xref: /aosp_15_r20/external/e2fsprogs/misc/dumpe2fs.c (revision 6a54128f25917bfc36a8a6e9d722c04a0b4641b6)
1*6a54128fSAndroid Build Coastguard Worker /*
2*6a54128fSAndroid Build Coastguard Worker  * dumpe2fs.c		- List the control structures of a second
3*6a54128fSAndroid Build Coastguard Worker  *			  extended filesystem
4*6a54128fSAndroid Build Coastguard Worker  *
5*6a54128fSAndroid Build Coastguard Worker  * Copyright (C) 1992, 1993, 1994  Remy Card <[email protected]>
6*6a54128fSAndroid Build Coastguard Worker  *                                 Laboratoire MASI, Institut Blaise Pascal
7*6a54128fSAndroid Build Coastguard Worker  *                                 Universite Pierre et Marie Curie (Paris VI)
8*6a54128fSAndroid Build Coastguard Worker  *
9*6a54128fSAndroid Build Coastguard Worker  * Copyright 1995, 1996, 1997 by Theodore Ts'o.
10*6a54128fSAndroid Build Coastguard Worker  *
11*6a54128fSAndroid Build Coastguard Worker  * %Begin-Header%
12*6a54128fSAndroid Build Coastguard Worker  * This file may be redistributed under the terms of the GNU Public
13*6a54128fSAndroid Build Coastguard Worker  * License.
14*6a54128fSAndroid Build Coastguard Worker  * %End-Header%
15*6a54128fSAndroid Build Coastguard Worker  */
16*6a54128fSAndroid Build Coastguard Worker 
17*6a54128fSAndroid Build Coastguard Worker /*
18*6a54128fSAndroid Build Coastguard Worker  * History:
19*6a54128fSAndroid Build Coastguard Worker  * 94/01/09	- Creation
20*6a54128fSAndroid Build Coastguard Worker  * 94/02/27	- Ported to use the ext2fs library
21*6a54128fSAndroid Build Coastguard Worker  */
22*6a54128fSAndroid Build Coastguard Worker 
23*6a54128fSAndroid Build Coastguard Worker #include "config.h"
24*6a54128fSAndroid Build Coastguard Worker #ifdef HAVE_GETOPT_H
25*6a54128fSAndroid Build Coastguard Worker #include <getopt.h>
26*6a54128fSAndroid Build Coastguard Worker #else
27*6a54128fSAndroid Build Coastguard Worker extern char *optarg;
28*6a54128fSAndroid Build Coastguard Worker extern int optind;
29*6a54128fSAndroid Build Coastguard Worker #endif
30*6a54128fSAndroid Build Coastguard Worker #include <fcntl.h>
31*6a54128fSAndroid Build Coastguard Worker #include <stdio.h>
32*6a54128fSAndroid Build Coastguard Worker #include <stdlib.h>
33*6a54128fSAndroid Build Coastguard Worker #include <string.h>
34*6a54128fSAndroid Build Coastguard Worker #include <unistd.h>
35*6a54128fSAndroid Build Coastguard Worker 
36*6a54128fSAndroid Build Coastguard Worker #include "ext2fs/ext2_fs.h"
37*6a54128fSAndroid Build Coastguard Worker 
38*6a54128fSAndroid Build Coastguard Worker #include "ext2fs/ext2fs.h"
39*6a54128fSAndroid Build Coastguard Worker #include "e2p/e2p.h"
40*6a54128fSAndroid Build Coastguard Worker #include "ext2fs/kernel-jbd.h"
41*6a54128fSAndroid Build Coastguard Worker #include <uuid/uuid.h>
42*6a54128fSAndroid Build Coastguard Worker 
43*6a54128fSAndroid Build Coastguard Worker #include "support/nls-enable.h"
44*6a54128fSAndroid Build Coastguard Worker #include "support/plausible.h"
45*6a54128fSAndroid Build Coastguard Worker #include "../version.h"
46*6a54128fSAndroid Build Coastguard Worker 
47*6a54128fSAndroid Build Coastguard Worker #define in_use(m, x)	(ext2fs_test_bit ((x), (m)))
48*6a54128fSAndroid Build Coastguard Worker 
49*6a54128fSAndroid Build Coastguard Worker static const char * program_name = "dumpe2fs";
50*6a54128fSAndroid Build Coastguard Worker static char * device_name = NULL;
51*6a54128fSAndroid Build Coastguard Worker static int hex_format = 0;
52*6a54128fSAndroid Build Coastguard Worker static int blocks64 = 0;
53*6a54128fSAndroid Build Coastguard Worker 
usage(void)54*6a54128fSAndroid Build Coastguard Worker static void usage(void)
55*6a54128fSAndroid Build Coastguard Worker {
56*6a54128fSAndroid Build Coastguard Worker 	fprintf(stderr, _("Usage: %s [-bfghimxV] [-o superblock=<num>] "
57*6a54128fSAndroid Build Coastguard Worker 		 "[-o blocksize=<num>] device\n"), program_name);
58*6a54128fSAndroid Build Coastguard Worker 	exit(1);
59*6a54128fSAndroid Build Coastguard Worker }
60*6a54128fSAndroid Build Coastguard Worker 
print_number(unsigned long long num)61*6a54128fSAndroid Build Coastguard Worker static void print_number(unsigned long long num)
62*6a54128fSAndroid Build Coastguard Worker {
63*6a54128fSAndroid Build Coastguard Worker 	if (hex_format) {
64*6a54128fSAndroid Build Coastguard Worker 		if (blocks64)
65*6a54128fSAndroid Build Coastguard Worker 			printf("0x%08llx", num);
66*6a54128fSAndroid Build Coastguard Worker 		else
67*6a54128fSAndroid Build Coastguard Worker 			printf("0x%04llx", num);
68*6a54128fSAndroid Build Coastguard Worker 	} else
69*6a54128fSAndroid Build Coastguard Worker 		printf("%llu", num);
70*6a54128fSAndroid Build Coastguard Worker }
71*6a54128fSAndroid Build Coastguard Worker 
print_range(unsigned long long a,unsigned long long b)72*6a54128fSAndroid Build Coastguard Worker static void print_range(unsigned long long a, unsigned long long b)
73*6a54128fSAndroid Build Coastguard Worker {
74*6a54128fSAndroid Build Coastguard Worker 	if (hex_format) {
75*6a54128fSAndroid Build Coastguard Worker 		if (blocks64)
76*6a54128fSAndroid Build Coastguard Worker 			printf("0x%08llx-0x%08llx", a, b);
77*6a54128fSAndroid Build Coastguard Worker 		else
78*6a54128fSAndroid Build Coastguard Worker 			printf("0x%04llx-0x%04llx", a, b);
79*6a54128fSAndroid Build Coastguard Worker 	} else
80*6a54128fSAndroid Build Coastguard Worker 		printf("%llu-%llu", a, b);
81*6a54128fSAndroid Build Coastguard Worker }
82*6a54128fSAndroid Build Coastguard Worker 
print_free(unsigned long group,char * bitmap,unsigned long num,unsigned long offset,int ratio)83*6a54128fSAndroid Build Coastguard Worker static void print_free(unsigned long group, char * bitmap,
84*6a54128fSAndroid Build Coastguard Worker 		       unsigned long num, unsigned long offset, int ratio)
85*6a54128fSAndroid Build Coastguard Worker {
86*6a54128fSAndroid Build Coastguard Worker 	int p = 0;
87*6a54128fSAndroid Build Coastguard Worker 	unsigned long i;
88*6a54128fSAndroid Build Coastguard Worker 	unsigned long j;
89*6a54128fSAndroid Build Coastguard Worker 
90*6a54128fSAndroid Build Coastguard Worker 	offset /= ratio;
91*6a54128fSAndroid Build Coastguard Worker 	offset += group * num;
92*6a54128fSAndroid Build Coastguard Worker 	for (i = 0; i < num; i++)
93*6a54128fSAndroid Build Coastguard Worker 		if (!in_use (bitmap, i))
94*6a54128fSAndroid Build Coastguard Worker 		{
95*6a54128fSAndroid Build Coastguard Worker 			if (p)
96*6a54128fSAndroid Build Coastguard Worker 				printf (", ");
97*6a54128fSAndroid Build Coastguard Worker 			print_number((i + offset) * ratio);
98*6a54128fSAndroid Build Coastguard Worker 			for (j = i; j < num && !in_use (bitmap, j); j++)
99*6a54128fSAndroid Build Coastguard Worker 				;
100*6a54128fSAndroid Build Coastguard Worker 			if (--j != i) {
101*6a54128fSAndroid Build Coastguard Worker 				fputc('-', stdout);
102*6a54128fSAndroid Build Coastguard Worker 				print_number((j + offset) * ratio);
103*6a54128fSAndroid Build Coastguard Worker 				i = j;
104*6a54128fSAndroid Build Coastguard Worker 			}
105*6a54128fSAndroid Build Coastguard Worker 			p = 1;
106*6a54128fSAndroid Build Coastguard Worker 		}
107*6a54128fSAndroid Build Coastguard Worker }
108*6a54128fSAndroid Build Coastguard Worker 
print_bg_opt(int bg_flags,int mask,const char * str,int * first)109*6a54128fSAndroid Build Coastguard Worker static void print_bg_opt(int bg_flags, int mask,
110*6a54128fSAndroid Build Coastguard Worker 			  const char *str, int *first)
111*6a54128fSAndroid Build Coastguard Worker {
112*6a54128fSAndroid Build Coastguard Worker 	if (bg_flags & mask) {
113*6a54128fSAndroid Build Coastguard Worker 		if (*first) {
114*6a54128fSAndroid Build Coastguard Worker 			fputs(" [", stdout);
115*6a54128fSAndroid Build Coastguard Worker 			*first = 0;
116*6a54128fSAndroid Build Coastguard Worker 		} else
117*6a54128fSAndroid Build Coastguard Worker 			fputs(", ", stdout);
118*6a54128fSAndroid Build Coastguard Worker 		fputs(str, stdout);
119*6a54128fSAndroid Build Coastguard Worker 	}
120*6a54128fSAndroid Build Coastguard Worker }
print_bg_opts(ext2_filsys fs,dgrp_t i)121*6a54128fSAndroid Build Coastguard Worker static void print_bg_opts(ext2_filsys fs, dgrp_t i)
122*6a54128fSAndroid Build Coastguard Worker {
123*6a54128fSAndroid Build Coastguard Worker 	int first = 1, bg_flags = 0;
124*6a54128fSAndroid Build Coastguard Worker 
125*6a54128fSAndroid Build Coastguard Worker 	if (ext2fs_has_group_desc_csum(fs))
126*6a54128fSAndroid Build Coastguard Worker 		bg_flags = ext2fs_bg_flags(fs, i);
127*6a54128fSAndroid Build Coastguard Worker 
128*6a54128fSAndroid Build Coastguard Worker 	print_bg_opt(bg_flags, EXT2_BG_INODE_UNINIT, "INODE_UNINIT",
129*6a54128fSAndroid Build Coastguard Worker  		     &first);
130*6a54128fSAndroid Build Coastguard Worker 	print_bg_opt(bg_flags, EXT2_BG_BLOCK_UNINIT, "BLOCK_UNINIT",
131*6a54128fSAndroid Build Coastguard Worker  		     &first);
132*6a54128fSAndroid Build Coastguard Worker 	print_bg_opt(bg_flags, EXT2_BG_INODE_ZEROED, "ITABLE_ZEROED",
133*6a54128fSAndroid Build Coastguard Worker  		     &first);
134*6a54128fSAndroid Build Coastguard Worker 	if (!first)
135*6a54128fSAndroid Build Coastguard Worker 		fputc(']', stdout);
136*6a54128fSAndroid Build Coastguard Worker 	fputc('\n', stdout);
137*6a54128fSAndroid Build Coastguard Worker }
138*6a54128fSAndroid Build Coastguard Worker 
print_bg_rel_offset(ext2_filsys fs,blk64_t block,int itable,blk64_t first_block,blk64_t last_block)139*6a54128fSAndroid Build Coastguard Worker static void print_bg_rel_offset(ext2_filsys fs, blk64_t block, int itable,
140*6a54128fSAndroid Build Coastguard Worker 				blk64_t first_block, blk64_t last_block)
141*6a54128fSAndroid Build Coastguard Worker {
142*6a54128fSAndroid Build Coastguard Worker 	if ((block >= first_block) && (block <= last_block)) {
143*6a54128fSAndroid Build Coastguard Worker 		if (itable && block == first_block)
144*6a54128fSAndroid Build Coastguard Worker 			return;
145*6a54128fSAndroid Build Coastguard Worker 		printf(" (+%u)", (unsigned)(block - first_block));
146*6a54128fSAndroid Build Coastguard Worker 	} else if (ext2fs_has_feature_flex_bg(fs->super)) {
147*6a54128fSAndroid Build Coastguard Worker 		dgrp_t flex_grp = ext2fs_group_of_blk2(fs, block);
148*6a54128fSAndroid Build Coastguard Worker 		printf(" (bg #%u + %u)", flex_grp,
149*6a54128fSAndroid Build Coastguard Worker 		       (unsigned)(block-ext2fs_group_first_block2(fs,flex_grp)));
150*6a54128fSAndroid Build Coastguard Worker 	}
151*6a54128fSAndroid Build Coastguard Worker }
152*6a54128fSAndroid Build Coastguard Worker 
list_desc(ext2_filsys fs,int grp_only)153*6a54128fSAndroid Build Coastguard Worker static void list_desc(ext2_filsys fs, int grp_only)
154*6a54128fSAndroid Build Coastguard Worker {
155*6a54128fSAndroid Build Coastguard Worker 	unsigned long i;
156*6a54128fSAndroid Build Coastguard Worker 	blk64_t	first_block, last_block;
157*6a54128fSAndroid Build Coastguard Worker 	blk64_t	super_blk, old_desc_blk, new_desc_blk;
158*6a54128fSAndroid Build Coastguard Worker 	char *block_bitmap=NULL, *inode_bitmap=NULL;
159*6a54128fSAndroid Build Coastguard Worker 	const char *units = _("blocks");
160*6a54128fSAndroid Build Coastguard Worker 	int inode_blocks_per_group, old_desc_blocks, reserved_gdt;
161*6a54128fSAndroid Build Coastguard Worker 	int		block_nbytes, inode_nbytes;
162*6a54128fSAndroid Build Coastguard Worker 	int has_super;
163*6a54128fSAndroid Build Coastguard Worker 	blk64_t		blk_itr = EXT2FS_B2C(fs, fs->super->s_first_data_block);
164*6a54128fSAndroid Build Coastguard Worker 	ext2_ino_t	ino_itr = 1;
165*6a54128fSAndroid Build Coastguard Worker 	errcode_t	retval;
166*6a54128fSAndroid Build Coastguard Worker 
167*6a54128fSAndroid Build Coastguard Worker 	if (ext2fs_has_feature_bigalloc(fs->super))
168*6a54128fSAndroid Build Coastguard Worker 		units = _("clusters");
169*6a54128fSAndroid Build Coastguard Worker 
170*6a54128fSAndroid Build Coastguard Worker 	block_nbytes = EXT2_CLUSTERS_PER_GROUP(fs->super) / 8;
171*6a54128fSAndroid Build Coastguard Worker 	inode_nbytes = EXT2_INODES_PER_GROUP(fs->super) / 8;
172*6a54128fSAndroid Build Coastguard Worker 
173*6a54128fSAndroid Build Coastguard Worker 	if (fs->block_map)
174*6a54128fSAndroid Build Coastguard Worker 		block_bitmap = malloc(block_nbytes);
175*6a54128fSAndroid Build Coastguard Worker 	if (fs->inode_map)
176*6a54128fSAndroid Build Coastguard Worker 		inode_bitmap = malloc(inode_nbytes);
177*6a54128fSAndroid Build Coastguard Worker 
178*6a54128fSAndroid Build Coastguard Worker 	inode_blocks_per_group = ((fs->super->s_inodes_per_group *
179*6a54128fSAndroid Build Coastguard Worker 				   EXT2_INODE_SIZE(fs->super)) +
180*6a54128fSAndroid Build Coastguard Worker 				  EXT2_BLOCK_SIZE(fs->super) - 1) /
181*6a54128fSAndroid Build Coastguard Worker 				 EXT2_BLOCK_SIZE(fs->super);
182*6a54128fSAndroid Build Coastguard Worker 	reserved_gdt = fs->super->s_reserved_gdt_blocks;
183*6a54128fSAndroid Build Coastguard Worker 	fputc('\n', stdout);
184*6a54128fSAndroid Build Coastguard Worker 	first_block = fs->super->s_first_data_block;
185*6a54128fSAndroid Build Coastguard Worker 	if (ext2fs_has_feature_meta_bg(fs->super))
186*6a54128fSAndroid Build Coastguard Worker 		old_desc_blocks = fs->super->s_first_meta_bg;
187*6a54128fSAndroid Build Coastguard Worker 	else
188*6a54128fSAndroid Build Coastguard Worker 		old_desc_blocks = fs->desc_blocks;
189*6a54128fSAndroid Build Coastguard Worker 	if (grp_only)
190*6a54128fSAndroid Build Coastguard Worker 		printf("group:block:super:gdt:bbitmap:ibitmap:itable\n");
191*6a54128fSAndroid Build Coastguard Worker 	for (i = 0; i < fs->group_desc_count; i++) {
192*6a54128fSAndroid Build Coastguard Worker 		first_block = ext2fs_group_first_block2(fs, i);
193*6a54128fSAndroid Build Coastguard Worker 		last_block = ext2fs_group_last_block2(fs, i);
194*6a54128fSAndroid Build Coastguard Worker 
195*6a54128fSAndroid Build Coastguard Worker 		ext2fs_super_and_bgd_loc2(fs, i, &super_blk,
196*6a54128fSAndroid Build Coastguard Worker 					  &old_desc_blk, &new_desc_blk, 0);
197*6a54128fSAndroid Build Coastguard Worker 
198*6a54128fSAndroid Build Coastguard Worker 		if (grp_only) {
199*6a54128fSAndroid Build Coastguard Worker 			printf("%lu:%llu:", i, (unsigned long long) first_block);
200*6a54128fSAndroid Build Coastguard Worker 			if (i == 0 || super_blk)
201*6a54128fSAndroid Build Coastguard Worker 				printf("%llu:", (unsigned long long) super_blk);
202*6a54128fSAndroid Build Coastguard Worker 			else
203*6a54128fSAndroid Build Coastguard Worker 				printf("-1:");
204*6a54128fSAndroid Build Coastguard Worker 			if (old_desc_blk) {
205*6a54128fSAndroid Build Coastguard Worker 				print_range(old_desc_blk,
206*6a54128fSAndroid Build Coastguard Worker 					    old_desc_blk + old_desc_blocks - 1);
207*6a54128fSAndroid Build Coastguard Worker 				printf(":");
208*6a54128fSAndroid Build Coastguard Worker 			} else if (new_desc_blk)
209*6a54128fSAndroid Build Coastguard Worker 				printf("%llu:", (unsigned long long) new_desc_blk);
210*6a54128fSAndroid Build Coastguard Worker 			else
211*6a54128fSAndroid Build Coastguard Worker 				printf("-1:");
212*6a54128fSAndroid Build Coastguard Worker 			printf("%llu:%llu:%llu\n",
213*6a54128fSAndroid Build Coastguard Worker 			       (unsigned long long) ext2fs_block_bitmap_loc(fs, i),
214*6a54128fSAndroid Build Coastguard Worker 			       (unsigned long long) ext2fs_inode_bitmap_loc(fs, i),
215*6a54128fSAndroid Build Coastguard Worker 			       (unsigned long long) ext2fs_inode_table_loc(fs, i));
216*6a54128fSAndroid Build Coastguard Worker 			continue;
217*6a54128fSAndroid Build Coastguard Worker 		}
218*6a54128fSAndroid Build Coastguard Worker 
219*6a54128fSAndroid Build Coastguard Worker 		printf(_("Group %lu: (Blocks "), i);
220*6a54128fSAndroid Build Coastguard Worker 		print_range(first_block, last_block);
221*6a54128fSAndroid Build Coastguard Worker 		fputs(")", stdout);
222*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_has_group_desc_csum(fs)) {
223*6a54128fSAndroid Build Coastguard Worker 			unsigned csum = ext2fs_bg_checksum(fs, i);
224*6a54128fSAndroid Build Coastguard Worker 			unsigned exp_csum = ext2fs_group_desc_csum(fs, i);
225*6a54128fSAndroid Build Coastguard Worker 
226*6a54128fSAndroid Build Coastguard Worker 			printf(_(" csum 0x%04x"), csum);
227*6a54128fSAndroid Build Coastguard Worker 			if (csum != exp_csum)
228*6a54128fSAndroid Build Coastguard Worker 				printf(_(" (EXPECTED 0x%04x)"), exp_csum);
229*6a54128fSAndroid Build Coastguard Worker 		}
230*6a54128fSAndroid Build Coastguard Worker 		print_bg_opts(fs, i);
231*6a54128fSAndroid Build Coastguard Worker 		has_super = ((i==0) || super_blk);
232*6a54128fSAndroid Build Coastguard Worker 		if (has_super) {
233*6a54128fSAndroid Build Coastguard Worker 			printf (_("  %s superblock at "),
234*6a54128fSAndroid Build Coastguard Worker 				i == 0 ? _("Primary") : _("Backup"));
235*6a54128fSAndroid Build Coastguard Worker 			print_number(super_blk);
236*6a54128fSAndroid Build Coastguard Worker 		}
237*6a54128fSAndroid Build Coastguard Worker 		if (old_desc_blk) {
238*6a54128fSAndroid Build Coastguard Worker 			printf("%s", _(", Group descriptors at "));
239*6a54128fSAndroid Build Coastguard Worker 			print_range(old_desc_blk,
240*6a54128fSAndroid Build Coastguard Worker 				    old_desc_blk + old_desc_blocks - 1);
241*6a54128fSAndroid Build Coastguard Worker 			if (reserved_gdt) {
242*6a54128fSAndroid Build Coastguard Worker 				printf("%s", _("\n  Reserved GDT blocks at "));
243*6a54128fSAndroid Build Coastguard Worker 				print_range(old_desc_blk + old_desc_blocks,
244*6a54128fSAndroid Build Coastguard Worker 					    old_desc_blk + old_desc_blocks +
245*6a54128fSAndroid Build Coastguard Worker 					    reserved_gdt - 1);
246*6a54128fSAndroid Build Coastguard Worker 			}
247*6a54128fSAndroid Build Coastguard Worker 		} else if (new_desc_blk) {
248*6a54128fSAndroid Build Coastguard Worker 			fputc(has_super ? ',' : ' ', stdout);
249*6a54128fSAndroid Build Coastguard Worker 			printf("%s", _(" Group descriptor at "));
250*6a54128fSAndroid Build Coastguard Worker 			print_number(new_desc_blk);
251*6a54128fSAndroid Build Coastguard Worker 			has_super++;
252*6a54128fSAndroid Build Coastguard Worker 		}
253*6a54128fSAndroid Build Coastguard Worker 		if (has_super)
254*6a54128fSAndroid Build Coastguard Worker 			fputc('\n', stdout);
255*6a54128fSAndroid Build Coastguard Worker 		fputs(_("  Block bitmap at "), stdout);
256*6a54128fSAndroid Build Coastguard Worker 		print_number(ext2fs_block_bitmap_loc(fs, i));
257*6a54128fSAndroid Build Coastguard Worker 		print_bg_rel_offset(fs, ext2fs_block_bitmap_loc(fs, i), 0,
258*6a54128fSAndroid Build Coastguard Worker 				    first_block, last_block);
259*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_has_feature_metadata_csum(fs->super))
260*6a54128fSAndroid Build Coastguard Worker 			printf(_(", csum 0x%08x"),
261*6a54128fSAndroid Build Coastguard Worker 			       ext2fs_block_bitmap_checksum(fs, i));
262*6a54128fSAndroid Build Coastguard Worker 		if (getenv("DUMPE2FS_IGNORE_80COL"))
263*6a54128fSAndroid Build Coastguard Worker 			fputs(_(","), stdout);
264*6a54128fSAndroid Build Coastguard Worker 		else
265*6a54128fSAndroid Build Coastguard Worker 			fputs(_("\n "), stdout);
266*6a54128fSAndroid Build Coastguard Worker 		fputs(_(" Inode bitmap at "), stdout);
267*6a54128fSAndroid Build Coastguard Worker 		print_number(ext2fs_inode_bitmap_loc(fs, i));
268*6a54128fSAndroid Build Coastguard Worker 		print_bg_rel_offset(fs, ext2fs_inode_bitmap_loc(fs, i), 0,
269*6a54128fSAndroid Build Coastguard Worker 				    first_block, last_block);
270*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_has_feature_metadata_csum(fs->super))
271*6a54128fSAndroid Build Coastguard Worker 			printf(_(", csum 0x%08x"),
272*6a54128fSAndroid Build Coastguard Worker 			       ext2fs_inode_bitmap_checksum(fs, i));
273*6a54128fSAndroid Build Coastguard Worker 		fputs(_("\n  Inode table at "), stdout);
274*6a54128fSAndroid Build Coastguard Worker 		print_range(ext2fs_inode_table_loc(fs, i),
275*6a54128fSAndroid Build Coastguard Worker 			    ext2fs_inode_table_loc(fs, i) +
276*6a54128fSAndroid Build Coastguard Worker 			    inode_blocks_per_group - 1);
277*6a54128fSAndroid Build Coastguard Worker 		print_bg_rel_offset(fs, ext2fs_inode_table_loc(fs, i), 1,
278*6a54128fSAndroid Build Coastguard Worker 				    first_block, last_block);
279*6a54128fSAndroid Build Coastguard Worker 		printf (_("\n  %u free %s, %u free inodes, "
280*6a54128fSAndroid Build Coastguard Worker 			  "%u directories%s"),
281*6a54128fSAndroid Build Coastguard Worker 			ext2fs_bg_free_blocks_count(fs, i), units,
282*6a54128fSAndroid Build Coastguard Worker 			ext2fs_bg_free_inodes_count(fs, i),
283*6a54128fSAndroid Build Coastguard Worker 			ext2fs_bg_used_dirs_count(fs, i),
284*6a54128fSAndroid Build Coastguard Worker 			ext2fs_bg_itable_unused(fs, i) ? "" : "\n");
285*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_bg_itable_unused(fs, i))
286*6a54128fSAndroid Build Coastguard Worker 			printf (_(", %u unused inodes\n"),
287*6a54128fSAndroid Build Coastguard Worker 				ext2fs_bg_itable_unused(fs, i));
288*6a54128fSAndroid Build Coastguard Worker 		if (block_bitmap) {
289*6a54128fSAndroid Build Coastguard Worker 			fputs(_("  Free blocks: "), stdout);
290*6a54128fSAndroid Build Coastguard Worker 			retval = ext2fs_get_block_bitmap_range2(fs->block_map,
291*6a54128fSAndroid Build Coastguard Worker 				 blk_itr, block_nbytes << 3, block_bitmap);
292*6a54128fSAndroid Build Coastguard Worker 			if (retval)
293*6a54128fSAndroid Build Coastguard Worker 				com_err("list_desc", retval,
294*6a54128fSAndroid Build Coastguard Worker 					"while reading block bitmap");
295*6a54128fSAndroid Build Coastguard Worker 			else
296*6a54128fSAndroid Build Coastguard Worker 				print_free(i, block_bitmap,
297*6a54128fSAndroid Build Coastguard Worker 					   fs->super->s_clusters_per_group,
298*6a54128fSAndroid Build Coastguard Worker 					   fs->super->s_first_data_block,
299*6a54128fSAndroid Build Coastguard Worker 					   EXT2FS_CLUSTER_RATIO(fs));
300*6a54128fSAndroid Build Coastguard Worker 			fputc('\n', stdout);
301*6a54128fSAndroid Build Coastguard Worker 			blk_itr += fs->super->s_clusters_per_group;
302*6a54128fSAndroid Build Coastguard Worker 		}
303*6a54128fSAndroid Build Coastguard Worker 		if (inode_bitmap) {
304*6a54128fSAndroid Build Coastguard Worker 			fputs(_("  Free inodes: "), stdout);
305*6a54128fSAndroid Build Coastguard Worker 			retval = ext2fs_get_inode_bitmap_range2(fs->inode_map,
306*6a54128fSAndroid Build Coastguard Worker 				 ino_itr, inode_nbytes << 3, inode_bitmap);
307*6a54128fSAndroid Build Coastguard Worker 			if (retval)
308*6a54128fSAndroid Build Coastguard Worker 				com_err("list_desc", retval,
309*6a54128fSAndroid Build Coastguard Worker 					"while reading inode bitmap");
310*6a54128fSAndroid Build Coastguard Worker 			else
311*6a54128fSAndroid Build Coastguard Worker 				print_free(i, inode_bitmap,
312*6a54128fSAndroid Build Coastguard Worker 					   fs->super->s_inodes_per_group,
313*6a54128fSAndroid Build Coastguard Worker 					   1, 1);
314*6a54128fSAndroid Build Coastguard Worker 			fputc('\n', stdout);
315*6a54128fSAndroid Build Coastguard Worker 			ino_itr += fs->super->s_inodes_per_group;
316*6a54128fSAndroid Build Coastguard Worker 		}
317*6a54128fSAndroid Build Coastguard Worker 	}
318*6a54128fSAndroid Build Coastguard Worker 	if (block_bitmap)
319*6a54128fSAndroid Build Coastguard Worker 		free(block_bitmap);
320*6a54128fSAndroid Build Coastguard Worker 	if (inode_bitmap)
321*6a54128fSAndroid Build Coastguard Worker 		free(inode_bitmap);
322*6a54128fSAndroid Build Coastguard Worker }
323*6a54128fSAndroid Build Coastguard Worker 
list_bad_blocks(ext2_filsys fs,int dump)324*6a54128fSAndroid Build Coastguard Worker static void list_bad_blocks(ext2_filsys fs, int dump)
325*6a54128fSAndroid Build Coastguard Worker {
326*6a54128fSAndroid Build Coastguard Worker 	badblocks_list		bb_list = 0;
327*6a54128fSAndroid Build Coastguard Worker 	badblocks_iterate	bb_iter;
328*6a54128fSAndroid Build Coastguard Worker 	blk_t			blk;
329*6a54128fSAndroid Build Coastguard Worker 	errcode_t		retval;
330*6a54128fSAndroid Build Coastguard Worker 	const char		*header, *fmt;
331*6a54128fSAndroid Build Coastguard Worker 
332*6a54128fSAndroid Build Coastguard Worker 	retval = ext2fs_read_bb_inode(fs, &bb_list);
333*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
334*6a54128fSAndroid Build Coastguard Worker 		com_err("ext2fs_read_bb_inode", retval, 0);
335*6a54128fSAndroid Build Coastguard Worker 		return;
336*6a54128fSAndroid Build Coastguard Worker 	}
337*6a54128fSAndroid Build Coastguard Worker 	retval = ext2fs_badblocks_list_iterate_begin(bb_list, &bb_iter);
338*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
339*6a54128fSAndroid Build Coastguard Worker 		com_err("ext2fs_badblocks_list_iterate_begin", retval,
340*6a54128fSAndroid Build Coastguard Worker 			"%s", _("while printing bad block list"));
341*6a54128fSAndroid Build Coastguard Worker 		ext2fs_badblocks_list_free(bb_list);
342*6a54128fSAndroid Build Coastguard Worker 		return;
343*6a54128fSAndroid Build Coastguard Worker 	}
344*6a54128fSAndroid Build Coastguard Worker 	if (dump) {
345*6a54128fSAndroid Build Coastguard Worker 		header = fmt = "%u\n";
346*6a54128fSAndroid Build Coastguard Worker 	} else {
347*6a54128fSAndroid Build Coastguard Worker 		header =  _("Bad blocks: %u");
348*6a54128fSAndroid Build Coastguard Worker 		fmt = ", %u";
349*6a54128fSAndroid Build Coastguard Worker 	}
350*6a54128fSAndroid Build Coastguard Worker 	while (ext2fs_badblocks_list_iterate(bb_iter, &blk)) {
351*6a54128fSAndroid Build Coastguard Worker 		printf(header ? header : fmt, blk);
352*6a54128fSAndroid Build Coastguard Worker 		header = 0;
353*6a54128fSAndroid Build Coastguard Worker 	}
354*6a54128fSAndroid Build Coastguard Worker 	ext2fs_badblocks_list_iterate_end(bb_iter);
355*6a54128fSAndroid Build Coastguard Worker 	if (!dump)
356*6a54128fSAndroid Build Coastguard Worker 		fputc('\n', stdout);
357*6a54128fSAndroid Build Coastguard Worker 	ext2fs_badblocks_list_free(bb_list);
358*6a54128fSAndroid Build Coastguard Worker }
359*6a54128fSAndroid Build Coastguard Worker 
print_inline_journal_information(ext2_filsys fs)360*6a54128fSAndroid Build Coastguard Worker static void print_inline_journal_information(ext2_filsys fs)
361*6a54128fSAndroid Build Coastguard Worker {
362*6a54128fSAndroid Build Coastguard Worker 	journal_superblock_t	*jsb;
363*6a54128fSAndroid Build Coastguard Worker 	struct ext2_inode	inode;
364*6a54128fSAndroid Build Coastguard Worker 	ext2_file_t		journal_file;
365*6a54128fSAndroid Build Coastguard Worker 	errcode_t		retval;
366*6a54128fSAndroid Build Coastguard Worker 	ext2_ino_t		ino = fs->super->s_journal_inum;
367*6a54128fSAndroid Build Coastguard Worker 	char			buf[1024];
368*6a54128fSAndroid Build Coastguard Worker 	int			flags;
369*6a54128fSAndroid Build Coastguard Worker 
370*6a54128fSAndroid Build Coastguard Worker 	if (fs->flags & EXT2_FLAG_IMAGE_FILE)
371*6a54128fSAndroid Build Coastguard Worker 		return;
372*6a54128fSAndroid Build Coastguard Worker 	retval = ext2fs_read_inode(fs, ino,  &inode);
373*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
374*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval, "%s",
375*6a54128fSAndroid Build Coastguard Worker 			_("while reading journal inode"));
376*6a54128fSAndroid Build Coastguard Worker 		exit(1);
377*6a54128fSAndroid Build Coastguard Worker 	}
378*6a54128fSAndroid Build Coastguard Worker 	retval = ext2fs_file_open2(fs, ino, &inode, 0, &journal_file);
379*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
380*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval, "%s",
381*6a54128fSAndroid Build Coastguard Worker 			_("while opening journal inode"));
382*6a54128fSAndroid Build Coastguard Worker 		exit(1);
383*6a54128fSAndroid Build Coastguard Worker 	}
384*6a54128fSAndroid Build Coastguard Worker 	retval = ext2fs_file_read(journal_file, buf, sizeof(buf), 0);
385*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
386*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval, "%s",
387*6a54128fSAndroid Build Coastguard Worker 			_("while reading journal super block"));
388*6a54128fSAndroid Build Coastguard Worker 		exit(1);
389*6a54128fSAndroid Build Coastguard Worker 	}
390*6a54128fSAndroid Build Coastguard Worker 	ext2fs_file_close(journal_file);
391*6a54128fSAndroid Build Coastguard Worker 	jsb = (journal_superblock_t *) buf;
392*6a54128fSAndroid Build Coastguard Worker 	if (be32_to_cpu(jsb->s_header.h_magic) != JBD2_MAGIC_NUMBER) {
393*6a54128fSAndroid Build Coastguard Worker 		fprintf(stderr, "%s",
394*6a54128fSAndroid Build Coastguard Worker 			_("Journal superblock magic number invalid!\n"));
395*6a54128fSAndroid Build Coastguard Worker 		exit(1);
396*6a54128fSAndroid Build Coastguard Worker 	}
397*6a54128fSAndroid Build Coastguard Worker 	flags = ext2fs_has_feature_fast_commit(fs->super) ?
398*6a54128fSAndroid Build Coastguard Worker 			E2P_LIST_JOURNAL_FLAG_FC : 0;
399*6a54128fSAndroid Build Coastguard Worker 	e2p_list_journal_super(stdout, buf, fs->blocksize, flags);
400*6a54128fSAndroid Build Coastguard Worker }
401*6a54128fSAndroid Build Coastguard Worker 
print_journal_information(ext2_filsys fs)402*6a54128fSAndroid Build Coastguard Worker static void print_journal_information(ext2_filsys fs)
403*6a54128fSAndroid Build Coastguard Worker {
404*6a54128fSAndroid Build Coastguard Worker 	errcode_t	retval;
405*6a54128fSAndroid Build Coastguard Worker 	char		buf[1024];
406*6a54128fSAndroid Build Coastguard Worker 	journal_superblock_t	*jsb;
407*6a54128fSAndroid Build Coastguard Worker 	int		flags;
408*6a54128fSAndroid Build Coastguard Worker 
409*6a54128fSAndroid Build Coastguard Worker 	/* Get the journal superblock */
410*6a54128fSAndroid Build Coastguard Worker 	if ((retval = io_channel_read_blk64(fs->io,
411*6a54128fSAndroid Build Coastguard Worker 					    fs->super->s_first_data_block + 1,
412*6a54128fSAndroid Build Coastguard Worker 					    -1024, buf))) {
413*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval, "%s",
414*6a54128fSAndroid Build Coastguard Worker 			_("while reading journal superblock"));
415*6a54128fSAndroid Build Coastguard Worker 		exit(1);
416*6a54128fSAndroid Build Coastguard Worker 	}
417*6a54128fSAndroid Build Coastguard Worker 	jsb = (journal_superblock_t *) buf;
418*6a54128fSAndroid Build Coastguard Worker 	if ((jsb->s_header.h_magic != (unsigned) ntohl(JBD2_MAGIC_NUMBER)) ||
419*6a54128fSAndroid Build Coastguard Worker 	    (jsb->s_header.h_blocktype !=
420*6a54128fSAndroid Build Coastguard Worker 	     (unsigned) ntohl(JBD2_SUPERBLOCK_V2))) {
421*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, 0, "%s",
422*6a54128fSAndroid Build Coastguard Worker 			_("Couldn't find journal superblock magic numbers"));
423*6a54128fSAndroid Build Coastguard Worker 		exit(1);
424*6a54128fSAndroid Build Coastguard Worker 	}
425*6a54128fSAndroid Build Coastguard Worker 	flags = ext2fs_has_feature_fast_commit(fs->super) ?
426*6a54128fSAndroid Build Coastguard Worker 			E2P_LIST_JOURNAL_FLAG_FC : 0;
427*6a54128fSAndroid Build Coastguard Worker 	e2p_list_journal_super(stdout, buf, fs->blocksize, flags);
428*6a54128fSAndroid Build Coastguard Worker }
429*6a54128fSAndroid Build Coastguard Worker 
check_mmp(ext2_filsys fs)430*6a54128fSAndroid Build Coastguard Worker static int check_mmp(ext2_filsys fs)
431*6a54128fSAndroid Build Coastguard Worker {
432*6a54128fSAndroid Build Coastguard Worker 	int retval;
433*6a54128fSAndroid Build Coastguard Worker 
434*6a54128fSAndroid Build Coastguard Worker 	/* This won't actually start MMP on the filesystem, since fs is opened
435*6a54128fSAndroid Build Coastguard Worker 	 * readonly, but it will do the proper activity checking for us. */
436*6a54128fSAndroid Build Coastguard Worker 	retval = ext2fs_mmp_start(fs);
437*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
438*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval, _("while trying to open %s"),
439*6a54128fSAndroid Build Coastguard Worker 			fs->device_name);
440*6a54128fSAndroid Build Coastguard Worker 		if (retval == EXT2_ET_MMP_FAILED ||
441*6a54128fSAndroid Build Coastguard Worker 		    retval == EXT2_ET_MMP_FSCK_ON ||
442*6a54128fSAndroid Build Coastguard Worker 		    retval == EXT2_ET_MMP_CSUM_INVALID ||
443*6a54128fSAndroid Build Coastguard Worker 		    retval == EXT2_ET_MMP_UNKNOWN_SEQ) {
444*6a54128fSAndroid Build Coastguard Worker 			if (fs->mmp_buf) {
445*6a54128fSAndroid Build Coastguard Worker 				struct mmp_struct *mmp = fs->mmp_buf;
446*6a54128fSAndroid Build Coastguard Worker 				time_t mmp_time = mmp->mmp_time;
447*6a54128fSAndroid Build Coastguard Worker 
448*6a54128fSAndroid Build Coastguard Worker 				fprintf(stderr,
449*6a54128fSAndroid Build Coastguard Worker 					"%s: MMP update by '%.*s%.*s' at %s",
450*6a54128fSAndroid Build Coastguard Worker 					program_name,
451*6a54128fSAndroid Build Coastguard Worker 					EXT2_LEN_STR(mmp->mmp_nodename),
452*6a54128fSAndroid Build Coastguard Worker 					EXT2_LEN_STR(mmp->mmp_bdevname),
453*6a54128fSAndroid Build Coastguard Worker 					ctime(&mmp_time));
454*6a54128fSAndroid Build Coastguard Worker 			}
455*6a54128fSAndroid Build Coastguard Worker 			retval = 1;
456*6a54128fSAndroid Build Coastguard Worker 		} else {
457*6a54128fSAndroid Build Coastguard Worker 			retval = 2;
458*6a54128fSAndroid Build Coastguard Worker 		}
459*6a54128fSAndroid Build Coastguard Worker 	} else {
460*6a54128fSAndroid Build Coastguard Worker 		printf("%s: it is safe to mount '%s', MMP is clean\n",
461*6a54128fSAndroid Build Coastguard Worker 		       program_name, fs->device_name);
462*6a54128fSAndroid Build Coastguard Worker 	}
463*6a54128fSAndroid Build Coastguard Worker 
464*6a54128fSAndroid Build Coastguard Worker 	return retval;
465*6a54128fSAndroid Build Coastguard Worker }
466*6a54128fSAndroid Build Coastguard Worker 
print_mmp_block(ext2_filsys fs)467*6a54128fSAndroid Build Coastguard Worker static void print_mmp_block(ext2_filsys fs)
468*6a54128fSAndroid Build Coastguard Worker {
469*6a54128fSAndroid Build Coastguard Worker 	struct mmp_struct *mmp;
470*6a54128fSAndroid Build Coastguard Worker 	time_t mmp_time;
471*6a54128fSAndroid Build Coastguard Worker 	errcode_t retval;
472*6a54128fSAndroid Build Coastguard Worker 
473*6a54128fSAndroid Build Coastguard Worker 	if (fs->mmp_buf == NULL) {
474*6a54128fSAndroid Build Coastguard Worker 		retval = ext2fs_get_mem(fs->blocksize, &fs->mmp_buf);
475*6a54128fSAndroid Build Coastguard Worker 		if (retval) {
476*6a54128fSAndroid Build Coastguard Worker 			com_err(program_name, retval,
477*6a54128fSAndroid Build Coastguard Worker 				_("failed to alloc MMP buffer\n"));
478*6a54128fSAndroid Build Coastguard Worker 			return;
479*6a54128fSAndroid Build Coastguard Worker 		}
480*6a54128fSAndroid Build Coastguard Worker 	}
481*6a54128fSAndroid Build Coastguard Worker 
482*6a54128fSAndroid Build Coastguard Worker 	retval = ext2fs_mmp_read(fs, fs->super->s_mmp_block, fs->mmp_buf);
483*6a54128fSAndroid Build Coastguard Worker 	/* this is only dumping, not checking status, so OK to skip this */
484*6a54128fSAndroid Build Coastguard Worker 	if (retval == EXT2_ET_OP_NOT_SUPPORTED)
485*6a54128fSAndroid Build Coastguard Worker 		return;
486*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
487*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval,
488*6a54128fSAndroid Build Coastguard Worker 			_("reading MMP block %llu from '%s'\n"),
489*6a54128fSAndroid Build Coastguard Worker 			(unsigned long long) fs->super->s_mmp_block,
490*6a54128fSAndroid Build Coastguard Worker 			fs->device_name);
491*6a54128fSAndroid Build Coastguard Worker 		return;
492*6a54128fSAndroid Build Coastguard Worker 	}
493*6a54128fSAndroid Build Coastguard Worker 
494*6a54128fSAndroid Build Coastguard Worker 	mmp = fs->mmp_buf;
495*6a54128fSAndroid Build Coastguard Worker 	mmp_time = mmp->mmp_time;
496*6a54128fSAndroid Build Coastguard Worker 	printf("MMP_block:\n");
497*6a54128fSAndroid Build Coastguard Worker 	printf("    mmp_magic: 0x%x\n", mmp->mmp_magic);
498*6a54128fSAndroid Build Coastguard Worker 	printf("    mmp_check_interval: %d\n", mmp->mmp_check_interval);
499*6a54128fSAndroid Build Coastguard Worker 	printf("    mmp_sequence: %#08x\n", mmp->mmp_seq);
500*6a54128fSAndroid Build Coastguard Worker 	printf("    mmp_update_date: %s", ctime(&mmp_time));
501*6a54128fSAndroid Build Coastguard Worker 	printf("    mmp_update_time: %llu\n",
502*6a54128fSAndroid Build Coastguard Worker 	       (unsigned long long) mmp->mmp_time);
503*6a54128fSAndroid Build Coastguard Worker 	printf("    mmp_node_name: %.*s\n",
504*6a54128fSAndroid Build Coastguard Worker 	       EXT2_LEN_STR(mmp->mmp_nodename));
505*6a54128fSAndroid Build Coastguard Worker 	printf("    mmp_device_name: %.*s\n",
506*6a54128fSAndroid Build Coastguard Worker 	       EXT2_LEN_STR(mmp->mmp_bdevname));
507*6a54128fSAndroid Build Coastguard Worker }
508*6a54128fSAndroid Build Coastguard Worker 
parse_extended_opts(const char * opts,blk64_t * superblock,int * blocksize)509*6a54128fSAndroid Build Coastguard Worker static void parse_extended_opts(const char *opts, blk64_t *superblock,
510*6a54128fSAndroid Build Coastguard Worker 				int *blocksize)
511*6a54128fSAndroid Build Coastguard Worker {
512*6a54128fSAndroid Build Coastguard Worker 	char	*buf, *token, *next, *p, *arg, *badopt = 0;
513*6a54128fSAndroid Build Coastguard Worker 	int	len;
514*6a54128fSAndroid Build Coastguard Worker 	int	do_usage = 0;
515*6a54128fSAndroid Build Coastguard Worker 
516*6a54128fSAndroid Build Coastguard Worker 	len = strlen(opts);
517*6a54128fSAndroid Build Coastguard Worker 	buf = malloc(len+1);
518*6a54128fSAndroid Build Coastguard Worker 	if (!buf) {
519*6a54128fSAndroid Build Coastguard Worker 		fprintf(stderr, "%s",
520*6a54128fSAndroid Build Coastguard Worker 			_("Couldn't allocate memory to parse options!\n"));
521*6a54128fSAndroid Build Coastguard Worker 		exit(1);
522*6a54128fSAndroid Build Coastguard Worker 	}
523*6a54128fSAndroid Build Coastguard Worker 	strcpy(buf, opts);
524*6a54128fSAndroid Build Coastguard Worker 	for (token = buf; token && *token; token = next) {
525*6a54128fSAndroid Build Coastguard Worker 		p = strchr(token, ',');
526*6a54128fSAndroid Build Coastguard Worker 		next = 0;
527*6a54128fSAndroid Build Coastguard Worker 		if (p) {
528*6a54128fSAndroid Build Coastguard Worker 			*p = 0;
529*6a54128fSAndroid Build Coastguard Worker 			next = p+1;
530*6a54128fSAndroid Build Coastguard Worker 		}
531*6a54128fSAndroid Build Coastguard Worker 		arg = strchr(token, '=');
532*6a54128fSAndroid Build Coastguard Worker 		if (arg) {
533*6a54128fSAndroid Build Coastguard Worker 			*arg = 0;
534*6a54128fSAndroid Build Coastguard Worker 			arg++;
535*6a54128fSAndroid Build Coastguard Worker 		}
536*6a54128fSAndroid Build Coastguard Worker 		if (strcmp(token, "superblock") == 0 ||
537*6a54128fSAndroid Build Coastguard Worker 		    strcmp(token, "sb") == 0) {
538*6a54128fSAndroid Build Coastguard Worker 			if (!arg) {
539*6a54128fSAndroid Build Coastguard Worker 				do_usage++;
540*6a54128fSAndroid Build Coastguard Worker 				badopt = token;
541*6a54128fSAndroid Build Coastguard Worker 				continue;
542*6a54128fSAndroid Build Coastguard Worker 			}
543*6a54128fSAndroid Build Coastguard Worker 			*superblock = strtoul(arg, &p, 0);
544*6a54128fSAndroid Build Coastguard Worker 			if (*p) {
545*6a54128fSAndroid Build Coastguard Worker 				fprintf(stderr,
546*6a54128fSAndroid Build Coastguard Worker 					_("Invalid superblock parameter: %s\n"),
547*6a54128fSAndroid Build Coastguard Worker 					arg);
548*6a54128fSAndroid Build Coastguard Worker 				do_usage++;
549*6a54128fSAndroid Build Coastguard Worker 				continue;
550*6a54128fSAndroid Build Coastguard Worker 			}
551*6a54128fSAndroid Build Coastguard Worker 		} else if (strcmp(token, "blocksize") == 0 ||
552*6a54128fSAndroid Build Coastguard Worker 			   strcmp(token, "bs") == 0) {
553*6a54128fSAndroid Build Coastguard Worker 			if (!arg) {
554*6a54128fSAndroid Build Coastguard Worker 				do_usage++;
555*6a54128fSAndroid Build Coastguard Worker 				badopt = token;
556*6a54128fSAndroid Build Coastguard Worker 				continue;
557*6a54128fSAndroid Build Coastguard Worker 			}
558*6a54128fSAndroid Build Coastguard Worker 			*blocksize = strtoul(arg, &p, 0);
559*6a54128fSAndroid Build Coastguard Worker 			if (*p) {
560*6a54128fSAndroid Build Coastguard Worker 				fprintf(stderr,
561*6a54128fSAndroid Build Coastguard Worker 					_("Invalid blocksize parameter: %s\n"),
562*6a54128fSAndroid Build Coastguard Worker 					arg);
563*6a54128fSAndroid Build Coastguard Worker 				do_usage++;
564*6a54128fSAndroid Build Coastguard Worker 				continue;
565*6a54128fSAndroid Build Coastguard Worker 			}
566*6a54128fSAndroid Build Coastguard Worker 		} else {
567*6a54128fSAndroid Build Coastguard Worker 			do_usage++;
568*6a54128fSAndroid Build Coastguard Worker 			badopt = token;
569*6a54128fSAndroid Build Coastguard Worker 		}
570*6a54128fSAndroid Build Coastguard Worker 	}
571*6a54128fSAndroid Build Coastguard Worker 	if (do_usage) {
572*6a54128fSAndroid Build Coastguard Worker 		fprintf(stderr, _("\nBad extended option(s) specified: %s\n\n"
573*6a54128fSAndroid Build Coastguard Worker 			"Extended options are separated by commas, "
574*6a54128fSAndroid Build Coastguard Worker 			"and may take an argument which\n"
575*6a54128fSAndroid Build Coastguard Worker 			"\tis set off by an equals ('=') sign.\n\n"
576*6a54128fSAndroid Build Coastguard Worker 			"Valid extended options are:\n"
577*6a54128fSAndroid Build Coastguard Worker 			"\tsuperblock=<superblock number>\n"
578*6a54128fSAndroid Build Coastguard Worker 			"\tblocksize=<blocksize>\n"),
579*6a54128fSAndroid Build Coastguard Worker 			badopt ? badopt : "");
580*6a54128fSAndroid Build Coastguard Worker 		free(buf);
581*6a54128fSAndroid Build Coastguard Worker 		exit(1);
582*6a54128fSAndroid Build Coastguard Worker 	}
583*6a54128fSAndroid Build Coastguard Worker 	free(buf);
584*6a54128fSAndroid Build Coastguard Worker }
585*6a54128fSAndroid Build Coastguard Worker 
main(int argc,char ** argv)586*6a54128fSAndroid Build Coastguard Worker int main (int argc, char ** argv)
587*6a54128fSAndroid Build Coastguard Worker {
588*6a54128fSAndroid Build Coastguard Worker 	errcode_t	retval;
589*6a54128fSAndroid Build Coastguard Worker 	errcode_t	retval_csum = 0;
590*6a54128fSAndroid Build Coastguard Worker 	const char	*error_csum = NULL;
591*6a54128fSAndroid Build Coastguard Worker 	ext2_filsys	fs;
592*6a54128fSAndroid Build Coastguard Worker 	int		print_badblocks = 0;
593*6a54128fSAndroid Build Coastguard Worker 	blk64_t		use_superblock = 0;
594*6a54128fSAndroid Build Coastguard Worker 	int		use_blocksize = 0;
595*6a54128fSAndroid Build Coastguard Worker 	int		image_dump = 0;
596*6a54128fSAndroid Build Coastguard Worker 	int		mmp_check = 0;
597*6a54128fSAndroid Build Coastguard Worker 	int		mmp_info = 0;
598*6a54128fSAndroid Build Coastguard Worker 	int		force = 0;
599*6a54128fSAndroid Build Coastguard Worker 	int		flags;
600*6a54128fSAndroid Build Coastguard Worker 	int		header_only = 0;
601*6a54128fSAndroid Build Coastguard Worker 	int		c;
602*6a54128fSAndroid Build Coastguard Worker 	int		grp_only = 0;
603*6a54128fSAndroid Build Coastguard Worker 
604*6a54128fSAndroid Build Coastguard Worker #ifdef ENABLE_NLS
605*6a54128fSAndroid Build Coastguard Worker 	setlocale(LC_MESSAGES, "");
606*6a54128fSAndroid Build Coastguard Worker 	setlocale(LC_CTYPE, "");
607*6a54128fSAndroid Build Coastguard Worker 	bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
608*6a54128fSAndroid Build Coastguard Worker 	textdomain(NLS_CAT_NAME);
609*6a54128fSAndroid Build Coastguard Worker 	set_com_err_gettext(gettext);
610*6a54128fSAndroid Build Coastguard Worker #endif
611*6a54128fSAndroid Build Coastguard Worker 	add_error_table(&et_ext2_error_table);
612*6a54128fSAndroid Build Coastguard Worker 	if (argc && *argv) {
613*6a54128fSAndroid Build Coastguard Worker 		if (strrchr(*argv, '/'))
614*6a54128fSAndroid Build Coastguard Worker 			program_name = strrchr(*argv, '/') + 1;
615*6a54128fSAndroid Build Coastguard Worker 		else
616*6a54128fSAndroid Build Coastguard Worker 			program_name = *argv;
617*6a54128fSAndroid Build Coastguard Worker 
618*6a54128fSAndroid Build Coastguard Worker 		if (strstr(program_name, "mmpstatus") != NULL) {
619*6a54128fSAndroid Build Coastguard Worker 			mmp_check = 1;
620*6a54128fSAndroid Build Coastguard Worker 			header_only = 1;
621*6a54128fSAndroid Build Coastguard Worker 		}
622*6a54128fSAndroid Build Coastguard Worker 	} else
623*6a54128fSAndroid Build Coastguard Worker 		usage();
624*6a54128fSAndroid Build Coastguard Worker 
625*6a54128fSAndroid Build Coastguard Worker 	if (!mmp_check)
626*6a54128fSAndroid Build Coastguard Worker 		fprintf(stderr, "dumpe2fs %s (%s)\n", E2FSPROGS_VERSION,
627*6a54128fSAndroid Build Coastguard Worker 			E2FSPROGS_DATE);
628*6a54128fSAndroid Build Coastguard Worker 
629*6a54128fSAndroid Build Coastguard Worker 	while ((c = getopt(argc, argv, "bfghimxVo:")) != EOF) {
630*6a54128fSAndroid Build Coastguard Worker 		switch (c) {
631*6a54128fSAndroid Build Coastguard Worker 		case 'b':
632*6a54128fSAndroid Build Coastguard Worker 			print_badblocks++;
633*6a54128fSAndroid Build Coastguard Worker 			break;
634*6a54128fSAndroid Build Coastguard Worker 		case 'f':
635*6a54128fSAndroid Build Coastguard Worker 			force++;
636*6a54128fSAndroid Build Coastguard Worker 			break;
637*6a54128fSAndroid Build Coastguard Worker 		case 'g':
638*6a54128fSAndroid Build Coastguard Worker 			grp_only++;
639*6a54128fSAndroid Build Coastguard Worker 			break;
640*6a54128fSAndroid Build Coastguard Worker 		case 'h':
641*6a54128fSAndroid Build Coastguard Worker 			header_only++;
642*6a54128fSAndroid Build Coastguard Worker 			break;
643*6a54128fSAndroid Build Coastguard Worker 		case 'i':
644*6a54128fSAndroid Build Coastguard Worker 			if (mmp_check)
645*6a54128fSAndroid Build Coastguard Worker 				mmp_info++;
646*6a54128fSAndroid Build Coastguard Worker 			else
647*6a54128fSAndroid Build Coastguard Worker 				image_dump++;
648*6a54128fSAndroid Build Coastguard Worker 			break;
649*6a54128fSAndroid Build Coastguard Worker 		case 'm':
650*6a54128fSAndroid Build Coastguard Worker 			mmp_check++;
651*6a54128fSAndroid Build Coastguard Worker 			header_only++;
652*6a54128fSAndroid Build Coastguard Worker 			if (image_dump) {
653*6a54128fSAndroid Build Coastguard Worker 				mmp_info = image_dump;
654*6a54128fSAndroid Build Coastguard Worker 				image_dump = 0;
655*6a54128fSAndroid Build Coastguard Worker 			}
656*6a54128fSAndroid Build Coastguard Worker 			break;
657*6a54128fSAndroid Build Coastguard Worker 		case 'o':
658*6a54128fSAndroid Build Coastguard Worker 			parse_extended_opts(optarg, &use_superblock,
659*6a54128fSAndroid Build Coastguard Worker 					    &use_blocksize);
660*6a54128fSAndroid Build Coastguard Worker 			break;
661*6a54128fSAndroid Build Coastguard Worker 		case 'V':
662*6a54128fSAndroid Build Coastguard Worker 			/* Print version number and exit */
663*6a54128fSAndroid Build Coastguard Worker 			fprintf(stderr, _("\tUsing %s\n"),
664*6a54128fSAndroid Build Coastguard Worker 				error_message(EXT2_ET_BASE));
665*6a54128fSAndroid Build Coastguard Worker 			exit(0);
666*6a54128fSAndroid Build Coastguard Worker 		case 'x':
667*6a54128fSAndroid Build Coastguard Worker 			hex_format++;
668*6a54128fSAndroid Build Coastguard Worker 			break;
669*6a54128fSAndroid Build Coastguard Worker 		default:
670*6a54128fSAndroid Build Coastguard Worker 			usage();
671*6a54128fSAndroid Build Coastguard Worker 		}
672*6a54128fSAndroid Build Coastguard Worker 	}
673*6a54128fSAndroid Build Coastguard Worker 	if (optind != argc - 1)
674*6a54128fSAndroid Build Coastguard Worker 		usage();
675*6a54128fSAndroid Build Coastguard Worker 
676*6a54128fSAndroid Build Coastguard Worker 	device_name = argv[optind++];
677*6a54128fSAndroid Build Coastguard Worker 	flags = EXT2_FLAG_JOURNAL_DEV_OK | EXT2_FLAG_SOFTSUPP_FEATURES |
678*6a54128fSAndroid Build Coastguard Worker 		EXT2_FLAG_64BITS | EXT2_FLAG_THREADS;
679*6a54128fSAndroid Build Coastguard Worker 	if (force)
680*6a54128fSAndroid Build Coastguard Worker 		flags |= EXT2_FLAG_FORCE;
681*6a54128fSAndroid Build Coastguard Worker 	if (image_dump)
682*6a54128fSAndroid Build Coastguard Worker 		flags |= EXT2_FLAG_IMAGE_FILE;
683*6a54128fSAndroid Build Coastguard Worker 	if (header_only)
684*6a54128fSAndroid Build Coastguard Worker 		flags |= EXT2_FLAG_SUPER_ONLY;
685*6a54128fSAndroid Build Coastguard Worker try_open_again:
686*6a54128fSAndroid Build Coastguard Worker 	if (use_superblock && !use_blocksize) {
687*6a54128fSAndroid Build Coastguard Worker 		for (use_blocksize = EXT2_MIN_BLOCK_SIZE;
688*6a54128fSAndroid Build Coastguard Worker 		     use_blocksize <= EXT2_MAX_BLOCK_SIZE;
689*6a54128fSAndroid Build Coastguard Worker 		     use_blocksize *= 2) {
690*6a54128fSAndroid Build Coastguard Worker 			retval = ext2fs_open (device_name, flags,
691*6a54128fSAndroid Build Coastguard Worker 					      use_superblock,
692*6a54128fSAndroid Build Coastguard Worker 					      use_blocksize, unix_io_manager,
693*6a54128fSAndroid Build Coastguard Worker 					      &fs);
694*6a54128fSAndroid Build Coastguard Worker 			if (!retval)
695*6a54128fSAndroid Build Coastguard Worker 				break;
696*6a54128fSAndroid Build Coastguard Worker 		}
697*6a54128fSAndroid Build Coastguard Worker 	} else {
698*6a54128fSAndroid Build Coastguard Worker 		retval = ext2fs_open(device_name, flags, use_superblock,
699*6a54128fSAndroid Build Coastguard Worker 				     use_blocksize, unix_io_manager, &fs);
700*6a54128fSAndroid Build Coastguard Worker 	}
701*6a54128fSAndroid Build Coastguard Worker 	flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
702*6a54128fSAndroid Build Coastguard Worker 	if (retval && !retval_csum) {
703*6a54128fSAndroid Build Coastguard Worker 		retval_csum = retval;
704*6a54128fSAndroid Build Coastguard Worker 		error_csum = _("while trying to open %s");
705*6a54128fSAndroid Build Coastguard Worker 		goto try_open_again;
706*6a54128fSAndroid Build Coastguard Worker 	}
707*6a54128fSAndroid Build Coastguard Worker 	if (retval) {
708*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval, _("while trying to open %s"),
709*6a54128fSAndroid Build Coastguard Worker 			device_name);
710*6a54128fSAndroid Build Coastguard Worker 		printf("%s", _("Couldn't find valid filesystem superblock.\n"));
711*6a54128fSAndroid Build Coastguard Worker 		if (retval == EXT2_ET_BAD_MAGIC)
712*6a54128fSAndroid Build Coastguard Worker 			check_plausibility(device_name, CHECK_FS_EXIST, NULL);
713*6a54128fSAndroid Build Coastguard Worker 		goto out;
714*6a54128fSAndroid Build Coastguard Worker 	}
715*6a54128fSAndroid Build Coastguard Worker 	fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
716*6a54128fSAndroid Build Coastguard Worker 	if (ext2fs_has_feature_64bit(fs->super))
717*6a54128fSAndroid Build Coastguard Worker 		blocks64 = 1;
718*6a54128fSAndroid Build Coastguard Worker 	if (mmp_check) {
719*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_has_feature_mmp(fs->super) &&
720*6a54128fSAndroid Build Coastguard Worker 		    fs->super->s_mmp_block != 0) {
721*6a54128fSAndroid Build Coastguard Worker 			if (mmp_info) {
722*6a54128fSAndroid Build Coastguard Worker 				print_mmp_block(fs);
723*6a54128fSAndroid Build Coastguard Worker 				printf("    mmp_block_number: ");
724*6a54128fSAndroid Build Coastguard Worker 				print_number(fs->super->s_mmp_block);
725*6a54128fSAndroid Build Coastguard Worker 				printf("\n");
726*6a54128fSAndroid Build Coastguard Worker 			} else {
727*6a54128fSAndroid Build Coastguard Worker 				retval = check_mmp(fs);
728*6a54128fSAndroid Build Coastguard Worker 			}
729*6a54128fSAndroid Build Coastguard Worker 			if (!retval && retval_csum)
730*6a54128fSAndroid Build Coastguard Worker 				retval = 2;
731*6a54128fSAndroid Build Coastguard Worker 		} else {
732*6a54128fSAndroid Build Coastguard Worker 			fprintf(stderr, _("%s: MMP feature not enabled.\n"),
733*6a54128fSAndroid Build Coastguard Worker 				program_name);
734*6a54128fSAndroid Build Coastguard Worker 			retval = 2;
735*6a54128fSAndroid Build Coastguard Worker 		}
736*6a54128fSAndroid Build Coastguard Worker 	} else if (print_badblocks) {
737*6a54128fSAndroid Build Coastguard Worker 		list_bad_blocks(fs, 1);
738*6a54128fSAndroid Build Coastguard Worker 	} else {
739*6a54128fSAndroid Build Coastguard Worker 		if (grp_only)
740*6a54128fSAndroid Build Coastguard Worker 			goto just_descriptors;
741*6a54128fSAndroid Build Coastguard Worker 		list_super(fs->super);
742*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_has_feature_journal_dev(fs->super)) {
743*6a54128fSAndroid Build Coastguard Worker 			print_journal_information(fs);
744*6a54128fSAndroid Build Coastguard Worker 
745*6a54128fSAndroid Build Coastguard Worker 			goto out_close;
746*6a54128fSAndroid Build Coastguard Worker 		}
747*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_has_feature_journal(fs->super) &&
748*6a54128fSAndroid Build Coastguard Worker 		    (fs->super->s_journal_inum != 0))
749*6a54128fSAndroid Build Coastguard Worker 			print_inline_journal_information(fs);
750*6a54128fSAndroid Build Coastguard Worker 		if (ext2fs_has_feature_mmp(fs->super) &&
751*6a54128fSAndroid Build Coastguard Worker 		    fs->super->s_mmp_block != 0)
752*6a54128fSAndroid Build Coastguard Worker 			print_mmp_block(fs);
753*6a54128fSAndroid Build Coastguard Worker 		list_bad_blocks(fs, 0);
754*6a54128fSAndroid Build Coastguard Worker 		if (header_only)
755*6a54128fSAndroid Build Coastguard Worker 			goto out_close;
756*6a54128fSAndroid Build Coastguard Worker 
757*6a54128fSAndroid Build Coastguard Worker 		fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
758*6a54128fSAndroid Build Coastguard Worker try_bitmaps_again:
759*6a54128fSAndroid Build Coastguard Worker 		retval = ext2fs_read_bitmaps(fs);
760*6a54128fSAndroid Build Coastguard Worker 		if (retval && !retval_csum) {
761*6a54128fSAndroid Build Coastguard Worker 			fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
762*6a54128fSAndroid Build Coastguard Worker 			retval_csum = retval;
763*6a54128fSAndroid Build Coastguard Worker 			error_csum = _("while trying to read '%s' bitmaps\n");
764*6a54128fSAndroid Build Coastguard Worker 			goto try_bitmaps_again;
765*6a54128fSAndroid Build Coastguard Worker 		}
766*6a54128fSAndroid Build Coastguard Worker just_descriptors:
767*6a54128fSAndroid Build Coastguard Worker 		list_desc(fs, grp_only);
768*6a54128fSAndroid Build Coastguard Worker 	}
769*6a54128fSAndroid Build Coastguard Worker out_close:
770*6a54128fSAndroid Build Coastguard Worker 	if (retval_csum) {
771*6a54128fSAndroid Build Coastguard Worker 		com_err(program_name, retval_csum, error_csum, device_name);
772*6a54128fSAndroid Build Coastguard Worker 		printf("%s", _("*** Run e2fsck now!\n\n"));
773*6a54128fSAndroid Build Coastguard Worker 		if (!retval)
774*6a54128fSAndroid Build Coastguard Worker 			retval = retval_csum;
775*6a54128fSAndroid Build Coastguard Worker 	}
776*6a54128fSAndroid Build Coastguard Worker 	ext2fs_close_free(&fs);
777*6a54128fSAndroid Build Coastguard Worker 	remove_error_table(&et_ext2_error_table);
778*6a54128fSAndroid Build Coastguard Worker out:
779*6a54128fSAndroid Build Coastguard Worker 	return retval;
780*6a54128fSAndroid Build Coastguard Worker }
781