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Change ZEVENT_POOL_GUID to ZEVENT_POOL to display pool names
[mirror_zfs.git] / cmd / zfs / zfs_main.c
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34dc7c2f
BB		 1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
1d3ba0bf 9 * or https://opensource.org/licenses/CDDL-1.0.
34dc7c2f
BB		 10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
428870ff 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
196bee4c 24 * Copyright (c) 2011, 2020 by Delphix. All rights reserved.
cfe86c01 25 * Copyright 2012 Milan Jurik. All rights reserved.
37abac6d 26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
95fd54a1 27 * Copyright (c) 2013 Steven Hartland. All rights reserved.
648a09ad 28 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
d21d5b82 29 * Copyright 2016 Nexenta Systems, Inc.
4c0883fb 30 * Copyright (c) 2019 Datto Inc.
62b2152e 31 * Copyright (c) 2019, loli10K <ezomori.nozomu@gmail.com>
341166c8 32 * Copyright 2019 Joyent, Inc.
a73f361f 33 * Copyright (c) 2019, 2020 by Christian Schwarz. All rights reserved.
34dc7c2f
BB		 34 */
35
34dc7c2f
BB		 36#include <assert.h>
37#include <ctype.h>
30af21b0 38#include <sys/debug.h>
34dc7c2f 39#include <errno.h>
a7004725 40#include <getopt.h>
34dc7c2f
BB		 41#include <libgen.h>
42#include <libintl.h>
43#include <libuutil.h>
44#include <libnvpair.h>
45#include <locale.h>
46#include <stddef.h>
47#include <stdio.h>
48#include <stdlib.h>
d465fc58 49#include <string.h>
34dc7c2f
BB		 50#include <unistd.h>
51#include <fcntl.h>
52#include <zone.h>
9babb374
BB		 53#include <grp.h>
54#include <pwd.h>
757df529
AZ		 55#include <umem.h>
56#include <pthread.h>
572e2857 57#include <signal.h>
0b7936d5 58#include <sys/list.h>
34dc7c2f
BB		 59#include <sys/mkdev.h>
60#include <sys/mntent.h>
61#include <sys/mnttab.h>
62#include <sys/mount.h>
63#include <sys/stat.h>
9babb374 64#include <sys/fs/zfs.h>
46364cb2 65#include <sys/systeminfo.h>
428870ff
BB		 66#include <sys/types.h>
67#include <time.h>
9c5167d1 68#include <sys/zfs_project.h>
34dc7c2f
BB		 69
70#include <libzfs.h>
6f1ffb06 71#include <libzfs_core.h>
0b7936d5
AS		 72#include <zfs_prop.h>
73#include <zfs_deleg.h>
e89f1295 74#include <libzutil.h>
0b7936d5
AS		 75#ifdef HAVE_IDMAP
76#include <aclutils.h>
77#include <directory.h>
78#endif /* HAVE_IDMAP */
34dc7c2f
BB		 79
80#include "zfs_iter.h"
81#include "zfs_util.h"
428870ff 82#include "zfs_comutil.h"
9c5167d1 83#include "zfs_projectutil.h"
34dc7c2f
BB		 84
85libzfs_handle_t *g_zfs;
86
34dc7c2f 87static char history_str[HIS_MAX_RECORD_LEN];
6f1ffb06 88static boolean_t log_history = B_TRUE;
34dc7c2f
BB		 89
90static int zfs_do_clone(int argc, char **argv);
91static int zfs_do_create(int argc, char **argv);
92static int zfs_do_destroy(int argc, char **argv);
93static int zfs_do_get(int argc, char **argv);
94static int zfs_do_inherit(int argc, char **argv);
95static int zfs_do_list(int argc, char **argv);
96static int zfs_do_mount(int argc, char **argv);
97static int zfs_do_rename(int argc, char **argv);
98static int zfs_do_rollback(int argc, char **argv);
99static int zfs_do_set(int argc, char **argv);
100static int zfs_do_upgrade(int argc, char **argv);
101static int zfs_do_snapshot(int argc, char **argv);
102static int zfs_do_unmount(int argc, char **argv);
103static int zfs_do_share(int argc, char **argv);
104static int zfs_do_unshare(int argc, char **argv);
105static int zfs_do_send(int argc, char **argv);
106static int zfs_do_receive(int argc, char **argv);
107static int zfs_do_promote(int argc, char **argv);
9babb374 108static int zfs_do_userspace(int argc, char **argv);
0b7936d5
AS		 109static int zfs_do_allow(int argc, char **argv);
110static int zfs_do_unallow(int argc, char **argv);
45d1cae3 111static int zfs_do_hold(int argc, char **argv);
0b7936d5 112static int zfs_do_holds(int argc, char **argv);
45d1cae3 113static int zfs_do_release(int argc, char **argv);
572e2857 114static int zfs_do_diff(int argc, char **argv);
da536844 115static int zfs_do_bookmark(int argc, char **argv);
d99a0153 116static int zfs_do_channel_program(int argc, char **argv);
b5256303
TC		 117static int zfs_do_load_key(int argc, char **argv);
118static int zfs_do_unload_key(int argc, char **argv);
119static int zfs_do_change_key(int argc, char **argv);
9c5167d1 120static int zfs_do_project(int argc, char **argv);
50478c6d 121static int zfs_do_version(int argc, char **argv);
30af21b0 122static int zfs_do_redact(int argc, char **argv);
5a42ef04 123static int zfs_do_wait(int argc, char **argv);
34dc7c2f 124
4bc72196
MM		 125#ifdef __FreeBSD__
126static int zfs_do_jail(int argc, char **argv);
127static int zfs_do_unjail(int argc, char **argv);
128#endif
129
4ed5e250
WA		 130#ifdef __linux__
131static int zfs_do_zone(int argc, char **argv);
132static int zfs_do_unzone(int argc, char **argv);
133#endif
134
34dc7c2f 135/*
b128c09f 136 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
34dc7c2f 137 */
b128c09f
BB		 138
139#ifdef DEBUG
34dc7c2f
BB		 140const char *
141_umem_debug_init(void)
142{
143 return ("default,verbose"); /* $UMEM_DEBUG setting */
144}
145
146const char *
147_umem_logging_init(void)
148{
149 return ("fail,contents"); /* $UMEM_LOGGING setting */
150}
b128c09f 151#endif
34dc7c2f
BB		 152
153typedef enum {
154 HELP_CLONE,
155 HELP_CREATE,
156 HELP_DESTROY,
157 HELP_GET,
158 HELP_INHERIT,
159 HELP_UPGRADE,
160 HELP_LIST,
161 HELP_MOUNT,
162 HELP_PROMOTE,
163 HELP_RECEIVE,
164 HELP_RENAME,
165 HELP_ROLLBACK,
166 HELP_SEND,
167 HELP_SET,
168 HELP_SHARE,
169 HELP_SNAPSHOT,
170 HELP_UNMOUNT,
171 HELP_UNSHARE,
172 HELP_ALLOW,
9babb374
BB		 173 HELP_UNALLOW,
174 HELP_USERSPACE,
45d1cae3 175 HELP_GROUPSPACE,
9c5167d1
NF		 176 HELP_PROJECTSPACE,
177 HELP_PROJECT,
45d1cae3
BB		 178 HELP_HOLD,
179 HELP_HOLDS,
572e2857 180 HELP_RELEASE,
330d06f9 181 HELP_DIFF,
da536844 182 HELP_BOOKMARK,
d99a0153 183 HELP_CHANNEL_PROGRAM,
b5256303
TC		 184 HELP_LOAD_KEY,
185 HELP_UNLOAD_KEY,
186 HELP_CHANGE_KEY,
30af21b0
PD		 187 HELP_VERSION,
188 HELP_REDACT,
4bc72196 189 HELP_JAIL,
5a42ef04
PD		 190 HELP_UNJAIL,
191 HELP_WAIT,
4ed5e250
WA		 192 HELP_ZONE,
193 HELP_UNZONE,
34dc7c2f
BB		 194} zfs_help_t;
195
196typedef struct zfs_command {
197 const char *name;
198 int (*func)(int argc, char **argv);
199 zfs_help_t usage;
200} zfs_command_t;
201
202/*
203 * Master command table. Each ZFS command has a name, associated function, and
204 * usage message. The usage messages need to be internationalized, so we have
205 * to have a function to return the usage message based on a command index.
206 *
207 * These commands are organized according to how they are displayed in the usage
208 * message. An empty command (one with a NULL name) indicates an empty line in
209 * the generic usage message.
210 */
211static zfs_command_t command_table[] = {
50478c6d
T		 212 { "version", zfs_do_version, HELP_VERSION },
213 { NULL },
34dc7c2f
BB		 214 { "create", zfs_do_create, HELP_CREATE },
215 { "destroy", zfs_do_destroy, HELP_DESTROY },
216 { NULL },
217 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT },
218 { "rollback", zfs_do_rollback, HELP_ROLLBACK },
219 { "clone", zfs_do_clone, HELP_CLONE },
220 { "promote", zfs_do_promote, HELP_PROMOTE },
221 { "rename", zfs_do_rename, HELP_RENAME },
da536844 222 { "bookmark", zfs_do_bookmark, HELP_BOOKMARK },
d99a0153 223 { "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM },
34dc7c2f
BB		 224 { NULL },
225 { "list", zfs_do_list, HELP_LIST },
226 { NULL },
227 { "set", zfs_do_set, HELP_SET },
428870ff 228 { "get", zfs_do_get, HELP_GET },
34dc7c2f
BB		 229 { "inherit", zfs_do_inherit, HELP_INHERIT },
230 { "upgrade", zfs_do_upgrade, HELP_UPGRADE },
9c5167d1 231 { NULL },
9babb374
BB		 232 { "userspace", zfs_do_userspace, HELP_USERSPACE },
233 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE },
9c5167d1
NF		 234 { "projectspace", zfs_do_userspace, HELP_PROJECTSPACE },
235 { NULL },
236 { "project", zfs_do_project, HELP_PROJECT },
34dc7c2f
BB		 237 { NULL },
238 { "mount", zfs_do_mount, HELP_MOUNT },
239 { "unmount", zfs_do_unmount, HELP_UNMOUNT },
240 { "share", zfs_do_share, HELP_SHARE },
241 { "unshare", zfs_do_unshare, HELP_UNSHARE },
242 { NULL },
243 { "send", zfs_do_send, HELP_SEND },
244 { "receive", zfs_do_receive, HELP_RECEIVE },
245 { NULL },
0b7936d5 246 { "allow", zfs_do_allow, HELP_ALLOW },
34dc7c2f 247 { NULL },
0b7936d5 248 { "unallow", zfs_do_unallow, HELP_UNALLOW },
45d1cae3
BB		 249 { NULL },
250 { "hold", zfs_do_hold, HELP_HOLD },
0b7936d5 251 { "holds", zfs_do_holds, HELP_HOLDS },
45d1cae3 252 { "release", zfs_do_release, HELP_RELEASE },
572e2857 253 { "diff", zfs_do_diff, HELP_DIFF },
b5256303
TC		 254 { "load-key", zfs_do_load_key, HELP_LOAD_KEY },
255 { "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY },
256 { "change-key", zfs_do_change_key, HELP_CHANGE_KEY },
30af21b0 257 { "redact", zfs_do_redact, HELP_REDACT },
5a42ef04 258 { "wait", zfs_do_wait, HELP_WAIT },
4bc72196
MM		 259
260#ifdef __FreeBSD__
261 { "jail", zfs_do_jail, HELP_JAIL },
262 { "unjail", zfs_do_unjail, HELP_UNJAIL },
263#endif
4ed5e250
WA		 264
265#ifdef __linux__
266 { "zone", zfs_do_zone, HELP_ZONE },
267 { "unzone", zfs_do_unzone, HELP_UNZONE },
268#endif
34dc7c2f
BB		 269};
270
271#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
272
273zfs_command_t *current_command;
274
275static const char *
276get_usage(zfs_help_t idx)
277{
278 switch (idx) {
279 case HELP_CLONE:
b128c09f
BB		 280 return (gettext("\tclone [-p] [-o property=value] ... "
281 "<snapshot> <filesystem|volume>\n"));
34dc7c2f 282 case HELP_CREATE:
4b6e2a5a 283 return (gettext("\tcreate [-Pnpuv] [-o property=value] ... "
34dc7c2f 284 "<filesystem>\n"
d45d7f08 285 "\tcreate [-Pnpsv] [-b blocksize] [-o property=value] ... "
34dc7c2f
BB		 286 "-V <size> <volume>\n"));
287 case HELP_DESTROY:
330d06f9
MA		 288 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
289 "\tdestroy [-dnpRrv] "
da536844
MA		 290 "<filesystem|volume>@<snap>[%<snap>][,...]\n"
291 "\tdestroy <filesystem|volume>#<bookmark>\n"));
34dc7c2f 292 case HELP_GET:
9babb374 293 return (gettext("\tget [-rHp] [-d max] "
da536844
MA		 294 "[-o \"all\" | field[,...]]\n"
295 "\t [-t type[,...]] [-s source[,...]]\n"
34dc7c2f 296 "\t <\"all\" | property[,...]> "
aeacdefe 297 "[filesystem|volume|snapshot|bookmark] ...\n"));
34dc7c2f 298 case HELP_INHERIT:
428870ff 299 return (gettext("\tinherit [-rS] <property> "
b128c09f 300 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 301 case HELP_UPGRADE:
302 return (gettext("\tupgrade [-v]\n"
303 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
304 case HELP_LIST:
54d5378f
YP		 305 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] "
306 "[-s property]...\n\t [-S property]... [-t type[,...]] "
157c9b69 307 "[filesystem|volume|snapshot] ...\n"));
34dc7c2f
BB		 308 case HELP_MOUNT:
309 return (gettext("\tmount\n"
30af21b0 310 "\tmount [-flvO] [-o opts] <-a | filesystem>\n"));
34dc7c2f
BB		 311 case HELP_PROMOTE:
312 return (gettext("\tpromote <clone-filesystem>\n"));
313 case HELP_RECEIVE:
a57d3d45 314 return (gettext("\treceive [-vMnsFhu] "
a3eeab2d 315 "[-o <property>=<value>] ... [-x <property>] ...\n"
316 "\t <filesystem|volume|snapshot>\n"
a57d3d45 317 "\treceive [-vMnsFhu] [-o <property>=<value>] ... "
a3eeab2d 318 "[-x <property>] ... \n"
319 "\t [-d | -e] <filesystem>\n"
47dfff3b 320 "\treceive -A <filesystem|volume>\n"));
34dc7c2f 321 case HELP_RENAME:
db49968e 322 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
34dc7c2f 323 "<filesystem|volume|snapshot>\n"
7b4e2723
RM		 324 "\trename -p [-f] <filesystem|volume> <filesystem|volume>\n"
325 "\trename -u [-f] <filesystem> <filesystem>\n"
da536844 326 "\trename -r <snapshot> <snapshot>\n"));
34dc7c2f
BB		 327 case HELP_ROLLBACK:
328 return (gettext("\trollback [-rRf] <snapshot>\n"));
329 case HELP_SEND:
6625262c
AZ		 330 return (gettext("\tsend [-DLPbcehnpsvw] "
331 "[-i|-I snapshot]\n"
332 "\t [-R [-X dataset[,dataset]...]] <snapshot>\n"
b7ec5302 333 "\tsend [-DnvPLecw] [-i snapshot|bookmark] "
47dfff3b 334 "<filesystem|volume|snapshot>\n"
3976fd65 335 "\tsend [-DnPpvLec] [-i bookmark|snapshot] "
30af21b0 336 "--redact <bookmark> <snapshot>\n"
ba0ba69e
TC		 337 "\tsend [-nvPe] -t <receive_resume_token>\n"
338 "\tsend [-Pnv] --saved filesystem\n"));
34dc7c2f 339 case HELP_SET:
23de906c 340 return (gettext("\tset <property=value> ... "
b128c09f 341 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f 342 case HELP_SHARE:
b5256303 343 return (gettext("\tshare [-l] <-a [nfs|smb] | filesystem>\n"));
34dc7c2f 344 case HELP_SNAPSHOT:
63f88c12 345 return (gettext("\tsnapshot [-r] [-o property=value] ... "
da536844 346 "<filesystem|volume>@<snap> ...\n"));
34dc7c2f 347 case HELP_UNMOUNT:
765d1f06 348 return (gettext("\tunmount [-fu] "
34dc7c2f
BB		 349 "<-a | filesystem|mountpoint>\n"));
350 case HELP_UNSHARE:
45d1cae3 351 return (gettext("\tunshare "
2f71caf2 352 "<-a [nfs|smb] | filesystem|mountpoint>\n"));
34dc7c2f 353 case HELP_ALLOW:
9babb374
BB		 354 return (gettext("\tallow <filesystem|volume>\n"
355 "\tallow [-ldug] "
34dc7c2f
BB		 356 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
357 "\t <filesystem|volume>\n"
358 "\tallow [-ld] -e <perm|@setname>[,...] "
359 "<filesystem|volume>\n"
360 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
361 "\tallow -s @setname <perm|@setname>[,...] "
362 "<filesystem|volume>\n"));
363 case HELP_UNALLOW:
364 return (gettext("\tunallow [-rldug] "
365 "<\"everyone\"|user|group>[,...]\n"
366 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
367 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
368 "<filesystem|volume>\n"
369 "\tunallow [-r] -c [<perm|@setname>[,...]] "
370 "<filesystem|volume>\n"
371 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
372 "<filesystem|volume>\n"));
9babb374 373 case HELP_USERSPACE:
5990da81 374 return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
da536844
MA		 375 "[-s field] ...\n"
376 "\t [-S field] ... [-t type[,...]] "
cf266775 377 "<filesystem|snapshot|path>\n"));
9babb374 378 case HELP_GROUPSPACE:
5990da81 379 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
da536844
MA		 380 "[-s field] ...\n"
381 "\t [-S field] ... [-t type[,...]] "
cf266775 382 "<filesystem|snapshot|path>\n"));
9c5167d1
NF		 383 case HELP_PROJECTSPACE:
384 return (gettext("\tprojectspace [-Hp] [-o field[,...]] "
385 "[-s field] ... \n"
cf266775 386 "\t [-S field] ... <filesystem|snapshot|path>\n"));
9c5167d1
NF		 387 case HELP_PROJECT:
388 return (gettext("\tproject [-d|-r] <directory|file ...>\n"
389 "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n"
390 "\tproject -C [-k] [-r] <directory ...>\n"
391 "\tproject [-p id] [-r] [-s] <directory ...>\n"));
45d1cae3
BB		 392 case HELP_HOLD:
393 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
394 case HELP_HOLDS:
41715771 395 return (gettext("\tholds [-rHp] <snapshot> ...\n"));
45d1cae3
BB		 396 case HELP_RELEASE:
397 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
572e2857 398 case HELP_DIFF:
3069872e 399 return (gettext("\tdiff [-FHth] <snapshot> "
572e2857 400 "[snapshot|filesystem]\n"));
da536844 401 case HELP_BOOKMARK:
a73f361f
CS		 402 return (gettext("\tbookmark <snapshot|bookmark> "
403 "<newbookmark>\n"));
d99a0153 404 case HELP_CHANNEL_PROGRAM:
272b5d73 405 return (gettext("\tprogram [-jn] [-t <instruction limit>] "
c568ab8d
MA		 406 "[-m <memory limit (b)>]\n"
407 "\t <pool> <program file> [lua args...]\n"));
b5256303
TC		 408 case HELP_LOAD_KEY:
409 return (gettext("\tload-key [-rn] [-L <keylocation>] "
410 "<-a | filesystem|volume>\n"));
411 case HELP_UNLOAD_KEY:
412 return (gettext("\tunload-key [-r] "
413 "<-a | filesystem|volume>\n"));
414 case HELP_CHANGE_KEY:
ae76f45c 415 return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n"
abe4fbfd 416 "\t [-o keylocation=<value>] [-o pbkdf2iters=<value>]\n"
b5256303
TC		 417 "\t <filesystem|volume>\n"
418 "\tchange-key -i [-l] <filesystem|volume>\n"));
50478c6d
T		 419 case HELP_VERSION:
420 return (gettext("\tversion\n"));
30af21b0
PD		 421 case HELP_REDACT:
422 return (gettext("\tredact <snapshot> <bookmark> "
a33cb7e0 423 "<redaction_snapshot> ...\n"));
4bc72196
MM		 424 case HELP_JAIL:
425 return (gettext("\tjail <jailid|jailname> <filesystem>\n"));
426 case HELP_UNJAIL:
427 return (gettext("\tunjail <jailid|jailname> <filesystem>\n"));
5a42ef04
PD		 428 case HELP_WAIT:
429 return (gettext("\twait [-t <activity>] <filesystem>\n"));
4ed5e250
WA		 430 case HELP_ZONE:
431 return (gettext("\tzone <nsfile> <filesystem>\n"));
432 case HELP_UNZONE:
433 return (gettext("\tunzone <nsfile> <filesystem>\n"));
90f1c3c9
AZ		 434 default:
435 __builtin_unreachable();
34dc7c2f 436 }
34dc7c2f
BB		 437}
438
428870ff
BB		 439void
440nomem(void)
441{
442 (void) fprintf(stderr, gettext("internal error: out of memory\n"));
443 exit(1);
444}
445
34dc7c2f
BB		 446/*
447 * Utility function to guarantee malloc() success.
448 */
428870ff 449
34dc7c2f
BB		 450void *
451safe_malloc(size_t size)
452{
453 void *data;
454
428870ff
BB		 455 if ((data = calloc(1, size)) == NULL)
456 nomem();
34dc7c2f
BB		 457
458 return (data);
459}
460
65c7cc49 461static void *
d99a0153
CW		 462safe_realloc(void *data, size_t size)
463{
464 void *newp;
465 if ((newp = realloc(data, size)) == NULL) {
466 free(data);
467 nomem();
468 }
469
470 return (newp);
471}
472
428870ff 473static char *
a926aab9 474safe_strdup(const char *str)
428870ff
BB		 475{
476 char *dupstr = strdup(str);
477
478 if (dupstr == NULL)
479 nomem();
480
481 return (dupstr);
482}
483
34dc7c2f
BB		 484/*
485 * Callback routine that will print out information for each of
486 * the properties.
487 */
488static int
489usage_prop_cb(int prop, void *cb)
490{
491 FILE *fp = cb;
492
b128c09f 493 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
34dc7c2f 494
b128c09f
BB		 495 if (zfs_prop_readonly(prop))
496 (void) fprintf(fp, " NO ");
34dc7c2f 497 else
b128c09f 498 (void) fprintf(fp, "YES ");
34dc7c2f
BB		 499
500 if (zfs_prop_inheritable(prop))
501 (void) fprintf(fp, " YES ");
502 else
503 (void) fprintf(fp, " NO ");
504
84a3eab6 505 (void) fprintf(fp, "%s\n", zfs_prop_values(prop) ?: "-");
34dc7c2f
BB		 506
507 return (ZPROP_CONT);
508}
509
510/*
511 * Display usage message. If we're inside a command, display only the usage for
512 * that command. Otherwise, iterate over the entire command table and display
513 * a complete usage message.
514 */
460748d4 515static __attribute__((noreturn)) void
34dc7c2f
BB		 516usage(boolean_t requested)
517{
518 int i;
519 boolean_t show_properties = B_FALSE;
34dc7c2f
BB		 520 FILE *fp = requested ? stdout : stderr;
521
522 if (current_command == NULL) {
523
524 (void) fprintf(fp, gettext("usage: zfs command args ...\n"));
525 (void) fprintf(fp,
526 gettext("where 'command' is one of the following:\n\n"));
527
528 for (i = 0; i < NCOMMAND; i++) {
529 if (command_table[i].name == NULL)
530 (void) fprintf(fp, "\n");
531 else
532 (void) fprintf(fp, "%s",
533 get_usage(command_table[i].usage));
534 }
535
536 (void) fprintf(fp, gettext("\nEach dataset is of the form: "
537 "pool/[dataset/]*dataset[@name]\n"));
538 } else {
539 (void) fprintf(fp, gettext("usage:\n"));
540 (void) fprintf(fp, "%s", get_usage(current_command->usage));
541 }
542
543 if (current_command != NULL &&
544 (strcmp(current_command->name, "set") == 0 ||
545 strcmp(current_command->name, "get") == 0 ||
546 strcmp(current_command->name, "inherit") == 0 ||
547 strcmp(current_command->name, "list") == 0))
548 show_properties = B_TRUE;
549
34dc7c2f 550 if (show_properties) {
3c1e1933 551 (void) fprintf(fp, "%s",
34dc7c2f
BB		 552 gettext("\nThe following properties are supported:\n"));
553
554 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
555 "PROPERTY", "EDIT", "INHERIT", "VALUES");
556
557 /* Iterate over all properties */
558 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
559 ZFS_TYPE_DATASET);
560
9babb374
BB		 561 (void) fprintf(fp, "\t%-15s ", "userused@...");
562 (void) fprintf(fp, " NO NO <size>\n");
563 (void) fprintf(fp, "\t%-15s ", "groupused@...");
564 (void) fprintf(fp, " NO NO <size>\n");
9c5167d1
NF		 565 (void) fprintf(fp, "\t%-15s ", "projectused@...");
566 (void) fprintf(fp, " NO NO <size>\n");
567 (void) fprintf(fp, "\t%-15s ", "userobjused@...");
568 (void) fprintf(fp, " NO NO <size>\n");
569 (void) fprintf(fp, "\t%-15s ", "groupobjused@...");
570 (void) fprintf(fp, " NO NO <size>\n");
571 (void) fprintf(fp, "\t%-15s ", "projectobjused@...");
572 (void) fprintf(fp, " NO NO <size>\n");
9babb374
BB		 573 (void) fprintf(fp, "\t%-15s ", "userquota@...");
574 (void) fprintf(fp, "YES NO <size> | none\n");
575 (void) fprintf(fp, "\t%-15s ", "groupquota@...");
576 (void) fprintf(fp, "YES NO <size> | none\n");
9c5167d1
NF		 577 (void) fprintf(fp, "\t%-15s ", "projectquota@...");
578 (void) fprintf(fp, "YES NO <size> | none\n");
579 (void) fprintf(fp, "\t%-15s ", "userobjquota@...");
580 (void) fprintf(fp, "YES NO <size> | none\n");
581 (void) fprintf(fp, "\t%-15s ", "groupobjquota@...");
582 (void) fprintf(fp, "YES NO <size> | none\n");
583 (void) fprintf(fp, "\t%-15s ", "projectobjquota@...");
584 (void) fprintf(fp, "YES NO <size> | none\n");
330d06f9
MA		 585 (void) fprintf(fp, "\t%-15s ", "written@<snap>");
586 (void) fprintf(fp, " NO NO <size>\n");
30af21b0
PD		 587 (void) fprintf(fp, "\t%-15s ", "written#<bookmark>");
588 (void) fprintf(fp, " NO NO <size>\n");
9babb374 589
34dc7c2f
BB		 590 (void) fprintf(fp, gettext("\nSizes are specified in bytes "
591 "with standard units such as K, M, G, etc.\n"));
63652e15
DS		 592 (void) fprintf(fp, "%s", gettext("\nUser-defined properties "
593 "can be specified by using a name containing a colon "
594 "(:).\n"));
9c5167d1
NF		 595 (void) fprintf(fp, gettext("\nThe {user|group|project}"
596 "[obj]{used|quota}@ properties must be appended with\n"
597 "a user|group|project specifier of one of these forms:\n"
9babb374
BB		 598 " POSIX name (eg: \"matt\")\n"
599 " POSIX id (eg: \"126829\")\n"
600 " SMB name@domain (eg: \"matt@sun\")\n"
601 " SMB SID (eg: \"S-1-234-567-89\")\n"));
34dc7c2f 602 } else {
34dc7c2f 603 (void) fprintf(fp,
fb5f0bc8
BB		 604 gettext("\nFor the property list, run: %s\n"),
605 "zfs set|get");
34dc7c2f 606 (void) fprintf(fp,
fb5f0bc8
BB		 607 gettext("\nFor the delegated permission list, run: %s\n"),
608 "zfs allow|unallow");
34dc7c2f
BB		 609 }
610
611 /*
612 * See comments at end of main().
613 */
614 if (getenv("ZFS_ABORT") != NULL) {
615 (void) printf("dumping core by request\n");
616 abort();
617 }
618
619 exit(requested ? 0 : 2);
620}
621
23de906c
CW		 622/*
623 * Take a property=value argument string and add it to the given nvlist.
624 * Modifies the argument inplace.
625 */
a3eeab2d 626static boolean_t
23de906c 627parseprop(nvlist_t *props, char *propname)
b128c09f 628{
a3eeab2d 629 char *propval;
b128c09f
BB		 630
631 if ((propval = strchr(propname, '=')) == NULL) {
632 (void) fprintf(stderr, gettext("missing "
23de906c 633 "'=' for property=value argument\n"));
a3eeab2d 634 return (B_FALSE);
b128c09f
BB		 635 }
636 *propval = '\0';
637 propval++;
a3eeab2d 638 if (nvlist_exists(props, propname)) {
b128c09f
BB		 639 (void) fprintf(stderr, gettext("property '%s' "
640 "specified multiple times\n"), propname);
a3eeab2d 641 return (B_FALSE);
b128c09f 642 }
428870ff
BB		 643 if (nvlist_add_string(props, propname, propval) != 0)
644 nomem();
a3eeab2d 645 return (B_TRUE);
646}
647
648/*
649 * Take a property name argument and add it to the given nvlist.
650 * Modifies the argument inplace.
651 */
652static boolean_t
653parsepropname(nvlist_t *props, char *propname)
654{
655 if (strchr(propname, '=') != NULL) {
656 (void) fprintf(stderr, gettext("invalid character "
657 "'=' in property argument\n"));
658 return (B_FALSE);
659 }
660 if (nvlist_exists(props, propname)) {
661 (void) fprintf(stderr, gettext("property '%s' "
662 "specified multiple times\n"), propname);
663 return (B_FALSE);
664 }
665 if (nvlist_add_boolean(props, propname) != 0)
666 nomem();
667 return (B_TRUE);
b128c09f
BB		 668}
669
9babb374
BB		 670static int
671parse_depth(char *opt, int *flags)
672{
673 char *tmp;
674 int depth;
675
676 depth = (int)strtol(opt, &tmp, 0);
677 if (*tmp) {
678 (void) fprintf(stderr,
679 gettext("%s is not an integer\n"), optarg);
680 usage(B_FALSE);
681 }
682 if (depth < 0) {
683 (void) fprintf(stderr,
684 gettext("Depth can not be negative.\n"));
685 usage(B_FALSE);
686 }
687 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
688 return (depth);
689}
690
428870ff
BB		 691#define PROGRESS_DELAY 2 /* seconds */
692
a926aab9
AZ		 693static const char *pt_reverse =
694 "\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";
428870ff
BB		 695static time_t pt_begin;
696static char *pt_header = NULL;
697static boolean_t pt_shown;
698
699static void
700start_progress_timer(void)
701{
702 pt_begin = time(NULL) + PROGRESS_DELAY;
703 pt_shown = B_FALSE;
704}
705
706static void
a926aab9 707set_progress_header(const char *header)
428870ff
BB		 708{
709 assert(pt_header == NULL);
710 pt_header = safe_strdup(header);
711 if (pt_shown) {
712 (void) printf("%s: ", header);
713 (void) fflush(stdout);
714 }
715}
716
717static void
a926aab9 718update_progress(const char *update)
428870ff
BB		 719{
720 if (!pt_shown && time(NULL) > pt_begin) {
721 int len = strlen(update);
722
723 (void) printf("%s: %s%*.*s", pt_header, update, len, len,
724 pt_reverse);
725 (void) fflush(stdout);
726 pt_shown = B_TRUE;
727 } else if (pt_shown) {
728 int len = strlen(update);
729
730 (void) printf("%s%*.*s", update, len, len, pt_reverse);
731 (void) fflush(stdout);
732 }
733}
734
735static void
a926aab9 736finish_progress(const char *done)
428870ff
BB		 737{
738 if (pt_shown) {
a926aab9 739 (void) puts(done);
428870ff
BB		 740 (void) fflush(stdout);
741 }
742 free(pt_header);
743 pt_header = NULL;
744}
d603ed6c 745
5d6a4603
BB		 746static int
747zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type)
748{
749 zfs_handle_t *zhp = NULL;
750 int ret = 0;
751
752 zhp = zfs_open(hdl, dataset, type);
753 if (zhp == NULL)
754 return (1);
755
756 /*
757 * Volumes may neither be mounted or shared. Potentially in the
758 * future filesystems detected on these volumes could be mounted.
759 */
760 if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) {
761 zfs_close(zhp);
762 return (0);
763 }
764
765 /*
766 * Mount and/or share the new filesystem as appropriate. We provide a
767 * verbose error message to let the user know that their filesystem was
768 * in fact created, even if we failed to mount or share it.
769 *
770 * If the user doesn't want the dataset automatically mounted, then
771 * skip the mount/share step
772 */
773 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) &&
774 zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) {
4bc72196 775 if (zfs_mount_delegation_check()) {
f74b821a
BB		 776 (void) fprintf(stderr, gettext("filesystem "
777 "successfully created, but it may only be "
778 "mounted by root\n"));
779 ret = 1;
780 } else if (zfs_mount(zhp, NULL, 0) != 0) {
5d6a4603
BB		 781 (void) fprintf(stderr, gettext("filesystem "
782 "successfully created, but not mounted\n"));
783 ret = 1;
b4d9a82f 784 } else if (zfs_share(zhp, NULL) != 0) {
5d6a4603
BB		 785 (void) fprintf(stderr, gettext("filesystem "
786 "successfully created, but not shared\n"));
787 ret = 1;
788 }
b4d9a82f 789 zfs_commit_shares(NULL);
5d6a4603
BB		 790 }
791
792 zfs_close(zhp);
793
794 return (ret);
795}
796
34dc7c2f 797/*
b128c09f 798 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
34dc7c2f
BB		 799 *
800 * Given an existing dataset, create a writable copy whose initial contents
801 * are the same as the source. The newly created dataset maintains a
802 * dependency on the original; the original cannot be destroyed so long as
803 * the clone exists.
804 *
805 * The '-p' flag creates all the non-existing ancestors of the target first.
806 */
807static int
808zfs_do_clone(int argc, char **argv)
809{
b128c09f 810 zfs_handle_t *zhp = NULL;
34dc7c2f 811 boolean_t parents = B_FALSE;
b128c09f 812 nvlist_t *props;
ad60af8e 813 int ret = 0;
34dc7c2f
BB		 814 int c;
815
428870ff
BB		 816 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
817 nomem();
b128c09f 818
34dc7c2f 819 /* check options */
b128c09f 820 while ((c = getopt(argc, argv, "o:p")) != -1) {
34dc7c2f 821 switch (c) {
b128c09f 822 case 'o':
a3eeab2d 823 if (!parseprop(props, optarg)) {
a425f5bf 824 nvlist_free(props);
b128c09f 825 return (1);
a425f5bf 826 }
b128c09f 827 break;
34dc7c2f
BB		 828 case 'p':
829 parents = B_TRUE;
830 break;
831 case '?':
832 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
833 optopt);
b128c09f 834 goto usage;
34dc7c2f
BB		 835 }
836 }
837
838 argc -= optind;
839 argv += optind;
840
841 /* check number of arguments */
842 if (argc < 1) {
843 (void) fprintf(stderr, gettext("missing source dataset "
844 "argument\n"));
b128c09f 845 goto usage;
34dc7c2f
BB		 846 }
847 if (argc < 2) {
848 (void) fprintf(stderr, gettext("missing target dataset "
849 "argument\n"));
b128c09f 850 goto usage;
34dc7c2f
BB		 851 }
852 if (argc > 2) {
853 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 854 goto usage;
34dc7c2f
BB		 855 }
856
857 /* open the source dataset */
a425f5bf 858 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) {
859 nvlist_free(props);
34dc7c2f 860 return (1);
a425f5bf 861 }
34dc7c2f
BB		 862
863 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
864 ZFS_TYPE_VOLUME)) {
865 /*
866 * Now create the ancestors of the target dataset. If the
867 * target already exists and '-p' option was used we should not
868 * complain.
869 */
870 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
a425f5bf 871 ZFS_TYPE_VOLUME)) {
872 zfs_close(zhp);
873 nvlist_free(props);
34dc7c2f 874 return (0);
a425f5bf 875 }
876 if (zfs_create_ancestors(g_zfs, argv[1]) != 0) {
877 zfs_close(zhp);
878 nvlist_free(props);
34dc7c2f 879 return (1);
a425f5bf 880 }
34dc7c2f
BB		 881 }
882
883 /* pass to libzfs */
b128c09f 884 ret = zfs_clone(zhp, argv[1], props);
34dc7c2f
BB		 885
886 /* create the mountpoint if necessary */
887 if (ret == 0) {
fb8e608d
TC		 888 if (log_history) {
889 (void) zpool_log_history(g_zfs, history_str);
890 log_history = B_FALSE;
891 }
892
5d6a4603 893 ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET);
34dc7c2f
BB		 894 }
895
896 zfs_close(zhp);
b128c09f 897 nvlist_free(props);
34dc7c2f 898
b128c09f
BB		 899 return (!!ret);
900
901usage:
ced28193 902 ASSERT3P(zhp, ==, NULL);
b128c09f
BB		 903 nvlist_free(props);
904 usage(B_FALSE);
905 return (-1);
34dc7c2f
BB		 906}
907
b2255edc
BB		 908/*
909 * Return a default volblocksize for the pool which always uses more than
910 * half of the data sectors. This primarily applies to dRAID which always
911 * writes full stripe widths.
912 */
913static uint64_t
914default_volblocksize(zpool_handle_t *zhp, nvlist_t *props)
915{
916 uint64_t volblocksize, asize = SPA_MINBLOCKSIZE;
917 nvlist_t *tree, **vdevs;
918 uint_t nvdevs;
919
920 nvlist_t *config = zpool_get_config(zhp, NULL);
921
922 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) != 0 ||
923 nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN,
924 &vdevs, &nvdevs) != 0) {
925 return (ZVOL_DEFAULT_BLOCKSIZE);
926 }
927
928 for (int i = 0; i < nvdevs; i++) {
929 nvlist_t *nv = vdevs[i];
930 uint64_t ashift, ndata, nparity;
931
932 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ASHIFT, &ashift) != 0)
933 continue;
934
935 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DRAID_NDATA,
936 &ndata) == 0) {
937 /* dRAID minimum allocation width */
938 asize = MAX(asize, ndata * (1ULL << ashift));
939 } else if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
940 &nparity) == 0) {
941 /* raidz minimum allocation width */
942 if (nparity == 1)
943 asize = MAX(asize, 2 * (1ULL << ashift));
944 else
945 asize = MAX(asize, 4 * (1ULL << ashift));
946 } else {
947 /* mirror or (non-redundant) leaf vdev */
948 asize = MAX(asize, 1ULL << ashift);
949 }
950 }
951
952 /*
953 * Calculate the target volblocksize such that more than half
954 * of the asize is used. The following table is for 4k sectors.
955 *
956 * n asize blksz used | n asize blksz used
957 * -------------------------+---------------------------------
958 * 1 4,096 8,192 100% | 9 36,864 32,768 88%
959 * 2 8,192 8,192 100% | 10 40,960 32,768 80%
960 * 3 12,288 8,192 66% | 11 45,056 32,768 72%
961 * 4 16,384 16,384 100% | 12 49,152 32,768 66%
962 * 5 20,480 16,384 80% | 13 53,248 32,768 61%
963 * 6 24,576 16,384 66% | 14 57,344 32,768 57%
964 * 7 28,672 16,384 57% | 15 61,440 32,768 53%
965 * 8 32,768 32,768 100% | 16 65,536 65,636 100%
966 *
967 * This is primarily a concern for dRAID which always allocates
968 * a full stripe width. For dRAID the default stripe width is
969 * n=8 in which case the volblocksize is set to 32k. Ignoring
970 * compression there are no unused sectors. This same reasoning
971 * applies to raidz[2,3] so target 4 sectors to minimize waste.
972 */
973 uint64_t tgt_volblocksize = ZVOL_DEFAULT_BLOCKSIZE;
974 while (tgt_volblocksize * 2 <= asize)
975 tgt_volblocksize *= 2;
976
977 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
978 if (nvlist_lookup_uint64(props, prop, &volblocksize) == 0) {
979
980 /* Issue a warning when a non-optimal size is requested. */
981 if (volblocksize < ZVOL_DEFAULT_BLOCKSIZE) {
982 (void) fprintf(stderr, gettext("Warning: "
983 "volblocksize (%llu) is less than the default "
984 "minimum block size (%llu).\nTo reduce wasted "
985 "space a volblocksize of %llu is recommended.\n"),
986 (u_longlong_t)volblocksize,
987 (u_longlong_t)ZVOL_DEFAULT_BLOCKSIZE,
988 (u_longlong_t)tgt_volblocksize);
989 } else if (volblocksize < tgt_volblocksize) {
990 (void) fprintf(stderr, gettext("Warning: "
991 "volblocksize (%llu) is much less than the "
992 "minimum allocation\nunit (%llu), which wastes "
993 "at least %llu%% of space. To reduce wasted "
994 "space,\nuse a larger volblocksize (%llu is "
995 "recommended), fewer dRAID data disks\n"
996 "per group, or smaller sector size (ashift).\n"),
997 (u_longlong_t)volblocksize, (u_longlong_t)asize,
998 (u_longlong_t)((100 * (asize - volblocksize)) /
999 asize), (u_longlong_t)tgt_volblocksize);
1000 }
1001 } else {
1002 volblocksize = tgt_volblocksize;
1003 fnvlist_add_uint64(props, prop, volblocksize);
1004 }
1005
1006 return (volblocksize);
1007}
1008
34dc7c2f 1009/*
d45d7f08
MG		 1010 * zfs create [-Pnpv] [-o prop=value] ... fs
1011 * zfs create [-Pnpsv] [-b blocksize] [-o prop=value] ... -V vol size
34dc7c2f
BB		 1012 *
1013 * Create a new dataset. This command can be used to create filesystems
1014 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
1015 * For volumes, the user must specify a size to be used.
1016 *
1017 * The '-s' flag applies only to volumes, and indicates that we should not try
1018 * to set the reservation for this volume. By default we set a reservation
1019 * equal to the size for any volume. For pools with SPA_VERSION >=
1020 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
1021 *
1022 * The '-p' flag creates all the non-existing ancestors of the target first.
d45d7f08
MG		 1023 *
1024 * The '-n' flag is no-op (dry run) mode. This will perform a user-space sanity
1025 * check of arguments and properties, but does not check for permissions,
1026 * available space, etc.
1027 *
4b6e2a5a
RM		 1028 * The '-u' flag prevents the newly created file system from being mounted.
1029 *
d45d7f08
MG		 1030 * The '-v' flag is for verbose output.
1031 *
1032 * The '-P' flag is used for parseable output. It implies '-v'.
34dc7c2f
BB		 1033 */
1034static int
1035zfs_do_create(int argc, char **argv)
1036{
1037 zfs_type_t type = ZFS_TYPE_FILESYSTEM;
d45d7f08
MG		 1038 zpool_handle_t *zpool_handle = NULL;
1039 nvlist_t *real_props = NULL;
d4ed6673 1040 uint64_t volsize = 0;
34dc7c2f
BB		 1041 int c;
1042 boolean_t noreserve = B_FALSE;
1043 boolean_t bflag = B_FALSE;
1044 boolean_t parents = B_FALSE;
d45d7f08 1045 boolean_t dryrun = B_FALSE;
4b6e2a5a 1046 boolean_t nomount = B_FALSE;
d45d7f08
MG		 1047 boolean_t verbose = B_FALSE;
1048 boolean_t parseable = B_FALSE;
34dc7c2f 1049 int ret = 1;
b128c09f 1050 nvlist_t *props;
34dc7c2f 1051 uint64_t intval;
b2255edc 1052 char *strval;
34dc7c2f 1053
428870ff
BB		 1054 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
1055 nomem();
34dc7c2f
BB		 1056
1057 /* check options */
4b6e2a5a 1058 while ((c = getopt(argc, argv, ":PV:b:nso:puv")) != -1) {
34dc7c2f
BB		 1059 switch (c) {
1060 case 'V':
1061 type = ZFS_TYPE_VOLUME;
1062 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
1063 (void) fprintf(stderr, gettext("bad volume "
1064 "size '%s': %s\n"), optarg,
1065 libzfs_error_description(g_zfs));
1066 goto error;
1067 }
1068
1069 if (nvlist_add_uint64(props,
428870ff
BB		 1070 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
1071 nomem();
34dc7c2f
BB		 1072 volsize = intval;
1073 break;
d45d7f08
MG		 1074 case 'P':
1075 verbose = B_TRUE;
1076 parseable = B_TRUE;
1077 break;
34dc7c2f
BB		 1078 case 'p':
1079 parents = B_TRUE;
1080 break;
1081 case 'b':
1082 bflag = B_TRUE;
1083 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
1084 (void) fprintf(stderr, gettext("bad volume "
1085 "block size '%s': %s\n"), optarg,
1086 libzfs_error_description(g_zfs));
1087 goto error;
1088 }
1089
1090 if (nvlist_add_uint64(props,
1091 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
428870ff
BB		 1092 intval) != 0)
1093 nomem();
34dc7c2f 1094 break;
d45d7f08
MG		 1095 case 'n':
1096 dryrun = B_TRUE;
1097 break;
34dc7c2f 1098 case 'o':
a3eeab2d 1099 if (!parseprop(props, optarg))
34dc7c2f 1100 goto error;
34dc7c2f
BB		 1101 break;
1102 case 's':
1103 noreserve = B_TRUE;
1104 break;
4b6e2a5a
RM		 1105 case 'u':
1106 nomount = B_TRUE;
1107 break;
d45d7f08
MG		 1108 case 'v':
1109 verbose = B_TRUE;
1110 break;
34dc7c2f
BB		 1111 case ':':
1112 (void) fprintf(stderr, gettext("missing size "
1113 "argument\n"));
1114 goto badusage;
34dc7c2f
BB		 1115 case '?':
1116 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1117 optopt);
1118 goto badusage;
1119 }
1120 }
1121
1122 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
1123 (void) fprintf(stderr, gettext("'-s' and '-b' can only be "
1124 "used when creating a volume\n"));
1125 goto badusage;
1126 }
4b6e2a5a
RM		 1127 if (nomount && type != ZFS_TYPE_FILESYSTEM) {
1128 (void) fprintf(stderr, gettext("'-u' can only be "
1129 "used when creating a filesystem\n"));
1130 goto badusage;
1131 }
34dc7c2f
BB		 1132
1133 argc -= optind;
1134 argv += optind;
1135
1136 /* check number of arguments */
1137 if (argc == 0) {
1138 (void) fprintf(stderr, gettext("missing %s argument\n"),
1139 zfs_type_to_name(type));
1140 goto badusage;
1141 }
1142 if (argc > 1) {
1143 (void) fprintf(stderr, gettext("too many arguments\n"));
1144 goto badusage;
1145 }
1146
b2255edc 1147 if (dryrun || type == ZFS_TYPE_VOLUME) {
d45d7f08 1148 char msg[ZFS_MAX_DATASET_NAME_LEN * 2];
34dc7c2f 1149 char *p;
34dc7c2f 1150
648a09ad 1151 if ((p = strchr(argv[0], '/')) != NULL)
34dc7c2f
BB		 1152 *p = '\0';
1153 zpool_handle = zpool_open(g_zfs, argv[0]);
1154 if (p != NULL)
1155 *p = '/';
1156 if (zpool_handle == NULL)
1157 goto error;
59d4c71c
GW		 1158
1159 (void) snprintf(msg, sizeof (msg),
d45d7f08 1160 dryrun ? gettext("cannot verify '%s'") :
59d4c71c
GW		 1161 gettext("cannot create '%s'"), argv[0]);
1162 if (props && (real_props = zfs_valid_proplist(g_zfs, type,
b5256303 1163 props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) {
82f6f6e6 1164 zpool_close(zpool_handle);
59d4c71c 1165 goto error;
82f6f6e6 1166 }
d45d7f08
MG		 1167 }
1168
47c9299f 1169 if (type == ZFS_TYPE_VOLUME) {
b2255edc
BB		 1170 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
1171 uint64_t volblocksize = default_volblocksize(zpool_handle,
1172 real_props);
47c9299f 1173
b2255edc
BB		 1174 if (volblocksize != ZVOL_DEFAULT_BLOCKSIZE &&
1175 nvlist_lookup_string(props, prop, &strval) != 0) {
1176 if (asprintf(&strval, "%llu",
1177 (u_longlong_t)volblocksize) == -1)
1178 nomem();
1179 nvlist_add_string(props, prop, strval);
1180 free(strval);
1181 }
47c9299f 1182
b2255edc
BB		 1183 /*
1184 * If volsize is not a multiple of volblocksize, round it
1185 * up to the nearest multiple of the volblocksize.
1186 */
47c9299f
AJ		 1187 if (volsize % volblocksize) {
1188 volsize = P2ROUNDUP_TYPED(volsize, volblocksize,
1189 uint64_t);
1190
1191 if (nvlist_add_uint64(props,
1192 zfs_prop_to_name(ZFS_PROP_VOLSIZE), volsize) != 0) {
1193 nvlist_free(props);
1194 nomem();
1195 }
1196 }
1197 }
1198
d45d7f08
MG		 1199 if (type == ZFS_TYPE_VOLUME && !noreserve) {
1200 uint64_t spa_version;
1201 zfs_prop_t resv_prop;
d45d7f08
MG		 1202
1203 spa_version = zpool_get_prop_int(zpool_handle,
1204 ZPOOL_PROP_VERSION, NULL);
1205 if (spa_version >= SPA_VERSION_REFRESERVATION)
1206 resv_prop = ZFS_PROP_REFRESERVATION;
1207 else
1208 resv_prop = ZFS_PROP_RESERVATION;
59d4c71c 1209
341166c8
MG		 1210 volsize = zvol_volsize_to_reservation(zpool_handle, volsize,
1211 real_props);
34dc7c2f
BB		 1212
1213 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
1214 &strval) != 0) {
1215 if (nvlist_add_uint64(props,
1216 zfs_prop_to_name(resv_prop), volsize) != 0) {
34dc7c2f 1217 nvlist_free(props);
428870ff 1218 nomem();
34dc7c2f
BB		 1219 }
1220 }
1221 }
d45d7f08
MG		 1222 if (zpool_handle != NULL) {
1223 zpool_close(zpool_handle);
1224 nvlist_free(real_props);
1225 }
34dc7c2f
BB		 1226
1227 if (parents && zfs_name_valid(argv[0], type)) {
1228 /*
1229 * Now create the ancestors of target dataset. If the target
1230 * already exists and '-p' option was used we should not
1231 * complain.
1232 */
1233 if (zfs_dataset_exists(g_zfs, argv[0], type)) {
1234 ret = 0;
1235 goto error;
1236 }
d45d7f08
MG		 1237 if (verbose) {
1238 (void) printf(parseable ? "create_ancestors\t%s\n" :
1239 dryrun ? "would create ancestors of %s\n" :
1240 "create ancestors of %s\n", argv[0]);
1241 }
1242 if (!dryrun) {
1243 if (zfs_create_ancestors(g_zfs, argv[0]) != 0) {
1244 goto error;
1245 }
1246 }
1247 }
1248
1249 if (verbose) {
1250 nvpair_t *nvp = NULL;
1251 (void) printf(parseable ? "create\t%s\n" :
1252 dryrun ? "would create %s\n" : "create %s\n", argv[0]);
1253 while ((nvp = nvlist_next_nvpair(props, nvp)) != NULL) {
1254 uint64_t uval;
1255 char *sval;
1256
1257 switch (nvpair_type(nvp)) {
1258 case DATA_TYPE_UINT64:
1259 VERIFY0(nvpair_value_uint64(nvp, &uval));
1260 (void) printf(parseable ?
1261 "property\t%s\t%llu\n" : "\t%s=%llu\n",
1262 nvpair_name(nvp), (u_longlong_t)uval);
1263 break;
1264 case DATA_TYPE_STRING:
1265 VERIFY0(nvpair_value_string(nvp, &sval));
1266 (void) printf(parseable ?
1267 "property\t%s\t%s\n" : "\t%s=%s\n",
1268 nvpair_name(nvp), sval);
1269 break;
1270 default:
1271 (void) fprintf(stderr, "property '%s' "
1272 "has illegal type %d\n",
1273 nvpair_name(nvp), nvpair_type(nvp));
1274 abort();
1275 }
1276 }
1277 }
1278 if (dryrun) {
1279 ret = 0;
1280 goto error;
34dc7c2f
BB		 1281 }
1282
1283 /* pass to libzfs */
1284 if (zfs_create(g_zfs, argv[0], type, props) != 0)
1285 goto error;
1286
fb8e608d
TC		 1287 if (log_history) {
1288 (void) zpool_log_history(g_zfs, history_str);
1289 log_history = B_FALSE;
1290 }
1291
4b6e2a5a
RM		 1292 if (nomount) {
1293 ret = 0;
1294 goto error;
1295 }
1296
5d6a4603 1297 ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET);
34dc7c2f 1298error:
34dc7c2f
BB		 1299 nvlist_free(props);
1300 return (ret);
1301badusage:
1302 nvlist_free(props);
1303 usage(B_FALSE);
1304 return (2);
1305}
1306
1307/*
428870ff
BB		 1308 * zfs destroy [-rRf] <fs, vol>
1309 * zfs destroy [-rRd] <snap>
34dc7c2f 1310 *
428870ff
BB		 1311 * -r Recursively destroy all children
1312 * -R Recursively destroy all dependents, including clones
1313 * -f Force unmounting of any dependents
45d1cae3 1314 * -d If we can't destroy now, mark for deferred destruction
34dc7c2f
BB		 1315 *
1316 * Destroys the given dataset. By default, it will unmount any filesystems,
1317 * and refuse to destroy a dataset that has any dependents. A dependent can
1318 * either be a child, or a clone of a child.
1319 */
1320typedef struct destroy_cbdata {
1321 boolean_t cb_first;
330d06f9
MA		 1322 boolean_t cb_force;
1323 boolean_t cb_recurse;
1324 boolean_t cb_error;
1325 boolean_t cb_doclones;
34dc7c2f 1326 zfs_handle_t *cb_target;
45d1cae3 1327 boolean_t cb_defer_destroy;
330d06f9
MA		 1328 boolean_t cb_verbose;
1329 boolean_t cb_parsable;
1330 boolean_t cb_dryrun;
1331 nvlist_t *cb_nvl;
13fe0198 1332 nvlist_t *cb_batchedsnaps;
330d06f9
MA		 1333
1334 /* first snap in contiguous run */
6f1ffb06 1335 char *cb_firstsnap;
330d06f9 1336 /* previous snap in contiguous run */
6f1ffb06 1337 char *cb_prevsnap;
330d06f9
MA		 1338 int64_t cb_snapused;
1339 char *cb_snapspec;
da536844 1340 char *cb_bookmark;
83362e8e 1341 uint64_t cb_snap_count;
34dc7c2f
BB		 1342} destroy_cbdata_t;
1343
1344/*
1345 * Check for any dependents based on the '-r' or '-R' flags.
1346 */
1347static int
1348destroy_check_dependent(zfs_handle_t *zhp, void *data)
1349{
1350 destroy_cbdata_t *cbp = data;
1351 const char *tname = zfs_get_name(cbp->cb_target);
1352 const char *name = zfs_get_name(zhp);
1353
1354 if (strncmp(tname, name, strlen(tname)) == 0 &&
1355 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
1356 /*
1357 * This is a direct descendant, not a clone somewhere else in
1358 * the hierarchy.
1359 */
1360 if (cbp->cb_recurse)
1361 goto out;
1362
1363 if (cbp->cb_first) {
1364 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1365 "%s has children\n"),
1366 zfs_get_name(cbp->cb_target),
1367 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1368 (void) fprintf(stderr, gettext("use '-r' to destroy "
1369 "the following datasets:\n"));
1370 cbp->cb_first = B_FALSE;
330d06f9 1371 cbp->cb_error = B_TRUE;
34dc7c2f
BB		 1372 }
1373
1374 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1375 } else {
1376 /*
1377 * This is a clone. We only want to report this if the '-r'
1378 * wasn't specified, or the target is a snapshot.
1379 */
1380 if (!cbp->cb_recurse &&
1381 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
1382 goto out;
1383
1384 if (cbp->cb_first) {
1385 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1386 "%s has dependent clones\n"),
1387 zfs_get_name(cbp->cb_target),
1388 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1389 (void) fprintf(stderr, gettext("use '-R' to destroy "
1390 "the following datasets:\n"));
1391 cbp->cb_first = B_FALSE;
330d06f9
MA		 1392 cbp->cb_error = B_TRUE;
1393 cbp->cb_dryrun = B_TRUE;
34dc7c2f
BB		 1394 }
1395
1396 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1397 }
1398
1399out:
1400 zfs_close(zhp);
1401 return (0);
1402}
1403
83362e8e
PZ		 1404static int
1405destroy_batched(destroy_cbdata_t *cb)
1406{
1407 int error = zfs_destroy_snaps_nvl(g_zfs,
1408 cb->cb_batchedsnaps, B_FALSE);
1409 fnvlist_free(cb->cb_batchedsnaps);
1410 cb->cb_batchedsnaps = fnvlist_alloc();
1411 return (error);
1412}
1413
34dc7c2f
BB		 1414static int
1415destroy_callback(zfs_handle_t *zhp, void *data)
1416{
330d06f9
MA		 1417 destroy_cbdata_t *cb = data;
1418 const char *name = zfs_get_name(zhp);
83362e8e 1419 int error;
330d06f9
MA		 1420
1421 if (cb->cb_verbose) {
1422 if (cb->cb_parsable) {
1423 (void) printf("destroy\t%s\n", name);
1424 } else if (cb->cb_dryrun) {
1425 (void) printf(gettext("would destroy %s\n"),
1426 name);
1427 } else {
1428 (void) printf(gettext("will destroy %s\n"),
1429 name);
1430 }
1431 }
34dc7c2f
BB		 1432
1433 /*
1434 * Ignore pools (which we've already flagged as an error before getting
428870ff 1435 * here).
34dc7c2f
BB		 1436 */
1437 if (strchr(zfs_get_name(zhp), '/') == NULL &&
1438 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1439 zfs_close(zhp);
1440 return (0);
1441 }
13fe0198
MA		 1442 if (cb->cb_dryrun) {
1443 zfs_close(zhp);
1444 return (0);
1445 }
1446
1447 /*
1448 * We batch up all contiguous snapshots (even of different
1449 * filesystems) and destroy them with one ioctl. We can't
1450 * simply do all snap deletions and then all fs deletions,
1451 * because we must delete a clone before its origin.
1452 */
1453 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
83362e8e 1454 cb->cb_snap_count++;
13fe0198 1455 fnvlist_add_boolean(cb->cb_batchedsnaps, name);
6a42939f 1456 if (cb->cb_snap_count % 10 == 0 && cb->cb_defer_destroy) {
83362e8e 1457 error = destroy_batched(cb);
6a42939f
RY		 1458 if (error != 0) {
1459 zfs_close(zhp);
1460 return (-1);
1461 }
1462 }
13fe0198 1463 } else {
83362e8e 1464 error = destroy_batched(cb);
13fe0198
MA		 1465 if (error != 0 ||
1466 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
330d06f9
MA		 1467 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
1468 zfs_close(zhp);
6969afce
AP		 1469 /*
1470 * When performing a recursive destroy we ignore errors
1471 * so that the recursive destroy could continue
1472 * destroying past problem datasets
1473 */
1474 if (cb->cb_recurse) {
1475 cb->cb_error = B_TRUE;
1476 return (0);
1477 }
330d06f9
MA		 1478 return (-1);
1479 }
34dc7c2f
BB		 1480 }
1481
1482 zfs_close(zhp);
1483 return (0);
1484}
1485
1486static int
330d06f9 1487destroy_print_cb(zfs_handle_t *zhp, void *arg)
34dc7c2f 1488{
330d06f9
MA		 1489 destroy_cbdata_t *cb = arg;
1490 const char *name = zfs_get_name(zhp);
1491 int err = 0;
1492
1493 if (nvlist_exists(cb->cb_nvl, name)) {
1494 if (cb->cb_firstsnap == NULL)
6f1ffb06 1495 cb->cb_firstsnap = strdup(name);
330d06f9 1496 if (cb->cb_prevsnap != NULL)
6f1ffb06 1497 free(cb->cb_prevsnap);
330d06f9 1498 /* this snap continues the current range */
6f1ffb06
MA		 1499 cb->cb_prevsnap = strdup(name);
1500 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
1501 nomem();
330d06f9
MA		 1502 if (cb->cb_verbose) {
1503 if (cb->cb_parsable) {
1504 (void) printf("destroy\t%s\n", name);
1505 } else if (cb->cb_dryrun) {
1506 (void) printf(gettext("would destroy %s\n"),
1507 name);
1508 } else {
1509 (void) printf(gettext("will destroy %s\n"),
1510 name);
1511 }
34dc7c2f 1512 }
330d06f9
MA		 1513 } else if (cb->cb_firstsnap != NULL) {
1514 /* end of this range */
1515 uint64_t used = 0;
6f1ffb06 1516 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1517 cb->cb_prevsnap, &used);
1518 cb->cb_snapused += used;
6f1ffb06 1519 free(cb->cb_firstsnap);
330d06f9 1520 cb->cb_firstsnap = NULL;
6f1ffb06 1521 free(cb->cb_prevsnap);
330d06f9 1522 cb->cb_prevsnap = NULL;
34dc7c2f 1523 }
330d06f9
MA		 1524 zfs_close(zhp);
1525 return (err);
1526}
34dc7c2f 1527
330d06f9
MA		 1528static int
1529destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
1530{
1531 int err;
1532 assert(cb->cb_firstsnap == NULL);
1533 assert(cb->cb_prevsnap == NULL);
399b9819 1534 err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb, 0, 0);
330d06f9
MA		 1535 if (cb->cb_firstsnap != NULL) {
1536 uint64_t used = 0;
1537 if (err == 0) {
6f1ffb06 1538 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1539 cb->cb_prevsnap, &used);
1540 }
1541 cb->cb_snapused += used;
6f1ffb06 1542 free(cb->cb_firstsnap);
330d06f9 1543 cb->cb_firstsnap = NULL;
6f1ffb06 1544 free(cb->cb_prevsnap);
330d06f9
MA		 1545 cb->cb_prevsnap = NULL;
1546 }
1547 return (err);
1548}
1549
1550static int
1551snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
1552{
1553 destroy_cbdata_t *cb = arg;
1554 int err = 0;
1555
1556 /* Check for clones. */
e956d651 1557 if (!cb->cb_doclones && !cb->cb_defer_destroy) {
330d06f9
MA		 1558 cb->cb_target = zhp;
1559 cb->cb_first = B_TRUE;
399b9819 1560 err = zfs_iter_dependents(zhp, B_TRUE,
330d06f9
MA		 1561 destroy_check_dependent, cb);
1562 }
1563
1564 if (err == 0) {
1565 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
1566 nomem();
1567 }
1568 zfs_close(zhp);
1569 return (err);
1570}
1571
1572static int
1573gather_snapshots(zfs_handle_t *zhp, void *arg)
1574{
1575 destroy_cbdata_t *cb = arg;
1576 int err = 0;
1577
399b9819 1578 err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb);
330d06f9
MA		 1579 if (err == ENOENT)
1580 err = 0;
1581 if (err != 0)
1582 goto out;
1583
1584 if (cb->cb_verbose) {
1585 err = destroy_print_snapshots(zhp, cb);
1586 if (err != 0)
1587 goto out;
1588 }
1589
1590 if (cb->cb_recurse)
399b9819 1591 err = zfs_iter_filesystems(zhp, gather_snapshots, cb);
330d06f9
MA		 1592
1593out:
1594 zfs_close(zhp);
1595 return (err);
1596}
1597
1598static int
1599destroy_clones(destroy_cbdata_t *cb)
1600{
1601 nvpair_t *pair;
1602 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
1603 pair != NULL;
1604 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
1605 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
1606 ZFS_TYPE_SNAPSHOT);
1607 if (zhp != NULL) {
1608 boolean_t defer = cb->cb_defer_destroy;
1609 int err;
1610
1611 /*
1612 * We can't defer destroy non-snapshots, so set it to
1613 * false while destroying the clones.
1614 */
1615 cb->cb_defer_destroy = B_FALSE;
399b9819 1616 err = zfs_iter_dependents(zhp, B_FALSE,
330d06f9
MA		 1617 destroy_callback, cb);
1618 cb->cb_defer_destroy = defer;
1619 zfs_close(zhp);
1620 if (err != 0)
1621 return (err);
1622 }
1623 }
1624 return (0);
34dc7c2f
BB		 1625}
1626
1627static int
1628zfs_do_destroy(int argc, char **argv)
1629{
1630 destroy_cbdata_t cb = { 0 };
13fe0198
MA		 1631 int rv = 0;
1632 int err = 0;
34dc7c2f 1633 int c;
13fe0198 1634 zfs_handle_t *zhp = NULL;
da536844 1635 char *at, *pound;
428870ff 1636 zfs_type_t type = ZFS_TYPE_DATASET;
34dc7c2f
BB		 1637
1638 /* check options */
330d06f9 1639 while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
34dc7c2f 1640 switch (c) {
330d06f9
MA		 1641 case 'v':
1642 cb.cb_verbose = B_TRUE;
1643 break;
1644 case 'p':
1645 cb.cb_verbose = B_TRUE;
1646 cb.cb_parsable = B_TRUE;
1647 break;
1648 case 'n':
1649 cb.cb_dryrun = B_TRUE;
1650 break;
45d1cae3
BB		 1651 case 'd':
1652 cb.cb_defer_destroy = B_TRUE;
428870ff 1653 type = ZFS_TYPE_SNAPSHOT;
45d1cae3 1654 break;
34dc7c2f 1655 case 'f':
330d06f9 1656 cb.cb_force = B_TRUE;
34dc7c2f
BB		 1657 break;
1658 case 'r':
330d06f9 1659 cb.cb_recurse = B_TRUE;
34dc7c2f
BB		 1660 break;
1661 case 'R':
330d06f9
MA		 1662 cb.cb_recurse = B_TRUE;
1663 cb.cb_doclones = B_TRUE;
34dc7c2f
BB		 1664 break;
1665 case '?':
1666 default:
1667 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1668 optopt);
1669 usage(B_FALSE);
1670 }
1671 }
1672
1673 argc -= optind;
1674 argv += optind;
1675
1676 /* check number of arguments */
1677 if (argc == 0) {
330d06f9 1678 (void) fprintf(stderr, gettext("missing dataset argument\n"));
34dc7c2f
BB		 1679 usage(B_FALSE);
1680 }
1681 if (argc > 1) {
1682 (void) fprintf(stderr, gettext("too many arguments\n"));
1683 usage(B_FALSE);
1684 }
1685
330d06f9 1686 at = strchr(argv[0], '@');
da536844 1687 pound = strchr(argv[0], '#');
330d06f9 1688 if (at != NULL) {
34dc7c2f 1689
330d06f9 1690 /* Build the list of snaps to destroy in cb_nvl. */
13fe0198 1691 cb.cb_nvl = fnvlist_alloc();
330d06f9
MA		 1692
1693 *at = '\0';
1694 zhp = zfs_open(g_zfs, argv[0],
1695 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 1696 if (zhp == NULL) {
1697 nvlist_free(cb.cb_nvl);
34dc7c2f 1698 return (1);
a425f5bf 1699 }
34dc7c2f 1700
330d06f9
MA		 1701 cb.cb_snapspec = at + 1;
1702 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
1703 cb.cb_error) {
13fe0198
MA		 1704 rv = 1;
1705 goto out;
330d06f9 1706 }
428870ff 1707
330d06f9
MA		 1708 if (nvlist_empty(cb.cb_nvl)) {
1709 (void) fprintf(stderr, gettext("could not find any "
1710 "snapshots to destroy; check snapshot names.\n"));
13fe0198
MA		 1711 rv = 1;
1712 goto out;
330d06f9
MA		 1713 }
1714
1715 if (cb.cb_verbose) {
1716 char buf[16];
e7fbeb60 1717 zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf));
330d06f9
MA		 1718 if (cb.cb_parsable) {
1719 (void) printf("reclaim\t%llu\n",
1720 (u_longlong_t)cb.cb_snapused);
1721 } else if (cb.cb_dryrun) {
1722 (void) printf(gettext("would reclaim %s\n"),
1723 buf);
1724 } else {
1725 (void) printf(gettext("will reclaim %s\n"),
1726 buf);
34dc7c2f
BB		 1727 }
1728 }
1729
330d06f9 1730 if (!cb.cb_dryrun) {
13fe0198
MA		 1731 if (cb.cb_doclones) {
1732 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9 1733 err = destroy_clones(&cb);
13fe0198
MA		 1734 if (err == 0) {
1735 err = zfs_destroy_snaps_nvl(g_zfs,
1736 cb.cb_batchedsnaps, B_FALSE);
1737 }
1738 if (err != 0) {
1739 rv = 1;
1740 goto out;
1741 }
1742 }
330d06f9 1743 if (err == 0) {
13fe0198 1744 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
330d06f9
MA		 1745 cb.cb_defer_destroy);
1746 }
34dc7c2f 1747 }
34dc7c2f 1748
330d06f9 1749 if (err != 0)
13fe0198 1750 rv = 1;
da536844
MA		 1751 } else if (pound != NULL) {
1752 int err;
1753 nvlist_t *nvl;
1754
1755 if (cb.cb_dryrun) {
1756 (void) fprintf(stderr,
1757 "dryrun is not supported with bookmark\n");
1758 return (-1);
1759 }
1760
1761 if (cb.cb_defer_destroy) {
1762 (void) fprintf(stderr,
1763 "defer destroy is not supported with bookmark\n");
1764 return (-1);
1765 }
1766
1767 if (cb.cb_recurse) {
1768 (void) fprintf(stderr,
1769 "recursive is not supported with bookmark\n");
1770 return (-1);
1771 }
1772
30af21b0
PD		 1773 /*
1774 * Unfortunately, zfs_bookmark() doesn't honor the
1775 * casesensitivity setting. However, we can't simply
1776 * remove this check, because lzc_destroy_bookmarks()
1777 * ignores non-existent bookmarks, so this is necessary
1778 * to get a proper error message.
1779 */
da536844
MA		 1780 if (!zfs_bookmark_exists(argv[0])) {
1781 (void) fprintf(stderr, gettext("bookmark '%s' "
1782 "does not exist.\n"), argv[0]);
1783 return (1);
1784 }
1785
1786 nvl = fnvlist_alloc();
1787 fnvlist_add_boolean(nvl, argv[0]);
1788
1789 err = lzc_destroy_bookmarks(nvl, NULL);
1790 if (err != 0) {
1791 (void) zfs_standard_error(g_zfs, err,
1792 "cannot destroy bookmark");
1793 }
1794
a425f5bf 1795 nvlist_free(nvl);
da536844
MA		 1796
1797 return (err);
330d06f9
MA		 1798 } else {
1799 /* Open the given dataset */
1800 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
1801 return (1);
34dc7c2f 1802
330d06f9 1803 cb.cb_target = zhp;
34dc7c2f 1804
330d06f9
MA		 1805 /*
1806 * Perform an explicit check for pools before going any further.
1807 */
1808 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
1809 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1810 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1811 "operation does not apply to pools\n"),
1812 zfs_get_name(zhp));
1813 (void) fprintf(stderr, gettext("use 'zfs destroy -r "
1814 "%s' to destroy all datasets in the pool\n"),
1815 zfs_get_name(zhp));
1816 (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
1817 "to destroy the pool itself\n"), zfs_get_name(zhp));
13fe0198
MA		 1818 rv = 1;
1819 goto out;
330d06f9 1820 }
34dc7c2f 1821
330d06f9
MA		 1822 /*
1823 * Check for any dependents and/or clones.
1824 */
1825 cb.cb_first = B_TRUE;
1826 if (!cb.cb_doclones &&
399b9819 1827 zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
330d06f9 1828 &cb) != 0) {
13fe0198
MA		 1829 rv = 1;
1830 goto out;
330d06f9 1831 }
34dc7c2f 1832
330d06f9 1833 if (cb.cb_error) {
13fe0198
MA		 1834 rv = 1;
1835 goto out;
330d06f9 1836 }
13fe0198 1837 cb.cb_batchedsnaps = fnvlist_alloc();
399b9819 1838 if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback,
330d06f9 1839 &cb) != 0) {
13fe0198
MA		 1840 rv = 1;
1841 goto out;
330d06f9 1842 }
34dc7c2f 1843
330d06f9
MA		 1844 /*
1845 * Do the real thing. The callback will close the
1846 * handle regardless of whether it succeeds or not.
1847 */
13fe0198
MA		 1848 err = destroy_callback(zhp, &cb);
1849 zhp = NULL;
1850 if (err == 0) {
1851 err = zfs_destroy_snaps_nvl(g_zfs,
1852 cb.cb_batchedsnaps, cb.cb_defer_destroy);
1853 }
6969afce 1854 if (err != 0 || cb.cb_error == B_TRUE)
13fe0198 1855 rv = 1;
330d06f9 1856 }
34dc7c2f 1857
13fe0198
MA		 1858out:
1859 fnvlist_free(cb.cb_batchedsnaps);
1860 fnvlist_free(cb.cb_nvl);
1861 if (zhp != NULL)
1862 zfs_close(zhp);
1863 return (rv);
34dc7c2f
BB		 1864}
1865
428870ff
BB		 1866static boolean_t
1867is_recvd_column(zprop_get_cbdata_t *cbp)
1868{
1869 int i;
1870 zfs_get_column_t col;
1871
1872 for (i = 0; i < ZFS_GET_NCOLS &&
1873 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
1874 if (col == GET_COL_RECVD)
1875 return (B_TRUE);
1876 return (B_FALSE);
1877}
1878
34dc7c2f 1879/*
428870ff
BB		 1880 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1881 * < all | property[,property]... > < fs | snap | vol > ...
34dc7c2f
BB		 1882 *
1883 * -r recurse over any child datasets
1884 * -H scripted mode. Headers are stripped, and fields are separated
1885 * by tabs instead of spaces.
428870ff
BB		 1886 * -o Set of fields to display. One of "name,property,value,
1887 * received,source". Default is "name,property,value,source".
1888 * "all" is an alias for all five.
34dc7c2f 1889 * -s Set of sources to allow. One of
428870ff
BB		 1890 * "local,default,inherited,received,temporary,none". Default is
1891 * all six.
34dc7c2f
BB		 1892 * -p Display values in parsable (literal) format.
1893 *
1894 * Prints properties for the given datasets. The user can control which
1895 * columns to display as well as which property types to allow.
1896 */
1897
1898/*
1899 * Invoked to display the properties for a single dataset.
1900 */
1901static int
1902get_callback(zfs_handle_t *zhp, void *data)
1903{
1904 char buf[ZFS_MAXPROPLEN];
428870ff 1905 char rbuf[ZFS_MAXPROPLEN];
610cb4fb 1906 zprop_source_t sourcetype;
eca7b760 1907 char source[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 1908 zprop_get_cbdata_t *cbp = data;
428870ff 1909 nvlist_t *user_props = zfs_get_user_props(zhp);
34dc7c2f
BB		 1910 zprop_list_t *pl = cbp->cb_proplist;
1911 nvlist_t *propval;
a926aab9
AZ		 1912 const char *strval;
1913 const char *sourceval;
428870ff 1914 boolean_t received = is_recvd_column(cbp);
34dc7c2f
BB		 1915
1916 for (; pl != NULL; pl = pl->pl_next) {
428870ff 1917 char *recvdval = NULL;
34dc7c2f
BB		 1918 /*
1919 * Skip the special fake placeholder. This will also skip over
1920 * the name property when 'all' is specified.
1921 */
1922 if (pl->pl_prop == ZFS_PROP_NAME &&
1923 pl == cbp->cb_proplist)
1924 continue;
1925
4ff7a8fa 1926 if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f
BB		 1927 if (zfs_prop_get(zhp, pl->pl_prop, buf,
1928 sizeof (buf), &sourcetype, source,
1929 sizeof (source),
1930 cbp->cb_literal) != 0) {
1931 if (pl->pl_all)
1932 continue;
1933 if (!zfs_prop_valid_for_type(pl->pl_prop,
962d5242 1934 ZFS_TYPE_DATASET, B_FALSE)) {
34dc7c2f
BB		 1935 (void) fprintf(stderr,
1936 gettext("No such property '%s'\n"),
1937 zfs_prop_to_name(pl->pl_prop));
1938 continue;
1939 }
1940 sourcetype = ZPROP_SRC_NONE;
1941 (void) strlcpy(buf, "-", sizeof (buf));
1942 }
1943
428870ff
BB		 1944 if (received && (zfs_prop_get_recvd(zhp,
1945 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
1946 cbp->cb_literal) == 0))
1947 recvdval = rbuf;
1948
34dc7c2f
BB		 1949 zprop_print_one_property(zfs_get_name(zhp), cbp,
1950 zfs_prop_to_name(pl->pl_prop),
428870ff 1951 buf, sourcetype, source, recvdval);
9babb374
BB		 1952 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
1953 sourcetype = ZPROP_SRC_LOCAL;
1954
1955 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
1956 buf, sizeof (buf), cbp->cb_literal) != 0) {
1957 sourcetype = ZPROP_SRC_NONE;
1958 (void) strlcpy(buf, "-", sizeof (buf));
1959 }
1960
330d06f9
MA		 1961 zprop_print_one_property(zfs_get_name(zhp), cbp,
1962 pl->pl_user_prop, buf, sourcetype, source, NULL);
1963 } else if (zfs_prop_written(pl->pl_user_prop)) {
1964 sourcetype = ZPROP_SRC_LOCAL;
1965
1966 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
1967 buf, sizeof (buf), cbp->cb_literal) != 0) {
1968 sourcetype = ZPROP_SRC_NONE;
1969 (void) strlcpy(buf, "-", sizeof (buf));
1970 }
1971
9babb374 1972 zprop_print_one_property(zfs_get_name(zhp), cbp,
428870ff 1973 pl->pl_user_prop, buf, sourcetype, source, NULL);
34dc7c2f 1974 } else {
428870ff 1975 if (nvlist_lookup_nvlist(user_props,
34dc7c2f
BB		 1976 pl->pl_user_prop, &propval) != 0) {
1977 if (pl->pl_all)
1978 continue;
1979 sourcetype = ZPROP_SRC_NONE;
1980 strval = "-";
1981 } else {
a926aab9
AZ		 1982 strval = fnvlist_lookup_string(propval,
1983 ZPROP_VALUE);
1984 sourceval = fnvlist_lookup_string(propval,
1985 ZPROP_SOURCE);
34dc7c2f
BB		 1986
1987 if (strcmp(sourceval,
1988 zfs_get_name(zhp)) == 0) {
1989 sourcetype = ZPROP_SRC_LOCAL;
428870ff
BB		 1990 } else if (strcmp(sourceval,
1991 ZPROP_SOURCE_VAL_RECVD) == 0) {
1992 sourcetype = ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1993 } else {
1994 sourcetype = ZPROP_SRC_INHERITED;
1995 (void) strlcpy(source,
1996 sourceval, sizeof (source));
1997 }
1998 }
1999
428870ff
BB		 2000 if (received && (zfs_prop_get_recvd(zhp,
2001 pl->pl_user_prop, rbuf, sizeof (rbuf),
2002 cbp->cb_literal) == 0))
2003 recvdval = rbuf;
2004
34dc7c2f
BB		 2005 zprop_print_one_property(zfs_get_name(zhp), cbp,
2006 pl->pl_user_prop, strval, sourcetype,
428870ff 2007 source, recvdval);
34dc7c2f
BB		 2008 }
2009 }
2010
2011 return (0);
2012}
2013
2014static int
2015zfs_do_get(int argc, char **argv)
2016{
2017 zprop_get_cbdata_t cb = { 0 };
bb939d10 2018 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
aeacdefe 2019 int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK;
46952300 2020 char *fields;
ad60af8e 2021 int ret = 0;
9babb374 2022 int limit = 0;
34dc7c2f
BB		 2023 zprop_list_t fake_name = { 0 };
2024
2025 /*
2026 * Set up default columns and sources.
2027 */
2028 cb.cb_sources = ZPROP_SRC_ALL;
2029 cb.cb_columns[0] = GET_COL_NAME;
2030 cb.cb_columns[1] = GET_COL_PROPERTY;
2031 cb.cb_columns[2] = GET_COL_VALUE;
2032 cb.cb_columns[3] = GET_COL_SOURCE;
2033 cb.cb_type = ZFS_TYPE_DATASET;
2034
2035 /* check options */
e346ec25 2036 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
34dc7c2f
BB		 2037 switch (c) {
2038 case 'p':
2039 cb.cb_literal = B_TRUE;
2040 break;
9babb374
BB		 2041 case 'd':
2042 limit = parse_depth(optarg, &flags);
2043 break;
34dc7c2f 2044 case 'r':
b128c09f 2045 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2046 break;
2047 case 'H':
2048 cb.cb_scripted = B_TRUE;
2049 break;
2050 case ':':
2051 (void) fprintf(stderr, gettext("missing argument for "
2052 "'%c' option\n"), optopt);
2053 usage(B_FALSE);
2054 break;
2055 case 'o':
2056 /*
2057 * Process the set of columns to display. We zero out
2058 * the structure to give us a blank slate.
2059 */
861166b0 2060 memset(&cb.cb_columns, 0, sizeof (cb.cb_columns));
7c17e82c 2061
34dc7c2f 2062 i = 0;
7c17e82c
AZ		 2063 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2064 static const char *const col_subopts[] =
2065 { "name", "property", "value",
2066 "received", "source", "all" };
2067 static const zfs_get_column_t col_subopt_col[] =
2068 { GET_COL_NAME, GET_COL_PROPERTY, GET_COL_VALUE,
2069 GET_COL_RECVD, GET_COL_SOURCE };
2070 static const int col_subopt_flags[] =
2071 { 0, 0, 0, ZFS_ITER_RECVD_PROPS, 0 };
34dc7c2f 2072
428870ff 2073 if (i == ZFS_GET_NCOLS) {
34dc7c2f
BB		 2074 (void) fprintf(stderr, gettext("too "
2075 "many fields given to -o "
2076 "option\n"));
2077 usage(B_FALSE);
2078 }
2079
7c17e82c
AZ		 2080 for (c = 0; c < ARRAY_SIZE(col_subopts); ++c)
2081 if (strcmp(tok, col_subopts[c]) == 0)
2082 goto found;
2083
2084 (void) fprintf(stderr,
2085 gettext("invalid column name '%s'\n"), tok);
2086 usage(B_FALSE);
2087
2088found:
2089 if (c >= 5) {
428870ff
BB		 2090 if (i > 0) {
2091 (void) fprintf(stderr,
2092 gettext("\"all\" conflicts "
2093 "with specific fields "
2094 "given to -o option\n"));
2095 usage(B_FALSE);
2096 }
7c17e82c
AZ		 2097
2098 memcpy(cb.cb_columns, col_subopt_col,
2099 sizeof (col_subopt_col));
428870ff
BB		 2100 flags |= ZFS_ITER_RECVD_PROPS;
2101 i = ZFS_GET_NCOLS;
7c17e82c
AZ		 2102 } else {
2103 cb.cb_columns[i++] = col_subopt_col[c];
2104 flags |= col_subopt_flags[c];
34dc7c2f
BB		 2105 }
2106 }
2107 break;
2108
2109 case 's':
2110 cb.cb_sources = 0;
34dc7c2f 2111
7867f430
AZ		 2112 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2113 static const char *const source_opt[] = {
2114 "local", "default",
2115 "inherited", "received",
2116 "temporary", "none" };
2117 static const int source_flg[] = {
2118 ZPROP_SRC_LOCAL, ZPROP_SRC_DEFAULT,
2119 ZPROP_SRC_INHERITED, ZPROP_SRC_RECEIVED,
2120 ZPROP_SRC_TEMPORARY, ZPROP_SRC_NONE };
2121
2122 for (i = 0; i < ARRAY_SIZE(source_opt); ++i)
2123 if (strcmp(tok, source_opt[i]) == 0) {
2124 cb.cb_sources |= source_flg[i];
2125 goto found2;
2126 }
2127
2128 (void) fprintf(stderr,
2129 gettext("invalid source '%s'\n"), tok);
2130 usage(B_FALSE);
2131found2:;
34dc7c2f
BB		 2132 }
2133 break;
2134
e346ec25
AS		 2135 case 't':
2136 types = 0;
2137 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
46952300
AZ		 2138
2139 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2140 static const char *const type_opts[] = {
2141 "filesystem", "volume",
2142 "snapshot", "snap",
2143 "bookmark",
2144 "all" };
2145 static const int type_types[] = {
2146 ZFS_TYPE_FILESYSTEM, ZFS_TYPE_VOLUME,
2147 ZFS_TYPE_SNAPSHOT, ZFS_TYPE_SNAPSHOT,
2148 ZFS_TYPE_BOOKMARK,
2149 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK };
2150
2151 for (i = 0; i < ARRAY_SIZE(type_opts); ++i)
2152 if (strcmp(tok, type_opts[i]) == 0) {
2153 types |= type_types[i];
2154 goto found3;
2155 }
2156
2157 (void) fprintf(stderr,
2158 gettext("invalid type '%s'\n"), tok);
2159 usage(B_FALSE);
2160found3:;
e346ec25
AS		 2161 }
2162 break;
2163
34dc7c2f
BB		 2164 case '?':
2165 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2166 optopt);
2167 usage(B_FALSE);
2168 }
2169 }
2170
2171 argc -= optind;
2172 argv += optind;
2173
2174 if (argc < 1) {
2175 (void) fprintf(stderr, gettext("missing property "
2176 "argument\n"));
2177 usage(B_FALSE);
2178 }
2179
2180 fields = argv[0];
2181
df583073 2182 /*
8221bcf1
I		 2183 * Handle users who want to get all snapshots or bookmarks
2184 * of a dataset (ex. 'zfs get -t snapshot refer <dataset>').
df583073 2185 */
8221bcf1
I		 2186 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
2187 argc > 1 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 2188 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
2189 limit = 1;
2190 }
2191
34dc7c2f
BB		 2192 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
2193 != 0)
2194 usage(B_FALSE);
2195
2196 argc--;
2197 argv++;
2198
2199 /*
2200 * As part of zfs_expand_proplist(), we keep track of the maximum column
2201 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
2202 * need to know the maximum name length. However, the user likely did
2203 * not specify 'name' as one of the properties to fetch, so we need to
2204 * make sure we always include at least this property for
2205 * print_get_headers() to work properly.
2206 */
2207 if (cb.cb_proplist != NULL) {
2208 fake_name.pl_prop = ZFS_PROP_NAME;
2209 fake_name.pl_width = strlen(gettext("NAME"));
2210 fake_name.pl_next = cb.cb_proplist;
2211 cb.cb_proplist = &fake_name;
2212 }
2213
2214 cb.cb_first = B_TRUE;
2215
2216 /* run for each object */
e346ec25 2217 ret = zfs_for_each(argc, argv, flags, types, NULL,
9babb374 2218 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 2219
2220 if (cb.cb_proplist == &fake_name)
2221 zprop_free_list(fake_name.pl_next);
2222 else
2223 zprop_free_list(cb.cb_proplist);
2224
2225 return (ret);
2226}
2227
2228/*
428870ff 2229 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 2230 *
428870ff
BB		 2231 * -r Recurse over all children
2232 * -S Revert to received value, if any
34dc7c2f
BB		 2233 *
2234 * For each dataset specified on the command line, inherit the given property
2235 * from its parent. Inheriting a property at the pool level will cause it to
2236 * use the default value. The '-r' flag will recurse over all children, and is
2237 * useful for setting a property on a hierarchy-wide basis, regardless of any
2238 * local modifications for each dataset.
2239 */
2240
428870ff
BB		 2241typedef struct inherit_cbdata {
2242 const char *cb_propname;
2243 boolean_t cb_received;
2244} inherit_cbdata_t;
2245
34dc7c2f 2246static int
b128c09f 2247inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 2248{
428870ff
BB		 2249 inherit_cbdata_t *cb = data;
2250 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 2251
b128c09f
BB		 2252 /*
2253 * If we're doing it recursively, then ignore properties that
2254 * are not valid for this type of dataset.
2255 */
2256 if (prop != ZPROP_INVAL &&
962d5242 2257 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE))
b128c09f
BB		 2258 return (0);
2259
428870ff 2260 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 2261}
2262
2263static int
2264inherit_cb(zfs_handle_t *zhp, void *data)
2265{
428870ff 2266 inherit_cbdata_t *cb = data;
b128c09f 2267
428870ff 2268 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 2269}
2270
2271static int
2272zfs_do_inherit(int argc, char **argv)
2273{
34dc7c2f
BB		 2274 int c;
2275 zfs_prop_t prop;
428870ff 2276 inherit_cbdata_t cb = { 0 };
34dc7c2f 2277 char *propname;
ad60af8e 2278 int ret = 0;
b128c09f 2279 int flags = 0;
428870ff 2280 boolean_t received = B_FALSE;
34dc7c2f
BB		 2281
2282 /* check options */
428870ff 2283 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 2284 switch (c) {
2285 case 'r':
b128c09f 2286 flags |= ZFS_ITER_RECURSE;
34dc7c2f 2287 break;
428870ff
BB		 2288 case 'S':
2289 received = B_TRUE;
2290 break;
34dc7c2f
BB		 2291 case '?':
2292 default:
2293 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2294 optopt);
2295 usage(B_FALSE);
2296 }
2297 }
2298
2299 argc -= optind;
2300 argv += optind;
2301
2302 /* check number of arguments */
2303 if (argc < 1) {
2304 (void) fprintf(stderr, gettext("missing property argument\n"));
2305 usage(B_FALSE);
2306 }
2307 if (argc < 2) {
2308 (void) fprintf(stderr, gettext("missing dataset argument\n"));
2309 usage(B_FALSE);
2310 }
2311
2312 propname = argv[0];
2313 argc--;
2314 argv++;
2315
4ff7a8fa 2316 if ((prop = zfs_name_to_prop(propname)) != ZPROP_USERPROP) {
34dc7c2f
BB		 2317 if (zfs_prop_readonly(prop)) {
2318 (void) fprintf(stderr, gettext(
2319 "%s property is read-only\n"),
2320 propname);
2321 return (1);
2322 }
428870ff 2323 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 2324 (void) fprintf(stderr, gettext("'%s' property cannot "
2325 "be inherited\n"), propname);
2326 if (prop == ZFS_PROP_QUOTA ||
2327 prop == ZFS_PROP_RESERVATION ||
2328 prop == ZFS_PROP_REFQUOTA ||
0bf8501a 2329 prop == ZFS_PROP_REFRESERVATION) {
34dc7c2f
BB		 2330 (void) fprintf(stderr, gettext("use 'zfs set "
2331 "%s=none' to clear\n"), propname);
0bf8501a
PH		 2332 (void) fprintf(stderr, gettext("use 'zfs "
2333 "inherit -S %s' to revert to received "
2334 "value\n"), propname);
2335 }
34dc7c2f
BB		 2336 return (1);
2337 }
428870ff
BB		 2338 if (received && (prop == ZFS_PROP_VOLSIZE ||
2339 prop == ZFS_PROP_VERSION)) {
2340 (void) fprintf(stderr, gettext("'%s' property cannot "
2341 "be reverted to a received value\n"), propname);
2342 return (1);
2343 }
34dc7c2f
BB		 2344 } else if (!zfs_prop_user(propname)) {
2345 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
2346 propname);
2347 usage(B_FALSE);
2348 }
2349
428870ff
BB		 2350 cb.cb_propname = propname;
2351 cb.cb_received = received;
2352
b128c09f
BB		 2353 if (flags & ZFS_ITER_RECURSE) {
2354 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2355 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 2356 } else {
2357 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2358 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 2359 }
34dc7c2f
BB		 2360
2361 return (ret);
2362}
2363
2364typedef struct upgrade_cbdata {
2365 uint64_t cb_numupgraded;
2366 uint64_t cb_numsamegraded;
2367 uint64_t cb_numfailed;
2368 uint64_t cb_version;
2369 boolean_t cb_newer;
2370 boolean_t cb_foundone;
eca7b760 2371 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f
BB		 2372} upgrade_cbdata_t;
2373
2374static int
2375same_pool(zfs_handle_t *zhp, const char *name)
2376{
2377 int len1 = strcspn(name, "/@");
2378 const char *zhname = zfs_get_name(zhp);
2379 int len2 = strcspn(zhname, "/@");
2380
2381 if (len1 != len2)
2382 return (B_FALSE);
2383 return (strncmp(name, zhname, len1) == 0);
2384}
2385
2386static int
2387upgrade_list_callback(zfs_handle_t *zhp, void *data)
2388{
2389 upgrade_cbdata_t *cb = data;
2390 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
2391
2392 /* list if it's old/new */
2393 if ((!cb->cb_newer && version < ZPL_VERSION) ||
2394 (cb->cb_newer && version > ZPL_VERSION)) {
2395 char *str;
2396 if (cb->cb_newer) {
2397 str = gettext("The following filesystems are "
2398 "formatted using a newer software version and\n"
2399 "cannot be accessed on the current system.\n\n");
2400 } else {
2401 str = gettext("The following filesystems are "
2402 "out of date, and can be upgraded. After being\n"
2403 "upgraded, these filesystems (and any 'zfs send' "
2404 "streams generated from\n"
2405 "subsequent snapshots) will no longer be "
2406 "accessible by older software versions.\n\n");
2407 }
2408
2409 if (!cb->cb_foundone) {
2410 (void) puts(str);
2411 (void) printf(gettext("VER FILESYSTEM\n"));
2412 (void) printf(gettext("--- ------------\n"));
2413 cb->cb_foundone = B_TRUE;
2414 }
2415
2416 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
2417 }
2418
2419 return (0);
2420}
2421
2422static int
2423upgrade_set_callback(zfs_handle_t *zhp, void *data)
2424{
2425 upgrade_cbdata_t *cb = data;
2426 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 2427 int needed_spa_version;
2428 int spa_version;
2429
2430 if (zfs_spa_version(zhp, &spa_version) < 0)
2431 return (-1);
2432
2433 needed_spa_version = zfs_spa_version_map(cb->cb_version);
2434
2435 if (needed_spa_version < 0)
2436 return (-1);
2437
2438 if (spa_version < needed_spa_version) {
2439 /* can't upgrade */
2440 (void) printf(gettext("%s: can not be "
2441 "upgraded; the pool version needs to first "
2442 "be upgraded\nto version %d\n\n"),
2443 zfs_get_name(zhp), needed_spa_version);
2444 cb->cb_numfailed++;
2445 return (0);
34dc7c2f
BB		 2446 }
2447
2448 /* upgrade */
2449 if (version < cb->cb_version) {
f11431a3 2450 char verstr[24];
34dc7c2f 2451 (void) snprintf(verstr, sizeof (verstr),
b8864a23 2452 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 2453 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
2454 /*
2455 * If they did "zfs upgrade -a", then we could
2456 * be doing ioctls to different pools. We need
6f1ffb06
MA		 2457 * to log this history once to each pool, and bypass
2458 * the normal history logging that happens in main().
34dc7c2f 2459 */
6f1ffb06
MA		 2460 (void) zpool_log_history(g_zfs, history_str);
2461 log_history = B_FALSE;
34dc7c2f
BB		 2462 }
2463 if (zfs_prop_set(zhp, "version", verstr) == 0)
2464 cb->cb_numupgraded++;
2465 else
2466 cb->cb_numfailed++;
a51288aa
RY		 2467 (void) strlcpy(cb->cb_lastfs, zfs_get_name(zhp),
2468 sizeof (cb->cb_lastfs));
34dc7c2f
BB		 2469 } else if (version > cb->cb_version) {
2470 /* can't downgrade */
2471 (void) printf(gettext("%s: can not be downgraded; "
2472 "it is already at version %u\n"),
2473 zfs_get_name(zhp), version);
2474 cb->cb_numfailed++;
2475 } else {
2476 cb->cb_numsamegraded++;
2477 }
2478 return (0);
2479}
2480
2481/*
2482 * zfs upgrade
2483 * zfs upgrade -v
2484 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
2485 */
2486static int
2487zfs_do_upgrade(int argc, char **argv)
2488{
34dc7c2f
BB		 2489 boolean_t all = B_FALSE;
2490 boolean_t showversions = B_FALSE;
ad60af8e 2491 int ret = 0;
34dc7c2f 2492 upgrade_cbdata_t cb = { 0 };
0869b74a 2493 int c;
b128c09f 2494 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2495
2496 /* check options */
2497 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
2498 switch (c) {
2499 case 'r':
b128c09f 2500 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2501 break;
2502 case 'v':
2503 showversions = B_TRUE;
2504 break;
2505 case 'V':
2506 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
2507 optarg, &cb.cb_version) != 0) {
2508 (void) fprintf(stderr,
2509 gettext("invalid version %s\n"), optarg);
2510 usage(B_FALSE);
2511 }
2512 break;
2513 case 'a':
2514 all = B_TRUE;
2515 break;
2516 case '?':
2517 default:
2518 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2519 optopt);
2520 usage(B_FALSE);
2521 }
2522 }
2523
2524 argc -= optind;
2525 argv += optind;
2526
b128c09f 2527 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 2528 usage(B_FALSE);
b128c09f
BB		 2529 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
2530 cb.cb_version || argc))
34dc7c2f
BB		 2531 usage(B_FALSE);
2532 if ((all || argc) && (showversions))
2533 usage(B_FALSE);
2534 if (all && argc)
2535 usage(B_FALSE);
2536
2537 if (showversions) {
2538 /* Show info on available versions. */
2539 (void) printf(gettext("The following filesystem versions are "
2540 "supported:\n\n"));
2541 (void) printf(gettext("VER DESCRIPTION\n"));
2542 (void) printf("--- -----------------------------------------"
2543 "---------------\n");
2544 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2545 (void) printf(gettext(" 2 Enhanced directory entries\n"));
330d06f9
MA		 2546 (void) printf(gettext(" 3 Case insensitive and filesystem "
2547 "user identifier (FUID)\n"));
9babb374
BB		 2548 (void) printf(gettext(" 4 userquota, groupquota "
2549 "properties\n"));
428870ff 2550 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 2551 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 2552 "version, including supported releases,\n"));
2553 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 2554 ret = 0;
2555 } else if (argc || all) {
2556 /* Upgrade filesystems */
2557 if (cb.cb_version == 0)
2558 cb.cb_version = ZPL_VERSION;
b128c09f 2559 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2560 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 2561 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 2562 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 2563 if (cb.cb_numsamegraded) {
2564 (void) printf(gettext("%llu filesystems already at "
2565 "this version\n"),
b8864a23 2566 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 2567 }
2568 if (cb.cb_numfailed != 0)
2569 ret = 1;
2570 } else {
4e33ba4c 2571 /* List old-version filesystems */
34dc7c2f
BB		 2572 boolean_t found;
2573 (void) printf(gettext("This system is currently running "
2574 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
2575
b128c09f
BB		 2576 flags |= ZFS_ITER_RECURSE;
2577 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2578 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2579
2580 found = cb.cb_foundone;
2581 cb.cb_foundone = B_FALSE;
2582 cb.cb_newer = B_TRUE;
2583
6a42939f 2584 ret |= zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2585 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2586
2587 if (!cb.cb_foundone && !found) {
2588 (void) printf(gettext("All filesystems are "
2589 "formatted with the current version.\n"));
2590 }
2591 }
2592
2593 return (ret);
2594}
2595
5990da81
YP		 2596/*
2597 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2598 * [-S field [-S field]...] [-t type[,...]]
2599 * filesystem | snapshot | path
5990da81 2600 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2601 * [-S field [-S field]...] [-t type[,...]]
2602 * filesystem | snapshot | path
9c5167d1 2603 * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...]
cf266775 2604 * [-S field [-S field]...] filesystem | snapshot | path
5990da81
YP		 2605 *
2606 * -H Scripted mode; elide headers and separate columns by tabs.
2607 * -i Translate SID to POSIX ID.
2608 * -n Print numeric ID instead of user/group name.
2609 * -o Control which fields to display.
54d5378f 2610 * -p Use exact (parsable) numeric output.
5990da81
YP		 2611 * -s Specify sort columns, descending order.
2612 * -S Specify sort columns, ascending order.
2613 * -t Control which object types to display.
2614 *
2615 * Displays space consumed by, and quotas on, each user in the specified
2616 * filesystem or snapshot.
2617 */
0b7936d5 2618
5990da81
YP		 2619/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2620enum us_field_types {
2621 USFIELD_TYPE,
2622 USFIELD_NAME,
2623 USFIELD_USED,
1de321e6
JX		 2624 USFIELD_QUOTA,
2625 USFIELD_OBJUSED,
2626 USFIELD_OBJQUOTA
5990da81 2627};
a926aab9 2628static const char *const us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA",
1de321e6 2629 "OBJUSED", "OBJQUOTA" };
a926aab9 2630static const char *const us_field_names[] = { "type", "name", "used", "quota",
1de321e6 2631 "objused", "objquota" };
5990da81 2632#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
0b7936d5 2633
5990da81
YP		 2634#define USTYPE_PSX_GRP (1 << 0)
2635#define USTYPE_PSX_USR (1 << 1)
2636#define USTYPE_SMB_GRP (1 << 2)
2637#define USTYPE_SMB_USR (1 << 3)
9c5167d1 2638#define USTYPE_PROJ (1 << 4)
5990da81 2639#define USTYPE_ALL \
9c5167d1
NF		 2640 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \
2641 USTYPE_PROJ)
0b7936d5 2642
5990da81
YP		 2643static int us_type_bits[] = {
2644 USTYPE_PSX_GRP,
2645 USTYPE_PSX_USR,
2646 USTYPE_SMB_GRP,
2647 USTYPE_SMB_USR,
2648 USTYPE_ALL
2649};
a926aab9
AZ		 2650static const char *const us_type_names[] = { "posixgroup", "posixuser",
2651 "smbgroup", "smbuser", "all" };
0b7936d5
AS		 2652
2653typedef struct us_node {
2654 nvlist_t *usn_nvl;
2655 uu_avl_node_t usn_avlnode;
2656 uu_list_node_t usn_listnode;
2657} us_node_t;
2658
2659typedef struct us_cbdata {
5990da81
YP		 2660 nvlist_t **cb_nvlp;
2661 uu_avl_pool_t *cb_avl_pool;
2662 uu_avl_t *cb_avl;
2663 boolean_t cb_numname;
2664 boolean_t cb_nicenum;
2665 boolean_t cb_sid2posix;
2666 zfs_userquota_prop_t cb_prop;
2667 zfs_sort_column_t *cb_sortcol;
2668 size_t cb_width[USFIELD_LAST];
0b7936d5
AS		 2669} us_cbdata_t;
2670
5990da81
YP		 2671static boolean_t us_populated = B_FALSE;
2672
0b7936d5
AS		 2673typedef struct {
2674 zfs_sort_column_t *si_sortcol;
5990da81 2675 boolean_t si_numname;
0b7936d5
AS		 2676} us_sort_info_t;
2677
5990da81 2678static int
a926aab9 2679us_field_index(const char *field)
5990da81 2680{
a926aab9 2681 for (int i = 0; i < USFIELD_LAST; i++) {
5990da81
YP		 2682 if (strcmp(field, us_field_names[i]) == 0)
2683 return (i);
2684 }
2685
2686 return (-1);
2687}
2688
0b7936d5
AS		 2689static int
2690us_compare(const void *larg, const void *rarg, void *unused)
2691{
2692 const us_node_t *l = larg;
2693 const us_node_t *r = rarg;
0b7936d5
AS		 2694 us_sort_info_t *si = (us_sort_info_t *)unused;
2695 zfs_sort_column_t *sortcol = si->si_sortcol;
5990da81 2696 boolean_t numname = si->si_numname;
0b7936d5
AS		 2697 nvlist_t *lnvl = l->usn_nvl;
2698 nvlist_t *rnvl = r->usn_nvl;
5990da81
YP		 2699 int rc = 0;
2700 boolean_t lvb, rvb;
0b7936d5
AS		 2701
2702 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
a926aab9
AZ		 2703 char *lvstr = (char *)"";
2704 char *rvstr = (char *)"";
0b7936d5
AS		 2705 uint32_t lv32 = 0;
2706 uint32_t rv32 = 0;
2707 uint64_t lv64 = 0;
2708 uint64_t rv64 = 0;
2709 zfs_prop_t prop = sortcol->sc_prop;
2710 const char *propname = NULL;
2711 boolean_t reverse = sortcol->sc_reverse;
2712
2713 switch (prop) {
2714 case ZFS_PROP_TYPE:
2715 propname = "type";
2716 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
2717 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
2718 if (rv32 != lv32)
5990da81 2719 rc = (rv32 < lv32) ? 1 : -1;
0b7936d5
AS		 2720 break;
2721 case ZFS_PROP_NAME:
2722 propname = "name";
5990da81 2723 if (numname) {
88cfff18 2724compare_nums:
5990da81
YP		 2725 (void) nvlist_lookup_uint64(lnvl, propname,
2726 &lv64);
2727 (void) nvlist_lookup_uint64(rnvl, propname,
2728 &rv64);
2729 if (rv64 != lv64)
2730 rc = (rv64 < lv64) ? 1 : -1;
0b7936d5 2731 } else {
88cfff18 2732 if ((nvlist_lookup_string(lnvl, propname,
02730c33 2733 &lvstr) == ENOENT) ||
88cfff18 2734 (nvlist_lookup_string(rnvl, propname,
02730c33 2735 &rvstr) == ENOENT)) {
88cfff18
PB		 2736 goto compare_nums;
2737 }
0b7936d5
AS		 2738 rc = strcmp(lvstr, rvstr);
2739 }
2740 break;
0b7936d5
AS		 2741 case ZFS_PROP_USED:
2742 case ZFS_PROP_QUOTA:
5990da81
YP		 2743 if (!us_populated)
2744 break;
2745 if (prop == ZFS_PROP_USED)
0b7936d5
AS		 2746 propname = "used";
2747 else
2748 propname = "quota";
2749 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
2750 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
2751 if (rv64 != lv64)
5990da81
YP		 2752 rc = (rv64 < lv64) ? 1 : -1;
2753 break;
648a09ad 2754
0b7936d5
AS		 2755 default:
2756 break;
2757 }
2758
5990da81 2759 if (rc != 0) {
0b7936d5
AS		 2760 if (rc < 0)
2761 return (reverse ? 1 : -1);
2762 else
2763 return (reverse ? -1 : 1);
2764 }
2765 }
2766
5990da81
YP		 2767 /*
2768 * If entries still seem to be the same, check if they are of the same
2769 * type (smbentity is added only if we are doing SID to POSIX ID
2770 * translation where we can have duplicate type/name combinations).
2771 */
2772 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
2773 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
2774 lvb != rvb)
2775 return (lvb < rvb ? -1 : 1);
2776
2777 return (0);
0b7936d5
AS		 2778}
2779
1de321e6
JX		 2780static boolean_t
2781zfs_prop_is_user(unsigned p)
2782{
2783 return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA ||
2784 p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA);
2785}
2786
2787static boolean_t
2788zfs_prop_is_group(unsigned p)
2789{
2790 return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA ||
2791 p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA);
2792}
2793
9c5167d1
NF		 2794static boolean_t
2795zfs_prop_is_project(unsigned p)
2796{
2797 return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA ||
2798 p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA);
2799}
2800
0b7936d5
AS		 2801static inline const char *
2802us_type2str(unsigned field_type)
2803{
2804 switch (field_type) {
2805 case USTYPE_PSX_USR:
2806 return ("POSIX User");
2807 case USTYPE_PSX_GRP:
2808 return ("POSIX Group");
2809 case USTYPE_SMB_USR:
2810 return ("SMB User");
2811 case USTYPE_SMB_GRP:
2812 return ("SMB Group");
9c5167d1
NF		 2813 case USTYPE_PROJ:
2814 return ("Project");
0b7936d5
AS		 2815 default:
2816 return ("Undefined");
2817 }
2818}
2819
9babb374
BB		 2820static int
2821userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
2822{
0b7936d5
AS		 2823 us_cbdata_t *cb = (us_cbdata_t *)arg;
2824 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 2825 char *name = NULL;
a926aab9 2826 const char *propname;
9babb374 2827 char sizebuf[32];
0b7936d5
AS		 2828 us_node_t *node;
2829 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
2830 uu_avl_t *avl = cb->cb_avl;
2831 uu_avl_index_t idx;
2832 nvlist_t *props;
2833 us_node_t *n;
2834 zfs_sort_column_t *sortcol = cb->cb_sortcol;
5990da81 2835 unsigned type = 0;
0b7936d5
AS		 2836 const char *typestr;
2837 size_t namelen;
2838 size_t typelen;
2839 size_t sizelen;
5990da81 2840 int typeidx, nameidx, sizeidx;
0b7936d5 2841 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
5990da81 2842 boolean_t smbentity = B_FALSE;
9babb374 2843
5990da81
YP		 2844 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
2845 nomem();
2846 node = safe_malloc(sizeof (us_node_t));
2847 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2848 node->usn_nvl = props;
2849
2850 if (domain != NULL && domain[0] != '\0') {
0b7936d5 2851#ifdef HAVE_IDMAP
5990da81 2852 /* SMB */
eca7b760 2853 char sid[MAXNAMELEN + 32];
0b7936d5
AS		 2854 uid_t id;
2855 uint64_t classes;
5990da81 2856 int err;
0b7936d5
AS		 2857 directory_error_t e;
2858
5990da81
YP		 2859 smbentity = B_TRUE;
2860
0b7936d5 2861 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
5990da81 2862
0b7936d5
AS		 2863 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2864 type = USTYPE_SMB_GRP;
2865 err = sid_to_id(sid, B_FALSE, &id);
2866 } else {
2867 type = USTYPE_SMB_USR;
2868 err = sid_to_id(sid, B_TRUE, &id);
2869 }
2870
2871 if (err == 0) {
2872 rid = id;
5990da81
YP		 2873 if (!cb->cb_sid2posix) {
2874 e = directory_name_from_sid(NULL, sid, &name,
2875 &classes);
105afebb 2876 if (e != NULL)
5990da81 2877 directory_error_free(e);
5990da81
YP		 2878 if (name == NULL)
2879 name = sid;
0b7936d5 2880 }
0b7936d5
AS		 2881 }
2882#else
5990da81
YP		 2883 nvlist_free(props);
2884 free(node);
2885
0b7936d5
AS		 2886 return (-1);
2887#endif /* HAVE_IDMAP */
9babb374
BB		 2888 }
2889
5990da81
YP		 2890 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
2891 /* POSIX or -i */
1de321e6 2892 if (zfs_prop_is_group(prop)) {
5990da81
YP		 2893 type = USTYPE_PSX_GRP;
2894 if (!cb->cb_numname) {
2895 struct group *g;
0b7936d5 2896
5990da81
YP		 2897 if ((g = getgrgid(rid)) != NULL)
2898 name = g->gr_name;
2899 }
9c5167d1 2900 } else if (zfs_prop_is_user(prop)) {
5990da81
YP		 2901 type = USTYPE_PSX_USR;
2902 if (!cb->cb_numname) {
2903 struct passwd *p;
0b7936d5 2904
5990da81
YP		 2905 if ((p = getpwuid(rid)) != NULL)
2906 name = p->pw_name;
2907 }
9c5167d1
NF		 2908 } else {
2909 type = USTYPE_PROJ;
5990da81 2910 }
0b7936d5
AS		 2911 }
2912
5990da81
YP		 2913 /*
2914 * Make sure that the type/name combination is unique when doing
2915 * SID to POSIX ID translation (hence changing the type from SMB to
2916 * POSIX).
2917 */
2918 if (cb->cb_sid2posix &&
2919 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
2920 nomem();
2921
2922 /* Calculate/update width of TYPE field */
2923 typestr = us_type2str(type);
2924 typelen = strlen(gettext(typestr));
2925 typeidx = us_field_index("type");
2926 if (typelen > cb->cb_width[typeidx])
2927 cb->cb_width[typeidx] = typelen;
0b7936d5
AS		 2928 if (nvlist_add_uint32(props, "type", type) != 0)
2929 nomem();
2930
5990da81
YP		 2931 /* Calculate/update width of NAME field */
2932 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
2933 if (nvlist_add_uint64(props, "name", rid) != 0)
0b7936d5 2934 nomem();
5990da81 2935 namelen = snprintf(NULL, 0, "%u", rid);
0b7936d5
AS		 2936 } else {
2937 if (nvlist_add_string(props, "name", name) != 0)
2938 nomem();
2939 namelen = strlen(name);
2940 }
5990da81 2941 nameidx = us_field_index("name");
81eb8a1f 2942 if (nameidx >= 0 && namelen > cb->cb_width[nameidx])
5990da81 2943 cb->cb_width[nameidx] = namelen;
0b7936d5 2944
5990da81
YP		 2945 /*
2946 * Check if this type/name combination is in the list and update it;
2947 * otherwise add new node to the list.
2948 */
2949 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
0b7936d5 2950 uu_avl_insert(avl, node, idx);
5990da81 2951 } else {
0b7936d5
AS		 2952 nvlist_free(props);
2953 free(node);
2954 node = n;
2955 props = node->usn_nvl;
9babb374 2956 }
9babb374 2957
5990da81 2958 /* Calculate/update width of USED/QUOTA fields */
e7fbeb60 2959 if (cb->cb_nicenum) {
2960 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
9c5167d1
NF		 2961 prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2962 prop == ZFS_PROP_PROJECTUSED ||
2963 prop == ZFS_PROP_PROJECTQUOTA) {
e7fbeb60 2964 zfs_nicebytes(space, sizebuf, sizeof (sizebuf));
2965 } else {
2966 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2967 }
2968 } else {
5990da81
YP		 2969 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
2970 (u_longlong_t)space);
e7fbeb60 2971 }
5990da81 2972 sizelen = strlen(sizebuf);
9c5167d1
NF		 2973 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
2974 prop == ZFS_PROP_PROJECTUSED) {
5990da81
YP		 2975 propname = "used";
2976 if (!nvlist_exists(props, "quota"))
2977 (void) nvlist_add_uint64(props, "quota", 0);
9c5167d1
NF		 2978 } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2979 prop == ZFS_PROP_PROJECTQUOTA) {
5990da81
YP		 2980 propname = "quota";
2981 if (!nvlist_exists(props, "used"))
2982 (void) nvlist_add_uint64(props, "used", 0);
1de321e6 2983 } else if (prop == ZFS_PROP_USEROBJUSED ||
9c5167d1 2984 prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) {
1de321e6
JX		 2985 propname = "objused";
2986 if (!nvlist_exists(props, "objquota"))
2987 (void) nvlist_add_uint64(props, "objquota", 0);
2988 } else if (prop == ZFS_PROP_USEROBJQUOTA ||
9c5167d1
NF		 2989 prop == ZFS_PROP_GROUPOBJQUOTA ||
2990 prop == ZFS_PROP_PROJECTOBJQUOTA) {
1de321e6
JX		 2991 propname = "objquota";
2992 if (!nvlist_exists(props, "objused"))
2993 (void) nvlist_add_uint64(props, "objused", 0);
2994 } else {
2995 return (-1);
5990da81
YP		 2996 }
2997 sizeidx = us_field_index(propname);
81eb8a1f 2998 if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx])
5990da81
YP		 2999 cb->cb_width[sizeidx] = sizelen;
3000
0b7936d5
AS		 3001 if (nvlist_add_uint64(props, propname, space) != 0)
3002 nomem();
3003
3004 return (0);
3005}
3006
0b7936d5 3007static void
5990da81
YP		 3008print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
3009 size_t *width, us_node_t *node)
0b7936d5
AS		 3010{
3011 nvlist_t *nvl = node->usn_nvl;
eca7b760 3012 char valstr[MAXNAMELEN];
0b7936d5 3013 boolean_t first = B_TRUE;
5990da81
YP		 3014 int cfield = 0;
3015 int field;
3016 uint32_t ustype;
3017
3018 /* Check type */
3019 (void) nvlist_lookup_uint32(nvl, "type", &ustype);
3020 if (!(ustype & types))
3021 return;
3022
3023 while ((field = fields[cfield]) != USFIELD_LAST) {
3024 nvpair_t *nvp = NULL;
3025 data_type_t type;
a926aab9
AZ		 3026 uint32_t val32 = -1;
3027 uint64_t val64 = -1;
3028 const char *strval = "-";
5990da81 3029
a926aab9 3030 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL)
5990da81
YP		 3031 if (strcmp(nvpair_name(nvp),
3032 us_field_names[field]) == 0)
0b7936d5 3033 break;
0b7936d5 3034
1de321e6 3035 type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp);
0b7936d5
AS		 3036 switch (type) {
3037 case DATA_TYPE_UINT32:
a926aab9 3038 val32 = fnvpair_value_uint32(nvp);
0b7936d5
AS		 3039 break;
3040 case DATA_TYPE_UINT64:
a926aab9 3041 val64 = fnvpair_value_uint64(nvp);
0b7936d5
AS		 3042 break;
3043 case DATA_TYPE_STRING:
a926aab9 3044 strval = fnvpair_value_string(nvp);
0b7936d5 3045 break;
1de321e6
JX		 3046 case DATA_TYPE_UNKNOWN:
3047 break;
0b7936d5 3048 default:
5990da81 3049 (void) fprintf(stderr, "invalid data type\n");
0b7936d5
AS		 3050 }
3051
3052 switch (field) {
3053 case USFIELD_TYPE:
1de321e6 3054 if (type == DATA_TYPE_UINT32)
a926aab9 3055 strval = us_type2str(val32);
0b7936d5
AS		 3056 break;
3057 case USFIELD_NAME:
3058 if (type == DATA_TYPE_UINT64) {
3059 (void) sprintf(valstr, "%llu",
02730c33 3060 (u_longlong_t)val64);
0b7936d5
AS		 3061 strval = valstr;
3062 }
0b7936d5
AS		 3063 break;
3064 case USFIELD_USED:
3065 case USFIELD_QUOTA:
e7fbeb60 3066 if (type == DATA_TYPE_UINT64) {
3067 if (parsable) {
3068 (void) sprintf(valstr, "%llu",
3069 (u_longlong_t)val64);
3070 strval = valstr;
3071 } else if (field == USFIELD_QUOTA &&
3072 val64 == 0) {
3073 strval = "none";
3074 } else {
3075 zfs_nicebytes(val64, valstr,
3076 sizeof (valstr));
3077 strval = valstr;
3078 }
3079 }
3080 break;
1de321e6
JX		 3081 case USFIELD_OBJUSED:
3082 case USFIELD_OBJQUOTA:
0b7936d5 3083 if (type == DATA_TYPE_UINT64) {
5990da81 3084 if (parsable) {
0b7936d5 3085 (void) sprintf(valstr, "%llu",
02730c33 3086 (u_longlong_t)val64);
e7fbeb60 3087 strval = valstr;
3088 } else if (field == USFIELD_OBJQUOTA &&
3089 val64 == 0) {
3090 strval = "none";
5990da81 3091 } else {
0b7936d5
AS		 3092 zfs_nicenum(val64, valstr,
3093 sizeof (valstr));
5990da81 3094 strval = valstr;
e7fbeb60 3095 }
0b7936d5 3096 }
0b7936d5
AS		 3097 break;
3098 }
3099
5990da81
YP		 3100 if (!first) {
3101 if (scripted)
a926aab9 3102 (void) putchar('\t');
0b7936d5 3103 else
a926aab9 3104 (void) fputs(" ", stdout);
0b7936d5 3105 }
5990da81 3106 if (scripted)
a926aab9 3107 (void) fputs(strval, stdout);
5990da81 3108 else if (field == USFIELD_TYPE || field == USFIELD_NAME)
02730c33 3109 (void) printf("%-*s", (int)width[field], strval);
5990da81 3110 else
02730c33 3111 (void) printf("%*s", (int)width[field], strval);
0b7936d5
AS		 3112
3113 first = B_FALSE;
5990da81 3114 cfield++;
0b7936d5
AS		 3115 }
3116
a926aab9 3117 (void) putchar('\n');
0b7936d5
AS		 3118}
3119
3120static void
5990da81
YP		 3121print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
3122 size_t *width, boolean_t rmnode, uu_avl_t *avl)
0b7936d5 3123{
0b7936d5
AS		 3124 us_node_t *node;
3125 const char *col;
5990da81
YP		 3126 int cfield = 0;
3127 int field;
0b7936d5
AS		 3128
3129 if (!scripted) {
3130 boolean_t first = B_TRUE;
5990da81
YP		 3131
3132 while ((field = fields[cfield]) != USFIELD_LAST) {
3133 col = gettext(us_field_hdr[field]);
3134 if (field == USFIELD_TYPE || field == USFIELD_NAME) {
3135 (void) printf(first ? "%-*s" : " %-*s",
02730c33 3136 (int)width[field], col);
5990da81
YP		 3137 } else {
3138 (void) printf(first ? "%*s" : " %*s",
02730c33 3139 (int)width[field], col);
5990da81 3140 }
0b7936d5 3141 first = B_FALSE;
5990da81 3142 cfield++;
0b7936d5
AS		 3143 }
3144 (void) printf("\n");
3145 }
3146
5990da81
YP		 3147 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
3148 print_us_node(scripted, parsable, fields, types, width, node);
0b7936d5
AS		 3149 if (rmnode)
3150 nvlist_free(node->usn_nvl);
3151 }
3152}
3153
9babb374
BB		 3154static int
3155zfs_do_userspace(int argc, char **argv)
3156{
3157 zfs_handle_t *zhp;
3158 zfs_userquota_prop_t p;
0b7936d5
AS		 3159 uu_avl_pool_t *avl_pool;
3160 uu_avl_t *avl_tree;
3161 uu_avl_walk_t *walk;
5990da81 3162 char *delim;
1de321e6 3163 char deffields[] = "type,name,used,quota,objused,objquota";
5990da81
YP		 3164 char *ofield = NULL;
3165 char *tfield = NULL;
3166 int cfield = 0;
3167 int fields[256];
3168 int i;
0b7936d5
AS		 3169 boolean_t scripted = B_FALSE;
3170 boolean_t prtnum = B_FALSE;
5990da81 3171 boolean_t parsable = B_FALSE;
0b7936d5 3172 boolean_t sid2posix = B_FALSE;
105afebb 3173 int ret = 0;
0b7936d5 3174 int c;
0b7936d5 3175 zfs_sort_column_t *sortcol = NULL;
5990da81 3176 int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
0b7936d5
AS		 3177 us_cbdata_t cb;
3178 us_node_t *node;
5990da81
YP		 3179 us_node_t *rmnode;
3180 uu_list_pool_t *listpool;
3181 uu_list_t *list;
3182 uu_avl_index_t idx = 0;
3183 uu_list_index_t idx2 = 0;
0b7936d5
AS		 3184
3185 if (argc < 2)
3186 usage(B_FALSE);
3187
9c5167d1 3188 if (strcmp(argv[0], "groupspace") == 0) {
5990da81 3189 /* Toggle default group types */
0b7936d5 3190 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
9c5167d1
NF		 3191 } else if (strcmp(argv[0], "projectspace") == 0) {
3192 types = USTYPE_PROJ;
3193 prtnum = B_TRUE;
3194 }
0b7936d5 3195
0b7936d5
AS		 3196 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
3197 switch (c) {
3198 case 'n':
9c5167d1
NF		 3199 if (types == USTYPE_PROJ) {
3200 (void) fprintf(stderr,
3201 gettext("invalid option 'n'\n"));
3202 usage(B_FALSE);
3203 }
0b7936d5
AS		 3204 prtnum = B_TRUE;
3205 break;
3206 case 'H':
3207 scripted = B_TRUE;
3208 break;
3209 case 'p':
5990da81 3210 parsable = B_TRUE;
0b7936d5
AS		 3211 break;
3212 case 'o':
5990da81 3213 ofield = optarg;
0b7936d5
AS		 3214 break;
3215 case 's':
0b7936d5
AS		 3216 case 'S':
3217 if (zfs_add_sort_column(&sortcol, optarg,
5990da81 3218 c == 's' ? B_FALSE : B_TRUE) != 0) {
0b7936d5 3219 (void) fprintf(stderr,
5990da81 3220 gettext("invalid field '%s'\n"), optarg);
0b7936d5
AS		 3221 usage(B_FALSE);
3222 }
3223 break;
3224 case 't':
9c5167d1
NF		 3225 if (types == USTYPE_PROJ) {
3226 (void) fprintf(stderr,
3227 gettext("invalid option 't'\n"));
3228 usage(B_FALSE);
3229 }
5990da81 3230 tfield = optarg;
0b7936d5
AS		 3231 break;
3232 case 'i':
9c5167d1
NF		 3233 if (types == USTYPE_PROJ) {
3234 (void) fprintf(stderr,
3235 gettext("invalid option 'i'\n"));
3236 usage(B_FALSE);
3237 }
0b7936d5
AS		 3238 sid2posix = B_TRUE;
3239 break;
3240 case ':':
3241 (void) fprintf(stderr, gettext("missing argument for "
3242 "'%c' option\n"), optopt);
3243 usage(B_FALSE);
3244 break;
3245 case '?':
3246 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3247 optopt);
3248 usage(B_FALSE);
3249 }
3250 }
3251
3252 argc -= optind;
3253 argv += optind;
3254
5990da81
YP		 3255 if (argc < 1) {
3256 (void) fprintf(stderr, gettext("missing dataset name\n"));
3257 usage(B_FALSE);
3258 }
3259 if (argc > 1) {
3260 (void) fprintf(stderr, gettext("too many arguments\n"));
3261 usage(B_FALSE);
0b7936d5
AS		 3262 }
3263
5990da81
YP		 3264 /* Use default output fields if not specified using -o */
3265 if (ofield == NULL)
3266 ofield = deffields;
3267 do {
3268 if ((delim = strchr(ofield, ',')) != NULL)
3269 *delim = '\0';
3270 if ((fields[cfield++] = us_field_index(ofield)) == -1) {
3271 (void) fprintf(stderr, gettext("invalid type '%s' "
3272 "for -o option\n"), ofield);
3273 return (-1);
3274 }
3275 if (delim != NULL)
3276 ofield = delim + 1;
3277 } while (delim != NULL);
3278 fields[cfield] = USFIELD_LAST;
3279
3280 /* Override output types (-t option) */
3281 if (tfield != NULL) {
3282 types = 0;
3283
3284 do {
3285 boolean_t found = B_FALSE;
3286
3287 if ((delim = strchr(tfield, ',')) != NULL)
3288 *delim = '\0';
3289 for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
3290 i++) {
3291 if (strcmp(tfield, us_type_names[i]) == 0) {
3292 found = B_TRUE;
3293 types |= us_type_bits[i];
3294 break;
3295 }
3296 }
3297 if (!found) {
3298 (void) fprintf(stderr, gettext("invalid type "
3299 "'%s' for -t option\n"), tfield);
3300 return (-1);
3301 }
3302 if (delim != NULL)
3303 tfield = delim + 1;
3304 } while (delim != NULL);
3305 }
9babb374 3306
cf266775 3307 if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
7646af20 3308 ZFS_TYPE_SNAPSHOT)) == NULL)
9babb374 3309 return (1);
757df529 3310 if (zfs_get_underlying_type(zhp) != ZFS_TYPE_FILESYSTEM) {
7646af20 3311 (void) fprintf(stderr, gettext("operation is only applicable "
3312 "to filesystems and their snapshots\n"));
3313 zfs_close(zhp);
3314 return (1);
3315 }
9babb374 3316
0b7936d5 3317 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
5990da81 3318 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
0b7936d5
AS		 3319 nomem();
3320 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
3321 nomem();
3322
5990da81
YP		 3323 /* Always add default sorting columns */
3324 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
3325 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
3326
3327 cb.cb_sortcol = sortcol;
0b7936d5 3328 cb.cb_numname = prtnum;
5990da81 3329 cb.cb_nicenum = !parsable;
0b7936d5
AS		 3330 cb.cb_avl_pool = avl_pool;
3331 cb.cb_avl = avl_tree;
3332 cb.cb_sid2posix = sid2posix;
5990da81
YP		 3333
3334 for (i = 0; i < USFIELD_LAST; i++)
3335 cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
9babb374
BB		 3336
3337 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
1de321e6 3338 if ((zfs_prop_is_user(p) &&
5990da81 3339 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
1de321e6 3340 (zfs_prop_is_group(p) &&
9c5167d1
NF		 3341 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) ||
3342 (zfs_prop_is_project(p) && types != USTYPE_PROJ))
0b7936d5 3343 continue;
1de321e6 3344
0b7936d5 3345 cb.cb_prop = p;
7646af20 3346 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) {
3347 zfs_close(zhp);
105afebb 3348 return (ret);
7646af20 3349 }
9babb374 3350 }
7646af20 3351 zfs_close(zhp);
0b7936d5 3352
5990da81 3353 /* Sort the list */
105afebb
YP		 3354 if ((node = uu_avl_first(avl_tree)) == NULL)
3355 return (0);
3356
5990da81 3357 us_populated = B_TRUE;
105afebb 3358
5990da81
YP		 3359 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
3360 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
3361 list = uu_list_create(listpool, NULL, UU_DEFAULT);
5990da81 3362 uu_list_node_init(node, &node->usn_listnode, listpool);
0b7936d5 3363
5990da81
YP		 3364 while (node != NULL) {
3365 rmnode = node;
3366 node = uu_avl_next(avl_tree, node);
3367 uu_avl_remove(avl_tree, rmnode);
3368 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
3369 uu_list_insert(list, rmnode, idx2);
3370 }
0b7936d5 3371
5990da81
YP		 3372 for (node = uu_list_first(list); node != NULL;
3373 node = uu_list_next(list, node)) {
3374 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
3375
3376 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
3377 uu_avl_insert(avl_tree, node, idx);
0b7936d5
AS		 3378 }
3379
5990da81
YP		 3380 uu_list_destroy(list);
3381 uu_list_pool_destroy(listpool);
0b7936d5 3382
5990da81
YP		 3383 /* Print and free node nvlist memory */
3384 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
3385 cb.cb_avl);
0b7936d5 3386
5990da81
YP		 3387 zfs_free_sort_columns(sortcol);
3388
3389 /* Clean up the AVL tree */
0b7936d5
AS		 3390 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
3391 nomem();
3392
3393 while ((node = uu_avl_walk_next(walk)) != NULL) {
3394 uu_avl_remove(cb.cb_avl, node);
3395 free(node);
3396 }
3397
3398 uu_avl_walk_end(walk);
3399 uu_avl_destroy(avl_tree);
3400 uu_avl_pool_destroy(avl_pool);
3401
105afebb 3402 return (ret);
9babb374
BB		 3403}
3404
3405/*
54d5378f
YP		 3406 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
3407 * [-t type[,...]] [filesystem|volume|snapshot] ...
34dc7c2f 3408 *
54d5378f
YP		 3409 * -H Scripted mode; elide headers and separate columns by tabs
3410 * -p Display values in parsable (literal) format.
428870ff
BB		 3411 * -r Recurse over all children
3412 * -d Limit recursion by depth.
428870ff 3413 * -o Control which fields to display.
34dc7c2f
BB		 3414 * -s Specify sort columns, descending order.
3415 * -S Specify sort columns, ascending order.
54d5378f 3416 * -t Control which object types to display.
34dc7c2f 3417 *
54d5378f 3418 * When given no arguments, list all filesystems in the system.
34dc7c2f
BB		 3419 * Otherwise, list the specified datasets, optionally recursing down them if
3420 * '-r' is specified.
3421 */
3422typedef struct list_cbdata {
3423 boolean_t cb_first;
54d5378f 3424 boolean_t cb_literal;
34dc7c2f
BB		 3425 boolean_t cb_scripted;
3426 zprop_list_t *cb_proplist;
3427} list_cbdata_t;
3428
3429/*
3430 * Given a list of columns to display, output appropriate headers for each one.
3431 */
3432static void
54d5378f 3433print_header(list_cbdata_t *cb)
34dc7c2f 3434{
54d5378f 3435 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3436 char headerbuf[ZFS_MAXPROPLEN];
3437 const char *header;
3438 int i;
3439 boolean_t first = B_TRUE;
3440 boolean_t right_justify;
3441
3442 for (; pl != NULL; pl = pl->pl_next) {
3443 if (!first) {
3444 (void) printf(" ");
3445 } else {
3446 first = B_FALSE;
3447 }
3448
3449 right_justify = B_FALSE;
4ff7a8fa 3450 if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f
BB		 3451 header = zfs_prop_column_name(pl->pl_prop);
3452 right_justify = zfs_prop_align_right(pl->pl_prop);
3453 } else {
3454 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
3455 headerbuf[i] = toupper(pl->pl_user_prop[i]);
3456 headerbuf[i] = '\0';
3457 header = headerbuf;
3458 }
3459
3460 if (pl->pl_next == NULL && !right_justify)
3461 (void) printf("%s", header);
3462 else if (right_justify)
b8864a23 3463 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 3464 else
b8864a23 3465 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 3466 }
3467
3468 (void) printf("\n");
3469}
3470
3471/*
3472 * Given a dataset and a list of fields, print out all the properties according
3473 * to the described layout.
3474 */
3475static void
54d5378f 3476print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
34dc7c2f 3477{
54d5378f 3478 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3479 boolean_t first = B_TRUE;
3480 char property[ZFS_MAXPROPLEN];
3481 nvlist_t *userprops = zfs_get_user_props(zhp);
3482 nvlist_t *propval;
a926aab9 3483 const char *propstr;
34dc7c2f 3484 boolean_t right_justify;
34dc7c2f
BB		 3485
3486 for (; pl != NULL; pl = pl->pl_next) {
3487 if (!first) {
54d5378f 3488 if (cb->cb_scripted)
a926aab9 3489 (void) putchar('\t');
34dc7c2f 3490 else
a926aab9 3491 (void) fputs(" ", stdout);
34dc7c2f
BB		 3492 } else {
3493 first = B_FALSE;
3494 }
3495
0cee2406
PJD		 3496 if (pl->pl_prop == ZFS_PROP_NAME) {
3497 (void) strlcpy(property, zfs_get_name(zhp),
d1d7e268 3498 sizeof (property));
0cee2406
PJD		 3499 propstr = property;
3500 right_justify = zfs_prop_align_right(pl->pl_prop);
4ff7a8fa 3501 } else if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f 3502 if (zfs_prop_get(zhp, pl->pl_prop, property,
54d5378f 3503 sizeof (property), NULL, NULL, 0,
d1d7e268 3504 cb->cb_literal) != 0)
34dc7c2f
BB		 3505 propstr = "-";
3506 else
3507 propstr = property;
34dc7c2f 3508 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 3509 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
3510 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
54d5378f 3511 property, sizeof (property), cb->cb_literal) != 0)
9babb374
BB		 3512 propstr = "-";
3513 else
3514 propstr = property;
3515 right_justify = B_TRUE;
330d06f9
MA		 3516 } else if (zfs_prop_written(pl->pl_user_prop)) {
3517 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
54d5378f 3518 property, sizeof (property), cb->cb_literal) != 0)
330d06f9
MA		 3519 propstr = "-";
3520 else
3521 propstr = property;
3522 right_justify = B_TRUE;
34dc7c2f
BB		 3523 } else {
3524 if (nvlist_lookup_nvlist(userprops,
3525 pl->pl_user_prop, &propval) != 0)
3526 propstr = "-";
3527 else
a926aab9
AZ		 3528 propstr = fnvlist_lookup_string(propval,
3529 ZPROP_VALUE);
9babb374 3530 right_justify = B_FALSE;
34dc7c2f
BB		 3531 }
3532
34dc7c2f
BB		 3533 /*
3534 * If this is being called in scripted mode, or if this is the
3535 * last column and it is left-justified, don't include a width
3536 * format specifier.
3537 */
54d5378f 3538 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
a926aab9 3539 (void) fputs(propstr, stdout);
34dc7c2f 3540 else if (right_justify)
54d5378f 3541 (void) printf("%*s", (int)pl->pl_width, propstr);
34dc7c2f 3542 else
54d5378f 3543 (void) printf("%-*s", (int)pl->pl_width, propstr);
34dc7c2f
BB		 3544 }
3545
a926aab9 3546 (void) putchar('\n');
34dc7c2f
BB		 3547}
3548
3549/*
3550 * Generic callback function to list a dataset or snapshot.
3551 */
3552static int
3553list_callback(zfs_handle_t *zhp, void *data)
3554{
3555 list_cbdata_t *cbp = data;
3556
3557 if (cbp->cb_first) {
3558 if (!cbp->cb_scripted)
54d5378f 3559 print_header(cbp);
34dc7c2f
BB		 3560 cbp->cb_first = B_FALSE;
3561 }
3562
54d5378f 3563 print_dataset(zhp, cbp);
34dc7c2f
BB		 3564
3565 return (0);
3566}
3567
3568static int
3569zfs_do_list(int argc, char **argv)
3570{
3571 int c;
40f09cb0 3572 char default_fields[] =
34dc7c2f 3573 "name,used,available,referenced,mountpoint";
d164b209 3574 int types = ZFS_TYPE_DATASET;
b128c09f 3575 boolean_t types_specified = B_FALSE;
40f09cb0 3576 char *fields = default_fields;
34dc7c2f 3577 list_cbdata_t cb = { 0 };
9babb374 3578 int limit = 0;
ad60af8e 3579 int ret = 0;
34dc7c2f 3580 zfs_sort_column_t *sortcol = NULL;
b128c09f 3581 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 3582
3583 /* check options */
54d5378f 3584 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
34dc7c2f
BB		 3585 switch (c) {
3586 case 'o':
3587 fields = optarg;
3588 break;
54d5378f
YP		 3589 case 'p':
3590 cb.cb_literal = B_TRUE;
3591 flags |= ZFS_ITER_LITERAL_PROPS;
3592 break;
9babb374
BB		 3593 case 'd':
3594 limit = parse_depth(optarg, &flags);
3595 break;
34dc7c2f 3596 case 'r':
b128c09f 3597 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 3598 break;
3599 case 'H':
54d5378f 3600 cb.cb_scripted = B_TRUE;
34dc7c2f
BB		 3601 break;
3602 case 's':
3603 if (zfs_add_sort_column(&sortcol, optarg,
3604 B_FALSE) != 0) {
3605 (void) fprintf(stderr,
3606 gettext("invalid property '%s'\n"), optarg);
3607 usage(B_FALSE);
3608 }
3609 break;
3610 case 'S':
3611 if (zfs_add_sort_column(&sortcol, optarg,
3612 B_TRUE) != 0) {
3613 (void) fprintf(stderr,
3614 gettext("invalid property '%s'\n"), optarg);
3615 usage(B_FALSE);
3616 }
3617 break;
3618 case 't':
3619 types = 0;
b128c09f
BB		 3620 types_specified = B_TRUE;
3621 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
40f09cb0
AZ		 3622
3623 for (char *tok; (tok = strsep(&optarg, ",")); ) {
3624 static const char *const type_subopts[] = {
3625 "filesystem", "volume",
3626 "snapshot", "snap",
3627 "bookmark",
3628 "all" };
3629 static const int type_types[] = {
3630 ZFS_TYPE_FILESYSTEM, ZFS_TYPE_VOLUME,
3631 ZFS_TYPE_SNAPSHOT, ZFS_TYPE_SNAPSHOT,
3632 ZFS_TYPE_BOOKMARK,
3633 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK };
3634
3635 for (c = 0; c < ARRAY_SIZE(type_subopts); ++c)
3636 if (strcmp(tok, type_subopts[c]) == 0) {
3637 types |= type_types[c];
3638 goto found3;
3639 }
3640
3641 (void) fprintf(stderr,
3642 gettext("invalid type '%s'\n"), tok);
3643 usage(B_FALSE);
3644found3:;
34dc7c2f
BB		 3645 }
3646 break;
3647 case ':':
3648 (void) fprintf(stderr, gettext("missing argument for "
3649 "'%c' option\n"), optopt);
3650 usage(B_FALSE);
3651 break;
3652 case '?':
3653 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3654 optopt);
3655 usage(B_FALSE);
3656 }
3657 }
3658
3659 argc -= optind;
3660 argv += optind;
3661
399b9819 3662 /*
3a1ce491
AH		 3663 * If we are only going to list snapshot names and sort by name or
3664 * by createtxg, then we can use faster version.
399b9819 3665 */
3a1ce491
AH		 3666 if (strcmp(fields, "name") == 0 &&
3667 (zfs_sort_only_by_name(sortcol) ||
3668 zfs_sort_only_by_createtxg(sortcol))) {
399b9819 3669 flags |= ZFS_ITER_SIMPLE;
3a1ce491 3670 }
399b9819 3671
b128c09f
BB		 3672 /*
3673 * If "-o space" and no types were specified, don't display snapshots.
3674 */
3675 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
3676 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f 3677
df583073 3678 /*
8221bcf1
I		 3679 * Handle users who want to list all snapshots or bookmarks
3680 * of the current dataset (ex. 'zfs list -t snapshot <dataset>').
df583073 3681 */
8221bcf1
I		 3682 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
3683 argc > 0 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 3684 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
3685 limit = 1;
3686 }
3687
34dc7c2f
BB		 3688 /*
3689 * If the user specifies '-o all', the zprop_get_list() doesn't
3690 * normally include the name of the dataset. For 'zfs list', we always
3691 * want this property to be first.
3692 */
3693 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
3694 != 0)
3695 usage(B_FALSE);
3696
34dc7c2f
BB		 3697 cb.cb_first = B_TRUE;
3698
b128c09f 3699 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 3700 limit, list_callback, &cb);
34dc7c2f
BB		 3701
3702 zprop_free_list(cb.cb_proplist);
3703 zfs_free_sort_columns(sortcol);
3704
3705 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
42cb3819 3706 (void) fprintf(stderr, gettext("no datasets available\n"));
34dc7c2f
BB		 3707
3708 return (ret);
3709}
3710
3711/*
7b4e2723 3712 * zfs rename [-fu] <fs | snap | vol> <fs | snap | vol>
db49968e 3713 * zfs rename [-f] -p <fs | vol> <fs | vol>
7b4e2723 3714 * zfs rename [-u] -r <snap> <snap>
34dc7c2f
BB		 3715 *
3716 * Renames the given dataset to another of the same type.
3717 *
3718 * The '-p' flag creates all the non-existing ancestors of the target first.
7b4e2723 3719 * The '-u' flag prevents file systems from being remounted during rename.
34dc7c2f 3720 */
34dc7c2f
BB		 3721static int
3722zfs_do_rename(int argc, char **argv)
3723{
3724 zfs_handle_t *zhp;
7b4e2723 3725 renameflags_t flags = { 0 };
34dc7c2f 3726 int c;
ad60af8e 3727 int ret = 0;
7b4e2723 3728 int types;
34dc7c2f
BB		 3729 boolean_t parents = B_FALSE;
3730
3731 /* check options */
7b4e2723 3732 while ((c = getopt(argc, argv, "pruf")) != -1) {
34dc7c2f
BB		 3733 switch (c) {
3734 case 'p':
3735 parents = B_TRUE;
3736 break;
3737 case 'r':
7b4e2723
RM		 3738 flags.recursive = B_TRUE;
3739 break;
3740 case 'u':
3741 flags.nounmount = B_TRUE;
34dc7c2f 3742 break;
db49968e 3743 case 'f':
7b4e2723 3744 flags.forceunmount = B_TRUE;
db49968e 3745 break;
34dc7c2f
BB		 3746 case '?':
3747 default:
3748 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3749 optopt);
3750 usage(B_FALSE);
3751 }
3752 }
3753
3754 argc -= optind;
3755 argv += optind;
3756
3757 /* check number of arguments */
3758 if (argc < 1) {
3759 (void) fprintf(stderr, gettext("missing source dataset "
3760 "argument\n"));
3761 usage(B_FALSE);
3762 }
3763 if (argc < 2) {
3764 (void) fprintf(stderr, gettext("missing target dataset "
3765 "argument\n"));
3766 usage(B_FALSE);
3767 }
3768 if (argc > 2) {
3769 (void) fprintf(stderr, gettext("too many arguments\n"));
3770 usage(B_FALSE);
3771 }
3772
7b4e2723 3773 if (flags.recursive && parents) {
34dc7c2f
BB		 3774 (void) fprintf(stderr, gettext("-p and -r options are mutually "
3775 "exclusive\n"));
3776 usage(B_FALSE);
3777 }
3778
7b4e2723
RM		 3779 if (flags.nounmount && parents) {
3780 (void) fprintf(stderr, gettext("-u and -p options are mutually "
3781 "exclusive\n"));
3782 usage(B_FALSE);
3783 }
3784
3785 if (flags.recursive && strchr(argv[0], '@') == 0) {
34dc7c2f
BB		 3786 (void) fprintf(stderr, gettext("source dataset for recursive "
3787 "rename must be a snapshot\n"));
3788 usage(B_FALSE);
3789 }
3790
7b4e2723
RM		 3791 if (flags.nounmount)
3792 types = ZFS_TYPE_FILESYSTEM;
3793 else if (parents)
3794 types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
3795 else
3796 types = ZFS_TYPE_DATASET;
3797
3798 if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
34dc7c2f
BB		 3799 return (1);
3800
3801 /* If we were asked and the name looks good, try to create ancestors. */
3802 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
3803 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
3804 zfs_close(zhp);
3805 return (1);
3806 }
3807
7b4e2723 3808 ret = (zfs_rename(zhp, argv[1], flags) != 0);
34dc7c2f
BB		 3809
3810 zfs_close(zhp);
3811 return (ret);
3812}
3813
3814/*
3815 * zfs promote <fs>
3816 *
3817 * Promotes the given clone fs to be the parent
3818 */
34dc7c2f
BB		 3819static int
3820zfs_do_promote(int argc, char **argv)
3821{
3822 zfs_handle_t *zhp;
ad60af8e 3823 int ret = 0;
34dc7c2f
BB		 3824
3825 /* check options */
3826 if (argc > 1 && argv[1][0] == '-') {
3827 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3828 argv[1][1]);
3829 usage(B_FALSE);
3830 }
3831
3832 /* check number of arguments */
3833 if (argc < 2) {
3834 (void) fprintf(stderr, gettext("missing clone filesystem"
3835 " argument\n"));
3836 usage(B_FALSE);
3837 }
3838 if (argc > 2) {
3839 (void) fprintf(stderr, gettext("too many arguments\n"));
3840 usage(B_FALSE);
3841 }
3842
3843 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3844 if (zhp == NULL)
3845 return (1);
3846
3847 ret = (zfs_promote(zhp) != 0);
3848
3849
3850 zfs_close(zhp);
3851 return (ret);
3852}
3853
30af21b0
PD		 3854static int
3855zfs_do_redact(int argc, char **argv)
3856{
3857 char *snap = NULL;
3858 char *bookname = NULL;
3859 char **rsnaps = NULL;
3860 int numrsnaps = 0;
3861 argv++;
3862 argc--;
3863 if (argc < 3) {
3b5fe2c3 3864 (void) fprintf(stderr, gettext("too few arguments\n"));
30af21b0
PD		 3865 usage(B_FALSE);
3866 }
3867
3868 snap = argv[0];
3869 bookname = argv[1];
3870 rsnaps = argv + 2;
3871 numrsnaps = argc - 2;
3872
3873 nvlist_t *rsnapnv = fnvlist_alloc();
3874
3875 for (int i = 0; i < numrsnaps; i++) {
3876 fnvlist_add_boolean(rsnapnv, rsnaps[i]);
3877 }
3878
3879 int err = lzc_redact(snap, bookname, rsnapnv);
3880 fnvlist_free(rsnapnv);
3881
3882 switch (err) {
3883 case 0:
3884 break;
3885 case ENOENT:
3886 (void) fprintf(stderr,
3b5fe2c3 3887 gettext("provided snapshot %s does not exist\n"), snap);
30af21b0
PD		 3888 break;
3889 case EEXIST:
3890 (void) fprintf(stderr, gettext("specified redaction bookmark "
3b5fe2c3 3891 "(%s) provided already exists\n"), bookname);
30af21b0
PD		 3892 break;
3893 case ENAMETOOLONG:
3894 (void) fprintf(stderr, gettext("provided bookmark name cannot "
3b5fe2c3 3895 "be used, final name would be too long\n"));
30af21b0
PD		 3896 break;
3897 case E2BIG:
3898 (void) fprintf(stderr, gettext("too many redaction snapshots "
3b5fe2c3 3899 "specified\n"));
30af21b0
PD		 3900 break;
3901 case EINVAL:
f658f61c
CS		 3902 if (strchr(bookname, '#') != NULL)
3903 (void) fprintf(stderr, gettext(
3904 "redaction bookmark name must not contain '#'\n"));
3905 else
3906 (void) fprintf(stderr, gettext(
3907 "redaction snapshot must be descendent of "
3908 "snapshot being redacted\n"));
30af21b0
PD		 3909 break;
3910 case EALREADY:
3911 (void) fprintf(stderr, gettext("attempted to redact redacted "
3b5fe2c3 3912 "dataset or with respect to redacted dataset\n"));
30af21b0
PD		 3913 break;
3914 case ENOTSUP:
3915 (void) fprintf(stderr, gettext("redaction bookmarks feature "
3b5fe2c3 3916 "not enabled\n"));
30af21b0 3917 break;
f658f61c
CS		 3918 case EXDEV:
3919 (void) fprintf(stderr, gettext("potentially invalid redaction "
3920 "snapshot; full dataset names required\n"));
3921 break;
30af21b0 3922 default:
3b5fe2c3 3923 (void) fprintf(stderr, gettext("internal error: %s\n"),
30af21b0
PD		 3924 strerror(errno));
3925 }
3926
3927 return (err);
3928}
3929
34dc7c2f
BB		 3930/*
3931 * zfs rollback [-rRf] <snapshot>
3932 *
428870ff
BB		 3933 * -r Delete any intervening snapshots before doing rollback
3934 * -R Delete any snapshots and their clones
4e33ba4c 3935 * -f ignored for backwards compatibility
34dc7c2f
BB		 3936 *
3937 * Given a filesystem, rollback to a specific snapshot, discarding any changes
3938 * since then and making it the active dataset. If more recent snapshots exist,
3939 * the command will complain unless the '-r' flag is given.
3940 */
3941typedef struct rollback_cbdata {
3942 uint64_t cb_create;
4c0883fb 3943 uint8_t cb_younger_ds_printed;
34dc7c2f
BB		 3944 boolean_t cb_first;
3945 int cb_doclones;
3946 char *cb_target;
3947 int cb_error;
3948 boolean_t cb_recurse;
34dc7c2f
BB		 3949} rollback_cbdata_t;
3950
da536844
MA		 3951static int
3952rollback_check_dependent(zfs_handle_t *zhp, void *data)
3953{
3954 rollback_cbdata_t *cbp = data;
3955
3956 if (cbp->cb_first && cbp->cb_recurse) {
3957 (void) fprintf(stderr, gettext("cannot rollback to "
3958 "'%s': clones of previous snapshots exist\n"),
3959 cbp->cb_target);
3960 (void) fprintf(stderr, gettext("use '-R' to "
3961 "force deletion of the following clones and "
3962 "dependents:\n"));
3963 cbp->cb_first = 0;
3964 cbp->cb_error = 1;
3965 }
3966
3967 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
3968
3969 zfs_close(zhp);
3970 return (0);
3971}
9b67f605
MA		 3972
3973
34dc7c2f 3974/*
4c0883fb
AP		 3975 * Report some snapshots/bookmarks more recent than the one specified.
3976 * Used when '-r' is not specified. We reuse this same callback for the
3977 * snapshot dependents - if 'cb_dependent' is set, then this is a
3978 * dependent and we should report it without checking the transaction group.
34dc7c2f
BB		 3979 */
3980static int
3981rollback_check(zfs_handle_t *zhp, void *data)
3982{
3983 rollback_cbdata_t *cbp = data;
4c0883fb
AP		 3984 /*
3985 * Max number of younger snapshots and/or bookmarks to display before
3986 * we stop the iteration.
3987 */
3988 const uint8_t max_younger = 32;
34dc7c2f
BB		 3989
3990 if (cbp->cb_doclones) {
3991 zfs_close(zhp);
3992 return (0);
3993 }
3994
da536844
MA		 3995 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) {
3996 if (cbp->cb_first && !cbp->cb_recurse) {
3997 (void) fprintf(stderr, gettext("cannot "
3998 "rollback to '%s': more recent snapshots "
3999 "or bookmarks exist\n"),
34dc7c2f 4000 cbp->cb_target);
da536844
MA		 4001 (void) fprintf(stderr, gettext("use '-r' to "
4002 "force deletion of the following "
4003 "snapshots and bookmarks:\n"));
34dc7c2f
BB		 4004 cbp->cb_first = 0;
4005 cbp->cb_error = 1;
4006 }
4007
da536844 4008 if (cbp->cb_recurse) {
399b9819 4009 if (zfs_iter_dependents(zhp, B_TRUE,
da536844
MA		 4010 rollback_check_dependent, cbp) != 0) {
4011 zfs_close(zhp);
4012 return (-1);
4013 }
4014 } else {
4015 (void) fprintf(stderr, "%s\n",
4016 zfs_get_name(zhp));
4c0883fb 4017 cbp->cb_younger_ds_printed++;
da536844 4018 }
34dc7c2f 4019 }
34dc7c2f 4020 zfs_close(zhp);
4c0883fb
AP		 4021
4022 if (cbp->cb_younger_ds_printed == max_younger) {
4023 /*
4024 * This non-recursive rollback is going to fail due to the
4025 * presence of snapshots and/or bookmarks that are younger than
4026 * the rollback target.
4027 * We printed some of the offending objects, now we stop
4028 * zfs_iter_snapshot/bookmark iteration so we can fail fast and
4029 * avoid iterating over the rest of the younger objects
4030 */
4031 (void) fprintf(stderr, gettext("Output limited to %d "
4032 "snapshots/bookmarks\n"), max_younger);
4033 return (-1);
4034 }
34dc7c2f
BB		 4035 return (0);
4036}
4037
4038static int
4039zfs_do_rollback(int argc, char **argv)
4040{
ad60af8e 4041 int ret = 0;
34dc7c2f
BB		 4042 int c;
4043 boolean_t force = B_FALSE;
4044 rollback_cbdata_t cb = { 0 };
4045 zfs_handle_t *zhp, *snap;
eca7b760 4046 char parentname[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 4047 char *delim;
4c0883fb 4048 uint64_t min_txg = 0;
34dc7c2f
BB		 4049
4050 /* check options */
4051 while ((c = getopt(argc, argv, "rRf")) != -1) {
4052 switch (c) {
4053 case 'r':
4054 cb.cb_recurse = 1;
4055 break;
4056 case 'R':
4057 cb.cb_recurse = 1;
4058 cb.cb_doclones = 1;
4059 break;
4060 case 'f':
4061 force = B_TRUE;
4062 break;
4063 case '?':
4064 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4065 optopt);
4066 usage(B_FALSE);
4067 }
4068 }
4069
4070 argc -= optind;
4071 argv += optind;
4072
4073 /* check number of arguments */
4074 if (argc < 1) {
4075 (void) fprintf(stderr, gettext("missing dataset argument\n"));
4076 usage(B_FALSE);
4077 }
4078 if (argc > 1) {
4079 (void) fprintf(stderr, gettext("too many arguments\n"));
4080 usage(B_FALSE);
4081 }
4082
4083 /* open the snapshot */
4084 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
4085 return (1);
4086
4087 /* open the parent dataset */
4088 (void) strlcpy(parentname, argv[0], sizeof (parentname));
4089 verify((delim = strrchr(parentname, '@')) != NULL);
4090 *delim = '\0';
4091 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
4092 zfs_close(snap);
4093 return (1);
4094 }
4095
4096 /*
4097 * Check for more recent snapshots and/or clones based on the presence
4098 * of '-r' and '-R'.
4099 */
4100 cb.cb_target = argv[0];
4101 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
4102 cb.cb_first = B_TRUE;
4103 cb.cb_error = 0;
4c0883fb
AP		 4104
4105 if (cb.cb_create > 0)
4106 min_txg = cb.cb_create;
4107
399b9819 4108 if ((ret = zfs_iter_snapshots(zhp, B_FALSE, rollback_check, &cb,
4c0883fb 4109 min_txg, 0)) != 0)
da536844 4110 goto out;
399b9819 4111 if ((ret = zfs_iter_bookmarks(zhp, rollback_check, &cb)) != 0)
34dc7c2f
BB		 4112 goto out;
4113
4114 if ((ret = cb.cb_error) != 0)
4115 goto out;
4116
4117 /*
4118 * Rollback parent to the given snapshot.
4119 */
4120 ret = zfs_rollback(zhp, snap, force);
4121
4122out:
4123 zfs_close(snap);
4124 zfs_close(zhp);
4125
4126 if (ret == 0)
4127 return (0);
4128 else
4129 return (1);
4130}
4131
4132/*
23de906c 4133 * zfs set property=value ... { fs | snap | vol } ...
34dc7c2f 4134 *
23de906c 4135 * Sets the given properties for all datasets specified on the command line.
34dc7c2f 4136 */
34dc7c2f
BB		 4137
4138static int
4139set_callback(zfs_handle_t *zhp, void *data)
4140{
23de906c 4141 nvlist_t *props = data;
34dc7c2f 4142
23de906c 4143 if (zfs_prop_set_list(zhp, props) != 0) {
34dc7c2f
BB		 4144 switch (libzfs_errno(g_zfs)) {
4145 case EZFS_MOUNTFAILED:
4146 (void) fprintf(stderr, gettext("property may be set "
4147 "but unable to remount filesystem\n"));
4148 break;
4149 case EZFS_SHARENFSFAILED:
4150 (void) fprintf(stderr, gettext("property may be set "
4151 "but unable to reshare filesystem\n"));
4152 break;
4153 }
4154 return (1);
4155 }
4156 return (0);
4157}
4158
4159static int
4160zfs_do_set(int argc, char **argv)
4161{
23de906c
CW		 4162 nvlist_t *props = NULL;
4163 int ds_start = -1; /* argv idx of first dataset arg */
ad60af8e 4164 int ret = 0;
23de906c 4165 int i;
34dc7c2f
BB		 4166
4167 /* check for options */
4168 if (argc > 1 && argv[1][0] == '-') {
4169 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4170 argv[1][1]);
4171 usage(B_FALSE);
4172 }
4173
4174 /* check number of arguments */
4175 if (argc < 2) {
23de906c 4176 (void) fprintf(stderr, gettext("missing arguments\n"));
34dc7c2f
BB		 4177 usage(B_FALSE);
4178 }
4179 if (argc < 3) {
23de906c
CW		 4180 if (strchr(argv[1], '=') == NULL) {
4181 (void) fprintf(stderr, gettext("missing property=value "
4182 "argument(s)\n"));
4183 } else {
4184 (void) fprintf(stderr, gettext("missing dataset "
4185 "name(s)\n"));
4186 }
34dc7c2f
BB		 4187 usage(B_FALSE);
4188 }
4189
23de906c
CW		 4190 /* validate argument order: prop=val args followed by dataset args */
4191 for (i = 1; i < argc; i++) {
4192 if (strchr(argv[i], '=') != NULL) {
4193 if (ds_start > 0) {
4194 /* out-of-order prop=val argument */
4195 (void) fprintf(stderr, gettext("invalid "
4196 "argument order\n"));
4197 usage(B_FALSE);
4198 }
4199 } else if (ds_start < 0) {
4200 ds_start = i;
4201 }
4202 }
4203 if (ds_start < 0) {
4204 (void) fprintf(stderr, gettext("missing dataset name(s)\n"));
34dc7c2f
BB		 4205 usage(B_FALSE);
4206 }
4207
23de906c
CW		 4208 /* Populate a list of property settings */
4209 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4210 nomem();
4211 for (i = 1; i < ds_start; i++) {
a3eeab2d 4212 if (!parseprop(props, argv[i])) {
4213 ret = -1;
23de906c 4214 goto error;
a3eeab2d 4215 }
34dc7c2f
BB		 4216 }
4217
23de906c
CW		 4218 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0,
4219 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, props);
34dc7c2f 4220
23de906c
CW		 4221error:
4222 nvlist_free(props);
34dc7c2f
BB		 4223 return (ret);
4224}
4225
6f1ffb06
MA		 4226typedef struct snap_cbdata {
4227 nvlist_t *sd_nvl;
4228 boolean_t sd_recursive;
4229 const char *sd_snapname;
4230} snap_cbdata_t;
4231
4232static int
4233zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
4234{
4235 snap_cbdata_t *sd = arg;
4236 char *name;
4237 int rv = 0;
4238 int error;
4239
96c2e961
KW		 4240 if (sd->sd_recursive &&
4241 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) {
4242 zfs_close(zhp);
4243 return (0);
4244 }
4245
6f1ffb06
MA		 4246 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
4247 if (error == -1)
4248 nomem();
4249 fnvlist_add_boolean(sd->sd_nvl, name);
4250 free(name);
4251
4252 if (sd->sd_recursive)
399b9819 4253 rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd);
6f1ffb06
MA		 4254 zfs_close(zhp);
4255 return (rv);
4256}
4257
34dc7c2f 4258/*
b128c09f 4259 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 4260 *
4261 * Creates a snapshot with the given name. While functionally equivalent to
4262 * 'zfs create', it is a separate command to differentiate intent.
4263 */
4264static int
4265zfs_do_snapshot(int argc, char **argv)
4266{
ad60af8e 4267 int ret = 0;
0869b74a 4268 int c;
b128c09f 4269 nvlist_t *props;
6f1ffb06
MA		 4270 snap_cbdata_t sd = { 0 };
4271 boolean_t multiple_snaps = B_FALSE;
b128c09f 4272
428870ff
BB		 4273 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4274 nomem();
6f1ffb06
MA		 4275 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
4276 nomem();
34dc7c2f
BB		 4277
4278 /* check options */
b128c09f 4279 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 4280 switch (c) {
b128c09f 4281 case 'o':
a3eeab2d 4282 if (!parseprop(props, optarg)) {
a425f5bf 4283 nvlist_free(sd.sd_nvl);
4284 nvlist_free(props);
b128c09f 4285 return (1);
a425f5bf 4286 }
b128c09f 4287 break;
34dc7c2f 4288 case 'r':
6f1ffb06
MA		 4289 sd.sd_recursive = B_TRUE;
4290 multiple_snaps = B_TRUE;
34dc7c2f
BB		 4291 break;
4292 case '?':
4293 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4294 optopt);
b128c09f 4295 goto usage;
34dc7c2f
BB		 4296 }
4297 }
4298
4299 argc -= optind;
4300 argv += optind;
4301
4302 /* check number of arguments */
4303 if (argc < 1) {
4304 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 4305 goto usage;
34dc7c2f 4306 }
6f1ffb06
MA		 4307
4308 if (argc > 1)
4309 multiple_snaps = B_TRUE;
4310 for (; argc > 0; argc--, argv++) {
4311 char *atp;
4312 zfs_handle_t *zhp;
4313
4314 atp = strchr(argv[0], '@');
4315 if (atp == NULL)
4316 goto usage;
4317 *atp = '\0';
4318 sd.sd_snapname = atp + 1;
4319 zhp = zfs_open(g_zfs, argv[0],
4320 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4321 if (zhp == NULL)
4322 goto usage;
4323 if (zfs_snapshot_cb(zhp, &sd) != 0)
4324 goto usage;
34dc7c2f
BB		 4325 }
4326
6f1ffb06
MA		 4327 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
4328 nvlist_free(sd.sd_nvl);
b128c09f 4329 nvlist_free(props);
6f1ffb06 4330 if (ret != 0 && multiple_snaps)
34dc7c2f
BB		 4331 (void) fprintf(stderr, gettext("no snapshots were created\n"));
4332 return (ret != 0);
b128c09f
BB		 4333
4334usage:
6f1ffb06 4335 nvlist_free(sd.sd_nvl);
b128c09f
BB		 4336 nvlist_free(props);
4337 usage(B_FALSE);
4338 return (-1);
34dc7c2f
BB		 4339}
4340
6625262c
AZ		 4341/*
4342 * Array of prefixes to exclude –
4343 * a linear search, even if executed for each dataset,
4344 * is plenty good enough.
4345 */
565089f5
SEF		 4346typedef struct zfs_send_exclude_arg {
4347 size_t count;
6625262c 4348 const char **list;
565089f5
SEF		 4349} zfs_send_exclude_arg_t;
4350
565089f5
SEF		 4351static boolean_t
4352zfs_do_send_exclude(zfs_handle_t *zhp, void *context)
4353{
6625262c 4354 zfs_send_exclude_arg_t *excludes = context;
565089f5
SEF		 4355 const char *name = zfs_get_name(zhp);
4356
6625262c
AZ		 4357 for (size_t i = 0; i < excludes->count; ++i) {
4358 size_t len = strlen(excludes->list[i]);
4359 if (strncmp(name, excludes->list[i], len) == 0 &&
4360 memchr("/@", name[len], sizeof ("/@")))
565089f5 4361 return (B_FALSE);
565089f5
SEF		 4362 }
4363
4364 return (B_TRUE);
4365}
30af21b0 4366
34dc7c2f 4367/*
34dc7c2f
BB		 4368 * Send a backup stream to stdout.
4369 */
4370static int
4371zfs_do_send(int argc, char **argv)
4372{
4373 char *fromname = NULL;
4374 char *toname = NULL;
47dfff3b 4375 char *resume_token = NULL;
34dc7c2f
BB		 4376 char *cp;
4377 zfs_handle_t *zhp;
428870ff 4378 sendflags_t flags = { 0 };
34dc7c2f 4379 int c, err;
330d06f9 4380 nvlist_t *dbgnv = NULL;
30af21b0 4381 char *redactbook = NULL;
6625262c 4382 zfs_send_exclude_arg_t excludes = { 0 };
34dc7c2f 4383
a7004725
DK		 4384 struct option long_options[] = {
4385 {"replicate", no_argument, NULL, 'R'},
6625262c 4386 {"skip-missing", no_argument, NULL, 's'},
30af21b0 4387 {"redact", required_argument, NULL, 'd'},
a7004725
DK		 4388 {"props", no_argument, NULL, 'p'},
4389 {"parsable", no_argument, NULL, 'P'},
4390 {"dedup", no_argument, NULL, 'D'},
4391 {"verbose", no_argument, NULL, 'v'},
4392 {"dryrun", no_argument, NULL, 'n'},
4393 {"large-block", no_argument, NULL, 'L'},
4394 {"embed", no_argument, NULL, 'e'},
4395 {"resume", required_argument, NULL, 't'},
4396 {"compressed", no_argument, NULL, 'c'},
b5256303 4397 {"raw", no_argument, NULL, 'w'},
faa97c16 4398 {"backup", no_argument, NULL, 'b'},
9c5e88b1 4399 {"holds", no_argument, NULL, 'h'},
ba0ba69e 4400 {"saved", no_argument, NULL, 'S'},
565089f5 4401 {"exclude", required_argument, NULL, 'X'},
a7004725
DK		 4402 {0, 0, 0, 0}
4403 };
4404
34dc7c2f 4405 /* check options */
565089f5 4406 while ((c = getopt_long(argc, argv, ":i:I:RsDpvnPLeht:cwbd:SX:",
30af21b0 4407 long_options, NULL)) != -1) {
34dc7c2f 4408 switch (c) {
565089f5 4409 case 'X':
6625262c
AZ		 4410 for (char *ds; (ds = strsep(&optarg, ",")) != NULL; ) {
4411 if (!zfs_name_valid(ds, ZFS_TYPE_DATASET) ||
4412 strchr(ds, '/') == NULL) {
4413 (void) fprintf(stderr, gettext("-X %s: "
4414 "not a valid non-root dataset name"
4415 ".\n"), ds);
4416 usage(B_FALSE);
4417 }
4418 excludes.list = safe_realloc(excludes.list,
4419 sizeof (char *) * (excludes.count + 1));
4420 excludes.list[excludes.count++] = ds;
4421 }
565089f5 4422 break;
34dc7c2f
BB		 4423 case 'i':
4424 if (fromname)
4425 usage(B_FALSE);
4426 fromname = optarg;
4427 break;
4428 case 'I':
4429 if (fromname)
4430 usage(B_FALSE);
4431 fromname = optarg;
428870ff 4432 flags.doall = B_TRUE;
34dc7c2f
BB		 4433 break;
4434 case 'R':
428870ff
BB		 4435 flags.replicate = B_TRUE;
4436 break;
099fa7e4
PCG		 4437 case 's':
4438 flags.skipmissing = B_TRUE;
4439 break;
30af21b0
PD		 4440 case 'd':
4441 redactbook = optarg;
4442 break;
428870ff
BB		 4443 case 'p':
4444 flags.props = B_TRUE;
34dc7c2f 4445 break;
faa97c16 4446 case 'b':
4447 flags.backup = B_TRUE;
4448 break;
9c5e88b1
PZ		 4449 case 'h':
4450 flags.holds = B_TRUE;
4451 break;
330d06f9
MA		 4452 case 'P':
4453 flags.parsable = B_TRUE;
330d06f9 4454 break;
34dc7c2f 4455 case 'v':
30af21b0 4456 flags.verbosity++;
37abac6d 4457 flags.progress = B_TRUE;
428870ff
BB		 4458 break;
4459 case 'D':
196bee4c
MA		 4460 (void) fprintf(stderr,
4461 gettext("WARNING: deduplicated send is no "
4462 "longer supported. A regular,\n"
4463 "non-deduplicated stream will be generated.\n\n"));
34dc7c2f 4464 break;
330d06f9
MA		 4465 case 'n':
4466 flags.dryrun = B_TRUE;
4467 break;
f1512ee6
MA		 4468 case 'L':
4469 flags.largeblock = B_TRUE;
4470 break;
9b67f605
MA		 4471 case 'e':
4472 flags.embed_data = B_TRUE;
4473 break;
47dfff3b
MA		 4474 case 't':
4475 resume_token = optarg;
4476 break;
2aa34383
DK		 4477 case 'c':
4478 flags.compress = B_TRUE;
4479 break;
b5256303
TC		 4480 case 'w':
4481 flags.raw = B_TRUE;
4482 flags.compress = B_TRUE;
4483 flags.embed_data = B_TRUE;
4484 flags.largeblock = B_TRUE;
4485 break;
ba0ba69e
TC		 4486 case 'S':
4487 flags.saved = B_TRUE;
4488 break;
34dc7c2f 4489 case ':':
a873815b
GM		 4490 /*
4491 * If a parameter was not passed, optopt contains the
4492 * value that would normally lead us into the
4493 * appropriate case statement. If it's > 256, then this
4494 * must be a longopt and we should look at argv to get
4495 * the string. Otherwise it's just the character, so we
4496 * should use it directly.
4497 */
4498 if (optopt <= UINT8_MAX) {
4499 (void) fprintf(stderr,
4500 gettext("missing argument for '%c' "
4501 "option\n"), optopt);
4502 } else {
4503 (void) fprintf(stderr,
4504 gettext("missing argument for '%s' "
4505 "option\n"), argv[optind - 1]);
4506 }
219cf0f9 4507 free(excludes.list);
34dc7c2f
BB		 4508 usage(B_FALSE);
4509 break;
4510 case '?':
a873815b
GM		 4511 default:
4512 /*
4513 * If an invalid flag was passed, optopt contains the
4514 * character if it was a short flag, or 0 if it was a
4515 * longopt.
4516 */
4517 if (optopt != 0) {
4518 (void) fprintf(stderr,
4519 gettext("invalid option '%c'\n"), optopt);
4520 } else {
4521 (void) fprintf(stderr,
4522 gettext("invalid option '%s'\n"),
4523 argv[optind - 1]);
4524
4525 }
219cf0f9 4526 free(excludes.list);
34dc7c2f
BB		 4527 usage(B_FALSE);
4528 }
4529 }
4530
30af21b0
PD		 4531 if (flags.parsable && flags.verbosity == 0)
4532 flags.verbosity = 1;
4533
6625262c 4534 if (excludes.count > 0 && !flags.replicate) {
219cf0f9 4535 free(excludes.list);
565089f5
SEF		 4536 (void) fprintf(stderr, gettext("Cannot specify "
4537 "dataset exclusion (-X) on a non-recursive "
4538 "send.\n"));
4539 return (1);
4540 }
4541
34dc7c2f
BB		 4542 argc -= optind;
4543 argv += optind;
4544
47dfff3b
MA		 4545 if (resume_token != NULL) {
4546 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4547 flags.backup || flags.holds ||
ba0ba69e 4548 flags.saved || redactbook != NULL) {
219cf0f9 4549 free(excludes.list);
47dfff3b
MA		 4550 (void) fprintf(stderr,
4551 gettext("invalid flags combined with -t\n"));
4552 usage(B_FALSE);
4553 }
30af21b0 4554 if (argc > 0) {
219cf0f9 4555 free(excludes.list);
30af21b0 4556 (void) fprintf(stderr, gettext("too many arguments\n"));
47dfff3b
MA		 4557 usage(B_FALSE);
4558 }
4559 } else {
4560 if (argc < 1) {
219cf0f9 4561 free(excludes.list);
47dfff3b
MA		 4562 (void) fprintf(stderr,
4563 gettext("missing snapshot argument\n"));
4564 usage(B_FALSE);
4565 }
4566 if (argc > 1) {
219cf0f9 4567 free(excludes.list);
47dfff3b
MA		 4568 (void) fprintf(stderr, gettext("too many arguments\n"));
4569 usage(B_FALSE);
4570 }
34dc7c2f
BB		 4571 }
4572
ba0ba69e
TC		 4573 if (flags.saved) {
4574 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4575 flags.doall || flags.backup ||
ba0ba69e
TC		 4576 flags.holds || flags.largeblock || flags.embed_data ||
4577 flags.compress || flags.raw || redactbook != NULL) {
219cf0f9
RY		 4578 free(excludes.list);
4579
ba0ba69e
TC		 4580 (void) fprintf(stderr, gettext("incompatible flags "
4581 "combined with saved send flag\n"));
4582 usage(B_FALSE);
4583 }
4584 if (strchr(argv[0], '@') != NULL) {
219cf0f9
RY		 4585 free(excludes.list);
4586
ba0ba69e
TC		 4587 (void) fprintf(stderr, gettext("saved send must "
4588 "specify the dataset with partially-received "
4589 "state\n"));
4590 usage(B_FALSE);
4591 }
4592 }
4593
30af21b0 4594 if (flags.raw && redactbook != NULL) {
219cf0f9 4595 free(excludes.list);
30af21b0
PD		 4596 (void) fprintf(stderr,
4597 gettext("Error: raw sends may not be redacted.\n"));
4598 return (1);
4599 }
4600
330d06f9 4601 if (!flags.dryrun && isatty(STDOUT_FILENO)) {
219cf0f9 4602 free(excludes.list);
34dc7c2f
BB		 4603 (void) fprintf(stderr,
4604 gettext("Error: Stream can not be written to a terminal.\n"
4605 "You must redirect standard output.\n"));
4606 return (1);
4607 }
4608
ba0ba69e
TC		 4609 if (flags.saved) {
4610 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4611 if (zhp == NULL) {
4612 free(excludes.list);
ba0ba69e 4613 return (1);
219cf0f9 4614 }
ba0ba69e
TC		 4615
4616 err = zfs_send_saved(zhp, &flags, STDOUT_FILENO,
4617 resume_token);
219cf0f9 4618 free(excludes.list);
ba0ba69e
TC		 4619 zfs_close(zhp);
4620 return (err != 0);
4621 } else if (resume_token != NULL) {
219cf0f9 4622 free(excludes.list);
d1a5e959
AZ		 4623 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO,
4624 resume_token));
47dfff3b
MA		 4625 }
4626
099fa7e4 4627 if (flags.skipmissing && !flags.replicate) {
219cf0f9 4628 free(excludes.list);
099fa7e4
PCG		 4629 (void) fprintf(stderr,
4630 gettext("skip-missing flag can only be used in "
4631 "conjunction with replicate\n"));
4632 usage(B_FALSE);
4633 }
4634
da536844 4635 /*
30af21b0 4636 * For everything except -R and -I, use the new, cleaner code path.
da536844 4637 */
30af21b0 4638 if (!(flags.replicate || flags.doall)) {
eca7b760 4639 char frombuf[ZFS_MAX_DATASET_NAME_LEN];
da536844 4640
30af21b0
PD		 4641 if (fromname != NULL && (strchr(fromname, '#') == NULL &&
4642 strchr(fromname, '@') == NULL)) {
4643 /*
4644 * Neither bookmark or snapshot was specified. Print a
4645 * warning, and assume snapshot.
4646 */
4647 (void) fprintf(stderr, "Warning: incremental source "
4648 "didn't specify type, assuming snapshot. Use '@' "
4649 "or '#' prefix to avoid ambiguity.\n");
4650 (void) snprintf(frombuf, sizeof (frombuf), "@%s",
4651 fromname);
4652 fromname = frombuf;
4653 }
da536844
MA		 4654 if (fromname != NULL &&
4655 (fromname[0] == '#' || fromname[0] == '@')) {
4656 /*
4657 * Incremental source name begins with # or @.
4658 * Default to same fs as target.
4659 */
30af21b0
PD		 4660 char tmpbuf[ZFS_MAX_DATASET_NAME_LEN];
4661 (void) strlcpy(tmpbuf, fromname, sizeof (tmpbuf));
5df39c1e 4662 (void) strlcpy(frombuf, argv[0], sizeof (frombuf));
da536844
MA		 4663 cp = strchr(frombuf, '@');
4664 if (cp != NULL)
4665 *cp = '\0';
30af21b0 4666 (void) strlcat(frombuf, tmpbuf, sizeof (frombuf));
da536844
MA		 4667 fromname = frombuf;
4668 }
22df2457
RM		 4669
4670 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4671 if (zhp == NULL) {
4672 free(excludes.list);
22df2457 4673 return (1);
219cf0f9 4674 }
30af21b0
PD		 4675 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, &flags,
4676 redactbook);
219cf0f9
RY		 4677
4678 free(excludes.list);
da536844
MA		 4679 zfs_close(zhp);
4680 return (err != 0);
34dc7c2f 4681 }
da536844 4682
30af21b0
PD		 4683 if (fromname != NULL && strchr(fromname, '#')) {
4684 (void) fprintf(stderr,
4685 gettext("Error: multiple snapshots cannot be "
4686 "sent from a bookmark.\n"));
219cf0f9 4687 free(excludes.list);
30af21b0
PD		 4688 return (1);
4689 }
4690
4691 if (redactbook != NULL) {
4692 (void) fprintf(stderr, gettext("Error: multiple snapshots "
4693 "cannot be sent redacted.\n"));
219cf0f9 4694 free(excludes.list);
30af21b0
PD		 4695 return (1);
4696 }
4697
1d20b763 4698 if ((cp = strchr(argv[0], '@')) == NULL) {
4699 (void) fprintf(stderr, gettext("Error: "
4700 "Unsupported flag with filesystem or bookmark.\n"));
219cf0f9 4701 free(excludes.list);
1d20b763 4702 return (1);
4703 }
0b7936d5
AS		 4704 *cp = '\0';
4705 toname = cp + 1;
4706 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
219cf0f9
RY		 4707 if (zhp == NULL) {
4708 free(excludes.list);
0b7936d5 4709 return (1);
219cf0f9 4710 }
0b7936d5
AS		 4711
4712 /*
4713 * If they specified the full path to the snapshot, chop off
4714 * everything except the short name of the snapshot, but special
4715 * case if they specify the origin.
4716 */
4717 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
eca7b760 4718 char origin[ZFS_MAX_DATASET_NAME_LEN];
610cb4fb 4719 zprop_source_t src;
0b7936d5
AS		 4720
4721 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
4722 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
4723
4724 if (strcmp(origin, fromname) == 0) {
4725 fromname = NULL;
4726 flags.fromorigin = B_TRUE;
4727 } else {
4728 *cp = '\0';
4729 if (cp != fromname && strcmp(argv[0], fromname)) {
219cf0f9
RY		 4730 zfs_close(zhp);
4731 free(excludes.list);
0b7936d5
AS		 4732 (void) fprintf(stderr,
4733 gettext("incremental source must be "
4734 "in same filesystem\n"));
4735 usage(B_FALSE);
4736 }
4737 fromname = cp + 1;
4738 if (strchr(fromname, '@') || strchr(fromname, '/')) {
219cf0f9
RY		 4739 zfs_close(zhp);
4740 free(excludes.list);
0b7936d5
AS		 4741 (void) fprintf(stderr,
4742 gettext("invalid incremental source\n"));
4743 usage(B_FALSE);
4744 }
4745 }
4746 }
4747
4748 if (flags.replicate && fromname == NULL)
4749 flags.doall = B_TRUE;
4750
565089f5 4751 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO,
6625262c
AZ		 4752 excludes.count > 0 ? zfs_do_send_exclude : NULL,
4753 &excludes, flags.verbosity >= 3 ? &dbgnv : NULL);
0b7936d5 4754
30af21b0 4755 if (flags.verbosity >= 3 && dbgnv != NULL) {
0b7936d5
AS		 4756 /*
4757 * dump_nvlist prints to stdout, but that's been
4758 * redirected to a file. Make it print to stderr
4759 * instead.
4760 */
4761 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
4762 dump_nvlist(dbgnv, 0);
4763 nvlist_free(dbgnv);
4764 }
0b7936d5 4765
6625262c
AZ		 4766 zfs_close(zhp);
4767 free(excludes.list);
0b7936d5
AS		 4768 return (err != 0);
4769}
4770
4771/*
0b7936d5
AS		 4772 * Restore a backup stream from stdin.
4773 */
4774static int
4775zfs_do_receive(int argc, char **argv)
4776{
648a09ad 4777 int c, err = 0;
0b7936d5 4778 recvflags_t flags = { 0 };
47dfff3b 4779 boolean_t abort_resumable = B_FALSE;
fcff0f35 4780 nvlist_t *props;
fcff0f35
PD		 4781
4782 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4783 nomem();
0b7936d5
AS		 4784
4785 /* check options */
e8cf3a4f 4786 while ((c = getopt(argc, argv, ":o:x:dehMnuvFsAc")) != -1) {
0b7936d5 4787 switch (c) {
fcff0f35 4788 case 'o':
a3eeab2d 4789 if (!parseprop(props, optarg)) {
a425f5bf 4790 nvlist_free(props);
a3eeab2d 4791 usage(B_FALSE);
4792 }
4793 break;
4794 case 'x':
4795 if (!parsepropname(props, optarg)) {
4796 nvlist_free(props);
4797 usage(B_FALSE);
a425f5bf 4798 }
fcff0f35 4799 break;
0b7936d5 4800 case 'd':
bdbd5477 4801 if (flags.istail) {
4802 (void) fprintf(stderr, gettext("invalid option "
4803 "combination: -d and -e are mutually "
4804 "exclusive\n"));
4805 usage(B_FALSE);
4806 }
0b7936d5
AS		 4807 flags.isprefix = B_TRUE;
4808 break;
4809 case 'e':
bdbd5477 4810 if (flags.isprefix) {
4811 (void) fprintf(stderr, gettext("invalid option "
4812 "combination: -d and -e are mutually "
4813 "exclusive\n"));
4814 usage(B_FALSE);
4815 }
0b7936d5
AS		 4816 flags.istail = B_TRUE;
4817 break;
9c5e88b1
PZ		 4818 case 'h':
4819 flags.skipholds = B_TRUE;
4820 break;
a57d3d45
MZ		 4821 case 'M':
4822 flags.forceunmount = B_TRUE;
4823 break;
0b7936d5
AS		 4824 case 'n':
4825 flags.dryrun = B_TRUE;
4826 break;
4827 case 'u':
4828 flags.nomount = B_TRUE;
4829 break;
4830 case 'v':
4831 flags.verbose = B_TRUE;
4832 break;
47dfff3b
MA		 4833 case 's':
4834 flags.resumable = B_TRUE;
4835 break;
0b7936d5
AS		 4836 case 'F':
4837 flags.force = B_TRUE;
4838 break;
47dfff3b
MA		 4839 case 'A':
4840 abort_resumable = B_TRUE;
4841 break;
e8cf3a4f
AP		 4842 case 'c':
4843 flags.heal = B_TRUE;
4844 break;
0b7936d5
AS		 4845 case ':':
4846 (void) fprintf(stderr, gettext("missing argument for "
4847 "'%c' option\n"), optopt);
4848 usage(B_FALSE);
4849 break;
4850 case '?':
4851 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4852 optopt);
4853 usage(B_FALSE);
4854 }
4855 }
4856
4857 argc -= optind;
4858 argv += optind;
4859
bdbd5477 4860 /* zfs recv -e (use "tail" name) implies -d (remove dataset "head") */
4861 if (flags.istail)
4862 flags.isprefix = B_TRUE;
4863
0b7936d5
AS		 4864 /* check number of arguments */
4865 if (argc < 1) {
4866 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
4867 usage(B_FALSE);
4868 }
4869 if (argc > 1) {
4870 (void) fprintf(stderr, gettext("too many arguments\n"));
4871 usage(B_FALSE);
4872 }
4873
47dfff3b
MA		 4874 if (abort_resumable) {
4875 if (flags.isprefix || flags.istail || flags.dryrun ||
4876 flags.resumable || flags.nomount) {
88c30122 4877 (void) fprintf(stderr, gettext("invalid option\n"));
47dfff3b
MA		 4878 usage(B_FALSE);
4879 }
4880
eca7b760 4881 char namebuf[ZFS_MAX_DATASET_NAME_LEN];
47dfff3b
MA		 4882 (void) snprintf(namebuf, sizeof (namebuf),
4883 "%s/%%recv", argv[0]);
4884
4885 if (zfs_dataset_exists(g_zfs, namebuf,
4886 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) {
4887 zfs_handle_t *zhp = zfs_open(g_zfs,
4888 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 4889 if (zhp == NULL) {
4890 nvlist_free(props);
47dfff3b 4891 return (1);
a425f5bf 4892 }
47dfff3b 4893 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4894 zfs_close(zhp);
47dfff3b
MA		 4895 } else {
4896 zfs_handle_t *zhp = zfs_open(g_zfs,
4897 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4898 if (zhp == NULL)
4899 usage(B_FALSE);
4900 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) ||
4901 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
4902 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) {
4903 (void) fprintf(stderr,
4904 gettext("'%s' does not have any "
4905 "resumable receive state to abort\n"),
4906 argv[0]);
a425f5bf 4907 nvlist_free(props);
4908 zfs_close(zhp);
47dfff3b
MA		 4909 return (1);
4910 }
4911 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4912 zfs_close(zhp);
47dfff3b 4913 }
a425f5bf 4914 nvlist_free(props);
47dfff3b
MA		 4915 return (err != 0);
4916 }
4917
0b7936d5
AS		 4918 if (isatty(STDIN_FILENO)) {
4919 (void) fprintf(stderr,
4920 gettext("Error: Backup stream can not be read "
4921 "from a terminal.\n"
4922 "You must redirect standard input.\n"));
a425f5bf 4923 nvlist_free(props);
0b7936d5
AS		 4924 return (1);
4925 }
fcff0f35 4926 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL);
a425f5bf 4927 nvlist_free(props);
0b7936d5
AS		 4928
4929 return (err != 0);
4930}
4931
4932/*
4933 * allow/unallow stuff
4934 */
4935/* copied from zfs/sys/dsl_deleg.h */
4936#define ZFS_DELEG_PERM_CREATE "create"
4937#define ZFS_DELEG_PERM_DESTROY "destroy"
4938#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
4939#define ZFS_DELEG_PERM_ROLLBACK "rollback"
4940#define ZFS_DELEG_PERM_CLONE "clone"
4941#define ZFS_DELEG_PERM_PROMOTE "promote"
4942#define ZFS_DELEG_PERM_RENAME "rename"
4943#define ZFS_DELEG_PERM_MOUNT "mount"
4944#define ZFS_DELEG_PERM_SHARE "share"
4945#define ZFS_DELEG_PERM_SEND "send"
4946#define ZFS_DELEG_PERM_RECEIVE "receive"
4947#define ZFS_DELEG_PERM_ALLOW "allow"
4948#define ZFS_DELEG_PERM_USERPROP "userprop"
4949#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
4950#define ZFS_DELEG_PERM_USERQUOTA "userquota"
4951#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
4952#define ZFS_DELEG_PERM_USERUSED "userused"
4953#define ZFS_DELEG_PERM_GROUPUSED "groupused"
1de321e6
JX		 4954#define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
4955#define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
4956#define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
4957#define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
4958
0b7936d5
AS		 4959#define ZFS_DELEG_PERM_HOLD "hold"
4960#define ZFS_DELEG_PERM_RELEASE "release"
4961#define ZFS_DELEG_PERM_DIFF "diff"
da536844 4962#define ZFS_DELEG_PERM_BOOKMARK "bookmark"
b5256303
TC		 4963#define ZFS_DELEG_PERM_LOAD_KEY "load-key"
4964#define ZFS_DELEG_PERM_CHANGE_KEY "change-key"
0b7936d5 4965
9c5167d1
NF		 4966#define ZFS_DELEG_PERM_PROJECTUSED "projectused"
4967#define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota"
4968#define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused"
4969#define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota"
4970
0b7936d5
AS		 4971#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
4972
4973static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
4974 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
4975 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
4976 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
4977 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
4978 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
4979 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
4980 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
4981 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
4982 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
4983 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
4984 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
4985 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
4986 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
4987 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
4988 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
da536844 4989 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK },
b5256303
TC		 4990 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY },
4991 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY },
0b7936d5
AS		 4992
4993 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
4994 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
4995 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
4996 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
4997 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
1de321e6
JX		 4998 { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA },
4999 { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED },
5000 { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA },
5001 { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED },
9c5167d1
NF		 5002 { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED },
5003 { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA },
5004 { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED },
5005 { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA },
0b7936d5
AS		 5006 { NULL, ZFS_DELEG_NOTE_NONE }
5007};
5008
5009/* permission structure */
5010typedef struct deleg_perm {
5011 zfs_deleg_who_type_t dp_who_type;
5012 const char *dp_name;
5013 boolean_t dp_local;
5014 boolean_t dp_descend;
5015} deleg_perm_t;
5016
5017/* */
5018typedef struct deleg_perm_node {
5019 deleg_perm_t dpn_perm;
5020
5021 uu_avl_node_t dpn_avl_node;
5022} deleg_perm_node_t;
5023
5024typedef struct fs_perm fs_perm_t;
5025
5026/* permissions set */
5027typedef struct who_perm {
5028 zfs_deleg_who_type_t who_type;
5029 const char *who_name; /* id */
5030 char who_ug_name[256]; /* user/group name */
5031 fs_perm_t *who_fsperm; /* uplink */
5032
5033 uu_avl_t *who_deleg_perm_avl; /* permissions */
5034} who_perm_t;
5035
5036/* */
5037typedef struct who_perm_node {
5038 who_perm_t who_perm;
5039 uu_avl_node_t who_avl_node;
5040} who_perm_node_t;
5041
5042typedef struct fs_perm_set fs_perm_set_t;
5043/* fs permissions */
5044struct fs_perm {
5045 const char *fsp_name;
5046
5047 uu_avl_t *fsp_sc_avl; /* sets,create */
5048 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
5049
5050 fs_perm_set_t *fsp_set; /* uplink */
5051};
5052
5053/* */
5054typedef struct fs_perm_node {
5055 fs_perm_t fspn_fsperm;
5056 uu_avl_t *fspn_avl;
5057
5058 uu_list_node_t fspn_list_node;
5059} fs_perm_node_t;
5060
5061/* top level structure */
5062struct fs_perm_set {
5063 uu_list_pool_t *fsps_list_pool;
5064 uu_list_t *fsps_list; /* list of fs_perms */
5065
5066 uu_avl_pool_t *fsps_named_set_avl_pool;
5067 uu_avl_pool_t *fsps_who_perm_avl_pool;
5068 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
5069};
5070
5071static inline const char *
5072deleg_perm_type(zfs_deleg_note_t note)
5073{
5074 /* subcommands */
5075 switch (note) {
5076 /* SUBCOMMANDS */
5077 /* OTHER */
5078 case ZFS_DELEG_NOTE_GROUPQUOTA:
5079 case ZFS_DELEG_NOTE_GROUPUSED:
5080 case ZFS_DELEG_NOTE_USERPROP:
5081 case ZFS_DELEG_NOTE_USERQUOTA:
5082 case ZFS_DELEG_NOTE_USERUSED:
1de321e6
JX		 5083 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5084 case ZFS_DELEG_NOTE_USEROBJUSED:
5085 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5086 case ZFS_DELEG_NOTE_GROUPOBJUSED:
9c5167d1
NF		 5087 case ZFS_DELEG_NOTE_PROJECTUSED:
5088 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5089 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5090 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
0b7936d5
AS		 5091 /* other */
5092 return (gettext("other"));
5093 default:
5094 return (gettext("subcommand"));
5095 }
5096}
5097
648a09ad 5098static int
0b7936d5
AS		 5099who_type2weight(zfs_deleg_who_type_t who_type)
5100{
5101 int res;
5102 switch (who_type) {
5103 case ZFS_DELEG_NAMED_SET_SETS:
5104 case ZFS_DELEG_NAMED_SET:
5105 res = 0;
5106 break;
5107 case ZFS_DELEG_CREATE_SETS:
5108 case ZFS_DELEG_CREATE:
5109 res = 1;
5110 break;
5111 case ZFS_DELEG_USER_SETS:
5112 case ZFS_DELEG_USER:
5113 res = 2;
5114 break;
5115 case ZFS_DELEG_GROUP_SETS:
5116 case ZFS_DELEG_GROUP:
5117 res = 3;
5118 break;
5119 case ZFS_DELEG_EVERYONE_SETS:
5120 case ZFS_DELEG_EVERYONE:
5121 res = 4;
5122 break;
5123 default:
5124 res = -1;
5125 }
5126
5127 return (res);
5128}
5129
0b7936d5
AS		 5130static int
5131who_perm_compare(const void *larg, const void *rarg, void *unused)
5132{
f291fa65 5133 (void) unused;
0b7936d5
AS		 5134 const who_perm_node_t *l = larg;
5135 const who_perm_node_t *r = rarg;
5136 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
5137 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
5138 int lweight = who_type2weight(ltype);
5139 int rweight = who_type2weight(rtype);
5140 int res = lweight - rweight;
5141 if (res == 0)
5142 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
5143 ZFS_MAX_DELEG_NAME-1);
5144
5145 if (res == 0)
5146 return (0);
5147 if (res > 0)
5148 return (1);
5149 else
5150 return (-1);
5151}
5152
0b7936d5
AS		 5153static int
5154deleg_perm_compare(const void *larg, const void *rarg, void *unused)
5155{
f291fa65 5156 (void) unused;
0b7936d5
AS		 5157 const deleg_perm_node_t *l = larg;
5158 const deleg_perm_node_t *r = rarg;
5159 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
5160 ZFS_MAX_DELEG_NAME-1);
5161
5162 if (res == 0)
5163 return (0);
5164
5165 if (res > 0)
5166 return (1);
5167 else
5168 return (-1);
5169}
5170
5171static inline void
5172fs_perm_set_init(fs_perm_set_t *fspset)
5173{
861166b0 5174 memset(fspset, 0, sizeof (fs_perm_set_t));
0b7936d5
AS		 5175
5176 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
5177 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
5178 NULL, UU_DEFAULT)) == NULL)
5179 nomem();
5180 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
5181 UU_DEFAULT)) == NULL)
5182 nomem();
5183
5184 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
5185 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
5186 who_perm_node_t, who_avl_node), who_perm_compare,
5187 UU_DEFAULT)) == NULL)
5188 nomem();
5189
5190 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
5191 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
5192 who_perm_node_t, who_avl_node), who_perm_compare,
5193 UU_DEFAULT)) == NULL)
5194 nomem();
5195
5196 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
5197 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
5198 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
5199 == NULL)
5200 nomem();
5201}
5202
5203static inline void fs_perm_fini(fs_perm_t *);
5204static inline void who_perm_fini(who_perm_t *);
5205
5206static inline void
5207fs_perm_set_fini(fs_perm_set_t *fspset)
5208{
5209 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
5210
5211 while (node != NULL) {
5212 fs_perm_node_t *next_node =
5213 uu_list_next(fspset->fsps_list, node);
5214 fs_perm_t *fsperm = &node->fspn_fsperm;
5215 fs_perm_fini(fsperm);
5216 uu_list_remove(fspset->fsps_list, node);
5217 free(node);
5218 node = next_node;
5219 }
5220
5221 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
5222 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
5223 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
5224}
5225
5226static inline void
5227deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
5228 const char *name)
5229{
5230 deleg_perm->dp_who_type = type;
5231 deleg_perm->dp_name = name;
5232}
5233
5234static inline void
5235who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
5236 zfs_deleg_who_type_t type, const char *name)
5237{
5238 uu_avl_pool_t *pool;
5239 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
5240
861166b0 5241 memset(who_perm, 0, sizeof (who_perm_t));
0b7936d5
AS		 5242
5243 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
5244 UU_DEFAULT)) == NULL)
5245 nomem();
5246
5247 who_perm->who_type = type;
5248 who_perm->who_name = name;
5249 who_perm->who_fsperm = fsperm;
5250}
5251
5252static inline void
5253who_perm_fini(who_perm_t *who_perm)
5254{
5255 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
5256
5257 while (node != NULL) {
5258 deleg_perm_node_t *next_node =
5259 uu_avl_next(who_perm->who_deleg_perm_avl, node);
5260
5261 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
5262 free(node);
5263 node = next_node;
5264 }
5265
5266 uu_avl_destroy(who_perm->who_deleg_perm_avl);
5267}
5268
5269static inline void
5270fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
5271{
5272 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
5273 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
5274
861166b0 5275 memset(fsperm, 0, sizeof (fs_perm_t));
0b7936d5
AS		 5276
5277 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
5278 == NULL)
5279 nomem();
5280
5281 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
5282 == NULL)
5283 nomem();
5284
5285 fsperm->fsp_set = fspset;
5286 fsperm->fsp_name = fsname;
5287}
5288
5289static inline void
5290fs_perm_fini(fs_perm_t *fsperm)
5291{
5292 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
5293 while (node != NULL) {
5294 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
5295 node);
5296 who_perm_t *who_perm = &node->who_perm;
5297 who_perm_fini(who_perm);
5298 uu_avl_remove(fsperm->fsp_sc_avl, node);
5299 free(node);
5300 node = next_node;
5301 }
5302
5303 node = uu_avl_first(fsperm->fsp_uge_avl);
5304 while (node != NULL) {
5305 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
5306 node);
5307 who_perm_t *who_perm = &node->who_perm;
5308 who_perm_fini(who_perm);
5309 uu_avl_remove(fsperm->fsp_uge_avl, node);
5310 free(node);
5311 node = next_node;
5312 }
5313
5314 uu_avl_destroy(fsperm->fsp_sc_avl);
5315 uu_avl_destroy(fsperm->fsp_uge_avl);
5316}
5317
648a09ad 5318static void
0b7936d5
AS		 5319set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
5320 zfs_deleg_who_type_t who_type, const char *name, char locality)
5321{
5322 uu_avl_index_t idx = 0;
5323
5324 deleg_perm_node_t *found_node = NULL;
5325 deleg_perm_t *deleg_perm = &node->dpn_perm;
5326
5327 deleg_perm_init(deleg_perm, who_type, name);
5328
5329 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5330 == NULL)
5331 uu_avl_insert(avl, node, idx);
5332 else {
5333 node = found_node;
5334 deleg_perm = &node->dpn_perm;
5335 }
5336
5337
5338 switch (locality) {
5339 case ZFS_DELEG_LOCAL:
5340 deleg_perm->dp_local = B_TRUE;
5341 break;
5342 case ZFS_DELEG_DESCENDENT:
5343 deleg_perm->dp_descend = B_TRUE;
5344 break;
5345 case ZFS_DELEG_NA:
5346 break;
5347 default:
5348 assert(B_FALSE); /* invalid locality */
5349 }
5350}
5351
5352static inline int
5353parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
5354{
5355 nvpair_t *nvp = NULL;
5356 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
5357 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
5358 zfs_deleg_who_type_t who_type = who_perm->who_type;
5359
5360 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5361 const char *name = nvpair_name(nvp);
5362 data_type_t type = nvpair_type(nvp);
5363 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
5364 deleg_perm_node_t *node =
5365 safe_malloc(sizeof (deleg_perm_node_t));
5366
5367 VERIFY(type == DATA_TYPE_BOOLEAN);
5368
5369 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
5370 set_deleg_perm_node(avl, node, who_type, name, locality);
5371 }
5372
5373 return (0);
5374}
5375
5376static inline int
5377parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
5378{
5379 nvpair_t *nvp = NULL;
5380 fs_perm_set_t *fspset = fsperm->fsp_set;
5381
5382 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5383 nvlist_t *nvl2 = NULL;
5384 const char *name = nvpair_name(nvp);
5385 uu_avl_t *avl = NULL;
5386 uu_avl_pool_t *avl_pool = NULL;
5387 zfs_deleg_who_type_t perm_type = name[0];
5388 char perm_locality = name[1];
5389 const char *perm_name = name + 3;
0b7936d5
AS		 5390 who_perm_t *who_perm = NULL;
5391
5392 assert('$' == name[2]);
5393
5394 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5395 return (-1);
5396
5397 switch (perm_type) {
5398 case ZFS_DELEG_CREATE:
5399 case ZFS_DELEG_CREATE_SETS:
5400 case ZFS_DELEG_NAMED_SET:
5401 case ZFS_DELEG_NAMED_SET_SETS:
5402 avl_pool = fspset->fsps_named_set_avl_pool;
5403 avl = fsperm->fsp_sc_avl;
5404 break;
5405 case ZFS_DELEG_USER:
5406 case ZFS_DELEG_USER_SETS:
5407 case ZFS_DELEG_GROUP:
5408 case ZFS_DELEG_GROUP_SETS:
5409 case ZFS_DELEG_EVERYONE:
5410 case ZFS_DELEG_EVERYONE_SETS:
5411 avl_pool = fspset->fsps_who_perm_avl_pool;
5412 avl = fsperm->fsp_uge_avl;
5413 break;
648a09ad 5414
0b7936d5 5415 default:
648a09ad 5416 assert(!"unhandled zfs_deleg_who_type_t");
0b7936d5
AS		 5417 }
5418
1e49b288
BB		 5419 who_perm_node_t *found_node = NULL;
5420 who_perm_node_t *node = safe_malloc(
5421 sizeof (who_perm_node_t));
5422 who_perm = &node->who_perm;
5423 uu_avl_index_t idx = 0;
5424
5425 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
5426 who_perm_init(who_perm, fsperm, perm_type, perm_name);
5427
5428 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5429 == NULL) {
5430 if (avl == fsperm->fsp_uge_avl) {
5431 uid_t rid = 0;
5432 struct passwd *p = NULL;
5433 struct group *g = NULL;
5434 const char *nice_name = NULL;
5435
5436 switch (perm_type) {
5437 case ZFS_DELEG_USER_SETS:
5438 case ZFS_DELEG_USER:
5439 rid = atoi(perm_name);
5440 p = getpwuid(rid);
5441 if (p)
5442 nice_name = p->pw_name;
5443 break;
5444 case ZFS_DELEG_GROUP_SETS:
5445 case ZFS_DELEG_GROUP:
5446 rid = atoi(perm_name);
5447 g = getgrgid(rid);
5448 if (g)
5449 nice_name = g->gr_name;
5450 break;
0b7936d5 5451
1e49b288
BB		 5452 default:
5453 break;
0b7936d5
AS		 5454 }
5455
a8bd6dcf 5456 if (nice_name != NULL) {
1e49b288
BB		 5457 (void) strlcpy(
5458 node->who_perm.who_ug_name,
5459 nice_name, 256);
a8bd6dcf
AG		 5460 } else {
5461 /* User or group unknown */
5462 (void) snprintf(
5463 node->who_perm.who_ug_name,
5464 sizeof (node->who_perm.who_ug_name),
5465 "(unknown: %d)", rid);
5466 }
0b7936d5 5467 }
1e49b288
BB		 5468
5469 uu_avl_insert(avl, node, idx);
5470 } else {
5471 node = found_node;
5472 who_perm = &node->who_perm;
0b7936d5 5473 }
1e49b288
BB		 5474
5475 assert(who_perm != NULL);
0b7936d5
AS		 5476 (void) parse_who_perm(who_perm, nvl2, perm_locality);
5477 }
5478
5479 return (0);
5480}
5481
5482static inline int
5483parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
5484{
5485 nvpair_t *nvp = NULL;
5486 uu_avl_index_t idx = 0;
5487
5488 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5489 nvlist_t *nvl2 = NULL;
5490 const char *fsname = nvpair_name(nvp);
5491 data_type_t type = nvpair_type(nvp);
5492 fs_perm_t *fsperm = NULL;
5493 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
0b7936d5
AS		 5494
5495 fsperm = &node->fspn_fsperm;
5496
5497 VERIFY(DATA_TYPE_NVLIST == type);
5498
5499 uu_list_node_init(node, &node->fspn_list_node,
5500 fspset->fsps_list_pool);
5501
5502 idx = uu_list_numnodes(fspset->fsps_list);
5503 fs_perm_init(fsperm, fspset, fsname);
5504
5505 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5506 return (-1);
5507
5508 (void) parse_fs_perm(fsperm, nvl2);
5509
5510 uu_list_insert(fspset->fsps_list, node, idx);
5511 }
5512
5513 return (0);
5514}
5515
5516static inline const char *
5517deleg_perm_comment(zfs_deleg_note_t note)
5518{
5519 const char *str = "";
5520
5521 /* subcommands */
5522 switch (note) {
5523 /* SUBCOMMANDS */
5524 case ZFS_DELEG_NOTE_ALLOW:
5525 str = gettext("Must also have the permission that is being"
5526 "\n\t\t\t\tallowed");
5527 break;
5528 case ZFS_DELEG_NOTE_CLONE:
5529 str = gettext("Must also have the 'create' ability and 'mount'"
5530 "\n\t\t\t\tability in the origin file system");
5531 break;
5532 case ZFS_DELEG_NOTE_CREATE:
5533 str = gettext("Must also have the 'mount' ability");
5534 break;
5535 case ZFS_DELEG_NOTE_DESTROY:
5536 str = gettext("Must also have the 'mount' ability");
5537 break;
5538 case ZFS_DELEG_NOTE_DIFF:
5539 str = gettext("Allows lookup of paths within a dataset;"
5540 "\n\t\t\t\tgiven an object number. Ordinary users need this"
5541 "\n\t\t\t\tin order to use zfs diff");
5542 break;
5543 case ZFS_DELEG_NOTE_HOLD:
5544 str = gettext("Allows adding a user hold to a snapshot");
5545 break;
5546 case ZFS_DELEG_NOTE_MOUNT:
5547 str = gettext("Allows mount/umount of ZFS datasets");
5548 break;
5549 case ZFS_DELEG_NOTE_PROMOTE:
5550 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
5551 " 'promote' ability in the origin file system");
5552 break;
5553 case ZFS_DELEG_NOTE_RECEIVE:
5554 str = gettext("Must also have the 'mount' and 'create'"
5555 " ability");
5556 break;
5557 case ZFS_DELEG_NOTE_RELEASE:
5558 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
5559 "might destroy the snapshot");
5560 break;
5561 case ZFS_DELEG_NOTE_RENAME:
5562 str = gettext("Must also have the 'mount' and 'create'"
5563 "\n\t\t\t\tability in the new parent");
5564 break;
5565 case ZFS_DELEG_NOTE_ROLLBACK:
5566 str = gettext("");
5567 break;
5568 case ZFS_DELEG_NOTE_SEND:
5569 str = gettext("");
5570 break;
5571 case ZFS_DELEG_NOTE_SHARE:
5572 str = gettext("Allows sharing file systems over NFS or SMB"
5573 "\n\t\t\t\tprotocols");
5574 break;
5575 case ZFS_DELEG_NOTE_SNAPSHOT:
5576 str = gettext("");
5577 break;
b5256303
TC		 5578 case ZFS_DELEG_NOTE_LOAD_KEY:
5579 str = gettext("Allows loading or unloading an encryption key");
5580 break;
5581 case ZFS_DELEG_NOTE_CHANGE_KEY:
5582 str = gettext("Allows changing or adding an encryption key");
5583 break;
0b7936d5
AS		 5584/*
5585 * case ZFS_DELEG_NOTE_VSCAN:
5586 * str = gettext("");
5587 * break;
5588 */
5589 /* OTHER */
5590 case ZFS_DELEG_NOTE_GROUPQUOTA:
5591 str = gettext("Allows accessing any groupquota@... property");
5592 break;
5593 case ZFS_DELEG_NOTE_GROUPUSED:
5594 str = gettext("Allows reading any groupused@... property");
5595 break;
5596 case ZFS_DELEG_NOTE_USERPROP:
5597 str = gettext("Allows changing any user property");
5598 break;
5599 case ZFS_DELEG_NOTE_USERQUOTA:
5600 str = gettext("Allows accessing any userquota@... property");
5601 break;
5602 case ZFS_DELEG_NOTE_USERUSED:
5603 str = gettext("Allows reading any userused@... property");
5604 break;
1de321e6
JX		 5605 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5606 str = gettext("Allows accessing any userobjquota@... property");
5607 break;
5608 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5609 str = gettext("Allows accessing any \n\t\t\t\t"
5610 "groupobjquota@... property");
5611 break;
5612 case ZFS_DELEG_NOTE_GROUPOBJUSED:
5613 str = gettext("Allows reading any groupobjused@... property");
5614 break;
5615 case ZFS_DELEG_NOTE_USEROBJUSED:
5616 str = gettext("Allows reading any userobjused@... property");
5617 break;
9c5167d1
NF		 5618 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5619 str = gettext("Allows accessing any projectquota@... property");
5620 break;
5621 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
5622 str = gettext("Allows accessing any \n\t\t\t\t"
5623 "projectobjquota@... property");
5624 break;
5625 case ZFS_DELEG_NOTE_PROJECTUSED:
5626 str = gettext("Allows reading any projectused@... property");
5627 break;
5628 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5629 str = gettext("Allows accessing any \n\t\t\t\t"
5630 "projectobjused@... property");
5631 break;
0b7936d5
AS		 5632 /* other */
5633 default:
5634 str = "";
5635 }
5636
5637 return (str);
5638}
5639
5640struct allow_opts {
5641 boolean_t local;
5642 boolean_t descend;
5643 boolean_t user;
5644 boolean_t group;
5645 boolean_t everyone;
5646 boolean_t create;
5647 boolean_t set;
5648 boolean_t recursive; /* unallow only */
5649 boolean_t prt_usage;
5650
5651 boolean_t prt_perms;
5652 char *who;
5653 char *perms;
5654 const char *dataset;
5655};
5656
5657static inline int
5658prop_cmp(const void *a, const void *b)
5659{
5660 const char *str1 = *(const char **)a;
5661 const char *str2 = *(const char **)b;
5662 return (strcmp(str1, str2));
5663}
5664
5665static void
5666allow_usage(boolean_t un, boolean_t requested, const char *msg)
5667{
5668 const char *opt_desc[] = {
5669 "-h", gettext("show this help message and exit"),
5670 "-l", gettext("set permission locally"),
5671 "-d", gettext("set permission for descents"),
5672 "-u", gettext("set permission for user"),
5673 "-g", gettext("set permission for group"),
5674 "-e", gettext("set permission for everyone"),
5675 "-c", gettext("set create time permission"),
5676 "-s", gettext("define permission set"),
5677 /* unallow only */
5678 "-r", gettext("remove permissions recursively"),
5679 };
5680 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
5681 size_t allow_size = unallow_size - 2;
5682 const char *props[ZFS_NUM_PROPS];
5683 int i;
5684 size_t count = 0;
5685 FILE *fp = requested ? stdout : stderr;
5686 zprop_desc_t *pdtbl = zfs_prop_get_table();
5687 const char *fmt = gettext("%-16s %-14s\t%s\n");
5688
5689 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
5690 HELP_ALLOW));
5691 (void) fprintf(fp, gettext("Options:\n"));
010782be 5692 for (i = 0; i < (un ? unallow_size : allow_size); i += 2) {
5693 const char *opt = opt_desc[i];
5694 const char *optdsc = opt_desc[i + 1];
0b7936d5
AS		 5695 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
5696 }
5697
5698 (void) fprintf(fp, gettext("\nThe following permissions are "
5699 "supported:\n\n"));
5700 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
5701 gettext("NOTES"));
5702 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
5703 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
5704 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
5705 const char *perm_type = deleg_perm_type(perm_note);
5706 const char *perm_comment = deleg_perm_comment(perm_note);
5707 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
5708 }
5709
5710 for (i = 0; i < ZFS_NUM_PROPS; i++) {
5711 zprop_desc_t *pd = &pdtbl[i];
5712 if (pd->pd_visible != B_TRUE)
5713 continue;
5714
5715 if (pd->pd_attr == PROP_READONLY)
5716 continue;
5717
5718 props[count++] = pd->pd_name;
5719 }
5720 props[count] = NULL;
5721
5722 qsort(props, count, sizeof (char *), prop_cmp);
5723
5724 for (i = 0; i < count; i++)
5725 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
5726
5727 if (msg != NULL)
5728 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
5729
5730 exit(requested ? 0 : 2);
5731}
5732
5733static inline const char *
5734munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
5735 char **permsp)
5736{
5737 if (un && argc == expected_argc - 1)
5738 *permsp = NULL;
5739 else if (argc == expected_argc)
5740 *permsp = argv[argc - 2];
5741 else
5742 allow_usage(un, B_FALSE,
5743 gettext("wrong number of parameters\n"));
5744
5745 return (argv[argc - 1]);
5746}
5747
5748static void
5749parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
5750{
5751 int uge_sum = opts->user + opts->group + opts->everyone;
5752 int csuge_sum = opts->create + opts->set + uge_sum;
5753 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
5754 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
5755
5756 if (uge_sum > 1)
5757 allow_usage(un, B_FALSE,
5758 gettext("-u, -g, and -e are mutually exclusive\n"));
5759
5760 if (opts->prt_usage) {
5761 if (argc == 0 && all_sum == 0)
5762 allow_usage(un, B_TRUE, NULL);
5763 else
5764 usage(B_FALSE);
5765 }
5766
5767 if (opts->set) {
5768 if (csuge_sum > 1)
5769 allow_usage(un, B_FALSE,
5770 gettext("invalid options combined with -s\n"));
5771
5772 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5773 if (argv[0][0] != '@')
5774 allow_usage(un, B_FALSE,
5775 gettext("invalid set name: missing '@' prefix\n"));
5776 opts->who = argv[0];
5777 } else if (opts->create) {
5778 if (ldcsuge_sum > 1)
5779 allow_usage(un, B_FALSE,
5780 gettext("invalid options combined with -c\n"));
5781 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5782 } else if (opts->everyone) {
5783 if (csuge_sum > 1)
5784 allow_usage(un, B_FALSE,
5785 gettext("invalid options combined with -e\n"));
5786 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5787 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
5788 == 0) {
5789 opts->everyone = B_TRUE;
5790 argc--;
5791 argv++;
5792 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
79e72243 5793 } else if (argc == 1 && !un) {
0b7936d5
AS		 5794 opts->prt_perms = B_TRUE;
5795 opts->dataset = argv[argc-1];
5796 } else {
5797 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5798 opts->who = argv[0];
5799 }
5800
5801 if (!opts->local && !opts->descend) {
5802 opts->local = B_TRUE;
5803 opts->descend = B_TRUE;
5804 }
5805}
5806
5807static void
5808store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
5809 const char *who, char *perms, nvlist_t *top_nvl)
5810{
5811 int i;
5812 char ld[2] = { '\0', '\0' };
eca7b760 5813 char who_buf[MAXNAMELEN + 32];
648a09ad
BB		 5814 char base_type = '\0';
5815 char set_type = '\0';
0b7936d5
AS		 5816 nvlist_t *base_nvl = NULL;
5817 nvlist_t *set_nvl = NULL;
5818 nvlist_t *nvl;
5819
5820 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
5821 nomem();
5822 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
5823 nomem();
5824
5825 switch (type) {
5826 case ZFS_DELEG_NAMED_SET_SETS:
5827 case ZFS_DELEG_NAMED_SET:
5828 set_type = ZFS_DELEG_NAMED_SET_SETS;
5829 base_type = ZFS_DELEG_NAMED_SET;
5830 ld[0] = ZFS_DELEG_NA;
5831 break;
5832 case ZFS_DELEG_CREATE_SETS:
5833 case ZFS_DELEG_CREATE:
5834 set_type = ZFS_DELEG_CREATE_SETS;
5835 base_type = ZFS_DELEG_CREATE;
5836 ld[0] = ZFS_DELEG_NA;
5837 break;
5838 case ZFS_DELEG_USER_SETS:
5839 case ZFS_DELEG_USER:
5840 set_type = ZFS_DELEG_USER_SETS;
5841 base_type = ZFS_DELEG_USER;
5842 if (local)
5843 ld[0] = ZFS_DELEG_LOCAL;
5844 if (descend)
5845 ld[1] = ZFS_DELEG_DESCENDENT;
5846 break;
5847 case ZFS_DELEG_GROUP_SETS:
5848 case ZFS_DELEG_GROUP:
5849 set_type = ZFS_DELEG_GROUP_SETS;
5850 base_type = ZFS_DELEG_GROUP;
5851 if (local)
5852 ld[0] = ZFS_DELEG_LOCAL;
5853 if (descend)
5854 ld[1] = ZFS_DELEG_DESCENDENT;
5855 break;
5856 case ZFS_DELEG_EVERYONE_SETS:
5857 case ZFS_DELEG_EVERYONE:
5858 set_type = ZFS_DELEG_EVERYONE_SETS;
5859 base_type = ZFS_DELEG_EVERYONE;
5860 if (local)
5861 ld[0] = ZFS_DELEG_LOCAL;
5862 if (descend)
5863 ld[1] = ZFS_DELEG_DESCENDENT;
0b7936d5 5864 break;
648a09ad
BB		 5865
5866 default:
5867 assert(set_type != '\0' && base_type != '\0');
0b7936d5
AS		 5868 }
5869
5870 if (perms != NULL) {
5871 char *curr = perms;
5872 char *end = curr + strlen(perms);
5873
5874 while (curr < end) {
5875 char *delim = strchr(curr, ',');
5876 if (delim == NULL)
5877 delim = end;
5878 else
5879 *delim = '\0';
5880
5881 if (curr[0] == '@')
5882 nvl = set_nvl;
5883 else
5884 nvl = base_nvl;
5885
5886 (void) nvlist_add_boolean(nvl, curr);
5887 if (delim != end)
5888 *delim = ',';
5889 curr = delim + 1;
5890 }
5891
5892 for (i = 0; i < 2; i++) {
5893 char locality = ld[i];
5894 if (locality == 0)
5895 continue;
5896
5897 if (!nvlist_empty(base_nvl)) {
5898 if (who != NULL)
5899 (void) snprintf(who_buf,
5900 sizeof (who_buf), "%c%c$%s",
5901 base_type, locality, who);
5902 else
5903 (void) snprintf(who_buf,
5904 sizeof (who_buf), "%c%c$",
5905 base_type, locality);
5906
5907 (void) nvlist_add_nvlist(top_nvl, who_buf,
5908 base_nvl);
5909 }
5910
5911
5912 if (!nvlist_empty(set_nvl)) {
5913 if (who != NULL)
5914 (void) snprintf(who_buf,
5915 sizeof (who_buf), "%c%c$%s",
5916 set_type, locality, who);
5917 else
5918 (void) snprintf(who_buf,
5919 sizeof (who_buf), "%c%c$",
5920 set_type, locality);
5921
5922 (void) nvlist_add_nvlist(top_nvl, who_buf,
5923 set_nvl);
5924 }
5925 }
5926 } else {
5927 for (i = 0; i < 2; i++) {
5928 char locality = ld[i];
5929 if (locality == 0)
5930 continue;
5931
5932 if (who != NULL)
5933 (void) snprintf(who_buf, sizeof (who_buf),
5934 "%c%c$%s", base_type, locality, who);
5935 else
5936 (void) snprintf(who_buf, sizeof (who_buf),
5937 "%c%c$", base_type, locality);
5938 (void) nvlist_add_boolean(top_nvl, who_buf);
5939
5940 if (who != NULL)
5941 (void) snprintf(who_buf, sizeof (who_buf),
5942 "%c%c$%s", set_type, locality, who);
5943 else
5944 (void) snprintf(who_buf, sizeof (who_buf),
5945 "%c%c$", set_type, locality);
5946 (void) nvlist_add_boolean(top_nvl, who_buf);
5947 }
5948 }
5949}
5950
5951static int
5952construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
5953{
5954 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
5955 nomem();
5956
5957 if (opts->set) {
5958 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
5959 opts->descend, opts->who, opts->perms, *nvlp);
5960 } else if (opts->create) {
5961 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
5962 opts->descend, NULL, opts->perms, *nvlp);
5963 } else if (opts->everyone) {
5964 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
5965 opts->descend, NULL, opts->perms, *nvlp);
5966 } else {
5967 char *curr = opts->who;
5968 char *end = curr + strlen(curr);
5969
5970 while (curr < end) {
5971 const char *who;
4c069d34 5972 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 5973 char *endch;
5974 char *delim = strchr(curr, ',');
5975 char errbuf[256];
5976 char id[64];
5977 struct passwd *p = NULL;
5978 struct group *g = NULL;
5979
5980 uid_t rid;
5981 if (delim == NULL)
5982 delim = end;
5983 else
5984 *delim = '\0';
5985
5986 rid = (uid_t)strtol(curr, &endch, 0);
5987 if (opts->user) {
5988 who_type = ZFS_DELEG_USER;
5989 if (*endch != '\0')
5990 p = getpwnam(curr);
5991 else
5992 p = getpwuid(rid);
5993
5994 if (p != NULL)
5995 rid = p->pw_uid;
a8bd6dcf 5996 else if (*endch != '\0') {
0b7936d5 5997 (void) snprintf(errbuf, 256, gettext(
a8bd6dcf 5998 "invalid user %s\n"), curr);
0b7936d5
AS		 5999 allow_usage(un, B_TRUE, errbuf);
6000 }
6001 } else if (opts->group) {
6002 who_type = ZFS_DELEG_GROUP;
6003 if (*endch != '\0')
6004 g = getgrnam(curr);
6005 else
6006 g = getgrgid(rid);
6007
6008 if (g != NULL)
6009 rid = g->gr_gid;
a8bd6dcf 6010 else if (*endch != '\0') {
0b7936d5 6011 (void) snprintf(errbuf, 256, gettext(
a8bd6dcf 6012 "invalid group %s\n"), curr);
0b7936d5
AS		 6013 allow_usage(un, B_TRUE, errbuf);
6014 }
6015 } else {
6016 if (*endch != '\0') {
6017 p = getpwnam(curr);
6018 } else {
6019 p = getpwuid(rid);
6020 }
6021
6022 if (p == NULL) {
6023 if (*endch != '\0') {
6024 g = getgrnam(curr);
6025 } else {
6026 g = getgrgid(rid);
6027 }
6028 }
6029
6030 if (p != NULL) {
6031 who_type = ZFS_DELEG_USER;
6032 rid = p->pw_uid;
6033 } else if (g != NULL) {
6034 who_type = ZFS_DELEG_GROUP;
6035 rid = g->gr_gid;
6036 } else {
6037 (void) snprintf(errbuf, 256, gettext(
a8bd6dcf 6038 "invalid user/group %s\n"), curr);
0b7936d5
AS		 6039 allow_usage(un, B_TRUE, errbuf);
6040 }
6041 }
6042
6043 (void) sprintf(id, "%u", rid);
6044 who = id;
6045
6046 store_allow_perm(who_type, opts->local,
6047 opts->descend, who, opts->perms, *nvlp);
6048 curr = delim + 1;
6049 }
6050 }
6051
6052 return (0);
6053}
6054
6055static void
6056print_set_creat_perms(uu_avl_t *who_avl)
6057{
6058 const char *sc_title[] = {
6059 gettext("Permission sets:\n"),
6060 gettext("Create time permissions:\n"),
6061 NULL
6062 };
0b7936d5
AS		 6063 who_perm_node_t *who_node = NULL;
6064 int prev_weight = -1;
6065
6066 for (who_node = uu_avl_first(who_avl); who_node != NULL;
6067 who_node = uu_avl_next(who_avl, who_node)) {
6068 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6069 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6070 const char *who_name = who_node->who_perm.who_name;
6071 int weight = who_type2weight(who_type);
6072 boolean_t first = B_TRUE;
6073 deleg_perm_node_t *deleg_node;
6074
6075 if (prev_weight != weight) {
0238a975 6076 (void) printf("%s", sc_title[weight]);
0b7936d5
AS		 6077 prev_weight = weight;
6078 }
6079
6080 if (who_name == NULL || strnlen(who_name, 1) == 0)
6081 (void) printf("\t");
6082 else
6083 (void) printf("\t%s ", who_name);
6084
6085 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
6086 deleg_node = uu_avl_next(avl, deleg_node)) {
6087 if (first) {
6088 (void) printf("%s",
6089 deleg_node->dpn_perm.dp_name);
6090 first = B_FALSE;
6091 } else
6092 (void) printf(",%s",
6093 deleg_node->dpn_perm.dp_name);
6094 }
6095
6096 (void) printf("\n");
6097 }
6098}
34dc7c2f 6099
648a09ad 6100static void
0b7936d5
AS		 6101print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
6102 const char *title)
6103{
6104 who_perm_node_t *who_node = NULL;
6105 boolean_t prt_title = B_TRUE;
6106 uu_avl_walk_t *walk;
34dc7c2f 6107
0b7936d5
AS		 6108 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
6109 nomem();
34dc7c2f 6110
0b7936d5
AS		 6111 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
6112 const char *who_name = who_node->who_perm.who_name;
6113 const char *nice_who_name = who_node->who_perm.who_ug_name;
6114 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6115 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6116 char delim = ' ';
6117 deleg_perm_node_t *deleg_node;
6118 boolean_t prt_who = B_TRUE;
6119
6120 for (deleg_node = uu_avl_first(avl);
6121 deleg_node != NULL;
6122 deleg_node = uu_avl_next(avl, deleg_node)) {
6123 if (local != deleg_node->dpn_perm.dp_local ||
6124 descend != deleg_node->dpn_perm.dp_descend)
6125 continue;
6126
6127 if (prt_who) {
6128 const char *who = NULL;
6129 if (prt_title) {
6130 prt_title = B_FALSE;
29b35200 6131 (void) printf("%s", title);
0b7936d5
AS		 6132 }
6133
6134 switch (who_type) {
6135 case ZFS_DELEG_USER_SETS:
6136 case ZFS_DELEG_USER:
6137 who = gettext("user");
6138 if (nice_who_name)
6139 who_name = nice_who_name;
6140 break;
6141 case ZFS_DELEG_GROUP_SETS:
6142 case ZFS_DELEG_GROUP:
6143 who = gettext("group");
6144 if (nice_who_name)
6145 who_name = nice_who_name;
6146 break;
6147 case ZFS_DELEG_EVERYONE_SETS:
6148 case ZFS_DELEG_EVERYONE:
6149 who = gettext("everyone");
6150 who_name = NULL;
0b7936d5 6151 break;
648a09ad
BB		 6152
6153 default:
6154 assert(who != NULL);
0b7936d5
AS		 6155 }
6156
6157 prt_who = B_FALSE;
6158 if (who_name == NULL)
6159 (void) printf("\t%s", who);
6160 else
6161 (void) printf("\t%s %s", who, who_name);
34dc7c2f 6162 }
0b7936d5
AS		 6163
6164 (void) printf("%c%s", delim,
6165 deleg_node->dpn_perm.dp_name);
6166 delim = ',';
34dc7c2f 6167 }
34dc7c2f 6168
0b7936d5
AS		 6169 if (!prt_who)
6170 (void) printf("\n");
6171 }
428870ff 6172
0b7936d5
AS		 6173 uu_avl_walk_end(walk);
6174}
34dc7c2f 6175
0b7936d5
AS		 6176static void
6177print_fs_perms(fs_perm_set_t *fspset)
6178{
6179 fs_perm_node_t *node = NULL;
eca7b760 6180 char buf[MAXNAMELEN + 32];
0b7936d5
AS		 6181 const char *dsname = buf;
6182
6183 for (node = uu_list_first(fspset->fsps_list); node != NULL;
6184 node = uu_list_next(fspset->fsps_list, node)) {
6185 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
6186 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
6187 int left = 0;
6188
eca7b760 6189 (void) snprintf(buf, sizeof (buf),
0b7936d5
AS		 6190 gettext("---- Permissions on %s "),
6191 node->fspn_fsperm.fsp_name);
29b35200 6192 (void) printf("%s", dsname);
0b7936d5
AS		 6193 left = 70 - strlen(buf);
6194 while (left-- > 0)
6195 (void) printf("-");
6196 (void) printf("\n");
6197
6198 print_set_creat_perms(sc_avl);
6199 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
6200 gettext("Local permissions:\n"));
6201 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
6202 gettext("Descendent permissions:\n"));
6203 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
6204 gettext("Local+Descendent permissions:\n"));
428870ff 6205 }
0b7936d5 6206}
34dc7c2f 6207
0b7936d5
AS		 6208static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
6209
6210struct deleg_perms {
6211 boolean_t un;
6212 nvlist_t *nvl;
6213};
6214
6215static int
6216set_deleg_perms(zfs_handle_t *zhp, void *data)
6217{
6218 struct deleg_perms *perms = (struct deleg_perms *)data;
6219 zfs_type_t zfs_type = zfs_get_type(zhp);
6220
6221 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
6222 return (0);
6223
6224 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 6225}
6226
34dc7c2f 6227static int
0b7936d5 6228zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 6229{
0b7936d5
AS		 6230 zfs_handle_t *zhp;
6231 nvlist_t *perm_nvl = NULL;
6232 nvlist_t *update_perm_nvl = NULL;
6233 int error = 1;
6234 int c;
6235 struct allow_opts opts = { 0 };
34dc7c2f 6236
0b7936d5
AS		 6237 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
6238
6239 /* check opts */
6240 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 6241 switch (c) {
0b7936d5
AS		 6242 case 'l':
6243 opts.local = B_TRUE;
6244 break;
34dc7c2f 6245 case 'd':
0b7936d5 6246 opts.descend = B_TRUE;
34dc7c2f 6247 break;
0b7936d5
AS		 6248 case 'u':
6249 opts.user = B_TRUE;
428870ff 6250 break;
0b7936d5
AS		 6251 case 'g':
6252 opts.group = B_TRUE;
34dc7c2f 6253 break;
0b7936d5
AS		 6254 case 'e':
6255 opts.everyone = B_TRUE;
d164b209 6256 break;
0b7936d5
AS		 6257 case 's':
6258 opts.set = B_TRUE;
34dc7c2f 6259 break;
0b7936d5
AS		 6260 case 'c':
6261 opts.create = B_TRUE;
6262 break;
6263 case 'r':
6264 opts.recursive = B_TRUE;
34dc7c2f
BB		 6265 break;
6266 case ':':
6267 (void) fprintf(stderr, gettext("missing argument for "
6268 "'%c' option\n"), optopt);
6269 usage(B_FALSE);
6270 break;
0b7936d5
AS		 6271 case 'h':
6272 opts.prt_usage = B_TRUE;
6273 break;
34dc7c2f
BB		 6274 case '?':
6275 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6276 optopt);
6277 usage(B_FALSE);
6278 }
6279 }
6280
6281 argc -= optind;
6282 argv += optind;
6283
0b7936d5
AS		 6284 /* check arguments */
6285 parse_allow_args(argc, argv, un, &opts);
6286
6287 /* try to open the dataset */
684e8c06
AE		 6288 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
6289 ZFS_TYPE_VOLUME)) == NULL) {
6290 (void) fprintf(stderr, "Failed to open dataset: %s\n",
0b7936d5
AS		 6291 opts.dataset);
6292 return (-1);
34dc7c2f 6293 }
0b7936d5
AS		 6294
6295 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
6296 goto cleanup2;
6297
6298 fs_perm_set_init(&fs_perm_set);
6299 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
684e8c06 6300 (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
0b7936d5 6301 goto cleanup1;
34dc7c2f
BB		 6302 }
6303
0b7936d5
AS		 6304 if (opts.prt_perms)
6305 print_fs_perms(&fs_perm_set);
6306 else {
6307 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
6308 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
6309 goto cleanup0;
6310
6311 if (un && opts.recursive) {
6312 struct deleg_perms data = { un, update_perm_nvl };
399b9819 6313 if (zfs_iter_filesystems(zhp, set_deleg_perms,
0b7936d5
AS		 6314 &data) != 0)
6315 goto cleanup0;
6316 }
34dc7c2f
BB		 6317 }
6318
0b7936d5 6319 error = 0;
34dc7c2f 6320
0b7936d5
AS		 6321cleanup0:
6322 nvlist_free(perm_nvl);
8a5fc748 6323 nvlist_free(update_perm_nvl);
0b7936d5
AS		 6324cleanup1:
6325 fs_perm_set_fini(&fs_perm_set);
6326cleanup2:
6327 zfs_close(zhp);
6328
6329 return (error);
6330}
6331
0b7936d5
AS		 6332static int
6333zfs_do_allow(int argc, char **argv)
6334{
6335 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
6336}
6337
0b7936d5
AS		 6338static int
6339zfs_do_unallow(int argc, char **argv)
6340{
6341 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 6342}
6343
45d1cae3
BB		 6344static int
6345zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
6346{
6347 int errors = 0;
6348 int i;
6349 const char *tag;
6350 boolean_t recursive = B_FALSE;
428870ff 6351 const char *opts = holding ? "rt" : "r";
45d1cae3 6352 int c;
45d1cae3
BB		 6353
6354 /* check options */
428870ff 6355 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 6356 switch (c) {
6357 case 'r':
6358 recursive = B_TRUE;
6359 break;
6360 case '?':
6361 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6362 optopt);
6363 usage(B_FALSE);
6364 }
6365 }
6366
6367 argc -= optind;
6368 argv += optind;
6369
6370 /* check number of arguments */
6371 if (argc < 2)
6372 usage(B_FALSE);
6373
6374 tag = argv[0];
6375 --argc;
6376 ++argv;
6377
428870ff
BB		 6378 if (holding && tag[0] == '.') {
6379 /* tags starting with '.' are reserved for libzfs */
6380 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
6381 usage(B_FALSE);
45d1cae3
BB		 6382 }
6383
6384 for (i = 0; i < argc; ++i) {
6385 zfs_handle_t *zhp;
eca7b760 6386 char parent[ZFS_MAX_DATASET_NAME_LEN];
45d1cae3
BB		 6387 const char *delim;
6388 char *path = argv[i];
6389
6390 delim = strchr(path, '@');
6391 if (delim == NULL) {
6392 (void) fprintf(stderr,
6393 gettext("'%s' is not a snapshot\n"), path);
6394 ++errors;
6395 continue;
6396 }
7584fbe8
RY		 6397 (void) strlcpy(parent, path, MIN(sizeof (parent),
6398 delim - path + 1));
45d1cae3
BB		 6399
6400 zhp = zfs_open(g_zfs, parent,
6401 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
6402 if (zhp == NULL) {
6403 ++errors;
6404 continue;
6405 }
428870ff 6406 if (holding) {
95fd54a1 6407 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
428870ff
BB		 6408 ++errors;
6409 } else {
6410 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
6411 ++errors;
6412 }
45d1cae3
BB		 6413 zfs_close(zhp);
6414 }
6415
6416 return (errors != 0);
6417}
6418
6419/*
428870ff 6420 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 6421 *
428870ff 6422 * -r Recursively hold
45d1cae3
BB		 6423 *
6424 * Apply a user-hold with the given tag to the list of snapshots.
6425 */
6426static int
6427zfs_do_hold(int argc, char **argv)
6428{
6429 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
6430}
6431
6432/*
6433 * zfs release [-r] <tag> <snap> ...
6434 *
428870ff 6435 * -r Recursively release
45d1cae3
BB		 6436 *
6437 * Release a user-hold with the given tag from the list of snapshots.
6438 */
6439static int
6440zfs_do_release(int argc, char **argv)
6441{
6442 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
6443}
6444
0b7936d5
AS		 6445typedef struct holds_cbdata {
6446 boolean_t cb_recursive;
6447 const char *cb_snapname;
6448 nvlist_t **cb_nvlp;
6449 size_t cb_max_namelen;
6450 size_t cb_max_taglen;
6451} holds_cbdata_t;
6452
1d2ddb9b 6453#define STRFTIME_FMT_STR "%a %b %e %H:%M %Y"
0b7936d5
AS		 6454#define DATETIME_BUF_LEN (32)
6455/*
6456 *
6457 */
6458static void
41715771
MT		 6459print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl,
6460 boolean_t parsable)
0b7936d5
AS		 6461{
6462 int i;
6463 nvpair_t *nvp = NULL;
a926aab9 6464 const char *const hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
0b7936d5
AS		 6465 const char *col;
6466
6467 if (!scripted) {
6468 for (i = 0; i < 3; i++) {
6469 col = gettext(hdr_cols[i]);
6470 if (i < 2)
6471 (void) printf("%-*s ", i ? tagwidth : nwidth,
6472 col);
6473 else
6474 (void) printf("%s\n", col);
6475 }
6476 }
6477
6478 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
6479 char *zname = nvpair_name(nvp);
6480 nvlist_t *nvl2;
6481 nvpair_t *nvp2 = NULL;
6482 (void) nvpair_value_nvlist(nvp, &nvl2);
6483 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
6484 char tsbuf[DATETIME_BUF_LEN];
dd66857d 6485 const char *tagname = nvpair_name(nvp2);
0b7936d5
AS		 6486 uint64_t val = 0;
6487 time_t time;
6488 struct tm t;
0b7936d5
AS		 6489
6490 (void) nvpair_value_uint64(nvp2, &val);
6491 time = (time_t)val;
6492 (void) localtime_r(&time, &t);
6493 (void) strftime(tsbuf, DATETIME_BUF_LEN,
6494 gettext(STRFTIME_FMT_STR), &t);
6495
6bc4a237 6496 if (scripted) {
41715771
MT		 6497 if (parsable) {
6498 (void) printf("%s\t%s\t%ld\n", zname,
6499 tagname, time);
6500 } else {
6501 (void) printf("%s\t%s\t%s\n", zname,
6502 tagname, tsbuf);
6503 }
6bc4a237 6504 } else {
41715771
MT		 6505 if (parsable) {
6506 (void) printf("%-*s %-*s %ld\n",
6507 nwidth, zname, tagwidth,
6508 tagname, time);
6509 } else {
6510 (void) printf("%-*s %-*s %s\n",
6511 nwidth, zname, tagwidth,
6512 tagname, tsbuf);
6513 }
6bc4a237 6514 }
0b7936d5
AS		 6515 }
6516 }
6517}
6518
6519/*
6520 * Generic callback function to list a dataset or snapshot.
6521 */
6522static int
6523holds_callback(zfs_handle_t *zhp, void *data)
6524{
6525 holds_cbdata_t *cbp = data;
6526 nvlist_t *top_nvl = *cbp->cb_nvlp;
6527 nvlist_t *nvl = NULL;
6528 nvpair_t *nvp = NULL;
6529 const char *zname = zfs_get_name(zhp);
eca7b760 6530 size_t znamelen = strlen(zname);
0b7936d5
AS		 6531
6532 if (cbp->cb_recursive) {
6533 const char *snapname;
6534 char *delim = strchr(zname, '@');
6535 if (delim == NULL)
6536 return (0);
6537
6538 snapname = delim + 1;
6539 if (strcmp(cbp->cb_snapname, snapname))
6540 return (0);
6541 }
6542
6543 if (zfs_get_holds(zhp, &nvl) != 0)
6544 return (-1);
6545
6546 if (znamelen > cbp->cb_max_namelen)
6547 cbp->cb_max_namelen = znamelen;
6548
6549 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
6550 const char *tag = nvpair_name(nvp);
eca7b760 6551 size_t taglen = strlen(tag);
0b7936d5
AS		 6552 if (taglen > cbp->cb_max_taglen)
6553 cbp->cb_max_taglen = taglen;
6554 }
6555
6556 return (nvlist_add_nvlist(top_nvl, zname, nvl));
6557}
6558
6559/*
41715771 6560 * zfs holds [-rHp] <snap> ...
0b7936d5 6561 *
a9d6270a 6562 * -r Lists holds that are set on the named snapshots recursively.
6563 * -H Scripted mode; elide headers and separate columns by tabs.
41715771 6564 * -p Display values in parsable (literal) format.
0b7936d5
AS		 6565 */
6566static int
6567zfs_do_holds(int argc, char **argv)
6568{
0b7936d5 6569 int c;
55d36e47 6570 boolean_t errors = B_FALSE;
0b7936d5
AS		 6571 boolean_t scripted = B_FALSE;
6572 boolean_t recursive = B_FALSE;
41715771 6573 boolean_t parsable = B_FALSE;
0b7936d5
AS		 6574
6575 int types = ZFS_TYPE_SNAPSHOT;
6576 holds_cbdata_t cb = { 0 };
6577
6578 int limit = 0;
ad60af8e 6579 int ret = 0;
0b7936d5
AS		 6580 int flags = 0;
6581
6582 /* check options */
41715771 6583 while ((c = getopt(argc, argv, "rHp")) != -1) {
0b7936d5
AS		 6584 switch (c) {
6585 case 'r':
6586 recursive = B_TRUE;
6587 break;
6588 case 'H':
6589 scripted = B_TRUE;
6590 break;
41715771
MT		 6591 case 'p':
6592 parsable = B_TRUE;
6593 break;
0b7936d5
AS		 6594 case '?':
6595 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6596 optopt);
6597 usage(B_FALSE);
6598 }
6599 }
6600
6601 if (recursive) {
6602 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
6603 flags |= ZFS_ITER_RECURSE;
6604 }
6605
6606 argc -= optind;
6607 argv += optind;
6608
6609 /* check number of arguments */
6610 if (argc < 1)
6611 usage(B_FALSE);
6612
55d36e47 6613 nvlist_t *nvl = fnvlist_alloc();
0b7936d5 6614
55d36e47 6615 for (int i = 0; i < argc; ++i) {
0b7936d5
AS		 6616 char *snapshot = argv[i];
6617 const char *delim;
6618 const char *snapname;
6619
6620 delim = strchr(snapshot, '@');
6621 if (delim == NULL) {
6622 (void) fprintf(stderr,
6623 gettext("'%s' is not a snapshot\n"), snapshot);
55d36e47 6624 errors = B_TRUE;
0b7936d5
AS		 6625 continue;
6626 }
6627 snapname = delim + 1;
6628 if (recursive)
6629 snapshot[delim - snapshot] = '\0';
6630
6631 cb.cb_recursive = recursive;
6632 cb.cb_snapname = snapname;
6633 cb.cb_nvlp = &nvl;
6634
6635 /*
6636 * 1. collect holds data, set format options
6637 */
2a70a090 6638 ret = zfs_for_each(1, argv + i, flags, types, NULL, NULL, limit,
0b7936d5
AS		 6639 holds_callback, &cb);
6640 if (ret != 0)
55d36e47 6641 errors = B_TRUE;
0b7936d5
AS		 6642 }
6643
6644 /*
6645 * 2. print holds data
6646 */
41715771
MT		 6647 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl,
6648 parsable);
0b7936d5
AS		 6649
6650 if (nvlist_empty(nvl))
42cb3819 6651 (void) fprintf(stderr, gettext("no datasets available\n"));
0b7936d5
AS		 6652
6653 nvlist_free(nvl);
6654
55d36e47 6655 return (errors);
0b7936d5
AS		 6656}
6657
34dc7c2f
BB		 6658#define CHECK_SPINNER 30
6659#define SPINNER_TIME 3 /* seconds */
a10d50f9
SR		 6660#define MOUNT_TIME 1 /* seconds */
6661
6662typedef struct get_all_state {
6663 boolean_t ga_verbose;
6664 get_all_cb_t *ga_cbp;
6665} get_all_state_t;
34dc7c2f
BB		 6666
6667static int
6668get_one_dataset(zfs_handle_t *zhp, void *data)
6669{
a926aab9 6670 static const char *const spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 6671 static int spinval = 0;
6672 static int spincheck = 0;
6673 static time_t last_spin_time = (time_t)0;
a10d50f9 6674 get_all_state_t *state = data;
34dc7c2f
BB		 6675 zfs_type_t type = zfs_get_type(zhp);
6676
a10d50f9 6677 if (state->ga_verbose) {
34dc7c2f
BB		 6678 if (--spincheck < 0) {
6679 time_t now = time(NULL);
6680 if (last_spin_time + SPINNER_TIME < now) {
428870ff 6681 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 6682 last_spin_time = now;
6683 }
6684 spincheck = CHECK_SPINNER;
6685 }
6686 }
6687
6688 /*
254255f7 6689 * Iterate over any nested datasets.
34dc7c2f 6690 */
399b9819 6691 if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
34dc7c2f
BB		 6692 zfs_close(zhp);
6693 return (1);
6694 }
6695
6696 /*
6697 * Skip any datasets whose type does not match.
6698 */
572e2857 6699 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 6700 zfs_close(zhp);
6701 return (0);
6702 }
a10d50f9
SR		 6703 libzfs_add_handle(state->ga_cbp, zhp);
6704 assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc);
34dc7c2f
BB		 6705
6706 return (0);
6707}
6708
6709static void
a10d50f9 6710get_all_datasets(get_all_cb_t *cbp, boolean_t verbose)
34dc7c2f 6711{
a10d50f9
SR		 6712 get_all_state_t state = {
6713 .ga_verbose = verbose,
6714 .ga_cbp = cbp
6715 };
34dc7c2f 6716
428870ff
BB		 6717 if (verbose)
6718 set_progress_header(gettext("Reading ZFS config"));
a10d50f9 6719 (void) zfs_iter_root(g_zfs, get_one_dataset, &state);
34dc7c2f 6720
428870ff
BB		 6721 if (verbose)
6722 finish_progress(gettext("done."));
34dc7c2f
BB		 6723}
6724
34dc7c2f
BB		 6725/*
6726 * Generic callback for sharing or mounting filesystems. Because the code is so
6727 * similar, we have a common function with an extra parameter to determine which
6728 * mode we are using.
6729 */
a10d50f9
SR		 6730typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t;
6731
6732typedef struct share_mount_state {
6733 share_mount_op_t sm_op;
6734 boolean_t sm_verbose;
6735 int sm_flags;
6736 char *sm_options;
b4d9a82f 6737 enum sa_protocol sm_proto; /* only valid for OP_SHARE */
a10d50f9
SR		 6738 pthread_mutex_t sm_lock; /* protects the remaining fields */
6739 uint_t sm_total; /* number of filesystems to process */
6740 uint_t sm_done; /* number of filesystems processed */
6741 int sm_status; /* -1 if any of the share/mount operations failed */
6742} share_mount_state_t;
34dc7c2f
BB		 6743
6744/*
6745 * Share or mount a dataset.
6746 */
6747static int
b4d9a82f 6748share_mount_one(zfs_handle_t *zhp, int op, int flags, enum sa_protocol protocol,
34dc7c2f
BB		 6749 boolean_t explicit, const char *options)
6750{
6751 char mountpoint[ZFS_MAXPROPLEN];
6752 char shareopts[ZFS_MAXPROPLEN];
6753 char smbshareopts[ZFS_MAXPROPLEN];
6754 const char *cmdname = op == OP_SHARE ? "share" : "mount";
6755 struct mnttab mnt;
6756 uint64_t zoned, canmount;
34dc7c2f
BB		 6757 boolean_t shared_nfs, shared_smb;
6758
572e2857 6759 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 6760
572e2857
BB		 6761 /*
6762 * Check to make sure we can mount/share this dataset. If we
6763 * are in the global zone and the filesystem is exported to a
6764 * local zone, or if we are in a local zone and the
6765 * filesystem is not exported, then it is an error.
6766 */
6767 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 6768
572e2857
BB		 6769 if (zoned && getzoneid() == GLOBAL_ZONEID) {
6770 if (!explicit)
6771 return (0);
34dc7c2f 6772
572e2857
BB		 6773 (void) fprintf(stderr, gettext("cannot %s '%s': "
6774 "dataset is exported to a local zone\n"), cmdname,
6775 zfs_get_name(zhp));
6776 return (1);
34dc7c2f 6777
572e2857
BB		 6778 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
6779 if (!explicit)
6780 return (0);
34dc7c2f 6781
572e2857
BB		 6782 (void) fprintf(stderr, gettext("cannot %s '%s': "
6783 "permission denied\n"), cmdname,
6784 zfs_get_name(zhp));
6785 return (1);
6786 }
34dc7c2f 6787
572e2857
BB		 6788 /*
6789 * Ignore any filesystems which don't apply to us. This
6790 * includes those with a legacy mountpoint, or those with
6791 * legacy share options.
6792 */
6793 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
6794 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
6795 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
6796 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
6797 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
6798 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
6799
6800 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
6801 strcmp(smbshareopts, "off") == 0) {
6802 if (!explicit)
6803 return (0);
34dc7c2f 6804
572e2857
BB		 6805 (void) fprintf(stderr, gettext("cannot share '%s': "
6806 "legacy share\n"), zfs_get_name(zhp));
76d04993
RM		 6807 (void) fprintf(stderr, gettext("use exports(5) or "
6808 "smb.conf(5) to share this filesystem, or set "
6809 "the sharenfs or sharesmb property\n"));
572e2857
BB		 6810 return (1);
6811 }
34dc7c2f 6812
572e2857
BB		 6813 /*
6814 * We cannot share or mount legacy filesystems. If the
6815 * shareopts is non-legacy but the mountpoint is legacy, we
6816 * treat it as a legacy share.
6817 */
6818 if (strcmp(mountpoint, "legacy") == 0) {
6819 if (!explicit)
6820 return (0);
34dc7c2f 6821
572e2857
BB		 6822 (void) fprintf(stderr, gettext("cannot %s '%s': "
6823 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
76d04993 6824 (void) fprintf(stderr, gettext("use %s(8) to "
572e2857
BB		 6825 "%s this filesystem\n"), cmdname, cmdname);
6826 return (1);
6827 }
34dc7c2f 6828
572e2857
BB		 6829 if (strcmp(mountpoint, "none") == 0) {
6830 if (!explicit)
6831 return (0);
34dc7c2f 6832
572e2857
BB		 6833 (void) fprintf(stderr, gettext("cannot %s '%s': no "
6834 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
6835 return (1);
6836 }
34dc7c2f 6837
572e2857
BB		 6838 /*
6839 * canmount explicit outcome
6840 * on no pass through
6841 * on yes pass through
6842 * off no return 0
6843 * off yes display error, return 1
6844 * noauto no return 0
6845 * noauto yes pass through
6846 */
6847 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
6848 if (canmount == ZFS_CANMOUNT_OFF) {
6849 if (!explicit)
6850 return (0);
6851
6852 (void) fprintf(stderr, gettext("cannot %s '%s': "
6853 "'canmount' property is set to 'off'\n"), cmdname,
6854 zfs_get_name(zhp));
6855 return (1);
6856 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
53c9d1d9
GW		 6857 /*
6858 * When performing a 'zfs mount -a', we skip any mounts for
6859 * datasets that have 'noauto' set. Sharing a dataset with
6860 * 'noauto' set is only allowed if it's mounted.
6861 */
6862 if (op == OP_MOUNT)
6863 return (0);
7bba1d40
DB		 6864 if (op == OP_SHARE && !zfs_is_mounted(zhp, NULL)) {
6865 /* also purge it from existing exports */
b4d9a82f 6866 zfs_unshare(zhp, mountpoint, NULL);
53c9d1d9 6867 return (0);
7bba1d40 6868 }
572e2857
BB		 6869 }
6870
1bf9a552
TC		 6871 /*
6872 * If this filesystem is encrypted and does not have
6873 * a loaded key, we can not mount it.
6874 */
6875 if ((flags & MS_CRYPT) == 0 &&
6876 zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF &&
6877 zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) ==
6878 ZFS_KEYSTATUS_UNAVAILABLE) {
6879 if (!explicit)
6880 return (0);
6881
6882 (void) fprintf(stderr, gettext("cannot %s '%s': "
6883 "encryption key not loaded\n"), cmdname, zfs_get_name(zhp));
6884 return (1);
6885 }
6886
47dfff3b
MA		 6887 /*
6888 * If this filesystem is inconsistent and has a receive resume
6889 * token, we can not mount it.
6890 */
6891 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) &&
6892 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
6893 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) {
6894 if (!explicit)
6895 return (0);
6896
6897 (void) fprintf(stderr, gettext("cannot %s '%s': "
6898 "Contains partially-completed state from "
c03f0470 6899 "\"zfs receive -s\", which can be resumed with "
47dfff3b
MA		 6900 "\"zfs send -t\"\n"),
6901 cmdname, zfs_get_name(zhp));
6902 return (1);
6903 }
6904
30af21b0
PD		 6905 if (zfs_prop_get_int(zhp, ZFS_PROP_REDACTED) && !(flags & MS_FORCE)) {
6906 if (!explicit)
6907 return (0);
6908
6909 (void) fprintf(stderr, gettext("cannot %s '%s': "
6910 "Dataset is not complete, was created by receiving "
6911 "a redacted zfs send stream.\n"), cmdname,
6912 zfs_get_name(zhp));
6913 return (1);
6914 }
6915
572e2857
BB		 6916 /*
6917 * At this point, we have verified that the mountpoint and/or
6918 * shareopts are appropriate for auto management. If the
6919 * filesystem is already mounted or shared, return (failing
6920 * for explicit requests); otherwise mount or share the
6921 * filesystem.
6922 */
6923 switch (op) {
b4d9a82f
AZ		 6924 case OP_SHARE: {
6925 enum sa_protocol prot[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
6926 shared_nfs = zfs_is_shared(zhp, NULL, prot);
6927 *prot = SA_PROTOCOL_SMB;
6928 shared_smb = zfs_is_shared(zhp, NULL, prot);
572e2857 6929
149e873a 6930 if ((shared_nfs && shared_smb) ||
648a09ad
BB		 6931 (shared_nfs && strcmp(shareopts, "on") == 0 &&
6932 strcmp(smbshareopts, "off") == 0) ||
6933 (shared_smb && strcmp(smbshareopts, "on") == 0 &&
6934 strcmp(shareopts, "off") == 0)) {
34dc7c2f
BB		 6935 if (!explicit)
6936 return (0);
6937
572e2857
BB		 6938 (void) fprintf(stderr, gettext("cannot share "
6939 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 6940 zfs_get_name(zhp));
6941 return (1);
34dc7c2f
BB		 6942 }
6943
572e2857 6944 if (!zfs_is_mounted(zhp, NULL) &&
b5256303 6945 zfs_mount(zhp, NULL, flags) != 0)
572e2857 6946 return (1);
34dc7c2f 6947
b4d9a82f
AZ		 6948 *prot = protocol;
6949 if (zfs_share(zhp, protocol == SA_NO_PROTOCOL ? NULL : prot))
572e2857 6950 return (1);
34dc7c2f 6951
b4d9a82f 6952 }
572e2857 6953 break;
34dc7c2f 6954
572e2857 6955 case OP_MOUNT:
a926aab9 6956 mnt.mnt_mntopts = (char *)(options ?: "");
34dc7c2f 6957
572e2857
BB		 6958 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
6959 zfs_is_mounted(zhp, NULL)) {
6960 if (!explicit)
6961 return (0);
34dc7c2f 6962
572e2857
BB		 6963 (void) fprintf(stderr, gettext("cannot mount "
6964 "'%s': filesystem already mounted\n"),
6965 zfs_get_name(zhp));
6966 return (1);
34dc7c2f 6967 }
572e2857 6968
d1b84da8 6969 if (zfs_mount(zhp, options, flags) != 0)
572e2857
BB		 6970 return (1);
6971 break;
6972 }
34dc7c2f 6973
34dc7c2f
BB		 6974 return (0);
6975}
6976
6977/*
6978 * Reports progress in the form "(current/total)". Not thread-safe.
6979 */
6980static void
6981report_mount_progress(int current, int total)
6982{
428870ff 6983 static time_t last_progress_time = 0;
34dc7c2f 6984 time_t now = time(NULL);
428870ff 6985 char info[32];
34dc7c2f 6986
34dc7c2f
BB		 6987 /* display header if we're here for the first time */
6988 if (current == 1) {
428870ff 6989 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 6990 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
6991 /* too soon to report again */
6992 return;
6993 }
6994
6995 last_progress_time = now;
6996
428870ff 6997 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 6998
428870ff
BB		 6999 if (current == total)
7000 finish_progress(info);
7001 else
7002 update_progress(info);
34dc7c2f
BB		 7003}
7004
a10d50f9
SR		 7005/*
7006 * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and
7007 * updates the progress meter.
7008 */
7009static int
7010share_mount_one_cb(zfs_handle_t *zhp, void *arg)
7011{
7012 share_mount_state_t *sms = arg;
7013 int ret;
7014
7015 ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto,
7016 B_FALSE, sms->sm_options);
7017
7018 pthread_mutex_lock(&sms->sm_lock);
7019 if (ret != 0)
7020 sms->sm_status = ret;
7021 sms->sm_done++;
7022 if (sms->sm_verbose)
7023 report_mount_progress(sms->sm_done, sms->sm_total);
7024 pthread_mutex_unlock(&sms->sm_lock);
7025 return (ret);
7026}
7027
34dc7c2f
BB		 7028static void
7029append_options(char *mntopts, char *newopts)
7030{
7031 int len = strlen(mntopts);
7032
7033 /* original length plus new string to append plus 1 for the comma */
7034 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
7035 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 7036 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 7037 "-o", MNT_LINE_MAX);
7038 usage(B_FALSE);
7039 }
7040
7041 if (*mntopts)
7042 mntopts[len++] = ',';
7043
7044 (void) strcpy(&mntopts[len], newopts);
7045}
7046
b4d9a82f
AZ		 7047static enum sa_protocol
7048sa_protocol_decode(const char *protocol)
7049{
7050 for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i)
7051 if (strcmp(protocol, sa_protocol_names[i]) == 0)
7052 return (i);
7053
7054 (void) fputs(gettext("share type must be one of: "), stderr);
7055 for (enum sa_protocol i = 0;
7056 i < ARRAY_SIZE(sa_protocol_names); ++i)
7057 (void) fprintf(stderr, "%s%s",
7058 i != 0 ? ", " : "", sa_protocol_names[i]);
7059 (void) fputc('\n', stderr);
7060 usage(B_FALSE);
7061}
7062
34dc7c2f
BB		 7063static int
7064share_mount(int op, int argc, char **argv)
7065{
7066 int do_all = 0;
7067 boolean_t verbose = B_FALSE;
7068 int c, ret = 0;
7069 char *options = NULL;
572e2857 7070 int flags = 0;
34dc7c2f
BB		 7071
7072 /* check options */
30af21b0 7073 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":alvo:Of" : "al"))
34dc7c2f
BB		 7074 != -1) {
7075 switch (c) {
7076 case 'a':
7077 do_all = 1;
7078 break;
7079 case 'v':
7080 verbose = B_TRUE;
7081 break;
b5256303
TC		 7082 case 'l':
7083 flags |= MS_CRYPT;
7084 break;
34dc7c2f
BB		 7085 case 'o':
7086 if (*optarg == '\0') {
7087 (void) fprintf(stderr, gettext("empty mount "
7088 "options (-o) specified\n"));
7089 usage(B_FALSE);
7090 }
7091
7092 if (options == NULL)
7093 options = safe_malloc(MNT_LINE_MAX + 1);
7094
7095 /* option validation is done later */
7096 append_options(options, optarg);
7097 break;
e18be9a6
SC		 7098 case 'O':
7099 flags |= MS_OVERLAY;
7100 break;
30af21b0
PD		 7101 case 'f':
7102 flags |= MS_FORCE;
7103 break;
34dc7c2f
BB		 7104 case ':':
7105 (void) fprintf(stderr, gettext("missing argument for "
7106 "'%c' option\n"), optopt);
7107 usage(B_FALSE);
7108 break;
7109 case '?':
7110 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7111 optopt);
7112 usage(B_FALSE);
7113 }
7114 }
7115
7116 argc -= optind;
7117 argv += optind;
7118
7119 /* check number of arguments */
7120 if (do_all) {
b4d9a82f 7121 enum sa_protocol protocol = SA_NO_PROTOCOL;
34dc7c2f 7122
572e2857 7123 if (op == OP_SHARE && argc > 0) {
b4d9a82f 7124 protocol = sa_protocol_decode(argv[0]);
34dc7c2f
BB		 7125 argc--;
7126 argv++;
34dc7c2f
BB		 7127 }
7128
7129 if (argc != 0) {
7130 (void) fprintf(stderr, gettext("too many arguments\n"));
7131 usage(B_FALSE);
7132 }
7133
428870ff 7134 start_progress_timer();
a10d50f9
SR		 7135 get_all_cb_t cb = { 0 };
7136 get_all_datasets(&cb, verbose);
34dc7c2f 7137
a10d50f9 7138 if (cb.cb_used == 0) {
53352772 7139 free(options);
34dc7c2f 7140 return (0);
e2c292bb 7141 }
34dc7c2f 7142
a10d50f9
SR		 7143 share_mount_state_t share_mount_state = { 0 };
7144 share_mount_state.sm_op = op;
7145 share_mount_state.sm_verbose = verbose;
7146 share_mount_state.sm_flags = flags;
7147 share_mount_state.sm_options = options;
7148 share_mount_state.sm_proto = protocol;
7149 share_mount_state.sm_total = cb.cb_used;
7150 pthread_mutex_init(&share_mount_state.sm_lock, NULL);
34dc7c2f 7151
ede037cd
DB		 7152 /* For a 'zfs share -a' operation start with a clean slate. */
7153 zfs_truncate_shares(NULL);
7154
a10d50f9
SR		 7155 /*
7156 * libshare isn't mt-safe, so only do the operation in parallel
8e3c3ed1
TC		 7157 * if we're mounting. Additionally, the key-loading option must
7158 * be serialized so that we can prompt the user for their keys
7159 * in a consistent manner.
a10d50f9
SR		 7160 */
7161 zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used,
8e3c3ed1
TC		 7162 share_mount_one_cb, &share_mount_state,
7163 op == OP_MOUNT && !(flags & MS_CRYPT));
b4d9a82f 7164 zfs_commit_shares(NULL);
c15d36c6 7165
a10d50f9 7166 ret = share_mount_state.sm_status;
34dc7c2f 7167
a10d50f9
SR		 7168 for (int i = 0; i < cb.cb_used; i++)
7169 zfs_close(cb.cb_handles[i]);
7170 free(cb.cb_handles);
34dc7c2f 7171 } else if (argc == 0) {
53352772 7172 FILE *mnttab;
34dc7c2f
BB		 7173 struct mnttab entry;
7174
7175 if ((op == OP_SHARE) || (options != NULL)) {
7176 (void) fprintf(stderr, gettext("missing filesystem "
7177 "argument (specify -a for all)\n"));
7178 usage(B_FALSE);
7179 }
7180
7181 /*
79251738 7182 * When mount is given no arguments, go through
7183 * /proc/self/mounts and display any active ZFS mounts.
7184 * We hide any snapshots, since they are controlled
7185 * automatically.
34dc7c2f 7186 */
cbca6076 7187
53352772
AZ		 7188 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7189 free(options);
cbca6076 7190 return (ENOENT);
e2c292bb 7191 }
cbca6076 7192
53352772 7193 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7194 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
7195 strchr(entry.mnt_special, '@') != NULL)
7196 continue;
7197
7198 (void) printf("%-30s %s\n", entry.mnt_special,
7199 entry.mnt_mountp);
7200 }
7201
53352772 7202 (void) fclose(mnttab);
34dc7c2f
BB		 7203 } else {
7204 zfs_handle_t *zhp;
7205
34dc7c2f
BB		 7206 if (argc > 1) {
7207 (void) fprintf(stderr,
7208 gettext("too many arguments\n"));
7209 usage(B_FALSE);
7210 }
7211
572e2857
BB		 7212 if ((zhp = zfs_open(g_zfs, argv[0],
7213 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 7214 ret = 1;
7215 } else {
b4d9a82f
AZ		 7216 ret = share_mount_one(zhp, op, flags, SA_NO_PROTOCOL,
7217 B_TRUE, options);
7218 zfs_commit_shares(NULL);
34dc7c2f
BB		 7219 zfs_close(zhp);
7220 }
7221 }
7222
53352772 7223 free(options);
34dc7c2f
BB		 7224 return (ret);
7225}
7226
7227/*
b4d9a82f 7228 * zfs mount -a
34dc7c2f
BB		 7229 * zfs mount filesystem
7230 *
7231 * Mount all filesystems, or mount the given filesystem.
7232 */
7233static int
7234zfs_do_mount(int argc, char **argv)
7235{
7236 return (share_mount(OP_MOUNT, argc, argv));
7237}
7238
7239/*
428870ff 7240 * zfs share -a [nfs | smb]
34dc7c2f
BB		 7241 * zfs share filesystem
7242 *
7243 * Share all filesystems, or share the given filesystem.
7244 */
7245static int
7246zfs_do_share(int argc, char **argv)
7247{
7248 return (share_mount(OP_SHARE, argc, argv));
7249}
7250
7251typedef struct unshare_unmount_node {
7252 zfs_handle_t *un_zhp;
7253 char *un_mountp;
7254 uu_avl_node_t un_avlnode;
7255} unshare_unmount_node_t;
7256
34dc7c2f
BB		 7257static int
7258unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
7259{
f291fa65 7260 (void) unused;
34dc7c2f
BB		 7261 const unshare_unmount_node_t *l = larg;
7262 const unshare_unmount_node_t *r = rarg;
7263
7264 return (strcmp(l->un_mountp, r->un_mountp));
7265}
7266
7267/*
7268 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
46df7e6c
JS		 7269 * absolute path, find the entry /proc/self/mounts, verify that it's a
7270 * ZFS filesystem, and unmount it appropriately.
34dc7c2f
BB		 7271 */
7272static int
7273unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
7274{
7275 zfs_handle_t *zhp;
ad60af8e 7276 int ret = 0;
34dc7c2f
BB		 7277 struct stat64 statbuf;
7278 struct extmnttab entry;
7279 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
7280 ino_t path_inode;
7281
34dc7c2f
BB		 7282 /*
7283 * Search for the given (major,minor) pair in the mount table.
7284 */
cbca6076 7285
d31277ab 7286 if (getextmntent(path, &entry, &statbuf) != 0) {
34dc7c2f
BB		 7287 if (op == OP_SHARE) {
7288 (void) fprintf(stderr, gettext("cannot %s '%s': not "
7289 "currently mounted\n"), cmdname, path);
7290 return (1);
7291 }
79251738 7292 (void) fprintf(stderr, gettext("warning: %s not in"
7293 "/proc/self/mounts\n"), path);
34dc7c2f
BB		 7294 if ((ret = umount2(path, flags)) != 0)
7295 (void) fprintf(stderr, gettext("%s: %s\n"), path,
7296 strerror(errno));
7297 return (ret != 0);
7298 }
d31277ab 7299 path_inode = statbuf.st_ino;
34dc7c2f
BB		 7300
7301 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
7302 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
7303 "filesystem\n"), cmdname, path);
7304 return (1);
7305 }
7306
7307 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7308 ZFS_TYPE_FILESYSTEM)) == NULL)
7309 return (1);
7310
34dc7c2f 7311 ret = 1;
b128c09f
BB		 7312 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
7313 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
7314 cmdname, path, strerror(errno));
7315 goto out;
7316 } else if (statbuf.st_ino != path_inode) {
7317 (void) fprintf(stderr, gettext("cannot "
7318 "%s '%s': not a mountpoint\n"), cmdname, path);
7319 goto out;
7320 }
7321
34dc7c2f
BB		 7322 if (op == OP_SHARE) {
7323 char nfs_mnt_prop[ZFS_MAXPROPLEN];
7324 char smbshare_prop[ZFS_MAXPROPLEN];
7325
7326 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
7327 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
7328 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
7329 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
7330
7331 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7332 strcmp(smbshare_prop, "off") == 0) {
7333 (void) fprintf(stderr, gettext("cannot unshare "
7334 "'%s': legacy share\n"), path);
9a616b5d
BB		 7335 (void) fprintf(stderr, gettext("use exportfs(8) "
7336 "or smbcontrol(1) to unshare this filesystem\n"));
b4d9a82f 7337 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
34dc7c2f
BB		 7338 (void) fprintf(stderr, gettext("cannot unshare '%s': "
7339 "not currently shared\n"), path);
7340 } else {
b4d9a82f
AZ		 7341 ret = zfs_unshare(zhp, path, NULL);
7342 zfs_commit_shares(NULL);
34dc7c2f
BB		 7343 }
7344 } else {
7345 char mtpt_prop[ZFS_MAXPROPLEN];
7346
7347 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
7348 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
7349
b128c09f 7350 if (is_manual) {
34dc7c2f
BB		 7351 ret = zfs_unmount(zhp, NULL, flags);
7352 } else if (strcmp(mtpt_prop, "legacy") == 0) {
7353 (void) fprintf(stderr, gettext("cannot unmount "
7354 "'%s': legacy mountpoint\n"),
7355 zfs_get_name(zhp));
9a616b5d 7356 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 7357 "to unmount this filesystem\n"));
7358 } else {
7359 ret = zfs_unmountall(zhp, flags);
7360 }
7361 }
7362
b128c09f 7363out:
34dc7c2f
BB		 7364 zfs_close(zhp);
7365
7366 return (ret != 0);
7367}
7368
7369/*
7370 * Generic callback for unsharing or unmounting a filesystem.
7371 */
7372static int
7373unshare_unmount(int op, int argc, char **argv)
7374{
7375 int do_all = 0;
7376 int flags = 0;
7377 int ret = 0;
572e2857 7378 int c;
34dc7c2f 7379 zfs_handle_t *zhp;
428870ff 7380 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 7381 char sharesmb[ZFS_MAXPROPLEN];
7382
7383 /* check options */
765d1f06 7384 while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "afu")) != -1) {
34dc7c2f
BB		 7385 switch (c) {
7386 case 'a':
7387 do_all = 1;
7388 break;
7389 case 'f':
765d1f06
TC		 7390 flags |= MS_FORCE;
7391 break;
7392 case 'u':
7393 flags |= MS_CRYPT;
34dc7c2f 7394 break;
2f71caf2 7395 case ':':
7396 (void) fprintf(stderr, gettext("missing argument for "
7397 "'%c' option\n"), optopt);
7398 usage(B_FALSE);
7399 break;
34dc7c2f
BB		 7400 case '?':
7401 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7402 optopt);
7403 usage(B_FALSE);
7404 }
7405 }
7406
7407 argc -= optind;
7408 argv += optind;
7409
7410 if (do_all) {
7411 /*
7412 * We could make use of zfs_for_each() to walk all datasets in
7413 * the system, but this would be very inefficient, especially
79251738 7414 * since we would have to linearly search /proc/self/mounts for
7415 * each one. Instead, do one pass through /proc/self/mounts
7416 * looking for zfs entries and call zfs_unmount() for each one.
34dc7c2f
BB		 7417 *
7418 * Things get a little tricky if the administrator has created
7419 * mountpoints beneath other ZFS filesystems. In this case, we
7420 * have to unmount the deepest filesystems first. To accomplish
7421 * this, we place all the mountpoints in an AVL tree sorted by
7422 * the special type (dataset name), and walk the result in
7423 * reverse to make sure to get any snapshots first.
7424 */
53352772 7425 FILE *mnttab;
34dc7c2f
BB		 7426 struct mnttab entry;
7427 uu_avl_pool_t *pool;
149e873a 7428 uu_avl_t *tree = NULL;
34dc7c2f
BB		 7429 unshare_unmount_node_t *node;
7430 uu_avl_index_t idx;
7431 uu_avl_walk_t *walk;
b4d9a82f
AZ		 7432 enum sa_protocol *protocol = NULL,
7433 single_protocol[] = {SA_NO_PROTOCOL, SA_NO_PROTOCOL};
2f71caf2 7434
7435 if (op == OP_SHARE && argc > 0) {
b4d9a82f
AZ		 7436 *single_protocol = sa_protocol_decode(argv[0]);
7437 protocol = single_protocol;
2f71caf2 7438 argc--;
7439 argv++;
7440 }
34dc7c2f
BB		 7441
7442 if (argc != 0) {
7443 (void) fprintf(stderr, gettext("too many arguments\n"));
7444 usage(B_FALSE);
7445 }
7446
428870ff 7447 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 7448 sizeof (unshare_unmount_node_t),
7449 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 7450 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
7451 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
7452 nomem();
34dc7c2f 7453
ebe1d036
RY		 7454 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7455 uu_avl_destroy(tree);
7456 uu_avl_pool_destroy(pool);
cbca6076 7457 return (ENOENT);
ebe1d036 7458 }
cbca6076 7459
53352772 7460 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7461
7462 /* ignore non-ZFS entries */
7463 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
7464 continue;
7465
7466 /* ignore snapshots */
7467 if (strchr(entry.mnt_special, '@') != NULL)
7468 continue;
7469
7470 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7471 ZFS_TYPE_FILESYSTEM)) == NULL) {
7472 ret = 1;
7473 continue;
7474 }
7475
d21d5b82
GDN		 7476 /*
7477 * Ignore datasets that are excluded/restricted by
7478 * parent pool name.
7479 */
7480 if (zpool_skip_pool(zfs_get_pool_name(zhp))) {
7481 zfs_close(zhp);
7482 continue;
7483 }
7484
34dc7c2f
BB		 7485 switch (op) {
7486 case OP_SHARE:
7487 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 7488 nfs_mnt_prop,
7489 sizeof (nfs_mnt_prop),
34dc7c2f 7490 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7491 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 7492 break;
7493 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 7494 nfs_mnt_prop,
7495 sizeof (nfs_mnt_prop),
34dc7c2f 7496 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7497 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 7498 continue;
7499 break;
7500 case OP_MOUNT:
7501 /* Ignore legacy mounts */
7502 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 7503 nfs_mnt_prop,
7504 sizeof (nfs_mnt_prop),
34dc7c2f 7505 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7506 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 7507 continue;
7508 /* Ignore canmount=noauto mounts */
7509 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
7510 ZFS_CANMOUNT_NOAUTO)
7511 continue;
6954c22f 7512 break;
34dc7c2f
BB		 7513 default:
7514 break;
7515 }
7516
7517 node = safe_malloc(sizeof (unshare_unmount_node_t));
7518 node->un_zhp = zhp;
428870ff 7519 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 7520
7521 uu_avl_node_init(node, &node->un_avlnode, pool);
7522
7523 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
7524 uu_avl_insert(tree, node, idx);
7525 } else {
7526 zfs_close(node->un_zhp);
7527 free(node->un_mountp);
7528 free(node);
7529 }
7530 }
53352772 7531 (void) fclose(mnttab);
34dc7c2f
BB		 7532
7533 /*
7534 * Walk the AVL tree in reverse, unmounting each filesystem and
7535 * removing it from the AVL tree in the process.
7536 */
7537 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 7538 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
7539 nomem();
34dc7c2f
BB		 7540
7541 while ((node = uu_avl_walk_next(walk)) != NULL) {
4bc72196 7542 const char *mntarg = NULL;
34dc7c2f 7543
4bc72196 7544 uu_avl_remove(tree, node);
34dc7c2f
BB		 7545 switch (op) {
7546 case OP_SHARE:
b4d9a82f 7547 if (zfs_unshare(node->un_zhp,
2f71caf2 7548 node->un_mountp, protocol) != 0)
34dc7c2f
BB		 7549 ret = 1;
7550 break;
7551
7552 case OP_MOUNT:
7553 if (zfs_unmount(node->un_zhp,
4bc72196 7554 mntarg, flags) != 0)
34dc7c2f
BB		 7555 ret = 1;
7556 break;
7557 }
7558
7559 zfs_close(node->un_zhp);
7560 free(node->un_mountp);
7561 free(node);
7562 }
7563
c15d36c6
GW		 7564 if (op == OP_SHARE)
7565 zfs_commit_shares(protocol);
7566
34dc7c2f
BB		 7567 uu_avl_walk_end(walk);
7568 uu_avl_destroy(tree);
7569 uu_avl_pool_destroy(pool);
7570
34dc7c2f
BB		 7571 } else {
7572 if (argc != 1) {
7573 if (argc == 0)
7574 (void) fprintf(stderr,
7575 gettext("missing filesystem argument\n"));
7576 else
7577 (void) fprintf(stderr,
7578 gettext("too many arguments\n"));
7579 usage(B_FALSE);
7580 }
7581
7582 /*
7583 * We have an argument, but it may be a full path or a ZFS
7584 * filesystem. Pass full paths off to unmount_path() (shared by
7585 * manual_unmount), otherwise open the filesystem and pass to
7586 * zfs_unmount().
7587 */
7588 if (argv[0][0] == '/')
7589 return (unshare_unmount_path(op, argv[0],
7590 flags, B_FALSE));
7591
572e2857
BB		 7592 if ((zhp = zfs_open(g_zfs, argv[0],
7593 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 7594 return (1);
7595
572e2857
BB		 7596 verify(zfs_prop_get(zhp, op == OP_SHARE ?
7597 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
7598 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
7599 NULL, 0, B_FALSE) == 0);
34dc7c2f 7600
572e2857
BB		 7601 switch (op) {
7602 case OP_SHARE:
7603 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
7604 nfs_mnt_prop,
7605 sizeof (nfs_mnt_prop),
7606 NULL, NULL, 0, B_FALSE) == 0);
7607 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
7608 sharesmb, sizeof (sharesmb), NULL, NULL,
7609 0, B_FALSE) == 0);
7610
7611 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7612 strcmp(sharesmb, "off") == 0) {
7613 (void) fprintf(stderr, gettext("cannot "
7614 "unshare '%s': legacy share\n"),
7615 zfs_get_name(zhp));
7616 (void) fprintf(stderr, gettext("use "
76d04993
RM		 7617 "exports(5) or smb.conf(5) to unshare "
7618 "this filesystem\n"));
572e2857 7619 ret = 1;
b4d9a82f 7620 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
572e2857
BB		 7621 (void) fprintf(stderr, gettext("cannot "
7622 "unshare '%s': not currently "
7623 "shared\n"), zfs_get_name(zhp));
7624 ret = 1;
b4d9a82f 7625 } else if (zfs_unshareall(zhp, NULL) != 0) {
572e2857
BB		 7626 ret = 1;
7627 }
7628 break;
34dc7c2f 7629
572e2857
BB		 7630 case OP_MOUNT:
7631 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
7632 (void) fprintf(stderr, gettext("cannot "
7633 "unmount '%s': legacy "
7634 "mountpoint\n"), zfs_get_name(zhp));
7635 (void) fprintf(stderr, gettext("use "
76d04993 7636 "umount(8) to unmount this "
572e2857
BB		 7637 "filesystem\n"));
7638 ret = 1;
7639 } else if (!zfs_is_mounted(zhp, NULL)) {
7640 (void) fprintf(stderr, gettext("cannot "
7641 "unmount '%s': not currently "
7642 "mounted\n"),
7643 zfs_get_name(zhp));
7644 ret = 1;
7645 } else if (zfs_unmountall(zhp, flags) != 0) {
7646 ret = 1;
34dc7c2f 7647 }
572e2857 7648 break;
34dc7c2f
BB		 7649 }
7650
7651 zfs_close(zhp);
7652 }
7653
7654 return (ret);
7655}
7656
7657/*
765d1f06
TC		 7658 * zfs unmount [-fu] -a
7659 * zfs unmount [-fu] filesystem
34dc7c2f
BB		 7660 *
7661 * Unmount all filesystems, or a specific ZFS filesystem.
7662 */
7663static int
7664zfs_do_unmount(int argc, char **argv)
7665{
7666 return (unshare_unmount(OP_MOUNT, argc, argv));
7667}
7668
7669/*
7670 * zfs unshare -a
7671 * zfs unshare filesystem
7672 *
7673 * Unshare all filesystems, or a specific ZFS filesystem.
7674 */
7675static int
7676zfs_do_unshare(int argc, char **argv)
7677{
7678 return (unshare_unmount(OP_SHARE, argc, argv));
7679}
7680
34dc7c2f 7681static int
a926aab9 7682find_command_idx(const char *command, int *idx)
34dc7c2f
BB		 7683{
7684 int i;
7685
7686 for (i = 0; i < NCOMMAND; i++) {
7687 if (command_table[i].name == NULL)
7688 continue;
7689
7690 if (strcmp(command, command_table[i].name) == 0) {
7691 *idx = i;
7692 return (0);
7693 }
7694 }
7695 return (1);
7696}
7697
572e2857
BB		 7698static int
7699zfs_do_diff(int argc, char **argv)
7700{
7701 zfs_handle_t *zhp;
7702 int flags = 0;
7703 char *tosnap = NULL;
7704 char *fromsnap = NULL;
7705 char *atp, *copy;
ad60af8e 7706 int err = 0;
572e2857 7707 int c;
2a15c00f 7708 struct sigaction sa;
572e2857 7709
344bbc82 7710 while ((c = getopt(argc, argv, "FHth")) != -1) {
572e2857
BB		 7711 switch (c) {
7712 case 'F':
7713 flags |= ZFS_DIFF_CLASSIFY;
7714 break;
7715 case 'H':
7716 flags |= ZFS_DIFF_PARSEABLE;
7717 break;
7718 case 't':
7719 flags |= ZFS_DIFF_TIMESTAMP;
7720 break;
344bbc82
AZ		 7721 case 'h':
7722 flags |= ZFS_DIFF_NO_MANGLE;
7723 break;
572e2857
BB		 7724 default:
7725 (void) fprintf(stderr,
7726 gettext("invalid option '%c'\n"), optopt);
7727 usage(B_FALSE);
7728 }
7729 }
7730
7731 argc -= optind;
7732 argv += optind;
7733
7734 if (argc < 1) {
7735 (void) fprintf(stderr,
a1d477c2 7736 gettext("must provide at least one snapshot name\n"));
572e2857
BB		 7737 usage(B_FALSE);
7738 }
7739
7740 if (argc > 2) {
7741 (void) fprintf(stderr, gettext("too many arguments\n"));
7742 usage(B_FALSE);
7743 }
7744
7745 fromsnap = argv[0];
7746 tosnap = (argc == 2) ? argv[1] : NULL;
7747
7748 copy = NULL;
7749 if (*fromsnap != '@')
7750 copy = strdup(fromsnap);
7751 else if (tosnap)
7752 copy = strdup(tosnap);
7753 if (copy == NULL)
7754 usage(B_FALSE);
7755
648a09ad 7756 if ((atp = strchr(copy, '@')) != NULL)
572e2857
BB		 7757 *atp = '\0';
7758
9ec0403d 7759 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) {
7760 free(copy);
572e2857 7761 return (1);
9ec0403d 7762 }
572e2857
BB		 7763 free(copy);
7764
7765 /*
7766 * Ignore SIGPIPE so that the library can give us
7767 * information on any failure
7768 */
2a15c00f
TK		 7769 if (sigemptyset(&sa.sa_mask) == -1) {
7770 err = errno;
7771 goto out;
7772 }
7773 sa.sa_flags = 0;
7774 sa.sa_handler = SIG_IGN;
7775 if (sigaction(SIGPIPE, &sa, NULL) == -1) {
7776 err = errno;
7777 goto out;
7778 }
572e2857
BB		 7779
7780 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
2a15c00f 7781out:
572e2857
BB		 7782 zfs_close(zhp);
7783
7784 return (err != 0);
7785}
7786
da536844 7787/*
a73f361f 7788 * zfs bookmark <fs@source>|<fs#source> <fs#bookmark>
da536844 7789 *
a73f361f
CS		 7790 * Creates a bookmark with the given name from the source snapshot
7791 * or creates a copy of an existing source bookmark.
da536844
MA		 7792 */
7793static int
7794zfs_do_bookmark(int argc, char **argv)
7795{
a73f361f
CS		 7796 char *source, *bookname;
7797 char expbuf[ZFS_MAX_DATASET_NAME_LEN];
7798 int source_type;
da536844
MA		 7799 nvlist_t *nvl;
7800 int ret = 0;
7801 int c;
7802
7803 /* check options */
7804 while ((c = getopt(argc, argv, "")) != -1) {
7805 switch (c) {
7806 case '?':
7807 (void) fprintf(stderr,
7808 gettext("invalid option '%c'\n"), optopt);
7809 goto usage;
7810 }
7811 }
7812
7813 argc -= optind;
7814 argv += optind;
7815
7816 /* check number of arguments */
7817 if (argc < 1) {
a73f361f 7818 (void) fprintf(stderr, gettext("missing source argument\n"));
da536844
MA		 7819 goto usage;
7820 }
7821 if (argc < 2) {
7822 (void) fprintf(stderr, gettext("missing bookmark argument\n"));
7823 goto usage;
7824 }
7825
a73f361f
CS		 7826 source = argv[0];
7827 bookname = argv[1];
7828
7829 if (strchr(source, '@') == NULL && strchr(source, '#') == NULL) {
4af6873a 7830 (void) fprintf(stderr,
a73f361f
CS		 7831 gettext("invalid source name '%s': "
7832 "must contain a '@' or '#'\n"), source);
4af6873a 7833 goto usage;
7834 }
a73f361f 7835 if (strchr(bookname, '#') == NULL) {
da536844 7836 (void) fprintf(stderr,
587e228a 7837 gettext("invalid bookmark name '%s': "
a73f361f 7838 "must contain a '#'\n"), bookname);
da536844
MA		 7839 goto usage;
7840 }
7841
a73f361f
CS		 7842 /*
7843 * expand source or bookname to full path:
7844 * one of them may be specified as short name
7845 */
7846 {
7847 char **expand;
7848 char *source_short, *bookname_short;
7849 source_short = strpbrk(source, "@#");
7850 bookname_short = strpbrk(bookname, "#");
7851 if (source_short == source &&
7852 bookname_short == bookname) {
7853 (void) fprintf(stderr, gettext(
7854 "either source or bookmark must be specified as "
7855 "full dataset paths"));
7856 goto usage;
7857 } else if (source_short != source &&
7858 bookname_short != bookname) {
7859 expand = NULL;
7860 } else if (source_short != source) {
7861 strlcpy(expbuf, source, sizeof (expbuf));
7862 expand = &bookname;
7863 } else if (bookname_short != bookname) {
7864 strlcpy(expbuf, bookname, sizeof (expbuf));
7865 expand = &source;
7866 } else {
7867 abort();
7868 }
7869 if (expand != NULL) {
7870 *strpbrk(expbuf, "@#") = '\0'; /* dataset name in buf */
7871 (void) strlcat(expbuf, *expand, sizeof (expbuf));
7872 *expand = expbuf;
7873 }
da536844 7874 }
a73f361f
CS		 7875
7876 /* determine source type */
7877 switch (*strpbrk(source, "@#")) {
7878 case '@': source_type = ZFS_TYPE_SNAPSHOT; break;
7879 case '#': source_type = ZFS_TYPE_BOOKMARK; break;
7880 default: abort();
587e228a 7881 }
7882
a73f361f
CS		 7883 /* test the source exists */
7884 zfs_handle_t *zhp;
7885 zhp = zfs_open(g_zfs, source, source_type);
da536844
MA		 7886 if (zhp == NULL)
7887 goto usage;
7888 zfs_close(zhp);
7889
da536844 7890 nvl = fnvlist_alloc();
a73f361f 7891 fnvlist_add_string(nvl, bookname, source);
da536844
MA		 7892 ret = lzc_bookmark(nvl, NULL);
7893 fnvlist_free(nvl);
7894
7895 if (ret != 0) {
b83a0e2d 7896 const char *err_msg = NULL;
da536844
MA		 7897 char errbuf[1024];
7898
7899 (void) snprintf(errbuf, sizeof (errbuf),
7900 dgettext(TEXT_DOMAIN,
587e228a 7901 "cannot create bookmark '%s'"), bookname);
da536844
MA		 7902
7903 switch (ret) {
7904 case EXDEV:
7905 err_msg = "bookmark is in a different pool";
7906 break;
a73f361f
CS		 7907 case ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR:
7908 err_msg = "source is not an ancestor of the "
7909 "new bookmark's dataset";
7910 break;
da536844
MA		 7911 case EEXIST:
7912 err_msg = "bookmark exists";
7913 break;
7914 case EINVAL:
7915 err_msg = "invalid argument";
7916 break;
7917 case ENOTSUP:
7918 err_msg = "bookmark feature not enabled";
7919 break;
3d45fdd6
MA		 7920 case ENOSPC:
7921 err_msg = "out of space";
7922 break;
587e228a 7923 case ENOENT:
7924 err_msg = "dataset does not exist";
7925 break;
da536844 7926 default:
b83a0e2d 7927 (void) zfs_standard_error(g_zfs, ret, errbuf);
da536844
MA		 7928 break;
7929 }
b83a0e2d
DB		 7930 if (err_msg != NULL) {
7931 (void) fprintf(stderr, "%s: %s\n", errbuf,
7932 dgettext(TEXT_DOMAIN, err_msg));
7933 }
da536844
MA		 7934 }
7935
3d45fdd6 7936 return (ret != 0);
da536844
MA		 7937
7938usage:
7939 usage(B_FALSE);
7940 return (-1);
7941}
7942
d99a0153
CW		 7943static int
7944zfs_do_channel_program(int argc, char **argv)
7945{
7946 int ret, fd, c;
d99a0153 7947 size_t progsize, progread;
b83a0e2d 7948 nvlist_t *outnvl = NULL;
d99a0153
CW		 7949 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT;
7950 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT;
272b5d73 7951 boolean_t sync_flag = B_TRUE, json_output = B_FALSE;
d99a0153
CW		 7952 zpool_handle_t *zhp;
7953
7954 /* check options */
272b5d73 7955 while ((c = getopt(argc, argv, "nt:m:j")) != -1) {
d99a0153
CW		 7956 switch (c) {
7957 case 't':
7958 case 'm': {
7959 uint64_t arg;
7960 char *endp;
7961
7962 errno = 0;
7963 arg = strtoull(optarg, &endp, 0);
7964 if (errno != 0 || *endp != '\0') {
7965 (void) fprintf(stderr, gettext(
7966 "invalid argument "
7967 "'%s': expected integer\n"), optarg);
7968 goto usage;
7969 }
7970
7971 if (c == 't') {
917f475f 7972 instrlimit = arg;
d99a0153
CW		 7973 } else {
7974 ASSERT3U(c, ==, 'm');
917f475f 7975 memlimit = arg;
d99a0153
CW		 7976 }
7977 break;
7978 }
5b72a38d
SD		 7979 case 'n': {
7980 sync_flag = B_FALSE;
7981 break;
7982 }
272b5d73
AP		 7983 case 'j': {
7984 json_output = B_TRUE;
7985 break;
7986 }
d99a0153
CW		 7987 case '?':
7988 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7989 optopt);
7990 goto usage;
7991 }
7992 }
7993
7994 argc -= optind;
7995 argv += optind;
7996
7997 if (argc < 2) {
7998 (void) fprintf(stderr,
7999 gettext("invalid number of arguments\n"));
8000 goto usage;
8001 }
8002
a926aab9
AZ		 8003 const char *poolname = argv[0];
8004 const char *filename = argv[1];
d99a0153
CW		 8005 if (strcmp(filename, "-") == 0) {
8006 fd = 0;
8007 filename = "standard input";
8008 } else if ((fd = open(filename, O_RDONLY)) < 0) {
8009 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"),
8010 filename, strerror(errno));
8011 return (1);
8012 }
8013
8014 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
62b2152e 8015 (void) fprintf(stderr, gettext("cannot open pool '%s'\n"),
d99a0153 8016 poolname);
cbce5813
DB		 8017 if (fd != 0)
8018 (void) close(fd);
d99a0153
CW		 8019 return (1);
8020 }
8021 zpool_close(zhp);
8022
8023 /*
8024 * Read in the channel program, expanding the program buffer as
8025 * necessary.
8026 */
8027 progread = 0;
8028 progsize = 1024;
a926aab9 8029 char *progbuf = safe_malloc(progsize);
d99a0153
CW		 8030 do {
8031 ret = read(fd, progbuf + progread, progsize - progread);
8032 progread += ret;
8033 if (progread == progsize && ret > 0) {
8034 progsize *= 2;
8035 progbuf = safe_realloc(progbuf, progsize);
8036 }
8037 } while (ret > 0);
8038
8039 if (fd != 0)
8040 (void) close(fd);
8041 if (ret < 0) {
8042 free(progbuf);
8043 (void) fprintf(stderr,
8044 gettext("cannot read '%s': %s\n"),
8045 filename, strerror(errno));
8046 return (1);
8047 }
8048 progbuf[progread] = '\0';
8049
8050 /*
8051 * Any remaining arguments are passed as arguments to the lua script as
8052 * a string array:
8053 * {
8054 * "argv" -> [ "arg 1", ... "arg n" ],
8055 * }
8056 */
8057 nvlist_t *argnvl = fnvlist_alloc();
795075e6
PD		 8058 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV,
8059 (const char **)argv + 2, argc - 2);
d99a0153 8060
5b72a38d
SD		 8061 if (sync_flag) {
8062 ret = lzc_channel_program(poolname, progbuf,
8063 instrlimit, memlimit, argnvl, &outnvl);
8064 } else {
8065 ret = lzc_channel_program_nosync(poolname, progbuf,
8066 instrlimit, memlimit, argnvl, &outnvl);
8067 }
d99a0153
CW		 8068
8069 if (ret != 0) {
8070 /*
8071 * On error, report the error message handed back by lua if one
8072 * exists. Otherwise, generate an appropriate error message,
8073 * falling back on strerror() for an unexpected return code.
8074 */
a926aab9 8075 const char *errstring = NULL;
b83a0e2d 8076 const char *msg = gettext("Channel program execution failed");
d99a0153 8077 uint64_t instructions = 0;
b83a0e2d 8078 if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) {
a926aab9 8079 char *es = NULL;
d99a0153 8080 (void) nvlist_lookup_string(outnvl,
a926aab9
AZ		 8081 ZCP_RET_ERROR, &es);
8082 if (es == NULL)
d99a0153 8083 errstring = strerror(ret);
a926aab9
AZ		 8084 else
8085 errstring = es;
d99a0153
CW		 8086 if (ret == ETIME) {
8087 (void) nvlist_lookup_uint64(outnvl,
8088 ZCP_ARG_INSTRLIMIT, &instructions);
8089 }
8090 } else {
8091 switch (ret) {
8092 case EINVAL:
8093 errstring =
8094 "Invalid instruction or memory limit.";
8095 break;
8096 case ENOMEM:
8097 errstring = "Return value too large.";
8098 break;
8099 case ENOSPC:
8100 errstring = "Memory limit exhausted.";
8101 break;
8102 case ETIME:
8103 errstring = "Timed out.";
8104 break;
8105 case EPERM:
8106 errstring = "Permission denied. Channel "
8107 "programs must be run as root.";
8108 break;
8109 default:
b83a0e2d 8110 (void) zfs_standard_error(g_zfs, ret, msg);
d99a0153
CW		 8111 }
8112 }
b83a0e2d
DB		 8113 if (errstring != NULL)
8114 (void) fprintf(stderr, "%s:\n%s\n", msg, errstring);
8115
d99a0153 8116 if (ret == ETIME && instructions != 0)
272b5d73
AP		 8117 (void) fprintf(stderr,
8118 gettext("%llu Lua instructions\n"),
d99a0153
CW		 8119 (u_longlong_t)instructions);
8120 } else {
272b5d73
AP		 8121 if (json_output) {
8122 (void) nvlist_print_json(stdout, outnvl);
8123 } else if (nvlist_empty(outnvl)) {
8124 (void) fprintf(stdout, gettext("Channel program fully "
8125 "executed and did not produce output.\n"));
d99a0153 8126 } else {
272b5d73
AP		 8127 (void) fprintf(stdout, gettext("Channel program fully "
8128 "executed and produced output:\n"));
d99a0153
CW		 8129 dump_nvlist(outnvl, 4);
8130 }
8131 }
8132
8133 free(progbuf);
8134 fnvlist_free(outnvl);
8135 fnvlist_free(argnvl);
8136 return (ret != 0);
8137
8138usage:
8139 usage(B_FALSE);
8140 return (-1);
8141}
8142
8143
b5256303
TC		 8144typedef struct loadkey_cbdata {
8145 boolean_t cb_loadkey;
8146 boolean_t cb_recursive;
8147 boolean_t cb_noop;
8148 char *cb_keylocation;
8149 uint64_t cb_numfailed;
8150 uint64_t cb_numattempted;
8151} loadkey_cbdata_t;
8152
8153static int
8154load_key_callback(zfs_handle_t *zhp, void *data)
8155{
8156 int ret;
8157 boolean_t is_encroot;
8158 loadkey_cbdata_t *cb = data;
8159 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8160
8161 /*
8162 * If we are working recursively, we want to skip loading / unloading
8163 * keys for non-encryption roots and datasets whose keys are already
8164 * in the desired end-state.
8165 */
8166 if (cb->cb_recursive) {
8167 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL);
8168 if (ret != 0)
8169 return (ret);
8170 if (!is_encroot)
8171 return (0);
8172
8173 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) ||
8174 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE))
8175 return (0);
8176 }
8177
8178 cb->cb_numattempted++;
8179
8180 if (cb->cb_loadkey)
8181 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation);
8182 else
8183 ret = zfs_crypto_unload_key(zhp);
8184
8185 if (ret != 0) {
8186 cb->cb_numfailed++;
8187 return (ret);
8188 }
8189
8190 return (0);
8191}
8192
8193static int
8194load_unload_keys(int argc, char **argv, boolean_t loadkey)
8195{
8196 int c, ret = 0, flags = 0;
8197 boolean_t do_all = B_FALSE;
8198 loadkey_cbdata_t cb = { 0 };
8199
8200 cb.cb_loadkey = loadkey;
8201
8202 while ((c = getopt(argc, argv, "anrL:")) != -1) {
8203 /* noop and alternate keylocations only apply to zfs load-key */
8204 if (loadkey) {
8205 switch (c) {
8206 case 'n':
8207 cb.cb_noop = B_TRUE;
8208 continue;
8209 case 'L':
8210 cb.cb_keylocation = optarg;
8211 continue;
8212 default:
8213 break;
8214 }
8215 }
8216
8217 switch (c) {
8218 case 'a':
8219 do_all = B_TRUE;
8220 cb.cb_recursive = B_TRUE;
8221 break;
8222 case 'r':
8223 flags |= ZFS_ITER_RECURSE;
8224 cb.cb_recursive = B_TRUE;
8225 break;
8226 default:
8227 (void) fprintf(stderr,
8228 gettext("invalid option '%c'\n"), optopt);
8229 usage(B_FALSE);
8230 }
8231 }
8232
8233 argc -= optind;
8234 argv += optind;
8235
8236 if (!do_all && argc == 0) {
8237 (void) fprintf(stderr,
8238 gettext("Missing dataset argument or -a option\n"));
8239 usage(B_FALSE);
8240 }
8241
8242 if (do_all && argc != 0) {
8243 (void) fprintf(stderr,
8244 gettext("Cannot specify dataset with -a option\n"));
8245 usage(B_FALSE);
8246 }
8247
8248 if (cb.cb_recursive && cb.cb_keylocation != NULL &&
8249 strcmp(cb.cb_keylocation, "prompt") != 0) {
8250 (void) fprintf(stderr, gettext("alternate keylocation may only "
8251 "be 'prompt' with -r or -a\n"));
8252 usage(B_FALSE);
8253 }
8254
8255 ret = zfs_for_each(argc, argv, flags,
8256 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0,
8257 load_key_callback, &cb);
8258
8259 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) {
8260 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"),
8261 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed),
8262 (u_longlong_t)cb.cb_numattempted,
8263 loadkey ? (cb.cb_noop ? "verified" : "loaded") :
8264 "unloaded");
8265 }
8266
8267 if (cb.cb_numfailed != 0)
8268 ret = -1;
8269
8270 return (ret);
8271}
8272
8273static int
8274zfs_do_load_key(int argc, char **argv)
8275{
8276 return (load_unload_keys(argc, argv, B_TRUE));
8277}
8278
8279
8280static int
8281zfs_do_unload_key(int argc, char **argv)
8282{
8283 return (load_unload_keys(argc, argv, B_FALSE));
8284}
8285
8286static int
8287zfs_do_change_key(int argc, char **argv)
8288{
8289 int c, ret;
8290 uint64_t keystatus;
8291 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE;
8292 zfs_handle_t *zhp = NULL;
8293 nvlist_t *props = fnvlist_alloc();
8294
8295 while ((c = getopt(argc, argv, "lio:")) != -1) {
8296 switch (c) {
8297 case 'l':
8298 loadkey = B_TRUE;
8299 break;
8300 case 'i':
8301 inheritkey = B_TRUE;
8302 break;
8303 case 'o':
8304 if (!parseprop(props, optarg)) {
8305 nvlist_free(props);
8306 return (1);
8307 }
8308 break;
8309 default:
8310 (void) fprintf(stderr,
8311 gettext("invalid option '%c'\n"), optopt);
8312 usage(B_FALSE);
8313 }
8314 }
8315
8316 if (inheritkey && !nvlist_empty(props)) {
8317 (void) fprintf(stderr,
8318 gettext("Properties not allowed for inheriting\n"));
8319 usage(B_FALSE);
8320 }
8321
8322 argc -= optind;
8323 argv += optind;
8324
8325 if (argc < 1) {
8326 (void) fprintf(stderr, gettext("Missing dataset argument\n"));
8327 usage(B_FALSE);
8328 }
8329
8330 if (argc > 1) {
8331 (void) fprintf(stderr, gettext("Too many arguments\n"));
8332 usage(B_FALSE);
8333 }
8334
8335 zhp = zfs_open(g_zfs, argv[argc - 1],
8336 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
8337 if (zhp == NULL)
8338 usage(B_FALSE);
8339
8340 if (loadkey) {
8341 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8342 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) {
8343 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL);
4807c0ba
TC		 8344 if (ret != 0) {
8345 nvlist_free(props);
8346 zfs_close(zhp);
8347 return (-1);
8348 }
b5256303
TC		 8349 }
8350
4807c0ba 8351 /* refresh the properties so the new keystatus is visible */
b5256303
TC		 8352 zfs_refresh_properties(zhp);
8353 }
8354
8355 ret = zfs_crypto_rewrap(zhp, props, inheritkey);
4807c0ba
TC		 8356 if (ret != 0) {
8357 nvlist_free(props);
8358 zfs_close(zhp);
8359 return (-1);
8360 }
b5256303
TC		 8361
8362 nvlist_free(props);
8363 zfs_close(zhp);
8364 return (0);
b5256303
TC		 8365}
8366
9c5167d1
NF		 8367/*
8368 * 1) zfs project [-d|-r] <file|directory ...>
8369 * List project ID and inherit flag of file(s) or directories.
8370 * -d: List the directory itself, not its children.
8371 * -r: List subdirectories recursively.
8372 *
8373 * 2) zfs project -C [-k] [-r] <file|directory ...>
8374 * Clear project inherit flag and/or ID on the file(s) or directories.
8375 * -k: Keep the project ID unchanged. If not specified, the project ID
8376 * will be reset as zero.
8377 * -r: Clear on subdirectories recursively.
8378 *
8379 * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...>
8380 * Check project ID and inherit flag on the file(s) or directories,
8381 * report the outliers.
8382 * -0: Print file name followed by a NUL instead of newline.
8383 * -d: Check the directory itself, not its children.
8384 * -p: Specify the referenced ID for comparing with the target file(s)
8385 * or directories' project IDs. If not specified, the target (top)
8386 * directory's project ID will be used as the referenced one.
8387 * -r: Check subdirectories recursively.
8388 *
8389 * 4) zfs project [-p id] [-r] [-s] <file|directory ...>
8390 * Set project ID and/or inherit flag on the file(s) or directories.
8391 * -p: Set the project ID as the given id.
ad0b23b1 8392 * -r: Set on subdirectories recursively. If not specify "-p" option,
9c5167d1
NF		 8393 * it will use top-level directory's project ID as the given id,
8394 * then set both project ID and inherit flag on all descendants
8395 * of the top-level directory.
8396 * -s: Set project inherit flag.
8397 */
8398static int
8399zfs_do_project(int argc, char **argv)
8400{
8401 zfs_project_control_t zpc = {
8402 .zpc_expected_projid = ZFS_INVALID_PROJID,
8403 .zpc_op = ZFS_PROJECT_OP_DEFAULT,
8404 .zpc_dironly = B_FALSE,
8405 .zpc_keep_projid = B_FALSE,
8406 .zpc_newline = B_TRUE,
8407 .zpc_recursive = B_FALSE,
8408 .zpc_set_flag = B_FALSE,
8409 };
8410 int ret = 0, c;
8411
8412 if (argc < 2)
8413 usage(B_FALSE);
8414
8415 while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) {
8416 switch (c) {
8417 case '0':
8418 zpc.zpc_newline = B_FALSE;
8419 break;
8420 case 'C':
8421 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8422 (void) fprintf(stderr, gettext("cannot "
8423 "specify '-C' '-c' '-s' together\n"));
8424 usage(B_FALSE);
8425 }
8426
8427 zpc.zpc_op = ZFS_PROJECT_OP_CLEAR;
8428 break;
8429 case 'c':
8430 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8431 (void) fprintf(stderr, gettext("cannot "
8432 "specify '-C' '-c' '-s' together\n"));
8433 usage(B_FALSE);
8434 }
8435
8436 zpc.zpc_op = ZFS_PROJECT_OP_CHECK;
8437 break;
8438 case 'd':
8439 zpc.zpc_dironly = B_TRUE;
8440 /* overwrite "-r" option */
8441 zpc.zpc_recursive = B_FALSE;
8442 break;
8443 case 'k':
8444 zpc.zpc_keep_projid = B_TRUE;
8445 break;
8446 case 'p': {
8447 char *endptr;
8448
8449 errno = 0;
8450 zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0);
8451 if (errno != 0 || *endptr != '\0') {
8452 (void) fprintf(stderr,
8453 gettext("project ID must be less than "
8454 "%u\n"), UINT32_MAX);
8455 usage(B_FALSE);
8456 }
8457 if (zpc.zpc_expected_projid >= UINT32_MAX) {
8458 (void) fprintf(stderr,
8459 gettext("invalid project ID\n"));
8460 usage(B_FALSE);
8461 }
8462 break;
8463 }
8464 case 'r':
8465 zpc.zpc_recursive = B_TRUE;
8466 /* overwrite "-d" option */
8467 zpc.zpc_dironly = B_FALSE;
8468 break;
8469 case 's':
8470 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8471 (void) fprintf(stderr, gettext("cannot "
8472 "specify '-C' '-c' '-s' together\n"));
8473 usage(B_FALSE);
8474 }
8475
8476 zpc.zpc_set_flag = B_TRUE;
8477 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8478 break;
8479 default:
8480 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8481 optopt);
8482 usage(B_FALSE);
8483 }
8484 }
8485
8486 if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) {
8487 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID)
8488 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8489 else
8490 zpc.zpc_op = ZFS_PROJECT_OP_LIST;
8491 }
8492
8493 switch (zpc.zpc_op) {
8494 case ZFS_PROJECT_OP_LIST:
8495 if (zpc.zpc_keep_projid) {
8496 (void) fprintf(stderr,
8497 gettext("'-k' is only valid together with '-C'\n"));
8498 usage(B_FALSE);
8499 }
8500 if (!zpc.zpc_newline) {
8501 (void) fprintf(stderr,
8502 gettext("'-0' is only valid together with '-c'\n"));
8503 usage(B_FALSE);
8504 }
8505 break;
8506 case ZFS_PROJECT_OP_CHECK:
8507 if (zpc.zpc_keep_projid) {
8508 (void) fprintf(stderr,
8509 gettext("'-k' is only valid together with '-C'\n"));
8510 usage(B_FALSE);
8511 }
8512 break;
8513 case ZFS_PROJECT_OP_CLEAR:
8514 if (zpc.zpc_dironly) {
8515 (void) fprintf(stderr,
8516 gettext("'-d' is useless together with '-C'\n"));
8517 usage(B_FALSE);
8518 }
8519 if (!zpc.zpc_newline) {
8520 (void) fprintf(stderr,
8521 gettext("'-0' is only valid together with '-c'\n"));
8522 usage(B_FALSE);
8523 }
8524 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) {
8525 (void) fprintf(stderr,
8526 gettext("'-p' is useless together with '-C'\n"));
8527 usage(B_FALSE);
8528 }
8529 break;
8530 case ZFS_PROJECT_OP_SET:
8531 if (zpc.zpc_dironly) {
8532 (void) fprintf(stderr,
8533 gettext("'-d' is useless for set project ID and/or "
8534 "inherit flag\n"));
8535 usage(B_FALSE);
8536 }
8537 if (zpc.zpc_keep_projid) {
8538 (void) fprintf(stderr,
8539 gettext("'-k' is only valid together with '-C'\n"));
8540 usage(B_FALSE);
8541 }
8542 if (!zpc.zpc_newline) {
8543 (void) fprintf(stderr,
8544 gettext("'-0' is only valid together with '-c'\n"));
8545 usage(B_FALSE);
8546 }
8547 break;
8548 default:
8549 ASSERT(0);
8550 break;
8551 }
8552
8553 argv += optind;
8554 argc -= optind;
8555 if (argc == 0) {
8556 (void) fprintf(stderr,
8557 gettext("missing file or directory target(s)\n"));
8558 usage(B_FALSE);
8559 }
8560
8561 for (int i = 0; i < argc; i++) {
8562 int err;
8563
8564 err = zfs_project_handle(argv[i], &zpc);
8565 if (err && !ret)
8566 ret = err;
8567 }
8568
8569 return (ret);
8570}
8571
5a42ef04
PD		 8572static int
8573zfs_do_wait(int argc, char **argv)
8574{
8575 boolean_t enabled[ZFS_WAIT_NUM_ACTIVITIES];
4ecd9637 8576 int error = 0, i;
fb188409 8577 int c;
5a42ef04
PD		 8578
8579 /* By default, wait for all types of activity. */
8580 for (i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++)
8581 enabled[i] = B_TRUE;
8582
8583 while ((c = getopt(argc, argv, "t:")) != -1) {
8584 switch (c) {
8585 case 't':
5a42ef04 8586 /* Reset activities array */
861166b0 8587 memset(&enabled, 0, sizeof (enabled));
5a42ef04 8588
15aca3ad
AZ		 8589 for (char *tok; (tok = strsep(&optarg, ",")); ) {
8590 static const char *const col_subopts[
8591 ZFS_WAIT_NUM_ACTIVITIES] = { "deleteq" };
5a42ef04 8592
15aca3ad
AZ		 8593 for (i = 0; i < ARRAY_SIZE(col_subopts); ++i)
8594 if (strcmp(tok, col_subopts[i]) == 0) {
8595 enabled[i] = B_TRUE;
8596 goto found;
8597 }
8598
8599 (void) fprintf(stderr,
8600 gettext("invalid activity '%s'\n"), tok);
8601 usage(B_FALSE);
8602found:;
5a42ef04
PD		 8603 }
8604 break;
5a42ef04
PD		 8605 case '?':
8606 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8607 optopt);
8608 usage(B_FALSE);
8609 }
8610 }
8611
8612 argv += optind;
8613 argc -= optind;
8614 if (argc < 1) {
8615 (void) fprintf(stderr, gettext("missing 'filesystem' "
8616 "argument\n"));
8617 usage(B_FALSE);
8618 }
8619 if (argc > 1) {
8620 (void) fprintf(stderr, gettext("too many arguments\n"));
8621 usage(B_FALSE);
8622 }
8623
8624 zfs_handle_t *zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM);
8625 if (zhp == NULL)
8626 return (1);
8627
8628 for (;;) {
8629 boolean_t missing = B_FALSE;
8630 boolean_t any_waited = B_FALSE;
8631
8632 for (int i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++) {
8633 boolean_t waited;
8634
8635 if (!enabled[i])
8636 continue;
8637
8638 error = zfs_wait_status(zhp, i, &missing, &waited);
8639 if (error != 0 || missing)
8640 break;
8641
8642 any_waited = (any_waited || waited);
8643 }
8644
8645 if (error != 0 || missing || !any_waited)
8646 break;
8647 }
8648
8649 zfs_close(zhp);
8650
8651 return (error);
8652}
8653
50478c6d
T		 8654/*
8655 * Display version message
8656 */
8657static int
8658zfs_do_version(int argc, char **argv)
8659{
f291fa65 8660 (void) argc, (void) argv;
2b4f2fc9 8661 return (zfs_version_print() != 0);
50478c6d
T		 8662}
8663
34dc7c2f
BB		 8664int
8665main(int argc, char **argv)
8666{
ad60af8e 8667 int ret = 0;
d4ed6673 8668 int i = 0;
a926aab9 8669 const char *cmdname;
edc05fdb 8670 char **newargv;
34dc7c2f
BB		 8671
8672 (void) setlocale(LC_ALL, "");
c2c7ca0d 8673 (void) setlocale(LC_NUMERIC, "C");
34dc7c2f
BB		 8674 (void) textdomain(TEXT_DOMAIN);
8675
8676 opterr = 0;
8677
34dc7c2f 8678 /*
d53368f6 8679 * Make sure the user has specified some command.
34dc7c2f 8680 */
d53368f6
BB		 8681 if (argc < 2) {
8682 (void) fprintf(stderr, gettext("missing command\n"));
8683 usage(B_FALSE);
8684 }
34dc7c2f 8685
d53368f6 8686 cmdname = argv[1];
34dc7c2f 8687
d53368f6
BB		 8688 /*
8689 * The 'umount' command is an alias for 'unmount'
8690 */
8691 if (strcmp(cmdname, "umount") == 0)
8692 cmdname = "unmount";
34dc7c2f 8693
d53368f6
BB		 8694 /*
8695 * The 'recv' command is an alias for 'receive'
8696 */
8697 if (strcmp(cmdname, "recv") == 0)
8698 cmdname = "receive";
34dc7c2f 8699
10b75496
S		 8700 /*
8701 * The 'snap' command is an alias for 'snapshot'
8702 */
8703 if (strcmp(cmdname, "snap") == 0)
8704 cmdname = "snapshot";
8705
d53368f6
BB		 8706 /*
8707 * Special case '-?'
8708 */
8709 if ((strcmp(cmdname, "-?") == 0) ||
8710 (strcmp(cmdname, "--help") == 0))
8711 usage(B_TRUE);
34dc7c2f 8712
50478c6d
T		 8713 /*
8714 * Special case '-V|--version'
8715 */
8716 if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0))
8717 return (zfs_do_version(argc, argv));
8718
65037d9b 8719 if ((g_zfs = libzfs_init()) == NULL) {
afc8f0a6 8720 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
d53368f6 8721 return (1);
65037d9b 8722 }
9b020fd9 8723
6f1ffb06 8724 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
9b020fd9 8725
d53368f6 8726 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 8727
edc05fdb
D		 8728 /*
8729 * Many commands modify input strings for string parsing reasons.
8730 * We create a copy to protect the original argv.
8731 */
a3dcc0aa 8732 newargv = safe_malloc((argc + 1) * sizeof (newargv[0]));
edc05fdb
D		 8733 for (i = 0; i < argc; i++)
8734 newargv[i] = strdup(argv[i]);
8735 newargv[argc] = NULL;
8736
d53368f6
BB		 8737 /*
8738 * Run the appropriate command.
8739 */
e0730668 8740 libzfs_mnttab_cache(g_zfs, B_TRUE);
d53368f6
BB		 8741 if (find_command_idx(cmdname, &i) == 0) {
8742 current_command = &command_table[i];
edc05fdb 8743 ret = command_table[i].func(argc - 1, newargv + 1);
d53368f6
BB		 8744 } else if (strchr(cmdname, '=') != NULL) {
8745 verify(find_command_idx("set", &i) == 0);
8746 current_command = &command_table[i];
edc05fdb 8747 ret = command_table[i].func(argc, newargv);
d53368f6
BB		 8748 } else {
8749 (void) fprintf(stderr, gettext("unrecognized "
8750 "command '%s'\n"), cmdname);
8751 usage(B_FALSE);
8752 ret = 1;
34dc7c2f
BB		 8753 }
8754
edc05fdb
D		 8755 for (i = 0; i < argc; i++)
8756 free(newargv[i]);
8757 free(newargv);
8758
6f1ffb06
MA		 8759 if (ret == 0 && log_history)
8760 (void) zpool_log_history(g_zfs, history_str);
8761
fb8e608d
TC		 8762 libzfs_fini(g_zfs);
8763
34dc7c2f
BB		 8764 /*
8765 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
8766 * for the purposes of running ::findleaks.
8767 */
8768 if (getenv("ZFS_ABORT") != NULL) {
8769 (void) printf("dumping core by request\n");
8770 abort();
8771 }
8772
8773 return (ret);
8774}
4bc72196 8775
4ed5e250
WA		 8776/*
8777 * zfs zone nsfile filesystem
8778 *
8779 * Add or delete the given dataset to/from the namespace.
8780 */
8781#ifdef __linux__
8782static int
8783zfs_do_zone_impl(int argc, char **argv, boolean_t attach)
8784{
8785 zfs_handle_t *zhp;
8786 int ret;
8787
8788 if (argc < 3) {
8789 (void) fprintf(stderr, gettext("missing argument(s)\n"));
8790 usage(B_FALSE);
8791 }
8792 if (argc > 3) {
8793 (void) fprintf(stderr, gettext("too many arguments\n"));
8794 usage(B_FALSE);
8795 }
8796
8797 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
8798 if (zhp == NULL)
8799 return (1);
8800
8801 ret = (zfs_userns(zhp, argv[1], attach) != 0);
8802
8803 zfs_close(zhp);
8804 return (ret);
8805}
8806
8807static int
8808zfs_do_zone(int argc, char **argv)
8809{
8810 return (zfs_do_zone_impl(argc, argv, B_TRUE));
8811}
8812
8813static int
8814zfs_do_unzone(int argc, char **argv)
8815{
8816 return (zfs_do_zone_impl(argc, argv, B_FALSE));
8817}
8818#endif
8819
4bc72196
MM		 8820#ifdef __FreeBSD__
8821#include <sys/jail.h>
8822#include <jail.h>
8823/*
8824 * Attach/detach the given dataset to/from the given jail
8825 */
4bc72196
MM		 8826static int
8827zfs_do_jail_impl(int argc, char **argv, boolean_t attach)
8828{
8829 zfs_handle_t *zhp;
8830 int jailid, ret;
8831
8832 /* check number of arguments */
8833 if (argc < 3) {
8834 (void) fprintf(stderr, gettext("missing argument(s)\n"));
8835 usage(B_FALSE);
8836 }
8837 if (argc > 3) {
8838 (void) fprintf(stderr, gettext("too many arguments\n"));
8839 usage(B_FALSE);
8840 }
8841
8842 jailid = jail_getid(argv[1]);
8843 if (jailid < 0) {
8844 (void) fprintf(stderr, gettext("invalid jail id or name\n"));
8845 usage(B_FALSE);
8846 }
8847
8848 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
8849 if (zhp == NULL)
8850 return (1);
8851
8852 ret = (zfs_jail(zhp, jailid, attach) != 0);
8853
8854 zfs_close(zhp);
8855 return (ret);
8856}
8857
8858/*
8859 * zfs jail jailid filesystem
8860 *
8861 * Attach the given dataset to the given jail
8862 */
4bc72196
MM		 8863static int
8864zfs_do_jail(int argc, char **argv)
8865{
8866 return (zfs_do_jail_impl(argc, argv, B_TRUE));
8867}
8868
8869/*
8870 * zfs unjail jailid filesystem
8871 *
8872 * Detach the given dataset from the given jail
8873 */
4bc72196
MM		 8874static int
8875zfs_do_unjail(int argc, char **argv)
8876{
8877 return (zfs_do_jail_impl(argc, argv, B_FALSE));
8878}
8879#endif
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