mirror of https://github.com/vitalif/e2fsprogs
1541 lines
34 KiB
C
1541 lines
34 KiB
C
/*
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* debugfs.c --- a program which allows you to attach an ext2fs
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* filesystem and play with it.
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*
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* Copyright (C) 1993 Theodore Ts'o. This file may be redistributed
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* under the terms of the GNU Public License.
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*
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* Modifications by Robert Sanders <gt8134b@prism.gatech.edu>
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <string.h>
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#include <time.h>
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#ifdef HAVE_GETOPT_H
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#include <getopt.h>
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#else
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extern int optind;
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extern char *optarg;
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#endif
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#ifdef HAVE_OPTRESET
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extern int optreset; /* defined by BSD, but not others */
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#endif
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#ifdef HAVE_ERRNO_H
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#include <errno.h>
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#endif
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "et/com_err.h"
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#include "ss/ss.h"
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#include "debugfs.h"
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#include "uuid/uuid.h"
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extern ss_request_table debug_cmds;
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ext2_filsys current_fs = NULL;
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ino_t root, cwd;
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static void open_filesystem(char *device, int open_flags)
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{
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int retval;
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retval = ext2fs_open(device, open_flags, 0, 0,
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unix_io_manager, ¤t_fs);
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if (retval) {
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com_err(device, retval, "while opening filesystem");
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current_fs = NULL;
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return;
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}
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retval = ext2fs_read_inode_bitmap(current_fs);
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if (retval) {
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com_err(device, retval, "while reading inode bitmap");
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goto errout;
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}
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retval = ext2fs_read_block_bitmap(current_fs);
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if (retval) {
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com_err(device, retval, "while reading block bitmap");
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goto errout;
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}
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root = cwd = EXT2_ROOT_INO;
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return;
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errout:
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retval = ext2fs_close(current_fs);
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if (retval)
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com_err(device, retval, "while trying to close filesystem");
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current_fs = NULL;
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}
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void do_open_filesys(int argc, char **argv)
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{
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const char *usage = "Usage: open [-w] <device>";
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char c;
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int open_flags = 0;
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optind = 0;
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#ifdef HAVE_OPTRESET
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optreset = 1; /* Makes BSD getopt happy */
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#endif
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while ((c = getopt (argc, argv, "w")) != EOF) {
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switch (c) {
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case 'w':
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open_flags = EXT2_FLAG_RW;
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break;
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default:
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com_err(argv[0], 0, usage);
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return;
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}
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}
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if (optind != argc-1) {
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com_err(argv[0], 0, usage);
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return;
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}
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if (check_fs_not_open(argv[0]))
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return;
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open_filesystem(argv[optind], open_flags);
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}
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static void close_filesystem(NOARGS)
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{
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int retval;
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if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
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retval = ext2fs_write_inode_bitmap(current_fs);
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if (retval)
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com_err("ext2fs_write_inode_bitmap", retval, "");
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}
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if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
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retval = ext2fs_write_block_bitmap(current_fs);
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if (retval)
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com_err("ext2fs_write_block_bitmap", retval, "");
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}
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retval = ext2fs_close(current_fs);
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if (retval)
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com_err("ext2fs_close", retval, "");
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current_fs = NULL;
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return;
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}
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void do_close_filesys(int argc, char **argv)
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{
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if (argc > 1) {
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com_err(argv[0], 0, "Usage: close_filesys");
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return;
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}
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if (check_fs_open(argv[0]))
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return;
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close_filesystem();
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}
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void do_init_filesys(int argc, char **argv)
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{
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const char *usage = "Usage: initialize <device> <blocksize>";
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struct ext2_super_block param;
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errcode_t retval;
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char *tmp;
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if (argc != 3) {
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com_err(argv[0], 0, usage);
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return;
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}
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if (check_fs_not_open(argv[0]))
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return;
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memset(¶m, 0, sizeof(struct ext2_super_block));
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param.s_blocks_count = strtoul(argv[2], &tmp, 0);
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if (*tmp) {
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com_err(argv[0], 0, "Bad blocks count - %s", argv[2]);
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return;
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}
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retval = ext2fs_initialize(argv[1], 0, ¶m,
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unix_io_manager, ¤t_fs);
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if (retval) {
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com_err(argv[1], retval, "while initializing filesystem");
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current_fs = NULL;
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return;
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}
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root = cwd = EXT2_ROOT_INO;
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return;
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}
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void do_show_super_stats(int argc, char *argv[])
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{
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int i;
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FILE *out;
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struct ext2fs_sb *sb;
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struct ext2_group_desc *gdp;
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char buf[80];
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const char *none = "(none)";
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if (argc > 1) {
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com_err(argv[0], 0, "Usage: show_super");
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return;
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}
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if (check_fs_open(argv[0]))
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return;
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out = open_pager();
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sb = (struct ext2fs_sb *) current_fs->super;
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fprintf(out, "Filesystem is read-%s\n",
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current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
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if (sb->s_volume_name[0]) {
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memset(buf, 0, sizeof(buf));
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strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name));
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} else
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strcpy(buf, none);
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fprintf(out, "Volume name = %s\n", buf);
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if (sb->s_last_mounted[0]) {
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memset(buf, 0, sizeof(buf));
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strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted));
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} else
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strcpy(buf, none);
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fprintf(out, "Last mounted directory = %s\n", buf);
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if (!uuid_is_null(sb->s_uuid))
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uuid_unparse(sb->s_uuid, buf);
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else
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strcpy(buf, none);
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fprintf(out, "Filesystem UUID = %s\n", buf);
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fprintf(out, "Last mount time = %s", time_to_string(sb->s_mtime));
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fprintf(out, "Last write time = %s", time_to_string(sb->s_wtime));
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fprintf(out, "Mount counts = %d (maximal = %d)\n",
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sb->s_mnt_count, sb->s_max_mnt_count);
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fputs ("Filesystem OS type = ", out);
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switch (sb->s_creator_os) {
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case EXT2_OS_LINUX: fputs ("Linux\n", out); break;
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case EXT2_OS_HURD: fputs ("GNU\n", out); break;
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case EXT2_OS_MASIX: fputs ("Masix\n", out); break;
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default: fputs ("unknown\n", out);
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}
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fprintf(out, "Superblock size = %d\n",
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sizeof(struct ext2_super_block));
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fprintf(out, "Block size = %d, fragment size = %d\n",
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EXT2_BLOCK_SIZE(sb), EXT2_FRAG_SIZE(sb));
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fprintf(out, "Inode size = %d\n", EXT2_INODE_SIZE(sb));
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fprintf(out, "%d inodes, %d free\n", sb->s_inodes_count,
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sb->s_free_inodes_count);
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fprintf(out, "%d blocks, %d free, %d reserved, first block = %d\n",
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sb->s_blocks_count, sb->s_free_blocks_count,
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sb->s_r_blocks_count, sb->s_first_data_block);
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fprintf(out, "%d blocks per group\n", sb->s_blocks_per_group);
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fprintf(out, "%d fragments per group\n", sb->s_frags_per_group);
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fprintf(out, "%d inodes per group\n", EXT2_INODES_PER_GROUP(sb));
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fprintf(out, "%ld group%s (%ld descriptors block%s)\n",
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current_fs->group_desc_count,
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(current_fs->group_desc_count != 1) ? "s" : "",
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current_fs->desc_blocks,
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(current_fs->desc_blocks != 1) ? "s" : "");
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gdp = ¤t_fs->group_desc[0];
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for (i = 0; i < current_fs->group_desc_count; i++, gdp++)
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fprintf(out, " Group %2d: block bitmap at %d, "
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"inode bitmap at %d, "
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"inode table at %d\n"
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" %d free block%s, "
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"%d free inode%s, "
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"%d used director%s\n",
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i, gdp->bg_block_bitmap,
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gdp->bg_inode_bitmap, gdp->bg_inode_table,
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gdp->bg_free_blocks_count,
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gdp->bg_free_blocks_count != 1 ? "s" : "",
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gdp->bg_free_inodes_count,
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gdp->bg_free_inodes_count != 1 ? "s" : "",
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gdp->bg_used_dirs_count,
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gdp->bg_used_dirs_count != 1 ? "ies" : "y");
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close_pager(out);
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}
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void do_dirty_filesys(int argc, char *argv[])
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{
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if (check_fs_open(argv[0]))
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return;
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ext2fs_mark_super_dirty(current_fs);
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}
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struct list_blocks_struct {
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FILE *f;
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int total;
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};
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static int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt,
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void *private)
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{
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struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
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fprintf(lb->f, "%d ", *blocknr);
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lb->total++;
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return 0;
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}
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static void dump_blocks(FILE *f, ino_t inode)
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{
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struct list_blocks_struct lb;
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fprintf(f, "BLOCKS:\n");
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lb.total = 0;
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lb.f = f;
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ext2fs_block_iterate(current_fs, inode, 0, NULL,
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list_blocks_proc, (void *)&lb);
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if (lb.total)
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fprintf(f, "\nTOTAL: %d\n", lb.total);
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fprintf(f,"\n");
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}
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static void dump_inode(ino_t inode_num, struct ext2_inode inode)
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{
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const char *i_type;
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FILE *out;
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char frag, fsize;
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int os = current_fs->super->s_creator_os;
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out = open_pager();
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if (LINUX_S_ISDIR(inode.i_mode)) i_type = "directory";
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else if (LINUX_S_ISREG(inode.i_mode)) i_type = "regular";
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else if (LINUX_S_ISLNK(inode.i_mode)) i_type = "symlink";
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else if (LINUX_S_ISBLK(inode.i_mode)) i_type = "block special";
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else if (LINUX_S_ISCHR(inode.i_mode)) i_type = "character special";
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else if (LINUX_S_ISFIFO(inode.i_mode)) i_type = "FIFO";
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else if (LINUX_S_ISSOCK(inode.i_mode)) i_type = "socket";
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else i_type = "bad type";
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fprintf(out, "Inode: %ld Type: %s ", inode_num, i_type);
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fprintf(out, "Mode: %04o Flags: 0x%x Version: %d\n",
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inode.i_mode & 0777, inode.i_flags, inode.i_version);
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fprintf(out, "User: %5d Group: %5d Size: %d\n",
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inode.i_uid, inode.i_gid, inode.i_size);
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if (current_fs->super->s_creator_os == EXT2_OS_HURD)
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fprintf(out,
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"File ACL: %d Directory ACL: %d Translator: %d\n",
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inode.i_file_acl, inode.i_dir_acl,
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inode.osd1.hurd1.h_i_translator);
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else
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fprintf(out, "File ACL: %d Directory ACL: %d\n",
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inode.i_file_acl, inode.i_dir_acl);
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fprintf(out, "Links: %d Blockcount: %d\n", inode.i_links_count,
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inode.i_blocks);
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switch (os) {
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case EXT2_OS_LINUX:
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frag = inode.osd2.linux2.l_i_frag;
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fsize = inode.osd2.linux2.l_i_fsize;
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break;
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case EXT2_OS_HURD:
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frag = inode.osd2.hurd2.h_i_frag;
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fsize = inode.osd2.hurd2.h_i_fsize;
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break;
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case EXT2_OS_MASIX:
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frag = inode.osd2.masix2.m_i_frag;
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fsize = inode.osd2.masix2.m_i_fsize;
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break;
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default:
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frag = fsize = 0;
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}
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fprintf(out, "Fragment: Address: %d Number: %d Size: %d\n",
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inode.i_faddr, frag, fsize);
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fprintf(out, "ctime: 0x%08x -- %s", inode.i_ctime,
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time_to_string(inode.i_ctime));
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fprintf(out, "atime: 0x%08x -- %s", inode.i_atime,
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time_to_string(inode.i_atime));
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fprintf(out, "mtime: 0x%08x -- %s", inode.i_mtime,
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time_to_string(inode.i_mtime));
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if (inode.i_dtime)
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fprintf(out, "dtime: 0x%08x -- %s", inode.i_dtime,
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time_to_string(inode.i_dtime));
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if (LINUX_S_ISLNK(inode.i_mode) && inode.i_blocks == 0)
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fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block);
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else
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dump_blocks(out, inode_num);
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close_pager(out);
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}
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void do_stat(int argc, char *argv[])
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{
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ino_t inode;
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struct ext2_inode inode_buf;
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int retval;
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if (argc != 2) {
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com_err(argv[0], 0, "Usage: stat <file>");
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return;
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}
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if (check_fs_open(argv[0]))
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return;
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inode = string_to_inode(argv[1]);
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if (!inode)
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return;
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retval = ext2fs_read_inode(current_fs, inode, &inode_buf);
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if (retval)
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{
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com_err(argv[0], 0, "Reading inode");
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return;
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}
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dump_inode(inode,inode_buf);
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return;
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}
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void do_chroot(int argc, char *argv[])
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{
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ino_t inode;
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int retval;
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if (argc != 2) {
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com_err(argv[0], 0, "Usage: chroot <file>");
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return;
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}
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if (check_fs_open(argv[0]))
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return;
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inode = string_to_inode(argv[1]);
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if (!inode)
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return;
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retval = ext2fs_check_directory(current_fs, inode);
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if (retval) {
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com_err(argv[1], retval, "");
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return;
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}
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root = inode;
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}
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void do_clri(int argc, char *argv[])
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{
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ino_t inode;
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int retval;
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struct ext2_inode inode_buf;
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if (argc != 2) {
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com_err(argv[0], 0, "Usage: clri <file>");
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return;
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}
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if (check_fs_open(argv[0]))
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return;
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if (check_fs_read_write(argv[0]))
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return;
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inode = string_to_inode(argv[1]);
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if (!inode)
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return;
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retval = ext2fs_read_inode(current_fs, inode, &inode_buf);
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if (retval) {
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com_err(argv[0], 0, "while trying to read inode %d", inode);
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return;
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}
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memset(&inode_buf, 0, sizeof(inode_buf));
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retval = ext2fs_write_inode(current_fs, inode, &inode_buf);
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if (retval) {
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com_err(argv[0], retval, "while trying to write inode %d",
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inode);
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return;
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}
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}
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void do_freei(int argc, char *argv[])
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{
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ino_t inode;
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if (argc != 2) {
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com_err(argv[0], 0, "Usage: freei <file>");
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return;
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}
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if (check_fs_open(argv[0]))
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return;
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if (check_fs_read_write(argv[0]))
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return;
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inode = string_to_inode(argv[1]);
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if (!inode)
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return;
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if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
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com_err(argv[0], 0, "Warning: inode already clear");
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ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode);
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ext2fs_mark_ib_dirty(current_fs);
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}
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void do_seti(int argc, char *argv[])
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{
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ino_t inode;
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if (argc != 2) {
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com_err(argv[0], 0, "Usage: seti <file>");
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return;
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}
|
|
if (check_fs_open(argv[0]))
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return;
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if (check_fs_read_write(argv[0]))
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return;
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inode = string_to_inode(argv[1]);
|
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if (!inode)
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return;
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|
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if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
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com_err(argv[0], 0, "Warning: inode already set");
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ext2fs_mark_inode_bitmap(current_fs->inode_map,inode);
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ext2fs_mark_ib_dirty(current_fs);
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}
|
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|
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void do_testi(int argc, char *argv[])
|
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{
|
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ino_t inode;
|
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|
|
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)
|
|
return;
|
|
|
|
if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode))
|
|
printf("Inode %ld is marked in use\n", inode);
|
|
else
|
|
printf("Inode %ld is not in use\n", inode);
|
|
}
|
|
|
|
|
|
void do_freeb(int argc, char *argv[])
|
|
{
|
|
blk_t block;
|
|
char *tmp;
|
|
|
|
if (argc != 2) {
|
|
com_err(argv[0], 0, "Usage: freeb <block>");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[0]))
|
|
return;
|
|
if (check_fs_read_write(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(current_fs->block_map,block))
|
|
com_err(argv[0], 0, "Warning: block already clear");
|
|
ext2fs_unmark_block_bitmap(current_fs->block_map,block);
|
|
ext2fs_mark_bb_dirty(current_fs);
|
|
}
|
|
|
|
void do_setb(int argc, char *argv[])
|
|
{
|
|
blk_t block;
|
|
char *tmp;
|
|
|
|
if (argc != 2) {
|
|
com_err(argv[0], 0, "Usage: setb <block>");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[0]))
|
|
return;
|
|
if (check_fs_read_write(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(current_fs->block_map,block))
|
|
com_err(argv[0], 0, "Warning: block already set");
|
|
ext2fs_mark_block_bitmap(current_fs->block_map,block);
|
|
ext2fs_mark_bb_dirty(current_fs);
|
|
}
|
|
|
|
void do_testb(int argc, char *argv[])
|
|
{
|
|
blk_t block;
|
|
char *tmp;
|
|
|
|
if (argc != 2) {
|
|
com_err(argv[0], 0, "Usage: testb <block>");
|
|
return;
|
|
}
|
|
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(current_fs->block_map,block))
|
|
printf("Block %d marked in use\n", block);
|
|
else printf("Block %d not in use\n", block);
|
|
}
|
|
|
|
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);
|
|
fgets(buf, sizeof(buf), stdin);
|
|
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);
|
|
fgets(buf, sizeof(buf), stdin);
|
|
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);
|
|
fgets(buf, sizeof(buf), stdin);
|
|
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[])
|
|
{
|
|
struct ext2_inode inode;
|
|
ino_t inode_num;
|
|
int i;
|
|
errcode_t retval;
|
|
unsigned char *frag, *fsize;
|
|
char buf[80];
|
|
int os = current_fs->super->s_creator_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>");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[0]))
|
|
return;
|
|
if (check_fs_read_write(argv[0]))
|
|
return;
|
|
|
|
inode_num = string_to_inode(argv[1]);
|
|
if (!inode_num)
|
|
return;
|
|
|
|
retval = ext2fs_read_inode(current_fs, inode_num, &inode);
|
|
if (retval) {
|
|
com_err(argv[1], retval, "while trying to read inode %d",
|
|
inode_num);
|
|
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", 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);
|
|
|
|
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_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]);
|
|
retval = ext2fs_write_inode(current_fs, inode_num, &inode);
|
|
if (retval) {
|
|
com_err(argv[1], retval, "while trying to write inode %d",
|
|
inode_num);
|
|
return;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* list directory
|
|
*/
|
|
|
|
struct list_dir_struct {
|
|
FILE *f;
|
|
int col;
|
|
};
|
|
|
|
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];
|
|
|
|
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, "%d (%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(current_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;
|
|
|
|
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)
|
|
return;
|
|
|
|
retval = ext2fs_check_directory(current_fs, inode);
|
|
if (retval) {
|
|
com_err(argv[1], retval, "");
|
|
return;
|
|
}
|
|
cwd = inode;
|
|
return;
|
|
}
|
|
|
|
void do_print_working_directory(int argc, char *argv[])
|
|
{
|
|
int retval;
|
|
char *pathname = NULL;
|
|
|
|
if (argc > 1) {
|
|
com_err(argv[0], 0, "Usage: print_working_directory");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[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: %6ld PATH: %s\n", cwd, pathname);
|
|
free(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);
|
|
free(pathname);
|
|
return;
|
|
}
|
|
|
|
static void make_link(char *sourcename, char *destname)
|
|
{
|
|
ino_t inode;
|
|
int retval;
|
|
ino_t dir;
|
|
char *dest, *cp, *basename;
|
|
|
|
/*
|
|
* Get the source inode
|
|
*/
|
|
inode = string_to_inode(sourcename);
|
|
if (!inode)
|
|
return;
|
|
basename = strrchr(sourcename, '/');
|
|
if (basename)
|
|
basename++;
|
|
else
|
|
basename = 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 = basename;
|
|
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;
|
|
}
|
|
}
|
|
|
|
retval = ext2fs_link(current_fs, dir, dest, inode, 0);
|
|
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>");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[0]))
|
|
return;
|
|
|
|
make_link(argv[1], argv[2]);
|
|
}
|
|
|
|
static void unlink_file_by_name(char *filename)
|
|
{
|
|
int retval;
|
|
ino_t dir;
|
|
char *basename;
|
|
|
|
basename = strrchr(filename, '/');
|
|
if (basename) {
|
|
*basename++ = '\0';
|
|
dir = string_to_inode(filename);
|
|
if (!dir)
|
|
return;
|
|
} else {
|
|
dir = cwd;
|
|
basename = filename;
|
|
}
|
|
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]))
|
|
return;
|
|
|
|
unlink_file_by_name(argv[1]);
|
|
}
|
|
|
|
void do_find_free_block(int argc, char *argv[])
|
|
{
|
|
blk_t free_blk, goal;
|
|
errcode_t retval;
|
|
char *tmp;
|
|
|
|
if ((argc > 2) || (argc==2 && *argv[1] == '?')) {
|
|
com_err(argv[0], 0, "Usage: find_free_block [goal]");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[0]))
|
|
return;
|
|
|
|
if (argc > 1) {
|
|
goal = strtol(argv[1], &tmp, 0);
|
|
if (*tmp) {
|
|
com_err(argv[0], 0, "Bad goal - %s", argv[1]);
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
goal = current_fs->super->s_first_data_block;
|
|
|
|
retval = ext2fs_new_block(current_fs, goal, 0, &free_blk);
|
|
if (retval)
|
|
com_err("ext2fs_new_block", retval, "");
|
|
else
|
|
printf("Free block found: %d\n", free_blk);
|
|
|
|
}
|
|
|
|
void do_find_free_inode(int argc, char *argv[])
|
|
{
|
|
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, "");
|
|
else
|
|
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 to_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(to_fs, last_blk, 0, &new_blk);
|
|
if (retval) {
|
|
cs->err = retval;
|
|
return BLOCK_ABORT;
|
|
}
|
|
}
|
|
last_blk = new_blk;
|
|
block = malloc(to_fs->blocksize);
|
|
if (!block) {
|
|
cs->err = ENOMEM;
|
|
return BLOCK_ABORT;
|
|
}
|
|
if (blockcnt >= 0) {
|
|
nr = read(cs->fd, block, to_fs->blocksize);
|
|
} else {
|
|
nr = to_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(to_fs->io, new_blk, 1, block);
|
|
if (retval) {
|
|
cs->err = retval;
|
|
return BLOCK_ABORT;
|
|
}
|
|
free(block);
|
|
if (blockcnt >= 0)
|
|
cs->size += nr;
|
|
cs->blocks += to_fs->blocksize / 512;
|
|
printf("%ld(%d) ", cs->size, blockcnt);
|
|
fflush(stdout);
|
|
if (nr < to_fs->blocksize) {
|
|
cs->done = 1;
|
|
printf("\n");
|
|
}
|
|
*blocknr = new_blk;
|
|
ext2fs_mark_block_bitmap(to_fs->block_map, new_blk);
|
|
ext2fs_mark_bb_dirty(to_fs);
|
|
group = ext2fs_group_of_blk(to_fs, new_blk);
|
|
to_fs->group_desc[group].bg_free_blocks_count--;
|
|
to_fs->super->s_free_blocks_count--;
|
|
ext2fs_mark_super_dirty(to_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(current_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(current_fs, newfile, &inode);
|
|
if (retval)
|
|
return retval;
|
|
|
|
inode.i_blocks += cs.blocks;
|
|
|
|
retval = ext2fs_write_inode(current_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 (check_fs_read_write(argv[0]))
|
|
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(current_fs, cwd, 010755, 0, &newfile);
|
|
if (retval) {
|
|
com_err(argv[0], retval, "");
|
|
close(fd);
|
|
return;
|
|
}
|
|
printf("Allocated inode: %ld\n", newfile);
|
|
retval = ext2fs_link(current_fs, cwd, argv[2], newfile, 0);
|
|
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_mark_inode_bitmap(current_fs->inode_map,newfile);
|
|
ext2fs_mark_ib_dirty(current_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(current_fs, newfile, &inode);
|
|
retval = ext2fs_write_inode(current_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 (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: %ld\n", newfile);
|
|
retval = ext2fs_link(current_fs, cwd, argv[1], newfile, 0);
|
|
if (retval) {
|
|
if (retval == EXT2_ET_DIR_NO_SPACE) {
|
|
retval = ext2fs_expand_dir(current_fs, cwd);
|
|
if (!retval)
|
|
retval = ext2fs_link(current_fs, cwd,
|
|
argv[1], newfile, 0);
|
|
}
|
|
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);
|
|
inode.i_block[0] = major*256+minor;
|
|
inode.i_links_count = 1;
|
|
ext2fs_write_inode(current_fs, newfile, &inode);
|
|
retval = ext2fs_write_inode(current_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;
|
|
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>");
|
|
return;
|
|
}
|
|
|
|
cp = strrchr(argv[1], '/');
|
|
if (cp) {
|
|
*cp = 0;
|
|
parent = string_to_inode(argv[1]);
|
|
if (!parent) {
|
|
com_err(argv[1], ENOENT, "");
|
|
return;
|
|
}
|
|
name = cp+1;
|
|
} else {
|
|
parent = cwd;
|
|
name = argv[1];
|
|
}
|
|
|
|
|
|
retval = ext2fs_mkdir(current_fs, parent, 0, name);
|
|
if (retval) {
|
|
com_err("ext2fs_mkdir", retval, "");
|
|
return;
|
|
}
|
|
|
|
}
|
|
|
|
void do_rmdir(int argc, char *argv[])
|
|
{
|
|
printf("Unimplemented\n");
|
|
}
|
|
|
|
|
|
static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
|
|
int blockcnt, void *private)
|
|
{
|
|
printf("%d ", *blocknr);
|
|
ext2fs_unmark_block_bitmap(fs->block_map,*blocknr);
|
|
return 0;
|
|
}
|
|
|
|
static void kill_file_by_inode(ino_t inode)
|
|
{
|
|
struct ext2_inode inode_buf;
|
|
|
|
ext2fs_read_inode(current_fs, inode, &inode_buf);
|
|
inode_buf.i_dtime = time(NULL);
|
|
ext2fs_write_inode(current_fs, inode, &inode_buf);
|
|
|
|
printf("Kill file by inode %ld\n", inode);
|
|
ext2fs_block_iterate(current_fs, inode, 0, NULL,
|
|
release_blocks_proc, NULL);
|
|
ext2fs_unmark_inode_bitmap(current_fs->inode_map, inode);
|
|
|
|
ext2fs_mark_bb_dirty(current_fs);
|
|
ext2fs_mark_ib_dirty(current_fs);
|
|
}
|
|
|
|
|
|
void do_kill_file(int argc, char *argv[])
|
|
{
|
|
ino_t inode_num;
|
|
|
|
if (argc != 2) {
|
|
com_err(argv[0], 0, "Usage: kill_file <file>");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[0]))
|
|
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;
|
|
struct ext2_inode inode;
|
|
|
|
if (argc != 2) {
|
|
com_err(argv[0], 0, "Usage: rm <filename>");
|
|
return;
|
|
}
|
|
if (check_fs_open(argv[0]))
|
|
return;
|
|
|
|
retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
|
|
if (retval) {
|
|
com_err(argv[0], 0, "Cannot find file");
|
|
return;
|
|
}
|
|
|
|
retval = ext2fs_read_inode(current_fs,inode_num,&inode);
|
|
if (retval) {
|
|
com_err(argv[0], retval, "while reading file's inode");
|
|
return;
|
|
}
|
|
|
|
if (LINUX_S_ISDIR(inode.i_mode)) {
|
|
com_err(argv[0], 0, "file is a directory");
|
|
return;
|
|
}
|
|
|
|
--inode.i_links_count;
|
|
retval = ext2fs_write_inode(current_fs,inode_num,&inode);
|
|
if (retval) {
|
|
com_err(argv[0], retval, "while writing inode");
|
|
return;
|
|
}
|
|
|
|
unlink_file_by_name(argv[1]);
|
|
if (inode.i_links_count == 0)
|
|
kill_file_by_inode(inode_num);
|
|
}
|
|
|
|
void do_show_debugfs_params(int argc, char *argv[])
|
|
{
|
|
FILE *out = stdout;
|
|
|
|
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",
|
|
current_fs ? current_fs->device_name : "--none--");
|
|
}
|
|
|
|
void do_expand_dir(int argc, char *argv[])
|
|
{
|
|
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)
|
|
return;
|
|
|
|
retval = ext2fs_expand_dir(current_fs, inode);
|
|
if (retval)
|
|
com_err("ext2fs_expand_dir", retval, "");
|
|
return;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
void main(int argc, char **argv)
|
|
{
|
|
int retval;
|
|
int sci_idx;
|
|
const char *usage = "Usage: debugfs [-w] [device]";
|
|
char c;
|
|
int open_flags = 0;
|
|
char *request = 0;
|
|
int exit_status = 0;
|
|
char *cmd_file = 0;
|
|
|
|
initialize_ext2_error_table();
|
|
|
|
while ((c = getopt (argc, argv, "wR:f:")) != EOF) {
|
|
switch (c) {
|
|
case 'R':
|
|
request = optarg;
|
|
break;
|
|
case 'f':
|
|
cmd_file = optarg;
|
|
break;
|
|
case 'w':
|
|
open_flags = EXT2_FLAG_RW;
|
|
break;
|
|
default:
|
|
com_err(argv[0], 0, usage);
|
|
return;
|
|
}
|
|
}
|
|
if (optind < argc)
|
|
open_filesystem(argv[optind], open_flags);
|
|
|
|
sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL,
|
|
&debug_cmds, &retval);
|
|
if (retval) {
|
|
ss_perror(sci_idx, retval, "creating invocation");
|
|
exit(1);
|
|
}
|
|
|
|
(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);
|
|
}
|
|
|
|
if (current_fs)
|
|
close_filesystem();
|
|
|
|
exit(exit_status);
|
|
}
|
|
|