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Convert uses of super->s_*_blocks_count to ext2fs_*_blocks_count()
[thirdparty/e2fsprogs.git] / debugfs / debugfs.c
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>
17 #ifdef HAVE_GETOPT_H
18 #include <getopt.h>
19 #else
20 extern int optind;
21 extern char *optarg;
22 #endif
23 #ifdef HAVE_ERRNO_H
24 #include <errno.h>
25 #endif
26 #include <fcntl.h>
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"
33 #include "uuid/uuid.h"
34 #include "e2p/e2p.h"
35
36 #include <ext2fs/ext2_ext_attr.h>
37
38 #include "../version.h"
39 #include "jfs_user.h"
40
41 extern ss_request_table debug_cmds;
42 ss_request_table *extra_cmds;
43 const char *debug_prog_name;
44
45 ext2_filsys current_fs = NULL;
46 ext2_ino_t root, cwd;
47
48 static void open_filesystem(char *device, int open_flags, blk_t superblock,
49 blk_t blocksize, int catastrophic,
50 char *data_filename)
51 {
52 int retval;
53 io_channel data_io = 0;
54
55 if (superblock != 0 && blocksize == 0) {
56 com_err(device, 0, "if you specify the superblock, you must also specify the block size");
57 current_fs = NULL;
58 return;
59 }
60
61 if (data_filename) {
62 if ((open_flags & EXT2_FLAG_IMAGE_FILE) == 0) {
63 com_err(device, 0,
64 "The -d option is only valid when reading an e2image file");
65 current_fs = NULL;
66 return;
67 }
68 retval = unix_io_manager->open(data_filename, 0, &data_io);
69 if (retval) {
70 com_err(data_filename, 0, "while opening data source");
71 current_fs = NULL;
72 return;
73 }
74 }
75
76 if (catastrophic && (open_flags & EXT2_FLAG_RW)) {
77 com_err(device, 0,
78 "opening read-only because of catastrophic mode");
79 open_flags &= ~EXT2_FLAG_RW;
80 }
81
82 retval = ext2fs_open(device, open_flags, superblock, blocksize,
83 unix_io_manager, &current_fs);
84 if (retval) {
85 com_err(device, retval, "while opening filesystem");
86 current_fs = NULL;
87 return;
88 }
89
90 if (catastrophic)
91 com_err(device, 0, "catastrophic mode - not reading inode or group bitmaps");
92 else {
93 retval = ext2fs_read_inode_bitmap(current_fs);
94 if (retval) {
95 com_err(device, retval, "while reading inode bitmap");
96 goto errout;
97 }
98 retval = ext2fs_read_block_bitmap(current_fs);
99 if (retval) {
100 com_err(device, retval, "while reading block bitmap");
101 goto errout;
102 }
103 }
104
105 if (data_io) {
106 retval = ext2fs_set_data_io(current_fs, data_io);
107 if (retval) {
108 com_err(device, retval,
109 "while setting data source");
110 goto errout;
111 }
112 }
113
114 root = cwd = EXT2_ROOT_INO;
115 return;
116
117 errout:
118 retval = ext2fs_close(current_fs);
119 if (retval)
120 com_err(device, retval, "while trying to close filesystem");
121 current_fs = NULL;
122 }
123
124 void do_open_filesys(int argc, char **argv)
125 {
126 int c, err;
127 int catastrophic = 0;
128 blk_t superblock = 0;
129 blk_t blocksize = 0;
130 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES;
131 char *data_filename = 0;
132
133 reset_getopt();
134 while ((c = getopt (argc, argv, "iwfecb:s:d:")) != EOF) {
135 switch (c) {
136 case 'i':
137 open_flags |= EXT2_FLAG_IMAGE_FILE;
138 break;
139 case 'w':
140 open_flags |= EXT2_FLAG_RW;
141 break;
142 case 'f':
143 open_flags |= EXT2_FLAG_FORCE;
144 break;
145 case 'e':
146 open_flags |= EXT2_FLAG_EXCLUSIVE;
147 break;
148 case 'c':
149 catastrophic = 1;
150 break;
151 case 'd':
152 data_filename = optarg;
153 break;
154 case 'b':
155 blocksize = parse_ulong(optarg, argv[0],
156 "block size", &err);
157 if (err)
158 return;
159 break;
160 case 's':
161 superblock = parse_ulong(optarg, argv[0],
162 "superblock number", &err);
163 if (err)
164 return;
165 break;
166 default:
167 goto print_usage;
168 }
169 }
170 if (optind != argc-1) {
171 goto print_usage;
172 }
173 if (check_fs_not_open(argv[0]))
174 return;
175 open_filesystem(argv[optind], open_flags,
176 superblock, blocksize, catastrophic,
177 data_filename);
178 return;
179
180 print_usage:
181 fprintf(stderr, "%s: Usage: open [-s superblock] [-b blocksize] "
182 "[-c] [-w] <device>\n", argv[0]);
183 }
184
185 void do_lcd(int argc, char **argv)
186 {
187 if (argc != 2) {
188 com_err(argv[0], 0, "Usage: %s %s", argv[0], "<native dir>");
189 return;
190 }
191
192 if (chdir(argv[1]) == -1) {
193 com_err(argv[0], errno,
194 "while trying to change native directory to %s",
195 argv[1]);
196 return;
197 }
198 }
199
200 static void close_filesystem(NOARGS)
201 {
202 int retval;
203
204 if (current_fs->flags & EXT2_FLAG_IB_DIRTY) {
205 retval = ext2fs_write_inode_bitmap(current_fs);
206 if (retval)
207 com_err("ext2fs_write_inode_bitmap", retval, 0);
208 }
209 if (current_fs->flags & EXT2_FLAG_BB_DIRTY) {
210 retval = ext2fs_write_block_bitmap(current_fs);
211 if (retval)
212 com_err("ext2fs_write_block_bitmap", retval, 0);
213 }
214 retval = ext2fs_close(current_fs);
215 if (retval)
216 com_err("ext2fs_close", retval, 0);
217 current_fs = NULL;
218 return;
219 }
220
221 void do_close_filesys(int argc, char **argv)
222 {
223 int c;
224
225 if (check_fs_open(argv[0]))
226 return;
227
228 reset_getopt();
229 while ((c = getopt (argc, argv, "a")) != EOF) {
230 switch (c) {
231 case 'a':
232 current_fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
233 break;
234 default:
235 goto print_usage;
236 }
237 }
238
239 if (argc > optind) {
240 print_usage:
241 com_err(0, 0, "Usage: close_filesys [-a]");
242 return;
243 }
244
245 close_filesystem();
246 }
247
248 void do_init_filesys(int argc, char **argv)
249 {
250 struct ext2_super_block param;
251 errcode_t retval;
252 int err;
253
254 if (common_args_process(argc, argv, 3, 3, "initialize",
255 "<device> <blocksize>", CHECK_FS_NOTOPEN))
256 return;
257
258 memset(&param, 0, sizeof(struct ext2_super_block));
259 ext2fs_blocks_count_set(&param, parse_ulong(argv[2], argv[0],
260 "blocks count", &err));
261 if (err)
262 return;
263 retval = ext2fs_initialize(argv[1], 0, &param,
264 unix_io_manager, &current_fs);
265 if (retval) {
266 com_err(argv[1], retval, "while initializing filesystem");
267 current_fs = NULL;
268 return;
269 }
270 root = cwd = EXT2_ROOT_INO;
271 return;
272 }
273
274 static void print_features(struct ext2_super_block * s, FILE *f)
275 {
276 int i, j, printed=0;
277 __u32 *mask = &s->s_feature_compat, m;
278
279 fputs("Filesystem features:", f);
280 for (i=0; i <3; i++,mask++) {
281 for (j=0,m=1; j < 32; j++, m<<=1) {
282 if (*mask & m) {
283 fprintf(f, " %s", e2p_feature2string(i, m));
284 printed++;
285 }
286 }
287 }
288 if (printed == 0)
289 fputs("(none)", f);
290 fputs("\n", f);
291 }
292
293 static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
294 const char *str, int *first, FILE *f)
295 {
296 if (ext2fs_bg_flag_test(fs, group, mask)) {
297 if (*first) {
298 fputs(" [", f);
299 *first = 0;
300 } else
301 fputs(", ", f);
302 fputs(str, f);
303 }
304 }
305
306 void do_show_super_stats(int argc, char *argv[])
307 {
308 dgrp_t i;
309 FILE *out;
310 struct ext2_group_desc *gdp;
311 int c, header_only = 0;
312 int numdirs = 0, first, gdt_csum;
313
314 reset_getopt();
315 while ((c = getopt (argc, argv, "h")) != EOF) {
316 switch (c) {
317 case 'h':
318 header_only++;
319 break;
320 default:
321 goto print_usage;
322 }
323 }
324 if (optind != argc) {
325 goto print_usage;
326 }
327 if (check_fs_open(argv[0]))
328 return;
329 out = open_pager();
330
331 list_super2(current_fs->super, out);
332 for (i=0; i < current_fs->group_desc_count; i++)
333 numdirs += current_fs->group_desc[i].bg_used_dirs_count;
334 fprintf(out, "Directories: %d\n", numdirs);
335
336 if (header_only) {
337 close_pager(out);
338 return;
339 }
340
341 gdt_csum = EXT2_HAS_RO_COMPAT_FEATURE(current_fs->super,
342 EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
343 gdp = &current_fs->group_desc[0];
344 for (i = 0; i < current_fs->group_desc_count; i++, gdp++) {
345 fprintf(out, " Group %2d: block bitmap at %u, "
346 "inode bitmap at %u, "
347 "inode table at %u\n"
348 " %d free %s, "
349 "%d free %s, "
350 "%d used %s%s",
351 i, gdp->bg_block_bitmap,
352 gdp->bg_inode_bitmap, gdp->bg_inode_table,
353 gdp->bg_free_blocks_count,
354 gdp->bg_free_blocks_count != 1 ? "blocks" : "block",
355 gdp->bg_free_inodes_count,
356 gdp->bg_free_inodes_count != 1 ? "inodes" : "inode",
357 gdp->bg_used_dirs_count,
358 gdp->bg_used_dirs_count != 1 ? "directories"
359 : "directory", gdt_csum ? ", " : "\n");
360 if (gdt_csum)
361 fprintf(out, "%d unused %s\n",
362 gdp->bg_itable_unused,
363 gdp->bg_itable_unused != 1 ? "inodes":"inode");
364 first = 1;
365 print_bg_opts(current_fs, i, EXT2_BG_INODE_UNINIT, "Inode not init",
366 &first, out);
367 print_bg_opts(current_fs, i, EXT2_BG_BLOCK_UNINIT, "Block not init",
368 &first, out);
369 if (gdt_csum) {
370 fprintf(out, "%sChecksum 0x%04x",
371 first ? " [":", ", gdp->bg_checksum);
372 first = 0;
373 }
374 if (!first)
375 fputs("]\n", out);
376 }
377 close_pager(out);
378 return;
379 print_usage:
380 fprintf(stderr, "%s: Usage: show_super [-h]\n", argv[0]);
381 }
382
383 void do_dirty_filesys(int argc EXT2FS_ATTR((unused)),
384 char **argv EXT2FS_ATTR((unused)))
385 {
386 if (check_fs_open(argv[0]))
387 return;
388 if (check_fs_read_write(argv[0]))
389 return;
390
391 if (argv[1] && !strcmp(argv[1], "-clean"))
392 current_fs->super->s_state |= EXT2_VALID_FS;
393 else
394 current_fs->super->s_state &= ~EXT2_VALID_FS;
395 ext2fs_mark_super_dirty(current_fs);
396 }
397
398 struct list_blocks_struct {
399 FILE *f;
400 e2_blkcnt_t total;
401 blk_t first_block, last_block;
402 e2_blkcnt_t first_bcnt, last_bcnt;
403 e2_blkcnt_t first;
404 };
405
406 static void finish_range(struct list_blocks_struct *lb)
407 {
408 if (lb->first_block == 0)
409 return;
410 if (lb->first)
411 lb->first = 0;
412 else
413 fprintf(lb->f, ", ");
414 if (lb->first_block == lb->last_block)
415 fprintf(lb->f, "(%lld):%u",
416 (long long)lb->first_bcnt, lb->first_block);
417 else
418 fprintf(lb->f, "(%lld-%lld):%u-%u",
419 (long long)lb->first_bcnt, (long long)lb->last_bcnt,
420 lb->first_block, lb->last_block);
421 lb->first_block = 0;
422 }
423
424 static int list_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
425 blk_t *blocknr, e2_blkcnt_t blockcnt,
426 blk_t ref_block EXT2FS_ATTR((unused)),
427 int ref_offset EXT2FS_ATTR((unused)),
428 void *private)
429 {
430 struct list_blocks_struct *lb = (struct list_blocks_struct *) private;
431
432 lb->total++;
433 if (blockcnt >= 0) {
434 /*
435 * See if we can add on to the existing range (if it exists)
436 */
437 if (lb->first_block &&
438 (lb->last_block+1 == *blocknr) &&
439 (lb->last_bcnt+1 == blockcnt)) {
440 lb->last_block = *blocknr;
441 lb->last_bcnt = blockcnt;
442 return 0;
443 }
444 /*
445 * Start a new range.
446 */
447 finish_range(lb);
448 lb->first_block = lb->last_block = *blocknr;
449 lb->first_bcnt = lb->last_bcnt = blockcnt;
450 return 0;
451 }
452 /*
453 * Not a normal block. Always force a new range.
454 */
455 finish_range(lb);
456 if (lb->first)
457 lb->first = 0;
458 else
459 fprintf(lb->f, ", ");
460 if (blockcnt == -1)
461 fprintf(lb->f, "(IND):%u", *blocknr);
462 else if (blockcnt == -2)
463 fprintf(lb->f, "(DIND):%u", *blocknr);
464 else if (blockcnt == -3)
465 fprintf(lb->f, "(TIND):%u", *blocknr);
466 return 0;
467 }
468
469 static void dump_xattr_string(FILE *out, const char *str, int len)
470 {
471 int printable = 0;
472 int i;
473
474 /* check: is string "printable enough?" */
475 for (i = 0; i < len; i++)
476 if (isprint(str[i]))
477 printable++;
478
479 if (printable <= len*7/8)
480 printable = 0;
481
482 for (i = 0; i < len; i++)
483 if (printable)
484 fprintf(out, isprint(str[i]) ? "%c" : "\\%03o",
485 (unsigned char)str[i]);
486 else
487 fprintf(out, "%02x ", (unsigned char)str[i]);
488 }
489
490 static void internal_dump_inode_extra(FILE *out,
491 const char *prefix EXT2FS_ATTR((unused)),
492 ext2_ino_t inode_num EXT2FS_ATTR((unused)),
493 struct ext2_inode_large *inode)
494 {
495 struct ext2_ext_attr_entry *entry;
496 __u32 *magic;
497 char *start, *end;
498 unsigned int storage_size;
499
500 fprintf(out, "Size of extra inode fields: %u\n", inode->i_extra_isize);
501 if (inode->i_extra_isize > EXT2_INODE_SIZE(current_fs->super) -
502 EXT2_GOOD_OLD_INODE_SIZE) {
503 fprintf(stderr, "invalid inode->i_extra_isize (%u)\n",
504 inode->i_extra_isize);
505 return;
506 }
507 storage_size = EXT2_INODE_SIZE(current_fs->super) -
508 EXT2_GOOD_OLD_INODE_SIZE -
509 inode->i_extra_isize;
510 magic = (__u32 *)((char *)inode + EXT2_GOOD_OLD_INODE_SIZE +
511 inode->i_extra_isize);
512 if (*magic == EXT2_EXT_ATTR_MAGIC) {
513 fprintf(out, "Extended attributes stored in inode body: \n");
514 end = (char *) inode + EXT2_INODE_SIZE(current_fs->super);
515 start = (char *) magic + sizeof(__u32);
516 entry = (struct ext2_ext_attr_entry *) start;
517 while (!EXT2_EXT_IS_LAST_ENTRY(entry)) {
518 struct ext2_ext_attr_entry *next =
519 EXT2_EXT_ATTR_NEXT(entry);
520 if (entry->e_value_size > storage_size ||
521 (char *) next >= end) {
522 fprintf(out, "invalid EA entry in inode\n");
523 return;
524 }
525 fprintf(out, " ");
526 dump_xattr_string(out, EXT2_EXT_ATTR_NAME(entry),
527 entry->e_name_len);
528 fprintf(out, " = \"");
529 dump_xattr_string(out, start + entry->e_value_offs,
530 entry->e_value_size);
531 fprintf(out, "\" (%u)\n", entry->e_value_size);
532 entry = next;
533 }
534 }
535 }
536
537 static void dump_blocks(FILE *f, const char *prefix, ext2_ino_t inode)
538 {
539 struct list_blocks_struct lb;
540
541 fprintf(f, "%sBLOCKS:\n%s", prefix, prefix);
542 lb.total = 0;
543 lb.first_block = 0;
544 lb.f = f;
545 lb.first = 1;
546 ext2fs_block_iterate2(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
547 list_blocks_proc, (void *)&lb);
548 finish_range(&lb);
549 if (lb.total)
550 fprintf(f, "\n%sTOTAL: %lld\n", prefix, (long long)lb.total);
551 fprintf(f,"\n");
552 }
553
554 static int int_log10(unsigned long long arg)
555 {
556 int l = 0;
557
558 arg = arg / 10;
559 while (arg) {
560 l++;
561 arg = arg / 10;
562 }
563 return l;
564 }
565
566 #define DUMP_LEAF_EXTENTS 0x01
567 #define DUMP_NODE_EXTENTS 0x02
568 #define DUMP_EXTENT_TABLE 0x04
569
570 static void dump_extents(FILE *f, const char *prefix, ext2_ino_t ino,
571 int flags, int logical_width, int physical_width)
572 {
573 ext2_extent_handle_t handle;
574 struct ext2fs_extent extent;
575 struct ext2_extent_info info;
576 int op = EXT2_EXTENT_ROOT;
577 unsigned int printed = 0;
578 errcode_t errcode;
579
580 errcode = ext2fs_extent_open(current_fs, ino, &handle);
581 if (errcode)
582 return;
583
584 if (flags & DUMP_EXTENT_TABLE)
585 fprintf(f, "Level Entries %*s %*s Length Flags\n",
586 (logical_width*2)+3, "Logical",
587 (physical_width*2)+3, "Physical");
588 else
589 fprintf(f, "%sEXTENTS:\n%s", prefix, prefix);
590
591 while (1) {
592 errcode = ext2fs_extent_get(handle, op, &extent);
593
594 if (errcode)
595 break;
596
597 op = EXT2_EXTENT_NEXT;
598
599 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
600 continue;
601
602 if (extent.e_flags & EXT2_EXTENT_FLAGS_LEAF) {
603 if ((flags & DUMP_LEAF_EXTENTS) == 0)
604 continue;
605 } else {
606 if ((flags & DUMP_NODE_EXTENTS) == 0)
607 continue;
608 }
609
610 errcode = ext2fs_extent_get_info(handle, &info);
611 if (errcode)
612 continue;
613
614 if (!(extent.e_flags & EXT2_EXTENT_FLAGS_LEAF)) {
615 if (extent.e_flags & EXT2_EXTENT_FLAGS_SECOND_VISIT)
616 continue;
617
618 if (flags & DUMP_EXTENT_TABLE) {
619 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
620 "%*llu%*s %6u\n",
621 info.curr_level, info.max_depth,
622 info.curr_entry, info.num_entries,
623 logical_width,
624 extent.e_lblk,
625 logical_width,
626 extent.e_lblk + (extent.e_len - 1),
627 physical_width,
628 extent.e_pblk,
629 physical_width+3, "", extent.e_len);
630 continue;
631 }
632
633 fprintf(f, "%s(NODE #%d, %lld-%lld, blk %lld)",
634 printed ? ", " : "",
635 info.curr_entry,
636 extent.e_lblk,
637 extent.e_lblk + (extent.e_len - 1),
638 extent.e_pblk);
639 printed = 1;
640 continue;
641 }
642
643 if (flags & DUMP_EXTENT_TABLE) {
644 fprintf(f, "%2d/%2d %3d/%3d %*llu - %*llu "
645 "%*llu - %*llu %6u %s\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,
655 extent.e_pblk + (extent.e_len - 1),
656 extent.e_len,
657 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
658 "Uninit" : "");
659 continue;
660 }
661
662 if (extent.e_len == 0)
663 continue;
664 else if (extent.e_len == 1)
665 fprintf(f,
666 "%s(%lld%s): %lld",
667 printed ? ", " : "",
668 extent.e_lblk,
669 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
670 " [uninit]" : "",
671 extent.e_pblk);
672 else
673 fprintf(f,
674 "%s(%lld-%lld%s): %lld-%lld",
675 printed ? ", " : "",
676 extent.e_lblk,
677 extent.e_lblk + (extent.e_len - 1),
678 extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT ?
679 " [uninit]" : "",
680 extent.e_pblk,
681 extent.e_pblk + (extent.e_len - 1));
682 printed = 1;
683 }
684 if (printed)
685 fprintf(f, "\n");
686 }
687
688 void internal_dump_inode(FILE *out, const char *prefix,
689 ext2_ino_t inode_num, struct ext2_inode *inode,
690 int do_dump_blocks)
691 {
692 const char *i_type;
693 char frag, fsize;
694 int os = current_fs->super->s_creator_os;
695 struct ext2_inode_large *large_inode;
696 int is_large_inode = 0;
697
698 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
699 is_large_inode = 1;
700 large_inode = (struct ext2_inode_large *) inode;
701
702 if (LINUX_S_ISDIR(inode->i_mode)) i_type = "directory";
703 else if (LINUX_S_ISREG(inode->i_mode)) i_type = "regular";
704 else if (LINUX_S_ISLNK(inode->i_mode)) i_type = "symlink";
705 else if (LINUX_S_ISBLK(inode->i_mode)) i_type = "block special";
706 else if (LINUX_S_ISCHR(inode->i_mode)) i_type = "character special";
707 else if (LINUX_S_ISFIFO(inode->i_mode)) i_type = "FIFO";
708 else if (LINUX_S_ISSOCK(inode->i_mode)) i_type = "socket";
709 else i_type = "bad type";
710 fprintf(out, "%sInode: %u Type: %s ", prefix, inode_num, i_type);
711 fprintf(out, "%sMode: %04o Flags: 0x%x\n",
712 prefix, inode->i_mode & 0777, inode->i_flags);
713 if (is_large_inode && large_inode->i_extra_isize >= 24) {
714 fprintf(out, "%sGeneration: %u Version: 0x%08x:%08x\n",
715 prefix, inode->i_generation, large_inode->i_version_hi,
716 inode->osd1.linux1.l_i_version);
717 } else {
718 fprintf(out, "%sGeneration: %u Version: 0x%08x\n", prefix,
719 inode->i_generation, inode->osd1.linux1.l_i_version);
720 }
721 fprintf(out, "%sUser: %5d Group: %5d Size: ",
722 prefix, inode_uid(*inode), inode_gid(*inode));
723 if (LINUX_S_ISREG(inode->i_mode)) {
724 unsigned long long i_size = (inode->i_size |
725 ((unsigned long long)inode->i_size_high << 32));
726
727 fprintf(out, "%llu\n", i_size);
728 } else
729 fprintf(out, "%d\n", inode->i_size);
730 if (os == EXT2_OS_HURD)
731 fprintf(out,
732 "%sFile ACL: %d Directory ACL: %d Translator: %d\n",
733 prefix,
734 inode->i_file_acl, LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0,
735 inode->osd1.hurd1.h_i_translator);
736 else
737 fprintf(out, "%sFile ACL: %llu Directory ACL: %d\n",
738 prefix,
739 inode->i_file_acl | ((long long)
740 (inode->osd2.linux2.l_i_file_acl_high) << 32),
741 LINUX_S_ISDIR(inode->i_mode) ? inode->i_dir_acl : 0);
742 if (os == EXT2_OS_LINUX)
743 fprintf(out, "%sLinks: %d Blockcount: %llu\n",
744 prefix, inode->i_links_count,
745 (((unsigned long long)
746 inode->osd2.linux2.l_i_blocks_hi << 32)) +
747 inode->i_blocks);
748 else
749 fprintf(out, "%sLinks: %d Blockcount: %u\n",
750 prefix, inode->i_links_count, inode->i_blocks);
751 switch (os) {
752 case EXT2_OS_HURD:
753 frag = inode->osd2.hurd2.h_i_frag;
754 fsize = inode->osd2.hurd2.h_i_fsize;
755 break;
756 default:
757 frag = fsize = 0;
758 }
759 fprintf(out, "%sFragment: Address: %d Number: %d Size: %d\n",
760 prefix, inode->i_faddr, frag, fsize);
761 if (is_large_inode && large_inode->i_extra_isize >= 24) {
762 fprintf(out, "%s ctime: 0x%08x:%08x -- %s", prefix,
763 inode->i_ctime, large_inode->i_ctime_extra,
764 time_to_string(inode->i_ctime));
765 fprintf(out, "%s atime: 0x%08x:%08x -- %s", prefix,
766 inode->i_atime, large_inode->i_atime_extra,
767 time_to_string(inode->i_atime));
768 fprintf(out, "%s mtime: 0x%08x:%08x -- %s", prefix,
769 inode->i_mtime, large_inode->i_mtime_extra,
770 time_to_string(inode->i_mtime));
771 fprintf(out, "%scrtime: 0x%08x:%08x -- %s", prefix,
772 large_inode->i_crtime, large_inode->i_crtime_extra,
773 time_to_string(large_inode->i_crtime));
774 } else {
775 fprintf(out, "%sctime: 0x%08x -- %s", prefix, inode->i_ctime,
776 time_to_string(inode->i_ctime));
777 fprintf(out, "%satime: 0x%08x -- %s", prefix, inode->i_atime,
778 time_to_string(inode->i_atime));
779 fprintf(out, "%smtime: 0x%08x -- %s", prefix, inode->i_mtime,
780 time_to_string(inode->i_mtime));
781 }
782 if (inode->i_dtime)
783 fprintf(out, "%sdtime: 0x%08x -- %s", prefix, inode->i_dtime,
784 time_to_string(inode->i_dtime));
785 if (EXT2_INODE_SIZE(current_fs->super) > EXT2_GOOD_OLD_INODE_SIZE)
786 internal_dump_inode_extra(out, prefix, inode_num,
787 (struct ext2_inode_large *) inode);
788 if (LINUX_S_ISLNK(inode->i_mode) && ext2fs_inode_data_blocks(current_fs,inode) == 0)
789 fprintf(out, "%sFast_link_dest: %.*s\n", prefix,
790 (int) inode->i_size, (char *)inode->i_block);
791 else if (LINUX_S_ISBLK(inode->i_mode) || LINUX_S_ISCHR(inode->i_mode)) {
792 int major, minor;
793 const char *devnote;
794
795 if (inode->i_block[0]) {
796 major = (inode->i_block[0] >> 8) & 255;
797 minor = inode->i_block[0] & 255;
798 devnote = "";
799 } else {
800 major = (inode->i_block[1] & 0xfff00) >> 8;
801 minor = ((inode->i_block[1] & 0xff) |
802 ((inode->i_block[1] >> 12) & 0xfff00));
803 devnote = "(New-style) ";
804 }
805 fprintf(out, "%sDevice major/minor number: %02d:%02d (hex %02x:%02x)\n",
806 devnote, major, minor, major, minor);
807 } else if (do_dump_blocks) {
808 if (inode->i_flags & EXT4_EXTENTS_FL)
809 dump_extents(out, prefix, inode_num,
810 DUMP_LEAF_EXTENTS, 0, 0);
811 else
812 dump_blocks(out, prefix, inode_num);
813 }
814 }
815
816 static void dump_inode(ext2_ino_t inode_num, struct ext2_inode *inode)
817 {
818 FILE *out;
819
820 out = open_pager();
821 internal_dump_inode(out, "", inode_num, inode, 1);
822 close_pager(out);
823 }
824
825 void do_stat(int argc, char *argv[])
826 {
827 ext2_ino_t inode;
828 struct ext2_inode * inode_buf;
829
830 if (check_fs_open(argv[0]))
831 return;
832
833 inode_buf = (struct ext2_inode *)
834 malloc(EXT2_INODE_SIZE(current_fs->super));
835 if (!inode_buf) {
836 fprintf(stderr, "do_stat: can't allocate buffer\n");
837 return;
838 }
839
840 if (common_inode_args_process(argc, argv, &inode, 0)) {
841 free(inode_buf);
842 return;
843 }
844
845 if (debugfs_read_inode_full(inode, inode_buf, argv[0],
846 EXT2_INODE_SIZE(current_fs->super))) {
847 free(inode_buf);
848 return;
849 }
850
851 dump_inode(inode, inode_buf);
852 free(inode_buf);
853 return;
854 }
855
856 void do_dump_extents(int argc, char *argv[])
857 {
858 struct ext2_inode inode;
859 ext2_ino_t ino;
860 FILE *out;
861 int c, flags = 0;
862 int logical_width;
863 int physical_width;
864
865 reset_getopt();
866 while ((c = getopt(argc, argv, "nl")) != EOF) {
867 switch (c) {
868 case 'n':
869 flags |= DUMP_NODE_EXTENTS;
870 break;
871 case 'l':
872 flags |= DUMP_LEAF_EXTENTS;
873 break;
874 }
875 }
876
877 if (argc != optind+1) {
878 print_usage:
879 com_err(0, 0, "Usage: dump_extents [-n] [-l] file");
880 return;
881 }
882
883 if (flags == 0)
884 flags = DUMP_NODE_EXTENTS | DUMP_LEAF_EXTENTS;
885 flags |= DUMP_EXTENT_TABLE;
886
887 if (check_fs_open(argv[0]))
888 return;
889
890 ino = string_to_inode(argv[optind]);
891 if (ino == 0)
892 return;
893
894 if (debugfs_read_inode(ino, &inode, argv[0]))
895 return;
896
897 if ((inode.i_flags & EXT4_EXTENTS_FL) == 0) {
898 fprintf(stderr, "%s: does not uses extent block maps\n",
899 argv[optind]);
900 return;
901 }
902
903 logical_width = int_log10(((inode.i_size |
904 (__u64) inode.i_size_high << 32) +
905 current_fs->blocksize - 1) /
906 current_fs->blocksize) + 1;
907 if (logical_width < 5)
908 logical_width = 5;
909 physical_width = int_log10(ext2fs_blocks_count(current_fs->super)) + 1;
910 if (physical_width < 5)
911 physical_width = 5;
912
913 out = open_pager();
914 dump_extents(out, "", ino, flags, logical_width, physical_width);
915 close_pager(out);
916 return;
917 }
918
919 void do_chroot(int argc, char *argv[])
920 {
921 ext2_ino_t inode;
922 int retval;
923
924 if (common_inode_args_process(argc, argv, &inode, 0))
925 return;
926
927 retval = ext2fs_check_directory(current_fs, inode);
928 if (retval) {
929 com_err(argv[1], retval, 0);
930 return;
931 }
932 root = inode;
933 }
934
935 void do_clri(int argc, char *argv[])
936 {
937 ext2_ino_t inode;
938 struct ext2_inode inode_buf;
939
940 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
941 return;
942
943 if (debugfs_read_inode(inode, &inode_buf, argv[0]))
944 return;
945 memset(&inode_buf, 0, sizeof(inode_buf));
946 if (debugfs_write_inode(inode, &inode_buf, argv[0]))
947 return;
948 }
949
950 void do_freei(int argc, char *argv[])
951 {
952 ext2_ino_t inode;
953
954 if (common_inode_args_process(argc, argv, &inode,
955 CHECK_FS_RW | CHECK_FS_BITMAPS))
956 return;
957
958 if (!ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
959 com_err(argv[0], 0, "Warning: inode already clear");
960 ext2fs_unmark_inode_bitmap2(current_fs->inode_map,inode);
961 ext2fs_mark_ib_dirty(current_fs);
962 }
963
964 void do_seti(int argc, char *argv[])
965 {
966 ext2_ino_t inode;
967
968 if (common_inode_args_process(argc, argv, &inode,
969 CHECK_FS_RW | CHECK_FS_BITMAPS))
970 return;
971
972 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
973 com_err(argv[0], 0, "Warning: inode already set");
974 ext2fs_mark_inode_bitmap2(current_fs->inode_map,inode);
975 ext2fs_mark_ib_dirty(current_fs);
976 }
977
978 void do_testi(int argc, char *argv[])
979 {
980 ext2_ino_t inode;
981
982 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_BITMAPS))
983 return;
984
985 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,inode))
986 printf("Inode %u is marked in use\n", inode);
987 else
988 printf("Inode %u is not in use\n", inode);
989 }
990
991 void do_freeb(int argc, char *argv[])
992 {
993 blk_t block;
994 blk_t count = 1;
995
996 if (common_block_args_process(argc, argv, &block, &count))
997 return;
998 if (check_fs_read_write(argv[0]))
999 return;
1000 while (count-- > 0) {
1001 if (!ext2fs_test_block_bitmap2(current_fs->block_map,block))
1002 com_err(argv[0], 0, "Warning: block %u already clear",
1003 block);
1004 ext2fs_unmark_block_bitmap2(current_fs->block_map,block);
1005 block++;
1006 }
1007 ext2fs_mark_bb_dirty(current_fs);
1008 }
1009
1010 void do_setb(int argc, char *argv[])
1011 {
1012 blk_t block;
1013 blk_t count = 1;
1014
1015 if (common_block_args_process(argc, argv, &block, &count))
1016 return;
1017 if (check_fs_read_write(argv[0]))
1018 return;
1019 while (count-- > 0) {
1020 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1021 com_err(argv[0], 0, "Warning: block %u already set",
1022 block);
1023 ext2fs_mark_block_bitmap2(current_fs->block_map,block);
1024 block++;
1025 }
1026 ext2fs_mark_bb_dirty(current_fs);
1027 }
1028
1029 void do_testb(int argc, char *argv[])
1030 {
1031 blk_t block;
1032 blk_t count = 1;
1033
1034 if (common_block_args_process(argc, argv, &block, &count))
1035 return;
1036 while (count-- > 0) {
1037 if (ext2fs_test_block_bitmap2(current_fs->block_map,block))
1038 printf("Block %u marked in use\n", block);
1039 else
1040 printf("Block %u not in use\n", block);
1041 block++;
1042 }
1043 }
1044
1045 static void modify_u8(char *com, const char *prompt,
1046 const char *format, __u8 *val)
1047 {
1048 char buf[200];
1049 unsigned long v;
1050 char *tmp;
1051
1052 sprintf(buf, format, *val);
1053 printf("%30s [%s] ", prompt, buf);
1054 if (!fgets(buf, sizeof(buf), stdin))
1055 return;
1056 if (buf[strlen (buf) - 1] == '\n')
1057 buf[strlen (buf) - 1] = '\0';
1058 if (!buf[0])
1059 return;
1060 v = strtoul(buf, &tmp, 0);
1061 if (*tmp)
1062 com_err(com, 0, "Bad value - %s", buf);
1063 else
1064 *val = v;
1065 }
1066
1067 static void modify_u16(char *com, const char *prompt,
1068 const char *format, __u16 *val)
1069 {
1070 char buf[200];
1071 unsigned long v;
1072 char *tmp;
1073
1074 sprintf(buf, format, *val);
1075 printf("%30s [%s] ", prompt, buf);
1076 if (!fgets(buf, sizeof(buf), stdin))
1077 return;
1078 if (buf[strlen (buf) - 1] == '\n')
1079 buf[strlen (buf) - 1] = '\0';
1080 if (!buf[0])
1081 return;
1082 v = strtoul(buf, &tmp, 0);
1083 if (*tmp)
1084 com_err(com, 0, "Bad value - %s", buf);
1085 else
1086 *val = v;
1087 }
1088
1089 static void modify_u32(char *com, const char *prompt,
1090 const char *format, __u32 *val)
1091 {
1092 char buf[200];
1093 unsigned long v;
1094 char *tmp;
1095
1096 sprintf(buf, format, *val);
1097 printf("%30s [%s] ", prompt, buf);
1098 if (!fgets(buf, sizeof(buf), stdin))
1099 return;
1100 if (buf[strlen (buf) - 1] == '\n')
1101 buf[strlen (buf) - 1] = '\0';
1102 if (!buf[0])
1103 return;
1104 v = strtoul(buf, &tmp, 0);
1105 if (*tmp)
1106 com_err(com, 0, "Bad value - %s", buf);
1107 else
1108 *val = v;
1109 }
1110
1111
1112 void do_modify_inode(int argc, char *argv[])
1113 {
1114 struct ext2_inode inode;
1115 ext2_ino_t inode_num;
1116 int i;
1117 unsigned char *frag, *fsize;
1118 char buf[80];
1119 int os;
1120 const char *hex_format = "0x%x";
1121 const char *octal_format = "0%o";
1122 const char *decimal_format = "%d";
1123 const char *unsignedlong_format = "%lu";
1124
1125 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1126 return;
1127
1128 os = current_fs->super->s_creator_os;
1129
1130 if (debugfs_read_inode(inode_num, &inode, argv[1]))
1131 return;
1132
1133 modify_u16(argv[0], "Mode", octal_format, &inode.i_mode);
1134 modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid);
1135 modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid);
1136 modify_u32(argv[0], "Size", unsignedlong_format, &inode.i_size);
1137 modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime);
1138 modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime);
1139 modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime);
1140 modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime);
1141 modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count);
1142 if (os == EXT2_OS_LINUX)
1143 modify_u16(argv[0], "Block count high", unsignedlong_format,
1144 &inode.osd2.linux2.l_i_blocks_hi);
1145 modify_u32(argv[0], "Block count", unsignedlong_format, &inode.i_blocks);
1146 modify_u32(argv[0], "File flags", hex_format, &inode.i_flags);
1147 modify_u32(argv[0], "Generation", hex_format, &inode.i_generation);
1148 #if 0
1149 modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1);
1150 #endif
1151 modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl);
1152 if (LINUX_S_ISDIR(inode.i_mode))
1153 modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl);
1154 else
1155 modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high);
1156
1157 if (os == EXT2_OS_HURD)
1158 modify_u32(argv[0], "Translator Block",
1159 decimal_format, &inode.osd1.hurd1.h_i_translator);
1160
1161 modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr);
1162 switch (os) {
1163 case EXT2_OS_HURD:
1164 frag = &inode.osd2.hurd2.h_i_frag;
1165 fsize = &inode.osd2.hurd2.h_i_fsize;
1166 break;
1167 default:
1168 frag = fsize = 0;
1169 }
1170 if (frag)
1171 modify_u8(argv[0], "Fragment number", decimal_format, frag);
1172 if (fsize)
1173 modify_u8(argv[0], "Fragment size", decimal_format, fsize);
1174
1175 for (i=0; i < EXT2_NDIR_BLOCKS; i++) {
1176 sprintf(buf, "Direct Block #%d", i);
1177 modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]);
1178 }
1179 modify_u32(argv[0], "Indirect Block", decimal_format,
1180 &inode.i_block[EXT2_IND_BLOCK]);
1181 modify_u32(argv[0], "Double Indirect Block", decimal_format,
1182 &inode.i_block[EXT2_DIND_BLOCK]);
1183 modify_u32(argv[0], "Triple Indirect Block", decimal_format,
1184 &inode.i_block[EXT2_TIND_BLOCK]);
1185 if (debugfs_write_inode(inode_num, &inode, argv[1]))
1186 return;
1187 }
1188
1189 void do_change_working_dir(int argc, char *argv[])
1190 {
1191 ext2_ino_t inode;
1192 int retval;
1193
1194 if (common_inode_args_process(argc, argv, &inode, 0))
1195 return;
1196
1197 retval = ext2fs_check_directory(current_fs, inode);
1198 if (retval) {
1199 com_err(argv[1], retval, 0);
1200 return;
1201 }
1202 cwd = inode;
1203 return;
1204 }
1205
1206 void do_print_working_directory(int argc, char *argv[])
1207 {
1208 int retval;
1209 char *pathname = NULL;
1210
1211 if (common_args_process(argc, argv, 1, 1,
1212 "print_working_directory", "", 0))
1213 return;
1214
1215 retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname);
1216 if (retval) {
1217 com_err(argv[0], retval,
1218 "while trying to get pathname of cwd");
1219 }
1220 printf("[pwd] INODE: %6u PATH: %s\n",
1221 cwd, pathname ? pathname : "NULL");
1222 if (pathname) {
1223 free(pathname);
1224 pathname = NULL;
1225 }
1226 retval = ext2fs_get_pathname(current_fs, root, 0, &pathname);
1227 if (retval) {
1228 com_err(argv[0], retval,
1229 "while trying to get pathname of root");
1230 }
1231 printf("[root] INODE: %6u PATH: %s\n",
1232 root, pathname ? pathname : "NULL");
1233 if (pathname) {
1234 free(pathname);
1235 pathname = NULL;
1236 }
1237 return;
1238 }
1239
1240 /*
1241 * Given a mode, return the ext2 file type
1242 */
1243 static int ext2_file_type(unsigned int mode)
1244 {
1245 if (LINUX_S_ISREG(mode))
1246 return EXT2_FT_REG_FILE;
1247
1248 if (LINUX_S_ISDIR(mode))
1249 return EXT2_FT_DIR;
1250
1251 if (LINUX_S_ISCHR(mode))
1252 return EXT2_FT_CHRDEV;
1253
1254 if (LINUX_S_ISBLK(mode))
1255 return EXT2_FT_BLKDEV;
1256
1257 if (LINUX_S_ISLNK(mode))
1258 return EXT2_FT_SYMLINK;
1259
1260 if (LINUX_S_ISFIFO(mode))
1261 return EXT2_FT_FIFO;
1262
1263 if (LINUX_S_ISSOCK(mode))
1264 return EXT2_FT_SOCK;
1265
1266 return 0;
1267 }
1268
1269 static void make_link(char *sourcename, char *destname)
1270 {
1271 ext2_ino_t ino;
1272 struct ext2_inode inode;
1273 int retval;
1274 ext2_ino_t dir;
1275 char *dest, *cp, *base_name;
1276
1277 /*
1278 * Get the source inode
1279 */
1280 ino = string_to_inode(sourcename);
1281 if (!ino)
1282 return;
1283 base_name = strrchr(sourcename, '/');
1284 if (base_name)
1285 base_name++;
1286 else
1287 base_name = sourcename;
1288 /*
1289 * Figure out the destination. First see if it exists and is
1290 * a directory.
1291 */
1292 if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir)))
1293 dest = base_name;
1294 else {
1295 /*
1296 * OK, it doesn't exist. See if it is
1297 * '<dir>/basename' or 'basename'
1298 */
1299 cp = strrchr(destname, '/');
1300 if (cp) {
1301 *cp = 0;
1302 dir = string_to_inode(destname);
1303 if (!dir)
1304 return;
1305 dest = cp+1;
1306 } else {
1307 dir = cwd;
1308 dest = destname;
1309 }
1310 }
1311
1312 if (debugfs_read_inode(ino, &inode, sourcename))
1313 return;
1314
1315 retval = ext2fs_link(current_fs, dir, dest, ino,
1316 ext2_file_type(inode.i_mode));
1317 if (retval)
1318 com_err("make_link", retval, 0);
1319 return;
1320 }
1321
1322
1323 void do_link(int argc, char *argv[])
1324 {
1325 if (common_args_process(argc, argv, 3, 3, "link",
1326 "<source file> <dest_name>", CHECK_FS_RW))
1327 return;
1328
1329 make_link(argv[1], argv[2]);
1330 }
1331
1332 static int mark_blocks_proc(ext2_filsys fs, blk_t *blocknr,
1333 int blockcnt EXT2FS_ATTR((unused)),
1334 void *private EXT2FS_ATTR((unused)))
1335 {
1336 blk_t block;
1337
1338 block = *blocknr;
1339 ext2fs_block_alloc_stats(fs, block, +1);
1340 return 0;
1341 }
1342
1343 void do_undel(int argc, char *argv[])
1344 {
1345 ext2_ino_t ino;
1346 struct ext2_inode inode;
1347
1348 if (common_args_process(argc, argv, 2, 3, "undelete",
1349 "<inode_num> [dest_name]",
1350 CHECK_FS_RW | CHECK_FS_BITMAPS))
1351 return;
1352
1353 ino = string_to_inode(argv[1]);
1354 if (!ino)
1355 return;
1356
1357 if (debugfs_read_inode(ino, &inode, argv[1]))
1358 return;
1359
1360 if (ext2fs_test_inode_bitmap2(current_fs->inode_map, ino)) {
1361 com_err(argv[1], 0, "Inode is not marked as deleted");
1362 return;
1363 }
1364
1365 /*
1366 * XXX this function doesn't handle changing the links count on the
1367 * parent directory when undeleting a directory.
1368 */
1369 inode.i_links_count = LINUX_S_ISDIR(inode.i_mode) ? 2 : 1;
1370 inode.i_dtime = 0;
1371
1372 if (debugfs_write_inode(ino, &inode, argv[0]))
1373 return;
1374
1375 ext2fs_block_iterate(current_fs, ino, BLOCK_FLAG_READ_ONLY, NULL,
1376 mark_blocks_proc, NULL);
1377
1378 ext2fs_inode_alloc_stats2(current_fs, ino, +1, 0);
1379
1380 if (argc > 2)
1381 make_link(argv[1], argv[2]);
1382 }
1383
1384 static void unlink_file_by_name(char *filename)
1385 {
1386 int retval;
1387 ext2_ino_t dir;
1388 char *base_name;
1389
1390 base_name = strrchr(filename, '/');
1391 if (base_name) {
1392 *base_name++ = '\0';
1393 dir = string_to_inode(filename);
1394 if (!dir)
1395 return;
1396 } else {
1397 dir = cwd;
1398 base_name = filename;
1399 }
1400 retval = ext2fs_unlink(current_fs, dir, base_name, 0, 0);
1401 if (retval)
1402 com_err("unlink_file_by_name", retval, 0);
1403 return;
1404 }
1405
1406 void do_unlink(int argc, char *argv[])
1407 {
1408 if (common_args_process(argc, argv, 2, 2, "link",
1409 "<pathname>", CHECK_FS_RW))
1410 return;
1411
1412 unlink_file_by_name(argv[1]);
1413 }
1414
1415 void do_find_free_block(int argc, char *argv[])
1416 {
1417 blk_t free_blk, goal, first_free = 0;
1418 int count;
1419 errcode_t retval;
1420 char *tmp;
1421
1422 if ((argc > 3) || (argc==2 && *argv[1] == '?')) {
1423 com_err(argv[0], 0, "Usage: find_free_block [count [goal]]");
1424 return;
1425 }
1426 if (check_fs_open(argv[0]))
1427 return;
1428
1429 if (argc > 1) {
1430 count = strtol(argv[1],&tmp,0);
1431 if (*tmp) {
1432 com_err(argv[0], 0, "Bad count - %s", argv[1]);
1433 return;
1434 }
1435 } else
1436 count = 1;
1437
1438 if (argc > 2) {
1439 goal = strtol(argv[2], &tmp, 0);
1440 if (*tmp) {
1441 com_err(argv[0], 0, "Bad goal - %s", argv[1]);
1442 return;
1443 }
1444 }
1445 else
1446 goal = current_fs->super->s_first_data_block;
1447
1448 printf("Free blocks found: ");
1449 free_blk = goal - 1;
1450 while (count-- > 0) {
1451 retval = ext2fs_new_block(current_fs, free_blk + 1, 0,
1452 &free_blk);
1453 if (first_free) {
1454 if (first_free == free_blk)
1455 break;
1456 } else
1457 first_free = free_blk;
1458 if (retval) {
1459 com_err("ext2fs_new_block", retval, 0);
1460 return;
1461 } else
1462 printf("%u ", free_blk);
1463 }
1464 printf("\n");
1465 }
1466
1467 void do_find_free_inode(int argc, char *argv[])
1468 {
1469 ext2_ino_t free_inode, dir;
1470 int mode;
1471 int retval;
1472 char *tmp;
1473
1474 if (argc > 3 || (argc>1 && *argv[1] == '?')) {
1475 com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]");
1476 return;
1477 }
1478 if (check_fs_open(argv[0]))
1479 return;
1480
1481 if (argc > 1) {
1482 dir = strtol(argv[1], &tmp, 0);
1483 if (*tmp) {
1484 com_err(argv[0], 0, "Bad dir - %s", argv[1]);
1485 return;
1486 }
1487 }
1488 else
1489 dir = root;
1490 if (argc > 2) {
1491 mode = strtol(argv[2], &tmp, 0);
1492 if (*tmp) {
1493 com_err(argv[0], 0, "Bad mode - %s", argv[2]);
1494 return;
1495 }
1496 } else
1497 mode = 010755;
1498
1499 retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode);
1500 if (retval)
1501 com_err("ext2fs_new_inode", retval, 0);
1502 else
1503 printf("Free inode found: %u\n", free_inode);
1504 }
1505
1506 static errcode_t copy_file(int fd, ext2_ino_t newfile)
1507 {
1508 ext2_file_t e2_file;
1509 errcode_t retval;
1510 int got;
1511 unsigned int written;
1512 char buf[8192];
1513 char *ptr;
1514
1515 retval = ext2fs_file_open(current_fs, newfile,
1516 EXT2_FILE_WRITE, &e2_file);
1517 if (retval)
1518 return retval;
1519
1520 while (1) {
1521 got = read(fd, buf, sizeof(buf));
1522 if (got == 0)
1523 break;
1524 if (got < 0) {
1525 retval = errno;
1526 goto fail;
1527 }
1528 ptr = buf;
1529 while (got > 0) {
1530 retval = ext2fs_file_write(e2_file, ptr,
1531 got, &written);
1532 if (retval)
1533 goto fail;
1534
1535 got -= written;
1536 ptr += written;
1537 }
1538 }
1539 retval = ext2fs_file_close(e2_file);
1540 return retval;
1541
1542 fail:
1543 (void) ext2fs_file_close(e2_file);
1544 return retval;
1545 }
1546
1547
1548 void do_write(int argc, char *argv[])
1549 {
1550 int fd;
1551 struct stat statbuf;
1552 ext2_ino_t newfile;
1553 errcode_t retval;
1554 struct ext2_inode inode;
1555
1556 if (common_args_process(argc, argv, 3, 3, "write",
1557 "<native file> <new file>", CHECK_FS_RW))
1558 return;
1559
1560 fd = open(argv[1], O_RDONLY);
1561 if (fd < 0) {
1562 com_err(argv[1], errno, 0);
1563 return;
1564 }
1565 if (fstat(fd, &statbuf) < 0) {
1566 com_err(argv[1], errno, 0);
1567 close(fd);
1568 return;
1569 }
1570
1571 retval = ext2fs_namei(current_fs, root, cwd, argv[2], &newfile);
1572 if (retval == 0) {
1573 com_err(argv[0], 0, "The file '%s' already exists\n", argv[2]);
1574 close(fd);
1575 return;
1576 }
1577
1578 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1579 if (retval) {
1580 com_err(argv[0], retval, 0);
1581 close(fd);
1582 return;
1583 }
1584 printf("Allocated inode: %u\n", newfile);
1585 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1586 EXT2_FT_REG_FILE);
1587 if (retval == EXT2_ET_DIR_NO_SPACE) {
1588 retval = ext2fs_expand_dir(current_fs, cwd);
1589 if (retval) {
1590 com_err(argv[0], retval, "while expanding directory");
1591 close(fd);
1592 return;
1593 }
1594 retval = ext2fs_link(current_fs, cwd, argv[2], newfile,
1595 EXT2_FT_REG_FILE);
1596 }
1597 if (retval) {
1598 com_err(argv[2], retval, 0);
1599 close(fd);
1600 return;
1601 }
1602 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1603 com_err(argv[0], 0, "Warning: inode already set");
1604 ext2fs_inode_alloc_stats2(current_fs, newfile, +1, 0);
1605 memset(&inode, 0, sizeof(inode));
1606 inode.i_mode = (statbuf.st_mode & ~LINUX_S_IFMT) | LINUX_S_IFREG;
1607 inode.i_atime = inode.i_ctime = inode.i_mtime =
1608 current_fs->now ? current_fs->now : time(0);
1609 inode.i_links_count = 1;
1610 inode.i_size = statbuf.st_size;
1611 if (current_fs->super->s_feature_incompat &
1612 EXT3_FEATURE_INCOMPAT_EXTENTS)
1613 inode.i_flags |= EXT4_EXTENTS_FL;
1614 if (debugfs_write_new_inode(newfile, &inode, argv[0])) {
1615 close(fd);
1616 return;
1617 }
1618 if (LINUX_S_ISREG(inode.i_mode)) {
1619 retval = copy_file(fd, newfile);
1620 if (retval)
1621 com_err("copy_file", retval, 0);
1622 }
1623 close(fd);
1624 }
1625
1626 void do_mknod(int argc, char *argv[])
1627 {
1628 unsigned long mode, major, minor;
1629 ext2_ino_t newfile;
1630 errcode_t retval;
1631 struct ext2_inode inode;
1632 int filetype, nr;
1633
1634 if (check_fs_open(argv[0]))
1635 return;
1636 if (argc < 3 || argv[2][1]) {
1637 usage:
1638 com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]");
1639 return;
1640 }
1641 mode = minor = major = 0;
1642 switch (argv[2][0]) {
1643 case 'p':
1644 mode = LINUX_S_IFIFO;
1645 filetype = EXT2_FT_FIFO;
1646 nr = 3;
1647 break;
1648 case 'c':
1649 mode = LINUX_S_IFCHR;
1650 filetype = EXT2_FT_CHRDEV;
1651 nr = 5;
1652 break;
1653 case 'b':
1654 mode = LINUX_S_IFBLK;
1655 filetype = EXT2_FT_BLKDEV;
1656 nr = 5;
1657 break;
1658 default:
1659 filetype = 0;
1660 nr = 0;
1661 }
1662 if (nr == 5) {
1663 major = strtoul(argv[3], argv+3, 0);
1664 minor = strtoul(argv[4], argv+4, 0);
1665 if (major > 65535 || minor > 65535 || argv[3][0] || argv[4][0])
1666 nr = 0;
1667 }
1668 if (argc != nr)
1669 goto usage;
1670 if (check_fs_read_write(argv[0]))
1671 return;
1672 retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile);
1673 if (retval) {
1674 com_err(argv[0], retval, 0);
1675 return;
1676 }
1677 printf("Allocated inode: %u\n", newfile);
1678 retval = ext2fs_link(current_fs, cwd, argv[1], newfile, filetype);
1679 if (retval == EXT2_ET_DIR_NO_SPACE) {
1680 retval = ext2fs_expand_dir(current_fs, cwd);
1681 if (retval) {
1682 com_err(argv[0], retval, "while expanding directory");
1683 return;
1684 }
1685 retval = ext2fs_link(current_fs, cwd, argv[1], newfile,
1686 filetype);
1687 }
1688 if (retval) {
1689 com_err(argv[1], retval, 0);
1690 return;
1691 }
1692 if (ext2fs_test_inode_bitmap2(current_fs->inode_map,newfile))
1693 com_err(argv[0], 0, "Warning: inode already set");
1694 ext2fs_mark_inode_bitmap2(current_fs->inode_map, newfile);
1695 ext2fs_mark_ib_dirty(current_fs);
1696 memset(&inode, 0, sizeof(inode));
1697 inode.i_mode = mode;
1698 inode.i_atime = inode.i_ctime = inode.i_mtime =
1699 current_fs->now ? current_fs->now : time(0);
1700 if ((major < 256) && (minor < 256)) {
1701 inode.i_block[0] = major*256+minor;
1702 inode.i_block[1] = 0;
1703 } else {
1704 inode.i_block[0] = 0;
1705 inode.i_block[1] = (minor & 0xff) | (major << 8) | ((minor & ~0xff) << 12);
1706 }
1707 inode.i_links_count = 1;
1708 if (debugfs_write_new_inode(newfile, &inode, argv[0]))
1709 return;
1710 }
1711
1712 void do_mkdir(int argc, char *argv[])
1713 {
1714 char *cp;
1715 ext2_ino_t parent;
1716 char *name;
1717 errcode_t retval;
1718
1719 if (common_args_process(argc, argv, 2, 2, "mkdir",
1720 "<filename>", CHECK_FS_RW))
1721 return;
1722
1723 cp = strrchr(argv[1], '/');
1724 if (cp) {
1725 *cp = 0;
1726 parent = string_to_inode(argv[1]);
1727 if (!parent) {
1728 com_err(argv[1], ENOENT, 0);
1729 return;
1730 }
1731 name = cp+1;
1732 } else {
1733 parent = cwd;
1734 name = argv[1];
1735 }
1736
1737 try_again:
1738 retval = ext2fs_mkdir(current_fs, parent, 0, name);
1739 if (retval == EXT2_ET_DIR_NO_SPACE) {
1740 retval = ext2fs_expand_dir(current_fs, parent);
1741 if (retval) {
1742 com_err(argv[0], retval, "while expanding directory");
1743 return;
1744 }
1745 goto try_again;
1746 }
1747 if (retval) {
1748 com_err("ext2fs_mkdir", retval, 0);
1749 return;
1750 }
1751
1752 }
1753
1754 static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr,
1755 int blockcnt EXT2FS_ATTR((unused)),
1756 void *private EXT2FS_ATTR((unused)))
1757 {
1758 blk_t block;
1759
1760 block = *blocknr;
1761 ext2fs_block_alloc_stats(fs, block, -1);
1762 return 0;
1763 }
1764
1765 static void kill_file_by_inode(ext2_ino_t inode)
1766 {
1767 struct ext2_inode inode_buf;
1768
1769 if (debugfs_read_inode(inode, &inode_buf, 0))
1770 return;
1771 inode_buf.i_dtime = current_fs->now ? current_fs->now : time(0);
1772 if (debugfs_write_inode(inode, &inode_buf, 0))
1773 return;
1774 if (!ext2fs_inode_has_valid_blocks(&inode_buf))
1775 return;
1776
1777 ext2fs_block_iterate(current_fs, inode, BLOCK_FLAG_READ_ONLY, NULL,
1778 release_blocks_proc, NULL);
1779 printf("\n");
1780 ext2fs_inode_alloc_stats2(current_fs, inode, -1,
1781 LINUX_S_ISDIR(inode_buf.i_mode));
1782 }
1783
1784
1785 void do_kill_file(int argc, char *argv[])
1786 {
1787 ext2_ino_t inode_num;
1788
1789 if (common_inode_args_process(argc, argv, &inode_num, CHECK_FS_RW))
1790 return;
1791
1792 kill_file_by_inode(inode_num);
1793 }
1794
1795 void do_rm(int argc, char *argv[])
1796 {
1797 int retval;
1798 ext2_ino_t inode_num;
1799 struct ext2_inode inode;
1800
1801 if (common_args_process(argc, argv, 2, 2, "rm",
1802 "<filename>", CHECK_FS_RW))
1803 return;
1804
1805 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1806 if (retval) {
1807 com_err(argv[0], retval, "while trying to resolve filename");
1808 return;
1809 }
1810
1811 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1812 return;
1813
1814 if (LINUX_S_ISDIR(inode.i_mode)) {
1815 com_err(argv[0], 0, "file is a directory");
1816 return;
1817 }
1818
1819 --inode.i_links_count;
1820 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1821 return;
1822
1823 unlink_file_by_name(argv[1]);
1824 if (inode.i_links_count == 0)
1825 kill_file_by_inode(inode_num);
1826 }
1827
1828 struct rd_struct {
1829 ext2_ino_t parent;
1830 int empty;
1831 };
1832
1833 static int rmdir_proc(ext2_ino_t dir EXT2FS_ATTR((unused)),
1834 int entry EXT2FS_ATTR((unused)),
1835 struct ext2_dir_entry *dirent,
1836 int offset EXT2FS_ATTR((unused)),
1837 int blocksize EXT2FS_ATTR((unused)),
1838 char *buf EXT2FS_ATTR((unused)),
1839 void *private)
1840 {
1841 struct rd_struct *rds = (struct rd_struct *) private;
1842
1843 if (dirent->inode == 0)
1844 return 0;
1845 if (((dirent->name_len&0xFF) == 1) && (dirent->name[0] == '.'))
1846 return 0;
1847 if (((dirent->name_len&0xFF) == 2) && (dirent->name[0] == '.') &&
1848 (dirent->name[1] == '.')) {
1849 rds->parent = dirent->inode;
1850 return 0;
1851 }
1852 rds->empty = 0;
1853 return 0;
1854 }
1855
1856 void do_rmdir(int argc, char *argv[])
1857 {
1858 int retval;
1859 ext2_ino_t inode_num;
1860 struct ext2_inode inode;
1861 struct rd_struct rds;
1862
1863 if (common_args_process(argc, argv, 2, 2, "rmdir",
1864 "<filename>", CHECK_FS_RW))
1865 return;
1866
1867 retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num);
1868 if (retval) {
1869 com_err(argv[0], retval, "while trying to resolve filename");
1870 return;
1871 }
1872
1873 if (debugfs_read_inode(inode_num, &inode, argv[0]))
1874 return;
1875
1876 if (!LINUX_S_ISDIR(inode.i_mode)) {
1877 com_err(argv[0], 0, "file is not a directory");
1878 return;
1879 }
1880
1881 rds.parent = 0;
1882 rds.empty = 1;
1883
1884 retval = ext2fs_dir_iterate2(current_fs, inode_num, 0,
1885 0, rmdir_proc, &rds);
1886 if (retval) {
1887 com_err(argv[0], retval, "while iterating over directory");
1888 return;
1889 }
1890 if (rds.empty == 0) {
1891 com_err(argv[0], 0, "directory not empty");
1892 return;
1893 }
1894
1895 inode.i_links_count = 0;
1896 if (debugfs_write_inode(inode_num, &inode, argv[0]))
1897 return;
1898
1899 unlink_file_by_name(argv[1]);
1900 kill_file_by_inode(inode_num);
1901
1902 if (rds.parent) {
1903 if (debugfs_read_inode(rds.parent, &inode, argv[0]))
1904 return;
1905 if (inode.i_links_count > 1)
1906 inode.i_links_count--;
1907 if (debugfs_write_inode(rds.parent, &inode, argv[0]))
1908 return;
1909 }
1910 }
1911
1912 void do_show_debugfs_params(int argc EXT2FS_ATTR((unused)),
1913 char *argv[] EXT2FS_ATTR((unused)))
1914 {
1915 FILE *out = stdout;
1916
1917 if (current_fs)
1918 fprintf(out, "Open mode: read-%s\n",
1919 current_fs->flags & EXT2_FLAG_RW ? "write" : "only");
1920 fprintf(out, "Filesystem in use: %s\n",
1921 current_fs ? current_fs->device_name : "--none--");
1922 }
1923
1924 void do_expand_dir(int argc, char *argv[])
1925 {
1926 ext2_ino_t inode;
1927 int retval;
1928
1929 if (common_inode_args_process(argc, argv, &inode, CHECK_FS_RW))
1930 return;
1931
1932 retval = ext2fs_expand_dir(current_fs, inode);
1933 if (retval)
1934 com_err("ext2fs_expand_dir", retval, 0);
1935 return;
1936 }
1937
1938 void do_features(int argc, char *argv[])
1939 {
1940 int i;
1941
1942 if (check_fs_open(argv[0]))
1943 return;
1944
1945 if ((argc != 1) && check_fs_read_write(argv[0]))
1946 return;
1947 for (i=1; i < argc; i++) {
1948 if (e2p_edit_feature(argv[i],
1949 &current_fs->super->s_feature_compat, 0))
1950 com_err(argv[0], 0, "Unknown feature: %s\n",
1951 argv[i]);
1952 else
1953 ext2fs_mark_super_dirty(current_fs);
1954 }
1955 print_features(current_fs->super, stdout);
1956 }
1957
1958 void do_bmap(int argc, char *argv[])
1959 {
1960 ext2_ino_t ino;
1961 blk_t blk, pblk;
1962 int err;
1963 errcode_t errcode;
1964
1965 if (common_args_process(argc, argv, 3, 3, argv[0],
1966 "<file> logical_blk", 0))
1967 return;
1968
1969 ino = string_to_inode(argv[1]);
1970 if (!ino)
1971 return;
1972 blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
1973
1974 errcode = ext2fs_bmap(current_fs, ino, 0, 0, 0, blk, &pblk);
1975 if (errcode) {
1976 com_err("argv[0]", errcode,
1977 "while mapping logical block %u\n", blk);
1978 return;
1979 }
1980 printf("%u\n", pblk);
1981 }
1982
1983 void do_imap(int argc, char *argv[])
1984 {
1985 ext2_ino_t ino;
1986 unsigned long group, block, block_nr, offset;
1987
1988 if (common_args_process(argc, argv, 2, 2, argv[0],
1989 "<file>", 0))
1990 return;
1991 ino = string_to_inode(argv[1]);
1992 if (!ino)
1993 return;
1994
1995 group = (ino - 1) / EXT2_INODES_PER_GROUP(current_fs->super);
1996 offset = ((ino - 1) % EXT2_INODES_PER_GROUP(current_fs->super)) *
1997 EXT2_INODE_SIZE(current_fs->super);
1998 block = offset >> EXT2_BLOCK_SIZE_BITS(current_fs->super);
1999 if (!current_fs->group_desc[(unsigned)group].bg_inode_table) {
2000 com_err(argv[0], 0, "Inode table for group %lu is missing\n",
2001 group);
2002 return;
2003 }
2004 block_nr = current_fs->group_desc[(unsigned)group].bg_inode_table +
2005 block;
2006 offset &= (EXT2_BLOCK_SIZE(current_fs->super) - 1);
2007
2008 printf("Inode %d is part of block group %lu\n"
2009 "\tlocated at block %lu, offset 0x%04lx\n", ino, group,
2010 block_nr, offset);
2011
2012 }
2013
2014 void do_set_current_time(int argc, char *argv[])
2015 {
2016 time_t now;
2017
2018 if (common_args_process(argc, argv, 2, 2, argv[0],
2019 "<time>", 0))
2020 return;
2021
2022 now = string_to_time(argv[1]);
2023 if (now == ((time_t) -1)) {
2024 com_err(argv[0], 0, "Couldn't parse argument as a time: %s\n",
2025 argv[1]);
2026 return;
2027
2028 } else {
2029 printf("Setting current time to %s\n", time_to_string(now));
2030 current_fs->now = now;
2031 }
2032 }
2033
2034 static int find_supp_feature(__u32 *supp, int feature_type, char *name)
2035 {
2036 int compat, bit, ret;
2037 unsigned int feature_mask;
2038
2039 if (name) {
2040 if (feature_type == E2P_FS_FEATURE)
2041 ret = e2p_string2feature(name, &compat, &feature_mask);
2042 else
2043 ret = e2p_jrnl_string2feature(name, &compat,
2044 &feature_mask);
2045 if (ret)
2046 return ret;
2047
2048 if (!(supp[compat] & feature_mask))
2049 return 1;
2050 } else {
2051 for (compat = 0; compat < 3; compat++) {
2052 for (bit = 0, feature_mask = 1; bit < 32;
2053 bit++, feature_mask <<= 1) {
2054 if (supp[compat] & feature_mask) {
2055 if (feature_type == E2P_FS_FEATURE)
2056 fprintf(stdout, " %s",
2057 e2p_feature2string(compat,
2058 feature_mask));
2059 else
2060 fprintf(stdout, " %s",
2061 e2p_jrnl_feature2string(compat,
2062 feature_mask));
2063 }
2064 }
2065 }
2066 fprintf(stdout, "\n");
2067 }
2068
2069 return 0;
2070 }
2071
2072 void do_supported_features(int argc, char *argv[])
2073 {
2074 int ret;
2075 __u32 supp[3] = { EXT2_LIB_FEATURE_COMPAT_SUPP,
2076 EXT2_LIB_FEATURE_INCOMPAT_SUPP,
2077 EXT2_LIB_FEATURE_RO_COMPAT_SUPP };
2078 __u32 jrnl_supp[3] = { JFS_KNOWN_COMPAT_FEATURES,
2079 JFS_KNOWN_INCOMPAT_FEATURES,
2080 JFS_KNOWN_ROCOMPAT_FEATURES };
2081
2082 if (argc > 1) {
2083 ret = find_supp_feature(supp, E2P_FS_FEATURE, argv[1]);
2084 if (ret) {
2085 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE,
2086 argv[1]);
2087 }
2088 if (ret)
2089 com_err(argv[0], 0, "Unknown feature: %s\n", argv[1]);
2090 else
2091 fprintf(stdout, "Supported feature: %s\n", argv[1]);
2092 } else {
2093 fprintf(stdout, "Supported features:");
2094 ret = find_supp_feature(supp, E2P_FS_FEATURE, NULL);
2095 ret = find_supp_feature(jrnl_supp, E2P_JOURNAL_FEATURE, NULL);
2096 }
2097 }
2098
2099 static int source_file(const char *cmd_file, int sci_idx)
2100 {
2101 FILE *f;
2102 char buf[256];
2103 char *cp;
2104 int exit_status = 0;
2105 int retval;
2106
2107 if (strcmp(cmd_file, "-") == 0)
2108 f = stdin;
2109 else {
2110 f = fopen(cmd_file, "r");
2111 if (!f) {
2112 perror(cmd_file);
2113 exit(1);
2114 }
2115 }
2116 fflush(stdout);
2117 fflush(stderr);
2118 setbuf(stdout, NULL);
2119 setbuf(stderr, NULL);
2120 while (!feof(f)) {
2121 if (fgets(buf, sizeof(buf), f) == NULL)
2122 break;
2123 cp = strchr(buf, '\n');
2124 if (cp)
2125 *cp = 0;
2126 cp = strchr(buf, '\r');
2127 if (cp)
2128 *cp = 0;
2129 printf("debugfs: %s\n", buf);
2130 retval = ss_execute_line(sci_idx, buf);
2131 if (retval) {
2132 ss_perror(sci_idx, retval, buf);
2133 exit_status++;
2134 }
2135 }
2136 return exit_status;
2137 }
2138
2139 int main(int argc, char **argv)
2140 {
2141 int retval;
2142 int sci_idx;
2143 const char *usage = "Usage: %s [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]";
2144 int c;
2145 int open_flags = EXT2_FLAG_SOFTSUPP_FEATURES;
2146 char *request = 0;
2147 int exit_status = 0;
2148 char *cmd_file = 0;
2149 blk_t superblock = 0;
2150 blk_t blocksize = 0;
2151 int catastrophic = 0;
2152 char *data_filename = 0;
2153
2154 if (debug_prog_name == 0)
2155 debug_prog_name = "debugfs";
2156
2157 add_error_table(&et_ext2_error_table);
2158 fprintf (stderr, "%s %s (%s)\n", debug_prog_name,
2159 E2FSPROGS_VERSION, E2FSPROGS_DATE);
2160
2161 while ((c = getopt (argc, argv, "iwcR:f:b:s:Vd:")) != EOF) {
2162 switch (c) {
2163 case 'R':
2164 request = optarg;
2165 break;
2166 case 'f':
2167 cmd_file = optarg;
2168 break;
2169 case 'd':
2170 data_filename = optarg;
2171 break;
2172 case 'i':
2173 open_flags |= EXT2_FLAG_IMAGE_FILE;
2174 break;
2175 case 'w':
2176 open_flags |= EXT2_FLAG_RW;
2177 break;
2178 case 'b':
2179 blocksize = parse_ulong(optarg, argv[0],
2180 "block size", 0);
2181 break;
2182 case 's':
2183 superblock = parse_ulong(optarg, argv[0],
2184 "superblock number", 0);
2185 break;
2186 case 'c':
2187 catastrophic = 1;
2188 break;
2189 case 'V':
2190 /* Print version number and exit */
2191 fprintf(stderr, "\tUsing %s\n",
2192 error_message(EXT2_ET_BASE));
2193 exit(0);
2194 default:
2195 com_err(argv[0], 0, usage, debug_prog_name);
2196 return 1;
2197 }
2198 }
2199 if (optind < argc)
2200 open_filesystem(argv[optind], open_flags,
2201 superblock, blocksize, catastrophic,
2202 data_filename);
2203
2204 sci_idx = ss_create_invocation(debug_prog_name, "0.0", (char *) NULL,
2205 &debug_cmds, &retval);
2206 if (retval) {
2207 ss_perror(sci_idx, retval, "creating invocation");
2208 exit(1);
2209 }
2210 ss_get_readline(sci_idx);
2211
2212 (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval);
2213 if (retval) {
2214 ss_perror(sci_idx, retval, "adding standard requests");
2215 exit (1);
2216 }
2217 if (extra_cmds)
2218 ss_add_request_table (sci_idx, extra_cmds, 1, &retval);
2219 if (retval) {
2220 ss_perror(sci_idx, retval, "adding extra requests");
2221 exit (1);
2222 }
2223 if (request) {
2224 retval = 0;
2225 retval = ss_execute_line(sci_idx, request);
2226 if (retval) {
2227 ss_perror(sci_idx, retval, request);
2228 exit_status++;
2229 }
2230 } else if (cmd_file) {
2231 exit_status = source_file(cmd_file, sci_idx);
2232 } else {
2233 ss_listen(sci_idx);
2234 }
2235
2236 ss_delete_invocation(sci_idx);
2237
2238 if (current_fs)
2239 close_filesystem();
2240
2241 remove_error_table(&et_ext2_error_table);
2242 return exit_status;
2243 }
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