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FreeBSD: Add zfs_link_create() error handling
[mirror_zfs.git] / cmd / zfs / zfs_main.c
CommitLineData
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
7228ba11
RN		 135static int zfs_do_help(int argc, char **argv);
136
34dc7c2f 137/*
b128c09f 138 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
34dc7c2f 139 */
b128c09f
BB		 140
141#ifdef DEBUG
34dc7c2f
BB		 142const char *
143_umem_debug_init(void)
144{
145 return ("default,verbose"); /* $UMEM_DEBUG setting */
146}
147
148const char *
149_umem_logging_init(void)
150{
151 return ("fail,contents"); /* $UMEM_LOGGING setting */
152}
b128c09f 153#endif
34dc7c2f
BB		 154
155typedef enum {
156 HELP_CLONE,
157 HELP_CREATE,
158 HELP_DESTROY,
159 HELP_GET,
160 HELP_INHERIT,
161 HELP_UPGRADE,
162 HELP_LIST,
163 HELP_MOUNT,
164 HELP_PROMOTE,
165 HELP_RECEIVE,
166 HELP_RENAME,
167 HELP_ROLLBACK,
168 HELP_SEND,
169 HELP_SET,
170 HELP_SHARE,
171 HELP_SNAPSHOT,
172 HELP_UNMOUNT,
173 HELP_UNSHARE,
174 HELP_ALLOW,
9babb374
BB		 175 HELP_UNALLOW,
176 HELP_USERSPACE,
45d1cae3 177 HELP_GROUPSPACE,
9c5167d1
NF		 178 HELP_PROJECTSPACE,
179 HELP_PROJECT,
45d1cae3
BB		 180 HELP_HOLD,
181 HELP_HOLDS,
572e2857 182 HELP_RELEASE,
330d06f9 183 HELP_DIFF,
da536844 184 HELP_BOOKMARK,
d99a0153 185 HELP_CHANNEL_PROGRAM,
b5256303
TC		 186 HELP_LOAD_KEY,
187 HELP_UNLOAD_KEY,
188 HELP_CHANGE_KEY,
30af21b0
PD		 189 HELP_VERSION,
190 HELP_REDACT,
4bc72196 191 HELP_JAIL,
5a42ef04
PD		 192 HELP_UNJAIL,
193 HELP_WAIT,
4ed5e250
WA		 194 HELP_ZONE,
195 HELP_UNZONE,
34dc7c2f
BB		 196} zfs_help_t;
197
198typedef struct zfs_command {
199 const char *name;
200 int (*func)(int argc, char **argv);
201 zfs_help_t usage;
202} zfs_command_t;
203
204/*
205 * Master command table. Each ZFS command has a name, associated function, and
206 * usage message. The usage messages need to be internationalized, so we have
207 * to have a function to return the usage message based on a command index.
208 *
209 * These commands are organized according to how they are displayed in the usage
210 * message. An empty command (one with a NULL name) indicates an empty line in
211 * the generic usage message.
212 */
213static zfs_command_t command_table[] = {
50478c6d
T		 214 { "version", zfs_do_version, HELP_VERSION },
215 { NULL },
34dc7c2f
BB		 216 { "create", zfs_do_create, HELP_CREATE },
217 { "destroy", zfs_do_destroy, HELP_DESTROY },
218 { NULL },
219 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT },
220 { "rollback", zfs_do_rollback, HELP_ROLLBACK },
221 { "clone", zfs_do_clone, HELP_CLONE },
222 { "promote", zfs_do_promote, HELP_PROMOTE },
223 { "rename", zfs_do_rename, HELP_RENAME },
da536844 224 { "bookmark", zfs_do_bookmark, HELP_BOOKMARK },
d99a0153 225 { "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM },
34dc7c2f
BB		 226 { NULL },
227 { "list", zfs_do_list, HELP_LIST },
228 { NULL },
229 { "set", zfs_do_set, HELP_SET },
428870ff 230 { "get", zfs_do_get, HELP_GET },
34dc7c2f
BB		 231 { "inherit", zfs_do_inherit, HELP_INHERIT },
232 { "upgrade", zfs_do_upgrade, HELP_UPGRADE },
9c5167d1 233 { NULL },
9babb374
BB		 234 { "userspace", zfs_do_userspace, HELP_USERSPACE },
235 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE },
9c5167d1
NF		 236 { "projectspace", zfs_do_userspace, HELP_PROJECTSPACE },
237 { NULL },
238 { "project", zfs_do_project, HELP_PROJECT },
34dc7c2f
BB		 239 { NULL },
240 { "mount", zfs_do_mount, HELP_MOUNT },
241 { "unmount", zfs_do_unmount, HELP_UNMOUNT },
242 { "share", zfs_do_share, HELP_SHARE },
243 { "unshare", zfs_do_unshare, HELP_UNSHARE },
244 { NULL },
245 { "send", zfs_do_send, HELP_SEND },
246 { "receive", zfs_do_receive, HELP_RECEIVE },
247 { NULL },
0b7936d5 248 { "allow", zfs_do_allow, HELP_ALLOW },
34dc7c2f 249 { NULL },
0b7936d5 250 { "unallow", zfs_do_unallow, HELP_UNALLOW },
45d1cae3
BB		 251 { NULL },
252 { "hold", zfs_do_hold, HELP_HOLD },
0b7936d5 253 { "holds", zfs_do_holds, HELP_HOLDS },
45d1cae3 254 { "release", zfs_do_release, HELP_RELEASE },
572e2857 255 { "diff", zfs_do_diff, HELP_DIFF },
b5256303
TC		 256 { "load-key", zfs_do_load_key, HELP_LOAD_KEY },
257 { "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY },
258 { "change-key", zfs_do_change_key, HELP_CHANGE_KEY },
30af21b0 259 { "redact", zfs_do_redact, HELP_REDACT },
5a42ef04 260 { "wait", zfs_do_wait, HELP_WAIT },
4bc72196
MM		 261
262#ifdef __FreeBSD__
263 { "jail", zfs_do_jail, HELP_JAIL },
264 { "unjail", zfs_do_unjail, HELP_UNJAIL },
265#endif
4ed5e250
WA		 266
267#ifdef __linux__
268 { "zone", zfs_do_zone, HELP_ZONE },
269 { "unzone", zfs_do_unzone, HELP_UNZONE },
270#endif
34dc7c2f
BB		 271};
272
273#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
274
275zfs_command_t *current_command;
276
277static const char *
278get_usage(zfs_help_t idx)
279{
280 switch (idx) {
281 case HELP_CLONE:
b128c09f
BB		 282 return (gettext("\tclone [-p] [-o property=value] ... "
283 "<snapshot> <filesystem|volume>\n"));
34dc7c2f 284 case HELP_CREATE:
4b6e2a5a 285 return (gettext("\tcreate [-Pnpuv] [-o property=value] ... "
34dc7c2f 286 "<filesystem>\n"
d45d7f08 287 "\tcreate [-Pnpsv] [-b blocksize] [-o property=value] ... "
34dc7c2f
BB		 288 "-V <size> <volume>\n"));
289 case HELP_DESTROY:
330d06f9
MA		 290 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
291 "\tdestroy [-dnpRrv] "
da536844
MA		 292 "<filesystem|volume>@<snap>[%<snap>][,...]\n"
293 "\tdestroy <filesystem|volume>#<bookmark>\n"));
34dc7c2f 294 case HELP_GET:
9babb374 295 return (gettext("\tget [-rHp] [-d max] "
da536844
MA		 296 "[-o \"all\" | field[,...]]\n"
297 "\t [-t type[,...]] [-s source[,...]]\n"
34dc7c2f 298 "\t <\"all\" | property[,...]> "
aeacdefe 299 "[filesystem|volume|snapshot|bookmark] ...\n"));
34dc7c2f 300 case HELP_INHERIT:
428870ff 301 return (gettext("\tinherit [-rS] <property> "
b128c09f 302 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 303 case HELP_UPGRADE:
304 return (gettext("\tupgrade [-v]\n"
305 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
306 case HELP_LIST:
54d5378f
YP		 307 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] "
308 "[-s property]...\n\t [-S property]... [-t type[,...]] "
157c9b69 309 "[filesystem|volume|snapshot] ...\n"));
34dc7c2f
BB		 310 case HELP_MOUNT:
311 return (gettext("\tmount\n"
a100a195
US		 312 "\tmount [-flvO] [-o opts] <-a|-R filesystem|"
313 "filesystem>\n"));
34dc7c2f
BB		 314 case HELP_PROMOTE:
315 return (gettext("\tpromote <clone-filesystem>\n"));
316 case HELP_RECEIVE:
a57d3d45 317 return (gettext("\treceive [-vMnsFhu] "
a3eeab2d 318 "[-o <property>=<value>] ... [-x <property>] ...\n"
319 "\t <filesystem|volume|snapshot>\n"
a57d3d45 320 "\treceive [-vMnsFhu] [-o <property>=<value>] ... "
a3eeab2d 321 "[-x <property>] ... \n"
322 "\t [-d | -e] <filesystem>\n"
47dfff3b 323 "\treceive -A <filesystem|volume>\n"));
34dc7c2f 324 case HELP_RENAME:
db49968e 325 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
34dc7c2f 326 "<filesystem|volume|snapshot>\n"
7b4e2723
RM		 327 "\trename -p [-f] <filesystem|volume> <filesystem|volume>\n"
328 "\trename -u [-f] <filesystem> <filesystem>\n"
da536844 329 "\trename -r <snapshot> <snapshot>\n"));
34dc7c2f
BB		 330 case HELP_ROLLBACK:
331 return (gettext("\trollback [-rRf] <snapshot>\n"));
332 case HELP_SEND:
19d39615 333 return (gettext("\tsend [-DLPbcehnpsVvw] "
6625262c
AZ		 334 "[-i|-I snapshot]\n"
335 "\t [-R [-X dataset[,dataset]...]] <snapshot>\n"
19d39615 336 "\tsend [-DnVvPLecw] [-i snapshot|bookmark] "
47dfff3b 337 "<filesystem|volume|snapshot>\n"
19d39615 338 "\tsend [-DnPpVvLec] [-i bookmark|snapshot] "
30af21b0 339 "--redact <bookmark> <snapshot>\n"
19d39615
AH		 340 "\tsend [-nVvPe] -t <receive_resume_token>\n"
341 "\tsend [-PnVv] --saved filesystem\n"));
34dc7c2f 342 case HELP_SET:
4e16964e 343 return (gettext("\tset [-u] <property=value> ... "
b128c09f 344 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f 345 case HELP_SHARE:
b5256303 346 return (gettext("\tshare [-l] <-a [nfs|smb] | filesystem>\n"));
34dc7c2f 347 case HELP_SNAPSHOT:
63f88c12 348 return (gettext("\tsnapshot [-r] [-o property=value] ... "
da536844 349 "<filesystem|volume>@<snap> ...\n"));
34dc7c2f 350 case HELP_UNMOUNT:
765d1f06 351 return (gettext("\tunmount [-fu] "
34dc7c2f
BB		 352 "<-a | filesystem|mountpoint>\n"));
353 case HELP_UNSHARE:
45d1cae3 354 return (gettext("\tunshare "
2f71caf2 355 "<-a [nfs|smb] | filesystem|mountpoint>\n"));
34dc7c2f 356 case HELP_ALLOW:
9babb374
BB		 357 return (gettext("\tallow <filesystem|volume>\n"
358 "\tallow [-ldug] "
34dc7c2f
BB		 359 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
360 "\t <filesystem|volume>\n"
361 "\tallow [-ld] -e <perm|@setname>[,...] "
362 "<filesystem|volume>\n"
363 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
364 "\tallow -s @setname <perm|@setname>[,...] "
365 "<filesystem|volume>\n"));
366 case HELP_UNALLOW:
367 return (gettext("\tunallow [-rldug] "
368 "<\"everyone\"|user|group>[,...]\n"
369 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
370 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
371 "<filesystem|volume>\n"
372 "\tunallow [-r] -c [<perm|@setname>[,...]] "
373 "<filesystem|volume>\n"
374 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
375 "<filesystem|volume>\n"));
9babb374 376 case HELP_USERSPACE:
5990da81 377 return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
da536844
MA		 378 "[-s field] ...\n"
379 "\t [-S field] ... [-t type[,...]] "
cf266775 380 "<filesystem|snapshot|path>\n"));
9babb374 381 case HELP_GROUPSPACE:
5990da81 382 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
da536844
MA		 383 "[-s field] ...\n"
384 "\t [-S field] ... [-t type[,...]] "
cf266775 385 "<filesystem|snapshot|path>\n"));
9c5167d1
NF		 386 case HELP_PROJECTSPACE:
387 return (gettext("\tprojectspace [-Hp] [-o field[,...]] "
388 "[-s field] ... \n"
cf266775 389 "\t [-S field] ... <filesystem|snapshot|path>\n"));
9c5167d1
NF		 390 case HELP_PROJECT:
391 return (gettext("\tproject [-d|-r] <directory|file ...>\n"
392 "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n"
393 "\tproject -C [-k] [-r] <directory ...>\n"
394 "\tproject [-p id] [-r] [-s] <directory ...>\n"));
45d1cae3
BB		 395 case HELP_HOLD:
396 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
397 case HELP_HOLDS:
41715771 398 return (gettext("\tholds [-rHp] <snapshot> ...\n"));
45d1cae3
BB		 399 case HELP_RELEASE:
400 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
572e2857 401 case HELP_DIFF:
3069872e 402 return (gettext("\tdiff [-FHth] <snapshot> "
572e2857 403 "[snapshot|filesystem]\n"));
da536844 404 case HELP_BOOKMARK:
a73f361f
CS		 405 return (gettext("\tbookmark <snapshot|bookmark> "
406 "<newbookmark>\n"));
d99a0153 407 case HELP_CHANNEL_PROGRAM:
272b5d73 408 return (gettext("\tprogram [-jn] [-t <instruction limit>] "
c568ab8d
MA		 409 "[-m <memory limit (b)>]\n"
410 "\t <pool> <program file> [lua args...]\n"));
b5256303
TC		 411 case HELP_LOAD_KEY:
412 return (gettext("\tload-key [-rn] [-L <keylocation>] "
413 "<-a | filesystem|volume>\n"));
414 case HELP_UNLOAD_KEY:
415 return (gettext("\tunload-key [-r] "
416 "<-a | filesystem|volume>\n"));
417 case HELP_CHANGE_KEY:
ae76f45c 418 return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n"
abe4fbfd 419 "\t [-o keylocation=<value>] [-o pbkdf2iters=<value>]\n"
b5256303
TC		 420 "\t <filesystem|volume>\n"
421 "\tchange-key -i [-l] <filesystem|volume>\n"));
50478c6d
T		 422 case HELP_VERSION:
423 return (gettext("\tversion\n"));
30af21b0
PD		 424 case HELP_REDACT:
425 return (gettext("\tredact <snapshot> <bookmark> "
a33cb7e0 426 "<redaction_snapshot> ...\n"));
4bc72196
MM		 427 case HELP_JAIL:
428 return (gettext("\tjail <jailid|jailname> <filesystem>\n"));
429 case HELP_UNJAIL:
430 return (gettext("\tunjail <jailid|jailname> <filesystem>\n"));
5a42ef04
PD		 431 case HELP_WAIT:
432 return (gettext("\twait [-t <activity>] <filesystem>\n"));
4ed5e250
WA		 433 case HELP_ZONE:
434 return (gettext("\tzone <nsfile> <filesystem>\n"));
435 case HELP_UNZONE:
436 return (gettext("\tunzone <nsfile> <filesystem>\n"));
90f1c3c9
AZ		 437 default:
438 __builtin_unreachable();
34dc7c2f 439 }
34dc7c2f
BB		 440}
441
428870ff
BB		 442void
443nomem(void)
444{
445 (void) fprintf(stderr, gettext("internal error: out of memory\n"));
446 exit(1);
447}
448
34dc7c2f
BB		 449/*
450 * Utility function to guarantee malloc() success.
451 */
428870ff 452
34dc7c2f
BB		 453void *
454safe_malloc(size_t size)
455{
456 void *data;
457
428870ff
BB		 458 if ((data = calloc(1, size)) == NULL)
459 nomem();
34dc7c2f
BB		 460
461 return (data);
462}
463
65c7cc49 464static void *
d99a0153
CW		 465safe_realloc(void *data, size_t size)
466{
467 void *newp;
468 if ((newp = realloc(data, size)) == NULL) {
469 free(data);
470 nomem();
471 }
472
473 return (newp);
474}
475
428870ff 476static char *
a926aab9 477safe_strdup(const char *str)
428870ff
BB		 478{
479 char *dupstr = strdup(str);
480
481 if (dupstr == NULL)
482 nomem();
483
484 return (dupstr);
485}
486
34dc7c2f
BB		 487/*
488 * Callback routine that will print out information for each of
489 * the properties.
490 */
491static int
492usage_prop_cb(int prop, void *cb)
493{
494 FILE *fp = cb;
495
b128c09f 496 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
34dc7c2f 497
b128c09f
BB		 498 if (zfs_prop_readonly(prop))
499 (void) fprintf(fp, " NO ");
34dc7c2f 500 else
b128c09f 501 (void) fprintf(fp, "YES ");
34dc7c2f
BB		 502
503 if (zfs_prop_inheritable(prop))
504 (void) fprintf(fp, " YES ");
505 else
506 (void) fprintf(fp, " NO ");
507
84a3eab6 508 (void) fprintf(fp, "%s\n", zfs_prop_values(prop) ?: "-");
34dc7c2f
BB		 509
510 return (ZPROP_CONT);
511}
512
513/*
514 * Display usage message. If we're inside a command, display only the usage for
515 * that command. Otherwise, iterate over the entire command table and display
516 * a complete usage message.
517 */
460748d4 518static __attribute__((noreturn)) void
34dc7c2f
BB		 519usage(boolean_t requested)
520{
521 int i;
522 boolean_t show_properties = B_FALSE;
34dc7c2f
BB		 523 FILE *fp = requested ? stdout : stderr;
524
525 if (current_command == NULL) {
526
527 (void) fprintf(fp, gettext("usage: zfs command args ...\n"));
528 (void) fprintf(fp,
529 gettext("where 'command' is one of the following:\n\n"));
530
531 for (i = 0; i < NCOMMAND; i++) {
532 if (command_table[i].name == NULL)
533 (void) fprintf(fp, "\n");
534 else
535 (void) fprintf(fp, "%s",
536 get_usage(command_table[i].usage));
537 }
538
539 (void) fprintf(fp, gettext("\nEach dataset is of the form: "
540 "pool/[dataset/]*dataset[@name]\n"));
541 } else {
542 (void) fprintf(fp, gettext("usage:\n"));
543 (void) fprintf(fp, "%s", get_usage(current_command->usage));
544 }
545
546 if (current_command != NULL &&
547 (strcmp(current_command->name, "set") == 0 ||
548 strcmp(current_command->name, "get") == 0 ||
549 strcmp(current_command->name, "inherit") == 0 ||
550 strcmp(current_command->name, "list") == 0))
551 show_properties = B_TRUE;
552
34dc7c2f 553 if (show_properties) {
3c1e1933 554 (void) fprintf(fp, "%s",
34dc7c2f
BB		 555 gettext("\nThe following properties are supported:\n"));
556
557 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
558 "PROPERTY", "EDIT", "INHERIT", "VALUES");
559
560 /* Iterate over all properties */
561 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
562 ZFS_TYPE_DATASET);
563
9babb374
BB		 564 (void) fprintf(fp, "\t%-15s ", "userused@...");
565 (void) fprintf(fp, " NO NO <size>\n");
566 (void) fprintf(fp, "\t%-15s ", "groupused@...");
567 (void) fprintf(fp, " NO NO <size>\n");
9c5167d1
NF		 568 (void) fprintf(fp, "\t%-15s ", "projectused@...");
569 (void) fprintf(fp, " NO NO <size>\n");
570 (void) fprintf(fp, "\t%-15s ", "userobjused@...");
571 (void) fprintf(fp, " NO NO <size>\n");
572 (void) fprintf(fp, "\t%-15s ", "groupobjused@...");
573 (void) fprintf(fp, " NO NO <size>\n");
574 (void) fprintf(fp, "\t%-15s ", "projectobjused@...");
575 (void) fprintf(fp, " NO NO <size>\n");
9babb374
BB		 576 (void) fprintf(fp, "\t%-15s ", "userquota@...");
577 (void) fprintf(fp, "YES NO <size> | none\n");
578 (void) fprintf(fp, "\t%-15s ", "groupquota@...");
579 (void) fprintf(fp, "YES NO <size> | none\n");
9c5167d1
NF		 580 (void) fprintf(fp, "\t%-15s ", "projectquota@...");
581 (void) fprintf(fp, "YES NO <size> | none\n");
582 (void) fprintf(fp, "\t%-15s ", "userobjquota@...");
583 (void) fprintf(fp, "YES NO <size> | none\n");
584 (void) fprintf(fp, "\t%-15s ", "groupobjquota@...");
585 (void) fprintf(fp, "YES NO <size> | none\n");
586 (void) fprintf(fp, "\t%-15s ", "projectobjquota@...");
587 (void) fprintf(fp, "YES NO <size> | none\n");
330d06f9
MA		 588 (void) fprintf(fp, "\t%-15s ", "written@<snap>");
589 (void) fprintf(fp, " NO NO <size>\n");
30af21b0
PD		 590 (void) fprintf(fp, "\t%-15s ", "written#<bookmark>");
591 (void) fprintf(fp, " NO NO <size>\n");
9babb374 592
34dc7c2f
BB		 593 (void) fprintf(fp, gettext("\nSizes are specified in bytes "
594 "with standard units such as K, M, G, etc.\n"));
63652e15
DS		 595 (void) fprintf(fp, "%s", gettext("\nUser-defined properties "
596 "can be specified by using a name containing a colon "
597 "(:).\n"));
9c5167d1
NF		 598 (void) fprintf(fp, gettext("\nThe {user|group|project}"
599 "[obj]{used|quota}@ properties must be appended with\n"
600 "a user|group|project specifier of one of these forms:\n"
9babb374
BB		 601 " POSIX name (eg: \"matt\")\n"
602 " POSIX id (eg: \"126829\")\n"
603 " SMB name@domain (eg: \"matt@sun\")\n"
604 " SMB SID (eg: \"S-1-234-567-89\")\n"));
34dc7c2f 605 } else {
34dc7c2f 606 (void) fprintf(fp,
fb5f0bc8
BB		 607 gettext("\nFor the property list, run: %s\n"),
608 "zfs set|get");
34dc7c2f 609 (void) fprintf(fp,
fb5f0bc8
BB		 610 gettext("\nFor the delegated permission list, run: %s\n"),
611 "zfs allow|unallow");
7228ba11
RN		 612 (void) fprintf(fp,
613 gettext("\nFor further help on a command or topic, "
614 "run: %s\n"), "zfs help [<topic>]");
34dc7c2f
BB		 615 }
616
617 /*
618 * See comments at end of main().
619 */
620 if (getenv("ZFS_ABORT") != NULL) {
621 (void) printf("dumping core by request\n");
622 abort();
623 }
624
625 exit(requested ? 0 : 2);
626}
627
23de906c
CW		 628/*
629 * Take a property=value argument string and add it to the given nvlist.
630 * Modifies the argument inplace.
631 */
a3eeab2d 632static boolean_t
23de906c 633parseprop(nvlist_t *props, char *propname)
b128c09f 634{
a3eeab2d 635 char *propval;
b128c09f
BB		 636
637 if ((propval = strchr(propname, '=')) == NULL) {
638 (void) fprintf(stderr, gettext("missing "
23de906c 639 "'=' for property=value argument\n"));
a3eeab2d 640 return (B_FALSE);
b128c09f
BB		 641 }
642 *propval = '\0';
643 propval++;
a3eeab2d 644 if (nvlist_exists(props, propname)) {
b128c09f
BB		 645 (void) fprintf(stderr, gettext("property '%s' "
646 "specified multiple times\n"), propname);
a3eeab2d 647 return (B_FALSE);
b128c09f 648 }
428870ff
BB		 649 if (nvlist_add_string(props, propname, propval) != 0)
650 nomem();
a3eeab2d 651 return (B_TRUE);
652}
653
654/*
655 * Take a property name argument and add it to the given nvlist.
656 * Modifies the argument inplace.
657 */
658static boolean_t
659parsepropname(nvlist_t *props, char *propname)
660{
661 if (strchr(propname, '=') != NULL) {
662 (void) fprintf(stderr, gettext("invalid character "
663 "'=' in property argument\n"));
664 return (B_FALSE);
665 }
666 if (nvlist_exists(props, propname)) {
667 (void) fprintf(stderr, gettext("property '%s' "
668 "specified multiple times\n"), propname);
669 return (B_FALSE);
670 }
671 if (nvlist_add_boolean(props, propname) != 0)
672 nomem();
673 return (B_TRUE);
b128c09f
BB		 674}
675
9babb374
BB		 676static int
677parse_depth(char *opt, int *flags)
678{
679 char *tmp;
680 int depth;
681
682 depth = (int)strtol(opt, &tmp, 0);
683 if (*tmp) {
684 (void) fprintf(stderr,
685 gettext("%s is not an integer\n"), optarg);
686 usage(B_FALSE);
687 }
688 if (depth < 0) {
689 (void) fprintf(stderr,
690 gettext("Depth can not be negative.\n"));
691 usage(B_FALSE);
692 }
693 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
694 return (depth);
695}
696
428870ff
BB		 697#define PROGRESS_DELAY 2 /* seconds */
698
a926aab9
AZ		 699static const char *pt_reverse =
700 "\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		 701static time_t pt_begin;
702static char *pt_header = NULL;
703static boolean_t pt_shown;
704
705static void
706start_progress_timer(void)
707{
708 pt_begin = time(NULL) + PROGRESS_DELAY;
709 pt_shown = B_FALSE;
710}
711
712static void
a926aab9 713set_progress_header(const char *header)
428870ff
BB		 714{
715 assert(pt_header == NULL);
716 pt_header = safe_strdup(header);
717 if (pt_shown) {
718 (void) printf("%s: ", header);
719 (void) fflush(stdout);
720 }
721}
722
723static void
a926aab9 724update_progress(const char *update)
428870ff
BB		 725{
726 if (!pt_shown && time(NULL) > pt_begin) {
727 int len = strlen(update);
728
729 (void) printf("%s: %s%*.*s", pt_header, update, len, len,
730 pt_reverse);
731 (void) fflush(stdout);
732 pt_shown = B_TRUE;
733 } else if (pt_shown) {
734 int len = strlen(update);
735
736 (void) printf("%s%*.*s", update, len, len, pt_reverse);
737 (void) fflush(stdout);
738 }
739}
740
741static void
a926aab9 742finish_progress(const char *done)
428870ff
BB		 743{
744 if (pt_shown) {
a926aab9 745 (void) puts(done);
428870ff
BB		 746 (void) fflush(stdout);
747 }
748 free(pt_header);
749 pt_header = NULL;
750}
d603ed6c 751
5d6a4603
BB		 752static int
753zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type)
754{
755 zfs_handle_t *zhp = NULL;
756 int ret = 0;
757
758 zhp = zfs_open(hdl, dataset, type);
759 if (zhp == NULL)
760 return (1);
761
762 /*
763 * Volumes may neither be mounted or shared. Potentially in the
764 * future filesystems detected on these volumes could be mounted.
765 */
766 if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) {
767 zfs_close(zhp);
768 return (0);
769 }
770
771 /*
772 * Mount and/or share the new filesystem as appropriate. We provide a
773 * verbose error message to let the user know that their filesystem was
774 * in fact created, even if we failed to mount or share it.
775 *
776 * If the user doesn't want the dataset automatically mounted, then
777 * skip the mount/share step
778 */
779 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) &&
780 zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) {
4bc72196 781 if (zfs_mount_delegation_check()) {
f74b821a
BB		 782 (void) fprintf(stderr, gettext("filesystem "
783 "successfully created, but it may only be "
784 "mounted by root\n"));
785 ret = 1;
786 } else if (zfs_mount(zhp, NULL, 0) != 0) {
5d6a4603
BB		 787 (void) fprintf(stderr, gettext("filesystem "
788 "successfully created, but not mounted\n"));
789 ret = 1;
b4d9a82f 790 } else if (zfs_share(zhp, NULL) != 0) {
5d6a4603
BB		 791 (void) fprintf(stderr, gettext("filesystem "
792 "successfully created, but not shared\n"));
793 ret = 1;
794 }
b4d9a82f 795 zfs_commit_shares(NULL);
5d6a4603
BB		 796 }
797
798 zfs_close(zhp);
799
800 return (ret);
801}
802
34dc7c2f 803/*
b128c09f 804 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
34dc7c2f
BB		 805 *
806 * Given an existing dataset, create a writable copy whose initial contents
807 * are the same as the source. The newly created dataset maintains a
808 * dependency on the original; the original cannot be destroyed so long as
809 * the clone exists.
810 *
811 * The '-p' flag creates all the non-existing ancestors of the target first.
812 */
813static int
814zfs_do_clone(int argc, char **argv)
815{
b128c09f 816 zfs_handle_t *zhp = NULL;
34dc7c2f 817 boolean_t parents = B_FALSE;
b128c09f 818 nvlist_t *props;
ad60af8e 819 int ret = 0;
34dc7c2f
BB		 820 int c;
821
428870ff
BB		 822 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
823 nomem();
b128c09f 824
34dc7c2f 825 /* check options */
b128c09f 826 while ((c = getopt(argc, argv, "o:p")) != -1) {
34dc7c2f 827 switch (c) {
b128c09f 828 case 'o':
a3eeab2d 829 if (!parseprop(props, optarg)) {
a425f5bf 830 nvlist_free(props);
b128c09f 831 return (1);
a425f5bf 832 }
b128c09f 833 break;
34dc7c2f
BB		 834 case 'p':
835 parents = B_TRUE;
836 break;
837 case '?':
838 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
839 optopt);
b128c09f 840 goto usage;
34dc7c2f
BB		 841 }
842 }
843
844 argc -= optind;
845 argv += optind;
846
847 /* check number of arguments */
848 if (argc < 1) {
849 (void) fprintf(stderr, gettext("missing source dataset "
850 "argument\n"));
b128c09f 851 goto usage;
34dc7c2f
BB		 852 }
853 if (argc < 2) {
854 (void) fprintf(stderr, gettext("missing target dataset "
855 "argument\n"));
b128c09f 856 goto usage;
34dc7c2f
BB		 857 }
858 if (argc > 2) {
859 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 860 goto usage;
34dc7c2f
BB		 861 }
862
863 /* open the source dataset */
a425f5bf 864 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) {
865 nvlist_free(props);
34dc7c2f 866 return (1);
a425f5bf 867 }
34dc7c2f
BB		 868
869 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
870 ZFS_TYPE_VOLUME)) {
871 /*
872 * Now create the ancestors of the target dataset. If the
873 * target already exists and '-p' option was used we should not
874 * complain.
875 */
876 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
a425f5bf 877 ZFS_TYPE_VOLUME)) {
878 zfs_close(zhp);
879 nvlist_free(props);
34dc7c2f 880 return (0);
a425f5bf 881 }
882 if (zfs_create_ancestors(g_zfs, argv[1]) != 0) {
883 zfs_close(zhp);
884 nvlist_free(props);
34dc7c2f 885 return (1);
a425f5bf 886 }
34dc7c2f
BB		 887 }
888
889 /* pass to libzfs */
b128c09f 890 ret = zfs_clone(zhp, argv[1], props);
34dc7c2f
BB		 891
892 /* create the mountpoint if necessary */
893 if (ret == 0) {
fb8e608d
TC		 894 if (log_history) {
895 (void) zpool_log_history(g_zfs, history_str);
896 log_history = B_FALSE;
897 }
898
5d6a4603 899 ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET);
34dc7c2f
BB		 900 }
901
902 zfs_close(zhp);
b128c09f 903 nvlist_free(props);
34dc7c2f 904
b128c09f
BB		 905 return (!!ret);
906
907usage:
ced28193 908 ASSERT3P(zhp, ==, NULL);
b128c09f
BB		 909 nvlist_free(props);
910 usage(B_FALSE);
911 return (-1);
34dc7c2f
BB		 912}
913
b2255edc
BB		 914/*
915 * Return a default volblocksize for the pool which always uses more than
916 * half of the data sectors. This primarily applies to dRAID which always
917 * writes full stripe widths.
918 */
919static uint64_t
920default_volblocksize(zpool_handle_t *zhp, nvlist_t *props)
921{
922 uint64_t volblocksize, asize = SPA_MINBLOCKSIZE;
923 nvlist_t *tree, **vdevs;
924 uint_t nvdevs;
925
926 nvlist_t *config = zpool_get_config(zhp, NULL);
927
928 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) != 0 ||
929 nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN,
930 &vdevs, &nvdevs) != 0) {
931 return (ZVOL_DEFAULT_BLOCKSIZE);
932 }
933
934 for (int i = 0; i < nvdevs; i++) {
935 nvlist_t *nv = vdevs[i];
936 uint64_t ashift, ndata, nparity;
937
938 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ASHIFT, &ashift) != 0)
939 continue;
940
941 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DRAID_NDATA,
942 &ndata) == 0) {
943 /* dRAID minimum allocation width */
944 asize = MAX(asize, ndata * (1ULL << ashift));
945 } else if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
946 &nparity) == 0) {
947 /* raidz minimum allocation width */
948 if (nparity == 1)
949 asize = MAX(asize, 2 * (1ULL << ashift));
950 else
951 asize = MAX(asize, 4 * (1ULL << ashift));
952 } else {
953 /* mirror or (non-redundant) leaf vdev */
954 asize = MAX(asize, 1ULL << ashift);
955 }
956 }
957
958 /*
959 * Calculate the target volblocksize such that more than half
960 * of the asize is used. The following table is for 4k sectors.
961 *
962 * n asize blksz used | n asize blksz used
963 * -------------------------+---------------------------------
964 * 1 4,096 8,192 100% | 9 36,864 32,768 88%
965 * 2 8,192 8,192 100% | 10 40,960 32,768 80%
966 * 3 12,288 8,192 66% | 11 45,056 32,768 72%
967 * 4 16,384 16,384 100% | 12 49,152 32,768 66%
968 * 5 20,480 16,384 80% | 13 53,248 32,768 61%
969 * 6 24,576 16,384 66% | 14 57,344 32,768 57%
970 * 7 28,672 16,384 57% | 15 61,440 32,768 53%
971 * 8 32,768 32,768 100% | 16 65,536 65,636 100%
972 *
973 * This is primarily a concern for dRAID which always allocates
974 * a full stripe width. For dRAID the default stripe width is
975 * n=8 in which case the volblocksize is set to 32k. Ignoring
976 * compression there are no unused sectors. This same reasoning
977 * applies to raidz[2,3] so target 4 sectors to minimize waste.
978 */
979 uint64_t tgt_volblocksize = ZVOL_DEFAULT_BLOCKSIZE;
980 while (tgt_volblocksize * 2 <= asize)
981 tgt_volblocksize *= 2;
982
983 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
984 if (nvlist_lookup_uint64(props, prop, &volblocksize) == 0) {
985
986 /* Issue a warning when a non-optimal size is requested. */
987 if (volblocksize < ZVOL_DEFAULT_BLOCKSIZE) {
988 (void) fprintf(stderr, gettext("Warning: "
989 "volblocksize (%llu) is less than the default "
990 "minimum block size (%llu).\nTo reduce wasted "
991 "space a volblocksize of %llu is recommended.\n"),
992 (u_longlong_t)volblocksize,
993 (u_longlong_t)ZVOL_DEFAULT_BLOCKSIZE,
994 (u_longlong_t)tgt_volblocksize);
995 } else if (volblocksize < tgt_volblocksize) {
996 (void) fprintf(stderr, gettext("Warning: "
997 "volblocksize (%llu) is much less than the "
998 "minimum allocation\nunit (%llu), which wastes "
999 "at least %llu%% of space. To reduce wasted "
1000 "space,\nuse a larger volblocksize (%llu is "
1001 "recommended), fewer dRAID data disks\n"
1002 "per group, or smaller sector size (ashift).\n"),
1003 (u_longlong_t)volblocksize, (u_longlong_t)asize,
1004 (u_longlong_t)((100 * (asize - volblocksize)) /
1005 asize), (u_longlong_t)tgt_volblocksize);
1006 }
1007 } else {
1008 volblocksize = tgt_volblocksize;
1009 fnvlist_add_uint64(props, prop, volblocksize);
1010 }
1011
1012 return (volblocksize);
1013}
1014
34dc7c2f 1015/*
d45d7f08
MG		 1016 * zfs create [-Pnpv] [-o prop=value] ... fs
1017 * zfs create [-Pnpsv] [-b blocksize] [-o prop=value] ... -V vol size
34dc7c2f
BB		 1018 *
1019 * Create a new dataset. This command can be used to create filesystems
1020 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
1021 * For volumes, the user must specify a size to be used.
1022 *
1023 * The '-s' flag applies only to volumes, and indicates that we should not try
1024 * to set the reservation for this volume. By default we set a reservation
1025 * equal to the size for any volume. For pools with SPA_VERSION >=
1026 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
1027 *
1028 * The '-p' flag creates all the non-existing ancestors of the target first.
d45d7f08
MG		 1029 *
1030 * The '-n' flag is no-op (dry run) mode. This will perform a user-space sanity
1031 * check of arguments and properties, but does not check for permissions,
1032 * available space, etc.
1033 *
4b6e2a5a
RM		 1034 * The '-u' flag prevents the newly created file system from being mounted.
1035 *
d45d7f08
MG		 1036 * The '-v' flag is for verbose output.
1037 *
1038 * The '-P' flag is used for parseable output. It implies '-v'.
34dc7c2f
BB		 1039 */
1040static int
1041zfs_do_create(int argc, char **argv)
1042{
1043 zfs_type_t type = ZFS_TYPE_FILESYSTEM;
d45d7f08
MG		 1044 zpool_handle_t *zpool_handle = NULL;
1045 nvlist_t *real_props = NULL;
d4ed6673 1046 uint64_t volsize = 0;
34dc7c2f
BB		 1047 int c;
1048 boolean_t noreserve = B_FALSE;
1049 boolean_t bflag = B_FALSE;
1050 boolean_t parents = B_FALSE;
d45d7f08 1051 boolean_t dryrun = B_FALSE;
4b6e2a5a 1052 boolean_t nomount = B_FALSE;
d45d7f08
MG		 1053 boolean_t verbose = B_FALSE;
1054 boolean_t parseable = B_FALSE;
34dc7c2f 1055 int ret = 1;
b128c09f 1056 nvlist_t *props;
34dc7c2f 1057 uint64_t intval;
d1807f16 1058 const char *strval;
34dc7c2f 1059
428870ff
BB		 1060 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
1061 nomem();
34dc7c2f
BB		 1062
1063 /* check options */
4b6e2a5a 1064 while ((c = getopt(argc, argv, ":PV:b:nso:puv")) != -1) {
34dc7c2f
BB		 1065 switch (c) {
1066 case 'V':
1067 type = ZFS_TYPE_VOLUME;
1068 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
1069 (void) fprintf(stderr, gettext("bad volume "
1070 "size '%s': %s\n"), optarg,
1071 libzfs_error_description(g_zfs));
1072 goto error;
1073 }
1074
1075 if (nvlist_add_uint64(props,
428870ff
BB		 1076 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
1077 nomem();
34dc7c2f
BB		 1078 volsize = intval;
1079 break;
d45d7f08
MG		 1080 case 'P':
1081 verbose = B_TRUE;
1082 parseable = B_TRUE;
1083 break;
34dc7c2f
BB		 1084 case 'p':
1085 parents = B_TRUE;
1086 break;
1087 case 'b':
1088 bflag = B_TRUE;
1089 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
1090 (void) fprintf(stderr, gettext("bad volume "
1091 "block size '%s': %s\n"), optarg,
1092 libzfs_error_description(g_zfs));
1093 goto error;
1094 }
1095
1096 if (nvlist_add_uint64(props,
1097 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
428870ff
BB		 1098 intval) != 0)
1099 nomem();
34dc7c2f 1100 break;
d45d7f08
MG		 1101 case 'n':
1102 dryrun = B_TRUE;
1103 break;
34dc7c2f 1104 case 'o':
a3eeab2d 1105 if (!parseprop(props, optarg))
34dc7c2f 1106 goto error;
34dc7c2f
BB		 1107 break;
1108 case 's':
1109 noreserve = B_TRUE;
1110 break;
4b6e2a5a
RM		 1111 case 'u':
1112 nomount = B_TRUE;
1113 break;
d45d7f08
MG		 1114 case 'v':
1115 verbose = B_TRUE;
1116 break;
34dc7c2f
BB		 1117 case ':':
1118 (void) fprintf(stderr, gettext("missing size "
1119 "argument\n"));
1120 goto badusage;
34dc7c2f
BB		 1121 case '?':
1122 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1123 optopt);
1124 goto badusage;
1125 }
1126 }
1127
1128 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
1129 (void) fprintf(stderr, gettext("'-s' and '-b' can only be "
1130 "used when creating a volume\n"));
1131 goto badusage;
1132 }
4b6e2a5a
RM		 1133 if (nomount && type != ZFS_TYPE_FILESYSTEM) {
1134 (void) fprintf(stderr, gettext("'-u' can only be "
1135 "used when creating a filesystem\n"));
1136 goto badusage;
1137 }
34dc7c2f
BB		 1138
1139 argc -= optind;
1140 argv += optind;
1141
1142 /* check number of arguments */
1143 if (argc == 0) {
1144 (void) fprintf(stderr, gettext("missing %s argument\n"),
1145 zfs_type_to_name(type));
1146 goto badusage;
1147 }
1148 if (argc > 1) {
1149 (void) fprintf(stderr, gettext("too many arguments\n"));
1150 goto badusage;
1151 }
1152
b2255edc 1153 if (dryrun || type == ZFS_TYPE_VOLUME) {
d45d7f08 1154 char msg[ZFS_MAX_DATASET_NAME_LEN * 2];
34dc7c2f 1155 char *p;
34dc7c2f 1156
648a09ad 1157 if ((p = strchr(argv[0], '/')) != NULL)
34dc7c2f
BB		 1158 *p = '\0';
1159 zpool_handle = zpool_open(g_zfs, argv[0]);
1160 if (p != NULL)
1161 *p = '/';
1162 if (zpool_handle == NULL)
1163 goto error;
59d4c71c
GW		 1164
1165 (void) snprintf(msg, sizeof (msg),
d45d7f08 1166 dryrun ? gettext("cannot verify '%s'") :
59d4c71c
GW		 1167 gettext("cannot create '%s'"), argv[0]);
1168 if (props && (real_props = zfs_valid_proplist(g_zfs, type,
b5256303 1169 props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) {
82f6f6e6 1170 zpool_close(zpool_handle);
59d4c71c 1171 goto error;
82f6f6e6 1172 }
d45d7f08
MG		 1173 }
1174
47c9299f 1175 if (type == ZFS_TYPE_VOLUME) {
b2255edc
BB		 1176 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
1177 uint64_t volblocksize = default_volblocksize(zpool_handle,
1178 real_props);
47c9299f 1179
b2255edc
BB		 1180 if (volblocksize != ZVOL_DEFAULT_BLOCKSIZE &&
1181 nvlist_lookup_string(props, prop, &strval) != 0) {
d1807f16
RY		 1182 char *tmp;
1183 if (asprintf(&tmp, "%llu",
b2255edc
BB		 1184 (u_longlong_t)volblocksize) == -1)
1185 nomem();
d1807f16
RY		 1186 nvlist_add_string(props, prop, tmp);
1187 free(tmp);
b2255edc 1188 }
47c9299f 1189
b2255edc
BB		 1190 /*
1191 * If volsize is not a multiple of volblocksize, round it
1192 * up to the nearest multiple of the volblocksize.
1193 */
47c9299f
AJ		 1194 if (volsize % volblocksize) {
1195 volsize = P2ROUNDUP_TYPED(volsize, volblocksize,
1196 uint64_t);
1197
1198 if (nvlist_add_uint64(props,
1199 zfs_prop_to_name(ZFS_PROP_VOLSIZE), volsize) != 0) {
1200 nvlist_free(props);
1201 nomem();
1202 }
1203 }
1204 }
1205
d45d7f08
MG		 1206 if (type == ZFS_TYPE_VOLUME && !noreserve) {
1207 uint64_t spa_version;
1208 zfs_prop_t resv_prop;
d45d7f08
MG		 1209
1210 spa_version = zpool_get_prop_int(zpool_handle,
1211 ZPOOL_PROP_VERSION, NULL);
1212 if (spa_version >= SPA_VERSION_REFRESERVATION)
1213 resv_prop = ZFS_PROP_REFRESERVATION;
1214 else
1215 resv_prop = ZFS_PROP_RESERVATION;
59d4c71c 1216
341166c8
MG		 1217 volsize = zvol_volsize_to_reservation(zpool_handle, volsize,
1218 real_props);
34dc7c2f
BB		 1219
1220 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
1221 &strval) != 0) {
1222 if (nvlist_add_uint64(props,
1223 zfs_prop_to_name(resv_prop), volsize) != 0) {
34dc7c2f 1224 nvlist_free(props);
428870ff 1225 nomem();
34dc7c2f
BB		 1226 }
1227 }
1228 }
d45d7f08
MG		 1229 if (zpool_handle != NULL) {
1230 zpool_close(zpool_handle);
1231 nvlist_free(real_props);
1232 }
34dc7c2f
BB		 1233
1234 if (parents && zfs_name_valid(argv[0], type)) {
1235 /*
1236 * Now create the ancestors of target dataset. If the target
1237 * already exists and '-p' option was used we should not
1238 * complain.
1239 */
1240 if (zfs_dataset_exists(g_zfs, argv[0], type)) {
1241 ret = 0;
1242 goto error;
1243 }
d45d7f08
MG		 1244 if (verbose) {
1245 (void) printf(parseable ? "create_ancestors\t%s\n" :
1246 dryrun ? "would create ancestors of %s\n" :
1247 "create ancestors of %s\n", argv[0]);
1248 }
1249 if (!dryrun) {
1250 if (zfs_create_ancestors(g_zfs, argv[0]) != 0) {
1251 goto error;
1252 }
1253 }
1254 }
1255
1256 if (verbose) {
1257 nvpair_t *nvp = NULL;
1258 (void) printf(parseable ? "create\t%s\n" :
1259 dryrun ? "would create %s\n" : "create %s\n", argv[0]);
1260 while ((nvp = nvlist_next_nvpair(props, nvp)) != NULL) {
1261 uint64_t uval;
d1807f16 1262 const char *sval;
d45d7f08
MG		 1263
1264 switch (nvpair_type(nvp)) {
1265 case DATA_TYPE_UINT64:
1266 VERIFY0(nvpair_value_uint64(nvp, &uval));
1267 (void) printf(parseable ?
1268 "property\t%s\t%llu\n" : "\t%s=%llu\n",
1269 nvpair_name(nvp), (u_longlong_t)uval);
1270 break;
1271 case DATA_TYPE_STRING:
1272 VERIFY0(nvpair_value_string(nvp, &sval));
1273 (void) printf(parseable ?
1274 "property\t%s\t%s\n" : "\t%s=%s\n",
1275 nvpair_name(nvp), sval);
1276 break;
1277 default:
1278 (void) fprintf(stderr, "property '%s' "
1279 "has illegal type %d\n",
1280 nvpair_name(nvp), nvpair_type(nvp));
1281 abort();
1282 }
1283 }
1284 }
1285 if (dryrun) {
1286 ret = 0;
1287 goto error;
34dc7c2f
BB		 1288 }
1289
1290 /* pass to libzfs */
1291 if (zfs_create(g_zfs, argv[0], type, props) != 0)
1292 goto error;
1293
fb8e608d
TC		 1294 if (log_history) {
1295 (void) zpool_log_history(g_zfs, history_str);
1296 log_history = B_FALSE;
1297 }
1298
4b6e2a5a
RM		 1299 if (nomount) {
1300 ret = 0;
1301 goto error;
1302 }
1303
5d6a4603 1304 ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET);
34dc7c2f 1305error:
34dc7c2f
BB		 1306 nvlist_free(props);
1307 return (ret);
1308badusage:
1309 nvlist_free(props);
1310 usage(B_FALSE);
1311 return (2);
1312}
1313
1314/*
428870ff
BB		 1315 * zfs destroy [-rRf] <fs, vol>
1316 * zfs destroy [-rRd] <snap>
34dc7c2f 1317 *
428870ff
BB		 1318 * -r Recursively destroy all children
1319 * -R Recursively destroy all dependents, including clones
1320 * -f Force unmounting of any dependents
45d1cae3 1321 * -d If we can't destroy now, mark for deferred destruction
34dc7c2f
BB		 1322 *
1323 * Destroys the given dataset. By default, it will unmount any filesystems,
1324 * and refuse to destroy a dataset that has any dependents. A dependent can
1325 * either be a child, or a clone of a child.
1326 */
1327typedef struct destroy_cbdata {
1328 boolean_t cb_first;
330d06f9
MA		 1329 boolean_t cb_force;
1330 boolean_t cb_recurse;
1331 boolean_t cb_error;
1332 boolean_t cb_doclones;
34dc7c2f 1333 zfs_handle_t *cb_target;
45d1cae3 1334 boolean_t cb_defer_destroy;
330d06f9
MA		 1335 boolean_t cb_verbose;
1336 boolean_t cb_parsable;
1337 boolean_t cb_dryrun;
1338 nvlist_t *cb_nvl;
13fe0198 1339 nvlist_t *cb_batchedsnaps;
330d06f9
MA		 1340
1341 /* first snap in contiguous run */
6f1ffb06 1342 char *cb_firstsnap;
330d06f9 1343 /* previous snap in contiguous run */
6f1ffb06 1344 char *cb_prevsnap;
330d06f9
MA		 1345 int64_t cb_snapused;
1346 char *cb_snapspec;
da536844 1347 char *cb_bookmark;
83362e8e 1348 uint64_t cb_snap_count;
34dc7c2f
BB		 1349} destroy_cbdata_t;
1350
1351/*
1352 * Check for any dependents based on the '-r' or '-R' flags.
1353 */
1354static int
1355destroy_check_dependent(zfs_handle_t *zhp, void *data)
1356{
1357 destroy_cbdata_t *cbp = data;
1358 const char *tname = zfs_get_name(cbp->cb_target);
1359 const char *name = zfs_get_name(zhp);
1360
1361 if (strncmp(tname, name, strlen(tname)) == 0 &&
1362 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
1363 /*
1364 * This is a direct descendant, not a clone somewhere else in
1365 * the hierarchy.
1366 */
1367 if (cbp->cb_recurse)
1368 goto out;
1369
1370 if (cbp->cb_first) {
1371 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1372 "%s has children\n"),
1373 zfs_get_name(cbp->cb_target),
1374 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1375 (void) fprintf(stderr, gettext("use '-r' to destroy "
1376 "the following datasets:\n"));
1377 cbp->cb_first = B_FALSE;
330d06f9 1378 cbp->cb_error = B_TRUE;
34dc7c2f
BB		 1379 }
1380
1381 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1382 } else {
1383 /*
1384 * This is a clone. We only want to report this if the '-r'
1385 * wasn't specified, or the target is a snapshot.
1386 */
1387 if (!cbp->cb_recurse &&
1388 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
1389 goto out;
1390
1391 if (cbp->cb_first) {
1392 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1393 "%s has dependent clones\n"),
1394 zfs_get_name(cbp->cb_target),
1395 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1396 (void) fprintf(stderr, gettext("use '-R' to destroy "
1397 "the following datasets:\n"));
1398 cbp->cb_first = B_FALSE;
330d06f9
MA		 1399 cbp->cb_error = B_TRUE;
1400 cbp->cb_dryrun = B_TRUE;
34dc7c2f
BB		 1401 }
1402
1403 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1404 }
1405
1406out:
1407 zfs_close(zhp);
1408 return (0);
1409}
1410
83362e8e
PZ		 1411static int
1412destroy_batched(destroy_cbdata_t *cb)
1413{
1414 int error = zfs_destroy_snaps_nvl(g_zfs,
1415 cb->cb_batchedsnaps, B_FALSE);
1416 fnvlist_free(cb->cb_batchedsnaps);
1417 cb->cb_batchedsnaps = fnvlist_alloc();
1418 return (error);
1419}
1420
34dc7c2f
BB		 1421static int
1422destroy_callback(zfs_handle_t *zhp, void *data)
1423{
330d06f9
MA		 1424 destroy_cbdata_t *cb = data;
1425 const char *name = zfs_get_name(zhp);
83362e8e 1426 int error;
330d06f9
MA		 1427
1428 if (cb->cb_verbose) {
1429 if (cb->cb_parsable) {
1430 (void) printf("destroy\t%s\n", name);
1431 } else if (cb->cb_dryrun) {
1432 (void) printf(gettext("would destroy %s\n"),
1433 name);
1434 } else {
1435 (void) printf(gettext("will destroy %s\n"),
1436 name);
1437 }
1438 }
34dc7c2f
BB		 1439
1440 /*
1441 * Ignore pools (which we've already flagged as an error before getting
428870ff 1442 * here).
34dc7c2f
BB		 1443 */
1444 if (strchr(zfs_get_name(zhp), '/') == NULL &&
1445 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1446 zfs_close(zhp);
1447 return (0);
1448 }
13fe0198
MA		 1449 if (cb->cb_dryrun) {
1450 zfs_close(zhp);
1451 return (0);
1452 }
1453
1454 /*
1455 * We batch up all contiguous snapshots (even of different
1456 * filesystems) and destroy them with one ioctl. We can't
1457 * simply do all snap deletions and then all fs deletions,
1458 * because we must delete a clone before its origin.
1459 */
1460 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
83362e8e 1461 cb->cb_snap_count++;
13fe0198 1462 fnvlist_add_boolean(cb->cb_batchedsnaps, name);
6a42939f 1463 if (cb->cb_snap_count % 10 == 0 && cb->cb_defer_destroy) {
83362e8e 1464 error = destroy_batched(cb);
6a42939f
RY		 1465 if (error != 0) {
1466 zfs_close(zhp);
1467 return (-1);
1468 }
1469 }
13fe0198 1470 } else {
83362e8e 1471 error = destroy_batched(cb);
13fe0198
MA		 1472 if (error != 0 ||
1473 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
330d06f9
MA		 1474 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
1475 zfs_close(zhp);
6969afce
AP		 1476 /*
1477 * When performing a recursive destroy we ignore errors
1478 * so that the recursive destroy could continue
1479 * destroying past problem datasets
1480 */
1481 if (cb->cb_recurse) {
1482 cb->cb_error = B_TRUE;
1483 return (0);
1484 }
330d06f9
MA		 1485 return (-1);
1486 }
34dc7c2f
BB		 1487 }
1488
1489 zfs_close(zhp);
1490 return (0);
1491}
1492
1493static int
330d06f9 1494destroy_print_cb(zfs_handle_t *zhp, void *arg)
34dc7c2f 1495{
330d06f9
MA		 1496 destroy_cbdata_t *cb = arg;
1497 const char *name = zfs_get_name(zhp);
1498 int err = 0;
1499
1500 if (nvlist_exists(cb->cb_nvl, name)) {
1501 if (cb->cb_firstsnap == NULL)
6f1ffb06 1502 cb->cb_firstsnap = strdup(name);
330d06f9 1503 if (cb->cb_prevsnap != NULL)
6f1ffb06 1504 free(cb->cb_prevsnap);
330d06f9 1505 /* this snap continues the current range */
6f1ffb06
MA		 1506 cb->cb_prevsnap = strdup(name);
1507 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
1508 nomem();
330d06f9
MA		 1509 if (cb->cb_verbose) {
1510 if (cb->cb_parsable) {
1511 (void) printf("destroy\t%s\n", name);
1512 } else if (cb->cb_dryrun) {
1513 (void) printf(gettext("would destroy %s\n"),
1514 name);
1515 } else {
1516 (void) printf(gettext("will destroy %s\n"),
1517 name);
1518 }
34dc7c2f 1519 }
330d06f9
MA		 1520 } else if (cb->cb_firstsnap != NULL) {
1521 /* end of this range */
1522 uint64_t used = 0;
6f1ffb06 1523 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1524 cb->cb_prevsnap, &used);
1525 cb->cb_snapused += used;
6f1ffb06 1526 free(cb->cb_firstsnap);
330d06f9 1527 cb->cb_firstsnap = NULL;
6f1ffb06 1528 free(cb->cb_prevsnap);
330d06f9 1529 cb->cb_prevsnap = NULL;
34dc7c2f 1530 }
330d06f9
MA		 1531 zfs_close(zhp);
1532 return (err);
1533}
34dc7c2f 1534
330d06f9
MA		 1535static int
1536destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
1537{
1538 int err;
1539 assert(cb->cb_firstsnap == NULL);
1540 assert(cb->cb_prevsnap == NULL);
baca06c2
RN		 1541 err = zfs_iter_snapshots_sorted_v2(fs_zhp, 0, destroy_print_cb, cb, 0,
1542 0);
330d06f9
MA		 1543 if (cb->cb_firstsnap != NULL) {
1544 uint64_t used = 0;
1545 if (err == 0) {
6f1ffb06 1546 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1547 cb->cb_prevsnap, &used);
1548 }
1549 cb->cb_snapused += used;
6f1ffb06 1550 free(cb->cb_firstsnap);
330d06f9 1551 cb->cb_firstsnap = NULL;
6f1ffb06 1552 free(cb->cb_prevsnap);
330d06f9
MA		 1553 cb->cb_prevsnap = NULL;
1554 }
1555 return (err);
1556}
1557
1558static int
1559snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
1560{
1561 destroy_cbdata_t *cb = arg;
1562 int err = 0;
1563
1564 /* Check for clones. */
e956d651 1565 if (!cb->cb_doclones && !cb->cb_defer_destroy) {
330d06f9
MA		 1566 cb->cb_target = zhp;
1567 cb->cb_first = B_TRUE;
baca06c2 1568 err = zfs_iter_dependents_v2(zhp, 0, B_TRUE,
330d06f9
MA		 1569 destroy_check_dependent, cb);
1570 }
1571
1572 if (err == 0) {
1573 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
1574 nomem();
1575 }
1576 zfs_close(zhp);
1577 return (err);
1578}
1579
1580static int
1581gather_snapshots(zfs_handle_t *zhp, void *arg)
1582{
1583 destroy_cbdata_t *cb = arg;
1584 int err = 0;
1585
baca06c2 1586 err = zfs_iter_snapspec_v2(zhp, 0, cb->cb_snapspec,
dc95911d 1587 snapshot_to_nvl_cb, cb);
330d06f9
MA		 1588 if (err == ENOENT)
1589 err = 0;
1590 if (err != 0)
1591 goto out;
1592
1593 if (cb->cb_verbose) {
1594 err = destroy_print_snapshots(zhp, cb);
1595 if (err != 0)
1596 goto out;
1597 }
1598
1599 if (cb->cb_recurse)
baca06c2 1600 err = zfs_iter_filesystems_v2(zhp, 0, gather_snapshots, cb);
330d06f9
MA		 1601
1602out:
1603 zfs_close(zhp);
1604 return (err);
1605}
1606
1607static int
1608destroy_clones(destroy_cbdata_t *cb)
1609{
1610 nvpair_t *pair;
1611 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
1612 pair != NULL;
1613 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
1614 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
1615 ZFS_TYPE_SNAPSHOT);
1616 if (zhp != NULL) {
1617 boolean_t defer = cb->cb_defer_destroy;
1618 int err;
1619
1620 /*
1621 * We can't defer destroy non-snapshots, so set it to
1622 * false while destroying the clones.
1623 */
1624 cb->cb_defer_destroy = B_FALSE;
baca06c2 1625 err = zfs_iter_dependents_v2(zhp, 0, B_FALSE,
330d06f9
MA		 1626 destroy_callback, cb);
1627 cb->cb_defer_destroy = defer;
1628 zfs_close(zhp);
1629 if (err != 0)
1630 return (err);
1631 }
1632 }
1633 return (0);
34dc7c2f
BB		 1634}
1635
1636static int
1637zfs_do_destroy(int argc, char **argv)
1638{
1639 destroy_cbdata_t cb = { 0 };
13fe0198
MA		 1640 int rv = 0;
1641 int err = 0;
34dc7c2f 1642 int c;
13fe0198 1643 zfs_handle_t *zhp = NULL;
da536844 1644 char *at, *pound;
428870ff 1645 zfs_type_t type = ZFS_TYPE_DATASET;
34dc7c2f
BB		 1646
1647 /* check options */
330d06f9 1648 while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
34dc7c2f 1649 switch (c) {
330d06f9
MA		 1650 case 'v':
1651 cb.cb_verbose = B_TRUE;
1652 break;
1653 case 'p':
1654 cb.cb_verbose = B_TRUE;
1655 cb.cb_parsable = B_TRUE;
1656 break;
1657 case 'n':
1658 cb.cb_dryrun = B_TRUE;
1659 break;
45d1cae3
BB		 1660 case 'd':
1661 cb.cb_defer_destroy = B_TRUE;
428870ff 1662 type = ZFS_TYPE_SNAPSHOT;
45d1cae3 1663 break;
34dc7c2f 1664 case 'f':
330d06f9 1665 cb.cb_force = B_TRUE;
34dc7c2f
BB		 1666 break;
1667 case 'r':
330d06f9 1668 cb.cb_recurse = B_TRUE;
34dc7c2f
BB		 1669 break;
1670 case 'R':
330d06f9
MA		 1671 cb.cb_recurse = B_TRUE;
1672 cb.cb_doclones = B_TRUE;
34dc7c2f
BB		 1673 break;
1674 case '?':
1675 default:
1676 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1677 optopt);
1678 usage(B_FALSE);
1679 }
1680 }
1681
1682 argc -= optind;
1683 argv += optind;
1684
1685 /* check number of arguments */
1686 if (argc == 0) {
330d06f9 1687 (void) fprintf(stderr, gettext("missing dataset argument\n"));
34dc7c2f
BB		 1688 usage(B_FALSE);
1689 }
1690 if (argc > 1) {
1691 (void) fprintf(stderr, gettext("too many arguments\n"));
1692 usage(B_FALSE);
1693 }
1694
330d06f9 1695 at = strchr(argv[0], '@');
da536844 1696 pound = strchr(argv[0], '#');
330d06f9 1697 if (at != NULL) {
34dc7c2f 1698
330d06f9 1699 /* Build the list of snaps to destroy in cb_nvl. */
13fe0198 1700 cb.cb_nvl = fnvlist_alloc();
330d06f9
MA		 1701
1702 *at = '\0';
1703 zhp = zfs_open(g_zfs, argv[0],
1704 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 1705 if (zhp == NULL) {
1706 nvlist_free(cb.cb_nvl);
34dc7c2f 1707 return (1);
a425f5bf 1708 }
34dc7c2f 1709
330d06f9
MA		 1710 cb.cb_snapspec = at + 1;
1711 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
1712 cb.cb_error) {
13fe0198
MA		 1713 rv = 1;
1714 goto out;
330d06f9 1715 }
428870ff 1716
330d06f9
MA		 1717 if (nvlist_empty(cb.cb_nvl)) {
1718 (void) fprintf(stderr, gettext("could not find any "
1719 "snapshots to destroy; check snapshot names.\n"));
13fe0198
MA		 1720 rv = 1;
1721 goto out;
330d06f9
MA		 1722 }
1723
1724 if (cb.cb_verbose) {
1725 char buf[16];
e7fbeb60 1726 zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf));
330d06f9
MA		 1727 if (cb.cb_parsable) {
1728 (void) printf("reclaim\t%llu\n",
1729 (u_longlong_t)cb.cb_snapused);
1730 } else if (cb.cb_dryrun) {
1731 (void) printf(gettext("would reclaim %s\n"),
1732 buf);
1733 } else {
1734 (void) printf(gettext("will reclaim %s\n"),
1735 buf);
34dc7c2f
BB		 1736 }
1737 }
1738
330d06f9 1739 if (!cb.cb_dryrun) {
13fe0198
MA		 1740 if (cb.cb_doclones) {
1741 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9 1742 err = destroy_clones(&cb);
13fe0198
MA		 1743 if (err == 0) {
1744 err = zfs_destroy_snaps_nvl(g_zfs,
1745 cb.cb_batchedsnaps, B_FALSE);
1746 }
1747 if (err != 0) {
1748 rv = 1;
1749 goto out;
1750 }
1751 }
330d06f9 1752 if (err == 0) {
13fe0198 1753 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
330d06f9
MA		 1754 cb.cb_defer_destroy);
1755 }
34dc7c2f 1756 }
34dc7c2f 1757
330d06f9 1758 if (err != 0)
13fe0198 1759 rv = 1;
da536844
MA		 1760 } else if (pound != NULL) {
1761 int err;
1762 nvlist_t *nvl;
1763
1764 if (cb.cb_dryrun) {
1765 (void) fprintf(stderr,
1766 "dryrun is not supported with bookmark\n");
1767 return (-1);
1768 }
1769
1770 if (cb.cb_defer_destroy) {
1771 (void) fprintf(stderr,
1772 "defer destroy is not supported with bookmark\n");
1773 return (-1);
1774 }
1775
1776 if (cb.cb_recurse) {
1777 (void) fprintf(stderr,
1778 "recursive is not supported with bookmark\n");
1779 return (-1);
1780 }
1781
30af21b0
PD		 1782 /*
1783 * Unfortunately, zfs_bookmark() doesn't honor the
1784 * casesensitivity setting. However, we can't simply
1785 * remove this check, because lzc_destroy_bookmarks()
1786 * ignores non-existent bookmarks, so this is necessary
1787 * to get a proper error message.
1788 */
da536844
MA		 1789 if (!zfs_bookmark_exists(argv[0])) {
1790 (void) fprintf(stderr, gettext("bookmark '%s' "
1791 "does not exist.\n"), argv[0]);
1792 return (1);
1793 }
1794
1795 nvl = fnvlist_alloc();
1796 fnvlist_add_boolean(nvl, argv[0]);
1797
1798 err = lzc_destroy_bookmarks(nvl, NULL);
1799 if (err != 0) {
1800 (void) zfs_standard_error(g_zfs, err,
1801 "cannot destroy bookmark");
1802 }
1803
a425f5bf 1804 nvlist_free(nvl);
da536844
MA		 1805
1806 return (err);
330d06f9
MA		 1807 } else {
1808 /* Open the given dataset */
1809 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
1810 return (1);
34dc7c2f 1811
330d06f9 1812 cb.cb_target = zhp;
34dc7c2f 1813
330d06f9
MA		 1814 /*
1815 * Perform an explicit check for pools before going any further.
1816 */
1817 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
1818 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1819 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1820 "operation does not apply to pools\n"),
1821 zfs_get_name(zhp));
1822 (void) fprintf(stderr, gettext("use 'zfs destroy -r "
1823 "%s' to destroy all datasets in the pool\n"),
1824 zfs_get_name(zhp));
1825 (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
1826 "to destroy the pool itself\n"), zfs_get_name(zhp));
13fe0198
MA		 1827 rv = 1;
1828 goto out;
330d06f9 1829 }
34dc7c2f 1830
330d06f9
MA		 1831 /*
1832 * Check for any dependents and/or clones.
1833 */
1834 cb.cb_first = B_TRUE;
baca06c2
RN		 1835 if (!cb.cb_doclones && zfs_iter_dependents_v2(zhp, 0, B_TRUE,
1836 destroy_check_dependent, &cb) != 0) {
13fe0198
MA		 1837 rv = 1;
1838 goto out;
330d06f9 1839 }
34dc7c2f 1840
330d06f9 1841 if (cb.cb_error) {
13fe0198
MA		 1842 rv = 1;
1843 goto out;
330d06f9 1844 }
13fe0198 1845 cb.cb_batchedsnaps = fnvlist_alloc();
baca06c2 1846 if (zfs_iter_dependents_v2(zhp, 0, B_FALSE, destroy_callback,
330d06f9 1847 &cb) != 0) {
13fe0198
MA		 1848 rv = 1;
1849 goto out;
330d06f9 1850 }
34dc7c2f 1851
330d06f9
MA		 1852 /*
1853 * Do the real thing. The callback will close the
1854 * handle regardless of whether it succeeds or not.
1855 */
13fe0198
MA		 1856 err = destroy_callback(zhp, &cb);
1857 zhp = NULL;
1858 if (err == 0) {
1859 err = zfs_destroy_snaps_nvl(g_zfs,
1860 cb.cb_batchedsnaps, cb.cb_defer_destroy);
1861 }
6969afce 1862 if (err != 0 || cb.cb_error == B_TRUE)
13fe0198 1863 rv = 1;
330d06f9 1864 }
34dc7c2f 1865
13fe0198
MA		 1866out:
1867 fnvlist_free(cb.cb_batchedsnaps);
1868 fnvlist_free(cb.cb_nvl);
1869 if (zhp != NULL)
1870 zfs_close(zhp);
1871 return (rv);
34dc7c2f
BB		 1872}
1873
428870ff
BB		 1874static boolean_t
1875is_recvd_column(zprop_get_cbdata_t *cbp)
1876{
1877 int i;
1878 zfs_get_column_t col;
1879
1880 for (i = 0; i < ZFS_GET_NCOLS &&
1881 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
1882 if (col == GET_COL_RECVD)
1883 return (B_TRUE);
1884 return (B_FALSE);
1885}
1886
34dc7c2f 1887/*
428870ff
BB		 1888 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1889 * < all | property[,property]... > < fs | snap | vol > ...
34dc7c2f
BB		 1890 *
1891 * -r recurse over any child datasets
1892 * -H scripted mode. Headers are stripped, and fields are separated
1893 * by tabs instead of spaces.
428870ff
BB		 1894 * -o Set of fields to display. One of "name,property,value,
1895 * received,source". Default is "name,property,value,source".
1896 * "all" is an alias for all five.
34dc7c2f 1897 * -s Set of sources to allow. One of
428870ff
BB		 1898 * "local,default,inherited,received,temporary,none". Default is
1899 * all six.
34dc7c2f
BB		 1900 * -p Display values in parsable (literal) format.
1901 *
1902 * Prints properties for the given datasets. The user can control which
1903 * columns to display as well as which property types to allow.
1904 */
1905
1906/*
1907 * Invoked to display the properties for a single dataset.
1908 */
1909static int
1910get_callback(zfs_handle_t *zhp, void *data)
1911{
1912 char buf[ZFS_MAXPROPLEN];
428870ff 1913 char rbuf[ZFS_MAXPROPLEN];
610cb4fb 1914 zprop_source_t sourcetype;
eca7b760 1915 char source[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 1916 zprop_get_cbdata_t *cbp = data;
428870ff 1917 nvlist_t *user_props = zfs_get_user_props(zhp);
34dc7c2f
BB		 1918 zprop_list_t *pl = cbp->cb_proplist;
1919 nvlist_t *propval;
a926aab9
AZ		 1920 const char *strval;
1921 const char *sourceval;
428870ff 1922 boolean_t received = is_recvd_column(cbp);
34dc7c2f
BB		 1923
1924 for (; pl != NULL; pl = pl->pl_next) {
428870ff 1925 char *recvdval = NULL;
34dc7c2f
BB		 1926 /*
1927 * Skip the special fake placeholder. This will also skip over
1928 * the name property when 'all' is specified.
1929 */
1930 if (pl->pl_prop == ZFS_PROP_NAME &&
1931 pl == cbp->cb_proplist)
1932 continue;
1933
4ff7a8fa 1934 if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f
BB		 1935 if (zfs_prop_get(zhp, pl->pl_prop, buf,
1936 sizeof (buf), &sourcetype, source,
1937 sizeof (source),
1938 cbp->cb_literal) != 0) {
1939 if (pl->pl_all)
1940 continue;
1941 if (!zfs_prop_valid_for_type(pl->pl_prop,
962d5242 1942 ZFS_TYPE_DATASET, B_FALSE)) {
34dc7c2f
BB		 1943 (void) fprintf(stderr,
1944 gettext("No such property '%s'\n"),
1945 zfs_prop_to_name(pl->pl_prop));
1946 continue;
1947 }
1948 sourcetype = ZPROP_SRC_NONE;
1949 (void) strlcpy(buf, "-", sizeof (buf));
1950 }
1951
428870ff
BB		 1952 if (received && (zfs_prop_get_recvd(zhp,
1953 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
1954 cbp->cb_literal) == 0))
1955 recvdval = rbuf;
1956
34dc7c2f
BB		 1957 zprop_print_one_property(zfs_get_name(zhp), cbp,
1958 zfs_prop_to_name(pl->pl_prop),
428870ff 1959 buf, sourcetype, source, recvdval);
9babb374
BB		 1960 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
1961 sourcetype = ZPROP_SRC_LOCAL;
1962
1963 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
1964 buf, sizeof (buf), cbp->cb_literal) != 0) {
1965 sourcetype = ZPROP_SRC_NONE;
1966 (void) strlcpy(buf, "-", sizeof (buf));
1967 }
1968
330d06f9
MA		 1969 zprop_print_one_property(zfs_get_name(zhp), cbp,
1970 pl->pl_user_prop, buf, sourcetype, source, NULL);
1971 } else if (zfs_prop_written(pl->pl_user_prop)) {
1972 sourcetype = ZPROP_SRC_LOCAL;
1973
1974 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
1975 buf, sizeof (buf), cbp->cb_literal) != 0) {
1976 sourcetype = ZPROP_SRC_NONE;
1977 (void) strlcpy(buf, "-", sizeof (buf));
1978 }
1979
9babb374 1980 zprop_print_one_property(zfs_get_name(zhp), cbp,
428870ff 1981 pl->pl_user_prop, buf, sourcetype, source, NULL);
34dc7c2f 1982 } else {
428870ff 1983 if (nvlist_lookup_nvlist(user_props,
34dc7c2f
BB		 1984 pl->pl_user_prop, &propval) != 0) {
1985 if (pl->pl_all)
1986 continue;
1987 sourcetype = ZPROP_SRC_NONE;
1988 strval = "-";
1989 } else {
a926aab9
AZ		 1990 strval = fnvlist_lookup_string(propval,
1991 ZPROP_VALUE);
1992 sourceval = fnvlist_lookup_string(propval,
1993 ZPROP_SOURCE);
34dc7c2f
BB		 1994
1995 if (strcmp(sourceval,
1996 zfs_get_name(zhp)) == 0) {
1997 sourcetype = ZPROP_SRC_LOCAL;
428870ff
BB		 1998 } else if (strcmp(sourceval,
1999 ZPROP_SOURCE_VAL_RECVD) == 0) {
2000 sourcetype = ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 2001 } else {
2002 sourcetype = ZPROP_SRC_INHERITED;
2003 (void) strlcpy(source,
2004 sourceval, sizeof (source));
2005 }
2006 }
2007
428870ff
BB		 2008 if (received && (zfs_prop_get_recvd(zhp,
2009 pl->pl_user_prop, rbuf, sizeof (rbuf),
2010 cbp->cb_literal) == 0))
2011 recvdval = rbuf;
2012
34dc7c2f
BB		 2013 zprop_print_one_property(zfs_get_name(zhp), cbp,
2014 pl->pl_user_prop, strval, sourcetype,
428870ff 2015 source, recvdval);
34dc7c2f
BB		 2016 }
2017 }
2018
2019 return (0);
2020}
2021
2022static int
2023zfs_do_get(int argc, char **argv)
2024{
2025 zprop_get_cbdata_t cb = { 0 };
bb939d10 2026 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
aeacdefe 2027 int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK;
46952300 2028 char *fields;
ad60af8e 2029 int ret = 0;
9babb374 2030 int limit = 0;
34dc7c2f
BB		 2031 zprop_list_t fake_name = { 0 };
2032
2033 /*
2034 * Set up default columns and sources.
2035 */
2036 cb.cb_sources = ZPROP_SRC_ALL;
2037 cb.cb_columns[0] = GET_COL_NAME;
2038 cb.cb_columns[1] = GET_COL_PROPERTY;
2039 cb.cb_columns[2] = GET_COL_VALUE;
2040 cb.cb_columns[3] = GET_COL_SOURCE;
2041 cb.cb_type = ZFS_TYPE_DATASET;
2042
2043 /* check options */
e346ec25 2044 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
34dc7c2f
BB		 2045 switch (c) {
2046 case 'p':
2047 cb.cb_literal = B_TRUE;
2048 break;
9babb374
BB		 2049 case 'd':
2050 limit = parse_depth(optarg, &flags);
2051 break;
34dc7c2f 2052 case 'r':
b128c09f 2053 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2054 break;
2055 case 'H':
2056 cb.cb_scripted = B_TRUE;
2057 break;
2058 case ':':
2059 (void) fprintf(stderr, gettext("missing argument for "
2060 "'%c' option\n"), optopt);
2061 usage(B_FALSE);
2062 break;
2063 case 'o':
2064 /*
2065 * Process the set of columns to display. We zero out
2066 * the structure to give us a blank slate.
2067 */
861166b0 2068 memset(&cb.cb_columns, 0, sizeof (cb.cb_columns));
7c17e82c 2069
34dc7c2f 2070 i = 0;
7c17e82c
AZ		 2071 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2072 static const char *const col_subopts[] =
2073 { "name", "property", "value",
2074 "received", "source", "all" };
2075 static const zfs_get_column_t col_subopt_col[] =
2076 { GET_COL_NAME, GET_COL_PROPERTY, GET_COL_VALUE,
2077 GET_COL_RECVD, GET_COL_SOURCE };
2078 static const int col_subopt_flags[] =
2079 { 0, 0, 0, ZFS_ITER_RECVD_PROPS, 0 };
34dc7c2f 2080
428870ff 2081 if (i == ZFS_GET_NCOLS) {
34dc7c2f
BB		 2082 (void) fprintf(stderr, gettext("too "
2083 "many fields given to -o "
2084 "option\n"));
2085 usage(B_FALSE);
2086 }
2087
7c17e82c
AZ		 2088 for (c = 0; c < ARRAY_SIZE(col_subopts); ++c)
2089 if (strcmp(tok, col_subopts[c]) == 0)
2090 goto found;
2091
2092 (void) fprintf(stderr,
2093 gettext("invalid column name '%s'\n"), tok);
2094 usage(B_FALSE);
2095
2096found:
2097 if (c >= 5) {
428870ff
BB		 2098 if (i > 0) {
2099 (void) fprintf(stderr,
2100 gettext("\"all\" conflicts "
2101 "with specific fields "
2102 "given to -o option\n"));
2103 usage(B_FALSE);
2104 }
7c17e82c
AZ		 2105
2106 memcpy(cb.cb_columns, col_subopt_col,
2107 sizeof (col_subopt_col));
428870ff
BB		 2108 flags |= ZFS_ITER_RECVD_PROPS;
2109 i = ZFS_GET_NCOLS;
7c17e82c
AZ		 2110 } else {
2111 cb.cb_columns[i++] = col_subopt_col[c];
2112 flags |= col_subopt_flags[c];
34dc7c2f
BB		 2113 }
2114 }
2115 break;
2116
2117 case 's':
2118 cb.cb_sources = 0;
34dc7c2f 2119
7867f430
AZ		 2120 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2121 static const char *const source_opt[] = {
2122 "local", "default",
2123 "inherited", "received",
2124 "temporary", "none" };
2125 static const int source_flg[] = {
2126 ZPROP_SRC_LOCAL, ZPROP_SRC_DEFAULT,
2127 ZPROP_SRC_INHERITED, ZPROP_SRC_RECEIVED,
2128 ZPROP_SRC_TEMPORARY, ZPROP_SRC_NONE };
2129
2130 for (i = 0; i < ARRAY_SIZE(source_opt); ++i)
2131 if (strcmp(tok, source_opt[i]) == 0) {
2132 cb.cb_sources |= source_flg[i];
2133 goto found2;
2134 }
2135
2136 (void) fprintf(stderr,
2137 gettext("invalid source '%s'\n"), tok);
2138 usage(B_FALSE);
2139found2:;
34dc7c2f
BB		 2140 }
2141 break;
2142
e346ec25
AS		 2143 case 't':
2144 types = 0;
2145 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
46952300
AZ		 2146
2147 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2148 static const char *const type_opts[] = {
c346068e
R		 2149 "filesystem",
2150 "fs",
2151 "volume",
2152 "vol",
2153 "snapshot",
2154 "snap",
46952300 2155 "bookmark",
c346068e
R		 2156 "all"
2157 };
46952300 2158 static const int type_types[] = {
c346068e
R		 2159 ZFS_TYPE_FILESYSTEM,
2160 ZFS_TYPE_FILESYSTEM,
2161 ZFS_TYPE_VOLUME,
2162 ZFS_TYPE_VOLUME,
2163 ZFS_TYPE_SNAPSHOT,
2164 ZFS_TYPE_SNAPSHOT,
46952300 2165 ZFS_TYPE_BOOKMARK,
c346068e
R		 2166 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK
2167 };
46952300
AZ		 2168
2169 for (i = 0; i < ARRAY_SIZE(type_opts); ++i)
2170 if (strcmp(tok, type_opts[i]) == 0) {
2171 types |= type_types[i];
2172 goto found3;
2173 }
2174
2175 (void) fprintf(stderr,
2176 gettext("invalid type '%s'\n"), tok);
2177 usage(B_FALSE);
2178found3:;
e346ec25
AS		 2179 }
2180 break;
2181
34dc7c2f
BB		 2182 case '?':
2183 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2184 optopt);
2185 usage(B_FALSE);
2186 }
2187 }
2188
2189 argc -= optind;
2190 argv += optind;
2191
2192 if (argc < 1) {
2193 (void) fprintf(stderr, gettext("missing property "
2194 "argument\n"));
2195 usage(B_FALSE);
2196 }
2197
2198 fields = argv[0];
2199
df583073 2200 /*
8221bcf1
I		 2201 * Handle users who want to get all snapshots or bookmarks
2202 * of a dataset (ex. 'zfs get -t snapshot refer <dataset>').
df583073 2203 */
8221bcf1
I		 2204 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
2205 argc > 1 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 2206 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
2207 limit = 1;
2208 }
2209
34dc7c2f
BB		 2210 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
2211 != 0)
2212 usage(B_FALSE);
2213
2214 argc--;
2215 argv++;
2216
2217 /*
2218 * As part of zfs_expand_proplist(), we keep track of the maximum column
2219 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
2220 * need to know the maximum name length. However, the user likely did
2221 * not specify 'name' as one of the properties to fetch, so we need to
2222 * make sure we always include at least this property for
2223 * print_get_headers() to work properly.
2224 */
2225 if (cb.cb_proplist != NULL) {
2226 fake_name.pl_prop = ZFS_PROP_NAME;
2227 fake_name.pl_width = strlen(gettext("NAME"));
2228 fake_name.pl_next = cb.cb_proplist;
2229 cb.cb_proplist = &fake_name;
2230 }
2231
2232 cb.cb_first = B_TRUE;
2233
2234 /* run for each object */
e346ec25 2235 ret = zfs_for_each(argc, argv, flags, types, NULL,
9babb374 2236 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 2237
2238 if (cb.cb_proplist == &fake_name)
2239 zprop_free_list(fake_name.pl_next);
2240 else
2241 zprop_free_list(cb.cb_proplist);
2242
2243 return (ret);
2244}
2245
2246/*
428870ff 2247 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 2248 *
428870ff
BB		 2249 * -r Recurse over all children
2250 * -S Revert to received value, if any
34dc7c2f
BB		 2251 *
2252 * For each dataset specified on the command line, inherit the given property
2253 * from its parent. Inheriting a property at the pool level will cause it to
2254 * use the default value. The '-r' flag will recurse over all children, and is
2255 * useful for setting a property on a hierarchy-wide basis, regardless of any
2256 * local modifications for each dataset.
2257 */
2258
428870ff
BB		 2259typedef struct inherit_cbdata {
2260 const char *cb_propname;
2261 boolean_t cb_received;
2262} inherit_cbdata_t;
2263
34dc7c2f 2264static int
b128c09f 2265inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 2266{
428870ff
BB		 2267 inherit_cbdata_t *cb = data;
2268 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 2269
b128c09f
BB		 2270 /*
2271 * If we're doing it recursively, then ignore properties that
2272 * are not valid for this type of dataset.
2273 */
2274 if (prop != ZPROP_INVAL &&
962d5242 2275 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE))
b128c09f
BB		 2276 return (0);
2277
428870ff 2278 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 2279}
2280
2281static int
2282inherit_cb(zfs_handle_t *zhp, void *data)
2283{
428870ff 2284 inherit_cbdata_t *cb = data;
b128c09f 2285
428870ff 2286 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 2287}
2288
2289static int
2290zfs_do_inherit(int argc, char **argv)
2291{
34dc7c2f
BB		 2292 int c;
2293 zfs_prop_t prop;
428870ff 2294 inherit_cbdata_t cb = { 0 };
34dc7c2f 2295 char *propname;
ad60af8e 2296 int ret = 0;
b128c09f 2297 int flags = 0;
428870ff 2298 boolean_t received = B_FALSE;
34dc7c2f
BB		 2299
2300 /* check options */
428870ff 2301 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 2302 switch (c) {
2303 case 'r':
b128c09f 2304 flags |= ZFS_ITER_RECURSE;
34dc7c2f 2305 break;
428870ff
BB		 2306 case 'S':
2307 received = B_TRUE;
2308 break;
34dc7c2f
BB		 2309 case '?':
2310 default:
2311 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2312 optopt);
2313 usage(B_FALSE);
2314 }
2315 }
2316
2317 argc -= optind;
2318 argv += optind;
2319
2320 /* check number of arguments */
2321 if (argc < 1) {
2322 (void) fprintf(stderr, gettext("missing property argument\n"));
2323 usage(B_FALSE);
2324 }
2325 if (argc < 2) {
2326 (void) fprintf(stderr, gettext("missing dataset argument\n"));
2327 usage(B_FALSE);
2328 }
2329
2330 propname = argv[0];
2331 argc--;
2332 argv++;
2333
4ff7a8fa 2334 if ((prop = zfs_name_to_prop(propname)) != ZPROP_USERPROP) {
34dc7c2f
BB		 2335 if (zfs_prop_readonly(prop)) {
2336 (void) fprintf(stderr, gettext(
2337 "%s property is read-only\n"),
2338 propname);
2339 return (1);
2340 }
428870ff 2341 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 2342 (void) fprintf(stderr, gettext("'%s' property cannot "
2343 "be inherited\n"), propname);
2344 if (prop == ZFS_PROP_QUOTA ||
2345 prop == ZFS_PROP_RESERVATION ||
2346 prop == ZFS_PROP_REFQUOTA ||
0bf8501a 2347 prop == ZFS_PROP_REFRESERVATION) {
34dc7c2f
BB		 2348 (void) fprintf(stderr, gettext("use 'zfs set "
2349 "%s=none' to clear\n"), propname);
0bf8501a
PH		 2350 (void) fprintf(stderr, gettext("use 'zfs "
2351 "inherit -S %s' to revert to received "
2352 "value\n"), propname);
2353 }
34dc7c2f
BB		 2354 return (1);
2355 }
428870ff
BB		 2356 if (received && (prop == ZFS_PROP_VOLSIZE ||
2357 prop == ZFS_PROP_VERSION)) {
2358 (void) fprintf(stderr, gettext("'%s' property cannot "
2359 "be reverted to a received value\n"), propname);
2360 return (1);
2361 }
34dc7c2f
BB		 2362 } else if (!zfs_prop_user(propname)) {
2363 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
2364 propname);
2365 usage(B_FALSE);
2366 }
2367
428870ff
BB		 2368 cb.cb_propname = propname;
2369 cb.cb_received = received;
2370
b128c09f
BB		 2371 if (flags & ZFS_ITER_RECURSE) {
2372 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2373 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 2374 } else {
2375 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2376 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 2377 }
34dc7c2f
BB		 2378
2379 return (ret);
2380}
2381
2382typedef struct upgrade_cbdata {
2383 uint64_t cb_numupgraded;
2384 uint64_t cb_numsamegraded;
2385 uint64_t cb_numfailed;
2386 uint64_t cb_version;
2387 boolean_t cb_newer;
2388 boolean_t cb_foundone;
eca7b760 2389 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f
BB		 2390} upgrade_cbdata_t;
2391
2392static int
2393same_pool(zfs_handle_t *zhp, const char *name)
2394{
2395 int len1 = strcspn(name, "/@");
2396 const char *zhname = zfs_get_name(zhp);
2397 int len2 = strcspn(zhname, "/@");
2398
2399 if (len1 != len2)
2400 return (B_FALSE);
2401 return (strncmp(name, zhname, len1) == 0);
2402}
2403
2404static int
2405upgrade_list_callback(zfs_handle_t *zhp, void *data)
2406{
2407 upgrade_cbdata_t *cb = data;
2408 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
2409
2410 /* list if it's old/new */
2411 if ((!cb->cb_newer && version < ZPL_VERSION) ||
2412 (cb->cb_newer && version > ZPL_VERSION)) {
2413 char *str;
2414 if (cb->cb_newer) {
2415 str = gettext("The following filesystems are "
2416 "formatted using a newer software version and\n"
2417 "cannot be accessed on the current system.\n\n");
2418 } else {
2419 str = gettext("The following filesystems are "
2420 "out of date, and can be upgraded. After being\n"
2421 "upgraded, these filesystems (and any 'zfs send' "
2422 "streams generated from\n"
2423 "subsequent snapshots) will no longer be "
2424 "accessible by older software versions.\n\n");
2425 }
2426
2427 if (!cb->cb_foundone) {
2428 (void) puts(str);
2429 (void) printf(gettext("VER FILESYSTEM\n"));
2430 (void) printf(gettext("--- ------------\n"));
2431 cb->cb_foundone = B_TRUE;
2432 }
2433
2434 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
2435 }
2436
2437 return (0);
2438}
2439
2440static int
2441upgrade_set_callback(zfs_handle_t *zhp, void *data)
2442{
2443 upgrade_cbdata_t *cb = data;
2444 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 2445 int needed_spa_version;
2446 int spa_version;
2447
2448 if (zfs_spa_version(zhp, &spa_version) < 0)
2449 return (-1);
2450
2451 needed_spa_version = zfs_spa_version_map(cb->cb_version);
2452
2453 if (needed_spa_version < 0)
2454 return (-1);
2455
2456 if (spa_version < needed_spa_version) {
2457 /* can't upgrade */
2458 (void) printf(gettext("%s: can not be "
2459 "upgraded; the pool version needs to first "
2460 "be upgraded\nto version %d\n\n"),
2461 zfs_get_name(zhp), needed_spa_version);
2462 cb->cb_numfailed++;
2463 return (0);
34dc7c2f
BB		 2464 }
2465
2466 /* upgrade */
2467 if (version < cb->cb_version) {
f11431a3 2468 char verstr[24];
34dc7c2f 2469 (void) snprintf(verstr, sizeof (verstr),
b8864a23 2470 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 2471 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
2472 /*
2473 * If they did "zfs upgrade -a", then we could
2474 * be doing ioctls to different pools. We need
6f1ffb06
MA		 2475 * to log this history once to each pool, and bypass
2476 * the normal history logging that happens in main().
34dc7c2f 2477 */
6f1ffb06
MA		 2478 (void) zpool_log_history(g_zfs, history_str);
2479 log_history = B_FALSE;
34dc7c2f
BB		 2480 }
2481 if (zfs_prop_set(zhp, "version", verstr) == 0)
2482 cb->cb_numupgraded++;
2483 else
2484 cb->cb_numfailed++;
a51288aa
RY		 2485 (void) strlcpy(cb->cb_lastfs, zfs_get_name(zhp),
2486 sizeof (cb->cb_lastfs));
34dc7c2f
BB		 2487 } else if (version > cb->cb_version) {
2488 /* can't downgrade */
2489 (void) printf(gettext("%s: can not be downgraded; "
2490 "it is already at version %u\n"),
2491 zfs_get_name(zhp), version);
2492 cb->cb_numfailed++;
2493 } else {
2494 cb->cb_numsamegraded++;
2495 }
2496 return (0);
2497}
2498
2499/*
2500 * zfs upgrade
2501 * zfs upgrade -v
2502 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
2503 */
2504static int
2505zfs_do_upgrade(int argc, char **argv)
2506{
34dc7c2f
BB		 2507 boolean_t all = B_FALSE;
2508 boolean_t showversions = B_FALSE;
ad60af8e 2509 int ret = 0;
34dc7c2f 2510 upgrade_cbdata_t cb = { 0 };
0869b74a 2511 int c;
b128c09f 2512 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2513
2514 /* check options */
2515 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
2516 switch (c) {
2517 case 'r':
b128c09f 2518 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2519 break;
2520 case 'v':
2521 showversions = B_TRUE;
2522 break;
2523 case 'V':
2524 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
2525 optarg, &cb.cb_version) != 0) {
2526 (void) fprintf(stderr,
2527 gettext("invalid version %s\n"), optarg);
2528 usage(B_FALSE);
2529 }
2530 break;
2531 case 'a':
2532 all = B_TRUE;
2533 break;
2534 case '?':
2535 default:
2536 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2537 optopt);
2538 usage(B_FALSE);
2539 }
2540 }
2541
2542 argc -= optind;
2543 argv += optind;
2544
b128c09f 2545 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 2546 usage(B_FALSE);
b128c09f
BB		 2547 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
2548 cb.cb_version || argc))
34dc7c2f
BB		 2549 usage(B_FALSE);
2550 if ((all || argc) && (showversions))
2551 usage(B_FALSE);
2552 if (all && argc)
2553 usage(B_FALSE);
2554
2555 if (showversions) {
2556 /* Show info on available versions. */
2557 (void) printf(gettext("The following filesystem versions are "
2558 "supported:\n\n"));
2559 (void) printf(gettext("VER DESCRIPTION\n"));
2560 (void) printf("--- -----------------------------------------"
2561 "---------------\n");
2562 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2563 (void) printf(gettext(" 2 Enhanced directory entries\n"));
330d06f9
MA		 2564 (void) printf(gettext(" 3 Case insensitive and filesystem "
2565 "user identifier (FUID)\n"));
9babb374
BB		 2566 (void) printf(gettext(" 4 userquota, groupquota "
2567 "properties\n"));
428870ff 2568 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 2569 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 2570 "version, including supported releases,\n"));
2571 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 2572 ret = 0;
2573 } else if (argc || all) {
2574 /* Upgrade filesystems */
2575 if (cb.cb_version == 0)
2576 cb.cb_version = ZPL_VERSION;
b128c09f 2577 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2578 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 2579 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 2580 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 2581 if (cb.cb_numsamegraded) {
2582 (void) printf(gettext("%llu filesystems already at "
2583 "this version\n"),
b8864a23 2584 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 2585 }
2586 if (cb.cb_numfailed != 0)
2587 ret = 1;
2588 } else {
4e33ba4c 2589 /* List old-version filesystems */
34dc7c2f
BB		 2590 boolean_t found;
2591 (void) printf(gettext("This system is currently running "
2592 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
2593
b128c09f
BB		 2594 flags |= ZFS_ITER_RECURSE;
2595 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2596 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2597
2598 found = cb.cb_foundone;
2599 cb.cb_foundone = B_FALSE;
2600 cb.cb_newer = B_TRUE;
2601
6a42939f 2602 ret |= zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2603 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2604
2605 if (!cb.cb_foundone && !found) {
2606 (void) printf(gettext("All filesystems are "
2607 "formatted with the current version.\n"));
2608 }
2609 }
2610
2611 return (ret);
2612}
2613
5990da81
YP		 2614/*
2615 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2616 * [-S field [-S field]...] [-t type[,...]]
2617 * filesystem | snapshot | path
5990da81 2618 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2619 * [-S field [-S field]...] [-t type[,...]]
2620 * filesystem | snapshot | path
9c5167d1 2621 * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...]
cf266775 2622 * [-S field [-S field]...] filesystem | snapshot | path
5990da81
YP		 2623 *
2624 * -H Scripted mode; elide headers and separate columns by tabs.
2625 * -i Translate SID to POSIX ID.
2626 * -n Print numeric ID instead of user/group name.
2627 * -o Control which fields to display.
54d5378f 2628 * -p Use exact (parsable) numeric output.
5990da81
YP		 2629 * -s Specify sort columns, descending order.
2630 * -S Specify sort columns, ascending order.
2631 * -t Control which object types to display.
2632 *
2633 * Displays space consumed by, and quotas on, each user in the specified
2634 * filesystem or snapshot.
2635 */
0b7936d5 2636
5990da81
YP		 2637/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2638enum us_field_types {
2639 USFIELD_TYPE,
2640 USFIELD_NAME,
2641 USFIELD_USED,
1de321e6
JX		 2642 USFIELD_QUOTA,
2643 USFIELD_OBJUSED,
2644 USFIELD_OBJQUOTA
5990da81 2645};
a926aab9 2646static const char *const us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA",
1de321e6 2647 "OBJUSED", "OBJQUOTA" };
a926aab9 2648static const char *const us_field_names[] = { "type", "name", "used", "quota",
1de321e6 2649 "objused", "objquota" };
5990da81 2650#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
0b7936d5 2651
5990da81
YP		 2652#define USTYPE_PSX_GRP (1 << 0)
2653#define USTYPE_PSX_USR (1 << 1)
2654#define USTYPE_SMB_GRP (1 << 2)
2655#define USTYPE_SMB_USR (1 << 3)
9c5167d1 2656#define USTYPE_PROJ (1 << 4)
5990da81 2657#define USTYPE_ALL \
9c5167d1
NF		 2658 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \
2659 USTYPE_PROJ)
0b7936d5 2660
5990da81
YP		 2661static int us_type_bits[] = {
2662 USTYPE_PSX_GRP,
2663 USTYPE_PSX_USR,
2664 USTYPE_SMB_GRP,
2665 USTYPE_SMB_USR,
2666 USTYPE_ALL
2667};
a926aab9
AZ		 2668static const char *const us_type_names[] = { "posixgroup", "posixuser",
2669 "smbgroup", "smbuser", "all" };
0b7936d5
AS		 2670
2671typedef struct us_node {
2672 nvlist_t *usn_nvl;
2673 uu_avl_node_t usn_avlnode;
2674 uu_list_node_t usn_listnode;
2675} us_node_t;
2676
2677typedef struct us_cbdata {
5990da81
YP		 2678 nvlist_t **cb_nvlp;
2679 uu_avl_pool_t *cb_avl_pool;
2680 uu_avl_t *cb_avl;
2681 boolean_t cb_numname;
2682 boolean_t cb_nicenum;
2683 boolean_t cb_sid2posix;
2684 zfs_userquota_prop_t cb_prop;
2685 zfs_sort_column_t *cb_sortcol;
2686 size_t cb_width[USFIELD_LAST];
0b7936d5
AS		 2687} us_cbdata_t;
2688
5990da81
YP		 2689static boolean_t us_populated = B_FALSE;
2690
0b7936d5
AS		 2691typedef struct {
2692 zfs_sort_column_t *si_sortcol;
5990da81 2693 boolean_t si_numname;
0b7936d5
AS		 2694} us_sort_info_t;
2695
5990da81 2696static int
a926aab9 2697us_field_index(const char *field)
5990da81 2698{
a926aab9 2699 for (int i = 0; i < USFIELD_LAST; i++) {
5990da81
YP		 2700 if (strcmp(field, us_field_names[i]) == 0)
2701 return (i);
2702 }
2703
2704 return (-1);
2705}
2706
0b7936d5
AS		 2707static int
2708us_compare(const void *larg, const void *rarg, void *unused)
2709{
2710 const us_node_t *l = larg;
2711 const us_node_t *r = rarg;
0b7936d5
AS		 2712 us_sort_info_t *si = (us_sort_info_t *)unused;
2713 zfs_sort_column_t *sortcol = si->si_sortcol;
5990da81 2714 boolean_t numname = si->si_numname;
0b7936d5
AS		 2715 nvlist_t *lnvl = l->usn_nvl;
2716 nvlist_t *rnvl = r->usn_nvl;
5990da81
YP		 2717 int rc = 0;
2718 boolean_t lvb, rvb;
0b7936d5
AS		 2719
2720 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
d1807f16
RY		 2721 const char *lvstr = "";
2722 const char *rvstr = "";
0b7936d5
AS		 2723 uint32_t lv32 = 0;
2724 uint32_t rv32 = 0;
2725 uint64_t lv64 = 0;
2726 uint64_t rv64 = 0;
2727 zfs_prop_t prop = sortcol->sc_prop;
2728 const char *propname = NULL;
2729 boolean_t reverse = sortcol->sc_reverse;
2730
2731 switch (prop) {
2732 case ZFS_PROP_TYPE:
2733 propname = "type";
2734 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
2735 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
2736 if (rv32 != lv32)
5990da81 2737 rc = (rv32 < lv32) ? 1 : -1;
0b7936d5
AS		 2738 break;
2739 case ZFS_PROP_NAME:
2740 propname = "name";
5990da81 2741 if (numname) {
88cfff18 2742compare_nums:
5990da81
YP		 2743 (void) nvlist_lookup_uint64(lnvl, propname,
2744 &lv64);
2745 (void) nvlist_lookup_uint64(rnvl, propname,
2746 &rv64);
2747 if (rv64 != lv64)
2748 rc = (rv64 < lv64) ? 1 : -1;
0b7936d5 2749 } else {
88cfff18 2750 if ((nvlist_lookup_string(lnvl, propname,
02730c33 2751 &lvstr) == ENOENT) ||
88cfff18 2752 (nvlist_lookup_string(rnvl, propname,
02730c33 2753 &rvstr) == ENOENT)) {
88cfff18
PB		 2754 goto compare_nums;
2755 }
0b7936d5
AS		 2756 rc = strcmp(lvstr, rvstr);
2757 }
2758 break;
0b7936d5
AS		 2759 case ZFS_PROP_USED:
2760 case ZFS_PROP_QUOTA:
5990da81
YP		 2761 if (!us_populated)
2762 break;
2763 if (prop == ZFS_PROP_USED)
0b7936d5
AS		 2764 propname = "used";
2765 else
2766 propname = "quota";
2767 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
2768 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
2769 if (rv64 != lv64)
5990da81
YP		 2770 rc = (rv64 < lv64) ? 1 : -1;
2771 break;
648a09ad 2772
0b7936d5
AS		 2773 default:
2774 break;
2775 }
2776
5990da81 2777 if (rc != 0) {
0b7936d5
AS		 2778 if (rc < 0)
2779 return (reverse ? 1 : -1);
2780 else
2781 return (reverse ? -1 : 1);
2782 }
2783 }
2784
5990da81
YP		 2785 /*
2786 * If entries still seem to be the same, check if they are of the same
2787 * type (smbentity is added only if we are doing SID to POSIX ID
2788 * translation where we can have duplicate type/name combinations).
2789 */
2790 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
2791 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
2792 lvb != rvb)
2793 return (lvb < rvb ? -1 : 1);
2794
2795 return (0);
0b7936d5
AS		 2796}
2797
1de321e6
JX		 2798static boolean_t
2799zfs_prop_is_user(unsigned p)
2800{
2801 return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA ||
2802 p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA);
2803}
2804
2805static boolean_t
2806zfs_prop_is_group(unsigned p)
2807{
2808 return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA ||
2809 p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA);
2810}
2811
9c5167d1
NF		 2812static boolean_t
2813zfs_prop_is_project(unsigned p)
2814{
2815 return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA ||
2816 p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA);
2817}
2818
0b7936d5
AS		 2819static inline const char *
2820us_type2str(unsigned field_type)
2821{
2822 switch (field_type) {
2823 case USTYPE_PSX_USR:
2824 return ("POSIX User");
2825 case USTYPE_PSX_GRP:
2826 return ("POSIX Group");
2827 case USTYPE_SMB_USR:
2828 return ("SMB User");
2829 case USTYPE_SMB_GRP:
2830 return ("SMB Group");
9c5167d1
NF		 2831 case USTYPE_PROJ:
2832 return ("Project");
0b7936d5
AS		 2833 default:
2834 return ("Undefined");
2835 }
2836}
2837
9babb374
BB		 2838static int
2839userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
2840{
0b7936d5
AS		 2841 us_cbdata_t *cb = (us_cbdata_t *)arg;
2842 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 2843 char *name = NULL;
a926aab9 2844 const char *propname;
9babb374 2845 char sizebuf[32];
0b7936d5
AS		 2846 us_node_t *node;
2847 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
2848 uu_avl_t *avl = cb->cb_avl;
2849 uu_avl_index_t idx;
2850 nvlist_t *props;
2851 us_node_t *n;
2852 zfs_sort_column_t *sortcol = cb->cb_sortcol;
5990da81 2853 unsigned type = 0;
0b7936d5
AS		 2854 const char *typestr;
2855 size_t namelen;
2856 size_t typelen;
2857 size_t sizelen;
5990da81 2858 int typeidx, nameidx, sizeidx;
0b7936d5 2859 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
5990da81 2860 boolean_t smbentity = B_FALSE;
9babb374 2861
5990da81
YP		 2862 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
2863 nomem();
2864 node = safe_malloc(sizeof (us_node_t));
2865 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2866 node->usn_nvl = props;
2867
2868 if (domain != NULL && domain[0] != '\0') {
0b7936d5 2869#ifdef HAVE_IDMAP
5990da81 2870 /* SMB */
eca7b760 2871 char sid[MAXNAMELEN + 32];
0b7936d5
AS		 2872 uid_t id;
2873 uint64_t classes;
5990da81 2874 int err;
0b7936d5
AS		 2875 directory_error_t e;
2876
5990da81
YP		 2877 smbentity = B_TRUE;
2878
0b7936d5 2879 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
5990da81 2880
0b7936d5
AS		 2881 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2882 type = USTYPE_SMB_GRP;
2883 err = sid_to_id(sid, B_FALSE, &id);
2884 } else {
2885 type = USTYPE_SMB_USR;
2886 err = sid_to_id(sid, B_TRUE, &id);
2887 }
2888
2889 if (err == 0) {
2890 rid = id;
5990da81
YP		 2891 if (!cb->cb_sid2posix) {
2892 e = directory_name_from_sid(NULL, sid, &name,
2893 &classes);
105afebb 2894 if (e != NULL)
5990da81 2895 directory_error_free(e);
5990da81
YP		 2896 if (name == NULL)
2897 name = sid;
0b7936d5 2898 }
0b7936d5
AS		 2899 }
2900#else
5990da81
YP		 2901 nvlist_free(props);
2902 free(node);
2903
0b7936d5
AS		 2904 return (-1);
2905#endif /* HAVE_IDMAP */
9babb374
BB		 2906 }
2907
5990da81
YP		 2908 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
2909 /* POSIX or -i */
1de321e6 2910 if (zfs_prop_is_group(prop)) {
5990da81
YP		 2911 type = USTYPE_PSX_GRP;
2912 if (!cb->cb_numname) {
2913 struct group *g;
0b7936d5 2914
5990da81
YP		 2915 if ((g = getgrgid(rid)) != NULL)
2916 name = g->gr_name;
2917 }
9c5167d1 2918 } else if (zfs_prop_is_user(prop)) {
5990da81
YP		 2919 type = USTYPE_PSX_USR;
2920 if (!cb->cb_numname) {
2921 struct passwd *p;
0b7936d5 2922
5990da81
YP		 2923 if ((p = getpwuid(rid)) != NULL)
2924 name = p->pw_name;
2925 }
9c5167d1
NF		 2926 } else {
2927 type = USTYPE_PROJ;
5990da81 2928 }
0b7936d5
AS		 2929 }
2930
5990da81
YP		 2931 /*
2932 * Make sure that the type/name combination is unique when doing
2933 * SID to POSIX ID translation (hence changing the type from SMB to
2934 * POSIX).
2935 */
2936 if (cb->cb_sid2posix &&
2937 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
2938 nomem();
2939
2940 /* Calculate/update width of TYPE field */
2941 typestr = us_type2str(type);
2942 typelen = strlen(gettext(typestr));
2943 typeidx = us_field_index("type");
2944 if (typelen > cb->cb_width[typeidx])
2945 cb->cb_width[typeidx] = typelen;
0b7936d5
AS		 2946 if (nvlist_add_uint32(props, "type", type) != 0)
2947 nomem();
2948
5990da81
YP		 2949 /* Calculate/update width of NAME field */
2950 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
2951 if (nvlist_add_uint64(props, "name", rid) != 0)
0b7936d5 2952 nomem();
5990da81 2953 namelen = snprintf(NULL, 0, "%u", rid);
0b7936d5
AS		 2954 } else {
2955 if (nvlist_add_string(props, "name", name) != 0)
2956 nomem();
2957 namelen = strlen(name);
2958 }
5990da81 2959 nameidx = us_field_index("name");
81eb8a1f 2960 if (nameidx >= 0 && namelen > cb->cb_width[nameidx])
5990da81 2961 cb->cb_width[nameidx] = namelen;
0b7936d5 2962
5990da81
YP		 2963 /*
2964 * Check if this type/name combination is in the list and update it;
2965 * otherwise add new node to the list.
2966 */
2967 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
0b7936d5 2968 uu_avl_insert(avl, node, idx);
5990da81 2969 } else {
0b7936d5
AS		 2970 nvlist_free(props);
2971 free(node);
2972 node = n;
2973 props = node->usn_nvl;
9babb374 2974 }
9babb374 2975
5990da81 2976 /* Calculate/update width of USED/QUOTA fields */
e7fbeb60 2977 if (cb->cb_nicenum) {
2978 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
9c5167d1
NF		 2979 prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2980 prop == ZFS_PROP_PROJECTUSED ||
2981 prop == ZFS_PROP_PROJECTQUOTA) {
e7fbeb60 2982 zfs_nicebytes(space, sizebuf, sizeof (sizebuf));
2983 } else {
2984 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2985 }
2986 } else {
5990da81
YP		 2987 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
2988 (u_longlong_t)space);
e7fbeb60 2989 }
5990da81 2990 sizelen = strlen(sizebuf);
9c5167d1
NF		 2991 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
2992 prop == ZFS_PROP_PROJECTUSED) {
5990da81
YP		 2993 propname = "used";
2994 if (!nvlist_exists(props, "quota"))
2995 (void) nvlist_add_uint64(props, "quota", 0);
9c5167d1
NF		 2996 } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2997 prop == ZFS_PROP_PROJECTQUOTA) {
5990da81
YP		 2998 propname = "quota";
2999 if (!nvlist_exists(props, "used"))
3000 (void) nvlist_add_uint64(props, "used", 0);
1de321e6 3001 } else if (prop == ZFS_PROP_USEROBJUSED ||
9c5167d1 3002 prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) {
1de321e6
JX		 3003 propname = "objused";
3004 if (!nvlist_exists(props, "objquota"))
3005 (void) nvlist_add_uint64(props, "objquota", 0);
3006 } else if (prop == ZFS_PROP_USEROBJQUOTA ||
9c5167d1
NF		 3007 prop == ZFS_PROP_GROUPOBJQUOTA ||
3008 prop == ZFS_PROP_PROJECTOBJQUOTA) {
1de321e6
JX		 3009 propname = "objquota";
3010 if (!nvlist_exists(props, "objused"))
3011 (void) nvlist_add_uint64(props, "objused", 0);
3012 } else {
3013 return (-1);
5990da81
YP		 3014 }
3015 sizeidx = us_field_index(propname);
81eb8a1f 3016 if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx])
5990da81
YP		 3017 cb->cb_width[sizeidx] = sizelen;
3018
0b7936d5
AS		 3019 if (nvlist_add_uint64(props, propname, space) != 0)
3020 nomem();
3021
3022 return (0);
3023}
3024
0b7936d5 3025static void
5990da81
YP		 3026print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
3027 size_t *width, us_node_t *node)
0b7936d5
AS		 3028{
3029 nvlist_t *nvl = node->usn_nvl;
eca7b760 3030 char valstr[MAXNAMELEN];
0b7936d5 3031 boolean_t first = B_TRUE;
5990da81
YP		 3032 int cfield = 0;
3033 int field;
3034 uint32_t ustype;
3035
3036 /* Check type */
3037 (void) nvlist_lookup_uint32(nvl, "type", &ustype);
3038 if (!(ustype & types))
3039 return;
3040
3041 while ((field = fields[cfield]) != USFIELD_LAST) {
3042 nvpair_t *nvp = NULL;
3043 data_type_t type;
a926aab9
AZ		 3044 uint32_t val32 = -1;
3045 uint64_t val64 = -1;
3046 const char *strval = "-";
5990da81 3047
a926aab9 3048 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL)
5990da81
YP		 3049 if (strcmp(nvpair_name(nvp),
3050 us_field_names[field]) == 0)
0b7936d5 3051 break;
0b7936d5 3052
1de321e6 3053 type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp);
0b7936d5
AS		 3054 switch (type) {
3055 case DATA_TYPE_UINT32:
a926aab9 3056 val32 = fnvpair_value_uint32(nvp);
0b7936d5
AS		 3057 break;
3058 case DATA_TYPE_UINT64:
a926aab9 3059 val64 = fnvpair_value_uint64(nvp);
0b7936d5
AS		 3060 break;
3061 case DATA_TYPE_STRING:
a926aab9 3062 strval = fnvpair_value_string(nvp);
0b7936d5 3063 break;
1de321e6
JX		 3064 case DATA_TYPE_UNKNOWN:
3065 break;
0b7936d5 3066 default:
5990da81 3067 (void) fprintf(stderr, "invalid data type\n");
0b7936d5
AS		 3068 }
3069
3070 switch (field) {
3071 case USFIELD_TYPE:
1de321e6 3072 if (type == DATA_TYPE_UINT32)
a926aab9 3073 strval = us_type2str(val32);
0b7936d5
AS		 3074 break;
3075 case USFIELD_NAME:
3076 if (type == DATA_TYPE_UINT64) {
3077 (void) sprintf(valstr, "%llu",
02730c33 3078 (u_longlong_t)val64);
0b7936d5
AS		 3079 strval = valstr;
3080 }
0b7936d5
AS		 3081 break;
3082 case USFIELD_USED:
3083 case USFIELD_QUOTA:
e7fbeb60 3084 if (type == DATA_TYPE_UINT64) {
3085 if (parsable) {
3086 (void) sprintf(valstr, "%llu",
3087 (u_longlong_t)val64);
3088 strval = valstr;
3089 } else if (field == USFIELD_QUOTA &&
3090 val64 == 0) {
3091 strval = "none";
3092 } else {
3093 zfs_nicebytes(val64, valstr,
3094 sizeof (valstr));
3095 strval = valstr;
3096 }
3097 }
3098 break;
1de321e6
JX		 3099 case USFIELD_OBJUSED:
3100 case USFIELD_OBJQUOTA:
0b7936d5 3101 if (type == DATA_TYPE_UINT64) {
5990da81 3102 if (parsable) {
0b7936d5 3103 (void) sprintf(valstr, "%llu",
02730c33 3104 (u_longlong_t)val64);
e7fbeb60 3105 strval = valstr;
3106 } else if (field == USFIELD_OBJQUOTA &&
3107 val64 == 0) {
3108 strval = "none";
5990da81 3109 } else {
0b7936d5
AS		 3110 zfs_nicenum(val64, valstr,
3111 sizeof (valstr));
5990da81 3112 strval = valstr;
e7fbeb60 3113 }
0b7936d5 3114 }
0b7936d5
AS		 3115 break;
3116 }
3117
5990da81
YP		 3118 if (!first) {
3119 if (scripted)
a926aab9 3120 (void) putchar('\t');
0b7936d5 3121 else
a926aab9 3122 (void) fputs(" ", stdout);
0b7936d5 3123 }
5990da81 3124 if (scripted)
a926aab9 3125 (void) fputs(strval, stdout);
5990da81 3126 else if (field == USFIELD_TYPE || field == USFIELD_NAME)
02730c33 3127 (void) printf("%-*s", (int)width[field], strval);
5990da81 3128 else
02730c33 3129 (void) printf("%*s", (int)width[field], strval);
0b7936d5
AS		 3130
3131 first = B_FALSE;
5990da81 3132 cfield++;
0b7936d5
AS		 3133 }
3134
a926aab9 3135 (void) putchar('\n');
0b7936d5
AS		 3136}
3137
3138static void
5990da81
YP		 3139print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
3140 size_t *width, boolean_t rmnode, uu_avl_t *avl)
0b7936d5 3141{
0b7936d5
AS		 3142 us_node_t *node;
3143 const char *col;
5990da81
YP		 3144 int cfield = 0;
3145 int field;
0b7936d5
AS		 3146
3147 if (!scripted) {
3148 boolean_t first = B_TRUE;
5990da81
YP		 3149
3150 while ((field = fields[cfield]) != USFIELD_LAST) {
3151 col = gettext(us_field_hdr[field]);
3152 if (field == USFIELD_TYPE || field == USFIELD_NAME) {
3153 (void) printf(first ? "%-*s" : " %-*s",
02730c33 3154 (int)width[field], col);
5990da81
YP		 3155 } else {
3156 (void) printf(first ? "%*s" : " %*s",
02730c33 3157 (int)width[field], col);
5990da81 3158 }
0b7936d5 3159 first = B_FALSE;
5990da81 3160 cfield++;
0b7936d5
AS		 3161 }
3162 (void) printf("\n");
3163 }
3164
5990da81
YP		 3165 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
3166 print_us_node(scripted, parsable, fields, types, width, node);
0b7936d5
AS		 3167 if (rmnode)
3168 nvlist_free(node->usn_nvl);
3169 }
3170}
3171
9babb374
BB		 3172static int
3173zfs_do_userspace(int argc, char **argv)
3174{
3175 zfs_handle_t *zhp;
3176 zfs_userquota_prop_t p;
0b7936d5
AS		 3177 uu_avl_pool_t *avl_pool;
3178 uu_avl_t *avl_tree;
3179 uu_avl_walk_t *walk;
5990da81 3180 char *delim;
1de321e6 3181 char deffields[] = "type,name,used,quota,objused,objquota";
5990da81
YP		 3182 char *ofield = NULL;
3183 char *tfield = NULL;
3184 int cfield = 0;
3185 int fields[256];
3186 int i;
0b7936d5
AS		 3187 boolean_t scripted = B_FALSE;
3188 boolean_t prtnum = B_FALSE;
5990da81 3189 boolean_t parsable = B_FALSE;
0b7936d5 3190 boolean_t sid2posix = B_FALSE;
105afebb 3191 int ret = 0;
0b7936d5 3192 int c;
0b7936d5 3193 zfs_sort_column_t *sortcol = NULL;
5990da81 3194 int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
0b7936d5
AS		 3195 us_cbdata_t cb;
3196 us_node_t *node;
5990da81
YP		 3197 us_node_t *rmnode;
3198 uu_list_pool_t *listpool;
3199 uu_list_t *list;
3200 uu_avl_index_t idx = 0;
3201 uu_list_index_t idx2 = 0;
0b7936d5
AS		 3202
3203 if (argc < 2)
3204 usage(B_FALSE);
3205
9c5167d1 3206 if (strcmp(argv[0], "groupspace") == 0) {
5990da81 3207 /* Toggle default group types */
0b7936d5 3208 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
9c5167d1
NF		 3209 } else if (strcmp(argv[0], "projectspace") == 0) {
3210 types = USTYPE_PROJ;
3211 prtnum = B_TRUE;
3212 }
0b7936d5 3213
0b7936d5
AS		 3214 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
3215 switch (c) {
3216 case 'n':
9c5167d1
NF		 3217 if (types == USTYPE_PROJ) {
3218 (void) fprintf(stderr,
3219 gettext("invalid option 'n'\n"));
3220 usage(B_FALSE);
3221 }
0b7936d5
AS		 3222 prtnum = B_TRUE;
3223 break;
3224 case 'H':
3225 scripted = B_TRUE;
3226 break;
3227 case 'p':
5990da81 3228 parsable = B_TRUE;
0b7936d5
AS		 3229 break;
3230 case 'o':
5990da81 3231 ofield = optarg;
0b7936d5
AS		 3232 break;
3233 case 's':
0b7936d5
AS		 3234 case 'S':
3235 if (zfs_add_sort_column(&sortcol, optarg,
5990da81 3236 c == 's' ? B_FALSE : B_TRUE) != 0) {
0b7936d5 3237 (void) fprintf(stderr,
5990da81 3238 gettext("invalid field '%s'\n"), optarg);
0b7936d5
AS		 3239 usage(B_FALSE);
3240 }
3241 break;
3242 case 't':
9c5167d1
NF		 3243 if (types == USTYPE_PROJ) {
3244 (void) fprintf(stderr,
3245 gettext("invalid option 't'\n"));
3246 usage(B_FALSE);
3247 }
5990da81 3248 tfield = optarg;
0b7936d5
AS		 3249 break;
3250 case 'i':
9c5167d1
NF		 3251 if (types == USTYPE_PROJ) {
3252 (void) fprintf(stderr,
3253 gettext("invalid option 'i'\n"));
3254 usage(B_FALSE);
3255 }
0b7936d5
AS		 3256 sid2posix = B_TRUE;
3257 break;
3258 case ':':
3259 (void) fprintf(stderr, gettext("missing argument for "
3260 "'%c' option\n"), optopt);
3261 usage(B_FALSE);
3262 break;
3263 case '?':
3264 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3265 optopt);
3266 usage(B_FALSE);
3267 }
3268 }
3269
3270 argc -= optind;
3271 argv += optind;
3272
5990da81
YP		 3273 if (argc < 1) {
3274 (void) fprintf(stderr, gettext("missing dataset name\n"));
3275 usage(B_FALSE);
3276 }
3277 if (argc > 1) {
3278 (void) fprintf(stderr, gettext("too many arguments\n"));
3279 usage(B_FALSE);
0b7936d5
AS		 3280 }
3281
5990da81
YP		 3282 /* Use default output fields if not specified using -o */
3283 if (ofield == NULL)
3284 ofield = deffields;
3285 do {
3286 if ((delim = strchr(ofield, ',')) != NULL)
3287 *delim = '\0';
3288 if ((fields[cfield++] = us_field_index(ofield)) == -1) {
3289 (void) fprintf(stderr, gettext("invalid type '%s' "
3290 "for -o option\n"), ofield);
3291 return (-1);
3292 }
3293 if (delim != NULL)
3294 ofield = delim + 1;
3295 } while (delim != NULL);
3296 fields[cfield] = USFIELD_LAST;
3297
3298 /* Override output types (-t option) */
3299 if (tfield != NULL) {
3300 types = 0;
3301
3302 do {
3303 boolean_t found = B_FALSE;
3304
3305 if ((delim = strchr(tfield, ',')) != NULL)
3306 *delim = '\0';
3307 for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
3308 i++) {
3309 if (strcmp(tfield, us_type_names[i]) == 0) {
3310 found = B_TRUE;
3311 types |= us_type_bits[i];
3312 break;
3313 }
3314 }
3315 if (!found) {
3316 (void) fprintf(stderr, gettext("invalid type "
3317 "'%s' for -t option\n"), tfield);
3318 return (-1);
3319 }
3320 if (delim != NULL)
3321 tfield = delim + 1;
3322 } while (delim != NULL);
3323 }
9babb374 3324
cf266775 3325 if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
7646af20 3326 ZFS_TYPE_SNAPSHOT)) == NULL)
9babb374 3327 return (1);
757df529 3328 if (zfs_get_underlying_type(zhp) != ZFS_TYPE_FILESYSTEM) {
7646af20 3329 (void) fprintf(stderr, gettext("operation is only applicable "
3330 "to filesystems and their snapshots\n"));
3331 zfs_close(zhp);
3332 return (1);
3333 }
9babb374 3334
0b7936d5 3335 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
5990da81 3336 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
0b7936d5
AS		 3337 nomem();
3338 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
3339 nomem();
3340
5990da81
YP		 3341 /* Always add default sorting columns */
3342 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
3343 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
3344
3345 cb.cb_sortcol = sortcol;
0b7936d5 3346 cb.cb_numname = prtnum;
5990da81 3347 cb.cb_nicenum = !parsable;
0b7936d5
AS		 3348 cb.cb_avl_pool = avl_pool;
3349 cb.cb_avl = avl_tree;
3350 cb.cb_sid2posix = sid2posix;
5990da81
YP		 3351
3352 for (i = 0; i < USFIELD_LAST; i++)
3353 cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
9babb374
BB		 3354
3355 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
1de321e6 3356 if ((zfs_prop_is_user(p) &&
5990da81 3357 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
1de321e6 3358 (zfs_prop_is_group(p) &&
9c5167d1
NF		 3359 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) ||
3360 (zfs_prop_is_project(p) && types != USTYPE_PROJ))
0b7936d5 3361 continue;
1de321e6 3362
0b7936d5 3363 cb.cb_prop = p;
7646af20 3364 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) {
3365 zfs_close(zhp);
105afebb 3366 return (ret);
7646af20 3367 }
9babb374 3368 }
7646af20 3369 zfs_close(zhp);
0b7936d5 3370
5990da81 3371 /* Sort the list */
105afebb
YP		 3372 if ((node = uu_avl_first(avl_tree)) == NULL)
3373 return (0);
3374
5990da81 3375 us_populated = B_TRUE;
105afebb 3376
5990da81
YP		 3377 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
3378 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
3379 list = uu_list_create(listpool, NULL, UU_DEFAULT);
5990da81 3380 uu_list_node_init(node, &node->usn_listnode, listpool);
0b7936d5 3381
5990da81
YP		 3382 while (node != NULL) {
3383 rmnode = node;
3384 node = uu_avl_next(avl_tree, node);
3385 uu_avl_remove(avl_tree, rmnode);
3386 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
3387 uu_list_insert(list, rmnode, idx2);
3388 }
0b7936d5 3389
5990da81
YP		 3390 for (node = uu_list_first(list); node != NULL;
3391 node = uu_list_next(list, node)) {
3392 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
3393
3394 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
3395 uu_avl_insert(avl_tree, node, idx);
0b7936d5
AS		 3396 }
3397
5990da81
YP		 3398 uu_list_destroy(list);
3399 uu_list_pool_destroy(listpool);
0b7936d5 3400
5990da81
YP		 3401 /* Print and free node nvlist memory */
3402 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
3403 cb.cb_avl);
0b7936d5 3404
5990da81
YP		 3405 zfs_free_sort_columns(sortcol);
3406
3407 /* Clean up the AVL tree */
0b7936d5
AS		 3408 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
3409 nomem();
3410
3411 while ((node = uu_avl_walk_next(walk)) != NULL) {
3412 uu_avl_remove(cb.cb_avl, node);
3413 free(node);
3414 }
3415
3416 uu_avl_walk_end(walk);
3417 uu_avl_destroy(avl_tree);
3418 uu_avl_pool_destroy(avl_pool);
3419
105afebb 3420 return (ret);
9babb374
BB		 3421}
3422
3423/*
54d5378f
YP		 3424 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
3425 * [-t type[,...]] [filesystem|volume|snapshot] ...
34dc7c2f 3426 *
54d5378f
YP		 3427 * -H Scripted mode; elide headers and separate columns by tabs
3428 * -p Display values in parsable (literal) format.
428870ff
BB		 3429 * -r Recurse over all children
3430 * -d Limit recursion by depth.
428870ff 3431 * -o Control which fields to display.
34dc7c2f
BB		 3432 * -s Specify sort columns, descending order.
3433 * -S Specify sort columns, ascending order.
54d5378f 3434 * -t Control which object types to display.
34dc7c2f 3435 *
54d5378f 3436 * When given no arguments, list all filesystems in the system.
34dc7c2f
BB		 3437 * Otherwise, list the specified datasets, optionally recursing down them if
3438 * '-r' is specified.
3439 */
3440typedef struct list_cbdata {
3441 boolean_t cb_first;
54d5378f 3442 boolean_t cb_literal;
34dc7c2f
BB		 3443 boolean_t cb_scripted;
3444 zprop_list_t *cb_proplist;
3445} list_cbdata_t;
3446
3447/*
3448 * Given a list of columns to display, output appropriate headers for each one.
3449 */
3450static void
54d5378f 3451print_header(list_cbdata_t *cb)
34dc7c2f 3452{
54d5378f 3453 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3454 char headerbuf[ZFS_MAXPROPLEN];
3455 const char *header;
3456 int i;
3457 boolean_t first = B_TRUE;
3458 boolean_t right_justify;
3459
2bd0490f
TR		 3460 color_start(ANSI_BOLD);
3461
34dc7c2f
BB		 3462 for (; pl != NULL; pl = pl->pl_next) {
3463 if (!first) {
3464 (void) printf(" ");
3465 } else {
3466 first = B_FALSE;
3467 }
3468
3469 right_justify = B_FALSE;
4ff7a8fa 3470 if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f
BB		 3471 header = zfs_prop_column_name(pl->pl_prop);
3472 right_justify = zfs_prop_align_right(pl->pl_prop);
3473 } else {
3474 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
3475 headerbuf[i] = toupper(pl->pl_user_prop[i]);
3476 headerbuf[i] = '\0';
3477 header = headerbuf;
3478 }
3479
3480 if (pl->pl_next == NULL && !right_justify)
3481 (void) printf("%s", header);
3482 else if (right_justify)
b8864a23 3483 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 3484 else
b8864a23 3485 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 3486 }
3487
2bd0490f
TR		 3488 color_end();
3489
34dc7c2f
BB		 3490 (void) printf("\n");
3491}
3492
2bd0490f
TR		 3493/*
3494 * Decides on the color that the avail value should be printed in.
3495 * > 80% used = yellow
3496 * > 90% used = red
3497 */
3498static const char *
3499zfs_list_avail_color(zfs_handle_t *zhp)
3500{
3501 uint64_t used = zfs_prop_get_int(zhp, ZFS_PROP_USED);
3502 uint64_t avail = zfs_prop_get_int(zhp, ZFS_PROP_AVAILABLE);
3503 int percentage = (int)((double)avail / MAX(avail + used, 1) * 100);
3504
3505 if (percentage > 20)
3506 return (NULL);
3507 else if (percentage > 10)
3508 return (ANSI_YELLOW);
3509 else
3510 return (ANSI_RED);
3511}
3512
34dc7c2f
BB		 3513/*
3514 * Given a dataset and a list of fields, print out all the properties according
3515 * to the described layout.
3516 */
3517static void
54d5378f 3518print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
34dc7c2f 3519{
54d5378f 3520 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3521 boolean_t first = B_TRUE;
3522 char property[ZFS_MAXPROPLEN];
3523 nvlist_t *userprops = zfs_get_user_props(zhp);
3524 nvlist_t *propval;
a926aab9 3525 const char *propstr;
34dc7c2f 3526 boolean_t right_justify;
34dc7c2f
BB		 3527
3528 for (; pl != NULL; pl = pl->pl_next) {
3529 if (!first) {
54d5378f 3530 if (cb->cb_scripted)
a926aab9 3531 (void) putchar('\t');
34dc7c2f 3532 else
a926aab9 3533 (void) fputs(" ", stdout);
34dc7c2f
BB		 3534 } else {
3535 first = B_FALSE;
3536 }
3537
0cee2406
PJD		 3538 if (pl->pl_prop == ZFS_PROP_NAME) {
3539 (void) strlcpy(property, zfs_get_name(zhp),
d1d7e268 3540 sizeof (property));
0cee2406
PJD		 3541 propstr = property;
3542 right_justify = zfs_prop_align_right(pl->pl_prop);
4ff7a8fa 3543 } else if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f 3544 if (zfs_prop_get(zhp, pl->pl_prop, property,
54d5378f 3545 sizeof (property), NULL, NULL, 0,
d1d7e268 3546 cb->cb_literal) != 0)
34dc7c2f
BB		 3547 propstr = "-";
3548 else
3549 propstr = property;
34dc7c2f 3550 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 3551 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
3552 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
54d5378f 3553 property, sizeof (property), cb->cb_literal) != 0)
9babb374
BB		 3554 propstr = "-";
3555 else
3556 propstr = property;
3557 right_justify = B_TRUE;
330d06f9
MA		 3558 } else if (zfs_prop_written(pl->pl_user_prop)) {
3559 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
54d5378f 3560 property, sizeof (property), cb->cb_literal) != 0)
330d06f9
MA		 3561 propstr = "-";
3562 else
3563 propstr = property;
3564 right_justify = B_TRUE;
34dc7c2f
BB		 3565 } else {
3566 if (nvlist_lookup_nvlist(userprops,
3567 pl->pl_user_prop, &propval) != 0)
3568 propstr = "-";
3569 else
a926aab9
AZ		 3570 propstr = fnvlist_lookup_string(propval,
3571 ZPROP_VALUE);
9babb374 3572 right_justify = B_FALSE;
34dc7c2f
BB		 3573 }
3574
6ecdd35b
TR		 3575 /*
3576 * zfs_list_avail_color() needs ZFS_PROP_AVAILABLE + USED
3577 * - so we need another for() search for the USED part
3578 * - when no colors wanted, we can skip the whole thing
3579 */
3580 if (use_color() && pl->pl_prop == ZFS_PROP_AVAILABLE) {
3581 zprop_list_t *pl2 = cb->cb_proplist;
3582 for (; pl2 != NULL; pl2 = pl2->pl_next) {
3583 if (pl2->pl_prop == ZFS_PROP_USED) {
3584 color_start(zfs_list_avail_color(zhp));
3585 /* found it, no need for more loops */
3586 break;
3587 }
3588 }
3589 }
2bd0490f 3590
34dc7c2f
BB		 3591 /*
3592 * If this is being called in scripted mode, or if this is the
3593 * last column and it is left-justified, don't include a width
3594 * format specifier.
3595 */
54d5378f 3596 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
a926aab9 3597 (void) fputs(propstr, stdout);
34dc7c2f 3598 else if (right_justify)
54d5378f 3599 (void) printf("%*s", (int)pl->pl_width, propstr);
34dc7c2f 3600 else
54d5378f 3601 (void) printf("%-*s", (int)pl->pl_width, propstr);
2bd0490f
TR		 3602
3603 if (pl->pl_prop == ZFS_PROP_AVAILABLE)
3604 color_end();
34dc7c2f
BB		 3605 }
3606
a926aab9 3607 (void) putchar('\n');
34dc7c2f
BB		 3608}
3609
3610/*
3611 * Generic callback function to list a dataset or snapshot.
3612 */
3613static int
3614list_callback(zfs_handle_t *zhp, void *data)
3615{
3616 list_cbdata_t *cbp = data;
3617
3618 if (cbp->cb_first) {
3619 if (!cbp->cb_scripted)
54d5378f 3620 print_header(cbp);
34dc7c2f
BB		 3621 cbp->cb_first = B_FALSE;
3622 }
3623
54d5378f 3624 print_dataset(zhp, cbp);
34dc7c2f
BB		 3625
3626 return (0);
3627}
3628
3629static int
3630zfs_do_list(int argc, char **argv)
3631{
3632 int c;
40f09cb0 3633 char default_fields[] =
34dc7c2f 3634 "name,used,available,referenced,mountpoint";
d164b209 3635 int types = ZFS_TYPE_DATASET;
b128c09f 3636 boolean_t types_specified = B_FALSE;
40f09cb0 3637 char *fields = default_fields;
34dc7c2f 3638 list_cbdata_t cb = { 0 };
9babb374 3639 int limit = 0;
ad60af8e 3640 int ret = 0;
34dc7c2f 3641 zfs_sort_column_t *sortcol = NULL;
b128c09f 3642 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 3643
3644 /* check options */
54d5378f 3645 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
34dc7c2f
BB		 3646 switch (c) {
3647 case 'o':
3648 fields = optarg;
3649 break;
54d5378f
YP		 3650 case 'p':
3651 cb.cb_literal = B_TRUE;
3652 flags |= ZFS_ITER_LITERAL_PROPS;
3653 break;
9babb374
BB		 3654 case 'd':
3655 limit = parse_depth(optarg, &flags);
3656 break;
34dc7c2f 3657 case 'r':
b128c09f 3658 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 3659 break;
3660 case 'H':
54d5378f 3661 cb.cb_scripted = B_TRUE;
34dc7c2f
BB		 3662 break;
3663 case 's':
3664 if (zfs_add_sort_column(&sortcol, optarg,
3665 B_FALSE) != 0) {
3666 (void) fprintf(stderr,
3667 gettext("invalid property '%s'\n"), optarg);
3668 usage(B_FALSE);
3669 }
3670 break;
3671 case 'S':
3672 if (zfs_add_sort_column(&sortcol, optarg,
3673 B_TRUE) != 0) {
3674 (void) fprintf(stderr,
3675 gettext("invalid property '%s'\n"), optarg);
3676 usage(B_FALSE);
3677 }
3678 break;
3679 case 't':
3680 types = 0;
b128c09f
BB		 3681 types_specified = B_TRUE;
3682 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
40f09cb0
AZ		 3683
3684 for (char *tok; (tok = strsep(&optarg, ",")); ) {
3685 static const char *const type_subopts[] = {
a5a72544
RN		 3686 "filesystem",
3687 "fs",
3688 "volume",
3689 "vol",
3690 "snapshot",
3691 "snap",
40f09cb0 3692 "bookmark",
a5a72544
RN		 3693 "all"
3694 };
40f09cb0 3695 static const int type_types[] = {
a5a72544
RN		 3696 ZFS_TYPE_FILESYSTEM,
3697 ZFS_TYPE_FILESYSTEM,
3698 ZFS_TYPE_VOLUME,
3699 ZFS_TYPE_VOLUME,
3700 ZFS_TYPE_SNAPSHOT,
3701 ZFS_TYPE_SNAPSHOT,
40f09cb0 3702 ZFS_TYPE_BOOKMARK,
a5a72544
RN		 3703 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK
3704 };
40f09cb0
AZ		 3705
3706 for (c = 0; c < ARRAY_SIZE(type_subopts); ++c)
3707 if (strcmp(tok, type_subopts[c]) == 0) {
3708 types |= type_types[c];
3709 goto found3;
3710 }
3711
3712 (void) fprintf(stderr,
3713 gettext("invalid type '%s'\n"), tok);
3714 usage(B_FALSE);
3715found3:;
34dc7c2f
BB		 3716 }
3717 break;
3718 case ':':
3719 (void) fprintf(stderr, gettext("missing argument for "
3720 "'%c' option\n"), optopt);
3721 usage(B_FALSE);
3722 break;
3723 case '?':
3724 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3725 optopt);
3726 usage(B_FALSE);
3727 }
3728 }
3729
3730 argc -= optind;
3731 argv += optind;
3732
b128c09f
BB		 3733 /*
3734 * If "-o space" and no types were specified, don't display snapshots.
3735 */
3736 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
3737 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f 3738
df583073 3739 /*
8221bcf1
I		 3740 * Handle users who want to list all snapshots or bookmarks
3741 * of the current dataset (ex. 'zfs list -t snapshot <dataset>').
df583073 3742 */
8221bcf1
I		 3743 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
3744 argc > 0 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 3745 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
3746 limit = 1;
3747 }
3748
34dc7c2f
BB		 3749 /*
3750 * If the user specifies '-o all', the zprop_get_list() doesn't
3751 * normally include the name of the dataset. For 'zfs list', we always
3752 * want this property to be first.
3753 */
3754 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
3755 != 0)
3756 usage(B_FALSE);
3757
34dc7c2f
BB		 3758 cb.cb_first = B_TRUE;
3759
dc95911d
AJ		 3760 /*
3761 * If we are only going to list and sort by properties that are "fast"
3762 * then we can use "simple" mode and avoid populating the properties
3763 * nvlist.
3764 */
3765 if (zfs_list_only_by_fast(cb.cb_proplist) &&
3766 zfs_sort_only_by_fast(sortcol))
3767 flags |= ZFS_ITER_SIMPLE;
3768
b128c09f 3769 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 3770 limit, list_callback, &cb);
34dc7c2f
BB		 3771
3772 zprop_free_list(cb.cb_proplist);
3773 zfs_free_sort_columns(sortcol);
3774
3775 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
42cb3819 3776 (void) fprintf(stderr, gettext("no datasets available\n"));
34dc7c2f
BB		 3777
3778 return (ret);
3779}
3780
3781/*
7b4e2723 3782 * zfs rename [-fu] <fs | snap | vol> <fs | snap | vol>
db49968e 3783 * zfs rename [-f] -p <fs | vol> <fs | vol>
7b4e2723 3784 * zfs rename [-u] -r <snap> <snap>
34dc7c2f
BB		 3785 *
3786 * Renames the given dataset to another of the same type.
3787 *
3788 * The '-p' flag creates all the non-existing ancestors of the target first.
7b4e2723 3789 * The '-u' flag prevents file systems from being remounted during rename.
34dc7c2f 3790 */
34dc7c2f
BB		 3791static int
3792zfs_do_rename(int argc, char **argv)
3793{
3794 zfs_handle_t *zhp;
7b4e2723 3795 renameflags_t flags = { 0 };
34dc7c2f 3796 int c;
ad60af8e 3797 int ret = 0;
7b4e2723 3798 int types;
34dc7c2f
BB		 3799 boolean_t parents = B_FALSE;
3800
3801 /* check options */
7b4e2723 3802 while ((c = getopt(argc, argv, "pruf")) != -1) {
34dc7c2f
BB		 3803 switch (c) {
3804 case 'p':
3805 parents = B_TRUE;
3806 break;
3807 case 'r':
7b4e2723
RM		 3808 flags.recursive = B_TRUE;
3809 break;
3810 case 'u':
3811 flags.nounmount = B_TRUE;
34dc7c2f 3812 break;
db49968e 3813 case 'f':
7b4e2723 3814 flags.forceunmount = B_TRUE;
db49968e 3815 break;
34dc7c2f
BB		 3816 case '?':
3817 default:
3818 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3819 optopt);
3820 usage(B_FALSE);
3821 }
3822 }
3823
3824 argc -= optind;
3825 argv += optind;
3826
3827 /* check number of arguments */
3828 if (argc < 1) {
3829 (void) fprintf(stderr, gettext("missing source dataset "
3830 "argument\n"));
3831 usage(B_FALSE);
3832 }
3833 if (argc < 2) {
3834 (void) fprintf(stderr, gettext("missing target dataset "
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
7b4e2723 3843 if (flags.recursive && parents) {
34dc7c2f
BB		 3844 (void) fprintf(stderr, gettext("-p and -r options are mutually "
3845 "exclusive\n"));
3846 usage(B_FALSE);
3847 }
3848
7b4e2723
RM		 3849 if (flags.nounmount && parents) {
3850 (void) fprintf(stderr, gettext("-u and -p options are mutually "
3851 "exclusive\n"));
3852 usage(B_FALSE);
3853 }
3854
3855 if (flags.recursive && strchr(argv[0], '@') == 0) {
34dc7c2f
BB		 3856 (void) fprintf(stderr, gettext("source dataset for recursive "
3857 "rename must be a snapshot\n"));
3858 usage(B_FALSE);
3859 }
3860
7b4e2723
RM		 3861 if (flags.nounmount)
3862 types = ZFS_TYPE_FILESYSTEM;
3863 else if (parents)
3864 types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
3865 else
3866 types = ZFS_TYPE_DATASET;
3867
3868 if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
34dc7c2f
BB		 3869 return (1);
3870
3871 /* If we were asked and the name looks good, try to create ancestors. */
3872 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
3873 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
3874 zfs_close(zhp);
3875 return (1);
3876 }
3877
7b4e2723 3878 ret = (zfs_rename(zhp, argv[1], flags) != 0);
34dc7c2f
BB		 3879
3880 zfs_close(zhp);
3881 return (ret);
3882}
3883
3884/*
3885 * zfs promote <fs>
3886 *
3887 * Promotes the given clone fs to be the parent
3888 */
34dc7c2f
BB		 3889static int
3890zfs_do_promote(int argc, char **argv)
3891{
3892 zfs_handle_t *zhp;
ad60af8e 3893 int ret = 0;
34dc7c2f
BB		 3894
3895 /* check options */
3896 if (argc > 1 && argv[1][0] == '-') {
3897 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3898 argv[1][1]);
3899 usage(B_FALSE);
3900 }
3901
3902 /* check number of arguments */
3903 if (argc < 2) {
3904 (void) fprintf(stderr, gettext("missing clone filesystem"
3905 " argument\n"));
3906 usage(B_FALSE);
3907 }
3908 if (argc > 2) {
3909 (void) fprintf(stderr, gettext("too many arguments\n"));
3910 usage(B_FALSE);
3911 }
3912
3913 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3914 if (zhp == NULL)
3915 return (1);
3916
3917 ret = (zfs_promote(zhp) != 0);
3918
3919
3920 zfs_close(zhp);
3921 return (ret);
3922}
3923
30af21b0
PD		 3924static int
3925zfs_do_redact(int argc, char **argv)
3926{
3927 char *snap = NULL;
3928 char *bookname = NULL;
3929 char **rsnaps = NULL;
3930 int numrsnaps = 0;
3931 argv++;
3932 argc--;
3933 if (argc < 3) {
3b5fe2c3 3934 (void) fprintf(stderr, gettext("too few arguments\n"));
30af21b0
PD		 3935 usage(B_FALSE);
3936 }
3937
3938 snap = argv[0];
3939 bookname = argv[1];
3940 rsnaps = argv + 2;
3941 numrsnaps = argc - 2;
3942
3943 nvlist_t *rsnapnv = fnvlist_alloc();
3944
3945 for (int i = 0; i < numrsnaps; i++) {
3946 fnvlist_add_boolean(rsnapnv, rsnaps[i]);
3947 }
3948
3949 int err = lzc_redact(snap, bookname, rsnapnv);
3950 fnvlist_free(rsnapnv);
3951
3952 switch (err) {
3953 case 0:
3954 break;
d9e64a40
PD		 3955 case ENOENT: {
3956 zfs_handle_t *zhp = zfs_open(g_zfs, snap, ZFS_TYPE_SNAPSHOT);
3957 if (zhp == NULL) {
3958 (void) fprintf(stderr, gettext("provided snapshot %s "
3959 "does not exist\n"), snap);
3960 } else {
3961 zfs_close(zhp);
3962 }
3963 for (int i = 0; i < numrsnaps; i++) {
3964 zhp = zfs_open(g_zfs, rsnaps[i], ZFS_TYPE_SNAPSHOT);
3965 if (zhp == NULL) {
3966 (void) fprintf(stderr, gettext("provided "
3967 "snapshot %s does not exist\n"), rsnaps[i]);
3968 } else {
3969 zfs_close(zhp);
3970 }
3971 }
30af21b0 3972 break;
d9e64a40 3973 }
30af21b0
PD		 3974 case EEXIST:
3975 (void) fprintf(stderr, gettext("specified redaction bookmark "
3b5fe2c3 3976 "(%s) provided already exists\n"), bookname);
30af21b0
PD		 3977 break;
3978 case ENAMETOOLONG:
3979 (void) fprintf(stderr, gettext("provided bookmark name cannot "
3b5fe2c3 3980 "be used, final name would be too long\n"));
30af21b0
PD		 3981 break;
3982 case E2BIG:
3983 (void) fprintf(stderr, gettext("too many redaction snapshots "
3b5fe2c3 3984 "specified\n"));
30af21b0
PD		 3985 break;
3986 case EINVAL:
f658f61c
CS		 3987 if (strchr(bookname, '#') != NULL)
3988 (void) fprintf(stderr, gettext(
3989 "redaction bookmark name must not contain '#'\n"));
3990 else
3991 (void) fprintf(stderr, gettext(
3992 "redaction snapshot must be descendent of "
3993 "snapshot being redacted\n"));
30af21b0
PD		 3994 break;
3995 case EALREADY:
3996 (void) fprintf(stderr, gettext("attempted to redact redacted "
3b5fe2c3 3997 "dataset or with respect to redacted dataset\n"));
30af21b0
PD		 3998 break;
3999 case ENOTSUP:
4000 (void) fprintf(stderr, gettext("redaction bookmarks feature "
3b5fe2c3 4001 "not enabled\n"));
30af21b0 4002 break;
f658f61c
CS		 4003 case EXDEV:
4004 (void) fprintf(stderr, gettext("potentially invalid redaction "
4005 "snapshot; full dataset names required\n"));
4006 break;
bee9cfb8
PD		 4007 case ESRCH:
4008 (void) fprintf(stderr, gettext("attempted to resume redaction "
4009 " with a mismatched redaction list\n"));
4010 break;
30af21b0 4011 default:
3b5fe2c3 4012 (void) fprintf(stderr, gettext("internal error: %s\n"),
30af21b0
PD		 4013 strerror(errno));
4014 }
4015
4016 return (err);
4017}
4018
34dc7c2f
BB		 4019/*
4020 * zfs rollback [-rRf] <snapshot>
4021 *
428870ff
BB		 4022 * -r Delete any intervening snapshots before doing rollback
4023 * -R Delete any snapshots and their clones
4e33ba4c 4024 * -f ignored for backwards compatibility
34dc7c2f
BB		 4025 *
4026 * Given a filesystem, rollback to a specific snapshot, discarding any changes
4027 * since then and making it the active dataset. If more recent snapshots exist,
4028 * the command will complain unless the '-r' flag is given.
4029 */
4030typedef struct rollback_cbdata {
4031 uint64_t cb_create;
4c0883fb 4032 uint8_t cb_younger_ds_printed;
34dc7c2f
BB		 4033 boolean_t cb_first;
4034 int cb_doclones;
4035 char *cb_target;
4036 int cb_error;
4037 boolean_t cb_recurse;
34dc7c2f
BB		 4038} rollback_cbdata_t;
4039
da536844
MA		 4040static int
4041rollback_check_dependent(zfs_handle_t *zhp, void *data)
4042{
4043 rollback_cbdata_t *cbp = data;
4044
4045 if (cbp->cb_first && cbp->cb_recurse) {
4046 (void) fprintf(stderr, gettext("cannot rollback to "
4047 "'%s': clones of previous snapshots exist\n"),
4048 cbp->cb_target);
4049 (void) fprintf(stderr, gettext("use '-R' to "
4050 "force deletion of the following clones and "
4051 "dependents:\n"));
4052 cbp->cb_first = 0;
4053 cbp->cb_error = 1;
4054 }
4055
4056 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
4057
4058 zfs_close(zhp);
4059 return (0);
4060}
9b67f605
MA		 4061
4062
34dc7c2f 4063/*
4c0883fb
AP		 4064 * Report some snapshots/bookmarks more recent than the one specified.
4065 * Used when '-r' is not specified. We reuse this same callback for the
4066 * snapshot dependents - if 'cb_dependent' is set, then this is a
4067 * dependent and we should report it without checking the transaction group.
34dc7c2f
BB		 4068 */
4069static int
4070rollback_check(zfs_handle_t *zhp, void *data)
4071{
4072 rollback_cbdata_t *cbp = data;
4c0883fb
AP		 4073 /*
4074 * Max number of younger snapshots and/or bookmarks to display before
4075 * we stop the iteration.
4076 */
4077 const uint8_t max_younger = 32;
34dc7c2f
BB		 4078
4079 if (cbp->cb_doclones) {
4080 zfs_close(zhp);
4081 return (0);
4082 }
4083
da536844
MA		 4084 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) {
4085 if (cbp->cb_first && !cbp->cb_recurse) {
4086 (void) fprintf(stderr, gettext("cannot "
4087 "rollback to '%s': more recent snapshots "
4088 "or bookmarks exist\n"),
34dc7c2f 4089 cbp->cb_target);
da536844
MA		 4090 (void) fprintf(stderr, gettext("use '-r' to "
4091 "force deletion of the following "
4092 "snapshots and bookmarks:\n"));
34dc7c2f
BB		 4093 cbp->cb_first = 0;
4094 cbp->cb_error = 1;
4095 }
4096
da536844 4097 if (cbp->cb_recurse) {
baca06c2 4098 if (zfs_iter_dependents_v2(zhp, 0, B_TRUE,
da536844
MA		 4099 rollback_check_dependent, cbp) != 0) {
4100 zfs_close(zhp);
4101 return (-1);
4102 }
4103 } else {
4104 (void) fprintf(stderr, "%s\n",
4105 zfs_get_name(zhp));
4c0883fb 4106 cbp->cb_younger_ds_printed++;
da536844 4107 }
34dc7c2f 4108 }
34dc7c2f 4109 zfs_close(zhp);
4c0883fb
AP		 4110
4111 if (cbp->cb_younger_ds_printed == max_younger) {
4112 /*
4113 * This non-recursive rollback is going to fail due to the
4114 * presence of snapshots and/or bookmarks that are younger than
4115 * the rollback target.
4116 * We printed some of the offending objects, now we stop
4117 * zfs_iter_snapshot/bookmark iteration so we can fail fast and
4118 * avoid iterating over the rest of the younger objects
4119 */
4120 (void) fprintf(stderr, gettext("Output limited to %d "
4121 "snapshots/bookmarks\n"), max_younger);
4122 return (-1);
4123 }
34dc7c2f
BB		 4124 return (0);
4125}
4126
4127static int
4128zfs_do_rollback(int argc, char **argv)
4129{
ad60af8e 4130 int ret = 0;
34dc7c2f
BB		 4131 int c;
4132 boolean_t force = B_FALSE;
4133 rollback_cbdata_t cb = { 0 };
4134 zfs_handle_t *zhp, *snap;
eca7b760 4135 char parentname[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 4136 char *delim;
4c0883fb 4137 uint64_t min_txg = 0;
34dc7c2f
BB		 4138
4139 /* check options */
4140 while ((c = getopt(argc, argv, "rRf")) != -1) {
4141 switch (c) {
4142 case 'r':
4143 cb.cb_recurse = 1;
4144 break;
4145 case 'R':
4146 cb.cb_recurse = 1;
4147 cb.cb_doclones = 1;
4148 break;
4149 case 'f':
4150 force = B_TRUE;
4151 break;
4152 case '?':
4153 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4154 optopt);
4155 usage(B_FALSE);
4156 }
4157 }
4158
4159 argc -= optind;
4160 argv += optind;
4161
4162 /* check number of arguments */
4163 if (argc < 1) {
4164 (void) fprintf(stderr, gettext("missing dataset argument\n"));
4165 usage(B_FALSE);
4166 }
4167 if (argc > 1) {
4168 (void) fprintf(stderr, gettext("too many arguments\n"));
4169 usage(B_FALSE);
4170 }
4171
4172 /* open the snapshot */
4173 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
4174 return (1);
4175
4176 /* open the parent dataset */
4177 (void) strlcpy(parentname, argv[0], sizeof (parentname));
4178 verify((delim = strrchr(parentname, '@')) != NULL);
4179 *delim = '\0';
4180 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
4181 zfs_close(snap);
4182 return (1);
4183 }
4184
4185 /*
4186 * Check for more recent snapshots and/or clones based on the presence
4187 * of '-r' and '-R'.
4188 */
4189 cb.cb_target = argv[0];
4190 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
4191 cb.cb_first = B_TRUE;
4192 cb.cb_error = 0;
4c0883fb
AP		 4193
4194 if (cb.cb_create > 0)
4195 min_txg = cb.cb_create;
4196
baca06c2 4197 if ((ret = zfs_iter_snapshots_v2(zhp, 0, rollback_check, &cb,
4c0883fb 4198 min_txg, 0)) != 0)
da536844 4199 goto out;
baca06c2 4200 if ((ret = zfs_iter_bookmarks_v2(zhp, 0, rollback_check, &cb)) != 0)
34dc7c2f
BB		 4201 goto out;
4202
4203 if ((ret = cb.cb_error) != 0)
4204 goto out;
4205
4206 /*
4207 * Rollback parent to the given snapshot.
4208 */
4209 ret = zfs_rollback(zhp, snap, force);
4210
4211out:
4212 zfs_close(snap);
4213 zfs_close(zhp);
4214
4215 if (ret == 0)
4216 return (0);
4217 else
4218 return (1);
4219}
4220
4221/*
23de906c 4222 * zfs set property=value ... { fs | snap | vol } ...
34dc7c2f 4223 *
23de906c 4224 * Sets the given properties for all datasets specified on the command line.
34dc7c2f 4225 */
34dc7c2f
BB		 4226
4227static int
4228set_callback(zfs_handle_t *zhp, void *data)
4229{
4e16964e
US		 4230 zprop_set_cbdata_t *cb = data;
4231 int ret = zfs_prop_set_list_flags(zhp, cb->cb_proplist, cb->cb_flags);
34dc7c2f 4232
bbac1d29 4233 if (ret != 0 || libzfs_errno(g_zfs) != EZFS_SUCCESS) {
34dc7c2f
BB		 4234 switch (libzfs_errno(g_zfs)) {
4235 case EZFS_MOUNTFAILED:
4236 (void) fprintf(stderr, gettext("property may be set "
4237 "but unable to remount filesystem\n"));
4238 break;
4239 case EZFS_SHARENFSFAILED:
4240 (void) fprintf(stderr, gettext("property may be set "
4241 "but unable to reshare filesystem\n"));
4242 break;
4243 }
34dc7c2f 4244 }
bbac1d29 4245 return (ret);
34dc7c2f
BB		 4246}
4247
4248static int
4249zfs_do_set(int argc, char **argv)
4250{
4e16964e 4251 zprop_set_cbdata_t cb = { 0 };
23de906c 4252 int ds_start = -1; /* argv idx of first dataset arg */
ad60af8e 4253 int ret = 0;
4e16964e 4254 int i, c;
34dc7c2f 4255
4e16964e
US		 4256 /* check options */
4257 while ((c = getopt(argc, argv, "u")) != -1) {
4258 switch (c) {
4259 case 'u':
4260 cb.cb_flags |= ZFS_SET_NOMOUNT;
4261 break;
4262 case '?':
4263 default:
4264 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4265 optopt);
4266 usage(B_FALSE);
4267 }
34dc7c2f
BB		 4268 }
4269
4e16964e
US		 4270 argc -= optind;
4271 argv += optind;
4272
34dc7c2f 4273 /* check number of arguments */
4e16964e 4274 if (argc < 1) {
23de906c 4275 (void) fprintf(stderr, gettext("missing arguments\n"));
34dc7c2f
BB		 4276 usage(B_FALSE);
4277 }
4e16964e
US		 4278 if (argc < 2) {
4279 if (strchr(argv[0], '=') == NULL) {
23de906c
CW		 4280 (void) fprintf(stderr, gettext("missing property=value "
4281 "argument(s)\n"));
4282 } else {
4283 (void) fprintf(stderr, gettext("missing dataset "
4284 "name(s)\n"));
4285 }
34dc7c2f
BB		 4286 usage(B_FALSE);
4287 }
4288
23de906c 4289 /* validate argument order: prop=val args followed by dataset args */
4e16964e 4290 for (i = 0; i < argc; i++) {
23de906c
CW		 4291 if (strchr(argv[i], '=') != NULL) {
4292 if (ds_start > 0) {
4293 /* out-of-order prop=val argument */
4294 (void) fprintf(stderr, gettext("invalid "
4295 "argument order\n"));
4296 usage(B_FALSE);
4297 }
4298 } else if (ds_start < 0) {
4299 ds_start = i;
4300 }
4301 }
4302 if (ds_start < 0) {
4303 (void) fprintf(stderr, gettext("missing dataset name(s)\n"));
34dc7c2f
BB		 4304 usage(B_FALSE);
4305 }
4306
23de906c 4307 /* Populate a list of property settings */
4e16964e 4308 if (nvlist_alloc(&cb.cb_proplist, NV_UNIQUE_NAME, 0) != 0)
23de906c 4309 nomem();
4e16964e
US		 4310 for (i = 0; i < ds_start; i++) {
4311 if (!parseprop(cb.cb_proplist, argv[i])) {
a3eeab2d 4312 ret = -1;
23de906c 4313 goto error;
a3eeab2d 4314 }
34dc7c2f
BB		 4315 }
4316
23de906c 4317 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0,
4e16964e 4318 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
34dc7c2f 4319
23de906c 4320error:
4e16964e 4321 nvlist_free(cb.cb_proplist);
34dc7c2f
BB		 4322 return (ret);
4323}
4324
6f1ffb06
MA		 4325typedef struct snap_cbdata {
4326 nvlist_t *sd_nvl;
4327 boolean_t sd_recursive;
4328 const char *sd_snapname;
4329} snap_cbdata_t;
4330
4331static int
4332zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
4333{
4334 snap_cbdata_t *sd = arg;
4335 char *name;
4336 int rv = 0;
4337 int error;
4338
96c2e961
KW		 4339 if (sd->sd_recursive &&
4340 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) {
4341 zfs_close(zhp);
4342 return (0);
4343 }
4344
6f1ffb06
MA		 4345 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
4346 if (error == -1)
4347 nomem();
4348 fnvlist_add_boolean(sd->sd_nvl, name);
4349 free(name);
4350
4351 if (sd->sd_recursive)
baca06c2 4352 rv = zfs_iter_filesystems_v2(zhp, 0, zfs_snapshot_cb, sd);
6f1ffb06
MA		 4353 zfs_close(zhp);
4354 return (rv);
4355}
4356
34dc7c2f 4357/*
b128c09f 4358 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 4359 *
4360 * Creates a snapshot with the given name. While functionally equivalent to
4361 * 'zfs create', it is a separate command to differentiate intent.
4362 */
4363static int
4364zfs_do_snapshot(int argc, char **argv)
4365{
ad60af8e 4366 int ret = 0;
0869b74a 4367 int c;
b128c09f 4368 nvlist_t *props;
6f1ffb06
MA		 4369 snap_cbdata_t sd = { 0 };
4370 boolean_t multiple_snaps = B_FALSE;
b128c09f 4371
428870ff
BB		 4372 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4373 nomem();
6f1ffb06
MA		 4374 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
4375 nomem();
34dc7c2f
BB		 4376
4377 /* check options */
b128c09f 4378 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 4379 switch (c) {
b128c09f 4380 case 'o':
a3eeab2d 4381 if (!parseprop(props, optarg)) {
a425f5bf 4382 nvlist_free(sd.sd_nvl);
4383 nvlist_free(props);
b128c09f 4384 return (1);
a425f5bf 4385 }
b128c09f 4386 break;
34dc7c2f 4387 case 'r':
6f1ffb06
MA		 4388 sd.sd_recursive = B_TRUE;
4389 multiple_snaps = B_TRUE;
34dc7c2f
BB		 4390 break;
4391 case '?':
4392 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4393 optopt);
b128c09f 4394 goto usage;
34dc7c2f
BB		 4395 }
4396 }
4397
4398 argc -= optind;
4399 argv += optind;
4400
4401 /* check number of arguments */
4402 if (argc < 1) {
4403 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 4404 goto usage;
34dc7c2f 4405 }
6f1ffb06
MA		 4406
4407 if (argc > 1)
4408 multiple_snaps = B_TRUE;
4409 for (; argc > 0; argc--, argv++) {
4410 char *atp;
4411 zfs_handle_t *zhp;
4412
4413 atp = strchr(argv[0], '@');
4414 if (atp == NULL)
4415 goto usage;
4416 *atp = '\0';
4417 sd.sd_snapname = atp + 1;
4418 zhp = zfs_open(g_zfs, argv[0],
4419 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4420 if (zhp == NULL)
4421 goto usage;
4422 if (zfs_snapshot_cb(zhp, &sd) != 0)
4423 goto usage;
34dc7c2f
BB		 4424 }
4425
6f1ffb06
MA		 4426 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
4427 nvlist_free(sd.sd_nvl);
b128c09f 4428 nvlist_free(props);
6f1ffb06 4429 if (ret != 0 && multiple_snaps)
34dc7c2f
BB		 4430 (void) fprintf(stderr, gettext("no snapshots were created\n"));
4431 return (ret != 0);
b128c09f
BB		 4432
4433usage:
6f1ffb06 4434 nvlist_free(sd.sd_nvl);
b128c09f
BB		 4435 nvlist_free(props);
4436 usage(B_FALSE);
4437 return (-1);
34dc7c2f
BB		 4438}
4439
6625262c
AZ		 4440/*
4441 * Array of prefixes to exclude –
4442 * a linear search, even if executed for each dataset,
4443 * is plenty good enough.
4444 */
565089f5
SEF		 4445typedef struct zfs_send_exclude_arg {
4446 size_t count;
6625262c 4447 const char **list;
565089f5
SEF		 4448} zfs_send_exclude_arg_t;
4449
565089f5
SEF		 4450static boolean_t
4451zfs_do_send_exclude(zfs_handle_t *zhp, void *context)
4452{
6625262c 4453 zfs_send_exclude_arg_t *excludes = context;
565089f5
SEF		 4454 const char *name = zfs_get_name(zhp);
4455
6625262c
AZ		 4456 for (size_t i = 0; i < excludes->count; ++i) {
4457 size_t len = strlen(excludes->list[i]);
4458 if (strncmp(name, excludes->list[i], len) == 0 &&
4459 memchr("/@", name[len], sizeof ("/@")))
565089f5 4460 return (B_FALSE);
565089f5
SEF		 4461 }
4462
4463 return (B_TRUE);
4464}
30af21b0 4465
34dc7c2f 4466/*
34dc7c2f
BB		 4467 * Send a backup stream to stdout.
4468 */
4469static int
4470zfs_do_send(int argc, char **argv)
4471{
4472 char *fromname = NULL;
4473 char *toname = NULL;
47dfff3b 4474 char *resume_token = NULL;
34dc7c2f
BB		 4475 char *cp;
4476 zfs_handle_t *zhp;
428870ff 4477 sendflags_t flags = { 0 };
34dc7c2f 4478 int c, err;
330d06f9 4479 nvlist_t *dbgnv = NULL;
30af21b0 4480 char *redactbook = NULL;
6625262c 4481 zfs_send_exclude_arg_t excludes = { 0 };
34dc7c2f 4482
a7004725
DK		 4483 struct option long_options[] = {
4484 {"replicate", no_argument, NULL, 'R'},
6625262c 4485 {"skip-missing", no_argument, NULL, 's'},
30af21b0 4486 {"redact", required_argument, NULL, 'd'},
a7004725
DK		 4487 {"props", no_argument, NULL, 'p'},
4488 {"parsable", no_argument, NULL, 'P'},
4489 {"dedup", no_argument, NULL, 'D'},
19d39615 4490 {"proctitle", no_argument, NULL, 'V'},
a7004725
DK		 4491 {"verbose", no_argument, NULL, 'v'},
4492 {"dryrun", no_argument, NULL, 'n'},
4493 {"large-block", no_argument, NULL, 'L'},
4494 {"embed", no_argument, NULL, 'e'},
4495 {"resume", required_argument, NULL, 't'},
4496 {"compressed", no_argument, NULL, 'c'},
b5256303 4497 {"raw", no_argument, NULL, 'w'},
faa97c16 4498 {"backup", no_argument, NULL, 'b'},
9c5e88b1 4499 {"holds", no_argument, NULL, 'h'},
ba0ba69e 4500 {"saved", no_argument, NULL, 'S'},
565089f5 4501 {"exclude", required_argument, NULL, 'X'},
a7004725
DK		 4502 {0, 0, 0, 0}
4503 };
4504
34dc7c2f 4505 /* check options */
19d39615 4506 while ((c = getopt_long(argc, argv, ":i:I:RsDpVvnPLeht:cwbd:SX:",
30af21b0 4507 long_options, NULL)) != -1) {
34dc7c2f 4508 switch (c) {
565089f5 4509 case 'X':
6625262c
AZ		 4510 for (char *ds; (ds = strsep(&optarg, ",")) != NULL; ) {
4511 if (!zfs_name_valid(ds, ZFS_TYPE_DATASET) ||
4512 strchr(ds, '/') == NULL) {
4513 (void) fprintf(stderr, gettext("-X %s: "
4514 "not a valid non-root dataset name"
4515 ".\n"), ds);
4516 usage(B_FALSE);
4517 }
4518 excludes.list = safe_realloc(excludes.list,
4519 sizeof (char *) * (excludes.count + 1));
4520 excludes.list[excludes.count++] = ds;
4521 }
565089f5 4522 break;
34dc7c2f
BB		 4523 case 'i':
4524 if (fromname)
4525 usage(B_FALSE);
4526 fromname = optarg;
4527 break;
4528 case 'I':
4529 if (fromname)
4530 usage(B_FALSE);
4531 fromname = optarg;
428870ff 4532 flags.doall = B_TRUE;
34dc7c2f
BB		 4533 break;
4534 case 'R':
428870ff
BB		 4535 flags.replicate = B_TRUE;
4536 break;
099fa7e4
PCG		 4537 case 's':
4538 flags.skipmissing = B_TRUE;
4539 break;
30af21b0
PD		 4540 case 'd':
4541 redactbook = optarg;
4542 break;
428870ff
BB		 4543 case 'p':
4544 flags.props = B_TRUE;
34dc7c2f 4545 break;
faa97c16 4546 case 'b':
4547 flags.backup = B_TRUE;
4548 break;
9c5e88b1
PZ		 4549 case 'h':
4550 flags.holds = B_TRUE;
4551 break;
330d06f9
MA		 4552 case 'P':
4553 flags.parsable = B_TRUE;
330d06f9 4554 break;
19d39615
AH		 4555 case 'V':
4556 flags.progressastitle = B_TRUE;
4557 break;
34dc7c2f 4558 case 'v':
30af21b0 4559 flags.verbosity++;
37abac6d 4560 flags.progress = B_TRUE;
428870ff
BB		 4561 break;
4562 case 'D':
196bee4c
MA		 4563 (void) fprintf(stderr,
4564 gettext("WARNING: deduplicated send is no "
4565 "longer supported. A regular,\n"
4566 "non-deduplicated stream will be generated.\n\n"));
34dc7c2f 4567 break;
330d06f9
MA		 4568 case 'n':
4569 flags.dryrun = B_TRUE;
4570 break;
f1512ee6
MA		 4571 case 'L':
4572 flags.largeblock = B_TRUE;
4573 break;
9b67f605
MA		 4574 case 'e':
4575 flags.embed_data = B_TRUE;
4576 break;
47dfff3b
MA		 4577 case 't':
4578 resume_token = optarg;
4579 break;
2aa34383
DK		 4580 case 'c':
4581 flags.compress = B_TRUE;
4582 break;
b5256303
TC		 4583 case 'w':
4584 flags.raw = B_TRUE;
4585 flags.compress = B_TRUE;
4586 flags.embed_data = B_TRUE;
4587 flags.largeblock = B_TRUE;
4588 break;
ba0ba69e
TC		 4589 case 'S':
4590 flags.saved = B_TRUE;
4591 break;
34dc7c2f 4592 case ':':
a873815b
GM		 4593 /*
4594 * If a parameter was not passed, optopt contains the
4595 * value that would normally lead us into the
4596 * appropriate case statement. If it's > 256, then this
4597 * must be a longopt and we should look at argv to get
4598 * the string. Otherwise it's just the character, so we
4599 * should use it directly.
4600 */
4601 if (optopt <= UINT8_MAX) {
4602 (void) fprintf(stderr,
4603 gettext("missing argument for '%c' "
4604 "option\n"), optopt);
4605 } else {
4606 (void) fprintf(stderr,
4607 gettext("missing argument for '%s' "
4608 "option\n"), argv[optind - 1]);
4609 }
219cf0f9 4610 free(excludes.list);
34dc7c2f
BB		 4611 usage(B_FALSE);
4612 break;
4613 case '?':
a873815b
GM		 4614 default:
4615 /*
4616 * If an invalid flag was passed, optopt contains the
4617 * character if it was a short flag, or 0 if it was a
4618 * longopt.
4619 */
4620 if (optopt != 0) {
4621 (void) fprintf(stderr,
4622 gettext("invalid option '%c'\n"), optopt);
4623 } else {
4624 (void) fprintf(stderr,
4625 gettext("invalid option '%s'\n"),
4626 argv[optind - 1]);
4627
4628 }
219cf0f9 4629 free(excludes.list);
34dc7c2f
BB		 4630 usage(B_FALSE);
4631 }
4632 }
4633
05b72415 4634 if ((flags.parsable || flags.progressastitle) && flags.verbosity == 0)
30af21b0
PD		 4635 flags.verbosity = 1;
4636
6625262c 4637 if (excludes.count > 0 && !flags.replicate) {
219cf0f9 4638 free(excludes.list);
565089f5
SEF		 4639 (void) fprintf(stderr, gettext("Cannot specify "
4640 "dataset exclusion (-X) on a non-recursive "
4641 "send.\n"));
4642 return (1);
4643 }
4644
34dc7c2f
BB		 4645 argc -= optind;
4646 argv += optind;
4647
47dfff3b
MA		 4648 if (resume_token != NULL) {
4649 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4650 flags.backup || flags.holds ||
ba0ba69e 4651 flags.saved || redactbook != NULL) {
219cf0f9 4652 free(excludes.list);
47dfff3b
MA		 4653 (void) fprintf(stderr,
4654 gettext("invalid flags combined with -t\n"));
4655 usage(B_FALSE);
4656 }
30af21b0 4657 if (argc > 0) {
219cf0f9 4658 free(excludes.list);
30af21b0 4659 (void) fprintf(stderr, gettext("too many arguments\n"));
47dfff3b
MA		 4660 usage(B_FALSE);
4661 }
4662 } else {
4663 if (argc < 1) {
219cf0f9 4664 free(excludes.list);
47dfff3b
MA		 4665 (void) fprintf(stderr,
4666 gettext("missing snapshot argument\n"));
4667 usage(B_FALSE);
4668 }
4669 if (argc > 1) {
219cf0f9 4670 free(excludes.list);
47dfff3b
MA		 4671 (void) fprintf(stderr, gettext("too many arguments\n"));
4672 usage(B_FALSE);
4673 }
34dc7c2f
BB		 4674 }
4675
ba0ba69e
TC		 4676 if (flags.saved) {
4677 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4678 flags.doall || flags.backup ||
ba0ba69e
TC		 4679 flags.holds || flags.largeblock || flags.embed_data ||
4680 flags.compress || flags.raw || redactbook != NULL) {
219cf0f9
RY		 4681 free(excludes.list);
4682
ba0ba69e
TC		 4683 (void) fprintf(stderr, gettext("incompatible flags "
4684 "combined with saved send flag\n"));
4685 usage(B_FALSE);
4686 }
4687 if (strchr(argv[0], '@') != NULL) {
219cf0f9
RY		 4688 free(excludes.list);
4689
ba0ba69e
TC		 4690 (void) fprintf(stderr, gettext("saved send must "
4691 "specify the dataset with partially-received "
4692 "state\n"));
4693 usage(B_FALSE);
4694 }
4695 }
4696
30af21b0 4697 if (flags.raw && redactbook != NULL) {
219cf0f9 4698 free(excludes.list);
30af21b0
PD		 4699 (void) fprintf(stderr,
4700 gettext("Error: raw sends may not be redacted.\n"));
4701 return (1);
4702 }
4703
330d06f9 4704 if (!flags.dryrun && isatty(STDOUT_FILENO)) {
219cf0f9 4705 free(excludes.list);
34dc7c2f
BB		 4706 (void) fprintf(stderr,
4707 gettext("Error: Stream can not be written to a terminal.\n"
4708 "You must redirect standard output.\n"));
4709 return (1);
4710 }
4711
ba0ba69e
TC		 4712 if (flags.saved) {
4713 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4714 if (zhp == NULL) {
4715 free(excludes.list);
ba0ba69e 4716 return (1);
219cf0f9 4717 }
ba0ba69e
TC		 4718
4719 err = zfs_send_saved(zhp, &flags, STDOUT_FILENO,
4720 resume_token);
219cf0f9 4721 free(excludes.list);
ba0ba69e
TC		 4722 zfs_close(zhp);
4723 return (err != 0);
4724 } else if (resume_token != NULL) {
219cf0f9 4725 free(excludes.list);
d1a5e959
AZ		 4726 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO,
4727 resume_token));
47dfff3b
MA		 4728 }
4729
099fa7e4 4730 if (flags.skipmissing && !flags.replicate) {
219cf0f9 4731 free(excludes.list);
099fa7e4
PCG		 4732 (void) fprintf(stderr,
4733 gettext("skip-missing flag can only be used in "
4734 "conjunction with replicate\n"));
4735 usage(B_FALSE);
4736 }
4737
da536844 4738 /*
30af21b0 4739 * For everything except -R and -I, use the new, cleaner code path.
da536844 4740 */
30af21b0 4741 if (!(flags.replicate || flags.doall)) {
eca7b760 4742 char frombuf[ZFS_MAX_DATASET_NAME_LEN];
da536844 4743
30af21b0
PD		 4744 if (fromname != NULL && (strchr(fromname, '#') == NULL &&
4745 strchr(fromname, '@') == NULL)) {
4746 /*
4747 * Neither bookmark or snapshot was specified. Print a
4748 * warning, and assume snapshot.
4749 */
4750 (void) fprintf(stderr, "Warning: incremental source "
4751 "didn't specify type, assuming snapshot. Use '@' "
4752 "or '#' prefix to avoid ambiguity.\n");
4753 (void) snprintf(frombuf, sizeof (frombuf), "@%s",
4754 fromname);
4755 fromname = frombuf;
4756 }
da536844
MA		 4757 if (fromname != NULL &&
4758 (fromname[0] == '#' || fromname[0] == '@')) {
4759 /*
4760 * Incremental source name begins with # or @.
4761 * Default to same fs as target.
4762 */
30af21b0
PD		 4763 char tmpbuf[ZFS_MAX_DATASET_NAME_LEN];
4764 (void) strlcpy(tmpbuf, fromname, sizeof (tmpbuf));
5df39c1e 4765 (void) strlcpy(frombuf, argv[0], sizeof (frombuf));
da536844
MA		 4766 cp = strchr(frombuf, '@');
4767 if (cp != NULL)
4768 *cp = '\0';
30af21b0 4769 (void) strlcat(frombuf, tmpbuf, sizeof (frombuf));
da536844
MA		 4770 fromname = frombuf;
4771 }
22df2457
RM		 4772
4773 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4774 if (zhp == NULL) {
4775 free(excludes.list);
22df2457 4776 return (1);
219cf0f9 4777 }
30af21b0
PD		 4778 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, &flags,
4779 redactbook);
219cf0f9
RY		 4780
4781 free(excludes.list);
da536844
MA		 4782 zfs_close(zhp);
4783 return (err != 0);
34dc7c2f 4784 }
da536844 4785
30af21b0
PD		 4786 if (fromname != NULL && strchr(fromname, '#')) {
4787 (void) fprintf(stderr,
4788 gettext("Error: multiple snapshots cannot be "
4789 "sent from a bookmark.\n"));
219cf0f9 4790 free(excludes.list);
30af21b0
PD		 4791 return (1);
4792 }
4793
4794 if (redactbook != NULL) {
4795 (void) fprintf(stderr, gettext("Error: multiple snapshots "
4796 "cannot be sent redacted.\n"));
219cf0f9 4797 free(excludes.list);
30af21b0
PD		 4798 return (1);
4799 }
4800
1d20b763 4801 if ((cp = strchr(argv[0], '@')) == NULL) {
4802 (void) fprintf(stderr, gettext("Error: "
4803 "Unsupported flag with filesystem or bookmark.\n"));
219cf0f9 4804 free(excludes.list);
1d20b763 4805 return (1);
4806 }
0b7936d5
AS		 4807 *cp = '\0';
4808 toname = cp + 1;
4809 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
219cf0f9
RY		 4810 if (zhp == NULL) {
4811 free(excludes.list);
0b7936d5 4812 return (1);
219cf0f9 4813 }
0b7936d5
AS		 4814
4815 /*
4816 * If they specified the full path to the snapshot, chop off
4817 * everything except the short name of the snapshot, but special
4818 * case if they specify the origin.
4819 */
4820 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
eca7b760 4821 char origin[ZFS_MAX_DATASET_NAME_LEN];
610cb4fb 4822 zprop_source_t src;
0b7936d5
AS		 4823
4824 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
4825 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
4826
4827 if (strcmp(origin, fromname) == 0) {
4828 fromname = NULL;
4829 flags.fromorigin = B_TRUE;
4830 } else {
4831 *cp = '\0';
4832 if (cp != fromname && strcmp(argv[0], fromname)) {
219cf0f9
RY		 4833 zfs_close(zhp);
4834 free(excludes.list);
0b7936d5
AS		 4835 (void) fprintf(stderr,
4836 gettext("incremental source must be "
4837 "in same filesystem\n"));
4838 usage(B_FALSE);
4839 }
4840 fromname = cp + 1;
4841 if (strchr(fromname, '@') || strchr(fromname, '/')) {
219cf0f9
RY		 4842 zfs_close(zhp);
4843 free(excludes.list);
0b7936d5
AS		 4844 (void) fprintf(stderr,
4845 gettext("invalid incremental source\n"));
4846 usage(B_FALSE);
4847 }
4848 }
4849 }
4850
4851 if (flags.replicate && fromname == NULL)
4852 flags.doall = B_TRUE;
4853
565089f5 4854 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO,
6625262c
AZ		 4855 excludes.count > 0 ? zfs_do_send_exclude : NULL,
4856 &excludes, flags.verbosity >= 3 ? &dbgnv : NULL);
0b7936d5 4857
30af21b0 4858 if (flags.verbosity >= 3 && dbgnv != NULL) {
0b7936d5
AS		 4859 /*
4860 * dump_nvlist prints to stdout, but that's been
4861 * redirected to a file. Make it print to stderr
4862 * instead.
4863 */
4864 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
4865 dump_nvlist(dbgnv, 0);
4866 nvlist_free(dbgnv);
4867 }
0b7936d5 4868
6625262c
AZ		 4869 zfs_close(zhp);
4870 free(excludes.list);
0b7936d5
AS		 4871 return (err != 0);
4872}
4873
4874/*
0b7936d5
AS		 4875 * Restore a backup stream from stdin.
4876 */
4877static int
4878zfs_do_receive(int argc, char **argv)
4879{
648a09ad 4880 int c, err = 0;
0b7936d5 4881 recvflags_t flags = { 0 };
47dfff3b 4882 boolean_t abort_resumable = B_FALSE;
fcff0f35 4883 nvlist_t *props;
fcff0f35
PD		 4884
4885 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4886 nomem();
0b7936d5
AS		 4887
4888 /* check options */
e8cf3a4f 4889 while ((c = getopt(argc, argv, ":o:x:dehMnuvFsAc")) != -1) {
0b7936d5 4890 switch (c) {
fcff0f35 4891 case 'o':
a3eeab2d 4892 if (!parseprop(props, optarg)) {
a425f5bf 4893 nvlist_free(props);
a3eeab2d 4894 usage(B_FALSE);
4895 }
4896 break;
4897 case 'x':
4898 if (!parsepropname(props, optarg)) {
4899 nvlist_free(props);
4900 usage(B_FALSE);
a425f5bf 4901 }
fcff0f35 4902 break;
0b7936d5 4903 case 'd':
bdbd5477 4904 if (flags.istail) {
4905 (void) fprintf(stderr, gettext("invalid option "
4906 "combination: -d and -e are mutually "
4907 "exclusive\n"));
4908 usage(B_FALSE);
4909 }
0b7936d5
AS		 4910 flags.isprefix = B_TRUE;
4911 break;
4912 case 'e':
bdbd5477 4913 if (flags.isprefix) {
4914 (void) fprintf(stderr, gettext("invalid option "
4915 "combination: -d and -e are mutually "
4916 "exclusive\n"));
4917 usage(B_FALSE);
4918 }
0b7936d5
AS		 4919 flags.istail = B_TRUE;
4920 break;
9c5e88b1
PZ		 4921 case 'h':
4922 flags.skipholds = B_TRUE;
4923 break;
a57d3d45
MZ		 4924 case 'M':
4925 flags.forceunmount = B_TRUE;
4926 break;
0b7936d5
AS		 4927 case 'n':
4928 flags.dryrun = B_TRUE;
4929 break;
4930 case 'u':
4931 flags.nomount = B_TRUE;
4932 break;
4933 case 'v':
4934 flags.verbose = B_TRUE;
4935 break;
47dfff3b
MA		 4936 case 's':
4937 flags.resumable = B_TRUE;
4938 break;
0b7936d5
AS		 4939 case 'F':
4940 flags.force = B_TRUE;
4941 break;
47dfff3b
MA		 4942 case 'A':
4943 abort_resumable = B_TRUE;
4944 break;
e8cf3a4f
AP		 4945 case 'c':
4946 flags.heal = B_TRUE;
4947 break;
0b7936d5
AS		 4948 case ':':
4949 (void) fprintf(stderr, gettext("missing argument for "
4950 "'%c' option\n"), optopt);
4951 usage(B_FALSE);
4952 break;
4953 case '?':
4954 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4955 optopt);
4956 usage(B_FALSE);
4957 }
4958 }
4959
4960 argc -= optind;
4961 argv += optind;
4962
bdbd5477 4963 /* zfs recv -e (use "tail" name) implies -d (remove dataset "head") */
4964 if (flags.istail)
4965 flags.isprefix = B_TRUE;
4966
0b7936d5
AS		 4967 /* check number of arguments */
4968 if (argc < 1) {
4969 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
4970 usage(B_FALSE);
4971 }
4972 if (argc > 1) {
4973 (void) fprintf(stderr, gettext("too many arguments\n"));
4974 usage(B_FALSE);
4975 }
4976
47dfff3b
MA		 4977 if (abort_resumable) {
4978 if (flags.isprefix || flags.istail || flags.dryrun ||
4979 flags.resumable || flags.nomount) {
88c30122 4980 (void) fprintf(stderr, gettext("invalid option\n"));
47dfff3b
MA		 4981 usage(B_FALSE);
4982 }
4983
eca7b760 4984 char namebuf[ZFS_MAX_DATASET_NAME_LEN];
47dfff3b
MA		 4985 (void) snprintf(namebuf, sizeof (namebuf),
4986 "%s/%%recv", argv[0]);
4987
4988 if (zfs_dataset_exists(g_zfs, namebuf,
4989 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) {
4990 zfs_handle_t *zhp = zfs_open(g_zfs,
4991 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 4992 if (zhp == NULL) {
4993 nvlist_free(props);
47dfff3b 4994 return (1);
a425f5bf 4995 }
47dfff3b 4996 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4997 zfs_close(zhp);
47dfff3b
MA		 4998 } else {
4999 zfs_handle_t *zhp = zfs_open(g_zfs,
5000 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
5001 if (zhp == NULL)
5002 usage(B_FALSE);
5003 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) ||
5004 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
5005 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) {
5006 (void) fprintf(stderr,
5007 gettext("'%s' does not have any "
5008 "resumable receive state to abort\n"),
5009 argv[0]);
a425f5bf 5010 nvlist_free(props);
5011 zfs_close(zhp);
47dfff3b
MA		 5012 return (1);
5013 }
5014 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 5015 zfs_close(zhp);
47dfff3b 5016 }
a425f5bf 5017 nvlist_free(props);
47dfff3b
MA		 5018 return (err != 0);
5019 }
5020
0b7936d5
AS		 5021 if (isatty(STDIN_FILENO)) {
5022 (void) fprintf(stderr,
5023 gettext("Error: Backup stream can not be read "
5024 "from a terminal.\n"
5025 "You must redirect standard input.\n"));
a425f5bf 5026 nvlist_free(props);
0b7936d5
AS		 5027 return (1);
5028 }
fcff0f35 5029 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL);
a425f5bf 5030 nvlist_free(props);
0b7936d5
AS		 5031
5032 return (err != 0);
5033}
5034
5035/*
5036 * allow/unallow stuff
5037 */
5038/* copied from zfs/sys/dsl_deleg.h */
5039#define ZFS_DELEG_PERM_CREATE "create"
5040#define ZFS_DELEG_PERM_DESTROY "destroy"
5041#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
5042#define ZFS_DELEG_PERM_ROLLBACK "rollback"
5043#define ZFS_DELEG_PERM_CLONE "clone"
5044#define ZFS_DELEG_PERM_PROMOTE "promote"
5045#define ZFS_DELEG_PERM_RENAME "rename"
5046#define ZFS_DELEG_PERM_MOUNT "mount"
5047#define ZFS_DELEG_PERM_SHARE "share"
5048#define ZFS_DELEG_PERM_SEND "send"
5049#define ZFS_DELEG_PERM_RECEIVE "receive"
5050#define ZFS_DELEG_PERM_ALLOW "allow"
5051#define ZFS_DELEG_PERM_USERPROP "userprop"
5052#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
5053#define ZFS_DELEG_PERM_USERQUOTA "userquota"
5054#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
5055#define ZFS_DELEG_PERM_USERUSED "userused"
5056#define ZFS_DELEG_PERM_GROUPUSED "groupused"
1de321e6
JX		 5057#define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
5058#define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
5059#define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
5060#define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
5061
0b7936d5
AS		 5062#define ZFS_DELEG_PERM_HOLD "hold"
5063#define ZFS_DELEG_PERM_RELEASE "release"
5064#define ZFS_DELEG_PERM_DIFF "diff"
da536844 5065#define ZFS_DELEG_PERM_BOOKMARK "bookmark"
b5256303
TC		 5066#define ZFS_DELEG_PERM_LOAD_KEY "load-key"
5067#define ZFS_DELEG_PERM_CHANGE_KEY "change-key"
0b7936d5 5068
9c5167d1
NF		 5069#define ZFS_DELEG_PERM_PROJECTUSED "projectused"
5070#define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota"
5071#define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused"
5072#define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota"
5073
0b7936d5
AS		 5074#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
5075
5076static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
5077 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
5078 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
5079 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
5080 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
5081 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
5082 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
5083 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
5084 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
5085 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
5086 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
5087 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
5088 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
5089 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
5090 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
5091 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
da536844 5092 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK },
b5256303
TC		 5093 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY },
5094 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY },
0b7936d5
AS		 5095
5096 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
5097 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
5098 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
5099 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
5100 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
1de321e6
JX		 5101 { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA },
5102 { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED },
5103 { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA },
5104 { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED },
9c5167d1
NF		 5105 { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED },
5106 { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA },
5107 { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED },
5108 { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA },
0b7936d5
AS		 5109 { NULL, ZFS_DELEG_NOTE_NONE }
5110};
5111
5112/* permission structure */
5113typedef struct deleg_perm {
5114 zfs_deleg_who_type_t dp_who_type;
5115 const char *dp_name;
5116 boolean_t dp_local;
5117 boolean_t dp_descend;
5118} deleg_perm_t;
5119
5120/* */
5121typedef struct deleg_perm_node {
5122 deleg_perm_t dpn_perm;
5123
5124 uu_avl_node_t dpn_avl_node;
5125} deleg_perm_node_t;
5126
5127typedef struct fs_perm fs_perm_t;
5128
5129/* permissions set */
5130typedef struct who_perm {
5131 zfs_deleg_who_type_t who_type;
5132 const char *who_name; /* id */
5133 char who_ug_name[256]; /* user/group name */
5134 fs_perm_t *who_fsperm; /* uplink */
5135
5136 uu_avl_t *who_deleg_perm_avl; /* permissions */
5137} who_perm_t;
5138
5139/* */
5140typedef struct who_perm_node {
5141 who_perm_t who_perm;
5142 uu_avl_node_t who_avl_node;
5143} who_perm_node_t;
5144
5145typedef struct fs_perm_set fs_perm_set_t;
5146/* fs permissions */
5147struct fs_perm {
5148 const char *fsp_name;
5149
5150 uu_avl_t *fsp_sc_avl; /* sets,create */
5151 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
5152
5153 fs_perm_set_t *fsp_set; /* uplink */
5154};
5155
5156/* */
5157typedef struct fs_perm_node {
5158 fs_perm_t fspn_fsperm;
5159 uu_avl_t *fspn_avl;
5160
5161 uu_list_node_t fspn_list_node;
5162} fs_perm_node_t;
5163
5164/* top level structure */
5165struct fs_perm_set {
5166 uu_list_pool_t *fsps_list_pool;
5167 uu_list_t *fsps_list; /* list of fs_perms */
5168
5169 uu_avl_pool_t *fsps_named_set_avl_pool;
5170 uu_avl_pool_t *fsps_who_perm_avl_pool;
5171 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
5172};
5173
5174static inline const char *
5175deleg_perm_type(zfs_deleg_note_t note)
5176{
5177 /* subcommands */
5178 switch (note) {
5179 /* SUBCOMMANDS */
5180 /* OTHER */
5181 case ZFS_DELEG_NOTE_GROUPQUOTA:
5182 case ZFS_DELEG_NOTE_GROUPUSED:
5183 case ZFS_DELEG_NOTE_USERPROP:
5184 case ZFS_DELEG_NOTE_USERQUOTA:
5185 case ZFS_DELEG_NOTE_USERUSED:
1de321e6
JX		 5186 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5187 case ZFS_DELEG_NOTE_USEROBJUSED:
5188 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5189 case ZFS_DELEG_NOTE_GROUPOBJUSED:
9c5167d1
NF		 5190 case ZFS_DELEG_NOTE_PROJECTUSED:
5191 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5192 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5193 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
0b7936d5
AS		 5194 /* other */
5195 return (gettext("other"));
5196 default:
5197 return (gettext("subcommand"));
5198 }
5199}
5200
648a09ad 5201static int
0b7936d5
AS		 5202who_type2weight(zfs_deleg_who_type_t who_type)
5203{
5204 int res;
5205 switch (who_type) {
5206 case ZFS_DELEG_NAMED_SET_SETS:
5207 case ZFS_DELEG_NAMED_SET:
5208 res = 0;
5209 break;
5210 case ZFS_DELEG_CREATE_SETS:
5211 case ZFS_DELEG_CREATE:
5212 res = 1;
5213 break;
5214 case ZFS_DELEG_USER_SETS:
5215 case ZFS_DELEG_USER:
5216 res = 2;
5217 break;
5218 case ZFS_DELEG_GROUP_SETS:
5219 case ZFS_DELEG_GROUP:
5220 res = 3;
5221 break;
5222 case ZFS_DELEG_EVERYONE_SETS:
5223 case ZFS_DELEG_EVERYONE:
5224 res = 4;
5225 break;
5226 default:
5227 res = -1;
5228 }
5229
5230 return (res);
5231}
5232
0b7936d5
AS		 5233static int
5234who_perm_compare(const void *larg, const void *rarg, void *unused)
5235{
f291fa65 5236 (void) unused;
0b7936d5
AS		 5237 const who_perm_node_t *l = larg;
5238 const who_perm_node_t *r = rarg;
5239 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
5240 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
5241 int lweight = who_type2weight(ltype);
5242 int rweight = who_type2weight(rtype);
5243 int res = lweight - rweight;
5244 if (res == 0)
5245 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
5246 ZFS_MAX_DELEG_NAME-1);
5247
5248 if (res == 0)
5249 return (0);
5250 if (res > 0)
5251 return (1);
5252 else
5253 return (-1);
5254}
5255
0b7936d5
AS		 5256static int
5257deleg_perm_compare(const void *larg, const void *rarg, void *unused)
5258{
f291fa65 5259 (void) unused;
0b7936d5
AS		 5260 const deleg_perm_node_t *l = larg;
5261 const deleg_perm_node_t *r = rarg;
5262 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
5263 ZFS_MAX_DELEG_NAME-1);
5264
5265 if (res == 0)
5266 return (0);
5267
5268 if (res > 0)
5269 return (1);
5270 else
5271 return (-1);
5272}
5273
5274static inline void
5275fs_perm_set_init(fs_perm_set_t *fspset)
5276{
861166b0 5277 memset(fspset, 0, sizeof (fs_perm_set_t));
0b7936d5
AS		 5278
5279 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
5280 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
5281 NULL, UU_DEFAULT)) == NULL)
5282 nomem();
5283 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
5284 UU_DEFAULT)) == NULL)
5285 nomem();
5286
5287 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
5288 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
5289 who_perm_node_t, who_avl_node), who_perm_compare,
5290 UU_DEFAULT)) == NULL)
5291 nomem();
5292
5293 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
5294 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
5295 who_perm_node_t, who_avl_node), who_perm_compare,
5296 UU_DEFAULT)) == NULL)
5297 nomem();
5298
5299 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
5300 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
5301 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
5302 == NULL)
5303 nomem();
5304}
5305
5306static inline void fs_perm_fini(fs_perm_t *);
5307static inline void who_perm_fini(who_perm_t *);
5308
5309static inline void
5310fs_perm_set_fini(fs_perm_set_t *fspset)
5311{
5312 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
5313
5314 while (node != NULL) {
5315 fs_perm_node_t *next_node =
5316 uu_list_next(fspset->fsps_list, node);
5317 fs_perm_t *fsperm = &node->fspn_fsperm;
5318 fs_perm_fini(fsperm);
5319 uu_list_remove(fspset->fsps_list, node);
5320 free(node);
5321 node = next_node;
5322 }
5323
5324 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
5325 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
5326 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
5327}
5328
5329static inline void
5330deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
5331 const char *name)
5332{
5333 deleg_perm->dp_who_type = type;
5334 deleg_perm->dp_name = name;
5335}
5336
5337static inline void
5338who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
5339 zfs_deleg_who_type_t type, const char *name)
5340{
5341 uu_avl_pool_t *pool;
5342 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
5343
861166b0 5344 memset(who_perm, 0, sizeof (who_perm_t));
0b7936d5
AS		 5345
5346 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
5347 UU_DEFAULT)) == NULL)
5348 nomem();
5349
5350 who_perm->who_type = type;
5351 who_perm->who_name = name;
5352 who_perm->who_fsperm = fsperm;
5353}
5354
5355static inline void
5356who_perm_fini(who_perm_t *who_perm)
5357{
5358 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
5359
5360 while (node != NULL) {
5361 deleg_perm_node_t *next_node =
5362 uu_avl_next(who_perm->who_deleg_perm_avl, node);
5363
5364 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
5365 free(node);
5366 node = next_node;
5367 }
5368
5369 uu_avl_destroy(who_perm->who_deleg_perm_avl);
5370}
5371
5372static inline void
5373fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
5374{
5375 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
5376 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
5377
861166b0 5378 memset(fsperm, 0, sizeof (fs_perm_t));
0b7936d5
AS		 5379
5380 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
5381 == NULL)
5382 nomem();
5383
5384 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
5385 == NULL)
5386 nomem();
5387
5388 fsperm->fsp_set = fspset;
5389 fsperm->fsp_name = fsname;
5390}
5391
5392static inline void
5393fs_perm_fini(fs_perm_t *fsperm)
5394{
5395 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
5396 while (node != NULL) {
5397 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
5398 node);
5399 who_perm_t *who_perm = &node->who_perm;
5400 who_perm_fini(who_perm);
5401 uu_avl_remove(fsperm->fsp_sc_avl, node);
5402 free(node);
5403 node = next_node;
5404 }
5405
5406 node = uu_avl_first(fsperm->fsp_uge_avl);
5407 while (node != NULL) {
5408 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
5409 node);
5410 who_perm_t *who_perm = &node->who_perm;
5411 who_perm_fini(who_perm);
5412 uu_avl_remove(fsperm->fsp_uge_avl, node);
5413 free(node);
5414 node = next_node;
5415 }
5416
5417 uu_avl_destroy(fsperm->fsp_sc_avl);
5418 uu_avl_destroy(fsperm->fsp_uge_avl);
5419}
5420
648a09ad 5421static void
0b7936d5
AS		 5422set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
5423 zfs_deleg_who_type_t who_type, const char *name, char locality)
5424{
5425 uu_avl_index_t idx = 0;
5426
5427 deleg_perm_node_t *found_node = NULL;
5428 deleg_perm_t *deleg_perm = &node->dpn_perm;
5429
5430 deleg_perm_init(deleg_perm, who_type, name);
5431
5432 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5433 == NULL)
5434 uu_avl_insert(avl, node, idx);
5435 else {
5436 node = found_node;
5437 deleg_perm = &node->dpn_perm;
5438 }
5439
5440
5441 switch (locality) {
5442 case ZFS_DELEG_LOCAL:
5443 deleg_perm->dp_local = B_TRUE;
5444 break;
5445 case ZFS_DELEG_DESCENDENT:
5446 deleg_perm->dp_descend = B_TRUE;
5447 break;
5448 case ZFS_DELEG_NA:
5449 break;
5450 default:
5451 assert(B_FALSE); /* invalid locality */
5452 }
5453}
5454
5455static inline int
5456parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
5457{
5458 nvpair_t *nvp = NULL;
5459 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
5460 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
5461 zfs_deleg_who_type_t who_type = who_perm->who_type;
5462
5463 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5464 const char *name = nvpair_name(nvp);
5465 data_type_t type = nvpair_type(nvp);
5466 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
5467 deleg_perm_node_t *node =
5468 safe_malloc(sizeof (deleg_perm_node_t));
5469
5470 VERIFY(type == DATA_TYPE_BOOLEAN);
5471
5472 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
5473 set_deleg_perm_node(avl, node, who_type, name, locality);
5474 }
5475
5476 return (0);
5477}
5478
5479static inline int
5480parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
5481{
5482 nvpair_t *nvp = NULL;
5483 fs_perm_set_t *fspset = fsperm->fsp_set;
5484
5485 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5486 nvlist_t *nvl2 = NULL;
5487 const char *name = nvpair_name(nvp);
5488 uu_avl_t *avl = NULL;
5489 uu_avl_pool_t *avl_pool = NULL;
5490 zfs_deleg_who_type_t perm_type = name[0];
5491 char perm_locality = name[1];
5492 const char *perm_name = name + 3;
0b7936d5
AS		 5493 who_perm_t *who_perm = NULL;
5494
5495 assert('$' == name[2]);
5496
5497 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5498 return (-1);
5499
5500 switch (perm_type) {
5501 case ZFS_DELEG_CREATE:
5502 case ZFS_DELEG_CREATE_SETS:
5503 case ZFS_DELEG_NAMED_SET:
5504 case ZFS_DELEG_NAMED_SET_SETS:
5505 avl_pool = fspset->fsps_named_set_avl_pool;
5506 avl = fsperm->fsp_sc_avl;
5507 break;
5508 case ZFS_DELEG_USER:
5509 case ZFS_DELEG_USER_SETS:
5510 case ZFS_DELEG_GROUP:
5511 case ZFS_DELEG_GROUP_SETS:
5512 case ZFS_DELEG_EVERYONE:
5513 case ZFS_DELEG_EVERYONE_SETS:
5514 avl_pool = fspset->fsps_who_perm_avl_pool;
5515 avl = fsperm->fsp_uge_avl;
5516 break;
648a09ad 5517
0b7936d5 5518 default:
648a09ad 5519 assert(!"unhandled zfs_deleg_who_type_t");
0b7936d5
AS		 5520 }
5521
1e49b288
BB		 5522 who_perm_node_t *found_node = NULL;
5523 who_perm_node_t *node = safe_malloc(
5524 sizeof (who_perm_node_t));
5525 who_perm = &node->who_perm;
5526 uu_avl_index_t idx = 0;
5527
5528 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
5529 who_perm_init(who_perm, fsperm, perm_type, perm_name);
5530
5531 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5532 == NULL) {
5533 if (avl == fsperm->fsp_uge_avl) {
5534 uid_t rid = 0;
5535 struct passwd *p = NULL;
5536 struct group *g = NULL;
5537 const char *nice_name = NULL;
5538
5539 switch (perm_type) {
5540 case ZFS_DELEG_USER_SETS:
5541 case ZFS_DELEG_USER:
5542 rid = atoi(perm_name);
5543 p = getpwuid(rid);
5544 if (p)
5545 nice_name = p->pw_name;
5546 break;
5547 case ZFS_DELEG_GROUP_SETS:
5548 case ZFS_DELEG_GROUP:
5549 rid = atoi(perm_name);
5550 g = getgrgid(rid);
5551 if (g)
5552 nice_name = g->gr_name;
5553 break;
0b7936d5 5554
1e49b288
BB		 5555 default:
5556 break;
0b7936d5
AS		 5557 }
5558
a8bd6dcf 5559 if (nice_name != NULL) {
1e49b288
BB		 5560 (void) strlcpy(
5561 node->who_perm.who_ug_name,
5562 nice_name, 256);
a8bd6dcf
AG		 5563 } else {
5564 /* User or group unknown */
5565 (void) snprintf(
5566 node->who_perm.who_ug_name,
5567 sizeof (node->who_perm.who_ug_name),
5568 "(unknown: %d)", rid);
5569 }
0b7936d5 5570 }
1e49b288
BB		 5571
5572 uu_avl_insert(avl, node, idx);
5573 } else {
5574 node = found_node;
5575 who_perm = &node->who_perm;
0b7936d5 5576 }
1e49b288
BB		 5577
5578 assert(who_perm != NULL);
0b7936d5
AS		 5579 (void) parse_who_perm(who_perm, nvl2, perm_locality);
5580 }
5581
5582 return (0);
5583}
5584
5585static inline int
5586parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
5587{
5588 nvpair_t *nvp = NULL;
5589 uu_avl_index_t idx = 0;
5590
5591 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5592 nvlist_t *nvl2 = NULL;
5593 const char *fsname = nvpair_name(nvp);
5594 data_type_t type = nvpair_type(nvp);
5595 fs_perm_t *fsperm = NULL;
5596 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
0b7936d5
AS		 5597
5598 fsperm = &node->fspn_fsperm;
5599
5600 VERIFY(DATA_TYPE_NVLIST == type);
5601
5602 uu_list_node_init(node, &node->fspn_list_node,
5603 fspset->fsps_list_pool);
5604
5605 idx = uu_list_numnodes(fspset->fsps_list);
5606 fs_perm_init(fsperm, fspset, fsname);
5607
5608 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5609 return (-1);
5610
5611 (void) parse_fs_perm(fsperm, nvl2);
5612
5613 uu_list_insert(fspset->fsps_list, node, idx);
5614 }
5615
5616 return (0);
5617}
5618
5619static inline const char *
5620deleg_perm_comment(zfs_deleg_note_t note)
5621{
5622 const char *str = "";
5623
5624 /* subcommands */
5625 switch (note) {
5626 /* SUBCOMMANDS */
5627 case ZFS_DELEG_NOTE_ALLOW:
5628 str = gettext("Must also have the permission that is being"
5629 "\n\t\t\t\tallowed");
5630 break;
5631 case ZFS_DELEG_NOTE_CLONE:
5632 str = gettext("Must also have the 'create' ability and 'mount'"
5633 "\n\t\t\t\tability in the origin file system");
5634 break;
5635 case ZFS_DELEG_NOTE_CREATE:
5636 str = gettext("Must also have the 'mount' ability");
5637 break;
5638 case ZFS_DELEG_NOTE_DESTROY:
5639 str = gettext("Must also have the 'mount' ability");
5640 break;
5641 case ZFS_DELEG_NOTE_DIFF:
5642 str = gettext("Allows lookup of paths within a dataset;"
5643 "\n\t\t\t\tgiven an object number. Ordinary users need this"
5644 "\n\t\t\t\tin order to use zfs diff");
5645 break;
5646 case ZFS_DELEG_NOTE_HOLD:
5647 str = gettext("Allows adding a user hold to a snapshot");
5648 break;
5649 case ZFS_DELEG_NOTE_MOUNT:
5650 str = gettext("Allows mount/umount of ZFS datasets");
5651 break;
5652 case ZFS_DELEG_NOTE_PROMOTE:
5653 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
5654 " 'promote' ability in the origin file system");
5655 break;
5656 case ZFS_DELEG_NOTE_RECEIVE:
5657 str = gettext("Must also have the 'mount' and 'create'"
5658 " ability");
5659 break;
5660 case ZFS_DELEG_NOTE_RELEASE:
5661 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
5662 "might destroy the snapshot");
5663 break;
5664 case ZFS_DELEG_NOTE_RENAME:
5665 str = gettext("Must also have the 'mount' and 'create'"
5666 "\n\t\t\t\tability in the new parent");
5667 break;
5668 case ZFS_DELEG_NOTE_ROLLBACK:
5669 str = gettext("");
5670 break;
5671 case ZFS_DELEG_NOTE_SEND:
5672 str = gettext("");
5673 break;
5674 case ZFS_DELEG_NOTE_SHARE:
5675 str = gettext("Allows sharing file systems over NFS or SMB"
5676 "\n\t\t\t\tprotocols");
5677 break;
5678 case ZFS_DELEG_NOTE_SNAPSHOT:
5679 str = gettext("");
5680 break;
b5256303
TC		 5681 case ZFS_DELEG_NOTE_LOAD_KEY:
5682 str = gettext("Allows loading or unloading an encryption key");
5683 break;
5684 case ZFS_DELEG_NOTE_CHANGE_KEY:
5685 str = gettext("Allows changing or adding an encryption key");
5686 break;
0b7936d5
AS		 5687/*
5688 * case ZFS_DELEG_NOTE_VSCAN:
5689 * str = gettext("");
5690 * break;
5691 */
5692 /* OTHER */
5693 case ZFS_DELEG_NOTE_GROUPQUOTA:
5694 str = gettext("Allows accessing any groupquota@... property");
5695 break;
5696 case ZFS_DELEG_NOTE_GROUPUSED:
5697 str = gettext("Allows reading any groupused@... property");
5698 break;
5699 case ZFS_DELEG_NOTE_USERPROP:
5700 str = gettext("Allows changing any user property");
5701 break;
5702 case ZFS_DELEG_NOTE_USERQUOTA:
5703 str = gettext("Allows accessing any userquota@... property");
5704 break;
5705 case ZFS_DELEG_NOTE_USERUSED:
5706 str = gettext("Allows reading any userused@... property");
5707 break;
1de321e6
JX		 5708 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5709 str = gettext("Allows accessing any userobjquota@... property");
5710 break;
5711 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5712 str = gettext("Allows accessing any \n\t\t\t\t"
5713 "groupobjquota@... property");
5714 break;
5715 case ZFS_DELEG_NOTE_GROUPOBJUSED:
5716 str = gettext("Allows reading any groupobjused@... property");
5717 break;
5718 case ZFS_DELEG_NOTE_USEROBJUSED:
5719 str = gettext("Allows reading any userobjused@... property");
5720 break;
9c5167d1
NF		 5721 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5722 str = gettext("Allows accessing any projectquota@... property");
5723 break;
5724 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
5725 str = gettext("Allows accessing any \n\t\t\t\t"
5726 "projectobjquota@... property");
5727 break;
5728 case ZFS_DELEG_NOTE_PROJECTUSED:
5729 str = gettext("Allows reading any projectused@... property");
5730 break;
5731 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5732 str = gettext("Allows accessing any \n\t\t\t\t"
5733 "projectobjused@... property");
5734 break;
0b7936d5
AS		 5735 /* other */
5736 default:
5737 str = "";
5738 }
5739
5740 return (str);
5741}
5742
5743struct allow_opts {
5744 boolean_t local;
5745 boolean_t descend;
5746 boolean_t user;
5747 boolean_t group;
5748 boolean_t everyone;
5749 boolean_t create;
5750 boolean_t set;
5751 boolean_t recursive; /* unallow only */
5752 boolean_t prt_usage;
5753
5754 boolean_t prt_perms;
5755 char *who;
5756 char *perms;
5757 const char *dataset;
5758};
5759
5760static inline int
5761prop_cmp(const void *a, const void *b)
5762{
5763 const char *str1 = *(const char **)a;
5764 const char *str2 = *(const char **)b;
5765 return (strcmp(str1, str2));
5766}
5767
5768static void
5769allow_usage(boolean_t un, boolean_t requested, const char *msg)
5770{
5771 const char *opt_desc[] = {
5772 "-h", gettext("show this help message and exit"),
5773 "-l", gettext("set permission locally"),
5774 "-d", gettext("set permission for descents"),
5775 "-u", gettext("set permission for user"),
5776 "-g", gettext("set permission for group"),
5777 "-e", gettext("set permission for everyone"),
5778 "-c", gettext("set create time permission"),
5779 "-s", gettext("define permission set"),
5780 /* unallow only */
5781 "-r", gettext("remove permissions recursively"),
5782 };
5783 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
5784 size_t allow_size = unallow_size - 2;
5785 const char *props[ZFS_NUM_PROPS];
5786 int i;
5787 size_t count = 0;
5788 FILE *fp = requested ? stdout : stderr;
5789 zprop_desc_t *pdtbl = zfs_prop_get_table();
5790 const char *fmt = gettext("%-16s %-14s\t%s\n");
5791
5792 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
5793 HELP_ALLOW));
5794 (void) fprintf(fp, gettext("Options:\n"));
010782be 5795 for (i = 0; i < (un ? unallow_size : allow_size); i += 2) {
5796 const char *opt = opt_desc[i];
5797 const char *optdsc = opt_desc[i + 1];
0b7936d5
AS		 5798 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
5799 }
5800
5801 (void) fprintf(fp, gettext("\nThe following permissions are "
5802 "supported:\n\n"));
5803 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
5804 gettext("NOTES"));
5805 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
5806 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
5807 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
5808 const char *perm_type = deleg_perm_type(perm_note);
5809 const char *perm_comment = deleg_perm_comment(perm_note);
5810 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
5811 }
5812
5813 for (i = 0; i < ZFS_NUM_PROPS; i++) {
5814 zprop_desc_t *pd = &pdtbl[i];
5815 if (pd->pd_visible != B_TRUE)
5816 continue;
5817
5818 if (pd->pd_attr == PROP_READONLY)
5819 continue;
5820
5821 props[count++] = pd->pd_name;
5822 }
5823 props[count] = NULL;
5824
5825 qsort(props, count, sizeof (char *), prop_cmp);
5826
5827 for (i = 0; i < count; i++)
5828 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
5829
5830 if (msg != NULL)
5831 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
5832
5833 exit(requested ? 0 : 2);
5834}
5835
5836static inline const char *
5837munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
5838 char **permsp)
5839{
5840 if (un && argc == expected_argc - 1)
5841 *permsp = NULL;
5842 else if (argc == expected_argc)
5843 *permsp = argv[argc - 2];
5844 else
5845 allow_usage(un, B_FALSE,
5846 gettext("wrong number of parameters\n"));
5847
5848 return (argv[argc - 1]);
5849}
5850
5851static void
5852parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
5853{
5854 int uge_sum = opts->user + opts->group + opts->everyone;
5855 int csuge_sum = opts->create + opts->set + uge_sum;
5856 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
5857 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
5858
5859 if (uge_sum > 1)
5860 allow_usage(un, B_FALSE,
5861 gettext("-u, -g, and -e are mutually exclusive\n"));
5862
5863 if (opts->prt_usage) {
5864 if (argc == 0 && all_sum == 0)
5865 allow_usage(un, B_TRUE, NULL);
5866 else
5867 usage(B_FALSE);
5868 }
5869
5870 if (opts->set) {
5871 if (csuge_sum > 1)
5872 allow_usage(un, B_FALSE,
5873 gettext("invalid options combined with -s\n"));
5874
5875 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5876 if (argv[0][0] != '@')
5877 allow_usage(un, B_FALSE,
5878 gettext("invalid set name: missing '@' prefix\n"));
5879 opts->who = argv[0];
5880 } else if (opts->create) {
5881 if (ldcsuge_sum > 1)
5882 allow_usage(un, B_FALSE,
5883 gettext("invalid options combined with -c\n"));
5884 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5885 } else if (opts->everyone) {
5886 if (csuge_sum > 1)
5887 allow_usage(un, B_FALSE,
5888 gettext("invalid options combined with -e\n"));
5889 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5890 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
5891 == 0) {
5892 opts->everyone = B_TRUE;
5893 argc--;
5894 argv++;
5895 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
79e72243 5896 } else if (argc == 1 && !un) {
0b7936d5
AS		 5897 opts->prt_perms = B_TRUE;
5898 opts->dataset = argv[argc-1];
5899 } else {
5900 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5901 opts->who = argv[0];
5902 }
5903
5904 if (!opts->local && !opts->descend) {
5905 opts->local = B_TRUE;
5906 opts->descend = B_TRUE;
5907 }
5908}
5909
5910static void
5911store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
5912 const char *who, char *perms, nvlist_t *top_nvl)
5913{
5914 int i;
5915 char ld[2] = { '\0', '\0' };
eca7b760 5916 char who_buf[MAXNAMELEN + 32];
648a09ad
BB		 5917 char base_type = '\0';
5918 char set_type = '\0';
0b7936d5
AS		 5919 nvlist_t *base_nvl = NULL;
5920 nvlist_t *set_nvl = NULL;
5921 nvlist_t *nvl;
5922
5923 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
5924 nomem();
5925 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
5926 nomem();
5927
5928 switch (type) {
5929 case ZFS_DELEG_NAMED_SET_SETS:
5930 case ZFS_DELEG_NAMED_SET:
5931 set_type = ZFS_DELEG_NAMED_SET_SETS;
5932 base_type = ZFS_DELEG_NAMED_SET;
5933 ld[0] = ZFS_DELEG_NA;
5934 break;
5935 case ZFS_DELEG_CREATE_SETS:
5936 case ZFS_DELEG_CREATE:
5937 set_type = ZFS_DELEG_CREATE_SETS;
5938 base_type = ZFS_DELEG_CREATE;
5939 ld[0] = ZFS_DELEG_NA;
5940 break;
5941 case ZFS_DELEG_USER_SETS:
5942 case ZFS_DELEG_USER:
5943 set_type = ZFS_DELEG_USER_SETS;
5944 base_type = ZFS_DELEG_USER;
5945 if (local)
5946 ld[0] = ZFS_DELEG_LOCAL;
5947 if (descend)
5948 ld[1] = ZFS_DELEG_DESCENDENT;
5949 break;
5950 case ZFS_DELEG_GROUP_SETS:
5951 case ZFS_DELEG_GROUP:
5952 set_type = ZFS_DELEG_GROUP_SETS;
5953 base_type = ZFS_DELEG_GROUP;
5954 if (local)
5955 ld[0] = ZFS_DELEG_LOCAL;
5956 if (descend)
5957 ld[1] = ZFS_DELEG_DESCENDENT;
5958 break;
5959 case ZFS_DELEG_EVERYONE_SETS:
5960 case ZFS_DELEG_EVERYONE:
5961 set_type = ZFS_DELEG_EVERYONE_SETS;
5962 base_type = ZFS_DELEG_EVERYONE;
5963 if (local)
5964 ld[0] = ZFS_DELEG_LOCAL;
5965 if (descend)
5966 ld[1] = ZFS_DELEG_DESCENDENT;
0b7936d5 5967 break;
648a09ad
BB		 5968
5969 default:
5970 assert(set_type != '\0' && base_type != '\0');
0b7936d5
AS		 5971 }
5972
5973 if (perms != NULL) {
5974 char *curr = perms;
5975 char *end = curr + strlen(perms);
5976
5977 while (curr < end) {
5978 char *delim = strchr(curr, ',');
5979 if (delim == NULL)
5980 delim = end;
5981 else
5982 *delim = '\0';
5983
5984 if (curr[0] == '@')
5985 nvl = set_nvl;
5986 else
5987 nvl = base_nvl;
5988
5989 (void) nvlist_add_boolean(nvl, curr);
5990 if (delim != end)
5991 *delim = ',';
5992 curr = delim + 1;
5993 }
5994
5995 for (i = 0; i < 2; i++) {
5996 char locality = ld[i];
5997 if (locality == 0)
5998 continue;
5999
6000 if (!nvlist_empty(base_nvl)) {
6001 if (who != NULL)
6002 (void) snprintf(who_buf,
6003 sizeof (who_buf), "%c%c$%s",
6004 base_type, locality, who);
6005 else
6006 (void) snprintf(who_buf,
6007 sizeof (who_buf), "%c%c$",
6008 base_type, locality);
6009
6010 (void) nvlist_add_nvlist(top_nvl, who_buf,
6011 base_nvl);
6012 }
6013
6014
6015 if (!nvlist_empty(set_nvl)) {
6016 if (who != NULL)
6017 (void) snprintf(who_buf,
6018 sizeof (who_buf), "%c%c$%s",
6019 set_type, locality, who);
6020 else
6021 (void) snprintf(who_buf,
6022 sizeof (who_buf), "%c%c$",
6023 set_type, locality);
6024
6025 (void) nvlist_add_nvlist(top_nvl, who_buf,
6026 set_nvl);
6027 }
6028 }
6029 } else {
6030 for (i = 0; i < 2; i++) {
6031 char locality = ld[i];
6032 if (locality == 0)
6033 continue;
6034
6035 if (who != NULL)
6036 (void) snprintf(who_buf, sizeof (who_buf),
6037 "%c%c$%s", base_type, locality, who);
6038 else
6039 (void) snprintf(who_buf, sizeof (who_buf),
6040 "%c%c$", base_type, locality);
6041 (void) nvlist_add_boolean(top_nvl, who_buf);
6042
6043 if (who != NULL)
6044 (void) snprintf(who_buf, sizeof (who_buf),
6045 "%c%c$%s", set_type, locality, who);
6046 else
6047 (void) snprintf(who_buf, sizeof (who_buf),
6048 "%c%c$", set_type, locality);
6049 (void) nvlist_add_boolean(top_nvl, who_buf);
6050 }
6051 }
6052}
6053
6054static int
6055construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
6056{
6057 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
6058 nomem();
6059
6060 if (opts->set) {
6061 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
6062 opts->descend, opts->who, opts->perms, *nvlp);
6063 } else if (opts->create) {
6064 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
6065 opts->descend, NULL, opts->perms, *nvlp);
6066 } else if (opts->everyone) {
6067 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
6068 opts->descend, NULL, opts->perms, *nvlp);
6069 } else {
6070 char *curr = opts->who;
6071 char *end = curr + strlen(curr);
6072
6073 while (curr < end) {
6074 const char *who;
4c069d34 6075 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 6076 char *endch;
6077 char *delim = strchr(curr, ',');
6078 char errbuf[256];
6079 char id[64];
6080 struct passwd *p = NULL;
6081 struct group *g = NULL;
6082
6083 uid_t rid;
6084 if (delim == NULL)
6085 delim = end;
6086 else
6087 *delim = '\0';
6088
6089 rid = (uid_t)strtol(curr, &endch, 0);
6090 if (opts->user) {
6091 who_type = ZFS_DELEG_USER;
6092 if (*endch != '\0')
6093 p = getpwnam(curr);
6094 else
6095 p = getpwuid(rid);
6096
6097 if (p != NULL)
6098 rid = p->pw_uid;
a8bd6dcf 6099 else if (*endch != '\0') {
6052060c
AH		 6100 (void) snprintf(errbuf, sizeof (errbuf),
6101 gettext("invalid user %s\n"), curr);
0b7936d5
AS		 6102 allow_usage(un, B_TRUE, errbuf);
6103 }
6104 } else if (opts->group) {
6105 who_type = ZFS_DELEG_GROUP;
6106 if (*endch != '\0')
6107 g = getgrnam(curr);
6108 else
6109 g = getgrgid(rid);
6110
6111 if (g != NULL)
6112 rid = g->gr_gid;
a8bd6dcf 6113 else if (*endch != '\0') {
6052060c
AH		 6114 (void) snprintf(errbuf, sizeof (errbuf),
6115 gettext("invalid group %s\n"),
6116 curr);
0b7936d5
AS		 6117 allow_usage(un, B_TRUE, errbuf);
6118 }
6119 } else {
6120 if (*endch != '\0') {
6121 p = getpwnam(curr);
6122 } else {
6123 p = getpwuid(rid);
6124 }
6125
6126 if (p == NULL) {
6127 if (*endch != '\0') {
6128 g = getgrnam(curr);
6129 } else {
6130 g = getgrgid(rid);
6131 }
6132 }
6133
6134 if (p != NULL) {
6135 who_type = ZFS_DELEG_USER;
6136 rid = p->pw_uid;
6137 } else if (g != NULL) {
6138 who_type = ZFS_DELEG_GROUP;
6139 rid = g->gr_gid;
6140 } else {
6052060c
AH		 6141 (void) snprintf(errbuf, sizeof (errbuf),
6142 gettext("invalid user/group %s\n"),
6143 curr);
0b7936d5
AS		 6144 allow_usage(un, B_TRUE, errbuf);
6145 }
6146 }
6147
6148 (void) sprintf(id, "%u", rid);
6149 who = id;
6150
6151 store_allow_perm(who_type, opts->local,
6152 opts->descend, who, opts->perms, *nvlp);
6153 curr = delim + 1;
6154 }
6155 }
6156
6157 return (0);
6158}
6159
6160static void
6161print_set_creat_perms(uu_avl_t *who_avl)
6162{
6163 const char *sc_title[] = {
6164 gettext("Permission sets:\n"),
6165 gettext("Create time permissions:\n"),
6166 NULL
6167 };
0b7936d5
AS		 6168 who_perm_node_t *who_node = NULL;
6169 int prev_weight = -1;
6170
6171 for (who_node = uu_avl_first(who_avl); who_node != NULL;
6172 who_node = uu_avl_next(who_avl, who_node)) {
6173 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6174 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6175 const char *who_name = who_node->who_perm.who_name;
6176 int weight = who_type2weight(who_type);
6177 boolean_t first = B_TRUE;
6178 deleg_perm_node_t *deleg_node;
6179
6180 if (prev_weight != weight) {
0238a975 6181 (void) printf("%s", sc_title[weight]);
0b7936d5
AS		 6182 prev_weight = weight;
6183 }
6184
6185 if (who_name == NULL || strnlen(who_name, 1) == 0)
6186 (void) printf("\t");
6187 else
6188 (void) printf("\t%s ", who_name);
6189
6190 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
6191 deleg_node = uu_avl_next(avl, deleg_node)) {
6192 if (first) {
6193 (void) printf("%s",
6194 deleg_node->dpn_perm.dp_name);
6195 first = B_FALSE;
6196 } else
6197 (void) printf(",%s",
6198 deleg_node->dpn_perm.dp_name);
6199 }
6200
6201 (void) printf("\n");
6202 }
6203}
34dc7c2f 6204
648a09ad 6205static void
0b7936d5
AS		 6206print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
6207 const char *title)
6208{
6209 who_perm_node_t *who_node = NULL;
6210 boolean_t prt_title = B_TRUE;
6211 uu_avl_walk_t *walk;
34dc7c2f 6212
0b7936d5
AS		 6213 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
6214 nomem();
34dc7c2f 6215
0b7936d5
AS		 6216 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
6217 const char *who_name = who_node->who_perm.who_name;
6218 const char *nice_who_name = who_node->who_perm.who_ug_name;
6219 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6220 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6221 char delim = ' ';
6222 deleg_perm_node_t *deleg_node;
6223 boolean_t prt_who = B_TRUE;
6224
6225 for (deleg_node = uu_avl_first(avl);
6226 deleg_node != NULL;
6227 deleg_node = uu_avl_next(avl, deleg_node)) {
6228 if (local != deleg_node->dpn_perm.dp_local ||
6229 descend != deleg_node->dpn_perm.dp_descend)
6230 continue;
6231
6232 if (prt_who) {
6233 const char *who = NULL;
6234 if (prt_title) {
6235 prt_title = B_FALSE;
29b35200 6236 (void) printf("%s", title);
0b7936d5
AS		 6237 }
6238
6239 switch (who_type) {
6240 case ZFS_DELEG_USER_SETS:
6241 case ZFS_DELEG_USER:
6242 who = gettext("user");
6243 if (nice_who_name)
6244 who_name = nice_who_name;
6245 break;
6246 case ZFS_DELEG_GROUP_SETS:
6247 case ZFS_DELEG_GROUP:
6248 who = gettext("group");
6249 if (nice_who_name)
6250 who_name = nice_who_name;
6251 break;
6252 case ZFS_DELEG_EVERYONE_SETS:
6253 case ZFS_DELEG_EVERYONE:
6254 who = gettext("everyone");
6255 who_name = NULL;
0b7936d5 6256 break;
648a09ad
BB		 6257
6258 default:
6259 assert(who != NULL);
0b7936d5
AS		 6260 }
6261
6262 prt_who = B_FALSE;
6263 if (who_name == NULL)
6264 (void) printf("\t%s", who);
6265 else
6266 (void) printf("\t%s %s", who, who_name);
34dc7c2f 6267 }
0b7936d5
AS		 6268
6269 (void) printf("%c%s", delim,
6270 deleg_node->dpn_perm.dp_name);
6271 delim = ',';
34dc7c2f 6272 }
34dc7c2f 6273
0b7936d5
AS		 6274 if (!prt_who)
6275 (void) printf("\n");
6276 }
428870ff 6277
0b7936d5
AS		 6278 uu_avl_walk_end(walk);
6279}
34dc7c2f 6280
0b7936d5
AS		 6281static void
6282print_fs_perms(fs_perm_set_t *fspset)
6283{
6284 fs_perm_node_t *node = NULL;
eca7b760 6285 char buf[MAXNAMELEN + 32];
0b7936d5
AS		 6286 const char *dsname = buf;
6287
6288 for (node = uu_list_first(fspset->fsps_list); node != NULL;
6289 node = uu_list_next(fspset->fsps_list, node)) {
6290 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
6291 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
6292 int left = 0;
6293
eca7b760 6294 (void) snprintf(buf, sizeof (buf),
0b7936d5
AS		 6295 gettext("---- Permissions on %s "),
6296 node->fspn_fsperm.fsp_name);
29b35200 6297 (void) printf("%s", dsname);
0b7936d5
AS		 6298 left = 70 - strlen(buf);
6299 while (left-- > 0)
6300 (void) printf("-");
6301 (void) printf("\n");
6302
6303 print_set_creat_perms(sc_avl);
6304 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
6305 gettext("Local permissions:\n"));
6306 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
6307 gettext("Descendent permissions:\n"));
6308 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
6309 gettext("Local+Descendent permissions:\n"));
428870ff 6310 }
0b7936d5 6311}
34dc7c2f 6312
0b7936d5
AS		 6313static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
6314
6315struct deleg_perms {
6316 boolean_t un;
6317 nvlist_t *nvl;
6318};
6319
6320static int
6321set_deleg_perms(zfs_handle_t *zhp, void *data)
6322{
6323 struct deleg_perms *perms = (struct deleg_perms *)data;
6324 zfs_type_t zfs_type = zfs_get_type(zhp);
6325
6326 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
6327 return (0);
6328
6329 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 6330}
6331
34dc7c2f 6332static int
0b7936d5 6333zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 6334{
0b7936d5
AS		 6335 zfs_handle_t *zhp;
6336 nvlist_t *perm_nvl = NULL;
6337 nvlist_t *update_perm_nvl = NULL;
6338 int error = 1;
6339 int c;
6340 struct allow_opts opts = { 0 };
34dc7c2f 6341
0b7936d5
AS		 6342 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
6343
6344 /* check opts */
6345 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 6346 switch (c) {
0b7936d5
AS		 6347 case 'l':
6348 opts.local = B_TRUE;
6349 break;
34dc7c2f 6350 case 'd':
0b7936d5 6351 opts.descend = B_TRUE;
34dc7c2f 6352 break;
0b7936d5
AS		 6353 case 'u':
6354 opts.user = B_TRUE;
428870ff 6355 break;
0b7936d5
AS		 6356 case 'g':
6357 opts.group = B_TRUE;
34dc7c2f 6358 break;
0b7936d5
AS		 6359 case 'e':
6360 opts.everyone = B_TRUE;
d164b209 6361 break;
0b7936d5
AS		 6362 case 's':
6363 opts.set = B_TRUE;
34dc7c2f 6364 break;
0b7936d5
AS		 6365 case 'c':
6366 opts.create = B_TRUE;
6367 break;
6368 case 'r':
6369 opts.recursive = B_TRUE;
34dc7c2f
BB		 6370 break;
6371 case ':':
6372 (void) fprintf(stderr, gettext("missing argument for "
6373 "'%c' option\n"), optopt);
6374 usage(B_FALSE);
6375 break;
0b7936d5
AS		 6376 case 'h':
6377 opts.prt_usage = B_TRUE;
6378 break;
34dc7c2f
BB		 6379 case '?':
6380 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6381 optopt);
6382 usage(B_FALSE);
6383 }
6384 }
6385
6386 argc -= optind;
6387 argv += optind;
6388
0b7936d5
AS		 6389 /* check arguments */
6390 parse_allow_args(argc, argv, un, &opts);
6391
6392 /* try to open the dataset */
684e8c06
AE		 6393 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
6394 ZFS_TYPE_VOLUME)) == NULL) {
6395 (void) fprintf(stderr, "Failed to open dataset: %s\n",
0b7936d5
AS		 6396 opts.dataset);
6397 return (-1);
34dc7c2f 6398 }
0b7936d5
AS		 6399
6400 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
6401 goto cleanup2;
6402
6403 fs_perm_set_init(&fs_perm_set);
6404 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
684e8c06 6405 (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
0b7936d5 6406 goto cleanup1;
34dc7c2f
BB		 6407 }
6408
0b7936d5
AS		 6409 if (opts.prt_perms)
6410 print_fs_perms(&fs_perm_set);
6411 else {
6412 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
6413 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
6414 goto cleanup0;
6415
6416 if (un && opts.recursive) {
6417 struct deleg_perms data = { un, update_perm_nvl };
baca06c2 6418 if (zfs_iter_filesystems_v2(zhp, 0, set_deleg_perms,
0b7936d5
AS		 6419 &data) != 0)
6420 goto cleanup0;
6421 }
34dc7c2f
BB		 6422 }
6423
0b7936d5 6424 error = 0;
34dc7c2f 6425
0b7936d5
AS		 6426cleanup0:
6427 nvlist_free(perm_nvl);
8a5fc748 6428 nvlist_free(update_perm_nvl);
0b7936d5
AS		 6429cleanup1:
6430 fs_perm_set_fini(&fs_perm_set);
6431cleanup2:
6432 zfs_close(zhp);
6433
6434 return (error);
6435}
6436
0b7936d5
AS		 6437static int
6438zfs_do_allow(int argc, char **argv)
6439{
6440 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
6441}
6442
0b7936d5
AS		 6443static int
6444zfs_do_unallow(int argc, char **argv)
6445{
6446 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 6447}
6448
45d1cae3
BB		 6449static int
6450zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
6451{
6452 int errors = 0;
6453 int i;
6454 const char *tag;
6455 boolean_t recursive = B_FALSE;
428870ff 6456 const char *opts = holding ? "rt" : "r";
45d1cae3 6457 int c;
45d1cae3
BB		 6458
6459 /* check options */
428870ff 6460 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 6461 switch (c) {
6462 case 'r':
6463 recursive = B_TRUE;
6464 break;
6465 case '?':
6466 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6467 optopt);
6468 usage(B_FALSE);
6469 }
6470 }
6471
6472 argc -= optind;
6473 argv += optind;
6474
6475 /* check number of arguments */
6476 if (argc < 2)
6477 usage(B_FALSE);
6478
6479 tag = argv[0];
6480 --argc;
6481 ++argv;
6482
428870ff
BB		 6483 if (holding && tag[0] == '.') {
6484 /* tags starting with '.' are reserved for libzfs */
6485 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
6486 usage(B_FALSE);
45d1cae3
BB		 6487 }
6488
6489 for (i = 0; i < argc; ++i) {
6490 zfs_handle_t *zhp;
eca7b760 6491 char parent[ZFS_MAX_DATASET_NAME_LEN];
45d1cae3
BB		 6492 const char *delim;
6493 char *path = argv[i];
6494
6495 delim = strchr(path, '@');
6496 if (delim == NULL) {
6497 (void) fprintf(stderr,
6498 gettext("'%s' is not a snapshot\n"), path);
6499 ++errors;
6500 continue;
6501 }
7584fbe8
RY		 6502 (void) strlcpy(parent, path, MIN(sizeof (parent),
6503 delim - path + 1));
45d1cae3
BB		 6504
6505 zhp = zfs_open(g_zfs, parent,
6506 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
6507 if (zhp == NULL) {
6508 ++errors;
6509 continue;
6510 }
428870ff 6511 if (holding) {
95fd54a1 6512 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
428870ff
BB		 6513 ++errors;
6514 } else {
6515 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
6516 ++errors;
6517 }
45d1cae3
BB		 6518 zfs_close(zhp);
6519 }
6520
6521 return (errors != 0);
6522}
6523
6524/*
428870ff 6525 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 6526 *
428870ff 6527 * -r Recursively hold
45d1cae3
BB		 6528 *
6529 * Apply a user-hold with the given tag to the list of snapshots.
6530 */
6531static int
6532zfs_do_hold(int argc, char **argv)
6533{
6534 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
6535}
6536
6537/*
6538 * zfs release [-r] <tag> <snap> ...
6539 *
428870ff 6540 * -r Recursively release
45d1cae3
BB		 6541 *
6542 * Release a user-hold with the given tag from the list of snapshots.
6543 */
6544static int
6545zfs_do_release(int argc, char **argv)
6546{
6547 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
6548}
6549
0b7936d5
AS		 6550typedef struct holds_cbdata {
6551 boolean_t cb_recursive;
6552 const char *cb_snapname;
6553 nvlist_t **cb_nvlp;
6554 size_t cb_max_namelen;
6555 size_t cb_max_taglen;
6556} holds_cbdata_t;
6557
1d2ddb9b 6558#define STRFTIME_FMT_STR "%a %b %e %H:%M %Y"
0b7936d5
AS		 6559#define DATETIME_BUF_LEN (32)
6560/*
6561 *
6562 */
6563static void
41715771
MT		 6564print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl,
6565 boolean_t parsable)
0b7936d5
AS		 6566{
6567 int i;
6568 nvpair_t *nvp = NULL;
a926aab9 6569 const char *const hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
0b7936d5
AS		 6570 const char *col;
6571
6572 if (!scripted) {
6573 for (i = 0; i < 3; i++) {
6574 col = gettext(hdr_cols[i]);
6575 if (i < 2)
6576 (void) printf("%-*s ", i ? tagwidth : nwidth,
6577 col);
6578 else
6579 (void) printf("%s\n", col);
6580 }
6581 }
6582
6583 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
d1807f16 6584 const char *zname = nvpair_name(nvp);
0b7936d5
AS		 6585 nvlist_t *nvl2;
6586 nvpair_t *nvp2 = NULL;
6587 (void) nvpair_value_nvlist(nvp, &nvl2);
6588 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
6589 char tsbuf[DATETIME_BUF_LEN];
dd66857d 6590 const char *tagname = nvpair_name(nvp2);
0b7936d5
AS		 6591 uint64_t val = 0;
6592 time_t time;
6593 struct tm t;
0b7936d5
AS		 6594
6595 (void) nvpair_value_uint64(nvp2, &val);
6596 time = (time_t)val;
6597 (void) localtime_r(&time, &t);
6598 (void) strftime(tsbuf, DATETIME_BUF_LEN,
6599 gettext(STRFTIME_FMT_STR), &t);
6600
6bc4a237 6601 if (scripted) {
41715771
MT		 6602 if (parsable) {
6603 (void) printf("%s\t%s\t%ld\n", zname,
6604 tagname, time);
6605 } else {
6606 (void) printf("%s\t%s\t%s\n", zname,
6607 tagname, tsbuf);
6608 }
6bc4a237 6609 } else {
41715771
MT		 6610 if (parsable) {
6611 (void) printf("%-*s %-*s %ld\n",
6612 nwidth, zname, tagwidth,
6613 tagname, time);
6614 } else {
6615 (void) printf("%-*s %-*s %s\n",
6616 nwidth, zname, tagwidth,
6617 tagname, tsbuf);
6618 }
6bc4a237 6619 }
0b7936d5
AS		 6620 }
6621 }
6622}
6623
6624/*
6625 * Generic callback function to list a dataset or snapshot.
6626 */
6627static int
6628holds_callback(zfs_handle_t *zhp, void *data)
6629{
6630 holds_cbdata_t *cbp = data;
6631 nvlist_t *top_nvl = *cbp->cb_nvlp;
6632 nvlist_t *nvl = NULL;
6633 nvpair_t *nvp = NULL;
6634 const char *zname = zfs_get_name(zhp);
eca7b760 6635 size_t znamelen = strlen(zname);
0b7936d5
AS		 6636
6637 if (cbp->cb_recursive) {
6638 const char *snapname;
6639 char *delim = strchr(zname, '@');
6640 if (delim == NULL)
6641 return (0);
6642
6643 snapname = delim + 1;
6644 if (strcmp(cbp->cb_snapname, snapname))
6645 return (0);
6646 }
6647
6648 if (zfs_get_holds(zhp, &nvl) != 0)
6649 return (-1);
6650
6651 if (znamelen > cbp->cb_max_namelen)
6652 cbp->cb_max_namelen = znamelen;
6653
6654 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
6655 const char *tag = nvpair_name(nvp);
eca7b760 6656 size_t taglen = strlen(tag);
0b7936d5
AS		 6657 if (taglen > cbp->cb_max_taglen)
6658 cbp->cb_max_taglen = taglen;
6659 }
6660
6661 return (nvlist_add_nvlist(top_nvl, zname, nvl));
6662}
6663
6664/*
41715771 6665 * zfs holds [-rHp] <snap> ...
0b7936d5 6666 *
a9d6270a 6667 * -r Lists holds that are set on the named snapshots recursively.
6668 * -H Scripted mode; elide headers and separate columns by tabs.
41715771 6669 * -p Display values in parsable (literal) format.
0b7936d5
AS		 6670 */
6671static int
6672zfs_do_holds(int argc, char **argv)
6673{
0b7936d5 6674 int c;
55d36e47 6675 boolean_t errors = B_FALSE;
0b7936d5
AS		 6676 boolean_t scripted = B_FALSE;
6677 boolean_t recursive = B_FALSE;
41715771 6678 boolean_t parsable = B_FALSE;
0b7936d5
AS		 6679
6680 int types = ZFS_TYPE_SNAPSHOT;
6681 holds_cbdata_t cb = { 0 };
6682
6683 int limit = 0;
ad60af8e 6684 int ret = 0;
0b7936d5
AS		 6685 int flags = 0;
6686
6687 /* check options */
41715771 6688 while ((c = getopt(argc, argv, "rHp")) != -1) {
0b7936d5
AS		 6689 switch (c) {
6690 case 'r':
6691 recursive = B_TRUE;
6692 break;
6693 case 'H':
6694 scripted = B_TRUE;
6695 break;
41715771
MT		 6696 case 'p':
6697 parsable = B_TRUE;
6698 break;
0b7936d5
AS		 6699 case '?':
6700 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6701 optopt);
6702 usage(B_FALSE);
6703 }
6704 }
6705
6706 if (recursive) {
6707 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
6708 flags |= ZFS_ITER_RECURSE;
6709 }
6710
6711 argc -= optind;
6712 argv += optind;
6713
6714 /* check number of arguments */
6715 if (argc < 1)
6716 usage(B_FALSE);
6717
55d36e47 6718 nvlist_t *nvl = fnvlist_alloc();
0b7936d5 6719
55d36e47 6720 for (int i = 0; i < argc; ++i) {
0b7936d5
AS		 6721 char *snapshot = argv[i];
6722 const char *delim;
6723 const char *snapname;
6724
6725 delim = strchr(snapshot, '@');
6726 if (delim == NULL) {
6727 (void) fprintf(stderr,
6728 gettext("'%s' is not a snapshot\n"), snapshot);
55d36e47 6729 errors = B_TRUE;
0b7936d5
AS		 6730 continue;
6731 }
6732 snapname = delim + 1;
6733 if (recursive)
6734 snapshot[delim - snapshot] = '\0';
6735
6736 cb.cb_recursive = recursive;
6737 cb.cb_snapname = snapname;
6738 cb.cb_nvlp = &nvl;
6739
6740 /*
6741 * 1. collect holds data, set format options
6742 */
2a70a090 6743 ret = zfs_for_each(1, argv + i, flags, types, NULL, NULL, limit,
0b7936d5
AS		 6744 holds_callback, &cb);
6745 if (ret != 0)
55d36e47 6746 errors = B_TRUE;
0b7936d5
AS		 6747 }
6748
6749 /*
6750 * 2. print holds data
6751 */
41715771
MT		 6752 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl,
6753 parsable);
0b7936d5
AS		 6754
6755 if (nvlist_empty(nvl))
42cb3819 6756 (void) fprintf(stderr, gettext("no datasets available\n"));
0b7936d5
AS		 6757
6758 nvlist_free(nvl);
6759
55d36e47 6760 return (errors);
0b7936d5
AS		 6761}
6762
34dc7c2f
BB		 6763#define CHECK_SPINNER 30
6764#define SPINNER_TIME 3 /* seconds */
a10d50f9
SR		 6765#define MOUNT_TIME 1 /* seconds */
6766
6767typedef struct get_all_state {
a100a195
US		 6768 char **ga_datasets;
6769 int ga_count;
a10d50f9
SR		 6770 boolean_t ga_verbose;
6771 get_all_cb_t *ga_cbp;
6772} get_all_state_t;
34dc7c2f
BB		 6773
6774static int
6775get_one_dataset(zfs_handle_t *zhp, void *data)
6776{
a926aab9 6777 static const char *const spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 6778 static int spinval = 0;
6779 static int spincheck = 0;
6780 static time_t last_spin_time = (time_t)0;
a10d50f9 6781 get_all_state_t *state = data;
34dc7c2f
BB		 6782 zfs_type_t type = zfs_get_type(zhp);
6783
a10d50f9 6784 if (state->ga_verbose) {
34dc7c2f
BB		 6785 if (--spincheck < 0) {
6786 time_t now = time(NULL);
6787 if (last_spin_time + SPINNER_TIME < now) {
428870ff 6788 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 6789 last_spin_time = now;
6790 }
6791 spincheck = CHECK_SPINNER;
6792 }
6793 }
6794
6795 /*
254255f7 6796 * Iterate over any nested datasets.
34dc7c2f 6797 */
baca06c2 6798 if (zfs_iter_filesystems_v2(zhp, 0, get_one_dataset, data) != 0) {
34dc7c2f
BB		 6799 zfs_close(zhp);
6800 return (1);
6801 }
6802
6803 /*
6804 * Skip any datasets whose type does not match.
6805 */
572e2857 6806 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 6807 zfs_close(zhp);
6808 return (0);
6809 }
a10d50f9
SR		 6810 libzfs_add_handle(state->ga_cbp, zhp);
6811 assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc);
34dc7c2f
BB		 6812
6813 return (0);
6814}
6815
a100a195
US		 6816static int
6817get_recursive_datasets(zfs_handle_t *zhp, void *data)
34dc7c2f 6818{
a100a195
US		 6819 get_all_state_t *state = data;
6820 int len = strlen(zfs_get_name(zhp));
6821 for (int i = 0; i < state->ga_count; ++i) {
6822 if (strcmp(state->ga_datasets[i], zfs_get_name(zhp)) == 0)
6823 return (get_one_dataset(zhp, data));
6824 else if ((strncmp(state->ga_datasets[i], zfs_get_name(zhp),
6825 len) == 0) && state->ga_datasets[i][len] == '/') {
6826 (void) zfs_iter_filesystems_v2(zhp, 0,
6827 get_recursive_datasets, data);
6828 }
6829 }
6830 zfs_close(zhp);
6831 return (0);
6832}
34dc7c2f 6833
a100a195
US		 6834static void
6835get_all_datasets(get_all_state_t *state)
6836{
6837 if (state->ga_verbose)
428870ff 6838 set_progress_header(gettext("Reading ZFS config"));
a100a195
US		 6839 if (state->ga_datasets == NULL)
6840 (void) zfs_iter_root(g_zfs, get_one_dataset, state);
6841 else
6842 (void) zfs_iter_root(g_zfs, get_recursive_datasets, state);
34dc7c2f 6843
a100a195 6844 if (state->ga_verbose)
428870ff 6845 finish_progress(gettext("done."));
34dc7c2f
BB		 6846}
6847
34dc7c2f
BB		 6848/*
6849 * Generic callback for sharing or mounting filesystems. Because the code is so
6850 * similar, we have a common function with an extra parameter to determine which
6851 * mode we are using.
6852 */
a10d50f9
SR		 6853typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t;
6854
6855typedef struct share_mount_state {
6856 share_mount_op_t sm_op;
6857 boolean_t sm_verbose;
6858 int sm_flags;
6859 char *sm_options;
b4d9a82f 6860 enum sa_protocol sm_proto; /* only valid for OP_SHARE */
a10d50f9
SR		 6861 pthread_mutex_t sm_lock; /* protects the remaining fields */
6862 uint_t sm_total; /* number of filesystems to process */
6863 uint_t sm_done; /* number of filesystems processed */
6864 int sm_status; /* -1 if any of the share/mount operations failed */
6865} share_mount_state_t;
34dc7c2f
BB		 6866
6867/*
6868 * Share or mount a dataset.
6869 */
6870static int
b4d9a82f 6871share_mount_one(zfs_handle_t *zhp, int op, int flags, enum sa_protocol protocol,
34dc7c2f
BB		 6872 boolean_t explicit, const char *options)
6873{
6874 char mountpoint[ZFS_MAXPROPLEN];
6875 char shareopts[ZFS_MAXPROPLEN];
6876 char smbshareopts[ZFS_MAXPROPLEN];
6877 const char *cmdname = op == OP_SHARE ? "share" : "mount";
6878 struct mnttab mnt;
6879 uint64_t zoned, canmount;
34dc7c2f
BB		 6880 boolean_t shared_nfs, shared_smb;
6881
572e2857 6882 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 6883
572e2857
BB		 6884 /*
6885 * Check to make sure we can mount/share this dataset. If we
6886 * are in the global zone and the filesystem is exported to a
6887 * local zone, or if we are in a local zone and the
6888 * filesystem is not exported, then it is an error.
6889 */
6890 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 6891
572e2857
BB		 6892 if (zoned && getzoneid() == GLOBAL_ZONEID) {
6893 if (!explicit)
6894 return (0);
34dc7c2f 6895
572e2857
BB		 6896 (void) fprintf(stderr, gettext("cannot %s '%s': "
6897 "dataset is exported to a local zone\n"), cmdname,
6898 zfs_get_name(zhp));
6899 return (1);
34dc7c2f 6900
572e2857
BB		 6901 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
6902 if (!explicit)
6903 return (0);
34dc7c2f 6904
572e2857
BB		 6905 (void) fprintf(stderr, gettext("cannot %s '%s': "
6906 "permission denied\n"), cmdname,
6907 zfs_get_name(zhp));
6908 return (1);
6909 }
34dc7c2f 6910
572e2857
BB		 6911 /*
6912 * Ignore any filesystems which don't apply to us. This
6913 * includes those with a legacy mountpoint, or those with
6914 * legacy share options.
6915 */
6916 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
6917 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
6918 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
6919 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
6920 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
6921 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
6922
6923 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
6924 strcmp(smbshareopts, "off") == 0) {
6925 if (!explicit)
6926 return (0);
34dc7c2f 6927
572e2857
BB		 6928 (void) fprintf(stderr, gettext("cannot share '%s': "
6929 "legacy share\n"), zfs_get_name(zhp));
76d04993
RM		 6930 (void) fprintf(stderr, gettext("use exports(5) or "
6931 "smb.conf(5) to share this filesystem, or set "
6932 "the sharenfs or sharesmb property\n"));
572e2857
BB		 6933 return (1);
6934 }
34dc7c2f 6935
572e2857
BB		 6936 /*
6937 * We cannot share or mount legacy filesystems. If the
6938 * shareopts is non-legacy but the mountpoint is legacy, we
6939 * treat it as a legacy share.
6940 */
6941 if (strcmp(mountpoint, "legacy") == 0) {
6942 if (!explicit)
6943 return (0);
34dc7c2f 6944
572e2857
BB		 6945 (void) fprintf(stderr, gettext("cannot %s '%s': "
6946 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
76d04993 6947 (void) fprintf(stderr, gettext("use %s(8) to "
572e2857
BB		 6948 "%s this filesystem\n"), cmdname, cmdname);
6949 return (1);
6950 }
34dc7c2f 6951
572e2857
BB		 6952 if (strcmp(mountpoint, "none") == 0) {
6953 if (!explicit)
6954 return (0);
34dc7c2f 6955
572e2857
BB		 6956 (void) fprintf(stderr, gettext("cannot %s '%s': no "
6957 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
6958 return (1);
6959 }
34dc7c2f 6960
572e2857
BB		 6961 /*
6962 * canmount explicit outcome
6963 * on no pass through
6964 * on yes pass through
6965 * off no return 0
6966 * off yes display error, return 1
6967 * noauto no return 0
6968 * noauto yes pass through
6969 */
6970 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
6971 if (canmount == ZFS_CANMOUNT_OFF) {
6972 if (!explicit)
6973 return (0);
6974
6975 (void) fprintf(stderr, gettext("cannot %s '%s': "
6976 "'canmount' property is set to 'off'\n"), cmdname,
6977 zfs_get_name(zhp));
6978 return (1);
6979 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
53c9d1d9
GW		 6980 /*
6981 * When performing a 'zfs mount -a', we skip any mounts for
6982 * datasets that have 'noauto' set. Sharing a dataset with
6983 * 'noauto' set is only allowed if it's mounted.
6984 */
6985 if (op == OP_MOUNT)
6986 return (0);
7bba1d40
DB		 6987 if (op == OP_SHARE && !zfs_is_mounted(zhp, NULL)) {
6988 /* also purge it from existing exports */
b4d9a82f 6989 zfs_unshare(zhp, mountpoint, NULL);
53c9d1d9 6990 return (0);
7bba1d40 6991 }
572e2857
BB		 6992 }
6993
1bf9a552
TC		 6994 /*
6995 * If this filesystem is encrypted and does not have
6996 * a loaded key, we can not mount it.
6997 */
6998 if ((flags & MS_CRYPT) == 0 &&
6999 zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF &&
7000 zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) ==
7001 ZFS_KEYSTATUS_UNAVAILABLE) {
7002 if (!explicit)
7003 return (0);
7004
7005 (void) fprintf(stderr, gettext("cannot %s '%s': "
7006 "encryption key not loaded\n"), cmdname, zfs_get_name(zhp));
7007 return (1);
7008 }
7009
47dfff3b
MA		 7010 /*
7011 * If this filesystem is inconsistent and has a receive resume
7012 * token, we can not mount it.
7013 */
7014 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) &&
7015 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
7016 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) {
7017 if (!explicit)
7018 return (0);
7019
7020 (void) fprintf(stderr, gettext("cannot %s '%s': "
7021 "Contains partially-completed state from "
c03f0470 7022 "\"zfs receive -s\", which can be resumed with "
47dfff3b
MA		 7023 "\"zfs send -t\"\n"),
7024 cmdname, zfs_get_name(zhp));
7025 return (1);
7026 }
7027
30af21b0
PD		 7028 if (zfs_prop_get_int(zhp, ZFS_PROP_REDACTED) && !(flags & MS_FORCE)) {
7029 if (!explicit)
7030 return (0);
7031
7032 (void) fprintf(stderr, gettext("cannot %s '%s': "
7033 "Dataset is not complete, was created by receiving "
7034 "a redacted zfs send stream.\n"), cmdname,
7035 zfs_get_name(zhp));
7036 return (1);
7037 }
7038
572e2857
BB		 7039 /*
7040 * At this point, we have verified that the mountpoint and/or
7041 * shareopts are appropriate for auto management. If the
7042 * filesystem is already mounted or shared, return (failing
7043 * for explicit requests); otherwise mount or share the
7044 * filesystem.
7045 */
7046 switch (op) {
b4d9a82f
AZ		 7047 case OP_SHARE: {
7048 enum sa_protocol prot[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
7049 shared_nfs = zfs_is_shared(zhp, NULL, prot);
7050 *prot = SA_PROTOCOL_SMB;
7051 shared_smb = zfs_is_shared(zhp, NULL, prot);
572e2857 7052
149e873a 7053 if ((shared_nfs && shared_smb) ||
648a09ad
BB		 7054 (shared_nfs && strcmp(shareopts, "on") == 0 &&
7055 strcmp(smbshareopts, "off") == 0) ||
7056 (shared_smb && strcmp(smbshareopts, "on") == 0 &&
7057 strcmp(shareopts, "off") == 0)) {
34dc7c2f
BB		 7058 if (!explicit)
7059 return (0);
7060
572e2857
BB		 7061 (void) fprintf(stderr, gettext("cannot share "
7062 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 7063 zfs_get_name(zhp));
7064 return (1);
34dc7c2f
BB		 7065 }
7066
572e2857 7067 if (!zfs_is_mounted(zhp, NULL) &&
b5256303 7068 zfs_mount(zhp, NULL, flags) != 0)
572e2857 7069 return (1);
34dc7c2f 7070
b4d9a82f
AZ		 7071 *prot = protocol;
7072 if (zfs_share(zhp, protocol == SA_NO_PROTOCOL ? NULL : prot))
572e2857 7073 return (1);
34dc7c2f 7074
b4d9a82f 7075 }
572e2857 7076 break;
34dc7c2f 7077
572e2857 7078 case OP_MOUNT:
a926aab9 7079 mnt.mnt_mntopts = (char *)(options ?: "");
34dc7c2f 7080
572e2857
BB		 7081 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
7082 zfs_is_mounted(zhp, NULL)) {
7083 if (!explicit)
7084 return (0);
34dc7c2f 7085
572e2857
BB		 7086 (void) fprintf(stderr, gettext("cannot mount "
7087 "'%s': filesystem already mounted\n"),
7088 zfs_get_name(zhp));
7089 return (1);
34dc7c2f 7090 }
572e2857 7091
d1b84da8 7092 if (zfs_mount(zhp, options, flags) != 0)
572e2857
BB		 7093 return (1);
7094 break;
7095 }
34dc7c2f 7096
34dc7c2f
BB		 7097 return (0);
7098}
7099
7100/*
7101 * Reports progress in the form "(current/total)". Not thread-safe.
7102 */
7103static void
7104report_mount_progress(int current, int total)
7105{
428870ff 7106 static time_t last_progress_time = 0;
34dc7c2f 7107 time_t now = time(NULL);
428870ff 7108 char info[32];
34dc7c2f 7109
34dc7c2f
BB		 7110 /* display header if we're here for the first time */
7111 if (current == 1) {
428870ff 7112 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 7113 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
7114 /* too soon to report again */
7115 return;
7116 }
7117
7118 last_progress_time = now;
7119
428870ff 7120 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 7121
428870ff
BB		 7122 if (current == total)
7123 finish_progress(info);
7124 else
7125 update_progress(info);
34dc7c2f
BB		 7126}
7127
a10d50f9
SR		 7128/*
7129 * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and
7130 * updates the progress meter.
7131 */
7132static int
7133share_mount_one_cb(zfs_handle_t *zhp, void *arg)
7134{
7135 share_mount_state_t *sms = arg;
7136 int ret;
7137
7138 ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto,
7139 B_FALSE, sms->sm_options);
7140
7141 pthread_mutex_lock(&sms->sm_lock);
7142 if (ret != 0)
7143 sms->sm_status = ret;
7144 sms->sm_done++;
7145 if (sms->sm_verbose)
7146 report_mount_progress(sms->sm_done, sms->sm_total);
7147 pthread_mutex_unlock(&sms->sm_lock);
7148 return (ret);
7149}
7150
34dc7c2f
BB		 7151static void
7152append_options(char *mntopts, char *newopts)
7153{
7154 int len = strlen(mntopts);
7155
7156 /* original length plus new string to append plus 1 for the comma */
7157 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
7158 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 7159 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 7160 "-o", MNT_LINE_MAX);
7161 usage(B_FALSE);
7162 }
7163
7164 if (*mntopts)
7165 mntopts[len++] = ',';
7166
7167 (void) strcpy(&mntopts[len], newopts);
7168}
7169
b4d9a82f
AZ		 7170static enum sa_protocol
7171sa_protocol_decode(const char *protocol)
7172{
7173 for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i)
7174 if (strcmp(protocol, sa_protocol_names[i]) == 0)
7175 return (i);
7176
7177 (void) fputs(gettext("share type must be one of: "), stderr);
7178 for (enum sa_protocol i = 0;
7179 i < ARRAY_SIZE(sa_protocol_names); ++i)
7180 (void) fprintf(stderr, "%s%s",
7181 i != 0 ? ", " : "", sa_protocol_names[i]);
7182 (void) fputc('\n', stderr);
7183 usage(B_FALSE);
7184}
7185
34dc7c2f
BB		 7186static int
7187share_mount(int op, int argc, char **argv)
7188{
7189 int do_all = 0;
a100a195 7190 int recursive = 0;
34dc7c2f
BB		 7191 boolean_t verbose = B_FALSE;
7192 int c, ret = 0;
7193 char *options = NULL;
572e2857 7194 int flags = 0;
b64afa41
AS		 7195 const uint_t mount_nthr = 512;
7196 uint_t nthr;
34dc7c2f
BB		 7197
7198 /* check options */
a100a195 7199 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":aRlvo:Of" : "al"))
34dc7c2f
BB		 7200 != -1) {
7201 switch (c) {
7202 case 'a':
7203 do_all = 1;
7204 break;
a100a195
US		 7205 case 'R':
7206 recursive = 1;
7207 break;
34dc7c2f
BB		 7208 case 'v':
7209 verbose = B_TRUE;
7210 break;
b5256303
TC		 7211 case 'l':
7212 flags |= MS_CRYPT;
7213 break;
34dc7c2f
BB		 7214 case 'o':
7215 if (*optarg == '\0') {
7216 (void) fprintf(stderr, gettext("empty mount "
7217 "options (-o) specified\n"));
7218 usage(B_FALSE);
7219 }
7220
7221 if (options == NULL)
7222 options = safe_malloc(MNT_LINE_MAX + 1);
7223
7224 /* option validation is done later */
7225 append_options(options, optarg);
7226 break;
e18be9a6
SC		 7227 case 'O':
7228 flags |= MS_OVERLAY;
7229 break;
30af21b0
PD		 7230 case 'f':
7231 flags |= MS_FORCE;
7232 break;
34dc7c2f
BB		 7233 case ':':
7234 (void) fprintf(stderr, gettext("missing argument for "
7235 "'%c' option\n"), optopt);
7236 usage(B_FALSE);
7237 break;
7238 case '?':
7239 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7240 optopt);
7241 usage(B_FALSE);
7242 }
7243 }
7244
7245 argc -= optind;
7246 argv += optind;
7247
7248 /* check number of arguments */
a100a195 7249 if (do_all || recursive) {
b4d9a82f 7250 enum sa_protocol protocol = SA_NO_PROTOCOL;
34dc7c2f 7251
572e2857 7252 if (op == OP_SHARE && argc > 0) {
b4d9a82f 7253 protocol = sa_protocol_decode(argv[0]);
34dc7c2f
BB		 7254 argc--;
7255 argv++;
34dc7c2f
BB		 7256 }
7257
a100a195 7258 if (argc != 0 && do_all) {
34dc7c2f
BB		 7259 (void) fprintf(stderr, gettext("too many arguments\n"));
7260 usage(B_FALSE);
7261 }
7262
a100a195
US		 7263 if (argc == 0 && recursive) {
7264 (void) fprintf(stderr,
7265 gettext("no dataset provided\n"));
7266 usage(B_FALSE);
7267 }
7268
428870ff 7269 start_progress_timer();
a10d50f9 7270 get_all_cb_t cb = { 0 };
a100a195
US		 7271 get_all_state_t state = { 0 };
7272 if (argc == 0) {
7273 state.ga_datasets = NULL;
7274 state.ga_count = -1;
7275 } else {
7276 zfs_handle_t *zhp;
7277 for (int i = 0; i < argc; i++) {
7278 zhp = zfs_open(g_zfs, argv[i],
7279 ZFS_TYPE_FILESYSTEM);
7280 if (zhp == NULL)
7281 usage(B_FALSE);
7282 zfs_close(zhp);
7283 }
7284 state.ga_datasets = argv;
7285 state.ga_count = argc;
7286 }
7287 state.ga_verbose = verbose;
7288 state.ga_cbp = &cb;
7289 get_all_datasets(&state);
34dc7c2f 7290
a10d50f9 7291 if (cb.cb_used == 0) {
53352772 7292 free(options);
34dc7c2f 7293 return (0);
e2c292bb 7294 }
34dc7c2f 7295
a10d50f9
SR		 7296 share_mount_state_t share_mount_state = { 0 };
7297 share_mount_state.sm_op = op;
7298 share_mount_state.sm_verbose = verbose;
7299 share_mount_state.sm_flags = flags;
7300 share_mount_state.sm_options = options;
7301 share_mount_state.sm_proto = protocol;
7302 share_mount_state.sm_total = cb.cb_used;
7303 pthread_mutex_init(&share_mount_state.sm_lock, NULL);
34dc7c2f 7304
ede037cd 7305 /* For a 'zfs share -a' operation start with a clean slate. */
66670ba9
SL		 7306 if (op == OP_SHARE)
7307 zfs_truncate_shares(NULL);
ede037cd 7308
a10d50f9
SR		 7309 /*
7310 * libshare isn't mt-safe, so only do the operation in parallel
8e3c3ed1
TC		 7311 * if we're mounting. Additionally, the key-loading option must
7312 * be serialized so that we can prompt the user for their keys
7313 * in a consistent manner.
a10d50f9 7314 */
b64afa41 7315 nthr = op == OP_MOUNT && !(flags & MS_CRYPT) ? mount_nthr : 1;
a10d50f9 7316 zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used,
b64afa41 7317 share_mount_one_cb, &share_mount_state, nthr);
b4d9a82f 7318 zfs_commit_shares(NULL);
c15d36c6 7319
a10d50f9 7320 ret = share_mount_state.sm_status;
34dc7c2f 7321
a10d50f9
SR		 7322 for (int i = 0; i < cb.cb_used; i++)
7323 zfs_close(cb.cb_handles[i]);
7324 free(cb.cb_handles);
34dc7c2f 7325 } else if (argc == 0) {
53352772 7326 FILE *mnttab;
34dc7c2f
BB		 7327 struct mnttab entry;
7328
7329 if ((op == OP_SHARE) || (options != NULL)) {
7330 (void) fprintf(stderr, gettext("missing filesystem "
7331 "argument (specify -a for all)\n"));
7332 usage(B_FALSE);
7333 }
7334
7335 /*
79251738 7336 * When mount is given no arguments, go through
7337 * /proc/self/mounts and display any active ZFS mounts.
7338 * We hide any snapshots, since they are controlled
7339 * automatically.
34dc7c2f 7340 */
cbca6076 7341
53352772
AZ		 7342 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7343 free(options);
cbca6076 7344 return (ENOENT);
e2c292bb 7345 }
cbca6076 7346
53352772 7347 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7348 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
7349 strchr(entry.mnt_special, '@') != NULL)
7350 continue;
7351
7352 (void) printf("%-30s %s\n", entry.mnt_special,
7353 entry.mnt_mountp);
7354 }
7355
53352772 7356 (void) fclose(mnttab);
34dc7c2f
BB		 7357 } else {
7358 zfs_handle_t *zhp;
7359
34dc7c2f
BB		 7360 if (argc > 1) {
7361 (void) fprintf(stderr,
7362 gettext("too many arguments\n"));
7363 usage(B_FALSE);
7364 }
7365
572e2857
BB		 7366 if ((zhp = zfs_open(g_zfs, argv[0],
7367 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 7368 ret = 1;
7369 } else {
b4d9a82f
AZ		 7370 ret = share_mount_one(zhp, op, flags, SA_NO_PROTOCOL,
7371 B_TRUE, options);
7372 zfs_commit_shares(NULL);
34dc7c2f
BB		 7373 zfs_close(zhp);
7374 }
7375 }
7376
53352772 7377 free(options);
34dc7c2f
BB		 7378 return (ret);
7379}
7380
7381/*
b4d9a82f 7382 * zfs mount -a
34dc7c2f
BB		 7383 * zfs mount filesystem
7384 *
7385 * Mount all filesystems, or mount the given filesystem.
7386 */
7387static int
7388zfs_do_mount(int argc, char **argv)
7389{
7390 return (share_mount(OP_MOUNT, argc, argv));
7391}
7392
7393/*
428870ff 7394 * zfs share -a [nfs | smb]
34dc7c2f
BB		 7395 * zfs share filesystem
7396 *
7397 * Share all filesystems, or share the given filesystem.
7398 */
7399static int
7400zfs_do_share(int argc, char **argv)
7401{
7402 return (share_mount(OP_SHARE, argc, argv));
7403}
7404
7405typedef struct unshare_unmount_node {
7406 zfs_handle_t *un_zhp;
7407 char *un_mountp;
7408 uu_avl_node_t un_avlnode;
7409} unshare_unmount_node_t;
7410
34dc7c2f
BB		 7411static int
7412unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
7413{
f291fa65 7414 (void) unused;
34dc7c2f
BB		 7415 const unshare_unmount_node_t *l = larg;
7416 const unshare_unmount_node_t *r = rarg;
7417
7418 return (strcmp(l->un_mountp, r->un_mountp));
7419}
7420
7421/*
7422 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
46df7e6c
JS		 7423 * absolute path, find the entry /proc/self/mounts, verify that it's a
7424 * ZFS filesystem, and unmount it appropriately.
34dc7c2f
BB		 7425 */
7426static int
7427unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
7428{
7429 zfs_handle_t *zhp;
ad60af8e 7430 int ret = 0;
34dc7c2f
BB		 7431 struct stat64 statbuf;
7432 struct extmnttab entry;
7433 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
7434 ino_t path_inode;
7435
34dc7c2f
BB		 7436 /*
7437 * Search for the given (major,minor) pair in the mount table.
7438 */
cbca6076 7439
d31277ab 7440 if (getextmntent(path, &entry, &statbuf) != 0) {
34dc7c2f
BB		 7441 if (op == OP_SHARE) {
7442 (void) fprintf(stderr, gettext("cannot %s '%s': not "
7443 "currently mounted\n"), cmdname, path);
7444 return (1);
7445 }
79251738 7446 (void) fprintf(stderr, gettext("warning: %s not in"
7447 "/proc/self/mounts\n"), path);
34dc7c2f
BB		 7448 if ((ret = umount2(path, flags)) != 0)
7449 (void) fprintf(stderr, gettext("%s: %s\n"), path,
7450 strerror(errno));
7451 return (ret != 0);
7452 }
d31277ab 7453 path_inode = statbuf.st_ino;
34dc7c2f
BB		 7454
7455 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
7456 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
7457 "filesystem\n"), cmdname, path);
7458 return (1);
7459 }
7460
7461 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7462 ZFS_TYPE_FILESYSTEM)) == NULL)
7463 return (1);
7464
34dc7c2f 7465 ret = 1;
b128c09f
BB		 7466 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
7467 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
7468 cmdname, path, strerror(errno));
7469 goto out;
7470 } else if (statbuf.st_ino != path_inode) {
7471 (void) fprintf(stderr, gettext("cannot "
7472 "%s '%s': not a mountpoint\n"), cmdname, path);
7473 goto out;
7474 }
7475
34dc7c2f
BB		 7476 if (op == OP_SHARE) {
7477 char nfs_mnt_prop[ZFS_MAXPROPLEN];
7478 char smbshare_prop[ZFS_MAXPROPLEN];
7479
7480 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
7481 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
7482 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
7483 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
7484
7485 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7486 strcmp(smbshare_prop, "off") == 0) {
7487 (void) fprintf(stderr, gettext("cannot unshare "
7488 "'%s': legacy share\n"), path);
9a616b5d
BB		 7489 (void) fprintf(stderr, gettext("use exportfs(8) "
7490 "or smbcontrol(1) to unshare this filesystem\n"));
b4d9a82f 7491 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
34dc7c2f
BB		 7492 (void) fprintf(stderr, gettext("cannot unshare '%s': "
7493 "not currently shared\n"), path);
7494 } else {
b4d9a82f
AZ		 7495 ret = zfs_unshare(zhp, path, NULL);
7496 zfs_commit_shares(NULL);
34dc7c2f
BB		 7497 }
7498 } else {
7499 char mtpt_prop[ZFS_MAXPROPLEN];
7500
7501 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
7502 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
7503
b128c09f 7504 if (is_manual) {
34dc7c2f
BB		 7505 ret = zfs_unmount(zhp, NULL, flags);
7506 } else if (strcmp(mtpt_prop, "legacy") == 0) {
7507 (void) fprintf(stderr, gettext("cannot unmount "
7508 "'%s': legacy mountpoint\n"),
7509 zfs_get_name(zhp));
9a616b5d 7510 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 7511 "to unmount this filesystem\n"));
7512 } else {
7513 ret = zfs_unmountall(zhp, flags);
7514 }
7515 }
7516
b128c09f 7517out:
34dc7c2f
BB		 7518 zfs_close(zhp);
7519
7520 return (ret != 0);
7521}
7522
7523/*
7524 * Generic callback for unsharing or unmounting a filesystem.
7525 */
7526static int
7527unshare_unmount(int op, int argc, char **argv)
7528{
7529 int do_all = 0;
7530 int flags = 0;
7531 int ret = 0;
572e2857 7532 int c;
34dc7c2f 7533 zfs_handle_t *zhp;
428870ff 7534 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 7535 char sharesmb[ZFS_MAXPROPLEN];
7536
7537 /* check options */
765d1f06 7538 while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "afu")) != -1) {
34dc7c2f
BB		 7539 switch (c) {
7540 case 'a':
7541 do_all = 1;
7542 break;
7543 case 'f':
765d1f06
TC		 7544 flags |= MS_FORCE;
7545 break;
7546 case 'u':
7547 flags |= MS_CRYPT;
34dc7c2f 7548 break;
2f71caf2 7549 case ':':
7550 (void) fprintf(stderr, gettext("missing argument for "
7551 "'%c' option\n"), optopt);
7552 usage(B_FALSE);
7553 break;
34dc7c2f
BB		 7554 case '?':
7555 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7556 optopt);
7557 usage(B_FALSE);
7558 }
7559 }
7560
7561 argc -= optind;
7562 argv += optind;
7563
7564 if (do_all) {
7565 /*
7566 * We could make use of zfs_for_each() to walk all datasets in
7567 * the system, but this would be very inefficient, especially
79251738 7568 * since we would have to linearly search /proc/self/mounts for
7569 * each one. Instead, do one pass through /proc/self/mounts
7570 * looking for zfs entries and call zfs_unmount() for each one.
34dc7c2f
BB		 7571 *
7572 * Things get a little tricky if the administrator has created
7573 * mountpoints beneath other ZFS filesystems. In this case, we
7574 * have to unmount the deepest filesystems first. To accomplish
7575 * this, we place all the mountpoints in an AVL tree sorted by
7576 * the special type (dataset name), and walk the result in
7577 * reverse to make sure to get any snapshots first.
7578 */
53352772 7579 FILE *mnttab;
34dc7c2f
BB		 7580 struct mnttab entry;
7581 uu_avl_pool_t *pool;
149e873a 7582 uu_avl_t *tree = NULL;
34dc7c2f
BB		 7583 unshare_unmount_node_t *node;
7584 uu_avl_index_t idx;
7585 uu_avl_walk_t *walk;
b4d9a82f
AZ		 7586 enum sa_protocol *protocol = NULL,
7587 single_protocol[] = {SA_NO_PROTOCOL, SA_NO_PROTOCOL};
2f71caf2 7588
7589 if (op == OP_SHARE && argc > 0) {
b4d9a82f
AZ		 7590 *single_protocol = sa_protocol_decode(argv[0]);
7591 protocol = single_protocol;
2f71caf2 7592 argc--;
7593 argv++;
7594 }
34dc7c2f
BB		 7595
7596 if (argc != 0) {
7597 (void) fprintf(stderr, gettext("too many arguments\n"));
7598 usage(B_FALSE);
7599 }
7600
428870ff 7601 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 7602 sizeof (unshare_unmount_node_t),
7603 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 7604 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
7605 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
7606 nomem();
34dc7c2f 7607
ebe1d036
RY		 7608 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7609 uu_avl_destroy(tree);
7610 uu_avl_pool_destroy(pool);
cbca6076 7611 return (ENOENT);
ebe1d036 7612 }
cbca6076 7613
53352772 7614 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7615
7616 /* ignore non-ZFS entries */
7617 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
7618 continue;
7619
7620 /* ignore snapshots */
7621 if (strchr(entry.mnt_special, '@') != NULL)
7622 continue;
7623
7624 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7625 ZFS_TYPE_FILESYSTEM)) == NULL) {
7626 ret = 1;
7627 continue;
7628 }
7629
d21d5b82
GDN		 7630 /*
7631 * Ignore datasets that are excluded/restricted by
7632 * parent pool name.
7633 */
7634 if (zpool_skip_pool(zfs_get_pool_name(zhp))) {
7635 zfs_close(zhp);
7636 continue;
7637 }
7638
34dc7c2f
BB		 7639 switch (op) {
7640 case OP_SHARE:
7641 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 7642 nfs_mnt_prop,
7643 sizeof (nfs_mnt_prop),
34dc7c2f 7644 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7645 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 7646 break;
7647 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 7648 nfs_mnt_prop,
7649 sizeof (nfs_mnt_prop),
34dc7c2f 7650 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7651 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 7652 continue;
7653 break;
7654 case OP_MOUNT:
7655 /* Ignore legacy mounts */
7656 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 7657 nfs_mnt_prop,
7658 sizeof (nfs_mnt_prop),
34dc7c2f 7659 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7660 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 7661 continue;
7662 /* Ignore canmount=noauto mounts */
7663 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
7664 ZFS_CANMOUNT_NOAUTO)
7665 continue;
6954c22f 7666 break;
34dc7c2f
BB		 7667 default:
7668 break;
7669 }
7670
7671 node = safe_malloc(sizeof (unshare_unmount_node_t));
7672 node->un_zhp = zhp;
428870ff 7673 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 7674
7675 uu_avl_node_init(node, &node->un_avlnode, pool);
7676
7677 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
7678 uu_avl_insert(tree, node, idx);
7679 } else {
7680 zfs_close(node->un_zhp);
7681 free(node->un_mountp);
7682 free(node);
7683 }
7684 }
53352772 7685 (void) fclose(mnttab);
34dc7c2f
BB		 7686
7687 /*
7688 * Walk the AVL tree in reverse, unmounting each filesystem and
7689 * removing it from the AVL tree in the process.
7690 */
7691 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 7692 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
7693 nomem();
34dc7c2f
BB		 7694
7695 while ((node = uu_avl_walk_next(walk)) != NULL) {
4bc72196 7696 const char *mntarg = NULL;
34dc7c2f 7697
4bc72196 7698 uu_avl_remove(tree, node);
34dc7c2f
BB		 7699 switch (op) {
7700 case OP_SHARE:
b4d9a82f 7701 if (zfs_unshare(node->un_zhp,
2f71caf2 7702 node->un_mountp, protocol) != 0)
34dc7c2f
BB		 7703 ret = 1;
7704 break;
7705
7706 case OP_MOUNT:
7707 if (zfs_unmount(node->un_zhp,
4bc72196 7708 mntarg, flags) != 0)
34dc7c2f
BB		 7709 ret = 1;
7710 break;
7711 }
7712
7713 zfs_close(node->un_zhp);
7714 free(node->un_mountp);
7715 free(node);
7716 }
7717
c15d36c6
GW		 7718 if (op == OP_SHARE)
7719 zfs_commit_shares(protocol);
7720
34dc7c2f
BB		 7721 uu_avl_walk_end(walk);
7722 uu_avl_destroy(tree);
7723 uu_avl_pool_destroy(pool);
7724
34dc7c2f
BB		 7725 } else {
7726 if (argc != 1) {
7727 if (argc == 0)
7728 (void) fprintf(stderr,
7729 gettext("missing filesystem argument\n"));
7730 else
7731 (void) fprintf(stderr,
7732 gettext("too many arguments\n"));
7733 usage(B_FALSE);
7734 }
7735
7736 /*
7737 * We have an argument, but it may be a full path or a ZFS
7738 * filesystem. Pass full paths off to unmount_path() (shared by
7739 * manual_unmount), otherwise open the filesystem and pass to
7740 * zfs_unmount().
7741 */
7742 if (argv[0][0] == '/')
7743 return (unshare_unmount_path(op, argv[0],
7744 flags, B_FALSE));
7745
572e2857
BB		 7746 if ((zhp = zfs_open(g_zfs, argv[0],
7747 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 7748 return (1);
7749
572e2857
BB		 7750 verify(zfs_prop_get(zhp, op == OP_SHARE ?
7751 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
7752 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
7753 NULL, 0, B_FALSE) == 0);
34dc7c2f 7754
572e2857
BB		 7755 switch (op) {
7756 case OP_SHARE:
7757 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
7758 nfs_mnt_prop,
7759 sizeof (nfs_mnt_prop),
7760 NULL, NULL, 0, B_FALSE) == 0);
7761 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
7762 sharesmb, sizeof (sharesmb), NULL, NULL,
7763 0, B_FALSE) == 0);
7764
7765 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7766 strcmp(sharesmb, "off") == 0) {
7767 (void) fprintf(stderr, gettext("cannot "
7768 "unshare '%s': legacy share\n"),
7769 zfs_get_name(zhp));
7770 (void) fprintf(stderr, gettext("use "
76d04993
RM		 7771 "exports(5) or smb.conf(5) to unshare "
7772 "this filesystem\n"));
572e2857 7773 ret = 1;
b4d9a82f 7774 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
572e2857
BB		 7775 (void) fprintf(stderr, gettext("cannot "
7776 "unshare '%s': not currently "
7777 "shared\n"), zfs_get_name(zhp));
7778 ret = 1;
b4d9a82f 7779 } else if (zfs_unshareall(zhp, NULL) != 0) {
572e2857
BB		 7780 ret = 1;
7781 }
7782 break;
34dc7c2f 7783
572e2857
BB		 7784 case OP_MOUNT:
7785 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
7786 (void) fprintf(stderr, gettext("cannot "
7787 "unmount '%s': legacy "
7788 "mountpoint\n"), zfs_get_name(zhp));
7789 (void) fprintf(stderr, gettext("use "
76d04993 7790 "umount(8) to unmount this "
572e2857
BB		 7791 "filesystem\n"));
7792 ret = 1;
7793 } else if (!zfs_is_mounted(zhp, NULL)) {
7794 (void) fprintf(stderr, gettext("cannot "
7795 "unmount '%s': not currently "
7796 "mounted\n"),
7797 zfs_get_name(zhp));
7798 ret = 1;
7799 } else if (zfs_unmountall(zhp, flags) != 0) {
7800 ret = 1;
34dc7c2f 7801 }
572e2857 7802 break;
34dc7c2f
BB		 7803 }
7804
7805 zfs_close(zhp);
7806 }
7807
7808 return (ret);
7809}
7810
7811/*
765d1f06
TC		 7812 * zfs unmount [-fu] -a
7813 * zfs unmount [-fu] filesystem
34dc7c2f
BB		 7814 *
7815 * Unmount all filesystems, or a specific ZFS filesystem.
7816 */
7817static int
7818zfs_do_unmount(int argc, char **argv)
7819{
7820 return (unshare_unmount(OP_MOUNT, argc, argv));
7821}
7822
7823/*
7824 * zfs unshare -a
7825 * zfs unshare filesystem
7826 *
7827 * Unshare all filesystems, or a specific ZFS filesystem.
7828 */
7829static int
7830zfs_do_unshare(int argc, char **argv)
7831{
7832 return (unshare_unmount(OP_SHARE, argc, argv));
7833}
7834
34dc7c2f 7835static int
a926aab9 7836find_command_idx(const char *command, int *idx)
34dc7c2f
BB		 7837{
7838 int i;
7839
7840 for (i = 0; i < NCOMMAND; i++) {
7841 if (command_table[i].name == NULL)
7842 continue;
7843
7844 if (strcmp(command, command_table[i].name) == 0) {
7845 *idx = i;
7846 return (0);
7847 }
7848 }
7849 return (1);
7850}
7851
572e2857
BB		 7852static int
7853zfs_do_diff(int argc, char **argv)
7854{
7855 zfs_handle_t *zhp;
7856 int flags = 0;
7857 char *tosnap = NULL;
7858 char *fromsnap = NULL;
7859 char *atp, *copy;
ad60af8e 7860 int err = 0;
572e2857 7861 int c;
2a15c00f 7862 struct sigaction sa;
572e2857 7863
344bbc82 7864 while ((c = getopt(argc, argv, "FHth")) != -1) {
572e2857
BB		 7865 switch (c) {
7866 case 'F':
7867 flags |= ZFS_DIFF_CLASSIFY;
7868 break;
7869 case 'H':
7870 flags |= ZFS_DIFF_PARSEABLE;
7871 break;
7872 case 't':
7873 flags |= ZFS_DIFF_TIMESTAMP;
7874 break;
344bbc82
AZ		 7875 case 'h':
7876 flags |= ZFS_DIFF_NO_MANGLE;
7877 break;
572e2857
BB		 7878 default:
7879 (void) fprintf(stderr,
7880 gettext("invalid option '%c'\n"), optopt);
7881 usage(B_FALSE);
7882 }
7883 }
7884
7885 argc -= optind;
7886 argv += optind;
7887
7888 if (argc < 1) {
7889 (void) fprintf(stderr,
a1d477c2 7890 gettext("must provide at least one snapshot name\n"));
572e2857
BB		 7891 usage(B_FALSE);
7892 }
7893
7894 if (argc > 2) {
7895 (void) fprintf(stderr, gettext("too many arguments\n"));
7896 usage(B_FALSE);
7897 }
7898
7899 fromsnap = argv[0];
7900 tosnap = (argc == 2) ? argv[1] : NULL;
7901
7902 copy = NULL;
7903 if (*fromsnap != '@')
7904 copy = strdup(fromsnap);
7905 else if (tosnap)
7906 copy = strdup(tosnap);
7907 if (copy == NULL)
7908 usage(B_FALSE);
7909
648a09ad 7910 if ((atp = strchr(copy, '@')) != NULL)
572e2857
BB		 7911 *atp = '\0';
7912
9ec0403d 7913 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) {
7914 free(copy);
572e2857 7915 return (1);
9ec0403d 7916 }
572e2857
BB		 7917 free(copy);
7918
7919 /*
7920 * Ignore SIGPIPE so that the library can give us
7921 * information on any failure
7922 */
2a15c00f
TK		 7923 if (sigemptyset(&sa.sa_mask) == -1) {
7924 err = errno;
7925 goto out;
7926 }
7927 sa.sa_flags = 0;
7928 sa.sa_handler = SIG_IGN;
7929 if (sigaction(SIGPIPE, &sa, NULL) == -1) {
7930 err = errno;
7931 goto out;
7932 }
572e2857
BB		 7933
7934 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
2a15c00f 7935out:
572e2857
BB		 7936 zfs_close(zhp);
7937
7938 return (err != 0);
7939}
7940
da536844 7941/*
a73f361f 7942 * zfs bookmark <fs@source>|<fs#source> <fs#bookmark>
da536844 7943 *
a73f361f
CS		 7944 * Creates a bookmark with the given name from the source snapshot
7945 * or creates a copy of an existing source bookmark.
da536844
MA		 7946 */
7947static int
7948zfs_do_bookmark(int argc, char **argv)
7949{
a73f361f
CS		 7950 char *source, *bookname;
7951 char expbuf[ZFS_MAX_DATASET_NAME_LEN];
7952 int source_type;
da536844
MA		 7953 nvlist_t *nvl;
7954 int ret = 0;
7955 int c;
7956
7957 /* check options */
7958 while ((c = getopt(argc, argv, "")) != -1) {
7959 switch (c) {
7960 case '?':
7961 (void) fprintf(stderr,
7962 gettext("invalid option '%c'\n"), optopt);
7963 goto usage;
7964 }
7965 }
7966
7967 argc -= optind;
7968 argv += optind;
7969
7970 /* check number of arguments */
7971 if (argc < 1) {
a73f361f 7972 (void) fprintf(stderr, gettext("missing source argument\n"));
da536844
MA		 7973 goto usage;
7974 }
7975 if (argc < 2) {
7976 (void) fprintf(stderr, gettext("missing bookmark argument\n"));
7977 goto usage;
7978 }
7979
a73f361f
CS		 7980 source = argv[0];
7981 bookname = argv[1];
7982
7983 if (strchr(source, '@') == NULL && strchr(source, '#') == NULL) {
4af6873a 7984 (void) fprintf(stderr,
a73f361f
CS		 7985 gettext("invalid source name '%s': "
7986 "must contain a '@' or '#'\n"), source);
4af6873a 7987 goto usage;
7988 }
a73f361f 7989 if (strchr(bookname, '#') == NULL) {
da536844 7990 (void) fprintf(stderr,
587e228a 7991 gettext("invalid bookmark name '%s': "
a73f361f 7992 "must contain a '#'\n"), bookname);
da536844
MA		 7993 goto usage;
7994 }
7995
a73f361f
CS		 7996 /*
7997 * expand source or bookname to full path:
7998 * one of them may be specified as short name
7999 */
8000 {
8001 char **expand;
8002 char *source_short, *bookname_short;
8003 source_short = strpbrk(source, "@#");
8004 bookname_short = strpbrk(bookname, "#");
8005 if (source_short == source &&
8006 bookname_short == bookname) {
8007 (void) fprintf(stderr, gettext(
8008 "either source or bookmark must be specified as "
8009 "full dataset paths"));
8010 goto usage;
8011 } else if (source_short != source &&
8012 bookname_short != bookname) {
8013 expand = NULL;
8014 } else if (source_short != source) {
8015 strlcpy(expbuf, source, sizeof (expbuf));
8016 expand = &bookname;
8017 } else if (bookname_short != bookname) {
8018 strlcpy(expbuf, bookname, sizeof (expbuf));
8019 expand = &source;
8020 } else {
8021 abort();
8022 }
8023 if (expand != NULL) {
8024 *strpbrk(expbuf, "@#") = '\0'; /* dataset name in buf */
8025 (void) strlcat(expbuf, *expand, sizeof (expbuf));
8026 *expand = expbuf;
8027 }
da536844 8028 }
a73f361f
CS		 8029
8030 /* determine source type */
8031 switch (*strpbrk(source, "@#")) {
8032 case '@': source_type = ZFS_TYPE_SNAPSHOT; break;
8033 case '#': source_type = ZFS_TYPE_BOOKMARK; break;
8034 default: abort();
587e228a 8035 }
8036
a73f361f
CS		 8037 /* test the source exists */
8038 zfs_handle_t *zhp;
8039 zhp = zfs_open(g_zfs, source, source_type);
da536844
MA		 8040 if (zhp == NULL)
8041 goto usage;
8042 zfs_close(zhp);
8043
da536844 8044 nvl = fnvlist_alloc();
a73f361f 8045 fnvlist_add_string(nvl, bookname, source);
da536844
MA		 8046 ret = lzc_bookmark(nvl, NULL);
8047 fnvlist_free(nvl);
8048
8049 if (ret != 0) {
b83a0e2d 8050 const char *err_msg = NULL;
da536844
MA		 8051 char errbuf[1024];
8052
8053 (void) snprintf(errbuf, sizeof (errbuf),
8054 dgettext(TEXT_DOMAIN,
587e228a 8055 "cannot create bookmark '%s'"), bookname);
da536844
MA		 8056
8057 switch (ret) {
8058 case EXDEV:
8059 err_msg = "bookmark is in a different pool";
8060 break;
a73f361f
CS		 8061 case ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR:
8062 err_msg = "source is not an ancestor of the "
8063 "new bookmark's dataset";
8064 break;
da536844
MA		 8065 case EEXIST:
8066 err_msg = "bookmark exists";
8067 break;
8068 case EINVAL:
8069 err_msg = "invalid argument";
8070 break;
8071 case ENOTSUP:
8072 err_msg = "bookmark feature not enabled";
8073 break;
3d45fdd6
MA		 8074 case ENOSPC:
8075 err_msg = "out of space";
8076 break;
587e228a 8077 case ENOENT:
8078 err_msg = "dataset does not exist";
8079 break;
da536844 8080 default:
b83a0e2d 8081 (void) zfs_standard_error(g_zfs, ret, errbuf);
da536844
MA		 8082 break;
8083 }
b83a0e2d
DB		 8084 if (err_msg != NULL) {
8085 (void) fprintf(stderr, "%s: %s\n", errbuf,
8086 dgettext(TEXT_DOMAIN, err_msg));
8087 }
da536844
MA		 8088 }
8089
3d45fdd6 8090 return (ret != 0);
da536844
MA		 8091
8092usage:
8093 usage(B_FALSE);
8094 return (-1);
8095}
8096
d99a0153
CW		 8097static int
8098zfs_do_channel_program(int argc, char **argv)
8099{
8100 int ret, fd, c;
d99a0153 8101 size_t progsize, progread;
b83a0e2d 8102 nvlist_t *outnvl = NULL;
d99a0153
CW		 8103 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT;
8104 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT;
272b5d73 8105 boolean_t sync_flag = B_TRUE, json_output = B_FALSE;
d99a0153
CW		 8106 zpool_handle_t *zhp;
8107
8108 /* check options */
272b5d73 8109 while ((c = getopt(argc, argv, "nt:m:j")) != -1) {
d99a0153
CW		 8110 switch (c) {
8111 case 't':
8112 case 'm': {
8113 uint64_t arg;
8114 char *endp;
8115
8116 errno = 0;
8117 arg = strtoull(optarg, &endp, 0);
8118 if (errno != 0 || *endp != '\0') {
8119 (void) fprintf(stderr, gettext(
8120 "invalid argument "
8121 "'%s': expected integer\n"), optarg);
8122 goto usage;
8123 }
8124
8125 if (c == 't') {
917f475f 8126 instrlimit = arg;
d99a0153
CW		 8127 } else {
8128 ASSERT3U(c, ==, 'm');
917f475f 8129 memlimit = arg;
d99a0153
CW		 8130 }
8131 break;
8132 }
5b72a38d
SD		 8133 case 'n': {
8134 sync_flag = B_FALSE;
8135 break;
8136 }
272b5d73
AP		 8137 case 'j': {
8138 json_output = B_TRUE;
8139 break;
8140 }
d99a0153
CW		 8141 case '?':
8142 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8143 optopt);
8144 goto usage;
8145 }
8146 }
8147
8148 argc -= optind;
8149 argv += optind;
8150
8151 if (argc < 2) {
8152 (void) fprintf(stderr,
8153 gettext("invalid number of arguments\n"));
8154 goto usage;
8155 }
8156
a926aab9
AZ		 8157 const char *poolname = argv[0];
8158 const char *filename = argv[1];
d99a0153
CW		 8159 if (strcmp(filename, "-") == 0) {
8160 fd = 0;
8161 filename = "standard input";
8162 } else if ((fd = open(filename, O_RDONLY)) < 0) {
8163 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"),
8164 filename, strerror(errno));
8165 return (1);
8166 }
8167
8168 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
62b2152e 8169 (void) fprintf(stderr, gettext("cannot open pool '%s'\n"),
d99a0153 8170 poolname);
cbce5813
DB		 8171 if (fd != 0)
8172 (void) close(fd);
d99a0153
CW		 8173 return (1);
8174 }
8175 zpool_close(zhp);
8176
8177 /*
8178 * Read in the channel program, expanding the program buffer as
8179 * necessary.
8180 */
8181 progread = 0;
8182 progsize = 1024;
a926aab9 8183 char *progbuf = safe_malloc(progsize);
d99a0153
CW		 8184 do {
8185 ret = read(fd, progbuf + progread, progsize - progread);
8186 progread += ret;
8187 if (progread == progsize && ret > 0) {
8188 progsize *= 2;
8189 progbuf = safe_realloc(progbuf, progsize);
8190 }
8191 } while (ret > 0);
8192
8193 if (fd != 0)
8194 (void) close(fd);
8195 if (ret < 0) {
8196 free(progbuf);
8197 (void) fprintf(stderr,
8198 gettext("cannot read '%s': %s\n"),
8199 filename, strerror(errno));
8200 return (1);
8201 }
8202 progbuf[progread] = '\0';
8203
8204 /*
8205 * Any remaining arguments are passed as arguments to the lua script as
8206 * a string array:
8207 * {
8208 * "argv" -> [ "arg 1", ... "arg n" ],
8209 * }
8210 */
8211 nvlist_t *argnvl = fnvlist_alloc();
795075e6
PD		 8212 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV,
8213 (const char **)argv + 2, argc - 2);
d99a0153 8214
5b72a38d
SD		 8215 if (sync_flag) {
8216 ret = lzc_channel_program(poolname, progbuf,
8217 instrlimit, memlimit, argnvl, &outnvl);
8218 } else {
8219 ret = lzc_channel_program_nosync(poolname, progbuf,
8220 instrlimit, memlimit, argnvl, &outnvl);
8221 }
d99a0153
CW		 8222
8223 if (ret != 0) {
8224 /*
8225 * On error, report the error message handed back by lua if one
8226 * exists. Otherwise, generate an appropriate error message,
8227 * falling back on strerror() for an unexpected return code.
8228 */
a926aab9 8229 const char *errstring = NULL;
b83a0e2d 8230 const char *msg = gettext("Channel program execution failed");
d99a0153 8231 uint64_t instructions = 0;
b83a0e2d 8232 if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) {
d1807f16 8233 const char *es = NULL;
d99a0153 8234 (void) nvlist_lookup_string(outnvl,
a926aab9
AZ		 8235 ZCP_RET_ERROR, &es);
8236 if (es == NULL)
d99a0153 8237 errstring = strerror(ret);
a926aab9
AZ		 8238 else
8239 errstring = es;
d99a0153
CW		 8240 if (ret == ETIME) {
8241 (void) nvlist_lookup_uint64(outnvl,
8242 ZCP_ARG_INSTRLIMIT, &instructions);
8243 }
8244 } else {
8245 switch (ret) {
8246 case EINVAL:
8247 errstring =
8248 "Invalid instruction or memory limit.";
8249 break;
8250 case ENOMEM:
8251 errstring = "Return value too large.";
8252 break;
8253 case ENOSPC:
8254 errstring = "Memory limit exhausted.";
8255 break;
8256 case ETIME:
8257 errstring = "Timed out.";
8258 break;
8259 case EPERM:
8260 errstring = "Permission denied. Channel "
8261 "programs must be run as root.";
8262 break;
8263 default:
b83a0e2d 8264 (void) zfs_standard_error(g_zfs, ret, msg);
d99a0153
CW		 8265 }
8266 }
b83a0e2d
DB		 8267 if (errstring != NULL)
8268 (void) fprintf(stderr, "%s:\n%s\n", msg, errstring);
8269
d99a0153 8270 if (ret == ETIME && instructions != 0)
272b5d73
AP		 8271 (void) fprintf(stderr,
8272 gettext("%llu Lua instructions\n"),
d99a0153
CW		 8273 (u_longlong_t)instructions);
8274 } else {
272b5d73
AP		 8275 if (json_output) {
8276 (void) nvlist_print_json(stdout, outnvl);
8277 } else if (nvlist_empty(outnvl)) {
8278 (void) fprintf(stdout, gettext("Channel program fully "
8279 "executed and did not produce output.\n"));
d99a0153 8280 } else {
272b5d73
AP		 8281 (void) fprintf(stdout, gettext("Channel program fully "
8282 "executed and produced output:\n"));
d99a0153
CW		 8283 dump_nvlist(outnvl, 4);
8284 }
8285 }
8286
8287 free(progbuf);
8288 fnvlist_free(outnvl);
8289 fnvlist_free(argnvl);
8290 return (ret != 0);
8291
8292usage:
8293 usage(B_FALSE);
8294 return (-1);
8295}
8296
8297
b5256303
TC		 8298typedef struct loadkey_cbdata {
8299 boolean_t cb_loadkey;
8300 boolean_t cb_recursive;
8301 boolean_t cb_noop;
8302 char *cb_keylocation;
8303 uint64_t cb_numfailed;
8304 uint64_t cb_numattempted;
8305} loadkey_cbdata_t;
8306
8307static int
8308load_key_callback(zfs_handle_t *zhp, void *data)
8309{
8310 int ret;
8311 boolean_t is_encroot;
8312 loadkey_cbdata_t *cb = data;
8313 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8314
8315 /*
8316 * If we are working recursively, we want to skip loading / unloading
8317 * keys for non-encryption roots and datasets whose keys are already
8318 * in the desired end-state.
8319 */
8320 if (cb->cb_recursive) {
8321 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL);
8322 if (ret != 0)
8323 return (ret);
8324 if (!is_encroot)
8325 return (0);
8326
8327 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) ||
8328 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE))
8329 return (0);
8330 }
8331
8332 cb->cb_numattempted++;
8333
8334 if (cb->cb_loadkey)
8335 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation);
8336 else
8337 ret = zfs_crypto_unload_key(zhp);
8338
8339 if (ret != 0) {
8340 cb->cb_numfailed++;
8341 return (ret);
8342 }
8343
8344 return (0);
8345}
8346
8347static int
8348load_unload_keys(int argc, char **argv, boolean_t loadkey)
8349{
8350 int c, ret = 0, flags = 0;
8351 boolean_t do_all = B_FALSE;
8352 loadkey_cbdata_t cb = { 0 };
8353
8354 cb.cb_loadkey = loadkey;
8355
8356 while ((c = getopt(argc, argv, "anrL:")) != -1) {
8357 /* noop and alternate keylocations only apply to zfs load-key */
8358 if (loadkey) {
8359 switch (c) {
8360 case 'n':
8361 cb.cb_noop = B_TRUE;
8362 continue;
8363 case 'L':
8364 cb.cb_keylocation = optarg;
8365 continue;
8366 default:
8367 break;
8368 }
8369 }
8370
8371 switch (c) {
8372 case 'a':
8373 do_all = B_TRUE;
8374 cb.cb_recursive = B_TRUE;
8375 break;
8376 case 'r':
8377 flags |= ZFS_ITER_RECURSE;
8378 cb.cb_recursive = B_TRUE;
8379 break;
8380 default:
8381 (void) fprintf(stderr,
8382 gettext("invalid option '%c'\n"), optopt);
8383 usage(B_FALSE);
8384 }
8385 }
8386
8387 argc -= optind;
8388 argv += optind;
8389
8390 if (!do_all && argc == 0) {
8391 (void) fprintf(stderr,
8392 gettext("Missing dataset argument or -a option\n"));
8393 usage(B_FALSE);
8394 }
8395
8396 if (do_all && argc != 0) {
8397 (void) fprintf(stderr,
8398 gettext("Cannot specify dataset with -a option\n"));
8399 usage(B_FALSE);
8400 }
8401
8402 if (cb.cb_recursive && cb.cb_keylocation != NULL &&
8403 strcmp(cb.cb_keylocation, "prompt") != 0) {
8404 (void) fprintf(stderr, gettext("alternate keylocation may only "
8405 "be 'prompt' with -r or -a\n"));
8406 usage(B_FALSE);
8407 }
8408
8409 ret = zfs_for_each(argc, argv, flags,
8410 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0,
8411 load_key_callback, &cb);
8412
8413 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) {
8414 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"),
8415 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed),
8416 (u_longlong_t)cb.cb_numattempted,
8417 loadkey ? (cb.cb_noop ? "verified" : "loaded") :
8418 "unloaded");
8419 }
8420
8421 if (cb.cb_numfailed != 0)
8422 ret = -1;
8423
8424 return (ret);
8425}
8426
8427static int
8428zfs_do_load_key(int argc, char **argv)
8429{
8430 return (load_unload_keys(argc, argv, B_TRUE));
8431}
8432
8433
8434static int
8435zfs_do_unload_key(int argc, char **argv)
8436{
8437 return (load_unload_keys(argc, argv, B_FALSE));
8438}
8439
8440static int
8441zfs_do_change_key(int argc, char **argv)
8442{
8443 int c, ret;
8444 uint64_t keystatus;
8445 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE;
8446 zfs_handle_t *zhp = NULL;
8447 nvlist_t *props = fnvlist_alloc();
8448
8449 while ((c = getopt(argc, argv, "lio:")) != -1) {
8450 switch (c) {
8451 case 'l':
8452 loadkey = B_TRUE;
8453 break;
8454 case 'i':
8455 inheritkey = B_TRUE;
8456 break;
8457 case 'o':
8458 if (!parseprop(props, optarg)) {
8459 nvlist_free(props);
8460 return (1);
8461 }
8462 break;
8463 default:
8464 (void) fprintf(stderr,
8465 gettext("invalid option '%c'\n"), optopt);
8466 usage(B_FALSE);
8467 }
8468 }
8469
8470 if (inheritkey && !nvlist_empty(props)) {
8471 (void) fprintf(stderr,
8472 gettext("Properties not allowed for inheriting\n"));
8473 usage(B_FALSE);
8474 }
8475
8476 argc -= optind;
8477 argv += optind;
8478
8479 if (argc < 1) {
8480 (void) fprintf(stderr, gettext("Missing dataset argument\n"));
8481 usage(B_FALSE);
8482 }
8483
8484 if (argc > 1) {
8485 (void) fprintf(stderr, gettext("Too many arguments\n"));
8486 usage(B_FALSE);
8487 }
8488
8489 zhp = zfs_open(g_zfs, argv[argc - 1],
8490 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
8491 if (zhp == NULL)
8492 usage(B_FALSE);
8493
8494 if (loadkey) {
8495 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8496 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) {
8497 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL);
4807c0ba
TC		 8498 if (ret != 0) {
8499 nvlist_free(props);
8500 zfs_close(zhp);
8501 return (-1);
8502 }
b5256303
TC		 8503 }
8504
4807c0ba 8505 /* refresh the properties so the new keystatus is visible */
b5256303
TC		 8506 zfs_refresh_properties(zhp);
8507 }
8508
8509 ret = zfs_crypto_rewrap(zhp, props, inheritkey);
4807c0ba
TC		 8510 if (ret != 0) {
8511 nvlist_free(props);
8512 zfs_close(zhp);
8513 return (-1);
8514 }
b5256303
TC		 8515
8516 nvlist_free(props);
8517 zfs_close(zhp);
8518 return (0);
b5256303
TC		 8519}
8520
9c5167d1
NF		 8521/*
8522 * 1) zfs project [-d|-r] <file|directory ...>
8523 * List project ID and inherit flag of file(s) or directories.
8524 * -d: List the directory itself, not its children.
8525 * -r: List subdirectories recursively.
8526 *
8527 * 2) zfs project -C [-k] [-r] <file|directory ...>
8528 * Clear project inherit flag and/or ID on the file(s) or directories.
8529 * -k: Keep the project ID unchanged. If not specified, the project ID
8530 * will be reset as zero.
8531 * -r: Clear on subdirectories recursively.
8532 *
8533 * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...>
8534 * Check project ID and inherit flag on the file(s) or directories,
8535 * report the outliers.
8536 * -0: Print file name followed by a NUL instead of newline.
8537 * -d: Check the directory itself, not its children.
8538 * -p: Specify the referenced ID for comparing with the target file(s)
8539 * or directories' project IDs. If not specified, the target (top)
8540 * directory's project ID will be used as the referenced one.
8541 * -r: Check subdirectories recursively.
8542 *
8543 * 4) zfs project [-p id] [-r] [-s] <file|directory ...>
8544 * Set project ID and/or inherit flag on the file(s) or directories.
8545 * -p: Set the project ID as the given id.
ad0b23b1 8546 * -r: Set on subdirectories recursively. If not specify "-p" option,
9c5167d1
NF		 8547 * it will use top-level directory's project ID as the given id,
8548 * then set both project ID and inherit flag on all descendants
8549 * of the top-level directory.
8550 * -s: Set project inherit flag.
8551 */
8552static int
8553zfs_do_project(int argc, char **argv)
8554{
8555 zfs_project_control_t zpc = {
8556 .zpc_expected_projid = ZFS_INVALID_PROJID,
8557 .zpc_op = ZFS_PROJECT_OP_DEFAULT,
8558 .zpc_dironly = B_FALSE,
8559 .zpc_keep_projid = B_FALSE,
8560 .zpc_newline = B_TRUE,
8561 .zpc_recursive = B_FALSE,
8562 .zpc_set_flag = B_FALSE,
8563 };
8564 int ret = 0, c;
8565
8566 if (argc < 2)
8567 usage(B_FALSE);
8568
8569 while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) {
8570 switch (c) {
8571 case '0':
8572 zpc.zpc_newline = B_FALSE;
8573 break;
8574 case 'C':
8575 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8576 (void) fprintf(stderr, gettext("cannot "
8577 "specify '-C' '-c' '-s' together\n"));
8578 usage(B_FALSE);
8579 }
8580
8581 zpc.zpc_op = ZFS_PROJECT_OP_CLEAR;
8582 break;
8583 case 'c':
8584 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8585 (void) fprintf(stderr, gettext("cannot "
8586 "specify '-C' '-c' '-s' together\n"));
8587 usage(B_FALSE);
8588 }
8589
8590 zpc.zpc_op = ZFS_PROJECT_OP_CHECK;
8591 break;
8592 case 'd':
8593 zpc.zpc_dironly = B_TRUE;
8594 /* overwrite "-r" option */
8595 zpc.zpc_recursive = B_FALSE;
8596 break;
8597 case 'k':
8598 zpc.zpc_keep_projid = B_TRUE;
8599 break;
8600 case 'p': {
8601 char *endptr;
8602
8603 errno = 0;
8604 zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0);
8605 if (errno != 0 || *endptr != '\0') {
8606 (void) fprintf(stderr,
8607 gettext("project ID must be less than "
8608 "%u\n"), UINT32_MAX);
8609 usage(B_FALSE);
8610 }
8611 if (zpc.zpc_expected_projid >= UINT32_MAX) {
8612 (void) fprintf(stderr,
8613 gettext("invalid project ID\n"));
8614 usage(B_FALSE);
8615 }
8616 break;
8617 }
8618 case 'r':
8619 zpc.zpc_recursive = B_TRUE;
8620 /* overwrite "-d" option */
8621 zpc.zpc_dironly = B_FALSE;
8622 break;
8623 case 's':
8624 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8625 (void) fprintf(stderr, gettext("cannot "
8626 "specify '-C' '-c' '-s' together\n"));
8627 usage(B_FALSE);
8628 }
8629
8630 zpc.zpc_set_flag = B_TRUE;
8631 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8632 break;
8633 default:
8634 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8635 optopt);
8636 usage(B_FALSE);
8637 }
8638 }
8639
8640 if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) {
8641 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID)
8642 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8643 else
8644 zpc.zpc_op = ZFS_PROJECT_OP_LIST;
8645 }
8646
8647 switch (zpc.zpc_op) {
8648 case ZFS_PROJECT_OP_LIST:
8649 if (zpc.zpc_keep_projid) {
8650 (void) fprintf(stderr,
8651 gettext("'-k' is only valid together with '-C'\n"));
8652 usage(B_FALSE);
8653 }
8654 if (!zpc.zpc_newline) {
8655 (void) fprintf(stderr,
8656 gettext("'-0' is only valid together with '-c'\n"));
8657 usage(B_FALSE);
8658 }
8659 break;
8660 case ZFS_PROJECT_OP_CHECK:
8661 if (zpc.zpc_keep_projid) {
8662 (void) fprintf(stderr,
8663 gettext("'-k' is only valid together with '-C'\n"));
8664 usage(B_FALSE);
8665 }
8666 break;
8667 case ZFS_PROJECT_OP_CLEAR:
8668 if (zpc.zpc_dironly) {
8669 (void) fprintf(stderr,
8670 gettext("'-d' is useless together with '-C'\n"));
8671 usage(B_FALSE);
8672 }
8673 if (!zpc.zpc_newline) {
8674 (void) fprintf(stderr,
8675 gettext("'-0' is only valid together with '-c'\n"));
8676 usage(B_FALSE);
8677 }
8678 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) {
8679 (void) fprintf(stderr,
8680 gettext("'-p' is useless together with '-C'\n"));
8681 usage(B_FALSE);
8682 }
8683 break;
8684 case ZFS_PROJECT_OP_SET:
8685 if (zpc.zpc_dironly) {
8686 (void) fprintf(stderr,
8687 gettext("'-d' is useless for set project ID and/or "
8688 "inherit flag\n"));
8689 usage(B_FALSE);
8690 }
8691 if (zpc.zpc_keep_projid) {
8692 (void) fprintf(stderr,
8693 gettext("'-k' is only valid together with '-C'\n"));
8694 usage(B_FALSE);
8695 }
8696 if (!zpc.zpc_newline) {
8697 (void) fprintf(stderr,
8698 gettext("'-0' is only valid together with '-c'\n"));
8699 usage(B_FALSE);
8700 }
8701 break;
8702 default:
8703 ASSERT(0);
8704 break;
8705 }
8706
8707 argv += optind;
8708 argc -= optind;
8709 if (argc == 0) {
8710 (void) fprintf(stderr,
8711 gettext("missing file or directory target(s)\n"));
8712 usage(B_FALSE);
8713 }
8714
8715 for (int i = 0; i < argc; i++) {
8716 int err;
8717
8718 err = zfs_project_handle(argv[i], &zpc);
8719 if (err && !ret)
8720 ret = err;
8721 }
8722
8723 return (ret);
8724}
8725
5a42ef04
PD		 8726static int
8727zfs_do_wait(int argc, char **argv)
8728{
8729 boolean_t enabled[ZFS_WAIT_NUM_ACTIVITIES];
4ecd9637 8730 int error = 0, i;
fb188409 8731 int c;
5a42ef04
PD		 8732
8733 /* By default, wait for all types of activity. */
8734 for (i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++)
8735 enabled[i] = B_TRUE;
8736
8737 while ((c = getopt(argc, argv, "t:")) != -1) {
8738 switch (c) {
8739 case 't':
5a42ef04 8740 /* Reset activities array */
861166b0 8741 memset(&enabled, 0, sizeof (enabled));
5a42ef04 8742
15aca3ad
AZ		 8743 for (char *tok; (tok = strsep(&optarg, ",")); ) {
8744 static const char *const col_subopts[
8745 ZFS_WAIT_NUM_ACTIVITIES] = { "deleteq" };
5a42ef04 8746
15aca3ad
AZ		 8747 for (i = 0; i < ARRAY_SIZE(col_subopts); ++i)
8748 if (strcmp(tok, col_subopts[i]) == 0) {
8749 enabled[i] = B_TRUE;
8750 goto found;
8751 }
8752
8753 (void) fprintf(stderr,
8754 gettext("invalid activity '%s'\n"), tok);
8755 usage(B_FALSE);
8756found:;
5a42ef04
PD		 8757 }
8758 break;
5a42ef04
PD		 8759 case '?':
8760 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8761 optopt);
8762 usage(B_FALSE);
8763 }
8764 }
8765
8766 argv += optind;
8767 argc -= optind;
8768 if (argc < 1) {
8769 (void) fprintf(stderr, gettext("missing 'filesystem' "
8770 "argument\n"));
8771 usage(B_FALSE);
8772 }
8773 if (argc > 1) {
8774 (void) fprintf(stderr, gettext("too many arguments\n"));
8775 usage(B_FALSE);
8776 }
8777
8778 zfs_handle_t *zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM);
8779 if (zhp == NULL)
8780 return (1);
8781
8782 for (;;) {
8783 boolean_t missing = B_FALSE;
8784 boolean_t any_waited = B_FALSE;
8785
8786 for (int i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++) {
8787 boolean_t waited;
8788
8789 if (!enabled[i])
8790 continue;
8791
8792 error = zfs_wait_status(zhp, i, &missing, &waited);
8793 if (error != 0 || missing)
8794 break;
8795
8796 any_waited = (any_waited || waited);
8797 }
8798
8799 if (error != 0 || missing || !any_waited)
8800 break;
8801 }
8802
8803 zfs_close(zhp);
8804
8805 return (error);
8806}
8807
50478c6d
T		 8808/*
8809 * Display version message
8810 */
8811static int
8812zfs_do_version(int argc, char **argv)
8813{
f291fa65 8814 (void) argc, (void) argv;
2b4f2fc9 8815 return (zfs_version_print() != 0);
50478c6d
T		 8816}
8817
7228ba11
RN		 8818/* Display documentation */
8819static int
8820zfs_do_help(int argc, char **argv)
8821{
8822 char page[MAXNAMELEN];
8823 if (argc < 3 || strcmp(argv[2], "zfs") == 0)
8824 strcpy(page, "zfs");
8825 else if (strcmp(argv[2], "concepts") == 0 ||
8826 strcmp(argv[2], "props") == 0)
8827 snprintf(page, sizeof (page), "zfs%s", argv[2]);
8828 else
8829 snprintf(page, sizeof (page), "zfs-%s", argv[2]);
8830
8831 execlp("man", "man", page, NULL);
8832
8833 fprintf(stderr, "couldn't run man program: %s", strerror(errno));
8834 return (-1);
8835}
8836
34dc7c2f
BB		 8837int
8838main(int argc, char **argv)
8839{
ad60af8e 8840 int ret = 0;
d4ed6673 8841 int i = 0;
a926aab9 8842 const char *cmdname;
edc05fdb 8843 char **newargv;
34dc7c2f
BB		 8844
8845 (void) setlocale(LC_ALL, "");
c2c7ca0d 8846 (void) setlocale(LC_NUMERIC, "C");
34dc7c2f
BB		 8847 (void) textdomain(TEXT_DOMAIN);
8848
8849 opterr = 0;
8850
34dc7c2f 8851 /*
d53368f6 8852 * Make sure the user has specified some command.
34dc7c2f 8853 */
d53368f6
BB		 8854 if (argc < 2) {
8855 (void) fprintf(stderr, gettext("missing command\n"));
8856 usage(B_FALSE);
8857 }
34dc7c2f 8858
d53368f6 8859 cmdname = argv[1];
34dc7c2f 8860
d53368f6
BB		 8861 /*
8862 * The 'umount' command is an alias for 'unmount'
8863 */
8864 if (strcmp(cmdname, "umount") == 0)
8865 cmdname = "unmount";
34dc7c2f 8866
d53368f6
BB		 8867 /*
8868 * The 'recv' command is an alias for 'receive'
8869 */
8870 if (strcmp(cmdname, "recv") == 0)
8871 cmdname = "receive";
34dc7c2f 8872
10b75496
S		 8873 /*
8874 * The 'snap' command is an alias for 'snapshot'
8875 */
8876 if (strcmp(cmdname, "snap") == 0)
8877 cmdname = "snapshot";
8878
d53368f6
BB		 8879 /*
8880 * Special case '-?'
8881 */
8882 if ((strcmp(cmdname, "-?") == 0) ||
8883 (strcmp(cmdname, "--help") == 0))
8884 usage(B_TRUE);
34dc7c2f 8885
50478c6d
T		 8886 /*
8887 * Special case '-V|--version'
8888 */
8889 if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0))
8890 return (zfs_do_version(argc, argv));
8891
7228ba11
RN		 8892 /*
8893 * Special case 'help'
8894 */
8895 if (strcmp(cmdname, "help") == 0)
8896 return (zfs_do_help(argc, argv));
8897
65037d9b 8898 if ((g_zfs = libzfs_init()) == NULL) {
afc8f0a6 8899 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
d53368f6 8900 return (1);
65037d9b 8901 }
9b020fd9 8902
6f1ffb06 8903 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
9b020fd9 8904
d53368f6 8905 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 8906
19d39615
AH		 8907 zfs_setproctitle_init(argc, argv, environ);
8908
edc05fdb
D		 8909 /*
8910 * Many commands modify input strings for string parsing reasons.
8911 * We create a copy to protect the original argv.
8912 */
a3dcc0aa 8913 newargv = safe_malloc((argc + 1) * sizeof (newargv[0]));
edc05fdb
D		 8914 for (i = 0; i < argc; i++)
8915 newargv[i] = strdup(argv[i]);
8916 newargv[argc] = NULL;
8917
d53368f6
BB		 8918 /*
8919 * Run the appropriate command.
8920 */
e0730668 8921 libzfs_mnttab_cache(g_zfs, B_TRUE);
d53368f6
BB		 8922 if (find_command_idx(cmdname, &i) == 0) {
8923 current_command = &command_table[i];
edc05fdb 8924 ret = command_table[i].func(argc - 1, newargv + 1);
d53368f6
BB		 8925 } else if (strchr(cmdname, '=') != NULL) {
8926 verify(find_command_idx("set", &i) == 0);
8927 current_command = &command_table[i];
edc05fdb 8928 ret = command_table[i].func(argc, newargv);
d53368f6
BB		 8929 } else {
8930 (void) fprintf(stderr, gettext("unrecognized "
8931 "command '%s'\n"), cmdname);
8932 usage(B_FALSE);
8933 ret = 1;
34dc7c2f
BB		 8934 }
8935
edc05fdb
D		 8936 for (i = 0; i < argc; i++)
8937 free(newargv[i]);
8938 free(newargv);
8939
6f1ffb06
MA		 8940 if (ret == 0 && log_history)
8941 (void) zpool_log_history(g_zfs, history_str);
8942
fb8e608d
TC		 8943 libzfs_fini(g_zfs);
8944
34dc7c2f
BB		 8945 /*
8946 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
8947 * for the purposes of running ::findleaks.
8948 */
8949 if (getenv("ZFS_ABORT") != NULL) {
8950 (void) printf("dumping core by request\n");
8951 abort();
8952 }
8953
8954 return (ret);
8955}
4bc72196 8956
4ed5e250
WA		 8957/*
8958 * zfs zone nsfile filesystem
8959 *
8960 * Add or delete the given dataset to/from the namespace.
8961 */
8962#ifdef __linux__
8963static int
8964zfs_do_zone_impl(int argc, char **argv, boolean_t attach)
8965{
8966 zfs_handle_t *zhp;
8967 int ret;
8968
8969 if (argc < 3) {
8970 (void) fprintf(stderr, gettext("missing argument(s)\n"));
8971 usage(B_FALSE);
8972 }
8973 if (argc > 3) {
8974 (void) fprintf(stderr, gettext("too many arguments\n"));
8975 usage(B_FALSE);
8976 }
8977
8978 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
8979 if (zhp == NULL)
8980 return (1);
8981
8982 ret = (zfs_userns(zhp, argv[1], attach) != 0);
8983
8984 zfs_close(zhp);
8985 return (ret);
8986}
8987
8988static int
8989zfs_do_zone(int argc, char **argv)
8990{
8991 return (zfs_do_zone_impl(argc, argv, B_TRUE));
8992}
8993
8994static int
8995zfs_do_unzone(int argc, char **argv)
8996{
8997 return (zfs_do_zone_impl(argc, argv, B_FALSE));
8998}
8999#endif
9000
4bc72196
MM		 9001#ifdef __FreeBSD__
9002#include <sys/jail.h>
9003#include <jail.h>
9004/*
9005 * Attach/detach the given dataset to/from the given jail
9006 */
4bc72196
MM		 9007static int
9008zfs_do_jail_impl(int argc, char **argv, boolean_t attach)
9009{
9010 zfs_handle_t *zhp;
9011 int jailid, ret;
9012
9013 /* check number of arguments */
9014 if (argc < 3) {
9015 (void) fprintf(stderr, gettext("missing argument(s)\n"));
9016 usage(B_FALSE);
9017 }
9018 if (argc > 3) {
9019 (void) fprintf(stderr, gettext("too many arguments\n"));
9020 usage(B_FALSE);
9021 }
9022
9023 jailid = jail_getid(argv[1]);
9024 if (jailid < 0) {
9025 (void) fprintf(stderr, gettext("invalid jail id or name\n"));
9026 usage(B_FALSE);
9027 }
9028
9029 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
9030 if (zhp == NULL)
9031 return (1);
9032
9033 ret = (zfs_jail(zhp, jailid, attach) != 0);
9034
9035 zfs_close(zhp);
9036 return (ret);
9037}
9038
9039/*
9040 * zfs jail jailid filesystem
9041 *
9042 * Attach the given dataset to the given jail
9043 */
4bc72196
MM		 9044static int
9045zfs_do_jail(int argc, char **argv)
9046{
9047 return (zfs_do_jail_impl(argc, argv, B_TRUE));
9048}
9049
9050/*
9051 * zfs unjail jailid filesystem
9052 *
9053 * Detach the given dataset from the given jail
9054 */
4bc72196
MM		 9055static int
9056zfs_do_unjail(int argc, char **argv)
9057{
9058 return (zfs_do_jail_impl(argc, argv, B_FALSE));
9059}
9060#endif
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