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Add JSON output support to channel programs
[mirror_zfs.git] / cmd / zfs / zfs_main.c
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34dc7c2f
BB		 1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
428870ff 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
5b72a38d 24 * Copyright (c) 2011, 2017 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.
272b5d73 30 * Copyright (c) 2018 Datto Inc.
34dc7c2f
BB		 31 */
32
34dc7c2f
BB		 33#include <assert.h>
34#include <ctype.h>
35#include <errno.h>
a7004725 36#include <getopt.h>
34dc7c2f
BB		 37#include <libgen.h>
38#include <libintl.h>
39#include <libuutil.h>
40#include <libnvpair.h>
41#include <locale.h>
42#include <stddef.h>
43#include <stdio.h>
44#include <stdlib.h>
45#include <strings.h>
46#include <unistd.h>
47#include <fcntl.h>
48#include <zone.h>
9babb374
BB		 49#include <grp.h>
50#include <pwd.h>
572e2857 51#include <signal.h>
d99a0153 52#include <sys/debug.h>
0b7936d5 53#include <sys/list.h>
34dc7c2f
BB		 54#include <sys/mkdev.h>
55#include <sys/mntent.h>
56#include <sys/mnttab.h>
57#include <sys/mount.h>
58#include <sys/stat.h>
9babb374 59#include <sys/fs/zfs.h>
46364cb2 60#include <sys/systeminfo.h>
428870ff
BB		 61#include <sys/types.h>
62#include <time.h>
9c5167d1 63#include <sys/zfs_project.h>
34dc7c2f
BB		 64
65#include <libzfs.h>
6f1ffb06 66#include <libzfs_core.h>
0b7936d5
AS		 67#include <zfs_prop.h>
68#include <zfs_deleg.h>
34dc7c2f 69#include <libuutil.h>
0b7936d5
AS		 70#ifdef HAVE_IDMAP
71#include <aclutils.h>
72#include <directory.h>
73#endif /* HAVE_IDMAP */
34dc7c2f
BB		 74
75#include "zfs_iter.h"
76#include "zfs_util.h"
428870ff 77#include "zfs_comutil.h"
0bc7a7a7 78#include "libzfs_impl.h"
9c5167d1 79#include "zfs_projectutil.h"
34dc7c2f
BB		 80
81libzfs_handle_t *g_zfs;
82
83static FILE *mnttab_file;
84static char history_str[HIS_MAX_RECORD_LEN];
6f1ffb06 85static boolean_t log_history = B_TRUE;
34dc7c2f
BB		 86
87static int zfs_do_clone(int argc, char **argv);
88static int zfs_do_create(int argc, char **argv);
89static int zfs_do_destroy(int argc, char **argv);
90static int zfs_do_get(int argc, char **argv);
91static int zfs_do_inherit(int argc, char **argv);
92static int zfs_do_list(int argc, char **argv);
93static int zfs_do_mount(int argc, char **argv);
94static int zfs_do_rename(int argc, char **argv);
95static int zfs_do_rollback(int argc, char **argv);
96static int zfs_do_set(int argc, char **argv);
97static int zfs_do_upgrade(int argc, char **argv);
98static int zfs_do_snapshot(int argc, char **argv);
99static int zfs_do_unmount(int argc, char **argv);
100static int zfs_do_share(int argc, char **argv);
101static int zfs_do_unshare(int argc, char **argv);
102static int zfs_do_send(int argc, char **argv);
103static int zfs_do_receive(int argc, char **argv);
104static int zfs_do_promote(int argc, char **argv);
9babb374 105static int zfs_do_userspace(int argc, char **argv);
0b7936d5
AS		 106static int zfs_do_allow(int argc, char **argv);
107static int zfs_do_unallow(int argc, char **argv);
45d1cae3 108static int zfs_do_hold(int argc, char **argv);
0b7936d5 109static int zfs_do_holds(int argc, char **argv);
45d1cae3 110static int zfs_do_release(int argc, char **argv);
572e2857 111static int zfs_do_diff(int argc, char **argv);
da536844 112static int zfs_do_bookmark(int argc, char **argv);
d99a0153 113static int zfs_do_channel_program(int argc, char **argv);
b5256303
TC		 114static int zfs_do_load_key(int argc, char **argv);
115static int zfs_do_unload_key(int argc, char **argv);
116static int zfs_do_change_key(int argc, char **argv);
9c5167d1 117static int zfs_do_project(int argc, char **argv);
34dc7c2f
BB		 118
119/*
b128c09f 120 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
34dc7c2f 121 */
b128c09f
BB		 122
123#ifdef DEBUG
34dc7c2f
BB		 124const char *
125_umem_debug_init(void)
126{
127 return ("default,verbose"); /* $UMEM_DEBUG setting */
128}
129
130const char *
131_umem_logging_init(void)
132{
133 return ("fail,contents"); /* $UMEM_LOGGING setting */
134}
b128c09f 135#endif
34dc7c2f
BB		 136
137typedef enum {
138 HELP_CLONE,
139 HELP_CREATE,
140 HELP_DESTROY,
141 HELP_GET,
142 HELP_INHERIT,
143 HELP_UPGRADE,
144 HELP_LIST,
145 HELP_MOUNT,
146 HELP_PROMOTE,
147 HELP_RECEIVE,
148 HELP_RENAME,
149 HELP_ROLLBACK,
150 HELP_SEND,
151 HELP_SET,
152 HELP_SHARE,
153 HELP_SNAPSHOT,
154 HELP_UNMOUNT,
155 HELP_UNSHARE,
156 HELP_ALLOW,
9babb374
BB		 157 HELP_UNALLOW,
158 HELP_USERSPACE,
45d1cae3 159 HELP_GROUPSPACE,
9c5167d1
NF		 160 HELP_PROJECTSPACE,
161 HELP_PROJECT,
45d1cae3
BB		 162 HELP_HOLD,
163 HELP_HOLDS,
572e2857 164 HELP_RELEASE,
330d06f9 165 HELP_DIFF,
da536844 166 HELP_BOOKMARK,
d99a0153 167 HELP_CHANNEL_PROGRAM,
b5256303
TC		 168 HELP_LOAD_KEY,
169 HELP_UNLOAD_KEY,
170 HELP_CHANGE_KEY,
34dc7c2f
BB		 171} zfs_help_t;
172
173typedef struct zfs_command {
174 const char *name;
175 int (*func)(int argc, char **argv);
176 zfs_help_t usage;
177} zfs_command_t;
178
179/*
180 * Master command table. Each ZFS command has a name, associated function, and
181 * usage message. The usage messages need to be internationalized, so we have
182 * to have a function to return the usage message based on a command index.
183 *
184 * These commands are organized according to how they are displayed in the usage
185 * message. An empty command (one with a NULL name) indicates an empty line in
186 * the generic usage message.
187 */
188static zfs_command_t command_table[] = {
189 { "create", zfs_do_create, HELP_CREATE },
190 { "destroy", zfs_do_destroy, HELP_DESTROY },
191 { NULL },
192 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT },
193 { "rollback", zfs_do_rollback, HELP_ROLLBACK },
194 { "clone", zfs_do_clone, HELP_CLONE },
195 { "promote", zfs_do_promote, HELP_PROMOTE },
196 { "rename", zfs_do_rename, HELP_RENAME },
da536844 197 { "bookmark", zfs_do_bookmark, HELP_BOOKMARK },
d99a0153 198 { "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM },
34dc7c2f
BB		 199 { NULL },
200 { "list", zfs_do_list, HELP_LIST },
201 { NULL },
202 { "set", zfs_do_set, HELP_SET },
428870ff 203 { "get", zfs_do_get, HELP_GET },
34dc7c2f
BB		 204 { "inherit", zfs_do_inherit, HELP_INHERIT },
205 { "upgrade", zfs_do_upgrade, HELP_UPGRADE },
9c5167d1 206 { NULL },
9babb374
BB		 207 { "userspace", zfs_do_userspace, HELP_USERSPACE },
208 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE },
9c5167d1
NF		 209 { "projectspace", zfs_do_userspace, HELP_PROJECTSPACE },
210 { NULL },
211 { "project", zfs_do_project, HELP_PROJECT },
34dc7c2f
BB		 212 { NULL },
213 { "mount", zfs_do_mount, HELP_MOUNT },
214 { "unmount", zfs_do_unmount, HELP_UNMOUNT },
215 { "share", zfs_do_share, HELP_SHARE },
216 { "unshare", zfs_do_unshare, HELP_UNSHARE },
217 { NULL },
218 { "send", zfs_do_send, HELP_SEND },
219 { "receive", zfs_do_receive, HELP_RECEIVE },
220 { NULL },
0b7936d5 221 { "allow", zfs_do_allow, HELP_ALLOW },
34dc7c2f 222 { NULL },
0b7936d5 223 { "unallow", zfs_do_unallow, HELP_UNALLOW },
45d1cae3
BB		 224 { NULL },
225 { "hold", zfs_do_hold, HELP_HOLD },
0b7936d5 226 { "holds", zfs_do_holds, HELP_HOLDS },
45d1cae3 227 { "release", zfs_do_release, HELP_RELEASE },
572e2857 228 { "diff", zfs_do_diff, HELP_DIFF },
b5256303
TC		 229 { "load-key", zfs_do_load_key, HELP_LOAD_KEY },
230 { "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY },
231 { "change-key", zfs_do_change_key, HELP_CHANGE_KEY },
34dc7c2f
BB		 232};
233
234#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
235
236zfs_command_t *current_command;
237
238static const char *
239get_usage(zfs_help_t idx)
240{
241 switch (idx) {
242 case HELP_CLONE:
b128c09f
BB		 243 return (gettext("\tclone [-p] [-o property=value] ... "
244 "<snapshot> <filesystem|volume>\n"));
34dc7c2f
BB		 245 case HELP_CREATE:
246 return (gettext("\tcreate [-p] [-o property=value] ... "
247 "<filesystem>\n"
248 "\tcreate [-ps] [-b blocksize] [-o property=value] ... "
249 "-V <size> <volume>\n"));
250 case HELP_DESTROY:
330d06f9
MA		 251 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
252 "\tdestroy [-dnpRrv] "
da536844
MA		 253 "<filesystem|volume>@<snap>[%<snap>][,...]\n"
254 "\tdestroy <filesystem|volume>#<bookmark>\n"));
34dc7c2f 255 case HELP_GET:
9babb374 256 return (gettext("\tget [-rHp] [-d max] "
da536844
MA		 257 "[-o \"all\" | field[,...]]\n"
258 "\t [-t type[,...]] [-s source[,...]]\n"
34dc7c2f 259 "\t <\"all\" | property[,...]> "
aeacdefe 260 "[filesystem|volume|snapshot|bookmark] ...\n"));
34dc7c2f 261 case HELP_INHERIT:
428870ff 262 return (gettext("\tinherit [-rS] <property> "
b128c09f 263 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 264 case HELP_UPGRADE:
265 return (gettext("\tupgrade [-v]\n"
266 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
267 case HELP_LIST:
54d5378f
YP		 268 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] "
269 "[-s property]...\n\t [-S property]... [-t type[,...]] "
157c9b69 270 "[filesystem|volume|snapshot] ...\n"));
34dc7c2f
BB		 271 case HELP_MOUNT:
272 return (gettext("\tmount\n"
b5256303 273 "\tmount [-lvO] [-o opts] <-a | filesystem>\n"));
34dc7c2f
BB		 274 case HELP_PROMOTE:
275 return (gettext("\tpromote <clone-filesystem>\n"));
276 case HELP_RECEIVE:
a3eeab2d 277 return (gettext("\treceive [-vnsFu] "
278 "[-o <property>=<value>] ... [-x <property>] ...\n"
279 "\t <filesystem|volume|snapshot>\n"
280 "\treceive [-vnsFu] [-o <property>=<value>] ... "
281 "[-x <property>] ... \n"
282 "\t [-d | -e] <filesystem>\n"
47dfff3b 283 "\treceive -A <filesystem|volume>\n"));
34dc7c2f 284 case HELP_RENAME:
db49968e 285 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
34dc7c2f 286 "<filesystem|volume|snapshot>\n"
db49968e 287 "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n"
da536844 288 "\trename -r <snapshot> <snapshot>\n"));
34dc7c2f
BB		 289 case HELP_ROLLBACK:
290 return (gettext("\trollback [-rRf] <snapshot>\n"));
291 case HELP_SEND:
faa97c16 292 return (gettext("\tsend [-DnPpRvLecwb] [-[i|I] snapshot] "
da536844 293 "<snapshot>\n"
faa97c16 294 "\tsend [-nvPLecw] [-i snapshot|bookmark] "
47dfff3b
MA		 295 "<filesystem|volume|snapshot>\n"
296 "\tsend [-nvPe] -t <receive_resume_token>\n"));
34dc7c2f 297 case HELP_SET:
23de906c 298 return (gettext("\tset <property=value> ... "
b128c09f 299 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f 300 case HELP_SHARE:
b5256303 301 return (gettext("\tshare [-l] <-a [nfs|smb] | filesystem>\n"));
34dc7c2f 302 case HELP_SNAPSHOT:
63f88c12 303 return (gettext("\tsnapshot [-r] [-o property=value] ... "
da536844 304 "<filesystem|volume>@<snap> ...\n"));
34dc7c2f
BB		 305 case HELP_UNMOUNT:
306 return (gettext("\tunmount [-f] "
307 "<-a | filesystem|mountpoint>\n"));
308 case HELP_UNSHARE:
45d1cae3 309 return (gettext("\tunshare "
2f71caf2 310 "<-a [nfs|smb] | filesystem|mountpoint>\n"));
34dc7c2f 311 case HELP_ALLOW:
9babb374
BB		 312 return (gettext("\tallow <filesystem|volume>\n"
313 "\tallow [-ldug] "
34dc7c2f
BB		 314 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
315 "\t <filesystem|volume>\n"
316 "\tallow [-ld] -e <perm|@setname>[,...] "
317 "<filesystem|volume>\n"
318 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
319 "\tallow -s @setname <perm|@setname>[,...] "
320 "<filesystem|volume>\n"));
321 case HELP_UNALLOW:
322 return (gettext("\tunallow [-rldug] "
323 "<\"everyone\"|user|group>[,...]\n"
324 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
325 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
326 "<filesystem|volume>\n"
327 "\tunallow [-r] -c [<perm|@setname>[,...]] "
328 "<filesystem|volume>\n"
329 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
330 "<filesystem|volume>\n"));
9babb374 331 case HELP_USERSPACE:
5990da81 332 return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
da536844
MA		 333 "[-s field] ...\n"
334 "\t [-S field] ... [-t type[,...]] "
54d5378f 335 "<filesystem|snapshot>\n"));
9babb374 336 case HELP_GROUPSPACE:
5990da81 337 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
da536844
MA		 338 "[-s field] ...\n"
339 "\t [-S field] ... [-t type[,...]] "
54d5378f 340 "<filesystem|snapshot>\n"));
9c5167d1
NF		 341 case HELP_PROJECTSPACE:
342 return (gettext("\tprojectspace [-Hp] [-o field[,...]] "
343 "[-s field] ... \n"
344 "\t [-S field] ... <filesystem|snapshot>\n"));
345 case HELP_PROJECT:
346 return (gettext("\tproject [-d|-r] <directory|file ...>\n"
347 "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n"
348 "\tproject -C [-k] [-r] <directory ...>\n"
349 "\tproject [-p id] [-r] [-s] <directory ...>\n"));
45d1cae3
BB		 350 case HELP_HOLD:
351 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
352 case HELP_HOLDS:
353 return (gettext("\tholds [-r] <snapshot> ...\n"));
354 case HELP_RELEASE:
355 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
572e2857
BB		 356 case HELP_DIFF:
357 return (gettext("\tdiff [-FHt] <snapshot> "
358 "[snapshot|filesystem]\n"));
da536844
MA		 359 case HELP_BOOKMARK:
360 return (gettext("\tbookmark <snapshot> <bookmark>\n"));
d99a0153 361 case HELP_CHANNEL_PROGRAM:
272b5d73 362 return (gettext("\tprogram [-jn] [-t <instruction limit>] "
d99a0153
CW		 363 "[-m <memory limit (b)>] <pool> <program file> "
364 "[lua args...]\n"));
b5256303
TC		 365 case HELP_LOAD_KEY:
366 return (gettext("\tload-key [-rn] [-L <keylocation>] "
367 "<-a | filesystem|volume>\n"));
368 case HELP_UNLOAD_KEY:
369 return (gettext("\tunload-key [-r] "
370 "<-a | filesystem|volume>\n"));
371 case HELP_CHANGE_KEY:
ae76f45c
TC		 372 return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n"
373 "\t [-o keylocation=<value>] [-o pbkfd2iters=<value>]\n"
b5256303
TC		 374 "\t <filesystem|volume>\n"
375 "\tchange-key -i [-l] <filesystem|volume>\n"));
34dc7c2f
BB		 376 }
377
378 abort();
379 /* NOTREACHED */
380}
381
428870ff
BB		 382void
383nomem(void)
384{
385 (void) fprintf(stderr, gettext("internal error: out of memory\n"));
386 exit(1);
387}
388
34dc7c2f
BB		 389/*
390 * Utility function to guarantee malloc() success.
391 */
428870ff 392
34dc7c2f
BB		 393void *
394safe_malloc(size_t size)
395{
396 void *data;
397
428870ff
BB		 398 if ((data = calloc(1, size)) == NULL)
399 nomem();
34dc7c2f
BB		 400
401 return (data);
402}
403
d99a0153
CW		 404void *
405safe_realloc(void *data, size_t size)
406{
407 void *newp;
408 if ((newp = realloc(data, size)) == NULL) {
409 free(data);
410 nomem();
411 }
412
413 return (newp);
414}
415
428870ff
BB		 416static char *
417safe_strdup(char *str)
418{
419 char *dupstr = strdup(str);
420
421 if (dupstr == NULL)
422 nomem();
423
424 return (dupstr);
425}
426
34dc7c2f
BB		 427/*
428 * Callback routine that will print out information for each of
429 * the properties.
430 */
431static int
432usage_prop_cb(int prop, void *cb)
433{
434 FILE *fp = cb;
435
b128c09f 436 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
34dc7c2f 437
b128c09f
BB		 438 if (zfs_prop_readonly(prop))
439 (void) fprintf(fp, " NO ");
34dc7c2f 440 else
b128c09f 441 (void) fprintf(fp, "YES ");
34dc7c2f
BB		 442
443 if (zfs_prop_inheritable(prop))
444 (void) fprintf(fp, " YES ");
445 else
446 (void) fprintf(fp, " NO ");
447
448 if (zfs_prop_values(prop) == NULL)
449 (void) fprintf(fp, "-\n");
450 else
451 (void) fprintf(fp, "%s\n", zfs_prop_values(prop));
452
453 return (ZPROP_CONT);
454}
455
456/*
457 * Display usage message. If we're inside a command, display only the usage for
458 * that command. Otherwise, iterate over the entire command table and display
459 * a complete usage message.
460 */
461static void
462usage(boolean_t requested)
463{
464 int i;
465 boolean_t show_properties = B_FALSE;
34dc7c2f
BB		 466 FILE *fp = requested ? stdout : stderr;
467
468 if (current_command == NULL) {
469
470 (void) fprintf(fp, gettext("usage: zfs command args ...\n"));
471 (void) fprintf(fp,
472 gettext("where 'command' is one of the following:\n\n"));
473
474 for (i = 0; i < NCOMMAND; i++) {
475 if (command_table[i].name == NULL)
476 (void) fprintf(fp, "\n");
477 else
478 (void) fprintf(fp, "%s",
479 get_usage(command_table[i].usage));
480 }
481
482 (void) fprintf(fp, gettext("\nEach dataset is of the form: "
483 "pool/[dataset/]*dataset[@name]\n"));
484 } else {
485 (void) fprintf(fp, gettext("usage:\n"));
486 (void) fprintf(fp, "%s", get_usage(current_command->usage));
487 }
488
489 if (current_command != NULL &&
490 (strcmp(current_command->name, "set") == 0 ||
491 strcmp(current_command->name, "get") == 0 ||
492 strcmp(current_command->name, "inherit") == 0 ||
493 strcmp(current_command->name, "list") == 0))
494 show_properties = B_TRUE;
495
34dc7c2f 496 if (show_properties) {
34dc7c2f
BB		 497 (void) fprintf(fp,
498 gettext("\nThe following properties are supported:\n"));
499
500 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
501 "PROPERTY", "EDIT", "INHERIT", "VALUES");
502
503 /* Iterate over all properties */
504 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
505 ZFS_TYPE_DATASET);
506
9babb374
BB		 507 (void) fprintf(fp, "\t%-15s ", "userused@...");
508 (void) fprintf(fp, " NO NO <size>\n");
509 (void) fprintf(fp, "\t%-15s ", "groupused@...");
510 (void) fprintf(fp, " NO NO <size>\n");
9c5167d1
NF		 511 (void) fprintf(fp, "\t%-15s ", "projectused@...");
512 (void) fprintf(fp, " NO NO <size>\n");
513 (void) fprintf(fp, "\t%-15s ", "userobjused@...");
514 (void) fprintf(fp, " NO NO <size>\n");
515 (void) fprintf(fp, "\t%-15s ", "groupobjused@...");
516 (void) fprintf(fp, " NO NO <size>\n");
517 (void) fprintf(fp, "\t%-15s ", "projectobjused@...");
518 (void) fprintf(fp, " NO NO <size>\n");
9babb374
BB		 519 (void) fprintf(fp, "\t%-15s ", "userquota@...");
520 (void) fprintf(fp, "YES NO <size> | none\n");
521 (void) fprintf(fp, "\t%-15s ", "groupquota@...");
522 (void) fprintf(fp, "YES NO <size> | none\n");
9c5167d1
NF		 523 (void) fprintf(fp, "\t%-15s ", "projectquota@...");
524 (void) fprintf(fp, "YES NO <size> | none\n");
525 (void) fprintf(fp, "\t%-15s ", "userobjquota@...");
526 (void) fprintf(fp, "YES NO <size> | none\n");
527 (void) fprintf(fp, "\t%-15s ", "groupobjquota@...");
528 (void) fprintf(fp, "YES NO <size> | none\n");
529 (void) fprintf(fp, "\t%-15s ", "projectobjquota@...");
530 (void) fprintf(fp, "YES NO <size> | none\n");
330d06f9
MA		 531 (void) fprintf(fp, "\t%-15s ", "written@<snap>");
532 (void) fprintf(fp, " NO NO <size>\n");
9babb374 533
34dc7c2f
BB		 534 (void) fprintf(fp, gettext("\nSizes are specified in bytes "
535 "with standard units such as K, M, G, etc.\n"));
b128c09f 536 (void) fprintf(fp, gettext("\nUser-defined properties can "
34dc7c2f 537 "be specified by using a name containing a colon (:).\n"));
9c5167d1
NF		 538 (void) fprintf(fp, gettext("\nThe {user|group|project}"
539 "[obj]{used|quota}@ properties must be appended with\n"
540 "a user|group|project specifier of one of these forms:\n"
9babb374
BB		 541 " POSIX name (eg: \"matt\")\n"
542 " POSIX id (eg: \"126829\")\n"
543 " SMB name@domain (eg: \"matt@sun\")\n"
544 " SMB SID (eg: \"S-1-234-567-89\")\n"));
34dc7c2f 545 } else {
34dc7c2f 546 (void) fprintf(fp,
fb5f0bc8
BB		 547 gettext("\nFor the property list, run: %s\n"),
548 "zfs set|get");
34dc7c2f 549 (void) fprintf(fp,
fb5f0bc8
BB		 550 gettext("\nFor the delegated permission list, run: %s\n"),
551 "zfs allow|unallow");
34dc7c2f
BB		 552 }
553
554 /*
555 * See comments at end of main().
556 */
557 if (getenv("ZFS_ABORT") != NULL) {
558 (void) printf("dumping core by request\n");
559 abort();
560 }
561
562 exit(requested ? 0 : 2);
563}
564
23de906c
CW		 565/*
566 * Take a property=value argument string and add it to the given nvlist.
567 * Modifies the argument inplace.
568 */
a3eeab2d 569static boolean_t
23de906c 570parseprop(nvlist_t *props, char *propname)
b128c09f 571{
a3eeab2d 572 char *propval;
b128c09f
BB		 573
574 if ((propval = strchr(propname, '=')) == NULL) {
575 (void) fprintf(stderr, gettext("missing "
23de906c 576 "'=' for property=value argument\n"));
a3eeab2d 577 return (B_FALSE);
b128c09f
BB		 578 }
579 *propval = '\0';
580 propval++;
a3eeab2d 581 if (nvlist_exists(props, propname)) {
b128c09f
BB		 582 (void) fprintf(stderr, gettext("property '%s' "
583 "specified multiple times\n"), propname);
a3eeab2d 584 return (B_FALSE);
b128c09f 585 }
428870ff
BB		 586 if (nvlist_add_string(props, propname, propval) != 0)
587 nomem();
a3eeab2d 588 return (B_TRUE);
589}
590
591/*
592 * Take a property name argument and add it to the given nvlist.
593 * Modifies the argument inplace.
594 */
595static boolean_t
596parsepropname(nvlist_t *props, char *propname)
597{
598 if (strchr(propname, '=') != NULL) {
599 (void) fprintf(stderr, gettext("invalid character "
600 "'=' in property argument\n"));
601 return (B_FALSE);
602 }
603 if (nvlist_exists(props, propname)) {
604 (void) fprintf(stderr, gettext("property '%s' "
605 "specified multiple times\n"), propname);
606 return (B_FALSE);
607 }
608 if (nvlist_add_boolean(props, propname) != 0)
609 nomem();
610 return (B_TRUE);
b128c09f
BB		 611}
612
9babb374
BB		 613static int
614parse_depth(char *opt, int *flags)
615{
616 char *tmp;
617 int depth;
618
619 depth = (int)strtol(opt, &tmp, 0);
620 if (*tmp) {
621 (void) fprintf(stderr,
622 gettext("%s is not an integer\n"), optarg);
623 usage(B_FALSE);
624 }
625 if (depth < 0) {
626 (void) fprintf(stderr,
627 gettext("Depth can not be negative.\n"));
628 usage(B_FALSE);
629 }
630 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
631 return (depth);
632}
633
428870ff
BB		 634#define PROGRESS_DELAY 2 /* seconds */
635
636static char *pt_reverse = "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b";
637static time_t pt_begin;
638static char *pt_header = NULL;
639static boolean_t pt_shown;
640
641static void
642start_progress_timer(void)
643{
644 pt_begin = time(NULL) + PROGRESS_DELAY;
645 pt_shown = B_FALSE;
646}
647
648static void
649set_progress_header(char *header)
650{
651 assert(pt_header == NULL);
652 pt_header = safe_strdup(header);
653 if (pt_shown) {
654 (void) printf("%s: ", header);
655 (void) fflush(stdout);
656 }
657}
658
659static void
660update_progress(char *update)
661{
662 if (!pt_shown && time(NULL) > pt_begin) {
663 int len = strlen(update);
664
665 (void) printf("%s: %s%*.*s", pt_header, update, len, len,
666 pt_reverse);
667 (void) fflush(stdout);
668 pt_shown = B_TRUE;
669 } else if (pt_shown) {
670 int len = strlen(update);
671
672 (void) printf("%s%*.*s", update, len, len, pt_reverse);
673 (void) fflush(stdout);
674 }
675}
676
677static void
678finish_progress(char *done)
679{
680 if (pt_shown) {
681 (void) printf("%s\n", done);
682 (void) fflush(stdout);
683 }
684 free(pt_header);
685 pt_header = NULL;
686}
d603ed6c 687
5d6a4603
BB		 688static int
689zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type)
690{
691 zfs_handle_t *zhp = NULL;
692 int ret = 0;
693
694 zhp = zfs_open(hdl, dataset, type);
695 if (zhp == NULL)
696 return (1);
697
698 /*
699 * Volumes may neither be mounted or shared. Potentially in the
700 * future filesystems detected on these volumes could be mounted.
701 */
702 if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) {
703 zfs_close(zhp);
704 return (0);
705 }
706
707 /*
708 * Mount and/or share the new filesystem as appropriate. We provide a
709 * verbose error message to let the user know that their filesystem was
710 * in fact created, even if we failed to mount or share it.
711 *
712 * If the user doesn't want the dataset automatically mounted, then
713 * skip the mount/share step
714 */
715 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) &&
716 zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) {
f74b821a
BB		 717 if (geteuid() != 0) {
718 (void) fprintf(stderr, gettext("filesystem "
719 "successfully created, but it may only be "
720 "mounted by root\n"));
721 ret = 1;
722 } else if (zfs_mount(zhp, NULL, 0) != 0) {
5d6a4603
BB		 723 (void) fprintf(stderr, gettext("filesystem "
724 "successfully created, but not mounted\n"));
725 ret = 1;
726 } else if (zfs_share(zhp) != 0) {
727 (void) fprintf(stderr, gettext("filesystem "
728 "successfully created, but not shared\n"));
729 ret = 1;
730 }
731 }
732
733 zfs_close(zhp);
734
735 return (ret);
736}
737
34dc7c2f 738/*
b128c09f 739 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
34dc7c2f
BB		 740 *
741 * Given an existing dataset, create a writable copy whose initial contents
742 * are the same as the source. The newly created dataset maintains a
743 * dependency on the original; the original cannot be destroyed so long as
744 * the clone exists.
745 *
746 * The '-p' flag creates all the non-existing ancestors of the target first.
747 */
748static int
749zfs_do_clone(int argc, char **argv)
750{
b128c09f 751 zfs_handle_t *zhp = NULL;
34dc7c2f 752 boolean_t parents = B_FALSE;
b128c09f 753 nvlist_t *props;
ad60af8e 754 int ret = 0;
34dc7c2f
BB		 755 int c;
756
428870ff
BB		 757 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
758 nomem();
b128c09f 759
34dc7c2f 760 /* check options */
b128c09f 761 while ((c = getopt(argc, argv, "o:p")) != -1) {
34dc7c2f 762 switch (c) {
b128c09f 763 case 'o':
a3eeab2d 764 if (!parseprop(props, optarg)) {
a425f5bf 765 nvlist_free(props);
b128c09f 766 return (1);
a425f5bf 767 }
b128c09f 768 break;
34dc7c2f
BB		 769 case 'p':
770 parents = B_TRUE;
771 break;
772 case '?':
773 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
774 optopt);
b128c09f 775 goto usage;
34dc7c2f
BB		 776 }
777 }
778
779 argc -= optind;
780 argv += optind;
781
782 /* check number of arguments */
783 if (argc < 1) {
784 (void) fprintf(stderr, gettext("missing source dataset "
785 "argument\n"));
b128c09f 786 goto usage;
34dc7c2f
BB		 787 }
788 if (argc < 2) {
789 (void) fprintf(stderr, gettext("missing target dataset "
790 "argument\n"));
b128c09f 791 goto usage;
34dc7c2f
BB		 792 }
793 if (argc > 2) {
794 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 795 goto usage;
34dc7c2f
BB		 796 }
797
798 /* open the source dataset */
a425f5bf 799 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) {
800 nvlist_free(props);
34dc7c2f 801 return (1);
a425f5bf 802 }
34dc7c2f
BB		 803
804 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
805 ZFS_TYPE_VOLUME)) {
806 /*
807 * Now create the ancestors of the target dataset. If the
808 * target already exists and '-p' option was used we should not
809 * complain.
810 */
811 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
a425f5bf 812 ZFS_TYPE_VOLUME)) {
813 zfs_close(zhp);
814 nvlist_free(props);
34dc7c2f 815 return (0);
a425f5bf 816 }
817 if (zfs_create_ancestors(g_zfs, argv[1]) != 0) {
818 zfs_close(zhp);
819 nvlist_free(props);
34dc7c2f 820 return (1);
a425f5bf 821 }
34dc7c2f
BB		 822 }
823
824 /* pass to libzfs */
b128c09f 825 ret = zfs_clone(zhp, argv[1], props);
34dc7c2f
BB		 826
827 /* create the mountpoint if necessary */
828 if (ret == 0) {
fb8e608d
TC		 829 if (log_history) {
830 (void) zpool_log_history(g_zfs, history_str);
831 log_history = B_FALSE;
832 }
833
5d6a4603 834 ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET);
34dc7c2f
BB		 835 }
836
837 zfs_close(zhp);
b128c09f 838 nvlist_free(props);
34dc7c2f 839
b128c09f
BB		 840 return (!!ret);
841
842usage:
ced28193 843 ASSERT3P(zhp, ==, NULL);
b128c09f
BB		 844 nvlist_free(props);
845 usage(B_FALSE);
846 return (-1);
34dc7c2f
BB		 847}
848
849/*
850 * zfs create [-p] [-o prop=value] ... fs
851 * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size
852 *
853 * Create a new dataset. This command can be used to create filesystems
854 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
855 * For volumes, the user must specify a size to be used.
856 *
857 * The '-s' flag applies only to volumes, and indicates that we should not try
858 * to set the reservation for this volume. By default we set a reservation
859 * equal to the size for any volume. For pools with SPA_VERSION >=
860 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
861 *
862 * The '-p' flag creates all the non-existing ancestors of the target first.
863 */
864static int
865zfs_do_create(int argc, char **argv)
866{
867 zfs_type_t type = ZFS_TYPE_FILESYSTEM;
d4ed6673 868 uint64_t volsize = 0;
34dc7c2f
BB		 869 int c;
870 boolean_t noreserve = B_FALSE;
871 boolean_t bflag = B_FALSE;
872 boolean_t parents = B_FALSE;
873 int ret = 1;
b128c09f 874 nvlist_t *props;
34dc7c2f 875 uint64_t intval;
34dc7c2f 876
428870ff
BB		 877 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
878 nomem();
34dc7c2f
BB		 879
880 /* check options */
881 while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) {
882 switch (c) {
883 case 'V':
884 type = ZFS_TYPE_VOLUME;
885 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
886 (void) fprintf(stderr, gettext("bad volume "
887 "size '%s': %s\n"), optarg,
888 libzfs_error_description(g_zfs));
889 goto error;
890 }
891
892 if (nvlist_add_uint64(props,
428870ff
BB		 893 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
894 nomem();
34dc7c2f
BB		 895 volsize = intval;
896 break;
897 case 'p':
898 parents = B_TRUE;
899 break;
900 case 'b':
901 bflag = B_TRUE;
902 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
903 (void) fprintf(stderr, gettext("bad volume "
904 "block size '%s': %s\n"), optarg,
905 libzfs_error_description(g_zfs));
906 goto error;
907 }
908
909 if (nvlist_add_uint64(props,
910 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
428870ff
BB		 911 intval) != 0)
912 nomem();
34dc7c2f
BB		 913 break;
914 case 'o':
a3eeab2d 915 if (!parseprop(props, optarg))
34dc7c2f 916 goto error;
34dc7c2f
BB		 917 break;
918 case 's':
919 noreserve = B_TRUE;
920 break;
921 case ':':
922 (void) fprintf(stderr, gettext("missing size "
923 "argument\n"));
924 goto badusage;
34dc7c2f
BB		 925 case '?':
926 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
927 optopt);
928 goto badusage;
929 }
930 }
931
932 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
933 (void) fprintf(stderr, gettext("'-s' and '-b' can only be "
934 "used when creating a volume\n"));
935 goto badusage;
936 }
937
938 argc -= optind;
939 argv += optind;
940
941 /* check number of arguments */
942 if (argc == 0) {
943 (void) fprintf(stderr, gettext("missing %s argument\n"),
944 zfs_type_to_name(type));
945 goto badusage;
946 }
947 if (argc > 1) {
948 (void) fprintf(stderr, gettext("too many arguments\n"));
949 goto badusage;
950 }
951
952 if (type == ZFS_TYPE_VOLUME && !noreserve) {
953 zpool_handle_t *zpool_handle;
59d4c71c 954 nvlist_t *real_props = NULL;
34dc7c2f
BB		 955 uint64_t spa_version;
956 char *p;
957 zfs_prop_t resv_prop;
b128c09f 958 char *strval;
59d4c71c 959 char msg[1024];
34dc7c2f 960
648a09ad 961 if ((p = strchr(argv[0], '/')) != NULL)
34dc7c2f
BB		 962 *p = '\0';
963 zpool_handle = zpool_open(g_zfs, argv[0]);
964 if (p != NULL)
965 *p = '/';
966 if (zpool_handle == NULL)
967 goto error;
968 spa_version = zpool_get_prop_int(zpool_handle,
969 ZPOOL_PROP_VERSION, NULL);
34dc7c2f
BB		 970 if (spa_version >= SPA_VERSION_REFRESERVATION)
971 resv_prop = ZFS_PROP_REFRESERVATION;
972 else
973 resv_prop = ZFS_PROP_RESERVATION;
59d4c71c
GW		 974
975 (void) snprintf(msg, sizeof (msg),
976 gettext("cannot create '%s'"), argv[0]);
977 if (props && (real_props = zfs_valid_proplist(g_zfs, type,
b5256303 978 props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) {
82f6f6e6 979 zpool_close(zpool_handle);
59d4c71c 980 goto error;
82f6f6e6
JS		 981 }
982 zpool_close(zpool_handle);
59d4c71c
GW		 983
984 volsize = zvol_volsize_to_reservation(volsize, real_props);
985 nvlist_free(real_props);
34dc7c2f
BB		 986
987 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
988 &strval) != 0) {
989 if (nvlist_add_uint64(props,
990 zfs_prop_to_name(resv_prop), volsize) != 0) {
34dc7c2f 991 nvlist_free(props);
428870ff 992 nomem();
34dc7c2f
BB		 993 }
994 }
995 }
996
997 if (parents && zfs_name_valid(argv[0], type)) {
998 /*
999 * Now create the ancestors of target dataset. If the target
1000 * already exists and '-p' option was used we should not
1001 * complain.
1002 */
1003 if (zfs_dataset_exists(g_zfs, argv[0], type)) {
1004 ret = 0;
1005 goto error;
1006 }
1007 if (zfs_create_ancestors(g_zfs, argv[0]) != 0)
1008 goto error;
1009 }
1010
1011 /* pass to libzfs */
1012 if (zfs_create(g_zfs, argv[0], type, props) != 0)
1013 goto error;
1014
fb8e608d
TC		 1015 if (log_history) {
1016 (void) zpool_log_history(g_zfs, history_str);
1017 log_history = B_FALSE;
1018 }
1019
5d6a4603 1020 ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET);
34dc7c2f 1021error:
34dc7c2f
BB		 1022 nvlist_free(props);
1023 return (ret);
1024badusage:
1025 nvlist_free(props);
1026 usage(B_FALSE);
1027 return (2);
1028}
1029
1030/*
428870ff
BB		 1031 * zfs destroy [-rRf] <fs, vol>
1032 * zfs destroy [-rRd] <snap>
34dc7c2f 1033 *
428870ff
BB		 1034 * -r Recursively destroy all children
1035 * -R Recursively destroy all dependents, including clones
1036 * -f Force unmounting of any dependents
45d1cae3 1037 * -d If we can't destroy now, mark for deferred destruction
34dc7c2f
BB		 1038 *
1039 * Destroys the given dataset. By default, it will unmount any filesystems,
1040 * and refuse to destroy a dataset that has any dependents. A dependent can
1041 * either be a child, or a clone of a child.
1042 */
1043typedef struct destroy_cbdata {
1044 boolean_t cb_first;
330d06f9
MA		 1045 boolean_t cb_force;
1046 boolean_t cb_recurse;
1047 boolean_t cb_error;
1048 boolean_t cb_doclones;
34dc7c2f 1049 zfs_handle_t *cb_target;
45d1cae3 1050 boolean_t cb_defer_destroy;
330d06f9
MA		 1051 boolean_t cb_verbose;
1052 boolean_t cb_parsable;
1053 boolean_t cb_dryrun;
1054 nvlist_t *cb_nvl;
13fe0198 1055 nvlist_t *cb_batchedsnaps;
330d06f9
MA		 1056
1057 /* first snap in contiguous run */
6f1ffb06 1058 char *cb_firstsnap;
330d06f9 1059 /* previous snap in contiguous run */
6f1ffb06 1060 char *cb_prevsnap;
330d06f9
MA		 1061 int64_t cb_snapused;
1062 char *cb_snapspec;
da536844 1063 char *cb_bookmark;
83362e8e 1064 uint64_t cb_snap_count;
34dc7c2f
BB		 1065} destroy_cbdata_t;
1066
1067/*
1068 * Check for any dependents based on the '-r' or '-R' flags.
1069 */
1070static int
1071destroy_check_dependent(zfs_handle_t *zhp, void *data)
1072{
1073 destroy_cbdata_t *cbp = data;
1074 const char *tname = zfs_get_name(cbp->cb_target);
1075 const char *name = zfs_get_name(zhp);
1076
1077 if (strncmp(tname, name, strlen(tname)) == 0 &&
1078 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
1079 /*
1080 * This is a direct descendant, not a clone somewhere else in
1081 * the hierarchy.
1082 */
1083 if (cbp->cb_recurse)
1084 goto out;
1085
1086 if (cbp->cb_first) {
1087 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1088 "%s has children\n"),
1089 zfs_get_name(cbp->cb_target),
1090 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1091 (void) fprintf(stderr, gettext("use '-r' to destroy "
1092 "the following datasets:\n"));
1093 cbp->cb_first = B_FALSE;
330d06f9 1094 cbp->cb_error = B_TRUE;
34dc7c2f
BB		 1095 }
1096
1097 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1098 } else {
1099 /*
1100 * This is a clone. We only want to report this if the '-r'
1101 * wasn't specified, or the target is a snapshot.
1102 */
1103 if (!cbp->cb_recurse &&
1104 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
1105 goto out;
1106
1107 if (cbp->cb_first) {
1108 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1109 "%s has dependent clones\n"),
1110 zfs_get_name(cbp->cb_target),
1111 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
1112 (void) fprintf(stderr, gettext("use '-R' to destroy "
1113 "the following datasets:\n"));
1114 cbp->cb_first = B_FALSE;
330d06f9
MA		 1115 cbp->cb_error = B_TRUE;
1116 cbp->cb_dryrun = B_TRUE;
34dc7c2f
BB		 1117 }
1118
1119 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
1120 }
1121
1122out:
1123 zfs_close(zhp);
1124 return (0);
1125}
1126
83362e8e
PZ		 1127static int
1128destroy_batched(destroy_cbdata_t *cb)
1129{
1130 int error = zfs_destroy_snaps_nvl(g_zfs,
1131 cb->cb_batchedsnaps, B_FALSE);
1132 fnvlist_free(cb->cb_batchedsnaps);
1133 cb->cb_batchedsnaps = fnvlist_alloc();
1134 return (error);
1135}
1136
34dc7c2f
BB		 1137static int
1138destroy_callback(zfs_handle_t *zhp, void *data)
1139{
330d06f9
MA		 1140 destroy_cbdata_t *cb = data;
1141 const char *name = zfs_get_name(zhp);
83362e8e 1142 int error;
330d06f9
MA		 1143
1144 if (cb->cb_verbose) {
1145 if (cb->cb_parsable) {
1146 (void) printf("destroy\t%s\n", name);
1147 } else if (cb->cb_dryrun) {
1148 (void) printf(gettext("would destroy %s\n"),
1149 name);
1150 } else {
1151 (void) printf(gettext("will destroy %s\n"),
1152 name);
1153 }
1154 }
34dc7c2f
BB		 1155
1156 /*
1157 * Ignore pools (which we've already flagged as an error before getting
428870ff 1158 * here).
34dc7c2f
BB		 1159 */
1160 if (strchr(zfs_get_name(zhp), '/') == NULL &&
1161 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1162 zfs_close(zhp);
1163 return (0);
1164 }
13fe0198
MA		 1165 if (cb->cb_dryrun) {
1166 zfs_close(zhp);
1167 return (0);
1168 }
1169
1170 /*
1171 * We batch up all contiguous snapshots (even of different
1172 * filesystems) and destroy them with one ioctl. We can't
1173 * simply do all snap deletions and then all fs deletions,
1174 * because we must delete a clone before its origin.
1175 */
1176 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
83362e8e 1177 cb->cb_snap_count++;
13fe0198 1178 fnvlist_add_boolean(cb->cb_batchedsnaps, name);
83362e8e
PZ		 1179 if (cb->cb_snap_count % 10 == 0 && cb->cb_defer_destroy)
1180 error = destroy_batched(cb);
13fe0198 1181 } else {
83362e8e 1182 error = destroy_batched(cb);
13fe0198
MA		 1183 if (error != 0 ||
1184 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
330d06f9
MA		 1185 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
1186 zfs_close(zhp);
1187 return (-1);
1188 }
34dc7c2f
BB		 1189 }
1190
1191 zfs_close(zhp);
1192 return (0);
1193}
1194
1195static int
330d06f9 1196destroy_print_cb(zfs_handle_t *zhp, void *arg)
34dc7c2f 1197{
330d06f9
MA		 1198 destroy_cbdata_t *cb = arg;
1199 const char *name = zfs_get_name(zhp);
1200 int err = 0;
1201
1202 if (nvlist_exists(cb->cb_nvl, name)) {
1203 if (cb->cb_firstsnap == NULL)
6f1ffb06 1204 cb->cb_firstsnap = strdup(name);
330d06f9 1205 if (cb->cb_prevsnap != NULL)
6f1ffb06 1206 free(cb->cb_prevsnap);
330d06f9 1207 /* this snap continues the current range */
6f1ffb06
MA		 1208 cb->cb_prevsnap = strdup(name);
1209 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
1210 nomem();
330d06f9
MA		 1211 if (cb->cb_verbose) {
1212 if (cb->cb_parsable) {
1213 (void) printf("destroy\t%s\n", name);
1214 } else if (cb->cb_dryrun) {
1215 (void) printf(gettext("would destroy %s\n"),
1216 name);
1217 } else {
1218 (void) printf(gettext("will destroy %s\n"),
1219 name);
1220 }
34dc7c2f 1221 }
330d06f9
MA		 1222 } else if (cb->cb_firstsnap != NULL) {
1223 /* end of this range */
1224 uint64_t used = 0;
6f1ffb06 1225 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1226 cb->cb_prevsnap, &used);
1227 cb->cb_snapused += used;
6f1ffb06 1228 free(cb->cb_firstsnap);
330d06f9 1229 cb->cb_firstsnap = NULL;
6f1ffb06 1230 free(cb->cb_prevsnap);
330d06f9 1231 cb->cb_prevsnap = NULL;
34dc7c2f 1232 }
330d06f9
MA		 1233 zfs_close(zhp);
1234 return (err);
1235}
34dc7c2f 1236
330d06f9
MA		 1237static int
1238destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
1239{
1240 int err;
1241 assert(cb->cb_firstsnap == NULL);
1242 assert(cb->cb_prevsnap == NULL);
1243 err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb);
1244 if (cb->cb_firstsnap != NULL) {
1245 uint64_t used = 0;
1246 if (err == 0) {
6f1ffb06 1247 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1248 cb->cb_prevsnap, &used);
1249 }
1250 cb->cb_snapused += used;
6f1ffb06 1251 free(cb->cb_firstsnap);
330d06f9 1252 cb->cb_firstsnap = NULL;
6f1ffb06 1253 free(cb->cb_prevsnap);
330d06f9
MA		 1254 cb->cb_prevsnap = NULL;
1255 }
1256 return (err);
1257}
1258
1259static int
1260snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
1261{
1262 destroy_cbdata_t *cb = arg;
1263 int err = 0;
1264
1265 /* Check for clones. */
e956d651 1266 if (!cb->cb_doclones && !cb->cb_defer_destroy) {
330d06f9
MA		 1267 cb->cb_target = zhp;
1268 cb->cb_first = B_TRUE;
1269 err = zfs_iter_dependents(zhp, B_TRUE,
1270 destroy_check_dependent, cb);
1271 }
1272
1273 if (err == 0) {
1274 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
1275 nomem();
1276 }
1277 zfs_close(zhp);
1278 return (err);
1279}
1280
1281static int
1282gather_snapshots(zfs_handle_t *zhp, void *arg)
1283{
1284 destroy_cbdata_t *cb = arg;
1285 int err = 0;
1286
1287 err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb);
1288 if (err == ENOENT)
1289 err = 0;
1290 if (err != 0)
1291 goto out;
1292
1293 if (cb->cb_verbose) {
1294 err = destroy_print_snapshots(zhp, cb);
1295 if (err != 0)
1296 goto out;
1297 }
1298
1299 if (cb->cb_recurse)
1300 err = zfs_iter_filesystems(zhp, gather_snapshots, cb);
1301
1302out:
1303 zfs_close(zhp);
1304 return (err);
1305}
1306
1307static int
1308destroy_clones(destroy_cbdata_t *cb)
1309{
1310 nvpair_t *pair;
1311 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
1312 pair != NULL;
1313 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
1314 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
1315 ZFS_TYPE_SNAPSHOT);
1316 if (zhp != NULL) {
1317 boolean_t defer = cb->cb_defer_destroy;
1318 int err;
1319
1320 /*
1321 * We can't defer destroy non-snapshots, so set it to
1322 * false while destroying the clones.
1323 */
1324 cb->cb_defer_destroy = B_FALSE;
1325 err = zfs_iter_dependents(zhp, B_FALSE,
1326 destroy_callback, cb);
1327 cb->cb_defer_destroy = defer;
1328 zfs_close(zhp);
1329 if (err != 0)
1330 return (err);
1331 }
1332 }
1333 return (0);
34dc7c2f
BB		 1334}
1335
1336static int
1337zfs_do_destroy(int argc, char **argv)
1338{
1339 destroy_cbdata_t cb = { 0 };
13fe0198
MA		 1340 int rv = 0;
1341 int err = 0;
34dc7c2f 1342 int c;
13fe0198 1343 zfs_handle_t *zhp = NULL;
da536844 1344 char *at, *pound;
428870ff 1345 zfs_type_t type = ZFS_TYPE_DATASET;
34dc7c2f
BB		 1346
1347 /* check options */
330d06f9 1348 while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
34dc7c2f 1349 switch (c) {
330d06f9
MA		 1350 case 'v':
1351 cb.cb_verbose = B_TRUE;
1352 break;
1353 case 'p':
1354 cb.cb_verbose = B_TRUE;
1355 cb.cb_parsable = B_TRUE;
1356 break;
1357 case 'n':
1358 cb.cb_dryrun = B_TRUE;
1359 break;
45d1cae3
BB		 1360 case 'd':
1361 cb.cb_defer_destroy = B_TRUE;
428870ff 1362 type = ZFS_TYPE_SNAPSHOT;
45d1cae3 1363 break;
34dc7c2f 1364 case 'f':
330d06f9 1365 cb.cb_force = B_TRUE;
34dc7c2f
BB		 1366 break;
1367 case 'r':
330d06f9 1368 cb.cb_recurse = B_TRUE;
34dc7c2f
BB		 1369 break;
1370 case 'R':
330d06f9
MA		 1371 cb.cb_recurse = B_TRUE;
1372 cb.cb_doclones = B_TRUE;
34dc7c2f
BB		 1373 break;
1374 case '?':
1375 default:
1376 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1377 optopt);
1378 usage(B_FALSE);
1379 }
1380 }
1381
1382 argc -= optind;
1383 argv += optind;
1384
1385 /* check number of arguments */
1386 if (argc == 0) {
330d06f9 1387 (void) fprintf(stderr, gettext("missing dataset argument\n"));
34dc7c2f
BB		 1388 usage(B_FALSE);
1389 }
1390 if (argc > 1) {
1391 (void) fprintf(stderr, gettext("too many arguments\n"));
1392 usage(B_FALSE);
1393 }
1394
330d06f9 1395 at = strchr(argv[0], '@');
da536844 1396 pound = strchr(argv[0], '#');
330d06f9 1397 if (at != NULL) {
34dc7c2f 1398
330d06f9 1399 /* Build the list of snaps to destroy in cb_nvl. */
13fe0198 1400 cb.cb_nvl = fnvlist_alloc();
330d06f9
MA		 1401
1402 *at = '\0';
1403 zhp = zfs_open(g_zfs, argv[0],
1404 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 1405 if (zhp == NULL) {
1406 nvlist_free(cb.cb_nvl);
34dc7c2f 1407 return (1);
a425f5bf 1408 }
34dc7c2f 1409
330d06f9
MA		 1410 cb.cb_snapspec = at + 1;
1411 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
1412 cb.cb_error) {
13fe0198
MA		 1413 rv = 1;
1414 goto out;
330d06f9 1415 }
428870ff 1416
330d06f9
MA		 1417 if (nvlist_empty(cb.cb_nvl)) {
1418 (void) fprintf(stderr, gettext("could not find any "
1419 "snapshots to destroy; check snapshot names.\n"));
13fe0198
MA		 1420 rv = 1;
1421 goto out;
330d06f9
MA		 1422 }
1423
1424 if (cb.cb_verbose) {
1425 char buf[16];
e7fbeb60 1426 zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf));
330d06f9
MA		 1427 if (cb.cb_parsable) {
1428 (void) printf("reclaim\t%llu\n",
1429 (u_longlong_t)cb.cb_snapused);
1430 } else if (cb.cb_dryrun) {
1431 (void) printf(gettext("would reclaim %s\n"),
1432 buf);
1433 } else {
1434 (void) printf(gettext("will reclaim %s\n"),
1435 buf);
34dc7c2f
BB		 1436 }
1437 }
1438
330d06f9 1439 if (!cb.cb_dryrun) {
13fe0198
MA		 1440 if (cb.cb_doclones) {
1441 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9 1442 err = destroy_clones(&cb);
13fe0198
MA		 1443 if (err == 0) {
1444 err = zfs_destroy_snaps_nvl(g_zfs,
1445 cb.cb_batchedsnaps, B_FALSE);
1446 }
1447 if (err != 0) {
1448 rv = 1;
1449 goto out;
1450 }
1451 }
330d06f9 1452 if (err == 0) {
13fe0198 1453 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
330d06f9
MA		 1454 cb.cb_defer_destroy);
1455 }
34dc7c2f 1456 }
34dc7c2f 1457
330d06f9 1458 if (err != 0)
13fe0198 1459 rv = 1;
da536844
MA		 1460 } else if (pound != NULL) {
1461 int err;
1462 nvlist_t *nvl;
1463
1464 if (cb.cb_dryrun) {
1465 (void) fprintf(stderr,
1466 "dryrun is not supported with bookmark\n");
1467 return (-1);
1468 }
1469
1470 if (cb.cb_defer_destroy) {
1471 (void) fprintf(stderr,
1472 "defer destroy is not supported with bookmark\n");
1473 return (-1);
1474 }
1475
1476 if (cb.cb_recurse) {
1477 (void) fprintf(stderr,
1478 "recursive is not supported with bookmark\n");
1479 return (-1);
1480 }
1481
1482 if (!zfs_bookmark_exists(argv[0])) {
1483 (void) fprintf(stderr, gettext("bookmark '%s' "
1484 "does not exist.\n"), argv[0]);
1485 return (1);
1486 }
1487
1488 nvl = fnvlist_alloc();
1489 fnvlist_add_boolean(nvl, argv[0]);
1490
1491 err = lzc_destroy_bookmarks(nvl, NULL);
1492 if (err != 0) {
1493 (void) zfs_standard_error(g_zfs, err,
1494 "cannot destroy bookmark");
1495 }
1496
a425f5bf 1497 nvlist_free(nvl);
da536844
MA		 1498
1499 return (err);
330d06f9
MA		 1500 } else {
1501 /* Open the given dataset */
1502 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
1503 return (1);
34dc7c2f 1504
330d06f9 1505 cb.cb_target = zhp;
34dc7c2f 1506
330d06f9
MA		 1507 /*
1508 * Perform an explicit check for pools before going any further.
1509 */
1510 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
1511 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1512 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1513 "operation does not apply to pools\n"),
1514 zfs_get_name(zhp));
1515 (void) fprintf(stderr, gettext("use 'zfs destroy -r "
1516 "%s' to destroy all datasets in the pool\n"),
1517 zfs_get_name(zhp));
1518 (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
1519 "to destroy the pool itself\n"), zfs_get_name(zhp));
13fe0198
MA		 1520 rv = 1;
1521 goto out;
330d06f9 1522 }
34dc7c2f 1523
330d06f9
MA		 1524 /*
1525 * Check for any dependents and/or clones.
1526 */
1527 cb.cb_first = B_TRUE;
1528 if (!cb.cb_doclones &&
1529 zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
1530 &cb) != 0) {
13fe0198
MA		 1531 rv = 1;
1532 goto out;
330d06f9 1533 }
34dc7c2f 1534
330d06f9 1535 if (cb.cb_error) {
13fe0198
MA		 1536 rv = 1;
1537 goto out;
330d06f9 1538 }
13fe0198 1539 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9
MA		 1540 if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback,
1541 &cb) != 0) {
13fe0198
MA		 1542 rv = 1;
1543 goto out;
330d06f9 1544 }
34dc7c2f 1545
330d06f9
MA		 1546 /*
1547 * Do the real thing. The callback will close the
1548 * handle regardless of whether it succeeds or not.
1549 */
13fe0198
MA		 1550 err = destroy_callback(zhp, &cb);
1551 zhp = NULL;
1552 if (err == 0) {
1553 err = zfs_destroy_snaps_nvl(g_zfs,
1554 cb.cb_batchedsnaps, cb.cb_defer_destroy);
1555 }
1556 if (err != 0)
1557 rv = 1;
330d06f9 1558 }
34dc7c2f 1559
13fe0198
MA		 1560out:
1561 fnvlist_free(cb.cb_batchedsnaps);
1562 fnvlist_free(cb.cb_nvl);
1563 if (zhp != NULL)
1564 zfs_close(zhp);
1565 return (rv);
34dc7c2f
BB		 1566}
1567
428870ff
BB		 1568static boolean_t
1569is_recvd_column(zprop_get_cbdata_t *cbp)
1570{
1571 int i;
1572 zfs_get_column_t col;
1573
1574 for (i = 0; i < ZFS_GET_NCOLS &&
1575 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
1576 if (col == GET_COL_RECVD)
1577 return (B_TRUE);
1578 return (B_FALSE);
1579}
1580
34dc7c2f 1581/*
428870ff
BB		 1582 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1583 * < all | property[,property]... > < fs | snap | vol > ...
34dc7c2f
BB		 1584 *
1585 * -r recurse over any child datasets
1586 * -H scripted mode. Headers are stripped, and fields are separated
1587 * by tabs instead of spaces.
428870ff
BB		 1588 * -o Set of fields to display. One of "name,property,value,
1589 * received,source". Default is "name,property,value,source".
1590 * "all" is an alias for all five.
34dc7c2f 1591 * -s Set of sources to allow. One of
428870ff
BB		 1592 * "local,default,inherited,received,temporary,none". Default is
1593 * all six.
34dc7c2f
BB		 1594 * -p Display values in parsable (literal) format.
1595 *
1596 * Prints properties for the given datasets. The user can control which
1597 * columns to display as well as which property types to allow.
1598 */
1599
1600/*
1601 * Invoked to display the properties for a single dataset.
1602 */
1603static int
1604get_callback(zfs_handle_t *zhp, void *data)
1605{
1606 char buf[ZFS_MAXPROPLEN];
428870ff 1607 char rbuf[ZFS_MAXPROPLEN];
34dc7c2f 1608 zprop_source_t sourcetype;
eca7b760 1609 char source[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f 1610 zprop_get_cbdata_t *cbp = data;
428870ff 1611 nvlist_t *user_props = zfs_get_user_props(zhp);
34dc7c2f
BB		 1612 zprop_list_t *pl = cbp->cb_proplist;
1613 nvlist_t *propval;
1614 char *strval;
1615 char *sourceval;
428870ff 1616 boolean_t received = is_recvd_column(cbp);
34dc7c2f
BB		 1617
1618 for (; pl != NULL; pl = pl->pl_next) {
428870ff 1619 char *recvdval = NULL;
34dc7c2f
BB		 1620 /*
1621 * Skip the special fake placeholder. This will also skip over
1622 * the name property when 'all' is specified.
1623 */
1624 if (pl->pl_prop == ZFS_PROP_NAME &&
1625 pl == cbp->cb_proplist)
1626 continue;
1627
1628 if (pl->pl_prop != ZPROP_INVAL) {
1629 if (zfs_prop_get(zhp, pl->pl_prop, buf,
1630 sizeof (buf), &sourcetype, source,
1631 sizeof (source),
1632 cbp->cb_literal) != 0) {
1633 if (pl->pl_all)
1634 continue;
1635 if (!zfs_prop_valid_for_type(pl->pl_prop,
962d5242 1636 ZFS_TYPE_DATASET, B_FALSE)) {
34dc7c2f
BB		 1637 (void) fprintf(stderr,
1638 gettext("No such property '%s'\n"),
1639 zfs_prop_to_name(pl->pl_prop));
1640 continue;
1641 }
1642 sourcetype = ZPROP_SRC_NONE;
1643 (void) strlcpy(buf, "-", sizeof (buf));
1644 }
1645
428870ff
BB		 1646 if (received && (zfs_prop_get_recvd(zhp,
1647 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
1648 cbp->cb_literal) == 0))
1649 recvdval = rbuf;
1650
34dc7c2f
BB		 1651 zprop_print_one_property(zfs_get_name(zhp), cbp,
1652 zfs_prop_to_name(pl->pl_prop),
428870ff 1653 buf, sourcetype, source, recvdval);
9babb374
BB		 1654 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
1655 sourcetype = ZPROP_SRC_LOCAL;
1656
1657 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
1658 buf, sizeof (buf), cbp->cb_literal) != 0) {
1659 sourcetype = ZPROP_SRC_NONE;
1660 (void) strlcpy(buf, "-", sizeof (buf));
1661 }
1662
330d06f9
MA		 1663 zprop_print_one_property(zfs_get_name(zhp), cbp,
1664 pl->pl_user_prop, buf, sourcetype, source, NULL);
1665 } else if (zfs_prop_written(pl->pl_user_prop)) {
1666 sourcetype = ZPROP_SRC_LOCAL;
1667
1668 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
1669 buf, sizeof (buf), cbp->cb_literal) != 0) {
1670 sourcetype = ZPROP_SRC_NONE;
1671 (void) strlcpy(buf, "-", sizeof (buf));
1672 }
1673
9babb374 1674 zprop_print_one_property(zfs_get_name(zhp), cbp,
428870ff 1675 pl->pl_user_prop, buf, sourcetype, source, NULL);
34dc7c2f 1676 } else {
428870ff 1677 if (nvlist_lookup_nvlist(user_props,
34dc7c2f
BB		 1678 pl->pl_user_prop, &propval) != 0) {
1679 if (pl->pl_all)
1680 continue;
1681 sourcetype = ZPROP_SRC_NONE;
1682 strval = "-";
1683 } else {
1684 verify(nvlist_lookup_string(propval,
1685 ZPROP_VALUE, &strval) == 0);
1686 verify(nvlist_lookup_string(propval,
1687 ZPROP_SOURCE, &sourceval) == 0);
1688
1689 if (strcmp(sourceval,
1690 zfs_get_name(zhp)) == 0) {
1691 sourcetype = ZPROP_SRC_LOCAL;
428870ff
BB		 1692 } else if (strcmp(sourceval,
1693 ZPROP_SOURCE_VAL_RECVD) == 0) {
1694 sourcetype = ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1695 } else {
1696 sourcetype = ZPROP_SRC_INHERITED;
1697 (void) strlcpy(source,
1698 sourceval, sizeof (source));
1699 }
1700 }
1701
428870ff
BB		 1702 if (received && (zfs_prop_get_recvd(zhp,
1703 pl->pl_user_prop, rbuf, sizeof (rbuf),
1704 cbp->cb_literal) == 0))
1705 recvdval = rbuf;
1706
34dc7c2f
BB		 1707 zprop_print_one_property(zfs_get_name(zhp), cbp,
1708 pl->pl_user_prop, strval, sourcetype,
428870ff 1709 source, recvdval);
34dc7c2f
BB		 1710 }
1711 }
1712
1713 return (0);
1714}
1715
1716static int
1717zfs_do_get(int argc, char **argv)
1718{
1719 zprop_get_cbdata_t cb = { 0 };
bb939d10 1720 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
aeacdefe 1721 int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK;
34dc7c2f 1722 char *value, *fields;
ad60af8e 1723 int ret = 0;
9babb374 1724 int limit = 0;
34dc7c2f
BB		 1725 zprop_list_t fake_name = { 0 };
1726
1727 /*
1728 * Set up default columns and sources.
1729 */
1730 cb.cb_sources = ZPROP_SRC_ALL;
1731 cb.cb_columns[0] = GET_COL_NAME;
1732 cb.cb_columns[1] = GET_COL_PROPERTY;
1733 cb.cb_columns[2] = GET_COL_VALUE;
1734 cb.cb_columns[3] = GET_COL_SOURCE;
1735 cb.cb_type = ZFS_TYPE_DATASET;
1736
1737 /* check options */
e346ec25 1738 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
34dc7c2f
BB		 1739 switch (c) {
1740 case 'p':
1741 cb.cb_literal = B_TRUE;
1742 break;
9babb374
BB		 1743 case 'd':
1744 limit = parse_depth(optarg, &flags);
1745 break;
34dc7c2f 1746 case 'r':
b128c09f 1747 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 1748 break;
1749 case 'H':
1750 cb.cb_scripted = B_TRUE;
1751 break;
1752 case ':':
1753 (void) fprintf(stderr, gettext("missing argument for "
1754 "'%c' option\n"), optopt);
1755 usage(B_FALSE);
1756 break;
1757 case 'o':
1758 /*
1759 * Process the set of columns to display. We zero out
1760 * the structure to give us a blank slate.
1761 */
1762 bzero(&cb.cb_columns, sizeof (cb.cb_columns));
1763 i = 0;
1764 while (*optarg != '\0') {
1765 static char *col_subopts[] =
428870ff
BB		 1766 { "name", "property", "value", "received",
1767 "source", "all", NULL };
34dc7c2f 1768
428870ff 1769 if (i == ZFS_GET_NCOLS) {
34dc7c2f
BB		 1770 (void) fprintf(stderr, gettext("too "
1771 "many fields given to -o "
1772 "option\n"));
1773 usage(B_FALSE);
1774 }
1775
1776 switch (getsubopt(&optarg, col_subopts,
1777 &value)) {
1778 case 0:
1779 cb.cb_columns[i++] = GET_COL_NAME;
1780 break;
1781 case 1:
1782 cb.cb_columns[i++] = GET_COL_PROPERTY;
1783 break;
1784 case 2:
1785 cb.cb_columns[i++] = GET_COL_VALUE;
1786 break;
1787 case 3:
428870ff
BB		 1788 cb.cb_columns[i++] = GET_COL_RECVD;
1789 flags |= ZFS_ITER_RECVD_PROPS;
1790 break;
1791 case 4:
34dc7c2f
BB		 1792 cb.cb_columns[i++] = GET_COL_SOURCE;
1793 break;
428870ff
BB		 1794 case 5:
1795 if (i > 0) {
1796 (void) fprintf(stderr,
1797 gettext("\"all\" conflicts "
1798 "with specific fields "
1799 "given to -o option\n"));
1800 usage(B_FALSE);
1801 }
1802 cb.cb_columns[0] = GET_COL_NAME;
1803 cb.cb_columns[1] = GET_COL_PROPERTY;
1804 cb.cb_columns[2] = GET_COL_VALUE;
1805 cb.cb_columns[3] = GET_COL_RECVD;
1806 cb.cb_columns[4] = GET_COL_SOURCE;
1807 flags |= ZFS_ITER_RECVD_PROPS;
1808 i = ZFS_GET_NCOLS;
1809 break;
34dc7c2f
BB		 1810 default:
1811 (void) fprintf(stderr,
1812 gettext("invalid column name "
1813 "'%s'\n"), value);
1814 usage(B_FALSE);
1815 }
1816 }
1817 break;
1818
1819 case 's':
1820 cb.cb_sources = 0;
1821 while (*optarg != '\0') {
1822 static char *source_subopts[] = {
1823 "local", "default", "inherited",
428870ff
BB		 1824 "received", "temporary", "none",
1825 NULL };
34dc7c2f
BB		 1826
1827 switch (getsubopt(&optarg, source_subopts,
1828 &value)) {
1829 case 0:
1830 cb.cb_sources |= ZPROP_SRC_LOCAL;
1831 break;
1832 case 1:
1833 cb.cb_sources |= ZPROP_SRC_DEFAULT;
1834 break;
1835 case 2:
1836 cb.cb_sources |= ZPROP_SRC_INHERITED;
1837 break;
1838 case 3:
428870ff 1839 cb.cb_sources |= ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1840 break;
1841 case 4:
428870ff
BB		 1842 cb.cb_sources |= ZPROP_SRC_TEMPORARY;
1843 break;
1844 case 5:
34dc7c2f
BB		 1845 cb.cb_sources |= ZPROP_SRC_NONE;
1846 break;
1847 default:
1848 (void) fprintf(stderr,
1849 gettext("invalid source "
1850 "'%s'\n"), value);
1851 usage(B_FALSE);
1852 }
1853 }
1854 break;
1855
e346ec25
AS		 1856 case 't':
1857 types = 0;
1858 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
1859 while (*optarg != '\0') {
1860 static char *type_subopts[] = { "filesystem",
da536844
MA		 1861 "volume", "snapshot", "bookmark",
1862 "all", NULL };
e346ec25
AS		 1863
1864 switch (getsubopt(&optarg, type_subopts,
1865 &value)) {
1866 case 0:
1867 types |= ZFS_TYPE_FILESYSTEM;
1868 break;
1869 case 1:
1870 types |= ZFS_TYPE_VOLUME;
1871 break;
1872 case 2:
1873 types |= ZFS_TYPE_SNAPSHOT;
1874 break;
1875 case 3:
da536844
MA		 1876 types |= ZFS_TYPE_BOOKMARK;
1877 break;
1878 case 4:
1879 types = ZFS_TYPE_DATASET |
1880 ZFS_TYPE_BOOKMARK;
e346ec25
AS		 1881 break;
1882
1883 default:
1884 (void) fprintf(stderr,
1885 gettext("invalid type '%s'\n"),
1886 value);
1887 usage(B_FALSE);
1888 }
1889 }
1890 break;
1891
34dc7c2f
BB		 1892 case '?':
1893 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1894 optopt);
1895 usage(B_FALSE);
1896 }
1897 }
1898
1899 argc -= optind;
1900 argv += optind;
1901
1902 if (argc < 1) {
1903 (void) fprintf(stderr, gettext("missing property "
1904 "argument\n"));
1905 usage(B_FALSE);
1906 }
1907
1908 fields = argv[0];
1909
1910 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
1911 != 0)
1912 usage(B_FALSE);
1913
1914 argc--;
1915 argv++;
1916
1917 /*
1918 * As part of zfs_expand_proplist(), we keep track of the maximum column
1919 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
1920 * need to know the maximum name length. However, the user likely did
1921 * not specify 'name' as one of the properties to fetch, so we need to
1922 * make sure we always include at least this property for
1923 * print_get_headers() to work properly.
1924 */
1925 if (cb.cb_proplist != NULL) {
1926 fake_name.pl_prop = ZFS_PROP_NAME;
1927 fake_name.pl_width = strlen(gettext("NAME"));
1928 fake_name.pl_next = cb.cb_proplist;
1929 cb.cb_proplist = &fake_name;
1930 }
1931
1932 cb.cb_first = B_TRUE;
1933
1934 /* run for each object */
e346ec25 1935 ret = zfs_for_each(argc, argv, flags, types, NULL,
9babb374 1936 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 1937
1938 if (cb.cb_proplist == &fake_name)
1939 zprop_free_list(fake_name.pl_next);
1940 else
1941 zprop_free_list(cb.cb_proplist);
1942
1943 return (ret);
1944}
1945
1946/*
428870ff 1947 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 1948 *
428870ff
BB		 1949 * -r Recurse over all children
1950 * -S Revert to received value, if any
34dc7c2f
BB		 1951 *
1952 * For each dataset specified on the command line, inherit the given property
1953 * from its parent. Inheriting a property at the pool level will cause it to
1954 * use the default value. The '-r' flag will recurse over all children, and is
1955 * useful for setting a property on a hierarchy-wide basis, regardless of any
1956 * local modifications for each dataset.
1957 */
1958
428870ff
BB		 1959typedef struct inherit_cbdata {
1960 const char *cb_propname;
1961 boolean_t cb_received;
1962} inherit_cbdata_t;
1963
34dc7c2f 1964static int
b128c09f 1965inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 1966{
428870ff
BB		 1967 inherit_cbdata_t *cb = data;
1968 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 1969
b128c09f
BB		 1970 /*
1971 * If we're doing it recursively, then ignore properties that
1972 * are not valid for this type of dataset.
1973 */
1974 if (prop != ZPROP_INVAL &&
962d5242 1975 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE))
b128c09f
BB		 1976 return (0);
1977
428870ff 1978 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 1979}
1980
1981static int
1982inherit_cb(zfs_handle_t *zhp, void *data)
1983{
428870ff 1984 inherit_cbdata_t *cb = data;
b128c09f 1985
428870ff 1986 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 1987}
1988
1989static int
1990zfs_do_inherit(int argc, char **argv)
1991{
34dc7c2f
BB		 1992 int c;
1993 zfs_prop_t prop;
428870ff 1994 inherit_cbdata_t cb = { 0 };
34dc7c2f 1995 char *propname;
ad60af8e 1996 int ret = 0;
b128c09f 1997 int flags = 0;
428870ff 1998 boolean_t received = B_FALSE;
34dc7c2f
BB		 1999
2000 /* check options */
428870ff 2001 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 2002 switch (c) {
2003 case 'r':
b128c09f 2004 flags |= ZFS_ITER_RECURSE;
34dc7c2f 2005 break;
428870ff
BB		 2006 case 'S':
2007 received = B_TRUE;
2008 break;
34dc7c2f
BB		 2009 case '?':
2010 default:
2011 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2012 optopt);
2013 usage(B_FALSE);
2014 }
2015 }
2016
2017 argc -= optind;
2018 argv += optind;
2019
2020 /* check number of arguments */
2021 if (argc < 1) {
2022 (void) fprintf(stderr, gettext("missing property argument\n"));
2023 usage(B_FALSE);
2024 }
2025 if (argc < 2) {
2026 (void) fprintf(stderr, gettext("missing dataset argument\n"));
2027 usage(B_FALSE);
2028 }
2029
2030 propname = argv[0];
2031 argc--;
2032 argv++;
2033
2034 if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
2035 if (zfs_prop_readonly(prop)) {
2036 (void) fprintf(stderr, gettext(
2037 "%s property is read-only\n"),
2038 propname);
2039 return (1);
2040 }
428870ff 2041 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 2042 (void) fprintf(stderr, gettext("'%s' property cannot "
2043 "be inherited\n"), propname);
2044 if (prop == ZFS_PROP_QUOTA ||
2045 prop == ZFS_PROP_RESERVATION ||
2046 prop == ZFS_PROP_REFQUOTA ||
0bf8501a 2047 prop == ZFS_PROP_REFRESERVATION) {
34dc7c2f
BB		 2048 (void) fprintf(stderr, gettext("use 'zfs set "
2049 "%s=none' to clear\n"), propname);
0bf8501a
PH		 2050 (void) fprintf(stderr, gettext("use 'zfs "
2051 "inherit -S %s' to revert to received "
2052 "value\n"), propname);
2053 }
34dc7c2f
BB		 2054 return (1);
2055 }
428870ff
BB		 2056 if (received && (prop == ZFS_PROP_VOLSIZE ||
2057 prop == ZFS_PROP_VERSION)) {
2058 (void) fprintf(stderr, gettext("'%s' property cannot "
2059 "be reverted to a received value\n"), propname);
2060 return (1);
2061 }
34dc7c2f
BB		 2062 } else if (!zfs_prop_user(propname)) {
2063 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
2064 propname);
2065 usage(B_FALSE);
2066 }
2067
428870ff
BB		 2068 cb.cb_propname = propname;
2069 cb.cb_received = received;
2070
b128c09f
BB		 2071 if (flags & ZFS_ITER_RECURSE) {
2072 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2073 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 2074 } else {
2075 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 2076 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 2077 }
34dc7c2f
BB		 2078
2079 return (ret);
2080}
2081
2082typedef struct upgrade_cbdata {
2083 uint64_t cb_numupgraded;
2084 uint64_t cb_numsamegraded;
2085 uint64_t cb_numfailed;
2086 uint64_t cb_version;
2087 boolean_t cb_newer;
2088 boolean_t cb_foundone;
eca7b760 2089 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f
BB		 2090} upgrade_cbdata_t;
2091
2092static int
2093same_pool(zfs_handle_t *zhp, const char *name)
2094{
2095 int len1 = strcspn(name, "/@");
2096 const char *zhname = zfs_get_name(zhp);
2097 int len2 = strcspn(zhname, "/@");
2098
2099 if (len1 != len2)
2100 return (B_FALSE);
2101 return (strncmp(name, zhname, len1) == 0);
2102}
2103
2104static int
2105upgrade_list_callback(zfs_handle_t *zhp, void *data)
2106{
2107 upgrade_cbdata_t *cb = data;
2108 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
2109
2110 /* list if it's old/new */
2111 if ((!cb->cb_newer && version < ZPL_VERSION) ||
2112 (cb->cb_newer && version > ZPL_VERSION)) {
2113 char *str;
2114 if (cb->cb_newer) {
2115 str = gettext("The following filesystems are "
2116 "formatted using a newer software version and\n"
2117 "cannot be accessed on the current system.\n\n");
2118 } else {
2119 str = gettext("The following filesystems are "
2120 "out of date, and can be upgraded. After being\n"
2121 "upgraded, these filesystems (and any 'zfs send' "
2122 "streams generated from\n"
2123 "subsequent snapshots) will no longer be "
2124 "accessible by older software versions.\n\n");
2125 }
2126
2127 if (!cb->cb_foundone) {
2128 (void) puts(str);
2129 (void) printf(gettext("VER FILESYSTEM\n"));
2130 (void) printf(gettext("--- ------------\n"));
2131 cb->cb_foundone = B_TRUE;
2132 }
2133
2134 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
2135 }
2136
2137 return (0);
2138}
2139
2140static int
2141upgrade_set_callback(zfs_handle_t *zhp, void *data)
2142{
2143 upgrade_cbdata_t *cb = data;
2144 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 2145 int needed_spa_version;
2146 int spa_version;
2147
2148 if (zfs_spa_version(zhp, &spa_version) < 0)
2149 return (-1);
2150
2151 needed_spa_version = zfs_spa_version_map(cb->cb_version);
2152
2153 if (needed_spa_version < 0)
2154 return (-1);
2155
2156 if (spa_version < needed_spa_version) {
2157 /* can't upgrade */
2158 (void) printf(gettext("%s: can not be "
2159 "upgraded; the pool version needs to first "
2160 "be upgraded\nto version %d\n\n"),
2161 zfs_get_name(zhp), needed_spa_version);
2162 cb->cb_numfailed++;
2163 return (0);
34dc7c2f
BB		 2164 }
2165
2166 /* upgrade */
2167 if (version < cb->cb_version) {
2168 char verstr[16];
2169 (void) snprintf(verstr, sizeof (verstr),
b8864a23 2170 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 2171 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
2172 /*
2173 * If they did "zfs upgrade -a", then we could
2174 * be doing ioctls to different pools. We need
6f1ffb06
MA		 2175 * to log this history once to each pool, and bypass
2176 * the normal history logging that happens in main().
34dc7c2f 2177 */
6f1ffb06
MA		 2178 (void) zpool_log_history(g_zfs, history_str);
2179 log_history = B_FALSE;
34dc7c2f
BB		 2180 }
2181 if (zfs_prop_set(zhp, "version", verstr) == 0)
2182 cb->cb_numupgraded++;
2183 else
2184 cb->cb_numfailed++;
2185 (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp));
2186 } else if (version > cb->cb_version) {
2187 /* can't downgrade */
2188 (void) printf(gettext("%s: can not be downgraded; "
2189 "it is already at version %u\n"),
2190 zfs_get_name(zhp), version);
2191 cb->cb_numfailed++;
2192 } else {
2193 cb->cb_numsamegraded++;
2194 }
2195 return (0);
2196}
2197
2198/*
2199 * zfs upgrade
2200 * zfs upgrade -v
2201 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
2202 */
2203static int
2204zfs_do_upgrade(int argc, char **argv)
2205{
34dc7c2f
BB		 2206 boolean_t all = B_FALSE;
2207 boolean_t showversions = B_FALSE;
ad60af8e 2208 int ret = 0;
34dc7c2f 2209 upgrade_cbdata_t cb = { 0 };
b8864a23 2210 signed char c;
b128c09f 2211 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2212
2213 /* check options */
2214 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
2215 switch (c) {
2216 case 'r':
b128c09f 2217 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2218 break;
2219 case 'v':
2220 showversions = B_TRUE;
2221 break;
2222 case 'V':
2223 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
2224 optarg, &cb.cb_version) != 0) {
2225 (void) fprintf(stderr,
2226 gettext("invalid version %s\n"), optarg);
2227 usage(B_FALSE);
2228 }
2229 break;
2230 case 'a':
2231 all = B_TRUE;
2232 break;
2233 case '?':
2234 default:
2235 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2236 optopt);
2237 usage(B_FALSE);
2238 }
2239 }
2240
2241 argc -= optind;
2242 argv += optind;
2243
b128c09f 2244 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 2245 usage(B_FALSE);
b128c09f
BB		 2246 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
2247 cb.cb_version || argc))
34dc7c2f
BB		 2248 usage(B_FALSE);
2249 if ((all || argc) && (showversions))
2250 usage(B_FALSE);
2251 if (all && argc)
2252 usage(B_FALSE);
2253
2254 if (showversions) {
2255 /* Show info on available versions. */
2256 (void) printf(gettext("The following filesystem versions are "
2257 "supported:\n\n"));
2258 (void) printf(gettext("VER DESCRIPTION\n"));
2259 (void) printf("--- -----------------------------------------"
2260 "---------------\n");
2261 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2262 (void) printf(gettext(" 2 Enhanced directory entries\n"));
330d06f9
MA		 2263 (void) printf(gettext(" 3 Case insensitive and filesystem "
2264 "user identifier (FUID)\n"));
9babb374
BB		 2265 (void) printf(gettext(" 4 userquota, groupquota "
2266 "properties\n"));
428870ff 2267 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 2268 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 2269 "version, including supported releases,\n"));
2270 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 2271 ret = 0;
2272 } else if (argc || all) {
2273 /* Upgrade filesystems */
2274 if (cb.cb_version == 0)
2275 cb.cb_version = ZPL_VERSION;
b128c09f 2276 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2277 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 2278 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 2279 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 2280 if (cb.cb_numsamegraded) {
2281 (void) printf(gettext("%llu filesystems already at "
2282 "this version\n"),
b8864a23 2283 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 2284 }
2285 if (cb.cb_numfailed != 0)
2286 ret = 1;
2287 } else {
4e33ba4c 2288 /* List old-version filesystems */
34dc7c2f
BB		 2289 boolean_t found;
2290 (void) printf(gettext("This system is currently running "
2291 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
2292
b128c09f
BB		 2293 flags |= ZFS_ITER_RECURSE;
2294 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2295 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2296
2297 found = cb.cb_foundone;
2298 cb.cb_foundone = B_FALSE;
2299 cb.cb_newer = B_TRUE;
2300
b128c09f 2301 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2302 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2303
2304 if (!cb.cb_foundone && !found) {
2305 (void) printf(gettext("All filesystems are "
2306 "formatted with the current version.\n"));
2307 }
2308 }
2309
2310 return (ret);
2311}
2312
5990da81
YP		 2313/*
2314 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2315 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
2316 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2317 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
9c5167d1
NF		 2318 * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...]
2319 * [-S field [-S field]...] filesystem | snapshot
5990da81
YP		 2320 *
2321 * -H Scripted mode; elide headers and separate columns by tabs.
2322 * -i Translate SID to POSIX ID.
2323 * -n Print numeric ID instead of user/group name.
2324 * -o Control which fields to display.
54d5378f 2325 * -p Use exact (parsable) numeric output.
5990da81
YP		 2326 * -s Specify sort columns, descending order.
2327 * -S Specify sort columns, ascending order.
2328 * -t Control which object types to display.
2329 *
2330 * Displays space consumed by, and quotas on, each user in the specified
2331 * filesystem or snapshot.
2332 */
0b7936d5 2333
5990da81
YP		 2334/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2335enum us_field_types {
2336 USFIELD_TYPE,
2337 USFIELD_NAME,
2338 USFIELD_USED,
1de321e6
JX		 2339 USFIELD_QUOTA,
2340 USFIELD_OBJUSED,
2341 USFIELD_OBJQUOTA
5990da81 2342};
1de321e6
JX		 2343static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA",
2344 "OBJUSED", "OBJQUOTA" };
2345static char *us_field_names[] = { "type", "name", "used", "quota",
2346 "objused", "objquota" };
5990da81 2347#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
0b7936d5 2348
5990da81
YP		 2349#define USTYPE_PSX_GRP (1 << 0)
2350#define USTYPE_PSX_USR (1 << 1)
2351#define USTYPE_SMB_GRP (1 << 2)
2352#define USTYPE_SMB_USR (1 << 3)
9c5167d1 2353#define USTYPE_PROJ (1 << 4)
5990da81 2354#define USTYPE_ALL \
9c5167d1
NF		 2355 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \
2356 USTYPE_PROJ)
0b7936d5 2357
5990da81
YP		 2358static int us_type_bits[] = {
2359 USTYPE_PSX_GRP,
2360 USTYPE_PSX_USR,
2361 USTYPE_SMB_GRP,
2362 USTYPE_SMB_USR,
2363 USTYPE_ALL
2364};
2820bc49 2365static char *us_type_names[] = { "posixgroup", "posixuser", "smbgroup",
5990da81 2366 "smbuser", "all" };
0b7936d5
AS		 2367
2368typedef struct us_node {
2369 nvlist_t *usn_nvl;
2370 uu_avl_node_t usn_avlnode;
2371 uu_list_node_t usn_listnode;
2372} us_node_t;
2373
2374typedef struct us_cbdata {
5990da81
YP		 2375 nvlist_t **cb_nvlp;
2376 uu_avl_pool_t *cb_avl_pool;
2377 uu_avl_t *cb_avl;
2378 boolean_t cb_numname;
2379 boolean_t cb_nicenum;
2380 boolean_t cb_sid2posix;
2381 zfs_userquota_prop_t cb_prop;
2382 zfs_sort_column_t *cb_sortcol;
2383 size_t cb_width[USFIELD_LAST];
0b7936d5
AS		 2384} us_cbdata_t;
2385
5990da81
YP		 2386static boolean_t us_populated = B_FALSE;
2387
0b7936d5
AS		 2388typedef struct {
2389 zfs_sort_column_t *si_sortcol;
5990da81 2390 boolean_t si_numname;
0b7936d5
AS		 2391} us_sort_info_t;
2392
5990da81
YP		 2393static int
2394us_field_index(char *field)
2395{
2396 int i;
2397
2398 for (i = 0; i < USFIELD_LAST; i++) {
2399 if (strcmp(field, us_field_names[i]) == 0)
2400 return (i);
2401 }
2402
2403 return (-1);
2404}
2405
0b7936d5
AS		 2406static int
2407us_compare(const void *larg, const void *rarg, void *unused)
2408{
2409 const us_node_t *l = larg;
2410 const us_node_t *r = rarg;
0b7936d5
AS		 2411 us_sort_info_t *si = (us_sort_info_t *)unused;
2412 zfs_sort_column_t *sortcol = si->si_sortcol;
5990da81 2413 boolean_t numname = si->si_numname;
0b7936d5
AS		 2414 nvlist_t *lnvl = l->usn_nvl;
2415 nvlist_t *rnvl = r->usn_nvl;
5990da81
YP		 2416 int rc = 0;
2417 boolean_t lvb, rvb;
0b7936d5
AS		 2418
2419 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
2420 char *lvstr = "";
2421 char *rvstr = "";
2422 uint32_t lv32 = 0;
2423 uint32_t rv32 = 0;
2424 uint64_t lv64 = 0;
2425 uint64_t rv64 = 0;
2426 zfs_prop_t prop = sortcol->sc_prop;
2427 const char *propname = NULL;
2428 boolean_t reverse = sortcol->sc_reverse;
2429
2430 switch (prop) {
2431 case ZFS_PROP_TYPE:
2432 propname = "type";
2433 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
2434 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
2435 if (rv32 != lv32)
5990da81 2436 rc = (rv32 < lv32) ? 1 : -1;
0b7936d5
AS		 2437 break;
2438 case ZFS_PROP_NAME:
2439 propname = "name";
5990da81 2440 if (numname) {
88cfff18 2441compare_nums:
5990da81
YP		 2442 (void) nvlist_lookup_uint64(lnvl, propname,
2443 &lv64);
2444 (void) nvlist_lookup_uint64(rnvl, propname,
2445 &rv64);
2446 if (rv64 != lv64)
2447 rc = (rv64 < lv64) ? 1 : -1;
0b7936d5 2448 } else {
88cfff18 2449 if ((nvlist_lookup_string(lnvl, propname,
02730c33 2450 &lvstr) == ENOENT) ||
88cfff18 2451 (nvlist_lookup_string(rnvl, propname,
02730c33 2452 &rvstr) == ENOENT)) {
88cfff18
PB		 2453 goto compare_nums;
2454 }
0b7936d5
AS		 2455 rc = strcmp(lvstr, rvstr);
2456 }
2457 break;
0b7936d5
AS		 2458 case ZFS_PROP_USED:
2459 case ZFS_PROP_QUOTA:
5990da81
YP		 2460 if (!us_populated)
2461 break;
2462 if (prop == ZFS_PROP_USED)
0b7936d5
AS		 2463 propname = "used";
2464 else
2465 propname = "quota";
2466 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
2467 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
2468 if (rv64 != lv64)
5990da81
YP		 2469 rc = (rv64 < lv64) ? 1 : -1;
2470 break;
648a09ad 2471
0b7936d5
AS		 2472 default:
2473 break;
2474 }
2475
5990da81 2476 if (rc != 0) {
0b7936d5
AS		 2477 if (rc < 0)
2478 return (reverse ? 1 : -1);
2479 else
2480 return (reverse ? -1 : 1);
2481 }
2482 }
2483
5990da81
YP		 2484 /*
2485 * If entries still seem to be the same, check if they are of the same
2486 * type (smbentity is added only if we are doing SID to POSIX ID
2487 * translation where we can have duplicate type/name combinations).
2488 */
2489 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
2490 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
2491 lvb != rvb)
2492 return (lvb < rvb ? -1 : 1);
2493
2494 return (0);
0b7936d5
AS		 2495}
2496
1de321e6
JX		 2497static boolean_t
2498zfs_prop_is_user(unsigned p)
2499{
2500 return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA ||
2501 p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA);
2502}
2503
2504static boolean_t
2505zfs_prop_is_group(unsigned p)
2506{
2507 return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA ||
2508 p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA);
2509}
2510
9c5167d1
NF		 2511static boolean_t
2512zfs_prop_is_project(unsigned p)
2513{
2514 return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA ||
2515 p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA);
2516}
2517
0b7936d5
AS		 2518static inline const char *
2519us_type2str(unsigned field_type)
2520{
2521 switch (field_type) {
2522 case USTYPE_PSX_USR:
2523 return ("POSIX User");
2524 case USTYPE_PSX_GRP:
2525 return ("POSIX Group");
2526 case USTYPE_SMB_USR:
2527 return ("SMB User");
2528 case USTYPE_SMB_GRP:
2529 return ("SMB Group");
9c5167d1
NF		 2530 case USTYPE_PROJ:
2531 return ("Project");
0b7936d5
AS		 2532 default:
2533 return ("Undefined");
2534 }
2535}
2536
9babb374
BB		 2537static int
2538userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
2539{
0b7936d5
AS		 2540 us_cbdata_t *cb = (us_cbdata_t *)arg;
2541 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 2542 char *name = NULL;
0b7936d5 2543 char *propname;
9babb374 2544 char sizebuf[32];
0b7936d5
AS		 2545 us_node_t *node;
2546 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
2547 uu_avl_t *avl = cb->cb_avl;
2548 uu_avl_index_t idx;
2549 nvlist_t *props;
2550 us_node_t *n;
2551 zfs_sort_column_t *sortcol = cb->cb_sortcol;
5990da81 2552 unsigned type = 0;
0b7936d5
AS		 2553 const char *typestr;
2554 size_t namelen;
2555 size_t typelen;
2556 size_t sizelen;
5990da81 2557 int typeidx, nameidx, sizeidx;
0b7936d5 2558 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
5990da81 2559 boolean_t smbentity = B_FALSE;
9babb374 2560
5990da81
YP		 2561 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
2562 nomem();
2563 node = safe_malloc(sizeof (us_node_t));
2564 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2565 node->usn_nvl = props;
2566
2567 if (domain != NULL && domain[0] != '\0') {
0b7936d5 2568#ifdef HAVE_IDMAP
5990da81 2569 /* SMB */
eca7b760 2570 char sid[MAXNAMELEN + 32];
0b7936d5
AS		 2571 uid_t id;
2572 uint64_t classes;
5990da81 2573 int err;
0b7936d5
AS		 2574 directory_error_t e;
2575
5990da81
YP		 2576 smbentity = B_TRUE;
2577
0b7936d5 2578 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
5990da81 2579
0b7936d5
AS		 2580 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2581 type = USTYPE_SMB_GRP;
2582 err = sid_to_id(sid, B_FALSE, &id);
2583 } else {
2584 type = USTYPE_SMB_USR;
2585 err = sid_to_id(sid, B_TRUE, &id);
2586 }
2587
2588 if (err == 0) {
2589 rid = id;
5990da81
YP		 2590 if (!cb->cb_sid2posix) {
2591 e = directory_name_from_sid(NULL, sid, &name,
2592 &classes);
105afebb 2593 if (e != NULL)
5990da81 2594 directory_error_free(e);
5990da81
YP		 2595 if (name == NULL)
2596 name = sid;
0b7936d5 2597 }
0b7936d5
AS		 2598 }
2599#else
5990da81
YP		 2600 nvlist_free(props);
2601 free(node);
2602
0b7936d5
AS		 2603 return (-1);
2604#endif /* HAVE_IDMAP */
9babb374
BB		 2605 }
2606
5990da81
YP		 2607 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
2608 /* POSIX or -i */
1de321e6 2609 if (zfs_prop_is_group(prop)) {
5990da81
YP		 2610 type = USTYPE_PSX_GRP;
2611 if (!cb->cb_numname) {
2612 struct group *g;
0b7936d5 2613
5990da81
YP		 2614 if ((g = getgrgid(rid)) != NULL)
2615 name = g->gr_name;
2616 }
9c5167d1 2617 } else if (zfs_prop_is_user(prop)) {
5990da81
YP		 2618 type = USTYPE_PSX_USR;
2619 if (!cb->cb_numname) {
2620 struct passwd *p;
0b7936d5 2621
5990da81
YP		 2622 if ((p = getpwuid(rid)) != NULL)
2623 name = p->pw_name;
2624 }
9c5167d1
NF		 2625 } else {
2626 type = USTYPE_PROJ;
5990da81 2627 }
0b7936d5
AS		 2628 }
2629
5990da81
YP		 2630 /*
2631 * Make sure that the type/name combination is unique when doing
2632 * SID to POSIX ID translation (hence changing the type from SMB to
2633 * POSIX).
2634 */
2635 if (cb->cb_sid2posix &&
2636 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
2637 nomem();
2638
2639 /* Calculate/update width of TYPE field */
2640 typestr = us_type2str(type);
2641 typelen = strlen(gettext(typestr));
2642 typeidx = us_field_index("type");
2643 if (typelen > cb->cb_width[typeidx])
2644 cb->cb_width[typeidx] = typelen;
0b7936d5
AS		 2645 if (nvlist_add_uint32(props, "type", type) != 0)
2646 nomem();
2647
5990da81
YP		 2648 /* Calculate/update width of NAME field */
2649 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
2650 if (nvlist_add_uint64(props, "name", rid) != 0)
0b7936d5 2651 nomem();
5990da81 2652 namelen = snprintf(NULL, 0, "%u", rid);
0b7936d5
AS		 2653 } else {
2654 if (nvlist_add_string(props, "name", name) != 0)
2655 nomem();
2656 namelen = strlen(name);
2657 }
5990da81 2658 nameidx = us_field_index("name");
81eb8a1f 2659 if (nameidx >= 0 && namelen > cb->cb_width[nameidx])
5990da81 2660 cb->cb_width[nameidx] = namelen;
0b7936d5 2661
5990da81
YP		 2662 /*
2663 * Check if this type/name combination is in the list and update it;
2664 * otherwise add new node to the list.
2665 */
2666 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
0b7936d5 2667 uu_avl_insert(avl, node, idx);
5990da81 2668 } else {
0b7936d5
AS		 2669 nvlist_free(props);
2670 free(node);
2671 node = n;
2672 props = node->usn_nvl;
9babb374 2673 }
9babb374 2674
5990da81 2675 /* Calculate/update width of USED/QUOTA fields */
e7fbeb60 2676 if (cb->cb_nicenum) {
2677 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
9c5167d1
NF		 2678 prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2679 prop == ZFS_PROP_PROJECTUSED ||
2680 prop == ZFS_PROP_PROJECTQUOTA) {
e7fbeb60 2681 zfs_nicebytes(space, sizebuf, sizeof (sizebuf));
2682 } else {
2683 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2684 }
2685 } else {
5990da81
YP		 2686 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
2687 (u_longlong_t)space);
e7fbeb60 2688 }
5990da81 2689 sizelen = strlen(sizebuf);
9c5167d1
NF		 2690 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED ||
2691 prop == ZFS_PROP_PROJECTUSED) {
5990da81
YP		 2692 propname = "used";
2693 if (!nvlist_exists(props, "quota"))
2694 (void) nvlist_add_uint64(props, "quota", 0);
9c5167d1
NF		 2695 } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA ||
2696 prop == ZFS_PROP_PROJECTQUOTA) {
5990da81
YP		 2697 propname = "quota";
2698 if (!nvlist_exists(props, "used"))
2699 (void) nvlist_add_uint64(props, "used", 0);
1de321e6 2700 } else if (prop == ZFS_PROP_USEROBJUSED ||
9c5167d1 2701 prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) {
1de321e6
JX		 2702 propname = "objused";
2703 if (!nvlist_exists(props, "objquota"))
2704 (void) nvlist_add_uint64(props, "objquota", 0);
2705 } else if (prop == ZFS_PROP_USEROBJQUOTA ||
9c5167d1
NF		 2706 prop == ZFS_PROP_GROUPOBJQUOTA ||
2707 prop == ZFS_PROP_PROJECTOBJQUOTA) {
1de321e6
JX		 2708 propname = "objquota";
2709 if (!nvlist_exists(props, "objused"))
2710 (void) nvlist_add_uint64(props, "objused", 0);
2711 } else {
2712 return (-1);
5990da81
YP		 2713 }
2714 sizeidx = us_field_index(propname);
81eb8a1f 2715 if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx])
5990da81
YP		 2716 cb->cb_width[sizeidx] = sizelen;
2717
0b7936d5
AS		 2718 if (nvlist_add_uint64(props, propname, space) != 0)
2719 nomem();
2720
2721 return (0);
2722}
2723
0b7936d5 2724static void
5990da81
YP		 2725print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
2726 size_t *width, us_node_t *node)
0b7936d5
AS		 2727{
2728 nvlist_t *nvl = node->usn_nvl;
eca7b760 2729 char valstr[MAXNAMELEN];
0b7936d5 2730 boolean_t first = B_TRUE;
5990da81
YP		 2731 int cfield = 0;
2732 int field;
2733 uint32_t ustype;
2734
2735 /* Check type */
2736 (void) nvlist_lookup_uint32(nvl, "type", &ustype);
2737 if (!(ustype & types))
2738 return;
2739
2740 while ((field = fields[cfield]) != USFIELD_LAST) {
2741 nvpair_t *nvp = NULL;
2742 data_type_t type;
2743 uint32_t val32;
2744 uint64_t val64;
1de321e6 2745 char *strval = "-";
5990da81
YP		 2746
2747 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
2748 if (strcmp(nvpair_name(nvp),
2749 us_field_names[field]) == 0)
0b7936d5 2750 break;
0b7936d5
AS		 2751 }
2752
1de321e6 2753 type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp);
0b7936d5
AS		 2754 switch (type) {
2755 case DATA_TYPE_UINT32:
2756 (void) nvpair_value_uint32(nvp, &val32);
2757 break;
2758 case DATA_TYPE_UINT64:
2759 (void) nvpair_value_uint64(nvp, &val64);
2760 break;
2761 case DATA_TYPE_STRING:
2762 (void) nvpair_value_string(nvp, &strval);
2763 break;
1de321e6
JX		 2764 case DATA_TYPE_UNKNOWN:
2765 break;
0b7936d5 2766 default:
5990da81 2767 (void) fprintf(stderr, "invalid data type\n");
0b7936d5
AS		 2768 }
2769
2770 switch (field) {
2771 case USFIELD_TYPE:
1de321e6
JX		 2772 if (type == DATA_TYPE_UINT32)
2773 strval = (char *)us_type2str(val32);
0b7936d5
AS		 2774 break;
2775 case USFIELD_NAME:
2776 if (type == DATA_TYPE_UINT64) {
2777 (void) sprintf(valstr, "%llu",
02730c33 2778 (u_longlong_t)val64);
0b7936d5
AS		 2779 strval = valstr;
2780 }
0b7936d5
AS		 2781 break;
2782 case USFIELD_USED:
2783 case USFIELD_QUOTA:
e7fbeb60 2784 if (type == DATA_TYPE_UINT64) {
2785 if (parsable) {
2786 (void) sprintf(valstr, "%llu",
2787 (u_longlong_t)val64);
2788 strval = valstr;
2789 } else if (field == USFIELD_QUOTA &&
2790 val64 == 0) {
2791 strval = "none";
2792 } else {
2793 zfs_nicebytes(val64, valstr,
2794 sizeof (valstr));
2795 strval = valstr;
2796 }
2797 }
2798 break;
1de321e6
JX		 2799 case USFIELD_OBJUSED:
2800 case USFIELD_OBJQUOTA:
0b7936d5 2801 if (type == DATA_TYPE_UINT64) {
5990da81 2802 if (parsable) {
0b7936d5 2803 (void) sprintf(valstr, "%llu",
02730c33 2804 (u_longlong_t)val64);
e7fbeb60 2805 strval = valstr;
2806 } else if (field == USFIELD_OBJQUOTA &&
2807 val64 == 0) {
2808 strval = "none";
5990da81 2809 } else {
0b7936d5
AS		 2810 zfs_nicenum(val64, valstr,
2811 sizeof (valstr));
5990da81 2812 strval = valstr;
e7fbeb60 2813 }
0b7936d5 2814 }
0b7936d5
AS		 2815 break;
2816 }
2817
5990da81
YP		 2818 if (!first) {
2819 if (scripted)
2820 (void) printf("\t");
0b7936d5 2821 else
5990da81 2822 (void) printf(" ");
0b7936d5 2823 }
5990da81
YP		 2824 if (scripted)
2825 (void) printf("%s", strval);
2826 else if (field == USFIELD_TYPE || field == USFIELD_NAME)
02730c33 2827 (void) printf("%-*s", (int)width[field], strval);
5990da81 2828 else
02730c33 2829 (void) printf("%*s", (int)width[field], strval);
0b7936d5
AS		 2830
2831 first = B_FALSE;
5990da81 2832 cfield++;
0b7936d5
AS		 2833 }
2834
2835 (void) printf("\n");
2836}
2837
2838static void
5990da81
YP		 2839print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
2840 size_t *width, boolean_t rmnode, uu_avl_t *avl)
0b7936d5 2841{
0b7936d5
AS		 2842 us_node_t *node;
2843 const char *col;
5990da81
YP		 2844 int cfield = 0;
2845 int field;
0b7936d5
AS		 2846
2847 if (!scripted) {
2848 boolean_t first = B_TRUE;
5990da81
YP		 2849
2850 while ((field = fields[cfield]) != USFIELD_LAST) {
2851 col = gettext(us_field_hdr[field]);
2852 if (field == USFIELD_TYPE || field == USFIELD_NAME) {
2853 (void) printf(first ? "%-*s" : " %-*s",
02730c33 2854 (int)width[field], col);
5990da81
YP		 2855 } else {
2856 (void) printf(first ? "%*s" : " %*s",
02730c33 2857 (int)width[field], col);
5990da81 2858 }
0b7936d5 2859 first = B_FALSE;
5990da81 2860 cfield++;
0b7936d5
AS		 2861 }
2862 (void) printf("\n");
2863 }
2864
5990da81
YP		 2865 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
2866 print_us_node(scripted, parsable, fields, types, width, node);
0b7936d5
AS		 2867 if (rmnode)
2868 nvlist_free(node->usn_nvl);
2869 }
2870}
2871
9babb374
BB		 2872static int
2873zfs_do_userspace(int argc, char **argv)
2874{
2875 zfs_handle_t *zhp;
2876 zfs_userquota_prop_t p;
0b7936d5
AS		 2877 uu_avl_pool_t *avl_pool;
2878 uu_avl_t *avl_tree;
2879 uu_avl_walk_t *walk;
5990da81 2880 char *delim;
1de321e6 2881 char deffields[] = "type,name,used,quota,objused,objquota";
5990da81
YP		 2882 char *ofield = NULL;
2883 char *tfield = NULL;
2884 int cfield = 0;
2885 int fields[256];
2886 int i;
0b7936d5
AS		 2887 boolean_t scripted = B_FALSE;
2888 boolean_t prtnum = B_FALSE;
5990da81 2889 boolean_t parsable = B_FALSE;
0b7936d5 2890 boolean_t sid2posix = B_FALSE;
105afebb 2891 int ret = 0;
0b7936d5 2892 int c;
0b7936d5 2893 zfs_sort_column_t *sortcol = NULL;
5990da81 2894 int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
0b7936d5
AS		 2895 us_cbdata_t cb;
2896 us_node_t *node;
5990da81
YP		 2897 us_node_t *rmnode;
2898 uu_list_pool_t *listpool;
2899 uu_list_t *list;
2900 uu_avl_index_t idx = 0;
2901 uu_list_index_t idx2 = 0;
0b7936d5
AS		 2902
2903 if (argc < 2)
2904 usage(B_FALSE);
2905
9c5167d1 2906 if (strcmp(argv[0], "groupspace") == 0) {
5990da81 2907 /* Toggle default group types */
0b7936d5 2908 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
9c5167d1
NF		 2909 } else if (strcmp(argv[0], "projectspace") == 0) {
2910 types = USTYPE_PROJ;
2911 prtnum = B_TRUE;
2912 }
0b7936d5 2913
0b7936d5
AS		 2914 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
2915 switch (c) {
2916 case 'n':
9c5167d1
NF		 2917 if (types == USTYPE_PROJ) {
2918 (void) fprintf(stderr,
2919 gettext("invalid option 'n'\n"));
2920 usage(B_FALSE);
2921 }
0b7936d5
AS		 2922 prtnum = B_TRUE;
2923 break;
2924 case 'H':
2925 scripted = B_TRUE;
2926 break;
2927 case 'p':
5990da81 2928 parsable = B_TRUE;
0b7936d5
AS		 2929 break;
2930 case 'o':
5990da81 2931 ofield = optarg;
0b7936d5
AS		 2932 break;
2933 case 's':
0b7936d5
AS		 2934 case 'S':
2935 if (zfs_add_sort_column(&sortcol, optarg,
5990da81 2936 c == 's' ? B_FALSE : B_TRUE) != 0) {
0b7936d5 2937 (void) fprintf(stderr,
5990da81 2938 gettext("invalid field '%s'\n"), optarg);
0b7936d5
AS		 2939 usage(B_FALSE);
2940 }
2941 break;
2942 case 't':
9c5167d1
NF		 2943 if (types == USTYPE_PROJ) {
2944 (void) fprintf(stderr,
2945 gettext("invalid option 't'\n"));
2946 usage(B_FALSE);
2947 }
5990da81 2948 tfield = optarg;
0b7936d5
AS		 2949 break;
2950 case 'i':
9c5167d1
NF		 2951 if (types == USTYPE_PROJ) {
2952 (void) fprintf(stderr,
2953 gettext("invalid option 'i'\n"));
2954 usage(B_FALSE);
2955 }
0b7936d5
AS		 2956 sid2posix = B_TRUE;
2957 break;
2958 case ':':
2959 (void) fprintf(stderr, gettext("missing argument for "
2960 "'%c' option\n"), optopt);
2961 usage(B_FALSE);
2962 break;
2963 case '?':
2964 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2965 optopt);
2966 usage(B_FALSE);
2967 }
2968 }
2969
2970 argc -= optind;
2971 argv += optind;
2972
5990da81
YP		 2973 if (argc < 1) {
2974 (void) fprintf(stderr, gettext("missing dataset name\n"));
2975 usage(B_FALSE);
2976 }
2977 if (argc > 1) {
2978 (void) fprintf(stderr, gettext("too many arguments\n"));
2979 usage(B_FALSE);
0b7936d5
AS		 2980 }
2981
5990da81
YP		 2982 /* Use default output fields if not specified using -o */
2983 if (ofield == NULL)
2984 ofield = deffields;
2985 do {
2986 if ((delim = strchr(ofield, ',')) != NULL)
2987 *delim = '\0';
2988 if ((fields[cfield++] = us_field_index(ofield)) == -1) {
2989 (void) fprintf(stderr, gettext("invalid type '%s' "
2990 "for -o option\n"), ofield);
2991 return (-1);
2992 }
2993 if (delim != NULL)
2994 ofield = delim + 1;
2995 } while (delim != NULL);
2996 fields[cfield] = USFIELD_LAST;
2997
2998 /* Override output types (-t option) */
2999 if (tfield != NULL) {
3000 types = 0;
3001
3002 do {
3003 boolean_t found = B_FALSE;
3004
3005 if ((delim = strchr(tfield, ',')) != NULL)
3006 *delim = '\0';
3007 for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
3008 i++) {
3009 if (strcmp(tfield, us_type_names[i]) == 0) {
3010 found = B_TRUE;
3011 types |= us_type_bits[i];
3012 break;
3013 }
3014 }
3015 if (!found) {
3016 (void) fprintf(stderr, gettext("invalid type "
3017 "'%s' for -t option\n"), tfield);
3018 return (-1);
3019 }
3020 if (delim != NULL)
3021 tfield = delim + 1;
3022 } while (delim != NULL);
3023 }
9babb374 3024
5990da81 3025 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
9babb374
BB		 3026 return (1);
3027
0b7936d5 3028 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
5990da81 3029 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
0b7936d5
AS		 3030 nomem();
3031 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
3032 nomem();
3033
5990da81
YP		 3034 /* Always add default sorting columns */
3035 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
3036 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
3037
3038 cb.cb_sortcol = sortcol;
0b7936d5 3039 cb.cb_numname = prtnum;
5990da81 3040 cb.cb_nicenum = !parsable;
0b7936d5
AS		 3041 cb.cb_avl_pool = avl_pool;
3042 cb.cb_avl = avl_tree;
3043 cb.cb_sid2posix = sid2posix;
5990da81
YP		 3044
3045 for (i = 0; i < USFIELD_LAST; i++)
3046 cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
9babb374
BB		 3047
3048 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
1de321e6 3049 if ((zfs_prop_is_user(p) &&
5990da81 3050 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
1de321e6 3051 (zfs_prop_is_group(p) &&
9c5167d1
NF		 3052 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) ||
3053 (zfs_prop_is_project(p) && types != USTYPE_PROJ))
0b7936d5 3054 continue;
1de321e6 3055
0b7936d5 3056 cb.cb_prop = p;
105afebb
YP		 3057 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0)
3058 return (ret);
9babb374 3059 }
0b7936d5 3060
5990da81 3061 /* Sort the list */
105afebb
YP		 3062 if ((node = uu_avl_first(avl_tree)) == NULL)
3063 return (0);
3064
5990da81 3065 us_populated = B_TRUE;
105afebb 3066
5990da81
YP		 3067 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
3068 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
3069 list = uu_list_create(listpool, NULL, UU_DEFAULT);
5990da81 3070 uu_list_node_init(node, &node->usn_listnode, listpool);
0b7936d5 3071
5990da81
YP		 3072 while (node != NULL) {
3073 rmnode = node;
3074 node = uu_avl_next(avl_tree, node);
3075 uu_avl_remove(avl_tree, rmnode);
3076 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
3077 uu_list_insert(list, rmnode, idx2);
3078 }
0b7936d5 3079
5990da81
YP		 3080 for (node = uu_list_first(list); node != NULL;
3081 node = uu_list_next(list, node)) {
3082 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
3083
3084 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
3085 uu_avl_insert(avl_tree, node, idx);
0b7936d5
AS		 3086 }
3087
5990da81
YP		 3088 uu_list_destroy(list);
3089 uu_list_pool_destroy(listpool);
0b7936d5 3090
5990da81
YP		 3091 /* Print and free node nvlist memory */
3092 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
3093 cb.cb_avl);
0b7936d5 3094
5990da81
YP		 3095 zfs_free_sort_columns(sortcol);
3096
3097 /* Clean up the AVL tree */
0b7936d5
AS		 3098 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
3099 nomem();
3100
3101 while ((node = uu_avl_walk_next(walk)) != NULL) {
3102 uu_avl_remove(cb.cb_avl, node);
3103 free(node);
3104 }
3105
3106 uu_avl_walk_end(walk);
3107 uu_avl_destroy(avl_tree);
3108 uu_avl_pool_destroy(avl_pool);
3109
105afebb 3110 return (ret);
9babb374
BB		 3111}
3112
3113/*
54d5378f
YP		 3114 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
3115 * [-t type[,...]] [filesystem|volume|snapshot] ...
34dc7c2f 3116 *
54d5378f
YP		 3117 * -H Scripted mode; elide headers and separate columns by tabs
3118 * -p Display values in parsable (literal) format.
428870ff
BB		 3119 * -r Recurse over all children
3120 * -d Limit recursion by depth.
428870ff 3121 * -o Control which fields to display.
34dc7c2f
BB		 3122 * -s Specify sort columns, descending order.
3123 * -S Specify sort columns, ascending order.
54d5378f 3124 * -t Control which object types to display.
34dc7c2f 3125 *
54d5378f 3126 * When given no arguments, list all filesystems in the system.
34dc7c2f
BB		 3127 * Otherwise, list the specified datasets, optionally recursing down them if
3128 * '-r' is specified.
3129 */
3130typedef struct list_cbdata {
3131 boolean_t cb_first;
54d5378f 3132 boolean_t cb_literal;
34dc7c2f
BB		 3133 boolean_t cb_scripted;
3134 zprop_list_t *cb_proplist;
3135} list_cbdata_t;
3136
3137/*
3138 * Given a list of columns to display, output appropriate headers for each one.
3139 */
3140static void
54d5378f 3141print_header(list_cbdata_t *cb)
34dc7c2f 3142{
54d5378f 3143 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3144 char headerbuf[ZFS_MAXPROPLEN];
3145 const char *header;
3146 int i;
3147 boolean_t first = B_TRUE;
3148 boolean_t right_justify;
3149
3150 for (; pl != NULL; pl = pl->pl_next) {
3151 if (!first) {
3152 (void) printf(" ");
3153 } else {
3154 first = B_FALSE;
3155 }
3156
3157 right_justify = B_FALSE;
3158 if (pl->pl_prop != ZPROP_INVAL) {
3159 header = zfs_prop_column_name(pl->pl_prop);
3160 right_justify = zfs_prop_align_right(pl->pl_prop);
3161 } else {
3162 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
3163 headerbuf[i] = toupper(pl->pl_user_prop[i]);
3164 headerbuf[i] = '\0';
3165 header = headerbuf;
3166 }
3167
3168 if (pl->pl_next == NULL && !right_justify)
3169 (void) printf("%s", header);
3170 else if (right_justify)
b8864a23 3171 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 3172 else
b8864a23 3173 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 3174 }
3175
3176 (void) printf("\n");
3177}
3178
3179/*
3180 * Given a dataset and a list of fields, print out all the properties according
3181 * to the described layout.
3182 */
3183static void
54d5378f 3184print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
34dc7c2f 3185{
54d5378f 3186 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 3187 boolean_t first = B_TRUE;
3188 char property[ZFS_MAXPROPLEN];
3189 nvlist_t *userprops = zfs_get_user_props(zhp);
3190 nvlist_t *propval;
3191 char *propstr;
3192 boolean_t right_justify;
34dc7c2f
BB		 3193
3194 for (; pl != NULL; pl = pl->pl_next) {
3195 if (!first) {
54d5378f 3196 if (cb->cb_scripted)
34dc7c2f
BB		 3197 (void) printf("\t");
3198 else
3199 (void) printf(" ");
3200 } else {
3201 first = B_FALSE;
3202 }
3203
0cee2406
PJD		 3204 if (pl->pl_prop == ZFS_PROP_NAME) {
3205 (void) strlcpy(property, zfs_get_name(zhp),
d1d7e268 3206 sizeof (property));
0cee2406
PJD		 3207 propstr = property;
3208 right_justify = zfs_prop_align_right(pl->pl_prop);
3209 } else if (pl->pl_prop != ZPROP_INVAL) {
34dc7c2f 3210 if (zfs_prop_get(zhp, pl->pl_prop, property,
54d5378f 3211 sizeof (property), NULL, NULL, 0,
d1d7e268 3212 cb->cb_literal) != 0)
34dc7c2f
BB		 3213 propstr = "-";
3214 else
3215 propstr = property;
34dc7c2f 3216 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 3217 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
3218 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
54d5378f 3219 property, sizeof (property), cb->cb_literal) != 0)
9babb374
BB		 3220 propstr = "-";
3221 else
3222 propstr = property;
3223 right_justify = B_TRUE;
330d06f9
MA		 3224 } else if (zfs_prop_written(pl->pl_user_prop)) {
3225 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
54d5378f 3226 property, sizeof (property), cb->cb_literal) != 0)
330d06f9
MA		 3227 propstr = "-";
3228 else
3229 propstr = property;
3230 right_justify = B_TRUE;
34dc7c2f
BB		 3231 } else {
3232 if (nvlist_lookup_nvlist(userprops,
3233 pl->pl_user_prop, &propval) != 0)
3234 propstr = "-";
3235 else
3236 verify(nvlist_lookup_string(propval,
3237 ZPROP_VALUE, &propstr) == 0);
9babb374 3238 right_justify = B_FALSE;
34dc7c2f
BB		 3239 }
3240
34dc7c2f
BB		 3241 /*
3242 * If this is being called in scripted mode, or if this is the
3243 * last column and it is left-justified, don't include a width
3244 * format specifier.
3245 */
54d5378f 3246 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
34dc7c2f
BB		 3247 (void) printf("%s", propstr);
3248 else if (right_justify)
54d5378f 3249 (void) printf("%*s", (int)pl->pl_width, propstr);
34dc7c2f 3250 else
54d5378f 3251 (void) printf("%-*s", (int)pl->pl_width, propstr);
34dc7c2f
BB		 3252 }
3253
3254 (void) printf("\n");
3255}
3256
3257/*
3258 * Generic callback function to list a dataset or snapshot.
3259 */
3260static int
3261list_callback(zfs_handle_t *zhp, void *data)
3262{
3263 list_cbdata_t *cbp = data;
3264
3265 if (cbp->cb_first) {
3266 if (!cbp->cb_scripted)
54d5378f 3267 print_header(cbp);
34dc7c2f
BB		 3268 cbp->cb_first = B_FALSE;
3269 }
3270
54d5378f 3271 print_dataset(zhp, cbp);
34dc7c2f
BB		 3272
3273 return (0);
3274}
3275
3276static int
3277zfs_do_list(int argc, char **argv)
3278{
3279 int c;
34dc7c2f
BB		 3280 static char default_fields[] =
3281 "name,used,available,referenced,mountpoint";
d164b209 3282 int types = ZFS_TYPE_DATASET;
b128c09f 3283 boolean_t types_specified = B_FALSE;
34dc7c2f 3284 char *fields = NULL;
34dc7c2f
BB		 3285 list_cbdata_t cb = { 0 };
3286 char *value;
9babb374 3287 int limit = 0;
ad60af8e 3288 int ret = 0;
34dc7c2f 3289 zfs_sort_column_t *sortcol = NULL;
b128c09f 3290 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 3291
3292 /* check options */
54d5378f 3293 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
34dc7c2f
BB		 3294 switch (c) {
3295 case 'o':
3296 fields = optarg;
3297 break;
54d5378f
YP		 3298 case 'p':
3299 cb.cb_literal = B_TRUE;
3300 flags |= ZFS_ITER_LITERAL_PROPS;
3301 break;
9babb374
BB		 3302 case 'd':
3303 limit = parse_depth(optarg, &flags);
3304 break;
34dc7c2f 3305 case 'r':
b128c09f 3306 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 3307 break;
3308 case 'H':
54d5378f 3309 cb.cb_scripted = B_TRUE;
34dc7c2f
BB		 3310 break;
3311 case 's':
3312 if (zfs_add_sort_column(&sortcol, optarg,
3313 B_FALSE) != 0) {
3314 (void) fprintf(stderr,
3315 gettext("invalid property '%s'\n"), optarg);
3316 usage(B_FALSE);
3317 }
3318 break;
3319 case 'S':
3320 if (zfs_add_sort_column(&sortcol, optarg,
3321 B_TRUE) != 0) {
3322 (void) fprintf(stderr,
3323 gettext("invalid property '%s'\n"), optarg);
3324 usage(B_FALSE);
3325 }
3326 break;
3327 case 't':
3328 types = 0;
b128c09f
BB		 3329 types_specified = B_TRUE;
3330 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
34dc7c2f 3331 while (*optarg != '\0') {
b128c09f 3332 static char *type_subopts[] = { "filesystem",
da536844
MA		 3333 "volume", "snapshot", "snap", "bookmark",
3334 "all", NULL };
b128c09f 3335
34dc7c2f
BB		 3336 switch (getsubopt(&optarg, type_subopts,
3337 &value)) {
3338 case 0:
3339 types |= ZFS_TYPE_FILESYSTEM;
3340 break;
3341 case 1:
3342 types |= ZFS_TYPE_VOLUME;
3343 break;
3344 case 2:
cf81b00a 3345 case 3:
34dc7c2f
BB		 3346 types |= ZFS_TYPE_SNAPSHOT;
3347 break;
cf81b00a 3348 case 4:
da536844
MA		 3349 types |= ZFS_TYPE_BOOKMARK;
3350 break;
3351 case 5:
3352 types = ZFS_TYPE_DATASET |
3353 ZFS_TYPE_BOOKMARK;
b128c09f 3354 break;
34dc7c2f
BB		 3355 default:
3356 (void) fprintf(stderr,
3357 gettext("invalid type '%s'\n"),
3358 value);
3359 usage(B_FALSE);
3360 }
3361 }
3362 break;
3363 case ':':
3364 (void) fprintf(stderr, gettext("missing argument for "
3365 "'%c' option\n"), optopt);
3366 usage(B_FALSE);
3367 break;
3368 case '?':
3369 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3370 optopt);
3371 usage(B_FALSE);
3372 }
3373 }
3374
3375 argc -= optind;
3376 argv += optind;
3377
3378 if (fields == NULL)
b128c09f
BB		 3379 fields = default_fields;
3380
0cee2406
PJD		 3381 /*
3382 * If we are only going to list snapshot names and sort by name,
3383 * then we can use faster version.
3384 */
3385 if (strcmp(fields, "name") == 0 && zfs_sort_only_by_name(sortcol))
3386 flags |= ZFS_ITER_SIMPLE;
3387
b128c09f
BB		 3388 /*
3389 * If "-o space" and no types were specified, don't display snapshots.
3390 */
3391 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
3392 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f
BB		 3393
3394 /*
3395 * If the user specifies '-o all', the zprop_get_list() doesn't
3396 * normally include the name of the dataset. For 'zfs list', we always
3397 * want this property to be first.
3398 */
3399 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
3400 != 0)
3401 usage(B_FALSE);
3402
34dc7c2f
BB		 3403 cb.cb_first = B_TRUE;
3404
b128c09f 3405 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 3406 limit, list_callback, &cb);
34dc7c2f
BB		 3407
3408 zprop_free_list(cb.cb_proplist);
3409 zfs_free_sort_columns(sortcol);
3410
3411 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
42cb3819 3412 (void) fprintf(stderr, gettext("no datasets available\n"));
34dc7c2f
BB		 3413
3414 return (ret);
3415}
3416
3417/*
db49968e
ES		 3418 * zfs rename [-f] <fs | snap | vol> <fs | snap | vol>
3419 * zfs rename [-f] -p <fs | vol> <fs | vol>
34dc7c2f
BB		 3420 * zfs rename -r <snap> <snap>
3421 *
3422 * Renames the given dataset to another of the same type.
3423 *
3424 * The '-p' flag creates all the non-existing ancestors of the target first.
3425 */
3426/* ARGSUSED */
3427static int
3428zfs_do_rename(int argc, char **argv)
3429{
3430 zfs_handle_t *zhp;
3431 int c;
ad60af8e 3432 int ret = 0;
34dc7c2f
BB		 3433 boolean_t recurse = B_FALSE;
3434 boolean_t parents = B_FALSE;
db49968e 3435 boolean_t force_unmount = B_FALSE;
34dc7c2f
BB		 3436
3437 /* check options */
db49968e 3438 while ((c = getopt(argc, argv, "prf")) != -1) {
34dc7c2f
BB		 3439 switch (c) {
3440 case 'p':
3441 parents = B_TRUE;
3442 break;
3443 case 'r':
3444 recurse = B_TRUE;
3445 break;
db49968e
ES		 3446 case 'f':
3447 force_unmount = B_TRUE;
3448 break;
34dc7c2f
BB		 3449 case '?':
3450 default:
3451 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3452 optopt);
3453 usage(B_FALSE);
3454 }
3455 }
3456
3457 argc -= optind;
3458 argv += optind;
3459
3460 /* check number of arguments */
3461 if (argc < 1) {
3462 (void) fprintf(stderr, gettext("missing source dataset "
3463 "argument\n"));
3464 usage(B_FALSE);
3465 }
3466 if (argc < 2) {
3467 (void) fprintf(stderr, gettext("missing target dataset "
3468 "argument\n"));
3469 usage(B_FALSE);
3470 }
3471 if (argc > 2) {
3472 (void) fprintf(stderr, gettext("too many arguments\n"));
3473 usage(B_FALSE);
3474 }
3475
3476 if (recurse && parents) {
3477 (void) fprintf(stderr, gettext("-p and -r options are mutually "
3478 "exclusive\n"));
3479 usage(B_FALSE);
3480 }
3481
3482 if (recurse && strchr(argv[0], '@') == 0) {
3483 (void) fprintf(stderr, gettext("source dataset for recursive "
3484 "rename must be a snapshot\n"));
3485 usage(B_FALSE);
3486 }
3487
3488 if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM |
3489 ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL)
3490 return (1);
3491
3492 /* If we were asked and the name looks good, try to create ancestors. */
3493 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
3494 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
3495 zfs_close(zhp);
3496 return (1);
3497 }
3498
db49968e 3499 ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0);
34dc7c2f
BB		 3500
3501 zfs_close(zhp);
3502 return (ret);
3503}
3504
3505/*
3506 * zfs promote <fs>
3507 *
3508 * Promotes the given clone fs to be the parent
3509 */
3510/* ARGSUSED */
3511static int
3512zfs_do_promote(int argc, char **argv)
3513{
3514 zfs_handle_t *zhp;
ad60af8e 3515 int ret = 0;
34dc7c2f
BB		 3516
3517 /* check options */
3518 if (argc > 1 && argv[1][0] == '-') {
3519 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3520 argv[1][1]);
3521 usage(B_FALSE);
3522 }
3523
3524 /* check number of arguments */
3525 if (argc < 2) {
3526 (void) fprintf(stderr, gettext("missing clone filesystem"
3527 " argument\n"));
3528 usage(B_FALSE);
3529 }
3530 if (argc > 2) {
3531 (void) fprintf(stderr, gettext("too many arguments\n"));
3532 usage(B_FALSE);
3533 }
3534
3535 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3536 if (zhp == NULL)
3537 return (1);
3538
3539 ret = (zfs_promote(zhp) != 0);
3540
3541
3542 zfs_close(zhp);
3543 return (ret);
3544}
3545
3546/*
3547 * zfs rollback [-rRf] <snapshot>
3548 *
428870ff
BB		 3549 * -r Delete any intervening snapshots before doing rollback
3550 * -R Delete any snapshots and their clones
4e33ba4c 3551 * -f ignored for backwards compatibility
34dc7c2f
BB		 3552 *
3553 * Given a filesystem, rollback to a specific snapshot, discarding any changes
3554 * since then and making it the active dataset. If more recent snapshots exist,
3555 * the command will complain unless the '-r' flag is given.
3556 */
3557typedef struct rollback_cbdata {
3558 uint64_t cb_create;
3559 boolean_t cb_first;
3560 int cb_doclones;
3561 char *cb_target;
3562 int cb_error;
3563 boolean_t cb_recurse;
34dc7c2f
BB		 3564} rollback_cbdata_t;
3565
da536844
MA		 3566static int
3567rollback_check_dependent(zfs_handle_t *zhp, void *data)
3568{
3569 rollback_cbdata_t *cbp = data;
3570
3571 if (cbp->cb_first && cbp->cb_recurse) {
3572 (void) fprintf(stderr, gettext("cannot rollback to "
3573 "'%s': clones of previous snapshots exist\n"),
3574 cbp->cb_target);
3575 (void) fprintf(stderr, gettext("use '-R' to "
3576 "force deletion of the following clones and "
3577 "dependents:\n"));
3578 cbp->cb_first = 0;
3579 cbp->cb_error = 1;
3580 }
3581
3582 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
3583
3584 zfs_close(zhp);
3585 return (0);
3586}
9b67f605
MA		 3587
3588
34dc7c2f
BB		 3589/*
3590 * Report any snapshots more recent than the one specified. Used when '-r' is
3591 * not specified. We reuse this same callback for the snapshot dependents - if
3592 * 'cb_dependent' is set, then this is a dependent and we should report it
3593 * without checking the transaction group.
3594 */
3595static int
3596rollback_check(zfs_handle_t *zhp, void *data)
3597{
3598 rollback_cbdata_t *cbp = data;
3599
3600 if (cbp->cb_doclones) {
3601 zfs_close(zhp);
3602 return (0);
3603 }
3604
da536844
MA		 3605 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) {
3606 if (cbp->cb_first && !cbp->cb_recurse) {
3607 (void) fprintf(stderr, gettext("cannot "
3608 "rollback to '%s': more recent snapshots "
3609 "or bookmarks exist\n"),
34dc7c2f 3610 cbp->cb_target);
da536844
MA		 3611 (void) fprintf(stderr, gettext("use '-r' to "
3612 "force deletion of the following "
3613 "snapshots and bookmarks:\n"));
34dc7c2f
BB		 3614 cbp->cb_first = 0;
3615 cbp->cb_error = 1;
3616 }
3617
da536844
MA		 3618 if (cbp->cb_recurse) {
3619 if (zfs_iter_dependents(zhp, B_TRUE,
3620 rollback_check_dependent, cbp) != 0) {
3621 zfs_close(zhp);
3622 return (-1);
3623 }
3624 } else {
3625 (void) fprintf(stderr, "%s\n",
3626 zfs_get_name(zhp));
3627 }
34dc7c2f 3628 }
34dc7c2f
BB		 3629 zfs_close(zhp);
3630 return (0);
3631}
3632
3633static int
3634zfs_do_rollback(int argc, char **argv)
3635{
ad60af8e 3636 int ret = 0;
34dc7c2f
BB		 3637 int c;
3638 boolean_t force = B_FALSE;
3639 rollback_cbdata_t cb = { 0 };
3640 zfs_handle_t *zhp, *snap;
eca7b760 3641 char parentname[ZFS_MAX_DATASET_NAME_LEN];
34dc7c2f
BB		 3642 char *delim;
3643
3644 /* check options */
3645 while ((c = getopt(argc, argv, "rRf")) != -1) {
3646 switch (c) {
3647 case 'r':
3648 cb.cb_recurse = 1;
3649 break;
3650 case 'R':
3651 cb.cb_recurse = 1;
3652 cb.cb_doclones = 1;
3653 break;
3654 case 'f':
3655 force = B_TRUE;
3656 break;
3657 case '?':
3658 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3659 optopt);
3660 usage(B_FALSE);
3661 }
3662 }
3663
3664 argc -= optind;
3665 argv += optind;
3666
3667 /* check number of arguments */
3668 if (argc < 1) {
3669 (void) fprintf(stderr, gettext("missing dataset argument\n"));
3670 usage(B_FALSE);
3671 }
3672 if (argc > 1) {
3673 (void) fprintf(stderr, gettext("too many arguments\n"));
3674 usage(B_FALSE);
3675 }
3676
3677 /* open the snapshot */
3678 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
3679 return (1);
3680
3681 /* open the parent dataset */
3682 (void) strlcpy(parentname, argv[0], sizeof (parentname));
3683 verify((delim = strrchr(parentname, '@')) != NULL);
3684 *delim = '\0';
3685 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
3686 zfs_close(snap);
3687 return (1);
3688 }
3689
3690 /*
3691 * Check for more recent snapshots and/or clones based on the presence
3692 * of '-r' and '-R'.
3693 */
3694 cb.cb_target = argv[0];
3695 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
3696 cb.cb_first = B_TRUE;
3697 cb.cb_error = 0;
da536844
MA		 3698 if ((ret = zfs_iter_snapshots(zhp, B_FALSE, rollback_check, &cb)) != 0)
3699 goto out;
3700 if ((ret = zfs_iter_bookmarks(zhp, rollback_check, &cb)) != 0)
34dc7c2f
BB		 3701 goto out;
3702
3703 if ((ret = cb.cb_error) != 0)
3704 goto out;
3705
3706 /*
3707 * Rollback parent to the given snapshot.
3708 */
3709 ret = zfs_rollback(zhp, snap, force);
3710
3711out:
3712 zfs_close(snap);
3713 zfs_close(zhp);
3714
3715 if (ret == 0)
3716 return (0);
3717 else
3718 return (1);
3719}
3720
3721/*
23de906c 3722 * zfs set property=value ... { fs | snap | vol } ...
34dc7c2f 3723 *
23de906c 3724 * Sets the given properties for all datasets specified on the command line.
34dc7c2f 3725 */
34dc7c2f
BB		 3726
3727static int
3728set_callback(zfs_handle_t *zhp, void *data)
3729{
23de906c 3730 nvlist_t *props = data;
34dc7c2f 3731
23de906c 3732 if (zfs_prop_set_list(zhp, props) != 0) {
34dc7c2f
BB		 3733 switch (libzfs_errno(g_zfs)) {
3734 case EZFS_MOUNTFAILED:
3735 (void) fprintf(stderr, gettext("property may be set "
3736 "but unable to remount filesystem\n"));
3737 break;
3738 case EZFS_SHARENFSFAILED:
3739 (void) fprintf(stderr, gettext("property may be set "
3740 "but unable to reshare filesystem\n"));
3741 break;
3742 }
3743 return (1);
3744 }
3745 return (0);
3746}
3747
3748static int
3749zfs_do_set(int argc, char **argv)
3750{
23de906c
CW		 3751 nvlist_t *props = NULL;
3752 int ds_start = -1; /* argv idx of first dataset arg */
ad60af8e 3753 int ret = 0;
23de906c 3754 int i;
34dc7c2f
BB		 3755
3756 /* check for options */
3757 if (argc > 1 && argv[1][0] == '-') {
3758 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3759 argv[1][1]);
3760 usage(B_FALSE);
3761 }
3762
3763 /* check number of arguments */
3764 if (argc < 2) {
23de906c 3765 (void) fprintf(stderr, gettext("missing arguments\n"));
34dc7c2f
BB		 3766 usage(B_FALSE);
3767 }
3768 if (argc < 3) {
23de906c
CW		 3769 if (strchr(argv[1], '=') == NULL) {
3770 (void) fprintf(stderr, gettext("missing property=value "
3771 "argument(s)\n"));
3772 } else {
3773 (void) fprintf(stderr, gettext("missing dataset "
3774 "name(s)\n"));
3775 }
34dc7c2f
BB		 3776 usage(B_FALSE);
3777 }
3778
23de906c
CW		 3779 /* validate argument order: prop=val args followed by dataset args */
3780 for (i = 1; i < argc; i++) {
3781 if (strchr(argv[i], '=') != NULL) {
3782 if (ds_start > 0) {
3783 /* out-of-order prop=val argument */
3784 (void) fprintf(stderr, gettext("invalid "
3785 "argument order\n"));
3786 usage(B_FALSE);
3787 }
3788 } else if (ds_start < 0) {
3789 ds_start = i;
3790 }
3791 }
3792 if (ds_start < 0) {
3793 (void) fprintf(stderr, gettext("missing dataset name(s)\n"));
34dc7c2f
BB		 3794 usage(B_FALSE);
3795 }
3796
23de906c
CW		 3797 /* Populate a list of property settings */
3798 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
3799 nomem();
3800 for (i = 1; i < ds_start; i++) {
a3eeab2d 3801 if (!parseprop(props, argv[i])) {
3802 ret = -1;
23de906c 3803 goto error;
a3eeab2d 3804 }
34dc7c2f
BB		 3805 }
3806
23de906c
CW		 3807 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0,
3808 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, props);
34dc7c2f 3809
23de906c
CW		 3810error:
3811 nvlist_free(props);
34dc7c2f
BB		 3812 return (ret);
3813}
3814
6f1ffb06
MA		 3815typedef struct snap_cbdata {
3816 nvlist_t *sd_nvl;
3817 boolean_t sd_recursive;
3818 const char *sd_snapname;
3819} snap_cbdata_t;
3820
3821static int
3822zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
3823{
3824 snap_cbdata_t *sd = arg;
3825 char *name;
3826 int rv = 0;
3827 int error;
3828
96c2e961
KW		 3829 if (sd->sd_recursive &&
3830 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) {
3831 zfs_close(zhp);
3832 return (0);
3833 }
3834
6f1ffb06
MA		 3835 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
3836 if (error == -1)
3837 nomem();
3838 fnvlist_add_boolean(sd->sd_nvl, name);
3839 free(name);
3840
3841 if (sd->sd_recursive)
3842 rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd);
3843 zfs_close(zhp);
3844 return (rv);
3845}
3846
34dc7c2f 3847/*
b128c09f 3848 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 3849 *
3850 * Creates a snapshot with the given name. While functionally equivalent to
3851 * 'zfs create', it is a separate command to differentiate intent.
3852 */
3853static int
3854zfs_do_snapshot(int argc, char **argv)
3855{
ad60af8e 3856 int ret = 0;
b8864a23 3857 signed char c;
b128c09f 3858 nvlist_t *props;
6f1ffb06
MA		 3859 snap_cbdata_t sd = { 0 };
3860 boolean_t multiple_snaps = B_FALSE;
b128c09f 3861
428870ff
BB		 3862 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
3863 nomem();
6f1ffb06
MA		 3864 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
3865 nomem();
34dc7c2f
BB		 3866
3867 /* check options */
b128c09f 3868 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 3869 switch (c) {
b128c09f 3870 case 'o':
a3eeab2d 3871 if (!parseprop(props, optarg)) {
a425f5bf 3872 nvlist_free(sd.sd_nvl);
3873 nvlist_free(props);
b128c09f 3874 return (1);
a425f5bf 3875 }
b128c09f 3876 break;
34dc7c2f 3877 case 'r':
6f1ffb06
MA		 3878 sd.sd_recursive = B_TRUE;
3879 multiple_snaps = B_TRUE;
34dc7c2f
BB		 3880 break;
3881 case '?':
3882 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3883 optopt);
b128c09f 3884 goto usage;
34dc7c2f
BB		 3885 }
3886 }
3887
3888 argc -= optind;
3889 argv += optind;
3890
3891 /* check number of arguments */
3892 if (argc < 1) {
3893 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 3894 goto usage;
34dc7c2f 3895 }
6f1ffb06
MA		 3896
3897 if (argc > 1)
3898 multiple_snaps = B_TRUE;
3899 for (; argc > 0; argc--, argv++) {
3900 char *atp;
3901 zfs_handle_t *zhp;
3902
3903 atp = strchr(argv[0], '@');
3904 if (atp == NULL)
3905 goto usage;
3906 *atp = '\0';
3907 sd.sd_snapname = atp + 1;
3908 zhp = zfs_open(g_zfs, argv[0],
3909 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3910 if (zhp == NULL)
3911 goto usage;
3912 if (zfs_snapshot_cb(zhp, &sd) != 0)
3913 goto usage;
34dc7c2f
BB		 3914 }
3915
6f1ffb06
MA		 3916 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
3917 nvlist_free(sd.sd_nvl);
b128c09f 3918 nvlist_free(props);
6f1ffb06 3919 if (ret != 0 && multiple_snaps)
34dc7c2f
BB		 3920 (void) fprintf(stderr, gettext("no snapshots were created\n"));
3921 return (ret != 0);
b128c09f
BB		 3922
3923usage:
6f1ffb06 3924 nvlist_free(sd.sd_nvl);
b128c09f
BB		 3925 nvlist_free(props);
3926 usage(B_FALSE);
3927 return (-1);
34dc7c2f
BB		 3928}
3929
3930/*
34dc7c2f
BB		 3931 * Send a backup stream to stdout.
3932 */
3933static int
3934zfs_do_send(int argc, char **argv)
3935{
3936 char *fromname = NULL;
3937 char *toname = NULL;
47dfff3b 3938 char *resume_token = NULL;
34dc7c2f
BB		 3939 char *cp;
3940 zfs_handle_t *zhp;
428870ff 3941 sendflags_t flags = { 0 };
34dc7c2f 3942 int c, err;
330d06f9 3943 nvlist_t *dbgnv = NULL;
428870ff 3944 boolean_t extraverbose = B_FALSE;
34dc7c2f 3945
a7004725
DK		 3946 struct option long_options[] = {
3947 {"replicate", no_argument, NULL, 'R'},
3948 {"props", no_argument, NULL, 'p'},
3949 {"parsable", no_argument, NULL, 'P'},
3950 {"dedup", no_argument, NULL, 'D'},
3951 {"verbose", no_argument, NULL, 'v'},
3952 {"dryrun", no_argument, NULL, 'n'},
3953 {"large-block", no_argument, NULL, 'L'},
3954 {"embed", no_argument, NULL, 'e'},
3955 {"resume", required_argument, NULL, 't'},
3956 {"compressed", no_argument, NULL, 'c'},
b5256303 3957 {"raw", no_argument, NULL, 'w'},
faa97c16 3958 {"backup", no_argument, NULL, 'b'},
a7004725
DK		 3959 {0, 0, 0, 0}
3960 };
3961
34dc7c2f 3962 /* check options */
faa97c16 3963 while ((c = getopt_long(argc, argv, ":i:I:RDpvnPLet:cwb", long_options,
a7004725 3964 NULL)) != -1) {
34dc7c2f
BB		 3965 switch (c) {
3966 case 'i':
3967 if (fromname)
3968 usage(B_FALSE);
3969 fromname = optarg;
3970 break;
3971 case 'I':
3972 if (fromname)
3973 usage(B_FALSE);
3974 fromname = optarg;
428870ff 3975 flags.doall = B_TRUE;
34dc7c2f
BB		 3976 break;
3977 case 'R':
428870ff
BB		 3978 flags.replicate = B_TRUE;
3979 break;
3980 case 'p':
3981 flags.props = B_TRUE;
34dc7c2f 3982 break;
faa97c16 3983 case 'b':
3984 flags.backup = B_TRUE;
3985 break;
330d06f9
MA		 3986 case 'P':
3987 flags.parsable = B_TRUE;
3988 flags.verbose = B_TRUE;
3989 break;
34dc7c2f 3990 case 'v':
428870ff
BB		 3991 if (flags.verbose)
3992 extraverbose = B_TRUE;
3993 flags.verbose = B_TRUE;
37abac6d 3994 flags.progress = B_TRUE;
428870ff
BB		 3995 break;
3996 case 'D':
3997 flags.dedup = B_TRUE;
34dc7c2f 3998 break;
330d06f9
MA		 3999 case 'n':
4000 flags.dryrun = B_TRUE;
4001 break;
f1512ee6
MA		 4002 case 'L':
4003 flags.largeblock = B_TRUE;
4004 break;
9b67f605
MA		 4005 case 'e':
4006 flags.embed_data = B_TRUE;
4007 break;
47dfff3b
MA		 4008 case 't':
4009 resume_token = optarg;
4010 break;
2aa34383
DK		 4011 case 'c':
4012 flags.compress = B_TRUE;
4013 break;
b5256303
TC		 4014 case 'w':
4015 flags.raw = B_TRUE;
4016 flags.compress = B_TRUE;
4017 flags.embed_data = B_TRUE;
4018 flags.largeblock = B_TRUE;
4019 break;
34dc7c2f 4020 case ':':
a873815b
GM		 4021 /*
4022 * If a parameter was not passed, optopt contains the
4023 * value that would normally lead us into the
4024 * appropriate case statement. If it's > 256, then this
4025 * must be a longopt and we should look at argv to get
4026 * the string. Otherwise it's just the character, so we
4027 * should use it directly.
4028 */
4029 if (optopt <= UINT8_MAX) {
4030 (void) fprintf(stderr,
4031 gettext("missing argument for '%c' "
4032 "option\n"), optopt);
4033 } else {
4034 (void) fprintf(stderr,
4035 gettext("missing argument for '%s' "
4036 "option\n"), argv[optind - 1]);
4037 }
34dc7c2f
BB		 4038 usage(B_FALSE);
4039 break;
4040 case '?':
a873815b
GM		 4041 /*FALLTHROUGH*/
4042 default:
4043 /*
4044 * If an invalid flag was passed, optopt contains the
4045 * character if it was a short flag, or 0 if it was a
4046 * longopt.
4047 */
4048 if (optopt != 0) {
4049 (void) fprintf(stderr,
4050 gettext("invalid option '%c'\n"), optopt);
4051 } else {
4052 (void) fprintf(stderr,
4053 gettext("invalid option '%s'\n"),
4054 argv[optind - 1]);
4055
4056 }
34dc7c2f
BB		 4057 usage(B_FALSE);
4058 }
4059 }
4060
4061 argc -= optind;
4062 argv += optind;
4063
47dfff3b
MA		 4064 if (resume_token != NULL) {
4065 if (fromname != NULL || flags.replicate || flags.props ||
faa97c16 4066 flags.backup || flags.dedup) {
47dfff3b
MA		 4067 (void) fprintf(stderr,
4068 gettext("invalid flags combined with -t\n"));
4069 usage(B_FALSE);
4070 }
4071 if (argc != 0) {
4072 (void) fprintf(stderr, gettext("no additional "
4073 "arguments are permitted with -t\n"));
4074 usage(B_FALSE);
4075 }
4076 } else {
4077 if (argc < 1) {
4078 (void) fprintf(stderr,
4079 gettext("missing snapshot argument\n"));
4080 usage(B_FALSE);
4081 }
4082 if (argc > 1) {
4083 (void) fprintf(stderr, gettext("too many arguments\n"));
4084 usage(B_FALSE);
4085 }
34dc7c2f
BB		 4086 }
4087
330d06f9 4088 if (!flags.dryrun && isatty(STDOUT_FILENO)) {
34dc7c2f
BB		 4089 (void) fprintf(stderr,
4090 gettext("Error: Stream can not be written to a terminal.\n"
4091 "You must redirect standard output.\n"));
4092 return (1);
4093 }
4094
47dfff3b
MA		 4095 if (resume_token != NULL) {
4096 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO,
4097 resume_token));
4098 }
4099
da536844
MA		 4100 /*
4101 * Special case sending a filesystem, or from a bookmark.
4102 */
4103 if (strchr(argv[0], '@') == NULL ||
4104 (fromname && strchr(fromname, '#') != NULL)) {
eca7b760 4105 char frombuf[ZFS_MAX_DATASET_NAME_LEN];
da536844
MA		 4106
4107 if (flags.replicate || flags.doall || flags.props ||
faa97c16 4108 flags.backup || flags.dedup ||
4109 (strchr(argv[0], '@') == NULL &&
835db585 4110 (flags.dryrun || flags.verbose || flags.progress))) {
4111 (void) fprintf(stderr, gettext("Error: "
da536844
MA		 4112 "Unsupported flag with filesystem or bookmark.\n"));
4113 return (1);
4114 }
4115
4116 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET);
4117 if (zhp == NULL)
4118 return (1);
4119
4120 if (fromname != NULL &&
4121 (fromname[0] == '#' || fromname[0] == '@')) {
4122 /*
4123 * Incremental source name begins with # or @.
4124 * Default to same fs as target.
4125 */
5df39c1e 4126 (void) strlcpy(frombuf, argv[0], sizeof (frombuf));
da536844
MA		 4127 cp = strchr(frombuf, '@');
4128 if (cp != NULL)
4129 *cp = '\0';
4130 (void) strlcat(frombuf, fromname, sizeof (frombuf));
4131 fromname = frombuf;
4132 }
835db585 4133 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, flags);
da536844
MA		 4134 zfs_close(zhp);
4135 return (err != 0);
34dc7c2f 4136 }
da536844
MA		 4137
4138 cp = strchr(argv[0], '@');
0b7936d5
AS		 4139 *cp = '\0';
4140 toname = cp + 1;
4141 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4142 if (zhp == NULL)
4143 return (1);
4144
4145 /*
4146 * If they specified the full path to the snapshot, chop off
4147 * everything except the short name of the snapshot, but special
4148 * case if they specify the origin.
4149 */
4150 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
eca7b760 4151 char origin[ZFS_MAX_DATASET_NAME_LEN];
0b7936d5
AS		 4152 zprop_source_t src;
4153
4154 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
4155 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
4156
4157 if (strcmp(origin, fromname) == 0) {
4158 fromname = NULL;
4159 flags.fromorigin = B_TRUE;
4160 } else {
4161 *cp = '\0';
4162 if (cp != fromname && strcmp(argv[0], fromname)) {
4163 (void) fprintf(stderr,
4164 gettext("incremental source must be "
4165 "in same filesystem\n"));
4166 usage(B_FALSE);
4167 }
4168 fromname = cp + 1;
4169 if (strchr(fromname, '@') || strchr(fromname, '/')) {
4170 (void) fprintf(stderr,
4171 gettext("invalid incremental source\n"));
4172 usage(B_FALSE);
4173 }
4174 }
4175 }
4176
4177 if (flags.replicate && fromname == NULL)
4178 flags.doall = B_TRUE;
4179
330d06f9 4180 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0,
0b7936d5
AS		 4181 extraverbose ? &dbgnv : NULL);
4182
330d06f9 4183 if (extraverbose && dbgnv != NULL) {
0b7936d5
AS		 4184 /*
4185 * dump_nvlist prints to stdout, but that's been
4186 * redirected to a file. Make it print to stderr
4187 * instead.
4188 */
4189 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
4190 dump_nvlist(dbgnv, 0);
4191 nvlist_free(dbgnv);
4192 }
4193 zfs_close(zhp);
4194
4195 return (err != 0);
4196}
4197
4198/*
0b7936d5
AS		 4199 * Restore a backup stream from stdin.
4200 */
4201static int
4202zfs_do_receive(int argc, char **argv)
4203{
648a09ad 4204 int c, err = 0;
0b7936d5 4205 recvflags_t flags = { 0 };
47dfff3b 4206 boolean_t abort_resumable = B_FALSE;
fcff0f35 4207 nvlist_t *props;
fcff0f35
PD		 4208
4209 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
4210 nomem();
0b7936d5
AS		 4211
4212 /* check options */
a3eeab2d 4213 while ((c = getopt(argc, argv, ":o:x:denuvFsA")) != -1) {
0b7936d5 4214 switch (c) {
fcff0f35 4215 case 'o':
a3eeab2d 4216 if (!parseprop(props, optarg)) {
a425f5bf 4217 nvlist_free(props);
a3eeab2d 4218 usage(B_FALSE);
4219 }
4220 break;
4221 case 'x':
4222 if (!parsepropname(props, optarg)) {
4223 nvlist_free(props);
4224 usage(B_FALSE);
a425f5bf 4225 }
fcff0f35 4226 break;
0b7936d5
AS		 4227 case 'd':
4228 flags.isprefix = B_TRUE;
4229 break;
4230 case 'e':
4231 flags.isprefix = B_TRUE;
4232 flags.istail = B_TRUE;
4233 break;
4234 case 'n':
4235 flags.dryrun = B_TRUE;
4236 break;
4237 case 'u':
4238 flags.nomount = B_TRUE;
4239 break;
4240 case 'v':
4241 flags.verbose = B_TRUE;
4242 break;
47dfff3b
MA		 4243 case 's':
4244 flags.resumable = B_TRUE;
4245 break;
0b7936d5
AS		 4246 case 'F':
4247 flags.force = B_TRUE;
4248 break;
47dfff3b
MA		 4249 case 'A':
4250 abort_resumable = B_TRUE;
4251 break;
0b7936d5
AS		 4252 case ':':
4253 (void) fprintf(stderr, gettext("missing argument for "
4254 "'%c' option\n"), optopt);
4255 usage(B_FALSE);
4256 break;
4257 case '?':
4258 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4259 optopt);
4260 usage(B_FALSE);
4261 }
4262 }
4263
4264 argc -= optind;
4265 argv += optind;
4266
4267 /* check number of arguments */
4268 if (argc < 1) {
4269 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
4270 usage(B_FALSE);
4271 }
4272 if (argc > 1) {
4273 (void) fprintf(stderr, gettext("too many arguments\n"));
4274 usage(B_FALSE);
4275 }
4276
47dfff3b
MA		 4277 if (abort_resumable) {
4278 if (flags.isprefix || flags.istail || flags.dryrun ||
4279 flags.resumable || flags.nomount) {
88c30122 4280 (void) fprintf(stderr, gettext("invalid option\n"));
47dfff3b
MA		 4281 usage(B_FALSE);
4282 }
4283
eca7b760 4284 char namebuf[ZFS_MAX_DATASET_NAME_LEN];
47dfff3b
MA		 4285 (void) snprintf(namebuf, sizeof (namebuf),
4286 "%s/%%recv", argv[0]);
4287
4288 if (zfs_dataset_exists(g_zfs, namebuf,
4289 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) {
4290 zfs_handle_t *zhp = zfs_open(g_zfs,
4291 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
a425f5bf 4292 if (zhp == NULL) {
4293 nvlist_free(props);
47dfff3b 4294 return (1);
a425f5bf 4295 }
47dfff3b 4296 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4297 zfs_close(zhp);
47dfff3b
MA		 4298 } else {
4299 zfs_handle_t *zhp = zfs_open(g_zfs,
4300 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4301 if (zhp == NULL)
4302 usage(B_FALSE);
4303 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) ||
4304 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
4305 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) {
4306 (void) fprintf(stderr,
4307 gettext("'%s' does not have any "
4308 "resumable receive state to abort\n"),
4309 argv[0]);
a425f5bf 4310 nvlist_free(props);
4311 zfs_close(zhp);
47dfff3b
MA		 4312 return (1);
4313 }
4314 err = zfs_destroy(zhp, B_FALSE);
a425f5bf 4315 zfs_close(zhp);
47dfff3b 4316 }
a425f5bf 4317 nvlist_free(props);
47dfff3b
MA		 4318 return (err != 0);
4319 }
4320
0b7936d5
AS		 4321 if (isatty(STDIN_FILENO)) {
4322 (void) fprintf(stderr,
4323 gettext("Error: Backup stream can not be read "
4324 "from a terminal.\n"
4325 "You must redirect standard input.\n"));
a425f5bf 4326 nvlist_free(props);
0b7936d5
AS		 4327 return (1);
4328 }
fcff0f35 4329 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL);
a425f5bf 4330 nvlist_free(props);
0b7936d5
AS		 4331
4332 return (err != 0);
4333}
4334
4335/*
4336 * allow/unallow stuff
4337 */
4338/* copied from zfs/sys/dsl_deleg.h */
4339#define ZFS_DELEG_PERM_CREATE "create"
4340#define ZFS_DELEG_PERM_DESTROY "destroy"
4341#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
4342#define ZFS_DELEG_PERM_ROLLBACK "rollback"
4343#define ZFS_DELEG_PERM_CLONE "clone"
4344#define ZFS_DELEG_PERM_PROMOTE "promote"
4345#define ZFS_DELEG_PERM_RENAME "rename"
4346#define ZFS_DELEG_PERM_MOUNT "mount"
4347#define ZFS_DELEG_PERM_SHARE "share"
4348#define ZFS_DELEG_PERM_SEND "send"
4349#define ZFS_DELEG_PERM_RECEIVE "receive"
4350#define ZFS_DELEG_PERM_ALLOW "allow"
4351#define ZFS_DELEG_PERM_USERPROP "userprop"
4352#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
4353#define ZFS_DELEG_PERM_USERQUOTA "userquota"
4354#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
4355#define ZFS_DELEG_PERM_USERUSED "userused"
4356#define ZFS_DELEG_PERM_GROUPUSED "groupused"
1de321e6
JX		 4357#define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
4358#define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
4359#define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
4360#define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
4361
0b7936d5
AS		 4362#define ZFS_DELEG_PERM_HOLD "hold"
4363#define ZFS_DELEG_PERM_RELEASE "release"
4364#define ZFS_DELEG_PERM_DIFF "diff"
da536844 4365#define ZFS_DELEG_PERM_BOOKMARK "bookmark"
b5256303
TC		 4366#define ZFS_DELEG_PERM_LOAD_KEY "load-key"
4367#define ZFS_DELEG_PERM_CHANGE_KEY "change-key"
0b7936d5 4368
9c5167d1
NF		 4369#define ZFS_DELEG_PERM_PROJECTUSED "projectused"
4370#define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota"
4371#define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused"
4372#define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota"
4373
0b7936d5
AS		 4374#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
4375
4376static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
4377 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
4378 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
4379 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
4380 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
4381 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
4382 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
4383 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
4384 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
4385 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
4386 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
4387 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
4388 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
4389 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
4390 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
4391 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
da536844 4392 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK },
b5256303
TC		 4393 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY },
4394 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY },
0b7936d5
AS		 4395
4396 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
4397 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
4398 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
4399 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
4400 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
1de321e6
JX		 4401 { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA },
4402 { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED },
4403 { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA },
4404 { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED },
9c5167d1
NF		 4405 { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED },
4406 { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA },
4407 { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED },
4408 { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA },
0b7936d5
AS		 4409 { NULL, ZFS_DELEG_NOTE_NONE }
4410};
4411
4412/* permission structure */
4413typedef struct deleg_perm {
4414 zfs_deleg_who_type_t dp_who_type;
4415 const char *dp_name;
4416 boolean_t dp_local;
4417 boolean_t dp_descend;
4418} deleg_perm_t;
4419
4420/* */
4421typedef struct deleg_perm_node {
4422 deleg_perm_t dpn_perm;
4423
4424 uu_avl_node_t dpn_avl_node;
4425} deleg_perm_node_t;
4426
4427typedef struct fs_perm fs_perm_t;
4428
4429/* permissions set */
4430typedef struct who_perm {
4431 zfs_deleg_who_type_t who_type;
4432 const char *who_name; /* id */
4433 char who_ug_name[256]; /* user/group name */
4434 fs_perm_t *who_fsperm; /* uplink */
4435
4436 uu_avl_t *who_deleg_perm_avl; /* permissions */
4437} who_perm_t;
4438
4439/* */
4440typedef struct who_perm_node {
4441 who_perm_t who_perm;
4442 uu_avl_node_t who_avl_node;
4443} who_perm_node_t;
4444
4445typedef struct fs_perm_set fs_perm_set_t;
4446/* fs permissions */
4447struct fs_perm {
4448 const char *fsp_name;
4449
4450 uu_avl_t *fsp_sc_avl; /* sets,create */
4451 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
4452
4453 fs_perm_set_t *fsp_set; /* uplink */
4454};
4455
4456/* */
4457typedef struct fs_perm_node {
4458 fs_perm_t fspn_fsperm;
4459 uu_avl_t *fspn_avl;
4460
4461 uu_list_node_t fspn_list_node;
4462} fs_perm_node_t;
4463
4464/* top level structure */
4465struct fs_perm_set {
4466 uu_list_pool_t *fsps_list_pool;
4467 uu_list_t *fsps_list; /* list of fs_perms */
4468
4469 uu_avl_pool_t *fsps_named_set_avl_pool;
4470 uu_avl_pool_t *fsps_who_perm_avl_pool;
4471 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
4472};
4473
4474static inline const char *
4475deleg_perm_type(zfs_deleg_note_t note)
4476{
4477 /* subcommands */
4478 switch (note) {
4479 /* SUBCOMMANDS */
4480 /* OTHER */
4481 case ZFS_DELEG_NOTE_GROUPQUOTA:
4482 case ZFS_DELEG_NOTE_GROUPUSED:
4483 case ZFS_DELEG_NOTE_USERPROP:
4484 case ZFS_DELEG_NOTE_USERQUOTA:
4485 case ZFS_DELEG_NOTE_USERUSED:
1de321e6
JX		 4486 case ZFS_DELEG_NOTE_USEROBJQUOTA:
4487 case ZFS_DELEG_NOTE_USEROBJUSED:
4488 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
4489 case ZFS_DELEG_NOTE_GROUPOBJUSED:
9c5167d1
NF		 4490 case ZFS_DELEG_NOTE_PROJECTUSED:
4491 case ZFS_DELEG_NOTE_PROJECTQUOTA:
4492 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
4493 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
0b7936d5
AS		 4494 /* other */
4495 return (gettext("other"));
4496 default:
4497 return (gettext("subcommand"));
4498 }
4499}
4500
648a09ad 4501static int
0b7936d5
AS		 4502who_type2weight(zfs_deleg_who_type_t who_type)
4503{
4504 int res;
4505 switch (who_type) {
4506 case ZFS_DELEG_NAMED_SET_SETS:
4507 case ZFS_DELEG_NAMED_SET:
4508 res = 0;
4509 break;
4510 case ZFS_DELEG_CREATE_SETS:
4511 case ZFS_DELEG_CREATE:
4512 res = 1;
4513 break;
4514 case ZFS_DELEG_USER_SETS:
4515 case ZFS_DELEG_USER:
4516 res = 2;
4517 break;
4518 case ZFS_DELEG_GROUP_SETS:
4519 case ZFS_DELEG_GROUP:
4520 res = 3;
4521 break;
4522 case ZFS_DELEG_EVERYONE_SETS:
4523 case ZFS_DELEG_EVERYONE:
4524 res = 4;
4525 break;
4526 default:
4527 res = -1;
4528 }
4529
4530 return (res);
4531}
4532
4533/* ARGSUSED */
4534static int
4535who_perm_compare(const void *larg, const void *rarg, void *unused)
4536{
4537 const who_perm_node_t *l = larg;
4538 const who_perm_node_t *r = rarg;
4539 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
4540 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
4541 int lweight = who_type2weight(ltype);
4542 int rweight = who_type2weight(rtype);
4543 int res = lweight - rweight;
4544 if (res == 0)
4545 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
4546 ZFS_MAX_DELEG_NAME-1);
4547
4548 if (res == 0)
4549 return (0);
4550 if (res > 0)
4551 return (1);
4552 else
4553 return (-1);
4554}
4555
4556/* ARGSUSED */
4557static int
4558deleg_perm_compare(const void *larg, const void *rarg, void *unused)
4559{
4560 const deleg_perm_node_t *l = larg;
4561 const deleg_perm_node_t *r = rarg;
4562 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
4563 ZFS_MAX_DELEG_NAME-1);
4564
4565 if (res == 0)
4566 return (0);
4567
4568 if (res > 0)
4569 return (1);
4570 else
4571 return (-1);
4572}
4573
4574static inline void
4575fs_perm_set_init(fs_perm_set_t *fspset)
4576{
4577 bzero(fspset, sizeof (fs_perm_set_t));
4578
4579 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
4580 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
4581 NULL, UU_DEFAULT)) == NULL)
4582 nomem();
4583 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
4584 UU_DEFAULT)) == NULL)
4585 nomem();
4586
4587 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
4588 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
4589 who_perm_node_t, who_avl_node), who_perm_compare,
4590 UU_DEFAULT)) == NULL)
4591 nomem();
4592
4593 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
4594 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
4595 who_perm_node_t, who_avl_node), who_perm_compare,
4596 UU_DEFAULT)) == NULL)
4597 nomem();
4598
4599 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
4600 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
4601 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
4602 == NULL)
4603 nomem();
4604}
4605
4606static inline void fs_perm_fini(fs_perm_t *);
4607static inline void who_perm_fini(who_perm_t *);
4608
4609static inline void
4610fs_perm_set_fini(fs_perm_set_t *fspset)
4611{
4612 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
4613
4614 while (node != NULL) {
4615 fs_perm_node_t *next_node =
4616 uu_list_next(fspset->fsps_list, node);
4617 fs_perm_t *fsperm = &node->fspn_fsperm;
4618 fs_perm_fini(fsperm);
4619 uu_list_remove(fspset->fsps_list, node);
4620 free(node);
4621 node = next_node;
4622 }
4623
4624 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
4625 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
4626 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
4627}
4628
4629static inline void
4630deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
4631 const char *name)
4632{
4633 deleg_perm->dp_who_type = type;
4634 deleg_perm->dp_name = name;
4635}
4636
4637static inline void
4638who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
4639 zfs_deleg_who_type_t type, const char *name)
4640{
4641 uu_avl_pool_t *pool;
4642 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
4643
4644 bzero(who_perm, sizeof (who_perm_t));
4645
4646 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
4647 UU_DEFAULT)) == NULL)
4648 nomem();
4649
4650 who_perm->who_type = type;
4651 who_perm->who_name = name;
4652 who_perm->who_fsperm = fsperm;
4653}
4654
4655static inline void
4656who_perm_fini(who_perm_t *who_perm)
4657{
4658 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
4659
4660 while (node != NULL) {
4661 deleg_perm_node_t *next_node =
4662 uu_avl_next(who_perm->who_deleg_perm_avl, node);
4663
4664 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
4665 free(node);
4666 node = next_node;
4667 }
4668
4669 uu_avl_destroy(who_perm->who_deleg_perm_avl);
4670}
4671
4672static inline void
4673fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
4674{
4675 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
4676 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
4677
4678 bzero(fsperm, sizeof (fs_perm_t));
4679
4680 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
4681 == NULL)
4682 nomem();
4683
4684 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
4685 == NULL)
4686 nomem();
4687
4688 fsperm->fsp_set = fspset;
4689 fsperm->fsp_name = fsname;
4690}
4691
4692static inline void
4693fs_perm_fini(fs_perm_t *fsperm)
4694{
4695 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
4696 while (node != NULL) {
4697 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
4698 node);
4699 who_perm_t *who_perm = &node->who_perm;
4700 who_perm_fini(who_perm);
4701 uu_avl_remove(fsperm->fsp_sc_avl, node);
4702 free(node);
4703 node = next_node;
4704 }
4705
4706 node = uu_avl_first(fsperm->fsp_uge_avl);
4707 while (node != NULL) {
4708 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
4709 node);
4710 who_perm_t *who_perm = &node->who_perm;
4711 who_perm_fini(who_perm);
4712 uu_avl_remove(fsperm->fsp_uge_avl, node);
4713 free(node);
4714 node = next_node;
4715 }
4716
4717 uu_avl_destroy(fsperm->fsp_sc_avl);
4718 uu_avl_destroy(fsperm->fsp_uge_avl);
4719}
4720
648a09ad 4721static void
0b7936d5
AS		 4722set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
4723 zfs_deleg_who_type_t who_type, const char *name, char locality)
4724{
4725 uu_avl_index_t idx = 0;
4726
4727 deleg_perm_node_t *found_node = NULL;
4728 deleg_perm_t *deleg_perm = &node->dpn_perm;
4729
4730 deleg_perm_init(deleg_perm, who_type, name);
4731
4732 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
4733 == NULL)
4734 uu_avl_insert(avl, node, idx);
4735 else {
4736 node = found_node;
4737 deleg_perm = &node->dpn_perm;
4738 }
4739
4740
4741 switch (locality) {
4742 case ZFS_DELEG_LOCAL:
4743 deleg_perm->dp_local = B_TRUE;
4744 break;
4745 case ZFS_DELEG_DESCENDENT:
4746 deleg_perm->dp_descend = B_TRUE;
4747 break;
4748 case ZFS_DELEG_NA:
4749 break;
4750 default:
4751 assert(B_FALSE); /* invalid locality */
4752 }
4753}
4754
4755static inline int
4756parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
4757{
4758 nvpair_t *nvp = NULL;
4759 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
4760 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
4761 zfs_deleg_who_type_t who_type = who_perm->who_type;
4762
4763 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4764 const char *name = nvpair_name(nvp);
4765 data_type_t type = nvpair_type(nvp);
4766 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
4767 deleg_perm_node_t *node =
4768 safe_malloc(sizeof (deleg_perm_node_t));
4769
4770 VERIFY(type == DATA_TYPE_BOOLEAN);
4771
4772 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
4773 set_deleg_perm_node(avl, node, who_type, name, locality);
4774 }
4775
4776 return (0);
4777}
4778
4779static inline int
4780parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
4781{
4782 nvpair_t *nvp = NULL;
4783 fs_perm_set_t *fspset = fsperm->fsp_set;
4784
4785 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4786 nvlist_t *nvl2 = NULL;
4787 const char *name = nvpair_name(nvp);
4788 uu_avl_t *avl = NULL;
4789 uu_avl_pool_t *avl_pool = NULL;
4790 zfs_deleg_who_type_t perm_type = name[0];
4791 char perm_locality = name[1];
4792 const char *perm_name = name + 3;
4793 boolean_t is_set = B_TRUE;
4794 who_perm_t *who_perm = NULL;
4795
4796 assert('$' == name[2]);
4797
4798 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
4799 return (-1);
4800
4801 switch (perm_type) {
4802 case ZFS_DELEG_CREATE:
4803 case ZFS_DELEG_CREATE_SETS:
4804 case ZFS_DELEG_NAMED_SET:
4805 case ZFS_DELEG_NAMED_SET_SETS:
4806 avl_pool = fspset->fsps_named_set_avl_pool;
4807 avl = fsperm->fsp_sc_avl;
4808 break;
4809 case ZFS_DELEG_USER:
4810 case ZFS_DELEG_USER_SETS:
4811 case ZFS_DELEG_GROUP:
4812 case ZFS_DELEG_GROUP_SETS:
4813 case ZFS_DELEG_EVERYONE:
4814 case ZFS_DELEG_EVERYONE_SETS:
4815 avl_pool = fspset->fsps_who_perm_avl_pool;
4816 avl = fsperm->fsp_uge_avl;
4817 break;
648a09ad 4818
0b7936d5 4819 default:
648a09ad 4820 assert(!"unhandled zfs_deleg_who_type_t");
0b7936d5
AS		 4821 }
4822
4823 if (is_set) {
4824 who_perm_node_t *found_node = NULL;
4825 who_perm_node_t *node = safe_malloc(
4826 sizeof (who_perm_node_t));
4827 who_perm = &node->who_perm;
4828 uu_avl_index_t idx = 0;
4829
4830 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
4831 who_perm_init(who_perm, fsperm, perm_type, perm_name);
4832
4833 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
4834 == NULL) {
4835 if (avl == fsperm->fsp_uge_avl) {
4836 uid_t rid = 0;
4837 struct passwd *p = NULL;
4838 struct group *g = NULL;
4839 const char *nice_name = NULL;
4840
4841 switch (perm_type) {
4842 case ZFS_DELEG_USER_SETS:
4843 case ZFS_DELEG_USER:
4844 rid = atoi(perm_name);
4845 p = getpwuid(rid);
4846 if (p)
4847 nice_name = p->pw_name;
4848 break;
4849 case ZFS_DELEG_GROUP_SETS:
4850 case ZFS_DELEG_GROUP:
4851 rid = atoi(perm_name);
4852 g = getgrgid(rid);
4853 if (g)
4854 nice_name = g->gr_name;
4855 break;
648a09ad 4856
0b7936d5
AS		 4857 default:
4858 break;
4859 }
4860
4861 if (nice_name != NULL)
4862 (void) strlcpy(
4863 node->who_perm.who_ug_name,
4864 nice_name, 256);
4865 }
4866
4867 uu_avl_insert(avl, node, idx);
4868 } else {
4869 node = found_node;
4870 who_perm = &node->who_perm;
4871 }
4872 }
a64f903b 4873 VERIFY3P(who_perm, !=, NULL);
0b7936d5
AS		 4874 (void) parse_who_perm(who_perm, nvl2, perm_locality);
4875 }
4876
4877 return (0);
4878}
4879
4880static inline int
4881parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
4882{
4883 nvpair_t *nvp = NULL;
4884 uu_avl_index_t idx = 0;
4885
4886 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4887 nvlist_t *nvl2 = NULL;
4888 const char *fsname = nvpair_name(nvp);
4889 data_type_t type = nvpair_type(nvp);
4890 fs_perm_t *fsperm = NULL;
4891 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
4892 if (node == NULL)
4893 nomem();
4894
4895 fsperm = &node->fspn_fsperm;
4896
4897 VERIFY(DATA_TYPE_NVLIST == type);
4898
4899 uu_list_node_init(node, &node->fspn_list_node,
4900 fspset->fsps_list_pool);
4901
4902 idx = uu_list_numnodes(fspset->fsps_list);
4903 fs_perm_init(fsperm, fspset, fsname);
4904
4905 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
4906 return (-1);
4907
4908 (void) parse_fs_perm(fsperm, nvl2);
4909
4910 uu_list_insert(fspset->fsps_list, node, idx);
4911 }
4912
4913 return (0);
4914}
4915
4916static inline const char *
4917deleg_perm_comment(zfs_deleg_note_t note)
4918{
4919 const char *str = "";
4920
4921 /* subcommands */
4922 switch (note) {
4923 /* SUBCOMMANDS */
4924 case ZFS_DELEG_NOTE_ALLOW:
4925 str = gettext("Must also have the permission that is being"
4926 "\n\t\t\t\tallowed");
4927 break;
4928 case ZFS_DELEG_NOTE_CLONE:
4929 str = gettext("Must also have the 'create' ability and 'mount'"
4930 "\n\t\t\t\tability in the origin file system");
4931 break;
4932 case ZFS_DELEG_NOTE_CREATE:
4933 str = gettext("Must also have the 'mount' ability");
4934 break;
4935 case ZFS_DELEG_NOTE_DESTROY:
4936 str = gettext("Must also have the 'mount' ability");
4937 break;
4938 case ZFS_DELEG_NOTE_DIFF:
4939 str = gettext("Allows lookup of paths within a dataset;"
4940 "\n\t\t\t\tgiven an object number. Ordinary users need this"
4941 "\n\t\t\t\tin order to use zfs diff");
4942 break;
4943 case ZFS_DELEG_NOTE_HOLD:
4944 str = gettext("Allows adding a user hold to a snapshot");
4945 break;
4946 case ZFS_DELEG_NOTE_MOUNT:
4947 str = gettext("Allows mount/umount of ZFS datasets");
4948 break;
4949 case ZFS_DELEG_NOTE_PROMOTE:
4950 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
4951 " 'promote' ability in the origin file system");
4952 break;
4953 case ZFS_DELEG_NOTE_RECEIVE:
4954 str = gettext("Must also have the 'mount' and 'create'"
4955 " ability");
4956 break;
4957 case ZFS_DELEG_NOTE_RELEASE:
4958 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
4959 "might destroy the snapshot");
4960 break;
4961 case ZFS_DELEG_NOTE_RENAME:
4962 str = gettext("Must also have the 'mount' and 'create'"
4963 "\n\t\t\t\tability in the new parent");
4964 break;
4965 case ZFS_DELEG_NOTE_ROLLBACK:
4966 str = gettext("");
4967 break;
4968 case ZFS_DELEG_NOTE_SEND:
4969 str = gettext("");
4970 break;
4971 case ZFS_DELEG_NOTE_SHARE:
4972 str = gettext("Allows sharing file systems over NFS or SMB"
4973 "\n\t\t\t\tprotocols");
4974 break;
4975 case ZFS_DELEG_NOTE_SNAPSHOT:
4976 str = gettext("");
4977 break;
b5256303
TC		 4978 case ZFS_DELEG_NOTE_LOAD_KEY:
4979 str = gettext("Allows loading or unloading an encryption key");
4980 break;
4981 case ZFS_DELEG_NOTE_CHANGE_KEY:
4982 str = gettext("Allows changing or adding an encryption key");
4983 break;
0b7936d5
AS		 4984/*
4985 * case ZFS_DELEG_NOTE_VSCAN:
4986 * str = gettext("");
4987 * break;
4988 */
4989 /* OTHER */
4990 case ZFS_DELEG_NOTE_GROUPQUOTA:
4991 str = gettext("Allows accessing any groupquota@... property");
4992 break;
4993 case ZFS_DELEG_NOTE_GROUPUSED:
4994 str = gettext("Allows reading any groupused@... property");
4995 break;
4996 case ZFS_DELEG_NOTE_USERPROP:
4997 str = gettext("Allows changing any user property");
4998 break;
4999 case ZFS_DELEG_NOTE_USERQUOTA:
5000 str = gettext("Allows accessing any userquota@... property");
5001 break;
5002 case ZFS_DELEG_NOTE_USERUSED:
5003 str = gettext("Allows reading any userused@... property");
5004 break;
1de321e6
JX		 5005 case ZFS_DELEG_NOTE_USEROBJQUOTA:
5006 str = gettext("Allows accessing any userobjquota@... property");
5007 break;
5008 case ZFS_DELEG_NOTE_GROUPOBJQUOTA:
5009 str = gettext("Allows accessing any \n\t\t\t\t"
5010 "groupobjquota@... property");
5011 break;
5012 case ZFS_DELEG_NOTE_GROUPOBJUSED:
5013 str = gettext("Allows reading any groupobjused@... property");
5014 break;
5015 case ZFS_DELEG_NOTE_USEROBJUSED:
5016 str = gettext("Allows reading any userobjused@... property");
5017 break;
9c5167d1
NF		 5018 case ZFS_DELEG_NOTE_PROJECTQUOTA:
5019 str = gettext("Allows accessing any projectquota@... property");
5020 break;
5021 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA:
5022 str = gettext("Allows accessing any \n\t\t\t\t"
5023 "projectobjquota@... property");
5024 break;
5025 case ZFS_DELEG_NOTE_PROJECTUSED:
5026 str = gettext("Allows reading any projectused@... property");
5027 break;
5028 case ZFS_DELEG_NOTE_PROJECTOBJUSED:
5029 str = gettext("Allows accessing any \n\t\t\t\t"
5030 "projectobjused@... property");
5031 break;
0b7936d5
AS		 5032 /* other */
5033 default:
5034 str = "";
5035 }
5036
5037 return (str);
5038}
5039
5040struct allow_opts {
5041 boolean_t local;
5042 boolean_t descend;
5043 boolean_t user;
5044 boolean_t group;
5045 boolean_t everyone;
5046 boolean_t create;
5047 boolean_t set;
5048 boolean_t recursive; /* unallow only */
5049 boolean_t prt_usage;
5050
5051 boolean_t prt_perms;
5052 char *who;
5053 char *perms;
5054 const char *dataset;
5055};
5056
5057static inline int
5058prop_cmp(const void *a, const void *b)
5059{
5060 const char *str1 = *(const char **)a;
5061 const char *str2 = *(const char **)b;
5062 return (strcmp(str1, str2));
5063}
5064
5065static void
5066allow_usage(boolean_t un, boolean_t requested, const char *msg)
5067{
5068 const char *opt_desc[] = {
5069 "-h", gettext("show this help message and exit"),
5070 "-l", gettext("set permission locally"),
5071 "-d", gettext("set permission for descents"),
5072 "-u", gettext("set permission for user"),
5073 "-g", gettext("set permission for group"),
5074 "-e", gettext("set permission for everyone"),
5075 "-c", gettext("set create time permission"),
5076 "-s", gettext("define permission set"),
5077 /* unallow only */
5078 "-r", gettext("remove permissions recursively"),
5079 };
5080 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
5081 size_t allow_size = unallow_size - 2;
5082 const char *props[ZFS_NUM_PROPS];
5083 int i;
5084 size_t count = 0;
5085 FILE *fp = requested ? stdout : stderr;
5086 zprop_desc_t *pdtbl = zfs_prop_get_table();
5087 const char *fmt = gettext("%-16s %-14s\t%s\n");
5088
5089 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
5090 HELP_ALLOW));
5091 (void) fprintf(fp, gettext("Options:\n"));
010782be 5092 for (i = 0; i < (un ? unallow_size : allow_size); i += 2) {
5093 const char *opt = opt_desc[i];
5094 const char *optdsc = opt_desc[i + 1];
0b7936d5
AS		 5095 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
5096 }
5097
5098 (void) fprintf(fp, gettext("\nThe following permissions are "
5099 "supported:\n\n"));
5100 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
5101 gettext("NOTES"));
5102 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
5103 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
5104 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
5105 const char *perm_type = deleg_perm_type(perm_note);
5106 const char *perm_comment = deleg_perm_comment(perm_note);
5107 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
5108 }
5109
5110 for (i = 0; i < ZFS_NUM_PROPS; i++) {
5111 zprop_desc_t *pd = &pdtbl[i];
5112 if (pd->pd_visible != B_TRUE)
5113 continue;
5114
5115 if (pd->pd_attr == PROP_READONLY)
5116 continue;
5117
5118 props[count++] = pd->pd_name;
5119 }
5120 props[count] = NULL;
5121
5122 qsort(props, count, sizeof (char *), prop_cmp);
5123
5124 for (i = 0; i < count; i++)
5125 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
5126
5127 if (msg != NULL)
5128 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
5129
5130 exit(requested ? 0 : 2);
5131}
5132
5133static inline const char *
5134munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
5135 char **permsp)
5136{
5137 if (un && argc == expected_argc - 1)
5138 *permsp = NULL;
5139 else if (argc == expected_argc)
5140 *permsp = argv[argc - 2];
5141 else
5142 allow_usage(un, B_FALSE,
5143 gettext("wrong number of parameters\n"));
5144
5145 return (argv[argc - 1]);
5146}
5147
5148static void
5149parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
5150{
5151 int uge_sum = opts->user + opts->group + opts->everyone;
5152 int csuge_sum = opts->create + opts->set + uge_sum;
5153 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
5154 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
5155
5156 if (uge_sum > 1)
5157 allow_usage(un, B_FALSE,
5158 gettext("-u, -g, and -e are mutually exclusive\n"));
5159
5160 if (opts->prt_usage) {
5161 if (argc == 0 && all_sum == 0)
5162 allow_usage(un, B_TRUE, NULL);
5163 else
5164 usage(B_FALSE);
5165 }
5166
5167 if (opts->set) {
5168 if (csuge_sum > 1)
5169 allow_usage(un, B_FALSE,
5170 gettext("invalid options combined with -s\n"));
5171
5172 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5173 if (argv[0][0] != '@')
5174 allow_usage(un, B_FALSE,
5175 gettext("invalid set name: missing '@' prefix\n"));
5176 opts->who = argv[0];
5177 } else if (opts->create) {
5178 if (ldcsuge_sum > 1)
5179 allow_usage(un, B_FALSE,
5180 gettext("invalid options combined with -c\n"));
5181 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5182 } else if (opts->everyone) {
5183 if (csuge_sum > 1)
5184 allow_usage(un, B_FALSE,
5185 gettext("invalid options combined with -e\n"));
5186 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
5187 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
5188 == 0) {
5189 opts->everyone = B_TRUE;
5190 argc--;
5191 argv++;
5192 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
79e72243 5193 } else if (argc == 1 && !un) {
0b7936d5
AS		 5194 opts->prt_perms = B_TRUE;
5195 opts->dataset = argv[argc-1];
5196 } else {
5197 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
5198 opts->who = argv[0];
5199 }
5200
5201 if (!opts->local && !opts->descend) {
5202 opts->local = B_TRUE;
5203 opts->descend = B_TRUE;
5204 }
5205}
5206
5207static void
5208store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
5209 const char *who, char *perms, nvlist_t *top_nvl)
5210{
5211 int i;
5212 char ld[2] = { '\0', '\0' };
eca7b760 5213 char who_buf[MAXNAMELEN + 32];
648a09ad
BB		 5214 char base_type = '\0';
5215 char set_type = '\0';
0b7936d5
AS		 5216 nvlist_t *base_nvl = NULL;
5217 nvlist_t *set_nvl = NULL;
5218 nvlist_t *nvl;
5219
5220 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
5221 nomem();
5222 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
5223 nomem();
5224
5225 switch (type) {
5226 case ZFS_DELEG_NAMED_SET_SETS:
5227 case ZFS_DELEG_NAMED_SET:
5228 set_type = ZFS_DELEG_NAMED_SET_SETS;
5229 base_type = ZFS_DELEG_NAMED_SET;
5230 ld[0] = ZFS_DELEG_NA;
5231 break;
5232 case ZFS_DELEG_CREATE_SETS:
5233 case ZFS_DELEG_CREATE:
5234 set_type = ZFS_DELEG_CREATE_SETS;
5235 base_type = ZFS_DELEG_CREATE;
5236 ld[0] = ZFS_DELEG_NA;
5237 break;
5238 case ZFS_DELEG_USER_SETS:
5239 case ZFS_DELEG_USER:
5240 set_type = ZFS_DELEG_USER_SETS;
5241 base_type = ZFS_DELEG_USER;
5242 if (local)
5243 ld[0] = ZFS_DELEG_LOCAL;
5244 if (descend)
5245 ld[1] = ZFS_DELEG_DESCENDENT;
5246 break;
5247 case ZFS_DELEG_GROUP_SETS:
5248 case ZFS_DELEG_GROUP:
5249 set_type = ZFS_DELEG_GROUP_SETS;
5250 base_type = ZFS_DELEG_GROUP;
5251 if (local)
5252 ld[0] = ZFS_DELEG_LOCAL;
5253 if (descend)
5254 ld[1] = ZFS_DELEG_DESCENDENT;
5255 break;
5256 case ZFS_DELEG_EVERYONE_SETS:
5257 case ZFS_DELEG_EVERYONE:
5258 set_type = ZFS_DELEG_EVERYONE_SETS;
5259 base_type = ZFS_DELEG_EVERYONE;
5260 if (local)
5261 ld[0] = ZFS_DELEG_LOCAL;
5262 if (descend)
5263 ld[1] = ZFS_DELEG_DESCENDENT;
0b7936d5 5264 break;
648a09ad
BB		 5265
5266 default:
5267 assert(set_type != '\0' && base_type != '\0');
0b7936d5
AS		 5268 }
5269
5270 if (perms != NULL) {
5271 char *curr = perms;
5272 char *end = curr + strlen(perms);
5273
5274 while (curr < end) {
5275 char *delim = strchr(curr, ',');
5276 if (delim == NULL)
5277 delim = end;
5278 else
5279 *delim = '\0';
5280
5281 if (curr[0] == '@')
5282 nvl = set_nvl;
5283 else
5284 nvl = base_nvl;
5285
5286 (void) nvlist_add_boolean(nvl, curr);
5287 if (delim != end)
5288 *delim = ',';
5289 curr = delim + 1;
5290 }
5291
5292 for (i = 0; i < 2; i++) {
5293 char locality = ld[i];
5294 if (locality == 0)
5295 continue;
5296
5297 if (!nvlist_empty(base_nvl)) {
5298 if (who != NULL)
5299 (void) snprintf(who_buf,
5300 sizeof (who_buf), "%c%c$%s",
5301 base_type, locality, who);
5302 else
5303 (void) snprintf(who_buf,
5304 sizeof (who_buf), "%c%c$",
5305 base_type, locality);
5306
5307 (void) nvlist_add_nvlist(top_nvl, who_buf,
5308 base_nvl);
5309 }
5310
5311
5312 if (!nvlist_empty(set_nvl)) {
5313 if (who != NULL)
5314 (void) snprintf(who_buf,
5315 sizeof (who_buf), "%c%c$%s",
5316 set_type, locality, who);
5317 else
5318 (void) snprintf(who_buf,
5319 sizeof (who_buf), "%c%c$",
5320 set_type, locality);
5321
5322 (void) nvlist_add_nvlist(top_nvl, who_buf,
5323 set_nvl);
5324 }
5325 }
5326 } else {
5327 for (i = 0; i < 2; i++) {
5328 char locality = ld[i];
5329 if (locality == 0)
5330 continue;
5331
5332 if (who != NULL)
5333 (void) snprintf(who_buf, sizeof (who_buf),
5334 "%c%c$%s", base_type, locality, who);
5335 else
5336 (void) snprintf(who_buf, sizeof (who_buf),
5337 "%c%c$", base_type, locality);
5338 (void) nvlist_add_boolean(top_nvl, who_buf);
5339
5340 if (who != NULL)
5341 (void) snprintf(who_buf, sizeof (who_buf),
5342 "%c%c$%s", set_type, locality, who);
5343 else
5344 (void) snprintf(who_buf, sizeof (who_buf),
5345 "%c%c$", set_type, locality);
5346 (void) nvlist_add_boolean(top_nvl, who_buf);
5347 }
5348 }
5349}
5350
5351static int
5352construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
5353{
5354 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
5355 nomem();
5356
5357 if (opts->set) {
5358 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
5359 opts->descend, opts->who, opts->perms, *nvlp);
5360 } else if (opts->create) {
5361 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
5362 opts->descend, NULL, opts->perms, *nvlp);
5363 } else if (opts->everyone) {
5364 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
5365 opts->descend, NULL, opts->perms, *nvlp);
5366 } else {
5367 char *curr = opts->who;
5368 char *end = curr + strlen(curr);
5369
5370 while (curr < end) {
5371 const char *who;
4c069d34 5372 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 5373 char *endch;
5374 char *delim = strchr(curr, ',');
5375 char errbuf[256];
5376 char id[64];
5377 struct passwd *p = NULL;
5378 struct group *g = NULL;
5379
5380 uid_t rid;
5381 if (delim == NULL)
5382 delim = end;
5383 else
5384 *delim = '\0';
5385
5386 rid = (uid_t)strtol(curr, &endch, 0);
5387 if (opts->user) {
5388 who_type = ZFS_DELEG_USER;
5389 if (*endch != '\0')
5390 p = getpwnam(curr);
5391 else
5392 p = getpwuid(rid);
5393
5394 if (p != NULL)
5395 rid = p->pw_uid;
5396 else {
5397 (void) snprintf(errbuf, 256, gettext(
5398 "invalid user %s"), curr);
5399 allow_usage(un, B_TRUE, errbuf);
5400 }
5401 } else if (opts->group) {
5402 who_type = ZFS_DELEG_GROUP;
5403 if (*endch != '\0')
5404 g = getgrnam(curr);
5405 else
5406 g = getgrgid(rid);
5407
5408 if (g != NULL)
5409 rid = g->gr_gid;
5410 else {
5411 (void) snprintf(errbuf, 256, gettext(
5412 "invalid group %s"), curr);
5413 allow_usage(un, B_TRUE, errbuf);
5414 }
5415 } else {
5416 if (*endch != '\0') {
5417 p = getpwnam(curr);
5418 } else {
5419 p = getpwuid(rid);
5420 }
5421
5422 if (p == NULL) {
5423 if (*endch != '\0') {
5424 g = getgrnam(curr);
5425 } else {
5426 g = getgrgid(rid);
5427 }
5428 }
5429
5430 if (p != NULL) {
5431 who_type = ZFS_DELEG_USER;
5432 rid = p->pw_uid;
5433 } else if (g != NULL) {
5434 who_type = ZFS_DELEG_GROUP;
5435 rid = g->gr_gid;
5436 } else {
5437 (void) snprintf(errbuf, 256, gettext(
5438 "invalid user/group %s"), curr);
5439 allow_usage(un, B_TRUE, errbuf);
5440 }
5441 }
5442
5443 (void) sprintf(id, "%u", rid);
5444 who = id;
5445
5446 store_allow_perm(who_type, opts->local,
5447 opts->descend, who, opts->perms, *nvlp);
5448 curr = delim + 1;
5449 }
5450 }
5451
5452 return (0);
5453}
5454
5455static void
5456print_set_creat_perms(uu_avl_t *who_avl)
5457{
5458 const char *sc_title[] = {
5459 gettext("Permission sets:\n"),
5460 gettext("Create time permissions:\n"),
5461 NULL
5462 };
5463 const char **title_ptr = sc_title;
5464 who_perm_node_t *who_node = NULL;
5465 int prev_weight = -1;
5466
5467 for (who_node = uu_avl_first(who_avl); who_node != NULL;
5468 who_node = uu_avl_next(who_avl, who_node)) {
5469 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
5470 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
5471 const char *who_name = who_node->who_perm.who_name;
5472 int weight = who_type2weight(who_type);
5473 boolean_t first = B_TRUE;
5474 deleg_perm_node_t *deleg_node;
5475
5476 if (prev_weight != weight) {
29b35200 5477 (void) printf("%s", *title_ptr++);
0b7936d5
AS		 5478 prev_weight = weight;
5479 }
5480
5481 if (who_name == NULL || strnlen(who_name, 1) == 0)
5482 (void) printf("\t");
5483 else
5484 (void) printf("\t%s ", who_name);
5485
5486 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
5487 deleg_node = uu_avl_next(avl, deleg_node)) {
5488 if (first) {
5489 (void) printf("%s",
5490 deleg_node->dpn_perm.dp_name);
5491 first = B_FALSE;
5492 } else
5493 (void) printf(",%s",
5494 deleg_node->dpn_perm.dp_name);
5495 }
5496
5497 (void) printf("\n");
5498 }
5499}
34dc7c2f 5500
648a09ad 5501static void
0b7936d5
AS		 5502print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
5503 const char *title)
5504{
5505 who_perm_node_t *who_node = NULL;
5506 boolean_t prt_title = B_TRUE;
5507 uu_avl_walk_t *walk;
34dc7c2f 5508
0b7936d5
AS		 5509 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
5510 nomem();
34dc7c2f 5511
0b7936d5
AS		 5512 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
5513 const char *who_name = who_node->who_perm.who_name;
5514 const char *nice_who_name = who_node->who_perm.who_ug_name;
5515 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
5516 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
5517 char delim = ' ';
5518 deleg_perm_node_t *deleg_node;
5519 boolean_t prt_who = B_TRUE;
5520
5521 for (deleg_node = uu_avl_first(avl);
5522 deleg_node != NULL;
5523 deleg_node = uu_avl_next(avl, deleg_node)) {
5524 if (local != deleg_node->dpn_perm.dp_local ||
5525 descend != deleg_node->dpn_perm.dp_descend)
5526 continue;
5527
5528 if (prt_who) {
5529 const char *who = NULL;
5530 if (prt_title) {
5531 prt_title = B_FALSE;
29b35200 5532 (void) printf("%s", title);
0b7936d5
AS		 5533 }
5534
5535 switch (who_type) {
5536 case ZFS_DELEG_USER_SETS:
5537 case ZFS_DELEG_USER:
5538 who = gettext("user");
5539 if (nice_who_name)
5540 who_name = nice_who_name;
5541 break;
5542 case ZFS_DELEG_GROUP_SETS:
5543 case ZFS_DELEG_GROUP:
5544 who = gettext("group");
5545 if (nice_who_name)
5546 who_name = nice_who_name;
5547 break;
5548 case ZFS_DELEG_EVERYONE_SETS:
5549 case ZFS_DELEG_EVERYONE:
5550 who = gettext("everyone");
5551 who_name = NULL;
0b7936d5 5552 break;
648a09ad
BB		 5553
5554 default:
5555 assert(who != NULL);
0b7936d5
AS		 5556 }
5557
5558 prt_who = B_FALSE;
5559 if (who_name == NULL)
5560 (void) printf("\t%s", who);
5561 else
5562 (void) printf("\t%s %s", who, who_name);
34dc7c2f 5563 }
0b7936d5
AS		 5564
5565 (void) printf("%c%s", delim,
5566 deleg_node->dpn_perm.dp_name);
5567 delim = ',';
34dc7c2f 5568 }
34dc7c2f 5569
0b7936d5
AS		 5570 if (!prt_who)
5571 (void) printf("\n");
5572 }
428870ff 5573
0b7936d5
AS		 5574 uu_avl_walk_end(walk);
5575}
34dc7c2f 5576
0b7936d5
AS		 5577static void
5578print_fs_perms(fs_perm_set_t *fspset)
5579{
5580 fs_perm_node_t *node = NULL;
eca7b760 5581 char buf[MAXNAMELEN + 32];
0b7936d5
AS		 5582 const char *dsname = buf;
5583
5584 for (node = uu_list_first(fspset->fsps_list); node != NULL;
5585 node = uu_list_next(fspset->fsps_list, node)) {
5586 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
5587 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
5588 int left = 0;
5589
eca7b760 5590 (void) snprintf(buf, sizeof (buf),
0b7936d5
AS		 5591 gettext("---- Permissions on %s "),
5592 node->fspn_fsperm.fsp_name);
29b35200 5593 (void) printf("%s", dsname);
0b7936d5
AS		 5594 left = 70 - strlen(buf);
5595 while (left-- > 0)
5596 (void) printf("-");
5597 (void) printf("\n");
5598
5599 print_set_creat_perms(sc_avl);
5600 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
5601 gettext("Local permissions:\n"));
5602 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
5603 gettext("Descendent permissions:\n"));
5604 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
5605 gettext("Local+Descendent permissions:\n"));
428870ff 5606 }
0b7936d5 5607}
34dc7c2f 5608
0b7936d5
AS		 5609static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
5610
5611struct deleg_perms {
5612 boolean_t un;
5613 nvlist_t *nvl;
5614};
5615
5616static int
5617set_deleg_perms(zfs_handle_t *zhp, void *data)
5618{
5619 struct deleg_perms *perms = (struct deleg_perms *)data;
5620 zfs_type_t zfs_type = zfs_get_type(zhp);
5621
5622 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
5623 return (0);
5624
5625 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 5626}
5627
34dc7c2f 5628static int
0b7936d5 5629zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 5630{
0b7936d5
AS		 5631 zfs_handle_t *zhp;
5632 nvlist_t *perm_nvl = NULL;
5633 nvlist_t *update_perm_nvl = NULL;
5634 int error = 1;
5635 int c;
5636 struct allow_opts opts = { 0 };
34dc7c2f 5637
0b7936d5
AS		 5638 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
5639
5640 /* check opts */
5641 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 5642 switch (c) {
0b7936d5
AS		 5643 case 'l':
5644 opts.local = B_TRUE;
5645 break;
34dc7c2f 5646 case 'd':
0b7936d5 5647 opts.descend = B_TRUE;
34dc7c2f 5648 break;
0b7936d5
AS		 5649 case 'u':
5650 opts.user = B_TRUE;
428870ff 5651 break;
0b7936d5
AS		 5652 case 'g':
5653 opts.group = B_TRUE;
34dc7c2f 5654 break;
0b7936d5
AS		 5655 case 'e':
5656 opts.everyone = B_TRUE;
d164b209 5657 break;
0b7936d5
AS		 5658 case 's':
5659 opts.set = B_TRUE;
34dc7c2f 5660 break;
0b7936d5
AS		 5661 case 'c':
5662 opts.create = B_TRUE;
5663 break;
5664 case 'r':
5665 opts.recursive = B_TRUE;
34dc7c2f
BB		 5666 break;
5667 case ':':
5668 (void) fprintf(stderr, gettext("missing argument for "
5669 "'%c' option\n"), optopt);
5670 usage(B_FALSE);
5671 break;
0b7936d5
AS		 5672 case 'h':
5673 opts.prt_usage = B_TRUE;
5674 break;
34dc7c2f
BB		 5675 case '?':
5676 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5677 optopt);
5678 usage(B_FALSE);
5679 }
5680 }
5681
5682 argc -= optind;
5683 argv += optind;
5684
0b7936d5
AS		 5685 /* check arguments */
5686 parse_allow_args(argc, argv, un, &opts);
5687
5688 /* try to open the dataset */
684e8c06
AE		 5689 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
5690 ZFS_TYPE_VOLUME)) == NULL) {
5691 (void) fprintf(stderr, "Failed to open dataset: %s\n",
0b7936d5
AS		 5692 opts.dataset);
5693 return (-1);
34dc7c2f 5694 }
0b7936d5
AS		 5695
5696 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
5697 goto cleanup2;
5698
5699 fs_perm_set_init(&fs_perm_set);
5700 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
684e8c06 5701 (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
0b7936d5 5702 goto cleanup1;
34dc7c2f
BB		 5703 }
5704
0b7936d5
AS		 5705 if (opts.prt_perms)
5706 print_fs_perms(&fs_perm_set);
5707 else {
5708 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
5709 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
5710 goto cleanup0;
5711
5712 if (un && opts.recursive) {
5713 struct deleg_perms data = { un, update_perm_nvl };
5714 if (zfs_iter_filesystems(zhp, set_deleg_perms,
5715 &data) != 0)
5716 goto cleanup0;
5717 }
34dc7c2f
BB		 5718 }
5719
0b7936d5 5720 error = 0;
34dc7c2f 5721
0b7936d5
AS		 5722cleanup0:
5723 nvlist_free(perm_nvl);
8a5fc748 5724 nvlist_free(update_perm_nvl);
0b7936d5
AS		 5725cleanup1:
5726 fs_perm_set_fini(&fs_perm_set);
5727cleanup2:
5728 zfs_close(zhp);
5729
5730 return (error);
5731}
5732
0b7936d5
AS		 5733static int
5734zfs_do_allow(int argc, char **argv)
5735{
5736 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
5737}
5738
0b7936d5
AS		 5739static int
5740zfs_do_unallow(int argc, char **argv)
5741{
5742 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 5743}
5744
45d1cae3
BB		 5745static int
5746zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
5747{
5748 int errors = 0;
5749 int i;
5750 const char *tag;
5751 boolean_t recursive = B_FALSE;
428870ff 5752 const char *opts = holding ? "rt" : "r";
45d1cae3 5753 int c;
45d1cae3
BB		 5754
5755 /* check options */
428870ff 5756 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 5757 switch (c) {
5758 case 'r':
5759 recursive = B_TRUE;
5760 break;
5761 case '?':
5762 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5763 optopt);
5764 usage(B_FALSE);
5765 }
5766 }
5767
5768 argc -= optind;
5769 argv += optind;
5770
5771 /* check number of arguments */
5772 if (argc < 2)
5773 usage(B_FALSE);
5774
5775 tag = argv[0];
5776 --argc;
5777 ++argv;
5778
428870ff
BB		 5779 if (holding && tag[0] == '.') {
5780 /* tags starting with '.' are reserved for libzfs */
5781 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
5782 usage(B_FALSE);
45d1cae3
BB		 5783 }
5784
5785 for (i = 0; i < argc; ++i) {
5786 zfs_handle_t *zhp;
eca7b760 5787 char parent[ZFS_MAX_DATASET_NAME_LEN];
45d1cae3
BB		 5788 const char *delim;
5789 char *path = argv[i];
5790
5791 delim = strchr(path, '@');
5792 if (delim == NULL) {
5793 (void) fprintf(stderr,
5794 gettext("'%s' is not a snapshot\n"), path);
5795 ++errors;
5796 continue;
5797 }
5798 (void) strncpy(parent, path, delim - path);
5799 parent[delim - path] = '\0';
5800
5801 zhp = zfs_open(g_zfs, parent,
5802 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
5803 if (zhp == NULL) {
5804 ++errors;
5805 continue;
5806 }
428870ff 5807 if (holding) {
95fd54a1 5808 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
428870ff
BB		 5809 ++errors;
5810 } else {
5811 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
5812 ++errors;
5813 }
45d1cae3
BB		 5814 zfs_close(zhp);
5815 }
5816
5817 return (errors != 0);
5818}
5819
5820/*
428870ff 5821 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 5822 *
428870ff 5823 * -r Recursively hold
45d1cae3
BB		 5824 *
5825 * Apply a user-hold with the given tag to the list of snapshots.
5826 */
5827static int
5828zfs_do_hold(int argc, char **argv)
5829{
5830 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
5831}
5832
5833/*
5834 * zfs release [-r] <tag> <snap> ...
5835 *
428870ff 5836 * -r Recursively release
45d1cae3
BB		 5837 *
5838 * Release a user-hold with the given tag from the list of snapshots.
5839 */
5840static int
5841zfs_do_release(int argc, char **argv)
5842{
5843 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
5844}
5845
0b7936d5
AS		 5846typedef struct holds_cbdata {
5847 boolean_t cb_recursive;
5848 const char *cb_snapname;
5849 nvlist_t **cb_nvlp;
5850 size_t cb_max_namelen;
5851 size_t cb_max_taglen;
5852} holds_cbdata_t;
5853
5854#define STRFTIME_FMT_STR "%a %b %e %k:%M %Y"
5855#define DATETIME_BUF_LEN (32)
5856/*
5857 *
5858 */
5859static void
5860print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl)
5861{
5862 int i;
5863 nvpair_t *nvp = NULL;
5864 char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
5865 const char *col;
5866
5867 if (!scripted) {
5868 for (i = 0; i < 3; i++) {
5869 col = gettext(hdr_cols[i]);
5870 if (i < 2)
5871 (void) printf("%-*s ", i ? tagwidth : nwidth,
5872 col);
5873 else
5874 (void) printf("%s\n", col);
5875 }
5876 }
5877
5878 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5879 char *zname = nvpair_name(nvp);
5880 nvlist_t *nvl2;
5881 nvpair_t *nvp2 = NULL;
5882 (void) nvpair_value_nvlist(nvp, &nvl2);
5883 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
5884 char tsbuf[DATETIME_BUF_LEN];
5885 char *tagname = nvpair_name(nvp2);
5886 uint64_t val = 0;
5887 time_t time;
5888 struct tm t;
0b7936d5
AS		 5889
5890 (void) nvpair_value_uint64(nvp2, &val);
5891 time = (time_t)val;
5892 (void) localtime_r(&time, &t);
5893 (void) strftime(tsbuf, DATETIME_BUF_LEN,
5894 gettext(STRFTIME_FMT_STR), &t);
5895
6bc4a237
AJ		 5896 if (scripted) {
5897 (void) printf("%s\t%s\t%s\n", zname,
5898 tagname, tsbuf);
5899 } else {
5900 (void) printf("%-*s %-*s %s\n", nwidth,
5901 zname, tagwidth, tagname, tsbuf);
5902 }
0b7936d5
AS		 5903 }
5904 }
5905}
5906
5907/*
5908 * Generic callback function to list a dataset or snapshot.
5909 */
5910static int
5911holds_callback(zfs_handle_t *zhp, void *data)
5912{
5913 holds_cbdata_t *cbp = data;
5914 nvlist_t *top_nvl = *cbp->cb_nvlp;
5915 nvlist_t *nvl = NULL;
5916 nvpair_t *nvp = NULL;
5917 const char *zname = zfs_get_name(zhp);
eca7b760 5918 size_t znamelen = strlen(zname);
0b7936d5
AS		 5919
5920 if (cbp->cb_recursive) {
5921 const char *snapname;
5922 char *delim = strchr(zname, '@');
5923 if (delim == NULL)
5924 return (0);
5925
5926 snapname = delim + 1;
5927 if (strcmp(cbp->cb_snapname, snapname))
5928 return (0);
5929 }
5930
5931 if (zfs_get_holds(zhp, &nvl) != 0)
5932 return (-1);
5933
5934 if (znamelen > cbp->cb_max_namelen)
5935 cbp->cb_max_namelen = znamelen;
5936
5937 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5938 const char *tag = nvpair_name(nvp);
eca7b760 5939 size_t taglen = strlen(tag);
0b7936d5
AS		 5940 if (taglen > cbp->cb_max_taglen)
5941 cbp->cb_max_taglen = taglen;
5942 }
5943
5944 return (nvlist_add_nvlist(top_nvl, zname, nvl));
5945}
5946
5947/*
5948 * zfs holds [-r] <snap> ...
5949 *
5950 * -r Recursively hold
5951 */
5952static int
5953zfs_do_holds(int argc, char **argv)
5954{
5955 int errors = 0;
5956 int c;
5957 int i;
5958 boolean_t scripted = B_FALSE;
5959 boolean_t recursive = B_FALSE;
5960 const char *opts = "rH";
5961 nvlist_t *nvl;
5962
5963 int types = ZFS_TYPE_SNAPSHOT;
5964 holds_cbdata_t cb = { 0 };
5965
5966 int limit = 0;
ad60af8e 5967 int ret = 0;
0b7936d5
AS		 5968 int flags = 0;
5969
5970 /* check options */
5971 while ((c = getopt(argc, argv, opts)) != -1) {
5972 switch (c) {
5973 case 'r':
5974 recursive = B_TRUE;
5975 break;
5976 case 'H':
5977 scripted = B_TRUE;
5978 break;
5979 case '?':
5980 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5981 optopt);
5982 usage(B_FALSE);
5983 }
5984 }
5985
5986 if (recursive) {
5987 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
5988 flags |= ZFS_ITER_RECURSE;
5989 }
5990
5991 argc -= optind;
5992 argv += optind;
5993
5994 /* check number of arguments */
5995 if (argc < 1)
5996 usage(B_FALSE);
5997
5998 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
5999 nomem();
6000
6001 for (i = 0; i < argc; ++i) {
6002 char *snapshot = argv[i];
6003 const char *delim;
6004 const char *snapname;
6005
6006 delim = strchr(snapshot, '@');
6007 if (delim == NULL) {
6008 (void) fprintf(stderr,
6009 gettext("'%s' is not a snapshot\n"), snapshot);
6010 ++errors;
6011 continue;
6012 }
6013 snapname = delim + 1;
6014 if (recursive)
6015 snapshot[delim - snapshot] = '\0';
6016
6017 cb.cb_recursive = recursive;
6018 cb.cb_snapname = snapname;
6019 cb.cb_nvlp = &nvl;
6020
6021 /*
6022 * 1. collect holds data, set format options
6023 */
6024 ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit,
6025 holds_callback, &cb);
6026 if (ret != 0)
6027 ++errors;
6028 }
6029
6030 /*
6031 * 2. print holds data
6032 */
6033 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl);
6034
6035 if (nvlist_empty(nvl))
42cb3819 6036 (void) fprintf(stderr, gettext("no datasets available\n"));
0b7936d5
AS		 6037
6038 nvlist_free(nvl);
6039
6040 return (0 != errors);
6041}
6042
34dc7c2f
BB		 6043#define CHECK_SPINNER 30
6044#define SPINNER_TIME 3 /* seconds */
6045#define MOUNT_TIME 5 /* seconds */
6046
6047static int
6048get_one_dataset(zfs_handle_t *zhp, void *data)
6049{
428870ff 6050 static char *spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 6051 static int spinval = 0;
6052 static int spincheck = 0;
6053 static time_t last_spin_time = (time_t)0;
572e2857 6054 get_all_cb_t *cbp = data;
34dc7c2f
BB		 6055 zfs_type_t type = zfs_get_type(zhp);
6056
6057 if (cbp->cb_verbose) {
6058 if (--spincheck < 0) {
6059 time_t now = time(NULL);
6060 if (last_spin_time + SPINNER_TIME < now) {
428870ff 6061 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 6062 last_spin_time = now;
6063 }
6064 spincheck = CHECK_SPINNER;
6065 }
6066 }
6067
6068 /*
254255f7 6069 * Iterate over any nested datasets.
34dc7c2f 6070 */
572e2857 6071 if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
34dc7c2f
BB		 6072 zfs_close(zhp);
6073 return (1);
6074 }
6075
6076 /*
6077 * Skip any datasets whose type does not match.
6078 */
572e2857 6079 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 6080 zfs_close(zhp);
6081 return (0);
6082 }
572e2857
BB		 6083 libzfs_add_handle(cbp, zhp);
6084 assert(cbp->cb_used <= cbp->cb_alloc);
34dc7c2f
BB		 6085
6086 return (0);
6087}
6088
6089static void
572e2857 6090get_all_datasets(zfs_handle_t ***dslist, size_t *count, boolean_t verbose)
34dc7c2f 6091{
572e2857 6092 get_all_cb_t cb = { 0 };
34dc7c2f 6093 cb.cb_verbose = verbose;
572e2857 6094 cb.cb_getone = get_one_dataset;
34dc7c2f 6095
428870ff
BB		 6096 if (verbose)
6097 set_progress_header(gettext("Reading ZFS config"));
34dc7c2f
BB		 6098 (void) zfs_iter_root(g_zfs, get_one_dataset, &cb);
6099
6100 *dslist = cb.cb_handles;
6101 *count = cb.cb_used;
6102
428870ff
BB		 6103 if (verbose)
6104 finish_progress(gettext("done."));
34dc7c2f
BB		 6105}
6106
34dc7c2f
BB		 6107/*
6108 * Generic callback for sharing or mounting filesystems. Because the code is so
6109 * similar, we have a common function with an extra parameter to determine which
6110 * mode we are using.
6111 */
6112#define OP_SHARE 0x1
6113#define OP_MOUNT 0x2
6114
6115/*
6116 * Share or mount a dataset.
6117 */
6118static int
6119share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
6120 boolean_t explicit, const char *options)
6121{
6122 char mountpoint[ZFS_MAXPROPLEN];
6123 char shareopts[ZFS_MAXPROPLEN];
6124 char smbshareopts[ZFS_MAXPROPLEN];
6125 const char *cmdname = op == OP_SHARE ? "share" : "mount";
6126 struct mnttab mnt;
6127 uint64_t zoned, canmount;
34dc7c2f
BB		 6128 boolean_t shared_nfs, shared_smb;
6129
572e2857 6130 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 6131
572e2857
BB		 6132 /*
6133 * Check to make sure we can mount/share this dataset. If we
6134 * are in the global zone and the filesystem is exported to a
6135 * local zone, or if we are in a local zone and the
6136 * filesystem is not exported, then it is an error.
6137 */
6138 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 6139
572e2857
BB		 6140 if (zoned && getzoneid() == GLOBAL_ZONEID) {
6141 if (!explicit)
6142 return (0);
34dc7c2f 6143
572e2857
BB		 6144 (void) fprintf(stderr, gettext("cannot %s '%s': "
6145 "dataset is exported to a local zone\n"), cmdname,
6146 zfs_get_name(zhp));
6147 return (1);
34dc7c2f 6148
572e2857
BB		 6149 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
6150 if (!explicit)
6151 return (0);
34dc7c2f 6152
572e2857
BB		 6153 (void) fprintf(stderr, gettext("cannot %s '%s': "
6154 "permission denied\n"), cmdname,
6155 zfs_get_name(zhp));
6156 return (1);
6157 }
34dc7c2f 6158
572e2857
BB		 6159 /*
6160 * Ignore any filesystems which don't apply to us. This
6161 * includes those with a legacy mountpoint, or those with
6162 * legacy share options.
6163 */
6164 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
6165 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
6166 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
6167 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
6168 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
6169 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
6170
6171 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
6172 strcmp(smbshareopts, "off") == 0) {
6173 if (!explicit)
6174 return (0);
34dc7c2f 6175
572e2857
BB		 6176 (void) fprintf(stderr, gettext("cannot share '%s': "
6177 "legacy share\n"), zfs_get_name(zhp));
6178 (void) fprintf(stderr, gettext("use share(1M) to "
6179 "share this filesystem, or set "
6180 "sharenfs property on\n"));
6181 return (1);
6182 }
34dc7c2f 6183
572e2857
BB		 6184 /*
6185 * We cannot share or mount legacy filesystems. If the
6186 * shareopts is non-legacy but the mountpoint is legacy, we
6187 * treat it as a legacy share.
6188 */
6189 if (strcmp(mountpoint, "legacy") == 0) {
6190 if (!explicit)
6191 return (0);
34dc7c2f 6192
572e2857
BB		 6193 (void) fprintf(stderr, gettext("cannot %s '%s': "
6194 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
6195 (void) fprintf(stderr, gettext("use %s(1M) to "
6196 "%s this filesystem\n"), cmdname, cmdname);
6197 return (1);
6198 }
34dc7c2f 6199
572e2857
BB		 6200 if (strcmp(mountpoint, "none") == 0) {
6201 if (!explicit)
6202 return (0);
34dc7c2f 6203
572e2857
BB		 6204 (void) fprintf(stderr, gettext("cannot %s '%s': no "
6205 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
6206 return (1);
6207 }
34dc7c2f 6208
572e2857
BB		 6209 /*
6210 * canmount explicit outcome
6211 * on no pass through
6212 * on yes pass through
6213 * off no return 0
6214 * off yes display error, return 1
6215 * noauto no return 0
6216 * noauto yes pass through
6217 */
6218 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
6219 if (canmount == ZFS_CANMOUNT_OFF) {
6220 if (!explicit)
6221 return (0);
6222
6223 (void) fprintf(stderr, gettext("cannot %s '%s': "
6224 "'canmount' property is set to 'off'\n"), cmdname,
6225 zfs_get_name(zhp));
6226 return (1);
6227 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
6228 return (0);
6229 }
6230
47dfff3b
MA		 6231 /*
6232 * If this filesystem is inconsistent and has a receive resume
6233 * token, we can not mount it.
6234 */
6235 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) &&
6236 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN,
6237 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) {
6238 if (!explicit)
6239 return (0);
6240
6241 (void) fprintf(stderr, gettext("cannot %s '%s': "
6242 "Contains partially-completed state from "
c03f0470 6243 "\"zfs receive -s\", which can be resumed with "
47dfff3b
MA		 6244 "\"zfs send -t\"\n"),
6245 cmdname, zfs_get_name(zhp));
6246 return (1);
6247 }
6248
572e2857
BB		 6249 /*
6250 * At this point, we have verified that the mountpoint and/or
6251 * shareopts are appropriate for auto management. If the
6252 * filesystem is already mounted or shared, return (failing
6253 * for explicit requests); otherwise mount or share the
6254 * filesystem.
6255 */
6256 switch (op) {
6257 case OP_SHARE:
6258
6259 shared_nfs = zfs_is_shared_nfs(zhp, NULL);
6260 shared_smb = zfs_is_shared_smb(zhp, NULL);
6261
149e873a 6262 if ((shared_nfs && shared_smb) ||
648a09ad
BB		 6263 (shared_nfs && strcmp(shareopts, "on") == 0 &&
6264 strcmp(smbshareopts, "off") == 0) ||
6265 (shared_smb && strcmp(smbshareopts, "on") == 0 &&
6266 strcmp(shareopts, "off") == 0)) {
34dc7c2f
BB		 6267 if (!explicit)
6268 return (0);
6269
572e2857
BB		 6270 (void) fprintf(stderr, gettext("cannot share "
6271 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 6272 zfs_get_name(zhp));
6273 return (1);
34dc7c2f
BB		 6274 }
6275
572e2857 6276 if (!zfs_is_mounted(zhp, NULL) &&
b5256303 6277 zfs_mount(zhp, NULL, flags) != 0)
572e2857 6278 return (1);
34dc7c2f 6279
572e2857
BB		 6280 if (protocol == NULL) {
6281 if (zfs_shareall(zhp) != 0)
34dc7c2f 6282 return (1);
572e2857
BB		 6283 } else if (strcmp(protocol, "nfs") == 0) {
6284 if (zfs_share_nfs(zhp))
34dc7c2f 6285 return (1);
572e2857
BB		 6286 } else if (strcmp(protocol, "smb") == 0) {
6287 if (zfs_share_smb(zhp))
34dc7c2f 6288 return (1);
572e2857
BB		 6289 } else {
6290 (void) fprintf(stderr, gettext("cannot share "
6291 "'%s': invalid share type '%s' "
6292 "specified\n"),
6293 zfs_get_name(zhp), protocol);
6294 return (1);
6295 }
34dc7c2f 6296
572e2857 6297 break;
34dc7c2f 6298
572e2857
BB		 6299 case OP_MOUNT:
6300 if (options == NULL)
6301 mnt.mnt_mntopts = "";
6302 else
6303 mnt.mnt_mntopts = (char *)options;
34dc7c2f 6304
572e2857
BB		 6305 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
6306 zfs_is_mounted(zhp, NULL)) {
6307 if (!explicit)
6308 return (0);
34dc7c2f 6309
572e2857
BB		 6310 (void) fprintf(stderr, gettext("cannot mount "
6311 "'%s': filesystem already mounted\n"),
6312 zfs_get_name(zhp));
6313 return (1);
34dc7c2f 6314 }
572e2857
BB		 6315
6316 if (zfs_mount(zhp, options, flags) != 0)
6317 return (1);
6318 break;
6319 }
34dc7c2f 6320
34dc7c2f
BB		 6321 return (0);
6322}
6323
6324/*
6325 * Reports progress in the form "(current/total)". Not thread-safe.
6326 */
6327static void
6328report_mount_progress(int current, int total)
6329{
428870ff 6330 static time_t last_progress_time = 0;
34dc7c2f 6331 time_t now = time(NULL);
428870ff 6332 char info[32];
34dc7c2f
BB		 6333
6334 /* report 1..n instead of 0..n-1 */
6335 ++current;
6336
6337 /* display header if we're here for the first time */
6338 if (current == 1) {
428870ff 6339 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 6340 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
6341 /* too soon to report again */
6342 return;
6343 }
6344
6345 last_progress_time = now;
6346
428870ff 6347 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 6348
428870ff
BB		 6349 if (current == total)
6350 finish_progress(info);
6351 else
6352 update_progress(info);
34dc7c2f
BB		 6353}
6354
6355static void
6356append_options(char *mntopts, char *newopts)
6357{
6358 int len = strlen(mntopts);
6359
6360 /* original length plus new string to append plus 1 for the comma */
6361 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
6362 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 6363 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 6364 "-o", MNT_LINE_MAX);
6365 usage(B_FALSE);
6366 }
6367
6368 if (*mntopts)
6369 mntopts[len++] = ',';
6370
6371 (void) strcpy(&mntopts[len], newopts);
6372}
6373
6374static int
6375share_mount(int op, int argc, char **argv)
6376{
6377 int do_all = 0;
6378 boolean_t verbose = B_FALSE;
6379 int c, ret = 0;
6380 char *options = NULL;
572e2857 6381 int flags = 0;
34dc7c2f
BB		 6382
6383 /* check options */
b5256303 6384 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":alvo:O" : "al"))
34dc7c2f
BB		 6385 != -1) {
6386 switch (c) {
6387 case 'a':
6388 do_all = 1;
6389 break;
6390 case 'v':
6391 verbose = B_TRUE;
6392 break;
b5256303
TC		 6393 case 'l':
6394 flags |= MS_CRYPT;
6395 break;
34dc7c2f
BB		 6396 case 'o':
6397 if (*optarg == '\0') {
6398 (void) fprintf(stderr, gettext("empty mount "
6399 "options (-o) specified\n"));
6400 usage(B_FALSE);
6401 }
6402
6403 if (options == NULL)
6404 options = safe_malloc(MNT_LINE_MAX + 1);
6405
6406 /* option validation is done later */
6407 append_options(options, optarg);
6408 break;
e18be9a6
SC		 6409 case 'O':
6410 flags |= MS_OVERLAY;
6411 break;
34dc7c2f
BB		 6412 case ':':
6413 (void) fprintf(stderr, gettext("missing argument for "
6414 "'%c' option\n"), optopt);
6415 usage(B_FALSE);
6416 break;
6417 case '?':
6418 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6419 optopt);
6420 usage(B_FALSE);
6421 }
6422 }
6423
6424 argc -= optind;
6425 argv += optind;
6426
6427 /* check number of arguments */
6428 if (do_all) {
6429 zfs_handle_t **dslist = NULL;
6430 size_t i, count = 0;
6431 char *protocol = NULL;
6432
572e2857
BB		 6433 if (op == OP_SHARE && argc > 0) {
6434 if (strcmp(argv[0], "nfs") != 0 &&
6435 strcmp(argv[0], "smb") != 0) {
34dc7c2f 6436 (void) fprintf(stderr, gettext("share type "
428870ff 6437 "must be 'nfs' or 'smb'\n"));
34dc7c2f
BB		 6438 usage(B_FALSE);
6439 }
6440 protocol = argv[0];
6441 argc--;
6442 argv++;
34dc7c2f
BB		 6443 }
6444
6445 if (argc != 0) {
6446 (void) fprintf(stderr, gettext("too many arguments\n"));
6447 usage(B_FALSE);
6448 }
6449
428870ff 6450 start_progress_timer();
572e2857 6451 get_all_datasets(&dslist, &count, verbose);
34dc7c2f 6452
e2c292bb 6453 if (count == 0) {
6454 if (options != NULL)
6455 free(options);
34dc7c2f 6456 return (0);
e2c292bb 6457 }
34dc7c2f 6458
572e2857 6459 qsort(dslist, count, sizeof (void *), libzfs_dataset_cmp);
34dc7c2f
BB		 6460
6461 for (i = 0; i < count; i++) {
6462 if (verbose)
6463 report_mount_progress(i, count);
6464
6465 if (share_mount_one(dslist[i], op, flags, protocol,
6466 B_FALSE, options) != 0)
6467 ret = 1;
6468 zfs_close(dslist[i]);
6469 }
6470
6471 free(dslist);
6472 } else if (argc == 0) {
6473 struct mnttab entry;
6474
6475 if ((op == OP_SHARE) || (options != NULL)) {
6476 (void) fprintf(stderr, gettext("missing filesystem "
6477 "argument (specify -a for all)\n"));
6478 usage(B_FALSE);
6479 }
6480
6481 /*
79251738 6482 * When mount is given no arguments, go through
6483 * /proc/self/mounts and display any active ZFS mounts.
6484 * We hide any snapshots, since they are controlled
6485 * automatically.
34dc7c2f 6486 */
cbca6076
JL		 6487
6488 /* Reopen MNTTAB to prevent reading stale data from open file */
e2c292bb 6489 if (freopen(MNTTAB, "r", mnttab_file) == NULL) {
6490 if (options != NULL)
6491 free(options);
cbca6076 6492 return (ENOENT);
e2c292bb 6493 }
cbca6076 6494
34dc7c2f
BB		 6495 while (getmntent(mnttab_file, &entry) == 0) {
6496 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
6497 strchr(entry.mnt_special, '@') != NULL)
6498 continue;
6499
6500 (void) printf("%-30s %s\n", entry.mnt_special,
6501 entry.mnt_mountp);
6502 }
6503
6504 } else {
6505 zfs_handle_t *zhp;
6506
34dc7c2f
BB		 6507 if (argc > 1) {
6508 (void) fprintf(stderr,
6509 gettext("too many arguments\n"));
6510 usage(B_FALSE);
6511 }
6512
572e2857
BB		 6513 if ((zhp = zfs_open(g_zfs, argv[0],
6514 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 6515 ret = 1;
6516 } else {
6517 ret = share_mount_one(zhp, op, flags, NULL, B_TRUE,
6518 options);
6519 zfs_close(zhp);
6520 }
6521 }
6522
e2c292bb 6523 if (options != NULL)
6524 free(options);
6525
34dc7c2f
BB		 6526 return (ret);
6527}
6528
6529/*
428870ff 6530 * zfs mount -a [nfs]
34dc7c2f
BB		 6531 * zfs mount filesystem
6532 *
6533 * Mount all filesystems, or mount the given filesystem.
6534 */
6535static int
6536zfs_do_mount(int argc, char **argv)
6537{
6538 return (share_mount(OP_MOUNT, argc, argv));
6539}
6540
6541/*
428870ff 6542 * zfs share -a [nfs | smb]
34dc7c2f
BB		 6543 * zfs share filesystem
6544 *
6545 * Share all filesystems, or share the given filesystem.
6546 */
6547static int
6548zfs_do_share(int argc, char **argv)
6549{
6550 return (share_mount(OP_SHARE, argc, argv));
6551}
6552
6553typedef struct unshare_unmount_node {
6554 zfs_handle_t *un_zhp;
6555 char *un_mountp;
6556 uu_avl_node_t un_avlnode;
6557} unshare_unmount_node_t;
6558
6559/* ARGSUSED */
6560static int
6561unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
6562{
6563 const unshare_unmount_node_t *l = larg;
6564 const unshare_unmount_node_t *r = rarg;
6565
6566 return (strcmp(l->un_mountp, r->un_mountp));
6567}
6568
6569/*
6570 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
79251738 6571 * absolute path, find the entry /proc/self/mounts, verify that its a
6572 * ZFS filesystems, and unmount it appropriately.
34dc7c2f
BB		 6573 */
6574static int
6575unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
6576{
6577 zfs_handle_t *zhp;
ad60af8e 6578 int ret = 0;
34dc7c2f
BB		 6579 struct stat64 statbuf;
6580 struct extmnttab entry;
6581 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
6582 ino_t path_inode;
6583
6584 /*
79251738 6585 * Search for the path in /proc/self/mounts. Rather than looking for the
34dc7c2f
BB		 6586 * specific path, which can be fooled by non-standard paths (i.e. ".."
6587 * or "//"), we stat() the path and search for the corresponding
6588 * (major,minor) device pair.
6589 */
6590 if (stat64(path, &statbuf) != 0) {
6591 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
6592 cmdname, path, strerror(errno));
6593 return (1);
6594 }
6595 path_inode = statbuf.st_ino;
6596
6597 /*
6598 * Search for the given (major,minor) pair in the mount table.
6599 */
cbca6076
JL		 6600
6601 /* Reopen MNTTAB to prevent reading stale data from open file */
6602 if (freopen(MNTTAB, "r", mnttab_file) == NULL)
6603 return (ENOENT);
6604
34dc7c2f
BB		 6605 while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) {
6606 if (entry.mnt_major == major(statbuf.st_dev) &&
6607 entry.mnt_minor == minor(statbuf.st_dev))
6608 break;
6609 }
6610 if (ret != 0) {
6611 if (op == OP_SHARE) {
6612 (void) fprintf(stderr, gettext("cannot %s '%s': not "
6613 "currently mounted\n"), cmdname, path);
6614 return (1);
6615 }
79251738 6616 (void) fprintf(stderr, gettext("warning: %s not in"
6617 "/proc/self/mounts\n"), path);
34dc7c2f
BB		 6618 if ((ret = umount2(path, flags)) != 0)
6619 (void) fprintf(stderr, gettext("%s: %s\n"), path,
6620 strerror(errno));
6621 return (ret != 0);
6622 }
6623
6624 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
6625 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
6626 "filesystem\n"), cmdname, path);
6627 return (1);
6628 }
6629
6630 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
6631 ZFS_TYPE_FILESYSTEM)) == NULL)
6632 return (1);
6633
34dc7c2f 6634 ret = 1;
b128c09f
BB		 6635 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
6636 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
6637 cmdname, path, strerror(errno));
6638 goto out;
6639 } else if (statbuf.st_ino != path_inode) {
6640 (void) fprintf(stderr, gettext("cannot "
6641 "%s '%s': not a mountpoint\n"), cmdname, path);
6642 goto out;
6643 }
6644
34dc7c2f
BB		 6645 if (op == OP_SHARE) {
6646 char nfs_mnt_prop[ZFS_MAXPROPLEN];
6647 char smbshare_prop[ZFS_MAXPROPLEN];
6648
6649 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
6650 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
6651 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
6652 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
6653
6654 if (strcmp(nfs_mnt_prop, "off") == 0 &&
6655 strcmp(smbshare_prop, "off") == 0) {
6656 (void) fprintf(stderr, gettext("cannot unshare "
6657 "'%s': legacy share\n"), path);
9a616b5d
BB		 6658 (void) fprintf(stderr, gettext("use exportfs(8) "
6659 "or smbcontrol(1) to unshare this filesystem\n"));
34dc7c2f
BB		 6660 } else if (!zfs_is_shared(zhp)) {
6661 (void) fprintf(stderr, gettext("cannot unshare '%s': "
6662 "not currently shared\n"), path);
6663 } else {
6664 ret = zfs_unshareall_bypath(zhp, path);
6665 }
6666 } else {
6667 char mtpt_prop[ZFS_MAXPROPLEN];
6668
6669 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
6670 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
6671
b128c09f 6672 if (is_manual) {
34dc7c2f
BB		 6673 ret = zfs_unmount(zhp, NULL, flags);
6674 } else if (strcmp(mtpt_prop, "legacy") == 0) {
6675 (void) fprintf(stderr, gettext("cannot unmount "
6676 "'%s': legacy mountpoint\n"),
6677 zfs_get_name(zhp));
9a616b5d 6678 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 6679 "to unmount this filesystem\n"));
6680 } else {
6681 ret = zfs_unmountall(zhp, flags);
6682 }
6683 }
6684
b128c09f 6685out:
34dc7c2f
BB		 6686 zfs_close(zhp);
6687
6688 return (ret != 0);
6689}
6690
6691/*
6692 * Generic callback for unsharing or unmounting a filesystem.
6693 */
6694static int
6695unshare_unmount(int op, int argc, char **argv)
6696{
6697 int do_all = 0;
6698 int flags = 0;
6699 int ret = 0;
572e2857 6700 int c;
34dc7c2f 6701 zfs_handle_t *zhp;
428870ff 6702 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 6703 char sharesmb[ZFS_MAXPROPLEN];
6704
6705 /* check options */
2f71caf2 6706 while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "af")) != -1) {
34dc7c2f
BB		 6707 switch (c) {
6708 case 'a':
6709 do_all = 1;
6710 break;
6711 case 'f':
6712 flags = MS_FORCE;
6713 break;
2f71caf2 6714 case ':':
6715 (void) fprintf(stderr, gettext("missing argument for "
6716 "'%c' option\n"), optopt);
6717 usage(B_FALSE);
6718 break;
34dc7c2f
BB		 6719 case '?':
6720 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6721 optopt);
6722 usage(B_FALSE);
6723 }
6724 }
6725
6726 argc -= optind;
6727 argv += optind;
6728
6729 if (do_all) {
6730 /*
6731 * We could make use of zfs_for_each() to walk all datasets in
6732 * the system, but this would be very inefficient, especially
79251738 6733 * since we would have to linearly search /proc/self/mounts for
6734 * each one. Instead, do one pass through /proc/self/mounts
6735 * looking for zfs entries and call zfs_unmount() for each one.
34dc7c2f
BB		 6736 *
6737 * Things get a little tricky if the administrator has created
6738 * mountpoints beneath other ZFS filesystems. In this case, we
6739 * have to unmount the deepest filesystems first. To accomplish
6740 * this, we place all the mountpoints in an AVL tree sorted by
6741 * the special type (dataset name), and walk the result in
6742 * reverse to make sure to get any snapshots first.
6743 */
6744 struct mnttab entry;
6745 uu_avl_pool_t *pool;
149e873a 6746 uu_avl_t *tree = NULL;
34dc7c2f
BB		 6747 unshare_unmount_node_t *node;
6748 uu_avl_index_t idx;
6749 uu_avl_walk_t *walk;
2f71caf2 6750 char *protocol = NULL;
6751
6752 if (op == OP_SHARE && argc > 0) {
6753 if (strcmp(argv[0], "nfs") != 0 &&
6754 strcmp(argv[0], "smb") != 0) {
6755 (void) fprintf(stderr, gettext("share type "
6756 "must be 'nfs' or 'smb'\n"));
6757 usage(B_FALSE);
6758 }
6759 protocol = argv[0];
6760 argc--;
6761 argv++;
6762 }
34dc7c2f
BB		 6763
6764 if (argc != 0) {
6765 (void) fprintf(stderr, gettext("too many arguments\n"));
6766 usage(B_FALSE);
6767 }
6768
428870ff 6769 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 6770 sizeof (unshare_unmount_node_t),
6771 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 6772 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
6773 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
6774 nomem();
34dc7c2f 6775
cbca6076
JL		 6776 /* Reopen MNTTAB to prevent reading stale data from open file */
6777 if (freopen(MNTTAB, "r", mnttab_file) == NULL)
6778 return (ENOENT);
6779
34dc7c2f
BB		 6780 while (getmntent(mnttab_file, &entry) == 0) {
6781
6782 /* ignore non-ZFS entries */
6783 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
6784 continue;
6785
6786 /* ignore snapshots */
6787 if (strchr(entry.mnt_special, '@') != NULL)
6788 continue;
6789
6790 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
6791 ZFS_TYPE_FILESYSTEM)) == NULL) {
6792 ret = 1;
6793 continue;
6794 }
6795
d21d5b82
GDN		 6796 /*
6797 * Ignore datasets that are excluded/restricted by
6798 * parent pool name.
6799 */
6800 if (zpool_skip_pool(zfs_get_pool_name(zhp))) {
6801 zfs_close(zhp);
6802 continue;
6803 }
6804
34dc7c2f
BB		 6805 switch (op) {
6806 case OP_SHARE:
6807 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 6808 nfs_mnt_prop,
6809 sizeof (nfs_mnt_prop),
34dc7c2f 6810 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6811 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 6812 break;
6813 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 6814 nfs_mnt_prop,
6815 sizeof (nfs_mnt_prop),
34dc7c2f 6816 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6817 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 6818 continue;
6819 break;
6820 case OP_MOUNT:
6821 /* Ignore legacy mounts */
6822 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 6823 nfs_mnt_prop,
6824 sizeof (nfs_mnt_prop),
34dc7c2f 6825 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6826 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 6827 continue;
6828 /* Ignore canmount=noauto mounts */
6829 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
6830 ZFS_CANMOUNT_NOAUTO)
6831 continue;
6832 default:
6833 break;
6834 }
6835
6836 node = safe_malloc(sizeof (unshare_unmount_node_t));
6837 node->un_zhp = zhp;
428870ff 6838 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 6839
6840 uu_avl_node_init(node, &node->un_avlnode, pool);
6841
6842 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
6843 uu_avl_insert(tree, node, idx);
6844 } else {
6845 zfs_close(node->un_zhp);
6846 free(node->un_mountp);
6847 free(node);
6848 }
6849 }
6850
6851 /*
6852 * Walk the AVL tree in reverse, unmounting each filesystem and
6853 * removing it from the AVL tree in the process.
6854 */
6855 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 6856 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
6857 nomem();
34dc7c2f
BB		 6858
6859 while ((node = uu_avl_walk_next(walk)) != NULL) {
6860 uu_avl_remove(tree, node);
6861
6862 switch (op) {
6863 case OP_SHARE:
2f71caf2 6864 if (zfs_unshareall_bytype(node->un_zhp,
6865 node->un_mountp, protocol) != 0)
34dc7c2f
BB		 6866 ret = 1;
6867 break;
6868
6869 case OP_MOUNT:
6870 if (zfs_unmount(node->un_zhp,
3fd3e56c 6871 node->un_zhp->zfs_name, flags) != 0)
34dc7c2f
BB		 6872 ret = 1;
6873 break;
6874 }
6875
6876 zfs_close(node->un_zhp);
6877 free(node->un_mountp);
6878 free(node);
6879 }
6880
6881 uu_avl_walk_end(walk);
6882 uu_avl_destroy(tree);
6883 uu_avl_pool_destroy(pool);
6884
34dc7c2f
BB		 6885 } else {
6886 if (argc != 1) {
6887 if (argc == 0)
6888 (void) fprintf(stderr,
6889 gettext("missing filesystem argument\n"));
6890 else
6891 (void) fprintf(stderr,
6892 gettext("too many arguments\n"));
6893 usage(B_FALSE);
6894 }
6895
6896 /*
6897 * We have an argument, but it may be a full path or a ZFS
6898 * filesystem. Pass full paths off to unmount_path() (shared by
6899 * manual_unmount), otherwise open the filesystem and pass to
6900 * zfs_unmount().
6901 */
6902 if (argv[0][0] == '/')
6903 return (unshare_unmount_path(op, argv[0],
6904 flags, B_FALSE));
6905
572e2857
BB		 6906 if ((zhp = zfs_open(g_zfs, argv[0],
6907 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 6908 return (1);
6909
572e2857
BB		 6910 verify(zfs_prop_get(zhp, op == OP_SHARE ?
6911 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
6912 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
6913 NULL, 0, B_FALSE) == 0);
34dc7c2f 6914
572e2857
BB		 6915 switch (op) {
6916 case OP_SHARE:
6917 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
6918 nfs_mnt_prop,
6919 sizeof (nfs_mnt_prop),
6920 NULL, NULL, 0, B_FALSE) == 0);
6921 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
6922 sharesmb, sizeof (sharesmb), NULL, NULL,
6923 0, B_FALSE) == 0);
6924
6925 if (strcmp(nfs_mnt_prop, "off") == 0 &&
6926 strcmp(sharesmb, "off") == 0) {
6927 (void) fprintf(stderr, gettext("cannot "
6928 "unshare '%s': legacy share\n"),
6929 zfs_get_name(zhp));
6930 (void) fprintf(stderr, gettext("use "
6931 "unshare(1M) to unshare this "
6932 "filesystem\n"));
6933 ret = 1;
6934 } else if (!zfs_is_shared(zhp)) {
6935 (void) fprintf(stderr, gettext("cannot "
6936 "unshare '%s': not currently "
6937 "shared\n"), zfs_get_name(zhp));
6938 ret = 1;
6939 } else if (zfs_unshareall(zhp) != 0) {
6940 ret = 1;
6941 }
6942 break;
34dc7c2f 6943
572e2857
BB		 6944 case OP_MOUNT:
6945 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
6946 (void) fprintf(stderr, gettext("cannot "
6947 "unmount '%s': legacy "
6948 "mountpoint\n"), zfs_get_name(zhp));
6949 (void) fprintf(stderr, gettext("use "
6950 "umount(1M) to unmount this "
6951 "filesystem\n"));
6952 ret = 1;
6953 } else if (!zfs_is_mounted(zhp, NULL)) {
6954 (void) fprintf(stderr, gettext("cannot "
6955 "unmount '%s': not currently "
6956 "mounted\n"),
6957 zfs_get_name(zhp));
6958 ret = 1;
6959 } else if (zfs_unmountall(zhp, flags) != 0) {
6960 ret = 1;
34dc7c2f 6961 }
572e2857 6962 break;
34dc7c2f
BB		 6963 }
6964
6965 zfs_close(zhp);
6966 }
6967
6968 return (ret);
6969}
6970
6971/*
6972 * zfs unmount -a
6973 * zfs unmount filesystem
6974 *
6975 * Unmount all filesystems, or a specific ZFS filesystem.
6976 */
6977static int
6978zfs_do_unmount(int argc, char **argv)
6979{
6980 return (unshare_unmount(OP_MOUNT, argc, argv));
6981}
6982
6983/*
6984 * zfs unshare -a
6985 * zfs unshare filesystem
6986 *
6987 * Unshare all filesystems, or a specific ZFS filesystem.
6988 */
6989static int
6990zfs_do_unshare(int argc, char **argv)
6991{
6992 return (unshare_unmount(OP_SHARE, argc, argv));
6993}
6994
34dc7c2f
BB		 6995static int
6996find_command_idx(char *command, int *idx)
6997{
6998 int i;
6999
7000 for (i = 0; i < NCOMMAND; i++) {
7001 if (command_table[i].name == NULL)
7002 continue;
7003
7004 if (strcmp(command, command_table[i].name) == 0) {
7005 *idx = i;
7006 return (0);
7007 }
7008 }
7009 return (1);
7010}
7011
572e2857
BB		 7012static int
7013zfs_do_diff(int argc, char **argv)
7014{
7015 zfs_handle_t *zhp;
7016 int flags = 0;
7017 char *tosnap = NULL;
7018 char *fromsnap = NULL;
7019 char *atp, *copy;
ad60af8e 7020 int err = 0;
572e2857
BB		 7021 int c;
7022
7023 while ((c = getopt(argc, argv, "FHt")) != -1) {
7024 switch (c) {
7025 case 'F':
7026 flags |= ZFS_DIFF_CLASSIFY;
7027 break;
7028 case 'H':
7029 flags |= ZFS_DIFF_PARSEABLE;
7030 break;
7031 case 't':
7032 flags |= ZFS_DIFF_TIMESTAMP;
7033 break;
7034 default:
7035 (void) fprintf(stderr,
7036 gettext("invalid option '%c'\n"), optopt);
7037 usage(B_FALSE);
7038 }
7039 }
7040
7041 argc -= optind;
7042 argv += optind;
7043
7044 if (argc < 1) {
7045 (void) fprintf(stderr,
7046 gettext("must provide at least one snapshot name\n"));
7047 usage(B_FALSE);
7048 }
7049
7050 if (argc > 2) {
7051 (void) fprintf(stderr, gettext("too many arguments\n"));
7052 usage(B_FALSE);
7053 }
7054
7055 fromsnap = argv[0];
7056 tosnap = (argc == 2) ? argv[1] : NULL;
7057
7058 copy = NULL;
7059 if (*fromsnap != '@')
7060 copy = strdup(fromsnap);
7061 else if (tosnap)
7062 copy = strdup(tosnap);
7063 if (copy == NULL)
7064 usage(B_FALSE);
7065
648a09ad 7066 if ((atp = strchr(copy, '@')) != NULL)
572e2857
BB		 7067 *atp = '\0';
7068
9ec0403d 7069 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) {
7070 free(copy);
572e2857 7071 return (1);
9ec0403d 7072 }
572e2857
BB		 7073 free(copy);
7074
7075 /*
7076 * Ignore SIGPIPE so that the library can give us
7077 * information on any failure
7078 */
7079 (void) sigignore(SIGPIPE);
7080
7081 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
7082
7083 zfs_close(zhp);
7084
7085 return (err != 0);
7086}
7087
da536844
MA		 7088/*
7089 * zfs bookmark <fs@snap> <fs#bmark>
7090 *
7091 * Creates a bookmark with the given name from the given snapshot.
7092 */
7093static int
7094zfs_do_bookmark(int argc, char **argv)
7095{
eca7b760 7096 char snapname[ZFS_MAX_DATASET_NAME_LEN];
587e228a 7097 char bookname[ZFS_MAX_DATASET_NAME_LEN];
da536844
MA		 7098 zfs_handle_t *zhp;
7099 nvlist_t *nvl;
7100 int ret = 0;
7101 int c;
7102
7103 /* check options */
7104 while ((c = getopt(argc, argv, "")) != -1) {
7105 switch (c) {
7106 case '?':
7107 (void) fprintf(stderr,
7108 gettext("invalid option '%c'\n"), optopt);
7109 goto usage;
7110 }
7111 }
7112
7113 argc -= optind;
7114 argv += optind;
7115
7116 /* check number of arguments */
7117 if (argc < 1) {
7118 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
7119 goto usage;
7120 }
7121 if (argc < 2) {
7122 (void) fprintf(stderr, gettext("missing bookmark argument\n"));
7123 goto usage;
7124 }
7125
4af6873a 7126 if (strchr(argv[0], '@') == NULL) {
7127 (void) fprintf(stderr,
7128 gettext("invalid snapshot name '%s': "
7129 "must contain a '@'\n"), argv[0]);
7130 goto usage;
7131 }
da536844
MA		 7132 if (strchr(argv[1], '#') == NULL) {
7133 (void) fprintf(stderr,
587e228a 7134 gettext("invalid bookmark name '%s': "
da536844
MA		 7135 "must contain a '#'\n"), argv[1]);
7136 goto usage;
7137 }
7138
7139 if (argv[0][0] == '@') {
7140 /*
7141 * Snapshot name begins with @.
7142 * Default to same fs as bookmark.
7143 */
0b78aeae 7144 (void) strlcpy(snapname, argv[1], sizeof (snapname));
da536844
MA		 7145 *strchr(snapname, '#') = '\0';
7146 (void) strlcat(snapname, argv[0], sizeof (snapname));
7147 } else {
5df39c1e 7148 (void) strlcpy(snapname, argv[0], sizeof (snapname));
da536844 7149 }
587e228a 7150 if (argv[1][0] == '#') {
7151 /*
7152 * Bookmark name begins with #.
7153 * Default to same fs as snapshot.
7154 */
7155 (void) strlcpy(bookname, argv[0], sizeof (bookname));
7156 *strchr(bookname, '@') = '\0';
7157 (void) strlcat(bookname, argv[1], sizeof (bookname));
7158 } else {
7159 (void) strlcpy(bookname, argv[1], sizeof (bookname));
7160 }
7161
da536844
MA		 7162 zhp = zfs_open(g_zfs, snapname, ZFS_TYPE_SNAPSHOT);
7163 if (zhp == NULL)
7164 goto usage;
7165 zfs_close(zhp);
7166
7167
7168 nvl = fnvlist_alloc();
587e228a 7169 fnvlist_add_string(nvl, bookname, snapname);
da536844
MA		 7170 ret = lzc_bookmark(nvl, NULL);
7171 fnvlist_free(nvl);
7172
7173 if (ret != 0) {
7174 const char *err_msg;
7175 char errbuf[1024];
7176
7177 (void) snprintf(errbuf, sizeof (errbuf),
7178 dgettext(TEXT_DOMAIN,
587e228a 7179 "cannot create bookmark '%s'"), bookname);
da536844
MA		 7180
7181 switch (ret) {
7182 case EXDEV:
7183 err_msg = "bookmark is in a different pool";
7184 break;
7185 case EEXIST:
7186 err_msg = "bookmark exists";
7187 break;
7188 case EINVAL:
7189 err_msg = "invalid argument";
7190 break;
7191 case ENOTSUP:
7192 err_msg = "bookmark feature not enabled";
7193 break;
3d45fdd6
MA		 7194 case ENOSPC:
7195 err_msg = "out of space";
7196 break;
587e228a 7197 case ENOENT:
7198 err_msg = "dataset does not exist";
7199 break;
da536844
MA		 7200 default:
7201 err_msg = "unknown error";
7202 break;
7203 }
7204 (void) fprintf(stderr, "%s: %s\n", errbuf,
7205 dgettext(TEXT_DOMAIN, err_msg));
7206 }
7207
3d45fdd6 7208 return (ret != 0);
da536844
MA		 7209
7210usage:
7211 usage(B_FALSE);
7212 return (-1);
7213}
7214
d99a0153
CW		 7215static int
7216zfs_do_channel_program(int argc, char **argv)
7217{
7218 int ret, fd, c;
7219 char *progbuf, *filename, *poolname;
7220 size_t progsize, progread;
7221 nvlist_t *outnvl;
7222 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT;
7223 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT;
272b5d73 7224 boolean_t sync_flag = B_TRUE, json_output = B_FALSE;
d99a0153
CW		 7225 zpool_handle_t *zhp;
7226
7227 /* check options */
272b5d73 7228 while ((c = getopt(argc, argv, "nt:m:j")) != -1) {
d99a0153
CW		 7229 switch (c) {
7230 case 't':
7231 case 'm': {
7232 uint64_t arg;
7233 char *endp;
7234
7235 errno = 0;
7236 arg = strtoull(optarg, &endp, 0);
7237 if (errno != 0 || *endp != '\0') {
7238 (void) fprintf(stderr, gettext(
7239 "invalid argument "
7240 "'%s': expected integer\n"), optarg);
7241 goto usage;
7242 }
7243
7244 if (c == 't') {
7245 if (arg > ZCP_MAX_INSTRLIMIT || arg == 0) {
7246 (void) fprintf(stderr, gettext(
7247 "Invalid instruction limit: "
7248 "%s\n"), optarg);
7249 return (1);
7250 } else {
7251 instrlimit = arg;
7252 }
7253 } else {
7254 ASSERT3U(c, ==, 'm');
7255 if (arg > ZCP_MAX_MEMLIMIT || arg == 0) {
7256 (void) fprintf(stderr, gettext(
7257 "Invalid memory limit: "
7258 "%s\n"), optarg);
7259 return (1);
7260 } else {
7261 memlimit = arg;
7262 }
7263 }
7264 break;
7265 }
5b72a38d
SD		 7266 case 'n': {
7267 sync_flag = B_FALSE;
7268 break;
7269 }
272b5d73
AP		 7270 case 'j': {
7271 json_output = B_TRUE;
7272 break;
7273 }
d99a0153
CW		 7274 case '?':
7275 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7276 optopt);
7277 goto usage;
7278 }
7279 }
7280
7281 argc -= optind;
7282 argv += optind;
7283
7284 if (argc < 2) {
7285 (void) fprintf(stderr,
7286 gettext("invalid number of arguments\n"));
7287 goto usage;
7288 }
7289
7290 poolname = argv[0];
7291 filename = argv[1];
7292 if (strcmp(filename, "-") == 0) {
7293 fd = 0;
7294 filename = "standard input";
7295 } else if ((fd = open(filename, O_RDONLY)) < 0) {
7296 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"),
7297 filename, strerror(errno));
7298 return (1);
7299 }
7300
7301 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) {
7302 (void) fprintf(stderr, gettext("cannot open pool '%s'"),
7303 poolname);
cbce5813
DB		 7304 if (fd != 0)
7305 (void) close(fd);
d99a0153
CW		 7306 return (1);
7307 }
7308 zpool_close(zhp);
7309
7310 /*
7311 * Read in the channel program, expanding the program buffer as
7312 * necessary.
7313 */
7314 progread = 0;
7315 progsize = 1024;
7316 progbuf = safe_malloc(progsize);
7317 do {
7318 ret = read(fd, progbuf + progread, progsize - progread);
7319 progread += ret;
7320 if (progread == progsize && ret > 0) {
7321 progsize *= 2;
7322 progbuf = safe_realloc(progbuf, progsize);
7323 }
7324 } while (ret > 0);
7325
7326 if (fd != 0)
7327 (void) close(fd);
7328 if (ret < 0) {
7329 free(progbuf);
7330 (void) fprintf(stderr,
7331 gettext("cannot read '%s': %s\n"),
7332 filename, strerror(errno));
7333 return (1);
7334 }
7335 progbuf[progread] = '\0';
7336
7337 /*
7338 * Any remaining arguments are passed as arguments to the lua script as
7339 * a string array:
7340 * {
7341 * "argv" -> [ "arg 1", ... "arg n" ],
7342 * }
7343 */
7344 nvlist_t *argnvl = fnvlist_alloc();
7345 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV, argv + 2, argc - 2);
7346
5b72a38d
SD		 7347 if (sync_flag) {
7348 ret = lzc_channel_program(poolname, progbuf,
7349 instrlimit, memlimit, argnvl, &outnvl);
7350 } else {
7351 ret = lzc_channel_program_nosync(poolname, progbuf,
7352 instrlimit, memlimit, argnvl, &outnvl);
7353 }
d99a0153
CW		 7354
7355 if (ret != 0) {
7356 /*
7357 * On error, report the error message handed back by lua if one
7358 * exists. Otherwise, generate an appropriate error message,
7359 * falling back on strerror() for an unexpected return code.
7360 */
7361 char *errstring = NULL;
7362 uint64_t instructions = 0;
7363 if (nvlist_exists(outnvl, ZCP_RET_ERROR)) {
7364 (void) nvlist_lookup_string(outnvl,
7365 ZCP_RET_ERROR, &errstring);
7366 if (errstring == NULL)
7367 errstring = strerror(ret);
7368 if (ret == ETIME) {
7369 (void) nvlist_lookup_uint64(outnvl,
7370 ZCP_ARG_INSTRLIMIT, &instructions);
7371 }
7372 } else {
7373 switch (ret) {
7374 case EINVAL:
7375 errstring =
7376 "Invalid instruction or memory limit.";
7377 break;
7378 case ENOMEM:
7379 errstring = "Return value too large.";
7380 break;
7381 case ENOSPC:
7382 errstring = "Memory limit exhausted.";
7383 break;
7384 case ETIME:
7385 errstring = "Timed out.";
7386 break;
7387 case EPERM:
7388 errstring = "Permission denied. Channel "
7389 "programs must be run as root.";
7390 break;
7391 default:
7392 errstring = strerror(ret);
7393 }
7394 }
7395 (void) fprintf(stderr,
7396 gettext("Channel program execution failed:\n%s\n"),
7397 errstring);
7398 if (ret == ETIME && instructions != 0)
272b5d73
AP		 7399 (void) fprintf(stderr,
7400 gettext("%llu Lua instructions\n"),
d99a0153
CW		 7401 (u_longlong_t)instructions);
7402 } else {
272b5d73
AP		 7403 if (json_output) {
7404 (void) nvlist_print_json(stdout, outnvl);
7405 } else if (nvlist_empty(outnvl)) {
7406 (void) fprintf(stdout, gettext("Channel program fully "
7407 "executed and did not produce output.\n"));
d99a0153 7408 } else {
272b5d73
AP		 7409 (void) fprintf(stdout, gettext("Channel program fully "
7410 "executed and produced output:\n"));
d99a0153
CW		 7411 dump_nvlist(outnvl, 4);
7412 }
7413 }
7414
7415 free(progbuf);
7416 fnvlist_free(outnvl);
7417 fnvlist_free(argnvl);
7418 return (ret != 0);
7419
7420usage:
7421 usage(B_FALSE);
7422 return (-1);
7423}
7424
7425
b5256303
TC		 7426typedef struct loadkey_cbdata {
7427 boolean_t cb_loadkey;
7428 boolean_t cb_recursive;
7429 boolean_t cb_noop;
7430 char *cb_keylocation;
7431 uint64_t cb_numfailed;
7432 uint64_t cb_numattempted;
7433} loadkey_cbdata_t;
7434
7435static int
7436load_key_callback(zfs_handle_t *zhp, void *data)
7437{
7438 int ret;
7439 boolean_t is_encroot;
7440 loadkey_cbdata_t *cb = data;
7441 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
7442
7443 /*
7444 * If we are working recursively, we want to skip loading / unloading
7445 * keys for non-encryption roots and datasets whose keys are already
7446 * in the desired end-state.
7447 */
7448 if (cb->cb_recursive) {
7449 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL);
7450 if (ret != 0)
7451 return (ret);
7452 if (!is_encroot)
7453 return (0);
7454
7455 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) ||
7456 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE))
7457 return (0);
7458 }
7459
7460 cb->cb_numattempted++;
7461
7462 if (cb->cb_loadkey)
7463 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation);
7464 else
7465 ret = zfs_crypto_unload_key(zhp);
7466
7467 if (ret != 0) {
7468 cb->cb_numfailed++;
7469 return (ret);
7470 }
7471
7472 return (0);
7473}
7474
7475static int
7476load_unload_keys(int argc, char **argv, boolean_t loadkey)
7477{
7478 int c, ret = 0, flags = 0;
7479 boolean_t do_all = B_FALSE;
7480 loadkey_cbdata_t cb = { 0 };
7481
7482 cb.cb_loadkey = loadkey;
7483
7484 while ((c = getopt(argc, argv, "anrL:")) != -1) {
7485 /* noop and alternate keylocations only apply to zfs load-key */
7486 if (loadkey) {
7487 switch (c) {
7488 case 'n':
7489 cb.cb_noop = B_TRUE;
7490 continue;
7491 case 'L':
7492 cb.cb_keylocation = optarg;
7493 continue;
7494 default:
7495 break;
7496 }
7497 }
7498
7499 switch (c) {
7500 case 'a':
7501 do_all = B_TRUE;
7502 cb.cb_recursive = B_TRUE;
7503 break;
7504 case 'r':
7505 flags |= ZFS_ITER_RECURSE;
7506 cb.cb_recursive = B_TRUE;
7507 break;
7508 default:
7509 (void) fprintf(stderr,
7510 gettext("invalid option '%c'\n"), optopt);
7511 usage(B_FALSE);
7512 }
7513 }
7514
7515 argc -= optind;
7516 argv += optind;
7517
7518 if (!do_all && argc == 0) {
7519 (void) fprintf(stderr,
7520 gettext("Missing dataset argument or -a option\n"));
7521 usage(B_FALSE);
7522 }
7523
7524 if (do_all && argc != 0) {
7525 (void) fprintf(stderr,
7526 gettext("Cannot specify dataset with -a option\n"));
7527 usage(B_FALSE);
7528 }
7529
7530 if (cb.cb_recursive && cb.cb_keylocation != NULL &&
7531 strcmp(cb.cb_keylocation, "prompt") != 0) {
7532 (void) fprintf(stderr, gettext("alternate keylocation may only "
7533 "be 'prompt' with -r or -a\n"));
7534 usage(B_FALSE);
7535 }
7536
7537 ret = zfs_for_each(argc, argv, flags,
7538 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0,
7539 load_key_callback, &cb);
7540
7541 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) {
7542 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"),
7543 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed),
7544 (u_longlong_t)cb.cb_numattempted,
7545 loadkey ? (cb.cb_noop ? "verified" : "loaded") :
7546 "unloaded");
7547 }
7548
7549 if (cb.cb_numfailed != 0)
7550 ret = -1;
7551
7552 return (ret);
7553}
7554
7555static int
7556zfs_do_load_key(int argc, char **argv)
7557{
7558 return (load_unload_keys(argc, argv, B_TRUE));
7559}
7560
7561
7562static int
7563zfs_do_unload_key(int argc, char **argv)
7564{
7565 return (load_unload_keys(argc, argv, B_FALSE));
7566}
7567
7568static int
7569zfs_do_change_key(int argc, char **argv)
7570{
7571 int c, ret;
7572 uint64_t keystatus;
7573 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE;
7574 zfs_handle_t *zhp = NULL;
7575 nvlist_t *props = fnvlist_alloc();
7576
7577 while ((c = getopt(argc, argv, "lio:")) != -1) {
7578 switch (c) {
7579 case 'l':
7580 loadkey = B_TRUE;
7581 break;
7582 case 'i':
7583 inheritkey = B_TRUE;
7584 break;
7585 case 'o':
7586 if (!parseprop(props, optarg)) {
7587 nvlist_free(props);
7588 return (1);
7589 }
7590 break;
7591 default:
7592 (void) fprintf(stderr,
7593 gettext("invalid option '%c'\n"), optopt);
7594 usage(B_FALSE);
7595 }
7596 }
7597
7598 if (inheritkey && !nvlist_empty(props)) {
7599 (void) fprintf(stderr,
7600 gettext("Properties not allowed for inheriting\n"));
7601 usage(B_FALSE);
7602 }
7603
7604 argc -= optind;
7605 argv += optind;
7606
7607 if (argc < 1) {
7608 (void) fprintf(stderr, gettext("Missing dataset argument\n"));
7609 usage(B_FALSE);
7610 }
7611
7612 if (argc > 1) {
7613 (void) fprintf(stderr, gettext("Too many arguments\n"));
7614 usage(B_FALSE);
7615 }
7616
7617 zhp = zfs_open(g_zfs, argv[argc - 1],
7618 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
7619 if (zhp == NULL)
7620 usage(B_FALSE);
7621
7622 if (loadkey) {
7623 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS);
7624 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) {
7625 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL);
4807c0ba
TC		 7626 if (ret != 0) {
7627 nvlist_free(props);
7628 zfs_close(zhp);
7629 return (-1);
7630 }
b5256303
TC		 7631 }
7632
4807c0ba 7633 /* refresh the properties so the new keystatus is visible */
b5256303
TC		 7634 zfs_refresh_properties(zhp);
7635 }
7636
7637 ret = zfs_crypto_rewrap(zhp, props, inheritkey);
4807c0ba
TC		 7638 if (ret != 0) {
7639 nvlist_free(props);
7640 zfs_close(zhp);
7641 return (-1);
7642 }
b5256303
TC		 7643
7644 nvlist_free(props);
7645 zfs_close(zhp);
7646 return (0);
b5256303
TC		 7647}
7648
9c5167d1
NF		 7649/*
7650 * 1) zfs project [-d|-r] <file|directory ...>
7651 * List project ID and inherit flag of file(s) or directories.
7652 * -d: List the directory itself, not its children.
7653 * -r: List subdirectories recursively.
7654 *
7655 * 2) zfs project -C [-k] [-r] <file|directory ...>
7656 * Clear project inherit flag and/or ID on the file(s) or directories.
7657 * -k: Keep the project ID unchanged. If not specified, the project ID
7658 * will be reset as zero.
7659 * -r: Clear on subdirectories recursively.
7660 *
7661 * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...>
7662 * Check project ID and inherit flag on the file(s) or directories,
7663 * report the outliers.
7664 * -0: Print file name followed by a NUL instead of newline.
7665 * -d: Check the directory itself, not its children.
7666 * -p: Specify the referenced ID for comparing with the target file(s)
7667 * or directories' project IDs. If not specified, the target (top)
7668 * directory's project ID will be used as the referenced one.
7669 * -r: Check subdirectories recursively.
7670 *
7671 * 4) zfs project [-p id] [-r] [-s] <file|directory ...>
7672 * Set project ID and/or inherit flag on the file(s) or directories.
7673 * -p: Set the project ID as the given id.
7674 * -r: Set on subdirectorie recursively. If not specify "-p" option,
7675 * it will use top-level directory's project ID as the given id,
7676 * then set both project ID and inherit flag on all descendants
7677 * of the top-level directory.
7678 * -s: Set project inherit flag.
7679 */
7680static int
7681zfs_do_project(int argc, char **argv)
7682{
7683 zfs_project_control_t zpc = {
7684 .zpc_expected_projid = ZFS_INVALID_PROJID,
7685 .zpc_op = ZFS_PROJECT_OP_DEFAULT,
7686 .zpc_dironly = B_FALSE,
7687 .zpc_keep_projid = B_FALSE,
7688 .zpc_newline = B_TRUE,
7689 .zpc_recursive = B_FALSE,
7690 .zpc_set_flag = B_FALSE,
7691 };
7692 int ret = 0, c;
7693
7694 if (argc < 2)
7695 usage(B_FALSE);
7696
7697 while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) {
7698 switch (c) {
7699 case '0':
7700 zpc.zpc_newline = B_FALSE;
7701 break;
7702 case 'C':
7703 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
7704 (void) fprintf(stderr, gettext("cannot "
7705 "specify '-C' '-c' '-s' together\n"));
7706 usage(B_FALSE);
7707 }
7708
7709 zpc.zpc_op = ZFS_PROJECT_OP_CLEAR;
7710 break;
7711 case 'c':
7712 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
7713 (void) fprintf(stderr, gettext("cannot "
7714 "specify '-C' '-c' '-s' together\n"));
7715 usage(B_FALSE);
7716 }
7717
7718 zpc.zpc_op = ZFS_PROJECT_OP_CHECK;
7719 break;
7720 case 'd':
7721 zpc.zpc_dironly = B_TRUE;
7722 /* overwrite "-r" option */
7723 zpc.zpc_recursive = B_FALSE;
7724 break;
7725 case 'k':
7726 zpc.zpc_keep_projid = B_TRUE;
7727 break;
7728 case 'p': {
7729 char *endptr;
7730
7731 errno = 0;
7732 zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0);
7733 if (errno != 0 || *endptr != '\0') {
7734 (void) fprintf(stderr,
7735 gettext("project ID must be less than "
7736 "%u\n"), UINT32_MAX);
7737 usage(B_FALSE);
7738 }
7739 if (zpc.zpc_expected_projid >= UINT32_MAX) {
7740 (void) fprintf(stderr,
7741 gettext("invalid project ID\n"));
7742 usage(B_FALSE);
7743 }
7744 break;
7745 }
7746 case 'r':
7747 zpc.zpc_recursive = B_TRUE;
7748 /* overwrite "-d" option */
7749 zpc.zpc_dironly = B_FALSE;
7750 break;
7751 case 's':
7752 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) {
7753 (void) fprintf(stderr, gettext("cannot "
7754 "specify '-C' '-c' '-s' together\n"));
7755 usage(B_FALSE);
7756 }
7757
7758 zpc.zpc_set_flag = B_TRUE;
7759 zpc.zpc_op = ZFS_PROJECT_OP_SET;
7760 break;
7761 default:
7762 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
7763 optopt);
7764 usage(B_FALSE);
7765 }
7766 }
7767
7768 if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) {
7769 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID)
7770 zpc.zpc_op = ZFS_PROJECT_OP_SET;
7771 else
7772 zpc.zpc_op = ZFS_PROJECT_OP_LIST;
7773 }
7774
7775 switch (zpc.zpc_op) {
7776 case ZFS_PROJECT_OP_LIST:
7777 if (zpc.zpc_keep_projid) {
7778 (void) fprintf(stderr,
7779 gettext("'-k' is only valid together with '-C'\n"));
7780 usage(B_FALSE);
7781 }
7782 if (!zpc.zpc_newline) {
7783 (void) fprintf(stderr,
7784 gettext("'-0' is only valid together with '-c'\n"));
7785 usage(B_FALSE);
7786 }
7787 break;
7788 case ZFS_PROJECT_OP_CHECK:
7789 if (zpc.zpc_keep_projid) {
7790 (void) fprintf(stderr,
7791 gettext("'-k' is only valid together with '-C'\n"));
7792 usage(B_FALSE);
7793 }
7794 break;
7795 case ZFS_PROJECT_OP_CLEAR:
7796 if (zpc.zpc_dironly) {
7797 (void) fprintf(stderr,
7798 gettext("'-d' is useless together with '-C'\n"));
7799 usage(B_FALSE);
7800 }
7801 if (!zpc.zpc_newline) {
7802 (void) fprintf(stderr,
7803 gettext("'-0' is only valid together with '-c'\n"));
7804 usage(B_FALSE);
7805 }
7806 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) {
7807 (void) fprintf(stderr,
7808 gettext("'-p' is useless together with '-C'\n"));
7809 usage(B_FALSE);
7810 }
7811 break;
7812 case ZFS_PROJECT_OP_SET:
7813 if (zpc.zpc_dironly) {
7814 (void) fprintf(stderr,
7815 gettext("'-d' is useless for set project ID and/or "
7816 "inherit flag\n"));
7817 usage(B_FALSE);
7818 }
7819 if (zpc.zpc_keep_projid) {
7820 (void) fprintf(stderr,
7821 gettext("'-k' is only valid together with '-C'\n"));
7822 usage(B_FALSE);
7823 }
7824 if (!zpc.zpc_newline) {
7825 (void) fprintf(stderr,
7826 gettext("'-0' is only valid together with '-c'\n"));
7827 usage(B_FALSE);
7828 }
7829 break;
7830 default:
7831 ASSERT(0);
7832 break;
7833 }
7834
7835 argv += optind;
7836 argc -= optind;
7837 if (argc == 0) {
7838 (void) fprintf(stderr,
7839 gettext("missing file or directory target(s)\n"));
7840 usage(B_FALSE);
7841 }
7842
7843 for (int i = 0; i < argc; i++) {
7844 int err;
7845
7846 err = zfs_project_handle(argv[i], &zpc);
7847 if (err && !ret)
7848 ret = err;
7849 }
7850
7851 return (ret);
7852}
7853
34dc7c2f
BB		 7854int
7855main(int argc, char **argv)
7856{
ad60af8e 7857 int ret = 0;
d4ed6673 7858 int i = 0;
34dc7c2f
BB		 7859 char *cmdname;
7860
7861 (void) setlocale(LC_ALL, "");
7862 (void) textdomain(TEXT_DOMAIN);
7863
7864 opterr = 0;
7865
34dc7c2f 7866 /*
d53368f6 7867 * Make sure the user has specified some command.
34dc7c2f 7868 */
d53368f6
BB		 7869 if (argc < 2) {
7870 (void) fprintf(stderr, gettext("missing command\n"));
7871 usage(B_FALSE);
7872 }
34dc7c2f 7873
d53368f6 7874 cmdname = argv[1];
34dc7c2f 7875
d53368f6
BB		 7876 /*
7877 * The 'umount' command is an alias for 'unmount'
7878 */
7879 if (strcmp(cmdname, "umount") == 0)
7880 cmdname = "unmount";
34dc7c2f 7881
d53368f6
BB		 7882 /*
7883 * The 'recv' command is an alias for 'receive'
7884 */
7885 if (strcmp(cmdname, "recv") == 0)
7886 cmdname = "receive";
34dc7c2f 7887
10b75496
S		 7888 /*
7889 * The 'snap' command is an alias for 'snapshot'
7890 */
7891 if (strcmp(cmdname, "snap") == 0)
7892 cmdname = "snapshot";
7893
d53368f6
BB		 7894 /*
7895 * Special case '-?'
7896 */
7897 if ((strcmp(cmdname, "-?") == 0) ||
7898 (strcmp(cmdname, "--help") == 0))
7899 usage(B_TRUE);
34dc7c2f 7900
65037d9b
BB		 7901 if ((g_zfs = libzfs_init()) == NULL) {
7902 (void) fprintf(stderr, "%s", libzfs_error_init(errno));
d53368f6 7903 return (1);
65037d9b 7904 }
9b020fd9 7905
0bc7a7a7
TF		 7906 mnttab_file = g_zfs->libzfs_mnttab;
7907
6f1ffb06 7908 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
9b020fd9 7909
d53368f6 7910 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 7911
d53368f6
BB		 7912 /*
7913 * Run the appropriate command.
7914 */
e0730668 7915 libzfs_mnttab_cache(g_zfs, B_TRUE);
d53368f6
BB		 7916 if (find_command_idx(cmdname, &i) == 0) {
7917 current_command = &command_table[i];
7918 ret = command_table[i].func(argc - 1, argv + 1);
7919 } else if (strchr(cmdname, '=') != NULL) {
7920 verify(find_command_idx("set", &i) == 0);
7921 current_command = &command_table[i];
7922 ret = command_table[i].func(argc, argv);
7923 } else {
7924 (void) fprintf(stderr, gettext("unrecognized "
7925 "command '%s'\n"), cmdname);
7926 usage(B_FALSE);
7927 ret = 1;
34dc7c2f
BB		 7928 }
7929
6f1ffb06
MA		 7930 if (ret == 0 && log_history)
7931 (void) zpool_log_history(g_zfs, history_str);
7932
fb8e608d
TC		 7933 libzfs_fini(g_zfs);
7934
34dc7c2f
BB		 7935 /*
7936 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
7937 * for the purposes of running ::findleaks.
7938 */
7939 if (getenv("ZFS_ABORT") != NULL) {
7940 (void) printf("dumping core by request\n");
7941 abort();
7942 }
7943
7944 return (ret);
7945}
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