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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
22 | /* | |
23 | * Copyright 2008 Sun Microsystems, Inc. All rights reserved. | |
24 | * Use is subject to license terms. | |
25 | */ | |
26 | ||
34dc7c2f BB |
27 | #include <assert.h> |
28 | #include <ctype.h> | |
29 | #include <errno.h> | |
30 | #include <libgen.h> | |
31 | #include <libintl.h> | |
32 | #include <libuutil.h> | |
33 | #include <libnvpair.h> | |
34 | #include <locale.h> | |
35 | #include <stddef.h> | |
36 | #include <stdio.h> | |
37 | #include <stdlib.h> | |
38 | #include <strings.h> | |
39 | #include <unistd.h> | |
40 | #include <fcntl.h> | |
41 | #include <zone.h> | |
42 | #include <sys/mkdev.h> | |
43 | #include <sys/mntent.h> | |
44 | #include <sys/mnttab.h> | |
45 | #include <sys/mount.h> | |
46 | #include <sys/stat.h> | |
47 | #include <sys/avl.h> | |
48 | ||
49 | #include <libzfs.h> | |
50 | #include <libuutil.h> | |
51 | ||
52 | #include "zfs_iter.h" | |
53 | #include "zfs_util.h" | |
54 | ||
55 | libzfs_handle_t *g_zfs; | |
56 | ||
57 | static FILE *mnttab_file; | |
58 | static char history_str[HIS_MAX_RECORD_LEN]; | |
59 | ||
60 | static int zfs_do_clone(int argc, char **argv); | |
61 | static int zfs_do_create(int argc, char **argv); | |
62 | static int zfs_do_destroy(int argc, char **argv); | |
63 | static int zfs_do_get(int argc, char **argv); | |
64 | static int zfs_do_inherit(int argc, char **argv); | |
65 | static int zfs_do_list(int argc, char **argv); | |
66 | static int zfs_do_mount(int argc, char **argv); | |
67 | static int zfs_do_rename(int argc, char **argv); | |
68 | static int zfs_do_rollback(int argc, char **argv); | |
69 | static int zfs_do_set(int argc, char **argv); | |
70 | static int zfs_do_upgrade(int argc, char **argv); | |
71 | static int zfs_do_snapshot(int argc, char **argv); | |
72 | static int zfs_do_unmount(int argc, char **argv); | |
73 | static int zfs_do_share(int argc, char **argv); | |
74 | static int zfs_do_unshare(int argc, char **argv); | |
75 | static int zfs_do_send(int argc, char **argv); | |
76 | static int zfs_do_receive(int argc, char **argv); | |
77 | static int zfs_do_promote(int argc, char **argv); | |
78 | static int zfs_do_allow(int argc, char **argv); | |
79 | static int zfs_do_unallow(int argc, char **argv); | |
80 | ||
81 | /* | |
b128c09f | 82 | * Enable a reasonable set of defaults for libumem debugging on DEBUG builds. |
34dc7c2f | 83 | */ |
b128c09f BB |
84 | |
85 | #ifdef DEBUG | |
34dc7c2f BB |
86 | const char * |
87 | _umem_debug_init(void) | |
88 | { | |
89 | return ("default,verbose"); /* $UMEM_DEBUG setting */ | |
90 | } | |
91 | ||
92 | const char * | |
93 | _umem_logging_init(void) | |
94 | { | |
95 | return ("fail,contents"); /* $UMEM_LOGGING setting */ | |
96 | } | |
b128c09f | 97 | #endif |
34dc7c2f BB |
98 | |
99 | typedef enum { | |
100 | HELP_CLONE, | |
101 | HELP_CREATE, | |
102 | HELP_DESTROY, | |
103 | HELP_GET, | |
104 | HELP_INHERIT, | |
105 | HELP_UPGRADE, | |
106 | HELP_LIST, | |
107 | HELP_MOUNT, | |
108 | HELP_PROMOTE, | |
109 | HELP_RECEIVE, | |
110 | HELP_RENAME, | |
111 | HELP_ROLLBACK, | |
112 | HELP_SEND, | |
113 | HELP_SET, | |
114 | HELP_SHARE, | |
115 | HELP_SNAPSHOT, | |
116 | HELP_UNMOUNT, | |
117 | HELP_UNSHARE, | |
118 | HELP_ALLOW, | |
119 | HELP_UNALLOW | |
120 | } zfs_help_t; | |
121 | ||
122 | typedef struct zfs_command { | |
123 | const char *name; | |
124 | int (*func)(int argc, char **argv); | |
125 | zfs_help_t usage; | |
126 | } zfs_command_t; | |
127 | ||
128 | /* | |
129 | * Master command table. Each ZFS command has a name, associated function, and | |
130 | * usage message. The usage messages need to be internationalized, so we have | |
131 | * to have a function to return the usage message based on a command index. | |
132 | * | |
133 | * These commands are organized according to how they are displayed in the usage | |
134 | * message. An empty command (one with a NULL name) indicates an empty line in | |
135 | * the generic usage message. | |
136 | */ | |
137 | static zfs_command_t command_table[] = { | |
138 | { "create", zfs_do_create, HELP_CREATE }, | |
139 | { "destroy", zfs_do_destroy, HELP_DESTROY }, | |
140 | { NULL }, | |
141 | { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT }, | |
142 | { "rollback", zfs_do_rollback, HELP_ROLLBACK }, | |
143 | { "clone", zfs_do_clone, HELP_CLONE }, | |
144 | { "promote", zfs_do_promote, HELP_PROMOTE }, | |
145 | { "rename", zfs_do_rename, HELP_RENAME }, | |
146 | { NULL }, | |
147 | { "list", zfs_do_list, HELP_LIST }, | |
148 | { NULL }, | |
149 | { "set", zfs_do_set, HELP_SET }, | |
150 | { "get", zfs_do_get, HELP_GET }, | |
151 | { "inherit", zfs_do_inherit, HELP_INHERIT }, | |
152 | { "upgrade", zfs_do_upgrade, HELP_UPGRADE }, | |
153 | { NULL }, | |
154 | { "mount", zfs_do_mount, HELP_MOUNT }, | |
155 | { "unmount", zfs_do_unmount, HELP_UNMOUNT }, | |
156 | { "share", zfs_do_share, HELP_SHARE }, | |
157 | { "unshare", zfs_do_unshare, HELP_UNSHARE }, | |
158 | { NULL }, | |
159 | { "send", zfs_do_send, HELP_SEND }, | |
160 | { "receive", zfs_do_receive, HELP_RECEIVE }, | |
161 | { NULL }, | |
162 | { "allow", zfs_do_allow, HELP_ALLOW }, | |
163 | { NULL }, | |
164 | { "unallow", zfs_do_unallow, HELP_UNALLOW }, | |
165 | }; | |
166 | ||
167 | #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) | |
168 | ||
169 | zfs_command_t *current_command; | |
170 | ||
171 | static const char * | |
172 | get_usage(zfs_help_t idx) | |
173 | { | |
174 | switch (idx) { | |
175 | case HELP_CLONE: | |
b128c09f BB |
176 | return (gettext("\tclone [-p] [-o property=value] ... " |
177 | "<snapshot> <filesystem|volume>\n")); | |
34dc7c2f BB |
178 | case HELP_CREATE: |
179 | return (gettext("\tcreate [-p] [-o property=value] ... " | |
180 | "<filesystem>\n" | |
181 | "\tcreate [-ps] [-b blocksize] [-o property=value] ... " | |
182 | "-V <size> <volume>\n")); | |
183 | case HELP_DESTROY: | |
184 | return (gettext("\tdestroy [-rRf] " | |
185 | "<filesystem|volume|snapshot>\n")); | |
186 | case HELP_GET: | |
187 | return (gettext("\tget [-rHp] [-o field[,...]] " | |
188 | "[-s source[,...]]\n" | |
189 | "\t <\"all\" | property[,...]> " | |
190 | "[filesystem|volume|snapshot] ...\n")); | |
191 | case HELP_INHERIT: | |
192 | return (gettext("\tinherit [-r] <property> " | |
b128c09f | 193 | "<filesystem|volume|snapshot> ...\n")); |
34dc7c2f BB |
194 | case HELP_UPGRADE: |
195 | return (gettext("\tupgrade [-v]\n" | |
196 | "\tupgrade [-r] [-V version] <-a | filesystem ...>\n")); | |
197 | case HELP_LIST: | |
198 | return (gettext("\tlist [-rH] [-o property[,...]] " | |
199 | "[-t type[,...]] [-s property] ...\n" | |
200 | "\t [-S property] ... " | |
201 | "[filesystem|volume|snapshot] ...\n")); | |
202 | case HELP_MOUNT: | |
203 | return (gettext("\tmount\n" | |
204 | "\tmount [-vO] [-o opts] <-a | filesystem>\n")); | |
205 | case HELP_PROMOTE: | |
206 | return (gettext("\tpromote <clone-filesystem>\n")); | |
207 | case HELP_RECEIVE: | |
208 | return (gettext("\treceive [-vnF] <filesystem|volume|" | |
209 | "snapshot>\n" | |
210 | "\treceive [-vnF] -d <filesystem>\n")); | |
211 | case HELP_RENAME: | |
212 | return (gettext("\trename <filesystem|volume|snapshot> " | |
213 | "<filesystem|volume|snapshot>\n" | |
214 | "\trename -p <filesystem|volume> <filesystem|volume>\n" | |
215 | "\trename -r <snapshot> <snapshot>")); | |
216 | case HELP_ROLLBACK: | |
217 | return (gettext("\trollback [-rRf] <snapshot>\n")); | |
218 | case HELP_SEND: | |
219 | return (gettext("\tsend [-R] [-[iI] snapshot] <snapshot>\n")); | |
220 | case HELP_SET: | |
221 | return (gettext("\tset <property=value> " | |
b128c09f | 222 | "<filesystem|volume|snapshot> ...\n")); |
34dc7c2f BB |
223 | case HELP_SHARE: |
224 | return (gettext("\tshare <-a | filesystem>\n")); | |
225 | case HELP_SNAPSHOT: | |
b128c09f | 226 | return (gettext("\tsnapshot [-r] [-o property=value] ... " |
34dc7c2f BB |
227 | "<filesystem@snapname|volume@snapname>\n")); |
228 | case HELP_UNMOUNT: | |
229 | return (gettext("\tunmount [-f] " | |
230 | "<-a | filesystem|mountpoint>\n")); | |
231 | case HELP_UNSHARE: | |
232 | return (gettext("\tunshare [-f] " | |
233 | "<-a | filesystem|mountpoint>\n")); | |
234 | case HELP_ALLOW: | |
235 | return (gettext("\tallow [-ldug] " | |
236 | "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n" | |
237 | "\t <filesystem|volume>\n" | |
238 | "\tallow [-ld] -e <perm|@setname>[,...] " | |
239 | "<filesystem|volume>\n" | |
240 | "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n" | |
241 | "\tallow -s @setname <perm|@setname>[,...] " | |
242 | "<filesystem|volume>\n")); | |
243 | case HELP_UNALLOW: | |
244 | return (gettext("\tunallow [-rldug] " | |
245 | "<\"everyone\"|user|group>[,...]\n" | |
246 | "\t [<perm|@setname>[,...]] <filesystem|volume>\n" | |
247 | "\tunallow [-rld] -e [<perm|@setname>[,...]] " | |
248 | "<filesystem|volume>\n" | |
249 | "\tunallow [-r] -c [<perm|@setname>[,...]] " | |
250 | "<filesystem|volume>\n" | |
251 | "\tunallow [-r] -s @setname [<perm|@setname>[,...]] " | |
252 | "<filesystem|volume>\n")); | |
253 | } | |
254 | ||
255 | abort(); | |
256 | /* NOTREACHED */ | |
257 | } | |
258 | ||
259 | /* | |
260 | * Utility function to guarantee malloc() success. | |
261 | */ | |
262 | void * | |
263 | safe_malloc(size_t size) | |
264 | { | |
265 | void *data; | |
266 | ||
267 | if ((data = calloc(1, size)) == NULL) { | |
268 | (void) fprintf(stderr, "internal error: out of memory\n"); | |
269 | exit(1); | |
270 | } | |
271 | ||
272 | return (data); | |
273 | } | |
274 | ||
275 | /* | |
276 | * Callback routine that will print out information for each of | |
277 | * the properties. | |
278 | */ | |
279 | static int | |
280 | usage_prop_cb(int prop, void *cb) | |
281 | { | |
282 | FILE *fp = cb; | |
283 | ||
b128c09f | 284 | (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop)); |
34dc7c2f | 285 | |
b128c09f BB |
286 | if (zfs_prop_readonly(prop)) |
287 | (void) fprintf(fp, " NO "); | |
34dc7c2f | 288 | else |
b128c09f | 289 | (void) fprintf(fp, "YES "); |
34dc7c2f BB |
290 | |
291 | if (zfs_prop_inheritable(prop)) | |
292 | (void) fprintf(fp, " YES "); | |
293 | else | |
294 | (void) fprintf(fp, " NO "); | |
295 | ||
296 | if (zfs_prop_values(prop) == NULL) | |
297 | (void) fprintf(fp, "-\n"); | |
298 | else | |
299 | (void) fprintf(fp, "%s\n", zfs_prop_values(prop)); | |
300 | ||
301 | return (ZPROP_CONT); | |
302 | } | |
303 | ||
304 | /* | |
305 | * Display usage message. If we're inside a command, display only the usage for | |
306 | * that command. Otherwise, iterate over the entire command table and display | |
307 | * a complete usage message. | |
308 | */ | |
309 | static void | |
310 | usage(boolean_t requested) | |
311 | { | |
312 | int i; | |
313 | boolean_t show_properties = B_FALSE; | |
314 | boolean_t show_permissions = B_FALSE; | |
315 | FILE *fp = requested ? stdout : stderr; | |
316 | ||
317 | if (current_command == NULL) { | |
318 | ||
319 | (void) fprintf(fp, gettext("usage: zfs command args ...\n")); | |
320 | (void) fprintf(fp, | |
321 | gettext("where 'command' is one of the following:\n\n")); | |
322 | ||
323 | for (i = 0; i < NCOMMAND; i++) { | |
324 | if (command_table[i].name == NULL) | |
325 | (void) fprintf(fp, "\n"); | |
326 | else | |
327 | (void) fprintf(fp, "%s", | |
328 | get_usage(command_table[i].usage)); | |
329 | } | |
330 | ||
331 | (void) fprintf(fp, gettext("\nEach dataset is of the form: " | |
332 | "pool/[dataset/]*dataset[@name]\n")); | |
333 | } else { | |
334 | (void) fprintf(fp, gettext("usage:\n")); | |
335 | (void) fprintf(fp, "%s", get_usage(current_command->usage)); | |
336 | } | |
337 | ||
338 | if (current_command != NULL && | |
339 | (strcmp(current_command->name, "set") == 0 || | |
340 | strcmp(current_command->name, "get") == 0 || | |
341 | strcmp(current_command->name, "inherit") == 0 || | |
342 | strcmp(current_command->name, "list") == 0)) | |
343 | show_properties = B_TRUE; | |
344 | ||
345 | if (current_command != NULL && | |
346 | (strcmp(current_command->name, "allow") == 0 || | |
347 | strcmp(current_command->name, "unallow") == 0)) | |
348 | show_permissions = B_TRUE; | |
349 | ||
350 | if (show_properties) { | |
351 | ||
352 | (void) fprintf(fp, | |
353 | gettext("\nThe following properties are supported:\n")); | |
354 | ||
355 | (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n", | |
356 | "PROPERTY", "EDIT", "INHERIT", "VALUES"); | |
357 | ||
358 | /* Iterate over all properties */ | |
359 | (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE, | |
360 | ZFS_TYPE_DATASET); | |
361 | ||
362 | (void) fprintf(fp, gettext("\nSizes are specified in bytes " | |
363 | "with standard units such as K, M, G, etc.\n")); | |
b128c09f | 364 | (void) fprintf(fp, gettext("\nUser-defined properties can " |
34dc7c2f BB |
365 | "be specified by using a name containing a colon (:).\n")); |
366 | ||
367 | } else if (show_permissions) { | |
368 | (void) fprintf(fp, | |
369 | gettext("\nThe following permissions are supported:\n")); | |
370 | ||
371 | zfs_deleg_permissions(); | |
372 | } else { | |
373 | /* | |
374 | * TRANSLATION NOTE: | |
375 | * "zfs set|get" must not be localised this is the | |
376 | * command name and arguments. | |
377 | */ | |
378 | ||
379 | (void) fprintf(fp, | |
380 | gettext("\nFor the property list, run: zfs set|get\n")); | |
381 | ||
382 | (void) fprintf(fp, | |
383 | gettext("\nFor the delegated permission list, run:" | |
384 | " zfs allow|unallow\n")); | |
385 | } | |
386 | ||
387 | /* | |
388 | * See comments at end of main(). | |
389 | */ | |
390 | if (getenv("ZFS_ABORT") != NULL) { | |
391 | (void) printf("dumping core by request\n"); | |
392 | abort(); | |
393 | } | |
394 | ||
395 | exit(requested ? 0 : 2); | |
396 | } | |
397 | ||
b128c09f BB |
398 | static int |
399 | parseprop(nvlist_t *props) | |
400 | { | |
401 | char *propname = optarg; | |
402 | char *propval, *strval; | |
403 | ||
404 | if ((propval = strchr(propname, '=')) == NULL) { | |
405 | (void) fprintf(stderr, gettext("missing " | |
406 | "'=' for -o option\n")); | |
407 | return (-1); | |
408 | } | |
409 | *propval = '\0'; | |
410 | propval++; | |
411 | if (nvlist_lookup_string(props, propname, &strval) == 0) { | |
412 | (void) fprintf(stderr, gettext("property '%s' " | |
413 | "specified multiple times\n"), propname); | |
414 | return (-1); | |
415 | } | |
416 | if (nvlist_add_string(props, propname, propval) != 0) { | |
417 | (void) fprintf(stderr, gettext("internal " | |
418 | "error: out of memory\n")); | |
419 | return (-1); | |
420 | } | |
421 | return (0); | |
422 | ||
423 | } | |
424 | ||
34dc7c2f | 425 | /* |
b128c09f | 426 | * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol> |
34dc7c2f BB |
427 | * |
428 | * Given an existing dataset, create a writable copy whose initial contents | |
429 | * are the same as the source. The newly created dataset maintains a | |
430 | * dependency on the original; the original cannot be destroyed so long as | |
431 | * the clone exists. | |
432 | * | |
433 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
434 | */ | |
435 | static int | |
436 | zfs_do_clone(int argc, char **argv) | |
437 | { | |
b128c09f | 438 | zfs_handle_t *zhp = NULL; |
34dc7c2f | 439 | boolean_t parents = B_FALSE; |
b128c09f | 440 | nvlist_t *props; |
34dc7c2f BB |
441 | int ret; |
442 | int c; | |
443 | ||
b128c09f BB |
444 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { |
445 | (void) fprintf(stderr, gettext("internal error: " | |
446 | "out of memory\n")); | |
447 | return (1); | |
448 | } | |
449 | ||
34dc7c2f | 450 | /* check options */ |
b128c09f | 451 | while ((c = getopt(argc, argv, "o:p")) != -1) { |
34dc7c2f | 452 | switch (c) { |
b128c09f BB |
453 | case 'o': |
454 | if (parseprop(props)) | |
455 | return (1); | |
456 | break; | |
34dc7c2f BB |
457 | case 'p': |
458 | parents = B_TRUE; | |
459 | break; | |
460 | case '?': | |
461 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
462 | optopt); | |
b128c09f | 463 | goto usage; |
34dc7c2f BB |
464 | } |
465 | } | |
466 | ||
467 | argc -= optind; | |
468 | argv += optind; | |
469 | ||
470 | /* check number of arguments */ | |
471 | if (argc < 1) { | |
472 | (void) fprintf(stderr, gettext("missing source dataset " | |
473 | "argument\n")); | |
b128c09f | 474 | goto usage; |
34dc7c2f BB |
475 | } |
476 | if (argc < 2) { | |
477 | (void) fprintf(stderr, gettext("missing target dataset " | |
478 | "argument\n")); | |
b128c09f | 479 | goto usage; |
34dc7c2f BB |
480 | } |
481 | if (argc > 2) { | |
482 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
b128c09f | 483 | goto usage; |
34dc7c2f BB |
484 | } |
485 | ||
486 | /* open the source dataset */ | |
487 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) | |
488 | return (1); | |
489 | ||
490 | if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM | | |
491 | ZFS_TYPE_VOLUME)) { | |
492 | /* | |
493 | * Now create the ancestors of the target dataset. If the | |
494 | * target already exists and '-p' option was used we should not | |
495 | * complain. | |
496 | */ | |
497 | if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | | |
498 | ZFS_TYPE_VOLUME)) | |
499 | return (0); | |
500 | if (zfs_create_ancestors(g_zfs, argv[1]) != 0) | |
501 | return (1); | |
502 | } | |
503 | ||
504 | /* pass to libzfs */ | |
b128c09f | 505 | ret = zfs_clone(zhp, argv[1], props); |
34dc7c2f BB |
506 | |
507 | /* create the mountpoint if necessary */ | |
508 | if (ret == 0) { | |
509 | zfs_handle_t *clone; | |
510 | ||
511 | clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET); | |
512 | if (clone != NULL) { | |
513 | if ((ret = zfs_mount(clone, NULL, 0)) == 0) | |
514 | ret = zfs_share(clone); | |
515 | zfs_close(clone); | |
516 | } | |
517 | } | |
518 | ||
519 | zfs_close(zhp); | |
b128c09f | 520 | nvlist_free(props); |
34dc7c2f | 521 | |
b128c09f BB |
522 | return (!!ret); |
523 | ||
524 | usage: | |
525 | if (zhp) | |
526 | zfs_close(zhp); | |
527 | nvlist_free(props); | |
528 | usage(B_FALSE); | |
529 | return (-1); | |
34dc7c2f BB |
530 | } |
531 | ||
532 | /* | |
533 | * zfs create [-p] [-o prop=value] ... fs | |
534 | * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size | |
535 | * | |
536 | * Create a new dataset. This command can be used to create filesystems | |
537 | * and volumes. Snapshot creation is handled by 'zfs snapshot'. | |
538 | * For volumes, the user must specify a size to be used. | |
539 | * | |
540 | * The '-s' flag applies only to volumes, and indicates that we should not try | |
541 | * to set the reservation for this volume. By default we set a reservation | |
542 | * equal to the size for any volume. For pools with SPA_VERSION >= | |
543 | * SPA_VERSION_REFRESERVATION, we set a refreservation instead. | |
544 | * | |
545 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
546 | */ | |
547 | static int | |
548 | zfs_do_create(int argc, char **argv) | |
549 | { | |
550 | zfs_type_t type = ZFS_TYPE_FILESYSTEM; | |
551 | zfs_handle_t *zhp = NULL; | |
552 | uint64_t volsize; | |
553 | int c; | |
554 | boolean_t noreserve = B_FALSE; | |
555 | boolean_t bflag = B_FALSE; | |
556 | boolean_t parents = B_FALSE; | |
557 | int ret = 1; | |
b128c09f | 558 | nvlist_t *props; |
34dc7c2f | 559 | uint64_t intval; |
34dc7c2f BB |
560 | int canmount; |
561 | ||
562 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
563 | (void) fprintf(stderr, gettext("internal error: " | |
564 | "out of memory\n")); | |
565 | return (1); | |
566 | } | |
567 | ||
568 | /* check options */ | |
569 | while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) { | |
570 | switch (c) { | |
571 | case 'V': | |
572 | type = ZFS_TYPE_VOLUME; | |
573 | if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { | |
574 | (void) fprintf(stderr, gettext("bad volume " | |
575 | "size '%s': %s\n"), optarg, | |
576 | libzfs_error_description(g_zfs)); | |
577 | goto error; | |
578 | } | |
579 | ||
580 | if (nvlist_add_uint64(props, | |
581 | zfs_prop_to_name(ZFS_PROP_VOLSIZE), | |
582 | intval) != 0) { | |
583 | (void) fprintf(stderr, gettext("internal " | |
584 | "error: out of memory\n")); | |
585 | goto error; | |
586 | } | |
587 | volsize = intval; | |
588 | break; | |
589 | case 'p': | |
590 | parents = B_TRUE; | |
591 | break; | |
592 | case 'b': | |
593 | bflag = B_TRUE; | |
594 | if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { | |
595 | (void) fprintf(stderr, gettext("bad volume " | |
596 | "block size '%s': %s\n"), optarg, | |
597 | libzfs_error_description(g_zfs)); | |
598 | goto error; | |
599 | } | |
600 | ||
601 | if (nvlist_add_uint64(props, | |
602 | zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
603 | intval) != 0) { | |
604 | (void) fprintf(stderr, gettext("internal " | |
605 | "error: out of memory\n")); | |
606 | goto error; | |
607 | } | |
608 | break; | |
609 | case 'o': | |
b128c09f | 610 | if (parseprop(props)) |
34dc7c2f | 611 | goto error; |
34dc7c2f BB |
612 | break; |
613 | case 's': | |
614 | noreserve = B_TRUE; | |
615 | break; | |
616 | case ':': | |
617 | (void) fprintf(stderr, gettext("missing size " | |
618 | "argument\n")); | |
619 | goto badusage; | |
620 | break; | |
621 | case '?': | |
622 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
623 | optopt); | |
624 | goto badusage; | |
625 | } | |
626 | } | |
627 | ||
628 | if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) { | |
629 | (void) fprintf(stderr, gettext("'-s' and '-b' can only be " | |
630 | "used when creating a volume\n")); | |
631 | goto badusage; | |
632 | } | |
633 | ||
634 | argc -= optind; | |
635 | argv += optind; | |
636 | ||
637 | /* check number of arguments */ | |
638 | if (argc == 0) { | |
639 | (void) fprintf(stderr, gettext("missing %s argument\n"), | |
640 | zfs_type_to_name(type)); | |
641 | goto badusage; | |
642 | } | |
643 | if (argc > 1) { | |
644 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
645 | goto badusage; | |
646 | } | |
647 | ||
648 | if (type == ZFS_TYPE_VOLUME && !noreserve) { | |
649 | zpool_handle_t *zpool_handle; | |
650 | uint64_t spa_version; | |
651 | char *p; | |
652 | zfs_prop_t resv_prop; | |
b128c09f | 653 | char *strval; |
34dc7c2f BB |
654 | |
655 | if (p = strchr(argv[0], '/')) | |
656 | *p = '\0'; | |
657 | zpool_handle = zpool_open(g_zfs, argv[0]); | |
658 | if (p != NULL) | |
659 | *p = '/'; | |
660 | if (zpool_handle == NULL) | |
661 | goto error; | |
662 | spa_version = zpool_get_prop_int(zpool_handle, | |
663 | ZPOOL_PROP_VERSION, NULL); | |
664 | zpool_close(zpool_handle); | |
665 | if (spa_version >= SPA_VERSION_REFRESERVATION) | |
666 | resv_prop = ZFS_PROP_REFRESERVATION; | |
667 | else | |
668 | resv_prop = ZFS_PROP_RESERVATION; | |
669 | ||
670 | if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop), | |
671 | &strval) != 0) { | |
672 | if (nvlist_add_uint64(props, | |
673 | zfs_prop_to_name(resv_prop), volsize) != 0) { | |
674 | (void) fprintf(stderr, gettext("internal " | |
675 | "error: out of memory\n")); | |
676 | nvlist_free(props); | |
677 | return (1); | |
678 | } | |
679 | } | |
680 | } | |
681 | ||
682 | if (parents && zfs_name_valid(argv[0], type)) { | |
683 | /* | |
684 | * Now create the ancestors of target dataset. If the target | |
685 | * already exists and '-p' option was used we should not | |
686 | * complain. | |
687 | */ | |
688 | if (zfs_dataset_exists(g_zfs, argv[0], type)) { | |
689 | ret = 0; | |
690 | goto error; | |
691 | } | |
692 | if (zfs_create_ancestors(g_zfs, argv[0]) != 0) | |
693 | goto error; | |
694 | } | |
695 | ||
696 | /* pass to libzfs */ | |
697 | if (zfs_create(g_zfs, argv[0], type, props) != 0) | |
698 | goto error; | |
699 | ||
700 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) | |
701 | goto error; | |
702 | /* | |
703 | * if the user doesn't want the dataset automatically mounted, | |
704 | * then skip the mount/share step | |
705 | */ | |
706 | ||
707 | canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); | |
708 | ||
709 | /* | |
710 | * Mount and/or share the new filesystem as appropriate. We provide a | |
711 | * verbose error message to let the user know that their filesystem was | |
712 | * in fact created, even if we failed to mount or share it. | |
713 | */ | |
714 | ret = 0; | |
715 | if (canmount == ZFS_CANMOUNT_ON) { | |
716 | if (zfs_mount(zhp, NULL, 0) != 0) { | |
717 | (void) fprintf(stderr, gettext("filesystem " | |
718 | "successfully created, but not mounted\n")); | |
719 | ret = 1; | |
720 | } else if (zfs_share(zhp) != 0) { | |
721 | (void) fprintf(stderr, gettext("filesystem " | |
722 | "successfully created, but not shared\n")); | |
723 | ret = 1; | |
724 | } | |
725 | } | |
726 | ||
727 | error: | |
728 | if (zhp) | |
729 | zfs_close(zhp); | |
730 | nvlist_free(props); | |
731 | return (ret); | |
732 | badusage: | |
733 | nvlist_free(props); | |
734 | usage(B_FALSE); | |
735 | return (2); | |
736 | } | |
737 | ||
738 | /* | |
739 | * zfs destroy [-rf] <fs, snap, vol> | |
740 | * | |
741 | * -r Recursively destroy all children | |
742 | * -R Recursively destroy all dependents, including clones | |
743 | * -f Force unmounting of any dependents | |
744 | * | |
745 | * Destroys the given dataset. By default, it will unmount any filesystems, | |
746 | * and refuse to destroy a dataset that has any dependents. A dependent can | |
747 | * either be a child, or a clone of a child. | |
748 | */ | |
749 | typedef struct destroy_cbdata { | |
750 | boolean_t cb_first; | |
751 | int cb_force; | |
752 | int cb_recurse; | |
753 | int cb_error; | |
754 | int cb_needforce; | |
755 | int cb_doclones; | |
756 | boolean_t cb_closezhp; | |
757 | zfs_handle_t *cb_target; | |
758 | char *cb_snapname; | |
759 | } destroy_cbdata_t; | |
760 | ||
761 | /* | |
762 | * Check for any dependents based on the '-r' or '-R' flags. | |
763 | */ | |
764 | static int | |
765 | destroy_check_dependent(zfs_handle_t *zhp, void *data) | |
766 | { | |
767 | destroy_cbdata_t *cbp = data; | |
768 | const char *tname = zfs_get_name(cbp->cb_target); | |
769 | const char *name = zfs_get_name(zhp); | |
770 | ||
771 | if (strncmp(tname, name, strlen(tname)) == 0 && | |
772 | (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) { | |
773 | /* | |
774 | * This is a direct descendant, not a clone somewhere else in | |
775 | * the hierarchy. | |
776 | */ | |
777 | if (cbp->cb_recurse) | |
778 | goto out; | |
779 | ||
780 | if (cbp->cb_first) { | |
781 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
782 | "%s has children\n"), | |
783 | zfs_get_name(cbp->cb_target), | |
784 | zfs_type_to_name(zfs_get_type(cbp->cb_target))); | |
785 | (void) fprintf(stderr, gettext("use '-r' to destroy " | |
786 | "the following datasets:\n")); | |
787 | cbp->cb_first = B_FALSE; | |
788 | cbp->cb_error = 1; | |
789 | } | |
790 | ||
791 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
792 | } else { | |
793 | /* | |
794 | * This is a clone. We only want to report this if the '-r' | |
795 | * wasn't specified, or the target is a snapshot. | |
796 | */ | |
797 | if (!cbp->cb_recurse && | |
798 | zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT) | |
799 | goto out; | |
800 | ||
801 | if (cbp->cb_first) { | |
802 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
803 | "%s has dependent clones\n"), | |
804 | zfs_get_name(cbp->cb_target), | |
805 | zfs_type_to_name(zfs_get_type(cbp->cb_target))); | |
806 | (void) fprintf(stderr, gettext("use '-R' to destroy " | |
807 | "the following datasets:\n")); | |
808 | cbp->cb_first = B_FALSE; | |
809 | cbp->cb_error = 1; | |
810 | } | |
811 | ||
812 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
813 | } | |
814 | ||
815 | out: | |
816 | zfs_close(zhp); | |
817 | return (0); | |
818 | } | |
819 | ||
820 | static int | |
821 | destroy_callback(zfs_handle_t *zhp, void *data) | |
822 | { | |
823 | destroy_cbdata_t *cbp = data; | |
824 | ||
825 | /* | |
826 | * Ignore pools (which we've already flagged as an error before getting | |
827 | * here. | |
828 | */ | |
829 | if (strchr(zfs_get_name(zhp), '/') == NULL && | |
830 | zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { | |
831 | zfs_close(zhp); | |
832 | return (0); | |
833 | } | |
834 | ||
835 | /* | |
836 | * Bail out on the first error. | |
837 | */ | |
838 | if (zfs_unmount(zhp, NULL, cbp->cb_force ? MS_FORCE : 0) != 0 || | |
839 | zfs_destroy(zhp) != 0) { | |
840 | zfs_close(zhp); | |
841 | return (-1); | |
842 | } | |
843 | ||
844 | zfs_close(zhp); | |
845 | return (0); | |
846 | } | |
847 | ||
848 | static int | |
849 | destroy_snap_clones(zfs_handle_t *zhp, void *arg) | |
850 | { | |
851 | destroy_cbdata_t *cbp = arg; | |
852 | char thissnap[MAXPATHLEN]; | |
853 | zfs_handle_t *szhp; | |
854 | boolean_t closezhp = cbp->cb_closezhp; | |
855 | int rv; | |
856 | ||
857 | (void) snprintf(thissnap, sizeof (thissnap), | |
858 | "%s@%s", zfs_get_name(zhp), cbp->cb_snapname); | |
859 | ||
860 | libzfs_print_on_error(g_zfs, B_FALSE); | |
861 | szhp = zfs_open(g_zfs, thissnap, ZFS_TYPE_SNAPSHOT); | |
862 | libzfs_print_on_error(g_zfs, B_TRUE); | |
863 | if (szhp) { | |
864 | /* | |
865 | * Destroy any clones of this snapshot | |
866 | */ | |
867 | if (zfs_iter_dependents(szhp, B_FALSE, destroy_callback, | |
868 | cbp) != 0) { | |
869 | zfs_close(szhp); | |
870 | if (closezhp) | |
871 | zfs_close(zhp); | |
872 | return (-1); | |
873 | } | |
874 | zfs_close(szhp); | |
875 | } | |
876 | ||
877 | cbp->cb_closezhp = B_TRUE; | |
878 | rv = zfs_iter_filesystems(zhp, destroy_snap_clones, arg); | |
879 | if (closezhp) | |
880 | zfs_close(zhp); | |
881 | return (rv); | |
882 | } | |
883 | ||
884 | static int | |
885 | zfs_do_destroy(int argc, char **argv) | |
886 | { | |
887 | destroy_cbdata_t cb = { 0 }; | |
888 | int c; | |
889 | zfs_handle_t *zhp; | |
890 | char *cp; | |
891 | ||
892 | /* check options */ | |
893 | while ((c = getopt(argc, argv, "frR")) != -1) { | |
894 | switch (c) { | |
895 | case 'f': | |
896 | cb.cb_force = 1; | |
897 | break; | |
898 | case 'r': | |
899 | cb.cb_recurse = 1; | |
900 | break; | |
901 | case 'R': | |
902 | cb.cb_recurse = 1; | |
903 | cb.cb_doclones = 1; | |
904 | break; | |
905 | case '?': | |
906 | default: | |
907 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
908 | optopt); | |
909 | usage(B_FALSE); | |
910 | } | |
911 | } | |
912 | ||
913 | argc -= optind; | |
914 | argv += optind; | |
915 | ||
916 | /* check number of arguments */ | |
917 | if (argc == 0) { | |
918 | (void) fprintf(stderr, gettext("missing path argument\n")); | |
919 | usage(B_FALSE); | |
920 | } | |
921 | if (argc > 1) { | |
922 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
923 | usage(B_FALSE); | |
924 | } | |
925 | ||
926 | /* | |
927 | * If we are doing recursive destroy of a snapshot, then the | |
928 | * named snapshot may not exist. Go straight to libzfs. | |
929 | */ | |
930 | if (cb.cb_recurse && (cp = strchr(argv[0], '@'))) { | |
931 | int ret; | |
932 | ||
933 | *cp = '\0'; | |
934 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) | |
935 | return (1); | |
936 | *cp = '@'; | |
937 | cp++; | |
938 | ||
939 | if (cb.cb_doclones) { | |
940 | cb.cb_snapname = cp; | |
941 | if (destroy_snap_clones(zhp, &cb) != 0) { | |
942 | zfs_close(zhp); | |
943 | return (1); | |
944 | } | |
945 | } | |
946 | ||
947 | ret = zfs_destroy_snaps(zhp, cp); | |
948 | zfs_close(zhp); | |
949 | if (ret) { | |
950 | (void) fprintf(stderr, | |
951 | gettext("no snapshots destroyed\n")); | |
952 | } | |
953 | return (ret != 0); | |
954 | } | |
955 | ||
956 | ||
957 | /* Open the given dataset */ | |
958 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) | |
959 | return (1); | |
960 | ||
961 | cb.cb_target = zhp; | |
962 | ||
963 | /* | |
964 | * Perform an explicit check for pools before going any further. | |
965 | */ | |
966 | if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL && | |
967 | zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { | |
968 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
969 | "operation does not apply to pools\n"), | |
970 | zfs_get_name(zhp)); | |
971 | (void) fprintf(stderr, gettext("use 'zfs destroy -r " | |
972 | "%s' to destroy all datasets in the pool\n"), | |
973 | zfs_get_name(zhp)); | |
974 | (void) fprintf(stderr, gettext("use 'zpool destroy %s' " | |
975 | "to destroy the pool itself\n"), zfs_get_name(zhp)); | |
976 | zfs_close(zhp); | |
977 | return (1); | |
978 | } | |
979 | ||
980 | /* | |
981 | * Check for any dependents and/or clones. | |
982 | */ | |
983 | cb.cb_first = B_TRUE; | |
984 | if (!cb.cb_doclones && | |
985 | zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent, | |
986 | &cb) != 0) { | |
987 | zfs_close(zhp); | |
988 | return (1); | |
989 | } | |
990 | ||
991 | if (cb.cb_error || | |
992 | zfs_iter_dependents(zhp, B_FALSE, destroy_callback, &cb) != 0) { | |
993 | zfs_close(zhp); | |
994 | return (1); | |
995 | } | |
996 | ||
997 | /* | |
998 | * Do the real thing. The callback will close the handle regardless of | |
999 | * whether it succeeds or not. | |
1000 | */ | |
1001 | ||
1002 | if (destroy_callback(zhp, &cb) != 0) | |
1003 | return (1); | |
1004 | ||
1005 | ||
1006 | return (0); | |
1007 | } | |
1008 | ||
1009 | /* | |
1010 | * zfs get [-rHp] [-o field[,field]...] [-s source[,source]...] | |
1011 | * < all | property[,property]... > < fs | snap | vol > ... | |
1012 | * | |
1013 | * -r recurse over any child datasets | |
1014 | * -H scripted mode. Headers are stripped, and fields are separated | |
1015 | * by tabs instead of spaces. | |
1016 | * -o Set of fields to display. One of "name,property,value,source". | |
1017 | * Default is all four. | |
1018 | * -s Set of sources to allow. One of | |
1019 | * "local,default,inherited,temporary,none". Default is all | |
1020 | * five. | |
1021 | * -p Display values in parsable (literal) format. | |
1022 | * | |
1023 | * Prints properties for the given datasets. The user can control which | |
1024 | * columns to display as well as which property types to allow. | |
1025 | */ | |
1026 | ||
1027 | /* | |
1028 | * Invoked to display the properties for a single dataset. | |
1029 | */ | |
1030 | static int | |
1031 | get_callback(zfs_handle_t *zhp, void *data) | |
1032 | { | |
1033 | char buf[ZFS_MAXPROPLEN]; | |
1034 | zprop_source_t sourcetype; | |
1035 | char source[ZFS_MAXNAMELEN]; | |
1036 | zprop_get_cbdata_t *cbp = data; | |
1037 | nvlist_t *userprop = zfs_get_user_props(zhp); | |
1038 | zprop_list_t *pl = cbp->cb_proplist; | |
1039 | nvlist_t *propval; | |
1040 | char *strval; | |
1041 | char *sourceval; | |
1042 | ||
1043 | for (; pl != NULL; pl = pl->pl_next) { | |
1044 | /* | |
1045 | * Skip the special fake placeholder. This will also skip over | |
1046 | * the name property when 'all' is specified. | |
1047 | */ | |
1048 | if (pl->pl_prop == ZFS_PROP_NAME && | |
1049 | pl == cbp->cb_proplist) | |
1050 | continue; | |
1051 | ||
1052 | if (pl->pl_prop != ZPROP_INVAL) { | |
1053 | if (zfs_prop_get(zhp, pl->pl_prop, buf, | |
1054 | sizeof (buf), &sourcetype, source, | |
1055 | sizeof (source), | |
1056 | cbp->cb_literal) != 0) { | |
1057 | if (pl->pl_all) | |
1058 | continue; | |
1059 | if (!zfs_prop_valid_for_type(pl->pl_prop, | |
1060 | ZFS_TYPE_DATASET)) { | |
1061 | (void) fprintf(stderr, | |
1062 | gettext("No such property '%s'\n"), | |
1063 | zfs_prop_to_name(pl->pl_prop)); | |
1064 | continue; | |
1065 | } | |
1066 | sourcetype = ZPROP_SRC_NONE; | |
1067 | (void) strlcpy(buf, "-", sizeof (buf)); | |
1068 | } | |
1069 | ||
1070 | zprop_print_one_property(zfs_get_name(zhp), cbp, | |
1071 | zfs_prop_to_name(pl->pl_prop), | |
1072 | buf, sourcetype, source); | |
1073 | } else { | |
1074 | if (nvlist_lookup_nvlist(userprop, | |
1075 | pl->pl_user_prop, &propval) != 0) { | |
1076 | if (pl->pl_all) | |
1077 | continue; | |
1078 | sourcetype = ZPROP_SRC_NONE; | |
1079 | strval = "-"; | |
1080 | } else { | |
1081 | verify(nvlist_lookup_string(propval, | |
1082 | ZPROP_VALUE, &strval) == 0); | |
1083 | verify(nvlist_lookup_string(propval, | |
1084 | ZPROP_SOURCE, &sourceval) == 0); | |
1085 | ||
1086 | if (strcmp(sourceval, | |
1087 | zfs_get_name(zhp)) == 0) { | |
1088 | sourcetype = ZPROP_SRC_LOCAL; | |
1089 | } else { | |
1090 | sourcetype = ZPROP_SRC_INHERITED; | |
1091 | (void) strlcpy(source, | |
1092 | sourceval, sizeof (source)); | |
1093 | } | |
1094 | } | |
1095 | ||
1096 | zprop_print_one_property(zfs_get_name(zhp), cbp, | |
1097 | pl->pl_user_prop, strval, sourcetype, | |
1098 | source); | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | return (0); | |
1103 | } | |
1104 | ||
1105 | static int | |
1106 | zfs_do_get(int argc, char **argv) | |
1107 | { | |
1108 | zprop_get_cbdata_t cb = { 0 }; | |
b128c09f | 1109 | int i, c, flags = 0; |
34dc7c2f BB |
1110 | char *value, *fields; |
1111 | int ret; | |
1112 | zprop_list_t fake_name = { 0 }; | |
1113 | ||
1114 | /* | |
1115 | * Set up default columns and sources. | |
1116 | */ | |
1117 | cb.cb_sources = ZPROP_SRC_ALL; | |
1118 | cb.cb_columns[0] = GET_COL_NAME; | |
1119 | cb.cb_columns[1] = GET_COL_PROPERTY; | |
1120 | cb.cb_columns[2] = GET_COL_VALUE; | |
1121 | cb.cb_columns[3] = GET_COL_SOURCE; | |
1122 | cb.cb_type = ZFS_TYPE_DATASET; | |
1123 | ||
1124 | /* check options */ | |
1125 | while ((c = getopt(argc, argv, ":o:s:rHp")) != -1) { | |
1126 | switch (c) { | |
1127 | case 'p': | |
1128 | cb.cb_literal = B_TRUE; | |
1129 | break; | |
1130 | case 'r': | |
b128c09f | 1131 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f BB |
1132 | break; |
1133 | case 'H': | |
1134 | cb.cb_scripted = B_TRUE; | |
1135 | break; | |
1136 | case ':': | |
1137 | (void) fprintf(stderr, gettext("missing argument for " | |
1138 | "'%c' option\n"), optopt); | |
1139 | usage(B_FALSE); | |
1140 | break; | |
1141 | case 'o': | |
1142 | /* | |
1143 | * Process the set of columns to display. We zero out | |
1144 | * the structure to give us a blank slate. | |
1145 | */ | |
1146 | bzero(&cb.cb_columns, sizeof (cb.cb_columns)); | |
1147 | i = 0; | |
1148 | while (*optarg != '\0') { | |
1149 | static char *col_subopts[] = | |
1150 | { "name", "property", "value", "source", | |
1151 | NULL }; | |
1152 | ||
1153 | if (i == 4) { | |
1154 | (void) fprintf(stderr, gettext("too " | |
1155 | "many fields given to -o " | |
1156 | "option\n")); | |
1157 | usage(B_FALSE); | |
1158 | } | |
1159 | ||
1160 | switch (getsubopt(&optarg, col_subopts, | |
1161 | &value)) { | |
1162 | case 0: | |
1163 | cb.cb_columns[i++] = GET_COL_NAME; | |
1164 | break; | |
1165 | case 1: | |
1166 | cb.cb_columns[i++] = GET_COL_PROPERTY; | |
1167 | break; | |
1168 | case 2: | |
1169 | cb.cb_columns[i++] = GET_COL_VALUE; | |
1170 | break; | |
1171 | case 3: | |
1172 | cb.cb_columns[i++] = GET_COL_SOURCE; | |
1173 | break; | |
1174 | default: | |
1175 | (void) fprintf(stderr, | |
1176 | gettext("invalid column name " | |
1177 | "'%s'\n"), value); | |
1178 | usage(B_FALSE); | |
1179 | } | |
1180 | } | |
1181 | break; | |
1182 | ||
1183 | case 's': | |
1184 | cb.cb_sources = 0; | |
1185 | while (*optarg != '\0') { | |
1186 | static char *source_subopts[] = { | |
1187 | "local", "default", "inherited", | |
1188 | "temporary", "none", NULL }; | |
1189 | ||
1190 | switch (getsubopt(&optarg, source_subopts, | |
1191 | &value)) { | |
1192 | case 0: | |
1193 | cb.cb_sources |= ZPROP_SRC_LOCAL; | |
1194 | break; | |
1195 | case 1: | |
1196 | cb.cb_sources |= ZPROP_SRC_DEFAULT; | |
1197 | break; | |
1198 | case 2: | |
1199 | cb.cb_sources |= ZPROP_SRC_INHERITED; | |
1200 | break; | |
1201 | case 3: | |
1202 | cb.cb_sources |= ZPROP_SRC_TEMPORARY; | |
1203 | break; | |
1204 | case 4: | |
1205 | cb.cb_sources |= ZPROP_SRC_NONE; | |
1206 | break; | |
1207 | default: | |
1208 | (void) fprintf(stderr, | |
1209 | gettext("invalid source " | |
1210 | "'%s'\n"), value); | |
1211 | usage(B_FALSE); | |
1212 | } | |
1213 | } | |
1214 | break; | |
1215 | ||
1216 | case '?': | |
1217 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1218 | optopt); | |
1219 | usage(B_FALSE); | |
1220 | } | |
1221 | } | |
1222 | ||
1223 | argc -= optind; | |
1224 | argv += optind; | |
1225 | ||
1226 | if (argc < 1) { | |
1227 | (void) fprintf(stderr, gettext("missing property " | |
1228 | "argument\n")); | |
1229 | usage(B_FALSE); | |
1230 | } | |
1231 | ||
1232 | fields = argv[0]; | |
1233 | ||
1234 | if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) | |
1235 | != 0) | |
1236 | usage(B_FALSE); | |
1237 | ||
1238 | argc--; | |
1239 | argv++; | |
1240 | ||
1241 | /* | |
1242 | * As part of zfs_expand_proplist(), we keep track of the maximum column | |
1243 | * width for each property. For the 'NAME' (and 'SOURCE') columns, we | |
1244 | * need to know the maximum name length. However, the user likely did | |
1245 | * not specify 'name' as one of the properties to fetch, so we need to | |
1246 | * make sure we always include at least this property for | |
1247 | * print_get_headers() to work properly. | |
1248 | */ | |
1249 | if (cb.cb_proplist != NULL) { | |
1250 | fake_name.pl_prop = ZFS_PROP_NAME; | |
1251 | fake_name.pl_width = strlen(gettext("NAME")); | |
1252 | fake_name.pl_next = cb.cb_proplist; | |
1253 | cb.cb_proplist = &fake_name; | |
1254 | } | |
1255 | ||
1256 | cb.cb_first = B_TRUE; | |
1257 | ||
1258 | /* run for each object */ | |
b128c09f BB |
1259 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, NULL, |
1260 | &cb.cb_proplist, get_callback, &cb); | |
34dc7c2f BB |
1261 | |
1262 | if (cb.cb_proplist == &fake_name) | |
1263 | zprop_free_list(fake_name.pl_next); | |
1264 | else | |
1265 | zprop_free_list(cb.cb_proplist); | |
1266 | ||
1267 | return (ret); | |
1268 | } | |
1269 | ||
1270 | /* | |
1271 | * inherit [-r] <property> <fs|vol> ... | |
1272 | * | |
1273 | * -r Recurse over all children | |
1274 | * | |
1275 | * For each dataset specified on the command line, inherit the given property | |
1276 | * from its parent. Inheriting a property at the pool level will cause it to | |
1277 | * use the default value. The '-r' flag will recurse over all children, and is | |
1278 | * useful for setting a property on a hierarchy-wide basis, regardless of any | |
1279 | * local modifications for each dataset. | |
1280 | */ | |
1281 | ||
1282 | static int | |
b128c09f | 1283 | inherit_recurse_cb(zfs_handle_t *zhp, void *data) |
34dc7c2f BB |
1284 | { |
1285 | char *propname = data; | |
b128c09f | 1286 | zfs_prop_t prop = zfs_name_to_prop(propname); |
34dc7c2f | 1287 | |
b128c09f BB |
1288 | /* |
1289 | * If we're doing it recursively, then ignore properties that | |
1290 | * are not valid for this type of dataset. | |
1291 | */ | |
1292 | if (prop != ZPROP_INVAL && | |
1293 | !zfs_prop_valid_for_type(prop, zfs_get_type(zhp))) | |
1294 | return (0); | |
1295 | ||
1296 | return (zfs_prop_inherit(zhp, propname) != 0); | |
1297 | } | |
1298 | ||
1299 | static int | |
1300 | inherit_cb(zfs_handle_t *zhp, void *data) | |
1301 | { | |
1302 | char *propname = data; | |
1303 | ||
1304 | return (zfs_prop_inherit(zhp, propname) != 0); | |
34dc7c2f BB |
1305 | } |
1306 | ||
1307 | static int | |
1308 | zfs_do_inherit(int argc, char **argv) | |
1309 | { | |
34dc7c2f BB |
1310 | int c; |
1311 | zfs_prop_t prop; | |
1312 | char *propname; | |
1313 | int ret; | |
b128c09f | 1314 | int flags = 0; |
34dc7c2f BB |
1315 | |
1316 | /* check options */ | |
1317 | while ((c = getopt(argc, argv, "r")) != -1) { | |
1318 | switch (c) { | |
1319 | case 'r': | |
b128c09f | 1320 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f BB |
1321 | break; |
1322 | case '?': | |
1323 | default: | |
1324 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1325 | optopt); | |
1326 | usage(B_FALSE); | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | argc -= optind; | |
1331 | argv += optind; | |
1332 | ||
1333 | /* check number of arguments */ | |
1334 | if (argc < 1) { | |
1335 | (void) fprintf(stderr, gettext("missing property argument\n")); | |
1336 | usage(B_FALSE); | |
1337 | } | |
1338 | if (argc < 2) { | |
1339 | (void) fprintf(stderr, gettext("missing dataset argument\n")); | |
1340 | usage(B_FALSE); | |
1341 | } | |
1342 | ||
1343 | propname = argv[0]; | |
1344 | argc--; | |
1345 | argv++; | |
1346 | ||
1347 | if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { | |
1348 | if (zfs_prop_readonly(prop)) { | |
1349 | (void) fprintf(stderr, gettext( | |
1350 | "%s property is read-only\n"), | |
1351 | propname); | |
1352 | return (1); | |
1353 | } | |
1354 | if (!zfs_prop_inheritable(prop)) { | |
1355 | (void) fprintf(stderr, gettext("'%s' property cannot " | |
1356 | "be inherited\n"), propname); | |
1357 | if (prop == ZFS_PROP_QUOTA || | |
1358 | prop == ZFS_PROP_RESERVATION || | |
1359 | prop == ZFS_PROP_REFQUOTA || | |
1360 | prop == ZFS_PROP_REFRESERVATION) | |
1361 | (void) fprintf(stderr, gettext("use 'zfs set " | |
1362 | "%s=none' to clear\n"), propname); | |
1363 | return (1); | |
1364 | } | |
1365 | } else if (!zfs_prop_user(propname)) { | |
1366 | (void) fprintf(stderr, gettext("invalid property '%s'\n"), | |
1367 | propname); | |
1368 | usage(B_FALSE); | |
1369 | } | |
1370 | ||
b128c09f BB |
1371 | if (flags & ZFS_ITER_RECURSE) { |
1372 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, | |
1373 | NULL, NULL, inherit_recurse_cb, propname); | |
1374 | } else { | |
1375 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, | |
1376 | NULL, NULL, inherit_cb, propname); | |
1377 | } | |
34dc7c2f BB |
1378 | |
1379 | return (ret); | |
1380 | } | |
1381 | ||
1382 | typedef struct upgrade_cbdata { | |
1383 | uint64_t cb_numupgraded; | |
1384 | uint64_t cb_numsamegraded; | |
1385 | uint64_t cb_numfailed; | |
1386 | uint64_t cb_version; | |
1387 | boolean_t cb_newer; | |
1388 | boolean_t cb_foundone; | |
1389 | char cb_lastfs[ZFS_MAXNAMELEN]; | |
1390 | } upgrade_cbdata_t; | |
1391 | ||
1392 | static int | |
1393 | same_pool(zfs_handle_t *zhp, const char *name) | |
1394 | { | |
1395 | int len1 = strcspn(name, "/@"); | |
1396 | const char *zhname = zfs_get_name(zhp); | |
1397 | int len2 = strcspn(zhname, "/@"); | |
1398 | ||
1399 | if (len1 != len2) | |
1400 | return (B_FALSE); | |
1401 | return (strncmp(name, zhname, len1) == 0); | |
1402 | } | |
1403 | ||
1404 | static int | |
1405 | upgrade_list_callback(zfs_handle_t *zhp, void *data) | |
1406 | { | |
1407 | upgrade_cbdata_t *cb = data; | |
1408 | int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); | |
1409 | ||
1410 | /* list if it's old/new */ | |
1411 | if ((!cb->cb_newer && version < ZPL_VERSION) || | |
1412 | (cb->cb_newer && version > ZPL_VERSION)) { | |
1413 | char *str; | |
1414 | if (cb->cb_newer) { | |
1415 | str = gettext("The following filesystems are " | |
1416 | "formatted using a newer software version and\n" | |
1417 | "cannot be accessed on the current system.\n\n"); | |
1418 | } else { | |
1419 | str = gettext("The following filesystems are " | |
1420 | "out of date, and can be upgraded. After being\n" | |
1421 | "upgraded, these filesystems (and any 'zfs send' " | |
1422 | "streams generated from\n" | |
1423 | "subsequent snapshots) will no longer be " | |
1424 | "accessible by older software versions.\n\n"); | |
1425 | } | |
1426 | ||
1427 | if (!cb->cb_foundone) { | |
1428 | (void) puts(str); | |
1429 | (void) printf(gettext("VER FILESYSTEM\n")); | |
1430 | (void) printf(gettext("--- ------------\n")); | |
1431 | cb->cb_foundone = B_TRUE; | |
1432 | } | |
1433 | ||
1434 | (void) printf("%2u %s\n", version, zfs_get_name(zhp)); | |
1435 | } | |
1436 | ||
1437 | return (0); | |
1438 | } | |
1439 | ||
1440 | static int | |
1441 | upgrade_set_callback(zfs_handle_t *zhp, void *data) | |
1442 | { | |
1443 | upgrade_cbdata_t *cb = data; | |
1444 | int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); | |
1445 | ||
1446 | if (cb->cb_version >= ZPL_VERSION_FUID) { | |
1447 | int spa_version; | |
1448 | ||
1449 | if (zfs_spa_version(zhp, &spa_version) < 0) | |
1450 | return (-1); | |
1451 | ||
1452 | if (spa_version < SPA_VERSION_FUID) { | |
1453 | /* can't upgrade */ | |
1454 | (void) printf(gettext("%s: can not be upgraded; " | |
1455 | "the pool version needs to first be upgraded\nto " | |
1456 | "version %d\n\n"), | |
1457 | zfs_get_name(zhp), SPA_VERSION_FUID); | |
1458 | cb->cb_numfailed++; | |
1459 | return (0); | |
1460 | } | |
1461 | } | |
1462 | ||
1463 | /* upgrade */ | |
1464 | if (version < cb->cb_version) { | |
1465 | char verstr[16]; | |
1466 | (void) snprintf(verstr, sizeof (verstr), | |
1467 | "%llu", cb->cb_version); | |
1468 | if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) { | |
1469 | /* | |
1470 | * If they did "zfs upgrade -a", then we could | |
1471 | * be doing ioctls to different pools. We need | |
1472 | * to log this history once to each pool. | |
1473 | */ | |
1474 | verify(zpool_stage_history(g_zfs, history_str) == 0); | |
1475 | } | |
1476 | if (zfs_prop_set(zhp, "version", verstr) == 0) | |
1477 | cb->cb_numupgraded++; | |
1478 | else | |
1479 | cb->cb_numfailed++; | |
1480 | (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp)); | |
1481 | } else if (version > cb->cb_version) { | |
1482 | /* can't downgrade */ | |
1483 | (void) printf(gettext("%s: can not be downgraded; " | |
1484 | "it is already at version %u\n"), | |
1485 | zfs_get_name(zhp), version); | |
1486 | cb->cb_numfailed++; | |
1487 | } else { | |
1488 | cb->cb_numsamegraded++; | |
1489 | } | |
1490 | return (0); | |
1491 | } | |
1492 | ||
1493 | /* | |
1494 | * zfs upgrade | |
1495 | * zfs upgrade -v | |
1496 | * zfs upgrade [-r] [-V <version>] <-a | filesystem> | |
1497 | */ | |
1498 | static int | |
1499 | zfs_do_upgrade(int argc, char **argv) | |
1500 | { | |
34dc7c2f BB |
1501 | boolean_t all = B_FALSE; |
1502 | boolean_t showversions = B_FALSE; | |
1503 | int ret; | |
1504 | upgrade_cbdata_t cb = { 0 }; | |
1505 | char c; | |
b128c09f | 1506 | int flags = ZFS_ITER_ARGS_CAN_BE_PATHS; |
34dc7c2f BB |
1507 | |
1508 | /* check options */ | |
1509 | while ((c = getopt(argc, argv, "rvV:a")) != -1) { | |
1510 | switch (c) { | |
1511 | case 'r': | |
b128c09f | 1512 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f BB |
1513 | break; |
1514 | case 'v': | |
1515 | showversions = B_TRUE; | |
1516 | break; | |
1517 | case 'V': | |
1518 | if (zfs_prop_string_to_index(ZFS_PROP_VERSION, | |
1519 | optarg, &cb.cb_version) != 0) { | |
1520 | (void) fprintf(stderr, | |
1521 | gettext("invalid version %s\n"), optarg); | |
1522 | usage(B_FALSE); | |
1523 | } | |
1524 | break; | |
1525 | case 'a': | |
1526 | all = B_TRUE; | |
1527 | break; | |
1528 | case '?': | |
1529 | default: | |
1530 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1531 | optopt); | |
1532 | usage(B_FALSE); | |
1533 | } | |
1534 | } | |
1535 | ||
1536 | argc -= optind; | |
1537 | argv += optind; | |
1538 | ||
b128c09f | 1539 | if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version)) |
34dc7c2f | 1540 | usage(B_FALSE); |
b128c09f BB |
1541 | if (showversions && (flags & ZFS_ITER_RECURSE || all || |
1542 | cb.cb_version || argc)) | |
34dc7c2f BB |
1543 | usage(B_FALSE); |
1544 | if ((all || argc) && (showversions)) | |
1545 | usage(B_FALSE); | |
1546 | if (all && argc) | |
1547 | usage(B_FALSE); | |
1548 | ||
1549 | if (showversions) { | |
1550 | /* Show info on available versions. */ | |
1551 | (void) printf(gettext("The following filesystem versions are " | |
1552 | "supported:\n\n")); | |
1553 | (void) printf(gettext("VER DESCRIPTION\n")); | |
1554 | (void) printf("--- -----------------------------------------" | |
1555 | "---------------\n"); | |
1556 | (void) printf(gettext(" 1 Initial ZFS filesystem version\n")); | |
1557 | (void) printf(gettext(" 2 Enhanced directory entries\n")); | |
1558 | (void) printf(gettext(" 3 Case insensitive and File system " | |
1559 | "unique identifer (FUID)\n")); | |
1560 | (void) printf(gettext("\nFor more information on a particular " | |
1561 | "version, including supported releases, see:\n\n")); | |
1562 | (void) printf("http://www.opensolaris.org/os/community/zfs/" | |
1563 | "version/zpl/N\n\n"); | |
1564 | (void) printf(gettext("Where 'N' is the version number.\n")); | |
1565 | ret = 0; | |
1566 | } else if (argc || all) { | |
1567 | /* Upgrade filesystems */ | |
1568 | if (cb.cb_version == 0) | |
1569 | cb.cb_version = ZPL_VERSION; | |
b128c09f BB |
1570 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM, |
1571 | NULL, NULL, upgrade_set_callback, &cb); | |
34dc7c2f BB |
1572 | (void) printf(gettext("%llu filesystems upgraded\n"), |
1573 | cb.cb_numupgraded); | |
1574 | if (cb.cb_numsamegraded) { | |
1575 | (void) printf(gettext("%llu filesystems already at " | |
1576 | "this version\n"), | |
1577 | cb.cb_numsamegraded); | |
1578 | } | |
1579 | if (cb.cb_numfailed != 0) | |
1580 | ret = 1; | |
1581 | } else { | |
1582 | /* List old-version filesytems */ | |
1583 | boolean_t found; | |
1584 | (void) printf(gettext("This system is currently running " | |
1585 | "ZFS filesystem version %llu.\n\n"), ZPL_VERSION); | |
1586 | ||
b128c09f BB |
1587 | flags |= ZFS_ITER_RECURSE; |
1588 | ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, | |
1589 | NULL, NULL, upgrade_list_callback, &cb); | |
34dc7c2f BB |
1590 | |
1591 | found = cb.cb_foundone; | |
1592 | cb.cb_foundone = B_FALSE; | |
1593 | cb.cb_newer = B_TRUE; | |
1594 | ||
b128c09f BB |
1595 | ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, |
1596 | NULL, NULL, upgrade_list_callback, &cb); | |
34dc7c2f BB |
1597 | |
1598 | if (!cb.cb_foundone && !found) { | |
1599 | (void) printf(gettext("All filesystems are " | |
1600 | "formatted with the current version.\n")); | |
1601 | } | |
1602 | } | |
1603 | ||
1604 | return (ret); | |
1605 | } | |
1606 | ||
1607 | /* | |
1608 | * list [-rH] [-o property[,property]...] [-t type[,type]...] | |
1609 | * [-s property [-s property]...] [-S property [-S property]...] | |
1610 | * <dataset> ... | |
1611 | * | |
1612 | * -r Recurse over all children | |
1613 | * -H Scripted mode; elide headers and separate columns by tabs | |
1614 | * -o Control which fields to display. | |
1615 | * -t Control which object types to display. | |
1616 | * -s Specify sort columns, descending order. | |
1617 | * -S Specify sort columns, ascending order. | |
1618 | * | |
1619 | * When given no arguments, lists all filesystems in the system. | |
1620 | * Otherwise, list the specified datasets, optionally recursing down them if | |
1621 | * '-r' is specified. | |
1622 | */ | |
1623 | typedef struct list_cbdata { | |
1624 | boolean_t cb_first; | |
1625 | boolean_t cb_scripted; | |
1626 | zprop_list_t *cb_proplist; | |
1627 | } list_cbdata_t; | |
1628 | ||
1629 | /* | |
1630 | * Given a list of columns to display, output appropriate headers for each one. | |
1631 | */ | |
1632 | static void | |
1633 | print_header(zprop_list_t *pl) | |
1634 | { | |
1635 | char headerbuf[ZFS_MAXPROPLEN]; | |
1636 | const char *header; | |
1637 | int i; | |
1638 | boolean_t first = B_TRUE; | |
1639 | boolean_t right_justify; | |
1640 | ||
1641 | for (; pl != NULL; pl = pl->pl_next) { | |
1642 | if (!first) { | |
1643 | (void) printf(" "); | |
1644 | } else { | |
1645 | first = B_FALSE; | |
1646 | } | |
1647 | ||
1648 | right_justify = B_FALSE; | |
1649 | if (pl->pl_prop != ZPROP_INVAL) { | |
1650 | header = zfs_prop_column_name(pl->pl_prop); | |
1651 | right_justify = zfs_prop_align_right(pl->pl_prop); | |
1652 | } else { | |
1653 | for (i = 0; pl->pl_user_prop[i] != '\0'; i++) | |
1654 | headerbuf[i] = toupper(pl->pl_user_prop[i]); | |
1655 | headerbuf[i] = '\0'; | |
1656 | header = headerbuf; | |
1657 | } | |
1658 | ||
1659 | if (pl->pl_next == NULL && !right_justify) | |
1660 | (void) printf("%s", header); | |
1661 | else if (right_justify) | |
1662 | (void) printf("%*s", pl->pl_width, header); | |
1663 | else | |
1664 | (void) printf("%-*s", pl->pl_width, header); | |
1665 | } | |
1666 | ||
1667 | (void) printf("\n"); | |
1668 | } | |
1669 | ||
1670 | /* | |
1671 | * Given a dataset and a list of fields, print out all the properties according | |
1672 | * to the described layout. | |
1673 | */ | |
1674 | static void | |
1675 | print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted) | |
1676 | { | |
1677 | boolean_t first = B_TRUE; | |
1678 | char property[ZFS_MAXPROPLEN]; | |
1679 | nvlist_t *userprops = zfs_get_user_props(zhp); | |
1680 | nvlist_t *propval; | |
1681 | char *propstr; | |
1682 | boolean_t right_justify; | |
1683 | int width; | |
1684 | ||
1685 | for (; pl != NULL; pl = pl->pl_next) { | |
1686 | if (!first) { | |
1687 | if (scripted) | |
1688 | (void) printf("\t"); | |
1689 | else | |
1690 | (void) printf(" "); | |
1691 | } else { | |
1692 | first = B_FALSE; | |
1693 | } | |
1694 | ||
1695 | right_justify = B_FALSE; | |
1696 | if (pl->pl_prop != ZPROP_INVAL) { | |
1697 | if (zfs_prop_get(zhp, pl->pl_prop, property, | |
1698 | sizeof (property), NULL, NULL, 0, B_FALSE) != 0) | |
1699 | propstr = "-"; | |
1700 | else | |
1701 | propstr = property; | |
1702 | ||
1703 | right_justify = zfs_prop_align_right(pl->pl_prop); | |
1704 | } else { | |
1705 | if (nvlist_lookup_nvlist(userprops, | |
1706 | pl->pl_user_prop, &propval) != 0) | |
1707 | propstr = "-"; | |
1708 | else | |
1709 | verify(nvlist_lookup_string(propval, | |
1710 | ZPROP_VALUE, &propstr) == 0); | |
1711 | } | |
1712 | ||
1713 | width = pl->pl_width; | |
1714 | ||
1715 | /* | |
1716 | * If this is being called in scripted mode, or if this is the | |
1717 | * last column and it is left-justified, don't include a width | |
1718 | * format specifier. | |
1719 | */ | |
1720 | if (scripted || (pl->pl_next == NULL && !right_justify)) | |
1721 | (void) printf("%s", propstr); | |
1722 | else if (right_justify) | |
1723 | (void) printf("%*s", width, propstr); | |
1724 | else | |
1725 | (void) printf("%-*s", width, propstr); | |
1726 | } | |
1727 | ||
1728 | (void) printf("\n"); | |
1729 | } | |
1730 | ||
1731 | /* | |
1732 | * Generic callback function to list a dataset or snapshot. | |
1733 | */ | |
1734 | static int | |
1735 | list_callback(zfs_handle_t *zhp, void *data) | |
1736 | { | |
1737 | list_cbdata_t *cbp = data; | |
1738 | ||
1739 | if (cbp->cb_first) { | |
1740 | if (!cbp->cb_scripted) | |
1741 | print_header(cbp->cb_proplist); | |
1742 | cbp->cb_first = B_FALSE; | |
1743 | } | |
1744 | ||
1745 | print_dataset(zhp, cbp->cb_proplist, cbp->cb_scripted); | |
1746 | ||
1747 | return (0); | |
1748 | } | |
1749 | ||
1750 | static int | |
1751 | zfs_do_list(int argc, char **argv) | |
1752 | { | |
1753 | int c; | |
34dc7c2f BB |
1754 | boolean_t scripted = B_FALSE; |
1755 | static char default_fields[] = | |
1756 | "name,used,available,referenced,mountpoint"; | |
b128c09f BB |
1757 | int types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME; |
1758 | boolean_t types_specified = B_FALSE; | |
34dc7c2f | 1759 | char *fields = NULL; |
34dc7c2f BB |
1760 | list_cbdata_t cb = { 0 }; |
1761 | char *value; | |
1762 | int ret; | |
34dc7c2f | 1763 | zfs_sort_column_t *sortcol = NULL; |
b128c09f | 1764 | int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS; |
34dc7c2f BB |
1765 | |
1766 | /* check options */ | |
1767 | while ((c = getopt(argc, argv, ":o:rt:Hs:S:")) != -1) { | |
1768 | switch (c) { | |
1769 | case 'o': | |
1770 | fields = optarg; | |
1771 | break; | |
1772 | case 'r': | |
b128c09f | 1773 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f BB |
1774 | break; |
1775 | case 'H': | |
1776 | scripted = B_TRUE; | |
1777 | break; | |
1778 | case 's': | |
1779 | if (zfs_add_sort_column(&sortcol, optarg, | |
1780 | B_FALSE) != 0) { | |
1781 | (void) fprintf(stderr, | |
1782 | gettext("invalid property '%s'\n"), optarg); | |
1783 | usage(B_FALSE); | |
1784 | } | |
1785 | break; | |
1786 | case 'S': | |
1787 | if (zfs_add_sort_column(&sortcol, optarg, | |
1788 | B_TRUE) != 0) { | |
1789 | (void) fprintf(stderr, | |
1790 | gettext("invalid property '%s'\n"), optarg); | |
1791 | usage(B_FALSE); | |
1792 | } | |
1793 | break; | |
1794 | case 't': | |
1795 | types = 0; | |
b128c09f BB |
1796 | types_specified = B_TRUE; |
1797 | flags &= ~ZFS_ITER_PROP_LISTSNAPS; | |
34dc7c2f | 1798 | while (*optarg != '\0') { |
b128c09f BB |
1799 | static char *type_subopts[] = { "filesystem", |
1800 | "volume", "snapshot", "all", NULL }; | |
1801 | ||
34dc7c2f BB |
1802 | switch (getsubopt(&optarg, type_subopts, |
1803 | &value)) { | |
1804 | case 0: | |
1805 | types |= ZFS_TYPE_FILESYSTEM; | |
1806 | break; | |
1807 | case 1: | |
1808 | types |= ZFS_TYPE_VOLUME; | |
1809 | break; | |
1810 | case 2: | |
1811 | types |= ZFS_TYPE_SNAPSHOT; | |
1812 | break; | |
b128c09f BB |
1813 | case 3: |
1814 | types = ZFS_TYPE_DATASET; | |
1815 | break; | |
1816 | ||
34dc7c2f BB |
1817 | default: |
1818 | (void) fprintf(stderr, | |
1819 | gettext("invalid type '%s'\n"), | |
1820 | value); | |
1821 | usage(B_FALSE); | |
1822 | } | |
1823 | } | |
1824 | break; | |
1825 | case ':': | |
1826 | (void) fprintf(stderr, gettext("missing argument for " | |
1827 | "'%c' option\n"), optopt); | |
1828 | usage(B_FALSE); | |
1829 | break; | |
1830 | case '?': | |
1831 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1832 | optopt); | |
1833 | usage(B_FALSE); | |
1834 | } | |
1835 | } | |
1836 | ||
1837 | argc -= optind; | |
1838 | argv += optind; | |
1839 | ||
1840 | if (fields == NULL) | |
b128c09f BB |
1841 | fields = default_fields; |
1842 | ||
1843 | /* | |
1844 | * If "-o space" and no types were specified, don't display snapshots. | |
1845 | */ | |
1846 | if (strcmp(fields, "space") == 0 && types_specified == B_FALSE) | |
1847 | types &= ~ZFS_TYPE_SNAPSHOT; | |
34dc7c2f BB |
1848 | |
1849 | /* | |
1850 | * If the user specifies '-o all', the zprop_get_list() doesn't | |
1851 | * normally include the name of the dataset. For 'zfs list', we always | |
1852 | * want this property to be first. | |
1853 | */ | |
1854 | if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) | |
1855 | != 0) | |
1856 | usage(B_FALSE); | |
1857 | ||
1858 | cb.cb_scripted = scripted; | |
1859 | cb.cb_first = B_TRUE; | |
1860 | ||
b128c09f BB |
1861 | ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist, |
1862 | list_callback, &cb); | |
34dc7c2f BB |
1863 | |
1864 | zprop_free_list(cb.cb_proplist); | |
1865 | zfs_free_sort_columns(sortcol); | |
1866 | ||
1867 | if (ret == 0 && cb.cb_first && !cb.cb_scripted) | |
1868 | (void) printf(gettext("no datasets available\n")); | |
1869 | ||
1870 | return (ret); | |
1871 | } | |
1872 | ||
1873 | /* | |
1874 | * zfs rename <fs | snap | vol> <fs | snap | vol> | |
1875 | * zfs rename -p <fs | vol> <fs | vol> | |
1876 | * zfs rename -r <snap> <snap> | |
1877 | * | |
1878 | * Renames the given dataset to another of the same type. | |
1879 | * | |
1880 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
1881 | */ | |
1882 | /* ARGSUSED */ | |
1883 | static int | |
1884 | zfs_do_rename(int argc, char **argv) | |
1885 | { | |
1886 | zfs_handle_t *zhp; | |
1887 | int c; | |
1888 | int ret; | |
1889 | boolean_t recurse = B_FALSE; | |
1890 | boolean_t parents = B_FALSE; | |
1891 | ||
1892 | /* check options */ | |
1893 | while ((c = getopt(argc, argv, "pr")) != -1) { | |
1894 | switch (c) { | |
1895 | case 'p': | |
1896 | parents = B_TRUE; | |
1897 | break; | |
1898 | case 'r': | |
1899 | recurse = B_TRUE; | |
1900 | break; | |
1901 | case '?': | |
1902 | default: | |
1903 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1904 | optopt); | |
1905 | usage(B_FALSE); | |
1906 | } | |
1907 | } | |
1908 | ||
1909 | argc -= optind; | |
1910 | argv += optind; | |
1911 | ||
1912 | /* check number of arguments */ | |
1913 | if (argc < 1) { | |
1914 | (void) fprintf(stderr, gettext("missing source dataset " | |
1915 | "argument\n")); | |
1916 | usage(B_FALSE); | |
1917 | } | |
1918 | if (argc < 2) { | |
1919 | (void) fprintf(stderr, gettext("missing target dataset " | |
1920 | "argument\n")); | |
1921 | usage(B_FALSE); | |
1922 | } | |
1923 | if (argc > 2) { | |
1924 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
1925 | usage(B_FALSE); | |
1926 | } | |
1927 | ||
1928 | if (recurse && parents) { | |
1929 | (void) fprintf(stderr, gettext("-p and -r options are mutually " | |
1930 | "exclusive\n")); | |
1931 | usage(B_FALSE); | |
1932 | } | |
1933 | ||
1934 | if (recurse && strchr(argv[0], '@') == 0) { | |
1935 | (void) fprintf(stderr, gettext("source dataset for recursive " | |
1936 | "rename must be a snapshot\n")); | |
1937 | usage(B_FALSE); | |
1938 | } | |
1939 | ||
1940 | if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM | | |
1941 | ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL) | |
1942 | return (1); | |
1943 | ||
1944 | /* If we were asked and the name looks good, try to create ancestors. */ | |
1945 | if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) && | |
1946 | zfs_create_ancestors(g_zfs, argv[1]) != 0) { | |
1947 | zfs_close(zhp); | |
1948 | return (1); | |
1949 | } | |
1950 | ||
1951 | ret = (zfs_rename(zhp, argv[1], recurse) != 0); | |
1952 | ||
1953 | zfs_close(zhp); | |
1954 | return (ret); | |
1955 | } | |
1956 | ||
1957 | /* | |
1958 | * zfs promote <fs> | |
1959 | * | |
1960 | * Promotes the given clone fs to be the parent | |
1961 | */ | |
1962 | /* ARGSUSED */ | |
1963 | static int | |
1964 | zfs_do_promote(int argc, char **argv) | |
1965 | { | |
1966 | zfs_handle_t *zhp; | |
1967 | int ret; | |
1968 | ||
1969 | /* check options */ | |
1970 | if (argc > 1 && argv[1][0] == '-') { | |
1971 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1972 | argv[1][1]); | |
1973 | usage(B_FALSE); | |
1974 | } | |
1975 | ||
1976 | /* check number of arguments */ | |
1977 | if (argc < 2) { | |
1978 | (void) fprintf(stderr, gettext("missing clone filesystem" | |
1979 | " argument\n")); | |
1980 | usage(B_FALSE); | |
1981 | } | |
1982 | if (argc > 2) { | |
1983 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
1984 | usage(B_FALSE); | |
1985 | } | |
1986 | ||
1987 | zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
1988 | if (zhp == NULL) | |
1989 | return (1); | |
1990 | ||
1991 | ret = (zfs_promote(zhp) != 0); | |
1992 | ||
1993 | ||
1994 | zfs_close(zhp); | |
1995 | return (ret); | |
1996 | } | |
1997 | ||
1998 | /* | |
1999 | * zfs rollback [-rRf] <snapshot> | |
2000 | * | |
2001 | * -r Delete any intervening snapshots before doing rollback | |
2002 | * -R Delete any snapshots and their clones | |
2003 | * -f ignored for backwards compatability | |
2004 | * | |
2005 | * Given a filesystem, rollback to a specific snapshot, discarding any changes | |
2006 | * since then and making it the active dataset. If more recent snapshots exist, | |
2007 | * the command will complain unless the '-r' flag is given. | |
2008 | */ | |
2009 | typedef struct rollback_cbdata { | |
2010 | uint64_t cb_create; | |
2011 | boolean_t cb_first; | |
2012 | int cb_doclones; | |
2013 | char *cb_target; | |
2014 | int cb_error; | |
2015 | boolean_t cb_recurse; | |
2016 | boolean_t cb_dependent; | |
2017 | } rollback_cbdata_t; | |
2018 | ||
2019 | /* | |
2020 | * Report any snapshots more recent than the one specified. Used when '-r' is | |
2021 | * not specified. We reuse this same callback for the snapshot dependents - if | |
2022 | * 'cb_dependent' is set, then this is a dependent and we should report it | |
2023 | * without checking the transaction group. | |
2024 | */ | |
2025 | static int | |
2026 | rollback_check(zfs_handle_t *zhp, void *data) | |
2027 | { | |
2028 | rollback_cbdata_t *cbp = data; | |
2029 | ||
2030 | if (cbp->cb_doclones) { | |
2031 | zfs_close(zhp); | |
2032 | return (0); | |
2033 | } | |
2034 | ||
2035 | if (!cbp->cb_dependent) { | |
2036 | if (strcmp(zfs_get_name(zhp), cbp->cb_target) != 0 && | |
2037 | zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT && | |
2038 | zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > | |
2039 | cbp->cb_create) { | |
2040 | ||
2041 | if (cbp->cb_first && !cbp->cb_recurse) { | |
2042 | (void) fprintf(stderr, gettext("cannot " | |
2043 | "rollback to '%s': more recent snapshots " | |
2044 | "exist\n"), | |
2045 | cbp->cb_target); | |
2046 | (void) fprintf(stderr, gettext("use '-r' to " | |
2047 | "force deletion of the following " | |
2048 | "snapshots:\n")); | |
2049 | cbp->cb_first = 0; | |
2050 | cbp->cb_error = 1; | |
2051 | } | |
2052 | ||
2053 | if (cbp->cb_recurse) { | |
2054 | cbp->cb_dependent = B_TRUE; | |
2055 | if (zfs_iter_dependents(zhp, B_TRUE, | |
2056 | rollback_check, cbp) != 0) { | |
2057 | zfs_close(zhp); | |
2058 | return (-1); | |
2059 | } | |
2060 | cbp->cb_dependent = B_FALSE; | |
2061 | } else { | |
2062 | (void) fprintf(stderr, "%s\n", | |
2063 | zfs_get_name(zhp)); | |
2064 | } | |
2065 | } | |
2066 | } else { | |
2067 | if (cbp->cb_first && cbp->cb_recurse) { | |
2068 | (void) fprintf(stderr, gettext("cannot rollback to " | |
2069 | "'%s': clones of previous snapshots exist\n"), | |
2070 | cbp->cb_target); | |
2071 | (void) fprintf(stderr, gettext("use '-R' to " | |
2072 | "force deletion of the following clones and " | |
2073 | "dependents:\n")); | |
2074 | cbp->cb_first = 0; | |
2075 | cbp->cb_error = 1; | |
2076 | } | |
2077 | ||
2078 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
2079 | } | |
2080 | ||
2081 | zfs_close(zhp); | |
2082 | return (0); | |
2083 | } | |
2084 | ||
2085 | static int | |
2086 | zfs_do_rollback(int argc, char **argv) | |
2087 | { | |
2088 | int ret; | |
2089 | int c; | |
2090 | boolean_t force = B_FALSE; | |
2091 | rollback_cbdata_t cb = { 0 }; | |
2092 | zfs_handle_t *zhp, *snap; | |
2093 | char parentname[ZFS_MAXNAMELEN]; | |
2094 | char *delim; | |
2095 | ||
2096 | /* check options */ | |
2097 | while ((c = getopt(argc, argv, "rRf")) != -1) { | |
2098 | switch (c) { | |
2099 | case 'r': | |
2100 | cb.cb_recurse = 1; | |
2101 | break; | |
2102 | case 'R': | |
2103 | cb.cb_recurse = 1; | |
2104 | cb.cb_doclones = 1; | |
2105 | break; | |
2106 | case 'f': | |
2107 | force = B_TRUE; | |
2108 | break; | |
2109 | case '?': | |
2110 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2111 | optopt); | |
2112 | usage(B_FALSE); | |
2113 | } | |
2114 | } | |
2115 | ||
2116 | argc -= optind; | |
2117 | argv += optind; | |
2118 | ||
2119 | /* check number of arguments */ | |
2120 | if (argc < 1) { | |
2121 | (void) fprintf(stderr, gettext("missing dataset argument\n")); | |
2122 | usage(B_FALSE); | |
2123 | } | |
2124 | if (argc > 1) { | |
2125 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2126 | usage(B_FALSE); | |
2127 | } | |
2128 | ||
2129 | /* open the snapshot */ | |
2130 | if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) | |
2131 | return (1); | |
2132 | ||
2133 | /* open the parent dataset */ | |
2134 | (void) strlcpy(parentname, argv[0], sizeof (parentname)); | |
2135 | verify((delim = strrchr(parentname, '@')) != NULL); | |
2136 | *delim = '\0'; | |
2137 | if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) { | |
2138 | zfs_close(snap); | |
2139 | return (1); | |
2140 | } | |
2141 | ||
2142 | /* | |
2143 | * Check for more recent snapshots and/or clones based on the presence | |
2144 | * of '-r' and '-R'. | |
2145 | */ | |
2146 | cb.cb_target = argv[0]; | |
2147 | cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); | |
2148 | cb.cb_first = B_TRUE; | |
2149 | cb.cb_error = 0; | |
2150 | if ((ret = zfs_iter_children(zhp, rollback_check, &cb)) != 0) | |
2151 | goto out; | |
2152 | ||
2153 | if ((ret = cb.cb_error) != 0) | |
2154 | goto out; | |
2155 | ||
2156 | /* | |
2157 | * Rollback parent to the given snapshot. | |
2158 | */ | |
2159 | ret = zfs_rollback(zhp, snap, force); | |
2160 | ||
2161 | out: | |
2162 | zfs_close(snap); | |
2163 | zfs_close(zhp); | |
2164 | ||
2165 | if (ret == 0) | |
2166 | return (0); | |
2167 | else | |
2168 | return (1); | |
2169 | } | |
2170 | ||
2171 | /* | |
2172 | * zfs set property=value { fs | snap | vol } ... | |
2173 | * | |
2174 | * Sets the given property for all datasets specified on the command line. | |
2175 | */ | |
2176 | typedef struct set_cbdata { | |
2177 | char *cb_propname; | |
2178 | char *cb_value; | |
2179 | } set_cbdata_t; | |
2180 | ||
2181 | static int | |
2182 | set_callback(zfs_handle_t *zhp, void *data) | |
2183 | { | |
2184 | set_cbdata_t *cbp = data; | |
2185 | ||
2186 | if (zfs_prop_set(zhp, cbp->cb_propname, cbp->cb_value) != 0) { | |
2187 | switch (libzfs_errno(g_zfs)) { | |
2188 | case EZFS_MOUNTFAILED: | |
2189 | (void) fprintf(stderr, gettext("property may be set " | |
2190 | "but unable to remount filesystem\n")); | |
2191 | break; | |
2192 | case EZFS_SHARENFSFAILED: | |
2193 | (void) fprintf(stderr, gettext("property may be set " | |
2194 | "but unable to reshare filesystem\n")); | |
2195 | break; | |
2196 | } | |
2197 | return (1); | |
2198 | } | |
2199 | return (0); | |
2200 | } | |
2201 | ||
2202 | static int | |
2203 | zfs_do_set(int argc, char **argv) | |
2204 | { | |
2205 | set_cbdata_t cb; | |
2206 | int ret; | |
2207 | ||
2208 | /* check for options */ | |
2209 | if (argc > 1 && argv[1][0] == '-') { | |
2210 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2211 | argv[1][1]); | |
2212 | usage(B_FALSE); | |
2213 | } | |
2214 | ||
2215 | /* check number of arguments */ | |
2216 | if (argc < 2) { | |
2217 | (void) fprintf(stderr, gettext("missing property=value " | |
2218 | "argument\n")); | |
2219 | usage(B_FALSE); | |
2220 | } | |
2221 | if (argc < 3) { | |
2222 | (void) fprintf(stderr, gettext("missing dataset name\n")); | |
2223 | usage(B_FALSE); | |
2224 | } | |
2225 | ||
2226 | /* validate property=value argument */ | |
2227 | cb.cb_propname = argv[1]; | |
b128c09f BB |
2228 | if (((cb.cb_value = strchr(cb.cb_propname, '=')) == NULL) || |
2229 | (cb.cb_value[1] == '\0')) { | |
34dc7c2f BB |
2230 | (void) fprintf(stderr, gettext("missing value in " |
2231 | "property=value argument\n")); | |
2232 | usage(B_FALSE); | |
2233 | } | |
2234 | ||
2235 | *cb.cb_value = '\0'; | |
2236 | cb.cb_value++; | |
2237 | ||
2238 | if (*cb.cb_propname == '\0') { | |
2239 | (void) fprintf(stderr, | |
2240 | gettext("missing property in property=value argument\n")); | |
2241 | usage(B_FALSE); | |
2242 | } | |
2243 | ||
b128c09f BB |
2244 | ret = zfs_for_each(argc - 2, argv + 2, NULL, |
2245 | ZFS_TYPE_DATASET, NULL, NULL, set_callback, &cb); | |
34dc7c2f BB |
2246 | |
2247 | return (ret); | |
2248 | } | |
2249 | ||
2250 | /* | |
b128c09f | 2251 | * zfs snapshot [-r] [-o prop=value] ... <fs@snap> |
34dc7c2f BB |
2252 | * |
2253 | * Creates a snapshot with the given name. While functionally equivalent to | |
2254 | * 'zfs create', it is a separate command to differentiate intent. | |
2255 | */ | |
2256 | static int | |
2257 | zfs_do_snapshot(int argc, char **argv) | |
2258 | { | |
2259 | boolean_t recursive = B_FALSE; | |
2260 | int ret; | |
2261 | char c; | |
b128c09f BB |
2262 | nvlist_t *props; |
2263 | ||
2264 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) { | |
2265 | (void) fprintf(stderr, gettext("internal error: " | |
2266 | "out of memory\n")); | |
2267 | return (1); | |
2268 | } | |
34dc7c2f BB |
2269 | |
2270 | /* check options */ | |
b128c09f | 2271 | while ((c = getopt(argc, argv, "ro:")) != -1) { |
34dc7c2f | 2272 | switch (c) { |
b128c09f BB |
2273 | case 'o': |
2274 | if (parseprop(props)) | |
2275 | return (1); | |
2276 | break; | |
34dc7c2f BB |
2277 | case 'r': |
2278 | recursive = B_TRUE; | |
2279 | break; | |
2280 | case '?': | |
2281 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2282 | optopt); | |
b128c09f | 2283 | goto usage; |
34dc7c2f BB |
2284 | } |
2285 | } | |
2286 | ||
2287 | argc -= optind; | |
2288 | argv += optind; | |
2289 | ||
2290 | /* check number of arguments */ | |
2291 | if (argc < 1) { | |
2292 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
b128c09f | 2293 | goto usage; |
34dc7c2f BB |
2294 | } |
2295 | if (argc > 1) { | |
2296 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
b128c09f | 2297 | goto usage; |
34dc7c2f BB |
2298 | } |
2299 | ||
b128c09f BB |
2300 | ret = zfs_snapshot(g_zfs, argv[0], recursive, props); |
2301 | nvlist_free(props); | |
34dc7c2f BB |
2302 | if (ret && recursive) |
2303 | (void) fprintf(stderr, gettext("no snapshots were created\n")); | |
2304 | return (ret != 0); | |
b128c09f BB |
2305 | |
2306 | usage: | |
2307 | nvlist_free(props); | |
2308 | usage(B_FALSE); | |
2309 | return (-1); | |
34dc7c2f BB |
2310 | } |
2311 | ||
2312 | /* | |
2313 | * zfs send [-v] -R [-i|-I <@snap>] <fs@snap> | |
2314 | * zfs send [-v] [-i|-I <@snap>] <fs@snap> | |
2315 | * | |
2316 | * Send a backup stream to stdout. | |
2317 | */ | |
2318 | static int | |
2319 | zfs_do_send(int argc, char **argv) | |
2320 | { | |
2321 | char *fromname = NULL; | |
2322 | char *toname = NULL; | |
2323 | char *cp; | |
2324 | zfs_handle_t *zhp; | |
2325 | boolean_t doall = B_FALSE; | |
2326 | boolean_t replicate = B_FALSE; | |
2327 | boolean_t fromorigin = B_FALSE; | |
2328 | boolean_t verbose = B_FALSE; | |
2329 | int c, err; | |
2330 | ||
2331 | /* check options */ | |
2332 | while ((c = getopt(argc, argv, ":i:I:Rv")) != -1) { | |
2333 | switch (c) { | |
2334 | case 'i': | |
2335 | if (fromname) | |
2336 | usage(B_FALSE); | |
2337 | fromname = optarg; | |
2338 | break; | |
2339 | case 'I': | |
2340 | if (fromname) | |
2341 | usage(B_FALSE); | |
2342 | fromname = optarg; | |
2343 | doall = B_TRUE; | |
2344 | break; | |
2345 | case 'R': | |
2346 | replicate = B_TRUE; | |
2347 | break; | |
2348 | case 'v': | |
2349 | verbose = B_TRUE; | |
2350 | break; | |
2351 | case ':': | |
2352 | (void) fprintf(stderr, gettext("missing argument for " | |
2353 | "'%c' option\n"), optopt); | |
2354 | usage(B_FALSE); | |
2355 | break; | |
2356 | case '?': | |
2357 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2358 | optopt); | |
2359 | usage(B_FALSE); | |
2360 | } | |
2361 | } | |
2362 | ||
2363 | argc -= optind; | |
2364 | argv += optind; | |
2365 | ||
2366 | /* check number of arguments */ | |
2367 | if (argc < 1) { | |
2368 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
2369 | usage(B_FALSE); | |
2370 | } | |
2371 | if (argc > 1) { | |
2372 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2373 | usage(B_FALSE); | |
2374 | } | |
2375 | ||
2376 | if (isatty(STDOUT_FILENO)) { | |
2377 | (void) fprintf(stderr, | |
2378 | gettext("Error: Stream can not be written to a terminal.\n" | |
2379 | "You must redirect standard output.\n")); | |
2380 | return (1); | |
2381 | } | |
2382 | ||
2383 | cp = strchr(argv[0], '@'); | |
2384 | if (cp == NULL) { | |
2385 | (void) fprintf(stderr, | |
2386 | gettext("argument must be a snapshot\n")); | |
2387 | usage(B_FALSE); | |
2388 | } | |
2389 | *cp = '\0'; | |
2390 | toname = cp + 1; | |
2391 | zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
2392 | if (zhp == NULL) | |
2393 | return (1); | |
2394 | ||
2395 | /* | |
2396 | * If they specified the full path to the snapshot, chop off | |
2397 | * everything except the short name of the snapshot, but special | |
2398 | * case if they specify the origin. | |
2399 | */ | |
2400 | if (fromname && (cp = strchr(fromname, '@')) != NULL) { | |
2401 | char origin[ZFS_MAXNAMELEN]; | |
2402 | zprop_source_t src; | |
2403 | ||
2404 | (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN, | |
2405 | origin, sizeof (origin), &src, NULL, 0, B_FALSE); | |
2406 | ||
2407 | if (strcmp(origin, fromname) == 0) { | |
2408 | fromname = NULL; | |
2409 | fromorigin = B_TRUE; | |
2410 | } else { | |
2411 | *cp = '\0'; | |
2412 | if (cp != fromname && strcmp(argv[0], fromname)) { | |
2413 | (void) fprintf(stderr, | |
2414 | gettext("incremental source must be " | |
2415 | "in same filesystem\n")); | |
2416 | usage(B_FALSE); | |
2417 | } | |
2418 | fromname = cp + 1; | |
2419 | if (strchr(fromname, '@') || strchr(fromname, '/')) { | |
2420 | (void) fprintf(stderr, | |
2421 | gettext("invalid incremental source\n")); | |
2422 | usage(B_FALSE); | |
2423 | } | |
2424 | } | |
2425 | } | |
2426 | ||
2427 | if (replicate && fromname == NULL) | |
2428 | doall = B_TRUE; | |
2429 | ||
2430 | err = zfs_send(zhp, fromname, toname, replicate, doall, fromorigin, | |
2431 | verbose, STDOUT_FILENO); | |
2432 | zfs_close(zhp); | |
2433 | ||
2434 | return (err != 0); | |
2435 | } | |
2436 | ||
2437 | /* | |
2438 | * zfs receive [-dnvF] <fs@snap> | |
2439 | * | |
2440 | * Restore a backup stream from stdin. | |
2441 | */ | |
2442 | static int | |
2443 | zfs_do_receive(int argc, char **argv) | |
2444 | { | |
2445 | int c, err; | |
2446 | recvflags_t flags; | |
2447 | ||
2448 | bzero(&flags, sizeof (recvflags_t)); | |
2449 | /* check options */ | |
2450 | while ((c = getopt(argc, argv, ":dnvF")) != -1) { | |
2451 | switch (c) { | |
2452 | case 'd': | |
2453 | flags.isprefix = B_TRUE; | |
2454 | break; | |
2455 | case 'n': | |
2456 | flags.dryrun = B_TRUE; | |
2457 | break; | |
2458 | case 'v': | |
2459 | flags.verbose = B_TRUE; | |
2460 | break; | |
2461 | case 'F': | |
2462 | flags.force = B_TRUE; | |
2463 | break; | |
2464 | case ':': | |
2465 | (void) fprintf(stderr, gettext("missing argument for " | |
2466 | "'%c' option\n"), optopt); | |
2467 | usage(B_FALSE); | |
2468 | break; | |
2469 | case '?': | |
2470 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2471 | optopt); | |
2472 | usage(B_FALSE); | |
2473 | } | |
2474 | } | |
2475 | ||
2476 | argc -= optind; | |
2477 | argv += optind; | |
2478 | ||
2479 | /* check number of arguments */ | |
2480 | if (argc < 1) { | |
2481 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
2482 | usage(B_FALSE); | |
2483 | } | |
2484 | if (argc > 1) { | |
2485 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2486 | usage(B_FALSE); | |
2487 | } | |
2488 | ||
2489 | if (isatty(STDIN_FILENO)) { | |
2490 | (void) fprintf(stderr, | |
2491 | gettext("Error: Backup stream can not be read " | |
2492 | "from a terminal.\n" | |
2493 | "You must redirect standard input.\n")); | |
2494 | return (1); | |
2495 | } | |
2496 | ||
2497 | err = zfs_receive(g_zfs, argv[0], flags, STDIN_FILENO, NULL); | |
2498 | ||
2499 | return (err != 0); | |
2500 | } | |
2501 | ||
2502 | typedef struct allow_cb { | |
2503 | int a_permcnt; | |
2504 | size_t a_treeoffset; | |
2505 | } allow_cb_t; | |
2506 | ||
2507 | static void | |
2508 | zfs_print_perms(avl_tree_t *tree) | |
2509 | { | |
2510 | zfs_perm_node_t *permnode; | |
2511 | ||
2512 | permnode = avl_first(tree); | |
2513 | while (permnode != NULL) { | |
2514 | (void) printf("%s", permnode->z_pname); | |
2515 | permnode = AVL_NEXT(tree, permnode); | |
2516 | if (permnode) | |
2517 | (void) printf(","); | |
2518 | else | |
2519 | (void) printf("\n"); | |
2520 | } | |
2521 | } | |
2522 | ||
2523 | /* | |
2524 | * Iterate over user/groups/everyone/... and the call perm_iter | |
2525 | * function to print actual permission when tree has >0 nodes. | |
2526 | */ | |
2527 | static void | |
2528 | zfs_iter_perms(avl_tree_t *tree, const char *banner, allow_cb_t *cb) | |
2529 | { | |
2530 | zfs_allow_node_t *item; | |
2531 | avl_tree_t *ptree; | |
2532 | ||
2533 | item = avl_first(tree); | |
2534 | while (item) { | |
2535 | ptree = (void *)((char *)item + cb->a_treeoffset); | |
2536 | if (avl_numnodes(ptree)) { | |
2537 | if (cb->a_permcnt++ == 0) | |
2538 | (void) printf("%s\n", banner); | |
2539 | (void) printf("\t%s", item->z_key); | |
2540 | /* | |
2541 | * Avoid an extra space being printed | |
2542 | * for "everyone" which is keyed with a null | |
2543 | * string | |
2544 | */ | |
2545 | if (item->z_key[0] != '\0') | |
2546 | (void) printf(" "); | |
2547 | zfs_print_perms(ptree); | |
2548 | } | |
2549 | item = AVL_NEXT(tree, item); | |
2550 | } | |
2551 | } | |
2552 | ||
2553 | #define LINES "-------------------------------------------------------------\n" | |
2554 | static int | |
2555 | zfs_print_allows(char *ds) | |
2556 | { | |
2557 | zfs_allow_t *curperms, *perms; | |
2558 | zfs_handle_t *zhp; | |
2559 | allow_cb_t allowcb = { 0 }; | |
2560 | char banner[MAXPATHLEN]; | |
2561 | ||
2562 | if (ds[0] == '-') | |
2563 | usage(B_FALSE); | |
2564 | ||
2565 | if (strrchr(ds, '@')) { | |
2566 | (void) fprintf(stderr, gettext("Snapshots don't have 'allow'" | |
2567 | " permissions\n")); | |
2568 | return (1); | |
2569 | } | |
2570 | if ((zhp = zfs_open(g_zfs, ds, ZFS_TYPE_DATASET)) == NULL) | |
2571 | return (1); | |
2572 | ||
2573 | if (zfs_perm_get(zhp, &perms)) { | |
2574 | (void) fprintf(stderr, | |
2575 | gettext("Failed to retrieve 'allows' on %s\n"), ds); | |
2576 | zfs_close(zhp); | |
2577 | return (1); | |
2578 | } | |
2579 | ||
2580 | zfs_close(zhp); | |
2581 | ||
2582 | if (perms != NULL) | |
2583 | (void) printf("%s", LINES); | |
2584 | for (curperms = perms; curperms; curperms = curperms->z_next) { | |
2585 | ||
2586 | (void) snprintf(banner, sizeof (banner), | |
2587 | "Permission sets on (%s)", curperms->z_setpoint); | |
2588 | allowcb.a_treeoffset = | |
2589 | offsetof(zfs_allow_node_t, z_localdescend); | |
2590 | allowcb.a_permcnt = 0; | |
2591 | zfs_iter_perms(&curperms->z_sets, banner, &allowcb); | |
2592 | ||
2593 | (void) snprintf(banner, sizeof (banner), | |
2594 | "Create time permissions on (%s)", curperms->z_setpoint); | |
2595 | allowcb.a_treeoffset = | |
2596 | offsetof(zfs_allow_node_t, z_localdescend); | |
2597 | allowcb.a_permcnt = 0; | |
2598 | zfs_iter_perms(&curperms->z_crperms, banner, &allowcb); | |
2599 | ||
2600 | ||
2601 | (void) snprintf(banner, sizeof (banner), | |
2602 | "Local permissions on (%s)", curperms->z_setpoint); | |
2603 | allowcb.a_treeoffset = offsetof(zfs_allow_node_t, z_local); | |
2604 | allowcb.a_permcnt = 0; | |
2605 | zfs_iter_perms(&curperms->z_user, banner, &allowcb); | |
2606 | zfs_iter_perms(&curperms->z_group, banner, &allowcb); | |
2607 | zfs_iter_perms(&curperms->z_everyone, banner, &allowcb); | |
2608 | ||
2609 | (void) snprintf(banner, sizeof (banner), | |
2610 | "Descendent permissions on (%s)", curperms->z_setpoint); | |
2611 | allowcb.a_treeoffset = offsetof(zfs_allow_node_t, z_descend); | |
2612 | allowcb.a_permcnt = 0; | |
2613 | zfs_iter_perms(&curperms->z_user, banner, &allowcb); | |
2614 | zfs_iter_perms(&curperms->z_group, banner, &allowcb); | |
2615 | zfs_iter_perms(&curperms->z_everyone, banner, &allowcb); | |
2616 | ||
2617 | (void) snprintf(banner, sizeof (banner), | |
2618 | "Local+Descendent permissions on (%s)", | |
2619 | curperms->z_setpoint); | |
2620 | allowcb.a_treeoffset = | |
2621 | offsetof(zfs_allow_node_t, z_localdescend); | |
2622 | allowcb.a_permcnt = 0; | |
2623 | zfs_iter_perms(&curperms->z_user, banner, &allowcb); | |
2624 | zfs_iter_perms(&curperms->z_group, banner, &allowcb); | |
2625 | zfs_iter_perms(&curperms->z_everyone, banner, &allowcb); | |
2626 | ||
2627 | (void) printf("%s", LINES); | |
2628 | } | |
2629 | zfs_free_allows(perms); | |
2630 | return (0); | |
2631 | } | |
2632 | ||
2633 | #define ALLOWOPTIONS "ldcsu:g:e" | |
2634 | #define UNALLOWOPTIONS "ldcsu:g:er" | |
2635 | ||
2636 | /* | |
2637 | * Validate options, and build necessary datastructure to display/remove/add | |
2638 | * permissions. | |
2639 | * Returns 0 - If permissions should be added/removed | |
2640 | * Returns 1 - If permissions should be displayed. | |
2641 | * Returns -1 - on failure | |
2642 | */ | |
2643 | int | |
2644 | parse_allow_args(int *argc, char **argv[], boolean_t unallow, | |
2645 | char **ds, int *recurse, nvlist_t **zperms) | |
2646 | { | |
2647 | int c; | |
2648 | char *options = unallow ? UNALLOWOPTIONS : ALLOWOPTIONS; | |
2649 | zfs_deleg_inherit_t deleg_type = ZFS_DELEG_NONE; | |
2650 | zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN; | |
2651 | char *who = NULL; | |
2652 | char *perms = NULL; | |
2653 | zfs_handle_t *zhp; | |
2654 | ||
2655 | while ((c = getopt(*argc, *argv, options)) != -1) { | |
2656 | switch (c) { | |
2657 | case 'l': | |
2658 | if (who_type == ZFS_DELEG_CREATE || | |
2659 | who_type == ZFS_DELEG_NAMED_SET) | |
2660 | usage(B_FALSE); | |
2661 | ||
2662 | deleg_type |= ZFS_DELEG_PERM_LOCAL; | |
2663 | break; | |
2664 | case 'd': | |
2665 | if (who_type == ZFS_DELEG_CREATE || | |
2666 | who_type == ZFS_DELEG_NAMED_SET) | |
2667 | usage(B_FALSE); | |
2668 | ||
2669 | deleg_type |= ZFS_DELEG_PERM_DESCENDENT; | |
2670 | break; | |
2671 | case 'r': | |
2672 | *recurse = B_TRUE; | |
2673 | break; | |
2674 | case 'c': | |
2675 | if (who_type != ZFS_DELEG_WHO_UNKNOWN) | |
2676 | usage(B_FALSE); | |
2677 | if (deleg_type) | |
2678 | usage(B_FALSE); | |
2679 | who_type = ZFS_DELEG_CREATE; | |
2680 | break; | |
2681 | case 's': | |
2682 | if (who_type != ZFS_DELEG_WHO_UNKNOWN) | |
2683 | usage(B_FALSE); | |
2684 | if (deleg_type) | |
2685 | usage(B_FALSE); | |
2686 | who_type = ZFS_DELEG_NAMED_SET; | |
2687 | break; | |
2688 | case 'u': | |
2689 | if (who_type != ZFS_DELEG_WHO_UNKNOWN) | |
2690 | usage(B_FALSE); | |
2691 | who_type = ZFS_DELEG_USER; | |
2692 | who = optarg; | |
2693 | break; | |
2694 | case 'g': | |
2695 | if (who_type != ZFS_DELEG_WHO_UNKNOWN) | |
2696 | usage(B_FALSE); | |
2697 | who_type = ZFS_DELEG_GROUP; | |
2698 | who = optarg; | |
2699 | break; | |
2700 | case 'e': | |
2701 | if (who_type != ZFS_DELEG_WHO_UNKNOWN) | |
2702 | usage(B_FALSE); | |
2703 | who_type = ZFS_DELEG_EVERYONE; | |
2704 | break; | |
2705 | default: | |
2706 | usage(B_FALSE); | |
2707 | break; | |
2708 | } | |
2709 | } | |
2710 | ||
2711 | if (deleg_type == 0) | |
2712 | deleg_type = ZFS_DELEG_PERM_LOCALDESCENDENT; | |
2713 | ||
2714 | *argc -= optind; | |
2715 | *argv += optind; | |
2716 | ||
2717 | if (unallow == B_FALSE && *argc == 1) { | |
2718 | /* | |
2719 | * Only print permissions if no options were processed | |
2720 | */ | |
2721 | if (optind == 1) | |
2722 | return (1); | |
2723 | else | |
2724 | usage(B_FALSE); | |
2725 | } | |
2726 | ||
2727 | /* | |
2728 | * initialize variables for zfs_build_perms based on number | |
2729 | * of arguments. | |
2730 | * 3 arguments ==> zfs [un]allow joe perm,perm,perm <dataset> or | |
2731 | * zfs [un]allow -s @set1 perm,perm <dataset> | |
2732 | * 2 arguments ==> zfs [un]allow -c perm,perm <dataset> or | |
2733 | * zfs [un]allow -u|-g <name> perm <dataset> or | |
2734 | * zfs [un]allow -e perm,perm <dataset> | |
2735 | * zfs unallow joe <dataset> | |
2736 | * zfs unallow -s @set1 <dataset> | |
2737 | * 1 argument ==> zfs [un]allow -e <dataset> or | |
2738 | * zfs [un]allow -c <dataset> | |
2739 | */ | |
2740 | ||
2741 | switch (*argc) { | |
2742 | case 3: | |
2743 | perms = (*argv)[1]; | |
2744 | who = (*argv)[0]; | |
2745 | *ds = (*argv)[2]; | |
2746 | ||
2747 | /* | |
2748 | * advance argc/argv for do_allow cases. | |
2749 | * for do_allow case make sure who have a know who type | |
2750 | * and its not a permission set. | |
2751 | */ | |
2752 | if (unallow == B_TRUE) { | |
2753 | *argc -= 2; | |
2754 | *argv += 2; | |
2755 | } else if (who_type != ZFS_DELEG_WHO_UNKNOWN && | |
2756 | who_type != ZFS_DELEG_NAMED_SET) | |
2757 | usage(B_FALSE); | |
2758 | break; | |
2759 | ||
2760 | case 2: | |
2761 | if (unallow == B_TRUE && (who_type == ZFS_DELEG_EVERYONE || | |
2762 | who_type == ZFS_DELEG_CREATE || who != NULL)) { | |
2763 | perms = (*argv)[0]; | |
2764 | *ds = (*argv)[1]; | |
2765 | } else { | |
2766 | if (unallow == B_FALSE && | |
2767 | (who_type == ZFS_DELEG_WHO_UNKNOWN || | |
2768 | who_type == ZFS_DELEG_NAMED_SET)) | |
2769 | usage(B_FALSE); | |
2770 | else if (who_type == ZFS_DELEG_WHO_UNKNOWN || | |
2771 | who_type == ZFS_DELEG_NAMED_SET) | |
2772 | who = (*argv)[0]; | |
2773 | else if (who_type != ZFS_DELEG_NAMED_SET) | |
2774 | perms = (*argv)[0]; | |
2775 | *ds = (*argv)[1]; | |
2776 | } | |
2777 | if (unallow == B_TRUE) { | |
2778 | (*argc)--; | |
2779 | (*argv)++; | |
2780 | } | |
2781 | break; | |
2782 | ||
2783 | case 1: | |
2784 | if (unallow == B_FALSE) | |
2785 | usage(B_FALSE); | |
2786 | if (who == NULL && who_type != ZFS_DELEG_CREATE && | |
2787 | who_type != ZFS_DELEG_EVERYONE) | |
2788 | usage(B_FALSE); | |
2789 | *ds = (*argv)[0]; | |
2790 | break; | |
2791 | ||
2792 | default: | |
2793 | usage(B_FALSE); | |
2794 | } | |
2795 | ||
2796 | if (strrchr(*ds, '@')) { | |
2797 | (void) fprintf(stderr, | |
2798 | gettext("Can't set or remove 'allow' permissions " | |
2799 | "on snapshots.\n")); | |
2800 | return (-1); | |
2801 | } | |
2802 | ||
2803 | if ((zhp = zfs_open(g_zfs, *ds, ZFS_TYPE_DATASET)) == NULL) | |
2804 | return (-1); | |
2805 | ||
2806 | if ((zfs_build_perms(zhp, who, perms, | |
2807 | who_type, deleg_type, zperms)) != 0) { | |
2808 | zfs_close(zhp); | |
2809 | return (-1); | |
2810 | } | |
2811 | zfs_close(zhp); | |
2812 | return (0); | |
2813 | } | |
2814 | ||
2815 | static int | |
2816 | zfs_do_allow(int argc, char **argv) | |
2817 | { | |
2818 | char *ds; | |
2819 | nvlist_t *zperms = NULL; | |
2820 | zfs_handle_t *zhp; | |
2821 | int unused; | |
2822 | int ret; | |
2823 | ||
2824 | if ((ret = parse_allow_args(&argc, &argv, B_FALSE, &ds, | |
2825 | &unused, &zperms)) == -1) | |
2826 | return (1); | |
2827 | ||
2828 | if (ret == 1) | |
2829 | return (zfs_print_allows(argv[0])); | |
2830 | ||
2831 | if ((zhp = zfs_open(g_zfs, ds, ZFS_TYPE_DATASET)) == NULL) | |
2832 | return (1); | |
2833 | ||
2834 | if (zfs_perm_set(zhp, zperms)) { | |
2835 | zfs_close(zhp); | |
2836 | nvlist_free(zperms); | |
2837 | return (1); | |
2838 | } | |
2839 | nvlist_free(zperms); | |
2840 | zfs_close(zhp); | |
2841 | ||
2842 | return (0); | |
2843 | } | |
2844 | ||
2845 | static int | |
2846 | unallow_callback(zfs_handle_t *zhp, void *data) | |
2847 | { | |
2848 | nvlist_t *nvp = (nvlist_t *)data; | |
2849 | int error; | |
2850 | ||
2851 | error = zfs_perm_remove(zhp, nvp); | |
2852 | if (error) { | |
2853 | (void) fprintf(stderr, gettext("Failed to remove permissions " | |
2854 | "on %s\n"), zfs_get_name(zhp)); | |
2855 | } | |
2856 | return (error); | |
2857 | } | |
2858 | ||
2859 | static int | |
2860 | zfs_do_unallow(int argc, char **argv) | |
2861 | { | |
2862 | int recurse = B_FALSE; | |
2863 | char *ds; | |
2864 | int error; | |
2865 | nvlist_t *zperms = NULL; | |
b128c09f | 2866 | int flags = 0; |
34dc7c2f BB |
2867 | |
2868 | if (parse_allow_args(&argc, &argv, B_TRUE, | |
2869 | &ds, &recurse, &zperms) == -1) | |
2870 | return (1); | |
2871 | ||
b128c09f BB |
2872 | if (recurse) |
2873 | flags |= ZFS_ITER_RECURSE; | |
2874 | error = zfs_for_each(argc, argv, flags, | |
34dc7c2f | 2875 | ZFS_TYPE_FILESYSTEM|ZFS_TYPE_VOLUME, NULL, |
b128c09f | 2876 | NULL, unallow_callback, (void *)zperms); |
34dc7c2f BB |
2877 | |
2878 | if (zperms) | |
2879 | nvlist_free(zperms); | |
2880 | ||
2881 | return (error); | |
2882 | } | |
2883 | ||
2884 | typedef struct get_all_cbdata { | |
2885 | zfs_handle_t **cb_handles; | |
2886 | size_t cb_alloc; | |
2887 | size_t cb_used; | |
2888 | uint_t cb_types; | |
2889 | boolean_t cb_verbose; | |
2890 | } get_all_cbdata_t; | |
2891 | ||
2892 | #define CHECK_SPINNER 30 | |
2893 | #define SPINNER_TIME 3 /* seconds */ | |
2894 | #define MOUNT_TIME 5 /* seconds */ | |
2895 | ||
2896 | static int | |
2897 | get_one_dataset(zfs_handle_t *zhp, void *data) | |
2898 | { | |
2899 | static char spin[] = { '-', '\\', '|', '/' }; | |
2900 | static int spinval = 0; | |
2901 | static int spincheck = 0; | |
2902 | static time_t last_spin_time = (time_t)0; | |
2903 | get_all_cbdata_t *cbp = data; | |
2904 | zfs_type_t type = zfs_get_type(zhp); | |
2905 | ||
2906 | if (cbp->cb_verbose) { | |
2907 | if (--spincheck < 0) { | |
2908 | time_t now = time(NULL); | |
2909 | if (last_spin_time + SPINNER_TIME < now) { | |
2910 | (void) printf("\b%c", spin[spinval++ % 4]); | |
2911 | (void) fflush(stdout); | |
2912 | last_spin_time = now; | |
2913 | } | |
2914 | spincheck = CHECK_SPINNER; | |
2915 | } | |
2916 | } | |
2917 | ||
2918 | /* | |
2919 | * Interate over any nested datasets. | |
2920 | */ | |
2921 | if (type == ZFS_TYPE_FILESYSTEM && | |
2922 | zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) { | |
2923 | zfs_close(zhp); | |
2924 | return (1); | |
2925 | } | |
2926 | ||
2927 | /* | |
2928 | * Skip any datasets whose type does not match. | |
2929 | */ | |
2930 | if ((type & cbp->cb_types) == 0) { | |
2931 | zfs_close(zhp); | |
2932 | return (0); | |
2933 | } | |
2934 | ||
2935 | if (cbp->cb_alloc == cbp->cb_used) { | |
2936 | zfs_handle_t **handles; | |
2937 | ||
2938 | if (cbp->cb_alloc == 0) | |
2939 | cbp->cb_alloc = 64; | |
2940 | else | |
2941 | cbp->cb_alloc *= 2; | |
2942 | ||
2943 | handles = safe_malloc(cbp->cb_alloc * sizeof (void *)); | |
2944 | ||
2945 | if (cbp->cb_handles) { | |
2946 | bcopy(cbp->cb_handles, handles, | |
2947 | cbp->cb_used * sizeof (void *)); | |
2948 | free(cbp->cb_handles); | |
2949 | } | |
2950 | ||
2951 | cbp->cb_handles = handles; | |
2952 | } | |
2953 | ||
2954 | cbp->cb_handles[cbp->cb_used++] = zhp; | |
2955 | ||
2956 | return (0); | |
2957 | } | |
2958 | ||
2959 | static void | |
2960 | get_all_datasets(uint_t types, zfs_handle_t ***dslist, size_t *count, | |
2961 | boolean_t verbose) | |
2962 | { | |
2963 | get_all_cbdata_t cb = { 0 }; | |
2964 | cb.cb_types = types; | |
2965 | cb.cb_verbose = verbose; | |
2966 | ||
2967 | if (verbose) { | |
2968 | (void) printf("%s: *", gettext("Reading ZFS config")); | |
2969 | (void) fflush(stdout); | |
2970 | } | |
2971 | ||
2972 | (void) zfs_iter_root(g_zfs, get_one_dataset, &cb); | |
2973 | ||
2974 | *dslist = cb.cb_handles; | |
2975 | *count = cb.cb_used; | |
2976 | ||
2977 | if (verbose) { | |
2978 | (void) printf("\b%s\n", gettext("done.")); | |
2979 | } | |
2980 | } | |
2981 | ||
2982 | static int | |
2983 | dataset_cmp(const void *a, const void *b) | |
2984 | { | |
2985 | zfs_handle_t **za = (zfs_handle_t **)a; | |
2986 | zfs_handle_t **zb = (zfs_handle_t **)b; | |
2987 | char mounta[MAXPATHLEN]; | |
2988 | char mountb[MAXPATHLEN]; | |
2989 | boolean_t gota, gotb; | |
2990 | ||
2991 | if ((gota = (zfs_get_type(*za) == ZFS_TYPE_FILESYSTEM)) != 0) | |
2992 | verify(zfs_prop_get(*za, ZFS_PROP_MOUNTPOINT, mounta, | |
2993 | sizeof (mounta), NULL, NULL, 0, B_FALSE) == 0); | |
2994 | if ((gotb = (zfs_get_type(*zb) == ZFS_TYPE_FILESYSTEM)) != 0) | |
2995 | verify(zfs_prop_get(*zb, ZFS_PROP_MOUNTPOINT, mountb, | |
2996 | sizeof (mountb), NULL, NULL, 0, B_FALSE) == 0); | |
2997 | ||
2998 | if (gota && gotb) | |
2999 | return (strcmp(mounta, mountb)); | |
3000 | ||
3001 | if (gota) | |
3002 | return (-1); | |
3003 | if (gotb) | |
3004 | return (1); | |
3005 | ||
3006 | return (strcmp(zfs_get_name(a), zfs_get_name(b))); | |
3007 | } | |
3008 | ||
3009 | /* | |
3010 | * Generic callback for sharing or mounting filesystems. Because the code is so | |
3011 | * similar, we have a common function with an extra parameter to determine which | |
3012 | * mode we are using. | |
3013 | */ | |
3014 | #define OP_SHARE 0x1 | |
3015 | #define OP_MOUNT 0x2 | |
3016 | ||
3017 | /* | |
3018 | * Share or mount a dataset. | |
3019 | */ | |
3020 | static int | |
3021 | share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol, | |
3022 | boolean_t explicit, const char *options) | |
3023 | { | |
3024 | char mountpoint[ZFS_MAXPROPLEN]; | |
3025 | char shareopts[ZFS_MAXPROPLEN]; | |
3026 | char smbshareopts[ZFS_MAXPROPLEN]; | |
3027 | const char *cmdname = op == OP_SHARE ? "share" : "mount"; | |
3028 | struct mnttab mnt; | |
3029 | uint64_t zoned, canmount; | |
3030 | zfs_type_t type = zfs_get_type(zhp); | |
3031 | boolean_t shared_nfs, shared_smb; | |
3032 | ||
3033 | assert(type & (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)); | |
3034 | ||
3035 | if (type == ZFS_TYPE_FILESYSTEM) { | |
3036 | /* | |
3037 | * Check to make sure we can mount/share this dataset. If we | |
3038 | * are in the global zone and the filesystem is exported to a | |
3039 | * local zone, or if we are in a local zone and the | |
3040 | * filesystem is not exported, then it is an error. | |
3041 | */ | |
3042 | zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); | |
3043 | ||
3044 | if (zoned && getzoneid() == GLOBAL_ZONEID) { | |
3045 | if (!explicit) | |
3046 | return (0); | |
3047 | ||
3048 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
3049 | "dataset is exported to a local zone\n"), cmdname, | |
3050 | zfs_get_name(zhp)); | |
3051 | return (1); | |
3052 | ||
3053 | } else if (!zoned && getzoneid() != GLOBAL_ZONEID) { | |
3054 | if (!explicit) | |
3055 | return (0); | |
3056 | ||
3057 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
3058 | "permission denied\n"), cmdname, | |
3059 | zfs_get_name(zhp)); | |
3060 | return (1); | |
3061 | } | |
3062 | ||
3063 | /* | |
3064 | * Ignore any filesystems which don't apply to us. This | |
3065 | * includes those with a legacy mountpoint, or those with | |
3066 | * legacy share options. | |
3067 | */ | |
3068 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, | |
3069 | sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0); | |
3070 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts, | |
3071 | sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0); | |
3072 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts, | |
3073 | sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0); | |
3074 | canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); | |
3075 | ||
3076 | if (op == OP_SHARE && strcmp(shareopts, "off") == 0 && | |
3077 | strcmp(smbshareopts, "off") == 0) { | |
3078 | if (!explicit) | |
3079 | return (0); | |
3080 | ||
3081 | (void) fprintf(stderr, gettext("cannot share '%s': " | |
3082 | "legacy share\n"), zfs_get_name(zhp)); | |
3083 | (void) fprintf(stderr, gettext("use share(1M) to " | |
3084 | "share this filesystem\n")); | |
3085 | return (1); | |
3086 | } | |
3087 | ||
3088 | /* | |
3089 | * We cannot share or mount legacy filesystems. If the | |
3090 | * shareopts is non-legacy but the mountpoint is legacy, we | |
3091 | * treat it as a legacy share. | |
3092 | */ | |
3093 | if (strcmp(mountpoint, "legacy") == 0) { | |
3094 | if (!explicit) | |
3095 | return (0); | |
3096 | ||
3097 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
3098 | "legacy mountpoint\n"), cmdname, zfs_get_name(zhp)); | |
3099 | (void) fprintf(stderr, gettext("use %s(1M) to " | |
3100 | "%s this filesystem\n"), cmdname, cmdname); | |
3101 | return (1); | |
3102 | } | |
3103 | ||
3104 | if (strcmp(mountpoint, "none") == 0) { | |
3105 | if (!explicit) | |
3106 | return (0); | |
3107 | ||
3108 | (void) fprintf(stderr, gettext("cannot %s '%s': no " | |
3109 | "mountpoint set\n"), cmdname, zfs_get_name(zhp)); | |
3110 | return (1); | |
3111 | } | |
3112 | ||
3113 | /* | |
3114 | * canmount explicit outcome | |
3115 | * on no pass through | |
3116 | * on yes pass through | |
3117 | * off no return 0 | |
3118 | * off yes display error, return 1 | |
3119 | * noauto no return 0 | |
3120 | * noauto yes pass through | |
3121 | */ | |
3122 | if (canmount == ZFS_CANMOUNT_OFF) { | |
3123 | if (!explicit) | |
3124 | return (0); | |
3125 | ||
3126 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
3127 | "'canmount' property is set to 'off'\n"), cmdname, | |
3128 | zfs_get_name(zhp)); | |
3129 | return (1); | |
3130 | } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) { | |
3131 | return (0); | |
3132 | } | |
3133 | ||
3134 | /* | |
3135 | * At this point, we have verified that the mountpoint and/or | |
3136 | * shareopts are appropriate for auto management. If the | |
3137 | * filesystem is already mounted or shared, return (failing | |
3138 | * for explicit requests); otherwise mount or share the | |
3139 | * filesystem. | |
3140 | */ | |
3141 | switch (op) { | |
3142 | case OP_SHARE: | |
3143 | ||
3144 | shared_nfs = zfs_is_shared_nfs(zhp, NULL); | |
3145 | shared_smb = zfs_is_shared_smb(zhp, NULL); | |
3146 | ||
3147 | if (shared_nfs && shared_smb || | |
3148 | (shared_nfs && strcmp(shareopts, "on") == 0 && | |
3149 | strcmp(smbshareopts, "off") == 0) || | |
3150 | (shared_smb && strcmp(smbshareopts, "on") == 0 && | |
3151 | strcmp(shareopts, "off") == 0)) { | |
3152 | if (!explicit) | |
3153 | return (0); | |
3154 | ||
3155 | (void) fprintf(stderr, gettext("cannot share " | |
3156 | "'%s': filesystem already shared\n"), | |
3157 | zfs_get_name(zhp)); | |
3158 | return (1); | |
3159 | } | |
3160 | ||
3161 | if (!zfs_is_mounted(zhp, NULL) && | |
3162 | zfs_mount(zhp, NULL, 0) != 0) | |
3163 | return (1); | |
3164 | ||
3165 | if (protocol == NULL) { | |
3166 | if (zfs_shareall(zhp) != 0) | |
3167 | return (1); | |
3168 | } else if (strcmp(protocol, "nfs") == 0) { | |
3169 | if (zfs_share_nfs(zhp)) | |
3170 | return (1); | |
3171 | } else if (strcmp(protocol, "smb") == 0) { | |
3172 | if (zfs_share_smb(zhp)) | |
3173 | return (1); | |
3174 | } else { | |
3175 | (void) fprintf(stderr, gettext("cannot share " | |
3176 | "'%s': invalid share type '%s' " | |
3177 | "specified\n"), | |
3178 | zfs_get_name(zhp), protocol); | |
3179 | return (1); | |
3180 | } | |
3181 | ||
3182 | break; | |
3183 | ||
3184 | case OP_MOUNT: | |
3185 | if (options == NULL) | |
3186 | mnt.mnt_mntopts = ""; | |
3187 | else | |
3188 | mnt.mnt_mntopts = (char *)options; | |
3189 | ||
3190 | if (!hasmntopt(&mnt, MNTOPT_REMOUNT) && | |
3191 | zfs_is_mounted(zhp, NULL)) { | |
3192 | if (!explicit) | |
3193 | return (0); | |
3194 | ||
3195 | (void) fprintf(stderr, gettext("cannot mount " | |
3196 | "'%s': filesystem already mounted\n"), | |
3197 | zfs_get_name(zhp)); | |
3198 | return (1); | |
3199 | } | |
3200 | ||
3201 | if (zfs_mount(zhp, options, flags) != 0) | |
3202 | return (1); | |
3203 | break; | |
3204 | } | |
3205 | } else { | |
3206 | assert(op == OP_SHARE); | |
3207 | ||
3208 | /* | |
3209 | * Ignore any volumes that aren't shared. | |
3210 | */ | |
3211 | verify(zfs_prop_get(zhp, ZFS_PROP_SHAREISCSI, shareopts, | |
3212 | sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0); | |
3213 | ||
3214 | if (strcmp(shareopts, "off") == 0) { | |
3215 | if (!explicit) | |
3216 | return (0); | |
3217 | ||
3218 | (void) fprintf(stderr, gettext("cannot share '%s': " | |
3219 | "'shareiscsi' property not set\n"), | |
3220 | zfs_get_name(zhp)); | |
3221 | (void) fprintf(stderr, gettext("set 'shareiscsi' " | |
3222 | "property or use iscsitadm(1M) to share this " | |
3223 | "volume\n")); | |
3224 | return (1); | |
3225 | } | |
3226 | ||
3227 | if (zfs_is_shared_iscsi(zhp)) { | |
3228 | if (!explicit) | |
3229 | return (0); | |
3230 | ||
3231 | (void) fprintf(stderr, gettext("cannot share " | |
3232 | "'%s': volume already shared\n"), | |
3233 | zfs_get_name(zhp)); | |
3234 | return (1); | |
3235 | } | |
3236 | ||
3237 | if (zfs_share_iscsi(zhp) != 0) | |
3238 | return (1); | |
3239 | } | |
3240 | ||
3241 | return (0); | |
3242 | } | |
3243 | ||
3244 | /* | |
3245 | * Reports progress in the form "(current/total)". Not thread-safe. | |
3246 | */ | |
3247 | static void | |
3248 | report_mount_progress(int current, int total) | |
3249 | { | |
3250 | static int len; | |
3251 | static char *reverse = "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b" | |
3252 | "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"; | |
3253 | static time_t last_progress_time; | |
3254 | time_t now = time(NULL); | |
3255 | ||
3256 | /* report 1..n instead of 0..n-1 */ | |
3257 | ++current; | |
3258 | ||
3259 | /* display header if we're here for the first time */ | |
3260 | if (current == 1) { | |
3261 | (void) printf(gettext("Mounting ZFS filesystems: ")); | |
3262 | len = 0; | |
3263 | } else if (current != total && last_progress_time + MOUNT_TIME >= now) { | |
3264 | /* too soon to report again */ | |
3265 | return; | |
3266 | } | |
3267 | ||
3268 | last_progress_time = now; | |
3269 | ||
3270 | /* back up to prepare for overwriting */ | |
3271 | if (len) | |
3272 | (void) printf("%*.*s", len, len, reverse); | |
3273 | ||
3274 | /* We put a newline at the end if this is the last one. */ | |
3275 | len = printf("(%d/%d)%s", current, total, current == total ? "\n" : ""); | |
3276 | (void) fflush(stdout); | |
3277 | } | |
3278 | ||
3279 | static void | |
3280 | append_options(char *mntopts, char *newopts) | |
3281 | { | |
3282 | int len = strlen(mntopts); | |
3283 | ||
3284 | /* original length plus new string to append plus 1 for the comma */ | |
3285 | if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) { | |
3286 | (void) fprintf(stderr, gettext("the opts argument for " | |
3287 | "'%c' option is too long (more than %d chars)\n"), | |
3288 | "-o", MNT_LINE_MAX); | |
3289 | usage(B_FALSE); | |
3290 | } | |
3291 | ||
3292 | if (*mntopts) | |
3293 | mntopts[len++] = ','; | |
3294 | ||
3295 | (void) strcpy(&mntopts[len], newopts); | |
3296 | } | |
3297 | ||
3298 | static int | |
3299 | share_mount(int op, int argc, char **argv) | |
3300 | { | |
3301 | int do_all = 0; | |
3302 | boolean_t verbose = B_FALSE; | |
3303 | int c, ret = 0; | |
3304 | char *options = NULL; | |
3305 | int types, flags = 0; | |
3306 | ||
3307 | /* check options */ | |
3308 | while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:O" : "a")) | |
3309 | != -1) { | |
3310 | switch (c) { | |
3311 | case 'a': | |
3312 | do_all = 1; | |
3313 | break; | |
3314 | case 'v': | |
3315 | verbose = B_TRUE; | |
3316 | break; | |
3317 | case 'o': | |
3318 | if (*optarg == '\0') { | |
3319 | (void) fprintf(stderr, gettext("empty mount " | |
3320 | "options (-o) specified\n")); | |
3321 | usage(B_FALSE); | |
3322 | } | |
3323 | ||
3324 | if (options == NULL) | |
3325 | options = safe_malloc(MNT_LINE_MAX + 1); | |
3326 | ||
3327 | /* option validation is done later */ | |
3328 | append_options(options, optarg); | |
3329 | break; | |
3330 | ||
3331 | case 'O': | |
3332 | flags |= MS_OVERLAY; | |
3333 | break; | |
3334 | case ':': | |
3335 | (void) fprintf(stderr, gettext("missing argument for " | |
3336 | "'%c' option\n"), optopt); | |
3337 | usage(B_FALSE); | |
3338 | break; | |
3339 | case '?': | |
3340 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3341 | optopt); | |
3342 | usage(B_FALSE); | |
3343 | } | |
3344 | } | |
3345 | ||
3346 | argc -= optind; | |
3347 | argv += optind; | |
3348 | ||
3349 | /* check number of arguments */ | |
3350 | if (do_all) { | |
3351 | zfs_handle_t **dslist = NULL; | |
3352 | size_t i, count = 0; | |
3353 | char *protocol = NULL; | |
3354 | ||
3355 | if (op == OP_MOUNT) { | |
3356 | types = ZFS_TYPE_FILESYSTEM; | |
3357 | } else if (argc > 0) { | |
3358 | if (strcmp(argv[0], "nfs") == 0 || | |
3359 | strcmp(argv[0], "smb") == 0) { | |
3360 | types = ZFS_TYPE_FILESYSTEM; | |
3361 | } else if (strcmp(argv[0], "iscsi") == 0) { | |
3362 | types = ZFS_TYPE_VOLUME; | |
3363 | } else { | |
3364 | (void) fprintf(stderr, gettext("share type " | |
3365 | "must be 'nfs', 'smb' or 'iscsi'\n")); | |
3366 | usage(B_FALSE); | |
3367 | } | |
3368 | protocol = argv[0]; | |
3369 | argc--; | |
3370 | argv++; | |
3371 | } else { | |
3372 | types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME; | |
3373 | } | |
3374 | ||
3375 | if (argc != 0) { | |
3376 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3377 | usage(B_FALSE); | |
3378 | } | |
3379 | ||
3380 | get_all_datasets(types, &dslist, &count, verbose); | |
3381 | ||
3382 | if (count == 0) | |
3383 | return (0); | |
3384 | ||
3385 | qsort(dslist, count, sizeof (void *), dataset_cmp); | |
3386 | ||
3387 | for (i = 0; i < count; i++) { | |
3388 | if (verbose) | |
3389 | report_mount_progress(i, count); | |
3390 | ||
3391 | if (share_mount_one(dslist[i], op, flags, protocol, | |
3392 | B_FALSE, options) != 0) | |
3393 | ret = 1; | |
3394 | zfs_close(dslist[i]); | |
3395 | } | |
3396 | ||
3397 | free(dslist); | |
3398 | } else if (argc == 0) { | |
3399 | struct mnttab entry; | |
3400 | ||
3401 | if ((op == OP_SHARE) || (options != NULL)) { | |
3402 | (void) fprintf(stderr, gettext("missing filesystem " | |
3403 | "argument (specify -a for all)\n")); | |
3404 | usage(B_FALSE); | |
3405 | } | |
3406 | ||
3407 | /* | |
3408 | * When mount is given no arguments, go through /etc/mnttab and | |
3409 | * display any active ZFS mounts. We hide any snapshots, since | |
3410 | * they are controlled automatically. | |
3411 | */ | |
3412 | rewind(mnttab_file); | |
3413 | while (getmntent(mnttab_file, &entry) == 0) { | |
3414 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 || | |
3415 | strchr(entry.mnt_special, '@') != NULL) | |
3416 | continue; | |
3417 | ||
3418 | (void) printf("%-30s %s\n", entry.mnt_special, | |
3419 | entry.mnt_mountp); | |
3420 | } | |
3421 | ||
3422 | } else { | |
3423 | zfs_handle_t *zhp; | |
3424 | ||
3425 | types = ZFS_TYPE_FILESYSTEM; | |
3426 | if (op == OP_SHARE) | |
3427 | types |= ZFS_TYPE_VOLUME; | |
3428 | ||
3429 | if (argc > 1) { | |
3430 | (void) fprintf(stderr, | |
3431 | gettext("too many arguments\n")); | |
3432 | usage(B_FALSE); | |
3433 | } | |
3434 | ||
3435 | if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL) { | |
3436 | ret = 1; | |
3437 | } else { | |
3438 | ret = share_mount_one(zhp, op, flags, NULL, B_TRUE, | |
3439 | options); | |
3440 | zfs_close(zhp); | |
3441 | } | |
3442 | } | |
3443 | ||
3444 | return (ret); | |
3445 | } | |
3446 | ||
3447 | /* | |
3448 | * zfs mount -a [nfs | iscsi] | |
3449 | * zfs mount filesystem | |
3450 | * | |
3451 | * Mount all filesystems, or mount the given filesystem. | |
3452 | */ | |
3453 | static int | |
3454 | zfs_do_mount(int argc, char **argv) | |
3455 | { | |
3456 | return (share_mount(OP_MOUNT, argc, argv)); | |
3457 | } | |
3458 | ||
3459 | /* | |
3460 | * zfs share -a [nfs | iscsi | smb] | |
3461 | * zfs share filesystem | |
3462 | * | |
3463 | * Share all filesystems, or share the given filesystem. | |
3464 | */ | |
3465 | static int | |
3466 | zfs_do_share(int argc, char **argv) | |
3467 | { | |
3468 | return (share_mount(OP_SHARE, argc, argv)); | |
3469 | } | |
3470 | ||
3471 | typedef struct unshare_unmount_node { | |
3472 | zfs_handle_t *un_zhp; | |
3473 | char *un_mountp; | |
3474 | uu_avl_node_t un_avlnode; | |
3475 | } unshare_unmount_node_t; | |
3476 | ||
3477 | /* ARGSUSED */ | |
3478 | static int | |
3479 | unshare_unmount_compare(const void *larg, const void *rarg, void *unused) | |
3480 | { | |
3481 | const unshare_unmount_node_t *l = larg; | |
3482 | const unshare_unmount_node_t *r = rarg; | |
3483 | ||
3484 | return (strcmp(l->un_mountp, r->un_mountp)); | |
3485 | } | |
3486 | ||
3487 | /* | |
3488 | * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an | |
3489 | * absolute path, find the entry /etc/mnttab, verify that its a ZFS filesystem, | |
3490 | * and unmount it appropriately. | |
3491 | */ | |
3492 | static int | |
3493 | unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) | |
3494 | { | |
3495 | zfs_handle_t *zhp; | |
3496 | int ret; | |
3497 | struct stat64 statbuf; | |
3498 | struct extmnttab entry; | |
3499 | const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount"; | |
3500 | ino_t path_inode; | |
3501 | ||
3502 | /* | |
3503 | * Search for the path in /etc/mnttab. Rather than looking for the | |
3504 | * specific path, which can be fooled by non-standard paths (i.e. ".." | |
3505 | * or "//"), we stat() the path and search for the corresponding | |
3506 | * (major,minor) device pair. | |
3507 | */ | |
3508 | if (stat64(path, &statbuf) != 0) { | |
3509 | (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), | |
3510 | cmdname, path, strerror(errno)); | |
3511 | return (1); | |
3512 | } | |
3513 | path_inode = statbuf.st_ino; | |
3514 | ||
3515 | /* | |
3516 | * Search for the given (major,minor) pair in the mount table. | |
3517 | */ | |
3518 | rewind(mnttab_file); | |
3519 | while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) { | |
3520 | if (entry.mnt_major == major(statbuf.st_dev) && | |
3521 | entry.mnt_minor == minor(statbuf.st_dev)) | |
3522 | break; | |
3523 | } | |
3524 | if (ret != 0) { | |
3525 | if (op == OP_SHARE) { | |
3526 | (void) fprintf(stderr, gettext("cannot %s '%s': not " | |
3527 | "currently mounted\n"), cmdname, path); | |
3528 | return (1); | |
3529 | } | |
3530 | (void) fprintf(stderr, gettext("warning: %s not in mnttab\n"), | |
3531 | path); | |
3532 | if ((ret = umount2(path, flags)) != 0) | |
3533 | (void) fprintf(stderr, gettext("%s: %s\n"), path, | |
3534 | strerror(errno)); | |
3535 | return (ret != 0); | |
3536 | } | |
3537 | ||
3538 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { | |
3539 | (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS " | |
3540 | "filesystem\n"), cmdname, path); | |
3541 | return (1); | |
3542 | } | |
3543 | ||
3544 | if ((zhp = zfs_open(g_zfs, entry.mnt_special, | |
3545 | ZFS_TYPE_FILESYSTEM)) == NULL) | |
3546 | return (1); | |
3547 | ||
34dc7c2f | 3548 | ret = 1; |
b128c09f BB |
3549 | if (stat64(entry.mnt_mountp, &statbuf) != 0) { |
3550 | (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), | |
3551 | cmdname, path, strerror(errno)); | |
3552 | goto out; | |
3553 | } else if (statbuf.st_ino != path_inode) { | |
3554 | (void) fprintf(stderr, gettext("cannot " | |
3555 | "%s '%s': not a mountpoint\n"), cmdname, path); | |
3556 | goto out; | |
3557 | } | |
3558 | ||
34dc7c2f BB |
3559 | if (op == OP_SHARE) { |
3560 | char nfs_mnt_prop[ZFS_MAXPROPLEN]; | |
3561 | char smbshare_prop[ZFS_MAXPROPLEN]; | |
3562 | ||
3563 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop, | |
3564 | sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0); | |
3565 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop, | |
3566 | sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0); | |
3567 | ||
3568 | if (strcmp(nfs_mnt_prop, "off") == 0 && | |
3569 | strcmp(smbshare_prop, "off") == 0) { | |
3570 | (void) fprintf(stderr, gettext("cannot unshare " | |
3571 | "'%s': legacy share\n"), path); | |
3572 | (void) fprintf(stderr, gettext("use " | |
3573 | "unshare(1M) to unshare this filesystem\n")); | |
3574 | } else if (!zfs_is_shared(zhp)) { | |
3575 | (void) fprintf(stderr, gettext("cannot unshare '%s': " | |
3576 | "not currently shared\n"), path); | |
3577 | } else { | |
3578 | ret = zfs_unshareall_bypath(zhp, path); | |
3579 | } | |
3580 | } else { | |
3581 | char mtpt_prop[ZFS_MAXPROPLEN]; | |
3582 | ||
3583 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop, | |
3584 | sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0); | |
3585 | ||
b128c09f | 3586 | if (is_manual) { |
34dc7c2f BB |
3587 | ret = zfs_unmount(zhp, NULL, flags); |
3588 | } else if (strcmp(mtpt_prop, "legacy") == 0) { | |
3589 | (void) fprintf(stderr, gettext("cannot unmount " | |
3590 | "'%s': legacy mountpoint\n"), | |
3591 | zfs_get_name(zhp)); | |
3592 | (void) fprintf(stderr, gettext("use umount(1M) " | |
3593 | "to unmount this filesystem\n")); | |
3594 | } else { | |
3595 | ret = zfs_unmountall(zhp, flags); | |
3596 | } | |
3597 | } | |
3598 | ||
b128c09f | 3599 | out: |
34dc7c2f BB |
3600 | zfs_close(zhp); |
3601 | ||
3602 | return (ret != 0); | |
3603 | } | |
3604 | ||
3605 | /* | |
3606 | * Generic callback for unsharing or unmounting a filesystem. | |
3607 | */ | |
3608 | static int | |
3609 | unshare_unmount(int op, int argc, char **argv) | |
3610 | { | |
3611 | int do_all = 0; | |
3612 | int flags = 0; | |
3613 | int ret = 0; | |
3614 | int types, c; | |
3615 | zfs_handle_t *zhp; | |
3616 | char nfsiscsi_mnt_prop[ZFS_MAXPROPLEN]; | |
3617 | char sharesmb[ZFS_MAXPROPLEN]; | |
3618 | ||
3619 | /* check options */ | |
3620 | while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) { | |
3621 | switch (c) { | |
3622 | case 'a': | |
3623 | do_all = 1; | |
3624 | break; | |
3625 | case 'f': | |
3626 | flags = MS_FORCE; | |
3627 | break; | |
3628 | case '?': | |
3629 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3630 | optopt); | |
3631 | usage(B_FALSE); | |
3632 | } | |
3633 | } | |
3634 | ||
3635 | argc -= optind; | |
3636 | argv += optind; | |
3637 | ||
3638 | if (do_all) { | |
3639 | /* | |
3640 | * We could make use of zfs_for_each() to walk all datasets in | |
3641 | * the system, but this would be very inefficient, especially | |
3642 | * since we would have to linearly search /etc/mnttab for each | |
3643 | * one. Instead, do one pass through /etc/mnttab looking for | |
3644 | * zfs entries and call zfs_unmount() for each one. | |
3645 | * | |
3646 | * Things get a little tricky if the administrator has created | |
3647 | * mountpoints beneath other ZFS filesystems. In this case, we | |
3648 | * have to unmount the deepest filesystems first. To accomplish | |
3649 | * this, we place all the mountpoints in an AVL tree sorted by | |
3650 | * the special type (dataset name), and walk the result in | |
3651 | * reverse to make sure to get any snapshots first. | |
3652 | */ | |
3653 | struct mnttab entry; | |
3654 | uu_avl_pool_t *pool; | |
3655 | uu_avl_t *tree; | |
3656 | unshare_unmount_node_t *node; | |
3657 | uu_avl_index_t idx; | |
3658 | uu_avl_walk_t *walk; | |
3659 | ||
3660 | if (argc != 0) { | |
3661 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3662 | usage(B_FALSE); | |
3663 | } | |
3664 | ||
3665 | if ((pool = uu_avl_pool_create("unmount_pool", | |
3666 | sizeof (unshare_unmount_node_t), | |
3667 | offsetof(unshare_unmount_node_t, un_avlnode), | |
3668 | unshare_unmount_compare, | |
3669 | UU_DEFAULT)) == NULL) { | |
3670 | (void) fprintf(stderr, gettext("internal error: " | |
3671 | "out of memory\n")); | |
3672 | exit(1); | |
3673 | } | |
3674 | ||
3675 | if ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL) { | |
3676 | (void) fprintf(stderr, gettext("internal error: " | |
3677 | "out of memory\n")); | |
3678 | exit(1); | |
3679 | } | |
3680 | ||
3681 | rewind(mnttab_file); | |
3682 | while (getmntent(mnttab_file, &entry) == 0) { | |
3683 | ||
3684 | /* ignore non-ZFS entries */ | |
3685 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) | |
3686 | continue; | |
3687 | ||
3688 | /* ignore snapshots */ | |
3689 | if (strchr(entry.mnt_special, '@') != NULL) | |
3690 | continue; | |
3691 | ||
3692 | if ((zhp = zfs_open(g_zfs, entry.mnt_special, | |
3693 | ZFS_TYPE_FILESYSTEM)) == NULL) { | |
3694 | ret = 1; | |
3695 | continue; | |
3696 | } | |
3697 | ||
3698 | switch (op) { | |
3699 | case OP_SHARE: | |
3700 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, | |
3701 | nfsiscsi_mnt_prop, | |
3702 | sizeof (nfsiscsi_mnt_prop), | |
3703 | NULL, NULL, 0, B_FALSE) == 0); | |
3704 | if (strcmp(nfsiscsi_mnt_prop, "off") != 0) | |
3705 | break; | |
3706 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, | |
3707 | nfsiscsi_mnt_prop, | |
3708 | sizeof (nfsiscsi_mnt_prop), | |
3709 | NULL, NULL, 0, B_FALSE) == 0); | |
3710 | if (strcmp(nfsiscsi_mnt_prop, "off") == 0) | |
3711 | continue; | |
3712 | break; | |
3713 | case OP_MOUNT: | |
3714 | /* Ignore legacy mounts */ | |
3715 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, | |
3716 | nfsiscsi_mnt_prop, | |
3717 | sizeof (nfsiscsi_mnt_prop), | |
3718 | NULL, NULL, 0, B_FALSE) == 0); | |
3719 | if (strcmp(nfsiscsi_mnt_prop, "legacy") == 0) | |
3720 | continue; | |
3721 | /* Ignore canmount=noauto mounts */ | |
3722 | if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == | |
3723 | ZFS_CANMOUNT_NOAUTO) | |
3724 | continue; | |
3725 | default: | |
3726 | break; | |
3727 | } | |
3728 | ||
3729 | node = safe_malloc(sizeof (unshare_unmount_node_t)); | |
3730 | node->un_zhp = zhp; | |
3731 | ||
3732 | if ((node->un_mountp = strdup(entry.mnt_mountp)) == | |
3733 | NULL) { | |
3734 | (void) fprintf(stderr, gettext("internal error:" | |
3735 | " out of memory\n")); | |
3736 | exit(1); | |
3737 | } | |
3738 | ||
3739 | uu_avl_node_init(node, &node->un_avlnode, pool); | |
3740 | ||
3741 | if (uu_avl_find(tree, node, NULL, &idx) == NULL) { | |
3742 | uu_avl_insert(tree, node, idx); | |
3743 | } else { | |
3744 | zfs_close(node->un_zhp); | |
3745 | free(node->un_mountp); | |
3746 | free(node); | |
3747 | } | |
3748 | } | |
3749 | ||
3750 | /* | |
3751 | * Walk the AVL tree in reverse, unmounting each filesystem and | |
3752 | * removing it from the AVL tree in the process. | |
3753 | */ | |
3754 | if ((walk = uu_avl_walk_start(tree, | |
3755 | UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL) { | |
3756 | (void) fprintf(stderr, | |
3757 | gettext("internal error: out of memory")); | |
3758 | exit(1); | |
3759 | } | |
3760 | ||
3761 | while ((node = uu_avl_walk_next(walk)) != NULL) { | |
3762 | uu_avl_remove(tree, node); | |
3763 | ||
3764 | switch (op) { | |
3765 | case OP_SHARE: | |
3766 | if (zfs_unshareall_bypath(node->un_zhp, | |
3767 | node->un_mountp) != 0) | |
3768 | ret = 1; | |
3769 | break; | |
3770 | ||
3771 | case OP_MOUNT: | |
3772 | if (zfs_unmount(node->un_zhp, | |
3773 | node->un_mountp, flags) != 0) | |
3774 | ret = 1; | |
3775 | break; | |
3776 | } | |
3777 | ||
3778 | zfs_close(node->un_zhp); | |
3779 | free(node->un_mountp); | |
3780 | free(node); | |
3781 | } | |
3782 | ||
3783 | uu_avl_walk_end(walk); | |
3784 | uu_avl_destroy(tree); | |
3785 | uu_avl_pool_destroy(pool); | |
3786 | ||
3787 | if (op == OP_SHARE) { | |
3788 | /* | |
3789 | * Finally, unshare any volumes shared via iSCSI. | |
3790 | */ | |
3791 | zfs_handle_t **dslist = NULL; | |
3792 | size_t i, count = 0; | |
3793 | ||
3794 | get_all_datasets(ZFS_TYPE_VOLUME, &dslist, &count, | |
3795 | B_FALSE); | |
3796 | ||
3797 | if (count != 0) { | |
3798 | qsort(dslist, count, sizeof (void *), | |
3799 | dataset_cmp); | |
3800 | ||
3801 | for (i = 0; i < count; i++) { | |
3802 | if (zfs_unshare_iscsi(dslist[i]) != 0) | |
3803 | ret = 1; | |
3804 | zfs_close(dslist[i]); | |
3805 | } | |
3806 | ||
3807 | free(dslist); | |
3808 | } | |
3809 | } | |
3810 | } else { | |
3811 | if (argc != 1) { | |
3812 | if (argc == 0) | |
3813 | (void) fprintf(stderr, | |
3814 | gettext("missing filesystem argument\n")); | |
3815 | else | |
3816 | (void) fprintf(stderr, | |
3817 | gettext("too many arguments\n")); | |
3818 | usage(B_FALSE); | |
3819 | } | |
3820 | ||
3821 | /* | |
3822 | * We have an argument, but it may be a full path or a ZFS | |
3823 | * filesystem. Pass full paths off to unmount_path() (shared by | |
3824 | * manual_unmount), otherwise open the filesystem and pass to | |
3825 | * zfs_unmount(). | |
3826 | */ | |
3827 | if (argv[0][0] == '/') | |
3828 | return (unshare_unmount_path(op, argv[0], | |
3829 | flags, B_FALSE)); | |
3830 | ||
3831 | types = ZFS_TYPE_FILESYSTEM; | |
3832 | if (op == OP_SHARE) | |
3833 | types |= ZFS_TYPE_VOLUME; | |
3834 | ||
3835 | if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL) | |
3836 | return (1); | |
3837 | ||
3838 | if (zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { | |
3839 | verify(zfs_prop_get(zhp, op == OP_SHARE ? | |
3840 | ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT, | |
3841 | nfsiscsi_mnt_prop, sizeof (nfsiscsi_mnt_prop), NULL, | |
3842 | NULL, 0, B_FALSE) == 0); | |
3843 | ||
3844 | switch (op) { | |
3845 | case OP_SHARE: | |
3846 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, | |
3847 | nfsiscsi_mnt_prop, | |
3848 | sizeof (nfsiscsi_mnt_prop), | |
3849 | NULL, NULL, 0, B_FALSE) == 0); | |
3850 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, | |
3851 | sharesmb, sizeof (sharesmb), NULL, NULL, | |
3852 | 0, B_FALSE) == 0); | |
3853 | ||
3854 | if (strcmp(nfsiscsi_mnt_prop, "off") == 0 && | |
3855 | strcmp(sharesmb, "off") == 0) { | |
3856 | (void) fprintf(stderr, gettext("cannot " | |
3857 | "unshare '%s': legacy share\n"), | |
3858 | zfs_get_name(zhp)); | |
3859 | (void) fprintf(stderr, gettext("use " | |
3860 | "unshare(1M) to unshare this " | |
3861 | "filesystem\n")); | |
3862 | ret = 1; | |
3863 | } else if (!zfs_is_shared(zhp)) { | |
3864 | (void) fprintf(stderr, gettext("cannot " | |
3865 | "unshare '%s': not currently " | |
3866 | "shared\n"), zfs_get_name(zhp)); | |
3867 | ret = 1; | |
3868 | } else if (zfs_unshareall(zhp) != 0) { | |
3869 | ret = 1; | |
3870 | } | |
3871 | break; | |
3872 | ||
3873 | case OP_MOUNT: | |
3874 | if (strcmp(nfsiscsi_mnt_prop, "legacy") == 0) { | |
3875 | (void) fprintf(stderr, gettext("cannot " | |
3876 | "unmount '%s': legacy " | |
3877 | "mountpoint\n"), zfs_get_name(zhp)); | |
3878 | (void) fprintf(stderr, gettext("use " | |
3879 | "umount(1M) to unmount this " | |
3880 | "filesystem\n")); | |
3881 | ret = 1; | |
3882 | } else if (!zfs_is_mounted(zhp, NULL)) { | |
3883 | (void) fprintf(stderr, gettext("cannot " | |
3884 | "unmount '%s': not currently " | |
3885 | "mounted\n"), | |
3886 | zfs_get_name(zhp)); | |
3887 | ret = 1; | |
3888 | } else if (zfs_unmountall(zhp, flags) != 0) { | |
3889 | ret = 1; | |
3890 | } | |
3891 | break; | |
3892 | } | |
3893 | } else { | |
3894 | assert(op == OP_SHARE); | |
3895 | ||
3896 | verify(zfs_prop_get(zhp, ZFS_PROP_SHAREISCSI, | |
3897 | nfsiscsi_mnt_prop, sizeof (nfsiscsi_mnt_prop), | |
3898 | NULL, NULL, 0, B_FALSE) == 0); | |
3899 | ||
3900 | if (strcmp(nfsiscsi_mnt_prop, "off") == 0) { | |
3901 | (void) fprintf(stderr, gettext("cannot unshare " | |
3902 | "'%s': 'shareiscsi' property not set\n"), | |
3903 | zfs_get_name(zhp)); | |
3904 | (void) fprintf(stderr, gettext("set " | |
3905 | "'shareiscsi' property or use " | |
3906 | "iscsitadm(1M) to share this volume\n")); | |
3907 | ret = 1; | |
3908 | } else if (!zfs_is_shared_iscsi(zhp)) { | |
3909 | (void) fprintf(stderr, gettext("cannot " | |
3910 | "unshare '%s': not currently shared\n"), | |
3911 | zfs_get_name(zhp)); | |
3912 | ret = 1; | |
3913 | } else if (zfs_unshare_iscsi(zhp) != 0) { | |
3914 | ret = 1; | |
3915 | } | |
3916 | } | |
3917 | ||
3918 | zfs_close(zhp); | |
3919 | } | |
3920 | ||
3921 | return (ret); | |
3922 | } | |
3923 | ||
3924 | /* | |
3925 | * zfs unmount -a | |
3926 | * zfs unmount filesystem | |
3927 | * | |
3928 | * Unmount all filesystems, or a specific ZFS filesystem. | |
3929 | */ | |
3930 | static int | |
3931 | zfs_do_unmount(int argc, char **argv) | |
3932 | { | |
3933 | return (unshare_unmount(OP_MOUNT, argc, argv)); | |
3934 | } | |
3935 | ||
3936 | /* | |
3937 | * zfs unshare -a | |
3938 | * zfs unshare filesystem | |
3939 | * | |
3940 | * Unshare all filesystems, or a specific ZFS filesystem. | |
3941 | */ | |
3942 | static int | |
3943 | zfs_do_unshare(int argc, char **argv) | |
3944 | { | |
3945 | return (unshare_unmount(OP_SHARE, argc, argv)); | |
3946 | } | |
3947 | ||
3948 | /* | |
3949 | * Called when invoked as /etc/fs/zfs/mount. Do the mount if the mountpoint is | |
3950 | * 'legacy'. Otherwise, complain that use should be using 'zfs mount'. | |
3951 | */ | |
3952 | static int | |
3953 | manual_mount(int argc, char **argv) | |
3954 | { | |
3955 | zfs_handle_t *zhp; | |
3956 | char mountpoint[ZFS_MAXPROPLEN]; | |
3957 | char mntopts[MNT_LINE_MAX] = { '\0' }; | |
3958 | int ret; | |
3959 | int c; | |
3960 | int flags = 0; | |
3961 | char *dataset, *path; | |
3962 | ||
3963 | /* check options */ | |
3964 | while ((c = getopt(argc, argv, ":mo:O")) != -1) { | |
3965 | switch (c) { | |
3966 | case 'o': | |
3967 | (void) strlcpy(mntopts, optarg, sizeof (mntopts)); | |
3968 | break; | |
3969 | case 'O': | |
3970 | flags |= MS_OVERLAY; | |
3971 | break; | |
3972 | case 'm': | |
3973 | flags |= MS_NOMNTTAB; | |
3974 | break; | |
3975 | case ':': | |
3976 | (void) fprintf(stderr, gettext("missing argument for " | |
3977 | "'%c' option\n"), optopt); | |
3978 | usage(B_FALSE); | |
3979 | break; | |
3980 | case '?': | |
3981 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3982 | optopt); | |
3983 | (void) fprintf(stderr, gettext("usage: mount [-o opts] " | |
3984 | "<path>\n")); | |
3985 | return (2); | |
3986 | } | |
3987 | } | |
3988 | ||
3989 | argc -= optind; | |
3990 | argv += optind; | |
3991 | ||
3992 | /* check that we only have two arguments */ | |
3993 | if (argc != 2) { | |
3994 | if (argc == 0) | |
3995 | (void) fprintf(stderr, gettext("missing dataset " | |
3996 | "argument\n")); | |
3997 | else if (argc == 1) | |
3998 | (void) fprintf(stderr, | |
3999 | gettext("missing mountpoint argument\n")); | |
4000 | else | |
4001 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
4002 | (void) fprintf(stderr, "usage: mount <dataset> <mountpoint>\n"); | |
4003 | return (2); | |
4004 | } | |
4005 | ||
4006 | dataset = argv[0]; | |
4007 | path = argv[1]; | |
4008 | ||
4009 | /* try to open the dataset */ | |
4010 | if ((zhp = zfs_open(g_zfs, dataset, ZFS_TYPE_FILESYSTEM)) == NULL) | |
4011 | return (1); | |
4012 | ||
4013 | (void) zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, | |
4014 | sizeof (mountpoint), NULL, NULL, 0, B_FALSE); | |
4015 | ||
4016 | /* check for legacy mountpoint and complain appropriately */ | |
4017 | ret = 0; | |
4018 | if (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) == 0) { | |
4019 | if (mount(dataset, path, MS_OPTIONSTR | flags, MNTTYPE_ZFS, | |
4020 | NULL, 0, mntopts, sizeof (mntopts)) != 0) { | |
4021 | (void) fprintf(stderr, gettext("mount failed: %s\n"), | |
4022 | strerror(errno)); | |
4023 | ret = 1; | |
4024 | } | |
4025 | } else { | |
4026 | (void) fprintf(stderr, gettext("filesystem '%s' cannot be " | |
4027 | "mounted using 'mount -F zfs'\n"), dataset); | |
4028 | (void) fprintf(stderr, gettext("Use 'zfs set mountpoint=%s' " | |
4029 | "instead.\n"), path); | |
4030 | (void) fprintf(stderr, gettext("If you must use 'mount -F zfs' " | |
4031 | "or /etc/vfstab, use 'zfs set mountpoint=legacy'.\n")); | |
4032 | (void) fprintf(stderr, gettext("See zfs(1M) for more " | |
4033 | "information.\n")); | |
4034 | ret = 1; | |
4035 | } | |
4036 | ||
4037 | return (ret); | |
4038 | } | |
4039 | ||
4040 | /* | |
4041 | * Called when invoked as /etc/fs/zfs/umount. Unlike a manual mount, we allow | |
4042 | * unmounts of non-legacy filesystems, as this is the dominant administrative | |
4043 | * interface. | |
4044 | */ | |
4045 | static int | |
4046 | manual_unmount(int argc, char **argv) | |
4047 | { | |
4048 | int flags = 0; | |
4049 | int c; | |
4050 | ||
4051 | /* check options */ | |
4052 | while ((c = getopt(argc, argv, "f")) != -1) { | |
4053 | switch (c) { | |
4054 | case 'f': | |
4055 | flags = MS_FORCE; | |
4056 | break; | |
4057 | case '?': | |
4058 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
4059 | optopt); | |
4060 | (void) fprintf(stderr, gettext("usage: unmount [-f] " | |
4061 | "<path>\n")); | |
4062 | return (2); | |
4063 | } | |
4064 | } | |
4065 | ||
4066 | argc -= optind; | |
4067 | argv += optind; | |
4068 | ||
4069 | /* check arguments */ | |
4070 | if (argc != 1) { | |
4071 | if (argc == 0) | |
4072 | (void) fprintf(stderr, gettext("missing path " | |
4073 | "argument\n")); | |
4074 | else | |
4075 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
4076 | (void) fprintf(stderr, gettext("usage: unmount [-f] <path>\n")); | |
4077 | return (2); | |
4078 | } | |
4079 | ||
4080 | return (unshare_unmount_path(OP_MOUNT, argv[0], flags, B_TRUE)); | |
4081 | } | |
4082 | ||
4083 | static int | |
4084 | volcheck(zpool_handle_t *zhp, void *data) | |
4085 | { | |
4086 | boolean_t isinit = *((boolean_t *)data); | |
4087 | ||
4088 | if (isinit) | |
4089 | return (zpool_create_zvol_links(zhp)); | |
4090 | else | |
4091 | return (zpool_remove_zvol_links(zhp)); | |
4092 | } | |
4093 | ||
4094 | /* | |
4095 | * Iterate over all pools in the system and either create or destroy /dev/zvol | |
4096 | * links, depending on the value of 'isinit'. | |
4097 | */ | |
4098 | static int | |
4099 | do_volcheck(boolean_t isinit) | |
4100 | { | |
4101 | return (zpool_iter(g_zfs, volcheck, &isinit) ? 1 : 0); | |
4102 | } | |
4103 | ||
4104 | static int | |
4105 | find_command_idx(char *command, int *idx) | |
4106 | { | |
4107 | int i; | |
4108 | ||
4109 | for (i = 0; i < NCOMMAND; i++) { | |
4110 | if (command_table[i].name == NULL) | |
4111 | continue; | |
4112 | ||
4113 | if (strcmp(command, command_table[i].name) == 0) { | |
4114 | *idx = i; | |
4115 | return (0); | |
4116 | } | |
4117 | } | |
4118 | return (1); | |
4119 | } | |
4120 | ||
4121 | int | |
4122 | main(int argc, char **argv) | |
4123 | { | |
4124 | int ret; | |
4125 | int i; | |
4126 | char *progname; | |
4127 | char *cmdname; | |
4128 | ||
4129 | (void) setlocale(LC_ALL, ""); | |
4130 | (void) textdomain(TEXT_DOMAIN); | |
4131 | ||
4132 | opterr = 0; | |
4133 | ||
4134 | if ((g_zfs = libzfs_init()) == NULL) { | |
4135 | (void) fprintf(stderr, gettext("internal error: failed to " | |
4136 | "initialize ZFS library\n")); | |
4137 | return (1); | |
4138 | } | |
4139 | ||
4140 | zpool_set_history_str("zfs", argc, argv, history_str); | |
4141 | verify(zpool_stage_history(g_zfs, history_str) == 0); | |
4142 | ||
4143 | libzfs_print_on_error(g_zfs, B_TRUE); | |
4144 | ||
4145 | if ((mnttab_file = fopen(MNTTAB, "r")) == NULL) { | |
4146 | (void) fprintf(stderr, gettext("internal error: unable to " | |
4147 | "open %s\n"), MNTTAB); | |
4148 | return (1); | |
4149 | } | |
4150 | ||
4151 | /* | |
4152 | * This command also doubles as the /etc/fs mount and unmount program. | |
4153 | * Determine if we should take this behavior based on argv[0]. | |
4154 | */ | |
4155 | progname = basename(argv[0]); | |
4156 | if (strcmp(progname, "mount") == 0) { | |
4157 | ret = manual_mount(argc, argv); | |
4158 | } else if (strcmp(progname, "umount") == 0) { | |
4159 | ret = manual_unmount(argc, argv); | |
4160 | } else { | |
4161 | /* | |
4162 | * Make sure the user has specified some command. | |
4163 | */ | |
4164 | if (argc < 2) { | |
4165 | (void) fprintf(stderr, gettext("missing command\n")); | |
4166 | usage(B_FALSE); | |
4167 | } | |
4168 | ||
4169 | cmdname = argv[1]; | |
4170 | ||
4171 | /* | |
4172 | * The 'umount' command is an alias for 'unmount' | |
4173 | */ | |
4174 | if (strcmp(cmdname, "umount") == 0) | |
4175 | cmdname = "unmount"; | |
4176 | ||
4177 | /* | |
4178 | * The 'recv' command is an alias for 'receive' | |
4179 | */ | |
4180 | if (strcmp(cmdname, "recv") == 0) | |
4181 | cmdname = "receive"; | |
4182 | ||
4183 | /* | |
4184 | * Special case '-?' | |
4185 | */ | |
4186 | if (strcmp(cmdname, "-?") == 0) | |
4187 | usage(B_TRUE); | |
4188 | ||
4189 | /* | |
4190 | * 'volinit' and 'volfini' do not appear in the usage message, | |
4191 | * so we have to special case them here. | |
4192 | */ | |
4193 | if (strcmp(cmdname, "volinit") == 0) | |
4194 | return (do_volcheck(B_TRUE)); | |
4195 | else if (strcmp(cmdname, "volfini") == 0) | |
4196 | return (do_volcheck(B_FALSE)); | |
4197 | ||
4198 | /* | |
4199 | * Run the appropriate command. | |
4200 | */ | |
4201 | if (find_command_idx(cmdname, &i) == 0) { | |
4202 | current_command = &command_table[i]; | |
4203 | ret = command_table[i].func(argc - 1, argv + 1); | |
4204 | } else if (strchr(cmdname, '=') != NULL) { | |
4205 | verify(find_command_idx("set", &i) == 0); | |
4206 | current_command = &command_table[i]; | |
4207 | ret = command_table[i].func(argc, argv); | |
4208 | } else { | |
4209 | (void) fprintf(stderr, gettext("unrecognized " | |
4210 | "command '%s'\n"), cmdname); | |
4211 | usage(B_FALSE); | |
4212 | } | |
4213 | } | |
4214 | ||
4215 | (void) fclose(mnttab_file); | |
4216 | ||
4217 | libzfs_fini(g_zfs); | |
4218 | ||
4219 | /* | |
4220 | * The 'ZFS_ABORT' environment variable causes us to dump core on exit | |
4221 | * for the purposes of running ::findleaks. | |
4222 | */ | |
4223 | if (getenv("ZFS_ABORT") != NULL) { | |
4224 | (void) printf("dumping core by request\n"); | |
4225 | abort(); | |
4226 | } | |
4227 | ||
4228 | return (ret); | |
4229 | } |