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1/* vi: set sw=4 ts=4: */
2#include <sys/types.h>
3#include <stdio.h>
4#include <string.h>
5#include <unistd.h>
6#include <stdlib.h>
7#include <time.h>
8#include <fcntl.h>
9#include <ctype.h>
10#include <setjmp.h>
11#include <errno.h>
12#include <getopt.h>
13#include <limits.h>
14#include <stddef.h>
15#include <assert.h>
16#include <signal.h>
17#include <sys/stat.h>
18#include <sys/resource.h>
19#include <sys/param.h>
20#include <sys/mount.h>
21#include <sys/ioctl.h>
22#include <termios.h>
23#include <mntent.h>
24#include <dirent.h>
25#include "ext2fs/kernel-list.h"
26#include <sys/types.h>
27#include <linux/types.h>
28
29/*
30 * Now pull in the real linux/jfs.h definitions.
31 */
32#include "ext2fs/kernel-jbd.h"
33
34
35
36#include "fsck.h"
37
38#include "ext2fs/ext2_fs.h"
39#include "blkid/blkid.h"
40#include "ext2fs/ext2_ext_attr.h"
41#include "uuid/uuid.h"
42#include "busybox.h"
43
44#ifdef HAVE_CONIO_H
45#undef HAVE_TERMIOS_H
46#include <conio.h>
47#define read_a_char() getch()
48#else
49#ifdef HAVE_TERMIOS_H
50#include <termios.h>
51#endif
52#endif
53
54
55/*
56 * The last ext2fs revision level that this version of e2fsck is able to
57 * support
58 */
59#define E2FSCK_CURRENT_REV 1
60
61/* Used by the region allocation code */
62typedef __u32 region_addr_t;
63typedef struct region_struct *region_t;
64
65struct dx_dirblock_info {
66 int type;
67 blk_t phys;
68 int flags;
69 blk_t parent;
70 ext2_dirhash_t min_hash;
71 ext2_dirhash_t max_hash;
72 ext2_dirhash_t node_min_hash;
73 ext2_dirhash_t node_max_hash;
74};
75
76/*
77These defines are used in the type field of dx_dirblock_info
78*/
79
80#define DX_DIRBLOCK_ROOT 1
81#define DX_DIRBLOCK_LEAF 2
82#define DX_DIRBLOCK_NODE 3
83
84
85/*
86The following defines are used in the 'flags' field of a dx_dirblock_info
87*/
88#define DX_FLAG_REFERENCED 1
89#define DX_FLAG_DUP_REF 2
90#define DX_FLAG_FIRST 4
91#define DX_FLAG_LAST 8
92
93/*
94 * E2fsck options
95 */
96#define E2F_OPT_READONLY 0x0001
97#define E2F_OPT_PREEN 0x0002
98#define E2F_OPT_YES 0x0004
99#define E2F_OPT_NO 0x0008
100#define E2F_OPT_TIME 0x0010
101#define E2F_OPT_CHECKBLOCKS 0x0040
102#define E2F_OPT_DEBUG 0x0080
103#define E2F_OPT_FORCE 0x0100
104#define E2F_OPT_WRITECHECK 0x0200
105#define E2F_OPT_COMPRESS_DIRS 0x0400
106
107/*
108 * E2fsck flags
109 */
110#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
111#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
112#define E2F_FLAG_SIGNAL_MASK 0x0003
113#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
114
115#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
116
117#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
118#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
119#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
120#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
121 * specified by the user */
122#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
123#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
124
125
126/*Don't know where these come from*/
127#define READ 0
128#define WRITE 1
129#define cpu_to_be32(n) htonl(n)
130#define be32_to_cpu(n) ntohl(n)
131
132/*
133 * We define a set of "latch groups"; these are problems which are
134 * handled as a set. The user answers once for a particular latch
135 * group.
136 */
137#define PR_LATCH_MASK 0x0ff0 /* Latch mask */
138#define PR_LATCH_BLOCK 0x0010 /* Latch for illegal blocks (pass 1) */
139#define PR_LATCH_BBLOCK 0x0020 /* Latch for bad block inode blocks (pass 1) */
140#define PR_LATCH_IBITMAP 0x0030 /* Latch for pass 5 inode bitmap proc. */
141#define PR_LATCH_BBITMAP 0x0040 /* Latch for pass 5 inode bitmap proc. */
142#define PR_LATCH_RELOC 0x0050 /* Latch for superblock relocate hint */
143#define PR_LATCH_DBLOCK 0x0060 /* Latch for pass 1b dup block headers */
144#define PR_LATCH_LOW_DTIME 0x0070 /* Latch for pass1 orphaned list refugees */
145#define PR_LATCH_TOOBIG 0x0080 /* Latch for file to big errors */
146#define PR_LATCH_OPTIMIZE_DIR 0x0090 /* Latch for optimize directories */
147
148#define PR_LATCH(x) ((((x) & PR_LATCH_MASK) >> 4) - 1)
149
150/*
151 * Latch group descriptor flags
152 */
153#define PRL_YES 0x0001 /* Answer yes */
154#define PRL_NO 0x0002 /* Answer no */
155#define PRL_LATCHED 0x0004 /* The latch group is latched */
156#define PRL_SUPPRESS 0x0008 /* Suppress all latch group questions */
157
158#define PRL_VARIABLE 0x000f /* All the flags that need to be reset */
159
160/*
161 * Pre-Pass 1 errors
162 */
163
164#define PR_0_BB_NOT_GROUP 0x000001 /* Block bitmap not in group */
165#define PR_0_IB_NOT_GROUP 0x000002 /* Inode bitmap not in group */
166#define PR_0_ITABLE_NOT_GROUP 0x000003 /* Inode table not in group */
167#define PR_0_SB_CORRUPT 0x000004 /* Superblock corrupt */
168#define PR_0_FS_SIZE_WRONG 0x000005 /* Filesystem size is wrong */
169#define PR_0_NO_FRAGMENTS 0x000006 /* Fragments not supported */
170#define PR_0_BLOCKS_PER_GROUP 0x000007 /* Bad blocks_per_group */
171#define PR_0_FIRST_DATA_BLOCK 0x000008 /* Bad first_data_block */
172#define PR_0_ADD_UUID 0x000009 /* Adding UUID to filesystem */
173#define PR_0_RELOCATE_HINT 0x00000A /* Relocate hint */
174#define PR_0_MISC_CORRUPT_SUPER 0x00000B /* Miscellaneous superblock corruption */
175#define PR_0_GETSIZE_ERROR 0x00000C /* Error determing physical device size of filesystem */
176#define PR_0_INODE_COUNT_WRONG 0x00000D /* Inode count in the superblock incorrect */
177#define PR_0_HURD_CLEAR_FILETYPE 0x00000E /* The Hurd does not support the filetype feature */
178#define PR_0_JOURNAL_BAD_INODE 0x00000F /* The Hurd does not support the filetype feature */
179#define PR_0_JOURNAL_UNSUPP_MULTIFS 0x000010 /* The external journal has multiple filesystems (which we can't handle yet) */
180#define PR_0_CANT_FIND_JOURNAL 0x000011 /* Can't find external journal */
181#define PR_0_EXT_JOURNAL_BAD_SUPER 0x000012/* External journal has bad superblock */
182#define PR_0_JOURNAL_BAD_UUID 0x000013 /* Superblock has a bad journal UUID */
183#define PR_0_JOURNAL_UNSUPP_SUPER 0x000014 /* Journal has an unknown superblock type */
184#define PR_0_JOURNAL_BAD_SUPER 0x000015 /* Journal superblock is corrupt */
185#define PR_0_JOURNAL_HAS_JOURNAL 0x000016 /* Journal superblock is corrupt */
186#define PR_0_JOURNAL_RECOVER_SET 0x000017 /* Superblock has recovery flag set but no journal */
187#define PR_0_JOURNAL_RECOVERY_CLEAR 0x000018 /* Journal has data, but recovery flag is clear */
188#define PR_0_JOURNAL_RESET_JOURNAL 0x000019 /* Ask if we should clear the journal */
189#define PR_0_FS_REV_LEVEL 0x00001A /* Filesystem revision is 0, but feature flags are set */
190#define PR_0_ORPHAN_CLEAR_INODE 0x000020 /* Clearing orphan inode */
191#define PR_0_ORPHAN_ILLEGAL_BLOCK_NUM 0x000021 /* Illegal block found in orphaned inode */
192#define PR_0_ORPHAN_ALREADY_CLEARED_BLOCK 0x000022 /* Already cleared block found in orphaned inode */
193#define PR_0_ORPHAN_ILLEGAL_HEAD_INODE 0x000023 /* Illegal orphan inode in superblock */
194#define PR_0_ORPHAN_ILLEGAL_INODE 0x000024 /* Illegal inode in orphaned inode list */
195#define PR_0_JOURNAL_UNSUPP_ROCOMPAT 0x000025 /* Journal has unsupported read-only feature - abort */
196#define PR_0_JOURNAL_UNSUPP_INCOMPAT 0x000026 /* Journal has unsupported incompatible feature - abort */
197#define PR_0_JOURNAL_UNSUPP_VERSION 0x000027 /* Journal has unsupported version number */
198#define PR_0_MOVE_JOURNAL 0x000028 /* Moving journal to hidden file */
199#define PR_0_ERR_MOVE_JOURNAL 0x000029 /* Error moving journal */
200#define PR_0_CLEAR_V2_JOURNAL 0x00002A /* Clearing V2 journal superblock */
201#define PR_0_JOURNAL_RUN 0x00002B /* Run journal anyway */
202#define PR_0_JOURNAL_RUN_DEFAULT 0x00002C /* Run journal anyway by default */
203#define PR_0_BACKUP_JNL 0x00002D /* Backup journal inode blocks */
204#define PR_0_NONZERO_RESERVED_GDT_BLOCKS 0x00002E /* Reserved blocks w/o resize_inode */
205#define PR_0_CLEAR_RESIZE_INODE 0x00002F /* Resize_inode not enabled, but resize inode is non-zero */
206#define PR_0_RESIZE_INODE_INVALID 0x000030 /* Resize inode invalid */
207
208/*
209 * Pass 1 errors
210 */
211
212#define PR_1_PASS_HEADER 0x010000 /* Pass 1: Checking inodes, blocks, and sizes */
213#define PR_1_ROOT_NO_DIR 0x010001 /* Root directory is not an inode */
214#define PR_1_ROOT_DTIME 0x010002 /* Root directory has dtime set */
215#define PR_1_RESERVED_BAD_MODE 0x010003 /* Reserved inode has bad mode */
216#define PR_1_ZERO_DTIME 0x010004 /* Deleted inode has zero dtime */
217#define PR_1_SET_DTIME 0x010005 /* Inode in use, but dtime set */
218#define PR_1_ZERO_LENGTH_DIR 0x010006 /* Zero-length directory */
219#define PR_1_BB_CONFLICT 0x010007 /* Block bitmap conflicts with some other fs block */
220#define PR_1_IB_CONFLICT 0x010008 /* Inode bitmap conflicts with some other fs block */
221#define PR_1_ITABLE_CONFLICT 0x010009 /* Inode table conflicts with some other fs block */
222#define PR_1_BB_BAD_BLOCK 0x01000A /* Block bitmap is on a bad block */
223#define PR_1_IB_BAD_BLOCK 0x01000B /* Inode bitmap is on a bad block */
224#define PR_1_BAD_I_SIZE 0x01000C /* Inode has incorrect i_size */
225#define PR_1_BAD_I_BLOCKS 0x01000D /* Inode has incorrect i_blocks */
226#define PR_1_ILLEGAL_BLOCK_NUM 0x01000E /* Illegal block number in inode */
227#define PR_1_BLOCK_OVERLAPS_METADATA 0x01000F /* Block number overlaps fs metadata */
228#define PR_1_INODE_BLOCK_LATCH 0x010010 /* Inode has illegal blocks (latch question) */
229#define PR_1_TOO_MANY_BAD_BLOCKS 0x010011 /* Too many bad blocks in inode */
230#define PR_1_BB_ILLEGAL_BLOCK_NUM 0x010012 /* Illegal block number in bad block inode */
231#define PR_1_INODE_BBLOCK_LATCH 0x010013 /* Bad block inode has illegal blocks (latch question) */
232#define PR_1_DUP_BLOCKS_PREENSTOP 0x010014 /* Duplicate or bad blocks in use! */
233#define PR_1_BBINODE_BAD_METABLOCK 0x010015 /* Bad block used as bad block indirect block */
234#define PR_1_BBINODE_BAD_METABLOCK_PROMPT 0x010016 /* Inconsistency can't be fixed prompt */
235#define PR_1_BAD_PRIMARY_BLOCK 0x010017 /* Bad primary block */
236#define PR_1_BAD_PRIMARY_BLOCK_PROMPT 0x010018 /* Bad primary block prompt */
237#define PR_1_BAD_PRIMARY_SUPERBLOCK 0x010019 /* Bad primary superblock */
238#define PR_1_BAD_PRIMARY_GROUP_DESCRIPTOR 0x01001A /* Bad primary block group descriptors */
239#define PR_1_BAD_SUPERBLOCK 0x01001B /* Bad superblock in group */
240#define PR_1_BAD_GROUP_DESCRIPTORS 0x01001C /* Bad block group descriptors in group */
241#define PR_1_PROGERR_CLAIMED_BLOCK 0x01001D /* Block claimed for no reason */
242#define PR_1_RELOC_BLOCK_ALLOCATE 0x01001E /* Error allocating blocks for relocating metadata */
243#define PR_1_RELOC_MEMORY_ALLOCATE 0x01001F /* Error allocating block buffer during relocation process */
244#define PR_1_RELOC_FROM_TO 0x010020 /* Relocating metadata group information from X to Y */
245#define PR_1_RELOC_TO 0x010021 /* Relocating metatdata group information to X */
246#define PR_1_RELOC_READ_ERR 0x010022 /* Block read error during relocation process */
247#define PR_1_RELOC_WRITE_ERR 0x010023 /* Block write error during relocation process */
248#define PR_1_ALLOCATE_IBITMAP_ERROR 0x010024 /* Error allocating inode bitmap */
249#define PR_1_ALLOCATE_BBITMAP_ERROR 0x010025 /* Error allocating block bitmap */
250#define PR_1_ALLOCATE_ICOUNT 0x010026 /* Error allocating icount structure */
251#define PR_1_ALLOCATE_DBCOUNT 0x010027 /* Error allocating dbcount */
252#define PR_1_ISCAN_ERROR 0x010028 /* Error while scanning inodes */
253#define PR_1_BLOCK_ITERATE 0x010029 /* Error while iterating over blocks */
254#define PR_1_ICOUNT_STORE 0x01002A /* Error while storing inode count information */
255#define PR_1_ADD_DBLOCK 0x01002B /* Error while storing directory block information */
256#define PR_1_READ_INODE 0x01002C /* Error while reading inode (for clearing) */
257#define PR_1_SUPPRESS_MESSAGES 0x01002D /* Suppress messages prompt */
258#define PR_1_SET_IMAGIC 0x01002F /* Imagic flag set on an inode when filesystem doesn't support it */
259#define PR_1_SET_IMMUTABLE 0x010030 /* Immutable flag set on a device or socket inode */
260#define PR_1_COMPR_SET 0x010031 /* Compression flag set on a non-compressed filesystem */
261#define PR_1_SET_NONZSIZE 0x010032 /* Non-zero size on on device, fifo or socket inode */
262#define PR_1_FS_REV_LEVEL 0x010033 /* Filesystem revision is 0, but feature flags are set */
263#define PR_1_JOURNAL_INODE_NOT_CLEAR 0x010034 /* Journal inode not in use, needs clearing */
264#define PR_1_JOURNAL_BAD_MODE 0x010035 /* Journal inode has wrong mode */
265#define PR_1_LOW_DTIME 0x010036 /* Inode that was part of orphan linked list */
266#define PR_1_ORPHAN_LIST_REFUGEES 0x010037 /* Latch question which asks how to deal with low dtime inodes */
267#define PR_1_ALLOCATE_REFCOUNT 0x010038 /* Error allocating refcount structure */
268#define PR_1_READ_EA_BLOCK 0x010039 /* Error reading Extended Attribute block */
269#define PR_1_BAD_EA_BLOCK 0x01003A /* Invalid Extended Attribute block */
270#define PR_1_EXTATTR_READ_ABORT 0x01003B /* Error reading Extended Attribute block while fixing refcount -- abort */
271#define PR_1_EXTATTR_REFCOUNT 0x01003C /* Extended attribute reference count incorrect */
272#define PR_1_EXTATTR_WRITE 0x01003D /* Error writing Extended Attribute block while fixing refcount */
273#define PR_1_EA_MULTI_BLOCK 0x01003E /* Multiple EA blocks not supported */
274#define PR_1_EA_ALLOC_REGION 0x01003F /* Error allocating EA region allocation structure */
275#define PR_1_EA_ALLOC_COLLISION 0x010040 /* Error EA allocation collision */
276#define PR_1_EA_BAD_NAME 0x010041 /* Bad extended attribute name */
277#define PR_1_EA_BAD_VALUE 0x010042 /* Bad extended attribute value */
278#define PR_1_INODE_TOOBIG 0x010043 /* Inode too big (latch question) */
279#define PR_1_TOOBIG_DIR 0x010044 /* Directory too big */
280#define PR_1_TOOBIG_REG 0x010045 /* Regular file too big */
281#define PR_1_TOOBIG_SYMLINK 0x010046 /* Symlink too big */
282#define PR_1_HTREE_SET 0x010047 /* INDEX_FL flag set on a non-HTREE filesystem */
283#define PR_1_HTREE_NODIR 0x010048 /* INDEX_FL flag set on a non-directory */
284#define PR_1_HTREE_BADROOT 0x010049 /* Invalid root node in HTREE directory */
285#define PR_1_HTREE_HASHV 0x01004A /* Unsupported hash version in HTREE directory */
286#define PR_1_HTREE_INCOMPAT 0x01004B /* Incompatible flag in HTREE root node */
287#define PR_1_HTREE_DEPTH 0x01004C /* HTREE too deep */
288#define PR_1_BB_FS_BLOCK 0x01004D /* Bad block has indirect block that conflicts with filesystem block */
289#define PR_1_RESIZE_INODE_CREATE 0x01004E /* Resize inode failed */
290#define PR_1_EXTRA_ISIZE 0x01004F /* inode->i_size is too long */
291#define PR_1_ATTR_NAME_LEN 0x010050 /* attribute name is too long */
292#define PR_1_ATTR_VALUE_OFFSET 0x010051 /* wrong EA value offset */
293#define PR_1_ATTR_VALUE_BLOCK 0x010052 /* wrong EA blocknumber */
294#define PR_1_ATTR_VALUE_SIZE 0x010053 /* wrong EA value size */
295#define PR_1_ATTR_HASH 0x010054 /* wrong EA hash value */
296
297/*
298 * Pass 1b errors
299 */
300
301#define PR_1B_PASS_HEADER 0x011000 /* Pass 1B: Rescan for duplicate/bad blocks */
302#define PR_1B_DUP_BLOCK_HEADER 0x011001 /* Duplicate/bad block(s) header */
303#define PR_1B_DUP_BLOCK 0x011002 /* Duplicate/bad block(s) in inode */
304#define PR_1B_DUP_BLOCK_END 0x011003 /* Duplicate/bad block(s) end */
305#define PR_1B_ISCAN_ERROR 0x011004 /* Error while scanning inodes */
306#define PR_1B_ALLOCATE_IBITMAP_ERROR 0x011005 /* Error allocating inode bitmap */
307#define PR_1B_BLOCK_ITERATE 0x0110006 /* Error while iterating over blocks */
308#define PR_1B_ADJ_EA_REFCOUNT 0x0110007 /* Error adjusting EA refcount */
309#define PR_1C_PASS_HEADER 0x012000 /* Pass 1C: Scan directories for inodes with dup blocks. */
310#define PR_1D_PASS_HEADER 0x013000 /* Pass 1D: Reconciling duplicate blocks */
311#define PR_1D_DUP_FILE 0x013001 /* File has duplicate blocks */
312#define PR_1D_DUP_FILE_LIST 0x013002 /* List of files sharing duplicate blocks */
313#define PR_1D_SHARE_METADATA 0x013003 /* File sharing blocks with filesystem metadata */
314#define PR_1D_NUM_DUP_INODES 0x013004 /* Report of how many duplicate/bad inodes */
315#define PR_1D_DUP_BLOCKS_DEALT 0x013005 /* Duplicated blocks already reassigned or cloned. */
316#define PR_1D_CLONE_QUESTION 0x013006 /* Clone duplicate/bad blocks? */
317#define PR_1D_DELETE_QUESTION 0x013007 /* Delete file? */
318#define PR_1D_CLONE_ERROR 0x013008 /* Couldn't clone file (error) */
319
320/*
321 * Pass 2 errors
322 */
323
324#define PR_2_PASS_HEADER 0x020000 /* Pass 2: Checking directory structure */
325#define PR_2_BAD_INODE_DOT 0x020001 /* Bad inode number for '.' */
326#define PR_2_BAD_INO 0x020002 /* Directory entry has bad inode number */
327#define PR_2_UNUSED_INODE 0x020003 /* Directory entry has deleted or unused inode */
328#define PR_2_LINK_DOT 0x020004 /* Directry entry is link to '.' */
329#define PR_2_BB_INODE 0x020005 /* Directory entry points to inode now located in a bad block */
330#define PR_2_LINK_DIR 0x020006 /* Directory entry contains a link to a directory */
331#define PR_2_LINK_ROOT 0x020007 /* Directory entry contains a link to the root directry */
332#define PR_2_BAD_NAME 0x020008 /* Directory entry has illegal characters in its name */
333#define PR_2_MISSING_DOT 0x020009 /* Missing '.' in directory inode */
334#define PR_2_MISSING_DOT_DOT 0x02000A /* Missing '..' in directory inode */
335#define PR_2_1ST_NOT_DOT 0x02000B /* First entry in directory inode doesn't contain '.' */
336#define PR_2_2ND_NOT_DOT_DOT 0x02000C /* Second entry in directory inode doesn't contain '..' */
337#define PR_2_FADDR_ZERO 0x02000D /* i_faddr should be zero */
338#define PR_2_FILE_ACL_ZERO 0x02000E /* i_file_acl should be zero */
339#define PR_2_DIR_ACL_ZERO 0x02000F /* i_dir_acl should be zero */
340#define PR_2_FRAG_ZERO 0x020010 /* i_frag should be zero */
341#define PR_2_FSIZE_ZERO 0x020011 /* i_fsize should be zero */
342#define PR_2_BAD_MODE 0x020012 /* inode has bad mode */
343#define PR_2_DIR_CORRUPTED 0x020013 /* directory corrupted */
344#define PR_2_FILENAME_LONG 0x020014 /* filename too long */
345#define PR_2_DIRECTORY_HOLE 0x020015 /* Directory inode has a missing block (hole) */
346#define PR_2_DOT_NULL_TERM 0x020016 /* '.' is not NULL terminated */
347#define PR_2_DOT_DOT_NULL_TERM 0x020017 /* '..' is not NULL terminated */
348#define PR_2_BAD_CHAR_DEV 0x020018 /* Illegal character device in inode */
349#define PR_2_BAD_BLOCK_DEV 0x020019 /* Illegal block device in inode */
350#define PR_2_DUP_DOT 0x02001A /* Duplicate '.' entry */
351#define PR_2_DUP_DOT_DOT 0x02001B /* Duplicate '..' entry */
352#define PR_2_NO_DIRINFO 0x02001C /* Internal error: couldn't find dir_info */
353#define PR_2_FINAL_RECLEN 0x02001D /* Final rec_len is wrong */
354#define PR_2_ALLOCATE_ICOUNT 0x02001E /* Error allocating icount structure */
355#define PR_2_DBLIST_ITERATE 0x02001F /* Error iterating over directory blocks */
356#define PR_2_READ_DIRBLOCK 0x020020 /* Error reading directory block */
357#define PR_2_WRITE_DIRBLOCK 0x020021 /* Error writing directory block */
358#define PR_2_ALLOC_DIRBOCK 0x020022 /* Error allocating new directory block */
359#define PR_2_DEALLOC_INODE 0x020023 /* Error deallocating inode */
360#define PR_2_SPLIT_DOT 0x020024 /* Directory entry for '.' is big. Split? */
361#define PR_2_BAD_FIFO 0x020025 /* Illegal FIFO */
362#define PR_2_BAD_SOCKET 0x020026 /* Illegal socket */
363#define PR_2_SET_FILETYPE 0x020027 /* Directory filetype not set */
364#define PR_2_BAD_FILETYPE 0x020028 /* Directory filetype incorrect */
365#define PR_2_CLEAR_FILETYPE 0x020029 /* Directory filetype set when it shouldn't be */
366#define PR_2_NULL_NAME 0x020030 /* Directory filename can't be zero-length */
367#define PR_2_INVALID_SYMLINK 0x020031 /* Invalid symlink */
368#define PR_2_FILE_ACL_BAD 0x020032 /* i_file_acl (extended attribute) is bad */
369#define PR_2_FEATURE_LARGE_FILES 0x020033 /* Filesystem contains large files, but has no such flag in sb */
370#define PR_2_HTREE_NOTREF 0x020034 /* Node in HTREE directory not referenced */
371#define PR_2_HTREE_DUPREF 0x020035 /* Node in HTREE directory referenced twice */
372#define PR_2_HTREE_MIN_HASH 0x020036 /* Node in HTREE directory has bad min hash */
373#define PR_2_HTREE_MAX_HASH 0x020037 /* Node in HTREE directory has bad max hash */
374#define PR_2_HTREE_CLEAR 0x020038 /* Clear invalid HTREE directory */
375#define PR_2_HTREE_BADBLK 0x02003A /* Bad block in htree interior node */
376#define PR_2_ADJ_EA_REFCOUNT 0x02003B /* Error adjusting EA refcount */
377#define PR_2_HTREE_BAD_ROOT 0x02003C /* Invalid HTREE root node */
378#define PR_2_HTREE_BAD_LIMIT 0x02003D /* Invalid HTREE limit */
379#define PR_2_HTREE_BAD_COUNT 0x02003E /* Invalid HTREE count */
380#define PR_2_HTREE_HASH_ORDER 0x02003F /* HTREE interior node has out-of-order hashes in table */
381#define PR_2_HTREE_BAD_DEPTH 0x020040 /* Node in HTREE directory has bad depth */
382#define PR_2_DUPLICATE_DIRENT 0x020041 /* Duplicate directory entry found */
383#define PR_2_NON_UNIQUE_FILE 0x020042 /* Non-unique filename found */
384#define PR_2_REPORT_DUP_DIRENT 0x020043 /* Duplicate directory entry found */
385
386/*
387 * Pass 3 errors
388 */
389
390#define PR_3_PASS_HEADER 0x030000 /* Pass 3: Checking directory connectivity */
391#define PR_3_NO_ROOT_INODE 0x030001 /* Root inode not allocated */
392#define PR_3_EXPAND_LF_DIR 0x030002 /* No room in lost+found */
393#define PR_3_UNCONNECTED_DIR 0x030003 /* Unconnected directory inode */
394#define PR_3_NO_LF_DIR 0x030004 /* /lost+found not found */
395#define PR_3_BAD_DOT_DOT 0x030005 /* .. entry is incorrect */
396#define PR_3_NO_LPF 0x030006 /* Bad or non-existent /lost+found. Cannot reconnect */
397#define PR_3_CANT_EXPAND_LPF 0x030007 /* Could not expand /lost+found */
398#define PR_3_CANT_RECONNECT 0x030008 /* Could not reconnect inode */
399#define PR_3_ERR_FIND_LPF 0x030009 /* Error while trying to find /lost+found */
400#define PR_3_ERR_LPF_NEW_BLOCK 0x03000A /* Error in ext2fs_new_block while creating /lost+found */
401#define PR_3_ERR_LPF_NEW_INODE 0x03000B /* Error in ext2fs_new_inode while creating /lost+found */
402#define PR_3_ERR_LPF_NEW_DIR_BLOCK 0x03000C /* Error in ext2fs_new_dir_block while creating /lost+found */
403#define PR_3_ERR_LPF_WRITE_BLOCK 0x03000D /* Error while writing directory block for /lost+found */
404#define PR_3_ADJUST_INODE 0x03000E /* Error while adjusting inode count */
405#define PR_3_FIX_PARENT_ERR 0x03000F /* Couldn't fix parent directory -- error */
406#define PR_3_FIX_PARENT_NOFIND 0x030010 /* Couldn't fix parent directory -- couldn't find it */
407#define PR_3_ALLOCATE_IBITMAP_ERROR 0x030011 /* Error allocating inode bitmap */
408#define PR_3_CREATE_ROOT_ERROR 0x030012 /* Error creating root directory */
409#define PR_3_CREATE_LPF_ERROR 0x030013 /* Error creating lost and found directory */
410#define PR_3_ROOT_NOT_DIR_ABORT 0x030014 /* Root inode is not directory; aborting */
411#define PR_3_NO_ROOT_INODE_ABORT 0x030015 /* Cannot proceed without a root inode. */
412#define PR_3_NO_DIRINFO 0x030016 /* Internal error: couldn't find dir_info */
413#define PR_3_LPF_NOTDIR 0x030017 /* Lost+found is not a directory */
414
415/*
416 * Pass 3a --- rehashing diretories
417 */
418#define PR_3A_PASS_HEADER 0x031000 /* Pass 3a: Reindexing directories */
419#define PR_3A_OPTIMIZE_ITER 0x031001 /* Error iterating over directories */
420#define PR_3A_OPTIMIZE_DIR_ERR 0x031002 /* Error rehash directory */
421#define PR_3A_OPTIMIZE_DIR_HEADER 0x031003 /* Rehashing dir header */
422#define PR_3A_OPTIMIZE_DIR 0x031004 /* Rehashing directory %d */
423#define PR_3A_OPTIMIZE_DIR_END 0x031005 /* Rehashing dir end */
424
425/*
426 * Pass 4 errors
427 */
428
429#define PR_4_PASS_HEADER 0x040000 /* Pass 4: Checking reference counts */
430#define PR_4_ZERO_LEN_INODE 0x040001 /* Unattached zero-length inode */
431#define PR_4_UNATTACHED_INODE 0x040002 /* Unattached inode */
432#define PR_4_BAD_REF_COUNT 0x040003 /* Inode ref count wrong */
433#define PR_4_INCONSISTENT_COUNT 0x040004 /* Inconsistent inode count information cached */
434
435/*
436 * Pass 5 errors
437 */
438
439#define PR_5_PASS_HEADER 0x050000 /* Pass 5: Checking group summary information */
440#define PR_5_INODE_BMAP_PADDING 0x050001 /* Padding at end of inode bitmap is not set. */
441#define PR_5_BLOCK_BMAP_PADDING 0x050002 /* Padding at end of block bitmap is not set. */
442#define PR_5_BLOCK_BITMAP_HEADER 0x050003 /* Block bitmap differences header */
443#define PR_5_BLOCK_UNUSED 0x050004 /* Block not used, but marked in bitmap */
444#define PR_5_BLOCK_USED 0x050005 /* Block used, but not marked used in bitmap */
445#define PR_5_BLOCK_BITMAP_END 0x050006 /* Block bitmap differences end */
446#define PR_5_INODE_BITMAP_HEADER 0x050007 /* Inode bitmap differences header */
447#define PR_5_INODE_UNUSED 0x050008 /* Inode not used, but marked in bitmap */
448#define PR_5_INODE_USED 0x050009 /* Inode used, but not marked used in bitmap */
449#define PR_5_INODE_BITMAP_END 0x05000A /* Inode bitmap differences end */
450#define PR_5_FREE_INODE_COUNT_GROUP 0x05000B /* Free inodes count for group wrong */
451#define PR_5_FREE_DIR_COUNT_GROUP 0x05000C /* Directories count for group wrong */
452#define PR_5_FREE_INODE_COUNT 0x05000D /* Free inodes count wrong */
453#define PR_5_FREE_BLOCK_COUNT_GROUP 0x05000E /* Free blocks count for group wrong */
454#define PR_5_FREE_BLOCK_COUNT 0x05000F /* Free blocks count wrong */
455#define PR_5_BMAP_ENDPOINTS 0x050010 /* Programming error: bitmap endpoints don't match */
456#define PR_5_FUDGE_BITMAP_ERROR 0x050011 /* Internal error: fudging end of bitmap */
457#define PR_5_COPY_IBITMAP_ERROR 0x050012 /* Error copying in replacement inode bitmap */
458#define PR_5_COPY_BBITMAP_ERROR 0x050013 /* Error copying in replacement block bitmap */
459#define PR_5_BLOCK_RANGE_UNUSED 0x050014 /* Block range not used, but marked in bitmap */
460#define PR_5_BLOCK_RANGE_USED 0x050015 /* Block range used, but not marked used in bitmap */
461#define PR_5_INODE_RANGE_UNUSED 0x050016 /* Inode range not used, but marked in bitmap */
462#define PR_5_INODE_RANGE_USED 0x050017 /* Inode rangeused, but not marked used in bitmap */
463
464
465/*
466 * The directory information structure; stores directory information
467 * collected in earlier passes, to avoid disk i/o in fetching the
468 * directory information.
469 */
470struct dir_info {
471 ext2_ino_t ino; /* Inode number */
472 ext2_ino_t dotdot; /* Parent according to '..' */
473 ext2_ino_t parent; /* Parent according to treewalk */
474};
475
476
477
478/*
479 * The indexed directory information structure; stores information for
480 * directories which contain a hash tree index.
481 */
482struct dx_dir_info {
483 ext2_ino_t ino; /* Inode number */
484 int numblocks; /* number of blocks */
485 int hashversion;
486 short depth; /* depth of tree */
487 struct dx_dirblock_info *dx_block; /* Array of size numblocks */
488};
489
490/*
491 * Define the extended attribute refcount structure
492 */
493typedef struct ea_refcount *ext2_refcount_t;
494
495struct e2fsck_struct {
496 ext2_filsys fs;
497 const char *program_name;
498 char *filesystem_name;
499 char *device_name;
500 char *io_options;
501 int flags; /* E2fsck internal flags */
502 int options;
503 blk_t use_superblock; /* sb requested by user */
504 blk_t superblock; /* sb used to open fs */
505 int blocksize; /* blocksize */
506 blk_t num_blocks; /* Total number of blocks */
507 int mount_flags;
508 blkid_cache blkid; /* blkid cache */
509
510 jmp_buf abort_loc;
511
512 unsigned long abort_code;
513
514 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
515 unsigned long max);
516
517 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
518 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
519 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
520 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
521 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
522
523 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
524 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
525 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
526
527 /*
528 * Inode count arrays
529 */
530 ext2_icount_t inode_count;
531 ext2_icount_t inode_link_info;
532
533 ext2_refcount_t refcount;
534 ext2_refcount_t refcount_extra;
535
536 /*
537 * Array of flags indicating whether an inode bitmap, block
538 * bitmap, or inode table is invalid
539 */
540 int *invalid_inode_bitmap_flag;
541 int *invalid_block_bitmap_flag;
542 int *invalid_inode_table_flag;
543 int invalid_bitmaps; /* There are invalid bitmaps/itable */
544
545 /*
546 * Block buffer
547 */
548 char *block_buf;
549
550 /*
551 * For pass1_check_directory and pass1_get_blocks
552 */
553 ext2_ino_t stashed_ino;
554 struct ext2_inode *stashed_inode;
555
556 /*
557 * Location of the lost and found directory
558 */
559 ext2_ino_t lost_and_found;
560 int bad_lost_and_found;
561
562 /*
563 * Directory information
564 */
565 int dir_info_count;
566 int dir_info_size;
567 struct dir_info *dir_info;
568
569 /*
570 * Indexed directory information
571 */
572 int dx_dir_info_count;
573 int dx_dir_info_size;
574 struct dx_dir_info *dx_dir_info;
575
576 /*
577 * Directories to hash
578 */
579 ext2_u32_list dirs_to_hash;
580
581 /*
582 * Tuning parameters
583 */
584 int process_inode_size;
585 int inode_buffer_blocks;
586
587 /*
588 * ext3 journal support
589 */
590 io_channel journal_io;
591 char *journal_name;
592
593 /*
594 * How we display the progress update (for unix)
595 */
596 int progress_fd;
597 int progress_pos;
598 int progress_last_percent;
599 unsigned int progress_last_time;
600 int interactive; /* Are we connected directly to a tty? */
601 char start_meta[2], stop_meta[2];
602
603 /* File counts */
604 int fs_directory_count;
605 int fs_regular_count;
606 int fs_blockdev_count;
607 int fs_chardev_count;
608 int fs_links_count;
609 int fs_symlinks_count;
610 int fs_fast_symlinks_count;
611 int fs_fifo_count;
612 int fs_total_count;
613 int fs_sockets_count;
614 int fs_ind_count;
615 int fs_dind_count;
616 int fs_tind_count;
617 int fs_fragmented;
618 int large_files;
619 int fs_ext_attr_inodes;
620 int fs_ext_attr_blocks;
621
622 int ext_attr_ver;
623
624 /*
625 * For the use of callers of the e2fsck functions; not used by
626 * e2fsck functions themselves.
627 */
628 void *priv_data;
629};
630
631
632#define tid_gt(x, y) ((x - y) > 0)
633
634static inline int tid_geq(tid_t x, tid_t y)
635{
636 int difference = (x - y);
637 return (difference >= 0);
638}
639
640
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-08-13 11:39:27 +0000