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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * debugfs.c --- a program which allows you to attach an ext2fs | |
3 | * filesystem and play with it. | |
4 | * | |
5 | * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed | |
6 | * under the terms of the GNU Public License. | |
7 | * | |
8 | * Modifications by Robert Sanders <gt8134b@prism.gatech.edu> | |
9 | */ | |
10 | ||
11 | #include <stdio.h> | |
12 | #include <unistd.h> | |
13 | #include <stdlib.h> | |
14 | #include <ctype.h> | |
15 | #include <string.h> | |
16 | #include <time.h> | |
50e1e10f | 17 | #ifdef HAVE_GETOPT_H |
3839e657 | 18 | #include <getopt.h> |
50e1e10f TT |
19 | #else |
20 | extern int optind; | |
21 | extern char *optarg; | |
22 | #endif | |
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> | |
3839e657 TT |
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" | |
fc6d9d51 | 36 | #include "uuid/uuid.h" |
f68aa414 | 37 | #include "e2p/e2p.h" |
3839e657 | 38 | |
818180cd TT |
39 | #include "../version.h" |
40 | ||
3839e657 TT |
41 | extern ss_request_table debug_cmds; |
42 | ||
fc6d9d51 | 43 | ext2_filsys current_fs = NULL; |
3839e657 TT |
44 | ino_t root, cwd; |
45 | ||
2e8d40d5 TT |
46 | static void open_filesystem(char *device, int open_flags, blk_t superblock, |
47 | blk_t blocksize, int catastrophic) | |
3839e657 TT |
48 | { |
49 | int retval; | |
2e8d40d5 TT |
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 | } | |
3839e657 | 62 | |
2e8d40d5 | 63 | retval = ext2fs_open(device, open_flags, superblock, blocksize, |
fc6d9d51 | 64 | unix_io_manager, ¤t_fs); |
3839e657 TT |
65 | if (retval) { |
66 | com_err(device, retval, "while opening filesystem"); | |
fc6d9d51 | 67 | current_fs = NULL; |
3839e657 TT |
68 | return; |
69 | } | |
2e8d40d5 TT |
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 | } | |
3839e657 TT |
84 | } |
85 | root = cwd = EXT2_ROOT_INO; | |
86 | return; | |
87 | ||
88 | errout: | |
fc6d9d51 | 89 | retval = ext2fs_close(current_fs); |
3839e657 TT |
90 | if (retval) |
91 | com_err(device, retval, "while trying to close filesystem"); | |
fc6d9d51 | 92 | current_fs = NULL; |
3839e657 TT |
93 | } |
94 | ||
95 | void do_open_filesys(int argc, char **argv) | |
96 | { | |
2e8d40d5 | 97 | const char *usage = "Usage: open [-s superblock] [-b blocksize] [-c] [-w] <device>"; |
f1304811 | 98 | int c; |
2e8d40d5 TT |
99 | int catastrophic = 0; |
100 | blk_t superblock = 0; | |
101 | blk_t blocksize = 0; | |
102 | char *tmp; | |
3839e657 TT |
103 | int open_flags = 0; |
104 | ||
fc6d9d51 | 105 | optind = 0; |
50e1e10f TT |
106 | #ifdef HAVE_OPTRESET |
107 | optreset = 1; /* Makes BSD getopt happy */ | |
108 | #endif | |
2e8d40d5 | 109 | while ((c = getopt (argc, argv, "wfcb:s:")) != EOF) { |
3839e657 TT |
110 | switch (c) { |
111 | case 'w': | |
d3aea7dc TT |
112 | open_flags |= EXT2_FLAG_RW; |
113 | break; | |
114 | case 'f': | |
115 | open_flags |= EXT2_FLAG_FORCE; | |
3839e657 | 116 | break; |
2e8d40d5 TT |
117 | case 'c': |
118 | catastrophic = 1; | |
119 | break; | |
120 | case 'b': | |
121 | blocksize = strtoul(optarg, &tmp, 0); | |
122 | if (*tmp) { | |
123 | com_err(argv[0], 0, | |
124 | "Bad block size - %s", optarg); | |
125 | return; | |
126 | } | |
127 | break; | |
128 | case 's': | |
129 | superblock = strtoul(optarg, &tmp, 0); | |
130 | if (*tmp) { | |
131 | com_err(argv[0], 0, | |
132 | "Bad superblock number - %s", optarg); | |
133 | return; | |
134 | } | |
135 | break; | |
3839e657 TT |
136 | default: |
137 | com_err(argv[0], 0, usage); | |
138 | return; | |
139 | } | |
140 | } | |
141 | if (optind != argc-1) { | |
142 | com_err(argv[0], 0, usage); | |
143 | return; | |
144 | } | |
145 | if (check_fs_not_open(argv[0])) | |
146 | return; | |
2e8d40d5 TT |
147 | open_filesystem(argv[optind], open_flags, |
148 | superblock, blocksize, catastrophic); | |
149 | } | |
150 | ||
151 | void do_lcd(int argc, char **argv) | |
152 | { | |
153 | const char *usage = "Usage: lcd <native dir>"; | |
154 | ||
155 | if (argc != 2) { | |
156 | com_err(argv[0], 0, usage); | |
157 | return; | |
158 | } | |
159 | ||
160 | if (chdir(argv[1]) == -1) { | |
161 | com_err(argv[0], errno, | |
162 | "while trying to change native directory to %s", | |
163 | argv[1]); | |
164 | return; | |
165 | } | |
3839e657 TT |
166 | } |
167 | ||
50e1e10f | 168 | static void close_filesystem(NOARGS) |
3839e657 TT |
169 | { |
170 | int retval; | |
171 | ||
fc6d9d51 TT |
172 | if (current_fs->flags & EXT2_FLAG_IB_DIRTY) { |
173 | retval = ext2fs_write_inode_bitmap(current_fs); | |
3839e657 TT |
174 | if (retval) |
175 | com_err("ext2fs_write_inode_bitmap", retval, ""); | |
176 | } | |
fc6d9d51 TT |
177 | if (current_fs->flags & EXT2_FLAG_BB_DIRTY) { |
178 | retval = ext2fs_write_block_bitmap(current_fs); | |
3839e657 TT |
179 | if (retval) |
180 | com_err("ext2fs_write_block_bitmap", retval, ""); | |
181 | } | |
fc6d9d51 | 182 | retval = ext2fs_close(current_fs); |
3839e657 TT |
183 | if (retval) |
184 | com_err("ext2fs_close", retval, ""); | |
fc6d9d51 | 185 | current_fs = NULL; |
3839e657 TT |
186 | return; |
187 | } | |
188 | ||
189 | void do_close_filesys(int argc, char **argv) | |
190 | { | |
191 | if (argc > 1) { | |
192 | com_err(argv[0], 0, "Usage: close_filesys"); | |
193 | return; | |
194 | } | |
195 | if (check_fs_open(argv[0])) | |
196 | return; | |
197 | close_filesystem(); | |
198 | } | |
199 | ||
200 | void do_init_filesys(int argc, char **argv) | |
201 | { | |
50e1e10f | 202 | const char *usage = "Usage: initialize <device> <blocksize>"; |
3839e657 TT |
203 | struct ext2_super_block param; |
204 | errcode_t retval; | |
205 | char *tmp; | |
206 | ||
207 | if (argc != 3) { | |
208 | com_err(argv[0], 0, usage); | |
209 | return; | |
210 | } | |
211 | if (check_fs_not_open(argv[0])) | |
212 | return; | |
213 | ||
214 | memset(¶m, 0, sizeof(struct ext2_super_block)); | |
215 | param.s_blocks_count = strtoul(argv[2], &tmp, 0); | |
216 | if (*tmp) { | |
217 | com_err(argv[0], 0, "Bad blocks count - %s", argv[2]); | |
218 | return; | |
219 | } | |
fc6d9d51 TT |
220 | retval = ext2fs_initialize(argv[1], 0, ¶m, |
221 | unix_io_manager, ¤t_fs); | |
3839e657 TT |
222 | if (retval) { |
223 | com_err(argv[1], retval, "while initializing filesystem"); | |
fc6d9d51 | 224 | current_fs = NULL; |
3839e657 TT |
225 | return; |
226 | } | |
227 | root = cwd = EXT2_ROOT_INO; | |
228 | return; | |
229 | } | |
230 | ||
d3aea7dc TT |
231 | static void print_features(struct ext2fs_sb * s, FILE *f) |
232 | { | |
233 | #ifdef EXT2_DYNAMIC_REV | |
234 | int i, j, printed=0; | |
235 | __u32 *mask = &s->s_feature_compat, m; | |
236 | ||
237 | printf ("Filesystem features:"); | |
238 | for (i=0; i <3; i++,mask++) { | |
239 | for (j=0,m=1; j < 32; j++, m<<=1) { | |
240 | if (*mask & m) { | |
241 | fprintf(f, " %s", e2p_feature2string(i, m)); | |
242 | printed++; | |
243 | } | |
244 | } | |
245 | } | |
246 | if (printed == 0) | |
247 | printf("(none)"); | |
248 | printf("\n"); | |
249 | #endif | |
250 | } | |
251 | ||
3839e657 TT |
252 | void do_show_super_stats(int argc, char *argv[]) |
253 | { | |
254 | int i; | |
255 | FILE *out; | |
fc6d9d51 TT |
256 | struct ext2fs_sb *sb; |
257 | struct ext2_group_desc *gdp; | |
d3aea7dc | 258 | int c, header_only = 0; |
fc6d9d51 TT |
259 | char buf[80]; |
260 | const char *none = "(none)"; | |
d3aea7dc | 261 | const char *usage = "Usage: show_super [-h]"; |
3839e657 | 262 | |
d3aea7dc TT |
263 | optind = 0; |
264 | #ifdef HAVE_OPTRESET | |
265 | optreset = 1; /* Makes BSD getopt happy */ | |
266 | #endif | |
267 | while ((c = getopt (argc, argv, "h")) != EOF) { | |
268 | switch (c) { | |
269 | case 'h': | |
270 | header_only++; | |
271 | break; | |
272 | default: | |
273 | com_err(argv[0], 0, usage); | |
274 | return; | |
275 | } | |
276 | } | |
277 | if (optind != argc) { | |
278 | com_err(argv[0], 0, usage); | |
3839e657 TT |
279 | return; |
280 | } | |
281 | if (check_fs_open(argv[0])) | |
282 | return; | |
283 | out = open_pager(); | |
bd09eff9 TT |
284 | |
285 | list_super2(current_fs->super, out); | |
d3aea7dc TT |
286 | |
287 | if (header_only) { | |
288 | close_pager(out); | |
289 | return; | |
290 | } | |
fc6d9d51 TT |
291 | |
292 | gdp = ¤t_fs->group_desc[0]; | |
293 | for (i = 0; i < current_fs->group_desc_count; i++, gdp++) | |
50e1e10f TT |
294 | fprintf(out, " Group %2d: block bitmap at %d, " |
295 | "inode bitmap at %d, " | |
296 | "inode table at %d\n" | |
3839e657 TT |
297 | " %d free block%s, " |
298 | "%d free inode%s, " | |
299 | "%d used director%s\n", | |
fc6d9d51 TT |
300 | i, gdp->bg_block_bitmap, |
301 | gdp->bg_inode_bitmap, gdp->bg_inode_table, | |
302 | gdp->bg_free_blocks_count, | |
303 | gdp->bg_free_blocks_count != 1 ? "s" : "", | |
304 | gdp->bg_free_inodes_count, | |
305 | gdp->bg_free_inodes_count != 1 ? "s" : "", | |
306 | gdp->bg_used_dirs_count, | |
307 | gdp->bg_used_dirs_count != 1 ? "ies" : "y"); | |
3839e657 TT |
308 | close_pager(out); |
309 | } | |
310 | ||
4a31c48b | 311 | void do_dirty_filesys(int argc, char **argv) |
21c84b71 TT |
312 | { |
313 | if (check_fs_open(argv[0])) | |
314 | return; | |
601002bd TT |
315 | if (check_fs_read_write(argv[0])) |
316 | return; | |
317 | ||
318 | if (argv[1] && !strcmp(argv[1], "-clean")) | |
319 | current_fs->super->s_state |= EXT2_VALID_FS; | |
320 | else | |
321 | current_fs->super->s_state &= ~EXT2_VALID_FS; | |
21c84b71 TT |
322 | ext2fs_mark_super_dirty(current_fs); |
323 | } | |
324 | ||
3839e657 TT |
325 | struct list_blocks_struct { |
326 | FILE *f; | |
327 | int total; | |
0a3db93a TT |
328 | blk_t first_block, last_block; |
329 | int first_bcnt, last_bcnt; | |
330 | int first; | |
3839e657 TT |
331 | }; |
332 | ||
0a3db93a TT |
333 | static void finish_range(struct list_blocks_struct *lb) |
334 | { | |
335 | if (lb->first_block == 0) | |
336 | return; | |
337 | if (lb->first) | |
338 | lb->first = 0; | |
339 | else | |
80bfaa3e | 340 | fprintf(lb->f, ", "); |
0a3db93a TT |
341 | if (lb->first_block == lb->last_block) |
342 | fprintf(lb->f, "(%d):%d", lb->first_bcnt, lb->first_block); | |
343 | else | |
344 | fprintf(lb->f, "(%d-%d):%d-%d", lb->first_bcnt, | |
345 | lb->last_bcnt, lb->first_block, lb->last_block); | |
346 | lb->first_block = 0; | |
347 | } | |
348 | ||
50e1e10f TT |
349 | static int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, |
350 | void *private) | |
3839e657 TT |
351 | { |
352 | struct list_blocks_struct *lb = (struct list_blocks_struct *) private; | |
353 | ||
0a3db93a TT |
354 | lb->total++; |
355 | if (blockcnt >= 0) { | |
356 | /* | |
357 | * See if we can add on to the existing range (if it exists) | |
358 | */ | |
359 | if (lb->first_block && | |
360 | (lb->last_block+1 == *blocknr) && | |
361 | (lb->last_bcnt+1 == blockcnt)) { | |
362 | lb->last_block = *blocknr; | |
363 | lb->last_bcnt = blockcnt; | |
364 | return 0; | |
365 | } | |
366 | /* | |
367 | * Start a new range. | |
368 | */ | |
369 | finish_range(lb); | |
370 | lb->first_block = lb->last_block = *blocknr; | |
371 | lb->first_bcnt = lb->last_bcnt = blockcnt; | |
372 | return 0; | |
373 | } | |
374 | /* | |
375 | * Not a normal block. Always force a new range. | |
376 | */ | |
377 | finish_range(lb); | |
378 | if (lb->first) | |
379 | lb->first = 0; | |
380 | else | |
381 | printf(", "); | |
a5eef73b | 382 | if (blockcnt == -1) |
0a3db93a | 383 | fprintf(lb->f, "(IND):%d", *blocknr); |
a5eef73b | 384 | else if (blockcnt == -2) |
0a3db93a | 385 | fprintf(lb->f, "(DIND):%d", *blocknr); |
a5eef73b | 386 | else if (blockcnt == -3) |
0a3db93a | 387 | fprintf(lb->f, "(TIND):%d", *blocknr); |
3839e657 TT |
388 | return 0; |
389 | } | |
390 | ||
391 | ||
50e1e10f | 392 | static void dump_blocks(FILE *f, ino_t inode) |
3839e657 TT |
393 | { |
394 | struct list_blocks_struct lb; | |
395 | ||
396 | fprintf(f, "BLOCKS:\n"); | |
397 | lb.total = 0; | |
0a3db93a | 398 | lb.first_block = 0; |
3839e657 | 399 | lb.f = f; |
0a3db93a | 400 | lb.first = 1; |
fc6d9d51 TT |
401 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
402 | list_blocks_proc, (void *)&lb); | |
0a3db93a | 403 | finish_range(&lb); |
3839e657 TT |
404 | if (lb.total) |
405 | fprintf(f, "\nTOTAL: %d\n", lb.total); | |
406 | fprintf(f,"\n"); | |
407 | } | |
408 | ||
409 | ||
50e1e10f | 410 | static void dump_inode(ino_t inode_num, struct ext2_inode inode) |
3839e657 | 411 | { |
50e1e10f | 412 | const char *i_type; |
3839e657 | 413 | FILE *out; |
fc6d9d51 TT |
414 | char frag, fsize; |
415 | int os = current_fs->super->s_creator_os; | |
3839e657 TT |
416 | |
417 | out = open_pager(); | |
50e1e10f TT |
418 | if (LINUX_S_ISDIR(inode.i_mode)) i_type = "directory"; |
419 | else if (LINUX_S_ISREG(inode.i_mode)) i_type = "regular"; | |
420 | else if (LINUX_S_ISLNK(inode.i_mode)) i_type = "symlink"; | |
421 | else if (LINUX_S_ISBLK(inode.i_mode)) i_type = "block special"; | |
422 | else if (LINUX_S_ISCHR(inode.i_mode)) i_type = "character special"; | |
423 | else if (LINUX_S_ISFIFO(inode.i_mode)) i_type = "FIFO"; | |
424 | else if (LINUX_S_ISSOCK(inode.i_mode)) i_type = "socket"; | |
3839e657 TT |
425 | else i_type = "bad type"; |
426 | fprintf(out, "Inode: %ld Type: %s ", inode_num, i_type); | |
14197170 | 427 | fprintf(out, "Mode: %04o Flags: 0x%x Generation: %u\n", |
b41d360b | 428 | inode.i_mode & 0777, inode.i_flags, inode.i_generation); |
36a43d67 TT |
429 | fprintf(out, "User: %5d Group: %5d Size: ", |
430 | inode.i_uid, inode.i_gid); | |
431 | if (LINUX_S_ISDIR(inode.i_mode)) | |
432 | fprintf(out, "%d\n", inode.i_size); | |
433 | else { | |
434 | __u64 i_size = (inode.i_size | | |
435 | ((unsigned long long)inode.i_size_high << 32)); | |
436 | ||
437 | fprintf(out, "%lld\n", i_size); | |
438 | } | |
fc6d9d51 | 439 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
440 | fprintf(out, |
441 | "File ACL: %d Directory ACL: %d Translator: %d\n", | |
36a43d67 | 442 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0, |
62c06f79 TT |
443 | inode.osd1.hurd1.h_i_translator); |
444 | else | |
445 | fprintf(out, "File ACL: %d Directory ACL: %d\n", | |
36a43d67 | 446 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0); |
50e1e10f | 447 | fprintf(out, "Links: %d Blockcount: %d\n", inode.i_links_count, |
3839e657 | 448 | inode.i_blocks); |
fc6d9d51 TT |
449 | switch (os) { |
450 | case EXT2_OS_LINUX: | |
451 | frag = inode.osd2.linux2.l_i_frag; | |
452 | fsize = inode.osd2.linux2.l_i_fsize; | |
453 | break; | |
454 | case EXT2_OS_HURD: | |
455 | frag = inode.osd2.hurd2.h_i_frag; | |
456 | fsize = inode.osd2.hurd2.h_i_fsize; | |
457 | break; | |
458 | case EXT2_OS_MASIX: | |
459 | frag = inode.osd2.masix2.m_i_frag; | |
460 | fsize = inode.osd2.masix2.m_i_fsize; | |
461 | break; | |
462 | default: | |
463 | frag = fsize = 0; | |
464 | } | |
50e1e10f | 465 | fprintf(out, "Fragment: Address: %d Number: %d Size: %d\n", |
fc6d9d51 | 466 | inode.i_faddr, frag, fsize); |
50e1e10f | 467 | fprintf(out, "ctime: 0x%08x -- %s", inode.i_ctime, |
fc6d9d51 | 468 | time_to_string(inode.i_ctime)); |
50e1e10f | 469 | fprintf(out, "atime: 0x%08x -- %s", inode.i_atime, |
fc6d9d51 | 470 | time_to_string(inode.i_atime)); |
50e1e10f | 471 | fprintf(out, "mtime: 0x%08x -- %s", inode.i_mtime, |
fc6d9d51 | 472 | time_to_string(inode.i_mtime)); |
3839e657 | 473 | if (inode.i_dtime) |
50e1e10f | 474 | fprintf(out, "dtime: 0x%08x -- %s", inode.i_dtime, |
fc6d9d51 | 475 | time_to_string(inode.i_dtime)); |
50e1e10f | 476 | if (LINUX_S_ISLNK(inode.i_mode) && inode.i_blocks == 0) |
0a3db93a TT |
477 | fprintf(out, "Fast_link_dest: %.*s\n", |
478 | inode.i_size, (char *)inode.i_block); | |
3839e657 TT |
479 | else |
480 | dump_blocks(out, inode_num); | |
481 | close_pager(out); | |
482 | } | |
483 | ||
484 | ||
485 | void do_stat(int argc, char *argv[]) | |
486 | { | |
487 | ino_t inode; | |
488 | struct ext2_inode inode_buf; | |
489 | int retval; | |
490 | ||
491 | if (argc != 2) { | |
492 | com_err(argv[0], 0, "Usage: stat <file>"); | |
493 | return; | |
494 | } | |
495 | if (check_fs_open(argv[0])) | |
496 | return; | |
497 | inode = string_to_inode(argv[1]); | |
498 | if (!inode) | |
499 | return; | |
500 | ||
fc6d9d51 | 501 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
502 | if (retval) |
503 | { | |
91d6d486 | 504 | com_err(argv[0], retval, "while trying to read inode %d", inode); |
3839e657 TT |
505 | return; |
506 | } | |
507 | ||
508 | dump_inode(inode,inode_buf); | |
509 | return; | |
510 | } | |
511 | ||
512 | void do_chroot(int argc, char *argv[]) | |
513 | { | |
514 | ino_t inode; | |
515 | int retval; | |
516 | ||
517 | if (argc != 2) { | |
518 | com_err(argv[0], 0, "Usage: chroot <file>"); | |
519 | return; | |
520 | } | |
521 | if (check_fs_open(argv[0])) | |
522 | return; | |
523 | inode = string_to_inode(argv[1]); | |
524 | if (!inode) | |
525 | return; | |
526 | ||
fc6d9d51 | 527 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
528 | if (retval) { |
529 | com_err(argv[1], retval, ""); | |
530 | return; | |
531 | } | |
532 | root = inode; | |
533 | } | |
534 | ||
535 | void do_clri(int argc, char *argv[]) | |
536 | { | |
537 | ino_t inode; | |
538 | int retval; | |
539 | struct ext2_inode inode_buf; | |
540 | ||
541 | if (argc != 2) { | |
542 | com_err(argv[0], 0, "Usage: clri <file>"); | |
543 | return; | |
544 | } | |
545 | if (check_fs_open(argv[0])) | |
546 | return; | |
fc6d9d51 | 547 | if (check_fs_read_write(argv[0])) |
3839e657 | 548 | return; |
3839e657 TT |
549 | inode = string_to_inode(argv[1]); |
550 | if (!inode) | |
551 | return; | |
552 | ||
fc6d9d51 | 553 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 554 | if (retval) { |
91d6d486 TT |
555 | com_err(argv[0], retval, "while trying to read inode %d", |
556 | inode); | |
3839e657 TT |
557 | return; |
558 | } | |
559 | memset(&inode_buf, 0, sizeof(inode_buf)); | |
fc6d9d51 | 560 | retval = ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
561 | if (retval) { |
562 | com_err(argv[0], retval, "while trying to write inode %d", | |
563 | inode); | |
564 | return; | |
565 | } | |
566 | } | |
567 | ||
568 | void do_freei(int argc, char *argv[]) | |
569 | { | |
570 | ino_t inode; | |
571 | ||
572 | if (argc != 2) { | |
573 | com_err(argv[0], 0, "Usage: freei <file>"); | |
574 | return; | |
575 | } | |
576 | if (check_fs_open(argv[0])) | |
577 | return; | |
fc6d9d51 | 578 | if (check_fs_read_write(argv[0])) |
3839e657 | 579 | return; |
3839e657 TT |
580 | inode = string_to_inode(argv[1]); |
581 | if (!inode) | |
582 | return; | |
583 | ||
fc6d9d51 | 584 | if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 585 | com_err(argv[0], 0, "Warning: inode already clear"); |
fc6d9d51 TT |
586 | ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode); |
587 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
588 | } |
589 | ||
590 | void do_seti(int argc, char *argv[]) | |
591 | { | |
592 | ino_t inode; | |
593 | ||
594 | if (argc != 2) { | |
595 | com_err(argv[0], 0, "Usage: seti <file>"); | |
596 | return; | |
597 | } | |
598 | if (check_fs_open(argv[0])) | |
599 | return; | |
fc6d9d51 | 600 | if (check_fs_read_write(argv[0])) |
3839e657 | 601 | return; |
3839e657 TT |
602 | inode = string_to_inode(argv[1]); |
603 | if (!inode) | |
604 | return; | |
605 | ||
fc6d9d51 | 606 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 607 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
608 | ext2fs_mark_inode_bitmap(current_fs->inode_map,inode); |
609 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
610 | } |
611 | ||
612 | void do_testi(int argc, char *argv[]) | |
613 | { | |
614 | ino_t inode; | |
615 | ||
616 | if (argc != 2) { | |
617 | com_err(argv[0], 0, "Usage: testi <file>"); | |
618 | return; | |
619 | } | |
620 | if (check_fs_open(argv[0])) | |
621 | return; | |
d61f6176 TT |
622 | if (check_fs_bitmaps(argv[0])) |
623 | return; | |
3839e657 TT |
624 | inode = string_to_inode(argv[1]); |
625 | if (!inode) | |
626 | return; | |
627 | ||
fc6d9d51 | 628 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 TT |
629 | printf("Inode %ld is marked in use\n", inode); |
630 | else | |
631 | printf("Inode %ld is not in use\n", inode); | |
632 | } | |
633 | ||
634 | ||
635 | void do_freeb(int argc, char *argv[]) | |
636 | { | |
637 | blk_t block; | |
638 | char *tmp; | |
639 | ||
640 | if (argc != 2) { | |
641 | com_err(argv[0], 0, "Usage: freeb <block>"); | |
642 | return; | |
643 | } | |
644 | if (check_fs_open(argv[0])) | |
645 | return; | |
fc6d9d51 | 646 | if (check_fs_read_write(argv[0])) |
3839e657 | 647 | return; |
3839e657 TT |
648 | block = strtoul(argv[1], &tmp, 0); |
649 | if (!block || *tmp) { | |
650 | com_err(argv[0], 0, "No block 0"); | |
651 | return; | |
652 | } | |
fc6d9d51 | 653 | if (!ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 654 | com_err(argv[0], 0, "Warning: block already clear"); |
fc6d9d51 TT |
655 | ext2fs_unmark_block_bitmap(current_fs->block_map,block); |
656 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
657 | } |
658 | ||
659 | void do_setb(int argc, char *argv[]) | |
660 | { | |
661 | blk_t block; | |
662 | char *tmp; | |
663 | ||
664 | if (argc != 2) { | |
665 | com_err(argv[0], 0, "Usage: setb <block>"); | |
666 | return; | |
667 | } | |
668 | if (check_fs_open(argv[0])) | |
669 | return; | |
fc6d9d51 | 670 | if (check_fs_read_write(argv[0])) |
3839e657 | 671 | return; |
3839e657 TT |
672 | block = strtoul(argv[1], &tmp, 0); |
673 | if (!block || *tmp) { | |
674 | com_err(argv[0], 0, "No block 0"); | |
675 | return; | |
676 | } | |
fc6d9d51 | 677 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 678 | com_err(argv[0], 0, "Warning: block already set"); |
fc6d9d51 TT |
679 | ext2fs_mark_block_bitmap(current_fs->block_map,block); |
680 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
681 | } |
682 | ||
683 | void do_testb(int argc, char *argv[]) | |
684 | { | |
685 | blk_t block; | |
686 | char *tmp; | |
687 | ||
688 | if (argc != 2) { | |
689 | com_err(argv[0], 0, "Usage: testb <block>"); | |
690 | return; | |
691 | } | |
692 | if (check_fs_open(argv[0])) | |
693 | return; | |
d61f6176 TT |
694 | if (check_fs_bitmaps(argv[0])) |
695 | return; | |
3839e657 TT |
696 | block = strtoul(argv[1], &tmp, 0); |
697 | if (!block || *tmp) { | |
698 | com_err(argv[0], 0, "No block 0"); | |
699 | return; | |
700 | } | |
fc6d9d51 | 701 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
50e1e10f TT |
702 | printf("Block %d marked in use\n", block); |
703 | else printf("Block %d not in use\n", block); | |
3839e657 TT |
704 | } |
705 | ||
50e1e10f TT |
706 | static void modify_u8(char *com, const char *prompt, |
707 | const char *format, __u8 *val) | |
3839e657 TT |
708 | { |
709 | char buf[200]; | |
21c84b71 | 710 | unsigned long v; |
3839e657 TT |
711 | char *tmp; |
712 | ||
713 | sprintf(buf, format, *val); | |
714 | printf("%30s [%s] ", prompt, buf); | |
715 | fgets(buf, sizeof(buf), stdin); | |
716 | if (buf[strlen (buf) - 1] == '\n') | |
717 | buf[strlen (buf) - 1] = '\0'; | |
718 | if (!buf[0]) | |
719 | return; | |
21c84b71 | 720 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
721 | if (*tmp) |
722 | com_err(com, 0, "Bad value - %s", buf); | |
723 | else | |
724 | *val = v; | |
725 | } | |
726 | ||
50e1e10f TT |
727 | static void modify_u16(char *com, const char *prompt, |
728 | const char *format, __u16 *val) | |
3839e657 TT |
729 | { |
730 | char buf[200]; | |
21c84b71 | 731 | unsigned long v; |
3839e657 TT |
732 | char *tmp; |
733 | ||
734 | sprintf(buf, format, *val); | |
735 | printf("%30s [%s] ", prompt, buf); | |
736 | fgets(buf, sizeof(buf), stdin); | |
737 | if (buf[strlen (buf) - 1] == '\n') | |
738 | buf[strlen (buf) - 1] = '\0'; | |
739 | if (!buf[0]) | |
740 | return; | |
21c84b71 | 741 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
742 | if (*tmp) |
743 | com_err(com, 0, "Bad value - %s", buf); | |
744 | else | |
745 | *val = v; | |
746 | } | |
747 | ||
50e1e10f TT |
748 | static void modify_u32(char *com, const char *prompt, |
749 | const char *format, __u32 *val) | |
3839e657 TT |
750 | { |
751 | char buf[200]; | |
21c84b71 | 752 | unsigned long v; |
3839e657 TT |
753 | char *tmp; |
754 | ||
755 | sprintf(buf, format, *val); | |
756 | printf("%30s [%s] ", prompt, buf); | |
757 | fgets(buf, sizeof(buf), stdin); | |
758 | if (buf[strlen (buf) - 1] == '\n') | |
759 | buf[strlen (buf) - 1] = '\0'; | |
760 | if (!buf[0]) | |
761 | return; | |
21c84b71 | 762 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
763 | if (*tmp) |
764 | com_err(com, 0, "Bad value - %s", buf); | |
765 | else | |
766 | *val = v; | |
767 | } | |
768 | ||
769 | ||
770 | void do_modify_inode(int argc, char *argv[]) | |
771 | { | |
772 | struct ext2_inode inode; | |
773 | ino_t inode_num; | |
774 | int i; | |
775 | errcode_t retval; | |
fc6d9d51 | 776 | unsigned char *frag, *fsize; |
3839e657 | 777 | char buf[80]; |
fc6d9d51 | 778 | int os = current_fs->super->s_creator_os; |
50e1e10f TT |
779 | const char *hex_format = "0x%x"; |
780 | const char *octal_format = "0%o"; | |
781 | const char *decimal_format = "%d"; | |
3839e657 TT |
782 | |
783 | if (argc != 2) { | |
784 | com_err(argv[0], 0, "Usage: modify_inode <file>"); | |
785 | return; | |
786 | } | |
787 | if (check_fs_open(argv[0])) | |
788 | return; | |
fc6d9d51 | 789 | if (check_fs_read_write(argv[0])) |
3839e657 | 790 | return; |
3839e657 TT |
791 | |
792 | inode_num = string_to_inode(argv[1]); | |
793 | if (!inode_num) | |
794 | return; | |
795 | ||
fc6d9d51 | 796 | retval = ext2fs_read_inode(current_fs, inode_num, &inode); |
3839e657 TT |
797 | if (retval) { |
798 | com_err(argv[1], retval, "while trying to read inode %d", | |
799 | inode_num); | |
800 | return; | |
801 | } | |
802 | ||
50e1e10f TT |
803 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); |
804 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
805 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
806 | modify_u32(argv[0], "Size", decimal_format, &inode.i_size); | |
807 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); | |
808 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
809 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
810 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
811 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
812 | modify_u32(argv[0], "Block count", decimal_format, &inode.i_blocks); | |
813 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); | |
814 | #if 0 | |
815 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
816 | #endif | |
817 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
36a43d67 TT |
818 | if (LINUX_S_ISDIR(inode.i_mode)) |
819 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
820 | else | |
821 | modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high); | |
62c06f79 | 822 | |
fc6d9d51 | 823 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
824 | modify_u32(argv[0], "Translator Block", |
825 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
826 | ||
50e1e10f | 827 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); |
fc6d9d51 TT |
828 | switch (os) { |
829 | case EXT2_OS_LINUX: | |
830 | frag = &inode.osd2.linux2.l_i_frag; | |
831 | fsize = &inode.osd2.linux2.l_i_fsize; | |
832 | break; | |
833 | case EXT2_OS_HURD: | |
834 | frag = &inode.osd2.hurd2.h_i_frag; | |
835 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
836 | break; | |
837 | case EXT2_OS_MASIX: | |
838 | frag = &inode.osd2.masix2.m_i_frag; | |
839 | fsize = &inode.osd2.masix2.m_i_fsize; | |
840 | break; | |
841 | default: | |
842 | frag = fsize = 0; | |
843 | } | |
844 | if (frag) | |
845 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
846 | if (fsize) | |
847 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
848 | ||
3839e657 TT |
849 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { |
850 | sprintf(buf, "Direct Block #%d", i); | |
50e1e10f | 851 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); |
3839e657 | 852 | } |
50e1e10f | 853 | modify_u32(argv[0], "Indirect Block", decimal_format, |
3839e657 | 854 | &inode.i_block[EXT2_IND_BLOCK]); |
50e1e10f | 855 | modify_u32(argv[0], "Double Indirect Block", decimal_format, |
3839e657 | 856 | &inode.i_block[EXT2_DIND_BLOCK]); |
50e1e10f | 857 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, |
3839e657 | 858 | &inode.i_block[EXT2_TIND_BLOCK]); |
fc6d9d51 | 859 | retval = ext2fs_write_inode(current_fs, inode_num, &inode); |
3839e657 TT |
860 | if (retval) { |
861 | com_err(argv[1], retval, "while trying to write inode %d", | |
862 | inode_num); | |
863 | return; | |
864 | } | |
865 | } | |
866 | ||
3839e657 TT |
867 | void do_change_working_dir(int argc, char *argv[]) |
868 | { | |
869 | ino_t inode; | |
870 | int retval; | |
871 | ||
872 | if (argc != 2) { | |
873 | com_err(argv[0], 0, "Usage: cd <file>"); | |
874 | return; | |
875 | } | |
876 | if (check_fs_open(argv[0])) | |
877 | return; | |
878 | ||
879 | inode = string_to_inode(argv[1]); | |
880 | if (!inode) | |
881 | return; | |
882 | ||
fc6d9d51 | 883 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
884 | if (retval) { |
885 | com_err(argv[1], retval, ""); | |
886 | return; | |
887 | } | |
888 | cwd = inode; | |
889 | return; | |
890 | } | |
891 | ||
3839e657 TT |
892 | void do_print_working_directory(int argc, char *argv[]) |
893 | { | |
894 | int retval; | |
895 | char *pathname = NULL; | |
896 | ||
897 | if (argc > 1) { | |
898 | com_err(argv[0], 0, "Usage: print_working_directory"); | |
899 | return; | |
900 | } | |
901 | if (check_fs_open(argv[0])) | |
902 | return; | |
903 | ||
fc6d9d51 | 904 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); |
3839e657 TT |
905 | if (retval) { |
906 | com_err(argv[0], retval, | |
907 | "while trying to get pathname of cwd"); | |
908 | } | |
909 | printf("[pwd] INODE: %6ld PATH: %s\n", cwd, pathname); | |
910 | free(pathname); | |
fc6d9d51 | 911 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); |
3839e657 TT |
912 | if (retval) { |
913 | com_err(argv[0], retval, | |
914 | "while trying to get pathname of root"); | |
915 | } | |
916 | printf("[root] INODE: %6ld PATH: %s\n", root, pathname); | |
917 | free(pathname); | |
918 | return; | |
919 | } | |
920 | ||
50e1e10f | 921 | static void make_link(char *sourcename, char *destname) |
3839e657 TT |
922 | { |
923 | ino_t inode; | |
924 | int retval; | |
925 | ino_t dir; | |
926 | char *dest, *cp, *basename; | |
927 | ||
928 | /* | |
929 | * Get the source inode | |
930 | */ | |
931 | inode = string_to_inode(sourcename); | |
932 | if (!inode) | |
933 | return; | |
934 | basename = strrchr(sourcename, '/'); | |
935 | if (basename) | |
936 | basename++; | |
937 | else | |
938 | basename = sourcename; | |
939 | /* | |
940 | * Figure out the destination. First see if it exists and is | |
941 | * a directory. | |
942 | */ | |
fc6d9d51 | 943 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) |
3839e657 TT |
944 | dest = basename; |
945 | else { | |
946 | /* | |
947 | * OK, it doesn't exist. See if it is | |
948 | * '<dir>/basename' or 'basename' | |
949 | */ | |
950 | cp = strrchr(destname, '/'); | |
951 | if (cp) { | |
952 | *cp = 0; | |
953 | dir = string_to_inode(destname); | |
954 | if (!dir) | |
955 | return; | |
956 | dest = cp+1; | |
957 | } else { | |
958 | dir = cwd; | |
959 | dest = destname; | |
960 | } | |
961 | } | |
962 | ||
fc6d9d51 | 963 | retval = ext2fs_link(current_fs, dir, dest, inode, 0); |
3839e657 TT |
964 | if (retval) |
965 | com_err("make_link", retval, ""); | |
966 | return; | |
967 | } | |
968 | ||
969 | ||
970 | void do_link(int argc, char *argv[]) | |
971 | { | |
972 | if (argc != 3) { | |
973 | com_err(argv[0], 0, "Usage: link <source_file> <dest_name>"); | |
974 | return; | |
975 | } | |
976 | if (check_fs_open(argv[0])) | |
977 | return; | |
978 | ||
979 | make_link(argv[1], argv[2]); | |
980 | } | |
981 | ||
50e1e10f | 982 | static void unlink_file_by_name(char *filename) |
3839e657 TT |
983 | { |
984 | int retval; | |
985 | ino_t dir; | |
986 | char *basename; | |
987 | ||
988 | basename = strrchr(filename, '/'); | |
989 | if (basename) { | |
fc6d9d51 | 990 | *basename++ = '\0'; |
3839e657 TT |
991 | dir = string_to_inode(filename); |
992 | if (!dir) | |
993 | return; | |
994 | } else { | |
995 | dir = cwd; | |
996 | basename = filename; | |
997 | } | |
fc6d9d51 | 998 | retval = ext2fs_unlink(current_fs, dir, basename, 0, 0); |
3839e657 TT |
999 | if (retval) |
1000 | com_err("unlink_file_by_name", retval, ""); | |
1001 | return; | |
1002 | } | |
1003 | ||
1004 | void do_unlink(int argc, char *argv[]) | |
1005 | { | |
1006 | if (argc != 2) { | |
1007 | com_err(argv[0], 0, "Usage: unlink <pathname>"); | |
1008 | return; | |
1009 | } | |
1010 | if (check_fs_open(argv[0])) | |
1011 | return; | |
1012 | ||
1013 | unlink_file_by_name(argv[1]); | |
1014 | } | |
1015 | ||
1016 | void do_find_free_block(int argc, char *argv[]) | |
1017 | { | |
1018 | blk_t free_blk, goal; | |
1019 | errcode_t retval; | |
1020 | char *tmp; | |
1021 | ||
50e1e10f TT |
1022 | if ((argc > 2) || (argc==2 && *argv[1] == '?')) { |
1023 | com_err(argv[0], 0, "Usage: find_free_block [goal]"); | |
3839e657 TT |
1024 | return; |
1025 | } | |
1026 | if (check_fs_open(argv[0])) | |
1027 | return; | |
1028 | ||
1029 | if (argc > 1) { | |
1030 | goal = strtol(argv[1], &tmp, 0); | |
1031 | if (*tmp) { | |
1032 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
1033 | return; | |
1034 | } | |
1035 | } | |
1036 | else | |
fc6d9d51 | 1037 | goal = current_fs->super->s_first_data_block; |
3839e657 | 1038 | |
fc6d9d51 | 1039 | retval = ext2fs_new_block(current_fs, goal, 0, &free_blk); |
3839e657 TT |
1040 | if (retval) |
1041 | com_err("ext2fs_new_block", retval, ""); | |
1042 | else | |
50e1e10f | 1043 | printf("Free block found: %d\n", free_blk); |
3839e657 TT |
1044 | |
1045 | } | |
1046 | ||
1047 | void do_find_free_inode(int argc, char *argv[]) | |
1048 | { | |
1049 | ino_t free_inode, dir; | |
1050 | int mode; | |
1051 | int retval; | |
1052 | char *tmp; | |
1053 | ||
50e1e10f TT |
1054 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { |
1055 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
3839e657 TT |
1056 | return; |
1057 | } | |
1058 | if (check_fs_open(argv[0])) | |
1059 | return; | |
1060 | ||
1061 | if (argc > 1) { | |
1062 | dir = strtol(argv[1], &tmp, 0); | |
1063 | if (*tmp) { | |
1064 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
1065 | return; | |
1066 | } | |
1067 | } | |
1068 | else | |
1069 | dir = root; | |
1070 | if (argc > 2) { | |
1071 | mode = strtol(argv[2], &tmp, 0); | |
1072 | if (*tmp) { | |
1073 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
1074 | return; | |
1075 | } | |
50e1e10f | 1076 | } else |
3839e657 TT |
1077 | mode = 010755; |
1078 | ||
fc6d9d51 | 1079 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); |
3839e657 TT |
1080 | if (retval) |
1081 | com_err("ext2fs_new_inode", retval, ""); | |
1082 | else | |
1083 | printf("Free inode found: %ld\n", free_inode); | |
1084 | } | |
1085 | ||
50e1e10f TT |
1086 | static errcode_t copy_file(int fd, ino_t newfile) |
1087 | { | |
5a51384e | 1088 | ext2_file_t e2_file; |
50e1e10f | 1089 | errcode_t retval; |
4a31c48b | 1090 | unsigned int got, written; |
5a51384e TT |
1091 | char buf[8192]; |
1092 | char *ptr; | |
50e1e10f | 1093 | |
5a51384e TT |
1094 | retval = ext2fs_file_open(current_fs, newfile, |
1095 | EXT2_FILE_WRITE, &e2_file); | |
50e1e10f TT |
1096 | if (retval) |
1097 | return retval; | |
50e1e10f | 1098 | |
5a51384e TT |
1099 | while (1) { |
1100 | got = read(fd, buf, sizeof(buf)); | |
1101 | if (got == 0) | |
1102 | break; | |
1103 | if (got < 0) { | |
1104 | retval = errno; | |
1105 | goto fail; | |
1106 | } | |
1107 | ptr = buf; | |
1108 | while (got > 0) { | |
1109 | retval = ext2fs_file_write(e2_file, ptr, | |
1110 | got, &written); | |
1111 | if (retval) | |
1112 | goto fail; | |
1113 | ||
1114 | got -= written; | |
1115 | ptr += written; | |
1116 | } | |
1117 | } | |
1118 | retval = ext2fs_file_close(e2_file); | |
50e1e10f | 1119 | |
5a51384e TT |
1120 | return retval; |
1121 | ||
1122 | fail: | |
1123 | (void) ext2fs_file_close(e2_file); | |
1124 | return retval; | |
50e1e10f TT |
1125 | } |
1126 | ||
5a51384e | 1127 | |
50e1e10f TT |
1128 | void do_write(int argc, char *argv[]) |
1129 | { | |
1130 | int fd; | |
1131 | struct stat statbuf; | |
1132 | ino_t newfile; | |
1133 | errcode_t retval; | |
1134 | struct ext2_inode inode; | |
5a51384e | 1135 | dgrp_t group; |
50e1e10f TT |
1136 | |
1137 | if (check_fs_open(argv[0])) | |
1138 | return; | |
1139 | if (argc != 3) { | |
1140 | com_err(argv[0], 0, "Usage: write <nativefile> <newfile>"); | |
1141 | return; | |
1142 | } | |
fc6d9d51 | 1143 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1144 | return; |
50e1e10f TT |
1145 | fd = open(argv[1], O_RDONLY); |
1146 | if (fd < 0) { | |
1147 | com_err(argv[1], fd, ""); | |
1148 | return; | |
1149 | } | |
1150 | if (fstat(fd, &statbuf) < 0) { | |
1151 | com_err(argv[1], errno, ""); | |
1152 | close(fd); | |
1153 | return; | |
1154 | } | |
1155 | ||
fc6d9d51 | 1156 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1157 | if (retval) { |
1158 | com_err(argv[0], retval, ""); | |
1159 | close(fd); | |
1160 | return; | |
1161 | } | |
5a51384e TT |
1162 | group = ext2fs_group_of_ino(current_fs, newfile); |
1163 | current_fs->group_desc[group].bg_free_inodes_count--; | |
1164 | current_fs->super->s_free_inodes_count--; | |
1165 | ext2fs_mark_super_dirty(current_fs); | |
50e1e10f | 1166 | printf("Allocated inode: %ld\n", newfile); |
fc6d9d51 | 1167 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, 0); |
50e1e10f TT |
1168 | if (retval) { |
1169 | com_err(argv[2], retval, ""); | |
1170 | close(fd); | |
1171 | return; | |
1172 | } | |
fc6d9d51 | 1173 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1174 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1175 | ext2fs_mark_inode_bitmap(current_fs->inode_map,newfile); |
1176 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1177 | memset(&inode, 0, sizeof(inode)); |
1178 | inode.i_mode = statbuf.st_mode; | |
1179 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1180 | inode.i_links_count = 1; | |
1181 | inode.i_size = statbuf.st_size; | |
fc6d9d51 TT |
1182 | ext2fs_write_inode(current_fs, newfile, &inode); |
1183 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f | 1184 | if (retval) { |
fc6d9d51 TT |
1185 | com_err(argv[0], retval, "while trying to write inode %d", |
1186 | inode); | |
50e1e10f TT |
1187 | close(fd); |
1188 | return; | |
1189 | } | |
1190 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1191 | retval = copy_file(fd, newfile); | |
1192 | if (retval) | |
1193 | com_err("copy_file", retval, ""); | |
1194 | } | |
1195 | close(fd); | |
1196 | } | |
1197 | ||
1198 | void do_mknod(int argc, char *argv[]) | |
1199 | { | |
1200 | unsigned long mode, major, minor, nr; | |
1201 | ino_t newfile; | |
1202 | errcode_t retval; | |
1203 | struct ext2_inode inode; | |
1204 | ||
1205 | if (check_fs_open(argv[0])) | |
1206 | return; | |
1207 | if (argc < 3 || argv[2][1]) { | |
1208 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1209 | return; | |
1210 | } | |
1211 | mode = minor = major = 0; | |
1212 | switch (argv[2][0]) { | |
1213 | case 'p': | |
1214 | mode = LINUX_S_IFIFO; | |
1215 | nr = 3; | |
1216 | break; | |
1217 | case 'c': | |
1218 | mode = LINUX_S_IFCHR; | |
1219 | nr = 5; | |
1220 | break; | |
1221 | case 'b': | |
1222 | mode = LINUX_S_IFBLK; | |
1223 | nr = 5; | |
1224 | break; | |
1225 | default: | |
1226 | nr = 0; | |
1227 | } | |
1228 | if (nr == 5) { | |
1229 | major = strtoul(argv[3], argv+3, 0); | |
1230 | minor = strtoul(argv[4], argv+4, 0); | |
1231 | if (major > 255 || minor > 255 || argv[3][0] || argv[4][0]) | |
1232 | nr = 0; | |
1233 | } | |
1234 | if (argc != nr) { | |
1235 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1236 | return; | |
1237 | } | |
fc6d9d51 | 1238 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1239 | return; |
fc6d9d51 | 1240 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1241 | if (retval) { |
1242 | com_err(argv[0], retval, ""); | |
1243 | return; | |
1244 | } | |
1245 | printf("Allocated inode: %ld\n", newfile); | |
fc6d9d51 | 1246 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, 0); |
50e1e10f TT |
1247 | if (retval) { |
1248 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
fc6d9d51 | 1249 | retval = ext2fs_expand_dir(current_fs, cwd); |
50e1e10f | 1250 | if (!retval) |
fc6d9d51 TT |
1251 | retval = ext2fs_link(current_fs, cwd, |
1252 | argv[1], newfile, 0); | |
50e1e10f TT |
1253 | } |
1254 | if (retval) { | |
1255 | com_err(argv[1], retval, ""); | |
1256 | return; | |
1257 | } | |
1258 | } | |
fc6d9d51 | 1259 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1260 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1261 | ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile); |
1262 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1263 | memset(&inode, 0, sizeof(inode)); |
1264 | inode.i_mode = mode; | |
1265 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1266 | inode.i_block[0] = major*256+minor; | |
1267 | inode.i_links_count = 1; | |
fc6d9d51 TT |
1268 | ext2fs_write_inode(current_fs, newfile, &inode); |
1269 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f TT |
1270 | if (retval) { |
1271 | com_err(argv[0], retval, "while trying to write inode %d", inode); | |
1272 | return; | |
1273 | } | |
1274 | } | |
1275 | ||
3839e657 TT |
1276 | void do_mkdir(int argc, char *argv[]) |
1277 | { | |
1278 | char *cp; | |
1279 | ino_t parent; | |
1280 | char *name; | |
1281 | errcode_t retval; | |
1282 | ||
1283 | if (check_fs_open(argv[0])) | |
1284 | return; | |
1285 | ||
1286 | if (argc != 2) { | |
1287 | com_err(argv[0], 0, "Usage: mkdir <file>"); | |
1288 | return; | |
1289 | } | |
1290 | ||
d3aea7dc TT |
1291 | if (check_fs_read_write(argv[0])) |
1292 | return; | |
1293 | ||
3839e657 TT |
1294 | cp = strrchr(argv[1], '/'); |
1295 | if (cp) { | |
1296 | *cp = 0; | |
1297 | parent = string_to_inode(argv[1]); | |
1298 | if (!parent) { | |
1299 | com_err(argv[1], ENOENT, ""); | |
1300 | return; | |
1301 | } | |
1302 | name = cp+1; | |
1303 | } else { | |
1304 | parent = cwd; | |
1305 | name = argv[1]; | |
1306 | } | |
1307 | ||
1308 | ||
fc6d9d51 | 1309 | retval = ext2fs_mkdir(current_fs, parent, 0, name); |
3839e657 TT |
1310 | if (retval) { |
1311 | com_err("ext2fs_mkdir", retval, ""); | |
1312 | return; | |
1313 | } | |
1314 | ||
1315 | } | |
1316 | ||
1317 | void do_rmdir(int argc, char *argv[]) | |
1318 | { | |
1319 | printf("Unimplemented\n"); | |
1320 | } | |
1321 | ||
1322 | ||
50e1e10f TT |
1323 | static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, |
1324 | int blockcnt, void *private) | |
3839e657 | 1325 | { |
50e1e10f | 1326 | printf("%d ", *blocknr); |
f3db3566 | 1327 | ext2fs_unmark_block_bitmap(fs->block_map,*blocknr); |
3839e657 TT |
1328 | return 0; |
1329 | } | |
1330 | ||
fc6d9d51 | 1331 | static void kill_file_by_inode(ino_t inode) |
3839e657 TT |
1332 | { |
1333 | struct ext2_inode inode_buf; | |
1334 | ||
fc6d9d51 | 1335 | ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 1336 | inode_buf.i_dtime = time(NULL); |
fc6d9d51 | 1337 | ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
1338 | |
1339 | printf("Kill file by inode %ld\n", inode); | |
fc6d9d51 TT |
1340 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
1341 | release_blocks_proc, NULL); | |
521e3685 | 1342 | printf("\n"); |
fc6d9d51 | 1343 | ext2fs_unmark_inode_bitmap(current_fs->inode_map, inode); |
3839e657 | 1344 | |
fc6d9d51 TT |
1345 | ext2fs_mark_bb_dirty(current_fs); |
1346 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
1347 | } |
1348 | ||
1349 | ||
1350 | void do_kill_file(int argc, char *argv[]) | |
1351 | { | |
1352 | ino_t inode_num; | |
1353 | ||
1354 | if (argc != 2) { | |
1355 | com_err(argv[0], 0, "Usage: kill_file <file>"); | |
1356 | return; | |
1357 | } | |
1358 | if (check_fs_open(argv[0])) | |
1359 | return; | |
1360 | ||
d3aea7dc TT |
1361 | if (check_fs_read_write(argv[0])) |
1362 | return; | |
1363 | ||
3839e657 TT |
1364 | inode_num = string_to_inode(argv[1]); |
1365 | if (!inode_num) { | |
1366 | com_err(argv[0], 0, "Cannot find file"); | |
1367 | return; | |
1368 | } | |
1369 | kill_file_by_inode(inode_num); | |
1370 | } | |
1371 | ||
1372 | void do_rm(int argc, char *argv[]) | |
1373 | { | |
1374 | int retval; | |
1375 | ino_t inode_num; | |
1376 | struct ext2_inode inode; | |
1377 | ||
1378 | if (argc != 2) { | |
1379 | com_err(argv[0], 0, "Usage: rm <filename>"); | |
1380 | return; | |
1381 | } | |
1382 | if (check_fs_open(argv[0])) | |
1383 | return; | |
1384 | ||
d3aea7dc TT |
1385 | if (check_fs_read_write(argv[0])) |
1386 | return; | |
1387 | ||
fc6d9d51 | 1388 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); |
3839e657 | 1389 | if (retval) { |
91d6d486 | 1390 | com_err(argv[0], retval, "while trying to resolve filename"); |
3839e657 TT |
1391 | return; |
1392 | } | |
1393 | ||
fc6d9d51 | 1394 | retval = ext2fs_read_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1395 | if (retval) { |
1396 | com_err(argv[0], retval, "while reading file's inode"); | |
1397 | return; | |
1398 | } | |
1399 | ||
50e1e10f | 1400 | if (LINUX_S_ISDIR(inode.i_mode)) { |
3839e657 TT |
1401 | com_err(argv[0], 0, "file is a directory"); |
1402 | return; | |
1403 | } | |
1404 | ||
1405 | --inode.i_links_count; | |
fc6d9d51 | 1406 | retval = ext2fs_write_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1407 | if (retval) { |
1408 | com_err(argv[0], retval, "while writing inode"); | |
1409 | return; | |
1410 | } | |
1411 | ||
1412 | unlink_file_by_name(argv[1]); | |
1413 | if (inode.i_links_count == 0) | |
1414 | kill_file_by_inode(inode_num); | |
1415 | } | |
1416 | ||
1417 | void do_show_debugfs_params(int argc, char *argv[]) | |
1418 | { | |
1419 | FILE *out = stdout; | |
1420 | ||
fc6d9d51 TT |
1421 | if (current_fs) |
1422 | fprintf(out, "Open mode: read-%s\n", | |
1423 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
3839e657 | 1424 | fprintf(out, "Filesystem in use: %s\n", |
fc6d9d51 | 1425 | current_fs ? current_fs->device_name : "--none--"); |
3839e657 TT |
1426 | } |
1427 | ||
1428 | void do_expand_dir(int argc, char *argv[]) | |
1429 | { | |
1430 | ino_t inode; | |
1431 | int retval; | |
1432 | ||
1433 | if (argc != 2) { | |
1434 | com_err(argv[0], 0, "Usage: expand_dir <file>"); | |
1435 | return; | |
1436 | } | |
1437 | if (check_fs_open(argv[0])) | |
1438 | return; | |
1439 | inode = string_to_inode(argv[1]); | |
1440 | if (!inode) | |
1441 | return; | |
1442 | ||
fc6d9d51 | 1443 | retval = ext2fs_expand_dir(current_fs, inode); |
3839e657 TT |
1444 | if (retval) |
1445 | com_err("ext2fs_expand_dir", retval, ""); | |
1446 | return; | |
1447 | } | |
1448 | ||
d3aea7dc TT |
1449 | void do_features(int argc, char *argv[]) |
1450 | { | |
1451 | int i; | |
1452 | ||
1453 | if (check_fs_open(argv[0])) | |
1454 | return; | |
1455 | ||
1456 | if ((argc != 1) && check_fs_read_write(argv[0])) | |
1457 | return; | |
1458 | for (i=1; i < argc; i++) { | |
1459 | if (e2p_edit_feature(argv[i], | |
06968e7e | 1460 | ¤t_fs->super->s_feature_compat, 0)) |
d3aea7dc TT |
1461 | com_err(argv[0], 0, "Unknown feature: %s\n", |
1462 | argv[i]); | |
1463 | else | |
1464 | ext2fs_mark_super_dirty(current_fs); | |
1465 | } | |
1466 | print_features((struct ext2fs_sb *) current_fs->super, stdout); | |
1467 | } | |
1468 | ||
fc6d9d51 TT |
1469 | static int source_file(const char *cmd_file, int sci_idx) |
1470 | { | |
1471 | FILE *f; | |
1472 | char buf[256]; | |
1473 | char *cp; | |
1474 | int exit_status = 0; | |
1475 | int retval; | |
1476 | ||
1477 | if (strcmp(cmd_file, "-") == 0) | |
1478 | f = stdin; | |
1479 | else { | |
1480 | f = fopen(cmd_file, "r"); | |
1481 | if (!f) { | |
1482 | perror(cmd_file); | |
1483 | exit(1); | |
1484 | } | |
1485 | } | |
1486 | setbuf(stdout, NULL); | |
1487 | setbuf(stderr, NULL); | |
1488 | while (!feof(f)) { | |
1489 | if (fgets(buf, sizeof(buf), f) == NULL) | |
1490 | break; | |
1491 | cp = strchr(buf, '\n'); | |
1492 | if (cp) | |
1493 | *cp = 0; | |
1494 | cp = strchr(buf, '\r'); | |
1495 | if (cp) | |
1496 | *cp = 0; | |
1497 | printf("debugfs: %s\n", buf); | |
1498 | retval = ss_execute_line(sci_idx, buf); | |
1499 | if (retval) { | |
1500 | ss_perror(sci_idx, retval, buf); | |
1501 | exit_status++; | |
1502 | } | |
1503 | } | |
1504 | return exit_status; | |
1505 | } | |
1506 | ||
a8859cad | 1507 | int main(int argc, char **argv) |
3839e657 | 1508 | { |
50e1e10f TT |
1509 | int retval; |
1510 | int sci_idx; | |
2e8d40d5 | 1511 | const char *usage = "Usage: debugfs [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]"; |
f1304811 | 1512 | int c; |
50e1e10f | 1513 | int open_flags = 0; |
fc6d9d51 TT |
1514 | char *request = 0; |
1515 | int exit_status = 0; | |
1516 | char *cmd_file = 0; | |
2e8d40d5 TT |
1517 | blk_t superblock = 0; |
1518 | blk_t blocksize = 0; | |
1519 | int catastrophic = 0; | |
1520 | char *tmp; | |
3839e657 TT |
1521 | |
1522 | initialize_ext2_error_table(); | |
818180cd TT |
1523 | fprintf (stderr, "debugfs %s, %s for EXT2 FS %s, %s\n", |
1524 | E2FSPROGS_VERSION, E2FSPROGS_DATE, | |
1525 | EXT2FS_VERSION, EXT2FS_DATE); | |
3839e657 | 1526 | |
2e8d40d5 | 1527 | while ((c = getopt (argc, argv, "wcR:f:b:s:V")) != EOF) { |
3839e657 | 1528 | switch (c) { |
fc6d9d51 TT |
1529 | case 'R': |
1530 | request = optarg; | |
1531 | break; | |
1532 | case 'f': | |
1533 | cmd_file = optarg; | |
1534 | break; | |
3839e657 TT |
1535 | case 'w': |
1536 | open_flags = EXT2_FLAG_RW; | |
1537 | break; | |
2e8d40d5 TT |
1538 | case 'b': |
1539 | blocksize = strtoul(optarg, &tmp, 0); | |
1540 | if (*tmp) { | |
1541 | com_err(argv[0], 0, | |
1542 | "Bad block size - %s", optarg); | |
1543 | return 1; | |
1544 | } | |
1545 | break; | |
1546 | case 's': | |
1547 | superblock = strtoul(optarg, &tmp, 0); | |
1548 | if (*tmp) { | |
1549 | com_err(argv[0], 0, | |
1550 | "Bad superblock number - %s", optarg); | |
1551 | return 1; | |
1552 | } | |
1553 | break; | |
1554 | case 'c': | |
1555 | catastrophic = 1; | |
1556 | break; | |
818180cd TT |
1557 | case 'V': |
1558 | /* Print version number and exit */ | |
1559 | fprintf(stderr, "\tUsing %s\n", | |
1560 | error_message(EXT2_ET_BASE)); | |
1561 | exit(0); | |
3839e657 TT |
1562 | default: |
1563 | com_err(argv[0], 0, usage); | |
b4ac9cc3 | 1564 | return 1; |
3839e657 TT |
1565 | } |
1566 | } | |
1567 | if (optind < argc) | |
2e8d40d5 TT |
1568 | open_filesystem(argv[optind], open_flags, |
1569 | superblock, blocksize, catastrophic); | |
3839e657 TT |
1570 | |
1571 | sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL, | |
1572 | &debug_cmds, &retval); | |
1573 | if (retval) { | |
1574 | ss_perror(sci_idx, retval, "creating invocation"); | |
1575 | exit(1); | |
1576 | } | |
1577 | ||
1578 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
1579 | if (retval) { | |
1580 | ss_perror(sci_idx, retval, "adding standard requests"); | |
1581 | exit (1); | |
1582 | } | |
fc6d9d51 TT |
1583 | if (request) { |
1584 | retval = 0; | |
1585 | retval = ss_execute_line(sci_idx, request); | |
1586 | if (retval) { | |
1587 | ss_perror(sci_idx, retval, request); | |
1588 | exit_status++; | |
1589 | } | |
1590 | } else if (cmd_file) { | |
1591 | exit_status = source_file(cmd_file, sci_idx); | |
1592 | } else { | |
1593 | ss_listen(sci_idx); | |
1594 | } | |
3839e657 | 1595 | |
fc6d9d51 | 1596 | if (current_fs) |
3839e657 TT |
1597 | close_filesystem(); |
1598 | ||
e597304a | 1599 | return exit_status; |
3839e657 | 1600 | } |