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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.
79e72243 24 * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
db49968e 25 * Copyright (c) 2012 by Delphix. All rights reserved.
37abac6d 26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
95fd54a1 27 * Copyright (c) 2013 Steven Hartland. All rights reserved.
34dc7c2f
BB		 28 */
29
34dc7c2f
BB		 30#include <assert.h>
31#include <ctype.h>
32#include <errno.h>
33#include <libgen.h>
34#include <libintl.h>
35#include <libuutil.h>
36#include <libnvpair.h>
37#include <locale.h>
38#include <stddef.h>
39#include <stdio.h>
40#include <stdlib.h>
41#include <strings.h>
42#include <unistd.h>
43#include <fcntl.h>
44#include <zone.h>
9babb374
BB		 45#include <grp.h>
46#include <pwd.h>
572e2857 47#include <signal.h>
0b7936d5 48#include <sys/list.h>
34dc7c2f
BB		 49#include <sys/mkdev.h>
50#include <sys/mntent.h>
51#include <sys/mnttab.h>
52#include <sys/mount.h>
53#include <sys/stat.h>
9babb374 54#include <sys/fs/zfs.h>
428870ff
BB		 55#include <sys/types.h>
56#include <time.h>
34dc7c2f
BB		 57
58#include <libzfs.h>
6f1ffb06 59#include <libzfs_core.h>
0b7936d5
AS		 60#include <zfs_prop.h>
61#include <zfs_deleg.h>
34dc7c2f 62#include <libuutil.h>
0b7936d5
AS		 63#ifdef HAVE_IDMAP
64#include <aclutils.h>
65#include <directory.h>
66#endif /* HAVE_IDMAP */
34dc7c2f
BB		 67
68#include "zfs_iter.h"
69#include "zfs_util.h"
428870ff 70#include "zfs_comutil.h"
0bc7a7a7 71#include "libzfs_impl.h"
34dc7c2f
BB		 72
73libzfs_handle_t *g_zfs;
74
75static FILE *mnttab_file;
76static char history_str[HIS_MAX_RECORD_LEN];
6f1ffb06 77static boolean_t log_history = B_TRUE;
34dc7c2f
BB		 78
79static int zfs_do_clone(int argc, char **argv);
80static int zfs_do_create(int argc, char **argv);
81static int zfs_do_destroy(int argc, char **argv);
82static int zfs_do_get(int argc, char **argv);
83static int zfs_do_inherit(int argc, char **argv);
84static int zfs_do_list(int argc, char **argv);
85static int zfs_do_mount(int argc, char **argv);
86static int zfs_do_rename(int argc, char **argv);
87static int zfs_do_rollback(int argc, char **argv);
88static int zfs_do_set(int argc, char **argv);
89static int zfs_do_upgrade(int argc, char **argv);
90static int zfs_do_snapshot(int argc, char **argv);
91static int zfs_do_unmount(int argc, char **argv);
92static int zfs_do_share(int argc, char **argv);
93static int zfs_do_unshare(int argc, char **argv);
94static int zfs_do_send(int argc, char **argv);
95static int zfs_do_receive(int argc, char **argv);
96static int zfs_do_promote(int argc, char **argv);
9babb374 97static int zfs_do_userspace(int argc, char **argv);
0b7936d5
AS		 98static int zfs_do_allow(int argc, char **argv);
99static int zfs_do_unallow(int argc, char **argv);
45d1cae3 100static int zfs_do_hold(int argc, char **argv);
0b7936d5 101static int zfs_do_holds(int argc, char **argv);
45d1cae3 102static int zfs_do_release(int argc, char **argv);
572e2857 103static int zfs_do_diff(int argc, char **argv);
34dc7c2f
BB		 104
105/*
b128c09f 106 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
34dc7c2f 107 */
b128c09f
BB		 108
109#ifdef DEBUG
34dc7c2f
BB		 110const char *
111_umem_debug_init(void)
112{
113 return ("default,verbose"); /* $UMEM_DEBUG setting */
114}
115
116const char *
117_umem_logging_init(void)
118{
119 return ("fail,contents"); /* $UMEM_LOGGING setting */
120}
b128c09f 121#endif
34dc7c2f
BB		 122
123typedef enum {
124 HELP_CLONE,
125 HELP_CREATE,
126 HELP_DESTROY,
127 HELP_GET,
128 HELP_INHERIT,
129 HELP_UPGRADE,
130 HELP_LIST,
131 HELP_MOUNT,
132 HELP_PROMOTE,
133 HELP_RECEIVE,
134 HELP_RENAME,
135 HELP_ROLLBACK,
136 HELP_SEND,
137 HELP_SET,
138 HELP_SHARE,
139 HELP_SNAPSHOT,
140 HELP_UNMOUNT,
141 HELP_UNSHARE,
142 HELP_ALLOW,
9babb374
BB		 143 HELP_UNALLOW,
144 HELP_USERSPACE,
45d1cae3
BB		 145 HELP_GROUPSPACE,
146 HELP_HOLD,
147 HELP_HOLDS,
572e2857 148 HELP_RELEASE,
330d06f9 149 HELP_DIFF,
34dc7c2f
BB		 150} zfs_help_t;
151
152typedef struct zfs_command {
153 const char *name;
154 int (*func)(int argc, char **argv);
155 zfs_help_t usage;
156} zfs_command_t;
157
158/*
159 * Master command table. Each ZFS command has a name, associated function, and
160 * usage message. The usage messages need to be internationalized, so we have
161 * to have a function to return the usage message based on a command index.
162 *
163 * These commands are organized according to how they are displayed in the usage
164 * message. An empty command (one with a NULL name) indicates an empty line in
165 * the generic usage message.
166 */
167static zfs_command_t command_table[] = {
168 { "create", zfs_do_create, HELP_CREATE },
169 { "destroy", zfs_do_destroy, HELP_DESTROY },
170 { NULL },
171 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT },
172 { "rollback", zfs_do_rollback, HELP_ROLLBACK },
173 { "clone", zfs_do_clone, HELP_CLONE },
174 { "promote", zfs_do_promote, HELP_PROMOTE },
175 { "rename", zfs_do_rename, HELP_RENAME },
176 { NULL },
177 { "list", zfs_do_list, HELP_LIST },
178 { NULL },
179 { "set", zfs_do_set, HELP_SET },
428870ff 180 { "get", zfs_do_get, HELP_GET },
34dc7c2f
BB		 181 { "inherit", zfs_do_inherit, HELP_INHERIT },
182 { "upgrade", zfs_do_upgrade, HELP_UPGRADE },
9babb374
BB		 183 { "userspace", zfs_do_userspace, HELP_USERSPACE },
184 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE },
34dc7c2f
BB		 185 { NULL },
186 { "mount", zfs_do_mount, HELP_MOUNT },
187 { "unmount", zfs_do_unmount, HELP_UNMOUNT },
188 { "share", zfs_do_share, HELP_SHARE },
189 { "unshare", zfs_do_unshare, HELP_UNSHARE },
190 { NULL },
191 { "send", zfs_do_send, HELP_SEND },
192 { "receive", zfs_do_receive, HELP_RECEIVE },
193 { NULL },
0b7936d5 194 { "allow", zfs_do_allow, HELP_ALLOW },
34dc7c2f 195 { NULL },
0b7936d5 196 { "unallow", zfs_do_unallow, HELP_UNALLOW },
45d1cae3
BB		 197 { NULL },
198 { "hold", zfs_do_hold, HELP_HOLD },
0b7936d5 199 { "holds", zfs_do_holds, HELP_HOLDS },
45d1cae3 200 { "release", zfs_do_release, HELP_RELEASE },
572e2857 201 { "diff", zfs_do_diff, HELP_DIFF },
34dc7c2f
BB		 202};
203
204#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
205
206zfs_command_t *current_command;
207
208static const char *
209get_usage(zfs_help_t idx)
210{
211 switch (idx) {
212 case HELP_CLONE:
b128c09f
BB		 213 return (gettext("\tclone [-p] [-o property=value] ... "
214 "<snapshot> <filesystem|volume>\n"));
34dc7c2f
BB		 215 case HELP_CREATE:
216 return (gettext("\tcreate [-p] [-o property=value] ... "
217 "<filesystem>\n"
218 "\tcreate [-ps] [-b blocksize] [-o property=value] ... "
219 "-V <size> <volume>\n"));
220 case HELP_DESTROY:
330d06f9
MA		 221 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
222 "\tdestroy [-dnpRrv] "
223 "<filesystem|volume>@<snap>[%<snap>][,...]\n"));
34dc7c2f 224 case HELP_GET:
9babb374 225 return (gettext("\tget [-rHp] [-d max] "
e346ec25
AS		 226 "[-o \"all\" | field[,...]] [-t type[,...]] "
227 "[-s source[,...]]\n"
34dc7c2f
BB		 228 "\t <\"all\" | property[,...]> "
229 "[filesystem|volume|snapshot] ...\n"));
230 case HELP_INHERIT:
428870ff 231 return (gettext("\tinherit [-rS] <property> "
b128c09f 232 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 233 case HELP_UPGRADE:
234 return (gettext("\tupgrade [-v]\n"
235 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
236 case HELP_LIST:
9babb374
BB		 237 return (gettext("\tlist [-rH][-d max] "
238 "[-o property[,...]] [-t type[,...]] [-s property] ...\n"
34dc7c2f 239 "\t [-S property] ... "
157c9b69 240 "[filesystem|volume|snapshot] ...\n"));
34dc7c2f
BB		 241 case HELP_MOUNT:
242 return (gettext("\tmount\n"
243 "\tmount [-vO] [-o opts] <-a | filesystem>\n"));
244 case HELP_PROMOTE:
245 return (gettext("\tpromote <clone-filesystem>\n"));
246 case HELP_RECEIVE:
428870ff 247 return (gettext("\treceive [-vnFu] <filesystem|volume|"
34dc7c2f 248 "snapshot>\n"
428870ff 249 "\treceive [-vnFu] [-d | -e] <filesystem>\n"));
34dc7c2f 250 case HELP_RENAME:
db49968e 251 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
34dc7c2f 252 "<filesystem|volume|snapshot>\n"
db49968e 253 "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n"
34dc7c2f
BB		 254 "\trename -r <snapshot> <snapshot>"));
255 case HELP_ROLLBACK:
256 return (gettext("\trollback [-rRf] <snapshot>\n"));
257 case HELP_SEND:
330d06f9
MA		 258 return (gettext("\tsend [-DnPpRrv] [-[iI] snapshot] "
259 "<snapshot>\n"));
34dc7c2f
BB		 260 case HELP_SET:
261 return (gettext("\tset <property=value> "
b128c09f 262 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 263 case HELP_SHARE:
264 return (gettext("\tshare <-a | filesystem>\n"));
265 case HELP_SNAPSHOT:
10b75496 266 return (gettext("\tsnapshot|snap [-r] [-o property=value] ... "
6f1ffb06 267 "<filesystem@snapname|volume@snapname> ...\n"));
34dc7c2f
BB		 268 case HELP_UNMOUNT:
269 return (gettext("\tunmount [-f] "
270 "<-a | filesystem|mountpoint>\n"));
271 case HELP_UNSHARE:
45d1cae3 272 return (gettext("\tunshare "
34dc7c2f
BB		 273 "<-a | filesystem|mountpoint>\n"));
274 case HELP_ALLOW:
9babb374
BB		 275 return (gettext("\tallow <filesystem|volume>\n"
276 "\tallow [-ldug] "
34dc7c2f
BB		 277 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
278 "\t <filesystem|volume>\n"
279 "\tallow [-ld] -e <perm|@setname>[,...] "
280 "<filesystem|volume>\n"
281 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
282 "\tallow -s @setname <perm|@setname>[,...] "
283 "<filesystem|volume>\n"));
284 case HELP_UNALLOW:
285 return (gettext("\tunallow [-rldug] "
286 "<\"everyone\"|user|group>[,...]\n"
287 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
288 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
289 "<filesystem|volume>\n"
290 "\tunallow [-r] -c [<perm|@setname>[,...]] "
291 "<filesystem|volume>\n"
292 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
293 "<filesystem|volume>\n"));
9babb374 294 case HELP_USERSPACE:
5990da81
YP		 295 return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
296 "[-s field] ...\n\t[-S field] ... "
297 "[-t type[,...]] <filesystem|snapshot>\n"));
9babb374 298 case HELP_GROUPSPACE:
5990da81
YP		 299 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
300 "[-s field] ...\n\t[-S field] ... "
301 "[-t type[,...]] <filesystem|snapshot>\n"));
45d1cae3
BB		 302 case HELP_HOLD:
303 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
304 case HELP_HOLDS:
305 return (gettext("\tholds [-r] <snapshot> ...\n"));
306 case HELP_RELEASE:
307 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
572e2857
BB		 308 case HELP_DIFF:
309 return (gettext("\tdiff [-FHt] <snapshot> "
310 "[snapshot|filesystem]\n"));
34dc7c2f
BB		 311 }
312
313 abort();
314 /* NOTREACHED */
315}
316
428870ff
BB		 317void
318nomem(void)
319{
320 (void) fprintf(stderr, gettext("internal error: out of memory\n"));
321 exit(1);
322}
323
34dc7c2f
BB		 324/*
325 * Utility function to guarantee malloc() success.
326 */
428870ff 327
34dc7c2f
BB		 328void *
329safe_malloc(size_t size)
330{
331 void *data;
332
428870ff
BB		 333 if ((data = calloc(1, size)) == NULL)
334 nomem();
34dc7c2f
BB		 335
336 return (data);
337}
338
428870ff
BB		 339static char *
340safe_strdup(char *str)
341{
342 char *dupstr = strdup(str);
343
344 if (dupstr == NULL)
345 nomem();
346
347 return (dupstr);
348}
349
34dc7c2f
BB		 350/*
351 * Callback routine that will print out information for each of
352 * the properties.
353 */
354static int
355usage_prop_cb(int prop, void *cb)
356{
357 FILE *fp = cb;
358
b128c09f 359 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
34dc7c2f 360
b128c09f
BB		 361 if (zfs_prop_readonly(prop))
362 (void) fprintf(fp, " NO ");
34dc7c2f 363 else
b128c09f 364 (void) fprintf(fp, "YES ");
34dc7c2f
BB		 365
366 if (zfs_prop_inheritable(prop))
367 (void) fprintf(fp, " YES ");
368 else
369 (void) fprintf(fp, " NO ");
370
371 if (zfs_prop_values(prop) == NULL)
372 (void) fprintf(fp, "-\n");
373 else
374 (void) fprintf(fp, "%s\n", zfs_prop_values(prop));
375
376 return (ZPROP_CONT);
377}
378
379/*
380 * Display usage message. If we're inside a command, display only the usage for
381 * that command. Otherwise, iterate over the entire command table and display
382 * a complete usage message.
383 */
384static void
385usage(boolean_t requested)
386{
387 int i;
388 boolean_t show_properties = B_FALSE;
34dc7c2f
BB		 389 FILE *fp = requested ? stdout : stderr;
390
391 if (current_command == NULL) {
392
393 (void) fprintf(fp, gettext("usage: zfs command args ...\n"));
394 (void) fprintf(fp,
395 gettext("where 'command' is one of the following:\n\n"));
396
397 for (i = 0; i < NCOMMAND; i++) {
398 if (command_table[i].name == NULL)
399 (void) fprintf(fp, "\n");
400 else
401 (void) fprintf(fp, "%s",
402 get_usage(command_table[i].usage));
403 }
404
405 (void) fprintf(fp, gettext("\nEach dataset is of the form: "
406 "pool/[dataset/]*dataset[@name]\n"));
407 } else {
408 (void) fprintf(fp, gettext("usage:\n"));
409 (void) fprintf(fp, "%s", get_usage(current_command->usage));
410 }
411
412 if (current_command != NULL &&
413 (strcmp(current_command->name, "set") == 0 ||
414 strcmp(current_command->name, "get") == 0 ||
415 strcmp(current_command->name, "inherit") == 0 ||
416 strcmp(current_command->name, "list") == 0))
417 show_properties = B_TRUE;
418
34dc7c2f 419 if (show_properties) {
34dc7c2f
BB		 420 (void) fprintf(fp,
421 gettext("\nThe following properties are supported:\n"));
422
423 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
424 "PROPERTY", "EDIT", "INHERIT", "VALUES");
425
426 /* Iterate over all properties */
427 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
428 ZFS_TYPE_DATASET);
429
9babb374
BB		 430 (void) fprintf(fp, "\t%-15s ", "userused@...");
431 (void) fprintf(fp, " NO NO <size>\n");
432 (void) fprintf(fp, "\t%-15s ", "groupused@...");
433 (void) fprintf(fp, " NO NO <size>\n");
434 (void) fprintf(fp, "\t%-15s ", "userquota@...");
435 (void) fprintf(fp, "YES NO <size> | none\n");
436 (void) fprintf(fp, "\t%-15s ", "groupquota@...");
437 (void) fprintf(fp, "YES NO <size> | none\n");
330d06f9
MA		 438 (void) fprintf(fp, "\t%-15s ", "written@<snap>");
439 (void) fprintf(fp, " NO NO <size>\n");
9babb374 440
34dc7c2f
BB		 441 (void) fprintf(fp, gettext("\nSizes are specified in bytes "
442 "with standard units such as K, M, G, etc.\n"));
b128c09f 443 (void) fprintf(fp, gettext("\nUser-defined properties can "
34dc7c2f 444 "be specified by using a name containing a colon (:).\n"));
9babb374
BB		 445 (void) fprintf(fp, gettext("\nThe {user|group}{used|quota}@ "
446 "properties must be appended with\n"
447 "a user or group specifier of one of these forms:\n"
448 " POSIX name (eg: \"matt\")\n"
449 " POSIX id (eg: \"126829\")\n"
450 " SMB name@domain (eg: \"matt@sun\")\n"
451 " SMB SID (eg: \"S-1-234-567-89\")\n"));
34dc7c2f 452 } else {
34dc7c2f 453 (void) fprintf(fp,
fb5f0bc8
BB		 454 gettext("\nFor the property list, run: %s\n"),
455 "zfs set|get");
34dc7c2f 456 (void) fprintf(fp,
fb5f0bc8
BB		 457 gettext("\nFor the delegated permission list, run: %s\n"),
458 "zfs allow|unallow");
34dc7c2f
BB		 459 }
460
461 /*
462 * See comments at end of main().
463 */
464 if (getenv("ZFS_ABORT") != NULL) {
465 (void) printf("dumping core by request\n");
466 abort();
467 }
468
469 exit(requested ? 0 : 2);
470}
471
b128c09f
BB		 472static int
473parseprop(nvlist_t *props)
474{
475 char *propname = optarg;
476 char *propval, *strval;
477
478 if ((propval = strchr(propname, '=')) == NULL) {
479 (void) fprintf(stderr, gettext("missing "
480 "'=' for -o option\n"));
481 return (-1);
482 }
483 *propval = '\0';
484 propval++;
485 if (nvlist_lookup_string(props, propname, &strval) == 0) {
486 (void) fprintf(stderr, gettext("property '%s' "
487 "specified multiple times\n"), propname);
488 return (-1);
489 }
428870ff
BB		 490 if (nvlist_add_string(props, propname, propval) != 0)
491 nomem();
b128c09f 492 return (0);
b128c09f
BB		 493}
494
9babb374
BB		 495static int
496parse_depth(char *opt, int *flags)
497{
498 char *tmp;
499 int depth;
500
501 depth = (int)strtol(opt, &tmp, 0);
502 if (*tmp) {
503 (void) fprintf(stderr,
504 gettext("%s is not an integer\n"), optarg);
505 usage(B_FALSE);
506 }
507 if (depth < 0) {
508 (void) fprintf(stderr,
509 gettext("Depth can not be negative.\n"));
510 usage(B_FALSE);
511 }
512 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
513 return (depth);
514}
515
428870ff
BB		 516#define PROGRESS_DELAY 2 /* seconds */
517
518static 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";
519static time_t pt_begin;
520static char *pt_header = NULL;
521static boolean_t pt_shown;
522
523static void
524start_progress_timer(void)
525{
526 pt_begin = time(NULL) + PROGRESS_DELAY;
527 pt_shown = B_FALSE;
528}
529
530static void
531set_progress_header(char *header)
532{
533 assert(pt_header == NULL);
534 pt_header = safe_strdup(header);
535 if (pt_shown) {
536 (void) printf("%s: ", header);
537 (void) fflush(stdout);
538 }
539}
540
541static void
542update_progress(char *update)
543{
544 if (!pt_shown && time(NULL) > pt_begin) {
545 int len = strlen(update);
546
547 (void) printf("%s: %s%*.*s", pt_header, update, len, len,
548 pt_reverse);
549 (void) fflush(stdout);
550 pt_shown = B_TRUE;
551 } else if (pt_shown) {
552 int len = strlen(update);
553
554 (void) printf("%s%*.*s", update, len, len, pt_reverse);
555 (void) fflush(stdout);
556 }
557}
558
559static void
560finish_progress(char *done)
561{
562 if (pt_shown) {
563 (void) printf("%s\n", done);
564 (void) fflush(stdout);
565 }
566 free(pt_header);
567 pt_header = NULL;
568}
d603ed6c 569
34dc7c2f 570/*
b128c09f 571 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
34dc7c2f
BB		 572 *
573 * Given an existing dataset, create a writable copy whose initial contents
574 * are the same as the source. The newly created dataset maintains a
575 * dependency on the original; the original cannot be destroyed so long as
576 * the clone exists.
577 *
578 * The '-p' flag creates all the non-existing ancestors of the target first.
579 */
580static int
581zfs_do_clone(int argc, char **argv)
582{
b128c09f 583 zfs_handle_t *zhp = NULL;
34dc7c2f 584 boolean_t parents = B_FALSE;
b128c09f 585 nvlist_t *props;
ad60af8e 586 int ret = 0;
34dc7c2f
BB		 587 int c;
588
428870ff
BB		 589 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
590 nomem();
b128c09f 591
34dc7c2f 592 /* check options */
b128c09f 593 while ((c = getopt(argc, argv, "o:p")) != -1) {
34dc7c2f 594 switch (c) {
b128c09f
BB		 595 case 'o':
596 if (parseprop(props))
597 return (1);
598 break;
34dc7c2f
BB		 599 case 'p':
600 parents = B_TRUE;
601 break;
602 case '?':
603 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
604 optopt);
b128c09f 605 goto usage;
34dc7c2f
BB		 606 }
607 }
608
609 argc -= optind;
610 argv += optind;
611
612 /* check number of arguments */
613 if (argc < 1) {
614 (void) fprintf(stderr, gettext("missing source dataset "
615 "argument\n"));
b128c09f 616 goto usage;
34dc7c2f
BB		 617 }
618 if (argc < 2) {
619 (void) fprintf(stderr, gettext("missing target dataset "
620 "argument\n"));
b128c09f 621 goto usage;
34dc7c2f
BB		 622 }
623 if (argc > 2) {
624 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 625 goto usage;
34dc7c2f
BB		 626 }
627
628 /* open the source dataset */
629 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
630 return (1);
631
632 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
633 ZFS_TYPE_VOLUME)) {
634 /*
635 * Now create the ancestors of the target dataset. If the
636 * target already exists and '-p' option was used we should not
637 * complain.
638 */
639 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
640 ZFS_TYPE_VOLUME))
641 return (0);
642 if (zfs_create_ancestors(g_zfs, argv[1]) != 0)
643 return (1);
644 }
645
646 /* pass to libzfs */
b128c09f 647 ret = zfs_clone(zhp, argv[1], props);
34dc7c2f
BB		 648
649 /* create the mountpoint if necessary */
650 if (ret == 0) {
651 zfs_handle_t *clone;
652
653 clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET);
654 if (clone != NULL) {
572e2857
BB		 655 if (zfs_get_type(clone) != ZFS_TYPE_VOLUME)
656 if ((ret = zfs_mount(clone, NULL, 0)) == 0)
657 ret = zfs_share(clone);
34dc7c2f
BB		 658 zfs_close(clone);
659 }
660 }
661
662 zfs_close(zhp);
b128c09f 663 nvlist_free(props);
34dc7c2f 664
b128c09f
BB		 665 return (!!ret);
666
667usage:
668 if (zhp)
669 zfs_close(zhp);
670 nvlist_free(props);
671 usage(B_FALSE);
672 return (-1);
34dc7c2f
BB		 673}
674
675/*
676 * zfs create [-p] [-o prop=value] ... fs
677 * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size
678 *
679 * Create a new dataset. This command can be used to create filesystems
680 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
681 * For volumes, the user must specify a size to be used.
682 *
683 * The '-s' flag applies only to volumes, and indicates that we should not try
684 * to set the reservation for this volume. By default we set a reservation
685 * equal to the size for any volume. For pools with SPA_VERSION >=
686 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
687 *
688 * The '-p' flag creates all the non-existing ancestors of the target first.
689 */
690static int
691zfs_do_create(int argc, char **argv)
692{
693 zfs_type_t type = ZFS_TYPE_FILESYSTEM;
694 zfs_handle_t *zhp = NULL;
d4ed6673 695 uint64_t volsize = 0;
34dc7c2f
BB		 696 int c;
697 boolean_t noreserve = B_FALSE;
698 boolean_t bflag = B_FALSE;
699 boolean_t parents = B_FALSE;
700 int ret = 1;
b128c09f 701 nvlist_t *props;
34dc7c2f 702 uint64_t intval;
572e2857 703 int canmount = ZFS_CANMOUNT_OFF;
34dc7c2f 704
428870ff
BB		 705 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
706 nomem();
34dc7c2f
BB		 707
708 /* check options */
709 while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) {
710 switch (c) {
711 case 'V':
712 type = ZFS_TYPE_VOLUME;
713 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
714 (void) fprintf(stderr, gettext("bad volume "
715 "size '%s': %s\n"), optarg,
716 libzfs_error_description(g_zfs));
717 goto error;
718 }
719
720 if (nvlist_add_uint64(props,
428870ff
BB		 721 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
722 nomem();
34dc7c2f
BB		 723 volsize = intval;
724 break;
725 case 'p':
726 parents = B_TRUE;
727 break;
728 case 'b':
729 bflag = B_TRUE;
730 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
731 (void) fprintf(stderr, gettext("bad volume "
732 "block size '%s': %s\n"), optarg,
733 libzfs_error_description(g_zfs));
734 goto error;
735 }
736
737 if (nvlist_add_uint64(props,
738 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
428870ff
BB		 739 intval) != 0)
740 nomem();
34dc7c2f
BB		 741 break;
742 case 'o':
b128c09f 743 if (parseprop(props))
34dc7c2f 744 goto error;
34dc7c2f
BB		 745 break;
746 case 's':
747 noreserve = B_TRUE;
748 break;
749 case ':':
750 (void) fprintf(stderr, gettext("missing size "
751 "argument\n"));
752 goto badusage;
753 break;
754 case '?':
755 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
756 optopt);
757 goto badusage;
758 }
759 }
760
761 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
762 (void) fprintf(stderr, gettext("'-s' and '-b' can only be "
763 "used when creating a volume\n"));
764 goto badusage;
765 }
766
767 argc -= optind;
768 argv += optind;
769
770 /* check number of arguments */
771 if (argc == 0) {
772 (void) fprintf(stderr, gettext("missing %s argument\n"),
773 zfs_type_to_name(type));
774 goto badusage;
775 }
776 if (argc > 1) {
777 (void) fprintf(stderr, gettext("too many arguments\n"));
778 goto badusage;
779 }
780
781 if (type == ZFS_TYPE_VOLUME && !noreserve) {
782 zpool_handle_t *zpool_handle;
783 uint64_t spa_version;
784 char *p;
785 zfs_prop_t resv_prop;
b128c09f 786 char *strval;
34dc7c2f 787
c65aa5b2 788 if ((p = strchr(argv[0], '/')))
34dc7c2f
BB		 789 *p = '\0';
790 zpool_handle = zpool_open(g_zfs, argv[0]);
791 if (p != NULL)
792 *p = '/';
793 if (zpool_handle == NULL)
794 goto error;
795 spa_version = zpool_get_prop_int(zpool_handle,
796 ZPOOL_PROP_VERSION, NULL);
797 zpool_close(zpool_handle);
798 if (spa_version >= SPA_VERSION_REFRESERVATION)
799 resv_prop = ZFS_PROP_REFRESERVATION;
800 else
801 resv_prop = ZFS_PROP_RESERVATION;
428870ff 802 volsize = zvol_volsize_to_reservation(volsize, props);
34dc7c2f
BB		 803
804 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
805 &strval) != 0) {
806 if (nvlist_add_uint64(props,
807 zfs_prop_to_name(resv_prop), volsize) != 0) {
34dc7c2f 808 nvlist_free(props);
428870ff 809 nomem();
34dc7c2f
BB		 810 }
811 }
812 }
813
814 if (parents && zfs_name_valid(argv[0], type)) {
815 /*
816 * Now create the ancestors of target dataset. If the target
817 * already exists and '-p' option was used we should not
818 * complain.
819 */
820 if (zfs_dataset_exists(g_zfs, argv[0], type)) {
821 ret = 0;
822 goto error;
823 }
824 if (zfs_create_ancestors(g_zfs, argv[0]) != 0)
825 goto error;
826 }
827
828 /* pass to libzfs */
829 if (zfs_create(g_zfs, argv[0], type, props) != 0)
830 goto error;
831
832 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
833 goto error;
572e2857
BB		 834
835 ret = 0;
34dc7c2f
BB		 836 /*
837 * if the user doesn't want the dataset automatically mounted,
838 * then skip the mount/share step
839 */
572e2857
BB		 840 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type))
841 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
34dc7c2f
BB		 842
843 /*
844 * Mount and/or share the new filesystem as appropriate. We provide a
845 * verbose error message to let the user know that their filesystem was
846 * in fact created, even if we failed to mount or share it.
847 */
34dc7c2f
BB		 848 if (canmount == ZFS_CANMOUNT_ON) {
849 if (zfs_mount(zhp, NULL, 0) != 0) {
850 (void) fprintf(stderr, gettext("filesystem "
851 "successfully created, but not mounted\n"));
852 ret = 1;
853 } else if (zfs_share(zhp) != 0) {
854 (void) fprintf(stderr, gettext("filesystem "
855 "successfully created, but not shared\n"));
856 ret = 1;
857 }
858 }
859
860error:
861 if (zhp)
862 zfs_close(zhp);
863 nvlist_free(props);
864 return (ret);
865badusage:
866 nvlist_free(props);
867 usage(B_FALSE);
868 return (2);
869}
870
871/*
428870ff
BB		 872 * zfs destroy [-rRf] <fs, vol>
873 * zfs destroy [-rRd] <snap>
34dc7c2f 874 *
428870ff
BB		 875 * -r Recursively destroy all children
876 * -R Recursively destroy all dependents, including clones
877 * -f Force unmounting of any dependents
45d1cae3 878 * -d If we can't destroy now, mark for deferred destruction
34dc7c2f
BB		 879 *
880 * Destroys the given dataset. By default, it will unmount any filesystems,
881 * and refuse to destroy a dataset that has any dependents. A dependent can
882 * either be a child, or a clone of a child.
883 */
884typedef struct destroy_cbdata {
885 boolean_t cb_first;
330d06f9
MA		 886 boolean_t cb_force;
887 boolean_t cb_recurse;
888 boolean_t cb_error;
889 boolean_t cb_doclones;
34dc7c2f 890 zfs_handle_t *cb_target;
45d1cae3 891 boolean_t cb_defer_destroy;
330d06f9
MA		 892 boolean_t cb_verbose;
893 boolean_t cb_parsable;
894 boolean_t cb_dryrun;
895 nvlist_t *cb_nvl;
13fe0198 896 nvlist_t *cb_batchedsnaps;
330d06f9
MA		 897
898 /* first snap in contiguous run */
6f1ffb06 899 char *cb_firstsnap;
330d06f9 900 /* previous snap in contiguous run */
6f1ffb06 901 char *cb_prevsnap;
330d06f9
MA		 902 int64_t cb_snapused;
903 char *cb_snapspec;
34dc7c2f
BB		 904} destroy_cbdata_t;
905
906/*
907 * Check for any dependents based on the '-r' or '-R' flags.
908 */
909static int
910destroy_check_dependent(zfs_handle_t *zhp, void *data)
911{
912 destroy_cbdata_t *cbp = data;
913 const char *tname = zfs_get_name(cbp->cb_target);
914 const char *name = zfs_get_name(zhp);
915
916 if (strncmp(tname, name, strlen(tname)) == 0 &&
917 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
918 /*
919 * This is a direct descendant, not a clone somewhere else in
920 * the hierarchy.
921 */
922 if (cbp->cb_recurse)
923 goto out;
924
925 if (cbp->cb_first) {
926 (void) fprintf(stderr, gettext("cannot destroy '%s': "
927 "%s has children\n"),
928 zfs_get_name(cbp->cb_target),
929 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
930 (void) fprintf(stderr, gettext("use '-r' to destroy "
931 "the following datasets:\n"));
932 cbp->cb_first = B_FALSE;
330d06f9 933 cbp->cb_error = B_TRUE;
34dc7c2f
BB		 934 }
935
936 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
937 } else {
938 /*
939 * This is a clone. We only want to report this if the '-r'
940 * wasn't specified, or the target is a snapshot.
941 */
942 if (!cbp->cb_recurse &&
943 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
944 goto out;
945
946 if (cbp->cb_first) {
947 (void) fprintf(stderr, gettext("cannot destroy '%s': "
948 "%s has dependent clones\n"),
949 zfs_get_name(cbp->cb_target),
950 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
951 (void) fprintf(stderr, gettext("use '-R' to destroy "
952 "the following datasets:\n"));
953 cbp->cb_first = B_FALSE;
330d06f9
MA		 954 cbp->cb_error = B_TRUE;
955 cbp->cb_dryrun = B_TRUE;
34dc7c2f
BB		 956 }
957
958 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
959 }
960
961out:
962 zfs_close(zhp);
963 return (0);
964}
965
966static int
967destroy_callback(zfs_handle_t *zhp, void *data)
968{
330d06f9
MA		 969 destroy_cbdata_t *cb = data;
970 const char *name = zfs_get_name(zhp);
971
972 if (cb->cb_verbose) {
973 if (cb->cb_parsable) {
974 (void) printf("destroy\t%s\n", name);
975 } else if (cb->cb_dryrun) {
976 (void) printf(gettext("would destroy %s\n"),
977 name);
978 } else {
979 (void) printf(gettext("will destroy %s\n"),
980 name);
981 }
982 }
34dc7c2f
BB		 983
984 /*
985 * Ignore pools (which we've already flagged as an error before getting
428870ff 986 * here).
34dc7c2f
BB		 987 */
988 if (strchr(zfs_get_name(zhp), '/') == NULL &&
989 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
990 zfs_close(zhp);
991 return (0);
992 }
13fe0198
MA		 993 if (cb->cb_dryrun) {
994 zfs_close(zhp);
995 return (0);
996 }
997
998 /*
999 * We batch up all contiguous snapshots (even of different
1000 * filesystems) and destroy them with one ioctl. We can't
1001 * simply do all snap deletions and then all fs deletions,
1002 * because we must delete a clone before its origin.
1003 */
1004 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
1005 fnvlist_add_boolean(cb->cb_batchedsnaps, name);
1006 } else {
1007 int error = zfs_destroy_snaps_nvl(g_zfs,
1008 cb->cb_batchedsnaps, B_FALSE);
1009 fnvlist_free(cb->cb_batchedsnaps);
1010 cb->cb_batchedsnaps = fnvlist_alloc();
34dc7c2f 1011
13fe0198
MA		 1012 if (error != 0 ||
1013 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
330d06f9
MA		 1014 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
1015 zfs_close(zhp);
1016 return (-1);
1017 }
34dc7c2f
BB		 1018 }
1019
1020 zfs_close(zhp);
1021 return (0);
1022}
1023
1024static int
330d06f9 1025destroy_print_cb(zfs_handle_t *zhp, void *arg)
34dc7c2f 1026{
330d06f9
MA		 1027 destroy_cbdata_t *cb = arg;
1028 const char *name = zfs_get_name(zhp);
1029 int err = 0;
1030
1031 if (nvlist_exists(cb->cb_nvl, name)) {
1032 if (cb->cb_firstsnap == NULL)
6f1ffb06 1033 cb->cb_firstsnap = strdup(name);
330d06f9 1034 if (cb->cb_prevsnap != NULL)
6f1ffb06 1035 free(cb->cb_prevsnap);
330d06f9 1036 /* this snap continues the current range */
6f1ffb06
MA		 1037 cb->cb_prevsnap = strdup(name);
1038 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
1039 nomem();
330d06f9
MA		 1040 if (cb->cb_verbose) {
1041 if (cb->cb_parsable) {
1042 (void) printf("destroy\t%s\n", name);
1043 } else if (cb->cb_dryrun) {
1044 (void) printf(gettext("would destroy %s\n"),
1045 name);
1046 } else {
1047 (void) printf(gettext("will destroy %s\n"),
1048 name);
1049 }
34dc7c2f 1050 }
330d06f9
MA		 1051 } else if (cb->cb_firstsnap != NULL) {
1052 /* end of this range */
1053 uint64_t used = 0;
6f1ffb06 1054 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1055 cb->cb_prevsnap, &used);
1056 cb->cb_snapused += used;
6f1ffb06 1057 free(cb->cb_firstsnap);
330d06f9 1058 cb->cb_firstsnap = NULL;
6f1ffb06 1059 free(cb->cb_prevsnap);
330d06f9 1060 cb->cb_prevsnap = NULL;
34dc7c2f 1061 }
330d06f9
MA		 1062 zfs_close(zhp);
1063 return (err);
1064}
34dc7c2f 1065
330d06f9
MA		 1066static int
1067destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
1068{
1069 int err;
1070 assert(cb->cb_firstsnap == NULL);
1071 assert(cb->cb_prevsnap == NULL);
1072 err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb);
1073 if (cb->cb_firstsnap != NULL) {
1074 uint64_t used = 0;
1075 if (err == 0) {
6f1ffb06 1076 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1077 cb->cb_prevsnap, &used);
1078 }
1079 cb->cb_snapused += used;
6f1ffb06 1080 free(cb->cb_firstsnap);
330d06f9 1081 cb->cb_firstsnap = NULL;
6f1ffb06 1082 free(cb->cb_prevsnap);
330d06f9
MA		 1083 cb->cb_prevsnap = NULL;
1084 }
1085 return (err);
1086}
1087
1088static int
1089snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
1090{
1091 destroy_cbdata_t *cb = arg;
1092 int err = 0;
1093
1094 /* Check for clones. */
e956d651 1095 if (!cb->cb_doclones && !cb->cb_defer_destroy) {
330d06f9
MA		 1096 cb->cb_target = zhp;
1097 cb->cb_first = B_TRUE;
1098 err = zfs_iter_dependents(zhp, B_TRUE,
1099 destroy_check_dependent, cb);
1100 }
1101
1102 if (err == 0) {
1103 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
1104 nomem();
1105 }
1106 zfs_close(zhp);
1107 return (err);
1108}
1109
1110static int
1111gather_snapshots(zfs_handle_t *zhp, void *arg)
1112{
1113 destroy_cbdata_t *cb = arg;
1114 int err = 0;
1115
1116 err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb);
1117 if (err == ENOENT)
1118 err = 0;
1119 if (err != 0)
1120 goto out;
1121
1122 if (cb->cb_verbose) {
1123 err = destroy_print_snapshots(zhp, cb);
1124 if (err != 0)
1125 goto out;
1126 }
1127
1128 if (cb->cb_recurse)
1129 err = zfs_iter_filesystems(zhp, gather_snapshots, cb);
1130
1131out:
1132 zfs_close(zhp);
1133 return (err);
1134}
1135
1136static int
1137destroy_clones(destroy_cbdata_t *cb)
1138{
1139 nvpair_t *pair;
1140 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
1141 pair != NULL;
1142 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
1143 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
1144 ZFS_TYPE_SNAPSHOT);
1145 if (zhp != NULL) {
1146 boolean_t defer = cb->cb_defer_destroy;
1147 int err;
1148
1149 /*
1150 * We can't defer destroy non-snapshots, so set it to
1151 * false while destroying the clones.
1152 */
1153 cb->cb_defer_destroy = B_FALSE;
1154 err = zfs_iter_dependents(zhp, B_FALSE,
1155 destroy_callback, cb);
1156 cb->cb_defer_destroy = defer;
1157 zfs_close(zhp);
1158 if (err != 0)
1159 return (err);
1160 }
1161 }
1162 return (0);
34dc7c2f
BB		 1163}
1164
1165static int
1166zfs_do_destroy(int argc, char **argv)
1167{
1168 destroy_cbdata_t cb = { 0 };
13fe0198
MA		 1169 int rv = 0;
1170 int err = 0;
34dc7c2f 1171 int c;
13fe0198 1172 zfs_handle_t *zhp = NULL;
330d06f9 1173 char *at;
428870ff 1174 zfs_type_t type = ZFS_TYPE_DATASET;
34dc7c2f
BB		 1175
1176 /* check options */
330d06f9 1177 while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
34dc7c2f 1178 switch (c) {
330d06f9
MA		 1179 case 'v':
1180 cb.cb_verbose = B_TRUE;
1181 break;
1182 case 'p':
1183 cb.cb_verbose = B_TRUE;
1184 cb.cb_parsable = B_TRUE;
1185 break;
1186 case 'n':
1187 cb.cb_dryrun = B_TRUE;
1188 break;
45d1cae3
BB		 1189 case 'd':
1190 cb.cb_defer_destroy = B_TRUE;
428870ff 1191 type = ZFS_TYPE_SNAPSHOT;
45d1cae3 1192 break;
34dc7c2f 1193 case 'f':
330d06f9 1194 cb.cb_force = B_TRUE;
34dc7c2f
BB		 1195 break;
1196 case 'r':
330d06f9 1197 cb.cb_recurse = B_TRUE;
34dc7c2f
BB		 1198 break;
1199 case 'R':
330d06f9
MA		 1200 cb.cb_recurse = B_TRUE;
1201 cb.cb_doclones = B_TRUE;
34dc7c2f
BB		 1202 break;
1203 case '?':
1204 default:
1205 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1206 optopt);
1207 usage(B_FALSE);
1208 }
1209 }
1210
1211 argc -= optind;
1212 argv += optind;
1213
1214 /* check number of arguments */
1215 if (argc == 0) {
330d06f9 1216 (void) fprintf(stderr, gettext("missing dataset argument\n"));
34dc7c2f
BB		 1217 usage(B_FALSE);
1218 }
1219 if (argc > 1) {
1220 (void) fprintf(stderr, gettext("too many arguments\n"));
1221 usage(B_FALSE);
1222 }
1223
330d06f9
MA		 1224 at = strchr(argv[0], '@');
1225 if (at != NULL) {
34dc7c2f 1226
330d06f9 1227 /* Build the list of snaps to destroy in cb_nvl. */
13fe0198 1228 cb.cb_nvl = fnvlist_alloc();
330d06f9
MA		 1229
1230 *at = '\0';
1231 zhp = zfs_open(g_zfs, argv[0],
1232 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
1233 if (zhp == NULL)
34dc7c2f 1234 return (1);
34dc7c2f 1235
330d06f9
MA		 1236 cb.cb_snapspec = at + 1;
1237 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
1238 cb.cb_error) {
13fe0198
MA		 1239 rv = 1;
1240 goto out;
330d06f9 1241 }
428870ff 1242
330d06f9
MA		 1243 if (nvlist_empty(cb.cb_nvl)) {
1244 (void) fprintf(stderr, gettext("could not find any "
1245 "snapshots to destroy; check snapshot names.\n"));
13fe0198
MA		 1246 rv = 1;
1247 goto out;
330d06f9
MA		 1248 }
1249
1250 if (cb.cb_verbose) {
1251 char buf[16];
1252 zfs_nicenum(cb.cb_snapused, buf, sizeof (buf));
1253 if (cb.cb_parsable) {
1254 (void) printf("reclaim\t%llu\n",
1255 (u_longlong_t)cb.cb_snapused);
1256 } else if (cb.cb_dryrun) {
1257 (void) printf(gettext("would reclaim %s\n"),
1258 buf);
1259 } else {
1260 (void) printf(gettext("will reclaim %s\n"),
1261 buf);
34dc7c2f
BB		 1262 }
1263 }
1264
330d06f9 1265 if (!cb.cb_dryrun) {
13fe0198
MA		 1266 if (cb.cb_doclones) {
1267 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9 1268 err = destroy_clones(&cb);
13fe0198
MA		 1269 if (err == 0) {
1270 err = zfs_destroy_snaps_nvl(g_zfs,
1271 cb.cb_batchedsnaps, B_FALSE);
1272 }
1273 if (err != 0) {
1274 rv = 1;
1275 goto out;
1276 }
1277 }
330d06f9 1278 if (err == 0) {
13fe0198 1279 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
330d06f9
MA		 1280 cb.cb_defer_destroy);
1281 }
34dc7c2f 1282 }
34dc7c2f 1283
330d06f9 1284 if (err != 0)
13fe0198 1285 rv = 1;
330d06f9
MA		 1286 } else {
1287 /* Open the given dataset */
1288 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
1289 return (1);
34dc7c2f 1290
330d06f9 1291 cb.cb_target = zhp;
34dc7c2f 1292
330d06f9
MA		 1293 /*
1294 * Perform an explicit check for pools before going any further.
1295 */
1296 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
1297 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1298 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1299 "operation does not apply to pools\n"),
1300 zfs_get_name(zhp));
1301 (void) fprintf(stderr, gettext("use 'zfs destroy -r "
1302 "%s' to destroy all datasets in the pool\n"),
1303 zfs_get_name(zhp));
1304 (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
1305 "to destroy the pool itself\n"), zfs_get_name(zhp));
13fe0198
MA		 1306 rv = 1;
1307 goto out;
330d06f9 1308 }
34dc7c2f 1309
330d06f9
MA		 1310 /*
1311 * Check for any dependents and/or clones.
1312 */
1313 cb.cb_first = B_TRUE;
1314 if (!cb.cb_doclones &&
1315 zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
1316 &cb) != 0) {
13fe0198
MA		 1317 rv = 1;
1318 goto out;
330d06f9 1319 }
34dc7c2f 1320
330d06f9 1321 if (cb.cb_error) {
13fe0198
MA		 1322 rv = 1;
1323 goto out;
330d06f9 1324 }
34dc7c2f 1325
13fe0198 1326 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9
MA		 1327 if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback,
1328 &cb) != 0) {
13fe0198
MA		 1329 rv = 1;
1330 goto out;
330d06f9 1331 }
34dc7c2f 1332
330d06f9
MA		 1333 /*
1334 * Do the real thing. The callback will close the
1335 * handle regardless of whether it succeeds or not.
1336 */
13fe0198
MA		 1337 err = destroy_callback(zhp, &cb);
1338 zhp = NULL;
1339 if (err == 0) {
1340 err = zfs_destroy_snaps_nvl(g_zfs,
1341 cb.cb_batchedsnaps, cb.cb_defer_destroy);
1342 }
1343 if (err != 0)
1344 rv = 1;
330d06f9 1345 }
34dc7c2f 1346
13fe0198
MA		 1347out:
1348 fnvlist_free(cb.cb_batchedsnaps);
1349 fnvlist_free(cb.cb_nvl);
1350 if (zhp != NULL)
1351 zfs_close(zhp);
1352 return (rv);
34dc7c2f
BB		 1353}
1354
428870ff
BB		 1355static boolean_t
1356is_recvd_column(zprop_get_cbdata_t *cbp)
1357{
1358 int i;
1359 zfs_get_column_t col;
1360
1361 for (i = 0; i < ZFS_GET_NCOLS &&
1362 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
1363 if (col == GET_COL_RECVD)
1364 return (B_TRUE);
1365 return (B_FALSE);
1366}
1367
34dc7c2f 1368/*
428870ff
BB		 1369 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1370 * < all | property[,property]... > < fs | snap | vol > ...
34dc7c2f
BB		 1371 *
1372 * -r recurse over any child datasets
1373 * -H scripted mode. Headers are stripped, and fields are separated
1374 * by tabs instead of spaces.
428870ff
BB		 1375 * -o Set of fields to display. One of "name,property,value,
1376 * received,source". Default is "name,property,value,source".
1377 * "all" is an alias for all five.
34dc7c2f 1378 * -s Set of sources to allow. One of
428870ff
BB		 1379 * "local,default,inherited,received,temporary,none". Default is
1380 * all six.
34dc7c2f
BB		 1381 * -p Display values in parsable (literal) format.
1382 *
1383 * Prints properties for the given datasets. The user can control which
1384 * columns to display as well as which property types to allow.
1385 */
1386
1387/*
1388 * Invoked to display the properties for a single dataset.
1389 */
1390static int
1391get_callback(zfs_handle_t *zhp, void *data)
1392{
1393 char buf[ZFS_MAXPROPLEN];
428870ff 1394 char rbuf[ZFS_MAXPROPLEN];
34dc7c2f
BB		 1395 zprop_source_t sourcetype;
1396 char source[ZFS_MAXNAMELEN];
1397 zprop_get_cbdata_t *cbp = data;
428870ff 1398 nvlist_t *user_props = zfs_get_user_props(zhp);
34dc7c2f
BB		 1399 zprop_list_t *pl = cbp->cb_proplist;
1400 nvlist_t *propval;
1401 char *strval;
1402 char *sourceval;
428870ff 1403 boolean_t received = is_recvd_column(cbp);
34dc7c2f
BB		 1404
1405 for (; pl != NULL; pl = pl->pl_next) {
428870ff 1406 char *recvdval = NULL;
34dc7c2f
BB		 1407 /*
1408 * Skip the special fake placeholder. This will also skip over
1409 * the name property when 'all' is specified.
1410 */
1411 if (pl->pl_prop == ZFS_PROP_NAME &&
1412 pl == cbp->cb_proplist)
1413 continue;
1414
1415 if (pl->pl_prop != ZPROP_INVAL) {
1416 if (zfs_prop_get(zhp, pl->pl_prop, buf,
1417 sizeof (buf), &sourcetype, source,
1418 sizeof (source),
1419 cbp->cb_literal) != 0) {
1420 if (pl->pl_all)
1421 continue;
1422 if (!zfs_prop_valid_for_type(pl->pl_prop,
1423 ZFS_TYPE_DATASET)) {
1424 (void) fprintf(stderr,
1425 gettext("No such property '%s'\n"),
1426 zfs_prop_to_name(pl->pl_prop));
1427 continue;
1428 }
1429 sourcetype = ZPROP_SRC_NONE;
1430 (void) strlcpy(buf, "-", sizeof (buf));
1431 }
1432
428870ff
BB		 1433 if (received && (zfs_prop_get_recvd(zhp,
1434 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
1435 cbp->cb_literal) == 0))
1436 recvdval = rbuf;
1437
34dc7c2f
BB		 1438 zprop_print_one_property(zfs_get_name(zhp), cbp,
1439 zfs_prop_to_name(pl->pl_prop),
428870ff 1440 buf, sourcetype, source, recvdval);
9babb374
BB		 1441 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
1442 sourcetype = ZPROP_SRC_LOCAL;
1443
1444 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
1445 buf, sizeof (buf), cbp->cb_literal) != 0) {
1446 sourcetype = ZPROP_SRC_NONE;
1447 (void) strlcpy(buf, "-", sizeof (buf));
1448 }
1449
330d06f9
MA		 1450 zprop_print_one_property(zfs_get_name(zhp), cbp,
1451 pl->pl_user_prop, buf, sourcetype, source, NULL);
1452 } else if (zfs_prop_written(pl->pl_user_prop)) {
1453 sourcetype = ZPROP_SRC_LOCAL;
1454
1455 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
1456 buf, sizeof (buf), cbp->cb_literal) != 0) {
1457 sourcetype = ZPROP_SRC_NONE;
1458 (void) strlcpy(buf, "-", sizeof (buf));
1459 }
1460
9babb374 1461 zprop_print_one_property(zfs_get_name(zhp), cbp,
428870ff 1462 pl->pl_user_prop, buf, sourcetype, source, NULL);
34dc7c2f 1463 } else {
428870ff 1464 if (nvlist_lookup_nvlist(user_props,
34dc7c2f
BB		 1465 pl->pl_user_prop, &propval) != 0) {
1466 if (pl->pl_all)
1467 continue;
1468 sourcetype = ZPROP_SRC_NONE;
1469 strval = "-";
1470 } else {
1471 verify(nvlist_lookup_string(propval,
1472 ZPROP_VALUE, &strval) == 0);
1473 verify(nvlist_lookup_string(propval,
1474 ZPROP_SOURCE, &sourceval) == 0);
1475
1476 if (strcmp(sourceval,
1477 zfs_get_name(zhp)) == 0) {
1478 sourcetype = ZPROP_SRC_LOCAL;
428870ff
BB		 1479 } else if (strcmp(sourceval,
1480 ZPROP_SOURCE_VAL_RECVD) == 0) {
1481 sourcetype = ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1482 } else {
1483 sourcetype = ZPROP_SRC_INHERITED;
1484 (void) strlcpy(source,
1485 sourceval, sizeof (source));
1486 }
1487 }
1488
428870ff
BB		 1489 if (received && (zfs_prop_get_recvd(zhp,
1490 pl->pl_user_prop, rbuf, sizeof (rbuf),
1491 cbp->cb_literal) == 0))
1492 recvdval = rbuf;
1493
34dc7c2f
BB		 1494 zprop_print_one_property(zfs_get_name(zhp), cbp,
1495 pl->pl_user_prop, strval, sourcetype,
428870ff 1496 source, recvdval);
34dc7c2f
BB		 1497 }
1498 }
1499
1500 return (0);
1501}
1502
1503static int
1504zfs_do_get(int argc, char **argv)
1505{
1506 zprop_get_cbdata_t cb = { 0 };
bb939d10 1507 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
e346ec25 1508 int types = ZFS_TYPE_DATASET;
34dc7c2f 1509 char *value, *fields;
ad60af8e 1510 int ret = 0;
9babb374 1511 int limit = 0;
34dc7c2f
BB		 1512 zprop_list_t fake_name = { 0 };
1513
1514 /*
1515 * Set up default columns and sources.
1516 */
1517 cb.cb_sources = ZPROP_SRC_ALL;
1518 cb.cb_columns[0] = GET_COL_NAME;
1519 cb.cb_columns[1] = GET_COL_PROPERTY;
1520 cb.cb_columns[2] = GET_COL_VALUE;
1521 cb.cb_columns[3] = GET_COL_SOURCE;
1522 cb.cb_type = ZFS_TYPE_DATASET;
1523
1524 /* check options */
e346ec25 1525 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
34dc7c2f
BB		 1526 switch (c) {
1527 case 'p':
1528 cb.cb_literal = B_TRUE;
1529 break;
9babb374
BB		 1530 case 'd':
1531 limit = parse_depth(optarg, &flags);
1532 break;
34dc7c2f 1533 case 'r':
b128c09f 1534 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 1535 break;
1536 case 'H':
1537 cb.cb_scripted = B_TRUE;
1538 break;
1539 case ':':
1540 (void) fprintf(stderr, gettext("missing argument for "
1541 "'%c' option\n"), optopt);
1542 usage(B_FALSE);
1543 break;
1544 case 'o':
1545 /*
1546 * Process the set of columns to display. We zero out
1547 * the structure to give us a blank slate.
1548 */
1549 bzero(&cb.cb_columns, sizeof (cb.cb_columns));
1550 i = 0;
1551 while (*optarg != '\0') {
1552 static char *col_subopts[] =
428870ff
BB		 1553 { "name", "property", "value", "received",
1554 "source", "all", NULL };
34dc7c2f 1555
428870ff 1556 if (i == ZFS_GET_NCOLS) {
34dc7c2f
BB		 1557 (void) fprintf(stderr, gettext("too "
1558 "many fields given to -o "
1559 "option\n"));
1560 usage(B_FALSE);
1561 }
1562
1563 switch (getsubopt(&optarg, col_subopts,
1564 &value)) {
1565 case 0:
1566 cb.cb_columns[i++] = GET_COL_NAME;
1567 break;
1568 case 1:
1569 cb.cb_columns[i++] = GET_COL_PROPERTY;
1570 break;
1571 case 2:
1572 cb.cb_columns[i++] = GET_COL_VALUE;
1573 break;
1574 case 3:
428870ff
BB		 1575 cb.cb_columns[i++] = GET_COL_RECVD;
1576 flags |= ZFS_ITER_RECVD_PROPS;
1577 break;
1578 case 4:
34dc7c2f
BB		 1579 cb.cb_columns[i++] = GET_COL_SOURCE;
1580 break;
428870ff
BB		 1581 case 5:
1582 if (i > 0) {
1583 (void) fprintf(stderr,
1584 gettext("\"all\" conflicts "
1585 "with specific fields "
1586 "given to -o option\n"));
1587 usage(B_FALSE);
1588 }
1589 cb.cb_columns[0] = GET_COL_NAME;
1590 cb.cb_columns[1] = GET_COL_PROPERTY;
1591 cb.cb_columns[2] = GET_COL_VALUE;
1592 cb.cb_columns[3] = GET_COL_RECVD;
1593 cb.cb_columns[4] = GET_COL_SOURCE;
1594 flags |= ZFS_ITER_RECVD_PROPS;
1595 i = ZFS_GET_NCOLS;
1596 break;
34dc7c2f
BB		 1597 default:
1598 (void) fprintf(stderr,
1599 gettext("invalid column name "
1600 "'%s'\n"), value);
1601 usage(B_FALSE);
1602 }
1603 }
1604 break;
1605
1606 case 's':
1607 cb.cb_sources = 0;
1608 while (*optarg != '\0') {
1609 static char *source_subopts[] = {
1610 "local", "default", "inherited",
428870ff
BB		 1611 "received", "temporary", "none",
1612 NULL };
34dc7c2f
BB		 1613
1614 switch (getsubopt(&optarg, source_subopts,
1615 &value)) {
1616 case 0:
1617 cb.cb_sources |= ZPROP_SRC_LOCAL;
1618 break;
1619 case 1:
1620 cb.cb_sources |= ZPROP_SRC_DEFAULT;
1621 break;
1622 case 2:
1623 cb.cb_sources |= ZPROP_SRC_INHERITED;
1624 break;
1625 case 3:
428870ff 1626 cb.cb_sources |= ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1627 break;
1628 case 4:
428870ff
BB		 1629 cb.cb_sources |= ZPROP_SRC_TEMPORARY;
1630 break;
1631 case 5:
34dc7c2f
BB		 1632 cb.cb_sources |= ZPROP_SRC_NONE;
1633 break;
1634 default:
1635 (void) fprintf(stderr,
1636 gettext("invalid source "
1637 "'%s'\n"), value);
1638 usage(B_FALSE);
1639 }
1640 }
1641 break;
1642
e346ec25
AS		 1643 case 't':
1644 types = 0;
1645 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
1646 while (*optarg != '\0') {
1647 static char *type_subopts[] = { "filesystem",
1648 "volume", "snapshot", "all", NULL };
1649
1650 switch (getsubopt(&optarg, type_subopts,
1651 &value)) {
1652 case 0:
1653 types |= ZFS_TYPE_FILESYSTEM;
1654 break;
1655 case 1:
1656 types |= ZFS_TYPE_VOLUME;
1657 break;
1658 case 2:
1659 types |= ZFS_TYPE_SNAPSHOT;
1660 break;
1661 case 3:
1662 types = ZFS_TYPE_DATASET;
1663 break;
1664
1665 default:
1666 (void) fprintf(stderr,
1667 gettext("invalid type '%s'\n"),
1668 value);
1669 usage(B_FALSE);
1670 }
1671 }
1672 break;
1673
34dc7c2f
BB		 1674 case '?':
1675 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1676 optopt);
1677 usage(B_FALSE);
1678 }
1679 }
1680
1681 argc -= optind;
1682 argv += optind;
1683
1684 if (argc < 1) {
1685 (void) fprintf(stderr, gettext("missing property "
1686 "argument\n"));
1687 usage(B_FALSE);
1688 }
1689
1690 fields = argv[0];
1691
1692 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
1693 != 0)
1694 usage(B_FALSE);
1695
1696 argc--;
1697 argv++;
1698
1699 /*
1700 * As part of zfs_expand_proplist(), we keep track of the maximum column
1701 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
1702 * need to know the maximum name length. However, the user likely did
1703 * not specify 'name' as one of the properties to fetch, so we need to
1704 * make sure we always include at least this property for
1705 * print_get_headers() to work properly.
1706 */
1707 if (cb.cb_proplist != NULL) {
1708 fake_name.pl_prop = ZFS_PROP_NAME;
1709 fake_name.pl_width = strlen(gettext("NAME"));
1710 fake_name.pl_next = cb.cb_proplist;
1711 cb.cb_proplist = &fake_name;
1712 }
1713
1714 cb.cb_first = B_TRUE;
1715
1716 /* run for each object */
e346ec25 1717 ret = zfs_for_each(argc, argv, flags, types, NULL,
9babb374 1718 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 1719
1720 if (cb.cb_proplist == &fake_name)
1721 zprop_free_list(fake_name.pl_next);
1722 else
1723 zprop_free_list(cb.cb_proplist);
1724
1725 return (ret);
1726}
1727
1728/*
428870ff 1729 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 1730 *
428870ff
BB		 1731 * -r Recurse over all children
1732 * -S Revert to received value, if any
34dc7c2f
BB		 1733 *
1734 * For each dataset specified on the command line, inherit the given property
1735 * from its parent. Inheriting a property at the pool level will cause it to
1736 * use the default value. The '-r' flag will recurse over all children, and is
1737 * useful for setting a property on a hierarchy-wide basis, regardless of any
1738 * local modifications for each dataset.
1739 */
1740
428870ff
BB		 1741typedef struct inherit_cbdata {
1742 const char *cb_propname;
1743 boolean_t cb_received;
1744} inherit_cbdata_t;
1745
34dc7c2f 1746static int
b128c09f 1747inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 1748{
428870ff
BB		 1749 inherit_cbdata_t *cb = data;
1750 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 1751
b128c09f
BB		 1752 /*
1753 * If we're doing it recursively, then ignore properties that
1754 * are not valid for this type of dataset.
1755 */
1756 if (prop != ZPROP_INVAL &&
1757 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp)))
1758 return (0);
1759
428870ff 1760 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 1761}
1762
1763static int
1764inherit_cb(zfs_handle_t *zhp, void *data)
1765{
428870ff 1766 inherit_cbdata_t *cb = data;
b128c09f 1767
428870ff 1768 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 1769}
1770
1771static int
1772zfs_do_inherit(int argc, char **argv)
1773{
34dc7c2f
BB		 1774 int c;
1775 zfs_prop_t prop;
428870ff 1776 inherit_cbdata_t cb = { 0 };
34dc7c2f 1777 char *propname;
ad60af8e 1778 int ret = 0;
b128c09f 1779 int flags = 0;
428870ff 1780 boolean_t received = B_FALSE;
34dc7c2f
BB		 1781
1782 /* check options */
428870ff 1783 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 1784 switch (c) {
1785 case 'r':
b128c09f 1786 flags |= ZFS_ITER_RECURSE;
34dc7c2f 1787 break;
428870ff
BB		 1788 case 'S':
1789 received = B_TRUE;
1790 break;
34dc7c2f
BB		 1791 case '?':
1792 default:
1793 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1794 optopt);
1795 usage(B_FALSE);
1796 }
1797 }
1798
1799 argc -= optind;
1800 argv += optind;
1801
1802 /* check number of arguments */
1803 if (argc < 1) {
1804 (void) fprintf(stderr, gettext("missing property argument\n"));
1805 usage(B_FALSE);
1806 }
1807 if (argc < 2) {
1808 (void) fprintf(stderr, gettext("missing dataset argument\n"));
1809 usage(B_FALSE);
1810 }
1811
1812 propname = argv[0];
1813 argc--;
1814 argv++;
1815
1816 if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
1817 if (zfs_prop_readonly(prop)) {
1818 (void) fprintf(stderr, gettext(
1819 "%s property is read-only\n"),
1820 propname);
1821 return (1);
1822 }
428870ff 1823 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 1824 (void) fprintf(stderr, gettext("'%s' property cannot "
1825 "be inherited\n"), propname);
1826 if (prop == ZFS_PROP_QUOTA ||
1827 prop == ZFS_PROP_RESERVATION ||
1828 prop == ZFS_PROP_REFQUOTA ||
1829 prop == ZFS_PROP_REFRESERVATION)
1830 (void) fprintf(stderr, gettext("use 'zfs set "
1831 "%s=none' to clear\n"), propname);
1832 return (1);
1833 }
428870ff
BB		 1834 if (received && (prop == ZFS_PROP_VOLSIZE ||
1835 prop == ZFS_PROP_VERSION)) {
1836 (void) fprintf(stderr, gettext("'%s' property cannot "
1837 "be reverted to a received value\n"), propname);
1838 return (1);
1839 }
34dc7c2f
BB		 1840 } else if (!zfs_prop_user(propname)) {
1841 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
1842 propname);
1843 usage(B_FALSE);
1844 }
1845
428870ff
BB		 1846 cb.cb_propname = propname;
1847 cb.cb_received = received;
1848
b128c09f
BB		 1849 if (flags & ZFS_ITER_RECURSE) {
1850 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 1851 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 1852 } else {
1853 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 1854 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 1855 }
34dc7c2f
BB		 1856
1857 return (ret);
1858}
1859
1860typedef struct upgrade_cbdata {
1861 uint64_t cb_numupgraded;
1862 uint64_t cb_numsamegraded;
1863 uint64_t cb_numfailed;
1864 uint64_t cb_version;
1865 boolean_t cb_newer;
1866 boolean_t cb_foundone;
1867 char cb_lastfs[ZFS_MAXNAMELEN];
1868} upgrade_cbdata_t;
1869
1870static int
1871same_pool(zfs_handle_t *zhp, const char *name)
1872{
1873 int len1 = strcspn(name, "/@");
1874 const char *zhname = zfs_get_name(zhp);
1875 int len2 = strcspn(zhname, "/@");
1876
1877 if (len1 != len2)
1878 return (B_FALSE);
1879 return (strncmp(name, zhname, len1) == 0);
1880}
1881
1882static int
1883upgrade_list_callback(zfs_handle_t *zhp, void *data)
1884{
1885 upgrade_cbdata_t *cb = data;
1886 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
1887
1888 /* list if it's old/new */
1889 if ((!cb->cb_newer && version < ZPL_VERSION) ||
1890 (cb->cb_newer && version > ZPL_VERSION)) {
1891 char *str;
1892 if (cb->cb_newer) {
1893 str = gettext("The following filesystems are "
1894 "formatted using a newer software version and\n"
1895 "cannot be accessed on the current system.\n\n");
1896 } else {
1897 str = gettext("The following filesystems are "
1898 "out of date, and can be upgraded. After being\n"
1899 "upgraded, these filesystems (and any 'zfs send' "
1900 "streams generated from\n"
1901 "subsequent snapshots) will no longer be "
1902 "accessible by older software versions.\n\n");
1903 }
1904
1905 if (!cb->cb_foundone) {
1906 (void) puts(str);
1907 (void) printf(gettext("VER FILESYSTEM\n"));
1908 (void) printf(gettext("--- ------------\n"));
1909 cb->cb_foundone = B_TRUE;
1910 }
1911
1912 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
1913 }
1914
1915 return (0);
1916}
1917
1918static int
1919upgrade_set_callback(zfs_handle_t *zhp, void *data)
1920{
1921 upgrade_cbdata_t *cb = data;
1922 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 1923 int needed_spa_version;
1924 int spa_version;
1925
1926 if (zfs_spa_version(zhp, &spa_version) < 0)
1927 return (-1);
1928
1929 needed_spa_version = zfs_spa_version_map(cb->cb_version);
1930
1931 if (needed_spa_version < 0)
1932 return (-1);
1933
1934 if (spa_version < needed_spa_version) {
1935 /* can't upgrade */
1936 (void) printf(gettext("%s: can not be "
1937 "upgraded; the pool version needs to first "
1938 "be upgraded\nto version %d\n\n"),
1939 zfs_get_name(zhp), needed_spa_version);
1940 cb->cb_numfailed++;
1941 return (0);
34dc7c2f
BB		 1942 }
1943
1944 /* upgrade */
1945 if (version < cb->cb_version) {
1946 char verstr[16];
1947 (void) snprintf(verstr, sizeof (verstr),
b8864a23 1948 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 1949 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
1950 /*
1951 * If they did "zfs upgrade -a", then we could
1952 * be doing ioctls to different pools. We need
6f1ffb06
MA		 1953 * to log this history once to each pool, and bypass
1954 * the normal history logging that happens in main().
34dc7c2f 1955 */
6f1ffb06
MA		 1956 (void) zpool_log_history(g_zfs, history_str);
1957 log_history = B_FALSE;
34dc7c2f
BB		 1958 }
1959 if (zfs_prop_set(zhp, "version", verstr) == 0)
1960 cb->cb_numupgraded++;
1961 else
1962 cb->cb_numfailed++;
1963 (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp));
1964 } else if (version > cb->cb_version) {
1965 /* can't downgrade */
1966 (void) printf(gettext("%s: can not be downgraded; "
1967 "it is already at version %u\n"),
1968 zfs_get_name(zhp), version);
1969 cb->cb_numfailed++;
1970 } else {
1971 cb->cb_numsamegraded++;
1972 }
1973 return (0);
1974}
1975
1976/*
1977 * zfs upgrade
1978 * zfs upgrade -v
1979 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
1980 */
1981static int
1982zfs_do_upgrade(int argc, char **argv)
1983{
34dc7c2f
BB		 1984 boolean_t all = B_FALSE;
1985 boolean_t showversions = B_FALSE;
ad60af8e 1986 int ret = 0;
34dc7c2f 1987 upgrade_cbdata_t cb = { 0 };
b8864a23 1988 signed char c;
b128c09f 1989 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 1990
1991 /* check options */
1992 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
1993 switch (c) {
1994 case 'r':
b128c09f 1995 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 1996 break;
1997 case 'v':
1998 showversions = B_TRUE;
1999 break;
2000 case 'V':
2001 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
2002 optarg, &cb.cb_version) != 0) {
2003 (void) fprintf(stderr,
2004 gettext("invalid version %s\n"), optarg);
2005 usage(B_FALSE);
2006 }
2007 break;
2008 case 'a':
2009 all = B_TRUE;
2010 break;
2011 case '?':
2012 default:
2013 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2014 optopt);
2015 usage(B_FALSE);
2016 }
2017 }
2018
2019 argc -= optind;
2020 argv += optind;
2021
b128c09f 2022 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 2023 usage(B_FALSE);
b128c09f
BB		 2024 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
2025 cb.cb_version || argc))
34dc7c2f
BB		 2026 usage(B_FALSE);
2027 if ((all || argc) && (showversions))
2028 usage(B_FALSE);
2029 if (all && argc)
2030 usage(B_FALSE);
2031
2032 if (showversions) {
2033 /* Show info on available versions. */
2034 (void) printf(gettext("The following filesystem versions are "
2035 "supported:\n\n"));
2036 (void) printf(gettext("VER DESCRIPTION\n"));
2037 (void) printf("--- -----------------------------------------"
2038 "---------------\n");
2039 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2040 (void) printf(gettext(" 2 Enhanced directory entries\n"));
330d06f9
MA		 2041 (void) printf(gettext(" 3 Case insensitive and filesystem "
2042 "user identifier (FUID)\n"));
9babb374
BB		 2043 (void) printf(gettext(" 4 userquota, groupquota "
2044 "properties\n"));
428870ff 2045 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 2046 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 2047 "version, including supported releases,\n"));
2048 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 2049 ret = 0;
2050 } else if (argc || all) {
2051 /* Upgrade filesystems */
2052 if (cb.cb_version == 0)
2053 cb.cb_version = ZPL_VERSION;
b128c09f 2054 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2055 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 2056 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 2057 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 2058 if (cb.cb_numsamegraded) {
2059 (void) printf(gettext("%llu filesystems already at "
2060 "this version\n"),
b8864a23 2061 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 2062 }
2063 if (cb.cb_numfailed != 0)
2064 ret = 1;
2065 } else {
2066 /* List old-version filesytems */
2067 boolean_t found;
2068 (void) printf(gettext("This system is currently running "
2069 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
2070
b128c09f
BB		 2071 flags |= ZFS_ITER_RECURSE;
2072 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2073 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2074
2075 found = cb.cb_foundone;
2076 cb.cb_foundone = B_FALSE;
2077 cb.cb_newer = B_TRUE;
2078
b128c09f 2079 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2080 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2081
2082 if (!cb.cb_foundone && !found) {
2083 (void) printf(gettext("All filesystems are "
2084 "formatted with the current version.\n"));
2085 }
2086 }
2087
2088 return (ret);
2089}
2090
5990da81
YP		 2091/*
2092 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2093 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
2094 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2095 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
2096 *
2097 * -H Scripted mode; elide headers and separate columns by tabs.
2098 * -i Translate SID to POSIX ID.
2099 * -n Print numeric ID instead of user/group name.
2100 * -o Control which fields to display.
2101 * -p Use exact (parseable) numeric output.
2102 * -s Specify sort columns, descending order.
2103 * -S Specify sort columns, ascending order.
2104 * -t Control which object types to display.
2105 *
2106 * Displays space consumed by, and quotas on, each user in the specified
2107 * filesystem or snapshot.
2108 */
0b7936d5 2109
5990da81
YP		 2110/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2111enum us_field_types {
2112 USFIELD_TYPE,
2113 USFIELD_NAME,
2114 USFIELD_USED,
2115 USFIELD_QUOTA
2116};
2117static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA" };
2118static char *us_field_names[] = { "type", "name", "used", "quota" };
2119#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
0b7936d5 2120
5990da81
YP		 2121#define USTYPE_PSX_GRP (1 << 0)
2122#define USTYPE_PSX_USR (1 << 1)
2123#define USTYPE_SMB_GRP (1 << 2)
2124#define USTYPE_SMB_USR (1 << 3)
2125#define USTYPE_ALL \
2126 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR)
0b7936d5 2127
5990da81
YP		 2128static int us_type_bits[] = {
2129 USTYPE_PSX_GRP,
2130 USTYPE_PSX_USR,
2131 USTYPE_SMB_GRP,
2132 USTYPE_SMB_USR,
2133 USTYPE_ALL
2134};
2135static char *us_type_names[] = { "posixgroup", "posxiuser", "smbgroup",
2136 "smbuser", "all" };
0b7936d5
AS		 2137
2138typedef struct us_node {
2139 nvlist_t *usn_nvl;
2140 uu_avl_node_t usn_avlnode;
2141 uu_list_node_t usn_listnode;
2142} us_node_t;
2143
2144typedef struct us_cbdata {
5990da81
YP		 2145 nvlist_t **cb_nvlp;
2146 uu_avl_pool_t *cb_avl_pool;
2147 uu_avl_t *cb_avl;
2148 boolean_t cb_numname;
2149 boolean_t cb_nicenum;
2150 boolean_t cb_sid2posix;
2151 zfs_userquota_prop_t cb_prop;
2152 zfs_sort_column_t *cb_sortcol;
2153 size_t cb_width[USFIELD_LAST];
0b7936d5
AS		 2154} us_cbdata_t;
2155
5990da81
YP		 2156static boolean_t us_populated = B_FALSE;
2157
0b7936d5
AS		 2158typedef struct {
2159 zfs_sort_column_t *si_sortcol;
5990da81 2160 boolean_t si_numname;
0b7936d5
AS		 2161} us_sort_info_t;
2162
5990da81
YP		 2163static int
2164us_field_index(char *field)
2165{
2166 int i;
2167
2168 for (i = 0; i < USFIELD_LAST; i++) {
2169 if (strcmp(field, us_field_names[i]) == 0)
2170 return (i);
2171 }
2172
2173 return (-1);
2174}
2175
0b7936d5
AS		 2176static int
2177us_compare(const void *larg, const void *rarg, void *unused)
2178{
2179 const us_node_t *l = larg;
2180 const us_node_t *r = rarg;
0b7936d5
AS		 2181 us_sort_info_t *si = (us_sort_info_t *)unused;
2182 zfs_sort_column_t *sortcol = si->si_sortcol;
5990da81 2183 boolean_t numname = si->si_numname;
0b7936d5
AS		 2184 nvlist_t *lnvl = l->usn_nvl;
2185 nvlist_t *rnvl = r->usn_nvl;
5990da81
YP		 2186 int rc = 0;
2187 boolean_t lvb, rvb;
0b7936d5
AS		 2188
2189 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
2190 char *lvstr = "";
2191 char *rvstr = "";
2192 uint32_t lv32 = 0;
2193 uint32_t rv32 = 0;
2194 uint64_t lv64 = 0;
2195 uint64_t rv64 = 0;
2196 zfs_prop_t prop = sortcol->sc_prop;
2197 const char *propname = NULL;
2198 boolean_t reverse = sortcol->sc_reverse;
2199
2200 switch (prop) {
2201 case ZFS_PROP_TYPE:
2202 propname = "type";
2203 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
2204 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
2205 if (rv32 != lv32)
5990da81 2206 rc = (rv32 < lv32) ? 1 : -1;
0b7936d5
AS		 2207 break;
2208 case ZFS_PROP_NAME:
2209 propname = "name";
5990da81
YP		 2210 if (numname) {
2211 (void) nvlist_lookup_uint64(lnvl, propname,
2212 &lv64);
2213 (void) nvlist_lookup_uint64(rnvl, propname,
2214 &rv64);
2215 if (rv64 != lv64)
2216 rc = (rv64 < lv64) ? 1 : -1;
0b7936d5
AS		 2217 } else {
2218 (void) nvlist_lookup_string(lnvl, propname,
2219 &lvstr);
2220 (void) nvlist_lookup_string(rnvl, propname,
2221 &rvstr);
2222 rc = strcmp(lvstr, rvstr);
2223 }
2224 break;
0b7936d5
AS		 2225 case ZFS_PROP_USED:
2226 case ZFS_PROP_QUOTA:
5990da81
YP		 2227 if (!us_populated)
2228 break;
2229 if (prop == ZFS_PROP_USED)
0b7936d5
AS		 2230 propname = "used";
2231 else
2232 propname = "quota";
2233 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
2234 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
2235 if (rv64 != lv64)
5990da81
YP		 2236 rc = (rv64 < lv64) ? 1 : -1;
2237 break;
0b7936d5
AS		 2238 default:
2239 break;
2240 }
2241
5990da81 2242 if (rc != 0) {
0b7936d5
AS		 2243 if (rc < 0)
2244 return (reverse ? 1 : -1);
2245 else
2246 return (reverse ? -1 : 1);
2247 }
2248 }
2249
5990da81
YP		 2250 /*
2251 * If entries still seem to be the same, check if they are of the same
2252 * type (smbentity is added only if we are doing SID to POSIX ID
2253 * translation where we can have duplicate type/name combinations).
2254 */
2255 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
2256 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
2257 lvb != rvb)
2258 return (lvb < rvb ? -1 : 1);
2259
2260 return (0);
0b7936d5
AS		 2261}
2262
2263static inline const char *
2264us_type2str(unsigned field_type)
2265{
2266 switch (field_type) {
2267 case USTYPE_PSX_USR:
2268 return ("POSIX User");
2269 case USTYPE_PSX_GRP:
2270 return ("POSIX Group");
2271 case USTYPE_SMB_USR:
2272 return ("SMB User");
2273 case USTYPE_SMB_GRP:
2274 return ("SMB Group");
2275 default:
2276 return ("Undefined");
2277 }
2278}
2279
9babb374
BB		 2280static int
2281userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
2282{
0b7936d5
AS		 2283 us_cbdata_t *cb = (us_cbdata_t *)arg;
2284 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 2285 char *name = NULL;
0b7936d5 2286 char *propname;
9babb374 2287 char sizebuf[32];
0b7936d5
AS		 2288 us_node_t *node;
2289 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
2290 uu_avl_t *avl = cb->cb_avl;
2291 uu_avl_index_t idx;
2292 nvlist_t *props;
2293 us_node_t *n;
2294 zfs_sort_column_t *sortcol = cb->cb_sortcol;
5990da81 2295 unsigned type = 0;
0b7936d5
AS		 2296 const char *typestr;
2297 size_t namelen;
2298 size_t typelen;
2299 size_t sizelen;
5990da81 2300 int typeidx, nameidx, sizeidx;
0b7936d5 2301 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
5990da81 2302 boolean_t smbentity = B_FALSE;
9babb374 2303
5990da81
YP		 2304 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
2305 nomem();
2306 node = safe_malloc(sizeof (us_node_t));
2307 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2308 node->usn_nvl = props;
2309
2310 if (domain != NULL && domain[0] != '\0') {
0b7936d5 2311#ifdef HAVE_IDMAP
5990da81
YP		 2312 /* SMB */
2313 char sid[ZFS_MAXNAMELEN + 32];
0b7936d5
AS		 2314 uid_t id;
2315 uint64_t classes;
5990da81 2316 int err;
0b7936d5
AS		 2317 directory_error_t e;
2318
5990da81
YP		 2319 smbentity = B_TRUE;
2320
0b7936d5 2321 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
5990da81 2322
0b7936d5
AS		 2323 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2324 type = USTYPE_SMB_GRP;
2325 err = sid_to_id(sid, B_FALSE, &id);
2326 } else {
2327 type = USTYPE_SMB_USR;
2328 err = sid_to_id(sid, B_TRUE, &id);
2329 }
2330
2331 if (err == 0) {
2332 rid = id;
5990da81
YP		 2333 if (!cb->cb_sid2posix) {
2334 e = directory_name_from_sid(NULL, sid, &name,
2335 &classes);
105afebb 2336 if (e != NULL)
5990da81 2337 directory_error_free(e);
5990da81
YP		 2338 if (name == NULL)
2339 name = sid;
0b7936d5 2340 }
0b7936d5
AS		 2341 }
2342#else
5990da81
YP		 2343 nvlist_free(props);
2344 free(node);
2345
0b7936d5
AS		 2346 return (-1);
2347#endif /* HAVE_IDMAP */
9babb374
BB		 2348 }
2349
5990da81
YP		 2350 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
2351 /* POSIX or -i */
2352 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2353 type = USTYPE_PSX_GRP;
2354 if (!cb->cb_numname) {
2355 struct group *g;
0b7936d5 2356
5990da81
YP		 2357 if ((g = getgrgid(rid)) != NULL)
2358 name = g->gr_name;
2359 }
2360 } else {
2361 type = USTYPE_PSX_USR;
2362 if (!cb->cb_numname) {
2363 struct passwd *p;
0b7936d5 2364
5990da81
YP		 2365 if ((p = getpwuid(rid)) != NULL)
2366 name = p->pw_name;
2367 }
2368 }
0b7936d5
AS		 2369 }
2370
5990da81
YP		 2371 /*
2372 * Make sure that the type/name combination is unique when doing
2373 * SID to POSIX ID translation (hence changing the type from SMB to
2374 * POSIX).
2375 */
2376 if (cb->cb_sid2posix &&
2377 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
2378 nomem();
2379
2380 /* Calculate/update width of TYPE field */
2381 typestr = us_type2str(type);
2382 typelen = strlen(gettext(typestr));
2383 typeidx = us_field_index("type");
2384 if (typelen > cb->cb_width[typeidx])
2385 cb->cb_width[typeidx] = typelen;
0b7936d5
AS		 2386 if (nvlist_add_uint32(props, "type", type) != 0)
2387 nomem();
2388
5990da81
YP		 2389 /* Calculate/update width of NAME field */
2390 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
2391 if (nvlist_add_uint64(props, "name", rid) != 0)
0b7936d5 2392 nomem();
5990da81 2393 namelen = snprintf(NULL, 0, "%u", rid);
0b7936d5
AS		 2394 } else {
2395 if (nvlist_add_string(props, "name", name) != 0)
2396 nomem();
2397 namelen = strlen(name);
2398 }
5990da81
YP		 2399 nameidx = us_field_index("name");
2400 if (namelen > cb->cb_width[nameidx])
2401 cb->cb_width[nameidx] = namelen;
0b7936d5 2402
5990da81
YP		 2403 /*
2404 * Check if this type/name combination is in the list and update it;
2405 * otherwise add new node to the list.
2406 */
2407 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
0b7936d5 2408 uu_avl_insert(avl, node, idx);
5990da81 2409 } else {
0b7936d5
AS		 2410 nvlist_free(props);
2411 free(node);
2412 node = n;
2413 props = node->usn_nvl;
9babb374 2414 }
9babb374 2415
5990da81
YP		 2416 /* Calculate/update width of USED/QUOTA fields */
2417 if (cb->cb_nicenum)
2418 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2419 else
2420 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
2421 (u_longlong_t)space);
2422 sizelen = strlen(sizebuf);
2423 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED) {
2424 propname = "used";
2425 if (!nvlist_exists(props, "quota"))
2426 (void) nvlist_add_uint64(props, "quota", 0);
2427 } else {
2428 propname = "quota";
2429 if (!nvlist_exists(props, "used"))
2430 (void) nvlist_add_uint64(props, "used", 0);
2431 }
2432 sizeidx = us_field_index(propname);
2433 if (sizelen > cb->cb_width[sizeidx])
2434 cb->cb_width[sizeidx] = sizelen;
2435
0b7936d5
AS		 2436 if (nvlist_add_uint64(props, propname, space) != 0)
2437 nomem();
2438
2439 return (0);
2440}
2441
0b7936d5 2442static void
5990da81
YP		 2443print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
2444 size_t *width, us_node_t *node)
0b7936d5
AS		 2445{
2446 nvlist_t *nvl = node->usn_nvl;
0b7936d5
AS		 2447 char valstr[ZFS_MAXNAMELEN];
2448 boolean_t first = B_TRUE;
5990da81
YP		 2449 int cfield = 0;
2450 int field;
2451 uint32_t ustype;
2452
2453 /* Check type */
2454 (void) nvlist_lookup_uint32(nvl, "type", &ustype);
2455 if (!(ustype & types))
2456 return;
2457
2458 while ((field = fields[cfield]) != USFIELD_LAST) {
2459 nvpair_t *nvp = NULL;
2460 data_type_t type;
2461 uint32_t val32;
2462 uint64_t val64;
0b7936d5 2463 char *strval = NULL;
5990da81
YP		 2464
2465 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
2466 if (strcmp(nvpair_name(nvp),
2467 us_field_names[field]) == 0)
0b7936d5 2468 break;
0b7936d5
AS		 2469 }
2470
5990da81 2471 type = nvpair_type(nvp);
0b7936d5
AS		 2472 switch (type) {
2473 case DATA_TYPE_UINT32:
2474 (void) nvpair_value_uint32(nvp, &val32);
2475 break;
2476 case DATA_TYPE_UINT64:
2477 (void) nvpair_value_uint64(nvp, &val64);
2478 break;
2479 case DATA_TYPE_STRING:
2480 (void) nvpair_value_string(nvp, &strval);
2481 break;
2482 default:
5990da81 2483 (void) fprintf(stderr, "invalid data type\n");
0b7936d5
AS		 2484 }
2485
2486 switch (field) {
2487 case USFIELD_TYPE:
2488 strval = (char *)us_type2str(val32);
0b7936d5
AS		 2489 break;
2490 case USFIELD_NAME:
2491 if (type == DATA_TYPE_UINT64) {
2492 (void) sprintf(valstr, "%llu",
2493 (u_longlong_t) val64);
2494 strval = valstr;
2495 }
0b7936d5
AS		 2496 break;
2497 case USFIELD_USED:
2498 case USFIELD_QUOTA:
2499 if (type == DATA_TYPE_UINT64) {
5990da81 2500 if (parsable) {
0b7936d5
AS		 2501 (void) sprintf(valstr, "%llu",
2502 (u_longlong_t) val64);
5990da81 2503 } else {
0b7936d5
AS		 2504 zfs_nicenum(val64, valstr,
2505 sizeof (valstr));
5990da81
YP		 2506 }
2507 if (field == USFIELD_QUOTA &&
2508 strcmp(valstr, "0") == 0)
2509 strval = "none";
2510 else
2511 strval = valstr;
0b7936d5 2512 }
0b7936d5
AS		 2513 break;
2514 }
2515
5990da81
YP		 2516 if (!first) {
2517 if (scripted)
2518 (void) printf("\t");
0b7936d5 2519 else
5990da81 2520 (void) printf(" ");
0b7936d5 2521 }
5990da81
YP		 2522 if (scripted)
2523 (void) printf("%s", strval);
2524 else if (field == USFIELD_TYPE || field == USFIELD_NAME)
2525 (void) printf("%-*s", (int) width[field], strval);
2526 else
2527 (void) printf("%*s", (int) width[field], strval);
0b7936d5
AS		 2528
2529 first = B_FALSE;
5990da81 2530 cfield++;
0b7936d5
AS		 2531 }
2532
2533 (void) printf("\n");
2534}
2535
2536static void
5990da81
YP		 2537print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
2538 size_t *width, boolean_t rmnode, uu_avl_t *avl)
0b7936d5 2539{
0b7936d5
AS		 2540 us_node_t *node;
2541 const char *col;
5990da81
YP		 2542 int cfield = 0;
2543 int field;
0b7936d5
AS		 2544
2545 if (!scripted) {
2546 boolean_t first = B_TRUE;
5990da81
YP		 2547
2548 while ((field = fields[cfield]) != USFIELD_LAST) {
2549 col = gettext(us_field_hdr[field]);
2550 if (field == USFIELD_TYPE || field == USFIELD_NAME) {
2551 (void) printf(first ? "%-*s" : " %-*s",
2552 (int) width[field], col);
2553 } else {
2554 (void) printf(first ? "%*s" : " %*s",
2555 (int) width[field], col);
2556 }
0b7936d5 2557 first = B_FALSE;
5990da81 2558 cfield++;
0b7936d5
AS		 2559 }
2560 (void) printf("\n");
2561 }
2562
5990da81
YP		 2563 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
2564 print_us_node(scripted, parsable, fields, types, width, node);
0b7936d5
AS		 2565 if (rmnode)
2566 nvlist_free(node->usn_nvl);
2567 }
2568}
2569
9babb374
BB		 2570static int
2571zfs_do_userspace(int argc, char **argv)
2572{
2573 zfs_handle_t *zhp;
2574 zfs_userquota_prop_t p;
0b7936d5
AS		 2575 uu_avl_pool_t *avl_pool;
2576 uu_avl_t *avl_tree;
2577 uu_avl_walk_t *walk;
5990da81
YP		 2578 char *delim;
2579 char deffields[] = "type,name,used,quota";
2580 char *ofield = NULL;
2581 char *tfield = NULL;
2582 int cfield = 0;
2583 int fields[256];
2584 int i;
0b7936d5
AS		 2585 boolean_t scripted = B_FALSE;
2586 boolean_t prtnum = B_FALSE;
5990da81 2587 boolean_t parsable = B_FALSE;
0b7936d5 2588 boolean_t sid2posix = B_FALSE;
105afebb 2589 int ret = 0;
0b7936d5 2590 int c;
0b7936d5 2591 zfs_sort_column_t *sortcol = NULL;
5990da81 2592 int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
0b7936d5
AS		 2593 us_cbdata_t cb;
2594 us_node_t *node;
5990da81
YP		 2595 us_node_t *rmnode;
2596 uu_list_pool_t *listpool;
2597 uu_list_t *list;
2598 uu_avl_index_t idx = 0;
2599 uu_list_index_t idx2 = 0;
0b7936d5
AS		 2600
2601 if (argc < 2)
2602 usage(B_FALSE);
2603
5990da81
YP		 2604 if (strcmp(argv[0], "groupspace") == 0)
2605 /* Toggle default group types */
0b7936d5
AS		 2606 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
2607
0b7936d5
AS		 2608 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
2609 switch (c) {
2610 case 'n':
2611 prtnum = B_TRUE;
2612 break;
2613 case 'H':
2614 scripted = B_TRUE;
2615 break;
2616 case 'p':
5990da81 2617 parsable = B_TRUE;
0b7936d5
AS		 2618 break;
2619 case 'o':
5990da81 2620 ofield = optarg;
0b7936d5
AS		 2621 break;
2622 case 's':
0b7936d5
AS		 2623 case 'S':
2624 if (zfs_add_sort_column(&sortcol, optarg,
5990da81 2625 c == 's' ? B_FALSE : B_TRUE) != 0) {
0b7936d5 2626 (void) fprintf(stderr,
5990da81 2627 gettext("invalid field '%s'\n"), optarg);
0b7936d5
AS		 2628 usage(B_FALSE);
2629 }
2630 break;
2631 case 't':
5990da81 2632 tfield = optarg;
0b7936d5
AS		 2633 break;
2634 case 'i':
2635 sid2posix = B_TRUE;
2636 break;
2637 case ':':
2638 (void) fprintf(stderr, gettext("missing argument for "
2639 "'%c' option\n"), optopt);
2640 usage(B_FALSE);
2641 break;
2642 case '?':
2643 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2644 optopt);
2645 usage(B_FALSE);
2646 }
2647 }
2648
2649 argc -= optind;
2650 argv += optind;
2651
5990da81
YP		 2652 if (argc < 1) {
2653 (void) fprintf(stderr, gettext("missing dataset name\n"));
2654 usage(B_FALSE);
2655 }
2656 if (argc > 1) {
2657 (void) fprintf(stderr, gettext("too many arguments\n"));
2658 usage(B_FALSE);
0b7936d5
AS		 2659 }
2660
5990da81
YP		 2661 /* Use default output fields if not specified using -o */
2662 if (ofield == NULL)
2663 ofield = deffields;
2664 do {
2665 if ((delim = strchr(ofield, ',')) != NULL)
2666 *delim = '\0';
2667 if ((fields[cfield++] = us_field_index(ofield)) == -1) {
2668 (void) fprintf(stderr, gettext("invalid type '%s' "
2669 "for -o option\n"), ofield);
2670 return (-1);
2671 }
2672 if (delim != NULL)
2673 ofield = delim + 1;
2674 } while (delim != NULL);
2675 fields[cfield] = USFIELD_LAST;
2676
2677 /* Override output types (-t option) */
2678 if (tfield != NULL) {
2679 types = 0;
2680
2681 do {
2682 boolean_t found = B_FALSE;
2683
2684 if ((delim = strchr(tfield, ',')) != NULL)
2685 *delim = '\0';
2686 for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
2687 i++) {
2688 if (strcmp(tfield, us_type_names[i]) == 0) {
2689 found = B_TRUE;
2690 types |= us_type_bits[i];
2691 break;
2692 }
2693 }
2694 if (!found) {
2695 (void) fprintf(stderr, gettext("invalid type "
2696 "'%s' for -t option\n"), tfield);
2697 return (-1);
2698 }
2699 if (delim != NULL)
2700 tfield = delim + 1;
2701 } while (delim != NULL);
2702 }
9babb374 2703
5990da81 2704 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
9babb374
BB		 2705 return (1);
2706
0b7936d5 2707 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
5990da81 2708 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
0b7936d5
AS		 2709 nomem();
2710 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
2711 nomem();
2712
5990da81
YP		 2713 /* Always add default sorting columns */
2714 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
2715 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
2716
2717 cb.cb_sortcol = sortcol;
0b7936d5 2718 cb.cb_numname = prtnum;
5990da81 2719 cb.cb_nicenum = !parsable;
0b7936d5
AS		 2720 cb.cb_avl_pool = avl_pool;
2721 cb.cb_avl = avl_tree;
2722 cb.cb_sid2posix = sid2posix;
5990da81
YP		 2723
2724 for (i = 0; i < USFIELD_LAST; i++)
2725 cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
9babb374
BB		 2726
2727 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
5990da81
YP		 2728 if (((p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA) &&
2729 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
2730 ((p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) &&
2731 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))))
0b7936d5 2732 continue;
0b7936d5 2733 cb.cb_prop = p;
105afebb
YP		 2734 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0)
2735 return (ret);
9babb374 2736 }
0b7936d5 2737
5990da81 2738 /* Sort the list */
105afebb
YP		 2739 if ((node = uu_avl_first(avl_tree)) == NULL)
2740 return (0);
2741
5990da81 2742 us_populated = B_TRUE;
105afebb 2743
5990da81
YP		 2744 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
2745 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
2746 list = uu_list_create(listpool, NULL, UU_DEFAULT);
5990da81 2747 uu_list_node_init(node, &node->usn_listnode, listpool);
0b7936d5 2748
5990da81
YP		 2749 while (node != NULL) {
2750 rmnode = node;
2751 node = uu_avl_next(avl_tree, node);
2752 uu_avl_remove(avl_tree, rmnode);
2753 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
2754 uu_list_insert(list, rmnode, idx2);
2755 }
0b7936d5 2756
5990da81
YP		 2757 for (node = uu_list_first(list); node != NULL;
2758 node = uu_list_next(list, node)) {
2759 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
2760
2761 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
2762 uu_avl_insert(avl_tree, node, idx);
0b7936d5
AS		 2763 }
2764
5990da81
YP		 2765 uu_list_destroy(list);
2766 uu_list_pool_destroy(listpool);
0b7936d5 2767
5990da81
YP		 2768 /* Print and free node nvlist memory */
2769 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
2770 cb.cb_avl);
0b7936d5 2771
5990da81
YP		 2772 zfs_free_sort_columns(sortcol);
2773
2774 /* Clean up the AVL tree */
0b7936d5
AS		 2775 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
2776 nomem();
2777
2778 while ((node = uu_avl_walk_next(walk)) != NULL) {
2779 uu_avl_remove(cb.cb_avl, node);
2780 free(node);
2781 }
2782
2783 uu_avl_walk_end(walk);
2784 uu_avl_destroy(avl_tree);
2785 uu_avl_pool_destroy(avl_pool);
2786
105afebb 2787 return (ret);
9babb374
BB		 2788}
2789
2790/*
2791 * list [-r][-d max] [-H] [-o property[,property]...] [-t type[,type]...]
34dc7c2f
BB		 2792 * [-s property [-s property]...] [-S property [-S property]...]
2793 * <dataset> ...
2794 *
428870ff
BB		 2795 * -r Recurse over all children
2796 * -d Limit recursion by depth.
2797 * -H Scripted mode; elide headers and separate columns by tabs
2798 * -o Control which fields to display.
2799 * -t Control which object types to display.
34dc7c2f
BB		 2800 * -s Specify sort columns, descending order.
2801 * -S Specify sort columns, ascending order.
2802 *
2803 * When given no arguments, lists all filesystems in the system.
2804 * Otherwise, list the specified datasets, optionally recursing down them if
2805 * '-r' is specified.
2806 */
2807typedef struct list_cbdata {
2808 boolean_t cb_first;
2809 boolean_t cb_scripted;
2810 zprop_list_t *cb_proplist;
2811} list_cbdata_t;
2812
2813/*
2814 * Given a list of columns to display, output appropriate headers for each one.
2815 */
2816static void
2817print_header(zprop_list_t *pl)
2818{
2819 char headerbuf[ZFS_MAXPROPLEN];
2820 const char *header;
2821 int i;
2822 boolean_t first = B_TRUE;
2823 boolean_t right_justify;
2824
2825 for (; pl != NULL; pl = pl->pl_next) {
2826 if (!first) {
2827 (void) printf(" ");
2828 } else {
2829 first = B_FALSE;
2830 }
2831
2832 right_justify = B_FALSE;
2833 if (pl->pl_prop != ZPROP_INVAL) {
2834 header = zfs_prop_column_name(pl->pl_prop);
2835 right_justify = zfs_prop_align_right(pl->pl_prop);
2836 } else {
2837 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
2838 headerbuf[i] = toupper(pl->pl_user_prop[i]);
2839 headerbuf[i] = '\0';
2840 header = headerbuf;
2841 }
2842
2843 if (pl->pl_next == NULL && !right_justify)
2844 (void) printf("%s", header);
2845 else if (right_justify)
b8864a23 2846 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 2847 else
b8864a23 2848 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 2849 }
2850
2851 (void) printf("\n");
2852}
2853
2854/*
2855 * Given a dataset and a list of fields, print out all the properties according
2856 * to the described layout.
2857 */
2858static void
2859print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted)
2860{
2861 boolean_t first = B_TRUE;
2862 char property[ZFS_MAXPROPLEN];
2863 nvlist_t *userprops = zfs_get_user_props(zhp);
2864 nvlist_t *propval;
2865 char *propstr;
2866 boolean_t right_justify;
2867 int width;
2868
2869 for (; pl != NULL; pl = pl->pl_next) {
2870 if (!first) {
2871 if (scripted)
2872 (void) printf("\t");
2873 else
2874 (void) printf(" ");
2875 } else {
2876 first = B_FALSE;
2877 }
2878
0cee2406
PJD		 2879 if (pl->pl_prop == ZFS_PROP_NAME) {
2880 (void) strlcpy(property, zfs_get_name(zhp),
2881 sizeof(property));
2882 propstr = property;
2883 right_justify = zfs_prop_align_right(pl->pl_prop);
2884 } else if (pl->pl_prop != ZPROP_INVAL) {
34dc7c2f
BB		 2885 if (zfs_prop_get(zhp, pl->pl_prop, property,
2886 sizeof (property), NULL, NULL, 0, B_FALSE) != 0)
2887 propstr = "-";
2888 else
2889 propstr = property;
2890
2891 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 2892 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
2893 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
2894 property, sizeof (property), B_FALSE) != 0)
2895 propstr = "-";
2896 else
2897 propstr = property;
2898 right_justify = B_TRUE;
330d06f9
MA		 2899 } else if (zfs_prop_written(pl->pl_user_prop)) {
2900 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
2901 property, sizeof (property), B_FALSE) != 0)
2902 propstr = "-";
2903 else
2904 propstr = property;
2905 right_justify = B_TRUE;
34dc7c2f
BB		 2906 } else {
2907 if (nvlist_lookup_nvlist(userprops,
2908 pl->pl_user_prop, &propval) != 0)
2909 propstr = "-";
2910 else
2911 verify(nvlist_lookup_string(propval,
2912 ZPROP_VALUE, &propstr) == 0);
9babb374 2913 right_justify = B_FALSE;
34dc7c2f
BB		 2914 }
2915
2916 width = pl->pl_width;
2917
2918 /*
2919 * If this is being called in scripted mode, or if this is the
2920 * last column and it is left-justified, don't include a width
2921 * format specifier.
2922 */
2923 if (scripted || (pl->pl_next == NULL && !right_justify))
2924 (void) printf("%s", propstr);
2925 else if (right_justify)
2926 (void) printf("%*s", width, propstr);
2927 else
2928 (void) printf("%-*s", width, propstr);
2929 }
2930
2931 (void) printf("\n");
2932}
2933
2934/*
2935 * Generic callback function to list a dataset or snapshot.
2936 */
2937static int
2938list_callback(zfs_handle_t *zhp, void *data)
2939{
2940 list_cbdata_t *cbp = data;
2941
2942 if (cbp->cb_first) {
2943 if (!cbp->cb_scripted)
2944 print_header(cbp->cb_proplist);
2945 cbp->cb_first = B_FALSE;
2946 }
2947
2948 print_dataset(zhp, cbp->cb_proplist, cbp->cb_scripted);
2949
2950 return (0);
2951}
2952
2953static int
2954zfs_do_list(int argc, char **argv)
2955{
2956 int c;
34dc7c2f
BB		 2957 boolean_t scripted = B_FALSE;
2958 static char default_fields[] =
2959 "name,used,available,referenced,mountpoint";
d164b209 2960 int types = ZFS_TYPE_DATASET;
b128c09f 2961 boolean_t types_specified = B_FALSE;
34dc7c2f 2962 char *fields = NULL;
34dc7c2f
BB		 2963 list_cbdata_t cb = { 0 };
2964 char *value;
9babb374 2965 int limit = 0;
ad60af8e 2966 int ret = 0;
34dc7c2f 2967 zfs_sort_column_t *sortcol = NULL;
b128c09f 2968 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2969
2970 /* check options */
9babb374 2971 while ((c = getopt(argc, argv, ":d:o:rt:Hs:S:")) != -1) {
34dc7c2f
BB		 2972 switch (c) {
2973 case 'o':
2974 fields = optarg;
2975 break;
9babb374
BB		 2976 case 'd':
2977 limit = parse_depth(optarg, &flags);
2978 break;
34dc7c2f 2979 case 'r':
b128c09f 2980 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2981 break;
2982 case 'H':
2983 scripted = B_TRUE;
2984 break;
2985 case 's':
2986 if (zfs_add_sort_column(&sortcol, optarg,
2987 B_FALSE) != 0) {
2988 (void) fprintf(stderr,
2989 gettext("invalid property '%s'\n"), optarg);
2990 usage(B_FALSE);
2991 }
2992 break;
2993 case 'S':
2994 if (zfs_add_sort_column(&sortcol, optarg,
2995 B_TRUE) != 0) {
2996 (void) fprintf(stderr,
2997 gettext("invalid property '%s'\n"), optarg);
2998 usage(B_FALSE);
2999 }
3000 break;
3001 case 't':
3002 types = 0;
b128c09f
BB		 3003 types_specified = B_TRUE;
3004 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
34dc7c2f 3005 while (*optarg != '\0') {
b128c09f 3006 static char *type_subopts[] = { "filesystem",
cf81b00a 3007 "volume", "snapshot", "snap", "all", NULL };
b128c09f 3008
34dc7c2f
BB		 3009 switch (getsubopt(&optarg, type_subopts,
3010 &value)) {
3011 case 0:
3012 types |= ZFS_TYPE_FILESYSTEM;
3013 break;
3014 case 1:
3015 types |= ZFS_TYPE_VOLUME;
3016 break;
3017 case 2:
cf81b00a 3018 case 3:
34dc7c2f
BB		 3019 types |= ZFS_TYPE_SNAPSHOT;
3020 break;
cf81b00a 3021 case 4:
b128c09f
BB		 3022 types = ZFS_TYPE_DATASET;
3023 break;
3024
34dc7c2f
BB		 3025 default:
3026 (void) fprintf(stderr,
3027 gettext("invalid type '%s'\n"),
3028 value);
3029 usage(B_FALSE);
3030 }
3031 }
3032 break;
3033 case ':':
3034 (void) fprintf(stderr, gettext("missing argument for "
3035 "'%c' option\n"), optopt);
3036 usage(B_FALSE);
3037 break;
3038 case '?':
3039 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3040 optopt);
3041 usage(B_FALSE);
3042 }
3043 }
3044
3045 argc -= optind;
3046 argv += optind;
3047
3048 if (fields == NULL)
b128c09f
BB		 3049 fields = default_fields;
3050
0cee2406
PJD		 3051 /*
3052 * If we are only going to list snapshot names and sort by name,
3053 * then we can use faster version.
3054 */
3055 if (strcmp(fields, "name") == 0 && zfs_sort_only_by_name(sortcol))
3056 flags |= ZFS_ITER_SIMPLE;
3057
b128c09f
BB		 3058 /*
3059 * If "-o space" and no types were specified, don't display snapshots.
3060 */
3061 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
3062 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f
BB		 3063
3064 /*
3065 * If the user specifies '-o all', the zprop_get_list() doesn't
3066 * normally include the name of the dataset. For 'zfs list', we always
3067 * want this property to be first.
3068 */
3069 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
3070 != 0)
3071 usage(B_FALSE);
3072
3073 cb.cb_scripted = scripted;
3074 cb.cb_first = B_TRUE;
3075
b128c09f 3076 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 3077 limit, list_callback, &cb);
34dc7c2f
BB		 3078
3079 zprop_free_list(cb.cb_proplist);
3080 zfs_free_sort_columns(sortcol);
3081
3082 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
42cb3819 3083 (void) fprintf(stderr, gettext("no datasets available\n"));
34dc7c2f
BB		 3084
3085 return (ret);
3086}
3087
3088/*
db49968e
ES		 3089 * zfs rename [-f] <fs | snap | vol> <fs | snap | vol>
3090 * zfs rename [-f] -p <fs | vol> <fs | vol>
34dc7c2f
BB		 3091 * zfs rename -r <snap> <snap>
3092 *
3093 * Renames the given dataset to another of the same type.
3094 *
3095 * The '-p' flag creates all the non-existing ancestors of the target first.
3096 */
3097/* ARGSUSED */
3098static int
3099zfs_do_rename(int argc, char **argv)
3100{
3101 zfs_handle_t *zhp;
3102 int c;
ad60af8e 3103 int ret = 0;
34dc7c2f
BB		 3104 boolean_t recurse = B_FALSE;
3105 boolean_t parents = B_FALSE;
db49968e 3106 boolean_t force_unmount = B_FALSE;
34dc7c2f
BB		 3107
3108 /* check options */
db49968e 3109 while ((c = getopt(argc, argv, "prf")) != -1) {
34dc7c2f
BB		 3110 switch (c) {
3111 case 'p':
3112 parents = B_TRUE;
3113 break;
3114 case 'r':
3115 recurse = B_TRUE;
3116 break;
db49968e
ES		 3117 case 'f':
3118 force_unmount = B_TRUE;
3119 break;
34dc7c2f
BB		 3120 case '?':
3121 default:
3122 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3123 optopt);
3124 usage(B_FALSE);
3125 }
3126 }
3127
3128 argc -= optind;
3129 argv += optind;
3130
3131 /* check number of arguments */
3132 if (argc < 1) {
3133 (void) fprintf(stderr, gettext("missing source dataset "
3134 "argument\n"));
3135 usage(B_FALSE);
3136 }
3137 if (argc < 2) {
3138 (void) fprintf(stderr, gettext("missing target dataset "
3139 "argument\n"));
3140 usage(B_FALSE);
3141 }
3142 if (argc > 2) {
3143 (void) fprintf(stderr, gettext("too many arguments\n"));
3144 usage(B_FALSE);
3145 }
3146
3147 if (recurse && parents) {
3148 (void) fprintf(stderr, gettext("-p and -r options are mutually "
3149 "exclusive\n"));
3150 usage(B_FALSE);
3151 }
3152
3153 if (recurse && strchr(argv[0], '@') == 0) {
3154 (void) fprintf(stderr, gettext("source dataset for recursive "
3155 "rename must be a snapshot\n"));
3156 usage(B_FALSE);
3157 }
3158
3159 if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM |
3160 ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL)
3161 return (1);
3162
3163 /* If we were asked and the name looks good, try to create ancestors. */
3164 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
3165 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
3166 zfs_close(zhp);
3167 return (1);
3168 }
3169
db49968e 3170 ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0);
34dc7c2f
BB		 3171
3172 zfs_close(zhp);
3173 return (ret);
3174}
3175
3176/*
3177 * zfs promote <fs>
3178 *
3179 * Promotes the given clone fs to be the parent
3180 */
3181/* ARGSUSED */
3182static int
3183zfs_do_promote(int argc, char **argv)
3184{
3185 zfs_handle_t *zhp;
ad60af8e 3186 int ret = 0;
34dc7c2f
BB		 3187
3188 /* check options */
3189 if (argc > 1 && argv[1][0] == '-') {
3190 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3191 argv[1][1]);
3192 usage(B_FALSE);
3193 }
3194
3195 /* check number of arguments */
3196 if (argc < 2) {
3197 (void) fprintf(stderr, gettext("missing clone filesystem"
3198 " argument\n"));
3199 usage(B_FALSE);
3200 }
3201 if (argc > 2) {
3202 (void) fprintf(stderr, gettext("too many arguments\n"));
3203 usage(B_FALSE);
3204 }
3205
3206 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3207 if (zhp == NULL)
3208 return (1);
3209
3210 ret = (zfs_promote(zhp) != 0);
3211
3212
3213 zfs_close(zhp);
3214 return (ret);
3215}
3216
3217/*
3218 * zfs rollback [-rRf] <snapshot>
3219 *
428870ff
BB		 3220 * -r Delete any intervening snapshots before doing rollback
3221 * -R Delete any snapshots and their clones
3222 * -f ignored for backwards compatability
34dc7c2f
BB		 3223 *
3224 * Given a filesystem, rollback to a specific snapshot, discarding any changes
3225 * since then and making it the active dataset. If more recent snapshots exist,
3226 * the command will complain unless the '-r' flag is given.
3227 */
3228typedef struct rollback_cbdata {
3229 uint64_t cb_create;
3230 boolean_t cb_first;
3231 int cb_doclones;
3232 char *cb_target;
3233 int cb_error;
3234 boolean_t cb_recurse;
3235 boolean_t cb_dependent;
3236} rollback_cbdata_t;
3237
3238/*
3239 * Report any snapshots more recent than the one specified. Used when '-r' is
3240 * not specified. We reuse this same callback for the snapshot dependents - if
3241 * 'cb_dependent' is set, then this is a dependent and we should report it
3242 * without checking the transaction group.
3243 */
3244static int
3245rollback_check(zfs_handle_t *zhp, void *data)
3246{
3247 rollback_cbdata_t *cbp = data;
3248
3249 if (cbp->cb_doclones) {
3250 zfs_close(zhp);
3251 return (0);
3252 }
3253
3254 if (!cbp->cb_dependent) {
3255 if (strcmp(zfs_get_name(zhp), cbp->cb_target) != 0 &&
3256 zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT &&
3257 zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) >
3258 cbp->cb_create) {
3259
3260 if (cbp->cb_first && !cbp->cb_recurse) {
3261 (void) fprintf(stderr, gettext("cannot "
3262 "rollback to '%s': more recent snapshots "
3263 "exist\n"),
3264 cbp->cb_target);
3265 (void) fprintf(stderr, gettext("use '-r' to "
3266 "force deletion of the following "
3267 "snapshots:\n"));
3268 cbp->cb_first = 0;
3269 cbp->cb_error = 1;
3270 }
3271
3272 if (cbp->cb_recurse) {
3273 cbp->cb_dependent = B_TRUE;
3274 if (zfs_iter_dependents(zhp, B_TRUE,
3275 rollback_check, cbp) != 0) {
3276 zfs_close(zhp);
3277 return (-1);
3278 }
3279 cbp->cb_dependent = B_FALSE;
3280 } else {
3281 (void) fprintf(stderr, "%s\n",
3282 zfs_get_name(zhp));
3283 }
3284 }
3285 } else {
3286 if (cbp->cb_first && cbp->cb_recurse) {
3287 (void) fprintf(stderr, gettext("cannot rollback to "
3288 "'%s': clones of previous snapshots exist\n"),
3289 cbp->cb_target);
3290 (void) fprintf(stderr, gettext("use '-R' to "
3291 "force deletion of the following clones and "
3292 "dependents:\n"));
3293 cbp->cb_first = 0;
3294 cbp->cb_error = 1;
3295 }
3296
3297 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
3298 }
3299
3300 zfs_close(zhp);
3301 return (0);
3302}
3303
3304static int
3305zfs_do_rollback(int argc, char **argv)
3306{
ad60af8e 3307 int ret = 0;
34dc7c2f
BB		 3308 int c;
3309 boolean_t force = B_FALSE;
3310 rollback_cbdata_t cb = { 0 };
3311 zfs_handle_t *zhp, *snap;
3312 char parentname[ZFS_MAXNAMELEN];
3313 char *delim;
3314
3315 /* check options */
3316 while ((c = getopt(argc, argv, "rRf")) != -1) {
3317 switch (c) {
3318 case 'r':
3319 cb.cb_recurse = 1;
3320 break;
3321 case 'R':
3322 cb.cb_recurse = 1;
3323 cb.cb_doclones = 1;
3324 break;
3325 case 'f':
3326 force = B_TRUE;
3327 break;
3328 case '?':
3329 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3330 optopt);
3331 usage(B_FALSE);
3332 }
3333 }
3334
3335 argc -= optind;
3336 argv += optind;
3337
3338 /* check number of arguments */
3339 if (argc < 1) {
3340 (void) fprintf(stderr, gettext("missing dataset argument\n"));
3341 usage(B_FALSE);
3342 }
3343 if (argc > 1) {
3344 (void) fprintf(stderr, gettext("too many arguments\n"));
3345 usage(B_FALSE);
3346 }
3347
3348 /* open the snapshot */
3349 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
3350 return (1);
3351
3352 /* open the parent dataset */
3353 (void) strlcpy(parentname, argv[0], sizeof (parentname));
3354 verify((delim = strrchr(parentname, '@')) != NULL);
3355 *delim = '\0';
3356 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
3357 zfs_close(snap);
3358 return (1);
3359 }
3360
3361 /*
3362 * Check for more recent snapshots and/or clones based on the presence
3363 * of '-r' and '-R'.
3364 */
3365 cb.cb_target = argv[0];
3366 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
3367 cb.cb_first = B_TRUE;
3368 cb.cb_error = 0;
3369 if ((ret = zfs_iter_children(zhp, rollback_check, &cb)) != 0)
3370 goto out;
3371
3372 if ((ret = cb.cb_error) != 0)
3373 goto out;
3374
3375 /*
3376 * Rollback parent to the given snapshot.
3377 */
3378 ret = zfs_rollback(zhp, snap, force);
3379
3380out:
3381 zfs_close(snap);
3382 zfs_close(zhp);
3383
3384 if (ret == 0)
3385 return (0);
3386 else
3387 return (1);
3388}
3389
3390/*
3391 * zfs set property=value { fs | snap | vol } ...
3392 *
3393 * Sets the given property for all datasets specified on the command line.
3394 */
3395typedef struct set_cbdata {
3396 char *cb_propname;
3397 char *cb_value;
3398} set_cbdata_t;
3399
3400static int
3401set_callback(zfs_handle_t *zhp, void *data)
3402{
3403 set_cbdata_t *cbp = data;
3404
3405 if (zfs_prop_set(zhp, cbp->cb_propname, cbp->cb_value) != 0) {
3406 switch (libzfs_errno(g_zfs)) {
3407 case EZFS_MOUNTFAILED:
3408 (void) fprintf(stderr, gettext("property may be set "
3409 "but unable to remount filesystem\n"));
3410 break;
3411 case EZFS_SHARENFSFAILED:
3412 (void) fprintf(stderr, gettext("property may be set "
3413 "but unable to reshare filesystem\n"));
3414 break;
3415 }
3416 return (1);
3417 }
3418 return (0);
3419}
3420
3421static int
3422zfs_do_set(int argc, char **argv)
3423{
3424 set_cbdata_t cb;
ad60af8e 3425 int ret = 0;
34dc7c2f
BB		 3426
3427 /* check for options */
3428 if (argc > 1 && argv[1][0] == '-') {
3429 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3430 argv[1][1]);
3431 usage(B_FALSE);
3432 }
3433
3434 /* check number of arguments */
3435 if (argc < 2) {
3436 (void) fprintf(stderr, gettext("missing property=value "
3437 "argument\n"));
3438 usage(B_FALSE);
3439 }
3440 if (argc < 3) {
3441 (void) fprintf(stderr, gettext("missing dataset name\n"));
3442 usage(B_FALSE);
3443 }
3444
3445 /* validate property=value argument */
3446 cb.cb_propname = argv[1];
b128c09f
BB		 3447 if (((cb.cb_value = strchr(cb.cb_propname, '=')) == NULL) ||
3448 (cb.cb_value[1] == '\0')) {
34dc7c2f
BB		 3449 (void) fprintf(stderr, gettext("missing value in "
3450 "property=value argument\n"));
3451 usage(B_FALSE);
3452 }
3453
3454 *cb.cb_value = '\0';
3455 cb.cb_value++;
3456
3457 if (*cb.cb_propname == '\0') {
3458 (void) fprintf(stderr,
3459 gettext("missing property in property=value argument\n"));
3460 usage(B_FALSE);
3461 }
3462
b8864a23 3463 ret = zfs_for_each(argc - 2, argv + 2, 0,
9babb374 3464 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
34dc7c2f
BB		 3465
3466 return (ret);
3467}
3468
6f1ffb06
MA		 3469typedef struct snap_cbdata {
3470 nvlist_t *sd_nvl;
3471 boolean_t sd_recursive;
3472 const char *sd_snapname;
3473} snap_cbdata_t;
3474
3475static int
3476zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
3477{
3478 snap_cbdata_t *sd = arg;
3479 char *name;
3480 int rv = 0;
3481 int error;
3482
3483 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
3484 if (error == -1)
3485 nomem();
3486 fnvlist_add_boolean(sd->sd_nvl, name);
3487 free(name);
3488
3489 if (sd->sd_recursive)
3490 rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd);
3491 zfs_close(zhp);
3492 return (rv);
3493}
3494
34dc7c2f 3495/*
b128c09f 3496 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 3497 *
3498 * Creates a snapshot with the given name. While functionally equivalent to
3499 * 'zfs create', it is a separate command to differentiate intent.
3500 */
3501static int
3502zfs_do_snapshot(int argc, char **argv)
3503{
ad60af8e 3504 int ret = 0;
b8864a23 3505 signed char c;
b128c09f 3506 nvlist_t *props;
6f1ffb06
MA		 3507 snap_cbdata_t sd = { 0 };
3508 boolean_t multiple_snaps = B_FALSE;
b128c09f 3509
428870ff
BB		 3510 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
3511 nomem();
6f1ffb06
MA		 3512 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
3513 nomem();
34dc7c2f
BB		 3514
3515 /* check options */
b128c09f 3516 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 3517 switch (c) {
b128c09f
BB		 3518 case 'o':
3519 if (parseprop(props))
3520 return (1);
3521 break;
34dc7c2f 3522 case 'r':
6f1ffb06
MA		 3523 sd.sd_recursive = B_TRUE;
3524 multiple_snaps = B_TRUE;
34dc7c2f
BB		 3525 break;
3526 case '?':
3527 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3528 optopt);
b128c09f 3529 goto usage;
34dc7c2f
BB		 3530 }
3531 }
3532
3533 argc -= optind;
3534 argv += optind;
3535
3536 /* check number of arguments */
3537 if (argc < 1) {
3538 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 3539 goto usage;
34dc7c2f 3540 }
6f1ffb06
MA		 3541
3542 if (argc > 1)
3543 multiple_snaps = B_TRUE;
3544 for (; argc > 0; argc--, argv++) {
3545 char *atp;
3546 zfs_handle_t *zhp;
3547
3548 atp = strchr(argv[0], '@');
3549 if (atp == NULL)
3550 goto usage;
3551 *atp = '\0';
3552 sd.sd_snapname = atp + 1;
3553 zhp = zfs_open(g_zfs, argv[0],
3554 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3555 if (zhp == NULL)
3556 goto usage;
3557 if (zfs_snapshot_cb(zhp, &sd) != 0)
3558 goto usage;
34dc7c2f
BB		 3559 }
3560
6f1ffb06
MA		 3561 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
3562 nvlist_free(sd.sd_nvl);
b128c09f 3563 nvlist_free(props);
6f1ffb06 3564 if (ret != 0 && multiple_snaps)
34dc7c2f
BB		 3565 (void) fprintf(stderr, gettext("no snapshots were created\n"));
3566 return (ret != 0);
b128c09f
BB		 3567
3568usage:
6f1ffb06 3569 nvlist_free(sd.sd_nvl);
b128c09f
BB		 3570 nvlist_free(props);
3571 usage(B_FALSE);
3572 return (-1);
34dc7c2f
BB		 3573}
3574
3575/*
34dc7c2f
BB		 3576 * Send a backup stream to stdout.
3577 */
3578static int
3579zfs_do_send(int argc, char **argv)
3580{
3581 char *fromname = NULL;
3582 char *toname = NULL;
3583 char *cp;
3584 zfs_handle_t *zhp;
428870ff 3585 sendflags_t flags = { 0 };
34dc7c2f 3586 int c, err;
330d06f9 3587 nvlist_t *dbgnv = NULL;
428870ff 3588 boolean_t extraverbose = B_FALSE;
34dc7c2f
BB		 3589
3590 /* check options */
330d06f9 3591 while ((c = getopt(argc, argv, ":i:I:RDpvnP")) != -1) {
34dc7c2f
BB		 3592 switch (c) {
3593 case 'i':
3594 if (fromname)
3595 usage(B_FALSE);
3596 fromname = optarg;
3597 break;
3598 case 'I':
3599 if (fromname)
3600 usage(B_FALSE);
3601 fromname = optarg;
428870ff 3602 flags.doall = B_TRUE;
34dc7c2f
BB		 3603 break;
3604 case 'R':
428870ff
BB		 3605 flags.replicate = B_TRUE;
3606 break;
3607 case 'p':
3608 flags.props = B_TRUE;
34dc7c2f 3609 break;
330d06f9
MA		 3610 case 'P':
3611 flags.parsable = B_TRUE;
3612 flags.verbose = B_TRUE;
3613 break;
34dc7c2f 3614 case 'v':
428870ff
BB		 3615 if (flags.verbose)
3616 extraverbose = B_TRUE;
3617 flags.verbose = B_TRUE;
37abac6d 3618 flags.progress = B_TRUE;
428870ff
BB		 3619 break;
3620 case 'D':
3621 flags.dedup = B_TRUE;
34dc7c2f 3622 break;
330d06f9
MA		 3623 case 'n':
3624 flags.dryrun = B_TRUE;
3625 break;
34dc7c2f
BB		 3626 case ':':
3627 (void) fprintf(stderr, gettext("missing argument for "
3628 "'%c' option\n"), optopt);
3629 usage(B_FALSE);
3630 break;
3631 case '?':
3632 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3633 optopt);
3634 usage(B_FALSE);
3635 }
3636 }
3637
3638 argc -= optind;
3639 argv += optind;
3640
3641 /* check number of arguments */
3642 if (argc < 1) {
3643 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
3644 usage(B_FALSE);
3645 }
3646 if (argc > 1) {
3647 (void) fprintf(stderr, gettext("too many arguments\n"));
3648 usage(B_FALSE);
3649 }
3650
330d06f9 3651 if (!flags.dryrun && isatty(STDOUT_FILENO)) {
34dc7c2f
BB		 3652 (void) fprintf(stderr,
3653 gettext("Error: Stream can not be written to a terminal.\n"
3654 "You must redirect standard output.\n"));
3655 return (1);
3656 }
3657
3658 cp = strchr(argv[0], '@');
3659 if (cp == NULL) {
3660 (void) fprintf(stderr,
3661 gettext("argument must be a snapshot\n"));
3662 usage(B_FALSE);
3663 }
0b7936d5
AS		 3664 *cp = '\0';
3665 toname = cp + 1;
3666 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3667 if (zhp == NULL)
3668 return (1);
3669
3670 /*
3671 * If they specified the full path to the snapshot, chop off
3672 * everything except the short name of the snapshot, but special
3673 * case if they specify the origin.
3674 */
3675 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
3676 char origin[ZFS_MAXNAMELEN];
3677 zprop_source_t src;
3678
3679 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
3680 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
3681
3682 if (strcmp(origin, fromname) == 0) {
3683 fromname = NULL;
3684 flags.fromorigin = B_TRUE;
3685 } else {
3686 *cp = '\0';
3687 if (cp != fromname && strcmp(argv[0], fromname)) {
3688 (void) fprintf(stderr,
3689 gettext("incremental source must be "
3690 "in same filesystem\n"));
3691 usage(B_FALSE);
3692 }
3693 fromname = cp + 1;
3694 if (strchr(fromname, '@') || strchr(fromname, '/')) {
3695 (void) fprintf(stderr,
3696 gettext("invalid incremental source\n"));
3697 usage(B_FALSE);
3698 }
3699 }
3700 }
3701
3702 if (flags.replicate && fromname == NULL)
3703 flags.doall = B_TRUE;
3704
330d06f9 3705 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0,
0b7936d5
AS		 3706 extraverbose ? &dbgnv : NULL);
3707
330d06f9 3708 if (extraverbose && dbgnv != NULL) {
0b7936d5
AS		 3709 /*
3710 * dump_nvlist prints to stdout, but that's been
3711 * redirected to a file. Make it print to stderr
3712 * instead.
3713 */
3714 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
3715 dump_nvlist(dbgnv, 0);
3716 nvlist_free(dbgnv);
3717 }
3718 zfs_close(zhp);
3719
3720 return (err != 0);
3721}
3722
3723/*
3724 * zfs receive [-vnFu] [-d | -e] <fs@snap>
3725 *
3726 * Restore a backup stream from stdin.
3727 */
3728static int
3729zfs_do_receive(int argc, char **argv)
3730{
3731 int c, err;
3732 recvflags_t flags = { 0 };
3733
3734 /* check options */
3735 while ((c = getopt(argc, argv, ":denuvF")) != -1) {
3736 switch (c) {
3737 case 'd':
3738 flags.isprefix = B_TRUE;
3739 break;
3740 case 'e':
3741 flags.isprefix = B_TRUE;
3742 flags.istail = B_TRUE;
3743 break;
3744 case 'n':
3745 flags.dryrun = B_TRUE;
3746 break;
3747 case 'u':
3748 flags.nomount = B_TRUE;
3749 break;
3750 case 'v':
3751 flags.verbose = B_TRUE;
3752 break;
3753 case 'F':
3754 flags.force = B_TRUE;
3755 break;
3756 case ':':
3757 (void) fprintf(stderr, gettext("missing argument for "
3758 "'%c' option\n"), optopt);
3759 usage(B_FALSE);
3760 break;
3761 case '?':
3762 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3763 optopt);
3764 usage(B_FALSE);
3765 }
3766 }
3767
3768 argc -= optind;
3769 argv += optind;
3770
3771 /* check number of arguments */
3772 if (argc < 1) {
3773 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
3774 usage(B_FALSE);
3775 }
3776 if (argc > 1) {
3777 (void) fprintf(stderr, gettext("too many arguments\n"));
3778 usage(B_FALSE);
3779 }
3780
3781 if (isatty(STDIN_FILENO)) {
3782 (void) fprintf(stderr,
3783 gettext("Error: Backup stream can not be read "
3784 "from a terminal.\n"
3785 "You must redirect standard input.\n"));
3786 return (1);
3787 }
3788
330d06f9 3789 err = zfs_receive(g_zfs, argv[0], &flags, STDIN_FILENO, NULL);
0b7936d5
AS		 3790
3791 return (err != 0);
3792}
3793
3794/*
3795 * allow/unallow stuff
3796 */
3797/* copied from zfs/sys/dsl_deleg.h */
3798#define ZFS_DELEG_PERM_CREATE "create"
3799#define ZFS_DELEG_PERM_DESTROY "destroy"
3800#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
3801#define ZFS_DELEG_PERM_ROLLBACK "rollback"
3802#define ZFS_DELEG_PERM_CLONE "clone"
3803#define ZFS_DELEG_PERM_PROMOTE "promote"
3804#define ZFS_DELEG_PERM_RENAME "rename"
3805#define ZFS_DELEG_PERM_MOUNT "mount"
3806#define ZFS_DELEG_PERM_SHARE "share"
3807#define ZFS_DELEG_PERM_SEND "send"
3808#define ZFS_DELEG_PERM_RECEIVE "receive"
3809#define ZFS_DELEG_PERM_ALLOW "allow"
3810#define ZFS_DELEG_PERM_USERPROP "userprop"
3811#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
3812#define ZFS_DELEG_PERM_USERQUOTA "userquota"
3813#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
3814#define ZFS_DELEG_PERM_USERUSED "userused"
3815#define ZFS_DELEG_PERM_GROUPUSED "groupused"
3816#define ZFS_DELEG_PERM_HOLD "hold"
3817#define ZFS_DELEG_PERM_RELEASE "release"
3818#define ZFS_DELEG_PERM_DIFF "diff"
3819
3820#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
3821
3822static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
3823 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
3824 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
3825 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
3826 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
3827 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
3828 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
3829 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
3830 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
3831 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
3832 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
3833 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
3834 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
3835 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
3836 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
3837 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
3838
3839 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
3840 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
3841 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
3842 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
3843 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
3844 { NULL, ZFS_DELEG_NOTE_NONE }
3845};
3846
3847/* permission structure */
3848typedef struct deleg_perm {
3849 zfs_deleg_who_type_t dp_who_type;
3850 const char *dp_name;
3851 boolean_t dp_local;
3852 boolean_t dp_descend;
3853} deleg_perm_t;
3854
3855/* */
3856typedef struct deleg_perm_node {
3857 deleg_perm_t dpn_perm;
3858
3859 uu_avl_node_t dpn_avl_node;
3860} deleg_perm_node_t;
3861
3862typedef struct fs_perm fs_perm_t;
3863
3864/* permissions set */
3865typedef struct who_perm {
3866 zfs_deleg_who_type_t who_type;
3867 const char *who_name; /* id */
3868 char who_ug_name[256]; /* user/group name */
3869 fs_perm_t *who_fsperm; /* uplink */
3870
3871 uu_avl_t *who_deleg_perm_avl; /* permissions */
3872} who_perm_t;
3873
3874/* */
3875typedef struct who_perm_node {
3876 who_perm_t who_perm;
3877 uu_avl_node_t who_avl_node;
3878} who_perm_node_t;
3879
3880typedef struct fs_perm_set fs_perm_set_t;
3881/* fs permissions */
3882struct fs_perm {
3883 const char *fsp_name;
3884
3885 uu_avl_t *fsp_sc_avl; /* sets,create */
3886 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
3887
3888 fs_perm_set_t *fsp_set; /* uplink */
3889};
3890
3891/* */
3892typedef struct fs_perm_node {
3893 fs_perm_t fspn_fsperm;
3894 uu_avl_t *fspn_avl;
3895
3896 uu_list_node_t fspn_list_node;
3897} fs_perm_node_t;
3898
3899/* top level structure */
3900struct fs_perm_set {
3901 uu_list_pool_t *fsps_list_pool;
3902 uu_list_t *fsps_list; /* list of fs_perms */
3903
3904 uu_avl_pool_t *fsps_named_set_avl_pool;
3905 uu_avl_pool_t *fsps_who_perm_avl_pool;
3906 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
3907};
3908
3909static inline const char *
3910deleg_perm_type(zfs_deleg_note_t note)
3911{
3912 /* subcommands */
3913 switch (note) {
3914 /* SUBCOMMANDS */
3915 /* OTHER */
3916 case ZFS_DELEG_NOTE_GROUPQUOTA:
3917 case ZFS_DELEG_NOTE_GROUPUSED:
3918 case ZFS_DELEG_NOTE_USERPROP:
3919 case ZFS_DELEG_NOTE_USERQUOTA:
3920 case ZFS_DELEG_NOTE_USERUSED:
3921 /* other */
3922 return (gettext("other"));
3923 default:
3924 return (gettext("subcommand"));
3925 }
3926}
3927
3928static int inline
3929who_type2weight(zfs_deleg_who_type_t who_type)
3930{
3931 int res;
3932 switch (who_type) {
3933 case ZFS_DELEG_NAMED_SET_SETS:
3934 case ZFS_DELEG_NAMED_SET:
3935 res = 0;
3936 break;
3937 case ZFS_DELEG_CREATE_SETS:
3938 case ZFS_DELEG_CREATE:
3939 res = 1;
3940 break;
3941 case ZFS_DELEG_USER_SETS:
3942 case ZFS_DELEG_USER:
3943 res = 2;
3944 break;
3945 case ZFS_DELEG_GROUP_SETS:
3946 case ZFS_DELEG_GROUP:
3947 res = 3;
3948 break;
3949 case ZFS_DELEG_EVERYONE_SETS:
3950 case ZFS_DELEG_EVERYONE:
3951 res = 4;
3952 break;
3953 default:
3954 res = -1;
3955 }
3956
3957 return (res);
3958}
3959
3960/* ARGSUSED */
3961static int
3962who_perm_compare(const void *larg, const void *rarg, void *unused)
3963{
3964 const who_perm_node_t *l = larg;
3965 const who_perm_node_t *r = rarg;
3966 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
3967 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
3968 int lweight = who_type2weight(ltype);
3969 int rweight = who_type2weight(rtype);
3970 int res = lweight - rweight;
3971 if (res == 0)
3972 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
3973 ZFS_MAX_DELEG_NAME-1);
3974
3975 if (res == 0)
3976 return (0);
3977 if (res > 0)
3978 return (1);
3979 else
3980 return (-1);
3981}
3982
3983/* ARGSUSED */
3984static int
3985deleg_perm_compare(const void *larg, const void *rarg, void *unused)
3986{
3987 const deleg_perm_node_t *l = larg;
3988 const deleg_perm_node_t *r = rarg;
3989 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
3990 ZFS_MAX_DELEG_NAME-1);
3991
3992 if (res == 0)
3993 return (0);
3994
3995 if (res > 0)
3996 return (1);
3997 else
3998 return (-1);
3999}
4000
4001static inline void
4002fs_perm_set_init(fs_perm_set_t *fspset)
4003{
4004 bzero(fspset, sizeof (fs_perm_set_t));
4005
4006 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
4007 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
4008 NULL, UU_DEFAULT)) == NULL)
4009 nomem();
4010 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
4011 UU_DEFAULT)) == NULL)
4012 nomem();
4013
4014 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
4015 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
4016 who_perm_node_t, who_avl_node), who_perm_compare,
4017 UU_DEFAULT)) == NULL)
4018 nomem();
4019
4020 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
4021 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
4022 who_perm_node_t, who_avl_node), who_perm_compare,
4023 UU_DEFAULT)) == NULL)
4024 nomem();
4025
4026 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
4027 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
4028 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
4029 == NULL)
4030 nomem();
4031}
4032
4033static inline void fs_perm_fini(fs_perm_t *);
4034static inline void who_perm_fini(who_perm_t *);
4035
4036static inline void
4037fs_perm_set_fini(fs_perm_set_t *fspset)
4038{
4039 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
4040
4041 while (node != NULL) {
4042 fs_perm_node_t *next_node =
4043 uu_list_next(fspset->fsps_list, node);
4044 fs_perm_t *fsperm = &node->fspn_fsperm;
4045 fs_perm_fini(fsperm);
4046 uu_list_remove(fspset->fsps_list, node);
4047 free(node);
4048 node = next_node;
4049 }
4050
4051 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
4052 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
4053 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
4054}
4055
4056static inline void
4057deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
4058 const char *name)
4059{
4060 deleg_perm->dp_who_type = type;
4061 deleg_perm->dp_name = name;
4062}
4063
4064static inline void
4065who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
4066 zfs_deleg_who_type_t type, const char *name)
4067{
4068 uu_avl_pool_t *pool;
4069 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
4070
4071 bzero(who_perm, sizeof (who_perm_t));
4072
4073 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
4074 UU_DEFAULT)) == NULL)
4075 nomem();
4076
4077 who_perm->who_type = type;
4078 who_perm->who_name = name;
4079 who_perm->who_fsperm = fsperm;
4080}
4081
4082static inline void
4083who_perm_fini(who_perm_t *who_perm)
4084{
4085 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
4086
4087 while (node != NULL) {
4088 deleg_perm_node_t *next_node =
4089 uu_avl_next(who_perm->who_deleg_perm_avl, node);
4090
4091 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
4092 free(node);
4093 node = next_node;
4094 }
4095
4096 uu_avl_destroy(who_perm->who_deleg_perm_avl);
4097}
4098
4099static inline void
4100fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
4101{
4102 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
4103 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
4104
4105 bzero(fsperm, sizeof (fs_perm_t));
4106
4107 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
4108 == NULL)
4109 nomem();
4110
4111 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
4112 == NULL)
4113 nomem();
4114
4115 fsperm->fsp_set = fspset;
4116 fsperm->fsp_name = fsname;
4117}
4118
4119static inline void
4120fs_perm_fini(fs_perm_t *fsperm)
4121{
4122 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
4123 while (node != NULL) {
4124 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
4125 node);
4126 who_perm_t *who_perm = &node->who_perm;
4127 who_perm_fini(who_perm);
4128 uu_avl_remove(fsperm->fsp_sc_avl, node);
4129 free(node);
4130 node = next_node;
4131 }
4132
4133 node = uu_avl_first(fsperm->fsp_uge_avl);
4134 while (node != NULL) {
4135 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
4136 node);
4137 who_perm_t *who_perm = &node->who_perm;
4138 who_perm_fini(who_perm);
4139 uu_avl_remove(fsperm->fsp_uge_avl, node);
4140 free(node);
4141 node = next_node;
4142 }
4143
4144 uu_avl_destroy(fsperm->fsp_sc_avl);
4145 uu_avl_destroy(fsperm->fsp_uge_avl);
4146}
4147
4148static void inline
4149set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
4150 zfs_deleg_who_type_t who_type, const char *name, char locality)
4151{
4152 uu_avl_index_t idx = 0;
4153
4154 deleg_perm_node_t *found_node = NULL;
4155 deleg_perm_t *deleg_perm = &node->dpn_perm;
4156
4157 deleg_perm_init(deleg_perm, who_type, name);
4158
4159 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
4160 == NULL)
4161 uu_avl_insert(avl, node, idx);
4162 else {
4163 node = found_node;
4164 deleg_perm = &node->dpn_perm;
4165 }
4166
4167
4168 switch (locality) {
4169 case ZFS_DELEG_LOCAL:
4170 deleg_perm->dp_local = B_TRUE;
4171 break;
4172 case ZFS_DELEG_DESCENDENT:
4173 deleg_perm->dp_descend = B_TRUE;
4174 break;
4175 case ZFS_DELEG_NA:
4176 break;
4177 default:
4178 assert(B_FALSE); /* invalid locality */
4179 }
4180}
4181
4182static inline int
4183parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
4184{
4185 nvpair_t *nvp = NULL;
4186 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
4187 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
4188 zfs_deleg_who_type_t who_type = who_perm->who_type;
4189
4190 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4191 const char *name = nvpair_name(nvp);
4192 data_type_t type = nvpair_type(nvp);
4193 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
4194 deleg_perm_node_t *node =
4195 safe_malloc(sizeof (deleg_perm_node_t));
4196
4197 VERIFY(type == DATA_TYPE_BOOLEAN);
4198
4199 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
4200 set_deleg_perm_node(avl, node, who_type, name, locality);
4201 }
4202
4203 return (0);
4204}
4205
4206static inline int
4207parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
4208{
4209 nvpair_t *nvp = NULL;
4210 fs_perm_set_t *fspset = fsperm->fsp_set;
4211
4212 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4213 nvlist_t *nvl2 = NULL;
4214 const char *name = nvpair_name(nvp);
4215 uu_avl_t *avl = NULL;
4216 uu_avl_pool_t *avl_pool = NULL;
4217 zfs_deleg_who_type_t perm_type = name[0];
4218 char perm_locality = name[1];
4219 const char *perm_name = name + 3;
4220 boolean_t is_set = B_TRUE;
4221 who_perm_t *who_perm = NULL;
4222
4223 assert('$' == name[2]);
4224
4225 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
4226 return (-1);
4227
4228 switch (perm_type) {
4229 case ZFS_DELEG_CREATE:
4230 case ZFS_DELEG_CREATE_SETS:
4231 case ZFS_DELEG_NAMED_SET:
4232 case ZFS_DELEG_NAMED_SET_SETS:
4233 avl_pool = fspset->fsps_named_set_avl_pool;
4234 avl = fsperm->fsp_sc_avl;
4235 break;
4236 case ZFS_DELEG_USER:
4237 case ZFS_DELEG_USER_SETS:
4238 case ZFS_DELEG_GROUP:
4239 case ZFS_DELEG_GROUP_SETS:
4240 case ZFS_DELEG_EVERYONE:
4241 case ZFS_DELEG_EVERYONE_SETS:
4242 avl_pool = fspset->fsps_who_perm_avl_pool;
4243 avl = fsperm->fsp_uge_avl;
4244 break;
4245 default:
4246 break;
4247 }
4248
4249 if (is_set) {
4250 who_perm_node_t *found_node = NULL;
4251 who_perm_node_t *node = safe_malloc(
4252 sizeof (who_perm_node_t));
4253 who_perm = &node->who_perm;
4254 uu_avl_index_t idx = 0;
4255
4256 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
4257 who_perm_init(who_perm, fsperm, perm_type, perm_name);
4258
4259 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
4260 == NULL) {
4261 if (avl == fsperm->fsp_uge_avl) {
4262 uid_t rid = 0;
4263 struct passwd *p = NULL;
4264 struct group *g = NULL;
4265 const char *nice_name = NULL;
4266
4267 switch (perm_type) {
4268 case ZFS_DELEG_USER_SETS:
4269 case ZFS_DELEG_USER:
4270 rid = atoi(perm_name);
4271 p = getpwuid(rid);
4272 if (p)
4273 nice_name = p->pw_name;
4274 break;
4275 case ZFS_DELEG_GROUP_SETS:
4276 case ZFS_DELEG_GROUP:
4277 rid = atoi(perm_name);
4278 g = getgrgid(rid);
4279 if (g)
4280 nice_name = g->gr_name;
4281 break;
4282 default:
4283 break;
4284 }
4285
4286 if (nice_name != NULL)
4287 (void) strlcpy(
4288 node->who_perm.who_ug_name,
4289 nice_name, 256);
4290 }
4291
4292 uu_avl_insert(avl, node, idx);
4293 } else {
4294 node = found_node;
4295 who_perm = &node->who_perm;
4296 }
4297 }
4298
4299 (void) parse_who_perm(who_perm, nvl2, perm_locality);
4300 }
4301
4302 return (0);
4303}
4304
4305static inline int
4306parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
4307{
4308 nvpair_t *nvp = NULL;
4309 uu_avl_index_t idx = 0;
4310
4311 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4312 nvlist_t *nvl2 = NULL;
4313 const char *fsname = nvpair_name(nvp);
4314 data_type_t type = nvpair_type(nvp);
4315 fs_perm_t *fsperm = NULL;
4316 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
4317 if (node == NULL)
4318 nomem();
4319
4320 fsperm = &node->fspn_fsperm;
4321
4322 VERIFY(DATA_TYPE_NVLIST == type);
4323
4324 uu_list_node_init(node, &node->fspn_list_node,
4325 fspset->fsps_list_pool);
4326
4327 idx = uu_list_numnodes(fspset->fsps_list);
4328 fs_perm_init(fsperm, fspset, fsname);
4329
4330 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
4331 return (-1);
4332
4333 (void) parse_fs_perm(fsperm, nvl2);
4334
4335 uu_list_insert(fspset->fsps_list, node, idx);
4336 }
4337
4338 return (0);
4339}
4340
4341static inline const char *
4342deleg_perm_comment(zfs_deleg_note_t note)
4343{
4344 const char *str = "";
4345
4346 /* subcommands */
4347 switch (note) {
4348 /* SUBCOMMANDS */
4349 case ZFS_DELEG_NOTE_ALLOW:
4350 str = gettext("Must also have the permission that is being"
4351 "\n\t\t\t\tallowed");
4352 break;
4353 case ZFS_DELEG_NOTE_CLONE:
4354 str = gettext("Must also have the 'create' ability and 'mount'"
4355 "\n\t\t\t\tability in the origin file system");
4356 break;
4357 case ZFS_DELEG_NOTE_CREATE:
4358 str = gettext("Must also have the 'mount' ability");
4359 break;
4360 case ZFS_DELEG_NOTE_DESTROY:
4361 str = gettext("Must also have the 'mount' ability");
4362 break;
4363 case ZFS_DELEG_NOTE_DIFF:
4364 str = gettext("Allows lookup of paths within a dataset;"
4365 "\n\t\t\t\tgiven an object number. Ordinary users need this"
4366 "\n\t\t\t\tin order to use zfs diff");
4367 break;
4368 case ZFS_DELEG_NOTE_HOLD:
4369 str = gettext("Allows adding a user hold to a snapshot");
4370 break;
4371 case ZFS_DELEG_NOTE_MOUNT:
4372 str = gettext("Allows mount/umount of ZFS datasets");
4373 break;
4374 case ZFS_DELEG_NOTE_PROMOTE:
4375 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
4376 " 'promote' ability in the origin file system");
4377 break;
4378 case ZFS_DELEG_NOTE_RECEIVE:
4379 str = gettext("Must also have the 'mount' and 'create'"
4380 " ability");
4381 break;
4382 case ZFS_DELEG_NOTE_RELEASE:
4383 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
4384 "might destroy the snapshot");
4385 break;
4386 case ZFS_DELEG_NOTE_RENAME:
4387 str = gettext("Must also have the 'mount' and 'create'"
4388 "\n\t\t\t\tability in the new parent");
4389 break;
4390 case ZFS_DELEG_NOTE_ROLLBACK:
4391 str = gettext("");
4392 break;
4393 case ZFS_DELEG_NOTE_SEND:
4394 str = gettext("");
4395 break;
4396 case ZFS_DELEG_NOTE_SHARE:
4397 str = gettext("Allows sharing file systems over NFS or SMB"
4398 "\n\t\t\t\tprotocols");
4399 break;
4400 case ZFS_DELEG_NOTE_SNAPSHOT:
4401 str = gettext("");
4402 break;
4403/*
4404 * case ZFS_DELEG_NOTE_VSCAN:
4405 * str = gettext("");
4406 * break;
4407 */
4408 /* OTHER */
4409 case ZFS_DELEG_NOTE_GROUPQUOTA:
4410 str = gettext("Allows accessing any groupquota@... property");
4411 break;
4412 case ZFS_DELEG_NOTE_GROUPUSED:
4413 str = gettext("Allows reading any groupused@... property");
4414 break;
4415 case ZFS_DELEG_NOTE_USERPROP:
4416 str = gettext("Allows changing any user property");
4417 break;
4418 case ZFS_DELEG_NOTE_USERQUOTA:
4419 str = gettext("Allows accessing any userquota@... property");
4420 break;
4421 case ZFS_DELEG_NOTE_USERUSED:
4422 str = gettext("Allows reading any userused@... property");
4423 break;
4424 /* other */
4425 default:
4426 str = "";
4427 }
4428
4429 return (str);
4430}
4431
4432struct allow_opts {
4433 boolean_t local;
4434 boolean_t descend;
4435 boolean_t user;
4436 boolean_t group;
4437 boolean_t everyone;
4438 boolean_t create;
4439 boolean_t set;
4440 boolean_t recursive; /* unallow only */
4441 boolean_t prt_usage;
4442
4443 boolean_t prt_perms;
4444 char *who;
4445 char *perms;
4446 const char *dataset;
4447};
4448
4449static inline int
4450prop_cmp(const void *a, const void *b)
4451{
4452 const char *str1 = *(const char **)a;
4453 const char *str2 = *(const char **)b;
4454 return (strcmp(str1, str2));
4455}
4456
4457static void
4458allow_usage(boolean_t un, boolean_t requested, const char *msg)
4459{
4460 const char *opt_desc[] = {
4461 "-h", gettext("show this help message and exit"),
4462 "-l", gettext("set permission locally"),
4463 "-d", gettext("set permission for descents"),
4464 "-u", gettext("set permission for user"),
4465 "-g", gettext("set permission for group"),
4466 "-e", gettext("set permission for everyone"),
4467 "-c", gettext("set create time permission"),
4468 "-s", gettext("define permission set"),
4469 /* unallow only */
4470 "-r", gettext("remove permissions recursively"),
4471 };
4472 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
4473 size_t allow_size = unallow_size - 2;
4474 const char *props[ZFS_NUM_PROPS];
4475 int i;
4476 size_t count = 0;
4477 FILE *fp = requested ? stdout : stderr;
4478 zprop_desc_t *pdtbl = zfs_prop_get_table();
4479 const char *fmt = gettext("%-16s %-14s\t%s\n");
4480
4481 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
4482 HELP_ALLOW));
4483 (void) fprintf(fp, gettext("Options:\n"));
4484 for (i = 0; i < (un ? unallow_size : allow_size); i++) {
4485 const char *opt = opt_desc[i++];
4486 const char *optdsc = opt_desc[i];
4487 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
4488 }
4489
4490 (void) fprintf(fp, gettext("\nThe following permissions are "
4491 "supported:\n\n"));
4492 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
4493 gettext("NOTES"));
4494 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
4495 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
4496 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
4497 const char *perm_type = deleg_perm_type(perm_note);
4498 const char *perm_comment = deleg_perm_comment(perm_note);
4499 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
4500 }
4501
4502 for (i = 0; i < ZFS_NUM_PROPS; i++) {
4503 zprop_desc_t *pd = &pdtbl[i];
4504 if (pd->pd_visible != B_TRUE)
4505 continue;
4506
4507 if (pd->pd_attr == PROP_READONLY)
4508 continue;
4509
4510 props[count++] = pd->pd_name;
4511 }
4512 props[count] = NULL;
4513
4514 qsort(props, count, sizeof (char *), prop_cmp);
4515
4516 for (i = 0; i < count; i++)
4517 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
4518
4519 if (msg != NULL)
4520 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
4521
4522 exit(requested ? 0 : 2);
4523}
4524
4525static inline const char *
4526munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
4527 char **permsp)
4528{
4529 if (un && argc == expected_argc - 1)
4530 *permsp = NULL;
4531 else if (argc == expected_argc)
4532 *permsp = argv[argc - 2];
4533 else
4534 allow_usage(un, B_FALSE,
4535 gettext("wrong number of parameters\n"));
4536
4537 return (argv[argc - 1]);
4538}
4539
4540static void
4541parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
4542{
4543 int uge_sum = opts->user + opts->group + opts->everyone;
4544 int csuge_sum = opts->create + opts->set + uge_sum;
4545 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
4546 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
4547
4548 if (uge_sum > 1)
4549 allow_usage(un, B_FALSE,
4550 gettext("-u, -g, and -e are mutually exclusive\n"));
4551
4552 if (opts->prt_usage) {
4553 if (argc == 0 && all_sum == 0)
4554 allow_usage(un, B_TRUE, NULL);
4555 else
4556 usage(B_FALSE);
4557 }
4558
4559 if (opts->set) {
4560 if (csuge_sum > 1)
4561 allow_usage(un, B_FALSE,
4562 gettext("invalid options combined with -s\n"));
4563
4564 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
4565 if (argv[0][0] != '@')
4566 allow_usage(un, B_FALSE,
4567 gettext("invalid set name: missing '@' prefix\n"));
4568 opts->who = argv[0];
4569 } else if (opts->create) {
4570 if (ldcsuge_sum > 1)
4571 allow_usage(un, B_FALSE,
4572 gettext("invalid options combined with -c\n"));
4573 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
4574 } else if (opts->everyone) {
4575 if (csuge_sum > 1)
4576 allow_usage(un, B_FALSE,
4577 gettext("invalid options combined with -e\n"));
4578 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
4579 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
4580 == 0) {
4581 opts->everyone = B_TRUE;
4582 argc--;
4583 argv++;
4584 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
79e72243 4585 } else if (argc == 1 && !un) {
0b7936d5
AS		 4586 opts->prt_perms = B_TRUE;
4587 opts->dataset = argv[argc-1];
4588 } else {
4589 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
4590 opts->who = argv[0];
4591 }
4592
4593 if (!opts->local && !opts->descend) {
4594 opts->local = B_TRUE;
4595 opts->descend = B_TRUE;
4596 }
4597}
4598
4599static void
4600store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
4601 const char *who, char *perms, nvlist_t *top_nvl)
4602{
4603 int i;
4604 char ld[2] = { '\0', '\0' };
4605 char who_buf[ZFS_MAXNAMELEN+32];
4606 char base_type = ZFS_DELEG_WHO_UNKNOWN;
4607 char set_type = ZFS_DELEG_WHO_UNKNOWN;
4608 nvlist_t *base_nvl = NULL;
4609 nvlist_t *set_nvl = NULL;
4610 nvlist_t *nvl;
4611
4612 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
4613 nomem();
4614 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
4615 nomem();
4616
4617 switch (type) {
4618 case ZFS_DELEG_NAMED_SET_SETS:
4619 case ZFS_DELEG_NAMED_SET:
4620 set_type = ZFS_DELEG_NAMED_SET_SETS;
4621 base_type = ZFS_DELEG_NAMED_SET;
4622 ld[0] = ZFS_DELEG_NA;
4623 break;
4624 case ZFS_DELEG_CREATE_SETS:
4625 case ZFS_DELEG_CREATE:
4626 set_type = ZFS_DELEG_CREATE_SETS;
4627 base_type = ZFS_DELEG_CREATE;
4628 ld[0] = ZFS_DELEG_NA;
4629 break;
4630 case ZFS_DELEG_USER_SETS:
4631 case ZFS_DELEG_USER:
4632 set_type = ZFS_DELEG_USER_SETS;
4633 base_type = ZFS_DELEG_USER;
4634 if (local)
4635 ld[0] = ZFS_DELEG_LOCAL;
4636 if (descend)
4637 ld[1] = ZFS_DELEG_DESCENDENT;
4638 break;
4639 case ZFS_DELEG_GROUP_SETS:
4640 case ZFS_DELEG_GROUP:
4641 set_type = ZFS_DELEG_GROUP_SETS;
4642 base_type = ZFS_DELEG_GROUP;
4643 if (local)
4644 ld[0] = ZFS_DELEG_LOCAL;
4645 if (descend)
4646 ld[1] = ZFS_DELEG_DESCENDENT;
4647 break;
4648 case ZFS_DELEG_EVERYONE_SETS:
4649 case ZFS_DELEG_EVERYONE:
4650 set_type = ZFS_DELEG_EVERYONE_SETS;
4651 base_type = ZFS_DELEG_EVERYONE;
4652 if (local)
4653 ld[0] = ZFS_DELEG_LOCAL;
4654 if (descend)
4655 ld[1] = ZFS_DELEG_DESCENDENT;
4656 default:
4657 break;
4658 }
4659
4660 if (perms != NULL) {
4661 char *curr = perms;
4662 char *end = curr + strlen(perms);
4663
4664 while (curr < end) {
4665 char *delim = strchr(curr, ',');
4666 if (delim == NULL)
4667 delim = end;
4668 else
4669 *delim = '\0';
4670
4671 if (curr[0] == '@')
4672 nvl = set_nvl;
4673 else
4674 nvl = base_nvl;
4675
4676 (void) nvlist_add_boolean(nvl, curr);
4677 if (delim != end)
4678 *delim = ',';
4679 curr = delim + 1;
4680 }
4681
4682 for (i = 0; i < 2; i++) {
4683 char locality = ld[i];
4684 if (locality == 0)
4685 continue;
4686
4687 if (!nvlist_empty(base_nvl)) {
4688 if (who != NULL)
4689 (void) snprintf(who_buf,
4690 sizeof (who_buf), "%c%c$%s",
4691 base_type, locality, who);
4692 else
4693 (void) snprintf(who_buf,
4694 sizeof (who_buf), "%c%c$",
4695 base_type, locality);
4696
4697 (void) nvlist_add_nvlist(top_nvl, who_buf,
4698 base_nvl);
4699 }
4700
4701
4702 if (!nvlist_empty(set_nvl)) {
4703 if (who != NULL)
4704 (void) snprintf(who_buf,
4705 sizeof (who_buf), "%c%c$%s",
4706 set_type, locality, who);
4707 else
4708 (void) snprintf(who_buf,
4709 sizeof (who_buf), "%c%c$",
4710 set_type, locality);
4711
4712 (void) nvlist_add_nvlist(top_nvl, who_buf,
4713 set_nvl);
4714 }
4715 }
4716 } else {
4717 for (i = 0; i < 2; i++) {
4718 char locality = ld[i];
4719 if (locality == 0)
4720 continue;
4721
4722 if (who != NULL)
4723 (void) snprintf(who_buf, sizeof (who_buf),
4724 "%c%c$%s", base_type, locality, who);
4725 else
4726 (void) snprintf(who_buf, sizeof (who_buf),
4727 "%c%c$", base_type, locality);
4728 (void) nvlist_add_boolean(top_nvl, who_buf);
4729
4730 if (who != NULL)
4731 (void) snprintf(who_buf, sizeof (who_buf),
4732 "%c%c$%s", set_type, locality, who);
4733 else
4734 (void) snprintf(who_buf, sizeof (who_buf),
4735 "%c%c$", set_type, locality);
4736 (void) nvlist_add_boolean(top_nvl, who_buf);
4737 }
4738 }
4739}
4740
4741static int
4742construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
4743{
4744 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
4745 nomem();
4746
4747 if (opts->set) {
4748 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
4749 opts->descend, opts->who, opts->perms, *nvlp);
4750 } else if (opts->create) {
4751 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
4752 opts->descend, NULL, opts->perms, *nvlp);
4753 } else if (opts->everyone) {
4754 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
4755 opts->descend, NULL, opts->perms, *nvlp);
4756 } else {
4757 char *curr = opts->who;
4758 char *end = curr + strlen(curr);
4759
4760 while (curr < end) {
4761 const char *who;
4c069d34 4762 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 4763 char *endch;
4764 char *delim = strchr(curr, ',');
4765 char errbuf[256];
4766 char id[64];
4767 struct passwd *p = NULL;
4768 struct group *g = NULL;
4769
4770 uid_t rid;
4771 if (delim == NULL)
4772 delim = end;
4773 else
4774 *delim = '\0';
4775
4776 rid = (uid_t)strtol(curr, &endch, 0);
4777 if (opts->user) {
4778 who_type = ZFS_DELEG_USER;
4779 if (*endch != '\0')
4780 p = getpwnam(curr);
4781 else
4782 p = getpwuid(rid);
4783
4784 if (p != NULL)
4785 rid = p->pw_uid;
4786 else {
4787 (void) snprintf(errbuf, 256, gettext(
4788 "invalid user %s"), curr);
4789 allow_usage(un, B_TRUE, errbuf);
4790 }
4791 } else if (opts->group) {
4792 who_type = ZFS_DELEG_GROUP;
4793 if (*endch != '\0')
4794 g = getgrnam(curr);
4795 else
4796 g = getgrgid(rid);
4797
4798 if (g != NULL)
4799 rid = g->gr_gid;
4800 else {
4801 (void) snprintf(errbuf, 256, gettext(
4802 "invalid group %s"), curr);
4803 allow_usage(un, B_TRUE, errbuf);
4804 }
4805 } else {
4806 if (*endch != '\0') {
4807 p = getpwnam(curr);
4808 } else {
4809 p = getpwuid(rid);
4810 }
4811
4812 if (p == NULL) {
4813 if (*endch != '\0') {
4814 g = getgrnam(curr);
4815 } else {
4816 g = getgrgid(rid);
4817 }
4818 }
4819
4820 if (p != NULL) {
4821 who_type = ZFS_DELEG_USER;
4822 rid = p->pw_uid;
4823 } else if (g != NULL) {
4824 who_type = ZFS_DELEG_GROUP;
4825 rid = g->gr_gid;
4826 } else {
4827 (void) snprintf(errbuf, 256, gettext(
4828 "invalid user/group %s"), curr);
4829 allow_usage(un, B_TRUE, errbuf);
4830 }
4831 }
4832
4833 (void) sprintf(id, "%u", rid);
4834 who = id;
4835
4836 store_allow_perm(who_type, opts->local,
4837 opts->descend, who, opts->perms, *nvlp);
4838 curr = delim + 1;
4839 }
4840 }
4841
4842 return (0);
4843}
4844
4845static void
4846print_set_creat_perms(uu_avl_t *who_avl)
4847{
4848 const char *sc_title[] = {
4849 gettext("Permission sets:\n"),
4850 gettext("Create time permissions:\n"),
4851 NULL
4852 };
4853 const char **title_ptr = sc_title;
4854 who_perm_node_t *who_node = NULL;
4855 int prev_weight = -1;
4856
4857 for (who_node = uu_avl_first(who_avl); who_node != NULL;
4858 who_node = uu_avl_next(who_avl, who_node)) {
4859 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
4860 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
4861 const char *who_name = who_node->who_perm.who_name;
4862 int weight = who_type2weight(who_type);
4863 boolean_t first = B_TRUE;
4864 deleg_perm_node_t *deleg_node;
4865
4866 if (prev_weight != weight) {
29b35200 4867 (void) printf("%s", *title_ptr++);
0b7936d5
AS		 4868 prev_weight = weight;
4869 }
4870
4871 if (who_name == NULL || strnlen(who_name, 1) == 0)
4872 (void) printf("\t");
4873 else
4874 (void) printf("\t%s ", who_name);
4875
4876 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
4877 deleg_node = uu_avl_next(avl, deleg_node)) {
4878 if (first) {
4879 (void) printf("%s",
4880 deleg_node->dpn_perm.dp_name);
4881 first = B_FALSE;
4882 } else
4883 (void) printf(",%s",
4884 deleg_node->dpn_perm.dp_name);
4885 }
4886
4887 (void) printf("\n");
4888 }
4889}
34dc7c2f 4890
0b7936d5
AS		 4891static void inline
4892print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
4893 const char *title)
4894{
4895 who_perm_node_t *who_node = NULL;
4896 boolean_t prt_title = B_TRUE;
4897 uu_avl_walk_t *walk;
34dc7c2f 4898
0b7936d5
AS		 4899 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
4900 nomem();
34dc7c2f 4901
0b7936d5
AS		 4902 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
4903 const char *who_name = who_node->who_perm.who_name;
4904 const char *nice_who_name = who_node->who_perm.who_ug_name;
4905 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
4906 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
4907 char delim = ' ';
4908 deleg_perm_node_t *deleg_node;
4909 boolean_t prt_who = B_TRUE;
4910
4911 for (deleg_node = uu_avl_first(avl);
4912 deleg_node != NULL;
4913 deleg_node = uu_avl_next(avl, deleg_node)) {
4914 if (local != deleg_node->dpn_perm.dp_local ||
4915 descend != deleg_node->dpn_perm.dp_descend)
4916 continue;
4917
4918 if (prt_who) {
4919 const char *who = NULL;
4920 if (prt_title) {
4921 prt_title = B_FALSE;
29b35200 4922 (void) printf("%s", title);
0b7936d5
AS		 4923 }
4924
4925 switch (who_type) {
4926 case ZFS_DELEG_USER_SETS:
4927 case ZFS_DELEG_USER:
4928 who = gettext("user");
4929 if (nice_who_name)
4930 who_name = nice_who_name;
4931 break;
4932 case ZFS_DELEG_GROUP_SETS:
4933 case ZFS_DELEG_GROUP:
4934 who = gettext("group");
4935 if (nice_who_name)
4936 who_name = nice_who_name;
4937 break;
4938 case ZFS_DELEG_EVERYONE_SETS:
4939 case ZFS_DELEG_EVERYONE:
4940 who = gettext("everyone");
4941 who_name = NULL;
4942 default:
4943 break;
4944 }
4945
4946 prt_who = B_FALSE;
4947 if (who_name == NULL)
4948 (void) printf("\t%s", who);
4949 else
4950 (void) printf("\t%s %s", who, who_name);
34dc7c2f 4951 }
0b7936d5
AS		 4952
4953 (void) printf("%c%s", delim,
4954 deleg_node->dpn_perm.dp_name);
4955 delim = ',';
34dc7c2f 4956 }
34dc7c2f 4957
0b7936d5
AS		 4958 if (!prt_who)
4959 (void) printf("\n");
4960 }
428870ff 4961
0b7936d5
AS		 4962 uu_avl_walk_end(walk);
4963}
34dc7c2f 4964
0b7936d5
AS		 4965static void
4966print_fs_perms(fs_perm_set_t *fspset)
4967{
4968 fs_perm_node_t *node = NULL;
4969 char buf[ZFS_MAXNAMELEN+32];
4970 const char *dsname = buf;
4971
4972 for (node = uu_list_first(fspset->fsps_list); node != NULL;
4973 node = uu_list_next(fspset->fsps_list, node)) {
4974 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
4975 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
4976 int left = 0;
4977
4978 (void) snprintf(buf, ZFS_MAXNAMELEN+32,
4979 gettext("---- Permissions on %s "),
4980 node->fspn_fsperm.fsp_name);
29b35200 4981 (void) printf("%s", dsname);
0b7936d5
AS		 4982 left = 70 - strlen(buf);
4983 while (left-- > 0)
4984 (void) printf("-");
4985 (void) printf("\n");
4986
4987 print_set_creat_perms(sc_avl);
4988 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
4989 gettext("Local permissions:\n"));
4990 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
4991 gettext("Descendent permissions:\n"));
4992 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
4993 gettext("Local+Descendent permissions:\n"));
428870ff 4994 }
0b7936d5 4995}
34dc7c2f 4996
0b7936d5
AS		 4997static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
4998
4999struct deleg_perms {
5000 boolean_t un;
5001 nvlist_t *nvl;
5002};
5003
5004static int
5005set_deleg_perms(zfs_handle_t *zhp, void *data)
5006{
5007 struct deleg_perms *perms = (struct deleg_perms *)data;
5008 zfs_type_t zfs_type = zfs_get_type(zhp);
5009
5010 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
5011 return (0);
5012
5013 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 5014}
5015
34dc7c2f 5016static int
0b7936d5 5017zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 5018{
0b7936d5
AS		 5019 zfs_handle_t *zhp;
5020 nvlist_t *perm_nvl = NULL;
5021 nvlist_t *update_perm_nvl = NULL;
5022 int error = 1;
5023 int c;
5024 struct allow_opts opts = { 0 };
34dc7c2f 5025
0b7936d5
AS		 5026 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
5027
5028 /* check opts */
5029 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 5030 switch (c) {
0b7936d5
AS		 5031 case 'l':
5032 opts.local = B_TRUE;
5033 break;
34dc7c2f 5034 case 'd':
0b7936d5 5035 opts.descend = B_TRUE;
34dc7c2f 5036 break;
0b7936d5
AS		 5037 case 'u':
5038 opts.user = B_TRUE;
428870ff 5039 break;
0b7936d5
AS		 5040 case 'g':
5041 opts.group = B_TRUE;
34dc7c2f 5042 break;
0b7936d5
AS		 5043 case 'e':
5044 opts.everyone = B_TRUE;
d164b209 5045 break;
0b7936d5
AS		 5046 case 's':
5047 opts.set = B_TRUE;
34dc7c2f 5048 break;
0b7936d5
AS		 5049 case 'c':
5050 opts.create = B_TRUE;
5051 break;
5052 case 'r':
5053 opts.recursive = B_TRUE;
34dc7c2f
BB		 5054 break;
5055 case ':':
5056 (void) fprintf(stderr, gettext("missing argument for "
5057 "'%c' option\n"), optopt);
5058 usage(B_FALSE);
5059 break;
0b7936d5
AS		 5060 case 'h':
5061 opts.prt_usage = B_TRUE;
5062 break;
34dc7c2f
BB		 5063 case '?':
5064 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5065 optopt);
5066 usage(B_FALSE);
5067 }
5068 }
5069
5070 argc -= optind;
5071 argv += optind;
5072
0b7936d5
AS		 5073 /* check arguments */
5074 parse_allow_args(argc, argv, un, &opts);
5075
5076 /* try to open the dataset */
684e8c06
AE		 5077 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
5078 ZFS_TYPE_VOLUME)) == NULL) {
5079 (void) fprintf(stderr, "Failed to open dataset: %s\n",
0b7936d5
AS		 5080 opts.dataset);
5081 return (-1);
34dc7c2f 5082 }
0b7936d5
AS		 5083
5084 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
5085 goto cleanup2;
5086
5087 fs_perm_set_init(&fs_perm_set);
5088 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
684e8c06 5089 (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
0b7936d5 5090 goto cleanup1;
34dc7c2f
BB		 5091 }
5092
0b7936d5
AS		 5093 if (opts.prt_perms)
5094 print_fs_perms(&fs_perm_set);
5095 else {
5096 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
5097 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
5098 goto cleanup0;
5099
5100 if (un && opts.recursive) {
5101 struct deleg_perms data = { un, update_perm_nvl };
5102 if (zfs_iter_filesystems(zhp, set_deleg_perms,
5103 &data) != 0)
5104 goto cleanup0;
5105 }
34dc7c2f
BB		 5106 }
5107
0b7936d5 5108 error = 0;
34dc7c2f 5109
0b7936d5
AS		 5110cleanup0:
5111 nvlist_free(perm_nvl);
5112 if (update_perm_nvl != NULL)
5113 nvlist_free(update_perm_nvl);
5114cleanup1:
5115 fs_perm_set_fini(&fs_perm_set);
5116cleanup2:
5117 zfs_close(zhp);
5118
5119 return (error);
5120}
5121
0b7936d5
AS		 5122static int
5123zfs_do_allow(int argc, char **argv)
5124{
5125 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
5126}
5127
0b7936d5
AS		 5128static int
5129zfs_do_unallow(int argc, char **argv)
5130{
5131 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 5132}
5133
45d1cae3
BB		 5134static int
5135zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
5136{
5137 int errors = 0;
5138 int i;
5139 const char *tag;
5140 boolean_t recursive = B_FALSE;
428870ff 5141 const char *opts = holding ? "rt" : "r";
45d1cae3 5142 int c;
45d1cae3
BB		 5143
5144 /* check options */
428870ff 5145 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 5146 switch (c) {
5147 case 'r':
5148 recursive = B_TRUE;
5149 break;
5150 case '?':
5151 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5152 optopt);
5153 usage(B_FALSE);
5154 }
5155 }
5156
5157 argc -= optind;
5158 argv += optind;
5159
5160 /* check number of arguments */
5161 if (argc < 2)
5162 usage(B_FALSE);
5163
5164 tag = argv[0];
5165 --argc;
5166 ++argv;
5167
428870ff
BB		 5168 if (holding && tag[0] == '.') {
5169 /* tags starting with '.' are reserved for libzfs */
5170 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
5171 usage(B_FALSE);
45d1cae3
BB		 5172 }
5173
5174 for (i = 0; i < argc; ++i) {
5175 zfs_handle_t *zhp;
5176 char parent[ZFS_MAXNAMELEN];
5177 const char *delim;
5178 char *path = argv[i];
5179
5180 delim = strchr(path, '@');
5181 if (delim == NULL) {
5182 (void) fprintf(stderr,
5183 gettext("'%s' is not a snapshot\n"), path);
5184 ++errors;
5185 continue;
5186 }
5187 (void) strncpy(parent, path, delim - path);
5188 parent[delim - path] = '\0';
5189
5190 zhp = zfs_open(g_zfs, parent,
5191 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
5192 if (zhp == NULL) {
5193 ++errors;
5194 continue;
5195 }
428870ff 5196 if (holding) {
95fd54a1 5197 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
428870ff
BB		 5198 ++errors;
5199 } else {
5200 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
5201 ++errors;
5202 }
45d1cae3
BB		 5203 zfs_close(zhp);
5204 }
5205
5206 return (errors != 0);
5207}
5208
5209/*
428870ff 5210 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 5211 *
428870ff 5212 * -r Recursively hold
45d1cae3
BB		 5213 *
5214 * Apply a user-hold with the given tag to the list of snapshots.
5215 */
5216static int
5217zfs_do_hold(int argc, char **argv)
5218{
5219 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
5220}
5221
5222/*
5223 * zfs release [-r] <tag> <snap> ...
5224 *
428870ff 5225 * -r Recursively release
45d1cae3
BB		 5226 *
5227 * Release a user-hold with the given tag from the list of snapshots.
5228 */
5229static int
5230zfs_do_release(int argc, char **argv)
5231{
5232 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
5233}
5234
0b7936d5
AS		 5235typedef struct holds_cbdata {
5236 boolean_t cb_recursive;
5237 const char *cb_snapname;
5238 nvlist_t **cb_nvlp;
5239 size_t cb_max_namelen;
5240 size_t cb_max_taglen;
5241} holds_cbdata_t;
5242
5243#define STRFTIME_FMT_STR "%a %b %e %k:%M %Y"
5244#define DATETIME_BUF_LEN (32)
5245/*
5246 *
5247 */
5248static void
5249print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl)
5250{
5251 int i;
5252 nvpair_t *nvp = NULL;
5253 char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
5254 const char *col;
5255
5256 if (!scripted) {
5257 for (i = 0; i < 3; i++) {
5258 col = gettext(hdr_cols[i]);
5259 if (i < 2)
5260 (void) printf("%-*s ", i ? tagwidth : nwidth,
5261 col);
5262 else
5263 (void) printf("%s\n", col);
5264 }
5265 }
5266
5267 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5268 char *zname = nvpair_name(nvp);
5269 nvlist_t *nvl2;
5270 nvpair_t *nvp2 = NULL;
5271 (void) nvpair_value_nvlist(nvp, &nvl2);
5272 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
5273 char tsbuf[DATETIME_BUF_LEN];
5274 char *tagname = nvpair_name(nvp2);
5275 uint64_t val = 0;
5276 time_t time;
5277 struct tm t;
5278 char sep = scripted ? '\t' : ' ';
5279 int sepnum = scripted ? 1 : 2;
5280
5281 (void) nvpair_value_uint64(nvp2, &val);
5282 time = (time_t)val;
5283 (void) localtime_r(&time, &t);
5284 (void) strftime(tsbuf, DATETIME_BUF_LEN,
5285 gettext(STRFTIME_FMT_STR), &t);
5286
5287 (void) printf("%-*s%*c%-*s%*c%s\n", nwidth, zname,
5288 sepnum, sep, tagwidth, tagname, sepnum, sep, tsbuf);
5289 }
5290 }
5291}
5292
5293/*
5294 * Generic callback function to list a dataset or snapshot.
5295 */
5296static int
5297holds_callback(zfs_handle_t *zhp, void *data)
5298{
5299 holds_cbdata_t *cbp = data;
5300 nvlist_t *top_nvl = *cbp->cb_nvlp;
5301 nvlist_t *nvl = NULL;
5302 nvpair_t *nvp = NULL;
5303 const char *zname = zfs_get_name(zhp);
5304 size_t znamelen = strnlen(zname, ZFS_MAXNAMELEN);
5305
5306 if (cbp->cb_recursive) {
5307 const char *snapname;
5308 char *delim = strchr(zname, '@');
5309 if (delim == NULL)
5310 return (0);
5311
5312 snapname = delim + 1;
5313 if (strcmp(cbp->cb_snapname, snapname))
5314 return (0);
5315 }
5316
5317 if (zfs_get_holds(zhp, &nvl) != 0)
5318 return (-1);
5319
5320 if (znamelen > cbp->cb_max_namelen)
5321 cbp->cb_max_namelen = znamelen;
5322
5323 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5324 const char *tag = nvpair_name(nvp);
5325 size_t taglen = strnlen(tag, MAXNAMELEN);
5326 if (taglen > cbp->cb_max_taglen)
5327 cbp->cb_max_taglen = taglen;
5328 }
5329
5330 return (nvlist_add_nvlist(top_nvl, zname, nvl));
5331}
5332
5333/*
5334 * zfs holds [-r] <snap> ...
5335 *
5336 * -r Recursively hold
5337 */
5338static int
5339zfs_do_holds(int argc, char **argv)
5340{
5341 int errors = 0;
5342 int c;
5343 int i;
5344 boolean_t scripted = B_FALSE;
5345 boolean_t recursive = B_FALSE;
5346 const char *opts = "rH";
5347 nvlist_t *nvl;
5348
5349 int types = ZFS_TYPE_SNAPSHOT;
5350 holds_cbdata_t cb = { 0 };
5351
5352 int limit = 0;
ad60af8e 5353 int ret = 0;
0b7936d5
AS		 5354 int flags = 0;
5355
5356 /* check options */
5357 while ((c = getopt(argc, argv, opts)) != -1) {
5358 switch (c) {
5359 case 'r':
5360 recursive = B_TRUE;
5361 break;
5362 case 'H':
5363 scripted = B_TRUE;
5364 break;
5365 case '?':
5366 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5367 optopt);
5368 usage(B_FALSE);
5369 }
5370 }
5371
5372 if (recursive) {
5373 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
5374 flags |= ZFS_ITER_RECURSE;
5375 }
5376
5377 argc -= optind;
5378 argv += optind;
5379
5380 /* check number of arguments */
5381 if (argc < 1)
5382 usage(B_FALSE);
5383
5384 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
5385 nomem();
5386
5387 for (i = 0; i < argc; ++i) {
5388 char *snapshot = argv[i];
5389 const char *delim;
5390 const char *snapname;
5391
5392 delim = strchr(snapshot, '@');
5393 if (delim == NULL) {
5394 (void) fprintf(stderr,
5395 gettext("'%s' is not a snapshot\n"), snapshot);
5396 ++errors;
5397 continue;
5398 }
5399 snapname = delim + 1;
5400 if (recursive)
5401 snapshot[delim - snapshot] = '\0';
5402
5403 cb.cb_recursive = recursive;
5404 cb.cb_snapname = snapname;
5405 cb.cb_nvlp = &nvl;
5406
5407 /*
5408 * 1. collect holds data, set format options
5409 */
5410 ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit,
5411 holds_callback, &cb);
5412 if (ret != 0)
5413 ++errors;
5414 }
5415
5416 /*
5417 * 2. print holds data
5418 */
5419 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl);
5420
5421 if (nvlist_empty(nvl))
42cb3819 5422 (void) fprintf(stderr, gettext("no datasets available\n"));
0b7936d5
AS		 5423
5424 nvlist_free(nvl);
5425
5426 return (0 != errors);
5427}
5428
34dc7c2f
BB		 5429#define CHECK_SPINNER 30
5430#define SPINNER_TIME 3 /* seconds */
5431#define MOUNT_TIME 5 /* seconds */
5432
5433static int
5434get_one_dataset(zfs_handle_t *zhp, void *data)
5435{
428870ff 5436 static char *spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 5437 static int spinval = 0;
5438 static int spincheck = 0;
5439 static time_t last_spin_time = (time_t)0;
572e2857 5440 get_all_cb_t *cbp = data;
34dc7c2f
BB		 5441 zfs_type_t type = zfs_get_type(zhp);
5442
5443 if (cbp->cb_verbose) {
5444 if (--spincheck < 0) {
5445 time_t now = time(NULL);
5446 if (last_spin_time + SPINNER_TIME < now) {
428870ff 5447 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 5448 last_spin_time = now;
5449 }
5450 spincheck = CHECK_SPINNER;
5451 }
5452 }
5453
5454 /*
254255f7 5455 * Iterate over any nested datasets.
34dc7c2f 5456 */
572e2857 5457 if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
34dc7c2f
BB		 5458 zfs_close(zhp);
5459 return (1);
5460 }
5461
5462 /*
5463 * Skip any datasets whose type does not match.
5464 */
572e2857 5465 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 5466 zfs_close(zhp);
5467 return (0);
5468 }
572e2857
BB		 5469 libzfs_add_handle(cbp, zhp);
5470 assert(cbp->cb_used <= cbp->cb_alloc);
34dc7c2f
BB		 5471
5472 return (0);
5473}
5474
5475static void
572e2857 5476get_all_datasets(zfs_handle_t ***dslist, size_t *count, boolean_t verbose)
34dc7c2f 5477{
572e2857 5478 get_all_cb_t cb = { 0 };
34dc7c2f 5479 cb.cb_verbose = verbose;
572e2857 5480 cb.cb_getone = get_one_dataset;
34dc7c2f 5481
428870ff
BB		 5482 if (verbose)
5483 set_progress_header(gettext("Reading ZFS config"));
34dc7c2f
BB		 5484 (void) zfs_iter_root(g_zfs, get_one_dataset, &cb);
5485
5486 *dslist = cb.cb_handles;
5487 *count = cb.cb_used;
5488
428870ff
BB		 5489 if (verbose)
5490 finish_progress(gettext("done."));
34dc7c2f
BB		 5491}
5492
34dc7c2f
BB		 5493/*
5494 * Generic callback for sharing or mounting filesystems. Because the code is so
5495 * similar, we have a common function with an extra parameter to determine which
5496 * mode we are using.
5497 */
5498#define OP_SHARE 0x1
5499#define OP_MOUNT 0x2
5500
5501/*
5502 * Share or mount a dataset.
5503 */
5504static int
5505share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
5506 boolean_t explicit, const char *options)
5507{
5508 char mountpoint[ZFS_MAXPROPLEN];
5509 char shareopts[ZFS_MAXPROPLEN];
5510 char smbshareopts[ZFS_MAXPROPLEN];
5511 const char *cmdname = op == OP_SHARE ? "share" : "mount";
5512 struct mnttab mnt;
5513 uint64_t zoned, canmount;
34dc7c2f
BB		 5514 boolean_t shared_nfs, shared_smb;
5515
572e2857 5516 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 5517
572e2857
BB		 5518 /*
5519 * Check to make sure we can mount/share this dataset. If we
5520 * are in the global zone and the filesystem is exported to a
5521 * local zone, or if we are in a local zone and the
5522 * filesystem is not exported, then it is an error.
5523 */
5524 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 5525
572e2857
BB		 5526 if (zoned && getzoneid() == GLOBAL_ZONEID) {
5527 if (!explicit)
5528 return (0);
34dc7c2f 5529
572e2857
BB		 5530 (void) fprintf(stderr, gettext("cannot %s '%s': "
5531 "dataset is exported to a local zone\n"), cmdname,
5532 zfs_get_name(zhp));
5533 return (1);
34dc7c2f 5534
572e2857
BB		 5535 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
5536 if (!explicit)
5537 return (0);
34dc7c2f 5538
572e2857
BB		 5539 (void) fprintf(stderr, gettext("cannot %s '%s': "
5540 "permission denied\n"), cmdname,
5541 zfs_get_name(zhp));
5542 return (1);
5543 }
34dc7c2f 5544
572e2857
BB		 5545 /*
5546 * Ignore any filesystems which don't apply to us. This
5547 * includes those with a legacy mountpoint, or those with
5548 * legacy share options.
5549 */
5550 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
5551 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
5552 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
5553 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
5554 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
5555 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
5556
5557 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
5558 strcmp(smbshareopts, "off") == 0) {
5559 if (!explicit)
5560 return (0);
34dc7c2f 5561
572e2857
BB		 5562 (void) fprintf(stderr, gettext("cannot share '%s': "
5563 "legacy share\n"), zfs_get_name(zhp));
5564 (void) fprintf(stderr, gettext("use share(1M) to "
5565 "share this filesystem, or set "
5566 "sharenfs property on\n"));
5567 return (1);
5568 }
34dc7c2f 5569
572e2857
BB		 5570 /*
5571 * We cannot share or mount legacy filesystems. If the
5572 * shareopts is non-legacy but the mountpoint is legacy, we
5573 * treat it as a legacy share.
5574 */
5575 if (strcmp(mountpoint, "legacy") == 0) {
5576 if (!explicit)
5577 return (0);
34dc7c2f 5578
572e2857
BB		 5579 (void) fprintf(stderr, gettext("cannot %s '%s': "
5580 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
5581 (void) fprintf(stderr, gettext("use %s(1M) to "
5582 "%s this filesystem\n"), cmdname, cmdname);
5583 return (1);
5584 }
34dc7c2f 5585
572e2857
BB		 5586 if (strcmp(mountpoint, "none") == 0) {
5587 if (!explicit)
5588 return (0);
34dc7c2f 5589
572e2857
BB		 5590 (void) fprintf(stderr, gettext("cannot %s '%s': no "
5591 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
5592 return (1);
5593 }
34dc7c2f 5594
572e2857
BB		 5595 /*
5596 * canmount explicit outcome
5597 * on no pass through
5598 * on yes pass through
5599 * off no return 0
5600 * off yes display error, return 1
5601 * noauto no return 0
5602 * noauto yes pass through
5603 */
5604 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
5605 if (canmount == ZFS_CANMOUNT_OFF) {
5606 if (!explicit)
5607 return (0);
5608
5609 (void) fprintf(stderr, gettext("cannot %s '%s': "
5610 "'canmount' property is set to 'off'\n"), cmdname,
5611 zfs_get_name(zhp));
5612 return (1);
5613 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
5614 return (0);
5615 }
5616
5617 /*
5618 * At this point, we have verified that the mountpoint and/or
5619 * shareopts are appropriate for auto management. If the
5620 * filesystem is already mounted or shared, return (failing
5621 * for explicit requests); otherwise mount or share the
5622 * filesystem.
5623 */
5624 switch (op) {
5625 case OP_SHARE:
5626
5627 shared_nfs = zfs_is_shared_nfs(zhp, NULL);
5628 shared_smb = zfs_is_shared_smb(zhp, NULL);
5629
149e873a
BB		 5630 if ((shared_nfs && shared_smb) ||
5631 ((shared_nfs && strcmp(shareopts, "on") == 0) &&
5632 (strcmp(smbshareopts, "off") == 0)) ||
5633 ((shared_smb && strcmp(smbshareopts, "on") == 0) &&
5634 (strcmp(shareopts, "off") == 0))) {
34dc7c2f
BB		 5635 if (!explicit)
5636 return (0);
5637
572e2857
BB		 5638 (void) fprintf(stderr, gettext("cannot share "
5639 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 5640 zfs_get_name(zhp));
5641 return (1);
34dc7c2f
BB		 5642 }
5643
572e2857
BB		 5644 if (!zfs_is_mounted(zhp, NULL) &&
5645 zfs_mount(zhp, NULL, 0) != 0)
5646 return (1);
34dc7c2f 5647
572e2857
BB		 5648 if (protocol == NULL) {
5649 if (zfs_shareall(zhp) != 0)
34dc7c2f 5650 return (1);
572e2857
BB		 5651 } else if (strcmp(protocol, "nfs") == 0) {
5652 if (zfs_share_nfs(zhp))
34dc7c2f 5653 return (1);
572e2857
BB		 5654 } else if (strcmp(protocol, "smb") == 0) {
5655 if (zfs_share_smb(zhp))
34dc7c2f 5656 return (1);
572e2857
BB		 5657 } else {
5658 (void) fprintf(stderr, gettext("cannot share "
5659 "'%s': invalid share type '%s' "
5660 "specified\n"),
5661 zfs_get_name(zhp), protocol);
5662 return (1);
5663 }
34dc7c2f 5664
572e2857 5665 break;
34dc7c2f 5666
572e2857
BB		 5667 case OP_MOUNT:
5668 if (options == NULL)
5669 mnt.mnt_mntopts = "";
5670 else
5671 mnt.mnt_mntopts = (char *)options;
34dc7c2f 5672
572e2857
BB		 5673 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
5674 zfs_is_mounted(zhp, NULL)) {
5675 if (!explicit)
5676 return (0);
34dc7c2f 5677
572e2857
BB		 5678 (void) fprintf(stderr, gettext("cannot mount "
5679 "'%s': filesystem already mounted\n"),
5680 zfs_get_name(zhp));
5681 return (1);
34dc7c2f 5682 }
572e2857
BB		 5683
5684 if (zfs_mount(zhp, options, flags) != 0)
5685 return (1);
5686 break;
5687 }
34dc7c2f 5688
34dc7c2f
BB		 5689 return (0);
5690}
5691
5692/*
5693 * Reports progress in the form "(current/total)". Not thread-safe.
5694 */
5695static void
5696report_mount_progress(int current, int total)
5697{
428870ff 5698 static time_t last_progress_time = 0;
34dc7c2f 5699 time_t now = time(NULL);
428870ff 5700 char info[32];
34dc7c2f
BB		 5701
5702 /* report 1..n instead of 0..n-1 */
5703 ++current;
5704
5705 /* display header if we're here for the first time */
5706 if (current == 1) {
428870ff 5707 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 5708 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
5709 /* too soon to report again */
5710 return;
5711 }
5712
5713 last_progress_time = now;
5714
428870ff 5715 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 5716
428870ff
BB		 5717 if (current == total)
5718 finish_progress(info);
5719 else
5720 update_progress(info);
34dc7c2f
BB		 5721}
5722
5723static void
5724append_options(char *mntopts, char *newopts)
5725{
5726 int len = strlen(mntopts);
5727
5728 /* original length plus new string to append plus 1 for the comma */
5729 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
5730 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 5731 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 5732 "-o", MNT_LINE_MAX);
5733 usage(B_FALSE);
5734 }
5735
5736 if (*mntopts)
5737 mntopts[len++] = ',';
5738
5739 (void) strcpy(&mntopts[len], newopts);
5740}
5741
5742static int
5743share_mount(int op, int argc, char **argv)
5744{
5745 int do_all = 0;
5746 boolean_t verbose = B_FALSE;
5747 int c, ret = 0;
5748 char *options = NULL;
572e2857 5749 int flags = 0;
34dc7c2f
BB		 5750
5751 /* check options */
e18be9a6 5752 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:O" : "a"))
34dc7c2f
BB		 5753 != -1) {
5754 switch (c) {
5755 case 'a':
5756 do_all = 1;
5757 break;
5758 case 'v':
5759 verbose = B_TRUE;
5760 break;
5761 case 'o':
5762 if (*optarg == '\0') {
5763 (void) fprintf(stderr, gettext("empty mount "
5764 "options (-o) specified\n"));
5765 usage(B_FALSE);
5766 }
5767
5768 if (options == NULL)
5769 options = safe_malloc(MNT_LINE_MAX + 1);
5770
5771 /* option validation is done later */
5772 append_options(options, optarg);
5773 break;
e18be9a6
SC		 5774 case 'O':
5775 flags |= MS_OVERLAY;
5776 break;
34dc7c2f
BB		 5777 case ':':
5778 (void) fprintf(stderr, gettext("missing argument for "
5779 "'%c' option\n"), optopt);
5780 usage(B_FALSE);
5781 break;
5782 case '?':
5783 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5784 optopt);
5785 usage(B_FALSE);
5786 }
5787 }
5788
5789 argc -= optind;
5790 argv += optind;
5791
5792 /* check number of arguments */
5793 if (do_all) {
5794 zfs_handle_t **dslist = NULL;
5795 size_t i, count = 0;
5796 char *protocol = NULL;
5797
572e2857
BB		 5798 if (op == OP_SHARE && argc > 0) {
5799 if (strcmp(argv[0], "nfs") != 0 &&
5800 strcmp(argv[0], "smb") != 0) {
34dc7c2f 5801 (void) fprintf(stderr, gettext("share type "
428870ff 5802 "must be 'nfs' or 'smb'\n"));
34dc7c2f
BB		 5803 usage(B_FALSE);
5804 }
5805 protocol = argv[0];
5806 argc--;
5807 argv++;
34dc7c2f
BB		 5808 }
5809
5810 if (argc != 0) {
5811 (void) fprintf(stderr, gettext("too many arguments\n"));
5812 usage(B_FALSE);
5813 }
5814
428870ff 5815 start_progress_timer();
572e2857 5816 get_all_datasets(&dslist, &count, verbose);
34dc7c2f
BB		 5817
5818 if (count == 0)
5819 return (0);
5820
572e2857 5821 qsort(dslist, count, sizeof (void *), libzfs_dataset_cmp);
34dc7c2f
BB		 5822
5823 for (i = 0; i < count; i++) {
5824 if (verbose)
5825 report_mount_progress(i, count);
5826
5827 if (share_mount_one(dslist[i], op, flags, protocol,
5828 B_FALSE, options) != 0)
5829 ret = 1;
5830 zfs_close(dslist[i]);
5831 }
5832
5833 free(dslist);
5834 } else if (argc == 0) {
5835 struct mnttab entry;
5836
5837 if ((op == OP_SHARE) || (options != NULL)) {
5838 (void) fprintf(stderr, gettext("missing filesystem "
5839 "argument (specify -a for all)\n"));
5840 usage(B_FALSE);
5841 }
5842
5843 /*
9a616b5d 5844 * When mount is given no arguments, go through /etc/mtab and
34dc7c2f
BB		 5845 * display any active ZFS mounts. We hide any snapshots, since
5846 * they are controlled automatically.
5847 */
5848 rewind(mnttab_file);
5849 while (getmntent(mnttab_file, &entry) == 0) {
5850 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
5851 strchr(entry.mnt_special, '@') != NULL)
5852 continue;
5853
5854 (void) printf("%-30s %s\n", entry.mnt_special,
5855 entry.mnt_mountp);
5856 }
5857
5858 } else {
5859 zfs_handle_t *zhp;
5860
34dc7c2f
BB		 5861 if (argc > 1) {
5862 (void) fprintf(stderr,
5863 gettext("too many arguments\n"));
5864 usage(B_FALSE);
5865 }
5866
572e2857
BB		 5867 if ((zhp = zfs_open(g_zfs, argv[0],
5868 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 5869 ret = 1;
5870 } else {
5871 ret = share_mount_one(zhp, op, flags, NULL, B_TRUE,
5872 options);
5873 zfs_close(zhp);
5874 }
5875 }
5876
5877 return (ret);
5878}
5879
5880/*
428870ff 5881 * zfs mount -a [nfs]
34dc7c2f
BB		 5882 * zfs mount filesystem
5883 *
5884 * Mount all filesystems, or mount the given filesystem.
5885 */
5886static int
5887zfs_do_mount(int argc, char **argv)
5888{
5889 return (share_mount(OP_MOUNT, argc, argv));
5890}
5891
5892/*
428870ff 5893 * zfs share -a [nfs | smb]
34dc7c2f
BB		 5894 * zfs share filesystem
5895 *
5896 * Share all filesystems, or share the given filesystem.
5897 */
5898static int
5899zfs_do_share(int argc, char **argv)
5900{
5901 return (share_mount(OP_SHARE, argc, argv));
5902}
5903
5904typedef struct unshare_unmount_node {
5905 zfs_handle_t *un_zhp;
5906 char *un_mountp;
5907 uu_avl_node_t un_avlnode;
5908} unshare_unmount_node_t;
5909
5910/* ARGSUSED */
5911static int
5912unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
5913{
5914 const unshare_unmount_node_t *l = larg;
5915 const unshare_unmount_node_t *r = rarg;
5916
5917 return (strcmp(l->un_mountp, r->un_mountp));
5918}
5919
5920/*
5921 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
9a616b5d 5922 * absolute path, find the entry /etc/mtab, verify that its a ZFS filesystem,
34dc7c2f
BB		 5923 * and unmount it appropriately.
5924 */
5925static int
5926unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
5927{
5928 zfs_handle_t *zhp;
ad60af8e 5929 int ret = 0;
34dc7c2f
BB		 5930 struct stat64 statbuf;
5931 struct extmnttab entry;
5932 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
5933 ino_t path_inode;
5934
5935 /*
9a616b5d 5936 * Search for the path in /etc/mtab. Rather than looking for the
34dc7c2f
BB		 5937 * specific path, which can be fooled by non-standard paths (i.e. ".."
5938 * or "//"), we stat() the path and search for the corresponding
5939 * (major,minor) device pair.
5940 */
5941 if (stat64(path, &statbuf) != 0) {
5942 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
5943 cmdname, path, strerror(errno));
5944 return (1);
5945 }
5946 path_inode = statbuf.st_ino;
5947
5948 /*
5949 * Search for the given (major,minor) pair in the mount table.
5950 */
5951 rewind(mnttab_file);
5952 while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) {
5953 if (entry.mnt_major == major(statbuf.st_dev) &&
5954 entry.mnt_minor == minor(statbuf.st_dev))
5955 break;
5956 }
5957 if (ret != 0) {
5958 if (op == OP_SHARE) {
5959 (void) fprintf(stderr, gettext("cannot %s '%s': not "
5960 "currently mounted\n"), cmdname, path);
5961 return (1);
5962 }
9a616b5d 5963 (void) fprintf(stderr, gettext("warning: %s not in mtab\n"),
34dc7c2f
BB		 5964 path);
5965 if ((ret = umount2(path, flags)) != 0)
5966 (void) fprintf(stderr, gettext("%s: %s\n"), path,
5967 strerror(errno));
5968 return (ret != 0);
5969 }
5970
5971 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
5972 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
5973 "filesystem\n"), cmdname, path);
5974 return (1);
5975 }
5976
5977 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
5978 ZFS_TYPE_FILESYSTEM)) == NULL)
5979 return (1);
5980
34dc7c2f 5981 ret = 1;
b128c09f
BB		 5982 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
5983 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
5984 cmdname, path, strerror(errno));
5985 goto out;
5986 } else if (statbuf.st_ino != path_inode) {
5987 (void) fprintf(stderr, gettext("cannot "
5988 "%s '%s': not a mountpoint\n"), cmdname, path);
5989 goto out;
5990 }
5991
34dc7c2f
BB		 5992 if (op == OP_SHARE) {
5993 char nfs_mnt_prop[ZFS_MAXPROPLEN];
5994 char smbshare_prop[ZFS_MAXPROPLEN];
5995
5996 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
5997 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
5998 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
5999 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
6000
6001 if (strcmp(nfs_mnt_prop, "off") == 0 &&
6002 strcmp(smbshare_prop, "off") == 0) {
6003 (void) fprintf(stderr, gettext("cannot unshare "
6004 "'%s': legacy share\n"), path);
9a616b5d
BB		 6005 (void) fprintf(stderr, gettext("use exportfs(8) "
6006 "or smbcontrol(1) to unshare this filesystem\n"));
34dc7c2f
BB		 6007 } else if (!zfs_is_shared(zhp)) {
6008 (void) fprintf(stderr, gettext("cannot unshare '%s': "
6009 "not currently shared\n"), path);
6010 } else {
6011 ret = zfs_unshareall_bypath(zhp, path);
6012 }
6013 } else {
6014 char mtpt_prop[ZFS_MAXPROPLEN];
6015
6016 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
6017 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
6018
b128c09f 6019 if (is_manual) {
34dc7c2f
BB		 6020 ret = zfs_unmount(zhp, NULL, flags);
6021 } else if (strcmp(mtpt_prop, "legacy") == 0) {
6022 (void) fprintf(stderr, gettext("cannot unmount "
6023 "'%s': legacy mountpoint\n"),
6024 zfs_get_name(zhp));
9a616b5d 6025 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 6026 "to unmount this filesystem\n"));
6027 } else {
6028 ret = zfs_unmountall(zhp, flags);
6029 }
6030 }
6031
b128c09f 6032out:
34dc7c2f
BB		 6033 zfs_close(zhp);
6034
6035 return (ret != 0);
6036}
6037
6038/*
6039 * Generic callback for unsharing or unmounting a filesystem.
6040 */
6041static int
6042unshare_unmount(int op, int argc, char **argv)
6043{
6044 int do_all = 0;
6045 int flags = 0;
6046 int ret = 0;
572e2857 6047 int c;
34dc7c2f 6048 zfs_handle_t *zhp;
428870ff 6049 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 6050 char sharesmb[ZFS_MAXPROPLEN];
6051
6052 /* check options */
6053 while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) {
6054 switch (c) {
6055 case 'a':
6056 do_all = 1;
6057 break;
6058 case 'f':
6059 flags = MS_FORCE;
6060 break;
6061 case '?':
6062 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6063 optopt);
6064 usage(B_FALSE);
6065 }
6066 }
6067
6068 argc -= optind;
6069 argv += optind;
6070
6071 if (do_all) {
6072 /*
6073 * We could make use of zfs_for_each() to walk all datasets in
6074 * the system, but this would be very inefficient, especially
9a616b5d
BB		 6075 * since we would have to linearly search /etc/mtab for each
6076 * one. Instead, do one pass through /etc/mtab looking for
34dc7c2f
BB		 6077 * zfs entries and call zfs_unmount() for each one.
6078 *
6079 * Things get a little tricky if the administrator has created
6080 * mountpoints beneath other ZFS filesystems. In this case, we
6081 * have to unmount the deepest filesystems first. To accomplish
6082 * this, we place all the mountpoints in an AVL tree sorted by
6083 * the special type (dataset name), and walk the result in
6084 * reverse to make sure to get any snapshots first.
6085 */
6086 struct mnttab entry;
6087 uu_avl_pool_t *pool;
149e873a 6088 uu_avl_t *tree = NULL;
34dc7c2f
BB		 6089 unshare_unmount_node_t *node;
6090 uu_avl_index_t idx;
6091 uu_avl_walk_t *walk;
6092
6093 if (argc != 0) {
6094 (void) fprintf(stderr, gettext("too many arguments\n"));
6095 usage(B_FALSE);
6096 }
6097
428870ff 6098 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 6099 sizeof (unshare_unmount_node_t),
6100 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 6101 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
6102 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
6103 nomem();
34dc7c2f
BB		 6104
6105 rewind(mnttab_file);
6106 while (getmntent(mnttab_file, &entry) == 0) {
6107
6108 /* ignore non-ZFS entries */
6109 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
6110 continue;
6111
6112 /* ignore snapshots */
6113 if (strchr(entry.mnt_special, '@') != NULL)
6114 continue;
6115
6116 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
6117 ZFS_TYPE_FILESYSTEM)) == NULL) {
6118 ret = 1;
6119 continue;
6120 }
6121
6122 switch (op) {
6123 case OP_SHARE:
6124 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 6125 nfs_mnt_prop,
6126 sizeof (nfs_mnt_prop),
34dc7c2f 6127 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6128 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 6129 break;
6130 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 6131 nfs_mnt_prop,
6132 sizeof (nfs_mnt_prop),
34dc7c2f 6133 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6134 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 6135 continue;
6136 break;
6137 case OP_MOUNT:
6138 /* Ignore legacy mounts */
6139 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 6140 nfs_mnt_prop,
6141 sizeof (nfs_mnt_prop),
34dc7c2f 6142 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6143 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 6144 continue;
6145 /* Ignore canmount=noauto mounts */
6146 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
6147 ZFS_CANMOUNT_NOAUTO)
6148 continue;
6149 default:
6150 break;
6151 }
6152
6153 node = safe_malloc(sizeof (unshare_unmount_node_t));
6154 node->un_zhp = zhp;
428870ff 6155 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 6156
6157 uu_avl_node_init(node, &node->un_avlnode, pool);
6158
6159 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
6160 uu_avl_insert(tree, node, idx);
6161 } else {
6162 zfs_close(node->un_zhp);
6163 free(node->un_mountp);
6164 free(node);
6165 }
6166 }
6167
6168 /*
6169 * Walk the AVL tree in reverse, unmounting each filesystem and
6170 * removing it from the AVL tree in the process.
6171 */
6172 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 6173 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
6174 nomem();
34dc7c2f
BB		 6175
6176 while ((node = uu_avl_walk_next(walk)) != NULL) {
6177 uu_avl_remove(tree, node);
6178
6179 switch (op) {
6180 case OP_SHARE:
6181 if (zfs_unshareall_bypath(node->un_zhp,
6182 node->un_mountp) != 0)
6183 ret = 1;
6184 break;
6185
6186 case OP_MOUNT:
6187 if (zfs_unmount(node->un_zhp,
6188 node->un_mountp, flags) != 0)
6189 ret = 1;
6190 break;
6191 }
6192
6193 zfs_close(node->un_zhp);
6194 free(node->un_mountp);
6195 free(node);
6196 }
6197
6198 uu_avl_walk_end(walk);
6199 uu_avl_destroy(tree);
6200 uu_avl_pool_destroy(pool);
6201
34dc7c2f
BB		 6202 } else {
6203 if (argc != 1) {
6204 if (argc == 0)
6205 (void) fprintf(stderr,
6206 gettext("missing filesystem argument\n"));
6207 else
6208 (void) fprintf(stderr,
6209 gettext("too many arguments\n"));
6210 usage(B_FALSE);
6211 }
6212
6213 /*
6214 * We have an argument, but it may be a full path or a ZFS
6215 * filesystem. Pass full paths off to unmount_path() (shared by
6216 * manual_unmount), otherwise open the filesystem and pass to
6217 * zfs_unmount().
6218 */
6219 if (argv[0][0] == '/')
6220 return (unshare_unmount_path(op, argv[0],
6221 flags, B_FALSE));
6222
572e2857
BB		 6223 if ((zhp = zfs_open(g_zfs, argv[0],
6224 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 6225 return (1);
6226
572e2857
BB		 6227 verify(zfs_prop_get(zhp, op == OP_SHARE ?
6228 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
6229 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
6230 NULL, 0, B_FALSE) == 0);
34dc7c2f 6231
572e2857
BB		 6232 switch (op) {
6233 case OP_SHARE:
6234 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
6235 nfs_mnt_prop,
6236 sizeof (nfs_mnt_prop),
6237 NULL, NULL, 0, B_FALSE) == 0);
6238 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
6239 sharesmb, sizeof (sharesmb), NULL, NULL,
6240 0, B_FALSE) == 0);
6241
6242 if (strcmp(nfs_mnt_prop, "off") == 0 &&
6243 strcmp(sharesmb, "off") == 0) {
6244 (void) fprintf(stderr, gettext("cannot "
6245 "unshare '%s': legacy share\n"),
6246 zfs_get_name(zhp));
6247 (void) fprintf(stderr, gettext("use "
6248 "unshare(1M) to unshare this "
6249 "filesystem\n"));
6250 ret = 1;
6251 } else if (!zfs_is_shared(zhp)) {
6252 (void) fprintf(stderr, gettext("cannot "
6253 "unshare '%s': not currently "
6254 "shared\n"), zfs_get_name(zhp));
6255 ret = 1;
6256 } else if (zfs_unshareall(zhp) != 0) {
6257 ret = 1;
6258 }
6259 break;
34dc7c2f 6260
572e2857
BB		 6261 case OP_MOUNT:
6262 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
6263 (void) fprintf(stderr, gettext("cannot "
6264 "unmount '%s': legacy "
6265 "mountpoint\n"), zfs_get_name(zhp));
6266 (void) fprintf(stderr, gettext("use "
6267 "umount(1M) to unmount this "
6268 "filesystem\n"));
6269 ret = 1;
6270 } else if (!zfs_is_mounted(zhp, NULL)) {
6271 (void) fprintf(stderr, gettext("cannot "
6272 "unmount '%s': not currently "
6273 "mounted\n"),
6274 zfs_get_name(zhp));
6275 ret = 1;
6276 } else if (zfs_unmountall(zhp, flags) != 0) {
6277 ret = 1;
34dc7c2f 6278 }
572e2857 6279 break;
34dc7c2f
BB		 6280 }
6281
6282 zfs_close(zhp);
6283 }
6284
6285 return (ret);
6286}
6287
6288/*
6289 * zfs unmount -a
6290 * zfs unmount filesystem
6291 *
6292 * Unmount all filesystems, or a specific ZFS filesystem.
6293 */
6294static int
6295zfs_do_unmount(int argc, char **argv)
6296{
6297 return (unshare_unmount(OP_MOUNT, argc, argv));
6298}
6299
6300/*
6301 * zfs unshare -a
6302 * zfs unshare filesystem
6303 *
6304 * Unshare all filesystems, or a specific ZFS filesystem.
6305 */
6306static int
6307zfs_do_unshare(int argc, char **argv)
6308{
6309 return (unshare_unmount(OP_SHARE, argc, argv));
6310}
6311
34dc7c2f
BB		 6312static int
6313find_command_idx(char *command, int *idx)
6314{
6315 int i;
6316
6317 for (i = 0; i < NCOMMAND; i++) {
6318 if (command_table[i].name == NULL)
6319 continue;
6320
6321 if (strcmp(command, command_table[i].name) == 0) {
6322 *idx = i;
6323 return (0);
6324 }
6325 }
6326 return (1);
6327}
6328
572e2857
BB		 6329static int
6330zfs_do_diff(int argc, char **argv)
6331{
6332 zfs_handle_t *zhp;
6333 int flags = 0;
6334 char *tosnap = NULL;
6335 char *fromsnap = NULL;
6336 char *atp, *copy;
ad60af8e 6337 int err = 0;
572e2857
BB		 6338 int c;
6339
6340 while ((c = getopt(argc, argv, "FHt")) != -1) {
6341 switch (c) {
6342 case 'F':
6343 flags |= ZFS_DIFF_CLASSIFY;
6344 break;
6345 case 'H':
6346 flags |= ZFS_DIFF_PARSEABLE;
6347 break;
6348 case 't':
6349 flags |= ZFS_DIFF_TIMESTAMP;
6350 break;
6351 default:
6352 (void) fprintf(stderr,
6353 gettext("invalid option '%c'\n"), optopt);
6354 usage(B_FALSE);
6355 }
6356 }
6357
6358 argc -= optind;
6359 argv += optind;
6360
6361 if (argc < 1) {
6362 (void) fprintf(stderr,
6363 gettext("must provide at least one snapshot name\n"));
6364 usage(B_FALSE);
6365 }
6366
6367 if (argc > 2) {
6368 (void) fprintf(stderr, gettext("too many arguments\n"));
6369 usage(B_FALSE);
6370 }
6371
6372 fromsnap = argv[0];
6373 tosnap = (argc == 2) ? argv[1] : NULL;
6374
6375 copy = NULL;
6376 if (*fromsnap != '@')
6377 copy = strdup(fromsnap);
6378 else if (tosnap)
6379 copy = strdup(tosnap);
6380 if (copy == NULL)
6381 usage(B_FALSE);
6382
c65aa5b2 6383 if ((atp = strchr(copy, '@')))
572e2857
BB		 6384 *atp = '\0';
6385
6386 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL)
6387 return (1);
6388
6389 free(copy);
6390
6391 /*
6392 * Ignore SIGPIPE so that the library can give us
6393 * information on any failure
6394 */
6395 (void) sigignore(SIGPIPE);
6396
6397 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
6398
6399 zfs_close(zhp);
6400
6401 return (err != 0);
6402}
6403
34dc7c2f
BB		 6404int
6405main(int argc, char **argv)
6406{
ad60af8e 6407 int ret = 0;
d4ed6673 6408 int i = 0;
34dc7c2f
BB		 6409 char *cmdname;
6410
6411 (void) setlocale(LC_ALL, "");
6412 (void) textdomain(TEXT_DOMAIN);
6413
6414 opterr = 0;
6415
34dc7c2f 6416 /*
d53368f6 6417 * Make sure the user has specified some command.
34dc7c2f 6418 */
d53368f6
BB		 6419 if (argc < 2) {
6420 (void) fprintf(stderr, gettext("missing command\n"));
6421 usage(B_FALSE);
6422 }
34dc7c2f 6423
d53368f6 6424 cmdname = argv[1];
34dc7c2f 6425
d53368f6
BB		 6426 /*
6427 * The 'umount' command is an alias for 'unmount'
6428 */
6429 if (strcmp(cmdname, "umount") == 0)
6430 cmdname = "unmount";
34dc7c2f 6431
d53368f6
BB		 6432 /*
6433 * The 'recv' command is an alias for 'receive'
6434 */
6435 if (strcmp(cmdname, "recv") == 0)
6436 cmdname = "receive";
34dc7c2f 6437
10b75496
S		 6438 /*
6439 * The 'snap' command is an alias for 'snapshot'
6440 */
6441 if (strcmp(cmdname, "snap") == 0)
6442 cmdname = "snapshot";
6443
d53368f6
BB		 6444 /*
6445 * Special case '-?'
6446 */
6447 if ((strcmp(cmdname, "-?") == 0) ||
6448 (strcmp(cmdname, "--help") == 0))
6449 usage(B_TRUE);
34dc7c2f 6450
d53368f6
BB		 6451 if ((g_zfs = libzfs_init()) == NULL)
6452 return (1);
9b020fd9 6453
0bc7a7a7
TF		 6454 mnttab_file = g_zfs->libzfs_mnttab;
6455
6f1ffb06 6456 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
9b020fd9 6457
d53368f6 6458 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 6459
d53368f6
BB		 6460 /*
6461 * Run the appropriate command.
6462 */
b740d602 6463 libzfs_mnttab_cache(g_zfs, B_FALSE);
d53368f6
BB		 6464 if (find_command_idx(cmdname, &i) == 0) {
6465 current_command = &command_table[i];
6466 ret = command_table[i].func(argc - 1, argv + 1);
6467 } else if (strchr(cmdname, '=') != NULL) {
6468 verify(find_command_idx("set", &i) == 0);
6469 current_command = &command_table[i];
6470 ret = command_table[i].func(argc, argv);
6471 } else {
6472 (void) fprintf(stderr, gettext("unrecognized "
6473 "command '%s'\n"), cmdname);
6474 usage(B_FALSE);
6475 ret = 1;
34dc7c2f 6476 }
d53368f6 6477 libzfs_fini(g_zfs);
34dc7c2f 6478
6f1ffb06
MA		 6479 if (ret == 0 && log_history)
6480 (void) zpool_log_history(g_zfs, history_str);
6481
34dc7c2f
BB		 6482 /*
6483 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
6484 * for the purposes of running ::findleaks.
6485 */
6486 if (getenv("ZFS_ABORT") != NULL) {
6487 (void) printf("dumping core by request\n");
6488 abort();
6489 }
6490
6491 return (ret);
6492}
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