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1 | /* | |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | ||
22 | /* | |
23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. | |
24 | * Copyright (c) 2011, 2019 by Delphix. All rights reserved. | |
25 | * Copyright 2012 Milan Jurik. All rights reserved. | |
26 | * Copyright (c) 2012, Joyent, Inc. All rights reserved. | |
27 | * Copyright (c) 2013 Steven Hartland. All rights reserved. | |
28 | * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>. | |
29 | * Copyright 2016 Nexenta Systems, Inc. | |
30 | * Copyright (c) 2018 Datto Inc. | |
31 | */ | |
32 | ||
33 | #include <assert.h> | |
34 | #include <ctype.h> | |
35 | #include <errno.h> | |
36 | #include <getopt.h> | |
37 | #include <libgen.h> | |
38 | #include <libintl.h> | |
39 | #include <libuutil.h> | |
40 | #include <libnvpair.h> | |
41 | #include <locale.h> | |
42 | #include <stddef.h> | |
43 | #include <stdio.h> | |
44 | #include <stdlib.h> | |
45 | #include <strings.h> | |
46 | #include <unistd.h> | |
47 | #include <fcntl.h> | |
48 | #include <zone.h> | |
49 | #include <grp.h> | |
50 | #include <pwd.h> | |
51 | #include <signal.h> | |
52 | #include <sys/debug.h> | |
53 | #include <sys/list.h> | |
54 | #include <sys/mkdev.h> | |
55 | #include <sys/mntent.h> | |
56 | #include <sys/mnttab.h> | |
57 | #include <sys/mount.h> | |
58 | #include <sys/stat.h> | |
59 | #include <sys/fs/zfs.h> | |
60 | #include <sys/systeminfo.h> | |
61 | #include <sys/types.h> | |
62 | #include <time.h> | |
63 | #include <sys/zfs_project.h> | |
64 | ||
65 | #include <libzfs.h> | |
66 | #include <libzfs_core.h> | |
67 | #include <zfs_prop.h> | |
68 | #include <zfs_deleg.h> | |
69 | #include <libzutil.h> | |
70 | #include <libuutil.h> | |
71 | #ifdef HAVE_IDMAP | |
72 | #include <aclutils.h> | |
73 | #include <directory.h> | |
74 | #endif /* HAVE_IDMAP */ | |
75 | ||
76 | #include "zfs_iter.h" | |
77 | #include "zfs_util.h" | |
78 | #include "zfs_comutil.h" | |
79 | #include "libzfs_impl.h" | |
80 | #include "zfs_projectutil.h" | |
81 | ||
82 | libzfs_handle_t *g_zfs; | |
83 | ||
84 | static FILE *mnttab_file; | |
85 | static char history_str[HIS_MAX_RECORD_LEN]; | |
86 | static boolean_t log_history = B_TRUE; | |
87 | ||
88 | static int zfs_do_clone(int argc, char **argv); | |
89 | static int zfs_do_create(int argc, char **argv); | |
90 | static int zfs_do_destroy(int argc, char **argv); | |
91 | static int zfs_do_get(int argc, char **argv); | |
92 | static int zfs_do_inherit(int argc, char **argv); | |
93 | static int zfs_do_list(int argc, char **argv); | |
94 | static int zfs_do_mount(int argc, char **argv); | |
95 | static int zfs_do_rename(int argc, char **argv); | |
96 | static int zfs_do_rollback(int argc, char **argv); | |
97 | static int zfs_do_set(int argc, char **argv); | |
98 | static int zfs_do_upgrade(int argc, char **argv); | |
99 | static int zfs_do_snapshot(int argc, char **argv); | |
100 | static int zfs_do_unmount(int argc, char **argv); | |
101 | static int zfs_do_share(int argc, char **argv); | |
102 | static int zfs_do_unshare(int argc, char **argv); | |
103 | static int zfs_do_send(int argc, char **argv); | |
104 | static int zfs_do_receive(int argc, char **argv); | |
105 | static int zfs_do_promote(int argc, char **argv); | |
106 | static int zfs_do_userspace(int argc, char **argv); | |
107 | static int zfs_do_allow(int argc, char **argv); | |
108 | static int zfs_do_unallow(int argc, char **argv); | |
109 | static int zfs_do_hold(int argc, char **argv); | |
110 | static int zfs_do_holds(int argc, char **argv); | |
111 | static int zfs_do_release(int argc, char **argv); | |
112 | static int zfs_do_diff(int argc, char **argv); | |
113 | static int zfs_do_bookmark(int argc, char **argv); | |
114 | static int zfs_do_channel_program(int argc, char **argv); | |
115 | static int zfs_do_remap(int argc, char **argv); | |
116 | static int zfs_do_load_key(int argc, char **argv); | |
117 | static int zfs_do_unload_key(int argc, char **argv); | |
118 | static int zfs_do_change_key(int argc, char **argv); | |
119 | static int zfs_do_project(int argc, char **argv); | |
120 | ||
121 | /* | |
122 | * Enable a reasonable set of defaults for libumem debugging on DEBUG builds. | |
123 | */ | |
124 | ||
125 | #ifdef DEBUG | |
126 | const char * | |
127 | _umem_debug_init(void) | |
128 | { | |
129 | return ("default,verbose"); /* $UMEM_DEBUG setting */ | |
130 | } | |
131 | ||
132 | const char * | |
133 | _umem_logging_init(void) | |
134 | { | |
135 | return ("fail,contents"); /* $UMEM_LOGGING setting */ | |
136 | } | |
137 | #endif | |
138 | ||
139 | typedef enum { | |
140 | HELP_CLONE, | |
141 | HELP_CREATE, | |
142 | HELP_DESTROY, | |
143 | HELP_GET, | |
144 | HELP_INHERIT, | |
145 | HELP_UPGRADE, | |
146 | HELP_LIST, | |
147 | HELP_MOUNT, | |
148 | HELP_PROMOTE, | |
149 | HELP_RECEIVE, | |
150 | HELP_RENAME, | |
151 | HELP_ROLLBACK, | |
152 | HELP_SEND, | |
153 | HELP_SET, | |
154 | HELP_SHARE, | |
155 | HELP_SNAPSHOT, | |
156 | HELP_UNMOUNT, | |
157 | HELP_UNSHARE, | |
158 | HELP_ALLOW, | |
159 | HELP_UNALLOW, | |
160 | HELP_USERSPACE, | |
161 | HELP_GROUPSPACE, | |
162 | HELP_PROJECTSPACE, | |
163 | HELP_PROJECT, | |
164 | HELP_HOLD, | |
165 | HELP_HOLDS, | |
166 | HELP_RELEASE, | |
167 | HELP_DIFF, | |
168 | HELP_REMAP, | |
169 | HELP_BOOKMARK, | |
170 | HELP_CHANNEL_PROGRAM, | |
171 | HELP_LOAD_KEY, | |
172 | HELP_UNLOAD_KEY, | |
173 | HELP_CHANGE_KEY, | |
174 | } zfs_help_t; | |
175 | ||
176 | typedef struct zfs_command { | |
177 | const char *name; | |
178 | int (*func)(int argc, char **argv); | |
179 | zfs_help_t usage; | |
180 | } zfs_command_t; | |
181 | ||
182 | /* | |
183 | * Master command table. Each ZFS command has a name, associated function, and | |
184 | * usage message. The usage messages need to be internationalized, so we have | |
185 | * to have a function to return the usage message based on a command index. | |
186 | * | |
187 | * These commands are organized according to how they are displayed in the usage | |
188 | * message. An empty command (one with a NULL name) indicates an empty line in | |
189 | * the generic usage message. | |
190 | */ | |
191 | static zfs_command_t command_table[] = { | |
192 | { "create", zfs_do_create, HELP_CREATE }, | |
193 | { "destroy", zfs_do_destroy, HELP_DESTROY }, | |
194 | { NULL }, | |
195 | { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT }, | |
196 | { "rollback", zfs_do_rollback, HELP_ROLLBACK }, | |
197 | { "clone", zfs_do_clone, HELP_CLONE }, | |
198 | { "promote", zfs_do_promote, HELP_PROMOTE }, | |
199 | { "rename", zfs_do_rename, HELP_RENAME }, | |
200 | { "bookmark", zfs_do_bookmark, HELP_BOOKMARK }, | |
201 | { "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM }, | |
202 | { NULL }, | |
203 | { "list", zfs_do_list, HELP_LIST }, | |
204 | { NULL }, | |
205 | { "set", zfs_do_set, HELP_SET }, | |
206 | { "get", zfs_do_get, HELP_GET }, | |
207 | { "inherit", zfs_do_inherit, HELP_INHERIT }, | |
208 | { "upgrade", zfs_do_upgrade, HELP_UPGRADE }, | |
209 | { NULL }, | |
210 | { "userspace", zfs_do_userspace, HELP_USERSPACE }, | |
211 | { "groupspace", zfs_do_userspace, HELP_GROUPSPACE }, | |
212 | { "projectspace", zfs_do_userspace, HELP_PROJECTSPACE }, | |
213 | { NULL }, | |
214 | { "project", zfs_do_project, HELP_PROJECT }, | |
215 | { NULL }, | |
216 | { "mount", zfs_do_mount, HELP_MOUNT }, | |
217 | { "unmount", zfs_do_unmount, HELP_UNMOUNT }, | |
218 | { "share", zfs_do_share, HELP_SHARE }, | |
219 | { "unshare", zfs_do_unshare, HELP_UNSHARE }, | |
220 | { NULL }, | |
221 | { "send", zfs_do_send, HELP_SEND }, | |
222 | { "receive", zfs_do_receive, HELP_RECEIVE }, | |
223 | { NULL }, | |
224 | { "allow", zfs_do_allow, HELP_ALLOW }, | |
225 | { NULL }, | |
226 | { "unallow", zfs_do_unallow, HELP_UNALLOW }, | |
227 | { NULL }, | |
228 | { "hold", zfs_do_hold, HELP_HOLD }, | |
229 | { "holds", zfs_do_holds, HELP_HOLDS }, | |
230 | { "release", zfs_do_release, HELP_RELEASE }, | |
231 | { "diff", zfs_do_diff, HELP_DIFF }, | |
232 | { "remap", zfs_do_remap, HELP_REMAP }, | |
233 | { "load-key", zfs_do_load_key, HELP_LOAD_KEY }, | |
234 | { "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY }, | |
235 | { "change-key", zfs_do_change_key, HELP_CHANGE_KEY }, | |
236 | }; | |
237 | ||
238 | #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) | |
239 | ||
240 | zfs_command_t *current_command; | |
241 | ||
242 | static const char * | |
243 | get_usage(zfs_help_t idx) | |
244 | { | |
245 | switch (idx) { | |
246 | case HELP_CLONE: | |
247 | return (gettext("\tclone [-p] [-o property=value] ... " | |
248 | "<snapshot> <filesystem|volume>\n")); | |
249 | case HELP_CREATE: | |
250 | return (gettext("\tcreate [-p] [-o property=value] ... " | |
251 | "<filesystem>\n" | |
252 | "\tcreate [-ps] [-b blocksize] [-o property=value] ... " | |
253 | "-V <size> <volume>\n")); | |
254 | case HELP_DESTROY: | |
255 | return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n" | |
256 | "\tdestroy [-dnpRrv] " | |
257 | "<filesystem|volume>@<snap>[%<snap>][,...]\n" | |
258 | "\tdestroy <filesystem|volume>#<bookmark>\n")); | |
259 | case HELP_GET: | |
260 | return (gettext("\tget [-rHp] [-d max] " | |
261 | "[-o \"all\" | field[,...]]\n" | |
262 | "\t [-t type[,...]] [-s source[,...]]\n" | |
263 | "\t <\"all\" | property[,...]> " | |
264 | "[filesystem|volume|snapshot|bookmark] ...\n")); | |
265 | case HELP_INHERIT: | |
266 | return (gettext("\tinherit [-rS] <property> " | |
267 | "<filesystem|volume|snapshot> ...\n")); | |
268 | case HELP_UPGRADE: | |
269 | return (gettext("\tupgrade [-v]\n" | |
270 | "\tupgrade [-r] [-V version] <-a | filesystem ...>\n")); | |
271 | case HELP_LIST: | |
272 | return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] " | |
273 | "[-s property]...\n\t [-S property]... [-t type[,...]] " | |
274 | "[filesystem|volume|snapshot] ...\n")); | |
275 | case HELP_MOUNT: | |
276 | return (gettext("\tmount\n" | |
277 | "\tmount [-lvO] [-o opts] <-a | filesystem>\n")); | |
278 | case HELP_PROMOTE: | |
279 | return (gettext("\tpromote <clone-filesystem>\n")); | |
280 | case HELP_RECEIVE: | |
281 | return (gettext("\treceive [-vnsFhu] " | |
282 | "[-o <property>=<value>] ... [-x <property>] ...\n" | |
283 | "\t <filesystem|volume|snapshot>\n" | |
284 | "\treceive [-vnsFhu] [-o <property>=<value>] ... " | |
285 | "[-x <property>] ... \n" | |
286 | "\t [-d | -e] <filesystem>\n" | |
287 | "\treceive -A <filesystem|volume>\n")); | |
288 | case HELP_RENAME: | |
289 | return (gettext("\trename [-f] <filesystem|volume|snapshot> " | |
290 | "<filesystem|volume|snapshot>\n" | |
291 | "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n" | |
292 | "\trename -r <snapshot> <snapshot>\n")); | |
293 | case HELP_ROLLBACK: | |
294 | return (gettext("\trollback [-rRf] <snapshot>\n")); | |
295 | case HELP_SEND: | |
296 | return (gettext("\tsend [-DnPpRvLecwhb] [-[i|I] snapshot] " | |
297 | "<snapshot>\n" | |
298 | "\tsend [-nvPLecw] [-i snapshot|bookmark] " | |
299 | "<filesystem|volume|snapshot>\n" | |
300 | "\tsend [-nvPe] -t <receive_resume_token>\n")); | |
301 | case HELP_SET: | |
302 | return (gettext("\tset <property=value> ... " | |
303 | "<filesystem|volume|snapshot> ...\n")); | |
304 | case HELP_SHARE: | |
305 | return (gettext("\tshare [-l] <-a [nfs|smb] | filesystem>\n")); | |
306 | case HELP_SNAPSHOT: | |
307 | return (gettext("\tsnapshot [-r] [-o property=value] ... " | |
308 | "<filesystem|volume>@<snap> ...\n")); | |
309 | case HELP_UNMOUNT: | |
310 | return (gettext("\tunmount [-f] " | |
311 | "<-a | filesystem|mountpoint>\n")); | |
312 | case HELP_UNSHARE: | |
313 | return (gettext("\tunshare " | |
314 | "<-a [nfs|smb] | filesystem|mountpoint>\n")); | |
315 | case HELP_ALLOW: | |
316 | return (gettext("\tallow <filesystem|volume>\n" | |
317 | "\tallow [-ldug] " | |
318 | "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n" | |
319 | "\t <filesystem|volume>\n" | |
320 | "\tallow [-ld] -e <perm|@setname>[,...] " | |
321 | "<filesystem|volume>\n" | |
322 | "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n" | |
323 | "\tallow -s @setname <perm|@setname>[,...] " | |
324 | "<filesystem|volume>\n")); | |
325 | case HELP_UNALLOW: | |
326 | return (gettext("\tunallow [-rldug] " | |
327 | "<\"everyone\"|user|group>[,...]\n" | |
328 | "\t [<perm|@setname>[,...]] <filesystem|volume>\n" | |
329 | "\tunallow [-rld] -e [<perm|@setname>[,...]] " | |
330 | "<filesystem|volume>\n" | |
331 | "\tunallow [-r] -c [<perm|@setname>[,...]] " | |
332 | "<filesystem|volume>\n" | |
333 | "\tunallow [-r] -s @setname [<perm|@setname>[,...]] " | |
334 | "<filesystem|volume>\n")); | |
335 | case HELP_USERSPACE: | |
336 | return (gettext("\tuserspace [-Hinp] [-o field[,...]] " | |
337 | "[-s field] ...\n" | |
338 | "\t [-S field] ... [-t type[,...]] " | |
339 | "<filesystem|snapshot>\n")); | |
340 | case HELP_GROUPSPACE: | |
341 | return (gettext("\tgroupspace [-Hinp] [-o field[,...]] " | |
342 | "[-s field] ...\n" | |
343 | "\t [-S field] ... [-t type[,...]] " | |
344 | "<filesystem|snapshot>\n")); | |
345 | case HELP_PROJECTSPACE: | |
346 | return (gettext("\tprojectspace [-Hp] [-o field[,...]] " | |
347 | "[-s field] ... \n" | |
348 | "\t [-S field] ... <filesystem|snapshot>\n")); | |
349 | case HELP_PROJECT: | |
350 | return (gettext("\tproject [-d|-r] <directory|file ...>\n" | |
351 | "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n" | |
352 | "\tproject -C [-k] [-r] <directory ...>\n" | |
353 | "\tproject [-p id] [-r] [-s] <directory ...>\n")); | |
354 | case HELP_HOLD: | |
355 | return (gettext("\thold [-r] <tag> <snapshot> ...\n")); | |
356 | case HELP_HOLDS: | |
357 | return (gettext("\tholds [-rH] <snapshot> ...\n")); | |
358 | case HELP_RELEASE: | |
359 | return (gettext("\trelease [-r] <tag> <snapshot> ...\n")); | |
360 | case HELP_DIFF: | |
361 | return (gettext("\tdiff [-FHt] <snapshot> " | |
362 | "[snapshot|filesystem]\n")); | |
363 | case HELP_REMAP: | |
364 | return (gettext("\tremap <filesystem | volume>\n")); | |
365 | case HELP_BOOKMARK: | |
366 | return (gettext("\tbookmark <snapshot> <bookmark>\n")); | |
367 | case HELP_CHANNEL_PROGRAM: | |
368 | return (gettext("\tprogram [-jn] [-t <instruction limit>] " | |
369 | "[-m <memory limit (b)>]\n" | |
370 | "\t <pool> <program file> [lua args...]\n")); | |
371 | case HELP_LOAD_KEY: | |
372 | return (gettext("\tload-key [-rn] [-L <keylocation>] " | |
373 | "<-a | filesystem|volume>\n")); | |
374 | case HELP_UNLOAD_KEY: | |
375 | return (gettext("\tunload-key [-r] " | |
376 | "<-a | filesystem|volume>\n")); | |
377 | case HELP_CHANGE_KEY: | |
378 | return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n" | |
379 | "\t [-o keylocation=<value>] [-o pbkfd2iters=<value>]\n" | |
380 | "\t <filesystem|volume>\n" | |
381 | "\tchange-key -i [-l] <filesystem|volume>\n")); | |
382 | } | |
383 | ||
384 | abort(); | |
385 | /* NOTREACHED */ | |
386 | } | |
387 | ||
388 | void | |
389 | nomem(void) | |
390 | { | |
391 | (void) fprintf(stderr, gettext("internal error: out of memory\n")); | |
392 | exit(1); | |
393 | } | |
394 | ||
395 | /* | |
396 | * Utility function to guarantee malloc() success. | |
397 | */ | |
398 | ||
399 | void * | |
400 | safe_malloc(size_t size) | |
401 | { | |
402 | void *data; | |
403 | ||
404 | if ((data = calloc(1, size)) == NULL) | |
405 | nomem(); | |
406 | ||
407 | return (data); | |
408 | } | |
409 | ||
410 | void * | |
411 | safe_realloc(void *data, size_t size) | |
412 | { | |
413 | void *newp; | |
414 | if ((newp = realloc(data, size)) == NULL) { | |
415 | free(data); | |
416 | nomem(); | |
417 | } | |
418 | ||
419 | return (newp); | |
420 | } | |
421 | ||
422 | static char * | |
423 | safe_strdup(char *str) | |
424 | { | |
425 | char *dupstr = strdup(str); | |
426 | ||
427 | if (dupstr == NULL) | |
428 | nomem(); | |
429 | ||
430 | return (dupstr); | |
431 | } | |
432 | ||
433 | /* | |
434 | * Callback routine that will print out information for each of | |
435 | * the properties. | |
436 | */ | |
437 | static int | |
438 | usage_prop_cb(int prop, void *cb) | |
439 | { | |
440 | FILE *fp = cb; | |
441 | ||
442 | (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop)); | |
443 | ||
444 | if (zfs_prop_readonly(prop)) | |
445 | (void) fprintf(fp, " NO "); | |
446 | else | |
447 | (void) fprintf(fp, "YES "); | |
448 | ||
449 | if (zfs_prop_inheritable(prop)) | |
450 | (void) fprintf(fp, " YES "); | |
451 | else | |
452 | (void) fprintf(fp, " NO "); | |
453 | ||
454 | if (zfs_prop_values(prop) == NULL) | |
455 | (void) fprintf(fp, "-\n"); | |
456 | else | |
457 | (void) fprintf(fp, "%s\n", zfs_prop_values(prop)); | |
458 | ||
459 | return (ZPROP_CONT); | |
460 | } | |
461 | ||
462 | /* | |
463 | * Display usage message. If we're inside a command, display only the usage for | |
464 | * that command. Otherwise, iterate over the entire command table and display | |
465 | * a complete usage message. | |
466 | */ | |
467 | static void | |
468 | usage(boolean_t requested) | |
469 | { | |
470 | int i; | |
471 | boolean_t show_properties = B_FALSE; | |
472 | FILE *fp = requested ? stdout : stderr; | |
473 | ||
474 | if (current_command == NULL) { | |
475 | ||
476 | (void) fprintf(fp, gettext("usage: zfs command args ...\n")); | |
477 | (void) fprintf(fp, | |
478 | gettext("where 'command' is one of the following:\n\n")); | |
479 | ||
480 | for (i = 0; i < NCOMMAND; i++) { | |
481 | if (command_table[i].name == NULL) | |
482 | (void) fprintf(fp, "\n"); | |
483 | else | |
484 | (void) fprintf(fp, "%s", | |
485 | get_usage(command_table[i].usage)); | |
486 | } | |
487 | ||
488 | (void) fprintf(fp, gettext("\nEach dataset is of the form: " | |
489 | "pool/[dataset/]*dataset[@name]\n")); | |
490 | } else { | |
491 | (void) fprintf(fp, gettext("usage:\n")); | |
492 | (void) fprintf(fp, "%s", get_usage(current_command->usage)); | |
493 | } | |
494 | ||
495 | if (current_command != NULL && | |
496 | (strcmp(current_command->name, "set") == 0 || | |
497 | strcmp(current_command->name, "get") == 0 || | |
498 | strcmp(current_command->name, "inherit") == 0 || | |
499 | strcmp(current_command->name, "list") == 0)) | |
500 | show_properties = B_TRUE; | |
501 | ||
502 | if (show_properties) { | |
503 | (void) fprintf(fp, | |
504 | gettext("\nThe following properties are supported:\n")); | |
505 | ||
506 | (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n", | |
507 | "PROPERTY", "EDIT", "INHERIT", "VALUES"); | |
508 | ||
509 | /* Iterate over all properties */ | |
510 | (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE, | |
511 | ZFS_TYPE_DATASET); | |
512 | ||
513 | (void) fprintf(fp, "\t%-15s ", "userused@..."); | |
514 | (void) fprintf(fp, " NO NO <size>\n"); | |
515 | (void) fprintf(fp, "\t%-15s ", "groupused@..."); | |
516 | (void) fprintf(fp, " NO NO <size>\n"); | |
517 | (void) fprintf(fp, "\t%-15s ", "projectused@..."); | |
518 | (void) fprintf(fp, " NO NO <size>\n"); | |
519 | (void) fprintf(fp, "\t%-15s ", "userobjused@..."); | |
520 | (void) fprintf(fp, " NO NO <size>\n"); | |
521 | (void) fprintf(fp, "\t%-15s ", "groupobjused@..."); | |
522 | (void) fprintf(fp, " NO NO <size>\n"); | |
523 | (void) fprintf(fp, "\t%-15s ", "projectobjused@..."); | |
524 | (void) fprintf(fp, " NO NO <size>\n"); | |
525 | (void) fprintf(fp, "\t%-15s ", "userquota@..."); | |
526 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
527 | (void) fprintf(fp, "\t%-15s ", "groupquota@..."); | |
528 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
529 | (void) fprintf(fp, "\t%-15s ", "projectquota@..."); | |
530 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
531 | (void) fprintf(fp, "\t%-15s ", "userobjquota@..."); | |
532 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
533 | (void) fprintf(fp, "\t%-15s ", "groupobjquota@..."); | |
534 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
535 | (void) fprintf(fp, "\t%-15s ", "projectobjquota@..."); | |
536 | (void) fprintf(fp, "YES NO <size> | none\n"); | |
537 | (void) fprintf(fp, "\t%-15s ", "written@<snap>"); | |
538 | (void) fprintf(fp, " NO NO <size>\n"); | |
539 | ||
540 | (void) fprintf(fp, gettext("\nSizes are specified in bytes " | |
541 | "with standard units such as K, M, G, etc.\n")); | |
542 | (void) fprintf(fp, gettext("\nUser-defined properties can " | |
543 | "be specified by using a name containing a colon (:).\n")); | |
544 | (void) fprintf(fp, gettext("\nThe {user|group|project}" | |
545 | "[obj]{used|quota}@ properties must be appended with\n" | |
546 | "a user|group|project specifier of one of these forms:\n" | |
547 | " POSIX name (eg: \"matt\")\n" | |
548 | " POSIX id (eg: \"126829\")\n" | |
549 | " SMB name@domain (eg: \"matt@sun\")\n" | |
550 | " SMB SID (eg: \"S-1-234-567-89\")\n")); | |
551 | } else { | |
552 | (void) fprintf(fp, | |
553 | gettext("\nFor the property list, run: %s\n"), | |
554 | "zfs set|get"); | |
555 | (void) fprintf(fp, | |
556 | gettext("\nFor the delegated permission list, run: %s\n"), | |
557 | "zfs allow|unallow"); | |
558 | } | |
559 | ||
560 | /* | |
561 | * See comments at end of main(). | |
562 | */ | |
563 | if (getenv("ZFS_ABORT") != NULL) { | |
564 | (void) printf("dumping core by request\n"); | |
565 | abort(); | |
566 | } | |
567 | ||
568 | exit(requested ? 0 : 2); | |
569 | } | |
570 | ||
571 | /* | |
572 | * Take a property=value argument string and add it to the given nvlist. | |
573 | * Modifies the argument inplace. | |
574 | */ | |
575 | static boolean_t | |
576 | parseprop(nvlist_t *props, char *propname) | |
577 | { | |
578 | char *propval; | |
579 | ||
580 | if ((propval = strchr(propname, '=')) == NULL) { | |
581 | (void) fprintf(stderr, gettext("missing " | |
582 | "'=' for property=value argument\n")); | |
583 | return (B_FALSE); | |
584 | } | |
585 | *propval = '\0'; | |
586 | propval++; | |
587 | if (nvlist_exists(props, propname)) { | |
588 | (void) fprintf(stderr, gettext("property '%s' " | |
589 | "specified multiple times\n"), propname); | |
590 | return (B_FALSE); | |
591 | } | |
592 | if (nvlist_add_string(props, propname, propval) != 0) | |
593 | nomem(); | |
594 | return (B_TRUE); | |
595 | } | |
596 | ||
597 | /* | |
598 | * Take a property name argument and add it to the given nvlist. | |
599 | * Modifies the argument inplace. | |
600 | */ | |
601 | static boolean_t | |
602 | parsepropname(nvlist_t *props, char *propname) | |
603 | { | |
604 | if (strchr(propname, '=') != NULL) { | |
605 | (void) fprintf(stderr, gettext("invalid character " | |
606 | "'=' in property argument\n")); | |
607 | return (B_FALSE); | |
608 | } | |
609 | if (nvlist_exists(props, propname)) { | |
610 | (void) fprintf(stderr, gettext("property '%s' " | |
611 | "specified multiple times\n"), propname); | |
612 | return (B_FALSE); | |
613 | } | |
614 | if (nvlist_add_boolean(props, propname) != 0) | |
615 | nomem(); | |
616 | return (B_TRUE); | |
617 | } | |
618 | ||
619 | static int | |
620 | parse_depth(char *opt, int *flags) | |
621 | { | |
622 | char *tmp; | |
623 | int depth; | |
624 | ||
625 | depth = (int)strtol(opt, &tmp, 0); | |
626 | if (*tmp) { | |
627 | (void) fprintf(stderr, | |
628 | gettext("%s is not an integer\n"), optarg); | |
629 | usage(B_FALSE); | |
630 | } | |
631 | if (depth < 0) { | |
632 | (void) fprintf(stderr, | |
633 | gettext("Depth can not be negative.\n")); | |
634 | usage(B_FALSE); | |
635 | } | |
636 | *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE); | |
637 | return (depth); | |
638 | } | |
639 | ||
640 | #define PROGRESS_DELAY 2 /* seconds */ | |
641 | ||
642 | 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"; | |
643 | static time_t pt_begin; | |
644 | static char *pt_header = NULL; | |
645 | static boolean_t pt_shown; | |
646 | ||
647 | static void | |
648 | start_progress_timer(void) | |
649 | { | |
650 | pt_begin = time(NULL) + PROGRESS_DELAY; | |
651 | pt_shown = B_FALSE; | |
652 | } | |
653 | ||
654 | static void | |
655 | set_progress_header(char *header) | |
656 | { | |
657 | assert(pt_header == NULL); | |
658 | pt_header = safe_strdup(header); | |
659 | if (pt_shown) { | |
660 | (void) printf("%s: ", header); | |
661 | (void) fflush(stdout); | |
662 | } | |
663 | } | |
664 | ||
665 | static void | |
666 | update_progress(char *update) | |
667 | { | |
668 | if (!pt_shown && time(NULL) > pt_begin) { | |
669 | int len = strlen(update); | |
670 | ||
671 | (void) printf("%s: %s%*.*s", pt_header, update, len, len, | |
672 | pt_reverse); | |
673 | (void) fflush(stdout); | |
674 | pt_shown = B_TRUE; | |
675 | } else if (pt_shown) { | |
676 | int len = strlen(update); | |
677 | ||
678 | (void) printf("%s%*.*s", update, len, len, pt_reverse); | |
679 | (void) fflush(stdout); | |
680 | } | |
681 | } | |
682 | ||
683 | static void | |
684 | finish_progress(char *done) | |
685 | { | |
686 | if (pt_shown) { | |
687 | (void) printf("%s\n", done); | |
688 | (void) fflush(stdout); | |
689 | } | |
690 | free(pt_header); | |
691 | pt_header = NULL; | |
692 | } | |
693 | ||
694 | static int | |
695 | zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type) | |
696 | { | |
697 | zfs_handle_t *zhp = NULL; | |
698 | int ret = 0; | |
699 | ||
700 | zhp = zfs_open(hdl, dataset, type); | |
701 | if (zhp == NULL) | |
702 | return (1); | |
703 | ||
704 | /* | |
705 | * Volumes may neither be mounted or shared. Potentially in the | |
706 | * future filesystems detected on these volumes could be mounted. | |
707 | */ | |
708 | if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) { | |
709 | zfs_close(zhp); | |
710 | return (0); | |
711 | } | |
712 | ||
713 | /* | |
714 | * Mount and/or share the new filesystem as appropriate. We provide a | |
715 | * verbose error message to let the user know that their filesystem was | |
716 | * in fact created, even if we failed to mount or share it. | |
717 | * | |
718 | * If the user doesn't want the dataset automatically mounted, then | |
719 | * skip the mount/share step | |
720 | */ | |
721 | if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) && | |
722 | zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) { | |
723 | if (geteuid() != 0) { | |
724 | (void) fprintf(stderr, gettext("filesystem " | |
725 | "successfully created, but it may only be " | |
726 | "mounted by root\n")); | |
727 | ret = 1; | |
728 | } else if (zfs_mount(zhp, NULL, 0) != 0) { | |
729 | (void) fprintf(stderr, gettext("filesystem " | |
730 | "successfully created, but not mounted\n")); | |
731 | ret = 1; | |
732 | } else if (zfs_share(zhp) != 0) { | |
733 | (void) fprintf(stderr, gettext("filesystem " | |
734 | "successfully created, but not shared\n")); | |
735 | ret = 1; | |
736 | } | |
737 | } | |
738 | ||
739 | zfs_close(zhp); | |
740 | ||
741 | return (ret); | |
742 | } | |
743 | ||
744 | /* | |
745 | * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol> | |
746 | * | |
747 | * Given an existing dataset, create a writable copy whose initial contents | |
748 | * are the same as the source. The newly created dataset maintains a | |
749 | * dependency on the original; the original cannot be destroyed so long as | |
750 | * the clone exists. | |
751 | * | |
752 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
753 | */ | |
754 | static int | |
755 | zfs_do_clone(int argc, char **argv) | |
756 | { | |
757 | zfs_handle_t *zhp = NULL; | |
758 | boolean_t parents = B_FALSE; | |
759 | nvlist_t *props; | |
760 | int ret = 0; | |
761 | int c; | |
762 | ||
763 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) | |
764 | nomem(); | |
765 | ||
766 | /* check options */ | |
767 | while ((c = getopt(argc, argv, "o:p")) != -1) { | |
768 | switch (c) { | |
769 | case 'o': | |
770 | if (!parseprop(props, optarg)) { | |
771 | nvlist_free(props); | |
772 | return (1); | |
773 | } | |
774 | break; | |
775 | case 'p': | |
776 | parents = B_TRUE; | |
777 | break; | |
778 | case '?': | |
779 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
780 | optopt); | |
781 | goto usage; | |
782 | } | |
783 | } | |
784 | ||
785 | argc -= optind; | |
786 | argv += optind; | |
787 | ||
788 | /* check number of arguments */ | |
789 | if (argc < 1) { | |
790 | (void) fprintf(stderr, gettext("missing source dataset " | |
791 | "argument\n")); | |
792 | goto usage; | |
793 | } | |
794 | if (argc < 2) { | |
795 | (void) fprintf(stderr, gettext("missing target dataset " | |
796 | "argument\n")); | |
797 | goto usage; | |
798 | } | |
799 | if (argc > 2) { | |
800 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
801 | goto usage; | |
802 | } | |
803 | ||
804 | /* open the source dataset */ | |
805 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) { | |
806 | nvlist_free(props); | |
807 | return (1); | |
808 | } | |
809 | ||
810 | if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM | | |
811 | ZFS_TYPE_VOLUME)) { | |
812 | /* | |
813 | * Now create the ancestors of the target dataset. If the | |
814 | * target already exists and '-p' option was used we should not | |
815 | * complain. | |
816 | */ | |
817 | if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | | |
818 | ZFS_TYPE_VOLUME)) { | |
819 | zfs_close(zhp); | |
820 | nvlist_free(props); | |
821 | return (0); | |
822 | } | |
823 | if (zfs_create_ancestors(g_zfs, argv[1]) != 0) { | |
824 | zfs_close(zhp); | |
825 | nvlist_free(props); | |
826 | return (1); | |
827 | } | |
828 | } | |
829 | ||
830 | /* pass to libzfs */ | |
831 | ret = zfs_clone(zhp, argv[1], props); | |
832 | ||
833 | /* create the mountpoint if necessary */ | |
834 | if (ret == 0) { | |
835 | if (log_history) { | |
836 | (void) zpool_log_history(g_zfs, history_str); | |
837 | log_history = B_FALSE; | |
838 | } | |
839 | ||
840 | ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET); | |
841 | } | |
842 | ||
843 | zfs_close(zhp); | |
844 | nvlist_free(props); | |
845 | ||
846 | return (!!ret); | |
847 | ||
848 | usage: | |
849 | ASSERT3P(zhp, ==, NULL); | |
850 | nvlist_free(props); | |
851 | usage(B_FALSE); | |
852 | return (-1); | |
853 | } | |
854 | ||
855 | /* | |
856 | * zfs create [-p] [-o prop=value] ... fs | |
857 | * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size | |
858 | * | |
859 | * Create a new dataset. This command can be used to create filesystems | |
860 | * and volumes. Snapshot creation is handled by 'zfs snapshot'. | |
861 | * For volumes, the user must specify a size to be used. | |
862 | * | |
863 | * The '-s' flag applies only to volumes, and indicates that we should not try | |
864 | * to set the reservation for this volume. By default we set a reservation | |
865 | * equal to the size for any volume. For pools with SPA_VERSION >= | |
866 | * SPA_VERSION_REFRESERVATION, we set a refreservation instead. | |
867 | * | |
868 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
869 | */ | |
870 | static int | |
871 | zfs_do_create(int argc, char **argv) | |
872 | { | |
873 | zfs_type_t type = ZFS_TYPE_FILESYSTEM; | |
874 | uint64_t volsize = 0; | |
875 | int c; | |
876 | boolean_t noreserve = B_FALSE; | |
877 | boolean_t bflag = B_FALSE; | |
878 | boolean_t parents = B_FALSE; | |
879 | int ret = 1; | |
880 | nvlist_t *props; | |
881 | uint64_t intval; | |
882 | ||
883 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) | |
884 | nomem(); | |
885 | ||
886 | /* check options */ | |
887 | while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) { | |
888 | switch (c) { | |
889 | case 'V': | |
890 | type = ZFS_TYPE_VOLUME; | |
891 | if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { | |
892 | (void) fprintf(stderr, gettext("bad volume " | |
893 | "size '%s': %s\n"), optarg, | |
894 | libzfs_error_description(g_zfs)); | |
895 | goto error; | |
896 | } | |
897 | ||
898 | if (nvlist_add_uint64(props, | |
899 | zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0) | |
900 | nomem(); | |
901 | volsize = intval; | |
902 | break; | |
903 | case 'p': | |
904 | parents = B_TRUE; | |
905 | break; | |
906 | case 'b': | |
907 | bflag = B_TRUE; | |
908 | if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { | |
909 | (void) fprintf(stderr, gettext("bad volume " | |
910 | "block size '%s': %s\n"), optarg, | |
911 | libzfs_error_description(g_zfs)); | |
912 | goto error; | |
913 | } | |
914 | ||
915 | if (nvlist_add_uint64(props, | |
916 | zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), | |
917 | intval) != 0) | |
918 | nomem(); | |
919 | break; | |
920 | case 'o': | |
921 | if (!parseprop(props, optarg)) | |
922 | goto error; | |
923 | break; | |
924 | case 's': | |
925 | noreserve = B_TRUE; | |
926 | break; | |
927 | case ':': | |
928 | (void) fprintf(stderr, gettext("missing size " | |
929 | "argument\n")); | |
930 | goto badusage; | |
931 | case '?': | |
932 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
933 | optopt); | |
934 | goto badusage; | |
935 | } | |
936 | } | |
937 | ||
938 | if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) { | |
939 | (void) fprintf(stderr, gettext("'-s' and '-b' can only be " | |
940 | "used when creating a volume\n")); | |
941 | goto badusage; | |
942 | } | |
943 | ||
944 | argc -= optind; | |
945 | argv += optind; | |
946 | ||
947 | /* check number of arguments */ | |
948 | if (argc == 0) { | |
949 | (void) fprintf(stderr, gettext("missing %s argument\n"), | |
950 | zfs_type_to_name(type)); | |
951 | goto badusage; | |
952 | } | |
953 | if (argc > 1) { | |
954 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
955 | goto badusage; | |
956 | } | |
957 | ||
958 | if (type == ZFS_TYPE_VOLUME && !noreserve) { | |
959 | zpool_handle_t *zpool_handle; | |
960 | nvlist_t *real_props = NULL; | |
961 | uint64_t spa_version; | |
962 | char *p; | |
963 | zfs_prop_t resv_prop; | |
964 | char *strval; | |
965 | char msg[1024]; | |
966 | ||
967 | if ((p = strchr(argv[0], '/')) != NULL) | |
968 | *p = '\0'; | |
969 | zpool_handle = zpool_open(g_zfs, argv[0]); | |
970 | if (p != NULL) | |
971 | *p = '/'; | |
972 | if (zpool_handle == NULL) | |
973 | goto error; | |
974 | spa_version = zpool_get_prop_int(zpool_handle, | |
975 | ZPOOL_PROP_VERSION, NULL); | |
976 | if (spa_version >= SPA_VERSION_REFRESERVATION) | |
977 | resv_prop = ZFS_PROP_REFRESERVATION; | |
978 | else | |
979 | resv_prop = ZFS_PROP_RESERVATION; | |
980 | ||
981 | (void) snprintf(msg, sizeof (msg), | |
982 | gettext("cannot create '%s'"), argv[0]); | |
983 | if (props && (real_props = zfs_valid_proplist(g_zfs, type, | |
984 | props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) { | |
985 | zpool_close(zpool_handle); | |
986 | goto error; | |
987 | } | |
988 | zpool_close(zpool_handle); | |
989 | ||
990 | volsize = zvol_volsize_to_reservation(volsize, real_props); | |
991 | nvlist_free(real_props); | |
992 | ||
993 | if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop), | |
994 | &strval) != 0) { | |
995 | if (nvlist_add_uint64(props, | |
996 | zfs_prop_to_name(resv_prop), volsize) != 0) { | |
997 | nvlist_free(props); | |
998 | nomem(); | |
999 | } | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | if (parents && zfs_name_valid(argv[0], type)) { | |
1004 | /* | |
1005 | * Now create the ancestors of target dataset. If the target | |
1006 | * already exists and '-p' option was used we should not | |
1007 | * complain. | |
1008 | */ | |
1009 | if (zfs_dataset_exists(g_zfs, argv[0], type)) { | |
1010 | ret = 0; | |
1011 | goto error; | |
1012 | } | |
1013 | if (zfs_create_ancestors(g_zfs, argv[0]) != 0) | |
1014 | goto error; | |
1015 | } | |
1016 | ||
1017 | /* pass to libzfs */ | |
1018 | if (zfs_create(g_zfs, argv[0], type, props) != 0) | |
1019 | goto error; | |
1020 | ||
1021 | if (log_history) { | |
1022 | (void) zpool_log_history(g_zfs, history_str); | |
1023 | log_history = B_FALSE; | |
1024 | } | |
1025 | ||
1026 | ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET); | |
1027 | error: | |
1028 | nvlist_free(props); | |
1029 | return (ret); | |
1030 | badusage: | |
1031 | nvlist_free(props); | |
1032 | usage(B_FALSE); | |
1033 | return (2); | |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * zfs destroy [-rRf] <fs, vol> | |
1038 | * zfs destroy [-rRd] <snap> | |
1039 | * | |
1040 | * -r Recursively destroy all children | |
1041 | * -R Recursively destroy all dependents, including clones | |
1042 | * -f Force unmounting of any dependents | |
1043 | * -d If we can't destroy now, mark for deferred destruction | |
1044 | * | |
1045 | * Destroys the given dataset. By default, it will unmount any filesystems, | |
1046 | * and refuse to destroy a dataset that has any dependents. A dependent can | |
1047 | * either be a child, or a clone of a child. | |
1048 | */ | |
1049 | typedef struct destroy_cbdata { | |
1050 | boolean_t cb_first; | |
1051 | boolean_t cb_force; | |
1052 | boolean_t cb_recurse; | |
1053 | boolean_t cb_error; | |
1054 | boolean_t cb_doclones; | |
1055 | zfs_handle_t *cb_target; | |
1056 | boolean_t cb_defer_destroy; | |
1057 | boolean_t cb_verbose; | |
1058 | boolean_t cb_parsable; | |
1059 | boolean_t cb_dryrun; | |
1060 | nvlist_t *cb_nvl; | |
1061 | nvlist_t *cb_batchedsnaps; | |
1062 | ||
1063 | /* first snap in contiguous run */ | |
1064 | char *cb_firstsnap; | |
1065 | /* previous snap in contiguous run */ | |
1066 | char *cb_prevsnap; | |
1067 | int64_t cb_snapused; | |
1068 | char *cb_snapspec; | |
1069 | char *cb_bookmark; | |
1070 | uint64_t cb_snap_count; | |
1071 | } destroy_cbdata_t; | |
1072 | ||
1073 | /* | |
1074 | * Check for any dependents based on the '-r' or '-R' flags. | |
1075 | */ | |
1076 | static int | |
1077 | destroy_check_dependent(zfs_handle_t *zhp, void *data) | |
1078 | { | |
1079 | destroy_cbdata_t *cbp = data; | |
1080 | const char *tname = zfs_get_name(cbp->cb_target); | |
1081 | const char *name = zfs_get_name(zhp); | |
1082 | ||
1083 | if (strncmp(tname, name, strlen(tname)) == 0 && | |
1084 | (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) { | |
1085 | /* | |
1086 | * This is a direct descendant, not a clone somewhere else in | |
1087 | * the hierarchy. | |
1088 | */ | |
1089 | if (cbp->cb_recurse) | |
1090 | goto out; | |
1091 | ||
1092 | if (cbp->cb_first) { | |
1093 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
1094 | "%s has children\n"), | |
1095 | zfs_get_name(cbp->cb_target), | |
1096 | zfs_type_to_name(zfs_get_type(cbp->cb_target))); | |
1097 | (void) fprintf(stderr, gettext("use '-r' to destroy " | |
1098 | "the following datasets:\n")); | |
1099 | cbp->cb_first = B_FALSE; | |
1100 | cbp->cb_error = B_TRUE; | |
1101 | } | |
1102 | ||
1103 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
1104 | } else { | |
1105 | /* | |
1106 | * This is a clone. We only want to report this if the '-r' | |
1107 | * wasn't specified, or the target is a snapshot. | |
1108 | */ | |
1109 | if (!cbp->cb_recurse && | |
1110 | zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT) | |
1111 | goto out; | |
1112 | ||
1113 | if (cbp->cb_first) { | |
1114 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
1115 | "%s has dependent clones\n"), | |
1116 | zfs_get_name(cbp->cb_target), | |
1117 | zfs_type_to_name(zfs_get_type(cbp->cb_target))); | |
1118 | (void) fprintf(stderr, gettext("use '-R' to destroy " | |
1119 | "the following datasets:\n")); | |
1120 | cbp->cb_first = B_FALSE; | |
1121 | cbp->cb_error = B_TRUE; | |
1122 | cbp->cb_dryrun = B_TRUE; | |
1123 | } | |
1124 | ||
1125 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
1126 | } | |
1127 | ||
1128 | out: | |
1129 | zfs_close(zhp); | |
1130 | return (0); | |
1131 | } | |
1132 | ||
1133 | static int | |
1134 | destroy_batched(destroy_cbdata_t *cb) | |
1135 | { | |
1136 | int error = zfs_destroy_snaps_nvl(g_zfs, | |
1137 | cb->cb_batchedsnaps, B_FALSE); | |
1138 | fnvlist_free(cb->cb_batchedsnaps); | |
1139 | cb->cb_batchedsnaps = fnvlist_alloc(); | |
1140 | return (error); | |
1141 | } | |
1142 | ||
1143 | static int | |
1144 | destroy_callback(zfs_handle_t *zhp, void *data) | |
1145 | { | |
1146 | destroy_cbdata_t *cb = data; | |
1147 | const char *name = zfs_get_name(zhp); | |
1148 | int error; | |
1149 | ||
1150 | if (cb->cb_verbose) { | |
1151 | if (cb->cb_parsable) { | |
1152 | (void) printf("destroy\t%s\n", name); | |
1153 | } else if (cb->cb_dryrun) { | |
1154 | (void) printf(gettext("would destroy %s\n"), | |
1155 | name); | |
1156 | } else { | |
1157 | (void) printf(gettext("will destroy %s\n"), | |
1158 | name); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | /* | |
1163 | * Ignore pools (which we've already flagged as an error before getting | |
1164 | * here). | |
1165 | */ | |
1166 | if (strchr(zfs_get_name(zhp), '/') == NULL && | |
1167 | zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { | |
1168 | zfs_close(zhp); | |
1169 | return (0); | |
1170 | } | |
1171 | if (cb->cb_dryrun) { | |
1172 | zfs_close(zhp); | |
1173 | return (0); | |
1174 | } | |
1175 | ||
1176 | /* | |
1177 | * We batch up all contiguous snapshots (even of different | |
1178 | * filesystems) and destroy them with one ioctl. We can't | |
1179 | * simply do all snap deletions and then all fs deletions, | |
1180 | * because we must delete a clone before its origin. | |
1181 | */ | |
1182 | if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) { | |
1183 | cb->cb_snap_count++; | |
1184 | fnvlist_add_boolean(cb->cb_batchedsnaps, name); | |
1185 | if (cb->cb_snap_count % 10 == 0 && cb->cb_defer_destroy) | |
1186 | error = destroy_batched(cb); | |
1187 | } else { | |
1188 | error = destroy_batched(cb); | |
1189 | if (error != 0 || | |
1190 | zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 || | |
1191 | zfs_destroy(zhp, cb->cb_defer_destroy) != 0) { | |
1192 | zfs_close(zhp); | |
1193 | /* | |
1194 | * When performing a recursive destroy we ignore errors | |
1195 | * so that the recursive destroy could continue | |
1196 | * destroying past problem datasets | |
1197 | */ | |
1198 | if (cb->cb_recurse) { | |
1199 | cb->cb_error = B_TRUE; | |
1200 | return (0); | |
1201 | } | |
1202 | return (-1); | |
1203 | } | |
1204 | } | |
1205 | ||
1206 | zfs_close(zhp); | |
1207 | return (0); | |
1208 | } | |
1209 | ||
1210 | static int | |
1211 | destroy_print_cb(zfs_handle_t *zhp, void *arg) | |
1212 | { | |
1213 | destroy_cbdata_t *cb = arg; | |
1214 | const char *name = zfs_get_name(zhp); | |
1215 | int err = 0; | |
1216 | ||
1217 | if (nvlist_exists(cb->cb_nvl, name)) { | |
1218 | if (cb->cb_firstsnap == NULL) | |
1219 | cb->cb_firstsnap = strdup(name); | |
1220 | if (cb->cb_prevsnap != NULL) | |
1221 | free(cb->cb_prevsnap); | |
1222 | /* this snap continues the current range */ | |
1223 | cb->cb_prevsnap = strdup(name); | |
1224 | if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL) | |
1225 | nomem(); | |
1226 | if (cb->cb_verbose) { | |
1227 | if (cb->cb_parsable) { | |
1228 | (void) printf("destroy\t%s\n", name); | |
1229 | } else if (cb->cb_dryrun) { | |
1230 | (void) printf(gettext("would destroy %s\n"), | |
1231 | name); | |
1232 | } else { | |
1233 | (void) printf(gettext("will destroy %s\n"), | |
1234 | name); | |
1235 | } | |
1236 | } | |
1237 | } else if (cb->cb_firstsnap != NULL) { | |
1238 | /* end of this range */ | |
1239 | uint64_t used = 0; | |
1240 | err = lzc_snaprange_space(cb->cb_firstsnap, | |
1241 | cb->cb_prevsnap, &used); | |
1242 | cb->cb_snapused += used; | |
1243 | free(cb->cb_firstsnap); | |
1244 | cb->cb_firstsnap = NULL; | |
1245 | free(cb->cb_prevsnap); | |
1246 | cb->cb_prevsnap = NULL; | |
1247 | } | |
1248 | zfs_close(zhp); | |
1249 | return (err); | |
1250 | } | |
1251 | ||
1252 | static int | |
1253 | destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb) | |
1254 | { | |
1255 | int err; | |
1256 | assert(cb->cb_firstsnap == NULL); | |
1257 | assert(cb->cb_prevsnap == NULL); | |
1258 | err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb); | |
1259 | if (cb->cb_firstsnap != NULL) { | |
1260 | uint64_t used = 0; | |
1261 | if (err == 0) { | |
1262 | err = lzc_snaprange_space(cb->cb_firstsnap, | |
1263 | cb->cb_prevsnap, &used); | |
1264 | } | |
1265 | cb->cb_snapused += used; | |
1266 | free(cb->cb_firstsnap); | |
1267 | cb->cb_firstsnap = NULL; | |
1268 | free(cb->cb_prevsnap); | |
1269 | cb->cb_prevsnap = NULL; | |
1270 | } | |
1271 | return (err); | |
1272 | } | |
1273 | ||
1274 | static int | |
1275 | snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg) | |
1276 | { | |
1277 | destroy_cbdata_t *cb = arg; | |
1278 | int err = 0; | |
1279 | ||
1280 | /* Check for clones. */ | |
1281 | if (!cb->cb_doclones && !cb->cb_defer_destroy) { | |
1282 | cb->cb_target = zhp; | |
1283 | cb->cb_first = B_TRUE; | |
1284 | err = zfs_iter_dependents(zhp, B_TRUE, | |
1285 | destroy_check_dependent, cb); | |
1286 | } | |
1287 | ||
1288 | if (err == 0) { | |
1289 | if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp))) | |
1290 | nomem(); | |
1291 | } | |
1292 | zfs_close(zhp); | |
1293 | return (err); | |
1294 | } | |
1295 | ||
1296 | static int | |
1297 | gather_snapshots(zfs_handle_t *zhp, void *arg) | |
1298 | { | |
1299 | destroy_cbdata_t *cb = arg; | |
1300 | int err = 0; | |
1301 | ||
1302 | err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb); | |
1303 | if (err == ENOENT) | |
1304 | err = 0; | |
1305 | if (err != 0) | |
1306 | goto out; | |
1307 | ||
1308 | if (cb->cb_verbose) { | |
1309 | err = destroy_print_snapshots(zhp, cb); | |
1310 | if (err != 0) | |
1311 | goto out; | |
1312 | } | |
1313 | ||
1314 | if (cb->cb_recurse) | |
1315 | err = zfs_iter_filesystems(zhp, gather_snapshots, cb); | |
1316 | ||
1317 | out: | |
1318 | zfs_close(zhp); | |
1319 | return (err); | |
1320 | } | |
1321 | ||
1322 | static int | |
1323 | destroy_clones(destroy_cbdata_t *cb) | |
1324 | { | |
1325 | nvpair_t *pair; | |
1326 | for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL); | |
1327 | pair != NULL; | |
1328 | pair = nvlist_next_nvpair(cb->cb_nvl, pair)) { | |
1329 | zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair), | |
1330 | ZFS_TYPE_SNAPSHOT); | |
1331 | if (zhp != NULL) { | |
1332 | boolean_t defer = cb->cb_defer_destroy; | |
1333 | int err; | |
1334 | ||
1335 | /* | |
1336 | * We can't defer destroy non-snapshots, so set it to | |
1337 | * false while destroying the clones. | |
1338 | */ | |
1339 | cb->cb_defer_destroy = B_FALSE; | |
1340 | err = zfs_iter_dependents(zhp, B_FALSE, | |
1341 | destroy_callback, cb); | |
1342 | cb->cb_defer_destroy = defer; | |
1343 | zfs_close(zhp); | |
1344 | if (err != 0) | |
1345 | return (err); | |
1346 | } | |
1347 | } | |
1348 | return (0); | |
1349 | } | |
1350 | ||
1351 | static int | |
1352 | zfs_do_destroy(int argc, char **argv) | |
1353 | { | |
1354 | destroy_cbdata_t cb = { 0 }; | |
1355 | int rv = 0; | |
1356 | int err = 0; | |
1357 | int c; | |
1358 | zfs_handle_t *zhp = NULL; | |
1359 | char *at, *pound; | |
1360 | zfs_type_t type = ZFS_TYPE_DATASET; | |
1361 | ||
1362 | /* check options */ | |
1363 | while ((c = getopt(argc, argv, "vpndfrR")) != -1) { | |
1364 | switch (c) { | |
1365 | case 'v': | |
1366 | cb.cb_verbose = B_TRUE; | |
1367 | break; | |
1368 | case 'p': | |
1369 | cb.cb_verbose = B_TRUE; | |
1370 | cb.cb_parsable = B_TRUE; | |
1371 | break; | |
1372 | case 'n': | |
1373 | cb.cb_dryrun = B_TRUE; | |
1374 | break; | |
1375 | case 'd': | |
1376 | cb.cb_defer_destroy = B_TRUE; | |
1377 | type = ZFS_TYPE_SNAPSHOT; | |
1378 | break; | |
1379 | case 'f': | |
1380 | cb.cb_force = B_TRUE; | |
1381 | break; | |
1382 | case 'r': | |
1383 | cb.cb_recurse = B_TRUE; | |
1384 | break; | |
1385 | case 'R': | |
1386 | cb.cb_recurse = B_TRUE; | |
1387 | cb.cb_doclones = B_TRUE; | |
1388 | break; | |
1389 | case '?': | |
1390 | default: | |
1391 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1392 | optopt); | |
1393 | usage(B_FALSE); | |
1394 | } | |
1395 | } | |
1396 | ||
1397 | argc -= optind; | |
1398 | argv += optind; | |
1399 | ||
1400 | /* check number of arguments */ | |
1401 | if (argc == 0) { | |
1402 | (void) fprintf(stderr, gettext("missing dataset argument\n")); | |
1403 | usage(B_FALSE); | |
1404 | } | |
1405 | if (argc > 1) { | |
1406 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
1407 | usage(B_FALSE); | |
1408 | } | |
1409 | ||
1410 | at = strchr(argv[0], '@'); | |
1411 | pound = strchr(argv[0], '#'); | |
1412 | if (at != NULL) { | |
1413 | ||
1414 | /* Build the list of snaps to destroy in cb_nvl. */ | |
1415 | cb.cb_nvl = fnvlist_alloc(); | |
1416 | ||
1417 | *at = '\0'; | |
1418 | zhp = zfs_open(g_zfs, argv[0], | |
1419 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
1420 | if (zhp == NULL) { | |
1421 | nvlist_free(cb.cb_nvl); | |
1422 | return (1); | |
1423 | } | |
1424 | ||
1425 | cb.cb_snapspec = at + 1; | |
1426 | if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 || | |
1427 | cb.cb_error) { | |
1428 | rv = 1; | |
1429 | goto out; | |
1430 | } | |
1431 | ||
1432 | if (nvlist_empty(cb.cb_nvl)) { | |
1433 | (void) fprintf(stderr, gettext("could not find any " | |
1434 | "snapshots to destroy; check snapshot names.\n")); | |
1435 | rv = 1; | |
1436 | goto out; | |
1437 | } | |
1438 | ||
1439 | if (cb.cb_verbose) { | |
1440 | char buf[16]; | |
1441 | zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf)); | |
1442 | if (cb.cb_parsable) { | |
1443 | (void) printf("reclaim\t%llu\n", | |
1444 | (u_longlong_t)cb.cb_snapused); | |
1445 | } else if (cb.cb_dryrun) { | |
1446 | (void) printf(gettext("would reclaim %s\n"), | |
1447 | buf); | |
1448 | } else { | |
1449 | (void) printf(gettext("will reclaim %s\n"), | |
1450 | buf); | |
1451 | } | |
1452 | } | |
1453 | ||
1454 | if (!cb.cb_dryrun) { | |
1455 | if (cb.cb_doclones) { | |
1456 | cb.cb_batchedsnaps = fnvlist_alloc(); | |
1457 | err = destroy_clones(&cb); | |
1458 | if (err == 0) { | |
1459 | err = zfs_destroy_snaps_nvl(g_zfs, | |
1460 | cb.cb_batchedsnaps, B_FALSE); | |
1461 | } | |
1462 | if (err != 0) { | |
1463 | rv = 1; | |
1464 | goto out; | |
1465 | } | |
1466 | } | |
1467 | if (err == 0) { | |
1468 | err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl, | |
1469 | cb.cb_defer_destroy); | |
1470 | } | |
1471 | } | |
1472 | ||
1473 | if (err != 0) | |
1474 | rv = 1; | |
1475 | } else if (pound != NULL) { | |
1476 | int err; | |
1477 | nvlist_t *nvl; | |
1478 | ||
1479 | if (cb.cb_dryrun) { | |
1480 | (void) fprintf(stderr, | |
1481 | "dryrun is not supported with bookmark\n"); | |
1482 | return (-1); | |
1483 | } | |
1484 | ||
1485 | if (cb.cb_defer_destroy) { | |
1486 | (void) fprintf(stderr, | |
1487 | "defer destroy is not supported with bookmark\n"); | |
1488 | return (-1); | |
1489 | } | |
1490 | ||
1491 | if (cb.cb_recurse) { | |
1492 | (void) fprintf(stderr, | |
1493 | "recursive is not supported with bookmark\n"); | |
1494 | return (-1); | |
1495 | } | |
1496 | ||
1497 | if (!zfs_bookmark_exists(argv[0])) { | |
1498 | (void) fprintf(stderr, gettext("bookmark '%s' " | |
1499 | "does not exist.\n"), argv[0]); | |
1500 | return (1); | |
1501 | } | |
1502 | ||
1503 | nvl = fnvlist_alloc(); | |
1504 | fnvlist_add_boolean(nvl, argv[0]); | |
1505 | ||
1506 | err = lzc_destroy_bookmarks(nvl, NULL); | |
1507 | if (err != 0) { | |
1508 | (void) zfs_standard_error(g_zfs, err, | |
1509 | "cannot destroy bookmark"); | |
1510 | } | |
1511 | ||
1512 | nvlist_free(nvl); | |
1513 | ||
1514 | return (err); | |
1515 | } else { | |
1516 | /* Open the given dataset */ | |
1517 | if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL) | |
1518 | return (1); | |
1519 | ||
1520 | cb.cb_target = zhp; | |
1521 | ||
1522 | /* | |
1523 | * Perform an explicit check for pools before going any further. | |
1524 | */ | |
1525 | if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL && | |
1526 | zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { | |
1527 | (void) fprintf(stderr, gettext("cannot destroy '%s': " | |
1528 | "operation does not apply to pools\n"), | |
1529 | zfs_get_name(zhp)); | |
1530 | (void) fprintf(stderr, gettext("use 'zfs destroy -r " | |
1531 | "%s' to destroy all datasets in the pool\n"), | |
1532 | zfs_get_name(zhp)); | |
1533 | (void) fprintf(stderr, gettext("use 'zpool destroy %s' " | |
1534 | "to destroy the pool itself\n"), zfs_get_name(zhp)); | |
1535 | rv = 1; | |
1536 | goto out; | |
1537 | } | |
1538 | ||
1539 | /* | |
1540 | * Check for any dependents and/or clones. | |
1541 | */ | |
1542 | cb.cb_first = B_TRUE; | |
1543 | if (!cb.cb_doclones && | |
1544 | zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent, | |
1545 | &cb) != 0) { | |
1546 | rv = 1; | |
1547 | goto out; | |
1548 | } | |
1549 | ||
1550 | if (cb.cb_error) { | |
1551 | rv = 1; | |
1552 | goto out; | |
1553 | } | |
1554 | cb.cb_batchedsnaps = fnvlist_alloc(); | |
1555 | if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback, | |
1556 | &cb) != 0) { | |
1557 | rv = 1; | |
1558 | goto out; | |
1559 | } | |
1560 | ||
1561 | /* | |
1562 | * Do the real thing. The callback will close the | |
1563 | * handle regardless of whether it succeeds or not. | |
1564 | */ | |
1565 | err = destroy_callback(zhp, &cb); | |
1566 | zhp = NULL; | |
1567 | if (err == 0) { | |
1568 | err = zfs_destroy_snaps_nvl(g_zfs, | |
1569 | cb.cb_batchedsnaps, cb.cb_defer_destroy); | |
1570 | } | |
1571 | if (err != 0 || cb.cb_error == B_TRUE) | |
1572 | rv = 1; | |
1573 | } | |
1574 | ||
1575 | out: | |
1576 | fnvlist_free(cb.cb_batchedsnaps); | |
1577 | fnvlist_free(cb.cb_nvl); | |
1578 | if (zhp != NULL) | |
1579 | zfs_close(zhp); | |
1580 | return (rv); | |
1581 | } | |
1582 | ||
1583 | static boolean_t | |
1584 | is_recvd_column(zprop_get_cbdata_t *cbp) | |
1585 | { | |
1586 | int i; | |
1587 | zfs_get_column_t col; | |
1588 | ||
1589 | for (i = 0; i < ZFS_GET_NCOLS && | |
1590 | (col = cbp->cb_columns[i]) != GET_COL_NONE; i++) | |
1591 | if (col == GET_COL_RECVD) | |
1592 | return (B_TRUE); | |
1593 | return (B_FALSE); | |
1594 | } | |
1595 | ||
1596 | /* | |
1597 | * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...] | |
1598 | * < all | property[,property]... > < fs | snap | vol > ... | |
1599 | * | |
1600 | * -r recurse over any child datasets | |
1601 | * -H scripted mode. Headers are stripped, and fields are separated | |
1602 | * by tabs instead of spaces. | |
1603 | * -o Set of fields to display. One of "name,property,value, | |
1604 | * received,source". Default is "name,property,value,source". | |
1605 | * "all" is an alias for all five. | |
1606 | * -s Set of sources to allow. One of | |
1607 | * "local,default,inherited,received,temporary,none". Default is | |
1608 | * all six. | |
1609 | * -p Display values in parsable (literal) format. | |
1610 | * | |
1611 | * Prints properties for the given datasets. The user can control which | |
1612 | * columns to display as well as which property types to allow. | |
1613 | */ | |
1614 | ||
1615 | /* | |
1616 | * Invoked to display the properties for a single dataset. | |
1617 | */ | |
1618 | static int | |
1619 | get_callback(zfs_handle_t *zhp, void *data) | |
1620 | { | |
1621 | char buf[ZFS_MAXPROPLEN]; | |
1622 | char rbuf[ZFS_MAXPROPLEN]; | |
1623 | zprop_source_t sourcetype; | |
1624 | char source[ZFS_MAX_DATASET_NAME_LEN]; | |
1625 | zprop_get_cbdata_t *cbp = data; | |
1626 | nvlist_t *user_props = zfs_get_user_props(zhp); | |
1627 | zprop_list_t *pl = cbp->cb_proplist; | |
1628 | nvlist_t *propval; | |
1629 | char *strval; | |
1630 | char *sourceval; | |
1631 | boolean_t received = is_recvd_column(cbp); | |
1632 | ||
1633 | for (; pl != NULL; pl = pl->pl_next) { | |
1634 | char *recvdval = NULL; | |
1635 | /* | |
1636 | * Skip the special fake placeholder. This will also skip over | |
1637 | * the name property when 'all' is specified. | |
1638 | */ | |
1639 | if (pl->pl_prop == ZFS_PROP_NAME && | |
1640 | pl == cbp->cb_proplist) | |
1641 | continue; | |
1642 | ||
1643 | if (pl->pl_prop != ZPROP_INVAL) { | |
1644 | if (zfs_prop_get(zhp, pl->pl_prop, buf, | |
1645 | sizeof (buf), &sourcetype, source, | |
1646 | sizeof (source), | |
1647 | cbp->cb_literal) != 0) { | |
1648 | if (pl->pl_all) | |
1649 | continue; | |
1650 | if (!zfs_prop_valid_for_type(pl->pl_prop, | |
1651 | ZFS_TYPE_DATASET, B_FALSE)) { | |
1652 | (void) fprintf(stderr, | |
1653 | gettext("No such property '%s'\n"), | |
1654 | zfs_prop_to_name(pl->pl_prop)); | |
1655 | continue; | |
1656 | } | |
1657 | sourcetype = ZPROP_SRC_NONE; | |
1658 | (void) strlcpy(buf, "-", sizeof (buf)); | |
1659 | } | |
1660 | ||
1661 | if (received && (zfs_prop_get_recvd(zhp, | |
1662 | zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf), | |
1663 | cbp->cb_literal) == 0)) | |
1664 | recvdval = rbuf; | |
1665 | ||
1666 | zprop_print_one_property(zfs_get_name(zhp), cbp, | |
1667 | zfs_prop_to_name(pl->pl_prop), | |
1668 | buf, sourcetype, source, recvdval); | |
1669 | } else if (zfs_prop_userquota(pl->pl_user_prop)) { | |
1670 | sourcetype = ZPROP_SRC_LOCAL; | |
1671 | ||
1672 | if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, | |
1673 | buf, sizeof (buf), cbp->cb_literal) != 0) { | |
1674 | sourcetype = ZPROP_SRC_NONE; | |
1675 | (void) strlcpy(buf, "-", sizeof (buf)); | |
1676 | } | |
1677 | ||
1678 | zprop_print_one_property(zfs_get_name(zhp), cbp, | |
1679 | pl->pl_user_prop, buf, sourcetype, source, NULL); | |
1680 | } else if (zfs_prop_written(pl->pl_user_prop)) { | |
1681 | sourcetype = ZPROP_SRC_LOCAL; | |
1682 | ||
1683 | if (zfs_prop_get_written(zhp, pl->pl_user_prop, | |
1684 | buf, sizeof (buf), cbp->cb_literal) != 0) { | |
1685 | sourcetype = ZPROP_SRC_NONE; | |
1686 | (void) strlcpy(buf, "-", sizeof (buf)); | |
1687 | } | |
1688 | ||
1689 | zprop_print_one_property(zfs_get_name(zhp), cbp, | |
1690 | pl->pl_user_prop, buf, sourcetype, source, NULL); | |
1691 | } else { | |
1692 | if (nvlist_lookup_nvlist(user_props, | |
1693 | pl->pl_user_prop, &propval) != 0) { | |
1694 | if (pl->pl_all) | |
1695 | continue; | |
1696 | sourcetype = ZPROP_SRC_NONE; | |
1697 | strval = "-"; | |
1698 | } else { | |
1699 | verify(nvlist_lookup_string(propval, | |
1700 | ZPROP_VALUE, &strval) == 0); | |
1701 | verify(nvlist_lookup_string(propval, | |
1702 | ZPROP_SOURCE, &sourceval) == 0); | |
1703 | ||
1704 | if (strcmp(sourceval, | |
1705 | zfs_get_name(zhp)) == 0) { | |
1706 | sourcetype = ZPROP_SRC_LOCAL; | |
1707 | } else if (strcmp(sourceval, | |
1708 | ZPROP_SOURCE_VAL_RECVD) == 0) { | |
1709 | sourcetype = ZPROP_SRC_RECEIVED; | |
1710 | } else { | |
1711 | sourcetype = ZPROP_SRC_INHERITED; | |
1712 | (void) strlcpy(source, | |
1713 | sourceval, sizeof (source)); | |
1714 | } | |
1715 | } | |
1716 | ||
1717 | if (received && (zfs_prop_get_recvd(zhp, | |
1718 | pl->pl_user_prop, rbuf, sizeof (rbuf), | |
1719 | cbp->cb_literal) == 0)) | |
1720 | recvdval = rbuf; | |
1721 | ||
1722 | zprop_print_one_property(zfs_get_name(zhp), cbp, | |
1723 | pl->pl_user_prop, strval, sourcetype, | |
1724 | source, recvdval); | |
1725 | } | |
1726 | } | |
1727 | ||
1728 | return (0); | |
1729 | } | |
1730 | ||
1731 | static int | |
1732 | zfs_do_get(int argc, char **argv) | |
1733 | { | |
1734 | zprop_get_cbdata_t cb = { 0 }; | |
1735 | int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS; | |
1736 | int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK; | |
1737 | char *value, *fields; | |
1738 | int ret = 0; | |
1739 | int limit = 0; | |
1740 | zprop_list_t fake_name = { 0 }; | |
1741 | ||
1742 | /* | |
1743 | * Set up default columns and sources. | |
1744 | */ | |
1745 | cb.cb_sources = ZPROP_SRC_ALL; | |
1746 | cb.cb_columns[0] = GET_COL_NAME; | |
1747 | cb.cb_columns[1] = GET_COL_PROPERTY; | |
1748 | cb.cb_columns[2] = GET_COL_VALUE; | |
1749 | cb.cb_columns[3] = GET_COL_SOURCE; | |
1750 | cb.cb_type = ZFS_TYPE_DATASET; | |
1751 | ||
1752 | /* check options */ | |
1753 | while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) { | |
1754 | switch (c) { | |
1755 | case 'p': | |
1756 | cb.cb_literal = B_TRUE; | |
1757 | break; | |
1758 | case 'd': | |
1759 | limit = parse_depth(optarg, &flags); | |
1760 | break; | |
1761 | case 'r': | |
1762 | flags |= ZFS_ITER_RECURSE; | |
1763 | break; | |
1764 | case 'H': | |
1765 | cb.cb_scripted = B_TRUE; | |
1766 | break; | |
1767 | case ':': | |
1768 | (void) fprintf(stderr, gettext("missing argument for " | |
1769 | "'%c' option\n"), optopt); | |
1770 | usage(B_FALSE); | |
1771 | break; | |
1772 | case 'o': | |
1773 | /* | |
1774 | * Process the set of columns to display. We zero out | |
1775 | * the structure to give us a blank slate. | |
1776 | */ | |
1777 | bzero(&cb.cb_columns, sizeof (cb.cb_columns)); | |
1778 | i = 0; | |
1779 | while (*optarg != '\0') { | |
1780 | static char *col_subopts[] = | |
1781 | { "name", "property", "value", "received", | |
1782 | "source", "all", NULL }; | |
1783 | ||
1784 | if (i == ZFS_GET_NCOLS) { | |
1785 | (void) fprintf(stderr, gettext("too " | |
1786 | "many fields given to -o " | |
1787 | "option\n")); | |
1788 | usage(B_FALSE); | |
1789 | } | |
1790 | ||
1791 | switch (getsubopt(&optarg, col_subopts, | |
1792 | &value)) { | |
1793 | case 0: | |
1794 | cb.cb_columns[i++] = GET_COL_NAME; | |
1795 | break; | |
1796 | case 1: | |
1797 | cb.cb_columns[i++] = GET_COL_PROPERTY; | |
1798 | break; | |
1799 | case 2: | |
1800 | cb.cb_columns[i++] = GET_COL_VALUE; | |
1801 | break; | |
1802 | case 3: | |
1803 | cb.cb_columns[i++] = GET_COL_RECVD; | |
1804 | flags |= ZFS_ITER_RECVD_PROPS; | |
1805 | break; | |
1806 | case 4: | |
1807 | cb.cb_columns[i++] = GET_COL_SOURCE; | |
1808 | break; | |
1809 | case 5: | |
1810 | if (i > 0) { | |
1811 | (void) fprintf(stderr, | |
1812 | gettext("\"all\" conflicts " | |
1813 | "with specific fields " | |
1814 | "given to -o option\n")); | |
1815 | usage(B_FALSE); | |
1816 | } | |
1817 | cb.cb_columns[0] = GET_COL_NAME; | |
1818 | cb.cb_columns[1] = GET_COL_PROPERTY; | |
1819 | cb.cb_columns[2] = GET_COL_VALUE; | |
1820 | cb.cb_columns[3] = GET_COL_RECVD; | |
1821 | cb.cb_columns[4] = GET_COL_SOURCE; | |
1822 | flags |= ZFS_ITER_RECVD_PROPS; | |
1823 | i = ZFS_GET_NCOLS; | |
1824 | break; | |
1825 | default: | |
1826 | (void) fprintf(stderr, | |
1827 | gettext("invalid column name " | |
1828 | "'%s'\n"), value); | |
1829 | usage(B_FALSE); | |
1830 | } | |
1831 | } | |
1832 | break; | |
1833 | ||
1834 | case 's': | |
1835 | cb.cb_sources = 0; | |
1836 | while (*optarg != '\0') { | |
1837 | static char *source_subopts[] = { | |
1838 | "local", "default", "inherited", | |
1839 | "received", "temporary", "none", | |
1840 | NULL }; | |
1841 | ||
1842 | switch (getsubopt(&optarg, source_subopts, | |
1843 | &value)) { | |
1844 | case 0: | |
1845 | cb.cb_sources |= ZPROP_SRC_LOCAL; | |
1846 | break; | |
1847 | case 1: | |
1848 | cb.cb_sources |= ZPROP_SRC_DEFAULT; | |
1849 | break; | |
1850 | case 2: | |
1851 | cb.cb_sources |= ZPROP_SRC_INHERITED; | |
1852 | break; | |
1853 | case 3: | |
1854 | cb.cb_sources |= ZPROP_SRC_RECEIVED; | |
1855 | break; | |
1856 | case 4: | |
1857 | cb.cb_sources |= ZPROP_SRC_TEMPORARY; | |
1858 | break; | |
1859 | case 5: | |
1860 | cb.cb_sources |= ZPROP_SRC_NONE; | |
1861 | break; | |
1862 | default: | |
1863 | (void) fprintf(stderr, | |
1864 | gettext("invalid source " | |
1865 | "'%s'\n"), value); | |
1866 | usage(B_FALSE); | |
1867 | } | |
1868 | } | |
1869 | break; | |
1870 | ||
1871 | case 't': | |
1872 | types = 0; | |
1873 | flags &= ~ZFS_ITER_PROP_LISTSNAPS; | |
1874 | while (*optarg != '\0') { | |
1875 | static char *type_subopts[] = { "filesystem", | |
1876 | "volume", "snapshot", "bookmark", | |
1877 | "all", NULL }; | |
1878 | ||
1879 | switch (getsubopt(&optarg, type_subopts, | |
1880 | &value)) { | |
1881 | case 0: | |
1882 | types |= ZFS_TYPE_FILESYSTEM; | |
1883 | break; | |
1884 | case 1: | |
1885 | types |= ZFS_TYPE_VOLUME; | |
1886 | break; | |
1887 | case 2: | |
1888 | types |= ZFS_TYPE_SNAPSHOT; | |
1889 | break; | |
1890 | case 3: | |
1891 | types |= ZFS_TYPE_BOOKMARK; | |
1892 | break; | |
1893 | case 4: | |
1894 | types = ZFS_TYPE_DATASET | | |
1895 | ZFS_TYPE_BOOKMARK; | |
1896 | break; | |
1897 | ||
1898 | default: | |
1899 | (void) fprintf(stderr, | |
1900 | gettext("invalid type '%s'\n"), | |
1901 | value); | |
1902 | usage(B_FALSE); | |
1903 | } | |
1904 | } | |
1905 | break; | |
1906 | ||
1907 | case '?': | |
1908 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
1909 | optopt); | |
1910 | usage(B_FALSE); | |
1911 | } | |
1912 | } | |
1913 | ||
1914 | argc -= optind; | |
1915 | argv += optind; | |
1916 | ||
1917 | if (argc < 1) { | |
1918 | (void) fprintf(stderr, gettext("missing property " | |
1919 | "argument\n")); | |
1920 | usage(B_FALSE); | |
1921 | } | |
1922 | ||
1923 | fields = argv[0]; | |
1924 | ||
1925 | if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) | |
1926 | != 0) | |
1927 | usage(B_FALSE); | |
1928 | ||
1929 | argc--; | |
1930 | argv++; | |
1931 | ||
1932 | /* | |
1933 | * As part of zfs_expand_proplist(), we keep track of the maximum column | |
1934 | * width for each property. For the 'NAME' (and 'SOURCE') columns, we | |
1935 | * need to know the maximum name length. However, the user likely did | |
1936 | * not specify 'name' as one of the properties to fetch, so we need to | |
1937 | * make sure we always include at least this property for | |
1938 | * print_get_headers() to work properly. | |
1939 | */ | |
1940 | if (cb.cb_proplist != NULL) { | |
1941 | fake_name.pl_prop = ZFS_PROP_NAME; | |
1942 | fake_name.pl_width = strlen(gettext("NAME")); | |
1943 | fake_name.pl_next = cb.cb_proplist; | |
1944 | cb.cb_proplist = &fake_name; | |
1945 | } | |
1946 | ||
1947 | cb.cb_first = B_TRUE; | |
1948 | ||
1949 | /* run for each object */ | |
1950 | ret = zfs_for_each(argc, argv, flags, types, NULL, | |
1951 | &cb.cb_proplist, limit, get_callback, &cb); | |
1952 | ||
1953 | if (cb.cb_proplist == &fake_name) | |
1954 | zprop_free_list(fake_name.pl_next); | |
1955 | else | |
1956 | zprop_free_list(cb.cb_proplist); | |
1957 | ||
1958 | return (ret); | |
1959 | } | |
1960 | ||
1961 | /* | |
1962 | * inherit [-rS] <property> <fs|vol> ... | |
1963 | * | |
1964 | * -r Recurse over all children | |
1965 | * -S Revert to received value, if any | |
1966 | * | |
1967 | * For each dataset specified on the command line, inherit the given property | |
1968 | * from its parent. Inheriting a property at the pool level will cause it to | |
1969 | * use the default value. The '-r' flag will recurse over all children, and is | |
1970 | * useful for setting a property on a hierarchy-wide basis, regardless of any | |
1971 | * local modifications for each dataset. | |
1972 | */ | |
1973 | ||
1974 | typedef struct inherit_cbdata { | |
1975 | const char *cb_propname; | |
1976 | boolean_t cb_received; | |
1977 | } inherit_cbdata_t; | |
1978 | ||
1979 | static int | |
1980 | inherit_recurse_cb(zfs_handle_t *zhp, void *data) | |
1981 | { | |
1982 | inherit_cbdata_t *cb = data; | |
1983 | zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname); | |
1984 | ||
1985 | /* | |
1986 | * If we're doing it recursively, then ignore properties that | |
1987 | * are not valid for this type of dataset. | |
1988 | */ | |
1989 | if (prop != ZPROP_INVAL && | |
1990 | !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE)) | |
1991 | return (0); | |
1992 | ||
1993 | return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); | |
1994 | } | |
1995 | ||
1996 | static int | |
1997 | inherit_cb(zfs_handle_t *zhp, void *data) | |
1998 | { | |
1999 | inherit_cbdata_t *cb = data; | |
2000 | ||
2001 | return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); | |
2002 | } | |
2003 | ||
2004 | static int | |
2005 | zfs_do_inherit(int argc, char **argv) | |
2006 | { | |
2007 | int c; | |
2008 | zfs_prop_t prop; | |
2009 | inherit_cbdata_t cb = { 0 }; | |
2010 | char *propname; | |
2011 | int ret = 0; | |
2012 | int flags = 0; | |
2013 | boolean_t received = B_FALSE; | |
2014 | ||
2015 | /* check options */ | |
2016 | while ((c = getopt(argc, argv, "rS")) != -1) { | |
2017 | switch (c) { | |
2018 | case 'r': | |
2019 | flags |= ZFS_ITER_RECURSE; | |
2020 | break; | |
2021 | case 'S': | |
2022 | received = B_TRUE; | |
2023 | break; | |
2024 | case '?': | |
2025 | default: | |
2026 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2027 | optopt); | |
2028 | usage(B_FALSE); | |
2029 | } | |
2030 | } | |
2031 | ||
2032 | argc -= optind; | |
2033 | argv += optind; | |
2034 | ||
2035 | /* check number of arguments */ | |
2036 | if (argc < 1) { | |
2037 | (void) fprintf(stderr, gettext("missing property argument\n")); | |
2038 | usage(B_FALSE); | |
2039 | } | |
2040 | if (argc < 2) { | |
2041 | (void) fprintf(stderr, gettext("missing dataset argument\n")); | |
2042 | usage(B_FALSE); | |
2043 | } | |
2044 | ||
2045 | propname = argv[0]; | |
2046 | argc--; | |
2047 | argv++; | |
2048 | ||
2049 | if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { | |
2050 | if (zfs_prop_readonly(prop)) { | |
2051 | (void) fprintf(stderr, gettext( | |
2052 | "%s property is read-only\n"), | |
2053 | propname); | |
2054 | return (1); | |
2055 | } | |
2056 | if (!zfs_prop_inheritable(prop) && !received) { | |
2057 | (void) fprintf(stderr, gettext("'%s' property cannot " | |
2058 | "be inherited\n"), propname); | |
2059 | if (prop == ZFS_PROP_QUOTA || | |
2060 | prop == ZFS_PROP_RESERVATION || | |
2061 | prop == ZFS_PROP_REFQUOTA || | |
2062 | prop == ZFS_PROP_REFRESERVATION) { | |
2063 | (void) fprintf(stderr, gettext("use 'zfs set " | |
2064 | "%s=none' to clear\n"), propname); | |
2065 | (void) fprintf(stderr, gettext("use 'zfs " | |
2066 | "inherit -S %s' to revert to received " | |
2067 | "value\n"), propname); | |
2068 | } | |
2069 | return (1); | |
2070 | } | |
2071 | if (received && (prop == ZFS_PROP_VOLSIZE || | |
2072 | prop == ZFS_PROP_VERSION)) { | |
2073 | (void) fprintf(stderr, gettext("'%s' property cannot " | |
2074 | "be reverted to a received value\n"), propname); | |
2075 | return (1); | |
2076 | } | |
2077 | } else if (!zfs_prop_user(propname)) { | |
2078 | (void) fprintf(stderr, gettext("invalid property '%s'\n"), | |
2079 | propname); | |
2080 | usage(B_FALSE); | |
2081 | } | |
2082 | ||
2083 | cb.cb_propname = propname; | |
2084 | cb.cb_received = received; | |
2085 | ||
2086 | if (flags & ZFS_ITER_RECURSE) { | |
2087 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, | |
2088 | NULL, NULL, 0, inherit_recurse_cb, &cb); | |
2089 | } else { | |
2090 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, | |
2091 | NULL, NULL, 0, inherit_cb, &cb); | |
2092 | } | |
2093 | ||
2094 | return (ret); | |
2095 | } | |
2096 | ||
2097 | typedef struct upgrade_cbdata { | |
2098 | uint64_t cb_numupgraded; | |
2099 | uint64_t cb_numsamegraded; | |
2100 | uint64_t cb_numfailed; | |
2101 | uint64_t cb_version; | |
2102 | boolean_t cb_newer; | |
2103 | boolean_t cb_foundone; | |
2104 | char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN]; | |
2105 | } upgrade_cbdata_t; | |
2106 | ||
2107 | static int | |
2108 | same_pool(zfs_handle_t *zhp, const char *name) | |
2109 | { | |
2110 | int len1 = strcspn(name, "/@"); | |
2111 | const char *zhname = zfs_get_name(zhp); | |
2112 | int len2 = strcspn(zhname, "/@"); | |
2113 | ||
2114 | if (len1 != len2) | |
2115 | return (B_FALSE); | |
2116 | return (strncmp(name, zhname, len1) == 0); | |
2117 | } | |
2118 | ||
2119 | static int | |
2120 | upgrade_list_callback(zfs_handle_t *zhp, void *data) | |
2121 | { | |
2122 | upgrade_cbdata_t *cb = data; | |
2123 | int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); | |
2124 | ||
2125 | /* list if it's old/new */ | |
2126 | if ((!cb->cb_newer && version < ZPL_VERSION) || | |
2127 | (cb->cb_newer && version > ZPL_VERSION)) { | |
2128 | char *str; | |
2129 | if (cb->cb_newer) { | |
2130 | str = gettext("The following filesystems are " | |
2131 | "formatted using a newer software version and\n" | |
2132 | "cannot be accessed on the current system.\n\n"); | |
2133 | } else { | |
2134 | str = gettext("The following filesystems are " | |
2135 | "out of date, and can be upgraded. After being\n" | |
2136 | "upgraded, these filesystems (and any 'zfs send' " | |
2137 | "streams generated from\n" | |
2138 | "subsequent snapshots) will no longer be " | |
2139 | "accessible by older software versions.\n\n"); | |
2140 | } | |
2141 | ||
2142 | if (!cb->cb_foundone) { | |
2143 | (void) puts(str); | |
2144 | (void) printf(gettext("VER FILESYSTEM\n")); | |
2145 | (void) printf(gettext("--- ------------\n")); | |
2146 | cb->cb_foundone = B_TRUE; | |
2147 | } | |
2148 | ||
2149 | (void) printf("%2u %s\n", version, zfs_get_name(zhp)); | |
2150 | } | |
2151 | ||
2152 | return (0); | |
2153 | } | |
2154 | ||
2155 | static int | |
2156 | upgrade_set_callback(zfs_handle_t *zhp, void *data) | |
2157 | { | |
2158 | upgrade_cbdata_t *cb = data; | |
2159 | int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); | |
2160 | int needed_spa_version; | |
2161 | int spa_version; | |
2162 | ||
2163 | if (zfs_spa_version(zhp, &spa_version) < 0) | |
2164 | return (-1); | |
2165 | ||
2166 | needed_spa_version = zfs_spa_version_map(cb->cb_version); | |
2167 | ||
2168 | if (needed_spa_version < 0) | |
2169 | return (-1); | |
2170 | ||
2171 | if (spa_version < needed_spa_version) { | |
2172 | /* can't upgrade */ | |
2173 | (void) printf(gettext("%s: can not be " | |
2174 | "upgraded; the pool version needs to first " | |
2175 | "be upgraded\nto version %d\n\n"), | |
2176 | zfs_get_name(zhp), needed_spa_version); | |
2177 | cb->cb_numfailed++; | |
2178 | return (0); | |
2179 | } | |
2180 | ||
2181 | /* upgrade */ | |
2182 | if (version < cb->cb_version) { | |
2183 | char verstr[16]; | |
2184 | (void) snprintf(verstr, sizeof (verstr), | |
2185 | "%llu", (u_longlong_t)cb->cb_version); | |
2186 | if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) { | |
2187 | /* | |
2188 | * If they did "zfs upgrade -a", then we could | |
2189 | * be doing ioctls to different pools. We need | |
2190 | * to log this history once to each pool, and bypass | |
2191 | * the normal history logging that happens in main(). | |
2192 | */ | |
2193 | (void) zpool_log_history(g_zfs, history_str); | |
2194 | log_history = B_FALSE; | |
2195 | } | |
2196 | if (zfs_prop_set(zhp, "version", verstr) == 0) | |
2197 | cb->cb_numupgraded++; | |
2198 | else | |
2199 | cb->cb_numfailed++; | |
2200 | (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp)); | |
2201 | } else if (version > cb->cb_version) { | |
2202 | /* can't downgrade */ | |
2203 | (void) printf(gettext("%s: can not be downgraded; " | |
2204 | "it is already at version %u\n"), | |
2205 | zfs_get_name(zhp), version); | |
2206 | cb->cb_numfailed++; | |
2207 | } else { | |
2208 | cb->cb_numsamegraded++; | |
2209 | } | |
2210 | return (0); | |
2211 | } | |
2212 | ||
2213 | /* | |
2214 | * zfs upgrade | |
2215 | * zfs upgrade -v | |
2216 | * zfs upgrade [-r] [-V <version>] <-a | filesystem> | |
2217 | */ | |
2218 | static int | |
2219 | zfs_do_upgrade(int argc, char **argv) | |
2220 | { | |
2221 | boolean_t all = B_FALSE; | |
2222 | boolean_t showversions = B_FALSE; | |
2223 | int ret = 0; | |
2224 | upgrade_cbdata_t cb = { 0 }; | |
2225 | signed char c; | |
2226 | int flags = ZFS_ITER_ARGS_CAN_BE_PATHS; | |
2227 | ||
2228 | /* check options */ | |
2229 | while ((c = getopt(argc, argv, "rvV:a")) != -1) { | |
2230 | switch (c) { | |
2231 | case 'r': | |
2232 | flags |= ZFS_ITER_RECURSE; | |
2233 | break; | |
2234 | case 'v': | |
2235 | showversions = B_TRUE; | |
2236 | break; | |
2237 | case 'V': | |
2238 | if (zfs_prop_string_to_index(ZFS_PROP_VERSION, | |
2239 | optarg, &cb.cb_version) != 0) { | |
2240 | (void) fprintf(stderr, | |
2241 | gettext("invalid version %s\n"), optarg); | |
2242 | usage(B_FALSE); | |
2243 | } | |
2244 | break; | |
2245 | case 'a': | |
2246 | all = B_TRUE; | |
2247 | break; | |
2248 | case '?': | |
2249 | default: | |
2250 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2251 | optopt); | |
2252 | usage(B_FALSE); | |
2253 | } | |
2254 | } | |
2255 | ||
2256 | argc -= optind; | |
2257 | argv += optind; | |
2258 | ||
2259 | if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version)) | |
2260 | usage(B_FALSE); | |
2261 | if (showversions && (flags & ZFS_ITER_RECURSE || all || | |
2262 | cb.cb_version || argc)) | |
2263 | usage(B_FALSE); | |
2264 | if ((all || argc) && (showversions)) | |
2265 | usage(B_FALSE); | |
2266 | if (all && argc) | |
2267 | usage(B_FALSE); | |
2268 | ||
2269 | if (showversions) { | |
2270 | /* Show info on available versions. */ | |
2271 | (void) printf(gettext("The following filesystem versions are " | |
2272 | "supported:\n\n")); | |
2273 | (void) printf(gettext("VER DESCRIPTION\n")); | |
2274 | (void) printf("--- -----------------------------------------" | |
2275 | "---------------\n"); | |
2276 | (void) printf(gettext(" 1 Initial ZFS filesystem version\n")); | |
2277 | (void) printf(gettext(" 2 Enhanced directory entries\n")); | |
2278 | (void) printf(gettext(" 3 Case insensitive and filesystem " | |
2279 | "user identifier (FUID)\n")); | |
2280 | (void) printf(gettext(" 4 userquota, groupquota " | |
2281 | "properties\n")); | |
2282 | (void) printf(gettext(" 5 System attributes\n")); | |
2283 | (void) printf(gettext("\nFor more information on a particular " | |
2284 | "version, including supported releases,\n")); | |
2285 | (void) printf("see the ZFS Administration Guide.\n\n"); | |
2286 | ret = 0; | |
2287 | } else if (argc || all) { | |
2288 | /* Upgrade filesystems */ | |
2289 | if (cb.cb_version == 0) | |
2290 | cb.cb_version = ZPL_VERSION; | |
2291 | ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM, | |
2292 | NULL, NULL, 0, upgrade_set_callback, &cb); | |
2293 | (void) printf(gettext("%llu filesystems upgraded\n"), | |
2294 | (u_longlong_t)cb.cb_numupgraded); | |
2295 | if (cb.cb_numsamegraded) { | |
2296 | (void) printf(gettext("%llu filesystems already at " | |
2297 | "this version\n"), | |
2298 | (u_longlong_t)cb.cb_numsamegraded); | |
2299 | } | |
2300 | if (cb.cb_numfailed != 0) | |
2301 | ret = 1; | |
2302 | } else { | |
2303 | /* List old-version filesystems */ | |
2304 | boolean_t found; | |
2305 | (void) printf(gettext("This system is currently running " | |
2306 | "ZFS filesystem version %llu.\n\n"), ZPL_VERSION); | |
2307 | ||
2308 | flags |= ZFS_ITER_RECURSE; | |
2309 | ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, | |
2310 | NULL, NULL, 0, upgrade_list_callback, &cb); | |
2311 | ||
2312 | found = cb.cb_foundone; | |
2313 | cb.cb_foundone = B_FALSE; | |
2314 | cb.cb_newer = B_TRUE; | |
2315 | ||
2316 | ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, | |
2317 | NULL, NULL, 0, upgrade_list_callback, &cb); | |
2318 | ||
2319 | if (!cb.cb_foundone && !found) { | |
2320 | (void) printf(gettext("All filesystems are " | |
2321 | "formatted with the current version.\n")); | |
2322 | } | |
2323 | } | |
2324 | ||
2325 | return (ret); | |
2326 | } | |
2327 | ||
2328 | /* | |
2329 | * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...] | |
2330 | * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot | |
2331 | * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...] | |
2332 | * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot | |
2333 | * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...] | |
2334 | * [-S field [-S field]...] filesystem | snapshot | |
2335 | * | |
2336 | * -H Scripted mode; elide headers and separate columns by tabs. | |
2337 | * -i Translate SID to POSIX ID. | |
2338 | * -n Print numeric ID instead of user/group name. | |
2339 | * -o Control which fields to display. | |
2340 | * -p Use exact (parsable) numeric output. | |
2341 | * -s Specify sort columns, descending order. | |
2342 | * -S Specify sort columns, ascending order. | |
2343 | * -t Control which object types to display. | |
2344 | * | |
2345 | * Displays space consumed by, and quotas on, each user in the specified | |
2346 | * filesystem or snapshot. | |
2347 | */ | |
2348 | ||
2349 | /* us_field_types, us_field_hdr and us_field_names should be kept in sync */ | |
2350 | enum us_field_types { | |
2351 | USFIELD_TYPE, | |
2352 | USFIELD_NAME, | |
2353 | USFIELD_USED, | |
2354 | USFIELD_QUOTA, | |
2355 | USFIELD_OBJUSED, | |
2356 | USFIELD_OBJQUOTA | |
2357 | }; | |
2358 | static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA", | |
2359 | "OBJUSED", "OBJQUOTA" }; | |
2360 | static char *us_field_names[] = { "type", "name", "used", "quota", | |
2361 | "objused", "objquota" }; | |
2362 | #define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *)) | |
2363 | ||
2364 | #define USTYPE_PSX_GRP (1 << 0) | |
2365 | #define USTYPE_PSX_USR (1 << 1) | |
2366 | #define USTYPE_SMB_GRP (1 << 2) | |
2367 | #define USTYPE_SMB_USR (1 << 3) | |
2368 | #define USTYPE_PROJ (1 << 4) | |
2369 | #define USTYPE_ALL \ | |
2370 | (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \ | |
2371 | USTYPE_PROJ) | |
2372 | ||
2373 | static int us_type_bits[] = { | |
2374 | USTYPE_PSX_GRP, | |
2375 | USTYPE_PSX_USR, | |
2376 | USTYPE_SMB_GRP, | |
2377 | USTYPE_SMB_USR, | |
2378 | USTYPE_ALL | |
2379 | }; | |
2380 | static char *us_type_names[] = { "posixgroup", "posixuser", "smbgroup", | |
2381 | "smbuser", "all" }; | |
2382 | ||
2383 | typedef struct us_node { | |
2384 | nvlist_t *usn_nvl; | |
2385 | uu_avl_node_t usn_avlnode; | |
2386 | uu_list_node_t usn_listnode; | |
2387 | } us_node_t; | |
2388 | ||
2389 | typedef struct us_cbdata { | |
2390 | nvlist_t **cb_nvlp; | |
2391 | uu_avl_pool_t *cb_avl_pool; | |
2392 | uu_avl_t *cb_avl; | |
2393 | boolean_t cb_numname; | |
2394 | boolean_t cb_nicenum; | |
2395 | boolean_t cb_sid2posix; | |
2396 | zfs_userquota_prop_t cb_prop; | |
2397 | zfs_sort_column_t *cb_sortcol; | |
2398 | size_t cb_width[USFIELD_LAST]; | |
2399 | } us_cbdata_t; | |
2400 | ||
2401 | static boolean_t us_populated = B_FALSE; | |
2402 | ||
2403 | typedef struct { | |
2404 | zfs_sort_column_t *si_sortcol; | |
2405 | boolean_t si_numname; | |
2406 | } us_sort_info_t; | |
2407 | ||
2408 | static int | |
2409 | us_field_index(char *field) | |
2410 | { | |
2411 | int i; | |
2412 | ||
2413 | for (i = 0; i < USFIELD_LAST; i++) { | |
2414 | if (strcmp(field, us_field_names[i]) == 0) | |
2415 | return (i); | |
2416 | } | |
2417 | ||
2418 | return (-1); | |
2419 | } | |
2420 | ||
2421 | static int | |
2422 | us_compare(const void *larg, const void *rarg, void *unused) | |
2423 | { | |
2424 | const us_node_t *l = larg; | |
2425 | const us_node_t *r = rarg; | |
2426 | us_sort_info_t *si = (us_sort_info_t *)unused; | |
2427 | zfs_sort_column_t *sortcol = si->si_sortcol; | |
2428 | boolean_t numname = si->si_numname; | |
2429 | nvlist_t *lnvl = l->usn_nvl; | |
2430 | nvlist_t *rnvl = r->usn_nvl; | |
2431 | int rc = 0; | |
2432 | boolean_t lvb, rvb; | |
2433 | ||
2434 | for (; sortcol != NULL; sortcol = sortcol->sc_next) { | |
2435 | char *lvstr = ""; | |
2436 | char *rvstr = ""; | |
2437 | uint32_t lv32 = 0; | |
2438 | uint32_t rv32 = 0; | |
2439 | uint64_t lv64 = 0; | |
2440 | uint64_t rv64 = 0; | |
2441 | zfs_prop_t prop = sortcol->sc_prop; | |
2442 | const char *propname = NULL; | |
2443 | boolean_t reverse = sortcol->sc_reverse; | |
2444 | ||
2445 | switch (prop) { | |
2446 | case ZFS_PROP_TYPE: | |
2447 | propname = "type"; | |
2448 | (void) nvlist_lookup_uint32(lnvl, propname, &lv32); | |
2449 | (void) nvlist_lookup_uint32(rnvl, propname, &rv32); | |
2450 | if (rv32 != lv32) | |
2451 | rc = (rv32 < lv32) ? 1 : -1; | |
2452 | break; | |
2453 | case ZFS_PROP_NAME: | |
2454 | propname = "name"; | |
2455 | if (numname) { | |
2456 | compare_nums: | |
2457 | (void) nvlist_lookup_uint64(lnvl, propname, | |
2458 | &lv64); | |
2459 | (void) nvlist_lookup_uint64(rnvl, propname, | |
2460 | &rv64); | |
2461 | if (rv64 != lv64) | |
2462 | rc = (rv64 < lv64) ? 1 : -1; | |
2463 | } else { | |
2464 | if ((nvlist_lookup_string(lnvl, propname, | |
2465 | &lvstr) == ENOENT) || | |
2466 | (nvlist_lookup_string(rnvl, propname, | |
2467 | &rvstr) == ENOENT)) { | |
2468 | goto compare_nums; | |
2469 | } | |
2470 | rc = strcmp(lvstr, rvstr); | |
2471 | } | |
2472 | break; | |
2473 | case ZFS_PROP_USED: | |
2474 | case ZFS_PROP_QUOTA: | |
2475 | if (!us_populated) | |
2476 | break; | |
2477 | if (prop == ZFS_PROP_USED) | |
2478 | propname = "used"; | |
2479 | else | |
2480 | propname = "quota"; | |
2481 | (void) nvlist_lookup_uint64(lnvl, propname, &lv64); | |
2482 | (void) nvlist_lookup_uint64(rnvl, propname, &rv64); | |
2483 | if (rv64 != lv64) | |
2484 | rc = (rv64 < lv64) ? 1 : -1; | |
2485 | break; | |
2486 | ||
2487 | default: | |
2488 | break; | |
2489 | } | |
2490 | ||
2491 | if (rc != 0) { | |
2492 | if (rc < 0) | |
2493 | return (reverse ? 1 : -1); | |
2494 | else | |
2495 | return (reverse ? -1 : 1); | |
2496 | } | |
2497 | } | |
2498 | ||
2499 | /* | |
2500 | * If entries still seem to be the same, check if they are of the same | |
2501 | * type (smbentity is added only if we are doing SID to POSIX ID | |
2502 | * translation where we can have duplicate type/name combinations). | |
2503 | */ | |
2504 | if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 && | |
2505 | nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 && | |
2506 | lvb != rvb) | |
2507 | return (lvb < rvb ? -1 : 1); | |
2508 | ||
2509 | return (0); | |
2510 | } | |
2511 | ||
2512 | static boolean_t | |
2513 | zfs_prop_is_user(unsigned p) | |
2514 | { | |
2515 | return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA || | |
2516 | p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA); | |
2517 | } | |
2518 | ||
2519 | static boolean_t | |
2520 | zfs_prop_is_group(unsigned p) | |
2521 | { | |
2522 | return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA || | |
2523 | p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA); | |
2524 | } | |
2525 | ||
2526 | static boolean_t | |
2527 | zfs_prop_is_project(unsigned p) | |
2528 | { | |
2529 | return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA || | |
2530 | p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA); | |
2531 | } | |
2532 | ||
2533 | static inline const char * | |
2534 | us_type2str(unsigned field_type) | |
2535 | { | |
2536 | switch (field_type) { | |
2537 | case USTYPE_PSX_USR: | |
2538 | return ("POSIX User"); | |
2539 | case USTYPE_PSX_GRP: | |
2540 | return ("POSIX Group"); | |
2541 | case USTYPE_SMB_USR: | |
2542 | return ("SMB User"); | |
2543 | case USTYPE_SMB_GRP: | |
2544 | return ("SMB Group"); | |
2545 | case USTYPE_PROJ: | |
2546 | return ("Project"); | |
2547 | default: | |
2548 | return ("Undefined"); | |
2549 | } | |
2550 | } | |
2551 | ||
2552 | static int | |
2553 | userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space) | |
2554 | { | |
2555 | us_cbdata_t *cb = (us_cbdata_t *)arg; | |
2556 | zfs_userquota_prop_t prop = cb->cb_prop; | |
2557 | char *name = NULL; | |
2558 | char *propname; | |
2559 | char sizebuf[32]; | |
2560 | us_node_t *node; | |
2561 | uu_avl_pool_t *avl_pool = cb->cb_avl_pool; | |
2562 | uu_avl_t *avl = cb->cb_avl; | |
2563 | uu_avl_index_t idx; | |
2564 | nvlist_t *props; | |
2565 | us_node_t *n; | |
2566 | zfs_sort_column_t *sortcol = cb->cb_sortcol; | |
2567 | unsigned type = 0; | |
2568 | const char *typestr; | |
2569 | size_t namelen; | |
2570 | size_t typelen; | |
2571 | size_t sizelen; | |
2572 | int typeidx, nameidx, sizeidx; | |
2573 | us_sort_info_t sortinfo = { sortcol, cb->cb_numname }; | |
2574 | boolean_t smbentity = B_FALSE; | |
2575 | ||
2576 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) | |
2577 | nomem(); | |
2578 | node = safe_malloc(sizeof (us_node_t)); | |
2579 | uu_avl_node_init(node, &node->usn_avlnode, avl_pool); | |
2580 | node->usn_nvl = props; | |
2581 | ||
2582 | if (domain != NULL && domain[0] != '\0') { | |
2583 | #ifdef HAVE_IDMAP | |
2584 | /* SMB */ | |
2585 | char sid[MAXNAMELEN + 32]; | |
2586 | uid_t id; | |
2587 | uint64_t classes; | |
2588 | int err; | |
2589 | directory_error_t e; | |
2590 | ||
2591 | smbentity = B_TRUE; | |
2592 | ||
2593 | (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid); | |
2594 | ||
2595 | if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) { | |
2596 | type = USTYPE_SMB_GRP; | |
2597 | err = sid_to_id(sid, B_FALSE, &id); | |
2598 | } else { | |
2599 | type = USTYPE_SMB_USR; | |
2600 | err = sid_to_id(sid, B_TRUE, &id); | |
2601 | } | |
2602 | ||
2603 | if (err == 0) { | |
2604 | rid = id; | |
2605 | if (!cb->cb_sid2posix) { | |
2606 | e = directory_name_from_sid(NULL, sid, &name, | |
2607 | &classes); | |
2608 | if (e != NULL) | |
2609 | directory_error_free(e); | |
2610 | if (name == NULL) | |
2611 | name = sid; | |
2612 | } | |
2613 | } | |
2614 | #else | |
2615 | nvlist_free(props); | |
2616 | free(node); | |
2617 | ||
2618 | return (-1); | |
2619 | #endif /* HAVE_IDMAP */ | |
2620 | } | |
2621 | ||
2622 | if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') { | |
2623 | /* POSIX or -i */ | |
2624 | if (zfs_prop_is_group(prop)) { | |
2625 | type = USTYPE_PSX_GRP; | |
2626 | if (!cb->cb_numname) { | |
2627 | struct group *g; | |
2628 | ||
2629 | if ((g = getgrgid(rid)) != NULL) | |
2630 | name = g->gr_name; | |
2631 | } | |
2632 | } else if (zfs_prop_is_user(prop)) { | |
2633 | type = USTYPE_PSX_USR; | |
2634 | if (!cb->cb_numname) { | |
2635 | struct passwd *p; | |
2636 | ||
2637 | if ((p = getpwuid(rid)) != NULL) | |
2638 | name = p->pw_name; | |
2639 | } | |
2640 | } else { | |
2641 | type = USTYPE_PROJ; | |
2642 | } | |
2643 | } | |
2644 | ||
2645 | /* | |
2646 | * Make sure that the type/name combination is unique when doing | |
2647 | * SID to POSIX ID translation (hence changing the type from SMB to | |
2648 | * POSIX). | |
2649 | */ | |
2650 | if (cb->cb_sid2posix && | |
2651 | nvlist_add_boolean_value(props, "smbentity", smbentity) != 0) | |
2652 | nomem(); | |
2653 | ||
2654 | /* Calculate/update width of TYPE field */ | |
2655 | typestr = us_type2str(type); | |
2656 | typelen = strlen(gettext(typestr)); | |
2657 | typeidx = us_field_index("type"); | |
2658 | if (typelen > cb->cb_width[typeidx]) | |
2659 | cb->cb_width[typeidx] = typelen; | |
2660 | if (nvlist_add_uint32(props, "type", type) != 0) | |
2661 | nomem(); | |
2662 | ||
2663 | /* Calculate/update width of NAME field */ | |
2664 | if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) { | |
2665 | if (nvlist_add_uint64(props, "name", rid) != 0) | |
2666 | nomem(); | |
2667 | namelen = snprintf(NULL, 0, "%u", rid); | |
2668 | } else { | |
2669 | if (nvlist_add_string(props, "name", name) != 0) | |
2670 | nomem(); | |
2671 | namelen = strlen(name); | |
2672 | } | |
2673 | nameidx = us_field_index("name"); | |
2674 | if (nameidx >= 0 && namelen > cb->cb_width[nameidx]) | |
2675 | cb->cb_width[nameidx] = namelen; | |
2676 | ||
2677 | /* | |
2678 | * Check if this type/name combination is in the list and update it; | |
2679 | * otherwise add new node to the list. | |
2680 | */ | |
2681 | if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) { | |
2682 | uu_avl_insert(avl, node, idx); | |
2683 | } else { | |
2684 | nvlist_free(props); | |
2685 | free(node); | |
2686 | node = n; | |
2687 | props = node->usn_nvl; | |
2688 | } | |
2689 | ||
2690 | /* Calculate/update width of USED/QUOTA fields */ | |
2691 | if (cb->cb_nicenum) { | |
2692 | if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED || | |
2693 | prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA || | |
2694 | prop == ZFS_PROP_PROJECTUSED || | |
2695 | prop == ZFS_PROP_PROJECTQUOTA) { | |
2696 | zfs_nicebytes(space, sizebuf, sizeof (sizebuf)); | |
2697 | } else { | |
2698 | zfs_nicenum(space, sizebuf, sizeof (sizebuf)); | |
2699 | } | |
2700 | } else { | |
2701 | (void) snprintf(sizebuf, sizeof (sizebuf), "%llu", | |
2702 | (u_longlong_t)space); | |
2703 | } | |
2704 | sizelen = strlen(sizebuf); | |
2705 | if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED || | |
2706 | prop == ZFS_PROP_PROJECTUSED) { | |
2707 | propname = "used"; | |
2708 | if (!nvlist_exists(props, "quota")) | |
2709 | (void) nvlist_add_uint64(props, "quota", 0); | |
2710 | } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA || | |
2711 | prop == ZFS_PROP_PROJECTQUOTA) { | |
2712 | propname = "quota"; | |
2713 | if (!nvlist_exists(props, "used")) | |
2714 | (void) nvlist_add_uint64(props, "used", 0); | |
2715 | } else if (prop == ZFS_PROP_USEROBJUSED || | |
2716 | prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) { | |
2717 | propname = "objused"; | |
2718 | if (!nvlist_exists(props, "objquota")) | |
2719 | (void) nvlist_add_uint64(props, "objquota", 0); | |
2720 | } else if (prop == ZFS_PROP_USEROBJQUOTA || | |
2721 | prop == ZFS_PROP_GROUPOBJQUOTA || | |
2722 | prop == ZFS_PROP_PROJECTOBJQUOTA) { | |
2723 | propname = "objquota"; | |
2724 | if (!nvlist_exists(props, "objused")) | |
2725 | (void) nvlist_add_uint64(props, "objused", 0); | |
2726 | } else { | |
2727 | return (-1); | |
2728 | } | |
2729 | sizeidx = us_field_index(propname); | |
2730 | if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx]) | |
2731 | cb->cb_width[sizeidx] = sizelen; | |
2732 | ||
2733 | if (nvlist_add_uint64(props, propname, space) != 0) | |
2734 | nomem(); | |
2735 | ||
2736 | return (0); | |
2737 | } | |
2738 | ||
2739 | static void | |
2740 | print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types, | |
2741 | size_t *width, us_node_t *node) | |
2742 | { | |
2743 | nvlist_t *nvl = node->usn_nvl; | |
2744 | char valstr[MAXNAMELEN]; | |
2745 | boolean_t first = B_TRUE; | |
2746 | int cfield = 0; | |
2747 | int field; | |
2748 | uint32_t ustype; | |
2749 | ||
2750 | /* Check type */ | |
2751 | (void) nvlist_lookup_uint32(nvl, "type", &ustype); | |
2752 | if (!(ustype & types)) | |
2753 | return; | |
2754 | ||
2755 | while ((field = fields[cfield]) != USFIELD_LAST) { | |
2756 | nvpair_t *nvp = NULL; | |
2757 | data_type_t type; | |
2758 | uint32_t val32; | |
2759 | uint64_t val64; | |
2760 | char *strval = "-"; | |
2761 | ||
2762 | while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { | |
2763 | if (strcmp(nvpair_name(nvp), | |
2764 | us_field_names[field]) == 0) | |
2765 | break; | |
2766 | } | |
2767 | ||
2768 | type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp); | |
2769 | switch (type) { | |
2770 | case DATA_TYPE_UINT32: | |
2771 | (void) nvpair_value_uint32(nvp, &val32); | |
2772 | break; | |
2773 | case DATA_TYPE_UINT64: | |
2774 | (void) nvpair_value_uint64(nvp, &val64); | |
2775 | break; | |
2776 | case DATA_TYPE_STRING: | |
2777 | (void) nvpair_value_string(nvp, &strval); | |
2778 | break; | |
2779 | case DATA_TYPE_UNKNOWN: | |
2780 | break; | |
2781 | default: | |
2782 | (void) fprintf(stderr, "invalid data type\n"); | |
2783 | } | |
2784 | ||
2785 | switch (field) { | |
2786 | case USFIELD_TYPE: | |
2787 | if (type == DATA_TYPE_UINT32) | |
2788 | strval = (char *)us_type2str(val32); | |
2789 | break; | |
2790 | case USFIELD_NAME: | |
2791 | if (type == DATA_TYPE_UINT64) { | |
2792 | (void) sprintf(valstr, "%llu", | |
2793 | (u_longlong_t)val64); | |
2794 | strval = valstr; | |
2795 | } | |
2796 | break; | |
2797 | case USFIELD_USED: | |
2798 | case USFIELD_QUOTA: | |
2799 | if (type == DATA_TYPE_UINT64) { | |
2800 | if (parsable) { | |
2801 | (void) sprintf(valstr, "%llu", | |
2802 | (u_longlong_t)val64); | |
2803 | strval = valstr; | |
2804 | } else if (field == USFIELD_QUOTA && | |
2805 | val64 == 0) { | |
2806 | strval = "none"; | |
2807 | } else { | |
2808 | zfs_nicebytes(val64, valstr, | |
2809 | sizeof (valstr)); | |
2810 | strval = valstr; | |
2811 | } | |
2812 | } | |
2813 | break; | |
2814 | case USFIELD_OBJUSED: | |
2815 | case USFIELD_OBJQUOTA: | |
2816 | if (type == DATA_TYPE_UINT64) { | |
2817 | if (parsable) { | |
2818 | (void) sprintf(valstr, "%llu", | |
2819 | (u_longlong_t)val64); | |
2820 | strval = valstr; | |
2821 | } else if (field == USFIELD_OBJQUOTA && | |
2822 | val64 == 0) { | |
2823 | strval = "none"; | |
2824 | } else { | |
2825 | zfs_nicenum(val64, valstr, | |
2826 | sizeof (valstr)); | |
2827 | strval = valstr; | |
2828 | } | |
2829 | } | |
2830 | break; | |
2831 | } | |
2832 | ||
2833 | if (!first) { | |
2834 | if (scripted) | |
2835 | (void) printf("\t"); | |
2836 | else | |
2837 | (void) printf(" "); | |
2838 | } | |
2839 | if (scripted) | |
2840 | (void) printf("%s", strval); | |
2841 | else if (field == USFIELD_TYPE || field == USFIELD_NAME) | |
2842 | (void) printf("%-*s", (int)width[field], strval); | |
2843 | else | |
2844 | (void) printf("%*s", (int)width[field], strval); | |
2845 | ||
2846 | first = B_FALSE; | |
2847 | cfield++; | |
2848 | } | |
2849 | ||
2850 | (void) printf("\n"); | |
2851 | } | |
2852 | ||
2853 | static void | |
2854 | print_us(boolean_t scripted, boolean_t parsable, int *fields, int types, | |
2855 | size_t *width, boolean_t rmnode, uu_avl_t *avl) | |
2856 | { | |
2857 | us_node_t *node; | |
2858 | const char *col; | |
2859 | int cfield = 0; | |
2860 | int field; | |
2861 | ||
2862 | if (!scripted) { | |
2863 | boolean_t first = B_TRUE; | |
2864 | ||
2865 | while ((field = fields[cfield]) != USFIELD_LAST) { | |
2866 | col = gettext(us_field_hdr[field]); | |
2867 | if (field == USFIELD_TYPE || field == USFIELD_NAME) { | |
2868 | (void) printf(first ? "%-*s" : " %-*s", | |
2869 | (int)width[field], col); | |
2870 | } else { | |
2871 | (void) printf(first ? "%*s" : " %*s", | |
2872 | (int)width[field], col); | |
2873 | } | |
2874 | first = B_FALSE; | |
2875 | cfield++; | |
2876 | } | |
2877 | (void) printf("\n"); | |
2878 | } | |
2879 | ||
2880 | for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) { | |
2881 | print_us_node(scripted, parsable, fields, types, width, node); | |
2882 | if (rmnode) | |
2883 | nvlist_free(node->usn_nvl); | |
2884 | } | |
2885 | } | |
2886 | ||
2887 | static int | |
2888 | zfs_do_userspace(int argc, char **argv) | |
2889 | { | |
2890 | zfs_handle_t *zhp; | |
2891 | zfs_userquota_prop_t p; | |
2892 | uu_avl_pool_t *avl_pool; | |
2893 | uu_avl_t *avl_tree; | |
2894 | uu_avl_walk_t *walk; | |
2895 | char *delim; | |
2896 | char deffields[] = "type,name,used,quota,objused,objquota"; | |
2897 | char *ofield = NULL; | |
2898 | char *tfield = NULL; | |
2899 | int cfield = 0; | |
2900 | int fields[256]; | |
2901 | int i; | |
2902 | boolean_t scripted = B_FALSE; | |
2903 | boolean_t prtnum = B_FALSE; | |
2904 | boolean_t parsable = B_FALSE; | |
2905 | boolean_t sid2posix = B_FALSE; | |
2906 | int ret = 0; | |
2907 | int c; | |
2908 | zfs_sort_column_t *sortcol = NULL; | |
2909 | int types = USTYPE_PSX_USR | USTYPE_SMB_USR; | |
2910 | us_cbdata_t cb; | |
2911 | us_node_t *node; | |
2912 | us_node_t *rmnode; | |
2913 | uu_list_pool_t *listpool; | |
2914 | uu_list_t *list; | |
2915 | uu_avl_index_t idx = 0; | |
2916 | uu_list_index_t idx2 = 0; | |
2917 | ||
2918 | if (argc < 2) | |
2919 | usage(B_FALSE); | |
2920 | ||
2921 | if (strcmp(argv[0], "groupspace") == 0) { | |
2922 | /* Toggle default group types */ | |
2923 | types = USTYPE_PSX_GRP | USTYPE_SMB_GRP; | |
2924 | } else if (strcmp(argv[0], "projectspace") == 0) { | |
2925 | types = USTYPE_PROJ; | |
2926 | prtnum = B_TRUE; | |
2927 | } | |
2928 | ||
2929 | while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) { | |
2930 | switch (c) { | |
2931 | case 'n': | |
2932 | if (types == USTYPE_PROJ) { | |
2933 | (void) fprintf(stderr, | |
2934 | gettext("invalid option 'n'\n")); | |
2935 | usage(B_FALSE); | |
2936 | } | |
2937 | prtnum = B_TRUE; | |
2938 | break; | |
2939 | case 'H': | |
2940 | scripted = B_TRUE; | |
2941 | break; | |
2942 | case 'p': | |
2943 | parsable = B_TRUE; | |
2944 | break; | |
2945 | case 'o': | |
2946 | ofield = optarg; | |
2947 | break; | |
2948 | case 's': | |
2949 | case 'S': | |
2950 | if (zfs_add_sort_column(&sortcol, optarg, | |
2951 | c == 's' ? B_FALSE : B_TRUE) != 0) { | |
2952 | (void) fprintf(stderr, | |
2953 | gettext("invalid field '%s'\n"), optarg); | |
2954 | usage(B_FALSE); | |
2955 | } | |
2956 | break; | |
2957 | case 't': | |
2958 | if (types == USTYPE_PROJ) { | |
2959 | (void) fprintf(stderr, | |
2960 | gettext("invalid option 't'\n")); | |
2961 | usage(B_FALSE); | |
2962 | } | |
2963 | tfield = optarg; | |
2964 | break; | |
2965 | case 'i': | |
2966 | if (types == USTYPE_PROJ) { | |
2967 | (void) fprintf(stderr, | |
2968 | gettext("invalid option 'i'\n")); | |
2969 | usage(B_FALSE); | |
2970 | } | |
2971 | sid2posix = B_TRUE; | |
2972 | break; | |
2973 | case ':': | |
2974 | (void) fprintf(stderr, gettext("missing argument for " | |
2975 | "'%c' option\n"), optopt); | |
2976 | usage(B_FALSE); | |
2977 | break; | |
2978 | case '?': | |
2979 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
2980 | optopt); | |
2981 | usage(B_FALSE); | |
2982 | } | |
2983 | } | |
2984 | ||
2985 | argc -= optind; | |
2986 | argv += optind; | |
2987 | ||
2988 | if (argc < 1) { | |
2989 | (void) fprintf(stderr, gettext("missing dataset name\n")); | |
2990 | usage(B_FALSE); | |
2991 | } | |
2992 | if (argc > 1) { | |
2993 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
2994 | usage(B_FALSE); | |
2995 | } | |
2996 | ||
2997 | /* Use default output fields if not specified using -o */ | |
2998 | if (ofield == NULL) | |
2999 | ofield = deffields; | |
3000 | do { | |
3001 | if ((delim = strchr(ofield, ',')) != NULL) | |
3002 | *delim = '\0'; | |
3003 | if ((fields[cfield++] = us_field_index(ofield)) == -1) { | |
3004 | (void) fprintf(stderr, gettext("invalid type '%s' " | |
3005 | "for -o option\n"), ofield); | |
3006 | return (-1); | |
3007 | } | |
3008 | if (delim != NULL) | |
3009 | ofield = delim + 1; | |
3010 | } while (delim != NULL); | |
3011 | fields[cfield] = USFIELD_LAST; | |
3012 | ||
3013 | /* Override output types (-t option) */ | |
3014 | if (tfield != NULL) { | |
3015 | types = 0; | |
3016 | ||
3017 | do { | |
3018 | boolean_t found = B_FALSE; | |
3019 | ||
3020 | if ((delim = strchr(tfield, ',')) != NULL) | |
3021 | *delim = '\0'; | |
3022 | for (i = 0; i < sizeof (us_type_bits) / sizeof (int); | |
3023 | i++) { | |
3024 | if (strcmp(tfield, us_type_names[i]) == 0) { | |
3025 | found = B_TRUE; | |
3026 | types |= us_type_bits[i]; | |
3027 | break; | |
3028 | } | |
3029 | } | |
3030 | if (!found) { | |
3031 | (void) fprintf(stderr, gettext("invalid type " | |
3032 | "'%s' for -t option\n"), tfield); | |
3033 | return (-1); | |
3034 | } | |
3035 | if (delim != NULL) | |
3036 | tfield = delim + 1; | |
3037 | } while (delim != NULL); | |
3038 | } | |
3039 | ||
3040 | if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | | |
3041 | ZFS_TYPE_SNAPSHOT)) == NULL) | |
3042 | return (1); | |
3043 | if (zhp->zfs_head_type != ZFS_TYPE_FILESYSTEM) { | |
3044 | (void) fprintf(stderr, gettext("operation is only applicable " | |
3045 | "to filesystems and their snapshots\n")); | |
3046 | zfs_close(zhp); | |
3047 | return (1); | |
3048 | } | |
3049 | ||
3050 | if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t), | |
3051 | offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL) | |
3052 | nomem(); | |
3053 | if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL) | |
3054 | nomem(); | |
3055 | ||
3056 | /* Always add default sorting columns */ | |
3057 | (void) zfs_add_sort_column(&sortcol, "type", B_FALSE); | |
3058 | (void) zfs_add_sort_column(&sortcol, "name", B_FALSE); | |
3059 | ||
3060 | cb.cb_sortcol = sortcol; | |
3061 | cb.cb_numname = prtnum; | |
3062 | cb.cb_nicenum = !parsable; | |
3063 | cb.cb_avl_pool = avl_pool; | |
3064 | cb.cb_avl = avl_tree; | |
3065 | cb.cb_sid2posix = sid2posix; | |
3066 | ||
3067 | for (i = 0; i < USFIELD_LAST; i++) | |
3068 | cb.cb_width[i] = strlen(gettext(us_field_hdr[i])); | |
3069 | ||
3070 | for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) { | |
3071 | if ((zfs_prop_is_user(p) && | |
3072 | !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) || | |
3073 | (zfs_prop_is_group(p) && | |
3074 | !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) || | |
3075 | (zfs_prop_is_project(p) && types != USTYPE_PROJ)) | |
3076 | continue; | |
3077 | ||
3078 | cb.cb_prop = p; | |
3079 | if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) { | |
3080 | zfs_close(zhp); | |
3081 | return (ret); | |
3082 | } | |
3083 | } | |
3084 | zfs_close(zhp); | |
3085 | ||
3086 | /* Sort the list */ | |
3087 | if ((node = uu_avl_first(avl_tree)) == NULL) | |
3088 | return (0); | |
3089 | ||
3090 | us_populated = B_TRUE; | |
3091 | ||
3092 | listpool = uu_list_pool_create("tmplist", sizeof (us_node_t), | |
3093 | offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT); | |
3094 | list = uu_list_create(listpool, NULL, UU_DEFAULT); | |
3095 | uu_list_node_init(node, &node->usn_listnode, listpool); | |
3096 | ||
3097 | while (node != NULL) { | |
3098 | rmnode = node; | |
3099 | node = uu_avl_next(avl_tree, node); | |
3100 | uu_avl_remove(avl_tree, rmnode); | |
3101 | if (uu_list_find(list, rmnode, NULL, &idx2) == NULL) | |
3102 | uu_list_insert(list, rmnode, idx2); | |
3103 | } | |
3104 | ||
3105 | for (node = uu_list_first(list); node != NULL; | |
3106 | node = uu_list_next(list, node)) { | |
3107 | us_sort_info_t sortinfo = { sortcol, cb.cb_numname }; | |
3108 | ||
3109 | if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL) | |
3110 | uu_avl_insert(avl_tree, node, idx); | |
3111 | } | |
3112 | ||
3113 | uu_list_destroy(list); | |
3114 | uu_list_pool_destroy(listpool); | |
3115 | ||
3116 | /* Print and free node nvlist memory */ | |
3117 | print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE, | |
3118 | cb.cb_avl); | |
3119 | ||
3120 | zfs_free_sort_columns(sortcol); | |
3121 | ||
3122 | /* Clean up the AVL tree */ | |
3123 | if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL) | |
3124 | nomem(); | |
3125 | ||
3126 | while ((node = uu_avl_walk_next(walk)) != NULL) { | |
3127 | uu_avl_remove(cb.cb_avl, node); | |
3128 | free(node); | |
3129 | } | |
3130 | ||
3131 | uu_avl_walk_end(walk); | |
3132 | uu_avl_destroy(avl_tree); | |
3133 | uu_avl_pool_destroy(avl_pool); | |
3134 | ||
3135 | return (ret); | |
3136 | } | |
3137 | ||
3138 | /* | |
3139 | * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property] | |
3140 | * [-t type[,...]] [filesystem|volume|snapshot] ... | |
3141 | * | |
3142 | * -H Scripted mode; elide headers and separate columns by tabs | |
3143 | * -p Display values in parsable (literal) format. | |
3144 | * -r Recurse over all children | |
3145 | * -d Limit recursion by depth. | |
3146 | * -o Control which fields to display. | |
3147 | * -s Specify sort columns, descending order. | |
3148 | * -S Specify sort columns, ascending order. | |
3149 | * -t Control which object types to display. | |
3150 | * | |
3151 | * When given no arguments, list all filesystems in the system. | |
3152 | * Otherwise, list the specified datasets, optionally recursing down them if | |
3153 | * '-r' is specified. | |
3154 | */ | |
3155 | typedef struct list_cbdata { | |
3156 | boolean_t cb_first; | |
3157 | boolean_t cb_literal; | |
3158 | boolean_t cb_scripted; | |
3159 | zprop_list_t *cb_proplist; | |
3160 | } list_cbdata_t; | |
3161 | ||
3162 | /* | |
3163 | * Given a list of columns to display, output appropriate headers for each one. | |
3164 | */ | |
3165 | static void | |
3166 | print_header(list_cbdata_t *cb) | |
3167 | { | |
3168 | zprop_list_t *pl = cb->cb_proplist; | |
3169 | char headerbuf[ZFS_MAXPROPLEN]; | |
3170 | const char *header; | |
3171 | int i; | |
3172 | boolean_t first = B_TRUE; | |
3173 | boolean_t right_justify; | |
3174 | ||
3175 | for (; pl != NULL; pl = pl->pl_next) { | |
3176 | if (!first) { | |
3177 | (void) printf(" "); | |
3178 | } else { | |
3179 | first = B_FALSE; | |
3180 | } | |
3181 | ||
3182 | right_justify = B_FALSE; | |
3183 | if (pl->pl_prop != ZPROP_INVAL) { | |
3184 | header = zfs_prop_column_name(pl->pl_prop); | |
3185 | right_justify = zfs_prop_align_right(pl->pl_prop); | |
3186 | } else { | |
3187 | for (i = 0; pl->pl_user_prop[i] != '\0'; i++) | |
3188 | headerbuf[i] = toupper(pl->pl_user_prop[i]); | |
3189 | headerbuf[i] = '\0'; | |
3190 | header = headerbuf; | |
3191 | } | |
3192 | ||
3193 | if (pl->pl_next == NULL && !right_justify) | |
3194 | (void) printf("%s", header); | |
3195 | else if (right_justify) | |
3196 | (void) printf("%*s", (int)pl->pl_width, header); | |
3197 | else | |
3198 | (void) printf("%-*s", (int)pl->pl_width, header); | |
3199 | } | |
3200 | ||
3201 | (void) printf("\n"); | |
3202 | } | |
3203 | ||
3204 | /* | |
3205 | * Given a dataset and a list of fields, print out all the properties according | |
3206 | * to the described layout. | |
3207 | */ | |
3208 | static void | |
3209 | print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb) | |
3210 | { | |
3211 | zprop_list_t *pl = cb->cb_proplist; | |
3212 | boolean_t first = B_TRUE; | |
3213 | char property[ZFS_MAXPROPLEN]; | |
3214 | nvlist_t *userprops = zfs_get_user_props(zhp); | |
3215 | nvlist_t *propval; | |
3216 | char *propstr; | |
3217 | boolean_t right_justify; | |
3218 | ||
3219 | for (; pl != NULL; pl = pl->pl_next) { | |
3220 | if (!first) { | |
3221 | if (cb->cb_scripted) | |
3222 | (void) printf("\t"); | |
3223 | else | |
3224 | (void) printf(" "); | |
3225 | } else { | |
3226 | first = B_FALSE; | |
3227 | } | |
3228 | ||
3229 | if (pl->pl_prop == ZFS_PROP_NAME) { | |
3230 | (void) strlcpy(property, zfs_get_name(zhp), | |
3231 | sizeof (property)); | |
3232 | propstr = property; | |
3233 | right_justify = zfs_prop_align_right(pl->pl_prop); | |
3234 | } else if (pl->pl_prop != ZPROP_INVAL) { | |
3235 | if (zfs_prop_get(zhp, pl->pl_prop, property, | |
3236 | sizeof (property), NULL, NULL, 0, | |
3237 | cb->cb_literal) != 0) | |
3238 | propstr = "-"; | |
3239 | else | |
3240 | propstr = property; | |
3241 | right_justify = zfs_prop_align_right(pl->pl_prop); | |
3242 | } else if (zfs_prop_userquota(pl->pl_user_prop)) { | |
3243 | if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, | |
3244 | property, sizeof (property), cb->cb_literal) != 0) | |
3245 | propstr = "-"; | |
3246 | else | |
3247 | propstr = property; | |
3248 | right_justify = B_TRUE; | |
3249 | } else if (zfs_prop_written(pl->pl_user_prop)) { | |
3250 | if (zfs_prop_get_written(zhp, pl->pl_user_prop, | |
3251 | property, sizeof (property), cb->cb_literal) != 0) | |
3252 | propstr = "-"; | |
3253 | else | |
3254 | propstr = property; | |
3255 | right_justify = B_TRUE; | |
3256 | } else { | |
3257 | if (nvlist_lookup_nvlist(userprops, | |
3258 | pl->pl_user_prop, &propval) != 0) | |
3259 | propstr = "-"; | |
3260 | else | |
3261 | verify(nvlist_lookup_string(propval, | |
3262 | ZPROP_VALUE, &propstr) == 0); | |
3263 | right_justify = B_FALSE; | |
3264 | } | |
3265 | ||
3266 | /* | |
3267 | * If this is being called in scripted mode, or if this is the | |
3268 | * last column and it is left-justified, don't include a width | |
3269 | * format specifier. | |
3270 | */ | |
3271 | if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify)) | |
3272 | (void) printf("%s", propstr); | |
3273 | else if (right_justify) | |
3274 | (void) printf("%*s", (int)pl->pl_width, propstr); | |
3275 | else | |
3276 | (void) printf("%-*s", (int)pl->pl_width, propstr); | |
3277 | } | |
3278 | ||
3279 | (void) printf("\n"); | |
3280 | } | |
3281 | ||
3282 | /* | |
3283 | * Generic callback function to list a dataset or snapshot. | |
3284 | */ | |
3285 | static int | |
3286 | list_callback(zfs_handle_t *zhp, void *data) | |
3287 | { | |
3288 | list_cbdata_t *cbp = data; | |
3289 | ||
3290 | if (cbp->cb_first) { | |
3291 | if (!cbp->cb_scripted) | |
3292 | print_header(cbp); | |
3293 | cbp->cb_first = B_FALSE; | |
3294 | } | |
3295 | ||
3296 | print_dataset(zhp, cbp); | |
3297 | ||
3298 | return (0); | |
3299 | } | |
3300 | ||
3301 | static int | |
3302 | zfs_do_list(int argc, char **argv) | |
3303 | { | |
3304 | int c; | |
3305 | static char default_fields[] = | |
3306 | "name,used,available,referenced,mountpoint"; | |
3307 | int types = ZFS_TYPE_DATASET; | |
3308 | boolean_t types_specified = B_FALSE; | |
3309 | char *fields = NULL; | |
3310 | list_cbdata_t cb = { 0 }; | |
3311 | char *value; | |
3312 | int limit = 0; | |
3313 | int ret = 0; | |
3314 | zfs_sort_column_t *sortcol = NULL; | |
3315 | int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS; | |
3316 | ||
3317 | /* check options */ | |
3318 | while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) { | |
3319 | switch (c) { | |
3320 | case 'o': | |
3321 | fields = optarg; | |
3322 | break; | |
3323 | case 'p': | |
3324 | cb.cb_literal = B_TRUE; | |
3325 | flags |= ZFS_ITER_LITERAL_PROPS; | |
3326 | break; | |
3327 | case 'd': | |
3328 | limit = parse_depth(optarg, &flags); | |
3329 | break; | |
3330 | case 'r': | |
3331 | flags |= ZFS_ITER_RECURSE; | |
3332 | break; | |
3333 | case 'H': | |
3334 | cb.cb_scripted = B_TRUE; | |
3335 | break; | |
3336 | case 's': | |
3337 | if (zfs_add_sort_column(&sortcol, optarg, | |
3338 | B_FALSE) != 0) { | |
3339 | (void) fprintf(stderr, | |
3340 | gettext("invalid property '%s'\n"), optarg); | |
3341 | usage(B_FALSE); | |
3342 | } | |
3343 | break; | |
3344 | case 'S': | |
3345 | if (zfs_add_sort_column(&sortcol, optarg, | |
3346 | B_TRUE) != 0) { | |
3347 | (void) fprintf(stderr, | |
3348 | gettext("invalid property '%s'\n"), optarg); | |
3349 | usage(B_FALSE); | |
3350 | } | |
3351 | break; | |
3352 | case 't': | |
3353 | types = 0; | |
3354 | types_specified = B_TRUE; | |
3355 | flags &= ~ZFS_ITER_PROP_LISTSNAPS; | |
3356 | while (*optarg != '\0') { | |
3357 | static char *type_subopts[] = { "filesystem", | |
3358 | "volume", "snapshot", "snap", "bookmark", | |
3359 | "all", NULL }; | |
3360 | ||
3361 | switch (getsubopt(&optarg, type_subopts, | |
3362 | &value)) { | |
3363 | case 0: | |
3364 | types |= ZFS_TYPE_FILESYSTEM; | |
3365 | break; | |
3366 | case 1: | |
3367 | types |= ZFS_TYPE_VOLUME; | |
3368 | break; | |
3369 | case 2: | |
3370 | case 3: | |
3371 | types |= ZFS_TYPE_SNAPSHOT; | |
3372 | break; | |
3373 | case 4: | |
3374 | types |= ZFS_TYPE_BOOKMARK; | |
3375 | break; | |
3376 | case 5: | |
3377 | types = ZFS_TYPE_DATASET | | |
3378 | ZFS_TYPE_BOOKMARK; | |
3379 | break; | |
3380 | default: | |
3381 | (void) fprintf(stderr, | |
3382 | gettext("invalid type '%s'\n"), | |
3383 | value); | |
3384 | usage(B_FALSE); | |
3385 | } | |
3386 | } | |
3387 | break; | |
3388 | case ':': | |
3389 | (void) fprintf(stderr, gettext("missing argument for " | |
3390 | "'%c' option\n"), optopt); | |
3391 | usage(B_FALSE); | |
3392 | break; | |
3393 | case '?': | |
3394 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3395 | optopt); | |
3396 | usage(B_FALSE); | |
3397 | } | |
3398 | } | |
3399 | ||
3400 | argc -= optind; | |
3401 | argv += optind; | |
3402 | ||
3403 | if (fields == NULL) | |
3404 | fields = default_fields; | |
3405 | ||
3406 | /* | |
3407 | * If we are only going to list snapshot names and sort by name, | |
3408 | * then we can use faster version. | |
3409 | */ | |
3410 | if (strcmp(fields, "name") == 0 && zfs_sort_only_by_name(sortcol)) | |
3411 | flags |= ZFS_ITER_SIMPLE; | |
3412 | ||
3413 | /* | |
3414 | * If "-o space" and no types were specified, don't display snapshots. | |
3415 | */ | |
3416 | if (strcmp(fields, "space") == 0 && types_specified == B_FALSE) | |
3417 | types &= ~ZFS_TYPE_SNAPSHOT; | |
3418 | ||
3419 | /* | |
3420 | * If the user specifies '-o all', the zprop_get_list() doesn't | |
3421 | * normally include the name of the dataset. For 'zfs list', we always | |
3422 | * want this property to be first. | |
3423 | */ | |
3424 | if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) | |
3425 | != 0) | |
3426 | usage(B_FALSE); | |
3427 | ||
3428 | cb.cb_first = B_TRUE; | |
3429 | ||
3430 | ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist, | |
3431 | limit, list_callback, &cb); | |
3432 | ||
3433 | zprop_free_list(cb.cb_proplist); | |
3434 | zfs_free_sort_columns(sortcol); | |
3435 | ||
3436 | if (ret == 0 && cb.cb_first && !cb.cb_scripted) | |
3437 | (void) fprintf(stderr, gettext("no datasets available\n")); | |
3438 | ||
3439 | return (ret); | |
3440 | } | |
3441 | ||
3442 | /* | |
3443 | * zfs rename [-f] <fs | snap | vol> <fs | snap | vol> | |
3444 | * zfs rename [-f] -p <fs | vol> <fs | vol> | |
3445 | * zfs rename -r <snap> <snap> | |
3446 | * | |
3447 | * Renames the given dataset to another of the same type. | |
3448 | * | |
3449 | * The '-p' flag creates all the non-existing ancestors of the target first. | |
3450 | */ | |
3451 | /* ARGSUSED */ | |
3452 | static int | |
3453 | zfs_do_rename(int argc, char **argv) | |
3454 | { | |
3455 | zfs_handle_t *zhp; | |
3456 | int c; | |
3457 | int ret = 0; | |
3458 | boolean_t recurse = B_FALSE; | |
3459 | boolean_t parents = B_FALSE; | |
3460 | boolean_t force_unmount = B_FALSE; | |
3461 | ||
3462 | /* check options */ | |
3463 | while ((c = getopt(argc, argv, "prf")) != -1) { | |
3464 | switch (c) { | |
3465 | case 'p': | |
3466 | parents = B_TRUE; | |
3467 | break; | |
3468 | case 'r': | |
3469 | recurse = B_TRUE; | |
3470 | break; | |
3471 | case 'f': | |
3472 | force_unmount = B_TRUE; | |
3473 | break; | |
3474 | case '?': | |
3475 | default: | |
3476 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3477 | optopt); | |
3478 | usage(B_FALSE); | |
3479 | } | |
3480 | } | |
3481 | ||
3482 | argc -= optind; | |
3483 | argv += optind; | |
3484 | ||
3485 | /* check number of arguments */ | |
3486 | if (argc < 1) { | |
3487 | (void) fprintf(stderr, gettext("missing source dataset " | |
3488 | "argument\n")); | |
3489 | usage(B_FALSE); | |
3490 | } | |
3491 | if (argc < 2) { | |
3492 | (void) fprintf(stderr, gettext("missing target dataset " | |
3493 | "argument\n")); | |
3494 | usage(B_FALSE); | |
3495 | } | |
3496 | if (argc > 2) { | |
3497 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3498 | usage(B_FALSE); | |
3499 | } | |
3500 | ||
3501 | if (recurse && parents) { | |
3502 | (void) fprintf(stderr, gettext("-p and -r options are mutually " | |
3503 | "exclusive\n")); | |
3504 | usage(B_FALSE); | |
3505 | } | |
3506 | ||
3507 | if (recurse && strchr(argv[0], '@') == 0) { | |
3508 | (void) fprintf(stderr, gettext("source dataset for recursive " | |
3509 | "rename must be a snapshot\n")); | |
3510 | usage(B_FALSE); | |
3511 | } | |
3512 | ||
3513 | if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM | | |
3514 | ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL) | |
3515 | return (1); | |
3516 | ||
3517 | /* If we were asked and the name looks good, try to create ancestors. */ | |
3518 | if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) && | |
3519 | zfs_create_ancestors(g_zfs, argv[1]) != 0) { | |
3520 | zfs_close(zhp); | |
3521 | return (1); | |
3522 | } | |
3523 | ||
3524 | ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0); | |
3525 | ||
3526 | zfs_close(zhp); | |
3527 | return (ret); | |
3528 | } | |
3529 | ||
3530 | /* | |
3531 | * zfs promote <fs> | |
3532 | * | |
3533 | * Promotes the given clone fs to be the parent | |
3534 | */ | |
3535 | /* ARGSUSED */ | |
3536 | static int | |
3537 | zfs_do_promote(int argc, char **argv) | |
3538 | { | |
3539 | zfs_handle_t *zhp; | |
3540 | int ret = 0; | |
3541 | ||
3542 | /* check options */ | |
3543 | if (argc > 1 && argv[1][0] == '-') { | |
3544 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3545 | argv[1][1]); | |
3546 | usage(B_FALSE); | |
3547 | } | |
3548 | ||
3549 | /* check number of arguments */ | |
3550 | if (argc < 2) { | |
3551 | (void) fprintf(stderr, gettext("missing clone filesystem" | |
3552 | " argument\n")); | |
3553 | usage(B_FALSE); | |
3554 | } | |
3555 | if (argc > 2) { | |
3556 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3557 | usage(B_FALSE); | |
3558 | } | |
3559 | ||
3560 | zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
3561 | if (zhp == NULL) | |
3562 | return (1); | |
3563 | ||
3564 | ret = (zfs_promote(zhp) != 0); | |
3565 | ||
3566 | ||
3567 | zfs_close(zhp); | |
3568 | return (ret); | |
3569 | } | |
3570 | ||
3571 | /* | |
3572 | * zfs rollback [-rRf] <snapshot> | |
3573 | * | |
3574 | * -r Delete any intervening snapshots before doing rollback | |
3575 | * -R Delete any snapshots and their clones | |
3576 | * -f ignored for backwards compatibility | |
3577 | * | |
3578 | * Given a filesystem, rollback to a specific snapshot, discarding any changes | |
3579 | * since then and making it the active dataset. If more recent snapshots exist, | |
3580 | * the command will complain unless the '-r' flag is given. | |
3581 | */ | |
3582 | typedef struct rollback_cbdata { | |
3583 | uint64_t cb_create; | |
3584 | boolean_t cb_first; | |
3585 | int cb_doclones; | |
3586 | char *cb_target; | |
3587 | int cb_error; | |
3588 | boolean_t cb_recurse; | |
3589 | } rollback_cbdata_t; | |
3590 | ||
3591 | static int | |
3592 | rollback_check_dependent(zfs_handle_t *zhp, void *data) | |
3593 | { | |
3594 | rollback_cbdata_t *cbp = data; | |
3595 | ||
3596 | if (cbp->cb_first && cbp->cb_recurse) { | |
3597 | (void) fprintf(stderr, gettext("cannot rollback to " | |
3598 | "'%s': clones of previous snapshots exist\n"), | |
3599 | cbp->cb_target); | |
3600 | (void) fprintf(stderr, gettext("use '-R' to " | |
3601 | "force deletion of the following clones and " | |
3602 | "dependents:\n")); | |
3603 | cbp->cb_first = 0; | |
3604 | cbp->cb_error = 1; | |
3605 | } | |
3606 | ||
3607 | (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); | |
3608 | ||
3609 | zfs_close(zhp); | |
3610 | return (0); | |
3611 | } | |
3612 | ||
3613 | ||
3614 | /* | |
3615 | * Report any snapshots more recent than the one specified. Used when '-r' is | |
3616 | * not specified. We reuse this same callback for the snapshot dependents - if | |
3617 | * 'cb_dependent' is set, then this is a dependent and we should report it | |
3618 | * without checking the transaction group. | |
3619 | */ | |
3620 | static int | |
3621 | rollback_check(zfs_handle_t *zhp, void *data) | |
3622 | { | |
3623 | rollback_cbdata_t *cbp = data; | |
3624 | ||
3625 | if (cbp->cb_doclones) { | |
3626 | zfs_close(zhp); | |
3627 | return (0); | |
3628 | } | |
3629 | ||
3630 | if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) { | |
3631 | if (cbp->cb_first && !cbp->cb_recurse) { | |
3632 | (void) fprintf(stderr, gettext("cannot " | |
3633 | "rollback to '%s': more recent snapshots " | |
3634 | "or bookmarks exist\n"), | |
3635 | cbp->cb_target); | |
3636 | (void) fprintf(stderr, gettext("use '-r' to " | |
3637 | "force deletion of the following " | |
3638 | "snapshots and bookmarks:\n")); | |
3639 | cbp->cb_first = 0; | |
3640 | cbp->cb_error = 1; | |
3641 | } | |
3642 | ||
3643 | if (cbp->cb_recurse) { | |
3644 | if (zfs_iter_dependents(zhp, B_TRUE, | |
3645 | rollback_check_dependent, cbp) != 0) { | |
3646 | zfs_close(zhp); | |
3647 | return (-1); | |
3648 | } | |
3649 | } else { | |
3650 | (void) fprintf(stderr, "%s\n", | |
3651 | zfs_get_name(zhp)); | |
3652 | } | |
3653 | } | |
3654 | zfs_close(zhp); | |
3655 | return (0); | |
3656 | } | |
3657 | ||
3658 | static int | |
3659 | zfs_do_rollback(int argc, char **argv) | |
3660 | { | |
3661 | int ret = 0; | |
3662 | int c; | |
3663 | boolean_t force = B_FALSE; | |
3664 | rollback_cbdata_t cb = { 0 }; | |
3665 | zfs_handle_t *zhp, *snap; | |
3666 | char parentname[ZFS_MAX_DATASET_NAME_LEN]; | |
3667 | char *delim; | |
3668 | ||
3669 | /* check options */ | |
3670 | while ((c = getopt(argc, argv, "rRf")) != -1) { | |
3671 | switch (c) { | |
3672 | case 'r': | |
3673 | cb.cb_recurse = 1; | |
3674 | break; | |
3675 | case 'R': | |
3676 | cb.cb_recurse = 1; | |
3677 | cb.cb_doclones = 1; | |
3678 | break; | |
3679 | case 'f': | |
3680 | force = B_TRUE; | |
3681 | break; | |
3682 | case '?': | |
3683 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3684 | optopt); | |
3685 | usage(B_FALSE); | |
3686 | } | |
3687 | } | |
3688 | ||
3689 | argc -= optind; | |
3690 | argv += optind; | |
3691 | ||
3692 | /* check number of arguments */ | |
3693 | if (argc < 1) { | |
3694 | (void) fprintf(stderr, gettext("missing dataset argument\n")); | |
3695 | usage(B_FALSE); | |
3696 | } | |
3697 | if (argc > 1) { | |
3698 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
3699 | usage(B_FALSE); | |
3700 | } | |
3701 | ||
3702 | /* open the snapshot */ | |
3703 | if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) | |
3704 | return (1); | |
3705 | ||
3706 | /* open the parent dataset */ | |
3707 | (void) strlcpy(parentname, argv[0], sizeof (parentname)); | |
3708 | verify((delim = strrchr(parentname, '@')) != NULL); | |
3709 | *delim = '\0'; | |
3710 | if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) { | |
3711 | zfs_close(snap); | |
3712 | return (1); | |
3713 | } | |
3714 | ||
3715 | /* | |
3716 | * Check for more recent snapshots and/or clones based on the presence | |
3717 | * of '-r' and '-R'. | |
3718 | */ | |
3719 | cb.cb_target = argv[0]; | |
3720 | cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); | |
3721 | cb.cb_first = B_TRUE; | |
3722 | cb.cb_error = 0; | |
3723 | if ((ret = zfs_iter_snapshots(zhp, B_FALSE, rollback_check, &cb)) != 0) | |
3724 | goto out; | |
3725 | if ((ret = zfs_iter_bookmarks(zhp, rollback_check, &cb)) != 0) | |
3726 | goto out; | |
3727 | ||
3728 | if ((ret = cb.cb_error) != 0) | |
3729 | goto out; | |
3730 | ||
3731 | /* | |
3732 | * Rollback parent to the given snapshot. | |
3733 | */ | |
3734 | ret = zfs_rollback(zhp, snap, force); | |
3735 | ||
3736 | out: | |
3737 | zfs_close(snap); | |
3738 | zfs_close(zhp); | |
3739 | ||
3740 | if (ret == 0) | |
3741 | return (0); | |
3742 | else | |
3743 | return (1); | |
3744 | } | |
3745 | ||
3746 | /* | |
3747 | * zfs set property=value ... { fs | snap | vol } ... | |
3748 | * | |
3749 | * Sets the given properties for all datasets specified on the command line. | |
3750 | */ | |
3751 | ||
3752 | static int | |
3753 | set_callback(zfs_handle_t *zhp, void *data) | |
3754 | { | |
3755 | nvlist_t *props = data; | |
3756 | ||
3757 | if (zfs_prop_set_list(zhp, props) != 0) { | |
3758 | switch (libzfs_errno(g_zfs)) { | |
3759 | case EZFS_MOUNTFAILED: | |
3760 | (void) fprintf(stderr, gettext("property may be set " | |
3761 | "but unable to remount filesystem\n")); | |
3762 | break; | |
3763 | case EZFS_SHARENFSFAILED: | |
3764 | (void) fprintf(stderr, gettext("property may be set " | |
3765 | "but unable to reshare filesystem\n")); | |
3766 | break; | |
3767 | } | |
3768 | return (1); | |
3769 | } | |
3770 | return (0); | |
3771 | } | |
3772 | ||
3773 | static int | |
3774 | zfs_do_set(int argc, char **argv) | |
3775 | { | |
3776 | nvlist_t *props = NULL; | |
3777 | int ds_start = -1; /* argv idx of first dataset arg */ | |
3778 | int ret = 0; | |
3779 | int i; | |
3780 | ||
3781 | /* check for options */ | |
3782 | if (argc > 1 && argv[1][0] == '-') { | |
3783 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3784 | argv[1][1]); | |
3785 | usage(B_FALSE); | |
3786 | } | |
3787 | ||
3788 | /* check number of arguments */ | |
3789 | if (argc < 2) { | |
3790 | (void) fprintf(stderr, gettext("missing arguments\n")); | |
3791 | usage(B_FALSE); | |
3792 | } | |
3793 | if (argc < 3) { | |
3794 | if (strchr(argv[1], '=') == NULL) { | |
3795 | (void) fprintf(stderr, gettext("missing property=value " | |
3796 | "argument(s)\n")); | |
3797 | } else { | |
3798 | (void) fprintf(stderr, gettext("missing dataset " | |
3799 | "name(s)\n")); | |
3800 | } | |
3801 | usage(B_FALSE); | |
3802 | } | |
3803 | ||
3804 | /* validate argument order: prop=val args followed by dataset args */ | |
3805 | for (i = 1; i < argc; i++) { | |
3806 | if (strchr(argv[i], '=') != NULL) { | |
3807 | if (ds_start > 0) { | |
3808 | /* out-of-order prop=val argument */ | |
3809 | (void) fprintf(stderr, gettext("invalid " | |
3810 | "argument order\n")); | |
3811 | usage(B_FALSE); | |
3812 | } | |
3813 | } else if (ds_start < 0) { | |
3814 | ds_start = i; | |
3815 | } | |
3816 | } | |
3817 | if (ds_start < 0) { | |
3818 | (void) fprintf(stderr, gettext("missing dataset name(s)\n")); | |
3819 | usage(B_FALSE); | |
3820 | } | |
3821 | ||
3822 | /* Populate a list of property settings */ | |
3823 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) | |
3824 | nomem(); | |
3825 | for (i = 1; i < ds_start; i++) { | |
3826 | if (!parseprop(props, argv[i])) { | |
3827 | ret = -1; | |
3828 | goto error; | |
3829 | } | |
3830 | } | |
3831 | ||
3832 | ret = zfs_for_each(argc - ds_start, argv + ds_start, 0, | |
3833 | ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, props); | |
3834 | ||
3835 | error: | |
3836 | nvlist_free(props); | |
3837 | return (ret); | |
3838 | } | |
3839 | ||
3840 | typedef struct snap_cbdata { | |
3841 | nvlist_t *sd_nvl; | |
3842 | boolean_t sd_recursive; | |
3843 | const char *sd_snapname; | |
3844 | } snap_cbdata_t; | |
3845 | ||
3846 | static int | |
3847 | zfs_snapshot_cb(zfs_handle_t *zhp, void *arg) | |
3848 | { | |
3849 | snap_cbdata_t *sd = arg; | |
3850 | char *name; | |
3851 | int rv = 0; | |
3852 | int error; | |
3853 | ||
3854 | if (sd->sd_recursive && | |
3855 | zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) { | |
3856 | zfs_close(zhp); | |
3857 | return (0); | |
3858 | } | |
3859 | ||
3860 | error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname); | |
3861 | if (error == -1) | |
3862 | nomem(); | |
3863 | fnvlist_add_boolean(sd->sd_nvl, name); | |
3864 | free(name); | |
3865 | ||
3866 | if (sd->sd_recursive) | |
3867 | rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd); | |
3868 | zfs_close(zhp); | |
3869 | return (rv); | |
3870 | } | |
3871 | ||
3872 | /* | |
3873 | * zfs snapshot [-r] [-o prop=value] ... <fs@snap> | |
3874 | * | |
3875 | * Creates a snapshot with the given name. While functionally equivalent to | |
3876 | * 'zfs create', it is a separate command to differentiate intent. | |
3877 | */ | |
3878 | static int | |
3879 | zfs_do_snapshot(int argc, char **argv) | |
3880 | { | |
3881 | int ret = 0; | |
3882 | signed char c; | |
3883 | nvlist_t *props; | |
3884 | snap_cbdata_t sd = { 0 }; | |
3885 | boolean_t multiple_snaps = B_FALSE; | |
3886 | ||
3887 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) | |
3888 | nomem(); | |
3889 | if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0) | |
3890 | nomem(); | |
3891 | ||
3892 | /* check options */ | |
3893 | while ((c = getopt(argc, argv, "ro:")) != -1) { | |
3894 | switch (c) { | |
3895 | case 'o': | |
3896 | if (!parseprop(props, optarg)) { | |
3897 | nvlist_free(sd.sd_nvl); | |
3898 | nvlist_free(props); | |
3899 | return (1); | |
3900 | } | |
3901 | break; | |
3902 | case 'r': | |
3903 | sd.sd_recursive = B_TRUE; | |
3904 | multiple_snaps = B_TRUE; | |
3905 | break; | |
3906 | case '?': | |
3907 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
3908 | optopt); | |
3909 | goto usage; | |
3910 | } | |
3911 | } | |
3912 | ||
3913 | argc -= optind; | |
3914 | argv += optind; | |
3915 | ||
3916 | /* check number of arguments */ | |
3917 | if (argc < 1) { | |
3918 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
3919 | goto usage; | |
3920 | } | |
3921 | ||
3922 | if (argc > 1) | |
3923 | multiple_snaps = B_TRUE; | |
3924 | for (; argc > 0; argc--, argv++) { | |
3925 | char *atp; | |
3926 | zfs_handle_t *zhp; | |
3927 | ||
3928 | atp = strchr(argv[0], '@'); | |
3929 | if (atp == NULL) | |
3930 | goto usage; | |
3931 | *atp = '\0'; | |
3932 | sd.sd_snapname = atp + 1; | |
3933 | zhp = zfs_open(g_zfs, argv[0], | |
3934 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
3935 | if (zhp == NULL) | |
3936 | goto usage; | |
3937 | if (zfs_snapshot_cb(zhp, &sd) != 0) | |
3938 | goto usage; | |
3939 | } | |
3940 | ||
3941 | ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props); | |
3942 | nvlist_free(sd.sd_nvl); | |
3943 | nvlist_free(props); | |
3944 | if (ret != 0 && multiple_snaps) | |
3945 | (void) fprintf(stderr, gettext("no snapshots were created\n")); | |
3946 | return (ret != 0); | |
3947 | ||
3948 | usage: | |
3949 | nvlist_free(sd.sd_nvl); | |
3950 | nvlist_free(props); | |
3951 | usage(B_FALSE); | |
3952 | return (-1); | |
3953 | } | |
3954 | ||
3955 | /* | |
3956 | * Send a backup stream to stdout. | |
3957 | */ | |
3958 | static int | |
3959 | zfs_do_send(int argc, char **argv) | |
3960 | { | |
3961 | char *fromname = NULL; | |
3962 | char *toname = NULL; | |
3963 | char *resume_token = NULL; | |
3964 | char *cp; | |
3965 | zfs_handle_t *zhp; | |
3966 | sendflags_t flags = { 0 }; | |
3967 | int c, err; | |
3968 | nvlist_t *dbgnv = NULL; | |
3969 | boolean_t extraverbose = B_FALSE; | |
3970 | ||
3971 | struct option long_options[] = { | |
3972 | {"replicate", no_argument, NULL, 'R'}, | |
3973 | {"props", no_argument, NULL, 'p'}, | |
3974 | {"parsable", no_argument, NULL, 'P'}, | |
3975 | {"dedup", no_argument, NULL, 'D'}, | |
3976 | {"verbose", no_argument, NULL, 'v'}, | |
3977 | {"dryrun", no_argument, NULL, 'n'}, | |
3978 | {"large-block", no_argument, NULL, 'L'}, | |
3979 | {"embed", no_argument, NULL, 'e'}, | |
3980 | {"resume", required_argument, NULL, 't'}, | |
3981 | {"compressed", no_argument, NULL, 'c'}, | |
3982 | {"raw", no_argument, NULL, 'w'}, | |
3983 | {"backup", no_argument, NULL, 'b'}, | |
3984 | {"holds", no_argument, NULL, 'h'}, | |
3985 | {0, 0, 0, 0} | |
3986 | }; | |
3987 | ||
3988 | /* check options */ | |
3989 | while ((c = getopt_long(argc, argv, ":i:I:RDpvnPLeht:cwb", long_options, | |
3990 | NULL)) != -1) { | |
3991 | switch (c) { | |
3992 | case 'i': | |
3993 | if (fromname) | |
3994 | usage(B_FALSE); | |
3995 | fromname = optarg; | |
3996 | break; | |
3997 | case 'I': | |
3998 | if (fromname) | |
3999 | usage(B_FALSE); | |
4000 | fromname = optarg; | |
4001 | flags.doall = B_TRUE; | |
4002 | break; | |
4003 | case 'R': | |
4004 | flags.replicate = B_TRUE; | |
4005 | break; | |
4006 | case 'p': | |
4007 | flags.props = B_TRUE; | |
4008 | break; | |
4009 | case 'b': | |
4010 | flags.backup = B_TRUE; | |
4011 | break; | |
4012 | case 'h': | |
4013 | flags.holds = B_TRUE; | |
4014 | break; | |
4015 | case 'P': | |
4016 | flags.parsable = B_TRUE; | |
4017 | flags.verbose = B_TRUE; | |
4018 | break; | |
4019 | case 'v': | |
4020 | if (flags.verbose) | |
4021 | extraverbose = B_TRUE; | |
4022 | flags.verbose = B_TRUE; | |
4023 | flags.progress = B_TRUE; | |
4024 | break; | |
4025 | case 'D': | |
4026 | flags.dedup = B_TRUE; | |
4027 | break; | |
4028 | case 'n': | |
4029 | flags.dryrun = B_TRUE; | |
4030 | break; | |
4031 | case 'L': | |
4032 | flags.largeblock = B_TRUE; | |
4033 | break; | |
4034 | case 'e': | |
4035 | flags.embed_data = B_TRUE; | |
4036 | break; | |
4037 | case 't': | |
4038 | resume_token = optarg; | |
4039 | break; | |
4040 | case 'c': | |
4041 | flags.compress = B_TRUE; | |
4042 | break; | |
4043 | case 'w': | |
4044 | flags.raw = B_TRUE; | |
4045 | flags.compress = B_TRUE; | |
4046 | flags.embed_data = B_TRUE; | |
4047 | flags.largeblock = B_TRUE; | |
4048 | break; | |
4049 | case ':': | |
4050 | /* | |
4051 | * If a parameter was not passed, optopt contains the | |
4052 | * value that would normally lead us into the | |
4053 | * appropriate case statement. If it's > 256, then this | |
4054 | * must be a longopt and we should look at argv to get | |
4055 | * the string. Otherwise it's just the character, so we | |
4056 | * should use it directly. | |
4057 | */ | |
4058 | if (optopt <= UINT8_MAX) { | |
4059 | (void) fprintf(stderr, | |
4060 | gettext("missing argument for '%c' " | |
4061 | "option\n"), optopt); | |
4062 | } else { | |
4063 | (void) fprintf(stderr, | |
4064 | gettext("missing argument for '%s' " | |
4065 | "option\n"), argv[optind - 1]); | |
4066 | } | |
4067 | usage(B_FALSE); | |
4068 | break; | |
4069 | case '?': | |
4070 | /*FALLTHROUGH*/ | |
4071 | default: | |
4072 | /* | |
4073 | * If an invalid flag was passed, optopt contains the | |
4074 | * character if it was a short flag, or 0 if it was a | |
4075 | * longopt. | |
4076 | */ | |
4077 | if (optopt != 0) { | |
4078 | (void) fprintf(stderr, | |
4079 | gettext("invalid option '%c'\n"), optopt); | |
4080 | } else { | |
4081 | (void) fprintf(stderr, | |
4082 | gettext("invalid option '%s'\n"), | |
4083 | argv[optind - 1]); | |
4084 | ||
4085 | } | |
4086 | usage(B_FALSE); | |
4087 | } | |
4088 | } | |
4089 | ||
4090 | argc -= optind; | |
4091 | argv += optind; | |
4092 | ||
4093 | if (resume_token != NULL) { | |
4094 | if (fromname != NULL || flags.replicate || flags.props || | |
4095 | flags.backup || flags.dedup) { | |
4096 | (void) fprintf(stderr, | |
4097 | gettext("invalid flags combined with -t\n")); | |
4098 | usage(B_FALSE); | |
4099 | } | |
4100 | if (argc != 0) { | |
4101 | (void) fprintf(stderr, gettext("no additional " | |
4102 | "arguments are permitted with -t\n")); | |
4103 | usage(B_FALSE); | |
4104 | } | |
4105 | } else { | |
4106 | if (argc < 1) { | |
4107 | (void) fprintf(stderr, | |
4108 | gettext("missing snapshot argument\n")); | |
4109 | usage(B_FALSE); | |
4110 | } | |
4111 | if (argc > 1) { | |
4112 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
4113 | usage(B_FALSE); | |
4114 | } | |
4115 | } | |
4116 | ||
4117 | if (!flags.dryrun && isatty(STDOUT_FILENO)) { | |
4118 | (void) fprintf(stderr, | |
4119 | gettext("Error: Stream can not be written to a terminal.\n" | |
4120 | "You must redirect standard output.\n")); | |
4121 | return (1); | |
4122 | } | |
4123 | ||
4124 | if (resume_token != NULL) { | |
4125 | return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO, | |
4126 | resume_token)); | |
4127 | } | |
4128 | ||
4129 | /* | |
4130 | * Special case sending a filesystem, or from a bookmark. | |
4131 | */ | |
4132 | if (strchr(argv[0], '@') == NULL || | |
4133 | (fromname && strchr(fromname, '#') != NULL)) { | |
4134 | char frombuf[ZFS_MAX_DATASET_NAME_LEN]; | |
4135 | ||
4136 | if (flags.replicate || flags.doall || flags.props || | |
4137 | flags.backup || flags.dedup || flags.holds || | |
4138 | (strchr(argv[0], '@') == NULL && | |
4139 | (flags.dryrun || flags.verbose || flags.progress))) { | |
4140 | (void) fprintf(stderr, gettext("Error: " | |
4141 | "Unsupported flag with filesystem or bookmark.\n")); | |
4142 | return (1); | |
4143 | } | |
4144 | ||
4145 | zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET); | |
4146 | if (zhp == NULL) | |
4147 | return (1); | |
4148 | ||
4149 | if (fromname != NULL && | |
4150 | (fromname[0] == '#' || fromname[0] == '@')) { | |
4151 | /* | |
4152 | * Incremental source name begins with # or @. | |
4153 | * Default to same fs as target. | |
4154 | */ | |
4155 | (void) strlcpy(frombuf, argv[0], sizeof (frombuf)); | |
4156 | cp = strchr(frombuf, '@'); | |
4157 | if (cp != NULL) | |
4158 | *cp = '\0'; | |
4159 | (void) strlcat(frombuf, fromname, sizeof (frombuf)); | |
4160 | fromname = frombuf; | |
4161 | } | |
4162 | err = zfs_send_one(zhp, fromname, STDOUT_FILENO, flags); | |
4163 | zfs_close(zhp); | |
4164 | return (err != 0); | |
4165 | } | |
4166 | ||
4167 | cp = strchr(argv[0], '@'); | |
4168 | *cp = '\0'; | |
4169 | toname = cp + 1; | |
4170 | zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
4171 | if (zhp == NULL) | |
4172 | return (1); | |
4173 | ||
4174 | /* | |
4175 | * If they specified the full path to the snapshot, chop off | |
4176 | * everything except the short name of the snapshot, but special | |
4177 | * case if they specify the origin. | |
4178 | */ | |
4179 | if (fromname && (cp = strchr(fromname, '@')) != NULL) { | |
4180 | char origin[ZFS_MAX_DATASET_NAME_LEN]; | |
4181 | zprop_source_t src; | |
4182 | ||
4183 | (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN, | |
4184 | origin, sizeof (origin), &src, NULL, 0, B_FALSE); | |
4185 | ||
4186 | if (strcmp(origin, fromname) == 0) { | |
4187 | fromname = NULL; | |
4188 | flags.fromorigin = B_TRUE; | |
4189 | } else { | |
4190 | *cp = '\0'; | |
4191 | if (cp != fromname && strcmp(argv[0], fromname)) { | |
4192 | (void) fprintf(stderr, | |
4193 | gettext("incremental source must be " | |
4194 | "in same filesystem\n")); | |
4195 | usage(B_FALSE); | |
4196 | } | |
4197 | fromname = cp + 1; | |
4198 | if (strchr(fromname, '@') || strchr(fromname, '/')) { | |
4199 | (void) fprintf(stderr, | |
4200 | gettext("invalid incremental source\n")); | |
4201 | usage(B_FALSE); | |
4202 | } | |
4203 | } | |
4204 | } | |
4205 | ||
4206 | if (flags.replicate && fromname == NULL) | |
4207 | flags.doall = B_TRUE; | |
4208 | ||
4209 | err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0, | |
4210 | extraverbose ? &dbgnv : NULL); | |
4211 | ||
4212 | if (extraverbose && dbgnv != NULL) { | |
4213 | /* | |
4214 | * dump_nvlist prints to stdout, but that's been | |
4215 | * redirected to a file. Make it print to stderr | |
4216 | * instead. | |
4217 | */ | |
4218 | (void) dup2(STDERR_FILENO, STDOUT_FILENO); | |
4219 | dump_nvlist(dbgnv, 0); | |
4220 | nvlist_free(dbgnv); | |
4221 | } | |
4222 | zfs_close(zhp); | |
4223 | ||
4224 | return (err != 0); | |
4225 | } | |
4226 | ||
4227 | /* | |
4228 | * Restore a backup stream from stdin. | |
4229 | */ | |
4230 | static int | |
4231 | zfs_do_receive(int argc, char **argv) | |
4232 | { | |
4233 | int c, err = 0; | |
4234 | recvflags_t flags = { 0 }; | |
4235 | boolean_t abort_resumable = B_FALSE; | |
4236 | nvlist_t *props; | |
4237 | ||
4238 | if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) | |
4239 | nomem(); | |
4240 | ||
4241 | /* check options */ | |
4242 | while ((c = getopt(argc, argv, ":o:x:dehnuvFsA")) != -1) { | |
4243 | switch (c) { | |
4244 | case 'o': | |
4245 | if (!parseprop(props, optarg)) { | |
4246 | nvlist_free(props); | |
4247 | usage(B_FALSE); | |
4248 | } | |
4249 | break; | |
4250 | case 'x': | |
4251 | if (!parsepropname(props, optarg)) { | |
4252 | nvlist_free(props); | |
4253 | usage(B_FALSE); | |
4254 | } | |
4255 | break; | |
4256 | case 'd': | |
4257 | if (flags.istail) { | |
4258 | (void) fprintf(stderr, gettext("invalid option " | |
4259 | "combination: -d and -e are mutually " | |
4260 | "exclusive\n")); | |
4261 | usage(B_FALSE); | |
4262 | } | |
4263 | flags.isprefix = B_TRUE; | |
4264 | break; | |
4265 | case 'e': | |
4266 | if (flags.isprefix) { | |
4267 | (void) fprintf(stderr, gettext("invalid option " | |
4268 | "combination: -d and -e are mutually " | |
4269 | "exclusive\n")); | |
4270 | usage(B_FALSE); | |
4271 | } | |
4272 | flags.istail = B_TRUE; | |
4273 | break; | |
4274 | case 'h': | |
4275 | flags.skipholds = B_TRUE; | |
4276 | break; | |
4277 | case 'n': | |
4278 | flags.dryrun = B_TRUE; | |
4279 | break; | |
4280 | case 'u': | |
4281 | flags.nomount = B_TRUE; | |
4282 | break; | |
4283 | case 'v': | |
4284 | flags.verbose = B_TRUE; | |
4285 | break; | |
4286 | case 's': | |
4287 | flags.resumable = B_TRUE; | |
4288 | break; | |
4289 | case 'F': | |
4290 | flags.force = B_TRUE; | |
4291 | break; | |
4292 | case 'A': | |
4293 | abort_resumable = B_TRUE; | |
4294 | break; | |
4295 | case ':': | |
4296 | (void) fprintf(stderr, gettext("missing argument for " | |
4297 | "'%c' option\n"), optopt); | |
4298 | usage(B_FALSE); | |
4299 | break; | |
4300 | case '?': | |
4301 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
4302 | optopt); | |
4303 | usage(B_FALSE); | |
4304 | } | |
4305 | } | |
4306 | ||
4307 | argc -= optind; | |
4308 | argv += optind; | |
4309 | ||
4310 | /* zfs recv -e (use "tail" name) implies -d (remove dataset "head") */ | |
4311 | if (flags.istail) | |
4312 | flags.isprefix = B_TRUE; | |
4313 | ||
4314 | /* check number of arguments */ | |
4315 | if (argc < 1) { | |
4316 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
4317 | usage(B_FALSE); | |
4318 | } | |
4319 | if (argc > 1) { | |
4320 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
4321 | usage(B_FALSE); | |
4322 | } | |
4323 | ||
4324 | if (abort_resumable) { | |
4325 | if (flags.isprefix || flags.istail || flags.dryrun || | |
4326 | flags.resumable || flags.nomount) { | |
4327 | (void) fprintf(stderr, gettext("invalid option\n")); | |
4328 | usage(B_FALSE); | |
4329 | } | |
4330 | ||
4331 | char namebuf[ZFS_MAX_DATASET_NAME_LEN]; | |
4332 | (void) snprintf(namebuf, sizeof (namebuf), | |
4333 | "%s/%%recv", argv[0]); | |
4334 | ||
4335 | if (zfs_dataset_exists(g_zfs, namebuf, | |
4336 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) { | |
4337 | zfs_handle_t *zhp = zfs_open(g_zfs, | |
4338 | namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
4339 | if (zhp == NULL) { | |
4340 | nvlist_free(props); | |
4341 | return (1); | |
4342 | } | |
4343 | err = zfs_destroy(zhp, B_FALSE); | |
4344 | zfs_close(zhp); | |
4345 | } else { | |
4346 | zfs_handle_t *zhp = zfs_open(g_zfs, | |
4347 | argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
4348 | if (zhp == NULL) | |
4349 | usage(B_FALSE); | |
4350 | if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) || | |
4351 | zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, | |
4352 | NULL, 0, NULL, NULL, 0, B_TRUE) == -1) { | |
4353 | (void) fprintf(stderr, | |
4354 | gettext("'%s' does not have any " | |
4355 | "resumable receive state to abort\n"), | |
4356 | argv[0]); | |
4357 | nvlist_free(props); | |
4358 | zfs_close(zhp); | |
4359 | return (1); | |
4360 | } | |
4361 | err = zfs_destroy(zhp, B_FALSE); | |
4362 | zfs_close(zhp); | |
4363 | } | |
4364 | nvlist_free(props); | |
4365 | return (err != 0); | |
4366 | } | |
4367 | ||
4368 | if (isatty(STDIN_FILENO)) { | |
4369 | (void) fprintf(stderr, | |
4370 | gettext("Error: Backup stream can not be read " | |
4371 | "from a terminal.\n" | |
4372 | "You must redirect standard input.\n")); | |
4373 | nvlist_free(props); | |
4374 | return (1); | |
4375 | } | |
4376 | err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL); | |
4377 | nvlist_free(props); | |
4378 | ||
4379 | return (err != 0); | |
4380 | } | |
4381 | ||
4382 | /* | |
4383 | * allow/unallow stuff | |
4384 | */ | |
4385 | /* copied from zfs/sys/dsl_deleg.h */ | |
4386 | #define ZFS_DELEG_PERM_CREATE "create" | |
4387 | #define ZFS_DELEG_PERM_DESTROY "destroy" | |
4388 | #define ZFS_DELEG_PERM_SNAPSHOT "snapshot" | |
4389 | #define ZFS_DELEG_PERM_ROLLBACK "rollback" | |
4390 | #define ZFS_DELEG_PERM_CLONE "clone" | |
4391 | #define ZFS_DELEG_PERM_PROMOTE "promote" | |
4392 | #define ZFS_DELEG_PERM_RENAME "rename" | |
4393 | #define ZFS_DELEG_PERM_MOUNT "mount" | |
4394 | #define ZFS_DELEG_PERM_SHARE "share" | |
4395 | #define ZFS_DELEG_PERM_SEND "send" | |
4396 | #define ZFS_DELEG_PERM_RECEIVE "receive" | |
4397 | #define ZFS_DELEG_PERM_ALLOW "allow" | |
4398 | #define ZFS_DELEG_PERM_USERPROP "userprop" | |
4399 | #define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */ | |
4400 | #define ZFS_DELEG_PERM_USERQUOTA "userquota" | |
4401 | #define ZFS_DELEG_PERM_GROUPQUOTA "groupquota" | |
4402 | #define ZFS_DELEG_PERM_USERUSED "userused" | |
4403 | #define ZFS_DELEG_PERM_GROUPUSED "groupused" | |
4404 | #define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota" | |
4405 | #define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota" | |
4406 | #define ZFS_DELEG_PERM_USEROBJUSED "userobjused" | |
4407 | #define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused" | |
4408 | ||
4409 | #define ZFS_DELEG_PERM_HOLD "hold" | |
4410 | #define ZFS_DELEG_PERM_RELEASE "release" | |
4411 | #define ZFS_DELEG_PERM_DIFF "diff" | |
4412 | #define ZFS_DELEG_PERM_BOOKMARK "bookmark" | |
4413 | #define ZFS_DELEG_PERM_REMAP "remap" | |
4414 | #define ZFS_DELEG_PERM_LOAD_KEY "load-key" | |
4415 | #define ZFS_DELEG_PERM_CHANGE_KEY "change-key" | |
4416 | ||
4417 | #define ZFS_DELEG_PERM_PROJECTUSED "projectused" | |
4418 | #define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota" | |
4419 | #define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused" | |
4420 | #define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota" | |
4421 | ||
4422 | #define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE | |
4423 | ||
4424 | static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = { | |
4425 | { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW }, | |
4426 | { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE }, | |
4427 | { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE }, | |
4428 | { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY }, | |
4429 | { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF}, | |
4430 | { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD }, | |
4431 | { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT }, | |
4432 | { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE }, | |
4433 | { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE }, | |
4434 | { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE }, | |
4435 | { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME }, | |
4436 | { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK }, | |
4437 | { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND }, | |
4438 | { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE }, | |
4439 | { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT }, | |
4440 | { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK }, | |
4441 | { ZFS_DELEG_PERM_REMAP, ZFS_DELEG_NOTE_REMAP }, | |
4442 | { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY }, | |
4443 | { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY }, | |
4444 | ||
4445 | { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA }, | |
4446 | { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED }, | |
4447 | { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP }, | |
4448 | { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA }, | |
4449 | { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED }, | |
4450 | { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA }, | |
4451 | { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED }, | |
4452 | { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA }, | |
4453 | { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED }, | |
4454 | { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED }, | |
4455 | { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA }, | |
4456 | { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED }, | |
4457 | { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA }, | |
4458 | { NULL, ZFS_DELEG_NOTE_NONE } | |
4459 | }; | |
4460 | ||
4461 | /* permission structure */ | |
4462 | typedef struct deleg_perm { | |
4463 | zfs_deleg_who_type_t dp_who_type; | |
4464 | const char *dp_name; | |
4465 | boolean_t dp_local; | |
4466 | boolean_t dp_descend; | |
4467 | } deleg_perm_t; | |
4468 | ||
4469 | /* */ | |
4470 | typedef struct deleg_perm_node { | |
4471 | deleg_perm_t dpn_perm; | |
4472 | ||
4473 | uu_avl_node_t dpn_avl_node; | |
4474 | } deleg_perm_node_t; | |
4475 | ||
4476 | typedef struct fs_perm fs_perm_t; | |
4477 | ||
4478 | /* permissions set */ | |
4479 | typedef struct who_perm { | |
4480 | zfs_deleg_who_type_t who_type; | |
4481 | const char *who_name; /* id */ | |
4482 | char who_ug_name[256]; /* user/group name */ | |
4483 | fs_perm_t *who_fsperm; /* uplink */ | |
4484 | ||
4485 | uu_avl_t *who_deleg_perm_avl; /* permissions */ | |
4486 | } who_perm_t; | |
4487 | ||
4488 | /* */ | |
4489 | typedef struct who_perm_node { | |
4490 | who_perm_t who_perm; | |
4491 | uu_avl_node_t who_avl_node; | |
4492 | } who_perm_node_t; | |
4493 | ||
4494 | typedef struct fs_perm_set fs_perm_set_t; | |
4495 | /* fs permissions */ | |
4496 | struct fs_perm { | |
4497 | const char *fsp_name; | |
4498 | ||
4499 | uu_avl_t *fsp_sc_avl; /* sets,create */ | |
4500 | uu_avl_t *fsp_uge_avl; /* user,group,everyone */ | |
4501 | ||
4502 | fs_perm_set_t *fsp_set; /* uplink */ | |
4503 | }; | |
4504 | ||
4505 | /* */ | |
4506 | typedef struct fs_perm_node { | |
4507 | fs_perm_t fspn_fsperm; | |
4508 | uu_avl_t *fspn_avl; | |
4509 | ||
4510 | uu_list_node_t fspn_list_node; | |
4511 | } fs_perm_node_t; | |
4512 | ||
4513 | /* top level structure */ | |
4514 | struct fs_perm_set { | |
4515 | uu_list_pool_t *fsps_list_pool; | |
4516 | uu_list_t *fsps_list; /* list of fs_perms */ | |
4517 | ||
4518 | uu_avl_pool_t *fsps_named_set_avl_pool; | |
4519 | uu_avl_pool_t *fsps_who_perm_avl_pool; | |
4520 | uu_avl_pool_t *fsps_deleg_perm_avl_pool; | |
4521 | }; | |
4522 | ||
4523 | static inline const char * | |
4524 | deleg_perm_type(zfs_deleg_note_t note) | |
4525 | { | |
4526 | /* subcommands */ | |
4527 | switch (note) { | |
4528 | /* SUBCOMMANDS */ | |
4529 | /* OTHER */ | |
4530 | case ZFS_DELEG_NOTE_GROUPQUOTA: | |
4531 | case ZFS_DELEG_NOTE_GROUPUSED: | |
4532 | case ZFS_DELEG_NOTE_USERPROP: | |
4533 | case ZFS_DELEG_NOTE_USERQUOTA: | |
4534 | case ZFS_DELEG_NOTE_USERUSED: | |
4535 | case ZFS_DELEG_NOTE_USEROBJQUOTA: | |
4536 | case ZFS_DELEG_NOTE_USEROBJUSED: | |
4537 | case ZFS_DELEG_NOTE_GROUPOBJQUOTA: | |
4538 | case ZFS_DELEG_NOTE_GROUPOBJUSED: | |
4539 | case ZFS_DELEG_NOTE_PROJECTUSED: | |
4540 | case ZFS_DELEG_NOTE_PROJECTQUOTA: | |
4541 | case ZFS_DELEG_NOTE_PROJECTOBJUSED: | |
4542 | case ZFS_DELEG_NOTE_PROJECTOBJQUOTA: | |
4543 | /* other */ | |
4544 | return (gettext("other")); | |
4545 | default: | |
4546 | return (gettext("subcommand")); | |
4547 | } | |
4548 | } | |
4549 | ||
4550 | static int | |
4551 | who_type2weight(zfs_deleg_who_type_t who_type) | |
4552 | { | |
4553 | int res; | |
4554 | switch (who_type) { | |
4555 | case ZFS_DELEG_NAMED_SET_SETS: | |
4556 | case ZFS_DELEG_NAMED_SET: | |
4557 | res = 0; | |
4558 | break; | |
4559 | case ZFS_DELEG_CREATE_SETS: | |
4560 | case ZFS_DELEG_CREATE: | |
4561 | res = 1; | |
4562 | break; | |
4563 | case ZFS_DELEG_USER_SETS: | |
4564 | case ZFS_DELEG_USER: | |
4565 | res = 2; | |
4566 | break; | |
4567 | case ZFS_DELEG_GROUP_SETS: | |
4568 | case ZFS_DELEG_GROUP: | |
4569 | res = 3; | |
4570 | break; | |
4571 | case ZFS_DELEG_EVERYONE_SETS: | |
4572 | case ZFS_DELEG_EVERYONE: | |
4573 | res = 4; | |
4574 | break; | |
4575 | default: | |
4576 | res = -1; | |
4577 | } | |
4578 | ||
4579 | return (res); | |
4580 | } | |
4581 | ||
4582 | /* ARGSUSED */ | |
4583 | static int | |
4584 | who_perm_compare(const void *larg, const void *rarg, void *unused) | |
4585 | { | |
4586 | const who_perm_node_t *l = larg; | |
4587 | const who_perm_node_t *r = rarg; | |
4588 | zfs_deleg_who_type_t ltype = l->who_perm.who_type; | |
4589 | zfs_deleg_who_type_t rtype = r->who_perm.who_type; | |
4590 | int lweight = who_type2weight(ltype); | |
4591 | int rweight = who_type2weight(rtype); | |
4592 | int res = lweight - rweight; | |
4593 | if (res == 0) | |
4594 | res = strncmp(l->who_perm.who_name, r->who_perm.who_name, | |
4595 | ZFS_MAX_DELEG_NAME-1); | |
4596 | ||
4597 | if (res == 0) | |
4598 | return (0); | |
4599 | if (res > 0) | |
4600 | return (1); | |
4601 | else | |
4602 | return (-1); | |
4603 | } | |
4604 | ||
4605 | /* ARGSUSED */ | |
4606 | static int | |
4607 | deleg_perm_compare(const void *larg, const void *rarg, void *unused) | |
4608 | { | |
4609 | const deleg_perm_node_t *l = larg; | |
4610 | const deleg_perm_node_t *r = rarg; | |
4611 | int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name, | |
4612 | ZFS_MAX_DELEG_NAME-1); | |
4613 | ||
4614 | if (res == 0) | |
4615 | return (0); | |
4616 | ||
4617 | if (res > 0) | |
4618 | return (1); | |
4619 | else | |
4620 | return (-1); | |
4621 | } | |
4622 | ||
4623 | static inline void | |
4624 | fs_perm_set_init(fs_perm_set_t *fspset) | |
4625 | { | |
4626 | bzero(fspset, sizeof (fs_perm_set_t)); | |
4627 | ||
4628 | if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool", | |
4629 | sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node), | |
4630 | NULL, UU_DEFAULT)) == NULL) | |
4631 | nomem(); | |
4632 | if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL, | |
4633 | UU_DEFAULT)) == NULL) | |
4634 | nomem(); | |
4635 | ||
4636 | if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create( | |
4637 | "named_set_avl_pool", sizeof (who_perm_node_t), offsetof( | |
4638 | who_perm_node_t, who_avl_node), who_perm_compare, | |
4639 | UU_DEFAULT)) == NULL) | |
4640 | nomem(); | |
4641 | ||
4642 | if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create( | |
4643 | "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof( | |
4644 | who_perm_node_t, who_avl_node), who_perm_compare, | |
4645 | UU_DEFAULT)) == NULL) | |
4646 | nomem(); | |
4647 | ||
4648 | if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create( | |
4649 | "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof( | |
4650 | deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT)) | |
4651 | == NULL) | |
4652 | nomem(); | |
4653 | } | |
4654 | ||
4655 | static inline void fs_perm_fini(fs_perm_t *); | |
4656 | static inline void who_perm_fini(who_perm_t *); | |
4657 | ||
4658 | static inline void | |
4659 | fs_perm_set_fini(fs_perm_set_t *fspset) | |
4660 | { | |
4661 | fs_perm_node_t *node = uu_list_first(fspset->fsps_list); | |
4662 | ||
4663 | while (node != NULL) { | |
4664 | fs_perm_node_t *next_node = | |
4665 | uu_list_next(fspset->fsps_list, node); | |
4666 | fs_perm_t *fsperm = &node->fspn_fsperm; | |
4667 | fs_perm_fini(fsperm); | |
4668 | uu_list_remove(fspset->fsps_list, node); | |
4669 | free(node); | |
4670 | node = next_node; | |
4671 | } | |
4672 | ||
4673 | uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool); | |
4674 | uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool); | |
4675 | uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool); | |
4676 | } | |
4677 | ||
4678 | static inline void | |
4679 | deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type, | |
4680 | const char *name) | |
4681 | { | |
4682 | deleg_perm->dp_who_type = type; | |
4683 | deleg_perm->dp_name = name; | |
4684 | } | |
4685 | ||
4686 | static inline void | |
4687 | who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm, | |
4688 | zfs_deleg_who_type_t type, const char *name) | |
4689 | { | |
4690 | uu_avl_pool_t *pool; | |
4691 | pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool; | |
4692 | ||
4693 | bzero(who_perm, sizeof (who_perm_t)); | |
4694 | ||
4695 | if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL, | |
4696 | UU_DEFAULT)) == NULL) | |
4697 | nomem(); | |
4698 | ||
4699 | who_perm->who_type = type; | |
4700 | who_perm->who_name = name; | |
4701 | who_perm->who_fsperm = fsperm; | |
4702 | } | |
4703 | ||
4704 | static inline void | |
4705 | who_perm_fini(who_perm_t *who_perm) | |
4706 | { | |
4707 | deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl); | |
4708 | ||
4709 | while (node != NULL) { | |
4710 | deleg_perm_node_t *next_node = | |
4711 | uu_avl_next(who_perm->who_deleg_perm_avl, node); | |
4712 | ||
4713 | uu_avl_remove(who_perm->who_deleg_perm_avl, node); | |
4714 | free(node); | |
4715 | node = next_node; | |
4716 | } | |
4717 | ||
4718 | uu_avl_destroy(who_perm->who_deleg_perm_avl); | |
4719 | } | |
4720 | ||
4721 | static inline void | |
4722 | fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname) | |
4723 | { | |
4724 | uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool; | |
4725 | uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool; | |
4726 | ||
4727 | bzero(fsperm, sizeof (fs_perm_t)); | |
4728 | ||
4729 | if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT)) | |
4730 | == NULL) | |
4731 | nomem(); | |
4732 | ||
4733 | if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT)) | |
4734 | == NULL) | |
4735 | nomem(); | |
4736 | ||
4737 | fsperm->fsp_set = fspset; | |
4738 | fsperm->fsp_name = fsname; | |
4739 | } | |
4740 | ||
4741 | static inline void | |
4742 | fs_perm_fini(fs_perm_t *fsperm) | |
4743 | { | |
4744 | who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl); | |
4745 | while (node != NULL) { | |
4746 | who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl, | |
4747 | node); | |
4748 | who_perm_t *who_perm = &node->who_perm; | |
4749 | who_perm_fini(who_perm); | |
4750 | uu_avl_remove(fsperm->fsp_sc_avl, node); | |
4751 | free(node); | |
4752 | node = next_node; | |
4753 | } | |
4754 | ||
4755 | node = uu_avl_first(fsperm->fsp_uge_avl); | |
4756 | while (node != NULL) { | |
4757 | who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl, | |
4758 | node); | |
4759 | who_perm_t *who_perm = &node->who_perm; | |
4760 | who_perm_fini(who_perm); | |
4761 | uu_avl_remove(fsperm->fsp_uge_avl, node); | |
4762 | free(node); | |
4763 | node = next_node; | |
4764 | } | |
4765 | ||
4766 | uu_avl_destroy(fsperm->fsp_sc_avl); | |
4767 | uu_avl_destroy(fsperm->fsp_uge_avl); | |
4768 | } | |
4769 | ||
4770 | static void | |
4771 | set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node, | |
4772 | zfs_deleg_who_type_t who_type, const char *name, char locality) | |
4773 | { | |
4774 | uu_avl_index_t idx = 0; | |
4775 | ||
4776 | deleg_perm_node_t *found_node = NULL; | |
4777 | deleg_perm_t *deleg_perm = &node->dpn_perm; | |
4778 | ||
4779 | deleg_perm_init(deleg_perm, who_type, name); | |
4780 | ||
4781 | if ((found_node = uu_avl_find(avl, node, NULL, &idx)) | |
4782 | == NULL) | |
4783 | uu_avl_insert(avl, node, idx); | |
4784 | else { | |
4785 | node = found_node; | |
4786 | deleg_perm = &node->dpn_perm; | |
4787 | } | |
4788 | ||
4789 | ||
4790 | switch (locality) { | |
4791 | case ZFS_DELEG_LOCAL: | |
4792 | deleg_perm->dp_local = B_TRUE; | |
4793 | break; | |
4794 | case ZFS_DELEG_DESCENDENT: | |
4795 | deleg_perm->dp_descend = B_TRUE; | |
4796 | break; | |
4797 | case ZFS_DELEG_NA: | |
4798 | break; | |
4799 | default: | |
4800 | assert(B_FALSE); /* invalid locality */ | |
4801 | } | |
4802 | } | |
4803 | ||
4804 | static inline int | |
4805 | parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality) | |
4806 | { | |
4807 | nvpair_t *nvp = NULL; | |
4808 | fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set; | |
4809 | uu_avl_t *avl = who_perm->who_deleg_perm_avl; | |
4810 | zfs_deleg_who_type_t who_type = who_perm->who_type; | |
4811 | ||
4812 | while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { | |
4813 | const char *name = nvpair_name(nvp); | |
4814 | data_type_t type = nvpair_type(nvp); | |
4815 | uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool; | |
4816 | deleg_perm_node_t *node = | |
4817 | safe_malloc(sizeof (deleg_perm_node_t)); | |
4818 | ||
4819 | VERIFY(type == DATA_TYPE_BOOLEAN); | |
4820 | ||
4821 | uu_avl_node_init(node, &node->dpn_avl_node, avl_pool); | |
4822 | set_deleg_perm_node(avl, node, who_type, name, locality); | |
4823 | } | |
4824 | ||
4825 | return (0); | |
4826 | } | |
4827 | ||
4828 | static inline int | |
4829 | parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl) | |
4830 | { | |
4831 | nvpair_t *nvp = NULL; | |
4832 | fs_perm_set_t *fspset = fsperm->fsp_set; | |
4833 | ||
4834 | while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { | |
4835 | nvlist_t *nvl2 = NULL; | |
4836 | const char *name = nvpair_name(nvp); | |
4837 | uu_avl_t *avl = NULL; | |
4838 | uu_avl_pool_t *avl_pool = NULL; | |
4839 | zfs_deleg_who_type_t perm_type = name[0]; | |
4840 | char perm_locality = name[1]; | |
4841 | const char *perm_name = name + 3; | |
4842 | boolean_t is_set = B_TRUE; | |
4843 | who_perm_t *who_perm = NULL; | |
4844 | ||
4845 | assert('$' == name[2]); | |
4846 | ||
4847 | if (nvpair_value_nvlist(nvp, &nvl2) != 0) | |
4848 | return (-1); | |
4849 | ||
4850 | switch (perm_type) { | |
4851 | case ZFS_DELEG_CREATE: | |
4852 | case ZFS_DELEG_CREATE_SETS: | |
4853 | case ZFS_DELEG_NAMED_SET: | |
4854 | case ZFS_DELEG_NAMED_SET_SETS: | |
4855 | avl_pool = fspset->fsps_named_set_avl_pool; | |
4856 | avl = fsperm->fsp_sc_avl; | |
4857 | break; | |
4858 | case ZFS_DELEG_USER: | |
4859 | case ZFS_DELEG_USER_SETS: | |
4860 | case ZFS_DELEG_GROUP: | |
4861 | case ZFS_DELEG_GROUP_SETS: | |
4862 | case ZFS_DELEG_EVERYONE: | |
4863 | case ZFS_DELEG_EVERYONE_SETS: | |
4864 | avl_pool = fspset->fsps_who_perm_avl_pool; | |
4865 | avl = fsperm->fsp_uge_avl; | |
4866 | break; | |
4867 | ||
4868 | default: | |
4869 | assert(!"unhandled zfs_deleg_who_type_t"); | |
4870 | } | |
4871 | ||
4872 | if (is_set) { | |
4873 | who_perm_node_t *found_node = NULL; | |
4874 | who_perm_node_t *node = safe_malloc( | |
4875 | sizeof (who_perm_node_t)); | |
4876 | who_perm = &node->who_perm; | |
4877 | uu_avl_index_t idx = 0; | |
4878 | ||
4879 | uu_avl_node_init(node, &node->who_avl_node, avl_pool); | |
4880 | who_perm_init(who_perm, fsperm, perm_type, perm_name); | |
4881 | ||
4882 | if ((found_node = uu_avl_find(avl, node, NULL, &idx)) | |
4883 | == NULL) { | |
4884 | if (avl == fsperm->fsp_uge_avl) { | |
4885 | uid_t rid = 0; | |
4886 | struct passwd *p = NULL; | |
4887 | struct group *g = NULL; | |
4888 | const char *nice_name = NULL; | |
4889 | ||
4890 | switch (perm_type) { | |
4891 | case ZFS_DELEG_USER_SETS: | |
4892 | case ZFS_DELEG_USER: | |
4893 | rid = atoi(perm_name); | |
4894 | p = getpwuid(rid); | |
4895 | if (p) | |
4896 | nice_name = p->pw_name; | |
4897 | break; | |
4898 | case ZFS_DELEG_GROUP_SETS: | |
4899 | case ZFS_DELEG_GROUP: | |
4900 | rid = atoi(perm_name); | |
4901 | g = getgrgid(rid); | |
4902 | if (g) | |
4903 | nice_name = g->gr_name; | |
4904 | break; | |
4905 | ||
4906 | default: | |
4907 | break; | |
4908 | } | |
4909 | ||
4910 | if (nice_name != NULL) | |
4911 | (void) strlcpy( | |
4912 | node->who_perm.who_ug_name, | |
4913 | nice_name, 256); | |
4914 | } | |
4915 | ||
4916 | uu_avl_insert(avl, node, idx); | |
4917 | } else { | |
4918 | node = found_node; | |
4919 | who_perm = &node->who_perm; | |
4920 | } | |
4921 | } | |
4922 | VERIFY3P(who_perm, !=, NULL); | |
4923 | (void) parse_who_perm(who_perm, nvl2, perm_locality); | |
4924 | } | |
4925 | ||
4926 | return (0); | |
4927 | } | |
4928 | ||
4929 | static inline int | |
4930 | parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl) | |
4931 | { | |
4932 | nvpair_t *nvp = NULL; | |
4933 | uu_avl_index_t idx = 0; | |
4934 | ||
4935 | while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { | |
4936 | nvlist_t *nvl2 = NULL; | |
4937 | const char *fsname = nvpair_name(nvp); | |
4938 | data_type_t type = nvpair_type(nvp); | |
4939 | fs_perm_t *fsperm = NULL; | |
4940 | fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t)); | |
4941 | if (node == NULL) | |
4942 | nomem(); | |
4943 | ||
4944 | fsperm = &node->fspn_fsperm; | |
4945 | ||
4946 | VERIFY(DATA_TYPE_NVLIST == type); | |
4947 | ||
4948 | uu_list_node_init(node, &node->fspn_list_node, | |
4949 | fspset->fsps_list_pool); | |
4950 | ||
4951 | idx = uu_list_numnodes(fspset->fsps_list); | |
4952 | fs_perm_init(fsperm, fspset, fsname); | |
4953 | ||
4954 | if (nvpair_value_nvlist(nvp, &nvl2) != 0) | |
4955 | return (-1); | |
4956 | ||
4957 | (void) parse_fs_perm(fsperm, nvl2); | |
4958 | ||
4959 | uu_list_insert(fspset->fsps_list, node, idx); | |
4960 | } | |
4961 | ||
4962 | return (0); | |
4963 | } | |
4964 | ||
4965 | static inline const char * | |
4966 | deleg_perm_comment(zfs_deleg_note_t note) | |
4967 | { | |
4968 | const char *str = ""; | |
4969 | ||
4970 | /* subcommands */ | |
4971 | switch (note) { | |
4972 | /* SUBCOMMANDS */ | |
4973 | case ZFS_DELEG_NOTE_ALLOW: | |
4974 | str = gettext("Must also have the permission that is being" | |
4975 | "\n\t\t\t\tallowed"); | |
4976 | break; | |
4977 | case ZFS_DELEG_NOTE_CLONE: | |
4978 | str = gettext("Must also have the 'create' ability and 'mount'" | |
4979 | "\n\t\t\t\tability in the origin file system"); | |
4980 | break; | |
4981 | case ZFS_DELEG_NOTE_CREATE: | |
4982 | str = gettext("Must also have the 'mount' ability"); | |
4983 | break; | |
4984 | case ZFS_DELEG_NOTE_DESTROY: | |
4985 | str = gettext("Must also have the 'mount' ability"); | |
4986 | break; | |
4987 | case ZFS_DELEG_NOTE_DIFF: | |
4988 | str = gettext("Allows lookup of paths within a dataset;" | |
4989 | "\n\t\t\t\tgiven an object number. Ordinary users need this" | |
4990 | "\n\t\t\t\tin order to use zfs diff"); | |
4991 | break; | |
4992 | case ZFS_DELEG_NOTE_HOLD: | |
4993 | str = gettext("Allows adding a user hold to a snapshot"); | |
4994 | break; | |
4995 | case ZFS_DELEG_NOTE_MOUNT: | |
4996 | str = gettext("Allows mount/umount of ZFS datasets"); | |
4997 | break; | |
4998 | case ZFS_DELEG_NOTE_PROMOTE: | |
4999 | str = gettext("Must also have the 'mount'\n\t\t\t\tand" | |
5000 | " 'promote' ability in the origin file system"); | |
5001 | break; | |
5002 | case ZFS_DELEG_NOTE_RECEIVE: | |
5003 | str = gettext("Must also have the 'mount' and 'create'" | |
5004 | " ability"); | |
5005 | break; | |
5006 | case ZFS_DELEG_NOTE_RELEASE: | |
5007 | str = gettext("Allows releasing a user hold which\n\t\t\t\t" | |
5008 | "might destroy the snapshot"); | |
5009 | break; | |
5010 | case ZFS_DELEG_NOTE_RENAME: | |
5011 | str = gettext("Must also have the 'mount' and 'create'" | |
5012 | "\n\t\t\t\tability in the new parent"); | |
5013 | break; | |
5014 | case ZFS_DELEG_NOTE_ROLLBACK: | |
5015 | str = gettext(""); | |
5016 | break; | |
5017 | case ZFS_DELEG_NOTE_SEND: | |
5018 | str = gettext(""); | |
5019 | break; | |
5020 | case ZFS_DELEG_NOTE_SHARE: | |
5021 | str = gettext("Allows sharing file systems over NFS or SMB" | |
5022 | "\n\t\t\t\tprotocols"); | |
5023 | break; | |
5024 | case ZFS_DELEG_NOTE_SNAPSHOT: | |
5025 | str = gettext(""); | |
5026 | break; | |
5027 | case ZFS_DELEG_NOTE_LOAD_KEY: | |
5028 | str = gettext("Allows loading or unloading an encryption key"); | |
5029 | break; | |
5030 | case ZFS_DELEG_NOTE_CHANGE_KEY: | |
5031 | str = gettext("Allows changing or adding an encryption key"); | |
5032 | break; | |
5033 | /* | |
5034 | * case ZFS_DELEG_NOTE_VSCAN: | |
5035 | * str = gettext(""); | |
5036 | * break; | |
5037 | */ | |
5038 | /* OTHER */ | |
5039 | case ZFS_DELEG_NOTE_GROUPQUOTA: | |
5040 | str = gettext("Allows accessing any groupquota@... property"); | |
5041 | break; | |
5042 | case ZFS_DELEG_NOTE_GROUPUSED: | |
5043 | str = gettext("Allows reading any groupused@... property"); | |
5044 | break; | |
5045 | case ZFS_DELEG_NOTE_USERPROP: | |
5046 | str = gettext("Allows changing any user property"); | |
5047 | break; | |
5048 | case ZFS_DELEG_NOTE_USERQUOTA: | |
5049 | str = gettext("Allows accessing any userquota@... property"); | |
5050 | break; | |
5051 | case ZFS_DELEG_NOTE_USERUSED: | |
5052 | str = gettext("Allows reading any userused@... property"); | |
5053 | break; | |
5054 | case ZFS_DELEG_NOTE_USEROBJQUOTA: | |
5055 | str = gettext("Allows accessing any userobjquota@... property"); | |
5056 | break; | |
5057 | case ZFS_DELEG_NOTE_GROUPOBJQUOTA: | |
5058 | str = gettext("Allows accessing any \n\t\t\t\t" | |
5059 | "groupobjquota@... property"); | |
5060 | break; | |
5061 | case ZFS_DELEG_NOTE_GROUPOBJUSED: | |
5062 | str = gettext("Allows reading any groupobjused@... property"); | |
5063 | break; | |
5064 | case ZFS_DELEG_NOTE_USEROBJUSED: | |
5065 | str = gettext("Allows reading any userobjused@... property"); | |
5066 | break; | |
5067 | case ZFS_DELEG_NOTE_PROJECTQUOTA: | |
5068 | str = gettext("Allows accessing any projectquota@... property"); | |
5069 | break; | |
5070 | case ZFS_DELEG_NOTE_PROJECTOBJQUOTA: | |
5071 | str = gettext("Allows accessing any \n\t\t\t\t" | |
5072 | "projectobjquota@... property"); | |
5073 | break; | |
5074 | case ZFS_DELEG_NOTE_PROJECTUSED: | |
5075 | str = gettext("Allows reading any projectused@... property"); | |
5076 | break; | |
5077 | case ZFS_DELEG_NOTE_PROJECTOBJUSED: | |
5078 | str = gettext("Allows accessing any \n\t\t\t\t" | |
5079 | "projectobjused@... property"); | |
5080 | break; | |
5081 | /* other */ | |
5082 | default: | |
5083 | str = ""; | |
5084 | } | |
5085 | ||
5086 | return (str); | |
5087 | } | |
5088 | ||
5089 | struct allow_opts { | |
5090 | boolean_t local; | |
5091 | boolean_t descend; | |
5092 | boolean_t user; | |
5093 | boolean_t group; | |
5094 | boolean_t everyone; | |
5095 | boolean_t create; | |
5096 | boolean_t set; | |
5097 | boolean_t recursive; /* unallow only */ | |
5098 | boolean_t prt_usage; | |
5099 | ||
5100 | boolean_t prt_perms; | |
5101 | char *who; | |
5102 | char *perms; | |
5103 | const char *dataset; | |
5104 | }; | |
5105 | ||
5106 | static inline int | |
5107 | prop_cmp(const void *a, const void *b) | |
5108 | { | |
5109 | const char *str1 = *(const char **)a; | |
5110 | const char *str2 = *(const char **)b; | |
5111 | return (strcmp(str1, str2)); | |
5112 | } | |
5113 | ||
5114 | static void | |
5115 | allow_usage(boolean_t un, boolean_t requested, const char *msg) | |
5116 | { | |
5117 | const char *opt_desc[] = { | |
5118 | "-h", gettext("show this help message and exit"), | |
5119 | "-l", gettext("set permission locally"), | |
5120 | "-d", gettext("set permission for descents"), | |
5121 | "-u", gettext("set permission for user"), | |
5122 | "-g", gettext("set permission for group"), | |
5123 | "-e", gettext("set permission for everyone"), | |
5124 | "-c", gettext("set create time permission"), | |
5125 | "-s", gettext("define permission set"), | |
5126 | /* unallow only */ | |
5127 | "-r", gettext("remove permissions recursively"), | |
5128 | }; | |
5129 | size_t unallow_size = sizeof (opt_desc) / sizeof (char *); | |
5130 | size_t allow_size = unallow_size - 2; | |
5131 | const char *props[ZFS_NUM_PROPS]; | |
5132 | int i; | |
5133 | size_t count = 0; | |
5134 | FILE *fp = requested ? stdout : stderr; | |
5135 | zprop_desc_t *pdtbl = zfs_prop_get_table(); | |
5136 | const char *fmt = gettext("%-16s %-14s\t%s\n"); | |
5137 | ||
5138 | (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW : | |
5139 | HELP_ALLOW)); | |
5140 | (void) fprintf(fp, gettext("Options:\n")); | |
5141 | for (i = 0; i < (un ? unallow_size : allow_size); i += 2) { | |
5142 | const char *opt = opt_desc[i]; | |
5143 | const char *optdsc = opt_desc[i + 1]; | |
5144 | (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc); | |
5145 | } | |
5146 | ||
5147 | (void) fprintf(fp, gettext("\nThe following permissions are " | |
5148 | "supported:\n\n")); | |
5149 | (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"), | |
5150 | gettext("NOTES")); | |
5151 | for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) { | |
5152 | const char *perm_name = zfs_deleg_perm_tbl[i].z_perm; | |
5153 | zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note; | |
5154 | const char *perm_type = deleg_perm_type(perm_note); | |
5155 | const char *perm_comment = deleg_perm_comment(perm_note); | |
5156 | (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment); | |
5157 | } | |
5158 | ||
5159 | for (i = 0; i < ZFS_NUM_PROPS; i++) { | |
5160 | zprop_desc_t *pd = &pdtbl[i]; | |
5161 | if (pd->pd_visible != B_TRUE) | |
5162 | continue; | |
5163 | ||
5164 | if (pd->pd_attr == PROP_READONLY) | |
5165 | continue; | |
5166 | ||
5167 | props[count++] = pd->pd_name; | |
5168 | } | |
5169 | props[count] = NULL; | |
5170 | ||
5171 | qsort(props, count, sizeof (char *), prop_cmp); | |
5172 | ||
5173 | for (i = 0; i < count; i++) | |
5174 | (void) fprintf(fp, fmt, props[i], gettext("property"), ""); | |
5175 | ||
5176 | if (msg != NULL) | |
5177 | (void) fprintf(fp, gettext("\nzfs: error: %s"), msg); | |
5178 | ||
5179 | exit(requested ? 0 : 2); | |
5180 | } | |
5181 | ||
5182 | static inline const char * | |
5183 | munge_args(int argc, char **argv, boolean_t un, size_t expected_argc, | |
5184 | char **permsp) | |
5185 | { | |
5186 | if (un && argc == expected_argc - 1) | |
5187 | *permsp = NULL; | |
5188 | else if (argc == expected_argc) | |
5189 | *permsp = argv[argc - 2]; | |
5190 | else | |
5191 | allow_usage(un, B_FALSE, | |
5192 | gettext("wrong number of parameters\n")); | |
5193 | ||
5194 | return (argv[argc - 1]); | |
5195 | } | |
5196 | ||
5197 | static void | |
5198 | parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts) | |
5199 | { | |
5200 | int uge_sum = opts->user + opts->group + opts->everyone; | |
5201 | int csuge_sum = opts->create + opts->set + uge_sum; | |
5202 | int ldcsuge_sum = csuge_sum + opts->local + opts->descend; | |
5203 | int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum; | |
5204 | ||
5205 | if (uge_sum > 1) | |
5206 | allow_usage(un, B_FALSE, | |
5207 | gettext("-u, -g, and -e are mutually exclusive\n")); | |
5208 | ||
5209 | if (opts->prt_usage) { | |
5210 | if (argc == 0 && all_sum == 0) | |
5211 | allow_usage(un, B_TRUE, NULL); | |
5212 | else | |
5213 | usage(B_FALSE); | |
5214 | } | |
5215 | ||
5216 | if (opts->set) { | |
5217 | if (csuge_sum > 1) | |
5218 | allow_usage(un, B_FALSE, | |
5219 | gettext("invalid options combined with -s\n")); | |
5220 | ||
5221 | opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); | |
5222 | if (argv[0][0] != '@') | |
5223 | allow_usage(un, B_FALSE, | |
5224 | gettext("invalid set name: missing '@' prefix\n")); | |
5225 | opts->who = argv[0]; | |
5226 | } else if (opts->create) { | |
5227 | if (ldcsuge_sum > 1) | |
5228 | allow_usage(un, B_FALSE, | |
5229 | gettext("invalid options combined with -c\n")); | |
5230 | opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); | |
5231 | } else if (opts->everyone) { | |
5232 | if (csuge_sum > 1) | |
5233 | allow_usage(un, B_FALSE, | |
5234 | gettext("invalid options combined with -e\n")); | |
5235 | opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); | |
5236 | } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone") | |
5237 | == 0) { | |
5238 | opts->everyone = B_TRUE; | |
5239 | argc--; | |
5240 | argv++; | |
5241 | opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); | |
5242 | } else if (argc == 1 && !un) { | |
5243 | opts->prt_perms = B_TRUE; | |
5244 | opts->dataset = argv[argc-1]; | |
5245 | } else { | |
5246 | opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); | |
5247 | opts->who = argv[0]; | |
5248 | } | |
5249 | ||
5250 | if (!opts->local && !opts->descend) { | |
5251 | opts->local = B_TRUE; | |
5252 | opts->descend = B_TRUE; | |
5253 | } | |
5254 | } | |
5255 | ||
5256 | static void | |
5257 | store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend, | |
5258 | const char *who, char *perms, nvlist_t *top_nvl) | |
5259 | { | |
5260 | int i; | |
5261 | char ld[2] = { '\0', '\0' }; | |
5262 | char who_buf[MAXNAMELEN + 32]; | |
5263 | char base_type = '\0'; | |
5264 | char set_type = '\0'; | |
5265 | nvlist_t *base_nvl = NULL; | |
5266 | nvlist_t *set_nvl = NULL; | |
5267 | nvlist_t *nvl; | |
5268 | ||
5269 | if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0) | |
5270 | nomem(); | |
5271 | if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0) | |
5272 | nomem(); | |
5273 | ||
5274 | switch (type) { | |
5275 | case ZFS_DELEG_NAMED_SET_SETS: | |
5276 | case ZFS_DELEG_NAMED_SET: | |
5277 | set_type = ZFS_DELEG_NAMED_SET_SETS; | |
5278 | base_type = ZFS_DELEG_NAMED_SET; | |
5279 | ld[0] = ZFS_DELEG_NA; | |
5280 | break; | |
5281 | case ZFS_DELEG_CREATE_SETS: | |
5282 | case ZFS_DELEG_CREATE: | |
5283 | set_type = ZFS_DELEG_CREATE_SETS; | |
5284 | base_type = ZFS_DELEG_CREATE; | |
5285 | ld[0] = ZFS_DELEG_NA; | |
5286 | break; | |
5287 | case ZFS_DELEG_USER_SETS: | |
5288 | case ZFS_DELEG_USER: | |
5289 | set_type = ZFS_DELEG_USER_SETS; | |
5290 | base_type = ZFS_DELEG_USER; | |
5291 | if (local) | |
5292 | ld[0] = ZFS_DELEG_LOCAL; | |
5293 | if (descend) | |
5294 | ld[1] = ZFS_DELEG_DESCENDENT; | |
5295 | break; | |
5296 | case ZFS_DELEG_GROUP_SETS: | |
5297 | case ZFS_DELEG_GROUP: | |
5298 | set_type = ZFS_DELEG_GROUP_SETS; | |
5299 | base_type = ZFS_DELEG_GROUP; | |
5300 | if (local) | |
5301 | ld[0] = ZFS_DELEG_LOCAL; | |
5302 | if (descend) | |
5303 | ld[1] = ZFS_DELEG_DESCENDENT; | |
5304 | break; | |
5305 | case ZFS_DELEG_EVERYONE_SETS: | |
5306 | case ZFS_DELEG_EVERYONE: | |
5307 | set_type = ZFS_DELEG_EVERYONE_SETS; | |
5308 | base_type = ZFS_DELEG_EVERYONE; | |
5309 | if (local) | |
5310 | ld[0] = ZFS_DELEG_LOCAL; | |
5311 | if (descend) | |
5312 | ld[1] = ZFS_DELEG_DESCENDENT; | |
5313 | break; | |
5314 | ||
5315 | default: | |
5316 | assert(set_type != '\0' && base_type != '\0'); | |
5317 | } | |
5318 | ||
5319 | if (perms != NULL) { | |
5320 | char *curr = perms; | |
5321 | char *end = curr + strlen(perms); | |
5322 | ||
5323 | while (curr < end) { | |
5324 | char *delim = strchr(curr, ','); | |
5325 | if (delim == NULL) | |
5326 | delim = end; | |
5327 | else | |
5328 | *delim = '\0'; | |
5329 | ||
5330 | if (curr[0] == '@') | |
5331 | nvl = set_nvl; | |
5332 | else | |
5333 | nvl = base_nvl; | |
5334 | ||
5335 | (void) nvlist_add_boolean(nvl, curr); | |
5336 | if (delim != end) | |
5337 | *delim = ','; | |
5338 | curr = delim + 1; | |
5339 | } | |
5340 | ||
5341 | for (i = 0; i < 2; i++) { | |
5342 | char locality = ld[i]; | |
5343 | if (locality == 0) | |
5344 | continue; | |
5345 | ||
5346 | if (!nvlist_empty(base_nvl)) { | |
5347 | if (who != NULL) | |
5348 | (void) snprintf(who_buf, | |
5349 | sizeof (who_buf), "%c%c$%s", | |
5350 | base_type, locality, who); | |
5351 | else | |
5352 | (void) snprintf(who_buf, | |
5353 | sizeof (who_buf), "%c%c$", | |
5354 | base_type, locality); | |
5355 | ||
5356 | (void) nvlist_add_nvlist(top_nvl, who_buf, | |
5357 | base_nvl); | |
5358 | } | |
5359 | ||
5360 | ||
5361 | if (!nvlist_empty(set_nvl)) { | |
5362 | if (who != NULL) | |
5363 | (void) snprintf(who_buf, | |
5364 | sizeof (who_buf), "%c%c$%s", | |
5365 | set_type, locality, who); | |
5366 | else | |
5367 | (void) snprintf(who_buf, | |
5368 | sizeof (who_buf), "%c%c$", | |
5369 | set_type, locality); | |
5370 | ||
5371 | (void) nvlist_add_nvlist(top_nvl, who_buf, | |
5372 | set_nvl); | |
5373 | } | |
5374 | } | |
5375 | } else { | |
5376 | for (i = 0; i < 2; i++) { | |
5377 | char locality = ld[i]; | |
5378 | if (locality == 0) | |
5379 | continue; | |
5380 | ||
5381 | if (who != NULL) | |
5382 | (void) snprintf(who_buf, sizeof (who_buf), | |
5383 | "%c%c$%s", base_type, locality, who); | |
5384 | else | |
5385 | (void) snprintf(who_buf, sizeof (who_buf), | |
5386 | "%c%c$", base_type, locality); | |
5387 | (void) nvlist_add_boolean(top_nvl, who_buf); | |
5388 | ||
5389 | if (who != NULL) | |
5390 | (void) snprintf(who_buf, sizeof (who_buf), | |
5391 | "%c%c$%s", set_type, locality, who); | |
5392 | else | |
5393 | (void) snprintf(who_buf, sizeof (who_buf), | |
5394 | "%c%c$", set_type, locality); | |
5395 | (void) nvlist_add_boolean(top_nvl, who_buf); | |
5396 | } | |
5397 | } | |
5398 | } | |
5399 | ||
5400 | static int | |
5401 | construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp) | |
5402 | { | |
5403 | if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0) | |
5404 | nomem(); | |
5405 | ||
5406 | if (opts->set) { | |
5407 | store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local, | |
5408 | opts->descend, opts->who, opts->perms, *nvlp); | |
5409 | } else if (opts->create) { | |
5410 | store_allow_perm(ZFS_DELEG_CREATE, opts->local, | |
5411 | opts->descend, NULL, opts->perms, *nvlp); | |
5412 | } else if (opts->everyone) { | |
5413 | store_allow_perm(ZFS_DELEG_EVERYONE, opts->local, | |
5414 | opts->descend, NULL, opts->perms, *nvlp); | |
5415 | } else { | |
5416 | char *curr = opts->who; | |
5417 | char *end = curr + strlen(curr); | |
5418 | ||
5419 | while (curr < end) { | |
5420 | const char *who; | |
5421 | zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN; | |
5422 | char *endch; | |
5423 | char *delim = strchr(curr, ','); | |
5424 | char errbuf[256]; | |
5425 | char id[64]; | |
5426 | struct passwd *p = NULL; | |
5427 | struct group *g = NULL; | |
5428 | ||
5429 | uid_t rid; | |
5430 | if (delim == NULL) | |
5431 | delim = end; | |
5432 | else | |
5433 | *delim = '\0'; | |
5434 | ||
5435 | rid = (uid_t)strtol(curr, &endch, 0); | |
5436 | if (opts->user) { | |
5437 | who_type = ZFS_DELEG_USER; | |
5438 | if (*endch != '\0') | |
5439 | p = getpwnam(curr); | |
5440 | else | |
5441 | p = getpwuid(rid); | |
5442 | ||
5443 | if (p != NULL) | |
5444 | rid = p->pw_uid; | |
5445 | else { | |
5446 | (void) snprintf(errbuf, 256, gettext( | |
5447 | "invalid user %s"), curr); | |
5448 | allow_usage(un, B_TRUE, errbuf); | |
5449 | } | |
5450 | } else if (opts->group) { | |
5451 | who_type = ZFS_DELEG_GROUP; | |
5452 | if (*endch != '\0') | |
5453 | g = getgrnam(curr); | |
5454 | else | |
5455 | g = getgrgid(rid); | |
5456 | ||
5457 | if (g != NULL) | |
5458 | rid = g->gr_gid; | |
5459 | else { | |
5460 | (void) snprintf(errbuf, 256, gettext( | |
5461 | "invalid group %s"), curr); | |
5462 | allow_usage(un, B_TRUE, errbuf); | |
5463 | } | |
5464 | } else { | |
5465 | if (*endch != '\0') { | |
5466 | p = getpwnam(curr); | |
5467 | } else { | |
5468 | p = getpwuid(rid); | |
5469 | } | |
5470 | ||
5471 | if (p == NULL) { | |
5472 | if (*endch != '\0') { | |
5473 | g = getgrnam(curr); | |
5474 | } else { | |
5475 | g = getgrgid(rid); | |
5476 | } | |
5477 | } | |
5478 | ||
5479 | if (p != NULL) { | |
5480 | who_type = ZFS_DELEG_USER; | |
5481 | rid = p->pw_uid; | |
5482 | } else if (g != NULL) { | |
5483 | who_type = ZFS_DELEG_GROUP; | |
5484 | rid = g->gr_gid; | |
5485 | } else { | |
5486 | (void) snprintf(errbuf, 256, gettext( | |
5487 | "invalid user/group %s"), curr); | |
5488 | allow_usage(un, B_TRUE, errbuf); | |
5489 | } | |
5490 | } | |
5491 | ||
5492 | (void) sprintf(id, "%u", rid); | |
5493 | who = id; | |
5494 | ||
5495 | store_allow_perm(who_type, opts->local, | |
5496 | opts->descend, who, opts->perms, *nvlp); | |
5497 | curr = delim + 1; | |
5498 | } | |
5499 | } | |
5500 | ||
5501 | return (0); | |
5502 | } | |
5503 | ||
5504 | static void | |
5505 | print_set_creat_perms(uu_avl_t *who_avl) | |
5506 | { | |
5507 | const char *sc_title[] = { | |
5508 | gettext("Permission sets:\n"), | |
5509 | gettext("Create time permissions:\n"), | |
5510 | NULL | |
5511 | }; | |
5512 | who_perm_node_t *who_node = NULL; | |
5513 | int prev_weight = -1; | |
5514 | ||
5515 | for (who_node = uu_avl_first(who_avl); who_node != NULL; | |
5516 | who_node = uu_avl_next(who_avl, who_node)) { | |
5517 | uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; | |
5518 | zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; | |
5519 | const char *who_name = who_node->who_perm.who_name; | |
5520 | int weight = who_type2weight(who_type); | |
5521 | boolean_t first = B_TRUE; | |
5522 | deleg_perm_node_t *deleg_node; | |
5523 | ||
5524 | if (prev_weight != weight) { | |
5525 | (void) printf("%s", sc_title[weight]); | |
5526 | prev_weight = weight; | |
5527 | } | |
5528 | ||
5529 | if (who_name == NULL || strnlen(who_name, 1) == 0) | |
5530 | (void) printf("\t"); | |
5531 | else | |
5532 | (void) printf("\t%s ", who_name); | |
5533 | ||
5534 | for (deleg_node = uu_avl_first(avl); deleg_node != NULL; | |
5535 | deleg_node = uu_avl_next(avl, deleg_node)) { | |
5536 | if (first) { | |
5537 | (void) printf("%s", | |
5538 | deleg_node->dpn_perm.dp_name); | |
5539 | first = B_FALSE; | |
5540 | } else | |
5541 | (void) printf(",%s", | |
5542 | deleg_node->dpn_perm.dp_name); | |
5543 | } | |
5544 | ||
5545 | (void) printf("\n"); | |
5546 | } | |
5547 | } | |
5548 | ||
5549 | static void | |
5550 | print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend, | |
5551 | const char *title) | |
5552 | { | |
5553 | who_perm_node_t *who_node = NULL; | |
5554 | boolean_t prt_title = B_TRUE; | |
5555 | uu_avl_walk_t *walk; | |
5556 | ||
5557 | if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL) | |
5558 | nomem(); | |
5559 | ||
5560 | while ((who_node = uu_avl_walk_next(walk)) != NULL) { | |
5561 | const char *who_name = who_node->who_perm.who_name; | |
5562 | const char *nice_who_name = who_node->who_perm.who_ug_name; | |
5563 | uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; | |
5564 | zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; | |
5565 | char delim = ' '; | |
5566 | deleg_perm_node_t *deleg_node; | |
5567 | boolean_t prt_who = B_TRUE; | |
5568 | ||
5569 | for (deleg_node = uu_avl_first(avl); | |
5570 | deleg_node != NULL; | |
5571 | deleg_node = uu_avl_next(avl, deleg_node)) { | |
5572 | if (local != deleg_node->dpn_perm.dp_local || | |
5573 | descend != deleg_node->dpn_perm.dp_descend) | |
5574 | continue; | |
5575 | ||
5576 | if (prt_who) { | |
5577 | const char *who = NULL; | |
5578 | if (prt_title) { | |
5579 | prt_title = B_FALSE; | |
5580 | (void) printf("%s", title); | |
5581 | } | |
5582 | ||
5583 | switch (who_type) { | |
5584 | case ZFS_DELEG_USER_SETS: | |
5585 | case ZFS_DELEG_USER: | |
5586 | who = gettext("user"); | |
5587 | if (nice_who_name) | |
5588 | who_name = nice_who_name; | |
5589 | break; | |
5590 | case ZFS_DELEG_GROUP_SETS: | |
5591 | case ZFS_DELEG_GROUP: | |
5592 | who = gettext("group"); | |
5593 | if (nice_who_name) | |
5594 | who_name = nice_who_name; | |
5595 | break; | |
5596 | case ZFS_DELEG_EVERYONE_SETS: | |
5597 | case ZFS_DELEG_EVERYONE: | |
5598 | who = gettext("everyone"); | |
5599 | who_name = NULL; | |
5600 | break; | |
5601 | ||
5602 | default: | |
5603 | assert(who != NULL); | |
5604 | } | |
5605 | ||
5606 | prt_who = B_FALSE; | |
5607 | if (who_name == NULL) | |
5608 | (void) printf("\t%s", who); | |
5609 | else | |
5610 | (void) printf("\t%s %s", who, who_name); | |
5611 | } | |
5612 | ||
5613 | (void) printf("%c%s", delim, | |
5614 | deleg_node->dpn_perm.dp_name); | |
5615 | delim = ','; | |
5616 | } | |
5617 | ||
5618 | if (!prt_who) | |
5619 | (void) printf("\n"); | |
5620 | } | |
5621 | ||
5622 | uu_avl_walk_end(walk); | |
5623 | } | |
5624 | ||
5625 | static void | |
5626 | print_fs_perms(fs_perm_set_t *fspset) | |
5627 | { | |
5628 | fs_perm_node_t *node = NULL; | |
5629 | char buf[MAXNAMELEN + 32]; | |
5630 | const char *dsname = buf; | |
5631 | ||
5632 | for (node = uu_list_first(fspset->fsps_list); node != NULL; | |
5633 | node = uu_list_next(fspset->fsps_list, node)) { | |
5634 | uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl; | |
5635 | uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl; | |
5636 | int left = 0; | |
5637 | ||
5638 | (void) snprintf(buf, sizeof (buf), | |
5639 | gettext("---- Permissions on %s "), | |
5640 | node->fspn_fsperm.fsp_name); | |
5641 | (void) printf("%s", dsname); | |
5642 | left = 70 - strlen(buf); | |
5643 | while (left-- > 0) | |
5644 | (void) printf("-"); | |
5645 | (void) printf("\n"); | |
5646 | ||
5647 | print_set_creat_perms(sc_avl); | |
5648 | print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE, | |
5649 | gettext("Local permissions:\n")); | |
5650 | print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE, | |
5651 | gettext("Descendent permissions:\n")); | |
5652 | print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE, | |
5653 | gettext("Local+Descendent permissions:\n")); | |
5654 | } | |
5655 | } | |
5656 | ||
5657 | static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL }; | |
5658 | ||
5659 | struct deleg_perms { | |
5660 | boolean_t un; | |
5661 | nvlist_t *nvl; | |
5662 | }; | |
5663 | ||
5664 | static int | |
5665 | set_deleg_perms(zfs_handle_t *zhp, void *data) | |
5666 | { | |
5667 | struct deleg_perms *perms = (struct deleg_perms *)data; | |
5668 | zfs_type_t zfs_type = zfs_get_type(zhp); | |
5669 | ||
5670 | if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME) | |
5671 | return (0); | |
5672 | ||
5673 | return (zfs_set_fsacl(zhp, perms->un, perms->nvl)); | |
5674 | } | |
5675 | ||
5676 | static int | |
5677 | zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un) | |
5678 | { | |
5679 | zfs_handle_t *zhp; | |
5680 | nvlist_t *perm_nvl = NULL; | |
5681 | nvlist_t *update_perm_nvl = NULL; | |
5682 | int error = 1; | |
5683 | int c; | |
5684 | struct allow_opts opts = { 0 }; | |
5685 | ||
5686 | const char *optstr = un ? "ldugecsrh" : "ldugecsh"; | |
5687 | ||
5688 | /* check opts */ | |
5689 | while ((c = getopt(argc, argv, optstr)) != -1) { | |
5690 | switch (c) { | |
5691 | case 'l': | |
5692 | opts.local = B_TRUE; | |
5693 | break; | |
5694 | case 'd': | |
5695 | opts.descend = B_TRUE; | |
5696 | break; | |
5697 | case 'u': | |
5698 | opts.user = B_TRUE; | |
5699 | break; | |
5700 | case 'g': | |
5701 | opts.group = B_TRUE; | |
5702 | break; | |
5703 | case 'e': | |
5704 | opts.everyone = B_TRUE; | |
5705 | break; | |
5706 | case 's': | |
5707 | opts.set = B_TRUE; | |
5708 | break; | |
5709 | case 'c': | |
5710 | opts.create = B_TRUE; | |
5711 | break; | |
5712 | case 'r': | |
5713 | opts.recursive = B_TRUE; | |
5714 | break; | |
5715 | case ':': | |
5716 | (void) fprintf(stderr, gettext("missing argument for " | |
5717 | "'%c' option\n"), optopt); | |
5718 | usage(B_FALSE); | |
5719 | break; | |
5720 | case 'h': | |
5721 | opts.prt_usage = B_TRUE; | |
5722 | break; | |
5723 | case '?': | |
5724 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
5725 | optopt); | |
5726 | usage(B_FALSE); | |
5727 | } | |
5728 | } | |
5729 | ||
5730 | argc -= optind; | |
5731 | argv += optind; | |
5732 | ||
5733 | /* check arguments */ | |
5734 | parse_allow_args(argc, argv, un, &opts); | |
5735 | ||
5736 | /* try to open the dataset */ | |
5737 | if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM | | |
5738 | ZFS_TYPE_VOLUME)) == NULL) { | |
5739 | (void) fprintf(stderr, "Failed to open dataset: %s\n", | |
5740 | opts.dataset); | |
5741 | return (-1); | |
5742 | } | |
5743 | ||
5744 | if (zfs_get_fsacl(zhp, &perm_nvl) != 0) | |
5745 | goto cleanup2; | |
5746 | ||
5747 | fs_perm_set_init(&fs_perm_set); | |
5748 | if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) { | |
5749 | (void) fprintf(stderr, "Failed to parse fsacl permissions\n"); | |
5750 | goto cleanup1; | |
5751 | } | |
5752 | ||
5753 | if (opts.prt_perms) | |
5754 | print_fs_perms(&fs_perm_set); | |
5755 | else { | |
5756 | (void) construct_fsacl_list(un, &opts, &update_perm_nvl); | |
5757 | if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0) | |
5758 | goto cleanup0; | |
5759 | ||
5760 | if (un && opts.recursive) { | |
5761 | struct deleg_perms data = { un, update_perm_nvl }; | |
5762 | if (zfs_iter_filesystems(zhp, set_deleg_perms, | |
5763 | &data) != 0) | |
5764 | goto cleanup0; | |
5765 | } | |
5766 | } | |
5767 | ||
5768 | error = 0; | |
5769 | ||
5770 | cleanup0: | |
5771 | nvlist_free(perm_nvl); | |
5772 | nvlist_free(update_perm_nvl); | |
5773 | cleanup1: | |
5774 | fs_perm_set_fini(&fs_perm_set); | |
5775 | cleanup2: | |
5776 | zfs_close(zhp); | |
5777 | ||
5778 | return (error); | |
5779 | } | |
5780 | ||
5781 | static int | |
5782 | zfs_do_allow(int argc, char **argv) | |
5783 | { | |
5784 | return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE)); | |
5785 | } | |
5786 | ||
5787 | static int | |
5788 | zfs_do_unallow(int argc, char **argv) | |
5789 | { | |
5790 | return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE)); | |
5791 | } | |
5792 | ||
5793 | static int | |
5794 | zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding) | |
5795 | { | |
5796 | int errors = 0; | |
5797 | int i; | |
5798 | const char *tag; | |
5799 | boolean_t recursive = B_FALSE; | |
5800 | const char *opts = holding ? "rt" : "r"; | |
5801 | int c; | |
5802 | ||
5803 | /* check options */ | |
5804 | while ((c = getopt(argc, argv, opts)) != -1) { | |
5805 | switch (c) { | |
5806 | case 'r': | |
5807 | recursive = B_TRUE; | |
5808 | break; | |
5809 | case '?': | |
5810 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
5811 | optopt); | |
5812 | usage(B_FALSE); | |
5813 | } | |
5814 | } | |
5815 | ||
5816 | argc -= optind; | |
5817 | argv += optind; | |
5818 | ||
5819 | /* check number of arguments */ | |
5820 | if (argc < 2) | |
5821 | usage(B_FALSE); | |
5822 | ||
5823 | tag = argv[0]; | |
5824 | --argc; | |
5825 | ++argv; | |
5826 | ||
5827 | if (holding && tag[0] == '.') { | |
5828 | /* tags starting with '.' are reserved for libzfs */ | |
5829 | (void) fprintf(stderr, gettext("tag may not start with '.'\n")); | |
5830 | usage(B_FALSE); | |
5831 | } | |
5832 | ||
5833 | for (i = 0; i < argc; ++i) { | |
5834 | zfs_handle_t *zhp; | |
5835 | char parent[ZFS_MAX_DATASET_NAME_LEN]; | |
5836 | const char *delim; | |
5837 | char *path = argv[i]; | |
5838 | ||
5839 | delim = strchr(path, '@'); | |
5840 | if (delim == NULL) { | |
5841 | (void) fprintf(stderr, | |
5842 | gettext("'%s' is not a snapshot\n"), path); | |
5843 | ++errors; | |
5844 | continue; | |
5845 | } | |
5846 | (void) strncpy(parent, path, delim - path); | |
5847 | parent[delim - path] = '\0'; | |
5848 | ||
5849 | zhp = zfs_open(g_zfs, parent, | |
5850 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
5851 | if (zhp == NULL) { | |
5852 | ++errors; | |
5853 | continue; | |
5854 | } | |
5855 | if (holding) { | |
5856 | if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0) | |
5857 | ++errors; | |
5858 | } else { | |
5859 | if (zfs_release(zhp, delim+1, tag, recursive) != 0) | |
5860 | ++errors; | |
5861 | } | |
5862 | zfs_close(zhp); | |
5863 | } | |
5864 | ||
5865 | return (errors != 0); | |
5866 | } | |
5867 | ||
5868 | /* | |
5869 | * zfs hold [-r] [-t] <tag> <snap> ... | |
5870 | * | |
5871 | * -r Recursively hold | |
5872 | * | |
5873 | * Apply a user-hold with the given tag to the list of snapshots. | |
5874 | */ | |
5875 | static int | |
5876 | zfs_do_hold(int argc, char **argv) | |
5877 | { | |
5878 | return (zfs_do_hold_rele_impl(argc, argv, B_TRUE)); | |
5879 | } | |
5880 | ||
5881 | /* | |
5882 | * zfs release [-r] <tag> <snap> ... | |
5883 | * | |
5884 | * -r Recursively release | |
5885 | * | |
5886 | * Release a user-hold with the given tag from the list of snapshots. | |
5887 | */ | |
5888 | static int | |
5889 | zfs_do_release(int argc, char **argv) | |
5890 | { | |
5891 | return (zfs_do_hold_rele_impl(argc, argv, B_FALSE)); | |
5892 | } | |
5893 | ||
5894 | typedef struct holds_cbdata { | |
5895 | boolean_t cb_recursive; | |
5896 | const char *cb_snapname; | |
5897 | nvlist_t **cb_nvlp; | |
5898 | size_t cb_max_namelen; | |
5899 | size_t cb_max_taglen; | |
5900 | } holds_cbdata_t; | |
5901 | ||
5902 | #define STRFTIME_FMT_STR "%a %b %e %k:%M %Y" | |
5903 | #define DATETIME_BUF_LEN (32) | |
5904 | /* | |
5905 | * | |
5906 | */ | |
5907 | static void | |
5908 | print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl) | |
5909 | { | |
5910 | int i; | |
5911 | nvpair_t *nvp = NULL; | |
5912 | char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" }; | |
5913 | const char *col; | |
5914 | ||
5915 | if (!scripted) { | |
5916 | for (i = 0; i < 3; i++) { | |
5917 | col = gettext(hdr_cols[i]); | |
5918 | if (i < 2) | |
5919 | (void) printf("%-*s ", i ? tagwidth : nwidth, | |
5920 | col); | |
5921 | else | |
5922 | (void) printf("%s\n", col); | |
5923 | } | |
5924 | } | |
5925 | ||
5926 | while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { | |
5927 | char *zname = nvpair_name(nvp); | |
5928 | nvlist_t *nvl2; | |
5929 | nvpair_t *nvp2 = NULL; | |
5930 | (void) nvpair_value_nvlist(nvp, &nvl2); | |
5931 | while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) { | |
5932 | char tsbuf[DATETIME_BUF_LEN]; | |
5933 | char *tagname = nvpair_name(nvp2); | |
5934 | uint64_t val = 0; | |
5935 | time_t time; | |
5936 | struct tm t; | |
5937 | ||
5938 | (void) nvpair_value_uint64(nvp2, &val); | |
5939 | time = (time_t)val; | |
5940 | (void) localtime_r(&time, &t); | |
5941 | (void) strftime(tsbuf, DATETIME_BUF_LEN, | |
5942 | gettext(STRFTIME_FMT_STR), &t); | |
5943 | ||
5944 | if (scripted) { | |
5945 | (void) printf("%s\t%s\t%s\n", zname, | |
5946 | tagname, tsbuf); | |
5947 | } else { | |
5948 | (void) printf("%-*s %-*s %s\n", nwidth, | |
5949 | zname, tagwidth, tagname, tsbuf); | |
5950 | } | |
5951 | } | |
5952 | } | |
5953 | } | |
5954 | ||
5955 | /* | |
5956 | * Generic callback function to list a dataset or snapshot. | |
5957 | */ | |
5958 | static int | |
5959 | holds_callback(zfs_handle_t *zhp, void *data) | |
5960 | { | |
5961 | holds_cbdata_t *cbp = data; | |
5962 | nvlist_t *top_nvl = *cbp->cb_nvlp; | |
5963 | nvlist_t *nvl = NULL; | |
5964 | nvpair_t *nvp = NULL; | |
5965 | const char *zname = zfs_get_name(zhp); | |
5966 | size_t znamelen = strlen(zname); | |
5967 | ||
5968 | if (cbp->cb_recursive) { | |
5969 | const char *snapname; | |
5970 | char *delim = strchr(zname, '@'); | |
5971 | if (delim == NULL) | |
5972 | return (0); | |
5973 | ||
5974 | snapname = delim + 1; | |
5975 | if (strcmp(cbp->cb_snapname, snapname)) | |
5976 | return (0); | |
5977 | } | |
5978 | ||
5979 | if (zfs_get_holds(zhp, &nvl) != 0) | |
5980 | return (-1); | |
5981 | ||
5982 | if (znamelen > cbp->cb_max_namelen) | |
5983 | cbp->cb_max_namelen = znamelen; | |
5984 | ||
5985 | while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { | |
5986 | const char *tag = nvpair_name(nvp); | |
5987 | size_t taglen = strlen(tag); | |
5988 | if (taglen > cbp->cb_max_taglen) | |
5989 | cbp->cb_max_taglen = taglen; | |
5990 | } | |
5991 | ||
5992 | return (nvlist_add_nvlist(top_nvl, zname, nvl)); | |
5993 | } | |
5994 | ||
5995 | /* | |
5996 | * zfs holds [-rH] <snap> ... | |
5997 | * | |
5998 | * -r Lists holds that are set on the named snapshots recursively. | |
5999 | * -H Scripted mode; elide headers and separate columns by tabs. | |
6000 | */ | |
6001 | static int | |
6002 | zfs_do_holds(int argc, char **argv) | |
6003 | { | |
6004 | int errors = 0; | |
6005 | int c; | |
6006 | int i; | |
6007 | boolean_t scripted = B_FALSE; | |
6008 | boolean_t recursive = B_FALSE; | |
6009 | const char *opts = "rH"; | |
6010 | nvlist_t *nvl; | |
6011 | ||
6012 | int types = ZFS_TYPE_SNAPSHOT; | |
6013 | holds_cbdata_t cb = { 0 }; | |
6014 | ||
6015 | int limit = 0; | |
6016 | int ret = 0; | |
6017 | int flags = 0; | |
6018 | ||
6019 | /* check options */ | |
6020 | while ((c = getopt(argc, argv, opts)) != -1) { | |
6021 | switch (c) { | |
6022 | case 'r': | |
6023 | recursive = B_TRUE; | |
6024 | break; | |
6025 | case 'H': | |
6026 | scripted = B_TRUE; | |
6027 | break; | |
6028 | case '?': | |
6029 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
6030 | optopt); | |
6031 | usage(B_FALSE); | |
6032 | } | |
6033 | } | |
6034 | ||
6035 | if (recursive) { | |
6036 | types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME; | |
6037 | flags |= ZFS_ITER_RECURSE; | |
6038 | } | |
6039 | ||
6040 | argc -= optind; | |
6041 | argv += optind; | |
6042 | ||
6043 | /* check number of arguments */ | |
6044 | if (argc < 1) | |
6045 | usage(B_FALSE); | |
6046 | ||
6047 | if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) | |
6048 | nomem(); | |
6049 | ||
6050 | for (i = 0; i < argc; ++i) { | |
6051 | char *snapshot = argv[i]; | |
6052 | const char *delim; | |
6053 | const char *snapname; | |
6054 | ||
6055 | delim = strchr(snapshot, '@'); | |
6056 | if (delim == NULL) { | |
6057 | (void) fprintf(stderr, | |
6058 | gettext("'%s' is not a snapshot\n"), snapshot); | |
6059 | ++errors; | |
6060 | continue; | |
6061 | } | |
6062 | snapname = delim + 1; | |
6063 | if (recursive) | |
6064 | snapshot[delim - snapshot] = '\0'; | |
6065 | ||
6066 | cb.cb_recursive = recursive; | |
6067 | cb.cb_snapname = snapname; | |
6068 | cb.cb_nvlp = &nvl; | |
6069 | ||
6070 | /* | |
6071 | * 1. collect holds data, set format options | |
6072 | */ | |
6073 | ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit, | |
6074 | holds_callback, &cb); | |
6075 | if (ret != 0) | |
6076 | ++errors; | |
6077 | } | |
6078 | ||
6079 | /* | |
6080 | * 2. print holds data | |
6081 | */ | |
6082 | print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl); | |
6083 | ||
6084 | if (nvlist_empty(nvl)) | |
6085 | (void) fprintf(stderr, gettext("no datasets available\n")); | |
6086 | ||
6087 | nvlist_free(nvl); | |
6088 | ||
6089 | return (0 != errors); | |
6090 | } | |
6091 | ||
6092 | #define CHECK_SPINNER 30 | |
6093 | #define SPINNER_TIME 3 /* seconds */ | |
6094 | #define MOUNT_TIME 1 /* seconds */ | |
6095 | ||
6096 | typedef struct get_all_state { | |
6097 | boolean_t ga_verbose; | |
6098 | get_all_cb_t *ga_cbp; | |
6099 | } get_all_state_t; | |
6100 | ||
6101 | static int | |
6102 | get_one_dataset(zfs_handle_t *zhp, void *data) | |
6103 | { | |
6104 | static char *spin[] = { "-", "\\", "|", "/" }; | |
6105 | static int spinval = 0; | |
6106 | static int spincheck = 0; | |
6107 | static time_t last_spin_time = (time_t)0; | |
6108 | get_all_state_t *state = data; | |
6109 | zfs_type_t type = zfs_get_type(zhp); | |
6110 | ||
6111 | if (state->ga_verbose) { | |
6112 | if (--spincheck < 0) { | |
6113 | time_t now = time(NULL); | |
6114 | if (last_spin_time + SPINNER_TIME < now) { | |
6115 | update_progress(spin[spinval++ % 4]); | |
6116 | last_spin_time = now; | |
6117 | } | |
6118 | spincheck = CHECK_SPINNER; | |
6119 | } | |
6120 | } | |
6121 | ||
6122 | /* | |
6123 | * Iterate over any nested datasets. | |
6124 | */ | |
6125 | if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) { | |
6126 | zfs_close(zhp); | |
6127 | return (1); | |
6128 | } | |
6129 | ||
6130 | /* | |
6131 | * Skip any datasets whose type does not match. | |
6132 | */ | |
6133 | if ((type & ZFS_TYPE_FILESYSTEM) == 0) { | |
6134 | zfs_close(zhp); | |
6135 | return (0); | |
6136 | } | |
6137 | libzfs_add_handle(state->ga_cbp, zhp); | |
6138 | assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc); | |
6139 | ||
6140 | return (0); | |
6141 | } | |
6142 | ||
6143 | static void | |
6144 | get_all_datasets(get_all_cb_t *cbp, boolean_t verbose) | |
6145 | { | |
6146 | get_all_state_t state = { | |
6147 | .ga_verbose = verbose, | |
6148 | .ga_cbp = cbp | |
6149 | }; | |
6150 | ||
6151 | if (verbose) | |
6152 | set_progress_header(gettext("Reading ZFS config")); | |
6153 | (void) zfs_iter_root(g_zfs, get_one_dataset, &state); | |
6154 | ||
6155 | if (verbose) | |
6156 | finish_progress(gettext("done.")); | |
6157 | } | |
6158 | ||
6159 | /* | |
6160 | * Generic callback for sharing or mounting filesystems. Because the code is so | |
6161 | * similar, we have a common function with an extra parameter to determine which | |
6162 | * mode we are using. | |
6163 | */ | |
6164 | typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t; | |
6165 | ||
6166 | typedef struct share_mount_state { | |
6167 | share_mount_op_t sm_op; | |
6168 | boolean_t sm_verbose; | |
6169 | int sm_flags; | |
6170 | char *sm_options; | |
6171 | char *sm_proto; /* only valid for OP_SHARE */ | |
6172 | pthread_mutex_t sm_lock; /* protects the remaining fields */ | |
6173 | uint_t sm_total; /* number of filesystems to process */ | |
6174 | uint_t sm_done; /* number of filesystems processed */ | |
6175 | int sm_status; /* -1 if any of the share/mount operations failed */ | |
6176 | } share_mount_state_t; | |
6177 | ||
6178 | /* | |
6179 | * Share or mount a dataset. | |
6180 | */ | |
6181 | static int | |
6182 | share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol, | |
6183 | boolean_t explicit, const char *options) | |
6184 | { | |
6185 | char mountpoint[ZFS_MAXPROPLEN]; | |
6186 | char shareopts[ZFS_MAXPROPLEN]; | |
6187 | char smbshareopts[ZFS_MAXPROPLEN]; | |
6188 | const char *cmdname = op == OP_SHARE ? "share" : "mount"; | |
6189 | struct mnttab mnt; | |
6190 | uint64_t zoned, canmount; | |
6191 | boolean_t shared_nfs, shared_smb; | |
6192 | ||
6193 | assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM); | |
6194 | ||
6195 | /* | |
6196 | * Check to make sure we can mount/share this dataset. If we | |
6197 | * are in the global zone and the filesystem is exported to a | |
6198 | * local zone, or if we are in a local zone and the | |
6199 | * filesystem is not exported, then it is an error. | |
6200 | */ | |
6201 | zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); | |
6202 | ||
6203 | if (zoned && getzoneid() == GLOBAL_ZONEID) { | |
6204 | if (!explicit) | |
6205 | return (0); | |
6206 | ||
6207 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
6208 | "dataset is exported to a local zone\n"), cmdname, | |
6209 | zfs_get_name(zhp)); | |
6210 | return (1); | |
6211 | ||
6212 | } else if (!zoned && getzoneid() != GLOBAL_ZONEID) { | |
6213 | if (!explicit) | |
6214 | return (0); | |
6215 | ||
6216 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
6217 | "permission denied\n"), cmdname, | |
6218 | zfs_get_name(zhp)); | |
6219 | return (1); | |
6220 | } | |
6221 | ||
6222 | /* | |
6223 | * Ignore any filesystems which don't apply to us. This | |
6224 | * includes those with a legacy mountpoint, or those with | |
6225 | * legacy share options. | |
6226 | */ | |
6227 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, | |
6228 | sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0); | |
6229 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts, | |
6230 | sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0); | |
6231 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts, | |
6232 | sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0); | |
6233 | ||
6234 | if (op == OP_SHARE && strcmp(shareopts, "off") == 0 && | |
6235 | strcmp(smbshareopts, "off") == 0) { | |
6236 | if (!explicit) | |
6237 | return (0); | |
6238 | ||
6239 | (void) fprintf(stderr, gettext("cannot share '%s': " | |
6240 | "legacy share\n"), zfs_get_name(zhp)); | |
6241 | (void) fprintf(stderr, gettext("use share(1M) to " | |
6242 | "share this filesystem, or set " | |
6243 | "sharenfs property on\n")); | |
6244 | return (1); | |
6245 | } | |
6246 | ||
6247 | /* | |
6248 | * We cannot share or mount legacy filesystems. If the | |
6249 | * shareopts is non-legacy but the mountpoint is legacy, we | |
6250 | * treat it as a legacy share. | |
6251 | */ | |
6252 | if (strcmp(mountpoint, "legacy") == 0) { | |
6253 | if (!explicit) | |
6254 | return (0); | |
6255 | ||
6256 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
6257 | "legacy mountpoint\n"), cmdname, zfs_get_name(zhp)); | |
6258 | (void) fprintf(stderr, gettext("use %s(1M) to " | |
6259 | "%s this filesystem\n"), cmdname, cmdname); | |
6260 | return (1); | |
6261 | } | |
6262 | ||
6263 | if (strcmp(mountpoint, "none") == 0) { | |
6264 | if (!explicit) | |
6265 | return (0); | |
6266 | ||
6267 | (void) fprintf(stderr, gettext("cannot %s '%s': no " | |
6268 | "mountpoint set\n"), cmdname, zfs_get_name(zhp)); | |
6269 | return (1); | |
6270 | } | |
6271 | ||
6272 | /* | |
6273 | * canmount explicit outcome | |
6274 | * on no pass through | |
6275 | * on yes pass through | |
6276 | * off no return 0 | |
6277 | * off yes display error, return 1 | |
6278 | * noauto no return 0 | |
6279 | * noauto yes pass through | |
6280 | */ | |
6281 | canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); | |
6282 | if (canmount == ZFS_CANMOUNT_OFF) { | |
6283 | if (!explicit) | |
6284 | return (0); | |
6285 | ||
6286 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
6287 | "'canmount' property is set to 'off'\n"), cmdname, | |
6288 | zfs_get_name(zhp)); | |
6289 | return (1); | |
6290 | } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) { | |
6291 | return (0); | |
6292 | } | |
6293 | ||
6294 | /* | |
6295 | * If this filesystem is encrypted and does not have | |
6296 | * a loaded key, we can not mount it. | |
6297 | */ | |
6298 | if ((flags & MS_CRYPT) == 0 && | |
6299 | zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF && | |
6300 | zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) == | |
6301 | ZFS_KEYSTATUS_UNAVAILABLE) { | |
6302 | if (!explicit) | |
6303 | return (0); | |
6304 | ||
6305 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
6306 | "encryption key not loaded\n"), cmdname, zfs_get_name(zhp)); | |
6307 | return (1); | |
6308 | } | |
6309 | ||
6310 | /* | |
6311 | * If this filesystem is inconsistent and has a receive resume | |
6312 | * token, we can not mount it. | |
6313 | */ | |
6314 | if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) && | |
6315 | zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, | |
6316 | NULL, 0, NULL, NULL, 0, B_TRUE) == 0) { | |
6317 | if (!explicit) | |
6318 | return (0); | |
6319 | ||
6320 | (void) fprintf(stderr, gettext("cannot %s '%s': " | |
6321 | "Contains partially-completed state from " | |
6322 | "\"zfs receive -s\", which can be resumed with " | |
6323 | "\"zfs send -t\"\n"), | |
6324 | cmdname, zfs_get_name(zhp)); | |
6325 | return (1); | |
6326 | } | |
6327 | ||
6328 | /* | |
6329 | * At this point, we have verified that the mountpoint and/or | |
6330 | * shareopts are appropriate for auto management. If the | |
6331 | * filesystem is already mounted or shared, return (failing | |
6332 | * for explicit requests); otherwise mount or share the | |
6333 | * filesystem. | |
6334 | */ | |
6335 | switch (op) { | |
6336 | case OP_SHARE: | |
6337 | ||
6338 | shared_nfs = zfs_is_shared_nfs(zhp, NULL); | |
6339 | shared_smb = zfs_is_shared_smb(zhp, NULL); | |
6340 | ||
6341 | if ((shared_nfs && shared_smb) || | |
6342 | (shared_nfs && strcmp(shareopts, "on") == 0 && | |
6343 | strcmp(smbshareopts, "off") == 0) || | |
6344 | (shared_smb && strcmp(smbshareopts, "on") == 0 && | |
6345 | strcmp(shareopts, "off") == 0)) { | |
6346 | if (!explicit) | |
6347 | return (0); | |
6348 | ||
6349 | (void) fprintf(stderr, gettext("cannot share " | |
6350 | "'%s': filesystem already shared\n"), | |
6351 | zfs_get_name(zhp)); | |
6352 | return (1); | |
6353 | } | |
6354 | ||
6355 | if (!zfs_is_mounted(zhp, NULL) && | |
6356 | zfs_mount(zhp, NULL, flags) != 0) | |
6357 | return (1); | |
6358 | ||
6359 | if (protocol == NULL) { | |
6360 | if (zfs_shareall(zhp) != 0) | |
6361 | return (1); | |
6362 | } else if (strcmp(protocol, "nfs") == 0) { | |
6363 | if (zfs_share_nfs(zhp)) | |
6364 | return (1); | |
6365 | } else if (strcmp(protocol, "smb") == 0) { | |
6366 | if (zfs_share_smb(zhp)) | |
6367 | return (1); | |
6368 | } else { | |
6369 | (void) fprintf(stderr, gettext("cannot share " | |
6370 | "'%s': invalid share type '%s' " | |
6371 | "specified\n"), | |
6372 | zfs_get_name(zhp), protocol); | |
6373 | return (1); | |
6374 | } | |
6375 | ||
6376 | break; | |
6377 | ||
6378 | case OP_MOUNT: | |
6379 | if (options == NULL) | |
6380 | mnt.mnt_mntopts = ""; | |
6381 | else | |
6382 | mnt.mnt_mntopts = (char *)options; | |
6383 | ||
6384 | if (!hasmntopt(&mnt, MNTOPT_REMOUNT) && | |
6385 | zfs_is_mounted(zhp, NULL)) { | |
6386 | if (!explicit) | |
6387 | return (0); | |
6388 | ||
6389 | (void) fprintf(stderr, gettext("cannot mount " | |
6390 | "'%s': filesystem already mounted\n"), | |
6391 | zfs_get_name(zhp)); | |
6392 | return (1); | |
6393 | } | |
6394 | ||
6395 | if (zfs_mount(zhp, options, flags) != 0) | |
6396 | return (1); | |
6397 | break; | |
6398 | } | |
6399 | ||
6400 | return (0); | |
6401 | } | |
6402 | ||
6403 | /* | |
6404 | * Reports progress in the form "(current/total)". Not thread-safe. | |
6405 | */ | |
6406 | static void | |
6407 | report_mount_progress(int current, int total) | |
6408 | { | |
6409 | static time_t last_progress_time = 0; | |
6410 | time_t now = time(NULL); | |
6411 | char info[32]; | |
6412 | ||
6413 | /* report 1..n instead of 0..n-1 */ | |
6414 | ++current; | |
6415 | ||
6416 | /* display header if we're here for the first time */ | |
6417 | if (current == 1) { | |
6418 | set_progress_header(gettext("Mounting ZFS filesystems")); | |
6419 | } else if (current != total && last_progress_time + MOUNT_TIME >= now) { | |
6420 | /* too soon to report again */ | |
6421 | return; | |
6422 | } | |
6423 | ||
6424 | last_progress_time = now; | |
6425 | ||
6426 | (void) sprintf(info, "(%d/%d)", current, total); | |
6427 | ||
6428 | if (current == total) | |
6429 | finish_progress(info); | |
6430 | else | |
6431 | update_progress(info); | |
6432 | } | |
6433 | ||
6434 | /* | |
6435 | * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and | |
6436 | * updates the progress meter. | |
6437 | */ | |
6438 | static int | |
6439 | share_mount_one_cb(zfs_handle_t *zhp, void *arg) | |
6440 | { | |
6441 | share_mount_state_t *sms = arg; | |
6442 | int ret; | |
6443 | ||
6444 | ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto, | |
6445 | B_FALSE, sms->sm_options); | |
6446 | ||
6447 | pthread_mutex_lock(&sms->sm_lock); | |
6448 | if (ret != 0) | |
6449 | sms->sm_status = ret; | |
6450 | sms->sm_done++; | |
6451 | if (sms->sm_verbose) | |
6452 | report_mount_progress(sms->sm_done, sms->sm_total); | |
6453 | pthread_mutex_unlock(&sms->sm_lock); | |
6454 | return (ret); | |
6455 | } | |
6456 | ||
6457 | static void | |
6458 | append_options(char *mntopts, char *newopts) | |
6459 | { | |
6460 | int len = strlen(mntopts); | |
6461 | ||
6462 | /* original length plus new string to append plus 1 for the comma */ | |
6463 | if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) { | |
6464 | (void) fprintf(stderr, gettext("the opts argument for " | |
6465 | "'%s' option is too long (more than %d chars)\n"), | |
6466 | "-o", MNT_LINE_MAX); | |
6467 | usage(B_FALSE); | |
6468 | } | |
6469 | ||
6470 | if (*mntopts) | |
6471 | mntopts[len++] = ','; | |
6472 | ||
6473 | (void) strcpy(&mntopts[len], newopts); | |
6474 | } | |
6475 | ||
6476 | static int | |
6477 | share_mount(int op, int argc, char **argv) | |
6478 | { | |
6479 | int do_all = 0; | |
6480 | boolean_t verbose = B_FALSE; | |
6481 | int c, ret = 0; | |
6482 | char *options = NULL; | |
6483 | int flags = 0; | |
6484 | ||
6485 | /* check options */ | |
6486 | while ((c = getopt(argc, argv, op == OP_MOUNT ? ":alvo:O" : "al")) | |
6487 | != -1) { | |
6488 | switch (c) { | |
6489 | case 'a': | |
6490 | do_all = 1; | |
6491 | break; | |
6492 | case 'v': | |
6493 | verbose = B_TRUE; | |
6494 | break; | |
6495 | case 'l': | |
6496 | flags |= MS_CRYPT; | |
6497 | break; | |
6498 | case 'o': | |
6499 | if (*optarg == '\0') { | |
6500 | (void) fprintf(stderr, gettext("empty mount " | |
6501 | "options (-o) specified\n")); | |
6502 | usage(B_FALSE); | |
6503 | } | |
6504 | ||
6505 | if (options == NULL) | |
6506 | options = safe_malloc(MNT_LINE_MAX + 1); | |
6507 | ||
6508 | /* option validation is done later */ | |
6509 | append_options(options, optarg); | |
6510 | break; | |
6511 | case 'O': | |
6512 | flags |= MS_OVERLAY; | |
6513 | break; | |
6514 | case ':': | |
6515 | (void) fprintf(stderr, gettext("missing argument for " | |
6516 | "'%c' option\n"), optopt); | |
6517 | usage(B_FALSE); | |
6518 | break; | |
6519 | case '?': | |
6520 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
6521 | optopt); | |
6522 | usage(B_FALSE); | |
6523 | } | |
6524 | } | |
6525 | ||
6526 | argc -= optind; | |
6527 | argv += optind; | |
6528 | ||
6529 | /* check number of arguments */ | |
6530 | if (do_all) { | |
6531 | char *protocol = NULL; | |
6532 | ||
6533 | if (op == OP_SHARE && argc > 0) { | |
6534 | if (strcmp(argv[0], "nfs") != 0 && | |
6535 | strcmp(argv[0], "smb") != 0) { | |
6536 | (void) fprintf(stderr, gettext("share type " | |
6537 | "must be 'nfs' or 'smb'\n")); | |
6538 | usage(B_FALSE); | |
6539 | } | |
6540 | protocol = argv[0]; | |
6541 | argc--; | |
6542 | argv++; | |
6543 | } | |
6544 | ||
6545 | if (argc != 0) { | |
6546 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
6547 | usage(B_FALSE); | |
6548 | } | |
6549 | ||
6550 | start_progress_timer(); | |
6551 | get_all_cb_t cb = { 0 }; | |
6552 | get_all_datasets(&cb, verbose); | |
6553 | ||
6554 | if (cb.cb_used == 0) { | |
6555 | if (options != NULL) | |
6556 | free(options); | |
6557 | return (0); | |
6558 | } | |
6559 | ||
6560 | share_mount_state_t share_mount_state = { 0 }; | |
6561 | share_mount_state.sm_op = op; | |
6562 | share_mount_state.sm_verbose = verbose; | |
6563 | share_mount_state.sm_flags = flags; | |
6564 | share_mount_state.sm_options = options; | |
6565 | share_mount_state.sm_proto = protocol; | |
6566 | share_mount_state.sm_total = cb.cb_used; | |
6567 | pthread_mutex_init(&share_mount_state.sm_lock, NULL); | |
6568 | ||
6569 | /* | |
6570 | * libshare isn't mt-safe, so only do the operation in parallel | |
6571 | * if we're mounting. | |
6572 | */ | |
6573 | zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used, | |
6574 | share_mount_one_cb, &share_mount_state, op == OP_MOUNT); | |
6575 | ret = share_mount_state.sm_status; | |
6576 | ||
6577 | for (int i = 0; i < cb.cb_used; i++) | |
6578 | zfs_close(cb.cb_handles[i]); | |
6579 | free(cb.cb_handles); | |
6580 | } else if (argc == 0) { | |
6581 | struct mnttab entry; | |
6582 | ||
6583 | if ((op == OP_SHARE) || (options != NULL)) { | |
6584 | (void) fprintf(stderr, gettext("missing filesystem " | |
6585 | "argument (specify -a for all)\n")); | |
6586 | usage(B_FALSE); | |
6587 | } | |
6588 | ||
6589 | /* | |
6590 | * When mount is given no arguments, go through | |
6591 | * /proc/self/mounts and display any active ZFS mounts. | |
6592 | * We hide any snapshots, since they are controlled | |
6593 | * automatically. | |
6594 | */ | |
6595 | ||
6596 | /* Reopen MNTTAB to prevent reading stale data from open file */ | |
6597 | if (freopen(MNTTAB, "r", mnttab_file) == NULL) { | |
6598 | if (options != NULL) | |
6599 | free(options); | |
6600 | return (ENOENT); | |
6601 | } | |
6602 | ||
6603 | while (getmntent(mnttab_file, &entry) == 0) { | |
6604 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 || | |
6605 | strchr(entry.mnt_special, '@') != NULL) | |
6606 | continue; | |
6607 | ||
6608 | (void) printf("%-30s %s\n", entry.mnt_special, | |
6609 | entry.mnt_mountp); | |
6610 | } | |
6611 | ||
6612 | } else { | |
6613 | zfs_handle_t *zhp; | |
6614 | ||
6615 | if (argc > 1) { | |
6616 | (void) fprintf(stderr, | |
6617 | gettext("too many arguments\n")); | |
6618 | usage(B_FALSE); | |
6619 | } | |
6620 | ||
6621 | if ((zhp = zfs_open(g_zfs, argv[0], | |
6622 | ZFS_TYPE_FILESYSTEM)) == NULL) { | |
6623 | ret = 1; | |
6624 | } else { | |
6625 | ret = share_mount_one(zhp, op, flags, NULL, B_TRUE, | |
6626 | options); | |
6627 | zfs_close(zhp); | |
6628 | } | |
6629 | } | |
6630 | ||
6631 | if (options != NULL) | |
6632 | free(options); | |
6633 | ||
6634 | return (ret); | |
6635 | } | |
6636 | ||
6637 | /* | |
6638 | * zfs mount -a [nfs] | |
6639 | * zfs mount filesystem | |
6640 | * | |
6641 | * Mount all filesystems, or mount the given filesystem. | |
6642 | */ | |
6643 | static int | |
6644 | zfs_do_mount(int argc, char **argv) | |
6645 | { | |
6646 | return (share_mount(OP_MOUNT, argc, argv)); | |
6647 | } | |
6648 | ||
6649 | /* | |
6650 | * zfs share -a [nfs | smb] | |
6651 | * zfs share filesystem | |
6652 | * | |
6653 | * Share all filesystems, or share the given filesystem. | |
6654 | */ | |
6655 | static int | |
6656 | zfs_do_share(int argc, char **argv) | |
6657 | { | |
6658 | return (share_mount(OP_SHARE, argc, argv)); | |
6659 | } | |
6660 | ||
6661 | typedef struct unshare_unmount_node { | |
6662 | zfs_handle_t *un_zhp; | |
6663 | char *un_mountp; | |
6664 | uu_avl_node_t un_avlnode; | |
6665 | } unshare_unmount_node_t; | |
6666 | ||
6667 | /* ARGSUSED */ | |
6668 | static int | |
6669 | unshare_unmount_compare(const void *larg, const void *rarg, void *unused) | |
6670 | { | |
6671 | const unshare_unmount_node_t *l = larg; | |
6672 | const unshare_unmount_node_t *r = rarg; | |
6673 | ||
6674 | return (strcmp(l->un_mountp, r->un_mountp)); | |
6675 | } | |
6676 | ||
6677 | /* | |
6678 | * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an | |
6679 | * absolute path, find the entry /proc/self/mounts, verify that its a | |
6680 | * ZFS filesystems, and unmount it appropriately. | |
6681 | */ | |
6682 | static int | |
6683 | unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) | |
6684 | { | |
6685 | zfs_handle_t *zhp; | |
6686 | int ret = 0; | |
6687 | struct stat64 statbuf; | |
6688 | struct extmnttab entry; | |
6689 | const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount"; | |
6690 | ino_t path_inode; | |
6691 | ||
6692 | /* | |
6693 | * Search for the path in /proc/self/mounts. Rather than looking for the | |
6694 | * specific path, which can be fooled by non-standard paths (i.e. ".." | |
6695 | * or "//"), we stat() the path and search for the corresponding | |
6696 | * (major,minor) device pair. | |
6697 | */ | |
6698 | if (stat64(path, &statbuf) != 0) { | |
6699 | (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), | |
6700 | cmdname, path, strerror(errno)); | |
6701 | return (1); | |
6702 | } | |
6703 | path_inode = statbuf.st_ino; | |
6704 | ||
6705 | /* | |
6706 | * Search for the given (major,minor) pair in the mount table. | |
6707 | */ | |
6708 | ||
6709 | /* Reopen MNTTAB to prevent reading stale data from open file */ | |
6710 | if (freopen(MNTTAB, "r", mnttab_file) == NULL) | |
6711 | return (ENOENT); | |
6712 | ||
6713 | while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) { | |
6714 | if (entry.mnt_major == major(statbuf.st_dev) && | |
6715 | entry.mnt_minor == minor(statbuf.st_dev)) | |
6716 | break; | |
6717 | } | |
6718 | if (ret != 0) { | |
6719 | if (op == OP_SHARE) { | |
6720 | (void) fprintf(stderr, gettext("cannot %s '%s': not " | |
6721 | "currently mounted\n"), cmdname, path); | |
6722 | return (1); | |
6723 | } | |
6724 | (void) fprintf(stderr, gettext("warning: %s not in" | |
6725 | "/proc/self/mounts\n"), path); | |
6726 | if ((ret = umount2(path, flags)) != 0) | |
6727 | (void) fprintf(stderr, gettext("%s: %s\n"), path, | |
6728 | strerror(errno)); | |
6729 | return (ret != 0); | |
6730 | } | |
6731 | ||
6732 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { | |
6733 | (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS " | |
6734 | "filesystem\n"), cmdname, path); | |
6735 | return (1); | |
6736 | } | |
6737 | ||
6738 | if ((zhp = zfs_open(g_zfs, entry.mnt_special, | |
6739 | ZFS_TYPE_FILESYSTEM)) == NULL) | |
6740 | return (1); | |
6741 | ||
6742 | ret = 1; | |
6743 | if (stat64(entry.mnt_mountp, &statbuf) != 0) { | |
6744 | (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), | |
6745 | cmdname, path, strerror(errno)); | |
6746 | goto out; | |
6747 | } else if (statbuf.st_ino != path_inode) { | |
6748 | (void) fprintf(stderr, gettext("cannot " | |
6749 | "%s '%s': not a mountpoint\n"), cmdname, path); | |
6750 | goto out; | |
6751 | } | |
6752 | ||
6753 | if (op == OP_SHARE) { | |
6754 | char nfs_mnt_prop[ZFS_MAXPROPLEN]; | |
6755 | char smbshare_prop[ZFS_MAXPROPLEN]; | |
6756 | ||
6757 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop, | |
6758 | sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0); | |
6759 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop, | |
6760 | sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0); | |
6761 | ||
6762 | if (strcmp(nfs_mnt_prop, "off") == 0 && | |
6763 | strcmp(smbshare_prop, "off") == 0) { | |
6764 | (void) fprintf(stderr, gettext("cannot unshare " | |
6765 | "'%s': legacy share\n"), path); | |
6766 | (void) fprintf(stderr, gettext("use exportfs(8) " | |
6767 | "or smbcontrol(1) to unshare this filesystem\n")); | |
6768 | } else if (!zfs_is_shared(zhp)) { | |
6769 | (void) fprintf(stderr, gettext("cannot unshare '%s': " | |
6770 | "not currently shared\n"), path); | |
6771 | } else { | |
6772 | ret = zfs_unshareall_bypath(zhp, path); | |
6773 | } | |
6774 | } else { | |
6775 | char mtpt_prop[ZFS_MAXPROPLEN]; | |
6776 | ||
6777 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop, | |
6778 | sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0); | |
6779 | ||
6780 | if (is_manual) { | |
6781 | ret = zfs_unmount(zhp, NULL, flags); | |
6782 | } else if (strcmp(mtpt_prop, "legacy") == 0) { | |
6783 | (void) fprintf(stderr, gettext("cannot unmount " | |
6784 | "'%s': legacy mountpoint\n"), | |
6785 | zfs_get_name(zhp)); | |
6786 | (void) fprintf(stderr, gettext("use umount(8) " | |
6787 | "to unmount this filesystem\n")); | |
6788 | } else { | |
6789 | ret = zfs_unmountall(zhp, flags); | |
6790 | } | |
6791 | } | |
6792 | ||
6793 | out: | |
6794 | zfs_close(zhp); | |
6795 | ||
6796 | return (ret != 0); | |
6797 | } | |
6798 | ||
6799 | /* | |
6800 | * Generic callback for unsharing or unmounting a filesystem. | |
6801 | */ | |
6802 | static int | |
6803 | unshare_unmount(int op, int argc, char **argv) | |
6804 | { | |
6805 | int do_all = 0; | |
6806 | int flags = 0; | |
6807 | int ret = 0; | |
6808 | int c; | |
6809 | zfs_handle_t *zhp; | |
6810 | char nfs_mnt_prop[ZFS_MAXPROPLEN]; | |
6811 | char sharesmb[ZFS_MAXPROPLEN]; | |
6812 | ||
6813 | /* check options */ | |
6814 | while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "af")) != -1) { | |
6815 | switch (c) { | |
6816 | case 'a': | |
6817 | do_all = 1; | |
6818 | break; | |
6819 | case 'f': | |
6820 | flags = MS_FORCE; | |
6821 | break; | |
6822 | case ':': | |
6823 | (void) fprintf(stderr, gettext("missing argument for " | |
6824 | "'%c' option\n"), optopt); | |
6825 | usage(B_FALSE); | |
6826 | break; | |
6827 | case '?': | |
6828 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
6829 | optopt); | |
6830 | usage(B_FALSE); | |
6831 | } | |
6832 | } | |
6833 | ||
6834 | argc -= optind; | |
6835 | argv += optind; | |
6836 | ||
6837 | if (do_all) { | |
6838 | /* | |
6839 | * We could make use of zfs_for_each() to walk all datasets in | |
6840 | * the system, but this would be very inefficient, especially | |
6841 | * since we would have to linearly search /proc/self/mounts for | |
6842 | * each one. Instead, do one pass through /proc/self/mounts | |
6843 | * looking for zfs entries and call zfs_unmount() for each one. | |
6844 | * | |
6845 | * Things get a little tricky if the administrator has created | |
6846 | * mountpoints beneath other ZFS filesystems. In this case, we | |
6847 | * have to unmount the deepest filesystems first. To accomplish | |
6848 | * this, we place all the mountpoints in an AVL tree sorted by | |
6849 | * the special type (dataset name), and walk the result in | |
6850 | * reverse to make sure to get any snapshots first. | |
6851 | */ | |
6852 | struct mnttab entry; | |
6853 | uu_avl_pool_t *pool; | |
6854 | uu_avl_t *tree = NULL; | |
6855 | unshare_unmount_node_t *node; | |
6856 | uu_avl_index_t idx; | |
6857 | uu_avl_walk_t *walk; | |
6858 | char *protocol = NULL; | |
6859 | ||
6860 | if (op == OP_SHARE && argc > 0) { | |
6861 | if (strcmp(argv[0], "nfs") != 0 && | |
6862 | strcmp(argv[0], "smb") != 0) { | |
6863 | (void) fprintf(stderr, gettext("share type " | |
6864 | "must be 'nfs' or 'smb'\n")); | |
6865 | usage(B_FALSE); | |
6866 | } | |
6867 | protocol = argv[0]; | |
6868 | argc--; | |
6869 | argv++; | |
6870 | } | |
6871 | ||
6872 | if (argc != 0) { | |
6873 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
6874 | usage(B_FALSE); | |
6875 | } | |
6876 | ||
6877 | if (((pool = uu_avl_pool_create("unmount_pool", | |
6878 | sizeof (unshare_unmount_node_t), | |
6879 | offsetof(unshare_unmount_node_t, un_avlnode), | |
6880 | unshare_unmount_compare, UU_DEFAULT)) == NULL) || | |
6881 | ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL)) | |
6882 | nomem(); | |
6883 | ||
6884 | /* Reopen MNTTAB to prevent reading stale data from open file */ | |
6885 | if (freopen(MNTTAB, "r", mnttab_file) == NULL) | |
6886 | return (ENOENT); | |
6887 | ||
6888 | while (getmntent(mnttab_file, &entry) == 0) { | |
6889 | ||
6890 | /* ignore non-ZFS entries */ | |
6891 | if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) | |
6892 | continue; | |
6893 | ||
6894 | /* ignore snapshots */ | |
6895 | if (strchr(entry.mnt_special, '@') != NULL) | |
6896 | continue; | |
6897 | ||
6898 | if ((zhp = zfs_open(g_zfs, entry.mnt_special, | |
6899 | ZFS_TYPE_FILESYSTEM)) == NULL) { | |
6900 | ret = 1; | |
6901 | continue; | |
6902 | } | |
6903 | ||
6904 | /* | |
6905 | * Ignore datasets that are excluded/restricted by | |
6906 | * parent pool name. | |
6907 | */ | |
6908 | if (zpool_skip_pool(zfs_get_pool_name(zhp))) { | |
6909 | zfs_close(zhp); | |
6910 | continue; | |
6911 | } | |
6912 | ||
6913 | switch (op) { | |
6914 | case OP_SHARE: | |
6915 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, | |
6916 | nfs_mnt_prop, | |
6917 | sizeof (nfs_mnt_prop), | |
6918 | NULL, NULL, 0, B_FALSE) == 0); | |
6919 | if (strcmp(nfs_mnt_prop, "off") != 0) | |
6920 | break; | |
6921 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, | |
6922 | nfs_mnt_prop, | |
6923 | sizeof (nfs_mnt_prop), | |
6924 | NULL, NULL, 0, B_FALSE) == 0); | |
6925 | if (strcmp(nfs_mnt_prop, "off") == 0) | |
6926 | continue; | |
6927 | break; | |
6928 | case OP_MOUNT: | |
6929 | /* Ignore legacy mounts */ | |
6930 | verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, | |
6931 | nfs_mnt_prop, | |
6932 | sizeof (nfs_mnt_prop), | |
6933 | NULL, NULL, 0, B_FALSE) == 0); | |
6934 | if (strcmp(nfs_mnt_prop, "legacy") == 0) | |
6935 | continue; | |
6936 | /* Ignore canmount=noauto mounts */ | |
6937 | if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == | |
6938 | ZFS_CANMOUNT_NOAUTO) | |
6939 | continue; | |
6940 | default: | |
6941 | break; | |
6942 | } | |
6943 | ||
6944 | node = safe_malloc(sizeof (unshare_unmount_node_t)); | |
6945 | node->un_zhp = zhp; | |
6946 | node->un_mountp = safe_strdup(entry.mnt_mountp); | |
6947 | ||
6948 | uu_avl_node_init(node, &node->un_avlnode, pool); | |
6949 | ||
6950 | if (uu_avl_find(tree, node, NULL, &idx) == NULL) { | |
6951 | uu_avl_insert(tree, node, idx); | |
6952 | } else { | |
6953 | zfs_close(node->un_zhp); | |
6954 | free(node->un_mountp); | |
6955 | free(node); | |
6956 | } | |
6957 | } | |
6958 | ||
6959 | /* | |
6960 | * Walk the AVL tree in reverse, unmounting each filesystem and | |
6961 | * removing it from the AVL tree in the process. | |
6962 | */ | |
6963 | if ((walk = uu_avl_walk_start(tree, | |
6964 | UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL) | |
6965 | nomem(); | |
6966 | ||
6967 | while ((node = uu_avl_walk_next(walk)) != NULL) { | |
6968 | uu_avl_remove(tree, node); | |
6969 | ||
6970 | switch (op) { | |
6971 | case OP_SHARE: | |
6972 | if (zfs_unshareall_bytype(node->un_zhp, | |
6973 | node->un_mountp, protocol) != 0) | |
6974 | ret = 1; | |
6975 | break; | |
6976 | ||
6977 | case OP_MOUNT: | |
6978 | if (zfs_unmount(node->un_zhp, | |
6979 | node->un_zhp->zfs_name, flags) != 0) | |
6980 | ret = 1; | |
6981 | break; | |
6982 | } | |
6983 | ||
6984 | zfs_close(node->un_zhp); | |
6985 | free(node->un_mountp); | |
6986 | free(node); | |
6987 | } | |
6988 | ||
6989 | uu_avl_walk_end(walk); | |
6990 | uu_avl_destroy(tree); | |
6991 | uu_avl_pool_destroy(pool); | |
6992 | ||
6993 | } else { | |
6994 | if (argc != 1) { | |
6995 | if (argc == 0) | |
6996 | (void) fprintf(stderr, | |
6997 | gettext("missing filesystem argument\n")); | |
6998 | else | |
6999 | (void) fprintf(stderr, | |
7000 | gettext("too many arguments\n")); | |
7001 | usage(B_FALSE); | |
7002 | } | |
7003 | ||
7004 | /* | |
7005 | * We have an argument, but it may be a full path or a ZFS | |
7006 | * filesystem. Pass full paths off to unmount_path() (shared by | |
7007 | * manual_unmount), otherwise open the filesystem and pass to | |
7008 | * zfs_unmount(). | |
7009 | */ | |
7010 | if (argv[0][0] == '/') | |
7011 | return (unshare_unmount_path(op, argv[0], | |
7012 | flags, B_FALSE)); | |
7013 | ||
7014 | if ((zhp = zfs_open(g_zfs, argv[0], | |
7015 | ZFS_TYPE_FILESYSTEM)) == NULL) | |
7016 | return (1); | |
7017 | ||
7018 | verify(zfs_prop_get(zhp, op == OP_SHARE ? | |
7019 | ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT, | |
7020 | nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL, | |
7021 | NULL, 0, B_FALSE) == 0); | |
7022 | ||
7023 | switch (op) { | |
7024 | case OP_SHARE: | |
7025 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, | |
7026 | nfs_mnt_prop, | |
7027 | sizeof (nfs_mnt_prop), | |
7028 | NULL, NULL, 0, B_FALSE) == 0); | |
7029 | verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, | |
7030 | sharesmb, sizeof (sharesmb), NULL, NULL, | |
7031 | 0, B_FALSE) == 0); | |
7032 | ||
7033 | if (strcmp(nfs_mnt_prop, "off") == 0 && | |
7034 | strcmp(sharesmb, "off") == 0) { | |
7035 | (void) fprintf(stderr, gettext("cannot " | |
7036 | "unshare '%s': legacy share\n"), | |
7037 | zfs_get_name(zhp)); | |
7038 | (void) fprintf(stderr, gettext("use " | |
7039 | "unshare(1M) to unshare this " | |
7040 | "filesystem\n")); | |
7041 | ret = 1; | |
7042 | } else if (!zfs_is_shared(zhp)) { | |
7043 | (void) fprintf(stderr, gettext("cannot " | |
7044 | "unshare '%s': not currently " | |
7045 | "shared\n"), zfs_get_name(zhp)); | |
7046 | ret = 1; | |
7047 | } else if (zfs_unshareall(zhp) != 0) { | |
7048 | ret = 1; | |
7049 | } | |
7050 | break; | |
7051 | ||
7052 | case OP_MOUNT: | |
7053 | if (strcmp(nfs_mnt_prop, "legacy") == 0) { | |
7054 | (void) fprintf(stderr, gettext("cannot " | |
7055 | "unmount '%s': legacy " | |
7056 | "mountpoint\n"), zfs_get_name(zhp)); | |
7057 | (void) fprintf(stderr, gettext("use " | |
7058 | "umount(1M) to unmount this " | |
7059 | "filesystem\n")); | |
7060 | ret = 1; | |
7061 | } else if (!zfs_is_mounted(zhp, NULL)) { | |
7062 | (void) fprintf(stderr, gettext("cannot " | |
7063 | "unmount '%s': not currently " | |
7064 | "mounted\n"), | |
7065 | zfs_get_name(zhp)); | |
7066 | ret = 1; | |
7067 | } else if (zfs_unmountall(zhp, flags) != 0) { | |
7068 | ret = 1; | |
7069 | } | |
7070 | break; | |
7071 | } | |
7072 | ||
7073 | zfs_close(zhp); | |
7074 | } | |
7075 | ||
7076 | return (ret); | |
7077 | } | |
7078 | ||
7079 | /* | |
7080 | * zfs unmount -a | |
7081 | * zfs unmount filesystem | |
7082 | * | |
7083 | * Unmount all filesystems, or a specific ZFS filesystem. | |
7084 | */ | |
7085 | static int | |
7086 | zfs_do_unmount(int argc, char **argv) | |
7087 | { | |
7088 | return (unshare_unmount(OP_MOUNT, argc, argv)); | |
7089 | } | |
7090 | ||
7091 | /* | |
7092 | * zfs unshare -a | |
7093 | * zfs unshare filesystem | |
7094 | * | |
7095 | * Unshare all filesystems, or a specific ZFS filesystem. | |
7096 | */ | |
7097 | static int | |
7098 | zfs_do_unshare(int argc, char **argv) | |
7099 | { | |
7100 | return (unshare_unmount(OP_SHARE, argc, argv)); | |
7101 | } | |
7102 | ||
7103 | static int | |
7104 | disable_command_idx(char *command) | |
7105 | { | |
7106 | for (int i = 0; i < NCOMMAND; i++) { | |
7107 | if (command_table[i].name == NULL) | |
7108 | continue; | |
7109 | ||
7110 | if (strcmp(command, command_table[i].name) == 0) { | |
7111 | command_table[i].name = NULL; | |
7112 | return (0); | |
7113 | } | |
7114 | } | |
7115 | return (1); | |
7116 | } | |
7117 | ||
7118 | static int | |
7119 | find_command_idx(char *command, int *idx) | |
7120 | { | |
7121 | int i; | |
7122 | ||
7123 | for (i = 0; i < NCOMMAND; i++) { | |
7124 | if (command_table[i].name == NULL) | |
7125 | continue; | |
7126 | ||
7127 | if (strcmp(command, command_table[i].name) == 0) { | |
7128 | *idx = i; | |
7129 | return (0); | |
7130 | } | |
7131 | } | |
7132 | return (1); | |
7133 | } | |
7134 | ||
7135 | static int | |
7136 | zfs_do_diff(int argc, char **argv) | |
7137 | { | |
7138 | zfs_handle_t *zhp; | |
7139 | int flags = 0; | |
7140 | char *tosnap = NULL; | |
7141 | char *fromsnap = NULL; | |
7142 | char *atp, *copy; | |
7143 | int err = 0; | |
7144 | int c; | |
7145 | ||
7146 | while ((c = getopt(argc, argv, "FHt")) != -1) { | |
7147 | switch (c) { | |
7148 | case 'F': | |
7149 | flags |= ZFS_DIFF_CLASSIFY; | |
7150 | break; | |
7151 | case 'H': | |
7152 | flags |= ZFS_DIFF_PARSEABLE; | |
7153 | break; | |
7154 | case 't': | |
7155 | flags |= ZFS_DIFF_TIMESTAMP; | |
7156 | break; | |
7157 | default: | |
7158 | (void) fprintf(stderr, | |
7159 | gettext("invalid option '%c'\n"), optopt); | |
7160 | usage(B_FALSE); | |
7161 | } | |
7162 | } | |
7163 | ||
7164 | argc -= optind; | |
7165 | argv += optind; | |
7166 | ||
7167 | if (argc < 1) { | |
7168 | (void) fprintf(stderr, | |
7169 | gettext("must provide at least one snapshot name\n")); | |
7170 | usage(B_FALSE); | |
7171 | } | |
7172 | ||
7173 | if (argc > 2) { | |
7174 | (void) fprintf(stderr, gettext("too many arguments\n")); | |
7175 | usage(B_FALSE); | |
7176 | } | |
7177 | ||
7178 | fromsnap = argv[0]; | |
7179 | tosnap = (argc == 2) ? argv[1] : NULL; | |
7180 | ||
7181 | copy = NULL; | |
7182 | if (*fromsnap != '@') | |
7183 | copy = strdup(fromsnap); | |
7184 | else if (tosnap) | |
7185 | copy = strdup(tosnap); | |
7186 | if (copy == NULL) | |
7187 | usage(B_FALSE); | |
7188 | ||
7189 | if ((atp = strchr(copy, '@')) != NULL) | |
7190 | *atp = '\0'; | |
7191 | ||
7192 | if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) { | |
7193 | free(copy); | |
7194 | return (1); | |
7195 | } | |
7196 | free(copy); | |
7197 | ||
7198 | /* | |
7199 | * Ignore SIGPIPE so that the library can give us | |
7200 | * information on any failure | |
7201 | */ | |
7202 | (void) sigignore(SIGPIPE); | |
7203 | ||
7204 | err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags); | |
7205 | ||
7206 | zfs_close(zhp); | |
7207 | ||
7208 | return (err != 0); | |
7209 | } | |
7210 | ||
7211 | ||
7212 | /* | |
7213 | * zfs remap <filesystem | volume> | |
7214 | * | |
7215 | * N.B. The remap command has been disabled and may be removed in the future. | |
7216 | * | |
7217 | * Remap the indirect blocks in the given filesystem or volume so that they no | |
7218 | * longer reference blocks on previously removed vdevs and we can eventually | |
7219 | * shrink the size of the indirect mapping objects for the previously removed | |
7220 | * vdevs. Note that remapping all blocks might not be possible and that | |
7221 | * references from snapshots will still exist and cannot be remapped. | |
7222 | * | |
7223 | * This functionality is no longer particularly useful now that the removal | |
7224 | * code can map large chunks. Furthermore, explaining what this command | |
7225 | * does and why it may be useful requires a detailed understanding of the | |
7226 | * internals of device removal. These are details users should not be | |
7227 | * bothered with. If required, the remap command can be re-enabled by | |
7228 | * setting the ZFS_REMAP_ENABLED environment variable. | |
7229 | * | |
7230 | * > ZFS_REMAP_ENABLED=yes zfs remap <filesystem | volume> | |
7231 | */ | |
7232 | static int | |
7233 | zfs_do_remap(int argc, char **argv) | |
7234 | { | |
7235 | const char *fsname; | |
7236 | int err = 0; | |
7237 | int c; | |
7238 | ||
7239 | /* check options */ | |
7240 | while ((c = getopt(argc, argv, "")) != -1) { | |
7241 | switch (c) { | |
7242 | case '?': | |
7243 | (void) fprintf(stderr, | |
7244 | gettext("invalid option '%c'\n"), optopt); | |
7245 | usage(B_FALSE); | |
7246 | } | |
7247 | } | |
7248 | ||
7249 | if (argc != 2) { | |
7250 | (void) fprintf(stderr, gettext("wrong number of arguments\n")); | |
7251 | usage(B_FALSE); | |
7252 | } | |
7253 | ||
7254 | fsname = argv[1]; | |
7255 | err = zfs_remap_indirects(g_zfs, fsname); | |
7256 | ||
7257 | return (err); | |
7258 | } | |
7259 | ||
7260 | /* | |
7261 | * zfs bookmark <fs@snap> <fs#bmark> | |
7262 | * | |
7263 | * Creates a bookmark with the given name from the given snapshot. | |
7264 | */ | |
7265 | static int | |
7266 | zfs_do_bookmark(int argc, char **argv) | |
7267 | { | |
7268 | char snapname[ZFS_MAX_DATASET_NAME_LEN]; | |
7269 | char bookname[ZFS_MAX_DATASET_NAME_LEN]; | |
7270 | zfs_handle_t *zhp; | |
7271 | nvlist_t *nvl; | |
7272 | int ret = 0; | |
7273 | int c; | |
7274 | ||
7275 | /* check options */ | |
7276 | while ((c = getopt(argc, argv, "")) != -1) { | |
7277 | switch (c) { | |
7278 | case '?': | |
7279 | (void) fprintf(stderr, | |
7280 | gettext("invalid option '%c'\n"), optopt); | |
7281 | goto usage; | |
7282 | } | |
7283 | } | |
7284 | ||
7285 | argc -= optind; | |
7286 | argv += optind; | |
7287 | ||
7288 | /* check number of arguments */ | |
7289 | if (argc < 1) { | |
7290 | (void) fprintf(stderr, gettext("missing snapshot argument\n")); | |
7291 | goto usage; | |
7292 | } | |
7293 | if (argc < 2) { | |
7294 | (void) fprintf(stderr, gettext("missing bookmark argument\n")); | |
7295 | goto usage; | |
7296 | } | |
7297 | ||
7298 | if (strchr(argv[0], '@') == NULL) { | |
7299 | (void) fprintf(stderr, | |
7300 | gettext("invalid snapshot name '%s': " | |
7301 | "must contain a '@'\n"), argv[0]); | |
7302 | goto usage; | |
7303 | } | |
7304 | if (strchr(argv[1], '#') == NULL) { | |
7305 | (void) fprintf(stderr, | |
7306 | gettext("invalid bookmark name '%s': " | |
7307 | "must contain a '#'\n"), argv[1]); | |
7308 | goto usage; | |
7309 | } | |
7310 | ||
7311 | if (argv[0][0] == '@') { | |
7312 | /* | |
7313 | * Snapshot name begins with @. | |
7314 | * Default to same fs as bookmark. | |
7315 | */ | |
7316 | (void) strlcpy(snapname, argv[1], sizeof (snapname)); | |
7317 | *strchr(snapname, '#') = '\0'; | |
7318 | (void) strlcat(snapname, argv[0], sizeof (snapname)); | |
7319 | } else { | |
7320 | (void) strlcpy(snapname, argv[0], sizeof (snapname)); | |
7321 | } | |
7322 | if (argv[1][0] == '#') { | |
7323 | /* | |
7324 | * Bookmark name begins with #. | |
7325 | * Default to same fs as snapshot. | |
7326 | */ | |
7327 | (void) strlcpy(bookname, argv[0], sizeof (bookname)); | |
7328 | *strchr(bookname, '@') = '\0'; | |
7329 | (void) strlcat(bookname, argv[1], sizeof (bookname)); | |
7330 | } else { | |
7331 | (void) strlcpy(bookname, argv[1], sizeof (bookname)); | |
7332 | } | |
7333 | ||
7334 | zhp = zfs_open(g_zfs, snapname, ZFS_TYPE_SNAPSHOT); | |
7335 | if (zhp == NULL) | |
7336 | goto usage; | |
7337 | zfs_close(zhp); | |
7338 | ||
7339 | ||
7340 | nvl = fnvlist_alloc(); | |
7341 | fnvlist_add_string(nvl, bookname, snapname); | |
7342 | ret = lzc_bookmark(nvl, NULL); | |
7343 | fnvlist_free(nvl); | |
7344 | ||
7345 | if (ret != 0) { | |
7346 | const char *err_msg = NULL; | |
7347 | char errbuf[1024]; | |
7348 | ||
7349 | (void) snprintf(errbuf, sizeof (errbuf), | |
7350 | dgettext(TEXT_DOMAIN, | |
7351 | "cannot create bookmark '%s'"), bookname); | |
7352 | ||
7353 | switch (ret) { | |
7354 | case EXDEV: | |
7355 | err_msg = "bookmark is in a different pool"; | |
7356 | break; | |
7357 | case EEXIST: | |
7358 | err_msg = "bookmark exists"; | |
7359 | break; | |
7360 | case EINVAL: | |
7361 | err_msg = "invalid argument"; | |
7362 | break; | |
7363 | case ENOTSUP: | |
7364 | err_msg = "bookmark feature not enabled"; | |
7365 | break; | |
7366 | case ENOSPC: | |
7367 | err_msg = "out of space"; | |
7368 | break; | |
7369 | case ENOENT: | |
7370 | err_msg = "dataset does not exist"; | |
7371 | break; | |
7372 | default: | |
7373 | (void) zfs_standard_error(g_zfs, ret, errbuf); | |
7374 | break; | |
7375 | } | |
7376 | if (err_msg != NULL) { | |
7377 | (void) fprintf(stderr, "%s: %s\n", errbuf, | |
7378 | dgettext(TEXT_DOMAIN, err_msg)); | |
7379 | } | |
7380 | } | |
7381 | ||
7382 | return (ret != 0); | |
7383 | ||
7384 | usage: | |
7385 | usage(B_FALSE); | |
7386 | return (-1); | |
7387 | } | |
7388 | ||
7389 | static int | |
7390 | zfs_do_channel_program(int argc, char **argv) | |
7391 | { | |
7392 | int ret, fd, c; | |
7393 | char *progbuf, *filename, *poolname; | |
7394 | size_t progsize, progread; | |
7395 | nvlist_t *outnvl = NULL; | |
7396 | uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT; | |
7397 | uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT; | |
7398 | boolean_t sync_flag = B_TRUE, json_output = B_FALSE; | |
7399 | zpool_handle_t *zhp; | |
7400 | ||
7401 | /* check options */ | |
7402 | while ((c = getopt(argc, argv, "nt:m:j")) != -1) { | |
7403 | switch (c) { | |
7404 | case 't': | |
7405 | case 'm': { | |
7406 | uint64_t arg; | |
7407 | char *endp; | |
7408 | ||
7409 | errno = 0; | |
7410 | arg = strtoull(optarg, &endp, 0); | |
7411 | if (errno != 0 || *endp != '\0') { | |
7412 | (void) fprintf(stderr, gettext( | |
7413 | "invalid argument " | |
7414 | "'%s': expected integer\n"), optarg); | |
7415 | goto usage; | |
7416 | } | |
7417 | ||
7418 | if (c == 't') { | |
7419 | instrlimit = arg; | |
7420 | } else { | |
7421 | ASSERT3U(c, ==, 'm'); | |
7422 | memlimit = arg; | |
7423 | } | |
7424 | break; | |
7425 | } | |
7426 | case 'n': { | |
7427 | sync_flag = B_FALSE; | |
7428 | break; | |
7429 | } | |
7430 | case 'j': { | |
7431 | json_output = B_TRUE; | |
7432 | break; | |
7433 | } | |
7434 | case '?': | |
7435 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
7436 | optopt); | |
7437 | goto usage; | |
7438 | } | |
7439 | } | |
7440 | ||
7441 | argc -= optind; | |
7442 | argv += optind; | |
7443 | ||
7444 | if (argc < 2) { | |
7445 | (void) fprintf(stderr, | |
7446 | gettext("invalid number of arguments\n")); | |
7447 | goto usage; | |
7448 | } | |
7449 | ||
7450 | poolname = argv[0]; | |
7451 | filename = argv[1]; | |
7452 | if (strcmp(filename, "-") == 0) { | |
7453 | fd = 0; | |
7454 | filename = "standard input"; | |
7455 | } else if ((fd = open(filename, O_RDONLY)) < 0) { | |
7456 | (void) fprintf(stderr, gettext("cannot open '%s': %s\n"), | |
7457 | filename, strerror(errno)); | |
7458 | return (1); | |
7459 | } | |
7460 | ||
7461 | if ((zhp = zpool_open(g_zfs, poolname)) == NULL) { | |
7462 | (void) fprintf(stderr, gettext("cannot open pool '%s'"), | |
7463 | poolname); | |
7464 | if (fd != 0) | |
7465 | (void) close(fd); | |
7466 | return (1); | |
7467 | } | |
7468 | zpool_close(zhp); | |
7469 | ||
7470 | /* | |
7471 | * Read in the channel program, expanding the program buffer as | |
7472 | * necessary. | |
7473 | */ | |
7474 | progread = 0; | |
7475 | progsize = 1024; | |
7476 | progbuf = safe_malloc(progsize); | |
7477 | do { | |
7478 | ret = read(fd, progbuf + progread, progsize - progread); | |
7479 | progread += ret; | |
7480 | if (progread == progsize && ret > 0) { | |
7481 | progsize *= 2; | |
7482 | progbuf = safe_realloc(progbuf, progsize); | |
7483 | } | |
7484 | } while (ret > 0); | |
7485 | ||
7486 | if (fd != 0) | |
7487 | (void) close(fd); | |
7488 | if (ret < 0) { | |
7489 | free(progbuf); | |
7490 | (void) fprintf(stderr, | |
7491 | gettext("cannot read '%s': %s\n"), | |
7492 | filename, strerror(errno)); | |
7493 | return (1); | |
7494 | } | |
7495 | progbuf[progread] = '\0'; | |
7496 | ||
7497 | /* | |
7498 | * Any remaining arguments are passed as arguments to the lua script as | |
7499 | * a string array: | |
7500 | * { | |
7501 | * "argv" -> [ "arg 1", ... "arg n" ], | |
7502 | * } | |
7503 | */ | |
7504 | nvlist_t *argnvl = fnvlist_alloc(); | |
7505 | fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV, argv + 2, argc - 2); | |
7506 | ||
7507 | if (sync_flag) { | |
7508 | ret = lzc_channel_program(poolname, progbuf, | |
7509 | instrlimit, memlimit, argnvl, &outnvl); | |
7510 | } else { | |
7511 | ret = lzc_channel_program_nosync(poolname, progbuf, | |
7512 | instrlimit, memlimit, argnvl, &outnvl); | |
7513 | } | |
7514 | ||
7515 | if (ret != 0) { | |
7516 | /* | |
7517 | * On error, report the error message handed back by lua if one | |
7518 | * exists. Otherwise, generate an appropriate error message, | |
7519 | * falling back on strerror() for an unexpected return code. | |
7520 | */ | |
7521 | char *errstring = NULL; | |
7522 | const char *msg = gettext("Channel program execution failed"); | |
7523 | uint64_t instructions = 0; | |
7524 | if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) { | |
7525 | (void) nvlist_lookup_string(outnvl, | |
7526 | ZCP_RET_ERROR, &errstring); | |
7527 | if (errstring == NULL) | |
7528 | errstring = strerror(ret); | |
7529 | if (ret == ETIME) { | |
7530 | (void) nvlist_lookup_uint64(outnvl, | |
7531 | ZCP_ARG_INSTRLIMIT, &instructions); | |
7532 | } | |
7533 | } else { | |
7534 | switch (ret) { | |
7535 | case EINVAL: | |
7536 | errstring = | |
7537 | "Invalid instruction or memory limit."; | |
7538 | break; | |
7539 | case ENOMEM: | |
7540 | errstring = "Return value too large."; | |
7541 | break; | |
7542 | case ENOSPC: | |
7543 | errstring = "Memory limit exhausted."; | |
7544 | break; | |
7545 | case ETIME: | |
7546 | errstring = "Timed out."; | |
7547 | break; | |
7548 | case EPERM: | |
7549 | errstring = "Permission denied. Channel " | |
7550 | "programs must be run as root."; | |
7551 | break; | |
7552 | default: | |
7553 | (void) zfs_standard_error(g_zfs, ret, msg); | |
7554 | } | |
7555 | } | |
7556 | if (errstring != NULL) | |
7557 | (void) fprintf(stderr, "%s:\n%s\n", msg, errstring); | |
7558 | ||
7559 | if (ret == ETIME && instructions != 0) | |
7560 | (void) fprintf(stderr, | |
7561 | gettext("%llu Lua instructions\n"), | |
7562 | (u_longlong_t)instructions); | |
7563 | } else { | |
7564 | if (json_output) { | |
7565 | (void) nvlist_print_json(stdout, outnvl); | |
7566 | } else if (nvlist_empty(outnvl)) { | |
7567 | (void) fprintf(stdout, gettext("Channel program fully " | |
7568 | "executed and did not produce output.\n")); | |
7569 | } else { | |
7570 | (void) fprintf(stdout, gettext("Channel program fully " | |
7571 | "executed and produced output:\n")); | |
7572 | dump_nvlist(outnvl, 4); | |
7573 | } | |
7574 | } | |
7575 | ||
7576 | free(progbuf); | |
7577 | fnvlist_free(outnvl); | |
7578 | fnvlist_free(argnvl); | |
7579 | return (ret != 0); | |
7580 | ||
7581 | usage: | |
7582 | usage(B_FALSE); | |
7583 | return (-1); | |
7584 | } | |
7585 | ||
7586 | ||
7587 | typedef struct loadkey_cbdata { | |
7588 | boolean_t cb_loadkey; | |
7589 | boolean_t cb_recursive; | |
7590 | boolean_t cb_noop; | |
7591 | char *cb_keylocation; | |
7592 | uint64_t cb_numfailed; | |
7593 | uint64_t cb_numattempted; | |
7594 | } loadkey_cbdata_t; | |
7595 | ||
7596 | static int | |
7597 | load_key_callback(zfs_handle_t *zhp, void *data) | |
7598 | { | |
7599 | int ret; | |
7600 | boolean_t is_encroot; | |
7601 | loadkey_cbdata_t *cb = data; | |
7602 | uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); | |
7603 | ||
7604 | /* | |
7605 | * If we are working recursively, we want to skip loading / unloading | |
7606 | * keys for non-encryption roots and datasets whose keys are already | |
7607 | * in the desired end-state. | |
7608 | */ | |
7609 | if (cb->cb_recursive) { | |
7610 | ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL); | |
7611 | if (ret != 0) | |
7612 | return (ret); | |
7613 | if (!is_encroot) | |
7614 | return (0); | |
7615 | ||
7616 | if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) || | |
7617 | (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE)) | |
7618 | return (0); | |
7619 | } | |
7620 | ||
7621 | cb->cb_numattempted++; | |
7622 | ||
7623 | if (cb->cb_loadkey) | |
7624 | ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation); | |
7625 | else | |
7626 | ret = zfs_crypto_unload_key(zhp); | |
7627 | ||
7628 | if (ret != 0) { | |
7629 | cb->cb_numfailed++; | |
7630 | return (ret); | |
7631 | } | |
7632 | ||
7633 | return (0); | |
7634 | } | |
7635 | ||
7636 | static int | |
7637 | load_unload_keys(int argc, char **argv, boolean_t loadkey) | |
7638 | { | |
7639 | int c, ret = 0, flags = 0; | |
7640 | boolean_t do_all = B_FALSE; | |
7641 | loadkey_cbdata_t cb = { 0 }; | |
7642 | ||
7643 | cb.cb_loadkey = loadkey; | |
7644 | ||
7645 | while ((c = getopt(argc, argv, "anrL:")) != -1) { | |
7646 | /* noop and alternate keylocations only apply to zfs load-key */ | |
7647 | if (loadkey) { | |
7648 | switch (c) { | |
7649 | case 'n': | |
7650 | cb.cb_noop = B_TRUE; | |
7651 | continue; | |
7652 | case 'L': | |
7653 | cb.cb_keylocation = optarg; | |
7654 | continue; | |
7655 | default: | |
7656 | break; | |
7657 | } | |
7658 | } | |
7659 | ||
7660 | switch (c) { | |
7661 | case 'a': | |
7662 | do_all = B_TRUE; | |
7663 | cb.cb_recursive = B_TRUE; | |
7664 | break; | |
7665 | case 'r': | |
7666 | flags |= ZFS_ITER_RECURSE; | |
7667 | cb.cb_recursive = B_TRUE; | |
7668 | break; | |
7669 | default: | |
7670 | (void) fprintf(stderr, | |
7671 | gettext("invalid option '%c'\n"), optopt); | |
7672 | usage(B_FALSE); | |
7673 | } | |
7674 | } | |
7675 | ||
7676 | argc -= optind; | |
7677 | argv += optind; | |
7678 | ||
7679 | if (!do_all && argc == 0) { | |
7680 | (void) fprintf(stderr, | |
7681 | gettext("Missing dataset argument or -a option\n")); | |
7682 | usage(B_FALSE); | |
7683 | } | |
7684 | ||
7685 | if (do_all && argc != 0) { | |
7686 | (void) fprintf(stderr, | |
7687 | gettext("Cannot specify dataset with -a option\n")); | |
7688 | usage(B_FALSE); | |
7689 | } | |
7690 | ||
7691 | if (cb.cb_recursive && cb.cb_keylocation != NULL && | |
7692 | strcmp(cb.cb_keylocation, "prompt") != 0) { | |
7693 | (void) fprintf(stderr, gettext("alternate keylocation may only " | |
7694 | "be 'prompt' with -r or -a\n")); | |
7695 | usage(B_FALSE); | |
7696 | } | |
7697 | ||
7698 | ret = zfs_for_each(argc, argv, flags, | |
7699 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0, | |
7700 | load_key_callback, &cb); | |
7701 | ||
7702 | if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) { | |
7703 | (void) printf(gettext("%llu / %llu key(s) successfully %s\n"), | |
7704 | (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed), | |
7705 | (u_longlong_t)cb.cb_numattempted, | |
7706 | loadkey ? (cb.cb_noop ? "verified" : "loaded") : | |
7707 | "unloaded"); | |
7708 | } | |
7709 | ||
7710 | if (cb.cb_numfailed != 0) | |
7711 | ret = -1; | |
7712 | ||
7713 | return (ret); | |
7714 | } | |
7715 | ||
7716 | static int | |
7717 | zfs_do_load_key(int argc, char **argv) | |
7718 | { | |
7719 | return (load_unload_keys(argc, argv, B_TRUE)); | |
7720 | } | |
7721 | ||
7722 | ||
7723 | static int | |
7724 | zfs_do_unload_key(int argc, char **argv) | |
7725 | { | |
7726 | return (load_unload_keys(argc, argv, B_FALSE)); | |
7727 | } | |
7728 | ||
7729 | static int | |
7730 | zfs_do_change_key(int argc, char **argv) | |
7731 | { | |
7732 | int c, ret; | |
7733 | uint64_t keystatus; | |
7734 | boolean_t loadkey = B_FALSE, inheritkey = B_FALSE; | |
7735 | zfs_handle_t *zhp = NULL; | |
7736 | nvlist_t *props = fnvlist_alloc(); | |
7737 | ||
7738 | while ((c = getopt(argc, argv, "lio:")) != -1) { | |
7739 | switch (c) { | |
7740 | case 'l': | |
7741 | loadkey = B_TRUE; | |
7742 | break; | |
7743 | case 'i': | |
7744 | inheritkey = B_TRUE; | |
7745 | break; | |
7746 | case 'o': | |
7747 | if (!parseprop(props, optarg)) { | |
7748 | nvlist_free(props); | |
7749 | return (1); | |
7750 | } | |
7751 | break; | |
7752 | default: | |
7753 | (void) fprintf(stderr, | |
7754 | gettext("invalid option '%c'\n"), optopt); | |
7755 | usage(B_FALSE); | |
7756 | } | |
7757 | } | |
7758 | ||
7759 | if (inheritkey && !nvlist_empty(props)) { | |
7760 | (void) fprintf(stderr, | |
7761 | gettext("Properties not allowed for inheriting\n")); | |
7762 | usage(B_FALSE); | |
7763 | } | |
7764 | ||
7765 | argc -= optind; | |
7766 | argv += optind; | |
7767 | ||
7768 | if (argc < 1) { | |
7769 | (void) fprintf(stderr, gettext("Missing dataset argument\n")); | |
7770 | usage(B_FALSE); | |
7771 | } | |
7772 | ||
7773 | if (argc > 1) { | |
7774 | (void) fprintf(stderr, gettext("Too many arguments\n")); | |
7775 | usage(B_FALSE); | |
7776 | } | |
7777 | ||
7778 | zhp = zfs_open(g_zfs, argv[argc - 1], | |
7779 | ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); | |
7780 | if (zhp == NULL) | |
7781 | usage(B_FALSE); | |
7782 | ||
7783 | if (loadkey) { | |
7784 | keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); | |
7785 | if (keystatus != ZFS_KEYSTATUS_AVAILABLE) { | |
7786 | ret = zfs_crypto_load_key(zhp, B_FALSE, NULL); | |
7787 | if (ret != 0) { | |
7788 | nvlist_free(props); | |
7789 | zfs_close(zhp); | |
7790 | return (-1); | |
7791 | } | |
7792 | } | |
7793 | ||
7794 | /* refresh the properties so the new keystatus is visible */ | |
7795 | zfs_refresh_properties(zhp); | |
7796 | } | |
7797 | ||
7798 | ret = zfs_crypto_rewrap(zhp, props, inheritkey); | |
7799 | if (ret != 0) { | |
7800 | nvlist_free(props); | |
7801 | zfs_close(zhp); | |
7802 | return (-1); | |
7803 | } | |
7804 | ||
7805 | nvlist_free(props); | |
7806 | zfs_close(zhp); | |
7807 | return (0); | |
7808 | } | |
7809 | ||
7810 | /* | |
7811 | * 1) zfs project [-d|-r] <file|directory ...> | |
7812 | * List project ID and inherit flag of file(s) or directories. | |
7813 | * -d: List the directory itself, not its children. | |
7814 | * -r: List subdirectories recursively. | |
7815 | * | |
7816 | * 2) zfs project -C [-k] [-r] <file|directory ...> | |
7817 | * Clear project inherit flag and/or ID on the file(s) or directories. | |
7818 | * -k: Keep the project ID unchanged. If not specified, the project ID | |
7819 | * will be reset as zero. | |
7820 | * -r: Clear on subdirectories recursively. | |
7821 | * | |
7822 | * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...> | |
7823 | * Check project ID and inherit flag on the file(s) or directories, | |
7824 | * report the outliers. | |
7825 | * -0: Print file name followed by a NUL instead of newline. | |
7826 | * -d: Check the directory itself, not its children. | |
7827 | * -p: Specify the referenced ID for comparing with the target file(s) | |
7828 | * or directories' project IDs. If not specified, the target (top) | |
7829 | * directory's project ID will be used as the referenced one. | |
7830 | * -r: Check subdirectories recursively. | |
7831 | * | |
7832 | * 4) zfs project [-p id] [-r] [-s] <file|directory ...> | |
7833 | * Set project ID and/or inherit flag on the file(s) or directories. | |
7834 | * -p: Set the project ID as the given id. | |
7835 | * -r: Set on subdirectorie recursively. If not specify "-p" option, | |
7836 | * it will use top-level directory's project ID as the given id, | |
7837 | * then set both project ID and inherit flag on all descendants | |
7838 | * of the top-level directory. | |
7839 | * -s: Set project inherit flag. | |
7840 | */ | |
7841 | static int | |
7842 | zfs_do_project(int argc, char **argv) | |
7843 | { | |
7844 | zfs_project_control_t zpc = { | |
7845 | .zpc_expected_projid = ZFS_INVALID_PROJID, | |
7846 | .zpc_op = ZFS_PROJECT_OP_DEFAULT, | |
7847 | .zpc_dironly = B_FALSE, | |
7848 | .zpc_keep_projid = B_FALSE, | |
7849 | .zpc_newline = B_TRUE, | |
7850 | .zpc_recursive = B_FALSE, | |
7851 | .zpc_set_flag = B_FALSE, | |
7852 | }; | |
7853 | int ret = 0, c; | |
7854 | ||
7855 | if (argc < 2) | |
7856 | usage(B_FALSE); | |
7857 | ||
7858 | while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) { | |
7859 | switch (c) { | |
7860 | case '0': | |
7861 | zpc.zpc_newline = B_FALSE; | |
7862 | break; | |
7863 | case 'C': | |
7864 | if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { | |
7865 | (void) fprintf(stderr, gettext("cannot " | |
7866 | "specify '-C' '-c' '-s' together\n")); | |
7867 | usage(B_FALSE); | |
7868 | } | |
7869 | ||
7870 | zpc.zpc_op = ZFS_PROJECT_OP_CLEAR; | |
7871 | break; | |
7872 | case 'c': | |
7873 | if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { | |
7874 | (void) fprintf(stderr, gettext("cannot " | |
7875 | "specify '-C' '-c' '-s' together\n")); | |
7876 | usage(B_FALSE); | |
7877 | } | |
7878 | ||
7879 | zpc.zpc_op = ZFS_PROJECT_OP_CHECK; | |
7880 | break; | |
7881 | case 'd': | |
7882 | zpc.zpc_dironly = B_TRUE; | |
7883 | /* overwrite "-r" option */ | |
7884 | zpc.zpc_recursive = B_FALSE; | |
7885 | break; | |
7886 | case 'k': | |
7887 | zpc.zpc_keep_projid = B_TRUE; | |
7888 | break; | |
7889 | case 'p': { | |
7890 | char *endptr; | |
7891 | ||
7892 | errno = 0; | |
7893 | zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0); | |
7894 | if (errno != 0 || *endptr != '\0') { | |
7895 | (void) fprintf(stderr, | |
7896 | gettext("project ID must be less than " | |
7897 | "%u\n"), UINT32_MAX); | |
7898 | usage(B_FALSE); | |
7899 | } | |
7900 | if (zpc.zpc_expected_projid >= UINT32_MAX) { | |
7901 | (void) fprintf(stderr, | |
7902 | gettext("invalid project ID\n")); | |
7903 | usage(B_FALSE); | |
7904 | } | |
7905 | break; | |
7906 | } | |
7907 | case 'r': | |
7908 | zpc.zpc_recursive = B_TRUE; | |
7909 | /* overwrite "-d" option */ | |
7910 | zpc.zpc_dironly = B_FALSE; | |
7911 | break; | |
7912 | case 's': | |
7913 | if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { | |
7914 | (void) fprintf(stderr, gettext("cannot " | |
7915 | "specify '-C' '-c' '-s' together\n")); | |
7916 | usage(B_FALSE); | |
7917 | } | |
7918 | ||
7919 | zpc.zpc_set_flag = B_TRUE; | |
7920 | zpc.zpc_op = ZFS_PROJECT_OP_SET; | |
7921 | break; | |
7922 | default: | |
7923 | (void) fprintf(stderr, gettext("invalid option '%c'\n"), | |
7924 | optopt); | |
7925 | usage(B_FALSE); | |
7926 | } | |
7927 | } | |
7928 | ||
7929 | if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) { | |
7930 | if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) | |
7931 | zpc.zpc_op = ZFS_PROJECT_OP_SET; | |
7932 | else | |
7933 | zpc.zpc_op = ZFS_PROJECT_OP_LIST; | |
7934 | } | |
7935 | ||
7936 | switch (zpc.zpc_op) { | |
7937 | case ZFS_PROJECT_OP_LIST: | |
7938 | if (zpc.zpc_keep_projid) { | |
7939 | (void) fprintf(stderr, | |
7940 | gettext("'-k' is only valid together with '-C'\n")); | |
7941 | usage(B_FALSE); | |
7942 | } | |
7943 | if (!zpc.zpc_newline) { | |
7944 | (void) fprintf(stderr, | |
7945 | gettext("'-0' is only valid together with '-c'\n")); | |
7946 | usage(B_FALSE); | |
7947 | } | |
7948 | break; | |
7949 | case ZFS_PROJECT_OP_CHECK: | |
7950 | if (zpc.zpc_keep_projid) { | |
7951 | (void) fprintf(stderr, | |
7952 | gettext("'-k' is only valid together with '-C'\n")); | |
7953 | usage(B_FALSE); | |
7954 | } | |
7955 | break; | |
7956 | case ZFS_PROJECT_OP_CLEAR: | |
7957 | if (zpc.zpc_dironly) { | |
7958 | (void) fprintf(stderr, | |
7959 | gettext("'-d' is useless together with '-C'\n")); | |
7960 | usage(B_FALSE); | |
7961 | } | |
7962 | if (!zpc.zpc_newline) { | |
7963 | (void) fprintf(stderr, | |
7964 | gettext("'-0' is only valid together with '-c'\n")); | |
7965 | usage(B_FALSE); | |
7966 | } | |
7967 | if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) { | |
7968 | (void) fprintf(stderr, | |
7969 | gettext("'-p' is useless together with '-C'\n")); | |
7970 | usage(B_FALSE); | |
7971 | } | |
7972 | break; | |
7973 | case ZFS_PROJECT_OP_SET: | |
7974 | if (zpc.zpc_dironly) { | |
7975 | (void) fprintf(stderr, | |
7976 | gettext("'-d' is useless for set project ID and/or " | |
7977 | "inherit flag\n")); | |
7978 | usage(B_FALSE); | |
7979 | } | |
7980 | if (zpc.zpc_keep_projid) { | |
7981 | (void) fprintf(stderr, | |
7982 | gettext("'-k' is only valid together with '-C'\n")); | |
7983 | usage(B_FALSE); | |
7984 | } | |
7985 | if (!zpc.zpc_newline) { | |
7986 | (void) fprintf(stderr, | |
7987 | gettext("'-0' is only valid together with '-c'\n")); | |
7988 | usage(B_FALSE); | |
7989 | } | |
7990 | break; | |
7991 | default: | |
7992 | ASSERT(0); | |
7993 | break; | |
7994 | } | |
7995 | ||
7996 | argv += optind; | |
7997 | argc -= optind; | |
7998 | if (argc == 0) { | |
7999 | (void) fprintf(stderr, | |
8000 | gettext("missing file or directory target(s)\n")); | |
8001 | usage(B_FALSE); | |
8002 | } | |
8003 | ||
8004 | for (int i = 0; i < argc; i++) { | |
8005 | int err; | |
8006 | ||
8007 | err = zfs_project_handle(argv[i], &zpc); | |
8008 | if (err && !ret) | |
8009 | ret = err; | |
8010 | } | |
8011 | ||
8012 | return (ret); | |
8013 | } | |
8014 | ||
8015 | int | |
8016 | main(int argc, char **argv) | |
8017 | { | |
8018 | int ret = 0; | |
8019 | int i = 0; | |
8020 | char *cmdname; | |
8021 | char **newargv; | |
8022 | ||
8023 | (void) setlocale(LC_ALL, ""); | |
8024 | (void) textdomain(TEXT_DOMAIN); | |
8025 | ||
8026 | opterr = 0; | |
8027 | ||
8028 | /* | |
8029 | * Make sure the user has specified some command. | |
8030 | */ | |
8031 | if (argc < 2) { | |
8032 | (void) fprintf(stderr, gettext("missing command\n")); | |
8033 | usage(B_FALSE); | |
8034 | } | |
8035 | ||
8036 | cmdname = argv[1]; | |
8037 | ||
8038 | /* | |
8039 | * The 'umount' command is an alias for 'unmount' | |
8040 | */ | |
8041 | if (strcmp(cmdname, "umount") == 0) | |
8042 | cmdname = "unmount"; | |
8043 | ||
8044 | /* | |
8045 | * The 'recv' command is an alias for 'receive' | |
8046 | */ | |
8047 | if (strcmp(cmdname, "recv") == 0) | |
8048 | cmdname = "receive"; | |
8049 | ||
8050 | /* | |
8051 | * The 'snap' command is an alias for 'snapshot' | |
8052 | */ | |
8053 | if (strcmp(cmdname, "snap") == 0) | |
8054 | cmdname = "snapshot"; | |
8055 | ||
8056 | /* | |
8057 | * The 'remap' command has been disabled and may be removed in the | |
8058 | * future. See the comment above zfs_do_remap() for details. | |
8059 | */ | |
8060 | if (!libzfs_envvar_is_set("ZFS_REMAP_ENABLED")) | |
8061 | disable_command_idx("remap"); | |
8062 | ||
8063 | /* | |
8064 | * Special case '-?' | |
8065 | */ | |
8066 | if ((strcmp(cmdname, "-?") == 0) || | |
8067 | (strcmp(cmdname, "--help") == 0)) | |
8068 | usage(B_TRUE); | |
8069 | ||
8070 | if ((g_zfs = libzfs_init()) == NULL) { | |
8071 | (void) fprintf(stderr, "%s", libzfs_error_init(errno)); | |
8072 | return (1); | |
8073 | } | |
8074 | ||
8075 | mnttab_file = g_zfs->libzfs_mnttab; | |
8076 | ||
8077 | zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); | |
8078 | ||
8079 | libzfs_print_on_error(g_zfs, B_TRUE); | |
8080 | ||
8081 | /* | |
8082 | * Many commands modify input strings for string parsing reasons. | |
8083 | * We create a copy to protect the original argv. | |
8084 | */ | |
8085 | newargv = malloc((argc + 1) * sizeof (newargv[0])); | |
8086 | for (i = 0; i < argc; i++) | |
8087 | newargv[i] = strdup(argv[i]); | |
8088 | newargv[argc] = NULL; | |
8089 | ||
8090 | /* | |
8091 | * Run the appropriate command. | |
8092 | */ | |
8093 | libzfs_mnttab_cache(g_zfs, B_TRUE); | |
8094 | if (find_command_idx(cmdname, &i) == 0) { | |
8095 | current_command = &command_table[i]; | |
8096 | ret = command_table[i].func(argc - 1, newargv + 1); | |
8097 | } else if (strchr(cmdname, '=') != NULL) { | |
8098 | verify(find_command_idx("set", &i) == 0); | |
8099 | current_command = &command_table[i]; | |
8100 | ret = command_table[i].func(argc, newargv); | |
8101 | } else { | |
8102 | (void) fprintf(stderr, gettext("unrecognized " | |
8103 | "command '%s'\n"), cmdname); | |
8104 | usage(B_FALSE); | |
8105 | ret = 1; | |
8106 | } | |
8107 | ||
8108 | for (i = 0; i < argc; i++) | |
8109 | free(newargv[i]); | |
8110 | free(newargv); | |
8111 | ||
8112 | if (ret == 0 && log_history) | |
8113 | (void) zpool_log_history(g_zfs, history_str); | |
8114 | ||
8115 | libzfs_fini(g_zfs); | |
8116 | ||
8117 | /* | |
8118 | * The 'ZFS_ABORT' environment variable causes us to dump core on exit | |
8119 | * for the purposes of running ::findleaks. | |
8120 | */ | |
8121 | if (getenv("ZFS_ABORT") != NULL) { | |
8122 | (void) printf("dumping core by request\n"); | |
8123 | abort(); | |
8124 | } | |
8125 | ||
8126 | return (ret); | |
8127 | } |