#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_OPTRESET
+extern int optreset; /* defined by BSD, but not others */
+#endif
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
ext2_filsys fs = NULL;
ino_t root, cwd;
-void open_filesystem(char *device, int open_flags)
+static void open_filesystem(char *device, int open_flags)
{
int retval;
void do_open_filesys(int argc, char **argv)
{
- char *usage = "Usage: open [-w] <device>";
+ const char *usage = "Usage: open [-w] <device>";
char c;
int open_flags = 0;
- optind = 0;
+ optind = 1;
+#ifdef HAVE_OPTRESET
+ optreset = 1; /* Makes BSD getopt happy */
+#endif
while ((c = getopt (argc, argv, "w")) != EOF) {
switch (c) {
case 'w':
open_filesystem(argv[optind], open_flags);
}
-void close_filesystem()
+static void close_filesystem(NOARGS)
{
int retval;
void do_init_filesys(int argc, char **argv)
{
- char *usage = "Usage: initialize <device> <blocksize>";
+ const char *usage = "Usage: initialize <device> <blocksize>";
struct ext2_super_block param;
errcode_t retval;
char *tmp;
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,
+ fprintf(out, "%d inodes, %d 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",
+ fprintf(out, "%d blocks, %d free, %d reserved, first block = %d\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 blocks per group\n", fs->super->s_blocks_per_group);
+ fprintf(out, "%d fragments per group\n", fs->super->s_frags_per_group);
+ fprintf(out, "%d 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"
+ fprintf(out, " Group %2d: block bitmap at %d, "
+ "inode bitmap at %d, "
+ "inode table at %d\n"
" %d free block%s, "
"%d free inode%s, "
"%d used director%s\n",
int total;
};
-int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, void *private)
+static int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt,
+ void *private)
{
struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
- fprintf(lb->f, "%ld ", *blocknr);
+ fprintf(lb->f, "%d ", *blocknr);
lb->total++;
return 0;
}
-void dump_blocks(FILE *f, ino_t inode)
+static void dump_blocks(FILE *f, ino_t inode)
{
struct list_blocks_struct lb;
}
-void dump_inode(ino_t inode_num, struct ext2_inode inode)
+static void dump_inode(ino_t inode_num, struct ext2_inode inode)
{
- char *i_type;
+ const char *i_type;
FILE *out;
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",
+ fprintf(out, "Mode: %04o Flags: 0x%x Version: %d\n",
inode.i_mode & 0777, inode.i_flags, inode.i_version);
- fprintf(out, "User: %5d Group: %5d Size: %ld\n",
+ fprintf(out, "User: %5d Group: %5d Size: %d\n",
inode.i_uid, inode.i_gid, inode.i_size);
- fprintf(out, "File ACL: %ld Directory ACL: %ld\n",
+ fprintf(out, "File ACL: %d Directory ACL: %d\n",
inode.i_file_acl, inode.i_dir_acl);
- fprintf(out, "Links: %d Blockcount: %ld\n", inode.i_links_count,
+ fprintf(out, "Links: %d Blockcount: %d\n", inode.i_links_count,
inode.i_blocks);
- fprintf(out, "Fragment: Address: %ld Number: %d Size: %d\n",
+#if HAVE_EXT2_FRAGS
+ fprintf(out, "Fragment: Address: %d Number: %d Size: %d\n",
inode.i_faddr, inode.i_frag, inode.i_fsize);
- fprintf(out, "ctime: 0x%08lx -- %s", inode.i_ctime,
+#endif
+ fprintf(out, "ctime: 0x%08x -- %s", inode.i_ctime,
ctime(&inode.i_ctime));
- fprintf(out, "atime: 0x%08lx -- %s", inode.i_atime,
+ fprintf(out, "atime: 0x%08x -- %s", inode.i_atime,
ctime(&inode.i_atime));
- fprintf(out, "mtime: 0x%08lx -- %s", inode.i_mtime,
+ fprintf(out, "mtime: 0x%08x -- %s", inode.i_mtime,
ctime(&inode.i_mtime));
if (inode.i_dtime)
- fprintf(out, "dtime: 0x%08lx -- %s", inode.i_dtime,
+ fprintf(out, "dtime: 0x%08x -- %s", inode.i_dtime,
ctime(&inode.i_dtime));
- if (S_ISLNK(inode.i_mode) && inode.i_blocks == 0)
+ if (LINUX_S_ISLNK(inode.i_mode) && inode.i_blocks == 0)
fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block);
else
dump_blocks(out, inode_num);
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);
+ printf("Block %d marked in use\n", block);
+ else printf("Block %d 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;
*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;
*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;
int i;
errcode_t retval;
char buf[80];
- char *hex_format = "0x%x";
- char *octal_format = "0%o";
- char *decimal_format = "%d";
+ 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>");
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);
+#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], "Directory acl", decimal_format, &inode.i_dir_acl);
+ modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
+#if HAVE_EXT2_FRAGS
+ modify_u8(argv[0], "Fragment number", decimal_format, &inode.i_frag);
+ modify_u8(argv[0], "Fragment size", decimal_format, &inode.i_fsize);
+#endif
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) {
int col;
};
-int list_dir_proc(struct ext2_dir_entry *dirent,
- int offset,
- int blocksize,
- char *buf,
- void *private)
+static 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];
strncpy(name, dirent->name, thislen);
name[thislen] = '\0';
- sprintf(tmp, "%ld (%d) %s ", dirent->inode, dirent->rec_len, name);
+ sprintf(tmp, "%d (%d) %s ", dirent->inode, dirent->rec_len, name);
thislen = strlen(tmp);
if (ls->col + thislen > 80) {
return;
}
-
-void make_link(char *sourcename, char *destname)
+static void make_link(char *sourcename, char *destname)
{
ino_t inode;
int retval;
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;
errcode_t retval;
char *tmp;
- if (argc > 2 || *argv[1] == '?') {
- com_err(argv[0], 0, "Usage: find_free_block <goal>");
+ if ((argc > 2) || (argc==2 && *argv[1] == '?')) {
+ com_err(argv[0], 0, "Usage: find_free_block [goal]");
return;
}
if (check_fs_open(argv[0]))
if (retval)
com_err("ext2fs_new_block", retval, "");
else
- printf("Free block found: %ld\n", free_blk);
+ printf("Free block found: %d\n", free_blk);
}
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);
printf("Free inode found: %ld\n", free_inode);
}
+struct copy_file_struct {
+ unsigned long size;
+ int done, fd, blocks;
+ errcode_t err;
+};
+
+static int copy_file_proc(ext2_filsys fs,
+ blk_t *blocknr,
+ int blockcnt,
+ void *private)
+{
+ struct copy_file_struct *cs = (struct copy_file_struct *) private;
+ blk_t new_blk;
+ static blk_t last_blk = 0;
+ char *block;
+ errcode_t retval;
+ int group;
+ int nr;
+
+ if (*blocknr) {
+ new_blk = *blocknr;
+ } else {
+ retval = ext2fs_new_block(fs, last_blk, 0, &new_blk);
+ if (retval) {
+ cs->err = retval;
+ return BLOCK_ABORT;
+ }
+ }
+ last_blk = new_blk;
+ block = malloc(fs->blocksize);
+ if (!block) {
+ cs->err = ENOMEM;
+ return BLOCK_ABORT;
+ }
+ if (blockcnt >= 0) {
+ nr = read(cs->fd, block, fs->blocksize);
+ } else {
+ nr = fs->blocksize;
+ memset(block, 0, nr);
+ }
+ if (nr == 0) {
+ cs->done = 1;
+ return BLOCK_ABORT;
+ }
+ if (nr < 0) {
+ cs->err = nr;
+ return BLOCK_ABORT;
+ }
+ retval = io_channel_write_blk(fs->io, new_blk, 1, block);
+ if (retval) {
+ cs->err = retval;
+ return BLOCK_ABORT;
+ }
+ free(block);
+ if (blockcnt >= 0)
+ cs->size += nr;
+ cs->blocks += fs->blocksize / 512;
+ printf("%ld(%d) ", cs->size, blockcnt);
+ fflush(stdout);
+ if (nr < fs->blocksize) {
+ cs->done = 1;
+ printf("\n");
+ }
+ *blocknr = new_blk;
+ ext2fs_mark_block_bitmap(fs->block_map, new_blk);
+ ext2fs_mark_bb_dirty(fs);
+ group = ext2fs_group_of_blk(fs, new_blk);
+ fs->group_desc[group].bg_free_blocks_count--;
+ fs->super->s_free_blocks_count--;
+ ext2fs_mark_super_dirty(fs);
+ if (cs->done)
+ return (BLOCK_CHANGED | BLOCK_ABORT);
+ else
+ return BLOCK_CHANGED;
+}
+
+static errcode_t copy_file(int fd, ino_t newfile)
+{
+ errcode_t retval;
+ struct copy_file_struct cs;
+ struct ext2_inode inode;
+
+ cs.fd = fd;
+ cs.done = 0;
+ cs.err = 0;
+ cs.size = 0;
+ cs.blocks = 0;
+
+ retval = ext2fs_block_iterate(fs, newfile, BLOCK_FLAG_APPEND,
+ 0, copy_file_proc, &cs);
+
+ if (cs.err)
+ return cs.err;
+ if (!cs.done)
+ return EXT2_ET_EXPAND_DIR_ERR;
+
+ /*
+ * Update the size and block count fields in the inode.
+ */
+ retval = ext2fs_read_inode(fs, newfile, &inode);
+ if (retval)
+ return retval;
+
+ inode.i_blocks += cs.blocks;
+
+ retval = ext2fs_write_inode(fs, newfile, &inode);
+ if (retval)
+ return retval;
+
+ return 0;
+}
+
+void do_write(int argc, char *argv[])
+{
+ int fd;
+ struct stat statbuf;
+ ino_t newfile;
+ errcode_t retval;
+ struct ext2_inode inode;
+
+ if (check_fs_open(argv[0]))
+ return;
+ if (argc != 3) {
+ com_err(argv[0], 0, "Usage: write <nativefile> <newfile>");
+ return;
+ }
+ if (!(fs->flags & EXT2_FLAG_RW)) {
+ com_err(argv[0], 0, "read-only filesystem");
+ return;
+ }
+ fd = open(argv[1], O_RDONLY);
+ if (fd < 0) {
+ com_err(argv[1], fd, "");
+ return;
+ }
+ if (fstat(fd, &statbuf) < 0) {
+ com_err(argv[1], errno, "");
+ close(fd);
+ return;
+ }
+
+ retval = ext2fs_new_inode(fs, cwd, 010755, 0, &newfile);
+ if (retval) {
+ com_err(argv[0], retval, "");
+ close(fd);
+ return;
+ }
+ printf("Allocated inode: %ld\n", newfile);
+ retval = ext2fs_link(fs, cwd, argv[2], newfile, 0);
+ if (retval) {
+ com_err(argv[2], retval, "");
+ close(fd);
+ return;
+ }
+ if (ext2fs_test_inode_bitmap(fs->inode_map,newfile))
+ com_err(argv[0], 0, "Warning: inode already set");
+ ext2fs_mark_inode_bitmap(fs->inode_map,newfile);
+ ext2fs_mark_ib_dirty(fs);
+ memset(&inode, 0, sizeof(inode));
+ inode.i_mode = statbuf.st_mode;
+ inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL);
+ inode.i_links_count = 1;
+ inode.i_size = statbuf.st_size;
+ ext2fs_write_inode(fs, newfile, &inode);
+ retval = ext2fs_write_inode(fs, newfile, &inode);
+ if (retval) {
+ com_err(argv[0], retval, "while trying to write inode %d", inode);
+ 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, nr;
+ ino_t newfile;
+ errcode_t retval;
+ struct ext2_inode inode;
+
+ if (check_fs_open(argv[0]))
+ return;
+ if (argc < 3 || argv[2][1]) {
+ 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;
+ nr = 3;
+ break;
+ case 'c':
+ mode = LINUX_S_IFCHR;
+ nr = 5;
+ break;
+ case 'b':
+ mode = LINUX_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 > 255 || minor > 255 || argv[3][0] || argv[4][0])
+ nr = 0;
+ }
+ if (argc != nr) {
+ com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
+ return;
+ }
+ if (!(fs->flags & EXT2_FLAG_RW)) {
+ com_err(argv[0], 0, "read-only filesystem");
+ return;
+ }
+ retval = ext2fs_new_inode(fs, cwd, 010755, 0, &newfile);
+ if (retval) {
+ com_err(argv[0], retval, "");
+ return;
+ }
+ printf("Allocated inode: %ld\n", newfile);
+ retval = ext2fs_link(fs, cwd, argv[1], newfile, 0);
+ if (retval) {
+ if (retval == EXT2_ET_DIR_NO_SPACE) {
+ retval = ext2fs_expand_dir(fs, cwd);
+ if (!retval)
+ retval = ext2fs_link(fs, cwd, argv[1], newfile, 0);
+ }
+ if (retval) {
+ com_err(argv[1], retval, "");
+ return;
+ }
+ }
+ if (ext2fs_test_inode_bitmap(fs->inode_map,newfile))
+ com_err(argv[0], 0, "Warning: inode already set");
+ ext2fs_mark_inode_bitmap(fs->inode_map,newfile);
+ ext2fs_mark_ib_dirty(fs);
+ memset(&inode, 0, sizeof(inode));
+ inode.i_mode = mode;
+ inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL);
+ inode.i_block[0] = major*256+minor;
+ inode.i_links_count = 1;
+ ext2fs_write_inode(fs, newfile, &inode);
+ retval = ext2fs_write_inode(fs, newfile, &inode);
+ if (retval) {
+ com_err(argv[0], retval, "while trying to write inode %d", inode);
+ return;
+ }
+}
+
void do_mkdir(int argc, char *argv[])
{
char *cp;
}
-int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, void *private)
+static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
+ int blockcnt, void *private)
{
- printf("%ld ", *blocknr);
+ printf("%d ", *blocknr);
ext2fs_unmark_block_bitmap(fs->block_map,*blocknr);
return 0;
}
return;
}
- if (S_ISDIR(inode.i_mode)) {
+ if (LINUX_S_ISDIR(inode.i_mode)) {
com_err(argv[0], 0, "file is a directory");
return;
}
void main(int argc, char **argv)
{
- int retval;
- int sci_idx;
- char *usage = "Usage: debugfs [[-w] device]";
- char c;
- int open_flags = 0;
+ int retval;
+ int sci_idx;
+ const char *usage = "Usage: debugfs [[-w] device]";
+ char c;
+ int open_flags = 0;
initialize_ext2_error_table();