mirror of
https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git
synced 2024-11-27 12:04:43 +08:00
382ed4a1c2
Use ext2_ino_t instead of ino_t for referencing inode numbers. Use loff_t for for file offsets, and dgrp_t for group numbers. Cast products to ssize_t before multiplication to avoid overflow. Signed-off-by: Andreas Dilger <adilger@dilger.ca> Reviewed-by: Shilong Wang <wshilong@ddn.com> Lustre-bug-id: https://jira.whamcloud.com/browse/LU-13197 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
769 lines
19 KiB
C
769 lines
19 KiB
C
/*
|
|
* dumpe2fs.c - List the control structures of a second
|
|
* extended filesystem
|
|
*
|
|
* Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
|
|
* Laboratoire MASI, Institut Blaise Pascal
|
|
* Universite Pierre et Marie Curie (Paris VI)
|
|
*
|
|
* Copyright 1995, 1996, 1997 by Theodore Ts'o.
|
|
*
|
|
* %Begin-Header%
|
|
* This file may be redistributed under the terms of the GNU Public
|
|
* License.
|
|
* %End-Header%
|
|
*/
|
|
|
|
/*
|
|
* History:
|
|
* 94/01/09 - Creation
|
|
* 94/02/27 - Ported to use the ext2fs library
|
|
*/
|
|
|
|
#include "config.h"
|
|
#ifdef HAVE_GETOPT_H
|
|
#include <getopt.h>
|
|
#else
|
|
extern char *optarg;
|
|
extern int optind;
|
|
#endif
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "ext2fs/ext2_fs.h"
|
|
|
|
#include "ext2fs/ext2fs.h"
|
|
#include "e2p/e2p.h"
|
|
#include "ext2fs/kernel-jbd.h"
|
|
#include <uuid/uuid.h>
|
|
|
|
#include "support/nls-enable.h"
|
|
#include "support/plausible.h"
|
|
#include "../version.h"
|
|
|
|
#define in_use(m, x) (ext2fs_test_bit ((x), (m)))
|
|
|
|
static const char * program_name = "dumpe2fs";
|
|
static char * device_name = NULL;
|
|
static int hex_format = 0;
|
|
static int blocks64 = 0;
|
|
|
|
static void usage(void)
|
|
{
|
|
fprintf(stderr, _("Usage: %s [-bfghimxV] [-o superblock=<num>] "
|
|
"[-o blocksize=<num>] device\n"), program_name);
|
|
exit(1);
|
|
}
|
|
|
|
static void print_number(unsigned long long num)
|
|
{
|
|
if (hex_format) {
|
|
if (blocks64)
|
|
printf("0x%08llx", num);
|
|
else
|
|
printf("0x%04llx", num);
|
|
} else
|
|
printf("%llu", num);
|
|
}
|
|
|
|
static void print_range(unsigned long long a, unsigned long long b)
|
|
{
|
|
if (hex_format) {
|
|
if (blocks64)
|
|
printf("0x%08llx-0x%08llx", a, b);
|
|
else
|
|
printf("0x%04llx-0x%04llx", a, b);
|
|
} else
|
|
printf("%llu-%llu", a, b);
|
|
}
|
|
|
|
static void print_free(unsigned long group, char * bitmap,
|
|
unsigned long num, unsigned long offset, int ratio)
|
|
{
|
|
int p = 0;
|
|
unsigned long i;
|
|
unsigned long j;
|
|
|
|
offset /= ratio;
|
|
offset += group * num;
|
|
for (i = 0; i < num; i++)
|
|
if (!in_use (bitmap, i))
|
|
{
|
|
if (p)
|
|
printf (", ");
|
|
print_number((i + offset) * ratio);
|
|
for (j = i; j < num && !in_use (bitmap, j); j++)
|
|
;
|
|
if (--j != i) {
|
|
fputc('-', stdout);
|
|
print_number((j + offset) * ratio);
|
|
i = j;
|
|
}
|
|
p = 1;
|
|
}
|
|
}
|
|
|
|
static void print_bg_opt(int bg_flags, int mask,
|
|
const char *str, int *first)
|
|
{
|
|
if (bg_flags & mask) {
|
|
if (*first) {
|
|
fputs(" [", stdout);
|
|
*first = 0;
|
|
} else
|
|
fputs(", ", stdout);
|
|
fputs(str, stdout);
|
|
}
|
|
}
|
|
static void print_bg_opts(ext2_filsys fs, dgrp_t i)
|
|
{
|
|
int first = 1, bg_flags = 0;
|
|
|
|
if (ext2fs_has_group_desc_csum(fs))
|
|
bg_flags = ext2fs_bg_flags(fs, i);
|
|
|
|
print_bg_opt(bg_flags, EXT2_BG_INODE_UNINIT, "INODE_UNINIT",
|
|
&first);
|
|
print_bg_opt(bg_flags, EXT2_BG_BLOCK_UNINIT, "BLOCK_UNINIT",
|
|
&first);
|
|
print_bg_opt(bg_flags, EXT2_BG_INODE_ZEROED, "ITABLE_ZEROED",
|
|
&first);
|
|
if (!first)
|
|
fputc(']', stdout);
|
|
fputc('\n', stdout);
|
|
}
|
|
|
|
static void print_bg_rel_offset(ext2_filsys fs, blk64_t block, int itable,
|
|
blk64_t first_block, blk64_t last_block)
|
|
{
|
|
if ((block >= first_block) && (block <= last_block)) {
|
|
if (itable && block == first_block)
|
|
return;
|
|
printf(" (+%u)", (unsigned)(block - first_block));
|
|
} else if (ext2fs_has_feature_flex_bg(fs->super)) {
|
|
dgrp_t flex_grp = ext2fs_group_of_blk2(fs, block);
|
|
printf(" (bg #%u + %u)", flex_grp,
|
|
(unsigned)(block-ext2fs_group_first_block2(fs,flex_grp)));
|
|
}
|
|
}
|
|
|
|
static void list_desc(ext2_filsys fs, int grp_only)
|
|
{
|
|
unsigned long i;
|
|
blk64_t first_block, last_block;
|
|
blk64_t super_blk, old_desc_blk, new_desc_blk;
|
|
char *block_bitmap=NULL, *inode_bitmap=NULL;
|
|
const char *units = _("blocks");
|
|
int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
|
|
int block_nbytes, inode_nbytes;
|
|
int has_super;
|
|
blk64_t blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
|
|
ext2_ino_t ino_itr = 1;
|
|
errcode_t retval;
|
|
|
|
if (ext2fs_has_feature_bigalloc(fs->super))
|
|
units = _("clusters");
|
|
|
|
block_nbytes = EXT2_CLUSTERS_PER_GROUP(fs->super) / 8;
|
|
inode_nbytes = EXT2_INODES_PER_GROUP(fs->super) / 8;
|
|
|
|
if (fs->block_map)
|
|
block_bitmap = malloc(block_nbytes);
|
|
if (fs->inode_map)
|
|
inode_bitmap = malloc(inode_nbytes);
|
|
|
|
inode_blocks_per_group = ((fs->super->s_inodes_per_group *
|
|
EXT2_INODE_SIZE(fs->super)) +
|
|
EXT2_BLOCK_SIZE(fs->super) - 1) /
|
|
EXT2_BLOCK_SIZE(fs->super);
|
|
reserved_gdt = fs->super->s_reserved_gdt_blocks;
|
|
fputc('\n', stdout);
|
|
first_block = fs->super->s_first_data_block;
|
|
if (ext2fs_has_feature_meta_bg(fs->super))
|
|
old_desc_blocks = fs->super->s_first_meta_bg;
|
|
else
|
|
old_desc_blocks = fs->desc_blocks;
|
|
if (grp_only)
|
|
printf("group:block:super:gdt:bbitmap:ibitmap:itable\n");
|
|
for (i = 0; i < fs->group_desc_count; i++) {
|
|
first_block = ext2fs_group_first_block2(fs, i);
|
|
last_block = ext2fs_group_last_block2(fs, i);
|
|
|
|
ext2fs_super_and_bgd_loc2(fs, i, &super_blk,
|
|
&old_desc_blk, &new_desc_blk, 0);
|
|
|
|
if (grp_only) {
|
|
printf("%lu:%llu:", i, first_block);
|
|
if (i == 0 || super_blk)
|
|
printf("%llu:", super_blk);
|
|
else
|
|
printf("-1:");
|
|
if (old_desc_blk) {
|
|
print_range(old_desc_blk,
|
|
old_desc_blk + old_desc_blocks - 1);
|
|
printf(":");
|
|
} else if (new_desc_blk)
|
|
printf("%llu:", new_desc_blk);
|
|
else
|
|
printf("-1:");
|
|
printf("%llu:%llu:%llu\n",
|
|
ext2fs_block_bitmap_loc(fs, i),
|
|
ext2fs_inode_bitmap_loc(fs, i),
|
|
ext2fs_inode_table_loc(fs, i));
|
|
continue;
|
|
}
|
|
|
|
printf(_("Group %lu: (Blocks "), i);
|
|
print_range(first_block, last_block);
|
|
fputs(")", stdout);
|
|
if (ext2fs_has_group_desc_csum(fs)) {
|
|
unsigned csum = ext2fs_bg_checksum(fs, i);
|
|
unsigned exp_csum = ext2fs_group_desc_csum(fs, i);
|
|
|
|
printf(_(" csum 0x%04x"), csum);
|
|
if (csum != exp_csum)
|
|
printf(_(" (EXPECTED 0x%04x)"), exp_csum);
|
|
}
|
|
print_bg_opts(fs, i);
|
|
has_super = ((i==0) || super_blk);
|
|
if (has_super) {
|
|
printf (_(" %s superblock at "),
|
|
i == 0 ? _("Primary") : _("Backup"));
|
|
print_number(super_blk);
|
|
}
|
|
if (old_desc_blk) {
|
|
printf("%s", _(", Group descriptors at "));
|
|
print_range(old_desc_blk,
|
|
old_desc_blk + old_desc_blocks - 1);
|
|
if (reserved_gdt) {
|
|
printf("%s", _("\n Reserved GDT blocks at "));
|
|
print_range(old_desc_blk + old_desc_blocks,
|
|
old_desc_blk + old_desc_blocks +
|
|
reserved_gdt - 1);
|
|
}
|
|
} else if (new_desc_blk) {
|
|
fputc(has_super ? ',' : ' ', stdout);
|
|
printf("%s", _(" Group descriptor at "));
|
|
print_number(new_desc_blk);
|
|
has_super++;
|
|
}
|
|
if (has_super)
|
|
fputc('\n', stdout);
|
|
fputs(_(" Block bitmap at "), stdout);
|
|
print_number(ext2fs_block_bitmap_loc(fs, i));
|
|
print_bg_rel_offset(fs, ext2fs_block_bitmap_loc(fs, i), 0,
|
|
first_block, last_block);
|
|
if (ext2fs_has_feature_metadata_csum(fs->super))
|
|
printf(_(", csum 0x%08x"),
|
|
ext2fs_block_bitmap_checksum(fs, i));
|
|
if (getenv("DUMPE2FS_IGNORE_80COL"))
|
|
fputs(_(","), stdout);
|
|
else
|
|
fputs(_("\n "), stdout);
|
|
fputs(_(" Inode bitmap at "), stdout);
|
|
print_number(ext2fs_inode_bitmap_loc(fs, i));
|
|
print_bg_rel_offset(fs, ext2fs_inode_bitmap_loc(fs, i), 0,
|
|
first_block, last_block);
|
|
if (ext2fs_has_feature_metadata_csum(fs->super))
|
|
printf(_(", csum 0x%08x"),
|
|
ext2fs_inode_bitmap_checksum(fs, i));
|
|
fputs(_("\n Inode table at "), stdout);
|
|
print_range(ext2fs_inode_table_loc(fs, i),
|
|
ext2fs_inode_table_loc(fs, i) +
|
|
inode_blocks_per_group - 1);
|
|
print_bg_rel_offset(fs, ext2fs_inode_table_loc(fs, i), 1,
|
|
first_block, last_block);
|
|
printf (_("\n %u free %s, %u free inodes, "
|
|
"%u directories%s"),
|
|
ext2fs_bg_free_blocks_count(fs, i), units,
|
|
ext2fs_bg_free_inodes_count(fs, i),
|
|
ext2fs_bg_used_dirs_count(fs, i),
|
|
ext2fs_bg_itable_unused(fs, i) ? "" : "\n");
|
|
if (ext2fs_bg_itable_unused(fs, i))
|
|
printf (_(", %u unused inodes\n"),
|
|
ext2fs_bg_itable_unused(fs, i));
|
|
if (block_bitmap) {
|
|
fputs(_(" Free blocks: "), stdout);
|
|
retval = ext2fs_get_block_bitmap_range2(fs->block_map,
|
|
blk_itr, block_nbytes << 3, block_bitmap);
|
|
if (retval)
|
|
com_err("list_desc", retval,
|
|
"while reading block bitmap");
|
|
else
|
|
print_free(i, block_bitmap,
|
|
fs->super->s_clusters_per_group,
|
|
fs->super->s_first_data_block,
|
|
EXT2FS_CLUSTER_RATIO(fs));
|
|
fputc('\n', stdout);
|
|
blk_itr += fs->super->s_clusters_per_group;
|
|
}
|
|
if (inode_bitmap) {
|
|
fputs(_(" Free inodes: "), stdout);
|
|
retval = ext2fs_get_inode_bitmap_range2(fs->inode_map,
|
|
ino_itr, inode_nbytes << 3, inode_bitmap);
|
|
if (retval)
|
|
com_err("list_desc", retval,
|
|
"while reading inode bitmap");
|
|
else
|
|
print_free(i, inode_bitmap,
|
|
fs->super->s_inodes_per_group,
|
|
1, 1);
|
|
fputc('\n', stdout);
|
|
ino_itr += fs->super->s_inodes_per_group;
|
|
}
|
|
}
|
|
if (block_bitmap)
|
|
free(block_bitmap);
|
|
if (inode_bitmap)
|
|
free(inode_bitmap);
|
|
}
|
|
|
|
static void list_bad_blocks(ext2_filsys fs, int dump)
|
|
{
|
|
badblocks_list bb_list = 0;
|
|
badblocks_iterate bb_iter;
|
|
blk_t blk;
|
|
errcode_t retval;
|
|
const char *header, *fmt;
|
|
|
|
retval = ext2fs_read_bb_inode(fs, &bb_list);
|
|
if (retval) {
|
|
com_err("ext2fs_read_bb_inode", retval, 0);
|
|
return;
|
|
}
|
|
retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
|
|
if (retval) {
|
|
com_err("ext2fs_badblocks_list_iterate_begin", retval,
|
|
"%s", _("while printing bad block list"));
|
|
return;
|
|
}
|
|
if (dump) {
|
|
header = fmt = "%u\n";
|
|
} else {
|
|
header = _("Bad blocks: %u");
|
|
fmt = ", %u";
|
|
}
|
|
while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
|
|
printf(header ? header : fmt, blk);
|
|
header = 0;
|
|
}
|
|
ext2fs_badblocks_list_iterate_end(bb_iter);
|
|
if (!dump)
|
|
fputc('\n', stdout);
|
|
ext2fs_badblocks_list_free(bb_list);
|
|
}
|
|
|
|
static void print_inline_journal_information(ext2_filsys fs)
|
|
{
|
|
journal_superblock_t *jsb;
|
|
struct ext2_inode inode;
|
|
ext2_file_t journal_file;
|
|
errcode_t retval;
|
|
ext2_ino_t ino = fs->super->s_journal_inum;
|
|
char buf[1024];
|
|
|
|
if (fs->flags & EXT2_FLAG_IMAGE_FILE)
|
|
return;
|
|
retval = ext2fs_read_inode(fs, ino, &inode);
|
|
if (retval) {
|
|
com_err(program_name, retval, "%s",
|
|
_("while reading journal inode"));
|
|
exit(1);
|
|
}
|
|
retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file);
|
|
if (retval) {
|
|
com_err(program_name, retval, "%s",
|
|
_("while opening journal inode"));
|
|
exit(1);
|
|
}
|
|
retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
|
|
if (retval) {
|
|
com_err(program_name, retval, "%s",
|
|
_("while reading journal super block"));
|
|
exit(1);
|
|
}
|
|
ext2fs_file_close(journal_file);
|
|
jsb = (journal_superblock_t *) buf;
|
|
if (be32_to_cpu(jsb->s_header.h_magic) != JFS_MAGIC_NUMBER) {
|
|
fprintf(stderr, "%s",
|
|
_("Journal superblock magic number invalid!\n"));
|
|
exit(1);
|
|
}
|
|
e2p_list_journal_super(stdout, buf, fs->blocksize, 0);
|
|
}
|
|
|
|
static void print_journal_information(ext2_filsys fs)
|
|
{
|
|
errcode_t retval;
|
|
char buf[1024];
|
|
journal_superblock_t *jsb;
|
|
|
|
/* Get the journal superblock */
|
|
if ((retval = io_channel_read_blk64(fs->io,
|
|
fs->super->s_first_data_block + 1,
|
|
-1024, buf))) {
|
|
com_err(program_name, retval, "%s",
|
|
_("while reading journal superblock"));
|
|
exit(1);
|
|
}
|
|
jsb = (journal_superblock_t *) buf;
|
|
if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) ||
|
|
(jsb->s_header.h_blocktype !=
|
|
(unsigned) ntohl(JFS_SUPERBLOCK_V2))) {
|
|
com_err(program_name, 0, "%s",
|
|
_("Couldn't find journal superblock magic numbers"));
|
|
exit(1);
|
|
}
|
|
e2p_list_journal_super(stdout, buf, fs->blocksize, 0);
|
|
}
|
|
|
|
static int check_mmp(ext2_filsys fs)
|
|
{
|
|
int retval;
|
|
|
|
/* This won't actually start MMP on the filesystem, since fs is opened
|
|
* readonly, but it will do the proper activity checking for us. */
|
|
retval = ext2fs_mmp_start(fs);
|
|
if (retval) {
|
|
com_err(program_name, retval, _("while trying to open %s"),
|
|
fs->device_name);
|
|
if (retval == EXT2_ET_MMP_FAILED ||
|
|
retval == EXT2_ET_MMP_FSCK_ON ||
|
|
retval == EXT2_ET_MMP_CSUM_INVALID ||
|
|
retval == EXT2_ET_MMP_UNKNOWN_SEQ) {
|
|
if (fs->mmp_buf) {
|
|
struct mmp_struct *mmp = fs->mmp_buf;
|
|
time_t mmp_time = mmp->mmp_time;
|
|
|
|
fprintf(stderr,
|
|
"%s: MMP update by '%.*s%.*s' at %s",
|
|
program_name,
|
|
EXT2_LEN_STR(mmp->mmp_nodename),
|
|
EXT2_LEN_STR(mmp->mmp_bdevname),
|
|
ctime(&mmp_time));
|
|
}
|
|
retval = 1;
|
|
} else {
|
|
retval = 2;
|
|
}
|
|
} else {
|
|
printf("%s: it is safe to mount '%s', MMP is clean\n",
|
|
program_name, fs->device_name);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static void print_mmp_block(ext2_filsys fs)
|
|
{
|
|
struct mmp_struct *mmp;
|
|
time_t mmp_time;
|
|
errcode_t retval;
|
|
|
|
if (fs->mmp_buf == NULL) {
|
|
retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf);
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("failed to alloc MMP buffer\n"));
|
|
return;
|
|
}
|
|
}
|
|
|
|
retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf);
|
|
/* this is only dumping, not checking status, so OK to skip this */
|
|
if (retval == EXT2_ET_OP_NOT_SUPPORTED)
|
|
return;
|
|
if (retval) {
|
|
com_err(program_name, retval,
|
|
_("reading MMP block %llu from '%s'\n"),
|
|
fs->super->s_mmp_block, fs->device_name);
|
|
return;
|
|
}
|
|
|
|
mmp = fs->mmp_buf;
|
|
mmp_time = mmp->mmp_time;
|
|
printf("MMP_block:\n");
|
|
printf(" mmp_magic: 0x%x\n", mmp->mmp_magic);
|
|
printf(" mmp_check_interval: %d\n", mmp->mmp_check_interval);
|
|
printf(" mmp_sequence: %#08x\n", mmp->mmp_seq);
|
|
printf(" mmp_update_date: %s", ctime(&mmp_time));
|
|
printf(" mmp_update_time: %lld\n", mmp->mmp_time);
|
|
printf(" mmp_node_name: %.*s\n",
|
|
EXT2_LEN_STR(mmp->mmp_nodename));
|
|
printf(" mmp_device_name: %.*s\n",
|
|
EXT2_LEN_STR(mmp->mmp_bdevname));
|
|
}
|
|
|
|
static void parse_extended_opts(const char *opts, blk64_t *superblock,
|
|
int *blocksize)
|
|
{
|
|
char *buf, *token, *next, *p, *arg, *badopt = 0;
|
|
int len;
|
|
int do_usage = 0;
|
|
|
|
len = strlen(opts);
|
|
buf = malloc(len+1);
|
|
if (!buf) {
|
|
fprintf(stderr, "%s",
|
|
_("Couldn't allocate memory to parse options!\n"));
|
|
exit(1);
|
|
}
|
|
strcpy(buf, opts);
|
|
for (token = buf; token && *token; token = next) {
|
|
p = strchr(token, ',');
|
|
next = 0;
|
|
if (p) {
|
|
*p = 0;
|
|
next = p+1;
|
|
}
|
|
arg = strchr(token, '=');
|
|
if (arg) {
|
|
*arg = 0;
|
|
arg++;
|
|
}
|
|
if (strcmp(token, "superblock") == 0 ||
|
|
strcmp(token, "sb") == 0) {
|
|
if (!arg) {
|
|
do_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
*superblock = strtoul(arg, &p, 0);
|
|
if (*p) {
|
|
fprintf(stderr,
|
|
_("Invalid superblock parameter: %s\n"),
|
|
arg);
|
|
do_usage++;
|
|
continue;
|
|
}
|
|
} else if (strcmp(token, "blocksize") == 0 ||
|
|
strcmp(token, "bs") == 0) {
|
|
if (!arg) {
|
|
do_usage++;
|
|
badopt = token;
|
|
continue;
|
|
}
|
|
*blocksize = strtoul(arg, &p, 0);
|
|
if (*p) {
|
|
fprintf(stderr,
|
|
_("Invalid blocksize parameter: %s\n"),
|
|
arg);
|
|
do_usage++;
|
|
continue;
|
|
}
|
|
} else {
|
|
do_usage++;
|
|
badopt = token;
|
|
}
|
|
}
|
|
if (do_usage) {
|
|
fprintf(stderr, _("\nBad extended option(s) specified: %s\n\n"
|
|
"Extended options are separated by commas, "
|
|
"and may take an argument which\n"
|
|
"\tis set off by an equals ('=') sign.\n\n"
|
|
"Valid extended options are:\n"
|
|
"\tsuperblock=<superblock number>\n"
|
|
"\tblocksize=<blocksize>\n"),
|
|
badopt ? badopt : "");
|
|
free(buf);
|
|
exit(1);
|
|
}
|
|
free(buf);
|
|
}
|
|
|
|
int main (int argc, char ** argv)
|
|
{
|
|
errcode_t retval;
|
|
errcode_t retval_csum = 0;
|
|
const char *error_csum = NULL;
|
|
ext2_filsys fs;
|
|
int print_badblocks = 0;
|
|
blk64_t use_superblock = 0;
|
|
int use_blocksize = 0;
|
|
int image_dump = 0;
|
|
int mmp_check = 0;
|
|
int mmp_info = 0;
|
|
int force = 0;
|
|
int flags;
|
|
int header_only = 0;
|
|
int c;
|
|
int grp_only = 0;
|
|
|
|
#ifdef ENABLE_NLS
|
|
setlocale(LC_MESSAGES, "");
|
|
setlocale(LC_CTYPE, "");
|
|
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
|
|
textdomain(NLS_CAT_NAME);
|
|
set_com_err_gettext(gettext);
|
|
#endif
|
|
add_error_table(&et_ext2_error_table);
|
|
if (argc && *argv) {
|
|
if (strrchr(*argv, '/'))
|
|
program_name = strrchr(*argv, '/') + 1;
|
|
else
|
|
program_name = *argv;
|
|
|
|
if (strstr(program_name, "mmpstatus") != NULL) {
|
|
mmp_check = 1;
|
|
header_only = 1;
|
|
}
|
|
}
|
|
|
|
if (!mmp_check)
|
|
fprintf(stderr, "dumpe2fs %s (%s)\n", E2FSPROGS_VERSION,
|
|
E2FSPROGS_DATE);
|
|
|
|
while ((c = getopt(argc, argv, "bfghimxVo:")) != EOF) {
|
|
switch (c) {
|
|
case 'b':
|
|
print_badblocks++;
|
|
break;
|
|
case 'f':
|
|
force++;
|
|
break;
|
|
case 'g':
|
|
grp_only++;
|
|
break;
|
|
case 'h':
|
|
header_only++;
|
|
break;
|
|
case 'i':
|
|
if (mmp_check)
|
|
mmp_info++;
|
|
else
|
|
image_dump++;
|
|
break;
|
|
case 'm':
|
|
mmp_check++;
|
|
header_only++;
|
|
if (image_dump) {
|
|
mmp_info = image_dump;
|
|
image_dump = 0;
|
|
}
|
|
break;
|
|
case 'o':
|
|
parse_extended_opts(optarg, &use_superblock,
|
|
&use_blocksize);
|
|
break;
|
|
case 'V':
|
|
/* Print version number and exit */
|
|
fprintf(stderr, _("\tUsing %s\n"),
|
|
error_message(EXT2_ET_BASE));
|
|
exit(0);
|
|
case 'x':
|
|
hex_format++;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
if (optind != argc - 1)
|
|
usage();
|
|
|
|
device_name = argv[optind++];
|
|
flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES |
|
|
EXT2_FLAG_64BITS;
|
|
if (force)
|
|
flags |= EXT2_FLAG_FORCE;
|
|
if (image_dump)
|
|
flags |= EXT2_FLAG_IMAGE_FILE;
|
|
try_open_again:
|
|
if (use_superblock && !use_blocksize) {
|
|
for (use_blocksize = EXT2_MIN_BLOCK_SIZE;
|
|
use_blocksize <= EXT2_MAX_BLOCK_SIZE;
|
|
use_blocksize *= 2) {
|
|
retval = ext2fs_open (device_name, flags,
|
|
use_superblock,
|
|
use_blocksize, unix_io_manager,
|
|
&fs);
|
|
if (!retval)
|
|
break;
|
|
}
|
|
} else {
|
|
retval = ext2fs_open(device_name, flags, use_superblock,
|
|
use_blocksize, unix_io_manager, &fs);
|
|
}
|
|
flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
|
|
if (retval && !retval_csum) {
|
|
retval_csum = retval;
|
|
error_csum = _("while trying to open %s");
|
|
goto try_open_again;
|
|
}
|
|
if (retval) {
|
|
com_err(program_name, retval, _("while trying to open %s"),
|
|
device_name);
|
|
printf("%s", _("Couldn't find valid filesystem superblock.\n"));
|
|
if (retval == EXT2_ET_BAD_MAGIC)
|
|
check_plausibility(device_name, CHECK_FS_EXIST, NULL);
|
|
goto out;
|
|
}
|
|
fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
|
|
if (ext2fs_has_feature_64bit(fs->super))
|
|
blocks64 = 1;
|
|
if (mmp_check) {
|
|
if (ext2fs_has_feature_mmp(fs->super) &&
|
|
fs->super->s_mmp_block != 0) {
|
|
if (mmp_info) {
|
|
print_mmp_block(fs);
|
|
printf(" mmp_block_number: ");
|
|
print_number(fs->super->s_mmp_block);
|
|
printf("\n");
|
|
} else {
|
|
retval = check_mmp(fs);
|
|
}
|
|
if (!retval && retval_csum)
|
|
retval = 2;
|
|
} else {
|
|
fprintf(stderr, _("%s: MMP feature not enabled.\n"),
|
|
program_name);
|
|
retval = 2;
|
|
}
|
|
} else if (print_badblocks) {
|
|
list_bad_blocks(fs, 1);
|
|
} else {
|
|
if (grp_only)
|
|
goto just_descriptors;
|
|
list_super(fs->super);
|
|
if (ext2fs_has_feature_journal_dev(fs->super)) {
|
|
print_journal_information(fs);
|
|
|
|
goto out_close;
|
|
}
|
|
if (ext2fs_has_feature_journal(fs->super) &&
|
|
(fs->super->s_journal_inum != 0))
|
|
print_inline_journal_information(fs);
|
|
if (ext2fs_has_feature_mmp(fs->super) &&
|
|
fs->super->s_mmp_block != 0)
|
|
print_mmp_block(fs);
|
|
list_bad_blocks(fs, 0);
|
|
if (header_only)
|
|
goto out_close;
|
|
|
|
fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
|
|
try_bitmaps_again:
|
|
retval = ext2fs_read_bitmaps(fs);
|
|
if (retval && !retval_csum) {
|
|
fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
|
|
retval_csum = retval;
|
|
error_csum = _("while trying to read '%s' bitmaps\n");
|
|
goto try_bitmaps_again;
|
|
}
|
|
just_descriptors:
|
|
list_desc(fs, grp_only);
|
|
}
|
|
out_close:
|
|
if (retval_csum) {
|
|
com_err(program_name, retval_csum, error_csum, device_name);
|
|
printf("%s", _("*** Run e2fsck now!\n\n"));
|
|
if (!retval)
|
|
retval = retval_csum;
|
|
}
|
|
ext2fs_close_free(&fs);
|
|
remove_error_table(&et_ext2_error_table);
|
|
out:
|
|
return retval;
|
|
}
|