const char * program_name = "dumpe2fs";
char * device_name = NULL;
-const char *num_format = "%lu";
+int hex_format = 0;
static void usage(void)
{
- fprintf (stderr, _("Usage: %s [-bfhixV] [-ob superblock] "
- "[-oB blocksize] device\n"), program_name);
+ fprintf (stderr, _("Usage: %s [-bfhixV] [-o superblock=<num>] "
+ "[-o blocksize=<num>] device\n"), program_name);
exit (1);
}
+static void print_number(unsigned long num)
+{
+ if (hex_format)
+ printf("0x%04lx", num);
+ else
+ printf("%lu", num);
+}
+
+static void print_range(unsigned long a, unsigned long b)
+{
+ if (hex_format)
+ printf("0x%04lx-0x%04lx", a, b);
+ else
+ printf("%lu-%lu", a, b);
+}
+
static void print_free (unsigned long group, char * bitmap,
unsigned long nbytes, unsigned long offset)
{
{
if (p)
printf (", ");
- printf (num_format, i + offset);
+ print_number(i + offset);
for (j = i; j < nbytes && !in_use (bitmap, j); j++)
;
if (--j != i) {
fputc('-', stdout);
- printf(num_format, j + offset);
+ print_number(j + offset);
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 (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
+ bg_flags = fs->group_desc[i].bg_flags;
+
+ 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 list_desc (ext2_filsys fs)
{
unsigned long i;
long diff;
- blk_t group_blk, next_blk;
- char * block_bitmap = fs->block_map->bitmap;
- char * inode_bitmap = fs->inode_map->bitmap;
- int inode_blocks_per_group;
- int group_desc_blocks;
+ blk_t first_block, last_block;
+ blk_t super_blk, old_desc_blk, new_desc_blk;
+ char *block_bitmap=NULL, *inode_bitmap=NULL;
+ int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
+ int block_nbytes, inode_nbytes;
+ int has_super;
+ blk_t blk_itr = fs->super->s_first_data_block;
+ ext2_ino_t ino_itr = 1;
+
+ block_nbytes = EXT2_BLOCKS_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);
- group_desc_blocks = ((fs->super->s_blocks_count -
- fs->super->s_first_data_block +
- EXT2_BLOCKS_PER_GROUP(fs->super) - 1) /
- EXT2_BLOCKS_PER_GROUP(fs->super) +
- EXT2_DESC_PER_BLOCK(fs->super) - 1) /
- EXT2_DESC_PER_BLOCK(fs->super);
-
+ reserved_gdt = fs->super->s_reserved_gdt_blocks;
fputc('\n', stdout);
- group_blk = fs->super->s_first_data_block;
+ first_block = fs->super->s_first_data_block;
+ if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
+ old_desc_blocks = fs->super->s_first_meta_bg;
+ else
+ old_desc_blocks = fs->desc_blocks;
for (i = 0; i < fs->group_desc_count; i++) {
- next_blk = group_blk + fs->super->s_blocks_per_group;
- if (next_blk > fs->super->s_blocks_count)
- next_blk = fs->super->s_blocks_count;
+ first_block = ext2fs_group_first_block(fs, i);
+ last_block = ext2fs_group_last_block(fs, i);
+
+ ext2fs_super_and_bgd_loc(fs, i, &super_blk,
+ &old_desc_blk, &new_desc_blk, 0);
+
printf (_("Group %lu: (Blocks "), i);
- printf(num_format, group_blk);
- fputc('-', stdout);
- printf(num_format, next_blk - 1);
- fputs(")\n", stdout);
- if (ext2fs_bg_has_super (fs, i)) {
- printf (_(" %s Superblock at "),
+ print_range(first_block, last_block);
+ fputs(")", stdout);
+ print_bg_opts(fs, i);
+ if (fs->super->s_feature_ro_compat & EXT4_FEATURE_RO_COMPAT_GDT_CSUM)
+ printf(_(" Checksum 0x%04x, unused inodes %d\n"),
+ fs->group_desc[i].bg_checksum,
+ fs->group_desc[i].bg_itable_unused);
+ has_super = ((i==0) || super_blk);
+ if (has_super) {
+ printf (_(" %s superblock at "),
i == 0 ? _("Primary") : _("Backup"));
- printf(num_format, group_blk);
- printf(_(", Group Descriptors at "));
- printf(num_format, group_blk+1);
- fputc('-', stdout);
- printf(num_format, group_blk + group_desc_blocks);
- fputc('\n', stdout);
+ print_number(super_blk);
}
+ if (old_desc_blk) {
+ printf(_(", Group descriptors at "));
+ print_range(old_desc_blk,
+ old_desc_blk + old_desc_blocks - 1);
+ if (reserved_gdt) {
+ printf(_("\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(_(" Group descriptor at "));
+ print_number(new_desc_blk);
+ has_super++;
+ }
+ if (has_super)
+ fputc('\n', stdout);
fputs(_(" Block bitmap at "), stdout);
- printf(num_format, fs->group_desc[i].bg_block_bitmap);
- diff = fs->group_desc[i].bg_block_bitmap - group_blk;
+ print_number(fs->group_desc[i].bg_block_bitmap);
+ diff = fs->group_desc[i].bg_block_bitmap - first_block;
if (diff >= 0)
printf(" (+%ld)", diff);
fputs(_(", Inode bitmap at "), stdout);
- printf(num_format, fs->group_desc[i].bg_inode_bitmap);
- diff = fs->group_desc[i].bg_inode_bitmap - group_blk;
+ print_number(fs->group_desc[i].bg_inode_bitmap);
+ diff = fs->group_desc[i].bg_inode_bitmap - first_block;
if (diff >= 0)
printf(" (+%ld)", diff);
fputs(_("\n Inode table at "), stdout);
- printf(num_format, fs->group_desc[i].bg_inode_table);
- fputc('-', stdout);
- printf(num_format, fs->group_desc[i].bg_inode_table +
- inode_blocks_per_group - 1);
- diff = fs->group_desc[i].bg_inode_table - group_blk;
+ print_range(fs->group_desc[i].bg_inode_table,
+ fs->group_desc[i].bg_inode_table +
+ inode_blocks_per_group - 1);
+ diff = fs->group_desc[i].bg_inode_table - first_block;
if (diff > 0)
printf(" (+%ld)", diff);
- printf (_("\n %d free blocks, %d free inodes, "
- "%d directories\n Free blocks: "),
+ printf (_("\n %u free blocks, %u free inodes, "
+ "%u directories%s"),
fs->group_desc[i].bg_free_blocks_count,
fs->group_desc[i].bg_free_inodes_count,
- fs->group_desc[i].bg_used_dirs_count);
- print_free (i, block_bitmap, fs->super->s_blocks_per_group,
- fs->super->s_first_data_block);
- fputs(_("\n Free inodes: "), stdout);
- print_free (i, inode_bitmap, fs->super->s_inodes_per_group, 1);
- fputc('\n', stdout);
- block_bitmap += fs->super->s_blocks_per_group / 8;
- inode_bitmap += fs->super->s_inodes_per_group / 8;
- group_blk = next_blk;
+ fs->group_desc[i].bg_used_dirs_count,
+ fs->group_desc[i].bg_itable_unused ? "" : "\n");
+ if (fs->group_desc[i].bg_itable_unused)
+ printf (_(", %u unused inodes\n"),
+ fs->group_desc[i].bg_itable_unused);
+ if (block_bitmap) {
+ fputs(_(" Free blocks: "), stdout);
+ ext2fs_get_block_bitmap_range(fs->block_map,
+ blk_itr, block_nbytes << 3, block_bitmap);
+ print_free (i, block_bitmap,
+ fs->super->s_blocks_per_group,
+ fs->super->s_first_data_block);
+ fputc('\n', stdout);
+ blk_itr += fs->super->s_blocks_per_group;
+ }
+ if (inode_bitmap) {
+ fputs(_(" Free inodes: "), stdout);
+ ext2fs_get_inode_bitmap_range(fs->inode_map,
+ ino_itr, inode_nbytes << 3, inode_bitmap);
+ print_free (i, inode_bitmap,
+ fs->super->s_inodes_per_group, 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)
+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, "");
- exit(1);
+ 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,
_("while printing bad block list"));
- exit(1);
+ 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;
}
- if (ext2fs_badblocks_list_iterate(bb_iter, &blk))
- printf(_("Bad blocks: %d"), blk);
- while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
- printf(", %d", blk);
ext2fs_badblocks_list_iterate_end(bb_iter);
- fputc('\n', stdout);
+ if (!dump)
+ fputc('\n', stdout);
+ ext2fs_badblocks_list_free(bb_list);
}
-static void dump_bad_blocks(ext2_filsys fs)
+static void print_inline_journal_information(ext2_filsys fs)
{
- badblocks_list bb_list = 0;
- badblocks_iterate bb_iter;
- blk_t blk;
+ journal_superblock_t *jsb;
+ struct ext2_inode inode;
+ ext2_file_t journal_file;
errcode_t retval;
+ ino_t ino = fs->super->s_journal_inum;
+ char buf[1024];
+ __u32 *mask_ptr, mask, m;
+ int i, j, size, printed = 0;
- retval = ext2fs_read_bb_inode(fs, &bb_list);
+ retval = ext2fs_read_inode(fs, ino, &inode);
if (retval) {
- com_err("ext2fs_read_bb_inode", retval, "");
+ com_err(program_name, retval,
+ _("while reading journal inode"));
exit(1);
}
- retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
+ retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file);
if (retval) {
- com_err("ext2fs_badblocks_list_iterate_begin", retval,
- _("while printing bad block list"));
+ com_err(program_name, retval,
+ _("while opening journal inode"));
exit(1);
}
- while (ext2fs_badblocks_list_iterate(bb_iter, &blk))
- printf("%d\n", blk);
- ext2fs_badblocks_list_iterate_end(bb_iter);
+ retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
+ if (retval) {
+ com_err(program_name, retval,
+ _("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,
+ "Journal superblock magic number invalid!\n");
+ exit(1);
+ }
+ printf(_("Journal features: "));
+ for (i=0, mask_ptr=&jsb->s_feature_compat; i <3; i++,mask_ptr++) {
+ mask = be32_to_cpu(*mask_ptr);
+ for (j=0,m=1; j < 32; j++, m<<=1) {
+ if (mask & m) {
+ printf(" %s", e2p_jrnl_feature2string(i, m));
+ printed++;
+ }
+ }
+ }
+ if (printed == 0)
+ printf(" (none)");
+ printf("\n");
+ fputs(_("Journal size: "), stdout);
+ if ((fs->super->s_feature_ro_compat &
+ EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
+ (inode.i_flags & EXT4_HUGE_FILE_FL))
+ size = inode.i_blocks / (fs->blocksize / 1024);
+ else
+ size = inode.i_blocks >> 1;
+ if (size < 8192)
+ printf("%uk\n", size);
+ else
+ printf("%uM\n", size >> 10);
+ printf(_("Journal length: %u\n"
+ "Journal sequence: 0x%08x\n"
+ "Journal start: %u\n"),
+ (unsigned int)ntohl(jsb->s_maxlen),
+ (unsigned int)ntohl(jsb->s_sequence),
+ (unsigned int)ntohl(jsb->s_start));
}
static void print_journal_information(ext2_filsys fs)
errcode_t retval;
char buf[1024];
char str[80];
- int i;
+ unsigned int i;
journal_superblock_t *jsb;
/* Get the journal superblock */
exit(1);
}
- printf(_("\nJournal block size: %d\n"
- "Journal length: %d\n"
- "Journal first block: %d\n"
+ printf(_("\nJournal block size: %u\n"
+ "Journal length: %u\n"
+ "Journal first block: %u\n"
"Journal sequence: 0x%08x\n"
- "Journal start: %d\n"
- "Journal number of users: %d\n"),
- ntohl(jsb->s_blocksize), ntohl(jsb->s_maxlen),
- ntohl(jsb->s_first), ntohl(jsb->s_sequence),
- ntohl(jsb->s_start), ntohl(jsb->s_nr_users));
+ "Journal start: %u\n"
+ "Journal number of users: %u\n"),
+ (unsigned int)ntohl(jsb->s_blocksize), (unsigned int)ntohl(jsb->s_maxlen),
+ (unsigned int)ntohl(jsb->s_first), (unsigned int)ntohl(jsb->s_sequence),
+ (unsigned int)ntohl(jsb->s_start), (unsigned int)ntohl(jsb->s_nr_users));
for (i=0; i < ntohl(jsb->s_nr_users); i++) {
uuid_unparse(&jsb->s_users[i*16], str);
printf(i ? " %s\n"
- : "Journal users: %s\n",
+ : _("Journal users: %s\n"),
str);
}
}
+static void parse_extended_opts(const char *opts, blk_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,
+ _("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;
ext2_filsys fs;
int print_badblocks = 0;
- int use_superblock = 0;
+ blk_t use_superblock = 0;
int use_blocksize = 0;
int image_dump = 0;
int force = 0;
int flags;
int header_only = 0;
- int big_endian;
int c;
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
+ setlocale(LC_CTYPE, "");
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
textdomain(NLS_CAT_NAME);
#endif
- initialize_ext2_error_table();
+ add_error_table(&et_ext2_error_table);
fprintf (stderr, "dumpe2fs %s (%s)\n", E2FSPROGS_VERSION,
E2FSPROGS_DATE);
if (argc && *argv)
program_name = *argv;
-
+
while ((c = getopt (argc, argv, "bfhixVo:")) != EOF) {
switch (c) {
case 'b':
image_dump++;
break;
case 'o':
- if (optarg[0] == 'b')
- use_superblock = atoi(optarg+1);
- else if (optarg[0] == 'B')
- use_blocksize = atoi(optarg+1);
- else
- usage();
+ parse_extended_opts(optarg, &use_superblock,
+ &use_blocksize);
break;
case 'V':
/* Print version number and exit */
error_message(EXT2_ET_BASE));
exit(0);
case 'x':
- num_format = "0x%04x";
+ hex_format++;
break;
default:
usage();
if (optind > argc - 1)
usage();
device_name = argv[optind++];
- if (use_superblock && !use_blocksize)
- use_blocksize = 1024;
- flags = EXT2_FLAG_JOURNAL_DEV_OK;
+ flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES;
if (force)
flags |= EXT2_FLAG_FORCE;
if (image_dump)
flags |= EXT2_FLAG_IMAGE_FILE;
-
- retval = ext2fs_open (device_name, flags, use_superblock,
- use_blocksize, unix_io_manager, &fs);
+
+ 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);
if (retval) {
com_err (program_name, retval, _("while trying to open %s"),
device_name);
exit (1);
}
if (print_badblocks) {
- dump_bad_blocks(fs);
+ list_bad_blocks(fs, 1);
} else {
- big_endian = ((fs->flags & EXT2_FLAG_SWAP_BYTES) != 0);
-#ifdef WORDS_BIGENDIAN
- big_endian = !big_endian;
-#endif
- if (big_endian)
- printf(_("Note: This is a byte-swapped filesystem\n"));
list_super (fs->super);
if (fs->super->s_feature_incompat &
EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
ext2fs_close(fs);
exit(0);
}
- list_bad_blocks (fs);
+ if ((fs->super->s_feature_compat &
+ EXT3_FEATURE_COMPAT_HAS_JOURNAL) &&
+ (fs->super->s_journal_inum != 0))
+ print_inline_journal_information(fs);
+ list_bad_blocks(fs, 0);
if (header_only) {
ext2fs_close (fs);
exit (0);
}
retval = ext2fs_read_bitmaps (fs);
+ list_desc (fs);
if (retval) {
- com_err (program_name, retval,
- _("while trying to read the bitmaps"),
- device_name);
- ext2fs_close (fs);
- exit (1);
+ printf(_("\n%s: %s: error reading bitmaps: %s\n"),
+ program_name, device_name,
+ error_message(retval));
}
- list_desc (fs);
}
ext2fs_close (fs);
+ remove_error_table(&et_ext2_error_table);
exit (0);
}