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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 "config.h" | |
12 | #include <stdio.h> | |
13 | #include <unistd.h> | |
14 | #include <stdlib.h> | |
15 | #include <ctype.h> | |
16 | #include <string.h> | |
17 | #include <time.h> | |
18 | #ifdef HAVE_GETOPT_H | |
19 | #include <getopt.h> | |
20 | #else | |
21 | extern int optind; | |
22 | extern char *optarg; | |
23 | #endif | |
24 | #ifdef HAVE_ERRNO_H | |
25 | #include <errno.h> | |
26 | #endif | |
27 | #include <fcntl.h> | |
28 | #include <sys/types.h> | |
29 | #include <sys/stat.h> | |
30 | ||
31 | #include "et/com_err.h" | |
32 | #include "ss/ss.h" | |
33 | #include "debugfs.h" | |
34 | #include "uuid/uuid.h" | |
35 | #include "e2p/e2p.h" | |
36 | ||
37 | #include <ext2fs/ext2_ext_attr.h> | |
38 | ||
39 | #include "../version.h" | |
40 | #include "jfs_user.h" | |
41 | ||
42 | extern ss_request_table debug_cmds; | |
43 | ss_request_table *extra_cmds; | |
44 | const char *debug_prog_name; | |
45 | ||
46 | ext2_filsys current_fs = NULL; | |
47 | ext2_ino_t root, cwd; | |
48 | ||
49 | static void open_filesystem(char *device, int open_flags, blk64_t superblock, | |
50 | blk64_t blocksize, int catastrophic, | |
51 | char *data_filename) | |
52 | { | |
53 | int retval; | |
54 | io_channel data_io = 0; | |
55 | ||
56 | if (superblock != 0 && blocksize == 0) { | |
57 | com_err(device, 0, "if you specify the superblock, you must also specify the block size"); | |
58 | current_fs = NULL; | |
59 | return; | |
60 | } | |
61 | ||
62 | if (data_filename) { | |
63 | if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) { | |
64 | com_err(device, 0, | |
65 | "The -d option is only valid when reading an e2image file"); | |
66 | current_fs = NULL; | |
67 | return; | |
68 | } | |
69 | retval = unix_io_manager->open(data_filename, 0, &data_io); | |
70 | if (retval) { | |
71 | com_err(data_filename, 0, "while opening data source"); | |
72 | current_fs = NULL; | |
73 | return; | |
74 | } | |
75 | } | |
76 | ||
77 | if (catastrophic && (open_flags & EXT2_FLAG_RW)) { | |
78 | com_err(device, 0, | |
79 | "opening read-only because of catastrophic mode"); | |
80 | open_flags &= ~EXT2_FLAG_RW; | |
81 | } | |
82 | if (catastrophic) | |
83 | open_flags |= EXT2_FLAG_SKIP_MMP; | |
84 | ||
85 | retval = ext2fs_open(device, open_flags, superblock, blocksize, | |
86 | unix_io_manager, ¤t_fs); | |
87 | if (retval) { | |
88 | com_err(device, retval, "while opening filesystem"); | |
89 | current_fs = NULL; | |
90 | return; | |
91 | } | |
92 | current_fs->default_bitmap_type = EXT2FS_BMAP64_RBTREE; | |
93 | ||
94 | if (catastrophic) | |
95 | com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps"); | |
96 | else { | |
97 | retval = ext2fs_read_inode_bitmap(current_fs); | |
98 | if (retval) { | |
99 | com_err(device, retval, "while reading inode bitmap"); | |
100 | goto errout; | |
101 | } | |
102 | retval = ext2fs_read_block_bitmap(current_fs); | |
103 | if (retval) { | |
104 | com_err(device, retval, "while reading block bitmap"); | |
105 | goto errout; | |
106 | } | |
107 | } | |
108 | ||
109 | if (data_io) { | |
110 | retval = ext2fs_set_data_io(current_fs, data_io); | |
111 | if (retval) { | |
112 | com_err(device, retval, | |
113 | "while setting data source"); | |
114 | goto errout; | |
115 | } | |
116 | } | |
117 | ||
118 | root = cwd = EXT2_ROOT_INO; | |
119 | return; | |
120 | ||
121 | errout: | |
122 | retval = ext2fs_close(current_fs); | |
123 | if (retval) | |
124 | com_err(device, retval, "while trying to close filesystem"); | |
125 | current_fs = NULL; | |
126 | } | |
127 | ||
128 | void do_open_filesys(int argc, char **argv) | |
129 | { | |
130 | int c, err; | |
131 | int catastrophic = 0; | |
132 | blk64_t superblock = 0; | |
133 | blk64_t blocksize = 0; | |
134 | int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS; | |
135 | char *data_filename = 0; | |
136 | ||
137 | reset_getopt(); | |
138 | while ((c = getopt (argc, argv, "iwfecb:s:d:D")) != EOF) { | |
139 | switch (c) { | |
140 | case 'i': | |
141 | open_flags |= EXT2_FLAG_IMAGE_FILE; | |
142 | break; | |
143 | case 'w': | |
144 | #ifdef READ_ONLY | |
145 | goto print_usage; | |
146 | #else | |
147 | open_flags |= EXT2_FLAG_RW; | |
148 | #endif /* READ_ONLY */ | |
149 | break; | |
150 | case 'f': | |
151 | open_flags |= EXT2_FLAG_FORCE; | |
152 | break; | |
153 | case 'e': | |
154 | open_flags |= EXT2_FLAG_EXCLUSIVE; | |
155 | break; | |
156 | case 'c': | |
157 | catastrophic = 1; | |
158 | break; | |
159 | case 'd': | |
160 | data_filename = optarg; | |
161 | break; | |
162 | case 'D': | |
163 | open_flags |= EXT2_FLAG_DIRECT_IO; | |
164 | break; | |
165 | case 'b': | |
166 | blocksize = parse_ulong(optarg, argv[0], | |
167 | "block size", &err); | |
168 | if (err) | |
169 | return; | |
170 | break; | |
171 | case 's': | |
172 | superblock = parse_ulong(optarg, argv[0], | |
173 | "superblock number", &err); | |
174 | if (err) | |
175 | return; | |
176 | break; | |
177 | default: | |
178 | goto print_usage; | |
179 | } | |
180 | } | |
181 | if (optind != argc-1) { | |
182 | goto print_usage; | |
183 | } | |
184 | if (check_fs_not_open(argv[0])) | |
185 | return; | |
186 | open_filesystem(argv[optind], open_flags, | |
187 | superblock, blocksize, catastrophic, | |
188 | data_filename); | |
189 | return; | |
190 | ||
191 | print_usage: | |
192 | fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] [-c] " | |
193 | #ifndef READ_ONLY | |
194 | "[-w] " | |
195 | #endif | |
196 | "<device>\n", argv[0]); | |
197 | } | |
198 | ||
199 | void do_lcd(int argc, char **argv) | |
200 | { | |
201 | if (argc != 2) { | |
202 | com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>"); | |
203 | return; | |
204 | } | |
205 | ||
206 | if (chdir(argv[1]) == -1) { | |
207 | com_err(argv[0], errno, | |
208 | "while trying to change native directory to %s", | |
209 | argv[1]); | |
210 | return; | |
211 | } | |
212 | } | |
213 | ||
214 | static void close_filesystem(NOARGS) | |
215 | { | |
216 | int retval; | |
217 | ||
218 | if (current_fs->flags & EXT2_FLAG_IB_DIRTY) { | |
219 | retval = ext2fs_write_inode_bitmap(current_fs); | |
220 | if (retval) | |
221 | com_err("ext2fs_write_inode_bitmap", retval, 0); | |
222 | } | |
223 | if (current_fs->flags & EXT2_FLAG_BB_DIRTY) { | |
224 | retval = ext2fs_write_block_bitmap(current_fs); | |
225 | if (retval) | |
226 | com_err("ext2fs_write_block_bitmap", retval, 0); | |
227 | } | |
228 | retval = ext2fs_close(current_fs); | |
229 | if (retval) | |
230 | com_err("ext2fs_close", retval, 0); | |
231 | current_fs = NULL; | |
232 | return; | |
233 | } | |
234 | ||
235 | void do_close_filesys(int argc, char **argv) | |
236 | { | |
237 | int c; | |
238 | ||
239 | if (check_fs_open(argv[0])) | |
240 | return; | |
241 | ||
242 | reset_getopt(); | |
243 | while ((c = getopt (argc, argv, "a")) != EOF) { | |
244 | switch (c) { | |
245 | case 'a': | |
246 | current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY; | |
247 | break; | |
248 | default: | |
249 | goto print_usage; | |
250 | } | |
251 | } | |
252 | ||
253 | if (argc > optind) { | |
254 | print_usage: | |
255 | com_err(0, 0, "Usage: close_filesys [-a]"); | |
256 | return; | |
257 | } | |
258 | ||
259 | close_filesystem(); | |
260 | } | |
261 | ||
262 | #ifndef READ_ONLY | |
263 | void do_init_filesys(int argc, char **argv) | |
264 | { | |
265 | struct ext2_super_block param; | |
266 | errcode_t retval; | |
267 | int err; | |
268 | ||
269 | if (common_args_process(argc, argv, 3, 3, "initialize", | |
270 | "<device> <blocksize>", CHECK_FS_NOTOPEN)) | |
271 | return; | |
272 | ||
273 | memset(¶m, 0, sizeof(struct ext2_super_block)); | |
274 | ext2fs_blocks_count_set(¶m, parse_ulong(argv[2], argv[0], | |
275 | "blocks count", &err)); | |
276 | if (err) | |
277 | return; | |
278 | retval = ext2fs_initialize(argv[1], 0, ¶m, | |
279 | unix_io_manager, ¤t_fs); | |
280 | if (retval) { | |
281 | com_err(argv[1], retval, "while initializing filesystem"); | |
282 | current_fs = NULL; | |
283 | return; | |
284 | } | |
285 | root = cwd = EXT2_ROOT_INO; | |
286 | return; | |
287 | } | |
288 | ||
289 | static void print_features(struct ext2_super_block * s, FILE *f) | |
290 | { | |
291 | int i, j, printed=0; | |
292 | __u32 *mask = &s->s_feature_compat, m; | |
293 | ||
294 | fputs("Filesystem features:", f); | |
295 | for (i=0; i <3; i++,mask++) { | |
296 | for (j=0,m=1; j < 32; j++, m<<=1) { | |
297 | if (*mask & m) { | |
298 | fprintf(f, " %s", e2p_feature2string(i, m)); | |
299 | printed++; | |
300 | } | |
301 | } | |
302 | } | |
303 | if (printed == 0) | |
304 | fputs("(none)", f); | |
305 | fputs("\n", f); | |
306 | } | |
307 | #endif /* READ_ONLY */ | |
308 | ||
309 | static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask, | |
310 | const char *str, int *first, FILE *f) | |
311 | { | |
312 | if (ext2fs_bg_flags_test(fs, group, mask)) { | |
313 | if (*first) { | |
314 | fputs(" [", f); | |
315 | *first = 0; | |
316 | } else | |
317 | fputs(", ", f); | |
318 | fputs(str, f); | |
319 | } | |
320 | } | |
321 | ||
322 | void do_show_super_stats(int argc, char *argv[]) | |
323 | { | |
324 | const char *units ="block"; | |
325 | dgrp_t i; | |
326 | FILE *out; | |
327 | int c, header_only = 0; | |
328 | int numdirs = 0, first, gdt_csum; | |
329 | ||
330 | reset_getopt(); | |
331 | while ((c = getopt (argc, argv, "h")) != EOF) { | |
332 | switch (c) { | |
333 | case 'h': | |
334 | header_only++; | |
335 | break; | |
336 | default: | |
337 | goto print_usage; | |
338 | } | |
339 | } | |
340 | if (optind != argc) { | |
341 | goto print_usage; | |
342 | } | |
343 | if (check_fs_open(argv[0])) | |
344 | return; | |
345 | out = open_pager(); | |
346 | ||
347 | if (EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super, | |
348 | EXT4_FEATURE_RO_COMPAT_BIGALLOC)) | |
349 | units = "cluster"; | |
350 | ||
351 | list_super2(current_fs->super, out); | |
352 | for (i=0; i < current_fs->group_desc_count; i++) | |
353 | numdirs += ext2fs_bg_used_dirs_count(current_fs, i); | |
354 | fprintf(out, "Directories: %d\n", numdirs); | |
355 | ||
356 | if (header_only) { | |
357 | close_pager(out); | |
358 | return; | |
359 | } | |
360 | ||
361 | gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super, | |
362 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM); | |
363 | for (i = 0; i < current_fs->group_desc_count; i++) { | |
364 | fprintf(out, " Group %2d: block bitmap at %llu, " | |
365 | "inode bitmap at %llu, " | |
366 | "inode table at %llu\n" | |
367 | " %u free %s%s, " | |
368 | "%u free %s, " | |
369 | "%u used %s%s", | |
370 | i, ext2fs_block_bitmap_loc(current_fs, i), | |
371 | ext2fs_inode_bitmap_loc(current_fs, i), | |
372 | ext2fs_inode_table_loc(current_fs, i), | |
373 | ext2fs_bg_free_blocks_count(current_fs, i), units, | |
374 | ext2fs_bg_free_blocks_count(current_fs, i) != 1 ? | |
375 | "s" : "", | |
376 | ext2fs_bg_free_inodes_count(current_fs, i), | |
377 | ext2fs_bg_free_inodes_count(current_fs, i) != 1 ? | |
378 | "inodes" : "inode", | |
379 | ext2fs_bg_used_dirs_count(current_fs, i), | |
380 | ext2fs_bg_used_dirs_count(current_fs, i) != 1 ? "directories" | |
381 | : "directory", gdt_csum ? ", " : "\n"); | |
382 | if (gdt_csum) | |
383 | fprintf(out, "%u unused %s\n", | |
384 | ext2fs_bg_itable_unused(current_fs, i), | |
385 | ext2fs_bg_itable_unused(current_fs, i) != 1 ? | |
386 | "inodes" : "inode"); | |
387 | first = 1; | |
388 | print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init", | |
389 | &first, out); | |
390 | print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init", | |
391 | &first, out); | |
392 | if (gdt_csum) { | |
393 | fprintf(out, "%sChecksum 0x%04x", | |
394 | first ? " [":", ", ext2fs_bg_checksum(current_fs, i)); | |
395 | first = 0; | |
396 | } | |
397 | if (!first) | |
398 | fputs("]\n", out); | |
399 | } | |
400 | close_pager(out); | |
401 | return; | |
402 | print_usage: | |
403 | fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]); | |
404 | } | |
405 | ||
406 | #ifndef READ_ONLY | |
407 | void do_dirty_filesys(int argc EXT2FS_ATTR((unused)), | |
408 | char **argv EXT2FS_ATTR((unused))) | |
409 | { | |
410 | if (check_fs_open(argv[0])) | |
411 | return; | |
412 | if (check_fs_read_write(argv[0])) | |
413 | return; | |
414 | ||
415 | if (argv[1] && !strcmp(argv[1], "-clean")) | |
416 | current_fs->super->s_state |= EXT2_VALID_FS; | |
417 | else | |
418 | current_fs->super->s_state &= ~EXT2_VALID_FS; | |
419 | ext2fs_mark_super_dirty(current_fs); | |
420 | } | |
421 | #endif /* READ_ONLY */ | |
422 | ||
423 | struct list_blocks_struct { | |
424 | FILE *f; | |
425 | e2_blkcnt_t total; | |
426 | blk64_t first_block, last_block; | |
427 | e2_blkcnt_t first_bcnt, last_bcnt; | |
428 | e2_blkcnt_t first; | |
429 | }; | |
430 | ||
431 | static void finish_range(struct list_blocks_struct *lb) | |
432 | { | |
433 | if (lb->first_block == 0) | |
434 | return; | |
435 | if (lb->first) | |
436 | lb->first = 0; | |
437 | else | |
438 | fprintf(lb->f, ", "); | |
439 | if (lb->first_block == lb->last_block) | |
440 | fprintf(lb->f, "(%lld):%llu", | |
441 | (long long)lb->first_bcnt, lb->first_block); | |
442 | else | |
443 | fprintf(lb->f, "(%lld-%lld):%llu-%llu", | |
444 | (long long)lb->first_bcnt, (long long)lb->last_bcnt, | |
445 | lb->first_block, lb->last_block); | |
446 | lb->first_block = 0; | |
447 | } | |
448 | ||
449 | static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)), | |
450 | blk64_t *blocknr, e2_blkcnt_t blockcnt, | |
451 | blk64_t ref_block EXT2FS_ATTR((unused)), | |
452 | int ref_offset EXT2FS_ATTR((unused)), | |
453 | void *private) | |
454 | { | |
455 | struct list_blocks_struct *lb = (struct list_blocks_struct *) private; | |
456 | ||
457 | lb->total++; | |
458 | if (blockcnt >= 0) { | |
459 | /* | |
460 | * See if we can add on to the existing range (if it exists) | |
461 | */ | |
462 | if (lb->first_block && | |
463 | (lb->last_block+1 == *blocknr) && | |
464 | (lb->last_bcnt+1 == blockcnt)) { | |
465 | lb->last_block = *blocknr; | |
466 | lb->last_bcnt = blockcnt; | |
467 | return 0; | |
468 | } | |
469 | /* | |
470 | * Start a new range. | |
471 | */ | |
472 | finish_range(lb); | |
473 | lb->first_block = lb->last_block = *blocknr; | |
474 | lb->first_bcnt = lb->last_bcnt = blockcnt; | |
475 | return 0; | |
476 | } | |
477 | /* | |
478 | * Not a normal block. Always force a new range. | |
479 | */ | |
480 | finish_range(lb); | |
481 | if (lb->first) | |
482 | lb->first = 0; | |
483 | else | |
484 | fprintf(lb->f, ", "); | |
485 | if (blockcnt == -1) | |
486 | fprintf(lb->f, "(IND):%llu", (unsigned long long) *blocknr); | |
487 | else if (blockcnt == -2) | |
488 | fprintf(lb->f, "(DIND):%llu", (unsigned long long) *blocknr); | |
489 | else if (blockcnt == -3) | |
490 | fprintf(lb->f, "(TIND):%llu", (unsigned long long) *blocknr); | |
491 | return 0; | |
492 | } | |
493 | ||
494 | static void dump_xattr_string(FILE *out, const char *str, int len) | |
495 | { | |
496 | int printable = 0; | |
497 | int i; | |
498 | ||
499 | /* check: is string "printable enough?" */ | |
500 | for (i = 0; i < len; i++) | |
501 | if (isprint(str[i])) | |
502 | printable++; | |
503 | ||
504 | if (printable <= len*7/8) | |
505 | printable = 0; | |
506 | ||
507 | for (i = 0; i < len; i++) | |
508 | if (printable) | |
509 | fprintf(out, isprint(str[i]) ? "%c" : "\\%03o", | |
510 | (unsigned char)str[i]); | |
511 | else | |
512 | fprintf(out, "%02x ", (unsigned char)str[i]); | |
513 | } | |
514 | ||
515 | static void internal_dump_inode_extra(FILE *out, | |
516 | const char *prefix EXT2FS_ATTR((unused)), | |
517 | ext2_ino_t inode_num EXT2FS_ATTR((unused)), | |
518 | struct ext2_inode_large *inode) | |
519 | { | |
520 | struct ext2_ext_attr_entry *entry; | |
521 | __u32 *magic; | |
522 | char *start, *end; | |
523 | unsigned int storage_size; | |
524 | ||
525 | fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize); | |
526 | if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) - | |
527 | EXT2_GOOD_OLD_INODE_SIZE) { | |
528 | fprintf(stderr, "invalid inode->i_extra_isize (%u)\n", | |
529 | inode->i_extra_isize); | |
530 | return; | |
531 | } | |
532 | storage_size = EXT2_INODE_SIZE(current_fs->super) - | |
533 | EXT2_GOOD_OLD_INODE_SIZE - | |
534 | inode->i_extra_isize; | |
535 | magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE + | |
536 | inode->i_extra_isize); | |
537 | if (*magic == EXT2_EXT_ATTR_MAGIC) { | |
538 | fprintf(out, "Extended attributes stored in inode body: \n"); | |
539 | end = (char *) inode + EXT2_INODE_SIZE(current_fs->super); | |
540 | start = (char *) magic + sizeof(__u32); | |
541 | entry = (struct ext2_ext_attr_entry *) start; | |
542 | while (!EXT2_EXT_IS_LAST_ENTRY(entry)) { | |
543 | struct ext2_ext_attr_entry *next = | |
544 | EXT2_EXT_ATTR_NEXT(entry); | |
545 | if (entry->e_value_size > storage_size || | |
546 | (char *) next >= end) { | |
547 | fprintf(out, "invalid EA entry in inode\n"); | |
548 | return; | |
549 | } | |
550 | fprintf(out, " "); | |
551 | dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry), | |
552 | entry->e_name_len); | |
553 | fprintf(out, " = \""); | |
554 | dump_xattr_string(out, start + entry->e_value_offs, | |
555 | entry->e_value_size); | |
556 | fprintf(out, "\" (%u)\n", entry->e_value_size); | |
557 | entry = next; | |
558 | } | |
559 | } | |
560 | } | |
561 | ||
562 | static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode) | |
563 | { | |
564 | struct list_blocks_struct lb; | |
565 | ||
566 | fprintf(f, "%sBLOCKS:\n%s", prefix, prefix); | |
567 | lb.total = 0; | |
568 | lb.first_block = 0; | |
569 | lb.f = f; | |
570 | lb.first = 1; | |
571 | ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL, | |
572 | list_blocks_proc, (void *)&lb); | |
573 | finish_range(&lb); | |
574 | if (lb.total) | |
575 | fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total); | |
576 | fprintf(f,"\n"); | |
577 | } | |
578 | ||
579 | static int int_log10(unsigned long long arg) | |
580 | { | |
581 | int l = 0; | |
582 | ||
583 | arg = arg / 10; | |
584 | while (arg) { | |
585 | l++; | |
586 | arg = arg / 10; | |
587 | } | |
588 | return l; | |
589 | } | |
590 | ||
591 | #define DUMP_LEAF_EXTENTS 0x01 | |
592 | #define DUMP_NODE_EXTENTS 0x02 | |
593 | #define DUMP_EXTENT_TABLE 0x04 | |
594 | ||
595 | static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino, | |
596 | int flags, int logical_width, int physical_width) | |
597 | { | |
598 | ext2_extent_handle_t handle; | |
599 | struct ext2fs_extent extent; | |
600 | struct ext2_extent_info info; | |
601 | int op = EXT2_EXTENT_ROOT; | |
602 | unsigned int printed = 0; | |
603 | errcode_t errcode; | |
604 | ||
605 | errcode = ext2fs_extent_open(current_fs, ino, &handle); | |
606 | if (errcode) | |
607 | return; | |
608 | ||
609 | if (flags & DUMP_EXTENT_TABLE) | |
610 | fprintf(f, "Level Entries %*s %*s Length Flags\n", | |
611 | (logical_width*2)+3, "Logical", | |
612 | (physical_width*2)+3, "Physical"); | |
613 | else | |
614 | fprintf(f, "%sEXTENTS:\n%s", prefix, prefix); | |
615 | ||
616 | while (1) { | |
617 | errcode = ext2fs_extent_get(handle, op, &extent); | |
618 | ||
619 | if (errcode) | |
620 | break; | |
621 | ||
622 | op = EXT2_EXTENT_NEXT; | |
623 | ||
624 | if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT) | |
625 | continue; | |
626 | ||
627 | if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) { | |
628 | if ((flags & DUMP_LEAF_EXTENTS) == 0) | |
629 | continue; | |
630 | } else { | |
631 | if ((flags & DUMP_NODE_EXTENTS) == 0) | |
632 | continue; | |
633 | } | |
634 | ||
635 | errcode = ext2fs_extent_get_info(handle, &info); | |
636 | if (errcode) | |
637 | continue; | |
638 | ||
639 | if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) { | |
640 | if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT) | |
641 | continue; | |
642 | ||
643 | if (flags & DUMP_EXTENT_TABLE) { | |
644 | fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu " | |
645 | "%*llu%*s %6u\n", | |
646 | info.curr_level, info.max_depth, | |
647 | info.curr_entry, info.num_entries, | |
648 | logical_width, | |
649 | extent.e_lblk, | |
650 | logical_width, | |
651 | extent.e_lblk + (extent.e_len - 1), | |
652 | physical_width, | |
653 | extent.e_pblk, | |
654 | physical_width+3, "", extent.e_len); | |
655 | continue; | |
656 | } | |
657 | ||
658 | fprintf(f, "%s(ETB%d):%lld", | |
659 | printed ? ", " : "", info.curr_level, | |
660 | extent.e_pblk); | |
661 | printed = 1; | |
662 | continue; | |
663 | } | |
664 | ||
665 | if (flags & DUMP_EXTENT_TABLE) { | |
666 | fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu " | |
667 | "%*llu - %*llu %6u %s\n", | |
668 | info.curr_level, info.max_depth, | |
669 | info.curr_entry, info.num_entries, | |
670 | logical_width, | |
671 | extent.e_lblk, | |
672 | logical_width, | |
673 | extent.e_lblk + (extent.e_len - 1), | |
674 | physical_width, | |
675 | extent.e_pblk, | |
676 | physical_width, | |
677 | extent.e_pblk + (extent.e_len - 1), | |
678 | extent.e_len, | |
679 | extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ? | |
680 | "Uninit" : ""); | |
681 | continue; | |
682 | } | |
683 | ||
684 | if (extent.e_len == 0) | |
685 | continue; | |
686 | else if (extent.e_len == 1) | |
687 | fprintf(f, | |
688 | "%s(%lld%s):%lld", | |
689 | printed ? ", " : "", | |
690 | extent.e_lblk, | |
691 | extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ? | |
692 | "[u]" : "", | |
693 | extent.e_pblk); | |
694 | else | |
695 | fprintf(f, | |
696 | "%s(%lld-%lld%s):%lld-%lld", | |
697 | printed ? ", " : "", | |
698 | extent.e_lblk, | |
699 | extent.e_lblk + (extent.e_len - 1), | |
700 | extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ? | |
701 | "[u]" : "", | |
702 | extent.e_pblk, | |
703 | extent.e_pblk + (extent.e_len - 1)); | |
704 | printed = 1; | |
705 | } | |
706 | if (printed) | |
707 | fprintf(f, "\n"); | |
708 | } | |
709 | ||
710 | void internal_dump_inode(FILE *out, const char *prefix, | |
711 | ext2_ino_t inode_num, struct ext2_inode *inode, | |
712 | int do_dump_blocks) | |
713 | { | |
714 | const char *i_type; | |
715 | char frag, fsize; | |
716 | int os = current_fs->super->s_creator_os; | |
717 | struct ext2_inode_large *large_inode; | |
718 | int is_large_inode = 0; | |
719 | ||
720 | if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE) | |
721 | is_large_inode = 1; | |
722 | large_inode = (struct ext2_inode_large *) inode; | |
723 | ||
724 | if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory"; | |
725 | else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular"; | |
726 | else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink"; | |
727 | else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special"; | |
728 | else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special"; | |
729 | else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO"; | |
730 | else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket"; | |
731 | else i_type = "bad type"; | |
732 | fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type); | |
733 | fprintf(out, "%sMode: %04o Flags: 0x%x\n", | |
734 | prefix, inode->i_mode & 0777, inode->i_flags); | |
735 | if (is_large_inode && large_inode->i_extra_isize >= 24) { | |
736 | fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n", | |
737 | prefix, inode->i_generation, large_inode->i_version_hi, | |
738 | inode->osd1.linux1.l_i_version); | |
739 | } else { | |
740 | fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix, | |
741 | inode->i_generation, inode->osd1.linux1.l_i_version); | |
742 | } | |
743 | fprintf(out, "%sUser: %5d Group: %5d Size: ", | |
744 | prefix, inode_uid(*inode), inode_gid(*inode)); | |
745 | if (LINUX_S_ISREG(inode->i_mode)) | |
746 | fprintf(out, "%llu\n", EXT2_I_SIZE(inode)); | |
747 | else | |
748 | fprintf(out, "%d\n", inode->i_size); | |
749 | if (os == EXT2_OS_HURD) | |
750 | fprintf(out, | |
751 | "%sFile ACL: %d Directory ACL: %d Translator: %d\n", | |
752 | prefix, | |
753 | inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0, | |
754 | inode->osd1.hurd1.h_i_translator); | |
755 | else | |
756 | fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n", | |
757 | prefix, | |
758 | inode->i_file_acl | ((long long) | |
759 | (inode->osd2.linux2.l_i_file_acl_high) << 32), | |
760 | LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0); | |
761 | if (os == EXT2_OS_LINUX) | |
762 | fprintf(out, "%sLinks: %d Blockcount: %llu\n", | |
763 | prefix, inode->i_links_count, | |
764 | (((unsigned long long) | |
765 | inode->osd2.linux2.l_i_blocks_hi << 32)) + | |
766 | inode->i_blocks); | |
767 | else | |
768 | fprintf(out, "%sLinks: %d Blockcount: %u\n", | |
769 | prefix, inode->i_links_count, inode->i_blocks); | |
770 | switch (os) { | |
771 | case EXT2_OS_HURD: | |
772 | frag = inode->osd2.hurd2.h_i_frag; | |
773 | fsize = inode->osd2.hurd2.h_i_fsize; | |
774 | break; | |
775 | default: | |
776 | frag = fsize = 0; | |
777 | } | |
778 | fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n", | |
779 | prefix, inode->i_faddr, frag, fsize); | |
780 | if (is_large_inode && large_inode->i_extra_isize >= 24) { | |
781 | fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix, | |
782 | inode->i_ctime, large_inode->i_ctime_extra, | |
783 | time_to_string(inode->i_ctime)); | |
784 | fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix, | |
785 | inode->i_atime, large_inode->i_atime_extra, | |
786 | time_to_string(inode->i_atime)); | |
787 | fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix, | |
788 | inode->i_mtime, large_inode->i_mtime_extra, | |
789 | time_to_string(inode->i_mtime)); | |
790 | fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix, | |
791 | large_inode->i_crtime, large_inode->i_crtime_extra, | |
792 | time_to_string(large_inode->i_crtime)); | |
793 | } else { | |
794 | fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime, | |
795 | time_to_string(inode->i_ctime)); | |
796 | fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime, | |
797 | time_to_string(inode->i_atime)); | |
798 | fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime, | |
799 | time_to_string(inode->i_mtime)); | |
800 | } | |
801 | if (inode->i_dtime) | |
802 | fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime, | |
803 | time_to_string(inode->i_dtime)); | |
804 | if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE) | |
805 | internal_dump_inode_extra(out, prefix, inode_num, | |
806 | (struct ext2_inode_large *) inode); | |
807 | if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0) | |
808 | fprintf(out, "%sFast_link_dest: %.*s\n", prefix, | |
809 | (int) inode->i_size, (char *)inode->i_block); | |
810 | else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) { | |
811 | int major, minor; | |
812 | const char *devnote; | |
813 | ||
814 | if (inode->i_block[0]) { | |
815 | major = (inode->i_block[0] >> 8) & 255; | |
816 | minor = inode->i_block[0] & 255; | |
817 | devnote = ""; | |
818 | } else { | |
819 | major = (inode->i_block[1] & 0xfff00) >> 8; | |
820 | minor = ((inode->i_block[1] & 0xff) | | |
821 | ((inode->i_block[1] >> 12) & 0xfff00)); | |
822 | devnote = "(New-style) "; | |
823 | } | |
824 | fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n", | |
825 | devnote, major, minor, major, minor); | |
826 | } else if (do_dump_blocks) { | |
827 | if (inode->i_flags & EXT4_EXTENTS_FL) | |
828 | dump_extents(out, prefix, inode_num, | |
829 | DUMP_LEAF_EXTENTS|DUMP_NODE_EXTENTS, 0, 0); | |
830 | else | |
831 | dump_blocks(out, prefix, inode_num); | |
832 | } | |
833 | } | |
834 | ||
835 | static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode) | |
836 | { | |
837 | FILE *out; | |
838 | ||
839 | out = open_pager(); | |
840 | internal_dump_inode(out, "", inode_num, inode, 1); | |
841 | close_pager(out); | |
842 | } | |
843 | ||
844 | void do_stat(int argc, char *argv[]) | |
845 | { | |
846 | ext2_ino_t inode; | |
847 | struct ext2_inode * inode_buf; | |
848 | ||
849 | if (check_fs_open(argv[0])) | |
850 | return; | |
851 | ||
852 | inode_buf = (struct ext2_inode *) | |
853 | malloc(EXT2_INODE_SIZE(current_fs->super)); | |
854 | if (!inode_buf) { | |
855 | fprintf(stderr, "do_stat: can't allocate buffer\n"); | |
856 | return; | |
857 | } | |
858 | ||
859 | if (common_inode_args_process(argc, argv, &inode, 0)) { | |
860 | free(inode_buf); | |
861 | return; | |
862 | } | |
863 | ||
864 | if (debugfs_read_inode_full(inode, inode_buf, argv[0], | |
865 | EXT2_INODE_SIZE(current_fs->super))) { | |
866 | free(inode_buf); | |
867 | return; | |
868 | } | |
869 | ||
870 | dump_inode(inode, inode_buf); | |
871 | free(inode_buf); | |
872 | return; | |
873 | } | |
874 | ||
875 | void do_dump_extents(int argc, char **argv) | |
876 | { | |
877 | struct ext2_inode inode; | |
878 | ext2_ino_t ino; | |
879 | FILE *out; | |
880 | int c, flags = 0; | |
881 | int logical_width; | |
882 | int physical_width; | |
883 | ||
884 | reset_getopt(); | |
885 | while ((c = getopt(argc, argv, "nl")) != EOF) { | |
886 | switch (c) { | |
887 | case 'n': | |
888 | flags |= DUMP_NODE_EXTENTS; | |
889 | break; | |
890 | case 'l': | |
891 | flags |= DUMP_LEAF_EXTENTS; | |
892 | break; | |
893 | } | |
894 | } | |
895 | ||
896 | if (argc != optind + 1) { | |
897 | com_err(0, 0, "Usage: dump_extents [-n] [-l] file"); | |
898 | return; | |
899 | } | |
900 | ||
901 | if (flags == 0) | |
902 | flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS; | |
903 | flags |= DUMP_EXTENT_TABLE; | |
904 | ||
905 | if (check_fs_open(argv[0])) | |
906 | return; | |
907 | ||
908 | ino = string_to_inode(argv[optind]); | |
909 | if (ino == 0) | |
910 | return; | |
911 | ||
912 | if (debugfs_read_inode(ino, &inode, argv[0])) | |
913 | return; | |
914 | ||
915 | if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) { | |
916 | fprintf(stderr, "%s: does not uses extent block maps\n", | |
917 | argv[optind]); | |
918 | return; | |
919 | } | |
920 | ||
921 | logical_width = int_log10((EXT2_I_SIZE(&inode)+current_fs->blocksize-1)/ | |
922 | current_fs->blocksize) + 1; | |
923 | if (logical_width < 5) | |
924 | logical_width = 5; | |
925 | physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1; | |
926 | if (physical_width < 5) | |
927 | physical_width = 5; | |
928 | ||
929 | out = open_pager(); | |
930 | dump_extents(out, "", ino, flags, logical_width, physical_width); | |
931 | close_pager(out); | |
932 | return; | |
933 | } | |
934 | ||
935 | static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)), | |
936 | blk64_t *blocknr, | |
937 | e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), | |
938 | blk64_t ref_block EXT2FS_ATTR((unused)), | |
939 | int ref_offset EXT2FS_ATTR((unused)), | |
940 | void *private EXT2FS_ATTR((unused))) | |
941 | { | |
942 | printf("%llu ", *blocknr); | |
943 | return 0; | |
944 | } | |
945 | ||
946 | void do_blocks(int argc, char *argv[]) | |
947 | { | |
948 | ext2_ino_t inode; | |
949 | ||
950 | if (check_fs_open(argv[0])) | |
951 | return; | |
952 | ||
953 | if (common_inode_args_process(argc, argv, &inode, 0)) { | |
954 | return; | |
955 | } | |
956 | ||
957 | ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL, | |
958 | print_blocks_proc, NULL); | |
959 | fputc('\n', stdout); | |
960 | return; | |
961 | } | |
962 | ||
963 | void do_chroot(int argc, char *argv[]) | |
964 | { | |
965 | ext2_ino_t inode; | |
966 | int retval; | |
967 | ||
968 | if (common_inode_args_process(argc, argv, &inode, 0)) | |
969 | return; | |
970 | ||
971 | retval = ext2fs_check_directory(current_fs, inode); | |
972 | if (retval) { | |
973 | com_err(argv[1], retval, 0); | |
974 | return; | |
975 | } | |
976 | root = inode; | |
977 | } | |
978 | ||
979 | #ifndef READ_ONLY | |
980 | void do_clri(int argc, char *argv[]) | |
981 | { | |
982 | ext2_ino_t inode; | |
983 | struct ext2_inode inode_buf; | |
984 | ||
985 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW)) | |
986 | return; | |
987 | ||
988 | if (debugfs_read_inode(inode, &inode_buf, argv[0])) | |
989 | return; | |
990 | memset(&inode_buf, 0, sizeof(inode_buf)); | |
991 | if (debugfs_write_inode(inode, &inode_buf, argv[0])) | |
992 | return; | |
993 | } | |
994 | ||
995 | void do_freei(int argc, char *argv[]) | |
996 | { | |
997 | unsigned int len = 1; | |
998 | int err = 0; | |
999 | ext2_ino_t inode; | |
1000 | ||
1001 | if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]", | |
1002 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
1003 | return 1; | |
1004 | if (check_fs_read_write(argv[0])) | |
1005 | return; | |
1006 | ||
1007 | inode = string_to_inode(argv[1]); | |
1008 | if (!inode) | |
1009 | return; | |
1010 | ||
1011 | if (argc == 3) { | |
1012 | len = parse_ulong(argv[2], argv[0], "length", &err); | |
1013 | if (err) | |
1014 | return; | |
1015 | } | |
1016 | ||
1017 | if (len == 1 && | |
1018 | !ext2fs_test_inode_bitmap2(current_fs->inode_map,inode)) | |
1019 | com_err(argv[0], 0, "Warning: inode already clear"); | |
1020 | while (len-- > 0) | |
1021 | ext2fs_unmark_inode_bitmap2(current_fs->inode_map, inode); | |
1022 | ext2fs_mark_ib_dirty(current_fs); | |
1023 | } | |
1024 | ||
1025 | void do_seti(int argc, char *argv[]) | |
1026 | { | |
1027 | unsigned int len = 1; | |
1028 | int err = 0; | |
1029 | ext2_ino_t inode; | |
1030 | ||
1031 | if (common_args_process(argc, argv, 2, 3, argv[0], "<file> [num]", | |
1032 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
1033 | return; | |
1034 | if (check_fs_read_write(argv[0])) | |
1035 | return; | |
1036 | ||
1037 | inode = string_to_inode(argv[1]); | |
1038 | if (!inode) | |
1039 | return; | |
1040 | ||
1041 | if (argc == 3) { | |
1042 | len = parse_ulong(argv[2], argv[0], "length", &err); | |
1043 | if (err) | |
1044 | return; | |
1045 | } | |
1046 | ||
1047 | if ((len == 1) && | |
1048 | ext2fs_test_inode_bitmap2(current_fs->inode_map,inode)) | |
1049 | com_err(argv[0], 0, "Warning: inode already set"); | |
1050 | while (len-- > 0) | |
1051 | ext2fs_mark_inode_bitmap2(current_fs->inode_map, inode++); | |
1052 | ext2fs_mark_ib_dirty(current_fs); | |
1053 | } | |
1054 | #endif /* READ_ONLY */ | |
1055 | ||
1056 | void do_testi(int argc, char *argv[]) | |
1057 | { | |
1058 | ext2_ino_t inode; | |
1059 | ||
1060 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS)) | |
1061 | return; | |
1062 | ||
1063 | if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode)) | |
1064 | printf("Inode %u is marked in use\n", inode); | |
1065 | else | |
1066 | printf("Inode %u is not in use\n", inode); | |
1067 | } | |
1068 | ||
1069 | #ifndef READ_ONLY | |
1070 | void do_freeb(int argc, char *argv[]) | |
1071 | { | |
1072 | blk64_t block; | |
1073 | blk64_t count = 1; | |
1074 | ||
1075 | if (common_block_args_process(argc, argv, &block, &count)) | |
1076 | return; | |
1077 | if (check_fs_read_write(argv[0])) | |
1078 | return; | |
1079 | while (count-- > 0) { | |
1080 | if (!ext2fs_test_block_bitmap2(current_fs->block_map,block)) | |
1081 | com_err(argv[0], 0, "Warning: block %llu already clear", | |
1082 | block); | |
1083 | ext2fs_unmark_block_bitmap2(current_fs->block_map,block); | |
1084 | block++; | |
1085 | } | |
1086 | ext2fs_mark_bb_dirty(current_fs); | |
1087 | } | |
1088 | ||
1089 | void do_setb(int argc, char *argv[]) | |
1090 | { | |
1091 | blk64_t block; | |
1092 | blk64_t count = 1; | |
1093 | ||
1094 | if (common_block_args_process(argc, argv, &block, &count)) | |
1095 | return; | |
1096 | if (check_fs_read_write(argv[0])) | |
1097 | return; | |
1098 | while (count-- > 0) { | |
1099 | if (ext2fs_test_block_bitmap2(current_fs->block_map,block)) | |
1100 | com_err(argv[0], 0, "Warning: block %llu already set", | |
1101 | block); | |
1102 | ext2fs_mark_block_bitmap2(current_fs->block_map,block); | |
1103 | block++; | |
1104 | } | |
1105 | ext2fs_mark_bb_dirty(current_fs); | |
1106 | } | |
1107 | #endif /* READ_ONLY */ | |
1108 | ||
1109 | void do_testb(int argc, char *argv[]) | |
1110 | { | |
1111 | blk64_t block; | |
1112 | blk64_t count = 1; | |
1113 | ||
1114 | if (common_block_args_process(argc, argv, &block, &count)) | |
1115 | return; | |
1116 | while (count-- > 0) { | |
1117 | if (ext2fs_test_block_bitmap2(current_fs->block_map,block)) | |
1118 | printf("Block %llu marked in use\n", block); | |
1119 | else | |
1120 | printf("Block %llu not in use\n", block); | |
1121 | block++; | |
1122 | } | |
1123 | } | |
1124 | ||
1125 | #ifndef READ_ONLY | |
1126 | static void modify_u8(char *com, const char *prompt, | |
1127 | const char *format, __u8 *val) | |
1128 | { | |
1129 | char buf[200]; | |
1130 | unsigned long v; | |
1131 | char *tmp; | |
1132 | ||
1133 | sprintf(buf, format, *val); | |
1134 | printf("%30s [%s] ", prompt, buf); | |
1135 | if (!fgets(buf, sizeof(buf), stdin)) | |
1136 | return; | |
1137 | if (buf[strlen (buf) - 1] == '\n') | |
1138 | buf[strlen (buf) - 1] = '\0'; | |
1139 | if (!buf[0]) | |
1140 | return; | |
1141 | v = strtoul(buf, &tmp, 0); | |
1142 | if (*tmp) | |
1143 | com_err(com, 0, "Bad value - %s", buf); | |
1144 | else | |
1145 | *val = v; | |
1146 | } | |
1147 | ||
1148 | static void modify_u16(char *com, const char *prompt, | |
1149 | const char *format, __u16 *val) | |
1150 | { | |
1151 | char buf[200]; | |
1152 | unsigned long v; | |
1153 | char *tmp; | |
1154 | ||
1155 | sprintf(buf, format, *val); | |
1156 | printf("%30s [%s] ", prompt, buf); | |
1157 | if (!fgets(buf, sizeof(buf), stdin)) | |
1158 | return; | |
1159 | if (buf[strlen (buf) - 1] == '\n') | |
1160 | buf[strlen (buf) - 1] = '\0'; | |
1161 | if (!buf[0]) | |
1162 | return; | |
1163 | v = strtoul(buf, &tmp, 0); | |
1164 | if (*tmp) | |
1165 | com_err(com, 0, "Bad value - %s", buf); | |
1166 | else | |
1167 | *val = v; | |
1168 | } | |
1169 | ||
1170 | static void modify_u32(char *com, const char *prompt, | |
1171 | const char *format, __u32 *val) | |
1172 | { | |
1173 | char buf[200]; | |
1174 | unsigned long v; | |
1175 | char *tmp; | |
1176 | ||
1177 | sprintf(buf, format, *val); | |
1178 | printf("%30s [%s] ", prompt, buf); | |
1179 | if (!fgets(buf, sizeof(buf), stdin)) | |
1180 | return; | |
1181 | if (buf[strlen (buf) - 1] == '\n') | |
1182 | buf[strlen (buf) - 1] = '\0'; | |
1183 | if (!buf[0]) | |
1184 | return; | |
1185 | v = strtoul(buf, &tmp, 0); | |
1186 | if (*tmp) | |
1187 | com_err(com, 0, "Bad value - %s", buf); | |
1188 | else | |
1189 | *val = v; | |
1190 | } | |
1191 | ||
1192 | ||
1193 | void do_modify_inode(int argc, char *argv[]) | |
1194 | { | |
1195 | struct ext2_inode inode; | |
1196 | ext2_ino_t inode_num; | |
1197 | int i; | |
1198 | unsigned char *frag, *fsize; | |
1199 | char buf[80]; | |
1200 | int os; | |
1201 | const char *hex_format = "0x%x"; | |
1202 | const char *octal_format = "0%o"; | |
1203 | const char *decimal_format = "%d"; | |
1204 | const char *unsignedlong_format = "%lu"; | |
1205 | ||
1206 | if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW)) | |
1207 | return; | |
1208 | ||
1209 | os = current_fs->super->s_creator_os; | |
1210 | ||
1211 | if (debugfs_read_inode(inode_num, &inode, argv[1])) | |
1212 | return; | |
1213 | ||
1214 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); | |
1215 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
1216 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
1217 | modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size); | |
1218 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); | |
1219 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
1220 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
1221 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
1222 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
1223 | if (os == EXT2_OS_LINUX) | |
1224 | modify_u16(argv[0], "Block count high", unsignedlong_format, | |
1225 | &inode.osd2.linux2.l_i_blocks_hi); | |
1226 | modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks); | |
1227 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); | |
1228 | modify_u32(argv[0], "Generation", hex_format, &inode.i_generation); | |
1229 | #if 0 | |
1230 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
1231 | #endif | |
1232 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
1233 | if (LINUX_S_ISDIR(inode.i_mode)) | |
1234 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
1235 | else | |
1236 | modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high); | |
1237 | ||
1238 | if (os == EXT2_OS_HURD) | |
1239 | modify_u32(argv[0], "Translator Block", | |
1240 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
1241 | ||
1242 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); | |
1243 | switch (os) { | |
1244 | case EXT2_OS_HURD: | |
1245 | frag = &inode.osd2.hurd2.h_i_frag; | |
1246 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
1247 | break; | |
1248 | default: | |
1249 | frag = fsize = 0; | |
1250 | } | |
1251 | if (frag) | |
1252 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
1253 | if (fsize) | |
1254 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
1255 | ||
1256 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { | |
1257 | sprintf(buf, "Direct Block #%d", i); | |
1258 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); | |
1259 | } | |
1260 | modify_u32(argv[0], "Indirect Block", decimal_format, | |
1261 | &inode.i_block[EXT2_IND_BLOCK]); | |
1262 | modify_u32(argv[0], "Double Indirect Block", decimal_format, | |
1263 | &inode.i_block[EXT2_DIND_BLOCK]); | |
1264 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, | |
1265 | &inode.i_block[EXT2_TIND_BLOCK]); | |
1266 | if (debugfs_write_inode(inode_num, &inode, argv[1])) | |
1267 | return; | |
1268 | } | |
1269 | #endif /* READ_ONLY */ | |
1270 | ||
1271 | void do_change_working_dir(int argc, char *argv[]) | |
1272 | { | |
1273 | ext2_ino_t inode; | |
1274 | int retval; | |
1275 | ||
1276 | if (common_inode_args_process(argc, argv, &inode, 0)) | |
1277 | return; | |
1278 | ||
1279 | retval = ext2fs_check_directory(current_fs, inode); | |
1280 | if (retval) { | |
1281 | com_err(argv[1], retval, 0); | |
1282 | return; | |
1283 | } | |
1284 | cwd = inode; | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | void do_print_working_directory(int argc, char *argv[]) | |
1289 | { | |
1290 | int retval; | |
1291 | char *pathname = NULL; | |
1292 | ||
1293 | if (common_args_process(argc, argv, 1, 1, | |
1294 | "print_working_directory", "", 0)) | |
1295 | return; | |
1296 | ||
1297 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); | |
1298 | if (retval) { | |
1299 | com_err(argv[0], retval, | |
1300 | "while trying to get pathname of cwd"); | |
1301 | } | |
1302 | printf("[pwd] INODE: %6u PATH: %s\n", | |
1303 | cwd, pathname ? pathname : "NULL"); | |
1304 | if (pathname) { | |
1305 | free(pathname); | |
1306 | pathname = NULL; | |
1307 | } | |
1308 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); | |
1309 | if (retval) { | |
1310 | com_err(argv[0], retval, | |
1311 | "while trying to get pathname of root"); | |
1312 | } | |
1313 | printf("[root] INODE: %6u PATH: %s\n", | |
1314 | root, pathname ? pathname : "NULL"); | |
1315 | if (pathname) { | |
1316 | free(pathname); | |
1317 | pathname = NULL; | |
1318 | } | |
1319 | return; | |
1320 | } | |
1321 | ||
1322 | #ifndef READ_ONLY | |
1323 | static void make_link(char *sourcename, char *destname) | |
1324 | { | |
1325 | ext2_ino_t ino; | |
1326 | struct ext2_inode inode; | |
1327 | int retval; | |
1328 | ext2_ino_t dir; | |
1329 | char *dest, *cp, *base_name; | |
1330 | ||
1331 | /* | |
1332 | * Get the source inode | |
1333 | */ | |
1334 | ino = string_to_inode(sourcename); | |
1335 | if (!ino) | |
1336 | return; | |
1337 | base_name = strrchr(sourcename, '/'); | |
1338 | if (base_name) | |
1339 | base_name++; | |
1340 | else | |
1341 | base_name = sourcename; | |
1342 | /* | |
1343 | * Figure out the destination. First see if it exists and is | |
1344 | * a directory. | |
1345 | */ | |
1346 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) | |
1347 | dest = base_name; | |
1348 | else { | |
1349 | /* | |
1350 | * OK, it doesn't exist. See if it is | |
1351 | * '<dir>/basename' or 'basename' | |
1352 | */ | |
1353 | cp = strrchr(destname, '/'); | |
1354 | if (cp) { | |
1355 | *cp = 0; | |
1356 | dir = string_to_inode(destname); | |
1357 | if (!dir) | |
1358 | return; | |
1359 | dest = cp+1; | |
1360 | } else { | |
1361 | dir = cwd; | |
1362 | dest = destname; | |
1363 | } | |
1364 | } | |
1365 | ||
1366 | if (debugfs_read_inode(ino, &inode, sourcename)) | |
1367 | return; | |
1368 | ||
1369 | retval = ext2fs_link(current_fs, dir, dest, ino, | |
1370 | ext2_file_type(inode.i_mode)); | |
1371 | if (retval) | |
1372 | com_err("make_link", retval, 0); | |
1373 | return; | |
1374 | } | |
1375 | ||
1376 | ||
1377 | void do_link(int argc, char *argv[]) | |
1378 | { | |
1379 | if (common_args_process(argc, argv, 3, 3, "link", | |
1380 | "<source file> <dest_name>", CHECK_FS_RW)) | |
1381 | return; | |
1382 | ||
1383 | make_link(argv[1], argv[2]); | |
1384 | } | |
1385 | ||
1386 | static int mark_blocks_proc(ext2_filsys fs, blk64_t *blocknr, | |
1387 | e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), | |
1388 | blk64_t ref_block EXT2FS_ATTR((unused)), | |
1389 | int ref_offset EXT2FS_ATTR((unused)), | |
1390 | void *private EXT2FS_ATTR((unused))) | |
1391 | { | |
1392 | blk64_t block; | |
1393 | ||
1394 | block = *blocknr; | |
1395 | ext2fs_block_alloc_stats2(fs, block, +1); | |
1396 | return 0; | |
1397 | } | |
1398 | ||
1399 | void do_undel(int argc, char *argv[]) | |
1400 | { | |
1401 | ext2_ino_t ino; | |
1402 | struct ext2_inode inode; | |
1403 | ||
1404 | if (common_args_process(argc, argv, 2, 3, "undelete", | |
1405 | "<inode_num> [dest_name]", | |
1406 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
1407 | return; | |
1408 | ||
1409 | ino = string_to_inode(argv[1]); | |
1410 | if (!ino) | |
1411 | return; | |
1412 | ||
1413 | if (debugfs_read_inode(ino, &inode, argv[1])) | |
1414 | return; | |
1415 | ||
1416 | if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) { | |
1417 | com_err(argv[1], 0, "Inode is not marked as deleted"); | |
1418 | return; | |
1419 | } | |
1420 | ||
1421 | /* | |
1422 | * XXX this function doesn't handle changing the links count on the | |
1423 | * parent directory when undeleting a directory. | |
1424 | */ | |
1425 | inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1; | |
1426 | inode.i_dtime = 0; | |
1427 | ||
1428 | if (debugfs_write_inode(ino, &inode, argv[0])) | |
1429 | return; | |
1430 | ||
1431 | ext2fs_block_iterate3(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL, | |
1432 | mark_blocks_proc, NULL); | |
1433 | ||
1434 | ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0); | |
1435 | ||
1436 | if (argc > 2) | |
1437 | make_link(argv[1], argv[2]); | |
1438 | } | |
1439 | ||
1440 | static void unlink_file_by_name(char *filename) | |
1441 | { | |
1442 | int retval; | |
1443 | ext2_ino_t dir; | |
1444 | char *base_name; | |
1445 | ||
1446 | base_name = strrchr(filename, '/'); | |
1447 | if (base_name) { | |
1448 | *base_name++ = '\0'; | |
1449 | dir = string_to_inode(filename); | |
1450 | if (!dir) | |
1451 | return; | |
1452 | } else { | |
1453 | dir = cwd; | |
1454 | base_name = filename; | |
1455 | } | |
1456 | retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0); | |
1457 | if (retval) | |
1458 | com_err("unlink_file_by_name", retval, 0); | |
1459 | return; | |
1460 | } | |
1461 | ||
1462 | void do_unlink(int argc, char *argv[]) | |
1463 | { | |
1464 | if (common_args_process(argc, argv, 2, 2, "link", | |
1465 | "<pathname>", CHECK_FS_RW)) | |
1466 | return; | |
1467 | ||
1468 | unlink_file_by_name(argv[1]); | |
1469 | } | |
1470 | #endif /* READ_ONLY */ | |
1471 | ||
1472 | void do_find_free_block(int argc, char *argv[]) | |
1473 | { | |
1474 | blk64_t free_blk, goal, first_free = 0; | |
1475 | int count; | |
1476 | errcode_t retval; | |
1477 | char *tmp; | |
1478 | ||
1479 | if ((argc > 3) || (argc==2 && *argv[1] == '?')) { | |
1480 | com_err(argv[0], 0, "Usage: find_free_block [count [goal]]"); | |
1481 | return; | |
1482 | } | |
1483 | if (check_fs_open(argv[0])) | |
1484 | return; | |
1485 | ||
1486 | if (argc > 1) { | |
1487 | count = strtol(argv[1],&tmp,0); | |
1488 | if (*tmp) { | |
1489 | com_err(argv[0], 0, "Bad count - %s", argv[1]); | |
1490 | return; | |
1491 | } | |
1492 | } else | |
1493 | count = 1; | |
1494 | ||
1495 | if (argc > 2) { | |
1496 | goal = strtol(argv[2], &tmp, 0); | |
1497 | if (*tmp) { | |
1498 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
1499 | return; | |
1500 | } | |
1501 | } | |
1502 | else | |
1503 | goal = current_fs->super->s_first_data_block; | |
1504 | ||
1505 | printf("Free blocks found: "); | |
1506 | free_blk = goal - 1; | |
1507 | while (count-- > 0) { | |
1508 | retval = ext2fs_new_block2(current_fs, free_blk + 1, 0, | |
1509 | &free_blk); | |
1510 | if (first_free) { | |
1511 | if (first_free == free_blk) | |
1512 | break; | |
1513 | } else | |
1514 | first_free = free_blk; | |
1515 | if (retval) { | |
1516 | com_err("ext2fs_new_block", retval, 0); | |
1517 | return; | |
1518 | } else | |
1519 | printf("%llu ", free_blk); | |
1520 | } | |
1521 | printf("\n"); | |
1522 | } | |
1523 | ||
1524 | void do_find_free_inode(int argc, char *argv[]) | |
1525 | { | |
1526 | ext2_ino_t free_inode, dir; | |
1527 | int mode; | |
1528 | int retval; | |
1529 | char *tmp; | |
1530 | ||
1531 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { | |
1532 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
1533 | return; | |
1534 | } | |
1535 | if (check_fs_open(argv[0])) | |
1536 | return; | |
1537 | ||
1538 | if (argc > 1) { | |
1539 | dir = strtol(argv[1], &tmp, 0); | |
1540 | if (*tmp) { | |
1541 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
1542 | return; | |
1543 | } | |
1544 | } | |
1545 | else | |
1546 | dir = root; | |
1547 | if (argc > 2) { | |
1548 | mode = strtol(argv[2], &tmp, 0); | |
1549 | if (*tmp) { | |
1550 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
1551 | return; | |
1552 | } | |
1553 | } else | |
1554 | mode = 010755; | |
1555 | ||
1556 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); | |
1557 | if (retval) | |
1558 | com_err("ext2fs_new_inode", retval, 0); | |
1559 | else | |
1560 | printf("Free inode found: %u\n", free_inode); | |
1561 | } | |
1562 | ||
1563 | #ifndef READ_ONLY | |
1564 | static errcode_t copy_file(int fd, ext2_ino_t newfile) | |
1565 | { | |
1566 | ext2_file_t e2_file; | |
1567 | errcode_t retval; | |
1568 | int got; | |
1569 | unsigned int written; | |
1570 | char buf[8192]; | |
1571 | char *ptr; | |
1572 | ||
1573 | retval = ext2fs_file_open(current_fs, newfile, | |
1574 | EXT2_FILE_WRITE, &e2_file); | |
1575 | if (retval) | |
1576 | return retval; | |
1577 | ||
1578 | while (1) { | |
1579 | got = read(fd, buf, sizeof(buf)); | |
1580 | if (got == 0) | |
1581 | break; | |
1582 | if (got < 0) { | |
1583 | retval = errno; | |
1584 | goto fail; | |
1585 | } | |
1586 | ptr = buf; | |
1587 | while (got > 0) { | |
1588 | retval = ext2fs_file_write(e2_file, ptr, | |
1589 | got, &written); | |
1590 | if (retval) | |
1591 | goto fail; | |
1592 | ||
1593 | got -= written; | |
1594 | ptr += written; | |
1595 | } | |
1596 | } | |
1597 | retval = ext2fs_file_close(e2_file); | |
1598 | return retval; | |
1599 | ||
1600 | fail: | |
1601 | (void) ext2fs_file_close(e2_file); | |
1602 | return retval; | |
1603 | } | |
1604 | ||
1605 | ||
1606 | void do_write(int argc, char *argv[]) | |
1607 | { | |
1608 | int fd; | |
1609 | struct stat statbuf; | |
1610 | ext2_ino_t newfile; | |
1611 | errcode_t retval; | |
1612 | struct ext2_inode inode; | |
1613 | ||
1614 | if (common_args_process(argc, argv, 3, 3, "write", | |
1615 | "<native file> <new file>", CHECK_FS_RW)) | |
1616 | return; | |
1617 | ||
1618 | fd = open(argv[1], O_RDONLY); | |
1619 | if (fd < 0) { | |
1620 | com_err(argv[1], errno, 0); | |
1621 | return; | |
1622 | } | |
1623 | if (fstat(fd, &statbuf) < 0) { | |
1624 | com_err(argv[1], errno, 0); | |
1625 | close(fd); | |
1626 | return; | |
1627 | } | |
1628 | ||
1629 | retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile); | |
1630 | if (retval == 0) { | |
1631 | com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]); | |
1632 | close(fd); | |
1633 | return; | |
1634 | } | |
1635 | ||
1636 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); | |
1637 | if (retval) { | |
1638 | com_err(argv[0], retval, 0); | |
1639 | close(fd); | |
1640 | return; | |
1641 | } | |
1642 | printf("Allocated inode: %u\n", newfile); | |
1643 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, | |
1644 | EXT2_FT_REG_FILE); | |
1645 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
1646 | retval = ext2fs_expand_dir(current_fs, cwd); | |
1647 | if (retval) { | |
1648 | com_err(argv[0], retval, "while expanding directory"); | |
1649 | close(fd); | |
1650 | return; | |
1651 | } | |
1652 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, | |
1653 | EXT2_FT_REG_FILE); | |
1654 | } | |
1655 | if (retval) { | |
1656 | com_err(argv[2], retval, 0); | |
1657 | close(fd); | |
1658 | return; | |
1659 | } | |
1660 | if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile)) | |
1661 | com_err(argv[0], 0, "Warning: inode already set"); | |
1662 | ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0); | |
1663 | memset(&inode, 0, sizeof(inode)); | |
1664 | inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG; | |
1665 | inode.i_atime = inode.i_ctime = inode.i_mtime = | |
1666 | current_fs->now ? current_fs->now : time(0); | |
1667 | inode.i_links_count = 1; | |
1668 | inode.i_size = statbuf.st_size; | |
1669 | if (current_fs->super->s_feature_incompat & | |
1670 | EXT3_FEATURE_INCOMPAT_EXTENTS) | |
1671 | inode.i_flags |= EXT4_EXTENTS_FL; | |
1672 | if (debugfs_write_new_inode(newfile, &inode, argv[0])) { | |
1673 | close(fd); | |
1674 | return; | |
1675 | } | |
1676 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1677 | retval = copy_file(fd, newfile); | |
1678 | if (retval) | |
1679 | com_err("copy_file", retval, 0); | |
1680 | } | |
1681 | close(fd); | |
1682 | } | |
1683 | ||
1684 | void do_mknod(int argc, char *argv[]) | |
1685 | { | |
1686 | unsigned long mode, major, minor; | |
1687 | ext2_ino_t newfile; | |
1688 | errcode_t retval; | |
1689 | struct ext2_inode inode; | |
1690 | int filetype, nr; | |
1691 | ||
1692 | if (check_fs_open(argv[0])) | |
1693 | return; | |
1694 | if (argc < 3 || argv[2][1]) { | |
1695 | usage: | |
1696 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1697 | return; | |
1698 | } | |
1699 | mode = minor = major = 0; | |
1700 | switch (argv[2][0]) { | |
1701 | case 'p': | |
1702 | mode = LINUX_S_IFIFO; | |
1703 | filetype = EXT2_FT_FIFO; | |
1704 | nr = 3; | |
1705 | break; | |
1706 | case 'c': | |
1707 | mode = LINUX_S_IFCHR; | |
1708 | filetype = EXT2_FT_CHRDEV; | |
1709 | nr = 5; | |
1710 | break; | |
1711 | case 'b': | |
1712 | mode = LINUX_S_IFBLK; | |
1713 | filetype = EXT2_FT_BLKDEV; | |
1714 | nr = 5; | |
1715 | break; | |
1716 | default: | |
1717 | filetype = 0; | |
1718 | nr = 0; | |
1719 | } | |
1720 | if (nr == 5) { | |
1721 | major = strtoul(argv[3], argv+3, 0); | |
1722 | minor = strtoul(argv[4], argv+4, 0); | |
1723 | if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0]) | |
1724 | nr = 0; | |
1725 | } | |
1726 | if (argc != nr) | |
1727 | goto usage; | |
1728 | if (check_fs_read_write(argv[0])) | |
1729 | return; | |
1730 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); | |
1731 | if (retval) { | |
1732 | com_err(argv[0], retval, 0); | |
1733 | return; | |
1734 | } | |
1735 | printf("Allocated inode: %u\n", newfile); | |
1736 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype); | |
1737 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
1738 | retval = ext2fs_expand_dir(current_fs, cwd); | |
1739 | if (retval) { | |
1740 | com_err(argv[0], retval, "while expanding directory"); | |
1741 | return; | |
1742 | } | |
1743 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, | |
1744 | filetype); | |
1745 | } | |
1746 | if (retval) { | |
1747 | com_err(argv[1], retval, 0); | |
1748 | return; | |
1749 | } | |
1750 | if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile)) | |
1751 | com_err(argv[0], 0, "Warning: inode already set"); | |
1752 | ext2fs_mark_inode_bitmap2(current_fs->inode_map, newfile); | |
1753 | ext2fs_mark_ib_dirty(current_fs); | |
1754 | memset(&inode, 0, sizeof(inode)); | |
1755 | inode.i_mode = mode; | |
1756 | inode.i_atime = inode.i_ctime = inode.i_mtime = | |
1757 | current_fs->now ? current_fs->now : time(0); | |
1758 | if ((major < 256) && (minor < 256)) { | |
1759 | inode.i_block[0] = major*256+minor; | |
1760 | inode.i_block[1] = 0; | |
1761 | } else { | |
1762 | inode.i_block[0] = 0; | |
1763 | inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12); | |
1764 | } | |
1765 | inode.i_links_count = 1; | |
1766 | if (debugfs_write_new_inode(newfile, &inode, argv[0])) | |
1767 | return; | |
1768 | } | |
1769 | ||
1770 | void do_mkdir(int argc, char *argv[]) | |
1771 | { | |
1772 | char *cp; | |
1773 | ext2_ino_t parent; | |
1774 | char *name; | |
1775 | errcode_t retval; | |
1776 | ||
1777 | if (common_args_process(argc, argv, 2, 2, "mkdir", | |
1778 | "<filename>", CHECK_FS_RW)) | |
1779 | return; | |
1780 | ||
1781 | cp = strrchr(argv[1], '/'); | |
1782 | if (cp) { | |
1783 | *cp = 0; | |
1784 | parent = string_to_inode(argv[1]); | |
1785 | if (!parent) { | |
1786 | com_err(argv[1], ENOENT, 0); | |
1787 | return; | |
1788 | } | |
1789 | name = cp+1; | |
1790 | } else { | |
1791 | parent = cwd; | |
1792 | name = argv[1]; | |
1793 | } | |
1794 | ||
1795 | try_again: | |
1796 | retval = ext2fs_mkdir(current_fs, parent, 0, name); | |
1797 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
1798 | retval = ext2fs_expand_dir(current_fs, parent); | |
1799 | if (retval) { | |
1800 | com_err(argv[0], retval, "while expanding directory"); | |
1801 | return; | |
1802 | } | |
1803 | goto try_again; | |
1804 | } | |
1805 | if (retval) { | |
1806 | com_err("ext2fs_mkdir", retval, 0); | |
1807 | return; | |
1808 | } | |
1809 | ||
1810 | } | |
1811 | ||
1812 | static int release_blocks_proc(ext2_filsys fs, blk64_t *blocknr, | |
1813 | e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)), | |
1814 | blk64_t ref_block EXT2FS_ATTR((unused)), | |
1815 | int ref_offset EXT2FS_ATTR((unused)), | |
1816 | void *private EXT2FS_ATTR((unused))) | |
1817 | { | |
1818 | blk64_t block; | |
1819 | ||
1820 | block = *blocknr; | |
1821 | ext2fs_block_alloc_stats2(fs, block, -1); | |
1822 | return 0; | |
1823 | } | |
1824 | ||
1825 | static void kill_file_by_inode(ext2_ino_t inode) | |
1826 | { | |
1827 | struct ext2_inode inode_buf; | |
1828 | ||
1829 | if (debugfs_read_inode(inode, &inode_buf, 0)) | |
1830 | return; | |
1831 | inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0); | |
1832 | if (debugfs_write_inode(inode, &inode_buf, 0)) | |
1833 | return; | |
1834 | if (!ext2fs_inode_has_valid_blocks2(current_fs, &inode_buf)) | |
1835 | return; | |
1836 | ||
1837 | ext2fs_block_iterate3(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL, | |
1838 | release_blocks_proc, NULL); | |
1839 | printf("\n"); | |
1840 | ext2fs_inode_alloc_stats2(current_fs, inode, -1, | |
1841 | LINUX_S_ISDIR(inode_buf.i_mode)); | |
1842 | } | |
1843 | ||
1844 | ||
1845 | void do_kill_file(int argc, char *argv[]) | |
1846 | { | |
1847 | ext2_ino_t inode_num; | |
1848 | ||
1849 | if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW)) | |
1850 | return; | |
1851 | ||
1852 | kill_file_by_inode(inode_num); | |
1853 | } | |
1854 | ||
1855 | void do_rm(int argc, char *argv[]) | |
1856 | { | |
1857 | int retval; | |
1858 | ext2_ino_t inode_num; | |
1859 | struct ext2_inode inode; | |
1860 | ||
1861 | if (common_args_process(argc, argv, 2, 2, "rm", | |
1862 | "<filename>", CHECK_FS_RW)) | |
1863 | return; | |
1864 | ||
1865 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); | |
1866 | if (retval) { | |
1867 | com_err(argv[0], retval, "while trying to resolve filename"); | |
1868 | return; | |
1869 | } | |
1870 | ||
1871 | if (debugfs_read_inode(inode_num, &inode, argv[0])) | |
1872 | return; | |
1873 | ||
1874 | if (LINUX_S_ISDIR(inode.i_mode)) { | |
1875 | com_err(argv[0], 0, "file is a directory"); | |
1876 | return; | |
1877 | } | |
1878 | ||
1879 | --inode.i_links_count; | |
1880 | if (debugfs_write_inode(inode_num, &inode, argv[0])) | |
1881 | return; | |
1882 | ||
1883 | unlink_file_by_name(argv[1]); | |
1884 | if (inode.i_links_count == 0) | |
1885 | kill_file_by_inode(inode_num); | |
1886 | } | |
1887 | ||
1888 | struct rd_struct { | |
1889 | ext2_ino_t parent; | |
1890 | int empty; | |
1891 | }; | |
1892 | ||
1893 | static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)), | |
1894 | int entry EXT2FS_ATTR((unused)), | |
1895 | struct ext2_dir_entry *dirent, | |
1896 | int offset EXT2FS_ATTR((unused)), | |
1897 | int blocksize EXT2FS_ATTR((unused)), | |
1898 | char *buf EXT2FS_ATTR((unused)), | |
1899 | void *private) | |
1900 | { | |
1901 | struct rd_struct *rds = (struct rd_struct *) private; | |
1902 | ||
1903 | if (dirent->inode == 0) | |
1904 | return 0; | |
1905 | if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.')) | |
1906 | return 0; | |
1907 | if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') && | |
1908 | (dirent->name[1] == '.')) { | |
1909 | rds->parent = dirent->inode; | |
1910 | return 0; | |
1911 | } | |
1912 | rds->empty = 0; | |
1913 | return 0; | |
1914 | } | |
1915 | ||
1916 | void do_rmdir(int argc, char *argv[]) | |
1917 | { | |
1918 | int retval; | |
1919 | ext2_ino_t inode_num; | |
1920 | struct ext2_inode inode; | |
1921 | struct rd_struct rds; | |
1922 | ||
1923 | if (common_args_process(argc, argv, 2, 2, "rmdir", | |
1924 | "<filename>", CHECK_FS_RW)) | |
1925 | return; | |
1926 | ||
1927 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); | |
1928 | if (retval) { | |
1929 | com_err(argv[0], retval, "while trying to resolve filename"); | |
1930 | return; | |
1931 | } | |
1932 | ||
1933 | if (debugfs_read_inode(inode_num, &inode, argv[0])) | |
1934 | return; | |
1935 | ||
1936 | if (!LINUX_S_ISDIR(inode.i_mode)) { | |
1937 | com_err(argv[0], 0, "file is not a directory"); | |
1938 | return; | |
1939 | } | |
1940 | ||
1941 | rds.parent = 0; | |
1942 | rds.empty = 1; | |
1943 | ||
1944 | retval = ext2fs_dir_iterate2(current_fs, inode_num, 0, | |
1945 | 0, rmdir_proc, &rds); | |
1946 | if (retval) { | |
1947 | com_err(argv[0], retval, "while iterating over directory"); | |
1948 | return; | |
1949 | } | |
1950 | if (rds.empty == 0) { | |
1951 | com_err(argv[0], 0, "directory not empty"); | |
1952 | return; | |
1953 | } | |
1954 | ||
1955 | inode.i_links_count = 0; | |
1956 | if (debugfs_write_inode(inode_num, &inode, argv[0])) | |
1957 | return; | |
1958 | ||
1959 | unlink_file_by_name(argv[1]); | |
1960 | kill_file_by_inode(inode_num); | |
1961 | ||
1962 | if (rds.parent) { | |
1963 | if (debugfs_read_inode(rds.parent, &inode, argv[0])) | |
1964 | return; | |
1965 | if (inode.i_links_count > 1) | |
1966 | inode.i_links_count--; | |
1967 | if (debugfs_write_inode(rds.parent, &inode, argv[0])) | |
1968 | return; | |
1969 | } | |
1970 | } | |
1971 | #endif /* READ_ONLY */ | |
1972 | ||
1973 | void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)), | |
1974 | char *argv[] EXT2FS_ATTR((unused))) | |
1975 | { | |
1976 | FILE *out = stdout; | |
1977 | ||
1978 | if (current_fs) | |
1979 | fprintf(out, "Open mode: read-%s\n", | |
1980 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
1981 | fprintf(out, "Filesystem in use: %s\n", | |
1982 | current_fs ? current_fs->device_name : "--none--"); | |
1983 | } | |
1984 | ||
1985 | #ifndef READ_ONLY | |
1986 | void do_expand_dir(int argc, char *argv[]) | |
1987 | { | |
1988 | ext2_ino_t inode; | |
1989 | int retval; | |
1990 | ||
1991 | if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW)) | |
1992 | return; | |
1993 | ||
1994 | retval = ext2fs_expand_dir(current_fs, inode); | |
1995 | if (retval) | |
1996 | com_err("ext2fs_expand_dir", retval, 0); | |
1997 | return; | |
1998 | } | |
1999 | ||
2000 | void do_features(int argc, char *argv[]) | |
2001 | { | |
2002 | int i; | |
2003 | ||
2004 | if (check_fs_open(argv[0])) | |
2005 | return; | |
2006 | ||
2007 | if ((argc != 1) && check_fs_read_write(argv[0])) | |
2008 | return; | |
2009 | for (i=1; i < argc; i++) { | |
2010 | if (e2p_edit_feature(argv[i], | |
2011 | ¤t_fs->super->s_feature_compat, 0)) | |
2012 | com_err(argv[0], 0, "Unknown feature: %s\n", | |
2013 | argv[i]); | |
2014 | else | |
2015 | ext2fs_mark_super_dirty(current_fs); | |
2016 | } | |
2017 | print_features(current_fs->super, stdout); | |
2018 | } | |
2019 | #endif /* READ_ONLY */ | |
2020 | ||
2021 | void do_bmap(int argc, char *argv[]) | |
2022 | { | |
2023 | ext2_ino_t ino; | |
2024 | blk64_t blk, pblk; | |
2025 | int err; | |
2026 | errcode_t errcode; | |
2027 | ||
2028 | if (common_args_process(argc, argv, 3, 3, argv[0], | |
2029 | "<file> logical_blk", 0)) | |
2030 | return; | |
2031 | ||
2032 | ino = string_to_inode(argv[1]); | |
2033 | if (!ino) | |
2034 | return; | |
2035 | blk = parse_ulong(argv[2], argv[0], "logical_block", &err); | |
2036 | ||
2037 | errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk); | |
2038 | if (errcode) { | |
2039 | com_err("argv[0]", errcode, | |
2040 | "while mapping logical block %llu\n", blk); | |
2041 | return; | |
2042 | } | |
2043 | printf("%llu\n", pblk); | |
2044 | } | |
2045 | ||
2046 | void do_imap(int argc, char *argv[]) | |
2047 | { | |
2048 | ext2_ino_t ino; | |
2049 | unsigned long group, block, block_nr, offset; | |
2050 | ||
2051 | if (common_args_process(argc, argv, 2, 2, argv[0], | |
2052 | "<file>", 0)) | |
2053 | return; | |
2054 | ino = string_to_inode(argv[1]); | |
2055 | if (!ino) | |
2056 | return; | |
2057 | ||
2058 | group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super); | |
2059 | offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) * | |
2060 | EXT2_INODE_SIZE(current_fs->super); | |
2061 | block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super); | |
2062 | if (!ext2fs_inode_table_loc(current_fs, (unsigned)group)) { | |
2063 | com_err(argv[0], 0, "Inode table for group %lu is missing\n", | |
2064 | group); | |
2065 | return; | |
2066 | } | |
2067 | block_nr = ext2fs_inode_table_loc(current_fs, (unsigned)group) + | |
2068 | block; | |
2069 | offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1); | |
2070 | ||
2071 | printf("Inode %d is part of block group %lu\n" | |
2072 | "\tlocated at block %lu, offset 0x%04lx\n", ino, group, | |
2073 | block_nr, offset); | |
2074 | ||
2075 | } | |
2076 | ||
2077 | #ifndef READ_ONLY | |
2078 | void do_set_current_time(int argc, char *argv[]) | |
2079 | { | |
2080 | time_t now; | |
2081 | ||
2082 | if (common_args_process(argc, argv, 2, 2, argv[0], | |
2083 | "<time>", 0)) | |
2084 | return; | |
2085 | ||
2086 | now = string_to_time(argv[1]); | |
2087 | if (now == ((time_t) -1)) { | |
2088 | com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n", | |
2089 | argv[1]); | |
2090 | return; | |
2091 | ||
2092 | } else { | |
2093 | printf("Setting current time to %s\n", time_to_string(now)); | |
2094 | current_fs->now = now; | |
2095 | } | |
2096 | } | |
2097 | #endif /* READ_ONLY */ | |
2098 | ||
2099 | static int find_supp_feature(__u32 *supp, int feature_type, char *name) | |
2100 | { | |
2101 | int compat, bit, ret; | |
2102 | unsigned int feature_mask; | |
2103 | ||
2104 | if (name) { | |
2105 | if (feature_type == E2P_FS_FEATURE) | |
2106 | ret = e2p_string2feature(name, &compat, &feature_mask); | |
2107 | else | |
2108 | ret = e2p_jrnl_string2feature(name, &compat, | |
2109 | &feature_mask); | |
2110 | if (ret) | |
2111 | return ret; | |
2112 | ||
2113 | if (!(supp[compat] & feature_mask)) | |
2114 | return 1; | |
2115 | } else { | |
2116 | for (compat = 0; compat < 3; compat++) { | |
2117 | for (bit = 0, feature_mask = 1; bit < 32; | |
2118 | bit++, feature_mask <<= 1) { | |
2119 | if (supp[compat] & feature_mask) { | |
2120 | if (feature_type == E2P_FS_FEATURE) | |
2121 | fprintf(stdout, " %s", | |
2122 | e2p_feature2string(compat, | |
2123 | feature_mask)); | |
2124 | else | |
2125 | fprintf(stdout, " %s", | |
2126 | e2p_jrnl_feature2string(compat, | |
2127 | feature_mask)); | |
2128 | } | |
2129 | } | |
2130 | } | |
2131 | fprintf(stdout, "\n"); | |
2132 | } | |
2133 | ||
2134 | return 0; | |
2135 | } | |
2136 | ||
2137 | void do_supported_features(int argc, char *argv[]) | |
2138 | { | |
2139 | int ret; | |
2140 | __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP, | |
2141 | EXT2_LIB_FEATURE_INCOMPAT_SUPP, | |
2142 | EXT2_LIB_FEATURE_RO_COMPAT_SUPP }; | |
2143 | __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES, | |
2144 | JFS_KNOWN_INCOMPAT_FEATURES, | |
2145 | JFS_KNOWN_ROCOMPAT_FEATURES }; | |
2146 | ||
2147 | if (argc > 1) { | |
2148 | ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]); | |
2149 | if (ret) { | |
2150 | ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, | |
2151 | argv[1]); | |
2152 | } | |
2153 | if (ret) | |
2154 | com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]); | |
2155 | else | |
2156 | fprintf(stdout, "Supported feature: %s\n", argv[1]); | |
2157 | } else { | |
2158 | fprintf(stdout, "Supported features:"); | |
2159 | ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL); | |
2160 | ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL); | |
2161 | } | |
2162 | } | |
2163 | ||
2164 | #ifndef READ_ONLY | |
2165 | void do_punch(int argc, char *argv[]) | |
2166 | { | |
2167 | ext2_ino_t ino; | |
2168 | blk64_t start, end; | |
2169 | int err; | |
2170 | errcode_t errcode; | |
2171 | ||
2172 | if (common_args_process(argc, argv, 3, 4, argv[0], | |
2173 | "<file> start_blk [end_blk]", | |
2174 | CHECK_FS_RW | CHECK_FS_BITMAPS)) | |
2175 | return; | |
2176 | ||
2177 | ino = string_to_inode(argv[1]); | |
2178 | if (!ino) | |
2179 | return; | |
2180 | start = parse_ulong(argv[2], argv[0], "logical_block", &err); | |
2181 | if (argc == 4) | |
2182 | end = parse_ulong(argv[3], argv[0], "logical_block", &err); | |
2183 | else | |
2184 | end = ~0; | |
2185 | ||
2186 | errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end); | |
2187 | ||
2188 | if (errcode) { | |
2189 | com_err(argv[0], errcode, | |
2190 | "while truncating inode %u from %llu to %llu\n", ino, | |
2191 | (unsigned long long) start, (unsigned long long) end); | |
2192 | return; | |
2193 | } | |
2194 | } | |
2195 | #endif /* READ_ONLY */ | |
2196 | ||
2197 | void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[]) | |
2198 | { | |
2199 | struct ext2_super_block *sb; | |
2200 | struct mmp_struct *mmp_s; | |
2201 | time_t t; | |
2202 | errcode_t retval = 0; | |
2203 | ||
2204 | if (check_fs_open(argv[0])) | |
2205 | return; | |
2206 | ||
2207 | sb = current_fs->super; | |
2208 | if (sb->s_mmp_block <= sb->s_first_data_block || | |
2209 | sb->s_mmp_block >= ext2fs_blocks_count(sb)) { | |
2210 | com_err(argv[0], EXT2_ET_MMP_BAD_BLOCK, "while dumping it.\n"); | |
2211 | return; | |
2212 | } | |
2213 | ||
2214 | if (current_fs->mmp_buf == NULL) { | |
2215 | retval = ext2fs_get_mem(current_fs->blocksize, | |
2216 | ¤t_fs->mmp_buf); | |
2217 | if (retval) { | |
2218 | com_err(argv[0], retval, "allocating MMP buffer.\n"); | |
2219 | return; | |
2220 | } | |
2221 | } | |
2222 | ||
2223 | mmp_s = current_fs->mmp_buf; | |
2224 | ||
2225 | retval = ext2fs_mmp_read(current_fs, current_fs->super->s_mmp_block, | |
2226 | current_fs->mmp_buf); | |
2227 | if (retval) { | |
2228 | com_err(argv[0], retval, "reading MMP block.\n"); | |
2229 | return; | |
2230 | } | |
2231 | ||
2232 | t = mmp_s->mmp_time; | |
2233 | fprintf(stdout, "block_number: %llu\n", current_fs->super->s_mmp_block); | |
2234 | fprintf(stdout, "update_interval: %d\n", | |
2235 | current_fs->super->s_mmp_update_interval); | |
2236 | fprintf(stdout, "check_interval: %d\n", mmp_s->mmp_check_interval); | |
2237 | fprintf(stdout, "sequence: %08x\n", mmp_s->mmp_seq); | |
2238 | fprintf(stdout, "time: %lld -- %s", mmp_s->mmp_time, ctime(&t)); | |
2239 | fprintf(stdout, "node_name: %s\n", mmp_s->mmp_nodename); | |
2240 | fprintf(stdout, "device_name: %s\n", mmp_s->mmp_bdevname); | |
2241 | fprintf(stdout, "magic: 0x%x\n", mmp_s->mmp_magic); | |
2242 | } | |
2243 | ||
2244 | static int source_file(const char *cmd_file, int sci_idx) | |
2245 | { | |
2246 | FILE *f; | |
2247 | char buf[256]; | |
2248 | char *cp; | |
2249 | int exit_status = 0; | |
2250 | int retval; | |
2251 | ||
2252 | if (strcmp(cmd_file, "-") == 0) | |
2253 | f = stdin; | |
2254 | else { | |
2255 | f = fopen(cmd_file, "r"); | |
2256 | if (!f) { | |
2257 | perror(cmd_file); | |
2258 | exit(1); | |
2259 | } | |
2260 | } | |
2261 | fflush(stdout); | |
2262 | fflush(stderr); | |
2263 | setbuf(stdout, NULL); | |
2264 | setbuf(stderr, NULL); | |
2265 | while (!feof(f)) { | |
2266 | if (fgets(buf, sizeof(buf), f) == NULL) | |
2267 | break; | |
2268 | cp = strchr(buf, '\n'); | |
2269 | if (cp) | |
2270 | *cp = 0; | |
2271 | cp = strchr(buf, '\r'); | |
2272 | if (cp) | |
2273 | *cp = 0; | |
2274 | printf("debugfs: %s\n", buf); | |
2275 | retval = ss_execute_line(sci_idx, buf); | |
2276 | if (retval) { | |
2277 | ss_perror(sci_idx, retval, buf); | |
2278 | exit_status++; | |
2279 | } | |
2280 | } | |
2281 | if (f != stdin) | |
2282 | fclose(f); | |
2283 | return exit_status; | |
2284 | } | |
2285 | ||
2286 | int main(int argc, char **argv) | |
2287 | { | |
2288 | int retval; | |
2289 | int sci_idx; | |
2290 | const char *usage = | |
2291 | "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] " | |
2292 | "[-R request] [-V] [" | |
2293 | #ifndef READ_ONLY | |
2294 | "[-w] " | |
2295 | #endif | |
2296 | "[-c] device]"; | |
2297 | int c; | |
2298 | int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES | EXT2_FLAG_64BITS; | |
2299 | char *request = 0; | |
2300 | int exit_status = 0; | |
2301 | char *cmd_file = 0; | |
2302 | blk64_t superblock = 0; | |
2303 | blk64_t blocksize = 0; | |
2304 | int catastrophic = 0; | |
2305 | char *data_filename = 0; | |
2306 | #ifdef READ_ONLY | |
2307 | const char *opt_string = "icR:f:b:s:Vd:D"; | |
2308 | #else | |
2309 | const char *opt_string = "iwcR:f:b:s:Vd:D"; | |
2310 | #endif | |
2311 | ||
2312 | if (debug_prog_name == 0) | |
2313 | #ifdef READ_ONLY | |
2314 | debug_prog_name = "rdebugfs"; | |
2315 | #else | |
2316 | debug_prog_name = "debugfs"; | |
2317 | #endif | |
2318 | add_error_table(&et_ext2_error_table); | |
2319 | fprintf (stderr, "%s %s (%s)\n", debug_prog_name, | |
2320 | E2FSPROGS_VERSION, E2FSPROGS_DATE); | |
2321 | ||
2322 | while ((c = getopt (argc, argv, opt_string)) != EOF) { | |
2323 | switch (c) { | |
2324 | case 'R': | |
2325 | request = optarg; | |
2326 | break; | |
2327 | case 'f': | |
2328 | cmd_file = optarg; | |
2329 | break; | |
2330 | case 'd': | |
2331 | data_filename = optarg; | |
2332 | break; | |
2333 | case 'i': | |
2334 | open_flags |= EXT2_FLAG_IMAGE_FILE; | |
2335 | break; | |
2336 | #ifndef READ_ONLY | |
2337 | case 'w': | |
2338 | open_flags |= EXT2_FLAG_RW; | |
2339 | break; | |
2340 | #endif | |
2341 | case 'D': | |
2342 | open_flags |= EXT2_FLAG_DIRECT_IO; | |
2343 | break; | |
2344 | case 'b': | |
2345 | blocksize = parse_ulong(optarg, argv[0], | |
2346 | "block size", 0); | |
2347 | break; | |
2348 | case 's': | |
2349 | superblock = parse_ulong(optarg, argv[0], | |
2350 | "superblock number", 0); | |
2351 | break; | |
2352 | case 'c': | |
2353 | catastrophic = 1; | |
2354 | break; | |
2355 | case 'V': | |
2356 | /* Print version number and exit */ | |
2357 | fprintf(stderr, "\tUsing %s\n", | |
2358 | error_message(EXT2_ET_BASE)); | |
2359 | exit(0); | |
2360 | default: | |
2361 | com_err(argv[0], 0, usage, debug_prog_name); | |
2362 | return 1; | |
2363 | } | |
2364 | } | |
2365 | if (optind < argc) | |
2366 | open_filesystem(argv[optind], open_flags, | |
2367 | superblock, blocksize, catastrophic, | |
2368 | data_filename); | |
2369 | ||
2370 | sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL, | |
2371 | &debug_cmds, &retval); | |
2372 | if (retval) { | |
2373 | ss_perror(sci_idx, retval, "creating invocation"); | |
2374 | exit(1); | |
2375 | } | |
2376 | ss_get_readline(sci_idx); | |
2377 | ||
2378 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
2379 | if (retval) { | |
2380 | ss_perror(sci_idx, retval, "adding standard requests"); | |
2381 | exit (1); | |
2382 | } | |
2383 | if (extra_cmds) | |
2384 | ss_add_request_table (sci_idx, extra_cmds, 1, &retval); | |
2385 | if (retval) { | |
2386 | ss_perror(sci_idx, retval, "adding extra requests"); | |
2387 | exit (1); | |
2388 | } | |
2389 | if (request) { | |
2390 | retval = 0; | |
2391 | retval = ss_execute_line(sci_idx, request); | |
2392 | if (retval) { | |
2393 | ss_perror(sci_idx, retval, request); | |
2394 | exit_status++; | |
2395 | } | |
2396 | } else if (cmd_file) { | |
2397 | exit_status = source_file(cmd_file, sci_idx); | |
2398 | } else { | |
2399 | ss_listen(sci_idx); | |
2400 | } | |
2401 | ||
2402 | ss_delete_invocation(sci_idx); | |
2403 | ||
2404 | if (current_fs) | |
2405 | close_filesystem(); | |
2406 | ||
2407 | remove_error_table(&et_ext2_error_table); | |
2408 | return exit_status; | |
2409 | } |