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Commit | Line | Data |
---|---|---|
3839e657 TT |
1 | /* |
2 | * debugfs.c --- a program which allows you to attach an ext2fs | |
3 | * filesystem and play with it. | |
4 | * | |
5 | * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed | |
6 | * under the terms of the GNU Public License. | |
7 | * | |
8 | * Modifications by Robert Sanders <gt8134b@prism.gatech.edu> | |
9 | */ | |
10 | ||
11 | #include <stdio.h> | |
12 | #include <unistd.h> | |
13 | #include <stdlib.h> | |
14 | #include <ctype.h> | |
15 | #include <string.h> | |
16 | #include <time.h> | |
50e1e10f | 17 | #ifdef HAVE_GETOPT_H |
3839e657 | 18 | #include <getopt.h> |
50e1e10f TT |
19 | #else |
20 | extern int optind; | |
21 | extern char *optarg; | |
22 | #endif | |
50e1e10f TT |
23 | #ifdef HAVE_ERRNO_H |
24 | #include <errno.h> | |
25 | #endif | |
26 | #include <fcntl.h> | |
3839e657 TT |
27 | #include <sys/types.h> |
28 | #include <sys/stat.h> | |
29 | ||
30 | #include "et/com_err.h" | |
31 | #include "ss/ss.h" | |
32 | #include "debugfs.h" | |
fc6d9d51 | 33 | #include "uuid/uuid.h" |
f68aa414 | 34 | #include "e2p/e2p.h" |
3839e657 | 35 | |
ea822eeb TT |
36 | #include <ext2fs/ext2_ext_attr.h> |
37 | ||
818180cd TT |
38 | #include "../version.h" |
39 | ||
3839e657 TT |
40 | extern ss_request_table debug_cmds; |
41 | ||
b044c2e0 TT |
42 | ext2_filsys current_fs = NULL; |
43 | ext2_ino_t root, cwd; | |
3839e657 | 44 | |
2e8d40d5 | 45 | static void open_filesystem(char *device, int open_flags, blk_t superblock, |
1ad54a94 TT |
46 | blk_t blocksize, int catastrophic, |
47 | char *data_filename) | |
3839e657 TT |
48 | { |
49 | int retval; | |
1ad54a94 | 50 | io_channel data_io = 0; |
2e8d40d5 TT |
51 | |
52 | if (superblock != 0 && blocksize == 0) { | |
53 | com_err(device, 0, "if you specify the superblock, you must also specify the block size"); | |
54 | current_fs = NULL; | |
55 | return; | |
56 | } | |
57 | ||
1ad54a94 TT |
58 | if (data_filename) { |
59 | if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) { | |
60 | com_err(device, 0, | |
61 | "The -d option is only valid when reading an e2image file"); | |
62 | current_fs = NULL; | |
63 | return; | |
64 | } | |
65 | retval = unix_io_manager->open(data_filename, 0, &data_io); | |
66 | if (retval) { | |
67 | com_err(data_filename, 0, "while opening data source"); | |
68 | current_fs = NULL; | |
69 | return; | |
70 | } | |
71 | } | |
72 | ||
2e8d40d5 TT |
73 | if (catastrophic && (open_flags & EXT2_FLAG_RW)) { |
74 | com_err(device, 0, | |
75 | "opening read-only because of catastrophic mode"); | |
76 | open_flags &= ~EXT2_FLAG_RW; | |
77 | } | |
3839e657 | 78 | |
2e8d40d5 | 79 | retval = ext2fs_open(device, open_flags, superblock, blocksize, |
fc6d9d51 | 80 | unix_io_manager, ¤t_fs); |
3839e657 TT |
81 | if (retval) { |
82 | com_err(device, retval, "while opening filesystem"); | |
fc6d9d51 | 83 | current_fs = NULL; |
3839e657 TT |
84 | return; |
85 | } | |
2e8d40d5 TT |
86 | |
87 | if (catastrophic) | |
88 | com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps"); | |
89 | else { | |
90 | retval = ext2fs_read_inode_bitmap(current_fs); | |
91 | if (retval) { | |
92 | com_err(device, retval, "while reading inode bitmap"); | |
93 | goto errout; | |
94 | } | |
95 | retval = ext2fs_read_block_bitmap(current_fs); | |
96 | if (retval) { | |
97 | com_err(device, retval, "while reading block bitmap"); | |
98 | goto errout; | |
99 | } | |
3839e657 | 100 | } |
1ad54a94 TT |
101 | |
102 | if (data_io) { | |
103 | retval = ext2fs_set_data_io(current_fs, data_io); | |
104 | if (retval) { | |
105 | com_err(device, retval, | |
106 | "while setting data source"); | |
107 | goto errout; | |
108 | } | |
109 | } | |
110 | ||
3839e657 TT |
111 | root = cwd = EXT2_ROOT_INO; |
112 | return; | |
113 | ||
114 | errout: | |
fc6d9d51 | 115 | retval = ext2fs_close(current_fs); |
3839e657 TT |
116 | if (retval) |
117 | com_err(device, retval, "while trying to close filesystem"); | |
fc6d9d51 | 118 | current_fs = NULL; |
3839e657 TT |
119 | } |
120 | ||
121 | void do_open_filesys(int argc, char **argv) | |
122 | { | |
e1018eea | 123 | int c, err; |
2e8d40d5 TT |
124 | int catastrophic = 0; |
125 | blk_t superblock = 0; | |
126 | blk_t blocksize = 0; | |
1ad54a94 | 127 | int open_flags = 0; |
b0d17e0d | 128 | char *data_filename = 0; |
3839e657 | 129 | |
88494bb6 | 130 | reset_getopt(); |
98eb44bd | 131 | while ((c = getopt (argc, argv, "iwfecb:s:d:")) != EOF) { |
3839e657 | 132 | switch (c) { |
59cf7e0d TT |
133 | case 'i': |
134 | open_flags |= EXT2_FLAG_IMAGE_FILE; | |
135 | break; | |
3839e657 | 136 | case 'w': |
d3aea7dc TT |
137 | open_flags |= EXT2_FLAG_RW; |
138 | break; | |
139 | case 'f': | |
140 | open_flags |= EXT2_FLAG_FORCE; | |
3839e657 | 141 | break; |
98eb44bd TT |
142 | case 'e': |
143 | open_flags |= EXT2_FLAG_EXCLUSIVE; | |
144 | break; | |
2e8d40d5 TT |
145 | case 'c': |
146 | catastrophic = 1; | |
147 | break; | |
1ad54a94 TT |
148 | case 'd': |
149 | data_filename = optarg; | |
150 | break; | |
2e8d40d5 | 151 | case 'b': |
e1018eea TT |
152 | blocksize = parse_ulong(optarg, argv[0], |
153 | "block size", &err); | |
154 | if (err) | |
2e8d40d5 | 155 | return; |
2e8d40d5 TT |
156 | break; |
157 | case 's': | |
e1018eea TT |
158 | superblock = parse_ulong(optarg, argv[0], |
159 | "superblock number", &err); | |
160 | if (err) | |
2e8d40d5 | 161 | return; |
2e8d40d5 | 162 | break; |
3839e657 | 163 | default: |
9b9a780f | 164 | goto print_usage; |
3839e657 TT |
165 | } |
166 | } | |
167 | if (optind != argc-1) { | |
9b9a780f | 168 | goto print_usage; |
3839e657 TT |
169 | } |
170 | if (check_fs_not_open(argv[0])) | |
171 | return; | |
2e8d40d5 | 172 | open_filesystem(argv[optind], open_flags, |
1ad54a94 TT |
173 | superblock, blocksize, catastrophic, |
174 | data_filename); | |
9b9a780f TT |
175 | return; |
176 | ||
177 | print_usage: | |
178 | fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] " | |
179 | "[-c] [-w] <device>\n", argv[0]); | |
2e8d40d5 TT |
180 | } |
181 | ||
182 | void do_lcd(int argc, char **argv) | |
183 | { | |
e1018eea TT |
184 | if (common_args_process(argc, argv, 2, 2, "lcd", |
185 | "<native dir>", 0)) | |
2e8d40d5 | 186 | return; |
2e8d40d5 TT |
187 | |
188 | if (chdir(argv[1]) == -1) { | |
189 | com_err(argv[0], errno, | |
190 | "while trying to change native directory to %s", | |
191 | argv[1]); | |
192 | return; | |
193 | } | |
3839e657 TT |
194 | } |
195 | ||
50e1e10f | 196 | static void close_filesystem(NOARGS) |
3839e657 TT |
197 | { |
198 | int retval; | |
199 | ||
fc6d9d51 TT |
200 | if (current_fs->flags & EXT2_FLAG_IB_DIRTY) { |
201 | retval = ext2fs_write_inode_bitmap(current_fs); | |
3839e657 | 202 | if (retval) |
9b9a780f | 203 | com_err("ext2fs_write_inode_bitmap", retval, 0); |
3839e657 | 204 | } |
fc6d9d51 TT |
205 | if (current_fs->flags & EXT2_FLAG_BB_DIRTY) { |
206 | retval = ext2fs_write_block_bitmap(current_fs); | |
3839e657 | 207 | if (retval) |
9b9a780f | 208 | com_err("ext2fs_write_block_bitmap", retval, 0); |
3839e657 | 209 | } |
fc6d9d51 | 210 | retval = ext2fs_close(current_fs); |
3839e657 | 211 | if (retval) |
9b9a780f | 212 | com_err("ext2fs_close", retval, 0); |
fc6d9d51 | 213 | current_fs = NULL; |
3839e657 TT |
214 | return; |
215 | } | |
216 | ||
217 | void do_close_filesys(int argc, char **argv) | |
218 | { | |
e1018eea | 219 | if (common_args_process(argc, argv, 1, 1, "close_filesys", "", 0)) |
3839e657 TT |
220 | return; |
221 | close_filesystem(); | |
222 | } | |
223 | ||
224 | void do_init_filesys(int argc, char **argv) | |
225 | { | |
3839e657 TT |
226 | struct ext2_super_block param; |
227 | errcode_t retval; | |
e1018eea | 228 | int err; |
3839e657 | 229 | |
e1018eea TT |
230 | if (common_args_process(argc, argv, 3, 3, "initialize", |
231 | "<device> <blocksize>", CHECK_FS_NOTOPEN)) | |
3839e657 TT |
232 | return; |
233 | ||
234 | memset(¶m, 0, sizeof(struct ext2_super_block)); | |
b38cd283 | 235 | param.s_blocks_count = parse_ulong(argv[2], argv[0], |
e1018eea TT |
236 | "blocks count", &err); |
237 | if (err) | |
3839e657 | 238 | return; |
fc6d9d51 TT |
239 | retval = ext2fs_initialize(argv[1], 0, ¶m, |
240 | unix_io_manager, ¤t_fs); | |
3839e657 TT |
241 | if (retval) { |
242 | com_err(argv[1], retval, "while initializing filesystem"); | |
fc6d9d51 | 243 | current_fs = NULL; |
3839e657 TT |
244 | return; |
245 | } | |
246 | root = cwd = EXT2_ROOT_INO; | |
247 | return; | |
248 | } | |
249 | ||
5dd8f963 | 250 | static void print_features(struct ext2_super_block * s, FILE *f) |
d3aea7dc | 251 | { |
d3aea7dc | 252 | int i, j, printed=0; |
092c3dec | 253 | __u32 *mask = &s->s_feature_compat, m; |
d3aea7dc | 254 | |
777ebb3e | 255 | fputs("Filesystem features:", f); |
d3aea7dc TT |
256 | for (i=0; i <3; i++,mask++) { |
257 | for (j=0,m=1; j < 32; j++, m<<=1) { | |
258 | if (*mask & m) { | |
259 | fprintf(f, " %s", e2p_feature2string(i, m)); | |
260 | printed++; | |
261 | } | |
262 | } | |
263 | } | |
264 | if (printed == 0) | |
777ebb3e TT |
265 | fputs("(none)", f); |
266 | fputs("\n", f); | |
d3aea7dc TT |
267 | } |
268 | ||
f5fa2007 TT |
269 | static void print_bg_opts(struct ext2_group_desc *gdp, int mask, |
270 | const char *str, int *first, FILE *f) | |
271 | { | |
272 | if (gdp->bg_flags & mask) { | |
273 | if (*first) { | |
274 | fputs(" [", f); | |
275 | *first = 0; | |
276 | } else | |
277 | fputs(", ", f); | |
278 | fputs(str, f); | |
279 | } | |
280 | } | |
281 | ||
3839e657 TT |
282 | void do_show_super_stats(int argc, char *argv[]) |
283 | { | |
54434927 | 284 | dgrp_t i; |
3839e657 | 285 | FILE *out; |
fc6d9d51 | 286 | struct ext2_group_desc *gdp; |
d3aea7dc | 287 | int c, header_only = 0; |
f5fa2007 | 288 | int numdirs = 0, first; |
3839e657 | 289 | |
88494bb6 | 290 | reset_getopt(); |
d3aea7dc TT |
291 | while ((c = getopt (argc, argv, "h")) != EOF) { |
292 | switch (c) { | |
293 | case 'h': | |
294 | header_only++; | |
295 | break; | |
296 | default: | |
9b9a780f | 297 | goto print_usage; |
d3aea7dc TT |
298 | } |
299 | } | |
300 | if (optind != argc) { | |
9b9a780f | 301 | goto print_usage; |
3839e657 TT |
302 | } |
303 | if (check_fs_open(argv[0])) | |
304 | return; | |
305 | out = open_pager(); | |
bd09eff9 TT |
306 | |
307 | list_super2(current_fs->super, out); | |
34be9609 TT |
308 | for (i=0; i < current_fs->group_desc_count; i++) |
309 | numdirs += current_fs->group_desc[i].bg_used_dirs_count; | |
310 | fprintf(out, "Directories: %d\n", numdirs); | |
311 | ||
d3aea7dc TT |
312 | if (header_only) { |
313 | close_pager(out); | |
314 | return; | |
315 | } | |
fc6d9d51 TT |
316 | |
317 | gdp = ¤t_fs->group_desc[0]; | |
f5fa2007 | 318 | for (i = 0; i < current_fs->group_desc_count; i++, gdp++) { |
8deb80a5 TS |
319 | fprintf(out, " Group %2d: block bitmap at %u, " |
320 | "inode bitmap at %u, " | |
321 | "inode table at %u\n" | |
b74d1d89 TT |
322 | " %d free %s, " |
323 | "%d free %s, " | |
324 | "%d used %s\n", | |
fc6d9d51 TT |
325 | i, gdp->bg_block_bitmap, |
326 | gdp->bg_inode_bitmap, gdp->bg_inode_table, | |
327 | gdp->bg_free_blocks_count, | |
b74d1d89 | 328 | gdp->bg_free_blocks_count != 1 ? "blocks" : "block", |
fc6d9d51 | 329 | gdp->bg_free_inodes_count, |
b74d1d89 | 330 | gdp->bg_free_inodes_count != 1 ? "inodes" : "inode", |
fc6d9d51 | 331 | gdp->bg_used_dirs_count, |
b74d1d89 TT |
332 | gdp->bg_used_dirs_count != 1 ? "directories" |
333 | : "directory"); | |
f5fa2007 TT |
334 | first = 1; |
335 | print_bg_opts(gdp, EXT2_BG_INODE_UNINIT, "Inode not init", | |
336 | &first, out); | |
337 | print_bg_opts(gdp, EXT2_BG_BLOCK_UNINIT, "Block not init", | |
338 | &first, out); | |
339 | if (!first) | |
340 | fputs("]\n", out); | |
341 | } | |
3839e657 | 342 | close_pager(out); |
9b9a780f TT |
343 | return; |
344 | print_usage: | |
345 | fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]); | |
3839e657 TT |
346 | } |
347 | ||
54434927 TT |
348 | void do_dirty_filesys(int argc EXT2FS_ATTR((unused)), |
349 | char **argv EXT2FS_ATTR((unused))) | |
21c84b71 TT |
350 | { |
351 | if (check_fs_open(argv[0])) | |
352 | return; | |
601002bd TT |
353 | if (check_fs_read_write(argv[0])) |
354 | return; | |
355 | ||
356 | if (argv[1] && !strcmp(argv[1], "-clean")) | |
357 | current_fs->super->s_state |= EXT2_VALID_FS; | |
358 | else | |
359 | current_fs->super->s_state &= ~EXT2_VALID_FS; | |
21c84b71 TT |
360 | ext2fs_mark_super_dirty(current_fs); |
361 | } | |
362 | ||
3839e657 | 363 | struct list_blocks_struct { |
89e25cfd AD |
364 | FILE *f; |
365 | e2_blkcnt_t total; | |
366 | blk_t first_block, last_block; | |
367 | e2_blkcnt_t first_bcnt, last_bcnt; | |
368 | e2_blkcnt_t first; | |
3839e657 TT |
369 | }; |
370 | ||
0a3db93a TT |
371 | static void finish_range(struct list_blocks_struct *lb) |
372 | { | |
373 | if (lb->first_block == 0) | |
374 | return; | |
375 | if (lb->first) | |
376 | lb->first = 0; | |
377 | else | |
80bfaa3e | 378 | fprintf(lb->f, ", "); |
0a3db93a | 379 | if (lb->first_block == lb->last_block) |
8deb80a5 | 380 | fprintf(lb->f, "(%lld):%u", lb->first_bcnt, lb->first_block); |
0a3db93a | 381 | else |
8deb80a5 | 382 | fprintf(lb->f, "(%lld-%lld):%u-%u", lb->first_bcnt, |
0a3db93a TT |
383 | lb->last_bcnt, lb->first_block, lb->last_block); |
384 | lb->first_block = 0; | |
385 | } | |
386 | ||
54434927 TT |
387 | static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)), |
388 | blk_t *blocknr, e2_blkcnt_t blockcnt, | |
389 | blk_t ref_block EXT2FS_ATTR((unused)), | |
390 | int ref_offset EXT2FS_ATTR((unused)), | |
391 | void *private) | |
3839e657 TT |
392 | { |
393 | struct list_blocks_struct *lb = (struct list_blocks_struct *) private; | |
394 | ||
0a3db93a TT |
395 | lb->total++; |
396 | if (blockcnt >= 0) { | |
397 | /* | |
398 | * See if we can add on to the existing range (if it exists) | |
399 | */ | |
400 | if (lb->first_block && | |
401 | (lb->last_block+1 == *blocknr) && | |
402 | (lb->last_bcnt+1 == blockcnt)) { | |
403 | lb->last_block = *blocknr; | |
404 | lb->last_bcnt = blockcnt; | |
405 | return 0; | |
406 | } | |
407 | /* | |
408 | * Start a new range. | |
409 | */ | |
410 | finish_range(lb); | |
411 | lb->first_block = lb->last_block = *blocknr; | |
412 | lb->first_bcnt = lb->last_bcnt = blockcnt; | |
413 | return 0; | |
414 | } | |
415 | /* | |
416 | * Not a normal block. Always force a new range. | |
417 | */ | |
418 | finish_range(lb); | |
419 | if (lb->first) | |
420 | lb->first = 0; | |
421 | else | |
2c4a5406 | 422 | fprintf(lb->f, ", "); |
a5eef73b | 423 | if (blockcnt == -1) |
8deb80a5 | 424 | fprintf(lb->f, "(IND):%u", *blocknr); |
a5eef73b | 425 | else if (blockcnt == -2) |
8deb80a5 | 426 | fprintf(lb->f, "(DIND):%u", *blocknr); |
a5eef73b | 427 | else if (blockcnt == -3) |
8deb80a5 | 428 | fprintf(lb->f, "(TIND):%u", *blocknr); |
3839e657 TT |
429 | return 0; |
430 | } | |
431 | ||
9b9a780f | 432 | static void dump_xattr_string(FILE *out, const char *str, int len) |
ea822eeb TT |
433 | { |
434 | int printable = 1; | |
435 | int i; | |
436 | ||
437 | /* check is string printable? */ | |
438 | for (i = 0; i < len; i++) | |
439 | if (!isprint(str[i])) { | |
440 | printable = 0; | |
441 | break; | |
442 | } | |
443 | ||
444 | for (i = 0; i < len; i++) | |
445 | if (printable) | |
d047e073 | 446 | fprintf(out, "%c", (unsigned char)str[i]); |
ea822eeb | 447 | else |
d047e073 | 448 | fprintf(out, "%02x ", (unsigned char)str[i]); |
ea822eeb TT |
449 | } |
450 | ||
9b9a780f TT |
451 | static void internal_dump_inode_extra(FILE *out, const char *prefix, |
452 | ext2_ino_t inode_num, | |
453 | struct ext2_inode_large *inode) | |
ea822eeb TT |
454 | { |
455 | struct ext2_ext_attr_entry *entry; | |
456 | __u32 *magic; | |
457 | char *start, *end; | |
9b9a780f | 458 | unsigned int storage_size; |
ea822eeb | 459 | |
8deb80a5 | 460 | fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize); |
ea822eeb TT |
461 | if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) - |
462 | EXT2_GOOD_OLD_INODE_SIZE) { | |
463 | fprintf(stderr, "invalid inode->i_extra_isize (%u)\n", | |
464 | inode->i_extra_isize); | |
465 | return; | |
466 | } | |
467 | storage_size = EXT2_INODE_SIZE(current_fs->super) - | |
468 | EXT2_GOOD_OLD_INODE_SIZE - | |
469 | inode->i_extra_isize; | |
470 | magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE + | |
471 | inode->i_extra_isize); | |
472 | if (*magic == EXT2_EXT_ATTR_MAGIC) { | |
473 | fprintf(out, "Extended attributes stored in inode body: \n"); | |
474 | end = (char *) inode + EXT2_INODE_SIZE(current_fs->super); | |
475 | start = (char *) magic + sizeof(__u32); | |
476 | entry = (struct ext2_ext_attr_entry *) start; | |
477 | while (!EXT2_EXT_IS_LAST_ENTRY(entry)) { | |
478 | struct ext2_ext_attr_entry *next = | |
479 | EXT2_EXT_ATTR_NEXT(entry); | |
480 | if (entry->e_value_size > storage_size || | |
481 | (char *) next >= end) { | |
482 | fprintf(out, "invalid EA entry in inode\n"); | |
483 | return; | |
484 | } | |
485 | fprintf(out, " "); | |
486 | dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry), | |
487 | entry->e_name_len); | |
488 | fprintf(out, " = \""); | |
489 | dump_xattr_string(out, start + entry->e_value_offs, | |
490 | entry->e_value_size); | |
8deb80a5 | 491 | fprintf(out, "\" (%u)\n", entry->e_value_size); |
ea822eeb TT |
492 | entry = next; |
493 | } | |
494 | } | |
495 | } | |
3839e657 | 496 | |
5e4f0709 | 497 | static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode) |
3839e657 TT |
498 | { |
499 | struct list_blocks_struct lb; | |
500 | ||
da81e3fc | 501 | fprintf(f, "%sBLOCKS:\n%s", prefix, prefix); |
3839e657 | 502 | lb.total = 0; |
0a3db93a | 503 | lb.first_block = 0; |
3839e657 | 504 | lb.f = f; |
0a3db93a | 505 | lb.first = 1; |
89e25cfd | 506 | ext2fs_block_iterate2(current_fs, inode, 0, NULL, |
fc6d9d51 | 507 | list_blocks_proc, (void *)&lb); |
0a3db93a | 508 | finish_range(&lb); |
3839e657 | 509 | if (lb.total) |
e8981883 | 510 | fprintf(f, "\n%sTOTAL: %lld\n", prefix, lb.total); |
3839e657 TT |
511 | fprintf(f,"\n"); |
512 | } | |
513 | ||
514 | ||
5e4f0709 | 515 | void internal_dump_inode(FILE *out, const char *prefix, |
da81e3fc TT |
516 | ext2_ino_t inode_num, struct ext2_inode *inode, |
517 | int do_dump_blocks) | |
3839e657 | 518 | { |
50e1e10f | 519 | const char *i_type; |
fc6d9d51 TT |
520 | char frag, fsize; |
521 | int os = current_fs->super->s_creator_os; | |
3839e657 | 522 | |
da81e3fc TT |
523 | if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory"; |
524 | else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular"; | |
525 | else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink"; | |
526 | else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special"; | |
527 | else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special"; | |
528 | else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO"; | |
529 | else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket"; | |
3839e657 | 530 | else i_type = "bad type"; |
da81e3fc TT |
531 | fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type); |
532 | fprintf(out, "%sMode: %04o Flags: 0x%x Generation: %u\n", | |
533 | prefix, | |
534 | inode->i_mode & 0777, inode->i_flags, inode->i_generation); | |
535 | fprintf(out, "%sUser: %5d Group: %5d Size: ", | |
536 | prefix, inode->i_uid, inode->i_gid); | |
1a6bb627 | 537 | if (LINUX_S_ISREG(inode->i_mode)) { |
da81e3fc TT |
538 | __u64 i_size = (inode->i_size | |
539 | ((unsigned long long)inode->i_size_high << 32)); | |
1a6bb627 | 540 | |
36a43d67 | 541 | fprintf(out, "%lld\n", i_size); |
1a6bb627 AD |
542 | } else |
543 | fprintf(out, "%d\n", inode->i_size); | |
fc6d9d51 | 544 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 | 545 | fprintf(out, |
da81e3fc TT |
546 | "%sFile ACL: %d Directory ACL: %d Translator: %d\n", |
547 | prefix, | |
548 | inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0, | |
549 | inode->osd1.hurd1.h_i_translator); | |
62c06f79 | 550 | else |
da81e3fc TT |
551 | fprintf(out, "%sFile ACL: %d Directory ACL: %d\n", |
552 | prefix, | |
553 | inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0); | |
8deb80a5 | 554 | fprintf(out, "%sLinks: %d Blockcount: %u\n", |
da81e3fc | 555 | prefix, inode->i_links_count, inode->i_blocks); |
fc6d9d51 TT |
556 | switch (os) { |
557 | case EXT2_OS_LINUX: | |
da81e3fc TT |
558 | frag = inode->osd2.linux2.l_i_frag; |
559 | fsize = inode->osd2.linux2.l_i_fsize; | |
fc6d9d51 TT |
560 | break; |
561 | case EXT2_OS_HURD: | |
da81e3fc TT |
562 | frag = inode->osd2.hurd2.h_i_frag; |
563 | fsize = inode->osd2.hurd2.h_i_fsize; | |
fc6d9d51 TT |
564 | break; |
565 | case EXT2_OS_MASIX: | |
da81e3fc TT |
566 | frag = inode->osd2.masix2.m_i_frag; |
567 | fsize = inode->osd2.masix2.m_i_fsize; | |
fc6d9d51 TT |
568 | break; |
569 | default: | |
570 | frag = fsize = 0; | |
571 | } | |
da81e3fc TT |
572 | fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n", |
573 | prefix, inode->i_faddr, frag, fsize); | |
574 | fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime, | |
575 | time_to_string(inode->i_ctime)); | |
576 | fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime, | |
577 | time_to_string(inode->i_atime)); | |
578 | fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime, | |
579 | time_to_string(inode->i_mtime)); | |
580 | if (inode->i_dtime) | |
581 | fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime, | |
582 | time_to_string(inode->i_dtime)); | |
ea822eeb TT |
583 | if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE) |
584 | internal_dump_inode_extra(out, prefix, inode_num, | |
585 | (struct ext2_inode_large *) inode); | |
795afc44 | 586 | if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0) |
da81e3fc TT |
587 | fprintf(out, "%sFast_link_dest: %.*s\n", prefix, |
588 | (int) inode->i_size, (char *)inode->i_block); | |
2d10769e TT |
589 | else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) { |
590 | int major, minor; | |
591 | const char *devnote; | |
592 | ||
593 | if (inode->i_block[0]) { | |
594 | major = (inode->i_block[0] >> 8) & 255; | |
595 | minor = inode->i_block[0] & 255; | |
596 | devnote = ""; | |
597 | } else { | |
598 | major = (inode->i_block[1] & 0xfff00) >> 8; | |
599 | minor = ((inode->i_block[1] & 0xff) | | |
600 | ((inode->i_block[1] >> 12) & 0xfff00)); | |
601 | devnote = "(New-style) "; | |
602 | } | |
603 | fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n", | |
604 | devnote, major, minor, major, minor); | |
605 | } | |
da81e3fc TT |
606 | else if (do_dump_blocks) |
607 | dump_blocks(out, prefix, inode_num); | |
608 | } | |
609 | ||
ea822eeb | 610 | static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode) |
da81e3fc TT |
611 | { |
612 | FILE *out; | |
613 | ||
614 | out = open_pager(); | |
ea822eeb | 615 | internal_dump_inode(out, "", inode_num, inode, 1); |
3839e657 TT |
616 | close_pager(out); |
617 | } | |
618 | ||
3839e657 TT |
619 | void do_stat(int argc, char *argv[]) |
620 | { | |
b044c2e0 | 621 | ext2_ino_t inode; |
ea822eeb | 622 | struct ext2_inode * inode_buf; |
3839e657 | 623 | |
64777391 | 624 | if (check_fs_open(argv[0])) |
8363e357 | 625 | return; |
64777391 | 626 | |
ea822eeb TT |
627 | inode_buf = (struct ext2_inode *) |
628 | malloc(EXT2_INODE_SIZE(current_fs->super)); | |
629 | if (!inode_buf) { | |
630 | fprintf(stderr, "do_stat: can't allocate buffer\n"); | |
3839e657 | 631 | return; |
ea822eeb | 632 | } |
3839e657 | 633 | |
ea822eeb TT |
634 | if (common_inode_args_process(argc, argv, &inode, 0)) { |
635 | free(inode_buf); | |
636 | return; | |
637 | } | |
638 | ||
639 | if (debugfs_read_inode_full(inode, inode_buf, argv[0], | |
640 | EXT2_INODE_SIZE(current_fs->super))) { | |
641 | free(inode_buf); | |
e1018eea | 642 | return; |
ea822eeb | 643 | } |
3839e657 | 644 | |
ea822eeb TT |
645 | dump_inode(inode, inode_buf); |
646 | free(inode_buf); | |
3839e657 TT |
647 | return; |
648 | } | |
649 | ||
650 | void do_chroot(int argc, char *argv[]) | |
651 | { | |
b044c2e0 | 652 | ext2_ino_t inode; |
3839e657 TT |
653 | int retval; |
654 | ||
e1018eea | 655 | if (common_inode_args_process(argc, argv, &inode, 0)) |
3839e657 TT |
656 | return; |
657 | ||
fc6d9d51 | 658 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 | 659 | if (retval) { |
9b9a780f | 660 | com_err(argv[1], retval, 0); |
3839e657 TT |
661 | return; |
662 | } | |
663 | root = inode; | |
664 | } | |
665 | ||
666 | void do_clri(int argc, char *argv[]) | |
667 | { | |
b044c2e0 | 668 | ext2_ino_t inode; |
3839e657 TT |
669 | struct ext2_inode inode_buf; |
670 | ||
e1018eea | 671 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW)) |
3839e657 TT |
672 | return; |
673 | ||
e1018eea | 674 | if (debugfs_read_inode(inode, &inode_buf, argv[0])) |
3839e657 | 675 | return; |
3839e657 | 676 | memset(&inode_buf, 0, sizeof(inode_buf)); |
e1018eea | 677 | if (debugfs_write_inode(inode, &inode_buf, argv[0])) |
3839e657 | 678 | return; |
3839e657 TT |
679 | } |
680 | ||
681 | void do_freei(int argc, char *argv[]) | |
682 | { | |
b044c2e0 | 683 | ext2_ino_t inode; |
3839e657 | 684 | |
e1018eea TT |
685 | if (common_inode_args_process(argc, argv, &inode, |
686 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
3839e657 TT |
687 | return; |
688 | ||
fc6d9d51 | 689 | if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 690 | com_err(argv[0], 0, "Warning: inode already clear"); |
fc6d9d51 TT |
691 | ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode); |
692 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
693 | } |
694 | ||
695 | void do_seti(int argc, char *argv[]) | |
696 | { | |
b044c2e0 | 697 | ext2_ino_t inode; |
3839e657 | 698 | |
e1018eea TT |
699 | if (common_inode_args_process(argc, argv, &inode, |
700 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
3839e657 TT |
701 | return; |
702 | ||
fc6d9d51 | 703 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 704 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
705 | ext2fs_mark_inode_bitmap(current_fs->inode_map,inode); |
706 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
707 | } |
708 | ||
709 | void do_testi(int argc, char *argv[]) | |
710 | { | |
b044c2e0 | 711 | ext2_ino_t inode; |
3839e657 | 712 | |
e1018eea | 713 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS)) |
3839e657 TT |
714 | return; |
715 | ||
fc6d9d51 | 716 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
b044c2e0 | 717 | printf("Inode %u is marked in use\n", inode); |
3839e657 | 718 | else |
b044c2e0 | 719 | printf("Inode %u is not in use\n", inode); |
3839e657 TT |
720 | } |
721 | ||
3839e657 TT |
722 | void do_freeb(int argc, char *argv[]) |
723 | { | |
724 | blk_t block; | |
e1018eea | 725 | int count = 1; |
3839e657 | 726 | |
e1018eea | 727 | if (common_block_args_process(argc, argv, &block, &count)) |
3839e657 | 728 | return; |
fc6d9d51 | 729 | if (check_fs_read_write(argv[0])) |
3839e657 | 730 | return; |
e1018eea TT |
731 | while (count-- > 0) { |
732 | if (!ext2fs_test_block_bitmap(current_fs->block_map,block)) | |
8deb80a5 | 733 | com_err(argv[0], 0, "Warning: block %u already clear", |
e1018eea TT |
734 | block); |
735 | ext2fs_unmark_block_bitmap(current_fs->block_map,block); | |
736 | block++; | |
737 | } | |
fc6d9d51 | 738 | ext2fs_mark_bb_dirty(current_fs); |
3839e657 TT |
739 | } |
740 | ||
741 | void do_setb(int argc, char *argv[]) | |
742 | { | |
743 | blk_t block; | |
e1018eea | 744 | int count = 1; |
3839e657 | 745 | |
e1018eea | 746 | if (common_block_args_process(argc, argv, &block, &count)) |
3839e657 | 747 | return; |
fc6d9d51 | 748 | if (check_fs_read_write(argv[0])) |
3839e657 | 749 | return; |
e1018eea TT |
750 | while (count-- > 0) { |
751 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) | |
8deb80a5 | 752 | com_err(argv[0], 0, "Warning: block %u already set", |
e1018eea TT |
753 | block); |
754 | ext2fs_mark_block_bitmap(current_fs->block_map,block); | |
755 | block++; | |
756 | } | |
fc6d9d51 | 757 | ext2fs_mark_bb_dirty(current_fs); |
3839e657 TT |
758 | } |
759 | ||
760 | void do_testb(int argc, char *argv[]) | |
761 | { | |
762 | blk_t block; | |
e1018eea | 763 | int count = 1; |
3839e657 | 764 | |
e1018eea | 765 | if (common_block_args_process(argc, argv, &block, &count)) |
3839e657 | 766 | return; |
e1018eea TT |
767 | while (count-- > 0) { |
768 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) | |
8deb80a5 | 769 | printf("Block %u marked in use\n", block); |
e1018eea | 770 | else |
8deb80a5 | 771 | printf("Block %u not in use\n", block); |
e1018eea | 772 | block++; |
3839e657 | 773 | } |
3839e657 TT |
774 | } |
775 | ||
50e1e10f TT |
776 | static void modify_u8(char *com, const char *prompt, |
777 | const char *format, __u8 *val) | |
3839e657 TT |
778 | { |
779 | char buf[200]; | |
21c84b71 | 780 | unsigned long v; |
3839e657 TT |
781 | char *tmp; |
782 | ||
783 | sprintf(buf, format, *val); | |
784 | printf("%30s [%s] ", prompt, buf); | |
785 | fgets(buf, sizeof(buf), stdin); | |
786 | if (buf[strlen (buf) - 1] == '\n') | |
787 | buf[strlen (buf) - 1] = '\0'; | |
788 | if (!buf[0]) | |
789 | return; | |
21c84b71 | 790 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
791 | if (*tmp) |
792 | com_err(com, 0, "Bad value - %s", buf); | |
793 | else | |
794 | *val = v; | |
795 | } | |
796 | ||
50e1e10f TT |
797 | static void modify_u16(char *com, const char *prompt, |
798 | const char *format, __u16 *val) | |
3839e657 TT |
799 | { |
800 | char buf[200]; | |
21c84b71 | 801 | unsigned long v; |
3839e657 TT |
802 | char *tmp; |
803 | ||
804 | sprintf(buf, format, *val); | |
805 | printf("%30s [%s] ", prompt, buf); | |
806 | fgets(buf, sizeof(buf), stdin); | |
807 | if (buf[strlen (buf) - 1] == '\n') | |
808 | buf[strlen (buf) - 1] = '\0'; | |
809 | if (!buf[0]) | |
810 | return; | |
21c84b71 | 811 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
812 | if (*tmp) |
813 | com_err(com, 0, "Bad value - %s", buf); | |
814 | else | |
815 | *val = v; | |
816 | } | |
817 | ||
50e1e10f TT |
818 | static void modify_u32(char *com, const char *prompt, |
819 | const char *format, __u32 *val) | |
3839e657 TT |
820 | { |
821 | char buf[200]; | |
21c84b71 | 822 | unsigned long v; |
3839e657 TT |
823 | char *tmp; |
824 | ||
825 | sprintf(buf, format, *val); | |
826 | printf("%30s [%s] ", prompt, buf); | |
827 | fgets(buf, sizeof(buf), stdin); | |
828 | if (buf[strlen (buf) - 1] == '\n') | |
829 | buf[strlen (buf) - 1] = '\0'; | |
830 | if (!buf[0]) | |
831 | return; | |
21c84b71 | 832 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
833 | if (*tmp) |
834 | com_err(com, 0, "Bad value - %s", buf); | |
835 | else | |
836 | *val = v; | |
837 | } | |
838 | ||
839 | ||
840 | void do_modify_inode(int argc, char *argv[]) | |
841 | { | |
842 | struct ext2_inode inode; | |
b044c2e0 TT |
843 | ext2_ino_t inode_num; |
844 | int i; | |
b044c2e0 TT |
845 | unsigned char *frag, *fsize; |
846 | char buf[80]; | |
7380ac90 | 847 | int os; |
b044c2e0 TT |
848 | const char *hex_format = "0x%x"; |
849 | const char *octal_format = "0%o"; | |
850 | const char *decimal_format = "%d"; | |
8deb80a5 | 851 | const char *unsignedlong_format = "%lu"; |
3839e657 | 852 | |
e1018eea | 853 | if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW)) |
3839e657 TT |
854 | return; |
855 | ||
7380ac90 TT |
856 | os = current_fs->super->s_creator_os; |
857 | ||
e1018eea | 858 | if (debugfs_read_inode(inode_num, &inode, argv[1])) |
3839e657 | 859 | return; |
3839e657 | 860 | |
50e1e10f TT |
861 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); |
862 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
863 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
8deb80a5 | 864 | modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size); |
50e1e10f TT |
865 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); |
866 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
867 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
868 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
869 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
8deb80a5 | 870 | modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks); |
50e1e10f | 871 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); |
3db9305a | 872 | modify_u32(argv[0], "Generation", hex_format, &inode.i_generation); |
50e1e10f TT |
873 | #if 0 |
874 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
875 | #endif | |
876 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
36a43d67 TT |
877 | if (LINUX_S_ISDIR(inode.i_mode)) |
878 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
879 | else | |
880 | modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high); | |
62c06f79 | 881 | |
fc6d9d51 | 882 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
883 | modify_u32(argv[0], "Translator Block", |
884 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
885 | ||
50e1e10f | 886 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); |
fc6d9d51 TT |
887 | switch (os) { |
888 | case EXT2_OS_LINUX: | |
889 | frag = &inode.osd2.linux2.l_i_frag; | |
890 | fsize = &inode.osd2.linux2.l_i_fsize; | |
891 | break; | |
892 | case EXT2_OS_HURD: | |
893 | frag = &inode.osd2.hurd2.h_i_frag; | |
894 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
895 | break; | |
896 | case EXT2_OS_MASIX: | |
897 | frag = &inode.osd2.masix2.m_i_frag; | |
898 | fsize = &inode.osd2.masix2.m_i_fsize; | |
899 | break; | |
900 | default: | |
901 | frag = fsize = 0; | |
902 | } | |
903 | if (frag) | |
904 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
905 | if (fsize) | |
906 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
907 | ||
3839e657 TT |
908 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { |
909 | sprintf(buf, "Direct Block #%d", i); | |
50e1e10f | 910 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); |
3839e657 | 911 | } |
50e1e10f | 912 | modify_u32(argv[0], "Indirect Block", decimal_format, |
3839e657 | 913 | &inode.i_block[EXT2_IND_BLOCK]); |
50e1e10f | 914 | modify_u32(argv[0], "Double Indirect Block", decimal_format, |
3839e657 | 915 | &inode.i_block[EXT2_DIND_BLOCK]); |
50e1e10f | 916 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, |
3839e657 | 917 | &inode.i_block[EXT2_TIND_BLOCK]); |
e1018eea | 918 | if (debugfs_write_inode(inode_num, &inode, argv[1])) |
3839e657 | 919 | return; |
3839e657 TT |
920 | } |
921 | ||
3839e657 TT |
922 | void do_change_working_dir(int argc, char *argv[]) |
923 | { | |
b044c2e0 TT |
924 | ext2_ino_t inode; |
925 | int retval; | |
3839e657 | 926 | |
e1018eea | 927 | if (common_inode_args_process(argc, argv, &inode, 0)) |
3839e657 TT |
928 | return; |
929 | ||
fc6d9d51 | 930 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 | 931 | if (retval) { |
9b9a780f | 932 | com_err(argv[1], retval, 0); |
3839e657 TT |
933 | return; |
934 | } | |
935 | cwd = inode; | |
936 | return; | |
937 | } | |
938 | ||
3839e657 TT |
939 | void do_print_working_directory(int argc, char *argv[]) |
940 | { | |
941 | int retval; | |
942 | char *pathname = NULL; | |
943 | ||
e1018eea TT |
944 | if (common_args_process(argc, argv, 1, 1, |
945 | "print_working_directory", "", 0)) | |
3839e657 TT |
946 | return; |
947 | ||
fc6d9d51 | 948 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); |
3839e657 TT |
949 | if (retval) { |
950 | com_err(argv[0], retval, | |
951 | "while trying to get pathname of cwd"); | |
952 | } | |
b044c2e0 | 953 | printf("[pwd] INODE: %6u PATH: %s\n", cwd, pathname); |
3839e657 | 954 | free(pathname); |
fc6d9d51 | 955 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); |
3839e657 TT |
956 | if (retval) { |
957 | com_err(argv[0], retval, | |
958 | "while trying to get pathname of root"); | |
959 | } | |
b044c2e0 | 960 | printf("[root] INODE: %6u PATH: %s\n", root, pathname); |
3839e657 TT |
961 | free(pathname); |
962 | return; | |
963 | } | |
964 | ||
abdf84f3 TT |
965 | /* |
966 | * Given a mode, return the ext2 file type | |
967 | */ | |
968 | static int ext2_file_type(unsigned int mode) | |
969 | { | |
970 | if (LINUX_S_ISREG(mode)) | |
971 | return EXT2_FT_REG_FILE; | |
972 | ||
973 | if (LINUX_S_ISDIR(mode)) | |
974 | return EXT2_FT_DIR; | |
975 | ||
976 | if (LINUX_S_ISCHR(mode)) | |
977 | return EXT2_FT_CHRDEV; | |
978 | ||
979 | if (LINUX_S_ISBLK(mode)) | |
980 | return EXT2_FT_BLKDEV; | |
981 | ||
982 | if (LINUX_S_ISLNK(mode)) | |
983 | return EXT2_FT_SYMLINK; | |
984 | ||
985 | if (LINUX_S_ISFIFO(mode)) | |
986 | return EXT2_FT_FIFO; | |
987 | ||
988 | if (LINUX_S_ISSOCK(mode)) | |
989 | return EXT2_FT_SOCK; | |
990 | ||
991 | return 0; | |
992 | } | |
993 | ||
50e1e10f | 994 | static void make_link(char *sourcename, char *destname) |
3839e657 | 995 | { |
abdf84f3 TT |
996 | ext2_ino_t ino; |
997 | struct ext2_inode inode; | |
b044c2e0 TT |
998 | int retval; |
999 | ext2_ino_t dir; | |
1000 | char *dest, *cp, *basename; | |
3839e657 TT |
1001 | |
1002 | /* | |
1003 | * Get the source inode | |
1004 | */ | |
abdf84f3 TT |
1005 | ino = string_to_inode(sourcename); |
1006 | if (!ino) | |
3839e657 TT |
1007 | return; |
1008 | basename = strrchr(sourcename, '/'); | |
1009 | if (basename) | |
1010 | basename++; | |
1011 | else | |
1012 | basename = sourcename; | |
1013 | /* | |
1014 | * Figure out the destination. First see if it exists and is | |
1015 | * a directory. | |
1016 | */ | |
fc6d9d51 | 1017 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) |
3839e657 TT |
1018 | dest = basename; |
1019 | else { | |
1020 | /* | |
1021 | * OK, it doesn't exist. See if it is | |
1022 | * '<dir>/basename' or 'basename' | |
1023 | */ | |
1024 | cp = strrchr(destname, '/'); | |
1025 | if (cp) { | |
1026 | *cp = 0; | |
1027 | dir = string_to_inode(destname); | |
1028 | if (!dir) | |
1029 | return; | |
1030 | dest = cp+1; | |
1031 | } else { | |
1032 | dir = cwd; | |
1033 | dest = destname; | |
1034 | } | |
1035 | } | |
abdf84f3 TT |
1036 | |
1037 | if (debugfs_read_inode(ino, &inode, sourcename)) | |
1038 | return; | |
3839e657 | 1039 | |
abdf84f3 TT |
1040 | retval = ext2fs_link(current_fs, dir, dest, ino, |
1041 | ext2_file_type(inode.i_mode)); | |
3839e657 | 1042 | if (retval) |
9b9a780f | 1043 | com_err("make_link", retval, 0); |
3839e657 TT |
1044 | return; |
1045 | } | |
1046 | ||
1047 | ||
1048 | void do_link(int argc, char *argv[]) | |
1049 | { | |
e1018eea TT |
1050 | if (common_args_process(argc, argv, 3, 3, "link", |
1051 | "<source file> <dest_name>", CHECK_FS_RW)) | |
1052 | return; | |
1053 | ||
1054 | make_link(argv[1], argv[2]); | |
1055 | } | |
1056 | ||
1057 | static int mark_blocks_proc(ext2_filsys fs, blk_t *blocknr, | |
54434927 TT |
1058 | int blockcnt EXT2FS_ATTR((unused)), |
1059 | void *private EXT2FS_ATTR((unused))) | |
e1018eea TT |
1060 | { |
1061 | blk_t block; | |
e1018eea TT |
1062 | |
1063 | block = *blocknr; | |
1064 | ext2fs_block_alloc_stats(fs, block, +1); | |
1065 | return 0; | |
1066 | } | |
1067 | ||
1068 | void do_undel(int argc, char *argv[]) | |
1069 | { | |
1070 | ext2_ino_t ino; | |
1071 | struct ext2_inode inode; | |
e1018eea TT |
1072 | |
1073 | if (common_args_process(argc, argv, 3, 3, "undelete", | |
1074 | "<inode_num> <dest_name>", | |
1075 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
1076 | return; | |
1077 | ||
1078 | ino = string_to_inode(argv[1]); | |
1079 | if (!ino) | |
1080 | return; | |
1081 | ||
1082 | if (debugfs_read_inode(ino, &inode, argv[1])) | |
1083 | return; | |
1084 | ||
1085 | if (ext2fs_test_inode_bitmap(current_fs->inode_map, ino)) { | |
1086 | com_err(argv[1], 0, "Inode is not marked as deleted"); | |
3839e657 TT |
1087 | return; |
1088 | } | |
e1018eea TT |
1089 | |
1090 | /* | |
1091 | * XXX this function doesn't handle changing the links count on the | |
1092 | * parent directory when undeleting a directory. | |
1093 | */ | |
1094 | inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1; | |
1095 | inode.i_dtime = 0; | |
1096 | ||
1097 | if (debugfs_write_inode(ino, &inode, argv[0])) | |
3839e657 TT |
1098 | return; |
1099 | ||
e1018eea TT |
1100 | ext2fs_block_iterate(current_fs, ino, 0, NULL, |
1101 | mark_blocks_proc, NULL); | |
1102 | ||
d7f64ae8 | 1103 | ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0); |
e1018eea | 1104 | |
3839e657 TT |
1105 | make_link(argv[1], argv[2]); |
1106 | } | |
1107 | ||
50e1e10f | 1108 | static void unlink_file_by_name(char *filename) |
3839e657 | 1109 | { |
b044c2e0 TT |
1110 | int retval; |
1111 | ext2_ino_t dir; | |
1112 | char *basename; | |
3839e657 TT |
1113 | |
1114 | basename = strrchr(filename, '/'); | |
1115 | if (basename) { | |
fc6d9d51 | 1116 | *basename++ = '\0'; |
3839e657 TT |
1117 | dir = string_to_inode(filename); |
1118 | if (!dir) | |
1119 | return; | |
1120 | } else { | |
1121 | dir = cwd; | |
1122 | basename = filename; | |
1123 | } | |
fc6d9d51 | 1124 | retval = ext2fs_unlink(current_fs, dir, basename, 0, 0); |
3839e657 | 1125 | if (retval) |
9b9a780f | 1126 | com_err("unlink_file_by_name", retval, 0); |
3839e657 TT |
1127 | return; |
1128 | } | |
1129 | ||
1130 | void do_unlink(int argc, char *argv[]) | |
1131 | { | |
e1018eea TT |
1132 | if (common_args_process(argc, argv, 2, 2, "link", |
1133 | "<pathname>", CHECK_FS_RW)) | |
3839e657 TT |
1134 | return; |
1135 | ||
1136 | unlink_file_by_name(argv[1]); | |
1137 | } | |
1138 | ||
1139 | void do_find_free_block(int argc, char *argv[]) | |
1140 | { | |
1141 | blk_t free_blk, goal; | |
e1018eea | 1142 | int count; |
3839e657 TT |
1143 | errcode_t retval; |
1144 | char *tmp; | |
1145 | ||
e1018eea TT |
1146 | if ((argc > 3) || (argc==2 && *argv[1] == '?')) { |
1147 | com_err(argv[0], 0, "Usage: find_free_block [count [goal]]"); | |
3839e657 TT |
1148 | return; |
1149 | } | |
1150 | if (check_fs_open(argv[0])) | |
1151 | return; | |
1152 | ||
1153 | if (argc > 1) { | |
e1018eea TT |
1154 | count = strtol(argv[1],&tmp,0); |
1155 | if (*tmp) { | |
1156 | com_err(argv[0], 0, "Bad count - %s", argv[1]); | |
1157 | return; | |
1158 | } | |
1159 | } else | |
1160 | count = 1; | |
1161 | ||
1162 | if (argc > 2) { | |
1163 | goal = strtol(argv[2], &tmp, 0); | |
3839e657 TT |
1164 | if (*tmp) { |
1165 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
1166 | return; | |
1167 | } | |
1168 | } | |
1169 | else | |
fc6d9d51 | 1170 | goal = current_fs->super->s_first_data_block; |
3839e657 | 1171 | |
e1018eea TT |
1172 | printf("Free blocks found: "); |
1173 | free_blk = goal - 1; | |
1174 | while (count-- > 0) { | |
1175 | retval = ext2fs_new_block(current_fs, free_blk + 1, 0, | |
1176 | &free_blk); | |
1177 | if (retval) { | |
9b9a780f | 1178 | com_err("ext2fs_new_block", retval, 0); |
e1018eea TT |
1179 | return; |
1180 | } else | |
8deb80a5 | 1181 | printf("%u ", free_blk); |
e1018eea TT |
1182 | } |
1183 | printf("\n"); | |
3839e657 TT |
1184 | } |
1185 | ||
1186 | void do_find_free_inode(int argc, char *argv[]) | |
1187 | { | |
b044c2e0 TT |
1188 | ext2_ino_t free_inode, dir; |
1189 | int mode; | |
1190 | int retval; | |
1191 | char *tmp; | |
3839e657 | 1192 | |
50e1e10f TT |
1193 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { |
1194 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
3839e657 TT |
1195 | return; |
1196 | } | |
1197 | if (check_fs_open(argv[0])) | |
1198 | return; | |
1199 | ||
1200 | if (argc > 1) { | |
1201 | dir = strtol(argv[1], &tmp, 0); | |
1202 | if (*tmp) { | |
1203 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
1204 | return; | |
1205 | } | |
1206 | } | |
1207 | else | |
1208 | dir = root; | |
1209 | if (argc > 2) { | |
1210 | mode = strtol(argv[2], &tmp, 0); | |
1211 | if (*tmp) { | |
1212 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
1213 | return; | |
1214 | } | |
50e1e10f | 1215 | } else |
3839e657 TT |
1216 | mode = 010755; |
1217 | ||
fc6d9d51 | 1218 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); |
3839e657 | 1219 | if (retval) |
9b9a780f | 1220 | com_err("ext2fs_new_inode", retval, 0); |
3839e657 | 1221 | else |
b044c2e0 | 1222 | printf("Free inode found: %u\n", free_inode); |
3839e657 TT |
1223 | } |
1224 | ||
b044c2e0 | 1225 | static errcode_t copy_file(int fd, ext2_ino_t newfile) |
50e1e10f | 1226 | { |
5a51384e | 1227 | ext2_file_t e2_file; |
50e1e10f | 1228 | errcode_t retval; |
b7846402 TT |
1229 | int got; |
1230 | unsigned int written; | |
5a51384e TT |
1231 | char buf[8192]; |
1232 | char *ptr; | |
50e1e10f | 1233 | |
5a51384e TT |
1234 | retval = ext2fs_file_open(current_fs, newfile, |
1235 | EXT2_FILE_WRITE, &e2_file); | |
50e1e10f TT |
1236 | if (retval) |
1237 | return retval; | |
50e1e10f | 1238 | |
5a51384e TT |
1239 | while (1) { |
1240 | got = read(fd, buf, sizeof(buf)); | |
1241 | if (got == 0) | |
1242 | break; | |
1243 | if (got < 0) { | |
1244 | retval = errno; | |
1245 | goto fail; | |
1246 | } | |
1247 | ptr = buf; | |
1248 | while (got > 0) { | |
1249 | retval = ext2fs_file_write(e2_file, ptr, | |
1250 | got, &written); | |
1251 | if (retval) | |
1252 | goto fail; | |
1253 | ||
1254 | got -= written; | |
1255 | ptr += written; | |
1256 | } | |
1257 | } | |
1258 | retval = ext2fs_file_close(e2_file); | |
5a51384e TT |
1259 | return retval; |
1260 | ||
1261 | fail: | |
1262 | (void) ext2fs_file_close(e2_file); | |
1263 | return retval; | |
50e1e10f TT |
1264 | } |
1265 | ||
5a51384e | 1266 | |
50e1e10f TT |
1267 | void do_write(int argc, char *argv[]) |
1268 | { | |
b044c2e0 TT |
1269 | int fd; |
1270 | struct stat statbuf; | |
1271 | ext2_ino_t newfile; | |
1272 | errcode_t retval; | |
50e1e10f TT |
1273 | struct ext2_inode inode; |
1274 | ||
e1018eea TT |
1275 | if (common_args_process(argc, argv, 3, 3, "write", |
1276 | "<native file> <new file>", CHECK_FS_RW)) | |
50e1e10f | 1277 | return; |
e1018eea | 1278 | |
50e1e10f TT |
1279 | fd = open(argv[1], O_RDONLY); |
1280 | if (fd < 0) { | |
9b9a780f | 1281 | com_err(argv[1], errno, 0); |
50e1e10f TT |
1282 | return; |
1283 | } | |
1284 | if (fstat(fd, &statbuf) < 0) { | |
9b9a780f | 1285 | com_err(argv[1], errno, 0); |
50e1e10f TT |
1286 | close(fd); |
1287 | return; | |
1288 | } | |
1289 | ||
1dd090fa TT |
1290 | retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile); |
1291 | if (retval == 0) { | |
1292 | com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]); | |
1293 | close(fd); | |
1294 | return; | |
1295 | } | |
1296 | ||
fc6d9d51 | 1297 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f | 1298 | if (retval) { |
9b9a780f | 1299 | com_err(argv[0], retval, 0); |
50e1e10f TT |
1300 | close(fd); |
1301 | return; | |
1302 | } | |
b044c2e0 | 1303 | printf("Allocated inode: %u\n", newfile); |
085cb19a TT |
1304 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, |
1305 | EXT2_FT_REG_FILE); | |
2d9f0804 TT |
1306 | if (retval == EXT2_ET_DIR_NO_SPACE) { |
1307 | retval = ext2fs_expand_dir(current_fs, cwd); | |
1308 | if (retval) { | |
1309 | com_err(argv[0], retval, "while expanding directory"); | |
1310 | return; | |
1311 | } | |
1312 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, | |
1313 | EXT2_FT_REG_FILE); | |
1314 | } | |
50e1e10f | 1315 | if (retval) { |
9b9a780f | 1316 | com_err(argv[2], retval, 0); |
50e1e10f TT |
1317 | close(fd); |
1318 | return; | |
1319 | } | |
fc6d9d51 | 1320 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1321 | com_err(argv[0], 0, "Warning: inode already set"); |
d7f64ae8 | 1322 | ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0); |
50e1e10f | 1323 | memset(&inode, 0, sizeof(inode)); |
04df4919 | 1324 | inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG; |
4efae606 TT |
1325 | inode.i_atime = inode.i_ctime = inode.i_mtime = |
1326 | current_fs->now ? current_fs->now : time(0); | |
50e1e10f TT |
1327 | inode.i_links_count = 1; |
1328 | inode.i_size = statbuf.st_size; | |
030970ed | 1329 | if (debugfs_write_new_inode(newfile, &inode, argv[0])) { |
50e1e10f TT |
1330 | close(fd); |
1331 | return; | |
1332 | } | |
1333 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1334 | retval = copy_file(fd, newfile); | |
1335 | if (retval) | |
9b9a780f | 1336 | com_err("copy_file", retval, 0); |
50e1e10f TT |
1337 | } |
1338 | close(fd); | |
1339 | } | |
1340 | ||
1341 | void do_mknod(int argc, char *argv[]) | |
1342 | { | |
54434927 | 1343 | unsigned long mode, major, minor; |
b044c2e0 TT |
1344 | ext2_ino_t newfile; |
1345 | errcode_t retval; | |
50e1e10f | 1346 | struct ext2_inode inode; |
54434927 | 1347 | int filetype, nr; |
50e1e10f TT |
1348 | |
1349 | if (check_fs_open(argv[0])) | |
1350 | return; | |
1351 | if (argc < 3 || argv[2][1]) { | |
e1018eea | 1352 | usage: |
50e1e10f TT |
1353 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); |
1354 | return; | |
1355 | } | |
1356 | mode = minor = major = 0; | |
1357 | switch (argv[2][0]) { | |
1358 | case 'p': | |
1359 | mode = LINUX_S_IFIFO; | |
085cb19a | 1360 | filetype = EXT2_FT_FIFO; |
50e1e10f TT |
1361 | nr = 3; |
1362 | break; | |
1363 | case 'c': | |
1364 | mode = LINUX_S_IFCHR; | |
085cb19a | 1365 | filetype = EXT2_FT_CHRDEV; |
50e1e10f TT |
1366 | nr = 5; |
1367 | break; | |
1368 | case 'b': | |
1369 | mode = LINUX_S_IFBLK; | |
085cb19a | 1370 | filetype = EXT2_FT_BLKDEV; |
50e1e10f TT |
1371 | nr = 5; |
1372 | break; | |
1373 | default: | |
085cb19a | 1374 | filetype = 0; |
50e1e10f TT |
1375 | nr = 0; |
1376 | } | |
1377 | if (nr == 5) { | |
1378 | major = strtoul(argv[3], argv+3, 0); | |
1379 | minor = strtoul(argv[4], argv+4, 0); | |
2d10769e | 1380 | if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0]) |
50e1e10f TT |
1381 | nr = 0; |
1382 | } | |
e1018eea TT |
1383 | if (argc != nr) |
1384 | goto usage; | |
fc6d9d51 | 1385 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1386 | return; |
fc6d9d51 | 1387 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f | 1388 | if (retval) { |
9b9a780f | 1389 | com_err(argv[0], retval, 0); |
50e1e10f TT |
1390 | return; |
1391 | } | |
b044c2e0 | 1392 | printf("Allocated inode: %u\n", newfile); |
085cb19a | 1393 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype); |
2d9f0804 TT |
1394 | if (retval == EXT2_ET_DIR_NO_SPACE) { |
1395 | retval = ext2fs_expand_dir(current_fs, cwd); | |
50e1e10f | 1396 | if (retval) { |
2d9f0804 | 1397 | com_err(argv[0], retval, "while expanding directory"); |
50e1e10f TT |
1398 | return; |
1399 | } | |
2d9f0804 TT |
1400 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, |
1401 | filetype); | |
1402 | } | |
1403 | if (retval) { | |
9b9a780f | 1404 | com_err(argv[1], retval, 0); |
2d9f0804 | 1405 | return; |
50e1e10f | 1406 | } |
fc6d9d51 | 1407 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1408 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1409 | ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile); |
1410 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1411 | memset(&inode, 0, sizeof(inode)); |
1412 | inode.i_mode = mode; | |
4efae606 TT |
1413 | inode.i_atime = inode.i_ctime = inode.i_mtime = |
1414 | current_fs->now ? current_fs->now : time(0); | |
2d10769e TT |
1415 | if ((major < 256) && (minor < 256)) { |
1416 | inode.i_block[0] = major*256+minor; | |
1417 | inode.i_block[1] = 0; | |
1418 | } else { | |
1419 | inode.i_block[0] = 0; | |
1420 | inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12); | |
1421 | } | |
50e1e10f | 1422 | inode.i_links_count = 1; |
030970ed | 1423 | if (debugfs_write_new_inode(newfile, &inode, argv[0])) |
50e1e10f | 1424 | return; |
50e1e10f TT |
1425 | } |
1426 | ||
3839e657 TT |
1427 | void do_mkdir(int argc, char *argv[]) |
1428 | { | |
1429 | char *cp; | |
b044c2e0 | 1430 | ext2_ino_t parent; |
3839e657 TT |
1431 | char *name; |
1432 | errcode_t retval; | |
1433 | ||
e1018eea TT |
1434 | if (common_args_process(argc, argv, 2, 2, "mkdir", |
1435 | "<filename>", CHECK_FS_RW)) | |
d3aea7dc TT |
1436 | return; |
1437 | ||
3839e657 TT |
1438 | cp = strrchr(argv[1], '/'); |
1439 | if (cp) { | |
1440 | *cp = 0; | |
1441 | parent = string_to_inode(argv[1]); | |
1442 | if (!parent) { | |
9b9a780f | 1443 | com_err(argv[1], ENOENT, 0); |
3839e657 TT |
1444 | return; |
1445 | } | |
1446 | name = cp+1; | |
1447 | } else { | |
1448 | parent = cwd; | |
1449 | name = argv[1]; | |
1450 | } | |
1451 | ||
2d9f0804 | 1452 | try_again: |
fc6d9d51 | 1453 | retval = ext2fs_mkdir(current_fs, parent, 0, name); |
2d9f0804 TT |
1454 | if (retval == EXT2_ET_DIR_NO_SPACE) { |
1455 | retval = ext2fs_expand_dir(current_fs, parent); | |
1456 | if (retval) { | |
1457 | com_err("argv[0]", retval, "while expanding directory"); | |
1458 | return; | |
1459 | } | |
1460 | goto try_again; | |
1461 | } | |
3839e657 | 1462 | if (retval) { |
9b9a780f | 1463 | com_err("ext2fs_mkdir", retval, 0); |
3839e657 TT |
1464 | return; |
1465 | } | |
1466 | ||
1467 | } | |
1468 | ||
50e1e10f | 1469 | static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, |
54434927 TT |
1470 | int blockcnt EXT2FS_ATTR((unused)), |
1471 | void *private EXT2FS_ATTR((unused))) | |
3839e657 | 1472 | { |
34436891 | 1473 | blk_t block; |
34436891 TT |
1474 | |
1475 | block = *blocknr; | |
e1018eea | 1476 | ext2fs_block_alloc_stats(fs, block, -1); |
3839e657 TT |
1477 | return 0; |
1478 | } | |
1479 | ||
b044c2e0 | 1480 | static void kill_file_by_inode(ext2_ino_t inode) |
3839e657 TT |
1481 | { |
1482 | struct ext2_inode inode_buf; | |
1483 | ||
e1018eea TT |
1484 | if (debugfs_read_inode(inode, &inode_buf, 0)) |
1485 | return; | |
4efae606 | 1486 | inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0); |
e1018eea TT |
1487 | if (debugfs_write_inode(inode, &inode_buf, 0)) |
1488 | return; | |
9c92d848 TT |
1489 | if (!ext2fs_inode_has_valid_blocks(&inode_buf)) |
1490 | return; | |
3839e657 | 1491 | |
fc6d9d51 TT |
1492 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
1493 | release_blocks_proc, NULL); | |
521e3685 | 1494 | printf("\n"); |
d7f64ae8 TT |
1495 | ext2fs_inode_alloc_stats2(current_fs, inode, -1, |
1496 | LINUX_S_ISDIR(inode_buf.i_mode)); | |
3839e657 TT |
1497 | } |
1498 | ||
1499 | ||
1500 | void do_kill_file(int argc, char *argv[]) | |
1501 | { | |
b044c2e0 | 1502 | ext2_ino_t inode_num; |
3839e657 | 1503 | |
e1018eea | 1504 | if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW)) |
3839e657 TT |
1505 | return; |
1506 | ||
3839e657 TT |
1507 | kill_file_by_inode(inode_num); |
1508 | } | |
1509 | ||
1510 | void do_rm(int argc, char *argv[]) | |
1511 | { | |
1512 | int retval; | |
b044c2e0 | 1513 | ext2_ino_t inode_num; |
3839e657 TT |
1514 | struct ext2_inode inode; |
1515 | ||
e1018eea TT |
1516 | if (common_args_process(argc, argv, 2, 2, "rm", |
1517 | "<filename>", CHECK_FS_RW)) | |
d3aea7dc TT |
1518 | return; |
1519 | ||
fc6d9d51 | 1520 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); |
3839e657 | 1521 | if (retval) { |
91d6d486 | 1522 | com_err(argv[0], retval, "while trying to resolve filename"); |
3839e657 TT |
1523 | return; |
1524 | } | |
1525 | ||
e1018eea | 1526 | if (debugfs_read_inode(inode_num, &inode, argv[0])) |
3839e657 | 1527 | return; |
3839e657 | 1528 | |
50e1e10f | 1529 | if (LINUX_S_ISDIR(inode.i_mode)) { |
3839e657 TT |
1530 | com_err(argv[0], 0, "file is a directory"); |
1531 | return; | |
1532 | } | |
1533 | ||
1534 | --inode.i_links_count; | |
e1018eea | 1535 | if (debugfs_write_inode(inode_num, &inode, argv[0])) |
3839e657 | 1536 | return; |
3839e657 TT |
1537 | |
1538 | unlink_file_by_name(argv[1]); | |
1539 | if (inode.i_links_count == 0) | |
1540 | kill_file_by_inode(inode_num); | |
1541 | } | |
1542 | ||
d7f64ae8 TT |
1543 | struct rd_struct { |
1544 | ext2_ino_t parent; | |
1545 | int empty; | |
1546 | }; | |
1547 | ||
54434927 TT |
1548 | static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)), |
1549 | int entry EXT2FS_ATTR((unused)), | |
d7f64ae8 | 1550 | struct ext2_dir_entry *dirent, |
54434927 TT |
1551 | int offset EXT2FS_ATTR((unused)), |
1552 | int blocksize EXT2FS_ATTR((unused)), | |
1553 | char *buf EXT2FS_ATTR((unused)), | |
d7f64ae8 TT |
1554 | void *private) |
1555 | { | |
1556 | struct rd_struct *rds = (struct rd_struct *) private; | |
1557 | ||
1558 | if (dirent->inode == 0) | |
1559 | return 0; | |
1560 | if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.')) | |
1561 | return 0; | |
1562 | if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') && | |
1563 | (dirent->name[1] == '.')) { | |
1564 | rds->parent = dirent->inode; | |
1565 | return 0; | |
1566 | } | |
1567 | rds->empty = 0; | |
1568 | return 0; | |
1569 | } | |
1570 | ||
1571 | void do_rmdir(int argc, char *argv[]) | |
1572 | { | |
1573 | int retval; | |
1574 | ext2_ino_t inode_num; | |
1575 | struct ext2_inode inode; | |
1576 | struct rd_struct rds; | |
1577 | ||
1578 | if (common_args_process(argc, argv, 2, 2, "rmdir", | |
1579 | "<filename>", CHECK_FS_RW)) | |
1580 | return; | |
1581 | ||
1582 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); | |
1583 | if (retval) { | |
1584 | com_err(argv[0], retval, "while trying to resolve filename"); | |
1585 | return; | |
1586 | } | |
1587 | ||
1588 | if (debugfs_read_inode(inode_num, &inode, argv[0])) | |
1589 | return; | |
1590 | ||
1591 | if (!LINUX_S_ISDIR(inode.i_mode)) { | |
1592 | com_err(argv[0], 0, "file is not a directory"); | |
1593 | return; | |
1594 | } | |
1595 | ||
1596 | rds.parent = 0; | |
1597 | rds.empty = 1; | |
1598 | ||
1599 | retval = ext2fs_dir_iterate2(current_fs, inode_num, 0, | |
1600 | 0, rmdir_proc, &rds); | |
1601 | if (retval) { | |
1602 | com_err(argv[0], retval, "while iterating over directory"); | |
1603 | return; | |
1604 | } | |
1605 | if (rds.empty == 0) { | |
1606 | com_err(argv[0], 0, "directory not empty"); | |
1607 | return; | |
1608 | } | |
1609 | ||
1610 | inode.i_links_count = 0; | |
1611 | if (debugfs_write_inode(inode_num, &inode, argv[0])) | |
1612 | return; | |
1613 | ||
1614 | unlink_file_by_name(argv[1]); | |
1615 | kill_file_by_inode(inode_num); | |
1616 | ||
1617 | if (rds.parent) { | |
1618 | if (debugfs_read_inode(rds.parent, &inode, argv[0])) | |
1619 | return; | |
1620 | if (inode.i_links_count > 1) | |
1621 | inode.i_links_count--; | |
1622 | if (debugfs_write_inode(rds.parent, &inode, argv[0])) | |
1623 | return; | |
1624 | } | |
1625 | } | |
1626 | ||
54434927 TT |
1627 | void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)), |
1628 | char *argv[] EXT2FS_ATTR((unused))) | |
3839e657 TT |
1629 | { |
1630 | FILE *out = stdout; | |
1631 | ||
fc6d9d51 TT |
1632 | if (current_fs) |
1633 | fprintf(out, "Open mode: read-%s\n", | |
1634 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
3839e657 | 1635 | fprintf(out, "Filesystem in use: %s\n", |
fc6d9d51 | 1636 | current_fs ? current_fs->device_name : "--none--"); |
3839e657 TT |
1637 | } |
1638 | ||
1639 | void do_expand_dir(int argc, char *argv[]) | |
1640 | { | |
b044c2e0 | 1641 | ext2_ino_t inode; |
3839e657 TT |
1642 | int retval; |
1643 | ||
e1018eea | 1644 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW)) |
3839e657 TT |
1645 | return; |
1646 | ||
fc6d9d51 | 1647 | retval = ext2fs_expand_dir(current_fs, inode); |
3839e657 | 1648 | if (retval) |
9b9a780f | 1649 | com_err("ext2fs_expand_dir", retval, 0); |
3839e657 TT |
1650 | return; |
1651 | } | |
1652 | ||
d3aea7dc TT |
1653 | void do_features(int argc, char *argv[]) |
1654 | { | |
1655 | int i; | |
1656 | ||
1657 | if (check_fs_open(argv[0])) | |
1658 | return; | |
1659 | ||
1660 | if ((argc != 1) && check_fs_read_write(argv[0])) | |
1661 | return; | |
1662 | for (i=1; i < argc; i++) { | |
1663 | if (e2p_edit_feature(argv[i], | |
06968e7e | 1664 | ¤t_fs->super->s_feature_compat, 0)) |
d3aea7dc TT |
1665 | com_err(argv[0], 0, "Unknown feature: %s\n", |
1666 | argv[i]); | |
1667 | else | |
1668 | ext2fs_mark_super_dirty(current_fs); | |
1669 | } | |
5dd8f963 | 1670 | print_features(current_fs->super, stdout); |
d3aea7dc TT |
1671 | } |
1672 | ||
b38cd283 TT |
1673 | void do_bmap(int argc, char *argv[]) |
1674 | { | |
1675 | ext2_ino_t ino; | |
1676 | blk_t blk, pblk; | |
1677 | int err; | |
1678 | errcode_t errcode; | |
1679 | ||
1680 | if (common_args_process(argc, argv, 3, 3, argv[0], | |
1681 | "<file> logical_blk", 0)) | |
1682 | return; | |
1683 | ||
1684 | ino = string_to_inode(argv[1]); | |
becf36f6 TT |
1685 | if (!ino) |
1686 | return; | |
b38cd283 TT |
1687 | blk = parse_ulong(argv[2], argv[0], "logical_block", &err); |
1688 | ||
1689 | errcode = ext2fs_bmap(current_fs, ino, 0, 0, 0, blk, &pblk); | |
1690 | if (errcode) { | |
1691 | com_err("argv[0]", errcode, | |
8deb80a5 | 1692 | "while mapping logical block %u\n", blk); |
b38cd283 TT |
1693 | return; |
1694 | } | |
8deb80a5 | 1695 | printf("%u\n", pblk); |
b38cd283 TT |
1696 | } |
1697 | ||
becf36f6 TT |
1698 | void do_imap(int argc, char *argv[]) |
1699 | { | |
1700 | ext2_ino_t ino; | |
1701 | unsigned long group, block, block_nr, offset; | |
1702 | ||
1703 | if (common_args_process(argc, argv, 2, 2, argv[0], | |
1704 | "<file>", 0)) | |
1705 | return; | |
1706 | ino = string_to_inode(argv[1]); | |
1707 | if (!ino) | |
88494bb6 | 1708 | return; |
becf36f6 TT |
1709 | |
1710 | group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super); | |
1711 | offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) * | |
1712 | EXT2_INODE_SIZE(current_fs->super); | |
1713 | block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super); | |
1714 | if (!current_fs->group_desc[(unsigned)group].bg_inode_table) { | |
54434927 | 1715 | com_err(argv[0], 0, "Inode table for group %lu is missing\n", |
becf36f6 TT |
1716 | group); |
1717 | return; | |
1718 | } | |
1719 | block_nr = current_fs->group_desc[(unsigned)group].bg_inode_table + | |
1720 | block; | |
1721 | offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1); | |
1722 | ||
48e6e813 TT |
1723 | printf("Inode %d is part of block group %lu\n" |
1724 | "\tlocated at block %lu, offset 0x%04lx\n", ino, group, | |
becf36f6 TT |
1725 | block_nr, offset); |
1726 | ||
1727 | } | |
1728 | ||
4efae606 TT |
1729 | void do_set_current_time(int argc, char *argv[]) |
1730 | { | |
4efae606 TT |
1731 | time_t now; |
1732 | ||
1733 | if (common_args_process(argc, argv, 2, 2, argv[0], | |
1734 | "<time>", 0)) | |
1735 | return; | |
becf36f6 | 1736 | |
4efae606 TT |
1737 | now = string_to_time(argv[1]); |
1738 | if (now == ((time_t) -1)) { | |
1739 | com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n", | |
1740 | argv[1]); | |
1741 | return; | |
1742 | ||
1743 | } else { | |
1744 | printf("Setting current time to %s\n", time_to_string(now)); | |
1745 | current_fs->now = now; | |
1746 | } | |
1747 | } | |
b38cd283 | 1748 | |
fc6d9d51 TT |
1749 | static int source_file(const char *cmd_file, int sci_idx) |
1750 | { | |
1751 | FILE *f; | |
1752 | char buf[256]; | |
1753 | char *cp; | |
1754 | int exit_status = 0; | |
1755 | int retval; | |
1756 | ||
1757 | if (strcmp(cmd_file, "-") == 0) | |
1758 | f = stdin; | |
1759 | else { | |
1760 | f = fopen(cmd_file, "r"); | |
1761 | if (!f) { | |
1762 | perror(cmd_file); | |
1763 | exit(1); | |
1764 | } | |
1765 | } | |
1766 | setbuf(stdout, NULL); | |
1767 | setbuf(stderr, NULL); | |
1768 | while (!feof(f)) { | |
1769 | if (fgets(buf, sizeof(buf), f) == NULL) | |
1770 | break; | |
1771 | cp = strchr(buf, '\n'); | |
1772 | if (cp) | |
1773 | *cp = 0; | |
1774 | cp = strchr(buf, '\r'); | |
1775 | if (cp) | |
1776 | *cp = 0; | |
1777 | printf("debugfs: %s\n", buf); | |
1778 | retval = ss_execute_line(sci_idx, buf); | |
1779 | if (retval) { | |
1780 | ss_perror(sci_idx, retval, buf); | |
1781 | exit_status++; | |
1782 | } | |
1783 | } | |
1784 | return exit_status; | |
1785 | } | |
1786 | ||
a8859cad | 1787 | int main(int argc, char **argv) |
3839e657 | 1788 | { |
50e1e10f TT |
1789 | int retval; |
1790 | int sci_idx; | |
2e8d40d5 | 1791 | const char *usage = "Usage: debugfs [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]"; |
f1304811 | 1792 | int c; |
50e1e10f | 1793 | int open_flags = 0; |
fc6d9d51 TT |
1794 | char *request = 0; |
1795 | int exit_status = 0; | |
1796 | char *cmd_file = 0; | |
2e8d40d5 TT |
1797 | blk_t superblock = 0; |
1798 | blk_t blocksize = 0; | |
1799 | int catastrophic = 0; | |
1ad54a94 | 1800 | char *data_filename = 0; |
3839e657 TT |
1801 | |
1802 | initialize_ext2_error_table(); | |
0f8973fb TT |
1803 | fprintf (stderr, "debugfs %s (%s)\n", E2FSPROGS_VERSION, |
1804 | E2FSPROGS_DATE); | |
3839e657 | 1805 | |
1ad54a94 | 1806 | while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:")) != EOF) { |
3839e657 | 1807 | switch (c) { |
fc6d9d51 TT |
1808 | case 'R': |
1809 | request = optarg; | |
1810 | break; | |
1811 | case 'f': | |
1812 | cmd_file = optarg; | |
1813 | break; | |
1ad54a94 TT |
1814 | case 'd': |
1815 | data_filename = optarg; | |
1816 | break; | |
59cf7e0d TT |
1817 | case 'i': |
1818 | open_flags |= EXT2_FLAG_IMAGE_FILE; | |
1819 | break; | |
3839e657 | 1820 | case 'w': |
59cf7e0d | 1821 | open_flags |= EXT2_FLAG_RW; |
3839e657 | 1822 | break; |
2e8d40d5 | 1823 | case 'b': |
b38cd283 | 1824 | blocksize = parse_ulong(optarg, argv[0], |
e1018eea | 1825 | "block size", 0); |
2e8d40d5 TT |
1826 | break; |
1827 | case 's': | |
b38cd283 | 1828 | superblock = parse_ulong(optarg, argv[0], |
e1018eea | 1829 | "superblock number", 0); |
2e8d40d5 TT |
1830 | break; |
1831 | case 'c': | |
1832 | catastrophic = 1; | |
1833 | break; | |
818180cd TT |
1834 | case 'V': |
1835 | /* Print version number and exit */ | |
1836 | fprintf(stderr, "\tUsing %s\n", | |
1837 | error_message(EXT2_ET_BASE)); | |
1838 | exit(0); | |
3839e657 TT |
1839 | default: |
1840 | com_err(argv[0], 0, usage); | |
b4ac9cc3 | 1841 | return 1; |
3839e657 TT |
1842 | } |
1843 | } | |
1844 | if (optind < argc) | |
2e8d40d5 | 1845 | open_filesystem(argv[optind], open_flags, |
1ad54a94 TT |
1846 | superblock, blocksize, catastrophic, |
1847 | data_filename); | |
3839e657 TT |
1848 | |
1849 | sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL, | |
1850 | &debug_cmds, &retval); | |
1851 | if (retval) { | |
1852 | ss_perror(sci_idx, retval, "creating invocation"); | |
1853 | exit(1); | |
1854 | } | |
3ae497ea | 1855 | ss_get_readline(sci_idx); |
3839e657 TT |
1856 | |
1857 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
1858 | if (retval) { | |
1859 | ss_perror(sci_idx, retval, "adding standard requests"); | |
1860 | exit (1); | |
1861 | } | |
fc6d9d51 TT |
1862 | if (request) { |
1863 | retval = 0; | |
1864 | retval = ss_execute_line(sci_idx, request); | |
1865 | if (retval) { | |
1866 | ss_perror(sci_idx, retval, request); | |
1867 | exit_status++; | |
1868 | } | |
1869 | } else if (cmd_file) { | |
1870 | exit_status = source_file(cmd_file, sci_idx); | |
1871 | } else { | |
1872 | ss_listen(sci_idx); | |
1873 | } | |
3839e657 | 1874 | |
fc6d9d51 | 1875 | if (current_fs) |
3839e657 TT |
1876 | close_filesystem(); |
1877 | ||
e597304a | 1878 | return exit_status; |
3839e657 | 1879 | } |