]>
git.ipfire.org Git - thirdparty/e2fsprogs.git/blob - debugfs/lsdel.c
2 * undelete.c --- routines to try to help a user recover a deleted file.
4 * Copyright (C) 1994 Theodore Ts'o. This file may be redistributed
5 * under the terms of the GNU Public License.
17 #include <sys/types.h>
39 static int deleted_info_compare(const void *a
, const void *b
)
41 const struct deleted_info
*arg1
, *arg2
;
43 arg1
= (const struct deleted_info
*) a
;
44 arg2
= (const struct deleted_info
*) b
;
46 return arg1
->dtime
- arg2
->dtime
;
49 static int lsdel_proc(ext2_filsys fs
,
54 struct lsdel_struct
*lsd
= (struct lsdel_struct
*) private;
58 if (*block_nr
< fs
->super
->s_first_data_block
||
59 *block_nr
>= fs
->super
->s_blocks_count
) {
64 if (!ext2fs_test_block_bitmap(fs
->block_map
,*block_nr
))
70 void do_lsdel(int argc
, char **argv
)
72 struct lsdel_struct lsd
;
73 struct deleted_info
*delarray
;
74 int num_delarray
, max_delarray
;
75 ext2_inode_scan scan
= 0;
77 struct ext2_inode inode
;
83 com_err(argv
[0], 0, "Usage: ls_deleted_inodes\n");
86 if (check_fs_open(argv
[0]))
91 delarray
= malloc(max_delarray
* sizeof(struct deleted_info
));
93 com_err("ls_deleted_inodes", ENOMEM
,
94 "while allocating deleted information storage");
98 block_buf
= malloc(current_fs
->blocksize
* 3);
100 com_err("ls_deleted_inodes", ENOMEM
, "while allocating block buffer");
104 retval
= ext2fs_open_inode_scan(current_fs
, 0, &scan
);
106 com_err("ls_deleted_inodes", retval
,
107 "while opening inode scan");
111 retval
= ext2fs_get_next_inode(scan
, &ino
, &inode
);
113 com_err("ls_deleted_inodes", retval
,
114 "while starting inode scan");
119 if (inode
.i_dtime
== 0)
127 retval
= ext2fs_block_iterate(current_fs
, ino
, 0, block_buf
,
130 com_err("ls_deleted_inodes", retval
,
131 "while calling ext2_block_iterate");
134 if (lsd
.free_blocks
&& !lsd
.bad_blocks
) {
135 if (num_delarray
>= max_delarray
) {
137 delarray
= realloc(delarray
,
138 max_delarray
* sizeof(struct deleted_info
));
140 com_err("ls_deleted_inodes",
142 "while reallocating array");
147 delarray
[num_delarray
].ino
= ino
;
148 delarray
[num_delarray
].mode
= inode
.i_mode
;
149 delarray
[num_delarray
].uid
= inode
.i_uid
;
150 delarray
[num_delarray
].size
= inode
.i_size
;
151 delarray
[num_delarray
].dtime
= inode
.i_dtime
;
152 delarray
[num_delarray
].num_blocks
= lsd
.num_blocks
;
153 delarray
[num_delarray
].free_blocks
= lsd
.free_blocks
;
158 retval
= ext2fs_get_next_inode(scan
, &ino
, &inode
);
160 com_err("ls_deleted_inodes", retval
,
161 "while doing inode scan");
166 printf("%d deleted inodes found.\n", num_delarray
);
167 printf(" Inode Owner Mode Size Blocks Time deleted\n");
169 qsort(delarray
, num_delarray
, sizeof(struct deleted_info
),
170 deleted_info_compare
);
172 for (i
= 0; i
< num_delarray
; i
++) {
173 printf("%6lu %6d %6o %6lu %4d/%4d %s", delarray
[i
].ino
,
174 delarray
[i
].uid
, delarray
[i
].mode
, delarray
[i
].size
,
175 delarray
[i
].free_blocks
, delarray
[i
].num_blocks
,
176 time_to_string(delarray
[i
].dtime
));
183 ext2fs_close_inode_scan(scan
);