sci_idx
, &ss_std_requests
, 1, &retval
);
2216 ss_perror(sci_idx
, retval
, "adding standard requests");
2220 ss_add_request_table (sci_idx
, extra_cmds
, 1, &retval
);
2222 ss_perror(sci_idx
, retval
, "adding extra requests");
2227 retval
= ss_execute_line(sci_idx
, request
);
2229 ss_perror(sci_idx
, retval
, request
);
2232 } else if (cmd_file
) {
2233 exit_status
= source_file(cmd_file
, sci_idx
);
2238 ss_delete_invocation(sci_idx
);
2243 remove_error_table(&et_ext2_error_table
);