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-rw-r--r--debugfs/debugfs.c2682
1 files changed, 2682 insertions, 0 deletions
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
new file mode 100644
index 0000000..9b6321d
--- /dev/null
+++ b/debugfs/debugfs.c
@@ -0,0 +1,2682 @@
+/*
+ * debugfs.c --- a program which allows you to attach an ext2fs
+ * filesystem and play with it.
+ *
+ * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
+ * under the terms of the GNU Public License.
+ *
+ * Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include <time.h>
+#include <libgen.h>
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+extern int optind;
+extern char *optarg;
+#endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <fcntl.h>
+#ifdef HAVE_SYS_SYSMACROS_H
+#include <sys/sysmacros.h>
+#endif
+
+#include "debugfs.h"
+#include "uuid/uuid.h"
+#include "e2p/e2p.h"
+
+#include <ext2fs/ext2_ext_attr.h>
+
+#include "../version.h"
+#include "jfs_user.h"
+#include "support/plausible.h"
+
+#ifndef BUFSIZ
+#define BUFSIZ 8192
+#endif
+
+#ifdef CONFIG_JBD_DEBUG /* Enabled by configure --enable-jbd-debug */
+int journal_enable_debug = -1;
+#endif
+
+/*
+ * There must be only one definition if we're hooking in extra commands or
+ * changing default prompt. Use -DSKIP_GLOBDEF for that.
+ */
+#ifndef SKIP_GLOBDEFS
+ss_request_table *extra_cmds;
+const char *debug_prog_name;
+#endif
+int ss_sci_idx;
+
+ext2_filsys current_fs;
+quota_ctx_t current_qctx;
+ext2_ino_t root, cwd;
+int no_copy_xattrs;
+
+static int debugfs_setup_tdb(const char *device_name, char *undo_file,
+ io_manager *io_ptr)
+{
+ errcode_t retval = ENOMEM;
+ const char *tdb_dir = NULL;
+ char *tdb_file = NULL;
+ char *dev_name, *tmp_name;
+
+ /* (re)open a specific undo file */
+ if (undo_file && undo_file[0] != 0) {
+ retval = set_undo_io_backing_manager(*io_ptr);
+ if (retval)
+ goto err;
+ *io_ptr = undo_io_manager;
+ retval = set_undo_io_backup_file(undo_file);
+ if (retval)
+ goto err;
+ printf("Overwriting existing filesystem; this can be undone "
+ "using the command:\n"
+ " e2undo %s %s\n\n",
+ undo_file, device_name);
+ return retval;
+ }
+
+ /*
+ * Configuration via a conf file would be
+ * nice
+ */
+ tdb_dir = ss_safe_getenv("E2FSPROGS_UNDO_DIR");
+ if (!tdb_dir)
+ tdb_dir = "/var/lib/e2fsprogs";
+
+ if (!strcmp(tdb_dir, "none") || (tdb_dir[0] == 0) ||
+ access(tdb_dir, W_OK))
+ return 0;
+
+ tmp_name = strdup(device_name);
+ if (!tmp_name)
+ goto errout;
+ dev_name = basename(tmp_name);
+ tdb_file = malloc(strlen(tdb_dir) + 9 + strlen(dev_name) + 7 + 1);
+ if (!tdb_file) {
+ free(tmp_name);
+ goto errout;
+ }
+ sprintf(tdb_file, "%s/debugfs-%s.e2undo", tdb_dir, dev_name);
+ free(tmp_name);
+
+ if ((unlink(tdb_file) < 0) && (errno != ENOENT)) {
+ retval = errno;
+ com_err("debugfs", retval,
+ "while trying to delete %s", tdb_file);
+ goto errout;
+ }
+
+ retval = set_undo_io_backing_manager(*io_ptr);
+ if (retval)
+ goto errout;
+ *io_ptr = undo_io_manager;
+ retval = set_undo_io_backup_file(tdb_file);
+ if (retval)
+ goto errout;
+ printf("Overwriting existing filesystem; this can be undone "
+ "using the command:\n"
+ " e2undo %s %s\n\n", tdb_file, device_name);
+
+ free(tdb_file);
+ return 0;
+errout:
+ free(tdb_file);
+err:
+ com_err("debugfs", retval, "while trying to setup undo file\n");
+ return retval;
+}
+
+static void open_filesystem(char *device, int open_flags, blk64_t superblock,
+ blk64_t blocksize, int catastrophic,
+ char *data_filename, char *undo_file)
+{
+ int retval;
+ io_channel data_io = 0;
+ io_manager io_ptr = unix_io_manager;
+
+ if (superblock != 0 && blocksize == 0) {
+ com_err(device, 0, "if you specify the superblock, you must also specify the block size");
+ current_fs = NULL;
+ return;
+ }
+
+ if (data_filename) {
+ if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
+ com_err(device, 0,
+ "The -d option is only valid when reading an e2image file");
+ current_fs = NULL;
+ return;
+ }
+ retval = unix_io_manager->open(data_filename, 0, &data_io);
+ if (retval) {
+ com_err(data_filename, 0, "while opening data source");
+ current_fs = NULL;
+ return;
+ }
+ }
+
+ if (catastrophic)
+ open_flags |= EXT2_FLAG_SKIP_MMP | EXT2_FLAG_IGNORE_SB_ERRORS;
+
+ if (undo_file) {
+ retval = debugfs_setup_tdb(device, undo_file, &io_ptr);
+ if (retval)
+ exit(1);
+ }
+
+try_open_again:
+ retval = ext2fs_open(device, open_flags, superblock, blocksize,
+ io_ptr, &current_fs);
+ if (retval && (retval == EXT2_ET_SB_CSUM_INVALID) &&
+ !(open_flags & EXT2_FLAG_IGNORE_CSUM_ERRORS)) {
+ open_flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ printf("Checksum errors in superblock! Retrying...\n");
+ goto try_open_again;
+ }
+ if (retval) {
+ com_err(debug_prog_name, retval,
+ "while trying to open %s", device);
+ if (retval == EXT2_ET_BAD_MAGIC)
+ check_plausibility(device, CHECK_FS_EXIST, NULL);
+ current_fs = NULL;
+ return;
+ }
+ current_fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE;
+
+ if (!catastrophic) {
+ retval = ext2fs_read_bitmaps(current_fs);
+ if (retval) {
+ com_err(device, retval,
+ "while reading allocation bitmaps");
+ goto errout;
+ }
+ }
+
+ if (data_io) {
+ retval = ext2fs_set_data_io(current_fs, data_io);
+ if (retval) {
+ com_err(device, retval,
+ "while setting data source");
+ goto errout;
+ }
+ }
+
+ root = cwd = EXT2_ROOT_INO;
+ return;
+
+errout:
+ retval = ext2fs_close_free(&current_fs);
+ if (retval)
+ com_err(device, retval, "while trying to close filesystem");
+}
+
+void do_open_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ int c, err;
+ int catastrophic = 0;
+ blk64_t superblock = 0;
+ blk64_t blocksize = 0;
+ int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS |
+ EXT2_FLAG_THREADS;
+ char *data_filename = 0;
+ char *undo_file = NULL;
+
+ reset_getopt();
+ while ((c = getopt(argc, argv, "iwfecb:s:d:Dz:")) != EOF) {
+ switch (c) {
+ case 'i':
+ open_flags |= EXT2_FLAG_IMAGE_FILE;
+ break;
+ case 'w':
+#ifdef READ_ONLY
+ goto print_usage;
+#else
+ open_flags |= EXT2_FLAG_RW;
+#endif /* READ_ONLY */
+ break;
+ case 'f':
+ open_flags |= EXT2_FLAG_FORCE;
+ break;
+ case 'e':
+ open_flags |= EXT2_FLAG_EXCLUSIVE;
+ break;
+ case 'c':
+ catastrophic = 1;
+ break;
+ case 'd':
+ data_filename = optarg;
+ break;
+ case 'D':
+ open_flags |= EXT2_FLAG_DIRECT_IO;
+ break;
+ case 'b':
+ blocksize = parse_ulong(optarg, argv[0],
+ "block size", &err);
+ if (err)
+ return;
+ break;
+ case 's':
+ err = strtoblk(argv[0], optarg,
+ "superblock block number", &superblock);
+ if (err)
+ return;
+ break;
+ case 'z':
+#ifdef READ_ONLY
+ goto print_usage;
+#else
+ undo_file = optarg;
+#endif
+ break;
+ default:
+ goto print_usage;
+ }
+ }
+ if (optind != argc-1) {
+ goto print_usage;
+ }
+ if (check_fs_not_open(argv[0]))
+ return;
+ open_filesystem(argv[optind], open_flags,
+ superblock, blocksize, catastrophic,
+ data_filename, undo_file);
+ return;
+
+print_usage:
+ fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
+#ifdef READ_ONLY
+ "[-d image_filename] [-z undo_file] [-c] [-i] [-f] [-e] [-D] "
+#else
+ "[-d image_filename] [-c] [-i] [-f] [-e] [-D] [-w] "
+#endif
+ "<device>\n", argv[0]);
+}
+
+void do_lcd(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ if (argc != 2) {
+ com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
+ return;
+ }
+
+ if (chdir(argv[1]) == -1) {
+ com_err(argv[0], errno,
+ "while trying to change native directory to %s",
+ argv[1]);
+ return;
+ }
+}
+
+static void close_filesystem(NOARGS)
+{
+ int retval;
+
+ if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
+ retval = ext2fs_write_inode_bitmap(current_fs);
+ if (retval)
+ com_err("ext2fs_write_inode_bitmap", retval, 0);
+ }
+ if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
+ retval = ext2fs_write_block_bitmap(current_fs);
+ if (retval)
+ com_err("ext2fs_write_block_bitmap", retval, 0);
+ }
+ if (current_qctx)
+ quota_release_context(&current_qctx);
+ retval = ext2fs_close_free(&current_fs);
+ if (retval)
+ com_err("ext2fs_close", retval, 0);
+ return;
+}
+
+void do_close_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ int c;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ reset_getopt();
+ while ((c = getopt (argc, argv, "a")) != EOF) {
+ switch (c) {
+ case 'a':
+ current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
+ break;
+ default:
+ goto print_usage;
+ }
+ }
+
+ if (argc > optind) {
+ print_usage:
+ com_err(0, 0, "Usage: close_filesys [-a]");
+ return;
+ }
+
+ close_filesystem();
+}
+
+#ifndef READ_ONLY
+void do_init_filesys(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ struct ext2_super_block param;
+ errcode_t retval;
+ int err;
+ blk64_t blocks;
+
+ if (common_args_process(argc, argv, 3, 3, "initialize",
+ "<device> <blocks>", CHECK_FS_NOTOPEN))
+ return;
+
+ memset(&param, 0, sizeof(struct ext2_super_block));
+ err = strtoblk(argv[0], argv[2], "blocks count", &blocks);
+ if (err)
+ return;
+ ext2fs_blocks_count_set(&param, blocks);
+ retval = ext2fs_initialize(argv[1], 0, &param,
+ unix_io_manager, &current_fs);
+ if (retval) {
+ com_err(argv[1], retval, "while initializing filesystem");
+ current_fs = NULL;
+ return;
+ }
+ root = cwd = EXT2_ROOT_INO;
+ return;
+}
+
+static void print_features(struct ext2_super_block * s, FILE *f)
+{
+ int i, j, printed=0;
+ __u32 *mask = &s->s_feature_compat, m;
+
+ fputs("Filesystem features:", f);
+ for (i=0; i <3; i++,mask++) {
+ for (j=0,m=1; j < 32; j++, m<<=1) {
+ if (*mask & m) {
+ fprintf(f, " %s", e2p_feature2string(i, m));
+ printed++;
+ }
+ }
+ }
+ if (printed == 0)
+ fputs("(none)", f);
+ fputs("\n", f);
+}
+#endif /* READ_ONLY */
+
+static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
+ const char *str, int *first, FILE *f)
+{
+ if (ext2fs_bg_flags_test(fs, group, mask)) {
+ if (*first) {
+ fputs(" [", f);
+ *first = 0;
+ } else
+ fputs(", ", f);
+ fputs(str, f);
+ }
+}
+
+void do_show_super_stats(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ const char *units ="block";
+ dgrp_t i;
+ FILE *out;
+ int c, header_only = 0;
+ int numdirs = 0, first, gdt_csum;
+
+ reset_getopt();
+ while ((c = getopt (argc, argv, "h")) != EOF) {
+ switch (c) {
+ case 'h':
+ header_only++;
+ break;
+ default:
+ goto print_usage;
+ }
+ }
+ if (optind != argc) {
+ goto print_usage;
+ }
+ if (check_fs_open(argv[0]))
+ return;
+ out = open_pager();
+
+ if (ext2fs_has_feature_bigalloc(current_fs->super))
+ units = "cluster";
+
+ list_super2(current_fs->super, out);
+ if (ext2fs_has_feature_metadata_csum(current_fs->super) &&
+ !ext2fs_superblock_csum_verify(current_fs,
+ current_fs->super)) {
+ __u32 orig_csum = current_fs->super->s_checksum;
+
+ ext2fs_superblock_csum_set(current_fs,
+ current_fs->super);
+ fprintf(out, "Expected Checksum: 0x%08x\n",
+ current_fs->super->s_checksum);
+ current_fs->super->s_checksum = orig_csum;
+ }
+ for (i=0; i < current_fs->group_desc_count; i++)
+ numdirs += ext2fs_bg_used_dirs_count(current_fs, i);
+ fprintf(out, "Directories: %u\n", numdirs);
+
+ if (header_only) {
+ close_pager(out);
+ return;
+ }
+
+ gdt_csum = ext2fs_has_group_desc_csum(current_fs);
+ for (i = 0; i < current_fs->group_desc_count; i++) {
+ fprintf(out, " Group %2d: block bitmap at %llu, "
+ "inode bitmap at %llu, "
+ "inode table at %llu\n"
+ " %u free %s%s, "
+ "%u free %s, "
+ "%u used %s%s", i,
+ (unsigned long long) ext2fs_block_bitmap_loc(current_fs, i),
+ (unsigned long long) ext2fs_inode_bitmap_loc(current_fs, i),
+ (unsigned long long) ext2fs_inode_table_loc(current_fs, i),
+ ext2fs_bg_free_blocks_count(current_fs, i),
+ units,
+ ext2fs_bg_free_blocks_count(current_fs, i) != 1 ?
+ "s" : "",
+ ext2fs_bg_free_inodes_count(current_fs, i),
+ ext2fs_bg_free_inodes_count(current_fs, i) != 1 ?
+ "inodes" : "inode",
+ ext2fs_bg_used_dirs_count(current_fs, i),
+ ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories"
+ : "directory", gdt_csum ? ", " : "\n");
+ if (gdt_csum)
+ fprintf(out, "%u unused %s\n",
+ ext2fs_bg_itable_unused(current_fs, i),
+ ext2fs_bg_itable_unused(current_fs, i) != 1 ?
+ "inodes" : "inode");
+ first = 1;
+ print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
+ &first, out);
+ print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
+ &first, out);
+ if (gdt_csum) {
+ fprintf(out, "%sChecksum 0x%04x",
+ first ? " [":", ", ext2fs_bg_checksum(current_fs, i));
+ first = 0;
+ }
+ if (!first)
+ fputs("]\n", out);
+ }
+ close_pager(out);
+ return;
+print_usage:
+ fprintf(stderr, "%s: Usage: show_super_stats [-h]\n", argv[0]);
+}
+
+#ifndef READ_ONLY
+void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
+ char **argv EXT2FS_ATTR((unused)),
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ if (check_fs_open(argv[0]))
+ return;
+ if (check_fs_read_write(argv[0]))
+ return;
+
+ if (argv[1] && !strcmp(argv[1], "-clean"))
+ current_fs->super->s_state |= EXT2_VALID_FS;
+ else
+ current_fs->super->s_state &= ~EXT2_VALID_FS;
+ ext2fs_mark_super_dirty(current_fs);
+}
+#endif /* READ_ONLY */
+
+struct list_blocks_struct {
+ FILE *f;
+ e2_blkcnt_t total;
+ blk64_t first_block, last_block;
+ e2_blkcnt_t first_bcnt, last_bcnt;
+ e2_blkcnt_t first;
+};
+
+static void finish_range(struct list_blocks_struct *lb)
+{
+ if (lb->first_block == 0)
+ return;
+ if (lb->first)
+ lb->first = 0;
+ else
+ fprintf(lb->f, ", ");
+ if (lb->first_block == lb->last_block)
+ fprintf(lb->f, "(%lld):%llu",
+ (long long)lb->first_bcnt,
+ (unsigned long long) lb->first_block);
+ else
+ fprintf(lb->f, "(%lld-%lld):%llu-%llu",
+ (long long)lb->first_bcnt, (long long)lb->last_bcnt,
+ (unsigned long long) lb->first_block,
+ (unsigned long long) lb->last_block);
+ lb->first_block = 0;
+}
+
+static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
+ blk64_t *blocknr, e2_blkcnt_t blockcnt,
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *private)
+{
+ struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
+
+ lb->total++;
+ if (blockcnt >= 0) {
+ /*
+ * See if we can add on to the existing range (if it exists)
+ */
+ if (lb->first_block &&
+ (lb->last_block+1 == *blocknr) &&
+ (lb->last_bcnt+1 == blockcnt)) {
+ lb->last_block = *blocknr;
+ lb->last_bcnt = blockcnt;
+ return 0;
+ }
+ /*
+ * Start a new range.
+ */
+ finish_range(lb);
+ lb->first_block = lb->last_block = *blocknr;
+ lb->first_bcnt = lb->last_bcnt = blockcnt;
+ return 0;
+ }
+ /*
+ * Not a normal block. Always force a new range.
+ */
+ finish_range(lb);
+ if (lb->first)
+ lb->first = 0;
+ else
+ fprintf(lb->f, ", ");
+ if (blockcnt == -1)
+ fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr);
+ else if (blockcnt == -2)
+ fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr);
+ else if (blockcnt == -3)
+ fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr);
+ return 0;
+}
+
+static void internal_dump_inode_extra(FILE *out,
+ const char *prefix EXT2FS_ATTR((unused)),
+ ext2_ino_t inode_num EXT2FS_ATTR((unused)),
+ struct ext2_inode_large *inode)
+{
+ fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
+ if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
+ EXT2_GOOD_OLD_INODE_SIZE) {
+ fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
+ inode->i_extra_isize);
+ return;
+ }
+}
+
+static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
+{
+ struct list_blocks_struct lb;
+
+ fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
+ lb.total = 0;
+ lb.first_block = 0;
+ lb.f = f;
+ lb.first = 1;
+ ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
+ list_blocks_proc, (void *)&lb);
+ finish_range(&lb);
+ if (lb.total)
+ fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
+ fprintf(f,"\n");
+}
+
+static int int_log10(unsigned long long arg)
+{
+ int l = 0;
+
+ arg = arg / 10;
+ while (arg) {
+ l++;
+ arg = arg / 10;
+ }
+ return l;
+}
+
+#define DUMP_LEAF_EXTENTS 0x01
+#define DUMP_NODE_EXTENTS 0x02
+#define DUMP_EXTENT_TABLE 0x04
+
+static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
+ int flags, int logical_width, int physical_width)
+{
+ ext2_extent_handle_t handle;
+ struct ext2fs_extent extent;
+ struct ext2_extent_info info;
+ int op = EXT2_EXTENT_ROOT;
+ unsigned int printed = 0;
+ errcode_t errcode;
+
+ errcode = ext2fs_extent_open(current_fs, ino, &handle);
+ if (errcode)
+ return;
+
+ if (flags & DUMP_EXTENT_TABLE)
+ fprintf(f, "Level Entries %*s %*s Length Flags\n",
+ (logical_width*2)+3, "Logical",
+ (physical_width*2)+3, "Physical");
+ else
+ fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
+
+ while (1) {
+ errcode = ext2fs_extent_get(handle, op, &extent);
+
+ if (errcode)
+ break;
+
+ op = EXT2_EXTENT_NEXT;
+
+ if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
+ continue;
+
+ if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
+ if ((flags & DUMP_LEAF_EXTENTS) == 0)
+ continue;
+ } else {
+ if ((flags & DUMP_NODE_EXTENTS) == 0)
+ continue;
+ }
+
+ errcode = ext2fs_extent_get_info(handle, &info);
+ if (errcode)
+ continue;
+
+ if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
+ if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
+ continue;
+
+ if (flags & DUMP_EXTENT_TABLE) {
+ fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
+ "%*llu%*s %6u\n",
+ info.curr_level, info.max_depth,
+ info.curr_entry, info.num_entries,
+ logical_width,
+ (unsigned long long) extent.e_lblk,
+ logical_width,
+ (unsigned long long) extent.e_lblk + (extent.e_len - 1),
+ physical_width,
+ (unsigned long long) extent.e_pblk,
+ physical_width+3, "", extent.e_len);
+ continue;
+ }
+
+ fprintf(f, "%s(ETB%d):%llu",
+ printed ? ", " : "", info.curr_level,
+ (unsigned long long) extent.e_pblk);
+ printed = 1;
+ continue;
+ }
+
+ if (flags & DUMP_EXTENT_TABLE) {
+ fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
+ "%*llu - %*llu %6u %s\n",
+ info.curr_level, info.max_depth,
+ info.curr_entry, info.num_entries,
+ logical_width,
+ (unsigned long long) extent.e_lblk,
+ logical_width,
+ (unsigned long long) extent.e_lblk + (extent.e_len - 1),
+ physical_width,
+ (unsigned long long) extent.e_pblk,
+ physical_width,
+ (unsigned long long) extent.e_pblk + (extent.e_len - 1),
+ extent.e_len,
+ extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
+ "Uninit" : "");
+ continue;
+ }
+
+ if (extent.e_len == 0)
+ continue;
+ else if (extent.e_len == 1)
+ fprintf(f,
+ "%s(%lld%s):%lld",
+ printed ? ", " : "",
+ (unsigned long long) extent.e_lblk,
+ extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
+ "[u]" : "",
+ (unsigned long long) extent.e_pblk);
+ else
+ fprintf(f,
+ "%s(%lld-%lld%s):%lld-%lld",
+ printed ? ", " : "",
+ (unsigned long long) extent.e_lblk,
+ (unsigned long long) extent.e_lblk + (extent.e_len - 1),
+ extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
+ "[u]" : "",
+ (unsigned long long) extent.e_pblk,
+ (unsigned long long) extent.e_pblk + (extent.e_len - 1));
+ printed = 1;
+ }
+ if (printed)
+ fprintf(f, "\n");
+ ext2fs_extent_free(handle);
+}
+
+static void dump_inline_data(FILE *out, const char *prefix, ext2_ino_t inode_num)
+{
+ errcode_t retval;
+ size_t size;
+
+ retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
+ if (!retval)
+ fprintf(out, "%sSize of inline data: %zu\n", prefix, size);
+}
+
+static void dump_inline_symlink(FILE *out, ext2_ino_t inode_num,
+ struct ext2_inode *inode, const char *prefix)
+{
+ errcode_t retval;
+ char *buf = NULL;
+ size_t size;
+
+ retval = ext2fs_inline_data_size(current_fs, inode_num, &size);
+ if (retval)
+ goto out;
+
+ retval = ext2fs_get_memzero(size + 1, &buf);
+ if (retval)
+ goto out;
+
+ retval = ext2fs_inline_data_get(current_fs, inode_num,
+ inode, buf, &size);
+ if (retval)
+ goto out;
+
+ fprintf(out, "%sFast link dest: \"%.*s\"\n", prefix,
+ (int)size, buf);
+out:
+ if (buf)
+ ext2fs_free_mem(&buf);
+ if (retval)
+ com_err(__func__, retval, "while dumping link destination");
+}
+
+void internal_dump_inode(FILE *out, const char *prefix,
+ ext2_ino_t inode_num, struct ext2_inode *inode,
+ int do_dump_blocks)
+{
+ const char *i_type;
+ char frag, fsize;
+ int os = current_fs->super->s_creator_os;
+ struct ext2_inode_large *large_inode;
+ int is_large_inode = 0;
+
+ if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
+ is_large_inode = 1;
+ large_inode = (struct ext2_inode_large *) inode;
+
+ if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
+ else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
+ else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
+ else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
+ else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
+ else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
+ else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
+ else i_type = "bad type";
+ fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
+ fprintf(out, "%sMode: 0%03o Flags: 0x%x\n",
+ prefix, inode->i_mode & 07777, inode->i_flags);
+ if (is_large_inode && large_inode->i_extra_isize >= 24) {
+ fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
+ prefix, inode->i_generation, large_inode->i_version_hi,
+ inode->osd1.linux1.l_i_version);
+ } else {
+ fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
+ inode->i_generation, inode->osd1.linux1.l_i_version);
+ }
+ fprintf(out, "%sUser: %5d Group: %5d",
+ prefix, inode_uid(*inode), inode_gid(*inode));
+ if (is_large_inode && large_inode->i_extra_isize >= 32)
+ fprintf(out, " Project: %5d", large_inode->i_projid);
+ fputs(" Size: ", out);
+ if (LINUX_S_ISREG(inode->i_mode) || LINUX_S_ISDIR(inode->i_mode))
+ fprintf(out, "%llu\n", (unsigned long long) EXT2_I_SIZE(inode));
+ else
+ fprintf(out, "%u\n", inode->i_size);
+ if (os == EXT2_OS_HURD)
+ fprintf(out,
+ "%sFile ACL: %u Translator: %u\n",
+ prefix,
+ inode->i_file_acl,
+ inode->osd1.hurd1.h_i_translator);
+ else
+ fprintf(out, "%sFile ACL: %llu\n",
+ prefix,
+ inode->i_file_acl | ((long long)
+ (inode->osd2.linux2.l_i_file_acl_high) << 32));
+ if (os != EXT2_OS_HURD)
+ fprintf(out, "%sLinks: %u Blockcount: %llu\n",
+ prefix, inode->i_links_count,
+ (((unsigned long long)
+ inode->osd2.linux2.l_i_blocks_hi << 32)) +
+ inode->i_blocks);
+ else
+ fprintf(out, "%sLinks: %u Blockcount: %u\n",
+ prefix, inode->i_links_count, inode->i_blocks);
+ switch (os) {
+ case EXT2_OS_HURD:
+ frag = inode->osd2.hurd2.h_i_frag;
+ fsize = inode->osd2.hurd2.h_i_fsize;
+ break;
+ default:
+ frag = fsize = 0;
+ }
+ fprintf(out, "%sFragment: Address: %u Number: %u Size: %u\n",
+ prefix, inode->i_faddr, frag, fsize);
+ if (is_large_inode && large_inode->i_extra_isize >= 24) {
+ fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
+ inode->i_ctime, large_inode->i_ctime_extra,
+ inode_time_to_string(inode->i_ctime,
+ large_inode->i_ctime_extra));
+ fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
+ inode->i_atime, large_inode->i_atime_extra,
+ inode_time_to_string(inode->i_atime,
+ large_inode->i_atime_extra));
+ fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
+ inode->i_mtime, large_inode->i_mtime_extra,
+ inode_time_to_string(inode->i_mtime,
+ large_inode->i_mtime_extra));
+ fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
+ large_inode->i_crtime, large_inode->i_crtime_extra,
+ inode_time_to_string(large_inode->i_crtime,
+ large_inode->i_crtime_extra));
+ if (inode->i_dtime)
+ fprintf(out, "%s dtime: 0x%08x:(%08x) -- %s", prefix,
+ large_inode->i_dtime, large_inode->i_ctime_extra,
+ inode_time_to_string(inode->i_dtime,
+ large_inode->i_ctime_extra));
+ } else {
+ fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
+ time_to_string((__s32) inode->i_ctime));
+ fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
+ time_to_string((__s32) inode->i_atime));
+ fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
+ time_to_string((__s32) inode->i_mtime));
+ if (inode->i_dtime)
+ fprintf(out, "%sdtime: 0x%08x -- %s", prefix,
+ inode->i_dtime,
+ time_to_string((__s32) inode->i_dtime));
+ }
+ if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
+ internal_dump_inode_extra(out, prefix, inode_num,
+ (struct ext2_inode_large *) inode);
+ dump_inode_attributes(out, inode_num);
+ if (ext2fs_has_feature_metadata_csum(current_fs->super)) {
+ __u32 crc = inode->i_checksum_lo;
+ if (is_large_inode &&
+ large_inode->i_extra_isize >=
+ (offsetof(struct ext2_inode_large,
+ i_checksum_hi) -
+ EXT2_GOOD_OLD_INODE_SIZE))
+ crc |= ((__u32)large_inode->i_checksum_hi) << 16;
+ fprintf(out, "Inode checksum: 0x%08x\n", crc);
+ }
+
+ if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_is_fast_symlink(inode))
+ fprintf(out, "%sFast link dest: \"%.*s\"\n", prefix,
+ (int)EXT2_I_SIZE(inode), (char *)inode->i_block);
+ else if (LINUX_S_ISLNK(inode->i_mode) &&
+ (inode->i_flags & EXT4_INLINE_DATA_FL))
+ dump_inline_symlink(out, inode_num, inode, prefix);
+ else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
+ int major, minor;
+ const char *devnote;
+
+ if (inode->i_block[0]) {
+ major = (inode->i_block[0] >> 8) & 255;
+ minor = inode->i_block[0] & 255;
+ devnote = "";
+ } else {
+ major = (inode->i_block[1] & 0xfff00) >> 8;
+ minor = ((inode->i_block[1] & 0xff) |
+ ((inode->i_block[1] >> 12) & 0xfff00));
+ devnote = "(New-style) ";
+ }
+ fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
+ devnote, major, minor, major, minor);
+ } else if (do_dump_blocks) {
+ if (inode->i_flags & EXT4_EXTENTS_FL)
+ dump_extents(out, prefix, inode_num,
+ DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0);
+ else if (inode->i_flags & EXT4_INLINE_DATA_FL)
+ dump_inline_data(out, prefix, inode_num);
+ else
+ dump_blocks(out, prefix, inode_num);
+ }
+}
+
+static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
+{
+ FILE *out;
+
+ out = open_pager();
+ internal_dump_inode(out, "", inode_num, inode, 1);
+ close_pager(out);
+}
+
+void do_stat(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode;
+ struct ext2_inode * inode_buf;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ inode_buf = (struct ext2_inode *)
+ malloc(EXT2_INODE_SIZE(current_fs->super));
+ if (!inode_buf) {
+ fprintf(stderr, "do_stat: can't allocate buffer\n");
+ return;
+ }
+
+ if (common_inode_args_process(argc, argv, &inode, 0)) {
+ free(inode_buf);
+ return;
+ }
+
+ if (debugfs_read_inode2(inode, inode_buf, argv[0],
+ EXT2_INODE_SIZE(current_fs->super), 0)) {
+ free(inode_buf);
+ return;
+ }
+
+ dump_inode(inode, inode_buf);
+ free(inode_buf);
+ return;
+}
+
+void do_dump_extents(int argc, char **argv, int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ struct ext2_inode inode;
+ ext2_ino_t ino;
+ FILE *out;
+ int c, flags = 0;
+ int logical_width;
+ int physical_width;
+
+ reset_getopt();
+ while ((c = getopt(argc, argv, "nl")) != EOF) {
+ switch (c) {
+ case 'n':
+ flags |= DUMP_NODE_EXTENTS;
+ break;
+ case 'l':
+ flags |= DUMP_LEAF_EXTENTS;
+ break;
+ }
+ }
+
+ if (argc != optind + 1) {
+ com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
+ return;
+ }
+
+ if (flags == 0)
+ flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
+ flags |= DUMP_EXTENT_TABLE;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ ino = string_to_inode(argv[optind]);
+ if (ino == 0)
+ return;
+
+ if (debugfs_read_inode(ino, &inode, argv[0]))
+ return;
+
+ if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
+ fprintf(stderr, "%s: does not uses extent block maps\n",
+ argv[optind]);
+ return;
+ }
+
+ logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/
+ current_fs->blocksize) + 1;
+ if (logical_width < 5)
+ logical_width = 5;
+ physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
+ if (physical_width < 5)
+ physical_width = 5;
+
+ out = open_pager();
+ dump_extents(out, "", ino, flags, logical_width, physical_width);
+ close_pager(out);
+ return;
+}
+
+static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
+ blk64_t *blocknr,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *private EXT2FS_ATTR((unused)))
+{
+ printf("%llu ", (unsigned long long) *blocknr);
+ return 0;
+}
+
+void do_blocks(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ if (common_inode_args_process(argc, argv, &inode, 0)) {
+ return;
+ }
+
+ ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
+ print_blocks_proc, NULL);
+ fputc('\n', stdout);
+ return;
+}
+
+void do_chroot(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode;
+ int retval;
+
+ if (common_inode_args_process(argc, argv, &inode, 0))
+ return;
+
+ retval = ext2fs_check_directory(current_fs, inode);
+ if (retval) {
+ com_err(argv[1], retval, 0);
+ return;
+ }
+ root = inode;
+}
+
+#ifndef READ_ONLY
+void do_clri(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode;
+ struct ext2_inode inode_buf;
+
+ if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
+ return;
+
+ if (debugfs_read_inode(inode, &inode_buf, argv[0]))
+ return;
+ memset(&inode_buf, 0, sizeof(inode_buf));
+ if (debugfs_write_inode(inode, &inode_buf, argv[0]))
+ return;
+}
+
+void do_freei(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ unsigned int len = 1;
+ int err = 0;
+ ext2_ino_t inode;
+
+ if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
+ CHECK_FS_RW | CHECK_FS_BITMAPS))
+ return;
+ if (check_fs_read_write(argv[0]))
+ return;
+
+ inode = string_to_inode(argv[1]);
+ if (!inode)
+ return;
+
+ if (argc == 3) {
+ len = parse_ulong(argv[2], argv[0], "length", &err);
+ if (err)
+ return;
+ }
+
+ if (len == 1 &&
+ !ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
+ com_err(argv[0], 0, "Warning: inode already clear");
+ while (len-- > 0)
+ ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode++);
+ ext2fs_mark_ib_dirty(current_fs);
+}
+
+void do_seti(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ unsigned int len = 1;
+ int err = 0;
+ ext2_ino_t inode;
+
+ if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]",
+ CHECK_FS_RW | CHECK_FS_BITMAPS))
+ return;
+ if (check_fs_read_write(argv[0]))
+ return;
+
+ inode = string_to_inode(argv[1]);
+ if (!inode)
+ return;
+
+ if (argc == 3) {
+ len = parse_ulong(argv[2], argv[0], "length", &err);
+ if (err)
+ return;
+ }
+
+ if ((len == 1) &&
+ ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
+ com_err(argv[0], 0, "Warning: inode already set");
+ while (len-- > 0)
+ ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++);
+ ext2fs_mark_ib_dirty(current_fs);
+}
+#endif /* READ_ONLY */
+
+void do_testi(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode;
+
+ if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
+ return;
+
+ if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
+ printf("Inode %u is marked in use\n", inode);
+ else
+ printf("Inode %u is not in use\n", inode);
+}
+
+#ifndef READ_ONLY
+void do_freeb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ blk64_t block;
+ blk64_t count = 1;
+
+ if (common_block_args_process(argc, argv, &block, &count))
+ return;
+ if (check_fs_read_write(argv[0]))
+ return;
+ while (count-- > 0) {
+ if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
+ com_err(argv[0], 0, "Warning: block %llu already clear",
+ (unsigned long long) block);
+ ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
+ block++;
+ }
+ ext2fs_mark_bb_dirty(current_fs);
+}
+
+void do_setb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ blk64_t block;
+ blk64_t count = 1;
+
+ if (common_block_args_process(argc, argv, &block, &count))
+ return;
+ if (check_fs_read_write(argv[0]))
+ return;
+ while (count-- > 0) {
+ if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
+ com_err(argv[0], 0, "Warning: block %llu already set",
+ (unsigned long long) block);
+ ext2fs_mark_block_bitmap2(current_fs->block_map,block);
+ block++;
+ }
+ ext2fs_mark_bb_dirty(current_fs);
+}
+#endif /* READ_ONLY */
+
+void do_testb(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ blk64_t block;
+ blk64_t count = 1;
+
+ if (common_block_args_process(argc, argv, &block, &count))
+ return;
+ while (count-- > 0) {
+ if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
+ printf("Block %llu marked in use\n",
+ (unsigned long long) block);
+ else
+ printf("Block %llu not in use\n",
+ (unsigned long long) block);
+ block++;
+ }
+}
+
+#ifndef READ_ONLY
+static void modify_u8(char *com, const char *prompt,
+ const char *format, __u8 *val)
+{
+ char buf[200];
+ unsigned long v;
+ char *tmp;
+
+ sprintf(buf, format, *val);
+ printf("%30s [%s] ", prompt, buf);
+ if (!fgets(buf, sizeof(buf), stdin))
+ return;
+ if (buf[strlen (buf) - 1] == '\n')
+ buf[strlen (buf) - 1] = '\0';
+ if (!buf[0])
+ return;
+ v = strtoul(buf, &tmp, 0);
+ if (*tmp)
+ com_err(com, 0, "Bad value - %s", buf);
+ else
+ *val = v;
+}
+
+static void modify_u16(char *com, const char *prompt,
+ const char *format, __u16 *val)
+{
+ char buf[200];
+ unsigned long v;
+ char *tmp;
+
+ sprintf(buf, format, *val);
+ printf("%30s [%s] ", prompt, buf);
+ if (!fgets(buf, sizeof(buf), stdin))
+ return;
+ if (buf[strlen (buf) - 1] == '\n')
+ buf[strlen (buf) - 1] = '\0';
+ if (!buf[0])
+ return;
+ v = strtoul(buf, &tmp, 0);
+ if (*tmp)
+ com_err(com, 0, "Bad value - %s", buf);
+ else
+ *val = v;
+}
+
+static void modify_u32(char *com, const char *prompt,
+ const char *format, __u32 *val)
+{
+ char buf[200];
+ unsigned long v;
+ char *tmp;
+
+ sprintf(buf, format, *val);
+ printf("%30s [%s] ", prompt, buf);
+ if (!fgets(buf, sizeof(buf), stdin))
+ return;
+ if (buf[strlen (buf) - 1] == '\n')
+ buf[strlen (buf) - 1] = '\0';
+ if (!buf[0])
+ return;
+ v = strtoul(buf, &tmp, 0);
+ if (*tmp)
+ com_err(com, 0, "Bad value - %s", buf);
+ else
+ *val = v;
+}
+
+
+void do_modify_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ struct ext2_inode inode;
+ ext2_ino_t inode_num;
+ int i;
+ unsigned char *frag, *fsize;
+ char buf[80];
+ int os;
+ const char *hex_format = "0x%x";
+ const char *octal_format = "0%o";
+ const char *decimal_format = "%d";
+ const char *unsignedlong_format = "%lu";
+
+ if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
+ return;
+
+ os = current_fs->super->s_creator_os;
+
+ if (debugfs_read_inode(inode_num, &inode, argv[1]))
+ return;
+
+ modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
+ modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
+ modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
+ modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
+ modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
+ modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
+ modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
+ modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
+ modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
+ if (os == EXT2_OS_LINUX)
+ modify_u16(argv[0], "Block count high", unsignedlong_format,
+ &inode.osd2.linux2.l_i_blocks_hi);
+ modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
+ modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
+ modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
+#if 0
+ modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
+#endif
+ modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
+
+ modify_u32(argv[0], "High 32bits of size", decimal_format,
+ &inode.i_size_high);
+
+ if (os == EXT2_OS_HURD)
+ modify_u32(argv[0], "Translator Block",
+ decimal_format, &inode.osd1.hurd1.h_i_translator);
+
+ modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
+ switch (os) {
+ case EXT2_OS_HURD:
+ frag = &inode.osd2.hurd2.h_i_frag;
+ fsize = &inode.osd2.hurd2.h_i_fsize;
+ break;
+ default:
+ frag = fsize = 0;
+ }
+ if (frag)
+ modify_u8(argv[0], "Fragment number", decimal_format, frag);
+ if (fsize)
+ modify_u8(argv[0], "Fragment size", decimal_format, fsize);
+
+ for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
+ sprintf(buf, "Direct Block #%u", i);
+ modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
+ }
+ modify_u32(argv[0], "Indirect Block", decimal_format,
+ &inode.i_block[EXT2_IND_BLOCK]);
+ modify_u32(argv[0], "Double Indirect Block", decimal_format,
+ &inode.i_block[EXT2_DIND_BLOCK]);
+ modify_u32(argv[0], "Triple Indirect Block", decimal_format,
+ &inode.i_block[EXT2_TIND_BLOCK]);
+ if (debugfs_write_inode(inode_num, &inode, argv[1]))
+ return;
+}
+#endif /* READ_ONLY */
+
+void do_change_working_dir(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode;
+ int retval;
+
+ if (common_inode_args_process(argc, argv, &inode, 0))
+ return;
+
+ retval = ext2fs_check_directory(current_fs, inode);
+ if (retval) {
+ com_err(argv[1], retval, 0);
+ return;
+ }
+ cwd = inode;
+ return;
+}
+
+void do_print_working_directory(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ int retval;
+ char *pathname = NULL;
+
+ if (common_args_process(argc, argv, 1, 1,
+ "print_working_directory", "", 0))
+ return;
+
+ retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
+ if (retval) {
+ com_err(argv[0], retval,
+ "while trying to get pathname of cwd");
+ }
+ printf("[pwd] INODE: %6u PATH: %s\n",
+ cwd, pathname ? pathname : "NULL");
+ if (pathname) {
+ free(pathname);
+ pathname = NULL;
+ }
+ retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
+ if (retval) {
+ com_err(argv[0], retval,
+ "while trying to get pathname of root");
+ }
+ printf("[root] INODE: %6u PATH: %s\n",
+ root, pathname ? pathname : "NULL");
+ if (pathname) {
+ free(pathname);
+ pathname = NULL;
+ }
+ return;
+}
+
+#ifndef READ_ONLY
+static void make_link(char *sourcename, char *destname)
+{
+ ext2_ino_t ino;
+ struct ext2_inode inode;
+ int retval;
+ ext2_ino_t dir;
+ char *dest, *cp, *base_name;
+
+ /*
+ * Get the source inode
+ */
+ ino = string_to_inode(sourcename);
+ if (!ino)
+ return;
+ base_name = strrchr(sourcename, '/');
+ if (base_name)
+ base_name++;
+ else
+ base_name = sourcename;
+ /*
+ * Figure out the destination. First see if it exists and is
+ * a directory.
+ */
+ if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
+ dest = base_name;
+ else {
+ /*
+ * OK, it doesn't exist. See if it is
+ * '<dir>/basename' or 'basename'
+ */
+ cp = strrchr(destname, '/');
+ if (cp) {
+ *cp = 0;
+ dir = string_to_inode(destname);
+ if (!dir)
+ return;
+ dest = cp+1;
+ } else {
+ dir = cwd;
+ dest = destname;
+ }
+ }
+
+ if (debugfs_read_inode(ino, &inode, sourcename))
+ return;
+
+ retval = ext2fs_link(current_fs, dir, dest, ino,
+ ext2_file_type(inode.i_mode));
+ if (retval)
+ com_err("make_link", retval, 0);
+ return;
+}
+
+
+void do_link(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ if (common_args_process(argc, argv, 3, 3, "link",
+ "<source file> <dest_name>", CHECK_FS_RW))
+ return;
+
+ make_link(argv[1], argv[2]);
+}
+
+static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *private EXT2FS_ATTR((unused)))
+{
+ blk64_t block;
+
+ block = *blocknr;
+ ext2fs_block_alloc_stats2(fs, block, +1);
+ return 0;
+}
+
+void do_undel(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t ino;
+ struct ext2_inode inode;
+
+ if (common_args_process(argc, argv, 2, 3, "undelete",
+ "<inode_num> [dest_name]",
+ CHECK_FS_RW | CHECK_FS_BITMAPS))
+ return;
+
+ ino = string_to_inode(argv[1]);
+ if (!ino)
+ return;
+
+ if (debugfs_read_inode(ino, &inode, argv[1]))
+ return;
+
+ if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
+ com_err(argv[1], 0, "Inode is not marked as deleted");
+ return;
+ }
+
+ /*
+ * XXX this function doesn't handle changing the links count on the
+ * parent directory when undeleting a directory.
+ */
+ inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
+ inode.i_dtime = 0;
+
+ if (debugfs_write_inode(ino, &inode, argv[0]))
+ return;
+
+ ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
+ mark_blocks_proc, NULL);
+
+ ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
+
+ if (argc > 2)
+ make_link(argv[1], argv[2]);
+}
+
+static void unlink_file_by_name(char *filename)
+{
+ int retval;
+ ext2_ino_t dir;
+ char *base_name;
+
+ base_name = strrchr(filename, '/');
+ if (base_name) {
+ *base_name++ = '\0';
+ dir = string_to_inode(filename);
+ if (!dir)
+ return;
+ } else {
+ dir = cwd;
+ base_name = filename;
+ }
+ retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
+ if (retval)
+ com_err("unlink_file_by_name", retval, 0);
+ return;
+}
+
+void do_unlink(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ if (common_args_process(argc, argv, 2, 2, "link",
+ "<pathname>", CHECK_FS_RW))
+ return;
+
+ unlink_file_by_name(argv[1]);
+}
+
+void do_copy_inode(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t src_ino, dest_ino;
+ unsigned char buf[4096];
+
+ if (common_args_process(argc, argv, 3, 3, "copy_inode",
+ "<source file> <dest_name>", CHECK_FS_RW))
+ return;
+
+ src_ino = string_to_inode(argv[1]);
+ if (!src_ino)
+ return;
+
+ dest_ino = string_to_inode(argv[2]);
+ if (!dest_ino)
+ return;
+
+ if (debugfs_read_inode2(src_ino, (struct ext2_inode *) buf,
+ argv[0], sizeof(buf), 0))
+ return;
+
+ if (debugfs_write_inode2(dest_ino, (struct ext2_inode *) buf,
+ argv[0], sizeof(buf), 0))
+ return;
+}
+
+#endif /* READ_ONLY */
+
+void do_find_free_block(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ blk64_t free_blk, goal, first_free = 0;
+ int count;
+ errcode_t retval;
+ char *tmp;
+
+ if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
+ com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
+ return;
+ }
+ if (check_fs_open(argv[0]))
+ return;
+
+ if (argc > 1) {
+ count = strtol(argv[1],&tmp,0);
+ if (*tmp) {
+ com_err(argv[0], 0, "Bad count - %s", argv[1]);
+ return;
+ }
+ } else
+ count = 1;
+
+ if (argc > 2) {
+ goal = strtol(argv[2], &tmp, 0);
+ if (*tmp) {
+ com_err(argv[0], 0, "Bad goal - %s", argv[1]);
+ return;
+ }
+ }
+ else
+ goal = current_fs->super->s_first_data_block;
+
+ printf("Free blocks found: ");
+ free_blk = goal - 1;
+ while (count-- > 0) {
+ retval = ext2fs_new_block2(current_fs, free_blk + 1, 0,
+ &free_blk);
+ if (first_free) {
+ if (first_free == free_blk)
+ break;
+ } else
+ first_free = free_blk;
+ if (retval) {
+ com_err("ext2fs_new_block", retval, 0);
+ return;
+ } else
+ printf("%llu ", (unsigned long long) free_blk);
+ }
+ printf("\n");
+}
+
+void do_find_free_inode(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t free_inode, dir;
+ int mode;
+ int retval;
+ char *tmp;
+
+ if (argc > 3 || (argc>1 && *argv[1] == '?')) {
+ com_err(argv[0], 0, "Usage: find_free_inode [dir [mode]]");
+ return;
+ }
+ if (check_fs_open(argv[0]))
+ return;
+
+ if (argc > 1) {
+ dir = strtol(argv[1], &tmp, 0);
+ if (*tmp) {
+ com_err(argv[0], 0, "Bad dir - %s", argv[1]);
+ return;
+ }
+ }
+ else
+ dir = root;
+ if (argc > 2) {
+ mode = strtol(argv[2], &tmp, 0);
+ if (*tmp) {
+ com_err(argv[0], 0, "Bad mode - %s", argv[2]);
+ return;
+ }
+ } else
+ mode = 010755;
+
+ retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
+ if (retval)
+ com_err("ext2fs_new_inode", retval, 0);
+ else
+ printf("Free inode found: %u\n", free_inode);
+}
+
+#ifndef READ_ONLY
+void do_write(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ errcode_t retval;
+
+ if (common_args_process(argc, argv, 3, 3, "write",
+ "<native file> <new file>", CHECK_FS_RW))
+ return;
+
+ retval = do_write_internal(current_fs, cwd, argv[1], argv[2], root);
+ if (retval)
+ com_err(argv[0], retval, 0);
+}
+
+void do_mknod(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ unsigned long major, minor;
+ errcode_t retval;
+ int nr;
+ struct stat st;
+
+ if (check_fs_open(argv[0]))
+ return;
+ if (argc < 3 || argv[2][1]) {
+ usage:
+ com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
+ return;
+ }
+
+ minor = major = 0;
+ switch (argv[2][0]) {
+ case 'p':
+ st.st_mode = S_IFIFO;
+ nr = 3;
+ break;
+ case 'c':
+ st.st_mode = S_IFCHR;
+ nr = 5;
+ break;
+ case 'b':
+ st.st_mode = S_IFBLK;
+ nr = 5;
+ break;
+ default:
+ nr = 0;
+ }
+
+ if (nr == 5) {
+ major = strtoul(argv[3], argv+3, 0);
+ minor = strtoul(argv[4], argv+4, 0);
+ if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
+ nr = 0;
+ }
+
+ if (argc != nr)
+ goto usage;
+
+ st.st_rdev = makedev(major, minor);
+ retval = do_mknod_internal(current_fs, cwd, argv[1],
+ st.st_mode, st.st_rdev);
+ if (retval)
+ com_err(argv[0], retval, 0);
+}
+
+void do_mkdir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ errcode_t retval;
+
+ if (common_args_process(argc, argv, 2, 2, "mkdir",
+ "<filename>", CHECK_FS_RW))
+ return;
+
+ retval = do_mkdir_internal(current_fs, cwd, argv[1], root);
+ if (retval)
+ com_err(argv[0], retval, 0);
+
+}
+
+static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk64_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *private)
+{
+ blk64_t block = *blocknr;
+ blk64_t *last_cluster = (blk64_t *)private;
+ blk64_t cluster = EXT2FS_B2C(fs, block);
+
+ if (cluster == *last_cluster)
+ return 0;
+
+ *last_cluster = cluster;
+
+ ext2fs_block_alloc_stats2(fs, block, -1);
+ return 0;
+}
+
+static void kill_file_by_inode(ext2_ino_t inode)
+{
+ struct ext2_inode inode_buf;
+
+ if (debugfs_read_inode(inode, &inode_buf, 0))
+ return;
+ inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
+ if (debugfs_write_inode(inode, &inode_buf, 0))
+ return;
+ if (ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf)) {
+ blk64_t last_cluster = 0;
+ ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY,
+ NULL, release_blocks_proc, &last_cluster);
+ }
+ printf("\n");
+ ext2fs_inode_alloc_stats2(current_fs, inode, -1,
+ LINUX_S_ISDIR(inode_buf.i_mode));
+}
+
+
+void do_kill_file(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode_num;
+
+ if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
+ return;
+
+ kill_file_by_inode(inode_num);
+}
+
+void do_rm(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ int retval;
+ ext2_ino_t inode_num;
+ struct ext2_inode inode;
+
+ if (common_args_process(argc, argv, 2, 2, "rm",
+ "<filename>", CHECK_FS_RW))
+ return;
+
+ retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
+ if (retval) {
+ com_err(argv[0], retval, "while trying to resolve filename");
+ return;
+ }
+
+ if (debugfs_read_inode(inode_num, &inode, argv[0]))
+ return;
+
+ if (LINUX_S_ISDIR(inode.i_mode)) {
+ com_err(argv[0], 0, "file is a directory");
+ return;
+ }
+
+ --inode.i_links_count;
+ if (debugfs_write_inode(inode_num, &inode, argv[0]))
+ return;
+
+ unlink_file_by_name(argv[1]);
+ if (inode.i_links_count == 0)
+ kill_file_by_inode(inode_num);
+}
+
+struct rd_struct {
+ ext2_ino_t parent;
+ int empty;
+};
+
+static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
+ int entry EXT2FS_ATTR((unused)),
+ struct ext2_dir_entry *dirent,
+ int offset EXT2FS_ATTR((unused)),
+ int blocksize EXT2FS_ATTR((unused)),
+ char *buf EXT2FS_ATTR((unused)),
+ void *private)
+{
+ struct rd_struct *rds = (struct rd_struct *) private;
+
+ if (dirent->inode == 0)
+ return 0;
+ if ((ext2fs_dirent_name_len(dirent) == 1) && (dirent->name[0] == '.'))
+ return 0;
+ if ((ext2fs_dirent_name_len(dirent) == 2) && (dirent->name[0] == '.') &&
+ (dirent->name[1] == '.')) {
+ rds->parent = dirent->inode;
+ return 0;
+ }
+ rds->empty = 0;
+ return 0;
+}
+
+void do_rmdir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ int retval;
+ ext2_ino_t inode_num;
+ struct ext2_inode inode;
+ struct rd_struct rds;
+
+ if (common_args_process(argc, argv, 2, 2, "rmdir",
+ "<filename>", CHECK_FS_RW))
+ return;
+
+ retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
+ if (retval) {
+ com_err(argv[0], retval, "while trying to resolve filename");
+ return;
+ }
+
+ if (debugfs_read_inode(inode_num, &inode, argv[0]))
+ return;
+
+ if (!LINUX_S_ISDIR(inode.i_mode)) {
+ com_err(argv[0], 0, "file is not a directory");
+ return;
+ }
+
+ rds.parent = 0;
+ rds.empty = 1;
+
+ retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
+ 0, rmdir_proc, &rds);
+ if (retval) {
+ com_err(argv[0], retval, "while iterating over directory");
+ return;
+ }
+ if (rds.empty == 0) {
+ com_err(argv[0], 0, "directory not empty");
+ return;
+ }
+
+ inode.i_links_count = 0;
+ if (debugfs_write_inode(inode_num, &inode, argv[0]))
+ return;
+
+ unlink_file_by_name(argv[1]);
+ kill_file_by_inode(inode_num);
+
+ if (rds.parent) {
+ if (debugfs_read_inode(rds.parent, &inode, argv[0]))
+ return;
+ if (inode.i_links_count > 1)
+ inode.i_links_count--;
+ if (debugfs_write_inode(rds.parent, &inode, argv[0]))
+ return;
+ }
+}
+#endif /* READ_ONLY */
+
+void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
+ char *argv[] EXT2FS_ATTR((unused)),
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ if (current_fs)
+ printf("Open mode: read-%s\n",
+ current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
+ printf("Filesystem in use: %s\n",
+ current_fs ? current_fs->device_name : "--none--");
+}
+
+#ifndef READ_ONLY
+void do_expand_dir(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t inode;
+ int retval;
+
+ if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
+ return;
+
+ retval = ext2fs_expand_dir(current_fs, inode);
+ if (retval)
+ com_err("ext2fs_expand_dir", retval, 0);
+ return;
+}
+
+void do_features(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ int i;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ if ((argc != 1) && check_fs_read_write(argv[0]))
+ return;
+ for (i=1; i < argc; i++) {
+ if (e2p_edit_feature(argv[i],
+ &current_fs->super->s_feature_compat, 0))
+ com_err(argv[0], 0, "Unknown feature: %s\n",
+ argv[i]);
+ else
+ ext2fs_mark_super_dirty(current_fs);
+ }
+ print_features(current_fs->super, stdout);
+}
+#endif /* READ_ONLY */
+
+void do_bmap(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t ino;
+ blk64_t blk, pblk = 0;
+ int c, err, flags = 0, ret_flags = 0;
+ errcode_t errcode;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ reset_getopt();
+ while ((c = getopt (argc, argv, "a")) != EOF) {
+ switch (c) {
+ case 'a':
+ flags |= BMAP_ALLOC;
+ break;
+ default:
+ goto print_usage;
+ }
+ }
+
+ if (argc <= optind+1) {
+ print_usage:
+ com_err(0, 0,
+ "Usage: bmap [-a] <file> logical_blk [physical_blk]");
+ return;
+ }
+
+ ino = string_to_inode(argv[optind++]);
+ if (!ino)
+ return;
+ err = strtoblk(argv[0], argv[optind++], "logical block", &blk);
+ if (err)
+ return;
+
+ if (argc > optind+1)
+ goto print_usage;
+
+ if (argc == optind+1) {
+ err = strtoblk(argv[0], argv[optind++],
+ "physical block", &pblk);
+ if (err)
+ return;
+ if (flags & BMAP_ALLOC) {
+ com_err(0, 0, "Can't set and allocate a block");
+ return;
+ }
+ flags |= BMAP_SET;
+ }
+
+ errcode = ext2fs_bmap2(current_fs, ino, 0, 0, flags, blk,
+ &ret_flags, &pblk);
+ if (errcode) {
+ com_err(argv[0], errcode,
+ "while mapping logical block %llu\n",
+ (unsigned long long) blk);
+ return;
+ }
+ printf("%llu", (unsigned long long) pblk);
+ if (ret_flags & BMAP_RET_UNINIT)
+ fputs(" (uninit)", stdout);
+ fputc('\n', stdout);
+}
+
+void do_imap(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t ino;
+ unsigned long group, block, block_nr, offset;
+
+ if (common_args_process(argc, argv, 2, 2, argv[0],
+ "<file>", 0))
+ return;
+ ino = string_to_inode(argv[1]);
+ if (!ino)
+ return;
+
+ group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
+ offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
+ EXT2_INODE_SIZE(current_fs->super);
+ block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
+ if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) {
+ com_err(argv[0], 0, "Inode table for group %lu is missing\n",
+ group);
+ return;
+ }
+ block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) +
+ block;
+ offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
+
+ printf("Inode %u is part of block group %lu\n"
+ "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
+ block_nr, offset);
+
+}
+
+void do_idump(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ struct ext2_inode_large *inode;
+ ext2_ino_t ino;
+ unsigned char *buf;
+ errcode_t err;
+ unsigned int isize, size, offset = 0;
+ int c, mode = 0;
+
+ reset_getopt();
+ while ((c = getopt (argc, argv, "bex")) != EOF) {
+ if (mode || c == '?') {
+ com_err(argv[0], 0,
+ "Usage: inode_dump [-b]|[-e] <file>");
+ return;
+ }
+ mode = c;
+ }
+ if (optind != argc-1)
+ return;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ ino = string_to_inode(argv[optind]);
+ if (!ino)
+ return;
+
+ isize = EXT2_INODE_SIZE(current_fs->super);
+ err = ext2fs_get_mem(isize, &buf);
+ if (err) {
+ com_err(argv[0], err, "while allocating memory");
+ return;
+ }
+
+ err = ext2fs_read_inode_full(current_fs, ino,
+ (struct ext2_inode *)buf, isize);
+ if (err) {
+ com_err(argv[0], err, "while reading inode %u", ino);
+ goto err;
+ }
+
+ inode = (struct ext2_inode_large *) buf;
+ size = isize;
+ switch (mode) {
+ case 'b':
+ offset = ((char *) (&inode->i_block)) - ((char *) buf);
+ size = sizeof(inode->i_block);
+ break;
+ case 'x':
+ case 'e':
+ if (size <= EXT2_GOOD_OLD_INODE_SIZE) {
+ com_err(argv[0], 0, "No extra space in inode");
+ goto err;
+ }
+ offset = EXT2_GOOD_OLD_INODE_SIZE + inode->i_extra_isize;
+ if (offset > size)
+ goto err;
+ size -= offset;
+ break;
+ }
+ if (mode == 'x')
+ raw_inode_xattr_dump(stdout, buf + offset, size);
+ else
+ do_byte_hexdump(stdout, buf + offset, size);
+err:
+ ext2fs_free_mem(&buf);
+}
+
+#ifndef READ_ONLY
+void do_set_current_time(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ __s64 now;
+
+ if (common_args_process(argc, argv, 2, 2, argv[0],
+ "<time>", 0))
+ return;
+
+ now = string_to_time(argv[1]);
+ if (now == -1) {
+ com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
+ argv[1]);
+ return;
+
+ } else {
+ printf("Setting current time to %s\n", time_to_string(now));
+ current_fs->now = now;
+ }
+}
+#endif /* READ_ONLY */
+
+static int find_supp_feature(__u32 *supp, int feature_type, char *name)
+{
+ int compat, bit, ret;
+ unsigned int feature_mask;
+
+ if (name) {
+ if (feature_type == E2P_FS_FEATURE)
+ ret = e2p_string2feature(name, &compat, &feature_mask);
+ else
+ ret = e2p_jrnl_string2feature(name, &compat,
+ &feature_mask);
+ if (ret)
+ return ret;
+
+ if (!(supp[compat] & feature_mask))
+ return 1;
+ } else {
+ for (compat = 0; compat < 3; compat++) {
+ for (bit = 0, feature_mask = 1; bit < 32;
+ bit++, feature_mask <<= 1) {
+ if (supp[compat] & feature_mask) {
+ if (feature_type == E2P_FS_FEATURE)
+ fprintf(stdout, " %s",
+ e2p_feature2string(compat,
+ feature_mask));
+ else
+ fprintf(stdout, " %s",
+ e2p_jrnl_feature2string(compat,
+ feature_mask));
+ }
+ }
+ }
+ fprintf(stdout, "\n");
+ }
+
+ return 0;
+}
+
+void do_supported_features(int argc, char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ int ret;
+ __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
+ EXT2_LIB_FEATURE_INCOMPAT_SUPP,
+ EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
+ __u32 jrnl_supp[3] = { JBD2_KNOWN_COMPAT_FEATURES,
+ JBD2_KNOWN_INCOMPAT_FEATURES,
+ JBD2_KNOWN_ROCOMPAT_FEATURES };
+
+ if (argc > 1) {
+ ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
+ if (ret) {
+ ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
+ argv[1]);
+ }
+ if (ret)
+ com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
+ else
+ fprintf(stdout, "Supported feature: %s\n", argv[1]);
+ } else {
+ fprintf(stdout, "Supported features:");
+ ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
+ ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
+ }
+}
+
+#ifndef READ_ONLY
+void do_punch(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t ino;
+ blk64_t start, end;
+ int err;
+ errcode_t errcode;
+
+ if (common_args_process(argc, argv, 3, 4, argv[0],
+ "<file> start_blk [end_blk]",
+ CHECK_FS_RW | CHECK_FS_BITMAPS))
+ return;
+
+ ino = string_to_inode(argv[1]);
+ if (!ino)
+ return;
+ err = strtoblk(argv[0], argv[2], "logical block", &start);
+ if (err)
+ return;
+ if (argc == 4) {
+ err = strtoblk(argv[0], argv[3], "logical block", &end);
+ if (err)
+ return;
+ } else
+ end = ~0;
+
+ errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
+
+ if (errcode) {
+ com_err(argv[0], errcode,
+ "while truncating inode %u from %llu to %llu\n", ino,
+ (unsigned long long) start, (unsigned long long) end);
+ return;
+ }
+}
+
+void do_fallocate(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ ext2_ino_t ino;
+ blk64_t start, end;
+ int err;
+ errcode_t errcode;
+
+ if (common_args_process(argc, argv, 3, 4, argv[0],
+ "<file> start_blk [end_blk]",
+ CHECK_FS_RW | CHECK_FS_BITMAPS))
+ return;
+
+ ino = string_to_inode(argv[1]);
+ if (!ino)
+ return;
+ err = strtoblk(argv[0], argv[2], "logical block", &start);
+ if (err)
+ return;
+ if (argc == 4) {
+ err = strtoblk(argv[0], argv[3], "logical block", &end);
+ if (err)
+ return;
+ } else
+ end = ~0;
+
+ errcode = ext2fs_fallocate(current_fs, EXT2_FALLOCATE_INIT_BEYOND_EOF,
+ ino, NULL, ~0ULL, start, end - start + 1);
+
+ if (errcode) {
+ com_err(argv[0], errcode,
+ "while fallocating inode %u from %llu to %llu\n", ino,
+ (unsigned long long) start, (unsigned long long) end);
+ return;
+ }
+}
+
+void do_symlink(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ errcode_t retval;
+
+ if (common_args_process(argc, argv, 3, 3, "symlink",
+ "<filename> <target>", CHECK_FS_RW))
+ return;
+
+ retval = do_symlink_internal(current_fs, cwd, argv[1], argv[2], root);
+ if (retval)
+ com_err(argv[0], retval, 0);
+
+}
+#endif /* READ_ONLY */
+
+#if CONFIG_MMP
+void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[],
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ struct mmp_struct *mmp_s;
+ unsigned long long mmp_block;
+ time_t t;
+ errcode_t retval = 0;
+
+ if (check_fs_open(argv[0]))
+ return;
+
+ if (argc > 1) {
+ char *end = NULL;
+ mmp_block = strtoull(argv[1], &end, 0);
+ if (end == argv[0] || mmp_block == 0) {
+ fprintf(stderr, "%s: invalid MMP block '%s' given\n",
+ argv[0], argv[1]);
+ return;
+ }
+ } else {
+ mmp_block = current_fs->super->s_mmp_block;
+ }
+
+ if (mmp_block == 0) {
+ fprintf(stderr, "%s: MMP: not active on this filesystem.\n",
+ argv[0]);
+ return;
+ }
+
+ if (current_fs->mmp_buf == NULL) {
+ retval = ext2fs_get_mem(current_fs->blocksize,
+ &current_fs->mmp_buf);
+ if (retval) {
+ com_err(argv[0], retval, "allocating MMP buffer.\n");
+ return;
+ }
+ }
+
+ mmp_s = current_fs->mmp_buf;
+
+ retval = ext2fs_mmp_read(current_fs, mmp_block, current_fs->mmp_buf);
+ if (retval) {
+ com_err(argv[0], retval, "reading MMP block %llu.\n",
+ (unsigned long long) mmp_block);
+ return;
+ }
+
+ t = mmp_s->mmp_time;
+ fprintf(stdout, "block_number: %llu\n",
+ (unsigned long long) current_fs->super->s_mmp_block);
+ fprintf(stdout, "update_interval: %d\n",
+ current_fs->super->s_mmp_update_interval);
+ fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval);
+ fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq);
+ fprintf(stdout, "time: %llu -- %s",
+ (unsigned long long) mmp_s->mmp_time, ctime(&t));
+ fprintf(stdout, "node_name: %.*s\n",
+ EXT2_LEN_STR(mmp_s->mmp_nodename));
+ fprintf(stdout, "device_name: %.*s\n",
+ EXT2_LEN_STR(mmp_s->mmp_bdevname));
+ fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic);
+ fprintf(stdout, "checksum: 0x%08x\n", mmp_s->mmp_checksum);
+}
+#else
+void do_dump_mmp(int argc EXT2FS_ATTR((unused)),
+ char *argv[] EXT2FS_ATTR((unused)),
+ int sci_idx EXT2FS_ATTR((unused)),
+ void *infop EXT2FS_ATTR((unused)))
+{
+ fprintf(stdout, "MMP is unsupported, please recompile with "
+ "--enable-mmp\n");
+}
+#endif
+
+static int source_file(const char *cmd_file, int ss_idx)
+{
+ FILE *f;
+ char buf[BUFSIZ];
+ char *cp;
+ int exit_status = 0;
+ int retval;
+
+ if (strcmp(cmd_file, "-") == 0)
+ f = stdin;
+ else {
+ f = fopen(cmd_file, "r");
+ if (!f) {
+ perror(cmd_file);
+ exit(1);
+ }
+ }
+ fflush(stdout);
+ fflush(stderr);
+ setbuf(stdout, NULL);
+ setbuf(stderr, NULL);
+ while (!feof(f)) {
+ if (fgets(buf, sizeof(buf), f) == NULL)
+ break;
+ if (buf[0] == '#') {
+ printf("%s", buf);
+ continue;
+ }
+ cp = strchr(buf, '\n');
+ if (cp)
+ *cp = 0;
+ cp = strchr(buf, '\r');
+ if (cp)
+ *cp = 0;
+ printf("debugfs: %s\n", buf);
+ retval = ss_execute_line(ss_idx, buf);
+ if (retval) {
+ ss_perror(ss_idx, retval, buf);
+ exit_status++;
+ }
+ }
+ if (f != stdin)
+ fclose(f);
+ return exit_status;
+}
+
+int main(int argc, char **argv)
+{
+ int retval;
+ const char *usage =
+ "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] "
+ "[-R request] [-d data_source_device] [-i] [-n] [-D] [-V] ["
+#ifndef READ_ONLY
+ "[-w] [-z undo_file] "
+#endif
+ "[-c]] [device]";
+ int c;
+ int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES |
+ EXT2_FLAG_64BITS | EXT2_FLAG_THREADS;
+ char *request = 0;
+ int exit_status = 0;
+ char *cmd_file = 0;
+ blk64_t superblock = 0;
+ blk64_t blocksize = 0;
+ int catastrophic = 0;
+ char *data_filename = 0;
+#ifdef READ_ONLY
+ const char *opt_string = "nicR:f:b:s:Vd:D";
+#else
+ const char *opt_string = "niwcR:f:b:s:Vd:Dz:";
+#endif
+ char *undo_file = NULL;
+#ifdef CONFIG_JBD_DEBUG
+ char *jbd_debug;
+#endif
+
+ if (debug_prog_name == 0)
+#ifdef READ_ONLY
+ debug_prog_name = "rdebugfs";
+#else
+ debug_prog_name = "debugfs";
+#endif
+ add_error_table(&et_ext2_error_table);
+ fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
+ E2FSPROGS_VERSION, E2FSPROGS_DATE);
+
+#ifdef CONFIG_JBD_DEBUG
+ jbd_debug = ss_safe_getenv("DEBUGFS_JBD_DEBUG");
+ if (jbd_debug) {
+ int res = sscanf(jbd_debug, "%d", &journal_enable_debug);
+
+ if (res != 1) {
+ fprintf(stderr,
+ "DEBUGFS_JBD_DEBUG \"%s\" not an integer\n\n",
+ jbd_debug);
+ exit(1);
+ }
+ }
+#endif
+ while ((c = getopt (argc, argv, opt_string)) != EOF) {
+ switch (c) {
+ case 'R':
+ request = optarg;
+ break;
+ case 'f':
+ cmd_file = optarg;
+ break;
+ case 'd':
+ data_filename = optarg;
+ break;
+ case 'i':
+ open_flags |= EXT2_FLAG_IMAGE_FILE;
+ break;
+ case 'n':
+ open_flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ break;
+#ifndef READ_ONLY
+ case 'w':
+ open_flags |= EXT2_FLAG_RW;
+ break;
+#endif
+ case 'D':
+ open_flags |= EXT2_FLAG_DIRECT_IO;
+ break;
+ case 'b':
+ blocksize = parse_ulong(optarg, argv[0],
+ "block size", 0);
+ break;
+ case 's':
+ retval = strtoblk(argv[0], optarg,
+ "superblock block number",
+ &superblock);
+ if (retval)
+ return 1;
+ break;
+ case 'c':
+ catastrophic = 1;
+ break;
+ case 'V':
+ /* Print version number and exit */
+ fprintf(stderr, "\tUsing %s\n",
+ error_message(EXT2_ET_BASE));
+ exit(0);
+#ifndef READ_ONLY
+ case 'z':
+ undo_file = optarg;
+ break;
+#endif
+ default:
+ com_err(argv[0], 0, usage, debug_prog_name);
+ return 1;
+ }
+ }
+ if (optind < argc)
+ open_filesystem(argv[optind], open_flags,
+ superblock, blocksize, catastrophic,
+ data_filename, undo_file);
+
+ ss_sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
+ &debug_cmds, &retval);
+ if (retval) {
+ ss_perror(ss_sci_idx, retval, "creating invocation");
+ exit(1);
+ }
+ ss_get_readline(ss_sci_idx);
+
+ (void) ss_add_request_table(ss_sci_idx, &ss_std_requests, 1, &retval);
+ if (retval) {
+ ss_perror(ss_sci_idx, retval, "adding standard requests");
+ exit (1);
+ }
+ if (extra_cmds)
+ ss_add_request_table(ss_sci_idx, extra_cmds, 1, &retval);
+ if (retval) {
+ ss_perror(ss_sci_idx, retval, "adding extra requests");
+ exit (1);
+ }
+ if (request) {
+ retval = 0;
+ retval = ss_execute_line(ss_sci_idx, request);
+ if (retval) {
+ ss_perror(ss_sci_idx, retval, request);
+ exit_status++;
+ }
+ } else if (cmd_file) {
+ exit_status = source_file(cmd_file, ss_sci_idx);
+ } else {
+ ss_listen(ss_sci_idx);
+ }
+
+ ss_delete_invocation(ss_sci_idx);
+
+ if (current_fs)
+ close_filesystem();
+
+ remove_error_table(&et_ext2_error_table);
+ return exit_status;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 10:26:40 +0000