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>
28 #include <sys/types.h>
31 #include "et/com_err.h"
34 #include "uuid/uuid.h"
37 #include <ext2fs/ext2_ext_attr.h>
39 #include "../version.h"
42 extern ss_request_table debug_cmds;
43 ss_request_table *extra_cmds;
44 const char *debug_prog_name;
46 ext2_filsys current_fs = NULL;
49 static void open_filesystem(char *device, int open_flags, blk64_t superblock,
50 blk64_t blocksize, int catastrophic,
54 io_channel data_io = 0;
56 if (superblock != 0 && blocksize == 0) {
57 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
63 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
65 "The -d option is only valid when reading an e2image file");
69 retval = unix_io_manager->open(data_filename, 0, &data_io);
71 com_err(data_filename, 0, "while opening data source");
77 if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
79 "opening read-only because of catastrophic mode");
80 open_flags &= ~EXT2_FLAG_RW;
83 open_flags |= EXT2_FLAG_SKIP_MMP;
85 retval = ext2fs_open(device, open_flags, superblock, blocksize,
86 unix_io_manager, ¤t_fs);
88 com_err(device, retval, "while opening filesystem");
94 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
96 retval = ext2fs_read_inode_bitmap(current_fs);
98 com_err(device, retval, "while reading inode bitmap");
101 retval = ext2fs_read_block_bitmap(current_fs);
103 com_err(device, retval, "while reading block bitmap");
109 retval = ext2fs_set_data_io(current_fs, data_io);
111 com_err(device, retval,
112 "while setting data source");
117 root = cwd = EXT2_ROOT_INO;
121 retval = ext2fs_close(current_fs);
123 com_err(device, retval, "while trying to close filesystem");
127 void do_open_filesys(int argc, char **argv)
130 int catastrophic = 0;
131 blk64_t superblock = 0;
132 blk64_t blocksize = 0;
133 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
134 char *data_filename = 0;
137 while ((c = getopt (argc, argv, "iwfecb:s:d:D")) != EOF) {
140 open_flags |= EXT2_FLAG_IMAGE_FILE;
143 open_flags |= EXT2_FLAG_RW;
146 open_flags |= EXT2_FLAG_FORCE;
149 open_flags |= EXT2_FLAG_EXCLUSIVE;
155 data_filename = optarg;
158 open_flags |= EXT2_FLAG_DIRECT_IO;
161 blocksize = parse_ulong(optarg, argv[0],
167 superblock = parse_ulong(optarg, argv[0],
168 "superblock number", &err);
176 if (optind != argc-1) {
179 if (check_fs_not_open(argv[0]))
181 open_filesystem(argv[optind], open_flags,
182 superblock, blocksize, catastrophic,
187 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
188 "[-c] [-w] <device>\n", argv[0]);
191 void do_lcd(int argc, char **argv)
194 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
198 if (chdir(argv[1]) == -1) {
199 com_err(argv[0], errno,
200 "while trying to change native directory to %s",
206 static void close_filesystem(NOARGS)
210 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
211 retval = ext2fs_write_inode_bitmap(current_fs);
213 com_err("ext2fs_write_inode_bitmap", retval, 0);
215 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
216 retval = ext2fs_write_block_bitmap(current_fs);
218 com_err("ext2fs_write_block_bitmap", retval, 0);
220 retval = ext2fs_close(current_fs);
222 com_err("ext2fs_close", retval, 0);
227 void do_close_filesys(int argc, char **argv)
231 if (check_fs_open(argv[0]))
235 while ((c = getopt (argc, argv, "a")) != EOF) {
238 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
247 com_err(0, 0, "Usage: close_filesys [-a]");
254 void do_init_filesys(int argc, char **argv)
256 struct ext2_super_block param;
260 if (common_args_process(argc, argv, 3, 3, "initialize",
261 "<device> <blocksize>", CHECK_FS_NOTOPEN))
264 memset(¶m, 0, sizeof(struct ext2_super_block));
265 ext2fs_blocks_count_set(¶m, parse_ulong(argv[2], argv[0],
266 "blocks count", &err));
269 retval = ext2fs_initialize(argv[1], 0, ¶m,
270 unix_io_manager, ¤t_fs);
272 com_err(argv[1], retval, "while initializing filesystem");
276 root = cwd = EXT2_ROOT_INO;
280 static void print_features(struct ext2_super_block * s, FILE *f)
283 __u32 *mask = &s->s_feature_compat, m;
285 fputs("Filesystem features:", f);
286 for (i=0; i <3; i++,mask++) {
287 for (j=0,m=1; j < 32; j++, m<<=1) {
289 fprintf(f, " %s", e2p_feature2string(i, m));
299 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
300 const char *str, int *first, FILE *f)
302 if (ext2fs_bg_flags_test(fs, group, mask)) {
312 void do_show_super_stats(int argc, char *argv[])
314 const char *units ="block";
317 int c, header_only = 0;
318 int numdirs = 0, first, gdt_csum;
321 while ((c = getopt (argc, argv, "h")) != EOF) {
330 if (optind != argc) {
333 if (check_fs_open(argv[0]))
337 if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
338 EXT4_FEATURE_RO_COMPAT_BIGALLOC))
341 list_super2(current_fs->super, out);
342 for (i=0; i < current_fs->group_desc_count; i++)
343 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
344 fprintf(out, "Directories: %d\n", numdirs);
351 gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
352 EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
353 for (i = 0; i < current_fs->group_desc_count; i++) {
354 fprintf(out, " Group %2d: block bitmap at %llu, "
355 "inode bitmap at %llu, "
356 "inode table at %llu\n"
360 i, ext2fs_block_bitmap_loc(current_fs, i),
361 ext2fs_inode_bitmap_loc(current_fs, i),
362 ext2fs_inode_table_loc(current_fs, i),
363 ext2fs_bg_free_blocks_count(current_fs, i), units,
364 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
366 ext2fs_bg_free_inodes_count(current_fs, i),
367 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
369 ext2fs_bg_used_dirs_count(current_fs, i),
370 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
371 : "directory", gdt_csum ? ", " : "\n");
373 fprintf(out, "%u unused %s\n",
374 ext2fs_bg_itable_unused(current_fs, i),
375 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
378 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
380 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
383 fprintf(out, "%sChecksum 0x%04x",
384 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
393 fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
396 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
397 char **argv EXT2FS_ATTR((unused)))
399 if (check_fs_open(argv[0]))
401 if (check_fs_read_write(argv[0]))
404 if (argv[1] && !strcmp(argv[1], "-clean"))
405 current_fs->super->s_state |= EXT2_VALID_FS;
407 current_fs->super->s_state &= ~EXT2_VALID_FS;
408 ext2fs_mark_super_dirty(current_fs);
411 struct list_blocks_struct {
414 blk64_t first_block, last_block;
415 e2_blkcnt_t first_bcnt, last_bcnt;
419 static void finish_range(struct list_blocks_struct *lb)
421 if (lb->first_block == 0)
426 fprintf(lb->f, ", ");
427 if (lb->first_block == lb->last_block)
428 fprintf(lb->f, "(%lld):%llu",
429 (long long)lb->first_bcnt, lb->first_block);
431 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
432 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
433 lb->first_block, lb->last_block);
437 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
438 blk64_t *blocknr, e2_blkcnt_t blockcnt,
439 blk64_t ref_block EXT2FS_ATTR((unused)),
440 int ref_offset EXT2FS_ATTR((unused)),
443 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
448 * See if we can add on to the existing range (if it exists)
450 if (lb->first_block &&
451 (lb->last_block+1 == *blocknr) &&
452 (lb->last_bcnt+1 == blockcnt)) {
453 lb->last_block = *blocknr;
454 lb->last_bcnt = blockcnt;
461 lb->first_block = lb->last_block = *blocknr;
462 lb->first_bcnt = lb->last_bcnt = blockcnt;
466 * Not a normal block. Always force a new range.
472 fprintf(lb->f, ", ");
474 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
475 else if (blockcnt == -2)
476 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
477 else if (blockcnt == -3)
478 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
482 static void dump_xattr_string(FILE *out, const char *str, int len)
487 /* check: is string "printable enough?" */
488 for (i = 0; i < len; i++)
492 if (printable <= len*7/8)
495 for (i = 0; i < len; i++)
497 fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
498 (unsigned char)str[i]);
500 fprintf(out, "%02x ", (unsigned char)str[i]);
503 static void internal_dump_inode_extra(FILE *out,
504 const char *prefix EXT2FS_ATTR((unused)),
505 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
506 struct ext2_inode_large *inode)
508 struct ext2_ext_attr_entry *entry;
511 unsigned int storage_size;
513 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
514 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
515 EXT2_GOOD_OLD_INODE_SIZE) {
516 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
517 inode->i_extra_isize);
520 storage_size = EXT2_INODE_SIZE(current_fs->super) -
521 EXT2_GOOD_OLD_INODE_SIZE -
522 inode->i_extra_isize;
523 magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
524 inode->i_extra_isize);
525 if (*magic == EXT2_EXT_ATTR_MAGIC) {
526 fprintf(out, "Extended attributes stored in inode body: \n");
527 end = (char *) inode + EXT2_INODE_SIZE(current_fs->super);
528 start = (char *) magic + sizeof(__u32);
529 entry = (struct ext2_ext_attr_entry *) start;
530 while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
531 struct ext2_ext_attr_entry *next =
532 EXT2_EXT_ATTR_NEXT(entry);
533 if (entry->e_value_size > storage_size ||
534 (char *) next >= end) {
535 fprintf(out, "invalid EA entry in inode\n");
539 dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry),
541 fprintf(out, " = \"");
542 dump_xattr_string(out, start + entry->e_value_offs,
543 entry->e_value_size);
544 fprintf(out, "\" (%u)\n", entry->e_value_size);
550 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
552 struct list_blocks_struct lb;
554 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
559 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
560 list_blocks_proc, (void *)&lb);
563 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
567 static int int_log10(unsigned long long arg)
579 #define DUMP_LEAF_EXTENTS 0x01
580 #define DUMP_NODE_EXTENTS 0x02
581 #define DUMP_EXTENT_TABLE 0x04
583 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
584 int flags, int logical_width, int physical_width)
586 ext2_extent_handle_t handle;
587 struct ext2fs_extent extent;
588 struct ext2_extent_info info;
589 int op = EXT2_EXTENT_ROOT;
590 unsigned int printed = 0;
593 errcode = ext2fs_extent_open(current_fs, ino, &handle);
597 if (flags & DUMP_EXTENT_TABLE)
598 fprintf(f, "Level Entries %*s %*s Length Flags\n",
599 (logical_width*2)+3, "Logical",
600 (physical_width*2)+3, "Physical");
602 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
605 errcode = ext2fs_extent_get(handle, op, &extent);
610 op = EXT2_EXTENT_NEXT;
612 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
615 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
616 if ((flags & DUMP_LEAF_EXTENTS) == 0)
619 if ((flags & DUMP_NODE_EXTENTS) == 0)
623 errcode = ext2fs_extent_get_info(handle, &info);
627 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
628 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
631 if (flags & DUMP_EXTENT_TABLE) {
632 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
634 info.curr_level, info.max_depth,
635 info.curr_entry, info.num_entries,
639 extent.e_lblk + (extent.e_len - 1),
642 physical_width+3, "", extent.e_len);
646 fprintf(f, "%s(ETB%d):%lld",
647 printed ? ", " : "", info.curr_level,
653 if (flags & DUMP_EXTENT_TABLE) {
654 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
655 "%*llu - %*llu %6u %s\n",
656 info.curr_level, info.max_depth,
657 info.curr_entry, info.num_entries,
661 extent.e_lblk + (extent.e_len - 1),
665 extent.e_pblk + (extent.e_len - 1),
667 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
672 if (extent.e_len == 0)
674 else if (extent.e_len == 1)
679 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
684 "%s(%lld-%lld%s):%lld-%lld",
687 extent.e_lblk + (extent.e_len - 1),
688 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
691 extent.e_pblk + (extent.e_len - 1));
698 void internal_dump_inode(FILE *out, const char *prefix,
699 ext2_ino_t inode_num, struct ext2_inode *inode,
704 int os = current_fs->super->s_creator_os;
705 struct ext2_inode_large *large_inode;
706 int is_large_inode = 0;
708 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
710 large_inode = (struct ext2_inode_large *) inode;
712 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
713 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
714 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
715 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
716 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
717 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
718 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
719 else i_type = "bad type";
720 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
721 fprintf(out, "%sMode: %04o Flags: 0x%x\n",
722 prefix, inode->i_mode & 0777, inode->i_flags);
723 if (is_large_inode && large_inode->i_extra_isize >= 24) {
724 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
725 prefix, inode->i_generation, large_inode->i_version_hi,
726 inode->osd1.linux1.l_i_version);
728 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
729 inode->i_generation, inode->osd1.linux1.l_i_version);
731 fprintf(out, "%sUser: %5d Group: %5d Size: ",
732 prefix, inode_uid(*inode), inode_gid(*inode));
733 if (LINUX_S_ISREG(inode->i_mode))
734 fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
736 fprintf(out, "%d\n", inode->i_size);
737 if (os == EXT2_OS_HURD)
739 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
741 inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
742 inode->osd1.hurd1.h_i_translator);
744 fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
746 inode->i_file_acl | ((long long)
747 (inode->osd2.linux2.l_i_file_acl_high) << 32),
748 LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
749 if (os == EXT2_OS_LINUX)
750 fprintf(out, "%sLinks: %d Blockcount: %llu\n",
751 prefix, inode->i_links_count,
752 (((unsigned long long)
753 inode->osd2.linux2.l_i_blocks_hi << 32)) +
756 fprintf(out, "%sLinks: %d Blockcount: %u\n",
757 prefix, inode->i_links_count, inode->i_blocks);
760 frag = inode->osd2.hurd2.h_i_frag;
761 fsize = inode->osd2.hurd2.h_i_fsize;
766 fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
767 prefix, inode->i_faddr, frag, fsize);
768 if (is_large_inode && large_inode->i_extra_isize >= 24) {
769 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
770 inode->i_ctime, large_inode->i_ctime_extra,
771 time_to_string(inode->i_ctime));
772 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
773 inode->i_atime, large_inode->i_atime_extra,
774 time_to_string(inode->i_atime));
775 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
776 inode->i_mtime, large_inode->i_mtime_extra,
777 time_to_string(inode->i_mtime));
778 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
779 large_inode->i_crtime, large_inode->i_crtime_extra,
780 time_to_string(large_inode->i_crtime));
782 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
783 time_to_string(inode->i_ctime));
784 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
785 time_to_string(inode->i_atime));
786 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
787 time_to_string(inode->i_mtime));
790 fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
791 time_to_string(inode->i_dtime));
792 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
793 internal_dump_inode_extra(out, prefix, inode_num,
794 (struct ext2_inode_large *) inode);
795 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
796 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
797 (int) inode->i_size, (char *)inode->i_block);
798 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
802 if (inode->i_block[0]) {
803 major = (inode->i_block[0] >> 8) & 255;
804 minor = inode->i_block[0] & 255;
807 major = (inode->i_block[1] & 0xfff00) >> 8;
808 minor = ((inode->i_block[1] & 0xff) |
809 ((inode->i_block[1] >> 12) & 0xfff00));
810 devnote = "(New-style) ";
812 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
813 devnote, major, minor, major, minor);
814 } else if (do_dump_blocks) {
815 if (inode->i_flags & EXT4_EXTENTS_FL)
816 dump_extents(out, prefix, inode_num,
817 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
819 dump_blocks(out, prefix, inode_num);
823 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
828 internal_dump_inode(out, "", inode_num, inode, 1);
832 void do_stat(int argc, char *argv[])
835 struct ext2_inode * inode_buf;
837 if (check_fs_open(argv[0]))
840 inode_buf = (struct ext2_inode *)
841 malloc(EXT2_INODE_SIZE(current_fs->super));
843 fprintf(stderr, "do_stat: can't allocate buffer\n");
847 if (common_inode_args_process(argc, argv, &inode, 0)) {
852 if (debugfs_read_inode_full(inode, inode_buf, argv[0],
853 EXT2_INODE_SIZE(current_fs->super))) {
858 dump_inode(inode, inode_buf);
863 void do_dump_extents(int argc, char **argv)
865 struct ext2_inode inode;
873 while ((c = getopt(argc, argv, "nl")) != EOF) {
876 flags |= DUMP_NODE_EXTENTS;
879 flags |= DUMP_LEAF_EXTENTS;
884 if (argc != optind + 1) {
885 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
890 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
891 flags |= DUMP_EXTENT_TABLE;
893 if (check_fs_open(argv[0]))
896 ino = string_to_inode(argv[optind]);
900 if (debugfs_read_inode(ino, &inode, argv[0]))
903 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
904 fprintf(stderr, "%s: does not uses extent block maps\n",
909 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
910 current_fs->blocksize) + 1;
911 if (logical_width < 5)
913 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
914 if (physical_width < 5)
918 dump_extents(out, "", ino, flags, logical_width, physical_width);
923 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
925 e2_blkcnt_t blockcnt,
926 blk64_t ref_block EXT2FS_ATTR((unused)),
927 int ref_offset EXT2FS_ATTR((unused)),
928 void *private EXT2FS_ATTR((unused)))
930 printf("%llu ", *blocknr);
934 void do_blocks(int argc, char *argv[])
938 if (check_fs_open(argv[0]))
941 if (common_inode_args_process(argc, argv, &inode, 0)) {
945 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
946 print_blocks_proc, NULL);
951 void do_chroot(int argc, char *argv[])
956 if (common_inode_args_process(argc, argv, &inode, 0))
959 retval = ext2fs_check_directory(current_fs, inode);
961 com_err(argv[1], retval, 0);
967 void do_clri(int argc, char *argv[])
970 struct ext2_inode inode_buf;
972 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
975 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
977 memset(&inode_buf, 0, sizeof(inode_buf));
978 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
982 void do_freei(int argc, char *argv[])
986 if (common_inode_args_process(argc, argv, &inode,
987 CHECK_FS_RW | CHECK_FS_BITMAPS))
990 if (!ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
991 com_err(argv[0], 0, "Warning: inode already clear");
992 ext2fs_unmark_inode_bitmap2(current_fs->inode_map,inode);
993 ext2fs_mark_ib_dirty(current_fs);
996 void do_seti(int argc, char *argv[])
1000 if (common_inode_args_process(argc, argv, &inode,
1001 CHECK_FS_RW | CHECK_FS_BITMAPS))
1004 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1005 com_err(argv[0], 0, "Warning: inode already set");
1006 ext2fs_mark_inode_bitmap2(current_fs->inode_map,inode);
1007 ext2fs_mark_ib_dirty(current_fs);
1010 void do_testi(int argc, char *argv[])
1014 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1017 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1018 printf("Inode %u is marked in use\n", inode);
1020 printf("Inode %u is not in use\n", inode);
1023 void do_freeb(int argc, char *argv[])
1028 if (common_block_args_process(argc, argv, &block, &count))
1030 if (check_fs_read_write(argv[0]))
1032 while (count-- > 0) {
1033 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1034 com_err(argv[0], 0, "Warning: block %llu already clear",
1036 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1039 ext2fs_mark_bb_dirty(current_fs);
1042 void do_setb(int argc, char *argv[])
1047 if (common_block_args_process(argc, argv, &block, &count))
1049 if (check_fs_read_write(argv[0]))
1051 while (count-- > 0) {
1052 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1053 com_err(argv[0], 0, "Warning: block %llu already set",
1055 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1058 ext2fs_mark_bb_dirty(current_fs);
1061 void do_testb(int argc, char *argv[])
1066 if (common_block_args_process(argc, argv, &block, &count))
1068 while (count-- > 0) {
1069 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1070 printf("Block %llu marked in use\n", block);
1072 printf("Block %llu not in use\n", block);
1077 static void modify_u8(char *com, const char *prompt,
1078 const char *format, __u8 *val)
1084 sprintf(buf, format, *val);
1085 printf("%30s [%s] ", prompt, buf);
1086 if (!fgets(buf, sizeof(buf), stdin))
1088 if (buf[strlen (buf) - 1] == '\n')
1089 buf[strlen (buf) - 1] = '\0';
1092 v = strtoul(buf, &tmp, 0);
1094 com_err(com, 0, "Bad value - %s", buf);
1099 static void modify_u16(char *com, const char *prompt,
1100 const char *format, __u16 *val)
1106 sprintf(buf, format, *val);
1107 printf("%30s [%s] ", prompt, buf);
1108 if (!fgets(buf, sizeof(buf), stdin))
1110 if (buf[strlen (buf) - 1] == '\n')
1111 buf[strlen (buf) - 1] = '\0';
1114 v = strtoul(buf, &tmp, 0);
1116 com_err(com, 0, "Bad value - %s", buf);
1121 static void modify_u32(char *com, const char *prompt,
1122 const char *format, __u32 *val)
1128 sprintf(buf, format, *val);
1129 printf("%30s [%s] ", prompt, buf);
1130 if (!fgets(buf, sizeof(buf), stdin))
1132 if (buf[strlen (buf) - 1] == '\n')
1133 buf[strlen (buf) - 1] = '\0';
1136 v = strtoul(buf, &tmp, 0);
1138 com_err(com, 0, "Bad value - %s", buf);
1144 void do_modify_inode(int argc, char *argv[])
1146 struct ext2_inode inode;
1147 ext2_ino_t inode_num;
1149 unsigned char *frag, *fsize;
1152 const char *hex_format = "0x%x";
1153 const char *octal_format = "0%o";
1154 const char *decimal_format = "%d";
1155 const char *unsignedlong_format = "%lu";
1157 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1160 os = current_fs->super->s_creator_os;
1162 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1165 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1166 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1167 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1168 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1169 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1170 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1171 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1172 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1173 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1174 if (os == EXT2_OS_LINUX)
1175 modify_u16(argv[0], "Block count high", unsignedlong_format,
1176 &inode.osd2.linux2.l_i_blocks_hi);
1177 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1178 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1179 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1181 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1183 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1184 if (LINUX_S_ISDIR(inode.i_mode))
1185 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1187 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1189 if (os == EXT2_OS_HURD)
1190 modify_u32(argv[0], "Translator Block",
1191 decimal_format, &inode.osd1.hurd1.h_i_translator);
1193 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1196 frag = &inode.osd2.hurd2.h_i_frag;
1197 fsize = &inode.osd2.hurd2.h_i_fsize;
1203 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1205 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1207 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1208 sprintf(buf, "Direct Block #%d", i);
1209 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1211 modify_u32(argv[0], "Indirect Block", decimal_format,
1212 &inode.i_block[EXT2_IND_BLOCK]);
1213 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1214 &inode.i_block[EXT2_DIND_BLOCK]);
1215 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1216 &inode.i_block[EXT2_TIND_BLOCK]);
1217 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1221 void do_change_working_dir(int argc, char *argv[])
1226 if (common_inode_args_process(argc, argv, &inode, 0))
1229 retval = ext2fs_check_directory(current_fs, inode);
1231 com_err(argv[1], retval, 0);
1238 void do_print_working_directory(int argc, char *argv[])
1241 char *pathname = NULL;
1243 if (common_args_process(argc, argv, 1, 1,
1244 "print_working_directory", "", 0))
1247 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1249 com_err(argv[0], retval,
1250 "while trying to get pathname of cwd");
1252 printf("[pwd] INODE: %6u PATH: %s\n",
1253 cwd, pathname ? pathname : "NULL");
1258 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1260 com_err(argv[0], retval,
1261 "while trying to get pathname of root");
1263 printf("[root] INODE: %6u PATH: %s\n",
1264 root, pathname ? pathname : "NULL");
1273 * Given a mode, return the ext2 file type
1275 static int ext2_file_type(unsigned int mode)
1277 if (LINUX_S_ISREG(mode))
1278 return EXT2_FT_REG_FILE;
1280 if (LINUX_S_ISDIR(mode))
1283 if (LINUX_S_ISCHR(mode))
1284 return EXT2_FT_CHRDEV;
1286 if (LINUX_S_ISBLK(mode))
1287 return EXT2_FT_BLKDEV;
1289 if (LINUX_S_ISLNK(mode))
1290 return EXT2_FT_SYMLINK;
1292 if (LINUX_S_ISFIFO(mode))
1293 return EXT2_FT_FIFO;
1295 if (LINUX_S_ISSOCK(mode))
1296 return EXT2_FT_SOCK;
1301 static void make_link(char *sourcename, char *destname)
1304 struct ext2_inode inode;
1307 char *dest, *cp, *base_name;
1310 * Get the source inode
1312 ino = string_to_inode(sourcename);
1315 base_name = strrchr(sourcename, '/');
1319 base_name = sourcename;
1321 * Figure out the destination. First see if it exists and is
1324 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1328 * OK, it doesn't exist. See if it is
1329 * '<dir>/basename' or 'basename'
1331 cp = strrchr(destname, '/');
1334 dir = string_to_inode(destname);
1344 if (debugfs_read_inode(ino, &inode, sourcename))
1347 retval = ext2fs_link(current_fs, dir, dest, ino,
1348 ext2_file_type(inode.i_mode));
1350 com_err("make_link", retval, 0);
1355 void do_link(int argc, char *argv[])
1357 if (common_args_process(argc, argv, 3, 3, "link",
1358 "<source file> <dest_name>", CHECK_FS_RW))
1361 make_link(argv[1], argv[2]);
1364 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1365 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1366 blk64_t ref_block EXT2FS_ATTR((unused)),
1367 int ref_offset EXT2FS_ATTR((unused)),
1368 void *private EXT2FS_ATTR((unused)))
1373 ext2fs_block_alloc_stats2(fs, block, +1);
1377 void do_undel(int argc, char *argv[])
1380 struct ext2_inode inode;
1382 if (common_args_process(argc, argv, 2, 3, "undelete",
1383 "<inode_num> [dest_name]",
1384 CHECK_FS_RW | CHECK_FS_BITMAPS))
1387 ino = string_to_inode(argv[1]);
1391 if (debugfs_read_inode(ino, &inode, argv[1]))
1394 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1395 com_err(argv[1], 0, "Inode is not marked as deleted");
1400 * XXX this function doesn't handle changing the links count on the
1401 * parent directory when undeleting a directory.
1403 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1406 if (debugfs_write_inode(ino, &inode, argv[0]))
1409 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1410 mark_blocks_proc, NULL);
1412 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1415 make_link(argv[1], argv[2]);
1418 static void unlink_file_by_name(char *filename)
1424 base_name = strrchr(filename, '/');
1426 *base_name++ = '\0';
1427 dir = string_to_inode(filename);
1432 base_name = filename;
1434 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1436 com_err("unlink_file_by_name", retval, 0);
1440 void do_unlink(int argc, char *argv[])
1442 if (common_args_process(argc, argv, 2, 2, "link",
1443 "<pathname>", CHECK_FS_RW))
1446 unlink_file_by_name(argv[1]);
1449 void do_find_free_block(int argc, char *argv[])
1451 blk64_t free_blk, goal, first_free = 0;
1456 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1457 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1460 if (check_fs_open(argv[0]))
1464 count = strtol(argv[1],&tmp,0);
1466 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1473 goal = strtol(argv[2], &tmp, 0);
1475 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1480 goal = current_fs->super->s_first_data_block;
1482 printf("Free blocks found: ");
1483 free_blk = goal - 1;
1484 while (count-- > 0) {
1485 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1488 if (first_free == free_blk)
1491 first_free = free_blk;
1493 com_err("ext2fs_new_block", retval, 0);
1496 printf("%llu ", free_blk);
1501 void do_find_free_inode(int argc, char *argv[])
1503 ext2_ino_t free_inode, dir;
1508 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1509 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1512 if (check_fs_open(argv[0]))
1516 dir = strtol(argv[1], &tmp, 0);
1518 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1525 mode = strtol(argv[2], &tmp, 0);
1527 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1533 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1535 com_err("ext2fs_new_inode", retval, 0);
1537 printf("Free inode found: %u\n", free_inode);
1540 static errcode_t copy_file(int fd, ext2_ino_t newfile)
1542 ext2_file_t e2_file;
1545 unsigned int written;
1549 retval = ext2fs_file_open(current_fs, newfile,
1550 EXT2_FILE_WRITE, &e2_file);
1555 got = read(fd, buf, sizeof(buf));
1564 retval = ext2fs_file_write(e2_file, ptr,
1573 retval = ext2fs_file_close(e2_file);
1577 (void) ext2fs_file_close(e2_file);
1582 void do_write(int argc, char *argv[])
1585 struct stat statbuf;
1588 struct ext2_inode inode;
1590 if (common_args_process(argc, argv, 3, 3, "write",
1591 "<native file> <new file>", CHECK_FS_RW))
1594 fd = open(argv[1], O_RDONLY);
1596 com_err(argv[1], errno, 0);
1599 if (fstat(fd, &statbuf) < 0) {
1600 com_err(argv[1], errno, 0);
1605 retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
1607 com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
1612 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1614 com_err(argv[0], retval, 0);
1618 printf("Allocated inode: %u\n", newfile);
1619 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1621 if (retval == EXT2_ET_DIR_NO_SPACE) {
1622 retval = ext2fs_expand_dir(current_fs, cwd);
1624 com_err(argv[0], retval, "while expanding directory");
1628 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1632 com_err(argv[2], retval, 0);
1636 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1637 com_err(argv[0], 0, "Warning: inode already set");
1638 ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1639 memset(&inode, 0, sizeof(inode));
1640 inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
1641 inode.i_atime = inode.i_ctime = inode.i_mtime =
1642 current_fs->now ? current_fs->now : time(0);
1643 inode.i_links_count = 1;
1644 inode.i_size = statbuf.st_size;
1645 if (current_fs->super->s_feature_incompat &
1646 EXT3_FEATURE_INCOMPAT_EXTENTS)
1647 inode.i_flags |= EXT4_EXTENTS_FL;
1648 if (debugfs_write_new_inode(newfile, &inode, argv[0])) {
1652 if (LINUX_S_ISREG(inode.i_mode)) {
1653 retval = copy_file(fd, newfile);
1655 com_err("copy_file", retval, 0);
1660 void do_mknod(int argc, char *argv[])
1662 unsigned long mode, major, minor;
1665 struct ext2_inode inode;
1668 if (check_fs_open(argv[0]))
1670 if (argc < 3 || argv[2][1]) {
1672 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1675 mode = minor = major = 0;
1676 switch (argv[2][0]) {
1678 mode = LINUX_S_IFIFO;
1679 filetype = EXT2_FT_FIFO;
1683 mode = LINUX_S_IFCHR;
1684 filetype = EXT2_FT_CHRDEV;
1688 mode = LINUX_S_IFBLK;
1689 filetype = EXT2_FT_BLKDEV;
1697 major = strtoul(argv[3], argv+3, 0);
1698 minor = strtoul(argv[4], argv+4, 0);
1699 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1704 if (check_fs_read_write(argv[0]))
1706 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1708 com_err(argv[0], retval, 0);
1711 printf("Allocated inode: %u\n", newfile);
1712 retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
1713 if (retval == EXT2_ET_DIR_NO_SPACE) {
1714 retval = ext2fs_expand_dir(current_fs, cwd);
1716 com_err(argv[0], retval, "while expanding directory");
1719 retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
1723 com_err(argv[1], retval, 0);
1726 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1727 com_err(argv[0], 0, "Warning: inode already set");
1728 ext2fs_mark_inode_bitmap2(current_fs->inode_map, newfile);
1729 ext2fs_mark_ib_dirty(current_fs);
1730 memset(&inode, 0, sizeof(inode));
1731 inode.i_mode = mode;
1732 inode.i_atime = inode.i_ctime = inode.i_mtime =
1733 current_fs->now ? current_fs->now : time(0);
1734 if ((major < 256) && (minor < 256)) {
1735 inode.i_block[0] = major*256+minor;
1736 inode.i_block[1] = 0;
1738 inode.i_block[0] = 0;
1739 inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
1741 inode.i_links_count = 1;
1742 if (debugfs_write_new_inode(newfile, &inode, argv[0]))
1746 void do_mkdir(int argc, char *argv[])
1753 if (common_args_process(argc, argv, 2, 2, "mkdir",
1754 "<filename>", CHECK_FS_RW))
1757 cp = strrchr(argv[1], '/');
1760 parent = string_to_inode(argv[1]);
1762 com_err(argv[1], ENOENT, 0);
1772 retval = ext2fs_mkdir(current_fs, parent, 0, name);
1773 if (retval == EXT2_ET_DIR_NO_SPACE) {
1774 retval = ext2fs_expand_dir(current_fs, parent);
1776 com_err(argv[0], retval, "while expanding directory");
1782 com_err("ext2fs_mkdir", retval, 0);
1788 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1789 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1790 blk64_t ref_block EXT2FS_ATTR((unused)),
1791 int ref_offset EXT2FS_ATTR((unused)),
1792 void *private EXT2FS_ATTR((unused)))
1797 ext2fs_block_alloc_stats2(fs, block, -1);
1801 static void kill_file_by_inode(ext2_ino_t inode)
1803 struct ext2_inode inode_buf;
1805 if (debugfs_read_inode(inode, &inode_buf, 0))
1807 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1808 if (debugfs_write_inode(inode, &inode_buf, 0))
1810 if (!ext2fs_inode_has_valid_blocks(&inode_buf))
1813 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1814 release_blocks_proc, NULL);
1816 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1817 LINUX_S_ISDIR(inode_buf.i_mode));
1821 void do_kill_file(int argc, char *argv[])
1823 ext2_ino_t inode_num;
1825 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1828 kill_file_by_inode(inode_num);
1831 void do_rm(int argc, char *argv[])
1834 ext2_ino_t inode_num;
1835 struct ext2_inode inode;
1837 if (common_args_process(argc, argv, 2, 2, "rm",
1838 "<filename>", CHECK_FS_RW))
1841 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1843 com_err(argv[0], retval, "while trying to resolve filename");
1847 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1850 if (LINUX_S_ISDIR(inode.i_mode)) {
1851 com_err(argv[0], 0, "file is a directory");
1855 --inode.i_links_count;
1856 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1859 unlink_file_by_name(argv[1]);
1860 if (inode.i_links_count == 0)
1861 kill_file_by_inode(inode_num);
1869 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1870 int entry EXT2FS_ATTR((unused)),
1871 struct ext2_dir_entry *dirent,
1872 int offset EXT2FS_ATTR((unused)),
1873 int blocksize EXT2FS_ATTR((unused)),
1874 char *buf EXT2FS_ATTR((unused)),
1877 struct rd_struct *rds = (struct rd_struct *) private;
1879 if (dirent->inode == 0)
1881 if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
1883 if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') &&
1884 (dirent->name[1] == '.')) {
1885 rds->parent = dirent->inode;
1892 void do_rmdir(int argc, char *argv[])
1895 ext2_ino_t inode_num;
1896 struct ext2_inode inode;
1897 struct rd_struct rds;
1899 if (common_args_process(argc, argv, 2, 2, "rmdir",
1900 "<filename>", CHECK_FS_RW))
1903 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1905 com_err(argv[0], retval, "while trying to resolve filename");
1909 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1912 if (!LINUX_S_ISDIR(inode.i_mode)) {
1913 com_err(argv[0], 0, "file is not a directory");
1920 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1921 0, rmdir_proc, &rds);
1923 com_err(argv[0], retval, "while iterating over directory");
1926 if (rds.empty == 0) {
1927 com_err(argv[0], 0, "directory not empty");
1931 inode.i_links_count = 0;
1932 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1935 unlink_file_by_name(argv[1]);
1936 kill_file_by_inode(inode_num);
1939 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1941 if (inode.i_links_count > 1)
1942 inode.i_links_count--;
1943 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1948 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1949 char *argv[] EXT2FS_ATTR((unused)))
1954 fprintf(out, "Open mode: read-%s\n",
1955 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1956 fprintf(out, "Filesystem in use: %s\n",
1957 current_fs ? current_fs->device_name : "--none--");
1960 void do_expand_dir(int argc, char *argv[])
1965 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1968 retval = ext2fs_expand_dir(current_fs, inode);
1970 com_err("ext2fs_expand_dir", retval, 0);
1974 void do_features(int argc, char *argv[])
1978 if (check_fs_open(argv[0]))
1981 if ((argc != 1) && check_fs_read_write(argv[0]))
1983 for (i=1; i < argc; i++) {
1984 if (e2p_edit_feature(argv[i],
1985 ¤t_fs->super->s_feature_compat, 0))
1986 com_err(argv[0], 0, "Unknown feature: %s\n",
1989 ext2fs_mark_super_dirty(current_fs);
1991 print_features(current_fs->super, stdout);
1994 void do_bmap(int argc, char *argv[])
2001 if (common_args_process(argc, argv, 3, 3, argv[0],
2002 "<file> logical_blk", 0))
2005 ino = string_to_inode(argv[1]);
2008 blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
2010 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
2012 com_err("argv[0]", errcode,
2013 "while mapping logical block %llu\n", blk);
2016 printf("%llu\n", pblk);
2019 void do_imap(int argc, char *argv[])
2022 unsigned long group, block, block_nr, offset;
2024 if (common_args_process(argc, argv, 2, 2, argv[0],
2027 ino = string_to_inode(argv[1]);
2031 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
2032 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
2033 EXT2_INODE_SIZE(current_fs->super);
2034 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
2035 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
2036 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2040 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
2042 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2044 printf("Inode %d is part of block group %lu\n"
2045 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2050 void do_set_current_time(int argc, char *argv[])
2054 if (common_args_process(argc, argv, 2, 2, argv[0],
2058 now = string_to_time(argv[1]);
2059 if (now == ((time_t) -1)) {
2060 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2065 printf("Setting current time to %s\n", time_to_string(now));
2066 current_fs->now = now;
2070 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2072 int compat, bit, ret;
2073 unsigned int feature_mask;
2076 if (feature_type == E2P_FS_FEATURE)
2077 ret = e2p_string2feature(name, &compat, &feature_mask);
2079 ret = e2p_jrnl_string2feature(name, &compat,
2084 if (!(supp[compat] & feature_mask))
2087 for (compat = 0; compat < 3; compat++) {
2088 for (bit = 0, feature_mask = 1; bit < 32;
2089 bit++, feature_mask <<= 1) {
2090 if (supp[compat] & feature_mask) {
2091 if (feature_type == E2P_FS_FEATURE)
2092 fprintf(stdout, " %s",
2093 e2p_feature2string(compat,
2096 fprintf(stdout, " %s",
2097 e2p_jrnl_feature2string(compat,
2102 fprintf(stdout, "\n");
2108 void do_supported_features(int argc, char *argv[])
2111 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2112 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2113 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2114 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2115 JFS_KNOWN_INCOMPAT_FEATURES,
2116 JFS_KNOWN_ROCOMPAT_FEATURES };
2119 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2121 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2125 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2127 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2129 fprintf(stdout, "Supported features:");
2130 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2131 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2135 void do_punch(int argc, char *argv[])
2142 if (common_args_process(argc, argv, 3, 4, argv[0],
2143 "<file> start_blk [end_blk]",
2144 CHECK_FS_RW | CHECK_FS_BITMAPS))
2147 ino = string_to_inode(argv[1]);
2150 start = parse_ulong(argv[2], argv[0], "logical_block", &err);
2152 end = parse_ulong(argv[3], argv[0], "logical_block", &err);
2156 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2159 com_err(argv[0], errcode,
2160 "while truncating inode %u from %llu to %llu\n", ino,
2161 (unsigned long long) start, (unsigned long long) end);
2166 void do_dump_mmp(int argc, char *argv[])
2168 struct ext2_super_block *sb = current_fs->super;
2169 struct mmp_struct *mmp_s;
2171 errcode_t retval = 0;
2173 if (sb->s_mmp_block <= sb->s_first_data_block ||
2174 sb->s_mmp_block >= ext2fs_blocks_count(sb)) {
2175 com_err(argv[0], EXT2_ET_MMP_BAD_BLOCK, "while dumping it.\n");
2179 if (current_fs->mmp_buf == NULL) {
2180 retval = ext2fs_get_mem(current_fs->blocksize,
2181 ¤t_fs->mmp_buf);
2183 com_err(argv[0], retval, "allocating MMP buffer.\n");
2188 mmp_s = current_fs->mmp_buf;
2190 retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block,
2191 current_fs->mmp_buf);
2193 com_err(argv[0], retval, "reading MMP block.\n");
2197 t = mmp_s->mmp_time;
2198 fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
2199 fprintf(stdout, "update_interval: %d\n",
2200 current_fs->super->s_mmp_update_interval);
2201 fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2202 fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2203 fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
2204 fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
2205 fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
2208 static int source_file(const char *cmd_file, int sci_idx)
2213 int exit_status = 0;
2216 if (strcmp(cmd_file, "-") == 0)
2219 f = fopen(cmd_file, "r");
2227 setbuf(stdout, NULL);
2228 setbuf(stderr, NULL);
2230 if (fgets(buf, sizeof(buf), f) == NULL)
2232 cp = strchr(buf, '\n');
2235 cp = strchr(buf, '\r');
2238 printf("debugfs: %s\n", buf);
2239 retval = ss_execute_line(sci_idx, buf);
2241 ss_perror(sci_idx, retval, buf);
2250 int main(int argc, char **argv)
2254 const char *usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
2256 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2258 int exit_status = 0;
2260 blk64_t superblock = 0;
2261 blk64_t blocksize = 0;
2262 int catastrophic = 0;
2263 char *data_filename = 0;
2265 if (debug_prog_name == 0)
2266 debug_prog_name = "debugfs";
2268 add_error_table(&et_ext2_error_table);
2269 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2270 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2272 while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:D")) != EOF) {
2281 data_filename = optarg;
2284 open_flags |= EXT2_FLAG_IMAGE_FILE;
2287 open_flags |= EXT2_FLAG_RW;
2290 open_flags |= EXT2_FLAG_DIRECT_IO;
2293 blocksize = parse_ulong(optarg, argv[0],
2297 superblock = parse_ulong(optarg, argv[0],
2298 "superblock number", 0);
2304 /* Print version number and exit */
2305 fprintf(stderr, "\tUsing %s\n",
2306 error_message(EXT2_ET_BASE));
2309 com_err(argv[0], 0, usage, debug_prog_name);
2314 open_filesystem(argv[optind], open_flags,
2315 superblock, blocksize, catastrophic,
2318 sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2319 &debug_cmds, &retval);
2321 ss_perror(sci_idx, retval, "creating invocation");
2324 ss_get_readline(sci_idx);
2326 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2328 ss_perror(sci_idx, retval, "adding standard requests");
2332 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2334 ss_perror(sci_idx, retval, "adding extra requests");
2339 retval = ss_execute_line(sci_idx, request);
2341 ss_perror(sci_idx, retval, request);
2344 } else if (cmd_file) {
2345 exit_status = source_file(cmd_file, sci_idx);
2350 ss_delete_invocation(sci_idx);
2355 remove_error_table(&et_ext2_error_table);