Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 1 | /* |
| 2 | * ncheck.c --- given a list of inodes, generate a list of names |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 3 | * |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 4 | * Copyright (C) 1994 Theodore Ts'o. This file may be redistributed |
| 5 | * under the terms of the GNU Public License. |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <unistd.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <ctype.h> |
| 12 | #include <string.h> |
| 13 | #include <time.h> |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 14 | #ifdef HAVE_ERRNO_H |
| 15 | #include <errno.h> |
| 16 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 17 | #include <sys/types.h> |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 18 | #ifdef HAVE_GETOPT_H |
| 19 | #include <getopt.h> |
| 20 | #else |
| 21 | extern int optind; |
| 22 | extern char *optarg; |
| 23 | #endif |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 24 | |
| 25 | #include "debugfs.h" |
| 26 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 27 | struct inode_walk_struct { |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 28 | ext2_ino_t dir; |
Theodore Ts'o | 03206bd | 2008-10-01 19:14:06 -0400 | [diff] [blame] | 29 | ext2_ino_t *iarray; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 30 | int inodes_left; |
| 31 | int num_inodes; |
| 32 | int position; |
Theodore Ts'o | a25f0e7 | 2008-10-10 14:53:09 -0400 | [diff] [blame] | 33 | char *parent; |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 34 | unsigned int get_pathname_failed:1; |
| 35 | unsigned int check_dirent:1; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 36 | }; |
| 37 | |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 38 | static int ncheck_proc(struct ext2_dir_entry *dirent, |
Theodore Ts'o | 5443492 | 2003-12-07 01:28:50 -0500 | [diff] [blame] | 39 | int offset EXT2FS_ATTR((unused)), |
| 40 | int blocksize EXT2FS_ATTR((unused)), |
| 41 | char *buf EXT2FS_ATTR((unused)), |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 42 | void *private) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 43 | { |
| 44 | struct inode_walk_struct *iw = (struct inode_walk_struct *) private; |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 45 | struct ext2_inode inode; |
| 46 | errcode_t retval; |
| 47 | int filetype = dirent->name_len >> 8; |
| 48 | int i; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 49 | |
| 50 | iw->position++; |
| 51 | if (iw->position <= 2) |
| 52 | return 0; |
| 53 | for (i=0; i < iw->num_inodes; i++) { |
Theodore Ts'o | 03206bd | 2008-10-01 19:14:06 -0400 | [diff] [blame] | 54 | if (iw->iarray[i] == dirent->inode) { |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 55 | if (!iw->parent && !iw->get_pathname_failed) { |
| 56 | retval = ext2fs_get_pathname(current_fs, |
| 57 | iw->dir, |
| 58 | 0, &iw->parent); |
| 59 | if (retval) { |
| 60 | com_err("ncheck", retval, |
| 61 | "while calling ext2fs_get_pathname for inode #%u", iw->dir); |
| 62 | iw->get_pathname_failed = 1; |
| 63 | } |
| 64 | } |
| 65 | if (iw->parent) |
| 66 | printf("%u\t%s/%.*s", iw->iarray[i], |
| 67 | iw->parent, |
| 68 | (dirent->name_len & 0xFF), dirent->name); |
| 69 | else |
| 70 | printf("%u\t<%u>/%.*s", iw->iarray[i], |
| 71 | iw->dir, |
| 72 | (dirent->name_len & 0xFF), dirent->name); |
| 73 | if (iw->check_dirent && filetype) { |
| 74 | if (!debugfs_read_inode(dirent->inode, &inode, |
| 75 | "ncheck") && |
| 76 | filetype != ext2_file_type(inode.i_mode)) { |
| 77 | printf(" <--- BAD FILETYPE"); |
| 78 | } |
| 79 | } |
| 80 | putc('\n', stdout); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 81 | } |
| 82 | } |
| 83 | if (!iw->inodes_left) |
| 84 | return DIRENT_ABORT; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 85 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 86 | return 0; |
| 87 | } |
| 88 | |
| 89 | void do_ncheck(int argc, char **argv) |
| 90 | { |
| 91 | struct inode_walk_struct iw; |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 92 | int c, i; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 93 | ext2_inode_scan scan = 0; |
Theodore Ts'o | b044c2e | 2001-01-11 15:26:39 +0000 | [diff] [blame] | 94 | ext2_ino_t ino; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 95 | struct ext2_inode inode; |
| 96 | errcode_t retval; |
| 97 | char *tmp; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 98 | |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 99 | iw.check_dirent = 0; |
| 100 | |
| 101 | reset_getopt(); |
| 102 | while ((c = getopt (argc, argv, "c")) != EOF) { |
| 103 | switch (c) { |
| 104 | case 'c': |
| 105 | iw.check_dirent = 1; |
| 106 | break; |
| 107 | default: |
| 108 | goto print_usage; |
| 109 | } |
| 110 | } |
| 111 | argc -= optind; |
| 112 | argv += optind; |
| 113 | |
| 114 | if (argc < 1) { |
| 115 | print_usage: |
| 116 | com_err(argv[0], 0, "Usage: ncheck [-c] <inode number> ..."); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 117 | return; |
| 118 | } |
| 119 | if (check_fs_open(argv[0])) |
| 120 | return; |
| 121 | |
Theodore Ts'o | 03206bd | 2008-10-01 19:14:06 -0400 | [diff] [blame] | 122 | iw.iarray = malloc(sizeof(ext2_ino_t) * argc); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 123 | if (!iw.iarray) { |
Manish Katiyar | 87dd569 | 2008-09-03 11:23:53 +0530 | [diff] [blame] | 124 | com_err("ncheck", ENOMEM, |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 125 | "while allocating inode number array"); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 126 | return; |
| 127 | } |
Theodore Ts'o | 03206bd | 2008-10-01 19:14:06 -0400 | [diff] [blame] | 128 | memset(iw.iarray, 0, sizeof(ext2_ino_t) * argc); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 129 | |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 130 | for (i=0; i < argc; i++) { |
| 131 | iw.iarray[i] = strtol(argv[i], &tmp, 0); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 132 | if (*tmp) { |
| 133 | com_err(argv[0], 0, "Bad inode - %s", argv[i]); |
Manish Katiyar | 87dd569 | 2008-09-03 11:23:53 +0530 | [diff] [blame] | 134 | goto error_out; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 135 | } |
| 136 | } |
| 137 | |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 138 | iw.num_inodes = iw.inodes_left = argc; |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 139 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 140 | retval = ext2fs_open_inode_scan(current_fs, 0, &scan); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 141 | if (retval) { |
| 142 | com_err("ncheck", retval, "while opening inode scan"); |
| 143 | goto error_out; |
| 144 | } |
| 145 | |
Theodore Ts'o | 643efb8 | 1999-11-08 19:27:13 +0000 | [diff] [blame] | 146 | do { |
| 147 | retval = ext2fs_get_next_inode(scan, &ino, &inode); |
| 148 | } while (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 149 | if (retval) { |
| 150 | com_err("ncheck", retval, "while starting inode scan"); |
| 151 | goto error_out; |
| 152 | } |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 153 | |
Theodore Ts'o | 03206bd | 2008-10-01 19:14:06 -0400 | [diff] [blame] | 154 | printf("Inode\tPathname\n"); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 155 | while (ino) { |
| 156 | if (!inode.i_links_count) |
| 157 | goto next; |
| 158 | /* |
| 159 | * To handle filesystems touched by 0.3c extfs; can be |
| 160 | * removed later. |
| 161 | */ |
| 162 | if (inode.i_dtime) |
| 163 | goto next; |
| 164 | /* Ignore anything that isn't a directory */ |
Theodore Ts'o | 50e1e10 | 1997-04-26 13:58:21 +0000 | [diff] [blame] | 165 | if (!LINUX_S_ISDIR(inode.i_mode)) |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 166 | goto next; |
| 167 | |
| 168 | iw.position = 0; |
JP Abgrall | e0ed740 | 2014-03-19 19:08:39 -0700 | [diff] [blame] | 169 | iw.parent = 0; |
| 170 | iw.dir = ino; |
| 171 | iw.get_pathname_failed = 0; |
Theodore Ts'o | efc6f62 | 2008-08-27 23:07:54 -0400 | [diff] [blame] | 172 | |
Theodore Ts'o | 1e3472c | 1997-04-29 14:53:37 +0000 | [diff] [blame] | 173 | retval = ext2fs_dir_iterate(current_fs, ino, 0, 0, |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 174 | ncheck_proc, &iw); |
Theodore Ts'o | a25f0e7 | 2008-10-10 14:53:09 -0400 | [diff] [blame] | 175 | ext2fs_free_mem(&iw.parent); |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 176 | if (retval) { |
| 177 | com_err("ncheck", retval, |
| 178 | "while calling ext2_dir_iterate"); |
| 179 | goto next; |
| 180 | } |
| 181 | |
| 182 | if (iw.inodes_left == 0) |
| 183 | break; |
| 184 | |
| 185 | next: |
Theodore Ts'o | 643efb8 | 1999-11-08 19:27:13 +0000 | [diff] [blame] | 186 | do { |
| 187 | retval = ext2fs_get_next_inode(scan, &ino, &inode); |
| 188 | } while (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE); |
| 189 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 190 | if (retval) { |
| 191 | com_err("ncheck", retval, |
| 192 | "while doing inode scan"); |
| 193 | goto error_out; |
| 194 | } |
| 195 | } |
| 196 | |
Theodore Ts'o | 3839e65 | 1997-04-26 13:21:57 +0000 | [diff] [blame] | 197 | error_out: |
| 198 | free(iw.iarray); |
| 199 | if (scan) |
| 200 | ext2fs_close_inode_scan(scan); |
| 201 | return; |
| 202 | } |
| 203 | |
| 204 | |
| 205 | |