xref: /illumos-gate/usr/src/cmd/beadm/beadm.c (revision a92282e44f968185a6bba094d1e5fece2da819cf)
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 /*
23  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
25  * Copyright 2015 Toomas Soome <tsoome@me.com>
26  * Copyright 2015 Gary Mills
27  * Copyright (c) 2015 by Delphix. All rights reserved.
28  * Copyright 2017 Jason King
29  * Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
30  * Copyright (c) 2018, Joyent, Inc.
31  */
32 
33 /*
34  * System includes
35  */
36 
37 #include <assert.h>
38 #include <stdio.h>
39 #include <strings.h>
40 #include <libzfs.h>
41 #include <locale.h>
42 #include <langinfo.h>
43 #include <stdlib.h>
44 #include <wchar.h>
45 #include <sys/types.h>
46 #include <sys/debug.h>
47 #include <libcmdutils.h>
48 
49 #include "libbe.h"
50 
51 #ifndef lint
52 #define	_(x) gettext(x)
53 #else
54 #define	_(x) (x)
55 #endif
56 
57 #ifndef TEXT_DOMAIN
58 #define	TEXT_DOMAIN "SYS_TEST"
59 #endif
60 
61 #define	DT_BUF_LEN (128)
62 #define	NUM_COLS (6)
63 CTASSERT(DT_BUF_LEN >= NN_NUMBUF_SZ);
64 
65 static int be_do_activate(int argc, char **argv);
66 static int be_do_create(int argc, char **argv);
67 static int be_do_destroy(int argc, char **argv);
68 static int be_do_list(int argc, char **argv);
69 static int be_do_mount(int argc, char **argv);
70 static int be_do_unmount(int argc, char **argv);
71 static int be_do_rename(int argc, char **argv);
72 static int be_do_rollback(int argc, char **argv);
73 static void usage(void);
74 
75 /*
76  * single column name/width output format description
77  */
78 struct col_info {
79 	const char *col_name;
80 	size_t width;
81 };
82 
83 /*
84  * all columns output format
85  */
86 struct hdr_info {
87 	struct col_info cols[NUM_COLS];
88 };
89 
90 /*
91  * type of possible output formats
92  */
93 enum be_fmt {
94 	BE_FMT_DEFAULT,
95 	BE_FMT_DATASET,
96 	BE_FMT_SNAPSHOT,
97 	BE_FMT_ALL
98 };
99 
100 /*
101  * command handler description
102  */
103 typedef struct be_command {
104 	const char	*name;
105 	int		(*func)(int argc, char **argv);
106 } be_command_t;
107 
108 /*
109  * sorted list of be commands
110  */
111 static const be_command_t be_command_tbl[] = {
112 	{ "activate",		be_do_activate },
113 	{ "create",		be_do_create },
114 	{ "destroy",		be_do_destroy },
115 	{ "list",		be_do_list },
116 	{ "mount",		be_do_mount },
117 	{ "unmount",		be_do_unmount },
118 	{ "umount",		be_do_unmount }, /* unmount alias */
119 	{ "rename",		be_do_rename },
120 	{ "rollback",		be_do_rollback },
121 	{ NULL,			NULL },
122 };
123 
124 static void
125 usage(void)
126 {
127 	(void) fprintf(stderr, _("usage:\n"
128 	    "\tbeadm subcommand cmd_options\n"
129 	    "\n"
130 	    "\tsubcommands:\n"
131 	    "\n"
132 	    "\tbeadm activate [-v] [-t | -T] beName\n"
133 	    "\tbeadm create [-a] [-d BE_desc]\n"
134 	    "\t\t[-o property=value] ... [-p zpool] \n"
135 	    "\t\t[-e nonActiveBe | beName@snapshot] [-v] beName\n"
136 	    "\tbeadm create [-d BE_desc]\n"
137 	    "\t\t[-o property=value] ... [-p zpool] [-v] beName@snapshot\n"
138 	    "\tbeadm destroy [-Ffsv] beName \n"
139 	    "\tbeadm destroy [-Fv] beName@snapshot \n"
140 	    "\tbeadm list [[-a] | [-d] [-s]] [-H]\n"
141 	    "\t\t[-k|-K date | name | space] [-v] [beName]\n"
142 	    "\tbeadm mount [-s ro|rw] [-v] beName [mountpoint]\n"
143 	    "\tbeadm unmount [-fv] beName | mountpoint\n"
144 	    "\tbeadm umount [-fv] beName | mountpoint\n"
145 	    "\tbeadm rename [-v] origBeName newBeName\n"
146 	    "\tbeadm rollback [-v] beName snapshot\n"
147 	    "\tbeadm rollback [-v] beName@snapshot\n"));
148 }
149 
150 static int
151 run_be_cmd(const char *cmdname, int argc, char **argv)
152 {
153 	const be_command_t *command;
154 
155 	for (command = &be_command_tbl[0]; command->name != NULL; command++)
156 		if (strcmp(command->name, cmdname) == 0)
157 			return (command->func(argc, argv));
158 
159 	(void) fprintf(stderr, _("Invalid command: %s\n"), cmdname);
160 	usage();
161 	return (1);
162 }
163 
164 int
165 main(int argc, char **argv)
166 {
167 	const char *cmdname;
168 
169 	(void) setlocale(LC_ALL, "");
170 	(void) textdomain(TEXT_DOMAIN);
171 
172 	if (argc < 2) {
173 		usage();
174 		return (1);
175 	}
176 
177 	cmdname = argv[1];
178 
179 	/* Turn error printing off */
180 	libbe_print_errors(B_FALSE);
181 
182 	return (run_be_cmd(cmdname, --argc, ++argv));
183 }
184 
185 static void
186 print_hdr(struct hdr_info *hdr_info)
187 {
188 	boolean_t first = B_TRUE;
189 	size_t i;
190 	for (i = 0; i < NUM_COLS; i++) {
191 		struct col_info *col_info = &hdr_info->cols[i];
192 		const char *name = col_info->col_name;
193 		size_t width = col_info->width;
194 		if (name == NULL)
195 			continue;
196 
197 		if (first) {
198 			(void) printf("%-*s", width, name);
199 			first = B_FALSE;
200 		} else
201 			(void) printf(" %-*s", width, name);
202 	}
203 	(void) putchar('\n');
204 }
205 
206 static void
207 init_hdr_cols(enum be_fmt be_fmt, struct hdr_info *hdr)
208 {
209 	struct col_info *col = hdr->cols;
210 	size_t i;
211 
212 	col[1].col_name = _("Active");
213 	col[2].col_name = _("Mountpoint");
214 	col[3].col_name = _("Space");
215 	col[4].col_name = _("Policy");
216 	col[5].col_name = _("Created");
217 
218 	switch (be_fmt) {
219 	case BE_FMT_ALL:
220 		col[0].col_name = _("BE/Dataset/Snapshot");
221 		break;
222 	case BE_FMT_DATASET:
223 		col[0].col_name = _("BE/Dataset");
224 		break;
225 	case BE_FMT_SNAPSHOT:
226 		col[0].col_name = _("BE/Snapshot");
227 		col[1].col_name = NULL;
228 		col[2].col_name = NULL;
229 		break;
230 	case BE_FMT_DEFAULT:
231 	default:
232 		col[0].col_name = _("BE");
233 	}
234 
235 	for (i = 0; i < NUM_COLS; i++) {
236 		const char *name = col[i].col_name;
237 		col[i].width = 0;
238 
239 		if (name != NULL) {
240 			wchar_t wname[128];
241 			size_t sz = mbstowcs(wname, name, sizeof (wname) /
242 			    sizeof (wchar_t));
243 			if (sz > 0) {
244 				int wcsw = wcswidth(wname, sz);
245 				if (wcsw > 0)
246 					col[i].width = wcsw;
247 				else
248 					col[i].width = sz;
249 			} else {
250 				col[i].width = strlen(name);
251 			}
252 		}
253 	}
254 }
255 
256 static void
257 count_widths(enum be_fmt be_fmt, struct hdr_info *hdr, be_node_list_t *be_nodes)
258 {
259 	size_t len[NUM_COLS];
260 	char buf[DT_BUF_LEN];
261 	int i;
262 	be_node_list_t *cur_be;
263 
264 	for (i = 0; i < NUM_COLS; i++)
265 		len[i] = hdr->cols[i].width;
266 
267 	for (cur_be = be_nodes; cur_be != NULL; cur_be = cur_be->be_next_node) {
268 		char name[ZFS_MAX_DATASET_NAME_LEN + 1];
269 		const char *be_name = cur_be->be_node_name;
270 		const char *root_ds = cur_be->be_root_ds;
271 		char *pos;
272 		size_t node_name_len = strlen(cur_be->be_node_name);
273 		size_t root_ds_len = strlen(cur_be->be_root_ds);
274 		size_t mntpt_len = 0;
275 		size_t policy_len = 0;
276 		size_t used_len;
277 		uint64_t used = cur_be->be_space_used;
278 		be_snapshot_list_t *snap = NULL;
279 
280 		if (cur_be->be_mntpt != NULL)
281 			mntpt_len = strlen(cur_be->be_mntpt);
282 		if (cur_be->be_policy_type != NULL)
283 			policy_len = strlen(cur_be->be_policy_type);
284 
285 		(void) strlcpy(name, root_ds, sizeof (name));
286 		pos = strstr(name, be_name);
287 
288 		if (be_fmt == BE_FMT_DEFAULT) {
289 			if (node_name_len > len[0])
290 				len[0] = node_name_len;
291 		} else {
292 			if (root_ds_len + 3 > len[0])
293 				len[0] = root_ds_len + 3;
294 		}
295 
296 		if (mntpt_len > len[2])
297 			len[2] = mntpt_len;
298 		if (policy_len > len[4])
299 			len[4] = policy_len;
300 
301 		for (snap = cur_be->be_node_snapshots; snap != NULL;
302 		    snap = snap->be_next_snapshot) {
303 			uint64_t snap_used = snap->be_snapshot_space_used;
304 			const char *snap_name = snap->be_snapshot_name;
305 			(void) strcpy(pos, snap_name);
306 
307 			if (be_fmt == BE_FMT_DEFAULT)
308 				used += snap_used;
309 			else if (be_fmt & BE_FMT_SNAPSHOT) {
310 				int snap_len = strlen(name) + 3;
311 				if (be_fmt == BE_FMT_SNAPSHOT)
312 					snap_len -= pos - name;
313 				if (snap_len > len[0])
314 					len[0] = snap_len;
315 				nicenum(snap_used, buf, sizeof (buf));
316 				used_len = strlen(buf);
317 				if (used_len > len[3])
318 					len[3] = used_len;
319 			}
320 		}
321 
322 		if (be_fmt == BE_FMT_DEFAULT) {
323 			int used_len;
324 			nicenum(used, buf, sizeof (buf));
325 			used_len = strlen(buf);
326 			if (used_len > len[3])
327 				len[3] = used_len;
328 		}
329 
330 		nicenum(used, buf, sizeof (buf));
331 	}
332 
333 	for (i = 0; i < NUM_COLS; i++)
334 		hdr->cols[i].width = len[i];
335 }
336 
337 static void
338 print_be_nodes(const char *be_name, boolean_t parsable, struct hdr_info *hdr,
339     be_node_list_t *nodes)
340 {
341 	char buf[64];
342 	char datetime[DT_BUF_LEN];
343 	be_node_list_t	*cur_be;
344 
345 	for (cur_be = nodes; cur_be != NULL; cur_be = cur_be->be_next_node) {
346 		char active[4] = "-\0\0";
347 		int ai = 0;
348 		const char *datetime_fmt = "%F %R";
349 		const char *name = cur_be->be_node_name;
350 		const char *mntpt = cur_be->be_mntpt;
351 		const char *uuid_str = cur_be->be_uuid_str;
352 		be_snapshot_list_t *snap = NULL;
353 		uint64_t used = cur_be->be_space_used;
354 		time_t creation = cur_be->be_node_creation;
355 		struct tm *tm;
356 
357 		if (be_name != NULL && strcmp(be_name, name) != 0)
358 			continue;
359 
360 		if (parsable)
361 			active[0] = '\0';
362 
363 		tm = localtime(&creation);
364 		(void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
365 
366 		for (snap = cur_be->be_node_snapshots; snap != NULL;
367 		    snap = snap->be_next_snapshot)
368 			used += snap->be_snapshot_space_used;
369 
370 		if (!cur_be->be_global_active)
371 			active[ai++] = 'x';
372 
373 		if (cur_be->be_active)
374 			active[ai++] = 'N';
375 		if (cur_be->be_active_on_boot) {
376 			if (!cur_be->be_global_active)
377 				active[ai++] = 'b';
378 			else
379 				active[ai++] = 'R';
380 		}
381 		if (cur_be->be_active_next) {
382 			active[ai] = 'T';
383 		}
384 
385 		nicenum(used, buf, sizeof (buf));
386 		if (parsable)
387 			(void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
388 			    name,
389 			    (uuid_str != NULL ? uuid_str: ""),
390 			    active,
391 			    (cur_be->be_mounted ? mntpt: ""),
392 			    used,
393 			    cur_be->be_policy_type,
394 			    creation);
395 		else
396 			(void) printf("%-*s %-*s %-*s %-*s %-*s %-*s\n",
397 			    hdr->cols[0].width, name,
398 			    hdr->cols[1].width, active,
399 			    hdr->cols[2].width, (cur_be->be_mounted ? mntpt:
400 			    "-"),
401 			    hdr->cols[3].width, buf,
402 			    hdr->cols[4].width, cur_be->be_policy_type,
403 			    hdr->cols[5].width, datetime);
404 	}
405 }
406 
407 static void
408 print_be_snapshots(be_node_list_t *be, struct hdr_info *hdr, boolean_t parsable)
409 {
410 	char buf[64];
411 	char datetime[DT_BUF_LEN];
412 	be_snapshot_list_t *snap = NULL;
413 
414 	for (snap = be->be_node_snapshots; snap != NULL;
415 	    snap = snap->be_next_snapshot) {
416 		char name[ZFS_MAX_DATASET_NAME_LEN + 1];
417 		const char *datetime_fmt = "%F %R";
418 		const char *be_name = be->be_node_name;
419 		const char *root_ds = be->be_root_ds;
420 		const char *snap_name = snap->be_snapshot_name;
421 		char *pos;
422 		uint64_t used = snap->be_snapshot_space_used;
423 		time_t creation = snap->be_snapshot_creation;
424 		struct tm *tm = localtime(&creation);
425 
426 		(void) strncpy(name, root_ds, sizeof (name));
427 		pos = strstr(name, be_name);
428 		(void) strcpy(pos, snap_name);
429 
430 		(void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
431 		nicenum(used, buf, sizeof (buf));
432 
433 		if (parsable)
434 			if (hdr->cols[1].width != 0)
435 				(void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
436 				    be_name,
437 				    snap_name,
438 				    "",
439 				    "",
440 				    used,
441 				    be->be_policy_type,
442 				    creation);
443 			else
444 				(void) printf("%s;%s;%llu;%s;%ld\n",
445 				    be_name,
446 				    snap_name,
447 				    used,
448 				    be->be_policy_type,
449 				    creation);
450 		else
451 			if (hdr->cols[1].width != 0)
452 				(void) printf("   %-*s %-*s %-*s %-*s %-*s "
453 				    "%-*s\n",
454 				    hdr->cols[0].width-3, name,
455 				    hdr->cols[1].width, "-",
456 				    hdr->cols[2].width, "-",
457 				    hdr->cols[3].width, buf,
458 				    hdr->cols[4].width, be->be_policy_type,
459 				    hdr->cols[5].width, datetime);
460 			else
461 				(void) printf("   %-*s %-*s %-*s %-*s\n",
462 				    hdr->cols[0].width-3, snap_name,
463 				    hdr->cols[3].width, buf,
464 				    hdr->cols[4].width, be->be_policy_type,
465 				    hdr->cols[5].width, datetime);
466 	}
467 }
468 
469 static void
470 print_fmt_nodes(const char *be_name, enum be_fmt be_fmt, boolean_t parsable,
471     struct hdr_info *hdr, be_node_list_t *nodes)
472 {
473 	char buf[64];
474 	char datetime[DT_BUF_LEN];
475 	be_node_list_t	*cur_be;
476 
477 	for (cur_be = nodes; cur_be != NULL; cur_be = cur_be->be_next_node) {
478 		char active[4] = "-\0\0";
479 		int ai = 0;
480 		const char *datetime_fmt = "%F %R";
481 		const char *name = cur_be->be_node_name;
482 		const char *mntpt = cur_be->be_mntpt;
483 		uint64_t used = cur_be->be_space_used;
484 		time_t creation = cur_be->be_node_creation;
485 		struct tm *tm;
486 
487 		if (be_name != NULL && strcmp(be_name, name) != 0)
488 			continue;
489 
490 		if (!parsable)
491 			(void) printf("%-s\n", name);
492 		else
493 			active[0] = '\0';
494 
495 		tm = localtime(&creation);
496 		(void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
497 
498 		if (cur_be->be_active)
499 			active[ai++] = 'N';
500 		if (cur_be->be_active_on_boot)
501 			active[ai++] = 'R';
502 		if (cur_be->be_active_next)
503 			active[ai++] = 'T';
504 
505 		nicenum(used, buf, sizeof (buf));
506 		if (be_fmt & BE_FMT_DATASET)
507 			if (parsable)
508 				(void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
509 				    cur_be->be_node_name,
510 				    cur_be->be_root_ds,
511 				    active,
512 				    (cur_be->be_mounted ? mntpt: ""),
513 				    used,
514 				    cur_be->be_policy_type,
515 				    creation);
516 			else
517 				(void) printf("   %-*s %-*s %-*s %-*s %-*s "
518 				    "%-*s\n",
519 				    hdr->cols[0].width-3, cur_be->be_root_ds,
520 				    hdr->cols[1].width, active,
521 				    hdr->cols[2].width, (cur_be->be_mounted ?
522 				    mntpt: "-"),
523 				    hdr->cols[3].width, buf,
524 				    hdr->cols[4].width, cur_be->be_policy_type,
525 				    hdr->cols[5].width, datetime);
526 
527 		if (be_fmt & BE_FMT_SNAPSHOT)
528 			print_be_snapshots(cur_be, hdr, parsable);
529 	}
530 }
531 
532 static void
533 print_nodes(const char *be_name, boolean_t dsets, boolean_t snaps,
534     boolean_t parsable, be_node_list_t *be_nodes)
535 {
536 	struct hdr_info hdr;
537 	enum be_fmt be_fmt  = BE_FMT_DEFAULT;
538 
539 	if (dsets)
540 		be_fmt |= BE_FMT_DATASET;
541 	if (snaps)
542 		be_fmt |= BE_FMT_SNAPSHOT;
543 
544 	if (!parsable) {
545 		init_hdr_cols(be_fmt, &hdr);
546 		count_widths(be_fmt, &hdr, be_nodes);
547 		print_hdr(&hdr);
548 	}
549 
550 	if (be_fmt == BE_FMT_DEFAULT)
551 		print_be_nodes(be_name, parsable, &hdr, be_nodes);
552 	else
553 		print_fmt_nodes(be_name, be_fmt, parsable, &hdr, be_nodes);
554 }
555 
556 static boolean_t
557 confirm_destroy(const char *name)
558 {
559 	boolean_t res = B_FALSE;
560 	const char *yesre = nl_langinfo(YESEXPR);
561 	const char *nore = nl_langinfo(NOEXPR);
562 	regex_t yes_re;
563 	regex_t no_re;
564 	char buf[128];
565 	char *answer;
566 	int cflags = REG_EXTENDED;
567 
568 	if (regcomp(&yes_re, yesre, cflags) != 0) {
569 		/* should not happen */
570 		(void) fprintf(stderr, _("Failed to compile 'yes' regexp\n"));
571 		return (res);
572 	}
573 	if (regcomp(&no_re, nore, cflags) != 0) {
574 		/* should not happen */
575 		(void) fprintf(stderr, _("Failed to compile 'no' regexp\n"));
576 		regfree(&yes_re);
577 		return (res);
578 	}
579 
580 	(void) printf(_("Are you sure you want to destroy %s?\n"
581 	    "This action cannot be undone (y/[n]): "), name);
582 
583 	answer = fgets(buf, sizeof (buf), stdin);
584 	if (answer == NULL || *answer == '\0' || *answer == 10)
585 		goto out;
586 
587 	if (regexec(&yes_re, answer, 0, NULL, 0) == 0) {
588 		res = B_TRUE;
589 	} else if (regexec(&no_re, answer, 0, NULL, 0) != 0) {
590 		(void) fprintf(stderr, _("Invalid response. "
591 		    "Please enter 'y' or 'n'.\n"));
592 	}
593 
594 out:
595 	regfree(&yes_re);
596 	regfree(&no_re);
597 	return (res);
598 }
599 
600 static int
601 be_nvl_alloc(nvlist_t **nvlp)
602 {
603 	assert(nvlp != NULL);
604 
605 	if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0) {
606 		(void) perror(_("nvlist_alloc failed.\n"));
607 		return (1);
608 	}
609 
610 	return (0);
611 }
612 
613 static int
614 be_nvl_add_boolean(nvlist_t *nvl, const char *name, boolean_t val)
615 {
616 	assert(nvl != NULL);
617 
618 	if (nvlist_add_boolean_value(nvl, name, val) != 0) {
619 		(void) fprintf(stderr, _("nvlist_add_boolean_value failed for "
620 		    "%s (%s).\n"), name, val ? "true" : "false");
621 		return (1);
622 	}
623 
624 	return (0);
625 }
626 
627 static int
628 be_nvl_add_string(nvlist_t *nvl, const char *name, const char *val)
629 {
630 	assert(nvl != NULL);
631 
632 	if (nvlist_add_string(nvl, name, val) != 0) {
633 		(void) fprintf(stderr, _("nvlist_add_string failed for "
634 		    "%s (%s).\n"), name, val);
635 		return (1);
636 	}
637 
638 	return (0);
639 }
640 
641 static int
642 be_nvl_add_nvlist(nvlist_t *nvl, const char *name, nvlist_t *val)
643 {
644 	assert(nvl != NULL);
645 
646 	if (nvlist_add_nvlist(nvl, name, val) != 0) {
647 		(void) fprintf(stderr, _("nvlist_add_nvlist failed for %s.\n"),
648 		    name);
649 		return (1);
650 	}
651 
652 	return (0);
653 }
654 
655 static int
656 be_nvl_add_uint16(nvlist_t *nvl, const char *name, uint16_t val)
657 {
658 	assert(nvl != NULL);
659 
660 	if (nvlist_add_uint16(nvl, name, val) != 0) {
661 		(void) fprintf(stderr, _("nvlist_add_uint16 failed for "
662 		    "%s (%hu).\n"), name, val);
663 		return (1);
664 	}
665 
666 	return (0);
667 }
668 
669 static int
670 be_do_activate(int argc, char **argv)
671 {
672 	nvlist_t	*be_attrs;
673 	int		err = 1;
674 	int		c;
675 	char		*obe_name;
676 	boolean_t	nextboot = B_FALSE;
677 	boolean_t	do_nextboot = B_FALSE;
678 
679 	while ((c = getopt(argc, argv, "vtT")) != -1) {
680 		switch (c) {
681 		case 'v':
682 			libbe_print_errors(B_TRUE);
683 			break;
684 		case 't':
685 			if (do_nextboot == B_TRUE) {
686 				usage();
687 				return (1);
688 			}
689 			nextboot = B_TRUE;
690 			do_nextboot = B_TRUE;
691 			break;
692 		case 'T':
693 			if (do_nextboot == B_TRUE) {
694 				usage();
695 				return (1);
696 			}
697 			nextboot = B_FALSE;
698 			do_nextboot = B_TRUE;
699 			break;
700 		default:
701 			usage();
702 			return (1);
703 		}
704 	}
705 
706 	argc -= optind;
707 	argv += optind;
708 
709 	if (argc != 1) {
710 		usage();
711 		return (1);
712 	}
713 
714 	obe_name = argv[0];
715 
716 	if (be_nvl_alloc(&be_attrs) != 0)
717 		return (1);
718 
719 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
720 		goto out;
721 
722 	if (do_nextboot == B_TRUE) {
723 		if (be_nvl_add_boolean(be_attrs, BE_ATTR_ACTIVE_NEXTBOOT,
724 		    nextboot) != 0)
725 			goto out;
726 	}
727 
728 	err = be_activate(be_attrs);
729 
730 	switch (err) {
731 	case BE_SUCCESS:
732 		if (do_nextboot && nextboot == B_FALSE)
733 			(void) printf(_("Temporary activation removed\n"));
734 		else
735 			(void) printf(_("Activated successfully\n"));
736 		break;
737 	case BE_ERR_BE_NOENT:
738 		(void) fprintf(stderr, _("%s does not exist or appear "
739 		    "to be a valid BE.\nPlease check that the name of "
740 		    "the BE provided is correct.\n"), obe_name);
741 		break;
742 	case BE_ERR_PERM:
743 	case BE_ERR_ACCESS:
744 		(void) fprintf(stderr, _("Unable to activate %s.\n"), obe_name);
745 		(void) fprintf(stderr, _("You have insufficient privileges to "
746 		    "execute this command.\n"));
747 		break;
748 	case BE_ERR_ACTIVATE_CURR:
749 	default:
750 		(void) fprintf(stderr, _("Unable to activate %s.\n"), obe_name);
751 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
752 	}
753 
754 out:
755 	nvlist_free(be_attrs);
756 	return (err);
757 }
758 
759 static int
760 be_do_create(int argc, char **argv)
761 {
762 	nvlist_t	*be_attrs;
763 	nvlist_t	*zfs_props = NULL;
764 	boolean_t	activate = B_FALSE;
765 	boolean_t	is_snap = B_FALSE;
766 	int		c;
767 	int		err = 1;
768 	char		*obe_name = NULL;
769 	char		*snap_name = NULL;
770 	char		*nbe_zpool = NULL;
771 	char		*nbe_name = NULL;
772 	char		*nbe_desc = NULL;
773 	char		*propname = NULL;
774 	char		*propval = NULL;
775 	char		*strval = NULL;
776 
777 	while ((c = getopt(argc, argv, "ad:e:io:p:v")) != -1) {
778 		switch (c) {
779 		case 'a':
780 			activate = B_TRUE;
781 			break;
782 		case 'd':
783 			nbe_desc = optarg;
784 			break;
785 		case 'e':
786 			obe_name = optarg;
787 			break;
788 		case 'o':
789 			if (zfs_props == NULL && be_nvl_alloc(&zfs_props) != 0)
790 				return (1);
791 
792 			propname = optarg;
793 			if ((propval = strchr(propname, '=')) == NULL) {
794 				(void) fprintf(stderr, _("missing "
795 				    "'=' for -o option\n"));
796 				goto out2;
797 			}
798 			*propval = '\0';
799 			propval++;
800 			if (nvlist_lookup_string(zfs_props, propname,
801 			    &strval) == 0) {
802 				(void) fprintf(stderr, _("property '%s' "
803 				    "specified multiple times\n"), propname);
804 				goto out2;
805 
806 			}
807 			if (be_nvl_add_string(zfs_props, propname, propval)
808 			    != 0)
809 				goto out2;
810 
811 			break;
812 		case 'p':
813 			nbe_zpool = optarg;
814 			break;
815 		case 'v':
816 			libbe_print_errors(B_TRUE);
817 			break;
818 		default:
819 			usage();
820 			goto out2;
821 		}
822 	}
823 
824 	argc -= optind;
825 	argv += optind;
826 
827 	if (argc != 1) {
828 		usage();
829 		goto out2;
830 	}
831 
832 	nbe_name = argv[0];
833 
834 	if ((snap_name = strrchr(nbe_name, '@')) != NULL) {
835 		if (snap_name[1] == '\0') {
836 			usage();
837 			goto out2;
838 		}
839 
840 		snap_name[0] = '\0';
841 		snap_name++;
842 		is_snap = B_TRUE;
843 	}
844 
845 	if (obe_name) {
846 		if (is_snap) {
847 			usage();
848 			goto out2;
849 		}
850 
851 		/*
852 		 * Check if obe_name is really a snapshot name.
853 		 * If so, split it out.
854 		 */
855 		if ((snap_name = strrchr(obe_name, '@')) != NULL) {
856 			if (snap_name[1] == '\0') {
857 				usage();
858 				goto out2;
859 			}
860 
861 			snap_name[0] = '\0';
862 			snap_name++;
863 		}
864 	} else if (is_snap) {
865 		obe_name = nbe_name;
866 		nbe_name = NULL;
867 	}
868 
869 	if (be_nvl_alloc(&be_attrs) != 0)
870 		goto out2;
871 
872 
873 	if (zfs_props != NULL && be_nvl_add_nvlist(be_attrs,
874 	    BE_ATTR_ORIG_BE_NAME, zfs_props) != 0)
875 		goto out;
876 
877 	if (obe_name != NULL && be_nvl_add_string(be_attrs,
878 	    BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
879 		goto out;
880 
881 	if (snap_name != NULL && be_nvl_add_string(be_attrs,
882 	    BE_ATTR_SNAP_NAME, snap_name) != 0)
883 		goto out;
884 
885 	if (nbe_zpool != NULL && be_nvl_add_string(be_attrs,
886 	    BE_ATTR_NEW_BE_POOL, nbe_zpool) != 0)
887 		goto out;
888 
889 	if (nbe_name != NULL && be_nvl_add_string(be_attrs,
890 	    BE_ATTR_NEW_BE_NAME, nbe_name) != 0)
891 		goto out;
892 
893 	if (nbe_desc != NULL && be_nvl_add_string(be_attrs,
894 	    BE_ATTR_NEW_BE_DESC, nbe_desc) != 0)
895 		goto out;
896 
897 	if (is_snap)
898 		err = be_create_snapshot(be_attrs);
899 	else
900 		err = be_copy(be_attrs);
901 
902 	switch (err) {
903 	case BE_SUCCESS:
904 		if (!is_snap && !nbe_name) {
905 			/*
906 			 * We requested an auto named BE; find out the
907 			 * name of the BE that was created for us and
908 			 * the auto snapshot created from the original BE.
909 			 */
910 			if (nvlist_lookup_string(be_attrs, BE_ATTR_NEW_BE_NAME,
911 			    &nbe_name) != 0) {
912 				(void) fprintf(stderr, _("failed to get %s "
913 				    "attribute\n"), BE_ATTR_NEW_BE_NAME);
914 				break;
915 			} else
916 				(void) printf(_("Auto named BE: %s\n"),
917 				    nbe_name);
918 
919 			if (nvlist_lookup_string(be_attrs, BE_ATTR_SNAP_NAME,
920 			    &snap_name) != 0) {
921 				(void) fprintf(stderr, _("failed to get %s "
922 				    "attribute\n"), BE_ATTR_SNAP_NAME);
923 				break;
924 			} else
925 				(void) printf(_("Auto named snapshot: %s\n"),
926 				    snap_name);
927 		}
928 
929 		if (!is_snap && activate) {
930 			char *args[] = { "activate", "", NULL };
931 			args[1] = nbe_name;
932 			optind = 1;
933 
934 			err = be_do_activate(2, args);
935 			goto out;
936 		}
937 
938 		(void) printf(_("Created successfully\n"));
939 		break;
940 	case BE_ERR_BE_EXISTS:
941 		(void) fprintf(stderr, _("BE %s already exists\n."
942 		    "Please choose a different BE name.\n"), nbe_name);
943 		break;
944 	case BE_ERR_SS_EXISTS:
945 		(void) fprintf(stderr, _("BE %s snapshot %s already exists.\n"
946 		    "Please choose a different snapshot name.\n"), obe_name,
947 		    snap_name);
948 		break;
949 	case BE_ERR_PERM:
950 	case BE_ERR_ACCESS:
951 		if (is_snap)
952 			(void) fprintf(stderr, _("Unable to create snapshot "
953 			    "%s.\n"), snap_name);
954 		else
955 			(void) fprintf(stderr, _("Unable to create %s.\n"),
956 			    nbe_name);
957 		(void) fprintf(stderr, _("You have insufficient privileges to "
958 		    "execute this command.\n"));
959 		break;
960 	default:
961 		if (is_snap)
962 			(void) fprintf(stderr, _("Unable to create snapshot "
963 			    "%s.\n"), snap_name);
964 		else
965 			(void) fprintf(stderr, _("Unable to create %s.\n"),
966 			    nbe_name);
967 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
968 	}
969 
970 out:
971 	nvlist_free(be_attrs);
972 out2:
973 	nvlist_free(zfs_props);
974 
975 	return (err);
976 }
977 
978 static int
979 be_do_destroy(int argc, char **argv)
980 {
981 	nvlist_t	*be_attrs;
982 	boolean_t	is_snap = B_FALSE;
983 	boolean_t	suppress_prompt = B_FALSE;
984 	int		err = 1;
985 	int		c;
986 	int		destroy_flags = 0;
987 	char		*snap_name;
988 	char		*be_name;
989 
990 	while ((c = getopt(argc, argv, "fFsv")) != -1) {
991 		switch (c) {
992 		case 'f':
993 			destroy_flags |= BE_DESTROY_FLAG_FORCE_UNMOUNT;
994 			break;
995 		case 's':
996 			destroy_flags |= BE_DESTROY_FLAG_SNAPSHOTS;
997 			break;
998 		case 'v':
999 			libbe_print_errors(B_TRUE);
1000 			break;
1001 		case 'F':
1002 			suppress_prompt = B_TRUE;
1003 			break;
1004 		default:
1005 			usage();
1006 			return (1);
1007 		}
1008 	}
1009 
1010 	argc -= optind;
1011 	argv += optind;
1012 
1013 	if (argc != 1) {
1014 		usage();
1015 		return (1);
1016 	}
1017 
1018 	be_name = argv[0];
1019 	if (!suppress_prompt && !confirm_destroy(be_name)) {
1020 		(void) printf(_("%s has not been destroyed.\n"), be_name);
1021 		return (0);
1022 	}
1023 
1024 	if ((snap_name = strrchr(be_name, '@')) != NULL) {
1025 		if (snap_name[1] == '\0') {
1026 			usage();
1027 			return (1);
1028 		}
1029 
1030 		is_snap = B_TRUE;
1031 		*snap_name = '\0';
1032 		snap_name++;
1033 	}
1034 
1035 	if (be_nvl_alloc(&be_attrs) != 0)
1036 		return (1);
1037 
1038 
1039 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, be_name) != 0)
1040 		goto out;
1041 
1042 	if (is_snap) {
1043 		if (be_nvl_add_string(be_attrs, BE_ATTR_SNAP_NAME,
1044 		    snap_name) != 0)
1045 			goto out;
1046 
1047 		err = be_destroy_snapshot(be_attrs);
1048 	} else {
1049 		if (be_nvl_add_uint16(be_attrs, BE_ATTR_DESTROY_FLAGS,
1050 		    destroy_flags) != 0)
1051 			goto out;
1052 
1053 		err = be_destroy(be_attrs);
1054 	}
1055 
1056 	switch (err) {
1057 	case BE_SUCCESS:
1058 		(void) printf(_("Destroyed successfully\n"));
1059 		break;
1060 	case BE_ERR_MOUNTED:
1061 		(void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1062 		(void) fprintf(stderr, _("It is currently mounted and must be "
1063 		    "unmounted before it can be destroyed.\n" "Use 'beadm "
1064 		    "unmount %s' to unmount the BE before destroying\nit or "
1065 		    "'beadm destroy -f %s'.\n"), be_name, be_name);
1066 		break;
1067 	case BE_ERR_DESTROY_CURR_BE:
1068 		(void) fprintf(stderr, _("%s is the currently active BE and "
1069 		    "cannot be destroyed.\nYou must boot from another BE in "
1070 		    "order to destroy %s.\n"), be_name, be_name);
1071 		break;
1072 	case BE_ERR_ZONES_UNMOUNT:
1073 		(void) fprintf(stderr, _("Unable to destroy one of " "%s's "
1074 		    "zone BE's.\nUse 'beadm destroy -f %s' or "
1075 		    "'zfs -f destroy <dataset>'.\n"), be_name, be_name);
1076 		break;
1077 	case BE_ERR_SS_NOENT:
1078 		(void) fprintf(stderr, _("%s does not exist or appear "
1079 		    "to be a valid snapshot.\nPlease check that the name of "
1080 		    "the snapshot provided is correct.\n"), snap_name);
1081 		break;
1082 	case BE_ERR_PERM:
1083 	case BE_ERR_ACCESS:
1084 		(void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1085 		(void) fprintf(stderr, _("You have insufficient privileges to "
1086 		    "execute this command.\n"));
1087 		break;
1088 	case BE_ERR_SS_EXISTS:
1089 		(void) fprintf(stderr, _("Unable to destroy %s: "
1090 		    "BE has snapshots.\nUse 'beadm destroy -s %s' or "
1091 		    "'zfs -r destroy <dataset>'.\n"), be_name, be_name);
1092 		break;
1093 	default:
1094 		(void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1095 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1096 	}
1097 
1098 out:
1099 	nvlist_free(be_attrs);
1100 	return (err);
1101 }
1102 
1103 static int
1104 be_do_list(int argc, char **argv)
1105 {
1106 	be_node_list_t	*be_nodes = NULL;
1107 	boolean_t	all = B_FALSE;
1108 	boolean_t	dsets = B_FALSE;
1109 	boolean_t	snaps = B_FALSE;
1110 	boolean_t	parsable = B_FALSE;
1111 	int		err = 1;
1112 	int		c = 0;
1113 	char		*be_name = NULL;
1114 	be_sort_t	order = BE_SORT_UNSPECIFIED;
1115 
1116 	while ((c = getopt(argc, argv, "adk:svHK:")) != -1) {
1117 		switch (c) {
1118 		case 'a':
1119 			all = B_TRUE;
1120 			break;
1121 		case 'd':
1122 			dsets = B_TRUE;
1123 			break;
1124 		case 'k':
1125 		case 'K':
1126 			if (order != BE_SORT_UNSPECIFIED) {
1127 				(void) fprintf(stderr, _("Sort key can be "
1128 				    "specified only once.\n"));
1129 				usage();
1130 				return (1);
1131 			}
1132 			if (strcmp(optarg, "date") == 0) {
1133 				if (c == 'k')
1134 					order = BE_SORT_DATE;
1135 				else
1136 					order = BE_SORT_DATE_REV;
1137 				break;
1138 			}
1139 			if (strcmp(optarg, "name") == 0) {
1140 				if (c == 'k')
1141 					order = BE_SORT_NAME;
1142 				else
1143 					order = BE_SORT_NAME_REV;
1144 				break;
1145 			}
1146 			if (strcmp(optarg, "space") == 0) {
1147 				if (c == 'k')
1148 					order = BE_SORT_SPACE;
1149 				else
1150 					order = BE_SORT_SPACE_REV;
1151 				break;
1152 			}
1153 			(void) fprintf(stderr, _("Unknown sort key: %s\n"),
1154 			    optarg);
1155 			usage();
1156 			return (1);
1157 		case 's':
1158 			snaps = B_TRUE;
1159 			break;
1160 		case 'v':
1161 			libbe_print_errors(B_TRUE);
1162 			break;
1163 		case 'H':
1164 			parsable = B_TRUE;
1165 			break;
1166 		default:
1167 			usage();
1168 			return (1);
1169 		}
1170 	}
1171 
1172 	if (all) {
1173 		if (dsets) {
1174 			(void) fprintf(stderr, _("Invalid options: -a and %s "
1175 			    "are mutually exclusive.\n"), "-d");
1176 			usage();
1177 			return (1);
1178 		}
1179 		if (snaps) {
1180 			(void) fprintf(stderr, _("Invalid options: -a and %s "
1181 			    "are mutually exclusive.\n"), "-s");
1182 			usage();
1183 			return (1);
1184 		}
1185 
1186 		dsets = B_TRUE;
1187 		snaps = B_TRUE;
1188 	}
1189 
1190 	argc -= optind;
1191 	argv += optind;
1192 
1193 
1194 	if (argc == 1)
1195 		be_name = argv[0];
1196 
1197 	err = be_list(be_name, &be_nodes,
1198 	    snaps ? BE_LIST_SNAPSHOTS : BE_LIST_DEFAULT);
1199 
1200 	switch (err) {
1201 	case BE_SUCCESS:
1202 		/* the default sort is ascending date, no need to sort twice */
1203 		if (order == BE_SORT_UNSPECIFIED)
1204 			order = BE_SORT_DATE;
1205 
1206 		if (order != BE_SORT_DATE) {
1207 			err = be_sort(&be_nodes, order);
1208 			if (err != BE_SUCCESS) {
1209 				(void) fprintf(stderr, _("Unable to sort Boot "
1210 				    "Environment\n"));
1211 				(void) fprintf(stderr, "%s\n",
1212 				    be_err_to_str(err));
1213 				break;
1214 			}
1215 		}
1216 
1217 		print_nodes(be_name, dsets, snaps, parsable, be_nodes);
1218 		break;
1219 	case BE_ERR_BE_NOENT:
1220 		if (be_name == NULL)
1221 			(void) fprintf(stderr, _("No boot environments found "
1222 			    "on this system.\n"));
1223 		else {
1224 			(void) fprintf(stderr, _("%s does not exist or appear "
1225 			    "to be a valid BE.\nPlease check that the name of "
1226 			    "the BE provided is correct.\n"), be_name);
1227 		}
1228 		break;
1229 	default:
1230 		(void) fprintf(stderr, _("Unable to display Boot "
1231 		    "Environment\n"));
1232 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1233 	}
1234 
1235 	if (be_nodes != NULL)
1236 		be_free_list(be_nodes);
1237 	return (err);
1238 }
1239 
1240 static int
1241 be_do_mount(int argc, char **argv)
1242 {
1243 	nvlist_t	*be_attrs;
1244 	boolean_t	shared_fs = B_FALSE;
1245 	int		err = 1;
1246 	int		c;
1247 	int		mount_flags = 0;
1248 	char		*obe_name;
1249 	char		*mountpoint;
1250 	char		*tmp_mp = NULL;
1251 
1252 	while ((c = getopt(argc, argv, "s:v")) != -1) {
1253 		switch (c) {
1254 		case 's':
1255 			shared_fs = B_TRUE;
1256 
1257 			mount_flags |= BE_MOUNT_FLAG_SHARED_FS;
1258 
1259 			if (strcmp(optarg, "rw") == 0) {
1260 				mount_flags |= BE_MOUNT_FLAG_SHARED_RW;
1261 			} else if (strcmp(optarg, "ro") != 0) {
1262 				(void) fprintf(stderr, _("The -s flag "
1263 				    "requires an argument [ rw | ro ]\n"));
1264 				usage();
1265 				return (1);
1266 			}
1267 
1268 			break;
1269 		case 'v':
1270 			libbe_print_errors(B_TRUE);
1271 			break;
1272 		default:
1273 			usage();
1274 			return (1);
1275 		}
1276 	}
1277 
1278 	argc -= optind;
1279 	argv += optind;
1280 
1281 	if (argc < 1 || argc > 2) {
1282 		usage();
1283 		return (1);
1284 	}
1285 
1286 	obe_name = argv[0];
1287 
1288 	if (argc == 2) {
1289 		mountpoint = argv[1];
1290 		if (mountpoint[0] != '/') {
1291 			(void) fprintf(stderr, _("Invalid mount point %s. "
1292 			    "Mount point must start with a /.\n"), mountpoint);
1293 			return (1);
1294 		}
1295 	} else {
1296 		const char *tmpdir = getenv("TMPDIR");
1297 		const char *tmpname = "tmp.XXXXXX";
1298 		int sz;
1299 
1300 		if (tmpdir == NULL)
1301 			tmpdir = "/tmp";
1302 
1303 		sz = asprintf(&tmp_mp, "%s/%s", tmpdir, tmpname);
1304 		if (sz < 0) {
1305 			(void) fprintf(stderr, _("internal error: "
1306 			    "out of memory\n"));
1307 			return (1);
1308 		}
1309 
1310 		mountpoint = mkdtemp(tmp_mp);
1311 	}
1312 
1313 	if (be_nvl_alloc(&be_attrs) != 0)
1314 		return (1);
1315 
1316 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1317 		goto out;
1318 
1319 	if (be_nvl_add_string(be_attrs, BE_ATTR_MOUNTPOINT, mountpoint) != 0)
1320 		goto out;
1321 
1322 	if (shared_fs && be_nvl_add_uint16(be_attrs, BE_ATTR_MOUNT_FLAGS,
1323 	    mount_flags) != 0)
1324 		goto out;
1325 
1326 	err = be_mount(be_attrs);
1327 
1328 	switch (err) {
1329 	case BE_SUCCESS:
1330 		(void) printf(_("Mounted successfully on: '%s'\n"), mountpoint);
1331 		break;
1332 	case BE_ERR_BE_NOENT:
1333 		(void) fprintf(stderr, _("%s does not exist or appear "
1334 		    "to be a valid BE.\nPlease check that the name of "
1335 		    "the BE provided is correct.\n"), obe_name);
1336 		break;
1337 	case BE_ERR_MOUNTED:
1338 		(void) fprintf(stderr, _("%s is already mounted.\n"
1339 		    "Please unmount the BE before mounting it again.\n"),
1340 		    obe_name);
1341 		break;
1342 	case BE_ERR_PERM:
1343 	case BE_ERR_ACCESS:
1344 		(void) fprintf(stderr, _("Unable to mount %s.\n"), obe_name);
1345 		(void) fprintf(stderr, _("You have insufficient privileges to "
1346 		    "execute this command.\n"));
1347 		break;
1348 	case BE_ERR_NO_MOUNTED_ZONE:
1349 		(void) fprintf(stderr, _("Mounted on '%s'.\nUnable to mount "
1350 		    "one of %s's zone BE's.\n"), mountpoint, obe_name);
1351 		break;
1352 	default:
1353 		(void) fprintf(stderr, _("Unable to mount %s.\n"), obe_name);
1354 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1355 	}
1356 
1357 out:
1358 	if (tmp_mp != NULL)
1359 		free(tmp_mp);
1360 	nvlist_free(be_attrs);
1361 	return (err);
1362 }
1363 
1364 static int
1365 be_do_unmount(int argc, char **argv)
1366 {
1367 	nvlist_t	*be_attrs;
1368 	char		*obe_name;
1369 	int		err = 1;
1370 	int		c;
1371 	int		unmount_flags = 0;
1372 
1373 	while ((c = getopt(argc, argv, "fv")) != -1) {
1374 		switch (c) {
1375 		case 'f':
1376 			unmount_flags |= BE_UNMOUNT_FLAG_FORCE;
1377 			break;
1378 		case 'v':
1379 			libbe_print_errors(B_TRUE);
1380 			break;
1381 		default:
1382 			usage();
1383 			return (1);
1384 		}
1385 	}
1386 
1387 	argc -= optind;
1388 	argv += optind;
1389 
1390 	if (argc != 1) {
1391 		usage();
1392 		return (1);
1393 	}
1394 
1395 	obe_name = argv[0];
1396 
1397 	if (be_nvl_alloc(&be_attrs) != 0)
1398 		return (1);
1399 
1400 
1401 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1402 		goto out;
1403 
1404 	if (be_nvl_add_uint16(be_attrs, BE_ATTR_UNMOUNT_FLAGS,
1405 	    unmount_flags) != 0)
1406 		goto out;
1407 
1408 	err = be_unmount(be_attrs);
1409 
1410 	switch (err) {
1411 	case BE_SUCCESS:
1412 		(void) printf(_("Unmounted successfully\n"));
1413 		break;
1414 	case BE_ERR_BE_NOENT:
1415 		(void) fprintf(stderr, _("%s does not exist or appear "
1416 		    "to be a valid BE.\nPlease check that the name of "
1417 		    "the BE provided is correct.\n"), obe_name);
1418 		break;
1419 	case BE_ERR_UMOUNT_CURR_BE:
1420 		(void) fprintf(stderr, _("%s is the currently active BE.\n"
1421 		    "It cannot be unmounted unless another BE is the "
1422 		    "currently active BE.\n"), obe_name);
1423 		break;
1424 	case BE_ERR_UMOUNT_SHARED:
1425 		(void) fprintf(stderr, _("%s is a shared file system and it "
1426 		    "cannot be unmounted.\n"), obe_name);
1427 		break;
1428 	case BE_ERR_PERM:
1429 	case BE_ERR_ACCESS:
1430 		(void) fprintf(stderr, _("Unable to unmount %s.\n"), obe_name);
1431 		(void) fprintf(stderr, _("You have insufficient privileges to "
1432 		    "execute this command.\n"));
1433 		break;
1434 	default:
1435 		(void) fprintf(stderr, _("Unable to unmount %s.\n"), obe_name);
1436 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1437 	}
1438 
1439 out:
1440 	nvlist_free(be_attrs);
1441 	return (err);
1442 }
1443 
1444 static int
1445 be_do_rename(int argc, char **argv)
1446 {
1447 	nvlist_t	*be_attrs;
1448 	char		*obe_name;
1449 	char		*nbe_name;
1450 	int err = 1;
1451 	int c;
1452 
1453 	while ((c = getopt(argc, argv, "v")) != -1) {
1454 		switch (c) {
1455 		case 'v':
1456 			libbe_print_errors(B_TRUE);
1457 			break;
1458 		default:
1459 			usage();
1460 			return (1);
1461 		}
1462 	}
1463 
1464 	argc -= optind;
1465 	argv += optind;
1466 
1467 	if (argc != 2) {
1468 		usage();
1469 		return (1);
1470 	}
1471 
1472 	obe_name = argv[0];
1473 	nbe_name = argv[1];
1474 
1475 	if (be_nvl_alloc(&be_attrs) != 0)
1476 		return (1);
1477 
1478 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1479 		goto out;
1480 
1481 	if (be_nvl_add_string(be_attrs, BE_ATTR_NEW_BE_NAME, nbe_name) != 0)
1482 		goto out;
1483 
1484 	err = be_rename(be_attrs);
1485 
1486 	switch (err) {
1487 	case BE_SUCCESS:
1488 		(void) printf(_("Renamed successfully\n"));
1489 		break;
1490 	case BE_ERR_BE_NOENT:
1491 		(void) fprintf(stderr, _("%s does not exist or appear "
1492 		    "to be a valid BE.\nPlease check that the name of "
1493 		    "the BE provided is correct.\n"), obe_name);
1494 		break;
1495 	case BE_ERR_PERM:
1496 	case BE_ERR_ACCESS:
1497 		(void) fprintf(stderr, _("Rename of BE %s failed.\n"),
1498 		    obe_name);
1499 		(void) fprintf(stderr, _("You have insufficient privileges to "
1500 		    "execute this command.\n"));
1501 		break;
1502 	default:
1503 		(void) fprintf(stderr, _("Rename of BE %s failed.\n"),
1504 		    obe_name);
1505 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1506 	}
1507 
1508 out:
1509 	nvlist_free(be_attrs);
1510 	return (err);
1511 }
1512 
1513 static int
1514 be_do_rollback(int argc, char **argv)
1515 {
1516 	nvlist_t	*be_attrs;
1517 	char		*obe_name;
1518 	char		*snap_name;
1519 	int		err = 1;
1520 	int		c;
1521 
1522 	while ((c = getopt(argc, argv, "v")) != -1) {
1523 		switch (c) {
1524 		case 'v':
1525 			libbe_print_errors(B_TRUE);
1526 			break;
1527 		default:
1528 			usage();
1529 			return (1);
1530 		}
1531 	}
1532 
1533 	argc -= optind;
1534 	argv += optind;
1535 
1536 	if (argc < 1 || argc > 2) {
1537 		usage();
1538 		return (1);
1539 	}
1540 
1541 	obe_name = argv[0];
1542 	if (argc == 2)
1543 		snap_name = argv[1];
1544 	else { /* argc == 1 */
1545 		if ((snap_name = strrchr(obe_name, '@')) != NULL) {
1546 			if (snap_name[1] == '\0') {
1547 				usage();
1548 				return (1);
1549 			}
1550 
1551 			snap_name[0] = '\0';
1552 			snap_name++;
1553 		} else {
1554 			usage();
1555 			return (1);
1556 		}
1557 	}
1558 
1559 	if (be_nvl_alloc(&be_attrs) != 0)
1560 		return (1);
1561 
1562 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1563 		goto out;
1564 
1565 	if (be_nvl_add_string(be_attrs, BE_ATTR_SNAP_NAME, snap_name) != 0)
1566 		goto out;
1567 
1568 	err = be_rollback(be_attrs);
1569 
1570 	switch (err) {
1571 	case BE_SUCCESS:
1572 		(void) printf(_("Rolled back successfully\n"));
1573 		break;
1574 	case BE_ERR_BE_NOENT:
1575 		(void) fprintf(stderr, _("%s does not exist or appear "
1576 		    "to be a valid BE.\nPlease check that the name of "
1577 		    "the BE provided is correct.\n"), obe_name);
1578 		break;
1579 	case BE_ERR_SS_NOENT:
1580 		(void) fprintf(stderr, _("%s does not exist or appear "
1581 		    "to be a valid snapshot.\nPlease check that the name of "
1582 		    "the snapshot provided is correct.\n"), snap_name);
1583 		break;
1584 	case BE_ERR_PERM:
1585 	case BE_ERR_ACCESS:
1586 		(void) fprintf(stderr, _("Rollback of BE %s snapshot %s "
1587 		    "failed.\n"), obe_name, snap_name);
1588 		(void) fprintf(stderr, _("You have insufficient privileges to "
1589 		    "execute this command.\n"));
1590 		break;
1591 	default:
1592 		(void) fprintf(stderr, _("Rollback of BE %s snapshot %s "
1593 		    "failed.\n"), obe_name, snap_name);
1594 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1595 	}
1596 
1597 out:
1598 	nvlist_free(be_attrs);
1599 	return (err);
1600 }
1601