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