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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 | 40 | extern ss_request_table debug_cmds; |
49ce6cb5 TT |
41 | ss_request_table *extra_cmds; |
42 | char *debug_prog_name; | |
3839e657 | 43 | |
b044c2e0 TT |
44 | ext2_filsys current_fs = NULL; |
45 | ext2_ino_t root, cwd; | |
3839e657 | 46 | |
2e8d40d5 | 47 | static void open_filesystem(char *device, int open_flags, blk_t superblock, |
1ad54a94 TT |
48 | blk_t blocksize, int catastrophic, |
49 | char *data_filename) | |
3839e657 TT |
50 | { |
51 | int retval; | |
1ad54a94 | 52 | io_channel data_io = 0; |
2e8d40d5 TT |
53 | |
54 | if (superblock != 0 && blocksize == 0) { | |
55 | com_err(device, 0, "if you specify the superblock, you must also specify the block size"); | |
56 | current_fs = NULL; | |
57 | return; | |
58 | } | |
59 | ||
1ad54a94 TT |
60 | if (data_filename) { |
61 | if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) { | |
62 | com_err(device, 0, | |
63 | "The -d option is only valid when reading an e2image file"); | |
64 | current_fs = NULL; | |
65 | return; | |
66 | } | |
67 | retval = unix_io_manager->open(data_filename, 0, &data_io); | |
68 | if (retval) { | |
69 | com_err(data_filename, 0, "while opening data source"); | |
70 | current_fs = NULL; | |
71 | return; | |
72 | } | |
73 | } | |
74 | ||
2e8d40d5 TT |
75 | if (catastrophic && (open_flags & EXT2_FLAG_RW)) { |
76 | com_err(device, 0, | |
77 | "opening read-only because of catastrophic mode"); | |
78 | open_flags &= ~EXT2_FLAG_RW; | |
79 | } | |
3839e657 | 80 | |
2e8d40d5 | 81 | retval = ext2fs_open(device, open_flags, superblock, blocksize, |
fc6d9d51 | 82 | unix_io_manager, ¤t_fs); |
3839e657 TT |
83 | if (retval) { |
84 | com_err(device, retval, "while opening filesystem"); | |
fc6d9d51 | 85 | current_fs = NULL; |
3839e657 TT |
86 | return; |
87 | } | |
2e8d40d5 TT |
88 | |
89 | if (catastrophic) | |
90 | com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps"); | |
91 | else { | |
92 | retval = ext2fs_read_inode_bitmap(current_fs); | |
93 | if (retval) { | |
94 | com_err(device, retval, "while reading inode bitmap"); | |
95 | goto errout; | |
96 | } | |
97 | retval = ext2fs_read_block_bitmap(current_fs); | |
98 | if (retval) { | |
99 | com_err(device, retval, "while reading block bitmap"); | |
100 | goto errout; | |
101 | } | |
3839e657 | 102 | } |
1ad54a94 TT |
103 | |
104 | if (data_io) { | |
105 | retval = ext2fs_set_data_io(current_fs, data_io); | |
106 | if (retval) { | |
107 | com_err(device, retval, | |
108 | "while setting data source"); | |
109 | goto errout; | |
110 | } | |
111 | } | |
112 | ||
3839e657 TT |
113 | root = cwd = EXT2_ROOT_INO; |
114 | return; | |
115 | ||
116 | errout: | |
fc6d9d51 | 117 | retval = ext2fs_close(current_fs); |
3839e657 TT |
118 | if (retval) |
119 | com_err(device, retval, "while trying to close filesystem"); | |
fc6d9d51 | 120 | current_fs = NULL; |
3839e657 TT |
121 | } |
122 | ||
123 | void do_open_filesys(int argc, char **argv) | |
124 | { | |
e1018eea | 125 | int c, err; |
2e8d40d5 TT |
126 | int catastrophic = 0; |
127 | blk_t superblock = 0; | |
128 | blk_t blocksize = 0; | |
cf8272e1 | 129 | int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES; |
b0d17e0d | 130 | char *data_filename = 0; |
3839e657 | 131 | |
88494bb6 | 132 | reset_getopt(); |
98eb44bd | 133 | while ((c = getopt (argc, argv, "iwfecb:s:d:")) != EOF) { |
3839e657 | 134 | switch (c) { |
59cf7e0d TT |
135 | case 'i': |
136 | open_flags |= EXT2_FLAG_IMAGE_FILE; | |
137 | break; | |
3839e657 | 138 | case 'w': |
d3aea7dc TT |
139 | open_flags |= EXT2_FLAG_RW; |
140 | break; | |
141 | case 'f': | |
142 | open_flags |= EXT2_FLAG_FORCE; | |
3839e657 | 143 | break; |
98eb44bd TT |
144 | case 'e': |
145 | open_flags |= EXT2_FLAG_EXCLUSIVE; | |
146 | break; | |
2e8d40d5 TT |
147 | case 'c': |
148 | catastrophic = 1; | |
149 | break; | |
1ad54a94 TT |
150 | case 'd': |
151 | data_filename = optarg; | |
152 | break; | |
2e8d40d5 | 153 | case 'b': |
e1018eea TT |
154 | blocksize = parse_ulong(optarg, argv[0], |
155 | "block size", &err); | |
156 | if (err) | |
2e8d40d5 | 157 | return; |
2e8d40d5 TT |
158 | break; |
159 | case 's': | |
e1018eea TT |
160 | superblock = parse_ulong(optarg, argv[0], |
161 | "superblock number", &err); | |
162 | if (err) | |
2e8d40d5 | 163 | return; |
2e8d40d5 | 164 | break; |
3839e657 | 165 | default: |
9b9a780f | 166 | goto print_usage; |
3839e657 TT |
167 | } |
168 | } | |
169 | if (optind != argc-1) { | |
9b9a780f | 170 | goto print_usage; |
3839e657 TT |
171 | } |
172 | if (check_fs_not_open(argv[0])) | |
173 | return; | |
2e8d40d5 | 174 | open_filesystem(argv[optind], open_flags, |
1ad54a94 TT |
175 | superblock, blocksize, catastrophic, |
176 | data_filename); | |
9b9a780f TT |
177 | return; |
178 | ||
179 | print_usage: | |
180 | fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] " | |
181 | "[-c] [-w] <device>\n", argv[0]); | |
2e8d40d5 TT |
182 | } |
183 | ||
184 | void do_lcd(int argc, char **argv) | |
185 | { | |
57a1cbb6 TT |
186 | if (argc != 2) { |
187 | com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>"); | |
2e8d40d5 | 188 | return; |
57a1cbb6 | 189 | } |
2e8d40d5 TT |
190 | |
191 | if (chdir(argv[1]) == -1) { | |
192 | com_err(argv[0], errno, | |
193 | "while trying to change native directory to %s", | |
194 | argv[1]); | |
195 | return; | |
196 | } | |
3839e657 TT |
197 | } |
198 | ||
50e1e10f | 199 | static void close_filesystem(NOARGS) |
3839e657 TT |
200 | { |
201 | int retval; | |
202 | ||
fc6d9d51 TT |
203 | if (current_fs->flags & EXT2_FLAG_IB_DIRTY) { |
204 | retval = ext2fs_write_inode_bitmap(current_fs); | |
3839e657 | 205 | if (retval) |
9b9a780f | 206 | com_err("ext2fs_write_inode_bitmap", retval, 0); |
3839e657 | 207 | } |
fc6d9d51 TT |
208 | if (current_fs->flags & EXT2_FLAG_BB_DIRTY) { |
209 | retval = ext2fs_write_block_bitmap(current_fs); | |
3839e657 | 210 | if (retval) |
9b9a780f | 211 | com_err("ext2fs_write_block_bitmap", retval, 0); |
3839e657 | 212 | } |
fc6d9d51 | 213 | retval = ext2fs_close(current_fs); |
3839e657 | 214 | if (retval) |
9b9a780f | 215 | com_err("ext2fs_close", retval, 0); |
fc6d9d51 | 216 | current_fs = NULL; |
3839e657 TT |
217 | return; |
218 | } | |
219 | ||
220 | void do_close_filesys(int argc, char **argv) | |
221 | { | |
e1018eea | 222 | if (common_args_process(argc, argv, 1, 1, "close_filesys", "", 0)) |
3839e657 TT |
223 | return; |
224 | close_filesystem(); | |
225 | } | |
226 | ||
227 | void do_init_filesys(int argc, char **argv) | |
228 | { | |
3839e657 TT |
229 | struct ext2_super_block param; |
230 | errcode_t retval; | |
e1018eea | 231 | int err; |
3839e657 | 232 | |
e1018eea TT |
233 | if (common_args_process(argc, argv, 3, 3, "initialize", |
234 | "<device> <blocksize>", CHECK_FS_NOTOPEN)) | |
3839e657 TT |
235 | return; |
236 | ||
237 | memset(¶m, 0, sizeof(struct ext2_super_block)); | |
b38cd283 | 238 | param.s_blocks_count = parse_ulong(argv[2], argv[0], |
e1018eea TT |
239 | "blocks count", &err); |
240 | if (err) | |
3839e657 | 241 | return; |
fc6d9d51 TT |
242 | retval = ext2fs_initialize(argv[1], 0, ¶m, |
243 | unix_io_manager, ¤t_fs); | |
3839e657 TT |
244 | if (retval) { |
245 | com_err(argv[1], retval, "while initializing filesystem"); | |
fc6d9d51 | 246 | current_fs = NULL; |
3839e657 TT |
247 | return; |
248 | } | |
249 | root = cwd = EXT2_ROOT_INO; | |
250 | return; | |
251 | } | |
252 | ||
5dd8f963 | 253 | static void print_features(struct ext2_super_block * s, FILE *f) |
d3aea7dc | 254 | { |
d3aea7dc | 255 | int i, j, printed=0; |
092c3dec | 256 | __u32 *mask = &s->s_feature_compat, m; |
d3aea7dc | 257 | |
777ebb3e | 258 | fputs("Filesystem features:", f); |
d3aea7dc TT |
259 | for (i=0; i <3; i++,mask++) { |
260 | for (j=0,m=1; j < 32; j++, m<<=1) { | |
261 | if (*mask & m) { | |
262 | fprintf(f, " %s", e2p_feature2string(i, m)); | |
263 | printed++; | |
264 | } | |
265 | } | |
266 | } | |
267 | if (printed == 0) | |
777ebb3e TT |
268 | fputs("(none)", f); |
269 | fputs("\n", f); | |
d3aea7dc TT |
270 | } |
271 | ||
f5fa2007 TT |
272 | static void print_bg_opts(struct ext2_group_desc *gdp, int mask, |
273 | const char *str, int *first, FILE *f) | |
274 | { | |
275 | if (gdp->bg_flags & mask) { | |
276 | if (*first) { | |
277 | fputs(" [", f); | |
278 | *first = 0; | |
279 | } else | |
280 | fputs(", ", f); | |
281 | fputs(str, f); | |
282 | } | |
283 | } | |
284 | ||
3839e657 TT |
285 | void do_show_super_stats(int argc, char *argv[]) |
286 | { | |
54434927 | 287 | dgrp_t i; |
3839e657 | 288 | FILE *out; |
fc6d9d51 | 289 | struct ext2_group_desc *gdp; |
d3aea7dc | 290 | int c, header_only = 0; |
f5fa2007 | 291 | int numdirs = 0, first; |
3839e657 | 292 | |
88494bb6 | 293 | reset_getopt(); |
d3aea7dc TT |
294 | while ((c = getopt (argc, argv, "h")) != EOF) { |
295 | switch (c) { | |
296 | case 'h': | |
297 | header_only++; | |
298 | break; | |
299 | default: | |
9b9a780f | 300 | goto print_usage; |
d3aea7dc TT |
301 | } |
302 | } | |
303 | if (optind != argc) { | |
9b9a780f | 304 | goto print_usage; |
3839e657 TT |
305 | } |
306 | if (check_fs_open(argv[0])) | |
307 | return; | |
308 | out = open_pager(); | |
bd09eff9 TT |
309 | |
310 | list_super2(current_fs->super, out); | |
34be9609 TT |
311 | for (i=0; i < current_fs->group_desc_count; i++) |
312 | numdirs += current_fs->group_desc[i].bg_used_dirs_count; | |
313 | fprintf(out, "Directories: %d\n", numdirs); | |
314 | ||
d3aea7dc TT |
315 | if (header_only) { |
316 | close_pager(out); | |
317 | return; | |
318 | } | |
fc6d9d51 TT |
319 | |
320 | gdp = ¤t_fs->group_desc[0]; | |
f5fa2007 | 321 | for (i = 0; i < current_fs->group_desc_count; i++, gdp++) { |
8deb80a5 TS |
322 | fprintf(out, " Group %2d: block bitmap at %u, " |
323 | "inode bitmap at %u, " | |
324 | "inode table at %u\n" | |
b74d1d89 TT |
325 | " %d free %s, " |
326 | "%d free %s, " | |
327 | "%d used %s\n", | |
fc6d9d51 TT |
328 | i, gdp->bg_block_bitmap, |
329 | gdp->bg_inode_bitmap, gdp->bg_inode_table, | |
330 | gdp->bg_free_blocks_count, | |
b74d1d89 | 331 | gdp->bg_free_blocks_count != 1 ? "blocks" : "block", |
fc6d9d51 | 332 | gdp->bg_free_inodes_count, |
b74d1d89 | 333 | gdp->bg_free_inodes_count != 1 ? "inodes" : "inode", |
fc6d9d51 | 334 | gdp->bg_used_dirs_count, |
b74d1d89 TT |
335 | gdp->bg_used_dirs_count != 1 ? "directories" |
336 | : "directory"); | |
f5fa2007 TT |
337 | first = 1; |
338 | print_bg_opts(gdp, EXT2_BG_INODE_UNINIT, "Inode not init", | |
339 | &first, out); | |
340 | print_bg_opts(gdp, EXT2_BG_BLOCK_UNINIT, "Block not init", | |
341 | &first, out); | |
342 | if (!first) | |
343 | fputs("]\n", out); | |
344 | } | |
3839e657 | 345 | close_pager(out); |
9b9a780f TT |
346 | return; |
347 | print_usage: | |
348 | fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]); | |
3839e657 TT |
349 | } |
350 | ||
54434927 TT |
351 | void do_dirty_filesys(int argc EXT2FS_ATTR((unused)), |
352 | char **argv EXT2FS_ATTR((unused))) | |
21c84b71 TT |
353 | { |
354 | if (check_fs_open(argv[0])) | |
355 | return; | |
601002bd TT |
356 | if (check_fs_read_write(argv[0])) |
357 | return; | |
358 | ||
359 | if (argv[1] && !strcmp(argv[1], "-clean")) | |
360 | current_fs->super->s_state |= EXT2_VALID_FS; | |
361 | else | |
362 | current_fs->super->s_state &= ~EXT2_VALID_FS; | |
21c84b71 TT |
363 | ext2fs_mark_super_dirty(current_fs); |
364 | } | |
365 | ||
3839e657 | 366 | struct list_blocks_struct { |
89e25cfd AD |
367 | FILE *f; |
368 | e2_blkcnt_t total; | |
369 | blk_t first_block, last_block; | |
370 | e2_blkcnt_t first_bcnt, last_bcnt; | |
371 | e2_blkcnt_t first; | |
3839e657 TT |
372 | }; |
373 | ||
0a3db93a TT |
374 | static void finish_range(struct list_blocks_struct *lb) |
375 | { | |
376 | if (lb->first_block == 0) | |
377 | return; | |
378 | if (lb->first) | |
379 | lb->first = 0; | |
380 | else | |
80bfaa3e | 381 | fprintf(lb->f, ", "); |
0a3db93a | 382 | if (lb->first_block == lb->last_block) |
de8f3a76 AD |
383 | fprintf(lb->f, "(%lld):%u", |
384 | (long long)lb->first_bcnt, lb->first_block); | |
0a3db93a | 385 | else |
de8f3a76 AD |
386 | fprintf(lb->f, "(%lld-%lld):%u-%u", |
387 | (long long)lb->first_bcnt, (long long)lb->last_bcnt, | |
388 | lb->first_block, lb->last_block); | |
0a3db93a TT |
389 | lb->first_block = 0; |
390 | } | |
391 | ||
54434927 TT |
392 | static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)), |
393 | blk_t *blocknr, e2_blkcnt_t blockcnt, | |
394 | blk_t ref_block EXT2FS_ATTR((unused)), | |
395 | int ref_offset EXT2FS_ATTR((unused)), | |
396 | void *private) | |
3839e657 TT |
397 | { |
398 | struct list_blocks_struct *lb = (struct list_blocks_struct *) private; | |
399 | ||
0a3db93a TT |
400 | lb->total++; |
401 | if (blockcnt >= 0) { | |
402 | /* | |
403 | * See if we can add on to the existing range (if it exists) | |
404 | */ | |
405 | if (lb->first_block && | |
406 | (lb->last_block+1 == *blocknr) && | |
407 | (lb->last_bcnt+1 == blockcnt)) { | |
408 | lb->last_block = *blocknr; | |
409 | lb->last_bcnt = blockcnt; | |
410 | return 0; | |
411 | } | |
412 | /* | |
413 | * Start a new range. | |
414 | */ | |
415 | finish_range(lb); | |
416 | lb->first_block = lb->last_block = *blocknr; | |
417 | lb->first_bcnt = lb->last_bcnt = blockcnt; | |
418 | return 0; | |
419 | } | |
420 | /* | |
421 | * Not a normal block. Always force a new range. | |
422 | */ | |
423 | finish_range(lb); | |
424 | if (lb->first) | |
425 | lb->first = 0; | |
426 | else | |
2c4a5406 | 427 | fprintf(lb->f, ", "); |
a5eef73b | 428 | if (blockcnt == -1) |
8deb80a5 | 429 | fprintf(lb->f, "(IND):%u", *blocknr); |
a5eef73b | 430 | else if (blockcnt == -2) |
8deb80a5 | 431 | fprintf(lb->f, "(DIND):%u", *blocknr); |
a5eef73b | 432 | else if (blockcnt == -3) |
8deb80a5 | 433 | fprintf(lb->f, "(TIND):%u", *blocknr); |
3839e657 TT |
434 | return 0; |
435 | } | |
436 | ||
9b9a780f | 437 | static void dump_xattr_string(FILE *out, const char *str, int len) |
ea822eeb | 438 | { |
290ac0e3 | 439 | int printable = 0; |
ea822eeb TT |
440 | int i; |
441 | ||
290ac0e3 | 442 | /* check: is string "printable enough?" */ |
ea822eeb | 443 | for (i = 0; i < len; i++) |
290ac0e3 ES |
444 | if (isprint(str[i])) |
445 | printable++; | |
446 | ||
447 | if (printable <= len*7/8) | |
448 | printable = 0; | |
ea822eeb TT |
449 | |
450 | for (i = 0; i < len; i++) | |
451 | if (printable) | |
290ac0e3 ES |
452 | fprintf(out, isprint(str[i]) ? "%c" : "\\%03o", |
453 | (unsigned char)str[i]); | |
ea822eeb | 454 | else |
d047e073 | 455 | fprintf(out, "%02x ", (unsigned char)str[i]); |
ea822eeb TT |
456 | } |
457 | ||
de8f3a76 AD |
458 | static void internal_dump_inode_extra(FILE *out, |
459 | const char *prefix EXT2FS_ATTR((unused)), | |
460 | ext2_ino_t inode_num EXT2FS_ATTR((unused)), | |
9b9a780f | 461 | struct ext2_inode_large *inode) |
ea822eeb TT |
462 | { |
463 | struct ext2_ext_attr_entry *entry; | |
464 | __u32 *magic; | |
465 | char *start, *end; | |
9b9a780f | 466 | unsigned int storage_size; |
ea822eeb | 467 | |
8deb80a5 | 468 | fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize); |
ea822eeb TT |
469 | if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) - |
470 | EXT2_GOOD_OLD_INODE_SIZE) { | |
471 | fprintf(stderr, "invalid inode->i_extra_isize (%u)\n", | |
472 | inode->i_extra_isize); | |
473 | return; | |
474 | } | |
475 | storage_size = EXT2_INODE_SIZE(current_fs->super) - | |
476 | EXT2_GOOD_OLD_INODE_SIZE - | |
477 | inode->i_extra_isize; | |
478 | magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE + | |
479 | inode->i_extra_isize); | |
480 | if (*magic == EXT2_EXT_ATTR_MAGIC) { | |
481 | fprintf(out, "Extended attributes stored in inode body: \n"); | |
482 | end = (char *) inode + EXT2_INODE_SIZE(current_fs->super); | |
483 | start = (char *) magic + sizeof(__u32); | |
484 | entry = (struct ext2_ext_attr_entry *) start; | |
485 | while (!EXT2_EXT_IS_LAST_ENTRY(entry)) { | |
486 | struct ext2_ext_attr_entry *next = | |
487 | EXT2_EXT_ATTR_NEXT(entry); | |
488 | if (entry->e_value_size > storage_size || | |
489 | (char *) next >= end) { | |
490 | fprintf(out, "invalid EA entry in inode\n"); | |
491 | return; | |
492 | } | |
493 | fprintf(out, " "); | |
494 | dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry), | |
495 | entry->e_name_len); | |
496 | fprintf(out, " = \""); | |
497 | dump_xattr_string(out, start + entry->e_value_offs, | |
498 | entry->e_value_size); | |
8deb80a5 | 499 | fprintf(out, "\" (%u)\n", entry->e_value_size); |
ea822eeb TT |
500 | entry = next; |
501 | } | |
502 | } | |
503 | } | |
3839e657 | 504 | |
5e4f0709 | 505 | static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode) |
3839e657 TT |
506 | { |
507 | struct list_blocks_struct lb; | |
508 | ||
da81e3fc | 509 | fprintf(f, "%sBLOCKS:\n%s", prefix, prefix); |
3839e657 | 510 | lb.total = 0; |
0a3db93a | 511 | lb.first_block = 0; |
3839e657 | 512 | lb.f = f; |
0a3db93a | 513 | lb.first = 1; |
43323be9 | 514 | ext2fs_block_iterate2(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL, |
fc6d9d51 | 515 | list_blocks_proc, (void *)&lb); |
0a3db93a | 516 | finish_range(&lb); |
3839e657 | 517 | if (lb.total) |
de8f3a76 | 518 | fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total); |
3839e657 TT |
519 | fprintf(f,"\n"); |
520 | } | |
521 | ||
522 | ||
5e4f0709 | 523 | void internal_dump_inode(FILE *out, const char *prefix, |
da81e3fc TT |
524 | ext2_ino_t inode_num, struct ext2_inode *inode, |
525 | int do_dump_blocks) | |
3839e657 | 526 | { |
50e1e10f | 527 | const char *i_type; |
fc6d9d51 TT |
528 | char frag, fsize; |
529 | int os = current_fs->super->s_creator_os; | |
3839e657 | 530 | |
da81e3fc TT |
531 | if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory"; |
532 | else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular"; | |
533 | else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink"; | |
534 | else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special"; | |
535 | else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special"; | |
536 | else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO"; | |
537 | else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket"; | |
3839e657 | 538 | else i_type = "bad type"; |
da81e3fc TT |
539 | fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type); |
540 | fprintf(out, "%sMode: %04o Flags: 0x%x Generation: %u\n", | |
541 | prefix, | |
542 | inode->i_mode & 0777, inode->i_flags, inode->i_generation); | |
543 | fprintf(out, "%sUser: %5d Group: %5d Size: ", | |
5113a6e3 | 544 | prefix, inode_uid(*inode), inode_gid(*inode)); |
1a6bb627 | 545 | if (LINUX_S_ISREG(inode->i_mode)) { |
de8f3a76 AD |
546 | unsigned long long i_size = (inode->i_size | |
547 | ((unsigned long long)inode->i_size_high << 32)); | |
1a6bb627 | 548 | |
de8f3a76 | 549 | fprintf(out, "%llu\n", i_size); |
1a6bb627 AD |
550 | } else |
551 | fprintf(out, "%d\n", inode->i_size); | |
5d17119d | 552 | if (os == EXT2_OS_HURD) |
62c06f79 | 553 | fprintf(out, |
da81e3fc TT |
554 | "%sFile ACL: %d Directory ACL: %d Translator: %d\n", |
555 | prefix, | |
556 | inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0, | |
557 | inode->osd1.hurd1.h_i_translator); | |
62c06f79 | 558 | else |
da81e3fc TT |
559 | fprintf(out, "%sFile ACL: %d Directory ACL: %d\n", |
560 | prefix, | |
561 | inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0); | |
5d17119d TT |
562 | if (os == EXT2_OS_LINUX) |
563 | fprintf(out, "%sLinks: %d Blockcount: %llu\n", | |
564 | prefix, inode->i_links_count, | |
565 | (((unsigned long long) | |
566 | inode->osd2.linux2.l_i_blocks_hi << 32)) + | |
567 | inode->i_blocks); | |
568 | else | |
569 | fprintf(out, "%sLinks: %d Blockcount: %u\n", | |
570 | prefix, inode->i_links_count, inode->i_blocks); | |
fc6d9d51 | 571 | switch (os) { |
fc6d9d51 | 572 | case EXT2_OS_HURD: |
da81e3fc TT |
573 | frag = inode->osd2.hurd2.h_i_frag; |
574 | fsize = inode->osd2.hurd2.h_i_fsize; | |
fc6d9d51 | 575 | break; |
fc6d9d51 TT |
576 | default: |
577 | frag = fsize = 0; | |
578 | } | |
da81e3fc TT |
579 | fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n", |
580 | prefix, inode->i_faddr, frag, fsize); | |
581 | fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime, | |
582 | time_to_string(inode->i_ctime)); | |
583 | fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime, | |
584 | time_to_string(inode->i_atime)); | |
585 | fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime, | |
586 | time_to_string(inode->i_mtime)); | |
587 | if (inode->i_dtime) | |
588 | fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime, | |
589 | time_to_string(inode->i_dtime)); | |
ea822eeb TT |
590 | if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE) |
591 | internal_dump_inode_extra(out, prefix, inode_num, | |
592 | (struct ext2_inode_large *) inode); | |
795afc44 | 593 | if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0) |
da81e3fc TT |
594 | fprintf(out, "%sFast_link_dest: %.*s\n", prefix, |
595 | (int) inode->i_size, (char *)inode->i_block); | |
2d10769e TT |
596 | else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) { |
597 | int major, minor; | |
598 | const char *devnote; | |
599 | ||
600 | if (inode->i_block[0]) { | |
601 | major = (inode->i_block[0] >> 8) & 255; | |
602 | minor = inode->i_block[0] & 255; | |
603 | devnote = ""; | |
604 | } else { | |
605 | major = (inode->i_block[1] & 0xfff00) >> 8; | |
606 | minor = ((inode->i_block[1] & 0xff) | | |
607 | ((inode->i_block[1] >> 12) & 0xfff00)); | |
608 | devnote = "(New-style) "; | |
609 | } | |
610 | fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n", | |
611 | devnote, major, minor, major, minor); | |
612 | } | |
da81e3fc TT |
613 | else if (do_dump_blocks) |
614 | dump_blocks(out, prefix, inode_num); | |
615 | } | |
616 | ||
ea822eeb | 617 | static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode) |
da81e3fc TT |
618 | { |
619 | FILE *out; | |
620 | ||
621 | out = open_pager(); | |
ea822eeb | 622 | internal_dump_inode(out, "", inode_num, inode, 1); |
3839e657 TT |
623 | close_pager(out); |
624 | } | |
625 | ||
3839e657 TT |
626 | void do_stat(int argc, char *argv[]) |
627 | { | |
b044c2e0 | 628 | ext2_ino_t inode; |
ea822eeb | 629 | struct ext2_inode * inode_buf; |
3839e657 | 630 | |
64777391 | 631 | if (check_fs_open(argv[0])) |
8363e357 | 632 | return; |
64777391 | 633 | |
ea822eeb TT |
634 | inode_buf = (struct ext2_inode *) |
635 | malloc(EXT2_INODE_SIZE(current_fs->super)); | |
636 | if (!inode_buf) { | |
637 | fprintf(stderr, "do_stat: can't allocate buffer\n"); | |
3839e657 | 638 | return; |
ea822eeb | 639 | } |
3839e657 | 640 | |
ea822eeb TT |
641 | if (common_inode_args_process(argc, argv, &inode, 0)) { |
642 | free(inode_buf); | |
643 | return; | |
644 | } | |
645 | ||
646 | if (debugfs_read_inode_full(inode, inode_buf, argv[0], | |
647 | EXT2_INODE_SIZE(current_fs->super))) { | |
648 | free(inode_buf); | |
e1018eea | 649 | return; |
ea822eeb | 650 | } |
3839e657 | 651 | |
ea822eeb TT |
652 | dump_inode(inode, inode_buf); |
653 | free(inode_buf); | |
3839e657 TT |
654 | return; |
655 | } | |
656 | ||
657 | void do_chroot(int argc, char *argv[]) | |
658 | { | |
b044c2e0 | 659 | ext2_ino_t inode; |
3839e657 TT |
660 | int retval; |
661 | ||
e1018eea | 662 | if (common_inode_args_process(argc, argv, &inode, 0)) |
3839e657 TT |
663 | return; |
664 | ||
fc6d9d51 | 665 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 | 666 | if (retval) { |
9b9a780f | 667 | com_err(argv[1], retval, 0); |
3839e657 TT |
668 | return; |
669 | } | |
670 | root = inode; | |
671 | } | |
672 | ||
673 | void do_clri(int argc, char *argv[]) | |
674 | { | |
b044c2e0 | 675 | ext2_ino_t inode; |
3839e657 TT |
676 | struct ext2_inode inode_buf; |
677 | ||
e1018eea | 678 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW)) |
3839e657 TT |
679 | return; |
680 | ||
e1018eea | 681 | if (debugfs_read_inode(inode, &inode_buf, argv[0])) |
3839e657 | 682 | return; |
3839e657 | 683 | memset(&inode_buf, 0, sizeof(inode_buf)); |
e1018eea | 684 | if (debugfs_write_inode(inode, &inode_buf, argv[0])) |
3839e657 | 685 | return; |
3839e657 TT |
686 | } |
687 | ||
688 | void do_freei(int argc, char *argv[]) | |
689 | { | |
b044c2e0 | 690 | ext2_ino_t inode; |
3839e657 | 691 | |
e1018eea TT |
692 | if (common_inode_args_process(argc, argv, &inode, |
693 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
3839e657 TT |
694 | return; |
695 | ||
fc6d9d51 | 696 | if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 697 | com_err(argv[0], 0, "Warning: inode already clear"); |
fc6d9d51 TT |
698 | ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode); |
699 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
700 | } |
701 | ||
702 | void do_seti(int argc, char *argv[]) | |
703 | { | |
b044c2e0 | 704 | ext2_ino_t inode; |
3839e657 | 705 | |
e1018eea TT |
706 | if (common_inode_args_process(argc, argv, &inode, |
707 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
3839e657 TT |
708 | return; |
709 | ||
fc6d9d51 | 710 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 711 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
712 | ext2fs_mark_inode_bitmap(current_fs->inode_map,inode); |
713 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
714 | } |
715 | ||
716 | void do_testi(int argc, char *argv[]) | |
717 | { | |
b044c2e0 | 718 | ext2_ino_t inode; |
3839e657 | 719 | |
e1018eea | 720 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS)) |
3839e657 TT |
721 | return; |
722 | ||
fc6d9d51 | 723 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
b044c2e0 | 724 | printf("Inode %u is marked in use\n", inode); |
3839e657 | 725 | else |
b044c2e0 | 726 | printf("Inode %u is not in use\n", inode); |
3839e657 TT |
727 | } |
728 | ||
3839e657 TT |
729 | void do_freeb(int argc, char *argv[]) |
730 | { | |
731 | blk_t block; | |
3e41913c | 732 | blk_t count = 1; |
3839e657 | 733 | |
e1018eea | 734 | if (common_block_args_process(argc, argv, &block, &count)) |
3839e657 | 735 | return; |
fc6d9d51 | 736 | if (check_fs_read_write(argv[0])) |
3839e657 | 737 | return; |
e1018eea TT |
738 | while (count-- > 0) { |
739 | if (!ext2fs_test_block_bitmap(current_fs->block_map,block)) | |
8deb80a5 | 740 | com_err(argv[0], 0, "Warning: block %u already clear", |
e1018eea TT |
741 | block); |
742 | ext2fs_unmark_block_bitmap(current_fs->block_map,block); | |
743 | block++; | |
744 | } | |
fc6d9d51 | 745 | ext2fs_mark_bb_dirty(current_fs); |
3839e657 TT |
746 | } |
747 | ||
748 | void do_setb(int argc, char *argv[]) | |
749 | { | |
750 | blk_t block; | |
3e41913c | 751 | blk_t count = 1; |
3839e657 | 752 | |
e1018eea | 753 | if (common_block_args_process(argc, argv, &block, &count)) |
3839e657 | 754 | return; |
fc6d9d51 | 755 | if (check_fs_read_write(argv[0])) |
3839e657 | 756 | return; |
e1018eea TT |
757 | while (count-- > 0) { |
758 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) | |
8deb80a5 | 759 | com_err(argv[0], 0, "Warning: block %u already set", |
e1018eea TT |
760 | block); |
761 | ext2fs_mark_block_bitmap(current_fs->block_map,block); | |
762 | block++; | |
763 | } | |
fc6d9d51 | 764 | ext2fs_mark_bb_dirty(current_fs); |
3839e657 TT |
765 | } |
766 | ||
767 | void do_testb(int argc, char *argv[]) | |
768 | { | |
769 | blk_t block; | |
3e41913c | 770 | blk_t count = 1; |
3839e657 | 771 | |
e1018eea | 772 | if (common_block_args_process(argc, argv, &block, &count)) |
3839e657 | 773 | return; |
e1018eea TT |
774 | while (count-- > 0) { |
775 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) | |
8deb80a5 | 776 | printf("Block %u marked in use\n", block); |
e1018eea | 777 | else |
8deb80a5 | 778 | printf("Block %u not in use\n", block); |
e1018eea | 779 | block++; |
3839e657 | 780 | } |
3839e657 TT |
781 | } |
782 | ||
50e1e10f TT |
783 | static void modify_u8(char *com, const char *prompt, |
784 | const char *format, __u8 *val) | |
3839e657 TT |
785 | { |
786 | char buf[200]; | |
21c84b71 | 787 | unsigned long v; |
3839e657 TT |
788 | char *tmp; |
789 | ||
790 | sprintf(buf, format, *val); | |
791 | printf("%30s [%s] ", prompt, buf); | |
d9039ae0 DL |
792 | if (!fgets(buf, sizeof(buf), stdin)) |
793 | return; | |
3839e657 TT |
794 | if (buf[strlen (buf) - 1] == '\n') |
795 | buf[strlen (buf) - 1] = '\0'; | |
796 | if (!buf[0]) | |
797 | return; | |
21c84b71 | 798 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
799 | if (*tmp) |
800 | com_err(com, 0, "Bad value - %s", buf); | |
801 | else | |
802 | *val = v; | |
803 | } | |
804 | ||
50e1e10f TT |
805 | static void modify_u16(char *com, const char *prompt, |
806 | const char *format, __u16 *val) | |
3839e657 TT |
807 | { |
808 | char buf[200]; | |
21c84b71 | 809 | unsigned long v; |
3839e657 TT |
810 | char *tmp; |
811 | ||
812 | sprintf(buf, format, *val); | |
813 | printf("%30s [%s] ", prompt, buf); | |
d9039ae0 DL |
814 | if (!fgets(buf, sizeof(buf), stdin)) |
815 | return; | |
3839e657 TT |
816 | if (buf[strlen (buf) - 1] == '\n') |
817 | buf[strlen (buf) - 1] = '\0'; | |
818 | if (!buf[0]) | |
819 | return; | |
21c84b71 | 820 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
821 | if (*tmp) |
822 | com_err(com, 0, "Bad value - %s", buf); | |
823 | else | |
824 | *val = v; | |
825 | } | |
826 | ||
50e1e10f TT |
827 | static void modify_u32(char *com, const char *prompt, |
828 | const char *format, __u32 *val) | |
3839e657 TT |
829 | { |
830 | char buf[200]; | |
21c84b71 | 831 | unsigned long v; |
3839e657 TT |
832 | char *tmp; |
833 | ||
834 | sprintf(buf, format, *val); | |
835 | printf("%30s [%s] ", prompt, buf); | |
d9039ae0 DL |
836 | if (!fgets(buf, sizeof(buf), stdin)) |
837 | return; | |
3839e657 TT |
838 | if (buf[strlen (buf) - 1] == '\n') |
839 | buf[strlen (buf) - 1] = '\0'; | |
840 | if (!buf[0]) | |
841 | return; | |
21c84b71 | 842 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
843 | if (*tmp) |
844 | com_err(com, 0, "Bad value - %s", buf); | |
845 | else | |
846 | *val = v; | |
847 | } | |
848 | ||
849 | ||
850 | void do_modify_inode(int argc, char *argv[]) | |
851 | { | |
852 | struct ext2_inode inode; | |
b044c2e0 TT |
853 | ext2_ino_t inode_num; |
854 | int i; | |
b044c2e0 TT |
855 | unsigned char *frag, *fsize; |
856 | char buf[80]; | |
7380ac90 | 857 | int os; |
b044c2e0 TT |
858 | const char *hex_format = "0x%x"; |
859 | const char *octal_format = "0%o"; | |
860 | const char *decimal_format = "%d"; | |
8deb80a5 | 861 | const char *unsignedlong_format = "%lu"; |
3839e657 | 862 | |
e1018eea | 863 | if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW)) |
3839e657 TT |
864 | return; |
865 | ||
7380ac90 TT |
866 | os = current_fs->super->s_creator_os; |
867 | ||
e1018eea | 868 | if (debugfs_read_inode(inode_num, &inode, argv[1])) |
3839e657 | 869 | return; |
3839e657 | 870 | |
50e1e10f TT |
871 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); |
872 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
873 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
8deb80a5 | 874 | modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size); |
50e1e10f TT |
875 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); |
876 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
877 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
878 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
879 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
5d17119d TT |
880 | if (os == EXT2_OS_LINUX) |
881 | modify_u16(argv[0], "Block count high", unsignedlong_format, | |
882 | &inode.osd2.linux2.l_i_blocks_hi); | |
8deb80a5 | 883 | modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks); |
50e1e10f | 884 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); |
3db9305a | 885 | modify_u32(argv[0], "Generation", hex_format, &inode.i_generation); |
50e1e10f TT |
886 | #if 0 |
887 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
888 | #endif | |
889 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
36a43d67 TT |
890 | if (LINUX_S_ISDIR(inode.i_mode)) |
891 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
892 | else | |
893 | modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high); | |
62c06f79 | 894 | |
5d17119d | 895 | if (os == EXT2_OS_HURD) |
62c06f79 TT |
896 | modify_u32(argv[0], "Translator Block", |
897 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
898 | ||
50e1e10f | 899 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); |
fc6d9d51 | 900 | switch (os) { |
fc6d9d51 TT |
901 | case EXT2_OS_HURD: |
902 | frag = &inode.osd2.hurd2.h_i_frag; | |
903 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
904 | break; | |
fc6d9d51 TT |
905 | default: |
906 | frag = fsize = 0; | |
907 | } | |
908 | if (frag) | |
909 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
910 | if (fsize) | |
911 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
912 | ||
3839e657 TT |
913 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { |
914 | sprintf(buf, "Direct Block #%d", i); | |
50e1e10f | 915 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); |
3839e657 | 916 | } |
50e1e10f | 917 | modify_u32(argv[0], "Indirect Block", decimal_format, |
3839e657 | 918 | &inode.i_block[EXT2_IND_BLOCK]); |
50e1e10f | 919 | modify_u32(argv[0], "Double Indirect Block", decimal_format, |
3839e657 | 920 | &inode.i_block[EXT2_DIND_BLOCK]); |
50e1e10f | 921 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, |
3839e657 | 922 | &inode.i_block[EXT2_TIND_BLOCK]); |
e1018eea | 923 | if (debugfs_write_inode(inode_num, &inode, argv[1])) |
3839e657 | 924 | return; |
3839e657 TT |
925 | } |
926 | ||
3839e657 TT |
927 | void do_change_working_dir(int argc, char *argv[]) |
928 | { | |
b044c2e0 TT |
929 | ext2_ino_t inode; |
930 | int retval; | |
3839e657 | 931 | |
e1018eea | 932 | if (common_inode_args_process(argc, argv, &inode, 0)) |
3839e657 TT |
933 | return; |
934 | ||
fc6d9d51 | 935 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 | 936 | if (retval) { |
9b9a780f | 937 | com_err(argv[1], retval, 0); |
3839e657 TT |
938 | return; |
939 | } | |
940 | cwd = inode; | |
941 | return; | |
942 | } | |
943 | ||
3839e657 TT |
944 | void do_print_working_directory(int argc, char *argv[]) |
945 | { | |
946 | int retval; | |
947 | char *pathname = NULL; | |
948 | ||
e1018eea TT |
949 | if (common_args_process(argc, argv, 1, 1, |
950 | "print_working_directory", "", 0)) | |
3839e657 TT |
951 | return; |
952 | ||
fc6d9d51 | 953 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); |
3839e657 TT |
954 | if (retval) { |
955 | com_err(argv[0], retval, | |
956 | "while trying to get pathname of cwd"); | |
957 | } | |
971fe056 BB |
958 | printf("[pwd] INODE: %6u PATH: %s\n", |
959 | cwd, pathname ? pathname : "NULL"); | |
960 | if (pathname) { | |
961 | free(pathname); | |
962 | pathname = NULL; | |
963 | } | |
fc6d9d51 | 964 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); |
3839e657 TT |
965 | if (retval) { |
966 | com_err(argv[0], retval, | |
967 | "while trying to get pathname of root"); | |
968 | } | |
971fe056 BB |
969 | printf("[root] INODE: %6u PATH: %s\n", |
970 | root, pathname ? pathname : "NULL"); | |
971 | if (pathname) { | |
972 | free(pathname); | |
973 | pathname = NULL; | |
974 | } | |
3839e657 TT |
975 | return; |
976 | } | |
977 | ||
abdf84f3 TT |
978 | /* |
979 | * Given a mode, return the ext2 file type | |
980 | */ | |
981 | static int ext2_file_type(unsigned int mode) | |
982 | { | |
983 | if (LINUX_S_ISREG(mode)) | |
984 | return EXT2_FT_REG_FILE; | |
985 | ||
986 | if (LINUX_S_ISDIR(mode)) | |
987 | return EXT2_FT_DIR; | |
988 | ||
989 | if (LINUX_S_ISCHR(mode)) | |
990 | return EXT2_FT_CHRDEV; | |
991 | ||
992 | if (LINUX_S_ISBLK(mode)) | |
993 | return EXT2_FT_BLKDEV; | |
994 | ||
995 | if (LINUX_S_ISLNK(mode)) | |
996 | return EXT2_FT_SYMLINK; | |
997 | ||
998 | if (LINUX_S_ISFIFO(mode)) | |
999 | return EXT2_FT_FIFO; | |
1000 | ||
1001 | if (LINUX_S_ISSOCK(mode)) | |
1002 | return EXT2_FT_SOCK; | |
1003 | ||
1004 | return 0; | |
1005 | } | |
1006 | ||
50e1e10f | 1007 | static void make_link(char *sourcename, char *destname) |
3839e657 | 1008 | { |
abdf84f3 TT |
1009 | ext2_ino_t ino; |
1010 | struct ext2_inode inode; | |
b044c2e0 TT |
1011 | int retval; |
1012 | ext2_ino_t dir; | |
d4e0b1c6 | 1013 | char *dest, *cp, *base_name; |
3839e657 TT |
1014 | |
1015 | /* | |
1016 | * Get the source inode | |
1017 | */ | |
abdf84f3 TT |
1018 | ino = string_to_inode(sourcename); |
1019 | if (!ino) | |
3839e657 | 1020 | return; |
d4e0b1c6 TT |
1021 | base_name = strrchr(sourcename, '/'); |
1022 | if (base_name) | |
1023 | base_name++; | |
3839e657 | 1024 | else |
d4e0b1c6 | 1025 | base_name = sourcename; |
3839e657 TT |
1026 | /* |
1027 | * Figure out the destination. First see if it exists and is | |
1028 | * a directory. | |
1029 | */ | |
fc6d9d51 | 1030 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) |
d4e0b1c6 | 1031 | dest = base_name; |
3839e657 TT |
1032 | else { |
1033 | /* | |
1034 | * OK, it doesn't exist. See if it is | |
1035 | * '<dir>/basename' or 'basename' | |
1036 | */ | |
1037 | cp = strrchr(destname, '/'); | |
1038 | if (cp) { | |
1039 | *cp = 0; | |
1040 | dir = string_to_inode(destname); | |
1041 | if (!dir) | |
1042 | return; | |
1043 | dest = cp+1; | |
1044 | } else { | |
1045 | dir = cwd; | |
1046 | dest = destname; | |
1047 | } | |
1048 | } | |
abdf84f3 TT |
1049 | |
1050 | if (debugfs_read_inode(ino, &inode, sourcename)) | |
1051 | return; | |
3839e657 | 1052 | |
abdf84f3 TT |
1053 | retval = ext2fs_link(current_fs, dir, dest, ino, |
1054 | ext2_file_type(inode.i_mode)); | |
3839e657 | 1055 | if (retval) |
9b9a780f | 1056 | com_err("make_link", retval, 0); |
3839e657 TT |
1057 | return; |
1058 | } | |
1059 | ||
1060 | ||
1061 | void do_link(int argc, char *argv[]) | |
1062 | { | |
e1018eea TT |
1063 | if (common_args_process(argc, argv, 3, 3, "link", |
1064 | "<source file> <dest_name>", CHECK_FS_RW)) | |
1065 | return; | |
1066 | ||
1067 | make_link(argv[1], argv[2]); | |
1068 | } | |
1069 | ||
1070 | static int mark_blocks_proc(ext2_filsys fs, blk_t *blocknr, | |
54434927 TT |
1071 | int blockcnt EXT2FS_ATTR((unused)), |
1072 | void *private EXT2FS_ATTR((unused))) | |
e1018eea TT |
1073 | { |
1074 | blk_t block; | |
e1018eea TT |
1075 | |
1076 | block = *blocknr; | |
1077 | ext2fs_block_alloc_stats(fs, block, +1); | |
1078 | return 0; | |
1079 | } | |
1080 | ||
1081 | void do_undel(int argc, char *argv[]) | |
1082 | { | |
1083 | ext2_ino_t ino; | |
1084 | struct ext2_inode inode; | |
e1018eea | 1085 | |
b026d539 TT |
1086 | if (common_args_process(argc, argv, 2, 3, "undelete", |
1087 | "<inode_num> [dest_name]", | |
e1018eea TT |
1088 | CHECK_FS_RW | CHECK_FS_BITMAPS)) |
1089 | return; | |
1090 | ||
1091 | ino = string_to_inode(argv[1]); | |
1092 | if (!ino) | |
1093 | return; | |
1094 | ||
1095 | if (debugfs_read_inode(ino, &inode, argv[1])) | |
1096 | return; | |
1097 | ||
1098 | if (ext2fs_test_inode_bitmap(current_fs->inode_map, ino)) { | |
1099 | com_err(argv[1], 0, "Inode is not marked as deleted"); | |
3839e657 TT |
1100 | return; |
1101 | } | |
e1018eea TT |
1102 | |
1103 | /* | |
1104 | * XXX this function doesn't handle changing the links count on the | |
1105 | * parent directory when undeleting a directory. | |
1106 | */ | |
1107 | inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1; | |
1108 | inode.i_dtime = 0; | |
1109 | ||
1110 | if (debugfs_write_inode(ino, &inode, argv[0])) | |
3839e657 TT |
1111 | return; |
1112 | ||
43323be9 | 1113 | ext2fs_block_iterate(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL, |
e1018eea TT |
1114 | mark_blocks_proc, NULL); |
1115 | ||
d7f64ae8 | 1116 | ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0); |
e1018eea | 1117 | |
b026d539 TT |
1118 | if (argc > 2) |
1119 | make_link(argv[1], argv[2]); | |
3839e657 TT |
1120 | } |
1121 | ||
50e1e10f | 1122 | static void unlink_file_by_name(char *filename) |
3839e657 | 1123 | { |
b044c2e0 TT |
1124 | int retval; |
1125 | ext2_ino_t dir; | |
d4e0b1c6 | 1126 | char *base_name; |
3839e657 | 1127 | |
d4e0b1c6 TT |
1128 | base_name = strrchr(filename, '/'); |
1129 | if (base_name) { | |
1130 | *base_name++ = '\0'; | |
3839e657 TT |
1131 | dir = string_to_inode(filename); |
1132 | if (!dir) | |
1133 | return; | |
1134 | } else { | |
1135 | dir = cwd; | |
d4e0b1c6 | 1136 | base_name = filename; |
3839e657 | 1137 | } |
d4e0b1c6 | 1138 | retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0); |
3839e657 | 1139 | if (retval) |
9b9a780f | 1140 | com_err("unlink_file_by_name", retval, 0); |
3839e657 TT |
1141 | return; |
1142 | } | |
1143 | ||
1144 | void do_unlink(int argc, char *argv[]) | |
1145 | { | |
e1018eea TT |
1146 | if (common_args_process(argc, argv, 2, 2, "link", |
1147 | "<pathname>", CHECK_FS_RW)) | |
3839e657 TT |
1148 | return; |
1149 | ||
1150 | unlink_file_by_name(argv[1]); | |
1151 | } | |
1152 | ||
1153 | void do_find_free_block(int argc, char *argv[]) | |
1154 | { | |
5aae7c29 | 1155 | blk_t free_blk, goal, first_free = 0; |
e1018eea | 1156 | int count; |
3839e657 TT |
1157 | errcode_t retval; |
1158 | char *tmp; | |
1159 | ||
e1018eea TT |
1160 | if ((argc > 3) || (argc==2 && *argv[1] == '?')) { |
1161 | com_err(argv[0], 0, "Usage: find_free_block [count [goal]]"); | |
3839e657 TT |
1162 | return; |
1163 | } | |
1164 | if (check_fs_open(argv[0])) | |
1165 | return; | |
1166 | ||
1167 | if (argc > 1) { | |
e1018eea TT |
1168 | count = strtol(argv[1],&tmp,0); |
1169 | if (*tmp) { | |
1170 | com_err(argv[0], 0, "Bad count - %s", argv[1]); | |
1171 | return; | |
1172 | } | |
1173 | } else | |
1174 | count = 1; | |
1175 | ||
1176 | if (argc > 2) { | |
1177 | goal = strtol(argv[2], &tmp, 0); | |
3839e657 TT |
1178 | if (*tmp) { |
1179 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
1180 | return; | |
1181 | } | |
1182 | } | |
1183 | else | |
fc6d9d51 | 1184 | goal = current_fs->super->s_first_data_block; |
3839e657 | 1185 | |
e1018eea TT |
1186 | printf("Free blocks found: "); |
1187 | free_blk = goal - 1; | |
1188 | while (count-- > 0) { | |
1189 | retval = ext2fs_new_block(current_fs, free_blk + 1, 0, | |
1190 | &free_blk); | |
5aae7c29 TT |
1191 | if (first_free) { |
1192 | if (first_free == free_blk) | |
1193 | break; | |
1194 | } else | |
1195 | first_free = free_blk; | |
e1018eea | 1196 | if (retval) { |
9b9a780f | 1197 | com_err("ext2fs_new_block", retval, 0); |
e1018eea TT |
1198 | return; |
1199 | } else | |
8deb80a5 | 1200 | printf("%u ", free_blk); |
e1018eea TT |
1201 | } |
1202 | printf("\n"); | |
3839e657 TT |
1203 | } |
1204 | ||
1205 | void do_find_free_inode(int argc, char *argv[]) | |
1206 | { | |
b044c2e0 TT |
1207 | ext2_ino_t free_inode, dir; |
1208 | int mode; | |
1209 | int retval; | |
1210 | char *tmp; | |
3839e657 | 1211 | |
50e1e10f TT |
1212 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { |
1213 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
3839e657 TT |
1214 | return; |
1215 | } | |
1216 | if (check_fs_open(argv[0])) | |
1217 | return; | |
1218 | ||
1219 | if (argc > 1) { | |
1220 | dir = strtol(argv[1], &tmp, 0); | |
1221 | if (*tmp) { | |
1222 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
1223 | return; | |
1224 | } | |
1225 | } | |
1226 | else | |
1227 | dir = root; | |
1228 | if (argc > 2) { | |
1229 | mode = strtol(argv[2], &tmp, 0); | |
1230 | if (*tmp) { | |
1231 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
1232 | return; | |
1233 | } | |
50e1e10f | 1234 | } else |
3839e657 TT |
1235 | mode = 010755; |
1236 | ||
fc6d9d51 | 1237 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); |
3839e657 | 1238 | if (retval) |
9b9a780f | 1239 | com_err("ext2fs_new_inode", retval, 0); |
3839e657 | 1240 | else |
b044c2e0 | 1241 | printf("Free inode found: %u\n", free_inode); |
3839e657 TT |
1242 | } |
1243 | ||
b044c2e0 | 1244 | static errcode_t copy_file(int fd, ext2_ino_t newfile) |
50e1e10f | 1245 | { |
5a51384e | 1246 | ext2_file_t e2_file; |
50e1e10f | 1247 | errcode_t retval; |
b7846402 TT |
1248 | int got; |
1249 | unsigned int written; | |
5a51384e TT |
1250 | char buf[8192]; |
1251 | char *ptr; | |
50e1e10f | 1252 | |
5a51384e TT |
1253 | retval = ext2fs_file_open(current_fs, newfile, |
1254 | EXT2_FILE_WRITE, &e2_file); | |
50e1e10f TT |
1255 | if (retval) |
1256 | return retval; | |
50e1e10f | 1257 | |
5a51384e TT |
1258 | while (1) { |
1259 | got = read(fd, buf, sizeof(buf)); | |
1260 | if (got == 0) | |
1261 | break; | |
1262 | if (got < 0) { | |
1263 | retval = errno; | |
1264 | goto fail; | |
1265 | } | |
1266 | ptr = buf; | |
1267 | while (got > 0) { | |
1268 | retval = ext2fs_file_write(e2_file, ptr, | |
1269 | got, &written); | |
1270 | if (retval) | |
1271 | goto fail; | |
1272 | ||
1273 | got -= written; | |
1274 | ptr += written; | |
1275 | } | |
1276 | } | |
1277 | retval = ext2fs_file_close(e2_file); | |
5a51384e TT |
1278 | return retval; |
1279 | ||
1280 | fail: | |
1281 | (void) ext2fs_file_close(e2_file); | |
1282 | return retval; | |
50e1e10f TT |
1283 | } |
1284 | ||
5a51384e | 1285 | |
50e1e10f TT |
1286 | void do_write(int argc, char *argv[]) |
1287 | { | |
b044c2e0 TT |
1288 | int fd; |
1289 | struct stat statbuf; | |
1290 | ext2_ino_t newfile; | |
1291 | errcode_t retval; | |
50e1e10f TT |
1292 | struct ext2_inode inode; |
1293 | ||
e1018eea TT |
1294 | if (common_args_process(argc, argv, 3, 3, "write", |
1295 | "<native file> <new file>", CHECK_FS_RW)) | |
50e1e10f | 1296 | return; |
e1018eea | 1297 | |
50e1e10f TT |
1298 | fd = open(argv[1], O_RDONLY); |
1299 | if (fd < 0) { | |
9b9a780f | 1300 | com_err(argv[1], errno, 0); |
50e1e10f TT |
1301 | return; |
1302 | } | |
1303 | if (fstat(fd, &statbuf) < 0) { | |
9b9a780f | 1304 | com_err(argv[1], errno, 0); |
50e1e10f TT |
1305 | close(fd); |
1306 | return; | |
1307 | } | |
1308 | ||
1dd090fa TT |
1309 | retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile); |
1310 | if (retval == 0) { | |
1311 | com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]); | |
1312 | close(fd); | |
1313 | return; | |
1314 | } | |
1315 | ||
fc6d9d51 | 1316 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f | 1317 | if (retval) { |
9b9a780f | 1318 | com_err(argv[0], retval, 0); |
50e1e10f TT |
1319 | close(fd); |
1320 | return; | |
1321 | } | |
b044c2e0 | 1322 | printf("Allocated inode: %u\n", newfile); |
085cb19a TT |
1323 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, |
1324 | EXT2_FT_REG_FILE); | |
2d9f0804 TT |
1325 | if (retval == EXT2_ET_DIR_NO_SPACE) { |
1326 | retval = ext2fs_expand_dir(current_fs, cwd); | |
1327 | if (retval) { | |
1328 | com_err(argv[0], retval, "while expanding directory"); | |
1329 | return; | |
1330 | } | |
1331 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, | |
1332 | EXT2_FT_REG_FILE); | |
1333 | } | |
50e1e10f | 1334 | if (retval) { |
9b9a780f | 1335 | com_err(argv[2], retval, 0); |
50e1e10f TT |
1336 | close(fd); |
1337 | return; | |
1338 | } | |
fc6d9d51 | 1339 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1340 | com_err(argv[0], 0, "Warning: inode already set"); |
d7f64ae8 | 1341 | ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0); |
50e1e10f | 1342 | memset(&inode, 0, sizeof(inode)); |
04df4919 | 1343 | inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG; |
4efae606 TT |
1344 | inode.i_atime = inode.i_ctime = inode.i_mtime = |
1345 | current_fs->now ? current_fs->now : time(0); | |
50e1e10f TT |
1346 | inode.i_links_count = 1; |
1347 | inode.i_size = statbuf.st_size; | |
030970ed | 1348 | if (debugfs_write_new_inode(newfile, &inode, argv[0])) { |
50e1e10f TT |
1349 | close(fd); |
1350 | return; | |
1351 | } | |
1352 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1353 | retval = copy_file(fd, newfile); | |
1354 | if (retval) | |
9b9a780f | 1355 | com_err("copy_file", retval, 0); |
50e1e10f TT |
1356 | } |
1357 | close(fd); | |
1358 | } | |
1359 | ||
1360 | void do_mknod(int argc, char *argv[]) | |
1361 | { | |
54434927 | 1362 | unsigned long mode, major, minor; |
b044c2e0 TT |
1363 | ext2_ino_t newfile; |
1364 | errcode_t retval; | |
50e1e10f | 1365 | struct ext2_inode inode; |
54434927 | 1366 | int filetype, nr; |
50e1e10f TT |
1367 | |
1368 | if (check_fs_open(argv[0])) | |
1369 | return; | |
1370 | if (argc < 3 || argv[2][1]) { | |
e1018eea | 1371 | usage: |
50e1e10f TT |
1372 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); |
1373 | return; | |
1374 | } | |
1375 | mode = minor = major = 0; | |
1376 | switch (argv[2][0]) { | |
1377 | case 'p': | |
1378 | mode = LINUX_S_IFIFO; | |
085cb19a | 1379 | filetype = EXT2_FT_FIFO; |
50e1e10f TT |
1380 | nr = 3; |
1381 | break; | |
1382 | case 'c': | |
1383 | mode = LINUX_S_IFCHR; | |
085cb19a | 1384 | filetype = EXT2_FT_CHRDEV; |
50e1e10f TT |
1385 | nr = 5; |
1386 | break; | |
1387 | case 'b': | |
1388 | mode = LINUX_S_IFBLK; | |
085cb19a | 1389 | filetype = EXT2_FT_BLKDEV; |
50e1e10f TT |
1390 | nr = 5; |
1391 | break; | |
1392 | default: | |
085cb19a | 1393 | filetype = 0; |
50e1e10f TT |
1394 | nr = 0; |
1395 | } | |
1396 | if (nr == 5) { | |
1397 | major = strtoul(argv[3], argv+3, 0); | |
1398 | minor = strtoul(argv[4], argv+4, 0); | |
2d10769e | 1399 | if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0]) |
50e1e10f TT |
1400 | nr = 0; |
1401 | } | |
e1018eea TT |
1402 | if (argc != nr) |
1403 | goto usage; | |
fc6d9d51 | 1404 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1405 | return; |
fc6d9d51 | 1406 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f | 1407 | if (retval) { |
9b9a780f | 1408 | com_err(argv[0], retval, 0); |
50e1e10f TT |
1409 | return; |
1410 | } | |
b044c2e0 | 1411 | printf("Allocated inode: %u\n", newfile); |
085cb19a | 1412 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype); |
2d9f0804 TT |
1413 | if (retval == EXT2_ET_DIR_NO_SPACE) { |
1414 | retval = ext2fs_expand_dir(current_fs, cwd); | |
50e1e10f | 1415 | if (retval) { |
2d9f0804 | 1416 | com_err(argv[0], retval, "while expanding directory"); |
50e1e10f TT |
1417 | return; |
1418 | } | |
2d9f0804 TT |
1419 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, |
1420 | filetype); | |
1421 | } | |
1422 | if (retval) { | |
9b9a780f | 1423 | com_err(argv[1], retval, 0); |
2d9f0804 | 1424 | return; |
50e1e10f | 1425 | } |
fc6d9d51 | 1426 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1427 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1428 | ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile); |
1429 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1430 | memset(&inode, 0, sizeof(inode)); |
1431 | inode.i_mode = mode; | |
4efae606 TT |
1432 | inode.i_atime = inode.i_ctime = inode.i_mtime = |
1433 | current_fs->now ? current_fs->now : time(0); | |
2d10769e TT |
1434 | if ((major < 256) && (minor < 256)) { |
1435 | inode.i_block[0] = major*256+minor; | |
1436 | inode.i_block[1] = 0; | |
1437 | } else { | |
1438 | inode.i_block[0] = 0; | |
1439 | inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12); | |
1440 | } | |
50e1e10f | 1441 | inode.i_links_count = 1; |
030970ed | 1442 | if (debugfs_write_new_inode(newfile, &inode, argv[0])) |
50e1e10f | 1443 | return; |
50e1e10f TT |
1444 | } |
1445 | ||
3839e657 TT |
1446 | void do_mkdir(int argc, char *argv[]) |
1447 | { | |
1448 | char *cp; | |
b044c2e0 | 1449 | ext2_ino_t parent; |
3839e657 TT |
1450 | char *name; |
1451 | errcode_t retval; | |
1452 | ||
e1018eea TT |
1453 | if (common_args_process(argc, argv, 2, 2, "mkdir", |
1454 | "<filename>", CHECK_FS_RW)) | |
d3aea7dc TT |
1455 | return; |
1456 | ||
3839e657 TT |
1457 | cp = strrchr(argv[1], '/'); |
1458 | if (cp) { | |
1459 | *cp = 0; | |
1460 | parent = string_to_inode(argv[1]); | |
1461 | if (!parent) { | |
9b9a780f | 1462 | com_err(argv[1], ENOENT, 0); |
3839e657 TT |
1463 | return; |
1464 | } | |
1465 | name = cp+1; | |
1466 | } else { | |
1467 | parent = cwd; | |
1468 | name = argv[1]; | |
1469 | } | |
1470 | ||
2d9f0804 | 1471 | try_again: |
fc6d9d51 | 1472 | retval = ext2fs_mkdir(current_fs, parent, 0, name); |
2d9f0804 TT |
1473 | if (retval == EXT2_ET_DIR_NO_SPACE) { |
1474 | retval = ext2fs_expand_dir(current_fs, parent); | |
1475 | if (retval) { | |
1476 | com_err("argv[0]", retval, "while expanding directory"); | |
1477 | return; | |
1478 | } | |
1479 | goto try_again; | |
1480 | } | |
3839e657 | 1481 | if (retval) { |
9b9a780f | 1482 | com_err("ext2fs_mkdir", retval, 0); |
3839e657 TT |
1483 | return; |
1484 | } | |
1485 | ||
1486 | } | |
1487 | ||
50e1e10f | 1488 | static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, |
54434927 TT |
1489 | int blockcnt EXT2FS_ATTR((unused)), |
1490 | void *private EXT2FS_ATTR((unused))) | |
3839e657 | 1491 | { |
34436891 | 1492 | blk_t block; |
34436891 TT |
1493 | |
1494 | block = *blocknr; | |
e1018eea | 1495 | ext2fs_block_alloc_stats(fs, block, -1); |
3839e657 TT |
1496 | return 0; |
1497 | } | |
1498 | ||
b044c2e0 | 1499 | static void kill_file_by_inode(ext2_ino_t inode) |
3839e657 TT |
1500 | { |
1501 | struct ext2_inode inode_buf; | |
1502 | ||
e1018eea TT |
1503 | if (debugfs_read_inode(inode, &inode_buf, 0)) |
1504 | return; | |
4efae606 | 1505 | inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0); |
e1018eea TT |
1506 | if (debugfs_write_inode(inode, &inode_buf, 0)) |
1507 | return; | |
9c92d848 TT |
1508 | if (!ext2fs_inode_has_valid_blocks(&inode_buf)) |
1509 | return; | |
3839e657 | 1510 | |
43323be9 | 1511 | ext2fs_block_iterate(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL, |
fc6d9d51 | 1512 | release_blocks_proc, NULL); |
521e3685 | 1513 | printf("\n"); |
d7f64ae8 TT |
1514 | ext2fs_inode_alloc_stats2(current_fs, inode, -1, |
1515 | LINUX_S_ISDIR(inode_buf.i_mode)); | |
3839e657 TT |
1516 | } |
1517 | ||
1518 | ||
1519 | void do_kill_file(int argc, char *argv[]) | |
1520 | { | |
b044c2e0 | 1521 | ext2_ino_t inode_num; |
3839e657 | 1522 | |
e1018eea | 1523 | if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW)) |
3839e657 TT |
1524 | return; |
1525 | ||
3839e657 TT |
1526 | kill_file_by_inode(inode_num); |
1527 | } | |
1528 | ||
1529 | void do_rm(int argc, char *argv[]) | |
1530 | { | |
1531 | int retval; | |
b044c2e0 | 1532 | ext2_ino_t inode_num; |
3839e657 TT |
1533 | struct ext2_inode inode; |
1534 | ||
e1018eea TT |
1535 | if (common_args_process(argc, argv, 2, 2, "rm", |
1536 | "<filename>", CHECK_FS_RW)) | |
d3aea7dc TT |
1537 | return; |
1538 | ||
fc6d9d51 | 1539 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); |
3839e657 | 1540 | if (retval) { |
91d6d486 | 1541 | com_err(argv[0], retval, "while trying to resolve filename"); |
3839e657 TT |
1542 | return; |
1543 | } | |
1544 | ||
e1018eea | 1545 | if (debugfs_read_inode(inode_num, &inode, argv[0])) |
3839e657 | 1546 | return; |
3839e657 | 1547 | |
50e1e10f | 1548 | if (LINUX_S_ISDIR(inode.i_mode)) { |
3839e657 TT |
1549 | com_err(argv[0], 0, "file is a directory"); |
1550 | return; | |
1551 | } | |
1552 | ||
1553 | --inode.i_links_count; | |
e1018eea | 1554 | if (debugfs_write_inode(inode_num, &inode, argv[0])) |
3839e657 | 1555 | return; |
3839e657 TT |
1556 | |
1557 | unlink_file_by_name(argv[1]); | |
1558 | if (inode.i_links_count == 0) | |
1559 | kill_file_by_inode(inode_num); | |
1560 | } | |
1561 | ||
d7f64ae8 TT |
1562 | struct rd_struct { |
1563 | ext2_ino_t parent; | |
1564 | int empty; | |
1565 | }; | |
1566 | ||
54434927 TT |
1567 | static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)), |
1568 | int entry EXT2FS_ATTR((unused)), | |
d7f64ae8 | 1569 | struct ext2_dir_entry *dirent, |
54434927 TT |
1570 | int offset EXT2FS_ATTR((unused)), |
1571 | int blocksize EXT2FS_ATTR((unused)), | |
1572 | char *buf EXT2FS_ATTR((unused)), | |
d7f64ae8 TT |
1573 | void *private) |
1574 | { | |
1575 | struct rd_struct *rds = (struct rd_struct *) private; | |
1576 | ||
1577 | if (dirent->inode == 0) | |
1578 | return 0; | |
1579 | if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.')) | |
1580 | return 0; | |
1581 | if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') && | |
1582 | (dirent->name[1] == '.')) { | |
1583 | rds->parent = dirent->inode; | |
1584 | return 0; | |
1585 | } | |
1586 | rds->empty = 0; | |
1587 | return 0; | |
1588 | } | |
1589 | ||
1590 | void do_rmdir(int argc, char *argv[]) | |
1591 | { | |
1592 | int retval; | |
1593 | ext2_ino_t inode_num; | |
1594 | struct ext2_inode inode; | |
1595 | struct rd_struct rds; | |
1596 | ||
1597 | if (common_args_process(argc, argv, 2, 2, "rmdir", | |
1598 | "<filename>", CHECK_FS_RW)) | |
1599 | return; | |
1600 | ||
1601 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); | |
1602 | if (retval) { | |
1603 | com_err(argv[0], retval, "while trying to resolve filename"); | |
1604 | return; | |
1605 | } | |
1606 | ||
1607 | if (debugfs_read_inode(inode_num, &inode, argv[0])) | |
1608 | return; | |
1609 | ||
1610 | if (!LINUX_S_ISDIR(inode.i_mode)) { | |
1611 | com_err(argv[0], 0, "file is not a directory"); | |
1612 | return; | |
1613 | } | |
1614 | ||
1615 | rds.parent = 0; | |
1616 | rds.empty = 1; | |
1617 | ||
1618 | retval = ext2fs_dir_iterate2(current_fs, inode_num, 0, | |
1619 | 0, rmdir_proc, &rds); | |
1620 | if (retval) { | |
1621 | com_err(argv[0], retval, "while iterating over directory"); | |
1622 | return; | |
1623 | } | |
1624 | if (rds.empty == 0) { | |
1625 | com_err(argv[0], 0, "directory not empty"); | |
1626 | return; | |
1627 | } | |
1628 | ||
1629 | inode.i_links_count = 0; | |
1630 | if (debugfs_write_inode(inode_num, &inode, argv[0])) | |
1631 | return; | |
1632 | ||
1633 | unlink_file_by_name(argv[1]); | |
1634 | kill_file_by_inode(inode_num); | |
1635 | ||
1636 | if (rds.parent) { | |
1637 | if (debugfs_read_inode(rds.parent, &inode, argv[0])) | |
1638 | return; | |
1639 | if (inode.i_links_count > 1) | |
1640 | inode.i_links_count--; | |
1641 | if (debugfs_write_inode(rds.parent, &inode, argv[0])) | |
1642 | return; | |
1643 | } | |
1644 | } | |
1645 | ||
54434927 TT |
1646 | void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)), |
1647 | char *argv[] EXT2FS_ATTR((unused))) | |
3839e657 TT |
1648 | { |
1649 | FILE *out = stdout; | |
1650 | ||
fc6d9d51 TT |
1651 | if (current_fs) |
1652 | fprintf(out, "Open mode: read-%s\n", | |
1653 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
3839e657 | 1654 | fprintf(out, "Filesystem in use: %s\n", |
fc6d9d51 | 1655 | current_fs ? current_fs->device_name : "--none--"); |
3839e657 TT |
1656 | } |
1657 | ||
1658 | void do_expand_dir(int argc, char *argv[]) | |
1659 | { | |
b044c2e0 | 1660 | ext2_ino_t inode; |
3839e657 TT |
1661 | int retval; |
1662 | ||
e1018eea | 1663 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW)) |
3839e657 TT |
1664 | return; |
1665 | ||
fc6d9d51 | 1666 | retval = ext2fs_expand_dir(current_fs, inode); |
3839e657 | 1667 | if (retval) |
9b9a780f | 1668 | com_err("ext2fs_expand_dir", retval, 0); |
3839e657 TT |
1669 | return; |
1670 | } | |
1671 | ||
d3aea7dc TT |
1672 | void do_features(int argc, char *argv[]) |
1673 | { | |
1674 | int i; | |
1675 | ||
1676 | if (check_fs_open(argv[0])) | |
1677 | return; | |
1678 | ||
1679 | if ((argc != 1) && check_fs_read_write(argv[0])) | |
1680 | return; | |
1681 | for (i=1; i < argc; i++) { | |
1682 | if (e2p_edit_feature(argv[i], | |
06968e7e | 1683 | ¤t_fs->super->s_feature_compat, 0)) |
d3aea7dc TT |
1684 | com_err(argv[0], 0, "Unknown feature: %s\n", |
1685 | argv[i]); | |
1686 | else | |
1687 | ext2fs_mark_super_dirty(current_fs); | |
1688 | } | |
5dd8f963 | 1689 | print_features(current_fs->super, stdout); |
d3aea7dc TT |
1690 | } |
1691 | ||
b38cd283 TT |
1692 | void do_bmap(int argc, char *argv[]) |
1693 | { | |
1694 | ext2_ino_t ino; | |
1695 | blk_t blk, pblk; | |
1696 | int err; | |
1697 | errcode_t errcode; | |
1698 | ||
1699 | if (common_args_process(argc, argv, 3, 3, argv[0], | |
1700 | "<file> logical_blk", 0)) | |
1701 | return; | |
1702 | ||
1703 | ino = string_to_inode(argv[1]); | |
becf36f6 TT |
1704 | if (!ino) |
1705 | return; | |
b38cd283 TT |
1706 | blk = parse_ulong(argv[2], argv[0], "logical_block", &err); |
1707 | ||
1708 | errcode = ext2fs_bmap(current_fs, ino, 0, 0, 0, blk, &pblk); | |
1709 | if (errcode) { | |
1710 | com_err("argv[0]", errcode, | |
8deb80a5 | 1711 | "while mapping logical block %u\n", blk); |
b38cd283 TT |
1712 | return; |
1713 | } | |
8deb80a5 | 1714 | printf("%u\n", pblk); |
b38cd283 TT |
1715 | } |
1716 | ||
becf36f6 TT |
1717 | void do_imap(int argc, char *argv[]) |
1718 | { | |
1719 | ext2_ino_t ino; | |
1720 | unsigned long group, block, block_nr, offset; | |
1721 | ||
1722 | if (common_args_process(argc, argv, 2, 2, argv[0], | |
1723 | "<file>", 0)) | |
1724 | return; | |
1725 | ino = string_to_inode(argv[1]); | |
1726 | if (!ino) | |
88494bb6 | 1727 | return; |
becf36f6 TT |
1728 | |
1729 | group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super); | |
1730 | offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) * | |
1731 | EXT2_INODE_SIZE(current_fs->super); | |
1732 | block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super); | |
1733 | if (!current_fs->group_desc[(unsigned)group].bg_inode_table) { | |
54434927 | 1734 | com_err(argv[0], 0, "Inode table for group %lu is missing\n", |
becf36f6 TT |
1735 | group); |
1736 | return; | |
1737 | } | |
1738 | block_nr = current_fs->group_desc[(unsigned)group].bg_inode_table + | |
1739 | block; | |
1740 | offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1); | |
1741 | ||
48e6e813 TT |
1742 | printf("Inode %d is part of block group %lu\n" |
1743 | "\tlocated at block %lu, offset 0x%04lx\n", ino, group, | |
becf36f6 TT |
1744 | block_nr, offset); |
1745 | ||
1746 | } | |
1747 | ||
4efae606 TT |
1748 | void do_set_current_time(int argc, char *argv[]) |
1749 | { | |
4efae606 TT |
1750 | time_t now; |
1751 | ||
1752 | if (common_args_process(argc, argv, 2, 2, argv[0], | |
1753 | "<time>", 0)) | |
1754 | return; | |
becf36f6 | 1755 | |
4efae606 TT |
1756 | now = string_to_time(argv[1]); |
1757 | if (now == ((time_t) -1)) { | |
1758 | com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n", | |
1759 | argv[1]); | |
1760 | return; | |
1761 | ||
1762 | } else { | |
1763 | printf("Setting current time to %s\n", time_to_string(now)); | |
1764 | current_fs->now = now; | |
1765 | } | |
1766 | } | |
b38cd283 | 1767 | |
fc6d9d51 TT |
1768 | static int source_file(const char *cmd_file, int sci_idx) |
1769 | { | |
1770 | FILE *f; | |
1771 | char buf[256]; | |
1772 | char *cp; | |
1773 | int exit_status = 0; | |
1774 | int retval; | |
1775 | ||
1776 | if (strcmp(cmd_file, "-") == 0) | |
1777 | f = stdin; | |
1778 | else { | |
1779 | f = fopen(cmd_file, "r"); | |
1780 | if (!f) { | |
1781 | perror(cmd_file); | |
1782 | exit(1); | |
1783 | } | |
1784 | } | |
1785 | setbuf(stdout, NULL); | |
1786 | setbuf(stderr, NULL); | |
1787 | while (!feof(f)) { | |
1788 | if (fgets(buf, sizeof(buf), f) == NULL) | |
1789 | break; | |
1790 | cp = strchr(buf, '\n'); | |
1791 | if (cp) | |
1792 | *cp = 0; | |
1793 | cp = strchr(buf, '\r'); | |
1794 | if (cp) | |
1795 | *cp = 0; | |
1796 | printf("debugfs: %s\n", buf); | |
1797 | retval = ss_execute_line(sci_idx, buf); | |
1798 | if (retval) { | |
1799 | ss_perror(sci_idx, retval, buf); | |
1800 | exit_status++; | |
1801 | } | |
1802 | } | |
1803 | return exit_status; | |
1804 | } | |
1805 | ||
a8859cad | 1806 | int main(int argc, char **argv) |
3839e657 | 1807 | { |
50e1e10f TT |
1808 | int retval; |
1809 | int sci_idx; | |
49ce6cb5 | 1810 | const char *usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]"; |
f1304811 | 1811 | int c; |
cf8272e1 | 1812 | int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES; |
fc6d9d51 TT |
1813 | char *request = 0; |
1814 | int exit_status = 0; | |
1815 | char *cmd_file = 0; | |
2e8d40d5 TT |
1816 | blk_t superblock = 0; |
1817 | blk_t blocksize = 0; | |
1818 | int catastrophic = 0; | |
1ad54a94 | 1819 | char *data_filename = 0; |
3839e657 | 1820 | |
49ce6cb5 TT |
1821 | if (debug_prog_name == 0) |
1822 | debug_prog_name = "debugfs"; | |
1823 | ||
a6d8302b | 1824 | add_error_table(&et_ext2_error_table); |
49ce6cb5 TT |
1825 | fprintf (stderr, "%s %s (%s)\n", debug_prog_name, |
1826 | E2FSPROGS_VERSION, E2FSPROGS_DATE); | |
3839e657 | 1827 | |
1ad54a94 | 1828 | while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:")) != EOF) { |
3839e657 | 1829 | switch (c) { |
fc6d9d51 TT |
1830 | case 'R': |
1831 | request = optarg; | |
1832 | break; | |
1833 | case 'f': | |
1834 | cmd_file = optarg; | |
1835 | break; | |
1ad54a94 TT |
1836 | case 'd': |
1837 | data_filename = optarg; | |
1838 | break; | |
59cf7e0d TT |
1839 | case 'i': |
1840 | open_flags |= EXT2_FLAG_IMAGE_FILE; | |
1841 | break; | |
3839e657 | 1842 | case 'w': |
59cf7e0d | 1843 | open_flags |= EXT2_FLAG_RW; |
3839e657 | 1844 | break; |
2e8d40d5 | 1845 | case 'b': |
b38cd283 | 1846 | blocksize = parse_ulong(optarg, argv[0], |
e1018eea | 1847 | "block size", 0); |
2e8d40d5 TT |
1848 | break; |
1849 | case 's': | |
b38cd283 | 1850 | superblock = parse_ulong(optarg, argv[0], |
e1018eea | 1851 | "superblock number", 0); |
2e8d40d5 TT |
1852 | break; |
1853 | case 'c': | |
1854 | catastrophic = 1; | |
1855 | break; | |
818180cd TT |
1856 | case 'V': |
1857 | /* Print version number and exit */ | |
1858 | fprintf(stderr, "\tUsing %s\n", | |
1859 | error_message(EXT2_ET_BASE)); | |
1860 | exit(0); | |
3839e657 | 1861 | default: |
49ce6cb5 | 1862 | com_err(argv[0], 0, usage, debug_prog_name); |
b4ac9cc3 | 1863 | return 1; |
3839e657 TT |
1864 | } |
1865 | } | |
1866 | if (optind < argc) | |
2e8d40d5 | 1867 | open_filesystem(argv[optind], open_flags, |
1ad54a94 TT |
1868 | superblock, blocksize, catastrophic, |
1869 | data_filename); | |
3839e657 | 1870 | |
49ce6cb5 | 1871 | sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL, |
3839e657 TT |
1872 | &debug_cmds, &retval); |
1873 | if (retval) { | |
1874 | ss_perror(sci_idx, retval, "creating invocation"); | |
1875 | exit(1); | |
1876 | } | |
3ae497ea | 1877 | ss_get_readline(sci_idx); |
3839e657 TT |
1878 | |
1879 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
1880 | if (retval) { | |
1881 | ss_perror(sci_idx, retval, "adding standard requests"); | |
1882 | exit (1); | |
1883 | } | |
49ce6cb5 TT |
1884 | if (extra_cmds) |
1885 | ss_add_request_table (sci_idx, extra_cmds, 1, &retval); | |
1886 | if (retval) { | |
1887 | ss_perror(sci_idx, retval, "adding extra requests"); | |
1888 | exit (1); | |
1889 | } | |
fc6d9d51 TT |
1890 | if (request) { |
1891 | retval = 0; | |
1892 | retval = ss_execute_line(sci_idx, request); | |
1893 | if (retval) { | |
1894 | ss_perror(sci_idx, retval, request); | |
1895 | exit_status++; | |
1896 | } | |
1897 | } else if (cmd_file) { | |
1898 | exit_status = source_file(cmd_file, sci_idx); | |
1899 | } else { | |
1900 | ss_listen(sci_idx); | |
1901 | } | |
3839e657 | 1902 | |
fc6d9d51 | 1903 | if (current_fs) |
3839e657 TT |
1904 | close_filesystem(); |
1905 | ||
a6d8302b | 1906 | remove_error_table(&et_ext2_error_table); |
e597304a | 1907 | return exit_status; |
3839e657 | 1908 | } |