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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>"; |
3839e657 TT |
77 | char c; |
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 | ||
21c84b71 TT |
251 | void do_dirty_filesys(int argc, char *argv[]) |
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); |
50e1e10f | 309 | fprintf(out, "User: %5d Group: %5d Size: %d\n", |
3839e657 | 310 | inode.i_uid, inode.i_gid, inode.i_size); |
fc6d9d51 | 311 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
312 | fprintf(out, |
313 | "File ACL: %d Directory ACL: %d Translator: %d\n", | |
314 | inode.i_file_acl, inode.i_dir_acl, | |
315 | inode.osd1.hurd1.h_i_translator); | |
316 | else | |
317 | fprintf(out, "File ACL: %d Directory ACL: %d\n", | |
318 | inode.i_file_acl, inode.i_dir_acl); | |
50e1e10f | 319 | fprintf(out, "Links: %d Blockcount: %d\n", inode.i_links_count, |
3839e657 | 320 | inode.i_blocks); |
fc6d9d51 TT |
321 | switch (os) { |
322 | case EXT2_OS_LINUX: | |
323 | frag = inode.osd2.linux2.l_i_frag; | |
324 | fsize = inode.osd2.linux2.l_i_fsize; | |
325 | break; | |
326 | case EXT2_OS_HURD: | |
327 | frag = inode.osd2.hurd2.h_i_frag; | |
328 | fsize = inode.osd2.hurd2.h_i_fsize; | |
329 | break; | |
330 | case EXT2_OS_MASIX: | |
331 | frag = inode.osd2.masix2.m_i_frag; | |
332 | fsize = inode.osd2.masix2.m_i_fsize; | |
333 | break; | |
334 | default: | |
335 | frag = fsize = 0; | |
336 | } | |
50e1e10f | 337 | fprintf(out, "Fragment: Address: %d Number: %d Size: %d\n", |
fc6d9d51 | 338 | inode.i_faddr, frag, fsize); |
50e1e10f | 339 | fprintf(out, "ctime: 0x%08x -- %s", inode.i_ctime, |
fc6d9d51 | 340 | time_to_string(inode.i_ctime)); |
50e1e10f | 341 | fprintf(out, "atime: 0x%08x -- %s", inode.i_atime, |
fc6d9d51 | 342 | time_to_string(inode.i_atime)); |
50e1e10f | 343 | fprintf(out, "mtime: 0x%08x -- %s", inode.i_mtime, |
fc6d9d51 | 344 | time_to_string(inode.i_mtime)); |
3839e657 | 345 | if (inode.i_dtime) |
50e1e10f | 346 | fprintf(out, "dtime: 0x%08x -- %s", inode.i_dtime, |
fc6d9d51 | 347 | time_to_string(inode.i_dtime)); |
50e1e10f | 348 | if (LINUX_S_ISLNK(inode.i_mode) && inode.i_blocks == 0) |
3839e657 TT |
349 | fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block); |
350 | else | |
351 | dump_blocks(out, inode_num); | |
352 | close_pager(out); | |
353 | } | |
354 | ||
355 | ||
356 | void do_stat(int argc, char *argv[]) | |
357 | { | |
358 | ino_t inode; | |
359 | struct ext2_inode inode_buf; | |
360 | int retval; | |
361 | ||
362 | if (argc != 2) { | |
363 | com_err(argv[0], 0, "Usage: stat <file>"); | |
364 | return; | |
365 | } | |
366 | if (check_fs_open(argv[0])) | |
367 | return; | |
368 | inode = string_to_inode(argv[1]); | |
369 | if (!inode) | |
370 | return; | |
371 | ||
fc6d9d51 | 372 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
373 | if (retval) |
374 | { | |
375 | com_err(argv[0], 0, "Reading inode"); | |
376 | return; | |
377 | } | |
378 | ||
379 | dump_inode(inode,inode_buf); | |
380 | return; | |
381 | } | |
382 | ||
383 | void do_chroot(int argc, char *argv[]) | |
384 | { | |
385 | ino_t inode; | |
386 | int retval; | |
387 | ||
388 | if (argc != 2) { | |
389 | com_err(argv[0], 0, "Usage: chroot <file>"); | |
390 | return; | |
391 | } | |
392 | if (check_fs_open(argv[0])) | |
393 | return; | |
394 | inode = string_to_inode(argv[1]); | |
395 | if (!inode) | |
396 | return; | |
397 | ||
fc6d9d51 | 398 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
399 | if (retval) { |
400 | com_err(argv[1], retval, ""); | |
401 | return; | |
402 | } | |
403 | root = inode; | |
404 | } | |
405 | ||
406 | void do_clri(int argc, char *argv[]) | |
407 | { | |
408 | ino_t inode; | |
409 | int retval; | |
410 | struct ext2_inode inode_buf; | |
411 | ||
412 | if (argc != 2) { | |
413 | com_err(argv[0], 0, "Usage: clri <file>"); | |
414 | return; | |
415 | } | |
416 | if (check_fs_open(argv[0])) | |
417 | return; | |
fc6d9d51 | 418 | if (check_fs_read_write(argv[0])) |
3839e657 | 419 | return; |
3839e657 TT |
420 | inode = string_to_inode(argv[1]); |
421 | if (!inode) | |
422 | return; | |
423 | ||
fc6d9d51 | 424 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
425 | if (retval) { |
426 | com_err(argv[0], 0, "while trying to read inode %d", inode); | |
427 | return; | |
428 | } | |
429 | memset(&inode_buf, 0, sizeof(inode_buf)); | |
fc6d9d51 | 430 | retval = ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
431 | if (retval) { |
432 | com_err(argv[0], retval, "while trying to write inode %d", | |
433 | inode); | |
434 | return; | |
435 | } | |
436 | } | |
437 | ||
438 | void do_freei(int argc, char *argv[]) | |
439 | { | |
440 | ino_t inode; | |
441 | ||
442 | if (argc != 2) { | |
443 | com_err(argv[0], 0, "Usage: freei <file>"); | |
444 | return; | |
445 | } | |
446 | if (check_fs_open(argv[0])) | |
447 | return; | |
fc6d9d51 | 448 | if (check_fs_read_write(argv[0])) |
3839e657 | 449 | return; |
3839e657 TT |
450 | inode = string_to_inode(argv[1]); |
451 | if (!inode) | |
452 | return; | |
453 | ||
fc6d9d51 | 454 | if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 455 | com_err(argv[0], 0, "Warning: inode already clear"); |
fc6d9d51 TT |
456 | ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode); |
457 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
458 | } |
459 | ||
460 | void do_seti(int argc, char *argv[]) | |
461 | { | |
462 | ino_t inode; | |
463 | ||
464 | if (argc != 2) { | |
465 | com_err(argv[0], 0, "Usage: seti <file>"); | |
466 | return; | |
467 | } | |
468 | if (check_fs_open(argv[0])) | |
469 | return; | |
fc6d9d51 | 470 | if (check_fs_read_write(argv[0])) |
3839e657 | 471 | return; |
3839e657 TT |
472 | inode = string_to_inode(argv[1]); |
473 | if (!inode) | |
474 | return; | |
475 | ||
fc6d9d51 | 476 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 477 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
478 | ext2fs_mark_inode_bitmap(current_fs->inode_map,inode); |
479 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
480 | } |
481 | ||
482 | void do_testi(int argc, char *argv[]) | |
483 | { | |
484 | ino_t inode; | |
485 | ||
486 | if (argc != 2) { | |
487 | com_err(argv[0], 0, "Usage: testi <file>"); | |
488 | return; | |
489 | } | |
490 | if (check_fs_open(argv[0])) | |
491 | return; | |
492 | inode = string_to_inode(argv[1]); | |
493 | if (!inode) | |
494 | return; | |
495 | ||
fc6d9d51 | 496 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 TT |
497 | printf("Inode %ld is marked in use\n", inode); |
498 | else | |
499 | printf("Inode %ld is not in use\n", inode); | |
500 | } | |
501 | ||
502 | ||
503 | void do_freeb(int argc, char *argv[]) | |
504 | { | |
505 | blk_t block; | |
506 | char *tmp; | |
507 | ||
508 | if (argc != 2) { | |
509 | com_err(argv[0], 0, "Usage: freeb <block>"); | |
510 | return; | |
511 | } | |
512 | if (check_fs_open(argv[0])) | |
513 | return; | |
fc6d9d51 | 514 | if (check_fs_read_write(argv[0])) |
3839e657 | 515 | return; |
3839e657 TT |
516 | block = strtoul(argv[1], &tmp, 0); |
517 | if (!block || *tmp) { | |
518 | com_err(argv[0], 0, "No block 0"); | |
519 | return; | |
520 | } | |
fc6d9d51 | 521 | if (!ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 522 | com_err(argv[0], 0, "Warning: block already clear"); |
fc6d9d51 TT |
523 | ext2fs_unmark_block_bitmap(current_fs->block_map,block); |
524 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
525 | } |
526 | ||
527 | void do_setb(int argc, char *argv[]) | |
528 | { | |
529 | blk_t block; | |
530 | char *tmp; | |
531 | ||
532 | if (argc != 2) { | |
533 | com_err(argv[0], 0, "Usage: setb <block>"); | |
534 | return; | |
535 | } | |
536 | if (check_fs_open(argv[0])) | |
537 | return; | |
fc6d9d51 | 538 | if (check_fs_read_write(argv[0])) |
3839e657 | 539 | return; |
3839e657 TT |
540 | block = strtoul(argv[1], &tmp, 0); |
541 | if (!block || *tmp) { | |
542 | com_err(argv[0], 0, "No block 0"); | |
543 | return; | |
544 | } | |
fc6d9d51 | 545 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 546 | com_err(argv[0], 0, "Warning: block already set"); |
fc6d9d51 TT |
547 | ext2fs_mark_block_bitmap(current_fs->block_map,block); |
548 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
549 | } |
550 | ||
551 | void do_testb(int argc, char *argv[]) | |
552 | { | |
553 | blk_t block; | |
554 | char *tmp; | |
555 | ||
556 | if (argc != 2) { | |
557 | com_err(argv[0], 0, "Usage: testb <block>"); | |
558 | return; | |
559 | } | |
560 | if (check_fs_open(argv[0])) | |
561 | return; | |
562 | block = strtoul(argv[1], &tmp, 0); | |
563 | if (!block || *tmp) { | |
564 | com_err(argv[0], 0, "No block 0"); | |
565 | return; | |
566 | } | |
fc6d9d51 | 567 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
50e1e10f TT |
568 | printf("Block %d marked in use\n", block); |
569 | else printf("Block %d not in use\n", block); | |
3839e657 TT |
570 | } |
571 | ||
50e1e10f TT |
572 | static void modify_u8(char *com, const char *prompt, |
573 | const char *format, __u8 *val) | |
3839e657 TT |
574 | { |
575 | char buf[200]; | |
21c84b71 | 576 | unsigned long v; |
3839e657 TT |
577 | char *tmp; |
578 | ||
579 | sprintf(buf, format, *val); | |
580 | printf("%30s [%s] ", prompt, buf); | |
581 | fgets(buf, sizeof(buf), stdin); | |
582 | if (buf[strlen (buf) - 1] == '\n') | |
583 | buf[strlen (buf) - 1] = '\0'; | |
584 | if (!buf[0]) | |
585 | return; | |
21c84b71 | 586 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
587 | if (*tmp) |
588 | com_err(com, 0, "Bad value - %s", buf); | |
589 | else | |
590 | *val = v; | |
591 | } | |
592 | ||
50e1e10f TT |
593 | static void modify_u16(char *com, const char *prompt, |
594 | const char *format, __u16 *val) | |
3839e657 TT |
595 | { |
596 | char buf[200]; | |
21c84b71 | 597 | unsigned long v; |
3839e657 TT |
598 | char *tmp; |
599 | ||
600 | sprintf(buf, format, *val); | |
601 | printf("%30s [%s] ", prompt, buf); | |
602 | fgets(buf, sizeof(buf), stdin); | |
603 | if (buf[strlen (buf) - 1] == '\n') | |
604 | buf[strlen (buf) - 1] = '\0'; | |
605 | if (!buf[0]) | |
606 | return; | |
21c84b71 | 607 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
608 | if (*tmp) |
609 | com_err(com, 0, "Bad value - %s", buf); | |
610 | else | |
611 | *val = v; | |
612 | } | |
613 | ||
50e1e10f TT |
614 | static void modify_u32(char *com, const char *prompt, |
615 | const char *format, __u32 *val) | |
3839e657 TT |
616 | { |
617 | char buf[200]; | |
21c84b71 | 618 | unsigned long v; |
3839e657 TT |
619 | char *tmp; |
620 | ||
621 | sprintf(buf, format, *val); | |
622 | printf("%30s [%s] ", prompt, buf); | |
623 | fgets(buf, sizeof(buf), stdin); | |
624 | if (buf[strlen (buf) - 1] == '\n') | |
625 | buf[strlen (buf) - 1] = '\0'; | |
626 | if (!buf[0]) | |
627 | return; | |
21c84b71 | 628 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
629 | if (*tmp) |
630 | com_err(com, 0, "Bad value - %s", buf); | |
631 | else | |
632 | *val = v; | |
633 | } | |
634 | ||
635 | ||
636 | void do_modify_inode(int argc, char *argv[]) | |
637 | { | |
638 | struct ext2_inode inode; | |
639 | ino_t inode_num; | |
640 | int i; | |
641 | errcode_t retval; | |
fc6d9d51 | 642 | unsigned char *frag, *fsize; |
3839e657 | 643 | char buf[80]; |
fc6d9d51 | 644 | int os = current_fs->super->s_creator_os; |
50e1e10f TT |
645 | const char *hex_format = "0x%x"; |
646 | const char *octal_format = "0%o"; | |
647 | const char *decimal_format = "%d"; | |
3839e657 TT |
648 | |
649 | if (argc != 2) { | |
650 | com_err(argv[0], 0, "Usage: modify_inode <file>"); | |
651 | return; | |
652 | } | |
653 | if (check_fs_open(argv[0])) | |
654 | return; | |
fc6d9d51 | 655 | if (check_fs_read_write(argv[0])) |
3839e657 | 656 | return; |
3839e657 TT |
657 | |
658 | inode_num = string_to_inode(argv[1]); | |
659 | if (!inode_num) | |
660 | return; | |
661 | ||
fc6d9d51 | 662 | retval = ext2fs_read_inode(current_fs, inode_num, &inode); |
3839e657 TT |
663 | if (retval) { |
664 | com_err(argv[1], retval, "while trying to read inode %d", | |
665 | inode_num); | |
666 | return; | |
667 | } | |
668 | ||
50e1e10f TT |
669 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); |
670 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
671 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
672 | modify_u32(argv[0], "Size", decimal_format, &inode.i_size); | |
673 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); | |
674 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
675 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
676 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
677 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
678 | modify_u32(argv[0], "Block count", decimal_format, &inode.i_blocks); | |
679 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); | |
680 | #if 0 | |
681 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
682 | #endif | |
683 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
684 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
62c06f79 | 685 | |
fc6d9d51 | 686 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
687 | modify_u32(argv[0], "Translator Block", |
688 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
689 | ||
50e1e10f | 690 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); |
fc6d9d51 TT |
691 | switch (os) { |
692 | case EXT2_OS_LINUX: | |
693 | frag = &inode.osd2.linux2.l_i_frag; | |
694 | fsize = &inode.osd2.linux2.l_i_fsize; | |
695 | break; | |
696 | case EXT2_OS_HURD: | |
697 | frag = &inode.osd2.hurd2.h_i_frag; | |
698 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
699 | break; | |
700 | case EXT2_OS_MASIX: | |
701 | frag = &inode.osd2.masix2.m_i_frag; | |
702 | fsize = &inode.osd2.masix2.m_i_fsize; | |
703 | break; | |
704 | default: | |
705 | frag = fsize = 0; | |
706 | } | |
707 | if (frag) | |
708 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
709 | if (fsize) | |
710 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
711 | ||
3839e657 TT |
712 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { |
713 | sprintf(buf, "Direct Block #%d", i); | |
50e1e10f | 714 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); |
3839e657 | 715 | } |
50e1e10f | 716 | modify_u32(argv[0], "Indirect Block", decimal_format, |
3839e657 | 717 | &inode.i_block[EXT2_IND_BLOCK]); |
50e1e10f | 718 | modify_u32(argv[0], "Double Indirect Block", decimal_format, |
3839e657 | 719 | &inode.i_block[EXT2_DIND_BLOCK]); |
50e1e10f | 720 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, |
3839e657 | 721 | &inode.i_block[EXT2_TIND_BLOCK]); |
fc6d9d51 | 722 | retval = ext2fs_write_inode(current_fs, inode_num, &inode); |
3839e657 TT |
723 | if (retval) { |
724 | com_err(argv[1], retval, "while trying to write inode %d", | |
725 | inode_num); | |
726 | return; | |
727 | } | |
728 | } | |
729 | ||
3839e657 TT |
730 | void do_change_working_dir(int argc, char *argv[]) |
731 | { | |
732 | ino_t inode; | |
733 | int retval; | |
734 | ||
735 | if (argc != 2) { | |
736 | com_err(argv[0], 0, "Usage: cd <file>"); | |
737 | return; | |
738 | } | |
739 | if (check_fs_open(argv[0])) | |
740 | return; | |
741 | ||
742 | inode = string_to_inode(argv[1]); | |
743 | if (!inode) | |
744 | return; | |
745 | ||
fc6d9d51 | 746 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
747 | if (retval) { |
748 | com_err(argv[1], retval, ""); | |
749 | return; | |
750 | } | |
751 | cwd = inode; | |
752 | return; | |
753 | } | |
754 | ||
3839e657 TT |
755 | void do_print_working_directory(int argc, char *argv[]) |
756 | { | |
757 | int retval; | |
758 | char *pathname = NULL; | |
759 | ||
760 | if (argc > 1) { | |
761 | com_err(argv[0], 0, "Usage: print_working_directory"); | |
762 | return; | |
763 | } | |
764 | if (check_fs_open(argv[0])) | |
765 | return; | |
766 | ||
fc6d9d51 | 767 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); |
3839e657 TT |
768 | if (retval) { |
769 | com_err(argv[0], retval, | |
770 | "while trying to get pathname of cwd"); | |
771 | } | |
772 | printf("[pwd] INODE: %6ld PATH: %s\n", cwd, pathname); | |
773 | free(pathname); | |
fc6d9d51 | 774 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); |
3839e657 TT |
775 | if (retval) { |
776 | com_err(argv[0], retval, | |
777 | "while trying to get pathname of root"); | |
778 | } | |
779 | printf("[root] INODE: %6ld PATH: %s\n", root, pathname); | |
780 | free(pathname); | |
781 | return; | |
782 | } | |
783 | ||
50e1e10f | 784 | static void make_link(char *sourcename, char *destname) |
3839e657 TT |
785 | { |
786 | ino_t inode; | |
787 | int retval; | |
788 | ino_t dir; | |
789 | char *dest, *cp, *basename; | |
790 | ||
791 | /* | |
792 | * Get the source inode | |
793 | */ | |
794 | inode = string_to_inode(sourcename); | |
795 | if (!inode) | |
796 | return; | |
797 | basename = strrchr(sourcename, '/'); | |
798 | if (basename) | |
799 | basename++; | |
800 | else | |
801 | basename = sourcename; | |
802 | /* | |
803 | * Figure out the destination. First see if it exists and is | |
804 | * a directory. | |
805 | */ | |
fc6d9d51 | 806 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) |
3839e657 TT |
807 | dest = basename; |
808 | else { | |
809 | /* | |
810 | * OK, it doesn't exist. See if it is | |
811 | * '<dir>/basename' or 'basename' | |
812 | */ | |
813 | cp = strrchr(destname, '/'); | |
814 | if (cp) { | |
815 | *cp = 0; | |
816 | dir = string_to_inode(destname); | |
817 | if (!dir) | |
818 | return; | |
819 | dest = cp+1; | |
820 | } else { | |
821 | dir = cwd; | |
822 | dest = destname; | |
823 | } | |
824 | } | |
825 | ||
fc6d9d51 | 826 | retval = ext2fs_link(current_fs, dir, dest, inode, 0); |
3839e657 TT |
827 | if (retval) |
828 | com_err("make_link", retval, ""); | |
829 | return; | |
830 | } | |
831 | ||
832 | ||
833 | void do_link(int argc, char *argv[]) | |
834 | { | |
835 | if (argc != 3) { | |
836 | com_err(argv[0], 0, "Usage: link <source_file> <dest_name>"); | |
837 | return; | |
838 | } | |
839 | if (check_fs_open(argv[0])) | |
840 | return; | |
841 | ||
842 | make_link(argv[1], argv[2]); | |
843 | } | |
844 | ||
50e1e10f | 845 | static void unlink_file_by_name(char *filename) |
3839e657 TT |
846 | { |
847 | int retval; | |
848 | ino_t dir; | |
849 | char *basename; | |
850 | ||
851 | basename = strrchr(filename, '/'); | |
852 | if (basename) { | |
fc6d9d51 | 853 | *basename++ = '\0'; |
3839e657 TT |
854 | dir = string_to_inode(filename); |
855 | if (!dir) | |
856 | return; | |
857 | } else { | |
858 | dir = cwd; | |
859 | basename = filename; | |
860 | } | |
fc6d9d51 | 861 | retval = ext2fs_unlink(current_fs, dir, basename, 0, 0); |
3839e657 TT |
862 | if (retval) |
863 | com_err("unlink_file_by_name", retval, ""); | |
864 | return; | |
865 | } | |
866 | ||
867 | void do_unlink(int argc, char *argv[]) | |
868 | { | |
869 | if (argc != 2) { | |
870 | com_err(argv[0], 0, "Usage: unlink <pathname>"); | |
871 | return; | |
872 | } | |
873 | if (check_fs_open(argv[0])) | |
874 | return; | |
875 | ||
876 | unlink_file_by_name(argv[1]); | |
877 | } | |
878 | ||
879 | void do_find_free_block(int argc, char *argv[]) | |
880 | { | |
881 | blk_t free_blk, goal; | |
882 | errcode_t retval; | |
883 | char *tmp; | |
884 | ||
50e1e10f TT |
885 | if ((argc > 2) || (argc==2 && *argv[1] == '?')) { |
886 | com_err(argv[0], 0, "Usage: find_free_block [goal]"); | |
3839e657 TT |
887 | return; |
888 | } | |
889 | if (check_fs_open(argv[0])) | |
890 | return; | |
891 | ||
892 | if (argc > 1) { | |
893 | goal = strtol(argv[1], &tmp, 0); | |
894 | if (*tmp) { | |
895 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
896 | return; | |
897 | } | |
898 | } | |
899 | else | |
fc6d9d51 | 900 | goal = current_fs->super->s_first_data_block; |
3839e657 | 901 | |
fc6d9d51 | 902 | retval = ext2fs_new_block(current_fs, goal, 0, &free_blk); |
3839e657 TT |
903 | if (retval) |
904 | com_err("ext2fs_new_block", retval, ""); | |
905 | else | |
50e1e10f | 906 | printf("Free block found: %d\n", free_blk); |
3839e657 TT |
907 | |
908 | } | |
909 | ||
910 | void do_find_free_inode(int argc, char *argv[]) | |
911 | { | |
912 | ino_t free_inode, dir; | |
913 | int mode; | |
914 | int retval; | |
915 | char *tmp; | |
916 | ||
50e1e10f TT |
917 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { |
918 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
3839e657 TT |
919 | return; |
920 | } | |
921 | if (check_fs_open(argv[0])) | |
922 | return; | |
923 | ||
924 | if (argc > 1) { | |
925 | dir = strtol(argv[1], &tmp, 0); | |
926 | if (*tmp) { | |
927 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
928 | return; | |
929 | } | |
930 | } | |
931 | else | |
932 | dir = root; | |
933 | if (argc > 2) { | |
934 | mode = strtol(argv[2], &tmp, 0); | |
935 | if (*tmp) { | |
936 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
937 | return; | |
938 | } | |
50e1e10f | 939 | } else |
3839e657 TT |
940 | mode = 010755; |
941 | ||
fc6d9d51 | 942 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); |
3839e657 TT |
943 | if (retval) |
944 | com_err("ext2fs_new_inode", retval, ""); | |
945 | else | |
946 | printf("Free inode found: %ld\n", free_inode); | |
947 | } | |
948 | ||
50e1e10f TT |
949 | struct copy_file_struct { |
950 | unsigned long size; | |
951 | int done, fd, blocks; | |
952 | errcode_t err; | |
953 | }; | |
954 | ||
fc6d9d51 | 955 | static int copy_file_proc(ext2_filsys to_fs, |
50e1e10f TT |
956 | blk_t *blocknr, |
957 | int blockcnt, | |
958 | void *private) | |
959 | { | |
960 | struct copy_file_struct *cs = (struct copy_file_struct *) private; | |
961 | blk_t new_blk; | |
962 | static blk_t last_blk = 0; | |
963 | char *block; | |
964 | errcode_t retval; | |
965 | int group; | |
966 | int nr; | |
967 | ||
968 | if (*blocknr) { | |
969 | new_blk = *blocknr; | |
970 | } else { | |
fc6d9d51 | 971 | retval = ext2fs_new_block(to_fs, last_blk, 0, &new_blk); |
50e1e10f TT |
972 | if (retval) { |
973 | cs->err = retval; | |
974 | return BLOCK_ABORT; | |
975 | } | |
976 | } | |
977 | last_blk = new_blk; | |
fc6d9d51 | 978 | block = malloc(to_fs->blocksize); |
50e1e10f TT |
979 | if (!block) { |
980 | cs->err = ENOMEM; | |
981 | return BLOCK_ABORT; | |
982 | } | |
983 | if (blockcnt >= 0) { | |
fc6d9d51 | 984 | nr = read(cs->fd, block, to_fs->blocksize); |
50e1e10f | 985 | } else { |
fc6d9d51 | 986 | nr = to_fs->blocksize; |
50e1e10f TT |
987 | memset(block, 0, nr); |
988 | } | |
989 | if (nr == 0) { | |
990 | cs->done = 1; | |
991 | return BLOCK_ABORT; | |
992 | } | |
993 | if (nr < 0) { | |
994 | cs->err = nr; | |
995 | return BLOCK_ABORT; | |
996 | } | |
fc6d9d51 | 997 | retval = io_channel_write_blk(to_fs->io, new_blk, 1, block); |
50e1e10f TT |
998 | if (retval) { |
999 | cs->err = retval; | |
1000 | return BLOCK_ABORT; | |
1001 | } | |
1002 | free(block); | |
1003 | if (blockcnt >= 0) | |
1004 | cs->size += nr; | |
fc6d9d51 | 1005 | cs->blocks += to_fs->blocksize / 512; |
50e1e10f TT |
1006 | printf("%ld(%d) ", cs->size, blockcnt); |
1007 | fflush(stdout); | |
fc6d9d51 | 1008 | if (nr < to_fs->blocksize) { |
50e1e10f TT |
1009 | cs->done = 1; |
1010 | printf("\n"); | |
1011 | } | |
1012 | *blocknr = new_blk; | |
fc6d9d51 TT |
1013 | ext2fs_mark_block_bitmap(to_fs->block_map, new_blk); |
1014 | ext2fs_mark_bb_dirty(to_fs); | |
1015 | group = ext2fs_group_of_blk(to_fs, new_blk); | |
1016 | to_fs->group_desc[group].bg_free_blocks_count--; | |
1017 | to_fs->super->s_free_blocks_count--; | |
1018 | ext2fs_mark_super_dirty(to_fs); | |
50e1e10f TT |
1019 | if (cs->done) |
1020 | return (BLOCK_CHANGED | BLOCK_ABORT); | |
1021 | else | |
1022 | return BLOCK_CHANGED; | |
1023 | } | |
1024 | ||
1025 | static errcode_t copy_file(int fd, ino_t newfile) | |
1026 | { | |
1027 | errcode_t retval; | |
1028 | struct copy_file_struct cs; | |
1029 | struct ext2_inode inode; | |
1030 | ||
1031 | cs.fd = fd; | |
1032 | cs.done = 0; | |
1033 | cs.err = 0; | |
1034 | cs.size = 0; | |
1035 | cs.blocks = 0; | |
1036 | ||
fc6d9d51 TT |
1037 | retval = ext2fs_block_iterate(current_fs, newfile, |
1038 | BLOCK_FLAG_APPEND, | |
50e1e10f TT |
1039 | 0, copy_file_proc, &cs); |
1040 | ||
1041 | if (cs.err) | |
1042 | return cs.err; | |
1043 | if (!cs.done) | |
1044 | return EXT2_ET_EXPAND_DIR_ERR; | |
1045 | ||
1046 | /* | |
1047 | * Update the size and block count fields in the inode. | |
1048 | */ | |
fc6d9d51 | 1049 | retval = ext2fs_read_inode(current_fs, newfile, &inode); |
50e1e10f TT |
1050 | if (retval) |
1051 | return retval; | |
1052 | ||
1053 | inode.i_blocks += cs.blocks; | |
1054 | ||
fc6d9d51 | 1055 | retval = ext2fs_write_inode(current_fs, newfile, &inode); |
50e1e10f TT |
1056 | if (retval) |
1057 | return retval; | |
1058 | ||
1059 | return 0; | |
1060 | } | |
1061 | ||
1062 | void do_write(int argc, char *argv[]) | |
1063 | { | |
1064 | int fd; | |
1065 | struct stat statbuf; | |
1066 | ino_t newfile; | |
1067 | errcode_t retval; | |
1068 | struct ext2_inode inode; | |
1069 | ||
1070 | if (check_fs_open(argv[0])) | |
1071 | return; | |
1072 | if (argc != 3) { | |
1073 | com_err(argv[0], 0, "Usage: write <nativefile> <newfile>"); | |
1074 | return; | |
1075 | } | |
fc6d9d51 | 1076 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1077 | return; |
50e1e10f TT |
1078 | fd = open(argv[1], O_RDONLY); |
1079 | if (fd < 0) { | |
1080 | com_err(argv[1], fd, ""); | |
1081 | return; | |
1082 | } | |
1083 | if (fstat(fd, &statbuf) < 0) { | |
1084 | com_err(argv[1], errno, ""); | |
1085 | close(fd); | |
1086 | return; | |
1087 | } | |
1088 | ||
fc6d9d51 | 1089 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1090 | if (retval) { |
1091 | com_err(argv[0], retval, ""); | |
1092 | close(fd); | |
1093 | return; | |
1094 | } | |
1095 | printf("Allocated inode: %ld\n", newfile); | |
fc6d9d51 | 1096 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, 0); |
50e1e10f TT |
1097 | if (retval) { |
1098 | com_err(argv[2], retval, ""); | |
1099 | close(fd); | |
1100 | return; | |
1101 | } | |
fc6d9d51 | 1102 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1103 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1104 | ext2fs_mark_inode_bitmap(current_fs->inode_map,newfile); |
1105 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1106 | memset(&inode, 0, sizeof(inode)); |
1107 | inode.i_mode = statbuf.st_mode; | |
1108 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1109 | inode.i_links_count = 1; | |
1110 | inode.i_size = statbuf.st_size; | |
fc6d9d51 TT |
1111 | ext2fs_write_inode(current_fs, newfile, &inode); |
1112 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f | 1113 | if (retval) { |
fc6d9d51 TT |
1114 | com_err(argv[0], retval, "while trying to write inode %d", |
1115 | inode); | |
50e1e10f TT |
1116 | close(fd); |
1117 | return; | |
1118 | } | |
1119 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1120 | retval = copy_file(fd, newfile); | |
1121 | if (retval) | |
1122 | com_err("copy_file", retval, ""); | |
1123 | } | |
1124 | close(fd); | |
1125 | } | |
1126 | ||
1127 | void do_mknod(int argc, char *argv[]) | |
1128 | { | |
1129 | unsigned long mode, major, minor, nr; | |
1130 | ino_t newfile; | |
1131 | errcode_t retval; | |
1132 | struct ext2_inode inode; | |
1133 | ||
1134 | if (check_fs_open(argv[0])) | |
1135 | return; | |
1136 | if (argc < 3 || argv[2][1]) { | |
1137 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1138 | return; | |
1139 | } | |
1140 | mode = minor = major = 0; | |
1141 | switch (argv[2][0]) { | |
1142 | case 'p': | |
1143 | mode = LINUX_S_IFIFO; | |
1144 | nr = 3; | |
1145 | break; | |
1146 | case 'c': | |
1147 | mode = LINUX_S_IFCHR; | |
1148 | nr = 5; | |
1149 | break; | |
1150 | case 'b': | |
1151 | mode = LINUX_S_IFBLK; | |
1152 | nr = 5; | |
1153 | break; | |
1154 | default: | |
1155 | nr = 0; | |
1156 | } | |
1157 | if (nr == 5) { | |
1158 | major = strtoul(argv[3], argv+3, 0); | |
1159 | minor = strtoul(argv[4], argv+4, 0); | |
1160 | if (major > 255 || minor > 255 || argv[3][0] || argv[4][0]) | |
1161 | nr = 0; | |
1162 | } | |
1163 | if (argc != nr) { | |
1164 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1165 | return; | |
1166 | } | |
fc6d9d51 | 1167 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1168 | return; |
fc6d9d51 | 1169 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1170 | if (retval) { |
1171 | com_err(argv[0], retval, ""); | |
1172 | return; | |
1173 | } | |
1174 | printf("Allocated inode: %ld\n", newfile); | |
fc6d9d51 | 1175 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, 0); |
50e1e10f TT |
1176 | if (retval) { |
1177 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
fc6d9d51 | 1178 | retval = ext2fs_expand_dir(current_fs, cwd); |
50e1e10f | 1179 | if (!retval) |
fc6d9d51 TT |
1180 | retval = ext2fs_link(current_fs, cwd, |
1181 | argv[1], newfile, 0); | |
50e1e10f TT |
1182 | } |
1183 | if (retval) { | |
1184 | com_err(argv[1], retval, ""); | |
1185 | return; | |
1186 | } | |
1187 | } | |
fc6d9d51 | 1188 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1189 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1190 | ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile); |
1191 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1192 | memset(&inode, 0, sizeof(inode)); |
1193 | inode.i_mode = mode; | |
1194 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1195 | inode.i_block[0] = major*256+minor; | |
1196 | inode.i_links_count = 1; | |
fc6d9d51 TT |
1197 | ext2fs_write_inode(current_fs, newfile, &inode); |
1198 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f TT |
1199 | if (retval) { |
1200 | com_err(argv[0], retval, "while trying to write inode %d", inode); | |
1201 | return; | |
1202 | } | |
1203 | } | |
1204 | ||
3839e657 TT |
1205 | void do_mkdir(int argc, char *argv[]) |
1206 | { | |
1207 | char *cp; | |
1208 | ino_t parent; | |
1209 | char *name; | |
1210 | errcode_t retval; | |
1211 | ||
1212 | if (check_fs_open(argv[0])) | |
1213 | return; | |
1214 | ||
1215 | if (argc != 2) { | |
1216 | com_err(argv[0], 0, "Usage: mkdir <file>"); | |
1217 | return; | |
1218 | } | |
1219 | ||
1220 | cp = strrchr(argv[1], '/'); | |
1221 | if (cp) { | |
1222 | *cp = 0; | |
1223 | parent = string_to_inode(argv[1]); | |
1224 | if (!parent) { | |
1225 | com_err(argv[1], ENOENT, ""); | |
1226 | return; | |
1227 | } | |
1228 | name = cp+1; | |
1229 | } else { | |
1230 | parent = cwd; | |
1231 | name = argv[1]; | |
1232 | } | |
1233 | ||
1234 | ||
fc6d9d51 | 1235 | retval = ext2fs_mkdir(current_fs, parent, 0, name); |
3839e657 TT |
1236 | if (retval) { |
1237 | com_err("ext2fs_mkdir", retval, ""); | |
1238 | return; | |
1239 | } | |
1240 | ||
1241 | } | |
1242 | ||
1243 | void do_rmdir(int argc, char *argv[]) | |
1244 | { | |
1245 | printf("Unimplemented\n"); | |
1246 | } | |
1247 | ||
1248 | ||
50e1e10f TT |
1249 | static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, |
1250 | int blockcnt, void *private) | |
3839e657 | 1251 | { |
50e1e10f | 1252 | printf("%d ", *blocknr); |
f3db3566 | 1253 | ext2fs_unmark_block_bitmap(fs->block_map,*blocknr); |
3839e657 TT |
1254 | return 0; |
1255 | } | |
1256 | ||
fc6d9d51 | 1257 | static void kill_file_by_inode(ino_t inode) |
3839e657 TT |
1258 | { |
1259 | struct ext2_inode inode_buf; | |
1260 | ||
fc6d9d51 | 1261 | ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 1262 | inode_buf.i_dtime = time(NULL); |
fc6d9d51 | 1263 | ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
1264 | |
1265 | printf("Kill file by inode %ld\n", inode); | |
fc6d9d51 TT |
1266 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
1267 | release_blocks_proc, NULL); | |
521e3685 | 1268 | printf("\n"); |
fc6d9d51 | 1269 | ext2fs_unmark_inode_bitmap(current_fs->inode_map, inode); |
3839e657 | 1270 | |
fc6d9d51 TT |
1271 | ext2fs_mark_bb_dirty(current_fs); |
1272 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
1273 | } |
1274 | ||
1275 | ||
1276 | void do_kill_file(int argc, char *argv[]) | |
1277 | { | |
1278 | ino_t inode_num; | |
1279 | ||
1280 | if (argc != 2) { | |
1281 | com_err(argv[0], 0, "Usage: kill_file <file>"); | |
1282 | return; | |
1283 | } | |
1284 | if (check_fs_open(argv[0])) | |
1285 | return; | |
1286 | ||
1287 | inode_num = string_to_inode(argv[1]); | |
1288 | if (!inode_num) { | |
1289 | com_err(argv[0], 0, "Cannot find file"); | |
1290 | return; | |
1291 | } | |
1292 | kill_file_by_inode(inode_num); | |
1293 | } | |
1294 | ||
1295 | void do_rm(int argc, char *argv[]) | |
1296 | { | |
1297 | int retval; | |
1298 | ino_t inode_num; | |
1299 | struct ext2_inode inode; | |
1300 | ||
1301 | if (argc != 2) { | |
1302 | com_err(argv[0], 0, "Usage: rm <filename>"); | |
1303 | return; | |
1304 | } | |
1305 | if (check_fs_open(argv[0])) | |
1306 | return; | |
1307 | ||
fc6d9d51 | 1308 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); |
3839e657 TT |
1309 | if (retval) { |
1310 | com_err(argv[0], 0, "Cannot find file"); | |
1311 | return; | |
1312 | } | |
1313 | ||
fc6d9d51 | 1314 | retval = ext2fs_read_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1315 | if (retval) { |
1316 | com_err(argv[0], retval, "while reading file's inode"); | |
1317 | return; | |
1318 | } | |
1319 | ||
50e1e10f | 1320 | if (LINUX_S_ISDIR(inode.i_mode)) { |
3839e657 TT |
1321 | com_err(argv[0], 0, "file is a directory"); |
1322 | return; | |
1323 | } | |
1324 | ||
1325 | --inode.i_links_count; | |
fc6d9d51 | 1326 | retval = ext2fs_write_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1327 | if (retval) { |
1328 | com_err(argv[0], retval, "while writing inode"); | |
1329 | return; | |
1330 | } | |
1331 | ||
1332 | unlink_file_by_name(argv[1]); | |
1333 | if (inode.i_links_count == 0) | |
1334 | kill_file_by_inode(inode_num); | |
1335 | } | |
1336 | ||
1337 | void do_show_debugfs_params(int argc, char *argv[]) | |
1338 | { | |
1339 | FILE *out = stdout; | |
1340 | ||
fc6d9d51 TT |
1341 | if (current_fs) |
1342 | fprintf(out, "Open mode: read-%s\n", | |
1343 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
3839e657 | 1344 | fprintf(out, "Filesystem in use: %s\n", |
fc6d9d51 | 1345 | current_fs ? current_fs->device_name : "--none--"); |
3839e657 TT |
1346 | } |
1347 | ||
1348 | void do_expand_dir(int argc, char *argv[]) | |
1349 | { | |
1350 | ino_t inode; | |
1351 | int retval; | |
1352 | ||
1353 | if (argc != 2) { | |
1354 | com_err(argv[0], 0, "Usage: expand_dir <file>"); | |
1355 | return; | |
1356 | } | |
1357 | if (check_fs_open(argv[0])) | |
1358 | return; | |
1359 | inode = string_to_inode(argv[1]); | |
1360 | if (!inode) | |
1361 | return; | |
1362 | ||
fc6d9d51 | 1363 | retval = ext2fs_expand_dir(current_fs, inode); |
3839e657 TT |
1364 | if (retval) |
1365 | com_err("ext2fs_expand_dir", retval, ""); | |
1366 | return; | |
1367 | } | |
1368 | ||
fc6d9d51 TT |
1369 | static int source_file(const char *cmd_file, int sci_idx) |
1370 | { | |
1371 | FILE *f; | |
1372 | char buf[256]; | |
1373 | char *cp; | |
1374 | int exit_status = 0; | |
1375 | int retval; | |
1376 | ||
1377 | if (strcmp(cmd_file, "-") == 0) | |
1378 | f = stdin; | |
1379 | else { | |
1380 | f = fopen(cmd_file, "r"); | |
1381 | if (!f) { | |
1382 | perror(cmd_file); | |
1383 | exit(1); | |
1384 | } | |
1385 | } | |
1386 | setbuf(stdout, NULL); | |
1387 | setbuf(stderr, NULL); | |
1388 | while (!feof(f)) { | |
1389 | if (fgets(buf, sizeof(buf), f) == NULL) | |
1390 | break; | |
1391 | cp = strchr(buf, '\n'); | |
1392 | if (cp) | |
1393 | *cp = 0; | |
1394 | cp = strchr(buf, '\r'); | |
1395 | if (cp) | |
1396 | *cp = 0; | |
1397 | printf("debugfs: %s\n", buf); | |
1398 | retval = ss_execute_line(sci_idx, buf); | |
1399 | if (retval) { | |
1400 | ss_perror(sci_idx, retval, buf); | |
1401 | exit_status++; | |
1402 | } | |
1403 | } | |
1404 | return exit_status; | |
1405 | } | |
1406 | ||
a8859cad | 1407 | int main(int argc, char **argv) |
3839e657 | 1408 | { |
50e1e10f TT |
1409 | int retval; |
1410 | int sci_idx; | |
521e3685 | 1411 | const char *usage = "Usage: debugfs [[-w] device]"; |
50e1e10f TT |
1412 | char c; |
1413 | int open_flags = 0; | |
fc6d9d51 TT |
1414 | char *request = 0; |
1415 | int exit_status = 0; | |
1416 | char *cmd_file = 0; | |
3839e657 TT |
1417 | |
1418 | initialize_ext2_error_table(); | |
1419 | ||
fc6d9d51 | 1420 | while ((c = getopt (argc, argv, "wR:f:")) != EOF) { |
3839e657 | 1421 | switch (c) { |
fc6d9d51 TT |
1422 | case 'R': |
1423 | request = optarg; | |
1424 | break; | |
1425 | case 'f': | |
1426 | cmd_file = optarg; | |
1427 | break; | |
3839e657 TT |
1428 | case 'w': |
1429 | open_flags = EXT2_FLAG_RW; | |
1430 | break; | |
1431 | default: | |
1432 | com_err(argv[0], 0, usage); | |
1433 | return; | |
1434 | } | |
1435 | } | |
1436 | if (optind < argc) | |
1437 | open_filesystem(argv[optind], open_flags); | |
1438 | ||
1439 | sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL, | |
1440 | &debug_cmds, &retval); | |
1441 | if (retval) { | |
1442 | ss_perror(sci_idx, retval, "creating invocation"); | |
1443 | exit(1); | |
1444 | } | |
1445 | ||
1446 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
1447 | if (retval) { | |
1448 | ss_perror(sci_idx, retval, "adding standard requests"); | |
1449 | exit (1); | |
1450 | } | |
fc6d9d51 TT |
1451 | if (request) { |
1452 | retval = 0; | |
1453 | retval = ss_execute_line(sci_idx, request); | |
1454 | if (retval) { | |
1455 | ss_perror(sci_idx, retval, request); | |
1456 | exit_status++; | |
1457 | } | |
1458 | } else if (cmd_file) { | |
1459 | exit_status = source_file(cmd_file, sci_idx); | |
1460 | } else { | |
1461 | ss_listen(sci_idx); | |
1462 | } | |
3839e657 | 1463 | |
fc6d9d51 | 1464 | if (current_fs) |
3839e657 TT |
1465 | close_filesystem(); |
1466 | ||
fc6d9d51 | 1467 | exit(exit_status); |
3839e657 TT |
1468 | } |
1469 |