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 "libbb.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