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) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 25 * Copyright 2012 Milan Jurik. All rights reserved. 26 * Copyright 2019 Joyent, Inc. 27 * Copyright (c) 2011-2012 Pawel Jakub Dawidek. All rights reserved. 28 * Copyright (c) 2013 Steven Hartland. All rights reserved. 29 * Copyright (c) 2014 Integros [integros.com] 30 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>. 31 * Copyright 2016 Nexenta Systems, Inc. 32 * Copyright (c) 2018 Datto Inc. 33 */ 34 35 #include <assert.h> 36 #include <ctype.h> 37 #include <errno.h> 38 #include <getopt.h> 39 #include <libgen.h> 40 #include <libintl.h> 41 #include <libuutil.h> 42 #include <libnvpair.h> 43 #include <locale.h> 44 #include <stddef.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <strings.h> 48 #include <unistd.h> 49 #include <fcntl.h> 50 #include <zone.h> 51 #include <grp.h> 52 #include <pwd.h> 53 #include <signal.h> 54 #include <sys/debug.h> 55 #include <sys/list.h> 56 #include <sys/mkdev.h> 57 #include <sys/mntent.h> 58 #include <sys/mnttab.h> 59 #include <sys/mount.h> 60 #include <sys/stat.h> 61 #include <sys/fs/zfs.h> 62 #include <sys/types.h> 63 #include <time.h> 64 #include <synch.h> 65 66 #include <libzfs.h> 67 #include <libzfs_core.h> 68 #include <zfs_prop.h> 69 #include <zfs_deleg.h> 70 #include <libuutil.h> 71 #include <aclutils.h> 72 #include <directory.h> 73 #include <idmap.h> 74 #include <libshare.h> 75 76 #include "zfs_iter.h" 77 #include "zfs_util.h" 78 #include "zfs_comutil.h" 79 80 libzfs_handle_t *g_zfs; 81 82 static FILE *mnttab_file; 83 static char history_str[HIS_MAX_RECORD_LEN]; 84 static boolean_t log_history = B_TRUE; 85 86 static int zfs_do_clone(int argc, char **argv); 87 static int zfs_do_create(int argc, char **argv); 88 static int zfs_do_destroy(int argc, char **argv); 89 static int zfs_do_get(int argc, char **argv); 90 static int zfs_do_inherit(int argc, char **argv); 91 static int zfs_do_list(int argc, char **argv); 92 static int zfs_do_mount(int argc, char **argv); 93 static int zfs_do_rename(int argc, char **argv); 94 static int zfs_do_rollback(int argc, char **argv); 95 static int zfs_do_set(int argc, char **argv); 96 static int zfs_do_upgrade(int argc, char **argv); 97 static int zfs_do_snapshot(int argc, char **argv); 98 static int zfs_do_unmount(int argc, char **argv); 99 static int zfs_do_share(int argc, char **argv); 100 static int zfs_do_unshare(int argc, char **argv); 101 static int zfs_do_send(int argc, char **argv); 102 static int zfs_do_receive(int argc, char **argv); 103 static int zfs_do_promote(int argc, char **argv); 104 static int zfs_do_userspace(int argc, char **argv); 105 static int zfs_do_allow(int argc, char **argv); 106 static int zfs_do_unallow(int argc, char **argv); 107 static int zfs_do_hold(int argc, char **argv); 108 static int zfs_do_holds(int argc, char **argv); 109 static int zfs_do_release(int argc, char **argv); 110 static int zfs_do_diff(int argc, char **argv); 111 static int zfs_do_bookmark(int argc, char **argv); 112 static int zfs_do_remap(int argc, char **argv); 113 static int zfs_do_channel_program(int argc, char **argv); 114 static int zfs_do_load_key(int argc, char **argv); 115 static int zfs_do_unload_key(int argc, char **argv); 116 static int zfs_do_change_key(int argc, char **argv); 117 118 /* 119 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds. 120 */ 121 122 #ifdef DEBUG 123 const char * 124 _umem_debug_init(void) 125 { 126 return ("default,verbose"); /* $UMEM_DEBUG setting */ 127 } 128 129 const char * 130 _umem_logging_init(void) 131 { 132 return ("fail,contents"); /* $UMEM_LOGGING setting */ 133 } 134 #endif 135 136 typedef enum { 137 HELP_CLONE, 138 HELP_CREATE, 139 HELP_DESTROY, 140 HELP_GET, 141 HELP_INHERIT, 142 HELP_UPGRADE, 143 HELP_LIST, 144 HELP_MOUNT, 145 HELP_PROMOTE, 146 HELP_RECEIVE, 147 HELP_RENAME, 148 HELP_ROLLBACK, 149 HELP_SEND, 150 HELP_SET, 151 HELP_SHARE, 152 HELP_SNAPSHOT, 153 HELP_UNMOUNT, 154 HELP_UNSHARE, 155 HELP_ALLOW, 156 HELP_UNALLOW, 157 HELP_USERSPACE, 158 HELP_GROUPSPACE, 159 HELP_HOLD, 160 HELP_HOLDS, 161 HELP_RELEASE, 162 HELP_DIFF, 163 HELP_REMAP, 164 HELP_BOOKMARK, 165 HELP_CHANNEL_PROGRAM, 166 HELP_LOAD_KEY, 167 HELP_UNLOAD_KEY, 168 HELP_CHANGE_KEY, 169 } zfs_help_t; 170 171 typedef struct zfs_command { 172 const char *name; 173 int (*func)(int argc, char **argv); 174 zfs_help_t usage; 175 } zfs_command_t; 176 177 /* 178 * Master command table. Each ZFS command has a name, associated function, and 179 * usage message. The usage messages need to be internationalized, so we have 180 * to have a function to return the usage message based on a command index. 181 * 182 * These commands are organized according to how they are displayed in the usage 183 * message. An empty command (one with a NULL name) indicates an empty line in 184 * the generic usage message. 185 */ 186 static zfs_command_t command_table[] = { 187 { "create", zfs_do_create, HELP_CREATE }, 188 { "destroy", zfs_do_destroy, HELP_DESTROY }, 189 { NULL }, 190 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT }, 191 { "rollback", zfs_do_rollback, HELP_ROLLBACK }, 192 { "clone", zfs_do_clone, HELP_CLONE }, 193 { "promote", zfs_do_promote, HELP_PROMOTE }, 194 { "rename", zfs_do_rename, HELP_RENAME }, 195 { "bookmark", zfs_do_bookmark, HELP_BOOKMARK }, 196 { "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM }, 197 { NULL }, 198 { "list", zfs_do_list, HELP_LIST }, 199 { NULL }, 200 { "set", zfs_do_set, HELP_SET }, 201 { "get", zfs_do_get, HELP_GET }, 202 { "inherit", zfs_do_inherit, HELP_INHERIT }, 203 { "upgrade", zfs_do_upgrade, HELP_UPGRADE }, 204 { "userspace", zfs_do_userspace, HELP_USERSPACE }, 205 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE }, 206 { NULL }, 207 { "mount", zfs_do_mount, HELP_MOUNT }, 208 { "unmount", zfs_do_unmount, HELP_UNMOUNT }, 209 { "share", zfs_do_share, HELP_SHARE }, 210 { "unshare", zfs_do_unshare, HELP_UNSHARE }, 211 { NULL }, 212 { "send", zfs_do_send, HELP_SEND }, 213 { "receive", zfs_do_receive, HELP_RECEIVE }, 214 { NULL }, 215 { "allow", zfs_do_allow, HELP_ALLOW }, 216 { NULL }, 217 { "unallow", zfs_do_unallow, HELP_UNALLOW }, 218 { NULL }, 219 { "hold", zfs_do_hold, HELP_HOLD }, 220 { "holds", zfs_do_holds, HELP_HOLDS }, 221 { "release", zfs_do_release, HELP_RELEASE }, 222 { "diff", zfs_do_diff, HELP_DIFF }, 223 { "remap", zfs_do_remap, HELP_REMAP }, 224 { "load-key", zfs_do_load_key, HELP_LOAD_KEY }, 225 { "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY }, 226 { "change-key", zfs_do_change_key, HELP_CHANGE_KEY }, 227 }; 228 229 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 230 231 zfs_command_t *current_command; 232 233 static const char * 234 get_usage(zfs_help_t idx) 235 { 236 switch (idx) { 237 case HELP_CLONE: 238 return (gettext("\tclone [-p] [-o property=value] ... " 239 "<snapshot> <filesystem|volume>\n")); 240 case HELP_CREATE: 241 return (gettext("\tcreate [-p] [-o property=value] ... " 242 "<filesystem>\n" 243 "\tcreate [-ps] [-b blocksize] [-o property=value] ... " 244 "-V <size> <volume>\n")); 245 case HELP_DESTROY: 246 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n" 247 "\tdestroy [-dnpRrv] " 248 "<filesystem|volume>@<snap>[%<snap>][,...]\n" 249 "\tdestroy <filesystem|volume>#<bookmark>\n")); 250 case HELP_GET: 251 return (gettext("\tget [-rHp] [-d max] " 252 "[-o \"all\" | field[,...]]\n" 253 "\t [-t type[,...]] [-s source[,...]]\n" 254 "\t <\"all\" | property[,...]> " 255 "[filesystem|volume|snapshot|bookmark] ...\n")); 256 case HELP_INHERIT: 257 return (gettext("\tinherit [-rS] <property> " 258 "<filesystem|volume|snapshot> ...\n")); 259 case HELP_UPGRADE: 260 return (gettext("\tupgrade [-v]\n" 261 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n")); 262 case HELP_LIST: 263 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] " 264 "[-s property]...\n\t [-S property]... [-t type[,...]] " 265 "[filesystem|volume|snapshot] ...\n")); 266 case HELP_MOUNT: 267 return (gettext("\tmount\n" 268 "\tmount [-lvO] [-o opts] <-a | filesystem>\n")); 269 case HELP_PROMOTE: 270 return (gettext("\tpromote <clone-filesystem>\n")); 271 case HELP_RECEIVE: 272 return (gettext("\treceive [-vnsFhu] " 273 "[-o <property>=<value>] ... [-x <property>] ...\n" 274 "\t <filesystem|volume|snapshot>\n" 275 "\treceive [-vnsFhu] [-o <property>=<value>] ... " 276 "[-x <property>] ... \n" 277 "\t [-d | -e] <filesystem>\n" 278 "\treceive -A <filesystem|volume>\n")); 279 case HELP_RENAME: 280 return (gettext("\trename [-f] <filesystem|volume|snapshot> " 281 "<filesystem|volume|snapshot>\n" 282 "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n" 283 "\trename -r <snapshot> <snapshot>\n")); 284 case HELP_ROLLBACK: 285 return (gettext("\trollback [-rRf] <snapshot>\n")); 286 case HELP_SEND: 287 return (gettext("\tsend [-DnPpRvLecwhb] [-[iI] snapshot] " 288 "<snapshot>\n" 289 "\tsend [-nvPLecw] [-i snapshot|bookmark] " 290 "<filesystem|volume|snapshot>\n" 291 "\tsend [-nvPe] -t <receive_resume_token>\n")); 292 case HELP_SET: 293 return (gettext("\tset <property=value> ... " 294 "<filesystem|volume|snapshot> ...\n")); 295 case HELP_SHARE: 296 return (gettext("\tshare [-l] <-a | filesystem>\n")); 297 case HELP_SNAPSHOT: 298 return (gettext("\tsnapshot [-r] [-o property=value] ... " 299 "<filesystem|volume>@<snap> ...\n")); 300 case HELP_UNMOUNT: 301 return (gettext("\tunmount [-f] " 302 "<-a | filesystem|mountpoint>\n")); 303 case HELP_UNSHARE: 304 return (gettext("\tunshare " 305 "<-a | filesystem|mountpoint>\n")); 306 case HELP_ALLOW: 307 return (gettext("\tallow <filesystem|volume>\n" 308 "\tallow [-ldug] " 309 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n" 310 "\t <filesystem|volume>\n" 311 "\tallow [-ld] -e <perm|@setname>[,...] " 312 "<filesystem|volume>\n" 313 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n" 314 "\tallow -s @setname <perm|@setname>[,...] " 315 "<filesystem|volume>\n")); 316 case HELP_UNALLOW: 317 return (gettext("\tunallow [-rldug] " 318 "<\"everyone\"|user|group>[,...]\n" 319 "\t [<perm|@setname>[,...]] <filesystem|volume>\n" 320 "\tunallow [-rld] -e [<perm|@setname>[,...]] " 321 "<filesystem|volume>\n" 322 "\tunallow [-r] -c [<perm|@setname>[,...]] " 323 "<filesystem|volume>\n" 324 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] " 325 "<filesystem|volume>\n")); 326 case HELP_USERSPACE: 327 return (gettext("\tuserspace [-Hinp] [-o field[,...]] " 328 "[-s field] ...\n" 329 "\t [-S field] ... [-t type[,...]] " 330 "<filesystem|snapshot>\n")); 331 case HELP_GROUPSPACE: 332 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] " 333 "[-s field] ...\n" 334 "\t [-S field] ... [-t type[,...]] " 335 "<filesystem|snapshot>\n")); 336 case HELP_HOLD: 337 return (gettext("\thold [-r] <tag> <snapshot> ...\n")); 338 case HELP_HOLDS: 339 return (gettext("\tholds [-r] <snapshot> ...\n")); 340 case HELP_RELEASE: 341 return (gettext("\trelease [-r] <tag> <snapshot> ...\n")); 342 case HELP_DIFF: 343 return (gettext("\tdiff [-FHt] <snapshot> " 344 "[snapshot|filesystem]\n")); 345 case HELP_REMAP: 346 return (gettext("\tremap <filesystem | volume>\n")); 347 case HELP_BOOKMARK: 348 return (gettext("\tbookmark <snapshot> <bookmark>\n")); 349 case HELP_CHANNEL_PROGRAM: 350 return (gettext("\tprogram [-jn] [-t <instruction limit>] " 351 "[-m <memory limit (b)>] <pool> <program file> " 352 "[lua args...]\n")); 353 case HELP_LOAD_KEY: 354 return (gettext("\tload-key [-rn] [-L <keylocation>] " 355 "<-a | filesystem|volume>\n")); 356 case HELP_UNLOAD_KEY: 357 return (gettext("\tunload-key [-r] " 358 "<-a | filesystem|volume>\n")); 359 case HELP_CHANGE_KEY: 360 return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n" 361 "\t [-o keylocation=<value>] [-o pbkfd2iters=<value>]\n" 362 "\t <filesystem|volume>\n" 363 "\tchange-key -i [-l] <filesystem|volume>\n")); 364 } 365 366 abort(); 367 /* NOTREACHED */ 368 } 369 370 void 371 nomem(void) 372 { 373 (void) fprintf(stderr, gettext("internal error: out of memory\n")); 374 exit(1); 375 } 376 377 /* 378 * Utility function to guarantee malloc() success. 379 */ 380 381 void * 382 safe_malloc(size_t size) 383 { 384 void *data; 385 386 if ((data = calloc(1, size)) == NULL) 387 nomem(); 388 389 return (data); 390 } 391 392 void * 393 safe_realloc(void *data, size_t size) 394 { 395 void *newp; 396 if ((newp = realloc(data, size)) == NULL) { 397 free(data); 398 nomem(); 399 } 400 401 return (newp); 402 } 403 404 static char * 405 safe_strdup(char *str) 406 { 407 char *dupstr = strdup(str); 408 409 if (dupstr == NULL) 410 nomem(); 411 412 return (dupstr); 413 } 414 415 /* 416 * Callback routine that will print out information for each of 417 * the properties. 418 */ 419 static int 420 usage_prop_cb(int prop, void *cb) 421 { 422 FILE *fp = cb; 423 424 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop)); 425 426 if (zfs_prop_readonly(prop)) 427 (void) fprintf(fp, " NO "); 428 else 429 (void) fprintf(fp, "YES "); 430 431 if (zfs_prop_inheritable(prop)) 432 (void) fprintf(fp, " YES "); 433 else 434 (void) fprintf(fp, " NO "); 435 436 if (zfs_prop_values(prop) == NULL) 437 (void) fprintf(fp, "-\n"); 438 else 439 (void) fprintf(fp, "%s\n", zfs_prop_values(prop)); 440 441 return (ZPROP_CONT); 442 } 443 444 /* 445 * Display usage message. If we're inside a command, display only the usage for 446 * that command. Otherwise, iterate over the entire command table and display 447 * a complete usage message. 448 */ 449 static void 450 usage(boolean_t requested) 451 { 452 int i; 453 boolean_t show_properties = B_FALSE; 454 FILE *fp = requested ? stdout : stderr; 455 456 if (current_command == NULL) { 457 458 (void) fprintf(fp, gettext("usage: zfs command args ...\n")); 459 (void) fprintf(fp, 460 gettext("where 'command' is one of the following:\n\n")); 461 462 for (i = 0; i < NCOMMAND; i++) { 463 if (command_table[i].name == NULL) 464 (void) fprintf(fp, "\n"); 465 else 466 (void) fprintf(fp, "%s", 467 get_usage(command_table[i].usage)); 468 } 469 470 (void) fprintf(fp, gettext("\nEach dataset is of the form: " 471 "pool/[dataset/]*dataset[@name]\n")); 472 } else { 473 (void) fprintf(fp, gettext("usage:\n")); 474 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 475 } 476 477 if (current_command != NULL && 478 (strcmp(current_command->name, "set") == 0 || 479 strcmp(current_command->name, "get") == 0 || 480 strcmp(current_command->name, "inherit") == 0 || 481 strcmp(current_command->name, "list") == 0)) 482 show_properties = B_TRUE; 483 484 if (show_properties) { 485 (void) fprintf(fp, 486 gettext("\nThe following properties are supported:\n")); 487 488 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n", 489 "PROPERTY", "EDIT", "INHERIT", "VALUES"); 490 491 /* Iterate over all properties */ 492 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE, 493 ZFS_TYPE_DATASET); 494 495 (void) fprintf(fp, "\t%-15s ", "userused@..."); 496 (void) fprintf(fp, " NO NO <size>\n"); 497 (void) fprintf(fp, "\t%-15s ", "groupused@..."); 498 (void) fprintf(fp, " NO NO <size>\n"); 499 (void) fprintf(fp, "\t%-15s ", "userquota@..."); 500 (void) fprintf(fp, "YES NO <size> | none\n"); 501 (void) fprintf(fp, "\t%-15s ", "groupquota@..."); 502 (void) fprintf(fp, "YES NO <size> | none\n"); 503 (void) fprintf(fp, "\t%-15s ", "written@<snap>"); 504 (void) fprintf(fp, " NO NO <size>\n"); 505 506 (void) fprintf(fp, gettext("\nSizes are specified in bytes " 507 "with standard units such as K, M, G, etc.\n")); 508 (void) fprintf(fp, gettext("\nUser-defined properties can " 509 "be specified by using a name containing a colon (:).\n")); 510 (void) fprintf(fp, gettext("\nThe {user|group}{used|quota}@ " 511 "properties must be appended with\n" 512 "a user or group specifier of one of these forms:\n" 513 " POSIX name (eg: \"matt\")\n" 514 " POSIX id (eg: \"126829\")\n" 515 " SMB name@domain (eg: \"matt@sun\")\n" 516 " SMB SID (eg: \"S-1-234-567-89\")\n")); 517 } else { 518 (void) fprintf(fp, 519 gettext("\nFor the property list, run: %s\n"), 520 "zfs set|get"); 521 (void) fprintf(fp, 522 gettext("\nFor the delegated permission list, run: %s\n"), 523 "zfs allow|unallow"); 524 } 525 526 /* 527 * See comments at end of main(). 528 */ 529 if (getenv("ZFS_ABORT") != NULL) { 530 (void) printf("dumping core by request\n"); 531 abort(); 532 } 533 534 exit(requested ? 0 : 2); 535 } 536 537 /* 538 * Take a property=value argument string and add it to the given nvlist. 539 * Modifies the argument inplace. 540 */ 541 static boolean_t 542 parseprop(nvlist_t *props, char *propname) 543 { 544 char *propval; 545 546 if ((propval = strchr(propname, '=')) == NULL) { 547 (void) fprintf(stderr, gettext("missing " 548 "'=' for property=value argument\n")); 549 return (B_FALSE); 550 } 551 *propval = '\0'; 552 propval++; 553 if (nvlist_exists(props, propname)) { 554 (void) fprintf(stderr, gettext("property '%s' " 555 "specified multiple times\n"), propname); 556 return (B_FALSE); 557 } 558 if (nvlist_add_string(props, propname, propval) != 0) 559 nomem(); 560 return (B_TRUE); 561 } 562 563 /* 564 * Take a property name argument and add it to the given nvlist. 565 * Modifies the argument inplace. 566 */ 567 static boolean_t 568 parsepropname(nvlist_t *props, char *propname) 569 { 570 if (strchr(propname, '=') != NULL) { 571 (void) fprintf(stderr, gettext("invalid character " 572 "'=' in property argument\n")); 573 return (B_FALSE); 574 } 575 if (nvlist_exists(props, propname)) { 576 (void) fprintf(stderr, gettext("property '%s' " 577 "specified multiple times\n"), propname); 578 return (B_FALSE); 579 } 580 if (nvlist_add_boolean(props, propname) != 0) 581 nomem(); 582 return (B_TRUE); 583 } 584 585 static int 586 parse_depth(char *opt, int *flags) 587 { 588 char *tmp; 589 int depth; 590 591 depth = (int)strtol(opt, &tmp, 0); 592 if (*tmp) { 593 (void) fprintf(stderr, 594 gettext("%s is not an integer\n"), optarg); 595 usage(B_FALSE); 596 } 597 if (depth < 0) { 598 (void) fprintf(stderr, 599 gettext("Depth can not be negative.\n")); 600 usage(B_FALSE); 601 } 602 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE); 603 return (depth); 604 } 605 606 #define PROGRESS_DELAY 2 /* seconds */ 607 608 static char *pt_reverse = "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"; 609 static time_t pt_begin; 610 static char *pt_header = NULL; 611 static boolean_t pt_shown; 612 613 static void 614 start_progress_timer(void) 615 { 616 pt_begin = time(NULL) + PROGRESS_DELAY; 617 pt_shown = B_FALSE; 618 } 619 620 static void 621 set_progress_header(char *header) 622 { 623 assert(pt_header == NULL); 624 pt_header = safe_strdup(header); 625 if (pt_shown) { 626 (void) printf("%s: ", header); 627 (void) fflush(stdout); 628 } 629 } 630 631 static void 632 update_progress(char *update) 633 { 634 if (!pt_shown && time(NULL) > pt_begin) { 635 int len = strlen(update); 636 637 (void) printf("%s: %s%*.*s", pt_header, update, len, len, 638 pt_reverse); 639 (void) fflush(stdout); 640 pt_shown = B_TRUE; 641 } else if (pt_shown) { 642 int len = strlen(update); 643 644 (void) printf("%s%*.*s", update, len, len, pt_reverse); 645 (void) fflush(stdout); 646 } 647 } 648 649 static void 650 finish_progress(char *done) 651 { 652 if (pt_shown) { 653 (void) printf("%s\n", done); 654 (void) fflush(stdout); 655 } 656 free(pt_header); 657 pt_header = NULL; 658 } 659 660 /* 661 * Check if the dataset is mountable and should be automatically mounted. 662 */ 663 static boolean_t 664 should_auto_mount(zfs_handle_t *zhp) 665 { 666 if (!zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, zfs_get_type(zhp))) 667 return (B_FALSE); 668 return (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON); 669 } 670 671 /* 672 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol> 673 * 674 * Given an existing dataset, create a writable copy whose initial contents 675 * are the same as the source. The newly created dataset maintains a 676 * dependency on the original; the original cannot be destroyed so long as 677 * the clone exists. 678 * 679 * The '-p' flag creates all the non-existing ancestors of the target first. 680 */ 681 static int 682 zfs_do_clone(int argc, char **argv) 683 { 684 zfs_handle_t *zhp = NULL; 685 boolean_t parents = B_FALSE; 686 nvlist_t *props; 687 int ret = 0; 688 int c; 689 690 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 691 nomem(); 692 693 /* check options */ 694 while ((c = getopt(argc, argv, "o:p")) != -1) { 695 switch (c) { 696 case 'o': 697 if (!parseprop(props, optarg)) { 698 nvlist_free(props); 699 return (1); 700 } 701 break; 702 case 'p': 703 parents = B_TRUE; 704 break; 705 case '?': 706 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 707 optopt); 708 goto usage; 709 } 710 } 711 712 argc -= optind; 713 argv += optind; 714 715 /* check number of arguments */ 716 if (argc < 1) { 717 (void) fprintf(stderr, gettext("missing source dataset " 718 "argument\n")); 719 goto usage; 720 } 721 if (argc < 2) { 722 (void) fprintf(stderr, gettext("missing target dataset " 723 "argument\n")); 724 goto usage; 725 } 726 if (argc > 2) { 727 (void) fprintf(stderr, gettext("too many arguments\n")); 728 goto usage; 729 } 730 731 /* open the source dataset */ 732 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) 733 return (1); 734 735 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM | 736 ZFS_TYPE_VOLUME)) { 737 /* 738 * Now create the ancestors of the target dataset. If the 739 * target already exists and '-p' option was used we should not 740 * complain. 741 */ 742 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | 743 ZFS_TYPE_VOLUME)) 744 return (0); 745 if (zfs_create_ancestors(g_zfs, argv[1]) != 0) 746 return (1); 747 } 748 749 /* pass to libzfs */ 750 ret = zfs_clone(zhp, argv[1], props); 751 752 /* create the mountpoint if necessary */ 753 if (ret == 0) { 754 zfs_handle_t *clone; 755 756 clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET); 757 if (clone != NULL) { 758 /* 759 * If the user doesn't want the dataset 760 * automatically mounted, then skip the mount/share 761 * step. 762 */ 763 if (should_auto_mount(clone)) { 764 if ((ret = zfs_mount(clone, NULL, 0)) != 0) { 765 (void) fprintf(stderr, gettext("clone " 766 "successfully created, " 767 "but not mounted\n")); 768 } else if ((ret = zfs_share(clone)) != 0) { 769 (void) fprintf(stderr, gettext("clone " 770 "successfully created, " 771 "but not shared\n")); 772 } 773 } 774 zfs_close(clone); 775 } 776 } 777 778 zfs_close(zhp); 779 nvlist_free(props); 780 781 return (!!ret); 782 783 usage: 784 if (zhp) 785 zfs_close(zhp); 786 nvlist_free(props); 787 usage(B_FALSE); 788 return (-1); 789 } 790 791 /* 792 * zfs create [-p] [-o prop=value] ... fs 793 * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size 794 * 795 * Create a new dataset. This command can be used to create filesystems 796 * and volumes. Snapshot creation is handled by 'zfs snapshot'. 797 * For volumes, the user must specify a size to be used. 798 * 799 * The '-s' flag applies only to volumes, and indicates that we should not try 800 * to set the reservation for this volume. By default we set a reservation 801 * equal to the size for any volume. For pools with SPA_VERSION >= 802 * SPA_VERSION_REFRESERVATION, we set a refreservation instead. 803 * 804 * The '-p' flag creates all the non-existing ancestors of the target first. 805 */ 806 static int 807 zfs_do_create(int argc, char **argv) 808 { 809 zfs_type_t type = ZFS_TYPE_FILESYSTEM; 810 zfs_handle_t *zhp = NULL; 811 uint64_t volsize = 0; 812 int c; 813 boolean_t noreserve = B_FALSE; 814 boolean_t bflag = B_FALSE; 815 boolean_t parents = B_FALSE; 816 int ret = 1; 817 nvlist_t *props; 818 uint64_t intval; 819 820 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 821 nomem(); 822 823 /* check options */ 824 while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) { 825 switch (c) { 826 case 'V': 827 type = ZFS_TYPE_VOLUME; 828 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { 829 (void) fprintf(stderr, gettext("bad volume " 830 "size '%s': %s\n"), optarg, 831 libzfs_error_description(g_zfs)); 832 goto error; 833 } 834 835 if (nvlist_add_uint64(props, 836 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0) 837 nomem(); 838 volsize = intval; 839 break; 840 case 'p': 841 parents = B_TRUE; 842 break; 843 case 'b': 844 bflag = B_TRUE; 845 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { 846 (void) fprintf(stderr, gettext("bad volume " 847 "block size '%s': %s\n"), optarg, 848 libzfs_error_description(g_zfs)); 849 goto error; 850 } 851 852 if (nvlist_add_uint64(props, 853 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 854 intval) != 0) 855 nomem(); 856 break; 857 case 'o': 858 if (!parseprop(props, optarg)) 859 goto error; 860 break; 861 case 's': 862 noreserve = B_TRUE; 863 break; 864 case ':': 865 (void) fprintf(stderr, gettext("missing size " 866 "argument\n")); 867 goto badusage; 868 case '?': 869 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 870 optopt); 871 goto badusage; 872 } 873 } 874 875 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) { 876 (void) fprintf(stderr, gettext("'-s' and '-b' can only be " 877 "used when creating a volume\n")); 878 goto badusage; 879 } 880 881 argc -= optind; 882 argv += optind; 883 884 /* check number of arguments */ 885 if (argc == 0) { 886 (void) fprintf(stderr, gettext("missing %s argument\n"), 887 zfs_type_to_name(type)); 888 goto badusage; 889 } 890 if (argc > 1) { 891 (void) fprintf(stderr, gettext("too many arguments\n")); 892 goto badusage; 893 } 894 895 if (type == ZFS_TYPE_VOLUME && !noreserve) { 896 zpool_handle_t *zpool_handle; 897 nvlist_t *real_props = NULL; 898 uint64_t spa_version; 899 char *p; 900 zfs_prop_t resv_prop; 901 char *strval; 902 char msg[1024]; 903 904 if ((p = strchr(argv[0], '/')) != NULL) 905 *p = '\0'; 906 zpool_handle = zpool_open(g_zfs, argv[0]); 907 if (p != NULL) 908 *p = '/'; 909 if (zpool_handle == NULL) 910 goto error; 911 spa_version = zpool_get_prop_int(zpool_handle, 912 ZPOOL_PROP_VERSION, NULL); 913 if (spa_version >= SPA_VERSION_REFRESERVATION) 914 resv_prop = ZFS_PROP_REFRESERVATION; 915 else 916 resv_prop = ZFS_PROP_RESERVATION; 917 918 (void) snprintf(msg, sizeof (msg), 919 gettext("cannot create '%s'"), argv[0]); 920 if (props && (real_props = zfs_valid_proplist(g_zfs, type, 921 props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) { 922 zpool_close(zpool_handle); 923 goto error; 924 } 925 926 volsize = zvol_volsize_to_reservation(zpool_handle, volsize, 927 real_props); 928 nvlist_free(real_props); 929 zpool_close(zpool_handle); 930 931 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop), 932 &strval) != 0) { 933 if (nvlist_add_uint64(props, 934 zfs_prop_to_name(resv_prop), volsize) != 0) { 935 nvlist_free(props); 936 nomem(); 937 } 938 } 939 } 940 941 if (parents && zfs_name_valid(argv[0], type)) { 942 /* 943 * Now create the ancestors of target dataset. If the target 944 * already exists and '-p' option was used we should not 945 * complain. 946 */ 947 if (zfs_dataset_exists(g_zfs, argv[0], type)) { 948 ret = 0; 949 goto error; 950 } 951 if (zfs_create_ancestors(g_zfs, argv[0]) != 0) 952 goto error; 953 } 954 955 /* pass to libzfs */ 956 if (zfs_create(g_zfs, argv[0], type, props) != 0) 957 goto error; 958 959 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) 960 goto error; 961 962 ret = 0; 963 964 /* 965 * Mount and/or share the new filesystem as appropriate. We provide a 966 * verbose error message to let the user know that their filesystem was 967 * in fact created, even if we failed to mount or share it. 968 * If the user doesn't want the dataset automatically mounted, 969 * then skip the mount/share step altogether. 970 */ 971 if (should_auto_mount(zhp)) { 972 if (zfs_mount(zhp, NULL, 0) != 0) { 973 (void) fprintf(stderr, gettext("filesystem " 974 "successfully created, but not mounted\n")); 975 ret = 1; 976 } else if (zfs_share(zhp) != 0) { 977 (void) fprintf(stderr, gettext("filesystem " 978 "successfully created, but not shared\n")); 979 ret = 1; 980 } 981 } 982 983 error: 984 if (zhp) 985 zfs_close(zhp); 986 nvlist_free(props); 987 return (ret); 988 badusage: 989 nvlist_free(props); 990 usage(B_FALSE); 991 return (2); 992 } 993 994 /* 995 * zfs destroy [-rRf] <fs, vol> 996 * zfs destroy [-rRd] <snap> 997 * 998 * -r Recursively destroy all children 999 * -R Recursively destroy all dependents, including clones 1000 * -f Force unmounting of any dependents 1001 * -d If we can't destroy now, mark for deferred destruction 1002 * 1003 * Destroys the given dataset. By default, it will unmount any filesystems, 1004 * and refuse to destroy a dataset that has any dependents. A dependent can 1005 * either be a child, or a clone of a child. 1006 */ 1007 typedef struct destroy_cbdata { 1008 boolean_t cb_first; 1009 boolean_t cb_force; 1010 boolean_t cb_recurse; 1011 boolean_t cb_error; 1012 boolean_t cb_doclones; 1013 zfs_handle_t *cb_target; 1014 boolean_t cb_defer_destroy; 1015 boolean_t cb_verbose; 1016 boolean_t cb_parsable; 1017 boolean_t cb_dryrun; 1018 nvlist_t *cb_nvl; 1019 nvlist_t *cb_batchedsnaps; 1020 1021 /* first snap in contiguous run */ 1022 char *cb_firstsnap; 1023 /* previous snap in contiguous run */ 1024 char *cb_prevsnap; 1025 int64_t cb_snapused; 1026 char *cb_snapspec; 1027 char *cb_bookmark; 1028 } destroy_cbdata_t; 1029 1030 /* 1031 * Check for any dependents based on the '-r' or '-R' flags. 1032 */ 1033 static int 1034 destroy_check_dependent(zfs_handle_t *zhp, void *data) 1035 { 1036 destroy_cbdata_t *cbp = data; 1037 const char *tname = zfs_get_name(cbp->cb_target); 1038 const char *name = zfs_get_name(zhp); 1039 1040 if (strncmp(tname, name, strlen(tname)) == 0 && 1041 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) { 1042 /* 1043 * This is a direct descendant, not a clone somewhere else in 1044 * the hierarchy. 1045 */ 1046 if (cbp->cb_recurse) 1047 goto out; 1048 1049 if (cbp->cb_first) { 1050 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1051 "%s has children\n"), 1052 zfs_get_name(cbp->cb_target), 1053 zfs_type_to_name(zfs_get_type(cbp->cb_target))); 1054 (void) fprintf(stderr, gettext("use '-r' to destroy " 1055 "the following datasets:\n")); 1056 cbp->cb_first = B_FALSE; 1057 cbp->cb_error = B_TRUE; 1058 } 1059 1060 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 1061 } else { 1062 /* 1063 * This is a clone. We only want to report this if the '-r' 1064 * wasn't specified, or the target is a snapshot. 1065 */ 1066 if (!cbp->cb_recurse && 1067 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT) 1068 goto out; 1069 1070 if (cbp->cb_first) { 1071 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1072 "%s has dependent clones\n"), 1073 zfs_get_name(cbp->cb_target), 1074 zfs_type_to_name(zfs_get_type(cbp->cb_target))); 1075 (void) fprintf(stderr, gettext("use '-R' to destroy " 1076 "the following datasets:\n")); 1077 cbp->cb_first = B_FALSE; 1078 cbp->cb_error = B_TRUE; 1079 cbp->cb_dryrun = B_TRUE; 1080 } 1081 1082 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 1083 } 1084 1085 out: 1086 zfs_close(zhp); 1087 return (0); 1088 } 1089 1090 static int 1091 destroy_callback(zfs_handle_t *zhp, void *data) 1092 { 1093 destroy_cbdata_t *cb = data; 1094 const char *name = zfs_get_name(zhp); 1095 1096 if (cb->cb_verbose) { 1097 if (cb->cb_parsable) { 1098 (void) printf("destroy\t%s\n", name); 1099 } else if (cb->cb_dryrun) { 1100 (void) printf(gettext("would destroy %s\n"), 1101 name); 1102 } else { 1103 (void) printf(gettext("will destroy %s\n"), 1104 name); 1105 } 1106 } 1107 1108 /* 1109 * Ignore pools (which we've already flagged as an error before getting 1110 * here). 1111 */ 1112 if (strchr(zfs_get_name(zhp), '/') == NULL && 1113 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { 1114 zfs_close(zhp); 1115 return (0); 1116 } 1117 if (cb->cb_dryrun) { 1118 zfs_close(zhp); 1119 return (0); 1120 } 1121 1122 /* 1123 * We batch up all contiguous snapshots (even of different 1124 * filesystems) and destroy them with one ioctl. We can't 1125 * simply do all snap deletions and then all fs deletions, 1126 * because we must delete a clone before its origin. 1127 */ 1128 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) { 1129 fnvlist_add_boolean(cb->cb_batchedsnaps, name); 1130 } else { 1131 int error = zfs_destroy_snaps_nvl(g_zfs, 1132 cb->cb_batchedsnaps, B_FALSE); 1133 fnvlist_free(cb->cb_batchedsnaps); 1134 cb->cb_batchedsnaps = fnvlist_alloc(); 1135 1136 if (error != 0 || 1137 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 || 1138 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) { 1139 zfs_close(zhp); 1140 return (-1); 1141 } 1142 } 1143 1144 zfs_close(zhp); 1145 return (0); 1146 } 1147 1148 static int 1149 destroy_print_cb(zfs_handle_t *zhp, void *arg) 1150 { 1151 destroy_cbdata_t *cb = arg; 1152 const char *name = zfs_get_name(zhp); 1153 int err = 0; 1154 1155 if (nvlist_exists(cb->cb_nvl, name)) { 1156 if (cb->cb_firstsnap == NULL) 1157 cb->cb_firstsnap = strdup(name); 1158 if (cb->cb_prevsnap != NULL) 1159 free(cb->cb_prevsnap); 1160 /* this snap continues the current range */ 1161 cb->cb_prevsnap = strdup(name); 1162 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL) 1163 nomem(); 1164 if (cb->cb_verbose) { 1165 if (cb->cb_parsable) { 1166 (void) printf("destroy\t%s\n", name); 1167 } else if (cb->cb_dryrun) { 1168 (void) printf(gettext("would destroy %s\n"), 1169 name); 1170 } else { 1171 (void) printf(gettext("will destroy %s\n"), 1172 name); 1173 } 1174 } 1175 } else if (cb->cb_firstsnap != NULL) { 1176 /* end of this range */ 1177 uint64_t used = 0; 1178 err = lzc_snaprange_space(cb->cb_firstsnap, 1179 cb->cb_prevsnap, &used); 1180 cb->cb_snapused += used; 1181 free(cb->cb_firstsnap); 1182 cb->cb_firstsnap = NULL; 1183 free(cb->cb_prevsnap); 1184 cb->cb_prevsnap = NULL; 1185 } 1186 zfs_close(zhp); 1187 return (err); 1188 } 1189 1190 static int 1191 destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb) 1192 { 1193 int err = 0; 1194 assert(cb->cb_firstsnap == NULL); 1195 assert(cb->cb_prevsnap == NULL); 1196 err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb); 1197 if (cb->cb_firstsnap != NULL) { 1198 uint64_t used = 0; 1199 if (err == 0) { 1200 err = lzc_snaprange_space(cb->cb_firstsnap, 1201 cb->cb_prevsnap, &used); 1202 } 1203 cb->cb_snapused += used; 1204 free(cb->cb_firstsnap); 1205 cb->cb_firstsnap = NULL; 1206 free(cb->cb_prevsnap); 1207 cb->cb_prevsnap = NULL; 1208 } 1209 return (err); 1210 } 1211 1212 static int 1213 snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg) 1214 { 1215 destroy_cbdata_t *cb = arg; 1216 int err = 0; 1217 1218 /* Check for clones. */ 1219 if (!cb->cb_doclones && !cb->cb_defer_destroy) { 1220 cb->cb_target = zhp; 1221 cb->cb_first = B_TRUE; 1222 err = zfs_iter_dependents(zhp, B_TRUE, 1223 destroy_check_dependent, cb); 1224 } 1225 1226 if (err == 0) { 1227 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp))) 1228 nomem(); 1229 } 1230 zfs_close(zhp); 1231 return (err); 1232 } 1233 1234 static int 1235 gather_snapshots(zfs_handle_t *zhp, void *arg) 1236 { 1237 destroy_cbdata_t *cb = arg; 1238 int err = 0; 1239 1240 err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb); 1241 if (err == ENOENT) 1242 err = 0; 1243 if (err != 0) 1244 goto out; 1245 1246 if (cb->cb_verbose) { 1247 err = destroy_print_snapshots(zhp, cb); 1248 if (err != 0) 1249 goto out; 1250 } 1251 1252 if (cb->cb_recurse) 1253 err = zfs_iter_filesystems(zhp, gather_snapshots, cb); 1254 1255 out: 1256 zfs_close(zhp); 1257 return (err); 1258 } 1259 1260 static int 1261 destroy_clones(destroy_cbdata_t *cb) 1262 { 1263 nvpair_t *pair; 1264 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL); 1265 pair != NULL; 1266 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) { 1267 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair), 1268 ZFS_TYPE_SNAPSHOT); 1269 if (zhp != NULL) { 1270 boolean_t defer = cb->cb_defer_destroy; 1271 int err = 0; 1272 1273 /* 1274 * We can't defer destroy non-snapshots, so set it to 1275 * false while destroying the clones. 1276 */ 1277 cb->cb_defer_destroy = B_FALSE; 1278 err = zfs_iter_dependents(zhp, B_FALSE, 1279 destroy_callback, cb); 1280 cb->cb_defer_destroy = defer; 1281 zfs_close(zhp); 1282 if (err != 0) 1283 return (err); 1284 } 1285 } 1286 return (0); 1287 } 1288 1289 static int 1290 zfs_do_destroy(int argc, char **argv) 1291 { 1292 destroy_cbdata_t cb = { 0 }; 1293 int rv = 0; 1294 int err = 0; 1295 int c; 1296 zfs_handle_t *zhp = NULL; 1297 char *at, *pound; 1298 zfs_type_t type = ZFS_TYPE_DATASET; 1299 1300 /* check options */ 1301 while ((c = getopt(argc, argv, "vpndfrR")) != -1) { 1302 switch (c) { 1303 case 'v': 1304 cb.cb_verbose = B_TRUE; 1305 break; 1306 case 'p': 1307 cb.cb_verbose = B_TRUE; 1308 cb.cb_parsable = B_TRUE; 1309 break; 1310 case 'n': 1311 cb.cb_dryrun = B_TRUE; 1312 break; 1313 case 'd': 1314 cb.cb_defer_destroy = B_TRUE; 1315 type = ZFS_TYPE_SNAPSHOT; 1316 break; 1317 case 'f': 1318 cb.cb_force = B_TRUE; 1319 break; 1320 case 'r': 1321 cb.cb_recurse = B_TRUE; 1322 break; 1323 case 'R': 1324 cb.cb_recurse = B_TRUE; 1325 cb.cb_doclones = B_TRUE; 1326 break; 1327 case '?': 1328 default: 1329 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1330 optopt); 1331 usage(B_FALSE); 1332 } 1333 } 1334 1335 argc -= optind; 1336 argv += optind; 1337 1338 /* check number of arguments */ 1339 if (argc == 0) { 1340 (void) fprintf(stderr, gettext("missing dataset argument\n")); 1341 usage(B_FALSE); 1342 } 1343 if (argc > 1) { 1344 (void) fprintf(stderr, gettext("too many arguments\n")); 1345 usage(B_FALSE); 1346 } 1347 1348 at = strchr(argv[0], '@'); 1349 pound = strchr(argv[0], '#'); 1350 if (at != NULL) { 1351 1352 /* Build the list of snaps to destroy in cb_nvl. */ 1353 cb.cb_nvl = fnvlist_alloc(); 1354 1355 *at = '\0'; 1356 zhp = zfs_open(g_zfs, argv[0], 1357 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 1358 if (zhp == NULL) 1359 return (1); 1360 1361 cb.cb_snapspec = at + 1; 1362 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 || 1363 cb.cb_error) { 1364 rv = 1; 1365 goto out; 1366 } 1367 1368 if (nvlist_empty(cb.cb_nvl)) { 1369 (void) fprintf(stderr, gettext("could not find any " 1370 "snapshots to destroy; check snapshot names.\n")); 1371 rv = 1; 1372 goto out; 1373 } 1374 1375 if (cb.cb_verbose) { 1376 char buf[16]; 1377 zfs_nicenum(cb.cb_snapused, buf, sizeof (buf)); 1378 if (cb.cb_parsable) { 1379 (void) printf("reclaim\t%llu\n", 1380 cb.cb_snapused); 1381 } else if (cb.cb_dryrun) { 1382 (void) printf(gettext("would reclaim %s\n"), 1383 buf); 1384 } else { 1385 (void) printf(gettext("will reclaim %s\n"), 1386 buf); 1387 } 1388 } 1389 1390 if (!cb.cb_dryrun) { 1391 if (cb.cb_doclones) { 1392 cb.cb_batchedsnaps = fnvlist_alloc(); 1393 err = destroy_clones(&cb); 1394 if (err == 0) { 1395 err = zfs_destroy_snaps_nvl(g_zfs, 1396 cb.cb_batchedsnaps, B_FALSE); 1397 } 1398 if (err != 0) { 1399 rv = 1; 1400 goto out; 1401 } 1402 } 1403 if (err == 0) { 1404 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl, 1405 cb.cb_defer_destroy); 1406 } 1407 } 1408 1409 if (err != 0) 1410 rv = 1; 1411 } else if (pound != NULL) { 1412 int err; 1413 nvlist_t *nvl; 1414 1415 if (cb.cb_dryrun) { 1416 (void) fprintf(stderr, 1417 "dryrun is not supported with bookmark\n"); 1418 return (-1); 1419 } 1420 1421 if (cb.cb_defer_destroy) { 1422 (void) fprintf(stderr, 1423 "defer destroy is not supported with bookmark\n"); 1424 return (-1); 1425 } 1426 1427 if (cb.cb_recurse) { 1428 (void) fprintf(stderr, 1429 "recursive is not supported with bookmark\n"); 1430 return (-1); 1431 } 1432 1433 if (!zfs_bookmark_exists(argv[0])) { 1434 (void) fprintf(stderr, gettext("bookmark '%s' " 1435 "does not exist.\n"), argv[0]); 1436 return (1); 1437 } 1438 1439 nvl = fnvlist_alloc(); 1440 fnvlist_add_boolean(nvl, argv[0]); 1441 1442 err = lzc_destroy_bookmarks(nvl, NULL); 1443 if (err != 0) { 1444 (void) zfs_standard_error(g_zfs, err, 1445 "cannot destroy bookmark"); 1446 } 1447 1448 nvlist_free(cb.cb_nvl); 1449 1450 return (err); 1451 } else { 1452 /* Open the given dataset */ 1453 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL) 1454 return (1); 1455 1456 cb.cb_target = zhp; 1457 1458 /* 1459 * Perform an explicit check for pools before going any further. 1460 */ 1461 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL && 1462 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { 1463 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1464 "operation does not apply to pools\n"), 1465 zfs_get_name(zhp)); 1466 (void) fprintf(stderr, gettext("use 'zfs destroy -r " 1467 "%s' to destroy all datasets in the pool\n"), 1468 zfs_get_name(zhp)); 1469 (void) fprintf(stderr, gettext("use 'zpool destroy %s' " 1470 "to destroy the pool itself\n"), zfs_get_name(zhp)); 1471 rv = 1; 1472 goto out; 1473 } 1474 1475 /* 1476 * Check for any dependents and/or clones. 1477 */ 1478 cb.cb_first = B_TRUE; 1479 if (!cb.cb_doclones && 1480 zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent, 1481 &cb) != 0) { 1482 rv = 1; 1483 goto out; 1484 } 1485 1486 if (cb.cb_error) { 1487 rv = 1; 1488 goto out; 1489 } 1490 1491 cb.cb_batchedsnaps = fnvlist_alloc(); 1492 if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback, 1493 &cb) != 0) { 1494 rv = 1; 1495 goto out; 1496 } 1497 1498 /* 1499 * Do the real thing. The callback will close the 1500 * handle regardless of whether it succeeds or not. 1501 */ 1502 err = destroy_callback(zhp, &cb); 1503 zhp = NULL; 1504 if (err == 0) { 1505 err = zfs_destroy_snaps_nvl(g_zfs, 1506 cb.cb_batchedsnaps, cb.cb_defer_destroy); 1507 } 1508 if (err != 0) 1509 rv = 1; 1510 } 1511 1512 out: 1513 fnvlist_free(cb.cb_batchedsnaps); 1514 fnvlist_free(cb.cb_nvl); 1515 if (zhp != NULL) 1516 zfs_close(zhp); 1517 return (rv); 1518 } 1519 1520 static boolean_t 1521 is_recvd_column(zprop_get_cbdata_t *cbp) 1522 { 1523 int i; 1524 zfs_get_column_t col; 1525 1526 for (i = 0; i < ZFS_GET_NCOLS && 1527 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++) 1528 if (col == GET_COL_RECVD) 1529 return (B_TRUE); 1530 return (B_FALSE); 1531 } 1532 1533 /* 1534 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...] 1535 * < all | property[,property]... > < fs | snap | vol > ... 1536 * 1537 * -r recurse over any child datasets 1538 * -H scripted mode. Headers are stripped, and fields are separated 1539 * by tabs instead of spaces. 1540 * -o Set of fields to display. One of "name,property,value, 1541 * received,source". Default is "name,property,value,source". 1542 * "all" is an alias for all five. 1543 * -s Set of sources to allow. One of 1544 * "local,default,inherited,received,temporary,none". Default is 1545 * all six. 1546 * -p Display values in parsable (literal) format. 1547 * 1548 * Prints properties for the given datasets. The user can control which 1549 * columns to display as well as which property types to allow. 1550 */ 1551 1552 /* 1553 * Invoked to display the properties for a single dataset. 1554 */ 1555 static int 1556 get_callback(zfs_handle_t *zhp, void *data) 1557 { 1558 char buf[ZFS_MAXPROPLEN]; 1559 char rbuf[ZFS_MAXPROPLEN]; 1560 zprop_source_t sourcetype; 1561 char source[ZFS_MAX_DATASET_NAME_LEN]; 1562 zprop_get_cbdata_t *cbp = data; 1563 nvlist_t *user_props = zfs_get_user_props(zhp); 1564 zprop_list_t *pl = cbp->cb_proplist; 1565 nvlist_t *propval; 1566 char *strval; 1567 char *sourceval; 1568 boolean_t received = is_recvd_column(cbp); 1569 1570 for (; pl != NULL; pl = pl->pl_next) { 1571 char *recvdval = NULL; 1572 /* 1573 * Skip the special fake placeholder. This will also skip over 1574 * the name property when 'all' is specified. 1575 */ 1576 if (pl->pl_prop == ZFS_PROP_NAME && 1577 pl == cbp->cb_proplist) 1578 continue; 1579 1580 if (pl->pl_prop != ZPROP_INVAL) { 1581 if (zfs_prop_get(zhp, pl->pl_prop, buf, 1582 sizeof (buf), &sourcetype, source, 1583 sizeof (source), 1584 cbp->cb_literal) != 0) { 1585 if (pl->pl_all) 1586 continue; 1587 if (!zfs_prop_valid_for_type(pl->pl_prop, 1588 ZFS_TYPE_DATASET)) { 1589 (void) fprintf(stderr, 1590 gettext("No such property '%s'\n"), 1591 zfs_prop_to_name(pl->pl_prop)); 1592 continue; 1593 } 1594 sourcetype = ZPROP_SRC_NONE; 1595 (void) strlcpy(buf, "-", sizeof (buf)); 1596 } 1597 1598 if (received && (zfs_prop_get_recvd(zhp, 1599 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf), 1600 cbp->cb_literal) == 0)) 1601 recvdval = rbuf; 1602 1603 zprop_print_one_property(zfs_get_name(zhp), cbp, 1604 zfs_prop_to_name(pl->pl_prop), 1605 buf, sourcetype, source, recvdval); 1606 } else if (zfs_prop_userquota(pl->pl_user_prop)) { 1607 sourcetype = ZPROP_SRC_LOCAL; 1608 1609 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, 1610 buf, sizeof (buf), cbp->cb_literal) != 0) { 1611 sourcetype = ZPROP_SRC_NONE; 1612 (void) strlcpy(buf, "-", sizeof (buf)); 1613 } 1614 1615 zprop_print_one_property(zfs_get_name(zhp), cbp, 1616 pl->pl_user_prop, buf, sourcetype, source, NULL); 1617 } else if (zfs_prop_written(pl->pl_user_prop)) { 1618 sourcetype = ZPROP_SRC_LOCAL; 1619 1620 if (zfs_prop_get_written(zhp, pl->pl_user_prop, 1621 buf, sizeof (buf), cbp->cb_literal) != 0) { 1622 sourcetype = ZPROP_SRC_NONE; 1623 (void) strlcpy(buf, "-", sizeof (buf)); 1624 } 1625 1626 zprop_print_one_property(zfs_get_name(zhp), cbp, 1627 pl->pl_user_prop, buf, sourcetype, source, NULL); 1628 } else { 1629 if (nvlist_lookup_nvlist(user_props, 1630 pl->pl_user_prop, &propval) != 0) { 1631 if (pl->pl_all) 1632 continue; 1633 sourcetype = ZPROP_SRC_NONE; 1634 strval = "-"; 1635 } else { 1636 verify(nvlist_lookup_string(propval, 1637 ZPROP_VALUE, &strval) == 0); 1638 verify(nvlist_lookup_string(propval, 1639 ZPROP_SOURCE, &sourceval) == 0); 1640 1641 if (strcmp(sourceval, 1642 zfs_get_name(zhp)) == 0) { 1643 sourcetype = ZPROP_SRC_LOCAL; 1644 } else if (strcmp(sourceval, 1645 ZPROP_SOURCE_VAL_RECVD) == 0) { 1646 sourcetype = ZPROP_SRC_RECEIVED; 1647 } else { 1648 sourcetype = ZPROP_SRC_INHERITED; 1649 (void) strlcpy(source, 1650 sourceval, sizeof (source)); 1651 } 1652 } 1653 1654 if (received && (zfs_prop_get_recvd(zhp, 1655 pl->pl_user_prop, rbuf, sizeof (rbuf), 1656 cbp->cb_literal) == 0)) 1657 recvdval = rbuf; 1658 1659 zprop_print_one_property(zfs_get_name(zhp), cbp, 1660 pl->pl_user_prop, strval, sourcetype, 1661 source, recvdval); 1662 } 1663 } 1664 1665 return (0); 1666 } 1667 1668 static int 1669 zfs_do_get(int argc, char **argv) 1670 { 1671 zprop_get_cbdata_t cb = { 0 }; 1672 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS; 1673 int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK; 1674 char *value, *fields; 1675 int ret = 0; 1676 int limit = 0; 1677 zprop_list_t fake_name = { 0 }; 1678 1679 /* 1680 * Set up default columns and sources. 1681 */ 1682 cb.cb_sources = ZPROP_SRC_ALL; 1683 cb.cb_columns[0] = GET_COL_NAME; 1684 cb.cb_columns[1] = GET_COL_PROPERTY; 1685 cb.cb_columns[2] = GET_COL_VALUE; 1686 cb.cb_columns[3] = GET_COL_SOURCE; 1687 cb.cb_type = ZFS_TYPE_DATASET; 1688 1689 /* check options */ 1690 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) { 1691 switch (c) { 1692 case 'p': 1693 cb.cb_literal = B_TRUE; 1694 break; 1695 case 'd': 1696 limit = parse_depth(optarg, &flags); 1697 break; 1698 case 'r': 1699 flags |= ZFS_ITER_RECURSE; 1700 break; 1701 case 'H': 1702 cb.cb_scripted = B_TRUE; 1703 break; 1704 case ':': 1705 (void) fprintf(stderr, gettext("missing argument for " 1706 "'%c' option\n"), optopt); 1707 usage(B_FALSE); 1708 break; 1709 case 'o': 1710 /* 1711 * Process the set of columns to display. We zero out 1712 * the structure to give us a blank slate. 1713 */ 1714 bzero(&cb.cb_columns, sizeof (cb.cb_columns)); 1715 i = 0; 1716 while (*optarg != '\0') { 1717 static char *col_subopts[] = 1718 { "name", "property", "value", "received", 1719 "source", "all", NULL }; 1720 1721 if (i == ZFS_GET_NCOLS) { 1722 (void) fprintf(stderr, gettext("too " 1723 "many fields given to -o " 1724 "option\n")); 1725 usage(B_FALSE); 1726 } 1727 1728 switch (getsubopt(&optarg, col_subopts, 1729 &value)) { 1730 case 0: 1731 cb.cb_columns[i++] = GET_COL_NAME; 1732 break; 1733 case 1: 1734 cb.cb_columns[i++] = GET_COL_PROPERTY; 1735 break; 1736 case 2: 1737 cb.cb_columns[i++] = GET_COL_VALUE; 1738 break; 1739 case 3: 1740 cb.cb_columns[i++] = GET_COL_RECVD; 1741 flags |= ZFS_ITER_RECVD_PROPS; 1742 break; 1743 case 4: 1744 cb.cb_columns[i++] = GET_COL_SOURCE; 1745 break; 1746 case 5: 1747 if (i > 0) { 1748 (void) fprintf(stderr, 1749 gettext("\"all\" conflicts " 1750 "with specific fields " 1751 "given to -o option\n")); 1752 usage(B_FALSE); 1753 } 1754 cb.cb_columns[0] = GET_COL_NAME; 1755 cb.cb_columns[1] = GET_COL_PROPERTY; 1756 cb.cb_columns[2] = GET_COL_VALUE; 1757 cb.cb_columns[3] = GET_COL_RECVD; 1758 cb.cb_columns[4] = GET_COL_SOURCE; 1759 flags |= ZFS_ITER_RECVD_PROPS; 1760 i = ZFS_GET_NCOLS; 1761 break; 1762 default: 1763 (void) fprintf(stderr, 1764 gettext("invalid column name " 1765 "'%s'\n"), value); 1766 usage(B_FALSE); 1767 } 1768 } 1769 break; 1770 1771 case 's': 1772 cb.cb_sources = 0; 1773 while (*optarg != '\0') { 1774 static char *source_subopts[] = { 1775 "local", "default", "inherited", 1776 "received", "temporary", "none", 1777 NULL }; 1778 1779 switch (getsubopt(&optarg, source_subopts, 1780 &value)) { 1781 case 0: 1782 cb.cb_sources |= ZPROP_SRC_LOCAL; 1783 break; 1784 case 1: 1785 cb.cb_sources |= ZPROP_SRC_DEFAULT; 1786 break; 1787 case 2: 1788 cb.cb_sources |= ZPROP_SRC_INHERITED; 1789 break; 1790 case 3: 1791 cb.cb_sources |= ZPROP_SRC_RECEIVED; 1792 break; 1793 case 4: 1794 cb.cb_sources |= ZPROP_SRC_TEMPORARY; 1795 break; 1796 case 5: 1797 cb.cb_sources |= ZPROP_SRC_NONE; 1798 break; 1799 default: 1800 (void) fprintf(stderr, 1801 gettext("invalid source " 1802 "'%s'\n"), value); 1803 usage(B_FALSE); 1804 } 1805 } 1806 break; 1807 1808 case 't': 1809 types = 0; 1810 flags &= ~ZFS_ITER_PROP_LISTSNAPS; 1811 while (*optarg != '\0') { 1812 static char *type_subopts[] = { "filesystem", 1813 "volume", "snapshot", "bookmark", 1814 "all", NULL }; 1815 1816 switch (getsubopt(&optarg, type_subopts, 1817 &value)) { 1818 case 0: 1819 types |= ZFS_TYPE_FILESYSTEM; 1820 break; 1821 case 1: 1822 types |= ZFS_TYPE_VOLUME; 1823 break; 1824 case 2: 1825 types |= ZFS_TYPE_SNAPSHOT; 1826 break; 1827 case 3: 1828 types |= ZFS_TYPE_BOOKMARK; 1829 break; 1830 case 4: 1831 types = ZFS_TYPE_DATASET | 1832 ZFS_TYPE_BOOKMARK; 1833 break; 1834 1835 default: 1836 (void) fprintf(stderr, 1837 gettext("invalid type '%s'\n"), 1838 value); 1839 usage(B_FALSE); 1840 } 1841 } 1842 break; 1843 1844 case '?': 1845 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1846 optopt); 1847 usage(B_FALSE); 1848 } 1849 } 1850 1851 argc -= optind; 1852 argv += optind; 1853 1854 if (argc < 1) { 1855 (void) fprintf(stderr, gettext("missing property " 1856 "argument\n")); 1857 usage(B_FALSE); 1858 } 1859 1860 fields = argv[0]; 1861 1862 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) 1863 != 0) 1864 usage(B_FALSE); 1865 1866 argc--; 1867 argv++; 1868 1869 /* 1870 * As part of zfs_expand_proplist(), we keep track of the maximum column 1871 * width for each property. For the 'NAME' (and 'SOURCE') columns, we 1872 * need to know the maximum name length. However, the user likely did 1873 * not specify 'name' as one of the properties to fetch, so we need to 1874 * make sure we always include at least this property for 1875 * print_get_headers() to work properly. 1876 */ 1877 if (cb.cb_proplist != NULL) { 1878 fake_name.pl_prop = ZFS_PROP_NAME; 1879 fake_name.pl_width = strlen(gettext("NAME")); 1880 fake_name.pl_next = cb.cb_proplist; 1881 cb.cb_proplist = &fake_name; 1882 } 1883 1884 cb.cb_first = B_TRUE; 1885 1886 /* run for each object */ 1887 ret = zfs_for_each(argc, argv, flags, types, NULL, 1888 &cb.cb_proplist, limit, get_callback, &cb); 1889 1890 if (cb.cb_proplist == &fake_name) 1891 zprop_free_list(fake_name.pl_next); 1892 else 1893 zprop_free_list(cb.cb_proplist); 1894 1895 return (ret); 1896 } 1897 1898 /* 1899 * inherit [-rS] <property> <fs|vol> ... 1900 * 1901 * -r Recurse over all children 1902 * -S Revert to received value, if any 1903 * 1904 * For each dataset specified on the command line, inherit the given property 1905 * from its parent. Inheriting a property at the pool level will cause it to 1906 * use the default value. The '-r' flag will recurse over all children, and is 1907 * useful for setting a property on a hierarchy-wide basis, regardless of any 1908 * local modifications for each dataset. 1909 */ 1910 1911 typedef struct inherit_cbdata { 1912 const char *cb_propname; 1913 boolean_t cb_received; 1914 } inherit_cbdata_t; 1915 1916 static int 1917 inherit_recurse_cb(zfs_handle_t *zhp, void *data) 1918 { 1919 inherit_cbdata_t *cb = data; 1920 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname); 1921 1922 /* 1923 * If we're doing it recursively, then ignore properties that 1924 * are not valid for this type of dataset. 1925 */ 1926 if (prop != ZPROP_INVAL && 1927 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp))) 1928 return (0); 1929 1930 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); 1931 } 1932 1933 static int 1934 inherit_cb(zfs_handle_t *zhp, void *data) 1935 { 1936 inherit_cbdata_t *cb = data; 1937 1938 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); 1939 } 1940 1941 static int 1942 zfs_do_inherit(int argc, char **argv) 1943 { 1944 int c; 1945 zfs_prop_t prop; 1946 inherit_cbdata_t cb = { 0 }; 1947 char *propname; 1948 int ret = 0; 1949 int flags = 0; 1950 boolean_t received = B_FALSE; 1951 1952 /* check options */ 1953 while ((c = getopt(argc, argv, "rS")) != -1) { 1954 switch (c) { 1955 case 'r': 1956 flags |= ZFS_ITER_RECURSE; 1957 break; 1958 case 'S': 1959 received = B_TRUE; 1960 break; 1961 case '?': 1962 default: 1963 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1964 optopt); 1965 usage(B_FALSE); 1966 } 1967 } 1968 1969 argc -= optind; 1970 argv += optind; 1971 1972 /* check number of arguments */ 1973 if (argc < 1) { 1974 (void) fprintf(stderr, gettext("missing property argument\n")); 1975 usage(B_FALSE); 1976 } 1977 if (argc < 2) { 1978 (void) fprintf(stderr, gettext("missing dataset argument\n")); 1979 usage(B_FALSE); 1980 } 1981 1982 propname = argv[0]; 1983 argc--; 1984 argv++; 1985 1986 if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 1987 if (zfs_prop_readonly(prop)) { 1988 (void) fprintf(stderr, gettext( 1989 "%s property is read-only\n"), 1990 propname); 1991 return (1); 1992 } 1993 if (!zfs_prop_inheritable(prop) && !received) { 1994 (void) fprintf(stderr, gettext("'%s' property cannot " 1995 "be inherited\n"), propname); 1996 if (prop == ZFS_PROP_QUOTA || 1997 prop == ZFS_PROP_RESERVATION || 1998 prop == ZFS_PROP_REFQUOTA || 1999 prop == ZFS_PROP_REFRESERVATION) { 2000 (void) fprintf(stderr, gettext("use 'zfs set " 2001 "%s=none' to clear\n"), propname); 2002 (void) fprintf(stderr, gettext("use 'zfs " 2003 "inherit -S %s' to revert to received " 2004 "value\n"), propname); 2005 } 2006 return (1); 2007 } 2008 if (received && (prop == ZFS_PROP_VOLSIZE || 2009 prop == ZFS_PROP_VERSION)) { 2010 (void) fprintf(stderr, gettext("'%s' property cannot " 2011 "be reverted to a received value\n"), propname); 2012 return (1); 2013 } 2014 } else if (!zfs_prop_user(propname)) { 2015 (void) fprintf(stderr, gettext("invalid property '%s'\n"), 2016 propname); 2017 usage(B_FALSE); 2018 } 2019 2020 cb.cb_propname = propname; 2021 cb.cb_received = received; 2022 2023 if (flags & ZFS_ITER_RECURSE) { 2024 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, 2025 NULL, NULL, 0, inherit_recurse_cb, &cb); 2026 } else { 2027 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, 2028 NULL, NULL, 0, inherit_cb, &cb); 2029 } 2030 2031 return (ret); 2032 } 2033 2034 typedef struct upgrade_cbdata { 2035 uint64_t cb_numupgraded; 2036 uint64_t cb_numsamegraded; 2037 uint64_t cb_numfailed; 2038 uint64_t cb_version; 2039 boolean_t cb_newer; 2040 boolean_t cb_foundone; 2041 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN]; 2042 } upgrade_cbdata_t; 2043 2044 static int 2045 same_pool(zfs_handle_t *zhp, const char *name) 2046 { 2047 int len1 = strcspn(name, "/@"); 2048 const char *zhname = zfs_get_name(zhp); 2049 int len2 = strcspn(zhname, "/@"); 2050 2051 if (len1 != len2) 2052 return (B_FALSE); 2053 return (strncmp(name, zhname, len1) == 0); 2054 } 2055 2056 static int 2057 upgrade_list_callback(zfs_handle_t *zhp, void *data) 2058 { 2059 upgrade_cbdata_t *cb = data; 2060 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); 2061 2062 /* list if it's old/new */ 2063 if ((!cb->cb_newer && version < ZPL_VERSION) || 2064 (cb->cb_newer && version > ZPL_VERSION)) { 2065 char *str; 2066 if (cb->cb_newer) { 2067 str = gettext("The following filesystems are " 2068 "formatted using a newer software version and\n" 2069 "cannot be accessed on the current system.\n\n"); 2070 } else { 2071 str = gettext("The following filesystems are " 2072 "out of date, and can be upgraded. After being\n" 2073 "upgraded, these filesystems (and any 'zfs send' " 2074 "streams generated from\n" 2075 "subsequent snapshots) will no longer be " 2076 "accessible by older software versions.\n\n"); 2077 } 2078 2079 if (!cb->cb_foundone) { 2080 (void) puts(str); 2081 (void) printf(gettext("VER FILESYSTEM\n")); 2082 (void) printf(gettext("--- ------------\n")); 2083 cb->cb_foundone = B_TRUE; 2084 } 2085 2086 (void) printf("%2u %s\n", version, zfs_get_name(zhp)); 2087 } 2088 2089 return (0); 2090 } 2091 2092 static int 2093 upgrade_set_callback(zfs_handle_t *zhp, void *data) 2094 { 2095 upgrade_cbdata_t *cb = data; 2096 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); 2097 int needed_spa_version; 2098 int spa_version; 2099 2100 if (zfs_spa_version(zhp, &spa_version) < 0) 2101 return (-1); 2102 2103 needed_spa_version = zfs_spa_version_map(cb->cb_version); 2104 2105 if (needed_spa_version < 0) 2106 return (-1); 2107 2108 if (spa_version < needed_spa_version) { 2109 /* can't upgrade */ 2110 (void) printf(gettext("%s: can not be " 2111 "upgraded; the pool version needs to first " 2112 "be upgraded\nto version %d\n\n"), 2113 zfs_get_name(zhp), needed_spa_version); 2114 cb->cb_numfailed++; 2115 return (0); 2116 } 2117 2118 /* upgrade */ 2119 if (version < cb->cb_version) { 2120 char verstr[16]; 2121 (void) snprintf(verstr, sizeof (verstr), 2122 "%llu", cb->cb_version); 2123 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) { 2124 /* 2125 * If they did "zfs upgrade -a", then we could 2126 * be doing ioctls to different pools. We need 2127 * to log this history once to each pool, and bypass 2128 * the normal history logging that happens in main(). 2129 */ 2130 (void) zpool_log_history(g_zfs, history_str); 2131 log_history = B_FALSE; 2132 } 2133 if (zfs_prop_set(zhp, "version", verstr) == 0) 2134 cb->cb_numupgraded++; 2135 else 2136 cb->cb_numfailed++; 2137 (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp)); 2138 } else if (version > cb->cb_version) { 2139 /* can't downgrade */ 2140 (void) printf(gettext("%s: can not be downgraded; " 2141 "it is already at version %u\n"), 2142 zfs_get_name(zhp), version); 2143 cb->cb_numfailed++; 2144 } else { 2145 cb->cb_numsamegraded++; 2146 } 2147 return (0); 2148 } 2149 2150 /* 2151 * zfs upgrade 2152 * zfs upgrade -v 2153 * zfs upgrade [-r] [-V <version>] <-a | filesystem> 2154 */ 2155 static int 2156 zfs_do_upgrade(int argc, char **argv) 2157 { 2158 boolean_t all = B_FALSE; 2159 boolean_t showversions = B_FALSE; 2160 int ret = 0; 2161 upgrade_cbdata_t cb = { 0 }; 2162 char c; 2163 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS; 2164 2165 /* check options */ 2166 while ((c = getopt(argc, argv, "rvV:a")) != -1) { 2167 switch (c) { 2168 case 'r': 2169 flags |= ZFS_ITER_RECURSE; 2170 break; 2171 case 'v': 2172 showversions = B_TRUE; 2173 break; 2174 case 'V': 2175 if (zfs_prop_string_to_index(ZFS_PROP_VERSION, 2176 optarg, &cb.cb_version) != 0) { 2177 (void) fprintf(stderr, 2178 gettext("invalid version %s\n"), optarg); 2179 usage(B_FALSE); 2180 } 2181 break; 2182 case 'a': 2183 all = B_TRUE; 2184 break; 2185 case '?': 2186 default: 2187 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2188 optopt); 2189 usage(B_FALSE); 2190 } 2191 } 2192 2193 argc -= optind; 2194 argv += optind; 2195 2196 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version)) 2197 usage(B_FALSE); 2198 if (showversions && (flags & ZFS_ITER_RECURSE || all || 2199 cb.cb_version || argc)) 2200 usage(B_FALSE); 2201 if ((all || argc) && (showversions)) 2202 usage(B_FALSE); 2203 if (all && argc) 2204 usage(B_FALSE); 2205 2206 if (showversions) { 2207 /* Show info on available versions. */ 2208 (void) printf(gettext("The following filesystem versions are " 2209 "supported:\n\n")); 2210 (void) printf(gettext("VER DESCRIPTION\n")); 2211 (void) printf("--- -----------------------------------------" 2212 "---------------\n"); 2213 (void) printf(gettext(" 1 Initial ZFS filesystem version\n")); 2214 (void) printf(gettext(" 2 Enhanced directory entries\n")); 2215 (void) printf(gettext(" 3 Case insensitive and filesystem " 2216 "user identifier (FUID)\n")); 2217 (void) printf(gettext(" 4 userquota, groupquota " 2218 "properties\n")); 2219 (void) printf(gettext(" 5 System attributes\n")); 2220 (void) printf(gettext("\nFor more information on a particular " 2221 "version, including supported releases,\n")); 2222 (void) printf("see the ZFS Administration Guide.\n\n"); 2223 ret = 0; 2224 } else if (argc || all) { 2225 /* Upgrade filesystems */ 2226 if (cb.cb_version == 0) 2227 cb.cb_version = ZPL_VERSION; 2228 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM, 2229 NULL, NULL, 0, upgrade_set_callback, &cb); 2230 (void) printf(gettext("%llu filesystems upgraded\n"), 2231 cb.cb_numupgraded); 2232 if (cb.cb_numsamegraded) { 2233 (void) printf(gettext("%llu filesystems already at " 2234 "this version\n"), 2235 cb.cb_numsamegraded); 2236 } 2237 if (cb.cb_numfailed != 0) 2238 ret = 1; 2239 } else { 2240 /* List old-version filesystems */ 2241 boolean_t found; 2242 (void) printf(gettext("This system is currently running " 2243 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION); 2244 2245 flags |= ZFS_ITER_RECURSE; 2246 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, 2247 NULL, NULL, 0, upgrade_list_callback, &cb); 2248 2249 found = cb.cb_foundone; 2250 cb.cb_foundone = B_FALSE; 2251 cb.cb_newer = B_TRUE; 2252 2253 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, 2254 NULL, NULL, 0, upgrade_list_callback, &cb); 2255 2256 if (!cb.cb_foundone && !found) { 2257 (void) printf(gettext("All filesystems are " 2258 "formatted with the current version.\n")); 2259 } 2260 } 2261 2262 return (ret); 2263 } 2264 2265 /* 2266 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...] 2267 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot 2268 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...] 2269 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot 2270 * 2271 * -H Scripted mode; elide headers and separate columns by tabs. 2272 * -i Translate SID to POSIX ID. 2273 * -n Print numeric ID instead of user/group name. 2274 * -o Control which fields to display. 2275 * -p Use exact (parsable) numeric output. 2276 * -s Specify sort columns, descending order. 2277 * -S Specify sort columns, ascending order. 2278 * -t Control which object types to display. 2279 * 2280 * Displays space consumed by, and quotas on, each user in the specified 2281 * filesystem or snapshot. 2282 */ 2283 2284 /* us_field_types, us_field_hdr and us_field_names should be kept in sync */ 2285 enum us_field_types { 2286 USFIELD_TYPE, 2287 USFIELD_NAME, 2288 USFIELD_USED, 2289 USFIELD_QUOTA 2290 }; 2291 static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA" }; 2292 static char *us_field_names[] = { "type", "name", "used", "quota" }; 2293 #define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *)) 2294 2295 #define USTYPE_PSX_GRP (1 << 0) 2296 #define USTYPE_PSX_USR (1 << 1) 2297 #define USTYPE_SMB_GRP (1 << 2) 2298 #define USTYPE_SMB_USR (1 << 3) 2299 #define USTYPE_ALL \ 2300 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR) 2301 2302 static int us_type_bits[] = { 2303 USTYPE_PSX_GRP, 2304 USTYPE_PSX_USR, 2305 USTYPE_SMB_GRP, 2306 USTYPE_SMB_USR, 2307 USTYPE_ALL 2308 }; 2309 static char *us_type_names[] = { "posixgroup", "posixuser", "smbgroup", 2310 "smbuser", "all" }; 2311 2312 typedef struct us_node { 2313 nvlist_t *usn_nvl; 2314 uu_avl_node_t usn_avlnode; 2315 uu_list_node_t usn_listnode; 2316 } us_node_t; 2317 2318 typedef struct us_cbdata { 2319 nvlist_t **cb_nvlp; 2320 uu_avl_pool_t *cb_avl_pool; 2321 uu_avl_t *cb_avl; 2322 boolean_t cb_numname; 2323 boolean_t cb_nicenum; 2324 boolean_t cb_sid2posix; 2325 zfs_userquota_prop_t cb_prop; 2326 zfs_sort_column_t *cb_sortcol; 2327 size_t cb_width[USFIELD_LAST]; 2328 } us_cbdata_t; 2329 2330 static boolean_t us_populated = B_FALSE; 2331 2332 typedef struct { 2333 zfs_sort_column_t *si_sortcol; 2334 boolean_t si_numname; 2335 } us_sort_info_t; 2336 2337 static int 2338 us_field_index(char *field) 2339 { 2340 int i; 2341 2342 for (i = 0; i < USFIELD_LAST; i++) { 2343 if (strcmp(field, us_field_names[i]) == 0) 2344 return (i); 2345 } 2346 2347 return (-1); 2348 } 2349 2350 static int 2351 us_compare(const void *larg, const void *rarg, void *unused) 2352 { 2353 const us_node_t *l = larg; 2354 const us_node_t *r = rarg; 2355 us_sort_info_t *si = (us_sort_info_t *)unused; 2356 zfs_sort_column_t *sortcol = si->si_sortcol; 2357 boolean_t numname = si->si_numname; 2358 nvlist_t *lnvl = l->usn_nvl; 2359 nvlist_t *rnvl = r->usn_nvl; 2360 int rc = 0; 2361 boolean_t lvb, rvb; 2362 2363 for (; sortcol != NULL; sortcol = sortcol->sc_next) { 2364 char *lvstr = ""; 2365 char *rvstr = ""; 2366 uint32_t lv32 = 0; 2367 uint32_t rv32 = 0; 2368 uint64_t lv64 = 0; 2369 uint64_t rv64 = 0; 2370 zfs_prop_t prop = sortcol->sc_prop; 2371 const char *propname = NULL; 2372 boolean_t reverse = sortcol->sc_reverse; 2373 2374 switch (prop) { 2375 case ZFS_PROP_TYPE: 2376 propname = "type"; 2377 (void) nvlist_lookup_uint32(lnvl, propname, &lv32); 2378 (void) nvlist_lookup_uint32(rnvl, propname, &rv32); 2379 if (rv32 != lv32) 2380 rc = (rv32 < lv32) ? 1 : -1; 2381 break; 2382 case ZFS_PROP_NAME: 2383 propname = "name"; 2384 if (numname) { 2385 (void) nvlist_lookup_uint64(lnvl, propname, 2386 &lv64); 2387 (void) nvlist_lookup_uint64(rnvl, propname, 2388 &rv64); 2389 if (rv64 != lv64) 2390 rc = (rv64 < lv64) ? 1 : -1; 2391 } else { 2392 (void) nvlist_lookup_string(lnvl, propname, 2393 &lvstr); 2394 (void) nvlist_lookup_string(rnvl, propname, 2395 &rvstr); 2396 rc = strcmp(lvstr, rvstr); 2397 } 2398 break; 2399 case ZFS_PROP_USED: 2400 case ZFS_PROP_QUOTA: 2401 if (!us_populated) 2402 break; 2403 if (prop == ZFS_PROP_USED) 2404 propname = "used"; 2405 else 2406 propname = "quota"; 2407 (void) nvlist_lookup_uint64(lnvl, propname, &lv64); 2408 (void) nvlist_lookup_uint64(rnvl, propname, &rv64); 2409 if (rv64 != lv64) 2410 rc = (rv64 < lv64) ? 1 : -1; 2411 break; 2412 2413 default: 2414 break; 2415 } 2416 2417 if (rc != 0) { 2418 if (rc < 0) 2419 return (reverse ? 1 : -1); 2420 else 2421 return (reverse ? -1 : 1); 2422 } 2423 } 2424 2425 /* 2426 * If entries still seem to be the same, check if they are of the same 2427 * type (smbentity is added only if we are doing SID to POSIX ID 2428 * translation where we can have duplicate type/name combinations). 2429 */ 2430 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 && 2431 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 && 2432 lvb != rvb) 2433 return (lvb < rvb ? -1 : 1); 2434 2435 return (0); 2436 } 2437 2438 static inline const char * 2439 us_type2str(unsigned field_type) 2440 { 2441 switch (field_type) { 2442 case USTYPE_PSX_USR: 2443 return ("POSIX User"); 2444 case USTYPE_PSX_GRP: 2445 return ("POSIX Group"); 2446 case USTYPE_SMB_USR: 2447 return ("SMB User"); 2448 case USTYPE_SMB_GRP: 2449 return ("SMB Group"); 2450 default: 2451 return ("Undefined"); 2452 } 2453 } 2454 2455 static int 2456 userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space) 2457 { 2458 us_cbdata_t *cb = (us_cbdata_t *)arg; 2459 zfs_userquota_prop_t prop = cb->cb_prop; 2460 char *name = NULL; 2461 char *propname; 2462 char sizebuf[32]; 2463 us_node_t *node; 2464 uu_avl_pool_t *avl_pool = cb->cb_avl_pool; 2465 uu_avl_t *avl = cb->cb_avl; 2466 uu_avl_index_t idx; 2467 nvlist_t *props; 2468 us_node_t *n; 2469 zfs_sort_column_t *sortcol = cb->cb_sortcol; 2470 unsigned type = 0; 2471 const char *typestr; 2472 size_t namelen; 2473 size_t typelen; 2474 size_t sizelen; 2475 int typeidx, nameidx, sizeidx; 2476 us_sort_info_t sortinfo = { sortcol, cb->cb_numname }; 2477 boolean_t smbentity = B_FALSE; 2478 2479 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 2480 nomem(); 2481 node = safe_malloc(sizeof (us_node_t)); 2482 uu_avl_node_init(node, &node->usn_avlnode, avl_pool); 2483 node->usn_nvl = props; 2484 2485 if (domain != NULL && domain[0] != '\0') { 2486 /* SMB */ 2487 char sid[MAXNAMELEN + 32]; 2488 uid_t id; 2489 int err; 2490 int flag = IDMAP_REQ_FLG_USE_CACHE; 2491 2492 smbentity = B_TRUE; 2493 2494 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid); 2495 2496 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) { 2497 type = USTYPE_SMB_GRP; 2498 err = sid_to_id(sid, B_FALSE, &id); 2499 } else { 2500 type = USTYPE_SMB_USR; 2501 err = sid_to_id(sid, B_TRUE, &id); 2502 } 2503 2504 if (err == 0) { 2505 rid = id; 2506 if (!cb->cb_sid2posix) { 2507 if (type == USTYPE_SMB_USR) { 2508 (void) idmap_getwinnamebyuid(rid, flag, 2509 &name, NULL); 2510 } else { 2511 (void) idmap_getwinnamebygid(rid, flag, 2512 &name, NULL); 2513 } 2514 if (name == NULL) 2515 name = sid; 2516 } 2517 } 2518 } 2519 2520 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') { 2521 /* POSIX or -i */ 2522 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) { 2523 type = USTYPE_PSX_GRP; 2524 if (!cb->cb_numname) { 2525 struct group *g; 2526 2527 if ((g = getgrgid(rid)) != NULL) 2528 name = g->gr_name; 2529 } 2530 } else { 2531 type = USTYPE_PSX_USR; 2532 if (!cb->cb_numname) { 2533 struct passwd *p; 2534 2535 if ((p = getpwuid(rid)) != NULL) 2536 name = p->pw_name; 2537 } 2538 } 2539 } 2540 2541 /* 2542 * Make sure that the type/name combination is unique when doing 2543 * SID to POSIX ID translation (hence changing the type from SMB to 2544 * POSIX). 2545 */ 2546 if (cb->cb_sid2posix && 2547 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0) 2548 nomem(); 2549 2550 /* Calculate/update width of TYPE field */ 2551 typestr = us_type2str(type); 2552 typelen = strlen(gettext(typestr)); 2553 typeidx = us_field_index("type"); 2554 if (typelen > cb->cb_width[typeidx]) 2555 cb->cb_width[typeidx] = typelen; 2556 if (nvlist_add_uint32(props, "type", type) != 0) 2557 nomem(); 2558 2559 /* Calculate/update width of NAME field */ 2560 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) { 2561 if (nvlist_add_uint64(props, "name", rid) != 0) 2562 nomem(); 2563 namelen = snprintf(NULL, 0, "%u", rid); 2564 } else { 2565 if (nvlist_add_string(props, "name", name) != 0) 2566 nomem(); 2567 namelen = strlen(name); 2568 } 2569 nameidx = us_field_index("name"); 2570 if (namelen > cb->cb_width[nameidx]) 2571 cb->cb_width[nameidx] = namelen; 2572 2573 /* 2574 * Check if this type/name combination is in the list and update it; 2575 * otherwise add new node to the list. 2576 */ 2577 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) { 2578 uu_avl_insert(avl, node, idx); 2579 } else { 2580 nvlist_free(props); 2581 free(node); 2582 node = n; 2583 props = node->usn_nvl; 2584 } 2585 2586 /* Calculate/update width of USED/QUOTA fields */ 2587 if (cb->cb_nicenum) 2588 zfs_nicenum(space, sizebuf, sizeof (sizebuf)); 2589 else 2590 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu", space); 2591 sizelen = strlen(sizebuf); 2592 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED) { 2593 propname = "used"; 2594 if (!nvlist_exists(props, "quota")) 2595 (void) nvlist_add_uint64(props, "quota", 0); 2596 } else { 2597 propname = "quota"; 2598 if (!nvlist_exists(props, "used")) 2599 (void) nvlist_add_uint64(props, "used", 0); 2600 } 2601 sizeidx = us_field_index(propname); 2602 if (sizelen > cb->cb_width[sizeidx]) 2603 cb->cb_width[sizeidx] = sizelen; 2604 2605 if (nvlist_add_uint64(props, propname, space) != 0) 2606 nomem(); 2607 2608 return (0); 2609 } 2610 2611 static void 2612 print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types, 2613 size_t *width, us_node_t *node) 2614 { 2615 nvlist_t *nvl = node->usn_nvl; 2616 char valstr[MAXNAMELEN]; 2617 boolean_t first = B_TRUE; 2618 int cfield = 0; 2619 int field; 2620 uint32_t ustype; 2621 2622 /* Check type */ 2623 (void) nvlist_lookup_uint32(nvl, "type", &ustype); 2624 if (!(ustype & types)) 2625 return; 2626 2627 while ((field = fields[cfield]) != USFIELD_LAST) { 2628 nvpair_t *nvp = NULL; 2629 data_type_t type; 2630 uint32_t val32; 2631 uint64_t val64; 2632 char *strval = NULL; 2633 2634 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 2635 if (strcmp(nvpair_name(nvp), 2636 us_field_names[field]) == 0) 2637 break; 2638 } 2639 2640 type = nvpair_type(nvp); 2641 switch (type) { 2642 case DATA_TYPE_UINT32: 2643 (void) nvpair_value_uint32(nvp, &val32); 2644 break; 2645 case DATA_TYPE_UINT64: 2646 (void) nvpair_value_uint64(nvp, &val64); 2647 break; 2648 case DATA_TYPE_STRING: 2649 (void) nvpair_value_string(nvp, &strval); 2650 break; 2651 default: 2652 (void) fprintf(stderr, "invalid data type\n"); 2653 } 2654 2655 switch (field) { 2656 case USFIELD_TYPE: 2657 strval = (char *)us_type2str(val32); 2658 break; 2659 case USFIELD_NAME: 2660 if (type == DATA_TYPE_UINT64) { 2661 (void) sprintf(valstr, "%llu", val64); 2662 strval = valstr; 2663 } 2664 break; 2665 case USFIELD_USED: 2666 case USFIELD_QUOTA: 2667 if (type == DATA_TYPE_UINT64) { 2668 if (parsable) { 2669 (void) sprintf(valstr, "%llu", val64); 2670 } else { 2671 zfs_nicenum(val64, valstr, 2672 sizeof (valstr)); 2673 } 2674 if (field == USFIELD_QUOTA && 2675 strcmp(valstr, "0") == 0) 2676 strval = "none"; 2677 else 2678 strval = valstr; 2679 } 2680 break; 2681 } 2682 2683 if (!first) { 2684 if (scripted) 2685 (void) printf("\t"); 2686 else 2687 (void) printf(" "); 2688 } 2689 if (scripted) 2690 (void) printf("%s", strval); 2691 else if (field == USFIELD_TYPE || field == USFIELD_NAME) 2692 (void) printf("%-*s", width[field], strval); 2693 else 2694 (void) printf("%*s", width[field], strval); 2695 2696 first = B_FALSE; 2697 cfield++; 2698 } 2699 2700 (void) printf("\n"); 2701 } 2702 2703 static void 2704 print_us(boolean_t scripted, boolean_t parsable, int *fields, int types, 2705 size_t *width, boolean_t rmnode, uu_avl_t *avl) 2706 { 2707 us_node_t *node; 2708 const char *col; 2709 int cfield = 0; 2710 int field; 2711 2712 if (!scripted) { 2713 boolean_t first = B_TRUE; 2714 2715 while ((field = fields[cfield]) != USFIELD_LAST) { 2716 col = gettext(us_field_hdr[field]); 2717 if (field == USFIELD_TYPE || field == USFIELD_NAME) { 2718 (void) printf(first ? "%-*s" : " %-*s", 2719 width[field], col); 2720 } else { 2721 (void) printf(first ? "%*s" : " %*s", 2722 width[field], col); 2723 } 2724 first = B_FALSE; 2725 cfield++; 2726 } 2727 (void) printf("\n"); 2728 } 2729 2730 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) { 2731 print_us_node(scripted, parsable, fields, types, width, node); 2732 if (rmnode) 2733 nvlist_free(node->usn_nvl); 2734 } 2735 } 2736 2737 static int 2738 zfs_do_userspace(int argc, char **argv) 2739 { 2740 zfs_handle_t *zhp; 2741 zfs_userquota_prop_t p; 2742 uu_avl_pool_t *avl_pool; 2743 uu_avl_t *avl_tree; 2744 uu_avl_walk_t *walk; 2745 char *delim; 2746 char deffields[] = "type,name,used,quota"; 2747 char *ofield = NULL; 2748 char *tfield = NULL; 2749 int cfield = 0; 2750 int fields[256]; 2751 int i; 2752 boolean_t scripted = B_FALSE; 2753 boolean_t prtnum = B_FALSE; 2754 boolean_t parsable = B_FALSE; 2755 boolean_t sid2posix = B_FALSE; 2756 int ret = 0; 2757 int c; 2758 zfs_sort_column_t *sortcol = NULL; 2759 int types = USTYPE_PSX_USR | USTYPE_SMB_USR; 2760 us_cbdata_t cb; 2761 us_node_t *node; 2762 us_node_t *rmnode; 2763 uu_list_pool_t *listpool; 2764 uu_list_t *list; 2765 uu_avl_index_t idx = 0; 2766 uu_list_index_t idx2 = 0; 2767 2768 if (argc < 2) 2769 usage(B_FALSE); 2770 2771 if (strcmp(argv[0], "groupspace") == 0) 2772 /* Toggle default group types */ 2773 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP; 2774 2775 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) { 2776 switch (c) { 2777 case 'n': 2778 prtnum = B_TRUE; 2779 break; 2780 case 'H': 2781 scripted = B_TRUE; 2782 break; 2783 case 'p': 2784 parsable = B_TRUE; 2785 break; 2786 case 'o': 2787 ofield = optarg; 2788 break; 2789 case 's': 2790 case 'S': 2791 if (zfs_add_sort_column(&sortcol, optarg, 2792 c == 's' ? B_FALSE : B_TRUE) != 0) { 2793 (void) fprintf(stderr, 2794 gettext("invalid field '%s'\n"), optarg); 2795 usage(B_FALSE); 2796 } 2797 break; 2798 case 't': 2799 tfield = optarg; 2800 break; 2801 case 'i': 2802 sid2posix = B_TRUE; 2803 break; 2804 case ':': 2805 (void) fprintf(stderr, gettext("missing argument for " 2806 "'%c' option\n"), optopt); 2807 usage(B_FALSE); 2808 break; 2809 case '?': 2810 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2811 optopt); 2812 usage(B_FALSE); 2813 } 2814 } 2815 2816 argc -= optind; 2817 argv += optind; 2818 2819 if (argc < 1) { 2820 (void) fprintf(stderr, gettext("missing dataset name\n")); 2821 usage(B_FALSE); 2822 } 2823 if (argc > 1) { 2824 (void) fprintf(stderr, gettext("too many arguments\n")); 2825 usage(B_FALSE); 2826 } 2827 2828 /* Use default output fields if not specified using -o */ 2829 if (ofield == NULL) 2830 ofield = deffields; 2831 do { 2832 if ((delim = strchr(ofield, ',')) != NULL) 2833 *delim = '\0'; 2834 if ((fields[cfield++] = us_field_index(ofield)) == -1) { 2835 (void) fprintf(stderr, gettext("invalid type '%s' " 2836 "for -o option\n"), ofield); 2837 return (-1); 2838 } 2839 if (delim != NULL) 2840 ofield = delim + 1; 2841 } while (delim != NULL); 2842 fields[cfield] = USFIELD_LAST; 2843 2844 /* Override output types (-t option) */ 2845 if (tfield != NULL) { 2846 types = 0; 2847 2848 do { 2849 boolean_t found = B_FALSE; 2850 2851 if ((delim = strchr(tfield, ',')) != NULL) 2852 *delim = '\0'; 2853 for (i = 0; i < sizeof (us_type_bits) / sizeof (int); 2854 i++) { 2855 if (strcmp(tfield, us_type_names[i]) == 0) { 2856 found = B_TRUE; 2857 types |= us_type_bits[i]; 2858 break; 2859 } 2860 } 2861 if (!found) { 2862 (void) fprintf(stderr, gettext("invalid type " 2863 "'%s' for -t option\n"), tfield); 2864 return (-1); 2865 } 2866 if (delim != NULL) 2867 tfield = delim + 1; 2868 } while (delim != NULL); 2869 } 2870 2871 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) 2872 return (1); 2873 2874 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t), 2875 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL) 2876 nomem(); 2877 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL) 2878 nomem(); 2879 2880 /* Always add default sorting columns */ 2881 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE); 2882 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE); 2883 2884 cb.cb_sortcol = sortcol; 2885 cb.cb_numname = prtnum; 2886 cb.cb_nicenum = !parsable; 2887 cb.cb_avl_pool = avl_pool; 2888 cb.cb_avl = avl_tree; 2889 cb.cb_sid2posix = sid2posix; 2890 2891 for (i = 0; i < USFIELD_LAST; i++) 2892 cb.cb_width[i] = strlen(gettext(us_field_hdr[i])); 2893 2894 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) { 2895 if (((p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA) && 2896 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) || 2897 ((p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) && 2898 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP)))) 2899 continue; 2900 cb.cb_prop = p; 2901 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) 2902 return (ret); 2903 } 2904 2905 /* Sort the list */ 2906 if ((node = uu_avl_first(avl_tree)) == NULL) 2907 return (0); 2908 2909 us_populated = B_TRUE; 2910 2911 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t), 2912 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT); 2913 list = uu_list_create(listpool, NULL, UU_DEFAULT); 2914 uu_list_node_init(node, &node->usn_listnode, listpool); 2915 2916 while (node != NULL) { 2917 rmnode = node; 2918 node = uu_avl_next(avl_tree, node); 2919 uu_avl_remove(avl_tree, rmnode); 2920 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL) 2921 uu_list_insert(list, rmnode, idx2); 2922 } 2923 2924 for (node = uu_list_first(list); node != NULL; 2925 node = uu_list_next(list, node)) { 2926 us_sort_info_t sortinfo = { sortcol, cb.cb_numname }; 2927 2928 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL) 2929 uu_avl_insert(avl_tree, node, idx); 2930 } 2931 2932 uu_list_destroy(list); 2933 uu_list_pool_destroy(listpool); 2934 2935 /* Print and free node nvlist memory */ 2936 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE, 2937 cb.cb_avl); 2938 2939 zfs_free_sort_columns(sortcol); 2940 2941 /* Clean up the AVL tree */ 2942 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL) 2943 nomem(); 2944 2945 while ((node = uu_avl_walk_next(walk)) != NULL) { 2946 uu_avl_remove(cb.cb_avl, node); 2947 free(node); 2948 } 2949 2950 uu_avl_walk_end(walk); 2951 uu_avl_destroy(avl_tree); 2952 uu_avl_pool_destroy(avl_pool); 2953 2954 return (ret); 2955 } 2956 2957 /* 2958 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property] ... 2959 * [-t type[,...]] [filesystem|volume|snapshot] ... 2960 * 2961 * -H Scripted mode; elide headers and separate columns by tabs. 2962 * -p Display values in parsable (literal) format. 2963 * -r Recurse over all children. 2964 * -d Limit recursion by depth. 2965 * -o Control which fields to display. 2966 * -s Specify sort columns, descending order. 2967 * -S Specify sort columns, ascending order. 2968 * -t Control which object types to display. 2969 * 2970 * When given no arguments, list all filesystems in the system. 2971 * Otherwise, list the specified datasets, optionally recursing down them if 2972 * '-r' is specified. 2973 */ 2974 typedef struct list_cbdata { 2975 boolean_t cb_first; 2976 boolean_t cb_literal; 2977 boolean_t cb_scripted; 2978 zprop_list_t *cb_proplist; 2979 } list_cbdata_t; 2980 2981 /* 2982 * Given a list of columns to display, output appropriate headers for each one. 2983 */ 2984 static void 2985 print_header(list_cbdata_t *cb) 2986 { 2987 zprop_list_t *pl = cb->cb_proplist; 2988 char headerbuf[ZFS_MAXPROPLEN]; 2989 const char *header; 2990 int i; 2991 boolean_t first = B_TRUE; 2992 boolean_t right_justify; 2993 2994 for (; pl != NULL; pl = pl->pl_next) { 2995 if (!first) { 2996 (void) printf(" "); 2997 } else { 2998 first = B_FALSE; 2999 } 3000 3001 right_justify = B_FALSE; 3002 if (pl->pl_prop != ZPROP_INVAL) { 3003 header = zfs_prop_column_name(pl->pl_prop); 3004 right_justify = zfs_prop_align_right(pl->pl_prop); 3005 } else { 3006 for (i = 0; pl->pl_user_prop[i] != '\0'; i++) 3007 headerbuf[i] = toupper(pl->pl_user_prop[i]); 3008 headerbuf[i] = '\0'; 3009 header = headerbuf; 3010 } 3011 3012 if (pl->pl_next == NULL && !right_justify) 3013 (void) printf("%s", header); 3014 else if (right_justify) 3015 (void) printf("%*s", pl->pl_width, header); 3016 else 3017 (void) printf("%-*s", pl->pl_width, header); 3018 } 3019 3020 (void) printf("\n"); 3021 } 3022 3023 /* 3024 * Given a dataset and a list of fields, print out all the properties according 3025 * to the described layout. 3026 */ 3027 static void 3028 print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb) 3029 { 3030 zprop_list_t *pl = cb->cb_proplist; 3031 boolean_t first = B_TRUE; 3032 char property[ZFS_MAXPROPLEN]; 3033 nvlist_t *userprops = zfs_get_user_props(zhp); 3034 nvlist_t *propval; 3035 char *propstr; 3036 boolean_t right_justify; 3037 3038 for (; pl != NULL; pl = pl->pl_next) { 3039 if (!first) { 3040 if (cb->cb_scripted) 3041 (void) printf("\t"); 3042 else 3043 (void) printf(" "); 3044 } else { 3045 first = B_FALSE; 3046 } 3047 3048 if (pl->pl_prop == ZFS_PROP_NAME) { 3049 (void) strlcpy(property, zfs_get_name(zhp), 3050 sizeof (property)); 3051 propstr = property; 3052 right_justify = zfs_prop_align_right(pl->pl_prop); 3053 } else if (pl->pl_prop != ZPROP_INVAL) { 3054 if (zfs_prop_get(zhp, pl->pl_prop, property, 3055 sizeof (property), NULL, NULL, 0, 3056 cb->cb_literal) != 0) 3057 propstr = "-"; 3058 else 3059 propstr = property; 3060 right_justify = zfs_prop_align_right(pl->pl_prop); 3061 } else if (zfs_prop_userquota(pl->pl_user_prop)) { 3062 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, 3063 property, sizeof (property), cb->cb_literal) != 0) 3064 propstr = "-"; 3065 else 3066 propstr = property; 3067 right_justify = B_TRUE; 3068 } else if (zfs_prop_written(pl->pl_user_prop)) { 3069 if (zfs_prop_get_written(zhp, pl->pl_user_prop, 3070 property, sizeof (property), cb->cb_literal) != 0) 3071 propstr = "-"; 3072 else 3073 propstr = property; 3074 right_justify = B_TRUE; 3075 } else { 3076 if (nvlist_lookup_nvlist(userprops, 3077 pl->pl_user_prop, &propval) != 0) 3078 propstr = "-"; 3079 else 3080 verify(nvlist_lookup_string(propval, 3081 ZPROP_VALUE, &propstr) == 0); 3082 right_justify = B_FALSE; 3083 } 3084 3085 /* 3086 * If this is being called in scripted mode, or if this is the 3087 * last column and it is left-justified, don't include a width 3088 * format specifier. 3089 */ 3090 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify)) 3091 (void) printf("%s", propstr); 3092 else if (right_justify) 3093 (void) printf("%*s", pl->pl_width, propstr); 3094 else 3095 (void) printf("%-*s", pl->pl_width, propstr); 3096 } 3097 3098 (void) printf("\n"); 3099 } 3100 3101 /* 3102 * Generic callback function to list a dataset or snapshot. 3103 */ 3104 static int 3105 list_callback(zfs_handle_t *zhp, void *data) 3106 { 3107 list_cbdata_t *cbp = data; 3108 3109 if (cbp->cb_first) { 3110 if (!cbp->cb_scripted) 3111 print_header(cbp); 3112 cbp->cb_first = B_FALSE; 3113 } 3114 3115 print_dataset(zhp, cbp); 3116 3117 return (0); 3118 } 3119 3120 static int 3121 zfs_do_list(int argc, char **argv) 3122 { 3123 int c; 3124 static char default_fields[] = 3125 "name,used,available,referenced,mountpoint"; 3126 int types = ZFS_TYPE_DATASET; 3127 boolean_t types_specified = B_FALSE; 3128 char *fields = NULL; 3129 list_cbdata_t cb = { 0 }; 3130 char *value; 3131 int limit = 0; 3132 int ret = 0; 3133 zfs_sort_column_t *sortcol = NULL; 3134 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS; 3135 3136 /* check options */ 3137 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) { 3138 switch (c) { 3139 case 'o': 3140 fields = optarg; 3141 break; 3142 case 'p': 3143 cb.cb_literal = B_TRUE; 3144 flags |= ZFS_ITER_LITERAL_PROPS; 3145 break; 3146 case 'd': 3147 limit = parse_depth(optarg, &flags); 3148 break; 3149 case 'r': 3150 flags |= ZFS_ITER_RECURSE; 3151 break; 3152 case 'H': 3153 cb.cb_scripted = B_TRUE; 3154 break; 3155 case 's': 3156 if (zfs_add_sort_column(&sortcol, optarg, 3157 B_FALSE) != 0) { 3158 (void) fprintf(stderr, 3159 gettext("invalid property '%s'\n"), optarg); 3160 usage(B_FALSE); 3161 } 3162 break; 3163 case 'S': 3164 if (zfs_add_sort_column(&sortcol, optarg, 3165 B_TRUE) != 0) { 3166 (void) fprintf(stderr, 3167 gettext("invalid property '%s'\n"), optarg); 3168 usage(B_FALSE); 3169 } 3170 break; 3171 case 't': 3172 types = 0; 3173 types_specified = B_TRUE; 3174 flags &= ~ZFS_ITER_PROP_LISTSNAPS; 3175 while (*optarg != '\0') { 3176 static char *type_subopts[] = { "filesystem", 3177 "volume", "snapshot", "snap", "bookmark", 3178 "all", NULL }; 3179 3180 switch (getsubopt(&optarg, type_subopts, 3181 &value)) { 3182 case 0: 3183 types |= ZFS_TYPE_FILESYSTEM; 3184 break; 3185 case 1: 3186 types |= ZFS_TYPE_VOLUME; 3187 break; 3188 case 2: 3189 case 3: 3190 types |= ZFS_TYPE_SNAPSHOT; 3191 break; 3192 case 4: 3193 types |= ZFS_TYPE_BOOKMARK; 3194 break; 3195 case 5: 3196 types = ZFS_TYPE_DATASET | 3197 ZFS_TYPE_BOOKMARK; 3198 break; 3199 default: 3200 (void) fprintf(stderr, 3201 gettext("invalid type '%s'\n"), 3202 value); 3203 usage(B_FALSE); 3204 } 3205 } 3206 break; 3207 case ':': 3208 (void) fprintf(stderr, gettext("missing argument for " 3209 "'%c' option\n"), optopt); 3210 usage(B_FALSE); 3211 break; 3212 case '?': 3213 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3214 optopt); 3215 usage(B_FALSE); 3216 } 3217 } 3218 3219 argc -= optind; 3220 argv += optind; 3221 3222 if (fields == NULL) 3223 fields = default_fields; 3224 3225 /* 3226 * If we are only going to list snapshot names and sort by name, 3227 * then we can use faster version. 3228 */ 3229 if (strcmp(fields, "name") == 0 && zfs_sort_only_by_name(sortcol)) 3230 flags |= ZFS_ITER_SIMPLE; 3231 3232 /* 3233 * If "-o space" and no types were specified, don't display snapshots. 3234 */ 3235 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE) 3236 types &= ~ZFS_TYPE_SNAPSHOT; 3237 3238 /* 3239 * If the user specifies '-o all', the zprop_get_list() doesn't 3240 * normally include the name of the dataset. For 'zfs list', we always 3241 * want this property to be first. 3242 */ 3243 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) 3244 != 0) 3245 usage(B_FALSE); 3246 3247 cb.cb_first = B_TRUE; 3248 3249 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist, 3250 limit, list_callback, &cb); 3251 3252 zprop_free_list(cb.cb_proplist); 3253 zfs_free_sort_columns(sortcol); 3254 3255 if (ret == 0 && cb.cb_first && !cb.cb_scripted) 3256 (void) printf(gettext("no datasets available\n")); 3257 3258 return (ret); 3259 } 3260 3261 /* 3262 * zfs rename [-f] <fs | snap | vol> <fs | snap | vol> 3263 * zfs rename [-f] -p <fs | vol> <fs | vol> 3264 * zfs rename -r <snap> <snap> 3265 * 3266 * Renames the given dataset to another of the same type. 3267 * 3268 * The '-p' flag creates all the non-existing ancestors of the target first. 3269 */ 3270 /* ARGSUSED */ 3271 static int 3272 zfs_do_rename(int argc, char **argv) 3273 { 3274 zfs_handle_t *zhp; 3275 int c; 3276 int ret = 0; 3277 boolean_t recurse = B_FALSE; 3278 boolean_t parents = B_FALSE; 3279 boolean_t force_unmount = B_FALSE; 3280 3281 /* check options */ 3282 while ((c = getopt(argc, argv, "prf")) != -1) { 3283 switch (c) { 3284 case 'p': 3285 parents = B_TRUE; 3286 break; 3287 case 'r': 3288 recurse = B_TRUE; 3289 break; 3290 case 'f': 3291 force_unmount = B_TRUE; 3292 break; 3293 case '?': 3294 default: 3295 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3296 optopt); 3297 usage(B_FALSE); 3298 } 3299 } 3300 3301 argc -= optind; 3302 argv += optind; 3303 3304 /* check number of arguments */ 3305 if (argc < 1) { 3306 (void) fprintf(stderr, gettext("missing source dataset " 3307 "argument\n")); 3308 usage(B_FALSE); 3309 } 3310 if (argc < 2) { 3311 (void) fprintf(stderr, gettext("missing target dataset " 3312 "argument\n")); 3313 usage(B_FALSE); 3314 } 3315 if (argc > 2) { 3316 (void) fprintf(stderr, gettext("too many arguments\n")); 3317 usage(B_FALSE); 3318 } 3319 3320 if (recurse && parents) { 3321 (void) fprintf(stderr, gettext("-p and -r options are mutually " 3322 "exclusive\n")); 3323 usage(B_FALSE); 3324 } 3325 3326 if (recurse && strchr(argv[0], '@') == 0) { 3327 (void) fprintf(stderr, gettext("source dataset for recursive " 3328 "rename must be a snapshot\n")); 3329 usage(B_FALSE); 3330 } 3331 3332 if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM | 3333 ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL) 3334 return (1); 3335 3336 /* If we were asked and the name looks good, try to create ancestors. */ 3337 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) && 3338 zfs_create_ancestors(g_zfs, argv[1]) != 0) { 3339 zfs_close(zhp); 3340 return (1); 3341 } 3342 3343 ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0); 3344 3345 zfs_close(zhp); 3346 return (ret); 3347 } 3348 3349 /* 3350 * zfs promote <fs> 3351 * 3352 * Promotes the given clone fs to be the parent 3353 */ 3354 /* ARGSUSED */ 3355 static int 3356 zfs_do_promote(int argc, char **argv) 3357 { 3358 zfs_handle_t *zhp; 3359 int ret = 0; 3360 3361 /* check options */ 3362 if (argc > 1 && argv[1][0] == '-') { 3363 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3364 argv[1][1]); 3365 usage(B_FALSE); 3366 } 3367 3368 /* check number of arguments */ 3369 if (argc < 2) { 3370 (void) fprintf(stderr, gettext("missing clone filesystem" 3371 " argument\n")); 3372 usage(B_FALSE); 3373 } 3374 if (argc > 2) { 3375 (void) fprintf(stderr, gettext("too many arguments\n")); 3376 usage(B_FALSE); 3377 } 3378 3379 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 3380 if (zhp == NULL) 3381 return (1); 3382 3383 ret = (zfs_promote(zhp) != 0); 3384 3385 3386 zfs_close(zhp); 3387 return (ret); 3388 } 3389 3390 /* 3391 * zfs rollback [-rRf] <snapshot> 3392 * 3393 * -r Delete any intervening snapshots before doing rollback 3394 * -R Delete any snapshots and their clones 3395 * -f ignored for backwards compatability 3396 * 3397 * Given a filesystem, rollback to a specific snapshot, discarding any changes 3398 * since then and making it the active dataset. If more recent snapshots exist, 3399 * the command will complain unless the '-r' flag is given. 3400 */ 3401 typedef struct rollback_cbdata { 3402 uint64_t cb_create; 3403 boolean_t cb_first; 3404 int cb_doclones; 3405 char *cb_target; 3406 int cb_error; 3407 boolean_t cb_recurse; 3408 } rollback_cbdata_t; 3409 3410 static int 3411 rollback_check_dependent(zfs_handle_t *zhp, void *data) 3412 { 3413 rollback_cbdata_t *cbp = data; 3414 3415 if (cbp->cb_first && cbp->cb_recurse) { 3416 (void) fprintf(stderr, gettext("cannot rollback to " 3417 "'%s': clones of previous snapshots exist\n"), 3418 cbp->cb_target); 3419 (void) fprintf(stderr, gettext("use '-R' to " 3420 "force deletion of the following clones and " 3421 "dependents:\n")); 3422 cbp->cb_first = 0; 3423 cbp->cb_error = 1; 3424 } 3425 3426 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 3427 3428 zfs_close(zhp); 3429 return (0); 3430 } 3431 3432 /* 3433 * Report any snapshots more recent than the one specified. Used when '-r' is 3434 * not specified. We reuse this same callback for the snapshot dependents - if 3435 * 'cb_dependent' is set, then this is a dependent and we should report it 3436 * without checking the transaction group. 3437 */ 3438 static int 3439 rollback_check(zfs_handle_t *zhp, void *data) 3440 { 3441 rollback_cbdata_t *cbp = data; 3442 3443 if (cbp->cb_doclones) { 3444 zfs_close(zhp); 3445 return (0); 3446 } 3447 3448 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) { 3449 if (cbp->cb_first && !cbp->cb_recurse) { 3450 (void) fprintf(stderr, gettext("cannot " 3451 "rollback to '%s': more recent snapshots " 3452 "or bookmarks exist\n"), 3453 cbp->cb_target); 3454 (void) fprintf(stderr, gettext("use '-r' to " 3455 "force deletion of the following " 3456 "snapshots and bookmarks:\n")); 3457 cbp->cb_first = 0; 3458 cbp->cb_error = 1; 3459 } 3460 3461 if (cbp->cb_recurse) { 3462 if (zfs_iter_dependents(zhp, B_TRUE, 3463 rollback_check_dependent, cbp) != 0) { 3464 zfs_close(zhp); 3465 return (-1); 3466 } 3467 } else { 3468 (void) fprintf(stderr, "%s\n", 3469 zfs_get_name(zhp)); 3470 } 3471 } 3472 zfs_close(zhp); 3473 return (0); 3474 } 3475 3476 static int 3477 zfs_do_rollback(int argc, char **argv) 3478 { 3479 int ret = 0; 3480 int c; 3481 boolean_t force = B_FALSE; 3482 rollback_cbdata_t cb = { 0 }; 3483 zfs_handle_t *zhp, *snap; 3484 char parentname[ZFS_MAX_DATASET_NAME_LEN]; 3485 char *delim; 3486 3487 /* check options */ 3488 while ((c = getopt(argc, argv, "rRf")) != -1) { 3489 switch (c) { 3490 case 'r': 3491 cb.cb_recurse = 1; 3492 break; 3493 case 'R': 3494 cb.cb_recurse = 1; 3495 cb.cb_doclones = 1; 3496 break; 3497 case 'f': 3498 force = B_TRUE; 3499 break; 3500 case '?': 3501 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3502 optopt); 3503 usage(B_FALSE); 3504 } 3505 } 3506 3507 argc -= optind; 3508 argv += optind; 3509 3510 /* check number of arguments */ 3511 if (argc < 1) { 3512 (void) fprintf(stderr, gettext("missing dataset argument\n")); 3513 usage(B_FALSE); 3514 } 3515 if (argc > 1) { 3516 (void) fprintf(stderr, gettext("too many arguments\n")); 3517 usage(B_FALSE); 3518 } 3519 3520 /* open the snapshot */ 3521 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) 3522 return (1); 3523 3524 /* open the parent dataset */ 3525 (void) strlcpy(parentname, argv[0], sizeof (parentname)); 3526 verify((delim = strrchr(parentname, '@')) != NULL); 3527 *delim = '\0'; 3528 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) { 3529 zfs_close(snap); 3530 return (1); 3531 } 3532 3533 /* 3534 * Check for more recent snapshots and/or clones based on the presence 3535 * of '-r' and '-R'. 3536 */ 3537 cb.cb_target = argv[0]; 3538 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); 3539 cb.cb_first = B_TRUE; 3540 cb.cb_error = 0; 3541 if ((ret = zfs_iter_snapshots(zhp, B_FALSE, rollback_check, &cb)) != 0) 3542 goto out; 3543 if ((ret = zfs_iter_bookmarks(zhp, rollback_check, &cb)) != 0) 3544 goto out; 3545 3546 if ((ret = cb.cb_error) != 0) 3547 goto out; 3548 3549 /* 3550 * Rollback parent to the given snapshot. 3551 */ 3552 ret = zfs_rollback(zhp, snap, force); 3553 3554 out: 3555 zfs_close(snap); 3556 zfs_close(zhp); 3557 3558 if (ret == 0) 3559 return (0); 3560 else 3561 return (1); 3562 } 3563 3564 /* 3565 * zfs set property=value ... { fs | snap | vol } ... 3566 * 3567 * Sets the given properties for all datasets specified on the command line. 3568 */ 3569 3570 static int 3571 set_callback(zfs_handle_t *zhp, void *data) 3572 { 3573 nvlist_t *props = data; 3574 3575 if (zfs_prop_set_list(zhp, props) != 0) { 3576 switch (libzfs_errno(g_zfs)) { 3577 case EZFS_MOUNTFAILED: 3578 (void) fprintf(stderr, gettext("property may be set " 3579 "but unable to remount filesystem\n")); 3580 break; 3581 case EZFS_SHARENFSFAILED: 3582 (void) fprintf(stderr, gettext("property may be set " 3583 "but unable to reshare filesystem\n")); 3584 break; 3585 } 3586 return (1); 3587 } 3588 return (0); 3589 } 3590 3591 static int 3592 zfs_do_set(int argc, char **argv) 3593 { 3594 nvlist_t *props = NULL; 3595 int ds_start = -1; /* argv idx of first dataset arg */ 3596 int ret = 0; 3597 3598 /* check for options */ 3599 if (argc > 1 && argv[1][0] == '-') { 3600 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3601 argv[1][1]); 3602 usage(B_FALSE); 3603 } 3604 3605 /* check number of arguments */ 3606 if (argc < 2) { 3607 (void) fprintf(stderr, gettext("missing arguments\n")); 3608 usage(B_FALSE); 3609 } 3610 if (argc < 3) { 3611 if (strchr(argv[1], '=') == NULL) { 3612 (void) fprintf(stderr, gettext("missing property=value " 3613 "argument(s)\n")); 3614 } else { 3615 (void) fprintf(stderr, gettext("missing dataset " 3616 "name(s)\n")); 3617 } 3618 usage(B_FALSE); 3619 } 3620 3621 /* validate argument order: prop=val args followed by dataset args */ 3622 for (int i = 1; i < argc; i++) { 3623 if (strchr(argv[i], '=') != NULL) { 3624 if (ds_start > 0) { 3625 /* out-of-order prop=val argument */ 3626 (void) fprintf(stderr, gettext("invalid " 3627 "argument order\n"), i); 3628 usage(B_FALSE); 3629 } 3630 } else if (ds_start < 0) { 3631 ds_start = i; 3632 } 3633 } 3634 if (ds_start < 0) { 3635 (void) fprintf(stderr, gettext("missing dataset name(s)\n")); 3636 usage(B_FALSE); 3637 } 3638 3639 /* Populate a list of property settings */ 3640 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 3641 nomem(); 3642 for (int i = 1; i < ds_start; i++) { 3643 if (!parseprop(props, argv[i])) { 3644 ret = -1; 3645 goto error; 3646 } 3647 } 3648 3649 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0, 3650 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, props); 3651 3652 error: 3653 nvlist_free(props); 3654 return (ret); 3655 } 3656 3657 typedef struct snap_cbdata { 3658 nvlist_t *sd_nvl; 3659 boolean_t sd_recursive; 3660 const char *sd_snapname; 3661 } snap_cbdata_t; 3662 3663 static int 3664 zfs_snapshot_cb(zfs_handle_t *zhp, void *arg) 3665 { 3666 snap_cbdata_t *sd = arg; 3667 char *name; 3668 int rv = 0; 3669 int error; 3670 3671 if (sd->sd_recursive && 3672 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) { 3673 zfs_close(zhp); 3674 return (0); 3675 } 3676 3677 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname); 3678 if (error == -1) 3679 nomem(); 3680 fnvlist_add_boolean(sd->sd_nvl, name); 3681 free(name); 3682 3683 if (sd->sd_recursive) 3684 rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd); 3685 zfs_close(zhp); 3686 return (rv); 3687 } 3688 3689 /* 3690 * zfs snapshot [-r] [-o prop=value] ... <fs@snap> 3691 * 3692 * Creates a snapshot with the given name. While functionally equivalent to 3693 * 'zfs create', it is a separate command to differentiate intent. 3694 */ 3695 static int 3696 zfs_do_snapshot(int argc, char **argv) 3697 { 3698 int ret = 0; 3699 char c; 3700 nvlist_t *props; 3701 snap_cbdata_t sd = { 0 }; 3702 boolean_t multiple_snaps = B_FALSE; 3703 3704 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 3705 nomem(); 3706 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0) 3707 nomem(); 3708 3709 /* check options */ 3710 while ((c = getopt(argc, argv, "ro:")) != -1) { 3711 switch (c) { 3712 case 'o': 3713 if (!parseprop(props, optarg)) { 3714 nvlist_free(sd.sd_nvl); 3715 nvlist_free(props); 3716 return (1); 3717 } 3718 break; 3719 case 'r': 3720 sd.sd_recursive = B_TRUE; 3721 multiple_snaps = B_TRUE; 3722 break; 3723 case '?': 3724 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3725 optopt); 3726 goto usage; 3727 } 3728 } 3729 3730 argc -= optind; 3731 argv += optind; 3732 3733 /* check number of arguments */ 3734 if (argc < 1) { 3735 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 3736 goto usage; 3737 } 3738 3739 if (argc > 1) 3740 multiple_snaps = B_TRUE; 3741 for (; argc > 0; argc--, argv++) { 3742 char *atp; 3743 zfs_handle_t *zhp; 3744 3745 atp = strchr(argv[0], '@'); 3746 if (atp == NULL) 3747 goto usage; 3748 *atp = '\0'; 3749 sd.sd_snapname = atp + 1; 3750 zhp = zfs_open(g_zfs, argv[0], 3751 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 3752 if (zhp == NULL) 3753 goto usage; 3754 if (zfs_snapshot_cb(zhp, &sd) != 0) 3755 goto usage; 3756 } 3757 3758 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props); 3759 nvlist_free(sd.sd_nvl); 3760 nvlist_free(props); 3761 if (ret != 0 && multiple_snaps) 3762 (void) fprintf(stderr, gettext("no snapshots were created\n")); 3763 return (ret != 0); 3764 3765 usage: 3766 nvlist_free(sd.sd_nvl); 3767 nvlist_free(props); 3768 usage(B_FALSE); 3769 return (-1); 3770 } 3771 3772 /* 3773 * Send a backup stream to stdout. 3774 */ 3775 static int 3776 zfs_do_send(int argc, char **argv) 3777 { 3778 char *fromname = NULL; 3779 char *toname = NULL; 3780 char *resume_token = NULL; 3781 char *cp; 3782 zfs_handle_t *zhp; 3783 sendflags_t flags = { 0 }; 3784 int c, err; 3785 nvlist_t *dbgnv = NULL; 3786 boolean_t extraverbose = B_FALSE; 3787 3788 struct option long_options[] = { 3789 {"replicate", no_argument, NULL, 'R'}, 3790 {"props", no_argument, NULL, 'p'}, 3791 {"parsable", no_argument, NULL, 'P'}, 3792 {"dedup", no_argument, NULL, 'D'}, 3793 {"verbose", no_argument, NULL, 'v'}, 3794 {"dryrun", no_argument, NULL, 'n'}, 3795 {"large-block", no_argument, NULL, 'L'}, 3796 {"embed", no_argument, NULL, 'e'}, 3797 {"resume", required_argument, NULL, 't'}, 3798 {"compressed", no_argument, NULL, 'c'}, 3799 {"raw", no_argument, NULL, 'w'}, 3800 {"backup", no_argument, NULL, 'b'}, 3801 {"holds", no_argument, NULL, 'h'}, 3802 {0, 0, 0, 0} 3803 }; 3804 3805 /* check options */ 3806 while ((c = getopt_long(argc, argv, ":i:I:RDpvnPLeht:cwb", long_options, 3807 NULL)) != -1) { 3808 switch (c) { 3809 case 'i': 3810 if (fromname) 3811 usage(B_FALSE); 3812 fromname = optarg; 3813 break; 3814 case 'I': 3815 if (fromname) 3816 usage(B_FALSE); 3817 fromname = optarg; 3818 flags.doall = B_TRUE; 3819 break; 3820 case 'R': 3821 flags.replicate = B_TRUE; 3822 break; 3823 case 'p': 3824 flags.props = B_TRUE; 3825 break; 3826 case 'b': 3827 flags.backup = B_TRUE; 3828 break; 3829 case 'h': 3830 flags.holds = B_TRUE; 3831 break; 3832 case 'P': 3833 flags.parsable = B_TRUE; 3834 flags.verbose = B_TRUE; 3835 break; 3836 case 'v': 3837 if (flags.verbose) 3838 extraverbose = B_TRUE; 3839 flags.verbose = B_TRUE; 3840 flags.progress = B_TRUE; 3841 break; 3842 case 'D': 3843 flags.dedup = B_TRUE; 3844 break; 3845 case 'n': 3846 flags.dryrun = B_TRUE; 3847 break; 3848 case 'L': 3849 flags.largeblock = B_TRUE; 3850 break; 3851 case 'e': 3852 flags.embed_data = B_TRUE; 3853 break; 3854 case 't': 3855 resume_token = optarg; 3856 break; 3857 case 'c': 3858 flags.compress = B_TRUE; 3859 break; 3860 case 'w': 3861 flags.raw = B_TRUE; 3862 flags.compress = B_TRUE; 3863 flags.embed_data = B_TRUE; 3864 flags.largeblock = B_TRUE; 3865 break; 3866 case ':': 3867 /* 3868 * If a parameter was not passed, optopt contains the 3869 * value that would normally lead us into the 3870 * appropriate case statement. If it's > 256, then this 3871 * must be a longopt and we should look at argv to get 3872 * the string. Otherwise it's just the character, so we 3873 * should use it directly. 3874 */ 3875 if (optopt <= UINT8_MAX) { 3876 (void) fprintf(stderr, 3877 gettext("missing argument for '%c' " 3878 "option\n"), optopt); 3879 } else { 3880 (void) fprintf(stderr, 3881 gettext("missing argument for '%s' " 3882 "option\n"), argv[optind - 1]); 3883 } 3884 usage(B_FALSE); 3885 break; 3886 case '?': 3887 /*FALLTHROUGH*/ 3888 default: 3889 /* 3890 * If an invalid flag was passed, optopt contains the 3891 * character if it was a short flag, or 0 if it was a 3892 * longopt. 3893 */ 3894 if (optopt != 0) { 3895 (void) fprintf(stderr, 3896 gettext("invalid option '%c'\n"), optopt); 3897 } else { 3898 (void) fprintf(stderr, 3899 gettext("invalid option '%s'\n"), 3900 argv[optind - 1]); 3901 3902 } 3903 usage(B_FALSE); 3904 } 3905 } 3906 3907 argc -= optind; 3908 argv += optind; 3909 3910 if (resume_token != NULL) { 3911 if (fromname != NULL || flags.replicate || flags.props || 3912 flags.backup || flags.dedup) { 3913 (void) fprintf(stderr, 3914 gettext("invalid flags combined with -t\n")); 3915 usage(B_FALSE); 3916 } 3917 if (argc != 0) { 3918 (void) fprintf(stderr, gettext("no additional " 3919 "arguments are permitted with -t\n")); 3920 usage(B_FALSE); 3921 } 3922 } else { 3923 if (argc < 1) { 3924 (void) fprintf(stderr, 3925 gettext("missing snapshot argument\n")); 3926 usage(B_FALSE); 3927 } 3928 if (argc > 1) { 3929 (void) fprintf(stderr, gettext("too many arguments\n")); 3930 usage(B_FALSE); 3931 } 3932 } 3933 3934 if (!flags.dryrun && isatty(STDOUT_FILENO)) { 3935 (void) fprintf(stderr, 3936 gettext("Error: Stream can not be written to a terminal.\n" 3937 "You must redirect standard output.\n")); 3938 return (1); 3939 } 3940 3941 if (resume_token != NULL) { 3942 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO, 3943 resume_token)); 3944 } 3945 3946 /* 3947 * Special case sending a filesystem, or from a bookmark. 3948 */ 3949 if (strchr(argv[0], '@') == NULL || 3950 (fromname && strchr(fromname, '#') != NULL)) { 3951 char frombuf[ZFS_MAX_DATASET_NAME_LEN]; 3952 enum lzc_send_flags lzc_flags = 0; 3953 3954 if (flags.replicate || flags.doall || flags.props || 3955 flags.backup || flags.dedup || flags.holds || 3956 flags.dryrun || flags.verbose || flags.progress) { 3957 (void) fprintf(stderr, 3958 gettext("Error: " 3959 "Unsupported flag with filesystem or bookmark.\n")); 3960 return (1); 3961 } 3962 3963 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET); 3964 if (zhp == NULL) 3965 return (1); 3966 3967 if (flags.largeblock) 3968 lzc_flags |= LZC_SEND_FLAG_LARGE_BLOCK; 3969 if (flags.embed_data) 3970 lzc_flags |= LZC_SEND_FLAG_EMBED_DATA; 3971 if (flags.compress) 3972 lzc_flags |= LZC_SEND_FLAG_COMPRESS; 3973 if (flags.raw) 3974 lzc_flags |= LZC_SEND_FLAG_RAW; 3975 3976 if (fromname != NULL && 3977 (fromname[0] == '#' || fromname[0] == '@')) { 3978 /* 3979 * Incremental source name begins with # or @. 3980 * Default to same fs as target. 3981 */ 3982 (void) strncpy(frombuf, argv[0], sizeof (frombuf)); 3983 cp = strchr(frombuf, '@'); 3984 if (cp != NULL) 3985 *cp = '\0'; 3986 (void) strlcat(frombuf, fromname, sizeof (frombuf)); 3987 fromname = frombuf; 3988 } 3989 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, lzc_flags); 3990 zfs_close(zhp); 3991 return (err != 0); 3992 } 3993 3994 cp = strchr(argv[0], '@'); 3995 *cp = '\0'; 3996 toname = cp + 1; 3997 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 3998 if (zhp == NULL) 3999 return (1); 4000 4001 /* 4002 * If they specified the full path to the snapshot, chop off 4003 * everything except the short name of the snapshot, but special 4004 * case if they specify the origin. 4005 */ 4006 if (fromname && (cp = strchr(fromname, '@')) != NULL) { 4007 char origin[ZFS_MAX_DATASET_NAME_LEN]; 4008 zprop_source_t src; 4009 4010 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN, 4011 origin, sizeof (origin), &src, NULL, 0, B_FALSE); 4012 4013 if (strcmp(origin, fromname) == 0) { 4014 fromname = NULL; 4015 flags.fromorigin = B_TRUE; 4016 } else { 4017 *cp = '\0'; 4018 if (cp != fromname && strcmp(argv[0], fromname)) { 4019 (void) fprintf(stderr, 4020 gettext("incremental source must be " 4021 "in same filesystem\n")); 4022 usage(B_FALSE); 4023 } 4024 fromname = cp + 1; 4025 if (strchr(fromname, '@') || strchr(fromname, '/')) { 4026 (void) fprintf(stderr, 4027 gettext("invalid incremental source\n")); 4028 usage(B_FALSE); 4029 } 4030 } 4031 } 4032 4033 if (flags.replicate && fromname == NULL) 4034 flags.doall = B_TRUE; 4035 4036 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0, 4037 extraverbose ? &dbgnv : NULL); 4038 4039 if (extraverbose && dbgnv != NULL) { 4040 /* 4041 * dump_nvlist prints to stdout, but that's been 4042 * redirected to a file. Make it print to stderr 4043 * instead. 4044 */ 4045 (void) dup2(STDERR_FILENO, STDOUT_FILENO); 4046 dump_nvlist(dbgnv, 0); 4047 nvlist_free(dbgnv); 4048 } 4049 zfs_close(zhp); 4050 4051 return (err != 0); 4052 } 4053 4054 /* 4055 * Restore a backup stream from stdin. 4056 */ 4057 static int 4058 zfs_do_receive(int argc, char **argv) 4059 { 4060 int c, err = 0; 4061 recvflags_t flags = { 0 }; 4062 boolean_t abort_resumable = B_FALSE; 4063 nvlist_t *props; 4064 4065 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 4066 nomem(); 4067 4068 /* check options */ 4069 while ((c = getopt(argc, argv, ":o:x:dehnuvFsA")) != -1) { 4070 switch (c) { 4071 case 'o': 4072 if (!parseprop(props, optarg)) { 4073 nvlist_free(props); 4074 usage(B_FALSE); 4075 } 4076 break; 4077 case 'x': 4078 if (!parsepropname(props, optarg)) { 4079 nvlist_free(props); 4080 usage(B_FALSE); 4081 } 4082 break; 4083 case 'd': 4084 flags.isprefix = B_TRUE; 4085 break; 4086 case 'e': 4087 flags.isprefix = B_TRUE; 4088 flags.istail = B_TRUE; 4089 break; 4090 case 'h': 4091 flags.skipholds = B_TRUE; 4092 break; 4093 case 'n': 4094 flags.dryrun = B_TRUE; 4095 break; 4096 case 'u': 4097 flags.nomount = B_TRUE; 4098 break; 4099 case 'v': 4100 flags.verbose = B_TRUE; 4101 break; 4102 case 's': 4103 flags.resumable = B_TRUE; 4104 break; 4105 case 'F': 4106 flags.force = B_TRUE; 4107 break; 4108 case 'A': 4109 abort_resumable = B_TRUE; 4110 break; 4111 case ':': 4112 (void) fprintf(stderr, gettext("missing argument for " 4113 "'%c' option\n"), optopt); 4114 usage(B_FALSE); 4115 break; 4116 case '?': 4117 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4118 optopt); 4119 usage(B_FALSE); 4120 } 4121 } 4122 4123 argc -= optind; 4124 argv += optind; 4125 4126 /* check number of arguments */ 4127 if (argc < 1) { 4128 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 4129 usage(B_FALSE); 4130 } 4131 if (argc > 1) { 4132 (void) fprintf(stderr, gettext("too many arguments\n")); 4133 usage(B_FALSE); 4134 } 4135 4136 if (abort_resumable) { 4137 if (flags.isprefix || flags.istail || flags.dryrun || 4138 flags.resumable || flags.nomount) { 4139 (void) fprintf(stderr, gettext("invalid option")); 4140 usage(B_FALSE); 4141 } 4142 4143 char namebuf[ZFS_MAX_DATASET_NAME_LEN]; 4144 (void) snprintf(namebuf, sizeof (namebuf), 4145 "%s/%%recv", argv[0]); 4146 4147 if (zfs_dataset_exists(g_zfs, namebuf, 4148 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) { 4149 zfs_handle_t *zhp = zfs_open(g_zfs, 4150 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4151 if (zhp == NULL) 4152 return (1); 4153 err = zfs_destroy(zhp, B_FALSE); 4154 } else { 4155 zfs_handle_t *zhp = zfs_open(g_zfs, 4156 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4157 if (zhp == NULL) 4158 usage(B_FALSE); 4159 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) || 4160 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, 4161 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) { 4162 (void) fprintf(stderr, 4163 gettext("'%s' does not have any " 4164 "resumable receive state to abort\n"), 4165 argv[0]); 4166 return (1); 4167 } 4168 err = zfs_destroy(zhp, B_FALSE); 4169 } 4170 4171 return (err != 0); 4172 } 4173 4174 if (isatty(STDIN_FILENO)) { 4175 (void) fprintf(stderr, 4176 gettext("Error: Backup stream can not be read " 4177 "from a terminal.\n" 4178 "You must redirect standard input.\n")); 4179 return (1); 4180 } 4181 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL); 4182 4183 return (err != 0); 4184 } 4185 4186 /* 4187 * allow/unallow stuff 4188 */ 4189 /* copied from zfs/sys/dsl_deleg.h */ 4190 #define ZFS_DELEG_PERM_CREATE "create" 4191 #define ZFS_DELEG_PERM_DESTROY "destroy" 4192 #define ZFS_DELEG_PERM_SNAPSHOT "snapshot" 4193 #define ZFS_DELEG_PERM_ROLLBACK "rollback" 4194 #define ZFS_DELEG_PERM_CLONE "clone" 4195 #define ZFS_DELEG_PERM_PROMOTE "promote" 4196 #define ZFS_DELEG_PERM_RENAME "rename" 4197 #define ZFS_DELEG_PERM_MOUNT "mount" 4198 #define ZFS_DELEG_PERM_SHARE "share" 4199 #define ZFS_DELEG_PERM_SEND "send" 4200 #define ZFS_DELEG_PERM_RECEIVE "receive" 4201 #define ZFS_DELEG_PERM_ALLOW "allow" 4202 #define ZFS_DELEG_PERM_USERPROP "userprop" 4203 #define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */ 4204 #define ZFS_DELEG_PERM_USERQUOTA "userquota" 4205 #define ZFS_DELEG_PERM_GROUPQUOTA "groupquota" 4206 #define ZFS_DELEG_PERM_USERUSED "userused" 4207 #define ZFS_DELEG_PERM_GROUPUSED "groupused" 4208 #define ZFS_DELEG_PERM_HOLD "hold" 4209 #define ZFS_DELEG_PERM_RELEASE "release" 4210 #define ZFS_DELEG_PERM_DIFF "diff" 4211 #define ZFS_DELEG_PERM_BOOKMARK "bookmark" 4212 #define ZFS_DELEG_PERM_REMAP "remap" 4213 #define ZFS_DELEG_PERM_LOAD_KEY "load-key" 4214 #define ZFS_DELEG_PERM_CHANGE_KEY "change-key" 4215 4216 #define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE 4217 4218 static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = { 4219 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW }, 4220 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE }, 4221 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE }, 4222 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY }, 4223 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF}, 4224 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD }, 4225 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT }, 4226 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE }, 4227 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE }, 4228 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE }, 4229 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME }, 4230 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK }, 4231 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND }, 4232 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE }, 4233 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT }, 4234 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK }, 4235 { ZFS_DELEG_PERM_REMAP, ZFS_DELEG_NOTE_REMAP }, 4236 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY }, 4237 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY }, 4238 4239 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA }, 4240 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED }, 4241 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP }, 4242 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA }, 4243 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED }, 4244 { NULL, ZFS_DELEG_NOTE_NONE } 4245 }; 4246 4247 /* permission structure */ 4248 typedef struct deleg_perm { 4249 zfs_deleg_who_type_t dp_who_type; 4250 const char *dp_name; 4251 boolean_t dp_local; 4252 boolean_t dp_descend; 4253 } deleg_perm_t; 4254 4255 /* */ 4256 typedef struct deleg_perm_node { 4257 deleg_perm_t dpn_perm; 4258 4259 uu_avl_node_t dpn_avl_node; 4260 } deleg_perm_node_t; 4261 4262 typedef struct fs_perm fs_perm_t; 4263 4264 /* permissions set */ 4265 typedef struct who_perm { 4266 zfs_deleg_who_type_t who_type; 4267 const char *who_name; /* id */ 4268 char who_ug_name[256]; /* user/group name */ 4269 fs_perm_t *who_fsperm; /* uplink */ 4270 4271 uu_avl_t *who_deleg_perm_avl; /* permissions */ 4272 } who_perm_t; 4273 4274 /* */ 4275 typedef struct who_perm_node { 4276 who_perm_t who_perm; 4277 uu_avl_node_t who_avl_node; 4278 } who_perm_node_t; 4279 4280 typedef struct fs_perm_set fs_perm_set_t; 4281 /* fs permissions */ 4282 struct fs_perm { 4283 const char *fsp_name; 4284 4285 uu_avl_t *fsp_sc_avl; /* sets,create */ 4286 uu_avl_t *fsp_uge_avl; /* user,group,everyone */ 4287 4288 fs_perm_set_t *fsp_set; /* uplink */ 4289 }; 4290 4291 /* */ 4292 typedef struct fs_perm_node { 4293 fs_perm_t fspn_fsperm; 4294 uu_avl_t *fspn_avl; 4295 4296 uu_list_node_t fspn_list_node; 4297 } fs_perm_node_t; 4298 4299 /* top level structure */ 4300 struct fs_perm_set { 4301 uu_list_pool_t *fsps_list_pool; 4302 uu_list_t *fsps_list; /* list of fs_perms */ 4303 4304 uu_avl_pool_t *fsps_named_set_avl_pool; 4305 uu_avl_pool_t *fsps_who_perm_avl_pool; 4306 uu_avl_pool_t *fsps_deleg_perm_avl_pool; 4307 }; 4308 4309 static inline const char * 4310 deleg_perm_type(zfs_deleg_note_t note) 4311 { 4312 /* subcommands */ 4313 switch (note) { 4314 /* SUBCOMMANDS */ 4315 /* OTHER */ 4316 case ZFS_DELEG_NOTE_GROUPQUOTA: 4317 case ZFS_DELEG_NOTE_GROUPUSED: 4318 case ZFS_DELEG_NOTE_USERPROP: 4319 case ZFS_DELEG_NOTE_USERQUOTA: 4320 case ZFS_DELEG_NOTE_USERUSED: 4321 /* other */ 4322 return (gettext("other")); 4323 default: 4324 return (gettext("subcommand")); 4325 } 4326 } 4327 4328 static int 4329 who_type2weight(zfs_deleg_who_type_t who_type) 4330 { 4331 int res; 4332 switch (who_type) { 4333 case ZFS_DELEG_NAMED_SET_SETS: 4334 case ZFS_DELEG_NAMED_SET: 4335 res = 0; 4336 break; 4337 case ZFS_DELEG_CREATE_SETS: 4338 case ZFS_DELEG_CREATE: 4339 res = 1; 4340 break; 4341 case ZFS_DELEG_USER_SETS: 4342 case ZFS_DELEG_USER: 4343 res = 2; 4344 break; 4345 case ZFS_DELEG_GROUP_SETS: 4346 case ZFS_DELEG_GROUP: 4347 res = 3; 4348 break; 4349 case ZFS_DELEG_EVERYONE_SETS: 4350 case ZFS_DELEG_EVERYONE: 4351 res = 4; 4352 break; 4353 default: 4354 res = -1; 4355 } 4356 4357 return (res); 4358 } 4359 4360 /* ARGSUSED */ 4361 static int 4362 who_perm_compare(const void *larg, const void *rarg, void *unused) 4363 { 4364 const who_perm_node_t *l = larg; 4365 const who_perm_node_t *r = rarg; 4366 zfs_deleg_who_type_t ltype = l->who_perm.who_type; 4367 zfs_deleg_who_type_t rtype = r->who_perm.who_type; 4368 int lweight = who_type2weight(ltype); 4369 int rweight = who_type2weight(rtype); 4370 int res = lweight - rweight; 4371 if (res == 0) 4372 res = strncmp(l->who_perm.who_name, r->who_perm.who_name, 4373 ZFS_MAX_DELEG_NAME-1); 4374 4375 if (res == 0) 4376 return (0); 4377 if (res > 0) 4378 return (1); 4379 else 4380 return (-1); 4381 } 4382 4383 /* ARGSUSED */ 4384 static int 4385 deleg_perm_compare(const void *larg, const void *rarg, void *unused) 4386 { 4387 const deleg_perm_node_t *l = larg; 4388 const deleg_perm_node_t *r = rarg; 4389 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name, 4390 ZFS_MAX_DELEG_NAME-1); 4391 4392 if (res == 0) 4393 return (0); 4394 4395 if (res > 0) 4396 return (1); 4397 else 4398 return (-1); 4399 } 4400 4401 static inline void 4402 fs_perm_set_init(fs_perm_set_t *fspset) 4403 { 4404 bzero(fspset, sizeof (fs_perm_set_t)); 4405 4406 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool", 4407 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node), 4408 NULL, UU_DEFAULT)) == NULL) 4409 nomem(); 4410 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL, 4411 UU_DEFAULT)) == NULL) 4412 nomem(); 4413 4414 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create( 4415 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof( 4416 who_perm_node_t, who_avl_node), who_perm_compare, 4417 UU_DEFAULT)) == NULL) 4418 nomem(); 4419 4420 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create( 4421 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof( 4422 who_perm_node_t, who_avl_node), who_perm_compare, 4423 UU_DEFAULT)) == NULL) 4424 nomem(); 4425 4426 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create( 4427 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof( 4428 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT)) 4429 == NULL) 4430 nomem(); 4431 } 4432 4433 static inline void fs_perm_fini(fs_perm_t *); 4434 static inline void who_perm_fini(who_perm_t *); 4435 4436 static inline void 4437 fs_perm_set_fini(fs_perm_set_t *fspset) 4438 { 4439 fs_perm_node_t *node = uu_list_first(fspset->fsps_list); 4440 4441 while (node != NULL) { 4442 fs_perm_node_t *next_node = 4443 uu_list_next(fspset->fsps_list, node); 4444 fs_perm_t *fsperm = &node->fspn_fsperm; 4445 fs_perm_fini(fsperm); 4446 uu_list_remove(fspset->fsps_list, node); 4447 free(node); 4448 node = next_node; 4449 } 4450 4451 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool); 4452 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool); 4453 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool); 4454 } 4455 4456 static inline void 4457 deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type, 4458 const char *name) 4459 { 4460 deleg_perm->dp_who_type = type; 4461 deleg_perm->dp_name = name; 4462 } 4463 4464 static inline void 4465 who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm, 4466 zfs_deleg_who_type_t type, const char *name) 4467 { 4468 uu_avl_pool_t *pool; 4469 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool; 4470 4471 bzero(who_perm, sizeof (who_perm_t)); 4472 4473 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL, 4474 UU_DEFAULT)) == NULL) 4475 nomem(); 4476 4477 who_perm->who_type = type; 4478 who_perm->who_name = name; 4479 who_perm->who_fsperm = fsperm; 4480 } 4481 4482 static inline void 4483 who_perm_fini(who_perm_t *who_perm) 4484 { 4485 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl); 4486 4487 while (node != NULL) { 4488 deleg_perm_node_t *next_node = 4489 uu_avl_next(who_perm->who_deleg_perm_avl, node); 4490 4491 uu_avl_remove(who_perm->who_deleg_perm_avl, node); 4492 free(node); 4493 node = next_node; 4494 } 4495 4496 uu_avl_destroy(who_perm->who_deleg_perm_avl); 4497 } 4498 4499 static inline void 4500 fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname) 4501 { 4502 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool; 4503 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool; 4504 4505 bzero(fsperm, sizeof (fs_perm_t)); 4506 4507 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT)) 4508 == NULL) 4509 nomem(); 4510 4511 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT)) 4512 == NULL) 4513 nomem(); 4514 4515 fsperm->fsp_set = fspset; 4516 fsperm->fsp_name = fsname; 4517 } 4518 4519 static inline void 4520 fs_perm_fini(fs_perm_t *fsperm) 4521 { 4522 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl); 4523 while (node != NULL) { 4524 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl, 4525 node); 4526 who_perm_t *who_perm = &node->who_perm; 4527 who_perm_fini(who_perm); 4528 uu_avl_remove(fsperm->fsp_sc_avl, node); 4529 free(node); 4530 node = next_node; 4531 } 4532 4533 node = uu_avl_first(fsperm->fsp_uge_avl); 4534 while (node != NULL) { 4535 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl, 4536 node); 4537 who_perm_t *who_perm = &node->who_perm; 4538 who_perm_fini(who_perm); 4539 uu_avl_remove(fsperm->fsp_uge_avl, node); 4540 free(node); 4541 node = next_node; 4542 } 4543 4544 uu_avl_destroy(fsperm->fsp_sc_avl); 4545 uu_avl_destroy(fsperm->fsp_uge_avl); 4546 } 4547 4548 static void 4549 set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node, 4550 zfs_deleg_who_type_t who_type, const char *name, char locality) 4551 { 4552 uu_avl_index_t idx = 0; 4553 4554 deleg_perm_node_t *found_node = NULL; 4555 deleg_perm_t *deleg_perm = &node->dpn_perm; 4556 4557 deleg_perm_init(deleg_perm, who_type, name); 4558 4559 if ((found_node = uu_avl_find(avl, node, NULL, &idx)) 4560 == NULL) 4561 uu_avl_insert(avl, node, idx); 4562 else { 4563 node = found_node; 4564 deleg_perm = &node->dpn_perm; 4565 } 4566 4567 4568 switch (locality) { 4569 case ZFS_DELEG_LOCAL: 4570 deleg_perm->dp_local = B_TRUE; 4571 break; 4572 case ZFS_DELEG_DESCENDENT: 4573 deleg_perm->dp_descend = B_TRUE; 4574 break; 4575 case ZFS_DELEG_NA: 4576 break; 4577 default: 4578 assert(B_FALSE); /* invalid locality */ 4579 } 4580 } 4581 4582 static inline int 4583 parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality) 4584 { 4585 nvpair_t *nvp = NULL; 4586 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set; 4587 uu_avl_t *avl = who_perm->who_deleg_perm_avl; 4588 zfs_deleg_who_type_t who_type = who_perm->who_type; 4589 4590 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 4591 const char *name = nvpair_name(nvp); 4592 data_type_t type = nvpair_type(nvp); 4593 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool; 4594 deleg_perm_node_t *node = 4595 safe_malloc(sizeof (deleg_perm_node_t)); 4596 4597 assert(type == DATA_TYPE_BOOLEAN); 4598 4599 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool); 4600 set_deleg_perm_node(avl, node, who_type, name, locality); 4601 } 4602 4603 return (0); 4604 } 4605 4606 static inline int 4607 parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl) 4608 { 4609 nvpair_t *nvp = NULL; 4610 fs_perm_set_t *fspset = fsperm->fsp_set; 4611 4612 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 4613 nvlist_t *nvl2 = NULL; 4614 const char *name = nvpair_name(nvp); 4615 uu_avl_t *avl = NULL; 4616 uu_avl_pool_t *avl_pool = NULL; 4617 zfs_deleg_who_type_t perm_type = name[0]; 4618 char perm_locality = name[1]; 4619 const char *perm_name = name + 3; 4620 boolean_t is_set = B_TRUE; 4621 who_perm_t *who_perm = NULL; 4622 4623 assert('$' == name[2]); 4624 4625 if (nvpair_value_nvlist(nvp, &nvl2) != 0) 4626 return (-1); 4627 4628 switch (perm_type) { 4629 case ZFS_DELEG_CREATE: 4630 case ZFS_DELEG_CREATE_SETS: 4631 case ZFS_DELEG_NAMED_SET: 4632 case ZFS_DELEG_NAMED_SET_SETS: 4633 avl_pool = fspset->fsps_named_set_avl_pool; 4634 avl = fsperm->fsp_sc_avl; 4635 break; 4636 case ZFS_DELEG_USER: 4637 case ZFS_DELEG_USER_SETS: 4638 case ZFS_DELEG_GROUP: 4639 case ZFS_DELEG_GROUP_SETS: 4640 case ZFS_DELEG_EVERYONE: 4641 case ZFS_DELEG_EVERYONE_SETS: 4642 avl_pool = fspset->fsps_who_perm_avl_pool; 4643 avl = fsperm->fsp_uge_avl; 4644 break; 4645 4646 default: 4647 assert(!"unhandled zfs_deleg_who_type_t"); 4648 } 4649 4650 if (is_set) { 4651 who_perm_node_t *found_node = NULL; 4652 who_perm_node_t *node = safe_malloc( 4653 sizeof (who_perm_node_t)); 4654 who_perm = &node->who_perm; 4655 uu_avl_index_t idx = 0; 4656 4657 uu_avl_node_init(node, &node->who_avl_node, avl_pool); 4658 who_perm_init(who_perm, fsperm, perm_type, perm_name); 4659 4660 if ((found_node = uu_avl_find(avl, node, NULL, &idx)) 4661 == NULL) { 4662 if (avl == fsperm->fsp_uge_avl) { 4663 uid_t rid = 0; 4664 struct passwd *p = NULL; 4665 struct group *g = NULL; 4666 const char *nice_name = NULL; 4667 4668 switch (perm_type) { 4669 case ZFS_DELEG_USER_SETS: 4670 case ZFS_DELEG_USER: 4671 rid = atoi(perm_name); 4672 p = getpwuid(rid); 4673 if (p) 4674 nice_name = p->pw_name; 4675 break; 4676 case ZFS_DELEG_GROUP_SETS: 4677 case ZFS_DELEG_GROUP: 4678 rid = atoi(perm_name); 4679 g = getgrgid(rid); 4680 if (g) 4681 nice_name = g->gr_name; 4682 break; 4683 4684 default: 4685 break; 4686 } 4687 4688 if (nice_name != NULL) 4689 (void) strlcpy( 4690 node->who_perm.who_ug_name, 4691 nice_name, 256); 4692 } 4693 4694 uu_avl_insert(avl, node, idx); 4695 } else { 4696 node = found_node; 4697 who_perm = &node->who_perm; 4698 } 4699 } 4700 4701 (void) parse_who_perm(who_perm, nvl2, perm_locality); 4702 } 4703 4704 return (0); 4705 } 4706 4707 static inline int 4708 parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl) 4709 { 4710 nvpair_t *nvp = NULL; 4711 uu_avl_index_t idx = 0; 4712 4713 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 4714 nvlist_t *nvl2 = NULL; 4715 const char *fsname = nvpair_name(nvp); 4716 data_type_t type = nvpair_type(nvp); 4717 fs_perm_t *fsperm = NULL; 4718 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t)); 4719 if (node == NULL) 4720 nomem(); 4721 4722 fsperm = &node->fspn_fsperm; 4723 4724 assert(DATA_TYPE_NVLIST == type); 4725 4726 uu_list_node_init(node, &node->fspn_list_node, 4727 fspset->fsps_list_pool); 4728 4729 idx = uu_list_numnodes(fspset->fsps_list); 4730 fs_perm_init(fsperm, fspset, fsname); 4731 4732 if (nvpair_value_nvlist(nvp, &nvl2) != 0) 4733 return (-1); 4734 4735 (void) parse_fs_perm(fsperm, nvl2); 4736 4737 uu_list_insert(fspset->fsps_list, node, idx); 4738 } 4739 4740 return (0); 4741 } 4742 4743 static inline const char * 4744 deleg_perm_comment(zfs_deleg_note_t note) 4745 { 4746 const char *str = ""; 4747 4748 /* subcommands */ 4749 switch (note) { 4750 /* SUBCOMMANDS */ 4751 case ZFS_DELEG_NOTE_ALLOW: 4752 str = gettext("Must also have the permission that is being" 4753 "\n\t\t\t\tallowed"); 4754 break; 4755 case ZFS_DELEG_NOTE_CLONE: 4756 str = gettext("Must also have the 'create' ability and 'mount'" 4757 "\n\t\t\t\tability in the origin file system"); 4758 break; 4759 case ZFS_DELEG_NOTE_CREATE: 4760 str = gettext("Must also have the 'mount' ability"); 4761 break; 4762 case ZFS_DELEG_NOTE_DESTROY: 4763 str = gettext("Must also have the 'mount' ability"); 4764 break; 4765 case ZFS_DELEG_NOTE_DIFF: 4766 str = gettext("Allows lookup of paths within a dataset;" 4767 "\n\t\t\t\tgiven an object number. Ordinary users need this" 4768 "\n\t\t\t\tin order to use zfs diff"); 4769 break; 4770 case ZFS_DELEG_NOTE_HOLD: 4771 str = gettext("Allows adding a user hold to a snapshot"); 4772 break; 4773 case ZFS_DELEG_NOTE_MOUNT: 4774 str = gettext("Allows mount/umount of ZFS datasets"); 4775 break; 4776 case ZFS_DELEG_NOTE_PROMOTE: 4777 str = gettext("Must also have the 'mount'\n\t\t\t\tand" 4778 " 'promote' ability in the origin file system"); 4779 break; 4780 case ZFS_DELEG_NOTE_RECEIVE: 4781 str = gettext("Must also have the 'mount' and 'create'" 4782 " ability"); 4783 break; 4784 case ZFS_DELEG_NOTE_RELEASE: 4785 str = gettext("Allows releasing a user hold which\n\t\t\t\t" 4786 "might destroy the snapshot"); 4787 break; 4788 case ZFS_DELEG_NOTE_RENAME: 4789 str = gettext("Must also have the 'mount' and 'create'" 4790 "\n\t\t\t\tability in the new parent"); 4791 break; 4792 case ZFS_DELEG_NOTE_ROLLBACK: 4793 str = gettext(""); 4794 break; 4795 case ZFS_DELEG_NOTE_SEND: 4796 str = gettext(""); 4797 break; 4798 case ZFS_DELEG_NOTE_SHARE: 4799 str = gettext("Allows sharing file systems over NFS or SMB" 4800 "\n\t\t\t\tprotocols"); 4801 break; 4802 case ZFS_DELEG_NOTE_SNAPSHOT: 4803 str = gettext(""); 4804 break; 4805 case ZFS_DELEG_NOTE_LOAD_KEY: 4806 str = gettext("Allows loading or unloading an encryption key"); 4807 break; 4808 case ZFS_DELEG_NOTE_CHANGE_KEY: 4809 str = gettext("Allows changing or adding an encryption key"); 4810 break; 4811 /* 4812 * case ZFS_DELEG_NOTE_VSCAN: 4813 * str = gettext(""); 4814 * break; 4815 */ 4816 /* OTHER */ 4817 case ZFS_DELEG_NOTE_GROUPQUOTA: 4818 str = gettext("Allows accessing any groupquota@... property"); 4819 break; 4820 case ZFS_DELEG_NOTE_GROUPUSED: 4821 str = gettext("Allows reading any groupused@... property"); 4822 break; 4823 case ZFS_DELEG_NOTE_USERPROP: 4824 str = gettext("Allows changing any user property"); 4825 break; 4826 case ZFS_DELEG_NOTE_USERQUOTA: 4827 str = gettext("Allows accessing any userquota@... property"); 4828 break; 4829 case ZFS_DELEG_NOTE_USERUSED: 4830 str = gettext("Allows reading any userused@... property"); 4831 break; 4832 /* other */ 4833 default: 4834 str = ""; 4835 } 4836 4837 return (str); 4838 } 4839 4840 struct allow_opts { 4841 boolean_t local; 4842 boolean_t descend; 4843 boolean_t user; 4844 boolean_t group; 4845 boolean_t everyone; 4846 boolean_t create; 4847 boolean_t set; 4848 boolean_t recursive; /* unallow only */ 4849 boolean_t prt_usage; 4850 4851 boolean_t prt_perms; 4852 char *who; 4853 char *perms; 4854 const char *dataset; 4855 }; 4856 4857 static inline int 4858 prop_cmp(const void *a, const void *b) 4859 { 4860 const char *str1 = *(const char **)a; 4861 const char *str2 = *(const char **)b; 4862 return (strcmp(str1, str2)); 4863 } 4864 4865 static void 4866 allow_usage(boolean_t un, boolean_t requested, const char *msg) 4867 { 4868 const char *opt_desc[] = { 4869 "-h", gettext("show this help message and exit"), 4870 "-l", gettext("set permission locally"), 4871 "-d", gettext("set permission for descents"), 4872 "-u", gettext("set permission for user"), 4873 "-g", gettext("set permission for group"), 4874 "-e", gettext("set permission for everyone"), 4875 "-c", gettext("set create time permission"), 4876 "-s", gettext("define permission set"), 4877 /* unallow only */ 4878 "-r", gettext("remove permissions recursively"), 4879 }; 4880 size_t unallow_size = sizeof (opt_desc) / sizeof (char *); 4881 size_t allow_size = unallow_size - 2; 4882 const char *props[ZFS_NUM_PROPS]; 4883 int i; 4884 size_t count = 0; 4885 FILE *fp = requested ? stdout : stderr; 4886 zprop_desc_t *pdtbl = zfs_prop_get_table(); 4887 const char *fmt = gettext("%-16s %-14s\t%s\n"); 4888 4889 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW : 4890 HELP_ALLOW)); 4891 (void) fprintf(fp, gettext("Options:\n")); 4892 for (int i = 0; i < (un ? unallow_size : allow_size); i++) { 4893 const char *opt = opt_desc[i++]; 4894 const char *optdsc = opt_desc[i]; 4895 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc); 4896 } 4897 4898 (void) fprintf(fp, gettext("\nThe following permissions are " 4899 "supported:\n\n")); 4900 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"), 4901 gettext("NOTES")); 4902 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) { 4903 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm; 4904 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note; 4905 const char *perm_type = deleg_perm_type(perm_note); 4906 const char *perm_comment = deleg_perm_comment(perm_note); 4907 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment); 4908 } 4909 4910 for (i = 0; i < ZFS_NUM_PROPS; i++) { 4911 zprop_desc_t *pd = &pdtbl[i]; 4912 if (pd->pd_visible != B_TRUE) 4913 continue; 4914 4915 if (pd->pd_attr == PROP_READONLY) 4916 continue; 4917 4918 props[count++] = pd->pd_name; 4919 } 4920 props[count] = NULL; 4921 4922 qsort(props, count, sizeof (char *), prop_cmp); 4923 4924 for (i = 0; i < count; i++) 4925 (void) fprintf(fp, fmt, props[i], gettext("property"), ""); 4926 4927 if (msg != NULL) 4928 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg); 4929 4930 exit(requested ? 0 : 2); 4931 } 4932 4933 static inline const char * 4934 munge_args(int argc, char **argv, boolean_t un, size_t expected_argc, 4935 char **permsp) 4936 { 4937 if (un && argc == expected_argc - 1) 4938 *permsp = NULL; 4939 else if (argc == expected_argc) 4940 *permsp = argv[argc - 2]; 4941 else 4942 allow_usage(un, B_FALSE, 4943 gettext("wrong number of parameters\n")); 4944 4945 return (argv[argc - 1]); 4946 } 4947 4948 static void 4949 parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts) 4950 { 4951 int uge_sum = opts->user + opts->group + opts->everyone; 4952 int csuge_sum = opts->create + opts->set + uge_sum; 4953 int ldcsuge_sum = csuge_sum + opts->local + opts->descend; 4954 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum; 4955 4956 if (uge_sum > 1) 4957 allow_usage(un, B_FALSE, 4958 gettext("-u, -g, and -e are mutually exclusive\n")); 4959 4960 if (opts->prt_usage) { 4961 if (argc == 0 && all_sum == 0) 4962 allow_usage(un, B_TRUE, NULL); 4963 else 4964 usage(B_FALSE); 4965 } 4966 4967 if (opts->set) { 4968 if (csuge_sum > 1) 4969 allow_usage(un, B_FALSE, 4970 gettext("invalid options combined with -s\n")); 4971 4972 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); 4973 if (argv[0][0] != '@') 4974 allow_usage(un, B_FALSE, 4975 gettext("invalid set name: missing '@' prefix\n")); 4976 opts->who = argv[0]; 4977 } else if (opts->create) { 4978 if (ldcsuge_sum > 1) 4979 allow_usage(un, B_FALSE, 4980 gettext("invalid options combined with -c\n")); 4981 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 4982 } else if (opts->everyone) { 4983 if (csuge_sum > 1) 4984 allow_usage(un, B_FALSE, 4985 gettext("invalid options combined with -e\n")); 4986 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 4987 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone") 4988 == 0) { 4989 opts->everyone = B_TRUE; 4990 argc--; 4991 argv++; 4992 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 4993 } else if (argc == 1 && !un) { 4994 opts->prt_perms = B_TRUE; 4995 opts->dataset = argv[argc-1]; 4996 } else { 4997 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); 4998 opts->who = argv[0]; 4999 } 5000 5001 if (!opts->local && !opts->descend) { 5002 opts->local = B_TRUE; 5003 opts->descend = B_TRUE; 5004 } 5005 } 5006 5007 static void 5008 store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend, 5009 const char *who, char *perms, nvlist_t *top_nvl) 5010 { 5011 int i; 5012 char ld[2] = { '\0', '\0' }; 5013 char who_buf[MAXNAMELEN + 32]; 5014 char base_type = '\0'; 5015 char set_type = '\0'; 5016 nvlist_t *base_nvl = NULL; 5017 nvlist_t *set_nvl = NULL; 5018 nvlist_t *nvl; 5019 5020 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0) 5021 nomem(); 5022 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0) 5023 nomem(); 5024 5025 switch (type) { 5026 case ZFS_DELEG_NAMED_SET_SETS: 5027 case ZFS_DELEG_NAMED_SET: 5028 set_type = ZFS_DELEG_NAMED_SET_SETS; 5029 base_type = ZFS_DELEG_NAMED_SET; 5030 ld[0] = ZFS_DELEG_NA; 5031 break; 5032 case ZFS_DELEG_CREATE_SETS: 5033 case ZFS_DELEG_CREATE: 5034 set_type = ZFS_DELEG_CREATE_SETS; 5035 base_type = ZFS_DELEG_CREATE; 5036 ld[0] = ZFS_DELEG_NA; 5037 break; 5038 case ZFS_DELEG_USER_SETS: 5039 case ZFS_DELEG_USER: 5040 set_type = ZFS_DELEG_USER_SETS; 5041 base_type = ZFS_DELEG_USER; 5042 if (local) 5043 ld[0] = ZFS_DELEG_LOCAL; 5044 if (descend) 5045 ld[1] = ZFS_DELEG_DESCENDENT; 5046 break; 5047 case ZFS_DELEG_GROUP_SETS: 5048 case ZFS_DELEG_GROUP: 5049 set_type = ZFS_DELEG_GROUP_SETS; 5050 base_type = ZFS_DELEG_GROUP; 5051 if (local) 5052 ld[0] = ZFS_DELEG_LOCAL; 5053 if (descend) 5054 ld[1] = ZFS_DELEG_DESCENDENT; 5055 break; 5056 case ZFS_DELEG_EVERYONE_SETS: 5057 case ZFS_DELEG_EVERYONE: 5058 set_type = ZFS_DELEG_EVERYONE_SETS; 5059 base_type = ZFS_DELEG_EVERYONE; 5060 if (local) 5061 ld[0] = ZFS_DELEG_LOCAL; 5062 if (descend) 5063 ld[1] = ZFS_DELEG_DESCENDENT; 5064 break; 5065 5066 default: 5067 assert(set_type != '\0' && base_type != '\0'); 5068 } 5069 5070 if (perms != NULL) { 5071 char *curr = perms; 5072 char *end = curr + strlen(perms); 5073 5074 while (curr < end) { 5075 char *delim = strchr(curr, ','); 5076 if (delim == NULL) 5077 delim = end; 5078 else 5079 *delim = '\0'; 5080 5081 if (curr[0] == '@') 5082 nvl = set_nvl; 5083 else 5084 nvl = base_nvl; 5085 5086 (void) nvlist_add_boolean(nvl, curr); 5087 if (delim != end) 5088 *delim = ','; 5089 curr = delim + 1; 5090 } 5091 5092 for (i = 0; i < 2; i++) { 5093 char locality = ld[i]; 5094 if (locality == 0) 5095 continue; 5096 5097 if (!nvlist_empty(base_nvl)) { 5098 if (who != NULL) 5099 (void) snprintf(who_buf, 5100 sizeof (who_buf), "%c%c$%s", 5101 base_type, locality, who); 5102 else 5103 (void) snprintf(who_buf, 5104 sizeof (who_buf), "%c%c$", 5105 base_type, locality); 5106 5107 (void) nvlist_add_nvlist(top_nvl, who_buf, 5108 base_nvl); 5109 } 5110 5111 5112 if (!nvlist_empty(set_nvl)) { 5113 if (who != NULL) 5114 (void) snprintf(who_buf, 5115 sizeof (who_buf), "%c%c$%s", 5116 set_type, locality, who); 5117 else 5118 (void) snprintf(who_buf, 5119 sizeof (who_buf), "%c%c$", 5120 set_type, locality); 5121 5122 (void) nvlist_add_nvlist(top_nvl, who_buf, 5123 set_nvl); 5124 } 5125 } 5126 } else { 5127 for (i = 0; i < 2; i++) { 5128 char locality = ld[i]; 5129 if (locality == 0) 5130 continue; 5131 5132 if (who != NULL) 5133 (void) snprintf(who_buf, sizeof (who_buf), 5134 "%c%c$%s", base_type, locality, who); 5135 else 5136 (void) snprintf(who_buf, sizeof (who_buf), 5137 "%c%c$", base_type, locality); 5138 (void) nvlist_add_boolean(top_nvl, who_buf); 5139 5140 if (who != NULL) 5141 (void) snprintf(who_buf, sizeof (who_buf), 5142 "%c%c$%s", set_type, locality, who); 5143 else 5144 (void) snprintf(who_buf, sizeof (who_buf), 5145 "%c%c$", set_type, locality); 5146 (void) nvlist_add_boolean(top_nvl, who_buf); 5147 } 5148 } 5149 } 5150 5151 static int 5152 construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp) 5153 { 5154 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0) 5155 nomem(); 5156 5157 if (opts->set) { 5158 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local, 5159 opts->descend, opts->who, opts->perms, *nvlp); 5160 } else if (opts->create) { 5161 store_allow_perm(ZFS_DELEG_CREATE, opts->local, 5162 opts->descend, NULL, opts->perms, *nvlp); 5163 } else if (opts->everyone) { 5164 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local, 5165 opts->descend, NULL, opts->perms, *nvlp); 5166 } else { 5167 char *curr = opts->who; 5168 char *end = curr + strlen(curr); 5169 5170 while (curr < end) { 5171 const char *who; 5172 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN; 5173 char *endch; 5174 char *delim = strchr(curr, ','); 5175 char errbuf[256]; 5176 char id[64]; 5177 struct passwd *p = NULL; 5178 struct group *g = NULL; 5179 5180 uid_t rid; 5181 if (delim == NULL) 5182 delim = end; 5183 else 5184 *delim = '\0'; 5185 5186 rid = (uid_t)strtol(curr, &endch, 0); 5187 if (opts->user) { 5188 who_type = ZFS_DELEG_USER; 5189 if (*endch != '\0') 5190 p = getpwnam(curr); 5191 else 5192 p = getpwuid(rid); 5193 5194 if (p != NULL) 5195 rid = p->pw_uid; 5196 else { 5197 (void) snprintf(errbuf, 256, gettext( 5198 "invalid user %s"), curr); 5199 allow_usage(un, B_TRUE, errbuf); 5200 } 5201 } else if (opts->group) { 5202 who_type = ZFS_DELEG_GROUP; 5203 if (*endch != '\0') 5204 g = getgrnam(curr); 5205 else 5206 g = getgrgid(rid); 5207 5208 if (g != NULL) 5209 rid = g->gr_gid; 5210 else { 5211 (void) snprintf(errbuf, 256, gettext( 5212 "invalid group %s"), curr); 5213 allow_usage(un, B_TRUE, errbuf); 5214 } 5215 } else { 5216 if (*endch != '\0') { 5217 p = getpwnam(curr); 5218 } else { 5219 p = getpwuid(rid); 5220 } 5221 5222 if (p == NULL) { 5223 if (*endch != '\0') { 5224 g = getgrnam(curr); 5225 } else { 5226 g = getgrgid(rid); 5227 } 5228 } 5229 5230 if (p != NULL) { 5231 who_type = ZFS_DELEG_USER; 5232 rid = p->pw_uid; 5233 } else if (g != NULL) { 5234 who_type = ZFS_DELEG_GROUP; 5235 rid = g->gr_gid; 5236 } else { 5237 (void) snprintf(errbuf, 256, gettext( 5238 "invalid user/group %s"), curr); 5239 allow_usage(un, B_TRUE, errbuf); 5240 } 5241 } 5242 5243 (void) sprintf(id, "%u", rid); 5244 who = id; 5245 5246 store_allow_perm(who_type, opts->local, 5247 opts->descend, who, opts->perms, *nvlp); 5248 curr = delim + 1; 5249 } 5250 } 5251 5252 return (0); 5253 } 5254 5255 static void 5256 print_set_creat_perms(uu_avl_t *who_avl) 5257 { 5258 const char *sc_title[] = { 5259 gettext("Permission sets:\n"), 5260 gettext("Create time permissions:\n"), 5261 NULL 5262 }; 5263 const char **title_ptr = sc_title; 5264 who_perm_node_t *who_node = NULL; 5265 int prev_weight = -1; 5266 5267 for (who_node = uu_avl_first(who_avl); who_node != NULL; 5268 who_node = uu_avl_next(who_avl, who_node)) { 5269 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; 5270 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; 5271 const char *who_name = who_node->who_perm.who_name; 5272 int weight = who_type2weight(who_type); 5273 boolean_t first = B_TRUE; 5274 deleg_perm_node_t *deleg_node; 5275 5276 if (prev_weight != weight) { 5277 (void) printf(*title_ptr++); 5278 prev_weight = weight; 5279 } 5280 5281 if (who_name == NULL || strnlen(who_name, 1) == 0) 5282 (void) printf("\t"); 5283 else 5284 (void) printf("\t%s ", who_name); 5285 5286 for (deleg_node = uu_avl_first(avl); deleg_node != NULL; 5287 deleg_node = uu_avl_next(avl, deleg_node)) { 5288 if (first) { 5289 (void) printf("%s", 5290 deleg_node->dpn_perm.dp_name); 5291 first = B_FALSE; 5292 } else 5293 (void) printf(",%s", 5294 deleg_node->dpn_perm.dp_name); 5295 } 5296 5297 (void) printf("\n"); 5298 } 5299 } 5300 5301 static void 5302 print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend, 5303 const char *title) 5304 { 5305 who_perm_node_t *who_node = NULL; 5306 boolean_t prt_title = B_TRUE; 5307 uu_avl_walk_t *walk; 5308 5309 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL) 5310 nomem(); 5311 5312 while ((who_node = uu_avl_walk_next(walk)) != NULL) { 5313 const char *who_name = who_node->who_perm.who_name; 5314 const char *nice_who_name = who_node->who_perm.who_ug_name; 5315 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; 5316 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; 5317 char delim = ' '; 5318 deleg_perm_node_t *deleg_node; 5319 boolean_t prt_who = B_TRUE; 5320 5321 for (deleg_node = uu_avl_first(avl); 5322 deleg_node != NULL; 5323 deleg_node = uu_avl_next(avl, deleg_node)) { 5324 if (local != deleg_node->dpn_perm.dp_local || 5325 descend != deleg_node->dpn_perm.dp_descend) 5326 continue; 5327 5328 if (prt_who) { 5329 const char *who = NULL; 5330 if (prt_title) { 5331 prt_title = B_FALSE; 5332 (void) printf(title); 5333 } 5334 5335 switch (who_type) { 5336 case ZFS_DELEG_USER_SETS: 5337 case ZFS_DELEG_USER: 5338 who = gettext("user"); 5339 if (nice_who_name) 5340 who_name = nice_who_name; 5341 break; 5342 case ZFS_DELEG_GROUP_SETS: 5343 case ZFS_DELEG_GROUP: 5344 who = gettext("group"); 5345 if (nice_who_name) 5346 who_name = nice_who_name; 5347 break; 5348 case ZFS_DELEG_EVERYONE_SETS: 5349 case ZFS_DELEG_EVERYONE: 5350 who = gettext("everyone"); 5351 who_name = NULL; 5352 break; 5353 5354 default: 5355 assert(who != NULL); 5356 } 5357 5358 prt_who = B_FALSE; 5359 if (who_name == NULL) 5360 (void) printf("\t%s", who); 5361 else 5362 (void) printf("\t%s %s", who, who_name); 5363 } 5364 5365 (void) printf("%c%s", delim, 5366 deleg_node->dpn_perm.dp_name); 5367 delim = ','; 5368 } 5369 5370 if (!prt_who) 5371 (void) printf("\n"); 5372 } 5373 5374 uu_avl_walk_end(walk); 5375 } 5376 5377 static void 5378 print_fs_perms(fs_perm_set_t *fspset) 5379 { 5380 fs_perm_node_t *node = NULL; 5381 char buf[MAXNAMELEN + 32]; 5382 const char *dsname = buf; 5383 5384 for (node = uu_list_first(fspset->fsps_list); node != NULL; 5385 node = uu_list_next(fspset->fsps_list, node)) { 5386 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl; 5387 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl; 5388 int left = 0; 5389 5390 (void) snprintf(buf, sizeof (buf), 5391 gettext("---- Permissions on %s "), 5392 node->fspn_fsperm.fsp_name); 5393 (void) printf(dsname); 5394 left = 70 - strlen(buf); 5395 while (left-- > 0) 5396 (void) printf("-"); 5397 (void) printf("\n"); 5398 5399 print_set_creat_perms(sc_avl); 5400 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE, 5401 gettext("Local permissions:\n")); 5402 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE, 5403 gettext("Descendent permissions:\n")); 5404 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE, 5405 gettext("Local+Descendent permissions:\n")); 5406 } 5407 } 5408 5409 static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL }; 5410 5411 struct deleg_perms { 5412 boolean_t un; 5413 nvlist_t *nvl; 5414 }; 5415 5416 static int 5417 set_deleg_perms(zfs_handle_t *zhp, void *data) 5418 { 5419 struct deleg_perms *perms = (struct deleg_perms *)data; 5420 zfs_type_t zfs_type = zfs_get_type(zhp); 5421 5422 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME) 5423 return (0); 5424 5425 return (zfs_set_fsacl(zhp, perms->un, perms->nvl)); 5426 } 5427 5428 static int 5429 zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un) 5430 { 5431 zfs_handle_t *zhp; 5432 nvlist_t *perm_nvl = NULL; 5433 nvlist_t *update_perm_nvl = NULL; 5434 int error = 1; 5435 int c; 5436 struct allow_opts opts = { 0 }; 5437 5438 const char *optstr = un ? "ldugecsrh" : "ldugecsh"; 5439 5440 /* check opts */ 5441 while ((c = getopt(argc, argv, optstr)) != -1) { 5442 switch (c) { 5443 case 'l': 5444 opts.local = B_TRUE; 5445 break; 5446 case 'd': 5447 opts.descend = B_TRUE; 5448 break; 5449 case 'u': 5450 opts.user = B_TRUE; 5451 break; 5452 case 'g': 5453 opts.group = B_TRUE; 5454 break; 5455 case 'e': 5456 opts.everyone = B_TRUE; 5457 break; 5458 case 's': 5459 opts.set = B_TRUE; 5460 break; 5461 case 'c': 5462 opts.create = B_TRUE; 5463 break; 5464 case 'r': 5465 opts.recursive = B_TRUE; 5466 break; 5467 case ':': 5468 (void) fprintf(stderr, gettext("missing argument for " 5469 "'%c' option\n"), optopt); 5470 usage(B_FALSE); 5471 break; 5472 case 'h': 5473 opts.prt_usage = B_TRUE; 5474 break; 5475 case '?': 5476 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5477 optopt); 5478 usage(B_FALSE); 5479 } 5480 } 5481 5482 argc -= optind; 5483 argv += optind; 5484 5485 /* check arguments */ 5486 parse_allow_args(argc, argv, un, &opts); 5487 5488 /* try to open the dataset */ 5489 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM | 5490 ZFS_TYPE_VOLUME)) == NULL) { 5491 (void) fprintf(stderr, "Failed to open dataset: %s\n", 5492 opts.dataset); 5493 return (-1); 5494 } 5495 5496 if (zfs_get_fsacl(zhp, &perm_nvl) != 0) 5497 goto cleanup2; 5498 5499 fs_perm_set_init(&fs_perm_set); 5500 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) { 5501 (void) fprintf(stderr, "Failed to parse fsacl permissions\n"); 5502 goto cleanup1; 5503 } 5504 5505 if (opts.prt_perms) 5506 print_fs_perms(&fs_perm_set); 5507 else { 5508 (void) construct_fsacl_list(un, &opts, &update_perm_nvl); 5509 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0) 5510 goto cleanup0; 5511 5512 if (un && opts.recursive) { 5513 struct deleg_perms data = { un, update_perm_nvl }; 5514 if (zfs_iter_filesystems(zhp, set_deleg_perms, 5515 &data) != 0) 5516 goto cleanup0; 5517 } 5518 } 5519 5520 error = 0; 5521 5522 cleanup0: 5523 nvlist_free(perm_nvl); 5524 nvlist_free(update_perm_nvl); 5525 cleanup1: 5526 fs_perm_set_fini(&fs_perm_set); 5527 cleanup2: 5528 zfs_close(zhp); 5529 5530 return (error); 5531 } 5532 5533 static int 5534 zfs_do_allow(int argc, char **argv) 5535 { 5536 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE)); 5537 } 5538 5539 static int 5540 zfs_do_unallow(int argc, char **argv) 5541 { 5542 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE)); 5543 } 5544 5545 static int 5546 zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding) 5547 { 5548 int errors = 0; 5549 int i; 5550 const char *tag; 5551 boolean_t recursive = B_FALSE; 5552 const char *opts = holding ? "rt" : "r"; 5553 int c; 5554 5555 /* check options */ 5556 while ((c = getopt(argc, argv, opts)) != -1) { 5557 switch (c) { 5558 case 'r': 5559 recursive = B_TRUE; 5560 break; 5561 case '?': 5562 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5563 optopt); 5564 usage(B_FALSE); 5565 } 5566 } 5567 5568 argc -= optind; 5569 argv += optind; 5570 5571 /* check number of arguments */ 5572 if (argc < 2) 5573 usage(B_FALSE); 5574 5575 tag = argv[0]; 5576 --argc; 5577 ++argv; 5578 5579 if (holding && tag[0] == '.') { 5580 /* tags starting with '.' are reserved for libzfs */ 5581 (void) fprintf(stderr, gettext("tag may not start with '.'\n")); 5582 usage(B_FALSE); 5583 } 5584 5585 for (i = 0; i < argc; ++i) { 5586 zfs_handle_t *zhp; 5587 char parent[ZFS_MAX_DATASET_NAME_LEN]; 5588 const char *delim; 5589 char *path = argv[i]; 5590 5591 delim = strchr(path, '@'); 5592 if (delim == NULL) { 5593 (void) fprintf(stderr, 5594 gettext("'%s' is not a snapshot\n"), path); 5595 ++errors; 5596 continue; 5597 } 5598 (void) strncpy(parent, path, delim - path); 5599 parent[delim - path] = '\0'; 5600 5601 zhp = zfs_open(g_zfs, parent, 5602 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 5603 if (zhp == NULL) { 5604 ++errors; 5605 continue; 5606 } 5607 if (holding) { 5608 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0) 5609 ++errors; 5610 } else { 5611 if (zfs_release(zhp, delim+1, tag, recursive) != 0) 5612 ++errors; 5613 } 5614 zfs_close(zhp); 5615 } 5616 5617 return (errors != 0); 5618 } 5619 5620 /* 5621 * zfs hold [-r] [-t] <tag> <snap> ... 5622 * 5623 * -r Recursively hold 5624 * 5625 * Apply a user-hold with the given tag to the list of snapshots. 5626 */ 5627 static int 5628 zfs_do_hold(int argc, char **argv) 5629 { 5630 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE)); 5631 } 5632 5633 /* 5634 * zfs release [-r] <tag> <snap> ... 5635 * 5636 * -r Recursively release 5637 * 5638 * Release a user-hold with the given tag from the list of snapshots. 5639 */ 5640 static int 5641 zfs_do_release(int argc, char **argv) 5642 { 5643 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE)); 5644 } 5645 5646 typedef struct holds_cbdata { 5647 boolean_t cb_recursive; 5648 const char *cb_snapname; 5649 nvlist_t **cb_nvlp; 5650 size_t cb_max_namelen; 5651 size_t cb_max_taglen; 5652 } holds_cbdata_t; 5653 5654 #define STRFTIME_FMT_STR "%a %b %e %k:%M %Y" 5655 #define DATETIME_BUF_LEN (32) 5656 /* 5657 * 5658 */ 5659 static void 5660 print_holds(boolean_t scripted, size_t nwidth, size_t tagwidth, nvlist_t *nvl) 5661 { 5662 int i; 5663 nvpair_t *nvp = NULL; 5664 char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" }; 5665 const char *col; 5666 5667 if (!scripted) { 5668 for (i = 0; i < 3; i++) { 5669 col = gettext(hdr_cols[i]); 5670 if (i < 2) 5671 (void) printf("%-*s ", i ? tagwidth : nwidth, 5672 col); 5673 else 5674 (void) printf("%s\n", col); 5675 } 5676 } 5677 5678 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 5679 char *zname = nvpair_name(nvp); 5680 nvlist_t *nvl2; 5681 nvpair_t *nvp2 = NULL; 5682 (void) nvpair_value_nvlist(nvp, &nvl2); 5683 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) { 5684 char tsbuf[DATETIME_BUF_LEN]; 5685 char *tagname = nvpair_name(nvp2); 5686 uint64_t val = 0; 5687 time_t time; 5688 struct tm t; 5689 5690 (void) nvpair_value_uint64(nvp2, &val); 5691 time = (time_t)val; 5692 (void) localtime_r(&time, &t); 5693 (void) strftime(tsbuf, DATETIME_BUF_LEN, 5694 gettext(STRFTIME_FMT_STR), &t); 5695 5696 if (scripted) { 5697 (void) printf("%s\t%s\t%s\n", zname, 5698 tagname, tsbuf); 5699 } else { 5700 (void) printf("%-*s %-*s %s\n", nwidth, 5701 zname, tagwidth, tagname, tsbuf); 5702 } 5703 } 5704 } 5705 } 5706 5707 /* 5708 * Generic callback function to list a dataset or snapshot. 5709 */ 5710 static int 5711 holds_callback(zfs_handle_t *zhp, void *data) 5712 { 5713 holds_cbdata_t *cbp = data; 5714 nvlist_t *top_nvl = *cbp->cb_nvlp; 5715 nvlist_t *nvl = NULL; 5716 nvpair_t *nvp = NULL; 5717 const char *zname = zfs_get_name(zhp); 5718 size_t znamelen = strlen(zname); 5719 5720 if (cbp->cb_recursive) { 5721 const char *snapname; 5722 char *delim = strchr(zname, '@'); 5723 if (delim == NULL) 5724 return (0); 5725 5726 snapname = delim + 1; 5727 if (strcmp(cbp->cb_snapname, snapname)) 5728 return (0); 5729 } 5730 5731 if (zfs_get_holds(zhp, &nvl) != 0) 5732 return (-1); 5733 5734 if (znamelen > cbp->cb_max_namelen) 5735 cbp->cb_max_namelen = znamelen; 5736 5737 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 5738 const char *tag = nvpair_name(nvp); 5739 size_t taglen = strlen(tag); 5740 if (taglen > cbp->cb_max_taglen) 5741 cbp->cb_max_taglen = taglen; 5742 } 5743 5744 return (nvlist_add_nvlist(top_nvl, zname, nvl)); 5745 } 5746 5747 /* 5748 * zfs holds [-r] <snap> ... 5749 * 5750 * -r Recursively hold 5751 */ 5752 static int 5753 zfs_do_holds(int argc, char **argv) 5754 { 5755 int errors = 0; 5756 int c; 5757 int i; 5758 boolean_t scripted = B_FALSE; 5759 boolean_t recursive = B_FALSE; 5760 const char *opts = "rH"; 5761 nvlist_t *nvl; 5762 5763 int types = ZFS_TYPE_SNAPSHOT; 5764 holds_cbdata_t cb = { 0 }; 5765 5766 int limit = 0; 5767 int ret = 0; 5768 int flags = 0; 5769 5770 /* check options */ 5771 while ((c = getopt(argc, argv, opts)) != -1) { 5772 switch (c) { 5773 case 'r': 5774 recursive = B_TRUE; 5775 break; 5776 case 'H': 5777 scripted = B_TRUE; 5778 break; 5779 case '?': 5780 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5781 optopt); 5782 usage(B_FALSE); 5783 } 5784 } 5785 5786 if (recursive) { 5787 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME; 5788 flags |= ZFS_ITER_RECURSE; 5789 } 5790 5791 argc -= optind; 5792 argv += optind; 5793 5794 /* check number of arguments */ 5795 if (argc < 1) 5796 usage(B_FALSE); 5797 5798 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 5799 nomem(); 5800 5801 for (i = 0; i < argc; ++i) { 5802 char *snapshot = argv[i]; 5803 const char *delim; 5804 const char *snapname; 5805 5806 delim = strchr(snapshot, '@'); 5807 if (delim == NULL) { 5808 (void) fprintf(stderr, 5809 gettext("'%s' is not a snapshot\n"), snapshot); 5810 ++errors; 5811 continue; 5812 } 5813 snapname = delim + 1; 5814 if (recursive) 5815 snapshot[delim - snapshot] = '\0'; 5816 5817 cb.cb_recursive = recursive; 5818 cb.cb_snapname = snapname; 5819 cb.cb_nvlp = &nvl; 5820 5821 /* 5822 * 1. collect holds data, set format options 5823 */ 5824 ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit, 5825 holds_callback, &cb); 5826 if (ret != 0) 5827 ++errors; 5828 } 5829 5830 /* 5831 * 2. print holds data 5832 */ 5833 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl); 5834 5835 if (nvlist_empty(nvl)) 5836 (void) printf(gettext("no datasets available\n")); 5837 5838 nvlist_free(nvl); 5839 5840 return (0 != errors); 5841 } 5842 5843 #define CHECK_SPINNER 30 5844 #define SPINNER_TIME 3 /* seconds */ 5845 #define MOUNT_TIME 1 /* seconds */ 5846 5847 typedef struct get_all_state { 5848 boolean_t ga_verbose; 5849 get_all_cb_t *ga_cbp; 5850 } get_all_state_t; 5851 5852 static int 5853 get_one_dataset(zfs_handle_t *zhp, void *data) 5854 { 5855 static char *spin[] = { "-", "\\", "|", "/" }; 5856 static int spinval = 0; 5857 static int spincheck = 0; 5858 static time_t last_spin_time = (time_t)0; 5859 get_all_state_t *state = data; 5860 zfs_type_t type = zfs_get_type(zhp); 5861 5862 if (state->ga_verbose) { 5863 if (--spincheck < 0) { 5864 time_t now = time(NULL); 5865 if (last_spin_time + SPINNER_TIME < now) { 5866 update_progress(spin[spinval++ % 4]); 5867 last_spin_time = now; 5868 } 5869 spincheck = CHECK_SPINNER; 5870 } 5871 } 5872 5873 /* 5874 * Interate over any nested datasets. 5875 */ 5876 if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) { 5877 zfs_close(zhp); 5878 return (1); 5879 } 5880 5881 /* 5882 * Skip any datasets whose type does not match. 5883 */ 5884 if ((type & ZFS_TYPE_FILESYSTEM) == 0) { 5885 zfs_close(zhp); 5886 return (0); 5887 } 5888 libzfs_add_handle(state->ga_cbp, zhp); 5889 assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc); 5890 5891 return (0); 5892 } 5893 5894 static void 5895 get_all_datasets(get_all_cb_t *cbp, boolean_t verbose) 5896 { 5897 get_all_state_t state = { 5898 .ga_verbose = verbose, 5899 .ga_cbp = cbp 5900 }; 5901 5902 if (verbose) 5903 set_progress_header(gettext("Reading ZFS config")); 5904 (void) zfs_iter_root(g_zfs, get_one_dataset, &state); 5905 5906 if (verbose) 5907 finish_progress(gettext("done.")); 5908 } 5909 5910 /* 5911 * Generic callback for sharing or mounting filesystems. Because the code is so 5912 * similar, we have a common function with an extra parameter to determine which 5913 * mode we are using. 5914 */ 5915 typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t; 5916 5917 typedef struct share_mount_state { 5918 share_mount_op_t sm_op; 5919 boolean_t sm_verbose; 5920 int sm_flags; 5921 char *sm_options; 5922 char *sm_proto; /* only valid for OP_SHARE */ 5923 mutex_t sm_lock; /* protects the remaining fields */ 5924 uint_t sm_total; /* number of filesystems to process */ 5925 uint_t sm_done; /* number of filesystems processed */ 5926 int sm_status; /* -1 if any of the share/mount operations failed */ 5927 } share_mount_state_t; 5928 5929 /* 5930 * Share or mount a dataset. 5931 */ 5932 static int 5933 share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol, 5934 boolean_t explicit, const char *options) 5935 { 5936 char mountpoint[ZFS_MAXPROPLEN]; 5937 char shareopts[ZFS_MAXPROPLEN]; 5938 char smbshareopts[ZFS_MAXPROPLEN]; 5939 const char *cmdname = op == OP_SHARE ? "share" : "mount"; 5940 struct mnttab mnt; 5941 uint64_t zoned, canmount; 5942 boolean_t shared_nfs, shared_smb; 5943 5944 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM); 5945 5946 /* 5947 * Check to make sure we can mount/share this dataset. If we 5948 * are in the global zone and the filesystem is exported to a 5949 * local zone, or if we are in a local zone and the 5950 * filesystem is not exported, then it is an error. 5951 */ 5952 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); 5953 5954 if (zoned && getzoneid() == GLOBAL_ZONEID) { 5955 if (!explicit) 5956 return (0); 5957 5958 (void) fprintf(stderr, gettext("cannot %s '%s': " 5959 "dataset is exported to a local zone\n"), cmdname, 5960 zfs_get_name(zhp)); 5961 return (1); 5962 5963 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) { 5964 if (!explicit) 5965 return (0); 5966 5967 (void) fprintf(stderr, gettext("cannot %s '%s': " 5968 "permission denied\n"), cmdname, 5969 zfs_get_name(zhp)); 5970 return (1); 5971 } 5972 5973 /* 5974 * Ignore any filesystems which don't apply to us. This 5975 * includes those with a legacy mountpoint, or those with 5976 * legacy share options. 5977 */ 5978 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, 5979 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0); 5980 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts, 5981 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0); 5982 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts, 5983 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0); 5984 5985 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 && 5986 strcmp(smbshareopts, "off") == 0) { 5987 if (!explicit) 5988 return (0); 5989 5990 (void) fprintf(stderr, gettext("cannot share '%s': " 5991 "legacy share\n"), zfs_get_name(zhp)); 5992 (void) fprintf(stderr, gettext("use share(1M) to " 5993 "share this filesystem, or set " 5994 "sharenfs property on\n")); 5995 return (1); 5996 } 5997 5998 /* 5999 * We cannot share or mount legacy filesystems. If the 6000 * shareopts is non-legacy but the mountpoint is legacy, we 6001 * treat it as a legacy share. 6002 */ 6003 if (strcmp(mountpoint, "legacy") == 0) { 6004 if (!explicit) 6005 return (0); 6006 6007 (void) fprintf(stderr, gettext("cannot %s '%s': " 6008 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp)); 6009 (void) fprintf(stderr, gettext("use %s(1M) to " 6010 "%s this filesystem\n"), cmdname, cmdname); 6011 return (1); 6012 } 6013 6014 if (strcmp(mountpoint, "none") == 0) { 6015 if (!explicit) 6016 return (0); 6017 6018 (void) fprintf(stderr, gettext("cannot %s '%s': no " 6019 "mountpoint set\n"), cmdname, zfs_get_name(zhp)); 6020 return (1); 6021 } 6022 6023 /* 6024 * canmount explicit outcome 6025 * on no pass through 6026 * on yes pass through 6027 * off no return 0 6028 * off yes display error, return 1 6029 * noauto no return 0 6030 * noauto yes pass through 6031 */ 6032 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); 6033 if (canmount == ZFS_CANMOUNT_OFF) { 6034 if (!explicit) 6035 return (0); 6036 6037 (void) fprintf(stderr, gettext("cannot %s '%s': " 6038 "'canmount' property is set to 'off'\n"), cmdname, 6039 zfs_get_name(zhp)); 6040 return (1); 6041 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) { 6042 return (0); 6043 } 6044 6045 /* 6046 * If this filesystem is encrypted and does not have 6047 * a loaded key, we can not mount it. 6048 */ 6049 if ((flags & MS_CRYPT) == 0 && 6050 zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF && 6051 zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) == 6052 ZFS_KEYSTATUS_UNAVAILABLE) { 6053 if (!explicit) 6054 return (0); 6055 6056 (void) fprintf(stderr, gettext("cannot %s '%s': " 6057 "encryption key not loaded\n"), cmdname, zfs_get_name(zhp)); 6058 return (1); 6059 } 6060 6061 /* 6062 * If this filesystem is inconsistent and has a receive resume 6063 * token, we can not mount it. 6064 */ 6065 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) && 6066 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, 6067 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) { 6068 if (!explicit) 6069 return (0); 6070 6071 (void) fprintf(stderr, gettext("cannot %s '%s': " 6072 "Contains partially-completed state from " 6073 "\"zfs receive -s\", which can be resumed with " 6074 "\"zfs send -t\"\n"), 6075 cmdname, zfs_get_name(zhp)); 6076 return (1); 6077 } 6078 6079 /* 6080 * At this point, we have verified that the mountpoint and/or 6081 * shareopts are appropriate for auto management. If the 6082 * filesystem is already mounted or shared, return (failing 6083 * for explicit requests); otherwise mount or share the 6084 * filesystem. 6085 */ 6086 switch (op) { 6087 case OP_SHARE: 6088 6089 shared_nfs = zfs_is_shared_nfs(zhp, NULL); 6090 shared_smb = zfs_is_shared_smb(zhp, NULL); 6091 6092 if ((shared_nfs && shared_smb) || 6093 (shared_nfs && strcmp(shareopts, "on") == 0 && 6094 strcmp(smbshareopts, "off") == 0) || 6095 (shared_smb && strcmp(smbshareopts, "on") == 0 && 6096 strcmp(shareopts, "off") == 0)) { 6097 if (!explicit) 6098 return (0); 6099 6100 (void) fprintf(stderr, gettext("cannot share " 6101 "'%s': filesystem already shared\n"), 6102 zfs_get_name(zhp)); 6103 return (1); 6104 } 6105 6106 if (!zfs_is_mounted(zhp, NULL) && 6107 zfs_mount(zhp, NULL, flags) != 0) 6108 return (1); 6109 6110 if (protocol == NULL) { 6111 if (zfs_shareall(zhp) != 0) 6112 return (1); 6113 } else if (strcmp(protocol, "nfs") == 0) { 6114 if (zfs_share_nfs(zhp)) 6115 return (1); 6116 } else if (strcmp(protocol, "smb") == 0) { 6117 if (zfs_share_smb(zhp)) 6118 return (1); 6119 } else { 6120 (void) fprintf(stderr, gettext("cannot share " 6121 "'%s': invalid share type '%s' " 6122 "specified\n"), 6123 zfs_get_name(zhp), protocol); 6124 return (1); 6125 } 6126 6127 break; 6128 6129 case OP_MOUNT: 6130 if (options == NULL) 6131 mnt.mnt_mntopts = ""; 6132 else 6133 mnt.mnt_mntopts = (char *)options; 6134 6135 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) && 6136 zfs_is_mounted(zhp, NULL)) { 6137 if (!explicit) 6138 return (0); 6139 6140 (void) fprintf(stderr, gettext("cannot mount " 6141 "'%s': filesystem already mounted\n"), 6142 zfs_get_name(zhp)); 6143 return (1); 6144 } 6145 6146 if (zfs_mount(zhp, options, flags) != 0) 6147 return (1); 6148 break; 6149 } 6150 6151 return (0); 6152 } 6153 6154 /* 6155 * Reports progress in the form "(current/total)". Not thread-safe. 6156 */ 6157 static void 6158 report_mount_progress(int current, int total) 6159 { 6160 static time_t last_progress_time = 0; 6161 time_t now = time(NULL); 6162 char info[32]; 6163 6164 /* display header if we're here for the first time */ 6165 if (current == 1) { 6166 set_progress_header(gettext("Mounting ZFS filesystems")); 6167 } else if (current != total && last_progress_time + MOUNT_TIME >= now) { 6168 /* too soon to report again */ 6169 return; 6170 } 6171 6172 last_progress_time = now; 6173 6174 (void) sprintf(info, "(%d/%d)", current, total); 6175 6176 if (current == total) 6177 finish_progress(info); 6178 else 6179 update_progress(info); 6180 } 6181 6182 /* 6183 * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and 6184 * updates the progress meter. 6185 */ 6186 static int 6187 share_mount_one_cb(zfs_handle_t *zhp, void *arg) 6188 { 6189 share_mount_state_t *sms = arg; 6190 int ret; 6191 6192 ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto, 6193 B_FALSE, sms->sm_options); 6194 6195 mutex_enter(&sms->sm_lock); 6196 if (ret != 0) 6197 sms->sm_status = ret; 6198 sms->sm_done++; 6199 if (sms->sm_verbose) 6200 report_mount_progress(sms->sm_done, sms->sm_total); 6201 mutex_exit(&sms->sm_lock); 6202 return (ret); 6203 } 6204 6205 static void 6206 append_options(char *mntopts, char *newopts) 6207 { 6208 int len = strlen(mntopts); 6209 6210 /* original length plus new string to append plus 1 for the comma */ 6211 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) { 6212 (void) fprintf(stderr, gettext("the opts argument for " 6213 "'%c' option is too long (more than %d chars)\n"), 6214 "-o", MNT_LINE_MAX); 6215 usage(B_FALSE); 6216 } 6217 6218 if (*mntopts) 6219 mntopts[len++] = ','; 6220 6221 (void) strcpy(&mntopts[len], newopts); 6222 } 6223 6224 static int 6225 share_mount(int op, int argc, char **argv) 6226 { 6227 int do_all = 0; 6228 boolean_t verbose = B_FALSE; 6229 int c, ret = 0; 6230 char *options = NULL; 6231 int flags = 0; 6232 6233 /* check options */ 6234 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":alvo:O" : "al")) 6235 != -1) { 6236 switch (c) { 6237 case 'a': 6238 do_all = 1; 6239 break; 6240 case 'v': 6241 verbose = B_TRUE; 6242 break; 6243 case 'l': 6244 flags |= MS_CRYPT; 6245 break; 6246 case 'o': 6247 if (*optarg == '\0') { 6248 (void) fprintf(stderr, gettext("empty mount " 6249 "options (-o) specified\n")); 6250 usage(B_FALSE); 6251 } 6252 6253 if (options == NULL) 6254 options = safe_malloc(MNT_LINE_MAX + 1); 6255 6256 /* option validation is done later */ 6257 append_options(options, optarg); 6258 break; 6259 6260 case 'O': 6261 flags |= MS_OVERLAY; 6262 break; 6263 case ':': 6264 (void) fprintf(stderr, gettext("missing argument for " 6265 "'%c' option\n"), optopt); 6266 usage(B_FALSE); 6267 break; 6268 case '?': 6269 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6270 optopt); 6271 usage(B_FALSE); 6272 } 6273 } 6274 6275 argc -= optind; 6276 argv += optind; 6277 6278 /* check number of arguments */ 6279 if (do_all) { 6280 char *protocol = NULL; 6281 6282 if (op == OP_SHARE && argc > 0) { 6283 if (strcmp(argv[0], "nfs") != 0 && 6284 strcmp(argv[0], "smb") != 0) { 6285 (void) fprintf(stderr, gettext("share type " 6286 "must be 'nfs' or 'smb'\n")); 6287 usage(B_FALSE); 6288 } 6289 protocol = argv[0]; 6290 argc--; 6291 argv++; 6292 } 6293 6294 if (argc != 0) { 6295 (void) fprintf(stderr, gettext("too many arguments\n")); 6296 usage(B_FALSE); 6297 } 6298 6299 start_progress_timer(); 6300 get_all_cb_t cb = { 0 }; 6301 get_all_datasets(&cb, verbose); 6302 6303 if (cb.cb_used == 0) 6304 return (0); 6305 6306 if (op == OP_SHARE) { 6307 sa_init_selective_arg_t sharearg; 6308 sharearg.zhandle_arr = cb.cb_handles; 6309 sharearg.zhandle_len = cb.cb_used; 6310 if ((ret = zfs_init_libshare_arg(g_zfs, 6311 SA_INIT_SHARE_API_SELECTIVE, &sharearg)) != SA_OK) { 6312 (void) fprintf(stderr, gettext( 6313 "Could not initialize libshare, %d"), ret); 6314 return (ret); 6315 } 6316 } 6317 6318 share_mount_state_t share_mount_state = { 0 }; 6319 share_mount_state.sm_op = op; 6320 share_mount_state.sm_verbose = verbose; 6321 share_mount_state.sm_flags = flags; 6322 share_mount_state.sm_options = options; 6323 share_mount_state.sm_proto = protocol; 6324 share_mount_state.sm_total = cb.cb_used; 6325 (void) mutex_init(&share_mount_state.sm_lock, 6326 LOCK_NORMAL | LOCK_ERRORCHECK, NULL); 6327 /* 6328 * libshare isn't mt-safe, so only do the operation in parallel 6329 * if we're mounting. 6330 */ 6331 zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used, 6332 share_mount_one_cb, &share_mount_state, op == OP_MOUNT); 6333 ret = share_mount_state.sm_status; 6334 6335 for (int i = 0; i < cb.cb_used; i++) 6336 zfs_close(cb.cb_handles[i]); 6337 free(cb.cb_handles); 6338 } else if (argc == 0) { 6339 struct mnttab entry; 6340 6341 if ((op == OP_SHARE) || (options != NULL)) { 6342 (void) fprintf(stderr, gettext("missing filesystem " 6343 "argument (specify -a for all)\n")); 6344 usage(B_FALSE); 6345 } 6346 6347 /* 6348 * When mount is given no arguments, go through /etc/mnttab and 6349 * display any active ZFS mounts. We hide any snapshots, since 6350 * they are controlled automatically. 6351 */ 6352 rewind(mnttab_file); 6353 while (getmntent(mnttab_file, &entry) == 0) { 6354 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 || 6355 strchr(entry.mnt_special, '@') != NULL) 6356 continue; 6357 6358 (void) printf("%-30s %s\n", entry.mnt_special, 6359 entry.mnt_mountp); 6360 } 6361 6362 } else { 6363 zfs_handle_t *zhp; 6364 6365 if (argc > 1) { 6366 (void) fprintf(stderr, 6367 gettext("too many arguments\n")); 6368 usage(B_FALSE); 6369 } 6370 6371 if ((zhp = zfs_open(g_zfs, argv[0], 6372 ZFS_TYPE_FILESYSTEM)) == NULL) { 6373 ret = 1; 6374 } else { 6375 ret = share_mount_one(zhp, op, flags, NULL, B_TRUE, 6376 options); 6377 zfs_close(zhp); 6378 } 6379 } 6380 6381 return (ret); 6382 } 6383 6384 /* 6385 * zfs mount -a [nfs] 6386 * zfs mount filesystem 6387 * 6388 * Mount all filesystems, or mount the given filesystem. 6389 */ 6390 static int 6391 zfs_do_mount(int argc, char **argv) 6392 { 6393 return (share_mount(OP_MOUNT, argc, argv)); 6394 } 6395 6396 /* 6397 * zfs share -a [nfs | smb] 6398 * zfs share filesystem 6399 * 6400 * Share all filesystems, or share the given filesystem. 6401 */ 6402 static int 6403 zfs_do_share(int argc, char **argv) 6404 { 6405 return (share_mount(OP_SHARE, argc, argv)); 6406 } 6407 6408 typedef struct unshare_unmount_node { 6409 zfs_handle_t *un_zhp; 6410 char *un_mountp; 6411 uu_avl_node_t un_avlnode; 6412 } unshare_unmount_node_t; 6413 6414 /* ARGSUSED */ 6415 static int 6416 unshare_unmount_compare(const void *larg, const void *rarg, void *unused) 6417 { 6418 const unshare_unmount_node_t *l = larg; 6419 const unshare_unmount_node_t *r = rarg; 6420 6421 return (strcmp(l->un_mountp, r->un_mountp)); 6422 } 6423 6424 /* 6425 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an 6426 * absolute path, find the entry /etc/mnttab, verify that its a ZFS filesystem, 6427 * and unmount it appropriately. 6428 */ 6429 static int 6430 unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) 6431 { 6432 zfs_handle_t *zhp; 6433 int ret = 0; 6434 struct stat64 statbuf; 6435 struct extmnttab entry; 6436 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount"; 6437 ino_t path_inode; 6438 6439 /* 6440 * Search for the path in /etc/mnttab. Rather than looking for the 6441 * specific path, which can be fooled by non-standard paths (i.e. ".." 6442 * or "//"), we stat() the path and search for the corresponding 6443 * (major,minor) device pair. 6444 */ 6445 if (stat64(path, &statbuf) != 0) { 6446 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), 6447 cmdname, path, strerror(errno)); 6448 return (1); 6449 } 6450 path_inode = statbuf.st_ino; 6451 6452 /* 6453 * Search for the given (major,minor) pair in the mount table. 6454 */ 6455 rewind(mnttab_file); 6456 while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) { 6457 if (entry.mnt_major == major(statbuf.st_dev) && 6458 entry.mnt_minor == minor(statbuf.st_dev)) 6459 break; 6460 } 6461 if (ret != 0) { 6462 if (op == OP_SHARE) { 6463 (void) fprintf(stderr, gettext("cannot %s '%s': not " 6464 "currently mounted\n"), cmdname, path); 6465 return (1); 6466 } 6467 (void) fprintf(stderr, gettext("warning: %s not in mnttab\n"), 6468 path); 6469 if ((ret = umount2(path, flags)) != 0) 6470 (void) fprintf(stderr, gettext("%s: %s\n"), path, 6471 strerror(errno)); 6472 return (ret != 0); 6473 } 6474 6475 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { 6476 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS " 6477 "filesystem\n"), cmdname, path); 6478 return (1); 6479 } 6480 6481 if ((zhp = zfs_open(g_zfs, entry.mnt_special, 6482 ZFS_TYPE_FILESYSTEM)) == NULL) 6483 return (1); 6484 6485 ret = 1; 6486 if (stat64(entry.mnt_mountp, &statbuf) != 0) { 6487 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), 6488 cmdname, path, strerror(errno)); 6489 goto out; 6490 } else if (statbuf.st_ino != path_inode) { 6491 (void) fprintf(stderr, gettext("cannot " 6492 "%s '%s': not a mountpoint\n"), cmdname, path); 6493 goto out; 6494 } 6495 6496 if (op == OP_SHARE) { 6497 char nfs_mnt_prop[ZFS_MAXPROPLEN]; 6498 char smbshare_prop[ZFS_MAXPROPLEN]; 6499 6500 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop, 6501 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0); 6502 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop, 6503 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0); 6504 6505 if (strcmp(nfs_mnt_prop, "off") == 0 && 6506 strcmp(smbshare_prop, "off") == 0) { 6507 (void) fprintf(stderr, gettext("cannot unshare " 6508 "'%s': legacy share\n"), path); 6509 (void) fprintf(stderr, gettext("use " 6510 "unshare(1M) to unshare this filesystem\n")); 6511 } else if (!zfs_is_shared(zhp)) { 6512 (void) fprintf(stderr, gettext("cannot unshare '%s': " 6513 "not currently shared\n"), path); 6514 } else { 6515 ret = zfs_unshareall_bypath(zhp, path); 6516 } 6517 } else { 6518 char mtpt_prop[ZFS_MAXPROPLEN]; 6519 6520 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop, 6521 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0); 6522 6523 if (is_manual) { 6524 ret = zfs_unmount(zhp, NULL, flags); 6525 } else if (strcmp(mtpt_prop, "legacy") == 0) { 6526 (void) fprintf(stderr, gettext("cannot unmount " 6527 "'%s': legacy mountpoint\n"), 6528 zfs_get_name(zhp)); 6529 (void) fprintf(stderr, gettext("use umount(1M) " 6530 "to unmount this filesystem\n")); 6531 } else { 6532 ret = zfs_unmountall(zhp, flags); 6533 } 6534 } 6535 6536 out: 6537 zfs_close(zhp); 6538 6539 return (ret != 0); 6540 } 6541 6542 /* 6543 * Generic callback for unsharing or unmounting a filesystem. 6544 */ 6545 static int 6546 unshare_unmount(int op, int argc, char **argv) 6547 { 6548 int do_all = 0; 6549 int flags = 0; 6550 int ret = 0; 6551 int c; 6552 zfs_handle_t *zhp; 6553 char nfs_mnt_prop[ZFS_MAXPROPLEN]; 6554 char sharesmb[ZFS_MAXPROPLEN]; 6555 6556 /* check options */ 6557 while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) { 6558 switch (c) { 6559 case 'a': 6560 do_all = 1; 6561 break; 6562 case 'f': 6563 flags = MS_FORCE; 6564 break; 6565 case '?': 6566 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6567 optopt); 6568 usage(B_FALSE); 6569 } 6570 } 6571 6572 argc -= optind; 6573 argv += optind; 6574 6575 if (do_all) { 6576 /* 6577 * We could make use of zfs_for_each() to walk all datasets in 6578 * the system, but this would be very inefficient, especially 6579 * since we would have to linearly search /etc/mnttab for each 6580 * one. Instead, do one pass through /etc/mnttab looking for 6581 * zfs entries and call zfs_unmount() for each one. 6582 * 6583 * Things get a little tricky if the administrator has created 6584 * mountpoints beneath other ZFS filesystems. In this case, we 6585 * have to unmount the deepest filesystems first. To accomplish 6586 * this, we place all the mountpoints in an AVL tree sorted by 6587 * the special type (dataset name), and walk the result in 6588 * reverse to make sure to get any snapshots first. 6589 */ 6590 struct mnttab entry; 6591 uu_avl_pool_t *pool; 6592 uu_avl_t *tree = NULL; 6593 unshare_unmount_node_t *node; 6594 uu_avl_index_t idx; 6595 uu_avl_walk_t *walk; 6596 6597 if (argc != 0) { 6598 (void) fprintf(stderr, gettext("too many arguments\n")); 6599 usage(B_FALSE); 6600 } 6601 6602 if (((pool = uu_avl_pool_create("unmount_pool", 6603 sizeof (unshare_unmount_node_t), 6604 offsetof(unshare_unmount_node_t, un_avlnode), 6605 unshare_unmount_compare, UU_DEFAULT)) == NULL) || 6606 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL)) 6607 nomem(); 6608 6609 rewind(mnttab_file); 6610 while (getmntent(mnttab_file, &entry) == 0) { 6611 6612 /* ignore non-ZFS entries */ 6613 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) 6614 continue; 6615 6616 /* ignore snapshots */ 6617 if (strchr(entry.mnt_special, '@') != NULL) 6618 continue; 6619 6620 if ((zhp = zfs_open(g_zfs, entry.mnt_special, 6621 ZFS_TYPE_FILESYSTEM)) == NULL) { 6622 ret = 1; 6623 continue; 6624 } 6625 6626 /* 6627 * Ignore datasets that are excluded/restricted by 6628 * parent pool name. 6629 */ 6630 if (zpool_skip_pool(zfs_get_pool_name(zhp))) { 6631 zfs_close(zhp); 6632 continue; 6633 } 6634 6635 switch (op) { 6636 case OP_SHARE: 6637 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, 6638 nfs_mnt_prop, 6639 sizeof (nfs_mnt_prop), 6640 NULL, NULL, 0, B_FALSE) == 0); 6641 if (strcmp(nfs_mnt_prop, "off") != 0) 6642 break; 6643 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, 6644 nfs_mnt_prop, 6645 sizeof (nfs_mnt_prop), 6646 NULL, NULL, 0, B_FALSE) == 0); 6647 if (strcmp(nfs_mnt_prop, "off") == 0) 6648 continue; 6649 break; 6650 case OP_MOUNT: 6651 /* Ignore legacy mounts */ 6652 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, 6653 nfs_mnt_prop, 6654 sizeof (nfs_mnt_prop), 6655 NULL, NULL, 0, B_FALSE) == 0); 6656 if (strcmp(nfs_mnt_prop, "legacy") == 0) 6657 continue; 6658 /* Ignore canmount=noauto mounts */ 6659 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == 6660 ZFS_CANMOUNT_NOAUTO) 6661 continue; 6662 default: 6663 break; 6664 } 6665 6666 node = safe_malloc(sizeof (unshare_unmount_node_t)); 6667 node->un_zhp = zhp; 6668 node->un_mountp = safe_strdup(entry.mnt_mountp); 6669 6670 uu_avl_node_init(node, &node->un_avlnode, pool); 6671 6672 if (uu_avl_find(tree, node, NULL, &idx) == NULL) { 6673 uu_avl_insert(tree, node, idx); 6674 } else { 6675 zfs_close(node->un_zhp); 6676 free(node->un_mountp); 6677 free(node); 6678 } 6679 } 6680 6681 /* 6682 * Walk the AVL tree in reverse, unmounting each filesystem and 6683 * removing it from the AVL tree in the process. 6684 */ 6685 if ((walk = uu_avl_walk_start(tree, 6686 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL) 6687 nomem(); 6688 6689 while ((node = uu_avl_walk_next(walk)) != NULL) { 6690 uu_avl_remove(tree, node); 6691 6692 switch (op) { 6693 case OP_SHARE: 6694 if (zfs_unshareall_bypath(node->un_zhp, 6695 node->un_mountp) != 0) 6696 ret = 1; 6697 break; 6698 6699 case OP_MOUNT: 6700 if (zfs_unmount(node->un_zhp, 6701 node->un_mountp, flags) != 0) 6702 ret = 1; 6703 break; 6704 } 6705 6706 zfs_close(node->un_zhp); 6707 free(node->un_mountp); 6708 free(node); 6709 } 6710 6711 uu_avl_walk_end(walk); 6712 uu_avl_destroy(tree); 6713 uu_avl_pool_destroy(pool); 6714 6715 } else { 6716 if (argc != 1) { 6717 if (argc == 0) 6718 (void) fprintf(stderr, 6719 gettext("missing filesystem argument\n")); 6720 else 6721 (void) fprintf(stderr, 6722 gettext("too many arguments\n")); 6723 usage(B_FALSE); 6724 } 6725 6726 /* 6727 * We have an argument, but it may be a full path or a ZFS 6728 * filesystem. Pass full paths off to unmount_path() (shared by 6729 * manual_unmount), otherwise open the filesystem and pass to 6730 * zfs_unmount(). 6731 */ 6732 if (argv[0][0] == '/') 6733 return (unshare_unmount_path(op, argv[0], 6734 flags, B_FALSE)); 6735 6736 if ((zhp = zfs_open(g_zfs, argv[0], 6737 ZFS_TYPE_FILESYSTEM)) == NULL) 6738 return (1); 6739 6740 verify(zfs_prop_get(zhp, op == OP_SHARE ? 6741 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT, 6742 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL, 6743 NULL, 0, B_FALSE) == 0); 6744 6745 switch (op) { 6746 case OP_SHARE: 6747 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, 6748 nfs_mnt_prop, 6749 sizeof (nfs_mnt_prop), 6750 NULL, NULL, 0, B_FALSE) == 0); 6751 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, 6752 sharesmb, sizeof (sharesmb), NULL, NULL, 6753 0, B_FALSE) == 0); 6754 6755 if (strcmp(nfs_mnt_prop, "off") == 0 && 6756 strcmp(sharesmb, "off") == 0) { 6757 (void) fprintf(stderr, gettext("cannot " 6758 "unshare '%s': legacy share\n"), 6759 zfs_get_name(zhp)); 6760 (void) fprintf(stderr, gettext("use " 6761 "unshare(1M) to unshare this " 6762 "filesystem\n")); 6763 ret = 1; 6764 } else if (!zfs_is_shared(zhp)) { 6765 (void) fprintf(stderr, gettext("cannot " 6766 "unshare '%s': not currently " 6767 "shared\n"), zfs_get_name(zhp)); 6768 ret = 1; 6769 } else if (zfs_unshareall(zhp) != 0) { 6770 ret = 1; 6771 } 6772 break; 6773 6774 case OP_MOUNT: 6775 if (strcmp(nfs_mnt_prop, "legacy") == 0) { 6776 (void) fprintf(stderr, gettext("cannot " 6777 "unmount '%s': legacy " 6778 "mountpoint\n"), zfs_get_name(zhp)); 6779 (void) fprintf(stderr, gettext("use " 6780 "umount(1M) to unmount this " 6781 "filesystem\n")); 6782 ret = 1; 6783 } else if (!zfs_is_mounted(zhp, NULL)) { 6784 (void) fprintf(stderr, gettext("cannot " 6785 "unmount '%s': not currently " 6786 "mounted\n"), 6787 zfs_get_name(zhp)); 6788 ret = 1; 6789 } else if (zfs_unmountall(zhp, flags) != 0) { 6790 ret = 1; 6791 } 6792 break; 6793 } 6794 6795 zfs_close(zhp); 6796 } 6797 6798 return (ret); 6799 } 6800 6801 /* 6802 * zfs unmount -a 6803 * zfs unmount filesystem 6804 * 6805 * Unmount all filesystems, or a specific ZFS filesystem. 6806 */ 6807 static int 6808 zfs_do_unmount(int argc, char **argv) 6809 { 6810 return (unshare_unmount(OP_MOUNT, argc, argv)); 6811 } 6812 6813 /* 6814 * zfs unshare -a 6815 * zfs unshare filesystem 6816 * 6817 * Unshare all filesystems, or a specific ZFS filesystem. 6818 */ 6819 static int 6820 zfs_do_unshare(int argc, char **argv) 6821 { 6822 return (unshare_unmount(OP_SHARE, argc, argv)); 6823 } 6824 6825 /* 6826 * Called when invoked as /etc/fs/zfs/mount. Do the mount if the mountpoint is 6827 * 'legacy'. Otherwise, complain that use should be using 'zfs mount'. 6828 */ 6829 static int 6830 manual_mount(int argc, char **argv) 6831 { 6832 zfs_handle_t *zhp; 6833 char mountpoint[ZFS_MAXPROPLEN]; 6834 char mntopts[MNT_LINE_MAX] = { '\0' }; 6835 int ret = 0; 6836 int c; 6837 int flags = 0; 6838 char *dataset, *path; 6839 6840 /* check options */ 6841 while ((c = getopt(argc, argv, ":mo:O")) != -1) { 6842 switch (c) { 6843 case 'o': 6844 (void) strlcpy(mntopts, optarg, sizeof (mntopts)); 6845 break; 6846 case 'O': 6847 flags |= MS_OVERLAY; 6848 break; 6849 case 'm': 6850 flags |= MS_NOMNTTAB; 6851 break; 6852 case ':': 6853 (void) fprintf(stderr, gettext("missing argument for " 6854 "'%c' option\n"), optopt); 6855 usage(B_FALSE); 6856 break; 6857 case '?': 6858 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6859 optopt); 6860 (void) fprintf(stderr, gettext("usage: mount [-o opts] " 6861 "<path>\n")); 6862 return (2); 6863 } 6864 } 6865 6866 argc -= optind; 6867 argv += optind; 6868 6869 /* check that we only have two arguments */ 6870 if (argc != 2) { 6871 if (argc == 0) 6872 (void) fprintf(stderr, gettext("missing dataset " 6873 "argument\n")); 6874 else if (argc == 1) 6875 (void) fprintf(stderr, 6876 gettext("missing mountpoint argument\n")); 6877 else 6878 (void) fprintf(stderr, gettext("too many arguments\n")); 6879 (void) fprintf(stderr, "usage: mount <dataset> <mountpoint>\n"); 6880 return (2); 6881 } 6882 6883 dataset = argv[0]; 6884 path = argv[1]; 6885 6886 /* try to open the dataset */ 6887 if ((zhp = zfs_open(g_zfs, dataset, ZFS_TYPE_FILESYSTEM)) == NULL) 6888 return (1); 6889 6890 (void) zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, 6891 sizeof (mountpoint), NULL, NULL, 0, B_FALSE); 6892 6893 /* check for legacy mountpoint and complain appropriately */ 6894 ret = 0; 6895 if (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) == 0) { 6896 if (mount(dataset, path, MS_OPTIONSTR | flags, MNTTYPE_ZFS, 6897 NULL, 0, mntopts, sizeof (mntopts)) != 0) { 6898 (void) fprintf(stderr, gettext("mount failed: %s\n"), 6899 strerror(errno)); 6900 ret = 1; 6901 } 6902 } else { 6903 (void) fprintf(stderr, gettext("filesystem '%s' cannot be " 6904 "mounted using 'mount -F zfs'\n"), dataset); 6905 (void) fprintf(stderr, gettext("Use 'zfs set mountpoint=%s' " 6906 "instead.\n"), path); 6907 (void) fprintf(stderr, gettext("If you must use 'mount -F zfs' " 6908 "or /etc/vfstab, use 'zfs set mountpoint=legacy'.\n")); 6909 (void) fprintf(stderr, gettext("See zfs(1M) for more " 6910 "information.\n")); 6911 ret = 1; 6912 } 6913 6914 return (ret); 6915 } 6916 6917 /* 6918 * Called when invoked as /etc/fs/zfs/umount. Unlike a manual mount, we allow 6919 * unmounts of non-legacy filesystems, as this is the dominant administrative 6920 * interface. 6921 */ 6922 static int 6923 manual_unmount(int argc, char **argv) 6924 { 6925 int flags = 0; 6926 int c; 6927 6928 /* check options */ 6929 while ((c = getopt(argc, argv, "f")) != -1) { 6930 switch (c) { 6931 case 'f': 6932 flags = MS_FORCE; 6933 break; 6934 case '?': 6935 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6936 optopt); 6937 (void) fprintf(stderr, gettext("usage: unmount [-f] " 6938 "<path>\n")); 6939 return (2); 6940 } 6941 } 6942 6943 argc -= optind; 6944 argv += optind; 6945 6946 /* check arguments */ 6947 if (argc != 1) { 6948 if (argc == 0) 6949 (void) fprintf(stderr, gettext("missing path " 6950 "argument\n")); 6951 else 6952 (void) fprintf(stderr, gettext("too many arguments\n")); 6953 (void) fprintf(stderr, gettext("usage: unmount [-f] <path>\n")); 6954 return (2); 6955 } 6956 6957 return (unshare_unmount_path(OP_MOUNT, argv[0], flags, B_TRUE)); 6958 } 6959 6960 static int 6961 find_command_idx(char *command, int *idx) 6962 { 6963 int i; 6964 6965 for (i = 0; i < NCOMMAND; i++) { 6966 if (command_table[i].name == NULL) 6967 continue; 6968 6969 if (strcmp(command, command_table[i].name) == 0) { 6970 *idx = i; 6971 return (0); 6972 } 6973 } 6974 return (1); 6975 } 6976 6977 static int 6978 zfs_do_diff(int argc, char **argv) 6979 { 6980 zfs_handle_t *zhp; 6981 int flags = 0; 6982 char *tosnap = NULL; 6983 char *fromsnap = NULL; 6984 char *atp, *copy; 6985 int err = 0; 6986 int c; 6987 6988 while ((c = getopt(argc, argv, "FHt")) != -1) { 6989 switch (c) { 6990 case 'F': 6991 flags |= ZFS_DIFF_CLASSIFY; 6992 break; 6993 case 'H': 6994 flags |= ZFS_DIFF_PARSEABLE; 6995 break; 6996 case 't': 6997 flags |= ZFS_DIFF_TIMESTAMP; 6998 break; 6999 default: 7000 (void) fprintf(stderr, 7001 gettext("invalid option '%c'\n"), optopt); 7002 usage(B_FALSE); 7003 } 7004 } 7005 7006 argc -= optind; 7007 argv += optind; 7008 7009 if (argc < 1) { 7010 (void) fprintf(stderr, 7011 gettext("must provide at least one snapshot name\n")); 7012 usage(B_FALSE); 7013 } 7014 7015 if (argc > 2) { 7016 (void) fprintf(stderr, gettext("too many arguments\n")); 7017 usage(B_FALSE); 7018 } 7019 7020 fromsnap = argv[0]; 7021 tosnap = (argc == 2) ? argv[1] : NULL; 7022 7023 copy = NULL; 7024 if (*fromsnap != '@') 7025 copy = strdup(fromsnap); 7026 else if (tosnap) 7027 copy = strdup(tosnap); 7028 if (copy == NULL) 7029 usage(B_FALSE); 7030 7031 if ((atp = strchr(copy, '@')) != NULL) 7032 *atp = '\0'; 7033 7034 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) 7035 return (1); 7036 7037 free(copy); 7038 7039 /* 7040 * Ignore SIGPIPE so that the library can give us 7041 * information on any failure 7042 */ 7043 (void) sigignore(SIGPIPE); 7044 7045 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags); 7046 7047 zfs_close(zhp); 7048 7049 return (err != 0); 7050 } 7051 7052 /* 7053 * zfs remap <filesystem | volume> 7054 * 7055 * Remap the indirect blocks in the given fileystem or volume. 7056 */ 7057 static int 7058 zfs_do_remap(int argc, char **argv) 7059 { 7060 const char *fsname; 7061 int err = 0; 7062 int c; 7063 7064 /* check options */ 7065 while ((c = getopt(argc, argv, "")) != -1) { 7066 switch (c) { 7067 case '?': 7068 (void) fprintf(stderr, 7069 gettext("invalid option '%c'\n"), optopt); 7070 usage(B_FALSE); 7071 } 7072 } 7073 7074 if (argc != 2) { 7075 (void) fprintf(stderr, gettext("wrong number of arguments\n")); 7076 usage(B_FALSE); 7077 } 7078 7079 fsname = argv[1]; 7080 err = zfs_remap_indirects(g_zfs, fsname); 7081 7082 return (err); 7083 } 7084 7085 /* 7086 * zfs bookmark <fs@snap> <fs#bmark> 7087 * 7088 * Creates a bookmark with the given name from the given snapshot. 7089 */ 7090 static int 7091 zfs_do_bookmark(int argc, char **argv) 7092 { 7093 char snapname[ZFS_MAX_DATASET_NAME_LEN]; 7094 zfs_handle_t *zhp; 7095 nvlist_t *nvl; 7096 int ret = 0; 7097 int c; 7098 7099 /* check options */ 7100 while ((c = getopt(argc, argv, "")) != -1) { 7101 switch (c) { 7102 case '?': 7103 (void) fprintf(stderr, 7104 gettext("invalid option '%c'\n"), optopt); 7105 goto usage; 7106 } 7107 } 7108 7109 argc -= optind; 7110 argv += optind; 7111 7112 /* check number of arguments */ 7113 if (argc < 1) { 7114 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 7115 goto usage; 7116 } 7117 if (argc < 2) { 7118 (void) fprintf(stderr, gettext("missing bookmark argument\n")); 7119 goto usage; 7120 } 7121 7122 if (strchr(argv[1], '#') == NULL) { 7123 (void) fprintf(stderr, 7124 gettext("invalid bookmark name '%s' -- " 7125 "must contain a '#'\n"), argv[1]); 7126 goto usage; 7127 } 7128 7129 if (argv[0][0] == '@') { 7130 /* 7131 * Snapshot name begins with @. 7132 * Default to same fs as bookmark. 7133 */ 7134 (void) strncpy(snapname, argv[1], sizeof (snapname)); 7135 *strchr(snapname, '#') = '\0'; 7136 (void) strlcat(snapname, argv[0], sizeof (snapname)); 7137 } else { 7138 (void) strncpy(snapname, argv[0], sizeof (snapname)); 7139 } 7140 zhp = zfs_open(g_zfs, snapname, ZFS_TYPE_SNAPSHOT); 7141 if (zhp == NULL) 7142 goto usage; 7143 zfs_close(zhp); 7144 7145 7146 nvl = fnvlist_alloc(); 7147 fnvlist_add_string(nvl, argv[1], snapname); 7148 ret = lzc_bookmark(nvl, NULL); 7149 fnvlist_free(nvl); 7150 7151 if (ret != 0) { 7152 const char *err_msg; 7153 char errbuf[1024]; 7154 7155 (void) snprintf(errbuf, sizeof (errbuf), 7156 dgettext(TEXT_DOMAIN, 7157 "cannot create bookmark '%s'"), argv[1]); 7158 7159 switch (ret) { 7160 case EXDEV: 7161 err_msg = "bookmark is in a different pool"; 7162 break; 7163 case EEXIST: 7164 err_msg = "bookmark exists"; 7165 break; 7166 case EINVAL: 7167 err_msg = "invalid argument"; 7168 break; 7169 case ENOTSUP: 7170 err_msg = "bookmark feature not enabled"; 7171 break; 7172 case ENOSPC: 7173 err_msg = "out of space"; 7174 break; 7175 default: 7176 err_msg = "unknown error"; 7177 break; 7178 } 7179 (void) fprintf(stderr, "%s: %s\n", errbuf, 7180 dgettext(TEXT_DOMAIN, err_msg)); 7181 } 7182 7183 return (ret != 0); 7184 7185 usage: 7186 usage(B_FALSE); 7187 return (-1); 7188 } 7189 7190 static int 7191 zfs_do_channel_program(int argc, char **argv) 7192 { 7193 int ret, fd; 7194 char c; 7195 char *progbuf, *filename, *poolname; 7196 size_t progsize, progread; 7197 nvlist_t *outnvl; 7198 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT; 7199 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT; 7200 boolean_t sync_flag = B_TRUE, json_output = B_FALSE; 7201 zpool_handle_t *zhp; 7202 7203 /* check options */ 7204 while (-1 != 7205 (c = getopt(argc, argv, "jnt:(instr-limit)m:(memory-limit)"))) { 7206 switch (c) { 7207 case 't': 7208 case 'm': { 7209 uint64_t arg; 7210 char *endp; 7211 7212 errno = 0; 7213 arg = strtoull(optarg, &endp, 0); 7214 if (errno != 0 || *endp != '\0') { 7215 (void) fprintf(stderr, gettext( 7216 "invalid argument " 7217 "'%s': expected integer\n"), optarg); 7218 goto usage; 7219 } 7220 7221 if (c == 't') { 7222 if (arg > ZCP_MAX_INSTRLIMIT || arg == 0) { 7223 (void) fprintf(stderr, gettext( 7224 "Invalid instruction limit: " 7225 "%s\n"), optarg); 7226 return (1); 7227 } else { 7228 instrlimit = arg; 7229 } 7230 } else { 7231 ASSERT3U(c, ==, 'm'); 7232 if (arg > ZCP_MAX_MEMLIMIT || arg == 0) { 7233 (void) fprintf(stderr, gettext( 7234 "Invalid memory limit: " 7235 "%s\n"), optarg); 7236 return (1); 7237 } else { 7238 memlimit = arg; 7239 } 7240 } 7241 break; 7242 } 7243 case 'n': { 7244 sync_flag = B_FALSE; 7245 break; 7246 } 7247 case 'j': { 7248 json_output = B_TRUE; 7249 break; 7250 } 7251 case '?': 7252 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 7253 optopt); 7254 goto usage; 7255 } 7256 } 7257 7258 argc -= optind; 7259 argv += optind; 7260 7261 if (argc < 2) { 7262 (void) fprintf(stderr, 7263 gettext("invalid number of arguments\n")); 7264 goto usage; 7265 } 7266 7267 poolname = argv[0]; 7268 filename = argv[1]; 7269 if (strcmp(filename, "-") == 0) { 7270 fd = 0; 7271 filename = "standard input"; 7272 } else if ((fd = open(filename, O_RDONLY)) < 0) { 7273 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"), 7274 filename, strerror(errno)); 7275 return (1); 7276 } 7277 7278 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) { 7279 (void) fprintf(stderr, gettext("cannot open pool '%s'"), 7280 poolname); 7281 return (1); 7282 } 7283 zpool_close(zhp); 7284 7285 /* 7286 * Read in the channel program, expanding the program buffer as 7287 * necessary. 7288 */ 7289 progread = 0; 7290 progsize = 1024; 7291 progbuf = safe_malloc(progsize); 7292 do { 7293 ret = read(fd, progbuf + progread, progsize - progread); 7294 progread += ret; 7295 if (progread == progsize && ret > 0) { 7296 progsize *= 2; 7297 progbuf = safe_realloc(progbuf, progsize); 7298 } 7299 } while (ret > 0); 7300 7301 if (fd != 0) 7302 (void) close(fd); 7303 if (ret < 0) { 7304 free(progbuf); 7305 (void) fprintf(stderr, 7306 gettext("cannot read '%s': %s\n"), 7307 filename, strerror(errno)); 7308 return (1); 7309 } 7310 progbuf[progread] = '\0'; 7311 7312 /* 7313 * Any remaining arguments are passed as arguments to the lua script as 7314 * a string array: 7315 * { 7316 * "argv" -> [ "arg 1", ... "arg n" ], 7317 * } 7318 */ 7319 nvlist_t *argnvl = fnvlist_alloc(); 7320 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV, argv + 2, argc - 2); 7321 7322 if (sync_flag) { 7323 ret = lzc_channel_program(poolname, progbuf, 7324 instrlimit, memlimit, argnvl, &outnvl); 7325 } else { 7326 ret = lzc_channel_program_nosync(poolname, progbuf, 7327 instrlimit, memlimit, argnvl, &outnvl); 7328 } 7329 7330 if (ret != 0) { 7331 /* 7332 * On error, report the error message handed back by lua if one 7333 * exists. Otherwise, generate an appropriate error message, 7334 * falling back on strerror() for an unexpected return code. 7335 */ 7336 char *errstring = NULL; 7337 if (nvlist_exists(outnvl, ZCP_RET_ERROR)) { 7338 (void) nvlist_lookup_string(outnvl, 7339 ZCP_RET_ERROR, &errstring); 7340 if (errstring == NULL) 7341 errstring = strerror(ret); 7342 } else { 7343 switch (ret) { 7344 case EINVAL: 7345 errstring = 7346 "Invalid instruction or memory limit."; 7347 break; 7348 case ENOMEM: 7349 errstring = "Return value too large."; 7350 break; 7351 case ENOSPC: 7352 errstring = "Memory limit exhausted."; 7353 break; 7354 case ETIME: 7355 errstring = "Timed out."; 7356 break; 7357 case EPERM: 7358 errstring = "Permission denied. Channel " 7359 "programs must be run as root."; 7360 break; 7361 default: 7362 errstring = strerror(ret); 7363 } 7364 } 7365 (void) fprintf(stderr, 7366 gettext("Channel program execution failed:\n%s\n"), 7367 errstring); 7368 } else { 7369 if (json_output) { 7370 (void) nvlist_print_json(stdout, outnvl); 7371 } else if (nvlist_empty(outnvl)) { 7372 (void) fprintf(stdout, gettext("Channel program fully " 7373 "executed and did not produce output.\n")); 7374 } else { 7375 (void) fprintf(stdout, gettext("Channel program fully " 7376 "executed and produced output:\n")); 7377 dump_nvlist(outnvl, 4); 7378 } 7379 } 7380 7381 free(progbuf); 7382 fnvlist_free(outnvl); 7383 fnvlist_free(argnvl); 7384 return (ret != 0); 7385 7386 usage: 7387 usage(B_FALSE); 7388 return (-1); 7389 } 7390 7391 typedef struct loadkey_cbdata { 7392 boolean_t cb_loadkey; 7393 boolean_t cb_recursive; 7394 boolean_t cb_noop; 7395 char *cb_keylocation; 7396 uint64_t cb_numfailed; 7397 uint64_t cb_numattempted; 7398 } loadkey_cbdata_t; 7399 7400 static int 7401 load_key_callback(zfs_handle_t *zhp, void *data) 7402 { 7403 int ret; 7404 boolean_t is_encroot; 7405 loadkey_cbdata_t *cb = data; 7406 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); 7407 7408 /* 7409 * If we are working recursively, we want to skip loading / unloading 7410 * keys for non-encryption roots and datasets whose keys are already 7411 * in the desired end-state. 7412 */ 7413 if (cb->cb_recursive) { 7414 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL); 7415 if (ret != 0) 7416 return (ret); 7417 if (!is_encroot) 7418 return (0); 7419 7420 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) || 7421 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE)) 7422 return (0); 7423 } 7424 7425 cb->cb_numattempted++; 7426 7427 if (cb->cb_loadkey) 7428 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation); 7429 else 7430 ret = zfs_crypto_unload_key(zhp); 7431 7432 if (ret != 0) { 7433 cb->cb_numfailed++; 7434 return (ret); 7435 } 7436 7437 return (0); 7438 } 7439 7440 static int 7441 load_unload_keys(int argc, char **argv, boolean_t loadkey) 7442 { 7443 int c, ret = 0, flags = 0; 7444 boolean_t do_all = B_FALSE; 7445 loadkey_cbdata_t cb = { 0 }; 7446 7447 cb.cb_loadkey = loadkey; 7448 7449 while ((c = getopt(argc, argv, "anrL:")) != -1) { 7450 /* noop and alternate keylocations only apply to zfs load-key */ 7451 if (loadkey) { 7452 switch (c) { 7453 case 'n': 7454 cb.cb_noop = B_TRUE; 7455 continue; 7456 case 'L': 7457 cb.cb_keylocation = optarg; 7458 continue; 7459 default: 7460 break; 7461 } 7462 } 7463 7464 switch (c) { 7465 case 'a': 7466 do_all = B_TRUE; 7467 cb.cb_recursive = B_TRUE; 7468 break; 7469 case 'r': 7470 flags |= ZFS_ITER_RECURSE; 7471 cb.cb_recursive = B_TRUE; 7472 break; 7473 default: 7474 (void) fprintf(stderr, 7475 gettext("invalid option '%c'\n"), optopt); 7476 usage(B_FALSE); 7477 } 7478 } 7479 7480 argc -= optind; 7481 argv += optind; 7482 7483 if (!do_all && argc == 0) { 7484 (void) fprintf(stderr, 7485 gettext("Missing dataset argument or -a option\n")); 7486 usage(B_FALSE); 7487 } 7488 7489 if (do_all && argc != 0) { 7490 (void) fprintf(stderr, 7491 gettext("Cannot specify dataset with -a option\n")); 7492 usage(B_FALSE); 7493 } 7494 7495 if (cb.cb_recursive && cb.cb_keylocation != NULL && 7496 strcmp(cb.cb_keylocation, "prompt") != 0) { 7497 (void) fprintf(stderr, gettext("alternate keylocation may only " 7498 "be 'prompt' with -r or -a\n")); 7499 usage(B_FALSE); 7500 } 7501 7502 ret = zfs_for_each(argc, argv, flags, 7503 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0, 7504 load_key_callback, &cb); 7505 7506 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) { 7507 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"), 7508 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed), 7509 (u_longlong_t)cb.cb_numattempted, 7510 loadkey ? (cb.cb_noop ? "verified" : "loaded") : 7511 "unloaded"); 7512 } 7513 7514 if (cb.cb_numfailed != 0) 7515 ret = -1; 7516 7517 return (ret); 7518 } 7519 7520 static int 7521 zfs_do_load_key(int argc, char **argv) 7522 { 7523 return (load_unload_keys(argc, argv, B_TRUE)); 7524 } 7525 7526 7527 static int 7528 zfs_do_unload_key(int argc, char **argv) 7529 { 7530 return (load_unload_keys(argc, argv, B_FALSE)); 7531 } 7532 7533 static int 7534 zfs_do_change_key(int argc, char **argv) 7535 { 7536 int c, ret; 7537 uint64_t keystatus; 7538 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE; 7539 zfs_handle_t *zhp = NULL; 7540 nvlist_t *props = fnvlist_alloc(); 7541 7542 while ((c = getopt(argc, argv, "lio:")) != -1) { 7543 switch (c) { 7544 case 'l': 7545 loadkey = B_TRUE; 7546 break; 7547 case 'i': 7548 inheritkey = B_TRUE; 7549 break; 7550 case 'o': 7551 if (!parseprop(props, optarg)) { 7552 nvlist_free(props); 7553 return (1); 7554 } 7555 break; 7556 default: 7557 (void) fprintf(stderr, 7558 gettext("invalid option '%c'\n"), optopt); 7559 usage(B_FALSE); 7560 } 7561 } 7562 7563 if (inheritkey && !nvlist_empty(props)) { 7564 (void) fprintf(stderr, 7565 gettext("Properties not allowed for inheriting\n")); 7566 usage(B_FALSE); 7567 } 7568 7569 argc -= optind; 7570 argv += optind; 7571 7572 if (argc < 1) { 7573 (void) fprintf(stderr, gettext("Missing dataset argument\n")); 7574 usage(B_FALSE); 7575 } 7576 7577 if (argc > 1) { 7578 (void) fprintf(stderr, gettext("Too many arguments\n")); 7579 usage(B_FALSE); 7580 } 7581 7582 zhp = zfs_open(g_zfs, argv[argc - 1], 7583 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 7584 if (zhp == NULL) 7585 usage(B_FALSE); 7586 7587 if (loadkey) { 7588 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); 7589 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) { 7590 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL); 7591 if (ret != 0) { 7592 nvlist_free(props); 7593 zfs_close(zhp); 7594 return (-1); 7595 } 7596 } 7597 7598 /* refresh the properties so the new keystatus is visible */ 7599 zfs_refresh_properties(zhp); 7600 } 7601 7602 ret = zfs_crypto_rewrap(zhp, props, inheritkey); 7603 if (ret != 0) { 7604 nvlist_free(props); 7605 zfs_close(zhp); 7606 return (-1); 7607 } 7608 7609 nvlist_free(props); 7610 zfs_close(zhp); 7611 return (0); 7612 } 7613 7614 int 7615 main(int argc, char **argv) 7616 { 7617 int ret = 0; 7618 int i; 7619 char *progname; 7620 char *cmdname; 7621 7622 (void) setlocale(LC_ALL, ""); 7623 (void) textdomain(TEXT_DOMAIN); 7624 7625 opterr = 0; 7626 7627 if ((g_zfs = libzfs_init()) == NULL) { 7628 (void) fprintf(stderr, gettext("internal error: failed to " 7629 "initialize ZFS library\n")); 7630 return (1); 7631 } 7632 7633 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 7634 7635 libzfs_print_on_error(g_zfs, B_TRUE); 7636 7637 if ((mnttab_file = fopen(MNTTAB, "r")) == NULL) { 7638 (void) fprintf(stderr, gettext("internal error: unable to " 7639 "open %s\n"), MNTTAB); 7640 return (1); 7641 } 7642 7643 /* 7644 * This command also doubles as the /etc/fs mount and unmount program. 7645 * Determine if we should take this behavior based on argv[0]. 7646 */ 7647 progname = basename(argv[0]); 7648 if (strcmp(progname, "mount") == 0) { 7649 ret = manual_mount(argc, argv); 7650 } else if (strcmp(progname, "umount") == 0) { 7651 ret = manual_unmount(argc, argv); 7652 } else { 7653 /* 7654 * Make sure the user has specified some command. 7655 */ 7656 if (argc < 2) { 7657 (void) fprintf(stderr, gettext("missing command\n")); 7658 usage(B_FALSE); 7659 } 7660 7661 cmdname = argv[1]; 7662 7663 /* 7664 * The 'umount' command is an alias for 'unmount' 7665 */ 7666 if (strcmp(cmdname, "umount") == 0) 7667 cmdname = "unmount"; 7668 7669 /* 7670 * The 'recv' command is an alias for 'receive' 7671 */ 7672 if (strcmp(cmdname, "recv") == 0) 7673 cmdname = "receive"; 7674 7675 /* 7676 * The 'snap' command is an alias for 'snapshot' 7677 */ 7678 if (strcmp(cmdname, "snap") == 0) 7679 cmdname = "snapshot"; 7680 7681 /* 7682 * Special case '-?' 7683 */ 7684 if (strcmp(cmdname, "-?") == 0) 7685 usage(B_TRUE); 7686 7687 /* 7688 * Run the appropriate command. 7689 */ 7690 libzfs_mnttab_cache(g_zfs, B_TRUE); 7691 if (find_command_idx(cmdname, &i) == 0) { 7692 current_command = &command_table[i]; 7693 ret = command_table[i].func(argc - 1, argv + 1); 7694 } else if (strchr(cmdname, '=') != NULL) { 7695 verify(find_command_idx("set", &i) == 0); 7696 current_command = &command_table[i]; 7697 ret = command_table[i].func(argc, argv); 7698 } else { 7699 (void) fprintf(stderr, gettext("unrecognized " 7700 "command '%s'\n"), cmdname); 7701 usage(B_FALSE); 7702 } 7703 libzfs_mnttab_cache(g_zfs, B_FALSE); 7704 } 7705 7706 (void) fclose(mnttab_file); 7707 7708 if (ret == 0 && log_history) 7709 (void) zpool_log_history(g_zfs, history_str); 7710 7711 libzfs_fini(g_zfs); 7712 7713 /* 7714 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 7715 * for the purposes of running ::findleaks. 7716 */ 7717 if (getenv("ZFS_ABORT") != NULL) { 7718 (void) printf("dumping core by request\n"); 7719 abort(); 7720 } 7721 7722 return (ret); 7723 } 7724