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 https://opensource.org/licenses/CDDL-1.0. 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, 2020 by Delphix. All rights reserved. 25 * Copyright 2012 Milan Jurik. All rights reserved. 26 * Copyright (c) 2012, Joyent, Inc. All rights reserved. 27 * Copyright (c) 2013 Steven Hartland. All rights reserved. 28 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>. 29 * Copyright 2016 Nexenta Systems, Inc. 30 * Copyright (c) 2019 Datto Inc. 31 * Copyright (c) 2019, loli10K <ezomori.nozomu@gmail.com> 32 * Copyright 2019 Joyent, Inc. 33 * Copyright (c) 2019, 2020 by Christian Schwarz. All rights reserved. 34 */ 35 36 #include <assert.h> 37 #include <ctype.h> 38 #include <sys/debug.h> 39 #include <errno.h> 40 #include <getopt.h> 41 #include <libgen.h> 42 #include <libintl.h> 43 #include <libuutil.h> 44 #include <libnvpair.h> 45 #include <locale.h> 46 #include <stddef.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <unistd.h> 51 #include <fcntl.h> 52 #include <zone.h> 53 #include <grp.h> 54 #include <pwd.h> 55 #include <umem.h> 56 #include <pthread.h> 57 #include <signal.h> 58 #include <sys/list.h> 59 #include <sys/mkdev.h> 60 #include <sys/mntent.h> 61 #include <sys/mnttab.h> 62 #include <sys/mount.h> 63 #include <sys/stat.h> 64 #include <sys/fs/zfs.h> 65 #include <sys/systeminfo.h> 66 #include <sys/types.h> 67 #include <time.h> 68 #include <sys/zfs_project.h> 69 70 #include <libzfs.h> 71 #include <libzfs_core.h> 72 #include <zfs_prop.h> 73 #include <zfs_deleg.h> 74 #include <libzutil.h> 75 #ifdef HAVE_IDMAP 76 #include <aclutils.h> 77 #include <directory.h> 78 #endif /* HAVE_IDMAP */ 79 80 #include "zfs_iter.h" 81 #include "zfs_util.h" 82 #include "zfs_comutil.h" 83 #include "zfs_projectutil.h" 84 85 libzfs_handle_t *g_zfs; 86 87 static char history_str[HIS_MAX_RECORD_LEN]; 88 static boolean_t log_history = B_TRUE; 89 90 static int zfs_do_clone(int argc, char **argv); 91 static int zfs_do_create(int argc, char **argv); 92 static int zfs_do_destroy(int argc, char **argv); 93 static int zfs_do_get(int argc, char **argv); 94 static int zfs_do_inherit(int argc, char **argv); 95 static int zfs_do_list(int argc, char **argv); 96 static int zfs_do_mount(int argc, char **argv); 97 static int zfs_do_rename(int argc, char **argv); 98 static int zfs_do_rollback(int argc, char **argv); 99 static int zfs_do_set(int argc, char **argv); 100 static int zfs_do_upgrade(int argc, char **argv); 101 static int zfs_do_snapshot(int argc, char **argv); 102 static int zfs_do_unmount(int argc, char **argv); 103 static int zfs_do_share(int argc, char **argv); 104 static int zfs_do_unshare(int argc, char **argv); 105 static int zfs_do_send(int argc, char **argv); 106 static int zfs_do_receive(int argc, char **argv); 107 static int zfs_do_promote(int argc, char **argv); 108 static int zfs_do_userspace(int argc, char **argv); 109 static int zfs_do_allow(int argc, char **argv); 110 static int zfs_do_unallow(int argc, char **argv); 111 static int zfs_do_hold(int argc, char **argv); 112 static int zfs_do_holds(int argc, char **argv); 113 static int zfs_do_release(int argc, char **argv); 114 static int zfs_do_diff(int argc, char **argv); 115 static int zfs_do_bookmark(int argc, char **argv); 116 static int zfs_do_channel_program(int argc, char **argv); 117 static int zfs_do_load_key(int argc, char **argv); 118 static int zfs_do_unload_key(int argc, char **argv); 119 static int zfs_do_change_key(int argc, char **argv); 120 static int zfs_do_project(int argc, char **argv); 121 static int zfs_do_version(int argc, char **argv); 122 static int zfs_do_redact(int argc, char **argv); 123 static int zfs_do_wait(int argc, char **argv); 124 125 #ifdef __FreeBSD__ 126 static int zfs_do_jail(int argc, char **argv); 127 static int zfs_do_unjail(int argc, char **argv); 128 #endif 129 130 #ifdef __linux__ 131 static int zfs_do_zone(int argc, char **argv); 132 static int zfs_do_unzone(int argc, char **argv); 133 #endif 134 135 static int zfs_do_help(int argc, char **argv); 136 137 /* 138 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds. 139 */ 140 141 #ifdef DEBUG 142 const char * 143 _umem_debug_init(void) 144 { 145 return ("default,verbose"); /* $UMEM_DEBUG setting */ 146 } 147 148 const char * 149 _umem_logging_init(void) 150 { 151 return ("fail,contents"); /* $UMEM_LOGGING setting */ 152 } 153 #endif 154 155 typedef enum { 156 HELP_CLONE, 157 HELP_CREATE, 158 HELP_DESTROY, 159 HELP_GET, 160 HELP_INHERIT, 161 HELP_UPGRADE, 162 HELP_LIST, 163 HELP_MOUNT, 164 HELP_PROMOTE, 165 HELP_RECEIVE, 166 HELP_RENAME, 167 HELP_ROLLBACK, 168 HELP_SEND, 169 HELP_SET, 170 HELP_SHARE, 171 HELP_SNAPSHOT, 172 HELP_UNMOUNT, 173 HELP_UNSHARE, 174 HELP_ALLOW, 175 HELP_UNALLOW, 176 HELP_USERSPACE, 177 HELP_GROUPSPACE, 178 HELP_PROJECTSPACE, 179 HELP_PROJECT, 180 HELP_HOLD, 181 HELP_HOLDS, 182 HELP_RELEASE, 183 HELP_DIFF, 184 HELP_BOOKMARK, 185 HELP_CHANNEL_PROGRAM, 186 HELP_LOAD_KEY, 187 HELP_UNLOAD_KEY, 188 HELP_CHANGE_KEY, 189 HELP_VERSION, 190 HELP_REDACT, 191 HELP_JAIL, 192 HELP_UNJAIL, 193 HELP_WAIT, 194 HELP_ZONE, 195 HELP_UNZONE, 196 } zfs_help_t; 197 198 typedef struct zfs_command { 199 const char *name; 200 int (*func)(int argc, char **argv); 201 zfs_help_t usage; 202 } zfs_command_t; 203 204 /* 205 * Master command table. Each ZFS command has a name, associated function, and 206 * usage message. The usage messages need to be internationalized, so we have 207 * to have a function to return the usage message based on a command index. 208 * 209 * These commands are organized according to how they are displayed in the usage 210 * message. An empty command (one with a NULL name) indicates an empty line in 211 * the generic usage message. 212 */ 213 static zfs_command_t command_table[] = { 214 { "version", zfs_do_version, HELP_VERSION }, 215 { NULL }, 216 { "create", zfs_do_create, HELP_CREATE }, 217 { "destroy", zfs_do_destroy, HELP_DESTROY }, 218 { NULL }, 219 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT }, 220 { "rollback", zfs_do_rollback, HELP_ROLLBACK }, 221 { "clone", zfs_do_clone, HELP_CLONE }, 222 { "promote", zfs_do_promote, HELP_PROMOTE }, 223 { "rename", zfs_do_rename, HELP_RENAME }, 224 { "bookmark", zfs_do_bookmark, HELP_BOOKMARK }, 225 { "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM }, 226 { NULL }, 227 { "list", zfs_do_list, HELP_LIST }, 228 { NULL }, 229 { "set", zfs_do_set, HELP_SET }, 230 { "get", zfs_do_get, HELP_GET }, 231 { "inherit", zfs_do_inherit, HELP_INHERIT }, 232 { "upgrade", zfs_do_upgrade, HELP_UPGRADE }, 233 { NULL }, 234 { "userspace", zfs_do_userspace, HELP_USERSPACE }, 235 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE }, 236 { "projectspace", zfs_do_userspace, HELP_PROJECTSPACE }, 237 { NULL }, 238 { "project", zfs_do_project, HELP_PROJECT }, 239 { NULL }, 240 { "mount", zfs_do_mount, HELP_MOUNT }, 241 { "unmount", zfs_do_unmount, HELP_UNMOUNT }, 242 { "share", zfs_do_share, HELP_SHARE }, 243 { "unshare", zfs_do_unshare, HELP_UNSHARE }, 244 { NULL }, 245 { "send", zfs_do_send, HELP_SEND }, 246 { "receive", zfs_do_receive, HELP_RECEIVE }, 247 { NULL }, 248 { "allow", zfs_do_allow, HELP_ALLOW }, 249 { NULL }, 250 { "unallow", zfs_do_unallow, HELP_UNALLOW }, 251 { NULL }, 252 { "hold", zfs_do_hold, HELP_HOLD }, 253 { "holds", zfs_do_holds, HELP_HOLDS }, 254 { "release", zfs_do_release, HELP_RELEASE }, 255 { "diff", zfs_do_diff, HELP_DIFF }, 256 { "load-key", zfs_do_load_key, HELP_LOAD_KEY }, 257 { "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY }, 258 { "change-key", zfs_do_change_key, HELP_CHANGE_KEY }, 259 { "redact", zfs_do_redact, HELP_REDACT }, 260 { "wait", zfs_do_wait, HELP_WAIT }, 261 262 #ifdef __FreeBSD__ 263 { "jail", zfs_do_jail, HELP_JAIL }, 264 { "unjail", zfs_do_unjail, HELP_UNJAIL }, 265 #endif 266 267 #ifdef __linux__ 268 { "zone", zfs_do_zone, HELP_ZONE }, 269 { "unzone", zfs_do_unzone, HELP_UNZONE }, 270 #endif 271 }; 272 273 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 274 275 zfs_command_t *current_command; 276 277 static const char * 278 get_usage(zfs_help_t idx) 279 { 280 switch (idx) { 281 case HELP_CLONE: 282 return (gettext("\tclone [-p] [-o property=value] ... " 283 "<snapshot> <filesystem|volume>\n")); 284 case HELP_CREATE: 285 return (gettext("\tcreate [-Pnpuv] [-o property=value] ... " 286 "<filesystem>\n" 287 "\tcreate [-Pnpsv] [-b blocksize] [-o property=value] ... " 288 "-V <size> <volume>\n")); 289 case HELP_DESTROY: 290 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n" 291 "\tdestroy [-dnpRrv] " 292 "<filesystem|volume>@<snap>[%<snap>][,...]\n" 293 "\tdestroy <filesystem|volume>#<bookmark>\n")); 294 case HELP_GET: 295 return (gettext("\tget [-rHp] [-d max] " 296 "[-o \"all\" | field[,...]]\n" 297 "\t [-t type[,...]] [-s source[,...]]\n" 298 "\t <\"all\" | property[,...]> " 299 "[filesystem|volume|snapshot|bookmark] ...\n")); 300 case HELP_INHERIT: 301 return (gettext("\tinherit [-rS] <property> " 302 "<filesystem|volume|snapshot> ...\n")); 303 case HELP_UPGRADE: 304 return (gettext("\tupgrade [-v]\n" 305 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n")); 306 case HELP_LIST: 307 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] " 308 "[-s property]...\n\t [-S property]... [-t type[,...]] " 309 "[filesystem|volume|snapshot] ...\n")); 310 case HELP_MOUNT: 311 return (gettext("\tmount\n" 312 "\tmount [-flvO] [-o opts] <-a|-R filesystem|" 313 "filesystem>\n")); 314 case HELP_PROMOTE: 315 return (gettext("\tpromote <clone-filesystem>\n")); 316 case HELP_RECEIVE: 317 return (gettext("\treceive [-vMnsFhu] " 318 "[-o <property>=<value>] ... [-x <property>] ...\n" 319 "\t <filesystem|volume|snapshot>\n" 320 "\treceive [-vMnsFhu] [-o <property>=<value>] ... " 321 "[-x <property>] ... \n" 322 "\t [-d | -e] <filesystem>\n" 323 "\treceive -A <filesystem|volume>\n")); 324 case HELP_RENAME: 325 return (gettext("\trename [-f] <filesystem|volume|snapshot> " 326 "<filesystem|volume|snapshot>\n" 327 "\trename -p [-f] <filesystem|volume> <filesystem|volume>\n" 328 "\trename -u [-f] <filesystem> <filesystem>\n" 329 "\trename -r <snapshot> <snapshot>\n")); 330 case HELP_ROLLBACK: 331 return (gettext("\trollback [-rRf] <snapshot>\n")); 332 case HELP_SEND: 333 return (gettext("\tsend [-DLPbcehnpsVvw] " 334 "[-i|-I snapshot]\n" 335 "\t [-R [-X dataset[,dataset]...]] <snapshot>\n" 336 "\tsend [-DnVvPLecw] [-i snapshot|bookmark] " 337 "<filesystem|volume|snapshot>\n" 338 "\tsend [-DnPpVvLec] [-i bookmark|snapshot] " 339 "--redact <bookmark> <snapshot>\n" 340 "\tsend [-nVvPe] -t <receive_resume_token>\n" 341 "\tsend [-PnVv] --saved filesystem\n")); 342 case HELP_SET: 343 return (gettext("\tset [-u] <property=value> ... " 344 "<filesystem|volume|snapshot> ...\n")); 345 case HELP_SHARE: 346 return (gettext("\tshare [-l] <-a [nfs|smb] | filesystem>\n")); 347 case HELP_SNAPSHOT: 348 return (gettext("\tsnapshot [-r] [-o property=value] ... " 349 "<filesystem|volume>@<snap> ...\n")); 350 case HELP_UNMOUNT: 351 return (gettext("\tunmount [-fu] " 352 "<-a | filesystem|mountpoint>\n")); 353 case HELP_UNSHARE: 354 return (gettext("\tunshare " 355 "<-a [nfs|smb] | filesystem|mountpoint>\n")); 356 case HELP_ALLOW: 357 return (gettext("\tallow <filesystem|volume>\n" 358 "\tallow [-ldug] " 359 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n" 360 "\t <filesystem|volume>\n" 361 "\tallow [-ld] -e <perm|@setname>[,...] " 362 "<filesystem|volume>\n" 363 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n" 364 "\tallow -s @setname <perm|@setname>[,...] " 365 "<filesystem|volume>\n")); 366 case HELP_UNALLOW: 367 return (gettext("\tunallow [-rldug] " 368 "<\"everyone\"|user|group>[,...]\n" 369 "\t [<perm|@setname>[,...]] <filesystem|volume>\n" 370 "\tunallow [-rld] -e [<perm|@setname>[,...]] " 371 "<filesystem|volume>\n" 372 "\tunallow [-r] -c [<perm|@setname>[,...]] " 373 "<filesystem|volume>\n" 374 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] " 375 "<filesystem|volume>\n")); 376 case HELP_USERSPACE: 377 return (gettext("\tuserspace [-Hinp] [-o field[,...]] " 378 "[-s field] ...\n" 379 "\t [-S field] ... [-t type[,...]] " 380 "<filesystem|snapshot|path>\n")); 381 case HELP_GROUPSPACE: 382 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] " 383 "[-s field] ...\n" 384 "\t [-S field] ... [-t type[,...]] " 385 "<filesystem|snapshot|path>\n")); 386 case HELP_PROJECTSPACE: 387 return (gettext("\tprojectspace [-Hp] [-o field[,...]] " 388 "[-s field] ... \n" 389 "\t [-S field] ... <filesystem|snapshot|path>\n")); 390 case HELP_PROJECT: 391 return (gettext("\tproject [-d|-r] <directory|file ...>\n" 392 "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n" 393 "\tproject -C [-k] [-r] <directory ...>\n" 394 "\tproject [-p id] [-r] [-s] <directory ...>\n")); 395 case HELP_HOLD: 396 return (gettext("\thold [-r] <tag> <snapshot> ...\n")); 397 case HELP_HOLDS: 398 return (gettext("\tholds [-rHp] <snapshot> ...\n")); 399 case HELP_RELEASE: 400 return (gettext("\trelease [-r] <tag> <snapshot> ...\n")); 401 case HELP_DIFF: 402 return (gettext("\tdiff [-FHth] <snapshot> " 403 "[snapshot|filesystem]\n")); 404 case HELP_BOOKMARK: 405 return (gettext("\tbookmark <snapshot|bookmark> " 406 "<newbookmark>\n")); 407 case HELP_CHANNEL_PROGRAM: 408 return (gettext("\tprogram [-jn] [-t <instruction limit>] " 409 "[-m <memory limit (b)>]\n" 410 "\t <pool> <program file> [lua args...]\n")); 411 case HELP_LOAD_KEY: 412 return (gettext("\tload-key [-rn] [-L <keylocation>] " 413 "<-a | filesystem|volume>\n")); 414 case HELP_UNLOAD_KEY: 415 return (gettext("\tunload-key [-r] " 416 "<-a | filesystem|volume>\n")); 417 case HELP_CHANGE_KEY: 418 return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n" 419 "\t [-o keylocation=<value>] [-o pbkdf2iters=<value>]\n" 420 "\t <filesystem|volume>\n" 421 "\tchange-key -i [-l] <filesystem|volume>\n")); 422 case HELP_VERSION: 423 return (gettext("\tversion\n")); 424 case HELP_REDACT: 425 return (gettext("\tredact <snapshot> <bookmark> " 426 "<redaction_snapshot> ...\n")); 427 case HELP_JAIL: 428 return (gettext("\tjail <jailid|jailname> <filesystem>\n")); 429 case HELP_UNJAIL: 430 return (gettext("\tunjail <jailid|jailname> <filesystem>\n")); 431 case HELP_WAIT: 432 return (gettext("\twait [-t <activity>] <filesystem>\n")); 433 case HELP_ZONE: 434 return (gettext("\tzone <nsfile> <filesystem>\n")); 435 case HELP_UNZONE: 436 return (gettext("\tunzone <nsfile> <filesystem>\n")); 437 default: 438 __builtin_unreachable(); 439 } 440 } 441 442 void 443 nomem(void) 444 { 445 (void) fprintf(stderr, gettext("internal error: out of memory\n")); 446 exit(1); 447 } 448 449 /* 450 * Utility function to guarantee malloc() success. 451 */ 452 453 void * 454 safe_malloc(size_t size) 455 { 456 void *data; 457 458 if ((data = calloc(1, size)) == NULL) 459 nomem(); 460 461 return (data); 462 } 463 464 static void * 465 safe_realloc(void *data, size_t size) 466 { 467 void *newp; 468 if ((newp = realloc(data, size)) == NULL) { 469 free(data); 470 nomem(); 471 } 472 473 return (newp); 474 } 475 476 static char * 477 safe_strdup(const char *str) 478 { 479 char *dupstr = strdup(str); 480 481 if (dupstr == NULL) 482 nomem(); 483 484 return (dupstr); 485 } 486 487 /* 488 * Callback routine that will print out information for each of 489 * the properties. 490 */ 491 static int 492 usage_prop_cb(int prop, void *cb) 493 { 494 FILE *fp = cb; 495 496 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop)); 497 498 if (zfs_prop_readonly(prop)) 499 (void) fprintf(fp, " NO "); 500 else 501 (void) fprintf(fp, "YES "); 502 503 if (zfs_prop_inheritable(prop)) 504 (void) fprintf(fp, " YES "); 505 else 506 (void) fprintf(fp, " NO "); 507 508 (void) fprintf(fp, "%s\n", zfs_prop_values(prop) ?: "-"); 509 510 return (ZPROP_CONT); 511 } 512 513 /* 514 * Display usage message. If we're inside a command, display only the usage for 515 * that command. Otherwise, iterate over the entire command table and display 516 * a complete usage message. 517 */ 518 static __attribute__((noreturn)) void 519 usage(boolean_t requested) 520 { 521 int i; 522 boolean_t show_properties = B_FALSE; 523 FILE *fp = requested ? stdout : stderr; 524 525 if (current_command == NULL) { 526 527 (void) fprintf(fp, gettext("usage: zfs command args ...\n")); 528 (void) fprintf(fp, 529 gettext("where 'command' is one of the following:\n\n")); 530 531 for (i = 0; i < NCOMMAND; i++) { 532 if (command_table[i].name == NULL) 533 (void) fprintf(fp, "\n"); 534 else 535 (void) fprintf(fp, "%s", 536 get_usage(command_table[i].usage)); 537 } 538 539 (void) fprintf(fp, gettext("\nEach dataset is of the form: " 540 "pool/[dataset/]*dataset[@name]\n")); 541 } else { 542 (void) fprintf(fp, gettext("usage:\n")); 543 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 544 } 545 546 if (current_command != NULL && 547 (strcmp(current_command->name, "set") == 0 || 548 strcmp(current_command->name, "get") == 0 || 549 strcmp(current_command->name, "inherit") == 0 || 550 strcmp(current_command->name, "list") == 0)) 551 show_properties = B_TRUE; 552 553 if (show_properties) { 554 (void) fprintf(fp, "%s", 555 gettext("\nThe following properties are supported:\n")); 556 557 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n", 558 "PROPERTY", "EDIT", "INHERIT", "VALUES"); 559 560 /* Iterate over all properties */ 561 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE, 562 ZFS_TYPE_DATASET); 563 564 (void) fprintf(fp, "\t%-15s ", "userused@..."); 565 (void) fprintf(fp, " NO NO <size>\n"); 566 (void) fprintf(fp, "\t%-15s ", "groupused@..."); 567 (void) fprintf(fp, " NO NO <size>\n"); 568 (void) fprintf(fp, "\t%-15s ", "projectused@..."); 569 (void) fprintf(fp, " NO NO <size>\n"); 570 (void) fprintf(fp, "\t%-15s ", "userobjused@..."); 571 (void) fprintf(fp, " NO NO <size>\n"); 572 (void) fprintf(fp, "\t%-15s ", "groupobjused@..."); 573 (void) fprintf(fp, " NO NO <size>\n"); 574 (void) fprintf(fp, "\t%-15s ", "projectobjused@..."); 575 (void) fprintf(fp, " NO NO <size>\n"); 576 (void) fprintf(fp, "\t%-15s ", "userquota@..."); 577 (void) fprintf(fp, "YES NO <size> | none\n"); 578 (void) fprintf(fp, "\t%-15s ", "groupquota@..."); 579 (void) fprintf(fp, "YES NO <size> | none\n"); 580 (void) fprintf(fp, "\t%-15s ", "projectquota@..."); 581 (void) fprintf(fp, "YES NO <size> | none\n"); 582 (void) fprintf(fp, "\t%-15s ", "userobjquota@..."); 583 (void) fprintf(fp, "YES NO <size> | none\n"); 584 (void) fprintf(fp, "\t%-15s ", "groupobjquota@..."); 585 (void) fprintf(fp, "YES NO <size> | none\n"); 586 (void) fprintf(fp, "\t%-15s ", "projectobjquota@..."); 587 (void) fprintf(fp, "YES NO <size> | none\n"); 588 (void) fprintf(fp, "\t%-15s ", "written@<snap>"); 589 (void) fprintf(fp, " NO NO <size>\n"); 590 (void) fprintf(fp, "\t%-15s ", "written#<bookmark>"); 591 (void) fprintf(fp, " NO NO <size>\n"); 592 593 (void) fprintf(fp, gettext("\nSizes are specified in bytes " 594 "with standard units such as K, M, G, etc.\n")); 595 (void) fprintf(fp, "%s", gettext("\nUser-defined properties " 596 "can be specified by using a name containing a colon " 597 "(:).\n")); 598 (void) fprintf(fp, gettext("\nThe {user|group|project}" 599 "[obj]{used|quota}@ properties must be appended with\n" 600 "a user|group|project specifier of one of these forms:\n" 601 " POSIX name (eg: \"matt\")\n" 602 " POSIX id (eg: \"126829\")\n" 603 " SMB name@domain (eg: \"matt@sun\")\n" 604 " SMB SID (eg: \"S-1-234-567-89\")\n")); 605 } else { 606 (void) fprintf(fp, 607 gettext("\nFor the property list, run: %s\n"), 608 "zfs set|get"); 609 (void) fprintf(fp, 610 gettext("\nFor the delegated permission list, run: %s\n"), 611 "zfs allow|unallow"); 612 (void) fprintf(fp, 613 gettext("\nFor further help on a command or topic, " 614 "run: %s\n"), "zfs help [<topic>]"); 615 } 616 617 /* 618 * See comments at end of main(). 619 */ 620 if (getenv("ZFS_ABORT") != NULL) { 621 (void) printf("dumping core by request\n"); 622 abort(); 623 } 624 625 exit(requested ? 0 : 2); 626 } 627 628 /* 629 * Take a property=value argument string and add it to the given nvlist. 630 * Modifies the argument inplace. 631 */ 632 static boolean_t 633 parseprop(nvlist_t *props, char *propname) 634 { 635 char *propval; 636 637 if ((propval = strchr(propname, '=')) == NULL) { 638 (void) fprintf(stderr, gettext("missing " 639 "'=' for property=value argument\n")); 640 return (B_FALSE); 641 } 642 *propval = '\0'; 643 propval++; 644 if (nvlist_exists(props, propname)) { 645 (void) fprintf(stderr, gettext("property '%s' " 646 "specified multiple times\n"), propname); 647 return (B_FALSE); 648 } 649 if (nvlist_add_string(props, propname, propval) != 0) 650 nomem(); 651 return (B_TRUE); 652 } 653 654 /* 655 * Take a property name argument and add it to the given nvlist. 656 * Modifies the argument inplace. 657 */ 658 static boolean_t 659 parsepropname(nvlist_t *props, char *propname) 660 { 661 if (strchr(propname, '=') != NULL) { 662 (void) fprintf(stderr, gettext("invalid character " 663 "'=' in property argument\n")); 664 return (B_FALSE); 665 } 666 if (nvlist_exists(props, propname)) { 667 (void) fprintf(stderr, gettext("property '%s' " 668 "specified multiple times\n"), propname); 669 return (B_FALSE); 670 } 671 if (nvlist_add_boolean(props, propname) != 0) 672 nomem(); 673 return (B_TRUE); 674 } 675 676 static int 677 parse_depth(char *opt, int *flags) 678 { 679 char *tmp; 680 int depth; 681 682 depth = (int)strtol(opt, &tmp, 0); 683 if (*tmp) { 684 (void) fprintf(stderr, 685 gettext("%s is not an integer\n"), optarg); 686 usage(B_FALSE); 687 } 688 if (depth < 0) { 689 (void) fprintf(stderr, 690 gettext("Depth can not be negative.\n")); 691 usage(B_FALSE); 692 } 693 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE); 694 return (depth); 695 } 696 697 #define PROGRESS_DELAY 2 /* seconds */ 698 699 static const char *pt_reverse = 700 "\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"; 701 static time_t pt_begin; 702 static char *pt_header = NULL; 703 static boolean_t pt_shown; 704 705 static void 706 start_progress_timer(void) 707 { 708 pt_begin = time(NULL) + PROGRESS_DELAY; 709 pt_shown = B_FALSE; 710 } 711 712 static void 713 set_progress_header(const char *header) 714 { 715 assert(pt_header == NULL); 716 pt_header = safe_strdup(header); 717 if (pt_shown) { 718 (void) printf("%s: ", header); 719 (void) fflush(stdout); 720 } 721 } 722 723 static void 724 update_progress(const char *update) 725 { 726 if (!pt_shown && time(NULL) > pt_begin) { 727 int len = strlen(update); 728 729 (void) printf("%s: %s%*.*s", pt_header, update, len, len, 730 pt_reverse); 731 (void) fflush(stdout); 732 pt_shown = B_TRUE; 733 } else if (pt_shown) { 734 int len = strlen(update); 735 736 (void) printf("%s%*.*s", update, len, len, pt_reverse); 737 (void) fflush(stdout); 738 } 739 } 740 741 static void 742 finish_progress(const char *done) 743 { 744 if (pt_shown) { 745 (void) puts(done); 746 (void) fflush(stdout); 747 } 748 free(pt_header); 749 pt_header = NULL; 750 } 751 752 static int 753 zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type) 754 { 755 zfs_handle_t *zhp = NULL; 756 int ret = 0; 757 758 zhp = zfs_open(hdl, dataset, type); 759 if (zhp == NULL) 760 return (1); 761 762 /* 763 * Volumes may neither be mounted or shared. Potentially in the 764 * future filesystems detected on these volumes could be mounted. 765 */ 766 if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) { 767 zfs_close(zhp); 768 return (0); 769 } 770 771 /* 772 * Mount and/or share the new filesystem as appropriate. We provide a 773 * verbose error message to let the user know that their filesystem was 774 * in fact created, even if we failed to mount or share it. 775 * 776 * If the user doesn't want the dataset automatically mounted, then 777 * skip the mount/share step 778 */ 779 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) && 780 zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) { 781 if (zfs_mount_delegation_check()) { 782 (void) fprintf(stderr, gettext("filesystem " 783 "successfully created, but it may only be " 784 "mounted by root\n")); 785 ret = 1; 786 } else if (zfs_mount(zhp, NULL, 0) != 0) { 787 (void) fprintf(stderr, gettext("filesystem " 788 "successfully created, but not mounted\n")); 789 ret = 1; 790 } else if (zfs_share(zhp, NULL) != 0) { 791 (void) fprintf(stderr, gettext("filesystem " 792 "successfully created, but not shared\n")); 793 ret = 1; 794 } 795 zfs_commit_shares(NULL); 796 } 797 798 zfs_close(zhp); 799 800 return (ret); 801 } 802 803 /* 804 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol> 805 * 806 * Given an existing dataset, create a writable copy whose initial contents 807 * are the same as the source. The newly created dataset maintains a 808 * dependency on the original; the original cannot be destroyed so long as 809 * the clone exists. 810 * 811 * The '-p' flag creates all the non-existing ancestors of the target first. 812 */ 813 static int 814 zfs_do_clone(int argc, char **argv) 815 { 816 zfs_handle_t *zhp = NULL; 817 boolean_t parents = B_FALSE; 818 nvlist_t *props; 819 int ret = 0; 820 int c; 821 822 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 823 nomem(); 824 825 /* check options */ 826 while ((c = getopt(argc, argv, "o:p")) != -1) { 827 switch (c) { 828 case 'o': 829 if (!parseprop(props, optarg)) { 830 nvlist_free(props); 831 return (1); 832 } 833 break; 834 case 'p': 835 parents = B_TRUE; 836 break; 837 case '?': 838 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 839 optopt); 840 goto usage; 841 } 842 } 843 844 argc -= optind; 845 argv += optind; 846 847 /* check number of arguments */ 848 if (argc < 1) { 849 (void) fprintf(stderr, gettext("missing source dataset " 850 "argument\n")); 851 goto usage; 852 } 853 if (argc < 2) { 854 (void) fprintf(stderr, gettext("missing target dataset " 855 "argument\n")); 856 goto usage; 857 } 858 if (argc > 2) { 859 (void) fprintf(stderr, gettext("too many arguments\n")); 860 goto usage; 861 } 862 863 /* open the source dataset */ 864 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) { 865 nvlist_free(props); 866 return (1); 867 } 868 869 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM | 870 ZFS_TYPE_VOLUME)) { 871 /* 872 * Now create the ancestors of the target dataset. If the 873 * target already exists and '-p' option was used we should not 874 * complain. 875 */ 876 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | 877 ZFS_TYPE_VOLUME)) { 878 zfs_close(zhp); 879 nvlist_free(props); 880 return (0); 881 } 882 if (zfs_create_ancestors(g_zfs, argv[1]) != 0) { 883 zfs_close(zhp); 884 nvlist_free(props); 885 return (1); 886 } 887 } 888 889 /* pass to libzfs */ 890 ret = zfs_clone(zhp, argv[1], props); 891 892 /* create the mountpoint if necessary */ 893 if (ret == 0) { 894 if (log_history) { 895 (void) zpool_log_history(g_zfs, history_str); 896 log_history = B_FALSE; 897 } 898 899 ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET); 900 } 901 902 zfs_close(zhp); 903 nvlist_free(props); 904 905 return (!!ret); 906 907 usage: 908 ASSERT3P(zhp, ==, NULL); 909 nvlist_free(props); 910 usage(B_FALSE); 911 return (-1); 912 } 913 914 /* 915 * Return a default volblocksize for the pool which always uses more than 916 * half of the data sectors. This primarily applies to dRAID which always 917 * writes full stripe widths. 918 */ 919 static uint64_t 920 default_volblocksize(zpool_handle_t *zhp, nvlist_t *props) 921 { 922 uint64_t volblocksize, asize = SPA_MINBLOCKSIZE; 923 nvlist_t *tree, **vdevs; 924 uint_t nvdevs; 925 926 nvlist_t *config = zpool_get_config(zhp, NULL); 927 928 if (nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &tree) != 0 || 929 nvlist_lookup_nvlist_array(tree, ZPOOL_CONFIG_CHILDREN, 930 &vdevs, &nvdevs) != 0) { 931 return (ZVOL_DEFAULT_BLOCKSIZE); 932 } 933 934 for (int i = 0; i < nvdevs; i++) { 935 nvlist_t *nv = vdevs[i]; 936 uint64_t ashift, ndata, nparity; 937 938 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_ASHIFT, &ashift) != 0) 939 continue; 940 941 if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DRAID_NDATA, 942 &ndata) == 0) { 943 /* dRAID minimum allocation width */ 944 asize = MAX(asize, ndata * (1ULL << ashift)); 945 } else if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NPARITY, 946 &nparity) == 0) { 947 /* raidz minimum allocation width */ 948 if (nparity == 1) 949 asize = MAX(asize, 2 * (1ULL << ashift)); 950 else 951 asize = MAX(asize, 4 * (1ULL << ashift)); 952 } else { 953 /* mirror or (non-redundant) leaf vdev */ 954 asize = MAX(asize, 1ULL << ashift); 955 } 956 } 957 958 /* 959 * Calculate the target volblocksize such that more than half 960 * of the asize is used. The following table is for 4k sectors. 961 * 962 * n asize blksz used | n asize blksz used 963 * -------------------------+--------------------------------- 964 * 1 4,096 8,192 100% | 9 36,864 32,768 88% 965 * 2 8,192 8,192 100% | 10 40,960 32,768 80% 966 * 3 12,288 8,192 66% | 11 45,056 32,768 72% 967 * 4 16,384 16,384 100% | 12 49,152 32,768 66% 968 * 5 20,480 16,384 80% | 13 53,248 32,768 61% 969 * 6 24,576 16,384 66% | 14 57,344 32,768 57% 970 * 7 28,672 16,384 57% | 15 61,440 32,768 53% 971 * 8 32,768 32,768 100% | 16 65,536 65,636 100% 972 * 973 * This is primarily a concern for dRAID which always allocates 974 * a full stripe width. For dRAID the default stripe width is 975 * n=8 in which case the volblocksize is set to 32k. Ignoring 976 * compression there are no unused sectors. This same reasoning 977 * applies to raidz[2,3] so target 4 sectors to minimize waste. 978 */ 979 uint64_t tgt_volblocksize = ZVOL_DEFAULT_BLOCKSIZE; 980 while (tgt_volblocksize * 2 <= asize) 981 tgt_volblocksize *= 2; 982 983 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE); 984 if (nvlist_lookup_uint64(props, prop, &volblocksize) == 0) { 985 986 /* Issue a warning when a non-optimal size is requested. */ 987 if (volblocksize < ZVOL_DEFAULT_BLOCKSIZE) { 988 (void) fprintf(stderr, gettext("Warning: " 989 "volblocksize (%llu) is less than the default " 990 "minimum block size (%llu).\nTo reduce wasted " 991 "space a volblocksize of %llu is recommended.\n"), 992 (u_longlong_t)volblocksize, 993 (u_longlong_t)ZVOL_DEFAULT_BLOCKSIZE, 994 (u_longlong_t)tgt_volblocksize); 995 } else if (volblocksize < tgt_volblocksize) { 996 (void) fprintf(stderr, gettext("Warning: " 997 "volblocksize (%llu) is much less than the " 998 "minimum allocation\nunit (%llu), which wastes " 999 "at least %llu%% of space. To reduce wasted " 1000 "space,\nuse a larger volblocksize (%llu is " 1001 "recommended), fewer dRAID data disks\n" 1002 "per group, or smaller sector size (ashift).\n"), 1003 (u_longlong_t)volblocksize, (u_longlong_t)asize, 1004 (u_longlong_t)((100 * (asize - volblocksize)) / 1005 asize), (u_longlong_t)tgt_volblocksize); 1006 } 1007 } else { 1008 volblocksize = tgt_volblocksize; 1009 fnvlist_add_uint64(props, prop, volblocksize); 1010 } 1011 1012 return (volblocksize); 1013 } 1014 1015 /* 1016 * zfs create [-Pnpv] [-o prop=value] ... fs 1017 * zfs create [-Pnpsv] [-b blocksize] [-o prop=value] ... -V vol size 1018 * 1019 * Create a new dataset. This command can be used to create filesystems 1020 * and volumes. Snapshot creation is handled by 'zfs snapshot'. 1021 * For volumes, the user must specify a size to be used. 1022 * 1023 * The '-s' flag applies only to volumes, and indicates that we should not try 1024 * to set the reservation for this volume. By default we set a reservation 1025 * equal to the size for any volume. For pools with SPA_VERSION >= 1026 * SPA_VERSION_REFRESERVATION, we set a refreservation instead. 1027 * 1028 * The '-p' flag creates all the non-existing ancestors of the target first. 1029 * 1030 * The '-n' flag is no-op (dry run) mode. This will perform a user-space sanity 1031 * check of arguments and properties, but does not check for permissions, 1032 * available space, etc. 1033 * 1034 * The '-u' flag prevents the newly created file system from being mounted. 1035 * 1036 * The '-v' flag is for verbose output. 1037 * 1038 * The '-P' flag is used for parseable output. It implies '-v'. 1039 */ 1040 static int 1041 zfs_do_create(int argc, char **argv) 1042 { 1043 zfs_type_t type = ZFS_TYPE_FILESYSTEM; 1044 zpool_handle_t *zpool_handle = NULL; 1045 nvlist_t *real_props = NULL; 1046 uint64_t volsize = 0; 1047 int c; 1048 boolean_t noreserve = B_FALSE; 1049 boolean_t bflag = B_FALSE; 1050 boolean_t parents = B_FALSE; 1051 boolean_t dryrun = B_FALSE; 1052 boolean_t nomount = B_FALSE; 1053 boolean_t verbose = B_FALSE; 1054 boolean_t parseable = B_FALSE; 1055 int ret = 1; 1056 nvlist_t *props; 1057 uint64_t intval; 1058 const char *strval; 1059 1060 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 1061 nomem(); 1062 1063 /* check options */ 1064 while ((c = getopt(argc, argv, ":PV:b:nso:puv")) != -1) { 1065 switch (c) { 1066 case 'V': 1067 type = ZFS_TYPE_VOLUME; 1068 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { 1069 (void) fprintf(stderr, gettext("bad volume " 1070 "size '%s': %s\n"), optarg, 1071 libzfs_error_description(g_zfs)); 1072 goto error; 1073 } 1074 1075 if (nvlist_add_uint64(props, 1076 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0) 1077 nomem(); 1078 volsize = intval; 1079 break; 1080 case 'P': 1081 verbose = B_TRUE; 1082 parseable = B_TRUE; 1083 break; 1084 case 'p': 1085 parents = B_TRUE; 1086 break; 1087 case 'b': 1088 bflag = B_TRUE; 1089 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { 1090 (void) fprintf(stderr, gettext("bad volume " 1091 "block size '%s': %s\n"), optarg, 1092 libzfs_error_description(g_zfs)); 1093 goto error; 1094 } 1095 1096 if (nvlist_add_uint64(props, 1097 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 1098 intval) != 0) 1099 nomem(); 1100 break; 1101 case 'n': 1102 dryrun = B_TRUE; 1103 break; 1104 case 'o': 1105 if (!parseprop(props, optarg)) 1106 goto error; 1107 break; 1108 case 's': 1109 noreserve = B_TRUE; 1110 break; 1111 case 'u': 1112 nomount = B_TRUE; 1113 break; 1114 case 'v': 1115 verbose = B_TRUE; 1116 break; 1117 case ':': 1118 (void) fprintf(stderr, gettext("missing size " 1119 "argument\n")); 1120 goto badusage; 1121 case '?': 1122 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1123 optopt); 1124 goto badusage; 1125 } 1126 } 1127 1128 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) { 1129 (void) fprintf(stderr, gettext("'-s' and '-b' can only be " 1130 "used when creating a volume\n")); 1131 goto badusage; 1132 } 1133 if (nomount && type != ZFS_TYPE_FILESYSTEM) { 1134 (void) fprintf(stderr, gettext("'-u' can only be " 1135 "used when creating a filesystem\n")); 1136 goto badusage; 1137 } 1138 1139 argc -= optind; 1140 argv += optind; 1141 1142 /* check number of arguments */ 1143 if (argc == 0) { 1144 (void) fprintf(stderr, gettext("missing %s argument\n"), 1145 zfs_type_to_name(type)); 1146 goto badusage; 1147 } 1148 if (argc > 1) { 1149 (void) fprintf(stderr, gettext("too many arguments\n")); 1150 goto badusage; 1151 } 1152 1153 if (dryrun || type == ZFS_TYPE_VOLUME) { 1154 char msg[ZFS_MAX_DATASET_NAME_LEN * 2]; 1155 char *p; 1156 1157 if ((p = strchr(argv[0], '/')) != NULL) 1158 *p = '\0'; 1159 zpool_handle = zpool_open(g_zfs, argv[0]); 1160 if (p != NULL) 1161 *p = '/'; 1162 if (zpool_handle == NULL) 1163 goto error; 1164 1165 (void) snprintf(msg, sizeof (msg), 1166 dryrun ? gettext("cannot verify '%s'") : 1167 gettext("cannot create '%s'"), argv[0]); 1168 if (props && (real_props = zfs_valid_proplist(g_zfs, type, 1169 props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) { 1170 zpool_close(zpool_handle); 1171 goto error; 1172 } 1173 } 1174 1175 if (type == ZFS_TYPE_VOLUME) { 1176 const char *prop = zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE); 1177 uint64_t volblocksize = default_volblocksize(zpool_handle, 1178 real_props); 1179 1180 if (volblocksize != ZVOL_DEFAULT_BLOCKSIZE && 1181 nvlist_lookup_string(props, prop, &strval) != 0) { 1182 char *tmp; 1183 if (asprintf(&tmp, "%llu", 1184 (u_longlong_t)volblocksize) == -1) 1185 nomem(); 1186 nvlist_add_string(props, prop, tmp); 1187 free(tmp); 1188 } 1189 1190 /* 1191 * If volsize is not a multiple of volblocksize, round it 1192 * up to the nearest multiple of the volblocksize. 1193 */ 1194 if (volsize % volblocksize) { 1195 volsize = P2ROUNDUP_TYPED(volsize, volblocksize, 1196 uint64_t); 1197 1198 if (nvlist_add_uint64(props, 1199 zfs_prop_to_name(ZFS_PROP_VOLSIZE), volsize) != 0) { 1200 nvlist_free(props); 1201 nomem(); 1202 } 1203 } 1204 } 1205 1206 if (type == ZFS_TYPE_VOLUME && !noreserve) { 1207 uint64_t spa_version; 1208 zfs_prop_t resv_prop; 1209 1210 spa_version = zpool_get_prop_int(zpool_handle, 1211 ZPOOL_PROP_VERSION, NULL); 1212 if (spa_version >= SPA_VERSION_REFRESERVATION) 1213 resv_prop = ZFS_PROP_REFRESERVATION; 1214 else 1215 resv_prop = ZFS_PROP_RESERVATION; 1216 1217 volsize = zvol_volsize_to_reservation(zpool_handle, volsize, 1218 real_props); 1219 1220 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop), 1221 &strval) != 0) { 1222 if (nvlist_add_uint64(props, 1223 zfs_prop_to_name(resv_prop), volsize) != 0) { 1224 nvlist_free(props); 1225 nomem(); 1226 } 1227 } 1228 } 1229 if (zpool_handle != NULL) { 1230 zpool_close(zpool_handle); 1231 nvlist_free(real_props); 1232 } 1233 1234 if (parents && zfs_name_valid(argv[0], type)) { 1235 /* 1236 * Now create the ancestors of target dataset. If the target 1237 * already exists and '-p' option was used we should not 1238 * complain. 1239 */ 1240 if (zfs_dataset_exists(g_zfs, argv[0], type)) { 1241 ret = 0; 1242 goto error; 1243 } 1244 if (verbose) { 1245 (void) printf(parseable ? "create_ancestors\t%s\n" : 1246 dryrun ? "would create ancestors of %s\n" : 1247 "create ancestors of %s\n", argv[0]); 1248 } 1249 if (!dryrun) { 1250 if (zfs_create_ancestors(g_zfs, argv[0]) != 0) { 1251 goto error; 1252 } 1253 } 1254 } 1255 1256 if (verbose) { 1257 nvpair_t *nvp = NULL; 1258 (void) printf(parseable ? "create\t%s\n" : 1259 dryrun ? "would create %s\n" : "create %s\n", argv[0]); 1260 while ((nvp = nvlist_next_nvpair(props, nvp)) != NULL) { 1261 uint64_t uval; 1262 const char *sval; 1263 1264 switch (nvpair_type(nvp)) { 1265 case DATA_TYPE_UINT64: 1266 VERIFY0(nvpair_value_uint64(nvp, &uval)); 1267 (void) printf(parseable ? 1268 "property\t%s\t%llu\n" : "\t%s=%llu\n", 1269 nvpair_name(nvp), (u_longlong_t)uval); 1270 break; 1271 case DATA_TYPE_STRING: 1272 VERIFY0(nvpair_value_string(nvp, &sval)); 1273 (void) printf(parseable ? 1274 "property\t%s\t%s\n" : "\t%s=%s\n", 1275 nvpair_name(nvp), sval); 1276 break; 1277 default: 1278 (void) fprintf(stderr, "property '%s' " 1279 "has illegal type %d\n", 1280 nvpair_name(nvp), nvpair_type(nvp)); 1281 abort(); 1282 } 1283 } 1284 } 1285 if (dryrun) { 1286 ret = 0; 1287 goto error; 1288 } 1289 1290 /* pass to libzfs */ 1291 if (zfs_create(g_zfs, argv[0], type, props) != 0) 1292 goto error; 1293 1294 if (log_history) { 1295 (void) zpool_log_history(g_zfs, history_str); 1296 log_history = B_FALSE; 1297 } 1298 1299 if (nomount) { 1300 ret = 0; 1301 goto error; 1302 } 1303 1304 ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET); 1305 error: 1306 nvlist_free(props); 1307 return (ret); 1308 badusage: 1309 nvlist_free(props); 1310 usage(B_FALSE); 1311 return (2); 1312 } 1313 1314 /* 1315 * zfs destroy [-rRf] <fs, vol> 1316 * zfs destroy [-rRd] <snap> 1317 * 1318 * -r Recursively destroy all children 1319 * -R Recursively destroy all dependents, including clones 1320 * -f Force unmounting of any dependents 1321 * -d If we can't destroy now, mark for deferred destruction 1322 * 1323 * Destroys the given dataset. By default, it will unmount any filesystems, 1324 * and refuse to destroy a dataset that has any dependents. A dependent can 1325 * either be a child, or a clone of a child. 1326 */ 1327 typedef struct destroy_cbdata { 1328 boolean_t cb_first; 1329 boolean_t cb_force; 1330 boolean_t cb_recurse; 1331 boolean_t cb_error; 1332 boolean_t cb_doclones; 1333 zfs_handle_t *cb_target; 1334 boolean_t cb_defer_destroy; 1335 boolean_t cb_verbose; 1336 boolean_t cb_parsable; 1337 boolean_t cb_dryrun; 1338 nvlist_t *cb_nvl; 1339 nvlist_t *cb_batchedsnaps; 1340 1341 /* first snap in contiguous run */ 1342 char *cb_firstsnap; 1343 /* previous snap in contiguous run */ 1344 char *cb_prevsnap; 1345 int64_t cb_snapused; 1346 char *cb_snapspec; 1347 char *cb_bookmark; 1348 uint64_t cb_snap_count; 1349 } destroy_cbdata_t; 1350 1351 /* 1352 * Check for any dependents based on the '-r' or '-R' flags. 1353 */ 1354 static int 1355 destroy_check_dependent(zfs_handle_t *zhp, void *data) 1356 { 1357 destroy_cbdata_t *cbp = data; 1358 const char *tname = zfs_get_name(cbp->cb_target); 1359 const char *name = zfs_get_name(zhp); 1360 1361 if (strncmp(tname, name, strlen(tname)) == 0 && 1362 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) { 1363 /* 1364 * This is a direct descendant, not a clone somewhere else in 1365 * the hierarchy. 1366 */ 1367 if (cbp->cb_recurse) 1368 goto out; 1369 1370 if (cbp->cb_first) { 1371 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1372 "%s has children\n"), 1373 zfs_get_name(cbp->cb_target), 1374 zfs_type_to_name(zfs_get_type(cbp->cb_target))); 1375 (void) fprintf(stderr, gettext("use '-r' to destroy " 1376 "the following datasets:\n")); 1377 cbp->cb_first = B_FALSE; 1378 cbp->cb_error = B_TRUE; 1379 } 1380 1381 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 1382 } else { 1383 /* 1384 * This is a clone. We only want to report this if the '-r' 1385 * wasn't specified, or the target is a snapshot. 1386 */ 1387 if (!cbp->cb_recurse && 1388 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT) 1389 goto out; 1390 1391 if (cbp->cb_first) { 1392 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1393 "%s has dependent clones\n"), 1394 zfs_get_name(cbp->cb_target), 1395 zfs_type_to_name(zfs_get_type(cbp->cb_target))); 1396 (void) fprintf(stderr, gettext("use '-R' to destroy " 1397 "the following datasets:\n")); 1398 cbp->cb_first = B_FALSE; 1399 cbp->cb_error = B_TRUE; 1400 cbp->cb_dryrun = B_TRUE; 1401 } 1402 1403 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 1404 } 1405 1406 out: 1407 zfs_close(zhp); 1408 return (0); 1409 } 1410 1411 static int 1412 destroy_batched(destroy_cbdata_t *cb) 1413 { 1414 int error = zfs_destroy_snaps_nvl(g_zfs, 1415 cb->cb_batchedsnaps, B_FALSE); 1416 fnvlist_free(cb->cb_batchedsnaps); 1417 cb->cb_batchedsnaps = fnvlist_alloc(); 1418 return (error); 1419 } 1420 1421 static int 1422 destroy_callback(zfs_handle_t *zhp, void *data) 1423 { 1424 destroy_cbdata_t *cb = data; 1425 const char *name = zfs_get_name(zhp); 1426 int error; 1427 1428 if (cb->cb_verbose) { 1429 if (cb->cb_parsable) { 1430 (void) printf("destroy\t%s\n", name); 1431 } else if (cb->cb_dryrun) { 1432 (void) printf(gettext("would destroy %s\n"), 1433 name); 1434 } else { 1435 (void) printf(gettext("will destroy %s\n"), 1436 name); 1437 } 1438 } 1439 1440 /* 1441 * Ignore pools (which we've already flagged as an error before getting 1442 * here). 1443 */ 1444 if (strchr(zfs_get_name(zhp), '/') == NULL && 1445 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { 1446 zfs_close(zhp); 1447 return (0); 1448 } 1449 if (cb->cb_dryrun) { 1450 zfs_close(zhp); 1451 return (0); 1452 } 1453 1454 /* 1455 * We batch up all contiguous snapshots (even of different 1456 * filesystems) and destroy them with one ioctl. We can't 1457 * simply do all snap deletions and then all fs deletions, 1458 * because we must delete a clone before its origin. 1459 */ 1460 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) { 1461 cb->cb_snap_count++; 1462 fnvlist_add_boolean(cb->cb_batchedsnaps, name); 1463 if (cb->cb_snap_count % 10 == 0 && cb->cb_defer_destroy) { 1464 error = destroy_batched(cb); 1465 if (error != 0) { 1466 zfs_close(zhp); 1467 return (-1); 1468 } 1469 } 1470 } else { 1471 error = destroy_batched(cb); 1472 if (error != 0 || 1473 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 || 1474 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) { 1475 zfs_close(zhp); 1476 /* 1477 * When performing a recursive destroy we ignore errors 1478 * so that the recursive destroy could continue 1479 * destroying past problem datasets 1480 */ 1481 if (cb->cb_recurse) { 1482 cb->cb_error = B_TRUE; 1483 return (0); 1484 } 1485 return (-1); 1486 } 1487 } 1488 1489 zfs_close(zhp); 1490 return (0); 1491 } 1492 1493 static int 1494 destroy_print_cb(zfs_handle_t *zhp, void *arg) 1495 { 1496 destroy_cbdata_t *cb = arg; 1497 const char *name = zfs_get_name(zhp); 1498 int err = 0; 1499 1500 if (nvlist_exists(cb->cb_nvl, name)) { 1501 if (cb->cb_firstsnap == NULL) 1502 cb->cb_firstsnap = strdup(name); 1503 if (cb->cb_prevsnap != NULL) 1504 free(cb->cb_prevsnap); 1505 /* this snap continues the current range */ 1506 cb->cb_prevsnap = strdup(name); 1507 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL) 1508 nomem(); 1509 if (cb->cb_verbose) { 1510 if (cb->cb_parsable) { 1511 (void) printf("destroy\t%s\n", name); 1512 } else if (cb->cb_dryrun) { 1513 (void) printf(gettext("would destroy %s\n"), 1514 name); 1515 } else { 1516 (void) printf(gettext("will destroy %s\n"), 1517 name); 1518 } 1519 } 1520 } else if (cb->cb_firstsnap != NULL) { 1521 /* end of this range */ 1522 uint64_t used = 0; 1523 err = lzc_snaprange_space(cb->cb_firstsnap, 1524 cb->cb_prevsnap, &used); 1525 cb->cb_snapused += used; 1526 free(cb->cb_firstsnap); 1527 cb->cb_firstsnap = NULL; 1528 free(cb->cb_prevsnap); 1529 cb->cb_prevsnap = NULL; 1530 } 1531 zfs_close(zhp); 1532 return (err); 1533 } 1534 1535 static int 1536 destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb) 1537 { 1538 int err; 1539 assert(cb->cb_firstsnap == NULL); 1540 assert(cb->cb_prevsnap == NULL); 1541 err = zfs_iter_snapshots_sorted_v2(fs_zhp, 0, destroy_print_cb, cb, 0, 1542 0); 1543 if (cb->cb_firstsnap != NULL) { 1544 uint64_t used = 0; 1545 if (err == 0) { 1546 err = lzc_snaprange_space(cb->cb_firstsnap, 1547 cb->cb_prevsnap, &used); 1548 } 1549 cb->cb_snapused += used; 1550 free(cb->cb_firstsnap); 1551 cb->cb_firstsnap = NULL; 1552 free(cb->cb_prevsnap); 1553 cb->cb_prevsnap = NULL; 1554 } 1555 return (err); 1556 } 1557 1558 static int 1559 snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg) 1560 { 1561 destroy_cbdata_t *cb = arg; 1562 int err = 0; 1563 1564 /* Check for clones. */ 1565 if (!cb->cb_doclones && !cb->cb_defer_destroy) { 1566 cb->cb_target = zhp; 1567 cb->cb_first = B_TRUE; 1568 err = zfs_iter_dependents_v2(zhp, 0, B_TRUE, 1569 destroy_check_dependent, cb); 1570 } 1571 1572 if (err == 0) { 1573 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp))) 1574 nomem(); 1575 } 1576 zfs_close(zhp); 1577 return (err); 1578 } 1579 1580 static int 1581 gather_snapshots(zfs_handle_t *zhp, void *arg) 1582 { 1583 destroy_cbdata_t *cb = arg; 1584 int err = 0; 1585 1586 err = zfs_iter_snapspec_v2(zhp, 0, cb->cb_snapspec, 1587 snapshot_to_nvl_cb, cb); 1588 if (err == ENOENT) 1589 err = 0; 1590 if (err != 0) 1591 goto out; 1592 1593 if (cb->cb_verbose) { 1594 err = destroy_print_snapshots(zhp, cb); 1595 if (err != 0) 1596 goto out; 1597 } 1598 1599 if (cb->cb_recurse) 1600 err = zfs_iter_filesystems_v2(zhp, 0, gather_snapshots, cb); 1601 1602 out: 1603 zfs_close(zhp); 1604 return (err); 1605 } 1606 1607 static int 1608 destroy_clones(destroy_cbdata_t *cb) 1609 { 1610 nvpair_t *pair; 1611 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL); 1612 pair != NULL; 1613 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) { 1614 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair), 1615 ZFS_TYPE_SNAPSHOT); 1616 if (zhp != NULL) { 1617 boolean_t defer = cb->cb_defer_destroy; 1618 int err; 1619 1620 /* 1621 * We can't defer destroy non-snapshots, so set it to 1622 * false while destroying the clones. 1623 */ 1624 cb->cb_defer_destroy = B_FALSE; 1625 err = zfs_iter_dependents_v2(zhp, 0, B_FALSE, 1626 destroy_callback, cb); 1627 cb->cb_defer_destroy = defer; 1628 zfs_close(zhp); 1629 if (err != 0) 1630 return (err); 1631 } 1632 } 1633 return (0); 1634 } 1635 1636 static int 1637 zfs_do_destroy(int argc, char **argv) 1638 { 1639 destroy_cbdata_t cb = { 0 }; 1640 int rv = 0; 1641 int err = 0; 1642 int c; 1643 zfs_handle_t *zhp = NULL; 1644 char *at, *pound; 1645 zfs_type_t type = ZFS_TYPE_DATASET; 1646 1647 /* check options */ 1648 while ((c = getopt(argc, argv, "vpndfrR")) != -1) { 1649 switch (c) { 1650 case 'v': 1651 cb.cb_verbose = B_TRUE; 1652 break; 1653 case 'p': 1654 cb.cb_verbose = B_TRUE; 1655 cb.cb_parsable = B_TRUE; 1656 break; 1657 case 'n': 1658 cb.cb_dryrun = B_TRUE; 1659 break; 1660 case 'd': 1661 cb.cb_defer_destroy = B_TRUE; 1662 type = ZFS_TYPE_SNAPSHOT; 1663 break; 1664 case 'f': 1665 cb.cb_force = B_TRUE; 1666 break; 1667 case 'r': 1668 cb.cb_recurse = B_TRUE; 1669 break; 1670 case 'R': 1671 cb.cb_recurse = B_TRUE; 1672 cb.cb_doclones = B_TRUE; 1673 break; 1674 case '?': 1675 default: 1676 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1677 optopt); 1678 usage(B_FALSE); 1679 } 1680 } 1681 1682 argc -= optind; 1683 argv += optind; 1684 1685 /* check number of arguments */ 1686 if (argc == 0) { 1687 (void) fprintf(stderr, gettext("missing dataset argument\n")); 1688 usage(B_FALSE); 1689 } 1690 if (argc > 1) { 1691 (void) fprintf(stderr, gettext("too many arguments\n")); 1692 usage(B_FALSE); 1693 } 1694 1695 at = strchr(argv[0], '@'); 1696 pound = strchr(argv[0], '#'); 1697 if (at != NULL) { 1698 1699 /* Build the list of snaps to destroy in cb_nvl. */ 1700 cb.cb_nvl = fnvlist_alloc(); 1701 1702 *at = '\0'; 1703 zhp = zfs_open(g_zfs, argv[0], 1704 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 1705 if (zhp == NULL) { 1706 nvlist_free(cb.cb_nvl); 1707 return (1); 1708 } 1709 1710 cb.cb_snapspec = at + 1; 1711 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 || 1712 cb.cb_error) { 1713 rv = 1; 1714 goto out; 1715 } 1716 1717 if (nvlist_empty(cb.cb_nvl)) { 1718 (void) fprintf(stderr, gettext("could not find any " 1719 "snapshots to destroy; check snapshot names.\n")); 1720 rv = 1; 1721 goto out; 1722 } 1723 1724 if (cb.cb_verbose) { 1725 char buf[16]; 1726 zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf)); 1727 if (cb.cb_parsable) { 1728 (void) printf("reclaim\t%llu\n", 1729 (u_longlong_t)cb.cb_snapused); 1730 } else if (cb.cb_dryrun) { 1731 (void) printf(gettext("would reclaim %s\n"), 1732 buf); 1733 } else { 1734 (void) printf(gettext("will reclaim %s\n"), 1735 buf); 1736 } 1737 } 1738 1739 if (!cb.cb_dryrun) { 1740 if (cb.cb_doclones) { 1741 cb.cb_batchedsnaps = fnvlist_alloc(); 1742 err = destroy_clones(&cb); 1743 if (err == 0) { 1744 err = zfs_destroy_snaps_nvl(g_zfs, 1745 cb.cb_batchedsnaps, B_FALSE); 1746 } 1747 if (err != 0) { 1748 rv = 1; 1749 goto out; 1750 } 1751 } 1752 if (err == 0) { 1753 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl, 1754 cb.cb_defer_destroy); 1755 } 1756 } 1757 1758 if (err != 0) 1759 rv = 1; 1760 } else if (pound != NULL) { 1761 int err; 1762 nvlist_t *nvl; 1763 1764 if (cb.cb_dryrun) { 1765 (void) fprintf(stderr, 1766 "dryrun is not supported with bookmark\n"); 1767 return (-1); 1768 } 1769 1770 if (cb.cb_defer_destroy) { 1771 (void) fprintf(stderr, 1772 "defer destroy is not supported with bookmark\n"); 1773 return (-1); 1774 } 1775 1776 if (cb.cb_recurse) { 1777 (void) fprintf(stderr, 1778 "recursive is not supported with bookmark\n"); 1779 return (-1); 1780 } 1781 1782 /* 1783 * Unfortunately, zfs_bookmark() doesn't honor the 1784 * casesensitivity setting. However, we can't simply 1785 * remove this check, because lzc_destroy_bookmarks() 1786 * ignores non-existent bookmarks, so this is necessary 1787 * to get a proper error message. 1788 */ 1789 if (!zfs_bookmark_exists(argv[0])) { 1790 (void) fprintf(stderr, gettext("bookmark '%s' " 1791 "does not exist.\n"), argv[0]); 1792 return (1); 1793 } 1794 1795 nvl = fnvlist_alloc(); 1796 fnvlist_add_boolean(nvl, argv[0]); 1797 1798 err = lzc_destroy_bookmarks(nvl, NULL); 1799 if (err != 0) { 1800 (void) zfs_standard_error(g_zfs, err, 1801 "cannot destroy bookmark"); 1802 } 1803 1804 nvlist_free(nvl); 1805 1806 return (err); 1807 } else { 1808 /* Open the given dataset */ 1809 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL) 1810 return (1); 1811 1812 cb.cb_target = zhp; 1813 1814 /* 1815 * Perform an explicit check for pools before going any further. 1816 */ 1817 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL && 1818 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { 1819 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1820 "operation does not apply to pools\n"), 1821 zfs_get_name(zhp)); 1822 (void) fprintf(stderr, gettext("use 'zfs destroy -r " 1823 "%s' to destroy all datasets in the pool\n"), 1824 zfs_get_name(zhp)); 1825 (void) fprintf(stderr, gettext("use 'zpool destroy %s' " 1826 "to destroy the pool itself\n"), zfs_get_name(zhp)); 1827 rv = 1; 1828 goto out; 1829 } 1830 1831 /* 1832 * Check for any dependents and/or clones. 1833 */ 1834 cb.cb_first = B_TRUE; 1835 if (!cb.cb_doclones && zfs_iter_dependents_v2(zhp, 0, B_TRUE, 1836 destroy_check_dependent, &cb) != 0) { 1837 rv = 1; 1838 goto out; 1839 } 1840 1841 if (cb.cb_error) { 1842 rv = 1; 1843 goto out; 1844 } 1845 cb.cb_batchedsnaps = fnvlist_alloc(); 1846 if (zfs_iter_dependents_v2(zhp, 0, B_FALSE, destroy_callback, 1847 &cb) != 0) { 1848 rv = 1; 1849 goto out; 1850 } 1851 1852 /* 1853 * Do the real thing. The callback will close the 1854 * handle regardless of whether it succeeds or not. 1855 */ 1856 err = destroy_callback(zhp, &cb); 1857 zhp = NULL; 1858 if (err == 0) { 1859 err = zfs_destroy_snaps_nvl(g_zfs, 1860 cb.cb_batchedsnaps, cb.cb_defer_destroy); 1861 } 1862 if (err != 0 || cb.cb_error == B_TRUE) 1863 rv = 1; 1864 } 1865 1866 out: 1867 fnvlist_free(cb.cb_batchedsnaps); 1868 fnvlist_free(cb.cb_nvl); 1869 if (zhp != NULL) 1870 zfs_close(zhp); 1871 return (rv); 1872 } 1873 1874 static boolean_t 1875 is_recvd_column(zprop_get_cbdata_t *cbp) 1876 { 1877 int i; 1878 zfs_get_column_t col; 1879 1880 for (i = 0; i < ZFS_GET_NCOLS && 1881 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++) 1882 if (col == GET_COL_RECVD) 1883 return (B_TRUE); 1884 return (B_FALSE); 1885 } 1886 1887 /* 1888 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...] 1889 * < all | property[,property]... > < fs | snap | vol > ... 1890 * 1891 * -r recurse over any child datasets 1892 * -H scripted mode. Headers are stripped, and fields are separated 1893 * by tabs instead of spaces. 1894 * -o Set of fields to display. One of "name,property,value, 1895 * received,source". Default is "name,property,value,source". 1896 * "all" is an alias for all five. 1897 * -s Set of sources to allow. One of 1898 * "local,default,inherited,received,temporary,none". Default is 1899 * all six. 1900 * -p Display values in parsable (literal) format. 1901 * 1902 * Prints properties for the given datasets. The user can control which 1903 * columns to display as well as which property types to allow. 1904 */ 1905 1906 /* 1907 * Invoked to display the properties for a single dataset. 1908 */ 1909 static int 1910 get_callback(zfs_handle_t *zhp, void *data) 1911 { 1912 char buf[ZFS_MAXPROPLEN]; 1913 char rbuf[ZFS_MAXPROPLEN]; 1914 zprop_source_t sourcetype; 1915 char source[ZFS_MAX_DATASET_NAME_LEN]; 1916 zprop_get_cbdata_t *cbp = data; 1917 nvlist_t *user_props = zfs_get_user_props(zhp); 1918 zprop_list_t *pl = cbp->cb_proplist; 1919 nvlist_t *propval; 1920 const char *strval; 1921 const char *sourceval; 1922 boolean_t received = is_recvd_column(cbp); 1923 1924 for (; pl != NULL; pl = pl->pl_next) { 1925 char *recvdval = NULL; 1926 /* 1927 * Skip the special fake placeholder. This will also skip over 1928 * the name property when 'all' is specified. 1929 */ 1930 if (pl->pl_prop == ZFS_PROP_NAME && 1931 pl == cbp->cb_proplist) 1932 continue; 1933 1934 if (pl->pl_prop != ZPROP_USERPROP) { 1935 if (zfs_prop_get(zhp, pl->pl_prop, buf, 1936 sizeof (buf), &sourcetype, source, 1937 sizeof (source), 1938 cbp->cb_literal) != 0) { 1939 if (pl->pl_all) 1940 continue; 1941 if (!zfs_prop_valid_for_type(pl->pl_prop, 1942 ZFS_TYPE_DATASET, B_FALSE)) { 1943 (void) fprintf(stderr, 1944 gettext("No such property '%s'\n"), 1945 zfs_prop_to_name(pl->pl_prop)); 1946 continue; 1947 } 1948 sourcetype = ZPROP_SRC_NONE; 1949 (void) strlcpy(buf, "-", sizeof (buf)); 1950 } 1951 1952 if (received && (zfs_prop_get_recvd(zhp, 1953 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf), 1954 cbp->cb_literal) == 0)) 1955 recvdval = rbuf; 1956 1957 zprop_print_one_property(zfs_get_name(zhp), cbp, 1958 zfs_prop_to_name(pl->pl_prop), 1959 buf, sourcetype, source, recvdval); 1960 } else if (zfs_prop_userquota(pl->pl_user_prop)) { 1961 sourcetype = ZPROP_SRC_LOCAL; 1962 1963 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, 1964 buf, sizeof (buf), cbp->cb_literal) != 0) { 1965 sourcetype = ZPROP_SRC_NONE; 1966 (void) strlcpy(buf, "-", sizeof (buf)); 1967 } 1968 1969 zprop_print_one_property(zfs_get_name(zhp), cbp, 1970 pl->pl_user_prop, buf, sourcetype, source, NULL); 1971 } else if (zfs_prop_written(pl->pl_user_prop)) { 1972 sourcetype = ZPROP_SRC_LOCAL; 1973 1974 if (zfs_prop_get_written(zhp, pl->pl_user_prop, 1975 buf, sizeof (buf), cbp->cb_literal) != 0) { 1976 sourcetype = ZPROP_SRC_NONE; 1977 (void) strlcpy(buf, "-", sizeof (buf)); 1978 } 1979 1980 zprop_print_one_property(zfs_get_name(zhp), cbp, 1981 pl->pl_user_prop, buf, sourcetype, source, NULL); 1982 } else { 1983 if (nvlist_lookup_nvlist(user_props, 1984 pl->pl_user_prop, &propval) != 0) { 1985 if (pl->pl_all) 1986 continue; 1987 sourcetype = ZPROP_SRC_NONE; 1988 strval = "-"; 1989 } else { 1990 strval = fnvlist_lookup_string(propval, 1991 ZPROP_VALUE); 1992 sourceval = fnvlist_lookup_string(propval, 1993 ZPROP_SOURCE); 1994 1995 if (strcmp(sourceval, 1996 zfs_get_name(zhp)) == 0) { 1997 sourcetype = ZPROP_SRC_LOCAL; 1998 } else if (strcmp(sourceval, 1999 ZPROP_SOURCE_VAL_RECVD) == 0) { 2000 sourcetype = ZPROP_SRC_RECEIVED; 2001 } else { 2002 sourcetype = ZPROP_SRC_INHERITED; 2003 (void) strlcpy(source, 2004 sourceval, sizeof (source)); 2005 } 2006 } 2007 2008 if (received && (zfs_prop_get_recvd(zhp, 2009 pl->pl_user_prop, rbuf, sizeof (rbuf), 2010 cbp->cb_literal) == 0)) 2011 recvdval = rbuf; 2012 2013 zprop_print_one_property(zfs_get_name(zhp), cbp, 2014 pl->pl_user_prop, strval, sourcetype, 2015 source, recvdval); 2016 } 2017 } 2018 2019 return (0); 2020 } 2021 2022 static int 2023 zfs_do_get(int argc, char **argv) 2024 { 2025 zprop_get_cbdata_t cb = { 0 }; 2026 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS; 2027 int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK; 2028 char *fields; 2029 int ret = 0; 2030 int limit = 0; 2031 zprop_list_t fake_name = { 0 }; 2032 2033 /* 2034 * Set up default columns and sources. 2035 */ 2036 cb.cb_sources = ZPROP_SRC_ALL; 2037 cb.cb_columns[0] = GET_COL_NAME; 2038 cb.cb_columns[1] = GET_COL_PROPERTY; 2039 cb.cb_columns[2] = GET_COL_VALUE; 2040 cb.cb_columns[3] = GET_COL_SOURCE; 2041 cb.cb_type = ZFS_TYPE_DATASET; 2042 2043 /* check options */ 2044 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) { 2045 switch (c) { 2046 case 'p': 2047 cb.cb_literal = B_TRUE; 2048 break; 2049 case 'd': 2050 limit = parse_depth(optarg, &flags); 2051 break; 2052 case 'r': 2053 flags |= ZFS_ITER_RECURSE; 2054 break; 2055 case 'H': 2056 cb.cb_scripted = B_TRUE; 2057 break; 2058 case ':': 2059 (void) fprintf(stderr, gettext("missing argument for " 2060 "'%c' option\n"), optopt); 2061 usage(B_FALSE); 2062 break; 2063 case 'o': 2064 /* 2065 * Process the set of columns to display. We zero out 2066 * the structure to give us a blank slate. 2067 */ 2068 memset(&cb.cb_columns, 0, sizeof (cb.cb_columns)); 2069 2070 i = 0; 2071 for (char *tok; (tok = strsep(&optarg, ",")); ) { 2072 static const char *const col_subopts[] = 2073 { "name", "property", "value", 2074 "received", "source", "all" }; 2075 static const zfs_get_column_t col_subopt_col[] = 2076 { GET_COL_NAME, GET_COL_PROPERTY, GET_COL_VALUE, 2077 GET_COL_RECVD, GET_COL_SOURCE }; 2078 static const int col_subopt_flags[] = 2079 { 0, 0, 0, ZFS_ITER_RECVD_PROPS, 0 }; 2080 2081 if (i == ZFS_GET_NCOLS) { 2082 (void) fprintf(stderr, gettext("too " 2083 "many fields given to -o " 2084 "option\n")); 2085 usage(B_FALSE); 2086 } 2087 2088 for (c = 0; c < ARRAY_SIZE(col_subopts); ++c) 2089 if (strcmp(tok, col_subopts[c]) == 0) 2090 goto found; 2091 2092 (void) fprintf(stderr, 2093 gettext("invalid column name '%s'\n"), tok); 2094 usage(B_FALSE); 2095 2096 found: 2097 if (c >= 5) { 2098 if (i > 0) { 2099 (void) fprintf(stderr, 2100 gettext("\"all\" conflicts " 2101 "with specific fields " 2102 "given to -o option\n")); 2103 usage(B_FALSE); 2104 } 2105 2106 memcpy(cb.cb_columns, col_subopt_col, 2107 sizeof (col_subopt_col)); 2108 flags |= ZFS_ITER_RECVD_PROPS; 2109 i = ZFS_GET_NCOLS; 2110 } else { 2111 cb.cb_columns[i++] = col_subopt_col[c]; 2112 flags |= col_subopt_flags[c]; 2113 } 2114 } 2115 break; 2116 2117 case 's': 2118 cb.cb_sources = 0; 2119 2120 for (char *tok; (tok = strsep(&optarg, ",")); ) { 2121 static const char *const source_opt[] = { 2122 "local", "default", 2123 "inherited", "received", 2124 "temporary", "none" }; 2125 static const int source_flg[] = { 2126 ZPROP_SRC_LOCAL, ZPROP_SRC_DEFAULT, 2127 ZPROP_SRC_INHERITED, ZPROP_SRC_RECEIVED, 2128 ZPROP_SRC_TEMPORARY, ZPROP_SRC_NONE }; 2129 2130 for (i = 0; i < ARRAY_SIZE(source_opt); ++i) 2131 if (strcmp(tok, source_opt[i]) == 0) { 2132 cb.cb_sources |= source_flg[i]; 2133 goto found2; 2134 } 2135 2136 (void) fprintf(stderr, 2137 gettext("invalid source '%s'\n"), tok); 2138 usage(B_FALSE); 2139 found2:; 2140 } 2141 break; 2142 2143 case 't': 2144 types = 0; 2145 flags &= ~ZFS_ITER_PROP_LISTSNAPS; 2146 2147 for (char *tok; (tok = strsep(&optarg, ",")); ) { 2148 static const char *const type_opts[] = { 2149 "filesystem", 2150 "fs", 2151 "volume", 2152 "vol", 2153 "snapshot", 2154 "snap", 2155 "bookmark", 2156 "all" 2157 }; 2158 static const int type_types[] = { 2159 ZFS_TYPE_FILESYSTEM, 2160 ZFS_TYPE_FILESYSTEM, 2161 ZFS_TYPE_VOLUME, 2162 ZFS_TYPE_VOLUME, 2163 ZFS_TYPE_SNAPSHOT, 2164 ZFS_TYPE_SNAPSHOT, 2165 ZFS_TYPE_BOOKMARK, 2166 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK 2167 }; 2168 2169 for (i = 0; i < ARRAY_SIZE(type_opts); ++i) 2170 if (strcmp(tok, type_opts[i]) == 0) { 2171 types |= type_types[i]; 2172 goto found3; 2173 } 2174 2175 (void) fprintf(stderr, 2176 gettext("invalid type '%s'\n"), tok); 2177 usage(B_FALSE); 2178 found3:; 2179 } 2180 break; 2181 2182 case '?': 2183 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2184 optopt); 2185 usage(B_FALSE); 2186 } 2187 } 2188 2189 argc -= optind; 2190 argv += optind; 2191 2192 if (argc < 1) { 2193 (void) fprintf(stderr, gettext("missing property " 2194 "argument\n")); 2195 usage(B_FALSE); 2196 } 2197 2198 fields = argv[0]; 2199 2200 /* 2201 * Handle users who want to get all snapshots or bookmarks 2202 * of a dataset (ex. 'zfs get -t snapshot refer <dataset>'). 2203 */ 2204 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) && 2205 argc > 1 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) { 2206 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE); 2207 limit = 1; 2208 } 2209 2210 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) 2211 != 0) 2212 usage(B_FALSE); 2213 2214 argc--; 2215 argv++; 2216 2217 /* 2218 * As part of zfs_expand_proplist(), we keep track of the maximum column 2219 * width for each property. For the 'NAME' (and 'SOURCE') columns, we 2220 * need to know the maximum name length. However, the user likely did 2221 * not specify 'name' as one of the properties to fetch, so we need to 2222 * make sure we always include at least this property for 2223 * print_get_headers() to work properly. 2224 */ 2225 if (cb.cb_proplist != NULL) { 2226 fake_name.pl_prop = ZFS_PROP_NAME; 2227 fake_name.pl_width = strlen(gettext("NAME")); 2228 fake_name.pl_next = cb.cb_proplist; 2229 cb.cb_proplist = &fake_name; 2230 } 2231 2232 cb.cb_first = B_TRUE; 2233 2234 /* run for each object */ 2235 ret = zfs_for_each(argc, argv, flags, types, NULL, 2236 &cb.cb_proplist, limit, get_callback, &cb); 2237 2238 if (cb.cb_proplist == &fake_name) 2239 zprop_free_list(fake_name.pl_next); 2240 else 2241 zprop_free_list(cb.cb_proplist); 2242 2243 return (ret); 2244 } 2245 2246 /* 2247 * inherit [-rS] <property> <fs|vol> ... 2248 * 2249 * -r Recurse over all children 2250 * -S Revert to received value, if any 2251 * 2252 * For each dataset specified on the command line, inherit the given property 2253 * from its parent. Inheriting a property at the pool level will cause it to 2254 * use the default value. The '-r' flag will recurse over all children, and is 2255 * useful for setting a property on a hierarchy-wide basis, regardless of any 2256 * local modifications for each dataset. 2257 */ 2258 2259 typedef struct inherit_cbdata { 2260 const char *cb_propname; 2261 boolean_t cb_received; 2262 } inherit_cbdata_t; 2263 2264 static int 2265 inherit_recurse_cb(zfs_handle_t *zhp, void *data) 2266 { 2267 inherit_cbdata_t *cb = data; 2268 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname); 2269 2270 /* 2271 * If we're doing it recursively, then ignore properties that 2272 * are not valid for this type of dataset. 2273 */ 2274 if (prop != ZPROP_INVAL && 2275 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE)) 2276 return (0); 2277 2278 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); 2279 } 2280 2281 static int 2282 inherit_cb(zfs_handle_t *zhp, void *data) 2283 { 2284 inherit_cbdata_t *cb = data; 2285 2286 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); 2287 } 2288 2289 static int 2290 zfs_do_inherit(int argc, char **argv) 2291 { 2292 int c; 2293 zfs_prop_t prop; 2294 inherit_cbdata_t cb = { 0 }; 2295 char *propname; 2296 int ret = 0; 2297 int flags = 0; 2298 boolean_t received = B_FALSE; 2299 2300 /* check options */ 2301 while ((c = getopt(argc, argv, "rS")) != -1) { 2302 switch (c) { 2303 case 'r': 2304 flags |= ZFS_ITER_RECURSE; 2305 break; 2306 case 'S': 2307 received = B_TRUE; 2308 break; 2309 case '?': 2310 default: 2311 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2312 optopt); 2313 usage(B_FALSE); 2314 } 2315 } 2316 2317 argc -= optind; 2318 argv += optind; 2319 2320 /* check number of arguments */ 2321 if (argc < 1) { 2322 (void) fprintf(stderr, gettext("missing property argument\n")); 2323 usage(B_FALSE); 2324 } 2325 if (argc < 2) { 2326 (void) fprintf(stderr, gettext("missing dataset argument\n")); 2327 usage(B_FALSE); 2328 } 2329 2330 propname = argv[0]; 2331 argc--; 2332 argv++; 2333 2334 if ((prop = zfs_name_to_prop(propname)) != ZPROP_USERPROP) { 2335 if (zfs_prop_readonly(prop)) { 2336 (void) fprintf(stderr, gettext( 2337 "%s property is read-only\n"), 2338 propname); 2339 return (1); 2340 } 2341 if (!zfs_prop_inheritable(prop) && !received) { 2342 (void) fprintf(stderr, gettext("'%s' property cannot " 2343 "be inherited\n"), propname); 2344 if (prop == ZFS_PROP_QUOTA || 2345 prop == ZFS_PROP_RESERVATION || 2346 prop == ZFS_PROP_REFQUOTA || 2347 prop == ZFS_PROP_REFRESERVATION) { 2348 (void) fprintf(stderr, gettext("use 'zfs set " 2349 "%s=none' to clear\n"), propname); 2350 (void) fprintf(stderr, gettext("use 'zfs " 2351 "inherit -S %s' to revert to received " 2352 "value\n"), propname); 2353 } 2354 return (1); 2355 } 2356 if (received && (prop == ZFS_PROP_VOLSIZE || 2357 prop == ZFS_PROP_VERSION)) { 2358 (void) fprintf(stderr, gettext("'%s' property cannot " 2359 "be reverted to a received value\n"), propname); 2360 return (1); 2361 } 2362 } else if (!zfs_prop_user(propname)) { 2363 (void) fprintf(stderr, gettext("invalid property '%s'\n"), 2364 propname); 2365 usage(B_FALSE); 2366 } 2367 2368 cb.cb_propname = propname; 2369 cb.cb_received = received; 2370 2371 if (flags & ZFS_ITER_RECURSE) { 2372 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, 2373 NULL, NULL, 0, inherit_recurse_cb, &cb); 2374 } else { 2375 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, 2376 NULL, NULL, 0, inherit_cb, &cb); 2377 } 2378 2379 return (ret); 2380 } 2381 2382 typedef struct upgrade_cbdata { 2383 uint64_t cb_numupgraded; 2384 uint64_t cb_numsamegraded; 2385 uint64_t cb_numfailed; 2386 uint64_t cb_version; 2387 boolean_t cb_newer; 2388 boolean_t cb_foundone; 2389 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN]; 2390 } upgrade_cbdata_t; 2391 2392 static int 2393 same_pool(zfs_handle_t *zhp, const char *name) 2394 { 2395 int len1 = strcspn(name, "/@"); 2396 const char *zhname = zfs_get_name(zhp); 2397 int len2 = strcspn(zhname, "/@"); 2398 2399 if (len1 != len2) 2400 return (B_FALSE); 2401 return (strncmp(name, zhname, len1) == 0); 2402 } 2403 2404 static int 2405 upgrade_list_callback(zfs_handle_t *zhp, void *data) 2406 { 2407 upgrade_cbdata_t *cb = data; 2408 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); 2409 2410 /* list if it's old/new */ 2411 if ((!cb->cb_newer && version < ZPL_VERSION) || 2412 (cb->cb_newer && version > ZPL_VERSION)) { 2413 char *str; 2414 if (cb->cb_newer) { 2415 str = gettext("The following filesystems are " 2416 "formatted using a newer software version and\n" 2417 "cannot be accessed on the current system.\n\n"); 2418 } else { 2419 str = gettext("The following filesystems are " 2420 "out of date, and can be upgraded. After being\n" 2421 "upgraded, these filesystems (and any 'zfs send' " 2422 "streams generated from\n" 2423 "subsequent snapshots) will no longer be " 2424 "accessible by older software versions.\n\n"); 2425 } 2426 2427 if (!cb->cb_foundone) { 2428 (void) puts(str); 2429 (void) printf(gettext("VER FILESYSTEM\n")); 2430 (void) printf(gettext("--- ------------\n")); 2431 cb->cb_foundone = B_TRUE; 2432 } 2433 2434 (void) printf("%2u %s\n", version, zfs_get_name(zhp)); 2435 } 2436 2437 return (0); 2438 } 2439 2440 static int 2441 upgrade_set_callback(zfs_handle_t *zhp, void *data) 2442 { 2443 upgrade_cbdata_t *cb = data; 2444 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); 2445 int needed_spa_version; 2446 int spa_version; 2447 2448 if (zfs_spa_version(zhp, &spa_version) < 0) 2449 return (-1); 2450 2451 needed_spa_version = zfs_spa_version_map(cb->cb_version); 2452 2453 if (needed_spa_version < 0) 2454 return (-1); 2455 2456 if (spa_version < needed_spa_version) { 2457 /* can't upgrade */ 2458 (void) printf(gettext("%s: can not be " 2459 "upgraded; the pool version needs to first " 2460 "be upgraded\nto version %d\n\n"), 2461 zfs_get_name(zhp), needed_spa_version); 2462 cb->cb_numfailed++; 2463 return (0); 2464 } 2465 2466 /* upgrade */ 2467 if (version < cb->cb_version) { 2468 char verstr[24]; 2469 (void) snprintf(verstr, sizeof (verstr), 2470 "%llu", (u_longlong_t)cb->cb_version); 2471 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) { 2472 /* 2473 * If they did "zfs upgrade -a", then we could 2474 * be doing ioctls to different pools. We need 2475 * to log this history once to each pool, and bypass 2476 * the normal history logging that happens in main(). 2477 */ 2478 (void) zpool_log_history(g_zfs, history_str); 2479 log_history = B_FALSE; 2480 } 2481 if (zfs_prop_set(zhp, "version", verstr) == 0) 2482 cb->cb_numupgraded++; 2483 else 2484 cb->cb_numfailed++; 2485 (void) strlcpy(cb->cb_lastfs, zfs_get_name(zhp), 2486 sizeof (cb->cb_lastfs)); 2487 } else if (version > cb->cb_version) { 2488 /* can't downgrade */ 2489 (void) printf(gettext("%s: can not be downgraded; " 2490 "it is already at version %u\n"), 2491 zfs_get_name(zhp), version); 2492 cb->cb_numfailed++; 2493 } else { 2494 cb->cb_numsamegraded++; 2495 } 2496 return (0); 2497 } 2498 2499 /* 2500 * zfs upgrade 2501 * zfs upgrade -v 2502 * zfs upgrade [-r] [-V <version>] <-a | filesystem> 2503 */ 2504 static int 2505 zfs_do_upgrade(int argc, char **argv) 2506 { 2507 boolean_t all = B_FALSE; 2508 boolean_t showversions = B_FALSE; 2509 int ret = 0; 2510 upgrade_cbdata_t cb = { 0 }; 2511 int c; 2512 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS; 2513 2514 /* check options */ 2515 while ((c = getopt(argc, argv, "rvV:a")) != -1) { 2516 switch (c) { 2517 case 'r': 2518 flags |= ZFS_ITER_RECURSE; 2519 break; 2520 case 'v': 2521 showversions = B_TRUE; 2522 break; 2523 case 'V': 2524 if (zfs_prop_string_to_index(ZFS_PROP_VERSION, 2525 optarg, &cb.cb_version) != 0) { 2526 (void) fprintf(stderr, 2527 gettext("invalid version %s\n"), optarg); 2528 usage(B_FALSE); 2529 } 2530 break; 2531 case 'a': 2532 all = B_TRUE; 2533 break; 2534 case '?': 2535 default: 2536 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2537 optopt); 2538 usage(B_FALSE); 2539 } 2540 } 2541 2542 argc -= optind; 2543 argv += optind; 2544 2545 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version)) 2546 usage(B_FALSE); 2547 if (showversions && (flags & ZFS_ITER_RECURSE || all || 2548 cb.cb_version || argc)) 2549 usage(B_FALSE); 2550 if ((all || argc) && (showversions)) 2551 usage(B_FALSE); 2552 if (all && argc) 2553 usage(B_FALSE); 2554 2555 if (showversions) { 2556 /* Show info on available versions. */ 2557 (void) printf(gettext("The following filesystem versions are " 2558 "supported:\n\n")); 2559 (void) printf(gettext("VER DESCRIPTION\n")); 2560 (void) printf("--- -----------------------------------------" 2561 "---------------\n"); 2562 (void) printf(gettext(" 1 Initial ZFS filesystem version\n")); 2563 (void) printf(gettext(" 2 Enhanced directory entries\n")); 2564 (void) printf(gettext(" 3 Case insensitive and filesystem " 2565 "user identifier (FUID)\n")); 2566 (void) printf(gettext(" 4 userquota, groupquota " 2567 "properties\n")); 2568 (void) printf(gettext(" 5 System attributes\n")); 2569 (void) printf(gettext("\nFor more information on a particular " 2570 "version, including supported releases,\n")); 2571 (void) printf("see the ZFS Administration Guide.\n\n"); 2572 ret = 0; 2573 } else if (argc || all) { 2574 /* Upgrade filesystems */ 2575 if (cb.cb_version == 0) 2576 cb.cb_version = ZPL_VERSION; 2577 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM, 2578 NULL, NULL, 0, upgrade_set_callback, &cb); 2579 (void) printf(gettext("%llu filesystems upgraded\n"), 2580 (u_longlong_t)cb.cb_numupgraded); 2581 if (cb.cb_numsamegraded) { 2582 (void) printf(gettext("%llu filesystems already at " 2583 "this version\n"), 2584 (u_longlong_t)cb.cb_numsamegraded); 2585 } 2586 if (cb.cb_numfailed != 0) 2587 ret = 1; 2588 } else { 2589 /* List old-version filesystems */ 2590 boolean_t found; 2591 (void) printf(gettext("This system is currently running " 2592 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION); 2593 2594 flags |= ZFS_ITER_RECURSE; 2595 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, 2596 NULL, NULL, 0, upgrade_list_callback, &cb); 2597 2598 found = cb.cb_foundone; 2599 cb.cb_foundone = B_FALSE; 2600 cb.cb_newer = B_TRUE; 2601 2602 ret |= zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, 2603 NULL, NULL, 0, upgrade_list_callback, &cb); 2604 2605 if (!cb.cb_foundone && !found) { 2606 (void) printf(gettext("All filesystems are " 2607 "formatted with the current version.\n")); 2608 } 2609 } 2610 2611 return (ret); 2612 } 2613 2614 /* 2615 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...] 2616 * [-S field [-S field]...] [-t type[,...]] 2617 * filesystem | snapshot | path 2618 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...] 2619 * [-S field [-S field]...] [-t type[,...]] 2620 * filesystem | snapshot | path 2621 * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...] 2622 * [-S field [-S field]...] filesystem | snapshot | path 2623 * 2624 * -H Scripted mode; elide headers and separate columns by tabs. 2625 * -i Translate SID to POSIX ID. 2626 * -n Print numeric ID instead of user/group name. 2627 * -o Control which fields to display. 2628 * -p Use exact (parsable) numeric output. 2629 * -s Specify sort columns, descending order. 2630 * -S Specify sort columns, ascending order. 2631 * -t Control which object types to display. 2632 * 2633 * Displays space consumed by, and quotas on, each user in the specified 2634 * filesystem or snapshot. 2635 */ 2636 2637 /* us_field_types, us_field_hdr and us_field_names should be kept in sync */ 2638 enum us_field_types { 2639 USFIELD_TYPE, 2640 USFIELD_NAME, 2641 USFIELD_USED, 2642 USFIELD_QUOTA, 2643 USFIELD_OBJUSED, 2644 USFIELD_OBJQUOTA 2645 }; 2646 static const char *const us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA", 2647 "OBJUSED", "OBJQUOTA" }; 2648 static const char *const us_field_names[] = { "type", "name", "used", "quota", 2649 "objused", "objquota" }; 2650 #define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *)) 2651 2652 #define USTYPE_PSX_GRP (1 << 0) 2653 #define USTYPE_PSX_USR (1 << 1) 2654 #define USTYPE_SMB_GRP (1 << 2) 2655 #define USTYPE_SMB_USR (1 << 3) 2656 #define USTYPE_PROJ (1 << 4) 2657 #define USTYPE_ALL \ 2658 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \ 2659 USTYPE_PROJ) 2660 2661 static int us_type_bits[] = { 2662 USTYPE_PSX_GRP, 2663 USTYPE_PSX_USR, 2664 USTYPE_SMB_GRP, 2665 USTYPE_SMB_USR, 2666 USTYPE_ALL 2667 }; 2668 static const char *const us_type_names[] = { "posixgroup", "posixuser", 2669 "smbgroup", "smbuser", "all" }; 2670 2671 typedef struct us_node { 2672 nvlist_t *usn_nvl; 2673 uu_avl_node_t usn_avlnode; 2674 uu_list_node_t usn_listnode; 2675 } us_node_t; 2676 2677 typedef struct us_cbdata { 2678 nvlist_t **cb_nvlp; 2679 uu_avl_pool_t *cb_avl_pool; 2680 uu_avl_t *cb_avl; 2681 boolean_t cb_numname; 2682 boolean_t cb_nicenum; 2683 boolean_t cb_sid2posix; 2684 zfs_userquota_prop_t cb_prop; 2685 zfs_sort_column_t *cb_sortcol; 2686 size_t cb_width[USFIELD_LAST]; 2687 } us_cbdata_t; 2688 2689 static boolean_t us_populated = B_FALSE; 2690 2691 typedef struct { 2692 zfs_sort_column_t *si_sortcol; 2693 boolean_t si_numname; 2694 } us_sort_info_t; 2695 2696 static int 2697 us_field_index(const char *field) 2698 { 2699 for (int i = 0; i < USFIELD_LAST; i++) { 2700 if (strcmp(field, us_field_names[i]) == 0) 2701 return (i); 2702 } 2703 2704 return (-1); 2705 } 2706 2707 static int 2708 us_compare(const void *larg, const void *rarg, void *unused) 2709 { 2710 const us_node_t *l = larg; 2711 const us_node_t *r = rarg; 2712 us_sort_info_t *si = (us_sort_info_t *)unused; 2713 zfs_sort_column_t *sortcol = si->si_sortcol; 2714 boolean_t numname = si->si_numname; 2715 nvlist_t *lnvl = l->usn_nvl; 2716 nvlist_t *rnvl = r->usn_nvl; 2717 int rc = 0; 2718 boolean_t lvb, rvb; 2719 2720 for (; sortcol != NULL; sortcol = sortcol->sc_next) { 2721 const char *lvstr = ""; 2722 const char *rvstr = ""; 2723 uint32_t lv32 = 0; 2724 uint32_t rv32 = 0; 2725 uint64_t lv64 = 0; 2726 uint64_t rv64 = 0; 2727 zfs_prop_t prop = sortcol->sc_prop; 2728 const char *propname = NULL; 2729 boolean_t reverse = sortcol->sc_reverse; 2730 2731 switch (prop) { 2732 case ZFS_PROP_TYPE: 2733 propname = "type"; 2734 (void) nvlist_lookup_uint32(lnvl, propname, &lv32); 2735 (void) nvlist_lookup_uint32(rnvl, propname, &rv32); 2736 if (rv32 != lv32) 2737 rc = (rv32 < lv32) ? 1 : -1; 2738 break; 2739 case ZFS_PROP_NAME: 2740 propname = "name"; 2741 if (numname) { 2742 compare_nums: 2743 (void) nvlist_lookup_uint64(lnvl, propname, 2744 &lv64); 2745 (void) nvlist_lookup_uint64(rnvl, propname, 2746 &rv64); 2747 if (rv64 != lv64) 2748 rc = (rv64 < lv64) ? 1 : -1; 2749 } else { 2750 if ((nvlist_lookup_string(lnvl, propname, 2751 &lvstr) == ENOENT) || 2752 (nvlist_lookup_string(rnvl, propname, 2753 &rvstr) == ENOENT)) { 2754 goto compare_nums; 2755 } 2756 rc = strcmp(lvstr, rvstr); 2757 } 2758 break; 2759 case ZFS_PROP_USED: 2760 case ZFS_PROP_QUOTA: 2761 if (!us_populated) 2762 break; 2763 if (prop == ZFS_PROP_USED) 2764 propname = "used"; 2765 else 2766 propname = "quota"; 2767 (void) nvlist_lookup_uint64(lnvl, propname, &lv64); 2768 (void) nvlist_lookup_uint64(rnvl, propname, &rv64); 2769 if (rv64 != lv64) 2770 rc = (rv64 < lv64) ? 1 : -1; 2771 break; 2772 2773 default: 2774 break; 2775 } 2776 2777 if (rc != 0) { 2778 if (rc < 0) 2779 return (reverse ? 1 : -1); 2780 else 2781 return (reverse ? -1 : 1); 2782 } 2783 } 2784 2785 /* 2786 * If entries still seem to be the same, check if they are of the same 2787 * type (smbentity is added only if we are doing SID to POSIX ID 2788 * translation where we can have duplicate type/name combinations). 2789 */ 2790 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 && 2791 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 && 2792 lvb != rvb) 2793 return (lvb < rvb ? -1 : 1); 2794 2795 return (0); 2796 } 2797 2798 static boolean_t 2799 zfs_prop_is_user(unsigned p) 2800 { 2801 return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA || 2802 p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA); 2803 } 2804 2805 static boolean_t 2806 zfs_prop_is_group(unsigned p) 2807 { 2808 return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA || 2809 p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA); 2810 } 2811 2812 static boolean_t 2813 zfs_prop_is_project(unsigned p) 2814 { 2815 return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA || 2816 p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA); 2817 } 2818 2819 static inline const char * 2820 us_type2str(unsigned field_type) 2821 { 2822 switch (field_type) { 2823 case USTYPE_PSX_USR: 2824 return ("POSIX User"); 2825 case USTYPE_PSX_GRP: 2826 return ("POSIX Group"); 2827 case USTYPE_SMB_USR: 2828 return ("SMB User"); 2829 case USTYPE_SMB_GRP: 2830 return ("SMB Group"); 2831 case USTYPE_PROJ: 2832 return ("Project"); 2833 default: 2834 return ("Undefined"); 2835 } 2836 } 2837 2838 static int 2839 userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space) 2840 { 2841 us_cbdata_t *cb = (us_cbdata_t *)arg; 2842 zfs_userquota_prop_t prop = cb->cb_prop; 2843 char *name = NULL; 2844 const char *propname; 2845 char sizebuf[32]; 2846 us_node_t *node; 2847 uu_avl_pool_t *avl_pool = cb->cb_avl_pool; 2848 uu_avl_t *avl = cb->cb_avl; 2849 uu_avl_index_t idx; 2850 nvlist_t *props; 2851 us_node_t *n; 2852 zfs_sort_column_t *sortcol = cb->cb_sortcol; 2853 unsigned type = 0; 2854 const char *typestr; 2855 size_t namelen; 2856 size_t typelen; 2857 size_t sizelen; 2858 int typeidx, nameidx, sizeidx; 2859 us_sort_info_t sortinfo = { sortcol, cb->cb_numname }; 2860 boolean_t smbentity = B_FALSE; 2861 2862 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 2863 nomem(); 2864 node = safe_malloc(sizeof (us_node_t)); 2865 uu_avl_node_init(node, &node->usn_avlnode, avl_pool); 2866 node->usn_nvl = props; 2867 2868 if (domain != NULL && domain[0] != '\0') { 2869 #ifdef HAVE_IDMAP 2870 /* SMB */ 2871 char sid[MAXNAMELEN + 32]; 2872 uid_t id; 2873 uint64_t classes; 2874 int err; 2875 directory_error_t e; 2876 2877 smbentity = B_TRUE; 2878 2879 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid); 2880 2881 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) { 2882 type = USTYPE_SMB_GRP; 2883 err = sid_to_id(sid, B_FALSE, &id); 2884 } else { 2885 type = USTYPE_SMB_USR; 2886 err = sid_to_id(sid, B_TRUE, &id); 2887 } 2888 2889 if (err == 0) { 2890 rid = id; 2891 if (!cb->cb_sid2posix) { 2892 e = directory_name_from_sid(NULL, sid, &name, 2893 &classes); 2894 if (e != NULL) 2895 directory_error_free(e); 2896 if (name == NULL) 2897 name = sid; 2898 } 2899 } 2900 #else 2901 nvlist_free(props); 2902 free(node); 2903 2904 return (-1); 2905 #endif /* HAVE_IDMAP */ 2906 } 2907 2908 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') { 2909 /* POSIX or -i */ 2910 if (zfs_prop_is_group(prop)) { 2911 type = USTYPE_PSX_GRP; 2912 if (!cb->cb_numname) { 2913 struct group *g; 2914 2915 if ((g = getgrgid(rid)) != NULL) 2916 name = g->gr_name; 2917 } 2918 } else if (zfs_prop_is_user(prop)) { 2919 type = USTYPE_PSX_USR; 2920 if (!cb->cb_numname) { 2921 struct passwd *p; 2922 2923 if ((p = getpwuid(rid)) != NULL) 2924 name = p->pw_name; 2925 } 2926 } else { 2927 type = USTYPE_PROJ; 2928 } 2929 } 2930 2931 /* 2932 * Make sure that the type/name combination is unique when doing 2933 * SID to POSIX ID translation (hence changing the type from SMB to 2934 * POSIX). 2935 */ 2936 if (cb->cb_sid2posix && 2937 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0) 2938 nomem(); 2939 2940 /* Calculate/update width of TYPE field */ 2941 typestr = us_type2str(type); 2942 typelen = strlen(gettext(typestr)); 2943 typeidx = us_field_index("type"); 2944 if (typelen > cb->cb_width[typeidx]) 2945 cb->cb_width[typeidx] = typelen; 2946 if (nvlist_add_uint32(props, "type", type) != 0) 2947 nomem(); 2948 2949 /* Calculate/update width of NAME field */ 2950 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) { 2951 if (nvlist_add_uint64(props, "name", rid) != 0) 2952 nomem(); 2953 namelen = snprintf(NULL, 0, "%u", rid); 2954 } else { 2955 if (nvlist_add_string(props, "name", name) != 0) 2956 nomem(); 2957 namelen = strlen(name); 2958 } 2959 nameidx = us_field_index("name"); 2960 if (nameidx >= 0 && namelen > cb->cb_width[nameidx]) 2961 cb->cb_width[nameidx] = namelen; 2962 2963 /* 2964 * Check if this type/name combination is in the list and update it; 2965 * otherwise add new node to the list. 2966 */ 2967 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) { 2968 uu_avl_insert(avl, node, idx); 2969 } else { 2970 nvlist_free(props); 2971 free(node); 2972 node = n; 2973 props = node->usn_nvl; 2974 } 2975 2976 /* Calculate/update width of USED/QUOTA fields */ 2977 if (cb->cb_nicenum) { 2978 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED || 2979 prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA || 2980 prop == ZFS_PROP_PROJECTUSED || 2981 prop == ZFS_PROP_PROJECTQUOTA) { 2982 zfs_nicebytes(space, sizebuf, sizeof (sizebuf)); 2983 } else { 2984 zfs_nicenum(space, sizebuf, sizeof (sizebuf)); 2985 } 2986 } else { 2987 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu", 2988 (u_longlong_t)space); 2989 } 2990 sizelen = strlen(sizebuf); 2991 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED || 2992 prop == ZFS_PROP_PROJECTUSED) { 2993 propname = "used"; 2994 if (!nvlist_exists(props, "quota")) 2995 (void) nvlist_add_uint64(props, "quota", 0); 2996 } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA || 2997 prop == ZFS_PROP_PROJECTQUOTA) { 2998 propname = "quota"; 2999 if (!nvlist_exists(props, "used")) 3000 (void) nvlist_add_uint64(props, "used", 0); 3001 } else if (prop == ZFS_PROP_USEROBJUSED || 3002 prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) { 3003 propname = "objused"; 3004 if (!nvlist_exists(props, "objquota")) 3005 (void) nvlist_add_uint64(props, "objquota", 0); 3006 } else if (prop == ZFS_PROP_USEROBJQUOTA || 3007 prop == ZFS_PROP_GROUPOBJQUOTA || 3008 prop == ZFS_PROP_PROJECTOBJQUOTA) { 3009 propname = "objquota"; 3010 if (!nvlist_exists(props, "objused")) 3011 (void) nvlist_add_uint64(props, "objused", 0); 3012 } else { 3013 return (-1); 3014 } 3015 sizeidx = us_field_index(propname); 3016 if (sizeidx >= 0 && sizelen > cb->cb_width[sizeidx]) 3017 cb->cb_width[sizeidx] = sizelen; 3018 3019 if (nvlist_add_uint64(props, propname, space) != 0) 3020 nomem(); 3021 3022 return (0); 3023 } 3024 3025 static void 3026 print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types, 3027 size_t *width, us_node_t *node) 3028 { 3029 nvlist_t *nvl = node->usn_nvl; 3030 char valstr[MAXNAMELEN]; 3031 boolean_t first = B_TRUE; 3032 int cfield = 0; 3033 int field; 3034 uint32_t ustype; 3035 3036 /* Check type */ 3037 (void) nvlist_lookup_uint32(nvl, "type", &ustype); 3038 if (!(ustype & types)) 3039 return; 3040 3041 while ((field = fields[cfield]) != USFIELD_LAST) { 3042 nvpair_t *nvp = NULL; 3043 data_type_t type; 3044 uint32_t val32 = -1; 3045 uint64_t val64 = -1; 3046 const char *strval = "-"; 3047 3048 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) 3049 if (strcmp(nvpair_name(nvp), 3050 us_field_names[field]) == 0) 3051 break; 3052 3053 type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp); 3054 switch (type) { 3055 case DATA_TYPE_UINT32: 3056 val32 = fnvpair_value_uint32(nvp); 3057 break; 3058 case DATA_TYPE_UINT64: 3059 val64 = fnvpair_value_uint64(nvp); 3060 break; 3061 case DATA_TYPE_STRING: 3062 strval = fnvpair_value_string(nvp); 3063 break; 3064 case DATA_TYPE_UNKNOWN: 3065 break; 3066 default: 3067 (void) fprintf(stderr, "invalid data type\n"); 3068 } 3069 3070 switch (field) { 3071 case USFIELD_TYPE: 3072 if (type == DATA_TYPE_UINT32) 3073 strval = us_type2str(val32); 3074 break; 3075 case USFIELD_NAME: 3076 if (type == DATA_TYPE_UINT64) { 3077 (void) sprintf(valstr, "%llu", 3078 (u_longlong_t)val64); 3079 strval = valstr; 3080 } 3081 break; 3082 case USFIELD_USED: 3083 case USFIELD_QUOTA: 3084 if (type == DATA_TYPE_UINT64) { 3085 if (parsable) { 3086 (void) sprintf(valstr, "%llu", 3087 (u_longlong_t)val64); 3088 strval = valstr; 3089 } else if (field == USFIELD_QUOTA && 3090 val64 == 0) { 3091 strval = "none"; 3092 } else { 3093 zfs_nicebytes(val64, valstr, 3094 sizeof (valstr)); 3095 strval = valstr; 3096 } 3097 } 3098 break; 3099 case USFIELD_OBJUSED: 3100 case USFIELD_OBJQUOTA: 3101 if (type == DATA_TYPE_UINT64) { 3102 if (parsable) { 3103 (void) sprintf(valstr, "%llu", 3104 (u_longlong_t)val64); 3105 strval = valstr; 3106 } else if (field == USFIELD_OBJQUOTA && 3107 val64 == 0) { 3108 strval = "none"; 3109 } else { 3110 zfs_nicenum(val64, valstr, 3111 sizeof (valstr)); 3112 strval = valstr; 3113 } 3114 } 3115 break; 3116 } 3117 3118 if (!first) { 3119 if (scripted) 3120 (void) putchar('\t'); 3121 else 3122 (void) fputs(" ", stdout); 3123 } 3124 if (scripted) 3125 (void) fputs(strval, stdout); 3126 else if (field == USFIELD_TYPE || field == USFIELD_NAME) 3127 (void) printf("%-*s", (int)width[field], strval); 3128 else 3129 (void) printf("%*s", (int)width[field], strval); 3130 3131 first = B_FALSE; 3132 cfield++; 3133 } 3134 3135 (void) putchar('\n'); 3136 } 3137 3138 static void 3139 print_us(boolean_t scripted, boolean_t parsable, int *fields, int types, 3140 size_t *width, boolean_t rmnode, uu_avl_t *avl) 3141 { 3142 us_node_t *node; 3143 const char *col; 3144 int cfield = 0; 3145 int field; 3146 3147 if (!scripted) { 3148 boolean_t first = B_TRUE; 3149 3150 while ((field = fields[cfield]) != USFIELD_LAST) { 3151 col = gettext(us_field_hdr[field]); 3152 if (field == USFIELD_TYPE || field == USFIELD_NAME) { 3153 (void) printf(first ? "%-*s" : " %-*s", 3154 (int)width[field], col); 3155 } else { 3156 (void) printf(first ? "%*s" : " %*s", 3157 (int)width[field], col); 3158 } 3159 first = B_FALSE; 3160 cfield++; 3161 } 3162 (void) printf("\n"); 3163 } 3164 3165 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) { 3166 print_us_node(scripted, parsable, fields, types, width, node); 3167 if (rmnode) 3168 nvlist_free(node->usn_nvl); 3169 } 3170 } 3171 3172 static int 3173 zfs_do_userspace(int argc, char **argv) 3174 { 3175 zfs_handle_t *zhp; 3176 zfs_userquota_prop_t p; 3177 uu_avl_pool_t *avl_pool; 3178 uu_avl_t *avl_tree; 3179 uu_avl_walk_t *walk; 3180 char *delim; 3181 char deffields[] = "type,name,used,quota,objused,objquota"; 3182 char *ofield = NULL; 3183 char *tfield = NULL; 3184 int cfield = 0; 3185 int fields[256]; 3186 int i; 3187 boolean_t scripted = B_FALSE; 3188 boolean_t prtnum = B_FALSE; 3189 boolean_t parsable = B_FALSE; 3190 boolean_t sid2posix = B_FALSE; 3191 int ret = 0; 3192 int c; 3193 zfs_sort_column_t *sortcol = NULL; 3194 int types = USTYPE_PSX_USR | USTYPE_SMB_USR; 3195 us_cbdata_t cb; 3196 us_node_t *node; 3197 us_node_t *rmnode; 3198 uu_list_pool_t *listpool; 3199 uu_list_t *list; 3200 uu_avl_index_t idx = 0; 3201 uu_list_index_t idx2 = 0; 3202 3203 if (argc < 2) 3204 usage(B_FALSE); 3205 3206 if (strcmp(argv[0], "groupspace") == 0) { 3207 /* Toggle default group types */ 3208 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP; 3209 } else if (strcmp(argv[0], "projectspace") == 0) { 3210 types = USTYPE_PROJ; 3211 prtnum = B_TRUE; 3212 } 3213 3214 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) { 3215 switch (c) { 3216 case 'n': 3217 if (types == USTYPE_PROJ) { 3218 (void) fprintf(stderr, 3219 gettext("invalid option 'n'\n")); 3220 usage(B_FALSE); 3221 } 3222 prtnum = B_TRUE; 3223 break; 3224 case 'H': 3225 scripted = B_TRUE; 3226 break; 3227 case 'p': 3228 parsable = B_TRUE; 3229 break; 3230 case 'o': 3231 ofield = optarg; 3232 break; 3233 case 's': 3234 case 'S': 3235 if (zfs_add_sort_column(&sortcol, optarg, 3236 c == 's' ? B_FALSE : B_TRUE) != 0) { 3237 (void) fprintf(stderr, 3238 gettext("invalid field '%s'\n"), optarg); 3239 usage(B_FALSE); 3240 } 3241 break; 3242 case 't': 3243 if (types == USTYPE_PROJ) { 3244 (void) fprintf(stderr, 3245 gettext("invalid option 't'\n")); 3246 usage(B_FALSE); 3247 } 3248 tfield = optarg; 3249 break; 3250 case 'i': 3251 if (types == USTYPE_PROJ) { 3252 (void) fprintf(stderr, 3253 gettext("invalid option 'i'\n")); 3254 usage(B_FALSE); 3255 } 3256 sid2posix = B_TRUE; 3257 break; 3258 case ':': 3259 (void) fprintf(stderr, gettext("missing argument for " 3260 "'%c' option\n"), optopt); 3261 usage(B_FALSE); 3262 break; 3263 case '?': 3264 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3265 optopt); 3266 usage(B_FALSE); 3267 } 3268 } 3269 3270 argc -= optind; 3271 argv += optind; 3272 3273 if (argc < 1) { 3274 (void) fprintf(stderr, gettext("missing dataset name\n")); 3275 usage(B_FALSE); 3276 } 3277 if (argc > 1) { 3278 (void) fprintf(stderr, gettext("too many arguments\n")); 3279 usage(B_FALSE); 3280 } 3281 3282 /* Use default output fields if not specified using -o */ 3283 if (ofield == NULL) 3284 ofield = deffields; 3285 do { 3286 if ((delim = strchr(ofield, ',')) != NULL) 3287 *delim = '\0'; 3288 if ((fields[cfield++] = us_field_index(ofield)) == -1) { 3289 (void) fprintf(stderr, gettext("invalid type '%s' " 3290 "for -o option\n"), ofield); 3291 return (-1); 3292 } 3293 if (delim != NULL) 3294 ofield = delim + 1; 3295 } while (delim != NULL); 3296 fields[cfield] = USFIELD_LAST; 3297 3298 /* Override output types (-t option) */ 3299 if (tfield != NULL) { 3300 types = 0; 3301 3302 do { 3303 boolean_t found = B_FALSE; 3304 3305 if ((delim = strchr(tfield, ',')) != NULL) 3306 *delim = '\0'; 3307 for (i = 0; i < sizeof (us_type_bits) / sizeof (int); 3308 i++) { 3309 if (strcmp(tfield, us_type_names[i]) == 0) { 3310 found = B_TRUE; 3311 types |= us_type_bits[i]; 3312 break; 3313 } 3314 } 3315 if (!found) { 3316 (void) fprintf(stderr, gettext("invalid type " 3317 "'%s' for -t option\n"), tfield); 3318 return (-1); 3319 } 3320 if (delim != NULL) 3321 tfield = delim + 1; 3322 } while (delim != NULL); 3323 } 3324 3325 if ((zhp = zfs_path_to_zhandle(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | 3326 ZFS_TYPE_SNAPSHOT)) == NULL) 3327 return (1); 3328 if (zfs_get_underlying_type(zhp) != ZFS_TYPE_FILESYSTEM) { 3329 (void) fprintf(stderr, gettext("operation is only applicable " 3330 "to filesystems and their snapshots\n")); 3331 zfs_close(zhp); 3332 return (1); 3333 } 3334 3335 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t), 3336 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL) 3337 nomem(); 3338 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL) 3339 nomem(); 3340 3341 /* Always add default sorting columns */ 3342 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE); 3343 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE); 3344 3345 cb.cb_sortcol = sortcol; 3346 cb.cb_numname = prtnum; 3347 cb.cb_nicenum = !parsable; 3348 cb.cb_avl_pool = avl_pool; 3349 cb.cb_avl = avl_tree; 3350 cb.cb_sid2posix = sid2posix; 3351 3352 for (i = 0; i < USFIELD_LAST; i++) 3353 cb.cb_width[i] = strlen(gettext(us_field_hdr[i])); 3354 3355 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) { 3356 if ((zfs_prop_is_user(p) && 3357 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) || 3358 (zfs_prop_is_group(p) && 3359 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) || 3360 (zfs_prop_is_project(p) && types != USTYPE_PROJ)) 3361 continue; 3362 3363 cb.cb_prop = p; 3364 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) { 3365 zfs_close(zhp); 3366 return (ret); 3367 } 3368 } 3369 zfs_close(zhp); 3370 3371 /* Sort the list */ 3372 if ((node = uu_avl_first(avl_tree)) == NULL) 3373 return (0); 3374 3375 us_populated = B_TRUE; 3376 3377 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t), 3378 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT); 3379 list = uu_list_create(listpool, NULL, UU_DEFAULT); 3380 uu_list_node_init(node, &node->usn_listnode, listpool); 3381 3382 while (node != NULL) { 3383 rmnode = node; 3384 node = uu_avl_next(avl_tree, node); 3385 uu_avl_remove(avl_tree, rmnode); 3386 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL) 3387 uu_list_insert(list, rmnode, idx2); 3388 } 3389 3390 for (node = uu_list_first(list); node != NULL; 3391 node = uu_list_next(list, node)) { 3392 us_sort_info_t sortinfo = { sortcol, cb.cb_numname }; 3393 3394 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL) 3395 uu_avl_insert(avl_tree, node, idx); 3396 } 3397 3398 uu_list_destroy(list); 3399 uu_list_pool_destroy(listpool); 3400 3401 /* Print and free node nvlist memory */ 3402 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE, 3403 cb.cb_avl); 3404 3405 zfs_free_sort_columns(sortcol); 3406 3407 /* Clean up the AVL tree */ 3408 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL) 3409 nomem(); 3410 3411 while ((node = uu_avl_walk_next(walk)) != NULL) { 3412 uu_avl_remove(cb.cb_avl, node); 3413 free(node); 3414 } 3415 3416 uu_avl_walk_end(walk); 3417 uu_avl_destroy(avl_tree); 3418 uu_avl_pool_destroy(avl_pool); 3419 3420 return (ret); 3421 } 3422 3423 /* 3424 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property] 3425 * [-t type[,...]] [filesystem|volume|snapshot] ... 3426 * 3427 * -H Scripted mode; elide headers and separate columns by tabs 3428 * -p Display values in parsable (literal) format. 3429 * -r Recurse over all children 3430 * -d Limit recursion by depth. 3431 * -o Control which fields to display. 3432 * -s Specify sort columns, descending order. 3433 * -S Specify sort columns, ascending order. 3434 * -t Control which object types to display. 3435 * 3436 * When given no arguments, list all filesystems in the system. 3437 * Otherwise, list the specified datasets, optionally recursing down them if 3438 * '-r' is specified. 3439 */ 3440 typedef struct list_cbdata { 3441 boolean_t cb_first; 3442 boolean_t cb_literal; 3443 boolean_t cb_scripted; 3444 zprop_list_t *cb_proplist; 3445 } list_cbdata_t; 3446 3447 /* 3448 * Given a list of columns to display, output appropriate headers for each one. 3449 */ 3450 static void 3451 print_header(list_cbdata_t *cb) 3452 { 3453 zprop_list_t *pl = cb->cb_proplist; 3454 char headerbuf[ZFS_MAXPROPLEN]; 3455 const char *header; 3456 int i; 3457 boolean_t first = B_TRUE; 3458 boolean_t right_justify; 3459 3460 color_start(ANSI_BOLD); 3461 3462 for (; pl != NULL; pl = pl->pl_next) { 3463 if (!first) { 3464 (void) printf(" "); 3465 } else { 3466 first = B_FALSE; 3467 } 3468 3469 right_justify = B_FALSE; 3470 if (pl->pl_prop != ZPROP_USERPROP) { 3471 header = zfs_prop_column_name(pl->pl_prop); 3472 right_justify = zfs_prop_align_right(pl->pl_prop); 3473 } else { 3474 for (i = 0; pl->pl_user_prop[i] != '\0'; i++) 3475 headerbuf[i] = toupper(pl->pl_user_prop[i]); 3476 headerbuf[i] = '\0'; 3477 header = headerbuf; 3478 } 3479 3480 if (pl->pl_next == NULL && !right_justify) 3481 (void) printf("%s", header); 3482 else if (right_justify) 3483 (void) printf("%*s", (int)pl->pl_width, header); 3484 else 3485 (void) printf("%-*s", (int)pl->pl_width, header); 3486 } 3487 3488 color_end(); 3489 3490 (void) printf("\n"); 3491 } 3492 3493 /* 3494 * Decides on the color that the avail value should be printed in. 3495 * > 80% used = yellow 3496 * > 90% used = red 3497 */ 3498 static const char * 3499 zfs_list_avail_color(zfs_handle_t *zhp) 3500 { 3501 uint64_t used = zfs_prop_get_int(zhp, ZFS_PROP_USED); 3502 uint64_t avail = zfs_prop_get_int(zhp, ZFS_PROP_AVAILABLE); 3503 int percentage = (int)((double)avail / MAX(avail + used, 1) * 100); 3504 3505 if (percentage > 20) 3506 return (NULL); 3507 else if (percentage > 10) 3508 return (ANSI_YELLOW); 3509 else 3510 return (ANSI_RED); 3511 } 3512 3513 /* 3514 * Given a dataset and a list of fields, print out all the properties according 3515 * to the described layout. 3516 */ 3517 static void 3518 print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb) 3519 { 3520 zprop_list_t *pl = cb->cb_proplist; 3521 boolean_t first = B_TRUE; 3522 char property[ZFS_MAXPROPLEN]; 3523 nvlist_t *userprops = zfs_get_user_props(zhp); 3524 nvlist_t *propval; 3525 const char *propstr; 3526 boolean_t right_justify; 3527 3528 for (; pl != NULL; pl = pl->pl_next) { 3529 if (!first) { 3530 if (cb->cb_scripted) 3531 (void) putchar('\t'); 3532 else 3533 (void) fputs(" ", stdout); 3534 } else { 3535 first = B_FALSE; 3536 } 3537 3538 if (pl->pl_prop == ZFS_PROP_NAME) { 3539 (void) strlcpy(property, zfs_get_name(zhp), 3540 sizeof (property)); 3541 propstr = property; 3542 right_justify = zfs_prop_align_right(pl->pl_prop); 3543 } else if (pl->pl_prop != ZPROP_USERPROP) { 3544 if (zfs_prop_get(zhp, pl->pl_prop, property, 3545 sizeof (property), NULL, NULL, 0, 3546 cb->cb_literal) != 0) 3547 propstr = "-"; 3548 else 3549 propstr = property; 3550 right_justify = zfs_prop_align_right(pl->pl_prop); 3551 } else if (zfs_prop_userquota(pl->pl_user_prop)) { 3552 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, 3553 property, sizeof (property), cb->cb_literal) != 0) 3554 propstr = "-"; 3555 else 3556 propstr = property; 3557 right_justify = B_TRUE; 3558 } else if (zfs_prop_written(pl->pl_user_prop)) { 3559 if (zfs_prop_get_written(zhp, pl->pl_user_prop, 3560 property, sizeof (property), cb->cb_literal) != 0) 3561 propstr = "-"; 3562 else 3563 propstr = property; 3564 right_justify = B_TRUE; 3565 } else { 3566 if (nvlist_lookup_nvlist(userprops, 3567 pl->pl_user_prop, &propval) != 0) 3568 propstr = "-"; 3569 else 3570 propstr = fnvlist_lookup_string(propval, 3571 ZPROP_VALUE); 3572 right_justify = B_FALSE; 3573 } 3574 3575 /* 3576 * zfs_list_avail_color() needs ZFS_PROP_AVAILABLE + USED 3577 * - so we need another for() search for the USED part 3578 * - when no colors wanted, we can skip the whole thing 3579 */ 3580 if (use_color() && pl->pl_prop == ZFS_PROP_AVAILABLE) { 3581 zprop_list_t *pl2 = cb->cb_proplist; 3582 for (; pl2 != NULL; pl2 = pl2->pl_next) { 3583 if (pl2->pl_prop == ZFS_PROP_USED) { 3584 color_start(zfs_list_avail_color(zhp)); 3585 /* found it, no need for more loops */ 3586 break; 3587 } 3588 } 3589 } 3590 3591 /* 3592 * If this is being called in scripted mode, or if this is the 3593 * last column and it is left-justified, don't include a width 3594 * format specifier. 3595 */ 3596 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify)) 3597 (void) fputs(propstr, stdout); 3598 else if (right_justify) 3599 (void) printf("%*s", (int)pl->pl_width, propstr); 3600 else 3601 (void) printf("%-*s", (int)pl->pl_width, propstr); 3602 3603 if (pl->pl_prop == ZFS_PROP_AVAILABLE) 3604 color_end(); 3605 } 3606 3607 (void) putchar('\n'); 3608 } 3609 3610 /* 3611 * Generic callback function to list a dataset or snapshot. 3612 */ 3613 static int 3614 list_callback(zfs_handle_t *zhp, void *data) 3615 { 3616 list_cbdata_t *cbp = data; 3617 3618 if (cbp->cb_first) { 3619 if (!cbp->cb_scripted) 3620 print_header(cbp); 3621 cbp->cb_first = B_FALSE; 3622 } 3623 3624 print_dataset(zhp, cbp); 3625 3626 return (0); 3627 } 3628 3629 static int 3630 zfs_do_list(int argc, char **argv) 3631 { 3632 int c; 3633 char default_fields[] = 3634 "name,used,available,referenced,mountpoint"; 3635 int types = ZFS_TYPE_DATASET; 3636 boolean_t types_specified = B_FALSE; 3637 char *fields = default_fields; 3638 list_cbdata_t cb = { 0 }; 3639 int limit = 0; 3640 int ret = 0; 3641 zfs_sort_column_t *sortcol = NULL; 3642 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS; 3643 3644 /* check options */ 3645 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) { 3646 switch (c) { 3647 case 'o': 3648 fields = optarg; 3649 break; 3650 case 'p': 3651 cb.cb_literal = B_TRUE; 3652 flags |= ZFS_ITER_LITERAL_PROPS; 3653 break; 3654 case 'd': 3655 limit = parse_depth(optarg, &flags); 3656 break; 3657 case 'r': 3658 flags |= ZFS_ITER_RECURSE; 3659 break; 3660 case 'H': 3661 cb.cb_scripted = B_TRUE; 3662 break; 3663 case 's': 3664 if (zfs_add_sort_column(&sortcol, optarg, 3665 B_FALSE) != 0) { 3666 (void) fprintf(stderr, 3667 gettext("invalid property '%s'\n"), optarg); 3668 usage(B_FALSE); 3669 } 3670 break; 3671 case 'S': 3672 if (zfs_add_sort_column(&sortcol, optarg, 3673 B_TRUE) != 0) { 3674 (void) fprintf(stderr, 3675 gettext("invalid property '%s'\n"), optarg); 3676 usage(B_FALSE); 3677 } 3678 break; 3679 case 't': 3680 types = 0; 3681 types_specified = B_TRUE; 3682 flags &= ~ZFS_ITER_PROP_LISTSNAPS; 3683 3684 for (char *tok; (tok = strsep(&optarg, ",")); ) { 3685 static const char *const type_subopts[] = { 3686 "filesystem", 3687 "fs", 3688 "volume", 3689 "vol", 3690 "snapshot", 3691 "snap", 3692 "bookmark", 3693 "all" 3694 }; 3695 static const int type_types[] = { 3696 ZFS_TYPE_FILESYSTEM, 3697 ZFS_TYPE_FILESYSTEM, 3698 ZFS_TYPE_VOLUME, 3699 ZFS_TYPE_VOLUME, 3700 ZFS_TYPE_SNAPSHOT, 3701 ZFS_TYPE_SNAPSHOT, 3702 ZFS_TYPE_BOOKMARK, 3703 ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK 3704 }; 3705 3706 for (c = 0; c < ARRAY_SIZE(type_subopts); ++c) 3707 if (strcmp(tok, type_subopts[c]) == 0) { 3708 types |= type_types[c]; 3709 goto found3; 3710 } 3711 3712 (void) fprintf(stderr, 3713 gettext("invalid type '%s'\n"), tok); 3714 usage(B_FALSE); 3715 found3:; 3716 } 3717 break; 3718 case ':': 3719 (void) fprintf(stderr, gettext("missing argument for " 3720 "'%c' option\n"), optopt); 3721 usage(B_FALSE); 3722 break; 3723 case '?': 3724 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3725 optopt); 3726 usage(B_FALSE); 3727 } 3728 } 3729 3730 argc -= optind; 3731 argv += optind; 3732 3733 /* 3734 * If "-o space" and no types were specified, don't display snapshots. 3735 */ 3736 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE) 3737 types &= ~ZFS_TYPE_SNAPSHOT; 3738 3739 /* 3740 * Handle users who want to list all snapshots or bookmarks 3741 * of the current dataset (ex. 'zfs list -t snapshot <dataset>'). 3742 */ 3743 if ((types == ZFS_TYPE_SNAPSHOT || types == ZFS_TYPE_BOOKMARK) && 3744 argc > 0 && (flags & ZFS_ITER_RECURSE) == 0 && limit == 0) { 3745 flags |= (ZFS_ITER_DEPTH_LIMIT | ZFS_ITER_RECURSE); 3746 limit = 1; 3747 } 3748 3749 /* 3750 * If the user specifies '-o all', the zprop_get_list() doesn't 3751 * normally include the name of the dataset. For 'zfs list', we always 3752 * want this property to be first. 3753 */ 3754 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) 3755 != 0) 3756 usage(B_FALSE); 3757 3758 cb.cb_first = B_TRUE; 3759 3760 /* 3761 * If we are only going to list and sort by properties that are "fast" 3762 * then we can use "simple" mode and avoid populating the properties 3763 * nvlist. 3764 */ 3765 if (zfs_list_only_by_fast(cb.cb_proplist) && 3766 zfs_sort_only_by_fast(sortcol)) 3767 flags |= ZFS_ITER_SIMPLE; 3768 3769 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist, 3770 limit, list_callback, &cb); 3771 3772 zprop_free_list(cb.cb_proplist); 3773 zfs_free_sort_columns(sortcol); 3774 3775 if (ret == 0 && cb.cb_first && !cb.cb_scripted) 3776 (void) fprintf(stderr, gettext("no datasets available\n")); 3777 3778 return (ret); 3779 } 3780 3781 /* 3782 * zfs rename [-fu] <fs | snap | vol> <fs | snap | vol> 3783 * zfs rename [-f] -p <fs | vol> <fs | vol> 3784 * zfs rename [-u] -r <snap> <snap> 3785 * 3786 * Renames the given dataset to another of the same type. 3787 * 3788 * The '-p' flag creates all the non-existing ancestors of the target first. 3789 * The '-u' flag prevents file systems from being remounted during rename. 3790 */ 3791 static int 3792 zfs_do_rename(int argc, char **argv) 3793 { 3794 zfs_handle_t *zhp; 3795 renameflags_t flags = { 0 }; 3796 int c; 3797 int ret = 0; 3798 int types; 3799 boolean_t parents = B_FALSE; 3800 3801 /* check options */ 3802 while ((c = getopt(argc, argv, "pruf")) != -1) { 3803 switch (c) { 3804 case 'p': 3805 parents = B_TRUE; 3806 break; 3807 case 'r': 3808 flags.recursive = B_TRUE; 3809 break; 3810 case 'u': 3811 flags.nounmount = B_TRUE; 3812 break; 3813 case 'f': 3814 flags.forceunmount = B_TRUE; 3815 break; 3816 case '?': 3817 default: 3818 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3819 optopt); 3820 usage(B_FALSE); 3821 } 3822 } 3823 3824 argc -= optind; 3825 argv += optind; 3826 3827 /* check number of arguments */ 3828 if (argc < 1) { 3829 (void) fprintf(stderr, gettext("missing source dataset " 3830 "argument\n")); 3831 usage(B_FALSE); 3832 } 3833 if (argc < 2) { 3834 (void) fprintf(stderr, gettext("missing target dataset " 3835 "argument\n")); 3836 usage(B_FALSE); 3837 } 3838 if (argc > 2) { 3839 (void) fprintf(stderr, gettext("too many arguments\n")); 3840 usage(B_FALSE); 3841 } 3842 3843 if (flags.recursive && parents) { 3844 (void) fprintf(stderr, gettext("-p and -r options are mutually " 3845 "exclusive\n")); 3846 usage(B_FALSE); 3847 } 3848 3849 if (flags.nounmount && parents) { 3850 (void) fprintf(stderr, gettext("-u and -p options are mutually " 3851 "exclusive\n")); 3852 usage(B_FALSE); 3853 } 3854 3855 if (flags.recursive && strchr(argv[0], '@') == 0) { 3856 (void) fprintf(stderr, gettext("source dataset for recursive " 3857 "rename must be a snapshot\n")); 3858 usage(B_FALSE); 3859 } 3860 3861 if (flags.nounmount) 3862 types = ZFS_TYPE_FILESYSTEM; 3863 else if (parents) 3864 types = ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME; 3865 else 3866 types = ZFS_TYPE_DATASET; 3867 3868 if ((zhp = zfs_open(g_zfs, argv[0], types)) == NULL) 3869 return (1); 3870 3871 /* If we were asked and the name looks good, try to create ancestors. */ 3872 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) && 3873 zfs_create_ancestors(g_zfs, argv[1]) != 0) { 3874 zfs_close(zhp); 3875 return (1); 3876 } 3877 3878 ret = (zfs_rename(zhp, argv[1], flags) != 0); 3879 3880 zfs_close(zhp); 3881 return (ret); 3882 } 3883 3884 /* 3885 * zfs promote <fs> 3886 * 3887 * Promotes the given clone fs to be the parent 3888 */ 3889 static int 3890 zfs_do_promote(int argc, char **argv) 3891 { 3892 zfs_handle_t *zhp; 3893 int ret = 0; 3894 3895 /* check options */ 3896 if (argc > 1 && argv[1][0] == '-') { 3897 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3898 argv[1][1]); 3899 usage(B_FALSE); 3900 } 3901 3902 /* check number of arguments */ 3903 if (argc < 2) { 3904 (void) fprintf(stderr, gettext("missing clone filesystem" 3905 " argument\n")); 3906 usage(B_FALSE); 3907 } 3908 if (argc > 2) { 3909 (void) fprintf(stderr, gettext("too many arguments\n")); 3910 usage(B_FALSE); 3911 } 3912 3913 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 3914 if (zhp == NULL) 3915 return (1); 3916 3917 ret = (zfs_promote(zhp) != 0); 3918 3919 3920 zfs_close(zhp); 3921 return (ret); 3922 } 3923 3924 static int 3925 zfs_do_redact(int argc, char **argv) 3926 { 3927 char *snap = NULL; 3928 char *bookname = NULL; 3929 char **rsnaps = NULL; 3930 int numrsnaps = 0; 3931 argv++; 3932 argc--; 3933 if (argc < 3) { 3934 (void) fprintf(stderr, gettext("too few arguments\n")); 3935 usage(B_FALSE); 3936 } 3937 3938 snap = argv[0]; 3939 bookname = argv[1]; 3940 rsnaps = argv + 2; 3941 numrsnaps = argc - 2; 3942 3943 nvlist_t *rsnapnv = fnvlist_alloc(); 3944 3945 for (int i = 0; i < numrsnaps; i++) { 3946 fnvlist_add_boolean(rsnapnv, rsnaps[i]); 3947 } 3948 3949 int err = lzc_redact(snap, bookname, rsnapnv); 3950 fnvlist_free(rsnapnv); 3951 3952 switch (err) { 3953 case 0: 3954 break; 3955 case ENOENT: { 3956 zfs_handle_t *zhp = zfs_open(g_zfs, snap, ZFS_TYPE_SNAPSHOT); 3957 if (zhp == NULL) { 3958 (void) fprintf(stderr, gettext("provided snapshot %s " 3959 "does not exist\n"), snap); 3960 } else { 3961 zfs_close(zhp); 3962 } 3963 for (int i = 0; i < numrsnaps; i++) { 3964 zhp = zfs_open(g_zfs, rsnaps[i], ZFS_TYPE_SNAPSHOT); 3965 if (zhp == NULL) { 3966 (void) fprintf(stderr, gettext("provided " 3967 "snapshot %s does not exist\n"), rsnaps[i]); 3968 } else { 3969 zfs_close(zhp); 3970 } 3971 } 3972 break; 3973 } 3974 case EEXIST: 3975 (void) fprintf(stderr, gettext("specified redaction bookmark " 3976 "(%s) provided already exists\n"), bookname); 3977 break; 3978 case ENAMETOOLONG: 3979 (void) fprintf(stderr, gettext("provided bookmark name cannot " 3980 "be used, final name would be too long\n")); 3981 break; 3982 case E2BIG: 3983 (void) fprintf(stderr, gettext("too many redaction snapshots " 3984 "specified\n")); 3985 break; 3986 case EINVAL: 3987 if (strchr(bookname, '#') != NULL) 3988 (void) fprintf(stderr, gettext( 3989 "redaction bookmark name must not contain '#'\n")); 3990 else 3991 (void) fprintf(stderr, gettext( 3992 "redaction snapshot must be descendent of " 3993 "snapshot being redacted\n")); 3994 break; 3995 case EALREADY: 3996 (void) fprintf(stderr, gettext("attempted to redact redacted " 3997 "dataset or with respect to redacted dataset\n")); 3998 break; 3999 case ENOTSUP: 4000 (void) fprintf(stderr, gettext("redaction bookmarks feature " 4001 "not enabled\n")); 4002 break; 4003 case EXDEV: 4004 (void) fprintf(stderr, gettext("potentially invalid redaction " 4005 "snapshot; full dataset names required\n")); 4006 break; 4007 case ESRCH: 4008 (void) fprintf(stderr, gettext("attempted to resume redaction " 4009 " with a mismatched redaction list\n")); 4010 break; 4011 default: 4012 (void) fprintf(stderr, gettext("internal error: %s\n"), 4013 strerror(errno)); 4014 } 4015 4016 return (err); 4017 } 4018 4019 /* 4020 * zfs rollback [-rRf] <snapshot> 4021 * 4022 * -r Delete any intervening snapshots before doing rollback 4023 * -R Delete any snapshots and their clones 4024 * -f ignored for backwards compatibility 4025 * 4026 * Given a filesystem, rollback to a specific snapshot, discarding any changes 4027 * since then and making it the active dataset. If more recent snapshots exist, 4028 * the command will complain unless the '-r' flag is given. 4029 */ 4030 typedef struct rollback_cbdata { 4031 uint64_t cb_create; 4032 uint8_t cb_younger_ds_printed; 4033 boolean_t cb_first; 4034 int cb_doclones; 4035 char *cb_target; 4036 int cb_error; 4037 boolean_t cb_recurse; 4038 } rollback_cbdata_t; 4039 4040 static int 4041 rollback_check_dependent(zfs_handle_t *zhp, void *data) 4042 { 4043 rollback_cbdata_t *cbp = data; 4044 4045 if (cbp->cb_first && cbp->cb_recurse) { 4046 (void) fprintf(stderr, gettext("cannot rollback to " 4047 "'%s': clones of previous snapshots exist\n"), 4048 cbp->cb_target); 4049 (void) fprintf(stderr, gettext("use '-R' to " 4050 "force deletion of the following clones and " 4051 "dependents:\n")); 4052 cbp->cb_first = 0; 4053 cbp->cb_error = 1; 4054 } 4055 4056 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 4057 4058 zfs_close(zhp); 4059 return (0); 4060 } 4061 4062 4063 /* 4064 * Report some snapshots/bookmarks more recent than the one specified. 4065 * Used when '-r' is not specified. We reuse this same callback for the 4066 * snapshot dependents - if 'cb_dependent' is set, then this is a 4067 * dependent and we should report it without checking the transaction group. 4068 */ 4069 static int 4070 rollback_check(zfs_handle_t *zhp, void *data) 4071 { 4072 rollback_cbdata_t *cbp = data; 4073 /* 4074 * Max number of younger snapshots and/or bookmarks to display before 4075 * we stop the iteration. 4076 */ 4077 const uint8_t max_younger = 32; 4078 4079 if (cbp->cb_doclones) { 4080 zfs_close(zhp); 4081 return (0); 4082 } 4083 4084 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) { 4085 if (cbp->cb_first && !cbp->cb_recurse) { 4086 (void) fprintf(stderr, gettext("cannot " 4087 "rollback to '%s': more recent snapshots " 4088 "or bookmarks exist\n"), 4089 cbp->cb_target); 4090 (void) fprintf(stderr, gettext("use '-r' to " 4091 "force deletion of the following " 4092 "snapshots and bookmarks:\n")); 4093 cbp->cb_first = 0; 4094 cbp->cb_error = 1; 4095 } 4096 4097 if (cbp->cb_recurse) { 4098 if (zfs_iter_dependents_v2(zhp, 0, B_TRUE, 4099 rollback_check_dependent, cbp) != 0) { 4100 zfs_close(zhp); 4101 return (-1); 4102 } 4103 } else { 4104 (void) fprintf(stderr, "%s\n", 4105 zfs_get_name(zhp)); 4106 cbp->cb_younger_ds_printed++; 4107 } 4108 } 4109 zfs_close(zhp); 4110 4111 if (cbp->cb_younger_ds_printed == max_younger) { 4112 /* 4113 * This non-recursive rollback is going to fail due to the 4114 * presence of snapshots and/or bookmarks that are younger than 4115 * the rollback target. 4116 * We printed some of the offending objects, now we stop 4117 * zfs_iter_snapshot/bookmark iteration so we can fail fast and 4118 * avoid iterating over the rest of the younger objects 4119 */ 4120 (void) fprintf(stderr, gettext("Output limited to %d " 4121 "snapshots/bookmarks\n"), max_younger); 4122 return (-1); 4123 } 4124 return (0); 4125 } 4126 4127 static int 4128 zfs_do_rollback(int argc, char **argv) 4129 { 4130 int ret = 0; 4131 int c; 4132 boolean_t force = B_FALSE; 4133 rollback_cbdata_t cb = { 0 }; 4134 zfs_handle_t *zhp, *snap; 4135 char parentname[ZFS_MAX_DATASET_NAME_LEN]; 4136 char *delim; 4137 uint64_t min_txg = 0; 4138 4139 /* check options */ 4140 while ((c = getopt(argc, argv, "rRf")) != -1) { 4141 switch (c) { 4142 case 'r': 4143 cb.cb_recurse = 1; 4144 break; 4145 case 'R': 4146 cb.cb_recurse = 1; 4147 cb.cb_doclones = 1; 4148 break; 4149 case 'f': 4150 force = B_TRUE; 4151 break; 4152 case '?': 4153 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4154 optopt); 4155 usage(B_FALSE); 4156 } 4157 } 4158 4159 argc -= optind; 4160 argv += optind; 4161 4162 /* check number of arguments */ 4163 if (argc < 1) { 4164 (void) fprintf(stderr, gettext("missing dataset argument\n")); 4165 usage(B_FALSE); 4166 } 4167 if (argc > 1) { 4168 (void) fprintf(stderr, gettext("too many arguments\n")); 4169 usage(B_FALSE); 4170 } 4171 4172 /* open the snapshot */ 4173 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) 4174 return (1); 4175 4176 /* open the parent dataset */ 4177 (void) strlcpy(parentname, argv[0], sizeof (parentname)); 4178 verify((delim = strrchr(parentname, '@')) != NULL); 4179 *delim = '\0'; 4180 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) { 4181 zfs_close(snap); 4182 return (1); 4183 } 4184 4185 /* 4186 * Check for more recent snapshots and/or clones based on the presence 4187 * of '-r' and '-R'. 4188 */ 4189 cb.cb_target = argv[0]; 4190 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); 4191 cb.cb_first = B_TRUE; 4192 cb.cb_error = 0; 4193 4194 if (cb.cb_create > 0) 4195 min_txg = cb.cb_create; 4196 4197 if ((ret = zfs_iter_snapshots_v2(zhp, 0, rollback_check, &cb, 4198 min_txg, 0)) != 0) 4199 goto out; 4200 if ((ret = zfs_iter_bookmarks_v2(zhp, 0, rollback_check, &cb)) != 0) 4201 goto out; 4202 4203 if ((ret = cb.cb_error) != 0) 4204 goto out; 4205 4206 /* 4207 * Rollback parent to the given snapshot. 4208 */ 4209 ret = zfs_rollback(zhp, snap, force); 4210 4211 out: 4212 zfs_close(snap); 4213 zfs_close(zhp); 4214 4215 if (ret == 0) 4216 return (0); 4217 else 4218 return (1); 4219 } 4220 4221 /* 4222 * zfs set property=value ... { fs | snap | vol } ... 4223 * 4224 * Sets the given properties for all datasets specified on the command line. 4225 */ 4226 4227 static int 4228 set_callback(zfs_handle_t *zhp, void *data) 4229 { 4230 zprop_set_cbdata_t *cb = data; 4231 int ret = zfs_prop_set_list_flags(zhp, cb->cb_proplist, cb->cb_flags); 4232 4233 if (ret != 0 || libzfs_errno(g_zfs) != EZFS_SUCCESS) { 4234 switch (libzfs_errno(g_zfs)) { 4235 case EZFS_MOUNTFAILED: 4236 (void) fprintf(stderr, gettext("property may be set " 4237 "but unable to remount filesystem\n")); 4238 break; 4239 case EZFS_SHARENFSFAILED: 4240 (void) fprintf(stderr, gettext("property may be set " 4241 "but unable to reshare filesystem\n")); 4242 break; 4243 } 4244 } 4245 return (ret); 4246 } 4247 4248 static int 4249 zfs_do_set(int argc, char **argv) 4250 { 4251 zprop_set_cbdata_t cb = { 0 }; 4252 int ds_start = -1; /* argv idx of first dataset arg */ 4253 int ret = 0; 4254 int i, c; 4255 4256 /* check options */ 4257 while ((c = getopt(argc, argv, "u")) != -1) { 4258 switch (c) { 4259 case 'u': 4260 cb.cb_flags |= ZFS_SET_NOMOUNT; 4261 break; 4262 case '?': 4263 default: 4264 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4265 optopt); 4266 usage(B_FALSE); 4267 } 4268 } 4269 4270 argc -= optind; 4271 argv += optind; 4272 4273 /* check number of arguments */ 4274 if (argc < 1) { 4275 (void) fprintf(stderr, gettext("missing arguments\n")); 4276 usage(B_FALSE); 4277 } 4278 if (argc < 2) { 4279 if (strchr(argv[0], '=') == NULL) { 4280 (void) fprintf(stderr, gettext("missing property=value " 4281 "argument(s)\n")); 4282 } else { 4283 (void) fprintf(stderr, gettext("missing dataset " 4284 "name(s)\n")); 4285 } 4286 usage(B_FALSE); 4287 } 4288 4289 /* validate argument order: prop=val args followed by dataset args */ 4290 for (i = 0; i < argc; i++) { 4291 if (strchr(argv[i], '=') != NULL) { 4292 if (ds_start > 0) { 4293 /* out-of-order prop=val argument */ 4294 (void) fprintf(stderr, gettext("invalid " 4295 "argument order\n")); 4296 usage(B_FALSE); 4297 } 4298 } else if (ds_start < 0) { 4299 ds_start = i; 4300 } 4301 } 4302 if (ds_start < 0) { 4303 (void) fprintf(stderr, gettext("missing dataset name(s)\n")); 4304 usage(B_FALSE); 4305 } 4306 4307 /* Populate a list of property settings */ 4308 if (nvlist_alloc(&cb.cb_proplist, NV_UNIQUE_NAME, 0) != 0) 4309 nomem(); 4310 for (i = 0; i < ds_start; i++) { 4311 if (!parseprop(cb.cb_proplist, argv[i])) { 4312 ret = -1; 4313 goto error; 4314 } 4315 } 4316 4317 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0, 4318 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb); 4319 4320 error: 4321 nvlist_free(cb.cb_proplist); 4322 return (ret); 4323 } 4324 4325 typedef struct snap_cbdata { 4326 nvlist_t *sd_nvl; 4327 boolean_t sd_recursive; 4328 const char *sd_snapname; 4329 } snap_cbdata_t; 4330 4331 static int 4332 zfs_snapshot_cb(zfs_handle_t *zhp, void *arg) 4333 { 4334 snap_cbdata_t *sd = arg; 4335 char *name; 4336 int rv = 0; 4337 int error; 4338 4339 if (sd->sd_recursive && 4340 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) { 4341 zfs_close(zhp); 4342 return (0); 4343 } 4344 4345 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname); 4346 if (error == -1) 4347 nomem(); 4348 fnvlist_add_boolean(sd->sd_nvl, name); 4349 free(name); 4350 4351 if (sd->sd_recursive) 4352 rv = zfs_iter_filesystems_v2(zhp, 0, zfs_snapshot_cb, sd); 4353 zfs_close(zhp); 4354 return (rv); 4355 } 4356 4357 /* 4358 * zfs snapshot [-r] [-o prop=value] ... <fs@snap> 4359 * 4360 * Creates a snapshot with the given name. While functionally equivalent to 4361 * 'zfs create', it is a separate command to differentiate intent. 4362 */ 4363 static int 4364 zfs_do_snapshot(int argc, char **argv) 4365 { 4366 int ret = 0; 4367 int c; 4368 nvlist_t *props; 4369 snap_cbdata_t sd = { 0 }; 4370 boolean_t multiple_snaps = B_FALSE; 4371 4372 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 4373 nomem(); 4374 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0) 4375 nomem(); 4376 4377 /* check options */ 4378 while ((c = getopt(argc, argv, "ro:")) != -1) { 4379 switch (c) { 4380 case 'o': 4381 if (!parseprop(props, optarg)) { 4382 nvlist_free(sd.sd_nvl); 4383 nvlist_free(props); 4384 return (1); 4385 } 4386 break; 4387 case 'r': 4388 sd.sd_recursive = B_TRUE; 4389 multiple_snaps = B_TRUE; 4390 break; 4391 case '?': 4392 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4393 optopt); 4394 goto usage; 4395 } 4396 } 4397 4398 argc -= optind; 4399 argv += optind; 4400 4401 /* check number of arguments */ 4402 if (argc < 1) { 4403 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 4404 goto usage; 4405 } 4406 4407 if (argc > 1) 4408 multiple_snaps = B_TRUE; 4409 for (; argc > 0; argc--, argv++) { 4410 char *atp; 4411 zfs_handle_t *zhp; 4412 4413 atp = strchr(argv[0], '@'); 4414 if (atp == NULL) 4415 goto usage; 4416 *atp = '\0'; 4417 sd.sd_snapname = atp + 1; 4418 zhp = zfs_open(g_zfs, argv[0], 4419 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4420 if (zhp == NULL) 4421 goto usage; 4422 if (zfs_snapshot_cb(zhp, &sd) != 0) 4423 goto usage; 4424 } 4425 4426 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props); 4427 nvlist_free(sd.sd_nvl); 4428 nvlist_free(props); 4429 if (ret != 0 && multiple_snaps) 4430 (void) fprintf(stderr, gettext("no snapshots were created\n")); 4431 return (ret != 0); 4432 4433 usage: 4434 nvlist_free(sd.sd_nvl); 4435 nvlist_free(props); 4436 usage(B_FALSE); 4437 return (-1); 4438 } 4439 4440 /* 4441 * Array of prefixes to exclude – 4442 * a linear search, even if executed for each dataset, 4443 * is plenty good enough. 4444 */ 4445 typedef struct zfs_send_exclude_arg { 4446 size_t count; 4447 const char **list; 4448 } zfs_send_exclude_arg_t; 4449 4450 static boolean_t 4451 zfs_do_send_exclude(zfs_handle_t *zhp, void *context) 4452 { 4453 zfs_send_exclude_arg_t *excludes = context; 4454 const char *name = zfs_get_name(zhp); 4455 4456 for (size_t i = 0; i < excludes->count; ++i) { 4457 size_t len = strlen(excludes->list[i]); 4458 if (strncmp(name, excludes->list[i], len) == 0 && 4459 memchr("/@", name[len], sizeof ("/@"))) 4460 return (B_FALSE); 4461 } 4462 4463 return (B_TRUE); 4464 } 4465 4466 /* 4467 * Send a backup stream to stdout. 4468 */ 4469 static int 4470 zfs_do_send(int argc, char **argv) 4471 { 4472 char *fromname = NULL; 4473 char *toname = NULL; 4474 char *resume_token = NULL; 4475 char *cp; 4476 zfs_handle_t *zhp; 4477 sendflags_t flags = { 0 }; 4478 int c, err; 4479 nvlist_t *dbgnv = NULL; 4480 char *redactbook = NULL; 4481 zfs_send_exclude_arg_t excludes = { 0 }; 4482 4483 struct option long_options[] = { 4484 {"replicate", no_argument, NULL, 'R'}, 4485 {"skip-missing", no_argument, NULL, 's'}, 4486 {"redact", required_argument, NULL, 'd'}, 4487 {"props", no_argument, NULL, 'p'}, 4488 {"parsable", no_argument, NULL, 'P'}, 4489 {"dedup", no_argument, NULL, 'D'}, 4490 {"proctitle", no_argument, NULL, 'V'}, 4491 {"verbose", no_argument, NULL, 'v'}, 4492 {"dryrun", no_argument, NULL, 'n'}, 4493 {"large-block", no_argument, NULL, 'L'}, 4494 {"embed", no_argument, NULL, 'e'}, 4495 {"resume", required_argument, NULL, 't'}, 4496 {"compressed", no_argument, NULL, 'c'}, 4497 {"raw", no_argument, NULL, 'w'}, 4498 {"backup", no_argument, NULL, 'b'}, 4499 {"holds", no_argument, NULL, 'h'}, 4500 {"saved", no_argument, NULL, 'S'}, 4501 {"exclude", required_argument, NULL, 'X'}, 4502 {0, 0, 0, 0} 4503 }; 4504 4505 /* check options */ 4506 while ((c = getopt_long(argc, argv, ":i:I:RsDpVvnPLeht:cwbd:SX:", 4507 long_options, NULL)) != -1) { 4508 switch (c) { 4509 case 'X': 4510 for (char *ds; (ds = strsep(&optarg, ",")) != NULL; ) { 4511 if (!zfs_name_valid(ds, ZFS_TYPE_DATASET) || 4512 strchr(ds, '/') == NULL) { 4513 (void) fprintf(stderr, gettext("-X %s: " 4514 "not a valid non-root dataset name" 4515 ".\n"), ds); 4516 usage(B_FALSE); 4517 } 4518 excludes.list = safe_realloc(excludes.list, 4519 sizeof (char *) * (excludes.count + 1)); 4520 excludes.list[excludes.count++] = ds; 4521 } 4522 break; 4523 case 'i': 4524 if (fromname) 4525 usage(B_FALSE); 4526 fromname = optarg; 4527 break; 4528 case 'I': 4529 if (fromname) 4530 usage(B_FALSE); 4531 fromname = optarg; 4532 flags.doall = B_TRUE; 4533 break; 4534 case 'R': 4535 flags.replicate = B_TRUE; 4536 break; 4537 case 's': 4538 flags.skipmissing = B_TRUE; 4539 break; 4540 case 'd': 4541 redactbook = optarg; 4542 break; 4543 case 'p': 4544 flags.props = B_TRUE; 4545 break; 4546 case 'b': 4547 flags.backup = B_TRUE; 4548 break; 4549 case 'h': 4550 flags.holds = B_TRUE; 4551 break; 4552 case 'P': 4553 flags.parsable = B_TRUE; 4554 break; 4555 case 'V': 4556 flags.progressastitle = B_TRUE; 4557 break; 4558 case 'v': 4559 flags.verbosity++; 4560 flags.progress = B_TRUE; 4561 break; 4562 case 'D': 4563 (void) fprintf(stderr, 4564 gettext("WARNING: deduplicated send is no " 4565 "longer supported. A regular,\n" 4566 "non-deduplicated stream will be generated.\n\n")); 4567 break; 4568 case 'n': 4569 flags.dryrun = B_TRUE; 4570 break; 4571 case 'L': 4572 flags.largeblock = B_TRUE; 4573 break; 4574 case 'e': 4575 flags.embed_data = B_TRUE; 4576 break; 4577 case 't': 4578 resume_token = optarg; 4579 break; 4580 case 'c': 4581 flags.compress = B_TRUE; 4582 break; 4583 case 'w': 4584 flags.raw = B_TRUE; 4585 flags.compress = B_TRUE; 4586 flags.embed_data = B_TRUE; 4587 flags.largeblock = B_TRUE; 4588 break; 4589 case 'S': 4590 flags.saved = B_TRUE; 4591 break; 4592 case ':': 4593 /* 4594 * If a parameter was not passed, optopt contains the 4595 * value that would normally lead us into the 4596 * appropriate case statement. If it's > 256, then this 4597 * must be a longopt and we should look at argv to get 4598 * the string. Otherwise it's just the character, so we 4599 * should use it directly. 4600 */ 4601 if (optopt <= UINT8_MAX) { 4602 (void) fprintf(stderr, 4603 gettext("missing argument for '%c' " 4604 "option\n"), optopt); 4605 } else { 4606 (void) fprintf(stderr, 4607 gettext("missing argument for '%s' " 4608 "option\n"), argv[optind - 1]); 4609 } 4610 free(excludes.list); 4611 usage(B_FALSE); 4612 break; 4613 case '?': 4614 default: 4615 /* 4616 * If an invalid flag was passed, optopt contains the 4617 * character if it was a short flag, or 0 if it was a 4618 * longopt. 4619 */ 4620 if (optopt != 0) { 4621 (void) fprintf(stderr, 4622 gettext("invalid option '%c'\n"), optopt); 4623 } else { 4624 (void) fprintf(stderr, 4625 gettext("invalid option '%s'\n"), 4626 argv[optind - 1]); 4627 4628 } 4629 free(excludes.list); 4630 usage(B_FALSE); 4631 } 4632 } 4633 4634 if ((flags.parsable || flags.progressastitle) && flags.verbosity == 0) 4635 flags.verbosity = 1; 4636 4637 if (excludes.count > 0 && !flags.replicate) { 4638 free(excludes.list); 4639 (void) fprintf(stderr, gettext("Cannot specify " 4640 "dataset exclusion (-X) on a non-recursive " 4641 "send.\n")); 4642 return (1); 4643 } 4644 4645 argc -= optind; 4646 argv += optind; 4647 4648 if (resume_token != NULL) { 4649 if (fromname != NULL || flags.replicate || flags.props || 4650 flags.backup || flags.holds || 4651 flags.saved || redactbook != NULL) { 4652 free(excludes.list); 4653 (void) fprintf(stderr, 4654 gettext("invalid flags combined with -t\n")); 4655 usage(B_FALSE); 4656 } 4657 if (argc > 0) { 4658 free(excludes.list); 4659 (void) fprintf(stderr, gettext("too many arguments\n")); 4660 usage(B_FALSE); 4661 } 4662 } else { 4663 if (argc < 1) { 4664 free(excludes.list); 4665 (void) fprintf(stderr, 4666 gettext("missing snapshot argument\n")); 4667 usage(B_FALSE); 4668 } 4669 if (argc > 1) { 4670 free(excludes.list); 4671 (void) fprintf(stderr, gettext("too many arguments\n")); 4672 usage(B_FALSE); 4673 } 4674 } 4675 4676 if (flags.saved) { 4677 if (fromname != NULL || flags.replicate || flags.props || 4678 flags.doall || flags.backup || 4679 flags.holds || flags.largeblock || flags.embed_data || 4680 flags.compress || flags.raw || redactbook != NULL) { 4681 free(excludes.list); 4682 4683 (void) fprintf(stderr, gettext("incompatible flags " 4684 "combined with saved send flag\n")); 4685 usage(B_FALSE); 4686 } 4687 if (strchr(argv[0], '@') != NULL) { 4688 free(excludes.list); 4689 4690 (void) fprintf(stderr, gettext("saved send must " 4691 "specify the dataset with partially-received " 4692 "state\n")); 4693 usage(B_FALSE); 4694 } 4695 } 4696 4697 if (flags.raw && redactbook != NULL) { 4698 free(excludes.list); 4699 (void) fprintf(stderr, 4700 gettext("Error: raw sends may not be redacted.\n")); 4701 return (1); 4702 } 4703 4704 if (!flags.dryrun && isatty(STDOUT_FILENO)) { 4705 free(excludes.list); 4706 (void) fprintf(stderr, 4707 gettext("Error: Stream can not be written to a terminal.\n" 4708 "You must redirect standard output.\n")); 4709 return (1); 4710 } 4711 4712 if (flags.saved) { 4713 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET); 4714 if (zhp == NULL) { 4715 free(excludes.list); 4716 return (1); 4717 } 4718 4719 err = zfs_send_saved(zhp, &flags, STDOUT_FILENO, 4720 resume_token); 4721 free(excludes.list); 4722 zfs_close(zhp); 4723 return (err != 0); 4724 } else if (resume_token != NULL) { 4725 free(excludes.list); 4726 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO, 4727 resume_token)); 4728 } 4729 4730 if (flags.skipmissing && !flags.replicate) { 4731 free(excludes.list); 4732 (void) fprintf(stderr, 4733 gettext("skip-missing flag can only be used in " 4734 "conjunction with replicate\n")); 4735 usage(B_FALSE); 4736 } 4737 4738 /* 4739 * For everything except -R and -I, use the new, cleaner code path. 4740 */ 4741 if (!(flags.replicate || flags.doall)) { 4742 char frombuf[ZFS_MAX_DATASET_NAME_LEN]; 4743 4744 if (fromname != NULL && (strchr(fromname, '#') == NULL && 4745 strchr(fromname, '@') == NULL)) { 4746 /* 4747 * Neither bookmark or snapshot was specified. Print a 4748 * warning, and assume snapshot. 4749 */ 4750 (void) fprintf(stderr, "Warning: incremental source " 4751 "didn't specify type, assuming snapshot. Use '@' " 4752 "or '#' prefix to avoid ambiguity.\n"); 4753 (void) snprintf(frombuf, sizeof (frombuf), "@%s", 4754 fromname); 4755 fromname = frombuf; 4756 } 4757 if (fromname != NULL && 4758 (fromname[0] == '#' || fromname[0] == '@')) { 4759 /* 4760 * Incremental source name begins with # or @. 4761 * Default to same fs as target. 4762 */ 4763 char tmpbuf[ZFS_MAX_DATASET_NAME_LEN]; 4764 (void) strlcpy(tmpbuf, fromname, sizeof (tmpbuf)); 4765 (void) strlcpy(frombuf, argv[0], sizeof (frombuf)); 4766 cp = strchr(frombuf, '@'); 4767 if (cp != NULL) 4768 *cp = '\0'; 4769 (void) strlcat(frombuf, tmpbuf, sizeof (frombuf)); 4770 fromname = frombuf; 4771 } 4772 4773 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET); 4774 if (zhp == NULL) { 4775 free(excludes.list); 4776 return (1); 4777 } 4778 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, &flags, 4779 redactbook); 4780 4781 free(excludes.list); 4782 zfs_close(zhp); 4783 return (err != 0); 4784 } 4785 4786 if (fromname != NULL && strchr(fromname, '#')) { 4787 (void) fprintf(stderr, 4788 gettext("Error: multiple snapshots cannot be " 4789 "sent from a bookmark.\n")); 4790 free(excludes.list); 4791 return (1); 4792 } 4793 4794 if (redactbook != NULL) { 4795 (void) fprintf(stderr, gettext("Error: multiple snapshots " 4796 "cannot be sent redacted.\n")); 4797 free(excludes.list); 4798 return (1); 4799 } 4800 4801 if ((cp = strchr(argv[0], '@')) == NULL) { 4802 (void) fprintf(stderr, gettext("Error: " 4803 "Unsupported flag with filesystem or bookmark.\n")); 4804 free(excludes.list); 4805 return (1); 4806 } 4807 *cp = '\0'; 4808 toname = cp + 1; 4809 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4810 if (zhp == NULL) { 4811 free(excludes.list); 4812 return (1); 4813 } 4814 4815 /* 4816 * If they specified the full path to the snapshot, chop off 4817 * everything except the short name of the snapshot, but special 4818 * case if they specify the origin. 4819 */ 4820 if (fromname && (cp = strchr(fromname, '@')) != NULL) { 4821 char origin[ZFS_MAX_DATASET_NAME_LEN]; 4822 zprop_source_t src; 4823 4824 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN, 4825 origin, sizeof (origin), &src, NULL, 0, B_FALSE); 4826 4827 if (strcmp(origin, fromname) == 0) { 4828 fromname = NULL; 4829 flags.fromorigin = B_TRUE; 4830 } else { 4831 *cp = '\0'; 4832 if (cp != fromname && strcmp(argv[0], fromname)) { 4833 zfs_close(zhp); 4834 free(excludes.list); 4835 (void) fprintf(stderr, 4836 gettext("incremental source must be " 4837 "in same filesystem\n")); 4838 usage(B_FALSE); 4839 } 4840 fromname = cp + 1; 4841 if (strchr(fromname, '@') || strchr(fromname, '/')) { 4842 zfs_close(zhp); 4843 free(excludes.list); 4844 (void) fprintf(stderr, 4845 gettext("invalid incremental source\n")); 4846 usage(B_FALSE); 4847 } 4848 } 4849 } 4850 4851 if (flags.replicate && fromname == NULL) 4852 flags.doall = B_TRUE; 4853 4854 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, 4855 excludes.count > 0 ? zfs_do_send_exclude : NULL, 4856 &excludes, flags.verbosity >= 3 ? &dbgnv : NULL); 4857 4858 if (flags.verbosity >= 3 && dbgnv != NULL) { 4859 /* 4860 * dump_nvlist prints to stdout, but that's been 4861 * redirected to a file. Make it print to stderr 4862 * instead. 4863 */ 4864 (void) dup2(STDERR_FILENO, STDOUT_FILENO); 4865 dump_nvlist(dbgnv, 0); 4866 nvlist_free(dbgnv); 4867 } 4868 4869 zfs_close(zhp); 4870 free(excludes.list); 4871 return (err != 0); 4872 } 4873 4874 /* 4875 * Restore a backup stream from stdin. 4876 */ 4877 static int 4878 zfs_do_receive(int argc, char **argv) 4879 { 4880 int c, err = 0; 4881 recvflags_t flags = { 0 }; 4882 boolean_t abort_resumable = B_FALSE; 4883 nvlist_t *props; 4884 4885 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 4886 nomem(); 4887 4888 /* check options */ 4889 while ((c = getopt(argc, argv, ":o:x:dehMnuvFsAc")) != -1) { 4890 switch (c) { 4891 case 'o': 4892 if (!parseprop(props, optarg)) { 4893 nvlist_free(props); 4894 usage(B_FALSE); 4895 } 4896 break; 4897 case 'x': 4898 if (!parsepropname(props, optarg)) { 4899 nvlist_free(props); 4900 usage(B_FALSE); 4901 } 4902 break; 4903 case 'd': 4904 if (flags.istail) { 4905 (void) fprintf(stderr, gettext("invalid option " 4906 "combination: -d and -e are mutually " 4907 "exclusive\n")); 4908 usage(B_FALSE); 4909 } 4910 flags.isprefix = B_TRUE; 4911 break; 4912 case 'e': 4913 if (flags.isprefix) { 4914 (void) fprintf(stderr, gettext("invalid option " 4915 "combination: -d and -e are mutually " 4916 "exclusive\n")); 4917 usage(B_FALSE); 4918 } 4919 flags.istail = B_TRUE; 4920 break; 4921 case 'h': 4922 flags.skipholds = B_TRUE; 4923 break; 4924 case 'M': 4925 flags.forceunmount = B_TRUE; 4926 break; 4927 case 'n': 4928 flags.dryrun = B_TRUE; 4929 break; 4930 case 'u': 4931 flags.nomount = B_TRUE; 4932 break; 4933 case 'v': 4934 flags.verbose = B_TRUE; 4935 break; 4936 case 's': 4937 flags.resumable = B_TRUE; 4938 break; 4939 case 'F': 4940 flags.force = B_TRUE; 4941 break; 4942 case 'A': 4943 abort_resumable = B_TRUE; 4944 break; 4945 case 'c': 4946 flags.heal = B_TRUE; 4947 break; 4948 case ':': 4949 (void) fprintf(stderr, gettext("missing argument for " 4950 "'%c' option\n"), optopt); 4951 usage(B_FALSE); 4952 break; 4953 case '?': 4954 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4955 optopt); 4956 usage(B_FALSE); 4957 } 4958 } 4959 4960 argc -= optind; 4961 argv += optind; 4962 4963 /* zfs recv -e (use "tail" name) implies -d (remove dataset "head") */ 4964 if (flags.istail) 4965 flags.isprefix = B_TRUE; 4966 4967 /* check number of arguments */ 4968 if (argc < 1) { 4969 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 4970 usage(B_FALSE); 4971 } 4972 if (argc > 1) { 4973 (void) fprintf(stderr, gettext("too many arguments\n")); 4974 usage(B_FALSE); 4975 } 4976 4977 if (abort_resumable) { 4978 if (flags.isprefix || flags.istail || flags.dryrun || 4979 flags.resumable || flags.nomount) { 4980 (void) fprintf(stderr, gettext("invalid option\n")); 4981 usage(B_FALSE); 4982 } 4983 4984 char namebuf[ZFS_MAX_DATASET_NAME_LEN]; 4985 (void) snprintf(namebuf, sizeof (namebuf), 4986 "%s/%%recv", argv[0]); 4987 4988 if (zfs_dataset_exists(g_zfs, namebuf, 4989 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) { 4990 zfs_handle_t *zhp = zfs_open(g_zfs, 4991 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4992 if (zhp == NULL) { 4993 nvlist_free(props); 4994 return (1); 4995 } 4996 err = zfs_destroy(zhp, B_FALSE); 4997 zfs_close(zhp); 4998 } else { 4999 zfs_handle_t *zhp = zfs_open(g_zfs, 5000 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 5001 if (zhp == NULL) 5002 usage(B_FALSE); 5003 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) || 5004 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, 5005 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) { 5006 (void) fprintf(stderr, 5007 gettext("'%s' does not have any " 5008 "resumable receive state to abort\n"), 5009 argv[0]); 5010 nvlist_free(props); 5011 zfs_close(zhp); 5012 return (1); 5013 } 5014 err = zfs_destroy(zhp, B_FALSE); 5015 zfs_close(zhp); 5016 } 5017 nvlist_free(props); 5018 return (err != 0); 5019 } 5020 5021 if (isatty(STDIN_FILENO)) { 5022 (void) fprintf(stderr, 5023 gettext("Error: Backup stream can not be read " 5024 "from a terminal.\n" 5025 "You must redirect standard input.\n")); 5026 nvlist_free(props); 5027 return (1); 5028 } 5029 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL); 5030 nvlist_free(props); 5031 5032 return (err != 0); 5033 } 5034 5035 /* 5036 * allow/unallow stuff 5037 */ 5038 /* copied from zfs/sys/dsl_deleg.h */ 5039 #define ZFS_DELEG_PERM_CREATE "create" 5040 #define ZFS_DELEG_PERM_DESTROY "destroy" 5041 #define ZFS_DELEG_PERM_SNAPSHOT "snapshot" 5042 #define ZFS_DELEG_PERM_ROLLBACK "rollback" 5043 #define ZFS_DELEG_PERM_CLONE "clone" 5044 #define ZFS_DELEG_PERM_PROMOTE "promote" 5045 #define ZFS_DELEG_PERM_RENAME "rename" 5046 #define ZFS_DELEG_PERM_MOUNT "mount" 5047 #define ZFS_DELEG_PERM_SHARE "share" 5048 #define ZFS_DELEG_PERM_SEND "send" 5049 #define ZFS_DELEG_PERM_RECEIVE "receive" 5050 #define ZFS_DELEG_PERM_ALLOW "allow" 5051 #define ZFS_DELEG_PERM_USERPROP "userprop" 5052 #define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */ 5053 #define ZFS_DELEG_PERM_USERQUOTA "userquota" 5054 #define ZFS_DELEG_PERM_GROUPQUOTA "groupquota" 5055 #define ZFS_DELEG_PERM_USERUSED "userused" 5056 #define ZFS_DELEG_PERM_GROUPUSED "groupused" 5057 #define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota" 5058 #define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota" 5059 #define ZFS_DELEG_PERM_USEROBJUSED "userobjused" 5060 #define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused" 5061 5062 #define ZFS_DELEG_PERM_HOLD "hold" 5063 #define ZFS_DELEG_PERM_RELEASE "release" 5064 #define ZFS_DELEG_PERM_DIFF "diff" 5065 #define ZFS_DELEG_PERM_BOOKMARK "bookmark" 5066 #define ZFS_DELEG_PERM_LOAD_KEY "load-key" 5067 #define ZFS_DELEG_PERM_CHANGE_KEY "change-key" 5068 5069 #define ZFS_DELEG_PERM_PROJECTUSED "projectused" 5070 #define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota" 5071 #define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused" 5072 #define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota" 5073 5074 #define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE 5075 5076 static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = { 5077 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW }, 5078 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE }, 5079 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE }, 5080 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY }, 5081 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF}, 5082 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD }, 5083 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT }, 5084 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE }, 5085 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE }, 5086 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE }, 5087 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME }, 5088 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK }, 5089 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND }, 5090 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE }, 5091 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT }, 5092 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK }, 5093 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY }, 5094 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY }, 5095 5096 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA }, 5097 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED }, 5098 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP }, 5099 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA }, 5100 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED }, 5101 { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA }, 5102 { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED }, 5103 { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA }, 5104 { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED }, 5105 { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED }, 5106 { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA }, 5107 { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED }, 5108 { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA }, 5109 { NULL, ZFS_DELEG_NOTE_NONE } 5110 }; 5111 5112 /* permission structure */ 5113 typedef struct deleg_perm { 5114 zfs_deleg_who_type_t dp_who_type; 5115 const char *dp_name; 5116 boolean_t dp_local; 5117 boolean_t dp_descend; 5118 } deleg_perm_t; 5119 5120 /* */ 5121 typedef struct deleg_perm_node { 5122 deleg_perm_t dpn_perm; 5123 5124 uu_avl_node_t dpn_avl_node; 5125 } deleg_perm_node_t; 5126 5127 typedef struct fs_perm fs_perm_t; 5128 5129 /* permissions set */ 5130 typedef struct who_perm { 5131 zfs_deleg_who_type_t who_type; 5132 const char *who_name; /* id */ 5133 char who_ug_name[256]; /* user/group name */ 5134 fs_perm_t *who_fsperm; /* uplink */ 5135 5136 uu_avl_t *who_deleg_perm_avl; /* permissions */ 5137 } who_perm_t; 5138 5139 /* */ 5140 typedef struct who_perm_node { 5141 who_perm_t who_perm; 5142 uu_avl_node_t who_avl_node; 5143 } who_perm_node_t; 5144 5145 typedef struct fs_perm_set fs_perm_set_t; 5146 /* fs permissions */ 5147 struct fs_perm { 5148 const char *fsp_name; 5149 5150 uu_avl_t *fsp_sc_avl; /* sets,create */ 5151 uu_avl_t *fsp_uge_avl; /* user,group,everyone */ 5152 5153 fs_perm_set_t *fsp_set; /* uplink */ 5154 }; 5155 5156 /* */ 5157 typedef struct fs_perm_node { 5158 fs_perm_t fspn_fsperm; 5159 uu_avl_t *fspn_avl; 5160 5161 uu_list_node_t fspn_list_node; 5162 } fs_perm_node_t; 5163 5164 /* top level structure */ 5165 struct fs_perm_set { 5166 uu_list_pool_t *fsps_list_pool; 5167 uu_list_t *fsps_list; /* list of fs_perms */ 5168 5169 uu_avl_pool_t *fsps_named_set_avl_pool; 5170 uu_avl_pool_t *fsps_who_perm_avl_pool; 5171 uu_avl_pool_t *fsps_deleg_perm_avl_pool; 5172 }; 5173 5174 static inline const char * 5175 deleg_perm_type(zfs_deleg_note_t note) 5176 { 5177 /* subcommands */ 5178 switch (note) { 5179 /* SUBCOMMANDS */ 5180 /* OTHER */ 5181 case ZFS_DELEG_NOTE_GROUPQUOTA: 5182 case ZFS_DELEG_NOTE_GROUPUSED: 5183 case ZFS_DELEG_NOTE_USERPROP: 5184 case ZFS_DELEG_NOTE_USERQUOTA: 5185 case ZFS_DELEG_NOTE_USERUSED: 5186 case ZFS_DELEG_NOTE_USEROBJQUOTA: 5187 case ZFS_DELEG_NOTE_USEROBJUSED: 5188 case ZFS_DELEG_NOTE_GROUPOBJQUOTA: 5189 case ZFS_DELEG_NOTE_GROUPOBJUSED: 5190 case ZFS_DELEG_NOTE_PROJECTUSED: 5191 case ZFS_DELEG_NOTE_PROJECTQUOTA: 5192 case ZFS_DELEG_NOTE_PROJECTOBJUSED: 5193 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA: 5194 /* other */ 5195 return (gettext("other")); 5196 default: 5197 return (gettext("subcommand")); 5198 } 5199 } 5200 5201 static int 5202 who_type2weight(zfs_deleg_who_type_t who_type) 5203 { 5204 int res; 5205 switch (who_type) { 5206 case ZFS_DELEG_NAMED_SET_SETS: 5207 case ZFS_DELEG_NAMED_SET: 5208 res = 0; 5209 break; 5210 case ZFS_DELEG_CREATE_SETS: 5211 case ZFS_DELEG_CREATE: 5212 res = 1; 5213 break; 5214 case ZFS_DELEG_USER_SETS: 5215 case ZFS_DELEG_USER: 5216 res = 2; 5217 break; 5218 case ZFS_DELEG_GROUP_SETS: 5219 case ZFS_DELEG_GROUP: 5220 res = 3; 5221 break; 5222 case ZFS_DELEG_EVERYONE_SETS: 5223 case ZFS_DELEG_EVERYONE: 5224 res = 4; 5225 break; 5226 default: 5227 res = -1; 5228 } 5229 5230 return (res); 5231 } 5232 5233 static int 5234 who_perm_compare(const void *larg, const void *rarg, void *unused) 5235 { 5236 (void) unused; 5237 const who_perm_node_t *l = larg; 5238 const who_perm_node_t *r = rarg; 5239 zfs_deleg_who_type_t ltype = l->who_perm.who_type; 5240 zfs_deleg_who_type_t rtype = r->who_perm.who_type; 5241 int lweight = who_type2weight(ltype); 5242 int rweight = who_type2weight(rtype); 5243 int res = lweight - rweight; 5244 if (res == 0) 5245 res = strncmp(l->who_perm.who_name, r->who_perm.who_name, 5246 ZFS_MAX_DELEG_NAME-1); 5247 5248 if (res == 0) 5249 return (0); 5250 if (res > 0) 5251 return (1); 5252 else 5253 return (-1); 5254 } 5255 5256 static int 5257 deleg_perm_compare(const void *larg, const void *rarg, void *unused) 5258 { 5259 (void) unused; 5260 const deleg_perm_node_t *l = larg; 5261 const deleg_perm_node_t *r = rarg; 5262 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name, 5263 ZFS_MAX_DELEG_NAME-1); 5264 5265 if (res == 0) 5266 return (0); 5267 5268 if (res > 0) 5269 return (1); 5270 else 5271 return (-1); 5272 } 5273 5274 static inline void 5275 fs_perm_set_init(fs_perm_set_t *fspset) 5276 { 5277 memset(fspset, 0, sizeof (fs_perm_set_t)); 5278 5279 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool", 5280 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node), 5281 NULL, UU_DEFAULT)) == NULL) 5282 nomem(); 5283 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL, 5284 UU_DEFAULT)) == NULL) 5285 nomem(); 5286 5287 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create( 5288 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof( 5289 who_perm_node_t, who_avl_node), who_perm_compare, 5290 UU_DEFAULT)) == NULL) 5291 nomem(); 5292 5293 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create( 5294 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof( 5295 who_perm_node_t, who_avl_node), who_perm_compare, 5296 UU_DEFAULT)) == NULL) 5297 nomem(); 5298 5299 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create( 5300 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof( 5301 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT)) 5302 == NULL) 5303 nomem(); 5304 } 5305 5306 static inline void fs_perm_fini(fs_perm_t *); 5307 static inline void who_perm_fini(who_perm_t *); 5308 5309 static inline void 5310 fs_perm_set_fini(fs_perm_set_t *fspset) 5311 { 5312 fs_perm_node_t *node = uu_list_first(fspset->fsps_list); 5313 5314 while (node != NULL) { 5315 fs_perm_node_t *next_node = 5316 uu_list_next(fspset->fsps_list, node); 5317 fs_perm_t *fsperm = &node->fspn_fsperm; 5318 fs_perm_fini(fsperm); 5319 uu_list_remove(fspset->fsps_list, node); 5320 free(node); 5321 node = next_node; 5322 } 5323 5324 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool); 5325 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool); 5326 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool); 5327 } 5328 5329 static inline void 5330 deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type, 5331 const char *name) 5332 { 5333 deleg_perm->dp_who_type = type; 5334 deleg_perm->dp_name = name; 5335 } 5336 5337 static inline void 5338 who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm, 5339 zfs_deleg_who_type_t type, const char *name) 5340 { 5341 uu_avl_pool_t *pool; 5342 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool; 5343 5344 memset(who_perm, 0, sizeof (who_perm_t)); 5345 5346 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL, 5347 UU_DEFAULT)) == NULL) 5348 nomem(); 5349 5350 who_perm->who_type = type; 5351 who_perm->who_name = name; 5352 who_perm->who_fsperm = fsperm; 5353 } 5354 5355 static inline void 5356 who_perm_fini(who_perm_t *who_perm) 5357 { 5358 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl); 5359 5360 while (node != NULL) { 5361 deleg_perm_node_t *next_node = 5362 uu_avl_next(who_perm->who_deleg_perm_avl, node); 5363 5364 uu_avl_remove(who_perm->who_deleg_perm_avl, node); 5365 free(node); 5366 node = next_node; 5367 } 5368 5369 uu_avl_destroy(who_perm->who_deleg_perm_avl); 5370 } 5371 5372 static inline void 5373 fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname) 5374 { 5375 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool; 5376 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool; 5377 5378 memset(fsperm, 0, sizeof (fs_perm_t)); 5379 5380 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT)) 5381 == NULL) 5382 nomem(); 5383 5384 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT)) 5385 == NULL) 5386 nomem(); 5387 5388 fsperm->fsp_set = fspset; 5389 fsperm->fsp_name = fsname; 5390 } 5391 5392 static inline void 5393 fs_perm_fini(fs_perm_t *fsperm) 5394 { 5395 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl); 5396 while (node != NULL) { 5397 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl, 5398 node); 5399 who_perm_t *who_perm = &node->who_perm; 5400 who_perm_fini(who_perm); 5401 uu_avl_remove(fsperm->fsp_sc_avl, node); 5402 free(node); 5403 node = next_node; 5404 } 5405 5406 node = uu_avl_first(fsperm->fsp_uge_avl); 5407 while (node != NULL) { 5408 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl, 5409 node); 5410 who_perm_t *who_perm = &node->who_perm; 5411 who_perm_fini(who_perm); 5412 uu_avl_remove(fsperm->fsp_uge_avl, node); 5413 free(node); 5414 node = next_node; 5415 } 5416 5417 uu_avl_destroy(fsperm->fsp_sc_avl); 5418 uu_avl_destroy(fsperm->fsp_uge_avl); 5419 } 5420 5421 static void 5422 set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node, 5423 zfs_deleg_who_type_t who_type, const char *name, char locality) 5424 { 5425 uu_avl_index_t idx = 0; 5426 5427 deleg_perm_node_t *found_node = NULL; 5428 deleg_perm_t *deleg_perm = &node->dpn_perm; 5429 5430 deleg_perm_init(deleg_perm, who_type, name); 5431 5432 if ((found_node = uu_avl_find(avl, node, NULL, &idx)) 5433 == NULL) 5434 uu_avl_insert(avl, node, idx); 5435 else { 5436 node = found_node; 5437 deleg_perm = &node->dpn_perm; 5438 } 5439 5440 5441 switch (locality) { 5442 case ZFS_DELEG_LOCAL: 5443 deleg_perm->dp_local = B_TRUE; 5444 break; 5445 case ZFS_DELEG_DESCENDENT: 5446 deleg_perm->dp_descend = B_TRUE; 5447 break; 5448 case ZFS_DELEG_NA: 5449 break; 5450 default: 5451 assert(B_FALSE); /* invalid locality */ 5452 } 5453 } 5454 5455 static inline int 5456 parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality) 5457 { 5458 nvpair_t *nvp = NULL; 5459 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set; 5460 uu_avl_t *avl = who_perm->who_deleg_perm_avl; 5461 zfs_deleg_who_type_t who_type = who_perm->who_type; 5462 5463 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 5464 const char *name = nvpair_name(nvp); 5465 data_type_t type = nvpair_type(nvp); 5466 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool; 5467 deleg_perm_node_t *node = 5468 safe_malloc(sizeof (deleg_perm_node_t)); 5469 5470 VERIFY(type == DATA_TYPE_BOOLEAN); 5471 5472 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool); 5473 set_deleg_perm_node(avl, node, who_type, name, locality); 5474 } 5475 5476 return (0); 5477 } 5478 5479 static inline int 5480 parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl) 5481 { 5482 nvpair_t *nvp = NULL; 5483 fs_perm_set_t *fspset = fsperm->fsp_set; 5484 5485 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 5486 nvlist_t *nvl2 = NULL; 5487 const char *name = nvpair_name(nvp); 5488 uu_avl_t *avl = NULL; 5489 uu_avl_pool_t *avl_pool = NULL; 5490 zfs_deleg_who_type_t perm_type = name[0]; 5491 char perm_locality = name[1]; 5492 const char *perm_name = name + 3; 5493 who_perm_t *who_perm = NULL; 5494 5495 assert('$' == name[2]); 5496 5497 if (nvpair_value_nvlist(nvp, &nvl2) != 0) 5498 return (-1); 5499 5500 switch (perm_type) { 5501 case ZFS_DELEG_CREATE: 5502 case ZFS_DELEG_CREATE_SETS: 5503 case ZFS_DELEG_NAMED_SET: 5504 case ZFS_DELEG_NAMED_SET_SETS: 5505 avl_pool = fspset->fsps_named_set_avl_pool; 5506 avl = fsperm->fsp_sc_avl; 5507 break; 5508 case ZFS_DELEG_USER: 5509 case ZFS_DELEG_USER_SETS: 5510 case ZFS_DELEG_GROUP: 5511 case ZFS_DELEG_GROUP_SETS: 5512 case ZFS_DELEG_EVERYONE: 5513 case ZFS_DELEG_EVERYONE_SETS: 5514 avl_pool = fspset->fsps_who_perm_avl_pool; 5515 avl = fsperm->fsp_uge_avl; 5516 break; 5517 5518 default: 5519 assert(!"unhandled zfs_deleg_who_type_t"); 5520 } 5521 5522 who_perm_node_t *found_node = NULL; 5523 who_perm_node_t *node = safe_malloc( 5524 sizeof (who_perm_node_t)); 5525 who_perm = &node->who_perm; 5526 uu_avl_index_t idx = 0; 5527 5528 uu_avl_node_init(node, &node->who_avl_node, avl_pool); 5529 who_perm_init(who_perm, fsperm, perm_type, perm_name); 5530 5531 if ((found_node = uu_avl_find(avl, node, NULL, &idx)) 5532 == NULL) { 5533 if (avl == fsperm->fsp_uge_avl) { 5534 uid_t rid = 0; 5535 struct passwd *p = NULL; 5536 struct group *g = NULL; 5537 const char *nice_name = NULL; 5538 5539 switch (perm_type) { 5540 case ZFS_DELEG_USER_SETS: 5541 case ZFS_DELEG_USER: 5542 rid = atoi(perm_name); 5543 p = getpwuid(rid); 5544 if (p) 5545 nice_name = p->pw_name; 5546 break; 5547 case ZFS_DELEG_GROUP_SETS: 5548 case ZFS_DELEG_GROUP: 5549 rid = atoi(perm_name); 5550 g = getgrgid(rid); 5551 if (g) 5552 nice_name = g->gr_name; 5553 break; 5554 5555 default: 5556 break; 5557 } 5558 5559 if (nice_name != NULL) { 5560 (void) strlcpy( 5561 node->who_perm.who_ug_name, 5562 nice_name, 256); 5563 } else { 5564 /* User or group unknown */ 5565 (void) snprintf( 5566 node->who_perm.who_ug_name, 5567 sizeof (node->who_perm.who_ug_name), 5568 "(unknown: %d)", rid); 5569 } 5570 } 5571 5572 uu_avl_insert(avl, node, idx); 5573 } else { 5574 node = found_node; 5575 who_perm = &node->who_perm; 5576 } 5577 5578 assert(who_perm != NULL); 5579 (void) parse_who_perm(who_perm, nvl2, perm_locality); 5580 } 5581 5582 return (0); 5583 } 5584 5585 static inline int 5586 parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl) 5587 { 5588 nvpair_t *nvp = NULL; 5589 uu_avl_index_t idx = 0; 5590 5591 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 5592 nvlist_t *nvl2 = NULL; 5593 const char *fsname = nvpair_name(nvp); 5594 data_type_t type = nvpair_type(nvp); 5595 fs_perm_t *fsperm = NULL; 5596 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t)); 5597 5598 fsperm = &node->fspn_fsperm; 5599 5600 VERIFY(DATA_TYPE_NVLIST == type); 5601 5602 uu_list_node_init(node, &node->fspn_list_node, 5603 fspset->fsps_list_pool); 5604 5605 idx = uu_list_numnodes(fspset->fsps_list); 5606 fs_perm_init(fsperm, fspset, fsname); 5607 5608 if (nvpair_value_nvlist(nvp, &nvl2) != 0) 5609 return (-1); 5610 5611 (void) parse_fs_perm(fsperm, nvl2); 5612 5613 uu_list_insert(fspset->fsps_list, node, idx); 5614 } 5615 5616 return (0); 5617 } 5618 5619 static inline const char * 5620 deleg_perm_comment(zfs_deleg_note_t note) 5621 { 5622 const char *str = ""; 5623 5624 /* subcommands */ 5625 switch (note) { 5626 /* SUBCOMMANDS */ 5627 case ZFS_DELEG_NOTE_ALLOW: 5628 str = gettext("Must also have the permission that is being" 5629 "\n\t\t\t\tallowed"); 5630 break; 5631 case ZFS_DELEG_NOTE_CLONE: 5632 str = gettext("Must also have the 'create' ability and 'mount'" 5633 "\n\t\t\t\tability in the origin file system"); 5634 break; 5635 case ZFS_DELEG_NOTE_CREATE: 5636 str = gettext("Must also have the 'mount' ability"); 5637 break; 5638 case ZFS_DELEG_NOTE_DESTROY: 5639 str = gettext("Must also have the 'mount' ability"); 5640 break; 5641 case ZFS_DELEG_NOTE_DIFF: 5642 str = gettext("Allows lookup of paths within a dataset;" 5643 "\n\t\t\t\tgiven an object number. Ordinary users need this" 5644 "\n\t\t\t\tin order to use zfs diff"); 5645 break; 5646 case ZFS_DELEG_NOTE_HOLD: 5647 str = gettext("Allows adding a user hold to a snapshot"); 5648 break; 5649 case ZFS_DELEG_NOTE_MOUNT: 5650 str = gettext("Allows mount/umount of ZFS datasets"); 5651 break; 5652 case ZFS_DELEG_NOTE_PROMOTE: 5653 str = gettext("Must also have the 'mount'\n\t\t\t\tand" 5654 " 'promote' ability in the origin file system"); 5655 break; 5656 case ZFS_DELEG_NOTE_RECEIVE: 5657 str = gettext("Must also have the 'mount' and 'create'" 5658 " ability"); 5659 break; 5660 case ZFS_DELEG_NOTE_RELEASE: 5661 str = gettext("Allows releasing a user hold which\n\t\t\t\t" 5662 "might destroy the snapshot"); 5663 break; 5664 case ZFS_DELEG_NOTE_RENAME: 5665 str = gettext("Must also have the 'mount' and 'create'" 5666 "\n\t\t\t\tability in the new parent"); 5667 break; 5668 case ZFS_DELEG_NOTE_ROLLBACK: 5669 str = gettext(""); 5670 break; 5671 case ZFS_DELEG_NOTE_SEND: 5672 str = gettext(""); 5673 break; 5674 case ZFS_DELEG_NOTE_SHARE: 5675 str = gettext("Allows sharing file systems over NFS or SMB" 5676 "\n\t\t\t\tprotocols"); 5677 break; 5678 case ZFS_DELEG_NOTE_SNAPSHOT: 5679 str = gettext(""); 5680 break; 5681 case ZFS_DELEG_NOTE_LOAD_KEY: 5682 str = gettext("Allows loading or unloading an encryption key"); 5683 break; 5684 case ZFS_DELEG_NOTE_CHANGE_KEY: 5685 str = gettext("Allows changing or adding an encryption key"); 5686 break; 5687 /* 5688 * case ZFS_DELEG_NOTE_VSCAN: 5689 * str = gettext(""); 5690 * break; 5691 */ 5692 /* OTHER */ 5693 case ZFS_DELEG_NOTE_GROUPQUOTA: 5694 str = gettext("Allows accessing any groupquota@... property"); 5695 break; 5696 case ZFS_DELEG_NOTE_GROUPUSED: 5697 str = gettext("Allows reading any groupused@... property"); 5698 break; 5699 case ZFS_DELEG_NOTE_USERPROP: 5700 str = gettext("Allows changing any user property"); 5701 break; 5702 case ZFS_DELEG_NOTE_USERQUOTA: 5703 str = gettext("Allows accessing any userquota@... property"); 5704 break; 5705 case ZFS_DELEG_NOTE_USERUSED: 5706 str = gettext("Allows reading any userused@... property"); 5707 break; 5708 case ZFS_DELEG_NOTE_USEROBJQUOTA: 5709 str = gettext("Allows accessing any userobjquota@... property"); 5710 break; 5711 case ZFS_DELEG_NOTE_GROUPOBJQUOTA: 5712 str = gettext("Allows accessing any \n\t\t\t\t" 5713 "groupobjquota@... property"); 5714 break; 5715 case ZFS_DELEG_NOTE_GROUPOBJUSED: 5716 str = gettext("Allows reading any groupobjused@... property"); 5717 break; 5718 case ZFS_DELEG_NOTE_USEROBJUSED: 5719 str = gettext("Allows reading any userobjused@... property"); 5720 break; 5721 case ZFS_DELEG_NOTE_PROJECTQUOTA: 5722 str = gettext("Allows accessing any projectquota@... property"); 5723 break; 5724 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA: 5725 str = gettext("Allows accessing any \n\t\t\t\t" 5726 "projectobjquota@... property"); 5727 break; 5728 case ZFS_DELEG_NOTE_PROJECTUSED: 5729 str = gettext("Allows reading any projectused@... property"); 5730 break; 5731 case ZFS_DELEG_NOTE_PROJECTOBJUSED: 5732 str = gettext("Allows accessing any \n\t\t\t\t" 5733 "projectobjused@... property"); 5734 break; 5735 /* other */ 5736 default: 5737 str = ""; 5738 } 5739 5740 return (str); 5741 } 5742 5743 struct allow_opts { 5744 boolean_t local; 5745 boolean_t descend; 5746 boolean_t user; 5747 boolean_t group; 5748 boolean_t everyone; 5749 boolean_t create; 5750 boolean_t set; 5751 boolean_t recursive; /* unallow only */ 5752 boolean_t prt_usage; 5753 5754 boolean_t prt_perms; 5755 char *who; 5756 char *perms; 5757 const char *dataset; 5758 }; 5759 5760 static inline int 5761 prop_cmp(const void *a, const void *b) 5762 { 5763 const char *str1 = *(const char **)a; 5764 const char *str2 = *(const char **)b; 5765 return (strcmp(str1, str2)); 5766 } 5767 5768 static void 5769 allow_usage(boolean_t un, boolean_t requested, const char *msg) 5770 { 5771 const char *opt_desc[] = { 5772 "-h", gettext("show this help message and exit"), 5773 "-l", gettext("set permission locally"), 5774 "-d", gettext("set permission for descents"), 5775 "-u", gettext("set permission for user"), 5776 "-g", gettext("set permission for group"), 5777 "-e", gettext("set permission for everyone"), 5778 "-c", gettext("set create time permission"), 5779 "-s", gettext("define permission set"), 5780 /* unallow only */ 5781 "-r", gettext("remove permissions recursively"), 5782 }; 5783 size_t unallow_size = sizeof (opt_desc) / sizeof (char *); 5784 size_t allow_size = unallow_size - 2; 5785 const char *props[ZFS_NUM_PROPS]; 5786 int i; 5787 size_t count = 0; 5788 FILE *fp = requested ? stdout : stderr; 5789 zprop_desc_t *pdtbl = zfs_prop_get_table(); 5790 const char *fmt = gettext("%-16s %-14s\t%s\n"); 5791 5792 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW : 5793 HELP_ALLOW)); 5794 (void) fprintf(fp, gettext("Options:\n")); 5795 for (i = 0; i < (un ? unallow_size : allow_size); i += 2) { 5796 const char *opt = opt_desc[i]; 5797 const char *optdsc = opt_desc[i + 1]; 5798 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc); 5799 } 5800 5801 (void) fprintf(fp, gettext("\nThe following permissions are " 5802 "supported:\n\n")); 5803 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"), 5804 gettext("NOTES")); 5805 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) { 5806 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm; 5807 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note; 5808 const char *perm_type = deleg_perm_type(perm_note); 5809 const char *perm_comment = deleg_perm_comment(perm_note); 5810 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment); 5811 } 5812 5813 for (i = 0; i < ZFS_NUM_PROPS; i++) { 5814 zprop_desc_t *pd = &pdtbl[i]; 5815 if (pd->pd_visible != B_TRUE) 5816 continue; 5817 5818 if (pd->pd_attr == PROP_READONLY) 5819 continue; 5820 5821 props[count++] = pd->pd_name; 5822 } 5823 props[count] = NULL; 5824 5825 qsort(props, count, sizeof (char *), prop_cmp); 5826 5827 for (i = 0; i < count; i++) 5828 (void) fprintf(fp, fmt, props[i], gettext("property"), ""); 5829 5830 if (msg != NULL) 5831 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg); 5832 5833 exit(requested ? 0 : 2); 5834 } 5835 5836 static inline const char * 5837 munge_args(int argc, char **argv, boolean_t un, size_t expected_argc, 5838 char **permsp) 5839 { 5840 if (un && argc == expected_argc - 1) 5841 *permsp = NULL; 5842 else if (argc == expected_argc) 5843 *permsp = argv[argc - 2]; 5844 else 5845 allow_usage(un, B_FALSE, 5846 gettext("wrong number of parameters\n")); 5847 5848 return (argv[argc - 1]); 5849 } 5850 5851 static void 5852 parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts) 5853 { 5854 int uge_sum = opts->user + opts->group + opts->everyone; 5855 int csuge_sum = opts->create + opts->set + uge_sum; 5856 int ldcsuge_sum = csuge_sum + opts->local + opts->descend; 5857 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum; 5858 5859 if (uge_sum > 1) 5860 allow_usage(un, B_FALSE, 5861 gettext("-u, -g, and -e are mutually exclusive\n")); 5862 5863 if (opts->prt_usage) { 5864 if (argc == 0 && all_sum == 0) 5865 allow_usage(un, B_TRUE, NULL); 5866 else 5867 usage(B_FALSE); 5868 } 5869 5870 if (opts->set) { 5871 if (csuge_sum > 1) 5872 allow_usage(un, B_FALSE, 5873 gettext("invalid options combined with -s\n")); 5874 5875 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); 5876 if (argv[0][0] != '@') 5877 allow_usage(un, B_FALSE, 5878 gettext("invalid set name: missing '@' prefix\n")); 5879 opts->who = argv[0]; 5880 } else if (opts->create) { 5881 if (ldcsuge_sum > 1) 5882 allow_usage(un, B_FALSE, 5883 gettext("invalid options combined with -c\n")); 5884 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 5885 } else if (opts->everyone) { 5886 if (csuge_sum > 1) 5887 allow_usage(un, B_FALSE, 5888 gettext("invalid options combined with -e\n")); 5889 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 5890 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone") 5891 == 0) { 5892 opts->everyone = B_TRUE; 5893 argc--; 5894 argv++; 5895 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 5896 } else if (argc == 1 && !un) { 5897 opts->prt_perms = B_TRUE; 5898 opts->dataset = argv[argc-1]; 5899 } else { 5900 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); 5901 opts->who = argv[0]; 5902 } 5903 5904 if (!opts->local && !opts->descend) { 5905 opts->local = B_TRUE; 5906 opts->descend = B_TRUE; 5907 } 5908 } 5909 5910 static void 5911 store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend, 5912 const char *who, char *perms, nvlist_t *top_nvl) 5913 { 5914 int i; 5915 char ld[2] = { '\0', '\0' }; 5916 char who_buf[MAXNAMELEN + 32]; 5917 char base_type = '\0'; 5918 char set_type = '\0'; 5919 nvlist_t *base_nvl = NULL; 5920 nvlist_t *set_nvl = NULL; 5921 nvlist_t *nvl; 5922 5923 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0) 5924 nomem(); 5925 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0) 5926 nomem(); 5927 5928 switch (type) { 5929 case ZFS_DELEG_NAMED_SET_SETS: 5930 case ZFS_DELEG_NAMED_SET: 5931 set_type = ZFS_DELEG_NAMED_SET_SETS; 5932 base_type = ZFS_DELEG_NAMED_SET; 5933 ld[0] = ZFS_DELEG_NA; 5934 break; 5935 case ZFS_DELEG_CREATE_SETS: 5936 case ZFS_DELEG_CREATE: 5937 set_type = ZFS_DELEG_CREATE_SETS; 5938 base_type = ZFS_DELEG_CREATE; 5939 ld[0] = ZFS_DELEG_NA; 5940 break; 5941 case ZFS_DELEG_USER_SETS: 5942 case ZFS_DELEG_USER: 5943 set_type = ZFS_DELEG_USER_SETS; 5944 base_type = ZFS_DELEG_USER; 5945 if (local) 5946 ld[0] = ZFS_DELEG_LOCAL; 5947 if (descend) 5948 ld[1] = ZFS_DELEG_DESCENDENT; 5949 break; 5950 case ZFS_DELEG_GROUP_SETS: 5951 case ZFS_DELEG_GROUP: 5952 set_type = ZFS_DELEG_GROUP_SETS; 5953 base_type = ZFS_DELEG_GROUP; 5954 if (local) 5955 ld[0] = ZFS_DELEG_LOCAL; 5956 if (descend) 5957 ld[1] = ZFS_DELEG_DESCENDENT; 5958 break; 5959 case ZFS_DELEG_EVERYONE_SETS: 5960 case ZFS_DELEG_EVERYONE: 5961 set_type = ZFS_DELEG_EVERYONE_SETS; 5962 base_type = ZFS_DELEG_EVERYONE; 5963 if (local) 5964 ld[0] = ZFS_DELEG_LOCAL; 5965 if (descend) 5966 ld[1] = ZFS_DELEG_DESCENDENT; 5967 break; 5968 5969 default: 5970 assert(set_type != '\0' && base_type != '\0'); 5971 } 5972 5973 if (perms != NULL) { 5974 char *curr = perms; 5975 char *end = curr + strlen(perms); 5976 5977 while (curr < end) { 5978 char *delim = strchr(curr, ','); 5979 if (delim == NULL) 5980 delim = end; 5981 else 5982 *delim = '\0'; 5983 5984 if (curr[0] == '@') 5985 nvl = set_nvl; 5986 else 5987 nvl = base_nvl; 5988 5989 (void) nvlist_add_boolean(nvl, curr); 5990 if (delim != end) 5991 *delim = ','; 5992 curr = delim + 1; 5993 } 5994 5995 for (i = 0; i < 2; i++) { 5996 char locality = ld[i]; 5997 if (locality == 0) 5998 continue; 5999 6000 if (!nvlist_empty(base_nvl)) { 6001 if (who != NULL) 6002 (void) snprintf(who_buf, 6003 sizeof (who_buf), "%c%c$%s", 6004 base_type, locality, who); 6005 else 6006 (void) snprintf(who_buf, 6007 sizeof (who_buf), "%c%c$", 6008 base_type, locality); 6009 6010 (void) nvlist_add_nvlist(top_nvl, who_buf, 6011 base_nvl); 6012 } 6013 6014 6015 if (!nvlist_empty(set_nvl)) { 6016 if (who != NULL) 6017 (void) snprintf(who_buf, 6018 sizeof (who_buf), "%c%c$%s", 6019 set_type, locality, who); 6020 else 6021 (void) snprintf(who_buf, 6022 sizeof (who_buf), "%c%c$", 6023 set_type, locality); 6024 6025 (void) nvlist_add_nvlist(top_nvl, who_buf, 6026 set_nvl); 6027 } 6028 } 6029 } else { 6030 for (i = 0; i < 2; i++) { 6031 char locality = ld[i]; 6032 if (locality == 0) 6033 continue; 6034 6035 if (who != NULL) 6036 (void) snprintf(who_buf, sizeof (who_buf), 6037 "%c%c$%s", base_type, locality, who); 6038 else 6039 (void) snprintf(who_buf, sizeof (who_buf), 6040 "%c%c$", base_type, locality); 6041 (void) nvlist_add_boolean(top_nvl, who_buf); 6042 6043 if (who != NULL) 6044 (void) snprintf(who_buf, sizeof (who_buf), 6045 "%c%c$%s", set_type, locality, who); 6046 else 6047 (void) snprintf(who_buf, sizeof (who_buf), 6048 "%c%c$", set_type, locality); 6049 (void) nvlist_add_boolean(top_nvl, who_buf); 6050 } 6051 } 6052 } 6053 6054 static int 6055 construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp) 6056 { 6057 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0) 6058 nomem(); 6059 6060 if (opts->set) { 6061 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local, 6062 opts->descend, opts->who, opts->perms, *nvlp); 6063 } else if (opts->create) { 6064 store_allow_perm(ZFS_DELEG_CREATE, opts->local, 6065 opts->descend, NULL, opts->perms, *nvlp); 6066 } else if (opts->everyone) { 6067 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local, 6068 opts->descend, NULL, opts->perms, *nvlp); 6069 } else { 6070 char *curr = opts->who; 6071 char *end = curr + strlen(curr); 6072 6073 while (curr < end) { 6074 const char *who; 6075 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN; 6076 char *endch; 6077 char *delim = strchr(curr, ','); 6078 char errbuf[256]; 6079 char id[64]; 6080 struct passwd *p = NULL; 6081 struct group *g = NULL; 6082 6083 uid_t rid; 6084 if (delim == NULL) 6085 delim = end; 6086 else 6087 *delim = '\0'; 6088 6089 rid = (uid_t)strtol(curr, &endch, 0); 6090 if (opts->user) { 6091 who_type = ZFS_DELEG_USER; 6092 if (*endch != '\0') 6093 p = getpwnam(curr); 6094 else 6095 p = getpwuid(rid); 6096 6097 if (p != NULL) 6098 rid = p->pw_uid; 6099 else if (*endch != '\0') { 6100 (void) snprintf(errbuf, sizeof (errbuf), 6101 gettext("invalid user %s\n"), curr); 6102 allow_usage(un, B_TRUE, errbuf); 6103 } 6104 } else if (opts->group) { 6105 who_type = ZFS_DELEG_GROUP; 6106 if (*endch != '\0') 6107 g = getgrnam(curr); 6108 else 6109 g = getgrgid(rid); 6110 6111 if (g != NULL) 6112 rid = g->gr_gid; 6113 else if (*endch != '\0') { 6114 (void) snprintf(errbuf, sizeof (errbuf), 6115 gettext("invalid group %s\n"), 6116 curr); 6117 allow_usage(un, B_TRUE, errbuf); 6118 } 6119 } else { 6120 if (*endch != '\0') { 6121 p = getpwnam(curr); 6122 } else { 6123 p = getpwuid(rid); 6124 } 6125 6126 if (p == NULL) { 6127 if (*endch != '\0') { 6128 g = getgrnam(curr); 6129 } else { 6130 g = getgrgid(rid); 6131 } 6132 } 6133 6134 if (p != NULL) { 6135 who_type = ZFS_DELEG_USER; 6136 rid = p->pw_uid; 6137 } else if (g != NULL) { 6138 who_type = ZFS_DELEG_GROUP; 6139 rid = g->gr_gid; 6140 } else { 6141 (void) snprintf(errbuf, sizeof (errbuf), 6142 gettext("invalid user/group %s\n"), 6143 curr); 6144 allow_usage(un, B_TRUE, errbuf); 6145 } 6146 } 6147 6148 (void) sprintf(id, "%u", rid); 6149 who = id; 6150 6151 store_allow_perm(who_type, opts->local, 6152 opts->descend, who, opts->perms, *nvlp); 6153 curr = delim + 1; 6154 } 6155 } 6156 6157 return (0); 6158 } 6159 6160 static void 6161 print_set_creat_perms(uu_avl_t *who_avl) 6162 { 6163 const char *sc_title[] = { 6164 gettext("Permission sets:\n"), 6165 gettext("Create time permissions:\n"), 6166 NULL 6167 }; 6168 who_perm_node_t *who_node = NULL; 6169 int prev_weight = -1; 6170 6171 for (who_node = uu_avl_first(who_avl); who_node != NULL; 6172 who_node = uu_avl_next(who_avl, who_node)) { 6173 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; 6174 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; 6175 const char *who_name = who_node->who_perm.who_name; 6176 int weight = who_type2weight(who_type); 6177 boolean_t first = B_TRUE; 6178 deleg_perm_node_t *deleg_node; 6179 6180 if (prev_weight != weight) { 6181 (void) printf("%s", sc_title[weight]); 6182 prev_weight = weight; 6183 } 6184 6185 if (who_name == NULL || strnlen(who_name, 1) == 0) 6186 (void) printf("\t"); 6187 else 6188 (void) printf("\t%s ", who_name); 6189 6190 for (deleg_node = uu_avl_first(avl); deleg_node != NULL; 6191 deleg_node = uu_avl_next(avl, deleg_node)) { 6192 if (first) { 6193 (void) printf("%s", 6194 deleg_node->dpn_perm.dp_name); 6195 first = B_FALSE; 6196 } else 6197 (void) printf(",%s", 6198 deleg_node->dpn_perm.dp_name); 6199 } 6200 6201 (void) printf("\n"); 6202 } 6203 } 6204 6205 static void 6206 print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend, 6207 const char *title) 6208 { 6209 who_perm_node_t *who_node = NULL; 6210 boolean_t prt_title = B_TRUE; 6211 uu_avl_walk_t *walk; 6212 6213 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL) 6214 nomem(); 6215 6216 while ((who_node = uu_avl_walk_next(walk)) != NULL) { 6217 const char *who_name = who_node->who_perm.who_name; 6218 const char *nice_who_name = who_node->who_perm.who_ug_name; 6219 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; 6220 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; 6221 char delim = ' '; 6222 deleg_perm_node_t *deleg_node; 6223 boolean_t prt_who = B_TRUE; 6224 6225 for (deleg_node = uu_avl_first(avl); 6226 deleg_node != NULL; 6227 deleg_node = uu_avl_next(avl, deleg_node)) { 6228 if (local != deleg_node->dpn_perm.dp_local || 6229 descend != deleg_node->dpn_perm.dp_descend) 6230 continue; 6231 6232 if (prt_who) { 6233 const char *who = NULL; 6234 if (prt_title) { 6235 prt_title = B_FALSE; 6236 (void) printf("%s", title); 6237 } 6238 6239 switch (who_type) { 6240 case ZFS_DELEG_USER_SETS: 6241 case ZFS_DELEG_USER: 6242 who = gettext("user"); 6243 if (nice_who_name) 6244 who_name = nice_who_name; 6245 break; 6246 case ZFS_DELEG_GROUP_SETS: 6247 case ZFS_DELEG_GROUP: 6248 who = gettext("group"); 6249 if (nice_who_name) 6250 who_name = nice_who_name; 6251 break; 6252 case ZFS_DELEG_EVERYONE_SETS: 6253 case ZFS_DELEG_EVERYONE: 6254 who = gettext("everyone"); 6255 who_name = NULL; 6256 break; 6257 6258 default: 6259 assert(who != NULL); 6260 } 6261 6262 prt_who = B_FALSE; 6263 if (who_name == NULL) 6264 (void) printf("\t%s", who); 6265 else 6266 (void) printf("\t%s %s", who, who_name); 6267 } 6268 6269 (void) printf("%c%s", delim, 6270 deleg_node->dpn_perm.dp_name); 6271 delim = ','; 6272 } 6273 6274 if (!prt_who) 6275 (void) printf("\n"); 6276 } 6277 6278 uu_avl_walk_end(walk); 6279 } 6280 6281 static void 6282 print_fs_perms(fs_perm_set_t *fspset) 6283 { 6284 fs_perm_node_t *node = NULL; 6285 char buf[MAXNAMELEN + 32]; 6286 const char *dsname = buf; 6287 6288 for (node = uu_list_first(fspset->fsps_list); node != NULL; 6289 node = uu_list_next(fspset->fsps_list, node)) { 6290 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl; 6291 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl; 6292 int left = 0; 6293 6294 (void) snprintf(buf, sizeof (buf), 6295 gettext("---- Permissions on %s "), 6296 node->fspn_fsperm.fsp_name); 6297 (void) printf("%s", dsname); 6298 left = 70 - strlen(buf); 6299 while (left-- > 0) 6300 (void) printf("-"); 6301 (void) printf("\n"); 6302 6303 print_set_creat_perms(sc_avl); 6304 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE, 6305 gettext("Local permissions:\n")); 6306 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE, 6307 gettext("Descendent permissions:\n")); 6308 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE, 6309 gettext("Local+Descendent permissions:\n")); 6310 } 6311 } 6312 6313 static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL }; 6314 6315 struct deleg_perms { 6316 boolean_t un; 6317 nvlist_t *nvl; 6318 }; 6319 6320 static int 6321 set_deleg_perms(zfs_handle_t *zhp, void *data) 6322 { 6323 struct deleg_perms *perms = (struct deleg_perms *)data; 6324 zfs_type_t zfs_type = zfs_get_type(zhp); 6325 6326 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME) 6327 return (0); 6328 6329 return (zfs_set_fsacl(zhp, perms->un, perms->nvl)); 6330 } 6331 6332 static int 6333 zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un) 6334 { 6335 zfs_handle_t *zhp; 6336 nvlist_t *perm_nvl = NULL; 6337 nvlist_t *update_perm_nvl = NULL; 6338 int error = 1; 6339 int c; 6340 struct allow_opts opts = { 0 }; 6341 6342 const char *optstr = un ? "ldugecsrh" : "ldugecsh"; 6343 6344 /* check opts */ 6345 while ((c = getopt(argc, argv, optstr)) != -1) { 6346 switch (c) { 6347 case 'l': 6348 opts.local = B_TRUE; 6349 break; 6350 case 'd': 6351 opts.descend = B_TRUE; 6352 break; 6353 case 'u': 6354 opts.user = B_TRUE; 6355 break; 6356 case 'g': 6357 opts.group = B_TRUE; 6358 break; 6359 case 'e': 6360 opts.everyone = B_TRUE; 6361 break; 6362 case 's': 6363 opts.set = B_TRUE; 6364 break; 6365 case 'c': 6366 opts.create = B_TRUE; 6367 break; 6368 case 'r': 6369 opts.recursive = B_TRUE; 6370 break; 6371 case ':': 6372 (void) fprintf(stderr, gettext("missing argument for " 6373 "'%c' option\n"), optopt); 6374 usage(B_FALSE); 6375 break; 6376 case 'h': 6377 opts.prt_usage = B_TRUE; 6378 break; 6379 case '?': 6380 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6381 optopt); 6382 usage(B_FALSE); 6383 } 6384 } 6385 6386 argc -= optind; 6387 argv += optind; 6388 6389 /* check arguments */ 6390 parse_allow_args(argc, argv, un, &opts); 6391 6392 /* try to open the dataset */ 6393 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM | 6394 ZFS_TYPE_VOLUME)) == NULL) { 6395 (void) fprintf(stderr, "Failed to open dataset: %s\n", 6396 opts.dataset); 6397 return (-1); 6398 } 6399 6400 if (zfs_get_fsacl(zhp, &perm_nvl) != 0) 6401 goto cleanup2; 6402 6403 fs_perm_set_init(&fs_perm_set); 6404 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) { 6405 (void) fprintf(stderr, "Failed to parse fsacl permissions\n"); 6406 goto cleanup1; 6407 } 6408 6409 if (opts.prt_perms) 6410 print_fs_perms(&fs_perm_set); 6411 else { 6412 (void) construct_fsacl_list(un, &opts, &update_perm_nvl); 6413 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0) 6414 goto cleanup0; 6415 6416 if (un && opts.recursive) { 6417 struct deleg_perms data = { un, update_perm_nvl }; 6418 if (zfs_iter_filesystems_v2(zhp, 0, set_deleg_perms, 6419 &data) != 0) 6420 goto cleanup0; 6421 } 6422 } 6423 6424 error = 0; 6425 6426 cleanup0: 6427 nvlist_free(perm_nvl); 6428 nvlist_free(update_perm_nvl); 6429 cleanup1: 6430 fs_perm_set_fini(&fs_perm_set); 6431 cleanup2: 6432 zfs_close(zhp); 6433 6434 return (error); 6435 } 6436 6437 static int 6438 zfs_do_allow(int argc, char **argv) 6439 { 6440 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE)); 6441 } 6442 6443 static int 6444 zfs_do_unallow(int argc, char **argv) 6445 { 6446 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE)); 6447 } 6448 6449 static int 6450 zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding) 6451 { 6452 int errors = 0; 6453 int i; 6454 const char *tag; 6455 boolean_t recursive = B_FALSE; 6456 const char *opts = holding ? "rt" : "r"; 6457 int c; 6458 6459 /* check options */ 6460 while ((c = getopt(argc, argv, opts)) != -1) { 6461 switch (c) { 6462 case 'r': 6463 recursive = B_TRUE; 6464 break; 6465 case '?': 6466 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6467 optopt); 6468 usage(B_FALSE); 6469 } 6470 } 6471 6472 argc -= optind; 6473 argv += optind; 6474 6475 /* check number of arguments */ 6476 if (argc < 2) 6477 usage(B_FALSE); 6478 6479 tag = argv[0]; 6480 --argc; 6481 ++argv; 6482 6483 if (holding && tag[0] == '.') { 6484 /* tags starting with '.' are reserved for libzfs */ 6485 (void) fprintf(stderr, gettext("tag may not start with '.'\n")); 6486 usage(B_FALSE); 6487 } 6488 6489 for (i = 0; i < argc; ++i) { 6490 zfs_handle_t *zhp; 6491 char parent[ZFS_MAX_DATASET_NAME_LEN]; 6492 const char *delim; 6493 char *path = argv[i]; 6494 6495 delim = strchr(path, '@'); 6496 if (delim == NULL) { 6497 (void) fprintf(stderr, 6498 gettext("'%s' is not a snapshot\n"), path); 6499 ++errors; 6500 continue; 6501 } 6502 (void) strlcpy(parent, path, MIN(sizeof (parent), 6503 delim - path + 1)); 6504 6505 zhp = zfs_open(g_zfs, parent, 6506 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 6507 if (zhp == NULL) { 6508 ++errors; 6509 continue; 6510 } 6511 if (holding) { 6512 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0) 6513 ++errors; 6514 } else { 6515 if (zfs_release(zhp, delim+1, tag, recursive) != 0) 6516 ++errors; 6517 } 6518 zfs_close(zhp); 6519 } 6520 6521 return (errors != 0); 6522 } 6523 6524 /* 6525 * zfs hold [-r] [-t] <tag> <snap> ... 6526 * 6527 * -r Recursively hold 6528 * 6529 * Apply a user-hold with the given tag to the list of snapshots. 6530 */ 6531 static int 6532 zfs_do_hold(int argc, char **argv) 6533 { 6534 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE)); 6535 } 6536 6537 /* 6538 * zfs release [-r] <tag> <snap> ... 6539 * 6540 * -r Recursively release 6541 * 6542 * Release a user-hold with the given tag from the list of snapshots. 6543 */ 6544 static int 6545 zfs_do_release(int argc, char **argv) 6546 { 6547 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE)); 6548 } 6549 6550 typedef struct holds_cbdata { 6551 boolean_t cb_recursive; 6552 const char *cb_snapname; 6553 nvlist_t **cb_nvlp; 6554 size_t cb_max_namelen; 6555 size_t cb_max_taglen; 6556 } holds_cbdata_t; 6557 6558 #define STRFTIME_FMT_STR "%a %b %e %H:%M %Y" 6559 #define DATETIME_BUF_LEN (32) 6560 /* 6561 * 6562 */ 6563 static void 6564 print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl, 6565 boolean_t parsable) 6566 { 6567 int i; 6568 nvpair_t *nvp = NULL; 6569 const char *const hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" }; 6570 const char *col; 6571 6572 if (!scripted) { 6573 for (i = 0; i < 3; i++) { 6574 col = gettext(hdr_cols[i]); 6575 if (i < 2) 6576 (void) printf("%-*s ", i ? tagwidth : nwidth, 6577 col); 6578 else 6579 (void) printf("%s\n", col); 6580 } 6581 } 6582 6583 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 6584 const char *zname = nvpair_name(nvp); 6585 nvlist_t *nvl2; 6586 nvpair_t *nvp2 = NULL; 6587 (void) nvpair_value_nvlist(nvp, &nvl2); 6588 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) { 6589 char tsbuf[DATETIME_BUF_LEN]; 6590 const char *tagname = nvpair_name(nvp2); 6591 uint64_t val = 0; 6592 time_t time; 6593 struct tm t; 6594 6595 (void) nvpair_value_uint64(nvp2, &val); 6596 time = (time_t)val; 6597 (void) localtime_r(&time, &t); 6598 (void) strftime(tsbuf, DATETIME_BUF_LEN, 6599 gettext(STRFTIME_FMT_STR), &t); 6600 6601 if (scripted) { 6602 if (parsable) { 6603 (void) printf("%s\t%s\t%ld\n", zname, 6604 tagname, (unsigned long)time); 6605 } else { 6606 (void) printf("%s\t%s\t%s\n", zname, 6607 tagname, tsbuf); 6608 } 6609 } else { 6610 if (parsable) { 6611 (void) printf("%-*s %-*s %ld\n", 6612 nwidth, zname, tagwidth, 6613 tagname, (unsigned long)time); 6614 } else { 6615 (void) printf("%-*s %-*s %s\n", 6616 nwidth, zname, tagwidth, 6617 tagname, tsbuf); 6618 } 6619 } 6620 } 6621 } 6622 } 6623 6624 /* 6625 * Generic callback function to list a dataset or snapshot. 6626 */ 6627 static int 6628 holds_callback(zfs_handle_t *zhp, void *data) 6629 { 6630 holds_cbdata_t *cbp = data; 6631 nvlist_t *top_nvl = *cbp->cb_nvlp; 6632 nvlist_t *nvl = NULL; 6633 nvpair_t *nvp = NULL; 6634 const char *zname = zfs_get_name(zhp); 6635 size_t znamelen = strlen(zname); 6636 6637 if (cbp->cb_recursive) { 6638 const char *snapname; 6639 char *delim = strchr(zname, '@'); 6640 if (delim == NULL) 6641 return (0); 6642 6643 snapname = delim + 1; 6644 if (strcmp(cbp->cb_snapname, snapname)) 6645 return (0); 6646 } 6647 6648 if (zfs_get_holds(zhp, &nvl) != 0) 6649 return (-1); 6650 6651 if (znamelen > cbp->cb_max_namelen) 6652 cbp->cb_max_namelen = znamelen; 6653 6654 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 6655 const char *tag = nvpair_name(nvp); 6656 size_t taglen = strlen(tag); 6657 if (taglen > cbp->cb_max_taglen) 6658 cbp->cb_max_taglen = taglen; 6659 } 6660 6661 return (nvlist_add_nvlist(top_nvl, zname, nvl)); 6662 } 6663 6664 /* 6665 * zfs holds [-rHp] <snap> ... 6666 * 6667 * -r Lists holds that are set on the named snapshots recursively. 6668 * -H Scripted mode; elide headers and separate columns by tabs. 6669 * -p Display values in parsable (literal) format. 6670 */ 6671 static int 6672 zfs_do_holds(int argc, char **argv) 6673 { 6674 int c; 6675 boolean_t errors = B_FALSE; 6676 boolean_t scripted = B_FALSE; 6677 boolean_t recursive = B_FALSE; 6678 boolean_t parsable = B_FALSE; 6679 6680 int types = ZFS_TYPE_SNAPSHOT; 6681 holds_cbdata_t cb = { 0 }; 6682 6683 int limit = 0; 6684 int ret = 0; 6685 int flags = 0; 6686 6687 /* check options */ 6688 while ((c = getopt(argc, argv, "rHp")) != -1) { 6689 switch (c) { 6690 case 'r': 6691 recursive = B_TRUE; 6692 break; 6693 case 'H': 6694 scripted = B_TRUE; 6695 break; 6696 case 'p': 6697 parsable = B_TRUE; 6698 break; 6699 case '?': 6700 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6701 optopt); 6702 usage(B_FALSE); 6703 } 6704 } 6705 6706 if (recursive) { 6707 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME; 6708 flags |= ZFS_ITER_RECURSE; 6709 } 6710 6711 argc -= optind; 6712 argv += optind; 6713 6714 /* check number of arguments */ 6715 if (argc < 1) 6716 usage(B_FALSE); 6717 6718 nvlist_t *nvl = fnvlist_alloc(); 6719 6720 for (int i = 0; i < argc; ++i) { 6721 char *snapshot = argv[i]; 6722 const char *delim; 6723 const char *snapname; 6724 6725 delim = strchr(snapshot, '@'); 6726 if (delim == NULL) { 6727 (void) fprintf(stderr, 6728 gettext("'%s' is not a snapshot\n"), snapshot); 6729 errors = B_TRUE; 6730 continue; 6731 } 6732 snapname = delim + 1; 6733 if (recursive) 6734 snapshot[delim - snapshot] = '\0'; 6735 6736 cb.cb_recursive = recursive; 6737 cb.cb_snapname = snapname; 6738 cb.cb_nvlp = &nvl; 6739 6740 /* 6741 * 1. collect holds data, set format options 6742 */ 6743 ret = zfs_for_each(1, argv + i, flags, types, NULL, NULL, limit, 6744 holds_callback, &cb); 6745 if (ret != 0) 6746 errors = B_TRUE; 6747 } 6748 6749 /* 6750 * 2. print holds data 6751 */ 6752 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl, 6753 parsable); 6754 6755 if (nvlist_empty(nvl)) 6756 (void) fprintf(stderr, gettext("no datasets available\n")); 6757 6758 nvlist_free(nvl); 6759 6760 return (errors); 6761 } 6762 6763 #define CHECK_SPINNER 30 6764 #define SPINNER_TIME 3 /* seconds */ 6765 #define MOUNT_TIME 1 /* seconds */ 6766 6767 typedef struct get_all_state { 6768 char **ga_datasets; 6769 int ga_count; 6770 boolean_t ga_verbose; 6771 get_all_cb_t *ga_cbp; 6772 } get_all_state_t; 6773 6774 static int 6775 get_one_dataset(zfs_handle_t *zhp, void *data) 6776 { 6777 static const char *const spin[] = { "-", "\\", "|", "/" }; 6778 static int spinval = 0; 6779 static int spincheck = 0; 6780 static time_t last_spin_time = (time_t)0; 6781 get_all_state_t *state = data; 6782 zfs_type_t type = zfs_get_type(zhp); 6783 6784 if (state->ga_verbose) { 6785 if (--spincheck < 0) { 6786 time_t now = time(NULL); 6787 if (last_spin_time + SPINNER_TIME < now) { 6788 update_progress(spin[spinval++ % 4]); 6789 last_spin_time = now; 6790 } 6791 spincheck = CHECK_SPINNER; 6792 } 6793 } 6794 6795 /* 6796 * Iterate over any nested datasets. 6797 */ 6798 if (zfs_iter_filesystems_v2(zhp, 0, get_one_dataset, data) != 0) { 6799 zfs_close(zhp); 6800 return (1); 6801 } 6802 6803 /* 6804 * Skip any datasets whose type does not match. 6805 */ 6806 if ((type & ZFS_TYPE_FILESYSTEM) == 0) { 6807 zfs_close(zhp); 6808 return (0); 6809 } 6810 libzfs_add_handle(state->ga_cbp, zhp); 6811 assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc); 6812 6813 return (0); 6814 } 6815 6816 static int 6817 get_recursive_datasets(zfs_handle_t *zhp, void *data) 6818 { 6819 get_all_state_t *state = data; 6820 int len = strlen(zfs_get_name(zhp)); 6821 for (int i = 0; i < state->ga_count; ++i) { 6822 if (strcmp(state->ga_datasets[i], zfs_get_name(zhp)) == 0) 6823 return (get_one_dataset(zhp, data)); 6824 else if ((strncmp(state->ga_datasets[i], zfs_get_name(zhp), 6825 len) == 0) && state->ga_datasets[i][len] == '/') { 6826 (void) zfs_iter_filesystems_v2(zhp, 0, 6827 get_recursive_datasets, data); 6828 } 6829 } 6830 zfs_close(zhp); 6831 return (0); 6832 } 6833 6834 static void 6835 get_all_datasets(get_all_state_t *state) 6836 { 6837 if (state->ga_verbose) 6838 set_progress_header(gettext("Reading ZFS config")); 6839 if (state->ga_datasets == NULL) 6840 (void) zfs_iter_root(g_zfs, get_one_dataset, state); 6841 else 6842 (void) zfs_iter_root(g_zfs, get_recursive_datasets, state); 6843 6844 if (state->ga_verbose) 6845 finish_progress(gettext("done.")); 6846 } 6847 6848 /* 6849 * Generic callback for sharing or mounting filesystems. Because the code is so 6850 * similar, we have a common function with an extra parameter to determine which 6851 * mode we are using. 6852 */ 6853 typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t; 6854 6855 typedef struct share_mount_state { 6856 share_mount_op_t sm_op; 6857 boolean_t sm_verbose; 6858 int sm_flags; 6859 char *sm_options; 6860 enum sa_protocol sm_proto; /* only valid for OP_SHARE */ 6861 pthread_mutex_t sm_lock; /* protects the remaining fields */ 6862 uint_t sm_total; /* number of filesystems to process */ 6863 uint_t sm_done; /* number of filesystems processed */ 6864 int sm_status; /* -1 if any of the share/mount operations failed */ 6865 } share_mount_state_t; 6866 6867 /* 6868 * Share or mount a dataset. 6869 */ 6870 static int 6871 share_mount_one(zfs_handle_t *zhp, int op, int flags, enum sa_protocol protocol, 6872 boolean_t explicit, const char *options) 6873 { 6874 char mountpoint[ZFS_MAXPROPLEN]; 6875 char shareopts[ZFS_MAXPROPLEN]; 6876 char smbshareopts[ZFS_MAXPROPLEN]; 6877 const char *cmdname = op == OP_SHARE ? "share" : "mount"; 6878 struct mnttab mnt; 6879 uint64_t zoned, canmount; 6880 boolean_t shared_nfs, shared_smb; 6881 6882 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM); 6883 6884 /* 6885 * Check to make sure we can mount/share this dataset. If we 6886 * are in the global zone and the filesystem is exported to a 6887 * local zone, or if we are in a local zone and the 6888 * filesystem is not exported, then it is an error. 6889 */ 6890 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); 6891 6892 if (zoned && getzoneid() == GLOBAL_ZONEID) { 6893 if (!explicit) 6894 return (0); 6895 6896 (void) fprintf(stderr, gettext("cannot %s '%s': " 6897 "dataset is exported to a local zone\n"), cmdname, 6898 zfs_get_name(zhp)); 6899 return (1); 6900 6901 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) { 6902 if (!explicit) 6903 return (0); 6904 6905 (void) fprintf(stderr, gettext("cannot %s '%s': " 6906 "permission denied\n"), cmdname, 6907 zfs_get_name(zhp)); 6908 return (1); 6909 } 6910 6911 /* 6912 * Ignore any filesystems which don't apply to us. This 6913 * includes those with a legacy mountpoint, or those with 6914 * legacy share options. 6915 */ 6916 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, 6917 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0); 6918 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts, 6919 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0); 6920 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts, 6921 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0); 6922 6923 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 && 6924 strcmp(smbshareopts, "off") == 0) { 6925 if (!explicit) 6926 return (0); 6927 6928 (void) fprintf(stderr, gettext("cannot share '%s': " 6929 "legacy share\n"), zfs_get_name(zhp)); 6930 (void) fprintf(stderr, gettext("use exports(5) or " 6931 "smb.conf(5) to share this filesystem, or set " 6932 "the sharenfs or sharesmb property\n")); 6933 return (1); 6934 } 6935 6936 /* 6937 * We cannot share or mount legacy filesystems. If the 6938 * shareopts is non-legacy but the mountpoint is legacy, we 6939 * treat it as a legacy share. 6940 */ 6941 if (strcmp(mountpoint, "legacy") == 0) { 6942 if (!explicit) 6943 return (0); 6944 6945 (void) fprintf(stderr, gettext("cannot %s '%s': " 6946 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp)); 6947 (void) fprintf(stderr, gettext("use %s(8) to " 6948 "%s this filesystem\n"), cmdname, cmdname); 6949 return (1); 6950 } 6951 6952 if (strcmp(mountpoint, "none") == 0) { 6953 if (!explicit) 6954 return (0); 6955 6956 (void) fprintf(stderr, gettext("cannot %s '%s': no " 6957 "mountpoint set\n"), cmdname, zfs_get_name(zhp)); 6958 return (1); 6959 } 6960 6961 /* 6962 * canmount explicit outcome 6963 * on no pass through 6964 * on yes pass through 6965 * off no return 0 6966 * off yes display error, return 1 6967 * noauto no return 0 6968 * noauto yes pass through 6969 */ 6970 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); 6971 if (canmount == ZFS_CANMOUNT_OFF) { 6972 if (!explicit) 6973 return (0); 6974 6975 (void) fprintf(stderr, gettext("cannot %s '%s': " 6976 "'canmount' property is set to 'off'\n"), cmdname, 6977 zfs_get_name(zhp)); 6978 return (1); 6979 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) { 6980 /* 6981 * When performing a 'zfs mount -a', we skip any mounts for 6982 * datasets that have 'noauto' set. Sharing a dataset with 6983 * 'noauto' set is only allowed if it's mounted. 6984 */ 6985 if (op == OP_MOUNT) 6986 return (0); 6987 if (op == OP_SHARE && !zfs_is_mounted(zhp, NULL)) { 6988 /* also purge it from existing exports */ 6989 zfs_unshare(zhp, mountpoint, NULL); 6990 return (0); 6991 } 6992 } 6993 6994 /* 6995 * If this filesystem is encrypted and does not have 6996 * a loaded key, we can not mount it. 6997 */ 6998 if ((flags & MS_CRYPT) == 0 && 6999 zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF && 7000 zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) == 7001 ZFS_KEYSTATUS_UNAVAILABLE) { 7002 if (!explicit) 7003 return (0); 7004 7005 (void) fprintf(stderr, gettext("cannot %s '%s': " 7006 "encryption key not loaded\n"), cmdname, zfs_get_name(zhp)); 7007 return (1); 7008 } 7009 7010 /* 7011 * If this filesystem is inconsistent and has a receive resume 7012 * token, we can not mount it. 7013 */ 7014 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) && 7015 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, 7016 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) { 7017 if (!explicit) 7018 return (0); 7019 7020 (void) fprintf(stderr, gettext("cannot %s '%s': " 7021 "Contains partially-completed state from " 7022 "\"zfs receive -s\", which can be resumed with " 7023 "\"zfs send -t\"\n"), 7024 cmdname, zfs_get_name(zhp)); 7025 return (1); 7026 } 7027 7028 if (zfs_prop_get_int(zhp, ZFS_PROP_REDACTED) && !(flags & MS_FORCE)) { 7029 if (!explicit) 7030 return (0); 7031 7032 (void) fprintf(stderr, gettext("cannot %s '%s': " 7033 "Dataset is not complete, was created by receiving " 7034 "a redacted zfs send stream.\n"), cmdname, 7035 zfs_get_name(zhp)); 7036 return (1); 7037 } 7038 7039 /* 7040 * At this point, we have verified that the mountpoint and/or 7041 * shareopts are appropriate for auto management. If the 7042 * filesystem is already mounted or shared, return (failing 7043 * for explicit requests); otherwise mount or share the 7044 * filesystem. 7045 */ 7046 switch (op) { 7047 case OP_SHARE: { 7048 enum sa_protocol prot[] = {SA_PROTOCOL_NFS, SA_NO_PROTOCOL}; 7049 shared_nfs = zfs_is_shared(zhp, NULL, prot); 7050 *prot = SA_PROTOCOL_SMB; 7051 shared_smb = zfs_is_shared(zhp, NULL, prot); 7052 7053 if ((shared_nfs && shared_smb) || 7054 (shared_nfs && strcmp(shareopts, "on") == 0 && 7055 strcmp(smbshareopts, "off") == 0) || 7056 (shared_smb && strcmp(smbshareopts, "on") == 0 && 7057 strcmp(shareopts, "off") == 0)) { 7058 if (!explicit) 7059 return (0); 7060 7061 (void) fprintf(stderr, gettext("cannot share " 7062 "'%s': filesystem already shared\n"), 7063 zfs_get_name(zhp)); 7064 return (1); 7065 } 7066 7067 if (!zfs_is_mounted(zhp, NULL) && 7068 zfs_mount(zhp, NULL, flags) != 0) 7069 return (1); 7070 7071 *prot = protocol; 7072 if (zfs_share(zhp, protocol == SA_NO_PROTOCOL ? NULL : prot)) 7073 return (1); 7074 7075 } 7076 break; 7077 7078 case OP_MOUNT: 7079 mnt.mnt_mntopts = (char *)(options ?: ""); 7080 7081 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) && 7082 zfs_is_mounted(zhp, NULL)) { 7083 if (!explicit) 7084 return (0); 7085 7086 (void) fprintf(stderr, gettext("cannot mount " 7087 "'%s': filesystem already mounted\n"), 7088 zfs_get_name(zhp)); 7089 return (1); 7090 } 7091 7092 if (zfs_mount(zhp, options, flags) != 0) 7093 return (1); 7094 break; 7095 } 7096 7097 return (0); 7098 } 7099 7100 /* 7101 * Reports progress in the form "(current/total)". Not thread-safe. 7102 */ 7103 static void 7104 report_mount_progress(int current, int total) 7105 { 7106 static time_t last_progress_time = 0; 7107 time_t now = time(NULL); 7108 char info[32]; 7109 7110 /* display header if we're here for the first time */ 7111 if (current == 1) { 7112 set_progress_header(gettext("Mounting ZFS filesystems")); 7113 } else if (current != total && last_progress_time + MOUNT_TIME >= now) { 7114 /* too soon to report again */ 7115 return; 7116 } 7117 7118 last_progress_time = now; 7119 7120 (void) sprintf(info, "(%d/%d)", current, total); 7121 7122 if (current == total) 7123 finish_progress(info); 7124 else 7125 update_progress(info); 7126 } 7127 7128 /* 7129 * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and 7130 * updates the progress meter. 7131 */ 7132 static int 7133 share_mount_one_cb(zfs_handle_t *zhp, void *arg) 7134 { 7135 share_mount_state_t *sms = arg; 7136 int ret; 7137 7138 ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto, 7139 B_FALSE, sms->sm_options); 7140 7141 pthread_mutex_lock(&sms->sm_lock); 7142 if (ret != 0) 7143 sms->sm_status = ret; 7144 sms->sm_done++; 7145 if (sms->sm_verbose) 7146 report_mount_progress(sms->sm_done, sms->sm_total); 7147 pthread_mutex_unlock(&sms->sm_lock); 7148 return (ret); 7149 } 7150 7151 static void 7152 append_options(char *mntopts, char *newopts) 7153 { 7154 int len = strlen(mntopts); 7155 7156 /* original length plus new string to append plus 1 for the comma */ 7157 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) { 7158 (void) fprintf(stderr, gettext("the opts argument for " 7159 "'%s' option is too long (more than %d chars)\n"), 7160 "-o", MNT_LINE_MAX); 7161 usage(B_FALSE); 7162 } 7163 7164 if (*mntopts) 7165 mntopts[len++] = ','; 7166 7167 (void) strcpy(&mntopts[len], newopts); 7168 } 7169 7170 static enum sa_protocol 7171 sa_protocol_decode(const char *protocol) 7172 { 7173 for (enum sa_protocol i = 0; i < ARRAY_SIZE(sa_protocol_names); ++i) 7174 if (strcmp(protocol, sa_protocol_names[i]) == 0) 7175 return (i); 7176 7177 (void) fputs(gettext("share type must be one of: "), stderr); 7178 for (enum sa_protocol i = 0; 7179 i < ARRAY_SIZE(sa_protocol_names); ++i) 7180 (void) fprintf(stderr, "%s%s", 7181 i != 0 ? ", " : "", sa_protocol_names[i]); 7182 (void) fputc('\n', stderr); 7183 usage(B_FALSE); 7184 } 7185 7186 static int 7187 share_mount(int op, int argc, char **argv) 7188 { 7189 int do_all = 0; 7190 int recursive = 0; 7191 boolean_t verbose = B_FALSE; 7192 int c, ret = 0; 7193 char *options = NULL; 7194 int flags = 0; 7195 const uint_t mount_nthr = 512; 7196 uint_t nthr; 7197 7198 /* check options */ 7199 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":aRlvo:Of" : "al")) 7200 != -1) { 7201 switch (c) { 7202 case 'a': 7203 do_all = 1; 7204 break; 7205 case 'R': 7206 recursive = 1; 7207 break; 7208 case 'v': 7209 verbose = B_TRUE; 7210 break; 7211 case 'l': 7212 flags |= MS_CRYPT; 7213 break; 7214 case 'o': 7215 if (*optarg == '\0') { 7216 (void) fprintf(stderr, gettext("empty mount " 7217 "options (-o) specified\n")); 7218 usage(B_FALSE); 7219 } 7220 7221 if (options == NULL) 7222 options = safe_malloc(MNT_LINE_MAX + 1); 7223 7224 /* option validation is done later */ 7225 append_options(options, optarg); 7226 break; 7227 case 'O': 7228 flags |= MS_OVERLAY; 7229 break; 7230 case 'f': 7231 flags |= MS_FORCE; 7232 break; 7233 case ':': 7234 (void) fprintf(stderr, gettext("missing argument for " 7235 "'%c' option\n"), optopt); 7236 usage(B_FALSE); 7237 break; 7238 case '?': 7239 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 7240 optopt); 7241 usage(B_FALSE); 7242 } 7243 } 7244 7245 argc -= optind; 7246 argv += optind; 7247 7248 /* check number of arguments */ 7249 if (do_all || recursive) { 7250 enum sa_protocol protocol = SA_NO_PROTOCOL; 7251 7252 if (op == OP_SHARE && argc > 0) { 7253 protocol = sa_protocol_decode(argv[0]); 7254 argc--; 7255 argv++; 7256 } 7257 7258 if (argc != 0 && do_all) { 7259 (void) fprintf(stderr, gettext("too many arguments\n")); 7260 usage(B_FALSE); 7261 } 7262 7263 if (argc == 0 && recursive) { 7264 (void) fprintf(stderr, 7265 gettext("no dataset provided\n")); 7266 usage(B_FALSE); 7267 } 7268 7269 start_progress_timer(); 7270 get_all_cb_t cb = { 0 }; 7271 get_all_state_t state = { 0 }; 7272 if (argc == 0) { 7273 state.ga_datasets = NULL; 7274 state.ga_count = -1; 7275 } else { 7276 zfs_handle_t *zhp; 7277 for (int i = 0; i < argc; i++) { 7278 zhp = zfs_open(g_zfs, argv[i], 7279 ZFS_TYPE_FILESYSTEM); 7280 if (zhp == NULL) 7281 usage(B_FALSE); 7282 zfs_close(zhp); 7283 } 7284 state.ga_datasets = argv; 7285 state.ga_count = argc; 7286 } 7287 state.ga_verbose = verbose; 7288 state.ga_cbp = &cb; 7289 get_all_datasets(&state); 7290 7291 if (cb.cb_used == 0) { 7292 free(options); 7293 return (0); 7294 } 7295 7296 share_mount_state_t share_mount_state = { 0 }; 7297 share_mount_state.sm_op = op; 7298 share_mount_state.sm_verbose = verbose; 7299 share_mount_state.sm_flags = flags; 7300 share_mount_state.sm_options = options; 7301 share_mount_state.sm_proto = protocol; 7302 share_mount_state.sm_total = cb.cb_used; 7303 pthread_mutex_init(&share_mount_state.sm_lock, NULL); 7304 7305 /* For a 'zfs share -a' operation start with a clean slate. */ 7306 if (op == OP_SHARE) 7307 zfs_truncate_shares(NULL); 7308 7309 /* 7310 * libshare isn't mt-safe, so only do the operation in parallel 7311 * if we're mounting. Additionally, the key-loading option must 7312 * be serialized so that we can prompt the user for their keys 7313 * in a consistent manner. 7314 */ 7315 nthr = op == OP_MOUNT && !(flags & MS_CRYPT) ? mount_nthr : 1; 7316 zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used, 7317 share_mount_one_cb, &share_mount_state, nthr); 7318 zfs_commit_shares(NULL); 7319 7320 ret = share_mount_state.sm_status; 7321 7322 for (int i = 0; i < cb.cb_used; i++) 7323 zfs_close(cb.cb_handles[i]); 7324 free(cb.cb_handles); 7325 } else if (argc == 0) { 7326 FILE *mnttab; 7327 struct mnttab entry; 7328 7329 if ((op == OP_SHARE) || (options != NULL)) { 7330 (void) fprintf(stderr, gettext("missing filesystem " 7331 "argument (specify -a for all)\n")); 7332 usage(B_FALSE); 7333 } 7334 7335 /* 7336 * When mount is given no arguments, go through 7337 * /proc/self/mounts and display any active ZFS mounts. 7338 * We hide any snapshots, since they are controlled 7339 * automatically. 7340 */ 7341 7342 if ((mnttab = fopen(MNTTAB, "re")) == NULL) { 7343 free(options); 7344 return (ENOENT); 7345 } 7346 7347 while (getmntent(mnttab, &entry) == 0) { 7348 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 || 7349 strchr(entry.mnt_special, '@') != NULL) 7350 continue; 7351 7352 (void) printf("%-30s %s\n", entry.mnt_special, 7353 entry.mnt_mountp); 7354 } 7355 7356 (void) fclose(mnttab); 7357 } else { 7358 zfs_handle_t *zhp; 7359 7360 if (argc > 1) { 7361 (void) fprintf(stderr, 7362 gettext("too many arguments\n")); 7363 usage(B_FALSE); 7364 } 7365 7366 if ((zhp = zfs_open(g_zfs, argv[0], 7367 ZFS_TYPE_FILESYSTEM)) == NULL) { 7368 ret = 1; 7369 } else { 7370 ret = share_mount_one(zhp, op, flags, SA_NO_PROTOCOL, 7371 B_TRUE, options); 7372 zfs_commit_shares(NULL); 7373 zfs_close(zhp); 7374 } 7375 } 7376 7377 free(options); 7378 return (ret); 7379 } 7380 7381 /* 7382 * zfs mount -a 7383 * zfs mount filesystem 7384 * 7385 * Mount all filesystems, or mount the given filesystem. 7386 */ 7387 static int 7388 zfs_do_mount(int argc, char **argv) 7389 { 7390 return (share_mount(OP_MOUNT, argc, argv)); 7391 } 7392 7393 /* 7394 * zfs share -a [nfs | smb] 7395 * zfs share filesystem 7396 * 7397 * Share all filesystems, or share the given filesystem. 7398 */ 7399 static int 7400 zfs_do_share(int argc, char **argv) 7401 { 7402 return (share_mount(OP_SHARE, argc, argv)); 7403 } 7404 7405 typedef struct unshare_unmount_node { 7406 zfs_handle_t *un_zhp; 7407 char *un_mountp; 7408 uu_avl_node_t un_avlnode; 7409 } unshare_unmount_node_t; 7410 7411 static int 7412 unshare_unmount_compare(const void *larg, const void *rarg, void *unused) 7413 { 7414 (void) unused; 7415 const unshare_unmount_node_t *l = larg; 7416 const unshare_unmount_node_t *r = rarg; 7417 7418 return (strcmp(l->un_mountp, r->un_mountp)); 7419 } 7420 7421 /* 7422 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an 7423 * absolute path, find the entry /proc/self/mounts, verify that it's a 7424 * ZFS filesystem, and unmount it appropriately. 7425 */ 7426 static int 7427 unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) 7428 { 7429 zfs_handle_t *zhp; 7430 int ret = 0; 7431 struct stat64 statbuf; 7432 struct extmnttab entry; 7433 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount"; 7434 ino_t path_inode; 7435 7436 /* 7437 * Search for the given (major,minor) pair in the mount table. 7438 */ 7439 7440 if (getextmntent(path, &entry, &statbuf) != 0) { 7441 if (op == OP_SHARE) { 7442 (void) fprintf(stderr, gettext("cannot %s '%s': not " 7443 "currently mounted\n"), cmdname, path); 7444 return (1); 7445 } 7446 (void) fprintf(stderr, gettext("warning: %s not in" 7447 "/proc/self/mounts\n"), path); 7448 if ((ret = umount2(path, flags)) != 0) 7449 (void) fprintf(stderr, gettext("%s: %s\n"), path, 7450 strerror(errno)); 7451 return (ret != 0); 7452 } 7453 path_inode = statbuf.st_ino; 7454 7455 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { 7456 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS " 7457 "filesystem\n"), cmdname, path); 7458 return (1); 7459 } 7460 7461 if ((zhp = zfs_open(g_zfs, entry.mnt_special, 7462 ZFS_TYPE_FILESYSTEM)) == NULL) 7463 return (1); 7464 7465 ret = 1; 7466 if (stat64(entry.mnt_mountp, &statbuf) != 0) { 7467 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), 7468 cmdname, path, strerror(errno)); 7469 goto out; 7470 } else if (statbuf.st_ino != path_inode) { 7471 (void) fprintf(stderr, gettext("cannot " 7472 "%s '%s': not a mountpoint\n"), cmdname, path); 7473 goto out; 7474 } 7475 7476 if (op == OP_SHARE) { 7477 char nfs_mnt_prop[ZFS_MAXPROPLEN]; 7478 char smbshare_prop[ZFS_MAXPROPLEN]; 7479 7480 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop, 7481 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0); 7482 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop, 7483 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0); 7484 7485 if (strcmp(nfs_mnt_prop, "off") == 0 && 7486 strcmp(smbshare_prop, "off") == 0) { 7487 (void) fprintf(stderr, gettext("cannot unshare " 7488 "'%s': legacy share\n"), path); 7489 (void) fprintf(stderr, gettext("use exportfs(8) " 7490 "or smbcontrol(1) to unshare this filesystem\n")); 7491 } else if (!zfs_is_shared(zhp, NULL, NULL)) { 7492 (void) fprintf(stderr, gettext("cannot unshare '%s': " 7493 "not currently shared\n"), path); 7494 } else { 7495 ret = zfs_unshare(zhp, path, NULL); 7496 zfs_commit_shares(NULL); 7497 } 7498 } else { 7499 char mtpt_prop[ZFS_MAXPROPLEN]; 7500 7501 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop, 7502 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0); 7503 7504 if (is_manual) { 7505 ret = zfs_unmount(zhp, NULL, flags); 7506 } else if (strcmp(mtpt_prop, "legacy") == 0) { 7507 (void) fprintf(stderr, gettext("cannot unmount " 7508 "'%s': legacy mountpoint\n"), 7509 zfs_get_name(zhp)); 7510 (void) fprintf(stderr, gettext("use umount(8) " 7511 "to unmount this filesystem\n")); 7512 } else { 7513 ret = zfs_unmountall(zhp, flags); 7514 } 7515 } 7516 7517 out: 7518 zfs_close(zhp); 7519 7520 return (ret != 0); 7521 } 7522 7523 /* 7524 * Generic callback for unsharing or unmounting a filesystem. 7525 */ 7526 static int 7527 unshare_unmount(int op, int argc, char **argv) 7528 { 7529 int do_all = 0; 7530 int flags = 0; 7531 int ret = 0; 7532 int c; 7533 zfs_handle_t *zhp; 7534 char nfs_mnt_prop[ZFS_MAXPROPLEN]; 7535 char sharesmb[ZFS_MAXPROPLEN]; 7536 7537 /* check options */ 7538 while ((c = getopt(argc, argv, op == OP_SHARE ? ":a" : "afu")) != -1) { 7539 switch (c) { 7540 case 'a': 7541 do_all = 1; 7542 break; 7543 case 'f': 7544 flags |= MS_FORCE; 7545 break; 7546 case 'u': 7547 flags |= MS_CRYPT; 7548 break; 7549 case ':': 7550 (void) fprintf(stderr, gettext("missing argument for " 7551 "'%c' option\n"), optopt); 7552 usage(B_FALSE); 7553 break; 7554 case '?': 7555 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 7556 optopt); 7557 usage(B_FALSE); 7558 } 7559 } 7560 7561 argc -= optind; 7562 argv += optind; 7563 7564 if (do_all) { 7565 /* 7566 * We could make use of zfs_for_each() to walk all datasets in 7567 * the system, but this would be very inefficient, especially 7568 * since we would have to linearly search /proc/self/mounts for 7569 * each one. Instead, do one pass through /proc/self/mounts 7570 * looking for zfs entries and call zfs_unmount() for each one. 7571 * 7572 * Things get a little tricky if the administrator has created 7573 * mountpoints beneath other ZFS filesystems. In this case, we 7574 * have to unmount the deepest filesystems first. To accomplish 7575 * this, we place all the mountpoints in an AVL tree sorted by 7576 * the special type (dataset name), and walk the result in 7577 * reverse to make sure to get any snapshots first. 7578 */ 7579 FILE *mnttab; 7580 struct mnttab entry; 7581 uu_avl_pool_t *pool; 7582 uu_avl_t *tree = NULL; 7583 unshare_unmount_node_t *node; 7584 uu_avl_index_t idx; 7585 uu_avl_walk_t *walk; 7586 enum sa_protocol *protocol = NULL, 7587 single_protocol[] = {SA_NO_PROTOCOL, SA_NO_PROTOCOL}; 7588 7589 if (op == OP_SHARE && argc > 0) { 7590 *single_protocol = sa_protocol_decode(argv[0]); 7591 protocol = single_protocol; 7592 argc--; 7593 argv++; 7594 } 7595 7596 if (argc != 0) { 7597 (void) fprintf(stderr, gettext("too many arguments\n")); 7598 usage(B_FALSE); 7599 } 7600 7601 if (((pool = uu_avl_pool_create("unmount_pool", 7602 sizeof (unshare_unmount_node_t), 7603 offsetof(unshare_unmount_node_t, un_avlnode), 7604 unshare_unmount_compare, UU_DEFAULT)) == NULL) || 7605 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL)) 7606 nomem(); 7607 7608 if ((mnttab = fopen(MNTTAB, "re")) == NULL) { 7609 uu_avl_destroy(tree); 7610 uu_avl_pool_destroy(pool); 7611 return (ENOENT); 7612 } 7613 7614 while (getmntent(mnttab, &entry) == 0) { 7615 7616 /* ignore non-ZFS entries */ 7617 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) 7618 continue; 7619 7620 /* ignore snapshots */ 7621 if (strchr(entry.mnt_special, '@') != NULL) 7622 continue; 7623 7624 if ((zhp = zfs_open(g_zfs, entry.mnt_special, 7625 ZFS_TYPE_FILESYSTEM)) == NULL) { 7626 ret = 1; 7627 continue; 7628 } 7629 7630 /* 7631 * Ignore datasets that are excluded/restricted by 7632 * parent pool name. 7633 */ 7634 if (zpool_skip_pool(zfs_get_pool_name(zhp))) { 7635 zfs_close(zhp); 7636 continue; 7637 } 7638 7639 switch (op) { 7640 case OP_SHARE: 7641 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, 7642 nfs_mnt_prop, 7643 sizeof (nfs_mnt_prop), 7644 NULL, NULL, 0, B_FALSE) == 0); 7645 if (strcmp(nfs_mnt_prop, "off") != 0) 7646 break; 7647 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, 7648 nfs_mnt_prop, 7649 sizeof (nfs_mnt_prop), 7650 NULL, NULL, 0, B_FALSE) == 0); 7651 if (strcmp(nfs_mnt_prop, "off") == 0) 7652 continue; 7653 break; 7654 case OP_MOUNT: 7655 /* Ignore legacy mounts */ 7656 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, 7657 nfs_mnt_prop, 7658 sizeof (nfs_mnt_prop), 7659 NULL, NULL, 0, B_FALSE) == 0); 7660 if (strcmp(nfs_mnt_prop, "legacy") == 0) 7661 continue; 7662 /* Ignore canmount=noauto mounts */ 7663 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == 7664 ZFS_CANMOUNT_NOAUTO) 7665 continue; 7666 break; 7667 default: 7668 break; 7669 } 7670 7671 node = safe_malloc(sizeof (unshare_unmount_node_t)); 7672 node->un_zhp = zhp; 7673 node->un_mountp = safe_strdup(entry.mnt_mountp); 7674 7675 uu_avl_node_init(node, &node->un_avlnode, pool); 7676 7677 if (uu_avl_find(tree, node, NULL, &idx) == NULL) { 7678 uu_avl_insert(tree, node, idx); 7679 } else { 7680 zfs_close(node->un_zhp); 7681 free(node->un_mountp); 7682 free(node); 7683 } 7684 } 7685 (void) fclose(mnttab); 7686 7687 /* 7688 * Walk the AVL tree in reverse, unmounting each filesystem and 7689 * removing it from the AVL tree in the process. 7690 */ 7691 if ((walk = uu_avl_walk_start(tree, 7692 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL) 7693 nomem(); 7694 7695 while ((node = uu_avl_walk_next(walk)) != NULL) { 7696 const char *mntarg = NULL; 7697 7698 uu_avl_remove(tree, node); 7699 switch (op) { 7700 case OP_SHARE: 7701 if (zfs_unshare(node->un_zhp, 7702 node->un_mountp, protocol) != 0) 7703 ret = 1; 7704 break; 7705 7706 case OP_MOUNT: 7707 if (zfs_unmount(node->un_zhp, 7708 mntarg, flags) != 0) 7709 ret = 1; 7710 break; 7711 } 7712 7713 zfs_close(node->un_zhp); 7714 free(node->un_mountp); 7715 free(node); 7716 } 7717 7718 if (op == OP_SHARE) 7719 zfs_commit_shares(protocol); 7720 7721 uu_avl_walk_end(walk); 7722 uu_avl_destroy(tree); 7723 uu_avl_pool_destroy(pool); 7724 7725 } else { 7726 if (argc != 1) { 7727 if (argc == 0) 7728 (void) fprintf(stderr, 7729 gettext("missing filesystem argument\n")); 7730 else 7731 (void) fprintf(stderr, 7732 gettext("too many arguments\n")); 7733 usage(B_FALSE); 7734 } 7735 7736 /* 7737 * We have an argument, but it may be a full path or a ZFS 7738 * filesystem. Pass full paths off to unmount_path() (shared by 7739 * manual_unmount), otherwise open the filesystem and pass to 7740 * zfs_unmount(). 7741 */ 7742 if (argv[0][0] == '/') 7743 return (unshare_unmount_path(op, argv[0], 7744 flags, B_FALSE)); 7745 7746 if ((zhp = zfs_open(g_zfs, argv[0], 7747 ZFS_TYPE_FILESYSTEM)) == NULL) 7748 return (1); 7749 7750 verify(zfs_prop_get(zhp, op == OP_SHARE ? 7751 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT, 7752 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL, 7753 NULL, 0, B_FALSE) == 0); 7754 7755 switch (op) { 7756 case OP_SHARE: 7757 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, 7758 nfs_mnt_prop, 7759 sizeof (nfs_mnt_prop), 7760 NULL, NULL, 0, B_FALSE) == 0); 7761 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, 7762 sharesmb, sizeof (sharesmb), NULL, NULL, 7763 0, B_FALSE) == 0); 7764 7765 if (strcmp(nfs_mnt_prop, "off") == 0 && 7766 strcmp(sharesmb, "off") == 0) { 7767 (void) fprintf(stderr, gettext("cannot " 7768 "unshare '%s': legacy share\n"), 7769 zfs_get_name(zhp)); 7770 (void) fprintf(stderr, gettext("use " 7771 "exports(5) or smb.conf(5) to unshare " 7772 "this filesystem\n")); 7773 ret = 1; 7774 } else if (!zfs_is_shared(zhp, NULL, NULL)) { 7775 (void) fprintf(stderr, gettext("cannot " 7776 "unshare '%s': not currently " 7777 "shared\n"), zfs_get_name(zhp)); 7778 ret = 1; 7779 } else if (zfs_unshareall(zhp, NULL) != 0) { 7780 ret = 1; 7781 } 7782 break; 7783 7784 case OP_MOUNT: 7785 if (strcmp(nfs_mnt_prop, "legacy") == 0) { 7786 (void) fprintf(stderr, gettext("cannot " 7787 "unmount '%s': legacy " 7788 "mountpoint\n"), zfs_get_name(zhp)); 7789 (void) fprintf(stderr, gettext("use " 7790 "umount(8) to unmount this " 7791 "filesystem\n")); 7792 ret = 1; 7793 } else if (!zfs_is_mounted(zhp, NULL)) { 7794 (void) fprintf(stderr, gettext("cannot " 7795 "unmount '%s': not currently " 7796 "mounted\n"), 7797 zfs_get_name(zhp)); 7798 ret = 1; 7799 } else if (zfs_unmountall(zhp, flags) != 0) { 7800 ret = 1; 7801 } 7802 break; 7803 } 7804 7805 zfs_close(zhp); 7806 } 7807 7808 return (ret); 7809 } 7810 7811 /* 7812 * zfs unmount [-fu] -a 7813 * zfs unmount [-fu] filesystem 7814 * 7815 * Unmount all filesystems, or a specific ZFS filesystem. 7816 */ 7817 static int 7818 zfs_do_unmount(int argc, char **argv) 7819 { 7820 return (unshare_unmount(OP_MOUNT, argc, argv)); 7821 } 7822 7823 /* 7824 * zfs unshare -a 7825 * zfs unshare filesystem 7826 * 7827 * Unshare all filesystems, or a specific ZFS filesystem. 7828 */ 7829 static int 7830 zfs_do_unshare(int argc, char **argv) 7831 { 7832 return (unshare_unmount(OP_SHARE, argc, argv)); 7833 } 7834 7835 static int 7836 find_command_idx(const char *command, int *idx) 7837 { 7838 int i; 7839 7840 for (i = 0; i < NCOMMAND; i++) { 7841 if (command_table[i].name == NULL) 7842 continue; 7843 7844 if (strcmp(command, command_table[i].name) == 0) { 7845 *idx = i; 7846 return (0); 7847 } 7848 } 7849 return (1); 7850 } 7851 7852 static int 7853 zfs_do_diff(int argc, char **argv) 7854 { 7855 zfs_handle_t *zhp; 7856 int flags = 0; 7857 char *tosnap = NULL; 7858 char *fromsnap = NULL; 7859 char *atp, *copy; 7860 int err = 0; 7861 int c; 7862 struct sigaction sa; 7863 7864 while ((c = getopt(argc, argv, "FHth")) != -1) { 7865 switch (c) { 7866 case 'F': 7867 flags |= ZFS_DIFF_CLASSIFY; 7868 break; 7869 case 'H': 7870 flags |= ZFS_DIFF_PARSEABLE; 7871 break; 7872 case 't': 7873 flags |= ZFS_DIFF_TIMESTAMP; 7874 break; 7875 case 'h': 7876 flags |= ZFS_DIFF_NO_MANGLE; 7877 break; 7878 default: 7879 (void) fprintf(stderr, 7880 gettext("invalid option '%c'\n"), optopt); 7881 usage(B_FALSE); 7882 } 7883 } 7884 7885 argc -= optind; 7886 argv += optind; 7887 7888 if (argc < 1) { 7889 (void) fprintf(stderr, 7890 gettext("must provide at least one snapshot name\n")); 7891 usage(B_FALSE); 7892 } 7893 7894 if (argc > 2) { 7895 (void) fprintf(stderr, gettext("too many arguments\n")); 7896 usage(B_FALSE); 7897 } 7898 7899 fromsnap = argv[0]; 7900 tosnap = (argc == 2) ? argv[1] : NULL; 7901 7902 copy = NULL; 7903 if (*fromsnap != '@') 7904 copy = strdup(fromsnap); 7905 else if (tosnap) 7906 copy = strdup(tosnap); 7907 if (copy == NULL) 7908 usage(B_FALSE); 7909 7910 if ((atp = strchr(copy, '@')) != NULL) 7911 *atp = '\0'; 7912 7913 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) { 7914 free(copy); 7915 return (1); 7916 } 7917 free(copy); 7918 7919 /* 7920 * Ignore SIGPIPE so that the library can give us 7921 * information on any failure 7922 */ 7923 if (sigemptyset(&sa.sa_mask) == -1) { 7924 err = errno; 7925 goto out; 7926 } 7927 sa.sa_flags = 0; 7928 sa.sa_handler = SIG_IGN; 7929 if (sigaction(SIGPIPE, &sa, NULL) == -1) { 7930 err = errno; 7931 goto out; 7932 } 7933 7934 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags); 7935 out: 7936 zfs_close(zhp); 7937 7938 return (err != 0); 7939 } 7940 7941 /* 7942 * zfs bookmark <fs@source>|<fs#source> <fs#bookmark> 7943 * 7944 * Creates a bookmark with the given name from the source snapshot 7945 * or creates a copy of an existing source bookmark. 7946 */ 7947 static int 7948 zfs_do_bookmark(int argc, char **argv) 7949 { 7950 char *source, *bookname; 7951 char expbuf[ZFS_MAX_DATASET_NAME_LEN]; 7952 int source_type; 7953 nvlist_t *nvl; 7954 int ret = 0; 7955 int c; 7956 7957 /* check options */ 7958 while ((c = getopt(argc, argv, "")) != -1) { 7959 switch (c) { 7960 case '?': 7961 (void) fprintf(stderr, 7962 gettext("invalid option '%c'\n"), optopt); 7963 goto usage; 7964 } 7965 } 7966 7967 argc -= optind; 7968 argv += optind; 7969 7970 /* check number of arguments */ 7971 if (argc < 1) { 7972 (void) fprintf(stderr, gettext("missing source argument\n")); 7973 goto usage; 7974 } 7975 if (argc < 2) { 7976 (void) fprintf(stderr, gettext("missing bookmark argument\n")); 7977 goto usage; 7978 } 7979 7980 source = argv[0]; 7981 bookname = argv[1]; 7982 7983 if (strchr(source, '@') == NULL && strchr(source, '#') == NULL) { 7984 (void) fprintf(stderr, 7985 gettext("invalid source name '%s': " 7986 "must contain a '@' or '#'\n"), source); 7987 goto usage; 7988 } 7989 if (strchr(bookname, '#') == NULL) { 7990 (void) fprintf(stderr, 7991 gettext("invalid bookmark name '%s': " 7992 "must contain a '#'\n"), bookname); 7993 goto usage; 7994 } 7995 7996 /* 7997 * expand source or bookname to full path: 7998 * one of them may be specified as short name 7999 */ 8000 { 8001 char **expand; 8002 char *source_short, *bookname_short; 8003 source_short = strpbrk(source, "@#"); 8004 bookname_short = strpbrk(bookname, "#"); 8005 if (source_short == source && 8006 bookname_short == bookname) { 8007 (void) fprintf(stderr, gettext( 8008 "either source or bookmark must be specified as " 8009 "full dataset paths")); 8010 goto usage; 8011 } else if (source_short != source && 8012 bookname_short != bookname) { 8013 expand = NULL; 8014 } else if (source_short != source) { 8015 strlcpy(expbuf, source, sizeof (expbuf)); 8016 expand = &bookname; 8017 } else if (bookname_short != bookname) { 8018 strlcpy(expbuf, bookname, sizeof (expbuf)); 8019 expand = &source; 8020 } else { 8021 abort(); 8022 } 8023 if (expand != NULL) { 8024 *strpbrk(expbuf, "@#") = '\0'; /* dataset name in buf */ 8025 (void) strlcat(expbuf, *expand, sizeof (expbuf)); 8026 *expand = expbuf; 8027 } 8028 } 8029 8030 /* determine source type */ 8031 switch (*strpbrk(source, "@#")) { 8032 case '@': source_type = ZFS_TYPE_SNAPSHOT; break; 8033 case '#': source_type = ZFS_TYPE_BOOKMARK; break; 8034 default: abort(); 8035 } 8036 8037 /* test the source exists */ 8038 zfs_handle_t *zhp; 8039 zhp = zfs_open(g_zfs, source, source_type); 8040 if (zhp == NULL) 8041 goto usage; 8042 zfs_close(zhp); 8043 8044 nvl = fnvlist_alloc(); 8045 fnvlist_add_string(nvl, bookname, source); 8046 ret = lzc_bookmark(nvl, NULL); 8047 fnvlist_free(nvl); 8048 8049 if (ret != 0) { 8050 const char *err_msg = NULL; 8051 char errbuf[1024]; 8052 8053 (void) snprintf(errbuf, sizeof (errbuf), 8054 dgettext(TEXT_DOMAIN, 8055 "cannot create bookmark '%s'"), bookname); 8056 8057 switch (ret) { 8058 case EXDEV: 8059 err_msg = "bookmark is in a different pool"; 8060 break; 8061 case ZFS_ERR_BOOKMARK_SOURCE_NOT_ANCESTOR: 8062 err_msg = "source is not an ancestor of the " 8063 "new bookmark's dataset"; 8064 break; 8065 case EEXIST: 8066 err_msg = "bookmark exists"; 8067 break; 8068 case EINVAL: 8069 err_msg = "invalid argument"; 8070 break; 8071 case ENOTSUP: 8072 err_msg = "bookmark feature not enabled"; 8073 break; 8074 case ENOSPC: 8075 err_msg = "out of space"; 8076 break; 8077 case ENOENT: 8078 err_msg = "dataset does not exist"; 8079 break; 8080 default: 8081 (void) zfs_standard_error(g_zfs, ret, errbuf); 8082 break; 8083 } 8084 if (err_msg != NULL) { 8085 (void) fprintf(stderr, "%s: %s\n", errbuf, 8086 dgettext(TEXT_DOMAIN, err_msg)); 8087 } 8088 } 8089 8090 return (ret != 0); 8091 8092 usage: 8093 usage(B_FALSE); 8094 return (-1); 8095 } 8096 8097 static int 8098 zfs_do_channel_program(int argc, char **argv) 8099 { 8100 int ret, fd, c; 8101 size_t progsize, progread; 8102 nvlist_t *outnvl = NULL; 8103 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT; 8104 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT; 8105 boolean_t sync_flag = B_TRUE, json_output = B_FALSE; 8106 zpool_handle_t *zhp; 8107 8108 /* check options */ 8109 while ((c = getopt(argc, argv, "nt:m:j")) != -1) { 8110 switch (c) { 8111 case 't': 8112 case 'm': { 8113 uint64_t arg; 8114 char *endp; 8115 8116 errno = 0; 8117 arg = strtoull(optarg, &endp, 0); 8118 if (errno != 0 || *endp != '\0') { 8119 (void) fprintf(stderr, gettext( 8120 "invalid argument " 8121 "'%s': expected integer\n"), optarg); 8122 goto usage; 8123 } 8124 8125 if (c == 't') { 8126 instrlimit = arg; 8127 } else { 8128 ASSERT3U(c, ==, 'm'); 8129 memlimit = arg; 8130 } 8131 break; 8132 } 8133 case 'n': { 8134 sync_flag = B_FALSE; 8135 break; 8136 } 8137 case 'j': { 8138 json_output = B_TRUE; 8139 break; 8140 } 8141 case '?': 8142 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 8143 optopt); 8144 goto usage; 8145 } 8146 } 8147 8148 argc -= optind; 8149 argv += optind; 8150 8151 if (argc < 2) { 8152 (void) fprintf(stderr, 8153 gettext("invalid number of arguments\n")); 8154 goto usage; 8155 } 8156 8157 const char *poolname = argv[0]; 8158 const char *filename = argv[1]; 8159 if (strcmp(filename, "-") == 0) { 8160 fd = 0; 8161 filename = "standard input"; 8162 } else if ((fd = open(filename, O_RDONLY)) < 0) { 8163 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"), 8164 filename, strerror(errno)); 8165 return (1); 8166 } 8167 8168 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) { 8169 (void) fprintf(stderr, gettext("cannot open pool '%s'\n"), 8170 poolname); 8171 if (fd != 0) 8172 (void) close(fd); 8173 return (1); 8174 } 8175 zpool_close(zhp); 8176 8177 /* 8178 * Read in the channel program, expanding the program buffer as 8179 * necessary. 8180 */ 8181 progread = 0; 8182 progsize = 1024; 8183 char *progbuf = safe_malloc(progsize); 8184 do { 8185 ret = read(fd, progbuf + progread, progsize - progread); 8186 progread += ret; 8187 if (progread == progsize && ret > 0) { 8188 progsize *= 2; 8189 progbuf = safe_realloc(progbuf, progsize); 8190 } 8191 } while (ret > 0); 8192 8193 if (fd != 0) 8194 (void) close(fd); 8195 if (ret < 0) { 8196 free(progbuf); 8197 (void) fprintf(stderr, 8198 gettext("cannot read '%s': %s\n"), 8199 filename, strerror(errno)); 8200 return (1); 8201 } 8202 progbuf[progread] = '\0'; 8203 8204 /* 8205 * Any remaining arguments are passed as arguments to the lua script as 8206 * a string array: 8207 * { 8208 * "argv" -> [ "arg 1", ... "arg n" ], 8209 * } 8210 */ 8211 nvlist_t *argnvl = fnvlist_alloc(); 8212 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV, 8213 (const char **)argv + 2, argc - 2); 8214 8215 if (sync_flag) { 8216 ret = lzc_channel_program(poolname, progbuf, 8217 instrlimit, memlimit, argnvl, &outnvl); 8218 } else { 8219 ret = lzc_channel_program_nosync(poolname, progbuf, 8220 instrlimit, memlimit, argnvl, &outnvl); 8221 } 8222 8223 if (ret != 0) { 8224 /* 8225 * On error, report the error message handed back by lua if one 8226 * exists. Otherwise, generate an appropriate error message, 8227 * falling back on strerror() for an unexpected return code. 8228 */ 8229 const char *errstring = NULL; 8230 const char *msg = gettext("Channel program execution failed"); 8231 uint64_t instructions = 0; 8232 if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) { 8233 const char *es = NULL; 8234 (void) nvlist_lookup_string(outnvl, 8235 ZCP_RET_ERROR, &es); 8236 if (es == NULL) 8237 errstring = strerror(ret); 8238 else 8239 errstring = es; 8240 if (ret == ETIME) { 8241 (void) nvlist_lookup_uint64(outnvl, 8242 ZCP_ARG_INSTRLIMIT, &instructions); 8243 } 8244 } else { 8245 switch (ret) { 8246 case EINVAL: 8247 errstring = 8248 "Invalid instruction or memory limit."; 8249 break; 8250 case ENOMEM: 8251 errstring = "Return value too large."; 8252 break; 8253 case ENOSPC: 8254 errstring = "Memory limit exhausted."; 8255 break; 8256 case ETIME: 8257 errstring = "Timed out."; 8258 break; 8259 case EPERM: 8260 errstring = "Permission denied. Channel " 8261 "programs must be run as root."; 8262 break; 8263 default: 8264 (void) zfs_standard_error(g_zfs, ret, msg); 8265 } 8266 } 8267 if (errstring != NULL) 8268 (void) fprintf(stderr, "%s:\n%s\n", msg, errstring); 8269 8270 if (ret == ETIME && instructions != 0) 8271 (void) fprintf(stderr, 8272 gettext("%llu Lua instructions\n"), 8273 (u_longlong_t)instructions); 8274 } else { 8275 if (json_output) { 8276 (void) nvlist_print_json(stdout, outnvl); 8277 } else if (nvlist_empty(outnvl)) { 8278 (void) fprintf(stdout, gettext("Channel program fully " 8279 "executed and did not produce output.\n")); 8280 } else { 8281 (void) fprintf(stdout, gettext("Channel program fully " 8282 "executed and produced output:\n")); 8283 dump_nvlist(outnvl, 4); 8284 } 8285 } 8286 8287 free(progbuf); 8288 fnvlist_free(outnvl); 8289 fnvlist_free(argnvl); 8290 return (ret != 0); 8291 8292 usage: 8293 usage(B_FALSE); 8294 return (-1); 8295 } 8296 8297 8298 typedef struct loadkey_cbdata { 8299 boolean_t cb_loadkey; 8300 boolean_t cb_recursive; 8301 boolean_t cb_noop; 8302 char *cb_keylocation; 8303 uint64_t cb_numfailed; 8304 uint64_t cb_numattempted; 8305 } loadkey_cbdata_t; 8306 8307 static int 8308 load_key_callback(zfs_handle_t *zhp, void *data) 8309 { 8310 int ret; 8311 boolean_t is_encroot; 8312 loadkey_cbdata_t *cb = data; 8313 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); 8314 8315 /* 8316 * If we are working recursively, we want to skip loading / unloading 8317 * keys for non-encryption roots and datasets whose keys are already 8318 * in the desired end-state. 8319 */ 8320 if (cb->cb_recursive) { 8321 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL); 8322 if (ret != 0) 8323 return (ret); 8324 if (!is_encroot) 8325 return (0); 8326 8327 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) || 8328 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE)) 8329 return (0); 8330 } 8331 8332 cb->cb_numattempted++; 8333 8334 if (cb->cb_loadkey) 8335 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation); 8336 else 8337 ret = zfs_crypto_unload_key(zhp); 8338 8339 if (ret != 0) { 8340 cb->cb_numfailed++; 8341 return (ret); 8342 } 8343 8344 return (0); 8345 } 8346 8347 static int 8348 load_unload_keys(int argc, char **argv, boolean_t loadkey) 8349 { 8350 int c, ret = 0, flags = 0; 8351 boolean_t do_all = B_FALSE; 8352 loadkey_cbdata_t cb = { 0 }; 8353 8354 cb.cb_loadkey = loadkey; 8355 8356 while ((c = getopt(argc, argv, "anrL:")) != -1) { 8357 /* noop and alternate keylocations only apply to zfs load-key */ 8358 if (loadkey) { 8359 switch (c) { 8360 case 'n': 8361 cb.cb_noop = B_TRUE; 8362 continue; 8363 case 'L': 8364 cb.cb_keylocation = optarg; 8365 continue; 8366 default: 8367 break; 8368 } 8369 } 8370 8371 switch (c) { 8372 case 'a': 8373 do_all = B_TRUE; 8374 cb.cb_recursive = B_TRUE; 8375 break; 8376 case 'r': 8377 flags |= ZFS_ITER_RECURSE; 8378 cb.cb_recursive = B_TRUE; 8379 break; 8380 default: 8381 (void) fprintf(stderr, 8382 gettext("invalid option '%c'\n"), optopt); 8383 usage(B_FALSE); 8384 } 8385 } 8386 8387 argc -= optind; 8388 argv += optind; 8389 8390 if (!do_all && argc == 0) { 8391 (void) fprintf(stderr, 8392 gettext("Missing dataset argument or -a option\n")); 8393 usage(B_FALSE); 8394 } 8395 8396 if (do_all && argc != 0) { 8397 (void) fprintf(stderr, 8398 gettext("Cannot specify dataset with -a option\n")); 8399 usage(B_FALSE); 8400 } 8401 8402 if (cb.cb_recursive && cb.cb_keylocation != NULL && 8403 strcmp(cb.cb_keylocation, "prompt") != 0) { 8404 (void) fprintf(stderr, gettext("alternate keylocation may only " 8405 "be 'prompt' with -r or -a\n")); 8406 usage(B_FALSE); 8407 } 8408 8409 ret = zfs_for_each(argc, argv, flags, 8410 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0, 8411 load_key_callback, &cb); 8412 8413 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) { 8414 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"), 8415 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed), 8416 (u_longlong_t)cb.cb_numattempted, 8417 loadkey ? (cb.cb_noop ? "verified" : "loaded") : 8418 "unloaded"); 8419 } 8420 8421 if (cb.cb_numfailed != 0) 8422 ret = -1; 8423 8424 return (ret); 8425 } 8426 8427 static int 8428 zfs_do_load_key(int argc, char **argv) 8429 { 8430 return (load_unload_keys(argc, argv, B_TRUE)); 8431 } 8432 8433 8434 static int 8435 zfs_do_unload_key(int argc, char **argv) 8436 { 8437 return (load_unload_keys(argc, argv, B_FALSE)); 8438 } 8439 8440 static int 8441 zfs_do_change_key(int argc, char **argv) 8442 { 8443 int c, ret; 8444 uint64_t keystatus; 8445 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE; 8446 zfs_handle_t *zhp = NULL; 8447 nvlist_t *props = fnvlist_alloc(); 8448 8449 while ((c = getopt(argc, argv, "lio:")) != -1) { 8450 switch (c) { 8451 case 'l': 8452 loadkey = B_TRUE; 8453 break; 8454 case 'i': 8455 inheritkey = B_TRUE; 8456 break; 8457 case 'o': 8458 if (!parseprop(props, optarg)) { 8459 nvlist_free(props); 8460 return (1); 8461 } 8462 break; 8463 default: 8464 (void) fprintf(stderr, 8465 gettext("invalid option '%c'\n"), optopt); 8466 usage(B_FALSE); 8467 } 8468 } 8469 8470 if (inheritkey && !nvlist_empty(props)) { 8471 (void) fprintf(stderr, 8472 gettext("Properties not allowed for inheriting\n")); 8473 usage(B_FALSE); 8474 } 8475 8476 argc -= optind; 8477 argv += optind; 8478 8479 if (argc < 1) { 8480 (void) fprintf(stderr, gettext("Missing dataset argument\n")); 8481 usage(B_FALSE); 8482 } 8483 8484 if (argc > 1) { 8485 (void) fprintf(stderr, gettext("Too many arguments\n")); 8486 usage(B_FALSE); 8487 } 8488 8489 zhp = zfs_open(g_zfs, argv[argc - 1], 8490 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 8491 if (zhp == NULL) 8492 usage(B_FALSE); 8493 8494 if (loadkey) { 8495 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); 8496 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) { 8497 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL); 8498 if (ret != 0) { 8499 nvlist_free(props); 8500 zfs_close(zhp); 8501 return (-1); 8502 } 8503 } 8504 8505 /* refresh the properties so the new keystatus is visible */ 8506 zfs_refresh_properties(zhp); 8507 } 8508 8509 ret = zfs_crypto_rewrap(zhp, props, inheritkey); 8510 if (ret != 0) { 8511 nvlist_free(props); 8512 zfs_close(zhp); 8513 return (-1); 8514 } 8515 8516 nvlist_free(props); 8517 zfs_close(zhp); 8518 return (0); 8519 } 8520 8521 /* 8522 * 1) zfs project [-d|-r] <file|directory ...> 8523 * List project ID and inherit flag of file(s) or directories. 8524 * -d: List the directory itself, not its children. 8525 * -r: List subdirectories recursively. 8526 * 8527 * 2) zfs project -C [-k] [-r] <file|directory ...> 8528 * Clear project inherit flag and/or ID on the file(s) or directories. 8529 * -k: Keep the project ID unchanged. If not specified, the project ID 8530 * will be reset as zero. 8531 * -r: Clear on subdirectories recursively. 8532 * 8533 * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...> 8534 * Check project ID and inherit flag on the file(s) or directories, 8535 * report the outliers. 8536 * -0: Print file name followed by a NUL instead of newline. 8537 * -d: Check the directory itself, not its children. 8538 * -p: Specify the referenced ID for comparing with the target file(s) 8539 * or directories' project IDs. If not specified, the target (top) 8540 * directory's project ID will be used as the referenced one. 8541 * -r: Check subdirectories recursively. 8542 * 8543 * 4) zfs project [-p id] [-r] [-s] <file|directory ...> 8544 * Set project ID and/or inherit flag on the file(s) or directories. 8545 * -p: Set the project ID as the given id. 8546 * -r: Set on subdirectories recursively. If not specify "-p" option, 8547 * it will use top-level directory's project ID as the given id, 8548 * then set both project ID and inherit flag on all descendants 8549 * of the top-level directory. 8550 * -s: Set project inherit flag. 8551 */ 8552 static int 8553 zfs_do_project(int argc, char **argv) 8554 { 8555 zfs_project_control_t zpc = { 8556 .zpc_expected_projid = ZFS_INVALID_PROJID, 8557 .zpc_op = ZFS_PROJECT_OP_DEFAULT, 8558 .zpc_dironly = B_FALSE, 8559 .zpc_keep_projid = B_FALSE, 8560 .zpc_newline = B_TRUE, 8561 .zpc_recursive = B_FALSE, 8562 .zpc_set_flag = B_FALSE, 8563 }; 8564 int ret = 0, c; 8565 8566 if (argc < 2) 8567 usage(B_FALSE); 8568 8569 while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) { 8570 switch (c) { 8571 case '0': 8572 zpc.zpc_newline = B_FALSE; 8573 break; 8574 case 'C': 8575 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { 8576 (void) fprintf(stderr, gettext("cannot " 8577 "specify '-C' '-c' '-s' together\n")); 8578 usage(B_FALSE); 8579 } 8580 8581 zpc.zpc_op = ZFS_PROJECT_OP_CLEAR; 8582 break; 8583 case 'c': 8584 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { 8585 (void) fprintf(stderr, gettext("cannot " 8586 "specify '-C' '-c' '-s' together\n")); 8587 usage(B_FALSE); 8588 } 8589 8590 zpc.zpc_op = ZFS_PROJECT_OP_CHECK; 8591 break; 8592 case 'd': 8593 zpc.zpc_dironly = B_TRUE; 8594 /* overwrite "-r" option */ 8595 zpc.zpc_recursive = B_FALSE; 8596 break; 8597 case 'k': 8598 zpc.zpc_keep_projid = B_TRUE; 8599 break; 8600 case 'p': { 8601 char *endptr; 8602 8603 errno = 0; 8604 zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0); 8605 if (errno != 0 || *endptr != '\0') { 8606 (void) fprintf(stderr, 8607 gettext("project ID must be less than " 8608 "%u\n"), UINT32_MAX); 8609 usage(B_FALSE); 8610 } 8611 if (zpc.zpc_expected_projid >= UINT32_MAX) { 8612 (void) fprintf(stderr, 8613 gettext("invalid project ID\n")); 8614 usage(B_FALSE); 8615 } 8616 break; 8617 } 8618 case 'r': 8619 zpc.zpc_recursive = B_TRUE; 8620 /* overwrite "-d" option */ 8621 zpc.zpc_dironly = B_FALSE; 8622 break; 8623 case 's': 8624 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { 8625 (void) fprintf(stderr, gettext("cannot " 8626 "specify '-C' '-c' '-s' together\n")); 8627 usage(B_FALSE); 8628 } 8629 8630 zpc.zpc_set_flag = B_TRUE; 8631 zpc.zpc_op = ZFS_PROJECT_OP_SET; 8632 break; 8633 default: 8634 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 8635 optopt); 8636 usage(B_FALSE); 8637 } 8638 } 8639 8640 if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) { 8641 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) 8642 zpc.zpc_op = ZFS_PROJECT_OP_SET; 8643 else 8644 zpc.zpc_op = ZFS_PROJECT_OP_LIST; 8645 } 8646 8647 switch (zpc.zpc_op) { 8648 case ZFS_PROJECT_OP_LIST: 8649 if (zpc.zpc_keep_projid) { 8650 (void) fprintf(stderr, 8651 gettext("'-k' is only valid together with '-C'\n")); 8652 usage(B_FALSE); 8653 } 8654 if (!zpc.zpc_newline) { 8655 (void) fprintf(stderr, 8656 gettext("'-0' is only valid together with '-c'\n")); 8657 usage(B_FALSE); 8658 } 8659 break; 8660 case ZFS_PROJECT_OP_CHECK: 8661 if (zpc.zpc_keep_projid) { 8662 (void) fprintf(stderr, 8663 gettext("'-k' is only valid together with '-C'\n")); 8664 usage(B_FALSE); 8665 } 8666 break; 8667 case ZFS_PROJECT_OP_CLEAR: 8668 if (zpc.zpc_dironly) { 8669 (void) fprintf(stderr, 8670 gettext("'-d' is useless together with '-C'\n")); 8671 usage(B_FALSE); 8672 } 8673 if (!zpc.zpc_newline) { 8674 (void) fprintf(stderr, 8675 gettext("'-0' is only valid together with '-c'\n")); 8676 usage(B_FALSE); 8677 } 8678 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) { 8679 (void) fprintf(stderr, 8680 gettext("'-p' is useless together with '-C'\n")); 8681 usage(B_FALSE); 8682 } 8683 break; 8684 case ZFS_PROJECT_OP_SET: 8685 if (zpc.zpc_dironly) { 8686 (void) fprintf(stderr, 8687 gettext("'-d' is useless for set project ID and/or " 8688 "inherit flag\n")); 8689 usage(B_FALSE); 8690 } 8691 if (zpc.zpc_keep_projid) { 8692 (void) fprintf(stderr, 8693 gettext("'-k' is only valid together with '-C'\n")); 8694 usage(B_FALSE); 8695 } 8696 if (!zpc.zpc_newline) { 8697 (void) fprintf(stderr, 8698 gettext("'-0' is only valid together with '-c'\n")); 8699 usage(B_FALSE); 8700 } 8701 break; 8702 default: 8703 ASSERT(0); 8704 break; 8705 } 8706 8707 argv += optind; 8708 argc -= optind; 8709 if (argc == 0) { 8710 (void) fprintf(stderr, 8711 gettext("missing file or directory target(s)\n")); 8712 usage(B_FALSE); 8713 } 8714 8715 for (int i = 0; i < argc; i++) { 8716 int err; 8717 8718 err = zfs_project_handle(argv[i], &zpc); 8719 if (err && !ret) 8720 ret = err; 8721 } 8722 8723 return (ret); 8724 } 8725 8726 static int 8727 zfs_do_wait(int argc, char **argv) 8728 { 8729 boolean_t enabled[ZFS_WAIT_NUM_ACTIVITIES]; 8730 int error = 0, i; 8731 int c; 8732 8733 /* By default, wait for all types of activity. */ 8734 for (i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++) 8735 enabled[i] = B_TRUE; 8736 8737 while ((c = getopt(argc, argv, "t:")) != -1) { 8738 switch (c) { 8739 case 't': 8740 /* Reset activities array */ 8741 memset(&enabled, 0, sizeof (enabled)); 8742 8743 for (char *tok; (tok = strsep(&optarg, ",")); ) { 8744 static const char *const col_subopts[ 8745 ZFS_WAIT_NUM_ACTIVITIES] = { "deleteq" }; 8746 8747 for (i = 0; i < ARRAY_SIZE(col_subopts); ++i) 8748 if (strcmp(tok, col_subopts[i]) == 0) { 8749 enabled[i] = B_TRUE; 8750 goto found; 8751 } 8752 8753 (void) fprintf(stderr, 8754 gettext("invalid activity '%s'\n"), tok); 8755 usage(B_FALSE); 8756 found:; 8757 } 8758 break; 8759 case '?': 8760 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 8761 optopt); 8762 usage(B_FALSE); 8763 } 8764 } 8765 8766 argv += optind; 8767 argc -= optind; 8768 if (argc < 1) { 8769 (void) fprintf(stderr, gettext("missing 'filesystem' " 8770 "argument\n")); 8771 usage(B_FALSE); 8772 } 8773 if (argc > 1) { 8774 (void) fprintf(stderr, gettext("too many arguments\n")); 8775 usage(B_FALSE); 8776 } 8777 8778 zfs_handle_t *zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM); 8779 if (zhp == NULL) 8780 return (1); 8781 8782 for (;;) { 8783 boolean_t missing = B_FALSE; 8784 boolean_t any_waited = B_FALSE; 8785 8786 for (int i = 0; i < ZFS_WAIT_NUM_ACTIVITIES; i++) { 8787 boolean_t waited; 8788 8789 if (!enabled[i]) 8790 continue; 8791 8792 error = zfs_wait_status(zhp, i, &missing, &waited); 8793 if (error != 0 || missing) 8794 break; 8795 8796 any_waited = (any_waited || waited); 8797 } 8798 8799 if (error != 0 || missing || !any_waited) 8800 break; 8801 } 8802 8803 zfs_close(zhp); 8804 8805 return (error); 8806 } 8807 8808 /* 8809 * Display version message 8810 */ 8811 static int 8812 zfs_do_version(int argc, char **argv) 8813 { 8814 (void) argc, (void) argv; 8815 return (zfs_version_print() != 0); 8816 } 8817 8818 /* Display documentation */ 8819 static int 8820 zfs_do_help(int argc, char **argv) 8821 { 8822 char page[MAXNAMELEN]; 8823 if (argc < 3 || strcmp(argv[2], "zfs") == 0) 8824 strcpy(page, "zfs"); 8825 else if (strcmp(argv[2], "concepts") == 0 || 8826 strcmp(argv[2], "props") == 0) 8827 snprintf(page, sizeof (page), "zfs%s", argv[2]); 8828 else 8829 snprintf(page, sizeof (page), "zfs-%s", argv[2]); 8830 8831 execlp("man", "man", page, NULL); 8832 8833 fprintf(stderr, "couldn't run man program: %s", strerror(errno)); 8834 return (-1); 8835 } 8836 8837 int 8838 main(int argc, char **argv) 8839 { 8840 int ret = 0; 8841 int i = 0; 8842 const char *cmdname; 8843 char **newargv; 8844 8845 (void) setlocale(LC_ALL, ""); 8846 (void) setlocale(LC_NUMERIC, "C"); 8847 (void) textdomain(TEXT_DOMAIN); 8848 8849 opterr = 0; 8850 8851 /* 8852 * Make sure the user has specified some command. 8853 */ 8854 if (argc < 2) { 8855 (void) fprintf(stderr, gettext("missing command\n")); 8856 usage(B_FALSE); 8857 } 8858 8859 cmdname = argv[1]; 8860 8861 /* 8862 * The 'umount' command is an alias for 'unmount' 8863 */ 8864 if (strcmp(cmdname, "umount") == 0) 8865 cmdname = "unmount"; 8866 8867 /* 8868 * The 'recv' command is an alias for 'receive' 8869 */ 8870 if (strcmp(cmdname, "recv") == 0) 8871 cmdname = "receive"; 8872 8873 /* 8874 * The 'snap' command is an alias for 'snapshot' 8875 */ 8876 if (strcmp(cmdname, "snap") == 0) 8877 cmdname = "snapshot"; 8878 8879 /* 8880 * Special case '-?' 8881 */ 8882 if ((strcmp(cmdname, "-?") == 0) || 8883 (strcmp(cmdname, "--help") == 0)) 8884 usage(B_TRUE); 8885 8886 /* 8887 * Special case '-V|--version' 8888 */ 8889 if ((strcmp(cmdname, "-V") == 0) || (strcmp(cmdname, "--version") == 0)) 8890 return (zfs_do_version(argc, argv)); 8891 8892 /* 8893 * Special case 'help' 8894 */ 8895 if (strcmp(cmdname, "help") == 0) 8896 return (zfs_do_help(argc, argv)); 8897 8898 if ((g_zfs = libzfs_init()) == NULL) { 8899 (void) fprintf(stderr, "%s\n", libzfs_error_init(errno)); 8900 return (1); 8901 } 8902 8903 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 8904 8905 libzfs_print_on_error(g_zfs, B_TRUE); 8906 8907 zfs_setproctitle_init(argc, argv, environ); 8908 8909 /* 8910 * Many commands modify input strings for string parsing reasons. 8911 * We create a copy to protect the original argv. 8912 */ 8913 newargv = safe_malloc((argc + 1) * sizeof (newargv[0])); 8914 for (i = 0; i < argc; i++) 8915 newargv[i] = strdup(argv[i]); 8916 newargv[argc] = NULL; 8917 8918 /* 8919 * Run the appropriate command. 8920 */ 8921 libzfs_mnttab_cache(g_zfs, B_TRUE); 8922 if (find_command_idx(cmdname, &i) == 0) { 8923 current_command = &command_table[i]; 8924 ret = command_table[i].func(argc - 1, newargv + 1); 8925 } else if (strchr(cmdname, '=') != NULL) { 8926 verify(find_command_idx("set", &i) == 0); 8927 current_command = &command_table[i]; 8928 ret = command_table[i].func(argc, newargv); 8929 } else { 8930 (void) fprintf(stderr, gettext("unrecognized " 8931 "command '%s'\n"), cmdname); 8932 usage(B_FALSE); 8933 ret = 1; 8934 } 8935 8936 for (i = 0; i < argc; i++) 8937 free(newargv[i]); 8938 free(newargv); 8939 8940 if (ret == 0 && log_history) 8941 (void) zpool_log_history(g_zfs, history_str); 8942 8943 libzfs_fini(g_zfs); 8944 8945 /* 8946 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 8947 * for the purposes of running ::findleaks. 8948 */ 8949 if (getenv("ZFS_ABORT") != NULL) { 8950 (void) printf("dumping core by request\n"); 8951 abort(); 8952 } 8953 8954 return (ret); 8955 } 8956 8957 /* 8958 * zfs zone nsfile filesystem 8959 * 8960 * Add or delete the given dataset to/from the namespace. 8961 */ 8962 #ifdef __linux__ 8963 static int 8964 zfs_do_zone_impl(int argc, char **argv, boolean_t attach) 8965 { 8966 zfs_handle_t *zhp; 8967 int ret; 8968 8969 if (argc < 3) { 8970 (void) fprintf(stderr, gettext("missing argument(s)\n")); 8971 usage(B_FALSE); 8972 } 8973 if (argc > 3) { 8974 (void) fprintf(stderr, gettext("too many arguments\n")); 8975 usage(B_FALSE); 8976 } 8977 8978 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM); 8979 if (zhp == NULL) 8980 return (1); 8981 8982 ret = (zfs_userns(zhp, argv[1], attach) != 0); 8983 8984 zfs_close(zhp); 8985 return (ret); 8986 } 8987 8988 static int 8989 zfs_do_zone(int argc, char **argv) 8990 { 8991 return (zfs_do_zone_impl(argc, argv, B_TRUE)); 8992 } 8993 8994 static int 8995 zfs_do_unzone(int argc, char **argv) 8996 { 8997 return (zfs_do_zone_impl(argc, argv, B_FALSE)); 8998 } 8999 #endif 9000 9001 #ifdef __FreeBSD__ 9002 #include <sys/jail.h> 9003 #include <jail.h> 9004 /* 9005 * Attach/detach the given dataset to/from the given jail 9006 */ 9007 static int 9008 zfs_do_jail_impl(int argc, char **argv, boolean_t attach) 9009 { 9010 zfs_handle_t *zhp; 9011 int jailid, ret; 9012 9013 /* check number of arguments */ 9014 if (argc < 3) { 9015 (void) fprintf(stderr, gettext("missing argument(s)\n")); 9016 usage(B_FALSE); 9017 } 9018 if (argc > 3) { 9019 (void) fprintf(stderr, gettext("too many arguments\n")); 9020 usage(B_FALSE); 9021 } 9022 9023 jailid = jail_getid(argv[1]); 9024 if (jailid < 0) { 9025 (void) fprintf(stderr, gettext("invalid jail id or name\n")); 9026 usage(B_FALSE); 9027 } 9028 9029 zhp = zfs_open(g_zfs, argv[2], ZFS_TYPE_FILESYSTEM); 9030 if (zhp == NULL) 9031 return (1); 9032 9033 ret = (zfs_jail(zhp, jailid, attach) != 0); 9034 9035 zfs_close(zhp); 9036 return (ret); 9037 } 9038 9039 /* 9040 * zfs jail jailid filesystem 9041 * 9042 * Attach the given dataset to the given jail 9043 */ 9044 static int 9045 zfs_do_jail(int argc, char **argv) 9046 { 9047 return (zfs_do_jail_impl(argc, argv, B_TRUE)); 9048 } 9049 9050 /* 9051 * zfs unjail jailid filesystem 9052 * 9053 * Detach the given dataset from the given jail 9054 */ 9055 static int 9056 zfs_do_unjail(int argc, char **argv) 9057 { 9058 return (zfs_do_jail_impl(argc, argv, B_FALSE)); 9059 } 9060 #endif 9061