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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 | 37 | |
818180cd TT |
38 | #include "../version.h" |
39 | ||
3839e657 TT |
40 | extern ss_request_table debug_cmds; |
41 | ||
fc6d9d51 | 42 | ext2_filsys current_fs = NULL; |
3839e657 TT |
43 | ino_t root, cwd; |
44 | ||
50e1e10f | 45 | static void open_filesystem(char *device, int open_flags) |
3839e657 TT |
46 | { |
47 | int retval; | |
48 | ||
fc6d9d51 TT |
49 | retval = ext2fs_open(device, open_flags, 0, 0, |
50 | unix_io_manager, ¤t_fs); | |
3839e657 TT |
51 | if (retval) { |
52 | com_err(device, retval, "while opening filesystem"); | |
fc6d9d51 | 53 | current_fs = NULL; |
3839e657 TT |
54 | return; |
55 | } | |
fc6d9d51 | 56 | retval = ext2fs_read_inode_bitmap(current_fs); |
3839e657 TT |
57 | if (retval) { |
58 | com_err(device, retval, "while reading inode bitmap"); | |
59 | goto errout; | |
60 | } | |
fc6d9d51 | 61 | retval = ext2fs_read_block_bitmap(current_fs); |
3839e657 TT |
62 | if (retval) { |
63 | com_err(device, retval, "while reading block bitmap"); | |
64 | goto errout; | |
65 | } | |
66 | root = cwd = EXT2_ROOT_INO; | |
67 | return; | |
68 | ||
69 | errout: | |
fc6d9d51 | 70 | retval = ext2fs_close(current_fs); |
3839e657 TT |
71 | if (retval) |
72 | com_err(device, retval, "while trying to close filesystem"); | |
fc6d9d51 | 73 | current_fs = NULL; |
3839e657 TT |
74 | } |
75 | ||
76 | void do_open_filesys(int argc, char **argv) | |
77 | { | |
50e1e10f | 78 | const char *usage = "Usage: open [-w] <device>"; |
f1304811 | 79 | int c; |
3839e657 TT |
80 | int open_flags = 0; |
81 | ||
fc6d9d51 | 82 | optind = 0; |
50e1e10f TT |
83 | #ifdef HAVE_OPTRESET |
84 | optreset = 1; /* Makes BSD getopt happy */ | |
85 | #endif | |
3839e657 TT |
86 | while ((c = getopt (argc, argv, "w")) != EOF) { |
87 | switch (c) { | |
88 | case 'w': | |
89 | open_flags = EXT2_FLAG_RW; | |
90 | break; | |
91 | default: | |
92 | com_err(argv[0], 0, usage); | |
93 | return; | |
94 | } | |
95 | } | |
96 | if (optind != argc-1) { | |
97 | com_err(argv[0], 0, usage); | |
98 | return; | |
99 | } | |
100 | if (check_fs_not_open(argv[0])) | |
101 | return; | |
102 | open_filesystem(argv[optind], open_flags); | |
103 | } | |
104 | ||
50e1e10f | 105 | static void close_filesystem(NOARGS) |
3839e657 TT |
106 | { |
107 | int retval; | |
108 | ||
fc6d9d51 TT |
109 | if (current_fs->flags & EXT2_FLAG_IB_DIRTY) { |
110 | retval = ext2fs_write_inode_bitmap(current_fs); | |
3839e657 TT |
111 | if (retval) |
112 | com_err("ext2fs_write_inode_bitmap", retval, ""); | |
113 | } | |
fc6d9d51 TT |
114 | if (current_fs->flags & EXT2_FLAG_BB_DIRTY) { |
115 | retval = ext2fs_write_block_bitmap(current_fs); | |
3839e657 TT |
116 | if (retval) |
117 | com_err("ext2fs_write_block_bitmap", retval, ""); | |
118 | } | |
fc6d9d51 | 119 | retval = ext2fs_close(current_fs); |
3839e657 TT |
120 | if (retval) |
121 | com_err("ext2fs_close", retval, ""); | |
fc6d9d51 | 122 | current_fs = NULL; |
3839e657 TT |
123 | return; |
124 | } | |
125 | ||
126 | void do_close_filesys(int argc, char **argv) | |
127 | { | |
128 | if (argc > 1) { | |
129 | com_err(argv[0], 0, "Usage: close_filesys"); | |
130 | return; | |
131 | } | |
132 | if (check_fs_open(argv[0])) | |
133 | return; | |
134 | close_filesystem(); | |
135 | } | |
136 | ||
137 | void do_init_filesys(int argc, char **argv) | |
138 | { | |
50e1e10f | 139 | const char *usage = "Usage: initialize <device> <blocksize>"; |
3839e657 TT |
140 | struct ext2_super_block param; |
141 | errcode_t retval; | |
142 | char *tmp; | |
143 | ||
144 | if (argc != 3) { | |
145 | com_err(argv[0], 0, usage); | |
146 | return; | |
147 | } | |
148 | if (check_fs_not_open(argv[0])) | |
149 | return; | |
150 | ||
151 | memset(¶m, 0, sizeof(struct ext2_super_block)); | |
152 | param.s_blocks_count = strtoul(argv[2], &tmp, 0); | |
153 | if (*tmp) { | |
154 | com_err(argv[0], 0, "Bad blocks count - %s", argv[2]); | |
155 | return; | |
156 | } | |
fc6d9d51 TT |
157 | retval = ext2fs_initialize(argv[1], 0, ¶m, |
158 | unix_io_manager, ¤t_fs); | |
3839e657 TT |
159 | if (retval) { |
160 | com_err(argv[1], retval, "while initializing filesystem"); | |
fc6d9d51 | 161 | current_fs = NULL; |
3839e657 TT |
162 | return; |
163 | } | |
164 | root = cwd = EXT2_ROOT_INO; | |
165 | return; | |
166 | } | |
167 | ||
168 | void do_show_super_stats(int argc, char *argv[]) | |
169 | { | |
170 | int i; | |
171 | FILE *out; | |
fc6d9d51 TT |
172 | struct ext2fs_sb *sb; |
173 | struct ext2_group_desc *gdp; | |
174 | char buf[80]; | |
175 | const char *none = "(none)"; | |
3839e657 TT |
176 | |
177 | if (argc > 1) { | |
178 | com_err(argv[0], 0, "Usage: show_super"); | |
179 | return; | |
180 | } | |
181 | if (check_fs_open(argv[0])) | |
182 | return; | |
183 | out = open_pager(); | |
fc6d9d51 TT |
184 | sb = (struct ext2fs_sb *) current_fs->super; |
185 | fprintf(out, "Filesystem is read-%s\n", | |
186 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
187 | if (sb->s_volume_name[0]) { | |
188 | memset(buf, 0, sizeof(buf)); | |
189 | strncpy(buf, sb->s_volume_name, sizeof(sb->s_volume_name)); | |
190 | } else | |
191 | strcpy(buf, none); | |
192 | fprintf(out, "Volume name = %s\n", buf); | |
193 | if (sb->s_last_mounted[0]) { | |
194 | memset(buf, 0, sizeof(buf)); | |
195 | strncpy(buf, sb->s_last_mounted, sizeof(sb->s_last_mounted)); | |
196 | } else | |
197 | strcpy(buf, none); | |
198 | fprintf(out, "Last mounted directory = %s\n", buf); | |
199 | if (!uuid_is_null(sb->s_uuid)) | |
200 | uuid_unparse(sb->s_uuid, buf); | |
201 | else | |
202 | strcpy(buf, none); | |
203 | fprintf(out, "Filesystem UUID = %s\n", buf); | |
204 | fprintf(out, "Last mount time = %s", time_to_string(sb->s_mtime)); | |
205 | fprintf(out, "Last write time = %s", time_to_string(sb->s_wtime)); | |
3839e657 | 206 | fprintf(out, "Mount counts = %d (maximal = %d)\n", |
fc6d9d51 TT |
207 | sb->s_mnt_count, sb->s_max_mnt_count); |
208 | fputs ("Filesystem OS type = ", out); | |
209 | switch (sb->s_creator_os) { | |
210 | case EXT2_OS_LINUX: fputs ("Linux\n", out); break; | |
211 | case EXT2_OS_HURD: fputs ("GNU\n", out); break; | |
212 | case EXT2_OS_MASIX: fputs ("Masix\n", out); break; | |
213 | default: fputs ("unknown\n", out); | |
214 | } | |
215 | fprintf(out, "Superblock size = %d\n", | |
216 | sizeof(struct ext2_super_block)); | |
3839e657 | 217 | fprintf(out, "Block size = %d, fragment size = %d\n", |
fc6d9d51 TT |
218 | EXT2_BLOCK_SIZE(sb), EXT2_FRAG_SIZE(sb)); |
219 | fprintf(out, "Inode size = %d\n", EXT2_INODE_SIZE(sb)); | |
220 | fprintf(out, "%d inodes, %d free\n", sb->s_inodes_count, | |
221 | sb->s_free_inodes_count); | |
50e1e10f | 222 | fprintf(out, "%d blocks, %d free, %d reserved, first block = %d\n", |
fc6d9d51 TT |
223 | sb->s_blocks_count, sb->s_free_blocks_count, |
224 | sb->s_r_blocks_count, sb->s_first_data_block); | |
225 | fprintf(out, "%d blocks per group\n", sb->s_blocks_per_group); | |
226 | fprintf(out, "%d fragments per group\n", sb->s_frags_per_group); | |
227 | fprintf(out, "%d inodes per group\n", EXT2_INODES_PER_GROUP(sb)); | |
3839e657 | 228 | fprintf(out, "%ld group%s (%ld descriptors block%s)\n", |
fc6d9d51 TT |
229 | current_fs->group_desc_count, |
230 | (current_fs->group_desc_count != 1) ? "s" : "", | |
231 | current_fs->desc_blocks, | |
232 | (current_fs->desc_blocks != 1) ? "s" : ""); | |
233 | ||
234 | gdp = ¤t_fs->group_desc[0]; | |
235 | for (i = 0; i < current_fs->group_desc_count; i++, gdp++) | |
50e1e10f TT |
236 | fprintf(out, " Group %2d: block bitmap at %d, " |
237 | "inode bitmap at %d, " | |
238 | "inode table at %d\n" | |
3839e657 TT |
239 | " %d free block%s, " |
240 | "%d free inode%s, " | |
241 | "%d used director%s\n", | |
fc6d9d51 TT |
242 | i, gdp->bg_block_bitmap, |
243 | gdp->bg_inode_bitmap, gdp->bg_inode_table, | |
244 | gdp->bg_free_blocks_count, | |
245 | gdp->bg_free_blocks_count != 1 ? "s" : "", | |
246 | gdp->bg_free_inodes_count, | |
247 | gdp->bg_free_inodes_count != 1 ? "s" : "", | |
248 | gdp->bg_used_dirs_count, | |
249 | gdp->bg_used_dirs_count != 1 ? "ies" : "y"); | |
3839e657 TT |
250 | close_pager(out); |
251 | } | |
252 | ||
4a31c48b | 253 | void do_dirty_filesys(int argc, char **argv) |
21c84b71 TT |
254 | { |
255 | if (check_fs_open(argv[0])) | |
256 | return; | |
257 | ||
258 | ext2fs_mark_super_dirty(current_fs); | |
259 | } | |
260 | ||
3839e657 TT |
261 | struct list_blocks_struct { |
262 | FILE *f; | |
263 | int total; | |
264 | }; | |
265 | ||
50e1e10f TT |
266 | static int list_blocks_proc(ext2_filsys fs, blk_t *blocknr, int blockcnt, |
267 | void *private) | |
3839e657 TT |
268 | { |
269 | struct list_blocks_struct *lb = (struct list_blocks_struct *) private; | |
270 | ||
50e1e10f | 271 | fprintf(lb->f, "%d ", *blocknr); |
3839e657 TT |
272 | lb->total++; |
273 | return 0; | |
274 | } | |
275 | ||
276 | ||
50e1e10f | 277 | static void dump_blocks(FILE *f, ino_t inode) |
3839e657 TT |
278 | { |
279 | struct list_blocks_struct lb; | |
280 | ||
281 | fprintf(f, "BLOCKS:\n"); | |
282 | lb.total = 0; | |
283 | lb.f = f; | |
fc6d9d51 TT |
284 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
285 | list_blocks_proc, (void *)&lb); | |
3839e657 TT |
286 | if (lb.total) |
287 | fprintf(f, "\nTOTAL: %d\n", lb.total); | |
288 | fprintf(f,"\n"); | |
289 | } | |
290 | ||
291 | ||
50e1e10f | 292 | static void dump_inode(ino_t inode_num, struct ext2_inode inode) |
3839e657 | 293 | { |
50e1e10f | 294 | const char *i_type; |
3839e657 | 295 | FILE *out; |
fc6d9d51 TT |
296 | char frag, fsize; |
297 | int os = current_fs->super->s_creator_os; | |
3839e657 TT |
298 | |
299 | out = open_pager(); | |
50e1e10f TT |
300 | if (LINUX_S_ISDIR(inode.i_mode)) i_type = "directory"; |
301 | else if (LINUX_S_ISREG(inode.i_mode)) i_type = "regular"; | |
302 | else if (LINUX_S_ISLNK(inode.i_mode)) i_type = "symlink"; | |
303 | else if (LINUX_S_ISBLK(inode.i_mode)) i_type = "block special"; | |
304 | else if (LINUX_S_ISCHR(inode.i_mode)) i_type = "character special"; | |
305 | else if (LINUX_S_ISFIFO(inode.i_mode)) i_type = "FIFO"; | |
306 | else if (LINUX_S_ISSOCK(inode.i_mode)) i_type = "socket"; | |
3839e657 TT |
307 | else i_type = "bad type"; |
308 | fprintf(out, "Inode: %ld Type: %s ", inode_num, i_type); | |
b41d360b | 309 | #if defined(HAVE_EXT2_INODE_VERSION) |
50e1e10f | 310 | fprintf(out, "Mode: %04o Flags: 0x%x Version: %d\n", |
3839e657 | 311 | inode.i_mode & 0777, inode.i_flags, inode.i_version); |
b41d360b TT |
312 | #else |
313 | fprintf(out, "Mode: %04o Flags: 0x%x Generation: %d\n", | |
314 | inode.i_mode & 0777, inode.i_flags, inode.i_generation); | |
315 | #endif | |
36a43d67 TT |
316 | fprintf(out, "User: %5d Group: %5d Size: ", |
317 | inode.i_uid, inode.i_gid); | |
318 | if (LINUX_S_ISDIR(inode.i_mode)) | |
319 | fprintf(out, "%d\n", inode.i_size); | |
320 | else { | |
321 | __u64 i_size = (inode.i_size | | |
322 | ((unsigned long long)inode.i_size_high << 32)); | |
323 | ||
324 | fprintf(out, "%lld\n", i_size); | |
325 | } | |
fc6d9d51 | 326 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
327 | fprintf(out, |
328 | "File ACL: %d Directory ACL: %d Translator: %d\n", | |
36a43d67 | 329 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0, |
62c06f79 TT |
330 | inode.osd1.hurd1.h_i_translator); |
331 | else | |
332 | fprintf(out, "File ACL: %d Directory ACL: %d\n", | |
36a43d67 | 333 | inode.i_file_acl, LINUX_S_ISDIR(inode.i_mode) ? inode.i_dir_acl : 0); |
50e1e10f | 334 | fprintf(out, "Links: %d Blockcount: %d\n", inode.i_links_count, |
3839e657 | 335 | inode.i_blocks); |
fc6d9d51 TT |
336 | switch (os) { |
337 | case EXT2_OS_LINUX: | |
338 | frag = inode.osd2.linux2.l_i_frag; | |
339 | fsize = inode.osd2.linux2.l_i_fsize; | |
340 | break; | |
341 | case EXT2_OS_HURD: | |
342 | frag = inode.osd2.hurd2.h_i_frag; | |
343 | fsize = inode.osd2.hurd2.h_i_fsize; | |
344 | break; | |
345 | case EXT2_OS_MASIX: | |
346 | frag = inode.osd2.masix2.m_i_frag; | |
347 | fsize = inode.osd2.masix2.m_i_fsize; | |
348 | break; | |
349 | default: | |
350 | frag = fsize = 0; | |
351 | } | |
50e1e10f | 352 | fprintf(out, "Fragment: Address: %d Number: %d Size: %d\n", |
fc6d9d51 | 353 | inode.i_faddr, frag, fsize); |
50e1e10f | 354 | fprintf(out, "ctime: 0x%08x -- %s", inode.i_ctime, |
fc6d9d51 | 355 | time_to_string(inode.i_ctime)); |
50e1e10f | 356 | fprintf(out, "atime: 0x%08x -- %s", inode.i_atime, |
fc6d9d51 | 357 | time_to_string(inode.i_atime)); |
50e1e10f | 358 | fprintf(out, "mtime: 0x%08x -- %s", inode.i_mtime, |
fc6d9d51 | 359 | time_to_string(inode.i_mtime)); |
3839e657 | 360 | if (inode.i_dtime) |
50e1e10f | 361 | fprintf(out, "dtime: 0x%08x -- %s", inode.i_dtime, |
fc6d9d51 | 362 | time_to_string(inode.i_dtime)); |
50e1e10f | 363 | if (LINUX_S_ISLNK(inode.i_mode) && inode.i_blocks == 0) |
3839e657 TT |
364 | fprintf(out, "Fast_link_dest: %s\n", (char *)inode.i_block); |
365 | else | |
366 | dump_blocks(out, inode_num); | |
367 | close_pager(out); | |
368 | } | |
369 | ||
370 | ||
371 | void do_stat(int argc, char *argv[]) | |
372 | { | |
373 | ino_t inode; | |
374 | struct ext2_inode inode_buf; | |
375 | int retval; | |
376 | ||
377 | if (argc != 2) { | |
378 | com_err(argv[0], 0, "Usage: stat <file>"); | |
379 | return; | |
380 | } | |
381 | if (check_fs_open(argv[0])) | |
382 | return; | |
383 | inode = string_to_inode(argv[1]); | |
384 | if (!inode) | |
385 | return; | |
386 | ||
fc6d9d51 | 387 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
388 | if (retval) |
389 | { | |
91d6d486 | 390 | com_err(argv[0], retval, "while trying to read inode %d", inode); |
3839e657 TT |
391 | return; |
392 | } | |
393 | ||
394 | dump_inode(inode,inode_buf); | |
395 | return; | |
396 | } | |
397 | ||
398 | void do_chroot(int argc, char *argv[]) | |
399 | { | |
400 | ino_t inode; | |
401 | int retval; | |
402 | ||
403 | if (argc != 2) { | |
404 | com_err(argv[0], 0, "Usage: chroot <file>"); | |
405 | return; | |
406 | } | |
407 | if (check_fs_open(argv[0])) | |
408 | return; | |
409 | inode = string_to_inode(argv[1]); | |
410 | if (!inode) | |
411 | return; | |
412 | ||
fc6d9d51 | 413 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
414 | if (retval) { |
415 | com_err(argv[1], retval, ""); | |
416 | return; | |
417 | } | |
418 | root = inode; | |
419 | } | |
420 | ||
421 | void do_clri(int argc, char *argv[]) | |
422 | { | |
423 | ino_t inode; | |
424 | int retval; | |
425 | struct ext2_inode inode_buf; | |
426 | ||
427 | if (argc != 2) { | |
428 | com_err(argv[0], 0, "Usage: clri <file>"); | |
429 | return; | |
430 | } | |
431 | if (check_fs_open(argv[0])) | |
432 | return; | |
fc6d9d51 | 433 | if (check_fs_read_write(argv[0])) |
3839e657 | 434 | return; |
3839e657 TT |
435 | inode = string_to_inode(argv[1]); |
436 | if (!inode) | |
437 | return; | |
438 | ||
fc6d9d51 | 439 | retval = ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 440 | if (retval) { |
91d6d486 TT |
441 | com_err(argv[0], retval, "while trying to read inode %d", |
442 | inode); | |
3839e657 TT |
443 | return; |
444 | } | |
445 | memset(&inode_buf, 0, sizeof(inode_buf)); | |
fc6d9d51 | 446 | retval = ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
447 | if (retval) { |
448 | com_err(argv[0], retval, "while trying to write inode %d", | |
449 | inode); | |
450 | return; | |
451 | } | |
452 | } | |
453 | ||
454 | void do_freei(int argc, char *argv[]) | |
455 | { | |
456 | ino_t inode; | |
457 | ||
458 | if (argc != 2) { | |
459 | com_err(argv[0], 0, "Usage: freei <file>"); | |
460 | return; | |
461 | } | |
462 | if (check_fs_open(argv[0])) | |
463 | return; | |
fc6d9d51 | 464 | if (check_fs_read_write(argv[0])) |
3839e657 | 465 | return; |
3839e657 TT |
466 | inode = string_to_inode(argv[1]); |
467 | if (!inode) | |
468 | return; | |
469 | ||
fc6d9d51 | 470 | if (!ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 471 | com_err(argv[0], 0, "Warning: inode already clear"); |
fc6d9d51 TT |
472 | ext2fs_unmark_inode_bitmap(current_fs->inode_map,inode); |
473 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
474 | } |
475 | ||
476 | void do_seti(int argc, char *argv[]) | |
477 | { | |
478 | ino_t inode; | |
479 | ||
480 | if (argc != 2) { | |
481 | com_err(argv[0], 0, "Usage: seti <file>"); | |
482 | return; | |
483 | } | |
484 | if (check_fs_open(argv[0])) | |
485 | return; | |
fc6d9d51 | 486 | if (check_fs_read_write(argv[0])) |
3839e657 | 487 | return; |
3839e657 TT |
488 | inode = string_to_inode(argv[1]); |
489 | if (!inode) | |
490 | return; | |
491 | ||
fc6d9d51 | 492 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 | 493 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
494 | ext2fs_mark_inode_bitmap(current_fs->inode_map,inode); |
495 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
496 | } |
497 | ||
498 | void do_testi(int argc, char *argv[]) | |
499 | { | |
500 | ino_t inode; | |
501 | ||
502 | if (argc != 2) { | |
503 | com_err(argv[0], 0, "Usage: testi <file>"); | |
504 | return; | |
505 | } | |
506 | if (check_fs_open(argv[0])) | |
507 | return; | |
508 | inode = string_to_inode(argv[1]); | |
509 | if (!inode) | |
510 | return; | |
511 | ||
fc6d9d51 | 512 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,inode)) |
3839e657 TT |
513 | printf("Inode %ld is marked in use\n", inode); |
514 | else | |
515 | printf("Inode %ld is not in use\n", inode); | |
516 | } | |
517 | ||
518 | ||
519 | void do_freeb(int argc, char *argv[]) | |
520 | { | |
521 | blk_t block; | |
522 | char *tmp; | |
523 | ||
524 | if (argc != 2) { | |
525 | com_err(argv[0], 0, "Usage: freeb <block>"); | |
526 | return; | |
527 | } | |
528 | if (check_fs_open(argv[0])) | |
529 | return; | |
fc6d9d51 | 530 | if (check_fs_read_write(argv[0])) |
3839e657 | 531 | return; |
3839e657 TT |
532 | block = strtoul(argv[1], &tmp, 0); |
533 | if (!block || *tmp) { | |
534 | com_err(argv[0], 0, "No block 0"); | |
535 | return; | |
536 | } | |
fc6d9d51 | 537 | if (!ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 538 | com_err(argv[0], 0, "Warning: block already clear"); |
fc6d9d51 TT |
539 | ext2fs_unmark_block_bitmap(current_fs->block_map,block); |
540 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
541 | } |
542 | ||
543 | void do_setb(int argc, char *argv[]) | |
544 | { | |
545 | blk_t block; | |
546 | char *tmp; | |
547 | ||
548 | if (argc != 2) { | |
549 | com_err(argv[0], 0, "Usage: setb <block>"); | |
550 | return; | |
551 | } | |
552 | if (check_fs_open(argv[0])) | |
553 | return; | |
fc6d9d51 | 554 | if (check_fs_read_write(argv[0])) |
3839e657 | 555 | return; |
3839e657 TT |
556 | block = strtoul(argv[1], &tmp, 0); |
557 | if (!block || *tmp) { | |
558 | com_err(argv[0], 0, "No block 0"); | |
559 | return; | |
560 | } | |
fc6d9d51 | 561 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
3839e657 | 562 | com_err(argv[0], 0, "Warning: block already set"); |
fc6d9d51 TT |
563 | ext2fs_mark_block_bitmap(current_fs->block_map,block); |
564 | ext2fs_mark_bb_dirty(current_fs); | |
3839e657 TT |
565 | } |
566 | ||
567 | void do_testb(int argc, char *argv[]) | |
568 | { | |
569 | blk_t block; | |
570 | char *tmp; | |
571 | ||
572 | if (argc != 2) { | |
573 | com_err(argv[0], 0, "Usage: testb <block>"); | |
574 | return; | |
575 | } | |
576 | if (check_fs_open(argv[0])) | |
577 | return; | |
578 | block = strtoul(argv[1], &tmp, 0); | |
579 | if (!block || *tmp) { | |
580 | com_err(argv[0], 0, "No block 0"); | |
581 | return; | |
582 | } | |
fc6d9d51 | 583 | if (ext2fs_test_block_bitmap(current_fs->block_map,block)) |
50e1e10f TT |
584 | printf("Block %d marked in use\n", block); |
585 | else printf("Block %d not in use\n", block); | |
3839e657 TT |
586 | } |
587 | ||
50e1e10f TT |
588 | static void modify_u8(char *com, const char *prompt, |
589 | const char *format, __u8 *val) | |
3839e657 TT |
590 | { |
591 | char buf[200]; | |
21c84b71 | 592 | unsigned long v; |
3839e657 TT |
593 | char *tmp; |
594 | ||
595 | sprintf(buf, format, *val); | |
596 | printf("%30s [%s] ", prompt, buf); | |
597 | fgets(buf, sizeof(buf), stdin); | |
598 | if (buf[strlen (buf) - 1] == '\n') | |
599 | buf[strlen (buf) - 1] = '\0'; | |
600 | if (!buf[0]) | |
601 | return; | |
21c84b71 | 602 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
603 | if (*tmp) |
604 | com_err(com, 0, "Bad value - %s", buf); | |
605 | else | |
606 | *val = v; | |
607 | } | |
608 | ||
50e1e10f TT |
609 | static void modify_u16(char *com, const char *prompt, |
610 | const char *format, __u16 *val) | |
3839e657 TT |
611 | { |
612 | char buf[200]; | |
21c84b71 | 613 | unsigned long v; |
3839e657 TT |
614 | char *tmp; |
615 | ||
616 | sprintf(buf, format, *val); | |
617 | printf("%30s [%s] ", prompt, buf); | |
618 | fgets(buf, sizeof(buf), stdin); | |
619 | if (buf[strlen (buf) - 1] == '\n') | |
620 | buf[strlen (buf) - 1] = '\0'; | |
621 | if (!buf[0]) | |
622 | return; | |
21c84b71 | 623 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
624 | if (*tmp) |
625 | com_err(com, 0, "Bad value - %s", buf); | |
626 | else | |
627 | *val = v; | |
628 | } | |
629 | ||
50e1e10f TT |
630 | static void modify_u32(char *com, const char *prompt, |
631 | const char *format, __u32 *val) | |
3839e657 TT |
632 | { |
633 | char buf[200]; | |
21c84b71 | 634 | unsigned long v; |
3839e657 TT |
635 | char *tmp; |
636 | ||
637 | sprintf(buf, format, *val); | |
638 | printf("%30s [%s] ", prompt, buf); | |
639 | fgets(buf, sizeof(buf), stdin); | |
640 | if (buf[strlen (buf) - 1] == '\n') | |
641 | buf[strlen (buf) - 1] = '\0'; | |
642 | if (!buf[0]) | |
643 | return; | |
21c84b71 | 644 | v = strtoul(buf, &tmp, 0); |
3839e657 TT |
645 | if (*tmp) |
646 | com_err(com, 0, "Bad value - %s", buf); | |
647 | else | |
648 | *val = v; | |
649 | } | |
650 | ||
651 | ||
652 | void do_modify_inode(int argc, char *argv[]) | |
653 | { | |
654 | struct ext2_inode inode; | |
655 | ino_t inode_num; | |
656 | int i; | |
657 | errcode_t retval; | |
fc6d9d51 | 658 | unsigned char *frag, *fsize; |
3839e657 | 659 | char buf[80]; |
fc6d9d51 | 660 | int os = current_fs->super->s_creator_os; |
50e1e10f TT |
661 | const char *hex_format = "0x%x"; |
662 | const char *octal_format = "0%o"; | |
663 | const char *decimal_format = "%d"; | |
3839e657 TT |
664 | |
665 | if (argc != 2) { | |
666 | com_err(argv[0], 0, "Usage: modify_inode <file>"); | |
667 | return; | |
668 | } | |
669 | if (check_fs_open(argv[0])) | |
670 | return; | |
fc6d9d51 | 671 | if (check_fs_read_write(argv[0])) |
3839e657 | 672 | return; |
3839e657 TT |
673 | |
674 | inode_num = string_to_inode(argv[1]); | |
675 | if (!inode_num) | |
676 | return; | |
677 | ||
fc6d9d51 | 678 | retval = ext2fs_read_inode(current_fs, inode_num, &inode); |
3839e657 TT |
679 | if (retval) { |
680 | com_err(argv[1], retval, "while trying to read inode %d", | |
681 | inode_num); | |
682 | return; | |
683 | } | |
684 | ||
50e1e10f TT |
685 | modify_u16(argv[0], "Mode", octal_format, &inode.i_mode); |
686 | modify_u16(argv[0], "User ID", decimal_format, &inode.i_uid); | |
687 | modify_u16(argv[0], "Group ID", decimal_format, &inode.i_gid); | |
688 | modify_u32(argv[0], "Size", decimal_format, &inode.i_size); | |
689 | modify_u32(argv[0], "Creation time", decimal_format, &inode.i_ctime); | |
690 | modify_u32(argv[0], "Modification time", decimal_format, &inode.i_mtime); | |
691 | modify_u32(argv[0], "Access time", decimal_format, &inode.i_atime); | |
692 | modify_u32(argv[0], "Deletion time", decimal_format, &inode.i_dtime); | |
693 | modify_u16(argv[0], "Link count", decimal_format, &inode.i_links_count); | |
694 | modify_u32(argv[0], "Block count", decimal_format, &inode.i_blocks); | |
695 | modify_u32(argv[0], "File flags", hex_format, &inode.i_flags); | |
696 | #if 0 | |
697 | modify_u32(argv[0], "Reserved1", decimal_format, &inode.i_reserved1); | |
698 | #endif | |
699 | modify_u32(argv[0], "File acl", decimal_format, &inode.i_file_acl); | |
36a43d67 TT |
700 | if (LINUX_S_ISDIR(inode.i_mode)) |
701 | modify_u32(argv[0], "Directory acl", decimal_format, &inode.i_dir_acl); | |
702 | else | |
703 | modify_u32(argv[0], "High 32bits of size", decimal_format, &inode.i_size_high); | |
62c06f79 | 704 | |
fc6d9d51 | 705 | if (current_fs->super->s_creator_os == EXT2_OS_HURD) |
62c06f79 TT |
706 | modify_u32(argv[0], "Translator Block", |
707 | decimal_format, &inode.osd1.hurd1.h_i_translator); | |
708 | ||
50e1e10f | 709 | modify_u32(argv[0], "Fragment address", decimal_format, &inode.i_faddr); |
fc6d9d51 TT |
710 | switch (os) { |
711 | case EXT2_OS_LINUX: | |
712 | frag = &inode.osd2.linux2.l_i_frag; | |
713 | fsize = &inode.osd2.linux2.l_i_fsize; | |
714 | break; | |
715 | case EXT2_OS_HURD: | |
716 | frag = &inode.osd2.hurd2.h_i_frag; | |
717 | fsize = &inode.osd2.hurd2.h_i_fsize; | |
718 | break; | |
719 | case EXT2_OS_MASIX: | |
720 | frag = &inode.osd2.masix2.m_i_frag; | |
721 | fsize = &inode.osd2.masix2.m_i_fsize; | |
722 | break; | |
723 | default: | |
724 | frag = fsize = 0; | |
725 | } | |
726 | if (frag) | |
727 | modify_u8(argv[0], "Fragment number", decimal_format, frag); | |
728 | if (fsize) | |
729 | modify_u8(argv[0], "Fragment size", decimal_format, fsize); | |
730 | ||
3839e657 TT |
731 | for (i=0; i < EXT2_NDIR_BLOCKS; i++) { |
732 | sprintf(buf, "Direct Block #%d", i); | |
50e1e10f | 733 | modify_u32(argv[0], buf, decimal_format, &inode.i_block[i]); |
3839e657 | 734 | } |
50e1e10f | 735 | modify_u32(argv[0], "Indirect Block", decimal_format, |
3839e657 | 736 | &inode.i_block[EXT2_IND_BLOCK]); |
50e1e10f | 737 | modify_u32(argv[0], "Double Indirect Block", decimal_format, |
3839e657 | 738 | &inode.i_block[EXT2_DIND_BLOCK]); |
50e1e10f | 739 | modify_u32(argv[0], "Triple Indirect Block", decimal_format, |
3839e657 | 740 | &inode.i_block[EXT2_TIND_BLOCK]); |
fc6d9d51 | 741 | retval = ext2fs_write_inode(current_fs, inode_num, &inode); |
3839e657 TT |
742 | if (retval) { |
743 | com_err(argv[1], retval, "while trying to write inode %d", | |
744 | inode_num); | |
745 | return; | |
746 | } | |
747 | } | |
748 | ||
3839e657 TT |
749 | void do_change_working_dir(int argc, char *argv[]) |
750 | { | |
751 | ino_t inode; | |
752 | int retval; | |
753 | ||
754 | if (argc != 2) { | |
755 | com_err(argv[0], 0, "Usage: cd <file>"); | |
756 | return; | |
757 | } | |
758 | if (check_fs_open(argv[0])) | |
759 | return; | |
760 | ||
761 | inode = string_to_inode(argv[1]); | |
762 | if (!inode) | |
763 | return; | |
764 | ||
fc6d9d51 | 765 | retval = ext2fs_check_directory(current_fs, inode); |
3839e657 TT |
766 | if (retval) { |
767 | com_err(argv[1], retval, ""); | |
768 | return; | |
769 | } | |
770 | cwd = inode; | |
771 | return; | |
772 | } | |
773 | ||
3839e657 TT |
774 | void do_print_working_directory(int argc, char *argv[]) |
775 | { | |
776 | int retval; | |
777 | char *pathname = NULL; | |
778 | ||
779 | if (argc > 1) { | |
780 | com_err(argv[0], 0, "Usage: print_working_directory"); | |
781 | return; | |
782 | } | |
783 | if (check_fs_open(argv[0])) | |
784 | return; | |
785 | ||
fc6d9d51 | 786 | retval = ext2fs_get_pathname(current_fs, cwd, 0, &pathname); |
3839e657 TT |
787 | if (retval) { |
788 | com_err(argv[0], retval, | |
789 | "while trying to get pathname of cwd"); | |
790 | } | |
791 | printf("[pwd] INODE: %6ld PATH: %s\n", cwd, pathname); | |
792 | free(pathname); | |
fc6d9d51 | 793 | retval = ext2fs_get_pathname(current_fs, root, 0, &pathname); |
3839e657 TT |
794 | if (retval) { |
795 | com_err(argv[0], retval, | |
796 | "while trying to get pathname of root"); | |
797 | } | |
798 | printf("[root] INODE: %6ld PATH: %s\n", root, pathname); | |
799 | free(pathname); | |
800 | return; | |
801 | } | |
802 | ||
50e1e10f | 803 | static void make_link(char *sourcename, char *destname) |
3839e657 TT |
804 | { |
805 | ino_t inode; | |
806 | int retval; | |
807 | ino_t dir; | |
808 | char *dest, *cp, *basename; | |
809 | ||
810 | /* | |
811 | * Get the source inode | |
812 | */ | |
813 | inode = string_to_inode(sourcename); | |
814 | if (!inode) | |
815 | return; | |
816 | basename = strrchr(sourcename, '/'); | |
817 | if (basename) | |
818 | basename++; | |
819 | else | |
820 | basename = sourcename; | |
821 | /* | |
822 | * Figure out the destination. First see if it exists and is | |
823 | * a directory. | |
824 | */ | |
fc6d9d51 | 825 | if (! (retval=ext2fs_namei(current_fs, root, cwd, destname, &dir))) |
3839e657 TT |
826 | dest = basename; |
827 | else { | |
828 | /* | |
829 | * OK, it doesn't exist. See if it is | |
830 | * '<dir>/basename' or 'basename' | |
831 | */ | |
832 | cp = strrchr(destname, '/'); | |
833 | if (cp) { | |
834 | *cp = 0; | |
835 | dir = string_to_inode(destname); | |
836 | if (!dir) | |
837 | return; | |
838 | dest = cp+1; | |
839 | } else { | |
840 | dir = cwd; | |
841 | dest = destname; | |
842 | } | |
843 | } | |
844 | ||
fc6d9d51 | 845 | retval = ext2fs_link(current_fs, dir, dest, inode, 0); |
3839e657 TT |
846 | if (retval) |
847 | com_err("make_link", retval, ""); | |
848 | return; | |
849 | } | |
850 | ||
851 | ||
852 | void do_link(int argc, char *argv[]) | |
853 | { | |
854 | if (argc != 3) { | |
855 | com_err(argv[0], 0, "Usage: link <source_file> <dest_name>"); | |
856 | return; | |
857 | } | |
858 | if (check_fs_open(argv[0])) | |
859 | return; | |
860 | ||
861 | make_link(argv[1], argv[2]); | |
862 | } | |
863 | ||
50e1e10f | 864 | static void unlink_file_by_name(char *filename) |
3839e657 TT |
865 | { |
866 | int retval; | |
867 | ino_t dir; | |
868 | char *basename; | |
869 | ||
870 | basename = strrchr(filename, '/'); | |
871 | if (basename) { | |
fc6d9d51 | 872 | *basename++ = '\0'; |
3839e657 TT |
873 | dir = string_to_inode(filename); |
874 | if (!dir) | |
875 | return; | |
876 | } else { | |
877 | dir = cwd; | |
878 | basename = filename; | |
879 | } | |
fc6d9d51 | 880 | retval = ext2fs_unlink(current_fs, dir, basename, 0, 0); |
3839e657 TT |
881 | if (retval) |
882 | com_err("unlink_file_by_name", retval, ""); | |
883 | return; | |
884 | } | |
885 | ||
886 | void do_unlink(int argc, char *argv[]) | |
887 | { | |
888 | if (argc != 2) { | |
889 | com_err(argv[0], 0, "Usage: unlink <pathname>"); | |
890 | return; | |
891 | } | |
892 | if (check_fs_open(argv[0])) | |
893 | return; | |
894 | ||
895 | unlink_file_by_name(argv[1]); | |
896 | } | |
897 | ||
898 | void do_find_free_block(int argc, char *argv[]) | |
899 | { | |
900 | blk_t free_blk, goal; | |
901 | errcode_t retval; | |
902 | char *tmp; | |
903 | ||
50e1e10f TT |
904 | if ((argc > 2) || (argc==2 && *argv[1] == '?')) { |
905 | com_err(argv[0], 0, "Usage: find_free_block [goal]"); | |
3839e657 TT |
906 | return; |
907 | } | |
908 | if (check_fs_open(argv[0])) | |
909 | return; | |
910 | ||
911 | if (argc > 1) { | |
912 | goal = strtol(argv[1], &tmp, 0); | |
913 | if (*tmp) { | |
914 | com_err(argv[0], 0, "Bad goal - %s", argv[1]); | |
915 | return; | |
916 | } | |
917 | } | |
918 | else | |
fc6d9d51 | 919 | goal = current_fs->super->s_first_data_block; |
3839e657 | 920 | |
fc6d9d51 | 921 | retval = ext2fs_new_block(current_fs, goal, 0, &free_blk); |
3839e657 TT |
922 | if (retval) |
923 | com_err("ext2fs_new_block", retval, ""); | |
924 | else | |
50e1e10f | 925 | printf("Free block found: %d\n", free_blk); |
3839e657 TT |
926 | |
927 | } | |
928 | ||
929 | void do_find_free_inode(int argc, char *argv[]) | |
930 | { | |
931 | ino_t free_inode, dir; | |
932 | int mode; | |
933 | int retval; | |
934 | char *tmp; | |
935 | ||
50e1e10f TT |
936 | if (argc > 3 || (argc>1 && *argv[1] == '?')) { |
937 | com_err(argv[0], 0, "Usage: find_free_inode [dir] [mode]"); | |
3839e657 TT |
938 | return; |
939 | } | |
940 | if (check_fs_open(argv[0])) | |
941 | return; | |
942 | ||
943 | if (argc > 1) { | |
944 | dir = strtol(argv[1], &tmp, 0); | |
945 | if (*tmp) { | |
946 | com_err(argv[0], 0, "Bad dir - %s", argv[1]); | |
947 | return; | |
948 | } | |
949 | } | |
950 | else | |
951 | dir = root; | |
952 | if (argc > 2) { | |
953 | mode = strtol(argv[2], &tmp, 0); | |
954 | if (*tmp) { | |
955 | com_err(argv[0], 0, "Bad mode - %s", argv[2]); | |
956 | return; | |
957 | } | |
50e1e10f | 958 | } else |
3839e657 TT |
959 | mode = 010755; |
960 | ||
fc6d9d51 | 961 | retval = ext2fs_new_inode(current_fs, dir, mode, 0, &free_inode); |
3839e657 TT |
962 | if (retval) |
963 | com_err("ext2fs_new_inode", retval, ""); | |
964 | else | |
965 | printf("Free inode found: %ld\n", free_inode); | |
966 | } | |
967 | ||
50e1e10f TT |
968 | static errcode_t copy_file(int fd, ino_t newfile) |
969 | { | |
5a51384e | 970 | ext2_file_t e2_file; |
50e1e10f | 971 | errcode_t retval; |
4a31c48b | 972 | unsigned int got, written; |
5a51384e TT |
973 | char buf[8192]; |
974 | char *ptr; | |
50e1e10f | 975 | |
5a51384e TT |
976 | retval = ext2fs_file_open(current_fs, newfile, |
977 | EXT2_FILE_WRITE, &e2_file); | |
50e1e10f TT |
978 | if (retval) |
979 | return retval; | |
50e1e10f | 980 | |
5a51384e TT |
981 | while (1) { |
982 | got = read(fd, buf, sizeof(buf)); | |
983 | if (got == 0) | |
984 | break; | |
985 | if (got < 0) { | |
986 | retval = errno; | |
987 | goto fail; | |
988 | } | |
989 | ptr = buf; | |
990 | while (got > 0) { | |
991 | retval = ext2fs_file_write(e2_file, ptr, | |
992 | got, &written); | |
993 | if (retval) | |
994 | goto fail; | |
995 | ||
996 | got -= written; | |
997 | ptr += written; | |
998 | } | |
999 | } | |
1000 | retval = ext2fs_file_close(e2_file); | |
50e1e10f | 1001 | |
5a51384e TT |
1002 | return retval; |
1003 | ||
1004 | fail: | |
1005 | (void) ext2fs_file_close(e2_file); | |
1006 | return retval; | |
50e1e10f TT |
1007 | } |
1008 | ||
5a51384e | 1009 | |
50e1e10f TT |
1010 | void do_write(int argc, char *argv[]) |
1011 | { | |
1012 | int fd; | |
1013 | struct stat statbuf; | |
1014 | ino_t newfile; | |
1015 | errcode_t retval; | |
1016 | struct ext2_inode inode; | |
5a51384e | 1017 | dgrp_t group; |
50e1e10f TT |
1018 | |
1019 | if (check_fs_open(argv[0])) | |
1020 | return; | |
1021 | if (argc != 3) { | |
1022 | com_err(argv[0], 0, "Usage: write <nativefile> <newfile>"); | |
1023 | return; | |
1024 | } | |
fc6d9d51 | 1025 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1026 | return; |
50e1e10f TT |
1027 | fd = open(argv[1], O_RDONLY); |
1028 | if (fd < 0) { | |
1029 | com_err(argv[1], fd, ""); | |
1030 | return; | |
1031 | } | |
1032 | if (fstat(fd, &statbuf) < 0) { | |
1033 | com_err(argv[1], errno, ""); | |
1034 | close(fd); | |
1035 | return; | |
1036 | } | |
1037 | ||
fc6d9d51 | 1038 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1039 | if (retval) { |
1040 | com_err(argv[0], retval, ""); | |
1041 | close(fd); | |
1042 | return; | |
1043 | } | |
5a51384e TT |
1044 | group = ext2fs_group_of_ino(current_fs, newfile); |
1045 | current_fs->group_desc[group].bg_free_inodes_count--; | |
1046 | current_fs->super->s_free_inodes_count--; | |
1047 | ext2fs_mark_super_dirty(current_fs); | |
50e1e10f | 1048 | printf("Allocated inode: %ld\n", newfile); |
fc6d9d51 | 1049 | retval = ext2fs_link(current_fs, cwd, argv[2], newfile, 0); |
50e1e10f TT |
1050 | if (retval) { |
1051 | com_err(argv[2], retval, ""); | |
1052 | close(fd); | |
1053 | return; | |
1054 | } | |
fc6d9d51 | 1055 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1056 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1057 | ext2fs_mark_inode_bitmap(current_fs->inode_map,newfile); |
1058 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1059 | memset(&inode, 0, sizeof(inode)); |
1060 | inode.i_mode = statbuf.st_mode; | |
1061 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1062 | inode.i_links_count = 1; | |
1063 | inode.i_size = statbuf.st_size; | |
fc6d9d51 TT |
1064 | ext2fs_write_inode(current_fs, newfile, &inode); |
1065 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f | 1066 | if (retval) { |
fc6d9d51 TT |
1067 | com_err(argv[0], retval, "while trying to write inode %d", |
1068 | inode); | |
50e1e10f TT |
1069 | close(fd); |
1070 | return; | |
1071 | } | |
1072 | if (LINUX_S_ISREG(inode.i_mode)) { | |
1073 | retval = copy_file(fd, newfile); | |
1074 | if (retval) | |
1075 | com_err("copy_file", retval, ""); | |
1076 | } | |
1077 | close(fd); | |
1078 | } | |
1079 | ||
1080 | void do_mknod(int argc, char *argv[]) | |
1081 | { | |
1082 | unsigned long mode, major, minor, nr; | |
1083 | ino_t newfile; | |
1084 | errcode_t retval; | |
1085 | struct ext2_inode inode; | |
1086 | ||
1087 | if (check_fs_open(argv[0])) | |
1088 | return; | |
1089 | if (argc < 3 || argv[2][1]) { | |
1090 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1091 | return; | |
1092 | } | |
1093 | mode = minor = major = 0; | |
1094 | switch (argv[2][0]) { | |
1095 | case 'p': | |
1096 | mode = LINUX_S_IFIFO; | |
1097 | nr = 3; | |
1098 | break; | |
1099 | case 'c': | |
1100 | mode = LINUX_S_IFCHR; | |
1101 | nr = 5; | |
1102 | break; | |
1103 | case 'b': | |
1104 | mode = LINUX_S_IFBLK; | |
1105 | nr = 5; | |
1106 | break; | |
1107 | default: | |
1108 | nr = 0; | |
1109 | } | |
1110 | if (nr == 5) { | |
1111 | major = strtoul(argv[3], argv+3, 0); | |
1112 | minor = strtoul(argv[4], argv+4, 0); | |
1113 | if (major > 255 || minor > 255 || argv[3][0] || argv[4][0]) | |
1114 | nr = 0; | |
1115 | } | |
1116 | if (argc != nr) { | |
1117 | com_err(argv[0], 0, "Usage: mknod <name> [p| [c|b] <major> <minor>]"); | |
1118 | return; | |
1119 | } | |
fc6d9d51 | 1120 | if (check_fs_read_write(argv[0])) |
50e1e10f | 1121 | return; |
fc6d9d51 | 1122 | retval = ext2fs_new_inode(current_fs, cwd, 010755, 0, &newfile); |
50e1e10f TT |
1123 | if (retval) { |
1124 | com_err(argv[0], retval, ""); | |
1125 | return; | |
1126 | } | |
1127 | printf("Allocated inode: %ld\n", newfile); | |
fc6d9d51 | 1128 | retval = ext2fs_link(current_fs, cwd, argv[1], newfile, 0); |
50e1e10f TT |
1129 | if (retval) { |
1130 | if (retval == EXT2_ET_DIR_NO_SPACE) { | |
fc6d9d51 | 1131 | retval = ext2fs_expand_dir(current_fs, cwd); |
50e1e10f | 1132 | if (!retval) |
fc6d9d51 TT |
1133 | retval = ext2fs_link(current_fs, cwd, |
1134 | argv[1], newfile, 0); | |
50e1e10f TT |
1135 | } |
1136 | if (retval) { | |
1137 | com_err(argv[1], retval, ""); | |
1138 | return; | |
1139 | } | |
1140 | } | |
fc6d9d51 | 1141 | if (ext2fs_test_inode_bitmap(current_fs->inode_map,newfile)) |
50e1e10f | 1142 | com_err(argv[0], 0, "Warning: inode already set"); |
fc6d9d51 TT |
1143 | ext2fs_mark_inode_bitmap(current_fs->inode_map, newfile); |
1144 | ext2fs_mark_ib_dirty(current_fs); | |
50e1e10f TT |
1145 | memset(&inode, 0, sizeof(inode)); |
1146 | inode.i_mode = mode; | |
1147 | inode.i_atime = inode.i_ctime = inode.i_mtime = time(NULL); | |
1148 | inode.i_block[0] = major*256+minor; | |
1149 | inode.i_links_count = 1; | |
fc6d9d51 TT |
1150 | ext2fs_write_inode(current_fs, newfile, &inode); |
1151 | retval = ext2fs_write_inode(current_fs, newfile, &inode); | |
50e1e10f TT |
1152 | if (retval) { |
1153 | com_err(argv[0], retval, "while trying to write inode %d", inode); | |
1154 | return; | |
1155 | } | |
1156 | } | |
1157 | ||
3839e657 TT |
1158 | void do_mkdir(int argc, char *argv[]) |
1159 | { | |
1160 | char *cp; | |
1161 | ino_t parent; | |
1162 | char *name; | |
1163 | errcode_t retval; | |
1164 | ||
1165 | if (check_fs_open(argv[0])) | |
1166 | return; | |
1167 | ||
1168 | if (argc != 2) { | |
1169 | com_err(argv[0], 0, "Usage: mkdir <file>"); | |
1170 | return; | |
1171 | } | |
1172 | ||
1173 | cp = strrchr(argv[1], '/'); | |
1174 | if (cp) { | |
1175 | *cp = 0; | |
1176 | parent = string_to_inode(argv[1]); | |
1177 | if (!parent) { | |
1178 | com_err(argv[1], ENOENT, ""); | |
1179 | return; | |
1180 | } | |
1181 | name = cp+1; | |
1182 | } else { | |
1183 | parent = cwd; | |
1184 | name = argv[1]; | |
1185 | } | |
1186 | ||
1187 | ||
fc6d9d51 | 1188 | retval = ext2fs_mkdir(current_fs, parent, 0, name); |
3839e657 TT |
1189 | if (retval) { |
1190 | com_err("ext2fs_mkdir", retval, ""); | |
1191 | return; | |
1192 | } | |
1193 | ||
1194 | } | |
1195 | ||
1196 | void do_rmdir(int argc, char *argv[]) | |
1197 | { | |
1198 | printf("Unimplemented\n"); | |
1199 | } | |
1200 | ||
1201 | ||
50e1e10f TT |
1202 | static int release_blocks_proc(ext2_filsys fs, blk_t *blocknr, |
1203 | int blockcnt, void *private) | |
3839e657 | 1204 | { |
50e1e10f | 1205 | printf("%d ", *blocknr); |
f3db3566 | 1206 | ext2fs_unmark_block_bitmap(fs->block_map,*blocknr); |
3839e657 TT |
1207 | return 0; |
1208 | } | |
1209 | ||
fc6d9d51 | 1210 | static void kill_file_by_inode(ino_t inode) |
3839e657 TT |
1211 | { |
1212 | struct ext2_inode inode_buf; | |
1213 | ||
fc6d9d51 | 1214 | ext2fs_read_inode(current_fs, inode, &inode_buf); |
3839e657 | 1215 | inode_buf.i_dtime = time(NULL); |
fc6d9d51 | 1216 | ext2fs_write_inode(current_fs, inode, &inode_buf); |
3839e657 TT |
1217 | |
1218 | printf("Kill file by inode %ld\n", inode); | |
fc6d9d51 TT |
1219 | ext2fs_block_iterate(current_fs, inode, 0, NULL, |
1220 | release_blocks_proc, NULL); | |
521e3685 | 1221 | printf("\n"); |
fc6d9d51 | 1222 | ext2fs_unmark_inode_bitmap(current_fs->inode_map, inode); |
3839e657 | 1223 | |
fc6d9d51 TT |
1224 | ext2fs_mark_bb_dirty(current_fs); |
1225 | ext2fs_mark_ib_dirty(current_fs); | |
3839e657 TT |
1226 | } |
1227 | ||
1228 | ||
1229 | void do_kill_file(int argc, char *argv[]) | |
1230 | { | |
1231 | ino_t inode_num; | |
1232 | ||
1233 | if (argc != 2) { | |
1234 | com_err(argv[0], 0, "Usage: kill_file <file>"); | |
1235 | return; | |
1236 | } | |
1237 | if (check_fs_open(argv[0])) | |
1238 | return; | |
1239 | ||
1240 | inode_num = string_to_inode(argv[1]); | |
1241 | if (!inode_num) { | |
1242 | com_err(argv[0], 0, "Cannot find file"); | |
1243 | return; | |
1244 | } | |
1245 | kill_file_by_inode(inode_num); | |
1246 | } | |
1247 | ||
1248 | void do_rm(int argc, char *argv[]) | |
1249 | { | |
1250 | int retval; | |
1251 | ino_t inode_num; | |
1252 | struct ext2_inode inode; | |
1253 | ||
1254 | if (argc != 2) { | |
1255 | com_err(argv[0], 0, "Usage: rm <filename>"); | |
1256 | return; | |
1257 | } | |
1258 | if (check_fs_open(argv[0])) | |
1259 | return; | |
1260 | ||
fc6d9d51 | 1261 | retval = ext2fs_namei(current_fs, root, cwd, argv[1], &inode_num); |
3839e657 | 1262 | if (retval) { |
91d6d486 | 1263 | com_err(argv[0], retval, "while trying to resolve filename"); |
3839e657 TT |
1264 | return; |
1265 | } | |
1266 | ||
fc6d9d51 | 1267 | retval = ext2fs_read_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1268 | if (retval) { |
1269 | com_err(argv[0], retval, "while reading file's inode"); | |
1270 | return; | |
1271 | } | |
1272 | ||
50e1e10f | 1273 | if (LINUX_S_ISDIR(inode.i_mode)) { |
3839e657 TT |
1274 | com_err(argv[0], 0, "file is a directory"); |
1275 | return; | |
1276 | } | |
1277 | ||
1278 | --inode.i_links_count; | |
fc6d9d51 | 1279 | retval = ext2fs_write_inode(current_fs,inode_num,&inode); |
3839e657 TT |
1280 | if (retval) { |
1281 | com_err(argv[0], retval, "while writing inode"); | |
1282 | return; | |
1283 | } | |
1284 | ||
1285 | unlink_file_by_name(argv[1]); | |
1286 | if (inode.i_links_count == 0) | |
1287 | kill_file_by_inode(inode_num); | |
1288 | } | |
1289 | ||
1290 | void do_show_debugfs_params(int argc, char *argv[]) | |
1291 | { | |
1292 | FILE *out = stdout; | |
1293 | ||
fc6d9d51 TT |
1294 | if (current_fs) |
1295 | fprintf(out, "Open mode: read-%s\n", | |
1296 | current_fs->flags & EXT2_FLAG_RW ? "write" : "only"); | |
3839e657 | 1297 | fprintf(out, "Filesystem in use: %s\n", |
fc6d9d51 | 1298 | current_fs ? current_fs->device_name : "--none--"); |
3839e657 TT |
1299 | } |
1300 | ||
1301 | void do_expand_dir(int argc, char *argv[]) | |
1302 | { | |
1303 | ino_t inode; | |
1304 | int retval; | |
1305 | ||
1306 | if (argc != 2) { | |
1307 | com_err(argv[0], 0, "Usage: expand_dir <file>"); | |
1308 | return; | |
1309 | } | |
1310 | if (check_fs_open(argv[0])) | |
1311 | return; | |
1312 | inode = string_to_inode(argv[1]); | |
1313 | if (!inode) | |
1314 | return; | |
1315 | ||
fc6d9d51 | 1316 | retval = ext2fs_expand_dir(current_fs, inode); |
3839e657 TT |
1317 | if (retval) |
1318 | com_err("ext2fs_expand_dir", retval, ""); | |
1319 | return; | |
1320 | } | |
1321 | ||
fc6d9d51 TT |
1322 | static int source_file(const char *cmd_file, int sci_idx) |
1323 | { | |
1324 | FILE *f; | |
1325 | char buf[256]; | |
1326 | char *cp; | |
1327 | int exit_status = 0; | |
1328 | int retval; | |
1329 | ||
1330 | if (strcmp(cmd_file, "-") == 0) | |
1331 | f = stdin; | |
1332 | else { | |
1333 | f = fopen(cmd_file, "r"); | |
1334 | if (!f) { | |
1335 | perror(cmd_file); | |
1336 | exit(1); | |
1337 | } | |
1338 | } | |
1339 | setbuf(stdout, NULL); | |
1340 | setbuf(stderr, NULL); | |
1341 | while (!feof(f)) { | |
1342 | if (fgets(buf, sizeof(buf), f) == NULL) | |
1343 | break; | |
1344 | cp = strchr(buf, '\n'); | |
1345 | if (cp) | |
1346 | *cp = 0; | |
1347 | cp = strchr(buf, '\r'); | |
1348 | if (cp) | |
1349 | *cp = 0; | |
1350 | printf("debugfs: %s\n", buf); | |
1351 | retval = ss_execute_line(sci_idx, buf); | |
1352 | if (retval) { | |
1353 | ss_perror(sci_idx, retval, buf); | |
1354 | exit_status++; | |
1355 | } | |
1356 | } | |
1357 | return exit_status; | |
1358 | } | |
1359 | ||
a8859cad | 1360 | int main(int argc, char **argv) |
3839e657 | 1361 | { |
50e1e10f TT |
1362 | int retval; |
1363 | int sci_idx; | |
818180cd | 1364 | const char *usage = "Usage: debugfs [-f cmd_file] [-R request] [-V] [[-w] device]"; |
f1304811 | 1365 | int c; |
50e1e10f | 1366 | int open_flags = 0; |
fc6d9d51 TT |
1367 | char *request = 0; |
1368 | int exit_status = 0; | |
1369 | char *cmd_file = 0; | |
3839e657 TT |
1370 | |
1371 | initialize_ext2_error_table(); | |
818180cd TT |
1372 | fprintf (stderr, "debugfs %s, %s for EXT2 FS %s, %s\n", |
1373 | E2FSPROGS_VERSION, E2FSPROGS_DATE, | |
1374 | EXT2FS_VERSION, EXT2FS_DATE); | |
3839e657 | 1375 | |
818180cd | 1376 | while ((c = getopt (argc, argv, "wR:f:V")) != EOF) { |
3839e657 | 1377 | switch (c) { |
fc6d9d51 TT |
1378 | case 'R': |
1379 | request = optarg; | |
1380 | break; | |
1381 | case 'f': | |
1382 | cmd_file = optarg; | |
1383 | break; | |
3839e657 TT |
1384 | case 'w': |
1385 | open_flags = EXT2_FLAG_RW; | |
1386 | break; | |
818180cd TT |
1387 | case 'V': |
1388 | /* Print version number and exit */ | |
1389 | fprintf(stderr, "\tUsing %s\n", | |
1390 | error_message(EXT2_ET_BASE)); | |
1391 | exit(0); | |
3839e657 TT |
1392 | default: |
1393 | com_err(argv[0], 0, usage); | |
b4ac9cc3 | 1394 | return 1; |
3839e657 TT |
1395 | } |
1396 | } | |
1397 | if (optind < argc) | |
1398 | open_filesystem(argv[optind], open_flags); | |
1399 | ||
1400 | sci_idx = ss_create_invocation("debugfs", "0.0", (char *) NULL, | |
1401 | &debug_cmds, &retval); | |
1402 | if (retval) { | |
1403 | ss_perror(sci_idx, retval, "creating invocation"); | |
1404 | exit(1); | |
1405 | } | |
1406 | ||
1407 | (void) ss_add_request_table (sci_idx, &ss_std_requests, 1, &retval); | |
1408 | if (retval) { | |
1409 | ss_perror(sci_idx, retval, "adding standard requests"); | |
1410 | exit (1); | |
1411 | } | |
fc6d9d51 TT |
1412 | if (request) { |
1413 | retval = 0; | |
1414 | retval = ss_execute_line(sci_idx, request); | |
1415 | if (retval) { | |
1416 | ss_perror(sci_idx, retval, request); | |
1417 | exit_status++; | |
1418 | } | |
1419 | } else if (cmd_file) { | |
1420 | exit_status = source_file(cmd_file, sci_idx); | |
1421 | } else { | |
1422 | ss_listen(sci_idx); | |
1423 | } | |
3839e657 | 1424 | |
fc6d9d51 | 1425 | if (current_fs) |
3839e657 TT |
1426 | close_filesystem(); |
1427 | ||
fc6d9d51 | 1428 | exit(exit_status); |
3839e657 TT |
1429 | } |
1430 |