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Add support for zfs mount -R <filesystem>
[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[] = {
2149 "filesystem", "volume",
2150 "snapshot", "snap",
2151 "bookmark",
2152 "all" };
2153 static const int type_types[] = {
2154 ZFS_TYPE_FILESYSTEM, ZFS_TYPE_VOLUME,
2155 ZFS_TYPE_SNAPSHOT, ZFS_TYPE_SNAPSHOT,
2156 ZFS_TYPE_BOOKMARK,
2157 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK };
2158
2159 for (i = 0; i < ARRAY_SIZE(type_opts); ++i)
2160 if (strcmp(tok, type_opts[i]) == 0) {
2161 types |= type_types[i];
2162 goto found3;
2163 }
2164
2165 (void) fprintf(stderr,
2166 gettext("invalid type '%s'\n"), tok);
2167 usage(B_FALSE);
2168found3:;
e346ec25
AS		 2169 }
2170 break;
2171
34dc7c2f
BB		 2172 case '?':
2173 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2174 optopt);
2175 usage(B_FALSE);
2176 }
2177 }
2178
2179 argc -= optind;
2180 argv += optind;
2181
2182 if (argc < 1) {
2183 (void) fprintf(stderr, gettext("missing property "
2184 "argument\n"));
2185 usage(B_FALSE);
2186 }
2187
2188 fields = argv[0];
2189
df583073 2190 /*
8221bcf1
I		 2191 * Handle users who want to get all snapshots or bookmarks
2192 * of a dataset (ex. 'zfs get -t snapshot refer <dataset>').
df583073 2193 */
8221bcf1
I		 2194 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
2195 argc > 1 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 2196 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
2197 limit = 1;
2198 }
2199
34dc7c2f
BB		 2200 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
2201 != 0)
2202 usage(B_FALSE);
2203
2204 argc--;
2205 argv++;
2206
2207 /*
2208 * As part of zfs_expand_proplist(), we keep track of the maximum column
2209 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
2210 * need to know the maximum name length. However, the user likely did
2211 * not specify 'name' as one of the properties to fetch, so we need to
2212 * make sure we always include at least this property for
2213 * print_get_headers() to work properly.
2214 */
2215 if (cb.cb_proplist != NULL) {
2216 fake_name.pl_prop = ZFS_PROP_NAME;
2217 fake_name.pl_width = strlen(gettext("NAME"));
2218 fake_name.pl_next = cb.cb_proplist;
2219 cb.cb_proplist = &fake_name;
2220 }
2221
2222 cb.cb_first = B_TRUE;
2223
2224 /* run for each object */
e346ec25 2225 ret = zfs_for_each(argc, argv, flags, types, NULL,
9babb374 2226 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 2227
2228 if (cb.cb_proplist == &fake_name)
2229 zprop_free_list(fake_name.pl_next);
2230 else
2231 zprop_free_list(cb.cb_proplist);
2232
2233 return (ret);
2234}
2235
2236/*
428870ff 2237 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 2238 *
428870ff
BB		 2239 * -r Recurse over all children
2240 * -S Revert to received value, if any
34dc7c2f
BB		 2241 *
2242 * For each dataset specified on the command line, inherit the given property
2243 * from its parent. Inheriting a property at the pool level will cause it to
2244 * use the default value. The '-r' flag will recurse over all children, and is
2245 * useful for setting a property on a hierarchy-wide basis, regardless of any
2246 * local modifications for each dataset.
2247 */
2248
428870ff
BB		 2249typedef struct inherit_cbdata {
2250 const char *cb_propname;
2251 boolean_t cb_received;
2252} inherit_cbdata_t;
2253
34dc7c2f 2254static int
b128c09f 2255inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 2256{
428870ff
BB		 2257 inherit_cbdata_t *cb = data;
2258 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 2259
b128c09f
BB		 2260 /*
2261 * If we're doing it recursively, then ignore properties that
2262 * are not valid for this type of dataset.
2263 */
2264 if (prop != ZPROP_INVAL &&
962d5242 2265 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE))
b128c09f
BB		 2266 return (0);
2267
428870ff 2268 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 2269}
2270
2271static int
2272inherit_cb(zfs_handle_t *zhp, void *data)
2273{
428870ff 2274 inherit_cbdata_t *cb = data;
b128c09f 2275
428870ff 2276 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 2277}
2278
2279static int
2280zfs_do_inherit(int argc, char **argv)
2281{
34dc7c2f
BB		 2282 int c;
2283 zfs_prop_t prop;
428870ff 2284 inherit_cbdata_t cb = { 0 };
34dc7c2f 2285 char *propname;
ad60af8e 2286 int ret = 0;
b128c09f 2287 int flags = 0;
428870ff 2288 boolean_t received = B_FALSE;
34dc7c2f
BB		 2289
2290 /* check options */
428870ff 2291 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 2292 switch (c) {
2293 case 'r':
b128c09f 2294 flags |= ZFS_ITER_RECURSE;
34dc7c2f 2295 break;
428870ff
BB		 2296 case 'S':
2297 received = B_TRUE;
2298 break;
34dc7c2f
BB		 2299 case '?':
2300 default:
2301 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2302 optopt);
2303 usage(B_FALSE);
2304 }
2305 }
2306
2307 argc -= optind;
2308 argv += optind;
2309
2310 /* check number of arguments */
2311 if (argc < 1) {
2312 (void) fprintf(stderr, gettext("missing property argument\n"));
2313 usage(B_FALSE);
2314 }
2315 if (argc < 2) {
2316 (void) fprintf(stderr, gettext("missing dataset argument\n"));
2317 usage(B_FALSE);
2318 }
2319
2320 propname = argv[0];
2321 argc--;
2322 argv++;
2323
4ff7a8fa 2324 if ((prop = zfs_name_to_prop(propname)) != ZPROP_USERPROP) {
34dc7c2f
BB		 2325 if (zfs_prop_readonly(prop)) {
2326 (void) fprintf(stderr, gettext(
2327 "%s property is read-only\n"),
2328 propname);
2329 return (1);
2330 }
428870ff 2331 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 2332 (void) fprintf(stderr, gettext("'%s' property cannot "
2333 "be inherited\n"), propname);
2334 if (prop == ZFS_PROP_QUOTA ||
2335 prop == ZFS_PROP_RESERVATION ||
2336 prop == ZFS_PROP_REFQUOTA ||
0bf8501a 2337 prop == ZFS_PROP_REFRESERVATION) {
34dc7c2f
BB		 2338 (void) fprintf(stderr, gettext("use 'zfs set "
2339 "%s=none' to clear\n"), propname);
0bf8501a
PH		 2340 (void) fprintf(stderr, gettext("use 'zfs "
2341 "inherit -S %s' to revert to received "
2342 "value\n"), propname);
2343 }
34dc7c2f
BB		 2344 return (1);
2345 }
428870ff
BB		 2346 if (received && (prop == ZFS_PROP_VOLSIZE ||
2347 prop == ZFS_PROP_VERSION)) {
2348 (void) fprintf(stderr, gettext("'%s' property cannot "
2349 "be reverted to a received value\n"), propname);
2350 return (1);
2351 }
34dc7c2f
BB		 2352 } else if (!zfs_prop_user(propname)) {
2353 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
2354 propname);
2355 usage(B_FALSE);
2356 }
2357
428870ff
BB		 2358 cb.cb_propname = propname;
2359 cb.cb_received = received;
2360
b128c09f
BB		 2361 if (flags & ZFS_ITER_RECURSE) {
2362 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2363 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 2364 } else {
2365 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2366 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 2367 }
34dc7c2f
BB		 2368
2369 return (ret);
2370}
2371
2372typedef struct upgrade_cbdata {
2373 uint64_t cb_numupgraded;
2374 uint64_t cb_numsamegraded;
2375 uint64_t cb_numfailed;
2376 uint64_t cb_version;
2377 boolean_t cb_newer;
2378 boolean_t cb_foundone;
eca7b760 2379 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f
BB		 2380} upgrade_cbdata_t;
2381
2382static int
2383same_pool(zfs_handle_t *zhp, const char *name)
2384{
2385 int len1 = strcspn(name, "/@");
2386 const char *zhname = zfs_get_name(zhp);
2387 int len2 = strcspn(zhname, "/@");
2388
2389 if (len1 != len2)
2390 return (B_FALSE);
2391 return (strncmp(name, zhname, len1) == 0);
2392}
2393
2394static int
2395upgrade_list_callback(zfs_handle_t *zhp, void *data)
2396{
2397 upgrade_cbdata_t *cb = data;
2398 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
2399
2400 /* list if it's old/new */
2401 if ((!cb->cb_newer && version < ZPL_VERSION) ||
2402 (cb->cb_newer && version > ZPL_VERSION)) {
2403 char *str;
2404 if (cb->cb_newer) {
2405 str = gettext("The following filesystems are "
2406 "formatted using a newer software version and\n"
2407 "cannot be accessed on the current system.\n\n");
2408 } else {
2409 str = gettext("The following filesystems are "
2410 "out of date, and can be upgraded. After being\n"
2411 "upgraded, these filesystems (and any 'zfs send' "
2412 "streams generated from\n"
2413 "subsequent snapshots) will no longer be "
2414 "accessible by older software versions.\n\n");
2415 }
2416
2417 if (!cb->cb_foundone) {
2418 (void) puts(str);
2419 (void) printf(gettext("VER FILESYSTEM\n"));
2420 (void) printf(gettext("--- ------------\n"));
2421 cb->cb_foundone = B_TRUE;
2422 }
2423
2424 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
2425 }
2426
2427 return (0);
2428}
2429
2430static int
2431upgrade_set_callback(zfs_handle_t *zhp, void *data)
2432{
2433 upgrade_cbdata_t *cb = data;
2434 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 2435 int needed_spa_version;
2436 int spa_version;
2437
2438 if (zfs_spa_version(zhp, &spa_version) < 0)
2439 return (-1);
2440
2441 needed_spa_version = zfs_spa_version_map(cb->cb_version);
2442
2443 if (needed_spa_version < 0)
2444 return (-1);
2445
2446 if (spa_version < needed_spa_version) {
2447 /* can't upgrade */
2448 (void) printf(gettext("%s: can not be "
2449 "upgraded; the pool version needs to first "
2450 "be upgraded\nto version %d\n\n"),
2451 zfs_get_name(zhp), needed_spa_version);
2452 cb->cb_numfailed++;
2453 return (0);
34dc7c2f
BB		 2454 }
2455
2456 /* upgrade */
2457 if (version < cb->cb_version) {
f11431a3 2458 char verstr[24];
34dc7c2f 2459 (void) snprintf(verstr, sizeof (verstr),
b8864a23 2460 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 2461 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
2462 /*
2463 * If they did "zfs upgrade -a", then we could
2464 * be doing ioctls to different pools. We need
6f1ffb06
MA		 2465 * to log this history once to each pool, and bypass
2466 * the normal history logging that happens in main().
34dc7c2f 2467 */
6f1ffb06
MA		 2468 (void) zpool_log_history(g_zfs, history_str);
2469 log_history = B_FALSE;
34dc7c2f
BB		 2470 }
2471 if (zfs_prop_set(zhp, "version", verstr) == 0)
2472 cb->cb_numupgraded++;
2473 else
2474 cb->cb_numfailed++;
a51288aa
RY		 2475 (void) strlcpy(cb->cb_lastfs, zfs_get_name(zhp),
2476 sizeof (cb->cb_lastfs));
34dc7c2f
BB		 2477 } else if (version > cb->cb_version) {
2478 /* can't downgrade */
2479 (void) printf(gettext("%s: can not be downgraded; "
2480 "it is already at version %u\n"),
2481 zfs_get_name(zhp), version);
2482 cb->cb_numfailed++;
2483 } else {
2484 cb->cb_numsamegraded++;
2485 }
2486 return (0);
2487}
2488
2489/*
2490 * zfs upgrade
2491 * zfs upgrade -v
2492 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
2493 */
2494static int
2495zfs_do_upgrade(int argc, char **argv)
2496{
34dc7c2f
BB		 2497 boolean_t all = B_FALSE;
2498 boolean_t showversions = B_FALSE;
ad60af8e 2499 int ret = 0;
34dc7c2f 2500 upgrade_cbdata_t cb = { 0 };
0869b74a 2501 int c;
b128c09f 2502 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2503
2504 /* check options */
2505 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
2506 switch (c) {
2507 case 'r':
b128c09f 2508 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2509 break;
2510 case 'v':
2511 showversions = B_TRUE;
2512 break;
2513 case 'V':
2514 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
2515 optarg, &cb.cb_version) != 0) {
2516 (void) fprintf(stderr,
2517 gettext("invalid version %s\n"), optarg);
2518 usage(B_FALSE);
2519 }
2520 break;
2521 case 'a':
2522 all = B_TRUE;
2523 break;
2524 case '?':
2525 default:
2526 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2527 optopt);
2528 usage(B_FALSE);
2529 }
2530 }
2531
2532 argc -= optind;
2533 argv += optind;
2534
b128c09f 2535 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 2536 usage(B_FALSE);
b128c09f
BB		 2537 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
2538 cb.cb_version || argc))
34dc7c2f
BB		 2539 usage(B_FALSE);
2540 if ((all || argc) && (showversions))
2541 usage(B_FALSE);
2542 if (all && argc)
2543 usage(B_FALSE);
2544
2545 if (showversions) {
2546 /* Show info on available versions. */
2547 (void) printf(gettext("The following filesystem versions are "
2548 "supported:\n\n"));
2549 (void) printf(gettext("VER DESCRIPTION\n"));
2550 (void) printf("--- -----------------------------------------"
2551 "---------------\n");
2552 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2553 (void) printf(gettext(" 2 Enhanced directory entries\n"));
330d06f9
MA		 2554 (void) printf(gettext(" 3 Case insensitive and filesystem "
2555 "user identifier (FUID)\n"));
9babb374
BB		 2556 (void) printf(gettext(" 4 userquota, groupquota "
2557 "properties\n"));
428870ff 2558 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 2559 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 2560 "version, including supported releases,\n"));
2561 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 2562 ret = 0;
2563 } else if (argc || all) {
2564 /* Upgrade filesystems */
2565 if (cb.cb_version == 0)
2566 cb.cb_version = ZPL_VERSION;
b128c09f 2567 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2568 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 2569 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 2570 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 2571 if (cb.cb_numsamegraded) {
2572 (void) printf(gettext("%llu filesystems already at "
2573 "this version\n"),
b8864a23 2574 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 2575 }
2576 if (cb.cb_numfailed != 0)
2577 ret = 1;
2578 } else {
4e33ba4c 2579 /* List old-version filesystems */
34dc7c2f
BB		 2580 boolean_t found;
2581 (void) printf(gettext("This system is currently running "
2582 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
2583
b128c09f
BB		 2584 flags |= ZFS_ITER_RECURSE;
2585 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2586 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2587
2588 found = cb.cb_foundone;
2589 cb.cb_foundone = B_FALSE;
2590 cb.cb_newer = B_TRUE;
2591
6a42939f 2592 ret |= zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2593 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2594
2595 if (!cb.cb_foundone && !found) {
2596 (void) printf(gettext("All filesystems are "
2597 "formatted with the current version.\n"));
2598 }
2599 }
2600
2601 return (ret);
2602}
2603
5990da81
YP		 2604/*
2605 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2606 * [-S field [-S field]...] [-t type[,...]]
2607 * filesystem | snapshot | path
5990da81 2608 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2609 * [-S field [-S field]...] [-t type[,...]]
2610 * filesystem | snapshot | path
9c5167d1 2611 * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...]
cf266775 2612 * [-S field [-S field]...] filesystem | snapshot | path
5990da81
YP		 2613 *
2614 * -H Scripted mode; elide headers and separate columns by tabs.
2615 * -i Translate SID to POSIX ID.
2616 * -n Print numeric ID instead of user/group name.
2617 * -o Control which fields to display.
54d5378f 2618 * -p Use exact (parsable) numeric output.
5990da81
YP		 2619 * -s Specify sort columns, descending order.
2620 * -S Specify sort columns, ascending order.
2621 * -t Control which object types to display.
2622 *
2623 * Displays space consumed by, and quotas on, each user in the specified
2624 * filesystem or snapshot.
2625 */
0b7936d5 2626
5990da81
YP		 2627/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2628enum us_field_types {
2629 USFIELD_TYPE,
2630 USFIELD_NAME,
2631 USFIELD_USED,
1de321e6
JX		 2632 USFIELD_QUOTA,
2633 USFIELD_OBJUSED,
2634 USFIELD_OBJQUOTA
5990da81 2635};
a926aab9 2636static const char *const us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA",
1de321e6 2637 "OBJUSED", "OBJQUOTA" };
a926aab9 2638static const char *const us_field_names[] = { "type", "name", "used", "quota",
1de321e6 2639 "objused", "objquota" };
5990da81 2640#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
0b7936d5 2641
5990da81
YP		 2642#define USTYPE_PSX_GRP (1 << 0)
2643#define USTYPE_PSX_USR (1 << 1)
2644#define USTYPE_SMB_GRP (1 << 2)
2645#define USTYPE_SMB_USR (1 << 3)
9c5167d1 2646#define USTYPE_PROJ (1 << 4)
5990da81 2647#define USTYPE_ALL \
9c5167d1
NF		 2648 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \
2649 USTYPE_PROJ)
0b7936d5 2650
5990da81
YP		 2651static int us_type_bits[] = {
2652 USTYPE_PSX_GRP,
2653 USTYPE_PSX_USR,
2654 USTYPE_SMB_GRP,
2655 USTYPE_SMB_USR,
2656 USTYPE_ALL
2657};
a926aab9
AZ		 2658static const char *const us_type_names[] = { "posixgroup", "posixuser",
2659 "smbgroup", "smbuser", "all" };
0b7936d5
AS		 2660
2661typedef struct us_node {
2662 nvlist_t *usn_nvl;
2663 uu_avl_node_t usn_avlnode;
2664 uu_list_node_t usn_listnode;
2665} us_node_t;
2666
2667typedef struct us_cbdata {
5990da81
YP		 2668 nvlist_t **cb_nvlp;
2669 uu_avl_pool_t *cb_avl_pool;
2670 uu_avl_t *cb_avl;
2671 boolean_t cb_numname;
2672 boolean_t cb_nicenum;
2673 boolean_t cb_sid2posix;
2674 zfs_userquota_prop_t cb_prop;
2675 zfs_sort_column_t *cb_sortcol;
2676 size_t cb_width[USFIELD_LAST];
0b7936d5
AS		 2677} us_cbdata_t;
2678
5990da81
YP		 2679static boolean_t us_populated = B_FALSE;
2680
0b7936d5
AS		 2681typedef struct {
2682 zfs_sort_column_t *si_sortcol;
5990da81 2683 boolean_t si_numname;
0b7936d5
AS		 2684} us_sort_info_t;
2685
5990da81 2686static int
a926aab9 2687us_field_index(const char *field)
5990da81 2688{
a926aab9 2689 for (int i = 0; i < USFIELD_LAST; i++) {
5990da81
YP		 2690 if (strcmp(field, us_field_names[i]) == 0)
2691 return (i);
2692 }
2693
2694 return (-1);
2695}
2696
0b7936d5
AS		 2697static int
2698us_compare(const void *larg, const void *rarg, void *unused)
2699{
2700 const us_node_t *l = larg;
2701 const us_node_t *r = rarg;
0b7936d5
AS		 2702 us_sort_info_t *si = (us_sort_info_t *)unused;
2703 zfs_sort_column_t *sortcol = si->si_sortcol;
5990da81 2704 boolean_t numname = si->si_numname;
0b7936d5
AS		 2705 nvlist_t *lnvl = l->usn_nvl;
2706 nvlist_t *rnvl = r->usn_nvl;
5990da81
YP		 2707 int rc = 0;
2708 boolean_t lvb, rvb;
0b7936d5
AS		 2709
2710 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
d1807f16
RY		 2711 const char *lvstr = "";
2712 const char *rvstr = "";
0b7936d5
AS		 2713 uint32_t lv32 = 0;
2714 uint32_t rv32 = 0;
2715 uint64_t lv64 = 0;
2716 uint64_t rv64 = 0;
2717 zfs_prop_t prop = sortcol->sc_prop;
2718 const char *propname = NULL;
2719 boolean_t reverse = sortcol->sc_reverse;
2720
2721 switch (prop) {
2722 case ZFS_PROP_TYPE:
2723 propname = "type";
2724 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
2725 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
2726 if (rv32 != lv32)
5990da81 2727 rc = (rv32 < lv32) ? 1 : -1;
0b7936d5
AS		 2728 break;
2729 case ZFS_PROP_NAME:
2730 propname = "name";
5990da81 2731 if (numname) {
88cfff18 2732compare_nums:
5990da81
YP		 2733 (void) nvlist_lookup_uint64(lnvl, propname,
2734 &lv64);
2735 (void) nvlist_lookup_uint64(rnvl, propname,
2736 &rv64);
2737 if (rv64 != lv64)
2738 rc = (rv64 < lv64) ? 1 : -1;
0b7936d5 2739 } else {
88cfff18 2740 if ((nvlist_lookup_string(lnvl, propname,
02730c33 2741 &lvstr) == ENOENT) ||
88cfff18 2742 (nvlist_lookup_string(rnvl, propname,
02730c33 2743 &rvstr) == ENOENT)) {
88cfff18
PB		 2744 goto compare_nums;
2745 }
0b7936d5
AS		 2746 rc = strcmp(lvstr, rvstr);
2747 }
2748 break;
0b7936d5
AS		 2749 case ZFS_PROP_USED:
2750 case ZFS_PROP_QUOTA:
5990da81
YP		 2751 if (!us_populated)
2752 break;
2753 if (prop == ZFS_PROP_USED)
0b7936d5
AS		 2754 propname = "used";
2755 else
2756 propname = "quota";
2757 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
2758 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
2759 if (rv64 != lv64)
5990da81
YP		 2760 rc = (rv64 < lv64) ? 1 : -1;
2761 break;
648a09ad 2762
0b7936d5
AS		 2763 default:
2764 break;
2765 }
2766
5990da81 2767 if (rc != 0) {
0b7936d5
AS		 2768 if (rc < 0)
2769 return (reverse ? 1 : -1);
2770 else
2771 return (reverse ? -1 : 1);
2772 }
2773 }
2774
5990da81
YP		 2775 /*
2776 * If entries still seem to be the same, check if they are of the same
2777 * type (smbentity is added only if we are doing SID to POSIX ID
2778 * translation where we can have duplicate type/name combinations).
2779 */
2780 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
2781 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
2782 lvb != rvb)
2783 return (lvb < rvb ? -1 : 1);
2784
2785 return (0);
0b7936d5
AS		 2786}
2787
1de321e6
JX		 2788static boolean_t
2789zfs_prop_is_user(unsigned p)
2790{
2791 return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA ||
2792 p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA);
2793}
2794
2795static boolean_t
2796zfs_prop_is_group(unsigned p)
2797{
2798 return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA ||
2799 p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA);
2800}
2801
9c5167d1
NF		 2802static boolean_t
2803zfs_prop_is_project(unsigned p)
2804{
2805 return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA ||
2806 p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA);
2807}
2808
0b7936d5
AS		 2809static inline const char *
2810us_type2str(unsigned field_type)
2811{
2812 switch (field_type) {
2813 case USTYPE_PSX_USR:
2814 return ("POSIX User");
2815 case USTYPE_PSX_GRP:
2816 return ("POSIX Group");
2817 case USTYPE_SMB_USR:
2818 return ("SMB User");
2819 case USTYPE_SMB_GRP:
2820 return ("SMB Group");
9c5167d1
NF		 2821 case USTYPE_PROJ:
2822 return ("Project");
0b7936d5
AS		 2823 default:
2824 return ("Undefined");
2825 }
2826}
2827
9babb374
BB		 2828static int
2829userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
2830{
0b7936d5
AS		 2831 us_cbdata_t *cb = (us_cbdata_t *)arg;
2832 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 2833 char *name = NULL;
a926aab9 2834 const char *propname;
9babb374 2835 char sizebuf[32];
0b7936d5
AS		 2836 us_node_t *node;
2837 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
2838 uu_avl_t *avl = cb->cb_avl;
2839 uu_avl_index_t idx;
2840 nvlist_t *props;
2841 us_node_t *n;
2842 zfs_sort_column_t *sortcol = cb->cb_sortcol;
5990da81 2843 unsigned type = 0;
0b7936d5
AS		 2844 const char *typestr;
2845 size_t namelen;
2846 size_t typelen;
2847 size_t sizelen;
5990da81 2848 int typeidx, nameidx, sizeidx;
0b7936d5 2849 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
5990da81 2850 boolean_t smbentity = B_FALSE;
9babb374 2851
5990da81
YP		 2852 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
2853 nomem();
2854 node = safe_malloc(sizeof (us_node_t));
2855 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2856 node->usn_nvl = props;
2857
2858 if (domain != NULL && domain[0] != '\0') {
0b7936d5 2859#ifdef HAVE_IDMAP
5990da81 2860 /* SMB */
eca7b760 2861 char sid[MAXNAMELEN + 32];
0b7936d5
AS		 2862 uid_t id;
2863 uint64_t classes;
5990da81 2864 int err;
0b7936d5
AS		 2865 directory_error_t e;
2866
5990da81
YP		 2867 smbentity = B_TRUE;
2868
0b7936d5 2869 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
5990da81 2870
0b7936d5
AS		 2871 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2872 type = USTYPE_SMB_GRP;
2873 err = sid_to_id(sid, B_FALSE, &id);
2874 } else {
2875 type = USTYPE_SMB_USR;
2876 err = sid_to_id(sid, B_TRUE, &id);
2877 }
2878
2879 if (err == 0) {
2880 rid = id;
5990da81
YP		 2881 if (!cb->cb_sid2posix) {
2882 e = directory_name_from_sid(NULL, sid, &name,
2883 &classes);
105afebb 2884 if (e != NULL)
5990da81 2885 directory_error_free(e);
5990da81
YP		 2886 if (name == NULL)
2887 name = sid;
0b7936d5 2888 }
0b7936d5
AS		 2889 }
2890#else
5990da81
YP		 2891 nvlist_free(props);
2892 free(node);
2893
0b7936d5
AS		 2894 return (-1);
2895#endif /* HAVE_IDMAP */
9babb374
BB		 2896 }
2897
5990da81
YP		 2898 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
2899 /* POSIX or -i */
1de321e6 2900 if (zfs_prop_is_group(prop)) {
5990da81
YP		 2901 type = USTYPE_PSX_GRP;
2902 if (!cb->cb_numname) {
2903 struct group *g;
0b7936d5 2904
5990da81
YP		 2905 if ((g = getgrgid(rid)) != NULL)
2906 name = g->gr_name;
2907 }
9c5167d1 2908 } else if (zfs_prop_is_user(prop)) {
5990da81
YP		 2909 type = USTYPE_PSX_USR;
2910 if (!cb->cb_numname) {
2911 struct passwd *p;
0b7936d5 2912
5990da81
YP		 2913 if ((p = getpwuid(rid)) != NULL)
2914 name = p->pw_name;
2915 }
9c5167d1
NF		 2916 } else {
2917 type = USTYPE_PROJ;
5990da81 2918 }
0b7936d5
AS		 2919 }
2920
5990da81
YP		 2921 /*
2922 * Make sure that the type/name combination is unique when doing
2923 * SID to POSIX ID translation (hence changing the type from SMB to
2924 * POSIX).
2925 */
2926 if (cb->cb_sid2posix &&
2927 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
2928 nomem();
2929
2930 /* Calculate/update width of TYPE field */
2931 typestr = us_type2str(type);
2932 typelen = strlen(gettext(typestr));
2933 typeidx = us_field_index("type");
2934 if (typelen > cb->cb_width[typeidx])
2935 cb->cb_width[typeidx] = typelen;
0b7936d5
AS		 2936 if (nvlist_add_uint32(props, "type", type) != 0)
2937 nomem();
2938
5990da81
YP		 2939 /* Calculate/update width of NAME field */
2940 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
2941 if (nvlist_add_uint64(props, "name", rid) != 0)
0b7936d5 2942 nomem();
5990da81 2943 namelen = snprintf(NULL, 0, "%u", rid);
0b7936d5
AS		 2944 } else {
2945 if (nvlist_add_string(props, "name", name) != 0)
2946 nomem();
2947 namelen = strlen(name);
2948 }
5990da81 2949 nameidx = us_field_index("name");
81eb8a1f 2950 if (nameidx >= 0 && namelen > cb->cb_width[nameidx])
5990da81 2951 cb->cb_width[nameidx] = namelen;
0b7936d5 2952
5990da81
YP		 2953 /*
2954 * Check if this type/name combination is in the list and update it;
2955 * otherwise add new node to the list.
2956 */
2957 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
0b7936d5 2958 uu_avl_insert(avl, node, idx);
5990da81 2959 } else {
0b7936d5
AS		 2960 nvlist_free(props);
2961 free(node);
2962 node = n;
2963 props = node->usn_nvl;
9babb374 2964 }
9babb374 2965
5990da81 2966 /* Calculate/update width of USED/QUOTA fields */
e7fbeb60 2967 if (cb->cb_nicenum) {
2968 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
9c5167d1
NF		 2969 prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2970 prop == ZFS_PROP_PROJECTUSED ||
2971 prop == ZFS_PROP_PROJECTQUOTA) {
e7fbeb60 2972 zfs_nicebytes(space, sizebuf, sizeof (sizebuf));
2973 } else {
2974 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2975 }
2976 } else {
5990da81
YP		 2977 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
2978 (u_longlong_t)space);
e7fbeb60 2979 }
5990da81 2980 sizelen = strlen(sizebuf);
9c5167d1
NF		 2981 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
2982 prop == ZFS_PROP_PROJECTUSED) {
5990da81
YP		 2983 propname = "used";
2984 if (!nvlist_exists(props, "quota"))
2985 (void) nvlist_add_uint64(props, "quota", 0);
9c5167d1
NF		 2986 } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2987 prop == ZFS_PROP_PROJECTQUOTA) {
5990da81
YP		 2988 propname = "quota";
2989 if (!nvlist_exists(props, "used"))
2990 (void) nvlist_add_uint64(props, "used", 0);
1de321e6 2991 } else if (prop == ZFS_PROP_USEROBJUSED ||
9c5167d1 2992 prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) {
1de321e6
JX		 2993 propname = "objused";
2994 if (!nvlist_exists(props, "objquota"))
2995 (void) nvlist_add_uint64(props, "objquota", 0);
2996 } else if (prop == ZFS_PROP_USEROBJQUOTA ||
9c5167d1
NF		 2997 prop == ZFS_PROP_GROUPOBJQUOTA ||
2998 prop == ZFS_PROP_PROJECTOBJQUOTA) {
1de321e6
JX		 2999 propname = "objquota";
3000 if (!nvlist_exists(props, "objused"))
3001 (void) nvlist_add_uint64(props, "objused", 0);
3002 } else {
3003 return (-1);
5990da81
YP		 3004 }
3005 sizeidx = us_field_index(propname);
81eb8a1f 3006 if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx])
5990da81
YP		 3007 cb->cb_width[sizeidx] = sizelen;
3008
0b7936d5
AS		 3009 if (nvlist_add_uint64(props, propname, space) != 0)
3010 nomem();
3011
3012 return (0);
3013}
3014
0b7936d5 3015static void
5990da81
YP		 3016print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
3017 size_t *width, us_node_t *node)
0b7936d5
AS		 3018{
3019 nvlist_t *nvl = node->usn_nvl;
eca7b760 3020 char valstr[MAXNAMELEN];
0b7936d5 3021 boolean_t first = B_TRUE;
5990da81
YP		 3022 int cfield = 0;
3023 int field;
3024 uint32_t ustype;
3025
3026 /* Check type */
3027 (void) nvlist_lookup_uint32(nvl, "type", &ustype);
3028 if (!(ustype & types))
3029 return;
3030
3031 while ((field = fields[cfield]) != USFIELD_LAST) {
3032 nvpair_t *nvp = NULL;
3033 data_type_t type;
a926aab9
AZ		 3034 uint32_t val32 = -1;
3035 uint64_t val64 = -1;
3036 const char *strval = "-";
5990da81 3037
a926aab9 3038 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL)
5990da81
YP		 3039 if (strcmp(nvpair_name(nvp),
3040 us_field_names[field]) == 0)
0b7936d5 3041 break;
0b7936d5 3042
1de321e6 3043 type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp);
0b7936d5
AS		 3044 switch (type) {
3045 case DATA_TYPE_UINT32:
a926aab9 3046 val32 = fnvpair_value_uint32(nvp);
0b7936d5
AS		 3047 break;
3048 case DATA_TYPE_UINT64:
a926aab9 3049 val64 = fnvpair_value_uint64(nvp);
0b7936d5
AS		 3050 break;
3051 case DATA_TYPE_STRING:
a926aab9 3052 strval = fnvpair_value_string(nvp);
0b7936d5 3053 break;
1de321e6
JX		 3054 case DATA_TYPE_UNKNOWN:
3055 break;
0b7936d5 3056 default:
5990da81 3057 (void) fprintf(stderr, "invalid data type\n");
0b7936d5
AS		 3058 }
3059
3060 switch (field) {
3061 case USFIELD_TYPE:
1de321e6 3062 if (type == DATA_TYPE_UINT32)
a926aab9 3063 strval = us_type2str(val32);
0b7936d5
AS		 3064 break;
3065 case USFIELD_NAME:
3066 if (type == DATA_TYPE_UINT64) {
3067 (void) sprintf(valstr, "%llu",
02730c33 3068 (u_longlong_t)val64);
0b7936d5
AS		 3069 strval = valstr;
3070 }
0b7936d5
AS		 3071 break;
3072 case USFIELD_USED:
3073 case USFIELD_QUOTA:
e7fbeb60 3074 if (type == DATA_TYPE_UINT64) {
3075 if (parsable) {
3076 (void) sprintf(valstr, "%llu",
3077 (u_longlong_t)val64);
3078 strval = valstr;
3079 } else if (field == USFIELD_QUOTA &&
3080 val64 == 0) {
3081 strval = "none";
3082 } else {
3083 zfs_nicebytes(val64, valstr,
3084 sizeof (valstr));
3085 strval = valstr;
3086 }
3087 }
3088 break;
1de321e6
JX		 3089 case USFIELD_OBJUSED:
3090 case USFIELD_OBJQUOTA:
0b7936d5 3091 if (type == DATA_TYPE_UINT64) {
5990da81 3092 if (parsable) {
0b7936d5 3093 (void) sprintf(valstr, "%llu",
02730c33 3094 (u_longlong_t)val64);
e7fbeb60 3095 strval = valstr;
3096 } else if (field == USFIELD_OBJQUOTA &&
3097 val64 == 0) {
3098 strval = "none";
5990da81 3099 } else {
0b7936d5
AS		 3100 zfs_nicenum(val64, valstr,
3101 sizeof (valstr));
5990da81 3102 strval = valstr;
e7fbeb60 3103 }
0b7936d5 3104 }
0b7936d5
AS		 3105 break;
3106 }
3107
5990da81
YP		 3108 if (!first) {
3109 if (scripted)
a926aab9 3110 (void) putchar('\t');
0b7936d5 3111 else
a926aab9 3112 (void) fputs(" ", stdout);
0b7936d5 3113 }
5990da81 3114 if (scripted)
a926aab9 3115 (void) fputs(strval, stdout);
5990da81 3116 else if (field == USFIELD_TYPE || field == USFIELD_NAME)
02730c33 3117 (void) printf("%-*s", (int)width[field], strval);
5990da81 3118 else
02730c33 3119 (void) printf("%*s", (int)width[field], strval);
0b7936d5
AS		 3120
3121 first = B_FALSE;
5990da81 3122 cfield++;
0b7936d5
AS		 3123 }
3124
a926aab9 3125 (void) putchar('\n');
0b7936d5
AS		 3126}
3127
3128static void
5990da81
YP		 3129print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
3130 size_t *width, boolean_t rmnode, uu_avl_t *avl)
0b7936d5 3131{
0b7936d5
AS		 3132 us_node_t *node;
3133 const char *col;
5990da81
YP		 3134 int cfield = 0;
3135 int field;
0b7936d5
AS		 3136
3137 if (!scripted) {
3138 boolean_t first = B_TRUE;
5990da81
YP		 3139
3140 while ((field = fields[cfield]) != USFIELD_LAST) {
3141 col = gettext(us_field_hdr[field]);
3142 if (field == USFIELD_TYPE || field == USFIELD_NAME) {
3143 (void) printf(first ? "%-*s" : " %-*s",
02730c33 3144 (int)width[field], col);
5990da81
YP		 3145 } else {
3146 (void) printf(first ? "%*s" : " %*s",
02730c33 3147 (int)width[field], col);
5990da81 3148 }
0b7936d5 3149 first = B_FALSE;
5990da81 3150 cfield++;
0b7936d5
AS		 3151 }
3152 (void) printf("\n");
3153 }
3154
5990da81
YP		 3155 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
3156 print_us_node(scripted, parsable, fields, types, width, node);
0b7936d5
AS		 3157 if (rmnode)
3158 nvlist_free(node->usn_nvl);
3159 }
3160}
3161
9babb374
BB		 3162static int
3163zfs_do_userspace(int argc, char **argv)
3164{
3165 zfs_handle_t *zhp;
3166 zfs_userquota_prop_t p;
0b7936d5
AS		 3167 uu_avl_pool_t *avl_pool;
3168 uu_avl_t *avl_tree;
3169 uu_avl_walk_t *walk;
5990da81 3170 char *delim;
1de321e6 3171 char deffields[] = "type,name,used,quota,objused,objquota";
5990da81
YP		 3172 char *ofield = NULL;
3173 char *tfield = NULL;
3174 int cfield = 0;
3175 int fields[256];
3176 int i;
0b7936d5
AS		 3177 boolean_t scripted = B_FALSE;
3178 boolean_t prtnum = B_FALSE;
5990da81 3179 boolean_t parsable = B_FALSE;
0b7936d5 3180 boolean_t sid2posix = B_FALSE;
105afebb 3181 int ret = 0;
0b7936d5 3182 int c;
0b7936d5 3183 zfs_sort_column_t *sortcol = NULL;
5990da81 3184 int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
0b7936d5
AS		 3185 us_cbdata_t cb;
3186 us_node_t *node;
5990da81
YP		 3187 us_node_t *rmnode;
3188 uu_list_pool_t *listpool;
3189 uu_list_t *list;
3190 uu_avl_index_t idx = 0;
3191 uu_list_index_t idx2 = 0;
0b7936d5
AS		 3192
3193 if (argc < 2)
3194 usage(B_FALSE);
3195
9c5167d1 3196 if (strcmp(argv[0], "groupspace") == 0) {
5990da81 3197 /* Toggle default group types */
0b7936d5 3198 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
9c5167d1
NF		 3199 } else if (strcmp(argv[0], "projectspace") == 0) {
3200 types = USTYPE_PROJ;
3201 prtnum = B_TRUE;
3202 }
0b7936d5 3203
0b7936d5
AS		 3204 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
3205 switch (c) {
3206 case 'n':
9c5167d1
NF		 3207 if (types == USTYPE_PROJ) {
3208 (void) fprintf(stderr,
3209 gettext("invalid option 'n'\n"));
3210 usage(B_FALSE);
3211 }
0b7936d5
AS		 3212 prtnum = B_TRUE;
3213 break;
3214 case 'H':
3215 scripted = B_TRUE;
3216 break;
3217 case 'p':
5990da81 3218 parsable = B_TRUE;
0b7936d5
AS		 3219 break;
3220 case 'o':
5990da81 3221 ofield = optarg;
0b7936d5
AS		 3222 break;
3223 case 's':
0b7936d5
AS		 3224 case 'S':
3225 if (zfs_add_sort_column(&sortcol, optarg,
5990da81 3226 c == 's' ? B_FALSE : B_TRUE) != 0) {
0b7936d5 3227 (void) fprintf(stderr,
5990da81 3228 gettext("invalid field '%s'\n"), optarg);
0b7936d5
AS		 3229 usage(B_FALSE);
3230 }
3231 break;
3232 case 't':
9c5167d1
NF		 3233 if (types == USTYPE_PROJ) {
3234 (void) fprintf(stderr,
3235 gettext("invalid option 't'\n"));
3236 usage(B_FALSE);
3237 }
5990da81 3238 tfield = optarg;
0b7936d5
AS		 3239 break;
3240 case 'i':
9c5167d1
NF		 3241 if (types == USTYPE_PROJ) {
3242 (void) fprintf(stderr,
3243 gettext("invalid option 'i'\n"));
3244 usage(B_FALSE);
3245 }
0b7936d5
AS		 3246 sid2posix = B_TRUE;
3247 break;
3248 case ':':
3249 (void) fprintf(stderr, gettext("missing argument for "
3250 "'%c' option\n"), optopt);
3251 usage(B_FALSE);
3252 break;
3253 case '?':
3254 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3255 optopt);
3256 usage(B_FALSE);
3257 }
3258 }
3259
3260 argc -= optind;
3261 argv += optind;
3262
5990da81
YP		 3263 if (argc < 1) {
3264 (void) fprintf(stderr, gettext("missing dataset name\n"));
3265 usage(B_FALSE);
3266 }
3267 if (argc > 1) {
3268 (void) fprintf(stderr, gettext("too many arguments\n"));
3269 usage(B_FALSE);
0b7936d5
AS		 3270 }
3271
5990da81
YP		 3272 /* Use default output fields if not specified using -o */
3273 if (ofield == NULL)
3274 ofield = deffields;
3275 do {
3276 if ((delim = strchr(ofield, ',')) != NULL)
3277 *delim = '\0';
3278 if ((fields[cfield++] = us_field_index(ofield)) == -1) {
3279 (void) fprintf(stderr, gettext("invalid type '%s' "
3280 "for -o option\n"), ofield);
3281 return (-1);
3282 }
3283 if (delim != NULL)
3284 ofield = delim + 1;
3285 } while (delim != NULL);
3286 fields[cfield] = USFIELD_LAST;
3287
3288 /* Override output types (-t option) */
3289 if (tfield != NULL) {
3290 types = 0;
3291
3292 do {
3293 boolean_t found = B_FALSE;
3294
3295 if ((delim = strchr(tfield, ',')) != NULL)
3296 *delim = '\0';
3297 for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
3298 i++) {
3299 if (strcmp(tfield, us_type_names[i]) == 0) {
3300 found = B_TRUE;
3301 types |= us_type_bits[i];
3302 break;
3303 }
3304 }
3305 if (!found) {
3306 (void) fprintf(stderr, gettext("invalid type "
3307 "'%s' for -t option\n"), tfield);
3308 return (-1);
3309 }
3310 if (delim != NULL)
3311 tfield = delim + 1;
3312 } while (delim != NULL);
3313 }
9babb374 3314
cf266775 3315 if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
7646af20 3316 ZFS_TYPE_SNAPSHOT)) == NULL)
9babb374 3317 return (1);
757df529 3318 if (zfs_get_underlying_type(zhp) != ZFS_TYPE_FILESYSTEM) {
7646af20 3319 (void) fprintf(stderr, gettext("operation is only applicable "
3320 "to filesystems and their snapshots\n"));
3321 zfs_close(zhp);
3322 return (1);
3323 }
9babb374 3324
0b7936d5 3325 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
5990da81 3326 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
0b7936d5
AS		 3327 nomem();
3328 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
3329 nomem();
3330
5990da81
YP		 3331 /* Always add default sorting columns */
3332 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
3333 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
3334
3335 cb.cb_sortcol = sortcol;
0b7936d5 3336 cb.cb_numname = prtnum;
5990da81 3337 cb.cb_nicenum = !parsable;
0b7936d5
AS		 3338 cb.cb_avl_pool = avl_pool;
3339 cb.cb_avl = avl_tree;
3340 cb.cb_sid2posix = sid2posix;
5990da81
YP		 3341
3342 for (i = 0; i < USFIELD_LAST; i++)
3343 cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
9babb374
BB		 3344
3345 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
1de321e6 3346 if ((zfs_prop_is_user(p) &&
5990da81 3347 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
1de321e6 3348 (zfs_prop_is_group(p) &&
9c5167d1
NF		 3349 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) ||
3350 (zfs_prop_is_project(p) && types != USTYPE_PROJ))
0b7936d5 3351 continue;
1de321e6 3352
0b7936d5 3353 cb.cb_prop = p;
7646af20 3354 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) {
3355 zfs_close(zhp);
105afebb 3356 return (ret);
7646af20 3357 }
9babb374 3358 }
7646af20 3359 zfs_close(zhp);
0b7936d5 3360
5990da81 3361 /* Sort the list */
105afebb
YP		 3362 if ((node = uu_avl_first(avl_tree)) == NULL)
3363 return (0);
3364
5990da81 3365 us_populated = B_TRUE;
105afebb 3366
5990da81
YP		 3367 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
3368 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
3369 list = uu_list_create(listpool, NULL, UU_DEFAULT);
5990da81 3370 uu_list_node_init(node, &node->usn_listnode, listpool);
0b7936d5 3371
5990da81
YP		 3372 while (node != NULL) {
3373 rmnode = node;
3374 node = uu_avl_next(avl_tree, node);
3375 uu_avl_remove(avl_tree, rmnode);
3376 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
3377 uu_list_insert(list, rmnode, idx2);
3378 }
0b7936d5 3379
5990da81
YP		 3380 for (node = uu_list_first(list); node != NULL;
3381 node = uu_list_next(list, node)) {
3382 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
3383
3384 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
3385 uu_avl_insert(avl_tree, node, idx);
0b7936d5
AS		 3386 }
3387
5990da81
YP		 3388 uu_list_destroy(list);
3389 uu_list_pool_destroy(listpool);
0b7936d5 3390
5990da81
YP		 3391 /* Print and free node nvlist memory */
3392 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
3393 cb.cb_avl);
0b7936d5 3394
5990da81
YP		 3395 zfs_free_sort_columns(sortcol);
3396
3397 /* Clean up the AVL tree */
0b7936d5
AS		 3398 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
3399 nomem();
3400
3401 while ((node = uu_avl_walk_next(walk)) != NULL) {
3402 uu_avl_remove(cb.cb_avl, node);
3403 free(node);
3404 }
3405
3406 uu_avl_walk_end(walk);
3407 uu_avl_destroy(avl_tree);
3408 uu_avl_pool_destroy(avl_pool);
3409
105afebb 3410 return (ret);
9babb374
BB		 3411}
3412
3413/*
54d5378f
YP		 3414 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
3415 * [-t type[,...]] [filesystem|volume|snapshot] ...
34dc7c2f 3416 *
54d5378f
YP		 3417 * -H Scripted mode; elide headers and separate columns by tabs
3418 * -p Display values in parsable (literal) format.
428870ff
BB		 3419 * -r Recurse over all children
3420 * -d Limit recursion by depth.
428870ff 3421 * -o Control which fields to display.
34dc7c2f
BB		 3422 * -s Specify sort columns, descending order.
3423 * -S Specify sort columns, ascending order.
54d5378f 3424 * -t Control which object types to display.
34dc7c2f 3425 *
54d5378f 3426 * When given no arguments, list all filesystems in the system.
34dc7c2f
BB		 3427 * Otherwise, list the specified datasets, optionally recursing down them if
3428 * '-r' is specified.
3429 */
3430typedef struct list_cbdata {
3431 boolean_t cb_first;
54d5378f 3432 boolean_t cb_literal;
34dc7c2f
BB		 3433 boolean_t cb_scripted;
3434 zprop_list_t *cb_proplist;
3435} list_cbdata_t;
3436
3437/*
3438 * Given a list of columns to display, output appropriate headers for each one.
3439 */
3440static void
54d5378f 3441print_header(list_cbdata_t *cb)
34dc7c2f 3442{
54d5378f 3443 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3444 char headerbuf[ZFS_MAXPROPLEN];
3445 const char *header;
3446 int i;
3447 boolean_t first = B_TRUE;
3448 boolean_t right_justify;
3449
2bd0490f
TR		 3450 color_start(ANSI_BOLD);
3451
34dc7c2f
BB		 3452 for (; pl != NULL; pl = pl->pl_next) {
3453 if (!first) {
3454 (void) printf(" ");
3455 } else {
3456 first = B_FALSE;
3457 }
3458
3459 right_justify = B_FALSE;
4ff7a8fa 3460 if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f
BB		 3461 header = zfs_prop_column_name(pl->pl_prop);
3462 right_justify = zfs_prop_align_right(pl->pl_prop);
3463 } else {
3464 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
3465 headerbuf[i] = toupper(pl->pl_user_prop[i]);
3466 headerbuf[i] = '\0';
3467 header = headerbuf;
3468 }
3469
3470 if (pl->pl_next == NULL && !right_justify)
3471 (void) printf("%s", header);
3472 else if (right_justify)
b8864a23 3473 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 3474 else
b8864a23 3475 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 3476 }
3477
2bd0490f
TR		 3478 color_end();
3479
34dc7c2f
BB		 3480 (void) printf("\n");
3481}
3482
2bd0490f
TR		 3483/*
3484 * Decides on the color that the avail value should be printed in.
3485 * > 80% used = yellow
3486 * > 90% used = red
3487 */
3488static const char *
3489zfs_list_avail_color(zfs_handle_t *zhp)
3490{
3491 uint64_t used = zfs_prop_get_int(zhp, ZFS_PROP_USED);
3492 uint64_t avail = zfs_prop_get_int(zhp, ZFS_PROP_AVAILABLE);
3493 int percentage = (int)((double)avail / MAX(avail + used, 1) * 100);
3494
3495 if (percentage > 20)
3496 return (NULL);
3497 else if (percentage > 10)
3498 return (ANSI_YELLOW);
3499 else
3500 return (ANSI_RED);
3501}
3502
34dc7c2f
BB		 3503/*
3504 * Given a dataset and a list of fields, print out all the properties according
3505 * to the described layout.
3506 */
3507static void
54d5378f 3508print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
34dc7c2f 3509{
54d5378f 3510 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3511 boolean_t first = B_TRUE;
3512 char property[ZFS_MAXPROPLEN];
3513 nvlist_t *userprops = zfs_get_user_props(zhp);
3514 nvlist_t *propval;
a926aab9 3515 const char *propstr;
34dc7c2f 3516 boolean_t right_justify;
34dc7c2f
BB		 3517
3518 for (; pl != NULL; pl = pl->pl_next) {
3519 if (!first) {
54d5378f 3520 if (cb->cb_scripted)
a926aab9 3521 (void) putchar('\t');
34dc7c2f 3522 else
a926aab9 3523 (void) fputs(" ", stdout);
34dc7c2f
BB		 3524 } else {
3525 first = B_FALSE;
3526 }
3527
0cee2406
PJD		 3528 if (pl->pl_prop == ZFS_PROP_NAME) {
3529 (void) strlcpy(property, zfs_get_name(zhp),
d1d7e268 3530 sizeof (property));
0cee2406
PJD		 3531 propstr = property;
3532 right_justify = zfs_prop_align_right(pl->pl_prop);
4ff7a8fa 3533 } else if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f 3534 if (zfs_prop_get(zhp, pl->pl_prop, property,
54d5378f 3535 sizeof (property), NULL, NULL, 0,
d1d7e268 3536 cb->cb_literal) != 0)
34dc7c2f
BB		 3537 propstr = "-";
3538 else
3539 propstr = property;
34dc7c2f 3540 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 3541 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
3542 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
54d5378f 3543 property, sizeof (property), cb->cb_literal) != 0)
9babb374
BB		 3544 propstr = "-";
3545 else
3546 propstr = property;
3547 right_justify = B_TRUE;
330d06f9
MA		 3548 } else if (zfs_prop_written(pl->pl_user_prop)) {
3549 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
54d5378f 3550 property, sizeof (property), cb->cb_literal) != 0)
330d06f9
MA		 3551 propstr = "-";
3552 else
3553 propstr = property;
3554 right_justify = B_TRUE;
34dc7c2f
BB		 3555 } else {
3556 if (nvlist_lookup_nvlist(userprops,
3557 pl->pl_user_prop, &propval) != 0)
3558 propstr = "-";
3559 else
a926aab9
AZ		 3560 propstr = fnvlist_lookup_string(propval,
3561 ZPROP_VALUE);
9babb374 3562 right_justify = B_FALSE;
34dc7c2f
BB		 3563 }
3564
6ecdd35b
TR		 3565 /*
3566 * zfs_list_avail_color() needs ZFS_PROP_AVAILABLE + USED
3567 * - so we need another for() search for the USED part
3568 * - when no colors wanted, we can skip the whole thing
3569 */
3570 if (use_color() && pl->pl_prop == ZFS_PROP_AVAILABLE) {
3571 zprop_list_t *pl2 = cb->cb_proplist;
3572 for (; pl2 != NULL; pl2 = pl2->pl_next) {
3573 if (pl2->pl_prop == ZFS_PROP_USED) {
3574 color_start(zfs_list_avail_color(zhp));
3575 /* found it, no need for more loops */
3576 break;
3577 }
3578 }
3579 }
2bd0490f 3580
34dc7c2f
BB		 3581 /*
3582 * If this is being called in scripted mode, or if this is the
3583 * last column and it is left-justified, don't include a width
3584 * format specifier.
3585 */
54d5378f 3586 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
a926aab9 3587 (void) fputs(propstr, stdout);
34dc7c2f 3588 else if (right_justify)
54d5378f 3589 (void) printf("%*s", (int)pl->pl_width, propstr);
34dc7c2f 3590 else
54d5378f 3591 (void) printf("%-*s", (int)pl->pl_width, propstr);
2bd0490f
TR		 3592
3593 if (pl->pl_prop == ZFS_PROP_AVAILABLE)
3594 color_end();
34dc7c2f
BB		 3595 }
3596
a926aab9 3597 (void) putchar('\n');
34dc7c2f
BB		 3598}
3599
3600/*
3601 * Generic callback function to list a dataset or snapshot.
3602 */
3603static int
3604list_callback(zfs_handle_t *zhp, void *data)
3605{
3606 list_cbdata_t *cbp = data;
3607
3608 if (cbp->cb_first) {
3609 if (!cbp->cb_scripted)
54d5378f 3610 print_header(cbp);
34dc7c2f
BB		 3611 cbp->cb_first = B_FALSE;
3612 }
3613
54d5378f 3614 print_dataset(zhp, cbp);
34dc7c2f
BB		 3615
3616 return (0);
3617}
3618
3619static int
3620zfs_do_list(int argc, char **argv)
3621{
3622 int c;
40f09cb0 3623 char default_fields[] =
34dc7c2f 3624 "name,used,available,referenced,mountpoint";
d164b209 3625 int types = ZFS_TYPE_DATASET;
b128c09f 3626 boolean_t types_specified = B_FALSE;
40f09cb0 3627 char *fields = default_fields;
34dc7c2f 3628 list_cbdata_t cb = { 0 };
9babb374 3629 int limit = 0;
ad60af8e 3630 int ret = 0;
34dc7c2f 3631 zfs_sort_column_t *sortcol = NULL;
b128c09f 3632 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 3633
3634 /* check options */
54d5378f 3635 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
34dc7c2f
BB		 3636 switch (c) {
3637 case 'o':
3638 fields = optarg;
3639 break;
54d5378f
YP		 3640 case 'p':
3641 cb.cb_literal = B_TRUE;
3642 flags |= ZFS_ITER_LITERAL_PROPS;
3643 break;
9babb374
BB		 3644 case 'd':
3645 limit = parse_depth(optarg, &flags);
3646 break;
34dc7c2f 3647 case 'r':
b128c09f 3648 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 3649 break;
3650 case 'H':
54d5378f 3651 cb.cb_scripted = B_TRUE;
34dc7c2f
BB		 3652 break;
3653 case 's':
3654 if (zfs_add_sort_column(&sortcol, optarg,
3655 B_FALSE) != 0) {
3656 (void) fprintf(stderr,
3657 gettext("invalid property '%s'\n"), optarg);
3658 usage(B_FALSE);
3659 }
3660 break;
3661 case 'S':
3662 if (zfs_add_sort_column(&sortcol, optarg,
3663 B_TRUE) != 0) {
3664 (void) fprintf(stderr,
3665 gettext("invalid property '%s'\n"), optarg);
3666 usage(B_FALSE);
3667 }
3668 break;
3669 case 't':
3670 types = 0;
b128c09f
BB		 3671 types_specified = B_TRUE;
3672 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
40f09cb0
AZ		 3673
3674 for (char *tok; (tok = strsep(&optarg, ",")); ) {
3675 static const char *const type_subopts[] = {
a5a72544
RN		 3676 "filesystem",
3677 "fs",
3678 "volume",
3679 "vol",
3680 "snapshot",
3681 "snap",
40f09cb0 3682 "bookmark",
a5a72544
RN		 3683 "all"
3684 };
40f09cb0 3685 static const int type_types[] = {
a5a72544
RN		 3686 ZFS_TYPE_FILESYSTEM,
3687 ZFS_TYPE_FILESYSTEM,
3688 ZFS_TYPE_VOLUME,
3689 ZFS_TYPE_VOLUME,
3690 ZFS_TYPE_SNAPSHOT,
3691 ZFS_TYPE_SNAPSHOT,
40f09cb0 3692 ZFS_TYPE_BOOKMARK,
a5a72544
RN		 3693 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK
3694 };
40f09cb0
AZ		 3695
3696 for (c = 0; c < ARRAY_SIZE(type_subopts); ++c)
3697 if (strcmp(tok, type_subopts[c]) == 0) {
3698 types |= type_types[c];
3699 goto found3;
3700 }
3701
3702 (void) fprintf(stderr,
3703 gettext("invalid type '%s'\n"), tok);
3704 usage(B_FALSE);
3705found3:;
34dc7c2f
BB		 3706 }
3707 break;
3708 case ':':
3709 (void) fprintf(stderr, gettext("missing argument for "
3710 "'%c' option\n"), optopt);
3711 usage(B_FALSE);
3712 break;
3713 case '?':
3714 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3715 optopt);
3716 usage(B_FALSE);
3717 }
3718 }
3719
3720 argc -= optind;
3721 argv += optind;
3722
b128c09f
BB		 3723 /*
3724 * If "-o space" and no types were specified, don't display snapshots.
3725 */
3726 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
3727 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f 3728
df583073 3729 /*
8221bcf1
I		 3730 * Handle users who want to list all snapshots or bookmarks
3731 * of the current dataset (ex. 'zfs list -t snapshot <dataset>').
df583073 3732 */
8221bcf1
I		 3733 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
3734 argc > 0 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 3735 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
3736 limit = 1;
3737 }
3738
34dc7c2f
BB		 3739 /*
3740 * If the user specifies '-o all', the zprop_get_list() doesn't
3741 * normally include the name of the dataset. For 'zfs list', we always
3742 * want this property to be first.
3743 */
3744 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
3745 != 0)
3746 usage(B_FALSE);
3747
34dc7c2f
BB		 3748 cb.cb_first = B_TRUE;
3749
dc95911d
AJ		 3750 /*
3751 * If we are only going to list and sort by properties that are "fast"
3752 * then we can use "simple" mode and avoid populating the properties
3753 * nvlist.
3754 */
3755 if (zfs_list_only_by_fast(cb.cb_proplist) &&
3756 zfs_sort_only_by_fast(sortcol))
3757 flags |= ZFS_ITER_SIMPLE;
3758
b128c09f 3759 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 3760 limit, list_callback, &cb);
34dc7c2f
BB		 3761
3762 zprop_free_list(cb.cb_proplist);
3763 zfs_free_sort_columns(sortcol);
3764
3765 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
42cb3819 3766 (void) fprintf(stderr, gettext("no datasets available\n"));
34dc7c2f
BB		 3767
3768 return (ret);
3769}
3770
3771/*
7b4e2723 3772 * zfs rename [-fu] <fs | snap | vol> <fs | snap | vol>
db49968e 3773 * zfs rename [-f] -p <fs | vol> <fs | vol>
7b4e2723 3774 * zfs rename [-u] -r <snap> <snap>
34dc7c2f
BB		 3775 *
3776 * Renames the given dataset to another of the same type.
3777 *
3778 * The '-p' flag creates all the non-existing ancestors of the target first.
7b4e2723 3779 * The '-u' flag prevents file systems from being remounted during rename.
34dc7c2f 3780 */
34dc7c2f
BB		 3781static int
3782zfs_do_rename(int argc, char **argv)
3783{
3784 zfs_handle_t *zhp;
7b4e2723 3785 renameflags_t flags = { 0 };
34dc7c2f 3786 int c;
ad60af8e 3787 int ret = 0;
7b4e2723 3788 int types;
34dc7c2f
BB		 3789 boolean_t parents = B_FALSE;
3790
3791 /* check options */
7b4e2723 3792 while ((c = getopt(argc, argv, "pruf")) != -1) {
34dc7c2f
BB		 3793 switch (c) {
3794 case 'p':
3795 parents = B_TRUE;
3796 break;
3797 case 'r':
7b4e2723
RM		 3798 flags.recursive = B_TRUE;
3799 break;
3800 case 'u':
3801 flags.nounmount = B_TRUE;
34dc7c2f 3802 break;
db49968e 3803 case 'f':
7b4e2723 3804 flags.forceunmount = B_TRUE;
db49968e 3805 break;
34dc7c2f
BB		 3806 case '?':
3807 default:
3808 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3809 optopt);
3810 usage(B_FALSE);
3811 }
3812 }
3813
3814 argc -= optind;
3815 argv += optind;
3816
3817 /* check number of arguments */
3818 if (argc < 1) {
3819 (void) fprintf(stderr, gettext("missing source dataset "
3820 "argument\n"));
3821 usage(B_FALSE);
3822 }
3823 if (argc < 2) {
3824 (void) fprintf(stderr, gettext("missing target dataset "
3825 "argument\n"));
3826 usage(B_FALSE);
3827 }
3828 if (argc > 2) {
3829 (void) fprintf(stderr, gettext("too many arguments\n"));
3830 usage(B_FALSE);
3831 }
3832
7b4e2723 3833 if (flags.recursive && parents) {
34dc7c2f
BB		 3834 (void) fprintf(stderr, gettext("-p and -r options are mutually "
3835 "exclusive\n"));
3836 usage(B_FALSE);
3837 }
3838
7b4e2723
RM		 3839 if (flags.nounmount && parents) {
3840 (void) fprintf(stderr, gettext("-u and -p options are mutually "
3841 "exclusive\n"));
3842 usage(B_FALSE);
3843 }
3844
3845 if (flags.recursive && strchr(argv[0], '@') == 0) {
34dc7c2f
BB		 3846 (void) fprintf(stderr, gettext("source dataset for recursive "
3847 "rename must be a snapshot\n"));
3848 usage(B_FALSE);
3849 }
3850
7b4e2723
RM		 3851 if (flags.nounmount)
3852 types = ZFS_TYPE_FILESYSTEM;
3853 else if (parents)
3854 types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
3855 else
3856 types = ZFS_TYPE_DATASET;
3857
3858 if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
34dc7c2f
BB		 3859 return (1);
3860
3861 /* If we were asked and the name looks good, try to create ancestors. */
3862 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
3863 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
3864 zfs_close(zhp);
3865 return (1);
3866 }
3867
7b4e2723 3868 ret = (zfs_rename(zhp, argv[1], flags) != 0);
34dc7c2f
BB		 3869
3870 zfs_close(zhp);
3871 return (ret);
3872}
3873
3874/*
3875 * zfs promote <fs>
3876 *
3877 * Promotes the given clone fs to be the parent
3878 */
34dc7c2f
BB		 3879static int
3880zfs_do_promote(int argc, char **argv)
3881{
3882 zfs_handle_t *zhp;
ad60af8e 3883 int ret = 0;
34dc7c2f
BB		 3884
3885 /* check options */
3886 if (argc > 1 && argv[1][0] == '-') {
3887 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3888 argv[1][1]);
3889 usage(B_FALSE);
3890 }
3891
3892 /* check number of arguments */
3893 if (argc < 2) {
3894 (void) fprintf(stderr, gettext("missing clone filesystem"
3895 " argument\n"));
3896 usage(B_FALSE);
3897 }
3898 if (argc > 2) {
3899 (void) fprintf(stderr, gettext("too many arguments\n"));
3900 usage(B_FALSE);
3901 }
3902
3903 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3904 if (zhp == NULL)
3905 return (1);
3906
3907 ret = (zfs_promote(zhp) != 0);
3908
3909
3910 zfs_close(zhp);
3911 return (ret);
3912}
3913
30af21b0
PD		 3914static int
3915zfs_do_redact(int argc, char **argv)
3916{
3917 char *snap = NULL;
3918 char *bookname = NULL;
3919 char **rsnaps = NULL;
3920 int numrsnaps = 0;
3921 argv++;
3922 argc--;
3923 if (argc < 3) {
3b5fe2c3 3924 (void) fprintf(stderr, gettext("too few arguments\n"));
30af21b0
PD		 3925 usage(B_FALSE);
3926 }
3927
3928 snap = argv[0];
3929 bookname = argv[1];
3930 rsnaps = argv + 2;
3931 numrsnaps = argc - 2;
3932
3933 nvlist_t *rsnapnv = fnvlist_alloc();
3934
3935 for (int i = 0; i < numrsnaps; i++) {
3936 fnvlist_add_boolean(rsnapnv, rsnaps[i]);
3937 }
3938
3939 int err = lzc_redact(snap, bookname, rsnapnv);
3940 fnvlist_free(rsnapnv);
3941
3942 switch (err) {
3943 case 0:
3944 break;
d9e64a40
PD		 3945 case ENOENT: {
3946 zfs_handle_t *zhp = zfs_open(g_zfs, snap, ZFS_TYPE_SNAPSHOT);
3947 if (zhp == NULL) {
3948 (void) fprintf(stderr, gettext("provided snapshot %s "
3949 "does not exist\n"), snap);
3950 } else {
3951 zfs_close(zhp);
3952 }
3953 for (int i = 0; i < numrsnaps; i++) {
3954 zhp = zfs_open(g_zfs, rsnaps[i], ZFS_TYPE_SNAPSHOT);
3955 if (zhp == NULL) {
3956 (void) fprintf(stderr, gettext("provided "
3957 "snapshot %s does not exist\n"), rsnaps[i]);
3958 } else {
3959 zfs_close(zhp);
3960 }
3961 }
30af21b0 3962 break;
d9e64a40 3963 }
30af21b0
PD		 3964 case EEXIST:
3965 (void) fprintf(stderr, gettext("specified redaction bookmark "
3b5fe2c3 3966 "(%s) provided already exists\n"), bookname);
30af21b0
PD		 3967 break;
3968 case ENAMETOOLONG:
3969 (void) fprintf(stderr, gettext("provided bookmark name cannot "
3b5fe2c3 3970 "be used, final name would be too long\n"));
30af21b0
PD		 3971 break;
3972 case E2BIG:
3973 (void) fprintf(stderr, gettext("too many redaction snapshots "
3b5fe2c3 3974 "specified\n"));
30af21b0
PD		 3975 break;
3976 case EINVAL:
f658f61c
CS		 3977 if (strchr(bookname, '#') != NULL)
3978 (void) fprintf(stderr, gettext(
3979 "redaction bookmark name must not contain '#'\n"));
3980 else
3981 (void) fprintf(stderr, gettext(
3982 "redaction snapshot must be descendent of "
3983 "snapshot being redacted\n"));
30af21b0
PD		 3984 break;
3985 case EALREADY:
3986 (void) fprintf(stderr, gettext("attempted to redact redacted "
3b5fe2c3 3987 "dataset or with respect to redacted dataset\n"));
30af21b0
PD		 3988 break;
3989 case ENOTSUP:
3990 (void) fprintf(stderr, gettext("redaction bookmarks feature "
3b5fe2c3 3991 "not enabled\n"));
30af21b0 3992 break;
f658f61c
CS		 3993 case EXDEV:
3994 (void) fprintf(stderr, gettext("potentially invalid redaction "
3995 "snapshot; full dataset names required\n"));
3996 break;
bee9cfb8
PD		 3997 case ESRCH:
3998 (void) fprintf(stderr, gettext("attempted to resume redaction "
3999 " with a mismatched redaction list\n"));
4000 break;
30af21b0 4001 default:
3b5fe2c3 4002 (void) fprintf(stderr, gettext("internal error: %s\n"),
30af21b0
PD		 4003 strerror(errno));
4004 }
4005
4006 return (err);
4007}
4008
34dc7c2f
BB		 4009/*
4010 * zfs rollback [-rRf] <snapshot>
4011 *
428870ff
BB		 4012 * -r Delete any intervening snapshots before doing rollback
4013 * -R Delete any snapshots and their clones
4e33ba4c 4014 * -f ignored for backwards compatibility
34dc7c2f
BB		 4015 *
4016 * Given a filesystem, rollback to a specific snapshot, discarding any changes
4017 * since then and making it the active dataset. If more recent snapshots exist,
4018 * the command will complain unless the '-r' flag is given.
4019 */
4020typedef struct rollback_cbdata {
4021 uint64_t cb_create;
4c0883fb 4022 uint8_t cb_younger_ds_printed;
34dc7c2f
BB		 4023 boolean_t cb_first;
4024 int cb_doclones;
4025 char *cb_target;
4026 int cb_error;
4027 boolean_t cb_recurse;
34dc7c2f
BB		 4028} rollback_cbdata_t;
4029
da536844
MA		 4030static int
4031rollback_check_dependent(zfs_handle_t *zhp, void *data)
4032{
4033 rollback_cbdata_t *cbp = data;
4034
4035 if (cbp->cb_first && cbp->cb_recurse) {
4036 (void) fprintf(stderr, gettext("cannot rollback to "
4037 "'%s': clones of previous snapshots exist\n"),
4038 cbp->cb_target);
4039 (void) fprintf(stderr, gettext("use '-R' to "
4040 "force deletion of the following clones and "
4041 "dependents:\n"));
4042 cbp->cb_first = 0;
4043 cbp->cb_error = 1;
4044 }
4045
4046 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
4047
4048 zfs_close(zhp);
4049 return (0);
4050}
9b67f605
MA		 4051
4052
34dc7c2f 4053/*
4c0883fb
AP		 4054 * Report some snapshots/bookmarks more recent than the one specified.
4055 * Used when '-r' is not specified. We reuse this same callback for the
4056 * snapshot dependents - if 'cb_dependent' is set, then this is a
4057 * dependent and we should report it without checking the transaction group.
34dc7c2f
BB		 4058 */
4059static int
4060rollback_check(zfs_handle_t *zhp, void *data)
4061{
4062 rollback_cbdata_t *cbp = data;
4c0883fb
AP		 4063 /*
4064 * Max number of younger snapshots and/or bookmarks to display before
4065 * we stop the iteration.
4066 */
4067 const uint8_t max_younger = 32;
34dc7c2f
BB		 4068
4069 if (cbp->cb_doclones) {
4070 zfs_close(zhp);
4071 return (0);
4072 }
4073
da536844
MA		 4074 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) {
4075 if (cbp->cb_first && !cbp->cb_recurse) {
4076 (void) fprintf(stderr, gettext("cannot "
4077 "rollback to '%s': more recent snapshots "
4078 "or bookmarks exist\n"),
34dc7c2f 4079 cbp->cb_target);
da536844
MA		 4080 (void) fprintf(stderr, gettext("use '-r' to "
4081 "force deletion of the following "
4082 "snapshots and bookmarks:\n"));
34dc7c2f
BB		 4083 cbp->cb_first = 0;
4084 cbp->cb_error = 1;
4085 }
4086
da536844 4087 if (cbp->cb_recurse) {
baca06c2 4088 if (zfs_iter_dependents_v2(zhp, 0, B_TRUE,
da536844
MA		 4089 rollback_check_dependent, cbp) != 0) {
4090 zfs_close(zhp);
4091 return (-1);
4092 }
4093 } else {
4094 (void) fprintf(stderr, "%s\n",
4095 zfs_get_name(zhp));
4c0883fb 4096 cbp->cb_younger_ds_printed++;
da536844 4097 }
34dc7c2f 4098 }
34dc7c2f 4099 zfs_close(zhp);
4c0883fb
AP		 4100
4101 if (cbp->cb_younger_ds_printed == max_younger) {
4102 /*
4103 * This non-recursive rollback is going to fail due to the
4104 * presence of snapshots and/or bookmarks that are younger than
4105 * the rollback target.
4106 * We printed some of the offending objects, now we stop
4107 * zfs_iter_snapshot/bookmark iteration so we can fail fast and
4108 * avoid iterating over the rest of the younger objects
4109 */
4110 (void) fprintf(stderr, gettext("Output limited to %d "
4111 "snapshots/bookmarks\n"), max_younger);
4112 return (-1);
4113 }
34dc7c2f
BB		 4114 return (0);
4115}
4116
4117static int
4118zfs_do_rollback(int argc, char **argv)
4119{
ad60af8e 4120 int ret = 0;
34dc7c2f
BB		 4121 int c;
4122 boolean_t force = B_FALSE;
4123 rollback_cbdata_t cb = { 0 };
4124 zfs_handle_t *zhp, *snap;
eca7b760 4125 char parentname[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 4126 char *delim;
4c0883fb 4127 uint64_t min_txg = 0;
34dc7c2f
BB		 4128
4129 /* check options */
4130 while ((c = getopt(argc, argv, "rRf")) != -1) {
4131 switch (c) {
4132 case 'r':
4133 cb.cb_recurse = 1;
4134 break;
4135 case 'R':
4136 cb.cb_recurse = 1;
4137 cb.cb_doclones = 1;
4138 break;
4139 case 'f':
4140 force = B_TRUE;
4141 break;
4142 case '?':
4143 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4144 optopt);
4145 usage(B_FALSE);
4146 }
4147 }
4148
4149 argc -= optind;
4150 argv += optind;
4151
4152 /* check number of arguments */
4153 if (argc < 1) {
4154 (void) fprintf(stderr, gettext("missing dataset argument\n"));
4155 usage(B_FALSE);
4156 }
4157 if (argc > 1) {
4158 (void) fprintf(stderr, gettext("too many arguments\n"));
4159 usage(B_FALSE);
4160 }
4161
4162 /* open the snapshot */
4163 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
4164 return (1);
4165
4166 /* open the parent dataset */
4167 (void) strlcpy(parentname, argv[0], sizeof (parentname));
4168 verify((delim = strrchr(parentname, '@')) != NULL);
4169 *delim = '\0';
4170 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
4171 zfs_close(snap);
4172 return (1);
4173 }
4174
4175 /*
4176 * Check for more recent snapshots and/or clones based on the presence
4177 * of '-r' and '-R'.
4178 */
4179 cb.cb_target = argv[0];
4180 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
4181 cb.cb_first = B_TRUE;
4182 cb.cb_error = 0;
4c0883fb
AP		 4183
4184 if (cb.cb_create > 0)
4185 min_txg = cb.cb_create;
4186
baca06c2 4187 if ((ret = zfs_iter_snapshots_v2(zhp, 0, rollback_check, &cb,
4c0883fb 4188 min_txg, 0)) != 0)
da536844 4189 goto out;
baca06c2 4190 if ((ret = zfs_iter_bookmarks_v2(zhp, 0, rollback_check, &cb)) != 0)
34dc7c2f
BB		 4191 goto out;
4192
4193 if ((ret = cb.cb_error) != 0)
4194 goto out;
4195
4196 /*
4197 * Rollback parent to the given snapshot.
4198 */
4199 ret = zfs_rollback(zhp, snap, force);
4200
4201out:
4202 zfs_close(snap);
4203 zfs_close(zhp);
4204
4205 if (ret == 0)
4206 return (0);
4207 else
4208 return (1);
4209}
4210
4211/*
23de906c 4212 * zfs set property=value ... { fs | snap | vol } ...
34dc7c2f 4213 *
23de906c 4214 * Sets the given properties for all datasets specified on the command line.
34dc7c2f 4215 */
34dc7c2f
BB		 4216
4217static int
4218set_callback(zfs_handle_t *zhp, void *data)
4219{
4e16964e
US		 4220 zprop_set_cbdata_t *cb = data;
4221 int ret = zfs_prop_set_list_flags(zhp, cb->cb_proplist, cb->cb_flags);
34dc7c2f 4222
bbac1d29 4223 if (ret != 0 || libzfs_errno(g_zfs) != EZFS_SUCCESS) {
34dc7c2f
BB		 4224 switch (libzfs_errno(g_zfs)) {
4225 case EZFS_MOUNTFAILED:
4226 (void) fprintf(stderr, gettext("property may be set "
4227 "but unable to remount filesystem\n"));
4228 break;
4229 case EZFS_SHARENFSFAILED:
4230 (void) fprintf(stderr, gettext("property may be set "
4231 "but unable to reshare filesystem\n"));
4232 break;
4233 }
34dc7c2f 4234 }
bbac1d29 4235 return (ret);
34dc7c2f
BB		 4236}
4237
4238static int
4239zfs_do_set(int argc, char **argv)
4240{
4e16964e 4241 zprop_set_cbdata_t cb = { 0 };
23de906c 4242 int ds_start = -1; /* argv idx of first dataset arg */
ad60af8e 4243 int ret = 0;
4e16964e 4244 int i, c;
34dc7c2f 4245
4e16964e
US		 4246 /* check options */
4247 while ((c = getopt(argc, argv, "u")) != -1) {
4248 switch (c) {
4249 case 'u':
4250 cb.cb_flags |= ZFS_SET_NOMOUNT;
4251 break;
4252 case '?':
4253 default:
4254 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4255 optopt);
4256 usage(B_FALSE);
4257 }
34dc7c2f
BB		 4258 }
4259
4e16964e
US		 4260 argc -= optind;
4261 argv += optind;
4262
34dc7c2f 4263 /* check number of arguments */
4e16964e 4264 if (argc < 1) {
23de906c 4265 (void) fprintf(stderr, gettext("missing arguments\n"));
34dc7c2f
BB		 4266 usage(B_FALSE);
4267 }
4e16964e
US		 4268 if (argc < 2) {
4269 if (strchr(argv[0], '=') == NULL) {
23de906c
CW		 4270 (void) fprintf(stderr, gettext("missing property=value "
4271 "argument(s)\n"));
4272 } else {
4273 (void) fprintf(stderr, gettext("missing dataset "
4274 "name(s)\n"));
4275 }
34dc7c2f
BB		 4276 usage(B_FALSE);
4277 }
4278
23de906c 4279 /* validate argument order: prop=val args followed by dataset args */
4e16964e 4280 for (i = 0; i < argc; i++) {
23de906c
CW		 4281 if (strchr(argv[i], '=') != NULL) {
4282 if (ds_start > 0) {
4283 /* out-of-order prop=val argument */
4284 (void) fprintf(stderr, gettext("invalid "
4285 "argument order\n"));
4286 usage(B_FALSE);
4287 }
4288 } else if (ds_start < 0) {
4289 ds_start = i;
4290 }
4291 }
4292 if (ds_start < 0) {
4293 (void) fprintf(stderr, gettext("missing dataset name(s)\n"));
34dc7c2f
BB		 4294 usage(B_FALSE);
4295 }
4296
23de906c 4297 /* Populate a list of property settings */
4e16964e 4298 if (nvlist_alloc(&cb.cb_proplist, NV_UNIQUE_NAME, 0) != 0)
23de906c 4299 nomem();
4e16964e
US		 4300 for (i = 0; i < ds_start; i++) {
4301 if (!parseprop(cb.cb_proplist, argv[i])) {
a3eeab2d 4302 ret = -1;
23de906c 4303 goto error;
a3eeab2d 4304 }
34dc7c2f
BB		 4305 }
4306
23de906c 4307 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0,
4e16964e 4308 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
34dc7c2f 4309
23de906c 4310error:
4e16964e 4311 nvlist_free(cb.cb_proplist);
34dc7c2f
BB		 4312 return (ret);
4313}
4314
6f1ffb06
MA		 4315typedef struct snap_cbdata {
4316 nvlist_t *sd_nvl;
4317 boolean_t sd_recursive;
4318 const char *sd_snapname;
4319} snap_cbdata_t;
4320
4321static int
4322zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
4323{
4324 snap_cbdata_t *sd = arg;
4325 char *name;
4326 int rv = 0;
4327 int error;
4328
96c2e961
KW		 4329 if (sd->sd_recursive &&
4330 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) {
4331 zfs_close(zhp);
4332 return (0);
4333 }
4334
6f1ffb06
MA		 4335 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
4336 if (error == -1)
4337 nomem();
4338 fnvlist_add_boolean(sd->sd_nvl, name);
4339 free(name);
4340
4341 if (sd->sd_recursive)
baca06c2 4342 rv = zfs_iter_filesystems_v2(zhp, 0, zfs_snapshot_cb, sd);
6f1ffb06
MA		 4343 zfs_close(zhp);
4344 return (rv);
4345}
4346
34dc7c2f 4347/*
b128c09f 4348 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 4349 *
4350 * Creates a snapshot with the given name. While functionally equivalent to
4351 * 'zfs create', it is a separate command to differentiate intent.
4352 */
4353static int
4354zfs_do_snapshot(int argc, char **argv)
4355{
ad60af8e 4356 int ret = 0;
0869b74a 4357 int c;
b128c09f 4358 nvlist_t *props;
6f1ffb06
MA		 4359 snap_cbdata_t sd = { 0 };
4360 boolean_t multiple_snaps = B_FALSE;
b128c09f 4361
428870ff
BB		 4362 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4363 nomem();
6f1ffb06
MA		 4364 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
4365 nomem();
34dc7c2f
BB		 4366
4367 /* check options */
b128c09f 4368 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 4369 switch (c) {
b128c09f 4370 case 'o':
a3eeab2d 4371 if (!parseprop(props, optarg)) {
a425f5bf 4372 nvlist_free(sd.sd_nvl);
4373 nvlist_free(props);
b128c09f 4374 return (1);
a425f5bf 4375 }
b128c09f 4376 break;
34dc7c2f 4377 case 'r':
6f1ffb06
MA		 4378 sd.sd_recursive = B_TRUE;
4379 multiple_snaps = B_TRUE;
34dc7c2f
BB		 4380 break;
4381 case '?':
4382 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4383 optopt);
b128c09f 4384 goto usage;
34dc7c2f
BB		 4385 }
4386 }
4387
4388 argc -= optind;
4389 argv += optind;
4390
4391 /* check number of arguments */
4392 if (argc < 1) {
4393 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 4394 goto usage;
34dc7c2f 4395 }
6f1ffb06
MA		 4396
4397 if (argc > 1)
4398 multiple_snaps = B_TRUE;
4399 for (; argc > 0; argc--, argv++) {
4400 char *atp;
4401 zfs_handle_t *zhp;
4402
4403 atp = strchr(argv[0], '@');
4404 if (atp == NULL)
4405 goto usage;
4406 *atp = '\0';
4407 sd.sd_snapname = atp + 1;
4408 zhp = zfs_open(g_zfs, argv[0],
4409 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4410 if (zhp == NULL)
4411 goto usage;
4412 if (zfs_snapshot_cb(zhp, &sd) != 0)
4413 goto usage;
34dc7c2f
BB		 4414 }
4415
6f1ffb06
MA		 4416 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
4417 nvlist_free(sd.sd_nvl);
b128c09f 4418 nvlist_free(props);
6f1ffb06 4419 if (ret != 0 && multiple_snaps)
34dc7c2f
BB		 4420 (void) fprintf(stderr, gettext("no snapshots were created\n"));
4421 return (ret != 0);
b128c09f
BB		 4422
4423usage:
6f1ffb06 4424 nvlist_free(sd.sd_nvl);
b128c09f
BB		 4425 nvlist_free(props);
4426 usage(B_FALSE);
4427 return (-1);
34dc7c2f
BB		 4428}
4429
6625262c
AZ		 4430/*
4431 * Array of prefixes to exclude –
4432 * a linear search, even if executed for each dataset,
4433 * is plenty good enough.
4434 */
565089f5
SEF		 4435typedef struct zfs_send_exclude_arg {
4436 size_t count;
6625262c 4437 const char **list;
565089f5
SEF		 4438} zfs_send_exclude_arg_t;
4439
565089f5
SEF		 4440static boolean_t
4441zfs_do_send_exclude(zfs_handle_t *zhp, void *context)
4442{
6625262c 4443 zfs_send_exclude_arg_t *excludes = context;
565089f5
SEF		 4444 const char *name = zfs_get_name(zhp);
4445
6625262c
AZ		 4446 for (size_t i = 0; i < excludes->count; ++i) {
4447 size_t len = strlen(excludes->list[i]);
4448 if (strncmp(name, excludes->list[i], len) == 0 &&
4449 memchr("/@", name[len], sizeof ("/@")))
565089f5 4450 return (B_FALSE);
565089f5
SEF		 4451 }
4452
4453 return (B_TRUE);
4454}
30af21b0 4455
34dc7c2f 4456/*
34dc7c2f
BB		 4457 * Send a backup stream to stdout.
4458 */
4459static int
4460zfs_do_send(int argc, char **argv)
4461{
4462 char *fromname = NULL;
4463 char *toname = NULL;
47dfff3b 4464 char *resume_token = NULL;
34dc7c2f
BB		 4465 char *cp;
4466 zfs_handle_t *zhp;
428870ff 4467 sendflags_t flags = { 0 };
34dc7c2f 4468 int c, err;
330d06f9 4469 nvlist_t *dbgnv = NULL;
30af21b0 4470 char *redactbook = NULL;
6625262c 4471 zfs_send_exclude_arg_t excludes = { 0 };
34dc7c2f 4472
a7004725
DK		 4473 struct option long_options[] = {
4474 {"replicate", no_argument, NULL, 'R'},
6625262c 4475 {"skip-missing", no_argument, NULL, 's'},
30af21b0 4476 {"redact", required_argument, NULL, 'd'},
a7004725
DK		 4477 {"props", no_argument, NULL, 'p'},
4478 {"parsable", no_argument, NULL, 'P'},
4479 {"dedup", no_argument, NULL, 'D'},
19d39615 4480 {"proctitle", no_argument, NULL, 'V'},
a7004725
DK		 4481 {"verbose", no_argument, NULL, 'v'},
4482 {"dryrun", no_argument, NULL, 'n'},
4483 {"large-block", no_argument, NULL, 'L'},
4484 {"embed", no_argument, NULL, 'e'},
4485 {"resume", required_argument, NULL, 't'},
4486 {"compressed", no_argument, NULL, 'c'},
b5256303 4487 {"raw", no_argument, NULL, 'w'},
faa97c16 4488 {"backup", no_argument, NULL, 'b'},
9c5e88b1 4489 {"holds", no_argument, NULL, 'h'},
ba0ba69e 4490 {"saved", no_argument, NULL, 'S'},
565089f5 4491 {"exclude", required_argument, NULL, 'X'},
a7004725
DK		 4492 {0, 0, 0, 0}
4493 };
4494
34dc7c2f 4495 /* check options */
19d39615 4496 while ((c = getopt_long(argc, argv, ":i:I:RsDpVvnPLeht:cwbd:SX:",
30af21b0 4497 long_options, NULL)) != -1) {
34dc7c2f 4498 switch (c) {
565089f5 4499 case 'X':
6625262c
AZ		 4500 for (char *ds; (ds = strsep(&optarg, ",")) != NULL; ) {
4501 if (!zfs_name_valid(ds, ZFS_TYPE_DATASET) ||
4502 strchr(ds, '/') == NULL) {
4503 (void) fprintf(stderr, gettext("-X %s: "
4504 "not a valid non-root dataset name"
4505 ".\n"), ds);
4506 usage(B_FALSE);
4507 }
4508 excludes.list = safe_realloc(excludes.list,
4509 sizeof (char *) * (excludes.count + 1));
4510 excludes.list[excludes.count++] = ds;
4511 }
565089f5 4512 break;
34dc7c2f
BB		 4513 case 'i':
4514 if (fromname)
4515 usage(B_FALSE);
4516 fromname = optarg;
4517 break;
4518 case 'I':
4519 if (fromname)
4520 usage(B_FALSE);
4521 fromname = optarg;
428870ff 4522 flags.doall = B_TRUE;
34dc7c2f
BB		 4523 break;
4524 case 'R':
428870ff
BB		 4525 flags.replicate = B_TRUE;
4526 break;
099fa7e4
PCG		 4527 case 's':
4528 flags.skipmissing = B_TRUE;
4529 break;
30af21b0
PD		 4530 case 'd':
4531 redactbook = optarg;
4532 break;
428870ff
BB		 4533 case 'p':
4534 flags.props = B_TRUE;
34dc7c2f 4535 break;
faa97c16 4536 case 'b':
4537 flags.backup = B_TRUE;
4538 break;
9c5e88b1
PZ		 4539 case 'h':
4540 flags.holds = B_TRUE;
4541 break;
330d06f9
MA		 4542 case 'P':
4543 flags.parsable = B_TRUE;
330d06f9 4544 break;
19d39615
AH		 4545 case 'V':
4546 flags.progressastitle = B_TRUE;
4547 break;
34dc7c2f 4548 case 'v':
30af21b0 4549 flags.verbosity++;
37abac6d 4550 flags.progress = B_TRUE;
428870ff
BB		 4551 break;
4552 case 'D':
196bee4c
MA		 4553 (void) fprintf(stderr,
4554 gettext("WARNING: deduplicated send is no "
4555 "longer supported. A regular,\n"
4556 "non-deduplicated stream will be generated.\n\n"));
34dc7c2f 4557 break;
330d06f9
MA		 4558 case 'n':
4559 flags.dryrun = B_TRUE;
4560 break;
f1512ee6
MA		 4561 case 'L':
4562 flags.largeblock = B_TRUE;
4563 break;
9b67f605
MA		 4564 case 'e':
4565 flags.embed_data = B_TRUE;
4566 break;
47dfff3b
MA		 4567 case 't':
4568 resume_token = optarg;
4569 break;
2aa34383
DK		 4570 case 'c':
4571 flags.compress = B_TRUE;
4572 break;
b5256303
TC		 4573 case 'w':
4574 flags.raw = B_TRUE;
4575 flags.compress = B_TRUE;
4576 flags.embed_data = B_TRUE;
4577 flags.largeblock = B_TRUE;
4578 break;
ba0ba69e
TC		 4579 case 'S':
4580 flags.saved = B_TRUE;
4581 break;
34dc7c2f 4582 case ':':
a873815b
GM		 4583 /*
4584 * If a parameter was not passed, optopt contains the
4585 * value that would normally lead us into the
4586 * appropriate case statement. If it's > 256, then this
4587 * must be a longopt and we should look at argv to get
4588 * the string. Otherwise it's just the character, so we
4589 * should use it directly.
4590 */
4591 if (optopt <= UINT8_MAX) {
4592 (void) fprintf(stderr,
4593 gettext("missing argument for '%c' "
4594 "option\n"), optopt);
4595 } else {
4596 (void) fprintf(stderr,
4597 gettext("missing argument for '%s' "
4598 "option\n"), argv[optind - 1]);
4599 }
219cf0f9 4600 free(excludes.list);
34dc7c2f
BB		 4601 usage(B_FALSE);
4602 break;
4603 case '?':
a873815b
GM		 4604 default:
4605 /*
4606 * If an invalid flag was passed, optopt contains the
4607 * character if it was a short flag, or 0 if it was a
4608 * longopt.
4609 */
4610 if (optopt != 0) {
4611 (void) fprintf(stderr,
4612 gettext("invalid option '%c'\n"), optopt);
4613 } else {
4614 (void) fprintf(stderr,
4615 gettext("invalid option '%s'\n"),
4616 argv[optind - 1]);
4617
4618 }
219cf0f9 4619 free(excludes.list);
34dc7c2f
BB		 4620 usage(B_FALSE);
4621 }
4622 }
4623
05b72415 4624 if ((flags.parsable || flags.progressastitle) && flags.verbosity == 0)
30af21b0
PD		 4625 flags.verbosity = 1;
4626
6625262c 4627 if (excludes.count > 0 && !flags.replicate) {
219cf0f9 4628 free(excludes.list);
565089f5
SEF		 4629 (void) fprintf(stderr, gettext("Cannot specify "
4630 "dataset exclusion (-X) on a non-recursive "
4631 "send.\n"));
4632 return (1);
4633 }
4634
34dc7c2f
BB		 4635 argc -= optind;
4636 argv += optind;
4637
47dfff3b
MA		 4638 if (resume_token != NULL) {
4639 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4640 flags.backup || flags.holds ||
ba0ba69e 4641 flags.saved || redactbook != NULL) {
219cf0f9 4642 free(excludes.list);
47dfff3b
MA		 4643 (void) fprintf(stderr,
4644 gettext("invalid flags combined with -t\n"));
4645 usage(B_FALSE);
4646 }
30af21b0 4647 if (argc > 0) {
219cf0f9 4648 free(excludes.list);
30af21b0 4649 (void) fprintf(stderr, gettext("too many arguments\n"));
47dfff3b
MA		 4650 usage(B_FALSE);
4651 }
4652 } else {
4653 if (argc < 1) {
219cf0f9 4654 free(excludes.list);
47dfff3b
MA		 4655 (void) fprintf(stderr,
4656 gettext("missing snapshot argument\n"));
4657 usage(B_FALSE);
4658 }
4659 if (argc > 1) {
219cf0f9 4660 free(excludes.list);
47dfff3b
MA		 4661 (void) fprintf(stderr, gettext("too many arguments\n"));
4662 usage(B_FALSE);
4663 }
34dc7c2f
BB		 4664 }
4665
ba0ba69e
TC		 4666 if (flags.saved) {
4667 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4668 flags.doall || flags.backup ||
ba0ba69e
TC		 4669 flags.holds || flags.largeblock || flags.embed_data ||
4670 flags.compress || flags.raw || redactbook != NULL) {
219cf0f9
RY		 4671 free(excludes.list);
4672
ba0ba69e
TC		 4673 (void) fprintf(stderr, gettext("incompatible flags "
4674 "combined with saved send flag\n"));
4675 usage(B_FALSE);
4676 }
4677 if (strchr(argv[0], '@') != NULL) {
219cf0f9
RY		 4678 free(excludes.list);
4679
ba0ba69e
TC		 4680 (void) fprintf(stderr, gettext("saved send must "
4681 "specify the dataset with partially-received "
4682 "state\n"));
4683 usage(B_FALSE);
4684 }
4685 }
4686
30af21b0 4687 if (flags.raw && redactbook != NULL) {
219cf0f9 4688 free(excludes.list);
30af21b0
PD		 4689 (void) fprintf(stderr,
4690 gettext("Error: raw sends may not be redacted.\n"));
4691 return (1);
4692 }
4693
330d06f9 4694 if (!flags.dryrun && isatty(STDOUT_FILENO)) {
219cf0f9 4695 free(excludes.list);
34dc7c2f
BB		 4696 (void) fprintf(stderr,
4697 gettext("Error: Stream can not be written to a terminal.\n"
4698 "You must redirect standard output.\n"));
4699 return (1);
4700 }
4701
ba0ba69e
TC		 4702 if (flags.saved) {
4703 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4704 if (zhp == NULL) {
4705 free(excludes.list);
ba0ba69e 4706 return (1);
219cf0f9 4707 }
ba0ba69e
TC		 4708
4709 err = zfs_send_saved(zhp, &flags, STDOUT_FILENO,
4710 resume_token);
219cf0f9 4711 free(excludes.list);
ba0ba69e
TC		 4712 zfs_close(zhp);
4713 return (err != 0);
4714 } else if (resume_token != NULL) {
219cf0f9 4715 free(excludes.list);
d1a5e959
AZ		 4716 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO,
4717 resume_token));
47dfff3b
MA		 4718 }
4719
099fa7e4 4720 if (flags.skipmissing && !flags.replicate) {
219cf0f9 4721 free(excludes.list);
099fa7e4
PCG		 4722 (void) fprintf(stderr,
4723 gettext("skip-missing flag can only be used in "
4724 "conjunction with replicate\n"));
4725 usage(B_FALSE);
4726 }
4727
da536844 4728 /*
30af21b0 4729 * For everything except -R and -I, use the new, cleaner code path.
da536844 4730 */
30af21b0 4731 if (!(flags.replicate || flags.doall)) {
eca7b760 4732 char frombuf[ZFS_MAX_DATASET_NAME_LEN];
da536844 4733
30af21b0
PD		 4734 if (fromname != NULL && (strchr(fromname, '#') == NULL &&
4735 strchr(fromname, '@') == NULL)) {
4736 /*
4737 * Neither bookmark or snapshot was specified. Print a
4738 * warning, and assume snapshot.
4739 */
4740 (void) fprintf(stderr, "Warning: incremental source "
4741 "didn't specify type, assuming snapshot. Use '@' "
4742 "or '#' prefix to avoid ambiguity.\n");
4743 (void) snprintf(frombuf, sizeof (frombuf), "@%s",
4744 fromname);
4745 fromname = frombuf;
4746 }
da536844
MA		 4747 if (fromname != NULL &&
4748 (fromname[0] == '#' || fromname[0] == '@')) {
4749 /*
4750 * Incremental source name begins with # or @.
4751 * Default to same fs as target.
4752 */
30af21b0
PD		 4753 char tmpbuf[ZFS_MAX_DATASET_NAME_LEN];
4754 (void) strlcpy(tmpbuf, fromname, sizeof (tmpbuf));
5df39c1e 4755 (void) strlcpy(frombuf, argv[0], sizeof (frombuf));
da536844
MA		 4756 cp = strchr(frombuf, '@');
4757 if (cp != NULL)
4758 *cp = '\0';
30af21b0 4759 (void) strlcat(frombuf, tmpbuf, sizeof (frombuf));
da536844
MA		 4760 fromname = frombuf;
4761 }
22df2457
RM		 4762
4763 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4764 if (zhp == NULL) {
4765 free(excludes.list);
22df2457 4766 return (1);
219cf0f9 4767 }
30af21b0
PD		 4768 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, &flags,
4769 redactbook);
219cf0f9
RY		 4770
4771 free(excludes.list);
da536844
MA		 4772 zfs_close(zhp);
4773 return (err != 0);
34dc7c2f 4774 }
da536844 4775
30af21b0
PD		 4776 if (fromname != NULL && strchr(fromname, '#')) {
4777 (void) fprintf(stderr,
4778 gettext("Error: multiple snapshots cannot be "
4779 "sent from a bookmark.\n"));
219cf0f9 4780 free(excludes.list);
30af21b0
PD		 4781 return (1);
4782 }
4783
4784 if (redactbook != NULL) {
4785 (void) fprintf(stderr, gettext("Error: multiple snapshots "
4786 "cannot be sent redacted.\n"));
219cf0f9 4787 free(excludes.list);
30af21b0
PD		 4788 return (1);
4789 }
4790
1d20b763 4791 if ((cp = strchr(argv[0], '@')) == NULL) {
4792 (void) fprintf(stderr, gettext("Error: "
4793 "Unsupported flag with filesystem or bookmark.\n"));
219cf0f9 4794 free(excludes.list);
1d20b763 4795 return (1);
4796 }
0b7936d5
AS		 4797 *cp = '\0';
4798 toname = cp + 1;
4799 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
219cf0f9
RY		 4800 if (zhp == NULL) {
4801 free(excludes.list);
0b7936d5 4802 return (1);
219cf0f9 4803 }
0b7936d5
AS		 4804
4805 /*
4806 * If they specified the full path to the snapshot, chop off
4807 * everything except the short name of the snapshot, but special
4808 * case if they specify the origin.
4809 */
4810 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
eca7b760 4811 char origin[ZFS_MAX_DATASET_NAME_LEN];
610cb4fb 4812 zprop_source_t src;
0b7936d5
AS		 4813
4814 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
4815 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
4816
4817 if (strcmp(origin, fromname) == 0) {
4818 fromname = NULL;
4819 flags.fromorigin = B_TRUE;
4820 } else {
4821 *cp = '\0';
4822 if (cp != fromname && strcmp(argv[0], fromname)) {
219cf0f9
RY		 4823 zfs_close(zhp);
4824 free(excludes.list);
0b7936d5
AS		 4825 (void) fprintf(stderr,
4826 gettext("incremental source must be "
4827 "in same filesystem\n"));
4828 usage(B_FALSE);
4829 }
4830 fromname = cp + 1;
4831 if (strchr(fromname, '@') || strchr(fromname, '/')) {
219cf0f9
RY		 4832 zfs_close(zhp);
4833 free(excludes.list);
0b7936d5
AS		 4834 (void) fprintf(stderr,
4835 gettext("invalid incremental source\n"));
4836 usage(B_FALSE);
4837 }
4838 }
4839 }
4840
4841 if (flags.replicate && fromname == NULL)
4842 flags.doall = B_TRUE;
4843
565089f5 4844 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO,
6625262c
AZ		 4845 excludes.count > 0 ? zfs_do_send_exclude : NULL,
4846 &excludes, flags.verbosity >= 3 ? &dbgnv : NULL);
0b7936d5 4847
30af21b0 4848 if (flags.verbosity >= 3 && dbgnv != NULL) {
0b7936d5
AS		 4849 /*
4850 * dump_nvlist prints to stdout, but that's been
4851 * redirected to a file. Make it print to stderr
4852 * instead.
4853 */
4854 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
4855 dump_nvlist(dbgnv, 0);
4856 nvlist_free(dbgnv);
4857 }
0b7936d5 4858
6625262c
AZ		 4859 zfs_close(zhp);
4860 free(excludes.list);
0b7936d5
AS		 4861 return (err != 0);
4862}
4863
4864/*
0b7936d5
AS		 4865 * Restore a backup stream from stdin.
4866 */
4867static int
4868zfs_do_receive(int argc, char **argv)
4869{
648a09ad 4870 int c, err = 0;
0b7936d5 4871 recvflags_t flags = { 0 };
47dfff3b 4872 boolean_t abort_resumable = B_FALSE;
fcff0f35 4873 nvlist_t *props;
fcff0f35
PD		 4874
4875 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4876 nomem();
0b7936d5
AS		 4877
4878 /* check options */
e8cf3a4f 4879 while ((c = getopt(argc, argv, ":o:x:dehMnuvFsAc")) != -1) {
0b7936d5 4880 switch (c) {
fcff0f35 4881 case 'o':
a3eeab2d 4882 if (!parseprop(props, optarg)) {
a425f5bf 4883 nvlist_free(props);
a3eeab2d 4884 usage(B_FALSE);
4885 }
4886 break;
4887 case 'x':
4888 if (!parsepropname(props, optarg)) {
4889 nvlist_free(props);
4890 usage(B_FALSE);
a425f5bf 4891 }
fcff0f35 4892 break;
0b7936d5 4893 case 'd':
bdbd5477 4894 if (flags.istail) {
4895 (void) fprintf(stderr, gettext("invalid option "
4896 "combination: -d and -e are mutually "
4897 "exclusive\n"));
4898 usage(B_FALSE);
4899 }
0b7936d5
AS		 4900 flags.isprefix = B_TRUE;
4901 break;
4902 case 'e':
bdbd5477 4903 if (flags.isprefix) {
4904 (void) fprintf(stderr, gettext("invalid option "
4905 "combination: -d and -e are mutually "
4906 "exclusive\n"));
4907 usage(B_FALSE);
4908 }
0b7936d5
AS		 4909 flags.istail = B_TRUE;
4910 break;
9c5e88b1
PZ		 4911 case 'h':
4912 flags.skipholds = B_TRUE;
4913 break;
a57d3d45
MZ		 4914 case 'M':
4915 flags.forceunmount = B_TRUE;
4916 break;
0b7936d5
AS		 4917 case 'n':
4918 flags.dryrun = B_TRUE;
4919 break;
4920 case 'u':
4921 flags.nomount = B_TRUE;
4922 break;
4923 case 'v':
4924 flags.verbose = B_TRUE;
4925 break;
47dfff3b
MA		 4926 case 's':
4927 flags.resumable = B_TRUE;
4928 break;
0b7936d5
AS		 4929 case 'F':
4930 flags.force = B_TRUE;
4931 break;
47dfff3b
MA		 4932 case 'A':
4933 abort_resumable = B_TRUE;
4934 break;
e8cf3a4f
AP		 4935 case 'c':
4936 flags.heal = B_TRUE;
4937 break;
0b7936d5
AS		 4938 case ':':
4939 (void) fprintf(stderr, gettext("missing argument for "
4940 "'%c' option\n"), optopt);
4941 usage(B_FALSE);
4942 break;
4943 case '?':
4944 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4945 optopt);
4946 usage(B_FALSE);
4947 }
4948 }
4949
4950 argc -= optind;
4951 argv += optind;
4952
bdbd5477 4953 /* zfs recv -e (use "tail" name) implies -d (remove dataset "head") */
4954 if (flags.istail)
4955 flags.isprefix = B_TRUE;
4956
0b7936d5
AS		 4957 /* check number of arguments */
4958 if (argc < 1) {
4959 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
4960 usage(B_FALSE);
4961 }
4962 if (argc > 1) {
4963 (void) fprintf(stderr, gettext("too many arguments\n"));
4964 usage(B_FALSE);
4965 }
4966
47dfff3b
MA		 4967 if (abort_resumable) {
4968 if (flags.isprefix || flags.istail || flags.dryrun ||
4969 flags.resumable || flags.nomount) {
88c30122 4970 (void) fprintf(stderr, gettext("invalid option\n"));
47dfff3b
MA		 4971 usage(B_FALSE);
4972 }
4973
eca7b760 4974 char namebuf[ZFS_MAX_DATASET_NAME_LEN];
47dfff3b
MA		 4975 (void) snprintf(namebuf, sizeof (namebuf),
4976 "%s/%%recv", argv[0]);
4977
4978 if (zfs_dataset_exists(g_zfs, namebuf,
4979 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) {
4980 zfs_handle_t *zhp = zfs_open(g_zfs,
4981 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 4982 if (zhp == NULL) {
4983 nvlist_free(props);
47dfff3b 4984 return (1);
a425f5bf 4985 }
47dfff3b 4986 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4987 zfs_close(zhp);
47dfff3b
MA		 4988 } else {
4989 zfs_handle_t *zhp = zfs_open(g_zfs,
4990 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4991 if (zhp == NULL)
4992 usage(B_FALSE);
4993 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) ||
4994 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
4995 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) {
4996 (void) fprintf(stderr,
4997 gettext("'%s' does not have any "
4998 "resumable receive state to abort\n"),
4999 argv[0]);
a425f5bf 5000 nvlist_free(props);
5001 zfs_close(zhp);
47dfff3b
MA		 5002 return (1);
5003 }
5004 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 5005 zfs_close(zhp);
47dfff3b 5006 }
a425f5bf 5007 nvlist_free(props);
47dfff3b
MA		 5008 return (err != 0);
5009 }
5010
0b7936d5
AS		 5011 if (isatty(STDIN_FILENO)) {
5012 (void) fprintf(stderr,
5013 gettext("Error: Backup stream can not be read "
5014 "from a terminal.\n"
5015 "You must redirect standard input.\n"));
a425f5bf 5016 nvlist_free(props);
0b7936d5
AS		 5017 return (1);
5018 }
fcff0f35 5019 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL);
a425f5bf 5020 nvlist_free(props);
0b7936d5
AS		 5021
5022 return (err != 0);
5023}
5024
5025/*
5026 * allow/unallow stuff
5027 */
5028/* copied from zfs/sys/dsl_deleg.h */
5029#define ZFS_DELEG_PERM_CREATE "create"
5030#define ZFS_DELEG_PERM_DESTROY "destroy"
5031#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
5032#define ZFS_DELEG_PERM_ROLLBACK "rollback"
5033#define ZFS_DELEG_PERM_CLONE "clone"
5034#define ZFS_DELEG_PERM_PROMOTE "promote"
5035#define ZFS_DELEG_PERM_RENAME "rename"
5036#define ZFS_DELEG_PERM_MOUNT "mount"
5037#define ZFS_DELEG_PERM_SHARE "share"
5038#define ZFS_DELEG_PERM_SEND "send"
5039#define ZFS_DELEG_PERM_RECEIVE "receive"
5040#define ZFS_DELEG_PERM_ALLOW "allow"
5041#define ZFS_DELEG_PERM_USERPROP "userprop"
5042#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
5043#define ZFS_DELEG_PERM_USERQUOTA "userquota"
5044#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
5045#define ZFS_DELEG_PERM_USERUSED "userused"
5046#define ZFS_DELEG_PERM_GROUPUSED "groupused"
1de321e6
JX		 5047#define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
5048#define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
5049#define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
5050#define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
5051
0b7936d5
AS		 5052#define ZFS_DELEG_PERM_HOLD "hold"
5053#define ZFS_DELEG_PERM_RELEASE "release"
5054#define ZFS_DELEG_PERM_DIFF "diff"
da536844 5055#define ZFS_DELEG_PERM_BOOKMARK "bookmark"
b5256303
TC		 5056#define ZFS_DELEG_PERM_LOAD_KEY "load-key"
5057#define ZFS_DELEG_PERM_CHANGE_KEY "change-key"
0b7936d5 5058
9c5167d1
NF		 5059#define ZFS_DELEG_PERM_PROJECTUSED "projectused"
5060#define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota"
5061#define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused"
5062#define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota"
5063
0b7936d5
AS		 5064#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
5065
5066static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
5067 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
5068 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
5069 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
5070 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
5071 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
5072 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
5073 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
5074 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
5075 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
5076 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
5077 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
5078 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
5079 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
5080 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
5081 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
da536844 5082 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK },
b5256303
TC		 5083 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY },
5084 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY },
0b7936d5
AS		 5085
5086 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
5087 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
5088 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
5089 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
5090 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
1de321e6
JX		 5091 { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA },
5092 { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED },
5093 { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA },
5094 { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED },
9c5167d1
NF		 5095 { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED },
5096 { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA },
5097 { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED },
5098 { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA },
0b7936d5
AS		 5099 { NULL, ZFS_DELEG_NOTE_NONE }
5100};
5101
5102/* permission structure */
5103typedef struct deleg_perm {
5104 zfs_deleg_who_type_t dp_who_type;
5105 const char *dp_name;
5106 boolean_t dp_local;
5107 boolean_t dp_descend;
5108} deleg_perm_t;
5109
5110/* */
5111typedef struct deleg_perm_node {
5112 deleg_perm_t dpn_perm;
5113
5114 uu_avl_node_t dpn_avl_node;
5115} deleg_perm_node_t;
5116
5117typedef struct fs_perm fs_perm_t;
5118
5119/* permissions set */
5120typedef struct who_perm {
5121 zfs_deleg_who_type_t who_type;
5122 const char *who_name; /* id */
5123 char who_ug_name[256]; /* user/group name */
5124 fs_perm_t *who_fsperm; /* uplink */
5125
5126 uu_avl_t *who_deleg_perm_avl; /* permissions */
5127} who_perm_t;
5128
5129/* */
5130typedef struct who_perm_node {
5131 who_perm_t who_perm;
5132 uu_avl_node_t who_avl_node;
5133} who_perm_node_t;
5134
5135typedef struct fs_perm_set fs_perm_set_t;
5136/* fs permissions */
5137struct fs_perm {
5138 const char *fsp_name;
5139
5140 uu_avl_t *fsp_sc_avl; /* sets,create */
5141 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
5142
5143 fs_perm_set_t *fsp_set; /* uplink */
5144};
5145
5146/* */
5147typedef struct fs_perm_node {
5148 fs_perm_t fspn_fsperm;
5149 uu_avl_t *fspn_avl;
5150
5151 uu_list_node_t fspn_list_node;
5152} fs_perm_node_t;
5153
5154/* top level structure */
5155struct fs_perm_set {
5156 uu_list_pool_t *fsps_list_pool;
5157 uu_list_t *fsps_list; /* list of fs_perms */
5158
5159 uu_avl_pool_t *fsps_named_set_avl_pool;
5160 uu_avl_pool_t *fsps_who_perm_avl_pool;
5161 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
5162};
5163
5164static inline const char *
5165deleg_perm_type(zfs_deleg_note_t note)
5166{
5167 /* subcommands */
5168 switch (note) {
5169 /* SUBCOMMANDS */
5170 /* OTHER */
5171 case ZFS_DELEG_NOTE_GROUPQUOTA:
5172 case ZFS_DELEG_NOTE_GROUPUSED:
5173 case ZFS_DELEG_NOTE_USERPROP:
5174 case ZFS_DELEG_NOTE_USERQUOTA:
5175 case ZFS_DELEG_NOTE_USERUSED:
1de321e6
JX		 5176 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5177 case ZFS_DELEG_NOTE_USEROBJUSED:
5178 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5179 case ZFS_DELEG_NOTE_GROUPOBJUSED:
9c5167d1
NF		 5180 case ZFS_DELEG_NOTE_PROJECTUSED:
5181 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5182 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5183 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
0b7936d5
AS		 5184 /* other */
5185 return (gettext("other"));
5186 default:
5187 return (gettext("subcommand"));
5188 }
5189}
5190
648a09ad 5191static int
0b7936d5
AS		 5192who_type2weight(zfs_deleg_who_type_t who_type)
5193{
5194 int res;
5195 switch (who_type) {
5196 case ZFS_DELEG_NAMED_SET_SETS:
5197 case ZFS_DELEG_NAMED_SET:
5198 res = 0;
5199 break;
5200 case ZFS_DELEG_CREATE_SETS:
5201 case ZFS_DELEG_CREATE:
5202 res = 1;
5203 break;
5204 case ZFS_DELEG_USER_SETS:
5205 case ZFS_DELEG_USER:
5206 res = 2;
5207 break;
5208 case ZFS_DELEG_GROUP_SETS:
5209 case ZFS_DELEG_GROUP:
5210 res = 3;
5211 break;
5212 case ZFS_DELEG_EVERYONE_SETS:
5213 case ZFS_DELEG_EVERYONE:
5214 res = 4;
5215 break;
5216 default:
5217 res = -1;
5218 }
5219
5220 return (res);
5221}
5222
0b7936d5
AS		 5223static int
5224who_perm_compare(const void *larg, const void *rarg, void *unused)
5225{
f291fa65 5226 (void) unused;
0b7936d5
AS		 5227 const who_perm_node_t *l = larg;
5228 const who_perm_node_t *r = rarg;
5229 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
5230 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
5231 int lweight = who_type2weight(ltype);
5232 int rweight = who_type2weight(rtype);
5233 int res = lweight - rweight;
5234 if (res == 0)
5235 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
5236 ZFS_MAX_DELEG_NAME-1);
5237
5238 if (res == 0)
5239 return (0);
5240 if (res > 0)
5241 return (1);
5242 else
5243 return (-1);
5244}
5245
0b7936d5
AS		 5246static int
5247deleg_perm_compare(const void *larg, const void *rarg, void *unused)
5248{
f291fa65 5249 (void) unused;
0b7936d5
AS		 5250 const deleg_perm_node_t *l = larg;
5251 const deleg_perm_node_t *r = rarg;
5252 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
5253 ZFS_MAX_DELEG_NAME-1);
5254
5255 if (res == 0)
5256 return (0);
5257
5258 if (res > 0)
5259 return (1);
5260 else
5261 return (-1);
5262}
5263
5264static inline void
5265fs_perm_set_init(fs_perm_set_t *fspset)
5266{
861166b0 5267 memset(fspset, 0, sizeof (fs_perm_set_t));
0b7936d5
AS		 5268
5269 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
5270 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
5271 NULL, UU_DEFAULT)) == NULL)
5272 nomem();
5273 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
5274 UU_DEFAULT)) == NULL)
5275 nomem();
5276
5277 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
5278 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
5279 who_perm_node_t, who_avl_node), who_perm_compare,
5280 UU_DEFAULT)) == NULL)
5281 nomem();
5282
5283 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
5284 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
5285 who_perm_node_t, who_avl_node), who_perm_compare,
5286 UU_DEFAULT)) == NULL)
5287 nomem();
5288
5289 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
5290 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
5291 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
5292 == NULL)
5293 nomem();
5294}
5295
5296static inline void fs_perm_fini(fs_perm_t *);
5297static inline void who_perm_fini(who_perm_t *);
5298
5299static inline void
5300fs_perm_set_fini(fs_perm_set_t *fspset)
5301{
5302 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
5303
5304 while (node != NULL) {
5305 fs_perm_node_t *next_node =
5306 uu_list_next(fspset->fsps_list, node);
5307 fs_perm_t *fsperm = &node->fspn_fsperm;
5308 fs_perm_fini(fsperm);
5309 uu_list_remove(fspset->fsps_list, node);
5310 free(node);
5311 node = next_node;
5312 }
5313
5314 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
5315 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
5316 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
5317}
5318
5319static inline void
5320deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
5321 const char *name)
5322{
5323 deleg_perm->dp_who_type = type;
5324 deleg_perm->dp_name = name;
5325}
5326
5327static inline void
5328who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
5329 zfs_deleg_who_type_t type, const char *name)
5330{
5331 uu_avl_pool_t *pool;
5332 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
5333
861166b0 5334 memset(who_perm, 0, sizeof (who_perm_t));
0b7936d5
AS		 5335
5336 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
5337 UU_DEFAULT)) == NULL)
5338 nomem();
5339
5340 who_perm->who_type = type;
5341 who_perm->who_name = name;
5342 who_perm->who_fsperm = fsperm;
5343}
5344
5345static inline void
5346who_perm_fini(who_perm_t *who_perm)
5347{
5348 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
5349
5350 while (node != NULL) {
5351 deleg_perm_node_t *next_node =
5352 uu_avl_next(who_perm->who_deleg_perm_avl, node);
5353
5354 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
5355 free(node);
5356 node = next_node;
5357 }
5358
5359 uu_avl_destroy(who_perm->who_deleg_perm_avl);
5360}
5361
5362static inline void
5363fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
5364{
5365 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
5366 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
5367
861166b0 5368 memset(fsperm, 0, sizeof (fs_perm_t));
0b7936d5
AS		 5369
5370 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
5371 == NULL)
5372 nomem();
5373
5374 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
5375 == NULL)
5376 nomem();
5377
5378 fsperm->fsp_set = fspset;
5379 fsperm->fsp_name = fsname;
5380}
5381
5382static inline void
5383fs_perm_fini(fs_perm_t *fsperm)
5384{
5385 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
5386 while (node != NULL) {
5387 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
5388 node);
5389 who_perm_t *who_perm = &node->who_perm;
5390 who_perm_fini(who_perm);
5391 uu_avl_remove(fsperm->fsp_sc_avl, node);
5392 free(node);
5393 node = next_node;
5394 }
5395
5396 node = uu_avl_first(fsperm->fsp_uge_avl);
5397 while (node != NULL) {
5398 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
5399 node);
5400 who_perm_t *who_perm = &node->who_perm;
5401 who_perm_fini(who_perm);
5402 uu_avl_remove(fsperm->fsp_uge_avl, node);
5403 free(node);
5404 node = next_node;
5405 }
5406
5407 uu_avl_destroy(fsperm->fsp_sc_avl);
5408 uu_avl_destroy(fsperm->fsp_uge_avl);
5409}
5410
648a09ad 5411static void
0b7936d5
AS		 5412set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
5413 zfs_deleg_who_type_t who_type, const char *name, char locality)
5414{
5415 uu_avl_index_t idx = 0;
5416
5417 deleg_perm_node_t *found_node = NULL;
5418 deleg_perm_t *deleg_perm = &node->dpn_perm;
5419
5420 deleg_perm_init(deleg_perm, who_type, name);
5421
5422 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5423 == NULL)
5424 uu_avl_insert(avl, node, idx);
5425 else {
5426 node = found_node;
5427 deleg_perm = &node->dpn_perm;
5428 }
5429
5430
5431 switch (locality) {
5432 case ZFS_DELEG_LOCAL:
5433 deleg_perm->dp_local = B_TRUE;
5434 break;
5435 case ZFS_DELEG_DESCENDENT:
5436 deleg_perm->dp_descend = B_TRUE;
5437 break;
5438 case ZFS_DELEG_NA:
5439 break;
5440 default:
5441 assert(B_FALSE); /* invalid locality */
5442 }
5443}
5444
5445static inline int
5446parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
5447{
5448 nvpair_t *nvp = NULL;
5449 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
5450 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
5451 zfs_deleg_who_type_t who_type = who_perm->who_type;
5452
5453 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5454 const char *name = nvpair_name(nvp);
5455 data_type_t type = nvpair_type(nvp);
5456 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
5457 deleg_perm_node_t *node =
5458 safe_malloc(sizeof (deleg_perm_node_t));
5459
5460 VERIFY(type == DATA_TYPE_BOOLEAN);
5461
5462 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
5463 set_deleg_perm_node(avl, node, who_type, name, locality);
5464 }
5465
5466 return (0);
5467}
5468
5469static inline int
5470parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
5471{
5472 nvpair_t *nvp = NULL;
5473 fs_perm_set_t *fspset = fsperm->fsp_set;
5474
5475 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5476 nvlist_t *nvl2 = NULL;
5477 const char *name = nvpair_name(nvp);
5478 uu_avl_t *avl = NULL;
5479 uu_avl_pool_t *avl_pool = NULL;
5480 zfs_deleg_who_type_t perm_type = name[0];
5481 char perm_locality = name[1];
5482 const char *perm_name = name + 3;
0b7936d5
AS		 5483 who_perm_t *who_perm = NULL;
5484
5485 assert('$' == name[2]);
5486
5487 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5488 return (-1);
5489
5490 switch (perm_type) {
5491 case ZFS_DELEG_CREATE:
5492 case ZFS_DELEG_CREATE_SETS:
5493 case ZFS_DELEG_NAMED_SET:
5494 case ZFS_DELEG_NAMED_SET_SETS:
5495 avl_pool = fspset->fsps_named_set_avl_pool;
5496 avl = fsperm->fsp_sc_avl;
5497 break;
5498 case ZFS_DELEG_USER:
5499 case ZFS_DELEG_USER_SETS:
5500 case ZFS_DELEG_GROUP:
5501 case ZFS_DELEG_GROUP_SETS:
5502 case ZFS_DELEG_EVERYONE:
5503 case ZFS_DELEG_EVERYONE_SETS:
5504 avl_pool = fspset->fsps_who_perm_avl_pool;
5505 avl = fsperm->fsp_uge_avl;
5506 break;
648a09ad 5507
0b7936d5 5508 default:
648a09ad 5509 assert(!"unhandled zfs_deleg_who_type_t");
0b7936d5
AS		 5510 }
5511
1e49b288
BB		 5512 who_perm_node_t *found_node = NULL;
5513 who_perm_node_t *node = safe_malloc(
5514 sizeof (who_perm_node_t));
5515 who_perm = &node->who_perm;
5516 uu_avl_index_t idx = 0;
5517
5518 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
5519 who_perm_init(who_perm, fsperm, perm_type, perm_name);
5520
5521 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5522 == NULL) {
5523 if (avl == fsperm->fsp_uge_avl) {
5524 uid_t rid = 0;
5525 struct passwd *p = NULL;
5526 struct group *g = NULL;
5527 const char *nice_name = NULL;
5528
5529 switch (perm_type) {
5530 case ZFS_DELEG_USER_SETS:
5531 case ZFS_DELEG_USER:
5532 rid = atoi(perm_name);
5533 p = getpwuid(rid);
5534 if (p)
5535 nice_name = p->pw_name;
5536 break;
5537 case ZFS_DELEG_GROUP_SETS:
5538 case ZFS_DELEG_GROUP:
5539 rid = atoi(perm_name);
5540 g = getgrgid(rid);
5541 if (g)
5542 nice_name = g->gr_name;
5543 break;
0b7936d5 5544
1e49b288
BB		 5545 default:
5546 break;
0b7936d5
AS		 5547 }
5548
a8bd6dcf 5549 if (nice_name != NULL) {
1e49b288
BB		 5550 (void) strlcpy(
5551 node->who_perm.who_ug_name,
5552 nice_name, 256);
a8bd6dcf
AG		 5553 } else {
5554 /* User or group unknown */
5555 (void) snprintf(
5556 node->who_perm.who_ug_name,
5557 sizeof (node->who_perm.who_ug_name),
5558 "(unknown: %d)", rid);
5559 }
0b7936d5 5560 }
1e49b288
BB		 5561
5562 uu_avl_insert(avl, node, idx);
5563 } else {
5564 node = found_node;
5565 who_perm = &node->who_perm;
0b7936d5 5566 }
1e49b288
BB		 5567
5568 assert(who_perm != NULL);
0b7936d5
AS		 5569 (void) parse_who_perm(who_perm, nvl2, perm_locality);
5570 }
5571
5572 return (0);
5573}
5574
5575static inline int
5576parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
5577{
5578 nvpair_t *nvp = NULL;
5579 uu_avl_index_t idx = 0;
5580
5581 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5582 nvlist_t *nvl2 = NULL;
5583 const char *fsname = nvpair_name(nvp);
5584 data_type_t type = nvpair_type(nvp);
5585 fs_perm_t *fsperm = NULL;
5586 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
0b7936d5
AS		 5587
5588 fsperm = &node->fspn_fsperm;
5589
5590 VERIFY(DATA_TYPE_NVLIST == type);
5591
5592 uu_list_node_init(node, &node->fspn_list_node,
5593 fspset->fsps_list_pool);
5594
5595 idx = uu_list_numnodes(fspset->fsps_list);
5596 fs_perm_init(fsperm, fspset, fsname);
5597
5598 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5599 return (-1);
5600
5601 (void) parse_fs_perm(fsperm, nvl2);
5602
5603 uu_list_insert(fspset->fsps_list, node, idx);
5604 }
5605
5606 return (0);
5607}
5608
5609static inline const char *
5610deleg_perm_comment(zfs_deleg_note_t note)
5611{
5612 const char *str = "";
5613
5614 /* subcommands */
5615 switch (note) {
5616 /* SUBCOMMANDS */
5617 case ZFS_DELEG_NOTE_ALLOW:
5618 str = gettext("Must also have the permission that is being"
5619 "\n\t\t\t\tallowed");
5620 break;
5621 case ZFS_DELEG_NOTE_CLONE:
5622 str = gettext("Must also have the 'create' ability and 'mount'"
5623 "\n\t\t\t\tability in the origin file system");
5624 break;
5625 case ZFS_DELEG_NOTE_CREATE:
5626 str = gettext("Must also have the 'mount' ability");
5627 break;
5628 case ZFS_DELEG_NOTE_DESTROY:
5629 str = gettext("Must also have the 'mount' ability");
5630 break;
5631 case ZFS_DELEG_NOTE_DIFF:
5632 str = gettext("Allows lookup of paths within a dataset;"
5633 "\n\t\t\t\tgiven an object number. Ordinary users need this"
5634 "\n\t\t\t\tin order to use zfs diff");
5635 break;
5636 case ZFS_DELEG_NOTE_HOLD:
5637 str = gettext("Allows adding a user hold to a snapshot");
5638 break;
5639 case ZFS_DELEG_NOTE_MOUNT:
5640 str = gettext("Allows mount/umount of ZFS datasets");
5641 break;
5642 case ZFS_DELEG_NOTE_PROMOTE:
5643 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
5644 " 'promote' ability in the origin file system");
5645 break;
5646 case ZFS_DELEG_NOTE_RECEIVE:
5647 str = gettext("Must also have the 'mount' and 'create'"
5648 " ability");
5649 break;
5650 case ZFS_DELEG_NOTE_RELEASE:
5651 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
5652 "might destroy the snapshot");
5653 break;
5654 case ZFS_DELEG_NOTE_RENAME:
5655 str = gettext("Must also have the 'mount' and 'create'"
5656 "\n\t\t\t\tability in the new parent");
5657 break;
5658 case ZFS_DELEG_NOTE_ROLLBACK:
5659 str = gettext("");
5660 break;
5661 case ZFS_DELEG_NOTE_SEND:
5662 str = gettext("");
5663 break;
5664 case ZFS_DELEG_NOTE_SHARE:
5665 str = gettext("Allows sharing file systems over NFS or SMB"
5666 "\n\t\t\t\tprotocols");
5667 break;
5668 case ZFS_DELEG_NOTE_SNAPSHOT:
5669 str = gettext("");
5670 break;
b5256303
TC		 5671 case ZFS_DELEG_NOTE_LOAD_KEY:
5672 str = gettext("Allows loading or unloading an encryption key");
5673 break;
5674 case ZFS_DELEG_NOTE_CHANGE_KEY:
5675 str = gettext("Allows changing or adding an encryption key");
5676 break;
0b7936d5
AS		 5677/*
5678 * case ZFS_DELEG_NOTE_VSCAN:
5679 * str = gettext("");
5680 * break;
5681 */
5682 /* OTHER */
5683 case ZFS_DELEG_NOTE_GROUPQUOTA:
5684 str = gettext("Allows accessing any groupquota@... property");
5685 break;
5686 case ZFS_DELEG_NOTE_GROUPUSED:
5687 str = gettext("Allows reading any groupused@... property");
5688 break;
5689 case ZFS_DELEG_NOTE_USERPROP:
5690 str = gettext("Allows changing any user property");
5691 break;
5692 case ZFS_DELEG_NOTE_USERQUOTA:
5693 str = gettext("Allows accessing any userquota@... property");
5694 break;
5695 case ZFS_DELEG_NOTE_USERUSED:
5696 str = gettext("Allows reading any userused@... property");
5697 break;
1de321e6
JX		 5698 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5699 str = gettext("Allows accessing any userobjquota@... property");
5700 break;
5701 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5702 str = gettext("Allows accessing any \n\t\t\t\t"
5703 "groupobjquota@... property");
5704 break;
5705 case ZFS_DELEG_NOTE_GROUPOBJUSED:
5706 str = gettext("Allows reading any groupobjused@... property");
5707 break;
5708 case ZFS_DELEG_NOTE_USEROBJUSED:
5709 str = gettext("Allows reading any userobjused@... property");
5710 break;
9c5167d1
NF		 5711 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5712 str = gettext("Allows accessing any projectquota@... property");
5713 break;
5714 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
5715 str = gettext("Allows accessing any \n\t\t\t\t"
5716 "projectobjquota@... property");
5717 break;
5718 case ZFS_DELEG_NOTE_PROJECTUSED:
5719 str = gettext("Allows reading any projectused@... property");
5720 break;
5721 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5722 str = gettext("Allows accessing any \n\t\t\t\t"
5723 "projectobjused@... property");
5724 break;
0b7936d5
AS		 5725 /* other */
5726 default:
5727 str = "";
5728 }
5729
5730 return (str);
5731}
5732
5733struct allow_opts {
5734 boolean_t local;
5735 boolean_t descend;
5736 boolean_t user;
5737 boolean_t group;
5738 boolean_t everyone;
5739 boolean_t create;
5740 boolean_t set;
5741 boolean_t recursive; /* unallow only */
5742 boolean_t prt_usage;
5743
5744 boolean_t prt_perms;
5745 char *who;
5746 char *perms;
5747 const char *dataset;
5748};
5749
5750static inline int
5751prop_cmp(const void *a, const void *b)
5752{
5753 const char *str1 = *(const char **)a;
5754 const char *str2 = *(const char **)b;
5755 return (strcmp(str1, str2));
5756}
5757
5758static void
5759allow_usage(boolean_t un, boolean_t requested, const char *msg)
5760{
5761 const char *opt_desc[] = {
5762 "-h", gettext("show this help message and exit"),
5763 "-l", gettext("set permission locally"),
5764 "-d", gettext("set permission for descents"),
5765 "-u", gettext("set permission for user"),
5766 "-g", gettext("set permission for group"),
5767 "-e", gettext("set permission for everyone"),
5768 "-c", gettext("set create time permission"),
5769 "-s", gettext("define permission set"),
5770 /* unallow only */
5771 "-r", gettext("remove permissions recursively"),
5772 };
5773 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
5774 size_t allow_size = unallow_size - 2;
5775 const char *props[ZFS_NUM_PROPS];
5776 int i;
5777 size_t count = 0;
5778 FILE *fp = requested ? stdout : stderr;
5779 zprop_desc_t *pdtbl = zfs_prop_get_table();
5780 const char *fmt = gettext("%-16s %-14s\t%s\n");
5781
5782 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
5783 HELP_ALLOW));
5784 (void) fprintf(fp, gettext("Options:\n"));
010782be 5785 for (i = 0; i < (un ? unallow_size : allow_size); i += 2) {
5786 const char *opt = opt_desc[i];
5787 const char *optdsc = opt_desc[i + 1];
0b7936d5
AS		 5788 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
5789 }
5790
5791 (void) fprintf(fp, gettext("\nThe following permissions are "
5792 "supported:\n\n"));
5793 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
5794 gettext("NOTES"));
5795 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
5796 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
5797 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
5798 const char *perm_type = deleg_perm_type(perm_note);
5799 const char *perm_comment = deleg_perm_comment(perm_note);
5800 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
5801 }
5802
5803 for (i = 0; i < ZFS_NUM_PROPS; i++) {
5804 zprop_desc_t *pd = &pdtbl[i];
5805 if (pd->pd_visible != B_TRUE)
5806 continue;
5807
5808 if (pd->pd_attr == PROP_READONLY)
5809 continue;
5810
5811 props[count++] = pd->pd_name;
5812 }
5813 props[count] = NULL;
5814
5815 qsort(props, count, sizeof (char *), prop_cmp);
5816
5817 for (i = 0; i < count; i++)
5818 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
5819
5820 if (msg != NULL)
5821 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
5822
5823 exit(requested ? 0 : 2);
5824}
5825
5826static inline const char *
5827munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
5828 char **permsp)
5829{
5830 if (un && argc == expected_argc - 1)
5831 *permsp = NULL;
5832 else if (argc == expected_argc)
5833 *permsp = argv[argc - 2];
5834 else
5835 allow_usage(un, B_FALSE,
5836 gettext("wrong number of parameters\n"));
5837
5838 return (argv[argc - 1]);
5839}
5840
5841static void
5842parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
5843{
5844 int uge_sum = opts->user + opts->group + opts->everyone;
5845 int csuge_sum = opts->create + opts->set + uge_sum;
5846 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
5847 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
5848
5849 if (uge_sum > 1)
5850 allow_usage(un, B_FALSE,
5851 gettext("-u, -g, and -e are mutually exclusive\n"));
5852
5853 if (opts->prt_usage) {
5854 if (argc == 0 && all_sum == 0)
5855 allow_usage(un, B_TRUE, NULL);
5856 else
5857 usage(B_FALSE);
5858 }
5859
5860 if (opts->set) {
5861 if (csuge_sum > 1)
5862 allow_usage(un, B_FALSE,
5863 gettext("invalid options combined with -s\n"));
5864
5865 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5866 if (argv[0][0] != '@')
5867 allow_usage(un, B_FALSE,
5868 gettext("invalid set name: missing '@' prefix\n"));
5869 opts->who = argv[0];
5870 } else if (opts->create) {
5871 if (ldcsuge_sum > 1)
5872 allow_usage(un, B_FALSE,
5873 gettext("invalid options combined with -c\n"));
5874 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5875 } else if (opts->everyone) {
5876 if (csuge_sum > 1)
5877 allow_usage(un, B_FALSE,
5878 gettext("invalid options combined with -e\n"));
5879 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5880 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
5881 == 0) {
5882 opts->everyone = B_TRUE;
5883 argc--;
5884 argv++;
5885 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
79e72243 5886 } else if (argc == 1 && !un) {
0b7936d5
AS		 5887 opts->prt_perms = B_TRUE;
5888 opts->dataset = argv[argc-1];
5889 } else {
5890 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5891 opts->who = argv[0];
5892 }
5893
5894 if (!opts->local && !opts->descend) {
5895 opts->local = B_TRUE;
5896 opts->descend = B_TRUE;
5897 }
5898}
5899
5900static void
5901store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
5902 const char *who, char *perms, nvlist_t *top_nvl)
5903{
5904 int i;
5905 char ld[2] = { '\0', '\0' };
eca7b760 5906 char who_buf[MAXNAMELEN + 32];
648a09ad
BB		 5907 char base_type = '\0';
5908 char set_type = '\0';
0b7936d5
AS		 5909 nvlist_t *base_nvl = NULL;
5910 nvlist_t *set_nvl = NULL;
5911 nvlist_t *nvl;
5912
5913 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
5914 nomem();
5915 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
5916 nomem();
5917
5918 switch (type) {
5919 case ZFS_DELEG_NAMED_SET_SETS:
5920 case ZFS_DELEG_NAMED_SET:
5921 set_type = ZFS_DELEG_NAMED_SET_SETS;
5922 base_type = ZFS_DELEG_NAMED_SET;
5923 ld[0] = ZFS_DELEG_NA;
5924 break;
5925 case ZFS_DELEG_CREATE_SETS:
5926 case ZFS_DELEG_CREATE:
5927 set_type = ZFS_DELEG_CREATE_SETS;
5928 base_type = ZFS_DELEG_CREATE;
5929 ld[0] = ZFS_DELEG_NA;
5930 break;
5931 case ZFS_DELEG_USER_SETS:
5932 case ZFS_DELEG_USER:
5933 set_type = ZFS_DELEG_USER_SETS;
5934 base_type = ZFS_DELEG_USER;
5935 if (local)
5936 ld[0] = ZFS_DELEG_LOCAL;
5937 if (descend)
5938 ld[1] = ZFS_DELEG_DESCENDENT;
5939 break;
5940 case ZFS_DELEG_GROUP_SETS:
5941 case ZFS_DELEG_GROUP:
5942 set_type = ZFS_DELEG_GROUP_SETS;
5943 base_type = ZFS_DELEG_GROUP;
5944 if (local)
5945 ld[0] = ZFS_DELEG_LOCAL;
5946 if (descend)
5947 ld[1] = ZFS_DELEG_DESCENDENT;
5948 break;
5949 case ZFS_DELEG_EVERYONE_SETS:
5950 case ZFS_DELEG_EVERYONE:
5951 set_type = ZFS_DELEG_EVERYONE_SETS;
5952 base_type = ZFS_DELEG_EVERYONE;
5953 if (local)
5954 ld[0] = ZFS_DELEG_LOCAL;
5955 if (descend)
5956 ld[1] = ZFS_DELEG_DESCENDENT;
0b7936d5 5957 break;
648a09ad
BB		 5958
5959 default:
5960 assert(set_type != '\0' && base_type != '\0');
0b7936d5
AS		 5961 }
5962
5963 if (perms != NULL) {
5964 char *curr = perms;
5965 char *end = curr + strlen(perms);
5966
5967 while (curr < end) {
5968 char *delim = strchr(curr, ',');
5969 if (delim == NULL)
5970 delim = end;
5971 else
5972 *delim = '\0';
5973
5974 if (curr[0] == '@')
5975 nvl = set_nvl;
5976 else
5977 nvl = base_nvl;
5978
5979 (void) nvlist_add_boolean(nvl, curr);
5980 if (delim != end)
5981 *delim = ',';
5982 curr = delim + 1;
5983 }
5984
5985 for (i = 0; i < 2; i++) {
5986 char locality = ld[i];
5987 if (locality == 0)
5988 continue;
5989
5990 if (!nvlist_empty(base_nvl)) {
5991 if (who != NULL)
5992 (void) snprintf(who_buf,
5993 sizeof (who_buf), "%c%c$%s",
5994 base_type, locality, who);
5995 else
5996 (void) snprintf(who_buf,
5997 sizeof (who_buf), "%c%c$",
5998 base_type, locality);
5999
6000 (void) nvlist_add_nvlist(top_nvl, who_buf,
6001 base_nvl);
6002 }
6003
6004
6005 if (!nvlist_empty(set_nvl)) {
6006 if (who != NULL)
6007 (void) snprintf(who_buf,
6008 sizeof (who_buf), "%c%c$%s",
6009 set_type, locality, who);
6010 else
6011 (void) snprintf(who_buf,
6012 sizeof (who_buf), "%c%c$",
6013 set_type, locality);
6014
6015 (void) nvlist_add_nvlist(top_nvl, who_buf,
6016 set_nvl);
6017 }
6018 }
6019 } else {
6020 for (i = 0; i < 2; i++) {
6021 char locality = ld[i];
6022 if (locality == 0)
6023 continue;
6024
6025 if (who != NULL)
6026 (void) snprintf(who_buf, sizeof (who_buf),
6027 "%c%c$%s", base_type, locality, who);
6028 else
6029 (void) snprintf(who_buf, sizeof (who_buf),
6030 "%c%c$", base_type, locality);
6031 (void) nvlist_add_boolean(top_nvl, who_buf);
6032
6033 if (who != NULL)
6034 (void) snprintf(who_buf, sizeof (who_buf),
6035 "%c%c$%s", set_type, locality, who);
6036 else
6037 (void) snprintf(who_buf, sizeof (who_buf),
6038 "%c%c$", set_type, locality);
6039 (void) nvlist_add_boolean(top_nvl, who_buf);
6040 }
6041 }
6042}
6043
6044static int
6045construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
6046{
6047 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
6048 nomem();
6049
6050 if (opts->set) {
6051 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
6052 opts->descend, opts->who, opts->perms, *nvlp);
6053 } else if (opts->create) {
6054 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
6055 opts->descend, NULL, opts->perms, *nvlp);
6056 } else if (opts->everyone) {
6057 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
6058 opts->descend, NULL, opts->perms, *nvlp);
6059 } else {
6060 char *curr = opts->who;
6061 char *end = curr + strlen(curr);
6062
6063 while (curr < end) {
6064 const char *who;
4c069d34 6065 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 6066 char *endch;
6067 char *delim = strchr(curr, ',');
6068 char errbuf[256];
6069 char id[64];
6070 struct passwd *p = NULL;
6071 struct group *g = NULL;
6072
6073 uid_t rid;
6074 if (delim == NULL)
6075 delim = end;
6076 else
6077 *delim = '\0';
6078
6079 rid = (uid_t)strtol(curr, &endch, 0);
6080 if (opts->user) {
6081 who_type = ZFS_DELEG_USER;
6082 if (*endch != '\0')
6083 p = getpwnam(curr);
6084 else
6085 p = getpwuid(rid);
6086
6087 if (p != NULL)
6088 rid = p->pw_uid;
a8bd6dcf 6089 else if (*endch != '\0') {
6052060c
AH		 6090 (void) snprintf(errbuf, sizeof (errbuf),
6091 gettext("invalid user %s\n"), curr);
0b7936d5
AS		 6092 allow_usage(un, B_TRUE, errbuf);
6093 }
6094 } else if (opts->group) {
6095 who_type = ZFS_DELEG_GROUP;
6096 if (*endch != '\0')
6097 g = getgrnam(curr);
6098 else
6099 g = getgrgid(rid);
6100
6101 if (g != NULL)
6102 rid = g->gr_gid;
a8bd6dcf 6103 else if (*endch != '\0') {
6052060c
AH		 6104 (void) snprintf(errbuf, sizeof (errbuf),
6105 gettext("invalid group %s\n"),
6106 curr);
0b7936d5
AS		 6107 allow_usage(un, B_TRUE, errbuf);
6108 }
6109 } else {
6110 if (*endch != '\0') {
6111 p = getpwnam(curr);
6112 } else {
6113 p = getpwuid(rid);
6114 }
6115
6116 if (p == NULL) {
6117 if (*endch != '\0') {
6118 g = getgrnam(curr);
6119 } else {
6120 g = getgrgid(rid);
6121 }
6122 }
6123
6124 if (p != NULL) {
6125 who_type = ZFS_DELEG_USER;
6126 rid = p->pw_uid;
6127 } else if (g != NULL) {
6128 who_type = ZFS_DELEG_GROUP;
6129 rid = g->gr_gid;
6130 } else {
6052060c
AH		 6131 (void) snprintf(errbuf, sizeof (errbuf),
6132 gettext("invalid user/group %s\n"),
6133 curr);
0b7936d5
AS		 6134 allow_usage(un, B_TRUE, errbuf);
6135 }
6136 }
6137
6138 (void) sprintf(id, "%u", rid);
6139 who = id;
6140
6141 store_allow_perm(who_type, opts->local,
6142 opts->descend, who, opts->perms, *nvlp);
6143 curr = delim + 1;
6144 }
6145 }
6146
6147 return (0);
6148}
6149
6150static void
6151print_set_creat_perms(uu_avl_t *who_avl)
6152{
6153 const char *sc_title[] = {
6154 gettext("Permission sets:\n"),
6155 gettext("Create time permissions:\n"),
6156 NULL
6157 };
0b7936d5
AS		 6158 who_perm_node_t *who_node = NULL;
6159 int prev_weight = -1;
6160
6161 for (who_node = uu_avl_first(who_avl); who_node != NULL;
6162 who_node = uu_avl_next(who_avl, who_node)) {
6163 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6164 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6165 const char *who_name = who_node->who_perm.who_name;
6166 int weight = who_type2weight(who_type);
6167 boolean_t first = B_TRUE;
6168 deleg_perm_node_t *deleg_node;
6169
6170 if (prev_weight != weight) {
0238a975 6171 (void) printf("%s", sc_title[weight]);
0b7936d5
AS		 6172 prev_weight = weight;
6173 }
6174
6175 if (who_name == NULL || strnlen(who_name, 1) == 0)
6176 (void) printf("\t");
6177 else
6178 (void) printf("\t%s ", who_name);
6179
6180 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
6181 deleg_node = uu_avl_next(avl, deleg_node)) {
6182 if (first) {
6183 (void) printf("%s",
6184 deleg_node->dpn_perm.dp_name);
6185 first = B_FALSE;
6186 } else
6187 (void) printf(",%s",
6188 deleg_node->dpn_perm.dp_name);
6189 }
6190
6191 (void) printf("\n");
6192 }
6193}
34dc7c2f 6194
648a09ad 6195static void
0b7936d5
AS		 6196print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
6197 const char *title)
6198{
6199 who_perm_node_t *who_node = NULL;
6200 boolean_t prt_title = B_TRUE;
6201 uu_avl_walk_t *walk;
34dc7c2f 6202
0b7936d5
AS		 6203 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
6204 nomem();
34dc7c2f 6205
0b7936d5
AS		 6206 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
6207 const char *who_name = who_node->who_perm.who_name;
6208 const char *nice_who_name = who_node->who_perm.who_ug_name;
6209 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6210 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6211 char delim = ' ';
6212 deleg_perm_node_t *deleg_node;
6213 boolean_t prt_who = B_TRUE;
6214
6215 for (deleg_node = uu_avl_first(avl);
6216 deleg_node != NULL;
6217 deleg_node = uu_avl_next(avl, deleg_node)) {
6218 if (local != deleg_node->dpn_perm.dp_local ||
6219 descend != deleg_node->dpn_perm.dp_descend)
6220 continue;
6221
6222 if (prt_who) {
6223 const char *who = NULL;
6224 if (prt_title) {
6225 prt_title = B_FALSE;
29b35200 6226 (void) printf("%s", title);
0b7936d5
AS		 6227 }
6228
6229 switch (who_type) {
6230 case ZFS_DELEG_USER_SETS:
6231 case ZFS_DELEG_USER:
6232 who = gettext("user");
6233 if (nice_who_name)
6234 who_name = nice_who_name;
6235 break;
6236 case ZFS_DELEG_GROUP_SETS:
6237 case ZFS_DELEG_GROUP:
6238 who = gettext("group");
6239 if (nice_who_name)
6240 who_name = nice_who_name;
6241 break;
6242 case ZFS_DELEG_EVERYONE_SETS:
6243 case ZFS_DELEG_EVERYONE:
6244 who = gettext("everyone");
6245 who_name = NULL;
0b7936d5 6246 break;
648a09ad
BB		 6247
6248 default:
6249 assert(who != NULL);
0b7936d5
AS		 6250 }
6251
6252 prt_who = B_FALSE;
6253 if (who_name == NULL)
6254 (void) printf("\t%s", who);
6255 else
6256 (void) printf("\t%s %s", who, who_name);
34dc7c2f 6257 }
0b7936d5
AS		 6258
6259 (void) printf("%c%s", delim,
6260 deleg_node->dpn_perm.dp_name);
6261 delim = ',';
34dc7c2f 6262 }
34dc7c2f 6263
0b7936d5
AS		 6264 if (!prt_who)
6265 (void) printf("\n");
6266 }
428870ff 6267
0b7936d5
AS		 6268 uu_avl_walk_end(walk);
6269}
34dc7c2f 6270
0b7936d5
AS		 6271static void
6272print_fs_perms(fs_perm_set_t *fspset)
6273{
6274 fs_perm_node_t *node = NULL;
eca7b760 6275 char buf[MAXNAMELEN + 32];
0b7936d5
AS		 6276 const char *dsname = buf;
6277
6278 for (node = uu_list_first(fspset->fsps_list); node != NULL;
6279 node = uu_list_next(fspset->fsps_list, node)) {
6280 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
6281 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
6282 int left = 0;
6283
eca7b760 6284 (void) snprintf(buf, sizeof (buf),
0b7936d5
AS		 6285 gettext("---- Permissions on %s "),
6286 node->fspn_fsperm.fsp_name);
29b35200 6287 (void) printf("%s", dsname);
0b7936d5
AS		 6288 left = 70 - strlen(buf);
6289 while (left-- > 0)
6290 (void) printf("-");
6291 (void) printf("\n");
6292
6293 print_set_creat_perms(sc_avl);
6294 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
6295 gettext("Local permissions:\n"));
6296 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
6297 gettext("Descendent permissions:\n"));
6298 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
6299 gettext("Local+Descendent permissions:\n"));
428870ff 6300 }
0b7936d5 6301}
34dc7c2f 6302
0b7936d5
AS		 6303static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
6304
6305struct deleg_perms {
6306 boolean_t un;
6307 nvlist_t *nvl;
6308};
6309
6310static int
6311set_deleg_perms(zfs_handle_t *zhp, void *data)
6312{
6313 struct deleg_perms *perms = (struct deleg_perms *)data;
6314 zfs_type_t zfs_type = zfs_get_type(zhp);
6315
6316 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
6317 return (0);
6318
6319 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 6320}
6321
34dc7c2f 6322static int
0b7936d5 6323zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 6324{
0b7936d5
AS		 6325 zfs_handle_t *zhp;
6326 nvlist_t *perm_nvl = NULL;
6327 nvlist_t *update_perm_nvl = NULL;
6328 int error = 1;
6329 int c;
6330 struct allow_opts opts = { 0 };
34dc7c2f 6331
0b7936d5
AS		 6332 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
6333
6334 /* check opts */
6335 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 6336 switch (c) {
0b7936d5
AS		 6337 case 'l':
6338 opts.local = B_TRUE;
6339 break;
34dc7c2f 6340 case 'd':
0b7936d5 6341 opts.descend = B_TRUE;
34dc7c2f 6342 break;
0b7936d5
AS		 6343 case 'u':
6344 opts.user = B_TRUE;
428870ff 6345 break;
0b7936d5
AS		 6346 case 'g':
6347 opts.group = B_TRUE;
34dc7c2f 6348 break;
0b7936d5
AS		 6349 case 'e':
6350 opts.everyone = B_TRUE;
d164b209 6351 break;
0b7936d5
AS		 6352 case 's':
6353 opts.set = B_TRUE;
34dc7c2f 6354 break;
0b7936d5
AS		 6355 case 'c':
6356 opts.create = B_TRUE;
6357 break;
6358 case 'r':
6359 opts.recursive = B_TRUE;
34dc7c2f
BB		 6360 break;
6361 case ':':
6362 (void) fprintf(stderr, gettext("missing argument for "
6363 "'%c' option\n"), optopt);
6364 usage(B_FALSE);
6365 break;
0b7936d5
AS		 6366 case 'h':
6367 opts.prt_usage = B_TRUE;
6368 break;
34dc7c2f
BB		 6369 case '?':
6370 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6371 optopt);
6372 usage(B_FALSE);
6373 }
6374 }
6375
6376 argc -= optind;
6377 argv += optind;
6378
0b7936d5
AS		 6379 /* check arguments */
6380 parse_allow_args(argc, argv, un, &opts);
6381
6382 /* try to open the dataset */
684e8c06
AE		 6383 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
6384 ZFS_TYPE_VOLUME)) == NULL) {
6385 (void) fprintf(stderr, "Failed to open dataset: %s\n",
0b7936d5
AS		 6386 opts.dataset);
6387 return (-1);
34dc7c2f 6388 }
0b7936d5
AS		 6389
6390 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
6391 goto cleanup2;
6392
6393 fs_perm_set_init(&fs_perm_set);
6394 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
684e8c06 6395 (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
0b7936d5 6396 goto cleanup1;
34dc7c2f
BB		 6397 }
6398
0b7936d5
AS		 6399 if (opts.prt_perms)
6400 print_fs_perms(&fs_perm_set);
6401 else {
6402 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
6403 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
6404 goto cleanup0;
6405
6406 if (un && opts.recursive) {
6407 struct deleg_perms data = { un, update_perm_nvl };
baca06c2 6408 if (zfs_iter_filesystems_v2(zhp, 0, set_deleg_perms,
0b7936d5
AS		 6409 &data) != 0)
6410 goto cleanup0;
6411 }
34dc7c2f
BB		 6412 }
6413
0b7936d5 6414 error = 0;
34dc7c2f 6415
0b7936d5
AS		 6416cleanup0:
6417 nvlist_free(perm_nvl);
8a5fc748 6418 nvlist_free(update_perm_nvl);
0b7936d5
AS		 6419cleanup1:
6420 fs_perm_set_fini(&fs_perm_set);
6421cleanup2:
6422 zfs_close(zhp);
6423
6424 return (error);
6425}
6426
0b7936d5
AS		 6427static int
6428zfs_do_allow(int argc, char **argv)
6429{
6430 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
6431}
6432
0b7936d5
AS		 6433static int
6434zfs_do_unallow(int argc, char **argv)
6435{
6436 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 6437}
6438
45d1cae3
BB		 6439static int
6440zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
6441{
6442 int errors = 0;
6443 int i;
6444 const char *tag;
6445 boolean_t recursive = B_FALSE;
428870ff 6446 const char *opts = holding ? "rt" : "r";
45d1cae3 6447 int c;
45d1cae3
BB		 6448
6449 /* check options */
428870ff 6450 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 6451 switch (c) {
6452 case 'r':
6453 recursive = B_TRUE;
6454 break;
6455 case '?':
6456 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6457 optopt);
6458 usage(B_FALSE);
6459 }
6460 }
6461
6462 argc -= optind;
6463 argv += optind;
6464
6465 /* check number of arguments */
6466 if (argc < 2)
6467 usage(B_FALSE);
6468
6469 tag = argv[0];
6470 --argc;
6471 ++argv;
6472
428870ff
BB		 6473 if (holding && tag[0] == '.') {
6474 /* tags starting with '.' are reserved for libzfs */
6475 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
6476 usage(B_FALSE);
45d1cae3
BB		 6477 }
6478
6479 for (i = 0; i < argc; ++i) {
6480 zfs_handle_t *zhp;
eca7b760 6481 char parent[ZFS_MAX_DATASET_NAME_LEN];
45d1cae3
BB		 6482 const char *delim;
6483 char *path = argv[i];
6484
6485 delim = strchr(path, '@');
6486 if (delim == NULL) {
6487 (void) fprintf(stderr,
6488 gettext("'%s' is not a snapshot\n"), path);
6489 ++errors;
6490 continue;
6491 }
7584fbe8
RY		 6492 (void) strlcpy(parent, path, MIN(sizeof (parent),
6493 delim - path + 1));
45d1cae3
BB		 6494
6495 zhp = zfs_open(g_zfs, parent,
6496 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
6497 if (zhp == NULL) {
6498 ++errors;
6499 continue;
6500 }
428870ff 6501 if (holding) {
95fd54a1 6502 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
428870ff
BB		 6503 ++errors;
6504 } else {
6505 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
6506 ++errors;
6507 }
45d1cae3
BB		 6508 zfs_close(zhp);
6509 }
6510
6511 return (errors != 0);
6512}
6513
6514/*
428870ff 6515 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 6516 *
428870ff 6517 * -r Recursively hold
45d1cae3
BB		 6518 *
6519 * Apply a user-hold with the given tag to the list of snapshots.
6520 */
6521static int
6522zfs_do_hold(int argc, char **argv)
6523{
6524 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
6525}
6526
6527/*
6528 * zfs release [-r] <tag> <snap> ...
6529 *
428870ff 6530 * -r Recursively release
45d1cae3
BB		 6531 *
6532 * Release a user-hold with the given tag from the list of snapshots.
6533 */
6534static int
6535zfs_do_release(int argc, char **argv)
6536{
6537 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
6538}
6539
0b7936d5
AS		 6540typedef struct holds_cbdata {
6541 boolean_t cb_recursive;
6542 const char *cb_snapname;
6543 nvlist_t **cb_nvlp;
6544 size_t cb_max_namelen;
6545 size_t cb_max_taglen;
6546} holds_cbdata_t;
6547
1d2ddb9b 6548#define STRFTIME_FMT_STR "%a %b %e %H:%M %Y"
0b7936d5
AS		 6549#define DATETIME_BUF_LEN (32)
6550/*
6551 *
6552 */
6553static void
41715771
MT		 6554print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl,
6555 boolean_t parsable)
0b7936d5
AS		 6556{
6557 int i;
6558 nvpair_t *nvp = NULL;
a926aab9 6559 const char *const hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
0b7936d5
AS		 6560 const char *col;
6561
6562 if (!scripted) {
6563 for (i = 0; i < 3; i++) {
6564 col = gettext(hdr_cols[i]);
6565 if (i < 2)
6566 (void) printf("%-*s ", i ? tagwidth : nwidth,
6567 col);
6568 else
6569 (void) printf("%s\n", col);
6570 }
6571 }
6572
6573 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
d1807f16 6574 const char *zname = nvpair_name(nvp);
0b7936d5
AS		 6575 nvlist_t *nvl2;
6576 nvpair_t *nvp2 = NULL;
6577 (void) nvpair_value_nvlist(nvp, &nvl2);
6578 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
6579 char tsbuf[DATETIME_BUF_LEN];
dd66857d 6580 const char *tagname = nvpair_name(nvp2);
0b7936d5
AS		 6581 uint64_t val = 0;
6582 time_t time;
6583 struct tm t;
0b7936d5
AS		 6584
6585 (void) nvpair_value_uint64(nvp2, &val);
6586 time = (time_t)val;
6587 (void) localtime_r(&time, &t);
6588 (void) strftime(tsbuf, DATETIME_BUF_LEN,
6589 gettext(STRFTIME_FMT_STR), &t);
6590
6bc4a237 6591 if (scripted) {
41715771
MT		 6592 if (parsable) {
6593 (void) printf("%s\t%s\t%ld\n", zname,
6594 tagname, time);
6595 } else {
6596 (void) printf("%s\t%s\t%s\n", zname,
6597 tagname, tsbuf);
6598 }
6bc4a237 6599 } else {
41715771
MT		 6600 if (parsable) {
6601 (void) printf("%-*s %-*s %ld\n",
6602 nwidth, zname, tagwidth,
6603 tagname, time);
6604 } else {
6605 (void) printf("%-*s %-*s %s\n",
6606 nwidth, zname, tagwidth,
6607 tagname, tsbuf);
6608 }
6bc4a237 6609 }
0b7936d5
AS		 6610 }
6611 }
6612}
6613
6614/*
6615 * Generic callback function to list a dataset or snapshot.
6616 */
6617static int
6618holds_callback(zfs_handle_t *zhp, void *data)
6619{
6620 holds_cbdata_t *cbp = data;
6621 nvlist_t *top_nvl = *cbp->cb_nvlp;
6622 nvlist_t *nvl = NULL;
6623 nvpair_t *nvp = NULL;
6624 const char *zname = zfs_get_name(zhp);
eca7b760 6625 size_t znamelen = strlen(zname);
0b7936d5
AS		 6626
6627 if (cbp->cb_recursive) {
6628 const char *snapname;
6629 char *delim = strchr(zname, '@');
6630 if (delim == NULL)
6631 return (0);
6632
6633 snapname = delim + 1;
6634 if (strcmp(cbp->cb_snapname, snapname))
6635 return (0);
6636 }
6637
6638 if (zfs_get_holds(zhp, &nvl) != 0)
6639 return (-1);
6640
6641 if (znamelen > cbp->cb_max_namelen)
6642 cbp->cb_max_namelen = znamelen;
6643
6644 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
6645 const char *tag = nvpair_name(nvp);
eca7b760 6646 size_t taglen = strlen(tag);
0b7936d5
AS		 6647 if (taglen > cbp->cb_max_taglen)
6648 cbp->cb_max_taglen = taglen;
6649 }
6650
6651 return (nvlist_add_nvlist(top_nvl, zname, nvl));
6652}
6653
6654/*
41715771 6655 * zfs holds [-rHp] <snap> ...
0b7936d5 6656 *
a9d6270a 6657 * -r Lists holds that are set on the named snapshots recursively.
6658 * -H Scripted mode; elide headers and separate columns by tabs.
41715771 6659 * -p Display values in parsable (literal) format.
0b7936d5
AS		 6660 */
6661static int
6662zfs_do_holds(int argc, char **argv)
6663{
0b7936d5 6664 int c;
55d36e47 6665 boolean_t errors = B_FALSE;
0b7936d5
AS		 6666 boolean_t scripted = B_FALSE;
6667 boolean_t recursive = B_FALSE;
41715771 6668 boolean_t parsable = B_FALSE;
0b7936d5
AS		 6669
6670 int types = ZFS_TYPE_SNAPSHOT;
6671 holds_cbdata_t cb = { 0 };
6672
6673 int limit = 0;
ad60af8e 6674 int ret = 0;
0b7936d5
AS		 6675 int flags = 0;
6676
6677 /* check options */
41715771 6678 while ((c = getopt(argc, argv, "rHp")) != -1) {
0b7936d5
AS		 6679 switch (c) {
6680 case 'r':
6681 recursive = B_TRUE;
6682 break;
6683 case 'H':
6684 scripted = B_TRUE;
6685 break;
41715771
MT		 6686 case 'p':
6687 parsable = B_TRUE;
6688 break;
0b7936d5
AS		 6689 case '?':
6690 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6691 optopt);
6692 usage(B_FALSE);
6693 }
6694 }
6695
6696 if (recursive) {
6697 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
6698 flags |= ZFS_ITER_RECURSE;
6699 }
6700
6701 argc -= optind;
6702 argv += optind;
6703
6704 /* check number of arguments */
6705 if (argc < 1)
6706 usage(B_FALSE);
6707
55d36e47 6708 nvlist_t *nvl = fnvlist_alloc();
0b7936d5 6709
55d36e47 6710 for (int i = 0; i < argc; ++i) {
0b7936d5
AS		 6711 char *snapshot = argv[i];
6712 const char *delim;
6713 const char *snapname;
6714
6715 delim = strchr(snapshot, '@');
6716 if (delim == NULL) {
6717 (void) fprintf(stderr,
6718 gettext("'%s' is not a snapshot\n"), snapshot);
55d36e47 6719 errors = B_TRUE;
0b7936d5
AS		 6720 continue;
6721 }
6722 snapname = delim + 1;
6723 if (recursive)
6724 snapshot[delim - snapshot] = '\0';
6725
6726 cb.cb_recursive = recursive;
6727 cb.cb_snapname = snapname;
6728 cb.cb_nvlp = &nvl;
6729
6730 /*
6731 * 1. collect holds data, set format options
6732 */
2a70a090 6733 ret = zfs_for_each(1, argv + i, flags, types, NULL, NULL, limit,
0b7936d5
AS		 6734 holds_callback, &cb);
6735 if (ret != 0)
55d36e47 6736 errors = B_TRUE;
0b7936d5
AS		 6737 }
6738
6739 /*
6740 * 2. print holds data
6741 */
41715771
MT		 6742 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl,
6743 parsable);
0b7936d5
AS		 6744
6745 if (nvlist_empty(nvl))
42cb3819 6746 (void) fprintf(stderr, gettext("no datasets available\n"));
0b7936d5
AS		 6747
6748 nvlist_free(nvl);
6749
55d36e47 6750 return (errors);
0b7936d5
AS		 6751}
6752
34dc7c2f
BB		 6753#define CHECK_SPINNER 30
6754#define SPINNER_TIME 3 /* seconds */
a10d50f9
SR		 6755#define MOUNT_TIME 1 /* seconds */
6756
6757typedef struct get_all_state {
a100a195
US		 6758 char **ga_datasets;
6759 int ga_count;
a10d50f9
SR		 6760 boolean_t ga_verbose;
6761 get_all_cb_t *ga_cbp;
6762} get_all_state_t;
34dc7c2f
BB		 6763
6764static int
6765get_one_dataset(zfs_handle_t *zhp, void *data)
6766{
a926aab9 6767 static const char *const spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 6768 static int spinval = 0;
6769 static int spincheck = 0;
6770 static time_t last_spin_time = (time_t)0;
a10d50f9 6771 get_all_state_t *state = data;
34dc7c2f
BB		 6772 zfs_type_t type = zfs_get_type(zhp);
6773
a10d50f9 6774 if (state->ga_verbose) {
34dc7c2f
BB		 6775 if (--spincheck < 0) {
6776 time_t now = time(NULL);
6777 if (last_spin_time + SPINNER_TIME < now) {
428870ff 6778 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 6779 last_spin_time = now;
6780 }
6781 spincheck = CHECK_SPINNER;
6782 }
6783 }
6784
6785 /*
254255f7 6786 * Iterate over any nested datasets.
34dc7c2f 6787 */
baca06c2 6788 if (zfs_iter_filesystems_v2(zhp, 0, get_one_dataset, data) != 0) {
34dc7c2f
BB		 6789 zfs_close(zhp);
6790 return (1);
6791 }
6792
6793 /*
6794 * Skip any datasets whose type does not match.
6795 */
572e2857 6796 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 6797 zfs_close(zhp);
6798 return (0);
6799 }
a10d50f9
SR		 6800 libzfs_add_handle(state->ga_cbp, zhp);
6801 assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc);
34dc7c2f
BB		 6802
6803 return (0);
6804}
6805
a100a195
US		 6806static int
6807get_recursive_datasets(zfs_handle_t *zhp, void *data)
34dc7c2f 6808{
a100a195
US		 6809 get_all_state_t *state = data;
6810 int len = strlen(zfs_get_name(zhp));
6811 for (int i = 0; i < state->ga_count; ++i) {
6812 if (strcmp(state->ga_datasets[i], zfs_get_name(zhp)) == 0)
6813 return (get_one_dataset(zhp, data));
6814 else if ((strncmp(state->ga_datasets[i], zfs_get_name(zhp),
6815 len) == 0) && state->ga_datasets[i][len] == '/') {
6816 (void) zfs_iter_filesystems_v2(zhp, 0,
6817 get_recursive_datasets, data);
6818 }
6819 }
6820 zfs_close(zhp);
6821 return (0);
6822}
34dc7c2f 6823
a100a195
US		 6824static void
6825get_all_datasets(get_all_state_t *state)
6826{
6827 if (state->ga_verbose)
428870ff 6828 set_progress_header(gettext("Reading ZFS config"));
a100a195
US		 6829 if (state->ga_datasets == NULL)
6830 (void) zfs_iter_root(g_zfs, get_one_dataset, state);
6831 else
6832 (void) zfs_iter_root(g_zfs, get_recursive_datasets, state);
34dc7c2f 6833
a100a195 6834 if (state->ga_verbose)
428870ff 6835 finish_progress(gettext("done."));
34dc7c2f
BB		 6836}
6837
34dc7c2f
BB		 6838/*
6839 * Generic callback for sharing or mounting filesystems. Because the code is so
6840 * similar, we have a common function with an extra parameter to determine which
6841 * mode we are using.
6842 */
a10d50f9
SR		 6843typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t;
6844
6845typedef struct share_mount_state {
6846 share_mount_op_t sm_op;
6847 boolean_t sm_verbose;
6848 int sm_flags;
6849 char *sm_options;
b4d9a82f 6850 enum sa_protocol sm_proto; /* only valid for OP_SHARE */
a10d50f9
SR		 6851 pthread_mutex_t sm_lock; /* protects the remaining fields */
6852 uint_t sm_total; /* number of filesystems to process */
6853 uint_t sm_done; /* number of filesystems processed */
6854 int sm_status; /* -1 if any of the share/mount operations failed */
6855} share_mount_state_t;
34dc7c2f
BB		 6856
6857/*
6858 * Share or mount a dataset.
6859 */
6860static int
b4d9a82f 6861share_mount_one(zfs_handle_t *zhp, int op, int flags, enum sa_protocol protocol,
34dc7c2f
BB		 6862 boolean_t explicit, const char *options)
6863{
6864 char mountpoint[ZFS_MAXPROPLEN];
6865 char shareopts[ZFS_MAXPROPLEN];
6866 char smbshareopts[ZFS_MAXPROPLEN];
6867 const char *cmdname = op == OP_SHARE ? "share" : "mount";
6868 struct mnttab mnt;
6869 uint64_t zoned, canmount;
34dc7c2f
BB		 6870 boolean_t shared_nfs, shared_smb;
6871
572e2857 6872 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 6873
572e2857
BB		 6874 /*
6875 * Check to make sure we can mount/share this dataset. If we
6876 * are in the global zone and the filesystem is exported to a
6877 * local zone, or if we are in a local zone and the
6878 * filesystem is not exported, then it is an error.
6879 */
6880 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 6881
572e2857
BB		 6882 if (zoned && getzoneid() == GLOBAL_ZONEID) {
6883 if (!explicit)
6884 return (0);
34dc7c2f 6885
572e2857
BB		 6886 (void) fprintf(stderr, gettext("cannot %s '%s': "
6887 "dataset is exported to a local zone\n"), cmdname,
6888 zfs_get_name(zhp));
6889 return (1);
34dc7c2f 6890
572e2857
BB		 6891 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
6892 if (!explicit)
6893 return (0);
34dc7c2f 6894
572e2857
BB		 6895 (void) fprintf(stderr, gettext("cannot %s '%s': "
6896 "permission denied\n"), cmdname,
6897 zfs_get_name(zhp));
6898 return (1);
6899 }
34dc7c2f 6900
572e2857
BB		 6901 /*
6902 * Ignore any filesystems which don't apply to us. This
6903 * includes those with a legacy mountpoint, or those with
6904 * legacy share options.
6905 */
6906 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
6907 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
6908 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
6909 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
6910 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
6911 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
6912
6913 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
6914 strcmp(smbshareopts, "off") == 0) {
6915 if (!explicit)
6916 return (0);
34dc7c2f 6917
572e2857
BB		 6918 (void) fprintf(stderr, gettext("cannot share '%s': "
6919 "legacy share\n"), zfs_get_name(zhp));
76d04993
RM		 6920 (void) fprintf(stderr, gettext("use exports(5) or "
6921 "smb.conf(5) to share this filesystem, or set "
6922 "the sharenfs or sharesmb property\n"));
572e2857
BB		 6923 return (1);
6924 }
34dc7c2f 6925
572e2857
BB		 6926 /*
6927 * We cannot share or mount legacy filesystems. If the
6928 * shareopts is non-legacy but the mountpoint is legacy, we
6929 * treat it as a legacy share.
6930 */
6931 if (strcmp(mountpoint, "legacy") == 0) {
6932 if (!explicit)
6933 return (0);
34dc7c2f 6934
572e2857
BB		 6935 (void) fprintf(stderr, gettext("cannot %s '%s': "
6936 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
76d04993 6937 (void) fprintf(stderr, gettext("use %s(8) to "
572e2857
BB		 6938 "%s this filesystem\n"), cmdname, cmdname);
6939 return (1);
6940 }
34dc7c2f 6941
572e2857
BB		 6942 if (strcmp(mountpoint, "none") == 0) {
6943 if (!explicit)
6944 return (0);
34dc7c2f 6945
572e2857
BB		 6946 (void) fprintf(stderr, gettext("cannot %s '%s': no "
6947 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
6948 return (1);
6949 }
34dc7c2f 6950
572e2857
BB		 6951 /*
6952 * canmount explicit outcome
6953 * on no pass through
6954 * on yes pass through
6955 * off no return 0
6956 * off yes display error, return 1
6957 * noauto no return 0
6958 * noauto yes pass through
6959 */
6960 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
6961 if (canmount == ZFS_CANMOUNT_OFF) {
6962 if (!explicit)
6963 return (0);
6964
6965 (void) fprintf(stderr, gettext("cannot %s '%s': "
6966 "'canmount' property is set to 'off'\n"), cmdname,
6967 zfs_get_name(zhp));
6968 return (1);
6969 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
53c9d1d9
GW		 6970 /*
6971 * When performing a 'zfs mount -a', we skip any mounts for
6972 * datasets that have 'noauto' set. Sharing a dataset with
6973 * 'noauto' set is only allowed if it's mounted.
6974 */
6975 if (op == OP_MOUNT)
6976 return (0);
7bba1d40
DB		 6977 if (op == OP_SHARE && !zfs_is_mounted(zhp, NULL)) {
6978 /* also purge it from existing exports */
b4d9a82f 6979 zfs_unshare(zhp, mountpoint, NULL);
53c9d1d9 6980 return (0);
7bba1d40 6981 }
572e2857
BB		 6982 }
6983
1bf9a552
TC		 6984 /*
6985 * If this filesystem is encrypted and does not have
6986 * a loaded key, we can not mount it.
6987 */
6988 if ((flags & MS_CRYPT) == 0 &&
6989 zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF &&
6990 zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) ==
6991 ZFS_KEYSTATUS_UNAVAILABLE) {
6992 if (!explicit)
6993 return (0);
6994
6995 (void) fprintf(stderr, gettext("cannot %s '%s': "
6996 "encryption key not loaded\n"), cmdname, zfs_get_name(zhp));
6997 return (1);
6998 }
6999
47dfff3b
MA		 7000 /*
7001 * If this filesystem is inconsistent and has a receive resume
7002 * token, we can not mount it.
7003 */
7004 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) &&
7005 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
7006 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) {
7007 if (!explicit)
7008 return (0);
7009
7010 (void) fprintf(stderr, gettext("cannot %s '%s': "
7011 "Contains partially-completed state from "
c03f0470 7012 "\"zfs receive -s\", which can be resumed with "
47dfff3b
MA		 7013 "\"zfs send -t\"\n"),
7014 cmdname, zfs_get_name(zhp));
7015 return (1);
7016 }
7017
30af21b0
PD		 7018 if (zfs_prop_get_int(zhp, ZFS_PROP_REDACTED) && !(flags & MS_FORCE)) {
7019 if (!explicit)
7020 return (0);
7021
7022 (void) fprintf(stderr, gettext("cannot %s '%s': "
7023 "Dataset is not complete, was created by receiving "
7024 "a redacted zfs send stream.\n"), cmdname,
7025 zfs_get_name(zhp));
7026 return (1);
7027 }
7028
572e2857
BB		 7029 /*
7030 * At this point, we have verified that the mountpoint and/or
7031 * shareopts are appropriate for auto management. If the
7032 * filesystem is already mounted or shared, return (failing
7033 * for explicit requests); otherwise mount or share the
7034 * filesystem.
7035 */
7036 switch (op) {
b4d9a82f
AZ		 7037 case OP_SHARE: {
7038 enum sa_protocol prot[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
7039 shared_nfs = zfs_is_shared(zhp, NULL, prot);
7040 *prot = SA_PROTOCOL_SMB;
7041 shared_smb = zfs_is_shared(zhp, NULL, prot);
572e2857 7042
149e873a 7043 if ((shared_nfs && shared_smb) ||
648a09ad
BB		 7044 (shared_nfs && strcmp(shareopts, "on") == 0 &&
7045 strcmp(smbshareopts, "off") == 0) ||
7046 (shared_smb && strcmp(smbshareopts, "on") == 0 &&
7047 strcmp(shareopts, "off") == 0)) {
34dc7c2f
BB		 7048 if (!explicit)
7049 return (0);
7050
572e2857
BB		 7051 (void) fprintf(stderr, gettext("cannot share "
7052 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 7053 zfs_get_name(zhp));
7054 return (1);
34dc7c2f
BB		 7055 }
7056
572e2857 7057 if (!zfs_is_mounted(zhp, NULL) &&
b5256303 7058 zfs_mount(zhp, NULL, flags) != 0)
572e2857 7059 return (1);
34dc7c2f 7060
b4d9a82f
AZ		 7061 *prot = protocol;
7062 if (zfs_share(zhp, protocol == SA_NO_PROTOCOL ? NULL : prot))
572e2857 7063 return (1);
34dc7c2f 7064
b4d9a82f 7065 }
572e2857 7066 break;
34dc7c2f 7067
572e2857 7068 case OP_MOUNT:
a926aab9 7069 mnt.mnt_mntopts = (char *)(options ?: "");
34dc7c2f 7070
572e2857
BB		 7071 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
7072 zfs_is_mounted(zhp, NULL)) {
7073 if (!explicit)
7074 return (0);
34dc7c2f 7075
572e2857
BB		 7076 (void) fprintf(stderr, gettext("cannot mount "
7077 "'%s': filesystem already mounted\n"),
7078 zfs_get_name(zhp));
7079 return (1);
34dc7c2f 7080 }
572e2857 7081
d1b84da8 7082 if (zfs_mount(zhp, options, flags) != 0)
572e2857
BB		 7083 return (1);
7084 break;
7085 }
34dc7c2f 7086
34dc7c2f
BB		 7087 return (0);
7088}
7089
7090/*
7091 * Reports progress in the form "(current/total)". Not thread-safe.
7092 */
7093static void
7094report_mount_progress(int current, int total)
7095{
428870ff 7096 static time_t last_progress_time = 0;
34dc7c2f 7097 time_t now = time(NULL);
428870ff 7098 char info[32];
34dc7c2f 7099
34dc7c2f
BB		 7100 /* display header if we're here for the first time */
7101 if (current == 1) {
428870ff 7102 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 7103 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
7104 /* too soon to report again */
7105 return;
7106 }
7107
7108 last_progress_time = now;
7109
428870ff 7110 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 7111
428870ff
BB		 7112 if (current == total)
7113 finish_progress(info);
7114 else
7115 update_progress(info);
34dc7c2f
BB		 7116}
7117
a10d50f9
SR		 7118/*
7119 * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and
7120 * updates the progress meter.
7121 */
7122static int
7123share_mount_one_cb(zfs_handle_t *zhp, void *arg)
7124{
7125 share_mount_state_t *sms = arg;
7126 int ret;
7127
7128 ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto,
7129 B_FALSE, sms->sm_options);
7130
7131 pthread_mutex_lock(&sms->sm_lock);
7132 if (ret != 0)
7133 sms->sm_status = ret;
7134 sms->sm_done++;
7135 if (sms->sm_verbose)
7136 report_mount_progress(sms->sm_done, sms->sm_total);
7137 pthread_mutex_unlock(&sms->sm_lock);
7138 return (ret);
7139}
7140
34dc7c2f
BB		 7141static void
7142append_options(char *mntopts, char *newopts)
7143{
7144 int len = strlen(mntopts);
7145
7146 /* original length plus new string to append plus 1 for the comma */
7147 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
7148 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 7149 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 7150 "-o", MNT_LINE_MAX);
7151 usage(B_FALSE);
7152 }
7153
7154 if (*mntopts)
7155 mntopts[len++] = ',';
7156
7157 (void) strcpy(&mntopts[len], newopts);
7158}
7159
b4d9a82f
AZ		 7160static enum sa_protocol
7161sa_protocol_decode(const char *protocol)
7162{
7163 for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i)
7164 if (strcmp(protocol, sa_protocol_names[i]) == 0)
7165 return (i);
7166
7167 (void) fputs(gettext("share type must be one of: "), stderr);
7168 for (enum sa_protocol i = 0;
7169 i < ARRAY_SIZE(sa_protocol_names); ++i)
7170 (void) fprintf(stderr, "%s%s",
7171 i != 0 ? ", " : "", sa_protocol_names[i]);
7172 (void) fputc('\n', stderr);
7173 usage(B_FALSE);
7174}
7175
34dc7c2f
BB		 7176static int
7177share_mount(int op, int argc, char **argv)
7178{
7179 int do_all = 0;
a100a195 7180 int recursive = 0;
34dc7c2f
BB		 7181 boolean_t verbose = B_FALSE;
7182 int c, ret = 0;
7183 char *options = NULL;
572e2857 7184 int flags = 0;
34dc7c2f
BB		 7185
7186 /* check options */
a100a195 7187 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":aRlvo:Of" : "al"))
34dc7c2f
BB		 7188 != -1) {
7189 switch (c) {
7190 case 'a':
7191 do_all = 1;
7192 break;
a100a195
US		 7193 case 'R':
7194 recursive = 1;
7195 break;
34dc7c2f
BB		 7196 case 'v':
7197 verbose = B_TRUE;
7198 break;
b5256303
TC		 7199 case 'l':
7200 flags |= MS_CRYPT;
7201 break;
34dc7c2f
BB		 7202 case 'o':
7203 if (*optarg == '\0') {
7204 (void) fprintf(stderr, gettext("empty mount "
7205 "options (-o) specified\n"));
7206 usage(B_FALSE);
7207 }
7208
7209 if (options == NULL)
7210 options = safe_malloc(MNT_LINE_MAX + 1);
7211
7212 /* option validation is done later */
7213 append_options(options, optarg);
7214 break;
e18be9a6
SC		 7215 case 'O':
7216 flags |= MS_OVERLAY;
7217 break;
30af21b0
PD		 7218 case 'f':
7219 flags |= MS_FORCE;
7220 break;
34dc7c2f
BB		 7221 case ':':
7222 (void) fprintf(stderr, gettext("missing argument for "
7223 "'%c' option\n"), optopt);
7224 usage(B_FALSE);
7225 break;
7226 case '?':
7227 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7228 optopt);
7229 usage(B_FALSE);
7230 }
7231 }
7232
7233 argc -= optind;
7234 argv += optind;
7235
7236 /* check number of arguments */
a100a195 7237 if (do_all || recursive) {
b4d9a82f 7238 enum sa_protocol protocol = SA_NO_PROTOCOL;
34dc7c2f 7239
572e2857 7240 if (op == OP_SHARE && argc > 0) {
b4d9a82f 7241 protocol = sa_protocol_decode(argv[0]);
34dc7c2f
BB		 7242 argc--;
7243 argv++;
34dc7c2f
BB		 7244 }
7245
a100a195 7246 if (argc != 0 && do_all) {
34dc7c2f
BB		 7247 (void) fprintf(stderr, gettext("too many arguments\n"));
7248 usage(B_FALSE);
7249 }
7250
a100a195
US		 7251 if (argc == 0 && recursive) {
7252 (void) fprintf(stderr,
7253 gettext("no dataset provided\n"));
7254 usage(B_FALSE);
7255 }
7256
428870ff 7257 start_progress_timer();
a10d50f9 7258 get_all_cb_t cb = { 0 };
a100a195
US		 7259 get_all_state_t state = { 0 };
7260 if (argc == 0) {
7261 state.ga_datasets = NULL;
7262 state.ga_count = -1;
7263 } else {
7264 zfs_handle_t *zhp;
7265 for (int i = 0; i < argc; i++) {
7266 zhp = zfs_open(g_zfs, argv[i],
7267 ZFS_TYPE_FILESYSTEM);
7268 if (zhp == NULL)
7269 usage(B_FALSE);
7270 zfs_close(zhp);
7271 }
7272 state.ga_datasets = argv;
7273 state.ga_count = argc;
7274 }
7275 state.ga_verbose = verbose;
7276 state.ga_cbp = &cb;
7277 get_all_datasets(&state);
34dc7c2f 7278
a10d50f9 7279 if (cb.cb_used == 0) {
53352772 7280 free(options);
34dc7c2f 7281 return (0);
e2c292bb 7282 }
34dc7c2f 7283
a10d50f9
SR		 7284 share_mount_state_t share_mount_state = { 0 };
7285 share_mount_state.sm_op = op;
7286 share_mount_state.sm_verbose = verbose;
7287 share_mount_state.sm_flags = flags;
7288 share_mount_state.sm_options = options;
7289 share_mount_state.sm_proto = protocol;
7290 share_mount_state.sm_total = cb.cb_used;
7291 pthread_mutex_init(&share_mount_state.sm_lock, NULL);
34dc7c2f 7292
ede037cd 7293 /* For a 'zfs share -a' operation start with a clean slate. */
66670ba9
SL		 7294 if (op == OP_SHARE)
7295 zfs_truncate_shares(NULL);
ede037cd 7296
a10d50f9
SR		 7297 /*
7298 * libshare isn't mt-safe, so only do the operation in parallel
8e3c3ed1
TC		 7299 * if we're mounting. Additionally, the key-loading option must
7300 * be serialized so that we can prompt the user for their keys
7301 * in a consistent manner.
a10d50f9
SR		 7302 */
7303 zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used,
8e3c3ed1
TC		 7304 share_mount_one_cb, &share_mount_state,
7305 op == OP_MOUNT && !(flags & MS_CRYPT));
b4d9a82f 7306 zfs_commit_shares(NULL);
c15d36c6 7307
a10d50f9 7308 ret = share_mount_state.sm_status;
34dc7c2f 7309
a10d50f9
SR		 7310 for (int i = 0; i < cb.cb_used; i++)
7311 zfs_close(cb.cb_handles[i]);
7312 free(cb.cb_handles);
34dc7c2f 7313 } else if (argc == 0) {
53352772 7314 FILE *mnttab;
34dc7c2f
BB		 7315 struct mnttab entry;
7316
7317 if ((op == OP_SHARE) || (options != NULL)) {
7318 (void) fprintf(stderr, gettext("missing filesystem "
7319 "argument (specify -a for all)\n"));
7320 usage(B_FALSE);
7321 }
7322
7323 /*
79251738 7324 * When mount is given no arguments, go through
7325 * /proc/self/mounts and display any active ZFS mounts.
7326 * We hide any snapshots, since they are controlled
7327 * automatically.
34dc7c2f 7328 */
cbca6076 7329
53352772
AZ		 7330 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7331 free(options);
cbca6076 7332 return (ENOENT);
e2c292bb 7333 }
cbca6076 7334
53352772 7335 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7336 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
7337 strchr(entry.mnt_special, '@') != NULL)
7338 continue;
7339
7340 (void) printf("%-30s %s\n", entry.mnt_special,
7341 entry.mnt_mountp);
7342 }
7343
53352772 7344 (void) fclose(mnttab);
34dc7c2f
BB		 7345 } else {
7346 zfs_handle_t *zhp;
7347
34dc7c2f
BB		 7348 if (argc > 1) {
7349 (void) fprintf(stderr,
7350 gettext("too many arguments\n"));
7351 usage(B_FALSE);
7352 }
7353
572e2857
BB		 7354 if ((zhp = zfs_open(g_zfs, argv[0],
7355 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 7356 ret = 1;
7357 } else {
b4d9a82f
AZ		 7358 ret = share_mount_one(zhp, op, flags, SA_NO_PROTOCOL,
7359 B_TRUE, options);
7360 zfs_commit_shares(NULL);
34dc7c2f
BB		 7361 zfs_close(zhp);
7362 }
7363 }
7364
53352772 7365 free(options);
34dc7c2f
BB		 7366 return (ret);
7367}
7368
7369/*
b4d9a82f 7370 * zfs mount -a
34dc7c2f
BB		 7371 * zfs mount filesystem
7372 *
7373 * Mount all filesystems, or mount the given filesystem.
7374 */
7375static int
7376zfs_do_mount(int argc, char **argv)
7377{
7378 return (share_mount(OP_MOUNT, argc, argv));
7379}
7380
7381/*
428870ff 7382 * zfs share -a [nfs | smb]
34dc7c2f
BB		 7383 * zfs share filesystem
7384 *
7385 * Share all filesystems, or share the given filesystem.
7386 */
7387static int
7388zfs_do_share(int argc, char **argv)
7389{
7390 return (share_mount(OP_SHARE, argc, argv));
7391}
7392
7393typedef struct unshare_unmount_node {
7394 zfs_handle_t *un_zhp;
7395 char *un_mountp;
7396 uu_avl_node_t un_avlnode;
7397} unshare_unmount_node_t;
7398
34dc7c2f
BB		 7399static int
7400unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
7401{
f291fa65 7402 (void) unused;
34dc7c2f
BB		 7403 const unshare_unmount_node_t *l = larg;
7404 const unshare_unmount_node_t *r = rarg;
7405
7406 return (strcmp(l->un_mountp, r->un_mountp));
7407}
7408
7409/*
7410 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
46df7e6c
JS		 7411 * absolute path, find the entry /proc/self/mounts, verify that it's a
7412 * ZFS filesystem, and unmount it appropriately.
34dc7c2f
BB		 7413 */
7414static int
7415unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
7416{
7417 zfs_handle_t *zhp;
ad60af8e 7418 int ret = 0;
34dc7c2f
BB		 7419 struct stat64 statbuf;
7420 struct extmnttab entry;
7421 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
7422 ino_t path_inode;
7423
34dc7c2f
BB		 7424 /*
7425 * Search for the given (major,minor) pair in the mount table.
7426 */
cbca6076 7427
d31277ab 7428 if (getextmntent(path, &entry, &statbuf) != 0) {
34dc7c2f
BB		 7429 if (op == OP_SHARE) {
7430 (void) fprintf(stderr, gettext("cannot %s '%s': not "
7431 "currently mounted\n"), cmdname, path);
7432 return (1);
7433 }
79251738 7434 (void) fprintf(stderr, gettext("warning: %s not in"
7435 "/proc/self/mounts\n"), path);
34dc7c2f
BB		 7436 if ((ret = umount2(path, flags)) != 0)
7437 (void) fprintf(stderr, gettext("%s: %s\n"), path,
7438 strerror(errno));
7439 return (ret != 0);
7440 }
d31277ab 7441 path_inode = statbuf.st_ino;
34dc7c2f
BB		 7442
7443 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
7444 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
7445 "filesystem\n"), cmdname, path);
7446 return (1);
7447 }
7448
7449 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7450 ZFS_TYPE_FILESYSTEM)) == NULL)
7451 return (1);
7452
34dc7c2f 7453 ret = 1;
b128c09f
BB		 7454 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
7455 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
7456 cmdname, path, strerror(errno));
7457 goto out;
7458 } else if (statbuf.st_ino != path_inode) {
7459 (void) fprintf(stderr, gettext("cannot "
7460 "%s '%s': not a mountpoint\n"), cmdname, path);
7461 goto out;
7462 }
7463
34dc7c2f
BB		 7464 if (op == OP_SHARE) {
7465 char nfs_mnt_prop[ZFS_MAXPROPLEN];
7466 char smbshare_prop[ZFS_MAXPROPLEN];
7467
7468 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
7469 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
7470 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
7471 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
7472
7473 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7474 strcmp(smbshare_prop, "off") == 0) {
7475 (void) fprintf(stderr, gettext("cannot unshare "
7476 "'%s': legacy share\n"), path);
9a616b5d
BB		 7477 (void) fprintf(stderr, gettext("use exportfs(8) "
7478 "or smbcontrol(1) to unshare this filesystem\n"));
b4d9a82f 7479 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
34dc7c2f
BB		 7480 (void) fprintf(stderr, gettext("cannot unshare '%s': "
7481 "not currently shared\n"), path);
7482 } else {
b4d9a82f
AZ		 7483 ret = zfs_unshare(zhp, path, NULL);
7484 zfs_commit_shares(NULL);
34dc7c2f
BB		 7485 }
7486 } else {
7487 char mtpt_prop[ZFS_MAXPROPLEN];
7488
7489 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
7490 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
7491
b128c09f 7492 if (is_manual) {
34dc7c2f
BB		 7493 ret = zfs_unmount(zhp, NULL, flags);
7494 } else if (strcmp(mtpt_prop, "legacy") == 0) {
7495 (void) fprintf(stderr, gettext("cannot unmount "
7496 "'%s': legacy mountpoint\n"),
7497 zfs_get_name(zhp));
9a616b5d 7498 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 7499 "to unmount this filesystem\n"));
7500 } else {
7501 ret = zfs_unmountall(zhp, flags);
7502 }
7503 }
7504
b128c09f 7505out:
34dc7c2f
BB		 7506 zfs_close(zhp);
7507
7508 return (ret != 0);
7509}
7510
7511/*
7512 * Generic callback for unsharing or unmounting a filesystem.
7513 */
7514static int
7515unshare_unmount(int op, int argc, char **argv)
7516{
7517 int do_all = 0;
7518 int flags = 0;
7519 int ret = 0;
572e2857 7520 int c;
34dc7c2f 7521 zfs_handle_t *zhp;
428870ff 7522 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 7523 char sharesmb[ZFS_MAXPROPLEN];
7524
7525 /* check options */
765d1f06 7526 while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "afu")) != -1) {
34dc7c2f
BB		 7527 switch (c) {
7528 case 'a':
7529 do_all = 1;
7530 break;
7531 case 'f':
765d1f06
TC		 7532 flags |= MS_FORCE;
7533 break;
7534 case 'u':
7535 flags |= MS_CRYPT;
34dc7c2f 7536 break;
2f71caf2 7537 case ':':
7538 (void) fprintf(stderr, gettext("missing argument for "
7539 "'%c' option\n"), optopt);
7540 usage(B_FALSE);
7541 break;
34dc7c2f
BB		 7542 case '?':
7543 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7544 optopt);
7545 usage(B_FALSE);
7546 }
7547 }
7548
7549 argc -= optind;
7550 argv += optind;
7551
7552 if (do_all) {
7553 /*
7554 * We could make use of zfs_for_each() to walk all datasets in
7555 * the system, but this would be very inefficient, especially
79251738 7556 * since we would have to linearly search /proc/self/mounts for
7557 * each one. Instead, do one pass through /proc/self/mounts
7558 * looking for zfs entries and call zfs_unmount() for each one.
34dc7c2f
BB		 7559 *
7560 * Things get a little tricky if the administrator has created
7561 * mountpoints beneath other ZFS filesystems. In this case, we
7562 * have to unmount the deepest filesystems first. To accomplish
7563 * this, we place all the mountpoints in an AVL tree sorted by
7564 * the special type (dataset name), and walk the result in
7565 * reverse to make sure to get any snapshots first.
7566 */
53352772 7567 FILE *mnttab;
34dc7c2f
BB		 7568 struct mnttab entry;
7569 uu_avl_pool_t *pool;
149e873a 7570 uu_avl_t *tree = NULL;
34dc7c2f
BB		 7571 unshare_unmount_node_t *node;
7572 uu_avl_index_t idx;
7573 uu_avl_walk_t *walk;
b4d9a82f
AZ		 7574 enum sa_protocol *protocol = NULL,
7575 single_protocol[] = {SA_NO_PROTOCOL, SA_NO_PROTOCOL};
2f71caf2 7576
7577 if (op == OP_SHARE && argc > 0) {
b4d9a82f
AZ		 7578 *single_protocol = sa_protocol_decode(argv[0]);
7579 protocol = single_protocol;
2f71caf2 7580 argc--;
7581 argv++;
7582 }
34dc7c2f
BB		 7583
7584 if (argc != 0) {
7585 (void) fprintf(stderr, gettext("too many arguments\n"));
7586 usage(B_FALSE);
7587 }
7588
428870ff 7589 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 7590 sizeof (unshare_unmount_node_t),
7591 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 7592 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
7593 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
7594 nomem();
34dc7c2f 7595
ebe1d036
RY		 7596 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7597 uu_avl_destroy(tree);
7598 uu_avl_pool_destroy(pool);
cbca6076 7599 return (ENOENT);
ebe1d036 7600 }
cbca6076 7601
53352772 7602 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7603
7604 /* ignore non-ZFS entries */
7605 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
7606 continue;
7607
7608 /* ignore snapshots */
7609 if (strchr(entry.mnt_special, '@') != NULL)
7610 continue;
7611
7612 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7613 ZFS_TYPE_FILESYSTEM)) == NULL) {
7614 ret = 1;
7615 continue;
7616 }
7617
d21d5b82
GDN		 7618 /*
7619 * Ignore datasets that are excluded/restricted by
7620 * parent pool name.
7621 */
7622 if (zpool_skip_pool(zfs_get_pool_name(zhp))) {
7623 zfs_close(zhp);
7624 continue;
7625 }
7626
34dc7c2f
BB		 7627 switch (op) {
7628 case OP_SHARE:
7629 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 7630 nfs_mnt_prop,
7631 sizeof (nfs_mnt_prop),
34dc7c2f 7632 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7633 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 7634 break;
7635 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 7636 nfs_mnt_prop,
7637 sizeof (nfs_mnt_prop),
34dc7c2f 7638 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7639 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 7640 continue;
7641 break;
7642 case OP_MOUNT:
7643 /* Ignore legacy mounts */
7644 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 7645 nfs_mnt_prop,
7646 sizeof (nfs_mnt_prop),
34dc7c2f 7647 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7648 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 7649 continue;
7650 /* Ignore canmount=noauto mounts */
7651 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
7652 ZFS_CANMOUNT_NOAUTO)
7653 continue;
6954c22f 7654 break;
34dc7c2f
BB		 7655 default:
7656 break;
7657 }
7658
7659 node = safe_malloc(sizeof (unshare_unmount_node_t));
7660 node->un_zhp = zhp;
428870ff 7661 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 7662
7663 uu_avl_node_init(node, &node->un_avlnode, pool);
7664
7665 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
7666 uu_avl_insert(tree, node, idx);
7667 } else {
7668 zfs_close(node->un_zhp);
7669 free(node->un_mountp);
7670 free(node);
7671 }
7672 }
53352772 7673 (void) fclose(mnttab);
34dc7c2f
BB		 7674
7675 /*
7676 * Walk the AVL tree in reverse, unmounting each filesystem and
7677 * removing it from the AVL tree in the process.
7678 */
7679 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 7680 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
7681 nomem();
34dc7c2f
BB		 7682
7683 while ((node = uu_avl_walk_next(walk)) != NULL) {
4bc72196 7684 const char *mntarg = NULL;
34dc7c2f 7685
4bc72196 7686 uu_avl_remove(tree, node);
34dc7c2f
BB		 7687 switch (op) {
7688 case OP_SHARE:
b4d9a82f 7689 if (zfs_unshare(node->un_zhp,
2f71caf2 7690 node->un_mountp, protocol) != 0)
34dc7c2f
BB		 7691 ret = 1;
7692 break;
7693
7694 case OP_MOUNT:
7695 if (zfs_unmount(node->un_zhp,
4bc72196 7696 mntarg, flags) != 0)
34dc7c2f
BB		 7697 ret = 1;
7698 break;
7699 }
7700
7701 zfs_close(node->un_zhp);
7702 free(node->un_mountp);
7703 free(node);
7704 }
7705
c15d36c6
GW		 7706 if (op == OP_SHARE)
7707 zfs_commit_shares(protocol);
7708
34dc7c2f
BB		 7709 uu_avl_walk_end(walk);
7710 uu_avl_destroy(tree);
7711 uu_avl_pool_destroy(pool);
7712
34dc7c2f
BB		 7713 } else {
7714 if (argc != 1) {
7715 if (argc == 0)
7716 (void) fprintf(stderr,
7717 gettext("missing filesystem argument\n"));
7718 else
7719 (void) fprintf(stderr,
7720 gettext("too many arguments\n"));
7721 usage(B_FALSE);
7722 }
7723
7724 /*
7725 * We have an argument, but it may be a full path or a ZFS
7726 * filesystem. Pass full paths off to unmount_path() (shared by
7727 * manual_unmount), otherwise open the filesystem and pass to
7728 * zfs_unmount().
7729 */
7730 if (argv[0][0] == '/')
7731 return (unshare_unmount_path(op, argv[0],
7732 flags, B_FALSE));
7733
572e2857
BB		 7734 if ((zhp = zfs_open(g_zfs, argv[0],
7735 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 7736 return (1);
7737
572e2857
BB		 7738 verify(zfs_prop_get(zhp, op == OP_SHARE ?
7739 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
7740 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
7741 NULL, 0, B_FALSE) == 0);
34dc7c2f 7742
572e2857
BB		 7743 switch (op) {
7744 case OP_SHARE:
7745 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
7746 nfs_mnt_prop,
7747 sizeof (nfs_mnt_prop),
7748 NULL, NULL, 0, B_FALSE) == 0);
7749 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
7750 sharesmb, sizeof (sharesmb), NULL, NULL,
7751 0, B_FALSE) == 0);
7752
7753 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7754 strcmp(sharesmb, "off") == 0) {
7755 (void) fprintf(stderr, gettext("cannot "
7756 "unshare '%s': legacy share\n"),
7757 zfs_get_name(zhp));
7758 (void) fprintf(stderr, gettext("use "
76d04993
RM		 7759 "exports(5) or smb.conf(5) to unshare "
7760 "this filesystem\n"));
572e2857 7761 ret = 1;
b4d9a82f 7762 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
572e2857
BB		 7763 (void) fprintf(stderr, gettext("cannot "
7764 "unshare '%s': not currently "
7765 "shared\n"), zfs_get_name(zhp));
7766 ret = 1;
b4d9a82f 7767 } else if (zfs_unshareall(zhp, NULL) != 0) {
572e2857
BB		 7768 ret = 1;
7769 }
7770 break;
34dc7c2f 7771
572e2857
BB		 7772 case OP_MOUNT:
7773 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
7774 (void) fprintf(stderr, gettext("cannot "
7775 "unmount '%s': legacy "
7776 "mountpoint\n"), zfs_get_name(zhp));
7777 (void) fprintf(stderr, gettext("use "
76d04993 7778 "umount(8) to unmount this "
572e2857
BB		 7779 "filesystem\n"));
7780 ret = 1;
7781 } else if (!zfs_is_mounted(zhp, NULL)) {
7782 (void) fprintf(stderr, gettext("cannot "
7783 "unmount '%s': not currently "
7784 "mounted\n"),
7785 zfs_get_name(zhp));
7786 ret = 1;
7787 } else if (zfs_unmountall(zhp, flags) != 0) {
7788 ret = 1;
34dc7c2f 7789 }
572e2857 7790 break;
34dc7c2f
BB		 7791 }
7792
7793 zfs_close(zhp);
7794 }
7795
7796 return (ret);
7797}
7798
7799/*
765d1f06
TC		 7800 * zfs unmount [-fu] -a
7801 * zfs unmount [-fu] filesystem
34dc7c2f
BB		 7802 *
7803 * Unmount all filesystems, or a specific ZFS filesystem.
7804 */
7805static int
7806zfs_do_unmount(int argc, char **argv)
7807{
7808 return (unshare_unmount(OP_MOUNT, argc, argv));
7809}
7810
7811/*
7812 * zfs unshare -a
7813 * zfs unshare filesystem
7814 *
7815 * Unshare all filesystems, or a specific ZFS filesystem.
7816 */
7817static int
7818zfs_do_unshare(int argc, char **argv)
7819{
7820 return (unshare_unmount(OP_SHARE, argc, argv));
7821}
7822
34dc7c2f 7823static int
a926aab9 7824find_command_idx(const char *command, int *idx)
34dc7c2f
BB		 7825{
7826 int i;
7827
7828 for (i = 0; i < NCOMMAND; i++) {
7829 if (command_table[i].name == NULL)
7830 continue;
7831
7832 if (strcmp(command, command_table[i].name) == 0) {
7833 *idx = i;
7834 return (0);
7835 }
7836 }
7837 return (1);
7838}
7839
572e2857
BB		 7840static int
7841zfs_do_diff(int argc, char **argv)
7842{
7843 zfs_handle_t *zhp;
7844 int flags = 0;
7845 char *tosnap = NULL;
7846 char *fromsnap = NULL;
7847 char *atp, *copy;
ad60af8e 7848 int err = 0;
572e2857 7849 int c;
2a15c00f 7850 struct sigaction sa;
572e2857 7851
344bbc82 7852 while ((c = getopt(argc, argv, "FHth")) != -1) {
572e2857
BB		 7853 switch (c) {
7854 case 'F':
7855 flags |= ZFS_DIFF_CLASSIFY;
7856 break;
7857 case 'H':
7858 flags |= ZFS_DIFF_PARSEABLE;
7859 break;
7860 case 't':
7861 flags |= ZFS_DIFF_TIMESTAMP;
7862 break;
344bbc82
AZ		 7863 case 'h':
7864 flags |= ZFS_DIFF_NO_MANGLE;
7865 break;
572e2857
BB		 7866 default:
7867 (void) fprintf(stderr,
7868 gettext("invalid option '%c'\n"), optopt);
7869 usage(B_FALSE);
7870 }
7871 }
7872
7873 argc -= optind;
7874 argv += optind;
7875
7876 if (argc < 1) {
7877 (void) fprintf(stderr,
a1d477c2 7878 gettext("must provide at least one snapshot name\n"));
572e2857
BB		 7879 usage(B_FALSE);
7880 }
7881
7882 if (argc > 2) {
7883 (void) fprintf(stderr, gettext("too many arguments\n"));
7884 usage(B_FALSE);
7885 }
7886
7887 fromsnap = argv[0];
7888 tosnap = (argc == 2) ? argv[1] : NULL;
7889
7890 copy = NULL;
7891 if (*fromsnap != '@')
7892 copy = strdup(fromsnap);
7893 else if (tosnap)
7894 copy = strdup(tosnap);
7895 if (copy == NULL)
7896 usage(B_FALSE);
7897
648a09ad 7898 if ((atp = strchr(copy, '@')) != NULL)
572e2857
BB		 7899 *atp = '\0';
7900
9ec0403d 7901 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) {
7902 free(copy);
572e2857 7903 return (1);
9ec0403d 7904 }
572e2857
BB		 7905 free(copy);
7906
7907 /*
7908 * Ignore SIGPIPE so that the library can give us
7909 * information on any failure
7910 */
2a15c00f
TK		 7911 if (sigemptyset(&sa.sa_mask) == -1) {
7912 err = errno;
7913 goto out;
7914 }
7915 sa.sa_flags = 0;
7916 sa.sa_handler = SIG_IGN;
7917 if (sigaction(SIGPIPE, &sa, NULL) == -1) {
7918 err = errno;
7919 goto out;
7920 }
572e2857
BB		 7921
7922 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
2a15c00f 7923out:
572e2857
BB		 7924 zfs_close(zhp);
7925
7926 return (err != 0);
7927}
7928
da536844 7929/*
a73f361f 7930 * zfs bookmark <fs@source>|<fs#source> <fs#bookmark>
da536844 7931 *
a73f361f
CS		 7932 * Creates a bookmark with the given name from the source snapshot
7933 * or creates a copy of an existing source bookmark.
da536844
MA		 7934 */
7935static int
7936zfs_do_bookmark(int argc, char **argv)
7937{
a73f361f
CS		 7938 char *source, *bookname;
7939 char expbuf[ZFS_MAX_DATASET_NAME_LEN];
7940 int source_type;
da536844
MA		 7941 nvlist_t *nvl;
7942 int ret = 0;
7943 int c;
7944
7945 /* check options */
7946 while ((c = getopt(argc, argv, "")) != -1) {
7947 switch (c) {
7948 case '?':
7949 (void) fprintf(stderr,
7950 gettext("invalid option '%c'\n"), optopt);
7951 goto usage;
7952 }
7953 }
7954
7955 argc -= optind;
7956 argv += optind;
7957
7958 /* check number of arguments */
7959 if (argc < 1) {
a73f361f 7960 (void) fprintf(stderr, gettext("missing source argument\n"));
da536844
MA		 7961 goto usage;
7962 }
7963 if (argc < 2) {
7964 (void) fprintf(stderr, gettext("missing bookmark argument\n"));
7965 goto usage;
7966 }
7967
a73f361f
CS		 7968 source = argv[0];
7969 bookname = argv[1];
7970
7971 if (strchr(source, '@') == NULL && strchr(source, '#') == NULL) {
4af6873a 7972 (void) fprintf(stderr,
a73f361f
CS		 7973 gettext("invalid source name '%s': "
7974 "must contain a '@' or '#'\n"), source);
4af6873a 7975 goto usage;
7976 }
a73f361f 7977 if (strchr(bookname, '#') == NULL) {
da536844 7978 (void) fprintf(stderr,
587e228a 7979 gettext("invalid bookmark name '%s': "
a73f361f 7980 "must contain a '#'\n"), bookname);
da536844
MA		 7981 goto usage;
7982 }
7983
a73f361f
CS		 7984 /*
7985 * expand source or bookname to full path:
7986 * one of them may be specified as short name
7987 */
7988 {
7989 char **expand;
7990 char *source_short, *bookname_short;
7991 source_short = strpbrk(source, "@#");
7992 bookname_short = strpbrk(bookname, "#");
7993 if (source_short == source &&
7994 bookname_short == bookname) {
7995 (void) fprintf(stderr, gettext(
7996 "either source or bookmark must be specified as "
7997 "full dataset paths"));
7998 goto usage;
7999 } else if (source_short != source &&
8000 bookname_short != bookname) {
8001 expand = NULL;
8002 } else if (source_short != source) {
8003 strlcpy(expbuf, source, sizeof (expbuf));
8004 expand = &bookname;
8005 } else if (bookname_short != bookname) {
8006 strlcpy(expbuf, bookname, sizeof (expbuf));
8007 expand = &source;
8008 } else {
8009 abort();
8010 }
8011 if (expand != NULL) {
8012 *strpbrk(expbuf, "@#") = '\0'; /* dataset name in buf */
8013 (void) strlcat(expbuf, *expand, sizeof (expbuf));
8014 *expand = expbuf;
8015 }
da536844 8016 }
a73f361f
CS		 8017
8018 /* determine source type */
8019 switch (*strpbrk(source, "@#")) {
8020 case '@': source_type = ZFS_TYPE_SNAPSHOT; break;
8021 case '#': source_type = ZFS_TYPE_BOOKMARK; break;
8022 default: abort();
587e228a 8023 }
8024
a73f361f
CS		 8025 /* test the source exists */
8026 zfs_handle_t *zhp;
8027 zhp = zfs_open(g_zfs, source, source_type);
da536844
MA		 8028 if (zhp == NULL)
8029 goto usage;
8030 zfs_close(zhp);
8031
da536844 8032 nvl = fnvlist_alloc();
a73f361f 8033 fnvlist_add_string(nvl, bookname, source);
da536844
MA		 8034 ret = lzc_bookmark(nvl, NULL);
8035 fnvlist_free(nvl);
8036
8037 if (ret != 0) {
b83a0e2d 8038 const char *err_msg = NULL;
da536844
MA		 8039 char errbuf[1024];
8040
8041 (void) snprintf(errbuf, sizeof (errbuf),
8042 dgettext(TEXT_DOMAIN,
587e228a 8043 "cannot create bookmark '%s'"), bookname);
da536844
MA		 8044
8045 switch (ret) {
8046 case EXDEV:
8047 err_msg = "bookmark is in a different pool";
8048 break;
a73f361f
CS		 8049 case ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR:
8050 err_msg = "source is not an ancestor of the "
8051 "new bookmark's dataset";
8052 break;
da536844
MA		 8053 case EEXIST:
8054 err_msg = "bookmark exists";
8055 break;
8056 case EINVAL:
8057 err_msg = "invalid argument";
8058 break;
8059 case ENOTSUP:
8060 err_msg = "bookmark feature not enabled";
8061 break;
3d45fdd6
MA		 8062 case ENOSPC:
8063 err_msg = "out of space";
8064 break;
587e228a 8065 case ENOENT:
8066 err_msg = "dataset does not exist";
8067 break;
da536844 8068 default:
b83a0e2d 8069 (void) zfs_standard_error(g_zfs, ret, errbuf);
da536844
MA		 8070 break;
8071 }
b83a0e2d
DB		 8072 if (err_msg != NULL) {
8073 (void) fprintf(stderr, "%s: %s\n", errbuf,
8074 dgettext(TEXT_DOMAIN, err_msg));
8075 }
da536844
MA		 8076 }
8077
3d45fdd6 8078 return (ret != 0);
da536844
MA		 8079
8080usage:
8081 usage(B_FALSE);
8082 return (-1);
8083}
8084
d99a0153
CW		 8085static int
8086zfs_do_channel_program(int argc, char **argv)
8087{
8088 int ret, fd, c;
d99a0153 8089 size_t progsize, progread;
b83a0e2d 8090 nvlist_t *outnvl = NULL;
d99a0153
CW		 8091 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT;
8092 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT;
272b5d73 8093 boolean_t sync_flag = B_TRUE, json_output = B_FALSE;
d99a0153
CW		 8094 zpool_handle_t *zhp;
8095
8096 /* check options */
272b5d73 8097 while ((c = getopt(argc, argv, "nt:m:j")) != -1) {
d99a0153
CW		 8098 switch (c) {
8099 case 't':
8100 case 'm': {
8101 uint64_t arg;
8102 char *endp;
8103
8104 errno = 0;
8105 arg = strtoull(optarg, &endp, 0);
8106 if (errno != 0 || *endp != '\0') {
8107 (void) fprintf(stderr, gettext(
8108 "invalid argument "
8109 "'%s': expected integer\n"), optarg);
8110 goto usage;
8111 }
8112
8113 if (c == 't') {
917f475f 8114 instrlimit = arg;
d99a0153
CW		 8115 } else {
8116 ASSERT3U(c, ==, 'm');
917f475f 8117 memlimit = arg;
d99a0153
CW		 8118 }
8119 break;
8120 }
5b72a38d
SD		 8121 case 'n': {
8122 sync_flag = B_FALSE;
8123 break;
8124 }
272b5d73
AP		 8125 case 'j': {
8126 json_output = B_TRUE;
8127 break;
8128 }
d99a0153
CW		 8129 case '?':
8130 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8131 optopt);
8132 goto usage;
8133 }
8134 }
8135
8136 argc -= optind;
8137 argv += optind;
8138
8139 if (argc < 2) {
8140 (void) fprintf(stderr,
8141 gettext("invalid number of arguments\n"));
8142 goto usage;
8143 }
8144
a926aab9
AZ		 8145 const char *poolname = argv[0];
8146 const char *filename = argv[1];
d99a0153
CW		 8147 if (strcmp(filename, "-") == 0) {
8148 fd = 0;
8149 filename = "standard input";
8150 } else if ((fd = open(filename, O_RDONLY)) < 0) {
8151 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"),
8152 filename, strerror(errno));
8153 return (1);
8154 }
8155
8156 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
62b2152e 8157 (void) fprintf(stderr, gettext("cannot open pool '%s'\n"),
d99a0153 8158 poolname);
cbce5813
DB		 8159 if (fd != 0)
8160 (void) close(fd);
d99a0153
CW		 8161 return (1);
8162 }
8163 zpool_close(zhp);
8164
8165 /*
8166 * Read in the channel program, expanding the program buffer as
8167 * necessary.
8168 */
8169 progread = 0;
8170 progsize = 1024;
a926aab9 8171 char *progbuf = safe_malloc(progsize);
d99a0153
CW		 8172 do {
8173 ret = read(fd, progbuf + progread, progsize - progread);
8174 progread += ret;
8175 if (progread == progsize && ret > 0) {
8176 progsize *= 2;
8177 progbuf = safe_realloc(progbuf, progsize);
8178 }
8179 } while (ret > 0);
8180
8181 if (fd != 0)
8182 (void) close(fd);
8183 if (ret < 0) {
8184 free(progbuf);
8185 (void) fprintf(stderr,
8186 gettext("cannot read '%s': %s\n"),
8187 filename, strerror(errno));
8188 return (1);
8189 }
8190 progbuf[progread] = '\0';
8191
8192 /*
8193 * Any remaining arguments are passed as arguments to the lua script as
8194 * a string array:
8195 * {
8196 * "argv" -> [ "arg 1", ... "arg n" ],
8197 * }
8198 */
8199 nvlist_t *argnvl = fnvlist_alloc();
795075e6
PD		 8200 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV,
8201 (const char **)argv + 2, argc - 2);
d99a0153 8202
5b72a38d
SD		 8203 if (sync_flag) {
8204 ret = lzc_channel_program(poolname, progbuf,
8205 instrlimit, memlimit, argnvl, &outnvl);
8206 } else {
8207 ret = lzc_channel_program_nosync(poolname, progbuf,
8208 instrlimit, memlimit, argnvl, &outnvl);
8209 }
d99a0153
CW		 8210
8211 if (ret != 0) {
8212 /*
8213 * On error, report the error message handed back by lua if one
8214 * exists. Otherwise, generate an appropriate error message,
8215 * falling back on strerror() for an unexpected return code.
8216 */
a926aab9 8217 const char *errstring = NULL;
b83a0e2d 8218 const char *msg = gettext("Channel program execution failed");
d99a0153 8219 uint64_t instructions = 0;
b83a0e2d 8220 if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) {
d1807f16 8221 const char *es = NULL;
d99a0153 8222 (void) nvlist_lookup_string(outnvl,
a926aab9
AZ		 8223 ZCP_RET_ERROR, &es);
8224 if (es == NULL)
d99a0153 8225 errstring = strerror(ret);
a926aab9
AZ		 8226 else
8227 errstring = es;
d99a0153
CW		 8228 if (ret == ETIME) {
8229 (void) nvlist_lookup_uint64(outnvl,
8230 ZCP_ARG_INSTRLIMIT, &instructions);
8231 }
8232 } else {
8233 switch (ret) {
8234 case EINVAL:
8235 errstring =
8236 "Invalid instruction or memory limit.";
8237 break;
8238 case ENOMEM:
8239 errstring = "Return value too large.";
8240 break;
8241 case ENOSPC:
8242 errstring = "Memory limit exhausted.";
8243 break;
8244 case ETIME:
8245 errstring = "Timed out.";
8246 break;
8247 case EPERM:
8248 errstring = "Permission denied. Channel "
8249 "programs must be run as root.";
8250 break;
8251 default:
b83a0e2d 8252 (void) zfs_standard_error(g_zfs, ret, msg);
d99a0153
CW		 8253 }
8254 }
b83a0e2d
DB		 8255 if (errstring != NULL)
8256 (void) fprintf(stderr, "%s:\n%s\n", msg, errstring);
8257
d99a0153 8258 if (ret == ETIME && instructions != 0)
272b5d73
AP		 8259 (void) fprintf(stderr,
8260 gettext("%llu Lua instructions\n"),
d99a0153
CW		 8261 (u_longlong_t)instructions);
8262 } else {
272b5d73
AP		 8263 if (json_output) {
8264 (void) nvlist_print_json(stdout, outnvl);
8265 } else if (nvlist_empty(outnvl)) {
8266 (void) fprintf(stdout, gettext("Channel program fully "
8267 "executed and did not produce output.\n"));
d99a0153 8268 } else {
272b5d73
AP		 8269 (void) fprintf(stdout, gettext("Channel program fully "
8270 "executed and produced output:\n"));
d99a0153
CW		 8271 dump_nvlist(outnvl, 4);
8272 }
8273 }
8274
8275 free(progbuf);
8276 fnvlist_free(outnvl);
8277 fnvlist_free(argnvl);
8278 return (ret != 0);
8279
8280usage:
8281 usage(B_FALSE);
8282 return (-1);
8283}
8284
8285
b5256303
TC		 8286typedef struct loadkey_cbdata {
8287 boolean_t cb_loadkey;
8288 boolean_t cb_recursive;
8289 boolean_t cb_noop;
8290 char *cb_keylocation;
8291 uint64_t cb_numfailed;
8292 uint64_t cb_numattempted;
8293} loadkey_cbdata_t;
8294
8295static int
8296load_key_callback(zfs_handle_t *zhp, void *data)
8297{
8298 int ret;
8299 boolean_t is_encroot;
8300 loadkey_cbdata_t *cb = data;
8301 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8302
8303 /*
8304 * If we are working recursively, we want to skip loading / unloading
8305 * keys for non-encryption roots and datasets whose keys are already
8306 * in the desired end-state.
8307 */
8308 if (cb->cb_recursive) {
8309 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL);
8310 if (ret != 0)
8311 return (ret);
8312 if (!is_encroot)
8313 return (0);
8314
8315 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) ||
8316 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE))
8317 return (0);
8318 }
8319
8320 cb->cb_numattempted++;
8321
8322 if (cb->cb_loadkey)
8323 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation);
8324 else
8325 ret = zfs_crypto_unload_key(zhp);
8326
8327 if (ret != 0) {
8328 cb->cb_numfailed++;
8329 return (ret);
8330 }
8331
8332 return (0);
8333}
8334
8335static int
8336load_unload_keys(int argc, char **argv, boolean_t loadkey)
8337{
8338 int c, ret = 0, flags = 0;
8339 boolean_t do_all = B_FALSE;
8340 loadkey_cbdata_t cb = { 0 };
8341
8342 cb.cb_loadkey = loadkey;
8343
8344 while ((c = getopt(argc, argv, "anrL:")) != -1) {
8345 /* noop and alternate keylocations only apply to zfs load-key */
8346 if (loadkey) {
8347 switch (c) {
8348 case 'n':
8349 cb.cb_noop = B_TRUE;
8350 continue;
8351 case 'L':
8352 cb.cb_keylocation = optarg;
8353 continue;
8354 default:
8355 break;
8356 }
8357 }
8358
8359 switch (c) {
8360 case 'a':
8361 do_all = B_TRUE;
8362 cb.cb_recursive = B_TRUE;
8363 break;
8364 case 'r':
8365 flags |= ZFS_ITER_RECURSE;
8366 cb.cb_recursive = B_TRUE;
8367 break;
8368 default:
8369 (void) fprintf(stderr,
8370 gettext("invalid option '%c'\n"), optopt);
8371 usage(B_FALSE);
8372 }
8373 }
8374
8375 argc -= optind;
8376 argv += optind;
8377
8378 if (!do_all && argc == 0) {
8379 (void) fprintf(stderr,
8380 gettext("Missing dataset argument or -a option\n"));
8381 usage(B_FALSE);
8382 }
8383
8384 if (do_all && argc != 0) {
8385 (void) fprintf(stderr,
8386 gettext("Cannot specify dataset with -a option\n"));
8387 usage(B_FALSE);
8388 }
8389
8390 if (cb.cb_recursive && cb.cb_keylocation != NULL &&
8391 strcmp(cb.cb_keylocation, "prompt") != 0) {
8392 (void) fprintf(stderr, gettext("alternate keylocation may only "
8393 "be 'prompt' with -r or -a\n"));
8394 usage(B_FALSE);
8395 }
8396
8397 ret = zfs_for_each(argc, argv, flags,
8398 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0,
8399 load_key_callback, &cb);
8400
8401 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) {
8402 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"),
8403 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed),
8404 (u_longlong_t)cb.cb_numattempted,
8405 loadkey ? (cb.cb_noop ? "verified" : "loaded") :
8406 "unloaded");
8407 }
8408
8409 if (cb.cb_numfailed != 0)
8410 ret = -1;
8411
8412 return (ret);
8413}
8414
8415static int
8416zfs_do_load_key(int argc, char **argv)
8417{
8418 return (load_unload_keys(argc, argv, B_TRUE));
8419}
8420
8421
8422static int
8423zfs_do_unload_key(int argc, char **argv)
8424{
8425 return (load_unload_keys(argc, argv, B_FALSE));
8426}
8427
8428static int
8429zfs_do_change_key(int argc, char **argv)
8430{
8431 int c, ret;
8432 uint64_t keystatus;
8433 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE;
8434 zfs_handle_t *zhp = NULL;
8435 nvlist_t *props = fnvlist_alloc();
8436
8437 while ((c = getopt(argc, argv, "lio:")) != -1) {
8438 switch (c) {
8439 case 'l':
8440 loadkey = B_TRUE;
8441 break;
8442 case 'i':
8443 inheritkey = B_TRUE;
8444 break;
8445 case 'o':
8446 if (!parseprop(props, optarg)) {
8447 nvlist_free(props);
8448 return (1);
8449 }
8450 break;
8451 default:
8452 (void) fprintf(stderr,
8453 gettext("invalid option '%c'\n"), optopt);
8454 usage(B_FALSE);
8455 }
8456 }
8457
8458 if (inheritkey && !nvlist_empty(props)) {
8459 (void) fprintf(stderr,
8460 gettext("Properties not allowed for inheriting\n"));
8461 usage(B_FALSE);
8462 }
8463
8464 argc -= optind;
8465 argv += optind;
8466
8467 if (argc < 1) {
8468 (void) fprintf(stderr, gettext("Missing dataset argument\n"));
8469 usage(B_FALSE);
8470 }
8471
8472 if (argc > 1) {
8473 (void) fprintf(stderr, gettext("Too many arguments\n"));
8474 usage(B_FALSE);
8475 }
8476
8477 zhp = zfs_open(g_zfs, argv[argc - 1],
8478 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
8479 if (zhp == NULL)
8480 usage(B_FALSE);
8481
8482 if (loadkey) {
8483 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8484 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) {
8485 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL);
4807c0ba
TC		 8486 if (ret != 0) {
8487 nvlist_free(props);
8488 zfs_close(zhp);
8489 return (-1);
8490 }
b5256303
TC		 8491 }
8492
4807c0ba 8493 /* refresh the properties so the new keystatus is visible */
b5256303
TC		 8494 zfs_refresh_properties(zhp);
8495 }
8496
8497 ret = zfs_crypto_rewrap(zhp, props, inheritkey);
4807c0ba
TC		 8498 if (ret != 0) {
8499 nvlist_free(props);
8500 zfs_close(zhp);
8501 return (-1);
8502 }
b5256303
TC		 8503
8504 nvlist_free(props);
8505 zfs_close(zhp);
8506 return (0);
b5256303
TC		 8507}
8508
9c5167d1
NF		 8509/*
8510 * 1) zfs project [-d|-r] <file|directory ...>
8511 * List project ID and inherit flag of file(s) or directories.
8512 * -d: List the directory itself, not its children.
8513 * -r: List subdirectories recursively.
8514 *
8515 * 2) zfs project -C [-k] [-r] <file|directory ...>
8516 * Clear project inherit flag and/or ID on the file(s) or directories.
8517 * -k: Keep the project ID unchanged. If not specified, the project ID
8518 * will be reset as zero.
8519 * -r: Clear on subdirectories recursively.
8520 *
8521 * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...>
8522 * Check project ID and inherit flag on the file(s) or directories,
8523 * report the outliers.
8524 * -0: Print file name followed by a NUL instead of newline.
8525 * -d: Check the directory itself, not its children.
8526 * -p: Specify the referenced ID for comparing with the target file(s)
8527 * or directories' project IDs. If not specified, the target (top)
8528 * directory's project ID will be used as the referenced one.
8529 * -r: Check subdirectories recursively.
8530 *
8531 * 4) zfs project [-p id] [-r] [-s] <file|directory ...>
8532 * Set project ID and/or inherit flag on the file(s) or directories.
8533 * -p: Set the project ID as the given id.
ad0b23b1 8534 * -r: Set on subdirectories recursively. If not specify "-p" option,
9c5167d1
NF		 8535 * it will use top-level directory's project ID as the given id,
8536 * then set both project ID and inherit flag on all descendants
8537 * of the top-level directory.
8538 * -s: Set project inherit flag.
8539 */
8540static int
8541zfs_do_project(int argc, char **argv)
8542{
8543 zfs_project_control_t zpc = {
8544 .zpc_expected_projid = ZFS_INVALID_PROJID,
8545 .zpc_op = ZFS_PROJECT_OP_DEFAULT,
8546 .zpc_dironly = B_FALSE,
8547 .zpc_keep_projid = B_FALSE,
8548 .zpc_newline = B_TRUE,
8549 .zpc_recursive = B_FALSE,
8550 .zpc_set_flag = B_FALSE,
8551 };
8552 int ret = 0, c;
8553
8554 if (argc < 2)
8555 usage(B_FALSE);
8556
8557 while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) {
8558 switch (c) {
8559 case '0':
8560 zpc.zpc_newline = B_FALSE;
8561 break;
8562 case 'C':
8563 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8564 (void) fprintf(stderr, gettext("cannot "
8565 "specify '-C' '-c' '-s' together\n"));
8566 usage(B_FALSE);
8567 }
8568
8569 zpc.zpc_op = ZFS_PROJECT_OP_CLEAR;
8570 break;
8571 case 'c':
8572 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8573 (void) fprintf(stderr, gettext("cannot "
8574 "specify '-C' '-c' '-s' together\n"));
8575 usage(B_FALSE);
8576 }
8577
8578 zpc.zpc_op = ZFS_PROJECT_OP_CHECK;
8579 break;
8580 case 'd':
8581 zpc.zpc_dironly = B_TRUE;
8582 /* overwrite "-r" option */
8583 zpc.zpc_recursive = B_FALSE;
8584 break;
8585 case 'k':
8586 zpc.zpc_keep_projid = B_TRUE;
8587 break;
8588 case 'p': {
8589 char *endptr;
8590
8591 errno = 0;
8592 zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0);
8593 if (errno != 0 || *endptr != '\0') {
8594 (void) fprintf(stderr,
8595 gettext("project ID must be less than "
8596 "%u\n"), UINT32_MAX);
8597 usage(B_FALSE);
8598 }
8599 if (zpc.zpc_expected_projid >= UINT32_MAX) {
8600 (void) fprintf(stderr,
8601 gettext("invalid project ID\n"));
8602 usage(B_FALSE);
8603 }
8604 break;
8605 }
8606 case 'r':
8607 zpc.zpc_recursive = B_TRUE;
8608 /* overwrite "-d" option */
8609 zpc.zpc_dironly = B_FALSE;
8610 break;
8611 case 's':
8612 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8613 (void) fprintf(stderr, gettext("cannot "
8614 "specify '-C' '-c' '-s' together\n"));
8615 usage(B_FALSE);
8616 }
8617
8618 zpc.zpc_set_flag = B_TRUE;
8619 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8620 break;
8621 default:
8622 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8623 optopt);
8624 usage(B_FALSE);
8625 }
8626 }
8627
8628 if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) {
8629 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID)
8630 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8631 else
8632 zpc.zpc_op = ZFS_PROJECT_OP_LIST;
8633 }
8634
8635 switch (zpc.zpc_op) {
8636 case ZFS_PROJECT_OP_LIST:
8637 if (zpc.zpc_keep_projid) {
8638 (void) fprintf(stderr,
8639 gettext("'-k' is only valid together with '-C'\n"));
8640 usage(B_FALSE);
8641 }
8642 if (!zpc.zpc_newline) {
8643 (void) fprintf(stderr,
8644 gettext("'-0' is only valid together with '-c'\n"));
8645 usage(B_FALSE);
8646 }
8647 break;
8648 case ZFS_PROJECT_OP_CHECK:
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 break;
8655 case ZFS_PROJECT_OP_CLEAR:
8656 if (zpc.zpc_dironly) {
8657 (void) fprintf(stderr,
8658 gettext("'-d' is useless together with '-C'\n"));
8659 usage(B_FALSE);
8660 }
8661 if (!zpc.zpc_newline) {
8662 (void) fprintf(stderr,
8663 gettext("'-0' is only valid together with '-c'\n"));
8664 usage(B_FALSE);
8665 }
8666 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) {
8667 (void) fprintf(stderr,
8668 gettext("'-p' is useless together with '-C'\n"));
8669 usage(B_FALSE);
8670 }
8671 break;
8672 case ZFS_PROJECT_OP_SET:
8673 if (zpc.zpc_dironly) {
8674 (void) fprintf(stderr,
8675 gettext("'-d' is useless for set project ID and/or "
8676 "inherit flag\n"));
8677 usage(B_FALSE);
8678 }
8679 if (zpc.zpc_keep_projid) {
8680 (void) fprintf(stderr,
8681 gettext("'-k' is only valid together with '-C'\n"));
8682 usage(B_FALSE);
8683 }
8684 if (!zpc.zpc_newline) {
8685 (void) fprintf(stderr,
8686 gettext("'-0' is only valid together with '-c'\n"));
8687 usage(B_FALSE);
8688 }
8689 break;
8690 default:
8691 ASSERT(0);
8692 break;
8693 }
8694
8695 argv += optind;
8696 argc -= optind;
8697 if (argc == 0) {
8698 (void) fprintf(stderr,
8699 gettext("missing file or directory target(s)\n"));
8700 usage(B_FALSE);
8701 }
8702
8703 for (int i = 0; i < argc; i++) {
8704 int err;
8705
8706 err = zfs_project_handle(argv[i], &zpc);
8707 if (err && !ret)
8708 ret = err;
8709 }
8710
8711 return (ret);
8712}
8713
5a42ef04
PD		 8714static int
8715zfs_do_wait(int argc, char **argv)
8716{
8717 boolean_t enabled[ZFS_WAIT_NUM_ACTIVITIES];
4ecd9637 8718 int error = 0, i;
fb188409 8719 int c;
5a42ef04
PD		 8720
8721 /* By default, wait for all types of activity. */
8722 for (i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++)
8723 enabled[i] = B_TRUE;
8724
8725 while ((c = getopt(argc, argv, "t:")) != -1) {
8726 switch (c) {
8727 case 't':
5a42ef04 8728 /* Reset activities array */
861166b0 8729 memset(&enabled, 0, sizeof (enabled));
5a42ef04 8730
15aca3ad
AZ		 8731 for (char *tok; (tok = strsep(&optarg, ",")); ) {
8732 static const char *const col_subopts[
8733 ZFS_WAIT_NUM_ACTIVITIES] = { "deleteq" };
5a42ef04 8734
15aca3ad
AZ		 8735 for (i = 0; i < ARRAY_SIZE(col_subopts); ++i)
8736 if (strcmp(tok, col_subopts[i]) == 0) {
8737 enabled[i] = B_TRUE;
8738 goto found;
8739 }
8740
8741 (void) fprintf(stderr,
8742 gettext("invalid activity '%s'\n"), tok);
8743 usage(B_FALSE);
8744found:;
5a42ef04
PD		 8745 }
8746 break;
5a42ef04
PD		 8747 case '?':
8748 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8749 optopt);
8750 usage(B_FALSE);
8751 }
8752 }
8753
8754 argv += optind;
8755 argc -= optind;
8756 if (argc < 1) {
8757 (void) fprintf(stderr, gettext("missing 'filesystem' "
8758 "argument\n"));
8759 usage(B_FALSE);
8760 }
8761 if (argc > 1) {
8762 (void) fprintf(stderr, gettext("too many arguments\n"));
8763 usage(B_FALSE);
8764 }
8765
8766 zfs_handle_t *zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM);
8767 if (zhp == NULL)
8768 return (1);
8769
8770 for (;;) {
8771 boolean_t missing = B_FALSE;
8772 boolean_t any_waited = B_FALSE;
8773
8774 for (int i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++) {
8775 boolean_t waited;
8776
8777 if (!enabled[i])
8778 continue;
8779
8780 error = zfs_wait_status(zhp, i, &missing, &waited);
8781 if (error != 0 || missing)
8782 break;
8783
8784 any_waited = (any_waited || waited);
8785 }
8786
8787 if (error != 0 || missing || !any_waited)
8788 break;
8789 }
8790
8791 zfs_close(zhp);
8792
8793 return (error);
8794}
8795
50478c6d
T		 8796/*
8797 * Display version message
8798 */
8799static int
8800zfs_do_version(int argc, char **argv)
8801{
f291fa65 8802 (void) argc, (void) argv;
2b4f2fc9 8803 return (zfs_version_print() != 0);
50478c6d
T		 8804}
8805
7228ba11
RN		 8806/* Display documentation */
8807static int
8808zfs_do_help(int argc, char **argv)
8809{
8810 char page[MAXNAMELEN];
8811 if (argc < 3 || strcmp(argv[2], "zfs") == 0)
8812 strcpy(page, "zfs");
8813 else if (strcmp(argv[2], "concepts") == 0 ||
8814 strcmp(argv[2], "props") == 0)
8815 snprintf(page, sizeof (page), "zfs%s", argv[2]);
8816 else
8817 snprintf(page, sizeof (page), "zfs-%s", argv[2]);
8818
8819 execlp("man", "man", page, NULL);
8820
8821 fprintf(stderr, "couldn't run man program: %s", strerror(errno));
8822 return (-1);
8823}
8824
34dc7c2f
BB		 8825int
8826main(int argc, char **argv)
8827{
ad60af8e 8828 int ret = 0;
d4ed6673 8829 int i = 0;
a926aab9 8830 const char *cmdname;
edc05fdb 8831 char **newargv;
34dc7c2f
BB		 8832
8833 (void) setlocale(LC_ALL, "");
c2c7ca0d 8834 (void) setlocale(LC_NUMERIC, "C");
34dc7c2f
BB		 8835 (void) textdomain(TEXT_DOMAIN);
8836
8837 opterr = 0;
8838
34dc7c2f 8839 /*
d53368f6 8840 * Make sure the user has specified some command.
34dc7c2f 8841 */
d53368f6
BB		 8842 if (argc < 2) {
8843 (void) fprintf(stderr, gettext("missing command\n"));
8844 usage(B_FALSE);
8845 }
34dc7c2f 8846
d53368f6 8847 cmdname = argv[1];
34dc7c2f 8848
d53368f6
BB		 8849 /*
8850 * The 'umount' command is an alias for 'unmount'
8851 */
8852 if (strcmp(cmdname, "umount") == 0)
8853 cmdname = "unmount";
34dc7c2f 8854
d53368f6
BB		 8855 /*
8856 * The 'recv' command is an alias for 'receive'
8857 */
8858 if (strcmp(cmdname, "recv") == 0)
8859 cmdname = "receive";
34dc7c2f 8860
10b75496
S		 8861 /*
8862 * The 'snap' command is an alias for 'snapshot'
8863 */
8864 if (strcmp(cmdname, "snap") == 0)
8865 cmdname = "snapshot";
8866
d53368f6
BB		 8867 /*
8868 * Special case '-?'
8869 */
8870 if ((strcmp(cmdname, "-?") == 0) ||
8871 (strcmp(cmdname, "--help") == 0))
8872 usage(B_TRUE);
34dc7c2f 8873
50478c6d
T		 8874 /*
8875 * Special case '-V|--version'
8876 */
8877 if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0))
8878 return (zfs_do_version(argc, argv));
8879
7228ba11
RN		 8880 /*
8881 * Special case 'help'
8882 */
8883 if (strcmp(cmdname, "help") == 0)
8884 return (zfs_do_help(argc, argv));
8885
65037d9b 8886 if ((g_zfs = libzfs_init()) == NULL) {
afc8f0a6 8887 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
d53368f6 8888 return (1);
65037d9b 8889 }
9b020fd9 8890
6f1ffb06 8891 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
9b020fd9 8892
d53368f6 8893 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 8894
19d39615
AH		 8895 zfs_setproctitle_init(argc, argv, environ);
8896
edc05fdb
D		 8897 /*
8898 * Many commands modify input strings for string parsing reasons.
8899 * We create a copy to protect the original argv.
8900 */
a3dcc0aa 8901 newargv = safe_malloc((argc + 1) * sizeof (newargv[0]));
edc05fdb
D		 8902 for (i = 0; i < argc; i++)
8903 newargv[i] = strdup(argv[i]);
8904 newargv[argc] = NULL;
8905
d53368f6
BB		 8906 /*
8907 * Run the appropriate command.
8908 */
e0730668 8909 libzfs_mnttab_cache(g_zfs, B_TRUE);
d53368f6
BB		 8910 if (find_command_idx(cmdname, &i) == 0) {
8911 current_command = &command_table[i];
edc05fdb 8912 ret = command_table[i].func(argc - 1, newargv + 1);
d53368f6
BB		 8913 } else if (strchr(cmdname, '=') != NULL) {
8914 verify(find_command_idx("set", &i) == 0);
8915 current_command = &command_table[i];
edc05fdb 8916 ret = command_table[i].func(argc, newargv);
d53368f6
BB		 8917 } else {
8918 (void) fprintf(stderr, gettext("unrecognized "
8919 "command '%s'\n"), cmdname);
8920 usage(B_FALSE);
8921 ret = 1;
34dc7c2f
BB		 8922 }
8923
edc05fdb
D		 8924 for (i = 0; i < argc; i++)
8925 free(newargv[i]);
8926 free(newargv);
8927
6f1ffb06
MA		 8928 if (ret == 0 && log_history)
8929 (void) zpool_log_history(g_zfs, history_str);
8930
fb8e608d
TC		 8931 libzfs_fini(g_zfs);
8932
34dc7c2f
BB		 8933 /*
8934 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
8935 * for the purposes of running ::findleaks.
8936 */
8937 if (getenv("ZFS_ABORT") != NULL) {
8938 (void) printf("dumping core by request\n");
8939 abort();
8940 }
8941
8942 return (ret);
8943}
4bc72196 8944
4ed5e250
WA		 8945/*
8946 * zfs zone nsfile filesystem
8947 *
8948 * Add or delete the given dataset to/from the namespace.
8949 */
8950#ifdef __linux__
8951static int
8952zfs_do_zone_impl(int argc, char **argv, boolean_t attach)
8953{
8954 zfs_handle_t *zhp;
8955 int ret;
8956
8957 if (argc < 3) {
8958 (void) fprintf(stderr, gettext("missing argument(s)\n"));
8959 usage(B_FALSE);
8960 }
8961 if (argc > 3) {
8962 (void) fprintf(stderr, gettext("too many arguments\n"));
8963 usage(B_FALSE);
8964 }
8965
8966 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
8967 if (zhp == NULL)
8968 return (1);
8969
8970 ret = (zfs_userns(zhp, argv[1], attach) != 0);
8971
8972 zfs_close(zhp);
8973 return (ret);
8974}
8975
8976static int
8977zfs_do_zone(int argc, char **argv)
8978{
8979 return (zfs_do_zone_impl(argc, argv, B_TRUE));
8980}
8981
8982static int
8983zfs_do_unzone(int argc, char **argv)
8984{
8985 return (zfs_do_zone_impl(argc, argv, B_FALSE));
8986}
8987#endif
8988
4bc72196
MM		 8989#ifdef __FreeBSD__
8990#include <sys/jail.h>
8991#include <jail.h>
8992/*
8993 * Attach/detach the given dataset to/from the given jail
8994 */
4bc72196
MM		 8995static int
8996zfs_do_jail_impl(int argc, char **argv, boolean_t attach)
8997{
8998 zfs_handle_t *zhp;
8999 int jailid, ret;
9000
9001 /* check number of arguments */
9002 if (argc < 3) {
9003 (void) fprintf(stderr, gettext("missing argument(s)\n"));
9004 usage(B_FALSE);
9005 }
9006 if (argc > 3) {
9007 (void) fprintf(stderr, gettext("too many arguments\n"));
9008 usage(B_FALSE);
9009 }
9010
9011 jailid = jail_getid(argv[1]);
9012 if (jailid < 0) {
9013 (void) fprintf(stderr, gettext("invalid jail id or name\n"));
9014 usage(B_FALSE);
9015 }
9016
9017 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
9018 if (zhp == NULL)
9019 return (1);
9020
9021 ret = (zfs_jail(zhp, jailid, attach) != 0);
9022
9023 zfs_close(zhp);
9024 return (ret);
9025}
9026
9027/*
9028 * zfs jail jailid filesystem
9029 *
9030 * Attach the given dataset to the given jail
9031 */
4bc72196
MM		 9032static int
9033zfs_do_jail(int argc, char **argv)
9034{
9035 return (zfs_do_jail_impl(argc, argv, B_TRUE));
9036}
9037
9038/*
9039 * zfs unjail jailid filesystem
9040 *
9041 * Detach the given dataset from the given jail
9042 */
4bc72196
MM		 9043static int
9044zfs_do_unjail(int argc, char **argv)
9045{
9046 return (zfs_do_jail_impl(argc, argv, B_FALSE));
9047}
9048#endif
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