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7857 zfs/zpool commands print scary errors after 7741
[unleashed.git] / usr / src / cmd / beadm / beadm.c
blob00073ae717db303cd10bb57376e25520ba2746a8
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 */
29
30 /*
31 * System includes
32 */
33
34 #include <assert.h>
35 #include <stdio.h>
36 #include <strings.h>
37 #include <libzfs.h>
38 #include <locale.h>
39 #include <langinfo.h>
40 #include <stdlib.h>
41 #include <wchar.h>
42 #include <sys/types.h>
43
44 #include "libbe.h"
45
46 #ifndef lint
47 #define _(x) gettext(x)
48 #else
49 #define _(x) (x)
50 #endif
51
52 #ifndef TEXT_DOMAIN
53 #define TEXT_DOMAIN "SYS_TEST"
54 #endif
55
56 #define DT_BUF_LEN (128)
57 #define NUM_COLS (6)
58
59 static int be_do_activate(int argc, char **argv);
60 static int be_do_create(int argc, char **argv);
61 static int be_do_destroy(int argc, char **argv);
62 static int be_do_list(int argc, char **argv);
63 static int be_do_mount(int argc, char **argv);
64 static int be_do_unmount(int argc, char **argv);
65 static int be_do_rename(int argc, char **argv);
66 static int be_do_rollback(int argc, char **argv);
67 static void usage(void);
68
69 /*
70 * single column name/width output format description
71 */
72 struct col_info {
73 const char *col_name;
74 size_t width;
75 };
76
77 /*
78 * all columns output format
79 */
80 struct hdr_info {
81 struct col_info cols[NUM_COLS];
82 };
83
84 /*
85 * type of possible output formats
86 */
87 enum be_fmt {
88 BE_FMT_DEFAULT,
89 BE_FMT_DATASET,
90 BE_FMT_SNAPSHOT,
91 BE_FMT_ALL
92 };
93
94 /*
95 * command handler description
96 */
97 typedef struct be_command {
98 const char *name;
99 int (*func)(int argc, char **argv);
100 } be_command_t;
101
102 /*
103 * sorted list of be commands
104 */
105 static const be_command_t be_command_tbl[] = {
106 { "activate", be_do_activate },
107 { "create", be_do_create },
108 { "destroy", be_do_destroy },
109 { "list", be_do_list },
110 { "mount", be_do_mount },
111 { "unmount", be_do_unmount },
112 { "umount", be_do_unmount }, /* unmount alias */
113 { "rename", be_do_rename },
114 { "rollback", be_do_rollback },
115 { NULL, NULL },
116 };
117
118 static void
119 usage(void)
120 {
121 (void) fprintf(stderr, _("usage:\n"
122 "\tbeadm subcommand cmd_options\n"
123 "\n"
124 "\tsubcommands:\n"
125 "\n"
126 "\tbeadm activate [-v] beName\n"
127 "\tbeadm create [-a] [-d BE_desc]\n"
128 "\t\t[-o property=value] ... [-p zpool] \n"
129 "\t\t[-e nonActiveBe | beName@snapshot] [-v] beName\n"
130 "\tbeadm create [-d BE_desc]\n"
131 "\t\t[-o property=value] ... [-p zpool] [-v] beName@snapshot\n"
132 "\tbeadm destroy [-Ffsv] beName \n"
133 "\tbeadm destroy [-Fv] beName@snapshot \n"
134 "\tbeadm list [[-a] | [-d] [-s]] [-H]\n"
135 "\t\t[-k|-K date | name | space] [-v] [beName]\n"
136 "\tbeadm mount [-s ro|rw] [-v] beName [mountpoint]\n"
137 "\tbeadm unmount [-fv] beName | mountpoint\n"
138 "\tbeadm umount [-fv] beName | mountpoint\n"
139 "\tbeadm rename [-v] origBeName newBeName\n"
140 "\tbeadm rollback [-v] beName snapshot\n"
141 "\tbeadm rollback [-v] beName@snapshot\n"));
142 }
143
144 static int
145 run_be_cmd(const char *cmdname, int argc, char **argv)
146 {
147 const be_command_t *command;
148
149 for (command = &be_command_tbl[0]; command->name != NULL; command++)
150 if (strcmp(command->name, cmdname) == 0)
151 return (command->func(argc, argv));
152
153 (void) fprintf(stderr, _("Invalid command: %s\n"), cmdname);
154 usage();
155 return (1);
156 }
157
158 int
159 main(int argc, char **argv)
160 {
161 const char *cmdname;
162
163 (void) setlocale(LC_ALL, "");
164 (void) textdomain(TEXT_DOMAIN);
165
166 if (argc < 2) {
167 usage();
168 return (1);
169 }
170
171 cmdname = argv[1];
172
173 /* Turn error printing off */
174 libbe_print_errors(B_FALSE);
175
176 return (run_be_cmd(cmdname, --argc, ++argv));
177 }
178
179 static void
180 print_hdr(struct hdr_info *hdr_info)
181 {
182 boolean_t first = B_TRUE;
183 size_t i;
184 for (i = 0; i < NUM_COLS; i++) {
185 struct col_info *col_info = &hdr_info->cols[i];
186 const char *name = col_info->col_name;
187 size_t width = col_info->width;
188 if (name == NULL)
189 continue;
190
191 if (first) {
192 (void) printf("%-*s", width, name);
193 first = B_FALSE;
194 } else
195 (void) printf(" %-*s", width, name);
196 }
197 (void) putchar('\n');
198 }
199
200 static void
201 init_hdr_cols(enum be_fmt be_fmt, struct hdr_info *hdr)
202 {
203 struct col_info *col = hdr->cols;
204 size_t i;
205
206 col[1].col_name = _("Active");
207 col[2].col_name = _("Mountpoint");
208 col[3].col_name = _("Space");
209 col[4].col_name = _("Policy");
210 col[5].col_name = _("Created");
211 col[6].col_name = NULL;
212
213 switch (be_fmt) {
214 case BE_FMT_ALL:
215 col[0].col_name = _("BE/Dataset/Snapshot");
216 break;
217 case BE_FMT_DATASET:
218 col[0].col_name = _("BE/Dataset");
219 break;
220 case BE_FMT_SNAPSHOT:
221 col[0].col_name = _("BE/Snapshot");
222 col[1].col_name = NULL;
223 col[2].col_name = NULL;
224 break;
225 case BE_FMT_DEFAULT:
226 default:
227 col[0].col_name = _("BE");
228 }
229
230 for (i = 0; i < NUM_COLS; i++) {
231 const char *name = col[i].col_name;
232 col[i].width = 0;
233
234 if (name != NULL) {
235 wchar_t wname[128];
236 size_t sz = mbstowcs(wname, name, sizeof (wname) /
237 sizeof (wchar_t));
238 if (sz > 0) {
239 int wcsw = wcswidth(wname, sz);
240 if (wcsw > 0)
241 col[i].width = wcsw;
242 else
243 col[i].width = sz;
244 } else {
245 col[i].width = strlen(name);
246 }
247 }
248 }
249 }
250
251 static void
252 nicenum(uint64_t num, char *buf, size_t buflen)
253 {
254 uint64_t n = num;
255 int index = 0;
256 char u;
257
258 while (n >= 1024) {
259 n /= 1024;
260 index++;
261 }
262
263 u = " KMGTPE"[index];
264
265 if (index == 0) {
266 (void) snprintf(buf, buflen, "%llu", n);
267 } else {
268 int i;
269 for (i = 2; i >= 0; i--) {
270 if (snprintf(buf, buflen, "%.*f%c", i,
271 (double)num / (1ULL << 10 * index), u) <= 5)
272 break;
273 }
274 }
275 }
276
277 static void
278 count_widths(enum be_fmt be_fmt, struct hdr_info *hdr, be_node_list_t *be_nodes)
279 {
280 size_t len[NUM_COLS];
281 char buf[DT_BUF_LEN];
282 int i;
283 be_node_list_t *cur_be;
284
285 for (i = 0; i < NUM_COLS; i++)
286 len[i] = hdr->cols[i].width;
287
288 for (cur_be = be_nodes; cur_be != NULL; cur_be = cur_be->be_next_node) {
289 char name[ZFS_MAX_DATASET_NAME_LEN + 1];
290 const char *be_name = cur_be->be_node_name;
291 const char *root_ds = cur_be->be_root_ds;
292 char *pos;
293 size_t node_name_len = strlen(cur_be->be_node_name);
294 size_t root_ds_len = strlen(cur_be->be_root_ds);
295 size_t mntpt_len = 0;
296 size_t policy_len = 0;
297 size_t used_len;
298 uint64_t used = cur_be->be_space_used;
299 be_snapshot_list_t *snap = NULL;
300
301 if (cur_be->be_mntpt != NULL)
302 mntpt_len = strlen(cur_be->be_mntpt);
303 if (cur_be->be_policy_type != NULL)
304 policy_len = strlen(cur_be->be_policy_type);
305
306 (void) strlcpy(name, root_ds, sizeof (name));
307 pos = strstr(name, be_name);
308
309 if (be_fmt == BE_FMT_DEFAULT) {
310 if (node_name_len > len[0])
311 len[0] = node_name_len;
312 } else {
313 if (root_ds_len + 3 > len[0])
314 len[0] = root_ds_len + 3;
315 }
316
317 if (mntpt_len > len[2])
318 len[2] = mntpt_len;
319 if (policy_len > len[4])
320 len[4] = policy_len;
321
322 for (snap = cur_be->be_node_snapshots; snap != NULL;
323 snap = snap->be_next_snapshot) {
324 uint64_t snap_used = snap->be_snapshot_space_used;
325 const char *snap_name = snap->be_snapshot_name;
326 (void) strcpy(pos, snap_name);
327
328 if (be_fmt == BE_FMT_DEFAULT)
329 used += snap_used;
330 else if (be_fmt & BE_FMT_SNAPSHOT) {
331 int snap_len = strlen(name) + 3;
332 if (be_fmt == BE_FMT_SNAPSHOT)
333 snap_len -= pos - name;
334 if (snap_len > len[0])
335 len[0] = snap_len;
336 nicenum(snap_used, buf, sizeof (buf));
337 used_len = strlen(buf);
338 if (used_len > len[3])
339 len[3] = used_len;
340 }
341 }
342
343 if (be_fmt == BE_FMT_DEFAULT) {
344 int used_len;
345 nicenum(used, buf, sizeof (buf));
346 used_len = strlen(buf);
347 if (used_len > len[3])
348 len[3] = used_len;
349 }
350
351 nicenum(used, buf, sizeof (buf));
352 }
353
354 for (i = 0; i < NUM_COLS; i++)
355 hdr->cols[i].width = len[i];
356 }
357
358 static void
359 print_be_nodes(const char *be_name, boolean_t parsable, struct hdr_info *hdr,
360 be_node_list_t *nodes)
361 {
362 char buf[64];
363 char datetime[DT_BUF_LEN];
364 be_node_list_t *cur_be;
365
366 for (cur_be = nodes; cur_be != NULL; cur_be = cur_be->be_next_node) {
367 char active[3] = "-\0";
368 int ai = 0;
369 const char *datetime_fmt = "%F %R";
370 const char *name = cur_be->be_node_name;
371 const char *mntpt = cur_be->be_mntpt;
372 const char *uuid_str = cur_be->be_uuid_str;
373 be_snapshot_list_t *snap = NULL;
374 uint64_t used = cur_be->be_space_used;
375 time_t creation = cur_be->be_node_creation;
376 struct tm *tm;
377
378 if (be_name != NULL && strcmp(be_name, name) != 0)
379 continue;
380
381 if (parsable)
382 active[0] = '\0';
383
384 tm = localtime(&creation);
385 (void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
386
387 for (snap = cur_be->be_node_snapshots; snap != NULL;
388 snap = snap->be_next_snapshot)
389 used += snap->be_snapshot_space_used;
390
391 if (!cur_be->be_global_active)
392 active[ai++] = 'x';
393
394 if (cur_be->be_active)
395 active[ai++] = 'N';
396 if (cur_be->be_active_on_boot) {
397 if (!cur_be->be_global_active)
398 active[ai] = 'b';
399 else
400 active[ai] = 'R';
401 }
402
403 nicenum(used, buf, sizeof (buf));
404 if (parsable)
405 (void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
406 name,
407 (uuid_str != NULL ? uuid_str: ""),
408 active,
409 (cur_be->be_mounted ? mntpt: ""),
410 used,
411 cur_be->be_policy_type,
412 creation);
413 else
414 (void) printf("%-*s %-*s %-*s %-*s %-*s %-*s\n",
415 hdr->cols[0].width, name,
416 hdr->cols[1].width, active,
417 hdr->cols[2].width, (cur_be->be_mounted ? mntpt:
418 "-"),
419 hdr->cols[3].width, buf,
420 hdr->cols[4].width, cur_be->be_policy_type,
421 hdr->cols[5].width, datetime);
422 }
423 }
424
425 static void
426 print_be_snapshots(be_node_list_t *be, struct hdr_info *hdr, boolean_t parsable)
427 {
428 char buf[64];
429 char datetime[DT_BUF_LEN];
430 be_snapshot_list_t *snap = NULL;
431
432 for (snap = be->be_node_snapshots; snap != NULL;
433 snap = snap->be_next_snapshot) {
434 char name[ZFS_MAX_DATASET_NAME_LEN + 1];
435 const char *datetime_fmt = "%F %R";
436 const char *be_name = be->be_node_name;
437 const char *root_ds = be->be_root_ds;
438 const char *snap_name = snap->be_snapshot_name;
439 char *pos;
440 uint64_t used = snap->be_snapshot_space_used;
441 time_t creation = snap->be_snapshot_creation;
442 struct tm *tm = localtime(&creation);
443
444 (void) strncpy(name, root_ds, sizeof (name));
445 pos = strstr(name, be_name);
446 (void) strcpy(pos, snap_name);
447
448 (void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
449 nicenum(used, buf, sizeof (buf));
450
451 if (parsable)
452 if (hdr->cols[1].width != 0)
453 (void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
454 be_name,
455 snap_name,
456 "",
457 "",
458 used,
459 be->be_policy_type,
460 creation);
461 else
462 (void) printf("%s;%s;%llu;%s;%ld\n",
463 be_name,
464 snap_name,
465 used,
466 be->be_policy_type,
467 creation);
468 else
469 if (hdr->cols[1].width != 0)
470 (void) printf(" %-*s %-*s %-*s %-*s %-*s "
471 "%-*s\n",
472 hdr->cols[0].width-3, name,
473 hdr->cols[1].width, "-",
474 hdr->cols[2].width, "-",
475 hdr->cols[3].width, buf,
476 hdr->cols[4].width, be->be_policy_type,
477 hdr->cols[5].width, datetime);
478 else
479 (void) printf(" %-*s %-*s %-*s %-*s\n",
480 hdr->cols[0].width-3, snap_name,
481 hdr->cols[3].width, buf,
482 hdr->cols[4].width, be->be_policy_type,
483 hdr->cols[5].width, datetime);
484 }
485 }
486
487 static void
488 print_fmt_nodes(const char *be_name, enum be_fmt be_fmt, boolean_t parsable,
489 struct hdr_info *hdr, be_node_list_t *nodes)
490 {
491 char buf[64];
492 char datetime[DT_BUF_LEN];
493 be_node_list_t *cur_be;
494
495 for (cur_be = nodes; cur_be != NULL; cur_be = cur_be->be_next_node) {
496 char active[3] = "-\0";
497 int ai = 0;
498 const char *datetime_fmt = "%F %R";
499 const char *name = cur_be->be_node_name;
500 const char *mntpt = cur_be->be_mntpt;
501 uint64_t used = cur_be->be_space_used;
502 time_t creation = cur_be->be_node_creation;
503 struct tm *tm;
504
505 if (be_name != NULL && strcmp(be_name, name) != 0)
506 continue;
507
508 if (!parsable)
509 (void) printf("%-s\n", name);
510 else
511 active[0] = '\0';
512
513 tm = localtime(&creation);
514 (void) strftime(datetime, DT_BUF_LEN, datetime_fmt, tm);
515
516 if (cur_be->be_active)
517 active[ai++] = 'N';
518 if (cur_be->be_active_on_boot)
519 active[ai] = 'R';
520
521 nicenum(used, buf, sizeof (buf));
522 if (be_fmt & BE_FMT_DATASET)
523 if (parsable)
524 (void) printf("%s;%s;%s;%s;%llu;%s;%ld\n",
525 cur_be->be_node_name,
526 cur_be->be_root_ds,
527 active,
528 (cur_be->be_mounted ? mntpt: ""),
529 used,
530 cur_be->be_policy_type,
531 creation);
532 else
533 (void) printf(" %-*s %-*s %-*s %-*s %-*s "
534 "%-*s\n",
535 hdr->cols[0].width-3, cur_be->be_root_ds,
536 hdr->cols[1].width, active,
537 hdr->cols[2].width, (cur_be->be_mounted ?
538 mntpt: "-"),
539 hdr->cols[3].width, buf,
540 hdr->cols[4].width, cur_be->be_policy_type,
541 hdr->cols[5].width, datetime);
542
543 if (be_fmt & BE_FMT_SNAPSHOT)
544 print_be_snapshots(cur_be, hdr, parsable);
545 }
546 }
547
548 static void
549 print_nodes(const char *be_name, boolean_t dsets, boolean_t snaps,
550 boolean_t parsable, be_node_list_t *be_nodes)
551 {
552 struct hdr_info hdr;
553 enum be_fmt be_fmt = BE_FMT_DEFAULT;
554
555 if (dsets)
556 be_fmt |= BE_FMT_DATASET;
557 if (snaps)
558 be_fmt |= BE_FMT_SNAPSHOT;
559
560 if (!parsable) {
561 init_hdr_cols(be_fmt, &hdr);
562 count_widths(be_fmt, &hdr, be_nodes);
563 print_hdr(&hdr);
564 }
565
566 if (be_fmt == BE_FMT_DEFAULT)
567 print_be_nodes(be_name, parsable, &hdr, be_nodes);
568 else
569 print_fmt_nodes(be_name, be_fmt, parsable, &hdr, be_nodes);
570 }
571
572 static boolean_t
573 confirm_destroy(const char *name)
574 {
575 boolean_t res = B_FALSE;
576 const char *yesre = nl_langinfo(YESEXPR);
577 const char *nore = nl_langinfo(NOEXPR);
578 regex_t yes_re;
579 regex_t no_re;
580 char buf[128];
581 char *answer;
582 int cflags = REG_EXTENDED;
583
584 if (regcomp(&yes_re, yesre, cflags) != 0) {
585 /* should not happen */
586 (void) fprintf(stderr, _("Failed to compile 'yes' regexp\n"));
587 return (res);
588 }
589 if (regcomp(&no_re, nore, cflags) != 0) {
590 /* should not happen */
591 (void) fprintf(stderr, _("Failed to compile 'no' regexp\n"));
592 regfree(&yes_re);
593 return (res);
594 }
595
596 (void) printf(_("Are you sure you want to destroy %s?\n"
597 "This action cannot be undone (y/[n]): "), name);
598
599 answer = fgets(buf, sizeof (buf), stdin);
600 if (answer == NULL || *answer == '\0' || *answer == 10)
601 goto out;
602
603 if (regexec(&yes_re, answer, 0, NULL, 0) == 0) {
604 res = B_TRUE;
605 } else if (regexec(&no_re, answer, 0, NULL, 0) != 0) {
606 (void) fprintf(stderr, _("Invalid response. "
607 "Please enter 'y' or 'n'.\n"));
608 }
609
610 out:
611 regfree(&yes_re);
612 regfree(&no_re);
613 return (res);
614 }
615
616 static int
617 be_nvl_alloc(nvlist_t **nvlp)
618 {
619 assert(nvlp != NULL);
620
621 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0) {
622 (void) perror(_("nvlist_alloc failed.\n"));
623 return (1);
624 }
625
626 return (0);
627 }
628
629 static int
630 be_nvl_add_string(nvlist_t *nvl, const char *name, const char *val)
631 {
632 assert(nvl != NULL);
633
634 if (nvlist_add_string(nvl, name, val) != 0) {
635 (void) fprintf(stderr, _("nvlist_add_string failed for "
636 "%s (%s).\n"), name, val);
637 return (1);
638 }
639
640 return (0);
641 }
642
643 static int
644 be_nvl_add_nvlist(nvlist_t *nvl, const char *name, nvlist_t *val)
645 {
646 assert(nvl != NULL);
647
648 if (nvlist_add_nvlist(nvl, name, val) != 0) {
649 (void) fprintf(stderr, _("nvlist_add_nvlist failed for %s.\n"),
650 name);
651 return (1);
652 }
653
654 return (0);
655 }
656
657 static int
658 be_nvl_add_uint16(nvlist_t *nvl, const char *name, uint16_t val)
659 {
660 assert(nvl != NULL);
661
662 if (nvlist_add_uint16(nvl, name, val) != 0) {
663 (void) fprintf(stderr, _("nvlist_add_uint16 failed for "
664 "%s (%hu).\n"), name, val);
665 return (1);
666 }
667
668 return (0);
669 }
670
671 static int
672 be_do_activate(int argc, char **argv)
673 {
674 nvlist_t *be_attrs;
675 int err = 1;
676 int c;
677 char *obe_name;
678
679 while ((c = getopt(argc, argv, "v")) != -1) {
680 switch (c) {
681 case 'v':
682 libbe_print_errors(B_TRUE);
683 break;
684 default:
685 usage();
686 return (1);
687 }
688 }
689
690 argc -= optind;
691 argv += optind;
692
693 if (argc != 1) {
694 usage();
695 return (1);
696 }
697
698 obe_name = argv[0];
699
700 if (be_nvl_alloc(&be_attrs) != 0)
701 return (1);
702
703 if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
704 goto out;
705
706 err = be_activate(be_attrs);
707
708 switch (err) {
709 case BE_SUCCESS:
710 (void) printf(_("Activated successfully\n"));
711 break;
712 case BE_ERR_BE_NOENT:
713 (void) fprintf(stderr, _("%s does not exist or appear "
714 "to be a valid BE.\nPlease check that the name of "
715 "the BE provided is correct.\n"), obe_name);
716 break;
717 case BE_ERR_PERM:
718 case BE_ERR_ACCESS:
719 (void) fprintf(stderr, _("Unable to activate %s.\n"), obe_name);
720 (void) fprintf(stderr, _("You have insufficient privileges to "
721 "execute this command.\n"));
722 break;
723 case BE_ERR_ACTIVATE_CURR:
724 default:
725 (void) fprintf(stderr, _("Unable to activate %s.\n"), obe_name);
726 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
727 }
728
729 out:
730 nvlist_free(be_attrs);
731 return (err);
732 }
733
734 static int
735 be_do_create(int argc, char **argv)
736 {
737 nvlist_t *be_attrs;
738 nvlist_t *zfs_props = NULL;
739 boolean_t activate = B_FALSE;
740 boolean_t is_snap = B_FALSE;
741 int c;
742 int err = 1;
743 char *obe_name = NULL;
744 char *snap_name = NULL;
745 char *nbe_zpool = NULL;
746 char *nbe_name = NULL;
747 char *nbe_desc = NULL;
748 char *propname = NULL;
749 char *propval = NULL;
750 char *strval = NULL;
751
752 while ((c = getopt(argc, argv, "ad:e:io:p:v")) != -1) {
753 switch (c) {
754 case 'a':
755 activate = B_TRUE;
756 break;
757 case 'd':
758 nbe_desc = optarg;
759 break;
760 case 'e':
761 obe_name = optarg;
762 break;
763 case 'o':
764 if (zfs_props == NULL && be_nvl_alloc(&zfs_props) != 0)
765 return (1);
766
767 propname = optarg;
768 if ((propval = strchr(propname, '=')) == NULL) {
769 (void) fprintf(stderr, _("missing "
770 "'=' for -o option\n"));
771 goto out2;
772 }
773 *propval = '\0';
774 propval++;
775 if (nvlist_lookup_string(zfs_props, propname,
776 &strval) == 0) {
777 (void) fprintf(stderr, _("property '%s' "
778 "specified multiple times\n"), propname);
779 goto out2;
780
781 }
782 if (be_nvl_add_string(zfs_props, propname, propval)
783 != 0)
784 goto out2;
785
786 break;
787 case 'p':
788 nbe_zpool = optarg;
789 break;
790 case 'v':
791 libbe_print_errors(B_TRUE);
792 break;
793 default:
794 usage();
795 goto out2;
796 }
797 }
798
799 argc -= optind;
800 argv += optind;
801
802 if (argc != 1) {
803 usage();
804 goto out2;
805 }
806
807 nbe_name = argv[0];
808
809 if ((snap_name = strrchr(nbe_name, '@')) != NULL) {
810 if (snap_name[1] == '\0') {
811 usage();
812 goto out2;
813 }
814
815 snap_name[0] = '\0';
816 snap_name++;
817 is_snap = B_TRUE;
818 }
819
820 if (obe_name) {
821 if (is_snap) {
822 usage();
823 goto out2;
824 }
825
826 /*
827 * Check if obe_name is really a snapshot name.
828 * If so, split it out.
829 */
830 if ((snap_name = strrchr(obe_name, '@')) != NULL) {
831 if (snap_name[1] == '\0') {
832 usage();
833 goto out2;
834 }
835
836 snap_name[0] = '\0';
837 snap_name++;
838 }
839 } else if (is_snap) {
840 obe_name = nbe_name;
841 nbe_name = NULL;
842 }
843
844 if (be_nvl_alloc(&be_attrs) != 0)
845 goto out2;
846
847
848 if (zfs_props != NULL && be_nvl_add_nvlist(be_attrs,
849 BE_ATTR_ORIG_BE_NAME, zfs_props) != 0)
850 goto out;
851
852 if (obe_name != NULL && be_nvl_add_string(be_attrs,
853 BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
854 goto out;
855
856 if (snap_name != NULL && be_nvl_add_string(be_attrs,
857 BE_ATTR_SNAP_NAME, snap_name) != 0)
858 goto out;
859
860 if (nbe_zpool != NULL && be_nvl_add_string(be_attrs,
861 BE_ATTR_NEW_BE_POOL, nbe_zpool) != 0)
862 goto out;
863
864 if (nbe_name != NULL && be_nvl_add_string(be_attrs,
865 BE_ATTR_NEW_BE_NAME, nbe_name) != 0)
866 goto out;
867
868 if (nbe_desc != NULL && be_nvl_add_string(be_attrs,
869 BE_ATTR_NEW_BE_DESC, nbe_desc) != 0)
870 goto out;
871
872 if (is_snap)
873 err = be_create_snapshot(be_attrs);
874 else
875 err = be_copy(be_attrs);
876
877 switch (err) {
878 case BE_SUCCESS:
879 if (!is_snap && !nbe_name) {
880 /*
881 * We requested an auto named BE; find out the
882 * name of the BE that was created for us and
883 * the auto snapshot created from the original BE.
884 */
885 if (nvlist_lookup_string(be_attrs, BE_ATTR_NEW_BE_NAME,
886 &nbe_name) != 0) {
887 (void) fprintf(stderr, _("failed to get %s "
888 "attribute\n"), BE_ATTR_NEW_BE_NAME);
889 break;
890 } else
891 (void) printf(_("Auto named BE: %s\n"),
892 nbe_name);
893
894 if (nvlist_lookup_string(be_attrs, BE_ATTR_SNAP_NAME,
895 &snap_name) != 0) {
896 (void) fprintf(stderr, _("failed to get %s "
897 "attribute\n"), BE_ATTR_SNAP_NAME);
898 break;
899 } else
900 (void) printf(_("Auto named snapshot: %s\n"),
901 snap_name);
902 }
903
904 if (!is_snap && activate) {
905 char *args[] = { "activate", "", NULL };
906 args[1] = nbe_name;
907 optind = 1;
908
909 err = be_do_activate(2, args);
910 goto out;
911 }
912
913 (void) printf(_("Created successfully\n"));
914 break;
915 case BE_ERR_BE_EXISTS:
916 (void) fprintf(stderr, _("BE %s already exists\n."
917 "Please choose a different BE name.\n"), nbe_name);
918 break;
919 case BE_ERR_SS_EXISTS:
920 (void) fprintf(stderr, _("BE %s snapshot %s already exists.\n"
921 "Please choose a different snapshot name.\n"), obe_name,
922 snap_name);
923 break;
924 case BE_ERR_PERM:
925 case BE_ERR_ACCESS:
926 if (is_snap)
927 (void) fprintf(stderr, _("Unable to create snapshot "
928 "%s.\n"), snap_name);
929 else
930 (void) fprintf(stderr, _("Unable to create %s.\n"),
931 nbe_name);
932 (void) fprintf(stderr, _("You have insufficient privileges to "
933 "execute this command.\n"));
934 break;
935 default:
936 if (is_snap)
937 (void) fprintf(stderr, _("Unable to create snapshot "
938 "%s.\n"), snap_name);
939 else
940 (void) fprintf(stderr, _("Unable to create %s.\n"),
941 nbe_name);
942 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
943 }
944
945 out:
946 nvlist_free(be_attrs);
947 out2:
948 nvlist_free(zfs_props);
949
950 return (err);
951 }
952
953 static int
954 be_do_destroy(int argc, char **argv)
955 {
956 nvlist_t *be_attrs;
957 boolean_t is_snap = B_FALSE;
958 boolean_t suppress_prompt = B_FALSE;
959 int err = 1;
960 int c;
961 int destroy_flags = 0;
962 char *snap_name;
963 char *be_name;
964
965 while ((c = getopt(argc, argv, "fFsv")) != -1) {
966 switch (c) {
967 case 'f':
968 destroy_flags |= BE_DESTROY_FLAG_FORCE_UNMOUNT;
969 break;
970 case 's':
971 destroy_flags |= BE_DESTROY_FLAG_SNAPSHOTS;
972 break;
973 case 'v':
974 libbe_print_errors(B_TRUE);
975 break;
976 case 'F':
977 suppress_prompt = B_TRUE;
978 break;
979 default:
980 usage();
981 return (1);
982 }
983 }
984
985 argc -= optind;
986 argv += optind;
987
988 if (argc != 1) {
989 usage();
990 return (1);
991 }
992
993 be_name = argv[0];
994 if (!suppress_prompt && !confirm_destroy(be_name)) {
995 (void) printf(_("%s has not been destroyed.\n"), be_name);
996 return (0);
997 }
998
999 if ((snap_name = strrchr(be_name, '@')) != NULL) {
1000 if (snap_name[1] == '\0') {
1001 usage();
1002 return (1);
1003 }
1004
1005 is_snap = B_TRUE;
1006 *snap_name = '\0';
1007 snap_name++;
1008 }
1009
1010 if (be_nvl_alloc(&be_attrs) != 0)
1011 return (1);
1012
1013
1014 if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, be_name) != 0)
1015 goto out;
1016
1017 if (is_snap) {
1018 if (be_nvl_add_string(be_attrs, BE_ATTR_SNAP_NAME,
1019 snap_name) != 0)
1020 goto out;
1021
1022 err = be_destroy_snapshot(be_attrs);
1023 } else {
1024 if (be_nvl_add_uint16(be_attrs, BE_ATTR_DESTROY_FLAGS,
1025 destroy_flags) != 0)
1026 goto out;
1027
1028 err = be_destroy(be_attrs);
1029 }
1030
1031 switch (err) {
1032 case BE_SUCCESS:
1033 (void) printf(_("Destroyed successfully\n"));
1034 break;
1035 case BE_ERR_MOUNTED:
1036 (void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1037 (void) fprintf(stderr, _("It is currently mounted and must be "
1038 "unmounted before it can be destroyed.\n" "Use 'beadm "
1039 "unmount %s' to unmount the BE before destroying\nit or "
1040 "'beadm destroy -f %s'.\n"), be_name, be_name);
1041 break;
1042 case BE_ERR_DESTROY_CURR_BE:
1043 (void) fprintf(stderr, _("%s is the currently active BE and "
1044 "cannot be destroyed.\nYou must boot from another BE in "
1045 "order to destroy %s.\n"), be_name, be_name);
1046 break;
1047 case BE_ERR_ZONES_UNMOUNT:
1048 (void) fprintf(stderr, _("Unable to destroy one of " "%s's "
1049 "zone BE's.\nUse 'beadm destroy -f %s' or "
1050 "'zfs -f destroy <dataset>'.\n"), be_name, be_name);
1051 break;
1052 case BE_ERR_SS_NOENT:
1053 (void) fprintf(stderr, _("%s does not exist or appear "
1054 "to be a valid snapshot.\nPlease check that the name of "
1055 "the snapshot provided is correct.\n"), snap_name);
1056 break;
1057 case BE_ERR_PERM:
1058 case BE_ERR_ACCESS:
1059 (void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1060 (void) fprintf(stderr, _("You have insufficient privileges to "
1061 "execute this command.\n"));
1062 break;
1063 case BE_ERR_SS_EXISTS:
1064 (void) fprintf(stderr, _("Unable to destroy %s: "
1065 "BE has snapshots.\nUse 'beadm destroy -s %s' or "
1066 "'zfs -r destroy <dataset>'.\n"), be_name, be_name);
1067 break;
1068 default:
1069 (void) fprintf(stderr, _("Unable to destroy %s.\n"), be_name);
1070 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
1071 }
1072
1073 out:
1074 nvlist_free(be_attrs);
1075 return (err);
1076 }
1077
1078 static int
1079 be_do_list(int argc, char **argv)
1080 {
1081 be_node_list_t *be_nodes = NULL;
1082 boolean_t all = B_FALSE;
1083 boolean_t dsets = B_FALSE;
1084 boolean_t snaps = B_FALSE;
1085 boolean_t parsable = B_FALSE;
1086 int err = 1;
1087 int c = 0;
1088 char *be_name = NULL;
1089 be_sort_t order = BE_SORT_UNSPECIFIED;
1090
1091 while ((c = getopt(argc, argv, "adk:svHK:")) != -1) {
1092 switch (c) {
1093 case 'a':
1094 all = B_TRUE;
1095 break;
1096 case 'd':
1097 dsets = B_TRUE;
1098 break;
1099 case 'k':
1100 case 'K':
1101 if (order != BE_SORT_UNSPECIFIED) {
1102 (void) fprintf(stderr, _("Sort key can be "
1103 "specified only once.\n"));
1104 usage();
1105 return (1);
1106 }
1107 if (strcmp(optarg, "date") == 0) {
1108 if (c == 'k')
1109 order = BE_SORT_DATE;
1110 else
1111 order = BE_SORT_DATE_REV;
1112 break;
1113 }
1114 if (strcmp(optarg, "name") == 0) {
1115 if (c == 'k')
1116 order = BE_SORT_NAME;
1117 else
1118 order = BE_SORT_NAME_REV;
1119 break;
1120 }
1121 if (strcmp(optarg, "space") == 0) {
1122 if (c == 'k')
1123 order = BE_SORT_SPACE;
1124 else
1125 order = BE_SORT_SPACE_REV;
1126 break;
1127 }
1128 (void) fprintf(stderr, _("Unknown sort key: %s\n"),
1129 optarg);
1130 usage();
1131 return (1);
1132 case 's':
1133 snaps = B_TRUE;
1134 break;
1135 case 'v':
1136 libbe_print_errors(B_TRUE);
1137 break;
1138 case 'H':
1139 parsable = B_TRUE;
1140 break;
1141 default:
1142 usage();
1143 return (1);
1144 }
1145 }
1146
1147 if (all) {
1148 if (dsets) {
1149 (void) fprintf(stderr, _("Invalid options: -a and %s "
1150 "are mutually exclusive.\n"), "-d");
1151 usage();
1152 return (1);
1153 }
1154 if (snaps) {
1155 (void) fprintf(stderr, _("Invalid options: -a and %s "
1156 "are mutually exclusive.\n"), "-s");
1157 usage();
1158 return (1);
1159 }
1160
1161 dsets = B_TRUE;
1162 snaps = B_TRUE;
1163 }
1164
1165 argc -= optind;
1166 argv += optind;
1167
1168
1169 if (argc == 1)
1170 be_name = argv[0];
1171
1172 err = be_list(be_name, &be_nodes);
1173
1174 switch (err) {
1175 case BE_SUCCESS:
1176 /* the default sort is ascending date, no need to sort twice */
1177 if (order == BE_SORT_UNSPECIFIED)
1178 order = BE_SORT_DATE;
1179
1180 if (order != BE_SORT_DATE) {
1181 err = be_sort(&be_nodes, order);
1182 if (err != BE_SUCCESS) {
1183 (void) fprintf(stderr, _("Unable to sort Boot "
1184 "Environment\n"));
1185 (void) fprintf(stderr, "%s\n",
1186 be_err_to_str(err));
1187 break;
1188 }
1189 }
1190
1191 print_nodes(be_name, dsets, snaps, parsable, be_nodes);
1192 break;
1193 case BE_ERR_BE_NOENT:
1194 if (be_name == NULL)
1195 (void) fprintf(stderr, _("No boot environments found "
1196 "on this system.\n"));
1197 else {
1198 (void) fprintf(stderr, _("%s does not exist or appear "
1199 "to be a valid BE.\nPlease check that the name of "
1200 "the BE provided is correct.\n"), be_name);
1201 }
1202 break;
1203 default:
1204 (void) fprintf(stderr, _("Unable to display Boot "
1205 "Environment\n"));
1206 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
1207 }
1208
1209 if (be_nodes != NULL)
1210 be_free_list(be_nodes);
1211 return (err);
1212 }
1213
1214 static int
1215 be_do_mount(int argc, char **argv)
1216 {
1217 nvlist_t *be_attrs;
1218 boolean_t shared_fs = B_FALSE;
1219 int err = 1;
1220 int c;
1221 int mount_flags = 0;
1222 char *obe_name;
1223 char *mountpoint;
1224 char *tmp_mp = NULL;
1225
1226 while ((c = getopt(argc, argv, "s:v")) != -1) {
1227 switch (c) {
1228 case 's':
1229 shared_fs = B_TRUE;
1230
1231 mount_flags |= BE_MOUNT_FLAG_SHARED_FS;
1232
1233 if (strcmp(optarg, "rw") == 0) {
1234 mount_flags |= BE_MOUNT_FLAG_SHARED_RW;
1235 } else if (strcmp(optarg, "ro") != 0) {
1236 (void) fprintf(stderr, _("The -s flag "
1237 "requires an argument [ rw | ro ]\n"));
1238 usage();
1239 return (1);
1240 }
1241
1242 break;
1243 case 'v':
1244 libbe_print_errors(B_TRUE);
1245 break;
1246 default:
1247 usage();
1248 return (1);
1249 }
1250 }
1251
1252 argc -= optind;
1253 argv += optind;
1254
1255 if (argc < 1 || argc > 2) {
1256 usage();
1257 return (1);
1258 }
1259
1260 obe_name = argv[0];
1261
1262 if (argc == 2) {
1263 mountpoint = argv[1];
1264 if (mountpoint[0] != '/') {
1265 (void) fprintf(stderr, _("Invalid mount point %s. "
1266 "Mount point must start with a /.\n"), mountpoint);
1267 return (1);
1268 }
1269 } else {
1270 const char *tmpdir = getenv("TMPDIR");
1271 const char *tmpname = "tmp.XXXXXX";
1272 int sz;
1273
1274 if (tmpdir == NULL)
1275 tmpdir = "/tmp";
1276
1277 sz = asprintf(&tmp_mp, "%s/%s", tmpdir, tmpname);
1278 if (sz < 0) {
1279 (void) fprintf(stderr, _("internal error: "
1280 "out of memory\n"));
1281 return (1);
1282 }
1283
1284 mountpoint = mkdtemp(tmp_mp);
1285 }
1286
1287 if (be_nvl_alloc(&be_attrs) != 0)
1288 return (1);
1289
1290 if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1291 goto out;
1292
1293 if (be_nvl_add_string(be_attrs, BE_ATTR_MOUNTPOINT, mountpoint) != 0)
1294 goto out;
1295
1296 if (shared_fs && be_nvl_add_uint16(be_attrs, BE_ATTR_MOUNT_FLAGS,
1297 mount_flags) != 0)
1298 goto out;
1299
1300 err = be_mount(be_attrs);
1301
1302 switch (err) {
1303 case BE_SUCCESS:
1304 (void) printf(_("Mounted successfully on: '%s'\n"), mountpoint);
1305 break;
1306 case BE_ERR_BE_NOENT:
1307 (void) fprintf(stderr, _("%s does not exist or appear "
1308 "to be a valid BE.\nPlease check that the name of "
1309 "the BE provided is correct.\n"), obe_name);
1310 break;
1311 case BE_ERR_MOUNTED:
1312 (void) fprintf(stderr, _("%s is already mounted.\n"
1313 "Please unmount the BE before mounting it again.\n"),
1314 obe_name);
1315 break;
1316 case BE_ERR_PERM:
1317 case BE_ERR_ACCESS:
1318 (void) fprintf(stderr, _("Unable to mount %s.\n"), obe_name);
1319 (void) fprintf(stderr, _("You have insufficient privileges to "
1320 "execute this command.\n"));
1321 break;
1322 case BE_ERR_NO_MOUNTED_ZONE:
1323 (void) fprintf(stderr, _("Mounted on '%s'.\nUnable to mount "
1324 "one of %s's zone BE's.\n"), mountpoint, obe_name);
1325 break;
1326 default:
1327 (void) fprintf(stderr, _("Unable to mount %s.\n"), obe_name);
1328 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
1329 }
1330
1331 out:
1332 if (tmp_mp != NULL)
1333 free(tmp_mp);
1334 nvlist_free(be_attrs);
1335 return (err);
1336 }
1337
1338 static int
1339 be_do_unmount(int argc, char **argv)
1340 {
1341 nvlist_t *be_attrs;
1342 char *obe_name;
1343 int err = 1;
1344 int c;
1345 int unmount_flags = 0;
1346
1347 while ((c = getopt(argc, argv, "fv")) != -1) {
1348 switch (c) {
1349 case 'f':
1350 unmount_flags |= BE_UNMOUNT_FLAG_FORCE;
1351 break;
1352 case 'v':
1353 libbe_print_errors(B_TRUE);
1354 break;
1355 default:
1356 usage();
1357 return (1);
1358 }
1359 }
1360
1361 argc -= optind;
1362 argv += optind;
1363
1364 if (argc != 1) {
1365 usage();
1366 return (1);
1367 }
1368
1369 obe_name = argv[0];
1370
1371 if (be_nvl_alloc(&be_attrs) != 0)
1372 return (1);
1373
1374
1375 if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1376 goto out;
1377
1378 if (be_nvl_add_uint16(be_attrs, BE_ATTR_UNMOUNT_FLAGS,
1379 unmount_flags) != 0)
1380 goto out;
1381
1382 err = be_unmount(be_attrs);
1383
1384 switch (err) {
1385 case BE_SUCCESS:
1386 (void) printf(_("Unmounted successfully\n"));
1387 break;
1388 case BE_ERR_BE_NOENT:
1389 (void) fprintf(stderr, _("%s does not exist or appear "
1390 "to be a valid BE.\nPlease check that the name of "
1391 "the BE provided is correct.\n"), obe_name);
1392 break;
1393 case BE_ERR_UMOUNT_CURR_BE:
1394 (void) fprintf(stderr, _("%s is the currently active BE.\n"
1395 "It cannot be unmounted unless another BE is the "
1396 "currently active BE.\n"), obe_name);
1397 break;
1398 case BE_ERR_UMOUNT_SHARED:
1399 (void) fprintf(stderr, _("%s is a shared file system and it "
1400 "cannot be unmounted.\n"), obe_name);
1401 break;
1402 case BE_ERR_PERM:
1403 case BE_ERR_ACCESS:
1404 (void) fprintf(stderr, _("Unable to unmount %s.\n"), obe_name);
1405 (void) fprintf(stderr, _("You have insufficient privileges to "
1406 "execute this command.\n"));
1407 break;
1408 default:
1409 (void) fprintf(stderr, _("Unable to unmount %s.\n"), obe_name);
1410 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
1411 }
1412
1413 out:
1414 nvlist_free(be_attrs);
1415 return (err);
1416 }
1417
1418 static int
1419 be_do_rename(int argc, char **argv)
1420 {
1421 nvlist_t *be_attrs;
1422 char *obe_name;
1423 char *nbe_name;
1424 int err = 1;
1425 int c;
1426
1427 while ((c = getopt(argc, argv, "v")) != -1) {
1428 switch (c) {
1429 case 'v':
1430 libbe_print_errors(B_TRUE);
1431 break;
1432 default:
1433 usage();
1434 return (1);
1435 }
1436 }
1437
1438 argc -= optind;
1439 argv += optind;
1440
1441 if (argc != 2) {
1442 usage();
1443 return (1);
1444 }
1445
1446 obe_name = argv[0];
1447 nbe_name = argv[1];
1448
1449 if (be_nvl_alloc(&be_attrs) != 0)
1450 return (1);
1451
1452 if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1453 goto out;
1454
1455 if (be_nvl_add_string(be_attrs, BE_ATTR_NEW_BE_NAME, nbe_name) != 0)
1456 goto out;
1457
1458 err = be_rename(be_attrs);
1459
1460 switch (err) {
1461 case BE_SUCCESS:
1462 (void) printf(_("Renamed successfully\n"));
1463 break;
1464 case BE_ERR_BE_NOENT:
1465 (void) fprintf(stderr, _("%s does not exist or appear "
1466 "to be a valid BE.\nPlease check that the name of "
1467 "the BE provided is correct.\n"), obe_name);
1468 break;
1469 case BE_ERR_PERM:
1470 case BE_ERR_ACCESS:
1471 (void) fprintf(stderr, _("Rename of BE %s failed.\n"),
1472 obe_name);
1473 (void) fprintf(stderr, _("You have insufficient privileges to "
1474 "execute this command.\n"));
1475 break;
1476 default:
1477 (void) fprintf(stderr, _("Rename of BE %s failed.\n"),
1478 obe_name);
1479 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
1480 }
1481
1482 out:
1483 nvlist_free(be_attrs);
1484 return (err);
1485 }
1486
1487 static int
1488 be_do_rollback(int argc, char **argv)
1489 {
1490 nvlist_t *be_attrs;
1491 char *obe_name;
1492 char *snap_name;
1493 int err = 1;
1494 int c;
1495
1496 while ((c = getopt(argc, argv, "v")) != -1) {
1497 switch (c) {
1498 case 'v':
1499 libbe_print_errors(B_TRUE);
1500 break;
1501 default:
1502 usage();
1503 return (1);
1504 }
1505 }
1506
1507 argc -= optind;
1508 argv += optind;
1509
1510 if (argc < 1 || argc > 2) {
1511 usage();
1512 return (1);
1513 }
1514
1515 obe_name = argv[0];
1516 if (argc == 2)
1517 snap_name = argv[1];
1518 else { /* argc == 1 */
1519 if ((snap_name = strrchr(obe_name, '@')) != NULL) {
1520 if (snap_name[1] == '\0') {
1521 usage();
1522 return (1);
1523 }
1524
1525 snap_name[0] = '\0';
1526 snap_name++;
1527 } else {
1528 usage();
1529 return (1);
1530 }
1531 }
1532
1533 if (be_nvl_alloc(&be_attrs) != 0)
1534 return (1);
1535
1536 if (be_nvl_add_string(be_attrs, BE_ATTR_ORIG_BE_NAME, obe_name) != 0)
1537 goto out;
1538
1539 if (be_nvl_add_string(be_attrs, BE_ATTR_SNAP_NAME, snap_name) != 0)
1540 goto out;
1541
1542 err = be_rollback(be_attrs);
1543
1544 switch (err) {
1545 case BE_SUCCESS:
1546 (void) printf(_("Rolled back successfully\n"));
1547 break;
1548 case BE_ERR_BE_NOENT:
1549 (void) fprintf(stderr, _("%s does not exist or appear "
1550 "to be a valid BE.\nPlease check that the name of "
1551 "the BE provided is correct.\n"), obe_name);
1552 break;
1553 case BE_ERR_SS_NOENT:
1554 (void) fprintf(stderr, _("%s does not exist or appear "
1555 "to be a valid snapshot.\nPlease check that the name of "
1556 "the snapshot provided is correct.\n"), snap_name);
1557 break;
1558 case BE_ERR_PERM:
1559 case BE_ERR_ACCESS:
1560 (void) fprintf(stderr, _("Rollback of BE %s snapshot %s "
1561 "failed.\n"), obe_name, snap_name);
1562 (void) fprintf(stderr, _("You have insufficient privileges to "
1563 "execute this command.\n"));
1564 break;
1565 default:
1566 (void) fprintf(stderr, _("Rollback of BE %s snapshot %s "
1567 "failed.\n"), obe_name, snap_name);
1568 (void) fprintf(stderr, "%s\n", be_err_to_str(err));
1569 }
1570
1571 out:
1572 nvlist_free(be_attrs);
1573 return (err);
1574 }
Unleashed OS