xref: /illumos-gate/usr/src/cmd/beadm/beadm.c (revision 7d1eae8c55720848a7a807e8b76f4b8c7e339af3)
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  */
31 
32 /*
33  * System includes
34  */
35 
36 #include <assert.h>
37 #include <stdio.h>
38 #include <strings.h>
39 #include <libzfs.h>
40 #include <locale.h>
41 #include <langinfo.h>
42 #include <stdlib.h>
43 #include <wchar.h>
44 #include <sys/types.h>
45 #include <sys/debug.h>
46 #include <libcmdutils.h>
47 
48 #include "libbe.h"
49 
50 #ifndef lint
51 #define	_(x) gettext(x)
52 #else
53 #define	_(x) (x)
54 #endif
55 
56 #ifndef TEXT_DOMAIN
57 #define	TEXT_DOMAIN "SYS_TEST"
58 #endif
59 
60 #define	DT_BUF_LEN (128)
61 #define	NUM_COLS (6)
62 CTASSERT(DT_BUF_LEN >= NN_NUMBUF_SZ);
63 
64 static int be_do_activate(int argc, char **argv);
65 static int be_do_create(int argc, char **argv);
66 static int be_do_destroy(int argc, char **argv);
67 static int be_do_list(int argc, char **argv);
68 static int be_do_mount(int argc, char **argv);
69 static int be_do_unmount(int argc, char **argv);
70 static int be_do_rename(int argc, char **argv);
71 static int be_do_rollback(int argc, char **argv);
72 static void usage(void);
73 
74 /*
75  * single column name/width output format description
76  */
77 struct col_info {
78 	const char *col_name;
79 	size_t width;
80 };
81 
82 /*
83  * all columns output format
84  */
85 struct hdr_info {
86 	struct col_info cols[NUM_COLS];
87 };
88 
89 /*
90  * type of possible output formats
91  */
92 enum be_fmt {
93 	BE_FMT_DEFAULT,
94 	BE_FMT_DATASET,
95 	BE_FMT_SNAPSHOT,
96 	BE_FMT_ALL
97 };
98 
99 /*
100  * command handler description
101  */
102 typedef struct be_command {
103 	const char	*name;
104 	int		(*func)(int argc, char **argv);
105 } be_command_t;
106 
107 /*
108  * sorted list of be commands
109  */
110 static const be_command_t be_command_tbl[] = {
111 	{ "activate",		be_do_activate },
112 	{ "create",		be_do_create },
113 	{ "destroy",		be_do_destroy },
114 	{ "list",		be_do_list },
115 	{ "mount",		be_do_mount },
116 	{ "unmount",		be_do_unmount },
117 	{ "umount",		be_do_unmount }, /* unmount alias */
118 	{ "rename",		be_do_rename },
119 	{ "rollback",		be_do_rollback },
120 	{ NULL,			NULL },
121 };
122 
123 static void
124 usage(void)
125 {
126 	(void) fprintf(stderr, _("usage:\n"
127 	    "\tbeadm subcommand cmd_options\n"
128 	    "\n"
129 	    "\tsubcommands:\n"
130 	    "\n"
131 	    "\tbeadm activate [-v] beName\n"
132 	    "\tbeadm create [-a] [-d BE_desc]\n"
133 	    "\t\t[-o property=value] ... [-p zpool] \n"
134 	    "\t\t[-e nonActiveBe | beName@snapshot] [-v] beName\n"
135 	    "\tbeadm create [-d BE_desc]\n"
136 	    "\t\t[-o property=value] ... [-p zpool] [-v] beName@snapshot\n"
137 	    "\tbeadm destroy [-Ffsv] beName \n"
138 	    "\tbeadm destroy [-Fv] beName@snapshot \n"
139 	    "\tbeadm list [[-a] | [-d] [-s]] [-H]\n"
140 	    "\t\t[-k|-K date | name | space] [-v] [beName]\n"
141 	    "\tbeadm mount [-s ro|rw] [-v] beName [mountpoint]\n"
142 	    "\tbeadm unmount [-fv] beName | mountpoint\n"
143 	    "\tbeadm umount [-fv] beName | mountpoint\n"
144 	    "\tbeadm rename [-v] origBeName newBeName\n"
145 	    "\tbeadm rollback [-v] beName snapshot\n"
146 	    "\tbeadm rollback [-v] beName@snapshot\n"));
147 }
148 
149 static int
150 run_be_cmd(const char *cmdname, int argc, char **argv)
151 {
152 	const be_command_t *command;
153 
154 	for (command = &be_command_tbl[0]; command->name != NULL; command++)
155 		if (strcmp(command->name, cmdname) == 0)
156 			return (command->func(argc, argv));
157 
158 	(void) fprintf(stderr, _("Invalid command: %s\n"), cmdname);
159 	usage();
160 	return (1);
161 }
162 
163 int
164 main(int argc, char **argv)
165 {
166 	const char *cmdname;
167 
168 	(void) setlocale(LC_ALL, "");
169 	(void) textdomain(TEXT_DOMAIN);
170 
171 	if (argc < 2) {
172 		usage();
173 		return (1);
174 	}
175 
176 	cmdname = argv[1];
177 
178 	/* Turn error printing off */
179 	libbe_print_errors(B_FALSE);
180 
181 	return (run_be_cmd(cmdname, --argc, ++argv));
182 }
183 
184 static void
185 print_hdr(struct hdr_info *hdr_info)
186 {
187 	boolean_t first = B_TRUE;
188 	size_t i;
189 	for (i = 0; i < NUM_COLS; i++) {
190 		struct col_info *col_info = &hdr_info->cols[i];
191 		const char *name = col_info->col_name;
192 		size_t width = col_info->width;
193 		if (name == NULL)
194 			continue;
195 
196 		if (first) {
197 			(void) printf("%-*s", width, name);
198 			first = B_FALSE;
199 		} else
200 			(void) printf(" %-*s", width, name);
201 	}
202 	(void) putchar('\n');
203 }
204 
205 static void
206 init_hdr_cols(enum be_fmt be_fmt, struct hdr_info *hdr)
207 {
208 	struct col_info *col = hdr->cols;
209 	size_t i;
210 
211 	col[1].col_name = _("Active");
212 	col[2].col_name = _("Mountpoint");
213 	col[3].col_name = _("Space");
214 	col[4].col_name = _("Policy");
215 	col[5].col_name = _("Created");
216 	col[6].col_name = NULL;
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[3] = "-\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 
382 		nicenum(used, buf, sizeof (buf));
383 		if (parsable)
384 			(void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
385 			    name,
386 			    (uuid_str != NULL ? uuid_str: ""),
387 			    active,
388 			    (cur_be->be_mounted ? mntpt: ""),
389 			    used,
390 			    cur_be->be_policy_type,
391 			    creation);
392 		else
393 			(void) printf("%-*s %-*s %-*s %-*s %-*s %-*s\n",
394 			    hdr->cols[0].width, name,
395 			    hdr->cols[1].width, active,
396 			    hdr->cols[2].width, (cur_be->be_mounted ? mntpt:
397 			    "-"),
398 			    hdr->cols[3].width, buf,
399 			    hdr->cols[4].width, cur_be->be_policy_type,
400 			    hdr->cols[5].width, datetime);
401 	}
402 }
403 
404 static void
405 print_be_snapshots(be_node_list_t *be, struct hdr_info *hdr, boolean_t parsable)
406 {
407 	char buf[64];
408 	char datetime[DT_BUF_LEN];
409 	be_snapshot_list_t *snap = NULL;
410 
411 	for (snap = be->be_node_snapshots; snap != NULL;
412 	    snap = snap->be_next_snapshot) {
413 		char name[ZFS_MAX_DATASET_NAME_LEN + 1];
414 		const char *datetime_fmt = "%F %R";
415 		const char *be_name = be->be_node_name;
416 		const char *root_ds = be->be_root_ds;
417 		const char *snap_name = snap->be_snapshot_name;
418 		char *pos;
419 		uint64_t used = snap->be_snapshot_space_used;
420 		time_t creation = snap->be_snapshot_creation;
421 		struct tm *tm = localtime(&creation);
422 
423 		(void) strncpy(name, root_ds, sizeof (name));
424 		pos = strstr(name, be_name);
425 		(void) strcpy(pos, snap_name);
426 
427 		(void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
428 		nicenum(used, buf, sizeof (buf));
429 
430 		if (parsable)
431 			if (hdr->cols[1].width != 0)
432 				(void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
433 				    be_name,
434 				    snap_name,
435 				    "",
436 				    "",
437 				    used,
438 				    be->be_policy_type,
439 				    creation);
440 			else
441 				(void) printf("%s;%s;%llu;%s;%ld\n",
442 				    be_name,
443 				    snap_name,
444 				    used,
445 				    be->be_policy_type,
446 				    creation);
447 		else
448 			if (hdr->cols[1].width != 0)
449 				(void) printf("   %-*s %-*s %-*s %-*s %-*s "
450 				    "%-*s\n",
451 				    hdr->cols[0].width-3, name,
452 				    hdr->cols[1].width, "-",
453 				    hdr->cols[2].width, "-",
454 				    hdr->cols[3].width, buf,
455 				    hdr->cols[4].width, be->be_policy_type,
456 				    hdr->cols[5].width, datetime);
457 			else
458 				(void) printf("   %-*s %-*s %-*s %-*s\n",
459 				    hdr->cols[0].width-3, snap_name,
460 				    hdr->cols[3].width, buf,
461 				    hdr->cols[4].width, be->be_policy_type,
462 				    hdr->cols[5].width, datetime);
463 	}
464 }
465 
466 static void
467 print_fmt_nodes(const char *be_name, enum be_fmt be_fmt, boolean_t parsable,
468     struct hdr_info *hdr, be_node_list_t *nodes)
469 {
470 	char buf[64];
471 	char datetime[DT_BUF_LEN];
472 	be_node_list_t	*cur_be;
473 
474 	for (cur_be = nodes; cur_be != NULL; cur_be = cur_be->be_next_node) {
475 		char active[3] = "-\0";
476 		int ai = 0;
477 		const char *datetime_fmt = "%F %R";
478 		const char *name = cur_be->be_node_name;
479 		const char *mntpt = cur_be->be_mntpt;
480 		uint64_t used = cur_be->be_space_used;
481 		time_t creation = cur_be->be_node_creation;
482 		struct tm *tm;
483 
484 		if (be_name != NULL && strcmp(be_name, name) != 0)
485 			continue;
486 
487 		if (!parsable)
488 			(void) printf("%-s\n", name);
489 		else
490 			active[0] = '\0';
491 
492 		tm = localtime(&creation);
493 		(void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
494 
495 		if (cur_be->be_active)
496 			active[ai++] = 'N';
497 		if (cur_be->be_active_on_boot)
498 			active[ai] = 'R';
499 
500 		nicenum(used, buf, sizeof (buf));
501 		if (be_fmt & BE_FMT_DATASET)
502 			if (parsable)
503 				(void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
504 				    cur_be->be_node_name,
505 				    cur_be->be_root_ds,
506 				    active,
507 				    (cur_be->be_mounted ? mntpt: ""),
508 				    used,
509 				    cur_be->be_policy_type,
510 				    creation);
511 			else
512 				(void) printf("   %-*s %-*s %-*s %-*s %-*s "
513 				    "%-*s\n",
514 				    hdr->cols[0].width-3, cur_be->be_root_ds,
515 				    hdr->cols[1].width, active,
516 				    hdr->cols[2].width, (cur_be->be_mounted ?
517 				    mntpt: "-"),
518 				    hdr->cols[3].width, buf,
519 				    hdr->cols[4].width, cur_be->be_policy_type,
520 				    hdr->cols[5].width, datetime);
521 
522 		if (be_fmt & BE_FMT_SNAPSHOT)
523 			print_be_snapshots(cur_be, hdr, parsable);
524 	}
525 }
526 
527 static void
528 print_nodes(const char *be_name, boolean_t dsets, boolean_t snaps,
529     boolean_t parsable, be_node_list_t *be_nodes)
530 {
531 	struct hdr_info hdr;
532 	enum be_fmt be_fmt  = BE_FMT_DEFAULT;
533 
534 	if (dsets)
535 		be_fmt |= BE_FMT_DATASET;
536 	if (snaps)
537 		be_fmt |= BE_FMT_SNAPSHOT;
538 
539 	if (!parsable) {
540 		init_hdr_cols(be_fmt, &hdr);
541 		count_widths(be_fmt, &hdr, be_nodes);
542 		print_hdr(&hdr);
543 	}
544 
545 	if (be_fmt == BE_FMT_DEFAULT)
546 		print_be_nodes(be_name, parsable, &hdr, be_nodes);
547 	else
548 		print_fmt_nodes(be_name, be_fmt, parsable, &hdr, be_nodes);
549 }
550 
551 static boolean_t
552 confirm_destroy(const char *name)
553 {
554 	boolean_t res = B_FALSE;
555 	const char *yesre = nl_langinfo(YESEXPR);
556 	const char *nore = nl_langinfo(NOEXPR);
557 	regex_t yes_re;
558 	regex_t no_re;
559 	char buf[128];
560 	char *answer;
561 	int cflags = REG_EXTENDED;
562 
563 	if (regcomp(&yes_re, yesre, cflags) != 0) {
564 		/* should not happen */
565 		(void) fprintf(stderr, _("Failed to compile 'yes' regexp\n"));
566 		return (res);
567 	}
568 	if (regcomp(&no_re, nore, cflags) != 0) {
569 		/* should not happen */
570 		(void) fprintf(stderr, _("Failed to compile 'no' regexp\n"));
571 		regfree(&yes_re);
572 		return (res);
573 	}
574 
575 	(void) printf(_("Are you sure you want to destroy %s?\n"
576 	    "This action cannot be undone (y/[n]): "), name);
577 
578 	answer = fgets(buf, sizeof (buf), stdin);
579 	if (answer == NULL || *answer == '\0' || *answer == 10)
580 		goto out;
581 
582 	if (regexec(&yes_re, answer, 0, NULL, 0) == 0) {
583 		res = B_TRUE;
584 	} else if (regexec(&no_re, answer, 0, NULL, 0) != 0) {
585 		(void) fprintf(stderr, _("Invalid response. "
586 		    "Please enter 'y' or 'n'.\n"));
587 	}
588 
589 out:
590 	regfree(&yes_re);
591 	regfree(&no_re);
592 	return (res);
593 }
594 
595 static int
596 be_nvl_alloc(nvlist_t **nvlp)
597 {
598 	assert(nvlp != NULL);
599 
600 	if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0) {
601 		(void) perror(_("nvlist_alloc failed.\n"));
602 		return (1);
603 	}
604 
605 	return (0);
606 }
607 
608 static int
609 be_nvl_add_string(nvlist_t *nvl, const char *name, const char *val)
610 {
611 	assert(nvl != NULL);
612 
613 	if (nvlist_add_string(nvl, name, val) != 0) {
614 		(void) fprintf(stderr, _("nvlist_add_string failed for "
615 		    "%s (%s).\n"), name, val);
616 		return (1);
617 	}
618 
619 	return (0);
620 }
621 
622 static int
623 be_nvl_add_nvlist(nvlist_t *nvl, const char *name, nvlist_t *val)
624 {
625 	assert(nvl != NULL);
626 
627 	if (nvlist_add_nvlist(nvl, name, val) != 0) {
628 		(void) fprintf(stderr, _("nvlist_add_nvlist failed for %s.\n"),
629 		    name);
630 		return (1);
631 	}
632 
633 	return (0);
634 }
635 
636 static int
637 be_nvl_add_uint16(nvlist_t *nvl, const char *name, uint16_t val)
638 {
639 	assert(nvl != NULL);
640 
641 	if (nvlist_add_uint16(nvl, name, val) != 0) {
642 		(void) fprintf(stderr, _("nvlist_add_uint16 failed for "
643 		    "%s (%hu).\n"), name, val);
644 		return (1);
645 	}
646 
647 	return (0);
648 }
649 
650 static int
651 be_do_activate(int argc, char **argv)
652 {
653 	nvlist_t	*be_attrs;
654 	int		err = 1;
655 	int		c;
656 	char		*obe_name;
657 
658 	while ((c = getopt(argc, argv, "v")) != -1) {
659 		switch (c) {
660 		case 'v':
661 			libbe_print_errors(B_TRUE);
662 			break;
663 		default:
664 			usage();
665 			return (1);
666 		}
667 	}
668 
669 	argc -= optind;
670 	argv += optind;
671 
672 	if (argc != 1) {
673 		usage();
674 		return (1);
675 	}
676 
677 	obe_name = argv[0];
678 
679 	if (be_nvl_alloc(&be_attrs) != 0)
680 		return (1);
681 
682 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
683 		goto out;
684 
685 	err = be_activate(be_attrs);
686 
687 	switch (err) {
688 	case BE_SUCCESS:
689 		(void) printf(_("Activated successfully\n"));
690 		break;
691 	case BE_ERR_BE_NOENT:
692 		(void) fprintf(stderr, _("%s does not exist or appear "
693 		    "to be a valid BE.\nPlease check that the name of "
694 		    "the BE provided is correct.\n"), obe_name);
695 		break;
696 	case BE_ERR_PERM:
697 	case BE_ERR_ACCESS:
698 		(void) fprintf(stderr, _("Unable to activate %s.\n"), obe_name);
699 		(void) fprintf(stderr, _("You have insufficient privileges to "
700 		    "execute this command.\n"));
701 		break;
702 	case BE_ERR_ACTIVATE_CURR:
703 	default:
704 		(void) fprintf(stderr, _("Unable to activate %s.\n"), obe_name);
705 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
706 	}
707 
708 out:
709 	nvlist_free(be_attrs);
710 	return (err);
711 }
712 
713 static int
714 be_do_create(int argc, char **argv)
715 {
716 	nvlist_t	*be_attrs;
717 	nvlist_t	*zfs_props = NULL;
718 	boolean_t	activate = B_FALSE;
719 	boolean_t	is_snap = B_FALSE;
720 	int		c;
721 	int		err = 1;
722 	char		*obe_name = NULL;
723 	char		*snap_name = NULL;
724 	char		*nbe_zpool = NULL;
725 	char		*nbe_name = NULL;
726 	char		*nbe_desc = NULL;
727 	char		*propname = NULL;
728 	char		*propval = NULL;
729 	char		*strval = NULL;
730 
731 	while ((c = getopt(argc, argv, "ad:e:io:p:v")) != -1) {
732 		switch (c) {
733 		case 'a':
734 			activate = B_TRUE;
735 			break;
736 		case 'd':
737 			nbe_desc = optarg;
738 			break;
739 		case 'e':
740 			obe_name = optarg;
741 			break;
742 		case 'o':
743 			if (zfs_props == NULL && be_nvl_alloc(&zfs_props) != 0)
744 				return (1);
745 
746 			propname = optarg;
747 			if ((propval = strchr(propname, '=')) == NULL) {
748 				(void) fprintf(stderr, _("missing "
749 				    "'=' for -o option\n"));
750 				goto out2;
751 			}
752 			*propval = '\0';
753 			propval++;
754 			if (nvlist_lookup_string(zfs_props, propname,
755 			    &strval) == 0) {
756 				(void) fprintf(stderr, _("property '%s' "
757 				    "specified multiple times\n"), propname);
758 				goto out2;
759 
760 			}
761 			if (be_nvl_add_string(zfs_props, propname, propval)
762 			    != 0)
763 				goto out2;
764 
765 			break;
766 		case 'p':
767 			nbe_zpool = optarg;
768 			break;
769 		case 'v':
770 			libbe_print_errors(B_TRUE);
771 			break;
772 		default:
773 			usage();
774 			goto out2;
775 		}
776 	}
777 
778 	argc -= optind;
779 	argv += optind;
780 
781 	if (argc != 1) {
782 		usage();
783 		goto out2;
784 	}
785 
786 	nbe_name = argv[0];
787 
788 	if ((snap_name = strrchr(nbe_name, '@')) != NULL) {
789 		if (snap_name[1] == '\0') {
790 			usage();
791 			goto out2;
792 		}
793 
794 		snap_name[0] = '\0';
795 		snap_name++;
796 		is_snap = B_TRUE;
797 	}
798 
799 	if (obe_name) {
800 		if (is_snap) {
801 			usage();
802 			goto out2;
803 		}
804 
805 		/*
806 		 * Check if obe_name is really a snapshot name.
807 		 * If so, split it out.
808 		 */
809 		if ((snap_name = strrchr(obe_name, '@')) != NULL) {
810 			if (snap_name[1] == '\0') {
811 				usage();
812 				goto out2;
813 			}
814 
815 			snap_name[0] = '\0';
816 			snap_name++;
817 		}
818 	} else if (is_snap) {
819 		obe_name = nbe_name;
820 		nbe_name = NULL;
821 	}
822 
823 	if (be_nvl_alloc(&be_attrs) != 0)
824 		goto out2;
825 
826 
827 	if (zfs_props != NULL && be_nvl_add_nvlist(be_attrs,
828 	    BE_ATTR_ORIG_BE_NAME, zfs_props) != 0)
829 		goto out;
830 
831 	if (obe_name != NULL && be_nvl_add_string(be_attrs,
832 	    BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
833 		goto out;
834 
835 	if (snap_name != NULL && be_nvl_add_string(be_attrs,
836 	    BE_ATTR_SNAP_NAME, snap_name) != 0)
837 		goto out;
838 
839 	if (nbe_zpool != NULL && be_nvl_add_string(be_attrs,
840 	    BE_ATTR_NEW_BE_POOL, nbe_zpool) != 0)
841 		goto out;
842 
843 	if (nbe_name != NULL && be_nvl_add_string(be_attrs,
844 	    BE_ATTR_NEW_BE_NAME, nbe_name) != 0)
845 		goto out;
846 
847 	if (nbe_desc != NULL && be_nvl_add_string(be_attrs,
848 	    BE_ATTR_NEW_BE_DESC, nbe_desc) != 0)
849 		goto out;
850 
851 	if (is_snap)
852 		err = be_create_snapshot(be_attrs);
853 	else
854 		err = be_copy(be_attrs);
855 
856 	switch (err) {
857 	case BE_SUCCESS:
858 		if (!is_snap && !nbe_name) {
859 			/*
860 			 * We requested an auto named BE; find out the
861 			 * name of the BE that was created for us and
862 			 * the auto snapshot created from the original BE.
863 			 */
864 			if (nvlist_lookup_string(be_attrs, BE_ATTR_NEW_BE_NAME,
865 			    &nbe_name) != 0) {
866 				(void) fprintf(stderr, _("failed to get %s "
867 				    "attribute\n"), BE_ATTR_NEW_BE_NAME);
868 				break;
869 			} else
870 				(void) printf(_("Auto named BE: %s\n"),
871 				    nbe_name);
872 
873 			if (nvlist_lookup_string(be_attrs, BE_ATTR_SNAP_NAME,
874 			    &snap_name) != 0) {
875 				(void) fprintf(stderr, _("failed to get %s "
876 				    "attribute\n"), BE_ATTR_SNAP_NAME);
877 				break;
878 			} else
879 				(void) printf(_("Auto named snapshot: %s\n"),
880 				    snap_name);
881 		}
882 
883 		if (!is_snap && activate) {
884 			char *args[] = { "activate", "", NULL };
885 			args[1] = nbe_name;
886 			optind = 1;
887 
888 			err = be_do_activate(2, args);
889 			goto out;
890 		}
891 
892 		(void) printf(_("Created successfully\n"));
893 		break;
894 	case BE_ERR_BE_EXISTS:
895 		(void) fprintf(stderr, _("BE %s already exists\n."
896 		    "Please choose a different BE name.\n"), nbe_name);
897 		break;
898 	case BE_ERR_SS_EXISTS:
899 		(void) fprintf(stderr, _("BE %s snapshot %s already exists.\n"
900 		    "Please choose a different snapshot name.\n"), obe_name,
901 		    snap_name);
902 		break;
903 	case BE_ERR_PERM:
904 	case BE_ERR_ACCESS:
905 		if (is_snap)
906 			(void) fprintf(stderr, _("Unable to create snapshot "
907 			    "%s.\n"), snap_name);
908 		else
909 			(void) fprintf(stderr, _("Unable to create %s.\n"),
910 			    nbe_name);
911 		(void) fprintf(stderr, _("You have insufficient privileges to "
912 		    "execute this command.\n"));
913 		break;
914 	default:
915 		if (is_snap)
916 			(void) fprintf(stderr, _("Unable to create snapshot "
917 			    "%s.\n"), snap_name);
918 		else
919 			(void) fprintf(stderr, _("Unable to create %s.\n"),
920 			    nbe_name);
921 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
922 	}
923 
924 out:
925 	nvlist_free(be_attrs);
926 out2:
927 	nvlist_free(zfs_props);
928 
929 	return (err);
930 }
931 
932 static int
933 be_do_destroy(int argc, char **argv)
934 {
935 	nvlist_t	*be_attrs;
936 	boolean_t	is_snap = B_FALSE;
937 	boolean_t	suppress_prompt = B_FALSE;
938 	int		err = 1;
939 	int		c;
940 	int		destroy_flags = 0;
941 	char		*snap_name;
942 	char		*be_name;
943 
944 	while ((c = getopt(argc, argv, "fFsv")) != -1) {
945 		switch (c) {
946 		case 'f':
947 			destroy_flags |= BE_DESTROY_FLAG_FORCE_UNMOUNT;
948 			break;
949 		case 's':
950 			destroy_flags |= BE_DESTROY_FLAG_SNAPSHOTS;
951 			break;
952 		case 'v':
953 			libbe_print_errors(B_TRUE);
954 			break;
955 		case 'F':
956 			suppress_prompt = B_TRUE;
957 			break;
958 		default:
959 			usage();
960 			return (1);
961 		}
962 	}
963 
964 	argc -= optind;
965 	argv += optind;
966 
967 	if (argc != 1) {
968 		usage();
969 		return (1);
970 	}
971 
972 	be_name = argv[0];
973 	if (!suppress_prompt && !confirm_destroy(be_name)) {
974 		(void) printf(_("%s has not been destroyed.\n"), be_name);
975 		return (0);
976 	}
977 
978 	if ((snap_name = strrchr(be_name, '@')) != NULL) {
979 		if (snap_name[1] == '\0') {
980 			usage();
981 			return (1);
982 		}
983 
984 		is_snap = B_TRUE;
985 		*snap_name = '\0';
986 		snap_name++;
987 	}
988 
989 	if (be_nvl_alloc(&be_attrs) != 0)
990 		return (1);
991 
992 
993 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, be_name) != 0)
994 		goto out;
995 
996 	if (is_snap) {
997 		if (be_nvl_add_string(be_attrs, BE_ATTR_SNAP_NAME,
998 		    snap_name) != 0)
999 			goto out;
1000 
1001 		err = be_destroy_snapshot(be_attrs);
1002 	} else {
1003 		if (be_nvl_add_uint16(be_attrs, BE_ATTR_DESTROY_FLAGS,
1004 		    destroy_flags) != 0)
1005 			goto out;
1006 
1007 		err = be_destroy(be_attrs);
1008 	}
1009 
1010 	switch (err) {
1011 	case BE_SUCCESS:
1012 		(void) printf(_("Destroyed successfully\n"));
1013 		break;
1014 	case BE_ERR_MOUNTED:
1015 		(void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1016 		(void) fprintf(stderr, _("It is currently mounted and must be "
1017 		    "unmounted before it can be destroyed.\n" "Use 'beadm "
1018 		    "unmount %s' to unmount the BE before destroying\nit or "
1019 		    "'beadm destroy -f %s'.\n"), be_name, be_name);
1020 		break;
1021 	case BE_ERR_DESTROY_CURR_BE:
1022 		(void) fprintf(stderr, _("%s is the currently active BE and "
1023 		    "cannot be destroyed.\nYou must boot from another BE in "
1024 		    "order to destroy %s.\n"), be_name, be_name);
1025 		break;
1026 	case BE_ERR_ZONES_UNMOUNT:
1027 		(void) fprintf(stderr, _("Unable to destroy one of " "%s's "
1028 		    "zone BE's.\nUse 'beadm destroy -f %s' or "
1029 		    "'zfs -f destroy <dataset>'.\n"), be_name, be_name);
1030 		break;
1031 	case BE_ERR_SS_NOENT:
1032 		(void) fprintf(stderr, _("%s does not exist or appear "
1033 		    "to be a valid snapshot.\nPlease check that the name of "
1034 		    "the snapshot provided is correct.\n"), snap_name);
1035 		break;
1036 	case BE_ERR_PERM:
1037 	case BE_ERR_ACCESS:
1038 		(void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1039 		(void) fprintf(stderr, _("You have insufficient privileges to "
1040 		    "execute this command.\n"));
1041 		break;
1042 	case BE_ERR_SS_EXISTS:
1043 		(void) fprintf(stderr, _("Unable to destroy %s: "
1044 		    "BE has snapshots.\nUse 'beadm destroy -s %s' or "
1045 		    "'zfs -r destroy <dataset>'.\n"), be_name, be_name);
1046 		break;
1047 	default:
1048 		(void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1049 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1050 	}
1051 
1052 out:
1053 	nvlist_free(be_attrs);
1054 	return (err);
1055 }
1056 
1057 static int
1058 be_do_list(int argc, char **argv)
1059 {
1060 	be_node_list_t	*be_nodes = NULL;
1061 	boolean_t	all = B_FALSE;
1062 	boolean_t	dsets = B_FALSE;
1063 	boolean_t	snaps = B_FALSE;
1064 	boolean_t	parsable = B_FALSE;
1065 	int		err = 1;
1066 	int		c = 0;
1067 	char		*be_name = NULL;
1068 	be_sort_t	order = BE_SORT_UNSPECIFIED;
1069 
1070 	while ((c = getopt(argc, argv, "adk:svHK:")) != -1) {
1071 		switch (c) {
1072 		case 'a':
1073 			all = B_TRUE;
1074 			break;
1075 		case 'd':
1076 			dsets = B_TRUE;
1077 			break;
1078 		case 'k':
1079 		case 'K':
1080 			if (order != BE_SORT_UNSPECIFIED) {
1081 				(void) fprintf(stderr, _("Sort key can be "
1082 				    "specified only once.\n"));
1083 				usage();
1084 				return (1);
1085 			}
1086 			if (strcmp(optarg, "date") == 0) {
1087 				if (c == 'k')
1088 					order = BE_SORT_DATE;
1089 				else
1090 					order = BE_SORT_DATE_REV;
1091 				break;
1092 			}
1093 			if (strcmp(optarg, "name") == 0) {
1094 				if (c == 'k')
1095 					order = BE_SORT_NAME;
1096 				else
1097 					order = BE_SORT_NAME_REV;
1098 				break;
1099 			}
1100 			if (strcmp(optarg, "space") == 0) {
1101 				if (c == 'k')
1102 					order = BE_SORT_SPACE;
1103 				else
1104 					order = BE_SORT_SPACE_REV;
1105 				break;
1106 			}
1107 			(void) fprintf(stderr, _("Unknown sort key: %s\n"),
1108 			    optarg);
1109 			usage();
1110 			return (1);
1111 		case 's':
1112 			snaps = B_TRUE;
1113 			break;
1114 		case 'v':
1115 			libbe_print_errors(B_TRUE);
1116 			break;
1117 		case 'H':
1118 			parsable = B_TRUE;
1119 			break;
1120 		default:
1121 			usage();
1122 			return (1);
1123 		}
1124 	}
1125 
1126 	if (all) {
1127 		if (dsets) {
1128 			(void) fprintf(stderr, _("Invalid options: -a and %s "
1129 			    "are mutually exclusive.\n"), "-d");
1130 			usage();
1131 			return (1);
1132 		}
1133 		if (snaps) {
1134 			(void) fprintf(stderr, _("Invalid options: -a and %s "
1135 			    "are mutually exclusive.\n"), "-s");
1136 			usage();
1137 			return (1);
1138 		}
1139 
1140 		dsets = B_TRUE;
1141 		snaps = B_TRUE;
1142 	}
1143 
1144 	argc -= optind;
1145 	argv += optind;
1146 
1147 
1148 	if (argc == 1)
1149 		be_name = argv[0];
1150 
1151 	err = be_list(be_name, &be_nodes,
1152 	    snaps ? BE_LIST_SNAPSHOTS : BE_LIST_DEFAULT);
1153 
1154 	switch (err) {
1155 	case BE_SUCCESS:
1156 		/* the default sort is ascending date, no need to sort twice */
1157 		if (order == BE_SORT_UNSPECIFIED)
1158 			order = BE_SORT_DATE;
1159 
1160 		if (order != BE_SORT_DATE) {
1161 			err = be_sort(&be_nodes, order);
1162 			if (err != BE_SUCCESS) {
1163 				(void) fprintf(stderr, _("Unable to sort Boot "
1164 				    "Environment\n"));
1165 				(void) fprintf(stderr, "%s\n",
1166 				    be_err_to_str(err));
1167 				break;
1168 			}
1169 		}
1170 
1171 		print_nodes(be_name, dsets, snaps, parsable, be_nodes);
1172 		break;
1173 	case BE_ERR_BE_NOENT:
1174 		if (be_name == NULL)
1175 			(void) fprintf(stderr, _("No boot environments found "
1176 			    "on this system.\n"));
1177 		else {
1178 			(void) fprintf(stderr, _("%s does not exist or appear "
1179 			    "to be a valid BE.\nPlease check that the name of "
1180 			    "the BE provided is correct.\n"), be_name);
1181 		}
1182 		break;
1183 	default:
1184 		(void) fprintf(stderr, _("Unable to display Boot "
1185 		    "Environment\n"));
1186 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1187 	}
1188 
1189 	if (be_nodes != NULL)
1190 		be_free_list(be_nodes);
1191 	return (err);
1192 }
1193 
1194 static int
1195 be_do_mount(int argc, char **argv)
1196 {
1197 	nvlist_t	*be_attrs;
1198 	boolean_t	shared_fs = B_FALSE;
1199 	int		err = 1;
1200 	int		c;
1201 	int		mount_flags = 0;
1202 	char		*obe_name;
1203 	char		*mountpoint;
1204 	char		*tmp_mp = NULL;
1205 
1206 	while ((c = getopt(argc, argv, "s:v")) != -1) {
1207 		switch (c) {
1208 		case 's':
1209 			shared_fs = B_TRUE;
1210 
1211 			mount_flags |= BE_MOUNT_FLAG_SHARED_FS;
1212 
1213 			if (strcmp(optarg, "rw") == 0) {
1214 				mount_flags |= BE_MOUNT_FLAG_SHARED_RW;
1215 			} else if (strcmp(optarg, "ro") != 0) {
1216 				(void) fprintf(stderr, _("The -s flag "
1217 				    "requires an argument [ rw | ro ]\n"));
1218 				usage();
1219 				return (1);
1220 			}
1221 
1222 			break;
1223 		case 'v':
1224 			libbe_print_errors(B_TRUE);
1225 			break;
1226 		default:
1227 			usage();
1228 			return (1);
1229 		}
1230 	}
1231 
1232 	argc -= optind;
1233 	argv += optind;
1234 
1235 	if (argc < 1 || argc > 2) {
1236 		usage();
1237 		return (1);
1238 	}
1239 
1240 	obe_name = argv[0];
1241 
1242 	if (argc == 2) {
1243 		mountpoint = argv[1];
1244 		if (mountpoint[0] != '/') {
1245 			(void) fprintf(stderr, _("Invalid mount point %s. "
1246 			    "Mount point must start with a /.\n"), mountpoint);
1247 			return (1);
1248 		}
1249 	} else {
1250 		const char *tmpdir = getenv("TMPDIR");
1251 		const char *tmpname = "tmp.XXXXXX";
1252 		int sz;
1253 
1254 		if (tmpdir == NULL)
1255 			tmpdir = "/tmp";
1256 
1257 		sz = asprintf(&tmp_mp, "%s/%s", tmpdir, tmpname);
1258 		if (sz < 0) {
1259 			(void) fprintf(stderr, _("internal error: "
1260 			    "out of memory\n"));
1261 			return (1);
1262 		}
1263 
1264 		mountpoint = mkdtemp(tmp_mp);
1265 	}
1266 
1267 	if (be_nvl_alloc(&be_attrs) != 0)
1268 		return (1);
1269 
1270 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1271 		goto out;
1272 
1273 	if (be_nvl_add_string(be_attrs, BE_ATTR_MOUNTPOINT, mountpoint) != 0)
1274 		goto out;
1275 
1276 	if (shared_fs && be_nvl_add_uint16(be_attrs, BE_ATTR_MOUNT_FLAGS,
1277 	    mount_flags) != 0)
1278 		goto out;
1279 
1280 	err = be_mount(be_attrs);
1281 
1282 	switch (err) {
1283 	case BE_SUCCESS:
1284 		(void) printf(_("Mounted successfully on: '%s'\n"), mountpoint);
1285 		break;
1286 	case BE_ERR_BE_NOENT:
1287 		(void) fprintf(stderr, _("%s does not exist or appear "
1288 		    "to be a valid BE.\nPlease check that the name of "
1289 		    "the BE provided is correct.\n"), obe_name);
1290 		break;
1291 	case BE_ERR_MOUNTED:
1292 		(void) fprintf(stderr, _("%s is already mounted.\n"
1293 		    "Please unmount the BE before mounting it again.\n"),
1294 		    obe_name);
1295 		break;
1296 	case BE_ERR_PERM:
1297 	case BE_ERR_ACCESS:
1298 		(void) fprintf(stderr, _("Unable to mount %s.\n"), obe_name);
1299 		(void) fprintf(stderr, _("You have insufficient privileges to "
1300 		    "execute this command.\n"));
1301 		break;
1302 	case BE_ERR_NO_MOUNTED_ZONE:
1303 		(void) fprintf(stderr, _("Mounted on '%s'.\nUnable to mount "
1304 		    "one of %s's zone BE's.\n"), mountpoint, obe_name);
1305 		break;
1306 	default:
1307 		(void) fprintf(stderr, _("Unable to mount %s.\n"), obe_name);
1308 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1309 	}
1310 
1311 out:
1312 	if (tmp_mp != NULL)
1313 		free(tmp_mp);
1314 	nvlist_free(be_attrs);
1315 	return (err);
1316 }
1317 
1318 static int
1319 be_do_unmount(int argc, char **argv)
1320 {
1321 	nvlist_t	*be_attrs;
1322 	char		*obe_name;
1323 	int		err = 1;
1324 	int		c;
1325 	int		unmount_flags = 0;
1326 
1327 	while ((c = getopt(argc, argv, "fv")) != -1) {
1328 		switch (c) {
1329 		case 'f':
1330 			unmount_flags |= BE_UNMOUNT_FLAG_FORCE;
1331 			break;
1332 		case 'v':
1333 			libbe_print_errors(B_TRUE);
1334 			break;
1335 		default:
1336 			usage();
1337 			return (1);
1338 		}
1339 	}
1340 
1341 	argc -= optind;
1342 	argv += optind;
1343 
1344 	if (argc != 1) {
1345 		usage();
1346 		return (1);
1347 	}
1348 
1349 	obe_name = argv[0];
1350 
1351 	if (be_nvl_alloc(&be_attrs) != 0)
1352 		return (1);
1353 
1354 
1355 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1356 		goto out;
1357 
1358 	if (be_nvl_add_uint16(be_attrs, BE_ATTR_UNMOUNT_FLAGS,
1359 	    unmount_flags) != 0)
1360 		goto out;
1361 
1362 	err = be_unmount(be_attrs);
1363 
1364 	switch (err) {
1365 	case BE_SUCCESS:
1366 		(void) printf(_("Unmounted successfully\n"));
1367 		break;
1368 	case BE_ERR_BE_NOENT:
1369 		(void) fprintf(stderr, _("%s does not exist or appear "
1370 		    "to be a valid BE.\nPlease check that the name of "
1371 		    "the BE provided is correct.\n"), obe_name);
1372 		break;
1373 	case BE_ERR_UMOUNT_CURR_BE:
1374 		(void) fprintf(stderr, _("%s is the currently active BE.\n"
1375 		    "It cannot be unmounted unless another BE is the "
1376 		    "currently active BE.\n"), obe_name);
1377 		break;
1378 	case BE_ERR_UMOUNT_SHARED:
1379 		(void) fprintf(stderr, _("%s is a shared file system and it "
1380 		    "cannot be unmounted.\n"), obe_name);
1381 		break;
1382 	case BE_ERR_PERM:
1383 	case BE_ERR_ACCESS:
1384 		(void) fprintf(stderr, _("Unable to unmount %s.\n"), obe_name);
1385 		(void) fprintf(stderr, _("You have insufficient privileges to "
1386 		    "execute this command.\n"));
1387 		break;
1388 	default:
1389 		(void) fprintf(stderr, _("Unable to unmount %s.\n"), obe_name);
1390 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1391 	}
1392 
1393 out:
1394 	nvlist_free(be_attrs);
1395 	return (err);
1396 }
1397 
1398 static int
1399 be_do_rename(int argc, char **argv)
1400 {
1401 	nvlist_t	*be_attrs;
1402 	char		*obe_name;
1403 	char		*nbe_name;
1404 	int err = 1;
1405 	int c;
1406 
1407 	while ((c = getopt(argc, argv, "v")) != -1) {
1408 		switch (c) {
1409 		case 'v':
1410 			libbe_print_errors(B_TRUE);
1411 			break;
1412 		default:
1413 			usage();
1414 			return (1);
1415 		}
1416 	}
1417 
1418 	argc -= optind;
1419 	argv += optind;
1420 
1421 	if (argc != 2) {
1422 		usage();
1423 		return (1);
1424 	}
1425 
1426 	obe_name = argv[0];
1427 	nbe_name = argv[1];
1428 
1429 	if (be_nvl_alloc(&be_attrs) != 0)
1430 		return (1);
1431 
1432 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1433 		goto out;
1434 
1435 	if (be_nvl_add_string(be_attrs, BE_ATTR_NEW_BE_NAME, nbe_name) != 0)
1436 		goto out;
1437 
1438 	err = be_rename(be_attrs);
1439 
1440 	switch (err) {
1441 	case BE_SUCCESS:
1442 		(void) printf(_("Renamed successfully\n"));
1443 		break;
1444 	case BE_ERR_BE_NOENT:
1445 		(void) fprintf(stderr, _("%s does not exist or appear "
1446 		    "to be a valid BE.\nPlease check that the name of "
1447 		    "the BE provided is correct.\n"), obe_name);
1448 		break;
1449 	case BE_ERR_PERM:
1450 	case BE_ERR_ACCESS:
1451 		(void) fprintf(stderr, _("Rename of BE %s failed.\n"),
1452 		    obe_name);
1453 		(void) fprintf(stderr, _("You have insufficient privileges to "
1454 		    "execute this command.\n"));
1455 		break;
1456 	default:
1457 		(void) fprintf(stderr, _("Rename of BE %s failed.\n"),
1458 		    obe_name);
1459 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1460 	}
1461 
1462 out:
1463 	nvlist_free(be_attrs);
1464 	return (err);
1465 }
1466 
1467 static int
1468 be_do_rollback(int argc, char **argv)
1469 {
1470 	nvlist_t	*be_attrs;
1471 	char		*obe_name;
1472 	char		*snap_name;
1473 	int		err = 1;
1474 	int		c;
1475 
1476 	while ((c = getopt(argc, argv, "v")) != -1) {
1477 		switch (c) {
1478 		case 'v':
1479 			libbe_print_errors(B_TRUE);
1480 			break;
1481 		default:
1482 			usage();
1483 			return (1);
1484 		}
1485 	}
1486 
1487 	argc -= optind;
1488 	argv += optind;
1489 
1490 	if (argc < 1 || argc > 2) {
1491 		usage();
1492 		return (1);
1493 	}
1494 
1495 	obe_name = argv[0];
1496 	if (argc == 2)
1497 		snap_name = argv[1];
1498 	else { /* argc == 1 */
1499 		if ((snap_name = strrchr(obe_name, '@')) != NULL) {
1500 			if (snap_name[1] == '\0') {
1501 				usage();
1502 				return (1);
1503 			}
1504 
1505 			snap_name[0] = '\0';
1506 			snap_name++;
1507 		} else {
1508 			usage();
1509 			return (1);
1510 		}
1511 	}
1512 
1513 	if (be_nvl_alloc(&be_attrs) != 0)
1514 		return (1);
1515 
1516 	if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1517 		goto out;
1518 
1519 	if (be_nvl_add_string(be_attrs, BE_ATTR_SNAP_NAME, snap_name) != 0)
1520 		goto out;
1521 
1522 	err = be_rollback(be_attrs);
1523 
1524 	switch (err) {
1525 	case BE_SUCCESS:
1526 		(void) printf(_("Rolled back successfully\n"));
1527 		break;
1528 	case BE_ERR_BE_NOENT:
1529 		(void) fprintf(stderr, _("%s does not exist or appear "
1530 		    "to be a valid BE.\nPlease check that the name of "
1531 		    "the BE provided is correct.\n"), obe_name);
1532 		break;
1533 	case BE_ERR_SS_NOENT:
1534 		(void) fprintf(stderr, _("%s does not exist or appear "
1535 		    "to be a valid snapshot.\nPlease check that the name of "
1536 		    "the snapshot provided is correct.\n"), snap_name);
1537 		break;
1538 	case BE_ERR_PERM:
1539 	case BE_ERR_ACCESS:
1540 		(void) fprintf(stderr, _("Rollback of BE %s snapshot %s "
1541 		    "failed.\n"), obe_name, snap_name);
1542 		(void) fprintf(stderr, _("You have insufficient privileges to "
1543 		    "execute this command.\n"));
1544 		break;
1545 	default:
1546 		(void) fprintf(stderr, _("Rollback of BE %s snapshot %s "
1547 		    "failed.\n"), obe_name, snap_name);
1548 		(void) fprintf(stderr, "%s\n", be_err_to_str(err));
1549 	}
1550 
1551 out:
1552 	nvlist_free(be_attrs);
1553 	return (err);
1554 }
1555