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Add '-u' - nomount flag for zfs set
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34dc7c2f
BB		 1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
1d3ba0bf 9 * or https://opensource.org/licenses/CDDL-1.0.
34dc7c2f
BB		 10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
428870ff 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
196bee4c 24 * Copyright (c) 2011, 2020 by Delphix. All rights reserved.
cfe86c01 25 * Copyright 2012 Milan Jurik. All rights reserved.
37abac6d 26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
95fd54a1 27 * Copyright (c) 2013 Steven Hartland. All rights reserved.
648a09ad 28 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>.
d21d5b82 29 * Copyright 2016 Nexenta Systems, Inc.
4c0883fb 30 * Copyright (c) 2019 Datto Inc.
62b2152e 31 * Copyright (c) 2019, loli10K <ezomori.nozomu@gmail.com>
341166c8 32 * Copyright 2019 Joyent, Inc.
a73f361f 33 * Copyright (c) 2019, 2020 by Christian Schwarz. All rights reserved.
34dc7c2f
BB		 34 */
35
34dc7c2f
BB		 36#include <assert.h>
37#include <ctype.h>
30af21b0 38#include <sys/debug.h>
34dc7c2f 39#include <errno.h>
a7004725 40#include <getopt.h>
34dc7c2f
BB		 41#include <libgen.h>
42#include <libintl.h>
43#include <libuutil.h>
44#include <libnvpair.h>
45#include <locale.h>
46#include <stddef.h>
47#include <stdio.h>
48#include <stdlib.h>
d465fc58 49#include <string.h>
34dc7c2f
BB		 50#include <unistd.h>
51#include <fcntl.h>
52#include <zone.h>
9babb374
BB		 53#include <grp.h>
54#include <pwd.h>
757df529
AZ		 55#include <umem.h>
56#include <pthread.h>
572e2857 57#include <signal.h>
0b7936d5 58#include <sys/list.h>
34dc7c2f
BB		 59#include <sys/mkdev.h>
60#include <sys/mntent.h>
61#include <sys/mnttab.h>
62#include <sys/mount.h>
63#include <sys/stat.h>
9babb374 64#include <sys/fs/zfs.h>
46364cb2 65#include <sys/systeminfo.h>
428870ff
BB		 66#include <sys/types.h>
67#include <time.h>
9c5167d1 68#include <sys/zfs_project.h>
34dc7c2f
BB		 69
70#include <libzfs.h>
6f1ffb06 71#include <libzfs_core.h>
0b7936d5
AS		 72#include <zfs_prop.h>
73#include <zfs_deleg.h>
e89f1295 74#include <libzutil.h>
0b7936d5
AS		 75#ifdef HAVE_IDMAP
76#include <aclutils.h>
77#include <directory.h>
78#endif /* HAVE_IDMAP */
34dc7c2f
BB		 79
80#include "zfs_iter.h"
81#include "zfs_util.h"
428870ff 82#include "zfs_comutil.h"
9c5167d1 83#include "zfs_projectutil.h"
34dc7c2f
BB		 84
85libzfs_handle_t *g_zfs;
86
34dc7c2f 87static char history_str[HIS_MAX_RECORD_LEN];
6f1ffb06 88static boolean_t log_history = B_TRUE;
34dc7c2f
BB		 89
90static int zfs_do_clone(int argc, char **argv);
91static int zfs_do_create(int argc, char **argv);
92static int zfs_do_destroy(int argc, char **argv);
93static int zfs_do_get(int argc, char **argv);
94static int zfs_do_inherit(int argc, char **argv);
95static int zfs_do_list(int argc, char **argv);
96static int zfs_do_mount(int argc, char **argv);
97static int zfs_do_rename(int argc, char **argv);
98static int zfs_do_rollback(int argc, char **argv);
99static int zfs_do_set(int argc, char **argv);
100static int zfs_do_upgrade(int argc, char **argv);
101static int zfs_do_snapshot(int argc, char **argv);
102static int zfs_do_unmount(int argc, char **argv);
103static int zfs_do_share(int argc, char **argv);
104static int zfs_do_unshare(int argc, char **argv);
105static int zfs_do_send(int argc, char **argv);
106static int zfs_do_receive(int argc, char **argv);
107static int zfs_do_promote(int argc, char **argv);
9babb374 108static int zfs_do_userspace(int argc, char **argv);
0b7936d5
AS		 109static int zfs_do_allow(int argc, char **argv);
110static int zfs_do_unallow(int argc, char **argv);
45d1cae3 111static int zfs_do_hold(int argc, char **argv);
0b7936d5 112static int zfs_do_holds(int argc, char **argv);
45d1cae3 113static int zfs_do_release(int argc, char **argv);
572e2857 114static int zfs_do_diff(int argc, char **argv);
da536844 115static int zfs_do_bookmark(int argc, char **argv);
d99a0153 116static int zfs_do_channel_program(int argc, char **argv);
b5256303
TC		 117static int zfs_do_load_key(int argc, char **argv);
118static int zfs_do_unload_key(int argc, char **argv);
119static int zfs_do_change_key(int argc, char **argv);
9c5167d1 120static int zfs_do_project(int argc, char **argv);
50478c6d 121static int zfs_do_version(int argc, char **argv);
30af21b0 122static int zfs_do_redact(int argc, char **argv);
5a42ef04 123static int zfs_do_wait(int argc, char **argv);
34dc7c2f 124
4bc72196
MM		 125#ifdef __FreeBSD__
126static int zfs_do_jail(int argc, char **argv);
127static int zfs_do_unjail(int argc, char **argv);
128#endif
129
4ed5e250
WA		 130#ifdef __linux__
131static int zfs_do_zone(int argc, char **argv);
132static int zfs_do_unzone(int argc, char **argv);
133#endif
134
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"
30af21b0 312 "\tmount [-flvO] [-o opts] <-a | filesystem>\n"));
34dc7c2f
BB		 313 case HELP_PROMOTE:
314 return (gettext("\tpromote <clone-filesystem>\n"));
315 case HELP_RECEIVE:
a57d3d45 316 return (gettext("\treceive [-vMnsFhu] "
a3eeab2d 317 "[-o <property>=<value>] ... [-x <property>] ...\n"
318 "\t <filesystem|volume|snapshot>\n"
a57d3d45 319 "\treceive [-vMnsFhu] [-o <property>=<value>] ... "
a3eeab2d 320 "[-x <property>] ... \n"
321 "\t [-d | -e] <filesystem>\n"
47dfff3b 322 "\treceive -A <filesystem|volume>\n"));
34dc7c2f 323 case HELP_RENAME:
db49968e 324 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
34dc7c2f 325 "<filesystem|volume|snapshot>\n"
7b4e2723
RM		 326 "\trename -p [-f] <filesystem|volume> <filesystem|volume>\n"
327 "\trename -u [-f] <filesystem> <filesystem>\n"
da536844 328 "\trename -r <snapshot> <snapshot>\n"));
34dc7c2f
BB		 329 case HELP_ROLLBACK:
330 return (gettext("\trollback [-rRf] <snapshot>\n"));
331 case HELP_SEND:
19d39615 332 return (gettext("\tsend [-DLPbcehnpsVvw] "
6625262c
AZ		 333 "[-i|-I snapshot]\n"
334 "\t [-R [-X dataset[,dataset]...]] <snapshot>\n"
19d39615 335 "\tsend [-DnVvPLecw] [-i snapshot|bookmark] "
47dfff3b 336 "<filesystem|volume|snapshot>\n"
19d39615 337 "\tsend [-DnPpVvLec] [-i bookmark|snapshot] "
30af21b0 338 "--redact <bookmark> <snapshot>\n"
19d39615
AH		 339 "\tsend [-nVvPe] -t <receive_resume_token>\n"
340 "\tsend [-PnVv] --saved filesystem\n"));
34dc7c2f 341 case HELP_SET:
4e16964e 342 return (gettext("\tset [-u] <property=value> ... "
b128c09f 343 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f 344 case HELP_SHARE:
b5256303 345 return (gettext("\tshare [-l] <-a [nfs|smb] | filesystem>\n"));
34dc7c2f 346 case HELP_SNAPSHOT:
63f88c12 347 return (gettext("\tsnapshot [-r] [-o property=value] ... "
da536844 348 "<filesystem|volume>@<snap> ...\n"));
34dc7c2f 349 case HELP_UNMOUNT:
765d1f06 350 return (gettext("\tunmount [-fu] "
34dc7c2f
BB		 351 "<-a | filesystem|mountpoint>\n"));
352 case HELP_UNSHARE:
45d1cae3 353 return (gettext("\tunshare "
2f71caf2 354 "<-a [nfs|smb] | filesystem|mountpoint>\n"));
34dc7c2f 355 case HELP_ALLOW:
9babb374
BB		 356 return (gettext("\tallow <filesystem|volume>\n"
357 "\tallow [-ldug] "
34dc7c2f
BB		 358 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
359 "\t <filesystem|volume>\n"
360 "\tallow [-ld] -e <perm|@setname>[,...] "
361 "<filesystem|volume>\n"
362 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
363 "\tallow -s @setname <perm|@setname>[,...] "
364 "<filesystem|volume>\n"));
365 case HELP_UNALLOW:
366 return (gettext("\tunallow [-rldug] "
367 "<\"everyone\"|user|group>[,...]\n"
368 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
369 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
370 "<filesystem|volume>\n"
371 "\tunallow [-r] -c [<perm|@setname>[,...]] "
372 "<filesystem|volume>\n"
373 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
374 "<filesystem|volume>\n"));
9babb374 375 case HELP_USERSPACE:
5990da81 376 return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
da536844
MA		 377 "[-s field] ...\n"
378 "\t [-S field] ... [-t type[,...]] "
cf266775 379 "<filesystem|snapshot|path>\n"));
9babb374 380 case HELP_GROUPSPACE:
5990da81 381 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
da536844
MA		 382 "[-s field] ...\n"
383 "\t [-S field] ... [-t type[,...]] "
cf266775 384 "<filesystem|snapshot|path>\n"));
9c5167d1
NF		 385 case HELP_PROJECTSPACE:
386 return (gettext("\tprojectspace [-Hp] [-o field[,...]] "
387 "[-s field] ... \n"
cf266775 388 "\t [-S field] ... <filesystem|snapshot|path>\n"));
9c5167d1
NF		 389 case HELP_PROJECT:
390 return (gettext("\tproject [-d|-r] <directory|file ...>\n"
391 "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n"
392 "\tproject -C [-k] [-r] <directory ...>\n"
393 "\tproject [-p id] [-r] [-s] <directory ...>\n"));
45d1cae3
BB		 394 case HELP_HOLD:
395 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
396 case HELP_HOLDS:
41715771 397 return (gettext("\tholds [-rHp] <snapshot> ...\n"));
45d1cae3
BB		 398 case HELP_RELEASE:
399 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
572e2857 400 case HELP_DIFF:
3069872e 401 return (gettext("\tdiff [-FHth] <snapshot> "
572e2857 402 "[snapshot|filesystem]\n"));
da536844 403 case HELP_BOOKMARK:
a73f361f
CS		 404 return (gettext("\tbookmark <snapshot|bookmark> "
405 "<newbookmark>\n"));
d99a0153 406 case HELP_CHANNEL_PROGRAM:
272b5d73 407 return (gettext("\tprogram [-jn] [-t <instruction limit>] "
c568ab8d
MA		 408 "[-m <memory limit (b)>]\n"
409 "\t <pool> <program file> [lua args...]\n"));
b5256303
TC		 410 case HELP_LOAD_KEY:
411 return (gettext("\tload-key [-rn] [-L <keylocation>] "
412 "<-a | filesystem|volume>\n"));
413 case HELP_UNLOAD_KEY:
414 return (gettext("\tunload-key [-r] "
415 "<-a | filesystem|volume>\n"));
416 case HELP_CHANGE_KEY:
ae76f45c 417 return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n"
abe4fbfd 418 "\t [-o keylocation=<value>] [-o pbkdf2iters=<value>]\n"
b5256303
TC		 419 "\t <filesystem|volume>\n"
420 "\tchange-key -i [-l] <filesystem|volume>\n"));
50478c6d
T		 421 case HELP_VERSION:
422 return (gettext("\tversion\n"));
30af21b0
PD		 423 case HELP_REDACT:
424 return (gettext("\tredact <snapshot> <bookmark> "
a33cb7e0 425 "<redaction_snapshot> ...\n"));
4bc72196
MM		 426 case HELP_JAIL:
427 return (gettext("\tjail <jailid|jailname> <filesystem>\n"));
428 case HELP_UNJAIL:
429 return (gettext("\tunjail <jailid|jailname> <filesystem>\n"));
5a42ef04
PD		 430 case HELP_WAIT:
431 return (gettext("\twait [-t <activity>] <filesystem>\n"));
4ed5e250
WA		 432 case HELP_ZONE:
433 return (gettext("\tzone <nsfile> <filesystem>\n"));
434 case HELP_UNZONE:
435 return (gettext("\tunzone <nsfile> <filesystem>\n"));
90f1c3c9
AZ		 436 default:
437 __builtin_unreachable();
34dc7c2f 438 }
34dc7c2f
BB		 439}
440
428870ff
BB		 441void
442nomem(void)
443{
444 (void) fprintf(stderr, gettext("internal error: out of memory\n"));
445 exit(1);
446}
447
34dc7c2f
BB		 448/*
449 * Utility function to guarantee malloc() success.
450 */
428870ff 451
34dc7c2f
BB		 452void *
453safe_malloc(size_t size)
454{
455 void *data;
456
428870ff
BB		 457 if ((data = calloc(1, size)) == NULL)
458 nomem();
34dc7c2f
BB		 459
460 return (data);
461}
462
65c7cc49 463static void *
d99a0153
CW		 464safe_realloc(void *data, size_t size)
465{
466 void *newp;
467 if ((newp = realloc(data, size)) == NULL) {
468 free(data);
469 nomem();
470 }
471
472 return (newp);
473}
474
428870ff 475static char *
a926aab9 476safe_strdup(const char *str)
428870ff
BB		 477{
478 char *dupstr = strdup(str);
479
480 if (dupstr == NULL)
481 nomem();
482
483 return (dupstr);
484}
485
34dc7c2f
BB		 486/*
487 * Callback routine that will print out information for each of
488 * the properties.
489 */
490static int
491usage_prop_cb(int prop, void *cb)
492{
493 FILE *fp = cb;
494
b128c09f 495 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
34dc7c2f 496
b128c09f
BB		 497 if (zfs_prop_readonly(prop))
498 (void) fprintf(fp, " NO ");
34dc7c2f 499 else
b128c09f 500 (void) fprintf(fp, "YES ");
34dc7c2f
BB		 501
502 if (zfs_prop_inheritable(prop))
503 (void) fprintf(fp, " YES ");
504 else
505 (void) fprintf(fp, " NO ");
506
84a3eab6 507 (void) fprintf(fp, "%s\n", zfs_prop_values(prop) ?: "-");
34dc7c2f
BB		 508
509 return (ZPROP_CONT);
510}
511
512/*
513 * Display usage message. If we're inside a command, display only the usage for
514 * that command. Otherwise, iterate over the entire command table and display
515 * a complete usage message.
516 */
460748d4 517static __attribute__((noreturn)) void
34dc7c2f
BB		 518usage(boolean_t requested)
519{
520 int i;
521 boolean_t show_properties = B_FALSE;
34dc7c2f
BB		 522 FILE *fp = requested ? stdout : stderr;
523
524 if (current_command == NULL) {
525
526 (void) fprintf(fp, gettext("usage: zfs command args ...\n"));
527 (void) fprintf(fp,
528 gettext("where 'command' is one of the following:\n\n"));
529
530 for (i = 0; i < NCOMMAND; i++) {
531 if (command_table[i].name == NULL)
532 (void) fprintf(fp, "\n");
533 else
534 (void) fprintf(fp, "%s",
535 get_usage(command_table[i].usage));
536 }
537
538 (void) fprintf(fp, gettext("\nEach dataset is of the form: "
539 "pool/[dataset/]*dataset[@name]\n"));
540 } else {
541 (void) fprintf(fp, gettext("usage:\n"));
542 (void) fprintf(fp, "%s", get_usage(current_command->usage));
543 }
544
545 if (current_command != NULL &&
546 (strcmp(current_command->name, "set") == 0 ||
547 strcmp(current_command->name, "get") == 0 ||
548 strcmp(current_command->name, "inherit") == 0 ||
549 strcmp(current_command->name, "list") == 0))
550 show_properties = B_TRUE;
551
34dc7c2f 552 if (show_properties) {
3c1e1933 553 (void) fprintf(fp, "%s",
34dc7c2f
BB		 554 gettext("\nThe following properties are supported:\n"));
555
556 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
557 "PROPERTY", "EDIT", "INHERIT", "VALUES");
558
559 /* Iterate over all properties */
560 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
561 ZFS_TYPE_DATASET);
562
9babb374
BB		 563 (void) fprintf(fp, "\t%-15s ", "userused@...");
564 (void) fprintf(fp, " NO NO <size>\n");
565 (void) fprintf(fp, "\t%-15s ", "groupused@...");
566 (void) fprintf(fp, " NO NO <size>\n");
9c5167d1
NF		 567 (void) fprintf(fp, "\t%-15s ", "projectused@...");
568 (void) fprintf(fp, " NO NO <size>\n");
569 (void) fprintf(fp, "\t%-15s ", "userobjused@...");
570 (void) fprintf(fp, " NO NO <size>\n");
571 (void) fprintf(fp, "\t%-15s ", "groupobjused@...");
572 (void) fprintf(fp, " NO NO <size>\n");
573 (void) fprintf(fp, "\t%-15s ", "projectobjused@...");
574 (void) fprintf(fp, " NO NO <size>\n");
9babb374
BB		 575 (void) fprintf(fp, "\t%-15s ", "userquota@...");
576 (void) fprintf(fp, "YES NO <size> | none\n");
577 (void) fprintf(fp, "\t%-15s ", "groupquota@...");
578 (void) fprintf(fp, "YES NO <size> | none\n");
9c5167d1
NF		 579 (void) fprintf(fp, "\t%-15s ", "projectquota@...");
580 (void) fprintf(fp, "YES NO <size> | none\n");
581 (void) fprintf(fp, "\t%-15s ", "userobjquota@...");
582 (void) fprintf(fp, "YES NO <size> | none\n");
583 (void) fprintf(fp, "\t%-15s ", "groupobjquota@...");
584 (void) fprintf(fp, "YES NO <size> | none\n");
585 (void) fprintf(fp, "\t%-15s ", "projectobjquota@...");
586 (void) fprintf(fp, "YES NO <size> | none\n");
330d06f9
MA		 587 (void) fprintf(fp, "\t%-15s ", "written@<snap>");
588 (void) fprintf(fp, " NO NO <size>\n");
30af21b0
PD		 589 (void) fprintf(fp, "\t%-15s ", "written#<bookmark>");
590 (void) fprintf(fp, " NO NO <size>\n");
9babb374 591
34dc7c2f
BB		 592 (void) fprintf(fp, gettext("\nSizes are specified in bytes "
593 "with standard units such as K, M, G, etc.\n"));
63652e15
DS		 594 (void) fprintf(fp, "%s", gettext("\nUser-defined properties "
595 "can be specified by using a name containing a colon "
596 "(:).\n"));
9c5167d1
NF		 597 (void) fprintf(fp, gettext("\nThe {user|group|project}"
598 "[obj]{used|quota}@ properties must be appended with\n"
599 "a user|group|project specifier of one of these forms:\n"
9babb374
BB		 600 " POSIX name (eg: \"matt\")\n"
601 " POSIX id (eg: \"126829\")\n"
602 " SMB name@domain (eg: \"matt@sun\")\n"
603 " SMB SID (eg: \"S-1-234-567-89\")\n"));
34dc7c2f 604 } else {
34dc7c2f 605 (void) fprintf(fp,
fb5f0bc8
BB		 606 gettext("\nFor the property list, run: %s\n"),
607 "zfs set|get");
34dc7c2f 608 (void) fprintf(fp,
fb5f0bc8
BB		 609 gettext("\nFor the delegated permission list, run: %s\n"),
610 "zfs allow|unallow");
7228ba11
RN		 611 (void) fprintf(fp,
612 gettext("\nFor further help on a command or topic, "
613 "run: %s\n"), "zfs help [<topic>]");
34dc7c2f
BB		 614 }
615
616 /*
617 * See comments at end of main().
618 */
619 if (getenv("ZFS_ABORT") != NULL) {
620 (void) printf("dumping core by request\n");
621 abort();
622 }
623
624 exit(requested ? 0 : 2);
625}
626
23de906c
CW		 627/*
628 * Take a property=value argument string and add it to the given nvlist.
629 * Modifies the argument inplace.
630 */
a3eeab2d 631static boolean_t
23de906c 632parseprop(nvlist_t *props, char *propname)
b128c09f 633{
a3eeab2d 634 char *propval;
b128c09f
BB		 635
636 if ((propval = strchr(propname, '=')) == NULL) {
637 (void) fprintf(stderr, gettext("missing "
23de906c 638 "'=' for property=value argument\n"));
a3eeab2d 639 return (B_FALSE);
b128c09f
BB		 640 }
641 *propval = '\0';
642 propval++;
a3eeab2d 643 if (nvlist_exists(props, propname)) {
b128c09f
BB		 644 (void) fprintf(stderr, gettext("property '%s' "
645 "specified multiple times\n"), propname);
a3eeab2d 646 return (B_FALSE);
b128c09f 647 }
428870ff
BB		 648 if (nvlist_add_string(props, propname, propval) != 0)
649 nomem();
a3eeab2d 650 return (B_TRUE);
651}
652
653/*
654 * Take a property name argument and add it to the given nvlist.
655 * Modifies the argument inplace.
656 */
657static boolean_t
658parsepropname(nvlist_t *props, char *propname)
659{
660 if (strchr(propname, '=') != NULL) {
661 (void) fprintf(stderr, gettext("invalid character "
662 "'=' in property argument\n"));
663 return (B_FALSE);
664 }
665 if (nvlist_exists(props, propname)) {
666 (void) fprintf(stderr, gettext("property '%s' "
667 "specified multiple times\n"), propname);
668 return (B_FALSE);
669 }
670 if (nvlist_add_boolean(props, propname) != 0)
671 nomem();
672 return (B_TRUE);
b128c09f
BB		 673}
674
9babb374
BB		 675static int
676parse_depth(char *opt, int *flags)
677{
678 char *tmp;
679 int depth;
680
681 depth = (int)strtol(opt, &tmp, 0);
682 if (*tmp) {
683 (void) fprintf(stderr,
684 gettext("%s is not an integer\n"), optarg);
685 usage(B_FALSE);
686 }
687 if (depth < 0) {
688 (void) fprintf(stderr,
689 gettext("Depth can not be negative.\n"));
690 usage(B_FALSE);
691 }
692 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
693 return (depth);
694}
695
428870ff
BB		 696#define PROGRESS_DELAY 2 /* seconds */
697
a926aab9
AZ		 698static const char *pt_reverse =
699 "\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		 700static time_t pt_begin;
701static char *pt_header = NULL;
702static boolean_t pt_shown;
703
704static void
705start_progress_timer(void)
706{
707 pt_begin = time(NULL) + PROGRESS_DELAY;
708 pt_shown = B_FALSE;
709}
710
711static void
a926aab9 712set_progress_header(const char *header)
428870ff
BB		 713{
714 assert(pt_header == NULL);
715 pt_header = safe_strdup(header);
716 if (pt_shown) {
717 (void) printf("%s: ", header);
718 (void) fflush(stdout);
719 }
720}
721
722static void
a926aab9 723update_progress(const char *update)
428870ff
BB		 724{
725 if (!pt_shown && time(NULL) > pt_begin) {
726 int len = strlen(update);
727
728 (void) printf("%s: %s%*.*s", pt_header, update, len, len,
729 pt_reverse);
730 (void) fflush(stdout);
731 pt_shown = B_TRUE;
732 } else if (pt_shown) {
733 int len = strlen(update);
734
735 (void) printf("%s%*.*s", update, len, len, pt_reverse);
736 (void) fflush(stdout);
737 }
738}
739
740static void
a926aab9 741finish_progress(const char *done)
428870ff
BB		 742{
743 if (pt_shown) {
a926aab9 744 (void) puts(done);
428870ff
BB		 745 (void) fflush(stdout);
746 }
747 free(pt_header);
748 pt_header = NULL;
749}
d603ed6c 750
5d6a4603
BB		 751static int
752zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type)
753{
754 zfs_handle_t *zhp = NULL;
755 int ret = 0;
756
757 zhp = zfs_open(hdl, dataset, type);
758 if (zhp == NULL)
759 return (1);
760
761 /*
762 * Volumes may neither be mounted or shared. Potentially in the
763 * future filesystems detected on these volumes could be mounted.
764 */
765 if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) {
766 zfs_close(zhp);
767 return (0);
768 }
769
770 /*
771 * Mount and/or share the new filesystem as appropriate. We provide a
772 * verbose error message to let the user know that their filesystem was
773 * in fact created, even if we failed to mount or share it.
774 *
775 * If the user doesn't want the dataset automatically mounted, then
776 * skip the mount/share step
777 */
778 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) &&
779 zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) {
4bc72196 780 if (zfs_mount_delegation_check()) {
f74b821a
BB		 781 (void) fprintf(stderr, gettext("filesystem "
782 "successfully created, but it may only be "
783 "mounted by root\n"));
784 ret = 1;
785 } else if (zfs_mount(zhp, NULL, 0) != 0) {
5d6a4603
BB		 786 (void) fprintf(stderr, gettext("filesystem "
787 "successfully created, but not mounted\n"));
788 ret = 1;
b4d9a82f 789 } else if (zfs_share(zhp, NULL) != 0) {
5d6a4603
BB		 790 (void) fprintf(stderr, gettext("filesystem "
791 "successfully created, but not shared\n"));
792 ret = 1;
793 }
b4d9a82f 794 zfs_commit_shares(NULL);
5d6a4603
BB		 795 }
796
797 zfs_close(zhp);
798
799 return (ret);
800}
801
34dc7c2f 802/*
b128c09f 803 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
34dc7c2f
BB		 804 *
805 * Given an existing dataset, create a writable copy whose initial contents
806 * are the same as the source. The newly created dataset maintains a
807 * dependency on the original; the original cannot be destroyed so long as
808 * the clone exists.
809 *
810 * The '-p' flag creates all the non-existing ancestors of the target first.
811 */
812static int
813zfs_do_clone(int argc, char **argv)
814{
b128c09f 815 zfs_handle_t *zhp = NULL;
34dc7c2f 816 boolean_t parents = B_FALSE;
b128c09f 817 nvlist_t *props;
ad60af8e 818 int ret = 0;
34dc7c2f
BB		 819 int c;
820
428870ff
BB		 821 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
822 nomem();
b128c09f 823
34dc7c2f 824 /* check options */
b128c09f 825 while ((c = getopt(argc, argv, "o:p")) != -1) {
34dc7c2f 826 switch (c) {
b128c09f 827 case 'o':
a3eeab2d 828 if (!parseprop(props, optarg)) {
a425f5bf 829 nvlist_free(props);
b128c09f 830 return (1);
a425f5bf 831 }
b128c09f 832 break;
34dc7c2f
BB		 833 case 'p':
834 parents = B_TRUE;
835 break;
836 case '?':
837 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
838 optopt);
b128c09f 839 goto usage;
34dc7c2f
BB		 840 }
841 }
842
843 argc -= optind;
844 argv += optind;
845
846 /* check number of arguments */
847 if (argc < 1) {
848 (void) fprintf(stderr, gettext("missing source dataset "
849 "argument\n"));
b128c09f 850 goto usage;
34dc7c2f
BB		 851 }
852 if (argc < 2) {
853 (void) fprintf(stderr, gettext("missing target dataset "
854 "argument\n"));
b128c09f 855 goto usage;
34dc7c2f
BB		 856 }
857 if (argc > 2) {
858 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 859 goto usage;
34dc7c2f
BB		 860 }
861
862 /* open the source dataset */
a425f5bf 863 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) {
864 nvlist_free(props);
34dc7c2f 865 return (1);
a425f5bf 866 }
34dc7c2f
BB		 867
868 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
869 ZFS_TYPE_VOLUME)) {
870 /*
871 * Now create the ancestors of the target dataset. If the
872 * target already exists and '-p' option was used we should not
873 * complain.
874 */
875 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
a425f5bf 876 ZFS_TYPE_VOLUME)) {
877 zfs_close(zhp);
878 nvlist_free(props);
34dc7c2f 879 return (0);
a425f5bf 880 }
881 if (zfs_create_ancestors(g_zfs, argv[1]) != 0) {
882 zfs_close(zhp);
883 nvlist_free(props);
34dc7c2f 884 return (1);
a425f5bf 885 }
34dc7c2f
BB		 886 }
887
888 /* pass to libzfs */
b128c09f 889 ret = zfs_clone(zhp, argv[1], props);
34dc7c2f
BB		 890
891 /* create the mountpoint if necessary */
892 if (ret == 0) {
fb8e608d
TC		 893 if (log_history) {
894 (void) zpool_log_history(g_zfs, history_str);
895 log_history = B_FALSE;
896 }
897
5d6a4603 898 ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET);
34dc7c2f
BB		 899 }
900
901 zfs_close(zhp);
b128c09f 902 nvlist_free(props);
34dc7c2f 903
b128c09f
BB		 904 return (!!ret);
905
906usage:
ced28193 907 ASSERT3P(zhp, ==, NULL);
b128c09f
BB		 908 nvlist_free(props);
909 usage(B_FALSE);
910 return (-1);
34dc7c2f
BB		 911}
912
b2255edc
BB		 913/*
914 * Return a default volblocksize for the pool which always uses more than
915 * half of the data sectors. This primarily applies to dRAID which always
916 * writes full stripe widths.
917 */
918static uint64_t
919default_volblocksize(zpool_handle_t *zhp, nvlist_t *props)
920{
921 uint64_t volblocksize, asize = SPA_MINBLOCKSIZE;
922 nvlist_t *tree, **vdevs;
923 uint_t nvdevs;
924
925 nvlist_t *config = zpool_get_config(zhp, NULL);
926
927 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) != 0 ||
928 nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN,
929 &vdevs, &nvdevs) != 0) {
930 return (ZVOL_DEFAULT_BLOCKSIZE);
931 }
932
933 for (int i = 0; i < nvdevs; i++) {
934 nvlist_t *nv = vdevs[i];
935 uint64_t ashift, ndata, nparity;
936
937 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ASHIFT, &ashift) != 0)
938 continue;
939
940 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DRAID_NDATA,
941 &ndata) == 0) {
942 /* dRAID minimum allocation width */
943 asize = MAX(asize, ndata * (1ULL << ashift));
944 } else if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY,
945 &nparity) == 0) {
946 /* raidz minimum allocation width */
947 if (nparity == 1)
948 asize = MAX(asize, 2 * (1ULL << ashift));
949 else
950 asize = MAX(asize, 4 * (1ULL << ashift));
951 } else {
952 /* mirror or (non-redundant) leaf vdev */
953 asize = MAX(asize, 1ULL << ashift);
954 }
955 }
956
957 /*
958 * Calculate the target volblocksize such that more than half
959 * of the asize is used. The following table is for 4k sectors.
960 *
961 * n asize blksz used | n asize blksz used
962 * -------------------------+---------------------------------
963 * 1 4,096 8,192 100% | 9 36,864 32,768 88%
964 * 2 8,192 8,192 100% | 10 40,960 32,768 80%
965 * 3 12,288 8,192 66% | 11 45,056 32,768 72%
966 * 4 16,384 16,384 100% | 12 49,152 32,768 66%
967 * 5 20,480 16,384 80% | 13 53,248 32,768 61%
968 * 6 24,576 16,384 66% | 14 57,344 32,768 57%
969 * 7 28,672 16,384 57% | 15 61,440 32,768 53%
970 * 8 32,768 32,768 100% | 16 65,536 65,636 100%
971 *
972 * This is primarily a concern for dRAID which always allocates
973 * a full stripe width. For dRAID the default stripe width is
974 * n=8 in which case the volblocksize is set to 32k. Ignoring
975 * compression there are no unused sectors. This same reasoning
976 * applies to raidz[2,3] so target 4 sectors to minimize waste.
977 */
978 uint64_t tgt_volblocksize = ZVOL_DEFAULT_BLOCKSIZE;
979 while (tgt_volblocksize * 2 <= asize)
980 tgt_volblocksize *= 2;
981
982 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
983 if (nvlist_lookup_uint64(props, prop, &volblocksize) == 0) {
984
985 /* Issue a warning when a non-optimal size is requested. */
986 if (volblocksize < ZVOL_DEFAULT_BLOCKSIZE) {
987 (void) fprintf(stderr, gettext("Warning: "
988 "volblocksize (%llu) is less than the default "
989 "minimum block size (%llu).\nTo reduce wasted "
990 "space a volblocksize of %llu is recommended.\n"),
991 (u_longlong_t)volblocksize,
992 (u_longlong_t)ZVOL_DEFAULT_BLOCKSIZE,
993 (u_longlong_t)tgt_volblocksize);
994 } else if (volblocksize < tgt_volblocksize) {
995 (void) fprintf(stderr, gettext("Warning: "
996 "volblocksize (%llu) is much less than the "
997 "minimum allocation\nunit (%llu), which wastes "
998 "at least %llu%% of space. To reduce wasted "
999 "space,\nuse a larger volblocksize (%llu is "
1000 "recommended), fewer dRAID data disks\n"
1001 "per group, or smaller sector size (ashift).\n"),
1002 (u_longlong_t)volblocksize, (u_longlong_t)asize,
1003 (u_longlong_t)((100 * (asize - volblocksize)) /
1004 asize), (u_longlong_t)tgt_volblocksize);
1005 }
1006 } else {
1007 volblocksize = tgt_volblocksize;
1008 fnvlist_add_uint64(props, prop, volblocksize);
1009 }
1010
1011 return (volblocksize);
1012}
1013
34dc7c2f 1014/*
d45d7f08
MG		 1015 * zfs create [-Pnpv] [-o prop=value] ... fs
1016 * zfs create [-Pnpsv] [-b blocksize] [-o prop=value] ... -V vol size
34dc7c2f
BB		 1017 *
1018 * Create a new dataset. This command can be used to create filesystems
1019 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
1020 * For volumes, the user must specify a size to be used.
1021 *
1022 * The '-s' flag applies only to volumes, and indicates that we should not try
1023 * to set the reservation for this volume. By default we set a reservation
1024 * equal to the size for any volume. For pools with SPA_VERSION >=
1025 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
1026 *
1027 * The '-p' flag creates all the non-existing ancestors of the target first.
d45d7f08
MG		 1028 *
1029 * The '-n' flag is no-op (dry run) mode. This will perform a user-space sanity
1030 * check of arguments and properties, but does not check for permissions,
1031 * available space, etc.
1032 *
4b6e2a5a
RM		 1033 * The '-u' flag prevents the newly created file system from being mounted.
1034 *
d45d7f08
MG		 1035 * The '-v' flag is for verbose output.
1036 *
1037 * The '-P' flag is used for parseable output. It implies '-v'.
34dc7c2f
BB		 1038 */
1039static int
1040zfs_do_create(int argc, char **argv)
1041{
1042 zfs_type_t type = ZFS_TYPE_FILESYSTEM;
d45d7f08
MG		 1043 zpool_handle_t *zpool_handle = NULL;
1044 nvlist_t *real_props = NULL;
d4ed6673 1045 uint64_t volsize = 0;
34dc7c2f
BB		 1046 int c;
1047 boolean_t noreserve = B_FALSE;
1048 boolean_t bflag = B_FALSE;
1049 boolean_t parents = B_FALSE;
d45d7f08 1050 boolean_t dryrun = B_FALSE;
4b6e2a5a 1051 boolean_t nomount = B_FALSE;
d45d7f08
MG		 1052 boolean_t verbose = B_FALSE;
1053 boolean_t parseable = B_FALSE;
34dc7c2f 1054 int ret = 1;
b128c09f 1055 nvlist_t *props;
34dc7c2f 1056 uint64_t intval;
d1807f16 1057 const char *strval;
34dc7c2f 1058
428870ff
BB		 1059 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
1060 nomem();
34dc7c2f
BB		 1061
1062 /* check options */
4b6e2a5a 1063 while ((c = getopt(argc, argv, ":PV:b:nso:puv")) != -1) {
34dc7c2f
BB		 1064 switch (c) {
1065 case 'V':
1066 type = ZFS_TYPE_VOLUME;
1067 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
1068 (void) fprintf(stderr, gettext("bad volume "
1069 "size '%s': %s\n"), optarg,
1070 libzfs_error_description(g_zfs));
1071 goto error;
1072 }
1073
1074 if (nvlist_add_uint64(props,
428870ff
BB		 1075 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
1076 nomem();
34dc7c2f
BB		 1077 volsize = intval;
1078 break;
d45d7f08
MG		 1079 case 'P':
1080 verbose = B_TRUE;
1081 parseable = B_TRUE;
1082 break;
34dc7c2f
BB		 1083 case 'p':
1084 parents = B_TRUE;
1085 break;
1086 case 'b':
1087 bflag = B_TRUE;
1088 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
1089 (void) fprintf(stderr, gettext("bad volume "
1090 "block size '%s': %s\n"), optarg,
1091 libzfs_error_description(g_zfs));
1092 goto error;
1093 }
1094
1095 if (nvlist_add_uint64(props,
1096 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
428870ff
BB		 1097 intval) != 0)
1098 nomem();
34dc7c2f 1099 break;
d45d7f08
MG		 1100 case 'n':
1101 dryrun = B_TRUE;
1102 break;
34dc7c2f 1103 case 'o':
a3eeab2d 1104 if (!parseprop(props, optarg))
34dc7c2f 1105 goto error;
34dc7c2f
BB		 1106 break;
1107 case 's':
1108 noreserve = B_TRUE;
1109 break;
4b6e2a5a
RM		 1110 case 'u':
1111 nomount = B_TRUE;
1112 break;
d45d7f08
MG		 1113 case 'v':
1114 verbose = B_TRUE;
1115 break;
34dc7c2f
BB		 1116 case ':':
1117 (void) fprintf(stderr, gettext("missing size "
1118 "argument\n"));
1119 goto badusage;
34dc7c2f
BB		 1120 case '?':
1121 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1122 optopt);
1123 goto badusage;
1124 }
1125 }
1126
1127 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
1128 (void) fprintf(stderr, gettext("'-s' and '-b' can only be "
1129 "used when creating a volume\n"));
1130 goto badusage;
1131 }
4b6e2a5a
RM		 1132 if (nomount && type != ZFS_TYPE_FILESYSTEM) {
1133 (void) fprintf(stderr, gettext("'-u' can only be "
1134 "used when creating a filesystem\n"));
1135 goto badusage;
1136 }
34dc7c2f
BB		 1137
1138 argc -= optind;
1139 argv += optind;
1140
1141 /* check number of arguments */
1142 if (argc == 0) {
1143 (void) fprintf(stderr, gettext("missing %s argument\n"),
1144 zfs_type_to_name(type));
1145 goto badusage;
1146 }
1147 if (argc > 1) {
1148 (void) fprintf(stderr, gettext("too many arguments\n"));
1149 goto badusage;
1150 }
1151
b2255edc 1152 if (dryrun || type == ZFS_TYPE_VOLUME) {
d45d7f08 1153 char msg[ZFS_MAX_DATASET_NAME_LEN * 2];
34dc7c2f 1154 char *p;
34dc7c2f 1155
648a09ad 1156 if ((p = strchr(argv[0], '/')) != NULL)
34dc7c2f
BB		 1157 *p = '\0';
1158 zpool_handle = zpool_open(g_zfs, argv[0]);
1159 if (p != NULL)
1160 *p = '/';
1161 if (zpool_handle == NULL)
1162 goto error;
59d4c71c
GW		 1163
1164 (void) snprintf(msg, sizeof (msg),
d45d7f08 1165 dryrun ? gettext("cannot verify '%s'") :
59d4c71c
GW		 1166 gettext("cannot create '%s'"), argv[0]);
1167 if (props && (real_props = zfs_valid_proplist(g_zfs, type,
b5256303 1168 props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) {
82f6f6e6 1169 zpool_close(zpool_handle);
59d4c71c 1170 goto error;
82f6f6e6 1171 }
d45d7f08
MG		 1172 }
1173
47c9299f 1174 if (type == ZFS_TYPE_VOLUME) {
b2255edc
BB		 1175 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE);
1176 uint64_t volblocksize = default_volblocksize(zpool_handle,
1177 real_props);
47c9299f 1178
b2255edc
BB		 1179 if (volblocksize != ZVOL_DEFAULT_BLOCKSIZE &&
1180 nvlist_lookup_string(props, prop, &strval) != 0) {
d1807f16
RY		 1181 char *tmp;
1182 if (asprintf(&tmp, "%llu",
b2255edc
BB		 1183 (u_longlong_t)volblocksize) == -1)
1184 nomem();
d1807f16
RY		 1185 nvlist_add_string(props, prop, tmp);
1186 free(tmp);
b2255edc 1187 }
47c9299f 1188
b2255edc
BB		 1189 /*
1190 * If volsize is not a multiple of volblocksize, round it
1191 * up to the nearest multiple of the volblocksize.
1192 */
47c9299f
AJ		 1193 if (volsize % volblocksize) {
1194 volsize = P2ROUNDUP_TYPED(volsize, volblocksize,
1195 uint64_t);
1196
1197 if (nvlist_add_uint64(props,
1198 zfs_prop_to_name(ZFS_PROP_VOLSIZE), volsize) != 0) {
1199 nvlist_free(props);
1200 nomem();
1201 }
1202 }
1203 }
1204
d45d7f08
MG		 1205 if (type == ZFS_TYPE_VOLUME && !noreserve) {
1206 uint64_t spa_version;
1207 zfs_prop_t resv_prop;
d45d7f08
MG		 1208
1209 spa_version = zpool_get_prop_int(zpool_handle,
1210 ZPOOL_PROP_VERSION, NULL);
1211 if (spa_version >= SPA_VERSION_REFRESERVATION)
1212 resv_prop = ZFS_PROP_REFRESERVATION;
1213 else
1214 resv_prop = ZFS_PROP_RESERVATION;
59d4c71c 1215
341166c8
MG		 1216 volsize = zvol_volsize_to_reservation(zpool_handle, volsize,
1217 real_props);
34dc7c2f
BB		 1218
1219 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
1220 &strval) != 0) {
1221 if (nvlist_add_uint64(props,
1222 zfs_prop_to_name(resv_prop), volsize) != 0) {
34dc7c2f 1223 nvlist_free(props);
428870ff 1224 nomem();
34dc7c2f
BB		 1225 }
1226 }
1227 }
d45d7f08
MG		 1228 if (zpool_handle != NULL) {
1229 zpool_close(zpool_handle);
1230 nvlist_free(real_props);
1231 }
34dc7c2f
BB		 1232
1233 if (parents && zfs_name_valid(argv[0], type)) {
1234 /*
1235 * Now create the ancestors of target dataset. If the target
1236 * already exists and '-p' option was used we should not
1237 * complain.
1238 */
1239 if (zfs_dataset_exists(g_zfs, argv[0], type)) {
1240 ret = 0;
1241 goto error;
1242 }
d45d7f08
MG		 1243 if (verbose) {
1244 (void) printf(parseable ? "create_ancestors\t%s\n" :
1245 dryrun ? "would create ancestors of %s\n" :
1246 "create ancestors of %s\n", argv[0]);
1247 }
1248 if (!dryrun) {
1249 if (zfs_create_ancestors(g_zfs, argv[0]) != 0) {
1250 goto error;
1251 }
1252 }
1253 }
1254
1255 if (verbose) {
1256 nvpair_t *nvp = NULL;
1257 (void) printf(parseable ? "create\t%s\n" :
1258 dryrun ? "would create %s\n" : "create %s\n", argv[0]);
1259 while ((nvp = nvlist_next_nvpair(props, nvp)) != NULL) {
1260 uint64_t uval;
d1807f16 1261 const char *sval;
d45d7f08
MG		 1262
1263 switch (nvpair_type(nvp)) {
1264 case DATA_TYPE_UINT64:
1265 VERIFY0(nvpair_value_uint64(nvp, &uval));
1266 (void) printf(parseable ?
1267 "property\t%s\t%llu\n" : "\t%s=%llu\n",
1268 nvpair_name(nvp), (u_longlong_t)uval);
1269 break;
1270 case DATA_TYPE_STRING:
1271 VERIFY0(nvpair_value_string(nvp, &sval));
1272 (void) printf(parseable ?
1273 "property\t%s\t%s\n" : "\t%s=%s\n",
1274 nvpair_name(nvp), sval);
1275 break;
1276 default:
1277 (void) fprintf(stderr, "property '%s' "
1278 "has illegal type %d\n",
1279 nvpair_name(nvp), nvpair_type(nvp));
1280 abort();
1281 }
1282 }
1283 }
1284 if (dryrun) {
1285 ret = 0;
1286 goto error;
34dc7c2f
BB		 1287 }
1288
1289 /* pass to libzfs */
1290 if (zfs_create(g_zfs, argv[0], type, props) != 0)
1291 goto error;
1292
fb8e608d
TC		 1293 if (log_history) {
1294 (void) zpool_log_history(g_zfs, history_str);
1295 log_history = B_FALSE;
1296 }
1297
4b6e2a5a
RM		 1298 if (nomount) {
1299 ret = 0;
1300 goto error;
1301 }
1302
5d6a4603 1303 ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET);
34dc7c2f 1304error:
34dc7c2f
BB		 1305 nvlist_free(props);
1306 return (ret);
1307badusage:
1308 nvlist_free(props);
1309 usage(B_FALSE);
1310 return (2);
1311}
1312
1313/*
428870ff
BB		 1314 * zfs destroy [-rRf] <fs, vol>
1315 * zfs destroy [-rRd] <snap>
34dc7c2f 1316 *
428870ff
BB		 1317 * -r Recursively destroy all children
1318 * -R Recursively destroy all dependents, including clones
1319 * -f Force unmounting of any dependents
45d1cae3 1320 * -d If we can't destroy now, mark for deferred destruction
34dc7c2f
BB		 1321 *
1322 * Destroys the given dataset. By default, it will unmount any filesystems,
1323 * and refuse to destroy a dataset that has any dependents. A dependent can
1324 * either be a child, or a clone of a child.
1325 */
1326typedef struct destroy_cbdata {
1327 boolean_t cb_first;
330d06f9
MA		 1328 boolean_t cb_force;
1329 boolean_t cb_recurse;
1330 boolean_t cb_error;
1331 boolean_t cb_doclones;
34dc7c2f 1332 zfs_handle_t *cb_target;
45d1cae3 1333 boolean_t cb_defer_destroy;
330d06f9
MA		 1334 boolean_t cb_verbose;
1335 boolean_t cb_parsable;
1336 boolean_t cb_dryrun;
1337 nvlist_t *cb_nvl;
13fe0198 1338 nvlist_t *cb_batchedsnaps;
330d06f9
MA		 1339
1340 /* first snap in contiguous run */
6f1ffb06 1341 char *cb_firstsnap;
330d06f9 1342 /* previous snap in contiguous run */
6f1ffb06 1343 char *cb_prevsnap;
330d06f9
MA		 1344 int64_t cb_snapused;
1345 char *cb_snapspec;
da536844 1346 char *cb_bookmark;
83362e8e 1347 uint64_t cb_snap_count;
34dc7c2f
BB		 1348} destroy_cbdata_t;
1349
1350/*
1351 * Check for any dependents based on the '-r' or '-R' flags.
1352 */
1353static int
1354destroy_check_dependent(zfs_handle_t *zhp, void *data)
1355{
1356 destroy_cbdata_t *cbp = data;
1357 const char *tname = zfs_get_name(cbp->cb_target);
1358 const char *name = zfs_get_name(zhp);
1359
1360 if (strncmp(tname, name, strlen(tname)) == 0 &&
1361 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
1362 /*
1363 * This is a direct descendant, not a clone somewhere else in
1364 * the hierarchy.
1365 */
1366 if (cbp->cb_recurse)
1367 goto out;
1368
1369 if (cbp->cb_first) {
1370 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1371 "%s has children\n"),
1372 zfs_get_name(cbp->cb_target),
1373 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1374 (void) fprintf(stderr, gettext("use '-r' to destroy "
1375 "the following datasets:\n"));
1376 cbp->cb_first = B_FALSE;
330d06f9 1377 cbp->cb_error = B_TRUE;
34dc7c2f
BB		 1378 }
1379
1380 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1381 } else {
1382 /*
1383 * This is a clone. We only want to report this if the '-r'
1384 * wasn't specified, or the target is a snapshot.
1385 */
1386 if (!cbp->cb_recurse &&
1387 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
1388 goto out;
1389
1390 if (cbp->cb_first) {
1391 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1392 "%s has dependent clones\n"),
1393 zfs_get_name(cbp->cb_target),
1394 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1395 (void) fprintf(stderr, gettext("use '-R' to destroy "
1396 "the following datasets:\n"));
1397 cbp->cb_first = B_FALSE;
330d06f9
MA		 1398 cbp->cb_error = B_TRUE;
1399 cbp->cb_dryrun = B_TRUE;
34dc7c2f
BB		 1400 }
1401
1402 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1403 }
1404
1405out:
1406 zfs_close(zhp);
1407 return (0);
1408}
1409
83362e8e
PZ		 1410static int
1411destroy_batched(destroy_cbdata_t *cb)
1412{
1413 int error = zfs_destroy_snaps_nvl(g_zfs,
1414 cb->cb_batchedsnaps, B_FALSE);
1415 fnvlist_free(cb->cb_batchedsnaps);
1416 cb->cb_batchedsnaps = fnvlist_alloc();
1417 return (error);
1418}
1419
34dc7c2f
BB		 1420static int
1421destroy_callback(zfs_handle_t *zhp, void *data)
1422{
330d06f9
MA		 1423 destroy_cbdata_t *cb = data;
1424 const char *name = zfs_get_name(zhp);
83362e8e 1425 int error;
330d06f9
MA		 1426
1427 if (cb->cb_verbose) {
1428 if (cb->cb_parsable) {
1429 (void) printf("destroy\t%s\n", name);
1430 } else if (cb->cb_dryrun) {
1431 (void) printf(gettext("would destroy %s\n"),
1432 name);
1433 } else {
1434 (void) printf(gettext("will destroy %s\n"),
1435 name);
1436 }
1437 }
34dc7c2f
BB		 1438
1439 /*
1440 * Ignore pools (which we've already flagged as an error before getting
428870ff 1441 * here).
34dc7c2f
BB		 1442 */
1443 if (strchr(zfs_get_name(zhp), '/') == NULL &&
1444 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1445 zfs_close(zhp);
1446 return (0);
1447 }
13fe0198
MA		 1448 if (cb->cb_dryrun) {
1449 zfs_close(zhp);
1450 return (0);
1451 }
1452
1453 /*
1454 * We batch up all contiguous snapshots (even of different
1455 * filesystems) and destroy them with one ioctl. We can't
1456 * simply do all snap deletions and then all fs deletions,
1457 * because we must delete a clone before its origin.
1458 */
1459 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
83362e8e 1460 cb->cb_snap_count++;
13fe0198 1461 fnvlist_add_boolean(cb->cb_batchedsnaps, name);
6a42939f 1462 if (cb->cb_snap_count % 10 == 0 && cb->cb_defer_destroy) {
83362e8e 1463 error = destroy_batched(cb);
6a42939f
RY		 1464 if (error != 0) {
1465 zfs_close(zhp);
1466 return (-1);
1467 }
1468 }
13fe0198 1469 } else {
83362e8e 1470 error = destroy_batched(cb);
13fe0198
MA		 1471 if (error != 0 ||
1472 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
330d06f9
MA		 1473 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
1474 zfs_close(zhp);
6969afce
AP		 1475 /*
1476 * When performing a recursive destroy we ignore errors
1477 * so that the recursive destroy could continue
1478 * destroying past problem datasets
1479 */
1480 if (cb->cb_recurse) {
1481 cb->cb_error = B_TRUE;
1482 return (0);
1483 }
330d06f9
MA		 1484 return (-1);
1485 }
34dc7c2f
BB		 1486 }
1487
1488 zfs_close(zhp);
1489 return (0);
1490}
1491
1492static int
330d06f9 1493destroy_print_cb(zfs_handle_t *zhp, void *arg)
34dc7c2f 1494{
330d06f9
MA		 1495 destroy_cbdata_t *cb = arg;
1496 const char *name = zfs_get_name(zhp);
1497 int err = 0;
1498
1499 if (nvlist_exists(cb->cb_nvl, name)) {
1500 if (cb->cb_firstsnap == NULL)
6f1ffb06 1501 cb->cb_firstsnap = strdup(name);
330d06f9 1502 if (cb->cb_prevsnap != NULL)
6f1ffb06 1503 free(cb->cb_prevsnap);
330d06f9 1504 /* this snap continues the current range */
6f1ffb06
MA		 1505 cb->cb_prevsnap = strdup(name);
1506 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
1507 nomem();
330d06f9
MA		 1508 if (cb->cb_verbose) {
1509 if (cb->cb_parsable) {
1510 (void) printf("destroy\t%s\n", name);
1511 } else if (cb->cb_dryrun) {
1512 (void) printf(gettext("would destroy %s\n"),
1513 name);
1514 } else {
1515 (void) printf(gettext("will destroy %s\n"),
1516 name);
1517 }
34dc7c2f 1518 }
330d06f9
MA		 1519 } else if (cb->cb_firstsnap != NULL) {
1520 /* end of this range */
1521 uint64_t used = 0;
6f1ffb06 1522 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1523 cb->cb_prevsnap, &used);
1524 cb->cb_snapused += used;
6f1ffb06 1525 free(cb->cb_firstsnap);
330d06f9 1526 cb->cb_firstsnap = NULL;
6f1ffb06 1527 free(cb->cb_prevsnap);
330d06f9 1528 cb->cb_prevsnap = NULL;
34dc7c2f 1529 }
330d06f9
MA		 1530 zfs_close(zhp);
1531 return (err);
1532}
34dc7c2f 1533
330d06f9
MA		 1534static int
1535destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
1536{
1537 int err;
1538 assert(cb->cb_firstsnap == NULL);
1539 assert(cb->cb_prevsnap == NULL);
baca06c2
RN		 1540 err = zfs_iter_snapshots_sorted_v2(fs_zhp, 0, destroy_print_cb, cb, 0,
1541 0);
330d06f9
MA		 1542 if (cb->cb_firstsnap != NULL) {
1543 uint64_t used = 0;
1544 if (err == 0) {
6f1ffb06 1545 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1546 cb->cb_prevsnap, &used);
1547 }
1548 cb->cb_snapused += used;
6f1ffb06 1549 free(cb->cb_firstsnap);
330d06f9 1550 cb->cb_firstsnap = NULL;
6f1ffb06 1551 free(cb->cb_prevsnap);
330d06f9
MA		 1552 cb->cb_prevsnap = NULL;
1553 }
1554 return (err);
1555}
1556
1557static int
1558snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
1559{
1560 destroy_cbdata_t *cb = arg;
1561 int err = 0;
1562
1563 /* Check for clones. */
e956d651 1564 if (!cb->cb_doclones && !cb->cb_defer_destroy) {
330d06f9
MA		 1565 cb->cb_target = zhp;
1566 cb->cb_first = B_TRUE;
baca06c2 1567 err = zfs_iter_dependents_v2(zhp, 0, B_TRUE,
330d06f9
MA		 1568 destroy_check_dependent, cb);
1569 }
1570
1571 if (err == 0) {
1572 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
1573 nomem();
1574 }
1575 zfs_close(zhp);
1576 return (err);
1577}
1578
1579static int
1580gather_snapshots(zfs_handle_t *zhp, void *arg)
1581{
1582 destroy_cbdata_t *cb = arg;
1583 int err = 0;
1584
baca06c2 1585 err = zfs_iter_snapspec_v2(zhp, 0, cb->cb_snapspec,
dc95911d 1586 snapshot_to_nvl_cb, cb);
330d06f9
MA		 1587 if (err == ENOENT)
1588 err = 0;
1589 if (err != 0)
1590 goto out;
1591
1592 if (cb->cb_verbose) {
1593 err = destroy_print_snapshots(zhp, cb);
1594 if (err != 0)
1595 goto out;
1596 }
1597
1598 if (cb->cb_recurse)
baca06c2 1599 err = zfs_iter_filesystems_v2(zhp, 0, gather_snapshots, cb);
330d06f9
MA		 1600
1601out:
1602 zfs_close(zhp);
1603 return (err);
1604}
1605
1606static int
1607destroy_clones(destroy_cbdata_t *cb)
1608{
1609 nvpair_t *pair;
1610 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
1611 pair != NULL;
1612 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
1613 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
1614 ZFS_TYPE_SNAPSHOT);
1615 if (zhp != NULL) {
1616 boolean_t defer = cb->cb_defer_destroy;
1617 int err;
1618
1619 /*
1620 * We can't defer destroy non-snapshots, so set it to
1621 * false while destroying the clones.
1622 */
1623 cb->cb_defer_destroy = B_FALSE;
baca06c2 1624 err = zfs_iter_dependents_v2(zhp, 0, B_FALSE,
330d06f9
MA		 1625 destroy_callback, cb);
1626 cb->cb_defer_destroy = defer;
1627 zfs_close(zhp);
1628 if (err != 0)
1629 return (err);
1630 }
1631 }
1632 return (0);
34dc7c2f
BB		 1633}
1634
1635static int
1636zfs_do_destroy(int argc, char **argv)
1637{
1638 destroy_cbdata_t cb = { 0 };
13fe0198
MA		 1639 int rv = 0;
1640 int err = 0;
34dc7c2f 1641 int c;
13fe0198 1642 zfs_handle_t *zhp = NULL;
da536844 1643 char *at, *pound;
428870ff 1644 zfs_type_t type = ZFS_TYPE_DATASET;
34dc7c2f
BB		 1645
1646 /* check options */
330d06f9 1647 while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
34dc7c2f 1648 switch (c) {
330d06f9
MA		 1649 case 'v':
1650 cb.cb_verbose = B_TRUE;
1651 break;
1652 case 'p':
1653 cb.cb_verbose = B_TRUE;
1654 cb.cb_parsable = B_TRUE;
1655 break;
1656 case 'n':
1657 cb.cb_dryrun = B_TRUE;
1658 break;
45d1cae3
BB		 1659 case 'd':
1660 cb.cb_defer_destroy = B_TRUE;
428870ff 1661 type = ZFS_TYPE_SNAPSHOT;
45d1cae3 1662 break;
34dc7c2f 1663 case 'f':
330d06f9 1664 cb.cb_force = B_TRUE;
34dc7c2f
BB		 1665 break;
1666 case 'r':
330d06f9 1667 cb.cb_recurse = B_TRUE;
34dc7c2f
BB		 1668 break;
1669 case 'R':
330d06f9
MA		 1670 cb.cb_recurse = B_TRUE;
1671 cb.cb_doclones = B_TRUE;
34dc7c2f
BB		 1672 break;
1673 case '?':
1674 default:
1675 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1676 optopt);
1677 usage(B_FALSE);
1678 }
1679 }
1680
1681 argc -= optind;
1682 argv += optind;
1683
1684 /* check number of arguments */
1685 if (argc == 0) {
330d06f9 1686 (void) fprintf(stderr, gettext("missing dataset argument\n"));
34dc7c2f
BB		 1687 usage(B_FALSE);
1688 }
1689 if (argc > 1) {
1690 (void) fprintf(stderr, gettext("too many arguments\n"));
1691 usage(B_FALSE);
1692 }
1693
330d06f9 1694 at = strchr(argv[0], '@');
da536844 1695 pound = strchr(argv[0], '#');
330d06f9 1696 if (at != NULL) {
34dc7c2f 1697
330d06f9 1698 /* Build the list of snaps to destroy in cb_nvl. */
13fe0198 1699 cb.cb_nvl = fnvlist_alloc();
330d06f9
MA		 1700
1701 *at = '\0';
1702 zhp = zfs_open(g_zfs, argv[0],
1703 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 1704 if (zhp == NULL) {
1705 nvlist_free(cb.cb_nvl);
34dc7c2f 1706 return (1);
a425f5bf 1707 }
34dc7c2f 1708
330d06f9
MA		 1709 cb.cb_snapspec = at + 1;
1710 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
1711 cb.cb_error) {
13fe0198
MA		 1712 rv = 1;
1713 goto out;
330d06f9 1714 }
428870ff 1715
330d06f9
MA		 1716 if (nvlist_empty(cb.cb_nvl)) {
1717 (void) fprintf(stderr, gettext("could not find any "
1718 "snapshots to destroy; check snapshot names.\n"));
13fe0198
MA		 1719 rv = 1;
1720 goto out;
330d06f9
MA		 1721 }
1722
1723 if (cb.cb_verbose) {
1724 char buf[16];
e7fbeb60 1725 zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf));
330d06f9
MA		 1726 if (cb.cb_parsable) {
1727 (void) printf("reclaim\t%llu\n",
1728 (u_longlong_t)cb.cb_snapused);
1729 } else if (cb.cb_dryrun) {
1730 (void) printf(gettext("would reclaim %s\n"),
1731 buf);
1732 } else {
1733 (void) printf(gettext("will reclaim %s\n"),
1734 buf);
34dc7c2f
BB		 1735 }
1736 }
1737
330d06f9 1738 if (!cb.cb_dryrun) {
13fe0198
MA		 1739 if (cb.cb_doclones) {
1740 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9 1741 err = destroy_clones(&cb);
13fe0198
MA		 1742 if (err == 0) {
1743 err = zfs_destroy_snaps_nvl(g_zfs,
1744 cb.cb_batchedsnaps, B_FALSE);
1745 }
1746 if (err != 0) {
1747 rv = 1;
1748 goto out;
1749 }
1750 }
330d06f9 1751 if (err == 0) {
13fe0198 1752 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
330d06f9
MA		 1753 cb.cb_defer_destroy);
1754 }
34dc7c2f 1755 }
34dc7c2f 1756
330d06f9 1757 if (err != 0)
13fe0198 1758 rv = 1;
da536844
MA		 1759 } else if (pound != NULL) {
1760 int err;
1761 nvlist_t *nvl;
1762
1763 if (cb.cb_dryrun) {
1764 (void) fprintf(stderr,
1765 "dryrun is not supported with bookmark\n");
1766 return (-1);
1767 }
1768
1769 if (cb.cb_defer_destroy) {
1770 (void) fprintf(stderr,
1771 "defer destroy is not supported with bookmark\n");
1772 return (-1);
1773 }
1774
1775 if (cb.cb_recurse) {
1776 (void) fprintf(stderr,
1777 "recursive is not supported with bookmark\n");
1778 return (-1);
1779 }
1780
30af21b0
PD		 1781 /*
1782 * Unfortunately, zfs_bookmark() doesn't honor the
1783 * casesensitivity setting. However, we can't simply
1784 * remove this check, because lzc_destroy_bookmarks()
1785 * ignores non-existent bookmarks, so this is necessary
1786 * to get a proper error message.
1787 */
da536844
MA		 1788 if (!zfs_bookmark_exists(argv[0])) {
1789 (void) fprintf(stderr, gettext("bookmark '%s' "
1790 "does not exist.\n"), argv[0]);
1791 return (1);
1792 }
1793
1794 nvl = fnvlist_alloc();
1795 fnvlist_add_boolean(nvl, argv[0]);
1796
1797 err = lzc_destroy_bookmarks(nvl, NULL);
1798 if (err != 0) {
1799 (void) zfs_standard_error(g_zfs, err,
1800 "cannot destroy bookmark");
1801 }
1802
a425f5bf 1803 nvlist_free(nvl);
da536844
MA		 1804
1805 return (err);
330d06f9
MA		 1806 } else {
1807 /* Open the given dataset */
1808 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
1809 return (1);
34dc7c2f 1810
330d06f9 1811 cb.cb_target = zhp;
34dc7c2f 1812
330d06f9
MA		 1813 /*
1814 * Perform an explicit check for pools before going any further.
1815 */
1816 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
1817 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1818 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1819 "operation does not apply to pools\n"),
1820 zfs_get_name(zhp));
1821 (void) fprintf(stderr, gettext("use 'zfs destroy -r "
1822 "%s' to destroy all datasets in the pool\n"),
1823 zfs_get_name(zhp));
1824 (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
1825 "to destroy the pool itself\n"), zfs_get_name(zhp));
13fe0198
MA		 1826 rv = 1;
1827 goto out;
330d06f9 1828 }
34dc7c2f 1829
330d06f9
MA		 1830 /*
1831 * Check for any dependents and/or clones.
1832 */
1833 cb.cb_first = B_TRUE;
baca06c2
RN		 1834 if (!cb.cb_doclones && zfs_iter_dependents_v2(zhp, 0, B_TRUE,
1835 destroy_check_dependent, &cb) != 0) {
13fe0198
MA		 1836 rv = 1;
1837 goto out;
330d06f9 1838 }
34dc7c2f 1839
330d06f9 1840 if (cb.cb_error) {
13fe0198
MA		 1841 rv = 1;
1842 goto out;
330d06f9 1843 }
13fe0198 1844 cb.cb_batchedsnaps = fnvlist_alloc();
baca06c2 1845 if (zfs_iter_dependents_v2(zhp, 0, B_FALSE, destroy_callback,
330d06f9 1846 &cb) != 0) {
13fe0198
MA		 1847 rv = 1;
1848 goto out;
330d06f9 1849 }
34dc7c2f 1850
330d06f9
MA		 1851 /*
1852 * Do the real thing. The callback will close the
1853 * handle regardless of whether it succeeds or not.
1854 */
13fe0198
MA		 1855 err = destroy_callback(zhp, &cb);
1856 zhp = NULL;
1857 if (err == 0) {
1858 err = zfs_destroy_snaps_nvl(g_zfs,
1859 cb.cb_batchedsnaps, cb.cb_defer_destroy);
1860 }
6969afce 1861 if (err != 0 || cb.cb_error == B_TRUE)
13fe0198 1862 rv = 1;
330d06f9 1863 }
34dc7c2f 1864
13fe0198
MA		 1865out:
1866 fnvlist_free(cb.cb_batchedsnaps);
1867 fnvlist_free(cb.cb_nvl);
1868 if (zhp != NULL)
1869 zfs_close(zhp);
1870 return (rv);
34dc7c2f
BB		 1871}
1872
428870ff
BB		 1873static boolean_t
1874is_recvd_column(zprop_get_cbdata_t *cbp)
1875{
1876 int i;
1877 zfs_get_column_t col;
1878
1879 for (i = 0; i < ZFS_GET_NCOLS &&
1880 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
1881 if (col == GET_COL_RECVD)
1882 return (B_TRUE);
1883 return (B_FALSE);
1884}
1885
34dc7c2f 1886/*
428870ff
BB		 1887 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1888 * < all | property[,property]... > < fs | snap | vol > ...
34dc7c2f
BB		 1889 *
1890 * -r recurse over any child datasets
1891 * -H scripted mode. Headers are stripped, and fields are separated
1892 * by tabs instead of spaces.
428870ff
BB		 1893 * -o Set of fields to display. One of "name,property,value,
1894 * received,source". Default is "name,property,value,source".
1895 * "all" is an alias for all five.
34dc7c2f 1896 * -s Set of sources to allow. One of
428870ff
BB		 1897 * "local,default,inherited,received,temporary,none". Default is
1898 * all six.
34dc7c2f
BB		 1899 * -p Display values in parsable (literal) format.
1900 *
1901 * Prints properties for the given datasets. The user can control which
1902 * columns to display as well as which property types to allow.
1903 */
1904
1905/*
1906 * Invoked to display the properties for a single dataset.
1907 */
1908static int
1909get_callback(zfs_handle_t *zhp, void *data)
1910{
1911 char buf[ZFS_MAXPROPLEN];
428870ff 1912 char rbuf[ZFS_MAXPROPLEN];
610cb4fb 1913 zprop_source_t sourcetype;
eca7b760 1914 char source[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 1915 zprop_get_cbdata_t *cbp = data;
428870ff 1916 nvlist_t *user_props = zfs_get_user_props(zhp);
34dc7c2f
BB		 1917 zprop_list_t *pl = cbp->cb_proplist;
1918 nvlist_t *propval;
a926aab9
AZ		 1919 const char *strval;
1920 const char *sourceval;
428870ff 1921 boolean_t received = is_recvd_column(cbp);
34dc7c2f
BB		 1922
1923 for (; pl != NULL; pl = pl->pl_next) {
428870ff 1924 char *recvdval = NULL;
34dc7c2f
BB		 1925 /*
1926 * Skip the special fake placeholder. This will also skip over
1927 * the name property when 'all' is specified.
1928 */
1929 if (pl->pl_prop == ZFS_PROP_NAME &&
1930 pl == cbp->cb_proplist)
1931 continue;
1932
4ff7a8fa 1933 if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f
BB		 1934 if (zfs_prop_get(zhp, pl->pl_prop, buf,
1935 sizeof (buf), &sourcetype, source,
1936 sizeof (source),
1937 cbp->cb_literal) != 0) {
1938 if (pl->pl_all)
1939 continue;
1940 if (!zfs_prop_valid_for_type(pl->pl_prop,
962d5242 1941 ZFS_TYPE_DATASET, B_FALSE)) {
34dc7c2f
BB		 1942 (void) fprintf(stderr,
1943 gettext("No such property '%s'\n"),
1944 zfs_prop_to_name(pl->pl_prop));
1945 continue;
1946 }
1947 sourcetype = ZPROP_SRC_NONE;
1948 (void) strlcpy(buf, "-", sizeof (buf));
1949 }
1950
428870ff
BB		 1951 if (received && (zfs_prop_get_recvd(zhp,
1952 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
1953 cbp->cb_literal) == 0))
1954 recvdval = rbuf;
1955
34dc7c2f
BB		 1956 zprop_print_one_property(zfs_get_name(zhp), cbp,
1957 zfs_prop_to_name(pl->pl_prop),
428870ff 1958 buf, sourcetype, source, recvdval);
9babb374
BB		 1959 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
1960 sourcetype = ZPROP_SRC_LOCAL;
1961
1962 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
1963 buf, sizeof (buf), cbp->cb_literal) != 0) {
1964 sourcetype = ZPROP_SRC_NONE;
1965 (void) strlcpy(buf, "-", sizeof (buf));
1966 }
1967
330d06f9
MA		 1968 zprop_print_one_property(zfs_get_name(zhp), cbp,
1969 pl->pl_user_prop, buf, sourcetype, source, NULL);
1970 } else if (zfs_prop_written(pl->pl_user_prop)) {
1971 sourcetype = ZPROP_SRC_LOCAL;
1972
1973 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
1974 buf, sizeof (buf), cbp->cb_literal) != 0) {
1975 sourcetype = ZPROP_SRC_NONE;
1976 (void) strlcpy(buf, "-", sizeof (buf));
1977 }
1978
9babb374 1979 zprop_print_one_property(zfs_get_name(zhp), cbp,
428870ff 1980 pl->pl_user_prop, buf, sourcetype, source, NULL);
34dc7c2f 1981 } else {
428870ff 1982 if (nvlist_lookup_nvlist(user_props,
34dc7c2f
BB		 1983 pl->pl_user_prop, &propval) != 0) {
1984 if (pl->pl_all)
1985 continue;
1986 sourcetype = ZPROP_SRC_NONE;
1987 strval = "-";
1988 } else {
a926aab9
AZ		 1989 strval = fnvlist_lookup_string(propval,
1990 ZPROP_VALUE);
1991 sourceval = fnvlist_lookup_string(propval,
1992 ZPROP_SOURCE);
34dc7c2f
BB		 1993
1994 if (strcmp(sourceval,
1995 zfs_get_name(zhp)) == 0) {
1996 sourcetype = ZPROP_SRC_LOCAL;
428870ff
BB		 1997 } else if (strcmp(sourceval,
1998 ZPROP_SOURCE_VAL_RECVD) == 0) {
1999 sourcetype = ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 2000 } else {
2001 sourcetype = ZPROP_SRC_INHERITED;
2002 (void) strlcpy(source,
2003 sourceval, sizeof (source));
2004 }
2005 }
2006
428870ff
BB		 2007 if (received && (zfs_prop_get_recvd(zhp,
2008 pl->pl_user_prop, rbuf, sizeof (rbuf),
2009 cbp->cb_literal) == 0))
2010 recvdval = rbuf;
2011
34dc7c2f
BB		 2012 zprop_print_one_property(zfs_get_name(zhp), cbp,
2013 pl->pl_user_prop, strval, sourcetype,
428870ff 2014 source, recvdval);
34dc7c2f
BB		 2015 }
2016 }
2017
2018 return (0);
2019}
2020
2021static int
2022zfs_do_get(int argc, char **argv)
2023{
2024 zprop_get_cbdata_t cb = { 0 };
bb939d10 2025 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
aeacdefe 2026 int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK;
46952300 2027 char *fields;
ad60af8e 2028 int ret = 0;
9babb374 2029 int limit = 0;
34dc7c2f
BB		 2030 zprop_list_t fake_name = { 0 };
2031
2032 /*
2033 * Set up default columns and sources.
2034 */
2035 cb.cb_sources = ZPROP_SRC_ALL;
2036 cb.cb_columns[0] = GET_COL_NAME;
2037 cb.cb_columns[1] = GET_COL_PROPERTY;
2038 cb.cb_columns[2] = GET_COL_VALUE;
2039 cb.cb_columns[3] = GET_COL_SOURCE;
2040 cb.cb_type = ZFS_TYPE_DATASET;
2041
2042 /* check options */
e346ec25 2043 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
34dc7c2f
BB		 2044 switch (c) {
2045 case 'p':
2046 cb.cb_literal = B_TRUE;
2047 break;
9babb374
BB		 2048 case 'd':
2049 limit = parse_depth(optarg, &flags);
2050 break;
34dc7c2f 2051 case 'r':
b128c09f 2052 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2053 break;
2054 case 'H':
2055 cb.cb_scripted = B_TRUE;
2056 break;
2057 case ':':
2058 (void) fprintf(stderr, gettext("missing argument for "
2059 "'%c' option\n"), optopt);
2060 usage(B_FALSE);
2061 break;
2062 case 'o':
2063 /*
2064 * Process the set of columns to display. We zero out
2065 * the structure to give us a blank slate.
2066 */
861166b0 2067 memset(&cb.cb_columns, 0, sizeof (cb.cb_columns));
7c17e82c 2068
34dc7c2f 2069 i = 0;
7c17e82c
AZ		 2070 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2071 static const char *const col_subopts[] =
2072 { "name", "property", "value",
2073 "received", "source", "all" };
2074 static const zfs_get_column_t col_subopt_col[] =
2075 { GET_COL_NAME, GET_COL_PROPERTY, GET_COL_VALUE,
2076 GET_COL_RECVD, GET_COL_SOURCE };
2077 static const int col_subopt_flags[] =
2078 { 0, 0, 0, ZFS_ITER_RECVD_PROPS, 0 };
34dc7c2f 2079
428870ff 2080 if (i == ZFS_GET_NCOLS) {
34dc7c2f
BB		 2081 (void) fprintf(stderr, gettext("too "
2082 "many fields given to -o "
2083 "option\n"));
2084 usage(B_FALSE);
2085 }
2086
7c17e82c
AZ		 2087 for (c = 0; c < ARRAY_SIZE(col_subopts); ++c)
2088 if (strcmp(tok, col_subopts[c]) == 0)
2089 goto found;
2090
2091 (void) fprintf(stderr,
2092 gettext("invalid column name '%s'\n"), tok);
2093 usage(B_FALSE);
2094
2095found:
2096 if (c >= 5) {
428870ff
BB		 2097 if (i > 0) {
2098 (void) fprintf(stderr,
2099 gettext("\"all\" conflicts "
2100 "with specific fields "
2101 "given to -o option\n"));
2102 usage(B_FALSE);
2103 }
7c17e82c
AZ		 2104
2105 memcpy(cb.cb_columns, col_subopt_col,
2106 sizeof (col_subopt_col));
428870ff
BB		 2107 flags |= ZFS_ITER_RECVD_PROPS;
2108 i = ZFS_GET_NCOLS;
7c17e82c
AZ		 2109 } else {
2110 cb.cb_columns[i++] = col_subopt_col[c];
2111 flags |= col_subopt_flags[c];
34dc7c2f
BB		 2112 }
2113 }
2114 break;
2115
2116 case 's':
2117 cb.cb_sources = 0;
34dc7c2f 2118
7867f430
AZ		 2119 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2120 static const char *const source_opt[] = {
2121 "local", "default",
2122 "inherited", "received",
2123 "temporary", "none" };
2124 static const int source_flg[] = {
2125 ZPROP_SRC_LOCAL, ZPROP_SRC_DEFAULT,
2126 ZPROP_SRC_INHERITED, ZPROP_SRC_RECEIVED,
2127 ZPROP_SRC_TEMPORARY, ZPROP_SRC_NONE };
2128
2129 for (i = 0; i < ARRAY_SIZE(source_opt); ++i)
2130 if (strcmp(tok, source_opt[i]) == 0) {
2131 cb.cb_sources |= source_flg[i];
2132 goto found2;
2133 }
2134
2135 (void) fprintf(stderr,
2136 gettext("invalid source '%s'\n"), tok);
2137 usage(B_FALSE);
2138found2:;
34dc7c2f
BB		 2139 }
2140 break;
2141
e346ec25
AS		 2142 case 't':
2143 types = 0;
2144 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
46952300
AZ		 2145
2146 for (char *tok; (tok = strsep(&optarg, ",")); ) {
2147 static const char *const type_opts[] = {
2148 "filesystem", "volume",
2149 "snapshot", "snap",
2150 "bookmark",
2151 "all" };
2152 static const int type_types[] = {
2153 ZFS_TYPE_FILESYSTEM, ZFS_TYPE_VOLUME,
2154 ZFS_TYPE_SNAPSHOT, ZFS_TYPE_SNAPSHOT,
2155 ZFS_TYPE_BOOKMARK,
2156 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK };
2157
2158 for (i = 0; i < ARRAY_SIZE(type_opts); ++i)
2159 if (strcmp(tok, type_opts[i]) == 0) {
2160 types |= type_types[i];
2161 goto found3;
2162 }
2163
2164 (void) fprintf(stderr,
2165 gettext("invalid type '%s'\n"), tok);
2166 usage(B_FALSE);
2167found3:;
e346ec25
AS		 2168 }
2169 break;
2170
34dc7c2f
BB		 2171 case '?':
2172 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2173 optopt);
2174 usage(B_FALSE);
2175 }
2176 }
2177
2178 argc -= optind;
2179 argv += optind;
2180
2181 if (argc < 1) {
2182 (void) fprintf(stderr, gettext("missing property "
2183 "argument\n"));
2184 usage(B_FALSE);
2185 }
2186
2187 fields = argv[0];
2188
df583073 2189 /*
8221bcf1
I		 2190 * Handle users who want to get all snapshots or bookmarks
2191 * of a dataset (ex. 'zfs get -t snapshot refer <dataset>').
df583073 2192 */
8221bcf1
I		 2193 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
2194 argc > 1 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 2195 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
2196 limit = 1;
2197 }
2198
34dc7c2f
BB		 2199 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
2200 != 0)
2201 usage(B_FALSE);
2202
2203 argc--;
2204 argv++;
2205
2206 /*
2207 * As part of zfs_expand_proplist(), we keep track of the maximum column
2208 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
2209 * need to know the maximum name length. However, the user likely did
2210 * not specify 'name' as one of the properties to fetch, so we need to
2211 * make sure we always include at least this property for
2212 * print_get_headers() to work properly.
2213 */
2214 if (cb.cb_proplist != NULL) {
2215 fake_name.pl_prop = ZFS_PROP_NAME;
2216 fake_name.pl_width = strlen(gettext("NAME"));
2217 fake_name.pl_next = cb.cb_proplist;
2218 cb.cb_proplist = &fake_name;
2219 }
2220
2221 cb.cb_first = B_TRUE;
2222
2223 /* run for each object */
e346ec25 2224 ret = zfs_for_each(argc, argv, flags, types, NULL,
9babb374 2225 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 2226
2227 if (cb.cb_proplist == &fake_name)
2228 zprop_free_list(fake_name.pl_next);
2229 else
2230 zprop_free_list(cb.cb_proplist);
2231
2232 return (ret);
2233}
2234
2235/*
428870ff 2236 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 2237 *
428870ff
BB		 2238 * -r Recurse over all children
2239 * -S Revert to received value, if any
34dc7c2f
BB		 2240 *
2241 * For each dataset specified on the command line, inherit the given property
2242 * from its parent. Inheriting a property at the pool level will cause it to
2243 * use the default value. The '-r' flag will recurse over all children, and is
2244 * useful for setting a property on a hierarchy-wide basis, regardless of any
2245 * local modifications for each dataset.
2246 */
2247
428870ff
BB		 2248typedef struct inherit_cbdata {
2249 const char *cb_propname;
2250 boolean_t cb_received;
2251} inherit_cbdata_t;
2252
34dc7c2f 2253static int
b128c09f 2254inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 2255{
428870ff
BB		 2256 inherit_cbdata_t *cb = data;
2257 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 2258
b128c09f
BB		 2259 /*
2260 * If we're doing it recursively, then ignore properties that
2261 * are not valid for this type of dataset.
2262 */
2263 if (prop != ZPROP_INVAL &&
962d5242 2264 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE))
b128c09f
BB		 2265 return (0);
2266
428870ff 2267 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 2268}
2269
2270static int
2271inherit_cb(zfs_handle_t *zhp, void *data)
2272{
428870ff 2273 inherit_cbdata_t *cb = data;
b128c09f 2274
428870ff 2275 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 2276}
2277
2278static int
2279zfs_do_inherit(int argc, char **argv)
2280{
34dc7c2f
BB		 2281 int c;
2282 zfs_prop_t prop;
428870ff 2283 inherit_cbdata_t cb = { 0 };
34dc7c2f 2284 char *propname;
ad60af8e 2285 int ret = 0;
b128c09f 2286 int flags = 0;
428870ff 2287 boolean_t received = B_FALSE;
34dc7c2f
BB		 2288
2289 /* check options */
428870ff 2290 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 2291 switch (c) {
2292 case 'r':
b128c09f 2293 flags |= ZFS_ITER_RECURSE;
34dc7c2f 2294 break;
428870ff
BB		 2295 case 'S':
2296 received = B_TRUE;
2297 break;
34dc7c2f
BB		 2298 case '?':
2299 default:
2300 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2301 optopt);
2302 usage(B_FALSE);
2303 }
2304 }
2305
2306 argc -= optind;
2307 argv += optind;
2308
2309 /* check number of arguments */
2310 if (argc < 1) {
2311 (void) fprintf(stderr, gettext("missing property argument\n"));
2312 usage(B_FALSE);
2313 }
2314 if (argc < 2) {
2315 (void) fprintf(stderr, gettext("missing dataset argument\n"));
2316 usage(B_FALSE);
2317 }
2318
2319 propname = argv[0];
2320 argc--;
2321 argv++;
2322
4ff7a8fa 2323 if ((prop = zfs_name_to_prop(propname)) != ZPROP_USERPROP) {
34dc7c2f
BB		 2324 if (zfs_prop_readonly(prop)) {
2325 (void) fprintf(stderr, gettext(
2326 "%s property is read-only\n"),
2327 propname);
2328 return (1);
2329 }
428870ff 2330 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 2331 (void) fprintf(stderr, gettext("'%s' property cannot "
2332 "be inherited\n"), propname);
2333 if (prop == ZFS_PROP_QUOTA ||
2334 prop == ZFS_PROP_RESERVATION ||
2335 prop == ZFS_PROP_REFQUOTA ||
0bf8501a 2336 prop == ZFS_PROP_REFRESERVATION) {
34dc7c2f
BB		 2337 (void) fprintf(stderr, gettext("use 'zfs set "
2338 "%s=none' to clear\n"), propname);
0bf8501a
PH		 2339 (void) fprintf(stderr, gettext("use 'zfs "
2340 "inherit -S %s' to revert to received "
2341 "value\n"), propname);
2342 }
34dc7c2f
BB		 2343 return (1);
2344 }
428870ff
BB		 2345 if (received && (prop == ZFS_PROP_VOLSIZE ||
2346 prop == ZFS_PROP_VERSION)) {
2347 (void) fprintf(stderr, gettext("'%s' property cannot "
2348 "be reverted to a received value\n"), propname);
2349 return (1);
2350 }
34dc7c2f
BB		 2351 } else if (!zfs_prop_user(propname)) {
2352 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
2353 propname);
2354 usage(B_FALSE);
2355 }
2356
428870ff
BB		 2357 cb.cb_propname = propname;
2358 cb.cb_received = received;
2359
b128c09f
BB		 2360 if (flags & ZFS_ITER_RECURSE) {
2361 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2362 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 2363 } else {
2364 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2365 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 2366 }
34dc7c2f
BB		 2367
2368 return (ret);
2369}
2370
2371typedef struct upgrade_cbdata {
2372 uint64_t cb_numupgraded;
2373 uint64_t cb_numsamegraded;
2374 uint64_t cb_numfailed;
2375 uint64_t cb_version;
2376 boolean_t cb_newer;
2377 boolean_t cb_foundone;
eca7b760 2378 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f
BB		 2379} upgrade_cbdata_t;
2380
2381static int
2382same_pool(zfs_handle_t *zhp, const char *name)
2383{
2384 int len1 = strcspn(name, "/@");
2385 const char *zhname = zfs_get_name(zhp);
2386 int len2 = strcspn(zhname, "/@");
2387
2388 if (len1 != len2)
2389 return (B_FALSE);
2390 return (strncmp(name, zhname, len1) == 0);
2391}
2392
2393static int
2394upgrade_list_callback(zfs_handle_t *zhp, void *data)
2395{
2396 upgrade_cbdata_t *cb = data;
2397 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
2398
2399 /* list if it's old/new */
2400 if ((!cb->cb_newer && version < ZPL_VERSION) ||
2401 (cb->cb_newer && version > ZPL_VERSION)) {
2402 char *str;
2403 if (cb->cb_newer) {
2404 str = gettext("The following filesystems are "
2405 "formatted using a newer software version and\n"
2406 "cannot be accessed on the current system.\n\n");
2407 } else {
2408 str = gettext("The following filesystems are "
2409 "out of date, and can be upgraded. After being\n"
2410 "upgraded, these filesystems (and any 'zfs send' "
2411 "streams generated from\n"
2412 "subsequent snapshots) will no longer be "
2413 "accessible by older software versions.\n\n");
2414 }
2415
2416 if (!cb->cb_foundone) {
2417 (void) puts(str);
2418 (void) printf(gettext("VER FILESYSTEM\n"));
2419 (void) printf(gettext("--- ------------\n"));
2420 cb->cb_foundone = B_TRUE;
2421 }
2422
2423 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
2424 }
2425
2426 return (0);
2427}
2428
2429static int
2430upgrade_set_callback(zfs_handle_t *zhp, void *data)
2431{
2432 upgrade_cbdata_t *cb = data;
2433 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 2434 int needed_spa_version;
2435 int spa_version;
2436
2437 if (zfs_spa_version(zhp, &spa_version) < 0)
2438 return (-1);
2439
2440 needed_spa_version = zfs_spa_version_map(cb->cb_version);
2441
2442 if (needed_spa_version < 0)
2443 return (-1);
2444
2445 if (spa_version < needed_spa_version) {
2446 /* can't upgrade */
2447 (void) printf(gettext("%s: can not be "
2448 "upgraded; the pool version needs to first "
2449 "be upgraded\nto version %d\n\n"),
2450 zfs_get_name(zhp), needed_spa_version);
2451 cb->cb_numfailed++;
2452 return (0);
34dc7c2f
BB		 2453 }
2454
2455 /* upgrade */
2456 if (version < cb->cb_version) {
f11431a3 2457 char verstr[24];
34dc7c2f 2458 (void) snprintf(verstr, sizeof (verstr),
b8864a23 2459 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 2460 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
2461 /*
2462 * If they did "zfs upgrade -a", then we could
2463 * be doing ioctls to different pools. We need
6f1ffb06
MA		 2464 * to log this history once to each pool, and bypass
2465 * the normal history logging that happens in main().
34dc7c2f 2466 */
6f1ffb06
MA		 2467 (void) zpool_log_history(g_zfs, history_str);
2468 log_history = B_FALSE;
34dc7c2f
BB		 2469 }
2470 if (zfs_prop_set(zhp, "version", verstr) == 0)
2471 cb->cb_numupgraded++;
2472 else
2473 cb->cb_numfailed++;
a51288aa
RY		 2474 (void) strlcpy(cb->cb_lastfs, zfs_get_name(zhp),
2475 sizeof (cb->cb_lastfs));
34dc7c2f
BB		 2476 } else if (version > cb->cb_version) {
2477 /* can't downgrade */
2478 (void) printf(gettext("%s: can not be downgraded; "
2479 "it is already at version %u\n"),
2480 zfs_get_name(zhp), version);
2481 cb->cb_numfailed++;
2482 } else {
2483 cb->cb_numsamegraded++;
2484 }
2485 return (0);
2486}
2487
2488/*
2489 * zfs upgrade
2490 * zfs upgrade -v
2491 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
2492 */
2493static int
2494zfs_do_upgrade(int argc, char **argv)
2495{
34dc7c2f
BB		 2496 boolean_t all = B_FALSE;
2497 boolean_t showversions = B_FALSE;
ad60af8e 2498 int ret = 0;
34dc7c2f 2499 upgrade_cbdata_t cb = { 0 };
0869b74a 2500 int c;
b128c09f 2501 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2502
2503 /* check options */
2504 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
2505 switch (c) {
2506 case 'r':
b128c09f 2507 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2508 break;
2509 case 'v':
2510 showversions = B_TRUE;
2511 break;
2512 case 'V':
2513 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
2514 optarg, &cb.cb_version) != 0) {
2515 (void) fprintf(stderr,
2516 gettext("invalid version %s\n"), optarg);
2517 usage(B_FALSE);
2518 }
2519 break;
2520 case 'a':
2521 all = B_TRUE;
2522 break;
2523 case '?':
2524 default:
2525 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2526 optopt);
2527 usage(B_FALSE);
2528 }
2529 }
2530
2531 argc -= optind;
2532 argv += optind;
2533
b128c09f 2534 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 2535 usage(B_FALSE);
b128c09f
BB		 2536 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
2537 cb.cb_version || argc))
34dc7c2f
BB		 2538 usage(B_FALSE);
2539 if ((all || argc) && (showversions))
2540 usage(B_FALSE);
2541 if (all && argc)
2542 usage(B_FALSE);
2543
2544 if (showversions) {
2545 /* Show info on available versions. */
2546 (void) printf(gettext("The following filesystem versions are "
2547 "supported:\n\n"));
2548 (void) printf(gettext("VER DESCRIPTION\n"));
2549 (void) printf("--- -----------------------------------------"
2550 "---------------\n");
2551 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2552 (void) printf(gettext(" 2 Enhanced directory entries\n"));
330d06f9
MA		 2553 (void) printf(gettext(" 3 Case insensitive and filesystem "
2554 "user identifier (FUID)\n"));
9babb374
BB		 2555 (void) printf(gettext(" 4 userquota, groupquota "
2556 "properties\n"));
428870ff 2557 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 2558 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 2559 "version, including supported releases,\n"));
2560 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 2561 ret = 0;
2562 } else if (argc || all) {
2563 /* Upgrade filesystems */
2564 if (cb.cb_version == 0)
2565 cb.cb_version = ZPL_VERSION;
b128c09f 2566 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2567 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 2568 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 2569 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 2570 if (cb.cb_numsamegraded) {
2571 (void) printf(gettext("%llu filesystems already at "
2572 "this version\n"),
b8864a23 2573 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 2574 }
2575 if (cb.cb_numfailed != 0)
2576 ret = 1;
2577 } else {
4e33ba4c 2578 /* List old-version filesystems */
34dc7c2f
BB		 2579 boolean_t found;
2580 (void) printf(gettext("This system is currently running "
2581 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
2582
b128c09f
BB		 2583 flags |= ZFS_ITER_RECURSE;
2584 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2585 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2586
2587 found = cb.cb_foundone;
2588 cb.cb_foundone = B_FALSE;
2589 cb.cb_newer = B_TRUE;
2590
6a42939f 2591 ret |= zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2592 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2593
2594 if (!cb.cb_foundone && !found) {
2595 (void) printf(gettext("All filesystems are "
2596 "formatted with the current version.\n"));
2597 }
2598 }
2599
2600 return (ret);
2601}
2602
5990da81
YP		 2603/*
2604 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2605 * [-S field [-S field]...] [-t type[,...]]
2606 * filesystem | snapshot | path
5990da81 2607 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
cf266775
AJ		 2608 * [-S field [-S field]...] [-t type[,...]]
2609 * filesystem | snapshot | path
9c5167d1 2610 * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...]
cf266775 2611 * [-S field [-S field]...] filesystem | snapshot | path
5990da81
YP		 2612 *
2613 * -H Scripted mode; elide headers and separate columns by tabs.
2614 * -i Translate SID to POSIX ID.
2615 * -n Print numeric ID instead of user/group name.
2616 * -o Control which fields to display.
54d5378f 2617 * -p Use exact (parsable) numeric output.
5990da81
YP		 2618 * -s Specify sort columns, descending order.
2619 * -S Specify sort columns, ascending order.
2620 * -t Control which object types to display.
2621 *
2622 * Displays space consumed by, and quotas on, each user in the specified
2623 * filesystem or snapshot.
2624 */
0b7936d5 2625
5990da81
YP		 2626/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2627enum us_field_types {
2628 USFIELD_TYPE,
2629 USFIELD_NAME,
2630 USFIELD_USED,
1de321e6
JX		 2631 USFIELD_QUOTA,
2632 USFIELD_OBJUSED,
2633 USFIELD_OBJQUOTA
5990da81 2634};
a926aab9 2635static const char *const us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA",
1de321e6 2636 "OBJUSED", "OBJQUOTA" };
a926aab9 2637static const char *const us_field_names[] = { "type", "name", "used", "quota",
1de321e6 2638 "objused", "objquota" };
5990da81 2639#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
0b7936d5 2640
5990da81
YP		 2641#define USTYPE_PSX_GRP (1 << 0)
2642#define USTYPE_PSX_USR (1 << 1)
2643#define USTYPE_SMB_GRP (1 << 2)
2644#define USTYPE_SMB_USR (1 << 3)
9c5167d1 2645#define USTYPE_PROJ (1 << 4)
5990da81 2646#define USTYPE_ALL \
9c5167d1
NF		 2647 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \
2648 USTYPE_PROJ)
0b7936d5 2649
5990da81
YP		 2650static int us_type_bits[] = {
2651 USTYPE_PSX_GRP,
2652 USTYPE_PSX_USR,
2653 USTYPE_SMB_GRP,
2654 USTYPE_SMB_USR,
2655 USTYPE_ALL
2656};
a926aab9
AZ		 2657static const char *const us_type_names[] = { "posixgroup", "posixuser",
2658 "smbgroup", "smbuser", "all" };
0b7936d5
AS		 2659
2660typedef struct us_node {
2661 nvlist_t *usn_nvl;
2662 uu_avl_node_t usn_avlnode;
2663 uu_list_node_t usn_listnode;
2664} us_node_t;
2665
2666typedef struct us_cbdata {
5990da81
YP		 2667 nvlist_t **cb_nvlp;
2668 uu_avl_pool_t *cb_avl_pool;
2669 uu_avl_t *cb_avl;
2670 boolean_t cb_numname;
2671 boolean_t cb_nicenum;
2672 boolean_t cb_sid2posix;
2673 zfs_userquota_prop_t cb_prop;
2674 zfs_sort_column_t *cb_sortcol;
2675 size_t cb_width[USFIELD_LAST];
0b7936d5
AS		 2676} us_cbdata_t;
2677
5990da81
YP		 2678static boolean_t us_populated = B_FALSE;
2679
0b7936d5
AS		 2680typedef struct {
2681 zfs_sort_column_t *si_sortcol;
5990da81 2682 boolean_t si_numname;
0b7936d5
AS		 2683} us_sort_info_t;
2684
5990da81 2685static int
a926aab9 2686us_field_index(const char *field)
5990da81 2687{
a926aab9 2688 for (int i = 0; i < USFIELD_LAST; i++) {
5990da81
YP		 2689 if (strcmp(field, us_field_names[i]) == 0)
2690 return (i);
2691 }
2692
2693 return (-1);
2694}
2695
0b7936d5
AS		 2696static int
2697us_compare(const void *larg, const void *rarg, void *unused)
2698{
2699 const us_node_t *l = larg;
2700 const us_node_t *r = rarg;
0b7936d5
AS		 2701 us_sort_info_t *si = (us_sort_info_t *)unused;
2702 zfs_sort_column_t *sortcol = si->si_sortcol;
5990da81 2703 boolean_t numname = si->si_numname;
0b7936d5
AS		 2704 nvlist_t *lnvl = l->usn_nvl;
2705 nvlist_t *rnvl = r->usn_nvl;
5990da81
YP		 2706 int rc = 0;
2707 boolean_t lvb, rvb;
0b7936d5
AS		 2708
2709 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
d1807f16
RY		 2710 const char *lvstr = "";
2711 const char *rvstr = "";
0b7936d5
AS		 2712 uint32_t lv32 = 0;
2713 uint32_t rv32 = 0;
2714 uint64_t lv64 = 0;
2715 uint64_t rv64 = 0;
2716 zfs_prop_t prop = sortcol->sc_prop;
2717 const char *propname = NULL;
2718 boolean_t reverse = sortcol->sc_reverse;
2719
2720 switch (prop) {
2721 case ZFS_PROP_TYPE:
2722 propname = "type";
2723 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
2724 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
2725 if (rv32 != lv32)
5990da81 2726 rc = (rv32 < lv32) ? 1 : -1;
0b7936d5
AS		 2727 break;
2728 case ZFS_PROP_NAME:
2729 propname = "name";
5990da81 2730 if (numname) {
88cfff18 2731compare_nums:
5990da81
YP		 2732 (void) nvlist_lookup_uint64(lnvl, propname,
2733 &lv64);
2734 (void) nvlist_lookup_uint64(rnvl, propname,
2735 &rv64);
2736 if (rv64 != lv64)
2737 rc = (rv64 < lv64) ? 1 : -1;
0b7936d5 2738 } else {
88cfff18 2739 if ((nvlist_lookup_string(lnvl, propname,
02730c33 2740 &lvstr) == ENOENT) ||
88cfff18 2741 (nvlist_lookup_string(rnvl, propname,
02730c33 2742 &rvstr) == ENOENT)) {
88cfff18
PB		 2743 goto compare_nums;
2744 }
0b7936d5
AS		 2745 rc = strcmp(lvstr, rvstr);
2746 }
2747 break;
0b7936d5
AS		 2748 case ZFS_PROP_USED:
2749 case ZFS_PROP_QUOTA:
5990da81
YP		 2750 if (!us_populated)
2751 break;
2752 if (prop == ZFS_PROP_USED)
0b7936d5
AS		 2753 propname = "used";
2754 else
2755 propname = "quota";
2756 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
2757 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
2758 if (rv64 != lv64)
5990da81
YP		 2759 rc = (rv64 < lv64) ? 1 : -1;
2760 break;
648a09ad 2761
0b7936d5
AS		 2762 default:
2763 break;
2764 }
2765
5990da81 2766 if (rc != 0) {
0b7936d5
AS		 2767 if (rc < 0)
2768 return (reverse ? 1 : -1);
2769 else
2770 return (reverse ? -1 : 1);
2771 }
2772 }
2773
5990da81
YP		 2774 /*
2775 * If entries still seem to be the same, check if they are of the same
2776 * type (smbentity is added only if we are doing SID to POSIX ID
2777 * translation where we can have duplicate type/name combinations).
2778 */
2779 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
2780 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
2781 lvb != rvb)
2782 return (lvb < rvb ? -1 : 1);
2783
2784 return (0);
0b7936d5
AS		 2785}
2786
1de321e6
JX		 2787static boolean_t
2788zfs_prop_is_user(unsigned p)
2789{
2790 return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA ||
2791 p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA);
2792}
2793
2794static boolean_t
2795zfs_prop_is_group(unsigned p)
2796{
2797 return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA ||
2798 p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA);
2799}
2800
9c5167d1
NF		 2801static boolean_t
2802zfs_prop_is_project(unsigned p)
2803{
2804 return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA ||
2805 p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA);
2806}
2807
0b7936d5
AS		 2808static inline const char *
2809us_type2str(unsigned field_type)
2810{
2811 switch (field_type) {
2812 case USTYPE_PSX_USR:
2813 return ("POSIX User");
2814 case USTYPE_PSX_GRP:
2815 return ("POSIX Group");
2816 case USTYPE_SMB_USR:
2817 return ("SMB User");
2818 case USTYPE_SMB_GRP:
2819 return ("SMB Group");
9c5167d1
NF		 2820 case USTYPE_PROJ:
2821 return ("Project");
0b7936d5
AS		 2822 default:
2823 return ("Undefined");
2824 }
2825}
2826
9babb374
BB		 2827static int
2828userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
2829{
0b7936d5
AS		 2830 us_cbdata_t *cb = (us_cbdata_t *)arg;
2831 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 2832 char *name = NULL;
a926aab9 2833 const char *propname;
9babb374 2834 char sizebuf[32];
0b7936d5
AS		 2835 us_node_t *node;
2836 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
2837 uu_avl_t *avl = cb->cb_avl;
2838 uu_avl_index_t idx;
2839 nvlist_t *props;
2840 us_node_t *n;
2841 zfs_sort_column_t *sortcol = cb->cb_sortcol;
5990da81 2842 unsigned type = 0;
0b7936d5
AS		 2843 const char *typestr;
2844 size_t namelen;
2845 size_t typelen;
2846 size_t sizelen;
5990da81 2847 int typeidx, nameidx, sizeidx;
0b7936d5 2848 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
5990da81 2849 boolean_t smbentity = B_FALSE;
9babb374 2850
5990da81
YP		 2851 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
2852 nomem();
2853 node = safe_malloc(sizeof (us_node_t));
2854 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2855 node->usn_nvl = props;
2856
2857 if (domain != NULL && domain[0] != '\0') {
0b7936d5 2858#ifdef HAVE_IDMAP
5990da81 2859 /* SMB */
eca7b760 2860 char sid[MAXNAMELEN + 32];
0b7936d5
AS		 2861 uid_t id;
2862 uint64_t classes;
5990da81 2863 int err;
0b7936d5
AS		 2864 directory_error_t e;
2865
5990da81
YP		 2866 smbentity = B_TRUE;
2867
0b7936d5 2868 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
5990da81 2869
0b7936d5
AS		 2870 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2871 type = USTYPE_SMB_GRP;
2872 err = sid_to_id(sid, B_FALSE, &id);
2873 } else {
2874 type = USTYPE_SMB_USR;
2875 err = sid_to_id(sid, B_TRUE, &id);
2876 }
2877
2878 if (err == 0) {
2879 rid = id;
5990da81
YP		 2880 if (!cb->cb_sid2posix) {
2881 e = directory_name_from_sid(NULL, sid, &name,
2882 &classes);
105afebb 2883 if (e != NULL)
5990da81 2884 directory_error_free(e);
5990da81
YP		 2885 if (name == NULL)
2886 name = sid;
0b7936d5 2887 }
0b7936d5
AS		 2888 }
2889#else
5990da81
YP		 2890 nvlist_free(props);
2891 free(node);
2892
0b7936d5
AS		 2893 return (-1);
2894#endif /* HAVE_IDMAP */
9babb374
BB		 2895 }
2896
5990da81
YP		 2897 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
2898 /* POSIX or -i */
1de321e6 2899 if (zfs_prop_is_group(prop)) {
5990da81
YP		 2900 type = USTYPE_PSX_GRP;
2901 if (!cb->cb_numname) {
2902 struct group *g;
0b7936d5 2903
5990da81
YP		 2904 if ((g = getgrgid(rid)) != NULL)
2905 name = g->gr_name;
2906 }
9c5167d1 2907 } else if (zfs_prop_is_user(prop)) {
5990da81
YP		 2908 type = USTYPE_PSX_USR;
2909 if (!cb->cb_numname) {
2910 struct passwd *p;
0b7936d5 2911
5990da81
YP		 2912 if ((p = getpwuid(rid)) != NULL)
2913 name = p->pw_name;
2914 }
9c5167d1
NF		 2915 } else {
2916 type = USTYPE_PROJ;
5990da81 2917 }
0b7936d5
AS		 2918 }
2919
5990da81
YP		 2920 /*
2921 * Make sure that the type/name combination is unique when doing
2922 * SID to POSIX ID translation (hence changing the type from SMB to
2923 * POSIX).
2924 */
2925 if (cb->cb_sid2posix &&
2926 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
2927 nomem();
2928
2929 /* Calculate/update width of TYPE field */
2930 typestr = us_type2str(type);
2931 typelen = strlen(gettext(typestr));
2932 typeidx = us_field_index("type");
2933 if (typelen > cb->cb_width[typeidx])
2934 cb->cb_width[typeidx] = typelen;
0b7936d5
AS		 2935 if (nvlist_add_uint32(props, "type", type) != 0)
2936 nomem();
2937
5990da81
YP		 2938 /* Calculate/update width of NAME field */
2939 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
2940 if (nvlist_add_uint64(props, "name", rid) != 0)
0b7936d5 2941 nomem();
5990da81 2942 namelen = snprintf(NULL, 0, "%u", rid);
0b7936d5
AS		 2943 } else {
2944 if (nvlist_add_string(props, "name", name) != 0)
2945 nomem();
2946 namelen = strlen(name);
2947 }
5990da81 2948 nameidx = us_field_index("name");
81eb8a1f 2949 if (nameidx >= 0 && namelen > cb->cb_width[nameidx])
5990da81 2950 cb->cb_width[nameidx] = namelen;
0b7936d5 2951
5990da81
YP		 2952 /*
2953 * Check if this type/name combination is in the list and update it;
2954 * otherwise add new node to the list.
2955 */
2956 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
0b7936d5 2957 uu_avl_insert(avl, node, idx);
5990da81 2958 } else {
0b7936d5
AS		 2959 nvlist_free(props);
2960 free(node);
2961 node = n;
2962 props = node->usn_nvl;
9babb374 2963 }
9babb374 2964
5990da81 2965 /* Calculate/update width of USED/QUOTA fields */
e7fbeb60 2966 if (cb->cb_nicenum) {
2967 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
9c5167d1
NF		 2968 prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2969 prop == ZFS_PROP_PROJECTUSED ||
2970 prop == ZFS_PROP_PROJECTQUOTA) {
e7fbeb60 2971 zfs_nicebytes(space, sizebuf, sizeof (sizebuf));
2972 } else {
2973 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2974 }
2975 } else {
5990da81
YP		 2976 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
2977 (u_longlong_t)space);
e7fbeb60 2978 }
5990da81 2979 sizelen = strlen(sizebuf);
9c5167d1
NF		 2980 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
2981 prop == ZFS_PROP_PROJECTUSED) {
5990da81
YP		 2982 propname = "used";
2983 if (!nvlist_exists(props, "quota"))
2984 (void) nvlist_add_uint64(props, "quota", 0);
9c5167d1
NF		 2985 } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2986 prop == ZFS_PROP_PROJECTQUOTA) {
5990da81
YP		 2987 propname = "quota";
2988 if (!nvlist_exists(props, "used"))
2989 (void) nvlist_add_uint64(props, "used", 0);
1de321e6 2990 } else if (prop == ZFS_PROP_USEROBJUSED ||
9c5167d1 2991 prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) {
1de321e6
JX		 2992 propname = "objused";
2993 if (!nvlist_exists(props, "objquota"))
2994 (void) nvlist_add_uint64(props, "objquota", 0);
2995 } else if (prop == ZFS_PROP_USEROBJQUOTA ||
9c5167d1
NF		 2996 prop == ZFS_PROP_GROUPOBJQUOTA ||
2997 prop == ZFS_PROP_PROJECTOBJQUOTA) {
1de321e6
JX		 2998 propname = "objquota";
2999 if (!nvlist_exists(props, "objused"))
3000 (void) nvlist_add_uint64(props, "objused", 0);
3001 } else {
3002 return (-1);
5990da81
YP		 3003 }
3004 sizeidx = us_field_index(propname);
81eb8a1f 3005 if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx])
5990da81
YP		 3006 cb->cb_width[sizeidx] = sizelen;
3007
0b7936d5
AS		 3008 if (nvlist_add_uint64(props, propname, space) != 0)
3009 nomem();
3010
3011 return (0);
3012}
3013
0b7936d5 3014static void
5990da81
YP		 3015print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
3016 size_t *width, us_node_t *node)
0b7936d5
AS		 3017{
3018 nvlist_t *nvl = node->usn_nvl;
eca7b760 3019 char valstr[MAXNAMELEN];
0b7936d5 3020 boolean_t first = B_TRUE;
5990da81
YP		 3021 int cfield = 0;
3022 int field;
3023 uint32_t ustype;
3024
3025 /* Check type */
3026 (void) nvlist_lookup_uint32(nvl, "type", &ustype);
3027 if (!(ustype & types))
3028 return;
3029
3030 while ((field = fields[cfield]) != USFIELD_LAST) {
3031 nvpair_t *nvp = NULL;
3032 data_type_t type;
a926aab9
AZ		 3033 uint32_t val32 = -1;
3034 uint64_t val64 = -1;
3035 const char *strval = "-";
5990da81 3036
a926aab9 3037 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL)
5990da81
YP		 3038 if (strcmp(nvpair_name(nvp),
3039 us_field_names[field]) == 0)
0b7936d5 3040 break;
0b7936d5 3041
1de321e6 3042 type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp);
0b7936d5
AS		 3043 switch (type) {
3044 case DATA_TYPE_UINT32:
a926aab9 3045 val32 = fnvpair_value_uint32(nvp);
0b7936d5
AS		 3046 break;
3047 case DATA_TYPE_UINT64:
a926aab9 3048 val64 = fnvpair_value_uint64(nvp);
0b7936d5
AS		 3049 break;
3050 case DATA_TYPE_STRING:
a926aab9 3051 strval = fnvpair_value_string(nvp);
0b7936d5 3052 break;
1de321e6
JX		 3053 case DATA_TYPE_UNKNOWN:
3054 break;
0b7936d5 3055 default:
5990da81 3056 (void) fprintf(stderr, "invalid data type\n");
0b7936d5
AS		 3057 }
3058
3059 switch (field) {
3060 case USFIELD_TYPE:
1de321e6 3061 if (type == DATA_TYPE_UINT32)
a926aab9 3062 strval = us_type2str(val32);
0b7936d5
AS		 3063 break;
3064 case USFIELD_NAME:
3065 if (type == DATA_TYPE_UINT64) {
3066 (void) sprintf(valstr, "%llu",
02730c33 3067 (u_longlong_t)val64);
0b7936d5
AS		 3068 strval = valstr;
3069 }
0b7936d5
AS		 3070 break;
3071 case USFIELD_USED:
3072 case USFIELD_QUOTA:
e7fbeb60 3073 if (type == DATA_TYPE_UINT64) {
3074 if (parsable) {
3075 (void) sprintf(valstr, "%llu",
3076 (u_longlong_t)val64);
3077 strval = valstr;
3078 } else if (field == USFIELD_QUOTA &&
3079 val64 == 0) {
3080 strval = "none";
3081 } else {
3082 zfs_nicebytes(val64, valstr,
3083 sizeof (valstr));
3084 strval = valstr;
3085 }
3086 }
3087 break;
1de321e6
JX		 3088 case USFIELD_OBJUSED:
3089 case USFIELD_OBJQUOTA:
0b7936d5 3090 if (type == DATA_TYPE_UINT64) {
5990da81 3091 if (parsable) {
0b7936d5 3092 (void) sprintf(valstr, "%llu",
02730c33 3093 (u_longlong_t)val64);
e7fbeb60 3094 strval = valstr;
3095 } else if (field == USFIELD_OBJQUOTA &&
3096 val64 == 0) {
3097 strval = "none";
5990da81 3098 } else {
0b7936d5
AS		 3099 zfs_nicenum(val64, valstr,
3100 sizeof (valstr));
5990da81 3101 strval = valstr;
e7fbeb60 3102 }
0b7936d5 3103 }
0b7936d5
AS		 3104 break;
3105 }
3106
5990da81
YP		 3107 if (!first) {
3108 if (scripted)
a926aab9 3109 (void) putchar('\t');
0b7936d5 3110 else
a926aab9 3111 (void) fputs(" ", stdout);
0b7936d5 3112 }
5990da81 3113 if (scripted)
a926aab9 3114 (void) fputs(strval, stdout);
5990da81 3115 else if (field == USFIELD_TYPE || field == USFIELD_NAME)
02730c33 3116 (void) printf("%-*s", (int)width[field], strval);
5990da81 3117 else
02730c33 3118 (void) printf("%*s", (int)width[field], strval);
0b7936d5
AS		 3119
3120 first = B_FALSE;
5990da81 3121 cfield++;
0b7936d5
AS		 3122 }
3123
a926aab9 3124 (void) putchar('\n');
0b7936d5
AS		 3125}
3126
3127static void
5990da81
YP		 3128print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
3129 size_t *width, boolean_t rmnode, uu_avl_t *avl)
0b7936d5 3130{
0b7936d5
AS		 3131 us_node_t *node;
3132 const char *col;
5990da81
YP		 3133 int cfield = 0;
3134 int field;
0b7936d5
AS		 3135
3136 if (!scripted) {
3137 boolean_t first = B_TRUE;
5990da81
YP		 3138
3139 while ((field = fields[cfield]) != USFIELD_LAST) {
3140 col = gettext(us_field_hdr[field]);
3141 if (field == USFIELD_TYPE || field == USFIELD_NAME) {
3142 (void) printf(first ? "%-*s" : " %-*s",
02730c33 3143 (int)width[field], col);
5990da81
YP		 3144 } else {
3145 (void) printf(first ? "%*s" : " %*s",
02730c33 3146 (int)width[field], col);
5990da81 3147 }
0b7936d5 3148 first = B_FALSE;
5990da81 3149 cfield++;
0b7936d5
AS		 3150 }
3151 (void) printf("\n");
3152 }
3153
5990da81
YP		 3154 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
3155 print_us_node(scripted, parsable, fields, types, width, node);
0b7936d5
AS		 3156 if (rmnode)
3157 nvlist_free(node->usn_nvl);
3158 }
3159}
3160
9babb374
BB		 3161static int
3162zfs_do_userspace(int argc, char **argv)
3163{
3164 zfs_handle_t *zhp;
3165 zfs_userquota_prop_t p;
0b7936d5
AS		 3166 uu_avl_pool_t *avl_pool;
3167 uu_avl_t *avl_tree;
3168 uu_avl_walk_t *walk;
5990da81 3169 char *delim;
1de321e6 3170 char deffields[] = "type,name,used,quota,objused,objquota";
5990da81
YP		 3171 char *ofield = NULL;
3172 char *tfield = NULL;
3173 int cfield = 0;
3174 int fields[256];
3175 int i;
0b7936d5
AS		 3176 boolean_t scripted = B_FALSE;
3177 boolean_t prtnum = B_FALSE;
5990da81 3178 boolean_t parsable = B_FALSE;
0b7936d5 3179 boolean_t sid2posix = B_FALSE;
105afebb 3180 int ret = 0;
0b7936d5 3181 int c;
0b7936d5 3182 zfs_sort_column_t *sortcol = NULL;
5990da81 3183 int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
0b7936d5
AS		 3184 us_cbdata_t cb;
3185 us_node_t *node;
5990da81
YP		 3186 us_node_t *rmnode;
3187 uu_list_pool_t *listpool;
3188 uu_list_t *list;
3189 uu_avl_index_t idx = 0;
3190 uu_list_index_t idx2 = 0;
0b7936d5
AS		 3191
3192 if (argc < 2)
3193 usage(B_FALSE);
3194
9c5167d1 3195 if (strcmp(argv[0], "groupspace") == 0) {
5990da81 3196 /* Toggle default group types */
0b7936d5 3197 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
9c5167d1
NF		 3198 } else if (strcmp(argv[0], "projectspace") == 0) {
3199 types = USTYPE_PROJ;
3200 prtnum = B_TRUE;
3201 }
0b7936d5 3202
0b7936d5
AS		 3203 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
3204 switch (c) {
3205 case 'n':
9c5167d1
NF		 3206 if (types == USTYPE_PROJ) {
3207 (void) fprintf(stderr,
3208 gettext("invalid option 'n'\n"));
3209 usage(B_FALSE);
3210 }
0b7936d5
AS		 3211 prtnum = B_TRUE;
3212 break;
3213 case 'H':
3214 scripted = B_TRUE;
3215 break;
3216 case 'p':
5990da81 3217 parsable = B_TRUE;
0b7936d5
AS		 3218 break;
3219 case 'o':
5990da81 3220 ofield = optarg;
0b7936d5
AS		 3221 break;
3222 case 's':
0b7936d5
AS		 3223 case 'S':
3224 if (zfs_add_sort_column(&sortcol, optarg,
5990da81 3225 c == 's' ? B_FALSE : B_TRUE) != 0) {
0b7936d5 3226 (void) fprintf(stderr,
5990da81 3227 gettext("invalid field '%s'\n"), optarg);
0b7936d5
AS		 3228 usage(B_FALSE);
3229 }
3230 break;
3231 case 't':
9c5167d1
NF		 3232 if (types == USTYPE_PROJ) {
3233 (void) fprintf(stderr,
3234 gettext("invalid option 't'\n"));
3235 usage(B_FALSE);
3236 }
5990da81 3237 tfield = optarg;
0b7936d5
AS		 3238 break;
3239 case 'i':
9c5167d1
NF		 3240 if (types == USTYPE_PROJ) {
3241 (void) fprintf(stderr,
3242 gettext("invalid option 'i'\n"));
3243 usage(B_FALSE);
3244 }
0b7936d5
AS		 3245 sid2posix = B_TRUE;
3246 break;
3247 case ':':
3248 (void) fprintf(stderr, gettext("missing argument for "
3249 "'%c' option\n"), optopt);
3250 usage(B_FALSE);
3251 break;
3252 case '?':
3253 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3254 optopt);
3255 usage(B_FALSE);
3256 }
3257 }
3258
3259 argc -= optind;
3260 argv += optind;
3261
5990da81
YP		 3262 if (argc < 1) {
3263 (void) fprintf(stderr, gettext("missing dataset name\n"));
3264 usage(B_FALSE);
3265 }
3266 if (argc > 1) {
3267 (void) fprintf(stderr, gettext("too many arguments\n"));
3268 usage(B_FALSE);
0b7936d5
AS		 3269 }
3270
5990da81
YP		 3271 /* Use default output fields if not specified using -o */
3272 if (ofield == NULL)
3273 ofield = deffields;
3274 do {
3275 if ((delim = strchr(ofield, ',')) != NULL)
3276 *delim = '\0';
3277 if ((fields[cfield++] = us_field_index(ofield)) == -1) {
3278 (void) fprintf(stderr, gettext("invalid type '%s' "
3279 "for -o option\n"), ofield);
3280 return (-1);
3281 }
3282 if (delim != NULL)
3283 ofield = delim + 1;
3284 } while (delim != NULL);
3285 fields[cfield] = USFIELD_LAST;
3286
3287 /* Override output types (-t option) */
3288 if (tfield != NULL) {
3289 types = 0;
3290
3291 do {
3292 boolean_t found = B_FALSE;
3293
3294 if ((delim = strchr(tfield, ',')) != NULL)
3295 *delim = '\0';
3296 for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
3297 i++) {
3298 if (strcmp(tfield, us_type_names[i]) == 0) {
3299 found = B_TRUE;
3300 types |= us_type_bits[i];
3301 break;
3302 }
3303 }
3304 if (!found) {
3305 (void) fprintf(stderr, gettext("invalid type "
3306 "'%s' for -t option\n"), tfield);
3307 return (-1);
3308 }
3309 if (delim != NULL)
3310 tfield = delim + 1;
3311 } while (delim != NULL);
3312 }
9babb374 3313
cf266775 3314 if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM |
7646af20 3315 ZFS_TYPE_SNAPSHOT)) == NULL)
9babb374 3316 return (1);
757df529 3317 if (zfs_get_underlying_type(zhp) != ZFS_TYPE_FILESYSTEM) {
7646af20 3318 (void) fprintf(stderr, gettext("operation is only applicable "
3319 "to filesystems and their snapshots\n"));
3320 zfs_close(zhp);
3321 return (1);
3322 }
9babb374 3323
0b7936d5 3324 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
5990da81 3325 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
0b7936d5
AS		 3326 nomem();
3327 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
3328 nomem();
3329
5990da81
YP		 3330 /* Always add default sorting columns */
3331 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
3332 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
3333
3334 cb.cb_sortcol = sortcol;
0b7936d5 3335 cb.cb_numname = prtnum;
5990da81 3336 cb.cb_nicenum = !parsable;
0b7936d5
AS		 3337 cb.cb_avl_pool = avl_pool;
3338 cb.cb_avl = avl_tree;
3339 cb.cb_sid2posix = sid2posix;
5990da81
YP		 3340
3341 for (i = 0; i < USFIELD_LAST; i++)
3342 cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
9babb374
BB		 3343
3344 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
1de321e6 3345 if ((zfs_prop_is_user(p) &&
5990da81 3346 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
1de321e6 3347 (zfs_prop_is_group(p) &&
9c5167d1
NF		 3348 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) ||
3349 (zfs_prop_is_project(p) && types != USTYPE_PROJ))
0b7936d5 3350 continue;
1de321e6 3351
0b7936d5 3352 cb.cb_prop = p;
7646af20 3353 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) {
3354 zfs_close(zhp);
105afebb 3355 return (ret);
7646af20 3356 }
9babb374 3357 }
7646af20 3358 zfs_close(zhp);
0b7936d5 3359
5990da81 3360 /* Sort the list */
105afebb
YP		 3361 if ((node = uu_avl_first(avl_tree)) == NULL)
3362 return (0);
3363
5990da81 3364 us_populated = B_TRUE;
105afebb 3365
5990da81
YP		 3366 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
3367 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
3368 list = uu_list_create(listpool, NULL, UU_DEFAULT);
5990da81 3369 uu_list_node_init(node, &node->usn_listnode, listpool);
0b7936d5 3370
5990da81
YP		 3371 while (node != NULL) {
3372 rmnode = node;
3373 node = uu_avl_next(avl_tree, node);
3374 uu_avl_remove(avl_tree, rmnode);
3375 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
3376 uu_list_insert(list, rmnode, idx2);
3377 }
0b7936d5 3378
5990da81
YP		 3379 for (node = uu_list_first(list); node != NULL;
3380 node = uu_list_next(list, node)) {
3381 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
3382
3383 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
3384 uu_avl_insert(avl_tree, node, idx);
0b7936d5
AS		 3385 }
3386
5990da81
YP		 3387 uu_list_destroy(list);
3388 uu_list_pool_destroy(listpool);
0b7936d5 3389
5990da81
YP		 3390 /* Print and free node nvlist memory */
3391 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
3392 cb.cb_avl);
0b7936d5 3393
5990da81
YP		 3394 zfs_free_sort_columns(sortcol);
3395
3396 /* Clean up the AVL tree */
0b7936d5
AS		 3397 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
3398 nomem();
3399
3400 while ((node = uu_avl_walk_next(walk)) != NULL) {
3401 uu_avl_remove(cb.cb_avl, node);
3402 free(node);
3403 }
3404
3405 uu_avl_walk_end(walk);
3406 uu_avl_destroy(avl_tree);
3407 uu_avl_pool_destroy(avl_pool);
3408
105afebb 3409 return (ret);
9babb374
BB		 3410}
3411
3412/*
54d5378f
YP		 3413 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
3414 * [-t type[,...]] [filesystem|volume|snapshot] ...
34dc7c2f 3415 *
54d5378f
YP		 3416 * -H Scripted mode; elide headers and separate columns by tabs
3417 * -p Display values in parsable (literal) format.
428870ff
BB		 3418 * -r Recurse over all children
3419 * -d Limit recursion by depth.
428870ff 3420 * -o Control which fields to display.
34dc7c2f
BB		 3421 * -s Specify sort columns, descending order.
3422 * -S Specify sort columns, ascending order.
54d5378f 3423 * -t Control which object types to display.
34dc7c2f 3424 *
54d5378f 3425 * When given no arguments, list all filesystems in the system.
34dc7c2f
BB		 3426 * Otherwise, list the specified datasets, optionally recursing down them if
3427 * '-r' is specified.
3428 */
3429typedef struct list_cbdata {
3430 boolean_t cb_first;
54d5378f 3431 boolean_t cb_literal;
34dc7c2f
BB		 3432 boolean_t cb_scripted;
3433 zprop_list_t *cb_proplist;
3434} list_cbdata_t;
3435
3436/*
3437 * Given a list of columns to display, output appropriate headers for each one.
3438 */
3439static void
54d5378f 3440print_header(list_cbdata_t *cb)
34dc7c2f 3441{
54d5378f 3442 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3443 char headerbuf[ZFS_MAXPROPLEN];
3444 const char *header;
3445 int i;
3446 boolean_t first = B_TRUE;
3447 boolean_t right_justify;
3448
2bd0490f
TR		 3449 color_start(ANSI_BOLD);
3450
34dc7c2f
BB		 3451 for (; pl != NULL; pl = pl->pl_next) {
3452 if (!first) {
3453 (void) printf(" ");
3454 } else {
3455 first = B_FALSE;
3456 }
3457
3458 right_justify = B_FALSE;
4ff7a8fa 3459 if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f
BB		 3460 header = zfs_prop_column_name(pl->pl_prop);
3461 right_justify = zfs_prop_align_right(pl->pl_prop);
3462 } else {
3463 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
3464 headerbuf[i] = toupper(pl->pl_user_prop[i]);
3465 headerbuf[i] = '\0';
3466 header = headerbuf;
3467 }
3468
3469 if (pl->pl_next == NULL && !right_justify)
3470 (void) printf("%s", header);
3471 else if (right_justify)
b8864a23 3472 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 3473 else
b8864a23 3474 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 3475 }
3476
2bd0490f
TR		 3477 color_end();
3478
34dc7c2f
BB		 3479 (void) printf("\n");
3480}
3481
2bd0490f
TR		 3482/*
3483 * Decides on the color that the avail value should be printed in.
3484 * > 80% used = yellow
3485 * > 90% used = red
3486 */
3487static const char *
3488zfs_list_avail_color(zfs_handle_t *zhp)
3489{
3490 uint64_t used = zfs_prop_get_int(zhp, ZFS_PROP_USED);
3491 uint64_t avail = zfs_prop_get_int(zhp, ZFS_PROP_AVAILABLE);
3492 int percentage = (int)((double)avail / MAX(avail + used, 1) * 100);
3493
3494 if (percentage > 20)
3495 return (NULL);
3496 else if (percentage > 10)
3497 return (ANSI_YELLOW);
3498 else
3499 return (ANSI_RED);
3500}
3501
34dc7c2f
BB		 3502/*
3503 * Given a dataset and a list of fields, print out all the properties according
3504 * to the described layout.
3505 */
3506static void
54d5378f 3507print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
34dc7c2f 3508{
54d5378f 3509 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3510 boolean_t first = B_TRUE;
3511 char property[ZFS_MAXPROPLEN];
3512 nvlist_t *userprops = zfs_get_user_props(zhp);
3513 nvlist_t *propval;
a926aab9 3514 const char *propstr;
34dc7c2f 3515 boolean_t right_justify;
34dc7c2f
BB		 3516
3517 for (; pl != NULL; pl = pl->pl_next) {
3518 if (!first) {
54d5378f 3519 if (cb->cb_scripted)
a926aab9 3520 (void) putchar('\t');
34dc7c2f 3521 else
a926aab9 3522 (void) fputs(" ", stdout);
34dc7c2f
BB		 3523 } else {
3524 first = B_FALSE;
3525 }
3526
0cee2406
PJD		 3527 if (pl->pl_prop == ZFS_PROP_NAME) {
3528 (void) strlcpy(property, zfs_get_name(zhp),
d1d7e268 3529 sizeof (property));
0cee2406
PJD		 3530 propstr = property;
3531 right_justify = zfs_prop_align_right(pl->pl_prop);
4ff7a8fa 3532 } else if (pl->pl_prop != ZPROP_USERPROP) {
34dc7c2f 3533 if (zfs_prop_get(zhp, pl->pl_prop, property,
54d5378f 3534 sizeof (property), NULL, NULL, 0,
d1d7e268 3535 cb->cb_literal) != 0)
34dc7c2f
BB		 3536 propstr = "-";
3537 else
3538 propstr = property;
34dc7c2f 3539 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 3540 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
3541 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
54d5378f 3542 property, sizeof (property), cb->cb_literal) != 0)
9babb374
BB		 3543 propstr = "-";
3544 else
3545 propstr = property;
3546 right_justify = B_TRUE;
330d06f9
MA		 3547 } else if (zfs_prop_written(pl->pl_user_prop)) {
3548 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
54d5378f 3549 property, sizeof (property), cb->cb_literal) != 0)
330d06f9
MA		 3550 propstr = "-";
3551 else
3552 propstr = property;
3553 right_justify = B_TRUE;
34dc7c2f
BB		 3554 } else {
3555 if (nvlist_lookup_nvlist(userprops,
3556 pl->pl_user_prop, &propval) != 0)
3557 propstr = "-";
3558 else
a926aab9
AZ		 3559 propstr = fnvlist_lookup_string(propval,
3560 ZPROP_VALUE);
9babb374 3561 right_justify = B_FALSE;
34dc7c2f
BB		 3562 }
3563
6ecdd35b
TR		 3564 /*
3565 * zfs_list_avail_color() needs ZFS_PROP_AVAILABLE + USED
3566 * - so we need another for() search for the USED part
3567 * - when no colors wanted, we can skip the whole thing
3568 */
3569 if (use_color() && pl->pl_prop == ZFS_PROP_AVAILABLE) {
3570 zprop_list_t *pl2 = cb->cb_proplist;
3571 for (; pl2 != NULL; pl2 = pl2->pl_next) {
3572 if (pl2->pl_prop == ZFS_PROP_USED) {
3573 color_start(zfs_list_avail_color(zhp));
3574 /* found it, no need for more loops */
3575 break;
3576 }
3577 }
3578 }
2bd0490f 3579
34dc7c2f
BB		 3580 /*
3581 * If this is being called in scripted mode, or if this is the
3582 * last column and it is left-justified, don't include a width
3583 * format specifier.
3584 */
54d5378f 3585 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
a926aab9 3586 (void) fputs(propstr, stdout);
34dc7c2f 3587 else if (right_justify)
54d5378f 3588 (void) printf("%*s", (int)pl->pl_width, propstr);
34dc7c2f 3589 else
54d5378f 3590 (void) printf("%-*s", (int)pl->pl_width, propstr);
2bd0490f
TR		 3591
3592 if (pl->pl_prop == ZFS_PROP_AVAILABLE)
3593 color_end();
34dc7c2f
BB		 3594 }
3595
a926aab9 3596 (void) putchar('\n');
34dc7c2f
BB		 3597}
3598
3599/*
3600 * Generic callback function to list a dataset or snapshot.
3601 */
3602static int
3603list_callback(zfs_handle_t *zhp, void *data)
3604{
3605 list_cbdata_t *cbp = data;
3606
3607 if (cbp->cb_first) {
3608 if (!cbp->cb_scripted)
54d5378f 3609 print_header(cbp);
34dc7c2f
BB		 3610 cbp->cb_first = B_FALSE;
3611 }
3612
54d5378f 3613 print_dataset(zhp, cbp);
34dc7c2f
BB		 3614
3615 return (0);
3616}
3617
3618static int
3619zfs_do_list(int argc, char **argv)
3620{
3621 int c;
40f09cb0 3622 char default_fields[] =
34dc7c2f 3623 "name,used,available,referenced,mountpoint";
d164b209 3624 int types = ZFS_TYPE_DATASET;
b128c09f 3625 boolean_t types_specified = B_FALSE;
40f09cb0 3626 char *fields = default_fields;
34dc7c2f 3627 list_cbdata_t cb = { 0 };
9babb374 3628 int limit = 0;
ad60af8e 3629 int ret = 0;
34dc7c2f 3630 zfs_sort_column_t *sortcol = NULL;
b128c09f 3631 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 3632
3633 /* check options */
54d5378f 3634 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
34dc7c2f
BB		 3635 switch (c) {
3636 case 'o':
3637 fields = optarg;
3638 break;
54d5378f
YP		 3639 case 'p':
3640 cb.cb_literal = B_TRUE;
3641 flags |= ZFS_ITER_LITERAL_PROPS;
3642 break;
9babb374
BB		 3643 case 'd':
3644 limit = parse_depth(optarg, &flags);
3645 break;
34dc7c2f 3646 case 'r':
b128c09f 3647 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 3648 break;
3649 case 'H':
54d5378f 3650 cb.cb_scripted = B_TRUE;
34dc7c2f
BB		 3651 break;
3652 case 's':
3653 if (zfs_add_sort_column(&sortcol, optarg,
3654 B_FALSE) != 0) {
3655 (void) fprintf(stderr,
3656 gettext("invalid property '%s'\n"), optarg);
3657 usage(B_FALSE);
3658 }
3659 break;
3660 case 'S':
3661 if (zfs_add_sort_column(&sortcol, optarg,
3662 B_TRUE) != 0) {
3663 (void) fprintf(stderr,
3664 gettext("invalid property '%s'\n"), optarg);
3665 usage(B_FALSE);
3666 }
3667 break;
3668 case 't':
3669 types = 0;
b128c09f
BB		 3670 types_specified = B_TRUE;
3671 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
40f09cb0
AZ		 3672
3673 for (char *tok; (tok = strsep(&optarg, ",")); ) {
3674 static const char *const type_subopts[] = {
3675 "filesystem", "volume",
3676 "snapshot", "snap",
3677 "bookmark",
3678 "all" };
3679 static const int type_types[] = {
3680 ZFS_TYPE_FILESYSTEM, ZFS_TYPE_VOLUME,
3681 ZFS_TYPE_SNAPSHOT, ZFS_TYPE_SNAPSHOT,
3682 ZFS_TYPE_BOOKMARK,
3683 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK };
3684
3685 for (c = 0; c < ARRAY_SIZE(type_subopts); ++c)
3686 if (strcmp(tok, type_subopts[c]) == 0) {
3687 types |= type_types[c];
3688 goto found3;
3689 }
3690
3691 (void) fprintf(stderr,
3692 gettext("invalid type '%s'\n"), tok);
3693 usage(B_FALSE);
3694found3:;
34dc7c2f
BB		 3695 }
3696 break;
3697 case ':':
3698 (void) fprintf(stderr, gettext("missing argument for "
3699 "'%c' option\n"), optopt);
3700 usage(B_FALSE);
3701 break;
3702 case '?':
3703 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3704 optopt);
3705 usage(B_FALSE);
3706 }
3707 }
3708
3709 argc -= optind;
3710 argv += optind;
3711
b128c09f
BB		 3712 /*
3713 * If "-o space" and no types were specified, don't display snapshots.
3714 */
3715 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
3716 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f 3717
df583073 3718 /*
8221bcf1
I		 3719 * Handle users who want to list all snapshots or bookmarks
3720 * of the current dataset (ex. 'zfs list -t snapshot <dataset>').
df583073 3721 */
8221bcf1
I		 3722 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) &&
3723 argc > 0 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) {
df583073
TC		 3724 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE);
3725 limit = 1;
3726 }
3727
34dc7c2f
BB		 3728 /*
3729 * If the user specifies '-o all', the zprop_get_list() doesn't
3730 * normally include the name of the dataset. For 'zfs list', we always
3731 * want this property to be first.
3732 */
3733 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
3734 != 0)
3735 usage(B_FALSE);
3736
34dc7c2f
BB		 3737 cb.cb_first = B_TRUE;
3738
dc95911d
AJ		 3739 /*
3740 * If we are only going to list and sort by properties that are "fast"
3741 * then we can use "simple" mode and avoid populating the properties
3742 * nvlist.
3743 */
3744 if (zfs_list_only_by_fast(cb.cb_proplist) &&
3745 zfs_sort_only_by_fast(sortcol))
3746 flags |= ZFS_ITER_SIMPLE;
3747
b128c09f 3748 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 3749 limit, list_callback, &cb);
34dc7c2f
BB		 3750
3751 zprop_free_list(cb.cb_proplist);
3752 zfs_free_sort_columns(sortcol);
3753
3754 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
42cb3819 3755 (void) fprintf(stderr, gettext("no datasets available\n"));
34dc7c2f
BB		 3756
3757 return (ret);
3758}
3759
3760/*
7b4e2723 3761 * zfs rename [-fu] <fs | snap | vol> <fs | snap | vol>
db49968e 3762 * zfs rename [-f] -p <fs | vol> <fs | vol>
7b4e2723 3763 * zfs rename [-u] -r <snap> <snap>
34dc7c2f
BB		 3764 *
3765 * Renames the given dataset to another of the same type.
3766 *
3767 * The '-p' flag creates all the non-existing ancestors of the target first.
7b4e2723 3768 * The '-u' flag prevents file systems from being remounted during rename.
34dc7c2f 3769 */
34dc7c2f
BB		 3770static int
3771zfs_do_rename(int argc, char **argv)
3772{
3773 zfs_handle_t *zhp;
7b4e2723 3774 renameflags_t flags = { 0 };
34dc7c2f 3775 int c;
ad60af8e 3776 int ret = 0;
7b4e2723 3777 int types;
34dc7c2f
BB		 3778 boolean_t parents = B_FALSE;
3779
3780 /* check options */
7b4e2723 3781 while ((c = getopt(argc, argv, "pruf")) != -1) {
34dc7c2f
BB		 3782 switch (c) {
3783 case 'p':
3784 parents = B_TRUE;
3785 break;
3786 case 'r':
7b4e2723
RM		 3787 flags.recursive = B_TRUE;
3788 break;
3789 case 'u':
3790 flags.nounmount = B_TRUE;
34dc7c2f 3791 break;
db49968e 3792 case 'f':
7b4e2723 3793 flags.forceunmount = B_TRUE;
db49968e 3794 break;
34dc7c2f
BB		 3795 case '?':
3796 default:
3797 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3798 optopt);
3799 usage(B_FALSE);
3800 }
3801 }
3802
3803 argc -= optind;
3804 argv += optind;
3805
3806 /* check number of arguments */
3807 if (argc < 1) {
3808 (void) fprintf(stderr, gettext("missing source dataset "
3809 "argument\n"));
3810 usage(B_FALSE);
3811 }
3812 if (argc < 2) {
3813 (void) fprintf(stderr, gettext("missing target dataset "
3814 "argument\n"));
3815 usage(B_FALSE);
3816 }
3817 if (argc > 2) {
3818 (void) fprintf(stderr, gettext("too many arguments\n"));
3819 usage(B_FALSE);
3820 }
3821
7b4e2723 3822 if (flags.recursive && parents) {
34dc7c2f
BB		 3823 (void) fprintf(stderr, gettext("-p and -r options are mutually "
3824 "exclusive\n"));
3825 usage(B_FALSE);
3826 }
3827
7b4e2723
RM		 3828 if (flags.nounmount && parents) {
3829 (void) fprintf(stderr, gettext("-u and -p options are mutually "
3830 "exclusive\n"));
3831 usage(B_FALSE);
3832 }
3833
3834 if (flags.recursive && strchr(argv[0], '@') == 0) {
34dc7c2f
BB		 3835 (void) fprintf(stderr, gettext("source dataset for recursive "
3836 "rename must be a snapshot\n"));
3837 usage(B_FALSE);
3838 }
3839
7b4e2723
RM		 3840 if (flags.nounmount)
3841 types = ZFS_TYPE_FILESYSTEM;
3842 else if (parents)
3843 types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
3844 else
3845 types = ZFS_TYPE_DATASET;
3846
3847 if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL)
34dc7c2f
BB		 3848 return (1);
3849
3850 /* If we were asked and the name looks good, try to create ancestors. */
3851 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
3852 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
3853 zfs_close(zhp);
3854 return (1);
3855 }
3856
7b4e2723 3857 ret = (zfs_rename(zhp, argv[1], flags) != 0);
34dc7c2f
BB		 3858
3859 zfs_close(zhp);
3860 return (ret);
3861}
3862
3863/*
3864 * zfs promote <fs>
3865 *
3866 * Promotes the given clone fs to be the parent
3867 */
34dc7c2f
BB		 3868static int
3869zfs_do_promote(int argc, char **argv)
3870{
3871 zfs_handle_t *zhp;
ad60af8e 3872 int ret = 0;
34dc7c2f
BB		 3873
3874 /* check options */
3875 if (argc > 1 && argv[1][0] == '-') {
3876 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3877 argv[1][1]);
3878 usage(B_FALSE);
3879 }
3880
3881 /* check number of arguments */
3882 if (argc < 2) {
3883 (void) fprintf(stderr, gettext("missing clone filesystem"
3884 " argument\n"));
3885 usage(B_FALSE);
3886 }
3887 if (argc > 2) {
3888 (void) fprintf(stderr, gettext("too many arguments\n"));
3889 usage(B_FALSE);
3890 }
3891
3892 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3893 if (zhp == NULL)
3894 return (1);
3895
3896 ret = (zfs_promote(zhp) != 0);
3897
3898
3899 zfs_close(zhp);
3900 return (ret);
3901}
3902
30af21b0
PD		 3903static int
3904zfs_do_redact(int argc, char **argv)
3905{
3906 char *snap = NULL;
3907 char *bookname = NULL;
3908 char **rsnaps = NULL;
3909 int numrsnaps = 0;
3910 argv++;
3911 argc--;
3912 if (argc < 3) {
3b5fe2c3 3913 (void) fprintf(stderr, gettext("too few arguments\n"));
30af21b0
PD		 3914 usage(B_FALSE);
3915 }
3916
3917 snap = argv[0];
3918 bookname = argv[1];
3919 rsnaps = argv + 2;
3920 numrsnaps = argc - 2;
3921
3922 nvlist_t *rsnapnv = fnvlist_alloc();
3923
3924 for (int i = 0; i < numrsnaps; i++) {
3925 fnvlist_add_boolean(rsnapnv, rsnaps[i]);
3926 }
3927
3928 int err = lzc_redact(snap, bookname, rsnapnv);
3929 fnvlist_free(rsnapnv);
3930
3931 switch (err) {
3932 case 0:
3933 break;
d9e64a40
PD		 3934 case ENOENT: {
3935 zfs_handle_t *zhp = zfs_open(g_zfs, snap, ZFS_TYPE_SNAPSHOT);
3936 if (zhp == NULL) {
3937 (void) fprintf(stderr, gettext("provided snapshot %s "
3938 "does not exist\n"), snap);
3939 } else {
3940 zfs_close(zhp);
3941 }
3942 for (int i = 0; i < numrsnaps; i++) {
3943 zhp = zfs_open(g_zfs, rsnaps[i], ZFS_TYPE_SNAPSHOT);
3944 if (zhp == NULL) {
3945 (void) fprintf(stderr, gettext("provided "
3946 "snapshot %s does not exist\n"), rsnaps[i]);
3947 } else {
3948 zfs_close(zhp);
3949 }
3950 }
30af21b0 3951 break;
d9e64a40 3952 }
30af21b0
PD		 3953 case EEXIST:
3954 (void) fprintf(stderr, gettext("specified redaction bookmark "
3b5fe2c3 3955 "(%s) provided already exists\n"), bookname);
30af21b0
PD		 3956 break;
3957 case ENAMETOOLONG:
3958 (void) fprintf(stderr, gettext("provided bookmark name cannot "
3b5fe2c3 3959 "be used, final name would be too long\n"));
30af21b0
PD		 3960 break;
3961 case E2BIG:
3962 (void) fprintf(stderr, gettext("too many redaction snapshots "
3b5fe2c3 3963 "specified\n"));
30af21b0
PD		 3964 break;
3965 case EINVAL:
f658f61c
CS		 3966 if (strchr(bookname, '#') != NULL)
3967 (void) fprintf(stderr, gettext(
3968 "redaction bookmark name must not contain '#'\n"));
3969 else
3970 (void) fprintf(stderr, gettext(
3971 "redaction snapshot must be descendent of "
3972 "snapshot being redacted\n"));
30af21b0
PD		 3973 break;
3974 case EALREADY:
3975 (void) fprintf(stderr, gettext("attempted to redact redacted "
3b5fe2c3 3976 "dataset or with respect to redacted dataset\n"));
30af21b0
PD		 3977 break;
3978 case ENOTSUP:
3979 (void) fprintf(stderr, gettext("redaction bookmarks feature "
3b5fe2c3 3980 "not enabled\n"));
30af21b0 3981 break;
f658f61c
CS		 3982 case EXDEV:
3983 (void) fprintf(stderr, gettext("potentially invalid redaction "
3984 "snapshot; full dataset names required\n"));
3985 break;
bee9cfb8
PD		 3986 case ESRCH:
3987 (void) fprintf(stderr, gettext("attempted to resume redaction "
3988 " with a mismatched redaction list\n"));
3989 break;
30af21b0 3990 default:
3b5fe2c3 3991 (void) fprintf(stderr, gettext("internal error: %s\n"),
30af21b0
PD		 3992 strerror(errno));
3993 }
3994
3995 return (err);
3996}
3997
34dc7c2f
BB		 3998/*
3999 * zfs rollback [-rRf] <snapshot>
4000 *
428870ff
BB		 4001 * -r Delete any intervening snapshots before doing rollback
4002 * -R Delete any snapshots and their clones
4e33ba4c 4003 * -f ignored for backwards compatibility
34dc7c2f
BB		 4004 *
4005 * Given a filesystem, rollback to a specific snapshot, discarding any changes
4006 * since then and making it the active dataset. If more recent snapshots exist,
4007 * the command will complain unless the '-r' flag is given.
4008 */
4009typedef struct rollback_cbdata {
4010 uint64_t cb_create;
4c0883fb 4011 uint8_t cb_younger_ds_printed;
34dc7c2f
BB		 4012 boolean_t cb_first;
4013 int cb_doclones;
4014 char *cb_target;
4015 int cb_error;
4016 boolean_t cb_recurse;
34dc7c2f
BB		 4017} rollback_cbdata_t;
4018
da536844
MA		 4019static int
4020rollback_check_dependent(zfs_handle_t *zhp, void *data)
4021{
4022 rollback_cbdata_t *cbp = data;
4023
4024 if (cbp->cb_first && cbp->cb_recurse) {
4025 (void) fprintf(stderr, gettext("cannot rollback to "
4026 "'%s': clones of previous snapshots exist\n"),
4027 cbp->cb_target);
4028 (void) fprintf(stderr, gettext("use '-R' to "
4029 "force deletion of the following clones and "
4030 "dependents:\n"));
4031 cbp->cb_first = 0;
4032 cbp->cb_error = 1;
4033 }
4034
4035 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
4036
4037 zfs_close(zhp);
4038 return (0);
4039}
9b67f605
MA		 4040
4041
34dc7c2f 4042/*
4c0883fb
AP		 4043 * Report some snapshots/bookmarks more recent than the one specified.
4044 * Used when '-r' is not specified. We reuse this same callback for the
4045 * snapshot dependents - if 'cb_dependent' is set, then this is a
4046 * dependent and we should report it without checking the transaction group.
34dc7c2f
BB		 4047 */
4048static int
4049rollback_check(zfs_handle_t *zhp, void *data)
4050{
4051 rollback_cbdata_t *cbp = data;
4c0883fb
AP		 4052 /*
4053 * Max number of younger snapshots and/or bookmarks to display before
4054 * we stop the iteration.
4055 */
4056 const uint8_t max_younger = 32;
34dc7c2f
BB		 4057
4058 if (cbp->cb_doclones) {
4059 zfs_close(zhp);
4060 return (0);
4061 }
4062
da536844
MA		 4063 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) {
4064 if (cbp->cb_first && !cbp->cb_recurse) {
4065 (void) fprintf(stderr, gettext("cannot "
4066 "rollback to '%s': more recent snapshots "
4067 "or bookmarks exist\n"),
34dc7c2f 4068 cbp->cb_target);
da536844
MA		 4069 (void) fprintf(stderr, gettext("use '-r' to "
4070 "force deletion of the following "
4071 "snapshots and bookmarks:\n"));
34dc7c2f
BB		 4072 cbp->cb_first = 0;
4073 cbp->cb_error = 1;
4074 }
4075
da536844 4076 if (cbp->cb_recurse) {
baca06c2 4077 if (zfs_iter_dependents_v2(zhp, 0, B_TRUE,
da536844
MA		 4078 rollback_check_dependent, cbp) != 0) {
4079 zfs_close(zhp);
4080 return (-1);
4081 }
4082 } else {
4083 (void) fprintf(stderr, "%s\n",
4084 zfs_get_name(zhp));
4c0883fb 4085 cbp->cb_younger_ds_printed++;
da536844 4086 }
34dc7c2f 4087 }
34dc7c2f 4088 zfs_close(zhp);
4c0883fb
AP		 4089
4090 if (cbp->cb_younger_ds_printed == max_younger) {
4091 /*
4092 * This non-recursive rollback is going to fail due to the
4093 * presence of snapshots and/or bookmarks that are younger than
4094 * the rollback target.
4095 * We printed some of the offending objects, now we stop
4096 * zfs_iter_snapshot/bookmark iteration so we can fail fast and
4097 * avoid iterating over the rest of the younger objects
4098 */
4099 (void) fprintf(stderr, gettext("Output limited to %d "
4100 "snapshots/bookmarks\n"), max_younger);
4101 return (-1);
4102 }
34dc7c2f
BB		 4103 return (0);
4104}
4105
4106static int
4107zfs_do_rollback(int argc, char **argv)
4108{
ad60af8e 4109 int ret = 0;
34dc7c2f
BB		 4110 int c;
4111 boolean_t force = B_FALSE;
4112 rollback_cbdata_t cb = { 0 };
4113 zfs_handle_t *zhp, *snap;
eca7b760 4114 char parentname[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 4115 char *delim;
4c0883fb 4116 uint64_t min_txg = 0;
34dc7c2f
BB		 4117
4118 /* check options */
4119 while ((c = getopt(argc, argv, "rRf")) != -1) {
4120 switch (c) {
4121 case 'r':
4122 cb.cb_recurse = 1;
4123 break;
4124 case 'R':
4125 cb.cb_recurse = 1;
4126 cb.cb_doclones = 1;
4127 break;
4128 case 'f':
4129 force = B_TRUE;
4130 break;
4131 case '?':
4132 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4133 optopt);
4134 usage(B_FALSE);
4135 }
4136 }
4137
4138 argc -= optind;
4139 argv += optind;
4140
4141 /* check number of arguments */
4142 if (argc < 1) {
4143 (void) fprintf(stderr, gettext("missing dataset argument\n"));
4144 usage(B_FALSE);
4145 }
4146 if (argc > 1) {
4147 (void) fprintf(stderr, gettext("too many arguments\n"));
4148 usage(B_FALSE);
4149 }
4150
4151 /* open the snapshot */
4152 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
4153 return (1);
4154
4155 /* open the parent dataset */
4156 (void) strlcpy(parentname, argv[0], sizeof (parentname));
4157 verify((delim = strrchr(parentname, '@')) != NULL);
4158 *delim = '\0';
4159 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
4160 zfs_close(snap);
4161 return (1);
4162 }
4163
4164 /*
4165 * Check for more recent snapshots and/or clones based on the presence
4166 * of '-r' and '-R'.
4167 */
4168 cb.cb_target = argv[0];
4169 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
4170 cb.cb_first = B_TRUE;
4171 cb.cb_error = 0;
4c0883fb
AP		 4172
4173 if (cb.cb_create > 0)
4174 min_txg = cb.cb_create;
4175
baca06c2 4176 if ((ret = zfs_iter_snapshots_v2(zhp, 0, rollback_check, &cb,
4c0883fb 4177 min_txg, 0)) != 0)
da536844 4178 goto out;
baca06c2 4179 if ((ret = zfs_iter_bookmarks_v2(zhp, 0, rollback_check, &cb)) != 0)
34dc7c2f
BB		 4180 goto out;
4181
4182 if ((ret = cb.cb_error) != 0)
4183 goto out;
4184
4185 /*
4186 * Rollback parent to the given snapshot.
4187 */
4188 ret = zfs_rollback(zhp, snap, force);
4189
4190out:
4191 zfs_close(snap);
4192 zfs_close(zhp);
4193
4194 if (ret == 0)
4195 return (0);
4196 else
4197 return (1);
4198}
4199
4200/*
23de906c 4201 * zfs set property=value ... { fs | snap | vol } ...
34dc7c2f 4202 *
23de906c 4203 * Sets the given properties for all datasets specified on the command line.
34dc7c2f 4204 */
34dc7c2f
BB		 4205
4206static int
4207set_callback(zfs_handle_t *zhp, void *data)
4208{
4e16964e
US		 4209 zprop_set_cbdata_t *cb = data;
4210 int ret = zfs_prop_set_list_flags(zhp, cb->cb_proplist, cb->cb_flags);
34dc7c2f 4211
bbac1d29 4212 if (ret != 0 || libzfs_errno(g_zfs) != EZFS_SUCCESS) {
34dc7c2f
BB		 4213 switch (libzfs_errno(g_zfs)) {
4214 case EZFS_MOUNTFAILED:
4215 (void) fprintf(stderr, gettext("property may be set "
4216 "but unable to remount filesystem\n"));
4217 break;
4218 case EZFS_SHARENFSFAILED:
4219 (void) fprintf(stderr, gettext("property may be set "
4220 "but unable to reshare filesystem\n"));
4221 break;
4222 }
34dc7c2f 4223 }
bbac1d29 4224 return (ret);
34dc7c2f
BB		 4225}
4226
4227static int
4228zfs_do_set(int argc, char **argv)
4229{
4e16964e 4230 zprop_set_cbdata_t cb = { 0 };
23de906c 4231 int ds_start = -1; /* argv idx of first dataset arg */
ad60af8e 4232 int ret = 0;
4e16964e 4233 int i, c;
34dc7c2f 4234
4e16964e
US		 4235 /* check options */
4236 while ((c = getopt(argc, argv, "u")) != -1) {
4237 switch (c) {
4238 case 'u':
4239 cb.cb_flags |= ZFS_SET_NOMOUNT;
4240 break;
4241 case '?':
4242 default:
4243 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4244 optopt);
4245 usage(B_FALSE);
4246 }
34dc7c2f
BB		 4247 }
4248
4e16964e
US		 4249 argc -= optind;
4250 argv += optind;
4251
34dc7c2f 4252 /* check number of arguments */
4e16964e 4253 if (argc < 1) {
23de906c 4254 (void) fprintf(stderr, gettext("missing arguments\n"));
34dc7c2f
BB		 4255 usage(B_FALSE);
4256 }
4e16964e
US		 4257 if (argc < 2) {
4258 if (strchr(argv[0], '=') == NULL) {
23de906c
CW		 4259 (void) fprintf(stderr, gettext("missing property=value "
4260 "argument(s)\n"));
4261 } else {
4262 (void) fprintf(stderr, gettext("missing dataset "
4263 "name(s)\n"));
4264 }
34dc7c2f
BB		 4265 usage(B_FALSE);
4266 }
4267
23de906c 4268 /* validate argument order: prop=val args followed by dataset args */
4e16964e 4269 for (i = 0; i < argc; i++) {
23de906c
CW		 4270 if (strchr(argv[i], '=') != NULL) {
4271 if (ds_start > 0) {
4272 /* out-of-order prop=val argument */
4273 (void) fprintf(stderr, gettext("invalid "
4274 "argument order\n"));
4275 usage(B_FALSE);
4276 }
4277 } else if (ds_start < 0) {
4278 ds_start = i;
4279 }
4280 }
4281 if (ds_start < 0) {
4282 (void) fprintf(stderr, gettext("missing dataset name(s)\n"));
34dc7c2f
BB		 4283 usage(B_FALSE);
4284 }
4285
23de906c 4286 /* Populate a list of property settings */
4e16964e 4287 if (nvlist_alloc(&cb.cb_proplist, NV_UNIQUE_NAME, 0) != 0)
23de906c 4288 nomem();
4e16964e
US		 4289 for (i = 0; i < ds_start; i++) {
4290 if (!parseprop(cb.cb_proplist, argv[i])) {
a3eeab2d 4291 ret = -1;
23de906c 4292 goto error;
a3eeab2d 4293 }
34dc7c2f
BB		 4294 }
4295
23de906c 4296 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0,
4e16964e 4297 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
34dc7c2f 4298
23de906c 4299error:
4e16964e 4300 nvlist_free(cb.cb_proplist);
34dc7c2f
BB		 4301 return (ret);
4302}
4303
6f1ffb06
MA		 4304typedef struct snap_cbdata {
4305 nvlist_t *sd_nvl;
4306 boolean_t sd_recursive;
4307 const char *sd_snapname;
4308} snap_cbdata_t;
4309
4310static int
4311zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
4312{
4313 snap_cbdata_t *sd = arg;
4314 char *name;
4315 int rv = 0;
4316 int error;
4317
96c2e961
KW		 4318 if (sd->sd_recursive &&
4319 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) {
4320 zfs_close(zhp);
4321 return (0);
4322 }
4323
6f1ffb06
MA		 4324 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
4325 if (error == -1)
4326 nomem();
4327 fnvlist_add_boolean(sd->sd_nvl, name);
4328 free(name);
4329
4330 if (sd->sd_recursive)
baca06c2 4331 rv = zfs_iter_filesystems_v2(zhp, 0, zfs_snapshot_cb, sd);
6f1ffb06
MA		 4332 zfs_close(zhp);
4333 return (rv);
4334}
4335
34dc7c2f 4336/*
b128c09f 4337 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 4338 *
4339 * Creates a snapshot with the given name. While functionally equivalent to
4340 * 'zfs create', it is a separate command to differentiate intent.
4341 */
4342static int
4343zfs_do_snapshot(int argc, char **argv)
4344{
ad60af8e 4345 int ret = 0;
0869b74a 4346 int c;
b128c09f 4347 nvlist_t *props;
6f1ffb06
MA		 4348 snap_cbdata_t sd = { 0 };
4349 boolean_t multiple_snaps = B_FALSE;
b128c09f 4350
428870ff
BB		 4351 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4352 nomem();
6f1ffb06
MA		 4353 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
4354 nomem();
34dc7c2f
BB		 4355
4356 /* check options */
b128c09f 4357 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 4358 switch (c) {
b128c09f 4359 case 'o':
a3eeab2d 4360 if (!parseprop(props, optarg)) {
a425f5bf 4361 nvlist_free(sd.sd_nvl);
4362 nvlist_free(props);
b128c09f 4363 return (1);
a425f5bf 4364 }
b128c09f 4365 break;
34dc7c2f 4366 case 'r':
6f1ffb06
MA		 4367 sd.sd_recursive = B_TRUE;
4368 multiple_snaps = B_TRUE;
34dc7c2f
BB		 4369 break;
4370 case '?':
4371 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4372 optopt);
b128c09f 4373 goto usage;
34dc7c2f
BB		 4374 }
4375 }
4376
4377 argc -= optind;
4378 argv += optind;
4379
4380 /* check number of arguments */
4381 if (argc < 1) {
4382 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 4383 goto usage;
34dc7c2f 4384 }
6f1ffb06
MA		 4385
4386 if (argc > 1)
4387 multiple_snaps = B_TRUE;
4388 for (; argc > 0; argc--, argv++) {
4389 char *atp;
4390 zfs_handle_t *zhp;
4391
4392 atp = strchr(argv[0], '@');
4393 if (atp == NULL)
4394 goto usage;
4395 *atp = '\0';
4396 sd.sd_snapname = atp + 1;
4397 zhp = zfs_open(g_zfs, argv[0],
4398 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4399 if (zhp == NULL)
4400 goto usage;
4401 if (zfs_snapshot_cb(zhp, &sd) != 0)
4402 goto usage;
34dc7c2f
BB		 4403 }
4404
6f1ffb06
MA		 4405 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
4406 nvlist_free(sd.sd_nvl);
b128c09f 4407 nvlist_free(props);
6f1ffb06 4408 if (ret != 0 && multiple_snaps)
34dc7c2f
BB		 4409 (void) fprintf(stderr, gettext("no snapshots were created\n"));
4410 return (ret != 0);
b128c09f
BB		 4411
4412usage:
6f1ffb06 4413 nvlist_free(sd.sd_nvl);
b128c09f
BB		 4414 nvlist_free(props);
4415 usage(B_FALSE);
4416 return (-1);
34dc7c2f
BB		 4417}
4418
6625262c
AZ		 4419/*
4420 * Array of prefixes to exclude –
4421 * a linear search, even if executed for each dataset,
4422 * is plenty good enough.
4423 */
565089f5
SEF		 4424typedef struct zfs_send_exclude_arg {
4425 size_t count;
6625262c 4426 const char **list;
565089f5
SEF		 4427} zfs_send_exclude_arg_t;
4428
565089f5
SEF		 4429static boolean_t
4430zfs_do_send_exclude(zfs_handle_t *zhp, void *context)
4431{
6625262c 4432 zfs_send_exclude_arg_t *excludes = context;
565089f5
SEF		 4433 const char *name = zfs_get_name(zhp);
4434
6625262c
AZ		 4435 for (size_t i = 0; i < excludes->count; ++i) {
4436 size_t len = strlen(excludes->list[i]);
4437 if (strncmp(name, excludes->list[i], len) == 0 &&
4438 memchr("/@", name[len], sizeof ("/@")))
565089f5 4439 return (B_FALSE);
565089f5
SEF		 4440 }
4441
4442 return (B_TRUE);
4443}
30af21b0 4444
34dc7c2f 4445/*
34dc7c2f
BB		 4446 * Send a backup stream to stdout.
4447 */
4448static int
4449zfs_do_send(int argc, char **argv)
4450{
4451 char *fromname = NULL;
4452 char *toname = NULL;
47dfff3b 4453 char *resume_token = NULL;
34dc7c2f
BB		 4454 char *cp;
4455 zfs_handle_t *zhp;
428870ff 4456 sendflags_t flags = { 0 };
34dc7c2f 4457 int c, err;
330d06f9 4458 nvlist_t *dbgnv = NULL;
30af21b0 4459 char *redactbook = NULL;
6625262c 4460 zfs_send_exclude_arg_t excludes = { 0 };
34dc7c2f 4461
a7004725
DK		 4462 struct option long_options[] = {
4463 {"replicate", no_argument, NULL, 'R'},
6625262c 4464 {"skip-missing", no_argument, NULL, 's'},
30af21b0 4465 {"redact", required_argument, NULL, 'd'},
a7004725
DK		 4466 {"props", no_argument, NULL, 'p'},
4467 {"parsable", no_argument, NULL, 'P'},
4468 {"dedup", no_argument, NULL, 'D'},
19d39615 4469 {"proctitle", no_argument, NULL, 'V'},
a7004725
DK		 4470 {"verbose", no_argument, NULL, 'v'},
4471 {"dryrun", no_argument, NULL, 'n'},
4472 {"large-block", no_argument, NULL, 'L'},
4473 {"embed", no_argument, NULL, 'e'},
4474 {"resume", required_argument, NULL, 't'},
4475 {"compressed", no_argument, NULL, 'c'},
b5256303 4476 {"raw", no_argument, NULL, 'w'},
faa97c16 4477 {"backup", no_argument, NULL, 'b'},
9c5e88b1 4478 {"holds", no_argument, NULL, 'h'},
ba0ba69e 4479 {"saved", no_argument, NULL, 'S'},
565089f5 4480 {"exclude", required_argument, NULL, 'X'},
a7004725
DK		 4481 {0, 0, 0, 0}
4482 };
4483
34dc7c2f 4484 /* check options */
19d39615 4485 while ((c = getopt_long(argc, argv, ":i:I:RsDpVvnPLeht:cwbd:SX:",
30af21b0 4486 long_options, NULL)) != -1) {
34dc7c2f 4487 switch (c) {
565089f5 4488 case 'X':
6625262c
AZ		 4489 for (char *ds; (ds = strsep(&optarg, ",")) != NULL; ) {
4490 if (!zfs_name_valid(ds, ZFS_TYPE_DATASET) ||
4491 strchr(ds, '/') == NULL) {
4492 (void) fprintf(stderr, gettext("-X %s: "
4493 "not a valid non-root dataset name"
4494 ".\n"), ds);
4495 usage(B_FALSE);
4496 }
4497 excludes.list = safe_realloc(excludes.list,
4498 sizeof (char *) * (excludes.count + 1));
4499 excludes.list[excludes.count++] = ds;
4500 }
565089f5 4501 break;
34dc7c2f
BB		 4502 case 'i':
4503 if (fromname)
4504 usage(B_FALSE);
4505 fromname = optarg;
4506 break;
4507 case 'I':
4508 if (fromname)
4509 usage(B_FALSE);
4510 fromname = optarg;
428870ff 4511 flags.doall = B_TRUE;
34dc7c2f
BB		 4512 break;
4513 case 'R':
428870ff
BB		 4514 flags.replicate = B_TRUE;
4515 break;
099fa7e4
PCG		 4516 case 's':
4517 flags.skipmissing = B_TRUE;
4518 break;
30af21b0
PD		 4519 case 'd':
4520 redactbook = optarg;
4521 break;
428870ff
BB		 4522 case 'p':
4523 flags.props = B_TRUE;
34dc7c2f 4524 break;
faa97c16 4525 case 'b':
4526 flags.backup = B_TRUE;
4527 break;
9c5e88b1
PZ		 4528 case 'h':
4529 flags.holds = B_TRUE;
4530 break;
330d06f9
MA		 4531 case 'P':
4532 flags.parsable = B_TRUE;
330d06f9 4533 break;
19d39615
AH		 4534 case 'V':
4535 flags.progressastitle = B_TRUE;
4536 break;
34dc7c2f 4537 case 'v':
30af21b0 4538 flags.verbosity++;
37abac6d 4539 flags.progress = B_TRUE;
428870ff
BB		 4540 break;
4541 case 'D':
196bee4c
MA		 4542 (void) fprintf(stderr,
4543 gettext("WARNING: deduplicated send is no "
4544 "longer supported. A regular,\n"
4545 "non-deduplicated stream will be generated.\n\n"));
34dc7c2f 4546 break;
330d06f9
MA		 4547 case 'n':
4548 flags.dryrun = B_TRUE;
4549 break;
f1512ee6
MA		 4550 case 'L':
4551 flags.largeblock = B_TRUE;
4552 break;
9b67f605
MA		 4553 case 'e':
4554 flags.embed_data = B_TRUE;
4555 break;
47dfff3b
MA		 4556 case 't':
4557 resume_token = optarg;
4558 break;
2aa34383
DK		 4559 case 'c':
4560 flags.compress = B_TRUE;
4561 break;
b5256303
TC		 4562 case 'w':
4563 flags.raw = B_TRUE;
4564 flags.compress = B_TRUE;
4565 flags.embed_data = B_TRUE;
4566 flags.largeblock = B_TRUE;
4567 break;
ba0ba69e
TC		 4568 case 'S':
4569 flags.saved = B_TRUE;
4570 break;
34dc7c2f 4571 case ':':
a873815b
GM		 4572 /*
4573 * If a parameter was not passed, optopt contains the
4574 * value that would normally lead us into the
4575 * appropriate case statement. If it's > 256, then this
4576 * must be a longopt and we should look at argv to get
4577 * the string. Otherwise it's just the character, so we
4578 * should use it directly.
4579 */
4580 if (optopt <= UINT8_MAX) {
4581 (void) fprintf(stderr,
4582 gettext("missing argument for '%c' "
4583 "option\n"), optopt);
4584 } else {
4585 (void) fprintf(stderr,
4586 gettext("missing argument for '%s' "
4587 "option\n"), argv[optind - 1]);
4588 }
219cf0f9 4589 free(excludes.list);
34dc7c2f
BB		 4590 usage(B_FALSE);
4591 break;
4592 case '?':
a873815b
GM		 4593 default:
4594 /*
4595 * If an invalid flag was passed, optopt contains the
4596 * character if it was a short flag, or 0 if it was a
4597 * longopt.
4598 */
4599 if (optopt != 0) {
4600 (void) fprintf(stderr,
4601 gettext("invalid option '%c'\n"), optopt);
4602 } else {
4603 (void) fprintf(stderr,
4604 gettext("invalid option '%s'\n"),
4605 argv[optind - 1]);
4606
4607 }
219cf0f9 4608 free(excludes.list);
34dc7c2f
BB		 4609 usage(B_FALSE);
4610 }
4611 }
4612
05b72415 4613 if ((flags.parsable || flags.progressastitle) && flags.verbosity == 0)
30af21b0
PD		 4614 flags.verbosity = 1;
4615
6625262c 4616 if (excludes.count > 0 && !flags.replicate) {
219cf0f9 4617 free(excludes.list);
565089f5
SEF		 4618 (void) fprintf(stderr, gettext("Cannot specify "
4619 "dataset exclusion (-X) on a non-recursive "
4620 "send.\n"));
4621 return (1);
4622 }
4623
34dc7c2f
BB		 4624 argc -= optind;
4625 argv += optind;
4626
47dfff3b
MA		 4627 if (resume_token != NULL) {
4628 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4629 flags.backup || flags.holds ||
ba0ba69e 4630 flags.saved || redactbook != NULL) {
219cf0f9 4631 free(excludes.list);
47dfff3b
MA		 4632 (void) fprintf(stderr,
4633 gettext("invalid flags combined with -t\n"));
4634 usage(B_FALSE);
4635 }
30af21b0 4636 if (argc > 0) {
219cf0f9 4637 free(excludes.list);
30af21b0 4638 (void) fprintf(stderr, gettext("too many arguments\n"));
47dfff3b
MA		 4639 usage(B_FALSE);
4640 }
4641 } else {
4642 if (argc < 1) {
219cf0f9 4643 free(excludes.list);
47dfff3b
MA		 4644 (void) fprintf(stderr,
4645 gettext("missing snapshot argument\n"));
4646 usage(B_FALSE);
4647 }
4648 if (argc > 1) {
219cf0f9 4649 free(excludes.list);
47dfff3b
MA		 4650 (void) fprintf(stderr, gettext("too many arguments\n"));
4651 usage(B_FALSE);
4652 }
34dc7c2f
BB		 4653 }
4654
ba0ba69e
TC		 4655 if (flags.saved) {
4656 if (fromname != NULL || flags.replicate || flags.props ||
196bee4c 4657 flags.doall || flags.backup ||
ba0ba69e
TC		 4658 flags.holds || flags.largeblock || flags.embed_data ||
4659 flags.compress || flags.raw || redactbook != NULL) {
219cf0f9
RY		 4660 free(excludes.list);
4661
ba0ba69e
TC		 4662 (void) fprintf(stderr, gettext("incompatible flags "
4663 "combined with saved send flag\n"));
4664 usage(B_FALSE);
4665 }
4666 if (strchr(argv[0], '@') != NULL) {
219cf0f9
RY		 4667 free(excludes.list);
4668
ba0ba69e
TC		 4669 (void) fprintf(stderr, gettext("saved send must "
4670 "specify the dataset with partially-received "
4671 "state\n"));
4672 usage(B_FALSE);
4673 }
4674 }
4675
30af21b0 4676 if (flags.raw && redactbook != NULL) {
219cf0f9 4677 free(excludes.list);
30af21b0
PD		 4678 (void) fprintf(stderr,
4679 gettext("Error: raw sends may not be redacted.\n"));
4680 return (1);
4681 }
4682
330d06f9 4683 if (!flags.dryrun && isatty(STDOUT_FILENO)) {
219cf0f9 4684 free(excludes.list);
34dc7c2f
BB		 4685 (void) fprintf(stderr,
4686 gettext("Error: Stream can not be written to a terminal.\n"
4687 "You must redirect standard output.\n"));
4688 return (1);
4689 }
4690
ba0ba69e
TC		 4691 if (flags.saved) {
4692 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4693 if (zhp == NULL) {
4694 free(excludes.list);
ba0ba69e 4695 return (1);
219cf0f9 4696 }
ba0ba69e
TC		 4697
4698 err = zfs_send_saved(zhp, &flags, STDOUT_FILENO,
4699 resume_token);
219cf0f9 4700 free(excludes.list);
ba0ba69e
TC		 4701 zfs_close(zhp);
4702 return (err != 0);
4703 } else if (resume_token != NULL) {
219cf0f9 4704 free(excludes.list);
d1a5e959
AZ		 4705 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO,
4706 resume_token));
47dfff3b
MA		 4707 }
4708
099fa7e4 4709 if (flags.skipmissing && !flags.replicate) {
219cf0f9 4710 free(excludes.list);
099fa7e4
PCG		 4711 (void) fprintf(stderr,
4712 gettext("skip-missing flag can only be used in "
4713 "conjunction with replicate\n"));
4714 usage(B_FALSE);
4715 }
4716
da536844 4717 /*
30af21b0 4718 * For everything except -R and -I, use the new, cleaner code path.
da536844 4719 */
30af21b0 4720 if (!(flags.replicate || flags.doall)) {
eca7b760 4721 char frombuf[ZFS_MAX_DATASET_NAME_LEN];
da536844 4722
30af21b0
PD		 4723 if (fromname != NULL && (strchr(fromname, '#') == NULL &&
4724 strchr(fromname, '@') == NULL)) {
4725 /*
4726 * Neither bookmark or snapshot was specified. Print a
4727 * warning, and assume snapshot.
4728 */
4729 (void) fprintf(stderr, "Warning: incremental source "
4730 "didn't specify type, assuming snapshot. Use '@' "
4731 "or '#' prefix to avoid ambiguity.\n");
4732 (void) snprintf(frombuf, sizeof (frombuf), "@%s",
4733 fromname);
4734 fromname = frombuf;
4735 }
da536844
MA		 4736 if (fromname != NULL &&
4737 (fromname[0] == '#' || fromname[0] == '@')) {
4738 /*
4739 * Incremental source name begins with # or @.
4740 * Default to same fs as target.
4741 */
30af21b0
PD		 4742 char tmpbuf[ZFS_MAX_DATASET_NAME_LEN];
4743 (void) strlcpy(tmpbuf, fromname, sizeof (tmpbuf));
5df39c1e 4744 (void) strlcpy(frombuf, argv[0], sizeof (frombuf));
da536844
MA		 4745 cp = strchr(frombuf, '@');
4746 if (cp != NULL)
4747 *cp = '\0';
30af21b0 4748 (void) strlcat(frombuf, tmpbuf, sizeof (frombuf));
da536844
MA		 4749 fromname = frombuf;
4750 }
22df2457
RM		 4751
4752 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
219cf0f9
RY		 4753 if (zhp == NULL) {
4754 free(excludes.list);
22df2457 4755 return (1);
219cf0f9 4756 }
30af21b0
PD		 4757 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, &flags,
4758 redactbook);
219cf0f9
RY		 4759
4760 free(excludes.list);
da536844
MA		 4761 zfs_close(zhp);
4762 return (err != 0);
34dc7c2f 4763 }
da536844 4764
30af21b0
PD		 4765 if (fromname != NULL && strchr(fromname, '#')) {
4766 (void) fprintf(stderr,
4767 gettext("Error: multiple snapshots cannot be "
4768 "sent from a bookmark.\n"));
219cf0f9 4769 free(excludes.list);
30af21b0
PD		 4770 return (1);
4771 }
4772
4773 if (redactbook != NULL) {
4774 (void) fprintf(stderr, gettext("Error: multiple snapshots "
4775 "cannot be sent redacted.\n"));
219cf0f9 4776 free(excludes.list);
30af21b0
PD		 4777 return (1);
4778 }
4779
1d20b763 4780 if ((cp = strchr(argv[0], '@')) == NULL) {
4781 (void) fprintf(stderr, gettext("Error: "
4782 "Unsupported flag with filesystem or bookmark.\n"));
219cf0f9 4783 free(excludes.list);
1d20b763 4784 return (1);
4785 }
0b7936d5
AS		 4786 *cp = '\0';
4787 toname = cp + 1;
4788 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
219cf0f9
RY		 4789 if (zhp == NULL) {
4790 free(excludes.list);
0b7936d5 4791 return (1);
219cf0f9 4792 }
0b7936d5
AS		 4793
4794 /*
4795 * If they specified the full path to the snapshot, chop off
4796 * everything except the short name of the snapshot, but special
4797 * case if they specify the origin.
4798 */
4799 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
eca7b760 4800 char origin[ZFS_MAX_DATASET_NAME_LEN];
610cb4fb 4801 zprop_source_t src;
0b7936d5
AS		 4802
4803 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
4804 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
4805
4806 if (strcmp(origin, fromname) == 0) {
4807 fromname = NULL;
4808 flags.fromorigin = B_TRUE;
4809 } else {
4810 *cp = '\0';
4811 if (cp != fromname && strcmp(argv[0], fromname)) {
219cf0f9
RY		 4812 zfs_close(zhp);
4813 free(excludes.list);
0b7936d5
AS		 4814 (void) fprintf(stderr,
4815 gettext("incremental source must be "
4816 "in same filesystem\n"));
4817 usage(B_FALSE);
4818 }
4819 fromname = cp + 1;
4820 if (strchr(fromname, '@') || strchr(fromname, '/')) {
219cf0f9
RY		 4821 zfs_close(zhp);
4822 free(excludes.list);
0b7936d5
AS		 4823 (void) fprintf(stderr,
4824 gettext("invalid incremental source\n"));
4825 usage(B_FALSE);
4826 }
4827 }
4828 }
4829
4830 if (flags.replicate && fromname == NULL)
4831 flags.doall = B_TRUE;
4832
565089f5 4833 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO,
6625262c
AZ		 4834 excludes.count > 0 ? zfs_do_send_exclude : NULL,
4835 &excludes, flags.verbosity >= 3 ? &dbgnv : NULL);
0b7936d5 4836
30af21b0 4837 if (flags.verbosity >= 3 && dbgnv != NULL) {
0b7936d5
AS		 4838 /*
4839 * dump_nvlist prints to stdout, but that's been
4840 * redirected to a file. Make it print to stderr
4841 * instead.
4842 */
4843 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
4844 dump_nvlist(dbgnv, 0);
4845 nvlist_free(dbgnv);
4846 }
0b7936d5 4847
6625262c
AZ		 4848 zfs_close(zhp);
4849 free(excludes.list);
0b7936d5
AS		 4850 return (err != 0);
4851}
4852
4853/*
0b7936d5
AS		 4854 * Restore a backup stream from stdin.
4855 */
4856static int
4857zfs_do_receive(int argc, char **argv)
4858{
648a09ad 4859 int c, err = 0;
0b7936d5 4860 recvflags_t flags = { 0 };
47dfff3b 4861 boolean_t abort_resumable = B_FALSE;
fcff0f35 4862 nvlist_t *props;
fcff0f35
PD		 4863
4864 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4865 nomem();
0b7936d5
AS		 4866
4867 /* check options */
e8cf3a4f 4868 while ((c = getopt(argc, argv, ":o:x:dehMnuvFsAc")) != -1) {
0b7936d5 4869 switch (c) {
fcff0f35 4870 case 'o':
a3eeab2d 4871 if (!parseprop(props, optarg)) {
a425f5bf 4872 nvlist_free(props);
a3eeab2d 4873 usage(B_FALSE);
4874 }
4875 break;
4876 case 'x':
4877 if (!parsepropname(props, optarg)) {
4878 nvlist_free(props);
4879 usage(B_FALSE);
a425f5bf 4880 }
fcff0f35 4881 break;
0b7936d5 4882 case 'd':
bdbd5477 4883 if (flags.istail) {
4884 (void) fprintf(stderr, gettext("invalid option "
4885 "combination: -d and -e are mutually "
4886 "exclusive\n"));
4887 usage(B_FALSE);
4888 }
0b7936d5
AS		 4889 flags.isprefix = B_TRUE;
4890 break;
4891 case 'e':
bdbd5477 4892 if (flags.isprefix) {
4893 (void) fprintf(stderr, gettext("invalid option "
4894 "combination: -d and -e are mutually "
4895 "exclusive\n"));
4896 usage(B_FALSE);
4897 }
0b7936d5
AS		 4898 flags.istail = B_TRUE;
4899 break;
9c5e88b1
PZ		 4900 case 'h':
4901 flags.skipholds = B_TRUE;
4902 break;
a57d3d45
MZ		 4903 case 'M':
4904 flags.forceunmount = B_TRUE;
4905 break;
0b7936d5
AS		 4906 case 'n':
4907 flags.dryrun = B_TRUE;
4908 break;
4909 case 'u':
4910 flags.nomount = B_TRUE;
4911 break;
4912 case 'v':
4913 flags.verbose = B_TRUE;
4914 break;
47dfff3b
MA		 4915 case 's':
4916 flags.resumable = B_TRUE;
4917 break;
0b7936d5
AS		 4918 case 'F':
4919 flags.force = B_TRUE;
4920 break;
47dfff3b
MA		 4921 case 'A':
4922 abort_resumable = B_TRUE;
4923 break;
e8cf3a4f
AP		 4924 case 'c':
4925 flags.heal = B_TRUE;
4926 break;
0b7936d5
AS		 4927 case ':':
4928 (void) fprintf(stderr, gettext("missing argument for "
4929 "'%c' option\n"), optopt);
4930 usage(B_FALSE);
4931 break;
4932 case '?':
4933 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4934 optopt);
4935 usage(B_FALSE);
4936 }
4937 }
4938
4939 argc -= optind;
4940 argv += optind;
4941
bdbd5477 4942 /* zfs recv -e (use "tail" name) implies -d (remove dataset "head") */
4943 if (flags.istail)
4944 flags.isprefix = B_TRUE;
4945
0b7936d5
AS		 4946 /* check number of arguments */
4947 if (argc < 1) {
4948 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
4949 usage(B_FALSE);
4950 }
4951 if (argc > 1) {
4952 (void) fprintf(stderr, gettext("too many arguments\n"));
4953 usage(B_FALSE);
4954 }
4955
47dfff3b
MA		 4956 if (abort_resumable) {
4957 if (flags.isprefix || flags.istail || flags.dryrun ||
4958 flags.resumable || flags.nomount) {
88c30122 4959 (void) fprintf(stderr, gettext("invalid option\n"));
47dfff3b
MA		 4960 usage(B_FALSE);
4961 }
4962
eca7b760 4963 char namebuf[ZFS_MAX_DATASET_NAME_LEN];
47dfff3b
MA		 4964 (void) snprintf(namebuf, sizeof (namebuf),
4965 "%s/%%recv", argv[0]);
4966
4967 if (zfs_dataset_exists(g_zfs, namebuf,
4968 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) {
4969 zfs_handle_t *zhp = zfs_open(g_zfs,
4970 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 4971 if (zhp == NULL) {
4972 nvlist_free(props);
47dfff3b 4973 return (1);
a425f5bf 4974 }
47dfff3b 4975 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4976 zfs_close(zhp);
47dfff3b
MA		 4977 } else {
4978 zfs_handle_t *zhp = zfs_open(g_zfs,
4979 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4980 if (zhp == NULL)
4981 usage(B_FALSE);
4982 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) ||
4983 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
4984 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) {
4985 (void) fprintf(stderr,
4986 gettext("'%s' does not have any "
4987 "resumable receive state to abort\n"),
4988 argv[0]);
a425f5bf 4989 nvlist_free(props);
4990 zfs_close(zhp);
47dfff3b
MA		 4991 return (1);
4992 }
4993 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4994 zfs_close(zhp);
47dfff3b 4995 }
a425f5bf 4996 nvlist_free(props);
47dfff3b
MA		 4997 return (err != 0);
4998 }
4999
0b7936d5
AS		 5000 if (isatty(STDIN_FILENO)) {
5001 (void) fprintf(stderr,
5002 gettext("Error: Backup stream can not be read "
5003 "from a terminal.\n"
5004 "You must redirect standard input.\n"));
a425f5bf 5005 nvlist_free(props);
0b7936d5
AS		 5006 return (1);
5007 }
fcff0f35 5008 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL);
a425f5bf 5009 nvlist_free(props);
0b7936d5
AS		 5010
5011 return (err != 0);
5012}
5013
5014/*
5015 * allow/unallow stuff
5016 */
5017/* copied from zfs/sys/dsl_deleg.h */
5018#define ZFS_DELEG_PERM_CREATE "create"
5019#define ZFS_DELEG_PERM_DESTROY "destroy"
5020#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
5021#define ZFS_DELEG_PERM_ROLLBACK "rollback"
5022#define ZFS_DELEG_PERM_CLONE "clone"
5023#define ZFS_DELEG_PERM_PROMOTE "promote"
5024#define ZFS_DELEG_PERM_RENAME "rename"
5025#define ZFS_DELEG_PERM_MOUNT "mount"
5026#define ZFS_DELEG_PERM_SHARE "share"
5027#define ZFS_DELEG_PERM_SEND "send"
5028#define ZFS_DELEG_PERM_RECEIVE "receive"
5029#define ZFS_DELEG_PERM_ALLOW "allow"
5030#define ZFS_DELEG_PERM_USERPROP "userprop"
5031#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
5032#define ZFS_DELEG_PERM_USERQUOTA "userquota"
5033#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
5034#define ZFS_DELEG_PERM_USERUSED "userused"
5035#define ZFS_DELEG_PERM_GROUPUSED "groupused"
1de321e6
JX		 5036#define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
5037#define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
5038#define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
5039#define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
5040
0b7936d5
AS		 5041#define ZFS_DELEG_PERM_HOLD "hold"
5042#define ZFS_DELEG_PERM_RELEASE "release"
5043#define ZFS_DELEG_PERM_DIFF "diff"
da536844 5044#define ZFS_DELEG_PERM_BOOKMARK "bookmark"
b5256303
TC		 5045#define ZFS_DELEG_PERM_LOAD_KEY "load-key"
5046#define ZFS_DELEG_PERM_CHANGE_KEY "change-key"
0b7936d5 5047
9c5167d1
NF		 5048#define ZFS_DELEG_PERM_PROJECTUSED "projectused"
5049#define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota"
5050#define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused"
5051#define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota"
5052
0b7936d5
AS		 5053#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
5054
5055static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
5056 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
5057 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
5058 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
5059 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
5060 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
5061 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
5062 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
5063 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
5064 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
5065 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
5066 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
5067 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
5068 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
5069 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
5070 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
da536844 5071 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK },
b5256303
TC		 5072 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY },
5073 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY },
0b7936d5
AS		 5074
5075 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
5076 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
5077 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
5078 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
5079 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
1de321e6
JX		 5080 { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA },
5081 { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED },
5082 { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA },
5083 { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED },
9c5167d1
NF		 5084 { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED },
5085 { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA },
5086 { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED },
5087 { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA },
0b7936d5
AS		 5088 { NULL, ZFS_DELEG_NOTE_NONE }
5089};
5090
5091/* permission structure */
5092typedef struct deleg_perm {
5093 zfs_deleg_who_type_t dp_who_type;
5094 const char *dp_name;
5095 boolean_t dp_local;
5096 boolean_t dp_descend;
5097} deleg_perm_t;
5098
5099/* */
5100typedef struct deleg_perm_node {
5101 deleg_perm_t dpn_perm;
5102
5103 uu_avl_node_t dpn_avl_node;
5104} deleg_perm_node_t;
5105
5106typedef struct fs_perm fs_perm_t;
5107
5108/* permissions set */
5109typedef struct who_perm {
5110 zfs_deleg_who_type_t who_type;
5111 const char *who_name; /* id */
5112 char who_ug_name[256]; /* user/group name */
5113 fs_perm_t *who_fsperm; /* uplink */
5114
5115 uu_avl_t *who_deleg_perm_avl; /* permissions */
5116} who_perm_t;
5117
5118/* */
5119typedef struct who_perm_node {
5120 who_perm_t who_perm;
5121 uu_avl_node_t who_avl_node;
5122} who_perm_node_t;
5123
5124typedef struct fs_perm_set fs_perm_set_t;
5125/* fs permissions */
5126struct fs_perm {
5127 const char *fsp_name;
5128
5129 uu_avl_t *fsp_sc_avl; /* sets,create */
5130 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
5131
5132 fs_perm_set_t *fsp_set; /* uplink */
5133};
5134
5135/* */
5136typedef struct fs_perm_node {
5137 fs_perm_t fspn_fsperm;
5138 uu_avl_t *fspn_avl;
5139
5140 uu_list_node_t fspn_list_node;
5141} fs_perm_node_t;
5142
5143/* top level structure */
5144struct fs_perm_set {
5145 uu_list_pool_t *fsps_list_pool;
5146 uu_list_t *fsps_list; /* list of fs_perms */
5147
5148 uu_avl_pool_t *fsps_named_set_avl_pool;
5149 uu_avl_pool_t *fsps_who_perm_avl_pool;
5150 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
5151};
5152
5153static inline const char *
5154deleg_perm_type(zfs_deleg_note_t note)
5155{
5156 /* subcommands */
5157 switch (note) {
5158 /* SUBCOMMANDS */
5159 /* OTHER */
5160 case ZFS_DELEG_NOTE_GROUPQUOTA:
5161 case ZFS_DELEG_NOTE_GROUPUSED:
5162 case ZFS_DELEG_NOTE_USERPROP:
5163 case ZFS_DELEG_NOTE_USERQUOTA:
5164 case ZFS_DELEG_NOTE_USERUSED:
1de321e6
JX		 5165 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5166 case ZFS_DELEG_NOTE_USEROBJUSED:
5167 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5168 case ZFS_DELEG_NOTE_GROUPOBJUSED:
9c5167d1
NF		 5169 case ZFS_DELEG_NOTE_PROJECTUSED:
5170 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5171 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5172 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
0b7936d5
AS		 5173 /* other */
5174 return (gettext("other"));
5175 default:
5176 return (gettext("subcommand"));
5177 }
5178}
5179
648a09ad 5180static int
0b7936d5
AS		 5181who_type2weight(zfs_deleg_who_type_t who_type)
5182{
5183 int res;
5184 switch (who_type) {
5185 case ZFS_DELEG_NAMED_SET_SETS:
5186 case ZFS_DELEG_NAMED_SET:
5187 res = 0;
5188 break;
5189 case ZFS_DELEG_CREATE_SETS:
5190 case ZFS_DELEG_CREATE:
5191 res = 1;
5192 break;
5193 case ZFS_DELEG_USER_SETS:
5194 case ZFS_DELEG_USER:
5195 res = 2;
5196 break;
5197 case ZFS_DELEG_GROUP_SETS:
5198 case ZFS_DELEG_GROUP:
5199 res = 3;
5200 break;
5201 case ZFS_DELEG_EVERYONE_SETS:
5202 case ZFS_DELEG_EVERYONE:
5203 res = 4;
5204 break;
5205 default:
5206 res = -1;
5207 }
5208
5209 return (res);
5210}
5211
0b7936d5
AS		 5212static int
5213who_perm_compare(const void *larg, const void *rarg, void *unused)
5214{
f291fa65 5215 (void) unused;
0b7936d5
AS		 5216 const who_perm_node_t *l = larg;
5217 const who_perm_node_t *r = rarg;
5218 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
5219 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
5220 int lweight = who_type2weight(ltype);
5221 int rweight = who_type2weight(rtype);
5222 int res = lweight - rweight;
5223 if (res == 0)
5224 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
5225 ZFS_MAX_DELEG_NAME-1);
5226
5227 if (res == 0)
5228 return (0);
5229 if (res > 0)
5230 return (1);
5231 else
5232 return (-1);
5233}
5234
0b7936d5
AS		 5235static int
5236deleg_perm_compare(const void *larg, const void *rarg, void *unused)
5237{
f291fa65 5238 (void) unused;
0b7936d5
AS		 5239 const deleg_perm_node_t *l = larg;
5240 const deleg_perm_node_t *r = rarg;
5241 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
5242 ZFS_MAX_DELEG_NAME-1);
5243
5244 if (res == 0)
5245 return (0);
5246
5247 if (res > 0)
5248 return (1);
5249 else
5250 return (-1);
5251}
5252
5253static inline void
5254fs_perm_set_init(fs_perm_set_t *fspset)
5255{
861166b0 5256 memset(fspset, 0, sizeof (fs_perm_set_t));
0b7936d5
AS		 5257
5258 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
5259 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
5260 NULL, UU_DEFAULT)) == NULL)
5261 nomem();
5262 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
5263 UU_DEFAULT)) == NULL)
5264 nomem();
5265
5266 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
5267 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
5268 who_perm_node_t, who_avl_node), who_perm_compare,
5269 UU_DEFAULT)) == NULL)
5270 nomem();
5271
5272 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
5273 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
5274 who_perm_node_t, who_avl_node), who_perm_compare,
5275 UU_DEFAULT)) == NULL)
5276 nomem();
5277
5278 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
5279 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
5280 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
5281 == NULL)
5282 nomem();
5283}
5284
5285static inline void fs_perm_fini(fs_perm_t *);
5286static inline void who_perm_fini(who_perm_t *);
5287
5288static inline void
5289fs_perm_set_fini(fs_perm_set_t *fspset)
5290{
5291 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
5292
5293 while (node != NULL) {
5294 fs_perm_node_t *next_node =
5295 uu_list_next(fspset->fsps_list, node);
5296 fs_perm_t *fsperm = &node->fspn_fsperm;
5297 fs_perm_fini(fsperm);
5298 uu_list_remove(fspset->fsps_list, node);
5299 free(node);
5300 node = next_node;
5301 }
5302
5303 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
5304 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
5305 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
5306}
5307
5308static inline void
5309deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
5310 const char *name)
5311{
5312 deleg_perm->dp_who_type = type;
5313 deleg_perm->dp_name = name;
5314}
5315
5316static inline void
5317who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
5318 zfs_deleg_who_type_t type, const char *name)
5319{
5320 uu_avl_pool_t *pool;
5321 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
5322
861166b0 5323 memset(who_perm, 0, sizeof (who_perm_t));
0b7936d5
AS		 5324
5325 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
5326 UU_DEFAULT)) == NULL)
5327 nomem();
5328
5329 who_perm->who_type = type;
5330 who_perm->who_name = name;
5331 who_perm->who_fsperm = fsperm;
5332}
5333
5334static inline void
5335who_perm_fini(who_perm_t *who_perm)
5336{
5337 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
5338
5339 while (node != NULL) {
5340 deleg_perm_node_t *next_node =
5341 uu_avl_next(who_perm->who_deleg_perm_avl, node);
5342
5343 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
5344 free(node);
5345 node = next_node;
5346 }
5347
5348 uu_avl_destroy(who_perm->who_deleg_perm_avl);
5349}
5350
5351static inline void
5352fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
5353{
5354 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
5355 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
5356
861166b0 5357 memset(fsperm, 0, sizeof (fs_perm_t));
0b7936d5
AS		 5358
5359 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
5360 == NULL)
5361 nomem();
5362
5363 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
5364 == NULL)
5365 nomem();
5366
5367 fsperm->fsp_set = fspset;
5368 fsperm->fsp_name = fsname;
5369}
5370
5371static inline void
5372fs_perm_fini(fs_perm_t *fsperm)
5373{
5374 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
5375 while (node != NULL) {
5376 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
5377 node);
5378 who_perm_t *who_perm = &node->who_perm;
5379 who_perm_fini(who_perm);
5380 uu_avl_remove(fsperm->fsp_sc_avl, node);
5381 free(node);
5382 node = next_node;
5383 }
5384
5385 node = uu_avl_first(fsperm->fsp_uge_avl);
5386 while (node != NULL) {
5387 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
5388 node);
5389 who_perm_t *who_perm = &node->who_perm;
5390 who_perm_fini(who_perm);
5391 uu_avl_remove(fsperm->fsp_uge_avl, node);
5392 free(node);
5393 node = next_node;
5394 }
5395
5396 uu_avl_destroy(fsperm->fsp_sc_avl);
5397 uu_avl_destroy(fsperm->fsp_uge_avl);
5398}
5399
648a09ad 5400static void
0b7936d5
AS		 5401set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
5402 zfs_deleg_who_type_t who_type, const char *name, char locality)
5403{
5404 uu_avl_index_t idx = 0;
5405
5406 deleg_perm_node_t *found_node = NULL;
5407 deleg_perm_t *deleg_perm = &node->dpn_perm;
5408
5409 deleg_perm_init(deleg_perm, who_type, name);
5410
5411 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5412 == NULL)
5413 uu_avl_insert(avl, node, idx);
5414 else {
5415 node = found_node;
5416 deleg_perm = &node->dpn_perm;
5417 }
5418
5419
5420 switch (locality) {
5421 case ZFS_DELEG_LOCAL:
5422 deleg_perm->dp_local = B_TRUE;
5423 break;
5424 case ZFS_DELEG_DESCENDENT:
5425 deleg_perm->dp_descend = B_TRUE;
5426 break;
5427 case ZFS_DELEG_NA:
5428 break;
5429 default:
5430 assert(B_FALSE); /* invalid locality */
5431 }
5432}
5433
5434static inline int
5435parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
5436{
5437 nvpair_t *nvp = NULL;
5438 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
5439 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
5440 zfs_deleg_who_type_t who_type = who_perm->who_type;
5441
5442 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5443 const char *name = nvpair_name(nvp);
5444 data_type_t type = nvpair_type(nvp);
5445 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
5446 deleg_perm_node_t *node =
5447 safe_malloc(sizeof (deleg_perm_node_t));
5448
5449 VERIFY(type == DATA_TYPE_BOOLEAN);
5450
5451 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
5452 set_deleg_perm_node(avl, node, who_type, name, locality);
5453 }
5454
5455 return (0);
5456}
5457
5458static inline int
5459parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
5460{
5461 nvpair_t *nvp = NULL;
5462 fs_perm_set_t *fspset = fsperm->fsp_set;
5463
5464 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5465 nvlist_t *nvl2 = NULL;
5466 const char *name = nvpair_name(nvp);
5467 uu_avl_t *avl = NULL;
5468 uu_avl_pool_t *avl_pool = NULL;
5469 zfs_deleg_who_type_t perm_type = name[0];
5470 char perm_locality = name[1];
5471 const char *perm_name = name + 3;
0b7936d5
AS		 5472 who_perm_t *who_perm = NULL;
5473
5474 assert('$' == name[2]);
5475
5476 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5477 return (-1);
5478
5479 switch (perm_type) {
5480 case ZFS_DELEG_CREATE:
5481 case ZFS_DELEG_CREATE_SETS:
5482 case ZFS_DELEG_NAMED_SET:
5483 case ZFS_DELEG_NAMED_SET_SETS:
5484 avl_pool = fspset->fsps_named_set_avl_pool;
5485 avl = fsperm->fsp_sc_avl;
5486 break;
5487 case ZFS_DELEG_USER:
5488 case ZFS_DELEG_USER_SETS:
5489 case ZFS_DELEG_GROUP:
5490 case ZFS_DELEG_GROUP_SETS:
5491 case ZFS_DELEG_EVERYONE:
5492 case ZFS_DELEG_EVERYONE_SETS:
5493 avl_pool = fspset->fsps_who_perm_avl_pool;
5494 avl = fsperm->fsp_uge_avl;
5495 break;
648a09ad 5496
0b7936d5 5497 default:
648a09ad 5498 assert(!"unhandled zfs_deleg_who_type_t");
0b7936d5
AS		 5499 }
5500
1e49b288
BB		 5501 who_perm_node_t *found_node = NULL;
5502 who_perm_node_t *node = safe_malloc(
5503 sizeof (who_perm_node_t));
5504 who_perm = &node->who_perm;
5505 uu_avl_index_t idx = 0;
5506
5507 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
5508 who_perm_init(who_perm, fsperm, perm_type, perm_name);
5509
5510 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
5511 == NULL) {
5512 if (avl == fsperm->fsp_uge_avl) {
5513 uid_t rid = 0;
5514 struct passwd *p = NULL;
5515 struct group *g = NULL;
5516 const char *nice_name = NULL;
5517
5518 switch (perm_type) {
5519 case ZFS_DELEG_USER_SETS:
5520 case ZFS_DELEG_USER:
5521 rid = atoi(perm_name);
5522 p = getpwuid(rid);
5523 if (p)
5524 nice_name = p->pw_name;
5525 break;
5526 case ZFS_DELEG_GROUP_SETS:
5527 case ZFS_DELEG_GROUP:
5528 rid = atoi(perm_name);
5529 g = getgrgid(rid);
5530 if (g)
5531 nice_name = g->gr_name;
5532 break;
0b7936d5 5533
1e49b288
BB		 5534 default:
5535 break;
0b7936d5
AS		 5536 }
5537
a8bd6dcf 5538 if (nice_name != NULL) {
1e49b288
BB		 5539 (void) strlcpy(
5540 node->who_perm.who_ug_name,
5541 nice_name, 256);
a8bd6dcf
AG		 5542 } else {
5543 /* User or group unknown */
5544 (void) snprintf(
5545 node->who_perm.who_ug_name,
5546 sizeof (node->who_perm.who_ug_name),
5547 "(unknown: %d)", rid);
5548 }
0b7936d5 5549 }
1e49b288
BB		 5550
5551 uu_avl_insert(avl, node, idx);
5552 } else {
5553 node = found_node;
5554 who_perm = &node->who_perm;
0b7936d5 5555 }
1e49b288
BB		 5556
5557 assert(who_perm != NULL);
0b7936d5
AS		 5558 (void) parse_who_perm(who_perm, nvl2, perm_locality);
5559 }
5560
5561 return (0);
5562}
5563
5564static inline int
5565parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
5566{
5567 nvpair_t *nvp = NULL;
5568 uu_avl_index_t idx = 0;
5569
5570 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5571 nvlist_t *nvl2 = NULL;
5572 const char *fsname = nvpair_name(nvp);
5573 data_type_t type = nvpair_type(nvp);
5574 fs_perm_t *fsperm = NULL;
5575 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
0b7936d5
AS		 5576
5577 fsperm = &node->fspn_fsperm;
5578
5579 VERIFY(DATA_TYPE_NVLIST == type);
5580
5581 uu_list_node_init(node, &node->fspn_list_node,
5582 fspset->fsps_list_pool);
5583
5584 idx = uu_list_numnodes(fspset->fsps_list);
5585 fs_perm_init(fsperm, fspset, fsname);
5586
5587 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
5588 return (-1);
5589
5590 (void) parse_fs_perm(fsperm, nvl2);
5591
5592 uu_list_insert(fspset->fsps_list, node, idx);
5593 }
5594
5595 return (0);
5596}
5597
5598static inline const char *
5599deleg_perm_comment(zfs_deleg_note_t note)
5600{
5601 const char *str = "";
5602
5603 /* subcommands */
5604 switch (note) {
5605 /* SUBCOMMANDS */
5606 case ZFS_DELEG_NOTE_ALLOW:
5607 str = gettext("Must also have the permission that is being"
5608 "\n\t\t\t\tallowed");
5609 break;
5610 case ZFS_DELEG_NOTE_CLONE:
5611 str = gettext("Must also have the 'create' ability and 'mount'"
5612 "\n\t\t\t\tability in the origin file system");
5613 break;
5614 case ZFS_DELEG_NOTE_CREATE:
5615 str = gettext("Must also have the 'mount' ability");
5616 break;
5617 case ZFS_DELEG_NOTE_DESTROY:
5618 str = gettext("Must also have the 'mount' ability");
5619 break;
5620 case ZFS_DELEG_NOTE_DIFF:
5621 str = gettext("Allows lookup of paths within a dataset;"
5622 "\n\t\t\t\tgiven an object number. Ordinary users need this"
5623 "\n\t\t\t\tin order to use zfs diff");
5624 break;
5625 case ZFS_DELEG_NOTE_HOLD:
5626 str = gettext("Allows adding a user hold to a snapshot");
5627 break;
5628 case ZFS_DELEG_NOTE_MOUNT:
5629 str = gettext("Allows mount/umount of ZFS datasets");
5630 break;
5631 case ZFS_DELEG_NOTE_PROMOTE:
5632 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
5633 " 'promote' ability in the origin file system");
5634 break;
5635 case ZFS_DELEG_NOTE_RECEIVE:
5636 str = gettext("Must also have the 'mount' and 'create'"
5637 " ability");
5638 break;
5639 case ZFS_DELEG_NOTE_RELEASE:
5640 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
5641 "might destroy the snapshot");
5642 break;
5643 case ZFS_DELEG_NOTE_RENAME:
5644 str = gettext("Must also have the 'mount' and 'create'"
5645 "\n\t\t\t\tability in the new parent");
5646 break;
5647 case ZFS_DELEG_NOTE_ROLLBACK:
5648 str = gettext("");
5649 break;
5650 case ZFS_DELEG_NOTE_SEND:
5651 str = gettext("");
5652 break;
5653 case ZFS_DELEG_NOTE_SHARE:
5654 str = gettext("Allows sharing file systems over NFS or SMB"
5655 "\n\t\t\t\tprotocols");
5656 break;
5657 case ZFS_DELEG_NOTE_SNAPSHOT:
5658 str = gettext("");
5659 break;
b5256303
TC		 5660 case ZFS_DELEG_NOTE_LOAD_KEY:
5661 str = gettext("Allows loading or unloading an encryption key");
5662 break;
5663 case ZFS_DELEG_NOTE_CHANGE_KEY:
5664 str = gettext("Allows changing or adding an encryption key");
5665 break;
0b7936d5
AS		 5666/*
5667 * case ZFS_DELEG_NOTE_VSCAN:
5668 * str = gettext("");
5669 * break;
5670 */
5671 /* OTHER */
5672 case ZFS_DELEG_NOTE_GROUPQUOTA:
5673 str = gettext("Allows accessing any groupquota@... property");
5674 break;
5675 case ZFS_DELEG_NOTE_GROUPUSED:
5676 str = gettext("Allows reading any groupused@... property");
5677 break;
5678 case ZFS_DELEG_NOTE_USERPROP:
5679 str = gettext("Allows changing any user property");
5680 break;
5681 case ZFS_DELEG_NOTE_USERQUOTA:
5682 str = gettext("Allows accessing any userquota@... property");
5683 break;
5684 case ZFS_DELEG_NOTE_USERUSED:
5685 str = gettext("Allows reading any userused@... property");
5686 break;
1de321e6
JX		 5687 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5688 str = gettext("Allows accessing any userobjquota@... property");
5689 break;
5690 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5691 str = gettext("Allows accessing any \n\t\t\t\t"
5692 "groupobjquota@... property");
5693 break;
5694 case ZFS_DELEG_NOTE_GROUPOBJUSED:
5695 str = gettext("Allows reading any groupobjused@... property");
5696 break;
5697 case ZFS_DELEG_NOTE_USEROBJUSED:
5698 str = gettext("Allows reading any userobjused@... property");
5699 break;
9c5167d1
NF		 5700 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5701 str = gettext("Allows accessing any projectquota@... property");
5702 break;
5703 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
5704 str = gettext("Allows accessing any \n\t\t\t\t"
5705 "projectobjquota@... property");
5706 break;
5707 case ZFS_DELEG_NOTE_PROJECTUSED:
5708 str = gettext("Allows reading any projectused@... property");
5709 break;
5710 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5711 str = gettext("Allows accessing any \n\t\t\t\t"
5712 "projectobjused@... property");
5713 break;
0b7936d5
AS		 5714 /* other */
5715 default:
5716 str = "";
5717 }
5718
5719 return (str);
5720}
5721
5722struct allow_opts {
5723 boolean_t local;
5724 boolean_t descend;
5725 boolean_t user;
5726 boolean_t group;
5727 boolean_t everyone;
5728 boolean_t create;
5729 boolean_t set;
5730 boolean_t recursive; /* unallow only */
5731 boolean_t prt_usage;
5732
5733 boolean_t prt_perms;
5734 char *who;
5735 char *perms;
5736 const char *dataset;
5737};
5738
5739static inline int
5740prop_cmp(const void *a, const void *b)
5741{
5742 const char *str1 = *(const char **)a;
5743 const char *str2 = *(const char **)b;
5744 return (strcmp(str1, str2));
5745}
5746
5747static void
5748allow_usage(boolean_t un, boolean_t requested, const char *msg)
5749{
5750 const char *opt_desc[] = {
5751 "-h", gettext("show this help message and exit"),
5752 "-l", gettext("set permission locally"),
5753 "-d", gettext("set permission for descents"),
5754 "-u", gettext("set permission for user"),
5755 "-g", gettext("set permission for group"),
5756 "-e", gettext("set permission for everyone"),
5757 "-c", gettext("set create time permission"),
5758 "-s", gettext("define permission set"),
5759 /* unallow only */
5760 "-r", gettext("remove permissions recursively"),
5761 };
5762 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
5763 size_t allow_size = unallow_size - 2;
5764 const char *props[ZFS_NUM_PROPS];
5765 int i;
5766 size_t count = 0;
5767 FILE *fp = requested ? stdout : stderr;
5768 zprop_desc_t *pdtbl = zfs_prop_get_table();
5769 const char *fmt = gettext("%-16s %-14s\t%s\n");
5770
5771 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
5772 HELP_ALLOW));
5773 (void) fprintf(fp, gettext("Options:\n"));
010782be 5774 for (i = 0; i < (un ? unallow_size : allow_size); i += 2) {
5775 const char *opt = opt_desc[i];
5776 const char *optdsc = opt_desc[i + 1];
0b7936d5
AS		 5777 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
5778 }
5779
5780 (void) fprintf(fp, gettext("\nThe following permissions are "
5781 "supported:\n\n"));
5782 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
5783 gettext("NOTES"));
5784 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
5785 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
5786 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
5787 const char *perm_type = deleg_perm_type(perm_note);
5788 const char *perm_comment = deleg_perm_comment(perm_note);
5789 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
5790 }
5791
5792 for (i = 0; i < ZFS_NUM_PROPS; i++) {
5793 zprop_desc_t *pd = &pdtbl[i];
5794 if (pd->pd_visible != B_TRUE)
5795 continue;
5796
5797 if (pd->pd_attr == PROP_READONLY)
5798 continue;
5799
5800 props[count++] = pd->pd_name;
5801 }
5802 props[count] = NULL;
5803
5804 qsort(props, count, sizeof (char *), prop_cmp);
5805
5806 for (i = 0; i < count; i++)
5807 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
5808
5809 if (msg != NULL)
5810 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
5811
5812 exit(requested ? 0 : 2);
5813}
5814
5815static inline const char *
5816munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
5817 char **permsp)
5818{
5819 if (un && argc == expected_argc - 1)
5820 *permsp = NULL;
5821 else if (argc == expected_argc)
5822 *permsp = argv[argc - 2];
5823 else
5824 allow_usage(un, B_FALSE,
5825 gettext("wrong number of parameters\n"));
5826
5827 return (argv[argc - 1]);
5828}
5829
5830static void
5831parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
5832{
5833 int uge_sum = opts->user + opts->group + opts->everyone;
5834 int csuge_sum = opts->create + opts->set + uge_sum;
5835 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
5836 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
5837
5838 if (uge_sum > 1)
5839 allow_usage(un, B_FALSE,
5840 gettext("-u, -g, and -e are mutually exclusive\n"));
5841
5842 if (opts->prt_usage) {
5843 if (argc == 0 && all_sum == 0)
5844 allow_usage(un, B_TRUE, NULL);
5845 else
5846 usage(B_FALSE);
5847 }
5848
5849 if (opts->set) {
5850 if (csuge_sum > 1)
5851 allow_usage(un, B_FALSE,
5852 gettext("invalid options combined with -s\n"));
5853
5854 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5855 if (argv[0][0] != '@')
5856 allow_usage(un, B_FALSE,
5857 gettext("invalid set name: missing '@' prefix\n"));
5858 opts->who = argv[0];
5859 } else if (opts->create) {
5860 if (ldcsuge_sum > 1)
5861 allow_usage(un, B_FALSE,
5862 gettext("invalid options combined with -c\n"));
5863 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5864 } else if (opts->everyone) {
5865 if (csuge_sum > 1)
5866 allow_usage(un, B_FALSE,
5867 gettext("invalid options combined with -e\n"));
5868 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5869 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
5870 == 0) {
5871 opts->everyone = B_TRUE;
5872 argc--;
5873 argv++;
5874 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
79e72243 5875 } else if (argc == 1 && !un) {
0b7936d5
AS		 5876 opts->prt_perms = B_TRUE;
5877 opts->dataset = argv[argc-1];
5878 } else {
5879 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5880 opts->who = argv[0];
5881 }
5882
5883 if (!opts->local && !opts->descend) {
5884 opts->local = B_TRUE;
5885 opts->descend = B_TRUE;
5886 }
5887}
5888
5889static void
5890store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
5891 const char *who, char *perms, nvlist_t *top_nvl)
5892{
5893 int i;
5894 char ld[2] = { '\0', '\0' };
eca7b760 5895 char who_buf[MAXNAMELEN + 32];
648a09ad
BB		 5896 char base_type = '\0';
5897 char set_type = '\0';
0b7936d5
AS		 5898 nvlist_t *base_nvl = NULL;
5899 nvlist_t *set_nvl = NULL;
5900 nvlist_t *nvl;
5901
5902 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
5903 nomem();
5904 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
5905 nomem();
5906
5907 switch (type) {
5908 case ZFS_DELEG_NAMED_SET_SETS:
5909 case ZFS_DELEG_NAMED_SET:
5910 set_type = ZFS_DELEG_NAMED_SET_SETS;
5911 base_type = ZFS_DELEG_NAMED_SET;
5912 ld[0] = ZFS_DELEG_NA;
5913 break;
5914 case ZFS_DELEG_CREATE_SETS:
5915 case ZFS_DELEG_CREATE:
5916 set_type = ZFS_DELEG_CREATE_SETS;
5917 base_type = ZFS_DELEG_CREATE;
5918 ld[0] = ZFS_DELEG_NA;
5919 break;
5920 case ZFS_DELEG_USER_SETS:
5921 case ZFS_DELEG_USER:
5922 set_type = ZFS_DELEG_USER_SETS;
5923 base_type = ZFS_DELEG_USER;
5924 if (local)
5925 ld[0] = ZFS_DELEG_LOCAL;
5926 if (descend)
5927 ld[1] = ZFS_DELEG_DESCENDENT;
5928 break;
5929 case ZFS_DELEG_GROUP_SETS:
5930 case ZFS_DELEG_GROUP:
5931 set_type = ZFS_DELEG_GROUP_SETS;
5932 base_type = ZFS_DELEG_GROUP;
5933 if (local)
5934 ld[0] = ZFS_DELEG_LOCAL;
5935 if (descend)
5936 ld[1] = ZFS_DELEG_DESCENDENT;
5937 break;
5938 case ZFS_DELEG_EVERYONE_SETS:
5939 case ZFS_DELEG_EVERYONE:
5940 set_type = ZFS_DELEG_EVERYONE_SETS;
5941 base_type = ZFS_DELEG_EVERYONE;
5942 if (local)
5943 ld[0] = ZFS_DELEG_LOCAL;
5944 if (descend)
5945 ld[1] = ZFS_DELEG_DESCENDENT;
0b7936d5 5946 break;
648a09ad
BB		 5947
5948 default:
5949 assert(set_type != '\0' && base_type != '\0');
0b7936d5
AS		 5950 }
5951
5952 if (perms != NULL) {
5953 char *curr = perms;
5954 char *end = curr + strlen(perms);
5955
5956 while (curr < end) {
5957 char *delim = strchr(curr, ',');
5958 if (delim == NULL)
5959 delim = end;
5960 else
5961 *delim = '\0';
5962
5963 if (curr[0] == '@')
5964 nvl = set_nvl;
5965 else
5966 nvl = base_nvl;
5967
5968 (void) nvlist_add_boolean(nvl, curr);
5969 if (delim != end)
5970 *delim = ',';
5971 curr = delim + 1;
5972 }
5973
5974 for (i = 0; i < 2; i++) {
5975 char locality = ld[i];
5976 if (locality == 0)
5977 continue;
5978
5979 if (!nvlist_empty(base_nvl)) {
5980 if (who != NULL)
5981 (void) snprintf(who_buf,
5982 sizeof (who_buf), "%c%c$%s",
5983 base_type, locality, who);
5984 else
5985 (void) snprintf(who_buf,
5986 sizeof (who_buf), "%c%c$",
5987 base_type, locality);
5988
5989 (void) nvlist_add_nvlist(top_nvl, who_buf,
5990 base_nvl);
5991 }
5992
5993
5994 if (!nvlist_empty(set_nvl)) {
5995 if (who != NULL)
5996 (void) snprintf(who_buf,
5997 sizeof (who_buf), "%c%c$%s",
5998 set_type, locality, who);
5999 else
6000 (void) snprintf(who_buf,
6001 sizeof (who_buf), "%c%c$",
6002 set_type, locality);
6003
6004 (void) nvlist_add_nvlist(top_nvl, who_buf,
6005 set_nvl);
6006 }
6007 }
6008 } else {
6009 for (i = 0; i < 2; i++) {
6010 char locality = ld[i];
6011 if (locality == 0)
6012 continue;
6013
6014 if (who != NULL)
6015 (void) snprintf(who_buf, sizeof (who_buf),
6016 "%c%c$%s", base_type, locality, who);
6017 else
6018 (void) snprintf(who_buf, sizeof (who_buf),
6019 "%c%c$", base_type, locality);
6020 (void) nvlist_add_boolean(top_nvl, who_buf);
6021
6022 if (who != NULL)
6023 (void) snprintf(who_buf, sizeof (who_buf),
6024 "%c%c$%s", set_type, locality, who);
6025 else
6026 (void) snprintf(who_buf, sizeof (who_buf),
6027 "%c%c$", set_type, locality);
6028 (void) nvlist_add_boolean(top_nvl, who_buf);
6029 }
6030 }
6031}
6032
6033static int
6034construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
6035{
6036 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
6037 nomem();
6038
6039 if (opts->set) {
6040 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
6041 opts->descend, opts->who, opts->perms, *nvlp);
6042 } else if (opts->create) {
6043 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
6044 opts->descend, NULL, opts->perms, *nvlp);
6045 } else if (opts->everyone) {
6046 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
6047 opts->descend, NULL, opts->perms, *nvlp);
6048 } else {
6049 char *curr = opts->who;
6050 char *end = curr + strlen(curr);
6051
6052 while (curr < end) {
6053 const char *who;
4c069d34 6054 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 6055 char *endch;
6056 char *delim = strchr(curr, ',');
6057 char errbuf[256];
6058 char id[64];
6059 struct passwd *p = NULL;
6060 struct group *g = NULL;
6061
6062 uid_t rid;
6063 if (delim == NULL)
6064 delim = end;
6065 else
6066 *delim = '\0';
6067
6068 rid = (uid_t)strtol(curr, &endch, 0);
6069 if (opts->user) {
6070 who_type = ZFS_DELEG_USER;
6071 if (*endch != '\0')
6072 p = getpwnam(curr);
6073 else
6074 p = getpwuid(rid);
6075
6076 if (p != NULL)
6077 rid = p->pw_uid;
a8bd6dcf 6078 else if (*endch != '\0') {
6052060c
AH		 6079 (void) snprintf(errbuf, sizeof (errbuf),
6080 gettext("invalid user %s\n"), curr);
0b7936d5
AS		 6081 allow_usage(un, B_TRUE, errbuf);
6082 }
6083 } else if (opts->group) {
6084 who_type = ZFS_DELEG_GROUP;
6085 if (*endch != '\0')
6086 g = getgrnam(curr);
6087 else
6088 g = getgrgid(rid);
6089
6090 if (g != NULL)
6091 rid = g->gr_gid;
a8bd6dcf 6092 else if (*endch != '\0') {
6052060c
AH		 6093 (void) snprintf(errbuf, sizeof (errbuf),
6094 gettext("invalid group %s\n"),
6095 curr);
0b7936d5
AS		 6096 allow_usage(un, B_TRUE, errbuf);
6097 }
6098 } else {
6099 if (*endch != '\0') {
6100 p = getpwnam(curr);
6101 } else {
6102 p = getpwuid(rid);
6103 }
6104
6105 if (p == NULL) {
6106 if (*endch != '\0') {
6107 g = getgrnam(curr);
6108 } else {
6109 g = getgrgid(rid);
6110 }
6111 }
6112
6113 if (p != NULL) {
6114 who_type = ZFS_DELEG_USER;
6115 rid = p->pw_uid;
6116 } else if (g != NULL) {
6117 who_type = ZFS_DELEG_GROUP;
6118 rid = g->gr_gid;
6119 } else {
6052060c
AH		 6120 (void) snprintf(errbuf, sizeof (errbuf),
6121 gettext("invalid user/group %s\n"),
6122 curr);
0b7936d5
AS		 6123 allow_usage(un, B_TRUE, errbuf);
6124 }
6125 }
6126
6127 (void) sprintf(id, "%u", rid);
6128 who = id;
6129
6130 store_allow_perm(who_type, opts->local,
6131 opts->descend, who, opts->perms, *nvlp);
6132 curr = delim + 1;
6133 }
6134 }
6135
6136 return (0);
6137}
6138
6139static void
6140print_set_creat_perms(uu_avl_t *who_avl)
6141{
6142 const char *sc_title[] = {
6143 gettext("Permission sets:\n"),
6144 gettext("Create time permissions:\n"),
6145 NULL
6146 };
0b7936d5
AS		 6147 who_perm_node_t *who_node = NULL;
6148 int prev_weight = -1;
6149
6150 for (who_node = uu_avl_first(who_avl); who_node != NULL;
6151 who_node = uu_avl_next(who_avl, who_node)) {
6152 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6153 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6154 const char *who_name = who_node->who_perm.who_name;
6155 int weight = who_type2weight(who_type);
6156 boolean_t first = B_TRUE;
6157 deleg_perm_node_t *deleg_node;
6158
6159 if (prev_weight != weight) {
0238a975 6160 (void) printf("%s", sc_title[weight]);
0b7936d5
AS		 6161 prev_weight = weight;
6162 }
6163
6164 if (who_name == NULL || strnlen(who_name, 1) == 0)
6165 (void) printf("\t");
6166 else
6167 (void) printf("\t%s ", who_name);
6168
6169 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
6170 deleg_node = uu_avl_next(avl, deleg_node)) {
6171 if (first) {
6172 (void) printf("%s",
6173 deleg_node->dpn_perm.dp_name);
6174 first = B_FALSE;
6175 } else
6176 (void) printf(",%s",
6177 deleg_node->dpn_perm.dp_name);
6178 }
6179
6180 (void) printf("\n");
6181 }
6182}
34dc7c2f 6183
648a09ad 6184static void
0b7936d5
AS		 6185print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
6186 const char *title)
6187{
6188 who_perm_node_t *who_node = NULL;
6189 boolean_t prt_title = B_TRUE;
6190 uu_avl_walk_t *walk;
34dc7c2f 6191
0b7936d5
AS		 6192 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
6193 nomem();
34dc7c2f 6194
0b7936d5
AS		 6195 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
6196 const char *who_name = who_node->who_perm.who_name;
6197 const char *nice_who_name = who_node->who_perm.who_ug_name;
6198 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
6199 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
6200 char delim = ' ';
6201 deleg_perm_node_t *deleg_node;
6202 boolean_t prt_who = B_TRUE;
6203
6204 for (deleg_node = uu_avl_first(avl);
6205 deleg_node != NULL;
6206 deleg_node = uu_avl_next(avl, deleg_node)) {
6207 if (local != deleg_node->dpn_perm.dp_local ||
6208 descend != deleg_node->dpn_perm.dp_descend)
6209 continue;
6210
6211 if (prt_who) {
6212 const char *who = NULL;
6213 if (prt_title) {
6214 prt_title = B_FALSE;
29b35200 6215 (void) printf("%s", title);
0b7936d5
AS		 6216 }
6217
6218 switch (who_type) {
6219 case ZFS_DELEG_USER_SETS:
6220 case ZFS_DELEG_USER:
6221 who = gettext("user");
6222 if (nice_who_name)
6223 who_name = nice_who_name;
6224 break;
6225 case ZFS_DELEG_GROUP_SETS:
6226 case ZFS_DELEG_GROUP:
6227 who = gettext("group");
6228 if (nice_who_name)
6229 who_name = nice_who_name;
6230 break;
6231 case ZFS_DELEG_EVERYONE_SETS:
6232 case ZFS_DELEG_EVERYONE:
6233 who = gettext("everyone");
6234 who_name = NULL;
0b7936d5 6235 break;
648a09ad
BB		 6236
6237 default:
6238 assert(who != NULL);
0b7936d5
AS		 6239 }
6240
6241 prt_who = B_FALSE;
6242 if (who_name == NULL)
6243 (void) printf("\t%s", who);
6244 else
6245 (void) printf("\t%s %s", who, who_name);
34dc7c2f 6246 }
0b7936d5
AS		 6247
6248 (void) printf("%c%s", delim,
6249 deleg_node->dpn_perm.dp_name);
6250 delim = ',';
34dc7c2f 6251 }
34dc7c2f 6252
0b7936d5
AS		 6253 if (!prt_who)
6254 (void) printf("\n");
6255 }
428870ff 6256
0b7936d5
AS		 6257 uu_avl_walk_end(walk);
6258}
34dc7c2f 6259
0b7936d5
AS		 6260static void
6261print_fs_perms(fs_perm_set_t *fspset)
6262{
6263 fs_perm_node_t *node = NULL;
eca7b760 6264 char buf[MAXNAMELEN + 32];
0b7936d5
AS		 6265 const char *dsname = buf;
6266
6267 for (node = uu_list_first(fspset->fsps_list); node != NULL;
6268 node = uu_list_next(fspset->fsps_list, node)) {
6269 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
6270 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
6271 int left = 0;
6272
eca7b760 6273 (void) snprintf(buf, sizeof (buf),
0b7936d5
AS		 6274 gettext("---- Permissions on %s "),
6275 node->fspn_fsperm.fsp_name);
29b35200 6276 (void) printf("%s", dsname);
0b7936d5
AS		 6277 left = 70 - strlen(buf);
6278 while (left-- > 0)
6279 (void) printf("-");
6280 (void) printf("\n");
6281
6282 print_set_creat_perms(sc_avl);
6283 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
6284 gettext("Local permissions:\n"));
6285 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
6286 gettext("Descendent permissions:\n"));
6287 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
6288 gettext("Local+Descendent permissions:\n"));
428870ff 6289 }
0b7936d5 6290}
34dc7c2f 6291
0b7936d5
AS		 6292static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
6293
6294struct deleg_perms {
6295 boolean_t un;
6296 nvlist_t *nvl;
6297};
6298
6299static int
6300set_deleg_perms(zfs_handle_t *zhp, void *data)
6301{
6302 struct deleg_perms *perms = (struct deleg_perms *)data;
6303 zfs_type_t zfs_type = zfs_get_type(zhp);
6304
6305 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
6306 return (0);
6307
6308 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 6309}
6310
34dc7c2f 6311static int
0b7936d5 6312zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 6313{
0b7936d5
AS		 6314 zfs_handle_t *zhp;
6315 nvlist_t *perm_nvl = NULL;
6316 nvlist_t *update_perm_nvl = NULL;
6317 int error = 1;
6318 int c;
6319 struct allow_opts opts = { 0 };
34dc7c2f 6320
0b7936d5
AS		 6321 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
6322
6323 /* check opts */
6324 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 6325 switch (c) {
0b7936d5
AS		 6326 case 'l':
6327 opts.local = B_TRUE;
6328 break;
34dc7c2f 6329 case 'd':
0b7936d5 6330 opts.descend = B_TRUE;
34dc7c2f 6331 break;
0b7936d5
AS		 6332 case 'u':
6333 opts.user = B_TRUE;
428870ff 6334 break;
0b7936d5
AS		 6335 case 'g':
6336 opts.group = B_TRUE;
34dc7c2f 6337 break;
0b7936d5
AS		 6338 case 'e':
6339 opts.everyone = B_TRUE;
d164b209 6340 break;
0b7936d5
AS		 6341 case 's':
6342 opts.set = B_TRUE;
34dc7c2f 6343 break;
0b7936d5
AS		 6344 case 'c':
6345 opts.create = B_TRUE;
6346 break;
6347 case 'r':
6348 opts.recursive = B_TRUE;
34dc7c2f
BB		 6349 break;
6350 case ':':
6351 (void) fprintf(stderr, gettext("missing argument for "
6352 "'%c' option\n"), optopt);
6353 usage(B_FALSE);
6354 break;
0b7936d5
AS		 6355 case 'h':
6356 opts.prt_usage = B_TRUE;
6357 break;
34dc7c2f
BB		 6358 case '?':
6359 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6360 optopt);
6361 usage(B_FALSE);
6362 }
6363 }
6364
6365 argc -= optind;
6366 argv += optind;
6367
0b7936d5
AS		 6368 /* check arguments */
6369 parse_allow_args(argc, argv, un, &opts);
6370
6371 /* try to open the dataset */
684e8c06
AE		 6372 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
6373 ZFS_TYPE_VOLUME)) == NULL) {
6374 (void) fprintf(stderr, "Failed to open dataset: %s\n",
0b7936d5
AS		 6375 opts.dataset);
6376 return (-1);
34dc7c2f 6377 }
0b7936d5
AS		 6378
6379 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
6380 goto cleanup2;
6381
6382 fs_perm_set_init(&fs_perm_set);
6383 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
684e8c06 6384 (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
0b7936d5 6385 goto cleanup1;
34dc7c2f
BB		 6386 }
6387
0b7936d5
AS		 6388 if (opts.prt_perms)
6389 print_fs_perms(&fs_perm_set);
6390 else {
6391 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
6392 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
6393 goto cleanup0;
6394
6395 if (un && opts.recursive) {
6396 struct deleg_perms data = { un, update_perm_nvl };
baca06c2 6397 if (zfs_iter_filesystems_v2(zhp, 0, set_deleg_perms,
0b7936d5
AS		 6398 &data) != 0)
6399 goto cleanup0;
6400 }
34dc7c2f
BB		 6401 }
6402
0b7936d5 6403 error = 0;
34dc7c2f 6404
0b7936d5
AS		 6405cleanup0:
6406 nvlist_free(perm_nvl);
8a5fc748 6407 nvlist_free(update_perm_nvl);
0b7936d5
AS		 6408cleanup1:
6409 fs_perm_set_fini(&fs_perm_set);
6410cleanup2:
6411 zfs_close(zhp);
6412
6413 return (error);
6414}
6415
0b7936d5
AS		 6416static int
6417zfs_do_allow(int argc, char **argv)
6418{
6419 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
6420}
6421
0b7936d5
AS		 6422static int
6423zfs_do_unallow(int argc, char **argv)
6424{
6425 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 6426}
6427
45d1cae3
BB		 6428static int
6429zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
6430{
6431 int errors = 0;
6432 int i;
6433 const char *tag;
6434 boolean_t recursive = B_FALSE;
428870ff 6435 const char *opts = holding ? "rt" : "r";
45d1cae3 6436 int c;
45d1cae3
BB		 6437
6438 /* check options */
428870ff 6439 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 6440 switch (c) {
6441 case 'r':
6442 recursive = B_TRUE;
6443 break;
6444 case '?':
6445 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6446 optopt);
6447 usage(B_FALSE);
6448 }
6449 }
6450
6451 argc -= optind;
6452 argv += optind;
6453
6454 /* check number of arguments */
6455 if (argc < 2)
6456 usage(B_FALSE);
6457
6458 tag = argv[0];
6459 --argc;
6460 ++argv;
6461
428870ff
BB		 6462 if (holding && tag[0] == '.') {
6463 /* tags starting with '.' are reserved for libzfs */
6464 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
6465 usage(B_FALSE);
45d1cae3
BB		 6466 }
6467
6468 for (i = 0; i < argc; ++i) {
6469 zfs_handle_t *zhp;
eca7b760 6470 char parent[ZFS_MAX_DATASET_NAME_LEN];
45d1cae3
BB		 6471 const char *delim;
6472 char *path = argv[i];
6473
6474 delim = strchr(path, '@');
6475 if (delim == NULL) {
6476 (void) fprintf(stderr,
6477 gettext("'%s' is not a snapshot\n"), path);
6478 ++errors;
6479 continue;
6480 }
7584fbe8
RY		 6481 (void) strlcpy(parent, path, MIN(sizeof (parent),
6482 delim - path + 1));
45d1cae3
BB		 6483
6484 zhp = zfs_open(g_zfs, parent,
6485 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
6486 if (zhp == NULL) {
6487 ++errors;
6488 continue;
6489 }
428870ff 6490 if (holding) {
95fd54a1 6491 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
428870ff
BB		 6492 ++errors;
6493 } else {
6494 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
6495 ++errors;
6496 }
45d1cae3
BB		 6497 zfs_close(zhp);
6498 }
6499
6500 return (errors != 0);
6501}
6502
6503/*
428870ff 6504 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 6505 *
428870ff 6506 * -r Recursively hold
45d1cae3
BB		 6507 *
6508 * Apply a user-hold with the given tag to the list of snapshots.
6509 */
6510static int
6511zfs_do_hold(int argc, char **argv)
6512{
6513 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
6514}
6515
6516/*
6517 * zfs release [-r] <tag> <snap> ...
6518 *
428870ff 6519 * -r Recursively release
45d1cae3
BB		 6520 *
6521 * Release a user-hold with the given tag from the list of snapshots.
6522 */
6523static int
6524zfs_do_release(int argc, char **argv)
6525{
6526 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
6527}
6528
0b7936d5
AS		 6529typedef struct holds_cbdata {
6530 boolean_t cb_recursive;
6531 const char *cb_snapname;
6532 nvlist_t **cb_nvlp;
6533 size_t cb_max_namelen;
6534 size_t cb_max_taglen;
6535} holds_cbdata_t;
6536
1d2ddb9b 6537#define STRFTIME_FMT_STR "%a %b %e %H:%M %Y"
0b7936d5
AS		 6538#define DATETIME_BUF_LEN (32)
6539/*
6540 *
6541 */
6542static void
41715771
MT		 6543print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl,
6544 boolean_t parsable)
0b7936d5
AS		 6545{
6546 int i;
6547 nvpair_t *nvp = NULL;
a926aab9 6548 const char *const hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
0b7936d5
AS		 6549 const char *col;
6550
6551 if (!scripted) {
6552 for (i = 0; i < 3; i++) {
6553 col = gettext(hdr_cols[i]);
6554 if (i < 2)
6555 (void) printf("%-*s ", i ? tagwidth : nwidth,
6556 col);
6557 else
6558 (void) printf("%s\n", col);
6559 }
6560 }
6561
6562 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
d1807f16 6563 const char *zname = nvpair_name(nvp);
0b7936d5
AS		 6564 nvlist_t *nvl2;
6565 nvpair_t *nvp2 = NULL;
6566 (void) nvpair_value_nvlist(nvp, &nvl2);
6567 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
6568 char tsbuf[DATETIME_BUF_LEN];
dd66857d 6569 const char *tagname = nvpair_name(nvp2);
0b7936d5
AS		 6570 uint64_t val = 0;
6571 time_t time;
6572 struct tm t;
0b7936d5
AS		 6573
6574 (void) nvpair_value_uint64(nvp2, &val);
6575 time = (time_t)val;
6576 (void) localtime_r(&time, &t);
6577 (void) strftime(tsbuf, DATETIME_BUF_LEN,
6578 gettext(STRFTIME_FMT_STR), &t);
6579
6bc4a237 6580 if (scripted) {
41715771
MT		 6581 if (parsable) {
6582 (void) printf("%s\t%s\t%ld\n", zname,
6583 tagname, time);
6584 } else {
6585 (void) printf("%s\t%s\t%s\n", zname,
6586 tagname, tsbuf);
6587 }
6bc4a237 6588 } else {
41715771
MT		 6589 if (parsable) {
6590 (void) printf("%-*s %-*s %ld\n",
6591 nwidth, zname, tagwidth,
6592 tagname, time);
6593 } else {
6594 (void) printf("%-*s %-*s %s\n",
6595 nwidth, zname, tagwidth,
6596 tagname, tsbuf);
6597 }
6bc4a237 6598 }
0b7936d5
AS		 6599 }
6600 }
6601}
6602
6603/*
6604 * Generic callback function to list a dataset or snapshot.
6605 */
6606static int
6607holds_callback(zfs_handle_t *zhp, void *data)
6608{
6609 holds_cbdata_t *cbp = data;
6610 nvlist_t *top_nvl = *cbp->cb_nvlp;
6611 nvlist_t *nvl = NULL;
6612 nvpair_t *nvp = NULL;
6613 const char *zname = zfs_get_name(zhp);
eca7b760 6614 size_t znamelen = strlen(zname);
0b7936d5
AS		 6615
6616 if (cbp->cb_recursive) {
6617 const char *snapname;
6618 char *delim = strchr(zname, '@');
6619 if (delim == NULL)
6620 return (0);
6621
6622 snapname = delim + 1;
6623 if (strcmp(cbp->cb_snapname, snapname))
6624 return (0);
6625 }
6626
6627 if (zfs_get_holds(zhp, &nvl) != 0)
6628 return (-1);
6629
6630 if (znamelen > cbp->cb_max_namelen)
6631 cbp->cb_max_namelen = znamelen;
6632
6633 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
6634 const char *tag = nvpair_name(nvp);
eca7b760 6635 size_t taglen = strlen(tag);
0b7936d5
AS		 6636 if (taglen > cbp->cb_max_taglen)
6637 cbp->cb_max_taglen = taglen;
6638 }
6639
6640 return (nvlist_add_nvlist(top_nvl, zname, nvl));
6641}
6642
6643/*
41715771 6644 * zfs holds [-rHp] <snap> ...
0b7936d5 6645 *
a9d6270a 6646 * -r Lists holds that are set on the named snapshots recursively.
6647 * -H Scripted mode; elide headers and separate columns by tabs.
41715771 6648 * -p Display values in parsable (literal) format.
0b7936d5
AS		 6649 */
6650static int
6651zfs_do_holds(int argc, char **argv)
6652{
0b7936d5 6653 int c;
55d36e47 6654 boolean_t errors = B_FALSE;
0b7936d5
AS		 6655 boolean_t scripted = B_FALSE;
6656 boolean_t recursive = B_FALSE;
41715771 6657 boolean_t parsable = B_FALSE;
0b7936d5
AS		 6658
6659 int types = ZFS_TYPE_SNAPSHOT;
6660 holds_cbdata_t cb = { 0 };
6661
6662 int limit = 0;
ad60af8e 6663 int ret = 0;
0b7936d5
AS		 6664 int flags = 0;
6665
6666 /* check options */
41715771 6667 while ((c = getopt(argc, argv, "rHp")) != -1) {
0b7936d5
AS		 6668 switch (c) {
6669 case 'r':
6670 recursive = B_TRUE;
6671 break;
6672 case 'H':
6673 scripted = B_TRUE;
6674 break;
41715771
MT		 6675 case 'p':
6676 parsable = B_TRUE;
6677 break;
0b7936d5
AS		 6678 case '?':
6679 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6680 optopt);
6681 usage(B_FALSE);
6682 }
6683 }
6684
6685 if (recursive) {
6686 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
6687 flags |= ZFS_ITER_RECURSE;
6688 }
6689
6690 argc -= optind;
6691 argv += optind;
6692
6693 /* check number of arguments */
6694 if (argc < 1)
6695 usage(B_FALSE);
6696
55d36e47 6697 nvlist_t *nvl = fnvlist_alloc();
0b7936d5 6698
55d36e47 6699 for (int i = 0; i < argc; ++i) {
0b7936d5
AS		 6700 char *snapshot = argv[i];
6701 const char *delim;
6702 const char *snapname;
6703
6704 delim = strchr(snapshot, '@');
6705 if (delim == NULL) {
6706 (void) fprintf(stderr,
6707 gettext("'%s' is not a snapshot\n"), snapshot);
55d36e47 6708 errors = B_TRUE;
0b7936d5
AS		 6709 continue;
6710 }
6711 snapname = delim + 1;
6712 if (recursive)
6713 snapshot[delim - snapshot] = '\0';
6714
6715 cb.cb_recursive = recursive;
6716 cb.cb_snapname = snapname;
6717 cb.cb_nvlp = &nvl;
6718
6719 /*
6720 * 1. collect holds data, set format options
6721 */
2a70a090 6722 ret = zfs_for_each(1, argv + i, flags, types, NULL, NULL, limit,
0b7936d5
AS		 6723 holds_callback, &cb);
6724 if (ret != 0)
55d36e47 6725 errors = B_TRUE;
0b7936d5
AS		 6726 }
6727
6728 /*
6729 * 2. print holds data
6730 */
41715771
MT		 6731 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl,
6732 parsable);
0b7936d5
AS		 6733
6734 if (nvlist_empty(nvl))
42cb3819 6735 (void) fprintf(stderr, gettext("no datasets available\n"));
0b7936d5
AS		 6736
6737 nvlist_free(nvl);
6738
55d36e47 6739 return (errors);
0b7936d5
AS		 6740}
6741
34dc7c2f
BB		 6742#define CHECK_SPINNER 30
6743#define SPINNER_TIME 3 /* seconds */
a10d50f9
SR		 6744#define MOUNT_TIME 1 /* seconds */
6745
6746typedef struct get_all_state {
6747 boolean_t ga_verbose;
6748 get_all_cb_t *ga_cbp;
6749} get_all_state_t;
34dc7c2f
BB		 6750
6751static int
6752get_one_dataset(zfs_handle_t *zhp, void *data)
6753{
a926aab9 6754 static const char *const spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 6755 static int spinval = 0;
6756 static int spincheck = 0;
6757 static time_t last_spin_time = (time_t)0;
a10d50f9 6758 get_all_state_t *state = data;
34dc7c2f
BB		 6759 zfs_type_t type = zfs_get_type(zhp);
6760
a10d50f9 6761 if (state->ga_verbose) {
34dc7c2f
BB		 6762 if (--spincheck < 0) {
6763 time_t now = time(NULL);
6764 if (last_spin_time + SPINNER_TIME < now) {
428870ff 6765 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 6766 last_spin_time = now;
6767 }
6768 spincheck = CHECK_SPINNER;
6769 }
6770 }
6771
6772 /*
254255f7 6773 * Iterate over any nested datasets.
34dc7c2f 6774 */
baca06c2 6775 if (zfs_iter_filesystems_v2(zhp, 0, get_one_dataset, data) != 0) {
34dc7c2f
BB		 6776 zfs_close(zhp);
6777 return (1);
6778 }
6779
6780 /*
6781 * Skip any datasets whose type does not match.
6782 */
572e2857 6783 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 6784 zfs_close(zhp);
6785 return (0);
6786 }
a10d50f9
SR		 6787 libzfs_add_handle(state->ga_cbp, zhp);
6788 assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc);
34dc7c2f
BB		 6789
6790 return (0);
6791}
6792
6793static void
a10d50f9 6794get_all_datasets(get_all_cb_t *cbp, boolean_t verbose)
34dc7c2f 6795{
a10d50f9
SR		 6796 get_all_state_t state = {
6797 .ga_verbose = verbose,
6798 .ga_cbp = cbp
6799 };
34dc7c2f 6800
428870ff
BB		 6801 if (verbose)
6802 set_progress_header(gettext("Reading ZFS config"));
a10d50f9 6803 (void) zfs_iter_root(g_zfs, get_one_dataset, &state);
34dc7c2f 6804
428870ff
BB		 6805 if (verbose)
6806 finish_progress(gettext("done."));
34dc7c2f
BB		 6807}
6808
34dc7c2f
BB		 6809/*
6810 * Generic callback for sharing or mounting filesystems. Because the code is so
6811 * similar, we have a common function with an extra parameter to determine which
6812 * mode we are using.
6813 */
a10d50f9
SR		 6814typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t;
6815
6816typedef struct share_mount_state {
6817 share_mount_op_t sm_op;
6818 boolean_t sm_verbose;
6819 int sm_flags;
6820 char *sm_options;
b4d9a82f 6821 enum sa_protocol sm_proto; /* only valid for OP_SHARE */
a10d50f9
SR		 6822 pthread_mutex_t sm_lock; /* protects the remaining fields */
6823 uint_t sm_total; /* number of filesystems to process */
6824 uint_t sm_done; /* number of filesystems processed */
6825 int sm_status; /* -1 if any of the share/mount operations failed */
6826} share_mount_state_t;
34dc7c2f
BB		 6827
6828/*
6829 * Share or mount a dataset.
6830 */
6831static int
b4d9a82f 6832share_mount_one(zfs_handle_t *zhp, int op, int flags, enum sa_protocol protocol,
34dc7c2f
BB		 6833 boolean_t explicit, const char *options)
6834{
6835 char mountpoint[ZFS_MAXPROPLEN];
6836 char shareopts[ZFS_MAXPROPLEN];
6837 char smbshareopts[ZFS_MAXPROPLEN];
6838 const char *cmdname = op == OP_SHARE ? "share" : "mount";
6839 struct mnttab mnt;
6840 uint64_t zoned, canmount;
34dc7c2f
BB		 6841 boolean_t shared_nfs, shared_smb;
6842
572e2857 6843 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 6844
572e2857
BB		 6845 /*
6846 * Check to make sure we can mount/share this dataset. If we
6847 * are in the global zone and the filesystem is exported to a
6848 * local zone, or if we are in a local zone and the
6849 * filesystem is not exported, then it is an error.
6850 */
6851 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 6852
572e2857
BB		 6853 if (zoned && getzoneid() == GLOBAL_ZONEID) {
6854 if (!explicit)
6855 return (0);
34dc7c2f 6856
572e2857
BB		 6857 (void) fprintf(stderr, gettext("cannot %s '%s': "
6858 "dataset is exported to a local zone\n"), cmdname,
6859 zfs_get_name(zhp));
6860 return (1);
34dc7c2f 6861
572e2857
BB		 6862 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
6863 if (!explicit)
6864 return (0);
34dc7c2f 6865
572e2857
BB		 6866 (void) fprintf(stderr, gettext("cannot %s '%s': "
6867 "permission denied\n"), cmdname,
6868 zfs_get_name(zhp));
6869 return (1);
6870 }
34dc7c2f 6871
572e2857
BB		 6872 /*
6873 * Ignore any filesystems which don't apply to us. This
6874 * includes those with a legacy mountpoint, or those with
6875 * legacy share options.
6876 */
6877 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
6878 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
6879 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
6880 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
6881 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
6882 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
6883
6884 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
6885 strcmp(smbshareopts, "off") == 0) {
6886 if (!explicit)
6887 return (0);
34dc7c2f 6888
572e2857
BB		 6889 (void) fprintf(stderr, gettext("cannot share '%s': "
6890 "legacy share\n"), zfs_get_name(zhp));
76d04993
RM		 6891 (void) fprintf(stderr, gettext("use exports(5) or "
6892 "smb.conf(5) to share this filesystem, or set "
6893 "the sharenfs or sharesmb property\n"));
572e2857
BB		 6894 return (1);
6895 }
34dc7c2f 6896
572e2857
BB		 6897 /*
6898 * We cannot share or mount legacy filesystems. If the
6899 * shareopts is non-legacy but the mountpoint is legacy, we
6900 * treat it as a legacy share.
6901 */
6902 if (strcmp(mountpoint, "legacy") == 0) {
6903 if (!explicit)
6904 return (0);
34dc7c2f 6905
572e2857
BB		 6906 (void) fprintf(stderr, gettext("cannot %s '%s': "
6907 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
76d04993 6908 (void) fprintf(stderr, gettext("use %s(8) to "
572e2857
BB		 6909 "%s this filesystem\n"), cmdname, cmdname);
6910 return (1);
6911 }
34dc7c2f 6912
572e2857
BB		 6913 if (strcmp(mountpoint, "none") == 0) {
6914 if (!explicit)
6915 return (0);
34dc7c2f 6916
572e2857
BB		 6917 (void) fprintf(stderr, gettext("cannot %s '%s': no "
6918 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
6919 return (1);
6920 }
34dc7c2f 6921
572e2857
BB		 6922 /*
6923 * canmount explicit outcome
6924 * on no pass through
6925 * on yes pass through
6926 * off no return 0
6927 * off yes display error, return 1
6928 * noauto no return 0
6929 * noauto yes pass through
6930 */
6931 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
6932 if (canmount == ZFS_CANMOUNT_OFF) {
6933 if (!explicit)
6934 return (0);
6935
6936 (void) fprintf(stderr, gettext("cannot %s '%s': "
6937 "'canmount' property is set to 'off'\n"), cmdname,
6938 zfs_get_name(zhp));
6939 return (1);
6940 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
53c9d1d9
GW		 6941 /*
6942 * When performing a 'zfs mount -a', we skip any mounts for
6943 * datasets that have 'noauto' set. Sharing a dataset with
6944 * 'noauto' set is only allowed if it's mounted.
6945 */
6946 if (op == OP_MOUNT)
6947 return (0);
7bba1d40
DB		 6948 if (op == OP_SHARE && !zfs_is_mounted(zhp, NULL)) {
6949 /* also purge it from existing exports */
b4d9a82f 6950 zfs_unshare(zhp, mountpoint, NULL);
53c9d1d9 6951 return (0);
7bba1d40 6952 }
572e2857
BB		 6953 }
6954
1bf9a552
TC		 6955 /*
6956 * If this filesystem is encrypted and does not have
6957 * a loaded key, we can not mount it.
6958 */
6959 if ((flags & MS_CRYPT) == 0 &&
6960 zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF &&
6961 zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) ==
6962 ZFS_KEYSTATUS_UNAVAILABLE) {
6963 if (!explicit)
6964 return (0);
6965
6966 (void) fprintf(stderr, gettext("cannot %s '%s': "
6967 "encryption key not loaded\n"), cmdname, zfs_get_name(zhp));
6968 return (1);
6969 }
6970
47dfff3b
MA		 6971 /*
6972 * If this filesystem is inconsistent and has a receive resume
6973 * token, we can not mount it.
6974 */
6975 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) &&
6976 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
6977 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) {
6978 if (!explicit)
6979 return (0);
6980
6981 (void) fprintf(stderr, gettext("cannot %s '%s': "
6982 "Contains partially-completed state from "
c03f0470 6983 "\"zfs receive -s\", which can be resumed with "
47dfff3b
MA		 6984 "\"zfs send -t\"\n"),
6985 cmdname, zfs_get_name(zhp));
6986 return (1);
6987 }
6988
30af21b0
PD		 6989 if (zfs_prop_get_int(zhp, ZFS_PROP_REDACTED) && !(flags & MS_FORCE)) {
6990 if (!explicit)
6991 return (0);
6992
6993 (void) fprintf(stderr, gettext("cannot %s '%s': "
6994 "Dataset is not complete, was created by receiving "
6995 "a redacted zfs send stream.\n"), cmdname,
6996 zfs_get_name(zhp));
6997 return (1);
6998 }
6999
572e2857
BB		 7000 /*
7001 * At this point, we have verified that the mountpoint and/or
7002 * shareopts are appropriate for auto management. If the
7003 * filesystem is already mounted or shared, return (failing
7004 * for explicit requests); otherwise mount or share the
7005 * filesystem.
7006 */
7007 switch (op) {
b4d9a82f
AZ		 7008 case OP_SHARE: {
7009 enum sa_protocol prot[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL};
7010 shared_nfs = zfs_is_shared(zhp, NULL, prot);
7011 *prot = SA_PROTOCOL_SMB;
7012 shared_smb = zfs_is_shared(zhp, NULL, prot);
572e2857 7013
149e873a 7014 if ((shared_nfs && shared_smb) ||
648a09ad
BB		 7015 (shared_nfs && strcmp(shareopts, "on") == 0 &&
7016 strcmp(smbshareopts, "off") == 0) ||
7017 (shared_smb && strcmp(smbshareopts, "on") == 0 &&
7018 strcmp(shareopts, "off") == 0)) {
34dc7c2f
BB		 7019 if (!explicit)
7020 return (0);
7021
572e2857
BB		 7022 (void) fprintf(stderr, gettext("cannot share "
7023 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 7024 zfs_get_name(zhp));
7025 return (1);
34dc7c2f
BB		 7026 }
7027
572e2857 7028 if (!zfs_is_mounted(zhp, NULL) &&
b5256303 7029 zfs_mount(zhp, NULL, flags) != 0)
572e2857 7030 return (1);
34dc7c2f 7031
b4d9a82f
AZ		 7032 *prot = protocol;
7033 if (zfs_share(zhp, protocol == SA_NO_PROTOCOL ? NULL : prot))
572e2857 7034 return (1);
34dc7c2f 7035
b4d9a82f 7036 }
572e2857 7037 break;
34dc7c2f 7038
572e2857 7039 case OP_MOUNT:
a926aab9 7040 mnt.mnt_mntopts = (char *)(options ?: "");
34dc7c2f 7041
572e2857
BB		 7042 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
7043 zfs_is_mounted(zhp, NULL)) {
7044 if (!explicit)
7045 return (0);
34dc7c2f 7046
572e2857
BB		 7047 (void) fprintf(stderr, gettext("cannot mount "
7048 "'%s': filesystem already mounted\n"),
7049 zfs_get_name(zhp));
7050 return (1);
34dc7c2f 7051 }
572e2857 7052
d1b84da8 7053 if (zfs_mount(zhp, options, flags) != 0)
572e2857
BB		 7054 return (1);
7055 break;
7056 }
34dc7c2f 7057
34dc7c2f
BB		 7058 return (0);
7059}
7060
7061/*
7062 * Reports progress in the form "(current/total)". Not thread-safe.
7063 */
7064static void
7065report_mount_progress(int current, int total)
7066{
428870ff 7067 static time_t last_progress_time = 0;
34dc7c2f 7068 time_t now = time(NULL);
428870ff 7069 char info[32];
34dc7c2f 7070
34dc7c2f
BB		 7071 /* display header if we're here for the first time */
7072 if (current == 1) {
428870ff 7073 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 7074 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
7075 /* too soon to report again */
7076 return;
7077 }
7078
7079 last_progress_time = now;
7080
428870ff 7081 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 7082
428870ff
BB		 7083 if (current == total)
7084 finish_progress(info);
7085 else
7086 update_progress(info);
34dc7c2f
BB		 7087}
7088
a10d50f9
SR		 7089/*
7090 * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and
7091 * updates the progress meter.
7092 */
7093static int
7094share_mount_one_cb(zfs_handle_t *zhp, void *arg)
7095{
7096 share_mount_state_t *sms = arg;
7097 int ret;
7098
7099 ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto,
7100 B_FALSE, sms->sm_options);
7101
7102 pthread_mutex_lock(&sms->sm_lock);
7103 if (ret != 0)
7104 sms->sm_status = ret;
7105 sms->sm_done++;
7106 if (sms->sm_verbose)
7107 report_mount_progress(sms->sm_done, sms->sm_total);
7108 pthread_mutex_unlock(&sms->sm_lock);
7109 return (ret);
7110}
7111
34dc7c2f
BB		 7112static void
7113append_options(char *mntopts, char *newopts)
7114{
7115 int len = strlen(mntopts);
7116
7117 /* original length plus new string to append plus 1 for the comma */
7118 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
7119 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 7120 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 7121 "-o", MNT_LINE_MAX);
7122 usage(B_FALSE);
7123 }
7124
7125 if (*mntopts)
7126 mntopts[len++] = ',';
7127
7128 (void) strcpy(&mntopts[len], newopts);
7129}
7130
b4d9a82f
AZ		 7131static enum sa_protocol
7132sa_protocol_decode(const char *protocol)
7133{
7134 for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i)
7135 if (strcmp(protocol, sa_protocol_names[i]) == 0)
7136 return (i);
7137
7138 (void) fputs(gettext("share type must be one of: "), stderr);
7139 for (enum sa_protocol i = 0;
7140 i < ARRAY_SIZE(sa_protocol_names); ++i)
7141 (void) fprintf(stderr, "%s%s",
7142 i != 0 ? ", " : "", sa_protocol_names[i]);
7143 (void) fputc('\n', stderr);
7144 usage(B_FALSE);
7145}
7146
34dc7c2f
BB		 7147static int
7148share_mount(int op, int argc, char **argv)
7149{
7150 int do_all = 0;
7151 boolean_t verbose = B_FALSE;
7152 int c, ret = 0;
7153 char *options = NULL;
572e2857 7154 int flags = 0;
34dc7c2f
BB		 7155
7156 /* check options */
30af21b0 7157 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":alvo:Of" : "al"))
34dc7c2f
BB		 7158 != -1) {
7159 switch (c) {
7160 case 'a':
7161 do_all = 1;
7162 break;
7163 case 'v':
7164 verbose = B_TRUE;
7165 break;
b5256303
TC		 7166 case 'l':
7167 flags |= MS_CRYPT;
7168 break;
34dc7c2f
BB		 7169 case 'o':
7170 if (*optarg == '\0') {
7171 (void) fprintf(stderr, gettext("empty mount "
7172 "options (-o) specified\n"));
7173 usage(B_FALSE);
7174 }
7175
7176 if (options == NULL)
7177 options = safe_malloc(MNT_LINE_MAX + 1);
7178
7179 /* option validation is done later */
7180 append_options(options, optarg);
7181 break;
e18be9a6
SC		 7182 case 'O':
7183 flags |= MS_OVERLAY;
7184 break;
30af21b0
PD		 7185 case 'f':
7186 flags |= MS_FORCE;
7187 break;
34dc7c2f
BB		 7188 case ':':
7189 (void) fprintf(stderr, gettext("missing argument for "
7190 "'%c' option\n"), optopt);
7191 usage(B_FALSE);
7192 break;
7193 case '?':
7194 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7195 optopt);
7196 usage(B_FALSE);
7197 }
7198 }
7199
7200 argc -= optind;
7201 argv += optind;
7202
7203 /* check number of arguments */
7204 if (do_all) {
b4d9a82f 7205 enum sa_protocol protocol = SA_NO_PROTOCOL;
34dc7c2f 7206
572e2857 7207 if (op == OP_SHARE && argc > 0) {
b4d9a82f 7208 protocol = sa_protocol_decode(argv[0]);
34dc7c2f
BB		 7209 argc--;
7210 argv++;
34dc7c2f
BB		 7211 }
7212
7213 if (argc != 0) {
7214 (void) fprintf(stderr, gettext("too many arguments\n"));
7215 usage(B_FALSE);
7216 }
7217
428870ff 7218 start_progress_timer();
a10d50f9
SR		 7219 get_all_cb_t cb = { 0 };
7220 get_all_datasets(&cb, verbose);
34dc7c2f 7221
a10d50f9 7222 if (cb.cb_used == 0) {
53352772 7223 free(options);
34dc7c2f 7224 return (0);
e2c292bb 7225 }
34dc7c2f 7226
a10d50f9
SR		 7227 share_mount_state_t share_mount_state = { 0 };
7228 share_mount_state.sm_op = op;
7229 share_mount_state.sm_verbose = verbose;
7230 share_mount_state.sm_flags = flags;
7231 share_mount_state.sm_options = options;
7232 share_mount_state.sm_proto = protocol;
7233 share_mount_state.sm_total = cb.cb_used;
7234 pthread_mutex_init(&share_mount_state.sm_lock, NULL);
34dc7c2f 7235
ede037cd
DB		 7236 /* For a 'zfs share -a' operation start with a clean slate. */
7237 zfs_truncate_shares(NULL);
7238
a10d50f9
SR		 7239 /*
7240 * libshare isn't mt-safe, so only do the operation in parallel
8e3c3ed1
TC		 7241 * if we're mounting. Additionally, the key-loading option must
7242 * be serialized so that we can prompt the user for their keys
7243 * in a consistent manner.
a10d50f9
SR		 7244 */
7245 zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used,
8e3c3ed1
TC		 7246 share_mount_one_cb, &share_mount_state,
7247 op == OP_MOUNT && !(flags & MS_CRYPT));
b4d9a82f 7248 zfs_commit_shares(NULL);
c15d36c6 7249
a10d50f9 7250 ret = share_mount_state.sm_status;
34dc7c2f 7251
a10d50f9
SR		 7252 for (int i = 0; i < cb.cb_used; i++)
7253 zfs_close(cb.cb_handles[i]);
7254 free(cb.cb_handles);
34dc7c2f 7255 } else if (argc == 0) {
53352772 7256 FILE *mnttab;
34dc7c2f
BB		 7257 struct mnttab entry;
7258
7259 if ((op == OP_SHARE) || (options != NULL)) {
7260 (void) fprintf(stderr, gettext("missing filesystem "
7261 "argument (specify -a for all)\n"));
7262 usage(B_FALSE);
7263 }
7264
7265 /*
79251738 7266 * When mount is given no arguments, go through
7267 * /proc/self/mounts and display any active ZFS mounts.
7268 * We hide any snapshots, since they are controlled
7269 * automatically.
34dc7c2f 7270 */
cbca6076 7271
53352772
AZ		 7272 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7273 free(options);
cbca6076 7274 return (ENOENT);
e2c292bb 7275 }
cbca6076 7276
53352772 7277 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7278 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
7279 strchr(entry.mnt_special, '@') != NULL)
7280 continue;
7281
7282 (void) printf("%-30s %s\n", entry.mnt_special,
7283 entry.mnt_mountp);
7284 }
7285
53352772 7286 (void) fclose(mnttab);
34dc7c2f
BB		 7287 } else {
7288 zfs_handle_t *zhp;
7289
34dc7c2f
BB		 7290 if (argc > 1) {
7291 (void) fprintf(stderr,
7292 gettext("too many arguments\n"));
7293 usage(B_FALSE);
7294 }
7295
572e2857
BB		 7296 if ((zhp = zfs_open(g_zfs, argv[0],
7297 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 7298 ret = 1;
7299 } else {
b4d9a82f
AZ		 7300 ret = share_mount_one(zhp, op, flags, SA_NO_PROTOCOL,
7301 B_TRUE, options);
7302 zfs_commit_shares(NULL);
34dc7c2f
BB		 7303 zfs_close(zhp);
7304 }
7305 }
7306
53352772 7307 free(options);
34dc7c2f
BB		 7308 return (ret);
7309}
7310
7311/*
b4d9a82f 7312 * zfs mount -a
34dc7c2f
BB		 7313 * zfs mount filesystem
7314 *
7315 * Mount all filesystems, or mount the given filesystem.
7316 */
7317static int
7318zfs_do_mount(int argc, char **argv)
7319{
7320 return (share_mount(OP_MOUNT, argc, argv));
7321}
7322
7323/*
428870ff 7324 * zfs share -a [nfs | smb]
34dc7c2f
BB		 7325 * zfs share filesystem
7326 *
7327 * Share all filesystems, or share the given filesystem.
7328 */
7329static int
7330zfs_do_share(int argc, char **argv)
7331{
7332 return (share_mount(OP_SHARE, argc, argv));
7333}
7334
7335typedef struct unshare_unmount_node {
7336 zfs_handle_t *un_zhp;
7337 char *un_mountp;
7338 uu_avl_node_t un_avlnode;
7339} unshare_unmount_node_t;
7340
34dc7c2f
BB		 7341static int
7342unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
7343{
f291fa65 7344 (void) unused;
34dc7c2f
BB		 7345 const unshare_unmount_node_t *l = larg;
7346 const unshare_unmount_node_t *r = rarg;
7347
7348 return (strcmp(l->un_mountp, r->un_mountp));
7349}
7350
7351/*
7352 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
46df7e6c
JS		 7353 * absolute path, find the entry /proc/self/mounts, verify that it's a
7354 * ZFS filesystem, and unmount it appropriately.
34dc7c2f
BB		 7355 */
7356static int
7357unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
7358{
7359 zfs_handle_t *zhp;
ad60af8e 7360 int ret = 0;
34dc7c2f
BB		 7361 struct stat64 statbuf;
7362 struct extmnttab entry;
7363 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
7364 ino_t path_inode;
7365
34dc7c2f
BB		 7366 /*
7367 * Search for the given (major,minor) pair in the mount table.
7368 */
cbca6076 7369
d31277ab 7370 if (getextmntent(path, &entry, &statbuf) != 0) {
34dc7c2f
BB		 7371 if (op == OP_SHARE) {
7372 (void) fprintf(stderr, gettext("cannot %s '%s': not "
7373 "currently mounted\n"), cmdname, path);
7374 return (1);
7375 }
79251738 7376 (void) fprintf(stderr, gettext("warning: %s not in"
7377 "/proc/self/mounts\n"), path);
34dc7c2f
BB		 7378 if ((ret = umount2(path, flags)) != 0)
7379 (void) fprintf(stderr, gettext("%s: %s\n"), path,
7380 strerror(errno));
7381 return (ret != 0);
7382 }
d31277ab 7383 path_inode = statbuf.st_ino;
34dc7c2f
BB		 7384
7385 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
7386 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
7387 "filesystem\n"), cmdname, path);
7388 return (1);
7389 }
7390
7391 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7392 ZFS_TYPE_FILESYSTEM)) == NULL)
7393 return (1);
7394
34dc7c2f 7395 ret = 1;
b128c09f
BB		 7396 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
7397 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
7398 cmdname, path, strerror(errno));
7399 goto out;
7400 } else if (statbuf.st_ino != path_inode) {
7401 (void) fprintf(stderr, gettext("cannot "
7402 "%s '%s': not a mountpoint\n"), cmdname, path);
7403 goto out;
7404 }
7405
34dc7c2f
BB		 7406 if (op == OP_SHARE) {
7407 char nfs_mnt_prop[ZFS_MAXPROPLEN];
7408 char smbshare_prop[ZFS_MAXPROPLEN];
7409
7410 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
7411 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
7412 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
7413 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
7414
7415 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7416 strcmp(smbshare_prop, "off") == 0) {
7417 (void) fprintf(stderr, gettext("cannot unshare "
7418 "'%s': legacy share\n"), path);
9a616b5d
BB		 7419 (void) fprintf(stderr, gettext("use exportfs(8) "
7420 "or smbcontrol(1) to unshare this filesystem\n"));
b4d9a82f 7421 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
34dc7c2f
BB		 7422 (void) fprintf(stderr, gettext("cannot unshare '%s': "
7423 "not currently shared\n"), path);
7424 } else {
b4d9a82f
AZ		 7425 ret = zfs_unshare(zhp, path, NULL);
7426 zfs_commit_shares(NULL);
34dc7c2f
BB		 7427 }
7428 } else {
7429 char mtpt_prop[ZFS_MAXPROPLEN];
7430
7431 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
7432 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
7433
b128c09f 7434 if (is_manual) {
34dc7c2f
BB		 7435 ret = zfs_unmount(zhp, NULL, flags);
7436 } else if (strcmp(mtpt_prop, "legacy") == 0) {
7437 (void) fprintf(stderr, gettext("cannot unmount "
7438 "'%s': legacy mountpoint\n"),
7439 zfs_get_name(zhp));
9a616b5d 7440 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 7441 "to unmount this filesystem\n"));
7442 } else {
7443 ret = zfs_unmountall(zhp, flags);
7444 }
7445 }
7446
b128c09f 7447out:
34dc7c2f
BB		 7448 zfs_close(zhp);
7449
7450 return (ret != 0);
7451}
7452
7453/*
7454 * Generic callback for unsharing or unmounting a filesystem.
7455 */
7456static int
7457unshare_unmount(int op, int argc, char **argv)
7458{
7459 int do_all = 0;
7460 int flags = 0;
7461 int ret = 0;
572e2857 7462 int c;
34dc7c2f 7463 zfs_handle_t *zhp;
428870ff 7464 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 7465 char sharesmb[ZFS_MAXPROPLEN];
7466
7467 /* check options */
765d1f06 7468 while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "afu")) != -1) {
34dc7c2f
BB		 7469 switch (c) {
7470 case 'a':
7471 do_all = 1;
7472 break;
7473 case 'f':
765d1f06
TC		 7474 flags |= MS_FORCE;
7475 break;
7476 case 'u':
7477 flags |= MS_CRYPT;
34dc7c2f 7478 break;
2f71caf2 7479 case ':':
7480 (void) fprintf(stderr, gettext("missing argument for "
7481 "'%c' option\n"), optopt);
7482 usage(B_FALSE);
7483 break;
34dc7c2f
BB		 7484 case '?':
7485 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7486 optopt);
7487 usage(B_FALSE);
7488 }
7489 }
7490
7491 argc -= optind;
7492 argv += optind;
7493
7494 if (do_all) {
7495 /*
7496 * We could make use of zfs_for_each() to walk all datasets in
7497 * the system, but this would be very inefficient, especially
79251738 7498 * since we would have to linearly search /proc/self/mounts for
7499 * each one. Instead, do one pass through /proc/self/mounts
7500 * looking for zfs entries and call zfs_unmount() for each one.
34dc7c2f
BB		 7501 *
7502 * Things get a little tricky if the administrator has created
7503 * mountpoints beneath other ZFS filesystems. In this case, we
7504 * have to unmount the deepest filesystems first. To accomplish
7505 * this, we place all the mountpoints in an AVL tree sorted by
7506 * the special type (dataset name), and walk the result in
7507 * reverse to make sure to get any snapshots first.
7508 */
53352772 7509 FILE *mnttab;
34dc7c2f
BB		 7510 struct mnttab entry;
7511 uu_avl_pool_t *pool;
149e873a 7512 uu_avl_t *tree = NULL;
34dc7c2f
BB		 7513 unshare_unmount_node_t *node;
7514 uu_avl_index_t idx;
7515 uu_avl_walk_t *walk;
b4d9a82f
AZ		 7516 enum sa_protocol *protocol = NULL,
7517 single_protocol[] = {SA_NO_PROTOCOL, SA_NO_PROTOCOL};
2f71caf2 7518
7519 if (op == OP_SHARE && argc > 0) {
b4d9a82f
AZ		 7520 *single_protocol = sa_protocol_decode(argv[0]);
7521 protocol = single_protocol;
2f71caf2 7522 argc--;
7523 argv++;
7524 }
34dc7c2f
BB		 7525
7526 if (argc != 0) {
7527 (void) fprintf(stderr, gettext("too many arguments\n"));
7528 usage(B_FALSE);
7529 }
7530
428870ff 7531 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 7532 sizeof (unshare_unmount_node_t),
7533 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 7534 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
7535 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
7536 nomem();
34dc7c2f 7537
ebe1d036
RY		 7538 if ((mnttab = fopen(MNTTAB, "re")) == NULL) {
7539 uu_avl_destroy(tree);
7540 uu_avl_pool_destroy(pool);
cbca6076 7541 return (ENOENT);
ebe1d036 7542 }
cbca6076 7543
53352772 7544 while (getmntent(mnttab, &entry) == 0) {
34dc7c2f
BB		 7545
7546 /* ignore non-ZFS entries */
7547 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
7548 continue;
7549
7550 /* ignore snapshots */
7551 if (strchr(entry.mnt_special, '@') != NULL)
7552 continue;
7553
7554 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
7555 ZFS_TYPE_FILESYSTEM)) == NULL) {
7556 ret = 1;
7557 continue;
7558 }
7559
d21d5b82
GDN		 7560 /*
7561 * Ignore datasets that are excluded/restricted by
7562 * parent pool name.
7563 */
7564 if (zpool_skip_pool(zfs_get_pool_name(zhp))) {
7565 zfs_close(zhp);
7566 continue;
7567 }
7568
34dc7c2f
BB		 7569 switch (op) {
7570 case OP_SHARE:
7571 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 7572 nfs_mnt_prop,
7573 sizeof (nfs_mnt_prop),
34dc7c2f 7574 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7575 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 7576 break;
7577 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 7578 nfs_mnt_prop,
7579 sizeof (nfs_mnt_prop),
34dc7c2f 7580 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7581 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 7582 continue;
7583 break;
7584 case OP_MOUNT:
7585 /* Ignore legacy mounts */
7586 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 7587 nfs_mnt_prop,
7588 sizeof (nfs_mnt_prop),
34dc7c2f 7589 NULL, NULL, 0, B_FALSE) == 0);
428870ff 7590 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 7591 continue;
7592 /* Ignore canmount=noauto mounts */
7593 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
7594 ZFS_CANMOUNT_NOAUTO)
7595 continue;
6954c22f 7596 break;
34dc7c2f
BB		 7597 default:
7598 break;
7599 }
7600
7601 node = safe_malloc(sizeof (unshare_unmount_node_t));
7602 node->un_zhp = zhp;
428870ff 7603 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 7604
7605 uu_avl_node_init(node, &node->un_avlnode, pool);
7606
7607 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
7608 uu_avl_insert(tree, node, idx);
7609 } else {
7610 zfs_close(node->un_zhp);
7611 free(node->un_mountp);
7612 free(node);
7613 }
7614 }
53352772 7615 (void) fclose(mnttab);
34dc7c2f
BB		 7616
7617 /*
7618 * Walk the AVL tree in reverse, unmounting each filesystem and
7619 * removing it from the AVL tree in the process.
7620 */
7621 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 7622 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
7623 nomem();
34dc7c2f
BB		 7624
7625 while ((node = uu_avl_walk_next(walk)) != NULL) {
4bc72196 7626 const char *mntarg = NULL;
34dc7c2f 7627
4bc72196 7628 uu_avl_remove(tree, node);
34dc7c2f
BB		 7629 switch (op) {
7630 case OP_SHARE:
b4d9a82f 7631 if (zfs_unshare(node->un_zhp,
2f71caf2 7632 node->un_mountp, protocol) != 0)
34dc7c2f
BB		 7633 ret = 1;
7634 break;
7635
7636 case OP_MOUNT:
7637 if (zfs_unmount(node->un_zhp,
4bc72196 7638 mntarg, flags) != 0)
34dc7c2f
BB		 7639 ret = 1;
7640 break;
7641 }
7642
7643 zfs_close(node->un_zhp);
7644 free(node->un_mountp);
7645 free(node);
7646 }
7647
c15d36c6
GW		 7648 if (op == OP_SHARE)
7649 zfs_commit_shares(protocol);
7650
34dc7c2f
BB		 7651 uu_avl_walk_end(walk);
7652 uu_avl_destroy(tree);
7653 uu_avl_pool_destroy(pool);
7654
34dc7c2f
BB		 7655 } else {
7656 if (argc != 1) {
7657 if (argc == 0)
7658 (void) fprintf(stderr,
7659 gettext("missing filesystem argument\n"));
7660 else
7661 (void) fprintf(stderr,
7662 gettext("too many arguments\n"));
7663 usage(B_FALSE);
7664 }
7665
7666 /*
7667 * We have an argument, but it may be a full path or a ZFS
7668 * filesystem. Pass full paths off to unmount_path() (shared by
7669 * manual_unmount), otherwise open the filesystem and pass to
7670 * zfs_unmount().
7671 */
7672 if (argv[0][0] == '/')
7673 return (unshare_unmount_path(op, argv[0],
7674 flags, B_FALSE));
7675
572e2857
BB		 7676 if ((zhp = zfs_open(g_zfs, argv[0],
7677 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 7678 return (1);
7679
572e2857
BB		 7680 verify(zfs_prop_get(zhp, op == OP_SHARE ?
7681 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
7682 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
7683 NULL, 0, B_FALSE) == 0);
34dc7c2f 7684
572e2857
BB		 7685 switch (op) {
7686 case OP_SHARE:
7687 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
7688 nfs_mnt_prop,
7689 sizeof (nfs_mnt_prop),
7690 NULL, NULL, 0, B_FALSE) == 0);
7691 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
7692 sharesmb, sizeof (sharesmb), NULL, NULL,
7693 0, B_FALSE) == 0);
7694
7695 if (strcmp(nfs_mnt_prop, "off") == 0 &&
7696 strcmp(sharesmb, "off") == 0) {
7697 (void) fprintf(stderr, gettext("cannot "
7698 "unshare '%s': legacy share\n"),
7699 zfs_get_name(zhp));
7700 (void) fprintf(stderr, gettext("use "
76d04993
RM		 7701 "exports(5) or smb.conf(5) to unshare "
7702 "this filesystem\n"));
572e2857 7703 ret = 1;
b4d9a82f 7704 } else if (!zfs_is_shared(zhp, NULL, NULL)) {
572e2857
BB		 7705 (void) fprintf(stderr, gettext("cannot "
7706 "unshare '%s': not currently "
7707 "shared\n"), zfs_get_name(zhp));
7708 ret = 1;
b4d9a82f 7709 } else if (zfs_unshareall(zhp, NULL) != 0) {
572e2857
BB		 7710 ret = 1;
7711 }
7712 break;
34dc7c2f 7713
572e2857
BB		 7714 case OP_MOUNT:
7715 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
7716 (void) fprintf(stderr, gettext("cannot "
7717 "unmount '%s': legacy "
7718 "mountpoint\n"), zfs_get_name(zhp));
7719 (void) fprintf(stderr, gettext("use "
76d04993 7720 "umount(8) to unmount this "
572e2857
BB		 7721 "filesystem\n"));
7722 ret = 1;
7723 } else if (!zfs_is_mounted(zhp, NULL)) {
7724 (void) fprintf(stderr, gettext("cannot "
7725 "unmount '%s': not currently "
7726 "mounted\n"),
7727 zfs_get_name(zhp));
7728 ret = 1;
7729 } else if (zfs_unmountall(zhp, flags) != 0) {
7730 ret = 1;
34dc7c2f 7731 }
572e2857 7732 break;
34dc7c2f
BB		 7733 }
7734
7735 zfs_close(zhp);
7736 }
7737
7738 return (ret);
7739}
7740
7741/*
765d1f06
TC		 7742 * zfs unmount [-fu] -a
7743 * zfs unmount [-fu] filesystem
34dc7c2f
BB		 7744 *
7745 * Unmount all filesystems, or a specific ZFS filesystem.
7746 */
7747static int
7748zfs_do_unmount(int argc, char **argv)
7749{
7750 return (unshare_unmount(OP_MOUNT, argc, argv));
7751}
7752
7753/*
7754 * zfs unshare -a
7755 * zfs unshare filesystem
7756 *
7757 * Unshare all filesystems, or a specific ZFS filesystem.
7758 */
7759static int
7760zfs_do_unshare(int argc, char **argv)
7761{
7762 return (unshare_unmount(OP_SHARE, argc, argv));
7763}
7764
34dc7c2f 7765static int
a926aab9 7766find_command_idx(const char *command, int *idx)
34dc7c2f
BB		 7767{
7768 int i;
7769
7770 for (i = 0; i < NCOMMAND; i++) {
7771 if (command_table[i].name == NULL)
7772 continue;
7773
7774 if (strcmp(command, command_table[i].name) == 0) {
7775 *idx = i;
7776 return (0);
7777 }
7778 }
7779 return (1);
7780}
7781
572e2857
BB		 7782static int
7783zfs_do_diff(int argc, char **argv)
7784{
7785 zfs_handle_t *zhp;
7786 int flags = 0;
7787 char *tosnap = NULL;
7788 char *fromsnap = NULL;
7789 char *atp, *copy;
ad60af8e 7790 int err = 0;
572e2857 7791 int c;
2a15c00f 7792 struct sigaction sa;
572e2857 7793
344bbc82 7794 while ((c = getopt(argc, argv, "FHth")) != -1) {
572e2857
BB		 7795 switch (c) {
7796 case 'F':
7797 flags |= ZFS_DIFF_CLASSIFY;
7798 break;
7799 case 'H':
7800 flags |= ZFS_DIFF_PARSEABLE;
7801 break;
7802 case 't':
7803 flags |= ZFS_DIFF_TIMESTAMP;
7804 break;
344bbc82
AZ		 7805 case 'h':
7806 flags |= ZFS_DIFF_NO_MANGLE;
7807 break;
572e2857
BB		 7808 default:
7809 (void) fprintf(stderr,
7810 gettext("invalid option '%c'\n"), optopt);
7811 usage(B_FALSE);
7812 }
7813 }
7814
7815 argc -= optind;
7816 argv += optind;
7817
7818 if (argc < 1) {
7819 (void) fprintf(stderr,
a1d477c2 7820 gettext("must provide at least one snapshot name\n"));
572e2857
BB		 7821 usage(B_FALSE);
7822 }
7823
7824 if (argc > 2) {
7825 (void) fprintf(stderr, gettext("too many arguments\n"));
7826 usage(B_FALSE);
7827 }
7828
7829 fromsnap = argv[0];
7830 tosnap = (argc == 2) ? argv[1] : NULL;
7831
7832 copy = NULL;
7833 if (*fromsnap != '@')
7834 copy = strdup(fromsnap);
7835 else if (tosnap)
7836 copy = strdup(tosnap);
7837 if (copy == NULL)
7838 usage(B_FALSE);
7839
648a09ad 7840 if ((atp = strchr(copy, '@')) != NULL)
572e2857
BB		 7841 *atp = '\0';
7842
9ec0403d 7843 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) {
7844 free(copy);
572e2857 7845 return (1);
9ec0403d 7846 }
572e2857
BB		 7847 free(copy);
7848
7849 /*
7850 * Ignore SIGPIPE so that the library can give us
7851 * information on any failure
7852 */
2a15c00f
TK		 7853 if (sigemptyset(&sa.sa_mask) == -1) {
7854 err = errno;
7855 goto out;
7856 }
7857 sa.sa_flags = 0;
7858 sa.sa_handler = SIG_IGN;
7859 if (sigaction(SIGPIPE, &sa, NULL) == -1) {
7860 err = errno;
7861 goto out;
7862 }
572e2857
BB		 7863
7864 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
2a15c00f 7865out:
572e2857
BB		 7866 zfs_close(zhp);
7867
7868 return (err != 0);
7869}
7870
da536844 7871/*
a73f361f 7872 * zfs bookmark <fs@source>|<fs#source> <fs#bookmark>
da536844 7873 *
a73f361f
CS		 7874 * Creates a bookmark with the given name from the source snapshot
7875 * or creates a copy of an existing source bookmark.
da536844
MA		 7876 */
7877static int
7878zfs_do_bookmark(int argc, char **argv)
7879{
a73f361f
CS		 7880 char *source, *bookname;
7881 char expbuf[ZFS_MAX_DATASET_NAME_LEN];
7882 int source_type;
da536844
MA		 7883 nvlist_t *nvl;
7884 int ret = 0;
7885 int c;
7886
7887 /* check options */
7888 while ((c = getopt(argc, argv, "")) != -1) {
7889 switch (c) {
7890 case '?':
7891 (void) fprintf(stderr,
7892 gettext("invalid option '%c'\n"), optopt);
7893 goto usage;
7894 }
7895 }
7896
7897 argc -= optind;
7898 argv += optind;
7899
7900 /* check number of arguments */
7901 if (argc < 1) {
a73f361f 7902 (void) fprintf(stderr, gettext("missing source argument\n"));
da536844
MA		 7903 goto usage;
7904 }
7905 if (argc < 2) {
7906 (void) fprintf(stderr, gettext("missing bookmark argument\n"));
7907 goto usage;
7908 }
7909
a73f361f
CS		 7910 source = argv[0];
7911 bookname = argv[1];
7912
7913 if (strchr(source, '@') == NULL && strchr(source, '#') == NULL) {
4af6873a 7914 (void) fprintf(stderr,
a73f361f
CS		 7915 gettext("invalid source name '%s': "
7916 "must contain a '@' or '#'\n"), source);
4af6873a 7917 goto usage;
7918 }
a73f361f 7919 if (strchr(bookname, '#') == NULL) {
da536844 7920 (void) fprintf(stderr,
587e228a 7921 gettext("invalid bookmark name '%s': "
a73f361f 7922 "must contain a '#'\n"), bookname);
da536844
MA		 7923 goto usage;
7924 }
7925
a73f361f
CS		 7926 /*
7927 * expand source or bookname to full path:
7928 * one of them may be specified as short name
7929 */
7930 {
7931 char **expand;
7932 char *source_short, *bookname_short;
7933 source_short = strpbrk(source, "@#");
7934 bookname_short = strpbrk(bookname, "#");
7935 if (source_short == source &&
7936 bookname_short == bookname) {
7937 (void) fprintf(stderr, gettext(
7938 "either source or bookmark must be specified as "
7939 "full dataset paths"));
7940 goto usage;
7941 } else if (source_short != source &&
7942 bookname_short != bookname) {
7943 expand = NULL;
7944 } else if (source_short != source) {
7945 strlcpy(expbuf, source, sizeof (expbuf));
7946 expand = &bookname;
7947 } else if (bookname_short != bookname) {
7948 strlcpy(expbuf, bookname, sizeof (expbuf));
7949 expand = &source;
7950 } else {
7951 abort();
7952 }
7953 if (expand != NULL) {
7954 *strpbrk(expbuf, "@#") = '\0'; /* dataset name in buf */
7955 (void) strlcat(expbuf, *expand, sizeof (expbuf));
7956 *expand = expbuf;
7957 }
da536844 7958 }
a73f361f
CS		 7959
7960 /* determine source type */
7961 switch (*strpbrk(source, "@#")) {
7962 case '@': source_type = ZFS_TYPE_SNAPSHOT; break;
7963 case '#': source_type = ZFS_TYPE_BOOKMARK; break;
7964 default: abort();
587e228a 7965 }
7966
a73f361f
CS		 7967 /* test the source exists */
7968 zfs_handle_t *zhp;
7969 zhp = zfs_open(g_zfs, source, source_type);
da536844
MA		 7970 if (zhp == NULL)
7971 goto usage;
7972 zfs_close(zhp);
7973
da536844 7974 nvl = fnvlist_alloc();
a73f361f 7975 fnvlist_add_string(nvl, bookname, source);
da536844
MA		 7976 ret = lzc_bookmark(nvl, NULL);
7977 fnvlist_free(nvl);
7978
7979 if (ret != 0) {
b83a0e2d 7980 const char *err_msg = NULL;
da536844
MA		 7981 char errbuf[1024];
7982
7983 (void) snprintf(errbuf, sizeof (errbuf),
7984 dgettext(TEXT_DOMAIN,
587e228a 7985 "cannot create bookmark '%s'"), bookname);
da536844
MA		 7986
7987 switch (ret) {
7988 case EXDEV:
7989 err_msg = "bookmark is in a different pool";
7990 break;
a73f361f
CS		 7991 case ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR:
7992 err_msg = "source is not an ancestor of the "
7993 "new bookmark's dataset";
7994 break;
da536844
MA		 7995 case EEXIST:
7996 err_msg = "bookmark exists";
7997 break;
7998 case EINVAL:
7999 err_msg = "invalid argument";
8000 break;
8001 case ENOTSUP:
8002 err_msg = "bookmark feature not enabled";
8003 break;
3d45fdd6
MA		 8004 case ENOSPC:
8005 err_msg = "out of space";
8006 break;
587e228a 8007 case ENOENT:
8008 err_msg = "dataset does not exist";
8009 break;
da536844 8010 default:
b83a0e2d 8011 (void) zfs_standard_error(g_zfs, ret, errbuf);
da536844
MA		 8012 break;
8013 }
b83a0e2d
DB		 8014 if (err_msg != NULL) {
8015 (void) fprintf(stderr, "%s: %s\n", errbuf,
8016 dgettext(TEXT_DOMAIN, err_msg));
8017 }
da536844
MA		 8018 }
8019
3d45fdd6 8020 return (ret != 0);
da536844
MA		 8021
8022usage:
8023 usage(B_FALSE);
8024 return (-1);
8025}
8026
d99a0153
CW		 8027static int
8028zfs_do_channel_program(int argc, char **argv)
8029{
8030 int ret, fd, c;
d99a0153 8031 size_t progsize, progread;
b83a0e2d 8032 nvlist_t *outnvl = NULL;
d99a0153
CW		 8033 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT;
8034 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT;
272b5d73 8035 boolean_t sync_flag = B_TRUE, json_output = B_FALSE;
d99a0153
CW		 8036 zpool_handle_t *zhp;
8037
8038 /* check options */
272b5d73 8039 while ((c = getopt(argc, argv, "nt:m:j")) != -1) {
d99a0153
CW		 8040 switch (c) {
8041 case 't':
8042 case 'm': {
8043 uint64_t arg;
8044 char *endp;
8045
8046 errno = 0;
8047 arg = strtoull(optarg, &endp, 0);
8048 if (errno != 0 || *endp != '\0') {
8049 (void) fprintf(stderr, gettext(
8050 "invalid argument "
8051 "'%s': expected integer\n"), optarg);
8052 goto usage;
8053 }
8054
8055 if (c == 't') {
917f475f 8056 instrlimit = arg;
d99a0153
CW		 8057 } else {
8058 ASSERT3U(c, ==, 'm');
917f475f 8059 memlimit = arg;
d99a0153
CW		 8060 }
8061 break;
8062 }
5b72a38d
SD		 8063 case 'n': {
8064 sync_flag = B_FALSE;
8065 break;
8066 }
272b5d73
AP		 8067 case 'j': {
8068 json_output = B_TRUE;
8069 break;
8070 }
d99a0153
CW		 8071 case '?':
8072 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8073 optopt);
8074 goto usage;
8075 }
8076 }
8077
8078 argc -= optind;
8079 argv += optind;
8080
8081 if (argc < 2) {
8082 (void) fprintf(stderr,
8083 gettext("invalid number of arguments\n"));
8084 goto usage;
8085 }
8086
a926aab9
AZ		 8087 const char *poolname = argv[0];
8088 const char *filename = argv[1];
d99a0153
CW		 8089 if (strcmp(filename, "-") == 0) {
8090 fd = 0;
8091 filename = "standard input";
8092 } else if ((fd = open(filename, O_RDONLY)) < 0) {
8093 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"),
8094 filename, strerror(errno));
8095 return (1);
8096 }
8097
8098 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
62b2152e 8099 (void) fprintf(stderr, gettext("cannot open pool '%s'\n"),
d99a0153 8100 poolname);
cbce5813
DB		 8101 if (fd != 0)
8102 (void) close(fd);
d99a0153
CW		 8103 return (1);
8104 }
8105 zpool_close(zhp);
8106
8107 /*
8108 * Read in the channel program, expanding the program buffer as
8109 * necessary.
8110 */
8111 progread = 0;
8112 progsize = 1024;
a926aab9 8113 char *progbuf = safe_malloc(progsize);
d99a0153
CW		 8114 do {
8115 ret = read(fd, progbuf + progread, progsize - progread);
8116 progread += ret;
8117 if (progread == progsize && ret > 0) {
8118 progsize *= 2;
8119 progbuf = safe_realloc(progbuf, progsize);
8120 }
8121 } while (ret > 0);
8122
8123 if (fd != 0)
8124 (void) close(fd);
8125 if (ret < 0) {
8126 free(progbuf);
8127 (void) fprintf(stderr,
8128 gettext("cannot read '%s': %s\n"),
8129 filename, strerror(errno));
8130 return (1);
8131 }
8132 progbuf[progread] = '\0';
8133
8134 /*
8135 * Any remaining arguments are passed as arguments to the lua script as
8136 * a string array:
8137 * {
8138 * "argv" -> [ "arg 1", ... "arg n" ],
8139 * }
8140 */
8141 nvlist_t *argnvl = fnvlist_alloc();
795075e6
PD		 8142 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV,
8143 (const char **)argv + 2, argc - 2);
d99a0153 8144
5b72a38d
SD		 8145 if (sync_flag) {
8146 ret = lzc_channel_program(poolname, progbuf,
8147 instrlimit, memlimit, argnvl, &outnvl);
8148 } else {
8149 ret = lzc_channel_program_nosync(poolname, progbuf,
8150 instrlimit, memlimit, argnvl, &outnvl);
8151 }
d99a0153
CW		 8152
8153 if (ret != 0) {
8154 /*
8155 * On error, report the error message handed back by lua if one
8156 * exists. Otherwise, generate an appropriate error message,
8157 * falling back on strerror() for an unexpected return code.
8158 */
a926aab9 8159 const char *errstring = NULL;
b83a0e2d 8160 const char *msg = gettext("Channel program execution failed");
d99a0153 8161 uint64_t instructions = 0;
b83a0e2d 8162 if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) {
d1807f16 8163 const char *es = NULL;
d99a0153 8164 (void) nvlist_lookup_string(outnvl,
a926aab9
AZ		 8165 ZCP_RET_ERROR, &es);
8166 if (es == NULL)
d99a0153 8167 errstring = strerror(ret);
a926aab9
AZ		 8168 else
8169 errstring = es;
d99a0153
CW		 8170 if (ret == ETIME) {
8171 (void) nvlist_lookup_uint64(outnvl,
8172 ZCP_ARG_INSTRLIMIT, &instructions);
8173 }
8174 } else {
8175 switch (ret) {
8176 case EINVAL:
8177 errstring =
8178 "Invalid instruction or memory limit.";
8179 break;
8180 case ENOMEM:
8181 errstring = "Return value too large.";
8182 break;
8183 case ENOSPC:
8184 errstring = "Memory limit exhausted.";
8185 break;
8186 case ETIME:
8187 errstring = "Timed out.";
8188 break;
8189 case EPERM:
8190 errstring = "Permission denied. Channel "
8191 "programs must be run as root.";
8192 break;
8193 default:
b83a0e2d 8194 (void) zfs_standard_error(g_zfs, ret, msg);
d99a0153
CW		 8195 }
8196 }
b83a0e2d
DB		 8197 if (errstring != NULL)
8198 (void) fprintf(stderr, "%s:\n%s\n", msg, errstring);
8199
d99a0153 8200 if (ret == ETIME && instructions != 0)
272b5d73
AP		 8201 (void) fprintf(stderr,
8202 gettext("%llu Lua instructions\n"),
d99a0153
CW		 8203 (u_longlong_t)instructions);
8204 } else {
272b5d73
AP		 8205 if (json_output) {
8206 (void) nvlist_print_json(stdout, outnvl);
8207 } else if (nvlist_empty(outnvl)) {
8208 (void) fprintf(stdout, gettext("Channel program fully "
8209 "executed and did not produce output.\n"));
d99a0153 8210 } else {
272b5d73
AP		 8211 (void) fprintf(stdout, gettext("Channel program fully "
8212 "executed and produced output:\n"));
d99a0153
CW		 8213 dump_nvlist(outnvl, 4);
8214 }
8215 }
8216
8217 free(progbuf);
8218 fnvlist_free(outnvl);
8219 fnvlist_free(argnvl);
8220 return (ret != 0);
8221
8222usage:
8223 usage(B_FALSE);
8224 return (-1);
8225}
8226
8227
b5256303
TC		 8228typedef struct loadkey_cbdata {
8229 boolean_t cb_loadkey;
8230 boolean_t cb_recursive;
8231 boolean_t cb_noop;
8232 char *cb_keylocation;
8233 uint64_t cb_numfailed;
8234 uint64_t cb_numattempted;
8235} loadkey_cbdata_t;
8236
8237static int
8238load_key_callback(zfs_handle_t *zhp, void *data)
8239{
8240 int ret;
8241 boolean_t is_encroot;
8242 loadkey_cbdata_t *cb = data;
8243 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8244
8245 /*
8246 * If we are working recursively, we want to skip loading / unloading
8247 * keys for non-encryption roots and datasets whose keys are already
8248 * in the desired end-state.
8249 */
8250 if (cb->cb_recursive) {
8251 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL);
8252 if (ret != 0)
8253 return (ret);
8254 if (!is_encroot)
8255 return (0);
8256
8257 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) ||
8258 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE))
8259 return (0);
8260 }
8261
8262 cb->cb_numattempted++;
8263
8264 if (cb->cb_loadkey)
8265 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation);
8266 else
8267 ret = zfs_crypto_unload_key(zhp);
8268
8269 if (ret != 0) {
8270 cb->cb_numfailed++;
8271 return (ret);
8272 }
8273
8274 return (0);
8275}
8276
8277static int
8278load_unload_keys(int argc, char **argv, boolean_t loadkey)
8279{
8280 int c, ret = 0, flags = 0;
8281 boolean_t do_all = B_FALSE;
8282 loadkey_cbdata_t cb = { 0 };
8283
8284 cb.cb_loadkey = loadkey;
8285
8286 while ((c = getopt(argc, argv, "anrL:")) != -1) {
8287 /* noop and alternate keylocations only apply to zfs load-key */
8288 if (loadkey) {
8289 switch (c) {
8290 case 'n':
8291 cb.cb_noop = B_TRUE;
8292 continue;
8293 case 'L':
8294 cb.cb_keylocation = optarg;
8295 continue;
8296 default:
8297 break;
8298 }
8299 }
8300
8301 switch (c) {
8302 case 'a':
8303 do_all = B_TRUE;
8304 cb.cb_recursive = B_TRUE;
8305 break;
8306 case 'r':
8307 flags |= ZFS_ITER_RECURSE;
8308 cb.cb_recursive = B_TRUE;
8309 break;
8310 default:
8311 (void) fprintf(stderr,
8312 gettext("invalid option '%c'\n"), optopt);
8313 usage(B_FALSE);
8314 }
8315 }
8316
8317 argc -= optind;
8318 argv += optind;
8319
8320 if (!do_all && argc == 0) {
8321 (void) fprintf(stderr,
8322 gettext("Missing dataset argument or -a option\n"));
8323 usage(B_FALSE);
8324 }
8325
8326 if (do_all && argc != 0) {
8327 (void) fprintf(stderr,
8328 gettext("Cannot specify dataset with -a option\n"));
8329 usage(B_FALSE);
8330 }
8331
8332 if (cb.cb_recursive && cb.cb_keylocation != NULL &&
8333 strcmp(cb.cb_keylocation, "prompt") != 0) {
8334 (void) fprintf(stderr, gettext("alternate keylocation may only "
8335 "be 'prompt' with -r or -a\n"));
8336 usage(B_FALSE);
8337 }
8338
8339 ret = zfs_for_each(argc, argv, flags,
8340 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0,
8341 load_key_callback, &cb);
8342
8343 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) {
8344 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"),
8345 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed),
8346 (u_longlong_t)cb.cb_numattempted,
8347 loadkey ? (cb.cb_noop ? "verified" : "loaded") :
8348 "unloaded");
8349 }
8350
8351 if (cb.cb_numfailed != 0)
8352 ret = -1;
8353
8354 return (ret);
8355}
8356
8357static int
8358zfs_do_load_key(int argc, char **argv)
8359{
8360 return (load_unload_keys(argc, argv, B_TRUE));
8361}
8362
8363
8364static int
8365zfs_do_unload_key(int argc, char **argv)
8366{
8367 return (load_unload_keys(argc, argv, B_FALSE));
8368}
8369
8370static int
8371zfs_do_change_key(int argc, char **argv)
8372{
8373 int c, ret;
8374 uint64_t keystatus;
8375 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE;
8376 zfs_handle_t *zhp = NULL;
8377 nvlist_t *props = fnvlist_alloc();
8378
8379 while ((c = getopt(argc, argv, "lio:")) != -1) {
8380 switch (c) {
8381 case 'l':
8382 loadkey = B_TRUE;
8383 break;
8384 case 'i':
8385 inheritkey = B_TRUE;
8386 break;
8387 case 'o':
8388 if (!parseprop(props, optarg)) {
8389 nvlist_free(props);
8390 return (1);
8391 }
8392 break;
8393 default:
8394 (void) fprintf(stderr,
8395 gettext("invalid option '%c'\n"), optopt);
8396 usage(B_FALSE);
8397 }
8398 }
8399
8400 if (inheritkey && !nvlist_empty(props)) {
8401 (void) fprintf(stderr,
8402 gettext("Properties not allowed for inheriting\n"));
8403 usage(B_FALSE);
8404 }
8405
8406 argc -= optind;
8407 argv += optind;
8408
8409 if (argc < 1) {
8410 (void) fprintf(stderr, gettext("Missing dataset argument\n"));
8411 usage(B_FALSE);
8412 }
8413
8414 if (argc > 1) {
8415 (void) fprintf(stderr, gettext("Too many arguments\n"));
8416 usage(B_FALSE);
8417 }
8418
8419 zhp = zfs_open(g_zfs, argv[argc - 1],
8420 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
8421 if (zhp == NULL)
8422 usage(B_FALSE);
8423
8424 if (loadkey) {
8425 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
8426 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) {
8427 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL);
4807c0ba
TC		 8428 if (ret != 0) {
8429 nvlist_free(props);
8430 zfs_close(zhp);
8431 return (-1);
8432 }
b5256303
TC		 8433 }
8434
4807c0ba 8435 /* refresh the properties so the new keystatus is visible */
b5256303
TC		 8436 zfs_refresh_properties(zhp);
8437 }
8438
8439 ret = zfs_crypto_rewrap(zhp, props, inheritkey);
4807c0ba
TC		 8440 if (ret != 0) {
8441 nvlist_free(props);
8442 zfs_close(zhp);
8443 return (-1);
8444 }
b5256303
TC		 8445
8446 nvlist_free(props);
8447 zfs_close(zhp);
8448 return (0);
b5256303
TC		 8449}
8450
9c5167d1
NF		 8451/*
8452 * 1) zfs project [-d|-r] <file|directory ...>
8453 * List project ID and inherit flag of file(s) or directories.
8454 * -d: List the directory itself, not its children.
8455 * -r: List subdirectories recursively.
8456 *
8457 * 2) zfs project -C [-k] [-r] <file|directory ...>
8458 * Clear project inherit flag and/or ID on the file(s) or directories.
8459 * -k: Keep the project ID unchanged. If not specified, the project ID
8460 * will be reset as zero.
8461 * -r: Clear on subdirectories recursively.
8462 *
8463 * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...>
8464 * Check project ID and inherit flag on the file(s) or directories,
8465 * report the outliers.
8466 * -0: Print file name followed by a NUL instead of newline.
8467 * -d: Check the directory itself, not its children.
8468 * -p: Specify the referenced ID for comparing with the target file(s)
8469 * or directories' project IDs. If not specified, the target (top)
8470 * directory's project ID will be used as the referenced one.
8471 * -r: Check subdirectories recursively.
8472 *
8473 * 4) zfs project [-p id] [-r] [-s] <file|directory ...>
8474 * Set project ID and/or inherit flag on the file(s) or directories.
8475 * -p: Set the project ID as the given id.
ad0b23b1 8476 * -r: Set on subdirectories recursively. If not specify "-p" option,
9c5167d1
NF		 8477 * it will use top-level directory's project ID as the given id,
8478 * then set both project ID and inherit flag on all descendants
8479 * of the top-level directory.
8480 * -s: Set project inherit flag.
8481 */
8482static int
8483zfs_do_project(int argc, char **argv)
8484{
8485 zfs_project_control_t zpc = {
8486 .zpc_expected_projid = ZFS_INVALID_PROJID,
8487 .zpc_op = ZFS_PROJECT_OP_DEFAULT,
8488 .zpc_dironly = B_FALSE,
8489 .zpc_keep_projid = B_FALSE,
8490 .zpc_newline = B_TRUE,
8491 .zpc_recursive = B_FALSE,
8492 .zpc_set_flag = B_FALSE,
8493 };
8494 int ret = 0, c;
8495
8496 if (argc < 2)
8497 usage(B_FALSE);
8498
8499 while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) {
8500 switch (c) {
8501 case '0':
8502 zpc.zpc_newline = B_FALSE;
8503 break;
8504 case 'C':
8505 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8506 (void) fprintf(stderr, gettext("cannot "
8507 "specify '-C' '-c' '-s' together\n"));
8508 usage(B_FALSE);
8509 }
8510
8511 zpc.zpc_op = ZFS_PROJECT_OP_CLEAR;
8512 break;
8513 case 'c':
8514 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8515 (void) fprintf(stderr, gettext("cannot "
8516 "specify '-C' '-c' '-s' together\n"));
8517 usage(B_FALSE);
8518 }
8519
8520 zpc.zpc_op = ZFS_PROJECT_OP_CHECK;
8521 break;
8522 case 'd':
8523 zpc.zpc_dironly = B_TRUE;
8524 /* overwrite "-r" option */
8525 zpc.zpc_recursive = B_FALSE;
8526 break;
8527 case 'k':
8528 zpc.zpc_keep_projid = B_TRUE;
8529 break;
8530 case 'p': {
8531 char *endptr;
8532
8533 errno = 0;
8534 zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0);
8535 if (errno != 0 || *endptr != '\0') {
8536 (void) fprintf(stderr,
8537 gettext("project ID must be less than "
8538 "%u\n"), UINT32_MAX);
8539 usage(B_FALSE);
8540 }
8541 if (zpc.zpc_expected_projid >= UINT32_MAX) {
8542 (void) fprintf(stderr,
8543 gettext("invalid project ID\n"));
8544 usage(B_FALSE);
8545 }
8546 break;
8547 }
8548 case 'r':
8549 zpc.zpc_recursive = B_TRUE;
8550 /* overwrite "-d" option */
8551 zpc.zpc_dironly = B_FALSE;
8552 break;
8553 case 's':
8554 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
8555 (void) fprintf(stderr, gettext("cannot "
8556 "specify '-C' '-c' '-s' together\n"));
8557 usage(B_FALSE);
8558 }
8559
8560 zpc.zpc_set_flag = B_TRUE;
8561 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8562 break;
8563 default:
8564 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8565 optopt);
8566 usage(B_FALSE);
8567 }
8568 }
8569
8570 if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) {
8571 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID)
8572 zpc.zpc_op = ZFS_PROJECT_OP_SET;
8573 else
8574 zpc.zpc_op = ZFS_PROJECT_OP_LIST;
8575 }
8576
8577 switch (zpc.zpc_op) {
8578 case ZFS_PROJECT_OP_LIST:
8579 if (zpc.zpc_keep_projid) {
8580 (void) fprintf(stderr,
8581 gettext("'-k' is only valid together with '-C'\n"));
8582 usage(B_FALSE);
8583 }
8584 if (!zpc.zpc_newline) {
8585 (void) fprintf(stderr,
8586 gettext("'-0' is only valid together with '-c'\n"));
8587 usage(B_FALSE);
8588 }
8589 break;
8590 case ZFS_PROJECT_OP_CHECK:
8591 if (zpc.zpc_keep_projid) {
8592 (void) fprintf(stderr,
8593 gettext("'-k' is only valid together with '-C'\n"));
8594 usage(B_FALSE);
8595 }
8596 break;
8597 case ZFS_PROJECT_OP_CLEAR:
8598 if (zpc.zpc_dironly) {
8599 (void) fprintf(stderr,
8600 gettext("'-d' is useless together with '-C'\n"));
8601 usage(B_FALSE);
8602 }
8603 if (!zpc.zpc_newline) {
8604 (void) fprintf(stderr,
8605 gettext("'-0' is only valid together with '-c'\n"));
8606 usage(B_FALSE);
8607 }
8608 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) {
8609 (void) fprintf(stderr,
8610 gettext("'-p' is useless together with '-C'\n"));
8611 usage(B_FALSE);
8612 }
8613 break;
8614 case ZFS_PROJECT_OP_SET:
8615 if (zpc.zpc_dironly) {
8616 (void) fprintf(stderr,
8617 gettext("'-d' is useless for set project ID and/or "
8618 "inherit flag\n"));
8619 usage(B_FALSE);
8620 }
8621 if (zpc.zpc_keep_projid) {
8622 (void) fprintf(stderr,
8623 gettext("'-k' is only valid together with '-C'\n"));
8624 usage(B_FALSE);
8625 }
8626 if (!zpc.zpc_newline) {
8627 (void) fprintf(stderr,
8628 gettext("'-0' is only valid together with '-c'\n"));
8629 usage(B_FALSE);
8630 }
8631 break;
8632 default:
8633 ASSERT(0);
8634 break;
8635 }
8636
8637 argv += optind;
8638 argc -= optind;
8639 if (argc == 0) {
8640 (void) fprintf(stderr,
8641 gettext("missing file or directory target(s)\n"));
8642 usage(B_FALSE);
8643 }
8644
8645 for (int i = 0; i < argc; i++) {
8646 int err;
8647
8648 err = zfs_project_handle(argv[i], &zpc);
8649 if (err && !ret)
8650 ret = err;
8651 }
8652
8653 return (ret);
8654}
8655
5a42ef04
PD		 8656static int
8657zfs_do_wait(int argc, char **argv)
8658{
8659 boolean_t enabled[ZFS_WAIT_NUM_ACTIVITIES];
4ecd9637 8660 int error = 0, i;
fb188409 8661 int c;
5a42ef04
PD		 8662
8663 /* By default, wait for all types of activity. */
8664 for (i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++)
8665 enabled[i] = B_TRUE;
8666
8667 while ((c = getopt(argc, argv, "t:")) != -1) {
8668 switch (c) {
8669 case 't':
5a42ef04 8670 /* Reset activities array */
861166b0 8671 memset(&enabled, 0, sizeof (enabled));
5a42ef04 8672
15aca3ad
AZ		 8673 for (char *tok; (tok = strsep(&optarg, ",")); ) {
8674 static const char *const col_subopts[
8675 ZFS_WAIT_NUM_ACTIVITIES] = { "deleteq" };
5a42ef04 8676
15aca3ad
AZ		 8677 for (i = 0; i < ARRAY_SIZE(col_subopts); ++i)
8678 if (strcmp(tok, col_subopts[i]) == 0) {
8679 enabled[i] = B_TRUE;
8680 goto found;
8681 }
8682
8683 (void) fprintf(stderr,
8684 gettext("invalid activity '%s'\n"), tok);
8685 usage(B_FALSE);
8686found:;
5a42ef04
PD		 8687 }
8688 break;
5a42ef04
PD		 8689 case '?':
8690 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
8691 optopt);
8692 usage(B_FALSE);
8693 }
8694 }
8695
8696 argv += optind;
8697 argc -= optind;
8698 if (argc < 1) {
8699 (void) fprintf(stderr, gettext("missing 'filesystem' "
8700 "argument\n"));
8701 usage(B_FALSE);
8702 }
8703 if (argc > 1) {
8704 (void) fprintf(stderr, gettext("too many arguments\n"));
8705 usage(B_FALSE);
8706 }
8707
8708 zfs_handle_t *zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM);
8709 if (zhp == NULL)
8710 return (1);
8711
8712 for (;;) {
8713 boolean_t missing = B_FALSE;
8714 boolean_t any_waited = B_FALSE;
8715
8716 for (int i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++) {
8717 boolean_t waited;
8718
8719 if (!enabled[i])
8720 continue;
8721
8722 error = zfs_wait_status(zhp, i, &missing, &waited);
8723 if (error != 0 || missing)
8724 break;
8725
8726 any_waited = (any_waited || waited);
8727 }
8728
8729 if (error != 0 || missing || !any_waited)
8730 break;
8731 }
8732
8733 zfs_close(zhp);
8734
8735 return (error);
8736}
8737
50478c6d
T		 8738/*
8739 * Display version message
8740 */
8741static int
8742zfs_do_version(int argc, char **argv)
8743{
f291fa65 8744 (void) argc, (void) argv;
2b4f2fc9 8745 return (zfs_version_print() != 0);
50478c6d
T		 8746}
8747
7228ba11
RN		 8748/* Display documentation */
8749static int
8750zfs_do_help(int argc, char **argv)
8751{
8752 char page[MAXNAMELEN];
8753 if (argc < 3 || strcmp(argv[2], "zfs") == 0)
8754 strcpy(page, "zfs");
8755 else if (strcmp(argv[2], "concepts") == 0 ||
8756 strcmp(argv[2], "props") == 0)
8757 snprintf(page, sizeof (page), "zfs%s", argv[2]);
8758 else
8759 snprintf(page, sizeof (page), "zfs-%s", argv[2]);
8760
8761 execlp("man", "man", page, NULL);
8762
8763 fprintf(stderr, "couldn't run man program: %s", strerror(errno));
8764 return (-1);
8765}
8766
34dc7c2f
BB		 8767int
8768main(int argc, char **argv)
8769{
ad60af8e 8770 int ret = 0;
d4ed6673 8771 int i = 0;
a926aab9 8772 const char *cmdname;
edc05fdb 8773 char **newargv;
34dc7c2f
BB		 8774
8775 (void) setlocale(LC_ALL, "");
c2c7ca0d 8776 (void) setlocale(LC_NUMERIC, "C");
34dc7c2f
BB		 8777 (void) textdomain(TEXT_DOMAIN);
8778
8779 opterr = 0;
8780
34dc7c2f 8781 /*
d53368f6 8782 * Make sure the user has specified some command.
34dc7c2f 8783 */
d53368f6
BB		 8784 if (argc < 2) {
8785 (void) fprintf(stderr, gettext("missing command\n"));
8786 usage(B_FALSE);
8787 }
34dc7c2f 8788
d53368f6 8789 cmdname = argv[1];
34dc7c2f 8790
d53368f6
BB		 8791 /*
8792 * The 'umount' command is an alias for 'unmount'
8793 */
8794 if (strcmp(cmdname, "umount") == 0)
8795 cmdname = "unmount";
34dc7c2f 8796
d53368f6
BB		 8797 /*
8798 * The 'recv' command is an alias for 'receive'
8799 */
8800 if (strcmp(cmdname, "recv") == 0)
8801 cmdname = "receive";
34dc7c2f 8802
10b75496
S		 8803 /*
8804 * The 'snap' command is an alias for 'snapshot'
8805 */
8806 if (strcmp(cmdname, "snap") == 0)
8807 cmdname = "snapshot";
8808
d53368f6
BB		 8809 /*
8810 * Special case '-?'
8811 */
8812 if ((strcmp(cmdname, "-?") == 0) ||
8813 (strcmp(cmdname, "--help") == 0))
8814 usage(B_TRUE);
34dc7c2f 8815
50478c6d
T		 8816 /*
8817 * Special case '-V|--version'
8818 */
8819 if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0))
8820 return (zfs_do_version(argc, argv));
8821
7228ba11
RN		 8822 /*
8823 * Special case 'help'
8824 */
8825 if (strcmp(cmdname, "help") == 0)
8826 return (zfs_do_help(argc, argv));
8827
65037d9b 8828 if ((g_zfs = libzfs_init()) == NULL) {
afc8f0a6 8829 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno));
d53368f6 8830 return (1);
65037d9b 8831 }
9b020fd9 8832
6f1ffb06 8833 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
9b020fd9 8834
d53368f6 8835 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 8836
19d39615
AH		 8837 zfs_setproctitle_init(argc, argv, environ);
8838
edc05fdb
D		 8839 /*
8840 * Many commands modify input strings for string parsing reasons.
8841 * We create a copy to protect the original argv.
8842 */
a3dcc0aa 8843 newargv = safe_malloc((argc + 1) * sizeof (newargv[0]));
edc05fdb
D		 8844 for (i = 0; i < argc; i++)
8845 newargv[i] = strdup(argv[i]);
8846 newargv[argc] = NULL;
8847
d53368f6
BB		 8848 /*
8849 * Run the appropriate command.
8850 */
e0730668 8851 libzfs_mnttab_cache(g_zfs, B_TRUE);
d53368f6
BB		 8852 if (find_command_idx(cmdname, &i) == 0) {
8853 current_command = &command_table[i];
edc05fdb 8854 ret = command_table[i].func(argc - 1, newargv + 1);
d53368f6
BB		 8855 } else if (strchr(cmdname, '=') != NULL) {
8856 verify(find_command_idx("set", &i) == 0);
8857 current_command = &command_table[i];
edc05fdb 8858 ret = command_table[i].func(argc, newargv);
d53368f6
BB		 8859 } else {
8860 (void) fprintf(stderr, gettext("unrecognized "
8861 "command '%s'\n"), cmdname);
8862 usage(B_FALSE);
8863 ret = 1;
34dc7c2f
BB		 8864 }
8865
edc05fdb
D		 8866 for (i = 0; i < argc; i++)
8867 free(newargv[i]);
8868 free(newargv);
8869
6f1ffb06
MA		 8870 if (ret == 0 && log_history)
8871 (void) zpool_log_history(g_zfs, history_str);
8872
fb8e608d
TC		 8873 libzfs_fini(g_zfs);
8874
34dc7c2f
BB		 8875 /*
8876 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
8877 * for the purposes of running ::findleaks.
8878 */
8879 if (getenv("ZFS_ABORT") != NULL) {
8880 (void) printf("dumping core by request\n");
8881 abort();
8882 }
8883
8884 return (ret);
8885}
4bc72196 8886
4ed5e250
WA		 8887/*
8888 * zfs zone nsfile filesystem
8889 *
8890 * Add or delete the given dataset to/from the namespace.
8891 */
8892#ifdef __linux__
8893static int
8894zfs_do_zone_impl(int argc, char **argv, boolean_t attach)
8895{
8896 zfs_handle_t *zhp;
8897 int ret;
8898
8899 if (argc < 3) {
8900 (void) fprintf(stderr, gettext("missing argument(s)\n"));
8901 usage(B_FALSE);
8902 }
8903 if (argc > 3) {
8904 (void) fprintf(stderr, gettext("too many arguments\n"));
8905 usage(B_FALSE);
8906 }
8907
8908 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
8909 if (zhp == NULL)
8910 return (1);
8911
8912 ret = (zfs_userns(zhp, argv[1], attach) != 0);
8913
8914 zfs_close(zhp);
8915 return (ret);
8916}
8917
8918static int
8919zfs_do_zone(int argc, char **argv)
8920{
8921 return (zfs_do_zone_impl(argc, argv, B_TRUE));
8922}
8923
8924static int
8925zfs_do_unzone(int argc, char **argv)
8926{
8927 return (zfs_do_zone_impl(argc, argv, B_FALSE));
8928}
8929#endif
8930
4bc72196
MM		 8931#ifdef __FreeBSD__
8932#include <sys/jail.h>
8933#include <jail.h>
8934/*
8935 * Attach/detach the given dataset to/from the given jail
8936 */
4bc72196
MM		 8937static int
8938zfs_do_jail_impl(int argc, char **argv, boolean_t attach)
8939{
8940 zfs_handle_t *zhp;
8941 int jailid, ret;
8942
8943 /* check number of arguments */
8944 if (argc < 3) {
8945 (void) fprintf(stderr, gettext("missing argument(s)\n"));
8946 usage(B_FALSE);
8947 }
8948 if (argc > 3) {
8949 (void) fprintf(stderr, gettext("too many arguments\n"));
8950 usage(B_FALSE);
8951 }
8952
8953 jailid = jail_getid(argv[1]);
8954 if (jailid < 0) {
8955 (void) fprintf(stderr, gettext("invalid jail id or name\n"));
8956 usage(B_FALSE);
8957 }
8958
8959 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM);
8960 if (zhp == NULL)
8961 return (1);
8962
8963 ret = (zfs_jail(zhp, jailid, attach) != 0);
8964
8965 zfs_close(zhp);
8966 return (ret);
8967}
8968
8969/*
8970 * zfs jail jailid filesystem
8971 *
8972 * Attach the given dataset to the given jail
8973 */
4bc72196
MM		 8974static int
8975zfs_do_jail(int argc, char **argv)
8976{
8977 return (zfs_do_jail_impl(argc, argv, B_TRUE));
8978}
8979
8980/*
8981 * zfs unjail jailid filesystem
8982 *
8983 * Detach the given dataset from the given jail
8984 */
4bc72196
MM		 8985static int
8986zfs_do_unjail(int argc, char **argv)
8987{
8988 return (zfs_do_jail_impl(argc, argv, B_FALSE));
8989}
8990#endif
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