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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 | /* | |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
bb939d10 | 24 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
34dc7c2f BB |
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> | |
9babb374 BB |
42 | #include <grp.h> |
43 | #include <pwd.h> | |
572e2857 | 44 | #include <signal.h> |
34dc7c2f BB |
45 | #include <sys/mkdev.h> |
46 | #include <sys/mntent.h> | |
47 | #include <sys/mnttab.h> | |
48 | #include <sys/mount.h> | |
49 | #include <sys/stat.h> | |
9babb374 | 50 | #include <sys/fs/zfs.h> |
428870ff BB |
51 | #include <sys/types.h> |
52 | #include <time.h> | |
34dc7c2f BB |
53 | |
54 | #include <libzfs.h> | |
55 | #include <libuutil.h> | |
56 | ||
57 | #include "zfs_iter.h" | |
58 | #include "zfs_util.h" | |
428870ff | 59 | #include "zfs_comutil.h" |
34dc7c2f BB |
60 | |
61 | libzfs_handle_t *g_zfs; | |
62 | ||
63 | static FILE *mnttab_file; | |
64 | static char history_str[HIS_MAX_RECORD_LEN]; | |
9babb374 | 65 | const char *pypath = "/usr/lib/zfs/pyzfs.py"; |
34dc7c2f BB |
66 | |
67 | static int zfs_do_clone(int argc, char **argv); | |
68 | static int zfs_do_create(int argc, char **argv); | |
69 | static int zfs_do_destroy(int argc, char **argv); | |
70 | static int zfs_do_get(int argc, char **argv); | |
71 | static int zfs_do_inherit(int argc, char **argv); | |
72 | static int zfs_do_list(int argc, char **argv); | |
73 | static int zfs_do_mount(int argc, char **argv); | |
74 | static int zfs_do_rename(int argc, char **argv); | |
75 | static int zfs_do_rollback(int argc, char **argv); | |
76 | static int zfs_do_set(int argc, char **argv); | |
77 | static int zfs_do_upgrade(int argc, char **argv); | |
78 | static int zfs_do_snapshot(int argc, char **argv); | |
79 | static int zfs_do_unmount(int argc, char **argv); | |
80 | static int zfs_do_share(int argc, char **argv); | |
81 | static int zfs_do_unshare(int argc, char **argv); | |
82 | static int zfs_do_send(int argc, char **argv); | |
83 | static int zfs_do_receive(int argc, char **argv); | |
84 | static int zfs_do_promote(int argc, char **argv); | |
9babb374 BB |
85 | static int zfs_do_userspace(int argc, char **argv); |
86 | static int zfs_do_python(int argc, char **argv); | |
45d1cae3 BB |
87 | static int zfs_do_hold(int argc, char **argv); |
88 | static int zfs_do_release(int argc, char **argv); | |
572e2857 | 89 | static int zfs_do_diff(int argc, char **argv); |
34dc7c2f BB |
90 | |
91 | /* | |
b128c09f | 92 | * Enable a reasonable set of defaults for libumem debugging on DEBUG builds. |
34dc7c2f | 93 | */ |
b128c09f BB |
94 | |
95 | #ifdef DEBUG | |
34dc7c2f BB |
96 | const char * |
97 | _umem_debug_init(void) | |
98 | { | |
99 | return ("default,verbose"); /* $UMEM_DEBUG setting */ | |
100 | } | |
101 | ||
102 | const char * | |
103 | _umem_logging_init(void) | |
104 | { | |
105 | return ("fail,contents"); /* $UMEM_LOGGING setting */ | |
106 | } | |
b128c09f | 107 | #endif |
34dc7c2f BB |
108 | |
109 | typedef enum { | |
110 | HELP_CLONE, | |
111 | HELP_CREATE, | |
112 | HELP_DESTROY, | |
113 | HELP_GET, | |
114 | HELP_INHERIT, | |
115 | HELP_UPGRADE, | |
116 | HELP_LIST, | |
117 | HELP_MOUNT, | |
118 | HELP_PROMOTE, | |
119 | HELP_RECEIVE, | |
120 | HELP_RENAME, | |
121 | HELP_ROLLBACK, | |
122 | HELP_SEND, | |
123 | HELP_SET, | |
124 | HELP_SHARE, | |
125 | HELP_SNAPSHOT, | |
126 | HELP_UNMOUNT, | |
127 | HELP_UNSHARE, | |
128 | HELP_ALLOW, | |
9babb374 BB |
129 | HELP_UNALLOW, |
130 | HELP_USERSPACE, | |
45d1cae3 BB |
131 | HELP_GROUPSPACE, |
132 | HELP_HOLD, | |
133 | HELP_HOLDS, | |
572e2857 BB |
134 | HELP_RELEASE, |
135 | HELP_DIFF | |
34dc7c2f BB |
136 | } zfs_help_t; |
137 | ||
138 | typedef struct zfs_command { | |
139 | const char *name; | |
140 | int (*func)(int argc, char **argv); | |
141 | zfs_help_t usage; | |
142 | } zfs_command_t; | |
143 | ||
144 | /* | |
145 | * Master command table. Each ZFS command has a name, associated function, and | |
146 | * usage message. The usage messages need to be internationalized, so we have | |
147 | * to have a function to return the usage message based on a command index. | |
148 | * | |
149 | * These commands are organized according to how they are displayed in the usage | |
150 | * message. An empty command (one with a NULL name) indicates an empty line in | |
151 | * the generic usage message. | |
152 | */ | |
153 | static zfs_command_t command_table[] = { | |
154 | { "create", zfs_do_create, HELP_CREATE }, | |
155 | { "destroy", zfs_do_destroy, HELP_DESTROY }, | |
156 | { NULL }, | |
157 | { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT }, | |
158 | { "rollback", zfs_do_rollback, HELP_ROLLBACK }, | |
159 | { "clone", zfs_do_clone, HELP_CLONE }, | |
160 | { "promote", zfs_do_promote, HELP_PROMOTE }, | |
161 | { "rename", zfs_do_rename, HELP_RENAME }, | |
162 | { NULL }, | |
163 | { "list", zfs_do_list, HELP_LIST }, | |
164 | { NULL }, | |
165 | { "set", zfs_do_set, HELP_SET }, | |
428870ff | 166 | { "get", zfs_do_get, HELP_GET }, |
34dc7c2f BB |
167 | { "inherit", zfs_do_inherit, HELP_INHERIT }, |
168 | { "upgrade", zfs_do_upgrade, HELP_UPGRADE }, | |
9babb374 BB |
169 | { "userspace", zfs_do_userspace, HELP_USERSPACE }, |
170 | { "groupspace", zfs_do_userspace, HELP_GROUPSPACE }, | |
34dc7c2f BB |
171 | { NULL }, |
172 | { "mount", zfs_do_mount, HELP_MOUNT }, | |
173 | { "unmount", zfs_do_unmount, HELP_UNMOUNT }, | |
174 | { "share", zfs_do_share, HELP_SHARE }, | |
175 | { "unshare", zfs_do_unshare, HELP_UNSHARE }, | |
176 | { NULL }, | |
177 | { "send", zfs_do_send, HELP_SEND }, | |
178 | { "receive", zfs_do_receive, HELP_RECEIVE }, | |
179 | { NULL }, | |
9babb374 | 180 | { "allow", zfs_do_python, HELP_ALLOW }, |
34dc7c2f | 181 | { NULL }, |
9babb374 | 182 | { "unallow", zfs_do_python, HELP_UNALLOW }, |
45d1cae3 BB |
183 | { NULL }, |
184 | { "hold", zfs_do_hold, HELP_HOLD }, | |
185 | { "holds", zfs_do_python, HELP_HOLDS }, | |
186 | { "release", zfs_do_release, HELP_RELEASE }, | |
572e2857 | 187 | { "diff", zfs_do_diff, HELP_DIFF }, |
34dc7c2f BB |
188 | }; |
189 | ||
190 | #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) | |
191 | ||
192 | zfs_command_t *current_command; | |
193 | ||
194 | static const char * | |
195 | get_usage(zfs_help_t idx) | |
196 | { | |
197 | switch (idx) { | |
198 | case HELP_CLONE: | |
b128c09f BB |
199 | return (gettext("\tclone [-p] [-o property=value] ... " |
200 | "<snapshot> <filesystem|volume>\n")); | |
34dc7c2f BB |
201 | case HELP_CREATE: |
202 | return (gettext("\tcreate [-p] [-o property=value] ... " | |
203 | "<filesystem>\n" | |
204 | "\tcreate [-ps] [-b blocksize] [-o property=value] ... " | |
205 | "-V <size> <volume>\n")); | |
206 | case HELP_DESTROY: | |
428870ff BB |
207 | return (gettext("\tdestroy [-rRf] <filesystem|volume>\n" |
208 | "\tdestroy [-rRd] <snapshot>\n")); | |
34dc7c2f | 209 | case HELP_GET: |
9babb374 | 210 | return (gettext("\tget [-rHp] [-d max] " |
428870ff | 211 | "[-o \"all\" | field[,...]] [-s source[,...]]\n" |
34dc7c2f BB |
212 | "\t <\"all\" | property[,...]> " |
213 | "[filesystem|volume|snapshot] ...\n")); | |
214 | case HELP_INHERIT: | |
428870ff | 215 | return (gettext("\tinherit [-rS] <property> " |
b128c09f | 216 | "<filesystem|volume|snapshot> ...\n")); |
34dc7c2f BB |
217 | case HELP_UPGRADE: |
218 | return (gettext("\tupgrade [-v]\n" | |
219 | "\tupgrade [-r] [-V version] <-a | filesystem ...>\n")); | |
220 | case HELP_LIST: | |
9babb374 BB |
221 | return (gettext("\tlist [-rH][-d max] " |
222 | "[-o property[,...]] [-t type[,...]] [-s property] ...\n" | |
34dc7c2f BB |
223 | "\t [-S property] ... " |
224 | "[filesystem|volume|snapshot] ...\n")); | |
225 | case HELP_MOUNT: | |
226 | return (gettext("\tmount\n" | |
227 | "\tmount [-vO] [-o opts] <-a | filesystem>\n")); | |
228 | case HELP_PROMOTE: | |
229 | return (gettext("\tpromote <clone-filesystem>\n")); | |
230 | case HELP_RECEIVE: | |
428870ff | 231 | return (gettext("\treceive [-vnFu] <filesystem|volume|" |
34dc7c2f | 232 | "snapshot>\n" |
428870ff | 233 | "\treceive [-vnFu] [-d | -e] <filesystem>\n")); |
34dc7c2f BB |
234 | case HELP_RENAME: |
235 | return (gettext("\trename <filesystem|volume|snapshot> " | |
236 | "<filesystem|volume|snapshot>\n" | |
237 | "\trename -p <filesystem|volume> <filesystem|volume>\n" | |
238 | "\trename -r <snapshot> <snapshot>")); | |
239 | case HELP_ROLLBACK: | |
240 | return (gettext("\trollback [-rRf] <snapshot>\n")); | |
241 | case HELP_SEND: | |
e0f86c98 | 242 | return (gettext("\tsend [-vRDp] [-[iI] snapshot] <snapshot>\n")); |
34dc7c2f BB |
243 | case HELP_SET: |
244 | return (gettext("\tset <property=value> " | |
b128c09f | 245 | "<filesystem|volume|snapshot> ...\n")); |
34dc7c2f BB |
246 | case HELP_SHARE: |
247 | return (gettext("\tshare <-a | filesystem>\n")); | |
248 | case HELP_SNAPSHOT: | |
b128c09f | 249 | return (gettext("\tsnapshot [-r] [-o property=value] ... " |
34dc7c2f BB |
250 | "<filesystem@snapname|volume@snapname>\n")); |
251 | case HELP_UNMOUNT: | |
252 | return (gettext("\tunmount [-f] " | |
253 | "<-a | filesystem|mountpoint>\n")); | |
254 | case HELP_UNSHARE: | |
45d1cae3 | 255 | return (gettext("\tunshare " |
34dc7c2f BB |
256 | "<-a | filesystem|mountpoint>\n")); |
257 | case HELP_ALLOW: | |
9babb374 BB |
258 | return (gettext("\tallow <filesystem|volume>\n" |
259 | "\tallow [-ldug] " | |
34dc7c2f BB |
260 | "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n" |
261 | "\t <filesystem|volume>\n" | |
262 | "\tallow [-ld] -e <perm|@setname>[,...] " | |
263 | "<filesystem|volume>\n" | |
264 | "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n" | |
265 | "\tallow -s @setname <perm|@setname>[,...] " | |
266 | "<filesystem|volume>\n")); | |
267 | case HELP_UNALLOW: | |
268 | return (gettext("\tunallow [-rldug] " | |
269 | "<\"everyone\"|user|group>[,...]\n" | |
270 | "\t [<perm|@setname>[,...]] <filesystem|volume>\n" | |
271 | "\tunallow [-rld] -e [<perm|@setname>[,...]] " | |
272 | "<filesystem|volume>\n" | |
273 | "\tunallow [-r] -c [<perm|@setname>[,...]] " | |
274 | "<filesystem|volume>\n" | |
275 | "\tunallow [-r] -s @setname [<perm|@setname>[,...]] " | |
276 | "<filesystem|volume>\n")); | |
9babb374 BB |
277 | case HELP_USERSPACE: |
278 | return (gettext("\tuserspace [-hniHp] [-o field[,...]] " | |
279 | "[-sS field] ... [-t type[,...]]\n" | |
280 | "\t <filesystem|snapshot>\n")); | |
281 | case HELP_GROUPSPACE: | |
282 | return (gettext("\tgroupspace [-hniHpU] [-o field[,...]] " | |
283 | "[-sS field] ... [-t type[,...]]\n" | |
284 | "\t <filesystem|snapshot>\n")); | |
45d1cae3 BB |
285 | case HELP_HOLD: |
286 | return (gettext("\thold [-r] <tag> <snapshot> ...\n")); | |
287 | case HELP_HOLDS: | |
288 | return (gettext("\tholds [-r] <snapshot> ...\n")); | |
289 | case HELP_RELEASE: | |
290 | return (gettext("\trelease [-r] <tag> <snapshot> ...\n")); | |
572e2857 BB |
291 | case HELP_DIFF: |
292 | return (gettext("\tdiff [-FHt] <snapshot> " | |
293 | "[snapshot|filesystem]\n")); | |
34dc7c2f BB |
294 | } |
295 | ||
296 | abort(); | |
297 | /* NOTREACHED */ | |
298 | } | |
299 | ||
428870ff BB |
300 | void |
301 | nomem(void) | |
302 | { | |
303 | (void) fprintf(stderr, gettext("internal error: out of memory\n")); | |
304 | exit(1); | |
305 | } | |
306 | ||
34dc7c2f BB |
307 | /* |
308 | * Utility function to guarantee malloc() success. | |
309 | */ | |
428870ff | 310 | |
34dc7c2f BB |
311 | void * |
312 | safe_malloc(size_t size) | |
313 | { | |
314 | void *data; | |
315 | ||
428870ff BB |
316 | if ((data = calloc(1, size)) == NULL) |
317 | nomem(); | |
34dc7c2f BB |
318 | |
319 | return (data); | |
320 | } | |
321 | ||
428870ff BB |
322 | static char * |
323 | safe_strdup(char *str) | |
324 | { | |
325 | char *dupstr = strdup(str); | |
326 | ||
327 | if (dupstr == NULL) | |
328 | nomem(); | |
329 | ||
330 | return (dupstr); | |
331 | } | |
332 | ||
34dc7c2f BB |
333 | /* |
334 | * Callback routine that will print out information for each of | |
335 | * the properties. | |
336 | */ | |
337 | static int | |
338 | usage_prop_cb(int prop, void *cb) | |
339 | { | |
340 | FILE *fp = cb; | |
341 | ||
b128c09f | 342 | (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop)); |
34dc7c2f | 343 | |
b128c09f BB |
344 | if (zfs_prop_readonly(prop)) |
345 | (void) fprintf(fp, " NO "); | |
34dc7c2f | 346 | else |
b128c09f | 347 | (void) fprintf(fp, "YES "); |
34dc7c2f BB |
348 | |
349 | if (zfs_prop_inheritable(prop)) | |
350 | (void) fprintf(fp, " YES "); | |
351 | else | |
352 | (void) fprintf(fp, " NO "); | |
353 | ||
354 | if (zfs_prop_values(prop) == NULL) | |
355 | (void) fprintf(fp, "-\n"); | |
356 | else | |
357 | (void) fprintf(fp, "%s\n", zfs_prop_values(prop)); | |
358 | ||
359 | return (ZPROP_CONT); | |
360 | } | |
361 | ||
362 | /* | |
363 | * Display usage message. If we're inside a command, display only the usage for | |
364 | * that command. Otherwise, iterate over the entire command table and display | |
365 | * a complete usage message. | |
366 | */ | |
367 | static void | |
368 | usage(boolean_t requested) | |
369 | { | |
370 | int i; | |
371 | boolean_t show_properties = B_FALSE; | |
34dc7c2f BB |
372 | FILE *fp = requested ? stdout : stderr; |
373 | ||
374 | if (current_command == NULL) { | |
375 | ||
376 | (void) fprintf(fp, gettext("usage: zfs command args ...\n")); | |
377 | (void) fprintf(fp, | |
378 | gettext("where 'command' is one of the following:\n\n")); | |
379 | ||
380 | for (i = 0; i < NCOMMAND; i++) { | |
381 | if (command_table[i].name == NULL) | |
382 | (void) fprintf(fp, "\n"); | |
383 | else | |
384 | (void) fprintf(fp, "%s", | |
385 | get_usage(command_table[i].usage)); | |
386 | } | |
387 | ||
388 | (void) fprintf(fp, gettext("\nEach dataset is of the form: " | |
389 | "pool/[dataset/]*dataset[@name]\n")); | |
390 | } else { | |
391 | (void) fprintf(fp, gettext("usage:\n")); | |
392 | (void) fprintf(fp, "%s", get_usage(current_command->usage)); | |
393 | } | |
394 | ||
395 | if (current_command != NULL && | |
396 | (strcmp(current_command->name, "set") == 0 || | |
397 | strcmp(current_command->name, "get") == 0 || | |
398 | strcmp(current_command->name, "inherit") == 0 || | |
399 | strcmp(current_command->name, "list") == 0)) | |
400 | show_properties = B_TRUE; | |
401 | ||
34dc7c2f | 402 | if (show_properties) { |
34dc7c2f BB |
403 | (void) fprintf(fp, |
404 | gettext("\nThe following properties are supported:\n")); | |
405 | ||
406 | (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n", | |
407 | "PROPERTY", "EDIT", "INHERIT", "VALUES"); | |
408 | ||
409 | /* Iterate over all properties */ | |
410 | (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE, | |
411 | ZFS_TYPE_DATASET); | |
412 | ||
9babb374 BB |
413 | (void) fprintf(fp, "\t%-15s ", "userused@..."); |
414 | (void) fprintf(fp, " NO NO <size>\n"); | |
415 | (void) fprintf(fp, "\t%-15s ", "groupused@..."); | |
416 | (void) fprintf(fp, " NO NO <size>\n"); | |
417 | (void) fprintf(fp, "\t%-15s ", "userquota@..."); | |
418 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
419 | (void) fprintf(fp, "\t%-15s ", "groupquota@..."); | |
420 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
421 | ||
34dc7c2f BB |
422 | (void) fprintf(fp, gettext("\nSizes are specified in bytes " |
423 | "with standard units such as K, M, G, etc.\n")); | |
b128c09f | 424 | (void) fprintf(fp, gettext("\nUser-defined properties can " |
34dc7c2f | 425 | "be specified by using a name containing a colon (:).\n")); |
9babb374 BB |
426 | (void) fprintf(fp, gettext("\nThe {user|group}{used|quota}@ " |
427 | "properties must be appended with\n" | |
428 | "a user or group specifier of one of these forms:\n" | |
429 | " POSIX name (eg: \"matt\")\n" | |
430 | " POSIX id (eg: \"126829\")\n" | |
431 | " SMB name@domain (eg: \"matt@sun\")\n" | |
432 | " SMB SID (eg: \"S-1-234-567-89\")\n")); | |
34dc7c2f | 433 | } else { |
34dc7c2f | 434 | (void) fprintf(fp, |
fb5f0bc8 BB |
435 | gettext("\nFor the property list, run: %s\n"), |
436 | "zfs set|get"); | |
34dc7c2f | 437 | (void) fprintf(fp, |
fb5f0bc8 BB |
438 | gettext("\nFor the delegated permission list, run: %s\n"), |
439 | "zfs allow|unallow"); | |
34dc7c2f BB |
440 | } |
441 | ||
442 | /* | |
443 | * See comments at end of main(). | |
444 | */ | |
445 | if (getenv("ZFS_ABORT") != NULL) { | |
446 | (void) printf("dumping core by request\n"); | |
447 | abort(); | |
448 | } | |
449 | ||
450 | exit(requested ? 0 : 2); | |
451 | } | |
452 | ||
b128c09f BB |
453 | static int |
454 | parseprop(nvlist_t *props) | |
455 | { | |
456 | char *propname = optarg; | |
457 | char *propval, *strval; | |
458 | ||
459 | if ((propval = strchr(propname, '=')) == NULL) { | |
460 | (void) fprintf(stderr, gettext("missing " | |
461 | "'=' for -o option\n")); | |
462 | return (-1); | |
463 | } | |
464 | *propval = '\0'; | |
465 | propval++; | |
466 | if (nvlist_lookup_string(props, propname, &strval) == 0) { | |
467 | (void) fprintf(stderr, gettext("property '%s' " | |
468 | "specified multiple times\n"), propname); | |
469 | return (-1); | |
470 | } | |
428870ff BB |
471 | if (nvlist_add_string(props, propname, propval) != 0) |
472 | nomem(); | |
b128c09f | 473 | return (0); |
b128c09f BB |
474 | } |
475 | ||
9babb374 BB |
476 | static int |
477 | parse_depth(char *opt, int *flags) | |
478 | { | |
479 | char *tmp; | |
480 | int depth; | |
481 | ||
482 | depth = (int)strtol(opt, &tmp, 0); | |
483 | if (*tmp) { | |
484 | (void) fprintf(stderr, | |
485 | gettext("%s is not an integer\n"), optarg); | |
486 | usage(B_FALSE); | |
487 | } | |
488 | if (depth < 0) { | |
489 | (void) fprintf(stderr, | |
490 | gettext("Depth can not be negative.\n")); | |
491 | usage(B_FALSE); | |
492 | } | |
493 | *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE); | |
494 | return (depth); | |
495 | } | |
496 | ||
428870ff BB |
497 | #define PROGRESS_DELAY 2 /* seconds */ |
498 | ||
499 | static char *pt_reverse = "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"; | |
500 | static time_t pt_begin; | |
501 | static char *pt_header = NULL; | |
502 | static boolean_t pt_shown; | |
503 | ||
504 | static void | |
505 | start_progress_timer(void) | |
506 | { | |
507 | pt_begin = time(NULL) + PROGRESS_DELAY; | |
508 | pt_shown = B_FALSE; | |
509 | } | |
510 | ||
511 | static void | |
512 | set_progress_header(char *header) | |
513 | { | |
514 | assert(pt_header == NULL); | |
515 | pt_header = safe_strdup(header); | |
516 | if (pt_shown) { | |
517 | (void) printf("%s: ", header); | |
518 | (void) fflush(stdout); | |
519 | } | |
520 | } | |
521 | ||
522 | static void | |
523 | update_progress(char *update) | |
524 | { | |
525 | if (!pt_shown && time(NULL) > pt_begin) { | |
526 | int len = strlen(update); | |
527 | ||
528 | (void) printf("%s: %s%*.*s", pt_header, update, len, len, | |
529 | pt_reverse); | |
530 | (void) fflush(stdout); | |
531 | pt_shown = B_TRUE; | |
532 | } else if (pt_shown) { | |
533 | int len = strlen(update); | |
534 | ||
535 | (void) printf("%s%*.*s", update, len, len, pt_reverse); | |
536 | (void) fflush(stdout); | |
537 | } | |
538 | } | |
539 | ||
540 | static void | |
541 | finish_progress(char *done) | |
542 | { | |
543 | if (pt_shown) { | |
544 | (void) printf("%s\n", done); | |
545 | (void) fflush(stdout); | |
546 | } | |
547 | free(pt_header); | |
548 | pt_header = NULL; | |
549 | } | |
d603ed6c | 550 | |
34dc7c2f | 551 | /* |
b128c09f | 552 | * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol> |
34dc7c2f BB |
553 | * |
554 | * Given an existing dataset, create a writable copy whose initial contents | |
555 | * are the same as the source. The newly created dataset maintains a | |
556 | * dependency on the original; the original cannot be destroyed so long as | |
557 | * the clone exists. | |
558 | * | |
559 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
560 | */ | |
561 | static int | |
562 | zfs_do_clone(int argc, char **argv) | |
563 | { | |
b128c09f | 564 | zfs_handle_t *zhp = NULL; |
34dc7c2f | 565 | boolean_t parents = B_FALSE; |
b128c09f | 566 | nvlist_t *props; |
34dc7c2f BB |
567 | int ret; |
568 | int c; | |
569 | ||
428870ff BB |
570 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) |
571 | nomem(); | |
b128c09f | 572 | |
34dc7c2f | 573 | /* check options */ |
b128c09f | 574 | while ((c = getopt(argc, argv, "o:p")) != -1) { |
34dc7c2f | 575 | switch (c) { |
b128c09f BB |
576 | case 'o': |
577 | if (parseprop(props)) | |
578 | return (1); | |
579 | break; | |
34dc7c2f BB |
580 | case 'p': |
581 | parents = B_TRUE; | |
582 | break; | |
583 | case '?': | |
584 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
585 | optopt); | |
b128c09f | 586 | goto usage; |
34dc7c2f BB |
587 | } |
588 | } | |
589 | ||
590 | argc -= optind; | |
591 | argv += optind; | |
592 | ||
593 | /* check number of arguments */ | |
594 | if (argc < 1) { | |
595 | (void) fprintf(stderr, gettext("missing source dataset " | |
596 | "argument\n")); | |
b128c09f | 597 | goto usage; |
34dc7c2f BB |
598 | } |
599 | if (argc < 2) { | |
600 | (void) fprintf(stderr, gettext("missing target dataset " | |
601 | "argument\n")); | |
b128c09f | 602 | goto usage; |
34dc7c2f BB |
603 | } |
604 | if (argc > 2) { | |
605 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
b128c09f | 606 | goto usage; |
34dc7c2f BB |
607 | } |
608 | ||
609 | /* open the source dataset */ | |
610 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) | |
611 | return (1); | |
612 | ||
613 | if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM | | |
614 | ZFS_TYPE_VOLUME)) { | |
615 | /* | |
616 | * Now create the ancestors of the target dataset. If the | |
617 | * target already exists and '-p' option was used we should not | |
618 | * complain. | |
619 | */ | |
620 | if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | | |
621 | ZFS_TYPE_VOLUME)) | |
622 | return (0); | |
623 | if (zfs_create_ancestors(g_zfs, argv[1]) != 0) | |
624 | return (1); | |
625 | } | |
626 | ||
627 | /* pass to libzfs */ | |
b128c09f | 628 | ret = zfs_clone(zhp, argv[1], props); |
34dc7c2f BB |
629 | |
630 | /* create the mountpoint if necessary */ | |
631 | if (ret == 0) { | |
632 | zfs_handle_t *clone; | |
633 | ||
634 | clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET); | |
635 | if (clone != NULL) { | |
572e2857 BB |
636 | if (zfs_get_type(clone) != ZFS_TYPE_VOLUME) |
637 | if ((ret = zfs_mount(clone, NULL, 0)) == 0) | |
638 | ret = zfs_share(clone); | |
34dc7c2f BB |
639 | zfs_close(clone); |
640 | } | |
641 | } | |
642 | ||
643 | zfs_close(zhp); | |
b128c09f | 644 | nvlist_free(props); |
34dc7c2f | 645 | |
b128c09f BB |
646 | return (!!ret); |
647 | ||
648 | usage: | |
649 | if (zhp) | |
650 | zfs_close(zhp); | |
651 | nvlist_free(props); | |
652 | usage(B_FALSE); | |
653 | return (-1); | |
34dc7c2f BB |
654 | } |
655 | ||
656 | /* | |
657 | * zfs create [-p] [-o prop=value] ... fs | |
658 | * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size | |
659 | * | |
660 | * Create a new dataset. This command can be used to create filesystems | |
661 | * and volumes. Snapshot creation is handled by 'zfs snapshot'. | |
662 | * For volumes, the user must specify a size to be used. | |
663 | * | |
664 | * The '-s' flag applies only to volumes, and indicates that we should not try | |
665 | * to set the reservation for this volume. By default we set a reservation | |
666 | * equal to the size for any volume. For pools with SPA_VERSION >= | |
667 | * SPA_VERSION_REFRESERVATION, we set a refreservation instead. | |
668 | * | |
669 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
670 | */ | |
671 | static int | |
672 | zfs_do_create(int argc, char **argv) | |
673 | { | |
674 | zfs_type_t type = ZFS_TYPE_FILESYSTEM; | |
675 | zfs_handle_t *zhp = NULL; | |
d4ed6673 | 676 | uint64_t volsize = 0; |
34dc7c2f BB |
677 | int c; |
678 | boolean_t noreserve = B_FALSE; | |
679 | boolean_t bflag = B_FALSE; | |
680 | boolean_t parents = B_FALSE; | |
681 | int ret = 1; | |
b128c09f | 682 | nvlist_t *props; |
34dc7c2f | 683 | uint64_t intval; |
572e2857 | 684 | int canmount = ZFS_CANMOUNT_OFF; |
34dc7c2f | 685 | |
428870ff BB |
686 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) |
687 | nomem(); | |
34dc7c2f BB |
688 | |
689 | /* check options */ | |
690 | while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) { | |
691 | switch (c) { | |
692 | case 'V': | |
693 | type = ZFS_TYPE_VOLUME; | |
694 | if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { | |
695 | (void) fprintf(stderr, gettext("bad volume " | |
696 | "size '%s': %s\n"), optarg, | |
697 | libzfs_error_description(g_zfs)); | |
698 | goto error; | |
699 | } | |
700 | ||
701 | if (nvlist_add_uint64(props, | |
428870ff BB |
702 | zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0) |
703 | nomem(); | |
34dc7c2f BB |
704 | volsize = intval; |
705 | break; | |
706 | case 'p': | |
707 | parents = B_TRUE; | |
708 | break; | |
709 | case 'b': | |
710 | bflag = B_TRUE; | |
711 | if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { | |
712 | (void) fprintf(stderr, gettext("bad volume " | |
713 | "block size '%s': %s\n"), optarg, | |
714 | libzfs_error_description(g_zfs)); | |
715 | goto error; | |
716 | } | |
717 | ||
718 | if (nvlist_add_uint64(props, | |
719 | zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
428870ff BB |
720 | intval) != 0) |
721 | nomem(); | |
34dc7c2f BB |
722 | break; |
723 | case 'o': | |
b128c09f | 724 | if (parseprop(props)) |
34dc7c2f | 725 | goto error; |
34dc7c2f BB |
726 | break; |
727 | case 's': | |
728 | noreserve = B_TRUE; | |
729 | break; | |
730 | case ':': | |
731 | (void) fprintf(stderr, gettext("missing size " | |
732 | "argument\n")); | |
733 | goto badusage; | |
734 | break; | |
735 | case '?': | |
736 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
737 | optopt); | |
738 | goto badusage; | |
739 | } | |
740 | } | |
741 | ||
742 | if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) { | |
743 | (void) fprintf(stderr, gettext("'-s' and '-b' can only be " | |
744 | "used when creating a volume\n")); | |
745 | goto badusage; | |
746 | } | |
747 | ||
748 | argc -= optind; | |
749 | argv += optind; | |
750 | ||
751 | /* check number of arguments */ | |
752 | if (argc == 0) { | |
753 | (void) fprintf(stderr, gettext("missing %s argument\n"), | |
754 | zfs_type_to_name(type)); | |
755 | goto badusage; | |
756 | } | |
757 | if (argc > 1) { | |
758 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
759 | goto badusage; | |
760 | } | |
761 | ||
762 | if (type == ZFS_TYPE_VOLUME && !noreserve) { | |
763 | zpool_handle_t *zpool_handle; | |
764 | uint64_t spa_version; | |
765 | char *p; | |
766 | zfs_prop_t resv_prop; | |
b128c09f | 767 | char *strval; |
34dc7c2f | 768 | |
c65aa5b2 | 769 | if ((p = strchr(argv[0], '/'))) |
34dc7c2f BB |
770 | *p = '\0'; |
771 | zpool_handle = zpool_open(g_zfs, argv[0]); | |
772 | if (p != NULL) | |
773 | *p = '/'; | |
774 | if (zpool_handle == NULL) | |
775 | goto error; | |
776 | spa_version = zpool_get_prop_int(zpool_handle, | |
777 | ZPOOL_PROP_VERSION, NULL); | |
778 | zpool_close(zpool_handle); | |
779 | if (spa_version >= SPA_VERSION_REFRESERVATION) | |
780 | resv_prop = ZFS_PROP_REFRESERVATION; | |
781 | else | |
782 | resv_prop = ZFS_PROP_RESERVATION; | |
428870ff | 783 | volsize = zvol_volsize_to_reservation(volsize, props); |
34dc7c2f BB |
784 | |
785 | if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop), | |
786 | &strval) != 0) { | |
787 | if (nvlist_add_uint64(props, | |
788 | zfs_prop_to_name(resv_prop), volsize) != 0) { | |
34dc7c2f | 789 | nvlist_free(props); |
428870ff | 790 | nomem(); |
34dc7c2f BB |
791 | } |
792 | } | |
793 | } | |
794 | ||
795 | if (parents && zfs_name_valid(argv[0], type)) { | |
796 | /* | |
797 | * Now create the ancestors of target dataset. If the target | |
798 | * already exists and '-p' option was used we should not | |
799 | * complain. | |
800 | */ | |
801 | if (zfs_dataset_exists(g_zfs, argv[0], type)) { | |
802 | ret = 0; | |
803 | goto error; | |
804 | } | |
805 | if (zfs_create_ancestors(g_zfs, argv[0]) != 0) | |
806 | goto error; | |
807 | } | |
808 | ||
809 | /* pass to libzfs */ | |
810 | if (zfs_create(g_zfs, argv[0], type, props) != 0) | |
811 | goto error; | |
812 | ||
813 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) | |
814 | goto error; | |
572e2857 BB |
815 | |
816 | ret = 0; | |
34dc7c2f BB |
817 | /* |
818 | * if the user doesn't want the dataset automatically mounted, | |
819 | * then skip the mount/share step | |
820 | */ | |
572e2857 BB |
821 | if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type)) |
822 | canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); | |
34dc7c2f BB |
823 | |
824 | /* | |
825 | * Mount and/or share the new filesystem as appropriate. We provide a | |
826 | * verbose error message to let the user know that their filesystem was | |
827 | * in fact created, even if we failed to mount or share it. | |
828 | */ | |
34dc7c2f BB |
829 | if (canmount == ZFS_CANMOUNT_ON) { |
830 | if (zfs_mount(zhp, NULL, 0) != 0) { | |
831 | (void) fprintf(stderr, gettext("filesystem " | |
832 | "successfully created, but not mounted\n")); | |
833 | ret = 1; | |
834 | } else if (zfs_share(zhp) != 0) { | |
835 | (void) fprintf(stderr, gettext("filesystem " | |
836 | "successfully created, but not shared\n")); | |
837 | ret = 1; | |
838 | } | |
839 | } | |
840 | ||
841 | error: | |
842 | if (zhp) | |
843 | zfs_close(zhp); | |
844 | nvlist_free(props); | |
845 | return (ret); | |
846 | badusage: | |
847 | nvlist_free(props); | |
848 | usage(B_FALSE); | |
849 | return (2); | |
850 | } | |
851 | ||
852 | /* | |
428870ff BB |
853 | * zfs destroy [-rRf] <fs, vol> |
854 | * zfs destroy [-rRd] <snap> | |
34dc7c2f | 855 | * |
428870ff BB |
856 | * -r Recursively destroy all children |
857 | * -R Recursively destroy all dependents, including clones | |
858 | * -f Force unmounting of any dependents | |
45d1cae3 | 859 | * -d If we can't destroy now, mark for deferred destruction |
34dc7c2f BB |
860 | * |
861 | * Destroys the given dataset. By default, it will unmount any filesystems, | |
862 | * and refuse to destroy a dataset that has any dependents. A dependent can | |
863 | * either be a child, or a clone of a child. | |
864 | */ | |
865 | typedef struct destroy_cbdata { | |
866 | boolean_t cb_first; | |
867 | int cb_force; | |
868 | int cb_recurse; | |
869 | int cb_error; | |
870 | int cb_needforce; | |
871 | int cb_doclones; | |
872 | boolean_t cb_closezhp; | |
873 | zfs_handle_t *cb_target; | |
874 | char *cb_snapname; | |
45d1cae3 | 875 | boolean_t cb_defer_destroy; |
34dc7c2f BB |
876 | } destroy_cbdata_t; |
877 | ||
878 | /* | |
879 | * Check for any dependents based on the '-r' or '-R' flags. | |
880 | */ | |
881 | static int | |
882 | destroy_check_dependent(zfs_handle_t *zhp, void *data) | |
883 | { | |
884 | destroy_cbdata_t *cbp = data; | |
885 | const char *tname = zfs_get_name(cbp->cb_target); | |
886 | const char *name = zfs_get_name(zhp); | |
887 | ||
888 | if (strncmp(tname, name, strlen(tname)) == 0 && | |
889 | (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) { | |
890 | /* | |
891 | * This is a direct descendant, not a clone somewhere else in | |
892 | * the hierarchy. | |
893 | */ | |
894 | if (cbp->cb_recurse) | |
895 | goto out; | |
896 | ||
897 | if (cbp->cb_first) { | |
898 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
899 | "%s has children\n"), | |
900 | zfs_get_name(cbp->cb_target), | |
901 | zfs_type_to_name(zfs_get_type(cbp->cb_target))); | |
902 | (void) fprintf(stderr, gettext("use '-r' to destroy " | |
903 | "the following datasets:\n")); | |
904 | cbp->cb_first = B_FALSE; | |
905 | cbp->cb_error = 1; | |
906 | } | |
907 | ||
908 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
909 | } else { | |
910 | /* | |
911 | * This is a clone. We only want to report this if the '-r' | |
912 | * wasn't specified, or the target is a snapshot. | |
913 | */ | |
914 | if (!cbp->cb_recurse && | |
915 | zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT) | |
916 | goto out; | |
917 | ||
918 | if (cbp->cb_first) { | |
919 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
920 | "%s has dependent clones\n"), | |
921 | zfs_get_name(cbp->cb_target), | |
922 | zfs_type_to_name(zfs_get_type(cbp->cb_target))); | |
923 | (void) fprintf(stderr, gettext("use '-R' to destroy " | |
924 | "the following datasets:\n")); | |
925 | cbp->cb_first = B_FALSE; | |
926 | cbp->cb_error = 1; | |
927 | } | |
928 | ||
929 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
930 | } | |
931 | ||
932 | out: | |
933 | zfs_close(zhp); | |
934 | return (0); | |
935 | } | |
936 | ||
937 | static int | |
938 | destroy_callback(zfs_handle_t *zhp, void *data) | |
939 | { | |
940 | destroy_cbdata_t *cbp = data; | |
941 | ||
942 | /* | |
943 | * Ignore pools (which we've already flagged as an error before getting | |
428870ff | 944 | * here). |
34dc7c2f BB |
945 | */ |
946 | if (strchr(zfs_get_name(zhp), '/') == NULL && | |
947 | zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { | |
948 | zfs_close(zhp); | |
949 | return (0); | |
950 | } | |
951 | ||
952 | /* | |
953 | * Bail out on the first error. | |
954 | */ | |
955 | if (zfs_unmount(zhp, NULL, cbp->cb_force ? MS_FORCE : 0) != 0 || | |
45d1cae3 | 956 | zfs_destroy(zhp, cbp->cb_defer_destroy) != 0) { |
34dc7c2f BB |
957 | zfs_close(zhp); |
958 | return (-1); | |
959 | } | |
960 | ||
961 | zfs_close(zhp); | |
962 | return (0); | |
963 | } | |
964 | ||
965 | static int | |
966 | destroy_snap_clones(zfs_handle_t *zhp, void *arg) | |
967 | { | |
968 | destroy_cbdata_t *cbp = arg; | |
969 | char thissnap[MAXPATHLEN]; | |
970 | zfs_handle_t *szhp; | |
971 | boolean_t closezhp = cbp->cb_closezhp; | |
972 | int rv; | |
973 | ||
974 | (void) snprintf(thissnap, sizeof (thissnap), | |
975 | "%s@%s", zfs_get_name(zhp), cbp->cb_snapname); | |
976 | ||
977 | libzfs_print_on_error(g_zfs, B_FALSE); | |
978 | szhp = zfs_open(g_zfs, thissnap, ZFS_TYPE_SNAPSHOT); | |
979 | libzfs_print_on_error(g_zfs, B_TRUE); | |
980 | if (szhp) { | |
981 | /* | |
982 | * Destroy any clones of this snapshot | |
983 | */ | |
984 | if (zfs_iter_dependents(szhp, B_FALSE, destroy_callback, | |
985 | cbp) != 0) { | |
986 | zfs_close(szhp); | |
987 | if (closezhp) | |
988 | zfs_close(zhp); | |
989 | return (-1); | |
990 | } | |
991 | zfs_close(szhp); | |
992 | } | |
993 | ||
994 | cbp->cb_closezhp = B_TRUE; | |
995 | rv = zfs_iter_filesystems(zhp, destroy_snap_clones, arg); | |
996 | if (closezhp) | |
997 | zfs_close(zhp); | |
998 | return (rv); | |
999 | } | |
1000 | ||
1001 | static int | |
1002 | zfs_do_destroy(int argc, char **argv) | |
1003 | { | |
1004 | destroy_cbdata_t cb = { 0 }; | |
1005 | int c; | |
1006 | zfs_handle_t *zhp; | |
1007 | char *cp; | |
428870ff | 1008 | zfs_type_t type = ZFS_TYPE_DATASET; |
34dc7c2f BB |
1009 | |
1010 | /* check options */ | |
45d1cae3 | 1011 | while ((c = getopt(argc, argv, "dfrR")) != -1) { |
34dc7c2f | 1012 | switch (c) { |
45d1cae3 BB |
1013 | case 'd': |
1014 | cb.cb_defer_destroy = B_TRUE; | |
428870ff | 1015 | type = ZFS_TYPE_SNAPSHOT; |
45d1cae3 | 1016 | break; |
34dc7c2f BB |
1017 | case 'f': |
1018 | cb.cb_force = 1; | |
1019 | break; | |
1020 | case 'r': | |
1021 | cb.cb_recurse = 1; | |
1022 | break; | |
1023 | case 'R': | |
1024 | cb.cb_recurse = 1; | |
1025 | cb.cb_doclones = 1; | |
1026 | break; | |
1027 | case '?': | |
1028 | default: | |
1029 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1030 | optopt); | |
1031 | usage(B_FALSE); | |
1032 | } | |
1033 | } | |
1034 | ||
1035 | argc -= optind; | |
1036 | argv += optind; | |
1037 | ||
1038 | /* check number of arguments */ | |
1039 | if (argc == 0) { | |
1040 | (void) fprintf(stderr, gettext("missing path argument\n")); | |
1041 | usage(B_FALSE); | |
1042 | } | |
1043 | if (argc > 1) { | |
1044 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
1045 | usage(B_FALSE); | |
1046 | } | |
1047 | ||
1048 | /* | |
1049 | * If we are doing recursive destroy of a snapshot, then the | |
1050 | * named snapshot may not exist. Go straight to libzfs. | |
1051 | */ | |
1052 | if (cb.cb_recurse && (cp = strchr(argv[0], '@'))) { | |
1053 | int ret; | |
1054 | ||
1055 | *cp = '\0'; | |
1056 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) | |
1057 | return (1); | |
1058 | *cp = '@'; | |
1059 | cp++; | |
1060 | ||
1061 | if (cb.cb_doclones) { | |
428870ff BB |
1062 | boolean_t defer = cb.cb_defer_destroy; |
1063 | ||
1064 | /* | |
1065 | * Temporarily ignore the defer_destroy setting since | |
1066 | * it's not supported for clones. | |
1067 | */ | |
1068 | cb.cb_defer_destroy = B_FALSE; | |
34dc7c2f BB |
1069 | cb.cb_snapname = cp; |
1070 | if (destroy_snap_clones(zhp, &cb) != 0) { | |
1071 | zfs_close(zhp); | |
1072 | return (1); | |
1073 | } | |
428870ff | 1074 | cb.cb_defer_destroy = defer; |
34dc7c2f BB |
1075 | } |
1076 | ||
45d1cae3 | 1077 | ret = zfs_destroy_snaps(zhp, cp, cb.cb_defer_destroy); |
34dc7c2f BB |
1078 | zfs_close(zhp); |
1079 | if (ret) { | |
1080 | (void) fprintf(stderr, | |
1081 | gettext("no snapshots destroyed\n")); | |
1082 | } | |
1083 | return (ret != 0); | |
1084 | } | |
1085 | ||
34dc7c2f | 1086 | /* Open the given dataset */ |
428870ff | 1087 | if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL) |
34dc7c2f BB |
1088 | return (1); |
1089 | ||
1090 | cb.cb_target = zhp; | |
1091 | ||
1092 | /* | |
1093 | * Perform an explicit check for pools before going any further. | |
1094 | */ | |
1095 | if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL && | |
1096 | zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { | |
1097 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
1098 | "operation does not apply to pools\n"), | |
1099 | zfs_get_name(zhp)); | |
1100 | (void) fprintf(stderr, gettext("use 'zfs destroy -r " | |
1101 | "%s' to destroy all datasets in the pool\n"), | |
1102 | zfs_get_name(zhp)); | |
1103 | (void) fprintf(stderr, gettext("use 'zpool destroy %s' " | |
1104 | "to destroy the pool itself\n"), zfs_get_name(zhp)); | |
1105 | zfs_close(zhp); | |
1106 | return (1); | |
1107 | } | |
1108 | ||
1109 | /* | |
1110 | * Check for any dependents and/or clones. | |
1111 | */ | |
1112 | cb.cb_first = B_TRUE; | |
45d1cae3 | 1113 | if (!cb.cb_doclones && !cb.cb_defer_destroy && |
34dc7c2f BB |
1114 | zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent, |
1115 | &cb) != 0) { | |
1116 | zfs_close(zhp); | |
1117 | return (1); | |
1118 | } | |
1119 | ||
45d1cae3 BB |
1120 | if (cb.cb_error || (!cb.cb_defer_destroy && |
1121 | (zfs_iter_dependents(zhp, B_FALSE, destroy_callback, &cb) != 0))) { | |
34dc7c2f BB |
1122 | zfs_close(zhp); |
1123 | return (1); | |
1124 | } | |
1125 | ||
1126 | /* | |
1127 | * Do the real thing. The callback will close the handle regardless of | |
1128 | * whether it succeeds or not. | |
1129 | */ | |
1130 | ||
1131 | if (destroy_callback(zhp, &cb) != 0) | |
1132 | return (1); | |
1133 | ||
34dc7c2f BB |
1134 | return (0); |
1135 | } | |
1136 | ||
428870ff BB |
1137 | static boolean_t |
1138 | is_recvd_column(zprop_get_cbdata_t *cbp) | |
1139 | { | |
1140 | int i; | |
1141 | zfs_get_column_t col; | |
1142 | ||
1143 | for (i = 0; i < ZFS_GET_NCOLS && | |
1144 | (col = cbp->cb_columns[i]) != GET_COL_NONE; i++) | |
1145 | if (col == GET_COL_RECVD) | |
1146 | return (B_TRUE); | |
1147 | return (B_FALSE); | |
1148 | } | |
1149 | ||
34dc7c2f | 1150 | /* |
428870ff BB |
1151 | * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...] |
1152 | * < all | property[,property]... > < fs | snap | vol > ... | |
34dc7c2f BB |
1153 | * |
1154 | * -r recurse over any child datasets | |
1155 | * -H scripted mode. Headers are stripped, and fields are separated | |
1156 | * by tabs instead of spaces. | |
428870ff BB |
1157 | * -o Set of fields to display. One of "name,property,value, |
1158 | * received,source". Default is "name,property,value,source". | |
1159 | * "all" is an alias for all five. | |
34dc7c2f | 1160 | * -s Set of sources to allow. One of |
428870ff BB |
1161 | * "local,default,inherited,received,temporary,none". Default is |
1162 | * all six. | |
34dc7c2f BB |
1163 | * -p Display values in parsable (literal) format. |
1164 | * | |
1165 | * Prints properties for the given datasets. The user can control which | |
1166 | * columns to display as well as which property types to allow. | |
1167 | */ | |
1168 | ||
1169 | /* | |
1170 | * Invoked to display the properties for a single dataset. | |
1171 | */ | |
1172 | static int | |
1173 | get_callback(zfs_handle_t *zhp, void *data) | |
1174 | { | |
1175 | char buf[ZFS_MAXPROPLEN]; | |
428870ff | 1176 | char rbuf[ZFS_MAXPROPLEN]; |
34dc7c2f BB |
1177 | zprop_source_t sourcetype; |
1178 | char source[ZFS_MAXNAMELEN]; | |
1179 | zprop_get_cbdata_t *cbp = data; | |
428870ff | 1180 | nvlist_t *user_props = zfs_get_user_props(zhp); |
34dc7c2f BB |
1181 | zprop_list_t *pl = cbp->cb_proplist; |
1182 | nvlist_t *propval; | |
1183 | char *strval; | |
1184 | char *sourceval; | |
428870ff | 1185 | boolean_t received = is_recvd_column(cbp); |
34dc7c2f BB |
1186 | |
1187 | for (; pl != NULL; pl = pl->pl_next) { | |
428870ff | 1188 | char *recvdval = NULL; |
34dc7c2f BB |
1189 | /* |
1190 | * Skip the special fake placeholder. This will also skip over | |
1191 | * the name property when 'all' is specified. | |
1192 | */ | |
1193 | if (pl->pl_prop == ZFS_PROP_NAME && | |
1194 | pl == cbp->cb_proplist) | |
1195 | continue; | |
1196 | ||
1197 | if (pl->pl_prop != ZPROP_INVAL) { | |
1198 | if (zfs_prop_get(zhp, pl->pl_prop, buf, | |
1199 | sizeof (buf), &sourcetype, source, | |
1200 | sizeof (source), | |
1201 | cbp->cb_literal) != 0) { | |
1202 | if (pl->pl_all) | |
1203 | continue; | |
1204 | if (!zfs_prop_valid_for_type(pl->pl_prop, | |
1205 | ZFS_TYPE_DATASET)) { | |
1206 | (void) fprintf(stderr, | |
1207 | gettext("No such property '%s'\n"), | |
1208 | zfs_prop_to_name(pl->pl_prop)); | |
1209 | continue; | |
1210 | } | |
1211 | sourcetype = ZPROP_SRC_NONE; | |
1212 | (void) strlcpy(buf, "-", sizeof (buf)); | |
1213 | } | |
1214 | ||
428870ff BB |
1215 | if (received && (zfs_prop_get_recvd(zhp, |
1216 | zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf), | |
1217 | cbp->cb_literal) == 0)) | |
1218 | recvdval = rbuf; | |
1219 | ||
34dc7c2f BB |
1220 | zprop_print_one_property(zfs_get_name(zhp), cbp, |
1221 | zfs_prop_to_name(pl->pl_prop), | |
428870ff | 1222 | buf, sourcetype, source, recvdval); |
9babb374 BB |
1223 | } else if (zfs_prop_userquota(pl->pl_user_prop)) { |
1224 | sourcetype = ZPROP_SRC_LOCAL; | |
1225 | ||
1226 | if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, | |
1227 | buf, sizeof (buf), cbp->cb_literal) != 0) { | |
1228 | sourcetype = ZPROP_SRC_NONE; | |
1229 | (void) strlcpy(buf, "-", sizeof (buf)); | |
1230 | } | |
1231 | ||
1232 | zprop_print_one_property(zfs_get_name(zhp), cbp, | |
428870ff | 1233 | pl->pl_user_prop, buf, sourcetype, source, NULL); |
34dc7c2f | 1234 | } else { |
428870ff | 1235 | if (nvlist_lookup_nvlist(user_props, |
34dc7c2f BB |
1236 | pl->pl_user_prop, &propval) != 0) { |
1237 | if (pl->pl_all) | |
1238 | continue; | |
1239 | sourcetype = ZPROP_SRC_NONE; | |
1240 | strval = "-"; | |
1241 | } else { | |
1242 | verify(nvlist_lookup_string(propval, | |
1243 | ZPROP_VALUE, &strval) == 0); | |
1244 | verify(nvlist_lookup_string(propval, | |
1245 | ZPROP_SOURCE, &sourceval) == 0); | |
1246 | ||
1247 | if (strcmp(sourceval, | |
1248 | zfs_get_name(zhp)) == 0) { | |
1249 | sourcetype = ZPROP_SRC_LOCAL; | |
428870ff BB |
1250 | } else if (strcmp(sourceval, |
1251 | ZPROP_SOURCE_VAL_RECVD) == 0) { | |
1252 | sourcetype = ZPROP_SRC_RECEIVED; | |
34dc7c2f BB |
1253 | } else { |
1254 | sourcetype = ZPROP_SRC_INHERITED; | |
1255 | (void) strlcpy(source, | |
1256 | sourceval, sizeof (source)); | |
1257 | } | |
1258 | } | |
1259 | ||
428870ff BB |
1260 | if (received && (zfs_prop_get_recvd(zhp, |
1261 | pl->pl_user_prop, rbuf, sizeof (rbuf), | |
1262 | cbp->cb_literal) == 0)) | |
1263 | recvdval = rbuf; | |
1264 | ||
34dc7c2f BB |
1265 | zprop_print_one_property(zfs_get_name(zhp), cbp, |
1266 | pl->pl_user_prop, strval, sourcetype, | |
428870ff | 1267 | source, recvdval); |
34dc7c2f BB |
1268 | } |
1269 | } | |
1270 | ||
1271 | return (0); | |
1272 | } | |
1273 | ||
1274 | static int | |
1275 | zfs_do_get(int argc, char **argv) | |
1276 | { | |
1277 | zprop_get_cbdata_t cb = { 0 }; | |
bb939d10 | 1278 | int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS; |
34dc7c2f BB |
1279 | char *value, *fields; |
1280 | int ret; | |
9babb374 | 1281 | int limit = 0; |
34dc7c2f BB |
1282 | zprop_list_t fake_name = { 0 }; |
1283 | ||
1284 | /* | |
1285 | * Set up default columns and sources. | |
1286 | */ | |
1287 | cb.cb_sources = ZPROP_SRC_ALL; | |
1288 | cb.cb_columns[0] = GET_COL_NAME; | |
1289 | cb.cb_columns[1] = GET_COL_PROPERTY; | |
1290 | cb.cb_columns[2] = GET_COL_VALUE; | |
1291 | cb.cb_columns[3] = GET_COL_SOURCE; | |
1292 | cb.cb_type = ZFS_TYPE_DATASET; | |
1293 | ||
1294 | /* check options */ | |
9babb374 | 1295 | while ((c = getopt(argc, argv, ":d:o:s:rHp")) != -1) { |
34dc7c2f BB |
1296 | switch (c) { |
1297 | case 'p': | |
1298 | cb.cb_literal = B_TRUE; | |
1299 | break; | |
9babb374 BB |
1300 | case 'd': |
1301 | limit = parse_depth(optarg, &flags); | |
1302 | break; | |
34dc7c2f | 1303 | case 'r': |
b128c09f | 1304 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f BB |
1305 | break; |
1306 | case 'H': | |
1307 | cb.cb_scripted = B_TRUE; | |
1308 | break; | |
1309 | case ':': | |
1310 | (void) fprintf(stderr, gettext("missing argument for " | |
1311 | "'%c' option\n"), optopt); | |
1312 | usage(B_FALSE); | |
1313 | break; | |
1314 | case 'o': | |
1315 | /* | |
1316 | * Process the set of columns to display. We zero out | |
1317 | * the structure to give us a blank slate. | |
1318 | */ | |
1319 | bzero(&cb.cb_columns, sizeof (cb.cb_columns)); | |
1320 | i = 0; | |
1321 | while (*optarg != '\0') { | |
1322 | static char *col_subopts[] = | |
428870ff BB |
1323 | { "name", "property", "value", "received", |
1324 | "source", "all", NULL }; | |
34dc7c2f | 1325 | |
428870ff | 1326 | if (i == ZFS_GET_NCOLS) { |
34dc7c2f BB |
1327 | (void) fprintf(stderr, gettext("too " |
1328 | "many fields given to -o " | |
1329 | "option\n")); | |
1330 | usage(B_FALSE); | |
1331 | } | |
1332 | ||
1333 | switch (getsubopt(&optarg, col_subopts, | |
1334 | &value)) { | |
1335 | case 0: | |
1336 | cb.cb_columns[i++] = GET_COL_NAME; | |
1337 | break; | |
1338 | case 1: | |
1339 | cb.cb_columns[i++] = GET_COL_PROPERTY; | |
1340 | break; | |
1341 | case 2: | |
1342 | cb.cb_columns[i++] = GET_COL_VALUE; | |
1343 | break; | |
1344 | case 3: | |
428870ff BB |
1345 | cb.cb_columns[i++] = GET_COL_RECVD; |
1346 | flags |= ZFS_ITER_RECVD_PROPS; | |
1347 | break; | |
1348 | case 4: | |
34dc7c2f BB |
1349 | cb.cb_columns[i++] = GET_COL_SOURCE; |
1350 | break; | |
428870ff BB |
1351 | case 5: |
1352 | if (i > 0) { | |
1353 | (void) fprintf(stderr, | |
1354 | gettext("\"all\" conflicts " | |
1355 | "with specific fields " | |
1356 | "given to -o option\n")); | |
1357 | usage(B_FALSE); | |
1358 | } | |
1359 | cb.cb_columns[0] = GET_COL_NAME; | |
1360 | cb.cb_columns[1] = GET_COL_PROPERTY; | |
1361 | cb.cb_columns[2] = GET_COL_VALUE; | |
1362 | cb.cb_columns[3] = GET_COL_RECVD; | |
1363 | cb.cb_columns[4] = GET_COL_SOURCE; | |
1364 | flags |= ZFS_ITER_RECVD_PROPS; | |
1365 | i = ZFS_GET_NCOLS; | |
1366 | break; | |
34dc7c2f BB |
1367 | default: |
1368 | (void) fprintf(stderr, | |
1369 | gettext("invalid column name " | |
1370 | "'%s'\n"), value); | |
1371 | usage(B_FALSE); | |
1372 | } | |
1373 | } | |
1374 | break; | |
1375 | ||
1376 | case 's': | |
1377 | cb.cb_sources = 0; | |
1378 | while (*optarg != '\0') { | |
1379 | static char *source_subopts[] = { | |
1380 | "local", "default", "inherited", | |
428870ff BB |
1381 | "received", "temporary", "none", |
1382 | NULL }; | |
34dc7c2f BB |
1383 | |
1384 | switch (getsubopt(&optarg, source_subopts, | |
1385 | &value)) { | |
1386 | case 0: | |
1387 | cb.cb_sources |= ZPROP_SRC_LOCAL; | |
1388 | break; | |
1389 | case 1: | |
1390 | cb.cb_sources |= ZPROP_SRC_DEFAULT; | |
1391 | break; | |
1392 | case 2: | |
1393 | cb.cb_sources |= ZPROP_SRC_INHERITED; | |
1394 | break; | |
1395 | case 3: | |
428870ff | 1396 | cb.cb_sources |= ZPROP_SRC_RECEIVED; |
34dc7c2f BB |
1397 | break; |
1398 | case 4: | |
428870ff BB |
1399 | cb.cb_sources |= ZPROP_SRC_TEMPORARY; |
1400 | break; | |
1401 | case 5: | |
34dc7c2f BB |
1402 | cb.cb_sources |= ZPROP_SRC_NONE; |
1403 | break; | |
1404 | default: | |
1405 | (void) fprintf(stderr, | |
1406 | gettext("invalid source " | |
1407 | "'%s'\n"), value); | |
1408 | usage(B_FALSE); | |
1409 | } | |
1410 | } | |
1411 | break; | |
1412 | ||
1413 | case '?': | |
1414 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1415 | optopt); | |
1416 | usage(B_FALSE); | |
1417 | } | |
1418 | } | |
1419 | ||
1420 | argc -= optind; | |
1421 | argv += optind; | |
1422 | ||
1423 | if (argc < 1) { | |
1424 | (void) fprintf(stderr, gettext("missing property " | |
1425 | "argument\n")); | |
1426 | usage(B_FALSE); | |
1427 | } | |
1428 | ||
1429 | fields = argv[0]; | |
1430 | ||
1431 | if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) | |
1432 | != 0) | |
1433 | usage(B_FALSE); | |
1434 | ||
1435 | argc--; | |
1436 | argv++; | |
1437 | ||
1438 | /* | |
1439 | * As part of zfs_expand_proplist(), we keep track of the maximum column | |
1440 | * width for each property. For the 'NAME' (and 'SOURCE') columns, we | |
1441 | * need to know the maximum name length. However, the user likely did | |
1442 | * not specify 'name' as one of the properties to fetch, so we need to | |
1443 | * make sure we always include at least this property for | |
1444 | * print_get_headers() to work properly. | |
1445 | */ | |
1446 | if (cb.cb_proplist != NULL) { | |
1447 | fake_name.pl_prop = ZFS_PROP_NAME; | |
1448 | fake_name.pl_width = strlen(gettext("NAME")); | |
1449 | fake_name.pl_next = cb.cb_proplist; | |
1450 | cb.cb_proplist = &fake_name; | |
1451 | } | |
1452 | ||
1453 | cb.cb_first = B_TRUE; | |
1454 | ||
1455 | /* run for each object */ | |
b128c09f | 1456 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, NULL, |
9babb374 | 1457 | &cb.cb_proplist, limit, get_callback, &cb); |
34dc7c2f BB |
1458 | |
1459 | if (cb.cb_proplist == &fake_name) | |
1460 | zprop_free_list(fake_name.pl_next); | |
1461 | else | |
1462 | zprop_free_list(cb.cb_proplist); | |
1463 | ||
1464 | return (ret); | |
1465 | } | |
1466 | ||
1467 | /* | |
428870ff | 1468 | * inherit [-rS] <property> <fs|vol> ... |
34dc7c2f | 1469 | * |
428870ff BB |
1470 | * -r Recurse over all children |
1471 | * -S Revert to received value, if any | |
34dc7c2f BB |
1472 | * |
1473 | * For each dataset specified on the command line, inherit the given property | |
1474 | * from its parent. Inheriting a property at the pool level will cause it to | |
1475 | * use the default value. The '-r' flag will recurse over all children, and is | |
1476 | * useful for setting a property on a hierarchy-wide basis, regardless of any | |
1477 | * local modifications for each dataset. | |
1478 | */ | |
1479 | ||
428870ff BB |
1480 | typedef struct inherit_cbdata { |
1481 | const char *cb_propname; | |
1482 | boolean_t cb_received; | |
1483 | } inherit_cbdata_t; | |
1484 | ||
34dc7c2f | 1485 | static int |
b128c09f | 1486 | inherit_recurse_cb(zfs_handle_t *zhp, void *data) |
34dc7c2f | 1487 | { |
428870ff BB |
1488 | inherit_cbdata_t *cb = data; |
1489 | zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname); | |
34dc7c2f | 1490 | |
b128c09f BB |
1491 | /* |
1492 | * If we're doing it recursively, then ignore properties that | |
1493 | * are not valid for this type of dataset. | |
1494 | */ | |
1495 | if (prop != ZPROP_INVAL && | |
1496 | !zfs_prop_valid_for_type(prop, zfs_get_type(zhp))) | |
1497 | return (0); | |
1498 | ||
428870ff | 1499 | return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); |
b128c09f BB |
1500 | } |
1501 | ||
1502 | static int | |
1503 | inherit_cb(zfs_handle_t *zhp, void *data) | |
1504 | { | |
428870ff | 1505 | inherit_cbdata_t *cb = data; |
b128c09f | 1506 | |
428870ff | 1507 | return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); |
34dc7c2f BB |
1508 | } |
1509 | ||
1510 | static int | |
1511 | zfs_do_inherit(int argc, char **argv) | |
1512 | { | |
34dc7c2f BB |
1513 | int c; |
1514 | zfs_prop_t prop; | |
428870ff | 1515 | inherit_cbdata_t cb = { 0 }; |
34dc7c2f BB |
1516 | char *propname; |
1517 | int ret; | |
b128c09f | 1518 | int flags = 0; |
428870ff | 1519 | boolean_t received = B_FALSE; |
34dc7c2f BB |
1520 | |
1521 | /* check options */ | |
428870ff | 1522 | while ((c = getopt(argc, argv, "rS")) != -1) { |
34dc7c2f BB |
1523 | switch (c) { |
1524 | case 'r': | |
b128c09f | 1525 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f | 1526 | break; |
428870ff BB |
1527 | case 'S': |
1528 | received = B_TRUE; | |
1529 | break; | |
34dc7c2f BB |
1530 | case '?': |
1531 | default: | |
1532 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1533 | optopt); | |
1534 | usage(B_FALSE); | |
1535 | } | |
1536 | } | |
1537 | ||
1538 | argc -= optind; | |
1539 | argv += optind; | |
1540 | ||
1541 | /* check number of arguments */ | |
1542 | if (argc < 1) { | |
1543 | (void) fprintf(stderr, gettext("missing property argument\n")); | |
1544 | usage(B_FALSE); | |
1545 | } | |
1546 | if (argc < 2) { | |
1547 | (void) fprintf(stderr, gettext("missing dataset argument\n")); | |
1548 | usage(B_FALSE); | |
1549 | } | |
1550 | ||
1551 | propname = argv[0]; | |
1552 | argc--; | |
1553 | argv++; | |
1554 | ||
1555 | if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { | |
1556 | if (zfs_prop_readonly(prop)) { | |
1557 | (void) fprintf(stderr, gettext( | |
1558 | "%s property is read-only\n"), | |
1559 | propname); | |
1560 | return (1); | |
1561 | } | |
428870ff | 1562 | if (!zfs_prop_inheritable(prop) && !received) { |
34dc7c2f BB |
1563 | (void) fprintf(stderr, gettext("'%s' property cannot " |
1564 | "be inherited\n"), propname); | |
1565 | if (prop == ZFS_PROP_QUOTA || | |
1566 | prop == ZFS_PROP_RESERVATION || | |
1567 | prop == ZFS_PROP_REFQUOTA || | |
1568 | prop == ZFS_PROP_REFRESERVATION) | |
1569 | (void) fprintf(stderr, gettext("use 'zfs set " | |
1570 | "%s=none' to clear\n"), propname); | |
1571 | return (1); | |
1572 | } | |
428870ff BB |
1573 | if (received && (prop == ZFS_PROP_VOLSIZE || |
1574 | prop == ZFS_PROP_VERSION)) { | |
1575 | (void) fprintf(stderr, gettext("'%s' property cannot " | |
1576 | "be reverted to a received value\n"), propname); | |
1577 | return (1); | |
1578 | } | |
34dc7c2f BB |
1579 | } else if (!zfs_prop_user(propname)) { |
1580 | (void) fprintf(stderr, gettext("invalid property '%s'\n"), | |
1581 | propname); | |
1582 | usage(B_FALSE); | |
1583 | } | |
1584 | ||
428870ff BB |
1585 | cb.cb_propname = propname; |
1586 | cb.cb_received = received; | |
1587 | ||
b128c09f BB |
1588 | if (flags & ZFS_ITER_RECURSE) { |
1589 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, | |
428870ff | 1590 | NULL, NULL, 0, inherit_recurse_cb, &cb); |
b128c09f BB |
1591 | } else { |
1592 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, | |
428870ff | 1593 | NULL, NULL, 0, inherit_cb, &cb); |
b128c09f | 1594 | } |
34dc7c2f BB |
1595 | |
1596 | return (ret); | |
1597 | } | |
1598 | ||
1599 | typedef struct upgrade_cbdata { | |
1600 | uint64_t cb_numupgraded; | |
1601 | uint64_t cb_numsamegraded; | |
1602 | uint64_t cb_numfailed; | |
1603 | uint64_t cb_version; | |
1604 | boolean_t cb_newer; | |
1605 | boolean_t cb_foundone; | |
1606 | char cb_lastfs[ZFS_MAXNAMELEN]; | |
1607 | } upgrade_cbdata_t; | |
1608 | ||
1609 | static int | |
1610 | same_pool(zfs_handle_t *zhp, const char *name) | |
1611 | { | |
1612 | int len1 = strcspn(name, "/@"); | |
1613 | const char *zhname = zfs_get_name(zhp); | |
1614 | int len2 = strcspn(zhname, "/@"); | |
1615 | ||
1616 | if (len1 != len2) | |
1617 | return (B_FALSE); | |
1618 | return (strncmp(name, zhname, len1) == 0); | |
1619 | } | |
1620 | ||
1621 | static int | |
1622 | upgrade_list_callback(zfs_handle_t *zhp, void *data) | |
1623 | { | |
1624 | upgrade_cbdata_t *cb = data; | |
1625 | int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); | |
1626 | ||
1627 | /* list if it's old/new */ | |
1628 | if ((!cb->cb_newer && version < ZPL_VERSION) || | |
1629 | (cb->cb_newer && version > ZPL_VERSION)) { | |
1630 | char *str; | |
1631 | if (cb->cb_newer) { | |
1632 | str = gettext("The following filesystems are " | |
1633 | "formatted using a newer software version and\n" | |
1634 | "cannot be accessed on the current system.\n\n"); | |
1635 | } else { | |
1636 | str = gettext("The following filesystems are " | |
1637 | "out of date, and can be upgraded. After being\n" | |
1638 | "upgraded, these filesystems (and any 'zfs send' " | |
1639 | "streams generated from\n" | |
1640 | "subsequent snapshots) will no longer be " | |
1641 | "accessible by older software versions.\n\n"); | |
1642 | } | |
1643 | ||
1644 | if (!cb->cb_foundone) { | |
1645 | (void) puts(str); | |
1646 | (void) printf(gettext("VER FILESYSTEM\n")); | |
1647 | (void) printf(gettext("--- ------------\n")); | |
1648 | cb->cb_foundone = B_TRUE; | |
1649 | } | |
1650 | ||
1651 | (void) printf("%2u %s\n", version, zfs_get_name(zhp)); | |
1652 | } | |
1653 | ||
1654 | return (0); | |
1655 | } | |
1656 | ||
1657 | static int | |
1658 | upgrade_set_callback(zfs_handle_t *zhp, void *data) | |
1659 | { | |
1660 | upgrade_cbdata_t *cb = data; | |
1661 | int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); | |
428870ff BB |
1662 | int needed_spa_version; |
1663 | int spa_version; | |
1664 | ||
1665 | if (zfs_spa_version(zhp, &spa_version) < 0) | |
1666 | return (-1); | |
1667 | ||
1668 | needed_spa_version = zfs_spa_version_map(cb->cb_version); | |
1669 | ||
1670 | if (needed_spa_version < 0) | |
1671 | return (-1); | |
1672 | ||
1673 | if (spa_version < needed_spa_version) { | |
1674 | /* can't upgrade */ | |
1675 | (void) printf(gettext("%s: can not be " | |
1676 | "upgraded; the pool version needs to first " | |
1677 | "be upgraded\nto version %d\n\n"), | |
1678 | zfs_get_name(zhp), needed_spa_version); | |
1679 | cb->cb_numfailed++; | |
1680 | return (0); | |
34dc7c2f BB |
1681 | } |
1682 | ||
1683 | /* upgrade */ | |
1684 | if (version < cb->cb_version) { | |
1685 | char verstr[16]; | |
1686 | (void) snprintf(verstr, sizeof (verstr), | |
b8864a23 | 1687 | "%llu", (u_longlong_t)cb->cb_version); |
34dc7c2f BB |
1688 | if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) { |
1689 | /* | |
1690 | * If they did "zfs upgrade -a", then we could | |
1691 | * be doing ioctls to different pools. We need | |
1692 | * to log this history once to each pool. | |
1693 | */ | |
1694 | verify(zpool_stage_history(g_zfs, history_str) == 0); | |
1695 | } | |
1696 | if (zfs_prop_set(zhp, "version", verstr) == 0) | |
1697 | cb->cb_numupgraded++; | |
1698 | else | |
1699 | cb->cb_numfailed++; | |
1700 | (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp)); | |
1701 | } else if (version > cb->cb_version) { | |
1702 | /* can't downgrade */ | |
1703 | (void) printf(gettext("%s: can not be downgraded; " | |
1704 | "it is already at version %u\n"), | |
1705 | zfs_get_name(zhp), version); | |
1706 | cb->cb_numfailed++; | |
1707 | } else { | |
1708 | cb->cb_numsamegraded++; | |
1709 | } | |
1710 | return (0); | |
1711 | } | |
1712 | ||
1713 | /* | |
1714 | * zfs upgrade | |
1715 | * zfs upgrade -v | |
1716 | * zfs upgrade [-r] [-V <version>] <-a | filesystem> | |
1717 | */ | |
1718 | static int | |
1719 | zfs_do_upgrade(int argc, char **argv) | |
1720 | { | |
34dc7c2f BB |
1721 | boolean_t all = B_FALSE; |
1722 | boolean_t showversions = B_FALSE; | |
1723 | int ret; | |
1724 | upgrade_cbdata_t cb = { 0 }; | |
b8864a23 | 1725 | signed char c; |
b128c09f | 1726 | int flags = ZFS_ITER_ARGS_CAN_BE_PATHS; |
34dc7c2f BB |
1727 | |
1728 | /* check options */ | |
1729 | while ((c = getopt(argc, argv, "rvV:a")) != -1) { | |
1730 | switch (c) { | |
1731 | case 'r': | |
b128c09f | 1732 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f BB |
1733 | break; |
1734 | case 'v': | |
1735 | showversions = B_TRUE; | |
1736 | break; | |
1737 | case 'V': | |
1738 | if (zfs_prop_string_to_index(ZFS_PROP_VERSION, | |
1739 | optarg, &cb.cb_version) != 0) { | |
1740 | (void) fprintf(stderr, | |
1741 | gettext("invalid version %s\n"), optarg); | |
1742 | usage(B_FALSE); | |
1743 | } | |
1744 | break; | |
1745 | case 'a': | |
1746 | all = B_TRUE; | |
1747 | break; | |
1748 | case '?': | |
1749 | default: | |
1750 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1751 | optopt); | |
1752 | usage(B_FALSE); | |
1753 | } | |
1754 | } | |
1755 | ||
1756 | argc -= optind; | |
1757 | argv += optind; | |
1758 | ||
b128c09f | 1759 | if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version)) |
34dc7c2f | 1760 | usage(B_FALSE); |
b128c09f BB |
1761 | if (showversions && (flags & ZFS_ITER_RECURSE || all || |
1762 | cb.cb_version || argc)) | |
34dc7c2f BB |
1763 | usage(B_FALSE); |
1764 | if ((all || argc) && (showversions)) | |
1765 | usage(B_FALSE); | |
1766 | if (all && argc) | |
1767 | usage(B_FALSE); | |
1768 | ||
1769 | if (showversions) { | |
1770 | /* Show info on available versions. */ | |
1771 | (void) printf(gettext("The following filesystem versions are " | |
1772 | "supported:\n\n")); | |
1773 | (void) printf(gettext("VER DESCRIPTION\n")); | |
1774 | (void) printf("--- -----------------------------------------" | |
1775 | "---------------\n"); | |
1776 | (void) printf(gettext(" 1 Initial ZFS filesystem version\n")); | |
1777 | (void) printf(gettext(" 2 Enhanced directory entries\n")); | |
1778 | (void) printf(gettext(" 3 Case insensitive and File system " | |
45d1cae3 | 1779 | "unique identifier (FUID)\n")); |
9babb374 BB |
1780 | (void) printf(gettext(" 4 userquota, groupquota " |
1781 | "properties\n")); | |
428870ff | 1782 | (void) printf(gettext(" 5 System attributes\n")); |
34dc7c2f | 1783 | (void) printf(gettext("\nFor more information on a particular " |
428870ff BB |
1784 | "version, including supported releases,\n")); |
1785 | (void) printf("see the ZFS Administration Guide.\n\n"); | |
34dc7c2f BB |
1786 | ret = 0; |
1787 | } else if (argc || all) { | |
1788 | /* Upgrade filesystems */ | |
1789 | if (cb.cb_version == 0) | |
1790 | cb.cb_version = ZPL_VERSION; | |
b128c09f | 1791 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM, |
9babb374 | 1792 | NULL, NULL, 0, upgrade_set_callback, &cb); |
34dc7c2f | 1793 | (void) printf(gettext("%llu filesystems upgraded\n"), |
b8864a23 | 1794 | (u_longlong_t)cb.cb_numupgraded); |
34dc7c2f BB |
1795 | if (cb.cb_numsamegraded) { |
1796 | (void) printf(gettext("%llu filesystems already at " | |
1797 | "this version\n"), | |
b8864a23 | 1798 | (u_longlong_t)cb.cb_numsamegraded); |
34dc7c2f BB |
1799 | } |
1800 | if (cb.cb_numfailed != 0) | |
1801 | ret = 1; | |
1802 | } else { | |
1803 | /* List old-version filesytems */ | |
1804 | boolean_t found; | |
1805 | (void) printf(gettext("This system is currently running " | |
1806 | "ZFS filesystem version %llu.\n\n"), ZPL_VERSION); | |
1807 | ||
b128c09f BB |
1808 | flags |= ZFS_ITER_RECURSE; |
1809 | ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, | |
9babb374 | 1810 | NULL, NULL, 0, upgrade_list_callback, &cb); |
34dc7c2f BB |
1811 | |
1812 | found = cb.cb_foundone; | |
1813 | cb.cb_foundone = B_FALSE; | |
1814 | cb.cb_newer = B_TRUE; | |
1815 | ||
b128c09f | 1816 | ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, |
9babb374 | 1817 | NULL, NULL, 0, upgrade_list_callback, &cb); |
34dc7c2f BB |
1818 | |
1819 | if (!cb.cb_foundone && !found) { | |
1820 | (void) printf(gettext("All filesystems are " | |
1821 | "formatted with the current version.\n")); | |
1822 | } | |
1823 | } | |
1824 | ||
1825 | return (ret); | |
1826 | } | |
1827 | ||
1828 | /* | |
9babb374 BB |
1829 | * zfs userspace |
1830 | */ | |
1831 | static int | |
1832 | userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space) | |
1833 | { | |
1834 | zfs_userquota_prop_t *typep = arg; | |
1835 | zfs_userquota_prop_t p = *typep; | |
1836 | char *name = NULL; | |
1837 | char *ug, *propname; | |
1838 | char namebuf[32]; | |
1839 | char sizebuf[32]; | |
1840 | ||
1841 | if (domain == NULL || domain[0] == '\0') { | |
1842 | if (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) { | |
1843 | struct group *g = getgrgid(rid); | |
1844 | if (g) | |
1845 | name = g->gr_name; | |
1846 | } else { | |
1847 | struct passwd *p = getpwuid(rid); | |
1848 | if (p) | |
1849 | name = p->pw_name; | |
1850 | } | |
1851 | } | |
1852 | ||
1853 | if (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) | |
1854 | ug = "group"; | |
1855 | else | |
1856 | ug = "user"; | |
1857 | ||
1858 | if (p == ZFS_PROP_USERUSED || p == ZFS_PROP_GROUPUSED) | |
1859 | propname = "used"; | |
1860 | else | |
1861 | propname = "quota"; | |
1862 | ||
1863 | if (name == NULL) { | |
1864 | (void) snprintf(namebuf, sizeof (namebuf), | |
1865 | "%llu", (longlong_t)rid); | |
1866 | name = namebuf; | |
1867 | } | |
1868 | zfs_nicenum(space, sizebuf, sizeof (sizebuf)); | |
1869 | ||
1870 | (void) printf("%s %s %s%c%s %s\n", propname, ug, domain, | |
1871 | domain[0] ? '-' : ' ', name, sizebuf); | |
1872 | ||
1873 | return (0); | |
1874 | } | |
1875 | ||
1876 | static int | |
1877 | zfs_do_userspace(int argc, char **argv) | |
1878 | { | |
1879 | zfs_handle_t *zhp; | |
1880 | zfs_userquota_prop_t p; | |
1881 | int error; | |
1882 | ||
9babb374 BB |
1883 | if ((zhp = zfs_open(g_zfs, argv[argc-1], ZFS_TYPE_DATASET)) == NULL) |
1884 | return (1); | |
1885 | ||
1886 | (void) printf("PROP TYPE NAME VALUE\n"); | |
1887 | ||
1888 | for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) { | |
1889 | error = zfs_userspace(zhp, p, userspace_cb, &p); | |
1890 | if (error) | |
1891 | break; | |
1892 | } | |
1893 | return (error); | |
1894 | } | |
1895 | ||
1896 | /* | |
1897 | * list [-r][-d max] [-H] [-o property[,property]...] [-t type[,type]...] | |
34dc7c2f BB |
1898 | * [-s property [-s property]...] [-S property [-S property]...] |
1899 | * <dataset> ... | |
1900 | * | |
428870ff BB |
1901 | * -r Recurse over all children |
1902 | * -d Limit recursion by depth. | |
1903 | * -H Scripted mode; elide headers and separate columns by tabs | |
1904 | * -o Control which fields to display. | |
1905 | * -t Control which object types to display. | |
34dc7c2f BB |
1906 | * -s Specify sort columns, descending order. |
1907 | * -S Specify sort columns, ascending order. | |
1908 | * | |
1909 | * When given no arguments, lists all filesystems in the system. | |
1910 | * Otherwise, list the specified datasets, optionally recursing down them if | |
1911 | * '-r' is specified. | |
1912 | */ | |
1913 | typedef struct list_cbdata { | |
1914 | boolean_t cb_first; | |
1915 | boolean_t cb_scripted; | |
1916 | zprop_list_t *cb_proplist; | |
1917 | } list_cbdata_t; | |
1918 | ||
1919 | /* | |
1920 | * Given a list of columns to display, output appropriate headers for each one. | |
1921 | */ | |
1922 | static void | |
1923 | print_header(zprop_list_t *pl) | |
1924 | { | |
1925 | char headerbuf[ZFS_MAXPROPLEN]; | |
1926 | const char *header; | |
1927 | int i; | |
1928 | boolean_t first = B_TRUE; | |
1929 | boolean_t right_justify; | |
1930 | ||
1931 | for (; pl != NULL; pl = pl->pl_next) { | |
1932 | if (!first) { | |
1933 | (void) printf(" "); | |
1934 | } else { | |
1935 | first = B_FALSE; | |
1936 | } | |
1937 | ||
1938 | right_justify = B_FALSE; | |
1939 | if (pl->pl_prop != ZPROP_INVAL) { | |
1940 | header = zfs_prop_column_name(pl->pl_prop); | |
1941 | right_justify = zfs_prop_align_right(pl->pl_prop); | |
1942 | } else { | |
1943 | for (i = 0; pl->pl_user_prop[i] != '\0'; i++) | |
1944 | headerbuf[i] = toupper(pl->pl_user_prop[i]); | |
1945 | headerbuf[i] = '\0'; | |
1946 | header = headerbuf; | |
1947 | } | |
1948 | ||
1949 | if (pl->pl_next == NULL && !right_justify) | |
1950 | (void) printf("%s", header); | |
1951 | else if (right_justify) | |
b8864a23 | 1952 | (void) printf("%*s", (int)pl->pl_width, header); |
34dc7c2f | 1953 | else |
b8864a23 | 1954 | (void) printf("%-*s", (int)pl->pl_width, header); |
34dc7c2f BB |
1955 | } |
1956 | ||
1957 | (void) printf("\n"); | |
1958 | } | |
1959 | ||
1960 | /* | |
1961 | * Given a dataset and a list of fields, print out all the properties according | |
1962 | * to the described layout. | |
1963 | */ | |
1964 | static void | |
1965 | print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted) | |
1966 | { | |
1967 | boolean_t first = B_TRUE; | |
1968 | char property[ZFS_MAXPROPLEN]; | |
1969 | nvlist_t *userprops = zfs_get_user_props(zhp); | |
1970 | nvlist_t *propval; | |
1971 | char *propstr; | |
1972 | boolean_t right_justify; | |
1973 | int width; | |
1974 | ||
1975 | for (; pl != NULL; pl = pl->pl_next) { | |
1976 | if (!first) { | |
1977 | if (scripted) | |
1978 | (void) printf("\t"); | |
1979 | else | |
1980 | (void) printf(" "); | |
1981 | } else { | |
1982 | first = B_FALSE; | |
1983 | } | |
1984 | ||
34dc7c2f BB |
1985 | if (pl->pl_prop != ZPROP_INVAL) { |
1986 | if (zfs_prop_get(zhp, pl->pl_prop, property, | |
1987 | sizeof (property), NULL, NULL, 0, B_FALSE) != 0) | |
1988 | propstr = "-"; | |
1989 | else | |
1990 | propstr = property; | |
1991 | ||
1992 | right_justify = zfs_prop_align_right(pl->pl_prop); | |
9babb374 BB |
1993 | } else if (zfs_prop_userquota(pl->pl_user_prop)) { |
1994 | if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, | |
1995 | property, sizeof (property), B_FALSE) != 0) | |
1996 | propstr = "-"; | |
1997 | else | |
1998 | propstr = property; | |
1999 | right_justify = B_TRUE; | |
34dc7c2f BB |
2000 | } else { |
2001 | if (nvlist_lookup_nvlist(userprops, | |
2002 | pl->pl_user_prop, &propval) != 0) | |
2003 | propstr = "-"; | |
2004 | else | |
2005 | verify(nvlist_lookup_string(propval, | |
2006 | ZPROP_VALUE, &propstr) == 0); | |
9babb374 | 2007 | right_justify = B_FALSE; |
34dc7c2f BB |
2008 | } |
2009 | ||
2010 | width = pl->pl_width; | |
2011 | ||
2012 | /* | |
2013 | * If this is being called in scripted mode, or if this is the | |
2014 | * last column and it is left-justified, don't include a width | |
2015 | * format specifier. | |
2016 | */ | |
2017 | if (scripted || (pl->pl_next == NULL && !right_justify)) | |
2018 | (void) printf("%s", propstr); | |
2019 | else if (right_justify) | |
2020 | (void) printf("%*s", width, propstr); | |
2021 | else | |
2022 | (void) printf("%-*s", width, propstr); | |
2023 | } | |
2024 | ||
2025 | (void) printf("\n"); | |
2026 | } | |
2027 | ||
2028 | /* | |
2029 | * Generic callback function to list a dataset or snapshot. | |
2030 | */ | |
2031 | static int | |
2032 | list_callback(zfs_handle_t *zhp, void *data) | |
2033 | { | |
2034 | list_cbdata_t *cbp = data; | |
2035 | ||
2036 | if (cbp->cb_first) { | |
2037 | if (!cbp->cb_scripted) | |
2038 | print_header(cbp->cb_proplist); | |
2039 | cbp->cb_first = B_FALSE; | |
2040 | } | |
2041 | ||
2042 | print_dataset(zhp, cbp->cb_proplist, cbp->cb_scripted); | |
2043 | ||
2044 | return (0); | |
2045 | } | |
2046 | ||
2047 | static int | |
2048 | zfs_do_list(int argc, char **argv) | |
2049 | { | |
2050 | int c; | |
34dc7c2f BB |
2051 | boolean_t scripted = B_FALSE; |
2052 | static char default_fields[] = | |
2053 | "name,used,available,referenced,mountpoint"; | |
d164b209 | 2054 | int types = ZFS_TYPE_DATASET; |
b128c09f | 2055 | boolean_t types_specified = B_FALSE; |
34dc7c2f | 2056 | char *fields = NULL; |
34dc7c2f BB |
2057 | list_cbdata_t cb = { 0 }; |
2058 | char *value; | |
9babb374 | 2059 | int limit = 0; |
34dc7c2f | 2060 | int ret; |
34dc7c2f | 2061 | zfs_sort_column_t *sortcol = NULL; |
b128c09f | 2062 | int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS; |
34dc7c2f BB |
2063 | |
2064 | /* check options */ | |
9babb374 | 2065 | while ((c = getopt(argc, argv, ":d:o:rt:Hs:S:")) != -1) { |
34dc7c2f BB |
2066 | switch (c) { |
2067 | case 'o': | |
2068 | fields = optarg; | |
2069 | break; | |
9babb374 BB |
2070 | case 'd': |
2071 | limit = parse_depth(optarg, &flags); | |
2072 | break; | |
34dc7c2f | 2073 | case 'r': |
b128c09f | 2074 | flags |= ZFS_ITER_RECURSE; |
34dc7c2f BB |
2075 | break; |
2076 | case 'H': | |
2077 | scripted = B_TRUE; | |
2078 | break; | |
2079 | case 's': | |
2080 | if (zfs_add_sort_column(&sortcol, optarg, | |
2081 | B_FALSE) != 0) { | |
2082 | (void) fprintf(stderr, | |
2083 | gettext("invalid property '%s'\n"), optarg); | |
2084 | usage(B_FALSE); | |
2085 | } | |
2086 | break; | |
2087 | case 'S': | |
2088 | if (zfs_add_sort_column(&sortcol, optarg, | |
2089 | B_TRUE) != 0) { | |
2090 | (void) fprintf(stderr, | |
2091 | gettext("invalid property '%s'\n"), optarg); | |
2092 | usage(B_FALSE); | |
2093 | } | |
2094 | break; | |
2095 | case 't': | |
2096 | types = 0; | |
b128c09f BB |
2097 | types_specified = B_TRUE; |
2098 | flags &= ~ZFS_ITER_PROP_LISTSNAPS; | |
34dc7c2f | 2099 | while (*optarg != '\0') { |
b128c09f BB |
2100 | static char *type_subopts[] = { "filesystem", |
2101 | "volume", "snapshot", "all", NULL }; | |
2102 | ||
34dc7c2f BB |
2103 | switch (getsubopt(&optarg, type_subopts, |
2104 | &value)) { | |
2105 | case 0: | |
2106 | types |= ZFS_TYPE_FILESYSTEM; | |
2107 | break; | |
2108 | case 1: | |
2109 | types |= ZFS_TYPE_VOLUME; | |
2110 | break; | |
2111 | case 2: | |
2112 | types |= ZFS_TYPE_SNAPSHOT; | |
2113 | break; | |
b128c09f BB |
2114 | case 3: |
2115 | types = ZFS_TYPE_DATASET; | |
2116 | break; | |
2117 | ||
34dc7c2f BB |
2118 | default: |
2119 | (void) fprintf(stderr, | |
2120 | gettext("invalid type '%s'\n"), | |
2121 | value); | |
2122 | usage(B_FALSE); | |
2123 | } | |
2124 | } | |
2125 | break; | |
2126 | case ':': | |
2127 | (void) fprintf(stderr, gettext("missing argument for " | |
2128 | "'%c' option\n"), optopt); | |
2129 | usage(B_FALSE); | |
2130 | break; | |
2131 | case '?': | |
2132 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2133 | optopt); | |
2134 | usage(B_FALSE); | |
2135 | } | |
2136 | } | |
2137 | ||
2138 | argc -= optind; | |
2139 | argv += optind; | |
2140 | ||
2141 | if (fields == NULL) | |
b128c09f BB |
2142 | fields = default_fields; |
2143 | ||
2144 | /* | |
2145 | * If "-o space" and no types were specified, don't display snapshots. | |
2146 | */ | |
2147 | if (strcmp(fields, "space") == 0 && types_specified == B_FALSE) | |
2148 | types &= ~ZFS_TYPE_SNAPSHOT; | |
34dc7c2f BB |
2149 | |
2150 | /* | |
2151 | * If the user specifies '-o all', the zprop_get_list() doesn't | |
2152 | * normally include the name of the dataset. For 'zfs list', we always | |
2153 | * want this property to be first. | |
2154 | */ | |
2155 | if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) | |
2156 | != 0) | |
2157 | usage(B_FALSE); | |
2158 | ||
2159 | cb.cb_scripted = scripted; | |
2160 | cb.cb_first = B_TRUE; | |
2161 | ||
b128c09f | 2162 | ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist, |
9babb374 | 2163 | limit, list_callback, &cb); |
34dc7c2f BB |
2164 | |
2165 | zprop_free_list(cb.cb_proplist); | |
2166 | zfs_free_sort_columns(sortcol); | |
2167 | ||
2168 | if (ret == 0 && cb.cb_first && !cb.cb_scripted) | |
2169 | (void) printf(gettext("no datasets available\n")); | |
2170 | ||
2171 | return (ret); | |
2172 | } | |
2173 | ||
2174 | /* | |
2175 | * zfs rename <fs | snap | vol> <fs | snap | vol> | |
2176 | * zfs rename -p <fs | vol> <fs | vol> | |
2177 | * zfs rename -r <snap> <snap> | |
2178 | * | |
2179 | * Renames the given dataset to another of the same type. | |
2180 | * | |
2181 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
2182 | */ | |
2183 | /* ARGSUSED */ | |
2184 | static int | |
2185 | zfs_do_rename(int argc, char **argv) | |
2186 | { | |
2187 | zfs_handle_t *zhp; | |
2188 | int c; | |
2189 | int ret; | |
2190 | boolean_t recurse = B_FALSE; | |
2191 | boolean_t parents = B_FALSE; | |
2192 | ||
2193 | /* check options */ | |
2194 | while ((c = getopt(argc, argv, "pr")) != -1) { | |
2195 | switch (c) { | |
2196 | case 'p': | |
2197 | parents = B_TRUE; | |
2198 | break; | |
2199 | case 'r': | |
2200 | recurse = B_TRUE; | |
2201 | break; | |
2202 | case '?': | |
2203 | default: | |
2204 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2205 | optopt); | |
2206 | usage(B_FALSE); | |
2207 | } | |
2208 | } | |
2209 | ||
2210 | argc -= optind; | |
2211 | argv += optind; | |
2212 | ||
2213 | /* check number of arguments */ | |
2214 | if (argc < 1) { | |
2215 | (void) fprintf(stderr, gettext("missing source dataset " | |
2216 | "argument\n")); | |
2217 | usage(B_FALSE); | |
2218 | } | |
2219 | if (argc < 2) { | |
2220 | (void) fprintf(stderr, gettext("missing target dataset " | |
2221 | "argument\n")); | |
2222 | usage(B_FALSE); | |
2223 | } | |
2224 | if (argc > 2) { | |
2225 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2226 | usage(B_FALSE); | |
2227 | } | |
2228 | ||
2229 | if (recurse && parents) { | |
2230 | (void) fprintf(stderr, gettext("-p and -r options are mutually " | |
2231 | "exclusive\n")); | |
2232 | usage(B_FALSE); | |
2233 | } | |
2234 | ||
2235 | if (recurse && strchr(argv[0], '@') == 0) { | |
2236 | (void) fprintf(stderr, gettext("source dataset for recursive " | |
2237 | "rename must be a snapshot\n")); | |
2238 | usage(B_FALSE); | |
2239 | } | |
2240 | ||
2241 | if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM | | |
2242 | ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL) | |
2243 | return (1); | |
2244 | ||
2245 | /* If we were asked and the name looks good, try to create ancestors. */ | |
2246 | if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) && | |
2247 | zfs_create_ancestors(g_zfs, argv[1]) != 0) { | |
2248 | zfs_close(zhp); | |
2249 | return (1); | |
2250 | } | |
2251 | ||
2252 | ret = (zfs_rename(zhp, argv[1], recurse) != 0); | |
2253 | ||
2254 | zfs_close(zhp); | |
2255 | return (ret); | |
2256 | } | |
2257 | ||
2258 | /* | |
2259 | * zfs promote <fs> | |
2260 | * | |
2261 | * Promotes the given clone fs to be the parent | |
2262 | */ | |
2263 | /* ARGSUSED */ | |
2264 | static int | |
2265 | zfs_do_promote(int argc, char **argv) | |
2266 | { | |
2267 | zfs_handle_t *zhp; | |
2268 | int ret; | |
2269 | ||
2270 | /* check options */ | |
2271 | if (argc > 1 && argv[1][0] == '-') { | |
2272 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2273 | argv[1][1]); | |
2274 | usage(B_FALSE); | |
2275 | } | |
2276 | ||
2277 | /* check number of arguments */ | |
2278 | if (argc < 2) { | |
2279 | (void) fprintf(stderr, gettext("missing clone filesystem" | |
2280 | " argument\n")); | |
2281 | usage(B_FALSE); | |
2282 | } | |
2283 | if (argc > 2) { | |
2284 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2285 | usage(B_FALSE); | |
2286 | } | |
2287 | ||
2288 | zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
2289 | if (zhp == NULL) | |
2290 | return (1); | |
2291 | ||
2292 | ret = (zfs_promote(zhp) != 0); | |
2293 | ||
2294 | ||
2295 | zfs_close(zhp); | |
2296 | return (ret); | |
2297 | } | |
2298 | ||
2299 | /* | |
2300 | * zfs rollback [-rRf] <snapshot> | |
2301 | * | |
428870ff BB |
2302 | * -r Delete any intervening snapshots before doing rollback |
2303 | * -R Delete any snapshots and their clones | |
2304 | * -f ignored for backwards compatability | |
34dc7c2f BB |
2305 | * |
2306 | * Given a filesystem, rollback to a specific snapshot, discarding any changes | |
2307 | * since then and making it the active dataset. If more recent snapshots exist, | |
2308 | * the command will complain unless the '-r' flag is given. | |
2309 | */ | |
2310 | typedef struct rollback_cbdata { | |
2311 | uint64_t cb_create; | |
2312 | boolean_t cb_first; | |
2313 | int cb_doclones; | |
2314 | char *cb_target; | |
2315 | int cb_error; | |
2316 | boolean_t cb_recurse; | |
2317 | boolean_t cb_dependent; | |
2318 | } rollback_cbdata_t; | |
2319 | ||
2320 | /* | |
2321 | * Report any snapshots more recent than the one specified. Used when '-r' is | |
2322 | * not specified. We reuse this same callback for the snapshot dependents - if | |
2323 | * 'cb_dependent' is set, then this is a dependent and we should report it | |
2324 | * without checking the transaction group. | |
2325 | */ | |
2326 | static int | |
2327 | rollback_check(zfs_handle_t *zhp, void *data) | |
2328 | { | |
2329 | rollback_cbdata_t *cbp = data; | |
2330 | ||
2331 | if (cbp->cb_doclones) { | |
2332 | zfs_close(zhp); | |
2333 | return (0); | |
2334 | } | |
2335 | ||
2336 | if (!cbp->cb_dependent) { | |
2337 | if (strcmp(zfs_get_name(zhp), cbp->cb_target) != 0 && | |
2338 | zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT && | |
2339 | zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > | |
2340 | cbp->cb_create) { | |
2341 | ||
2342 | if (cbp->cb_first && !cbp->cb_recurse) { | |
2343 | (void) fprintf(stderr, gettext("cannot " | |
2344 | "rollback to '%s': more recent snapshots " | |
2345 | "exist\n"), | |
2346 | cbp->cb_target); | |
2347 | (void) fprintf(stderr, gettext("use '-r' to " | |
2348 | "force deletion of the following " | |
2349 | "snapshots:\n")); | |
2350 | cbp->cb_first = 0; | |
2351 | cbp->cb_error = 1; | |
2352 | } | |
2353 | ||
2354 | if (cbp->cb_recurse) { | |
2355 | cbp->cb_dependent = B_TRUE; | |
2356 | if (zfs_iter_dependents(zhp, B_TRUE, | |
2357 | rollback_check, cbp) != 0) { | |
2358 | zfs_close(zhp); | |
2359 | return (-1); | |
2360 | } | |
2361 | cbp->cb_dependent = B_FALSE; | |
2362 | } else { | |
2363 | (void) fprintf(stderr, "%s\n", | |
2364 | zfs_get_name(zhp)); | |
2365 | } | |
2366 | } | |
2367 | } else { | |
2368 | if (cbp->cb_first && cbp->cb_recurse) { | |
2369 | (void) fprintf(stderr, gettext("cannot rollback to " | |
2370 | "'%s': clones of previous snapshots exist\n"), | |
2371 | cbp->cb_target); | |
2372 | (void) fprintf(stderr, gettext("use '-R' to " | |
2373 | "force deletion of the following clones and " | |
2374 | "dependents:\n")); | |
2375 | cbp->cb_first = 0; | |
2376 | cbp->cb_error = 1; | |
2377 | } | |
2378 | ||
2379 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
2380 | } | |
2381 | ||
2382 | zfs_close(zhp); | |
2383 | return (0); | |
2384 | } | |
2385 | ||
2386 | static int | |
2387 | zfs_do_rollback(int argc, char **argv) | |
2388 | { | |
2389 | int ret; | |
2390 | int c; | |
2391 | boolean_t force = B_FALSE; | |
2392 | rollback_cbdata_t cb = { 0 }; | |
2393 | zfs_handle_t *zhp, *snap; | |
2394 | char parentname[ZFS_MAXNAMELEN]; | |
2395 | char *delim; | |
2396 | ||
2397 | /* check options */ | |
2398 | while ((c = getopt(argc, argv, "rRf")) != -1) { | |
2399 | switch (c) { | |
2400 | case 'r': | |
2401 | cb.cb_recurse = 1; | |
2402 | break; | |
2403 | case 'R': | |
2404 | cb.cb_recurse = 1; | |
2405 | cb.cb_doclones = 1; | |
2406 | break; | |
2407 | case 'f': | |
2408 | force = B_TRUE; | |
2409 | break; | |
2410 | case '?': | |
2411 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2412 | optopt); | |
2413 | usage(B_FALSE); | |
2414 | } | |
2415 | } | |
2416 | ||
2417 | argc -= optind; | |
2418 | argv += optind; | |
2419 | ||
2420 | /* check number of arguments */ | |
2421 | if (argc < 1) { | |
2422 | (void) fprintf(stderr, gettext("missing dataset argument\n")); | |
2423 | usage(B_FALSE); | |
2424 | } | |
2425 | if (argc > 1) { | |
2426 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2427 | usage(B_FALSE); | |
2428 | } | |
2429 | ||
2430 | /* open the snapshot */ | |
2431 | if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) | |
2432 | return (1); | |
2433 | ||
2434 | /* open the parent dataset */ | |
2435 | (void) strlcpy(parentname, argv[0], sizeof (parentname)); | |
2436 | verify((delim = strrchr(parentname, '@')) != NULL); | |
2437 | *delim = '\0'; | |
2438 | if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) { | |
2439 | zfs_close(snap); | |
2440 | return (1); | |
2441 | } | |
2442 | ||
2443 | /* | |
2444 | * Check for more recent snapshots and/or clones based on the presence | |
2445 | * of '-r' and '-R'. | |
2446 | */ | |
2447 | cb.cb_target = argv[0]; | |
2448 | cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); | |
2449 | cb.cb_first = B_TRUE; | |
2450 | cb.cb_error = 0; | |
2451 | if ((ret = zfs_iter_children(zhp, rollback_check, &cb)) != 0) | |
2452 | goto out; | |
2453 | ||
2454 | if ((ret = cb.cb_error) != 0) | |
2455 | goto out; | |
2456 | ||
2457 | /* | |
2458 | * Rollback parent to the given snapshot. | |
2459 | */ | |
2460 | ret = zfs_rollback(zhp, snap, force); | |
2461 | ||
2462 | out: | |
2463 | zfs_close(snap); | |
2464 | zfs_close(zhp); | |
2465 | ||
2466 | if (ret == 0) | |
2467 | return (0); | |
2468 | else | |
2469 | return (1); | |
2470 | } | |
2471 | ||
2472 | /* | |
2473 | * zfs set property=value { fs | snap | vol } ... | |
2474 | * | |
2475 | * Sets the given property for all datasets specified on the command line. | |
2476 | */ | |
2477 | typedef struct set_cbdata { | |
2478 | char *cb_propname; | |
2479 | char *cb_value; | |
2480 | } set_cbdata_t; | |
2481 | ||
2482 | static int | |
2483 | set_callback(zfs_handle_t *zhp, void *data) | |
2484 | { | |
2485 | set_cbdata_t *cbp = data; | |
2486 | ||
2487 | if (zfs_prop_set(zhp, cbp->cb_propname, cbp->cb_value) != 0) { | |
2488 | switch (libzfs_errno(g_zfs)) { | |
2489 | case EZFS_MOUNTFAILED: | |
2490 | (void) fprintf(stderr, gettext("property may be set " | |
2491 | "but unable to remount filesystem\n")); | |
2492 | break; | |
2493 | case EZFS_SHARENFSFAILED: | |
2494 | (void) fprintf(stderr, gettext("property may be set " | |
2495 | "but unable to reshare filesystem\n")); | |
2496 | break; | |
2497 | } | |
2498 | return (1); | |
2499 | } | |
2500 | return (0); | |
2501 | } | |
2502 | ||
2503 | static int | |
2504 | zfs_do_set(int argc, char **argv) | |
2505 | { | |
2506 | set_cbdata_t cb; | |
2507 | int ret; | |
2508 | ||
2509 | /* check for options */ | |
2510 | if (argc > 1 && argv[1][0] == '-') { | |
2511 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2512 | argv[1][1]); | |
2513 | usage(B_FALSE); | |
2514 | } | |
2515 | ||
2516 | /* check number of arguments */ | |
2517 | if (argc < 2) { | |
2518 | (void) fprintf(stderr, gettext("missing property=value " | |
2519 | "argument\n")); | |
2520 | usage(B_FALSE); | |
2521 | } | |
2522 | if (argc < 3) { | |
2523 | (void) fprintf(stderr, gettext("missing dataset name\n")); | |
2524 | usage(B_FALSE); | |
2525 | } | |
2526 | ||
2527 | /* validate property=value argument */ | |
2528 | cb.cb_propname = argv[1]; | |
b128c09f BB |
2529 | if (((cb.cb_value = strchr(cb.cb_propname, '=')) == NULL) || |
2530 | (cb.cb_value[1] == '\0')) { | |
34dc7c2f BB |
2531 | (void) fprintf(stderr, gettext("missing value in " |
2532 | "property=value argument\n")); | |
2533 | usage(B_FALSE); | |
2534 | } | |
2535 | ||
2536 | *cb.cb_value = '\0'; | |
2537 | cb.cb_value++; | |
2538 | ||
2539 | if (*cb.cb_propname == '\0') { | |
2540 | (void) fprintf(stderr, | |
2541 | gettext("missing property in property=value argument\n")); | |
2542 | usage(B_FALSE); | |
2543 | } | |
2544 | ||
b8864a23 | 2545 | ret = zfs_for_each(argc - 2, argv + 2, 0, |
9babb374 | 2546 | ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb); |
34dc7c2f BB |
2547 | |
2548 | return (ret); | |
2549 | } | |
2550 | ||
2551 | /* | |
b128c09f | 2552 | * zfs snapshot [-r] [-o prop=value] ... <fs@snap> |
34dc7c2f BB |
2553 | * |
2554 | * Creates a snapshot with the given name. While functionally equivalent to | |
2555 | * 'zfs create', it is a separate command to differentiate intent. | |
2556 | */ | |
2557 | static int | |
2558 | zfs_do_snapshot(int argc, char **argv) | |
2559 | { | |
2560 | boolean_t recursive = B_FALSE; | |
2561 | int ret; | |
b8864a23 | 2562 | signed char c; |
b128c09f BB |
2563 | nvlist_t *props; |
2564 | ||
428870ff BB |
2565 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) |
2566 | nomem(); | |
34dc7c2f BB |
2567 | |
2568 | /* check options */ | |
b128c09f | 2569 | while ((c = getopt(argc, argv, "ro:")) != -1) { |
34dc7c2f | 2570 | switch (c) { |
b128c09f BB |
2571 | case 'o': |
2572 | if (parseprop(props)) | |
2573 | return (1); | |
2574 | break; | |
34dc7c2f BB |
2575 | case 'r': |
2576 | recursive = B_TRUE; | |
2577 | break; | |
2578 | case '?': | |
2579 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2580 | optopt); | |
b128c09f | 2581 | goto usage; |
34dc7c2f BB |
2582 | } |
2583 | } | |
2584 | ||
2585 | argc -= optind; | |
2586 | argv += optind; | |
2587 | ||
2588 | /* check number of arguments */ | |
2589 | if (argc < 1) { | |
2590 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
b128c09f | 2591 | goto usage; |
34dc7c2f BB |
2592 | } |
2593 | if (argc > 1) { | |
2594 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
b128c09f | 2595 | goto usage; |
34dc7c2f BB |
2596 | } |
2597 | ||
b128c09f BB |
2598 | ret = zfs_snapshot(g_zfs, argv[0], recursive, props); |
2599 | nvlist_free(props); | |
34dc7c2f BB |
2600 | if (ret && recursive) |
2601 | (void) fprintf(stderr, gettext("no snapshots were created\n")); | |
2602 | return (ret != 0); | |
b128c09f BB |
2603 | |
2604 | usage: | |
2605 | nvlist_free(props); | |
2606 | usage(B_FALSE); | |
2607 | return (-1); | |
34dc7c2f BB |
2608 | } |
2609 | ||
2610 | /* | |
428870ff BB |
2611 | * zfs send [-vDp] -R [-i|-I <@snap>] <fs@snap> |
2612 | * zfs send [-vDp] [-i|-I <@snap>] <fs@snap> | |
34dc7c2f BB |
2613 | * |
2614 | * Send a backup stream to stdout. | |
2615 | */ | |
2616 | static int | |
2617 | zfs_do_send(int argc, char **argv) | |
2618 | { | |
2619 | char *fromname = NULL; | |
2620 | char *toname = NULL; | |
2621 | char *cp; | |
2622 | zfs_handle_t *zhp; | |
428870ff | 2623 | sendflags_t flags = { 0 }; |
34dc7c2f | 2624 | int c, err; |
428870ff BB |
2625 | nvlist_t *dbgnv; |
2626 | boolean_t extraverbose = B_FALSE; | |
34dc7c2f BB |
2627 | |
2628 | /* check options */ | |
428870ff | 2629 | while ((c = getopt(argc, argv, ":i:I:RDpv")) != -1) { |
34dc7c2f BB |
2630 | switch (c) { |
2631 | case 'i': | |
2632 | if (fromname) | |
2633 | usage(B_FALSE); | |
2634 | fromname = optarg; | |
2635 | break; | |
2636 | case 'I': | |
2637 | if (fromname) | |
2638 | usage(B_FALSE); | |
2639 | fromname = optarg; | |
428870ff | 2640 | flags.doall = B_TRUE; |
34dc7c2f BB |
2641 | break; |
2642 | case 'R': | |
428870ff BB |
2643 | flags.replicate = B_TRUE; |
2644 | break; | |
2645 | case 'p': | |
2646 | flags.props = B_TRUE; | |
34dc7c2f BB |
2647 | break; |
2648 | case 'v': | |
428870ff BB |
2649 | if (flags.verbose) |
2650 | extraverbose = B_TRUE; | |
2651 | flags.verbose = B_TRUE; | |
2652 | break; | |
2653 | case 'D': | |
2654 | flags.dedup = B_TRUE; | |
34dc7c2f BB |
2655 | break; |
2656 | case ':': | |
2657 | (void) fprintf(stderr, gettext("missing argument for " | |
2658 | "'%c' option\n"), optopt); | |
2659 | usage(B_FALSE); | |
2660 | break; | |
2661 | case '?': | |
2662 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2663 | optopt); | |
2664 | usage(B_FALSE); | |
2665 | } | |
2666 | } | |
2667 | ||
2668 | argc -= optind; | |
2669 | argv += optind; | |
2670 | ||
2671 | /* check number of arguments */ | |
2672 | if (argc < 1) { | |
2673 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
2674 | usage(B_FALSE); | |
2675 | } | |
2676 | if (argc > 1) { | |
2677 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2678 | usage(B_FALSE); | |
2679 | } | |
2680 | ||
2681 | if (isatty(STDOUT_FILENO)) { | |
2682 | (void) fprintf(stderr, | |
2683 | gettext("Error: Stream can not be written to a terminal.\n" | |
2684 | "You must redirect standard output.\n")); | |
2685 | return (1); | |
2686 | } | |
2687 | ||
2688 | cp = strchr(argv[0], '@'); | |
2689 | if (cp == NULL) { | |
2690 | (void) fprintf(stderr, | |
2691 | gettext("argument must be a snapshot\n")); | |
2692 | usage(B_FALSE); | |
2693 | } | |
2694 | *cp = '\0'; | |
2695 | toname = cp + 1; | |
2696 | zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
2697 | if (zhp == NULL) | |
2698 | return (1); | |
2699 | ||
2700 | /* | |
2701 | * If they specified the full path to the snapshot, chop off | |
2702 | * everything except the short name of the snapshot, but special | |
2703 | * case if they specify the origin. | |
2704 | */ | |
2705 | if (fromname && (cp = strchr(fromname, '@')) != NULL) { | |
2706 | char origin[ZFS_MAXNAMELEN]; | |
2707 | zprop_source_t src; | |
2708 | ||
2709 | (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN, | |
2710 | origin, sizeof (origin), &src, NULL, 0, B_FALSE); | |
2711 | ||
2712 | if (strcmp(origin, fromname) == 0) { | |
2713 | fromname = NULL; | |
428870ff | 2714 | flags.fromorigin = B_TRUE; |
34dc7c2f BB |
2715 | } else { |
2716 | *cp = '\0'; | |
2717 | if (cp != fromname && strcmp(argv[0], fromname)) { | |
2718 | (void) fprintf(stderr, | |
2719 | gettext("incremental source must be " | |
2720 | "in same filesystem\n")); | |
2721 | usage(B_FALSE); | |
2722 | } | |
2723 | fromname = cp + 1; | |
2724 | if (strchr(fromname, '@') || strchr(fromname, '/')) { | |
2725 | (void) fprintf(stderr, | |
2726 | gettext("invalid incremental source\n")); | |
2727 | usage(B_FALSE); | |
2728 | } | |
2729 | } | |
2730 | } | |
2731 | ||
428870ff BB |
2732 | if (flags.replicate && fromname == NULL) |
2733 | flags.doall = B_TRUE; | |
2734 | ||
2735 | err = zfs_send(zhp, fromname, toname, flags, STDOUT_FILENO, NULL, 0, | |
2736 | extraverbose ? &dbgnv : NULL); | |
34dc7c2f | 2737 | |
428870ff BB |
2738 | if (extraverbose) { |
2739 | /* | |
2740 | * dump_nvlist prints to stdout, but that's been | |
2741 | * redirected to a file. Make it print to stderr | |
2742 | * instead. | |
2743 | */ | |
2744 | (void) dup2(STDERR_FILENO, STDOUT_FILENO); | |
2745 | dump_nvlist(dbgnv, 0); | |
2746 | nvlist_free(dbgnv); | |
2747 | } | |
34dc7c2f BB |
2748 | zfs_close(zhp); |
2749 | ||
2750 | return (err != 0); | |
2751 | } | |
2752 | ||
2753 | /* | |
428870ff | 2754 | * zfs receive [-vnFu] [-d | -e] <fs@snap> |
34dc7c2f BB |
2755 | * |
2756 | * Restore a backup stream from stdin. | |
2757 | */ | |
2758 | static int | |
2759 | zfs_do_receive(int argc, char **argv) | |
2760 | { | |
2761 | int c, err; | |
428870ff | 2762 | recvflags_t flags = { 0 }; |
34dc7c2f | 2763 | |
34dc7c2f | 2764 | /* check options */ |
428870ff | 2765 | while ((c = getopt(argc, argv, ":denuvF")) != -1) { |
34dc7c2f BB |
2766 | switch (c) { |
2767 | case 'd': | |
2768 | flags.isprefix = B_TRUE; | |
2769 | break; | |
428870ff BB |
2770 | case 'e': |
2771 | flags.isprefix = B_TRUE; | |
2772 | flags.istail = B_TRUE; | |
2773 | break; | |
34dc7c2f BB |
2774 | case 'n': |
2775 | flags.dryrun = B_TRUE; | |
2776 | break; | |
d164b209 BB |
2777 | case 'u': |
2778 | flags.nomount = B_TRUE; | |
2779 | break; | |
34dc7c2f BB |
2780 | case 'v': |
2781 | flags.verbose = B_TRUE; | |
2782 | break; | |
2783 | case 'F': | |
2784 | flags.force = B_TRUE; | |
2785 | break; | |
2786 | case ':': | |
2787 | (void) fprintf(stderr, gettext("missing argument for " | |
2788 | "'%c' option\n"), optopt); | |
2789 | usage(B_FALSE); | |
2790 | break; | |
2791 | case '?': | |
2792 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2793 | optopt); | |
2794 | usage(B_FALSE); | |
2795 | } | |
2796 | } | |
2797 | ||
2798 | argc -= optind; | |
2799 | argv += optind; | |
2800 | ||
2801 | /* check number of arguments */ | |
2802 | if (argc < 1) { | |
2803 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
2804 | usage(B_FALSE); | |
2805 | } | |
2806 | if (argc > 1) { | |
2807 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2808 | usage(B_FALSE); | |
2809 | } | |
2810 | ||
2811 | if (isatty(STDIN_FILENO)) { | |
2812 | (void) fprintf(stderr, | |
2813 | gettext("Error: Backup stream can not be read " | |
2814 | "from a terminal.\n" | |
2815 | "You must redirect standard input.\n")); | |
2816 | return (1); | |
2817 | } | |
2818 | ||
2819 | err = zfs_receive(g_zfs, argv[0], flags, STDIN_FILENO, NULL); | |
2820 | ||
2821 | return (err != 0); | |
2822 | } | |
2823 | ||
45d1cae3 BB |
2824 | static int |
2825 | zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding) | |
2826 | { | |
2827 | int errors = 0; | |
2828 | int i; | |
2829 | const char *tag; | |
2830 | boolean_t recursive = B_FALSE; | |
428870ff BB |
2831 | boolean_t temphold = B_FALSE; |
2832 | const char *opts = holding ? "rt" : "r"; | |
45d1cae3 | 2833 | int c; |
45d1cae3 BB |
2834 | |
2835 | /* check options */ | |
428870ff | 2836 | while ((c = getopt(argc, argv, opts)) != -1) { |
45d1cae3 BB |
2837 | switch (c) { |
2838 | case 'r': | |
2839 | recursive = B_TRUE; | |
2840 | break; | |
428870ff BB |
2841 | case 't': |
2842 | temphold = B_TRUE; | |
2843 | break; | |
45d1cae3 BB |
2844 | case '?': |
2845 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2846 | optopt); | |
2847 | usage(B_FALSE); | |
2848 | } | |
2849 | } | |
2850 | ||
2851 | argc -= optind; | |
2852 | argv += optind; | |
2853 | ||
2854 | /* check number of arguments */ | |
2855 | if (argc < 2) | |
2856 | usage(B_FALSE); | |
2857 | ||
2858 | tag = argv[0]; | |
2859 | --argc; | |
2860 | ++argv; | |
2861 | ||
428870ff BB |
2862 | if (holding && tag[0] == '.') { |
2863 | /* tags starting with '.' are reserved for libzfs */ | |
2864 | (void) fprintf(stderr, gettext("tag may not start with '.'\n")); | |
2865 | usage(B_FALSE); | |
45d1cae3 BB |
2866 | } |
2867 | ||
2868 | for (i = 0; i < argc; ++i) { | |
2869 | zfs_handle_t *zhp; | |
2870 | char parent[ZFS_MAXNAMELEN]; | |
2871 | const char *delim; | |
2872 | char *path = argv[i]; | |
2873 | ||
2874 | delim = strchr(path, '@'); | |
2875 | if (delim == NULL) { | |
2876 | (void) fprintf(stderr, | |
2877 | gettext("'%s' is not a snapshot\n"), path); | |
2878 | ++errors; | |
2879 | continue; | |
2880 | } | |
2881 | (void) strncpy(parent, path, delim - path); | |
2882 | parent[delim - path] = '\0'; | |
2883 | ||
2884 | zhp = zfs_open(g_zfs, parent, | |
2885 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
2886 | if (zhp == NULL) { | |
2887 | ++errors; | |
2888 | continue; | |
2889 | } | |
428870ff BB |
2890 | if (holding) { |
2891 | if (zfs_hold(zhp, delim+1, tag, recursive, | |
572e2857 | 2892 | temphold, B_FALSE, -1, 0, 0) != 0) |
428870ff BB |
2893 | ++errors; |
2894 | } else { | |
2895 | if (zfs_release(zhp, delim+1, tag, recursive) != 0) | |
2896 | ++errors; | |
2897 | } | |
45d1cae3 BB |
2898 | zfs_close(zhp); |
2899 | } | |
2900 | ||
2901 | return (errors != 0); | |
2902 | } | |
2903 | ||
2904 | /* | |
428870ff | 2905 | * zfs hold [-r] [-t] <tag> <snap> ... |
45d1cae3 | 2906 | * |
428870ff BB |
2907 | * -r Recursively hold |
2908 | * -t Temporary hold (hidden option) | |
45d1cae3 BB |
2909 | * |
2910 | * Apply a user-hold with the given tag to the list of snapshots. | |
2911 | */ | |
2912 | static int | |
2913 | zfs_do_hold(int argc, char **argv) | |
2914 | { | |
2915 | return (zfs_do_hold_rele_impl(argc, argv, B_TRUE)); | |
2916 | } | |
2917 | ||
2918 | /* | |
2919 | * zfs release [-r] <tag> <snap> ... | |
2920 | * | |
428870ff | 2921 | * -r Recursively release |
45d1cae3 BB |
2922 | * |
2923 | * Release a user-hold with the given tag from the list of snapshots. | |
2924 | */ | |
2925 | static int | |
2926 | zfs_do_release(int argc, char **argv) | |
2927 | { | |
2928 | return (zfs_do_hold_rele_impl(argc, argv, B_FALSE)); | |
2929 | } | |
2930 | ||
34dc7c2f BB |
2931 | #define CHECK_SPINNER 30 |
2932 | #define SPINNER_TIME 3 /* seconds */ | |
2933 | #define MOUNT_TIME 5 /* seconds */ | |
2934 | ||
2935 | static int | |
2936 | get_one_dataset(zfs_handle_t *zhp, void *data) | |
2937 | { | |
428870ff | 2938 | static char *spin[] = { "-", "\\", "|", "/" }; |
34dc7c2f BB |
2939 | static int spinval = 0; |
2940 | static int spincheck = 0; | |
2941 | static time_t last_spin_time = (time_t)0; | |
572e2857 | 2942 | get_all_cb_t *cbp = data; |
34dc7c2f BB |
2943 | zfs_type_t type = zfs_get_type(zhp); |
2944 | ||
2945 | if (cbp->cb_verbose) { | |
2946 | if (--spincheck < 0) { | |
2947 | time_t now = time(NULL); | |
2948 | if (last_spin_time + SPINNER_TIME < now) { | |
428870ff | 2949 | update_progress(spin[spinval++ % 4]); |
34dc7c2f BB |
2950 | last_spin_time = now; |
2951 | } | |
2952 | spincheck = CHECK_SPINNER; | |
2953 | } | |
2954 | } | |
2955 | ||
2956 | /* | |
2957 | * Interate over any nested datasets. | |
2958 | */ | |
572e2857 | 2959 | if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) { |
34dc7c2f BB |
2960 | zfs_close(zhp); |
2961 | return (1); | |
2962 | } | |
2963 | ||
2964 | /* | |
2965 | * Skip any datasets whose type does not match. | |
2966 | */ | |
572e2857 | 2967 | if ((type & ZFS_TYPE_FILESYSTEM) == 0) { |
34dc7c2f BB |
2968 | zfs_close(zhp); |
2969 | return (0); | |
2970 | } | |
572e2857 BB |
2971 | libzfs_add_handle(cbp, zhp); |
2972 | assert(cbp->cb_used <= cbp->cb_alloc); | |
34dc7c2f BB |
2973 | |
2974 | return (0); | |
2975 | } | |
2976 | ||
2977 | static void | |
572e2857 | 2978 | get_all_datasets(zfs_handle_t ***dslist, size_t *count, boolean_t verbose) |
34dc7c2f | 2979 | { |
572e2857 | 2980 | get_all_cb_t cb = { 0 }; |
34dc7c2f | 2981 | cb.cb_verbose = verbose; |
572e2857 | 2982 | cb.cb_getone = get_one_dataset; |
34dc7c2f | 2983 | |
428870ff BB |
2984 | if (verbose) |
2985 | set_progress_header(gettext("Reading ZFS config")); | |
34dc7c2f BB |
2986 | (void) zfs_iter_root(g_zfs, get_one_dataset, &cb); |
2987 | ||
2988 | *dslist = cb.cb_handles; | |
2989 | *count = cb.cb_used; | |
2990 | ||
428870ff BB |
2991 | if (verbose) |
2992 | finish_progress(gettext("done.")); | |
34dc7c2f BB |
2993 | } |
2994 | ||
34dc7c2f BB |
2995 | /* |
2996 | * Generic callback for sharing or mounting filesystems. Because the code is so | |
2997 | * similar, we have a common function with an extra parameter to determine which | |
2998 | * mode we are using. | |
2999 | */ | |
3000 | #define OP_SHARE 0x1 | |
3001 | #define OP_MOUNT 0x2 | |
3002 | ||
3003 | /* | |
3004 | * Share or mount a dataset. | |
3005 | */ | |
3006 | static int | |
3007 | share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol, | |
3008 | boolean_t explicit, const char *options) | |
3009 | { | |
3010 | char mountpoint[ZFS_MAXPROPLEN]; | |
3011 | char shareopts[ZFS_MAXPROPLEN]; | |
3012 | char smbshareopts[ZFS_MAXPROPLEN]; | |
3013 | const char *cmdname = op == OP_SHARE ? "share" : "mount"; | |
3014 | struct mnttab mnt; | |
3015 | uint64_t zoned, canmount; | |
34dc7c2f BB |
3016 | boolean_t shared_nfs, shared_smb; |
3017 | ||
572e2857 | 3018 | assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM); |
34dc7c2f | 3019 | |
572e2857 BB |
3020 | /* |
3021 | * Check to make sure we can mount/share this dataset. If we | |
3022 | * are in the global zone and the filesystem is exported to a | |
3023 | * local zone, or if we are in a local zone and the | |
3024 | * filesystem is not exported, then it is an error. | |
3025 | */ | |
3026 | zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); | |
34dc7c2f | 3027 | |
572e2857 BB |
3028 | if (zoned && getzoneid() == GLOBAL_ZONEID) { |
3029 | if (!explicit) | |
3030 | return (0); | |
34dc7c2f | 3031 | |
572e2857 BB |
3032 | (void) fprintf(stderr, gettext("cannot %s '%s': " |
3033 | "dataset is exported to a local zone\n"), cmdname, | |
3034 | zfs_get_name(zhp)); | |
3035 | return (1); | |
34dc7c2f | 3036 | |
572e2857 BB |
3037 | } else if (!zoned && getzoneid() != GLOBAL_ZONEID) { |
3038 | if (!explicit) | |
3039 | return (0); | |
34dc7c2f | 3040 | |
572e2857 BB |
3041 | (void) fprintf(stderr, gettext("cannot %s '%s': " |
3042 | "permission denied\n"), cmdname, | |
3043 | zfs_get_name(zhp)); | |
3044 | return (1); | |
3045 | } | |
34dc7c2f | 3046 | |
572e2857 BB |
3047 | /* |
3048 | * Ignore any filesystems which don't apply to us. This | |
3049 | * includes those with a legacy mountpoint, or those with | |
3050 | * legacy share options. | |
3051 | */ | |
3052 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, | |
3053 | sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0); | |
3054 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts, | |
3055 | sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0); | |
3056 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts, | |
3057 | sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0); | |
3058 | ||
3059 | if (op == OP_SHARE && strcmp(shareopts, "off") == 0 && | |
3060 | strcmp(smbshareopts, "off") == 0) { | |
3061 | if (!explicit) | |
3062 | return (0); | |
34dc7c2f | 3063 | |
572e2857 BB |
3064 | (void) fprintf(stderr, gettext("cannot share '%s': " |
3065 | "legacy share\n"), zfs_get_name(zhp)); | |
3066 | (void) fprintf(stderr, gettext("use share(1M) to " | |
3067 | "share this filesystem, or set " | |
3068 | "sharenfs property on\n")); | |
3069 | return (1); | |
3070 | } | |
34dc7c2f | 3071 | |
572e2857 BB |
3072 | /* |
3073 | * We cannot share or mount legacy filesystems. If the | |
3074 | * shareopts is non-legacy but the mountpoint is legacy, we | |
3075 | * treat it as a legacy share. | |
3076 | */ | |
3077 | if (strcmp(mountpoint, "legacy") == 0) { | |
3078 | if (!explicit) | |
3079 | return (0); | |
34dc7c2f | 3080 | |
572e2857 BB |
3081 | (void) fprintf(stderr, gettext("cannot %s '%s': " |
3082 | "legacy mountpoint\n"), cmdname, zfs_get_name(zhp)); | |
3083 | (void) fprintf(stderr, gettext("use %s(1M) to " | |
3084 | "%s this filesystem\n"), cmdname, cmdname); | |
3085 | return (1); | |
3086 | } | |
34dc7c2f | 3087 | |
572e2857 BB |
3088 | if (strcmp(mountpoint, "none") == 0) { |
3089 | if (!explicit) | |
3090 | return (0); | |
34dc7c2f | 3091 | |
572e2857 BB |
3092 | (void) fprintf(stderr, gettext("cannot %s '%s': no " |
3093 | "mountpoint set\n"), cmdname, zfs_get_name(zhp)); | |
3094 | return (1); | |
3095 | } | |
34dc7c2f | 3096 | |
572e2857 BB |
3097 | /* |
3098 | * canmount explicit outcome | |
3099 | * on no pass through | |
3100 | * on yes pass through | |
3101 | * off no return 0 | |
3102 | * off yes display error, return 1 | |
3103 | * noauto no return 0 | |
3104 | * noauto yes pass through | |
3105 | */ | |
3106 | canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); | |
3107 | if (canmount == ZFS_CANMOUNT_OFF) { | |
3108 | if (!explicit) | |
3109 | return (0); | |
3110 | ||
3111 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
3112 | "'canmount' property is set to 'off'\n"), cmdname, | |
3113 | zfs_get_name(zhp)); | |
3114 | return (1); | |
3115 | } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) { | |
3116 | return (0); | |
3117 | } | |
3118 | ||
3119 | /* | |
3120 | * At this point, we have verified that the mountpoint and/or | |
3121 | * shareopts are appropriate for auto management. If the | |
3122 | * filesystem is already mounted or shared, return (failing | |
3123 | * for explicit requests); otherwise mount or share the | |
3124 | * filesystem. | |
3125 | */ | |
3126 | switch (op) { | |
3127 | case OP_SHARE: | |
3128 | ||
3129 | shared_nfs = zfs_is_shared_nfs(zhp, NULL); | |
3130 | shared_smb = zfs_is_shared_smb(zhp, NULL); | |
3131 | ||
149e873a BB |
3132 | if ((shared_nfs && shared_smb) || |
3133 | ((shared_nfs && strcmp(shareopts, "on") == 0) && | |
3134 | (strcmp(smbshareopts, "off") == 0)) || | |
3135 | ((shared_smb && strcmp(smbshareopts, "on") == 0) && | |
3136 | (strcmp(shareopts, "off") == 0))) { | |
34dc7c2f BB |
3137 | if (!explicit) |
3138 | return (0); | |
3139 | ||
572e2857 BB |
3140 | (void) fprintf(stderr, gettext("cannot share " |
3141 | "'%s': filesystem already shared\n"), | |
34dc7c2f BB |
3142 | zfs_get_name(zhp)); |
3143 | return (1); | |
34dc7c2f BB |
3144 | } |
3145 | ||
572e2857 BB |
3146 | if (!zfs_is_mounted(zhp, NULL) && |
3147 | zfs_mount(zhp, NULL, 0) != 0) | |
3148 | return (1); | |
34dc7c2f | 3149 | |
572e2857 BB |
3150 | if (protocol == NULL) { |
3151 | if (zfs_shareall(zhp) != 0) | |
34dc7c2f | 3152 | return (1); |
572e2857 BB |
3153 | } else if (strcmp(protocol, "nfs") == 0) { |
3154 | if (zfs_share_nfs(zhp)) | |
34dc7c2f | 3155 | return (1); |
572e2857 BB |
3156 | } else if (strcmp(protocol, "smb") == 0) { |
3157 | if (zfs_share_smb(zhp)) | |
34dc7c2f | 3158 | return (1); |
572e2857 BB |
3159 | } else { |
3160 | (void) fprintf(stderr, gettext("cannot share " | |
3161 | "'%s': invalid share type '%s' " | |
3162 | "specified\n"), | |
3163 | zfs_get_name(zhp), protocol); | |
3164 | return (1); | |
3165 | } | |
34dc7c2f | 3166 | |
572e2857 | 3167 | break; |
34dc7c2f | 3168 | |
572e2857 BB |
3169 | case OP_MOUNT: |
3170 | if (options == NULL) | |
3171 | mnt.mnt_mntopts = ""; | |
3172 | else | |
3173 | mnt.mnt_mntopts = (char *)options; | |
34dc7c2f | 3174 | |
572e2857 BB |
3175 | if (!hasmntopt(&mnt, MNTOPT_REMOUNT) && |
3176 | zfs_is_mounted(zhp, NULL)) { | |
3177 | if (!explicit) | |
3178 | return (0); | |
34dc7c2f | 3179 | |
572e2857 BB |
3180 | (void) fprintf(stderr, gettext("cannot mount " |
3181 | "'%s': filesystem already mounted\n"), | |
3182 | zfs_get_name(zhp)); | |
3183 | return (1); | |
34dc7c2f | 3184 | } |
572e2857 BB |
3185 | |
3186 | if (zfs_mount(zhp, options, flags) != 0) | |
3187 | return (1); | |
3188 | break; | |
3189 | } | |
34dc7c2f | 3190 | |
34dc7c2f BB |
3191 | return (0); |
3192 | } | |
3193 | ||
3194 | /* | |
3195 | * Reports progress in the form "(current/total)". Not thread-safe. | |
3196 | */ | |
3197 | static void | |
3198 | report_mount_progress(int current, int total) | |
3199 | { | |
428870ff | 3200 | static time_t last_progress_time = 0; |
34dc7c2f | 3201 | time_t now = time(NULL); |
428870ff | 3202 | char info[32]; |
34dc7c2f BB |
3203 | |
3204 | /* report 1..n instead of 0..n-1 */ | |
3205 | ++current; | |
3206 | ||
3207 | /* display header if we're here for the first time */ | |
3208 | if (current == 1) { | |
428870ff | 3209 | set_progress_header(gettext("Mounting ZFS filesystems")); |
34dc7c2f BB |
3210 | } else if (current != total && last_progress_time + MOUNT_TIME >= now) { |
3211 | /* too soon to report again */ | |
3212 | return; | |
3213 | } | |
3214 | ||
3215 | last_progress_time = now; | |
3216 | ||
428870ff | 3217 | (void) sprintf(info, "(%d/%d)", current, total); |
34dc7c2f | 3218 | |
428870ff BB |
3219 | if (current == total) |
3220 | finish_progress(info); | |
3221 | else | |
3222 | update_progress(info); | |
34dc7c2f BB |
3223 | } |
3224 | ||
3225 | static void | |
3226 | append_options(char *mntopts, char *newopts) | |
3227 | { | |
3228 | int len = strlen(mntopts); | |
3229 | ||
3230 | /* original length plus new string to append plus 1 for the comma */ | |
3231 | if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) { | |
3232 | (void) fprintf(stderr, gettext("the opts argument for " | |
d6320ddb | 3233 | "'%s' option is too long (more than %d chars)\n"), |
34dc7c2f BB |
3234 | "-o", MNT_LINE_MAX); |
3235 | usage(B_FALSE); | |
3236 | } | |
3237 | ||
3238 | if (*mntopts) | |
3239 | mntopts[len++] = ','; | |
3240 | ||
3241 | (void) strcpy(&mntopts[len], newopts); | |
3242 | } | |
3243 | ||
3244 | static int | |
3245 | share_mount(int op, int argc, char **argv) | |
3246 | { | |
3247 | int do_all = 0; | |
3248 | boolean_t verbose = B_FALSE; | |
3249 | int c, ret = 0; | |
3250 | char *options = NULL; | |
572e2857 | 3251 | int flags = 0; |
34dc7c2f BB |
3252 | |
3253 | /* check options */ | |
3fb1fcde | 3254 | while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:" : "a")) |
34dc7c2f BB |
3255 | != -1) { |
3256 | switch (c) { | |
3257 | case 'a': | |
3258 | do_all = 1; | |
3259 | break; | |
3260 | case 'v': | |
3261 | verbose = B_TRUE; | |
3262 | break; | |
3263 | case 'o': | |
3264 | if (*optarg == '\0') { | |
3265 | (void) fprintf(stderr, gettext("empty mount " | |
3266 | "options (-o) specified\n")); | |
3267 | usage(B_FALSE); | |
3268 | } | |
3269 | ||
3270 | if (options == NULL) | |
3271 | options = safe_malloc(MNT_LINE_MAX + 1); | |
3272 | ||
3273 | /* option validation is done later */ | |
3274 | append_options(options, optarg); | |
3275 | break; | |
3276 | ||
34dc7c2f BB |
3277 | case ':': |
3278 | (void) fprintf(stderr, gettext("missing argument for " | |
3279 | "'%c' option\n"), optopt); | |
3280 | usage(B_FALSE); | |
3281 | break; | |
3282 | case '?': | |
3283 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3284 | optopt); | |
3285 | usage(B_FALSE); | |
3286 | } | |
3287 | } | |
3288 | ||
3289 | argc -= optind; | |
3290 | argv += optind; | |
3291 | ||
3292 | /* check number of arguments */ | |
3293 | if (do_all) { | |
3294 | zfs_handle_t **dslist = NULL; | |
3295 | size_t i, count = 0; | |
3296 | char *protocol = NULL; | |
3297 | ||
572e2857 BB |
3298 | if (op == OP_SHARE && argc > 0) { |
3299 | if (strcmp(argv[0], "nfs") != 0 && | |
3300 | strcmp(argv[0], "smb") != 0) { | |
34dc7c2f | 3301 | (void) fprintf(stderr, gettext("share type " |
428870ff | 3302 | "must be 'nfs' or 'smb'\n")); |
34dc7c2f BB |
3303 | usage(B_FALSE); |
3304 | } | |
3305 | protocol = argv[0]; | |
3306 | argc--; | |
3307 | argv++; | |
34dc7c2f BB |
3308 | } |
3309 | ||
3310 | if (argc != 0) { | |
3311 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3312 | usage(B_FALSE); | |
3313 | } | |
3314 | ||
428870ff | 3315 | start_progress_timer(); |
572e2857 | 3316 | get_all_datasets(&dslist, &count, verbose); |
34dc7c2f BB |
3317 | |
3318 | if (count == 0) | |
3319 | return (0); | |
3320 | ||
572e2857 | 3321 | qsort(dslist, count, sizeof (void *), libzfs_dataset_cmp); |
34dc7c2f BB |
3322 | |
3323 | for (i = 0; i < count; i++) { | |
3324 | if (verbose) | |
3325 | report_mount_progress(i, count); | |
3326 | ||
3327 | if (share_mount_one(dslist[i], op, flags, protocol, | |
3328 | B_FALSE, options) != 0) | |
3329 | ret = 1; | |
3330 | zfs_close(dslist[i]); | |
3331 | } | |
3332 | ||
3333 | free(dslist); | |
3334 | } else if (argc == 0) { | |
3335 | struct mnttab entry; | |
3336 | ||
3337 | if ((op == OP_SHARE) || (options != NULL)) { | |
3338 | (void) fprintf(stderr, gettext("missing filesystem " | |
3339 | "argument (specify -a for all)\n")); | |
3340 | usage(B_FALSE); | |
3341 | } | |
3342 | ||
3343 | /* | |
9a616b5d | 3344 | * When mount is given no arguments, go through /etc/mtab and |
34dc7c2f BB |
3345 | * display any active ZFS mounts. We hide any snapshots, since |
3346 | * they are controlled automatically. | |
3347 | */ | |
3348 | rewind(mnttab_file); | |
3349 | while (getmntent(mnttab_file, &entry) == 0) { | |
3350 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 || | |
3351 | strchr(entry.mnt_special, '@') != NULL) | |
3352 | continue; | |
3353 | ||
3354 | (void) printf("%-30s %s\n", entry.mnt_special, | |
3355 | entry.mnt_mountp); | |
3356 | } | |
3357 | ||
3358 | } else { | |
3359 | zfs_handle_t *zhp; | |
3360 | ||
34dc7c2f BB |
3361 | if (argc > 1) { |
3362 | (void) fprintf(stderr, | |
3363 | gettext("too many arguments\n")); | |
3364 | usage(B_FALSE); | |
3365 | } | |
3366 | ||
572e2857 BB |
3367 | if ((zhp = zfs_open(g_zfs, argv[0], |
3368 | ZFS_TYPE_FILESYSTEM)) == NULL) { | |
34dc7c2f BB |
3369 | ret = 1; |
3370 | } else { | |
3371 | ret = share_mount_one(zhp, op, flags, NULL, B_TRUE, | |
3372 | options); | |
3373 | zfs_close(zhp); | |
3374 | } | |
3375 | } | |
3376 | ||
3377 | return (ret); | |
3378 | } | |
3379 | ||
3380 | /* | |
428870ff | 3381 | * zfs mount -a [nfs] |
34dc7c2f BB |
3382 | * zfs mount filesystem |
3383 | * | |
3384 | * Mount all filesystems, or mount the given filesystem. | |
3385 | */ | |
3386 | static int | |
3387 | zfs_do_mount(int argc, char **argv) | |
3388 | { | |
3389 | return (share_mount(OP_MOUNT, argc, argv)); | |
3390 | } | |
3391 | ||
3392 | /* | |
428870ff | 3393 | * zfs share -a [nfs | smb] |
34dc7c2f BB |
3394 | * zfs share filesystem |
3395 | * | |
3396 | * Share all filesystems, or share the given filesystem. | |
3397 | */ | |
3398 | static int | |
3399 | zfs_do_share(int argc, char **argv) | |
3400 | { | |
3401 | return (share_mount(OP_SHARE, argc, argv)); | |
3402 | } | |
3403 | ||
3404 | typedef struct unshare_unmount_node { | |
3405 | zfs_handle_t *un_zhp; | |
3406 | char *un_mountp; | |
3407 | uu_avl_node_t un_avlnode; | |
3408 | } unshare_unmount_node_t; | |
3409 | ||
3410 | /* ARGSUSED */ | |
3411 | static int | |
3412 | unshare_unmount_compare(const void *larg, const void *rarg, void *unused) | |
3413 | { | |
3414 | const unshare_unmount_node_t *l = larg; | |
3415 | const unshare_unmount_node_t *r = rarg; | |
3416 | ||
3417 | return (strcmp(l->un_mountp, r->un_mountp)); | |
3418 | } | |
3419 | ||
3420 | /* | |
3421 | * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an | |
9a616b5d | 3422 | * absolute path, find the entry /etc/mtab, verify that its a ZFS filesystem, |
34dc7c2f BB |
3423 | * and unmount it appropriately. |
3424 | */ | |
3425 | static int | |
3426 | unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) | |
3427 | { | |
3428 | zfs_handle_t *zhp; | |
3429 | int ret; | |
3430 | struct stat64 statbuf; | |
3431 | struct extmnttab entry; | |
3432 | const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount"; | |
3433 | ino_t path_inode; | |
3434 | ||
3435 | /* | |
9a616b5d | 3436 | * Search for the path in /etc/mtab. Rather than looking for the |
34dc7c2f BB |
3437 | * specific path, which can be fooled by non-standard paths (i.e. ".." |
3438 | * or "//"), we stat() the path and search for the corresponding | |
3439 | * (major,minor) device pair. | |
3440 | */ | |
3441 | if (stat64(path, &statbuf) != 0) { | |
3442 | (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), | |
3443 | cmdname, path, strerror(errno)); | |
3444 | return (1); | |
3445 | } | |
3446 | path_inode = statbuf.st_ino; | |
3447 | ||
3448 | /* | |
3449 | * Search for the given (major,minor) pair in the mount table. | |
3450 | */ | |
3451 | rewind(mnttab_file); | |
3452 | while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) { | |
3453 | if (entry.mnt_major == major(statbuf.st_dev) && | |
3454 | entry.mnt_minor == minor(statbuf.st_dev)) | |
3455 | break; | |
3456 | } | |
3457 | if (ret != 0) { | |
3458 | if (op == OP_SHARE) { | |
3459 | (void) fprintf(stderr, gettext("cannot %s '%s': not " | |
3460 | "currently mounted\n"), cmdname, path); | |
3461 | return (1); | |
3462 | } | |
9a616b5d | 3463 | (void) fprintf(stderr, gettext("warning: %s not in mtab\n"), |
34dc7c2f BB |
3464 | path); |
3465 | if ((ret = umount2(path, flags)) != 0) | |
3466 | (void) fprintf(stderr, gettext("%s: %s\n"), path, | |
3467 | strerror(errno)); | |
3468 | return (ret != 0); | |
3469 | } | |
3470 | ||
3471 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { | |
3472 | (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS " | |
3473 | "filesystem\n"), cmdname, path); | |
3474 | return (1); | |
3475 | } | |
3476 | ||
3477 | if ((zhp = zfs_open(g_zfs, entry.mnt_special, | |
3478 | ZFS_TYPE_FILESYSTEM)) == NULL) | |
3479 | return (1); | |
3480 | ||
34dc7c2f | 3481 | ret = 1; |
b128c09f BB |
3482 | if (stat64(entry.mnt_mountp, &statbuf) != 0) { |
3483 | (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), | |
3484 | cmdname, path, strerror(errno)); | |
3485 | goto out; | |
3486 | } else if (statbuf.st_ino != path_inode) { | |
3487 | (void) fprintf(stderr, gettext("cannot " | |
3488 | "%s '%s': not a mountpoint\n"), cmdname, path); | |
3489 | goto out; | |
3490 | } | |
3491 | ||
34dc7c2f BB |
3492 | if (op == OP_SHARE) { |
3493 | char nfs_mnt_prop[ZFS_MAXPROPLEN]; | |
3494 | char smbshare_prop[ZFS_MAXPROPLEN]; | |
3495 | ||
3496 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop, | |
3497 | sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0); | |
3498 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop, | |
3499 | sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0); | |
3500 | ||
3501 | if (strcmp(nfs_mnt_prop, "off") == 0 && | |
3502 | strcmp(smbshare_prop, "off") == 0) { | |
3503 | (void) fprintf(stderr, gettext("cannot unshare " | |
3504 | "'%s': legacy share\n"), path); | |
9a616b5d BB |
3505 | (void) fprintf(stderr, gettext("use exportfs(8) " |
3506 | "or smbcontrol(1) to unshare this filesystem\n")); | |
34dc7c2f BB |
3507 | } else if (!zfs_is_shared(zhp)) { |
3508 | (void) fprintf(stderr, gettext("cannot unshare '%s': " | |
3509 | "not currently shared\n"), path); | |
3510 | } else { | |
3511 | ret = zfs_unshareall_bypath(zhp, path); | |
3512 | } | |
3513 | } else { | |
3514 | char mtpt_prop[ZFS_MAXPROPLEN]; | |
3515 | ||
3516 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop, | |
3517 | sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0); | |
3518 | ||
b128c09f | 3519 | if (is_manual) { |
34dc7c2f BB |
3520 | ret = zfs_unmount(zhp, NULL, flags); |
3521 | } else if (strcmp(mtpt_prop, "legacy") == 0) { | |
3522 | (void) fprintf(stderr, gettext("cannot unmount " | |
3523 | "'%s': legacy mountpoint\n"), | |
3524 | zfs_get_name(zhp)); | |
9a616b5d | 3525 | (void) fprintf(stderr, gettext("use umount(8) " |
34dc7c2f BB |
3526 | "to unmount this filesystem\n")); |
3527 | } else { | |
3528 | ret = zfs_unmountall(zhp, flags); | |
3529 | } | |
3530 | } | |
3531 | ||
b128c09f | 3532 | out: |
34dc7c2f BB |
3533 | zfs_close(zhp); |
3534 | ||
3535 | return (ret != 0); | |
3536 | } | |
3537 | ||
3538 | /* | |
3539 | * Generic callback for unsharing or unmounting a filesystem. | |
3540 | */ | |
3541 | static int | |
3542 | unshare_unmount(int op, int argc, char **argv) | |
3543 | { | |
3544 | int do_all = 0; | |
3545 | int flags = 0; | |
3546 | int ret = 0; | |
572e2857 | 3547 | int c; |
34dc7c2f | 3548 | zfs_handle_t *zhp; |
428870ff | 3549 | char nfs_mnt_prop[ZFS_MAXPROPLEN]; |
34dc7c2f BB |
3550 | char sharesmb[ZFS_MAXPROPLEN]; |
3551 | ||
3552 | /* check options */ | |
3553 | while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) { | |
3554 | switch (c) { | |
3555 | case 'a': | |
3556 | do_all = 1; | |
3557 | break; | |
3558 | case 'f': | |
3559 | flags = MS_FORCE; | |
3560 | break; | |
3561 | case '?': | |
3562 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3563 | optopt); | |
3564 | usage(B_FALSE); | |
3565 | } | |
3566 | } | |
3567 | ||
3568 | argc -= optind; | |
3569 | argv += optind; | |
3570 | ||
3571 | if (do_all) { | |
3572 | /* | |
3573 | * We could make use of zfs_for_each() to walk all datasets in | |
3574 | * the system, but this would be very inefficient, especially | |
9a616b5d BB |
3575 | * since we would have to linearly search /etc/mtab for each |
3576 | * one. Instead, do one pass through /etc/mtab looking for | |
34dc7c2f BB |
3577 | * zfs entries and call zfs_unmount() for each one. |
3578 | * | |
3579 | * Things get a little tricky if the administrator has created | |
3580 | * mountpoints beneath other ZFS filesystems. In this case, we | |
3581 | * have to unmount the deepest filesystems first. To accomplish | |
3582 | * this, we place all the mountpoints in an AVL tree sorted by | |
3583 | * the special type (dataset name), and walk the result in | |
3584 | * reverse to make sure to get any snapshots first. | |
3585 | */ | |
3586 | struct mnttab entry; | |
3587 | uu_avl_pool_t *pool; | |
149e873a | 3588 | uu_avl_t *tree = NULL; |
34dc7c2f BB |
3589 | unshare_unmount_node_t *node; |
3590 | uu_avl_index_t idx; | |
3591 | uu_avl_walk_t *walk; | |
3592 | ||
3593 | if (argc != 0) { | |
3594 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3595 | usage(B_FALSE); | |
3596 | } | |
3597 | ||
428870ff | 3598 | if (((pool = uu_avl_pool_create("unmount_pool", |
34dc7c2f BB |
3599 | sizeof (unshare_unmount_node_t), |
3600 | offsetof(unshare_unmount_node_t, un_avlnode), | |
428870ff BB |
3601 | unshare_unmount_compare, UU_DEFAULT)) == NULL) || |
3602 | ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL)) | |
3603 | nomem(); | |
34dc7c2f BB |
3604 | |
3605 | rewind(mnttab_file); | |
3606 | while (getmntent(mnttab_file, &entry) == 0) { | |
3607 | ||
3608 | /* ignore non-ZFS entries */ | |
3609 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) | |
3610 | continue; | |
3611 | ||
3612 | /* ignore snapshots */ | |
3613 | if (strchr(entry.mnt_special, '@') != NULL) | |
3614 | continue; | |
3615 | ||
3616 | if ((zhp = zfs_open(g_zfs, entry.mnt_special, | |
3617 | ZFS_TYPE_FILESYSTEM)) == NULL) { | |
3618 | ret = 1; | |
3619 | continue; | |
3620 | } | |
3621 | ||
3622 | switch (op) { | |
3623 | case OP_SHARE: | |
3624 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, | |
428870ff BB |
3625 | nfs_mnt_prop, |
3626 | sizeof (nfs_mnt_prop), | |
34dc7c2f | 3627 | NULL, NULL, 0, B_FALSE) == 0); |
428870ff | 3628 | if (strcmp(nfs_mnt_prop, "off") != 0) |
34dc7c2f BB |
3629 | break; |
3630 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, | |
428870ff BB |
3631 | nfs_mnt_prop, |
3632 | sizeof (nfs_mnt_prop), | |
34dc7c2f | 3633 | NULL, NULL, 0, B_FALSE) == 0); |
428870ff | 3634 | if (strcmp(nfs_mnt_prop, "off") == 0) |
34dc7c2f BB |
3635 | continue; |
3636 | break; | |
3637 | case OP_MOUNT: | |
3638 | /* Ignore legacy mounts */ | |
3639 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, | |
428870ff BB |
3640 | nfs_mnt_prop, |
3641 | sizeof (nfs_mnt_prop), | |
34dc7c2f | 3642 | NULL, NULL, 0, B_FALSE) == 0); |
428870ff | 3643 | if (strcmp(nfs_mnt_prop, "legacy") == 0) |
34dc7c2f BB |
3644 | continue; |
3645 | /* Ignore canmount=noauto mounts */ | |
3646 | if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == | |
3647 | ZFS_CANMOUNT_NOAUTO) | |
3648 | continue; | |
3649 | default: | |
3650 | break; | |
3651 | } | |
3652 | ||
3653 | node = safe_malloc(sizeof (unshare_unmount_node_t)); | |
3654 | node->un_zhp = zhp; | |
428870ff | 3655 | node->un_mountp = safe_strdup(entry.mnt_mountp); |
34dc7c2f BB |
3656 | |
3657 | uu_avl_node_init(node, &node->un_avlnode, pool); | |
3658 | ||
3659 | if (uu_avl_find(tree, node, NULL, &idx) == NULL) { | |
3660 | uu_avl_insert(tree, node, idx); | |
3661 | } else { | |
3662 | zfs_close(node->un_zhp); | |
3663 | free(node->un_mountp); | |
3664 | free(node); | |
3665 | } | |
3666 | } | |
3667 | ||
3668 | /* | |
3669 | * Walk the AVL tree in reverse, unmounting each filesystem and | |
3670 | * removing it from the AVL tree in the process. | |
3671 | */ | |
3672 | if ((walk = uu_avl_walk_start(tree, | |
428870ff BB |
3673 | UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL) |
3674 | nomem(); | |
34dc7c2f BB |
3675 | |
3676 | while ((node = uu_avl_walk_next(walk)) != NULL) { | |
3677 | uu_avl_remove(tree, node); | |
3678 | ||
3679 | switch (op) { | |
3680 | case OP_SHARE: | |
3681 | if (zfs_unshareall_bypath(node->un_zhp, | |
3682 | node->un_mountp) != 0) | |
3683 | ret = 1; | |
3684 | break; | |
3685 | ||
3686 | case OP_MOUNT: | |
3687 | if (zfs_unmount(node->un_zhp, | |
3688 | node->un_mountp, flags) != 0) | |
3689 | ret = 1; | |
3690 | break; | |
3691 | } | |
3692 | ||
3693 | zfs_close(node->un_zhp); | |
3694 | free(node->un_mountp); | |
3695 | free(node); | |
3696 | } | |
3697 | ||
3698 | uu_avl_walk_end(walk); | |
3699 | uu_avl_destroy(tree); | |
3700 | uu_avl_pool_destroy(pool); | |
3701 | ||
34dc7c2f BB |
3702 | } else { |
3703 | if (argc != 1) { | |
3704 | if (argc == 0) | |
3705 | (void) fprintf(stderr, | |
3706 | gettext("missing filesystem argument\n")); | |
3707 | else | |
3708 | (void) fprintf(stderr, | |
3709 | gettext("too many arguments\n")); | |
3710 | usage(B_FALSE); | |
3711 | } | |
3712 | ||
3713 | /* | |
3714 | * We have an argument, but it may be a full path or a ZFS | |
3715 | * filesystem. Pass full paths off to unmount_path() (shared by | |
3716 | * manual_unmount), otherwise open the filesystem and pass to | |
3717 | * zfs_unmount(). | |
3718 | */ | |
3719 | if (argv[0][0] == '/') | |
3720 | return (unshare_unmount_path(op, argv[0], | |
3721 | flags, B_FALSE)); | |
3722 | ||
572e2857 BB |
3723 | if ((zhp = zfs_open(g_zfs, argv[0], |
3724 | ZFS_TYPE_FILESYSTEM)) == NULL) | |
34dc7c2f BB |
3725 | return (1); |
3726 | ||
572e2857 BB |
3727 | verify(zfs_prop_get(zhp, op == OP_SHARE ? |
3728 | ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT, | |
3729 | nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL, | |
3730 | NULL, 0, B_FALSE) == 0); | |
34dc7c2f | 3731 | |
572e2857 BB |
3732 | switch (op) { |
3733 | case OP_SHARE: | |
3734 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, | |
3735 | nfs_mnt_prop, | |
3736 | sizeof (nfs_mnt_prop), | |
3737 | NULL, NULL, 0, B_FALSE) == 0); | |
3738 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, | |
3739 | sharesmb, sizeof (sharesmb), NULL, NULL, | |
3740 | 0, B_FALSE) == 0); | |
3741 | ||
3742 | if (strcmp(nfs_mnt_prop, "off") == 0 && | |
3743 | strcmp(sharesmb, "off") == 0) { | |
3744 | (void) fprintf(stderr, gettext("cannot " | |
3745 | "unshare '%s': legacy share\n"), | |
3746 | zfs_get_name(zhp)); | |
3747 | (void) fprintf(stderr, gettext("use " | |
3748 | "unshare(1M) to unshare this " | |
3749 | "filesystem\n")); | |
3750 | ret = 1; | |
3751 | } else if (!zfs_is_shared(zhp)) { | |
3752 | (void) fprintf(stderr, gettext("cannot " | |
3753 | "unshare '%s': not currently " | |
3754 | "shared\n"), zfs_get_name(zhp)); | |
3755 | ret = 1; | |
3756 | } else if (zfs_unshareall(zhp) != 0) { | |
3757 | ret = 1; | |
3758 | } | |
3759 | break; | |
34dc7c2f | 3760 | |
572e2857 BB |
3761 | case OP_MOUNT: |
3762 | if (strcmp(nfs_mnt_prop, "legacy") == 0) { | |
3763 | (void) fprintf(stderr, gettext("cannot " | |
3764 | "unmount '%s': legacy " | |
3765 | "mountpoint\n"), zfs_get_name(zhp)); | |
3766 | (void) fprintf(stderr, gettext("use " | |
3767 | "umount(1M) to unmount this " | |
3768 | "filesystem\n")); | |
3769 | ret = 1; | |
3770 | } else if (!zfs_is_mounted(zhp, NULL)) { | |
3771 | (void) fprintf(stderr, gettext("cannot " | |
3772 | "unmount '%s': not currently " | |
3773 | "mounted\n"), | |
3774 | zfs_get_name(zhp)); | |
3775 | ret = 1; | |
3776 | } else if (zfs_unmountall(zhp, flags) != 0) { | |
3777 | ret = 1; | |
34dc7c2f | 3778 | } |
572e2857 | 3779 | break; |
34dc7c2f BB |
3780 | } |
3781 | ||
3782 | zfs_close(zhp); | |
3783 | } | |
3784 | ||
3785 | return (ret); | |
3786 | } | |
3787 | ||
3788 | /* | |
3789 | * zfs unmount -a | |
3790 | * zfs unmount filesystem | |
3791 | * | |
3792 | * Unmount all filesystems, or a specific ZFS filesystem. | |
3793 | */ | |
3794 | static int | |
3795 | zfs_do_unmount(int argc, char **argv) | |
3796 | { | |
3797 | return (unshare_unmount(OP_MOUNT, argc, argv)); | |
3798 | } | |
3799 | ||
3800 | /* | |
3801 | * zfs unshare -a | |
3802 | * zfs unshare filesystem | |
3803 | * | |
3804 | * Unshare all filesystems, or a specific ZFS filesystem. | |
3805 | */ | |
3806 | static int | |
3807 | zfs_do_unshare(int argc, char **argv) | |
3808 | { | |
3809 | return (unshare_unmount(OP_SHARE, argc, argv)); | |
3810 | } | |
3811 | ||
9babb374 BB |
3812 | /* ARGSUSED */ |
3813 | static int | |
3814 | zfs_do_python(int argc, char **argv) | |
3815 | { | |
3816 | (void) execv(pypath, argv-1); | |
3817 | (void) printf("internal error: %s not found\n", pypath); | |
3818 | return (-1); | |
3819 | } | |
3820 | ||
34dc7c2f BB |
3821 | static int |
3822 | find_command_idx(char *command, int *idx) | |
3823 | { | |
3824 | int i; | |
3825 | ||
3826 | for (i = 0; i < NCOMMAND; i++) { | |
3827 | if (command_table[i].name == NULL) | |
3828 | continue; | |
3829 | ||
3830 | if (strcmp(command, command_table[i].name) == 0) { | |
3831 | *idx = i; | |
3832 | return (0); | |
3833 | } | |
3834 | } | |
3835 | return (1); | |
3836 | } | |
3837 | ||
572e2857 BB |
3838 | static int |
3839 | zfs_do_diff(int argc, char **argv) | |
3840 | { | |
3841 | zfs_handle_t *zhp; | |
3842 | int flags = 0; | |
3843 | char *tosnap = NULL; | |
3844 | char *fromsnap = NULL; | |
3845 | char *atp, *copy; | |
3846 | int err; | |
3847 | int c; | |
3848 | ||
3849 | while ((c = getopt(argc, argv, "FHt")) != -1) { | |
3850 | switch (c) { | |
3851 | case 'F': | |
3852 | flags |= ZFS_DIFF_CLASSIFY; | |
3853 | break; | |
3854 | case 'H': | |
3855 | flags |= ZFS_DIFF_PARSEABLE; | |
3856 | break; | |
3857 | case 't': | |
3858 | flags |= ZFS_DIFF_TIMESTAMP; | |
3859 | break; | |
3860 | default: | |
3861 | (void) fprintf(stderr, | |
3862 | gettext("invalid option '%c'\n"), optopt); | |
3863 | usage(B_FALSE); | |
3864 | } | |
3865 | } | |
3866 | ||
3867 | argc -= optind; | |
3868 | argv += optind; | |
3869 | ||
3870 | if (argc < 1) { | |
3871 | (void) fprintf(stderr, | |
3872 | gettext("must provide at least one snapshot name\n")); | |
3873 | usage(B_FALSE); | |
3874 | } | |
3875 | ||
3876 | if (argc > 2) { | |
3877 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3878 | usage(B_FALSE); | |
3879 | } | |
3880 | ||
3881 | fromsnap = argv[0]; | |
3882 | tosnap = (argc == 2) ? argv[1] : NULL; | |
3883 | ||
3884 | copy = NULL; | |
3885 | if (*fromsnap != '@') | |
3886 | copy = strdup(fromsnap); | |
3887 | else if (tosnap) | |
3888 | copy = strdup(tosnap); | |
3889 | if (copy == NULL) | |
3890 | usage(B_FALSE); | |
3891 | ||
c65aa5b2 | 3892 | if ((atp = strchr(copy, '@'))) |
572e2857 BB |
3893 | *atp = '\0'; |
3894 | ||
3895 | if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) | |
3896 | return (1); | |
3897 | ||
3898 | free(copy); | |
3899 | ||
3900 | /* | |
3901 | * Ignore SIGPIPE so that the library can give us | |
3902 | * information on any failure | |
3903 | */ | |
3904 | (void) sigignore(SIGPIPE); | |
3905 | ||
3906 | err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags); | |
3907 | ||
3908 | zfs_close(zhp); | |
3909 | ||
3910 | return (err != 0); | |
3911 | } | |
3912 | ||
34dc7c2f BB |
3913 | int |
3914 | main(int argc, char **argv) | |
3915 | { | |
3916 | int ret; | |
d4ed6673 | 3917 | int i = 0; |
34dc7c2f BB |
3918 | char *cmdname; |
3919 | ||
3920 | (void) setlocale(LC_ALL, ""); | |
3921 | (void) textdomain(TEXT_DOMAIN); | |
3922 | ||
3923 | opterr = 0; | |
3924 | ||
34dc7c2f BB |
3925 | if ((mnttab_file = fopen(MNTTAB, "r")) == NULL) { |
3926 | (void) fprintf(stderr, gettext("internal error: unable to " | |
3927 | "open %s\n"), MNTTAB); | |
3928 | return (1); | |
3929 | } | |
3930 | ||
3931 | /* | |
d53368f6 | 3932 | * Make sure the user has specified some command. |
34dc7c2f | 3933 | */ |
d53368f6 BB |
3934 | if (argc < 2) { |
3935 | (void) fprintf(stderr, gettext("missing command\n")); | |
3936 | usage(B_FALSE); | |
3937 | } | |
34dc7c2f | 3938 | |
d53368f6 | 3939 | cmdname = argv[1]; |
34dc7c2f | 3940 | |
d53368f6 BB |
3941 | /* |
3942 | * The 'umount' command is an alias for 'unmount' | |
3943 | */ | |
3944 | if (strcmp(cmdname, "umount") == 0) | |
3945 | cmdname = "unmount"; | |
34dc7c2f | 3946 | |
d53368f6 BB |
3947 | /* |
3948 | * The 'recv' command is an alias for 'receive' | |
3949 | */ | |
3950 | if (strcmp(cmdname, "recv") == 0) | |
3951 | cmdname = "receive"; | |
34dc7c2f | 3952 | |
d53368f6 BB |
3953 | /* |
3954 | * Special case '-?' | |
3955 | */ | |
3956 | if ((strcmp(cmdname, "-?") == 0) || | |
3957 | (strcmp(cmdname, "--help") == 0)) | |
3958 | usage(B_TRUE); | |
34dc7c2f | 3959 | |
d53368f6 BB |
3960 | if ((g_zfs = libzfs_init()) == NULL) |
3961 | return (1); | |
9b020fd9 | 3962 | |
d53368f6 BB |
3963 | zpool_set_history_str("zfs", argc, argv, history_str); |
3964 | verify(zpool_stage_history(g_zfs, history_str) == 0); | |
9b020fd9 | 3965 | |
d53368f6 | 3966 | libzfs_print_on_error(g_zfs, B_TRUE); |
9b020fd9 | 3967 | |
d53368f6 BB |
3968 | /* |
3969 | * Run the appropriate command. | |
3970 | */ | |
3971 | libzfs_mnttab_cache(g_zfs, B_TRUE); | |
3972 | if (find_command_idx(cmdname, &i) == 0) { | |
3973 | current_command = &command_table[i]; | |
3974 | ret = command_table[i].func(argc - 1, argv + 1); | |
3975 | } else if (strchr(cmdname, '=') != NULL) { | |
3976 | verify(find_command_idx("set", &i) == 0); | |
3977 | current_command = &command_table[i]; | |
3978 | ret = command_table[i].func(argc, argv); | |
3979 | } else { | |
3980 | (void) fprintf(stderr, gettext("unrecognized " | |
3981 | "command '%s'\n"), cmdname); | |
3982 | usage(B_FALSE); | |
3983 | ret = 1; | |
34dc7c2f | 3984 | } |
d53368f6 BB |
3985 | libzfs_mnttab_cache(g_zfs, B_FALSE); |
3986 | libzfs_fini(g_zfs); | |
34dc7c2f BB |
3987 | |
3988 | (void) fclose(mnttab_file); | |
3989 | ||
34dc7c2f BB |
3990 | /* |
3991 | * The 'ZFS_ABORT' environment variable causes us to dump core on exit | |
3992 | * for the purposes of running ::findleaks. | |
3993 | */ | |
3994 | if (getenv("ZFS_ABORT") != NULL) { | |
3995 | (void) printf("dumping core by request\n"); | |
3996 | abort(); | |
3997 | } | |
3998 | ||
3999 | return (ret); | |
4000 | } |