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 } 1575