]>
Commit | Line | Data |
---|---|---|
3839e657 TT |
1 | /* |
2 | * debugfs.c --- a program which allows you to attach an ext2fs | |
3 | * filesystem and play with it. | |
4 | * | |
5 | * Copyright (C) 1993 Theodore Ts'o. This file may be redistributed | |
6 | * under the terms of the GNU Public License. | |
7 | * | |
8 | * Modifications by Robert Sanders <gt8134b@prism.gatech.edu> | |
9 | */ | |
10 | ||
11 | #include <stdio.h> | |
12 | #include <unistd.h> | |
13 | #include <stdlib.h> | |
14 | #include <ctype.h> | |
15 | #include <string.h> | |
16 | #include <time.h> | |
50e1e10f | 17 | #ifdef HAVE_GETOPT_H |
3839e657 | 18 | #include <getopt.h> |
50e1e10f TT |
19 | #else |
20 | extern int optind; | |
21 | extern char *optarg; | |
22 | #endif | |
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(); | |
fc6d9d51 TT |
284 | sb = (struct ext2fs_sb *) current_fs->super; |
285 | fprintf(out, "Filesystem is read-%s\n", | |
286 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
287 | if (sb->s_volume_name[0]) { | |
288 | memset(buf, 0, sizeof(buf)); | |
289 | strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name)); | |
290 | } else | |
291 | strcpy(buf, none); | |
292 | fprintf(out, "Volume name = %s\n", buf); | |
293 | if (sb->s_last_mounted[0]) { | |
294 | memset(buf, 0, sizeof(buf)); | |
295 | strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted)); | |
296 | } else | |
297 | strcpy(buf, none); | |
298 | fprintf(out, "Last mounted directory = %s\n", buf); | |
299 | if (!uuid_is_null(sb->s_uuid)) | |
300 | uuid_unparse(sb->s_uuid, buf); | |
301 | else | |
302 | strcpy(buf, none); | |
303 | fprintf(out, "Filesystem UUID = %s\n", buf); | |
d3aea7dc | 304 | print_features(sb, out); |
fc6d9d51 TT |
305 | fprintf(out, "Last mount time = %s", time_to_string(sb->s_mtime)); |
306 | fprintf(out, "Last write time = %s", time_to_string(sb->s_wtime)); | |
3839e657 | 307 | fprintf(out, "Mount counts = %d (maximal = %d)\n", |
fc6d9d51 TT |
308 | sb->s_mnt_count, sb->s_max_mnt_count); |
309 | fputs ("Filesystem OS type = ", out); | |
310 | switch (sb->s_creator_os) { | |
311 | case EXT2_OS_LINUX: fputs ("Linux\n", out); break; | |
312 | case EXT2_OS_HURD: fputs ("GNU\n", out); break; | |
313 | case EXT2_OS_MASIX: fputs ("Masix\n", out); break; | |
314 | default: fputs ("unknown\n", out); | |
315 | } | |
316 | fprintf(out, "Superblock size = %d\n", | |
317 | sizeof(struct ext2_super_block)); | |
3839e657 | 318 | fprintf(out, "Block size = %d, fragment size = %d\n", |
fc6d9d51 TT |
319 | EXT2_BLOCK_SIZE(sb), EXT2_FRAG_SIZE(sb)); |
320 | fprintf(out, "Inode size = %d\n", EXT2_INODE_SIZE(sb)); | |
321 | fprintf(out, "%d inodes, %d free\n", sb->s_inodes_count, | |
322 | sb->s_free_inodes_count); | |
50e1e10f | 323 | fprintf(out, "%d blocks, %d free, %d reserved, first block = %d\n", |
fc6d9d51 TT |
324 | sb->s_blocks_count, sb->s_free_blocks_count, |
325 | sb->s_r_blocks_count, sb->s_first_data_block); | |
326 | fprintf(out, "%d blocks per group\n", sb->s_blocks_per_group); | |
327 | fprintf(out, "%d fragments per group\n", sb->s_frags_per_group); | |
328 | fprintf(out, "%d inodes per group\n", EXT2_INODES_PER_GROUP(sb)); | |
3839e657 | 329 | fprintf(out, "%ld group%s (%ld descriptors block%s)\n", |
fc6d9d51 TT |
330 | current_fs->group_desc_count, |
331 | (current_fs->group_desc_count != 1) ? "s" : "", | |
332 | current_fs->desc_blocks, | |
333 | (current_fs->desc_blocks != 1) ? "s" : ""); | |
d3aea7dc TT |
334 | |
335 | if (header_only) { | |
336 | close_pager(out); | |
337 | return; | |
338 | } | |
fc6d9d51 TT |
339 | |
340 | gdp = ¤t_fs->group_desc[0]; | |
341 | for (i = 0; i < current_fs->group_desc_count; i++, gdp++) | |
50e1e10f TT |
342 | fprintf(out, " Group %2d: block bitmap at %d, " |
343 | "inode bitmap at %d, " | |
344 | "inode table at %d\n" | |
3839e657 TT |
345 | " %d free block%s, " |
346 | "%d free inode%s, " | |
347 | "%d used director%s\n", | |
fc6d9d51 TT |
348 | i, gdp->bg_block_bitmap, |
349 | gdp->bg_inode_bitmap, gdp->bg_inode_table, | |
350 | gdp->bg_free_blocks_count, | |
351 | gdp->bg_free_blocks_count != 1 ? "s" : "", | |
352 | gdp->bg_free_inodes_count, | |
353 | gdp->bg_free_inodes_count != 1 ? "s" : "", | |
354 | gdp->bg_used_dirs_count, | |
355 | gdp->bg_used_dirs_count != 1 ? "ies" : "y"); | |
3839e657 TT |
356 | close_pager(out); |
357 | } | |
358 | ||
4a31c48b | 359 | void do_dirty_filesys(int argc, char **argv) |
21c84b71 TT |
360 | { |
361 | if (check_fs_open(argv[0])) | |
362 | return; | |
601002bd TT |
363 | if (check_fs_read_write(argv[0])) |
364 | return; | |
365 | ||
366 | if (argv[1] && !strcmp(argv[1], "-clean")) | |
367 | current_fs->super->s_state |= EXT2_VALID_FS; | |
368 | else | |
369 | current_fs->super->s_state &= ~EXT2_VALID_FS; | |
21c84b71 TT |
370 | ext2fs_mark_super_dirty(current_fs); |
371 | } | |
372 | ||
3839e657 TT |
373 | struct list_blocks_struct { |
374 | FILE *f; | |
375 | int total; | |
376 | }; | |
377 | ||
50e1e10f TT |
378 | static int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, |
379 | void *private) | |
3839e657 TT |
380 | { |
381 | struct list_blocks_struct *lb = (struct list_blocks_struct *) private; | |
382 | ||
a5eef73b TT |
383 | if (blockcnt == -1) |
384 | fprintf(lb->f, "(IND):%d ", *blocknr); | |
385 | else if (blockcnt == -2) | |
386 | fprintf(lb->f, "(DIND):%d ", *blocknr); | |
387 | else if (blockcnt == -3) | |
388 | fprintf(lb->f, "(TIND):%d ", *blocknr); | |
389 | else | |
390 | fprintf(lb->f, "(%d):%d ", blockcnt, *blocknr); | |
391 | if (*blocknr) | |
392 | lb->total++; | |
3839e657 TT |
393 | return 0; |
394 | } | |
395 | ||
396 | ||
50e1e10f | 397 | static void dump_blocks(FILE *f, ino_t inode) |
3839e657 TT |
398 | { |
399 | struct list_blocks_struct lb; | |
400 | ||
401 | fprintf(f, "BLOCKS:\n"); | |
402 | lb.total = 0; | |
403 | lb.f = f; | |
fc6d9d51 TT |
404 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
405 | list_blocks_proc, (void *)&lb); | |
3839e657 TT |
406 | if (lb.total) |
407 | fprintf(f, "\nTOTAL: %d\n", lb.total); | |
408 | fprintf(f,"\n"); | |
409 | } | |
410 | ||
411 | ||
50e1e10f | 412 | static void dump_inode(ino_t inode_num, struct ext2_inode inode) |
3839e657 | 413 | { |
50e1e10f | 414 | const char *i_type; |
3839e657 | 415 | FILE *out; |
fc6d9d51 TT |
416 | char frag, fsize; |
417 | int os = current_fs->super->s_creator_os; | |
3839e657 TT |
418 | |
419 | out = open_pager(); | |
50e1e10f TT |
420 | if (LINUX_S_ISDIR(inode.i_mode)) i_type = "directory"; |
421 | else if (LINUX_S_ISREG(inode.i_mode)) i_type = "regular"; | |
422 | else if (LINUX_S_ISLNK(inode.i_mode)) i_type = "symlink"; | |
423 | else if (LINUX_S_ISBLK(inode.i_mode)) i_type = "block special"; | |
424 | else if (LINUX_S_ISCHR(inode.i_mode)) i_type = "character special"; | |
425 | else if (LINUX_S_ISFIFO(inode.i_mode)) i_type = "FIFO"; | |
426 | else if (LINUX_S_ISSOCK(inode.i_mode)) i_type = "socket"; | |
3839e657 TT |
427 | else i_type = "bad type"; |
428 | fprintf(out, "Inode: %ld Type: %s ", inode_num, i_type); | |
14197170 | 429 | fprintf(out, "Mode: %04o Flags: 0x%x Generation: %u\n", |
b41d360b | 430 | inode.i_mode & 0777, inode.i_flags, inode.i_generation); |
36a43d67 TT |
431 | fprintf(out, "User: %5d Group: %5d Size: ", |
432 | inode.i_uid, inode.i_gid); | |
433 | if (LINUX_S_ISDIR(inode.i_mode)) | |
434 | fprintf(out, "%d\n", inode.i_size); | |
435 | else { | |
436 | __u64 i_size = (inode.i_size | | |
437 | ((unsigned long long)inode.i_size_high << 32)); | |
438 | ||
439 | fprintf(out, "%lld\n", i_size); | |
440 | } | |
fc6d9d51 | 441 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
442 | fprintf(out, |
443 | "File ACL: %d Directory ACL: %d Translator: %d\n", | |
36a43d67 | 444 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0, |
62c06f79 TT |
445 | inode.osd1.hurd1.h_i_translator); |
446 | else | |
447 | fprintf(out, "File ACL: %d Directory ACL: %d\n", | |
36a43d67 | 448 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0); |
50e1e10f | 449 | fprintf(out, "Links: %d Blockcount: %d\n", inode.i_links_count, |
3839e657 | 450 | inode.i_blocks); |
fc6d9d51 TT |
451 | switch (os) { |
452 | case EXT2_OS_LINUX: | |
453 | frag = inode.osd2.linux2.l_i_frag; | |
454 | fsize = inode.osd2.linux2.l_i_fsize; | |
455 | break; | |
456 | case EXT2_OS_HURD: | |
457 | frag = inode.osd2.hurd2.h_i_frag; | |
458 | fsize = inode.osd2.hurd2.h_i_fsize; | |
459 | break; | |
460 | case EXT2_OS_MASIX: | |
461 | frag = inode.osd2.masix2.m_i_frag; | |
462 | fsize = inode.osd2.masix2.m_i_fsize; | |
463 | break; | |
464 | default: | |
465 | frag = fsize = 0; | |
466 | } | |
50e1e10f | 467 | fprintf(out, "Fragment: Address: %d Number: %d Size: %d\n", |
fc6d9d51 | 468 | inode.i_faddr, frag, fsize); |
50e1e10f | 469 | fprintf(out, "ctime: 0x%08x -- %s", inode.i_ctime, |
fc6d9d51 | 470 | time_to_string(inode.i_ctime)); |
50e1e10f | 471 | fprintf(out, "atime: 0x%08x -- %s", inode.i_atime, |
fc6d9d51 | 472 | time_to_string(inode.i_atime)); |
50e1e10f | 473 | fprintf(out, "mtime: 0x%08x -- %s", inode.i_mtime, |
fc6d9d51 | 474 | time_to_string(inode.i_mtime)); |
3839e657 | 475 | if (inode.i_dtime) |
50e1e10f | 476 | fprintf(out, "dtime: 0x%08x -- %s", inode.i_dtime, |
fc6d9d51 | 477 | time_to_string(inode.i_dtime)); |
50e1e10f | 478 | if (LINUX_S_ISLNK(inode.i_mode) && inode.i_blocks == 0) |
3839e657 TT |
479 | fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block); |
480 | else | |
481 | dump_blocks(out, inode_num); | |
482 | close_pager(out); | |
483 | } | |
484 | ||
485 | ||
486 | void do_stat(int argc, char *argv[]) | |
487 | { | |
488 | ino_t inode; | |
489 | struct ext2_inode inode_buf; | |
490 | int retval; | |
491 | ||
492 | if (argc != 2) { | |
493 | com_err(argv[0], 0, "Usage: stat <file>"); | |
494 | return; | |
495 | } | |
496 | if (check_fs_open(argv[0])) | |
497 | return; | |
498 | inode = string_to_inode(argv[1]); | |
499 | if (!inode) | |
500 | return; | |
501 | ||
fc6d9d51 | 502 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
503 | if (retval) |
504 | { | |
91d6d486 | 505 | com_err(argv[0], retval, "while trying to read inode %d", inode); |
3839e657 TT |
506 | return; |
507 | } | |
508 | ||
509 | dump_inode(inode,inode_buf); | |
510 | return; | |
511 | } | |
512 | ||
513 | void do_chroot(int argc, char *argv[]) | |
514 | { | |
515 | ino_t inode; | |
516 | int retval; | |
517 | ||
518 | if (argc != 2) { | |
519 | com_err(argv[0], 0, "Usage: chroot <file>"); | |
520 | return; | |
521 | } | |
522 | if (check_fs_open(argv[0])) | |
523 | return; | |
524 | inode = string_to_inode(argv[1]); | |
525 | if (!inode) | |
526 | return; | |
527 | ||
fc6d9d51 | 528 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
529 | if (retval) { |
530 | com_err(argv[1], retval, ""); | |
531 | return; | |
532 | } | |
533 | root = inode; | |
534 | } | |
535 | ||
536 | void do_clri(int argc, char *argv[]) | |
537 | { | |
538 | ino_t inode; | |
539 | int retval; | |
540 | struct ext2_inode inode_buf; | |
541 | ||
542 | if (argc != 2) { | |
543 | com_err(argv[0], 0, "Usage: clri <file>"); | |
544 | return; | |
545 | } | |
546 | if (check_fs_open(argv[0])) | |
547 | return; | |
fc6d9d51 | 548 | if (check_fs_read_write(argv[0])) |
3839e657 | 549 | return; |
3839e657 TT |
550 | inode = string_to_inode(argv[1]); |
551 | if (!inode) | |
552 | return; | |
553 | ||
fc6d9d51 | 554 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 555 | if (retval) { |
91d6d486 TT |
556 | com_err(argv[0], retval, "while trying to read inode %d", |
557 | inode); | |
3839e657 TT |
558 | return; |
559 | } | |
560 | memset(&inode_buf, 0, sizeof(inode_buf)); | |
fc6d9d51 | 561 | retval = ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
562 | if (retval) { |
563 | com_err(argv[0], retval, "while trying to write inode %d", | |
564 | inode); | |
565 | return; | |
566 | } | |
567 | } | |
568 | ||
569 | void do_freei(int argc, char *argv[]) | |
570 | { | |
571 | ino_t inode; | |
572 | ||
573 | if (argc != 2) { | |
574 | com_err(argv[0], 0, "Usage: freei <file>"); | |
575 | return; | |
576 | } | |
577 | if (check_fs_open(argv[0])) | |
578 | return; | |
fc6d9d51 | 579 | if (check_fs_read_write(argv[0])) |
3839e657 | 580 | return; |
3839e657 TT |
581 | inode = string_to_inode(argv[1]); |
582 | if (!inode) | |
583 | return; | |
584 | ||
fc6d9d51 | 585 | if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 586 | com_err(argv[0], 0, "Warning: inode already clear"); |
fc6d9d51 TT |
587 | ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode); |
588 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
589 | } |
590 | ||
591 | void do_seti(int argc, char *argv[]) | |
592 | { | |
593 | ino_t inode; | |
594 | ||
595 | if (argc != 2) { | |
596 | com_err(argv[0], 0, "Usage: seti <file>"); | |
597 | return; | |
598 | } | |
599 | if (check_fs_open(argv[0])) | |
600 | return; | |
fc6d9d51 | 601 | if (check_fs_read_write(argv[0])) |
3839e657 | 602 | return; |
3839e657 TT |
603 | inode = string_to_inode(argv[1]); |
604 | if (!inode) | |
605 | return; | |
606 | ||
fc6d9d51 | 607 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 608 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
609 | ext2fs_mark_inode_bitmap(current_fs->inode_map,inode); |
610 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
611 | } |
612 | ||
613 | void do_testi(int argc, char *argv[]) | |
614 | { | |
615 | ino_t inode; | |
616 | ||
617 | if (argc != 2) { | |
618 | com_err(argv[0], 0, "Usage: testi <file>"); | |
619 | return; | |
620 | } | |
621 | if (check_fs_open(argv[0])) | |
622 | return; | |
d61f6176 TT |
623 | if (check_fs_bitmaps(argv[0])) |
624 | return; | |
3839e657 TT |
625 | inode = string_to_inode(argv[1]); |
626 | if (!inode) | |
627 | return; | |
628 | ||
fc6d9d51 | 629 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 TT |
630 | printf("Inode %ld is marked in use\n", inode); |
631 | else | |
632 | printf("Inode %ld is not in use\n", inode); | |
633 | } | |
634 | ||
635 | ||
636 | void do_freeb(int argc, char *argv[]) | |
637 | { | |
638 | blk_t block; | |
639 | char *tmp; | |
640 | ||
641 | if (argc != 2) { | |
642 | com_err(argv[0], 0, "Usage: freeb <block>"); | |
643 | return; | |
644 | } | |
645 | if (check_fs_open(argv[0])) | |
646 | return; | |
fc6d9d51 | 647 | if (check_fs_read_write(argv[0])) |
3839e657 | 648 | return; |
3839e657 TT |
649 | block = strtoul(argv[1], &tmp, 0); |
650 | if (!block || *tmp) { | |
651 | com_err(argv[0], 0, "No block 0"); | |
652 | return; | |
653 | } | |
fc6d9d51 | 654 | if (!ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 655 | com_err(argv[0], 0, "Warning: block already clear"); |
fc6d9d51 TT |
656 | ext2fs_unmark_block_bitmap(current_fs->block_map,block); |
657 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
658 | } |
659 | ||
660 | void do_setb(int argc, char *argv[]) | |
661 | { | |
662 | blk_t block; | |
663 | char *tmp; | |
664 | ||
665 | if (argc != 2) { | |
666 | com_err(argv[0], 0, "Usage: setb <block>"); | |
667 | return; | |
668 | } | |
669 | if (check_fs_open(argv[0])) | |
670 | return; | |
fc6d9d51 | 671 | if (check_fs_read_write(argv[0])) |
3839e657 | 672 | return; |
3839e657 TT |
673 | block = strtoul(argv[1], &tmp, 0); |
674 | if (!block || *tmp) { | |
675 | com_err(argv[0], 0, "No block 0"); | |
676 | return; | |
677 | } | |
fc6d9d51 | 678 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 679 | com_err(argv[0], 0, "Warning: block already set"); |
fc6d9d51 TT |
680 | ext2fs_mark_block_bitmap(current_fs->block_map,block); |
681 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
682 | } |
683 | ||
684 | void do_testb(int argc, char *argv[]) | |
685 | { | |
686 | blk_t block; | |
687 | char *tmp; | |
688 | ||
689 | if (argc != 2) { | |
690 | com_err(argv[0], 0, "Usage: testb <block>"); | |
691 | return; | |
692 | } | |
693 | if (check_fs_open(argv[0])) | |
694 | return; | |
d61f6176 TT |
695 | if (check_fs_bitmaps(argv[0])) |
696 | return; | |
3839e657 TT |
697 | block = strtoul(argv[1], &tmp, 0); |
698 | if (!block || *tmp) { | |
699 | com_err(argv[0], 0, "No block 0"); | |
700 | return; | |
701 | } | |
fc6d9d51 | 702 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
50e1e10f TT |
703 | printf("Block %d marked in use\n", block); |
704 | else printf("Block %d not in use\n", block); | |
3839e657 TT |
705 | } |
706 | ||
50e1e10f TT |
707 | static void modify_u8(char *com, const char *prompt, |
708 | const char *format, __u8 *val) | |
3839e657 TT |
709 | { |
710 | char buf[200]; | |
21c84b71 | 711 | unsigned long v; |
3839e657 TT |
712 | char *tmp; |
713 | ||
714 | sprintf(buf, format, *val); | |
715 | printf("%30s [%s] ", prompt, buf); | |
716 | fgets(buf, sizeof(buf), stdin); | |
717 | if (buf[strlen (buf) - 1] == '\n') | |
718 | buf[strlen (buf) - 1] = '\0'; | |
719 | if (!buf[0]) | |
720 | return; | |
21c84b71 | 721 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
722 | if (*tmp) |
723 | com_err(com, 0, "Bad value - %s", buf); | |
724 | else | |
725 | *val = v; | |
726 | } | |
727 | ||
50e1e10f TT |
728 | static void modify_u16(char *com, const char *prompt, |
729 | const char *format, __u16 *val) | |
3839e657 TT |
730 | { |
731 | char buf[200]; | |
21c84b71 | 732 | unsigned long v; |
3839e657 TT |
733 | char *tmp; |
734 | ||
735 | sprintf(buf, format, *val); | |
736 | printf("%30s [%s] ", prompt, buf); | |
737 | fgets(buf, sizeof(buf), stdin); | |
738 | if (buf[strlen (buf) - 1] == '\n') | |
739 | buf[strlen (buf) - 1] = '\0'; | |
740 | if (!buf[0]) | |
741 | return; | |
21c84b71 | 742 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
743 | if (*tmp) |
744 | com_err(com, 0, "Bad value - %s", buf); | |
745 | else | |
746 | *val = v; | |
747 | } | |
748 | ||
50e1e10f TT |
749 | static void modify_u32(char *com, const char *prompt, |
750 | const char *format, __u32 *val) | |
3839e657 TT |
751 | { |
752 | char buf[200]; | |
21c84b71 | 753 | unsigned long v; |
3839e657 TT |
754 | char *tmp; |
755 | ||
756 | sprintf(buf, format, *val); | |
757 | printf("%30s [%s] ", prompt, buf); | |
758 | fgets(buf, sizeof(buf), stdin); | |
759 | if (buf[strlen (buf) - 1] == '\n') | |
760 | buf[strlen (buf) - 1] = '\0'; | |
761 | if (!buf[0]) | |
762 | return; | |
21c84b71 | 763 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
764 | if (*tmp) |
765 | com_err(com, 0, "Bad value - %s", buf); | |
766 | else | |
767 | *val = v; | |
768 | } | |
769 | ||
770 | ||
771 | void do_modify_inode(int argc, char *argv[]) | |
772 | { | |
773 | struct ext2_inode inode; | |
774 | ino_t inode_num; | |
775 | int i; | |
776 | errcode_t retval; | |
fc6d9d51 | 777 | unsigned char *frag, *fsize; |
3839e657 | 778 | char buf[80]; |
fc6d9d51 | 779 | int os = current_fs->super->s_creator_os; |
50e1e10f TT |
780 | const char *hex_format = "0x%x"; |
781 | const char *octal_format = "0%o"; | |
782 | const char *decimal_format = "%d"; | |
3839e657 TT |
783 | |
784 | if (argc != 2) { | |
785 | com_err(argv[0], 0, "Usage: modify_inode <file>"); | |
786 | return; | |
787 | } | |
788 | if (check_fs_open(argv[0])) | |
789 | return; | |
fc6d9d51 | 790 | if (check_fs_read_write(argv[0])) |
3839e657 | 791 | return; |
3839e657 TT |
792 | |
793 | inode_num = string_to_inode(argv[1]); | |
794 | if (!inode_num) | |
795 | return; | |
796 | ||
fc6d9d51 | 797 | retval = ext2fs_read_inode(current_fs, inode_num, &inode); |
3839e657 TT |
798 | if (retval) { |
799 | com_err(argv[1], retval, "while trying to read inode %d", | |
800 | inode_num); | |
801 | return; | |
802 | } | |
803 | ||
50e1e10f TT |
804 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); |
805 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
806 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
807 | modify_u32(argv[0], "Size", decimal_format, &inode.i_size); | |
808 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); | |
809 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
810 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
811 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
812 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
813 | modify_u32(argv[0], "Block count", decimal_format, &inode.i_blocks); | |
814 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); | |
815 | #if 0 | |
816 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
817 | #endif | |
818 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
36a43d67 TT |
819 | if (LINUX_S_ISDIR(inode.i_mode)) |
820 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
821 | else | |
822 | modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high); | |
62c06f79 | 823 | |
fc6d9d51 | 824 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
825 | modify_u32(argv[0], "Translator Block", |
826 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
827 | ||
50e1e10f | 828 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); |
fc6d9d51 TT |
829 | switch (os) { |
830 | case EXT2_OS_LINUX: | |
831 | frag = &inode.osd2.linux2.l_i_frag; | |
832 | fsize = &inode.osd2.linux2.l_i_fsize; | |
833 | break; | |
834 | case EXT2_OS_HURD: | |
835 | frag = &inode.osd2.hurd2.h_i_frag; | |
836 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
837 | break; | |
838 | case EXT2_OS_MASIX: | |
839 | frag = &inode.osd2.masix2.m_i_frag; | |
840 | fsize = &inode.osd2.masix2.m_i_fsize; | |
841 | break; | |
842 | default: | |
843 | frag = fsize = 0; | |
844 | } | |
845 | if (frag) | |
846 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
847 | if (fsize) | |
848 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
849 | ||
3839e657 TT |
850 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { |
851 | sprintf(buf, "Direct Block #%d", i); | |
50e1e10f | 852 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); |
3839e657 | 853 | } |
50e1e10f | 854 | modify_u32(argv[0], "Indirect Block", decimal_format, |
3839e657 | 855 | &inode.i_block[EXT2_IND_BLOCK]); |
50e1e10f | 856 | modify_u32(argv[0], "Double Indirect Block", decimal_format, |
3839e657 | 857 | &inode.i_block[EXT2_DIND_BLOCK]); |
50e1e10f | 858 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, |
3839e657 | 859 | &inode.i_block[EXT2_TIND_BLOCK]); |
fc6d9d51 | 860 | retval = ext2fs_write_inode(current_fs, inode_num, &inode); |
3839e657 TT |
861 | if (retval) { |
862 | com_err(argv[1], retval, "while trying to write inode %d", | |
863 | inode_num); | |
864 | return; | |
865 | } | |
866 | } | |
867 | ||
3839e657 TT |
868 | void do_change_working_dir(int argc, char *argv[]) |
869 | { | |
870 | ino_t inode; | |
871 | int retval; | |
872 | ||
873 | if (argc != 2) { | |
874 | com_err(argv[0], 0, "Usage: cd <file>"); | |
875 | return; | |
876 | } | |
877 | if (check_fs_open(argv[0])) | |
878 | return; | |
879 | ||
880 | inode = string_to_inode(argv[1]); | |
881 | if (!inode) | |
882 | return; | |
883 | ||
fc6d9d51 | 884 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
885 | if (retval) { |
886 | com_err(argv[1], retval, ""); | |
887 | return; | |
888 | } | |
889 | cwd = inode; | |
890 | return; | |
891 | } | |
892 | ||
3839e657 TT |
893 | void do_print_working_directory(int argc, char *argv[]) |
894 | { | |
895 | int retval; | |
896 | char *pathname = NULL; | |
897 | ||
898 | if (argc > 1) { | |
899 | com_err(argv[0], 0, "Usage: print_working_directory"); | |
900 | return; | |
901 | } | |
902 | if (check_fs_open(argv[0])) | |
903 | return; | |
904 | ||
fc6d9d51 | 905 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); |
3839e657 TT |
906 | if (retval) { |
907 | com_err(argv[0], retval, | |
908 | "while trying to get pathname of cwd"); | |
909 | } | |
910 | printf("[pwd] INODE: %6ld PATH: %s\n", cwd, pathname); | |
911 | free(pathname); | |
fc6d9d51 | 912 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); |
3839e657 TT |
913 | if (retval) { |
914 | com_err(argv[0], retval, | |
915 | "while trying to get pathname of root"); | |
916 | } | |
917 | printf("[root] INODE: %6ld PATH: %s\n", root, pathname); | |
918 | free(pathname); | |
919 | return; | |
920 | } | |
921 | ||
50e1e10f | 922 | static void make_link(char *sourcename, char *destname) |
3839e657 TT |
923 | { |
924 | ino_t inode; | |
925 | int retval; | |
926 | ino_t dir; | |
927 | char *dest, *cp, *basename; | |
928 | ||
929 | /* | |
930 | * Get the source inode | |
931 | */ | |
932 | inode = string_to_inode(sourcename); | |
933 | if (!inode) | |
934 | return; | |
935 | basename = strrchr(sourcename, '/'); | |
936 | if (basename) | |
937 | basename++; | |
938 | else | |
939 | basename = sourcename; | |
940 | /* | |
941 | * Figure out the destination. First see if it exists and is | |
942 | * a directory. | |
943 | */ | |
fc6d9d51 | 944 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) |
3839e657 TT |
945 | dest = basename; |
946 | else { | |
947 | /* | |
948 | * OK, it doesn't exist. See if it is | |
949 | * '<dir>/basename' or 'basename' | |
950 | */ | |
951 | cp = strrchr(destname, '/'); | |
952 | if (cp) { | |
953 | *cp = 0; | |
954 | dir = string_to_inode(destname); | |
955 | if (!dir) | |
956 | return; | |
957 | dest = cp+1; | |
958 | } else { | |
959 | dir = cwd; | |
960 | dest = destname; | |
961 | } | |
962 | } | |
963 | ||
fc6d9d51 | 964 | retval = ext2fs_link(current_fs, dir, dest, inode, 0); |
3839e657 TT |
965 | if (retval) |
966 | com_err("make_link", retval, ""); | |
967 | return; | |
968 | } | |
969 | ||
970 | ||
971 | void do_link(int argc, char *argv[]) | |
972 | { | |
973 | if (argc != 3) { | |
974 | com_err(argv[0], 0, "Usage: link <source_file> <dest_name>"); | |
975 | return; | |
976 | } | |
977 | if (check_fs_open(argv[0])) | |
978 | return; | |
979 | ||
980 | make_link(argv[1], argv[2]); | |
981 | } | |
982 | ||
50e1e10f | 983 | static void unlink_file_by_name(char *filename) |
3839e657 TT |
984 | { |
985 | int retval; | |
986 | ino_t dir; | |
987 | char *basename; | |
988 | ||
989 | basename = strrchr(filename, '/'); | |
990 | if (basename) { | |
fc6d9d51 | 991 | *basename++ = '\0'; |
3839e657 TT |
992 | dir = string_to_inode(filename); |
993 | if (!dir) | |
994 | return; | |
995 | } else { | |
996 | dir = cwd; | |
997 | basename = filename; | |
998 | } | |
fc6d9d51 | 999 | retval = ext2fs_unlink(current_fs, dir, basename, 0, 0); |
3839e657 TT |
1000 | if (retval) |
1001 | com_err("unlink_file_by_name", retval, ""); | |
1002 | return; | |
1003 | } | |
1004 | ||
1005 | void do_unlink(int argc, char *argv[]) | |
1006 | { | |
1007 | if (argc != 2) { | |
1008 | com_err(argv[0], 0, "Usage: unlink <pathname>"); | |
1009 | return; | |
1010 | } | |
1011 | if (check_fs_open(argv[0])) | |
1012 | return; | |
1013 | ||
1014 | unlink_file_by_name(argv[1]); | |
1015 | } | |
1016 | ||
1017 | void do_find_free_block(int argc, char *argv[]) | |
1018 | { | |
1019 | blk_t free_blk, goal; | |
1020 | errcode_t retval; | |
1021 | char *tmp; | |
1022 | ||
50e1e10f TT |
1023 | if ((argc > 2) || (argc==2 && *argv[1] == '?')) { |
1024 | com_err(argv[0], 0, "Usage: find_free_block [goal]"); | |
3839e657 TT |
1025 | return; |
1026 | } | |
1027 | if (check_fs_open(argv[0])) | |
1028 | return; | |
1029 | ||
1030 | if (argc > 1) { | |
1031 | goal = strtol(argv[1], &tmp, 0); | |
1032 | if (*tmp) { | |
1033 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
1034 | return; | |
1035 | } | |
1036 | } | |
1037 | else | |
fc6d9d51 | 1038 | goal = current_fs->super->s_first_data_block; |
3839e657 | 1039 | |
fc6d9d51 | 1040 | retval = ext2fs_new_block(current_fs, goal, 0, &free_blk); |
3839e657 TT |
1041 | if (retval) |
1042 | com_err("ext2fs_new_block", retval, ""); | |
1043 | else | |
50e1e10f | 1044 | printf("Free block found: %d\n", free_blk); |
3839e657 TT |
1045 | |
1046 | } | |
1047 | ||
1048 | void do_find_free_inode(int argc, char *argv[]) | |
1049 | { | |
1050 | ino_t free_inode, dir; | |
1051 | int mode; | |
1052 | int retval; | |
1053 | char *tmp; | |
1054 | ||
50e1e10f TT |
1055 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { |
1056 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
3839e657 TT |
1057 | return; |
1058 | } | |
1059 | if (check_fs_open(argv[0])) | |
1060 | return; | |
1061 | ||
1062 | if (argc > 1) { | |
1063 | dir = strtol(argv[1], &tmp, 0); | |
1064 | if (*tmp) { | |
1065 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
1066 | return; | |
1067 | } | |
1068 | } | |
1069 | else | |
1070 | dir = root; | |
1071 | if (argc > 2) { | |
1072 | mode = strtol(argv[2], &tmp, 0); | |
1073 | if (*tmp) { | |
1074 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
1075 | return; | |
1076 | } | |
50e1e10f | 1077 | } else |
3839e657 TT |
1078 | mode = 010755; |
1079 | ||
fc6d9d51 | 1080 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); |
3839e657 TT |
1081 | if (retval) |
1082 | com_err("ext2fs_new_inode", retval, ""); | |
1083 | else | |
1084 | printf("Free inode found: %ld\n", free_inode); | |
1085 | } | |
1086 | ||
50e1e10f TT |
1087 | static errcode_t copy_file(int fd, ino_t newfile) |
1088 | { | |
5a51384e | 1089 | ext2_file_t e2_file; |
50e1e10f | 1090 | errcode_t retval; |
4a31c48b | 1091 | unsigned int got, written; |
5a51384e TT |
1092 | char buf[8192]; |
1093 | char *ptr; | |
50e1e10f | 1094 | |
5a51384e TT |
1095 | retval = ext2fs_file_open(current_fs, newfile, |
1096 | EXT2_FILE_WRITE, &e2_file); | |
50e1e10f TT |
1097 | if (retval) |
1098 | return retval; | |
50e1e10f | 1099 | |
5a51384e TT |
1100 | while (1) { |
1101 | got = read(fd, buf, sizeof(buf)); | |
1102 | if (got == 0) | |
1103 | break; | |
1104 | if (got < 0) { | |
1105 | retval = errno; | |
1106 | goto fail; | |
1107 | } | |
1108 | ptr = buf; | |
1109 | while (got > 0) { | |
1110 | retval = ext2fs_file_write(e2_file, ptr, | |
1111 | got, &written); | |
1112 | if (retval) | |
1113 | goto fail; | |
1114 | ||
1115 | got -= written; | |
1116 | ptr += written; | |
1117 | } | |
1118 | } | |
1119 | retval = ext2fs_file_close(e2_file); | |
50e1e10f | 1120 | |
5a51384e TT |
1121 | return retval; |
1122 | ||
1123 | fail: | |
1124 | (void) ext2fs_file_close(e2_file); | |
1125 | return retval; | |
50e1e10f TT |
1126 | } |
1127 | ||
5a51384e | 1128 | |
50e1e10f TT |
1129 | void do_write(int argc, char *argv[]) |
1130 | { | |
1131 | int fd; | |
1132 | struct stat statbuf; | |
1133 | ino_t newfile; | |
1134 | errcode_t retval; | |
1135 | struct ext2_inode inode; | |
5a51384e | 1136 | dgrp_t group; |
50e1e10f TT |
1137 | |
1138 | if (check_fs_open(argv[0])) | |
1139 | return; | |
1140 | if (argc != 3) { | |
1141 | com_err(argv[0], 0, "Usage: write <nativefile> <newfile>"); | |
1142 | return; | |
1143 | } | |
fc6d9d51 | 1144 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1145 | return; |
50e1e10f TT |
1146 | fd = open(argv[1], O_RDONLY); |
1147 | if (fd < 0) { | |
1148 | com_err(argv[1], fd, ""); | |
1149 | return; | |
1150 | } | |
1151 | if (fstat(fd, &statbuf) < 0) { | |
1152 | com_err(argv[1], errno, ""); | |
1153 | close(fd); | |
1154 | return; | |
1155 | } | |
1156 | ||
fc6d9d51 | 1157 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1158 | if (retval) { |
1159 | com_err(argv[0], retval, ""); | |
1160 | close(fd); | |
1161 | return; | |
1162 | } | |
5a51384e TT |
1163 | group = ext2fs_group_of_ino(current_fs, newfile); |
1164 | current_fs->group_desc[group].bg_free_inodes_count--; | |
1165 | current_fs->super->s_free_inodes_count--; | |
1166 | ext2fs_mark_super_dirty(current_fs); | |
50e1e10f | 1167 | printf("Allocated inode: %ld\n", newfile); |
fc6d9d51 | 1168 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, 0); |
50e1e10f TT |
1169 | if (retval) { |
1170 | com_err(argv[2], retval, ""); | |
1171 | close(fd); | |
1172 | return; | |
1173 | } | |
fc6d9d51 | 1174 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1175 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1176 | ext2fs_mark_inode_bitmap(current_fs->inode_map,newfile); |
1177 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1178 | memset(&inode, 0, sizeof(inode)); |
1179 | inode.i_mode = statbuf.st_mode; | |
1180 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1181 | inode.i_links_count = 1; | |
1182 | inode.i_size = statbuf.st_size; | |
fc6d9d51 TT |
1183 | ext2fs_write_inode(current_fs, newfile, &inode); |
1184 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f | 1185 | if (retval) { |
fc6d9d51 TT |
1186 | com_err(argv[0], retval, "while trying to write inode %d", |
1187 | inode); | |
50e1e10f TT |
1188 | close(fd); |
1189 | return; | |
1190 | } | |
1191 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1192 | retval = copy_file(fd, newfile); | |
1193 | if (retval) | |
1194 | com_err("copy_file", retval, ""); | |
1195 | } | |
1196 | close(fd); | |
1197 | } | |
1198 | ||
1199 | void do_mknod(int argc, char *argv[]) | |
1200 | { | |
1201 | unsigned long mode, major, minor, nr; | |
1202 | ino_t newfile; | |
1203 | errcode_t retval; | |
1204 | struct ext2_inode inode; | |
1205 | ||
1206 | if (check_fs_open(argv[0])) | |
1207 | return; | |
1208 | if (argc < 3 || argv[2][1]) { | |
1209 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1210 | return; | |
1211 | } | |
1212 | mode = minor = major = 0; | |
1213 | switch (argv[2][0]) { | |
1214 | case 'p': | |
1215 | mode = LINUX_S_IFIFO; | |
1216 | nr = 3; | |
1217 | break; | |
1218 | case 'c': | |
1219 | mode = LINUX_S_IFCHR; | |
1220 | nr = 5; | |
1221 | break; | |
1222 | case 'b': | |
1223 | mode = LINUX_S_IFBLK; | |
1224 | nr = 5; | |
1225 | break; | |
1226 | default: | |
1227 | nr = 0; | |
1228 | } | |
1229 | if (nr == 5) { | |
1230 | major = strtoul(argv[3], argv+3, 0); | |
1231 | minor = strtoul(argv[4], argv+4, 0); | |
1232 | if (major > 255 || minor > 255 || argv[3][0] || argv[4][0]) | |
1233 | nr = 0; | |
1234 | } | |
1235 | if (argc != nr) { | |
1236 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1237 | return; | |
1238 | } | |
fc6d9d51 | 1239 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1240 | return; |
fc6d9d51 | 1241 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1242 | if (retval) { |
1243 | com_err(argv[0], retval, ""); | |
1244 | return; | |
1245 | } | |
1246 | printf("Allocated inode: %ld\n", newfile); | |
fc6d9d51 | 1247 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, 0); |
50e1e10f TT |
1248 | if (retval) { |
1249 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
fc6d9d51 | 1250 | retval = ext2fs_expand_dir(current_fs, cwd); |
50e1e10f | 1251 | if (!retval) |
fc6d9d51 TT |
1252 | retval = ext2fs_link(current_fs, cwd, |
1253 | argv[1], newfile, 0); | |
50e1e10f TT |
1254 | } |
1255 | if (retval) { | |
1256 | com_err(argv[1], retval, ""); | |
1257 | return; | |
1258 | } | |
1259 | } | |
fc6d9d51 | 1260 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1261 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1262 | ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile); |
1263 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1264 | memset(&inode, 0, sizeof(inode)); |
1265 | inode.i_mode = mode; | |
1266 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1267 | inode.i_block[0] = major*256+minor; | |
1268 | inode.i_links_count = 1; | |
fc6d9d51 TT |
1269 | ext2fs_write_inode(current_fs, newfile, &inode); |
1270 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f TT |
1271 | if (retval) { |
1272 | com_err(argv[0], retval, "while trying to write inode %d", inode); | |
1273 | return; | |
1274 | } | |
1275 | } | |
1276 | ||
3839e657 TT |
1277 | void do_mkdir(int argc, char *argv[]) |
1278 | { | |
1279 | char *cp; | |
1280 | ino_t parent; | |
1281 | char *name; | |
1282 | errcode_t retval; | |
1283 | ||
1284 | if (check_fs_open(argv[0])) | |
1285 | return; | |
1286 | ||
1287 | if (argc != 2) { | |
1288 | com_err(argv[0], 0, "Usage: mkdir <file>"); | |
1289 | return; | |
1290 | } | |
1291 | ||
d3aea7dc TT |
1292 | if (check_fs_read_write(argv[0])) |
1293 | return; | |
1294 | ||
3839e657 TT |
1295 | cp = strrchr(argv[1], '/'); |
1296 | if (cp) { | |
1297 | *cp = 0; | |
1298 | parent = string_to_inode(argv[1]); | |
1299 | if (!parent) { | |
1300 | com_err(argv[1], ENOENT, ""); | |
1301 | return; | |
1302 | } | |
1303 | name = cp+1; | |
1304 | } else { | |
1305 | parent = cwd; | |
1306 | name = argv[1]; | |
1307 | } | |
1308 | ||
1309 | ||
fc6d9d51 | 1310 | retval = ext2fs_mkdir(current_fs, parent, 0, name); |
3839e657 TT |
1311 | if (retval) { |
1312 | com_err("ext2fs_mkdir", retval, ""); | |
1313 | return; | |
1314 | } | |
1315 | ||
1316 | } | |
1317 | ||
1318 | void do_rmdir(int argc, char *argv[]) | |
1319 | { | |
1320 | printf("Unimplemented\n"); | |
1321 | } | |
1322 | ||
1323 | ||
50e1e10f TT |
1324 | static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, |
1325 | int blockcnt, void *private) | |
3839e657 | 1326 | { |
50e1e10f | 1327 | printf("%d ", *blocknr); |
f3db3566 | 1328 | ext2fs_unmark_block_bitmap(fs->block_map,*blocknr); |
3839e657 TT |
1329 | return 0; |
1330 | } | |
1331 | ||
fc6d9d51 | 1332 | static void kill_file_by_inode(ino_t inode) |
3839e657 TT |
1333 | { |
1334 | struct ext2_inode inode_buf; | |
1335 | ||
fc6d9d51 | 1336 | ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 1337 | inode_buf.i_dtime = time(NULL); |
fc6d9d51 | 1338 | ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
1339 | |
1340 | printf("Kill file by inode %ld\n", inode); | |
fc6d9d51 TT |
1341 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
1342 | release_blocks_proc, NULL); | |
521e3685 | 1343 | printf("\n"); |
fc6d9d51 | 1344 | ext2fs_unmark_inode_bitmap(current_fs->inode_map, inode); |
3839e657 | 1345 | |
fc6d9d51 TT |
1346 | ext2fs_mark_bb_dirty(current_fs); |
1347 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
1348 | } |
1349 | ||
1350 | ||
1351 | void do_kill_file(int argc, char *argv[]) | |
1352 | { | |
1353 | ino_t inode_num; | |
1354 | ||
1355 | if (argc != 2) { | |
1356 | com_err(argv[0], 0, "Usage: kill_file <file>"); | |
1357 | return; | |
1358 | } | |
1359 | if (check_fs_open(argv[0])) | |
1360 | return; | |
1361 | ||
d3aea7dc TT |
1362 | if (check_fs_read_write(argv[0])) |
1363 | return; | |
1364 | ||
3839e657 TT |
1365 | inode_num = string_to_inode(argv[1]); |
1366 | if (!inode_num) { | |
1367 | com_err(argv[0], 0, "Cannot find file"); | |
1368 | return; | |
1369 | } | |
1370 | kill_file_by_inode(inode_num); | |
1371 | } | |
1372 | ||
1373 | void do_rm(int argc, char *argv[]) | |
1374 | { | |
1375 | int retval; | |
1376 | ino_t inode_num; | |
1377 | struct ext2_inode inode; | |
1378 | ||
1379 | if (argc != 2) { | |
1380 | com_err(argv[0], 0, "Usage: rm <filename>"); | |
1381 | return; | |
1382 | } | |
1383 | if (check_fs_open(argv[0])) | |
1384 | return; | |
1385 | ||
d3aea7dc TT |
1386 | if (check_fs_read_write(argv[0])) |
1387 | return; | |
1388 | ||
fc6d9d51 | 1389 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); |
3839e657 | 1390 | if (retval) { |
91d6d486 | 1391 | com_err(argv[0], retval, "while trying to resolve filename"); |
3839e657 TT |
1392 | return; |
1393 | } | |
1394 | ||
fc6d9d51 | 1395 | retval = ext2fs_read_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1396 | if (retval) { |
1397 | com_err(argv[0], retval, "while reading file's inode"); | |
1398 | return; | |
1399 | } | |
1400 | ||
50e1e10f | 1401 | if (LINUX_S_ISDIR(inode.i_mode)) { |
3839e657 TT |
1402 | com_err(argv[0], 0, "file is a directory"); |
1403 | return; | |
1404 | } | |
1405 | ||
1406 | --inode.i_links_count; | |
fc6d9d51 | 1407 | retval = ext2fs_write_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1408 | if (retval) { |
1409 | com_err(argv[0], retval, "while writing inode"); | |
1410 | return; | |
1411 | } | |
1412 | ||
1413 | unlink_file_by_name(argv[1]); | |
1414 | if (inode.i_links_count == 0) | |
1415 | kill_file_by_inode(inode_num); | |
1416 | } | |
1417 | ||
1418 | void do_show_debugfs_params(int argc, char *argv[]) | |
1419 | { | |
1420 | FILE *out = stdout; | |
1421 | ||
fc6d9d51 TT |
1422 | if (current_fs) |
1423 | fprintf(out, "Open mode: read-%s\n", | |
1424 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
3839e657 | 1425 | fprintf(out, "Filesystem in use: %s\n", |
fc6d9d51 | 1426 | current_fs ? current_fs->device_name : "--none--"); |
3839e657 TT |
1427 | } |
1428 | ||
1429 | void do_expand_dir(int argc, char *argv[]) | |
1430 | { | |
1431 | ino_t inode; | |
1432 | int retval; | |
1433 | ||
1434 | if (argc != 2) { | |
1435 | com_err(argv[0], 0, "Usage: expand_dir <file>"); | |
1436 | return; | |
1437 | } | |
1438 | if (check_fs_open(argv[0])) | |
1439 | return; | |
1440 | inode = string_to_inode(argv[1]); | |
1441 | if (!inode) | |
1442 | return; | |
1443 | ||
fc6d9d51 | 1444 | retval = ext2fs_expand_dir(current_fs, inode); |
3839e657 TT |
1445 | if (retval) |
1446 | com_err("ext2fs_expand_dir", retval, ""); | |
1447 | return; | |
1448 | } | |
1449 | ||
d3aea7dc TT |
1450 | void do_features(int argc, char *argv[]) |
1451 | { | |
1452 | int i; | |
1453 | ||
1454 | if (check_fs_open(argv[0])) | |
1455 | return; | |
1456 | ||
1457 | if ((argc != 1) && check_fs_read_write(argv[0])) | |
1458 | return; | |
1459 | for (i=1; i < argc; i++) { | |
1460 | if (e2p_edit_feature(argv[i], | |
06968e7e | 1461 | ¤t_fs->super->s_feature_compat, 0)) |
d3aea7dc TT |
1462 | com_err(argv[0], 0, "Unknown feature: %s\n", |
1463 | argv[i]); | |
1464 | else | |
1465 | ext2fs_mark_super_dirty(current_fs); | |
1466 | } | |
1467 | print_features((struct ext2fs_sb *) current_fs->super, stdout); | |
1468 | } | |
1469 | ||
fc6d9d51 TT |
1470 | static int source_file(const char *cmd_file, int sci_idx) |
1471 | { | |
1472 | FILE *f; | |
1473 | char buf[256]; | |
1474 | char *cp; | |
1475 | int exit_status = 0; | |
1476 | int retval; | |
1477 | ||
1478 | if (strcmp(cmd_file, "-") == 0) | |
1479 | f = stdin; | |
1480 | else { | |
1481 | f = fopen(cmd_file, "r"); | |
1482 | if (!f) { | |
1483 | perror(cmd_file); | |
1484 | exit(1); | |
1485 | } | |
1486 | } | |
1487 | setbuf(stdout, NULL); | |
1488 | setbuf(stderr, NULL); | |
1489 | while (!feof(f)) { | |
1490 | if (fgets(buf, sizeof(buf), f) == NULL) | |
1491 | break; | |
1492 | cp = strchr(buf, '\n'); | |
1493 | if (cp) | |
1494 | *cp = 0; | |
1495 | cp = strchr(buf, '\r'); | |
1496 | if (cp) | |
1497 | *cp = 0; | |
1498 | printf("debugfs: %s\n", buf); | |
1499 | retval = ss_execute_line(sci_idx, buf); | |
1500 | if (retval) { | |
1501 | ss_perror(sci_idx, retval, buf); | |
1502 | exit_status++; | |
1503 | } | |
1504 | } | |
1505 | return exit_status; | |
1506 | } | |
1507 | ||
a8859cad | 1508 | int main(int argc, char **argv) |
3839e657 | 1509 | { |
50e1e10f TT |
1510 | int retval; |
1511 | int sci_idx; | |
2e8d40d5 | 1512 | const char *usage = "Usage: debugfs [-b blocksize] [-s superblock] [-f cmd_file] [-R request] [-V] [[-w] [-c] device]"; |
f1304811 | 1513 | int c; |
50e1e10f | 1514 | int open_flags = 0; |
fc6d9d51 TT |
1515 | char *request = 0; |
1516 | int exit_status = 0; | |
1517 | char *cmd_file = 0; | |
2e8d40d5 TT |
1518 | blk_t superblock = 0; |
1519 | blk_t blocksize = 0; | |
1520 | int catastrophic = 0; | |
1521 | char *tmp; | |
3839e657 TT |
1522 | |
1523 | initialize_ext2_error_table(); | |
818180cd TT |
1524 | fprintf (stderr, "debugfs %s, %s for EXT2 FS %s, %s\n", |
1525 | E2FSPROGS_VERSION, E2FSPROGS_DATE, | |
1526 | EXT2FS_VERSION, EXT2FS_DATE); | |
3839e657 | 1527 | |
2e8d40d5 | 1528 | while ((c = getopt (argc, argv, "wcR:f:b:s:V")) != EOF) { |
3839e657 | 1529 | switch (c) { |
fc6d9d51 TT |
1530 | case 'R': |
1531 | request = optarg; | |
1532 | break; | |
1533 | case 'f': | |
1534 | cmd_file = optarg; | |
1535 | break; | |
3839e657 TT |
1536 | case 'w': |
1537 | open_flags = EXT2_FLAG_RW; | |
1538 | break; | |
2e8d40d5 TT |
1539 | case 'b': |
1540 | blocksize = strtoul(optarg, &tmp, 0); | |
1541 | if (*tmp) { | |
1542 | com_err(argv[0], 0, | |
1543 | "Bad block size - %s", optarg); | |
1544 | return 1; | |
1545 | } | |
1546 | break; | |
1547 | case 's': | |
1548 | superblock = strtoul(optarg, &tmp, 0); | |
1549 | if (*tmp) { | |
1550 | com_err(argv[0], 0, | |
1551 | "Bad superblock number - %s", optarg); | |
1552 | return 1; | |
1553 | } | |
1554 | break; | |
1555 | case 'c': | |
1556 | catastrophic = 1; | |
1557 | break; | |
818180cd TT |
1558 | case 'V': |
1559 | /* Print version number and exit */ | |
1560 | fprintf(stderr, "\tUsing %s\n", | |
1561 | error_message(EXT2_ET_BASE)); | |
1562 | exit(0); | |
3839e657 TT |
1563 | default: |
1564 | com_err(argv[0], 0, usage); | |
b4ac9cc3 | 1565 | return 1; |
3839e657 TT |
1566 | } |
1567 | } | |
1568 | if (optind < argc) | |
2e8d40d5 TT |
1569 | open_filesystem(argv[optind], open_flags, |
1570 | superblock, blocksize, catastrophic); | |
3839e657 TT |
1571 | |
1572 | sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL, | |
1573 | &debug_cmds, &retval); | |
1574 | if (retval) { | |
1575 | ss_perror(sci_idx, retval, "creating invocation"); | |
1576 | exit(1); | |
1577 | } | |
1578 | ||
1579 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
1580 | if (retval) { | |
1581 | ss_perror(sci_idx, retval, "adding standard requests"); | |
1582 | exit (1); | |
1583 | } | |
fc6d9d51 TT |
1584 | if (request) { |
1585 | retval = 0; | |
1586 | retval = ss_execute_line(sci_idx, request); | |
1587 | if (retval) { | |
1588 | ss_perror(sci_idx, retval, request); | |
1589 | exit_status++; | |
1590 | } | |
1591 | } else if (cmd_file) { | |
1592 | exit_status = source_file(cmd_file, sci_idx); | |
1593 | } else { | |
1594 | ss_listen(sci_idx); | |
1595 | } | |
3839e657 | 1596 | |
fc6d9d51 | 1597 | if (current_fs) |
3839e657 TT |
1598 | close_filesystem(); |
1599 | ||
e597304a | 1600 | return exit_status; |
3839e657 | 1601 | } |