2 * debugfs.c --- a program which allows you to attach an ext2fs
3 * filesystem and play with it.
5 * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
6 * under the terms of the GNU Public License.
8 * Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
27 #include <sys/types.h>
30 #include "et/com_err.h"
33 #include "uuid/uuid.h"
36 #include <ext2fs/ext2_ext_attr.h>
38 #include "../version.h"
41 extern ss_request_table debug_cmds;
42 ss_request_table *extra_cmds;
43 const char *debug_prog_name;
45 ext2_filsys current_fs = NULL;
48 static void open_filesystem(char *device, int open_flags, blk64_t superblock,
49 blk64_t blocksize, int catastrophic,
53 io_channel data_io = 0;
55 if (superblock != 0 && blocksize == 0) {
56 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
62 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
64 "The -d option is only valid when reading an e2image file");
68 retval = unix_io_manager->open(data_filename, 0, &data_io);
70 com_err(data_filename, 0, "while opening data source");
76 if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
78 "opening read-only because of catastrophic mode");
79 open_flags &= ~EXT2_FLAG_RW;
82 retval = ext2fs_open(device, open_flags, superblock, blocksize,
83 unix_io_manager, ¤t_fs);
85 com_err(device, retval, "while opening filesystem");
91 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
93 retval = ext2fs_read_inode_bitmap(current_fs);
95 com_err(device, retval, "while reading inode bitmap");
98 retval = ext2fs_read_block_bitmap(current_fs);
100 com_err(device, retval, "while reading block bitmap");
106 retval = ext2fs_set_data_io(current_fs, data_io);
108 com_err(device, retval,
109 "while setting data source");
114 root = cwd = EXT2_ROOT_INO;
118 retval = ext2fs_close(current_fs);
120 com_err(device, retval, "while trying to close filesystem");
124 void do_open_filesys(int argc, char **argv)
127 int catastrophic = 0;
128 blk64_t superblock = 0;
129 blk64_t blocksize = 0;
130 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
131 char *data_filename = 0;
134 while ((c = getopt (argc, argv, "iwfecb:s:d:D")) != EOF) {
137 open_flags |= EXT2_FLAG_IMAGE_FILE;
140 open_flags |= EXT2_FLAG_RW;
143 open_flags |= EXT2_FLAG_FORCE;
146 open_flags |= EXT2_FLAG_EXCLUSIVE;
152 data_filename = optarg;
155 open_flags |= EXT2_FLAG_DIRECT_IO;
158 blocksize = parse_ulong(optarg, argv[0],
164 superblock = parse_ulong(optarg, argv[0],
165 "superblock number", &err);
173 if (optind != argc-1) {
176 if (check_fs_not_open(argv[0]))
178 open_filesystem(argv[optind], open_flags,
179 superblock, blocksize, catastrophic,
184 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
185 "[-c] [-w] <device>\n", argv[0]);
188 void do_lcd(int argc, char **argv)
191 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
195 if (chdir(argv[1]) == -1) {
196 com_err(argv[0], errno,
197 "while trying to change native directory to %s",
203 static void close_filesystem(NOARGS)
207 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
208 retval = ext2fs_write_inode_bitmap(current_fs);
210 com_err("ext2fs_write_inode_bitmap", retval, 0);
212 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
213 retval = ext2fs_write_block_bitmap(current_fs);
215 com_err("ext2fs_write_block_bitmap", retval, 0);
217 retval = ext2fs_close(current_fs);
219 com_err("ext2fs_close", retval, 0);
224 void do_close_filesys(int argc, char **argv)
228 if (check_fs_open(argv[0]))
232 while ((c = getopt (argc, argv, "a")) != EOF) {
235 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
244 com_err(0, 0, "Usage: close_filesys [-a]");
251 void do_init_filesys(int argc, char **argv)
253 struct ext2_super_block param;
257 if (common_args_process(argc, argv, 3, 3, "initialize",
258 "<device> <blocksize>", CHECK_FS_NOTOPEN))
261 memset(¶m, 0, sizeof(struct ext2_super_block));
262 ext2fs_blocks_count_set(¶m, parse_ulong(argv[2], argv[0],
263 "blocks count", &err));
266 retval = ext2fs_initialize(argv[1], 0, ¶m,
267 unix_io_manager, ¤t_fs);
269 com_err(argv[1], retval, "while initializing filesystem");
273 root = cwd = EXT2_ROOT_INO;
277 static void print_features(struct ext2_super_block * s, FILE *f)
280 __u32 *mask = &s->s_feature_compat, m;
282 fputs("Filesystem features:", f);
283 for (i=0; i <3; i++,mask++) {
284 for (j=0,m=1; j < 32; j++, m<<=1) {
286 fprintf(f, " %s", e2p_feature2string(i, m));
296 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
297 const char *str, int *first, FILE *f)
299 if (ext2fs_bg_flags_test(fs, group, mask)) {
309 void do_show_super_stats(int argc, char *argv[])
311 const char *units ="block";
314 int c, header_only = 0;
315 int numdirs = 0, first, gdt_csum;
318 while ((c = getopt (argc, argv, "h")) != EOF) {
327 if (optind != argc) {
330 if (check_fs_open(argv[0]))
334 if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
335 EXT4_FEATURE_RO_COMPAT_BIGALLOC))
338 list_super2(current_fs->super, out);
339 for (i=0; i < current_fs->group_desc_count; i++)
340 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
341 fprintf(out, "Directories: %d\n", numdirs);
348 gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
349 EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
350 for (i = 0; i < current_fs->group_desc_count; i++) {
351 fprintf(out, " Group %2d: block bitmap at %llu, "
352 "inode bitmap at %llu, "
353 "inode table at %llu\n"
357 i, ext2fs_block_bitmap_loc(current_fs, i),
358 ext2fs_inode_bitmap_loc(current_fs, i),
359 ext2fs_inode_table_loc(current_fs, i),
360 ext2fs_bg_free_blocks_count(current_fs, i), units,
361 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
363 ext2fs_bg_free_inodes_count(current_fs, i),
364 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
366 ext2fs_bg_used_dirs_count(current_fs, i),
367 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
368 : "directory", gdt_csum ? ", " : "\n");
370 fprintf(out, "%u unused %s\n",
371 ext2fs_bg_itable_unused(current_fs, i),
372 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
375 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
377 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
380 fprintf(out, "%sChecksum 0x%04x",
381 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
390 fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
393 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
394 char **argv EXT2FS_ATTR((unused)))
396 if (check_fs_open(argv[0]))
398 if (check_fs_read_write(argv[0]))
401 if (argv[1] && !strcmp(argv[1], "-clean"))
402 current_fs->super->s_state |= EXT2_VALID_FS;
404 current_fs->super->s_state &= ~EXT2_VALID_FS;
405 ext2fs_mark_super_dirty(current_fs);
408 struct list_blocks_struct {
411 blk64_t first_block, last_block;
412 e2_blkcnt_t first_bcnt, last_bcnt;
416 static void finish_range(struct list_blocks_struct *lb)
418 if (lb->first_block == 0)
423 fprintf(lb->f, ", ");
424 if (lb->first_block == lb->last_block)
425 fprintf(lb->f, "(%lld):%llu",
426 (long long)lb->first_bcnt, lb->first_block);
428 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
429 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
430 lb->first_block, lb->last_block);
434 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
435 blk64_t *blocknr, e2_blkcnt_t blockcnt,
436 blk64_t ref_block EXT2FS_ATTR((unused)),
437 int ref_offset EXT2FS_ATTR((unused)),
440 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
445 * See if we can add on to the existing range (if it exists)
447 if (lb->first_block &&
448 (lb->last_block+1 == *blocknr) &&
449 (lb->last_bcnt+1 == blockcnt)) {
450 lb->last_block = *blocknr;
451 lb->last_bcnt = blockcnt;
458 lb->first_block = lb->last_block = *blocknr;
459 lb->first_bcnt = lb->last_bcnt = blockcnt;
463 * Not a normal block. Always force a new range.
469 fprintf(lb->f, ", ");
471 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
472 else if (blockcnt == -2)
473 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
474 else if (blockcnt == -3)
475 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
479 static void dump_xattr_string(FILE *out, const char *str, int len)
484 /* check: is string "printable enough?" */
485 for (i = 0; i < len; i++)
489 if (printable <= len*7/8)
492 for (i = 0; i < len; i++)
494 fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
495 (unsigned char)str[i]);
497 fprintf(out, "%02x ", (unsigned char)str[i]);
500 static void internal_dump_inode_extra(FILE *out,
501 const char *prefix EXT2FS_ATTR((unused)),
502 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
503 struct ext2_inode_large *inode)
505 struct ext2_ext_attr_entry *entry;
508 unsigned int storage_size;
510 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
511 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
512 EXT2_GOOD_OLD_INODE_SIZE) {
513 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
514 inode->i_extra_isize);
517 storage_size = EXT2_INODE_SIZE(current_fs->super) -
518 EXT2_GOOD_OLD_INODE_SIZE -
519 inode->i_extra_isize;
520 magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
521 inode->i_extra_isize);
522 if (*magic == EXT2_EXT_ATTR_MAGIC) {
523 fprintf(out, "Extended attributes stored in inode body: \n");
524 end = (char *) inode + EXT2_INODE_SIZE(current_fs->super);
525 start = (char *) magic + sizeof(__u32);
526 entry = (struct ext2_ext_attr_entry *) start;
527 while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
528 struct ext2_ext_attr_entry *next =
529 EXT2_EXT_ATTR_NEXT(entry);
530 if (entry->e_value_size > storage_size ||
531 (char *) next >= end) {
532 fprintf(out, "invalid EA entry in inode\n");
536 dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry),
538 fprintf(out, " = \"");
539 dump_xattr_string(out, start + entry->e_value_offs,
540 entry->e_value_size);
541 fprintf(out, "\" (%u)\n", entry->e_value_size);
547 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
549 struct list_blocks_struct lb;
551 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
556 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
557 list_blocks_proc, (void *)&lb);
560 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
564 static int int_log10(unsigned long long arg)
576 #define DUMP_LEAF_EXTENTS 0x01
577 #define DUMP_NODE_EXTENTS 0x02
578 #define DUMP_EXTENT_TABLE 0x04
580 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
581 int flags, int logical_width, int physical_width)
583 ext2_extent_handle_t handle;
584 struct ext2fs_extent extent;
585 struct ext2_extent_info info;
586 int op = EXT2_EXTENT_ROOT;
587 unsigned int printed = 0;
590 errcode = ext2fs_extent_open(current_fs, ino, &handle);
594 if (flags & DUMP_EXTENT_TABLE)
595 fprintf(f, "Level Entries %*s %*s Length Flags\n",
596 (logical_width*2)+3, "Logical",
597 (physical_width*2)+3, "Physical");
599 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
602 errcode = ext2fs_extent_get(handle, op, &extent);
607 op = EXT2_EXTENT_NEXT;
609 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
612 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
613 if ((flags & DUMP_LEAF_EXTENTS) == 0)
616 if ((flags & DUMP_NODE_EXTENTS) == 0)
620 errcode = ext2fs_extent_get_info(handle, &info);
624 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
625 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
628 if (flags & DUMP_EXTENT_TABLE) {
629 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
631 info.curr_level, info.max_depth,
632 info.curr_entry, info.num_entries,
636 extent.e_lblk + (extent.e_len - 1),
639 physical_width+3, "", extent.e_len);
643 fprintf(f, "%s(ETB%d):%lld",
644 printed ? ", " : "", info.curr_level,
650 if (flags & DUMP_EXTENT_TABLE) {
651 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
652 "%*llu - %*llu %6u %s\n",
653 info.curr_level, info.max_depth,
654 info.curr_entry, info.num_entries,
658 extent.e_lblk + (extent.e_len - 1),
662 extent.e_pblk + (extent.e_len - 1),
664 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
669 if (extent.e_len == 0)
671 else if (extent.e_len == 1)
676 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
681 "%s(%lld-%lld%s):%lld-%lld",
684 extent.e_lblk + (extent.e_len - 1),
685 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
688 extent.e_pblk + (extent.e_len - 1));
695 void internal_dump_inode(FILE *out, const char *prefix,
696 ext2_ino_t inode_num, struct ext2_inode *inode,
701 int os = current_fs->super->s_creator_os;
702 struct ext2_inode_large *large_inode;
703 int is_large_inode = 0;
705 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
707 large_inode = (struct ext2_inode_large *) inode;
709 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
710 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
711 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
712 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
713 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
714 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
715 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
716 else i_type = "bad type";
717 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
718 fprintf(out, "%sMode: %04o Flags: 0x%x\n",
719 prefix, inode->i_mode & 0777, inode->i_flags);
720 if (is_large_inode && large_inode->i_extra_isize >= 24) {
721 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
722 prefix, inode->i_generation, large_inode->i_version_hi,
723 inode->osd1.linux1.l_i_version);
725 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
726 inode->i_generation, inode->osd1.linux1.l_i_version);
728 fprintf(out, "%sUser: %5d Group: %5d Size: ",
729 prefix, inode_uid(*inode), inode_gid(*inode));
730 if (LINUX_S_ISREG(inode->i_mode))
731 fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
733 fprintf(out, "%d\n", inode->i_size);
734 if (os == EXT2_OS_HURD)
736 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
738 inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
739 inode->osd1.hurd1.h_i_translator);
741 fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
743 inode->i_file_acl | ((long long)
744 (inode->osd2.linux2.l_i_file_acl_high) << 32),
745 LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
746 if (os == EXT2_OS_LINUX)
747 fprintf(out, "%sLinks: %d Blockcount: %llu\n",
748 prefix, inode->i_links_count,
749 (((unsigned long long)
750 inode->osd2.linux2.l_i_blocks_hi << 32)) +
753 fprintf(out, "%sLinks: %d Blockcount: %u\n",
754 prefix, inode->i_links_count, inode->i_blocks);
757 frag = inode->osd2.hurd2.h_i_frag;
758 fsize = inode->osd2.hurd2.h_i_fsize;
763 fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
764 prefix, inode->i_faddr, frag, fsize);
765 if (is_large_inode && large_inode->i_extra_isize >= 24) {
766 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
767 inode->i_ctime, large_inode->i_ctime_extra,
768 time_to_string(inode->i_ctime));
769 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
770 inode->i_atime, large_inode->i_atime_extra,
771 time_to_string(inode->i_atime));
772 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
773 inode->i_mtime, large_inode->i_mtime_extra,
774 time_to_string(inode->i_mtime));
775 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
776 large_inode->i_crtime, large_inode->i_crtime_extra,
777 time_to_string(large_inode->i_crtime));
779 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
780 time_to_string(inode->i_ctime));
781 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
782 time_to_string(inode->i_atime));
783 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
784 time_to_string(inode->i_mtime));
787 fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
788 time_to_string(inode->i_dtime));
789 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
790 internal_dump_inode_extra(out, prefix, inode_num,
791 (struct ext2_inode_large *) inode);
792 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
793 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
794 (int) inode->i_size, (char *)inode->i_block);
795 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
799 if (inode->i_block[0]) {
800 major = (inode->i_block[0] >> 8) & 255;
801 minor = inode->i_block[0] & 255;
804 major = (inode->i_block[1] & 0xfff00) >> 8;
805 minor = ((inode->i_block[1] & 0xff) |
806 ((inode->i_block[1] >> 12) & 0xfff00));
807 devnote = "(New-style) ";
809 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
810 devnote, major, minor, major, minor);
811 } else if (do_dump_blocks) {
812 if (inode->i_flags & EXT4_EXTENTS_FL)
813 dump_extents(out, prefix, inode_num,
814 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
816 dump_blocks(out, prefix, inode_num);
820 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
825 internal_dump_inode(out, "", inode_num, inode, 1);
829 void do_stat(int argc, char *argv[])
832 struct ext2_inode * inode_buf;
834 if (check_fs_open(argv[0]))
837 inode_buf = (struct ext2_inode *)
838 malloc(EXT2_INODE_SIZE(current_fs->super));
840 fprintf(stderr, "do_stat: can't allocate buffer\n");
844 if (common_inode_args_process(argc, argv, &inode, 0)) {
849 if (debugfs_read_inode_full(inode, inode_buf, argv[0],
850 EXT2_INODE_SIZE(current_fs->super))) {
855 dump_inode(inode, inode_buf);
860 void do_dump_extents(int argc, char **argv)
862 struct ext2_inode inode;
870 while ((c = getopt(argc, argv, "nl")) != EOF) {
873 flags |= DUMP_NODE_EXTENTS;
876 flags |= DUMP_LEAF_EXTENTS;
881 if (argc != optind + 1) {
882 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
887 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
888 flags |= DUMP_EXTENT_TABLE;
890 if (check_fs_open(argv[0]))
893 ino = string_to_inode(argv[optind]);
897 if (debugfs_read_inode(ino, &inode, argv[0]))
900 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
901 fprintf(stderr, "%s: does not uses extent block maps\n",
906 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
907 current_fs->blocksize) + 1;
908 if (logical_width < 5)
910 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
911 if (physical_width < 5)
915 dump_extents(out, "", ino, flags, logical_width, physical_width);
920 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
922 e2_blkcnt_t blockcnt,
923 blk64_t ref_block EXT2FS_ATTR((unused)),
924 int ref_offset EXT2FS_ATTR((unused)),
925 void *private EXT2FS_ATTR((unused)))
927 printf("%llu ", *blocknr);
931 void do_blocks(int argc, char *argv[])
935 if (check_fs_open(argv[0]))
938 if (common_inode_args_process(argc, argv, &inode, 0)) {
942 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
943 print_blocks_proc, NULL);
948 void do_chroot(int argc, char *argv[])
953 if (common_inode_args_process(argc, argv, &inode, 0))
956 retval = ext2fs_check_directory(current_fs, inode);
958 com_err(argv[1], retval, 0);
964 void do_clri(int argc, char *argv[])
967 struct ext2_inode inode_buf;
969 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
972 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
974 memset(&inode_buf, 0, sizeof(inode_buf));
975 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
979 void do_freei(int argc, char *argv[])
983 if (common_inode_args_process(argc, argv, &inode,
984 CHECK_FS_RW | CHECK_FS_BITMAPS))
987 if (!ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
988 com_err(argv[0], 0, "Warning: inode already clear");
989 ext2fs_unmark_inode_bitmap2(current_fs->inode_map,inode);
990 ext2fs_mark_ib_dirty(current_fs);
993 void do_seti(int argc, char *argv[])
997 if (common_inode_args_process(argc, argv, &inode,
998 CHECK_FS_RW | CHECK_FS_BITMAPS))
1001 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1002 com_err(argv[0], 0, "Warning: inode already set");
1003 ext2fs_mark_inode_bitmap2(current_fs->inode_map,inode);
1004 ext2fs_mark_ib_dirty(current_fs);
1007 void do_testi(int argc, char *argv[])
1011 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1014 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1015 printf("Inode %u is marked in use\n", inode);
1017 printf("Inode %u is not in use\n", inode);
1020 void do_freeb(int argc, char *argv[])
1025 if (common_block_args_process(argc, argv, &block, &count))
1027 if (check_fs_read_write(argv[0]))
1029 while (count-- > 0) {
1030 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1031 com_err(argv[0], 0, "Warning: block %llu already clear",
1033 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1036 ext2fs_mark_bb_dirty(current_fs);
1039 void do_setb(int argc, char *argv[])
1044 if (common_block_args_process(argc, argv, &block, &count))
1046 if (check_fs_read_write(argv[0]))
1048 while (count-- > 0) {
1049 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1050 com_err(argv[0], 0, "Warning: block %llu already set",
1052 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1055 ext2fs_mark_bb_dirty(current_fs);
1058 void do_testb(int argc, char *argv[])
1063 if (common_block_args_process(argc, argv, &block, &count))
1065 while (count-- > 0) {
1066 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1067 printf("Block %llu marked in use\n", block);
1069 printf("Block %llu not in use\n", block);
1074 static void modify_u8(char *com, const char *prompt,
1075 const char *format, __u8 *val)
1081 sprintf(buf, format, *val);
1082 printf("%30s [%s] ", prompt, buf);
1083 if (!fgets(buf, sizeof(buf), stdin))
1085 if (buf[strlen (buf) - 1] == '\n')
1086 buf[strlen (buf) - 1] = '\0';
1089 v = strtoul(buf, &tmp, 0);
1091 com_err(com, 0, "Bad value - %s", buf);
1096 static void modify_u16(char *com, const char *prompt,
1097 const char *format, __u16 *val)
1103 sprintf(buf, format, *val);
1104 printf("%30s [%s] ", prompt, buf);
1105 if (!fgets(buf, sizeof(buf), stdin))
1107 if (buf[strlen (buf) - 1] == '\n')
1108 buf[strlen (buf) - 1] = '\0';
1111 v = strtoul(buf, &tmp, 0);
1113 com_err(com, 0, "Bad value - %s", buf);
1118 static void modify_u32(char *com, const char *prompt,
1119 const char *format, __u32 *val)
1125 sprintf(buf, format, *val);
1126 printf("%30s [%s] ", prompt, buf);
1127 if (!fgets(buf, sizeof(buf), stdin))
1129 if (buf[strlen (buf) - 1] == '\n')
1130 buf[strlen (buf) - 1] = '\0';
1133 v = strtoul(buf, &tmp, 0);
1135 com_err(com, 0, "Bad value - %s", buf);
1141 void do_modify_inode(int argc, char *argv[])
1143 struct ext2_inode inode;
1144 ext2_ino_t inode_num;
1146 unsigned char *frag, *fsize;
1149 const char *hex_format = "0x%x";
1150 const char *octal_format = "0%o";
1151 const char *decimal_format = "%d";
1152 const char *unsignedlong_format = "%lu";
1154 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1157 os = current_fs->super->s_creator_os;
1159 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1162 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1163 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1164 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1165 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1166 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1167 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1168 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1169 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1170 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1171 if (os == EXT2_OS_LINUX)
1172 modify_u16(argv[0], "Block count high", unsignedlong_format,
1173 &inode.osd2.linux2.l_i_blocks_hi);
1174 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1175 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1176 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1178 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1180 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1181 if (LINUX_S_ISDIR(inode.i_mode))
1182 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1184 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1186 if (os == EXT2_OS_HURD)
1187 modify_u32(argv[0], "Translator Block",
1188 decimal_format, &inode.osd1.hurd1.h_i_translator);
1190 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1193 frag = &inode.osd2.hurd2.h_i_frag;
1194 fsize = &inode.osd2.hurd2.h_i_fsize;
1200 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1202 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1204 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1205 sprintf(buf, "Direct Block #%d", i);
1206 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1208 modify_u32(argv[0], "Indirect Block", decimal_format,
1209 &inode.i_block[EXT2_IND_BLOCK]);
1210 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1211 &inode.i_block[EXT2_DIND_BLOCK]);
1212 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1213 &inode.i_block[EXT2_TIND_BLOCK]);
1214 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1218 void do_change_working_dir(int argc, char *argv[])
1223 if (common_inode_args_process(argc, argv, &inode, 0))
1226 retval = ext2fs_check_directory(current_fs, inode);
1228 com_err(argv[1], retval, 0);
1235 void do_print_working_directory(int argc, char *argv[])
1238 char *pathname = NULL;
1240 if (common_args_process(argc, argv, 1, 1,
1241 "print_working_directory", "", 0))
1244 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1246 com_err(argv[0], retval,
1247 "while trying to get pathname of cwd");
1249 printf("[pwd] INODE: %6u PATH: %s\n",
1250 cwd, pathname ? pathname : "NULL");
1255 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1257 com_err(argv[0], retval,
1258 "while trying to get pathname of root");
1260 printf("[root] INODE: %6u PATH: %s\n",
1261 root, pathname ? pathname : "NULL");
1270 * Given a mode, return the ext2 file type
1272 static int ext2_file_type(unsigned int mode)
1274 if (LINUX_S_ISREG(mode))
1275 return EXT2_FT_REG_FILE;
1277 if (LINUX_S_ISDIR(mode))
1280 if (LINUX_S_ISCHR(mode))
1281 return EXT2_FT_CHRDEV;
1283 if (LINUX_S_ISBLK(mode))
1284 return EXT2_FT_BLKDEV;
1286 if (LINUX_S_ISLNK(mode))
1287 return EXT2_FT_SYMLINK;
1289 if (LINUX_S_ISFIFO(mode))
1290 return EXT2_FT_FIFO;
1292 if (LINUX_S_ISSOCK(mode))
1293 return EXT2_FT_SOCK;
1298 static void make_link(char *sourcename, char *destname)
1301 struct ext2_inode inode;
1304 char *dest, *cp, *base_name;
1307 * Get the source inode
1309 ino = string_to_inode(sourcename);
1312 base_name = strrchr(sourcename, '/');
1316 base_name = sourcename;
1318 * Figure out the destination. First see if it exists and is
1321 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1325 * OK, it doesn't exist. See if it is
1326 * '<dir>/basename' or 'basename'
1328 cp = strrchr(destname, '/');
1331 dir = string_to_inode(destname);
1341 if (debugfs_read_inode(ino, &inode, sourcename))
1344 retval = ext2fs_link(current_fs, dir, dest, ino,
1345 ext2_file_type(inode.i_mode));
1347 com_err("make_link", retval, 0);
1352 void do_link(int argc, char *argv[])
1354 if (common_args_process(argc, argv, 3, 3, "link",
1355 "<source file> <dest_name>", CHECK_FS_RW))
1358 make_link(argv[1], argv[2]);
1361 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1362 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1363 blk64_t ref_block EXT2FS_ATTR((unused)),
1364 int ref_offset EXT2FS_ATTR((unused)),
1365 void *private EXT2FS_ATTR((unused)))
1370 ext2fs_block_alloc_stats2(fs, block, +1);
1374 void do_undel(int argc, char *argv[])
1377 struct ext2_inode inode;
1379 if (common_args_process(argc, argv, 2, 3, "undelete",
1380 "<inode_num> [dest_name]",
1381 CHECK_FS_RW | CHECK_FS_BITMAPS))
1384 ino = string_to_inode(argv[1]);
1388 if (debugfs_read_inode(ino, &inode, argv[1]))
1391 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1392 com_err(argv[1], 0, "Inode is not marked as deleted");
1397 * XXX this function doesn't handle changing the links count on the
1398 * parent directory when undeleting a directory.
1400 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1403 if (debugfs_write_inode(ino, &inode, argv[0]))
1406 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1407 mark_blocks_proc, NULL);
1409 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1412 make_link(argv[1], argv[2]);
1415 static void unlink_file_by_name(char *filename)
1421 base_name = strrchr(filename, '/');
1423 *base_name++ = '\0';
1424 dir = string_to_inode(filename);
1429 base_name = filename;
1431 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1433 com_err("unlink_file_by_name", retval, 0);
1437 void do_unlink(int argc, char *argv[])
1439 if (common_args_process(argc, argv, 2, 2, "link",
1440 "<pathname>", CHECK_FS_RW))
1443 unlink_file_by_name(argv[1]);
1446 void do_find_free_block(int argc, char *argv[])
1448 blk64_t free_blk, goal, first_free = 0;
1453 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1454 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1457 if (check_fs_open(argv[0]))
1461 count = strtol(argv[1],&tmp,0);
1463 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1470 goal = strtol(argv[2], &tmp, 0);
1472 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1477 goal = current_fs->super->s_first_data_block;
1479 printf("Free blocks found: ");
1480 free_blk = goal - 1;
1481 while (count-- > 0) {
1482 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1485 if (first_free == free_blk)
1488 first_free = free_blk;
1490 com_err("ext2fs_new_block", retval, 0);
1493 printf("%llu ", free_blk);
1498 void do_find_free_inode(int argc, char *argv[])
1500 ext2_ino_t free_inode, dir;
1505 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1506 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1509 if (check_fs_open(argv[0]))
1513 dir = strtol(argv[1], &tmp, 0);
1515 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1522 mode = strtol(argv[2], &tmp, 0);
1524 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1530 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1532 com_err("ext2fs_new_inode", retval, 0);
1534 printf("Free inode found: %u\n", free_inode);
1537 static errcode_t copy_file(int fd, ext2_ino_t newfile)
1539 ext2_file_t e2_file;
1542 unsigned int written;
1546 retval = ext2fs_file_open(current_fs, newfile,
1547 EXT2_FILE_WRITE, &e2_file);
1552 got = read(fd, buf, sizeof(buf));
1561 retval = ext2fs_file_write(e2_file, ptr,
1570 retval = ext2fs_file_close(e2_file);
1574 (void) ext2fs_file_close(e2_file);
1579 void do_write(int argc, char *argv[])
1582 struct stat statbuf;
1585 struct ext2_inode inode;
1587 if (common_args_process(argc, argv, 3, 3, "write",
1588 "<native file> <new file>", CHECK_FS_RW))
1591 fd = open(argv[1], O_RDONLY);
1593 com_err(argv[1], errno, 0);
1596 if (fstat(fd, &statbuf) < 0) {
1597 com_err(argv[1], errno, 0);
1602 retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
1604 com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
1609 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1611 com_err(argv[0], retval, 0);
1615 printf("Allocated inode: %u\n", newfile);
1616 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1618 if (retval == EXT2_ET_DIR_NO_SPACE) {
1619 retval = ext2fs_expand_dir(current_fs, cwd);
1621 com_err(argv[0], retval, "while expanding directory");
1625 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1629 com_err(argv[2], retval, 0);
1633 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1634 com_err(argv[0], 0, "Warning: inode already set");
1635 ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1636 memset(&inode, 0, sizeof(inode));
1637 inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
1638 inode.i_atime = inode.i_ctime = inode.i_mtime =
1639 current_fs->now ? current_fs->now : time(0);
1640 inode.i_links_count = 1;
1641 inode.i_size = statbuf.st_size;
1642 if (current_fs->super->s_feature_incompat &
1643 EXT3_FEATURE_INCOMPAT_EXTENTS)
1644 inode.i_flags |= EXT4_EXTENTS_FL;
1645 if (debugfs_write_new_inode(newfile, &inode, argv[0])) {
1649 if (LINUX_S_ISREG(inode.i_mode)) {
1650 retval = copy_file(fd, newfile);
1652 com_err("copy_file", retval, 0);
1657 void do_mknod(int argc, char *argv[])
1659 unsigned long mode, major, minor;
1662 struct ext2_inode inode;
1665 if (check_fs_open(argv[0]))
1667 if (argc < 3 || argv[2][1]) {
1669 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1672 mode = minor = major = 0;
1673 switch (argv[2][0]) {
1675 mode = LINUX_S_IFIFO;
1676 filetype = EXT2_FT_FIFO;
1680 mode = LINUX_S_IFCHR;
1681 filetype = EXT2_FT_CHRDEV;
1685 mode = LINUX_S_IFBLK;
1686 filetype = EXT2_FT_BLKDEV;
1694 major = strtoul(argv[3], argv+3, 0);
1695 minor = strtoul(argv[4], argv+4, 0);
1696 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1701 if (check_fs_read_write(argv[0]))
1703 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1705 com_err(argv[0], retval, 0);
1708 printf("Allocated inode: %u\n", newfile);
1709 retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
1710 if (retval == EXT2_ET_DIR_NO_SPACE) {
1711 retval = ext2fs_expand_dir(current_fs, cwd);
1713 com_err(argv[0], retval, "while expanding directory");
1716 retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
1720 com_err(argv[1], retval, 0);
1723 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1724 com_err(argv[0], 0, "Warning: inode already set");
1725 ext2fs_mark_inode_bitmap2(current_fs->inode_map, newfile);
1726 ext2fs_mark_ib_dirty(current_fs);
1727 memset(&inode, 0, sizeof(inode));
1728 inode.i_mode = mode;
1729 inode.i_atime = inode.i_ctime = inode.i_mtime =
1730 current_fs->now ? current_fs->now : time(0);
1731 if ((major < 256) && (minor < 256)) {
1732 inode.i_block[0] = major*256+minor;
1733 inode.i_block[1] = 0;
1735 inode.i_block[0] = 0;
1736 inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
1738 inode.i_links_count = 1;
1739 if (debugfs_write_new_inode(newfile, &inode, argv[0]))
1743 void do_mkdir(int argc, char *argv[])
1750 if (common_args_process(argc, argv, 2, 2, "mkdir",
1751 "<filename>", CHECK_FS_RW))
1754 cp = strrchr(argv[1], '/');
1757 parent = string_to_inode(argv[1]);
1759 com_err(argv[1], ENOENT, 0);
1769 retval = ext2fs_mkdir(current_fs, parent, 0, name);
1770 if (retval == EXT2_ET_DIR_NO_SPACE) {
1771 retval = ext2fs_expand_dir(current_fs, parent);
1773 com_err(argv[0], retval, "while expanding directory");
1779 com_err("ext2fs_mkdir", retval, 0);
1785 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1786 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1787 blk64_t ref_block EXT2FS_ATTR((unused)),
1788 int ref_offset EXT2FS_ATTR((unused)),
1789 void *private EXT2FS_ATTR((unused)))
1794 ext2fs_block_alloc_stats2(fs, block, -1);
1798 static void kill_file_by_inode(ext2_ino_t inode)
1800 struct ext2_inode inode_buf;
1802 if (debugfs_read_inode(inode, &inode_buf, 0))
1804 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1805 if (debugfs_write_inode(inode, &inode_buf, 0))
1807 if (!ext2fs_inode_has_valid_blocks(&inode_buf))
1810 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1811 release_blocks_proc, NULL);
1813 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1814 LINUX_S_ISDIR(inode_buf.i_mode));
1818 void do_kill_file(int argc, char *argv[])
1820 ext2_ino_t inode_num;
1822 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1825 kill_file_by_inode(inode_num);
1828 void do_rm(int argc, char *argv[])
1831 ext2_ino_t inode_num;
1832 struct ext2_inode inode;
1834 if (common_args_process(argc, argv, 2, 2, "rm",
1835 "<filename>", CHECK_FS_RW))
1838 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1840 com_err(argv[0], retval, "while trying to resolve filename");
1844 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1847 if (LINUX_S_ISDIR(inode.i_mode)) {
1848 com_err(argv[0], 0, "file is a directory");
1852 --inode.i_links_count;
1853 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1856 unlink_file_by_name(argv[1]);
1857 if (inode.i_links_count == 0)
1858 kill_file_by_inode(inode_num);
1866 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1867 int entry EXT2FS_ATTR((unused)),
1868 struct ext2_dir_entry *dirent,
1869 int offset EXT2FS_ATTR((unused)),
1870 int blocksize EXT2FS_ATTR((unused)),
1871 char *buf EXT2FS_ATTR((unused)),
1874 struct rd_struct *rds = (struct rd_struct *) private;
1876 if (dirent->inode == 0)
1878 if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
1880 if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') &&
1881 (dirent->name[1] == '.')) {
1882 rds->parent = dirent->inode;
1889 void do_rmdir(int argc, char *argv[])
1892 ext2_ino_t inode_num;
1893 struct ext2_inode inode;
1894 struct rd_struct rds;
1896 if (common_args_process(argc, argv, 2, 2, "rmdir",
1897 "<filename>", CHECK_FS_RW))
1900 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1902 com_err(argv[0], retval, "while trying to resolve filename");
1906 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1909 if (!LINUX_S_ISDIR(inode.i_mode)) {
1910 com_err(argv[0], 0, "file is not a directory");
1917 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1918 0, rmdir_proc, &rds);
1920 com_err(argv[0], retval, "while iterating over directory");
1923 if (rds.empty == 0) {
1924 com_err(argv[0], 0, "directory not empty");
1928 inode.i_links_count = 0;
1929 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1932 unlink_file_by_name(argv[1]);
1933 kill_file_by_inode(inode_num);
1936 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1938 if (inode.i_links_count > 1)
1939 inode.i_links_count--;
1940 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1945 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1946 char *argv[] EXT2FS_ATTR((unused)))
1951 fprintf(out, "Open mode: read-%s\n",
1952 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1953 fprintf(out, "Filesystem in use: %s\n",
1954 current_fs ? current_fs->device_name : "--none--");
1957 void do_expand_dir(int argc, char *argv[])
1962 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1965 retval = ext2fs_expand_dir(current_fs, inode);
1967 com_err("ext2fs_expand_dir", retval, 0);
1971 void do_features(int argc, char *argv[])
1975 if (check_fs_open(argv[0]))
1978 if ((argc != 1) && check_fs_read_write(argv[0]))
1980 for (i=1; i < argc; i++) {
1981 if (e2p_edit_feature(argv[i],
1982 ¤t_fs->super->s_feature_compat, 0))
1983 com_err(argv[0], 0, "Unknown feature: %s\n",
1986 ext2fs_mark_super_dirty(current_fs);
1988 print_features(current_fs->super, stdout);
1991 void do_bmap(int argc, char *argv[])
1998 if (common_args_process(argc, argv, 3, 3, argv[0],
1999 "<file> logical_blk", 0))
2002 ino = string_to_inode(argv[1]);
2005 blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
2007 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
2009 com_err("argv[0]", errcode,
2010 "while mapping logical block %llu\n", blk);
2013 printf("%llu\n", pblk);
2016 void do_imap(int argc, char *argv[])
2019 unsigned long group, block, block_nr, offset;
2021 if (common_args_process(argc, argv, 2, 2, argv[0],
2024 ino = string_to_inode(argv[1]);
2028 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
2029 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
2030 EXT2_INODE_SIZE(current_fs->super);
2031 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
2032 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
2033 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2037 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
2039 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2041 printf("Inode %d is part of block group %lu\n"
2042 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2047 void do_set_current_time(int argc, char *argv[])
2051 if (common_args_process(argc, argv, 2, 2, argv[0],
2055 now = string_to_time(argv[1]);
2056 if (now == ((time_t) -1)) {
2057 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2062 printf("Setting current time to %s\n", time_to_string(now));
2063 current_fs->now = now;
2067 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2069 int compat, bit, ret;
2070 unsigned int feature_mask;
2073 if (feature_type == E2P_FS_FEATURE)
2074 ret = e2p_string2feature(name, &compat, &feature_mask);
2076 ret = e2p_jrnl_string2feature(name, &compat,
2081 if (!(supp[compat] & feature_mask))
2084 for (compat = 0; compat < 3; compat++) {
2085 for (bit = 0, feature_mask = 1; bit < 32;
2086 bit++, feature_mask <<= 1) {
2087 if (supp[compat] & feature_mask) {
2088 if (feature_type == E2P_FS_FEATURE)
2089 fprintf(stdout, " %s",
2090 e2p_feature2string(compat,
2093 fprintf(stdout, " %s",
2094 e2p_jrnl_feature2string(compat,
2099 fprintf(stdout, "\n");
2105 void do_supported_features(int argc, char *argv[])
2108 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2109 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2110 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2111 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2112 JFS_KNOWN_INCOMPAT_FEATURES,
2113 JFS_KNOWN_ROCOMPAT_FEATURES };
2116 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2118 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2122 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2124 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2126 fprintf(stdout, "Supported features:");
2127 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2128 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2132 void do_punch(int argc, char *argv[])
2139 if (common_args_process(argc, argv, 3, 4, argv[0],
2140 "<file> start_blk [end_blk]",
2141 CHECK_FS_RW | CHECK_FS_BITMAPS))
2144 ino = string_to_inode(argv[1]);
2147 start = parse_ulong(argv[2], argv[0], "logical_block", &err);
2149 end = parse_ulong(argv[3], argv[0], "logical_block", &err);
2153 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2156 com_err(argv[0], errcode,
2157 "while truncating inode %u from %llu to %llu\n", ino,
2158 (unsigned long long) start, (unsigned long long) end);
2163 static int source_file(const char *cmd_file, int sci_idx)
2168 int exit_status = 0;
2171 if (strcmp(cmd_file, "-") == 0)
2174 f = fopen(cmd_file, "r");
2182 setbuf(stdout, NULL);
2183 setbuf(stderr, NULL);
2185 if (fgets(buf, sizeof(buf), f) == NULL)
2187 cp = strchr(buf, '\n');
2190 cp = strchr(buf, '\r');
2193 printf("debugfs: %s\n", buf);
2194 retval = ss_execute_line(sci_idx, buf);
2196 ss_perror(sci_idx, retval, buf);
2205 int main(int argc, char **argv)
2209 const char *usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
2211 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2213 int exit_status = 0;
2215 blk64_t superblock = 0;
2216 blk64_t blocksize = 0;
2217 int catastrophic = 0;
2218 char *data_filename = 0;
2220 if (debug_prog_name == 0)
2221 debug_prog_name = "debugfs";
2223 add_error_table(&et_ext2_error_table);
2224 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2225 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2227 while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:D")) != EOF) {
2236 data_filename = optarg;
2239 open_flags |= EXT2_FLAG_IMAGE_FILE;
2242 open_flags |= EXT2_FLAG_RW;
2245 open_flags |= EXT2_FLAG_DIRECT_IO;
2248 blocksize = parse_ulong(optarg, argv[0],
2252 superblock = parse_ulong(optarg, argv[0],
2253 "superblock number", 0);
2259 /* Print version number and exit */
2260 fprintf(stderr, "\tUsing %s\n",
2261 error_message(EXT2_ET_BASE));
2264 com_err(argv[0], 0, usage, debug_prog_name);
2269 open_filesystem(argv[optind], open_flags,
2270 superblock, blocksize, catastrophic,
2273 sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2274 &debug_cmds, &retval);
2276 ss_perror(sci_idx, retval, "creating invocation");
2279 ss_get_readline(sci_idx);
2281 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2283 ss_perror(sci_idx, retval, "adding standard requests");
2287 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2289 ss_perror(sci_idx, retval, "adding extra requests");
2294 retval = ss_execute_line(sci_idx, request);
2296 ss_perror(sci_idx, retval, request);
2299 } else if (cmd_file) {
2300 exit_status = source_file(cmd_file, sci_idx);
2305 ss_delete_invocation(sci_idx);
2310 remove_error_table(&et_ext2_error_table);