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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.
2820bc49 24 * Copyright (c) 2013 by Delphix. All rights reserved.
37abac6d 25 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
95fd54a1 26 * Copyright (c) 2013 Steven Hartland. All rights reserved.
54d5378f 27 * Copyright 2013 Nexenta Systems, Inc. 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:
54d5378f
YP		 237 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] "
238 "[-s property]...\n\t [-S property]... [-t type[,...]] "
157c9b69 239 "[filesystem|volume|snapshot] ...\n"));
34dc7c2f
BB		 240 case HELP_MOUNT:
241 return (gettext("\tmount\n"
242 "\tmount [-vO] [-o opts] <-a | filesystem>\n"));
243 case HELP_PROMOTE:
244 return (gettext("\tpromote <clone-filesystem>\n"));
245 case HELP_RECEIVE:
428870ff 246 return (gettext("\treceive [-vnFu] <filesystem|volume|"
34dc7c2f 247 "snapshot>\n"
428870ff 248 "\treceive [-vnFu] [-d | -e] <filesystem>\n"));
34dc7c2f 249 case HELP_RENAME:
db49968e 250 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
34dc7c2f 251 "<filesystem|volume|snapshot>\n"
db49968e 252 "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n"
34dc7c2f
BB		 253 "\trename -r <snapshot> <snapshot>"));
254 case HELP_ROLLBACK:
255 return (gettext("\trollback [-rRf] <snapshot>\n"));
256 case HELP_SEND:
330d06f9
MA		 257 return (gettext("\tsend [-DnPpRrv] [-[iI] snapshot] "
258 "<snapshot>\n"));
34dc7c2f
BB		 259 case HELP_SET:
260 return (gettext("\tset <property=value> "
b128c09f 261 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 262 case HELP_SHARE:
263 return (gettext("\tshare <-a | filesystem>\n"));
264 case HELP_SNAPSHOT:
10b75496 265 return (gettext("\tsnapshot|snap [-r] [-o property=value] ... "
6f1ffb06 266 "<filesystem@snapname|volume@snapname> ...\n"));
34dc7c2f
BB		 267 case HELP_UNMOUNT:
268 return (gettext("\tunmount [-f] "
269 "<-a | filesystem|mountpoint>\n"));
270 case HELP_UNSHARE:
45d1cae3 271 return (gettext("\tunshare "
34dc7c2f
BB		 272 "<-a | filesystem|mountpoint>\n"));
273 case HELP_ALLOW:
9babb374
BB		 274 return (gettext("\tallow <filesystem|volume>\n"
275 "\tallow [-ldug] "
34dc7c2f
BB		 276 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
277 "\t <filesystem|volume>\n"
278 "\tallow [-ld] -e <perm|@setname>[,...] "
279 "<filesystem|volume>\n"
280 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
281 "\tallow -s @setname <perm|@setname>[,...] "
282 "<filesystem|volume>\n"));
283 case HELP_UNALLOW:
284 return (gettext("\tunallow [-rldug] "
285 "<\"everyone\"|user|group>[,...]\n"
286 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
287 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
288 "<filesystem|volume>\n"
289 "\tunallow [-r] -c [<perm|@setname>[,...]] "
290 "<filesystem|volume>\n"
291 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
292 "<filesystem|volume>\n"));
9babb374 293 case HELP_USERSPACE:
5990da81 294 return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
54d5378f
YP		 295 "[-s field]...\n\t [-S field]... [-t type[,...]] "
296 "<filesystem|snapshot>\n"));
9babb374 297 case HELP_GROUPSPACE:
5990da81 298 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
54d5378f
YP		 299 "[-s field]...\n\t [-S field]... [-t type[,...]] "
300 "<filesystem|snapshot>\n"));
45d1cae3
BB		 301 case HELP_HOLD:
302 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
303 case HELP_HOLDS:
304 return (gettext("\tholds [-r] <snapshot> ...\n"));
305 case HELP_RELEASE:
306 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
572e2857
BB		 307 case HELP_DIFF:
308 return (gettext("\tdiff [-FHt] <snapshot> "
309 "[snapshot|filesystem]\n"));
34dc7c2f
BB		 310 }
311
312 abort();
313 /* NOTREACHED */
314}
315
428870ff
BB		 316void
317nomem(void)
318{
319 (void) fprintf(stderr, gettext("internal error: out of memory\n"));
320 exit(1);
321}
322
34dc7c2f
BB		 323/*
324 * Utility function to guarantee malloc() success.
325 */
428870ff 326
34dc7c2f
BB		 327void *
328safe_malloc(size_t size)
329{
330 void *data;
331
428870ff
BB		 332 if ((data = calloc(1, size)) == NULL)
333 nomem();
34dc7c2f
BB		 334
335 return (data);
336}
337
428870ff
BB		 338static char *
339safe_strdup(char *str)
340{
341 char *dupstr = strdup(str);
342
343 if (dupstr == NULL)
344 nomem();
345
346 return (dupstr);
347}
348
34dc7c2f
BB		 349/*
350 * Callback routine that will print out information for each of
351 * the properties.
352 */
353static int
354usage_prop_cb(int prop, void *cb)
355{
356 FILE *fp = cb;
357
b128c09f 358 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
34dc7c2f 359
b128c09f
BB		 360 if (zfs_prop_readonly(prop))
361 (void) fprintf(fp, " NO ");
34dc7c2f 362 else
b128c09f 363 (void) fprintf(fp, "YES ");
34dc7c2f
BB		 364
365 if (zfs_prop_inheritable(prop))
366 (void) fprintf(fp, " YES ");
367 else
368 (void) fprintf(fp, " NO ");
369
370 if (zfs_prop_values(prop) == NULL)
371 (void) fprintf(fp, "-\n");
372 else
373 (void) fprintf(fp, "%s\n", zfs_prop_values(prop));
374
375 return (ZPROP_CONT);
376}
377
378/*
379 * Display usage message. If we're inside a command, display only the usage for
380 * that command. Otherwise, iterate over the entire command table and display
381 * a complete usage message.
382 */
383static void
384usage(boolean_t requested)
385{
386 int i;
387 boolean_t show_properties = B_FALSE;
34dc7c2f
BB		 388 FILE *fp = requested ? stdout : stderr;
389
390 if (current_command == NULL) {
391
392 (void) fprintf(fp, gettext("usage: zfs command args ...\n"));
393 (void) fprintf(fp,
394 gettext("where 'command' is one of the following:\n\n"));
395
396 for (i = 0; i < NCOMMAND; i++) {
397 if (command_table[i].name == NULL)
398 (void) fprintf(fp, "\n");
399 else
400 (void) fprintf(fp, "%s",
401 get_usage(command_table[i].usage));
402 }
403
404 (void) fprintf(fp, gettext("\nEach dataset is of the form: "
405 "pool/[dataset/]*dataset[@name]\n"));
406 } else {
407 (void) fprintf(fp, gettext("usage:\n"));
408 (void) fprintf(fp, "%s", get_usage(current_command->usage));
409 }
410
411 if (current_command != NULL &&
412 (strcmp(current_command->name, "set") == 0 ||
413 strcmp(current_command->name, "get") == 0 ||
414 strcmp(current_command->name, "inherit") == 0 ||
415 strcmp(current_command->name, "list") == 0))
416 show_properties = B_TRUE;
417
34dc7c2f 418 if (show_properties) {
34dc7c2f
BB		 419 (void) fprintf(fp,
420 gettext("\nThe following properties are supported:\n"));
421
422 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
423 "PROPERTY", "EDIT", "INHERIT", "VALUES");
424
425 /* Iterate over all properties */
426 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
427 ZFS_TYPE_DATASET);
428
9babb374
BB		 429 (void) fprintf(fp, "\t%-15s ", "userused@...");
430 (void) fprintf(fp, " NO NO <size>\n");
431 (void) fprintf(fp, "\t%-15s ", "groupused@...");
432 (void) fprintf(fp, " NO NO <size>\n");
433 (void) fprintf(fp, "\t%-15s ", "userquota@...");
434 (void) fprintf(fp, "YES NO <size> | none\n");
435 (void) fprintf(fp, "\t%-15s ", "groupquota@...");
436 (void) fprintf(fp, "YES NO <size> | none\n");
330d06f9
MA		 437 (void) fprintf(fp, "\t%-15s ", "written@<snap>");
438 (void) fprintf(fp, " NO NO <size>\n");
9babb374 439
34dc7c2f
BB		 440 (void) fprintf(fp, gettext("\nSizes are specified in bytes "
441 "with standard units such as K, M, G, etc.\n"));
b128c09f 442 (void) fprintf(fp, gettext("\nUser-defined properties can "
34dc7c2f 443 "be specified by using a name containing a colon (:).\n"));
9babb374
BB		 444 (void) fprintf(fp, gettext("\nThe {user|group}{used|quota}@ "
445 "properties must be appended with\n"
446 "a user or group specifier of one of these forms:\n"
447 " POSIX name (eg: \"matt\")\n"
448 " POSIX id (eg: \"126829\")\n"
449 " SMB name@domain (eg: \"matt@sun\")\n"
450 " SMB SID (eg: \"S-1-234-567-89\")\n"));
34dc7c2f 451 } else {
34dc7c2f 452 (void) fprintf(fp,
fb5f0bc8
BB		 453 gettext("\nFor the property list, run: %s\n"),
454 "zfs set|get");
34dc7c2f 455 (void) fprintf(fp,
fb5f0bc8
BB		 456 gettext("\nFor the delegated permission list, run: %s\n"),
457 "zfs allow|unallow");
34dc7c2f
BB		 458 }
459
460 /*
461 * See comments at end of main().
462 */
463 if (getenv("ZFS_ABORT") != NULL) {
464 (void) printf("dumping core by request\n");
465 abort();
466 }
467
468 exit(requested ? 0 : 2);
469}
470
b128c09f
BB		 471static int
472parseprop(nvlist_t *props)
473{
474 char *propname = optarg;
475 char *propval, *strval;
476
477 if ((propval = strchr(propname, '=')) == NULL) {
478 (void) fprintf(stderr, gettext("missing "
479 "'=' for -o option\n"));
480 return (-1);
481 }
482 *propval = '\0';
483 propval++;
484 if (nvlist_lookup_string(props, propname, &strval) == 0) {
485 (void) fprintf(stderr, gettext("property '%s' "
486 "specified multiple times\n"), propname);
487 return (-1);
488 }
428870ff
BB		 489 if (nvlist_add_string(props, propname, propval) != 0)
490 nomem();
b128c09f 491 return (0);
b128c09f
BB		 492}
493
9babb374
BB		 494static int
495parse_depth(char *opt, int *flags)
496{
497 char *tmp;
498 int depth;
499
500 depth = (int)strtol(opt, &tmp, 0);
501 if (*tmp) {
502 (void) fprintf(stderr,
503 gettext("%s is not an integer\n"), optarg);
504 usage(B_FALSE);
505 }
506 if (depth < 0) {
507 (void) fprintf(stderr,
508 gettext("Depth can not be negative.\n"));
509 usage(B_FALSE);
510 }
511 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
512 return (depth);
513}
514
428870ff
BB		 515#define PROGRESS_DELAY 2 /* seconds */
516
517static 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";
518static time_t pt_begin;
519static char *pt_header = NULL;
520static boolean_t pt_shown;
521
522static void
523start_progress_timer(void)
524{
525 pt_begin = time(NULL) + PROGRESS_DELAY;
526 pt_shown = B_FALSE;
527}
528
529static void
530set_progress_header(char *header)
531{
532 assert(pt_header == NULL);
533 pt_header = safe_strdup(header);
534 if (pt_shown) {
535 (void) printf("%s: ", header);
536 (void) fflush(stdout);
537 }
538}
539
540static void
541update_progress(char *update)
542{
543 if (!pt_shown && time(NULL) > pt_begin) {
544 int len = strlen(update);
545
546 (void) printf("%s: %s%*.*s", pt_header, update, len, len,
547 pt_reverse);
548 (void) fflush(stdout);
549 pt_shown = B_TRUE;
550 } else if (pt_shown) {
551 int len = strlen(update);
552
553 (void) printf("%s%*.*s", update, len, len, pt_reverse);
554 (void) fflush(stdout);
555 }
556}
557
558static void
559finish_progress(char *done)
560{
561 if (pt_shown) {
562 (void) printf("%s\n", done);
563 (void) fflush(stdout);
564 }
565 free(pt_header);
566 pt_header = NULL;
567}
d603ed6c 568
34dc7c2f 569/*
b128c09f 570 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
34dc7c2f
BB		 571 *
572 * Given an existing dataset, create a writable copy whose initial contents
573 * are the same as the source. The newly created dataset maintains a
574 * dependency on the original; the original cannot be destroyed so long as
575 * the clone exists.
576 *
577 * The '-p' flag creates all the non-existing ancestors of the target first.
578 */
579static int
580zfs_do_clone(int argc, char **argv)
581{
b128c09f 582 zfs_handle_t *zhp = NULL;
34dc7c2f 583 boolean_t parents = B_FALSE;
b128c09f 584 nvlist_t *props;
ad60af8e 585 int ret = 0;
34dc7c2f
BB		 586 int c;
587
428870ff
BB		 588 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
589 nomem();
b128c09f 590
34dc7c2f 591 /* check options */
b128c09f 592 while ((c = getopt(argc, argv, "o:p")) != -1) {
34dc7c2f 593 switch (c) {
b128c09f
BB		 594 case 'o':
595 if (parseprop(props))
596 return (1);
597 break;
34dc7c2f
BB		 598 case 'p':
599 parents = B_TRUE;
600 break;
601 case '?':
602 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
603 optopt);
b128c09f 604 goto usage;
34dc7c2f
BB		 605 }
606 }
607
608 argc -= optind;
609 argv += optind;
610
611 /* check number of arguments */
612 if (argc < 1) {
613 (void) fprintf(stderr, gettext("missing source dataset "
614 "argument\n"));
b128c09f 615 goto usage;
34dc7c2f
BB		 616 }
617 if (argc < 2) {
618 (void) fprintf(stderr, gettext("missing target dataset "
619 "argument\n"));
b128c09f 620 goto usage;
34dc7c2f
BB		 621 }
622 if (argc > 2) {
623 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 624 goto usage;
34dc7c2f
BB		 625 }
626
627 /* open the source dataset */
628 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
629 return (1);
630
631 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
632 ZFS_TYPE_VOLUME)) {
633 /*
634 * Now create the ancestors of the target dataset. If the
635 * target already exists and '-p' option was used we should not
636 * complain.
637 */
638 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
639 ZFS_TYPE_VOLUME))
640 return (0);
641 if (zfs_create_ancestors(g_zfs, argv[1]) != 0)
642 return (1);
643 }
644
645 /* pass to libzfs */
b128c09f 646 ret = zfs_clone(zhp, argv[1], props);
34dc7c2f
BB		 647
648 /* create the mountpoint if necessary */
649 if (ret == 0) {
650 zfs_handle_t *clone;
651
652 clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET);
653 if (clone != NULL) {
572e2857
BB		 654 if (zfs_get_type(clone) != ZFS_TYPE_VOLUME)
655 if ((ret = zfs_mount(clone, NULL, 0)) == 0)
656 ret = zfs_share(clone);
34dc7c2f
BB		 657 zfs_close(clone);
658 }
659 }
660
661 zfs_close(zhp);
b128c09f 662 nvlist_free(props);
34dc7c2f 663
b128c09f
BB		 664 return (!!ret);
665
666usage:
667 if (zhp)
668 zfs_close(zhp);
669 nvlist_free(props);
670 usage(B_FALSE);
671 return (-1);
34dc7c2f
BB		 672}
673
674/*
675 * zfs create [-p] [-o prop=value] ... fs
676 * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size
677 *
678 * Create a new dataset. This command can be used to create filesystems
679 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
680 * For volumes, the user must specify a size to be used.
681 *
682 * The '-s' flag applies only to volumes, and indicates that we should not try
683 * to set the reservation for this volume. By default we set a reservation
684 * equal to the size for any volume. For pools with SPA_VERSION >=
685 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
686 *
687 * The '-p' flag creates all the non-existing ancestors of the target first.
688 */
689static int
690zfs_do_create(int argc, char **argv)
691{
692 zfs_type_t type = ZFS_TYPE_FILESYSTEM;
693 zfs_handle_t *zhp = NULL;
d4ed6673 694 uint64_t volsize = 0;
34dc7c2f
BB		 695 int c;
696 boolean_t noreserve = B_FALSE;
697 boolean_t bflag = B_FALSE;
698 boolean_t parents = B_FALSE;
699 int ret = 1;
b128c09f 700 nvlist_t *props;
34dc7c2f 701 uint64_t intval;
572e2857 702 int canmount = ZFS_CANMOUNT_OFF;
34dc7c2f 703
428870ff
BB		 704 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
705 nomem();
34dc7c2f
BB		 706
707 /* check options */
708 while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) {
709 switch (c) {
710 case 'V':
711 type = ZFS_TYPE_VOLUME;
712 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
713 (void) fprintf(stderr, gettext("bad volume "
714 "size '%s': %s\n"), optarg,
715 libzfs_error_description(g_zfs));
716 goto error;
717 }
718
719 if (nvlist_add_uint64(props,
428870ff
BB		 720 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
721 nomem();
34dc7c2f
BB		 722 volsize = intval;
723 break;
724 case 'p':
725 parents = B_TRUE;
726 break;
727 case 'b':
728 bflag = B_TRUE;
729 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
730 (void) fprintf(stderr, gettext("bad volume "
731 "block size '%s': %s\n"), optarg,
732 libzfs_error_description(g_zfs));
733 goto error;
734 }
735
736 if (nvlist_add_uint64(props,
737 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
428870ff
BB		 738 intval) != 0)
739 nomem();
34dc7c2f
BB		 740 break;
741 case 'o':
b128c09f 742 if (parseprop(props))
34dc7c2f 743 goto error;
34dc7c2f
BB		 744 break;
745 case 's':
746 noreserve = B_TRUE;
747 break;
748 case ':':
749 (void) fprintf(stderr, gettext("missing size "
750 "argument\n"));
751 goto badusage;
752 break;
753 case '?':
754 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
755 optopt);
756 goto badusage;
757 }
758 }
759
760 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
761 (void) fprintf(stderr, gettext("'-s' and '-b' can only be "
762 "used when creating a volume\n"));
763 goto badusage;
764 }
765
766 argc -= optind;
767 argv += optind;
768
769 /* check number of arguments */
770 if (argc == 0) {
771 (void) fprintf(stderr, gettext("missing %s argument\n"),
772 zfs_type_to_name(type));
773 goto badusage;
774 }
775 if (argc > 1) {
776 (void) fprintf(stderr, gettext("too many arguments\n"));
777 goto badusage;
778 }
779
780 if (type == ZFS_TYPE_VOLUME && !noreserve) {
781 zpool_handle_t *zpool_handle;
782 uint64_t spa_version;
783 char *p;
784 zfs_prop_t resv_prop;
b128c09f 785 char *strval;
34dc7c2f 786
c65aa5b2 787 if ((p = strchr(argv[0], '/')))
34dc7c2f
BB		 788 *p = '\0';
789 zpool_handle = zpool_open(g_zfs, argv[0]);
790 if (p != NULL)
791 *p = '/';
792 if (zpool_handle == NULL)
793 goto error;
794 spa_version = zpool_get_prop_int(zpool_handle,
795 ZPOOL_PROP_VERSION, NULL);
796 zpool_close(zpool_handle);
797 if (spa_version >= SPA_VERSION_REFRESERVATION)
798 resv_prop = ZFS_PROP_REFRESERVATION;
799 else
800 resv_prop = ZFS_PROP_RESERVATION;
428870ff 801 volsize = zvol_volsize_to_reservation(volsize, props);
34dc7c2f
BB		 802
803 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
804 &strval) != 0) {
805 if (nvlist_add_uint64(props,
806 zfs_prop_to_name(resv_prop), volsize) != 0) {
34dc7c2f 807 nvlist_free(props);
428870ff 808 nomem();
34dc7c2f
BB		 809 }
810 }
811 }
812
813 if (parents && zfs_name_valid(argv[0], type)) {
814 /*
815 * Now create the ancestors of target dataset. If the target
816 * already exists and '-p' option was used we should not
817 * complain.
818 */
819 if (zfs_dataset_exists(g_zfs, argv[0], type)) {
820 ret = 0;
821 goto error;
822 }
823 if (zfs_create_ancestors(g_zfs, argv[0]) != 0)
824 goto error;
825 }
826
827 /* pass to libzfs */
828 if (zfs_create(g_zfs, argv[0], type, props) != 0)
829 goto error;
830
831 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
832 goto error;
572e2857
BB		 833
834 ret = 0;
34dc7c2f
BB		 835 /*
836 * if the user doesn't want the dataset automatically mounted,
837 * then skip the mount/share step
838 */
572e2857
BB		 839 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type))
840 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
34dc7c2f
BB		 841
842 /*
843 * Mount and/or share the new filesystem as appropriate. We provide a
844 * verbose error message to let the user know that their filesystem was
845 * in fact created, even if we failed to mount or share it.
846 */
34dc7c2f
BB		 847 if (canmount == ZFS_CANMOUNT_ON) {
848 if (zfs_mount(zhp, NULL, 0) != 0) {
849 (void) fprintf(stderr, gettext("filesystem "
850 "successfully created, but not mounted\n"));
851 ret = 1;
852 } else if (zfs_share(zhp) != 0) {
853 (void) fprintf(stderr, gettext("filesystem "
854 "successfully created, but not shared\n"));
855 ret = 1;
856 }
857 }
858
859error:
860 if (zhp)
861 zfs_close(zhp);
862 nvlist_free(props);
863 return (ret);
864badusage:
865 nvlist_free(props);
866 usage(B_FALSE);
867 return (2);
868}
869
870/*
428870ff
BB		 871 * zfs destroy [-rRf] <fs, vol>
872 * zfs destroy [-rRd] <snap>
34dc7c2f 873 *
428870ff
BB		 874 * -r Recursively destroy all children
875 * -R Recursively destroy all dependents, including clones
876 * -f Force unmounting of any dependents
45d1cae3 877 * -d If we can't destroy now, mark for deferred destruction
34dc7c2f
BB		 878 *
879 * Destroys the given dataset. By default, it will unmount any filesystems,
880 * and refuse to destroy a dataset that has any dependents. A dependent can
881 * either be a child, or a clone of a child.
882 */
883typedef struct destroy_cbdata {
884 boolean_t cb_first;
330d06f9
MA		 885 boolean_t cb_force;
886 boolean_t cb_recurse;
887 boolean_t cb_error;
888 boolean_t cb_doclones;
34dc7c2f 889 zfs_handle_t *cb_target;
45d1cae3 890 boolean_t cb_defer_destroy;
330d06f9
MA		 891 boolean_t cb_verbose;
892 boolean_t cb_parsable;
893 boolean_t cb_dryrun;
894 nvlist_t *cb_nvl;
13fe0198 895 nvlist_t *cb_batchedsnaps;
330d06f9
MA		 896
897 /* first snap in contiguous run */
6f1ffb06 898 char *cb_firstsnap;
330d06f9 899 /* previous snap in contiguous run */
6f1ffb06 900 char *cb_prevsnap;
330d06f9
MA		 901 int64_t cb_snapused;
902 char *cb_snapspec;
34dc7c2f
BB		 903} destroy_cbdata_t;
904
905/*
906 * Check for any dependents based on the '-r' or '-R' flags.
907 */
908static int
909destroy_check_dependent(zfs_handle_t *zhp, void *data)
910{
911 destroy_cbdata_t *cbp = data;
912 const char *tname = zfs_get_name(cbp->cb_target);
913 const char *name = zfs_get_name(zhp);
914
915 if (strncmp(tname, name, strlen(tname)) == 0 &&
916 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
917 /*
918 * This is a direct descendant, not a clone somewhere else in
919 * the hierarchy.
920 */
921 if (cbp->cb_recurse)
922 goto out;
923
924 if (cbp->cb_first) {
925 (void) fprintf(stderr, gettext("cannot destroy '%s': "
926 "%s has children\n"),
927 zfs_get_name(cbp->cb_target),
928 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
929 (void) fprintf(stderr, gettext("use '-r' to destroy "
930 "the following datasets:\n"));
931 cbp->cb_first = B_FALSE;
330d06f9 932 cbp->cb_error = B_TRUE;
34dc7c2f
BB		 933 }
934
935 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
936 } else {
937 /*
938 * This is a clone. We only want to report this if the '-r'
939 * wasn't specified, or the target is a snapshot.
940 */
941 if (!cbp->cb_recurse &&
942 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
943 goto out;
944
945 if (cbp->cb_first) {
946 (void) fprintf(stderr, gettext("cannot destroy '%s': "
947 "%s has dependent clones\n"),
948 zfs_get_name(cbp->cb_target),
949 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
950 (void) fprintf(stderr, gettext("use '-R' to destroy "
951 "the following datasets:\n"));
952 cbp->cb_first = B_FALSE;
330d06f9
MA		 953 cbp->cb_error = B_TRUE;
954 cbp->cb_dryrun = B_TRUE;
34dc7c2f
BB		 955 }
956
957 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
958 }
959
960out:
961 zfs_close(zhp);
962 return (0);
963}
964
965static int
966destroy_callback(zfs_handle_t *zhp, void *data)
967{
330d06f9
MA		 968 destroy_cbdata_t *cb = data;
969 const char *name = zfs_get_name(zhp);
970
971 if (cb->cb_verbose) {
972 if (cb->cb_parsable) {
973 (void) printf("destroy\t%s\n", name);
974 } else if (cb->cb_dryrun) {
975 (void) printf(gettext("would destroy %s\n"),
976 name);
977 } else {
978 (void) printf(gettext("will destroy %s\n"),
979 name);
980 }
981 }
34dc7c2f
BB		 982
983 /*
984 * Ignore pools (which we've already flagged as an error before getting
428870ff 985 * here).
34dc7c2f
BB		 986 */
987 if (strchr(zfs_get_name(zhp), '/') == NULL &&
988 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
989 zfs_close(zhp);
990 return (0);
991 }
13fe0198
MA		 992 if (cb->cb_dryrun) {
993 zfs_close(zhp);
994 return (0);
995 }
996
997 /*
998 * We batch up all contiguous snapshots (even of different
999 * filesystems) and destroy them with one ioctl. We can't
1000 * simply do all snap deletions and then all fs deletions,
1001 * because we must delete a clone before its origin.
1002 */
1003 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) {
1004 fnvlist_add_boolean(cb->cb_batchedsnaps, name);
1005 } else {
1006 int error = zfs_destroy_snaps_nvl(g_zfs,
1007 cb->cb_batchedsnaps, B_FALSE);
1008 fnvlist_free(cb->cb_batchedsnaps);
1009 cb->cb_batchedsnaps = fnvlist_alloc();
34dc7c2f 1010
13fe0198
MA		 1011 if (error != 0 ||
1012 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
330d06f9
MA		 1013 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
1014 zfs_close(zhp);
1015 return (-1);
1016 }
34dc7c2f
BB		 1017 }
1018
1019 zfs_close(zhp);
1020 return (0);
1021}
1022
1023static int
330d06f9 1024destroy_print_cb(zfs_handle_t *zhp, void *arg)
34dc7c2f 1025{
330d06f9
MA		 1026 destroy_cbdata_t *cb = arg;
1027 const char *name = zfs_get_name(zhp);
1028 int err = 0;
1029
1030 if (nvlist_exists(cb->cb_nvl, name)) {
1031 if (cb->cb_firstsnap == NULL)
6f1ffb06 1032 cb->cb_firstsnap = strdup(name);
330d06f9 1033 if (cb->cb_prevsnap != NULL)
6f1ffb06 1034 free(cb->cb_prevsnap);
330d06f9 1035 /* this snap continues the current range */
6f1ffb06
MA		 1036 cb->cb_prevsnap = strdup(name);
1037 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL)
1038 nomem();
330d06f9
MA		 1039 if (cb->cb_verbose) {
1040 if (cb->cb_parsable) {
1041 (void) printf("destroy\t%s\n", name);
1042 } else if (cb->cb_dryrun) {
1043 (void) printf(gettext("would destroy %s\n"),
1044 name);
1045 } else {
1046 (void) printf(gettext("will destroy %s\n"),
1047 name);
1048 }
34dc7c2f 1049 }
330d06f9
MA		 1050 } else if (cb->cb_firstsnap != NULL) {
1051 /* end of this range */
1052 uint64_t used = 0;
6f1ffb06 1053 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1054 cb->cb_prevsnap, &used);
1055 cb->cb_snapused += used;
6f1ffb06 1056 free(cb->cb_firstsnap);
330d06f9 1057 cb->cb_firstsnap = NULL;
6f1ffb06 1058 free(cb->cb_prevsnap);
330d06f9 1059 cb->cb_prevsnap = NULL;
34dc7c2f 1060 }
330d06f9
MA		 1061 zfs_close(zhp);
1062 return (err);
1063}
34dc7c2f 1064
330d06f9
MA		 1065static int
1066destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
1067{
1068 int err;
1069 assert(cb->cb_firstsnap == NULL);
1070 assert(cb->cb_prevsnap == NULL);
1071 err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb);
1072 if (cb->cb_firstsnap != NULL) {
1073 uint64_t used = 0;
1074 if (err == 0) {
6f1ffb06 1075 err = lzc_snaprange_space(cb->cb_firstsnap,
330d06f9
MA		 1076 cb->cb_prevsnap, &used);
1077 }
1078 cb->cb_snapused += used;
6f1ffb06 1079 free(cb->cb_firstsnap);
330d06f9 1080 cb->cb_firstsnap = NULL;
6f1ffb06 1081 free(cb->cb_prevsnap);
330d06f9
MA		 1082 cb->cb_prevsnap = NULL;
1083 }
1084 return (err);
1085}
1086
1087static int
1088snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
1089{
1090 destroy_cbdata_t *cb = arg;
1091 int err = 0;
1092
1093 /* Check for clones. */
e956d651 1094 if (!cb->cb_doclones && !cb->cb_defer_destroy) {
330d06f9
MA		 1095 cb->cb_target = zhp;
1096 cb->cb_first = B_TRUE;
1097 err = zfs_iter_dependents(zhp, B_TRUE,
1098 destroy_check_dependent, cb);
1099 }
1100
1101 if (err == 0) {
1102 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
1103 nomem();
1104 }
1105 zfs_close(zhp);
1106 return (err);
1107}
1108
1109static int
1110gather_snapshots(zfs_handle_t *zhp, void *arg)
1111{
1112 destroy_cbdata_t *cb = arg;
1113 int err = 0;
1114
1115 err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb);
1116 if (err == ENOENT)
1117 err = 0;
1118 if (err != 0)
1119 goto out;
1120
1121 if (cb->cb_verbose) {
1122 err = destroy_print_snapshots(zhp, cb);
1123 if (err != 0)
1124 goto out;
1125 }
1126
1127 if (cb->cb_recurse)
1128 err = zfs_iter_filesystems(zhp, gather_snapshots, cb);
1129
1130out:
1131 zfs_close(zhp);
1132 return (err);
1133}
1134
1135static int
1136destroy_clones(destroy_cbdata_t *cb)
1137{
1138 nvpair_t *pair;
1139 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
1140 pair != NULL;
1141 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
1142 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
1143 ZFS_TYPE_SNAPSHOT);
1144 if (zhp != NULL) {
1145 boolean_t defer = cb->cb_defer_destroy;
1146 int err;
1147
1148 /*
1149 * We can't defer destroy non-snapshots, so set it to
1150 * false while destroying the clones.
1151 */
1152 cb->cb_defer_destroy = B_FALSE;
1153 err = zfs_iter_dependents(zhp, B_FALSE,
1154 destroy_callback, cb);
1155 cb->cb_defer_destroy = defer;
1156 zfs_close(zhp);
1157 if (err != 0)
1158 return (err);
1159 }
1160 }
1161 return (0);
34dc7c2f
BB		 1162}
1163
1164static int
1165zfs_do_destroy(int argc, char **argv)
1166{
1167 destroy_cbdata_t cb = { 0 };
13fe0198
MA		 1168 int rv = 0;
1169 int err = 0;
34dc7c2f 1170 int c;
13fe0198 1171 zfs_handle_t *zhp = NULL;
330d06f9 1172 char *at;
428870ff 1173 zfs_type_t type = ZFS_TYPE_DATASET;
34dc7c2f
BB		 1174
1175 /* check options */
330d06f9 1176 while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
34dc7c2f 1177 switch (c) {
330d06f9
MA		 1178 case 'v':
1179 cb.cb_verbose = B_TRUE;
1180 break;
1181 case 'p':
1182 cb.cb_verbose = B_TRUE;
1183 cb.cb_parsable = B_TRUE;
1184 break;
1185 case 'n':
1186 cb.cb_dryrun = B_TRUE;
1187 break;
45d1cae3
BB		 1188 case 'd':
1189 cb.cb_defer_destroy = B_TRUE;
428870ff 1190 type = ZFS_TYPE_SNAPSHOT;
45d1cae3 1191 break;
34dc7c2f 1192 case 'f':
330d06f9 1193 cb.cb_force = B_TRUE;
34dc7c2f
BB		 1194 break;
1195 case 'r':
330d06f9 1196 cb.cb_recurse = B_TRUE;
34dc7c2f
BB		 1197 break;
1198 case 'R':
330d06f9
MA		 1199 cb.cb_recurse = B_TRUE;
1200 cb.cb_doclones = B_TRUE;
34dc7c2f
BB		 1201 break;
1202 case '?':
1203 default:
1204 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1205 optopt);
1206 usage(B_FALSE);
1207 }
1208 }
1209
1210 argc -= optind;
1211 argv += optind;
1212
1213 /* check number of arguments */
1214 if (argc == 0) {
330d06f9 1215 (void) fprintf(stderr, gettext("missing dataset argument\n"));
34dc7c2f
BB		 1216 usage(B_FALSE);
1217 }
1218 if (argc > 1) {
1219 (void) fprintf(stderr, gettext("too many arguments\n"));
1220 usage(B_FALSE);
1221 }
1222
330d06f9
MA		 1223 at = strchr(argv[0], '@');
1224 if (at != NULL) {
34dc7c2f 1225
330d06f9 1226 /* Build the list of snaps to destroy in cb_nvl. */
13fe0198 1227 cb.cb_nvl = fnvlist_alloc();
330d06f9
MA		 1228
1229 *at = '\0';
1230 zhp = zfs_open(g_zfs, argv[0],
1231 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
1232 if (zhp == NULL)
34dc7c2f 1233 return (1);
34dc7c2f 1234
330d06f9
MA		 1235 cb.cb_snapspec = at + 1;
1236 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
1237 cb.cb_error) {
13fe0198
MA		 1238 rv = 1;
1239 goto out;
330d06f9 1240 }
428870ff 1241
330d06f9
MA		 1242 if (nvlist_empty(cb.cb_nvl)) {
1243 (void) fprintf(stderr, gettext("could not find any "
1244 "snapshots to destroy; check snapshot names.\n"));
13fe0198
MA		 1245 rv = 1;
1246 goto out;
330d06f9
MA		 1247 }
1248
1249 if (cb.cb_verbose) {
1250 char buf[16];
1251 zfs_nicenum(cb.cb_snapused, buf, sizeof (buf));
1252 if (cb.cb_parsable) {
1253 (void) printf("reclaim\t%llu\n",
1254 (u_longlong_t)cb.cb_snapused);
1255 } else if (cb.cb_dryrun) {
1256 (void) printf(gettext("would reclaim %s\n"),
1257 buf);
1258 } else {
1259 (void) printf(gettext("will reclaim %s\n"),
1260 buf);
34dc7c2f
BB		 1261 }
1262 }
1263
330d06f9 1264 if (!cb.cb_dryrun) {
13fe0198
MA		 1265 if (cb.cb_doclones) {
1266 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9 1267 err = destroy_clones(&cb);
13fe0198
MA		 1268 if (err == 0) {
1269 err = zfs_destroy_snaps_nvl(g_zfs,
1270 cb.cb_batchedsnaps, B_FALSE);
1271 }
1272 if (err != 0) {
1273 rv = 1;
1274 goto out;
1275 }
1276 }
330d06f9 1277 if (err == 0) {
13fe0198 1278 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl,
330d06f9
MA		 1279 cb.cb_defer_destroy);
1280 }
34dc7c2f 1281 }
34dc7c2f 1282
330d06f9 1283 if (err != 0)
13fe0198 1284 rv = 1;
330d06f9
MA		 1285 } else {
1286 /* Open the given dataset */
1287 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
1288 return (1);
34dc7c2f 1289
330d06f9 1290 cb.cb_target = zhp;
34dc7c2f 1291
330d06f9
MA		 1292 /*
1293 * Perform an explicit check for pools before going any further.
1294 */
1295 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
1296 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1297 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1298 "operation does not apply to pools\n"),
1299 zfs_get_name(zhp));
1300 (void) fprintf(stderr, gettext("use 'zfs destroy -r "
1301 "%s' to destroy all datasets in the pool\n"),
1302 zfs_get_name(zhp));
1303 (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
1304 "to destroy the pool itself\n"), zfs_get_name(zhp));
13fe0198
MA		 1305 rv = 1;
1306 goto out;
330d06f9 1307 }
34dc7c2f 1308
330d06f9
MA		 1309 /*
1310 * Check for any dependents and/or clones.
1311 */
1312 cb.cb_first = B_TRUE;
1313 if (!cb.cb_doclones &&
1314 zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
1315 &cb) != 0) {
13fe0198
MA		 1316 rv = 1;
1317 goto out;
330d06f9 1318 }
34dc7c2f 1319
330d06f9 1320 if (cb.cb_error) {
13fe0198
MA		 1321 rv = 1;
1322 goto out;
330d06f9 1323 }
34dc7c2f 1324
13fe0198 1325 cb.cb_batchedsnaps = fnvlist_alloc();
330d06f9
MA		 1326 if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback,
1327 &cb) != 0) {
13fe0198
MA		 1328 rv = 1;
1329 goto out;
330d06f9 1330 }
34dc7c2f 1331
330d06f9
MA		 1332 /*
1333 * Do the real thing. The callback will close the
1334 * handle regardless of whether it succeeds or not.
1335 */
13fe0198
MA		 1336 err = destroy_callback(zhp, &cb);
1337 zhp = NULL;
1338 if (err == 0) {
1339 err = zfs_destroy_snaps_nvl(g_zfs,
1340 cb.cb_batchedsnaps, cb.cb_defer_destroy);
1341 }
1342 if (err != 0)
1343 rv = 1;
330d06f9 1344 }
34dc7c2f 1345
13fe0198
MA		 1346out:
1347 fnvlist_free(cb.cb_batchedsnaps);
1348 fnvlist_free(cb.cb_nvl);
1349 if (zhp != NULL)
1350 zfs_close(zhp);
1351 return (rv);
34dc7c2f
BB		 1352}
1353
428870ff
BB		 1354static boolean_t
1355is_recvd_column(zprop_get_cbdata_t *cbp)
1356{
1357 int i;
1358 zfs_get_column_t col;
1359
1360 for (i = 0; i < ZFS_GET_NCOLS &&
1361 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
1362 if (col == GET_COL_RECVD)
1363 return (B_TRUE);
1364 return (B_FALSE);
1365}
1366
34dc7c2f 1367/*
428870ff
BB		 1368 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1369 * < all | property[,property]... > < fs | snap | vol > ...
34dc7c2f
BB		 1370 *
1371 * -r recurse over any child datasets
1372 * -H scripted mode. Headers are stripped, and fields are separated
1373 * by tabs instead of spaces.
428870ff
BB		 1374 * -o Set of fields to display. One of "name,property,value,
1375 * received,source". Default is "name,property,value,source".
1376 * "all" is an alias for all five.
34dc7c2f 1377 * -s Set of sources to allow. One of
428870ff
BB		 1378 * "local,default,inherited,received,temporary,none". Default is
1379 * all six.
34dc7c2f
BB		 1380 * -p Display values in parsable (literal) format.
1381 *
1382 * Prints properties for the given datasets. The user can control which
1383 * columns to display as well as which property types to allow.
1384 */
1385
1386/*
1387 * Invoked to display the properties for a single dataset.
1388 */
1389static int
1390get_callback(zfs_handle_t *zhp, void *data)
1391{
1392 char buf[ZFS_MAXPROPLEN];
428870ff 1393 char rbuf[ZFS_MAXPROPLEN];
34dc7c2f
BB		 1394 zprop_source_t sourcetype;
1395 char source[ZFS_MAXNAMELEN];
1396 zprop_get_cbdata_t *cbp = data;
428870ff 1397 nvlist_t *user_props = zfs_get_user_props(zhp);
34dc7c2f
BB		 1398 zprop_list_t *pl = cbp->cb_proplist;
1399 nvlist_t *propval;
1400 char *strval;
1401 char *sourceval;
428870ff 1402 boolean_t received = is_recvd_column(cbp);
34dc7c2f
BB		 1403
1404 for (; pl != NULL; pl = pl->pl_next) {
428870ff 1405 char *recvdval = NULL;
34dc7c2f
BB		 1406 /*
1407 * Skip the special fake placeholder. This will also skip over
1408 * the name property when 'all' is specified.
1409 */
1410 if (pl->pl_prop == ZFS_PROP_NAME &&
1411 pl == cbp->cb_proplist)
1412 continue;
1413
1414 if (pl->pl_prop != ZPROP_INVAL) {
1415 if (zfs_prop_get(zhp, pl->pl_prop, buf,
1416 sizeof (buf), &sourcetype, source,
1417 sizeof (source),
1418 cbp->cb_literal) != 0) {
1419 if (pl->pl_all)
1420 continue;
1421 if (!zfs_prop_valid_for_type(pl->pl_prop,
1422 ZFS_TYPE_DATASET)) {
1423 (void) fprintf(stderr,
1424 gettext("No such property '%s'\n"),
1425 zfs_prop_to_name(pl->pl_prop));
1426 continue;
1427 }
1428 sourcetype = ZPROP_SRC_NONE;
1429 (void) strlcpy(buf, "-", sizeof (buf));
1430 }
1431
428870ff
BB		 1432 if (received && (zfs_prop_get_recvd(zhp,
1433 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
1434 cbp->cb_literal) == 0))
1435 recvdval = rbuf;
1436
34dc7c2f
BB		 1437 zprop_print_one_property(zfs_get_name(zhp), cbp,
1438 zfs_prop_to_name(pl->pl_prop),
428870ff 1439 buf, sourcetype, source, recvdval);
9babb374
BB		 1440 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
1441 sourcetype = ZPROP_SRC_LOCAL;
1442
1443 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
1444 buf, sizeof (buf), cbp->cb_literal) != 0) {
1445 sourcetype = ZPROP_SRC_NONE;
1446 (void) strlcpy(buf, "-", sizeof (buf));
1447 }
1448
330d06f9
MA		 1449 zprop_print_one_property(zfs_get_name(zhp), cbp,
1450 pl->pl_user_prop, buf, sourcetype, source, NULL);
1451 } else if (zfs_prop_written(pl->pl_user_prop)) {
1452 sourcetype = ZPROP_SRC_LOCAL;
1453
1454 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
1455 buf, sizeof (buf), cbp->cb_literal) != 0) {
1456 sourcetype = ZPROP_SRC_NONE;
1457 (void) strlcpy(buf, "-", sizeof (buf));
1458 }
1459
9babb374 1460 zprop_print_one_property(zfs_get_name(zhp), cbp,
428870ff 1461 pl->pl_user_prop, buf, sourcetype, source, NULL);
34dc7c2f 1462 } else {
428870ff 1463 if (nvlist_lookup_nvlist(user_props,
34dc7c2f
BB		 1464 pl->pl_user_prop, &propval) != 0) {
1465 if (pl->pl_all)
1466 continue;
1467 sourcetype = ZPROP_SRC_NONE;
1468 strval = "-";
1469 } else {
1470 verify(nvlist_lookup_string(propval,
1471 ZPROP_VALUE, &strval) == 0);
1472 verify(nvlist_lookup_string(propval,
1473 ZPROP_SOURCE, &sourceval) == 0);
1474
1475 if (strcmp(sourceval,
1476 zfs_get_name(zhp)) == 0) {
1477 sourcetype = ZPROP_SRC_LOCAL;
428870ff
BB		 1478 } else if (strcmp(sourceval,
1479 ZPROP_SOURCE_VAL_RECVD) == 0) {
1480 sourcetype = ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1481 } else {
1482 sourcetype = ZPROP_SRC_INHERITED;
1483 (void) strlcpy(source,
1484 sourceval, sizeof (source));
1485 }
1486 }
1487
428870ff
BB		 1488 if (received && (zfs_prop_get_recvd(zhp,
1489 pl->pl_user_prop, rbuf, sizeof (rbuf),
1490 cbp->cb_literal) == 0))
1491 recvdval = rbuf;
1492
34dc7c2f
BB		 1493 zprop_print_one_property(zfs_get_name(zhp), cbp,
1494 pl->pl_user_prop, strval, sourcetype,
428870ff 1495 source, recvdval);
34dc7c2f
BB		 1496 }
1497 }
1498
1499 return (0);
1500}
1501
1502static int
1503zfs_do_get(int argc, char **argv)
1504{
1505 zprop_get_cbdata_t cb = { 0 };
bb939d10 1506 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
e346ec25 1507 int types = ZFS_TYPE_DATASET;
34dc7c2f 1508 char *value, *fields;
ad60af8e 1509 int ret = 0;
9babb374 1510 int limit = 0;
34dc7c2f
BB		 1511 zprop_list_t fake_name = { 0 };
1512
1513 /*
1514 * Set up default columns and sources.
1515 */
1516 cb.cb_sources = ZPROP_SRC_ALL;
1517 cb.cb_columns[0] = GET_COL_NAME;
1518 cb.cb_columns[1] = GET_COL_PROPERTY;
1519 cb.cb_columns[2] = GET_COL_VALUE;
1520 cb.cb_columns[3] = GET_COL_SOURCE;
1521 cb.cb_type = ZFS_TYPE_DATASET;
1522
1523 /* check options */
e346ec25 1524 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
34dc7c2f
BB		 1525 switch (c) {
1526 case 'p':
1527 cb.cb_literal = B_TRUE;
1528 break;
9babb374
BB		 1529 case 'd':
1530 limit = parse_depth(optarg, &flags);
1531 break;
34dc7c2f 1532 case 'r':
b128c09f 1533 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 1534 break;
1535 case 'H':
1536 cb.cb_scripted = B_TRUE;
1537 break;
1538 case ':':
1539 (void) fprintf(stderr, gettext("missing argument for "
1540 "'%c' option\n"), optopt);
1541 usage(B_FALSE);
1542 break;
1543 case 'o':
1544 /*
1545 * Process the set of columns to display. We zero out
1546 * the structure to give us a blank slate.
1547 */
1548 bzero(&cb.cb_columns, sizeof (cb.cb_columns));
1549 i = 0;
1550 while (*optarg != '\0') {
1551 static char *col_subopts[] =
428870ff
BB		 1552 { "name", "property", "value", "received",
1553 "source", "all", NULL };
34dc7c2f 1554
428870ff 1555 if (i == ZFS_GET_NCOLS) {
34dc7c2f
BB		 1556 (void) fprintf(stderr, gettext("too "
1557 "many fields given to -o "
1558 "option\n"));
1559 usage(B_FALSE);
1560 }
1561
1562 switch (getsubopt(&optarg, col_subopts,
1563 &value)) {
1564 case 0:
1565 cb.cb_columns[i++] = GET_COL_NAME;
1566 break;
1567 case 1:
1568 cb.cb_columns[i++] = GET_COL_PROPERTY;
1569 break;
1570 case 2:
1571 cb.cb_columns[i++] = GET_COL_VALUE;
1572 break;
1573 case 3:
428870ff
BB		 1574 cb.cb_columns[i++] = GET_COL_RECVD;
1575 flags |= ZFS_ITER_RECVD_PROPS;
1576 break;
1577 case 4:
34dc7c2f
BB		 1578 cb.cb_columns[i++] = GET_COL_SOURCE;
1579 break;
428870ff
BB		 1580 case 5:
1581 if (i > 0) {
1582 (void) fprintf(stderr,
1583 gettext("\"all\" conflicts "
1584 "with specific fields "
1585 "given to -o option\n"));
1586 usage(B_FALSE);
1587 }
1588 cb.cb_columns[0] = GET_COL_NAME;
1589 cb.cb_columns[1] = GET_COL_PROPERTY;
1590 cb.cb_columns[2] = GET_COL_VALUE;
1591 cb.cb_columns[3] = GET_COL_RECVD;
1592 cb.cb_columns[4] = GET_COL_SOURCE;
1593 flags |= ZFS_ITER_RECVD_PROPS;
1594 i = ZFS_GET_NCOLS;
1595 break;
34dc7c2f
BB		 1596 default:
1597 (void) fprintf(stderr,
1598 gettext("invalid column name "
1599 "'%s'\n"), value);
1600 usage(B_FALSE);
1601 }
1602 }
1603 break;
1604
1605 case 's':
1606 cb.cb_sources = 0;
1607 while (*optarg != '\0') {
1608 static char *source_subopts[] = {
1609 "local", "default", "inherited",
428870ff
BB		 1610 "received", "temporary", "none",
1611 NULL };
34dc7c2f
BB		 1612
1613 switch (getsubopt(&optarg, source_subopts,
1614 &value)) {
1615 case 0:
1616 cb.cb_sources |= ZPROP_SRC_LOCAL;
1617 break;
1618 case 1:
1619 cb.cb_sources |= ZPROP_SRC_DEFAULT;
1620 break;
1621 case 2:
1622 cb.cb_sources |= ZPROP_SRC_INHERITED;
1623 break;
1624 case 3:
428870ff 1625 cb.cb_sources |= ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1626 break;
1627 case 4:
428870ff
BB		 1628 cb.cb_sources |= ZPROP_SRC_TEMPORARY;
1629 break;
1630 case 5:
34dc7c2f
BB		 1631 cb.cb_sources |= ZPROP_SRC_NONE;
1632 break;
1633 default:
1634 (void) fprintf(stderr,
1635 gettext("invalid source "
1636 "'%s'\n"), value);
1637 usage(B_FALSE);
1638 }
1639 }
1640 break;
1641
e346ec25
AS		 1642 case 't':
1643 types = 0;
1644 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
1645 while (*optarg != '\0') {
1646 static char *type_subopts[] = { "filesystem",
1647 "volume", "snapshot", "all", NULL };
1648
1649 switch (getsubopt(&optarg, type_subopts,
1650 &value)) {
1651 case 0:
1652 types |= ZFS_TYPE_FILESYSTEM;
1653 break;
1654 case 1:
1655 types |= ZFS_TYPE_VOLUME;
1656 break;
1657 case 2:
1658 types |= ZFS_TYPE_SNAPSHOT;
1659 break;
1660 case 3:
1661 types = ZFS_TYPE_DATASET;
1662 break;
1663
1664 default:
1665 (void) fprintf(stderr,
1666 gettext("invalid type '%s'\n"),
1667 value);
1668 usage(B_FALSE);
1669 }
1670 }
1671 break;
1672
34dc7c2f
BB		 1673 case '?':
1674 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1675 optopt);
1676 usage(B_FALSE);
1677 }
1678 }
1679
1680 argc -= optind;
1681 argv += optind;
1682
1683 if (argc < 1) {
1684 (void) fprintf(stderr, gettext("missing property "
1685 "argument\n"));
1686 usage(B_FALSE);
1687 }
1688
1689 fields = argv[0];
1690
1691 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
1692 != 0)
1693 usage(B_FALSE);
1694
1695 argc--;
1696 argv++;
1697
1698 /*
1699 * As part of zfs_expand_proplist(), we keep track of the maximum column
1700 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
1701 * need to know the maximum name length. However, the user likely did
1702 * not specify 'name' as one of the properties to fetch, so we need to
1703 * make sure we always include at least this property for
1704 * print_get_headers() to work properly.
1705 */
1706 if (cb.cb_proplist != NULL) {
1707 fake_name.pl_prop = ZFS_PROP_NAME;
1708 fake_name.pl_width = strlen(gettext("NAME"));
1709 fake_name.pl_next = cb.cb_proplist;
1710 cb.cb_proplist = &fake_name;
1711 }
1712
1713 cb.cb_first = B_TRUE;
1714
1715 /* run for each object */
e346ec25 1716 ret = zfs_for_each(argc, argv, flags, types, NULL,
9babb374 1717 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 1718
1719 if (cb.cb_proplist == &fake_name)
1720 zprop_free_list(fake_name.pl_next);
1721 else
1722 zprop_free_list(cb.cb_proplist);
1723
1724 return (ret);
1725}
1726
1727/*
428870ff 1728 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 1729 *
428870ff
BB		 1730 * -r Recurse over all children
1731 * -S Revert to received value, if any
34dc7c2f
BB		 1732 *
1733 * For each dataset specified on the command line, inherit the given property
1734 * from its parent. Inheriting a property at the pool level will cause it to
1735 * use the default value. The '-r' flag will recurse over all children, and is
1736 * useful for setting a property on a hierarchy-wide basis, regardless of any
1737 * local modifications for each dataset.
1738 */
1739
428870ff
BB		 1740typedef struct inherit_cbdata {
1741 const char *cb_propname;
1742 boolean_t cb_received;
1743} inherit_cbdata_t;
1744
34dc7c2f 1745static int
b128c09f 1746inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 1747{
428870ff
BB		 1748 inherit_cbdata_t *cb = data;
1749 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 1750
b128c09f
BB		 1751 /*
1752 * If we're doing it recursively, then ignore properties that
1753 * are not valid for this type of dataset.
1754 */
1755 if (prop != ZPROP_INVAL &&
1756 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp)))
1757 return (0);
1758
428870ff 1759 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 1760}
1761
1762static int
1763inherit_cb(zfs_handle_t *zhp, void *data)
1764{
428870ff 1765 inherit_cbdata_t *cb = data;
b128c09f 1766
428870ff 1767 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 1768}
1769
1770static int
1771zfs_do_inherit(int argc, char **argv)
1772{
34dc7c2f
BB		 1773 int c;
1774 zfs_prop_t prop;
428870ff 1775 inherit_cbdata_t cb = { 0 };
34dc7c2f 1776 char *propname;
ad60af8e 1777 int ret = 0;
b128c09f 1778 int flags = 0;
428870ff 1779 boolean_t received = B_FALSE;
34dc7c2f
BB		 1780
1781 /* check options */
428870ff 1782 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 1783 switch (c) {
1784 case 'r':
b128c09f 1785 flags |= ZFS_ITER_RECURSE;
34dc7c2f 1786 break;
428870ff
BB		 1787 case 'S':
1788 received = B_TRUE;
1789 break;
34dc7c2f
BB		 1790 case '?':
1791 default:
1792 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1793 optopt);
1794 usage(B_FALSE);
1795 }
1796 }
1797
1798 argc -= optind;
1799 argv += optind;
1800
1801 /* check number of arguments */
1802 if (argc < 1) {
1803 (void) fprintf(stderr, gettext("missing property argument\n"));
1804 usage(B_FALSE);
1805 }
1806 if (argc < 2) {
1807 (void) fprintf(stderr, gettext("missing dataset argument\n"));
1808 usage(B_FALSE);
1809 }
1810
1811 propname = argv[0];
1812 argc--;
1813 argv++;
1814
1815 if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
1816 if (zfs_prop_readonly(prop)) {
1817 (void) fprintf(stderr, gettext(
1818 "%s property is read-only\n"),
1819 propname);
1820 return (1);
1821 }
428870ff 1822 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 1823 (void) fprintf(stderr, gettext("'%s' property cannot "
1824 "be inherited\n"), propname);
1825 if (prop == ZFS_PROP_QUOTA ||
1826 prop == ZFS_PROP_RESERVATION ||
1827 prop == ZFS_PROP_REFQUOTA ||
1828 prop == ZFS_PROP_REFRESERVATION)
1829 (void) fprintf(stderr, gettext("use 'zfs set "
1830 "%s=none' to clear\n"), propname);
1831 return (1);
1832 }
428870ff
BB		 1833 if (received && (prop == ZFS_PROP_VOLSIZE ||
1834 prop == ZFS_PROP_VERSION)) {
1835 (void) fprintf(stderr, gettext("'%s' property cannot "
1836 "be reverted to a received value\n"), propname);
1837 return (1);
1838 }
34dc7c2f
BB		 1839 } else if (!zfs_prop_user(propname)) {
1840 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
1841 propname);
1842 usage(B_FALSE);
1843 }
1844
428870ff
BB		 1845 cb.cb_propname = propname;
1846 cb.cb_received = received;
1847
b128c09f
BB		 1848 if (flags & ZFS_ITER_RECURSE) {
1849 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 1850 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 1851 } else {
1852 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 1853 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 1854 }
34dc7c2f
BB		 1855
1856 return (ret);
1857}
1858
1859typedef struct upgrade_cbdata {
1860 uint64_t cb_numupgraded;
1861 uint64_t cb_numsamegraded;
1862 uint64_t cb_numfailed;
1863 uint64_t cb_version;
1864 boolean_t cb_newer;
1865 boolean_t cb_foundone;
1866 char cb_lastfs[ZFS_MAXNAMELEN];
1867} upgrade_cbdata_t;
1868
1869static int
1870same_pool(zfs_handle_t *zhp, const char *name)
1871{
1872 int len1 = strcspn(name, "/@");
1873 const char *zhname = zfs_get_name(zhp);
1874 int len2 = strcspn(zhname, "/@");
1875
1876 if (len1 != len2)
1877 return (B_FALSE);
1878 return (strncmp(name, zhname, len1) == 0);
1879}
1880
1881static int
1882upgrade_list_callback(zfs_handle_t *zhp, void *data)
1883{
1884 upgrade_cbdata_t *cb = data;
1885 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
1886
1887 /* list if it's old/new */
1888 if ((!cb->cb_newer && version < ZPL_VERSION) ||
1889 (cb->cb_newer && version > ZPL_VERSION)) {
1890 char *str;
1891 if (cb->cb_newer) {
1892 str = gettext("The following filesystems are "
1893 "formatted using a newer software version and\n"
1894 "cannot be accessed on the current system.\n\n");
1895 } else {
1896 str = gettext("The following filesystems are "
1897 "out of date, and can be upgraded. After being\n"
1898 "upgraded, these filesystems (and any 'zfs send' "
1899 "streams generated from\n"
1900 "subsequent snapshots) will no longer be "
1901 "accessible by older software versions.\n\n");
1902 }
1903
1904 if (!cb->cb_foundone) {
1905 (void) puts(str);
1906 (void) printf(gettext("VER FILESYSTEM\n"));
1907 (void) printf(gettext("--- ------------\n"));
1908 cb->cb_foundone = B_TRUE;
1909 }
1910
1911 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
1912 }
1913
1914 return (0);
1915}
1916
1917static int
1918upgrade_set_callback(zfs_handle_t *zhp, void *data)
1919{
1920 upgrade_cbdata_t *cb = data;
1921 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 1922 int needed_spa_version;
1923 int spa_version;
1924
1925 if (zfs_spa_version(zhp, &spa_version) < 0)
1926 return (-1);
1927
1928 needed_spa_version = zfs_spa_version_map(cb->cb_version);
1929
1930 if (needed_spa_version < 0)
1931 return (-1);
1932
1933 if (spa_version < needed_spa_version) {
1934 /* can't upgrade */
1935 (void) printf(gettext("%s: can not be "
1936 "upgraded; the pool version needs to first "
1937 "be upgraded\nto version %d\n\n"),
1938 zfs_get_name(zhp), needed_spa_version);
1939 cb->cb_numfailed++;
1940 return (0);
34dc7c2f
BB		 1941 }
1942
1943 /* upgrade */
1944 if (version < cb->cb_version) {
1945 char verstr[16];
1946 (void) snprintf(verstr, sizeof (verstr),
b8864a23 1947 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 1948 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
1949 /*
1950 * If they did "zfs upgrade -a", then we could
1951 * be doing ioctls to different pools. We need
6f1ffb06
MA		 1952 * to log this history once to each pool, and bypass
1953 * the normal history logging that happens in main().
34dc7c2f 1954 */
6f1ffb06
MA		 1955 (void) zpool_log_history(g_zfs, history_str);
1956 log_history = B_FALSE;
34dc7c2f
BB		 1957 }
1958 if (zfs_prop_set(zhp, "version", verstr) == 0)
1959 cb->cb_numupgraded++;
1960 else
1961 cb->cb_numfailed++;
1962 (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp));
1963 } else if (version > cb->cb_version) {
1964 /* can't downgrade */
1965 (void) printf(gettext("%s: can not be downgraded; "
1966 "it is already at version %u\n"),
1967 zfs_get_name(zhp), version);
1968 cb->cb_numfailed++;
1969 } else {
1970 cb->cb_numsamegraded++;
1971 }
1972 return (0);
1973}
1974
1975/*
1976 * zfs upgrade
1977 * zfs upgrade -v
1978 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
1979 */
1980static int
1981zfs_do_upgrade(int argc, char **argv)
1982{
34dc7c2f
BB		 1983 boolean_t all = B_FALSE;
1984 boolean_t showversions = B_FALSE;
ad60af8e 1985 int ret = 0;
34dc7c2f 1986 upgrade_cbdata_t cb = { 0 };
b8864a23 1987 signed char c;
b128c09f 1988 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 1989
1990 /* check options */
1991 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
1992 switch (c) {
1993 case 'r':
b128c09f 1994 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 1995 break;
1996 case 'v':
1997 showversions = B_TRUE;
1998 break;
1999 case 'V':
2000 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
2001 optarg, &cb.cb_version) != 0) {
2002 (void) fprintf(stderr,
2003 gettext("invalid version %s\n"), optarg);
2004 usage(B_FALSE);
2005 }
2006 break;
2007 case 'a':
2008 all = B_TRUE;
2009 break;
2010 case '?':
2011 default:
2012 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2013 optopt);
2014 usage(B_FALSE);
2015 }
2016 }
2017
2018 argc -= optind;
2019 argv += optind;
2020
b128c09f 2021 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 2022 usage(B_FALSE);
b128c09f
BB		 2023 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
2024 cb.cb_version || argc))
34dc7c2f
BB		 2025 usage(B_FALSE);
2026 if ((all || argc) && (showversions))
2027 usage(B_FALSE);
2028 if (all && argc)
2029 usage(B_FALSE);
2030
2031 if (showversions) {
2032 /* Show info on available versions. */
2033 (void) printf(gettext("The following filesystem versions are "
2034 "supported:\n\n"));
2035 (void) printf(gettext("VER DESCRIPTION\n"));
2036 (void) printf("--- -----------------------------------------"
2037 "---------------\n");
2038 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2039 (void) printf(gettext(" 2 Enhanced directory entries\n"));
330d06f9
MA		 2040 (void) printf(gettext(" 3 Case insensitive and filesystem "
2041 "user identifier (FUID)\n"));
9babb374
BB		 2042 (void) printf(gettext(" 4 userquota, groupquota "
2043 "properties\n"));
428870ff 2044 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 2045 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 2046 "version, including supported releases,\n"));
2047 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 2048 ret = 0;
2049 } else if (argc || all) {
2050 /* Upgrade filesystems */
2051 if (cb.cb_version == 0)
2052 cb.cb_version = ZPL_VERSION;
b128c09f 2053 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2054 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 2055 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 2056 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 2057 if (cb.cb_numsamegraded) {
2058 (void) printf(gettext("%llu filesystems already at "
2059 "this version\n"),
b8864a23 2060 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 2061 }
2062 if (cb.cb_numfailed != 0)
2063 ret = 1;
2064 } else {
2065 /* List old-version filesytems */
2066 boolean_t found;
2067 (void) printf(gettext("This system is currently running "
2068 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
2069
b128c09f
BB		 2070 flags |= ZFS_ITER_RECURSE;
2071 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2072 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2073
2074 found = cb.cb_foundone;
2075 cb.cb_foundone = B_FALSE;
2076 cb.cb_newer = B_TRUE;
2077
b128c09f 2078 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 2079 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 2080
2081 if (!cb.cb_foundone && !found) {
2082 (void) printf(gettext("All filesystems are "
2083 "formatted with the current version.\n"));
2084 }
2085 }
2086
2087 return (ret);
2088}
2089
5990da81
YP		 2090/*
2091 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2092 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
2093 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2094 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
2095 *
2096 * -H Scripted mode; elide headers and separate columns by tabs.
2097 * -i Translate SID to POSIX ID.
2098 * -n Print numeric ID instead of user/group name.
2099 * -o Control which fields to display.
54d5378f 2100 * -p Use exact (parsable) numeric output.
5990da81
YP		 2101 * -s Specify sort columns, descending order.
2102 * -S Specify sort columns, ascending order.
2103 * -t Control which object types to display.
2104 *
2105 * Displays space consumed by, and quotas on, each user in the specified
2106 * filesystem or snapshot.
2107 */
0b7936d5 2108
5990da81
YP		 2109/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2110enum us_field_types {
2111 USFIELD_TYPE,
2112 USFIELD_NAME,
2113 USFIELD_USED,
2114 USFIELD_QUOTA
2115};
2116static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA" };
2117static char *us_field_names[] = { "type", "name", "used", "quota" };
2118#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
0b7936d5 2119
5990da81
YP		 2120#define USTYPE_PSX_GRP (1 << 0)
2121#define USTYPE_PSX_USR (1 << 1)
2122#define USTYPE_SMB_GRP (1 << 2)
2123#define USTYPE_SMB_USR (1 << 3)
2124#define USTYPE_ALL \
2125 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR)
0b7936d5 2126
5990da81
YP		 2127static int us_type_bits[] = {
2128 USTYPE_PSX_GRP,
2129 USTYPE_PSX_USR,
2130 USTYPE_SMB_GRP,
2131 USTYPE_SMB_USR,
2132 USTYPE_ALL
2133};
2820bc49 2134static char *us_type_names[] = { "posixgroup", "posixuser", "smbgroup",
5990da81 2135 "smbuser", "all" };
0b7936d5
AS		 2136
2137typedef struct us_node {
2138 nvlist_t *usn_nvl;
2139 uu_avl_node_t usn_avlnode;
2140 uu_list_node_t usn_listnode;
2141} us_node_t;
2142
2143typedef struct us_cbdata {
5990da81
YP		 2144 nvlist_t **cb_nvlp;
2145 uu_avl_pool_t *cb_avl_pool;
2146 uu_avl_t *cb_avl;
2147 boolean_t cb_numname;
2148 boolean_t cb_nicenum;
2149 boolean_t cb_sid2posix;
2150 zfs_userquota_prop_t cb_prop;
2151 zfs_sort_column_t *cb_sortcol;
2152 size_t cb_width[USFIELD_LAST];
0b7936d5
AS		 2153} us_cbdata_t;
2154
5990da81
YP		 2155static boolean_t us_populated = B_FALSE;
2156
0b7936d5
AS		 2157typedef struct {
2158 zfs_sort_column_t *si_sortcol;
5990da81 2159 boolean_t si_numname;
0b7936d5
AS		 2160} us_sort_info_t;
2161
5990da81
YP		 2162static int
2163us_field_index(char *field)
2164{
2165 int i;
2166
2167 for (i = 0; i < USFIELD_LAST; i++) {
2168 if (strcmp(field, us_field_names[i]) == 0)
2169 return (i);
2170 }
2171
2172 return (-1);
2173}
2174
0b7936d5
AS		 2175static int
2176us_compare(const void *larg, const void *rarg, void *unused)
2177{
2178 const us_node_t *l = larg;
2179 const us_node_t *r = rarg;
0b7936d5
AS		 2180 us_sort_info_t *si = (us_sort_info_t *)unused;
2181 zfs_sort_column_t *sortcol = si->si_sortcol;
5990da81 2182 boolean_t numname = si->si_numname;
0b7936d5
AS		 2183 nvlist_t *lnvl = l->usn_nvl;
2184 nvlist_t *rnvl = r->usn_nvl;
5990da81
YP		 2185 int rc = 0;
2186 boolean_t lvb, rvb;
0b7936d5
AS		 2187
2188 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
2189 char *lvstr = "";
2190 char *rvstr = "";
2191 uint32_t lv32 = 0;
2192 uint32_t rv32 = 0;
2193 uint64_t lv64 = 0;
2194 uint64_t rv64 = 0;
2195 zfs_prop_t prop = sortcol->sc_prop;
2196 const char *propname = NULL;
2197 boolean_t reverse = sortcol->sc_reverse;
2198
2199 switch (prop) {
2200 case ZFS_PROP_TYPE:
2201 propname = "type";
2202 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
2203 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
2204 if (rv32 != lv32)
5990da81 2205 rc = (rv32 < lv32) ? 1 : -1;
0b7936d5
AS		 2206 break;
2207 case ZFS_PROP_NAME:
2208 propname = "name";
5990da81
YP		 2209 if (numname) {
2210 (void) nvlist_lookup_uint64(lnvl, propname,
2211 &lv64);
2212 (void) nvlist_lookup_uint64(rnvl, propname,
2213 &rv64);
2214 if (rv64 != lv64)
2215 rc = (rv64 < lv64) ? 1 : -1;
0b7936d5
AS		 2216 } else {
2217 (void) nvlist_lookup_string(lnvl, propname,
2218 &lvstr);
2219 (void) nvlist_lookup_string(rnvl, propname,
2220 &rvstr);
2221 rc = strcmp(lvstr, rvstr);
2222 }
2223 break;
0b7936d5
AS		 2224 case ZFS_PROP_USED:
2225 case ZFS_PROP_QUOTA:
5990da81
YP		 2226 if (!us_populated)
2227 break;
2228 if (prop == ZFS_PROP_USED)
0b7936d5
AS		 2229 propname = "used";
2230 else
2231 propname = "quota";
2232 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
2233 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
2234 if (rv64 != lv64)
5990da81
YP		 2235 rc = (rv64 < lv64) ? 1 : -1;
2236 break;
0b7936d5
AS		 2237 default:
2238 break;
2239 }
2240
5990da81 2241 if (rc != 0) {
0b7936d5
AS		 2242 if (rc < 0)
2243 return (reverse ? 1 : -1);
2244 else
2245 return (reverse ? -1 : 1);
2246 }
2247 }
2248
5990da81
YP		 2249 /*
2250 * If entries still seem to be the same, check if they are of the same
2251 * type (smbentity is added only if we are doing SID to POSIX ID
2252 * translation where we can have duplicate type/name combinations).
2253 */
2254 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
2255 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
2256 lvb != rvb)
2257 return (lvb < rvb ? -1 : 1);
2258
2259 return (0);
0b7936d5
AS		 2260}
2261
2262static inline const char *
2263us_type2str(unsigned field_type)
2264{
2265 switch (field_type) {
2266 case USTYPE_PSX_USR:
2267 return ("POSIX User");
2268 case USTYPE_PSX_GRP:
2269 return ("POSIX Group");
2270 case USTYPE_SMB_USR:
2271 return ("SMB User");
2272 case USTYPE_SMB_GRP:
2273 return ("SMB Group");
2274 default:
2275 return ("Undefined");
2276 }
2277}
2278
9babb374
BB		 2279static int
2280userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
2281{
0b7936d5
AS		 2282 us_cbdata_t *cb = (us_cbdata_t *)arg;
2283 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 2284 char *name = NULL;
0b7936d5 2285 char *propname;
9babb374 2286 char sizebuf[32];
0b7936d5
AS		 2287 us_node_t *node;
2288 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
2289 uu_avl_t *avl = cb->cb_avl;
2290 uu_avl_index_t idx;
2291 nvlist_t *props;
2292 us_node_t *n;
2293 zfs_sort_column_t *sortcol = cb->cb_sortcol;
5990da81 2294 unsigned type = 0;
0b7936d5
AS		 2295 const char *typestr;
2296 size_t namelen;
2297 size_t typelen;
2298 size_t sizelen;
5990da81 2299 int typeidx, nameidx, sizeidx;
0b7936d5 2300 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
5990da81 2301 boolean_t smbentity = B_FALSE;
9babb374 2302
5990da81
YP		 2303 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
2304 nomem();
2305 node = safe_malloc(sizeof (us_node_t));
2306 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2307 node->usn_nvl = props;
2308
2309 if (domain != NULL && domain[0] != '\0') {
0b7936d5 2310#ifdef HAVE_IDMAP
5990da81
YP		 2311 /* SMB */
2312 char sid[ZFS_MAXNAMELEN + 32];
0b7936d5
AS		 2313 uid_t id;
2314 uint64_t classes;
5990da81 2315 int err;
0b7936d5
AS		 2316 directory_error_t e;
2317
5990da81
YP		 2318 smbentity = B_TRUE;
2319
0b7936d5 2320 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
5990da81 2321
0b7936d5
AS		 2322 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2323 type = USTYPE_SMB_GRP;
2324 err = sid_to_id(sid, B_FALSE, &id);
2325 } else {
2326 type = USTYPE_SMB_USR;
2327 err = sid_to_id(sid, B_TRUE, &id);
2328 }
2329
2330 if (err == 0) {
2331 rid = id;
5990da81
YP		 2332 if (!cb->cb_sid2posix) {
2333 e = directory_name_from_sid(NULL, sid, &name,
2334 &classes);
105afebb 2335 if (e != NULL)
5990da81 2336 directory_error_free(e);
5990da81
YP		 2337 if (name == NULL)
2338 name = sid;
0b7936d5 2339 }
0b7936d5
AS		 2340 }
2341#else
5990da81
YP		 2342 nvlist_free(props);
2343 free(node);
2344
0b7936d5
AS		 2345 return (-1);
2346#endif /* HAVE_IDMAP */
9babb374
BB		 2347 }
2348
5990da81
YP		 2349 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
2350 /* POSIX or -i */
2351 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2352 type = USTYPE_PSX_GRP;
2353 if (!cb->cb_numname) {
2354 struct group *g;
0b7936d5 2355
5990da81
YP		 2356 if ((g = getgrgid(rid)) != NULL)
2357 name = g->gr_name;
2358 }
2359 } else {
2360 type = USTYPE_PSX_USR;
2361 if (!cb->cb_numname) {
2362 struct passwd *p;
0b7936d5 2363
5990da81
YP		 2364 if ((p = getpwuid(rid)) != NULL)
2365 name = p->pw_name;
2366 }
2367 }
0b7936d5
AS		 2368 }
2369
5990da81
YP		 2370 /*
2371 * Make sure that the type/name combination is unique when doing
2372 * SID to POSIX ID translation (hence changing the type from SMB to
2373 * POSIX).
2374 */
2375 if (cb->cb_sid2posix &&
2376 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
2377 nomem();
2378
2379 /* Calculate/update width of TYPE field */
2380 typestr = us_type2str(type);
2381 typelen = strlen(gettext(typestr));
2382 typeidx = us_field_index("type");
2383 if (typelen > cb->cb_width[typeidx])
2384 cb->cb_width[typeidx] = typelen;
0b7936d5
AS		 2385 if (nvlist_add_uint32(props, "type", type) != 0)
2386 nomem();
2387
5990da81
YP		 2388 /* Calculate/update width of NAME field */
2389 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
2390 if (nvlist_add_uint64(props, "name", rid) != 0)
0b7936d5 2391 nomem();
5990da81 2392 namelen = snprintf(NULL, 0, "%u", rid);
0b7936d5
AS		 2393 } else {
2394 if (nvlist_add_string(props, "name", name) != 0)
2395 nomem();
2396 namelen = strlen(name);
2397 }
5990da81
YP		 2398 nameidx = us_field_index("name");
2399 if (namelen > cb->cb_width[nameidx])
2400 cb->cb_width[nameidx] = namelen;
0b7936d5 2401
5990da81
YP		 2402 /*
2403 * Check if this type/name combination is in the list and update it;
2404 * otherwise add new node to the list.
2405 */
2406 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
0b7936d5 2407 uu_avl_insert(avl, node, idx);
5990da81 2408 } else {
0b7936d5
AS		 2409 nvlist_free(props);
2410 free(node);
2411 node = n;
2412 props = node->usn_nvl;
9babb374 2413 }
9babb374 2414
5990da81
YP		 2415 /* Calculate/update width of USED/QUOTA fields */
2416 if (cb->cb_nicenum)
2417 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2418 else
2419 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
2420 (u_longlong_t)space);
2421 sizelen = strlen(sizebuf);
2422 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED) {
2423 propname = "used";
2424 if (!nvlist_exists(props, "quota"))
2425 (void) nvlist_add_uint64(props, "quota", 0);
2426 } else {
2427 propname = "quota";
2428 if (!nvlist_exists(props, "used"))
2429 (void) nvlist_add_uint64(props, "used", 0);
2430 }
2431 sizeidx = us_field_index(propname);
2432 if (sizelen > cb->cb_width[sizeidx])
2433 cb->cb_width[sizeidx] = sizelen;
2434
0b7936d5
AS		 2435 if (nvlist_add_uint64(props, propname, space) != 0)
2436 nomem();
2437
2438 return (0);
2439}
2440
0b7936d5 2441static void
5990da81
YP		 2442print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
2443 size_t *width, us_node_t *node)
0b7936d5
AS		 2444{
2445 nvlist_t *nvl = node->usn_nvl;
0b7936d5
AS		 2446 char valstr[ZFS_MAXNAMELEN];
2447 boolean_t first = B_TRUE;
5990da81
YP		 2448 int cfield = 0;
2449 int field;
2450 uint32_t ustype;
2451
2452 /* Check type */
2453 (void) nvlist_lookup_uint32(nvl, "type", &ustype);
2454 if (!(ustype & types))
2455 return;
2456
2457 while ((field = fields[cfield]) != USFIELD_LAST) {
2458 nvpair_t *nvp = NULL;
2459 data_type_t type;
2460 uint32_t val32;
2461 uint64_t val64;
0b7936d5 2462 char *strval = NULL;
5990da81
YP		 2463
2464 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
2465 if (strcmp(nvpair_name(nvp),
2466 us_field_names[field]) == 0)
0b7936d5 2467 break;
0b7936d5
AS		 2468 }
2469
5990da81 2470 type = nvpair_type(nvp);
0b7936d5
AS		 2471 switch (type) {
2472 case DATA_TYPE_UINT32:
2473 (void) nvpair_value_uint32(nvp, &val32);
2474 break;
2475 case DATA_TYPE_UINT64:
2476 (void) nvpair_value_uint64(nvp, &val64);
2477 break;
2478 case DATA_TYPE_STRING:
2479 (void) nvpair_value_string(nvp, &strval);
2480 break;
2481 default:
5990da81 2482 (void) fprintf(stderr, "invalid data type\n");
0b7936d5
AS		 2483 }
2484
2485 switch (field) {
2486 case USFIELD_TYPE:
2487 strval = (char *)us_type2str(val32);
0b7936d5
AS		 2488 break;
2489 case USFIELD_NAME:
2490 if (type == DATA_TYPE_UINT64) {
2491 (void) sprintf(valstr, "%llu",
2492 (u_longlong_t) val64);
2493 strval = valstr;
2494 }
0b7936d5
AS		 2495 break;
2496 case USFIELD_USED:
2497 case USFIELD_QUOTA:
2498 if (type == DATA_TYPE_UINT64) {
5990da81 2499 if (parsable) {
0b7936d5
AS		 2500 (void) sprintf(valstr, "%llu",
2501 (u_longlong_t) val64);
5990da81 2502 } else {
0b7936d5
AS		 2503 zfs_nicenum(val64, valstr,
2504 sizeof (valstr));
5990da81
YP		 2505 }
2506 if (field == USFIELD_QUOTA &&
2507 strcmp(valstr, "0") == 0)
2508 strval = "none";
2509 else
2510 strval = valstr;
0b7936d5 2511 }
0b7936d5
AS		 2512 break;
2513 }
2514
5990da81
YP		 2515 if (!first) {
2516 if (scripted)
2517 (void) printf("\t");
0b7936d5 2518 else
5990da81 2519 (void) printf(" ");
0b7936d5 2520 }
5990da81
YP		 2521 if (scripted)
2522 (void) printf("%s", strval);
2523 else if (field == USFIELD_TYPE || field == USFIELD_NAME)
2524 (void) printf("%-*s", (int) width[field], strval);
2525 else
2526 (void) printf("%*s", (int) width[field], strval);
0b7936d5
AS		 2527
2528 first = B_FALSE;
5990da81 2529 cfield++;
0b7936d5
AS		 2530 }
2531
2532 (void) printf("\n");
2533}
2534
2535static void
5990da81
YP		 2536print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
2537 size_t *width, boolean_t rmnode, uu_avl_t *avl)
0b7936d5 2538{
0b7936d5
AS		 2539 us_node_t *node;
2540 const char *col;
5990da81
YP		 2541 int cfield = 0;
2542 int field;
0b7936d5
AS		 2543
2544 if (!scripted) {
2545 boolean_t first = B_TRUE;
5990da81
YP		 2546
2547 while ((field = fields[cfield]) != USFIELD_LAST) {
2548 col = gettext(us_field_hdr[field]);
2549 if (field == USFIELD_TYPE || field == USFIELD_NAME) {
2550 (void) printf(first ? "%-*s" : " %-*s",
2551 (int) width[field], col);
2552 } else {
2553 (void) printf(first ? "%*s" : " %*s",
2554 (int) width[field], col);
2555 }
0b7936d5 2556 first = B_FALSE;
5990da81 2557 cfield++;
0b7936d5
AS		 2558 }
2559 (void) printf("\n");
2560 }
2561
5990da81
YP		 2562 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
2563 print_us_node(scripted, parsable, fields, types, width, node);
0b7936d5
AS		 2564 if (rmnode)
2565 nvlist_free(node->usn_nvl);
2566 }
2567}
2568
9babb374
BB		 2569static int
2570zfs_do_userspace(int argc, char **argv)
2571{
2572 zfs_handle_t *zhp;
2573 zfs_userquota_prop_t p;
0b7936d5
AS		 2574 uu_avl_pool_t *avl_pool;
2575 uu_avl_t *avl_tree;
2576 uu_avl_walk_t *walk;
5990da81
YP		 2577 char *delim;
2578 char deffields[] = "type,name,used,quota";
2579 char *ofield = NULL;
2580 char *tfield = NULL;
2581 int cfield = 0;
2582 int fields[256];
2583 int i;
0b7936d5
AS		 2584 boolean_t scripted = B_FALSE;
2585 boolean_t prtnum = B_FALSE;
5990da81 2586 boolean_t parsable = B_FALSE;
0b7936d5 2587 boolean_t sid2posix = B_FALSE;
105afebb 2588 int ret = 0;
0b7936d5 2589 int c;
0b7936d5 2590 zfs_sort_column_t *sortcol = NULL;
5990da81 2591 int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
0b7936d5
AS		 2592 us_cbdata_t cb;
2593 us_node_t *node;
5990da81
YP		 2594 us_node_t *rmnode;
2595 uu_list_pool_t *listpool;
2596 uu_list_t *list;
2597 uu_avl_index_t idx = 0;
2598 uu_list_index_t idx2 = 0;
0b7936d5
AS		 2599
2600 if (argc < 2)
2601 usage(B_FALSE);
2602
5990da81
YP		 2603 if (strcmp(argv[0], "groupspace") == 0)
2604 /* Toggle default group types */
0b7936d5
AS		 2605 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
2606
0b7936d5
AS		 2607 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
2608 switch (c) {
2609 case 'n':
2610 prtnum = B_TRUE;
2611 break;
2612 case 'H':
2613 scripted = B_TRUE;
2614 break;
2615 case 'p':
5990da81 2616 parsable = B_TRUE;
0b7936d5
AS		 2617 break;
2618 case 'o':
5990da81 2619 ofield = optarg;
0b7936d5
AS		 2620 break;
2621 case 's':
0b7936d5
AS		 2622 case 'S':
2623 if (zfs_add_sort_column(&sortcol, optarg,
5990da81 2624 c == 's' ? B_FALSE : B_TRUE) != 0) {
0b7936d5 2625 (void) fprintf(stderr,
5990da81 2626 gettext("invalid field '%s'\n"), optarg);
0b7936d5
AS		 2627 usage(B_FALSE);
2628 }
2629 break;
2630 case 't':
5990da81 2631 tfield = optarg;
0b7936d5
AS		 2632 break;
2633 case 'i':
2634 sid2posix = B_TRUE;
2635 break;
2636 case ':':
2637 (void) fprintf(stderr, gettext("missing argument for "
2638 "'%c' option\n"), optopt);
2639 usage(B_FALSE);
2640 break;
2641 case '?':
2642 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2643 optopt);
2644 usage(B_FALSE);
2645 }
2646 }
2647
2648 argc -= optind;
2649 argv += optind;
2650
5990da81
YP		 2651 if (argc < 1) {
2652 (void) fprintf(stderr, gettext("missing dataset name\n"));
2653 usage(B_FALSE);
2654 }
2655 if (argc > 1) {
2656 (void) fprintf(stderr, gettext("too many arguments\n"));
2657 usage(B_FALSE);
0b7936d5
AS		 2658 }
2659
5990da81
YP		 2660 /* Use default output fields if not specified using -o */
2661 if (ofield == NULL)
2662 ofield = deffields;
2663 do {
2664 if ((delim = strchr(ofield, ',')) != NULL)
2665 *delim = '\0';
2666 if ((fields[cfield++] = us_field_index(ofield)) == -1) {
2667 (void) fprintf(stderr, gettext("invalid type '%s' "
2668 "for -o option\n"), ofield);
2669 return (-1);
2670 }
2671 if (delim != NULL)
2672 ofield = delim + 1;
2673 } while (delim != NULL);
2674 fields[cfield] = USFIELD_LAST;
2675
2676 /* Override output types (-t option) */
2677 if (tfield != NULL) {
2678 types = 0;
2679
2680 do {
2681 boolean_t found = B_FALSE;
2682
2683 if ((delim = strchr(tfield, ',')) != NULL)
2684 *delim = '\0';
2685 for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
2686 i++) {
2687 if (strcmp(tfield, us_type_names[i]) == 0) {
2688 found = B_TRUE;
2689 types |= us_type_bits[i];
2690 break;
2691 }
2692 }
2693 if (!found) {
2694 (void) fprintf(stderr, gettext("invalid type "
2695 "'%s' for -t option\n"), tfield);
2696 return (-1);
2697 }
2698 if (delim != NULL)
2699 tfield = delim + 1;
2700 } while (delim != NULL);
2701 }
9babb374 2702
5990da81 2703 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
9babb374
BB		 2704 return (1);
2705
0b7936d5 2706 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
5990da81 2707 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
0b7936d5
AS		 2708 nomem();
2709 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
2710 nomem();
2711
5990da81
YP		 2712 /* Always add default sorting columns */
2713 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
2714 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
2715
2716 cb.cb_sortcol = sortcol;
0b7936d5 2717 cb.cb_numname = prtnum;
5990da81 2718 cb.cb_nicenum = !parsable;
0b7936d5
AS		 2719 cb.cb_avl_pool = avl_pool;
2720 cb.cb_avl = avl_tree;
2721 cb.cb_sid2posix = sid2posix;
5990da81
YP		 2722
2723 for (i = 0; i < USFIELD_LAST; i++)
2724 cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
9babb374
BB		 2725
2726 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
5990da81
YP		 2727 if (((p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA) &&
2728 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
2729 ((p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) &&
2730 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))))
0b7936d5 2731 continue;
0b7936d5 2732 cb.cb_prop = p;
105afebb
YP		 2733 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0)
2734 return (ret);
9babb374 2735 }
0b7936d5 2736
5990da81 2737 /* Sort the list */
105afebb
YP		 2738 if ((node = uu_avl_first(avl_tree)) == NULL)
2739 return (0);
2740
5990da81 2741 us_populated = B_TRUE;
105afebb 2742
5990da81
YP		 2743 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
2744 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
2745 list = uu_list_create(listpool, NULL, UU_DEFAULT);
5990da81 2746 uu_list_node_init(node, &node->usn_listnode, listpool);
0b7936d5 2747
5990da81
YP		 2748 while (node != NULL) {
2749 rmnode = node;
2750 node = uu_avl_next(avl_tree, node);
2751 uu_avl_remove(avl_tree, rmnode);
2752 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
2753 uu_list_insert(list, rmnode, idx2);
2754 }
0b7936d5 2755
5990da81
YP		 2756 for (node = uu_list_first(list); node != NULL;
2757 node = uu_list_next(list, node)) {
2758 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
2759
2760 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
2761 uu_avl_insert(avl_tree, node, idx);
0b7936d5
AS		 2762 }
2763
5990da81
YP		 2764 uu_list_destroy(list);
2765 uu_list_pool_destroy(listpool);
0b7936d5 2766
5990da81
YP		 2767 /* Print and free node nvlist memory */
2768 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
2769 cb.cb_avl);
0b7936d5 2770
5990da81
YP		 2771 zfs_free_sort_columns(sortcol);
2772
2773 /* Clean up the AVL tree */
0b7936d5
AS		 2774 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
2775 nomem();
2776
2777 while ((node = uu_avl_walk_next(walk)) != NULL) {
2778 uu_avl_remove(cb.cb_avl, node);
2779 free(node);
2780 }
2781
2782 uu_avl_walk_end(walk);
2783 uu_avl_destroy(avl_tree);
2784 uu_avl_pool_destroy(avl_pool);
2785
105afebb 2786 return (ret);
9babb374
BB		 2787}
2788
2789/*
54d5378f
YP		 2790 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
2791 * [-t type[,...]] [filesystem|volume|snapshot] ...
34dc7c2f 2792 *
54d5378f
YP		 2793 * -H Scripted mode; elide headers and separate columns by tabs
2794 * -p Display values in parsable (literal) format.
428870ff
BB		 2795 * -r Recurse over all children
2796 * -d Limit recursion by depth.
428870ff 2797 * -o Control which fields to display.
34dc7c2f
BB		 2798 * -s Specify sort columns, descending order.
2799 * -S Specify sort columns, ascending order.
54d5378f 2800 * -t Control which object types to display.
34dc7c2f 2801 *
54d5378f 2802 * When given no arguments, list all filesystems in the system.
34dc7c2f
BB		 2803 * Otherwise, list the specified datasets, optionally recursing down them if
2804 * '-r' is specified.
2805 */
2806typedef struct list_cbdata {
2807 boolean_t cb_first;
54d5378f 2808 boolean_t cb_literal;
34dc7c2f
BB		 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
54d5378f 2817print_header(list_cbdata_t *cb)
34dc7c2f 2818{
54d5378f 2819 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 2820 char headerbuf[ZFS_MAXPROPLEN];
2821 const char *header;
2822 int i;
2823 boolean_t first = B_TRUE;
2824 boolean_t right_justify;
2825
2826 for (; pl != NULL; pl = pl->pl_next) {
2827 if (!first) {
2828 (void) printf(" ");
2829 } else {
2830 first = B_FALSE;
2831 }
2832
2833 right_justify = B_FALSE;
2834 if (pl->pl_prop != ZPROP_INVAL) {
2835 header = zfs_prop_column_name(pl->pl_prop);
2836 right_justify = zfs_prop_align_right(pl->pl_prop);
2837 } else {
2838 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
2839 headerbuf[i] = toupper(pl->pl_user_prop[i]);
2840 headerbuf[i] = '\0';
2841 header = headerbuf;
2842 }
2843
2844 if (pl->pl_next == NULL && !right_justify)
2845 (void) printf("%s", header);
2846 else if (right_justify)
b8864a23 2847 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 2848 else
b8864a23 2849 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 2850 }
2851
2852 (void) printf("\n");
2853}
2854
2855/*
2856 * Given a dataset and a list of fields, print out all the properties according
2857 * to the described layout.
2858 */
2859static void
54d5378f 2860print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb)
34dc7c2f 2861{
54d5378f 2862 zprop_list_t *pl = cb->cb_proplist;
34dc7c2f
BB		 2863 boolean_t first = B_TRUE;
2864 char property[ZFS_MAXPROPLEN];
2865 nvlist_t *userprops = zfs_get_user_props(zhp);
2866 nvlist_t *propval;
2867 char *propstr;
2868 boolean_t right_justify;
34dc7c2f
BB		 2869
2870 for (; pl != NULL; pl = pl->pl_next) {
2871 if (!first) {
54d5378f 2872 if (cb->cb_scripted)
34dc7c2f
BB		 2873 (void) printf("\t");
2874 else
2875 (void) printf(" ");
2876 } else {
2877 first = B_FALSE;
2878 }
2879
0cee2406
PJD		 2880 if (pl->pl_prop == ZFS_PROP_NAME) {
2881 (void) strlcpy(property, zfs_get_name(zhp),
d1d7e268 2882 sizeof (property));
0cee2406
PJD		 2883 propstr = property;
2884 right_justify = zfs_prop_align_right(pl->pl_prop);
2885 } else if (pl->pl_prop != ZPROP_INVAL) {
34dc7c2f 2886 if (zfs_prop_get(zhp, pl->pl_prop, property,
54d5378f 2887 sizeof (property), NULL, NULL, 0,
d1d7e268 2888 cb->cb_literal) != 0)
34dc7c2f
BB		 2889 propstr = "-";
2890 else
2891 propstr = property;
34dc7c2f 2892 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 2893 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
2894 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
54d5378f 2895 property, sizeof (property), cb->cb_literal) != 0)
9babb374
BB		 2896 propstr = "-";
2897 else
2898 propstr = property;
2899 right_justify = B_TRUE;
330d06f9
MA		 2900 } else if (zfs_prop_written(pl->pl_user_prop)) {
2901 if (zfs_prop_get_written(zhp, pl->pl_user_prop,
54d5378f 2902 property, sizeof (property), cb->cb_literal) != 0)
330d06f9
MA		 2903 propstr = "-";
2904 else
2905 propstr = property;
2906 right_justify = B_TRUE;
34dc7c2f
BB		 2907 } else {
2908 if (nvlist_lookup_nvlist(userprops,
2909 pl->pl_user_prop, &propval) != 0)
2910 propstr = "-";
2911 else
2912 verify(nvlist_lookup_string(propval,
2913 ZPROP_VALUE, &propstr) == 0);
9babb374 2914 right_justify = B_FALSE;
34dc7c2f
BB		 2915 }
2916
34dc7c2f
BB		 2917 /*
2918 * If this is being called in scripted mode, or if this is the
2919 * last column and it is left-justified, don't include a width
2920 * format specifier.
2921 */
54d5378f 2922 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify))
34dc7c2f
BB		 2923 (void) printf("%s", propstr);
2924 else if (right_justify)
54d5378f 2925 (void) printf("%*s", (int)pl->pl_width, propstr);
34dc7c2f 2926 else
54d5378f 2927 (void) printf("%-*s", (int)pl->pl_width, propstr);
34dc7c2f
BB		 2928 }
2929
2930 (void) printf("\n");
2931}
2932
2933/*
2934 * Generic callback function to list a dataset or snapshot.
2935 */
2936static int
2937list_callback(zfs_handle_t *zhp, void *data)
2938{
2939 list_cbdata_t *cbp = data;
2940
2941 if (cbp->cb_first) {
2942 if (!cbp->cb_scripted)
54d5378f 2943 print_header(cbp);
34dc7c2f
BB		 2944 cbp->cb_first = B_FALSE;
2945 }
2946
54d5378f 2947 print_dataset(zhp, cbp);
34dc7c2f
BB		 2948
2949 return (0);
2950}
2951
2952static int
2953zfs_do_list(int argc, char **argv)
2954{
2955 int c;
34dc7c2f
BB		 2956 static char default_fields[] =
2957 "name,used,available,referenced,mountpoint";
d164b209 2958 int types = ZFS_TYPE_DATASET;
b128c09f 2959 boolean_t types_specified = B_FALSE;
34dc7c2f 2960 char *fields = NULL;
34dc7c2f
BB		 2961 list_cbdata_t cb = { 0 };
2962 char *value;
9babb374 2963 int limit = 0;
ad60af8e 2964 int ret = 0;
34dc7c2f 2965 zfs_sort_column_t *sortcol = NULL;
b128c09f 2966 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2967
2968 /* check options */
54d5378f 2969 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) {
34dc7c2f
BB		 2970 switch (c) {
2971 case 'o':
2972 fields = optarg;
2973 break;
54d5378f
YP		 2974 case 'p':
2975 cb.cb_literal = B_TRUE;
2976 flags |= ZFS_ITER_LITERAL_PROPS;
2977 break;
9babb374
BB		 2978 case 'd':
2979 limit = parse_depth(optarg, &flags);
2980 break;
34dc7c2f 2981 case 'r':
b128c09f 2982 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2983 break;
2984 case 'H':
54d5378f 2985 cb.cb_scripted = B_TRUE;
34dc7c2f
BB		 2986 break;
2987 case 's':
2988 if (zfs_add_sort_column(&sortcol, optarg,
2989 B_FALSE) != 0) {
2990 (void) fprintf(stderr,
2991 gettext("invalid property '%s'\n"), optarg);
2992 usage(B_FALSE);
2993 }
2994 break;
2995 case 'S':
2996 if (zfs_add_sort_column(&sortcol, optarg,
2997 B_TRUE) != 0) {
2998 (void) fprintf(stderr,
2999 gettext("invalid property '%s'\n"), optarg);
3000 usage(B_FALSE);
3001 }
3002 break;
3003 case 't':
3004 types = 0;
b128c09f
BB		 3005 types_specified = B_TRUE;
3006 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
34dc7c2f 3007 while (*optarg != '\0') {
b128c09f 3008 static char *type_subopts[] = { "filesystem",
cf81b00a 3009 "volume", "snapshot", "snap", "all", NULL };
b128c09f 3010
34dc7c2f
BB		 3011 switch (getsubopt(&optarg, type_subopts,
3012 &value)) {
3013 case 0:
3014 types |= ZFS_TYPE_FILESYSTEM;
3015 break;
3016 case 1:
3017 types |= ZFS_TYPE_VOLUME;
3018 break;
3019 case 2:
cf81b00a 3020 case 3:
34dc7c2f
BB		 3021 types |= ZFS_TYPE_SNAPSHOT;
3022 break;
cf81b00a 3023 case 4:
b128c09f
BB		 3024 types = ZFS_TYPE_DATASET;
3025 break;
3026
34dc7c2f
BB		 3027 default:
3028 (void) fprintf(stderr,
3029 gettext("invalid type '%s'\n"),
3030 value);
3031 usage(B_FALSE);
3032 }
3033 }
3034 break;
3035 case ':':
3036 (void) fprintf(stderr, gettext("missing argument for "
3037 "'%c' option\n"), optopt);
3038 usage(B_FALSE);
3039 break;
3040 case '?':
3041 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3042 optopt);
3043 usage(B_FALSE);
3044 }
3045 }
3046
3047 argc -= optind;
3048 argv += optind;
3049
3050 if (fields == NULL)
b128c09f
BB		 3051 fields = default_fields;
3052
0cee2406
PJD		 3053 /*
3054 * If we are only going to list snapshot names and sort by name,
3055 * then we can use faster version.
3056 */
3057 if (strcmp(fields, "name") == 0 && zfs_sort_only_by_name(sortcol))
3058 flags |= ZFS_ITER_SIMPLE;
3059
b128c09f
BB		 3060 /*
3061 * If "-o space" and no types were specified, don't display snapshots.
3062 */
3063 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
3064 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f
BB		 3065
3066 /*
3067 * If the user specifies '-o all', the zprop_get_list() doesn't
3068 * normally include the name of the dataset. For 'zfs list', we always
3069 * want this property to be first.
3070 */
3071 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
3072 != 0)
3073 usage(B_FALSE);
3074
34dc7c2f
BB		 3075 cb.cb_first = B_TRUE;
3076
b128c09f 3077 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 3078 limit, list_callback, &cb);
34dc7c2f
BB		 3079
3080 zprop_free_list(cb.cb_proplist);
3081 zfs_free_sort_columns(sortcol);
3082
3083 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
42cb3819 3084 (void) fprintf(stderr, gettext("no datasets available\n"));
34dc7c2f
BB		 3085
3086 return (ret);
3087}
3088
3089/*
db49968e
ES		 3090 * zfs rename [-f] <fs | snap | vol> <fs | snap | vol>
3091 * zfs rename [-f] -p <fs | vol> <fs | vol>
34dc7c2f
BB		 3092 * zfs rename -r <snap> <snap>
3093 *
3094 * Renames the given dataset to another of the same type.
3095 *
3096 * The '-p' flag creates all the non-existing ancestors of the target first.
3097 */
3098/* ARGSUSED */
3099static int
3100zfs_do_rename(int argc, char **argv)
3101{
3102 zfs_handle_t *zhp;
3103 int c;
ad60af8e 3104 int ret = 0;
34dc7c2f
BB		 3105 boolean_t recurse = B_FALSE;
3106 boolean_t parents = B_FALSE;
db49968e 3107 boolean_t force_unmount = B_FALSE;
34dc7c2f
BB		 3108
3109 /* check options */
db49968e 3110 while ((c = getopt(argc, argv, "prf")) != -1) {
34dc7c2f
BB		 3111 switch (c) {
3112 case 'p':
3113 parents = B_TRUE;
3114 break;
3115 case 'r':
3116 recurse = B_TRUE;
3117 break;
db49968e
ES		 3118 case 'f':
3119 force_unmount = B_TRUE;
3120 break;
34dc7c2f
BB		 3121 case '?':
3122 default:
3123 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3124 optopt);
3125 usage(B_FALSE);
3126 }
3127 }
3128
3129 argc -= optind;
3130 argv += optind;
3131
3132 /* check number of arguments */
3133 if (argc < 1) {
3134 (void) fprintf(stderr, gettext("missing source dataset "
3135 "argument\n"));
3136 usage(B_FALSE);
3137 }
3138 if (argc < 2) {
3139 (void) fprintf(stderr, gettext("missing target dataset "
3140 "argument\n"));
3141 usage(B_FALSE);
3142 }
3143 if (argc > 2) {
3144 (void) fprintf(stderr, gettext("too many arguments\n"));
3145 usage(B_FALSE);
3146 }
3147
3148 if (recurse && parents) {
3149 (void) fprintf(stderr, gettext("-p and -r options are mutually "
3150 "exclusive\n"));
3151 usage(B_FALSE);
3152 }
3153
3154 if (recurse && strchr(argv[0], '@') == 0) {
3155 (void) fprintf(stderr, gettext("source dataset for recursive "
3156 "rename must be a snapshot\n"));
3157 usage(B_FALSE);
3158 }
3159
3160 if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM |
3161 ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL)
3162 return (1);
3163
3164 /* If we were asked and the name looks good, try to create ancestors. */
3165 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
3166 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
3167 zfs_close(zhp);
3168 return (1);
3169 }
3170
db49968e 3171 ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0);
34dc7c2f
BB		 3172
3173 zfs_close(zhp);
3174 return (ret);
3175}
3176
3177/*
3178 * zfs promote <fs>
3179 *
3180 * Promotes the given clone fs to be the parent
3181 */
3182/* ARGSUSED */
3183static int
3184zfs_do_promote(int argc, char **argv)
3185{
3186 zfs_handle_t *zhp;
ad60af8e 3187 int ret = 0;
34dc7c2f
BB		 3188
3189 /* check options */
3190 if (argc > 1 && argv[1][0] == '-') {
3191 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3192 argv[1][1]);
3193 usage(B_FALSE);
3194 }
3195
3196 /* check number of arguments */
3197 if (argc < 2) {
3198 (void) fprintf(stderr, gettext("missing clone filesystem"
3199 " argument\n"));
3200 usage(B_FALSE);
3201 }
3202 if (argc > 2) {
3203 (void) fprintf(stderr, gettext("too many arguments\n"));
3204 usage(B_FALSE);
3205 }
3206
3207 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3208 if (zhp == NULL)
3209 return (1);
3210
3211 ret = (zfs_promote(zhp) != 0);
3212
3213
3214 zfs_close(zhp);
3215 return (ret);
3216}
3217
3218/*
3219 * zfs rollback [-rRf] <snapshot>
3220 *
428870ff
BB		 3221 * -r Delete any intervening snapshots before doing rollback
3222 * -R Delete any snapshots and their clones
3223 * -f ignored for backwards compatability
34dc7c2f
BB		 3224 *
3225 * Given a filesystem, rollback to a specific snapshot, discarding any changes
3226 * since then and making it the active dataset. If more recent snapshots exist,
3227 * the command will complain unless the '-r' flag is given.
3228 */
3229typedef struct rollback_cbdata {
3230 uint64_t cb_create;
3231 boolean_t cb_first;
3232 int cb_doclones;
3233 char *cb_target;
3234 int cb_error;
3235 boolean_t cb_recurse;
3236 boolean_t cb_dependent;
3237} rollback_cbdata_t;
3238
3239/*
3240 * Report any snapshots more recent than the one specified. Used when '-r' is
3241 * not specified. We reuse this same callback for the snapshot dependents - if
3242 * 'cb_dependent' is set, then this is a dependent and we should report it
3243 * without checking the transaction group.
3244 */
3245static int
3246rollback_check(zfs_handle_t *zhp, void *data)
3247{
3248 rollback_cbdata_t *cbp = data;
3249
3250 if (cbp->cb_doclones) {
3251 zfs_close(zhp);
3252 return (0);
3253 }
3254
3255 if (!cbp->cb_dependent) {
3256 if (strcmp(zfs_get_name(zhp), cbp->cb_target) != 0 &&
3257 zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT &&
3258 zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) >
3259 cbp->cb_create) {
3260
3261 if (cbp->cb_first && !cbp->cb_recurse) {
3262 (void) fprintf(stderr, gettext("cannot "
3263 "rollback to '%s': more recent snapshots "
3264 "exist\n"),
3265 cbp->cb_target);
3266 (void) fprintf(stderr, gettext("use '-r' to "
3267 "force deletion of the following "
3268 "snapshots:\n"));
3269 cbp->cb_first = 0;
3270 cbp->cb_error = 1;
3271 }
3272
3273 if (cbp->cb_recurse) {
3274 cbp->cb_dependent = B_TRUE;
3275 if (zfs_iter_dependents(zhp, B_TRUE,
3276 rollback_check, cbp) != 0) {
3277 zfs_close(zhp);
3278 return (-1);
3279 }
3280 cbp->cb_dependent = B_FALSE;
3281 } else {
3282 (void) fprintf(stderr, "%s\n",
3283 zfs_get_name(zhp));
3284 }
3285 }
3286 } else {
3287 if (cbp->cb_first && cbp->cb_recurse) {
3288 (void) fprintf(stderr, gettext("cannot rollback to "
3289 "'%s': clones of previous snapshots exist\n"),
3290 cbp->cb_target);
3291 (void) fprintf(stderr, gettext("use '-R' to "
3292 "force deletion of the following clones and "
3293 "dependents:\n"));
3294 cbp->cb_first = 0;
3295 cbp->cb_error = 1;
3296 }
3297
3298 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
3299 }
3300
3301 zfs_close(zhp);
3302 return (0);
3303}
3304
3305static int
3306zfs_do_rollback(int argc, char **argv)
3307{
ad60af8e 3308 int ret = 0;
34dc7c2f
BB		 3309 int c;
3310 boolean_t force = B_FALSE;
3311 rollback_cbdata_t cb = { 0 };
3312 zfs_handle_t *zhp, *snap;
3313 char parentname[ZFS_MAXNAMELEN];
3314 char *delim;
3315
3316 /* check options */
3317 while ((c = getopt(argc, argv, "rRf")) != -1) {
3318 switch (c) {
3319 case 'r':
3320 cb.cb_recurse = 1;
3321 break;
3322 case 'R':
3323 cb.cb_recurse = 1;
3324 cb.cb_doclones = 1;
3325 break;
3326 case 'f':
3327 force = B_TRUE;
3328 break;
3329 case '?':
3330 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3331 optopt);
3332 usage(B_FALSE);
3333 }
3334 }
3335
3336 argc -= optind;
3337 argv += optind;
3338
3339 /* check number of arguments */
3340 if (argc < 1) {
3341 (void) fprintf(stderr, gettext("missing dataset argument\n"));
3342 usage(B_FALSE);
3343 }
3344 if (argc > 1) {
3345 (void) fprintf(stderr, gettext("too many arguments\n"));
3346 usage(B_FALSE);
3347 }
3348
3349 /* open the snapshot */
3350 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
3351 return (1);
3352
3353 /* open the parent dataset */
3354 (void) strlcpy(parentname, argv[0], sizeof (parentname));
3355 verify((delim = strrchr(parentname, '@')) != NULL);
3356 *delim = '\0';
3357 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
3358 zfs_close(snap);
3359 return (1);
3360 }
3361
3362 /*
3363 * Check for more recent snapshots and/or clones based on the presence
3364 * of '-r' and '-R'.
3365 */
3366 cb.cb_target = argv[0];
3367 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
3368 cb.cb_first = B_TRUE;
3369 cb.cb_error = 0;
3370 if ((ret = zfs_iter_children(zhp, rollback_check, &cb)) != 0)
3371 goto out;
3372
3373 if ((ret = cb.cb_error) != 0)
3374 goto out;
3375
3376 /*
3377 * Rollback parent to the given snapshot.
3378 */
3379 ret = zfs_rollback(zhp, snap, force);
3380
3381out:
3382 zfs_close(snap);
3383 zfs_close(zhp);
3384
3385 if (ret == 0)
3386 return (0);
3387 else
3388 return (1);
3389}
3390
3391/*
3392 * zfs set property=value { fs | snap | vol } ...
3393 *
3394 * Sets the given property for all datasets specified on the command line.
3395 */
3396typedef struct set_cbdata {
3397 char *cb_propname;
3398 char *cb_value;
3399} set_cbdata_t;
3400
3401static int
3402set_callback(zfs_handle_t *zhp, void *data)
3403{
3404 set_cbdata_t *cbp = data;
3405
3406 if (zfs_prop_set(zhp, cbp->cb_propname, cbp->cb_value) != 0) {
3407 switch (libzfs_errno(g_zfs)) {
3408 case EZFS_MOUNTFAILED:
3409 (void) fprintf(stderr, gettext("property may be set "
3410 "but unable to remount filesystem\n"));
3411 break;
3412 case EZFS_SHARENFSFAILED:
3413 (void) fprintf(stderr, gettext("property may be set "
3414 "but unable to reshare filesystem\n"));
3415 break;
3416 }
3417 return (1);
3418 }
3419 return (0);
3420}
3421
3422static int
3423zfs_do_set(int argc, char **argv)
3424{
3425 set_cbdata_t cb;
ad60af8e 3426 int ret = 0;
34dc7c2f
BB		 3427
3428 /* check for options */
3429 if (argc > 1 && argv[1][0] == '-') {
3430 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3431 argv[1][1]);
3432 usage(B_FALSE);
3433 }
3434
3435 /* check number of arguments */
3436 if (argc < 2) {
3437 (void) fprintf(stderr, gettext("missing property=value "
3438 "argument\n"));
3439 usage(B_FALSE);
3440 }
3441 if (argc < 3) {
3442 (void) fprintf(stderr, gettext("missing dataset name\n"));
3443 usage(B_FALSE);
3444 }
3445
3446 /* validate property=value argument */
3447 cb.cb_propname = argv[1];
b128c09f
BB		 3448 if (((cb.cb_value = strchr(cb.cb_propname, '=')) == NULL) ||
3449 (cb.cb_value[1] == '\0')) {
34dc7c2f
BB		 3450 (void) fprintf(stderr, gettext("missing value in "
3451 "property=value argument\n"));
3452 usage(B_FALSE);
3453 }
3454
3455 *cb.cb_value = '\0';
3456 cb.cb_value++;
3457
3458 if (*cb.cb_propname == '\0') {
3459 (void) fprintf(stderr,
3460 gettext("missing property in property=value argument\n"));
3461 usage(B_FALSE);
3462 }
3463
b8864a23 3464 ret = zfs_for_each(argc - 2, argv + 2, 0,
9babb374 3465 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
34dc7c2f
BB		 3466
3467 return (ret);
3468}
3469
6f1ffb06
MA		 3470typedef struct snap_cbdata {
3471 nvlist_t *sd_nvl;
3472 boolean_t sd_recursive;
3473 const char *sd_snapname;
3474} snap_cbdata_t;
3475
3476static int
3477zfs_snapshot_cb(zfs_handle_t *zhp, void *arg)
3478{
3479 snap_cbdata_t *sd = arg;
3480 char *name;
3481 int rv = 0;
3482 int error;
3483
96c2e961
KW		 3484 if (sd->sd_recursive &&
3485 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) {
3486 zfs_close(zhp);
3487 return (0);
3488 }
3489
6f1ffb06
MA		 3490 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname);
3491 if (error == -1)
3492 nomem();
3493 fnvlist_add_boolean(sd->sd_nvl, name);
3494 free(name);
3495
3496 if (sd->sd_recursive)
3497 rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd);
3498 zfs_close(zhp);
3499 return (rv);
3500}
3501
34dc7c2f 3502/*
b128c09f 3503 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 3504 *
3505 * Creates a snapshot with the given name. While functionally equivalent to
3506 * 'zfs create', it is a separate command to differentiate intent.
3507 */
3508static int
3509zfs_do_snapshot(int argc, char **argv)
3510{
ad60af8e 3511 int ret = 0;
b8864a23 3512 signed char c;
b128c09f 3513 nvlist_t *props;
6f1ffb06
MA		 3514 snap_cbdata_t sd = { 0 };
3515 boolean_t multiple_snaps = B_FALSE;
b128c09f 3516
428870ff
BB		 3517 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
3518 nomem();
6f1ffb06
MA		 3519 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0)
3520 nomem();
34dc7c2f
BB		 3521
3522 /* check options */
b128c09f 3523 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 3524 switch (c) {
b128c09f
BB		 3525 case 'o':
3526 if (parseprop(props))
3527 return (1);
3528 break;
34dc7c2f 3529 case 'r':
6f1ffb06
MA		 3530 sd.sd_recursive = B_TRUE;
3531 multiple_snaps = B_TRUE;
34dc7c2f
BB		 3532 break;
3533 case '?':
3534 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3535 optopt);
b128c09f 3536 goto usage;
34dc7c2f
BB		 3537 }
3538 }
3539
3540 argc -= optind;
3541 argv += optind;
3542
3543 /* check number of arguments */
3544 if (argc < 1) {
3545 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 3546 goto usage;
34dc7c2f 3547 }
6f1ffb06
MA		 3548
3549 if (argc > 1)
3550 multiple_snaps = B_TRUE;
3551 for (; argc > 0; argc--, argv++) {
3552 char *atp;
3553 zfs_handle_t *zhp;
3554
3555 atp = strchr(argv[0], '@');
3556 if (atp == NULL)
3557 goto usage;
3558 *atp = '\0';
3559 sd.sd_snapname = atp + 1;
3560 zhp = zfs_open(g_zfs, argv[0],
3561 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3562 if (zhp == NULL)
3563 goto usage;
3564 if (zfs_snapshot_cb(zhp, &sd) != 0)
3565 goto usage;
34dc7c2f
BB		 3566 }
3567
6f1ffb06
MA		 3568 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props);
3569 nvlist_free(sd.sd_nvl);
b128c09f 3570 nvlist_free(props);
6f1ffb06 3571 if (ret != 0 && multiple_snaps)
34dc7c2f
BB		 3572 (void) fprintf(stderr, gettext("no snapshots were created\n"));
3573 return (ret != 0);
b128c09f
BB		 3574
3575usage:
6f1ffb06 3576 nvlist_free(sd.sd_nvl);
b128c09f
BB		 3577 nvlist_free(props);
3578 usage(B_FALSE);
3579 return (-1);
34dc7c2f
BB		 3580}
3581
3582/*
34dc7c2f
BB		 3583 * Send a backup stream to stdout.
3584 */
3585static int
3586zfs_do_send(int argc, char **argv)
3587{
3588 char *fromname = NULL;
3589 char *toname = NULL;
3590 char *cp;
3591 zfs_handle_t *zhp;
428870ff 3592 sendflags_t flags = { 0 };
34dc7c2f 3593 int c, err;
330d06f9 3594 nvlist_t *dbgnv = NULL;
428870ff 3595 boolean_t extraverbose = B_FALSE;
34dc7c2f
BB		 3596
3597 /* check options */
330d06f9 3598 while ((c = getopt(argc, argv, ":i:I:RDpvnP")) != -1) {
34dc7c2f
BB		 3599 switch (c) {
3600 case 'i':
3601 if (fromname)
3602 usage(B_FALSE);
3603 fromname = optarg;
3604 break;
3605 case 'I':
3606 if (fromname)
3607 usage(B_FALSE);
3608 fromname = optarg;
428870ff 3609 flags.doall = B_TRUE;
34dc7c2f
BB		 3610 break;
3611 case 'R':
428870ff
BB		 3612 flags.replicate = B_TRUE;
3613 break;
3614 case 'p':
3615 flags.props = B_TRUE;
34dc7c2f 3616 break;
330d06f9
MA		 3617 case 'P':
3618 flags.parsable = B_TRUE;
3619 flags.verbose = B_TRUE;
3620 break;
34dc7c2f 3621 case 'v':
428870ff
BB		 3622 if (flags.verbose)
3623 extraverbose = B_TRUE;
3624 flags.verbose = B_TRUE;
37abac6d 3625 flags.progress = B_TRUE;
428870ff
BB		 3626 break;
3627 case 'D':
3628 flags.dedup = B_TRUE;
34dc7c2f 3629 break;
330d06f9
MA		 3630 case 'n':
3631 flags.dryrun = B_TRUE;
3632 break;
34dc7c2f
BB		 3633 case ':':
3634 (void) fprintf(stderr, gettext("missing argument for "
3635 "'%c' option\n"), optopt);
3636 usage(B_FALSE);
3637 break;
3638 case '?':
3639 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3640 optopt);
3641 usage(B_FALSE);
3642 }
3643 }
3644
3645 argc -= optind;
3646 argv += optind;
3647
3648 /* check number of arguments */
3649 if (argc < 1) {
3650 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
3651 usage(B_FALSE);
3652 }
3653 if (argc > 1) {
3654 (void) fprintf(stderr, gettext("too many arguments\n"));
3655 usage(B_FALSE);
3656 }
3657
330d06f9 3658 if (!flags.dryrun && isatty(STDOUT_FILENO)) {
34dc7c2f
BB		 3659 (void) fprintf(stderr,
3660 gettext("Error: Stream can not be written to a terminal.\n"
3661 "You must redirect standard output.\n"));
3662 return (1);
3663 }
3664
3665 cp = strchr(argv[0], '@');
3666 if (cp == NULL) {
3667 (void) fprintf(stderr,
3668 gettext("argument must be a snapshot\n"));
3669 usage(B_FALSE);
3670 }
0b7936d5
AS		 3671 *cp = '\0';
3672 toname = cp + 1;
3673 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3674 if (zhp == NULL)
3675 return (1);
3676
3677 /*
3678 * If they specified the full path to the snapshot, chop off
3679 * everything except the short name of the snapshot, but special
3680 * case if they specify the origin.
3681 */
3682 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
3683 char origin[ZFS_MAXNAMELEN];
3684 zprop_source_t src;
3685
3686 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
3687 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
3688
3689 if (strcmp(origin, fromname) == 0) {
3690 fromname = NULL;
3691 flags.fromorigin = B_TRUE;
3692 } else {
3693 *cp = '\0';
3694 if (cp != fromname && strcmp(argv[0], fromname)) {
3695 (void) fprintf(stderr,
3696 gettext("incremental source must be "
3697 "in same filesystem\n"));
3698 usage(B_FALSE);
3699 }
3700 fromname = cp + 1;
3701 if (strchr(fromname, '@') || strchr(fromname, '/')) {
3702 (void) fprintf(stderr,
3703 gettext("invalid incremental source\n"));
3704 usage(B_FALSE);
3705 }
3706 }
3707 }
3708
3709 if (flags.replicate && fromname == NULL)
3710 flags.doall = B_TRUE;
3711
330d06f9 3712 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0,
0b7936d5
AS		 3713 extraverbose ? &dbgnv : NULL);
3714
330d06f9 3715 if (extraverbose && dbgnv != NULL) {
0b7936d5
AS		 3716 /*
3717 * dump_nvlist prints to stdout, but that's been
3718 * redirected to a file. Make it print to stderr
3719 * instead.
3720 */
3721 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
3722 dump_nvlist(dbgnv, 0);
3723 nvlist_free(dbgnv);
3724 }
3725 zfs_close(zhp);
3726
3727 return (err != 0);
3728}
3729
3730/*
3731 * zfs receive [-vnFu] [-d | -e] <fs@snap>
3732 *
3733 * Restore a backup stream from stdin.
3734 */
3735static int
3736zfs_do_receive(int argc, char **argv)
3737{
3738 int c, err;
3739 recvflags_t flags = { 0 };
3740
3741 /* check options */
3742 while ((c = getopt(argc, argv, ":denuvF")) != -1) {
3743 switch (c) {
3744 case 'd':
3745 flags.isprefix = B_TRUE;
3746 break;
3747 case 'e':
3748 flags.isprefix = B_TRUE;
3749 flags.istail = B_TRUE;
3750 break;
3751 case 'n':
3752 flags.dryrun = B_TRUE;
3753 break;
3754 case 'u':
3755 flags.nomount = B_TRUE;
3756 break;
3757 case 'v':
3758 flags.verbose = B_TRUE;
3759 break;
3760 case 'F':
3761 flags.force = B_TRUE;
3762 break;
3763 case ':':
3764 (void) fprintf(stderr, gettext("missing argument for "
3765 "'%c' option\n"), optopt);
3766 usage(B_FALSE);
3767 break;
3768 case '?':
3769 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3770 optopt);
3771 usage(B_FALSE);
3772 }
3773 }
3774
3775 argc -= optind;
3776 argv += optind;
3777
3778 /* check number of arguments */
3779 if (argc < 1) {
3780 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
3781 usage(B_FALSE);
3782 }
3783 if (argc > 1) {
3784 (void) fprintf(stderr, gettext("too many arguments\n"));
3785 usage(B_FALSE);
3786 }
3787
3788 if (isatty(STDIN_FILENO)) {
3789 (void) fprintf(stderr,
3790 gettext("Error: Backup stream can not be read "
3791 "from a terminal.\n"
3792 "You must redirect standard input.\n"));
3793 return (1);
3794 }
3795
330d06f9 3796 err = zfs_receive(g_zfs, argv[0], &flags, STDIN_FILENO, NULL);
0b7936d5
AS		 3797
3798 return (err != 0);
3799}
3800
3801/*
3802 * allow/unallow stuff
3803 */
3804/* copied from zfs/sys/dsl_deleg.h */
3805#define ZFS_DELEG_PERM_CREATE "create"
3806#define ZFS_DELEG_PERM_DESTROY "destroy"
3807#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
3808#define ZFS_DELEG_PERM_ROLLBACK "rollback"
3809#define ZFS_DELEG_PERM_CLONE "clone"
3810#define ZFS_DELEG_PERM_PROMOTE "promote"
3811#define ZFS_DELEG_PERM_RENAME "rename"
3812#define ZFS_DELEG_PERM_MOUNT "mount"
3813#define ZFS_DELEG_PERM_SHARE "share"
3814#define ZFS_DELEG_PERM_SEND "send"
3815#define ZFS_DELEG_PERM_RECEIVE "receive"
3816#define ZFS_DELEG_PERM_ALLOW "allow"
3817#define ZFS_DELEG_PERM_USERPROP "userprop"
3818#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
3819#define ZFS_DELEG_PERM_USERQUOTA "userquota"
3820#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
3821#define ZFS_DELEG_PERM_USERUSED "userused"
3822#define ZFS_DELEG_PERM_GROUPUSED "groupused"
3823#define ZFS_DELEG_PERM_HOLD "hold"
3824#define ZFS_DELEG_PERM_RELEASE "release"
3825#define ZFS_DELEG_PERM_DIFF "diff"
3826
3827#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
3828
3829static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
3830 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
3831 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
3832 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
3833 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
3834 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
3835 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
3836 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
3837 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
3838 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
3839 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
3840 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
3841 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
3842 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
3843 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
3844 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
3845
3846 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
3847 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
3848 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
3849 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
3850 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
3851 { NULL, ZFS_DELEG_NOTE_NONE }
3852};
3853
3854/* permission structure */
3855typedef struct deleg_perm {
3856 zfs_deleg_who_type_t dp_who_type;
3857 const char *dp_name;
3858 boolean_t dp_local;
3859 boolean_t dp_descend;
3860} deleg_perm_t;
3861
3862/* */
3863typedef struct deleg_perm_node {
3864 deleg_perm_t dpn_perm;
3865
3866 uu_avl_node_t dpn_avl_node;
3867} deleg_perm_node_t;
3868
3869typedef struct fs_perm fs_perm_t;
3870
3871/* permissions set */
3872typedef struct who_perm {
3873 zfs_deleg_who_type_t who_type;
3874 const char *who_name; /* id */
3875 char who_ug_name[256]; /* user/group name */
3876 fs_perm_t *who_fsperm; /* uplink */
3877
3878 uu_avl_t *who_deleg_perm_avl; /* permissions */
3879} who_perm_t;
3880
3881/* */
3882typedef struct who_perm_node {
3883 who_perm_t who_perm;
3884 uu_avl_node_t who_avl_node;
3885} who_perm_node_t;
3886
3887typedef struct fs_perm_set fs_perm_set_t;
3888/* fs permissions */
3889struct fs_perm {
3890 const char *fsp_name;
3891
3892 uu_avl_t *fsp_sc_avl; /* sets,create */
3893 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
3894
3895 fs_perm_set_t *fsp_set; /* uplink */
3896};
3897
3898/* */
3899typedef struct fs_perm_node {
3900 fs_perm_t fspn_fsperm;
3901 uu_avl_t *fspn_avl;
3902
3903 uu_list_node_t fspn_list_node;
3904} fs_perm_node_t;
3905
3906/* top level structure */
3907struct fs_perm_set {
3908 uu_list_pool_t *fsps_list_pool;
3909 uu_list_t *fsps_list; /* list of fs_perms */
3910
3911 uu_avl_pool_t *fsps_named_set_avl_pool;
3912 uu_avl_pool_t *fsps_who_perm_avl_pool;
3913 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
3914};
3915
3916static inline const char *
3917deleg_perm_type(zfs_deleg_note_t note)
3918{
3919 /* subcommands */
3920 switch (note) {
3921 /* SUBCOMMANDS */
3922 /* OTHER */
3923 case ZFS_DELEG_NOTE_GROUPQUOTA:
3924 case ZFS_DELEG_NOTE_GROUPUSED:
3925 case ZFS_DELEG_NOTE_USERPROP:
3926 case ZFS_DELEG_NOTE_USERQUOTA:
3927 case ZFS_DELEG_NOTE_USERUSED:
3928 /* other */
3929 return (gettext("other"));
3930 default:
3931 return (gettext("subcommand"));
3932 }
3933}
3934
3935static int inline
3936who_type2weight(zfs_deleg_who_type_t who_type)
3937{
3938 int res;
3939 switch (who_type) {
3940 case ZFS_DELEG_NAMED_SET_SETS:
3941 case ZFS_DELEG_NAMED_SET:
3942 res = 0;
3943 break;
3944 case ZFS_DELEG_CREATE_SETS:
3945 case ZFS_DELEG_CREATE:
3946 res = 1;
3947 break;
3948 case ZFS_DELEG_USER_SETS:
3949 case ZFS_DELEG_USER:
3950 res = 2;
3951 break;
3952 case ZFS_DELEG_GROUP_SETS:
3953 case ZFS_DELEG_GROUP:
3954 res = 3;
3955 break;
3956 case ZFS_DELEG_EVERYONE_SETS:
3957 case ZFS_DELEG_EVERYONE:
3958 res = 4;
3959 break;
3960 default:
3961 res = -1;
3962 }
3963
3964 return (res);
3965}
3966
3967/* ARGSUSED */
3968static int
3969who_perm_compare(const void *larg, const void *rarg, void *unused)
3970{
3971 const who_perm_node_t *l = larg;
3972 const who_perm_node_t *r = rarg;
3973 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
3974 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
3975 int lweight = who_type2weight(ltype);
3976 int rweight = who_type2weight(rtype);
3977 int res = lweight - rweight;
3978 if (res == 0)
3979 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
3980 ZFS_MAX_DELEG_NAME-1);
3981
3982 if (res == 0)
3983 return (0);
3984 if (res > 0)
3985 return (1);
3986 else
3987 return (-1);
3988}
3989
3990/* ARGSUSED */
3991static int
3992deleg_perm_compare(const void *larg, const void *rarg, void *unused)
3993{
3994 const deleg_perm_node_t *l = larg;
3995 const deleg_perm_node_t *r = rarg;
3996 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
3997 ZFS_MAX_DELEG_NAME-1);
3998
3999 if (res == 0)
4000 return (0);
4001
4002 if (res > 0)
4003 return (1);
4004 else
4005 return (-1);
4006}
4007
4008static inline void
4009fs_perm_set_init(fs_perm_set_t *fspset)
4010{
4011 bzero(fspset, sizeof (fs_perm_set_t));
4012
4013 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
4014 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
4015 NULL, UU_DEFAULT)) == NULL)
4016 nomem();
4017 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
4018 UU_DEFAULT)) == NULL)
4019 nomem();
4020
4021 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
4022 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
4023 who_perm_node_t, who_avl_node), who_perm_compare,
4024 UU_DEFAULT)) == NULL)
4025 nomem();
4026
4027 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
4028 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
4029 who_perm_node_t, who_avl_node), who_perm_compare,
4030 UU_DEFAULT)) == NULL)
4031 nomem();
4032
4033 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
4034 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
4035 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
4036 == NULL)
4037 nomem();
4038}
4039
4040static inline void fs_perm_fini(fs_perm_t *);
4041static inline void who_perm_fini(who_perm_t *);
4042
4043static inline void
4044fs_perm_set_fini(fs_perm_set_t *fspset)
4045{
4046 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
4047
4048 while (node != NULL) {
4049 fs_perm_node_t *next_node =
4050 uu_list_next(fspset->fsps_list, node);
4051 fs_perm_t *fsperm = &node->fspn_fsperm;
4052 fs_perm_fini(fsperm);
4053 uu_list_remove(fspset->fsps_list, node);
4054 free(node);
4055 node = next_node;
4056 }
4057
4058 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
4059 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
4060 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
4061}
4062
4063static inline void
4064deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
4065 const char *name)
4066{
4067 deleg_perm->dp_who_type = type;
4068 deleg_perm->dp_name = name;
4069}
4070
4071static inline void
4072who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
4073 zfs_deleg_who_type_t type, const char *name)
4074{
4075 uu_avl_pool_t *pool;
4076 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
4077
4078 bzero(who_perm, sizeof (who_perm_t));
4079
4080 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
4081 UU_DEFAULT)) == NULL)
4082 nomem();
4083
4084 who_perm->who_type = type;
4085 who_perm->who_name = name;
4086 who_perm->who_fsperm = fsperm;
4087}
4088
4089static inline void
4090who_perm_fini(who_perm_t *who_perm)
4091{
4092 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
4093
4094 while (node != NULL) {
4095 deleg_perm_node_t *next_node =
4096 uu_avl_next(who_perm->who_deleg_perm_avl, node);
4097
4098 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
4099 free(node);
4100 node = next_node;
4101 }
4102
4103 uu_avl_destroy(who_perm->who_deleg_perm_avl);
4104}
4105
4106static inline void
4107fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
4108{
4109 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
4110 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
4111
4112 bzero(fsperm, sizeof (fs_perm_t));
4113
4114 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
4115 == NULL)
4116 nomem();
4117
4118 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
4119 == NULL)
4120 nomem();
4121
4122 fsperm->fsp_set = fspset;
4123 fsperm->fsp_name = fsname;
4124}
4125
4126static inline void
4127fs_perm_fini(fs_perm_t *fsperm)
4128{
4129 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
4130 while (node != NULL) {
4131 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
4132 node);
4133 who_perm_t *who_perm = &node->who_perm;
4134 who_perm_fini(who_perm);
4135 uu_avl_remove(fsperm->fsp_sc_avl, node);
4136 free(node);
4137 node = next_node;
4138 }
4139
4140 node = uu_avl_first(fsperm->fsp_uge_avl);
4141 while (node != NULL) {
4142 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
4143 node);
4144 who_perm_t *who_perm = &node->who_perm;
4145 who_perm_fini(who_perm);
4146 uu_avl_remove(fsperm->fsp_uge_avl, node);
4147 free(node);
4148 node = next_node;
4149 }
4150
4151 uu_avl_destroy(fsperm->fsp_sc_avl);
4152 uu_avl_destroy(fsperm->fsp_uge_avl);
4153}
4154
4155static void inline
4156set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
4157 zfs_deleg_who_type_t who_type, const char *name, char locality)
4158{
4159 uu_avl_index_t idx = 0;
4160
4161 deleg_perm_node_t *found_node = NULL;
4162 deleg_perm_t *deleg_perm = &node->dpn_perm;
4163
4164 deleg_perm_init(deleg_perm, who_type, name);
4165
4166 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
4167 == NULL)
4168 uu_avl_insert(avl, node, idx);
4169 else {
4170 node = found_node;
4171 deleg_perm = &node->dpn_perm;
4172 }
4173
4174
4175 switch (locality) {
4176 case ZFS_DELEG_LOCAL:
4177 deleg_perm->dp_local = B_TRUE;
4178 break;
4179 case ZFS_DELEG_DESCENDENT:
4180 deleg_perm->dp_descend = B_TRUE;
4181 break;
4182 case ZFS_DELEG_NA:
4183 break;
4184 default:
4185 assert(B_FALSE); /* invalid locality */
4186 }
4187}
4188
4189static inline int
4190parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
4191{
4192 nvpair_t *nvp = NULL;
4193 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
4194 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
4195 zfs_deleg_who_type_t who_type = who_perm->who_type;
4196
4197 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4198 const char *name = nvpair_name(nvp);
4199 data_type_t type = nvpair_type(nvp);
4200 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
4201 deleg_perm_node_t *node =
4202 safe_malloc(sizeof (deleg_perm_node_t));
4203
4204 VERIFY(type == DATA_TYPE_BOOLEAN);
4205
4206 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
4207 set_deleg_perm_node(avl, node, who_type, name, locality);
4208 }
4209
4210 return (0);
4211}
4212
4213static inline int
4214parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
4215{
4216 nvpair_t *nvp = NULL;
4217 fs_perm_set_t *fspset = fsperm->fsp_set;
4218
4219 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4220 nvlist_t *nvl2 = NULL;
4221 const char *name = nvpair_name(nvp);
4222 uu_avl_t *avl = NULL;
4223 uu_avl_pool_t *avl_pool = NULL;
4224 zfs_deleg_who_type_t perm_type = name[0];
4225 char perm_locality = name[1];
4226 const char *perm_name = name + 3;
4227 boolean_t is_set = B_TRUE;
4228 who_perm_t *who_perm = NULL;
4229
4230 assert('$' == name[2]);
4231
4232 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
4233 return (-1);
4234
4235 switch (perm_type) {
4236 case ZFS_DELEG_CREATE:
4237 case ZFS_DELEG_CREATE_SETS:
4238 case ZFS_DELEG_NAMED_SET:
4239 case ZFS_DELEG_NAMED_SET_SETS:
4240 avl_pool = fspset->fsps_named_set_avl_pool;
4241 avl = fsperm->fsp_sc_avl;
4242 break;
4243 case ZFS_DELEG_USER:
4244 case ZFS_DELEG_USER_SETS:
4245 case ZFS_DELEG_GROUP:
4246 case ZFS_DELEG_GROUP_SETS:
4247 case ZFS_DELEG_EVERYONE:
4248 case ZFS_DELEG_EVERYONE_SETS:
4249 avl_pool = fspset->fsps_who_perm_avl_pool;
4250 avl = fsperm->fsp_uge_avl;
4251 break;
4252 default:
4253 break;
4254 }
4255
4256 if (is_set) {
4257 who_perm_node_t *found_node = NULL;
4258 who_perm_node_t *node = safe_malloc(
4259 sizeof (who_perm_node_t));
4260 who_perm = &node->who_perm;
4261 uu_avl_index_t idx = 0;
4262
4263 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
4264 who_perm_init(who_perm, fsperm, perm_type, perm_name);
4265
4266 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
4267 == NULL) {
4268 if (avl == fsperm->fsp_uge_avl) {
4269 uid_t rid = 0;
4270 struct passwd *p = NULL;
4271 struct group *g = NULL;
4272 const char *nice_name = NULL;
4273
4274 switch (perm_type) {
4275 case ZFS_DELEG_USER_SETS:
4276 case ZFS_DELEG_USER:
4277 rid = atoi(perm_name);
4278 p = getpwuid(rid);
4279 if (p)
4280 nice_name = p->pw_name;
4281 break;
4282 case ZFS_DELEG_GROUP_SETS:
4283 case ZFS_DELEG_GROUP:
4284 rid = atoi(perm_name);
4285 g = getgrgid(rid);
4286 if (g)
4287 nice_name = g->gr_name;
4288 break;
4289 default:
4290 break;
4291 }
4292
4293 if (nice_name != NULL)
4294 (void) strlcpy(
4295 node->who_perm.who_ug_name,
4296 nice_name, 256);
4297 }
4298
4299 uu_avl_insert(avl, node, idx);
4300 } else {
4301 node = found_node;
4302 who_perm = &node->who_perm;
4303 }
4304 }
4305
4306 (void) parse_who_perm(who_perm, nvl2, perm_locality);
4307 }
4308
4309 return (0);
4310}
4311
4312static inline int
4313parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
4314{
4315 nvpair_t *nvp = NULL;
4316 uu_avl_index_t idx = 0;
4317
4318 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4319 nvlist_t *nvl2 = NULL;
4320 const char *fsname = nvpair_name(nvp);
4321 data_type_t type = nvpair_type(nvp);
4322 fs_perm_t *fsperm = NULL;
4323 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
4324 if (node == NULL)
4325 nomem();
4326
4327 fsperm = &node->fspn_fsperm;
4328
4329 VERIFY(DATA_TYPE_NVLIST == type);
4330
4331 uu_list_node_init(node, &node->fspn_list_node,
4332 fspset->fsps_list_pool);
4333
4334 idx = uu_list_numnodes(fspset->fsps_list);
4335 fs_perm_init(fsperm, fspset, fsname);
4336
4337 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
4338 return (-1);
4339
4340 (void) parse_fs_perm(fsperm, nvl2);
4341
4342 uu_list_insert(fspset->fsps_list, node, idx);
4343 }
4344
4345 return (0);
4346}
4347
4348static inline const char *
4349deleg_perm_comment(zfs_deleg_note_t note)
4350{
4351 const char *str = "";
4352
4353 /* subcommands */
4354 switch (note) {
4355 /* SUBCOMMANDS */
4356 case ZFS_DELEG_NOTE_ALLOW:
4357 str = gettext("Must also have the permission that is being"
4358 "\n\t\t\t\tallowed");
4359 break;
4360 case ZFS_DELEG_NOTE_CLONE:
4361 str = gettext("Must also have the 'create' ability and 'mount'"
4362 "\n\t\t\t\tability in the origin file system");
4363 break;
4364 case ZFS_DELEG_NOTE_CREATE:
4365 str = gettext("Must also have the 'mount' ability");
4366 break;
4367 case ZFS_DELEG_NOTE_DESTROY:
4368 str = gettext("Must also have the 'mount' ability");
4369 break;
4370 case ZFS_DELEG_NOTE_DIFF:
4371 str = gettext("Allows lookup of paths within a dataset;"
4372 "\n\t\t\t\tgiven an object number. Ordinary users need this"
4373 "\n\t\t\t\tin order to use zfs diff");
4374 break;
4375 case ZFS_DELEG_NOTE_HOLD:
4376 str = gettext("Allows adding a user hold to a snapshot");
4377 break;
4378 case ZFS_DELEG_NOTE_MOUNT:
4379 str = gettext("Allows mount/umount of ZFS datasets");
4380 break;
4381 case ZFS_DELEG_NOTE_PROMOTE:
4382 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
4383 " 'promote' ability in the origin file system");
4384 break;
4385 case ZFS_DELEG_NOTE_RECEIVE:
4386 str = gettext("Must also have the 'mount' and 'create'"
4387 " ability");
4388 break;
4389 case ZFS_DELEG_NOTE_RELEASE:
4390 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
4391 "might destroy the snapshot");
4392 break;
4393 case ZFS_DELEG_NOTE_RENAME:
4394 str = gettext("Must also have the 'mount' and 'create'"
4395 "\n\t\t\t\tability in the new parent");
4396 break;
4397 case ZFS_DELEG_NOTE_ROLLBACK:
4398 str = gettext("");
4399 break;
4400 case ZFS_DELEG_NOTE_SEND:
4401 str = gettext("");
4402 break;
4403 case ZFS_DELEG_NOTE_SHARE:
4404 str = gettext("Allows sharing file systems over NFS or SMB"
4405 "\n\t\t\t\tprotocols");
4406 break;
4407 case ZFS_DELEG_NOTE_SNAPSHOT:
4408 str = gettext("");
4409 break;
4410/*
4411 * case ZFS_DELEG_NOTE_VSCAN:
4412 * str = gettext("");
4413 * break;
4414 */
4415 /* OTHER */
4416 case ZFS_DELEG_NOTE_GROUPQUOTA:
4417 str = gettext("Allows accessing any groupquota@... property");
4418 break;
4419 case ZFS_DELEG_NOTE_GROUPUSED:
4420 str = gettext("Allows reading any groupused@... property");
4421 break;
4422 case ZFS_DELEG_NOTE_USERPROP:
4423 str = gettext("Allows changing any user property");
4424 break;
4425 case ZFS_DELEG_NOTE_USERQUOTA:
4426 str = gettext("Allows accessing any userquota@... property");
4427 break;
4428 case ZFS_DELEG_NOTE_USERUSED:
4429 str = gettext("Allows reading any userused@... property");
4430 break;
4431 /* other */
4432 default:
4433 str = "";
4434 }
4435
4436 return (str);
4437}
4438
4439struct allow_opts {
4440 boolean_t local;
4441 boolean_t descend;
4442 boolean_t user;
4443 boolean_t group;
4444 boolean_t everyone;
4445 boolean_t create;
4446 boolean_t set;
4447 boolean_t recursive; /* unallow only */
4448 boolean_t prt_usage;
4449
4450 boolean_t prt_perms;
4451 char *who;
4452 char *perms;
4453 const char *dataset;
4454};
4455
4456static inline int
4457prop_cmp(const void *a, const void *b)
4458{
4459 const char *str1 = *(const char **)a;
4460 const char *str2 = *(const char **)b;
4461 return (strcmp(str1, str2));
4462}
4463
4464static void
4465allow_usage(boolean_t un, boolean_t requested, const char *msg)
4466{
4467 const char *opt_desc[] = {
4468 "-h", gettext("show this help message and exit"),
4469 "-l", gettext("set permission locally"),
4470 "-d", gettext("set permission for descents"),
4471 "-u", gettext("set permission for user"),
4472 "-g", gettext("set permission for group"),
4473 "-e", gettext("set permission for everyone"),
4474 "-c", gettext("set create time permission"),
4475 "-s", gettext("define permission set"),
4476 /* unallow only */
4477 "-r", gettext("remove permissions recursively"),
4478 };
4479 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
4480 size_t allow_size = unallow_size - 2;
4481 const char *props[ZFS_NUM_PROPS];
4482 int i;
4483 size_t count = 0;
4484 FILE *fp = requested ? stdout : stderr;
4485 zprop_desc_t *pdtbl = zfs_prop_get_table();
4486 const char *fmt = gettext("%-16s %-14s\t%s\n");
4487
4488 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
4489 HELP_ALLOW));
4490 (void) fprintf(fp, gettext("Options:\n"));
4491 for (i = 0; i < (un ? unallow_size : allow_size); i++) {
4492 const char *opt = opt_desc[i++];
4493 const char *optdsc = opt_desc[i];
4494 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
4495 }
4496
4497 (void) fprintf(fp, gettext("\nThe following permissions are "
4498 "supported:\n\n"));
4499 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
4500 gettext("NOTES"));
4501 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
4502 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
4503 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
4504 const char *perm_type = deleg_perm_type(perm_note);
4505 const char *perm_comment = deleg_perm_comment(perm_note);
4506 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
4507 }
4508
4509 for (i = 0; i < ZFS_NUM_PROPS; i++) {
4510 zprop_desc_t *pd = &pdtbl[i];
4511 if (pd->pd_visible != B_TRUE)
4512 continue;
4513
4514 if (pd->pd_attr == PROP_READONLY)
4515 continue;
4516
4517 props[count++] = pd->pd_name;
4518 }
4519 props[count] = NULL;
4520
4521 qsort(props, count, sizeof (char *), prop_cmp);
4522
4523 for (i = 0; i < count; i++)
4524 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
4525
4526 if (msg != NULL)
4527 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
4528
4529 exit(requested ? 0 : 2);
4530}
4531
4532static inline const char *
4533munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
4534 char **permsp)
4535{
4536 if (un && argc == expected_argc - 1)
4537 *permsp = NULL;
4538 else if (argc == expected_argc)
4539 *permsp = argv[argc - 2];
4540 else
4541 allow_usage(un, B_FALSE,
4542 gettext("wrong number of parameters\n"));
4543
4544 return (argv[argc - 1]);
4545}
4546
4547static void
4548parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
4549{
4550 int uge_sum = opts->user + opts->group + opts->everyone;
4551 int csuge_sum = opts->create + opts->set + uge_sum;
4552 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
4553 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
4554
4555 if (uge_sum > 1)
4556 allow_usage(un, B_FALSE,
4557 gettext("-u, -g, and -e are mutually exclusive\n"));
4558
4559 if (opts->prt_usage) {
4560 if (argc == 0 && all_sum == 0)
4561 allow_usage(un, B_TRUE, NULL);
4562 else
4563 usage(B_FALSE);
4564 }
4565
4566 if (opts->set) {
4567 if (csuge_sum > 1)
4568 allow_usage(un, B_FALSE,
4569 gettext("invalid options combined with -s\n"));
4570
4571 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
4572 if (argv[0][0] != '@')
4573 allow_usage(un, B_FALSE,
4574 gettext("invalid set name: missing '@' prefix\n"));
4575 opts->who = argv[0];
4576 } else if (opts->create) {
4577 if (ldcsuge_sum > 1)
4578 allow_usage(un, B_FALSE,
4579 gettext("invalid options combined with -c\n"));
4580 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
4581 } else if (opts->everyone) {
4582 if (csuge_sum > 1)
4583 allow_usage(un, B_FALSE,
4584 gettext("invalid options combined with -e\n"));
4585 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
4586 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
4587 == 0) {
4588 opts->everyone = B_TRUE;
4589 argc--;
4590 argv++;
4591 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
79e72243 4592 } else if (argc == 1 && !un) {
0b7936d5
AS		 4593 opts->prt_perms = B_TRUE;
4594 opts->dataset = argv[argc-1];
4595 } else {
4596 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
4597 opts->who = argv[0];
4598 }
4599
4600 if (!opts->local && !opts->descend) {
4601 opts->local = B_TRUE;
4602 opts->descend = B_TRUE;
4603 }
4604}
4605
4606static void
4607store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
4608 const char *who, char *perms, nvlist_t *top_nvl)
4609{
4610 int i;
4611 char ld[2] = { '\0', '\0' };
4612 char who_buf[ZFS_MAXNAMELEN+32];
4613 char base_type = ZFS_DELEG_WHO_UNKNOWN;
4614 char set_type = ZFS_DELEG_WHO_UNKNOWN;
4615 nvlist_t *base_nvl = NULL;
4616 nvlist_t *set_nvl = NULL;
4617 nvlist_t *nvl;
4618
4619 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
4620 nomem();
4621 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
4622 nomem();
4623
4624 switch (type) {
4625 case ZFS_DELEG_NAMED_SET_SETS:
4626 case ZFS_DELEG_NAMED_SET:
4627 set_type = ZFS_DELEG_NAMED_SET_SETS;
4628 base_type = ZFS_DELEG_NAMED_SET;
4629 ld[0] = ZFS_DELEG_NA;
4630 break;
4631 case ZFS_DELEG_CREATE_SETS:
4632 case ZFS_DELEG_CREATE:
4633 set_type = ZFS_DELEG_CREATE_SETS;
4634 base_type = ZFS_DELEG_CREATE;
4635 ld[0] = ZFS_DELEG_NA;
4636 break;
4637 case ZFS_DELEG_USER_SETS:
4638 case ZFS_DELEG_USER:
4639 set_type = ZFS_DELEG_USER_SETS;
4640 base_type = ZFS_DELEG_USER;
4641 if (local)
4642 ld[0] = ZFS_DELEG_LOCAL;
4643 if (descend)
4644 ld[1] = ZFS_DELEG_DESCENDENT;
4645 break;
4646 case ZFS_DELEG_GROUP_SETS:
4647 case ZFS_DELEG_GROUP:
4648 set_type = ZFS_DELEG_GROUP_SETS;
4649 base_type = ZFS_DELEG_GROUP;
4650 if (local)
4651 ld[0] = ZFS_DELEG_LOCAL;
4652 if (descend)
4653 ld[1] = ZFS_DELEG_DESCENDENT;
4654 break;
4655 case ZFS_DELEG_EVERYONE_SETS:
4656 case ZFS_DELEG_EVERYONE:
4657 set_type = ZFS_DELEG_EVERYONE_SETS;
4658 base_type = ZFS_DELEG_EVERYONE;
4659 if (local)
4660 ld[0] = ZFS_DELEG_LOCAL;
4661 if (descend)
4662 ld[1] = ZFS_DELEG_DESCENDENT;
4663 default:
4664 break;
4665 }
4666
4667 if (perms != NULL) {
4668 char *curr = perms;
4669 char *end = curr + strlen(perms);
4670
4671 while (curr < end) {
4672 char *delim = strchr(curr, ',');
4673 if (delim == NULL)
4674 delim = end;
4675 else
4676 *delim = '\0';
4677
4678 if (curr[0] == '@')
4679 nvl = set_nvl;
4680 else
4681 nvl = base_nvl;
4682
4683 (void) nvlist_add_boolean(nvl, curr);
4684 if (delim != end)
4685 *delim = ',';
4686 curr = delim + 1;
4687 }
4688
4689 for (i = 0; i < 2; i++) {
4690 char locality = ld[i];
4691 if (locality == 0)
4692 continue;
4693
4694 if (!nvlist_empty(base_nvl)) {
4695 if (who != NULL)
4696 (void) snprintf(who_buf,
4697 sizeof (who_buf), "%c%c$%s",
4698 base_type, locality, who);
4699 else
4700 (void) snprintf(who_buf,
4701 sizeof (who_buf), "%c%c$",
4702 base_type, locality);
4703
4704 (void) nvlist_add_nvlist(top_nvl, who_buf,
4705 base_nvl);
4706 }
4707
4708
4709 if (!nvlist_empty(set_nvl)) {
4710 if (who != NULL)
4711 (void) snprintf(who_buf,
4712 sizeof (who_buf), "%c%c$%s",
4713 set_type, locality, who);
4714 else
4715 (void) snprintf(who_buf,
4716 sizeof (who_buf), "%c%c$",
4717 set_type, locality);
4718
4719 (void) nvlist_add_nvlist(top_nvl, who_buf,
4720 set_nvl);
4721 }
4722 }
4723 } else {
4724 for (i = 0; i < 2; i++) {
4725 char locality = ld[i];
4726 if (locality == 0)
4727 continue;
4728
4729 if (who != NULL)
4730 (void) snprintf(who_buf, sizeof (who_buf),
4731 "%c%c$%s", base_type, locality, who);
4732 else
4733 (void) snprintf(who_buf, sizeof (who_buf),
4734 "%c%c$", base_type, locality);
4735 (void) nvlist_add_boolean(top_nvl, who_buf);
4736
4737 if (who != NULL)
4738 (void) snprintf(who_buf, sizeof (who_buf),
4739 "%c%c$%s", set_type, locality, who);
4740 else
4741 (void) snprintf(who_buf, sizeof (who_buf),
4742 "%c%c$", set_type, locality);
4743 (void) nvlist_add_boolean(top_nvl, who_buf);
4744 }
4745 }
4746}
4747
4748static int
4749construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
4750{
4751 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
4752 nomem();
4753
4754 if (opts->set) {
4755 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
4756 opts->descend, opts->who, opts->perms, *nvlp);
4757 } else if (opts->create) {
4758 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
4759 opts->descend, NULL, opts->perms, *nvlp);
4760 } else if (opts->everyone) {
4761 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
4762 opts->descend, NULL, opts->perms, *nvlp);
4763 } else {
4764 char *curr = opts->who;
4765 char *end = curr + strlen(curr);
4766
4767 while (curr < end) {
4768 const char *who;
4c069d34 4769 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 4770 char *endch;
4771 char *delim = strchr(curr, ',');
4772 char errbuf[256];
4773 char id[64];
4774 struct passwd *p = NULL;
4775 struct group *g = NULL;
4776
4777 uid_t rid;
4778 if (delim == NULL)
4779 delim = end;
4780 else
4781 *delim = '\0';
4782
4783 rid = (uid_t)strtol(curr, &endch, 0);
4784 if (opts->user) {
4785 who_type = ZFS_DELEG_USER;
4786 if (*endch != '\0')
4787 p = getpwnam(curr);
4788 else
4789 p = getpwuid(rid);
4790
4791 if (p != NULL)
4792 rid = p->pw_uid;
4793 else {
4794 (void) snprintf(errbuf, 256, gettext(
4795 "invalid user %s"), curr);
4796 allow_usage(un, B_TRUE, errbuf);
4797 }
4798 } else if (opts->group) {
4799 who_type = ZFS_DELEG_GROUP;
4800 if (*endch != '\0')
4801 g = getgrnam(curr);
4802 else
4803 g = getgrgid(rid);
4804
4805 if (g != NULL)
4806 rid = g->gr_gid;
4807 else {
4808 (void) snprintf(errbuf, 256, gettext(
4809 "invalid group %s"), curr);
4810 allow_usage(un, B_TRUE, errbuf);
4811 }
4812 } else {
4813 if (*endch != '\0') {
4814 p = getpwnam(curr);
4815 } else {
4816 p = getpwuid(rid);
4817 }
4818
4819 if (p == NULL) {
4820 if (*endch != '\0') {
4821 g = getgrnam(curr);
4822 } else {
4823 g = getgrgid(rid);
4824 }
4825 }
4826
4827 if (p != NULL) {
4828 who_type = ZFS_DELEG_USER;
4829 rid = p->pw_uid;
4830 } else if (g != NULL) {
4831 who_type = ZFS_DELEG_GROUP;
4832 rid = g->gr_gid;
4833 } else {
4834 (void) snprintf(errbuf, 256, gettext(
4835 "invalid user/group %s"), curr);
4836 allow_usage(un, B_TRUE, errbuf);
4837 }
4838 }
4839
4840 (void) sprintf(id, "%u", rid);
4841 who = id;
4842
4843 store_allow_perm(who_type, opts->local,
4844 opts->descend, who, opts->perms, *nvlp);
4845 curr = delim + 1;
4846 }
4847 }
4848
4849 return (0);
4850}
4851
4852static void
4853print_set_creat_perms(uu_avl_t *who_avl)
4854{
4855 const char *sc_title[] = {
4856 gettext("Permission sets:\n"),
4857 gettext("Create time permissions:\n"),
4858 NULL
4859 };
4860 const char **title_ptr = sc_title;
4861 who_perm_node_t *who_node = NULL;
4862 int prev_weight = -1;
4863
4864 for (who_node = uu_avl_first(who_avl); who_node != NULL;
4865 who_node = uu_avl_next(who_avl, who_node)) {
4866 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
4867 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
4868 const char *who_name = who_node->who_perm.who_name;
4869 int weight = who_type2weight(who_type);
4870 boolean_t first = B_TRUE;
4871 deleg_perm_node_t *deleg_node;
4872
4873 if (prev_weight != weight) {
29b35200 4874 (void) printf("%s", *title_ptr++);
0b7936d5
AS		 4875 prev_weight = weight;
4876 }
4877
4878 if (who_name == NULL || strnlen(who_name, 1) == 0)
4879 (void) printf("\t");
4880 else
4881 (void) printf("\t%s ", who_name);
4882
4883 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
4884 deleg_node = uu_avl_next(avl, deleg_node)) {
4885 if (first) {
4886 (void) printf("%s",
4887 deleg_node->dpn_perm.dp_name);
4888 first = B_FALSE;
4889 } else
4890 (void) printf(",%s",
4891 deleg_node->dpn_perm.dp_name);
4892 }
4893
4894 (void) printf("\n");
4895 }
4896}
34dc7c2f 4897
0b7936d5
AS		 4898static void inline
4899print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
4900 const char *title)
4901{
4902 who_perm_node_t *who_node = NULL;
4903 boolean_t prt_title = B_TRUE;
4904 uu_avl_walk_t *walk;
34dc7c2f 4905
0b7936d5
AS		 4906 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
4907 nomem();
34dc7c2f 4908
0b7936d5
AS		 4909 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
4910 const char *who_name = who_node->who_perm.who_name;
4911 const char *nice_who_name = who_node->who_perm.who_ug_name;
4912 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
4913 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
4914 char delim = ' ';
4915 deleg_perm_node_t *deleg_node;
4916 boolean_t prt_who = B_TRUE;
4917
4918 for (deleg_node = uu_avl_first(avl);
4919 deleg_node != NULL;
4920 deleg_node = uu_avl_next(avl, deleg_node)) {
4921 if (local != deleg_node->dpn_perm.dp_local ||
4922 descend != deleg_node->dpn_perm.dp_descend)
4923 continue;
4924
4925 if (prt_who) {
4926 const char *who = NULL;
4927 if (prt_title) {
4928 prt_title = B_FALSE;
29b35200 4929 (void) printf("%s", title);
0b7936d5
AS		 4930 }
4931
4932 switch (who_type) {
4933 case ZFS_DELEG_USER_SETS:
4934 case ZFS_DELEG_USER:
4935 who = gettext("user");
4936 if (nice_who_name)
4937 who_name = nice_who_name;
4938 break;
4939 case ZFS_DELEG_GROUP_SETS:
4940 case ZFS_DELEG_GROUP:
4941 who = gettext("group");
4942 if (nice_who_name)
4943 who_name = nice_who_name;
4944 break;
4945 case ZFS_DELEG_EVERYONE_SETS:
4946 case ZFS_DELEG_EVERYONE:
4947 who = gettext("everyone");
4948 who_name = NULL;
4949 default:
4950 break;
4951 }
4952
4953 prt_who = B_FALSE;
4954 if (who_name == NULL)
4955 (void) printf("\t%s", who);
4956 else
4957 (void) printf("\t%s %s", who, who_name);
34dc7c2f 4958 }
0b7936d5
AS		 4959
4960 (void) printf("%c%s", delim,
4961 deleg_node->dpn_perm.dp_name);
4962 delim = ',';
34dc7c2f 4963 }
34dc7c2f 4964
0b7936d5
AS		 4965 if (!prt_who)
4966 (void) printf("\n");
4967 }
428870ff 4968
0b7936d5
AS		 4969 uu_avl_walk_end(walk);
4970}
34dc7c2f 4971
0b7936d5
AS		 4972static void
4973print_fs_perms(fs_perm_set_t *fspset)
4974{
4975 fs_perm_node_t *node = NULL;
4976 char buf[ZFS_MAXNAMELEN+32];
4977 const char *dsname = buf;
4978
4979 for (node = uu_list_first(fspset->fsps_list); node != NULL;
4980 node = uu_list_next(fspset->fsps_list, node)) {
4981 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
4982 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
4983 int left = 0;
4984
4985 (void) snprintf(buf, ZFS_MAXNAMELEN+32,
4986 gettext("---- Permissions on %s "),
4987 node->fspn_fsperm.fsp_name);
29b35200 4988 (void) printf("%s", dsname);
0b7936d5
AS		 4989 left = 70 - strlen(buf);
4990 while (left-- > 0)
4991 (void) printf("-");
4992 (void) printf("\n");
4993
4994 print_set_creat_perms(sc_avl);
4995 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
4996 gettext("Local permissions:\n"));
4997 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
4998 gettext("Descendent permissions:\n"));
4999 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
5000 gettext("Local+Descendent permissions:\n"));
428870ff 5001 }
0b7936d5 5002}
34dc7c2f 5003
0b7936d5
AS		 5004static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
5005
5006struct deleg_perms {
5007 boolean_t un;
5008 nvlist_t *nvl;
5009};
5010
5011static int
5012set_deleg_perms(zfs_handle_t *zhp, void *data)
5013{
5014 struct deleg_perms *perms = (struct deleg_perms *)data;
5015 zfs_type_t zfs_type = zfs_get_type(zhp);
5016
5017 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
5018 return (0);
5019
5020 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 5021}
5022
34dc7c2f 5023static int
0b7936d5 5024zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 5025{
0b7936d5
AS		 5026 zfs_handle_t *zhp;
5027 nvlist_t *perm_nvl = NULL;
5028 nvlist_t *update_perm_nvl = NULL;
5029 int error = 1;
5030 int c;
5031 struct allow_opts opts = { 0 };
34dc7c2f 5032
0b7936d5
AS		 5033 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
5034
5035 /* check opts */
5036 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 5037 switch (c) {
0b7936d5
AS		 5038 case 'l':
5039 opts.local = B_TRUE;
5040 break;
34dc7c2f 5041 case 'd':
0b7936d5 5042 opts.descend = B_TRUE;
34dc7c2f 5043 break;
0b7936d5
AS		 5044 case 'u':
5045 opts.user = B_TRUE;
428870ff 5046 break;
0b7936d5
AS		 5047 case 'g':
5048 opts.group = B_TRUE;
34dc7c2f 5049 break;
0b7936d5
AS		 5050 case 'e':
5051 opts.everyone = B_TRUE;
d164b209 5052 break;
0b7936d5
AS		 5053 case 's':
5054 opts.set = B_TRUE;
34dc7c2f 5055 break;
0b7936d5
AS		 5056 case 'c':
5057 opts.create = B_TRUE;
5058 break;
5059 case 'r':
5060 opts.recursive = B_TRUE;
34dc7c2f
BB		 5061 break;
5062 case ':':
5063 (void) fprintf(stderr, gettext("missing argument for "
5064 "'%c' option\n"), optopt);
5065 usage(B_FALSE);
5066 break;
0b7936d5
AS		 5067 case 'h':
5068 opts.prt_usage = B_TRUE;
5069 break;
34dc7c2f
BB		 5070 case '?':
5071 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5072 optopt);
5073 usage(B_FALSE);
5074 }
5075 }
5076
5077 argc -= optind;
5078 argv += optind;
5079
0b7936d5
AS		 5080 /* check arguments */
5081 parse_allow_args(argc, argv, un, &opts);
5082
5083 /* try to open the dataset */
684e8c06
AE		 5084 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
5085 ZFS_TYPE_VOLUME)) == NULL) {
5086 (void) fprintf(stderr, "Failed to open dataset: %s\n",
0b7936d5
AS		 5087 opts.dataset);
5088 return (-1);
34dc7c2f 5089 }
0b7936d5
AS		 5090
5091 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
5092 goto cleanup2;
5093
5094 fs_perm_set_init(&fs_perm_set);
5095 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
684e8c06 5096 (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
0b7936d5 5097 goto cleanup1;
34dc7c2f
BB		 5098 }
5099
0b7936d5
AS		 5100 if (opts.prt_perms)
5101 print_fs_perms(&fs_perm_set);
5102 else {
5103 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
5104 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
5105 goto cleanup0;
5106
5107 if (un && opts.recursive) {
5108 struct deleg_perms data = { un, update_perm_nvl };
5109 if (zfs_iter_filesystems(zhp, set_deleg_perms,
5110 &data) != 0)
5111 goto cleanup0;
5112 }
34dc7c2f
BB		 5113 }
5114
0b7936d5 5115 error = 0;
34dc7c2f 5116
0b7936d5
AS		 5117cleanup0:
5118 nvlist_free(perm_nvl);
5119 if (update_perm_nvl != NULL)
5120 nvlist_free(update_perm_nvl);
5121cleanup1:
5122 fs_perm_set_fini(&fs_perm_set);
5123cleanup2:
5124 zfs_close(zhp);
5125
5126 return (error);
5127}
5128
0b7936d5
AS		 5129static int
5130zfs_do_allow(int argc, char **argv)
5131{
5132 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
5133}
5134
0b7936d5
AS		 5135static int
5136zfs_do_unallow(int argc, char **argv)
5137{
5138 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 5139}
5140
45d1cae3
BB		 5141static int
5142zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
5143{
5144 int errors = 0;
5145 int i;
5146 const char *tag;
5147 boolean_t recursive = B_FALSE;
428870ff 5148 const char *opts = holding ? "rt" : "r";
45d1cae3 5149 int c;
45d1cae3
BB		 5150
5151 /* check options */
428870ff 5152 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 5153 switch (c) {
5154 case 'r':
5155 recursive = B_TRUE;
5156 break;
5157 case '?':
5158 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5159 optopt);
5160 usage(B_FALSE);
5161 }
5162 }
5163
5164 argc -= optind;
5165 argv += optind;
5166
5167 /* check number of arguments */
5168 if (argc < 2)
5169 usage(B_FALSE);
5170
5171 tag = argv[0];
5172 --argc;
5173 ++argv;
5174
428870ff
BB		 5175 if (holding && tag[0] == '.') {
5176 /* tags starting with '.' are reserved for libzfs */
5177 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
5178 usage(B_FALSE);
45d1cae3
BB		 5179 }
5180
5181 for (i = 0; i < argc; ++i) {
5182 zfs_handle_t *zhp;
5183 char parent[ZFS_MAXNAMELEN];
5184 const char *delim;
5185 char *path = argv[i];
5186
5187 delim = strchr(path, '@');
5188 if (delim == NULL) {
5189 (void) fprintf(stderr,
5190 gettext("'%s' is not a snapshot\n"), path);
5191 ++errors;
5192 continue;
5193 }
5194 (void) strncpy(parent, path, delim - path);
5195 parent[delim - path] = '\0';
5196
5197 zhp = zfs_open(g_zfs, parent,
5198 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
5199 if (zhp == NULL) {
5200 ++errors;
5201 continue;
5202 }
428870ff 5203 if (holding) {
95fd54a1 5204 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0)
428870ff
BB		 5205 ++errors;
5206 } else {
5207 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
5208 ++errors;
5209 }
45d1cae3
BB		 5210 zfs_close(zhp);
5211 }
5212
5213 return (errors != 0);
5214}
5215
5216/*
428870ff 5217 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 5218 *
428870ff 5219 * -r Recursively hold
45d1cae3
BB		 5220 *
5221 * Apply a user-hold with the given tag to the list of snapshots.
5222 */
5223static int
5224zfs_do_hold(int argc, char **argv)
5225{
5226 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
5227}
5228
5229/*
5230 * zfs release [-r] <tag> <snap> ...
5231 *
428870ff 5232 * -r Recursively release
45d1cae3
BB		 5233 *
5234 * Release a user-hold with the given tag from the list of snapshots.
5235 */
5236static int
5237zfs_do_release(int argc, char **argv)
5238{
5239 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
5240}
5241
0b7936d5
AS		 5242typedef struct holds_cbdata {
5243 boolean_t cb_recursive;
5244 const char *cb_snapname;
5245 nvlist_t **cb_nvlp;
5246 size_t cb_max_namelen;
5247 size_t cb_max_taglen;
5248} holds_cbdata_t;
5249
5250#define STRFTIME_FMT_STR "%a %b %e %k:%M %Y"
5251#define DATETIME_BUF_LEN (32)
5252/*
5253 *
5254 */
5255static void
5256print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl)
5257{
5258 int i;
5259 nvpair_t *nvp = NULL;
5260 char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
5261 const char *col;
5262
5263 if (!scripted) {
5264 for (i = 0; i < 3; i++) {
5265 col = gettext(hdr_cols[i]);
5266 if (i < 2)
5267 (void) printf("%-*s ", i ? tagwidth : nwidth,
5268 col);
5269 else
5270 (void) printf("%s\n", col);
5271 }
5272 }
5273
5274 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5275 char *zname = nvpair_name(nvp);
5276 nvlist_t *nvl2;
5277 nvpair_t *nvp2 = NULL;
5278 (void) nvpair_value_nvlist(nvp, &nvl2);
5279 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
5280 char tsbuf[DATETIME_BUF_LEN];
5281 char *tagname = nvpair_name(nvp2);
5282 uint64_t val = 0;
5283 time_t time;
5284 struct tm t;
5285 char sep = scripted ? '\t' : ' ';
5286 int sepnum = scripted ? 1 : 2;
5287
5288 (void) nvpair_value_uint64(nvp2, &val);
5289 time = (time_t)val;
5290 (void) localtime_r(&time, &t);
5291 (void) strftime(tsbuf, DATETIME_BUF_LEN,
5292 gettext(STRFTIME_FMT_STR), &t);
5293
5294 (void) printf("%-*s%*c%-*s%*c%s\n", nwidth, zname,
5295 sepnum, sep, tagwidth, tagname, sepnum, sep, tsbuf);
5296 }
5297 }
5298}
5299
5300/*
5301 * Generic callback function to list a dataset or snapshot.
5302 */
5303static int
5304holds_callback(zfs_handle_t *zhp, void *data)
5305{
5306 holds_cbdata_t *cbp = data;
5307 nvlist_t *top_nvl = *cbp->cb_nvlp;
5308 nvlist_t *nvl = NULL;
5309 nvpair_t *nvp = NULL;
5310 const char *zname = zfs_get_name(zhp);
5311 size_t znamelen = strnlen(zname, ZFS_MAXNAMELEN);
5312
5313 if (cbp->cb_recursive) {
5314 const char *snapname;
5315 char *delim = strchr(zname, '@');
5316 if (delim == NULL)
5317 return (0);
5318
5319 snapname = delim + 1;
5320 if (strcmp(cbp->cb_snapname, snapname))
5321 return (0);
5322 }
5323
5324 if (zfs_get_holds(zhp, &nvl) != 0)
5325 return (-1);
5326
5327 if (znamelen > cbp->cb_max_namelen)
5328 cbp->cb_max_namelen = znamelen;
5329
5330 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5331 const char *tag = nvpair_name(nvp);
5332 size_t taglen = strnlen(tag, MAXNAMELEN);
5333 if (taglen > cbp->cb_max_taglen)
5334 cbp->cb_max_taglen = taglen;
5335 }
5336
5337 return (nvlist_add_nvlist(top_nvl, zname, nvl));
5338}
5339
5340/*
5341 * zfs holds [-r] <snap> ...
5342 *
5343 * -r Recursively hold
5344 */
5345static int
5346zfs_do_holds(int argc, char **argv)
5347{
5348 int errors = 0;
5349 int c;
5350 int i;
5351 boolean_t scripted = B_FALSE;
5352 boolean_t recursive = B_FALSE;
5353 const char *opts = "rH";
5354 nvlist_t *nvl;
5355
5356 int types = ZFS_TYPE_SNAPSHOT;
5357 holds_cbdata_t cb = { 0 };
5358
5359 int limit = 0;
ad60af8e 5360 int ret = 0;
0b7936d5
AS		 5361 int flags = 0;
5362
5363 /* check options */
5364 while ((c = getopt(argc, argv, opts)) != -1) {
5365 switch (c) {
5366 case 'r':
5367 recursive = B_TRUE;
5368 break;
5369 case 'H':
5370 scripted = B_TRUE;
5371 break;
5372 case '?':
5373 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5374 optopt);
5375 usage(B_FALSE);
5376 }
5377 }
5378
5379 if (recursive) {
5380 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
5381 flags |= ZFS_ITER_RECURSE;
5382 }
5383
5384 argc -= optind;
5385 argv += optind;
5386
5387 /* check number of arguments */
5388 if (argc < 1)
5389 usage(B_FALSE);
5390
5391 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
5392 nomem();
5393
5394 for (i = 0; i < argc; ++i) {
5395 char *snapshot = argv[i];
5396 const char *delim;
5397 const char *snapname;
5398
5399 delim = strchr(snapshot, '@');
5400 if (delim == NULL) {
5401 (void) fprintf(stderr,
5402 gettext("'%s' is not a snapshot\n"), snapshot);
5403 ++errors;
5404 continue;
5405 }
5406 snapname = delim + 1;
5407 if (recursive)
5408 snapshot[delim - snapshot] = '\0';
5409
5410 cb.cb_recursive = recursive;
5411 cb.cb_snapname = snapname;
5412 cb.cb_nvlp = &nvl;
5413
5414 /*
5415 * 1. collect holds data, set format options
5416 */
5417 ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit,
5418 holds_callback, &cb);
5419 if (ret != 0)
5420 ++errors;
5421 }
5422
5423 /*
5424 * 2. print holds data
5425 */
5426 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl);
5427
5428 if (nvlist_empty(nvl))
42cb3819 5429 (void) fprintf(stderr, gettext("no datasets available\n"));
0b7936d5
AS		 5430
5431 nvlist_free(nvl);
5432
5433 return (0 != errors);
5434}
5435
34dc7c2f
BB		 5436#define CHECK_SPINNER 30
5437#define SPINNER_TIME 3 /* seconds */
5438#define MOUNT_TIME 5 /* seconds */
5439
5440static int
5441get_one_dataset(zfs_handle_t *zhp, void *data)
5442{
428870ff 5443 static char *spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 5444 static int spinval = 0;
5445 static int spincheck = 0;
5446 static time_t last_spin_time = (time_t)0;
572e2857 5447 get_all_cb_t *cbp = data;
34dc7c2f
BB		 5448 zfs_type_t type = zfs_get_type(zhp);
5449
5450 if (cbp->cb_verbose) {
5451 if (--spincheck < 0) {
5452 time_t now = time(NULL);
5453 if (last_spin_time + SPINNER_TIME < now) {
428870ff 5454 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 5455 last_spin_time = now;
5456 }
5457 spincheck = CHECK_SPINNER;
5458 }
5459 }
5460
5461 /*
254255f7 5462 * Iterate over any nested datasets.
34dc7c2f 5463 */
572e2857 5464 if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
34dc7c2f
BB		 5465 zfs_close(zhp);
5466 return (1);
5467 }
5468
5469 /*
5470 * Skip any datasets whose type does not match.
5471 */
572e2857 5472 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 5473 zfs_close(zhp);
5474 return (0);
5475 }
572e2857
BB		 5476 libzfs_add_handle(cbp, zhp);
5477 assert(cbp->cb_used <= cbp->cb_alloc);
34dc7c2f
BB		 5478
5479 return (0);
5480}
5481
5482static void
572e2857 5483get_all_datasets(zfs_handle_t ***dslist, size_t *count, boolean_t verbose)
34dc7c2f 5484{
572e2857 5485 get_all_cb_t cb = { 0 };
34dc7c2f 5486 cb.cb_verbose = verbose;
572e2857 5487 cb.cb_getone = get_one_dataset;
34dc7c2f 5488
428870ff
BB		 5489 if (verbose)
5490 set_progress_header(gettext("Reading ZFS config"));
34dc7c2f
BB		 5491 (void) zfs_iter_root(g_zfs, get_one_dataset, &cb);
5492
5493 *dslist = cb.cb_handles;
5494 *count = cb.cb_used;
5495
428870ff
BB		 5496 if (verbose)
5497 finish_progress(gettext("done."));
34dc7c2f
BB		 5498}
5499
34dc7c2f
BB		 5500/*
5501 * Generic callback for sharing or mounting filesystems. Because the code is so
5502 * similar, we have a common function with an extra parameter to determine which
5503 * mode we are using.
5504 */
5505#define OP_SHARE 0x1
5506#define OP_MOUNT 0x2
5507
5508/*
5509 * Share or mount a dataset.
5510 */
5511static int
5512share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
5513 boolean_t explicit, const char *options)
5514{
5515 char mountpoint[ZFS_MAXPROPLEN];
5516 char shareopts[ZFS_MAXPROPLEN];
5517 char smbshareopts[ZFS_MAXPROPLEN];
5518 const char *cmdname = op == OP_SHARE ? "share" : "mount";
5519 struct mnttab mnt;
5520 uint64_t zoned, canmount;
34dc7c2f
BB		 5521 boolean_t shared_nfs, shared_smb;
5522
572e2857 5523 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 5524
572e2857
BB		 5525 /*
5526 * Check to make sure we can mount/share this dataset. If we
5527 * are in the global zone and the filesystem is exported to a
5528 * local zone, or if we are in a local zone and the
5529 * filesystem is not exported, then it is an error.
5530 */
5531 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 5532
572e2857
BB		 5533 if (zoned && getzoneid() == GLOBAL_ZONEID) {
5534 if (!explicit)
5535 return (0);
34dc7c2f 5536
572e2857
BB		 5537 (void) fprintf(stderr, gettext("cannot %s '%s': "
5538 "dataset is exported to a local zone\n"), cmdname,
5539 zfs_get_name(zhp));
5540 return (1);
34dc7c2f 5541
572e2857
BB		 5542 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
5543 if (!explicit)
5544 return (0);
34dc7c2f 5545
572e2857
BB		 5546 (void) fprintf(stderr, gettext("cannot %s '%s': "
5547 "permission denied\n"), cmdname,
5548 zfs_get_name(zhp));
5549 return (1);
5550 }
34dc7c2f 5551
572e2857
BB		 5552 /*
5553 * Ignore any filesystems which don't apply to us. This
5554 * includes those with a legacy mountpoint, or those with
5555 * legacy share options.
5556 */
5557 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
5558 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
5559 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
5560 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
5561 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
5562 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
5563
5564 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
5565 strcmp(smbshareopts, "off") == 0) {
5566 if (!explicit)
5567 return (0);
34dc7c2f 5568
572e2857
BB		 5569 (void) fprintf(stderr, gettext("cannot share '%s': "
5570 "legacy share\n"), zfs_get_name(zhp));
5571 (void) fprintf(stderr, gettext("use share(1M) to "
5572 "share this filesystem, or set "
5573 "sharenfs property on\n"));
5574 return (1);
5575 }
34dc7c2f 5576
572e2857
BB		 5577 /*
5578 * We cannot share or mount legacy filesystems. If the
5579 * shareopts is non-legacy but the mountpoint is legacy, we
5580 * treat it as a legacy share.
5581 */
5582 if (strcmp(mountpoint, "legacy") == 0) {
5583 if (!explicit)
5584 return (0);
34dc7c2f 5585
572e2857
BB		 5586 (void) fprintf(stderr, gettext("cannot %s '%s': "
5587 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
5588 (void) fprintf(stderr, gettext("use %s(1M) to "
5589 "%s this filesystem\n"), cmdname, cmdname);
5590 return (1);
5591 }
34dc7c2f 5592
572e2857
BB		 5593 if (strcmp(mountpoint, "none") == 0) {
5594 if (!explicit)
5595 return (0);
34dc7c2f 5596
572e2857
BB		 5597 (void) fprintf(stderr, gettext("cannot %s '%s': no "
5598 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
5599 return (1);
5600 }
34dc7c2f 5601
572e2857
BB		 5602 /*
5603 * canmount explicit outcome
5604 * on no pass through
5605 * on yes pass through
5606 * off no return 0
5607 * off yes display error, return 1
5608 * noauto no return 0
5609 * noauto yes pass through
5610 */
5611 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
5612 if (canmount == ZFS_CANMOUNT_OFF) {
5613 if (!explicit)
5614 return (0);
5615
5616 (void) fprintf(stderr, gettext("cannot %s '%s': "
5617 "'canmount' property is set to 'off'\n"), cmdname,
5618 zfs_get_name(zhp));
5619 return (1);
5620 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
5621 return (0);
5622 }
5623
5624 /*
5625 * At this point, we have verified that the mountpoint and/or
5626 * shareopts are appropriate for auto management. If the
5627 * filesystem is already mounted or shared, return (failing
5628 * for explicit requests); otherwise mount or share the
5629 * filesystem.
5630 */
5631 switch (op) {
5632 case OP_SHARE:
5633
5634 shared_nfs = zfs_is_shared_nfs(zhp, NULL);
5635 shared_smb = zfs_is_shared_smb(zhp, NULL);
5636
149e873a
BB		 5637 if ((shared_nfs && shared_smb) ||
5638 ((shared_nfs && strcmp(shareopts, "on") == 0) &&
5639 (strcmp(smbshareopts, "off") == 0)) ||
5640 ((shared_smb && strcmp(smbshareopts, "on") == 0) &&
5641 (strcmp(shareopts, "off") == 0))) {
34dc7c2f
BB		 5642 if (!explicit)
5643 return (0);
5644
572e2857
BB		 5645 (void) fprintf(stderr, gettext("cannot share "
5646 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 5647 zfs_get_name(zhp));
5648 return (1);
34dc7c2f
BB		 5649 }
5650
572e2857
BB		 5651 if (!zfs_is_mounted(zhp, NULL) &&
5652 zfs_mount(zhp, NULL, 0) != 0)
5653 return (1);
34dc7c2f 5654
572e2857
BB		 5655 if (protocol == NULL) {
5656 if (zfs_shareall(zhp) != 0)
34dc7c2f 5657 return (1);
572e2857
BB		 5658 } else if (strcmp(protocol, "nfs") == 0) {
5659 if (zfs_share_nfs(zhp))
34dc7c2f 5660 return (1);
572e2857
BB		 5661 } else if (strcmp(protocol, "smb") == 0) {
5662 if (zfs_share_smb(zhp))
34dc7c2f 5663 return (1);
572e2857
BB		 5664 } else {
5665 (void) fprintf(stderr, gettext("cannot share "
5666 "'%s': invalid share type '%s' "
5667 "specified\n"),
5668 zfs_get_name(zhp), protocol);
5669 return (1);
5670 }
34dc7c2f 5671
572e2857 5672 break;
34dc7c2f 5673
572e2857
BB		 5674 case OP_MOUNT:
5675 if (options == NULL)
5676 mnt.mnt_mntopts = "";
5677 else
5678 mnt.mnt_mntopts = (char *)options;
34dc7c2f 5679
572e2857
BB		 5680 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
5681 zfs_is_mounted(zhp, NULL)) {
5682 if (!explicit)
5683 return (0);
34dc7c2f 5684
572e2857
BB		 5685 (void) fprintf(stderr, gettext("cannot mount "
5686 "'%s': filesystem already mounted\n"),
5687 zfs_get_name(zhp));
5688 return (1);
34dc7c2f 5689 }
572e2857
BB		 5690
5691 if (zfs_mount(zhp, options, flags) != 0)
5692 return (1);
5693 break;
5694 }
34dc7c2f 5695
34dc7c2f
BB		 5696 return (0);
5697}
5698
5699/*
5700 * Reports progress in the form "(current/total)". Not thread-safe.
5701 */
5702static void
5703report_mount_progress(int current, int total)
5704{
428870ff 5705 static time_t last_progress_time = 0;
34dc7c2f 5706 time_t now = time(NULL);
428870ff 5707 char info[32];
34dc7c2f
BB		 5708
5709 /* report 1..n instead of 0..n-1 */
5710 ++current;
5711
5712 /* display header if we're here for the first time */
5713 if (current == 1) {
428870ff 5714 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 5715 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
5716 /* too soon to report again */
5717 return;
5718 }
5719
5720 last_progress_time = now;
5721
428870ff 5722 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 5723
428870ff
BB		 5724 if (current == total)
5725 finish_progress(info);
5726 else
5727 update_progress(info);
34dc7c2f
BB		 5728}
5729
5730static void
5731append_options(char *mntopts, char *newopts)
5732{
5733 int len = strlen(mntopts);
5734
5735 /* original length plus new string to append plus 1 for the comma */
5736 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
5737 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 5738 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 5739 "-o", MNT_LINE_MAX);
5740 usage(B_FALSE);
5741 }
5742
5743 if (*mntopts)
5744 mntopts[len++] = ',';
5745
5746 (void) strcpy(&mntopts[len], newopts);
5747}
5748
5749static int
5750share_mount(int op, int argc, char **argv)
5751{
5752 int do_all = 0;
5753 boolean_t verbose = B_FALSE;
5754 int c, ret = 0;
5755 char *options = NULL;
572e2857 5756 int flags = 0;
34dc7c2f
BB		 5757
5758 /* check options */
e18be9a6 5759 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:O" : "a"))
34dc7c2f
BB		 5760 != -1) {
5761 switch (c) {
5762 case 'a':
5763 do_all = 1;
5764 break;
5765 case 'v':
5766 verbose = B_TRUE;
5767 break;
5768 case 'o':
5769 if (*optarg == '\0') {
5770 (void) fprintf(stderr, gettext("empty mount "
5771 "options (-o) specified\n"));
5772 usage(B_FALSE);
5773 }
5774
5775 if (options == NULL)
5776 options = safe_malloc(MNT_LINE_MAX + 1);
5777
5778 /* option validation is done later */
5779 append_options(options, optarg);
5780 break;
e18be9a6
SC		 5781 case 'O':
5782 flags |= MS_OVERLAY;
5783 break;
34dc7c2f
BB		 5784 case ':':
5785 (void) fprintf(stderr, gettext("missing argument for "
5786 "'%c' option\n"), optopt);
5787 usage(B_FALSE);
5788 break;
5789 case '?':
5790 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5791 optopt);
5792 usage(B_FALSE);
5793 }
5794 }
5795
5796 argc -= optind;
5797 argv += optind;
5798
5799 /* check number of arguments */
5800 if (do_all) {
5801 zfs_handle_t **dslist = NULL;
5802 size_t i, count = 0;
5803 char *protocol = NULL;
5804
572e2857
BB		 5805 if (op == OP_SHARE && argc > 0) {
5806 if (strcmp(argv[0], "nfs") != 0 &&
5807 strcmp(argv[0], "smb") != 0) {
34dc7c2f 5808 (void) fprintf(stderr, gettext("share type "
428870ff 5809 "must be 'nfs' or 'smb'\n"));
34dc7c2f
BB		 5810 usage(B_FALSE);
5811 }
5812 protocol = argv[0];
5813 argc--;
5814 argv++;
34dc7c2f
BB		 5815 }
5816
5817 if (argc != 0) {
5818 (void) fprintf(stderr, gettext("too many arguments\n"));
5819 usage(B_FALSE);
5820 }
5821
428870ff 5822 start_progress_timer();
572e2857 5823 get_all_datasets(&dslist, &count, verbose);
34dc7c2f
BB		 5824
5825 if (count == 0)
5826 return (0);
5827
572e2857 5828 qsort(dslist, count, sizeof (void *), libzfs_dataset_cmp);
34dc7c2f
BB		 5829
5830 for (i = 0; i < count; i++) {
5831 if (verbose)
5832 report_mount_progress(i, count);
5833
5834 if (share_mount_one(dslist[i], op, flags, protocol,
5835 B_FALSE, options) != 0)
5836 ret = 1;
5837 zfs_close(dslist[i]);
5838 }
5839
5840 free(dslist);
5841 } else if (argc == 0) {
5842 struct mnttab entry;
5843
5844 if ((op == OP_SHARE) || (options != NULL)) {
5845 (void) fprintf(stderr, gettext("missing filesystem "
5846 "argument (specify -a for all)\n"));
5847 usage(B_FALSE);
5848 }
5849
5850 /*
9a616b5d 5851 * When mount is given no arguments, go through /etc/mtab and
34dc7c2f
BB		 5852 * display any active ZFS mounts. We hide any snapshots, since
5853 * they are controlled automatically.
5854 */
5855 rewind(mnttab_file);
5856 while (getmntent(mnttab_file, &entry) == 0) {
5857 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
5858 strchr(entry.mnt_special, '@') != NULL)
5859 continue;
5860
5861 (void) printf("%-30s %s\n", entry.mnt_special,
5862 entry.mnt_mountp);
5863 }
5864
5865 } else {
5866 zfs_handle_t *zhp;
5867
34dc7c2f
BB		 5868 if (argc > 1) {
5869 (void) fprintf(stderr,
5870 gettext("too many arguments\n"));
5871 usage(B_FALSE);
5872 }
5873
572e2857
BB		 5874 if ((zhp = zfs_open(g_zfs, argv[0],
5875 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 5876 ret = 1;
5877 } else {
5878 ret = share_mount_one(zhp, op, flags, NULL, B_TRUE,
5879 options);
5880 zfs_close(zhp);
5881 }
5882 }
5883
5884 return (ret);
5885}
5886
5887/*
428870ff 5888 * zfs mount -a [nfs]
34dc7c2f
BB		 5889 * zfs mount filesystem
5890 *
5891 * Mount all filesystems, or mount the given filesystem.
5892 */
5893static int
5894zfs_do_mount(int argc, char **argv)
5895{
5896 return (share_mount(OP_MOUNT, argc, argv));
5897}
5898
5899/*
428870ff 5900 * zfs share -a [nfs | smb]
34dc7c2f
BB		 5901 * zfs share filesystem
5902 *
5903 * Share all filesystems, or share the given filesystem.
5904 */
5905static int
5906zfs_do_share(int argc, char **argv)
5907{
5908 return (share_mount(OP_SHARE, argc, argv));
5909}
5910
5911typedef struct unshare_unmount_node {
5912 zfs_handle_t *un_zhp;
5913 char *un_mountp;
5914 uu_avl_node_t un_avlnode;
5915} unshare_unmount_node_t;
5916
5917/* ARGSUSED */
5918static int
5919unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
5920{
5921 const unshare_unmount_node_t *l = larg;
5922 const unshare_unmount_node_t *r = rarg;
5923
5924 return (strcmp(l->un_mountp, r->un_mountp));
5925}
5926
5927/*
5928 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
9a616b5d 5929 * absolute path, find the entry /etc/mtab, verify that its a ZFS filesystem,
34dc7c2f
BB		 5930 * and unmount it appropriately.
5931 */
5932static int
5933unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
5934{
5935 zfs_handle_t *zhp;
ad60af8e 5936 int ret = 0;
34dc7c2f
BB		 5937 struct stat64 statbuf;
5938 struct extmnttab entry;
5939 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
5940 ino_t path_inode;
5941
5942 /*
9a616b5d 5943 * Search for the path in /etc/mtab. Rather than looking for the
34dc7c2f
BB		 5944 * specific path, which can be fooled by non-standard paths (i.e. ".."
5945 * or "//"), we stat() the path and search for the corresponding
5946 * (major,minor) device pair.
5947 */
5948 if (stat64(path, &statbuf) != 0) {
5949 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
5950 cmdname, path, strerror(errno));
5951 return (1);
5952 }
5953 path_inode = statbuf.st_ino;
5954
5955 /*
5956 * Search for the given (major,minor) pair in the mount table.
5957 */
5958 rewind(mnttab_file);
5959 while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) {
5960 if (entry.mnt_major == major(statbuf.st_dev) &&
5961 entry.mnt_minor == minor(statbuf.st_dev))
5962 break;
5963 }
5964 if (ret != 0) {
5965 if (op == OP_SHARE) {
5966 (void) fprintf(stderr, gettext("cannot %s '%s': not "
5967 "currently mounted\n"), cmdname, path);
5968 return (1);
5969 }
9a616b5d 5970 (void) fprintf(stderr, gettext("warning: %s not in mtab\n"),
34dc7c2f
BB		 5971 path);
5972 if ((ret = umount2(path, flags)) != 0)
5973 (void) fprintf(stderr, gettext("%s: %s\n"), path,
5974 strerror(errno));
5975 return (ret != 0);
5976 }
5977
5978 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
5979 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
5980 "filesystem\n"), cmdname, path);
5981 return (1);
5982 }
5983
5984 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
5985 ZFS_TYPE_FILESYSTEM)) == NULL)
5986 return (1);
5987
34dc7c2f 5988 ret = 1;
b128c09f
BB		 5989 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
5990 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
5991 cmdname, path, strerror(errno));
5992 goto out;
5993 } else if (statbuf.st_ino != path_inode) {
5994 (void) fprintf(stderr, gettext("cannot "
5995 "%s '%s': not a mountpoint\n"), cmdname, path);
5996 goto out;
5997 }
5998
34dc7c2f
BB		 5999 if (op == OP_SHARE) {
6000 char nfs_mnt_prop[ZFS_MAXPROPLEN];
6001 char smbshare_prop[ZFS_MAXPROPLEN];
6002
6003 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
6004 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
6005 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
6006 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
6007
6008 if (strcmp(nfs_mnt_prop, "off") == 0 &&
6009 strcmp(smbshare_prop, "off") == 0) {
6010 (void) fprintf(stderr, gettext("cannot unshare "
6011 "'%s': legacy share\n"), path);
9a616b5d
BB		 6012 (void) fprintf(stderr, gettext("use exportfs(8) "
6013 "or smbcontrol(1) to unshare this filesystem\n"));
34dc7c2f
BB		 6014 } else if (!zfs_is_shared(zhp)) {
6015 (void) fprintf(stderr, gettext("cannot unshare '%s': "
6016 "not currently shared\n"), path);
6017 } else {
6018 ret = zfs_unshareall_bypath(zhp, path);
6019 }
6020 } else {
6021 char mtpt_prop[ZFS_MAXPROPLEN];
6022
6023 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
6024 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
6025
b128c09f 6026 if (is_manual) {
34dc7c2f
BB		 6027 ret = zfs_unmount(zhp, NULL, flags);
6028 } else if (strcmp(mtpt_prop, "legacy") == 0) {
6029 (void) fprintf(stderr, gettext("cannot unmount "
6030 "'%s': legacy mountpoint\n"),
6031 zfs_get_name(zhp));
9a616b5d 6032 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 6033 "to unmount this filesystem\n"));
6034 } else {
6035 ret = zfs_unmountall(zhp, flags);
6036 }
6037 }
6038
b128c09f 6039out:
34dc7c2f
BB		 6040 zfs_close(zhp);
6041
6042 return (ret != 0);
6043}
6044
6045/*
6046 * Generic callback for unsharing or unmounting a filesystem.
6047 */
6048static int
6049unshare_unmount(int op, int argc, char **argv)
6050{
6051 int do_all = 0;
6052 int flags = 0;
6053 int ret = 0;
572e2857 6054 int c;
34dc7c2f 6055 zfs_handle_t *zhp;
428870ff 6056 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 6057 char sharesmb[ZFS_MAXPROPLEN];
6058
6059 /* check options */
6060 while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) {
6061 switch (c) {
6062 case 'a':
6063 do_all = 1;
6064 break;
6065 case 'f':
6066 flags = MS_FORCE;
6067 break;
6068 case '?':
6069 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
6070 optopt);
6071 usage(B_FALSE);
6072 }
6073 }
6074
6075 argc -= optind;
6076 argv += optind;
6077
6078 if (do_all) {
6079 /*
6080 * We could make use of zfs_for_each() to walk all datasets in
6081 * the system, but this would be very inefficient, especially
9a616b5d
BB		 6082 * since we would have to linearly search /etc/mtab for each
6083 * one. Instead, do one pass through /etc/mtab looking for
34dc7c2f
BB		 6084 * zfs entries and call zfs_unmount() for each one.
6085 *
6086 * Things get a little tricky if the administrator has created
6087 * mountpoints beneath other ZFS filesystems. In this case, we
6088 * have to unmount the deepest filesystems first. To accomplish
6089 * this, we place all the mountpoints in an AVL tree sorted by
6090 * the special type (dataset name), and walk the result in
6091 * reverse to make sure to get any snapshots first.
6092 */
6093 struct mnttab entry;
6094 uu_avl_pool_t *pool;
149e873a 6095 uu_avl_t *tree = NULL;
34dc7c2f
BB		 6096 unshare_unmount_node_t *node;
6097 uu_avl_index_t idx;
6098 uu_avl_walk_t *walk;
6099
6100 if (argc != 0) {
6101 (void) fprintf(stderr, gettext("too many arguments\n"));
6102 usage(B_FALSE);
6103 }
6104
428870ff 6105 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 6106 sizeof (unshare_unmount_node_t),
6107 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 6108 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
6109 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
6110 nomem();
34dc7c2f
BB		 6111
6112 rewind(mnttab_file);
6113 while (getmntent(mnttab_file, &entry) == 0) {
6114
6115 /* ignore non-ZFS entries */
6116 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
6117 continue;
6118
6119 /* ignore snapshots */
6120 if (strchr(entry.mnt_special, '@') != NULL)
6121 continue;
6122
6123 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
6124 ZFS_TYPE_FILESYSTEM)) == NULL) {
6125 ret = 1;
6126 continue;
6127 }
6128
6129 switch (op) {
6130 case OP_SHARE:
6131 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 6132 nfs_mnt_prop,
6133 sizeof (nfs_mnt_prop),
34dc7c2f 6134 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6135 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 6136 break;
6137 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 6138 nfs_mnt_prop,
6139 sizeof (nfs_mnt_prop),
34dc7c2f 6140 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6141 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 6142 continue;
6143 break;
6144 case OP_MOUNT:
6145 /* Ignore legacy mounts */
6146 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 6147 nfs_mnt_prop,
6148 sizeof (nfs_mnt_prop),
34dc7c2f 6149 NULL, NULL, 0, B_FALSE) == 0);
428870ff 6150 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 6151 continue;
6152 /* Ignore canmount=noauto mounts */
6153 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
6154 ZFS_CANMOUNT_NOAUTO)
6155 continue;
6156 default:
6157 break;
6158 }
6159
6160 node = safe_malloc(sizeof (unshare_unmount_node_t));
6161 node->un_zhp = zhp;
428870ff 6162 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 6163
6164 uu_avl_node_init(node, &node->un_avlnode, pool);
6165
6166 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
6167 uu_avl_insert(tree, node, idx);
6168 } else {
6169 zfs_close(node->un_zhp);
6170 free(node->un_mountp);
6171 free(node);
6172 }
6173 }
6174
6175 /*
6176 * Walk the AVL tree in reverse, unmounting each filesystem and
6177 * removing it from the AVL tree in the process.
6178 */
6179 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 6180 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
6181 nomem();
34dc7c2f
BB		 6182
6183 while ((node = uu_avl_walk_next(walk)) != NULL) {
6184 uu_avl_remove(tree, node);
6185
6186 switch (op) {
6187 case OP_SHARE:
6188 if (zfs_unshareall_bypath(node->un_zhp,
6189 node->un_mountp) != 0)
6190 ret = 1;
6191 break;
6192
6193 case OP_MOUNT:
6194 if (zfs_unmount(node->un_zhp,
6195 node->un_mountp, flags) != 0)
6196 ret = 1;
6197 break;
6198 }
6199
6200 zfs_close(node->un_zhp);
6201 free(node->un_mountp);
6202 free(node);
6203 }
6204
6205 uu_avl_walk_end(walk);
6206 uu_avl_destroy(tree);
6207 uu_avl_pool_destroy(pool);
6208
34dc7c2f
BB		 6209 } else {
6210 if (argc != 1) {
6211 if (argc == 0)
6212 (void) fprintf(stderr,
6213 gettext("missing filesystem argument\n"));
6214 else
6215 (void) fprintf(stderr,
6216 gettext("too many arguments\n"));
6217 usage(B_FALSE);
6218 }
6219
6220 /*
6221 * We have an argument, but it may be a full path or a ZFS
6222 * filesystem. Pass full paths off to unmount_path() (shared by
6223 * manual_unmount), otherwise open the filesystem and pass to
6224 * zfs_unmount().
6225 */
6226 if (argv[0][0] == '/')
6227 return (unshare_unmount_path(op, argv[0],
6228 flags, B_FALSE));
6229
572e2857
BB		 6230 if ((zhp = zfs_open(g_zfs, argv[0],
6231 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 6232 return (1);
6233
572e2857
BB		 6234 verify(zfs_prop_get(zhp, op == OP_SHARE ?
6235 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
6236 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
6237 NULL, 0, B_FALSE) == 0);
34dc7c2f 6238
572e2857
BB		 6239 switch (op) {
6240 case OP_SHARE:
6241 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
6242 nfs_mnt_prop,
6243 sizeof (nfs_mnt_prop),
6244 NULL, NULL, 0, B_FALSE) == 0);
6245 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
6246 sharesmb, sizeof (sharesmb), NULL, NULL,
6247 0, B_FALSE) == 0);
6248
6249 if (strcmp(nfs_mnt_prop, "off") == 0 &&
6250 strcmp(sharesmb, "off") == 0) {
6251 (void) fprintf(stderr, gettext("cannot "
6252 "unshare '%s': legacy share\n"),
6253 zfs_get_name(zhp));
6254 (void) fprintf(stderr, gettext("use "
6255 "unshare(1M) to unshare this "
6256 "filesystem\n"));
6257 ret = 1;
6258 } else if (!zfs_is_shared(zhp)) {
6259 (void) fprintf(stderr, gettext("cannot "
6260 "unshare '%s': not currently "
6261 "shared\n"), zfs_get_name(zhp));
6262 ret = 1;
6263 } else if (zfs_unshareall(zhp) != 0) {
6264 ret = 1;
6265 }
6266 break;
34dc7c2f 6267
572e2857
BB		 6268 case OP_MOUNT:
6269 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
6270 (void) fprintf(stderr, gettext("cannot "
6271 "unmount '%s': legacy "
6272 "mountpoint\n"), zfs_get_name(zhp));
6273 (void) fprintf(stderr, gettext("use "
6274 "umount(1M) to unmount this "
6275 "filesystem\n"));
6276 ret = 1;
6277 } else if (!zfs_is_mounted(zhp, NULL)) {
6278 (void) fprintf(stderr, gettext("cannot "
6279 "unmount '%s': not currently "
6280 "mounted\n"),
6281 zfs_get_name(zhp));
6282 ret = 1;
6283 } else if (zfs_unmountall(zhp, flags) != 0) {
6284 ret = 1;
34dc7c2f 6285 }
572e2857 6286 break;
34dc7c2f
BB		 6287 }
6288
6289 zfs_close(zhp);
6290 }
6291
6292 return (ret);
6293}
6294
6295/*
6296 * zfs unmount -a
6297 * zfs unmount filesystem
6298 *
6299 * Unmount all filesystems, or a specific ZFS filesystem.
6300 */
6301static int
6302zfs_do_unmount(int argc, char **argv)
6303{
6304 return (unshare_unmount(OP_MOUNT, argc, argv));
6305}
6306
6307/*
6308 * zfs unshare -a
6309 * zfs unshare filesystem
6310 *
6311 * Unshare all filesystems, or a specific ZFS filesystem.
6312 */
6313static int
6314zfs_do_unshare(int argc, char **argv)
6315{
6316 return (unshare_unmount(OP_SHARE, argc, argv));
6317}
6318
34dc7c2f
BB		 6319static int
6320find_command_idx(char *command, int *idx)
6321{
6322 int i;
6323
6324 for (i = 0; i < NCOMMAND; i++) {
6325 if (command_table[i].name == NULL)
6326 continue;
6327
6328 if (strcmp(command, command_table[i].name) == 0) {
6329 *idx = i;
6330 return (0);
6331 }
6332 }
6333 return (1);
6334}
6335
572e2857
BB		 6336static int
6337zfs_do_diff(int argc, char **argv)
6338{
6339 zfs_handle_t *zhp;
6340 int flags = 0;
6341 char *tosnap = NULL;
6342 char *fromsnap = NULL;
6343 char *atp, *copy;
ad60af8e 6344 int err = 0;
572e2857
BB		 6345 int c;
6346
6347 while ((c = getopt(argc, argv, "FHt")) != -1) {
6348 switch (c) {
6349 case 'F':
6350 flags |= ZFS_DIFF_CLASSIFY;
6351 break;
6352 case 'H':
6353 flags |= ZFS_DIFF_PARSEABLE;
6354 break;
6355 case 't':
6356 flags |= ZFS_DIFF_TIMESTAMP;
6357 break;
6358 default:
6359 (void) fprintf(stderr,
6360 gettext("invalid option '%c'\n"), optopt);
6361 usage(B_FALSE);
6362 }
6363 }
6364
6365 argc -= optind;
6366 argv += optind;
6367
6368 if (argc < 1) {
6369 (void) fprintf(stderr,
6370 gettext("must provide at least one snapshot name\n"));
6371 usage(B_FALSE);
6372 }
6373
6374 if (argc > 2) {
6375 (void) fprintf(stderr, gettext("too many arguments\n"));
6376 usage(B_FALSE);
6377 }
6378
6379 fromsnap = argv[0];
6380 tosnap = (argc == 2) ? argv[1] : NULL;
6381
6382 copy = NULL;
6383 if (*fromsnap != '@')
6384 copy = strdup(fromsnap);
6385 else if (tosnap)
6386 copy = strdup(tosnap);
6387 if (copy == NULL)
6388 usage(B_FALSE);
6389
c65aa5b2 6390 if ((atp = strchr(copy, '@')))
572e2857
BB		 6391 *atp = '\0';
6392
6393 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL)
6394 return (1);
6395
6396 free(copy);
6397
6398 /*
6399 * Ignore SIGPIPE so that the library can give us
6400 * information on any failure
6401 */
6402 (void) sigignore(SIGPIPE);
6403
6404 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
6405
6406 zfs_close(zhp);
6407
6408 return (err != 0);
6409}
6410
34dc7c2f
BB		 6411int
6412main(int argc, char **argv)
6413{
ad60af8e 6414 int ret = 0;
d4ed6673 6415 int i = 0;
34dc7c2f
BB		 6416 char *cmdname;
6417
6418 (void) setlocale(LC_ALL, "");
6419 (void) textdomain(TEXT_DOMAIN);
6420
6421 opterr = 0;
6422
34dc7c2f 6423 /*
d53368f6 6424 * Make sure the user has specified some command.
34dc7c2f 6425 */
d53368f6
BB		 6426 if (argc < 2) {
6427 (void) fprintf(stderr, gettext("missing command\n"));
6428 usage(B_FALSE);
6429 }
34dc7c2f 6430
d53368f6 6431 cmdname = argv[1];
34dc7c2f 6432
d53368f6
BB		 6433 /*
6434 * The 'umount' command is an alias for 'unmount'
6435 */
6436 if (strcmp(cmdname, "umount") == 0)
6437 cmdname = "unmount";
34dc7c2f 6438
d53368f6
BB		 6439 /*
6440 * The 'recv' command is an alias for 'receive'
6441 */
6442 if (strcmp(cmdname, "recv") == 0)
6443 cmdname = "receive";
34dc7c2f 6444
10b75496
S		 6445 /*
6446 * The 'snap' command is an alias for 'snapshot'
6447 */
6448 if (strcmp(cmdname, "snap") == 0)
6449 cmdname = "snapshot";
6450
d53368f6
BB		 6451 /*
6452 * Special case '-?'
6453 */
6454 if ((strcmp(cmdname, "-?") == 0) ||
6455 (strcmp(cmdname, "--help") == 0))
6456 usage(B_TRUE);
34dc7c2f 6457
d53368f6
BB		 6458 if ((g_zfs = libzfs_init()) == NULL)
6459 return (1);
9b020fd9 6460
0bc7a7a7
TF		 6461 mnttab_file = g_zfs->libzfs_mnttab;
6462
6f1ffb06 6463 zfs_save_arguments(argc, argv, history_str, sizeof (history_str));
9b020fd9 6464
d53368f6 6465 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 6466
d53368f6
BB		 6467 /*
6468 * Run the appropriate command.
6469 */
b740d602 6470 libzfs_mnttab_cache(g_zfs, B_FALSE);
d53368f6
BB		 6471 if (find_command_idx(cmdname, &i) == 0) {
6472 current_command = &command_table[i];
6473 ret = command_table[i].func(argc - 1, argv + 1);
6474 } else if (strchr(cmdname, '=') != NULL) {
6475 verify(find_command_idx("set", &i) == 0);
6476 current_command = &command_table[i];
6477 ret = command_table[i].func(argc, argv);
6478 } else {
6479 (void) fprintf(stderr, gettext("unrecognized "
6480 "command '%s'\n"), cmdname);
6481 usage(B_FALSE);
6482 ret = 1;
34dc7c2f 6483 }
d53368f6 6484 libzfs_fini(g_zfs);
34dc7c2f 6485
6f1ffb06
MA		 6486 if (ret == 0 && log_history)
6487 (void) zpool_log_history(g_zfs, history_str);
6488
34dc7c2f
BB		 6489 /*
6490 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
6491 * for the purposes of running ::findleaks.
6492 */
6493 if (getenv("ZFS_ABORT") != NULL) {
6494 (void) printf("dumping core by request\n");
6495 abort();
6496 }
6497
6498 return (ret);
6499}
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