#include <ctype.h>
#include <string.h>
#include <time.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>
#include <sys/types.h>
#include <sys/stat.h>
#include "et/com_err.h"
#include "ss/ss.h"
#include "debugfs.h"
+#include "uuid/uuid.h"
+#include "e2p/e2p.h"
+
+#include "../version.h"
extern ss_request_table debug_cmds;
-ext2_filsys fs = NULL;
-ino_t root, cwd;
+ext2_filsys current_fs = NULL;
+ext2_ino_t root, cwd;
-void open_filesystem(char *device, int open_flags)
+static void open_filesystem(char *device, int open_flags, blk_t superblock,
+ blk_t blocksize, int catastrophic,
+ char *data_filename)
{
int retval;
+ io_channel data_io = 0;
+
+ 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_RW)) {
+ com_err(device, 0,
+ "opening read-only because of catastrophic mode");
+ open_flags &= ~EXT2_FLAG_RW;
+ }
- retval = ext2fs_open(device, open_flags, 0, 0, unix_io_manager, &fs);
+ retval = ext2fs_open(device, open_flags, superblock, blocksize,
+ unix_io_manager, ¤t_fs);
if (retval) {
com_err(device, retval, "while opening filesystem");
- fs = NULL;
+ current_fs = NULL;
return;
}
- retval = ext2fs_read_inode_bitmap(fs);
- if (retval) {
- com_err(device, retval, "while reading inode bitmap");
- goto errout;
+
+ if (catastrophic)
+ com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
+ else {
+ retval = ext2fs_read_inode_bitmap(current_fs);
+ if (retval) {
+ com_err(device, retval, "while reading inode bitmap");
+ goto errout;
+ }
+ retval = ext2fs_read_block_bitmap(current_fs);
+ if (retval) {
+ com_err(device, retval, "while reading block bitmap");
+ goto errout;
+ }
}
- retval = ext2fs_read_block_bitmap(fs);
- if (retval) {
- com_err(device, retval, "while reading block bitmap");
- 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(fs);
+ retval = ext2fs_close(current_fs);
if (retval)
com_err(device, retval, "while trying to close filesystem");
- fs = NULL;
+ current_fs = NULL;
}
void do_open_filesys(int argc, char **argv)
{
- char *usage = "Usage: open [-w] <device>";
- char c;
- int open_flags = 0;
+ const char *usage = "Usage: open [-s superblock] [-b blocksize] [-c] [-w] <device>";
+ int c, err;
+ int catastrophic = 0;
+ blk_t superblock = 0;
+ blk_t blocksize = 0;
+ int open_flags = 0;
+ char *data_filename;
- optind = 0;
- while ((c = getopt (argc, argv, "w")) != EOF) {
+ reset_getopt();
+ while ((c = getopt (argc, argv, "iwfcb:s:d:")) != EOF) {
switch (c) {
+ case 'i':
+ open_flags |= EXT2_FLAG_IMAGE_FILE;
+ break;
case 'w':
- open_flags = EXT2_FLAG_RW;
+ open_flags |= EXT2_FLAG_RW;
+ break;
+ case 'f':
+ open_flags |= EXT2_FLAG_FORCE;
+ break;
+ case 'c':
+ catastrophic = 1;
+ break;
+ case 'd':
+ data_filename = optarg;
+ break;
+ case 'b':
+ blocksize = parse_ulong(optarg, argv[0],
+ "block size", &err);
+ if (err)
+ return;
+ break;
+ case 's':
+ superblock = parse_ulong(optarg, argv[0],
+ "superblock number", &err);
+ if (err)
+ return;
break;
default:
com_err(argv[0], 0, usage);
}
if (check_fs_not_open(argv[0]))
return;
- open_filesystem(argv[optind], open_flags);
+ open_filesystem(argv[optind], open_flags,
+ superblock, blocksize, catastrophic,
+ data_filename);
}
-void close_filesystem()
+void do_lcd(int argc, char **argv)
+{
+ if (common_args_process(argc, argv, 2, 2, "lcd",
+ "<native dir>", 0))
+ 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 (fs->flags & EXT2_FLAG_IB_DIRTY) {
- retval = ext2fs_write_inode_bitmap(fs);
+ if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
+ retval = ext2fs_write_inode_bitmap(current_fs);
if (retval)
com_err("ext2fs_write_inode_bitmap", retval, "");
}
- if (fs->flags & EXT2_FLAG_BB_DIRTY) {
- retval = ext2fs_write_block_bitmap(fs);
+ if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
+ retval = ext2fs_write_block_bitmap(current_fs);
if (retval)
com_err("ext2fs_write_block_bitmap", retval, "");
}
- retval = ext2fs_close(fs);
+ retval = ext2fs_close(current_fs);
if (retval)
com_err("ext2fs_close", retval, "");
- fs = NULL;
+ current_fs = NULL;
return;
}
void do_close_filesys(int argc, char **argv)
{
- if (argc > 1) {
- com_err(argv[0], 0, "Usage: close_filesys");
- return;
- }
- if (check_fs_open(argv[0]))
+ if (common_args_process(argc, argv, 1, 1, "close_filesys", "", 0))
return;
close_filesystem();
}
void do_init_filesys(int argc, char **argv)
{
- char *usage = "Usage: initialize <device> <blocksize>";
struct ext2_super_block param;
errcode_t retval;
- char *tmp;
+ int err;
- if (argc != 3) {
- com_err(argv[0], 0, usage);
- return;
- }
- if (check_fs_not_open(argv[0]))
+ if (common_args_process(argc, argv, 3, 3, "initialize",
+ "<device> <blocksize>", CHECK_FS_NOTOPEN))
return;
memset(¶m, 0, sizeof(struct ext2_super_block));
- param.s_blocks_count = strtoul(argv[2], &tmp, 0);
- if (*tmp) {
- com_err(argv[0], 0, "Bad blocks count - %s", argv[2]);
+ param.s_blocks_count = parse_ulong(argv[2], argv[0],
+ "blocks count", &err);
+ if (err)
return;
- }
- retval = ext2fs_initialize(argv[1], 0, ¶m, unix_io_manager, &fs);
+ retval = ext2fs_initialize(argv[1], 0, ¶m,
+ unix_io_manager, ¤t_fs);
if (retval) {
com_err(argv[1], retval, "while initializing filesystem");
- fs = NULL;
+ 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);
+}
+
void do_show_super_stats(int argc, char *argv[])
{
- int i;
+ dgrp_t i;
FILE *out;
+ struct ext2_group_desc *gdp;
+ int c, header_only = 0;
+ int numdirs = 0;
+ const char *usage = "Usage: show_super [-h]";
- if (argc > 1) {
- com_err(argv[0], 0, "Usage: show_super");
+ reset_getopt();
+ while ((c = getopt (argc, argv, "h")) != EOF) {
+ switch (c) {
+ case 'h':
+ header_only++;
+ break;
+ default:
+ com_err(argv[0], 0, usage);
+ return;
+ }
+ }
+ if (optind != argc) {
+ com_err(argv[0], 0, usage);
return;
}
if (check_fs_open(argv[0]))
return;
out = open_pager();
- fprintf(out, "Filesystem is read-%s\n", fs->flags & EXT2_FLAG_RW ?
- "write" : "only");
- fprintf(out, "Last mount time = %s", ctime(&fs->super->s_mtime));
- fprintf(out, "Last write time = %s", ctime(&fs->super->s_wtime));
- fprintf(out, "Mount counts = %d (maximal = %d)\n",
- fs->super->s_mnt_count, fs->super->s_max_mnt_count);
- fprintf(out, "Superblock size = %d\n", sizeof(struct ext2_super_block));
- fprintf(out, "Block size = %d, fragment size = %d\n",
- EXT2_BLOCK_SIZE(fs->super), EXT2_FRAG_SIZE(fs->super));
- fprintf(out, "%ld inodes, %ld free\n", fs->super->s_inodes_count,
- fs->super->s_free_inodes_count);
- fprintf(out, "%ld blocks, %ld free, %ld reserved, first block = %ld\n",
- fs->super->s_blocks_count, fs->super->s_free_blocks_count,
- fs->super->s_r_blocks_count, fs->super->s_first_data_block);
- fprintf(out, "%ld blocks per group\n", fs->super->s_blocks_per_group);
- fprintf(out, "%ld fragments per group\n", fs->super->s_frags_per_group);
- fprintf(out, "%ld inodes per group\n", EXT2_INODES_PER_GROUP(fs->super));
- fprintf(out, "%d inodes per block\n", EXT2_INODES_PER_BLOCK(fs->super));
- fprintf(out, "%ld group%s (%ld descriptors block%s)\n",
- fs->group_desc_count, (fs->group_desc_count != 1) ? "s" : "",
- fs->desc_blocks, (fs->desc_blocks != 1) ? "s" : "");
- for (i = 0; i < fs->group_desc_count; i++)
- fprintf(out, " Group %2d: block bitmap at %ld, "
- "inode bitmap at %ld, "
- "inode table at %ld\n"
- " %d free block%s, "
- "%d free inode%s, "
- "%d used director%s\n",
- i, fs->group_desc[i].bg_block_bitmap,
- fs->group_desc[i].bg_inode_bitmap,
- fs->group_desc[i].bg_inode_table,
- fs->group_desc[i].bg_free_blocks_count,
- fs->group_desc[i].bg_free_blocks_count != 1 ? "s" : "",
- fs->group_desc[i].bg_free_inodes_count,
- fs->group_desc[i].bg_free_inodes_count != 1 ? "s" : "",
- fs->group_desc[i].bg_used_dirs_count,
- fs->group_desc[i].bg_used_dirs_count != 1 ? "ies" : "y");
+
+ list_super2(current_fs->super, out);
+ for (i=0; i < current_fs->group_desc_count; i++)
+ numdirs += current_fs->group_desc[i].bg_used_dirs_count;
+ fprintf(out, "Directories: %d\n", numdirs);
+
+ if (header_only) {
+ close_pager(out);
+ return;
+ }
+
+ gdp = ¤t_fs->group_desc[0];
+ for (i = 0; i < current_fs->group_desc_count; i++, gdp++)
+ fprintf(out, " Group %2d: block bitmap at %d, "
+ "inode bitmap at %d, "
+ "inode table at %d\n"
+ " %d free %s, "
+ "%d free %s, "
+ "%d used %s\n",
+ i, gdp->bg_block_bitmap,
+ gdp->bg_inode_bitmap, gdp->bg_inode_table,
+ gdp->bg_free_blocks_count,
+ gdp->bg_free_blocks_count != 1 ? "blocks" : "block",
+ gdp->bg_free_inodes_count,
+ gdp->bg_free_inodes_count != 1 ? "inodes" : "inode",
+ gdp->bg_used_dirs_count,
+ gdp->bg_used_dirs_count != 1 ? "directories"
+ : "directory");
close_pager(out);
}
+void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
+ char **argv 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);
+}
+
struct list_blocks_struct {
- FILE *f;
- int total;
+ FILE *f;
+ e2_blkcnt_t total;
+ blk_t first_block, last_block;
+ e2_blkcnt_t first_bcnt, last_bcnt;
+ e2_blkcnt_t first;
};
-int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, void *private)
+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):%d", lb->first_bcnt, lb->first_block);
+ else
+ fprintf(lb->f, "(%lld-%lld):%d-%d", lb->first_bcnt,
+ lb->last_bcnt, lb->first_block, lb->last_block);
+ lb->first_block = 0;
+}
+
+static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
+ blk_t *blocknr, e2_blkcnt_t blockcnt,
+ blk_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *private)
{
struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
- fprintf(lb->f, "%ld ", *blocknr);
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):%d", *blocknr);
+ else if (blockcnt == -2)
+ fprintf(lb->f, "(DIND):%d", *blocknr);
+ else if (blockcnt == -3)
+ fprintf(lb->f, "(TIND):%d", *blocknr);
return 0;
}
-void dump_blocks(FILE *f, ino_t inode)
+static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
{
struct list_blocks_struct lb;
- fprintf(f, "BLOCKS:\n");
+ fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
lb.total = 0;
+ lb.first_block = 0;
lb.f = f;
- ext2fs_block_iterate(fs,inode,0,NULL,list_blocks_proc,(void *)&lb);
+ lb.first = 1;
+ ext2fs_block_iterate2(current_fs, inode, 0, NULL,
+ list_blocks_proc, (void *)&lb);
+ finish_range(&lb);
if (lb.total)
- fprintf(f, "\nTOTAL: %d\n", lb.total);
+ fprintf(f, "\n%sTOTAL: %lld\n", prefix, lb.total);
fprintf(f,"\n");
}
-void dump_inode(ino_t inode_num, struct ext2_inode inode)
+void internal_dump_inode(FILE *out, const char *prefix,
+ ext2_ino_t inode_num, struct ext2_inode *inode,
+ int do_dump_blocks)
{
- char *i_type;
- FILE *out;
+ const char *i_type;
+ char frag, fsize;
+ int os = current_fs->super->s_creator_os;
- out = open_pager();
- if (S_ISDIR(inode.i_mode)) i_type = "directory";
- else if (S_ISREG(inode.i_mode)) i_type = "regular";
- else if (S_ISLNK(inode.i_mode)) i_type = "symlink";
- else if (S_ISBLK(inode.i_mode)) i_type = "block special";
- else if (S_ISCHR(inode.i_mode)) i_type = "character special";
- else if (S_ISFIFO(inode.i_mode)) i_type = "FIFO";
- else if (S_ISSOCK(inode.i_mode)) i_type = "socket";
+ 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, "Inode: %ld Type: %s ", inode_num, i_type);
- fprintf(out, "Mode: %04o Flags: 0x%lx Version: %ld\n",
- inode.i_mode & 0777, inode.i_flags, inode.i_version);
- fprintf(out, "User: %5d Group: %5d Size: %ld\n",
- inode.i_uid, inode.i_gid, inode.i_size);
- fprintf(out, "File ACL: %ld Directory ACL: %ld\n",
- inode.i_file_acl, inode.i_dir_acl);
- fprintf(out, "Links: %d Blockcount: %ld\n", inode.i_links_count,
- inode.i_blocks);
- fprintf(out, "Fragment: Address: %ld Number: %d Size: %d\n",
- inode.i_faddr, inode.i_frag, inode.i_fsize);
- fprintf(out, "ctime: 0x%08lx -- %s", inode.i_ctime,
- ctime(&inode.i_ctime));
- fprintf(out, "atime: 0x%08lx -- %s", inode.i_atime,
- ctime(&inode.i_atime));
- fprintf(out, "mtime: 0x%08lx -- %s", inode.i_mtime,
- ctime(&inode.i_mtime));
- if (inode.i_dtime)
- fprintf(out, "dtime: 0x%08lx -- %s", inode.i_dtime,
- ctime(&inode.i_dtime));
- if (S_ISLNK(inode.i_mode) && inode.i_blocks == 0)
- fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block);
+ fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
+ fprintf(out, "%sMode: %04o Flags: 0x%x Generation: %u\n",
+ prefix,
+ inode->i_mode & 0777, inode->i_flags, inode->i_generation);
+ fprintf(out, "%sUser: %5d Group: %5d Size: ",
+ prefix, inode->i_uid, inode->i_gid);
+ if (LINUX_S_ISREG(inode->i_mode)) {
+ __u64 i_size = (inode->i_size |
+ ((unsigned long long)inode->i_size_high << 32));
+
+ fprintf(out, "%lld\n", i_size);
+ } else
+ fprintf(out, "%d\n", inode->i_size);
+ if (current_fs->super->s_creator_os == EXT2_OS_HURD)
+ fprintf(out,
+ "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
+ prefix,
+ inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
+ inode->osd1.hurd1.h_i_translator);
else
- dump_blocks(out, inode_num);
- close_pager(out);
+ fprintf(out, "%sFile ACL: %d Directory ACL: %d\n",
+ prefix,
+ inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
+ fprintf(out, "%sLinks: %d Blockcount: %d\n",
+ prefix, inode->i_links_count, inode->i_blocks);
+ switch (os) {
+ case EXT2_OS_LINUX:
+ frag = inode->osd2.linux2.l_i_frag;
+ fsize = inode->osd2.linux2.l_i_fsize;
+ break;
+ case EXT2_OS_HURD:
+ frag = inode->osd2.hurd2.h_i_frag;
+ fsize = inode->osd2.hurd2.h_i_fsize;
+ break;
+ case EXT2_OS_MASIX:
+ frag = inode->osd2.masix2.m_i_frag;
+ fsize = inode->osd2.masix2.m_i_fsize;
+ break;
+ default:
+ frag = fsize = 0;
+ }
+ fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
+ prefix, inode->i_faddr, frag, fsize);
+ fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
+ time_to_string(inode->i_ctime));
+ fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
+ time_to_string(inode->i_atime));
+ fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
+ time_to_string(inode->i_mtime));
+ if (inode->i_dtime)
+ fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
+ time_to_string(inode->i_dtime));
+ if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
+ fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
+ (int) inode->i_size, (char *)inode->i_block);
+ 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)
+ 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[])
{
- ino_t inode;
+ ext2_ino_t inode;
struct ext2_inode inode_buf;
- int retval;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: stat <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode, 0))
return;
- retval = ext2fs_read_inode(fs,inode,&inode_buf);
- if (retval)
- {
- com_err(argv[0], 0, "Reading inode");
- return;
- }
+ if (debugfs_read_inode(inode, &inode_buf, argv[0]))
+ return;
dump_inode(inode,inode_buf);
return;
void do_chroot(int argc, char *argv[])
{
- ino_t inode;
+ ext2_ino_t inode;
int retval;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: chroot <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode, 0))
return;
- retval = ext2fs_check_directory(fs, inode);
+ retval = ext2fs_check_directory(current_fs, inode);
if (retval) {
com_err(argv[1], retval, "");
return;
void do_clri(int argc, char *argv[])
{
- ino_t inode;
- int retval;
+ ext2_ino_t inode;
struct ext2_inode inode_buf;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: clri <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
- if (!(fs->flags & EXT2_FLAG_RW)) {
- com_err(argv[0], 0, "Filesystem opened read/only");
- return;
- }
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
return;
- retval = ext2fs_read_inode(fs, inode, &inode_buf);
- if (retval) {
- com_err(argv[0], 0, "while trying to read inode %d", inode);
+ if (debugfs_read_inode(inode, &inode_buf, argv[0]))
return;
- }
memset(&inode_buf, 0, sizeof(inode_buf));
- retval = ext2fs_write_inode(fs, inode, &inode_buf);
- if (retval) {
- com_err(argv[0], retval, "while trying to write inode %d",
- inode);
+ if (debugfs_write_inode(inode, &inode_buf, argv[0]))
return;
- }
}
void do_freei(int argc, char *argv[])
{
- ino_t inode;
+ ext2_ino_t inode;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: freei <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
- if (!(fs->flags & EXT2_FLAG_RW)) {
- com_err(argv[0], 0, "Filesystem opened read/only");
- return;
- }
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode,
+ CHECK_FS_RW | CHECK_FS_BITMAPS))
return;
- if (!ext2fs_test_inode_bitmap(fs->inode_map,inode))
+ if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
com_err(argv[0], 0, "Warning: inode already clear");
- ext2fs_unmark_inode_bitmap(fs->inode_map,inode);
- ext2fs_mark_ib_dirty(fs);
+ ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode);
+ ext2fs_mark_ib_dirty(current_fs);
}
void do_seti(int argc, char *argv[])
{
- ino_t inode;
+ ext2_ino_t inode;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: seti <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
- if (!(fs->flags & EXT2_FLAG_RW)) {
- com_err(argv[0], 0, "Filesystem opened read/only");
- return;
- }
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode,
+ CHECK_FS_RW | CHECK_FS_BITMAPS))
return;
- if (ext2fs_test_inode_bitmap(fs->inode_map,inode))
+ if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
com_err(argv[0], 0, "Warning: inode already set");
- ext2fs_mark_inode_bitmap(fs->inode_map,inode);
- ext2fs_mark_ib_dirty(fs);
+ ext2fs_mark_inode_bitmap(current_fs->inode_map,inode);
+ ext2fs_mark_ib_dirty(current_fs);
}
void do_testi(int argc, char *argv[])
{
- ino_t inode;
+ ext2_ino_t inode;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: testi <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
return;
- if (ext2fs_test_inode_bitmap(fs->inode_map,inode))
- printf("Inode %ld is marked in use\n", inode);
+ if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
+ printf("Inode %u is marked in use\n", inode);
else
- printf("Inode %ld is not in use\n", inode);
+ printf("Inode %u is not in use\n", inode);
}
-
void do_freeb(int argc, char *argv[])
{
blk_t block;
- char *tmp;
+ int count = 1;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: freeb <block>");
+ if (common_block_args_process(argc, argv, &block, &count))
return;
- }
- if (check_fs_open(argv[0]))
- return;
- if (!(fs->flags & EXT2_FLAG_RW)) {
- com_err(argv[0], 0, "Filesystem opened read/only");
+ if (check_fs_read_write(argv[0]))
return;
+ while (count-- > 0) {
+ if (!ext2fs_test_block_bitmap(current_fs->block_map,block))
+ com_err(argv[0], 0, "Warning: block %d already clear",
+ block);
+ ext2fs_unmark_block_bitmap(current_fs->block_map,block);
+ block++;
}
- block = strtoul(argv[1], &tmp, 0);
- if (!block || *tmp) {
- com_err(argv[0], 0, "No block 0");
- return;
- }
- if (!ext2fs_test_block_bitmap(fs->block_map,block))
- com_err(argv[0], 0, "Warning: block already clear");
- ext2fs_unmark_block_bitmap(fs->block_map,block);
- ext2fs_mark_bb_dirty(fs);
+ ext2fs_mark_bb_dirty(current_fs);
}
void do_setb(int argc, char *argv[])
{
blk_t block;
- char *tmp;
+ int count = 1;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: setb <block>");
- return;
- }
- if (check_fs_open(argv[0]))
+ if (common_block_args_process(argc, argv, &block, &count))
return;
- if (!(fs->flags & EXT2_FLAG_RW)) {
- com_err(argv[0], 0, "Filesystem opened read/only");
+ if (check_fs_read_write(argv[0]))
return;
+ while (count-- > 0) {
+ if (ext2fs_test_block_bitmap(current_fs->block_map,block))
+ com_err(argv[0], 0, "Warning: block %d already set",
+ block);
+ ext2fs_mark_block_bitmap(current_fs->block_map,block);
+ block++;
}
- block = strtoul(argv[1], &tmp, 0);
- if (!block || *tmp) {
- com_err(argv[0], 0, "No block 0");
- return;
- }
- if (ext2fs_test_block_bitmap(fs->block_map,block))
- com_err(argv[0], 0, "Warning: block already set");
- ext2fs_mark_block_bitmap(fs->block_map,block);
- ext2fs_mark_bb_dirty(fs);
+ ext2fs_mark_bb_dirty(current_fs);
}
void do_testb(int argc, char *argv[])
{
blk_t block;
- char *tmp;
+ int count = 1;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: testb <block>");
+ if (common_block_args_process(argc, argv, &block, &count))
return;
+ while (count-- > 0) {
+ if (ext2fs_test_block_bitmap(current_fs->block_map,block))
+ printf("Block %d marked in use\n", block);
+ else
+ printf("Block %d not in use\n", block);
+ block++;
}
- if (check_fs_open(argv[0]))
- return;
- block = strtoul(argv[1], &tmp, 0);
- if (!block || *tmp) {
- com_err(argv[0], 0, "No block 0");
- return;
- }
- if (ext2fs_test_block_bitmap(fs->block_map,block))
- printf("Block %ld marked in use\n", block);
- else printf("Block %ld not in use\n", block);
}
-void modify_char(char *com, char *prompt, char *format, u_char *val)
+static void modify_u8(char *com, const char *prompt,
+ const char *format, __u8 *val)
{
char buf[200];
- u_char v;
+ unsigned long v;
char *tmp;
sprintf(buf, format, *val);
buf[strlen (buf) - 1] = '\0';
if (!buf[0])
return;
- v = strtol(buf, &tmp, 0);
+ v = strtoul(buf, &tmp, 0);
if (*tmp)
com_err(com, 0, "Bad value - %s", buf);
else
*val = v;
}
-void modify_short(char *com, char *prompt, char *format, u_short *val)
+static void modify_u16(char *com, const char *prompt,
+ const char *format, __u16 *val)
{
char buf[200];
- u_short v;
+ unsigned long v;
char *tmp;
sprintf(buf, format, *val);
buf[strlen (buf) - 1] = '\0';
if (!buf[0])
return;
- v = strtol(buf, &tmp, 0);
+ v = strtoul(buf, &tmp, 0);
if (*tmp)
com_err(com, 0, "Bad value - %s", buf);
else
*val = v;
}
-void modify_long(char *com, char *prompt, char *format, u_long *val)
+static void modify_u32(char *com, const char *prompt,
+ const char *format, __u32 *val)
{
char buf[200];
- u_long v;
+ unsigned long v;
char *tmp;
sprintf(buf, format, *val);
buf[strlen (buf) - 1] = '\0';
if (!buf[0])
return;
- v = strtol(buf, &tmp, 0);
+ v = strtoul(buf, &tmp, 0);
if (*tmp)
com_err(com, 0, "Bad value - %s", buf);
else
void do_modify_inode(int argc, char *argv[])
{
struct ext2_inode inode;
- ino_t inode_num;
- int i;
- errcode_t retval;
- char buf[80];
- char *hex_format = "0x%x";
- char *octal_format = "0%o";
- char *decimal_format = "%d";
+ 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";
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: modify_inode <file>");
+ if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
return;
- }
- if (check_fs_open(argv[0]))
- return;
- if (!(fs->flags & EXT2_FLAG_RW)) {
- com_err(argv[0], 0, "Filesystem opened read/only");
- return;
- }
- inode_num = string_to_inode(argv[1]);
- if (!inode_num)
- return;
+ os = current_fs->super->s_creator_os;
- retval = ext2fs_read_inode(fs, inode_num, &inode);
- if (retval) {
- com_err(argv[1], retval, "while trying to read inode %d",
- inode_num);
+ if (debugfs_read_inode(inode_num, &inode, argv[1]))
return;
- }
- modify_short(argv[0], "Mode", octal_format, &inode.i_mode);
- modify_short(argv[0], "User ID", decimal_format, &inode.i_uid);
- modify_short(argv[0], "Group ID", decimal_format, &inode.i_gid);
- modify_long(argv[0], "Size", decimal_format, &inode.i_size);
- modify_long(argv[0], "Creation time", decimal_format, &inode.i_ctime);
- modify_long(argv[0], "Modification time", decimal_format, &inode.i_mtime);
- modify_long(argv[0], "Access time", decimal_format, &inode.i_atime);
- modify_long(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
- modify_short(argv[0], "Link count", decimal_format, &inode.i_links_count);
- modify_long(argv[0], "Block count", decimal_format, &inode.i_blocks);
- modify_long(argv[0], "File flags", hex_format, &inode.i_flags);
- modify_long(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
- modify_long(argv[0], "File acl", decimal_format, &inode.i_file_acl);
- modify_long(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
- modify_long(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
- modify_char(argv[0], "Fragment number", decimal_format, &inode.i_frag);
- modify_char(argv[0], "Fragment size", decimal_format, &inode.i_fsize);
+ 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", decimal_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);
+ modify_u32(argv[0], "Block count", decimal_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);
+ if (LINUX_S_ISDIR(inode.i_mode))
+ modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
+ else
+ modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
+
+ if (current_fs->super->s_creator_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_LINUX:
+ frag = &inode.osd2.linux2.l_i_frag;
+ fsize = &inode.osd2.linux2.l_i_fsize;
+ break;
+ case EXT2_OS_HURD:
+ frag = &inode.osd2.hurd2.h_i_frag;
+ fsize = &inode.osd2.hurd2.h_i_fsize;
+ break;
+ case EXT2_OS_MASIX:
+ frag = &inode.osd2.masix2.m_i_frag;
+ fsize = &inode.osd2.masix2.m_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 #%d", i);
- modify_long(argv[0], buf, decimal_format, &inode.i_block[i]);
+ modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
}
- modify_long(argv[0], "Indirect Block", decimal_format,
+ modify_u32(argv[0], "Indirect Block", decimal_format,
&inode.i_block[EXT2_IND_BLOCK]);
- modify_long(argv[0], "Double Indirect Block", decimal_format,
+ modify_u32(argv[0], "Double Indirect Block", decimal_format,
&inode.i_block[EXT2_DIND_BLOCK]);
- modify_long(argv[0], "Triple Indirect Block", decimal_format,
+ modify_u32(argv[0], "Triple Indirect Block", decimal_format,
&inode.i_block[EXT2_TIND_BLOCK]);
- retval = ext2fs_write_inode(fs, inode_num, &inode);
- if (retval) {
- com_err(argv[1], retval, "while trying to write inode %d",
- inode_num);
+ if (debugfs_write_inode(inode_num, &inode, argv[1]))
return;
- }
-}
-
-/*
- * list directory
- */
-
-struct list_dir_struct {
- FILE *f;
- int col;
-};
-
-int list_dir_proc(struct ext2_dir_entry *dirent,
- int offset,
- int blocksize,
- char *buf,
- void *private)
-{
- char name[EXT2_NAME_LEN];
- char tmp[EXT2_NAME_LEN + 16];
-
- struct list_dir_struct *ls = (struct list_dir_struct *) private;
- int thislen;
-
- thislen = (dirent->name_len < EXT2_NAME_LEN) ? dirent->name_len :
- EXT2_NAME_LEN;
- strncpy(name, dirent->name, thislen);
- name[thislen] = '\0';
-
- sprintf(tmp, "%ld (%d) %s ", dirent->inode, dirent->rec_len, name);
- thislen = strlen(tmp);
-
- if (ls->col + thislen > 80) {
- fprintf(ls->f, "\n");
- ls->col = 0;
- }
- fprintf(ls->f, "%s", tmp);
- ls->col += thislen;
-
- return 0;
-}
-
-void do_list_dir(int argc, char *argv[])
-{
- ino_t inode;
- int retval;
- struct list_dir_struct ls;
-
- if (argc > 2) {
- com_err(argv[0], 0, "Usage: list_dir [pathname]");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
-
- if (argc == 2)
- inode = string_to_inode(argv[1]);
- else
- inode = cwd;
- if (!inode)
- return;
-
- ls.f = open_pager();
- ls.col = 0;
- retval = ext2fs_dir_iterate(fs, inode, DIRENT_FLAG_INCLUDE_EMPTY,
- 0, list_dir_proc, &ls);
- fprintf(ls.f, "\n");
- close_pager(ls.f);
- if (retval)
- com_err(argv[1], retval, "");
-
- return;
}
void do_change_working_dir(int argc, char *argv[])
{
- ino_t inode;
- int retval;
+ ext2_ino_t inode;
+ int retval;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: cd <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
-
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode, 0))
return;
- retval = ext2fs_check_directory(fs, inode);
+ retval = ext2fs_check_directory(current_fs, inode);
if (retval) {
com_err(argv[1], retval, "");
return;
int retval;
char *pathname = NULL;
- if (argc > 1) {
- com_err(argv[0], 0, "Usage: print_working_directory");
- return;
- }
- if (check_fs_open(argv[0]))
+ if (common_args_process(argc, argv, 1, 1,
+ "print_working_directory", "", 0))
return;
- retval = ext2fs_get_pathname(fs, cwd, 0, &pathname);
+ 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: %6ld PATH: %s\n", cwd, pathname);
+ printf("[pwd] INODE: %6u PATH: %s\n", cwd, pathname);
free(pathname);
- retval = ext2fs_get_pathname(fs, root, 0, &pathname);
+ 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: %6ld PATH: %s\n", root, pathname);
+ printf("[root] INODE: %6u PATH: %s\n", root, pathname);
free(pathname);
return;
}
+/*
+ * Given a mode, return the ext2 file type
+ */
+static int ext2_file_type(unsigned int mode)
+{
+ if (LINUX_S_ISREG(mode))
+ return EXT2_FT_REG_FILE;
-void make_link(char *sourcename, char *destname)
+ if (LINUX_S_ISDIR(mode))
+ return EXT2_FT_DIR;
+
+ if (LINUX_S_ISCHR(mode))
+ return EXT2_FT_CHRDEV;
+
+ if (LINUX_S_ISBLK(mode))
+ return EXT2_FT_BLKDEV;
+
+ if (LINUX_S_ISLNK(mode))
+ return EXT2_FT_SYMLINK;
+
+ if (LINUX_S_ISFIFO(mode))
+ return EXT2_FT_FIFO;
+
+ if (LINUX_S_ISSOCK(mode))
+ return EXT2_FT_SOCK;
+
+ return 0;
+}
+
+static void make_link(char *sourcename, char *destname)
{
- ino_t inode;
- int retval;
- ino_t dir;
- char *dest, *cp, *basename;
+ ext2_ino_t ino;
+ struct ext2_inode inode;
+ int retval;
+ ext2_ino_t dir;
+ char *dest, *cp, *basename;
/*
* Get the source inode
*/
- inode = string_to_inode(sourcename);
- if (!inode)
+ ino = string_to_inode(sourcename);
+ if (!ino)
return;
basename = strrchr(sourcename, '/');
if (basename)
* Figure out the destination. First see if it exists and is
* a directory.
*/
- if (! (retval=ext2fs_namei(fs, root, cwd, destname, &dir)))
+ if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
dest = basename;
else {
/*
dest = destname;
}
}
+
+ if (debugfs_read_inode(ino, &inode, sourcename))
+ return;
- retval = ext2fs_link(fs, dir, dest, inode, 0);
+ retval = ext2fs_link(current_fs, dir, dest, ino,
+ ext2_file_type(inode.i_mode));
if (retval)
com_err("make_link", retval, "");
return;
void do_link(int argc, char *argv[])
{
- if (argc != 3) {
- com_err(argv[0], 0, "Usage: link <source_file> <dest_name>");
+ 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, blk_t *blocknr,
+ int blockcnt EXT2FS_ATTR((unused)),
+ void *private EXT2FS_ATTR((unused)))
+{
+ blk_t block;
+
+ block = *blocknr;
+ ext2fs_block_alloc_stats(fs, block, +1);
+ return 0;
+}
+
+void do_undel(int argc, char *argv[])
+{
+ ext2_ino_t ino;
+ struct ext2_inode inode;
+
+ if (common_args_process(argc, argv, 3, 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_bitmap(current_fs->inode_map, ino)) {
+ com_err(argv[1], 0, "Inode is not marked as deleted");
return;
}
- if (check_fs_open(argv[0]))
+
+ /*
+ * 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_iterate(current_fs, ino, 0, NULL,
+ mark_blocks_proc, NULL);
+
+ ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
+
make_link(argv[1], argv[2]);
}
-
-void unlink_file_by_name(char *filename)
+static void unlink_file_by_name(char *filename)
{
- int retval;
- ino_t dir;
- char *basename;
+ int retval;
+ ext2_ino_t dir;
+ char *basename;
basename = strrchr(filename, '/');
if (basename) {
- *basename++ = '0';
+ *basename++ = '\0';
dir = string_to_inode(filename);
if (!dir)
return;
dir = cwd;
basename = filename;
}
- retval = ext2fs_unlink(fs, dir, basename, 0, 0);
+ retval = ext2fs_unlink(current_fs, dir, basename, 0, 0);
if (retval)
com_err("unlink_file_by_name", retval, "");
return;
void do_unlink(int argc, char *argv[])
{
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: unlink <pathname>");
- return;
- }
- if (check_fs_open(argv[0]))
+ if (common_args_process(argc, argv, 2, 2, "link",
+ "<pathname>", CHECK_FS_RW))
return;
unlink_file_by_name(argv[1]);
void do_find_free_block(int argc, char *argv[])
{
blk_t free_blk, goal;
+ int count;
errcode_t retval;
char *tmp;
- if (argc > 2 || *argv[1] == '?') {
- com_err(argv[0], 0, "Usage: find_free_block <goal>");
+ 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) {
- goal = strtol(argv[1], &tmp, 0);
+ 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 = fs->super->s_first_data_block;
-
- retval = ext2fs_new_block(fs, goal, 0, &free_blk);
- if (retval)
- com_err("ext2fs_new_block", retval, "");
- else
- printf("Free block found: %ld\n", free_blk);
-
+ goal = current_fs->super->s_first_data_block;
+
+ printf("Free blocks found: ");
+ free_blk = goal - 1;
+ while (count-- > 0) {
+ retval = ext2fs_new_block(current_fs, free_blk + 1, 0,
+ &free_blk);
+ if (retval) {
+ com_err("ext2fs_new_block", retval, "");
+ return;
+ } else
+ printf("%d ", free_blk);
+ }
+ printf("\n");
}
void do_find_free_inode(int argc, char *argv[])
{
- ino_t free_inode, dir;
- int mode;
- int retval;
- char *tmp;
+ ext2_ino_t free_inode, dir;
+ int mode;
+ int retval;
+ char *tmp;
- if (argc > 3 || *argv[1] == '?') {
- com_err(argv[0], 0, "Usage: find_free_inode <dir> <mode>");
+ 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]))
com_err(argv[0], 0, "Bad mode - %s", argv[2]);
return;
}
- }
- else
+ } else
mode = 010755;
- retval = ext2fs_new_inode(fs, dir, mode, 0, &free_inode);
+ retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
if (retval)
com_err("ext2fs_new_inode", retval, "");
else
- printf("Free inode found: %ld\n", free_inode);
+ printf("Free inode found: %u\n", free_inode);
+}
+
+static errcode_t copy_file(int fd, ext2_ino_t newfile)
+{
+ ext2_file_t e2_file;
+ errcode_t retval;
+ int got;
+ unsigned int written;
+ char buf[8192];
+ char *ptr;
+
+ retval = ext2fs_file_open(current_fs, newfile,
+ EXT2_FILE_WRITE, &e2_file);
+ if (retval)
+ return retval;
+
+ while (1) {
+ got = read(fd, buf, sizeof(buf));
+ if (got == 0)
+ break;
+ if (got < 0) {
+ retval = errno;
+ goto fail;
+ }
+ ptr = buf;
+ while (got > 0) {
+ retval = ext2fs_file_write(e2_file, ptr,
+ got, &written);
+ if (retval)
+ goto fail;
+
+ got -= written;
+ ptr += written;
+ }
+ }
+ retval = ext2fs_file_close(e2_file);
+ return retval;
+
+fail:
+ (void) ext2fs_file_close(e2_file);
+ return retval;
+}
+
+
+void do_write(int argc, char *argv[])
+{
+ int fd;
+ struct stat statbuf;
+ ext2_ino_t newfile;
+ errcode_t retval;
+ struct ext2_inode inode;
+
+ if (common_args_process(argc, argv, 3, 3, "write",
+ "<native file> <new file>", CHECK_FS_RW))
+ return;
+
+ fd = open(argv[1], O_RDONLY);
+ if (fd < 0) {
+ com_err(argv[1], errno, "");
+ return;
+ }
+ if (fstat(fd, &statbuf) < 0) {
+ com_err(argv[1], errno, "");
+ close(fd);
+ return;
+ }
+
+ retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
+ if (retval == 0) {
+ com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
+ close(fd);
+ return;
+ }
+
+ retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
+ if (retval) {
+ com_err(argv[0], retval, "");
+ close(fd);
+ return;
+ }
+ printf("Allocated inode: %u\n", newfile);
+ retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
+ EXT2_FT_REG_FILE);
+ if (retval == EXT2_ET_DIR_NO_SPACE) {
+ retval = ext2fs_expand_dir(current_fs, cwd);
+ if (retval) {
+ com_err(argv[0], retval, "while expanding directory");
+ return;
+ }
+ retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
+ EXT2_FT_REG_FILE);
+ }
+ if (retval) {
+ com_err(argv[2], retval, "");
+ close(fd);
+ return;
+ }
+ if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile))
+ com_err(argv[0], 0, "Warning: inode already set");
+ ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
+ memset(&inode, 0, sizeof(inode));
+ inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
+ inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL);
+ inode.i_links_count = 1;
+ inode.i_size = statbuf.st_size;
+ if (debugfs_write_inode(newfile, &inode, argv[0])) {
+ close(fd);
+ return;
+ }
+ if (LINUX_S_ISREG(inode.i_mode)) {
+ retval = copy_file(fd, newfile);
+ if (retval)
+ com_err("copy_file", retval, "");
+ }
+ close(fd);
+}
+
+void do_mknod(int argc, char *argv[])
+{
+ unsigned long mode, major, minor;
+ ext2_ino_t newfile;
+ errcode_t retval;
+ struct ext2_inode inode;
+ int filetype, nr;
+
+ 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;
+ }
+ mode = minor = major = 0;
+ switch (argv[2][0]) {
+ case 'p':
+ mode = LINUX_S_IFIFO;
+ filetype = EXT2_FT_FIFO;
+ nr = 3;
+ break;
+ case 'c':
+ mode = LINUX_S_IFCHR;
+ filetype = EXT2_FT_CHRDEV;
+ nr = 5;
+ break;
+ case 'b':
+ mode = LINUX_S_IFBLK;
+ filetype = EXT2_FT_BLKDEV;
+ nr = 5;
+ break;
+ default:
+ filetype = 0;
+ 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;
+ if (check_fs_read_write(argv[0]))
+ return;
+ retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
+ if (retval) {
+ com_err(argv[0], retval, "");
+ return;
+ }
+ printf("Allocated inode: %u\n", newfile);
+ retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
+ if (retval == EXT2_ET_DIR_NO_SPACE) {
+ retval = ext2fs_expand_dir(current_fs, cwd);
+ if (retval) {
+ com_err(argv[0], retval, "while expanding directory");
+ return;
+ }
+ retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
+ filetype);
+ }
+ if (retval) {
+ com_err(argv[1], retval, "");
+ return;
+ }
+ if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile))
+ com_err(argv[0], 0, "Warning: inode already set");
+ ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile);
+ ext2fs_mark_ib_dirty(current_fs);
+ memset(&inode, 0, sizeof(inode));
+ inode.i_mode = mode;
+ inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL);
+ if ((major < 256) && (minor < 256)) {
+ inode.i_block[0] = major*256+minor;
+ inode.i_block[1] = 0;
+ } else {
+ inode.i_block[0] = 0;
+ inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
+ }
+ inode.i_links_count = 1;
+ if (debugfs_write_inode(newfile, &inode, argv[0]))
+ return;
}
void do_mkdir(int argc, char *argv[])
{
char *cp;
- ino_t parent;
+ ext2_ino_t parent;
char *name;
errcode_t retval;
- if (check_fs_open(argv[0]))
- return;
-
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: mkdir <file>");
+ if (common_args_process(argc, argv, 2, 2, "mkdir",
+ "<filename>", CHECK_FS_RW))
return;
- }
cp = strrchr(argv[1], '/');
if (cp) {
name = argv[1];
}
-
- retval = ext2fs_mkdir(fs, parent, 0, name);
+try_again:
+ retval = ext2fs_mkdir(current_fs, parent, 0, name);
+ if (retval == EXT2_ET_DIR_NO_SPACE) {
+ retval = ext2fs_expand_dir(current_fs, parent);
+ if (retval) {
+ com_err("argv[0]", retval, "while expanding directory");
+ return;
+ }
+ goto try_again;
+ }
if (retval) {
com_err("ext2fs_mkdir", retval, "");
return;
}
-void do_rmdir(int argc, char *argv[])
+static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
+ int blockcnt EXT2FS_ATTR((unused)),
+ void *private EXT2FS_ATTR((unused)))
{
- printf("Unimplemented\n");
-}
+ blk_t block;
-
-int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, void *private)
-{
- printf("%ld ", *blocknr);
- ext2fs_unmark_block_bitmap(fs->block_map,*blocknr);
+ block = *blocknr;
+ ext2fs_block_alloc_stats(fs, block, -1);
return 0;
}
-void kill_file_by_inode(ino_t inode)
+static void kill_file_by_inode(ext2_ino_t inode)
{
struct ext2_inode inode_buf;
- ext2fs_read_inode(fs, inode, &inode_buf);
+ if (debugfs_read_inode(inode, &inode_buf, 0))
+ return;
inode_buf.i_dtime = time(NULL);
- ext2fs_write_inode(fs, inode, &inode_buf);
-
- printf("Kill file by inode %ld\n", inode);
- ext2fs_block_iterate(fs,inode,0,NULL,release_blocks_proc,NULL);
- ext2fs_unmark_inode_bitmap(fs->inode_map,inode);
+ if (debugfs_write_inode(inode, &inode_buf, 0))
+ return;
+ if (!ext2fs_inode_has_valid_blocks(&inode_buf))
+ return;
- ext2fs_mark_bb_dirty(fs);
- ext2fs_mark_ib_dirty(fs);
+ ext2fs_block_iterate(current_fs, inode, 0, NULL,
+ release_blocks_proc, NULL);
+ 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[])
{
- ino_t inode_num;
+ ext2_ino_t inode_num;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: kill_file <file>");
- return;
- }
- if (check_fs_open(argv[0]))
+ if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
return;
- inode_num = string_to_inode(argv[1]);
- if (!inode_num) {
- com_err(argv[0], 0, "Cannot find file");
- return;
- }
kill_file_by_inode(inode_num);
}
void do_rm(int argc, char *argv[])
{
int retval;
- ino_t inode_num;
+ ext2_ino_t inode_num;
struct ext2_inode inode;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: rm <filename>");
+ 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 (check_fs_open(argv[0]))
+
+ if (debugfs_read_inode(inode_num, &inode, argv[0]))
return;
- retval = ext2fs_namei(fs, root, cwd, argv[1], &inode_num);
- if (retval) {
- com_err(argv[0], 0, "Cannot find file");
+ if (LINUX_S_ISDIR(inode.i_mode)) {
+ com_err(argv[0], 0, "file is a directory");
return;
}
- retval = ext2fs_read_inode(fs,inode_num,&inode);
+ --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 (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
+ return 0;
+ if (((dirent->name_len&0xFF) == 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 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 reading file's inode");
+ com_err(argv[0], retval, "while trying to resolve filename");
return;
}
- if (S_ISDIR(inode.i_mode)) {
- com_err(argv[0], 0, "file is a directory");
+ 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;
}
- --inode.i_links_count;
- retval = ext2fs_write_inode(fs,inode_num,&inode);
+ 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 writing inode");
+ 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]);
- if (inode.i_links_count == 0)
- kill_file_by_inode(inode_num);
+ 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;
+ }
}
-void do_show_debugfs_params(int argc, char *argv[])
+void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
+ char *argv[] EXT2FS_ATTR((unused)))
{
FILE *out = stdout;
- fprintf(out, "Open mode: read-%s\n",
- fs->flags & EXT2_FLAG_RW ? "write" : "only");
+ if (current_fs)
+ fprintf(out, "Open mode: read-%s\n",
+ current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
fprintf(out, "Filesystem in use: %s\n",
- fs ? fs->device_name : "--none--");
+ current_fs ? current_fs->device_name : "--none--");
}
void do_expand_dir(int argc, char *argv[])
{
- ino_t inode;
+ ext2_ino_t inode;
int retval;
- if (argc != 2) {
- com_err(argv[0], 0, "Usage: expand_dir <file>");
- return;
- }
- if (check_fs_open(argv[0]))
- return;
- inode = string_to_inode(argv[1]);
- if (!inode)
+ if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
return;
- retval = ext2fs_expand_dir(fs, inode);
+ retval = ext2fs_expand_dir(current_fs, inode);
if (retval)
com_err("ext2fs_expand_dir", retval, "");
return;
}
-void main(int argc, char **argv)
+void do_features(int argc, char *argv[])
{
- int retval;
- int sci_idx;
- char *usage = "Usage: debugfs [[-w] device]";
- char c;
- int open_flags = 0;
+ 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],
+ ¤t_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);
+}
+
+void do_bmap(int argc, char *argv[])
+{
+ ext2_ino_t ino;
+ blk_t blk, pblk;
+ int err;
+ errcode_t errcode;
+
+ if (common_args_process(argc, argv, 3, 3, argv[0],
+ "<file> logical_blk", 0))
+ return;
+
+ ino = string_to_inode(argv[1]);
+ if (!ino)
+ return;
+ blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
+
+ errcode = ext2fs_bmap(current_fs, ino, 0, 0, 0, blk, &pblk);
+ if (errcode) {
+ com_err("argv[0]", errcode,
+ "while mapping logical block %d\n", blk);
+ return;
+ }
+ printf("%d\n", pblk);
+}
+
+void do_imap(int argc, char *argv[])
+{
+ 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 (!current_fs->group_desc[(unsigned)group].bg_inode_table) {
+ com_err(argv[0], 0, "Inode table for group %lu is missing\n",
+ group);
+ return;
+ }
+ block_nr = current_fs->group_desc[(unsigned)group].bg_inode_table +
+ block;
+ offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
+
+ printf("Inode %d is part of block group %lu\n"
+ "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
+ block_nr, offset);
+
+}
+
+
+
+static int source_file(const char *cmd_file, int sci_idx)
+{
+ FILE *f;
+ char buf[256];
+ 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);
+ }
+ }
+ setbuf(stdout, NULL);
+ setbuf(stderr, NULL);
+ while (!feof(f)) {
+ if (fgets(buf, sizeof(buf), f) == NULL)
+ break;
+ 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(sci_idx, buf);
+ if (retval) {
+ ss_perror(sci_idx, retval, buf);
+ exit_status++;
+ }
+ }
+ return exit_status;
+}
+
+int main(int argc, char **argv)
+{
+ int retval;
+ int sci_idx;
+ const char *usage = "Usage: debugfs [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
+ int c;
+ int open_flags = 0;
+ char *request = 0;
+ int exit_status = 0;
+ char *cmd_file = 0;
+ blk_t superblock = 0;
+ blk_t blocksize = 0;
+ int catastrophic = 0;
+ char *data_filename = 0;
initialize_ext2_error_table();
+ fprintf (stderr, "debugfs %s (%s)\n", E2FSPROGS_VERSION,
+ E2FSPROGS_DATE);
- while ((c = getopt (argc, argv, "w")) != EOF) {
+ while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:")) != 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 'w':
- open_flags = EXT2_FLAG_RW;
+ open_flags |= EXT2_FLAG_RW;
+ break;
+ case 'b':
+ blocksize = parse_ulong(optarg, argv[0],
+ "block size", 0);
+ break;
+ case 's':
+ superblock = parse_ulong(optarg, argv[0],
+ "superblock number", 0);
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);
default:
com_err(argv[0], 0, usage);
- return;
+ return 1;
}
}
if (optind < argc)
- open_filesystem(argv[optind], open_flags);
+ open_filesystem(argv[optind], open_flags,
+ superblock, blocksize, catastrophic,
+ data_filename);
sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL,
&debug_cmds, &retval);
ss_perror(sci_idx, retval, "creating invocation");
exit(1);
}
+ ss_get_readline(sci_idx);
(void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
if (retval) {
ss_perror(sci_idx, retval, "adding standard requests");
exit (1);
}
+ if (request) {
+ retval = 0;
+ retval = ss_execute_line(sci_idx, request);
+ if (retval) {
+ ss_perror(sci_idx, retval, request);
+ exit_status++;
+ }
+ } else if (cmd_file) {
+ exit_status = source_file(cmd_file, sci_idx);
+ } else {
+ ss_listen(sci_idx);
+ }
- ss_listen(sci_idx);
-
- if (fs)
+ if (current_fs)
close_filesystem();
- exit(0);
+ return exit_status;
}
-