[thirdparty/e2fsprogs.git] / misc / dumpe2fs.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
 */

#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 "jfs_user.h"
#include <uuid/uuid.h>

#include "../version.h"
#include "nls-enable.h"

#define in_use(m, x)	(ext2fs_test_bit ((x), (m)))

const char * program_name = "dumpe2fs";
char * device_name = NULL;
int hex_format = 0;

static void usage(void)
{
	fprintf (stderr, _("Usage: %s [-bfhixV] [-ob superblock] "
		 "[-oB blocksize] 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)
{
	int p = 0;
	unsigned long i;
	unsigned long j;

	offset += group * nbytes;
	for (i = 0; i < nbytes; i++)
		if (!in_use (bitmap, i))
		{
			if (p)
				printf (", ");
			print_number(i + offset);
			for (j = i; j < nbytes && !in_use (bitmap, j); j++)
				;
			if (--j != i) {
				fputc('-', stdout);
				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;

	if (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_LAZY_BG)
		bg_flags = fs->group_desc[i].bg_flags;
	else
		bg_flags = 0;

	print_bg_opt(bg_flags, EXT2_BG_INODE_UNINIT, "Inode not init",
 		     &first);
	print_bg_opt(bg_flags, EXT2_BG_BLOCK_UNINIT, "Block not init",
 		     &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;
	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 has_super;

	if (fs->block_map)
		block_bitmap = fs->block_map->bitmap;
	if (fs->inode_map)
		inode_bitmap = fs->inode_map->bitmap;

	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);
	group_blk = 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++) {
		ext2fs_super_and_bgd_loc(fs, i, &super_blk, 
					 &old_desc_blk, &new_desc_blk, 0);
		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;
		printf (_("Group %lu: (Blocks "), i);
		print_range(group_blk, next_blk - 1);
		fputs(")", stdout);
		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(_(", 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);
		print_number(fs->group_desc[i].bg_block_bitmap);
		diff = fs->group_desc[i].bg_block_bitmap - group_blk;
		if (diff >= 0)
			printf(" (+%ld)", diff);
		fputs(_(", Inode bitmap at "), stdout);
		print_number(fs->group_desc[i].bg_inode_bitmap);
		diff = fs->group_desc[i].bg_inode_bitmap - group_blk;
		if (diff >= 0)
			printf(" (+%ld)", diff);
		fputs(_("\n  Inode table at "), stdout);
		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 - group_blk;
		if (diff > 0)
			printf(" (+%ld)", diff);
		printf (_("\n  %d free blocks, %d free inodes, "
			  "%d directories\n"),
			fs->group_desc[i].bg_free_blocks_count,
			fs->group_desc[i].bg_free_inodes_count,
			fs->group_desc[i].bg_used_dirs_count);
		if (block_bitmap) {
			fputs(_("  Free blocks: "), stdout);
			print_free (i, block_bitmap,
				    fs->super->s_blocks_per_group,
				    fs->super->s_first_data_block);
			fputc('\n', stdout);
			block_bitmap += fs->super->s_blocks_per_group / 8;
		}
		if (inode_bitmap) {
			fputs(_("  Free inodes: "), stdout);
			print_free (i, inode_bitmap,
				    fs->super->s_inodes_per_group, 1);
			fputc('\n', stdout);
			inode_bitmap += fs->super->s_inodes_per_group / 8;
		}
		group_blk = next_blk;
	}
}

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,
			_("while printing bad block list"));
		return;
	}
	if (dump) {
		header = fmt = "%d\n";
	} else {
		header =  _("Bad blocks: %d");
		fmt = ", %d";
	}
	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);
}

static void print_inline_journal_information(ext2_filsys fs)
{
	struct ext2_inode	inode;
	errcode_t		retval;
	ino_t			ino = fs->super->s_journal_inum;
	int			size;
	
	retval = ext2fs_read_inode(fs, ino,  &inode);
	if (retval) {
		com_err(program_name, retval,
			_("while reading journal inode"));
		exit(1);
	}
	fputs(_("Journal size:             "), stdout);
	size = inode.i_blocks >> 1;
	if (size < 8192)
		printf("%uk\n", size);
	else
		printf("%uM\n", size >> 10);
}

static void print_journal_information(ext2_filsys fs)
{
	errcode_t	retval;
	char		buf[1024];
	char		str[80];
	unsigned int	i;
	journal_superblock_t	*jsb;

	/* Get the journal superblock */
	if ((retval = io_channel_read_blk(fs->io, fs->super->s_first_data_block+1, -1024, buf))) {
		com_err(program_name, retval,
			_("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,
			_("Couldn't find journal superblock magic numbers"));
		exit(1);
	}

	printf(_("\nJournal block size:       %u\n"
		 "Journal length:           %u\n"
		 "Journal first block:      %u\n"
		 "Journal sequence:         0x%08x\n"
		 "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"),
		       str);
	}
}

int main (int argc, char ** argv)
{
	errcode_t	retval;
	ext2_filsys	fs;
	int		print_badblocks = 0;
	int		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();
	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':
			print_badblocks++;
			break;
		case 'f':
			force++;
			break;
		case 'h':
			header_only++;
			break;
		case 'i':
			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();
			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++];
	if (use_superblock && !use_blocksize)
		use_blocksize = 1024;
	flags = EXT2_FLAG_JOURNAL_DEV_OK;
	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 (retval) {
		com_err (program_name, retval, _("while trying to open %s"),
			 device_name);
		printf (_("Couldn't find valid filesystem superblock.\n"));
		exit (1);
	}
	if (print_badblocks) {
		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) {
			print_journal_information(fs);
			ext2fs_close(fs);
			exit(0);
		}
		if (fs->super->s_feature_compat &
		      EXT3_FEATURE_COMPAT_HAS_JOURNAL)
			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) {
			printf(_("\n%s: %s: error reading bitmaps: %s\n"),
			       program_name, device_name,
			       error_message(retval));
		}
	}
	ext2fs_close (fs);
	exit (0);
}
Commit	Line	Data
3839e657 TT	1	/*
	2	* dumpe2fs.c - List the control structures of a second
	3	* extended filesystem
	4	*
	5	* Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
	6	* Laboratoire MASI, Institut Blaise Pascal
	7	* Universite Pierre et Marie Curie (Paris VI)
	8	*
19c78dc0 TT	9	* Copyright 1995, 1996, 1997 by Theodore Ts'o.
	10	*
	11	* %Begin-Header%
	12	* This file may be redistributed under the terms of the GNU Public
	13	* License.
	14	* %End-Header%
3839e657 TT	15	*/
	16
	17	/*
	18	* History:
	19	* 94/01/09 - Creation
	20	* 94/02/27 - Ported to use the ext2fs library
	21	*/
	22
a418d3ad	23	#ifdef HAVE_GETOPT_H
3839e657	24	#include <getopt.h>
373b8337 TT	25	#else
	26	extern char *optarg;
	27	extern int optind;
a418d3ad	28	#endif
3839e657 TT	29	#include <fcntl.h>
	30	#include <stdio.h>
	31	#include <stdlib.h>
	32	#include <string.h>
	33	#include <unistd.h>
	34
54c637d4	35	#include "ext2fs/ext2_fs.h"
3839e657 TT	36
	37	#include "ext2fs/ext2fs.h"
	38	#include "e2p/e2p.h"
16ed5b3a	39	#include "jfs_user.h"
4ea7bd04	40	#include <uuid/uuid.h>
3839e657 TT	41
3839e657 TT	42	#include "../version.h"
d9c56d3c	43	#include "nls-enable.h"
3839e657	44
74becf3c	45	#define in_use(m, x) (ext2fs_test_bit ((x), (m)))
3839e657 TT	46
	47	const char * program_name = "dumpe2fs";
	48	char * device_name = NULL;
9b9a780f	49	int hex_format = 0;
3839e657	50
818180cd	51	static void usage(void)
3839e657	52	{
348e43dc	53	fprintf (stderr, _("Usage: %s [-bfhixV] [-ob superblock] "
d9c56d3c	54	"[-oB blocksize] device\n"), program_name);
3839e657 TT	55	exit (1);
	56	}
	57
9b9a780f	58	static void print_number(unsigned long num)
54434927	59	{
9b9a780f TT	60	if (hex_format)
	61	printf("0x%04lx", num);
	62	else
	63	printf("%lu", num);
	64	}
	65
	66	static void print_range(unsigned long a, unsigned long b)
	67	{
	68	if (hex_format)
	69	printf("0x%04lx-0x%04lx", a, b);
	70	else
	71	printf("%lu-%lu", a, b);
54434927 TT	72	}
54434927 TT	73
3839e657 TT	74	static void print_free (unsigned long group, char * bitmap,
	75	unsigned long nbytes, unsigned long offset)
	76	{
	77	int p = 0;
	78	unsigned long i;
	79	unsigned long j;
	80
a5f0bb9d	81	offset += group * nbytes;
3839e657 TT	82	for (i = 0; i < nbytes; i++)
	83	if (!in_use (bitmap, i))
	84	{
	85	if (p)
	86	printf (", ");
54434927	87	print_number(i + offset);
a5f0bb9d TT	88	for (j = i; j < nbytes && !in_use (bitmap, j); j++)
	89	;
	90	if (--j != i) {
	91	fputc('-', stdout);
54434927	92	print_number(j + offset);
a5f0bb9d	93	i = j;
3839e657 TT	94	}
	95	p = 1;
	96	}
	97	}
	98
f5fa2007 TT	99	static void print_bg_opt(int bg_flags, int mask,
	100	const char str, int first)
	101	{
	102	if (bg_flags & mask) {
	103	if (*first) {
	104	fputs(" [", stdout);
	105	*first = 0;
	106	} else
	107	fputs(", ", stdout);
	108	fputs(str, stdout);
	109	}
	110	}
	111	static void print_bg_opts(ext2_filsys fs, dgrp_t i)
	112	{
	113	int first = 1, bg_flags;
	114
	115	if (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_LAZY_BG)
	116	bg_flags = fs->group_desc[i].bg_flags;
	117	else
	118	bg_flags = 0;
	119
	120	print_bg_opt(bg_flags, EXT2_BG_INODE_UNINIT, "Inode not init",
	121	&first);
	122	print_bg_opt(bg_flags, EXT2_BG_BLOCK_UNINIT, "Block not init",
	123	&first);
	124	if (!first)
	125	fputc(']', stdout);
	126	fputc('\n', stdout);
	127	}
	128
3839e657 TT	129	static void list_desc (ext2_filsys fs)
	130	{
	131	unsigned long i;
a5f0bb9d	132	long diff;
521e3685	133	blk_t group_blk, next_blk;
ef344e13	134	blk_t super_blk, old_desc_blk, new_desc_blk;
d90a23e2	135	char block_bitmap=NULL, inode_bitmap=NULL;
35238dd1	136	int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
ef344e13	137	int has_super;
80c22c90	138
d90a23e2 TT	139	if (fs->block_map)
	140	block_bitmap = fs->block_map->bitmap;
	141	if (fs->inode_map)
	142	inode_bitmap = fs->inode_map->bitmap;
	143
80c22c90 TT	144	inode_blocks_per_group = ((fs->super->s_inodes_per_group *
	145	EXT2_INODE_SIZE(fs->super)) +
	146	EXT2_BLOCK_SIZE(fs->super) - 1) /
	147	EXT2_BLOCK_SIZE(fs->super);
35238dd1	148	reserved_gdt = fs->super->s_reserved_gdt_blocks;
a5f0bb9d	149	fputc('\n', stdout);
521e3685	150	group_blk = fs->super->s_first_data_block;
76dd5e5c TT	151	if (fs->super->s_feature_incompat & EXT2_FEATURE_INCOMPAT_META_BG)
	152	old_desc_blocks = fs->super->s_first_meta_bg;
	153	else
	154	old_desc_blocks = fs->desc_blocks;
521e3685	155	for (i = 0; i < fs->group_desc_count; i++) {
ef344e13 TT	156	ext2fs_super_and_bgd_loc(fs, i, &super_blk,
ef344e13 TT	157	&old_desc_blk, &new_desc_blk, 0);
521e3685 TT	158	next_blk = group_blk + fs->super->s_blocks_per_group;
	159	if (next_blk > fs->super->s_blocks_count)
	160	next_blk = fs->super->s_blocks_count;
a5f0bb9d	161	printf (_("Group %lu: (Blocks "), i);
9b9a780f	162	print_range(group_blk, next_blk - 1);
f5fa2007 TT	163	fputs(")", stdout);
f5fa2007 TT	164	print_bg_opts(fs, i);
ef344e13	165	has_super = ((i==0) \|\| super_blk);
c046ac7f TT	166	if (has_super) {
c046ac7f TT	167	printf (_(" %s superblock at "),
a5f0bb9d	168	i == 0 ? _("Primary") : _("Backup"));
54434927	169	print_number(super_blk);
c046ac7f	170	}
ef344e13 TT	171	if (old_desc_blk) {
ef344e13 TT	172	printf(_(", Group descriptors at "));
9b9a780f TT	173	print_range(old_desc_blk,
9b9a780f TT	174	old_desc_blk + old_desc_blocks - 1);
35238dd1 TT	175	if (reserved_gdt) {
35238dd1 TT	176	printf(_("\n Reserved GDT blocks at "));
9b9a780f TT	177	print_range(old_desc_blk + old_desc_blocks,
	178	old_desc_blk + old_desc_blocks +
	179	reserved_gdt - 1);
35238dd1	180	}
ef344e13 TT	181	} else if (new_desc_blk) {
	182	fputc(has_super ? ',' : ' ', stdout);
	183	printf(_(" Group descriptor at "));
54434927	184	print_number(new_desc_blk);
ef344e13	185	has_super++;
a5f0bb9d	186	}
ef344e13 TT	187	if (has_super)
ef344e13 TT	188	fputc('\n', stdout);
a5f0bb9d	189	fputs(_(" Block bitmap at "), stdout);
54434927	190	print_number(fs->group_desc[i].bg_block_bitmap);
a5f0bb9d TT	191	diff = fs->group_desc[i].bg_block_bitmap - group_blk;
a5f0bb9d TT	192	if (diff >= 0)
4ea7bd04	193	printf(" (+%ld)", diff);
a5f0bb9d	194	fputs(_(", Inode bitmap at "), stdout);
54434927	195	print_number(fs->group_desc[i].bg_inode_bitmap);
a5f0bb9d TT	196	diff = fs->group_desc[i].bg_inode_bitmap - group_blk;
a5f0bb9d TT	197	if (diff >= 0)
4ea7bd04	198	printf(" (+%ld)", diff);
a5f0bb9d	199	fputs(_("\n Inode table at "), stdout);
9b9a780f TT	200	print_range(fs->group_desc[i].bg_inode_table,
	201	fs->group_desc[i].bg_inode_table +
	202	inode_blocks_per_group - 1);
a5f0bb9d TT	203	diff = fs->group_desc[i].bg_inode_table - group_blk;
a5f0bb9d TT	204	if (diff > 0)
4ea7bd04	205	printf(" (+%ld)", diff);
a5f0bb9d	206	printf (_("\n %d free blocks, %d free inodes, "
d90a23e2	207	"%d directories\n"),
3839e657 TT	208	fs->group_desc[i].bg_free_blocks_count,
	209	fs->group_desc[i].bg_free_inodes_count,
	210	fs->group_desc[i].bg_used_dirs_count);
d90a23e2 TT	211	if (block_bitmap) {
	212	fputs(_(" Free blocks: "), stdout);
	213	print_free (i, block_bitmap,
	214	fs->super->s_blocks_per_group,
	215	fs->super->s_first_data_block);
	216	fputc('\n', stdout);
	217	block_bitmap += fs->super->s_blocks_per_group / 8;
	218	}
	219	if (inode_bitmap) {
	220	fputs(_(" Free inodes: "), stdout);
	221	print_free (i, inode_bitmap,
	222	fs->super->s_inodes_per_group, 1);
	223	fputc('\n', stdout);
	224	inode_bitmap += fs->super->s_inodes_per_group / 8;
	225	}
521e3685	226	group_blk = next_blk;
3839e657 TT	227	}
	228	}
	229
0655b104	230	static void list_bad_blocks(ext2_filsys fs, int dump)
3839e657 TT	231	{
	232	badblocks_list bb_list = 0;
	233	badblocks_iterate bb_iter;
	234	blk_t blk;
	235	errcode_t retval;
0655b104	236	const char header, fmt;
3839e657 TT	237
	238	retval = ext2fs_read_bb_inode(fs, &bb_list);
	239	if (retval) {
9b9a780f	240	com_err("ext2fs_read_bb_inode", retval, 0);
0655b104	241	return;
3839e657	242	}
cbbf031b	243	retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
3839e657	244	if (retval) {
cbbf031b	245	com_err("ext2fs_badblocks_list_iterate_begin", retval,
d9c56d3c	246	_("while printing bad block list"));
0655b104	247	return;
3839e657	248	}
0655b104 TT	249	if (dump) {
	250	header = fmt = "%d\n";
	251	} else {
	252	header = _("Bad blocks: %d");
	253	fmt = ", %d";
f3db3566	254	}
0655b104 TT	255	while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
	256	printf(header ? header : fmt, blk);
	257	header = 0;
f3db3566	258	}
cbbf031b	259	ext2fs_badblocks_list_iterate_end(bb_iter);
0655b104 TT	260	if (!dump)
0655b104 TT	261	fputc('\n', stdout);
1e3472c5	262	}
f3db3566	263
6515a6f1 TT	264	static void print_inline_journal_information(ext2_filsys fs)
	265	{
	266	struct ext2_inode inode;
	267	errcode_t retval;
	268	ino_t ino = fs->super->s_journal_inum;
	269	int size;
	270
	271	retval = ext2fs_read_inode(fs, ino, &inode);
	272	if (retval) {
	273	com_err(program_name, retval,
	274	_("while reading journal inode"));
	275	exit(1);
	276	}
	277	fputs(_("Journal size: "), stdout);
	278	size = inode.i_blocks >> 1;
	279	if (size < 8192)
	280	printf("%uk\n", size);
	281	else
	282	printf("%uM\n", size >> 10);
	283	}
	284
16ed5b3a TT	285	static void print_journal_information(ext2_filsys fs)
	286	{
	287	errcode_t retval;
	288	char buf[1024];
	289	char str[80];
54434927	290	unsigned int i;
16ed5b3a TT	291	journal_superblock_t *jsb;
	292
	293	/* Get the journal superblock */
02088862	294	if ((retval = io_channel_read_blk(fs->io, fs->super->s_first_data_block+1, -1024, buf))) {
16ed5b3a TT	295	com_err(program_name, retval,
	296	_("while reading journal superblock"));
	297	exit(1);
	298	}
	299	jsb = (journal_superblock_t *) buf;
	300	if ((jsb->s_header.h_magic != (unsigned) ntohl(JFS_MAGIC_NUMBER)) \|\|
	301	(jsb->s_header.h_blocktype !=
	302	(unsigned) ntohl(JFS_SUPERBLOCK_V2))) {
	303	com_err(program_name, 0,
	304	_("Couldn't find journal superblock magic numbers"));
	305	exit(1);
	306	}
	307
8deb80a5 TS	308	printf(_("\nJournal block size: %u\n"
	309	"Journal length: %u\n"
	310	"Journal first block: %u\n"
a5f0bb9d	311	"Journal sequence: 0x%08x\n"
8deb80a5	312	"Journal start: %u\n"
f6567a88 MA	313	"Journal number of users: %u\n"),
	314	(unsigned int)ntohl(jsb->s_blocksize), (unsigned int)ntohl(jsb->s_maxlen),
	315	(unsigned int)ntohl(jsb->s_first), (unsigned int)ntohl(jsb->s_sequence),
	316	(unsigned int)ntohl(jsb->s_start), (unsigned int)ntohl(jsb->s_nr_users));
a5f0bb9d	317
16ed5b3a	318	for (i=0; i < ntohl(jsb->s_nr_users); i++) {
16ed5b3a	319	uuid_unparse(&jsb->s_users[i*16], str);
a5f0bb9d	320	printf(i ? " %s\n"
bb145b01	321	: _("Journal users: %s\n"),
a5f0bb9d	322	str);
16ed5b3a TT	323	}
	324	}
	325
00e5433e	326	int main (int argc, char ** argv)
3839e657 TT	327	{
	328	errcode_t retval;
	329	ext2_filsys fs;
f3db3566	330	int print_badblocks = 0;
02e7dd9a TT	331	int use_superblock = 0;
02e7dd9a TT	332	int use_blocksize = 0;
348e43dc	333	int image_dump = 0;
2740156b	334	int force = 0;
16ed5b3a	335	int flags;
2740156b	336	int header_only = 0;
1e3472c5	337	int big_endian;
519149fb	338	int c;
3839e657	339
d9c56d3c TT	340	#ifdef ENABLE_NLS
d9c56d3c TT	341	setlocale(LC_MESSAGES, "");
14308a53	342	setlocale(LC_CTYPE, "");
d9c56d3c TT	343	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
	344	textdomain(NLS_CAT_NAME);
	345	#endif
5c576477	346	initialize_ext2_error_table();
0f8973fb TT	347	fprintf (stderr, "dumpe2fs %s (%s)\n", E2FSPROGS_VERSION,
0f8973fb TT	348	E2FSPROGS_DATE);
3839e657 TT	349	if (argc && *argv)
3839e657 TT	350	program_name = *argv;
f3db3566	351
348e43dc	352	while ((c = getopt (argc, argv, "bfhixVo:")) != EOF) {
f3db3566 TT	353	switch (c) {
	354	case 'b':
	355	print_badblocks++;
	356	break;
2740156b TT	357	case 'f':
	358	force++;
	359	break;
	360	case 'h':
	361	header_only++;
	362	break;
348e43dc TT	363	case 'i':
	364	image_dump++;
	365	break;
02e7dd9a TT	366	case 'o':
	367	if (optarg[0] == 'b')
	368	use_superblock = atoi(optarg+1);
	369	else if (optarg[0] == 'B')
	370	use_blocksize = atoi(optarg+1);
	371	else
	372	usage();
	373	break;
5c576477 TT	374	case 'V':
5c576477 TT	375	/* Print version number and exit */
d9c56d3c	376	fprintf(stderr, _("\tUsing %s\n"),
5c576477 TT	377	error_message(EXT2_ET_BASE));
5c576477 TT	378	exit(0);
80c22c90	379	case 'x':
9b9a780f	380	hex_format++;
80c22c90	381	break;
f3db3566	382	default:
818180cd	383	usage();
f3db3566 TT	384	}
	385	}
	386	if (optind > argc - 1)
818180cd	387	usage();
f3db3566	388	device_name = argv[optind++];
02e7dd9a TT	389	if (use_superblock && !use_blocksize)
02e7dd9a TT	390	use_blocksize = 1024;
16ed5b3a TT	391	flags = EXT2_FLAG_JOURNAL_DEV_OK;
	392	if (force)
	393	flags \|= EXT2_FLAG_FORCE;
348e43dc TT	394	if (image_dump)
	395	flags \|= EXT2_FLAG_IMAGE_FILE;
	396
16ed5b3a TT	397	retval = ext2fs_open (device_name, flags, use_superblock,
16ed5b3a TT	398	use_blocksize, unix_io_manager, &fs);
f3db3566	399	if (retval) {
d9c56d3c	400	com_err (program_name, retval, _("while trying to open %s"),
3839e657	401	device_name);
d9c56d3c	402	printf (_("Couldn't find valid filesystem superblock.\n"));
3839e657 TT	403	exit (1);
3839e657 TT	404	}
f3db3566	405	if (print_badblocks) {
0655b104	406	list_bad_blocks(fs, 1);
f3db3566	407	} else {
2740156b	408	big_endian = ((fs->flags & EXT2_FLAG_SWAP_BYTES) != 0);
cbbf031b TT	409	#ifdef WORDS_BIGENDIAN
	410	big_endian = !big_endian;
	411	#endif
2740156b	412	if (big_endian)
d9c56d3c	413	printf(_("Note: This is a byte-swapped filesystem\n"));
2740156b	414	list_super (fs->super);
16ed5b3a TT	415	if (fs->super->s_feature_incompat &
	416	EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) {
	417	print_journal_information(fs);
	418	ext2fs_close(fs);
	419	exit(0);
	420	}
6515a6f1 TT	421	if (fs->super->s_feature_compat &
	422	EXT3_FEATURE_COMPAT_HAS_JOURNAL)
	423	print_inline_journal_information(fs);
0655b104	424	list_bad_blocks(fs, 0);
2740156b TT	425	if (header_only) {
	426	ext2fs_close (fs);
	427	exit (0);
	428	}
f3db3566	429	retval = ext2fs_read_bitmaps (fs);
d90a23e2	430	list_desc (fs);
f3db3566	431	if (retval) {
d90a23e2 TT	432	printf(_("\n%s: %s: error reading bitmaps: %s\n"),
	433	program_name, device_name,
	434	error_message(retval));
f3db3566	435	}
3839e657	436	}
3839e657 TT	437	ext2fs_close (fs);
	438	exit (0);
	439	}