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;
146 open_flags |= EXT2_FLAG_RW;
147 #endif /* READ_ONLY */
150 open_flags |= EXT2_FLAG_FORCE;
153 open_flags |= EXT2_FLAG_EXCLUSIVE;
159 data_filename = optarg;
162 open_flags |= EXT2_FLAG_DIRECT_IO;
165 blocksize = parse_ulong(optarg, argv[0],
171 superblock = parse_ulong(optarg, argv[0],
172 "superblock number", &err);
180 if (optind != argc-1) {
183 if (check_fs_not_open(argv[0]))
185 open_filesystem(argv[optind], open_flags,
186 superblock, blocksize, catastrophic,
191 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] [-c] "
195 "<device>\n", argv[0]);
198 void do_lcd(int argc, char **argv)
201 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
205 if (chdir(argv[1]) == -1) {
206 com_err(argv[0], errno,
207 "while trying to change native directory to %s",
213 static void close_filesystem(NOARGS)
217 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
218 retval = ext2fs_write_inode_bitmap(current_fs);
220 com_err("ext2fs_write_inode_bitmap", retval, 0);
222 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
223 retval = ext2fs_write_block_bitmap(current_fs);
225 com_err("ext2fs_write_block_bitmap", retval, 0);
227 retval = ext2fs_close(current_fs);
229 com_err("ext2fs_close", retval, 0);
234 void do_close_filesys(int argc, char **argv)
238 if (check_fs_open(argv[0]))
242 while ((c = getopt (argc, argv, "a")) != EOF) {
245 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
254 com_err(0, 0, "Usage: close_filesys [-a]");
262 void do_init_filesys(int argc, char **argv)
264 struct ext2_super_block param;
268 if (common_args_process(argc, argv, 3, 3, "initialize",
269 "<device> <blocksize>", CHECK_FS_NOTOPEN))
272 memset(¶m, 0, sizeof(struct ext2_super_block));
273 ext2fs_blocks_count_set(¶m, parse_ulong(argv[2], argv[0],
274 "blocks count", &err));
277 retval = ext2fs_initialize(argv[1], 0, ¶m,
278 unix_io_manager, ¤t_fs);
280 com_err(argv[1], retval, "while initializing filesystem");
284 root = cwd = EXT2_ROOT_INO;
287 #endif /* READ_ONLY */
289 static void print_features(struct ext2_super_block * s, FILE *f)
292 __u32 *mask = &s->s_feature_compat, m;
294 fputs("Filesystem features:", f);
295 for (i=0; i <3; i++,mask++) {
296 for (j=0,m=1; j < 32; j++, m<<=1) {
298 fprintf(f, " %s", e2p_feature2string(i, m));
308 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
309 const char *str, int *first, FILE *f)
311 if (ext2fs_bg_flags_test(fs, group, mask)) {
321 void do_show_super_stats(int argc, char *argv[])
323 const char *units ="block";
326 int c, header_only = 0;
327 int numdirs = 0, first, gdt_csum;
330 while ((c = getopt (argc, argv, "h")) != EOF) {
339 if (optind != argc) {
342 if (check_fs_open(argv[0]))
346 if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
347 EXT4_FEATURE_RO_COMPAT_BIGALLOC))
350 list_super2(current_fs->super, out);
351 for (i=0; i < current_fs->group_desc_count; i++)
352 numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
353 fprintf(out, "Directories: %d\n", numdirs);
360 gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
361 EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
362 for (i = 0; i < current_fs->group_desc_count; i++) {
363 fprintf(out, " Group %2d: block bitmap at %llu, "
364 "inode bitmap at %llu, "
365 "inode table at %llu\n"
369 i, ext2fs_block_bitmap_loc(current_fs, i),
370 ext2fs_inode_bitmap_loc(current_fs, i),
371 ext2fs_inode_table_loc(current_fs, i),
372 ext2fs_bg_free_blocks_count(current_fs, i), units,
373 ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
375 ext2fs_bg_free_inodes_count(current_fs, i),
376 ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
378 ext2fs_bg_used_dirs_count(current_fs, i),
379 ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
380 : "directory", gdt_csum ? ", " : "\n");
382 fprintf(out, "%u unused %s\n",
383 ext2fs_bg_itable_unused(current_fs, i),
384 ext2fs_bg_itable_unused(current_fs, i) != 1 ?
387 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
389 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
392 fprintf(out, "%sChecksum 0x%04x",
393 first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
402 fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
406 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
407 char **argv EXT2FS_ATTR((unused)))
409 if (check_fs_open(argv[0]))
411 if (check_fs_read_write(argv[0]))
414 if (argv[1] && !strcmp(argv[1], "-clean"))
415 current_fs->super->s_state |= EXT2_VALID_FS;
417 current_fs->super->s_state &= ~EXT2_VALID_FS;
418 ext2fs_mark_super_dirty(current_fs);
420 #endif /* READ_ONLY */
422 struct list_blocks_struct {
425 blk64_t first_block, last_block;
426 e2_blkcnt_t first_bcnt, last_bcnt;
430 static void finish_range(struct list_blocks_struct *lb)
432 if (lb->first_block == 0)
437 fprintf(lb->f, ", ");
438 if (lb->first_block == lb->last_block)
439 fprintf(lb->f, "(%lld):%llu",
440 (long long)lb->first_bcnt, lb->first_block);
442 fprintf(lb->f, "(%lld-%lld):%llu-%llu",
443 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
444 lb->first_block, lb->last_block);
448 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
449 blk64_t *blocknr, e2_blkcnt_t blockcnt,
450 blk64_t ref_block EXT2FS_ATTR((unused)),
451 int ref_offset EXT2FS_ATTR((unused)),
454 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
459 * See if we can add on to the existing range (if it exists)
461 if (lb->first_block &&
462 (lb->last_block+1 == *blocknr) &&
463 (lb->last_bcnt+1 == blockcnt)) {
464 lb->last_block = *blocknr;
465 lb->last_bcnt = blockcnt;
472 lb->first_block = lb->last_block = *blocknr;
473 lb->first_bcnt = lb->last_bcnt = blockcnt;
477 * Not a normal block. Always force a new range.
483 fprintf(lb->f, ", ");
485 fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
486 else if (blockcnt == -2)
487 fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
488 else if (blockcnt == -3)
489 fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
493 static void dump_xattr_string(FILE *out, const char *str, int len)
498 /* check: is string "printable enough?" */
499 for (i = 0; i < len; i++)
503 if (printable <= len*7/8)
506 for (i = 0; i < len; i++)
508 fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
509 (unsigned char)str[i]);
511 fprintf(out, "%02x ", (unsigned char)str[i]);
514 static void internal_dump_inode_extra(FILE *out,
515 const char *prefix EXT2FS_ATTR((unused)),
516 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
517 struct ext2_inode_large *inode)
519 struct ext2_ext_attr_entry *entry;
522 unsigned int storage_size;
524 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
525 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
526 EXT2_GOOD_OLD_INODE_SIZE) {
527 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
528 inode->i_extra_isize);
531 storage_size = EXT2_INODE_SIZE(current_fs->super) -
532 EXT2_GOOD_OLD_INODE_SIZE -
533 inode->i_extra_isize;
534 magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
535 inode->i_extra_isize);
536 if (*magic == EXT2_EXT_ATTR_MAGIC) {
537 fprintf(out, "Extended attributes stored in inode body: \n");
538 end = (char *) inode + EXT2_INODE_SIZE(current_fs->super);
539 start = (char *) magic + sizeof(__u32);
540 entry = (struct ext2_ext_attr_entry *) start;
541 while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
542 struct ext2_ext_attr_entry *next =
543 EXT2_EXT_ATTR_NEXT(entry);
544 if (entry->e_value_size > storage_size ||
545 (char *) next >= end) {
546 fprintf(out, "invalid EA entry in inode\n");
550 dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry),
552 fprintf(out, " = \"");
553 dump_xattr_string(out, start + entry->e_value_offs,
554 entry->e_value_size);
555 fprintf(out, "\" (%u)\n", entry->e_value_size);
561 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
563 struct list_blocks_struct lb;
565 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
570 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
571 list_blocks_proc, (void *)&lb);
574 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
578 static int int_log10(unsigned long long arg)
590 #define DUMP_LEAF_EXTENTS 0x01
591 #define DUMP_NODE_EXTENTS 0x02
592 #define DUMP_EXTENT_TABLE 0x04
594 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
595 int flags, int logical_width, int physical_width)
597 ext2_extent_handle_t handle;
598 struct ext2fs_extent extent;
599 struct ext2_extent_info info;
600 int op = EXT2_EXTENT_ROOT;
601 unsigned int printed = 0;
604 errcode = ext2fs_extent_open(current_fs, ino, &handle);
608 if (flags & DUMP_EXTENT_TABLE)
609 fprintf(f, "Level Entries %*s %*s Length Flags\n",
610 (logical_width*2)+3, "Logical",
611 (physical_width*2)+3, "Physical");
613 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
616 errcode = ext2fs_extent_get(handle, op, &extent);
621 op = EXT2_EXTENT_NEXT;
623 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
626 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
627 if ((flags & DUMP_LEAF_EXTENTS) == 0)
630 if ((flags & DUMP_NODE_EXTENTS) == 0)
634 errcode = ext2fs_extent_get_info(handle, &info);
638 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
639 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
642 if (flags & DUMP_EXTENT_TABLE) {
643 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
645 info.curr_level, info.max_depth,
646 info.curr_entry, info.num_entries,
650 extent.e_lblk + (extent.e_len - 1),
653 physical_width+3, "", extent.e_len);
657 fprintf(f, "%s(ETB%d):%lld",
658 printed ? ", " : "", info.curr_level,
664 if (flags & DUMP_EXTENT_TABLE) {
665 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
666 "%*llu - %*llu %6u %s\n",
667 info.curr_level, info.max_depth,
668 info.curr_entry, info.num_entries,
672 extent.e_lblk + (extent.e_len - 1),
676 extent.e_pblk + (extent.e_len - 1),
678 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
683 if (extent.e_len == 0)
685 else if (extent.e_len == 1)
690 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
695 "%s(%lld-%lld%s):%lld-%lld",
698 extent.e_lblk + (extent.e_len - 1),
699 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
702 extent.e_pblk + (extent.e_len - 1));
709 void internal_dump_inode(FILE *out, const char *prefix,
710 ext2_ino_t inode_num, struct ext2_inode *inode,
715 int os = current_fs->super->s_creator_os;
716 struct ext2_inode_large *large_inode;
717 int is_large_inode = 0;
719 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
721 large_inode = (struct ext2_inode_large *) inode;
723 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
724 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
725 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
726 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
727 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
728 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
729 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
730 else i_type = "bad type";
731 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
732 fprintf(out, "%sMode: %04o Flags: 0x%x\n",
733 prefix, inode->i_mode & 0777, inode->i_flags);
734 if (is_large_inode && large_inode->i_extra_isize >= 24) {
735 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
736 prefix, inode->i_generation, large_inode->i_version_hi,
737 inode->osd1.linux1.l_i_version);
739 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
740 inode->i_generation, inode->osd1.linux1.l_i_version);
742 fprintf(out, "%sUser: %5d Group: %5d Size: ",
743 prefix, inode_uid(*inode), inode_gid(*inode));
744 if (LINUX_S_ISREG(inode->i_mode))
745 fprintf(out, "%llu\n", EXT2_I_SIZE(inode));
747 fprintf(out, "%d\n", inode->i_size);
748 if (os == EXT2_OS_HURD)
750 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
752 inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
753 inode->osd1.hurd1.h_i_translator);
755 fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
757 inode->i_file_acl | ((long long)
758 (inode->osd2.linux2.l_i_file_acl_high) << 32),
759 LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
760 if (os == EXT2_OS_LINUX)
761 fprintf(out, "%sLinks: %d Blockcount: %llu\n",
762 prefix, inode->i_links_count,
763 (((unsigned long long)
764 inode->osd2.linux2.l_i_blocks_hi << 32)) +
767 fprintf(out, "%sLinks: %d Blockcount: %u\n",
768 prefix, inode->i_links_count, inode->i_blocks);
771 frag = inode->osd2.hurd2.h_i_frag;
772 fsize = inode->osd2.hurd2.h_i_fsize;
777 fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
778 prefix, inode->i_faddr, frag, fsize);
779 if (is_large_inode && large_inode->i_extra_isize >= 24) {
780 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
781 inode->i_ctime, large_inode->i_ctime_extra,
782 time_to_string(inode->i_ctime));
783 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
784 inode->i_atime, large_inode->i_atime_extra,
785 time_to_string(inode->i_atime));
786 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
787 inode->i_mtime, large_inode->i_mtime_extra,
788 time_to_string(inode->i_mtime));
789 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
790 large_inode->i_crtime, large_inode->i_crtime_extra,
791 time_to_string(large_inode->i_crtime));
793 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
794 time_to_string(inode->i_ctime));
795 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
796 time_to_string(inode->i_atime));
797 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
798 time_to_string(inode->i_mtime));
801 fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
802 time_to_string(inode->i_dtime));
803 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
804 internal_dump_inode_extra(out, prefix, inode_num,
805 (struct ext2_inode_large *) inode);
806 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
807 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
808 (int) inode->i_size, (char *)inode->i_block);
809 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
813 if (inode->i_block[0]) {
814 major = (inode->i_block[0] >> 8) & 255;
815 minor = inode->i_block[0] & 255;
818 major = (inode->i_block[1] & 0xfff00) >> 8;
819 minor = ((inode->i_block[1] & 0xff) |
820 ((inode->i_block[1] >> 12) & 0xfff00));
821 devnote = "(New-style) ";
823 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
824 devnote, major, minor, major, minor);
825 } else if (do_dump_blocks) {
826 if (inode->i_flags & EXT4_EXTENTS_FL)
827 dump_extents(out, prefix, inode_num,
828 DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
830 dump_blocks(out, prefix, inode_num);
834 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
839 internal_dump_inode(out, "", inode_num, inode, 1);
843 void do_stat(int argc, char *argv[])
846 struct ext2_inode * inode_buf;
848 if (check_fs_open(argv[0]))
851 inode_buf = (struct ext2_inode *)
852 malloc(EXT2_INODE_SIZE(current_fs->super));
854 fprintf(stderr, "do_stat: can't allocate buffer\n");
858 if (common_inode_args_process(argc, argv, &inode, 0)) {
863 if (debugfs_read_inode_full(inode, inode_buf, argv[0],
864 EXT2_INODE_SIZE(current_fs->super))) {
869 dump_inode(inode, inode_buf);
874 void do_dump_extents(int argc, char **argv)
876 struct ext2_inode inode;
884 while ((c = getopt(argc, argv, "nl")) != EOF) {
887 flags |= DUMP_NODE_EXTENTS;
890 flags |= DUMP_LEAF_EXTENTS;
895 if (argc != optind + 1) {
896 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
901 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
902 flags |= DUMP_EXTENT_TABLE;
904 if (check_fs_open(argv[0]))
907 ino = string_to_inode(argv[optind]);
911 if (debugfs_read_inode(ino, &inode, argv[0]))
914 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
915 fprintf(stderr, "%s: does not uses extent block maps\n",
920 logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
921 current_fs->blocksize) + 1;
922 if (logical_width < 5)
924 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
925 if (physical_width < 5)
929 dump_extents(out, "", ino, flags, logical_width, physical_width);
934 static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
936 e2_blkcnt_t blockcnt,
937 blk64_t ref_block EXT2FS_ATTR((unused)),
938 int ref_offset EXT2FS_ATTR((unused)),
939 void *private EXT2FS_ATTR((unused)))
941 printf("%llu ", *blocknr);
945 void do_blocks(int argc, char *argv[])
949 if (check_fs_open(argv[0]))
952 if (common_inode_args_process(argc, argv, &inode, 0)) {
956 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
957 print_blocks_proc, NULL);
962 void do_chroot(int argc, char *argv[])
967 if (common_inode_args_process(argc, argv, &inode, 0))
970 retval = ext2fs_check_directory(current_fs, inode);
972 com_err(argv[1], retval, 0);
979 void do_clri(int argc, char *argv[])
982 struct ext2_inode inode_buf;
984 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
987 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
989 memset(&inode_buf, 0, sizeof(inode_buf));
990 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
994 void do_freei(int argc, char *argv[])
998 if (common_inode_args_process(argc, argv, &inode,
999 CHECK_FS_RW | CHECK_FS_BITMAPS))
1002 if (!ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1003 com_err(argv[0], 0, "Warning: inode already clear");
1004 ext2fs_unmark_inode_bitmap2(current_fs->inode_map,inode);
1005 ext2fs_mark_ib_dirty(current_fs);
1008 void do_seti(int argc, char *argv[])
1012 if (common_inode_args_process(argc, argv, &inode,
1013 CHECK_FS_RW | CHECK_FS_BITMAPS))
1016 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1017 com_err(argv[0], 0, "Warning: inode already set");
1018 ext2fs_mark_inode_bitmap2(current_fs->inode_map,inode);
1019 ext2fs_mark_ib_dirty(current_fs);
1021 #endif /* READ_ONLY */
1023 void do_testi(int argc, char *argv[])
1027 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
1030 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
1031 printf("Inode %u is marked in use\n", inode);
1033 printf("Inode %u is not in use\n", inode);
1037 void do_freeb(int argc, char *argv[])
1042 if (common_block_args_process(argc, argv, &block, &count))
1044 if (check_fs_read_write(argv[0]))
1046 while (count-- > 0) {
1047 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1048 com_err(argv[0], 0, "Warning: block %llu already clear",
1050 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1053 ext2fs_mark_bb_dirty(current_fs);
1056 void do_setb(int argc, char *argv[])
1061 if (common_block_args_process(argc, argv, &block, &count))
1063 if (check_fs_read_write(argv[0]))
1065 while (count-- > 0) {
1066 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1067 com_err(argv[0], 0, "Warning: block %llu already set",
1069 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1072 ext2fs_mark_bb_dirty(current_fs);
1074 #endif /* READ_ONLY */
1076 void do_testb(int argc, char *argv[])
1081 if (common_block_args_process(argc, argv, &block, &count))
1083 while (count-- > 0) {
1084 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1085 printf("Block %llu marked in use\n", block);
1087 printf("Block %llu not in use\n", block);
1093 static void modify_u8(char *com, const char *prompt,
1094 const char *format, __u8 *val)
1100 sprintf(buf, format, *val);
1101 printf("%30s [%s] ", prompt, buf);
1102 if (!fgets(buf, sizeof(buf), stdin))
1104 if (buf[strlen (buf) - 1] == '\n')
1105 buf[strlen (buf) - 1] = '\0';
1108 v = strtoul(buf, &tmp, 0);
1110 com_err(com, 0, "Bad value - %s", buf);
1115 static void modify_u16(char *com, const char *prompt,
1116 const char *format, __u16 *val)
1122 sprintf(buf, format, *val);
1123 printf("%30s [%s] ", prompt, buf);
1124 if (!fgets(buf, sizeof(buf), stdin))
1126 if (buf[strlen (buf) - 1] == '\n')
1127 buf[strlen (buf) - 1] = '\0';
1130 v = strtoul(buf, &tmp, 0);
1132 com_err(com, 0, "Bad value - %s", buf);
1137 static void modify_u32(char *com, const char *prompt,
1138 const char *format, __u32 *val)
1144 sprintf(buf, format, *val);
1145 printf("%30s [%s] ", prompt, buf);
1146 if (!fgets(buf, sizeof(buf), stdin))
1148 if (buf[strlen (buf) - 1] == '\n')
1149 buf[strlen (buf) - 1] = '\0';
1152 v = strtoul(buf, &tmp, 0);
1154 com_err(com, 0, "Bad value - %s", buf);
1160 void do_modify_inode(int argc, char *argv[])
1162 struct ext2_inode inode;
1163 ext2_ino_t inode_num;
1165 unsigned char *frag, *fsize;
1168 const char *hex_format = "0x%x";
1169 const char *octal_format = "0%o";
1170 const char *decimal_format = "%d";
1171 const char *unsignedlong_format = "%lu";
1173 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1176 os = current_fs->super->s_creator_os;
1178 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1181 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1182 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1183 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1184 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1185 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1186 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1187 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1188 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1189 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1190 if (os == EXT2_OS_LINUX)
1191 modify_u16(argv[0], "Block count high", unsignedlong_format,
1192 &inode.osd2.linux2.l_i_blocks_hi);
1193 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1194 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1195 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1197 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1199 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1200 if (LINUX_S_ISDIR(inode.i_mode))
1201 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1203 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1205 if (os == EXT2_OS_HURD)
1206 modify_u32(argv[0], "Translator Block",
1207 decimal_format, &inode.osd1.hurd1.h_i_translator);
1209 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1212 frag = &inode.osd2.hurd2.h_i_frag;
1213 fsize = &inode.osd2.hurd2.h_i_fsize;
1219 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1221 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1223 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1224 sprintf(buf, "Direct Block #%d", i);
1225 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1227 modify_u32(argv[0], "Indirect Block", decimal_format,
1228 &inode.i_block[EXT2_IND_BLOCK]);
1229 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1230 &inode.i_block[EXT2_DIND_BLOCK]);
1231 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1232 &inode.i_block[EXT2_TIND_BLOCK]);
1233 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1236 #endif /* READ_ONLY */
1238 void do_change_working_dir(int argc, char *argv[])
1243 if (common_inode_args_process(argc, argv, &inode, 0))
1246 retval = ext2fs_check_directory(current_fs, inode);
1248 com_err(argv[1], retval, 0);
1255 void do_print_working_directory(int argc, char *argv[])
1258 char *pathname = NULL;
1260 if (common_args_process(argc, argv, 1, 1,
1261 "print_working_directory", "", 0))
1264 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1266 com_err(argv[0], retval,
1267 "while trying to get pathname of cwd");
1269 printf("[pwd] INODE: %6u PATH: %s\n",
1270 cwd, pathname ? pathname : "NULL");
1275 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1277 com_err(argv[0], retval,
1278 "while trying to get pathname of root");
1280 printf("[root] INODE: %6u PATH: %s\n",
1281 root, pathname ? pathname : "NULL");
1290 * Given a mode, return the ext2 file type
1292 static int ext2_file_type(unsigned int mode)
1294 if (LINUX_S_ISREG(mode))
1295 return EXT2_FT_REG_FILE;
1297 if (LINUX_S_ISDIR(mode))
1300 if (LINUX_S_ISCHR(mode))
1301 return EXT2_FT_CHRDEV;
1303 if (LINUX_S_ISBLK(mode))
1304 return EXT2_FT_BLKDEV;
1306 if (LINUX_S_ISLNK(mode))
1307 return EXT2_FT_SYMLINK;
1309 if (LINUX_S_ISFIFO(mode))
1310 return EXT2_FT_FIFO;
1312 if (LINUX_S_ISSOCK(mode))
1313 return EXT2_FT_SOCK;
1319 static void make_link(char *sourcename, char *destname)
1322 struct ext2_inode inode;
1325 char *dest, *cp, *base_name;
1328 * Get the source inode
1330 ino = string_to_inode(sourcename);
1333 base_name = strrchr(sourcename, '/');
1337 base_name = sourcename;
1339 * Figure out the destination. First see if it exists and is
1342 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1346 * OK, it doesn't exist. See if it is
1347 * '<dir>/basename' or 'basename'
1349 cp = strrchr(destname, '/');
1352 dir = string_to_inode(destname);
1362 if (debugfs_read_inode(ino, &inode, sourcename))
1365 retval = ext2fs_link(current_fs, dir, dest, ino,
1366 ext2_file_type(inode.i_mode));
1368 com_err("make_link", retval, 0);
1373 void do_link(int argc, char *argv[])
1375 if (common_args_process(argc, argv, 3, 3, "link",
1376 "<source file> <dest_name>", CHECK_FS_RW))
1379 make_link(argv[1], argv[2]);
1382 static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1383 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1384 blk64_t ref_block EXT2FS_ATTR((unused)),
1385 int ref_offset EXT2FS_ATTR((unused)),
1386 void *private EXT2FS_ATTR((unused)))
1391 ext2fs_block_alloc_stats2(fs, block, +1);
1395 void do_undel(int argc, char *argv[])
1398 struct ext2_inode inode;
1400 if (common_args_process(argc, argv, 2, 3, "undelete",
1401 "<inode_num> [dest_name]",
1402 CHECK_FS_RW | CHECK_FS_BITMAPS))
1405 ino = string_to_inode(argv[1]);
1409 if (debugfs_read_inode(ino, &inode, argv[1]))
1412 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1413 com_err(argv[1], 0, "Inode is not marked as deleted");
1418 * XXX this function doesn't handle changing the links count on the
1419 * parent directory when undeleting a directory.
1421 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1424 if (debugfs_write_inode(ino, &inode, argv[0]))
1427 ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1428 mark_blocks_proc, NULL);
1430 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1433 make_link(argv[1], argv[2]);
1436 static void unlink_file_by_name(char *filename)
1442 base_name = strrchr(filename, '/');
1444 *base_name++ = '\0';
1445 dir = string_to_inode(filename);
1450 base_name = filename;
1452 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1454 com_err("unlink_file_by_name", retval, 0);
1458 void do_unlink(int argc, char *argv[])
1460 if (common_args_process(argc, argv, 2, 2, "link",
1461 "<pathname>", CHECK_FS_RW))
1464 unlink_file_by_name(argv[1]);
1466 #endif /* READ_ONLY */
1468 void do_find_free_block(int argc, char *argv[])
1470 blk64_t free_blk, goal, first_free = 0;
1475 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1476 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1479 if (check_fs_open(argv[0]))
1483 count = strtol(argv[1],&tmp,0);
1485 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1492 goal = strtol(argv[2], &tmp, 0);
1494 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1499 goal = current_fs->super->s_first_data_block;
1501 printf("Free blocks found: ");
1502 free_blk = goal - 1;
1503 while (count-- > 0) {
1504 retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
1507 if (first_free == free_blk)
1510 first_free = free_blk;
1512 com_err("ext2fs_new_block", retval, 0);
1515 printf("%llu ", free_blk);
1520 void do_find_free_inode(int argc, char *argv[])
1522 ext2_ino_t free_inode, dir;
1527 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1528 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1531 if (check_fs_open(argv[0]))
1535 dir = strtol(argv[1], &tmp, 0);
1537 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1544 mode = strtol(argv[2], &tmp, 0);
1546 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1552 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1554 com_err("ext2fs_new_inode", retval, 0);
1556 printf("Free inode found: %u\n", free_inode);
1560 static errcode_t copy_file(int fd, ext2_ino_t newfile)
1562 ext2_file_t e2_file;
1565 unsigned int written;
1569 retval = ext2fs_file_open(current_fs, newfile,
1570 EXT2_FILE_WRITE, &e2_file);
1575 got = read(fd, buf, sizeof(buf));
1584 retval = ext2fs_file_write(e2_file, ptr,
1593 retval = ext2fs_file_close(e2_file);
1597 (void) ext2fs_file_close(e2_file);
1602 void do_write(int argc, char *argv[])
1605 struct stat statbuf;
1608 struct ext2_inode inode;
1610 if (common_args_process(argc, argv, 3, 3, "write",
1611 "<native file> <new file>", CHECK_FS_RW))
1614 fd = open(argv[1], O_RDONLY);
1616 com_err(argv[1], errno, 0);
1619 if (fstat(fd, &statbuf) < 0) {
1620 com_err(argv[1], errno, 0);
1625 retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
1627 com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
1632 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1634 com_err(argv[0], retval, 0);
1638 printf("Allocated inode: %u\n", newfile);
1639 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1641 if (retval == EXT2_ET_DIR_NO_SPACE) {
1642 retval = ext2fs_expand_dir(current_fs, cwd);
1644 com_err(argv[0], retval, "while expanding directory");
1648 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1652 com_err(argv[2], retval, 0);
1656 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1657 com_err(argv[0], 0, "Warning: inode already set");
1658 ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1659 memset(&inode, 0, sizeof(inode));
1660 inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
1661 inode.i_atime = inode.i_ctime = inode.i_mtime =
1662 current_fs->now ? current_fs->now : time(0);
1663 inode.i_links_count = 1;
1664 inode.i_size = statbuf.st_size;
1665 if (current_fs->super->s_feature_incompat &
1666 EXT3_FEATURE_INCOMPAT_EXTENTS)
1667 inode.i_flags |= EXT4_EXTENTS_FL;
1668 if (debugfs_write_new_inode(newfile, &inode, argv[0])) {
1672 if (LINUX_S_ISREG(inode.i_mode)) {
1673 retval = copy_file(fd, newfile);
1675 com_err("copy_file", retval, 0);
1680 void do_mknod(int argc, char *argv[])
1682 unsigned long mode, major, minor;
1685 struct ext2_inode inode;
1688 if (check_fs_open(argv[0]))
1690 if (argc < 3 || argv[2][1]) {
1692 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1695 mode = minor = major = 0;
1696 switch (argv[2][0]) {
1698 mode = LINUX_S_IFIFO;
1699 filetype = EXT2_FT_FIFO;
1703 mode = LINUX_S_IFCHR;
1704 filetype = EXT2_FT_CHRDEV;
1708 mode = LINUX_S_IFBLK;
1709 filetype = EXT2_FT_BLKDEV;
1717 major = strtoul(argv[3], argv+3, 0);
1718 minor = strtoul(argv[4], argv+4, 0);
1719 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1724 if (check_fs_read_write(argv[0]))
1726 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1728 com_err(argv[0], retval, 0);
1731 printf("Allocated inode: %u\n", newfile);
1732 retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
1733 if (retval == EXT2_ET_DIR_NO_SPACE) {
1734 retval = ext2fs_expand_dir(current_fs, cwd);
1736 com_err(argv[0], retval, "while expanding directory");
1739 retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
1743 com_err(argv[1], retval, 0);
1746 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1747 com_err(argv[0], 0, "Warning: inode already set");
1748 ext2fs_mark_inode_bitmap2(current_fs->inode_map, newfile);
1749 ext2fs_mark_ib_dirty(current_fs);
1750 memset(&inode, 0, sizeof(inode));
1751 inode.i_mode = mode;
1752 inode.i_atime = inode.i_ctime = inode.i_mtime =
1753 current_fs->now ? current_fs->now : time(0);
1754 if ((major < 256) && (minor < 256)) {
1755 inode.i_block[0] = major*256+minor;
1756 inode.i_block[1] = 0;
1758 inode.i_block[0] = 0;
1759 inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
1761 inode.i_links_count = 1;
1762 if (debugfs_write_new_inode(newfile, &inode, argv[0]))
1766 void do_mkdir(int argc, char *argv[])
1773 if (common_args_process(argc, argv, 2, 2, "mkdir",
1774 "<filename>", CHECK_FS_RW))
1777 cp = strrchr(argv[1], '/');
1780 parent = string_to_inode(argv[1]);
1782 com_err(argv[1], ENOENT, 0);
1792 retval = ext2fs_mkdir(current_fs, parent, 0, name);
1793 if (retval == EXT2_ET_DIR_NO_SPACE) {
1794 retval = ext2fs_expand_dir(current_fs, parent);
1796 com_err(argv[0], retval, "while expanding directory");
1802 com_err("ext2fs_mkdir", retval, 0);
1808 static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
1809 e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
1810 blk64_t ref_block EXT2FS_ATTR((unused)),
1811 int ref_offset EXT2FS_ATTR((unused)),
1812 void *private EXT2FS_ATTR((unused)))
1817 ext2fs_block_alloc_stats2(fs, block, -1);
1821 static void kill_file_by_inode(ext2_ino_t inode)
1823 struct ext2_inode inode_buf;
1825 if (debugfs_read_inode(inode, &inode_buf, 0))
1827 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1828 if (debugfs_write_inode(inode, &inode_buf, 0))
1830 if (!ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf))
1833 ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1834 release_blocks_proc, NULL);
1836 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1837 LINUX_S_ISDIR(inode_buf.i_mode));
1841 void do_kill_file(int argc, char *argv[])
1843 ext2_ino_t inode_num;
1845 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1848 kill_file_by_inode(inode_num);
1851 void do_rm(int argc, char *argv[])
1854 ext2_ino_t inode_num;
1855 struct ext2_inode inode;
1857 if (common_args_process(argc, argv, 2, 2, "rm",
1858 "<filename>", CHECK_FS_RW))
1861 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1863 com_err(argv[0], retval, "while trying to resolve filename");
1867 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1870 if (LINUX_S_ISDIR(inode.i_mode)) {
1871 com_err(argv[0], 0, "file is a directory");
1875 --inode.i_links_count;
1876 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1879 unlink_file_by_name(argv[1]);
1880 if (inode.i_links_count == 0)
1881 kill_file_by_inode(inode_num);
1889 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1890 int entry EXT2FS_ATTR((unused)),
1891 struct ext2_dir_entry *dirent,
1892 int offset EXT2FS_ATTR((unused)),
1893 int blocksize EXT2FS_ATTR((unused)),
1894 char *buf EXT2FS_ATTR((unused)),
1897 struct rd_struct *rds = (struct rd_struct *) private;
1899 if (dirent->inode == 0)
1901 if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
1903 if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') &&
1904 (dirent->name[1] == '.')) {
1905 rds->parent = dirent->inode;
1912 void do_rmdir(int argc, char *argv[])
1915 ext2_ino_t inode_num;
1916 struct ext2_inode inode;
1917 struct rd_struct rds;
1919 if (common_args_process(argc, argv, 2, 2, "rmdir",
1920 "<filename>", CHECK_FS_RW))
1923 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1925 com_err(argv[0], retval, "while trying to resolve filename");
1929 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1932 if (!LINUX_S_ISDIR(inode.i_mode)) {
1933 com_err(argv[0], 0, "file is not a directory");
1940 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1941 0, rmdir_proc, &rds);
1943 com_err(argv[0], retval, "while iterating over directory");
1946 if (rds.empty == 0) {
1947 com_err(argv[0], 0, "directory not empty");
1951 inode.i_links_count = 0;
1952 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1955 unlink_file_by_name(argv[1]);
1956 kill_file_by_inode(inode_num);
1959 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1961 if (inode.i_links_count > 1)
1962 inode.i_links_count--;
1963 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1967 #endif /* READ_ONLY */
1969 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1970 char *argv[] EXT2FS_ATTR((unused)))
1975 fprintf(out, "Open mode: read-%s\n",
1976 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1977 fprintf(out, "Filesystem in use: %s\n",
1978 current_fs ? current_fs->device_name : "--none--");
1982 void do_expand_dir(int argc, char *argv[])
1987 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1990 retval = ext2fs_expand_dir(current_fs, inode);
1992 com_err("ext2fs_expand_dir", retval, 0);
1996 void do_features(int argc, char *argv[])
2000 if (check_fs_open(argv[0]))
2003 if ((argc != 1) && check_fs_read_write(argv[0]))
2005 for (i=1; i < argc; i++) {
2006 if (e2p_edit_feature(argv[i],
2007 ¤t_fs->super->s_feature_compat, 0))
2008 com_err(argv[0], 0, "Unknown feature: %s\n",
2011 ext2fs_mark_super_dirty(current_fs);
2013 print_features(current_fs->super, stdout);
2015 #endif /* READ_ONLY */
2017 void do_bmap(int argc, char *argv[])
2024 if (common_args_process(argc, argv, 3, 3, argv[0],
2025 "<file> logical_blk", 0))
2028 ino = string_to_inode(argv[1]);
2031 blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
2033 errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
2035 com_err("argv[0]", errcode,
2036 "while mapping logical block %llu\n", blk);
2039 printf("%llu\n", pblk);
2042 void do_imap(int argc, char *argv[])
2045 unsigned long group, block, block_nr, offset;
2047 if (common_args_process(argc, argv, 2, 2, argv[0],
2050 ino = string_to_inode(argv[1]);
2054 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
2055 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
2056 EXT2_INODE_SIZE(current_fs->super);
2057 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
2058 if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
2059 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2063 block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
2065 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2067 printf("Inode %d is part of block group %lu\n"
2068 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2074 void do_set_current_time(int argc, char *argv[])
2078 if (common_args_process(argc, argv, 2, 2, argv[0],
2082 now = string_to_time(argv[1]);
2083 if (now == ((time_t) -1)) {
2084 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2089 printf("Setting current time to %s\n", time_to_string(now));
2090 current_fs->now = now;
2093 #endif /* READ_ONLY */
2095 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2097 int compat, bit, ret;
2098 unsigned int feature_mask;
2101 if (feature_type == E2P_FS_FEATURE)
2102 ret = e2p_string2feature(name, &compat, &feature_mask);
2104 ret = e2p_jrnl_string2feature(name, &compat,
2109 if (!(supp[compat] & feature_mask))
2112 for (compat = 0; compat < 3; compat++) {
2113 for (bit = 0, feature_mask = 1; bit < 32;
2114 bit++, feature_mask <<= 1) {
2115 if (supp[compat] & feature_mask) {
2116 if (feature_type == E2P_FS_FEATURE)
2117 fprintf(stdout, " %s",
2118 e2p_feature2string(compat,
2121 fprintf(stdout, " %s",
2122 e2p_jrnl_feature2string(compat,
2127 fprintf(stdout, "\n");
2133 void do_supported_features(int argc, char *argv[])
2136 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2137 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2138 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2139 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2140 JFS_KNOWN_INCOMPAT_FEATURES,
2141 JFS_KNOWN_ROCOMPAT_FEATURES };
2144 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2146 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2150 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2152 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2154 fprintf(stdout, "Supported features:");
2155 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2156 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2161 void do_punch(int argc, char *argv[])
2168 if (common_args_process(argc, argv, 3, 4, argv[0],
2169 "<file> start_blk [end_blk]",
2170 CHECK_FS_RW | CHECK_FS_BITMAPS))
2173 ino = string_to_inode(argv[1]);
2176 start = parse_ulong(argv[2], argv[0], "logical_block", &err);
2178 end = parse_ulong(argv[3], argv[0], "logical_block", &err);
2182 errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
2185 com_err(argv[0], errcode,
2186 "while truncating inode %u from %llu to %llu\n", ino,
2187 (unsigned long long) start, (unsigned long long) end);
2191 #endif /* READ_ONLY */
2193 void do_dump_mmp(int argc, char *argv[])
2195 struct ext2_super_block *sb;
2196 struct mmp_struct *mmp_s;
2198 errcode_t retval = 0;
2200 if (check_fs_open(argv[0]))
2203 sb = current_fs->super;
2204 if (sb->s_mmp_block <= sb->s_first_data_block ||
2205 sb->s_mmp_block >= ext2fs_blocks_count(sb)) {
2206 com_err(argv[0], EXT2_ET_MMP_BAD_BLOCK, "while dumping it.\n");
2210 if (current_fs->mmp_buf == NULL) {
2211 retval = ext2fs_get_mem(current_fs->blocksize,
2212 ¤t_fs->mmp_buf);
2214 com_err(argv[0], retval, "allocating MMP buffer.\n");
2219 mmp_s = current_fs->mmp_buf;
2221 retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block,
2222 current_fs->mmp_buf);
2224 com_err(argv[0], retval, "reading MMP block.\n");
2228 t = mmp_s->mmp_time;
2229 fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block);
2230 fprintf(stdout, "update_interval: %d\n",
2231 current_fs->super->s_mmp_update_interval);
2232 fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
2233 fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
2234 fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t));
2235 fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename);
2236 fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname);
2237 fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
2240 static int source_file(const char *cmd_file, int sci_idx)
2245 int exit_status = 0;
2248 if (strcmp(cmd_file, "-") == 0)
2251 f = fopen(cmd_file, "r");
2259 setbuf(stdout, NULL);
2260 setbuf(stderr, NULL);
2262 if (fgets(buf, sizeof(buf), f) == NULL)
2264 cp = strchr(buf, '\n');
2267 cp = strchr(buf, '\r');
2270 printf("debugfs: %s\n", buf);
2271 retval = ss_execute_line(sci_idx, buf);
2273 ss_perror(sci_idx, retval, buf);
2282 int main(int argc, char **argv)
2287 "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
2288 "[-R request] [-V] ["
2294 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS;
2296 int exit_status = 0;
2298 blk64_t superblock = 0;
2299 blk64_t blocksize = 0;
2300 int catastrophic = 0;
2301 char *data_filename = 0;
2303 const char *opt_string = "icR:f:b:s:Vd:D";
2305 const char *opt_string = "iwcR:f:b:s:Vd:D";
2308 if (debug_prog_name == 0)
2310 debug_prog_name = "rdebugfs";
2312 debug_prog_name = "debugfs";
2314 add_error_table(&et_ext2_error_table);
2315 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2316 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2318 while ((c = getopt (argc, argv, opt_string)) != EOF) {
2327 data_filename = optarg;
2330 open_flags |= EXT2_FLAG_IMAGE_FILE;
2334 open_flags |= EXT2_FLAG_RW;
2338 open_flags |= EXT2_FLAG_DIRECT_IO;
2341 blocksize = parse_ulong(optarg, argv[0],
2345 superblock = parse_ulong(optarg, argv[0],
2346 "superblock number", 0);
2352 /* Print version number and exit */
2353 fprintf(stderr, "\tUsing %s\n",
2354 error_message(EXT2_ET_BASE));
2357 com_err(argv[0], 0, usage, debug_prog_name);
2362 open_filesystem(argv[optind], open_flags,
2363 superblock, blocksize, catastrophic,
2366 sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2367 &debug_cmds, &retval);
2369 ss_perror(sci_idx, retval, "creating invocation");
2372 ss_get_readline(sci_idx);
2374 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2376 ss_perror(sci_idx, retval, "adding standard requests");
2380 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2382 ss_perror(sci_idx, retval, "adding extra requests");
2387 retval = ss_execute_line(sci_idx, request);
2389 ss_perror(sci_idx, retval, request);
2392 } else if (cmd_file) {
2393 exit_status = source_file(cmd_file, sci_idx);
2398 ss_delete_invocation(sci_idx);
2403 remove_error_table(&et_ext2_error_table);