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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" |
3839e657 TT |
37 | |
38 | extern ss_request_table debug_cmds; | |
39 | ||
fc6d9d51 | 40 | ext2_filsys current_fs = NULL; |
3839e657 TT |
41 | ino_t root, cwd; |
42 | ||
50e1e10f | 43 | static void open_filesystem(char *device, int open_flags) |
3839e657 TT |
44 | { |
45 | int retval; | |
46 | ||
fc6d9d51 TT |
47 | retval = ext2fs_open(device, open_flags, 0, 0, |
48 | unix_io_manager, ¤t_fs); | |
3839e657 TT |
49 | if (retval) { |
50 | com_err(device, retval, "while opening filesystem"); | |
fc6d9d51 | 51 | current_fs = NULL; |
3839e657 TT |
52 | return; |
53 | } | |
fc6d9d51 | 54 | retval = ext2fs_read_inode_bitmap(current_fs); |
3839e657 TT |
55 | if (retval) { |
56 | com_err(device, retval, "while reading inode bitmap"); | |
57 | goto errout; | |
58 | } | |
fc6d9d51 | 59 | retval = ext2fs_read_block_bitmap(current_fs); |
3839e657 TT |
60 | if (retval) { |
61 | com_err(device, retval, "while reading block bitmap"); | |
62 | goto errout; | |
63 | } | |
64 | root = cwd = EXT2_ROOT_INO; | |
65 | return; | |
66 | ||
67 | errout: | |
fc6d9d51 | 68 | retval = ext2fs_close(current_fs); |
3839e657 TT |
69 | if (retval) |
70 | com_err(device, retval, "while trying to close filesystem"); | |
fc6d9d51 | 71 | current_fs = NULL; |
3839e657 TT |
72 | } |
73 | ||
74 | void do_open_filesys(int argc, char **argv) | |
75 | { | |
50e1e10f | 76 | const char *usage = "Usage: open [-w] <device>"; |
f1304811 | 77 | int c; |
3839e657 TT |
78 | int open_flags = 0; |
79 | ||
fc6d9d51 | 80 | optind = 0; |
50e1e10f TT |
81 | #ifdef HAVE_OPTRESET |
82 | optreset = 1; /* Makes BSD getopt happy */ | |
83 | #endif | |
3839e657 TT |
84 | while ((c = getopt (argc, argv, "w")) != EOF) { |
85 | switch (c) { | |
86 | case 'w': | |
87 | open_flags = EXT2_FLAG_RW; | |
88 | break; | |
89 | default: | |
90 | com_err(argv[0], 0, usage); | |
91 | return; | |
92 | } | |
93 | } | |
94 | if (optind != argc-1) { | |
95 | com_err(argv[0], 0, usage); | |
96 | return; | |
97 | } | |
98 | if (check_fs_not_open(argv[0])) | |
99 | return; | |
100 | open_filesystem(argv[optind], open_flags); | |
101 | } | |
102 | ||
50e1e10f | 103 | static void close_filesystem(NOARGS) |
3839e657 TT |
104 | { |
105 | int retval; | |
106 | ||
fc6d9d51 TT |
107 | if (current_fs->flags & EXT2_FLAG_IB_DIRTY) { |
108 | retval = ext2fs_write_inode_bitmap(current_fs); | |
3839e657 TT |
109 | if (retval) |
110 | com_err("ext2fs_write_inode_bitmap", retval, ""); | |
111 | } | |
fc6d9d51 TT |
112 | if (current_fs->flags & EXT2_FLAG_BB_DIRTY) { |
113 | retval = ext2fs_write_block_bitmap(current_fs); | |
3839e657 TT |
114 | if (retval) |
115 | com_err("ext2fs_write_block_bitmap", retval, ""); | |
116 | } | |
fc6d9d51 | 117 | retval = ext2fs_close(current_fs); |
3839e657 TT |
118 | if (retval) |
119 | com_err("ext2fs_close", retval, ""); | |
fc6d9d51 | 120 | current_fs = NULL; |
3839e657 TT |
121 | return; |
122 | } | |
123 | ||
124 | void do_close_filesys(int argc, char **argv) | |
125 | { | |
126 | if (argc > 1) { | |
127 | com_err(argv[0], 0, "Usage: close_filesys"); | |
128 | return; | |
129 | } | |
130 | if (check_fs_open(argv[0])) | |
131 | return; | |
132 | close_filesystem(); | |
133 | } | |
134 | ||
135 | void do_init_filesys(int argc, char **argv) | |
136 | { | |
50e1e10f | 137 | const char *usage = "Usage: initialize <device> <blocksize>"; |
3839e657 TT |
138 | struct ext2_super_block param; |
139 | errcode_t retval; | |
140 | char *tmp; | |
141 | ||
142 | if (argc != 3) { | |
143 | com_err(argv[0], 0, usage); | |
144 | return; | |
145 | } | |
146 | if (check_fs_not_open(argv[0])) | |
147 | return; | |
148 | ||
149 | memset(¶m, 0, sizeof(struct ext2_super_block)); | |
150 | param.s_blocks_count = strtoul(argv[2], &tmp, 0); | |
151 | if (*tmp) { | |
152 | com_err(argv[0], 0, "Bad blocks count - %s", argv[2]); | |
153 | return; | |
154 | } | |
fc6d9d51 TT |
155 | retval = ext2fs_initialize(argv[1], 0, ¶m, |
156 | unix_io_manager, ¤t_fs); | |
3839e657 TT |
157 | if (retval) { |
158 | com_err(argv[1], retval, "while initializing filesystem"); | |
fc6d9d51 | 159 | current_fs = NULL; |
3839e657 TT |
160 | return; |
161 | } | |
162 | root = cwd = EXT2_ROOT_INO; | |
163 | return; | |
164 | } | |
165 | ||
166 | void do_show_super_stats(int argc, char *argv[]) | |
167 | { | |
168 | int i; | |
169 | FILE *out; | |
fc6d9d51 TT |
170 | struct ext2fs_sb *sb; |
171 | struct ext2_group_desc *gdp; | |
172 | char buf[80]; | |
173 | const char *none = "(none)"; | |
3839e657 TT |
174 | |
175 | if (argc > 1) { | |
176 | com_err(argv[0], 0, "Usage: show_super"); | |
177 | return; | |
178 | } | |
179 | if (check_fs_open(argv[0])) | |
180 | return; | |
181 | out = open_pager(); | |
fc6d9d51 TT |
182 | sb = (struct ext2fs_sb *) current_fs->super; |
183 | fprintf(out, "Filesystem is read-%s\n", | |
184 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
185 | if (sb->s_volume_name[0]) { | |
186 | memset(buf, 0, sizeof(buf)); | |
187 | strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name)); | |
188 | } else | |
189 | strcpy(buf, none); | |
190 | fprintf(out, "Volume name = %s\n", buf); | |
191 | if (sb->s_last_mounted[0]) { | |
192 | memset(buf, 0, sizeof(buf)); | |
193 | strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted)); | |
194 | } else | |
195 | strcpy(buf, none); | |
196 | fprintf(out, "Last mounted directory = %s\n", buf); | |
197 | if (!uuid_is_null(sb->s_uuid)) | |
198 | uuid_unparse(sb->s_uuid, buf); | |
199 | else | |
200 | strcpy(buf, none); | |
201 | fprintf(out, "Filesystem UUID = %s\n", buf); | |
202 | fprintf(out, "Last mount time = %s", time_to_string(sb->s_mtime)); | |
203 | fprintf(out, "Last write time = %s", time_to_string(sb->s_wtime)); | |
3839e657 | 204 | fprintf(out, "Mount counts = %d (maximal = %d)\n", |
fc6d9d51 TT |
205 | sb->s_mnt_count, sb->s_max_mnt_count); |
206 | fputs ("Filesystem OS type = ", out); | |
207 | switch (sb->s_creator_os) { | |
208 | case EXT2_OS_LINUX: fputs ("Linux\n", out); break; | |
209 | case EXT2_OS_HURD: fputs ("GNU\n", out); break; | |
210 | case EXT2_OS_MASIX: fputs ("Masix\n", out); break; | |
211 | default: fputs ("unknown\n", out); | |
212 | } | |
213 | fprintf(out, "Superblock size = %d\n", | |
214 | sizeof(struct ext2_super_block)); | |
3839e657 | 215 | fprintf(out, "Block size = %d, fragment size = %d\n", |
fc6d9d51 TT |
216 | EXT2_BLOCK_SIZE(sb), EXT2_FRAG_SIZE(sb)); |
217 | fprintf(out, "Inode size = %d\n", EXT2_INODE_SIZE(sb)); | |
218 | fprintf(out, "%d inodes, %d free\n", sb->s_inodes_count, | |
219 | sb->s_free_inodes_count); | |
50e1e10f | 220 | fprintf(out, "%d blocks, %d free, %d reserved, first block = %d\n", |
fc6d9d51 TT |
221 | sb->s_blocks_count, sb->s_free_blocks_count, |
222 | sb->s_r_blocks_count, sb->s_first_data_block); | |
223 | fprintf(out, "%d blocks per group\n", sb->s_blocks_per_group); | |
224 | fprintf(out, "%d fragments per group\n", sb->s_frags_per_group); | |
225 | fprintf(out, "%d inodes per group\n", EXT2_INODES_PER_GROUP(sb)); | |
3839e657 | 226 | fprintf(out, "%ld group%s (%ld descriptors block%s)\n", |
fc6d9d51 TT |
227 | current_fs->group_desc_count, |
228 | (current_fs->group_desc_count != 1) ? "s" : "", | |
229 | current_fs->desc_blocks, | |
230 | (current_fs->desc_blocks != 1) ? "s" : ""); | |
231 | ||
232 | gdp = ¤t_fs->group_desc[0]; | |
233 | for (i = 0; i < current_fs->group_desc_count; i++, gdp++) | |
50e1e10f TT |
234 | fprintf(out, " Group %2d: block bitmap at %d, " |
235 | "inode bitmap at %d, " | |
236 | "inode table at %d\n" | |
3839e657 TT |
237 | " %d free block%s, " |
238 | "%d free inode%s, " | |
239 | "%d used director%s\n", | |
fc6d9d51 TT |
240 | i, gdp->bg_block_bitmap, |
241 | gdp->bg_inode_bitmap, gdp->bg_inode_table, | |
242 | gdp->bg_free_blocks_count, | |
243 | gdp->bg_free_blocks_count != 1 ? "s" : "", | |
244 | gdp->bg_free_inodes_count, | |
245 | gdp->bg_free_inodes_count != 1 ? "s" : "", | |
246 | gdp->bg_used_dirs_count, | |
247 | gdp->bg_used_dirs_count != 1 ? "ies" : "y"); | |
3839e657 TT |
248 | close_pager(out); |
249 | } | |
250 | ||
4a31c48b | 251 | void do_dirty_filesys(int argc, char **argv) |
21c84b71 TT |
252 | { |
253 | if (check_fs_open(argv[0])) | |
254 | return; | |
255 | ||
256 | ext2fs_mark_super_dirty(current_fs); | |
257 | } | |
258 | ||
3839e657 TT |
259 | struct list_blocks_struct { |
260 | FILE *f; | |
261 | int total; | |
262 | }; | |
263 | ||
50e1e10f TT |
264 | static int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, |
265 | void *private) | |
3839e657 TT |
266 | { |
267 | struct list_blocks_struct *lb = (struct list_blocks_struct *) private; | |
268 | ||
50e1e10f | 269 | fprintf(lb->f, "%d ", *blocknr); |
3839e657 TT |
270 | lb->total++; |
271 | return 0; | |
272 | } | |
273 | ||
274 | ||
50e1e10f | 275 | static void dump_blocks(FILE *f, ino_t inode) |
3839e657 TT |
276 | { |
277 | struct list_blocks_struct lb; | |
278 | ||
279 | fprintf(f, "BLOCKS:\n"); | |
280 | lb.total = 0; | |
281 | lb.f = f; | |
fc6d9d51 TT |
282 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
283 | list_blocks_proc, (void *)&lb); | |
3839e657 TT |
284 | if (lb.total) |
285 | fprintf(f, "\nTOTAL: %d\n", lb.total); | |
286 | fprintf(f,"\n"); | |
287 | } | |
288 | ||
289 | ||
50e1e10f | 290 | static void dump_inode(ino_t inode_num, struct ext2_inode inode) |
3839e657 | 291 | { |
50e1e10f | 292 | const char *i_type; |
3839e657 | 293 | FILE *out; |
fc6d9d51 TT |
294 | char frag, fsize; |
295 | int os = current_fs->super->s_creator_os; | |
3839e657 TT |
296 | |
297 | out = open_pager(); | |
50e1e10f TT |
298 | if (LINUX_S_ISDIR(inode.i_mode)) i_type = "directory"; |
299 | else if (LINUX_S_ISREG(inode.i_mode)) i_type = "regular"; | |
300 | else if (LINUX_S_ISLNK(inode.i_mode)) i_type = "symlink"; | |
301 | else if (LINUX_S_ISBLK(inode.i_mode)) i_type = "block special"; | |
302 | else if (LINUX_S_ISCHR(inode.i_mode)) i_type = "character special"; | |
303 | else if (LINUX_S_ISFIFO(inode.i_mode)) i_type = "FIFO"; | |
304 | else if (LINUX_S_ISSOCK(inode.i_mode)) i_type = "socket"; | |
3839e657 TT |
305 | else i_type = "bad type"; |
306 | fprintf(out, "Inode: %ld Type: %s ", inode_num, i_type); | |
50e1e10f | 307 | fprintf(out, "Mode: %04o Flags: 0x%x Version: %d\n", |
3839e657 | 308 | inode.i_mode & 0777, inode.i_flags, inode.i_version); |
36a43d67 TT |
309 | fprintf(out, "User: %5d Group: %5d Size: ", |
310 | inode.i_uid, inode.i_gid); | |
311 | if (LINUX_S_ISDIR(inode.i_mode)) | |
312 | fprintf(out, "%d\n", inode.i_size); | |
313 | else { | |
314 | __u64 i_size = (inode.i_size | | |
315 | ((unsigned long long)inode.i_size_high << 32)); | |
316 | ||
317 | fprintf(out, "%lld\n", i_size); | |
318 | } | |
fc6d9d51 | 319 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
320 | fprintf(out, |
321 | "File ACL: %d Directory ACL: %d Translator: %d\n", | |
36a43d67 | 322 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0, |
62c06f79 TT |
323 | inode.osd1.hurd1.h_i_translator); |
324 | else | |
325 | fprintf(out, "File ACL: %d Directory ACL: %d\n", | |
36a43d67 | 326 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0); |
50e1e10f | 327 | fprintf(out, "Links: %d Blockcount: %d\n", inode.i_links_count, |
3839e657 | 328 | inode.i_blocks); |
fc6d9d51 TT |
329 | switch (os) { |
330 | case EXT2_OS_LINUX: | |
331 | frag = inode.osd2.linux2.l_i_frag; | |
332 | fsize = inode.osd2.linux2.l_i_fsize; | |
333 | break; | |
334 | case EXT2_OS_HURD: | |
335 | frag = inode.osd2.hurd2.h_i_frag; | |
336 | fsize = inode.osd2.hurd2.h_i_fsize; | |
337 | break; | |
338 | case EXT2_OS_MASIX: | |
339 | frag = inode.osd2.masix2.m_i_frag; | |
340 | fsize = inode.osd2.masix2.m_i_fsize; | |
341 | break; | |
342 | default: | |
343 | frag = fsize = 0; | |
344 | } | |
50e1e10f | 345 | fprintf(out, "Fragment: Address: %d Number: %d Size: %d\n", |
fc6d9d51 | 346 | inode.i_faddr, frag, fsize); |
50e1e10f | 347 | fprintf(out, "ctime: 0x%08x -- %s", inode.i_ctime, |
fc6d9d51 | 348 | time_to_string(inode.i_ctime)); |
50e1e10f | 349 | fprintf(out, "atime: 0x%08x -- %s", inode.i_atime, |
fc6d9d51 | 350 | time_to_string(inode.i_atime)); |
50e1e10f | 351 | fprintf(out, "mtime: 0x%08x -- %s", inode.i_mtime, |
fc6d9d51 | 352 | time_to_string(inode.i_mtime)); |
3839e657 | 353 | if (inode.i_dtime) |
50e1e10f | 354 | fprintf(out, "dtime: 0x%08x -- %s", inode.i_dtime, |
fc6d9d51 | 355 | time_to_string(inode.i_dtime)); |
50e1e10f | 356 | if (LINUX_S_ISLNK(inode.i_mode) && inode.i_blocks == 0) |
3839e657 TT |
357 | fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block); |
358 | else | |
359 | dump_blocks(out, inode_num); | |
360 | close_pager(out); | |
361 | } | |
362 | ||
363 | ||
364 | void do_stat(int argc, char *argv[]) | |
365 | { | |
366 | ino_t inode; | |
367 | struct ext2_inode inode_buf; | |
368 | int retval; | |
369 | ||
370 | if (argc != 2) { | |
371 | com_err(argv[0], 0, "Usage: stat <file>"); | |
372 | return; | |
373 | } | |
374 | if (check_fs_open(argv[0])) | |
375 | return; | |
376 | inode = string_to_inode(argv[1]); | |
377 | if (!inode) | |
378 | return; | |
379 | ||
fc6d9d51 | 380 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
381 | if (retval) |
382 | { | |
383 | com_err(argv[0], 0, "Reading inode"); | |
384 | return; | |
385 | } | |
386 | ||
387 | dump_inode(inode,inode_buf); | |
388 | return; | |
389 | } | |
390 | ||
391 | void do_chroot(int argc, char *argv[]) | |
392 | { | |
393 | ino_t inode; | |
394 | int retval; | |
395 | ||
396 | if (argc != 2) { | |
397 | com_err(argv[0], 0, "Usage: chroot <file>"); | |
398 | return; | |
399 | } | |
400 | if (check_fs_open(argv[0])) | |
401 | return; | |
402 | inode = string_to_inode(argv[1]); | |
403 | if (!inode) | |
404 | return; | |
405 | ||
fc6d9d51 | 406 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
407 | if (retval) { |
408 | com_err(argv[1], retval, ""); | |
409 | return; | |
410 | } | |
411 | root = inode; | |
412 | } | |
413 | ||
414 | void do_clri(int argc, char *argv[]) | |
415 | { | |
416 | ino_t inode; | |
417 | int retval; | |
418 | struct ext2_inode inode_buf; | |
419 | ||
420 | if (argc != 2) { | |
421 | com_err(argv[0], 0, "Usage: clri <file>"); | |
422 | return; | |
423 | } | |
424 | if (check_fs_open(argv[0])) | |
425 | return; | |
fc6d9d51 | 426 | if (check_fs_read_write(argv[0])) |
3839e657 | 427 | return; |
3839e657 TT |
428 | inode = string_to_inode(argv[1]); |
429 | if (!inode) | |
430 | return; | |
431 | ||
fc6d9d51 | 432 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
433 | if (retval) { |
434 | com_err(argv[0], 0, "while trying to read inode %d", inode); | |
435 | return; | |
436 | } | |
437 | memset(&inode_buf, 0, sizeof(inode_buf)); | |
fc6d9d51 | 438 | retval = ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
439 | if (retval) { |
440 | com_err(argv[0], retval, "while trying to write inode %d", | |
441 | inode); | |
442 | return; | |
443 | } | |
444 | } | |
445 | ||
446 | void do_freei(int argc, char *argv[]) | |
447 | { | |
448 | ino_t inode; | |
449 | ||
450 | if (argc != 2) { | |
451 | com_err(argv[0], 0, "Usage: freei <file>"); | |
452 | return; | |
453 | } | |
454 | if (check_fs_open(argv[0])) | |
455 | return; | |
fc6d9d51 | 456 | if (check_fs_read_write(argv[0])) |
3839e657 | 457 | return; |
3839e657 TT |
458 | inode = string_to_inode(argv[1]); |
459 | if (!inode) | |
460 | return; | |
461 | ||
fc6d9d51 | 462 | if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 463 | com_err(argv[0], 0, "Warning: inode already clear"); |
fc6d9d51 TT |
464 | ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode); |
465 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
466 | } |
467 | ||
468 | void do_seti(int argc, char *argv[]) | |
469 | { | |
470 | ino_t inode; | |
471 | ||
472 | if (argc != 2) { | |
473 | com_err(argv[0], 0, "Usage: seti <file>"); | |
474 | return; | |
475 | } | |
476 | if (check_fs_open(argv[0])) | |
477 | return; | |
fc6d9d51 | 478 | if (check_fs_read_write(argv[0])) |
3839e657 | 479 | return; |
3839e657 TT |
480 | inode = string_to_inode(argv[1]); |
481 | if (!inode) | |
482 | return; | |
483 | ||
fc6d9d51 | 484 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 485 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
486 | ext2fs_mark_inode_bitmap(current_fs->inode_map,inode); |
487 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
488 | } |
489 | ||
490 | void do_testi(int argc, char *argv[]) | |
491 | { | |
492 | ino_t inode; | |
493 | ||
494 | if (argc != 2) { | |
495 | com_err(argv[0], 0, "Usage: testi <file>"); | |
496 | return; | |
497 | } | |
498 | if (check_fs_open(argv[0])) | |
499 | return; | |
500 | inode = string_to_inode(argv[1]); | |
501 | if (!inode) | |
502 | return; | |
503 | ||
fc6d9d51 | 504 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 TT |
505 | printf("Inode %ld is marked in use\n", inode); |
506 | else | |
507 | printf("Inode %ld is not in use\n", inode); | |
508 | } | |
509 | ||
510 | ||
511 | void do_freeb(int argc, char *argv[]) | |
512 | { | |
513 | blk_t block; | |
514 | char *tmp; | |
515 | ||
516 | if (argc != 2) { | |
517 | com_err(argv[0], 0, "Usage: freeb <block>"); | |
518 | return; | |
519 | } | |
520 | if (check_fs_open(argv[0])) | |
521 | return; | |
fc6d9d51 | 522 | if (check_fs_read_write(argv[0])) |
3839e657 | 523 | return; |
3839e657 TT |
524 | block = strtoul(argv[1], &tmp, 0); |
525 | if (!block || *tmp) { | |
526 | com_err(argv[0], 0, "No block 0"); | |
527 | return; | |
528 | } | |
fc6d9d51 | 529 | if (!ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 530 | com_err(argv[0], 0, "Warning: block already clear"); |
fc6d9d51 TT |
531 | ext2fs_unmark_block_bitmap(current_fs->block_map,block); |
532 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
533 | } |
534 | ||
535 | void do_setb(int argc, char *argv[]) | |
536 | { | |
537 | blk_t block; | |
538 | char *tmp; | |
539 | ||
540 | if (argc != 2) { | |
541 | com_err(argv[0], 0, "Usage: setb <block>"); | |
542 | return; | |
543 | } | |
544 | if (check_fs_open(argv[0])) | |
545 | return; | |
fc6d9d51 | 546 | if (check_fs_read_write(argv[0])) |
3839e657 | 547 | return; |
3839e657 TT |
548 | block = strtoul(argv[1], &tmp, 0); |
549 | if (!block || *tmp) { | |
550 | com_err(argv[0], 0, "No block 0"); | |
551 | return; | |
552 | } | |
fc6d9d51 | 553 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 554 | com_err(argv[0], 0, "Warning: block already set"); |
fc6d9d51 TT |
555 | ext2fs_mark_block_bitmap(current_fs->block_map,block); |
556 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
557 | } |
558 | ||
559 | void do_testb(int argc, char *argv[]) | |
560 | { | |
561 | blk_t block; | |
562 | char *tmp; | |
563 | ||
564 | if (argc != 2) { | |
565 | com_err(argv[0], 0, "Usage: testb <block>"); | |
566 | return; | |
567 | } | |
568 | if (check_fs_open(argv[0])) | |
569 | return; | |
570 | block = strtoul(argv[1], &tmp, 0); | |
571 | if (!block || *tmp) { | |
572 | com_err(argv[0], 0, "No block 0"); | |
573 | return; | |
574 | } | |
fc6d9d51 | 575 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
50e1e10f TT |
576 | printf("Block %d marked in use\n", block); |
577 | else printf("Block %d not in use\n", block); | |
3839e657 TT |
578 | } |
579 | ||
50e1e10f TT |
580 | static void modify_u8(char *com, const char *prompt, |
581 | const char *format, __u8 *val) | |
3839e657 TT |
582 | { |
583 | char buf[200]; | |
21c84b71 | 584 | unsigned long v; |
3839e657 TT |
585 | char *tmp; |
586 | ||
587 | sprintf(buf, format, *val); | |
588 | printf("%30s [%s] ", prompt, buf); | |
589 | fgets(buf, sizeof(buf), stdin); | |
590 | if (buf[strlen (buf) - 1] == '\n') | |
591 | buf[strlen (buf) - 1] = '\0'; | |
592 | if (!buf[0]) | |
593 | return; | |
21c84b71 | 594 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
595 | if (*tmp) |
596 | com_err(com, 0, "Bad value - %s", buf); | |
597 | else | |
598 | *val = v; | |
599 | } | |
600 | ||
50e1e10f TT |
601 | static void modify_u16(char *com, const char *prompt, |
602 | const char *format, __u16 *val) | |
3839e657 TT |
603 | { |
604 | char buf[200]; | |
21c84b71 | 605 | unsigned long v; |
3839e657 TT |
606 | char *tmp; |
607 | ||
608 | sprintf(buf, format, *val); | |
609 | printf("%30s [%s] ", prompt, buf); | |
610 | fgets(buf, sizeof(buf), stdin); | |
611 | if (buf[strlen (buf) - 1] == '\n') | |
612 | buf[strlen (buf) - 1] = '\0'; | |
613 | if (!buf[0]) | |
614 | return; | |
21c84b71 | 615 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
616 | if (*tmp) |
617 | com_err(com, 0, "Bad value - %s", buf); | |
618 | else | |
619 | *val = v; | |
620 | } | |
621 | ||
50e1e10f TT |
622 | static void modify_u32(char *com, const char *prompt, |
623 | const char *format, __u32 *val) | |
3839e657 TT |
624 | { |
625 | char buf[200]; | |
21c84b71 | 626 | unsigned long v; |
3839e657 TT |
627 | char *tmp; |
628 | ||
629 | sprintf(buf, format, *val); | |
630 | printf("%30s [%s] ", prompt, buf); | |
631 | fgets(buf, sizeof(buf), stdin); | |
632 | if (buf[strlen (buf) - 1] == '\n') | |
633 | buf[strlen (buf) - 1] = '\0'; | |
634 | if (!buf[0]) | |
635 | return; | |
21c84b71 | 636 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
637 | if (*tmp) |
638 | com_err(com, 0, "Bad value - %s", buf); | |
639 | else | |
640 | *val = v; | |
641 | } | |
642 | ||
643 | ||
644 | void do_modify_inode(int argc, char *argv[]) | |
645 | { | |
646 | struct ext2_inode inode; | |
647 | ino_t inode_num; | |
648 | int i; | |
649 | errcode_t retval; | |
fc6d9d51 | 650 | unsigned char *frag, *fsize; |
3839e657 | 651 | char buf[80]; |
fc6d9d51 | 652 | int os = current_fs->super->s_creator_os; |
50e1e10f TT |
653 | const char *hex_format = "0x%x"; |
654 | const char *octal_format = "0%o"; | |
655 | const char *decimal_format = "%d"; | |
3839e657 TT |
656 | |
657 | if (argc != 2) { | |
658 | com_err(argv[0], 0, "Usage: modify_inode <file>"); | |
659 | return; | |
660 | } | |
661 | if (check_fs_open(argv[0])) | |
662 | return; | |
fc6d9d51 | 663 | if (check_fs_read_write(argv[0])) |
3839e657 | 664 | return; |
3839e657 TT |
665 | |
666 | inode_num = string_to_inode(argv[1]); | |
667 | if (!inode_num) | |
668 | return; | |
669 | ||
fc6d9d51 | 670 | retval = ext2fs_read_inode(current_fs, inode_num, &inode); |
3839e657 TT |
671 | if (retval) { |
672 | com_err(argv[1], retval, "while trying to read inode %d", | |
673 | inode_num); | |
674 | return; | |
675 | } | |
676 | ||
50e1e10f TT |
677 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); |
678 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
679 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
680 | modify_u32(argv[0], "Size", decimal_format, &inode.i_size); | |
681 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); | |
682 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
683 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
684 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
685 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
686 | modify_u32(argv[0], "Block count", decimal_format, &inode.i_blocks); | |
687 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); | |
688 | #if 0 | |
689 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
690 | #endif | |
691 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
36a43d67 TT |
692 | if (LINUX_S_ISDIR(inode.i_mode)) |
693 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
694 | else | |
695 | modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high); | |
62c06f79 | 696 | |
fc6d9d51 | 697 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
698 | modify_u32(argv[0], "Translator Block", |
699 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
700 | ||
50e1e10f | 701 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); |
fc6d9d51 TT |
702 | switch (os) { |
703 | case EXT2_OS_LINUX: | |
704 | frag = &inode.osd2.linux2.l_i_frag; | |
705 | fsize = &inode.osd2.linux2.l_i_fsize; | |
706 | break; | |
707 | case EXT2_OS_HURD: | |
708 | frag = &inode.osd2.hurd2.h_i_frag; | |
709 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
710 | break; | |
711 | case EXT2_OS_MASIX: | |
712 | frag = &inode.osd2.masix2.m_i_frag; | |
713 | fsize = &inode.osd2.masix2.m_i_fsize; | |
714 | break; | |
715 | default: | |
716 | frag = fsize = 0; | |
717 | } | |
718 | if (frag) | |
719 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
720 | if (fsize) | |
721 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
722 | ||
3839e657 TT |
723 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { |
724 | sprintf(buf, "Direct Block #%d", i); | |
50e1e10f | 725 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); |
3839e657 | 726 | } |
50e1e10f | 727 | modify_u32(argv[0], "Indirect Block", decimal_format, |
3839e657 | 728 | &inode.i_block[EXT2_IND_BLOCK]); |
50e1e10f | 729 | modify_u32(argv[0], "Double Indirect Block", decimal_format, |
3839e657 | 730 | &inode.i_block[EXT2_DIND_BLOCK]); |
50e1e10f | 731 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, |
3839e657 | 732 | &inode.i_block[EXT2_TIND_BLOCK]); |
fc6d9d51 | 733 | retval = ext2fs_write_inode(current_fs, inode_num, &inode); |
3839e657 TT |
734 | if (retval) { |
735 | com_err(argv[1], retval, "while trying to write inode %d", | |
736 | inode_num); | |
737 | return; | |
738 | } | |
739 | } | |
740 | ||
3839e657 TT |
741 | void do_change_working_dir(int argc, char *argv[]) |
742 | { | |
743 | ino_t inode; | |
744 | int retval; | |
745 | ||
746 | if (argc != 2) { | |
747 | com_err(argv[0], 0, "Usage: cd <file>"); | |
748 | return; | |
749 | } | |
750 | if (check_fs_open(argv[0])) | |
751 | return; | |
752 | ||
753 | inode = string_to_inode(argv[1]); | |
754 | if (!inode) | |
755 | return; | |
756 | ||
fc6d9d51 | 757 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
758 | if (retval) { |
759 | com_err(argv[1], retval, ""); | |
760 | return; | |
761 | } | |
762 | cwd = inode; | |
763 | return; | |
764 | } | |
765 | ||
3839e657 TT |
766 | void do_print_working_directory(int argc, char *argv[]) |
767 | { | |
768 | int retval; | |
769 | char *pathname = NULL; | |
770 | ||
771 | if (argc > 1) { | |
772 | com_err(argv[0], 0, "Usage: print_working_directory"); | |
773 | return; | |
774 | } | |
775 | if (check_fs_open(argv[0])) | |
776 | return; | |
777 | ||
fc6d9d51 | 778 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); |
3839e657 TT |
779 | if (retval) { |
780 | com_err(argv[0], retval, | |
781 | "while trying to get pathname of cwd"); | |
782 | } | |
783 | printf("[pwd] INODE: %6ld PATH: %s\n", cwd, pathname); | |
784 | free(pathname); | |
fc6d9d51 | 785 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); |
3839e657 TT |
786 | if (retval) { |
787 | com_err(argv[0], retval, | |
788 | "while trying to get pathname of root"); | |
789 | } | |
790 | printf("[root] INODE: %6ld PATH: %s\n", root, pathname); | |
791 | free(pathname); | |
792 | return; | |
793 | } | |
794 | ||
50e1e10f | 795 | static void make_link(char *sourcename, char *destname) |
3839e657 TT |
796 | { |
797 | ino_t inode; | |
798 | int retval; | |
799 | ino_t dir; | |
800 | char *dest, *cp, *basename; | |
801 | ||
802 | /* | |
803 | * Get the source inode | |
804 | */ | |
805 | inode = string_to_inode(sourcename); | |
806 | if (!inode) | |
807 | return; | |
808 | basename = strrchr(sourcename, '/'); | |
809 | if (basename) | |
810 | basename++; | |
811 | else | |
812 | basename = sourcename; | |
813 | /* | |
814 | * Figure out the destination. First see if it exists and is | |
815 | * a directory. | |
816 | */ | |
fc6d9d51 | 817 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) |
3839e657 TT |
818 | dest = basename; |
819 | else { | |
820 | /* | |
821 | * OK, it doesn't exist. See if it is | |
822 | * '<dir>/basename' or 'basename' | |
823 | */ | |
824 | cp = strrchr(destname, '/'); | |
825 | if (cp) { | |
826 | *cp = 0; | |
827 | dir = string_to_inode(destname); | |
828 | if (!dir) | |
829 | return; | |
830 | dest = cp+1; | |
831 | } else { | |
832 | dir = cwd; | |
833 | dest = destname; | |
834 | } | |
835 | } | |
836 | ||
fc6d9d51 | 837 | retval = ext2fs_link(current_fs, dir, dest, inode, 0); |
3839e657 TT |
838 | if (retval) |
839 | com_err("make_link", retval, ""); | |
840 | return; | |
841 | } | |
842 | ||
843 | ||
844 | void do_link(int argc, char *argv[]) | |
845 | { | |
846 | if (argc != 3) { | |
847 | com_err(argv[0], 0, "Usage: link <source_file> <dest_name>"); | |
848 | return; | |
849 | } | |
850 | if (check_fs_open(argv[0])) | |
851 | return; | |
852 | ||
853 | make_link(argv[1], argv[2]); | |
854 | } | |
855 | ||
50e1e10f | 856 | static void unlink_file_by_name(char *filename) |
3839e657 TT |
857 | { |
858 | int retval; | |
859 | ino_t dir; | |
860 | char *basename; | |
861 | ||
862 | basename = strrchr(filename, '/'); | |
863 | if (basename) { | |
fc6d9d51 | 864 | *basename++ = '\0'; |
3839e657 TT |
865 | dir = string_to_inode(filename); |
866 | if (!dir) | |
867 | return; | |
868 | } else { | |
869 | dir = cwd; | |
870 | basename = filename; | |
871 | } | |
fc6d9d51 | 872 | retval = ext2fs_unlink(current_fs, dir, basename, 0, 0); |
3839e657 TT |
873 | if (retval) |
874 | com_err("unlink_file_by_name", retval, ""); | |
875 | return; | |
876 | } | |
877 | ||
878 | void do_unlink(int argc, char *argv[]) | |
879 | { | |
880 | if (argc != 2) { | |
881 | com_err(argv[0], 0, "Usage: unlink <pathname>"); | |
882 | return; | |
883 | } | |
884 | if (check_fs_open(argv[0])) | |
885 | return; | |
886 | ||
887 | unlink_file_by_name(argv[1]); | |
888 | } | |
889 | ||
890 | void do_find_free_block(int argc, char *argv[]) | |
891 | { | |
892 | blk_t free_blk, goal; | |
893 | errcode_t retval; | |
894 | char *tmp; | |
895 | ||
50e1e10f TT |
896 | if ((argc > 2) || (argc==2 && *argv[1] == '?')) { |
897 | com_err(argv[0], 0, "Usage: find_free_block [goal]"); | |
3839e657 TT |
898 | return; |
899 | } | |
900 | if (check_fs_open(argv[0])) | |
901 | return; | |
902 | ||
903 | if (argc > 1) { | |
904 | goal = strtol(argv[1], &tmp, 0); | |
905 | if (*tmp) { | |
906 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
907 | return; | |
908 | } | |
909 | } | |
910 | else | |
fc6d9d51 | 911 | goal = current_fs->super->s_first_data_block; |
3839e657 | 912 | |
fc6d9d51 | 913 | retval = ext2fs_new_block(current_fs, goal, 0, &free_blk); |
3839e657 TT |
914 | if (retval) |
915 | com_err("ext2fs_new_block", retval, ""); | |
916 | else | |
50e1e10f | 917 | printf("Free block found: %d\n", free_blk); |
3839e657 TT |
918 | |
919 | } | |
920 | ||
921 | void do_find_free_inode(int argc, char *argv[]) | |
922 | { | |
923 | ino_t free_inode, dir; | |
924 | int mode; | |
925 | int retval; | |
926 | char *tmp; | |
927 | ||
50e1e10f TT |
928 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { |
929 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
3839e657 TT |
930 | return; |
931 | } | |
932 | if (check_fs_open(argv[0])) | |
933 | return; | |
934 | ||
935 | if (argc > 1) { | |
936 | dir = strtol(argv[1], &tmp, 0); | |
937 | if (*tmp) { | |
938 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
939 | return; | |
940 | } | |
941 | } | |
942 | else | |
943 | dir = root; | |
944 | if (argc > 2) { | |
945 | mode = strtol(argv[2], &tmp, 0); | |
946 | if (*tmp) { | |
947 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
948 | return; | |
949 | } | |
50e1e10f | 950 | } else |
3839e657 TT |
951 | mode = 010755; |
952 | ||
fc6d9d51 | 953 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); |
3839e657 TT |
954 | if (retval) |
955 | com_err("ext2fs_new_inode", retval, ""); | |
956 | else | |
957 | printf("Free inode found: %ld\n", free_inode); | |
958 | } | |
959 | ||
50e1e10f TT |
960 | static errcode_t copy_file(int fd, ino_t newfile) |
961 | { | |
5a51384e | 962 | ext2_file_t e2_file; |
50e1e10f | 963 | errcode_t retval; |
4a31c48b | 964 | unsigned int got, written; |
5a51384e TT |
965 | char buf[8192]; |
966 | char *ptr; | |
50e1e10f | 967 | |
5a51384e TT |
968 | retval = ext2fs_file_open(current_fs, newfile, |
969 | EXT2_FILE_WRITE, &e2_file); | |
50e1e10f TT |
970 | if (retval) |
971 | return retval; | |
50e1e10f | 972 | |
5a51384e TT |
973 | while (1) { |
974 | got = read(fd, buf, sizeof(buf)); | |
975 | if (got == 0) | |
976 | break; | |
977 | if (got < 0) { | |
978 | retval = errno; | |
979 | goto fail; | |
980 | } | |
981 | ptr = buf; | |
982 | while (got > 0) { | |
983 | retval = ext2fs_file_write(e2_file, ptr, | |
984 | got, &written); | |
985 | if (retval) | |
986 | goto fail; | |
987 | ||
988 | got -= written; | |
989 | ptr += written; | |
990 | } | |
991 | } | |
992 | retval = ext2fs_file_close(e2_file); | |
50e1e10f | 993 | |
5a51384e TT |
994 | return retval; |
995 | ||
996 | fail: | |
997 | (void) ext2fs_file_close(e2_file); | |
998 | return retval; | |
50e1e10f TT |
999 | } |
1000 | ||
5a51384e | 1001 | |
50e1e10f TT |
1002 | void do_write(int argc, char *argv[]) |
1003 | { | |
1004 | int fd; | |
1005 | struct stat statbuf; | |
1006 | ino_t newfile; | |
1007 | errcode_t retval; | |
1008 | struct ext2_inode inode; | |
5a51384e | 1009 | dgrp_t group; |
50e1e10f TT |
1010 | |
1011 | if (check_fs_open(argv[0])) | |
1012 | return; | |
1013 | if (argc != 3) { | |
1014 | com_err(argv[0], 0, "Usage: write <nativefile> <newfile>"); | |
1015 | return; | |
1016 | } | |
fc6d9d51 | 1017 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1018 | return; |
50e1e10f TT |
1019 | fd = open(argv[1], O_RDONLY); |
1020 | if (fd < 0) { | |
1021 | com_err(argv[1], fd, ""); | |
1022 | return; | |
1023 | } | |
1024 | if (fstat(fd, &statbuf) < 0) { | |
1025 | com_err(argv[1], errno, ""); | |
1026 | close(fd); | |
1027 | return; | |
1028 | } | |
1029 | ||
fc6d9d51 | 1030 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1031 | if (retval) { |
1032 | com_err(argv[0], retval, ""); | |
1033 | close(fd); | |
1034 | return; | |
1035 | } | |
5a51384e TT |
1036 | group = ext2fs_group_of_ino(current_fs, newfile); |
1037 | current_fs->group_desc[group].bg_free_inodes_count--; | |
1038 | current_fs->super->s_free_inodes_count--; | |
1039 | ext2fs_mark_super_dirty(current_fs); | |
50e1e10f | 1040 | printf("Allocated inode: %ld\n", newfile); |
fc6d9d51 | 1041 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, 0); |
50e1e10f TT |
1042 | if (retval) { |
1043 | com_err(argv[2], retval, ""); | |
1044 | close(fd); | |
1045 | return; | |
1046 | } | |
fc6d9d51 | 1047 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1048 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1049 | ext2fs_mark_inode_bitmap(current_fs->inode_map,newfile); |
1050 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1051 | memset(&inode, 0, sizeof(inode)); |
1052 | inode.i_mode = statbuf.st_mode; | |
1053 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1054 | inode.i_links_count = 1; | |
1055 | inode.i_size = statbuf.st_size; | |
fc6d9d51 TT |
1056 | ext2fs_write_inode(current_fs, newfile, &inode); |
1057 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f | 1058 | if (retval) { |
fc6d9d51 TT |
1059 | com_err(argv[0], retval, "while trying to write inode %d", |
1060 | inode); | |
50e1e10f TT |
1061 | close(fd); |
1062 | return; | |
1063 | } | |
1064 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1065 | retval = copy_file(fd, newfile); | |
1066 | if (retval) | |
1067 | com_err("copy_file", retval, ""); | |
1068 | } | |
1069 | close(fd); | |
1070 | } | |
1071 | ||
1072 | void do_mknod(int argc, char *argv[]) | |
1073 | { | |
1074 | unsigned long mode, major, minor, nr; | |
1075 | ino_t newfile; | |
1076 | errcode_t retval; | |
1077 | struct ext2_inode inode; | |
1078 | ||
1079 | if (check_fs_open(argv[0])) | |
1080 | return; | |
1081 | if (argc < 3 || argv[2][1]) { | |
1082 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1083 | return; | |
1084 | } | |
1085 | mode = minor = major = 0; | |
1086 | switch (argv[2][0]) { | |
1087 | case 'p': | |
1088 | mode = LINUX_S_IFIFO; | |
1089 | nr = 3; | |
1090 | break; | |
1091 | case 'c': | |
1092 | mode = LINUX_S_IFCHR; | |
1093 | nr = 5; | |
1094 | break; | |
1095 | case 'b': | |
1096 | mode = LINUX_S_IFBLK; | |
1097 | nr = 5; | |
1098 | break; | |
1099 | default: | |
1100 | nr = 0; | |
1101 | } | |
1102 | if (nr == 5) { | |
1103 | major = strtoul(argv[3], argv+3, 0); | |
1104 | minor = strtoul(argv[4], argv+4, 0); | |
1105 | if (major > 255 || minor > 255 || argv[3][0] || argv[4][0]) | |
1106 | nr = 0; | |
1107 | } | |
1108 | if (argc != nr) { | |
1109 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1110 | return; | |
1111 | } | |
fc6d9d51 | 1112 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1113 | return; |
fc6d9d51 | 1114 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1115 | if (retval) { |
1116 | com_err(argv[0], retval, ""); | |
1117 | return; | |
1118 | } | |
1119 | printf("Allocated inode: %ld\n", newfile); | |
fc6d9d51 | 1120 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, 0); |
50e1e10f TT |
1121 | if (retval) { |
1122 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
fc6d9d51 | 1123 | retval = ext2fs_expand_dir(current_fs, cwd); |
50e1e10f | 1124 | if (!retval) |
fc6d9d51 TT |
1125 | retval = ext2fs_link(current_fs, cwd, |
1126 | argv[1], newfile, 0); | |
50e1e10f TT |
1127 | } |
1128 | if (retval) { | |
1129 | com_err(argv[1], retval, ""); | |
1130 | return; | |
1131 | } | |
1132 | } | |
fc6d9d51 | 1133 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1134 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1135 | ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile); |
1136 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1137 | memset(&inode, 0, sizeof(inode)); |
1138 | inode.i_mode = mode; | |
1139 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1140 | inode.i_block[0] = major*256+minor; | |
1141 | inode.i_links_count = 1; | |
fc6d9d51 TT |
1142 | ext2fs_write_inode(current_fs, newfile, &inode); |
1143 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f TT |
1144 | if (retval) { |
1145 | com_err(argv[0], retval, "while trying to write inode %d", inode); | |
1146 | return; | |
1147 | } | |
1148 | } | |
1149 | ||
3839e657 TT |
1150 | void do_mkdir(int argc, char *argv[]) |
1151 | { | |
1152 | char *cp; | |
1153 | ino_t parent; | |
1154 | char *name; | |
1155 | errcode_t retval; | |
1156 | ||
1157 | if (check_fs_open(argv[0])) | |
1158 | return; | |
1159 | ||
1160 | if (argc != 2) { | |
1161 | com_err(argv[0], 0, "Usage: mkdir <file>"); | |
1162 | return; | |
1163 | } | |
1164 | ||
1165 | cp = strrchr(argv[1], '/'); | |
1166 | if (cp) { | |
1167 | *cp = 0; | |
1168 | parent = string_to_inode(argv[1]); | |
1169 | if (!parent) { | |
1170 | com_err(argv[1], ENOENT, ""); | |
1171 | return; | |
1172 | } | |
1173 | name = cp+1; | |
1174 | } else { | |
1175 | parent = cwd; | |
1176 | name = argv[1]; | |
1177 | } | |
1178 | ||
1179 | ||
fc6d9d51 | 1180 | retval = ext2fs_mkdir(current_fs, parent, 0, name); |
3839e657 TT |
1181 | if (retval) { |
1182 | com_err("ext2fs_mkdir", retval, ""); | |
1183 | return; | |
1184 | } | |
1185 | ||
1186 | } | |
1187 | ||
1188 | void do_rmdir(int argc, char *argv[]) | |
1189 | { | |
1190 | printf("Unimplemented\n"); | |
1191 | } | |
1192 | ||
1193 | ||
50e1e10f TT |
1194 | static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, |
1195 | int blockcnt, void *private) | |
3839e657 | 1196 | { |
50e1e10f | 1197 | printf("%d ", *blocknr); |
f3db3566 | 1198 | ext2fs_unmark_block_bitmap(fs->block_map,*blocknr); |
3839e657 TT |
1199 | return 0; |
1200 | } | |
1201 | ||
fc6d9d51 | 1202 | static void kill_file_by_inode(ino_t inode) |
3839e657 TT |
1203 | { |
1204 | struct ext2_inode inode_buf; | |
1205 | ||
fc6d9d51 | 1206 | ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 1207 | inode_buf.i_dtime = time(NULL); |
fc6d9d51 | 1208 | ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
1209 | |
1210 | printf("Kill file by inode %ld\n", inode); | |
fc6d9d51 TT |
1211 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
1212 | release_blocks_proc, NULL); | |
521e3685 | 1213 | printf("\n"); |
fc6d9d51 | 1214 | ext2fs_unmark_inode_bitmap(current_fs->inode_map, inode); |
3839e657 | 1215 | |
fc6d9d51 TT |
1216 | ext2fs_mark_bb_dirty(current_fs); |
1217 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
1218 | } |
1219 | ||
1220 | ||
1221 | void do_kill_file(int argc, char *argv[]) | |
1222 | { | |
1223 | ino_t inode_num; | |
1224 | ||
1225 | if (argc != 2) { | |
1226 | com_err(argv[0], 0, "Usage: kill_file <file>"); | |
1227 | return; | |
1228 | } | |
1229 | if (check_fs_open(argv[0])) | |
1230 | return; | |
1231 | ||
1232 | inode_num = string_to_inode(argv[1]); | |
1233 | if (!inode_num) { | |
1234 | com_err(argv[0], 0, "Cannot find file"); | |
1235 | return; | |
1236 | } | |
1237 | kill_file_by_inode(inode_num); | |
1238 | } | |
1239 | ||
1240 | void do_rm(int argc, char *argv[]) | |
1241 | { | |
1242 | int retval; | |
1243 | ino_t inode_num; | |
1244 | struct ext2_inode inode; | |
1245 | ||
1246 | if (argc != 2) { | |
1247 | com_err(argv[0], 0, "Usage: rm <filename>"); | |
1248 | return; | |
1249 | } | |
1250 | if (check_fs_open(argv[0])) | |
1251 | return; | |
1252 | ||
fc6d9d51 | 1253 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); |
3839e657 TT |
1254 | if (retval) { |
1255 | com_err(argv[0], 0, "Cannot find file"); | |
1256 | return; | |
1257 | } | |
1258 | ||
fc6d9d51 | 1259 | retval = ext2fs_read_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1260 | if (retval) { |
1261 | com_err(argv[0], retval, "while reading file's inode"); | |
1262 | return; | |
1263 | } | |
1264 | ||
50e1e10f | 1265 | if (LINUX_S_ISDIR(inode.i_mode)) { |
3839e657 TT |
1266 | com_err(argv[0], 0, "file is a directory"); |
1267 | return; | |
1268 | } | |
1269 | ||
1270 | --inode.i_links_count; | |
fc6d9d51 | 1271 | retval = ext2fs_write_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1272 | if (retval) { |
1273 | com_err(argv[0], retval, "while writing inode"); | |
1274 | return; | |
1275 | } | |
1276 | ||
1277 | unlink_file_by_name(argv[1]); | |
1278 | if (inode.i_links_count == 0) | |
1279 | kill_file_by_inode(inode_num); | |
1280 | } | |
1281 | ||
1282 | void do_show_debugfs_params(int argc, char *argv[]) | |
1283 | { | |
1284 | FILE *out = stdout; | |
1285 | ||
fc6d9d51 TT |
1286 | if (current_fs) |
1287 | fprintf(out, "Open mode: read-%s\n", | |
1288 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
3839e657 | 1289 | fprintf(out, "Filesystem in use: %s\n", |
fc6d9d51 | 1290 | current_fs ? current_fs->device_name : "--none--"); |
3839e657 TT |
1291 | } |
1292 | ||
1293 | void do_expand_dir(int argc, char *argv[]) | |
1294 | { | |
1295 | ino_t inode; | |
1296 | int retval; | |
1297 | ||
1298 | if (argc != 2) { | |
1299 | com_err(argv[0], 0, "Usage: expand_dir <file>"); | |
1300 | return; | |
1301 | } | |
1302 | if (check_fs_open(argv[0])) | |
1303 | return; | |
1304 | inode = string_to_inode(argv[1]); | |
1305 | if (!inode) | |
1306 | return; | |
1307 | ||
fc6d9d51 | 1308 | retval = ext2fs_expand_dir(current_fs, inode); |
3839e657 TT |
1309 | if (retval) |
1310 | com_err("ext2fs_expand_dir", retval, ""); | |
1311 | return; | |
1312 | } | |
1313 | ||
fc6d9d51 TT |
1314 | static int source_file(const char *cmd_file, int sci_idx) |
1315 | { | |
1316 | FILE *f; | |
1317 | char buf[256]; | |
1318 | char *cp; | |
1319 | int exit_status = 0; | |
1320 | int retval; | |
1321 | ||
1322 | if (strcmp(cmd_file, "-") == 0) | |
1323 | f = stdin; | |
1324 | else { | |
1325 | f = fopen(cmd_file, "r"); | |
1326 | if (!f) { | |
1327 | perror(cmd_file); | |
1328 | exit(1); | |
1329 | } | |
1330 | } | |
1331 | setbuf(stdout, NULL); | |
1332 | setbuf(stderr, NULL); | |
1333 | while (!feof(f)) { | |
1334 | if (fgets(buf, sizeof(buf), f) == NULL) | |
1335 | break; | |
1336 | cp = strchr(buf, '\n'); | |
1337 | if (cp) | |
1338 | *cp = 0; | |
1339 | cp = strchr(buf, '\r'); | |
1340 | if (cp) | |
1341 | *cp = 0; | |
1342 | printf("debugfs: %s\n", buf); | |
1343 | retval = ss_execute_line(sci_idx, buf); | |
1344 | if (retval) { | |
1345 | ss_perror(sci_idx, retval, buf); | |
1346 | exit_status++; | |
1347 | } | |
1348 | } | |
1349 | return exit_status; | |
1350 | } | |
1351 | ||
a8859cad | 1352 | int main(int argc, char **argv) |
3839e657 | 1353 | { |
50e1e10f TT |
1354 | int retval; |
1355 | int sci_idx; | |
521e3685 | 1356 | const char *usage = "Usage: debugfs [[-w] device]"; |
f1304811 | 1357 | int c; |
50e1e10f | 1358 | int open_flags = 0; |
fc6d9d51 TT |
1359 | char *request = 0; |
1360 | int exit_status = 0; | |
1361 | char *cmd_file = 0; | |
3839e657 TT |
1362 | |
1363 | initialize_ext2_error_table(); | |
1364 | ||
fc6d9d51 | 1365 | while ((c = getopt (argc, argv, "wR:f:")) != EOF) { |
3839e657 | 1366 | switch (c) { |
fc6d9d51 TT |
1367 | case 'R': |
1368 | request = optarg; | |
1369 | break; | |
1370 | case 'f': | |
1371 | cmd_file = optarg; | |
1372 | break; | |
3839e657 TT |
1373 | case 'w': |
1374 | open_flags = EXT2_FLAG_RW; | |
1375 | break; | |
1376 | default: | |
1377 | com_err(argv[0], 0, usage); | |
b4ac9cc3 | 1378 | return 1; |
3839e657 TT |
1379 | } |
1380 | } | |
1381 | if (optind < argc) | |
1382 | open_filesystem(argv[optind], open_flags); | |
1383 | ||
1384 | sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL, | |
1385 | &debug_cmds, &retval); | |
1386 | if (retval) { | |
1387 | ss_perror(sci_idx, retval, "creating invocation"); | |
1388 | exit(1); | |
1389 | } | |
1390 | ||
1391 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
1392 | if (retval) { | |
1393 | ss_perror(sci_idx, retval, "adding standard requests"); | |
1394 | exit (1); | |
1395 | } | |
fc6d9d51 TT |
1396 | if (request) { |
1397 | retval = 0; | |
1398 | retval = ss_execute_line(sci_idx, request); | |
1399 | if (retval) { | |
1400 | ss_perror(sci_idx, retval, request); | |
1401 | exit_status++; | |
1402 | } | |
1403 | } else if (cmd_file) { | |
1404 | exit_status = source_file(cmd_file, sci_idx); | |
1405 | } else { | |
1406 | ss_listen(sci_idx); | |
1407 | } | |
3839e657 | 1408 | |
fc6d9d51 | 1409 | if (current_fs) |
3839e657 TT |
1410 | close_filesystem(); |
1411 | ||
fc6d9d51 | 1412 | exit(exit_status); |
3839e657 TT |
1413 | } |
1414 |