| /* |
| * ncheck.c --- given a list of inodes, generate a list of names |
| * |
| * Copyright (C) 1994 Theodore Ts'o. This file may be redistributed |
| * under the terms of the GNU Public License. |
| */ |
| |
| #include <stdio.h> |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <ctype.h> |
| #include <string.h> |
| #include <time.h> |
| #ifdef HAVE_ERRNO_H |
| #include <errno.h> |
| #endif |
| #include <sys/types.h> |
| #ifdef HAVE_GETOPT_H |
| #include <getopt.h> |
| #else |
| extern int optind; |
| extern char *optarg; |
| #endif |
| |
| #include "debugfs.h" |
| |
| struct inode_walk_struct { |
| ext2_ino_t dir; |
| ext2_ino_t *iarray; |
| int inodes_left; |
| int num_inodes; |
| int position; |
| char *parent; |
| unsigned int get_pathname_failed:1; |
| unsigned int check_dirent:1; |
| }; |
| |
| static int ncheck_proc(struct ext2_dir_entry *dirent, |
| int offset EXT2FS_ATTR((unused)), |
| int blocksize EXT2FS_ATTR((unused)), |
| char *buf EXT2FS_ATTR((unused)), |
| void *private) |
| { |
| struct inode_walk_struct *iw = (struct inode_walk_struct *) private; |
| struct ext2_inode inode; |
| errcode_t retval; |
| int filetype = dirent->name_len >> 8; |
| int i; |
| |
| iw->position++; |
| if (iw->position <= 2) |
| return 0; |
| for (i=0; i < iw->num_inodes; i++) { |
| if (iw->iarray[i] == dirent->inode) { |
| if (!iw->parent && !iw->get_pathname_failed) { |
| retval = ext2fs_get_pathname(current_fs, |
| iw->dir, |
| 0, &iw->parent); |
| if (retval) { |
| com_err("ncheck", retval, |
| "while calling ext2fs_get_pathname for inode #%u", iw->dir); |
| iw->get_pathname_failed = 1; |
| } |
| } |
| if (iw->parent) |
| printf("%u\t%s/%.*s", iw->iarray[i], |
| iw->parent, |
| (dirent->name_len & 0xFF), dirent->name); |
| else |
| printf("%u\t<%u>/%.*s", iw->iarray[i], |
| iw->dir, |
| (dirent->name_len & 0xFF), dirent->name); |
| if (iw->check_dirent && filetype) { |
| if (!debugfs_read_inode(dirent->inode, &inode, |
| "ncheck") && |
| filetype != ext2_file_type(inode.i_mode)) { |
| printf(" <--- BAD FILETYPE"); |
| } |
| } |
| putc('\n', stdout); |
| } |
| } |
| if (!iw->inodes_left) |
| return DIRENT_ABORT; |
| |
| return 0; |
| } |
| |
| void do_ncheck(int argc, char **argv) |
| { |
| struct inode_walk_struct iw; |
| int c, i; |
| ext2_inode_scan scan = 0; |
| ext2_ino_t ino; |
| struct ext2_inode inode; |
| errcode_t retval; |
| char *tmp; |
| |
| iw.check_dirent = 0; |
| |
| reset_getopt(); |
| while ((c = getopt (argc, argv, "c")) != EOF) { |
| switch (c) { |
| case 'c': |
| iw.check_dirent = 1; |
| break; |
| default: |
| goto print_usage; |
| } |
| } |
| argc -= optind; |
| argv += optind; |
| |
| if (argc < 1) { |
| print_usage: |
| com_err(argv[0], 0, "Usage: ncheck [-c] <inode number> ..."); |
| return; |
| } |
| if (check_fs_open(argv[0])) |
| return; |
| |
| iw.iarray = malloc(sizeof(ext2_ino_t) * argc); |
| if (!iw.iarray) { |
| com_err("ncheck", ENOMEM, |
| "while allocating inode number array"); |
| return; |
| } |
| memset(iw.iarray, 0, sizeof(ext2_ino_t) * argc); |
| |
| for (i=0; i < argc; i++) { |
| iw.iarray[i] = strtol(argv[i], &tmp, 0); |
| if (*tmp) { |
| com_err(argv[0], 0, "Bad inode - %s", argv[i]); |
| goto error_out; |
| } |
| } |
| |
| iw.num_inodes = iw.inodes_left = argc; |
| |
| retval = ext2fs_open_inode_scan(current_fs, 0, &scan); |
| if (retval) { |
| com_err("ncheck", retval, "while opening inode scan"); |
| goto error_out; |
| } |
| |
| do { |
| retval = ext2fs_get_next_inode(scan, &ino, &inode); |
| } while (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE); |
| if (retval) { |
| com_err("ncheck", retval, "while starting inode scan"); |
| goto error_out; |
| } |
| |
| printf("Inode\tPathname\n"); |
| while (ino) { |
| if (!inode.i_links_count) |
| goto next; |
| /* |
| * To handle filesystems touched by 0.3c extfs; can be |
| * removed later. |
| */ |
| if (inode.i_dtime) |
| goto next; |
| /* Ignore anything that isn't a directory */ |
| if (!LINUX_S_ISDIR(inode.i_mode)) |
| goto next; |
| |
| iw.position = 0; |
| iw.parent = 0; |
| iw.dir = ino; |
| iw.get_pathname_failed = 0; |
| |
| retval = ext2fs_dir_iterate(current_fs, ino, 0, 0, |
| ncheck_proc, &iw); |
| ext2fs_free_mem(&iw.parent); |
| if (retval) { |
| com_err("ncheck", retval, |
| "while calling ext2_dir_iterate"); |
| goto next; |
| } |
| |
| if (iw.inodes_left == 0) |
| break; |
| |
| next: |
| do { |
| retval = ext2fs_get_next_inode(scan, &ino, &inode); |
| } while (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE); |
| |
| if (retval) { |
| com_err("ncheck", retval, |
| "while doing inode scan"); |
| goto error_out; |
| } |
| } |
| |
| error_out: |
| free(iw.iarray); |
| if (scan) |
| ext2fs_close_inode_scan(scan); |
| return; |
| } |
| |
| |
| |