1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2011, 2016 by Delphix. All rights reserved. 25 * Copyright 2012 Milan Jurik. All rights reserved. 26 * Copyright 2019 Joyent, Inc. 27 * Copyright (c) 2011-2012 Pawel Jakub Dawidek. All rights reserved. 28 * Copyright (c) 2013 Steven Hartland. All rights reserved. 29 * Copyright (c) 2014 Integros [integros.com] 30 * Copyright 2016 Igor Kozhukhov <ikozhukhov@gmail.com>. 31 * Copyright 2016 Nexenta Systems, Inc. 32 * Copyright (c) 2018 Datto Inc. 33 * Copyright 2021 RackTop Systems, Inc. 34 */ 35 36 #include <assert.h> 37 #include <ctype.h> 38 #include <errno.h> 39 #include <getopt.h> 40 #include <libgen.h> 41 #include <libintl.h> 42 #include <libuutil.h> 43 #include <libnvpair.h> 44 #include <locale.h> 45 #include <stddef.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 #include <strings.h> 49 #include <unistd.h> 50 #include <fcntl.h> 51 #include <zone.h> 52 #include <grp.h> 53 #include <pwd.h> 54 #include <signal.h> 55 #include <sys/debug.h> 56 #include <sys/list.h> 57 #include <sys/mkdev.h> 58 #include <sys/mntent.h> 59 #include <sys/mnttab.h> 60 #include <sys/mount.h> 61 #include <sys/stat.h> 62 #include <sys/fs/zfs.h> 63 #include <sys/types.h> 64 #include <time.h> 65 #include <sys/zfs_project.h> 66 #include <synch.h> 67 68 #include <libzfs.h> 69 #include <libzfs_core.h> 70 #include <zfs_prop.h> 71 #include <zfs_deleg.h> 72 #include <libzutil.h> 73 #include <libuutil.h> 74 #include <aclutils.h> 75 #include <directory.h> 76 #include <idmap.h> 77 #include <libshare.h> 78 79 #include "zfs_iter.h" 80 #include "zfs_util.h" 81 #include "zfs_comutil.h" 82 #include "zfs_projectutil.h" 83 84 libzfs_handle_t *g_zfs; 85 86 static FILE *mnttab_file; 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_remap(int argc, char **argv); 117 static int zfs_do_channel_program(int argc, char **argv); 118 static int zfs_do_load_key(int argc, char **argv); 119 static int zfs_do_unload_key(int argc, char **argv); 120 static int zfs_do_change_key(int argc, char **argv); 121 static int zfs_do_project(int argc, char **argv); 122 123 /* 124 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds. 125 */ 126 127 #ifdef DEBUG 128 const char * 129 _umem_debug_init(void) 130 { 131 return ("default,verbose"); /* $UMEM_DEBUG setting */ 132 } 133 134 const char * 135 _umem_logging_init(void) 136 { 137 return ("fail,contents"); /* $UMEM_LOGGING setting */ 138 } 139 #endif 140 141 typedef enum { 142 HELP_CLONE, 143 HELP_CREATE, 144 HELP_DESTROY, 145 HELP_GET, 146 HELP_INHERIT, 147 HELP_UPGRADE, 148 HELP_LIST, 149 HELP_MOUNT, 150 HELP_PROMOTE, 151 HELP_RECEIVE, 152 HELP_RENAME, 153 HELP_ROLLBACK, 154 HELP_SEND, 155 HELP_SET, 156 HELP_SHARE, 157 HELP_SNAPSHOT, 158 HELP_UNMOUNT, 159 HELP_UNSHARE, 160 HELP_ALLOW, 161 HELP_UNALLOW, 162 HELP_USERSPACE, 163 HELP_GROUPSPACE, 164 HELP_PROJECTSPACE, 165 HELP_PROJECT, 166 HELP_HOLD, 167 HELP_HOLDS, 168 HELP_RELEASE, 169 HELP_DIFF, 170 HELP_REMAP, 171 HELP_BOOKMARK, 172 HELP_CHANNEL_PROGRAM, 173 HELP_LOAD_KEY, 174 HELP_UNLOAD_KEY, 175 HELP_CHANGE_KEY, 176 } zfs_help_t; 177 178 typedef struct zfs_command { 179 const char *name; 180 int (*func)(int argc, char **argv); 181 zfs_help_t usage; 182 } zfs_command_t; 183 184 /* 185 * Master command table. Each ZFS command has a name, associated function, and 186 * usage message. The usage messages need to be internationalized, so we have 187 * to have a function to return the usage message based on a command index. 188 * 189 * These commands are organized according to how they are displayed in the usage 190 * message. An empty command (one with a NULL name) indicates an empty line in 191 * the generic usage message. 192 */ 193 static zfs_command_t command_table[] = { 194 { "create", zfs_do_create, HELP_CREATE }, 195 { "destroy", zfs_do_destroy, HELP_DESTROY }, 196 { NULL }, 197 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT }, 198 { "rollback", zfs_do_rollback, HELP_ROLLBACK }, 199 { "clone", zfs_do_clone, HELP_CLONE }, 200 { "promote", zfs_do_promote, HELP_PROMOTE }, 201 { "rename", zfs_do_rename, HELP_RENAME }, 202 { "bookmark", zfs_do_bookmark, HELP_BOOKMARK }, 203 { "program", zfs_do_channel_program, HELP_CHANNEL_PROGRAM }, 204 { NULL }, 205 { "list", zfs_do_list, HELP_LIST }, 206 { NULL }, 207 { "set", zfs_do_set, HELP_SET }, 208 { "get", zfs_do_get, HELP_GET }, 209 { "inherit", zfs_do_inherit, HELP_INHERIT }, 210 { "upgrade", zfs_do_upgrade, HELP_UPGRADE }, 211 { NULL }, 212 { "userspace", zfs_do_userspace, HELP_USERSPACE }, 213 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE }, 214 { "projectspace", zfs_do_userspace, HELP_PROJECTSPACE }, 215 { NULL }, 216 { "project", zfs_do_project, HELP_PROJECT }, 217 { NULL }, 218 { "mount", zfs_do_mount, HELP_MOUNT }, 219 { "unmount", zfs_do_unmount, HELP_UNMOUNT }, 220 { "share", zfs_do_share, HELP_SHARE }, 221 { "unshare", zfs_do_unshare, HELP_UNSHARE }, 222 { NULL }, 223 { "send", zfs_do_send, HELP_SEND }, 224 { "receive", zfs_do_receive, HELP_RECEIVE }, 225 { NULL }, 226 { "allow", zfs_do_allow, HELP_ALLOW }, 227 { NULL }, 228 { "unallow", zfs_do_unallow, HELP_UNALLOW }, 229 { NULL }, 230 { "hold", zfs_do_hold, HELP_HOLD }, 231 { "holds", zfs_do_holds, HELP_HOLDS }, 232 { "release", zfs_do_release, HELP_RELEASE }, 233 { "diff", zfs_do_diff, HELP_DIFF }, 234 { "remap", zfs_do_remap, HELP_REMAP }, 235 { "load-key", zfs_do_load_key, HELP_LOAD_KEY }, 236 { "unload-key", zfs_do_unload_key, HELP_UNLOAD_KEY }, 237 { "change-key", zfs_do_change_key, HELP_CHANGE_KEY }, 238 }; 239 240 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0])) 241 242 zfs_command_t *current_command; 243 244 static const char * 245 get_usage(zfs_help_t idx) 246 { 247 switch (idx) { 248 case HELP_CLONE: 249 return (gettext("\tclone [-p] [-o property=value] ... " 250 "<snapshot> <filesystem|volume>\n")); 251 case HELP_CREATE: 252 return (gettext("\tcreate [-Pnpv] [-o property=value] ... " 253 "<filesystem>\n" 254 "\tcreate [-Pnpsv] [-b blocksize] [-o property=value] ... " 255 "-V <size> <volume>\n")); 256 case HELP_DESTROY: 257 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n" 258 "\tdestroy [-dnpRrv] " 259 "<filesystem|volume>@<snap>[%<snap>][,...]\n" 260 "\tdestroy <filesystem|volume>#<bookmark>\n")); 261 case HELP_GET: 262 return (gettext("\tget [-rHp] [-d max] " 263 "[-o \"all\" | field[,...]]\n" 264 "\t [-t type[,...]] [-s source[,...]]\n" 265 "\t <\"all\" | property[,...]> " 266 "[filesystem|volume|snapshot|bookmark] ...\n")); 267 case HELP_INHERIT: 268 return (gettext("\tinherit [-rS] <property> " 269 "<filesystem|volume|snapshot> ...\n")); 270 case HELP_UPGRADE: 271 return (gettext("\tupgrade [-v]\n" 272 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n")); 273 case HELP_LIST: 274 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] " 275 "[-s property]...\n\t [-S property]... [-t type[,...]] " 276 "[filesystem|volume|snapshot] ...\n")); 277 case HELP_MOUNT: 278 return (gettext("\tmount\n" 279 "\tmount [-lvO] [-o opts] <-a | filesystem>\n")); 280 case HELP_PROMOTE: 281 return (gettext("\tpromote <clone-filesystem>\n")); 282 case HELP_RECEIVE: 283 return (gettext("\treceive [-vnsFhu] " 284 "[-o <property>=<value>] ... [-x <property>] ...\n" 285 "\t <filesystem|volume|snapshot>\n" 286 "\treceive [-vnsFhu] [-o <property>=<value>] ... " 287 "[-x <property>] ... \n" 288 "\t [-d | -e] <filesystem>\n" 289 "\treceive -A <filesystem|volume>\n")); 290 case HELP_RENAME: 291 return (gettext("\trename [-f] <filesystem|volume|snapshot> " 292 "<filesystem|volume|snapshot>\n" 293 "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n" 294 "\trename -r <snapshot> <snapshot>\n")); 295 case HELP_ROLLBACK: 296 return (gettext("\trollback [-rRf] <snapshot>\n")); 297 case HELP_SEND: 298 return (gettext("\tsend [-DnPpRvLecwhb] [-[iI] snapshot] " 299 "<snapshot>\n" 300 "\tsend [-nvPLecw] [-i snapshot|bookmark] " 301 "<filesystem|volume|snapshot>\n" 302 "\tsend [-nvPe] -t <receive_resume_token>\n")); 303 case HELP_SET: 304 return (gettext("\tset <property=value> ... " 305 "<filesystem|volume|snapshot> ...\n")); 306 case HELP_SHARE: 307 return (gettext("\tshare [-l] <-a | filesystem>\n")); 308 case HELP_SNAPSHOT: 309 return (gettext("\tsnapshot [-r] [-o property=value] ... " 310 "<filesystem|volume>@<snap> ...\n")); 311 case HELP_UNMOUNT: 312 return (gettext("\tunmount [-f] " 313 "<-a | filesystem|mountpoint>\n")); 314 case HELP_UNSHARE: 315 return (gettext("\tunshare " 316 "<-a | filesystem|mountpoint>\n")); 317 case HELP_ALLOW: 318 return (gettext("\tallow <filesystem|volume>\n" 319 "\tallow [-ldug] " 320 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n" 321 "\t <filesystem|volume>\n" 322 "\tallow [-ld] -e <perm|@setname>[,...] " 323 "<filesystem|volume>\n" 324 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n" 325 "\tallow -s @setname <perm|@setname>[,...] " 326 "<filesystem|volume>\n")); 327 case HELP_UNALLOW: 328 return (gettext("\tunallow [-rldug] " 329 "<\"everyone\"|user|group>[,...]\n" 330 "\t [<perm|@setname>[,...]] <filesystem|volume>\n" 331 "\tunallow [-rld] -e [<perm|@setname>[,...]] " 332 "<filesystem|volume>\n" 333 "\tunallow [-r] -c [<perm|@setname>[,...]] " 334 "<filesystem|volume>\n" 335 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] " 336 "<filesystem|volume>\n")); 337 case HELP_USERSPACE: 338 return (gettext("\tuserspace [-Hinp] [-o field[,...]] " 339 "[-s field] ...\n" 340 "\t [-S field] ... [-t type[,...]] " 341 "<filesystem|snapshot>\n")); 342 case HELP_GROUPSPACE: 343 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] " 344 "[-s field] ...\n" 345 "\t [-S field] ... [-t type[,...]] " 346 "<filesystem|snapshot>\n")); 347 case HELP_PROJECTSPACE: 348 return (gettext("\tprojectspace [-Hp] [-o field[,...]] " 349 "[-s field] ... \n" 350 "\t [-S field] ... <filesystem|snapshot>\n")); 351 case HELP_PROJECT: 352 return (gettext("\tproject [-d|-r] <directory|file ...>\n" 353 "\tproject -c [-0] [-d|-r] [-p id] <directory|file ...>\n" 354 "\tproject -C [-k] [-r] <directory ...>\n" 355 "\tproject [-p id] [-r] [-s] <directory ...>\n")); 356 case HELP_HOLD: 357 return (gettext("\thold [-r] <tag> <snapshot> ...\n")); 358 case HELP_HOLDS: 359 return (gettext("\tholds [-r] <snapshot> ...\n")); 360 case HELP_RELEASE: 361 return (gettext("\trelease [-r] <tag> <snapshot> ...\n")); 362 case HELP_DIFF: 363 return (gettext("\tdiff [-FHt] <snapshot> " 364 "[snapshot|filesystem]\n")); 365 case HELP_REMAP: 366 return (gettext("\tremap <filesystem | volume>\n")); 367 case HELP_BOOKMARK: 368 return (gettext("\tbookmark <snapshot> <bookmark>\n")); 369 case HELP_CHANNEL_PROGRAM: 370 return (gettext("\tprogram [-jn] [-t <instruction limit>] " 371 "[-m <memory limit (b)>] <pool> <program file> " 372 "[lua args...]\n")); 373 case HELP_LOAD_KEY: 374 return (gettext("\tload-key [-rn] [-L <keylocation>] " 375 "<-a | filesystem|volume>\n")); 376 case HELP_UNLOAD_KEY: 377 return (gettext("\tunload-key [-r] " 378 "<-a | filesystem|volume>\n")); 379 case HELP_CHANGE_KEY: 380 return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n" 381 "\t [-o keylocation=<value>] [-o pbkfd2iters=<value>]\n" 382 "\t <filesystem|volume>\n" 383 "\tchange-key -i [-l] <filesystem|volume>\n")); 384 } 385 386 abort(); 387 /* NOTREACHED */ 388 } 389 390 void 391 nomem(void) 392 { 393 (void) fprintf(stderr, gettext("internal error: out of memory\n")); 394 exit(1); 395 } 396 397 /* 398 * Utility function to guarantee malloc() success. 399 */ 400 401 void * 402 safe_malloc(size_t size) 403 { 404 void *data; 405 406 if ((data = calloc(1, size)) == NULL) 407 nomem(); 408 409 return (data); 410 } 411 412 void * 413 safe_realloc(void *data, size_t size) 414 { 415 void *newp; 416 if ((newp = realloc(data, size)) == NULL) { 417 free(data); 418 nomem(); 419 } 420 421 return (newp); 422 } 423 424 static char * 425 safe_strdup(char *str) 426 { 427 char *dupstr = strdup(str); 428 429 if (dupstr == NULL) 430 nomem(); 431 432 return (dupstr); 433 } 434 435 /* 436 * Callback routine that will print out information for each of 437 * the properties. 438 */ 439 static int 440 usage_prop_cb(int prop, void *cb) 441 { 442 FILE *fp = cb; 443 444 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop)); 445 446 if (zfs_prop_readonly(prop)) 447 (void) fprintf(fp, " NO "); 448 else 449 (void) fprintf(fp, "YES "); 450 451 if (zfs_prop_inheritable(prop)) 452 (void) fprintf(fp, " YES "); 453 else 454 (void) fprintf(fp, " NO "); 455 456 if (zfs_prop_values(prop) == NULL) 457 (void) fprintf(fp, "-\n"); 458 else 459 (void) fprintf(fp, "%s\n", zfs_prop_values(prop)); 460 461 return (ZPROP_CONT); 462 } 463 464 /* 465 * Display usage message. If we're inside a command, display only the usage for 466 * that command. Otherwise, iterate over the entire command table and display 467 * a complete usage message. 468 */ 469 static void 470 usage(boolean_t requested) 471 { 472 int i; 473 boolean_t show_properties = B_FALSE; 474 FILE *fp = requested ? stdout : stderr; 475 476 if (current_command == NULL) { 477 478 (void) fprintf(fp, gettext("usage: zfs command args ...\n")); 479 (void) fprintf(fp, 480 gettext("where 'command' is one of the following:\n\n")); 481 482 for (i = 0; i < NCOMMAND; i++) { 483 if (command_table[i].name == NULL) 484 (void) fprintf(fp, "\n"); 485 else 486 (void) fprintf(fp, "%s", 487 get_usage(command_table[i].usage)); 488 } 489 490 (void) fprintf(fp, gettext("\nEach dataset is of the form: " 491 "pool/[dataset/]*dataset[@name]\n")); 492 } else { 493 (void) fprintf(fp, gettext("usage:\n")); 494 (void) fprintf(fp, "%s", get_usage(current_command->usage)); 495 } 496 497 if (current_command != NULL && 498 (strcmp(current_command->name, "set") == 0 || 499 strcmp(current_command->name, "get") == 0 || 500 strcmp(current_command->name, "inherit") == 0 || 501 strcmp(current_command->name, "list") == 0)) 502 show_properties = B_TRUE; 503 504 if (show_properties) { 505 (void) fprintf(fp, 506 gettext("\nThe following properties are supported:\n")); 507 508 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n", 509 "PROPERTY", "EDIT", "INHERIT", "VALUES"); 510 511 /* Iterate over all properties */ 512 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE, 513 ZFS_TYPE_DATASET); 514 515 (void) fprintf(fp, "\t%-15s ", "userused@..."); 516 (void) fprintf(fp, " NO NO <size>\n"); 517 (void) fprintf(fp, "\t%-15s ", "groupused@..."); 518 (void) fprintf(fp, " NO NO <size>\n"); 519 (void) fprintf(fp, "\t%-15s ", "projectused@..."); 520 (void) fprintf(fp, " NO NO <size>\n"); 521 (void) fprintf(fp, "\t%-15s ", "userobjused@..."); 522 (void) fprintf(fp, " NO NO <size>\n"); 523 (void) fprintf(fp, "\t%-15s ", "groupobjused@..."); 524 (void) fprintf(fp, " NO NO <size>\n"); 525 (void) fprintf(fp, "\t%-15s ", "projectobjused@..."); 526 (void) fprintf(fp, " NO NO <size>\n"); 527 (void) fprintf(fp, "\t%-15s ", "userquota@..."); 528 (void) fprintf(fp, "YES NO <size> | none\n"); 529 (void) fprintf(fp, "\t%-15s ", "groupquota@..."); 530 (void) fprintf(fp, "YES NO <size> | none\n"); 531 (void) fprintf(fp, "\t%-15s ", "projectquota@..."); 532 (void) fprintf(fp, "YES NO <size> | none\n"); 533 (void) fprintf(fp, "\t%-15s ", "userobjquota@..."); 534 (void) fprintf(fp, "YES NO <size> | none\n"); 535 (void) fprintf(fp, "\t%-15s ", "groupobjquota@..."); 536 (void) fprintf(fp, "YES NO <size> | none\n"); 537 (void) fprintf(fp, "\t%-15s ", "projectobjquota@..."); 538 (void) fprintf(fp, "YES NO <size> | none\n"); 539 (void) fprintf(fp, "\t%-15s ", "written@<snap>"); 540 (void) fprintf(fp, " NO NO <size>\n"); 541 542 (void) fprintf(fp, gettext("\nSizes are specified in bytes " 543 "with standard units such as K, M, G, etc.\n")); 544 (void) fprintf(fp, gettext("\nUser-defined properties can " 545 "be specified by using a name containing a colon (:).\n")); 546 (void) fprintf(fp, gettext("\nThe {user|group|project}" 547 "[obj]{used|quota}@ properties must be appended with\n" 548 "a user|group|project specifier of one of these forms:\n" 549 " POSIX name (eg: \"matt\")\n" 550 " POSIX id (eg: \"126829\")\n" 551 " SMB name@domain (eg: \"matt@sun\")\n" 552 " SMB SID (eg: \"S-1-234-567-89\")\n")); 553 } else { 554 (void) fprintf(fp, 555 gettext("\nFor the property list, run: %s\n"), 556 "zfs set|get"); 557 (void) fprintf(fp, 558 gettext("\nFor the delegated permission list, run: %s\n"), 559 "zfs allow|unallow"); 560 } 561 562 /* 563 * See comments at end of main(). 564 */ 565 if (getenv("ZFS_ABORT") != NULL) { 566 (void) printf("dumping core by request\n"); 567 abort(); 568 } 569 570 exit(requested ? 0 : 2); 571 } 572 573 /* 574 * Take a property=value argument string and add it to the given nvlist. 575 * Modifies the argument inplace. 576 */ 577 static boolean_t 578 parseprop(nvlist_t *props, char *propname) 579 { 580 char *propval; 581 582 if ((propval = strchr(propname, '=')) == NULL) { 583 (void) fprintf(stderr, gettext("missing " 584 "'=' for property=value argument\n")); 585 return (B_FALSE); 586 } 587 *propval = '\0'; 588 propval++; 589 if (nvlist_exists(props, propname)) { 590 (void) fprintf(stderr, gettext("property '%s' " 591 "specified multiple times\n"), propname); 592 return (B_FALSE); 593 } 594 if (nvlist_add_string(props, propname, propval) != 0) 595 nomem(); 596 return (B_TRUE); 597 } 598 599 /* 600 * Take a property name argument and add it to the given nvlist. 601 * Modifies the argument inplace. 602 */ 603 static boolean_t 604 parsepropname(nvlist_t *props, char *propname) 605 { 606 if (strchr(propname, '=') != NULL) { 607 (void) fprintf(stderr, gettext("invalid character " 608 "'=' in property argument\n")); 609 return (B_FALSE); 610 } 611 if (nvlist_exists(props, propname)) { 612 (void) fprintf(stderr, gettext("property '%s' " 613 "specified multiple times\n"), propname); 614 return (B_FALSE); 615 } 616 if (nvlist_add_boolean(props, propname) != 0) 617 nomem(); 618 return (B_TRUE); 619 } 620 621 static int 622 parse_depth(char *opt, int *flags) 623 { 624 char *tmp; 625 int depth; 626 627 depth = (int)strtol(opt, &tmp, 0); 628 if (*tmp) { 629 (void) fprintf(stderr, 630 gettext("%s is not an integer\n"), optarg); 631 usage(B_FALSE); 632 } 633 if (depth < 0) { 634 (void) fprintf(stderr, 635 gettext("Depth can not be negative.\n")); 636 usage(B_FALSE); 637 } 638 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE); 639 return (depth); 640 } 641 642 #define PROGRESS_DELAY 2 /* seconds */ 643 644 static char *pt_reverse = "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b"; 645 static time_t pt_begin; 646 static char *pt_header = NULL; 647 static boolean_t pt_shown; 648 649 static void 650 start_progress_timer(void) 651 { 652 pt_begin = time(NULL) + PROGRESS_DELAY; 653 pt_shown = B_FALSE; 654 } 655 656 static void 657 set_progress_header(char *header) 658 { 659 assert(pt_header == NULL); 660 pt_header = safe_strdup(header); 661 if (pt_shown) { 662 (void) printf("%s: ", header); 663 (void) fflush(stdout); 664 } 665 } 666 667 static void 668 update_progress(char *update) 669 { 670 if (!pt_shown && time(NULL) > pt_begin) { 671 int len = strlen(update); 672 673 (void) printf("%s: %s%*.*s", pt_header, update, len, len, 674 pt_reverse); 675 (void) fflush(stdout); 676 pt_shown = B_TRUE; 677 } else if (pt_shown) { 678 int len = strlen(update); 679 680 (void) printf("%s%*.*s", update, len, len, pt_reverse); 681 (void) fflush(stdout); 682 } 683 } 684 685 static void 686 finish_progress(char *done) 687 { 688 if (pt_shown) { 689 (void) printf("%s\n", done); 690 (void) fflush(stdout); 691 } 692 free(pt_header); 693 pt_header = NULL; 694 } 695 696 static int 697 zfs_mount_and_share(libzfs_handle_t *hdl, const char *dataset, zfs_type_t type) 698 { 699 zfs_handle_t *zhp = NULL; 700 int ret = 0; 701 702 zhp = zfs_open(hdl, dataset, type); 703 if (zhp == NULL) 704 return (1); 705 706 /* 707 * Volumes may neither be mounted or shared. Potentially in the 708 * future filesystems detected on these volumes could be mounted. 709 */ 710 if (zfs_get_type(zhp) == ZFS_TYPE_VOLUME) { 711 zfs_close(zhp); 712 return (0); 713 } 714 715 /* 716 * Mount and/or share the new filesystem as appropriate. We provide a 717 * verbose error message to let the user know that their filesystem was 718 * in fact created, even if we failed to mount or share it. 719 * 720 * If the user doesn't want the dataset automatically mounted, then 721 * skip the mount/share step 722 */ 723 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type, B_FALSE) && 724 zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == ZFS_CANMOUNT_ON) { 725 if (zfs_mount(zhp, NULL, 0) != 0) { 726 (void) fprintf(stderr, gettext("filesystem " 727 "successfully created, but not mounted\n")); 728 ret = 1; 729 } else if (zfs_share(zhp) != 0) { 730 (void) fprintf(stderr, gettext("filesystem " 731 "successfully created, but not shared\n")); 732 ret = 1; 733 } 734 } 735 736 zfs_close(zhp); 737 738 return (ret); 739 } 740 741 /* 742 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol> 743 * 744 * Given an existing dataset, create a writable copy whose initial contents 745 * are the same as the source. The newly created dataset maintains a 746 * dependency on the original; the original cannot be destroyed so long as 747 * the clone exists. 748 * 749 * The '-p' flag creates all the non-existing ancestors of the target first. 750 */ 751 static int 752 zfs_do_clone(int argc, char **argv) 753 { 754 zfs_handle_t *zhp = NULL; 755 boolean_t parents = B_FALSE; 756 nvlist_t *props; 757 int ret = 0; 758 int c; 759 760 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 761 nomem(); 762 763 /* check options */ 764 while ((c = getopt(argc, argv, "o:p")) != -1) { 765 switch (c) { 766 case 'o': 767 if (!parseprop(props, optarg)) { 768 nvlist_free(props); 769 return (1); 770 } 771 break; 772 case 'p': 773 parents = B_TRUE; 774 break; 775 case '?': 776 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 777 optopt); 778 goto usage; 779 } 780 } 781 782 argc -= optind; 783 argv += optind; 784 785 /* check number of arguments */ 786 if (argc < 1) { 787 (void) fprintf(stderr, gettext("missing source dataset " 788 "argument\n")); 789 goto usage; 790 } 791 if (argc < 2) { 792 (void) fprintf(stderr, gettext("missing target dataset " 793 "argument\n")); 794 goto usage; 795 } 796 if (argc > 2) { 797 (void) fprintf(stderr, gettext("too many arguments\n")); 798 goto usage; 799 } 800 801 /* open the source dataset */ 802 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) 803 return (1); 804 805 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM | 806 ZFS_TYPE_VOLUME)) { 807 /* 808 * Now create the ancestors of the target dataset. If the 809 * target already exists and '-p' option was used we should not 810 * complain. 811 */ 812 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | 813 ZFS_TYPE_VOLUME)) 814 return (0); 815 if (zfs_create_ancestors(g_zfs, argv[1]) != 0) 816 return (1); 817 } 818 819 /* pass to libzfs */ 820 ret = zfs_clone(zhp, argv[1], props); 821 822 /* create the mountpoint if necessary */ 823 if (ret == 0) { 824 if (log_history) { 825 (void) zpool_log_history(g_zfs, history_str); 826 log_history = B_FALSE; 827 } 828 829 ret = zfs_mount_and_share(g_zfs, argv[1], ZFS_TYPE_DATASET); 830 } 831 832 zfs_close(zhp); 833 nvlist_free(props); 834 835 return (!!ret); 836 837 usage: 838 if (zhp) 839 zfs_close(zhp); 840 nvlist_free(props); 841 usage(B_FALSE); 842 return (-1); 843 } 844 845 /* 846 * zfs create [-Pnpv] [-o prop=value] ... fs 847 * zfs create [-Pnpsv] [-b blocksize] [-o prop=value] ... -V vol size 848 * 849 * Create a new dataset. This command can be used to create filesystems 850 * and volumes. Snapshot creation is handled by 'zfs snapshot'. 851 * For volumes, the user must specify a size to be used. 852 * 853 * The '-s' flag applies only to volumes, and indicates that we should not try 854 * to set the reservation for this volume. By default we set a reservation 855 * equal to the size for any volume. For pools with SPA_VERSION >= 856 * SPA_VERSION_REFRESERVATION, we set a refreservation instead. 857 * 858 * The '-p' flag creates all the non-existing ancestors of the target first. 859 * 860 * The '-n' flag is no-op (dry run) mode. This will perform a user-space sanity 861 * check of arguments and properties, but does not check for permissions, 862 * available space, etc. 863 * 864 * The '-v' flag is for verbose output. 865 * 866 * The '-P' flag is used for parseable output. It implies '-v'. 867 */ 868 static int 869 zfs_do_create(int argc, char **argv) 870 { 871 zfs_type_t type = ZFS_TYPE_FILESYSTEM; 872 zpool_handle_t *zpool_handle = NULL; 873 nvlist_t *real_props = NULL; 874 uint64_t volsize = 0; 875 int c; 876 boolean_t noreserve = B_FALSE; 877 boolean_t bflag = B_FALSE; 878 boolean_t parents = B_FALSE; 879 boolean_t dryrun = B_FALSE; 880 boolean_t verbose = B_FALSE; 881 boolean_t parseable = B_FALSE; 882 int ret = 1; 883 nvlist_t *props; 884 uint64_t intval; 885 886 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 887 nomem(); 888 889 /* check options */ 890 while ((c = getopt(argc, argv, ":PV:b:nso:pv")) != -1) { 891 switch (c) { 892 case 'V': 893 type = ZFS_TYPE_VOLUME; 894 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { 895 (void) fprintf(stderr, gettext("bad volume " 896 "size '%s': %s\n"), optarg, 897 libzfs_error_description(g_zfs)); 898 goto error; 899 } 900 901 if (nvlist_add_uint64(props, 902 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0) 903 nomem(); 904 volsize = intval; 905 break; 906 case 'P': 907 verbose = B_TRUE; 908 parseable = B_TRUE; 909 break; 910 case 'p': 911 parents = B_TRUE; 912 break; 913 case 'b': 914 bflag = B_TRUE; 915 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) { 916 (void) fprintf(stderr, gettext("bad volume " 917 "block size '%s': %s\n"), optarg, 918 libzfs_error_description(g_zfs)); 919 goto error; 920 } 921 922 if (nvlist_add_uint64(props, 923 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE), 924 intval) != 0) 925 nomem(); 926 break; 927 case 'n': 928 dryrun = B_TRUE; 929 break; 930 case 'o': 931 if (!parseprop(props, optarg)) 932 goto error; 933 break; 934 case 's': 935 noreserve = B_TRUE; 936 break; 937 case 'v': 938 verbose = B_TRUE; 939 break; 940 case ':': 941 (void) fprintf(stderr, gettext("missing size " 942 "argument\n")); 943 goto badusage; 944 case '?': 945 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 946 optopt); 947 goto badusage; 948 } 949 } 950 951 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) { 952 (void) fprintf(stderr, gettext("'-s' and '-b' can only be " 953 "used when creating a volume\n")); 954 goto badusage; 955 } 956 957 argc -= optind; 958 argv += optind; 959 960 /* check number of arguments */ 961 if (argc == 0) { 962 (void) fprintf(stderr, gettext("missing %s argument\n"), 963 zfs_type_to_name(type)); 964 goto badusage; 965 } 966 if (argc > 1) { 967 (void) fprintf(stderr, gettext("too many arguments\n")); 968 goto badusage; 969 } 970 971 if (dryrun || (type == ZFS_TYPE_VOLUME && !noreserve)) { 972 char msg[ZFS_MAX_DATASET_NAME_LEN * 2]; 973 char *p; 974 975 if ((p = strchr(argv[0], '/')) != NULL) 976 *p = '\0'; 977 zpool_handle = zpool_open(g_zfs, argv[0]); 978 if (p != NULL) 979 *p = '/'; 980 if (zpool_handle == NULL) 981 goto error; 982 983 (void) snprintf(msg, sizeof (msg), 984 dryrun ? gettext("cannot verify '%s'") : 985 gettext("cannot create '%s'"), argv[0]); 986 if (props && (real_props = zfs_valid_proplist(g_zfs, type, 987 props, 0, NULL, zpool_handle, B_TRUE, msg)) == NULL) { 988 zpool_close(zpool_handle); 989 goto error; 990 } 991 } 992 993 if (type == ZFS_TYPE_VOLUME && !noreserve) { 994 uint64_t spa_version; 995 zfs_prop_t resv_prop; 996 char *strval; 997 998 spa_version = zpool_get_prop_int(zpool_handle, 999 ZPOOL_PROP_VERSION, NULL); 1000 if (spa_version >= SPA_VERSION_REFRESERVATION) 1001 resv_prop = ZFS_PROP_REFRESERVATION; 1002 else 1003 resv_prop = ZFS_PROP_RESERVATION; 1004 1005 volsize = zvol_volsize_to_reservation(zpool_handle, volsize, 1006 real_props); 1007 1008 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop), 1009 &strval) != 0) { 1010 if (nvlist_add_uint64(props, 1011 zfs_prop_to_name(resv_prop), volsize) != 0) { 1012 nvlist_free(props); 1013 nomem(); 1014 } 1015 } 1016 } 1017 if (zpool_handle != NULL) { 1018 zpool_close(zpool_handle); 1019 nvlist_free(real_props); 1020 } 1021 1022 if (parents && zfs_name_valid(argv[0], type)) { 1023 /* 1024 * Now create the ancestors of target dataset. If the target 1025 * already exists and '-p' option was used we should not 1026 * complain. 1027 */ 1028 if (zfs_dataset_exists(g_zfs, argv[0], type)) { 1029 ret = 0; 1030 goto error; 1031 } 1032 if (verbose) { 1033 (void) printf(parseable ? "create_ancestors\t%s\n" : 1034 dryrun ? "would create ancestors of %s\n" : 1035 "create ancestors of %s\n", argv[0]); 1036 } 1037 if (!dryrun) { 1038 if (zfs_create_ancestors(g_zfs, argv[0]) != 0) { 1039 goto error; 1040 } 1041 } 1042 } 1043 1044 if (verbose) { 1045 nvpair_t *nvp = NULL; 1046 (void) printf(parseable ? "create\t%s\n" : 1047 dryrun ? "would create %s\n" : "create %s\n", argv[0]); 1048 while ((nvp = nvlist_next_nvpair(props, nvp)) != NULL) { 1049 uint64_t uval; 1050 char *sval; 1051 1052 switch (nvpair_type(nvp)) { 1053 case DATA_TYPE_UINT64: 1054 VERIFY0(nvpair_value_uint64(nvp, &uval)); 1055 (void) printf(parseable ? 1056 "property\t%s\t%llu\n" : "\t%s=%llu\n", 1057 nvpair_name(nvp), (u_longlong_t)uval); 1058 break; 1059 case DATA_TYPE_STRING: 1060 VERIFY0(nvpair_value_string(nvp, &sval)); 1061 (void) printf(parseable ? 1062 "property\t%s\t%s\n" : "\t%s=%s\n", 1063 nvpair_name(nvp), sval); 1064 break; 1065 default: 1066 (void) fprintf(stderr, "property '%s' " 1067 "has illegal type %d\n", 1068 nvpair_name(nvp), nvpair_type(nvp)); 1069 abort(); 1070 } 1071 } 1072 } 1073 if (dryrun) { 1074 ret = 0; 1075 goto error; 1076 } 1077 1078 /* pass to libzfs */ 1079 if (zfs_create(g_zfs, argv[0], type, props) != 0) 1080 goto error; 1081 1082 if (log_history) { 1083 (void) zpool_log_history(g_zfs, history_str); 1084 log_history = B_FALSE; 1085 } 1086 1087 ret = zfs_mount_and_share(g_zfs, argv[0], ZFS_TYPE_DATASET); 1088 error: 1089 nvlist_free(props); 1090 return (ret); 1091 badusage: 1092 nvlist_free(props); 1093 usage(B_FALSE); 1094 return (2); 1095 } 1096 1097 /* 1098 * zfs destroy [-rRf] <fs, vol> 1099 * zfs destroy [-rRd] <snap> 1100 * 1101 * -r Recursively destroy all children 1102 * -R Recursively destroy all dependents, including clones 1103 * -f Force unmounting of any dependents 1104 * -d If we can't destroy now, mark for deferred destruction 1105 * 1106 * Destroys the given dataset. By default, it will unmount any filesystems, 1107 * and refuse to destroy a dataset that has any dependents. A dependent can 1108 * either be a child, or a clone of a child. 1109 */ 1110 typedef struct destroy_cbdata { 1111 boolean_t cb_first; 1112 boolean_t cb_force; 1113 boolean_t cb_recurse; 1114 boolean_t cb_error; 1115 boolean_t cb_doclones; 1116 zfs_handle_t *cb_target; 1117 boolean_t cb_defer_destroy; 1118 boolean_t cb_verbose; 1119 boolean_t cb_parsable; 1120 boolean_t cb_dryrun; 1121 nvlist_t *cb_nvl; 1122 nvlist_t *cb_batchedsnaps; 1123 1124 /* first snap in contiguous run */ 1125 char *cb_firstsnap; 1126 /* previous snap in contiguous run */ 1127 char *cb_prevsnap; 1128 int64_t cb_snapused; 1129 char *cb_snapspec; 1130 char *cb_bookmark; 1131 } destroy_cbdata_t; 1132 1133 /* 1134 * Check for any dependents based on the '-r' or '-R' flags. 1135 */ 1136 static int 1137 destroy_check_dependent(zfs_handle_t *zhp, void *data) 1138 { 1139 destroy_cbdata_t *cbp = data; 1140 const char *tname = zfs_get_name(cbp->cb_target); 1141 const char *name = zfs_get_name(zhp); 1142 1143 if (strncmp(tname, name, strlen(tname)) == 0 && 1144 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) { 1145 /* 1146 * This is a direct descendant, not a clone somewhere else in 1147 * the hierarchy. 1148 */ 1149 if (cbp->cb_recurse) 1150 goto out; 1151 1152 if (cbp->cb_first) { 1153 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1154 "%s has children\n"), 1155 zfs_get_name(cbp->cb_target), 1156 zfs_type_to_name(zfs_get_type(cbp->cb_target))); 1157 (void) fprintf(stderr, gettext("use '-r' to destroy " 1158 "the following datasets:\n")); 1159 cbp->cb_first = B_FALSE; 1160 cbp->cb_error = B_TRUE; 1161 } 1162 1163 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 1164 } else { 1165 /* 1166 * This is a clone. We only want to report this if the '-r' 1167 * wasn't specified, or the target is a snapshot. 1168 */ 1169 if (!cbp->cb_recurse && 1170 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT) 1171 goto out; 1172 1173 if (cbp->cb_first) { 1174 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1175 "%s has dependent clones\n"), 1176 zfs_get_name(cbp->cb_target), 1177 zfs_type_to_name(zfs_get_type(cbp->cb_target))); 1178 (void) fprintf(stderr, gettext("use '-R' to destroy " 1179 "the following datasets:\n")); 1180 cbp->cb_first = B_FALSE; 1181 cbp->cb_error = B_TRUE; 1182 cbp->cb_dryrun = B_TRUE; 1183 } 1184 1185 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 1186 } 1187 1188 out: 1189 zfs_close(zhp); 1190 return (0); 1191 } 1192 1193 static int 1194 destroy_callback(zfs_handle_t *zhp, void *data) 1195 { 1196 destroy_cbdata_t *cb = data; 1197 const char *name = zfs_get_name(zhp); 1198 1199 if (cb->cb_verbose) { 1200 if (cb->cb_parsable) { 1201 (void) printf("destroy\t%s\n", name); 1202 } else if (cb->cb_dryrun) { 1203 (void) printf(gettext("would destroy %s\n"), 1204 name); 1205 } else { 1206 (void) printf(gettext("will destroy %s\n"), 1207 name); 1208 } 1209 } 1210 1211 /* 1212 * Ignore pools (which we've already flagged as an error before getting 1213 * here). 1214 */ 1215 if (strchr(zfs_get_name(zhp), '/') == NULL && 1216 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { 1217 zfs_close(zhp); 1218 return (0); 1219 } 1220 if (cb->cb_dryrun) { 1221 zfs_close(zhp); 1222 return (0); 1223 } 1224 1225 /* 1226 * We batch up all contiguous snapshots (even of different 1227 * filesystems) and destroy them with one ioctl. We can't 1228 * simply do all snap deletions and then all fs deletions, 1229 * because we must delete a clone before its origin. 1230 */ 1231 if (zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT) { 1232 fnvlist_add_boolean(cb->cb_batchedsnaps, name); 1233 } else { 1234 int error = zfs_destroy_snaps_nvl(g_zfs, 1235 cb->cb_batchedsnaps, B_FALSE); 1236 fnvlist_free(cb->cb_batchedsnaps); 1237 cb->cb_batchedsnaps = fnvlist_alloc(); 1238 1239 if (error != 0 || 1240 zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 || 1241 zfs_destroy(zhp, cb->cb_defer_destroy) != 0) { 1242 zfs_close(zhp); 1243 return (-1); 1244 } 1245 } 1246 1247 zfs_close(zhp); 1248 return (0); 1249 } 1250 1251 static int 1252 destroy_print_cb(zfs_handle_t *zhp, void *arg) 1253 { 1254 destroy_cbdata_t *cb = arg; 1255 const char *name = zfs_get_name(zhp); 1256 int err = 0; 1257 1258 if (nvlist_exists(cb->cb_nvl, name)) { 1259 if (cb->cb_firstsnap == NULL) 1260 cb->cb_firstsnap = strdup(name); 1261 if (cb->cb_prevsnap != NULL) 1262 free(cb->cb_prevsnap); 1263 /* this snap continues the current range */ 1264 cb->cb_prevsnap = strdup(name); 1265 if (cb->cb_firstsnap == NULL || cb->cb_prevsnap == NULL) 1266 nomem(); 1267 if (cb->cb_verbose) { 1268 if (cb->cb_parsable) { 1269 (void) printf("destroy\t%s\n", name); 1270 } else if (cb->cb_dryrun) { 1271 (void) printf(gettext("would destroy %s\n"), 1272 name); 1273 } else { 1274 (void) printf(gettext("will destroy %s\n"), 1275 name); 1276 } 1277 } 1278 } else if (cb->cb_firstsnap != NULL) { 1279 /* end of this range */ 1280 uint64_t used = 0; 1281 err = lzc_snaprange_space(cb->cb_firstsnap, 1282 cb->cb_prevsnap, &used); 1283 cb->cb_snapused += used; 1284 free(cb->cb_firstsnap); 1285 cb->cb_firstsnap = NULL; 1286 free(cb->cb_prevsnap); 1287 cb->cb_prevsnap = NULL; 1288 } 1289 zfs_close(zhp); 1290 return (err); 1291 } 1292 1293 static int 1294 destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb) 1295 { 1296 int err = 0; 1297 assert(cb->cb_firstsnap == NULL); 1298 assert(cb->cb_prevsnap == NULL); 1299 err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb); 1300 if (cb->cb_firstsnap != NULL) { 1301 uint64_t used = 0; 1302 if (err == 0) { 1303 err = lzc_snaprange_space(cb->cb_firstsnap, 1304 cb->cb_prevsnap, &used); 1305 } 1306 cb->cb_snapused += used; 1307 free(cb->cb_firstsnap); 1308 cb->cb_firstsnap = NULL; 1309 free(cb->cb_prevsnap); 1310 cb->cb_prevsnap = NULL; 1311 } 1312 return (err); 1313 } 1314 1315 static int 1316 snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg) 1317 { 1318 destroy_cbdata_t *cb = arg; 1319 int err = 0; 1320 1321 /* Check for clones. */ 1322 if (!cb->cb_doclones && !cb->cb_defer_destroy) { 1323 cb->cb_target = zhp; 1324 cb->cb_first = B_TRUE; 1325 err = zfs_iter_dependents(zhp, B_TRUE, 1326 destroy_check_dependent, cb); 1327 } 1328 1329 if (err == 0) { 1330 if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp))) 1331 nomem(); 1332 } 1333 zfs_close(zhp); 1334 return (err); 1335 } 1336 1337 static int 1338 gather_snapshots(zfs_handle_t *zhp, void *arg) 1339 { 1340 destroy_cbdata_t *cb = arg; 1341 int err = 0; 1342 1343 err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb); 1344 if (err == ENOENT) 1345 err = 0; 1346 if (err != 0) 1347 goto out; 1348 1349 if (cb->cb_verbose) { 1350 err = destroy_print_snapshots(zhp, cb); 1351 if (err != 0) 1352 goto out; 1353 } 1354 1355 if (cb->cb_recurse) 1356 err = zfs_iter_filesystems(zhp, gather_snapshots, cb); 1357 1358 out: 1359 zfs_close(zhp); 1360 return (err); 1361 } 1362 1363 static int 1364 destroy_clones(destroy_cbdata_t *cb) 1365 { 1366 nvpair_t *pair; 1367 for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL); 1368 pair != NULL; 1369 pair = nvlist_next_nvpair(cb->cb_nvl, pair)) { 1370 zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair), 1371 ZFS_TYPE_SNAPSHOT); 1372 if (zhp != NULL) { 1373 boolean_t defer = cb->cb_defer_destroy; 1374 int err = 0; 1375 1376 /* 1377 * We can't defer destroy non-snapshots, so set it to 1378 * false while destroying the clones. 1379 */ 1380 cb->cb_defer_destroy = B_FALSE; 1381 err = zfs_iter_dependents(zhp, B_FALSE, 1382 destroy_callback, cb); 1383 cb->cb_defer_destroy = defer; 1384 zfs_close(zhp); 1385 if (err != 0) 1386 return (err); 1387 } 1388 } 1389 return (0); 1390 } 1391 1392 static int 1393 zfs_do_destroy(int argc, char **argv) 1394 { 1395 destroy_cbdata_t cb = { 0 }; 1396 int rv = 0; 1397 int err = 0; 1398 int c; 1399 zfs_handle_t *zhp = NULL; 1400 char *at, *pound; 1401 zfs_type_t type = ZFS_TYPE_DATASET; 1402 1403 /* check options */ 1404 while ((c = getopt(argc, argv, "vpndfrR")) != -1) { 1405 switch (c) { 1406 case 'v': 1407 cb.cb_verbose = B_TRUE; 1408 break; 1409 case 'p': 1410 cb.cb_verbose = B_TRUE; 1411 cb.cb_parsable = B_TRUE; 1412 break; 1413 case 'n': 1414 cb.cb_dryrun = B_TRUE; 1415 break; 1416 case 'd': 1417 cb.cb_defer_destroy = B_TRUE; 1418 type = ZFS_TYPE_SNAPSHOT; 1419 break; 1420 case 'f': 1421 cb.cb_force = B_TRUE; 1422 break; 1423 case 'r': 1424 cb.cb_recurse = B_TRUE; 1425 break; 1426 case 'R': 1427 cb.cb_recurse = B_TRUE; 1428 cb.cb_doclones = B_TRUE; 1429 break; 1430 case '?': 1431 default: 1432 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1433 optopt); 1434 usage(B_FALSE); 1435 } 1436 } 1437 1438 argc -= optind; 1439 argv += optind; 1440 1441 /* check number of arguments */ 1442 if (argc == 0) { 1443 (void) fprintf(stderr, gettext("missing dataset argument\n")); 1444 usage(B_FALSE); 1445 } 1446 if (argc > 1) { 1447 (void) fprintf(stderr, gettext("too many arguments\n")); 1448 usage(B_FALSE); 1449 } 1450 1451 at = strchr(argv[0], '@'); 1452 pound = strchr(argv[0], '#'); 1453 if (at != NULL) { 1454 1455 /* Build the list of snaps to destroy in cb_nvl. */ 1456 cb.cb_nvl = fnvlist_alloc(); 1457 1458 *at = '\0'; 1459 zhp = zfs_open(g_zfs, argv[0], 1460 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 1461 if (zhp == NULL) 1462 return (1); 1463 1464 cb.cb_snapspec = at + 1; 1465 if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 || 1466 cb.cb_error) { 1467 rv = 1; 1468 goto out; 1469 } 1470 1471 if (nvlist_empty(cb.cb_nvl)) { 1472 (void) fprintf(stderr, gettext("could not find any " 1473 "snapshots to destroy; check snapshot names.\n")); 1474 rv = 1; 1475 goto out; 1476 } 1477 1478 if (cb.cb_verbose) { 1479 char buf[16]; 1480 zfs_nicebytes(cb.cb_snapused, buf, sizeof (buf)); 1481 if (cb.cb_parsable) { 1482 (void) printf("reclaim\t%llu\n", 1483 cb.cb_snapused); 1484 } else if (cb.cb_dryrun) { 1485 (void) printf(gettext("would reclaim %s\n"), 1486 buf); 1487 } else { 1488 (void) printf(gettext("will reclaim %s\n"), 1489 buf); 1490 } 1491 } 1492 1493 if (!cb.cb_dryrun) { 1494 if (cb.cb_doclones) { 1495 cb.cb_batchedsnaps = fnvlist_alloc(); 1496 err = destroy_clones(&cb); 1497 if (err == 0) { 1498 err = zfs_destroy_snaps_nvl(g_zfs, 1499 cb.cb_batchedsnaps, B_FALSE); 1500 } 1501 if (err != 0) { 1502 rv = 1; 1503 goto out; 1504 } 1505 } 1506 if (err == 0) { 1507 err = zfs_destroy_snaps_nvl(g_zfs, cb.cb_nvl, 1508 cb.cb_defer_destroy); 1509 } 1510 } 1511 1512 if (err != 0) 1513 rv = 1; 1514 } else if (pound != NULL) { 1515 int err; 1516 nvlist_t *nvl; 1517 1518 if (cb.cb_dryrun) { 1519 (void) fprintf(stderr, 1520 "dryrun is not supported with bookmark\n"); 1521 return (-1); 1522 } 1523 1524 if (cb.cb_defer_destroy) { 1525 (void) fprintf(stderr, 1526 "defer destroy is not supported with bookmark\n"); 1527 return (-1); 1528 } 1529 1530 if (cb.cb_recurse) { 1531 (void) fprintf(stderr, 1532 "recursive is not supported with bookmark\n"); 1533 return (-1); 1534 } 1535 1536 if (!zfs_bookmark_exists(argv[0])) { 1537 (void) fprintf(stderr, gettext("bookmark '%s' " 1538 "does not exist.\n"), argv[0]); 1539 return (1); 1540 } 1541 1542 nvl = fnvlist_alloc(); 1543 fnvlist_add_boolean(nvl, argv[0]); 1544 1545 err = lzc_destroy_bookmarks(nvl, NULL); 1546 if (err != 0) { 1547 (void) zfs_standard_error(g_zfs, err, 1548 "cannot destroy bookmark"); 1549 } 1550 1551 nvlist_free(cb.cb_nvl); 1552 1553 return (err); 1554 } else { 1555 /* Open the given dataset */ 1556 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL) 1557 return (1); 1558 1559 cb.cb_target = zhp; 1560 1561 /* 1562 * Perform an explicit check for pools before going any further. 1563 */ 1564 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL && 1565 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) { 1566 (void) fprintf(stderr, gettext("cannot destroy '%s': " 1567 "operation does not apply to pools\n"), 1568 zfs_get_name(zhp)); 1569 (void) fprintf(stderr, gettext("use 'zfs destroy -r " 1570 "%s' to destroy all datasets in the pool\n"), 1571 zfs_get_name(zhp)); 1572 (void) fprintf(stderr, gettext("use 'zpool destroy %s' " 1573 "to destroy the pool itself\n"), zfs_get_name(zhp)); 1574 rv = 1; 1575 goto out; 1576 } 1577 1578 /* 1579 * Check for any dependents and/or clones. 1580 */ 1581 cb.cb_first = B_TRUE; 1582 if (!cb.cb_doclones && 1583 zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent, 1584 &cb) != 0) { 1585 rv = 1; 1586 goto out; 1587 } 1588 1589 if (cb.cb_error) { 1590 rv = 1; 1591 goto out; 1592 } 1593 1594 cb.cb_batchedsnaps = fnvlist_alloc(); 1595 if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback, 1596 &cb) != 0) { 1597 rv = 1; 1598 goto out; 1599 } 1600 1601 /* 1602 * Do the real thing. The callback will close the 1603 * handle regardless of whether it succeeds or not. 1604 */ 1605 err = destroy_callback(zhp, &cb); 1606 zhp = NULL; 1607 if (err == 0) { 1608 err = zfs_destroy_snaps_nvl(g_zfs, 1609 cb.cb_batchedsnaps, cb.cb_defer_destroy); 1610 } 1611 if (err != 0) 1612 rv = 1; 1613 } 1614 1615 out: 1616 fnvlist_free(cb.cb_batchedsnaps); 1617 fnvlist_free(cb.cb_nvl); 1618 if (zhp != NULL) 1619 zfs_close(zhp); 1620 return (rv); 1621 } 1622 1623 static boolean_t 1624 is_recvd_column(zprop_get_cbdata_t *cbp) 1625 { 1626 int i; 1627 zfs_get_column_t col; 1628 1629 for (i = 0; i < ZFS_GET_NCOLS && 1630 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++) 1631 if (col == GET_COL_RECVD) 1632 return (B_TRUE); 1633 return (B_FALSE); 1634 } 1635 1636 /* 1637 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...] 1638 * < all | property[,property]... > < fs | snap | vol > ... 1639 * 1640 * -r recurse over any child datasets 1641 * -H scripted mode. Headers are stripped, and fields are separated 1642 * by tabs instead of spaces. 1643 * -o Set of fields to display. One of "name,property,value, 1644 * received,source". Default is "name,property,value,source". 1645 * "all" is an alias for all five. 1646 * -s Set of sources to allow. One of 1647 * "local,default,inherited,received,temporary,none". Default is 1648 * all six. 1649 * -p Display values in parsable (literal) format. 1650 * 1651 * Prints properties for the given datasets. The user can control which 1652 * columns to display as well as which property types to allow. 1653 */ 1654 1655 /* 1656 * Invoked to display the properties for a single dataset. 1657 */ 1658 static int 1659 get_callback(zfs_handle_t *zhp, void *data) 1660 { 1661 char buf[ZFS_MAXPROPLEN]; 1662 char rbuf[ZFS_MAXPROPLEN]; 1663 zprop_source_t sourcetype; 1664 char source[ZFS_MAX_DATASET_NAME_LEN]; 1665 zprop_get_cbdata_t *cbp = data; 1666 nvlist_t *user_props = zfs_get_user_props(zhp); 1667 zprop_list_t *pl = cbp->cb_proplist; 1668 nvlist_t *propval; 1669 char *strval; 1670 char *sourceval; 1671 boolean_t received = is_recvd_column(cbp); 1672 1673 for (; pl != NULL; pl = pl->pl_next) { 1674 char *recvdval = NULL; 1675 /* 1676 * Skip the special fake placeholder. This will also skip over 1677 * the name property when 'all' is specified. 1678 */ 1679 if (pl->pl_prop == ZFS_PROP_NAME && 1680 pl == cbp->cb_proplist) 1681 continue; 1682 1683 if (pl->pl_prop != ZPROP_INVAL) { 1684 if (zfs_prop_get(zhp, pl->pl_prop, buf, 1685 sizeof (buf), &sourcetype, source, 1686 sizeof (source), 1687 cbp->cb_literal) != 0) { 1688 if (pl->pl_all) 1689 continue; 1690 if (!zfs_prop_valid_for_type(pl->pl_prop, 1691 ZFS_TYPE_DATASET, B_FALSE)) { 1692 (void) fprintf(stderr, 1693 gettext("No such property '%s'\n"), 1694 zfs_prop_to_name(pl->pl_prop)); 1695 continue; 1696 } 1697 sourcetype = ZPROP_SRC_NONE; 1698 (void) strlcpy(buf, "-", sizeof (buf)); 1699 } 1700 1701 if (received && (zfs_prop_get_recvd(zhp, 1702 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf), 1703 cbp->cb_literal) == 0)) 1704 recvdval = rbuf; 1705 1706 zprop_print_one_property(zfs_get_name(zhp), cbp, 1707 zfs_prop_to_name(pl->pl_prop), 1708 buf, sourcetype, source, recvdval); 1709 } else if (zfs_prop_userquota(pl->pl_user_prop)) { 1710 sourcetype = ZPROP_SRC_LOCAL; 1711 1712 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, 1713 buf, sizeof (buf), cbp->cb_literal) != 0) { 1714 sourcetype = ZPROP_SRC_NONE; 1715 (void) strlcpy(buf, "-", sizeof (buf)); 1716 } 1717 1718 zprop_print_one_property(zfs_get_name(zhp), cbp, 1719 pl->pl_user_prop, buf, sourcetype, source, NULL); 1720 } else if (zfs_prop_written(pl->pl_user_prop)) { 1721 sourcetype = ZPROP_SRC_LOCAL; 1722 1723 if (zfs_prop_get_written(zhp, pl->pl_user_prop, 1724 buf, sizeof (buf), cbp->cb_literal) != 0) { 1725 sourcetype = ZPROP_SRC_NONE; 1726 (void) strlcpy(buf, "-", sizeof (buf)); 1727 } 1728 1729 zprop_print_one_property(zfs_get_name(zhp), cbp, 1730 pl->pl_user_prop, buf, sourcetype, source, NULL); 1731 } else { 1732 if (nvlist_lookup_nvlist(user_props, 1733 pl->pl_user_prop, &propval) != 0) { 1734 if (pl->pl_all) 1735 continue; 1736 sourcetype = ZPROP_SRC_NONE; 1737 strval = "-"; 1738 } else { 1739 verify(nvlist_lookup_string(propval, 1740 ZPROP_VALUE, &strval) == 0); 1741 verify(nvlist_lookup_string(propval, 1742 ZPROP_SOURCE, &sourceval) == 0); 1743 1744 if (strcmp(sourceval, 1745 zfs_get_name(zhp)) == 0) { 1746 sourcetype = ZPROP_SRC_LOCAL; 1747 } else if (strcmp(sourceval, 1748 ZPROP_SOURCE_VAL_RECVD) == 0) { 1749 sourcetype = ZPROP_SRC_RECEIVED; 1750 } else { 1751 sourcetype = ZPROP_SRC_INHERITED; 1752 (void) strlcpy(source, 1753 sourceval, sizeof (source)); 1754 } 1755 } 1756 1757 if (received && (zfs_prop_get_recvd(zhp, 1758 pl->pl_user_prop, rbuf, sizeof (rbuf), 1759 cbp->cb_literal) == 0)) 1760 recvdval = rbuf; 1761 1762 zprop_print_one_property(zfs_get_name(zhp), cbp, 1763 pl->pl_user_prop, strval, sourcetype, 1764 source, recvdval); 1765 } 1766 } 1767 1768 return (0); 1769 } 1770 1771 static int 1772 zfs_do_get(int argc, char **argv) 1773 { 1774 zprop_get_cbdata_t cb = { 0 }; 1775 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS; 1776 int types = ZFS_TYPE_DATASET | ZFS_TYPE_BOOKMARK; 1777 char *value, *fields; 1778 int ret = 0; 1779 int limit = 0; 1780 zprop_list_t fake_name = { 0 }; 1781 1782 /* 1783 * Set up default columns and sources. 1784 */ 1785 cb.cb_sources = ZPROP_SRC_ALL; 1786 cb.cb_columns[0] = GET_COL_NAME; 1787 cb.cb_columns[1] = GET_COL_PROPERTY; 1788 cb.cb_columns[2] = GET_COL_VALUE; 1789 cb.cb_columns[3] = GET_COL_SOURCE; 1790 cb.cb_type = ZFS_TYPE_DATASET; 1791 1792 /* check options */ 1793 while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) { 1794 switch (c) { 1795 case 'p': 1796 cb.cb_literal = B_TRUE; 1797 break; 1798 case 'd': 1799 limit = parse_depth(optarg, &flags); 1800 break; 1801 case 'r': 1802 flags |= ZFS_ITER_RECURSE; 1803 break; 1804 case 'H': 1805 cb.cb_scripted = B_TRUE; 1806 break; 1807 case ':': 1808 (void) fprintf(stderr, gettext("missing argument for " 1809 "'%c' option\n"), optopt); 1810 usage(B_FALSE); 1811 break; 1812 case 'o': 1813 /* 1814 * Process the set of columns to display. We zero out 1815 * the structure to give us a blank slate. 1816 */ 1817 bzero(&cb.cb_columns, sizeof (cb.cb_columns)); 1818 i = 0; 1819 while (*optarg != '\0') { 1820 static char *col_subopts[] = 1821 { "name", "property", "value", "received", 1822 "source", "all", NULL }; 1823 1824 if (i == ZFS_GET_NCOLS) { 1825 (void) fprintf(stderr, gettext("too " 1826 "many fields given to -o " 1827 "option\n")); 1828 usage(B_FALSE); 1829 } 1830 1831 switch (getsubopt(&optarg, col_subopts, 1832 &value)) { 1833 case 0: 1834 cb.cb_columns[i++] = GET_COL_NAME; 1835 break; 1836 case 1: 1837 cb.cb_columns[i++] = GET_COL_PROPERTY; 1838 break; 1839 case 2: 1840 cb.cb_columns[i++] = GET_COL_VALUE; 1841 break; 1842 case 3: 1843 cb.cb_columns[i++] = GET_COL_RECVD; 1844 flags |= ZFS_ITER_RECVD_PROPS; 1845 break; 1846 case 4: 1847 cb.cb_columns[i++] = GET_COL_SOURCE; 1848 break; 1849 case 5: 1850 if (i > 0) { 1851 (void) fprintf(stderr, 1852 gettext("\"all\" conflicts " 1853 "with specific fields " 1854 "given to -o option\n")); 1855 usage(B_FALSE); 1856 } 1857 cb.cb_columns[0] = GET_COL_NAME; 1858 cb.cb_columns[1] = GET_COL_PROPERTY; 1859 cb.cb_columns[2] = GET_COL_VALUE; 1860 cb.cb_columns[3] = GET_COL_RECVD; 1861 cb.cb_columns[4] = GET_COL_SOURCE; 1862 flags |= ZFS_ITER_RECVD_PROPS; 1863 i = ZFS_GET_NCOLS; 1864 break; 1865 default: 1866 (void) fprintf(stderr, 1867 gettext("invalid column name " 1868 "'%s'\n"), value); 1869 usage(B_FALSE); 1870 } 1871 } 1872 break; 1873 1874 case 's': 1875 cb.cb_sources = 0; 1876 while (*optarg != '\0') { 1877 static char *source_subopts[] = { 1878 "local", "default", "inherited", 1879 "received", "temporary", "none", 1880 NULL }; 1881 1882 switch (getsubopt(&optarg, source_subopts, 1883 &value)) { 1884 case 0: 1885 cb.cb_sources |= ZPROP_SRC_LOCAL; 1886 break; 1887 case 1: 1888 cb.cb_sources |= ZPROP_SRC_DEFAULT; 1889 break; 1890 case 2: 1891 cb.cb_sources |= ZPROP_SRC_INHERITED; 1892 break; 1893 case 3: 1894 cb.cb_sources |= ZPROP_SRC_RECEIVED; 1895 break; 1896 case 4: 1897 cb.cb_sources |= ZPROP_SRC_TEMPORARY; 1898 break; 1899 case 5: 1900 cb.cb_sources |= ZPROP_SRC_NONE; 1901 break; 1902 default: 1903 (void) fprintf(stderr, 1904 gettext("invalid source " 1905 "'%s'\n"), value); 1906 usage(B_FALSE); 1907 } 1908 } 1909 break; 1910 1911 case 't': 1912 types = 0; 1913 flags &= ~ZFS_ITER_PROP_LISTSNAPS; 1914 while (*optarg != '\0') { 1915 static char *type_subopts[] = { "filesystem", 1916 "volume", "snapshot", "bookmark", 1917 "all", NULL }; 1918 1919 switch (getsubopt(&optarg, type_subopts, 1920 &value)) { 1921 case 0: 1922 types |= ZFS_TYPE_FILESYSTEM; 1923 break; 1924 case 1: 1925 types |= ZFS_TYPE_VOLUME; 1926 break; 1927 case 2: 1928 types |= ZFS_TYPE_SNAPSHOT; 1929 break; 1930 case 3: 1931 types |= ZFS_TYPE_BOOKMARK; 1932 break; 1933 case 4: 1934 types = ZFS_TYPE_DATASET | 1935 ZFS_TYPE_BOOKMARK; 1936 break; 1937 1938 default: 1939 (void) fprintf(stderr, 1940 gettext("invalid type '%s'\n"), 1941 value); 1942 usage(B_FALSE); 1943 } 1944 } 1945 break; 1946 1947 case '?': 1948 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 1949 optopt); 1950 usage(B_FALSE); 1951 } 1952 } 1953 1954 argc -= optind; 1955 argv += optind; 1956 1957 if (argc < 1) { 1958 (void) fprintf(stderr, gettext("missing property " 1959 "argument\n")); 1960 usage(B_FALSE); 1961 } 1962 1963 fields = argv[0]; 1964 1965 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) 1966 != 0) 1967 usage(B_FALSE); 1968 1969 argc--; 1970 argv++; 1971 1972 /* 1973 * As part of zfs_expand_proplist(), we keep track of the maximum column 1974 * width for each property. For the 'NAME' (and 'SOURCE') columns, we 1975 * need to know the maximum name length. However, the user likely did 1976 * not specify 'name' as one of the properties to fetch, so we need to 1977 * make sure we always include at least this property for 1978 * print_get_headers() to work properly. 1979 */ 1980 if (cb.cb_proplist != NULL) { 1981 fake_name.pl_prop = ZFS_PROP_NAME; 1982 fake_name.pl_width = strlen(gettext("NAME")); 1983 fake_name.pl_next = cb.cb_proplist; 1984 cb.cb_proplist = &fake_name; 1985 } 1986 1987 cb.cb_first = B_TRUE; 1988 1989 /* run for each object */ 1990 ret = zfs_for_each(argc, argv, flags, types, NULL, 1991 &cb.cb_proplist, limit, get_callback, &cb); 1992 1993 if (cb.cb_proplist == &fake_name) 1994 zprop_free_list(fake_name.pl_next); 1995 else 1996 zprop_free_list(cb.cb_proplist); 1997 1998 return (ret); 1999 } 2000 2001 /* 2002 * inherit [-rS] <property> <fs|vol> ... 2003 * 2004 * -r Recurse over all children 2005 * -S Revert to received value, if any 2006 * 2007 * For each dataset specified on the command line, inherit the given property 2008 * from its parent. Inheriting a property at the pool level will cause it to 2009 * use the default value. The '-r' flag will recurse over all children, and is 2010 * useful for setting a property on a hierarchy-wide basis, regardless of any 2011 * local modifications for each dataset. 2012 */ 2013 2014 typedef struct inherit_cbdata { 2015 const char *cb_propname; 2016 boolean_t cb_received; 2017 } inherit_cbdata_t; 2018 2019 static int 2020 inherit_recurse_cb(zfs_handle_t *zhp, void *data) 2021 { 2022 inherit_cbdata_t *cb = data; 2023 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname); 2024 2025 /* 2026 * If we're doing it recursively, then ignore properties that 2027 * are not valid for this type of dataset. 2028 */ 2029 if (prop != ZPROP_INVAL && 2030 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp), B_FALSE)) 2031 return (0); 2032 2033 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); 2034 } 2035 2036 static int 2037 inherit_cb(zfs_handle_t *zhp, void *data) 2038 { 2039 inherit_cbdata_t *cb = data; 2040 2041 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0); 2042 } 2043 2044 static int 2045 zfs_do_inherit(int argc, char **argv) 2046 { 2047 int c; 2048 zfs_prop_t prop; 2049 inherit_cbdata_t cb = { 0 }; 2050 char *propname; 2051 int ret = 0; 2052 int flags = 0; 2053 boolean_t received = B_FALSE; 2054 2055 /* check options */ 2056 while ((c = getopt(argc, argv, "rS")) != -1) { 2057 switch (c) { 2058 case 'r': 2059 flags |= ZFS_ITER_RECURSE; 2060 break; 2061 case 'S': 2062 received = B_TRUE; 2063 break; 2064 case '?': 2065 default: 2066 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2067 optopt); 2068 usage(B_FALSE); 2069 } 2070 } 2071 2072 argc -= optind; 2073 argv += optind; 2074 2075 /* check number of arguments */ 2076 if (argc < 1) { 2077 (void) fprintf(stderr, gettext("missing property argument\n")); 2078 usage(B_FALSE); 2079 } 2080 if (argc < 2) { 2081 (void) fprintf(stderr, gettext("missing dataset argument\n")); 2082 usage(B_FALSE); 2083 } 2084 2085 propname = argv[0]; 2086 argc--; 2087 argv++; 2088 2089 if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) { 2090 if (zfs_prop_readonly(prop)) { 2091 (void) fprintf(stderr, gettext( 2092 "%s property is read-only\n"), 2093 propname); 2094 return (1); 2095 } 2096 if (!zfs_prop_inheritable(prop) && !received) { 2097 (void) fprintf(stderr, gettext("'%s' property cannot " 2098 "be inherited\n"), propname); 2099 if (prop == ZFS_PROP_QUOTA || 2100 prop == ZFS_PROP_RESERVATION || 2101 prop == ZFS_PROP_REFQUOTA || 2102 prop == ZFS_PROP_REFRESERVATION) { 2103 (void) fprintf(stderr, gettext("use 'zfs set " 2104 "%s=none' to clear\n"), propname); 2105 (void) fprintf(stderr, gettext("use 'zfs " 2106 "inherit -S %s' to revert to received " 2107 "value\n"), propname); 2108 } 2109 return (1); 2110 } 2111 if (received && (prop == ZFS_PROP_VOLSIZE || 2112 prop == ZFS_PROP_VERSION)) { 2113 (void) fprintf(stderr, gettext("'%s' property cannot " 2114 "be reverted to a received value\n"), propname); 2115 return (1); 2116 } 2117 } else if (!zfs_prop_user(propname)) { 2118 (void) fprintf(stderr, gettext("invalid property '%s'\n"), 2119 propname); 2120 usage(B_FALSE); 2121 } 2122 2123 cb.cb_propname = propname; 2124 cb.cb_received = received; 2125 2126 if (flags & ZFS_ITER_RECURSE) { 2127 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, 2128 NULL, NULL, 0, inherit_recurse_cb, &cb); 2129 } else { 2130 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, 2131 NULL, NULL, 0, inherit_cb, &cb); 2132 } 2133 2134 return (ret); 2135 } 2136 2137 typedef struct upgrade_cbdata { 2138 uint64_t cb_numupgraded; 2139 uint64_t cb_numsamegraded; 2140 uint64_t cb_numfailed; 2141 uint64_t cb_version; 2142 boolean_t cb_newer; 2143 boolean_t cb_foundone; 2144 char cb_lastfs[ZFS_MAX_DATASET_NAME_LEN]; 2145 } upgrade_cbdata_t; 2146 2147 static int 2148 same_pool(zfs_handle_t *zhp, const char *name) 2149 { 2150 int len1 = strcspn(name, "/@"); 2151 const char *zhname = zfs_get_name(zhp); 2152 int len2 = strcspn(zhname, "/@"); 2153 2154 if (len1 != len2) 2155 return (B_FALSE); 2156 return (strncmp(name, zhname, len1) == 0); 2157 } 2158 2159 static int 2160 upgrade_list_callback(zfs_handle_t *zhp, void *data) 2161 { 2162 upgrade_cbdata_t *cb = data; 2163 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); 2164 2165 /* list if it's old/new */ 2166 if ((!cb->cb_newer && version < ZPL_VERSION) || 2167 (cb->cb_newer && version > ZPL_VERSION)) { 2168 char *str; 2169 if (cb->cb_newer) { 2170 str = gettext("The following filesystems are " 2171 "formatted using a newer software version and\n" 2172 "cannot be accessed on the current system.\n\n"); 2173 } else { 2174 str = gettext("The following filesystems are " 2175 "out of date, and can be upgraded. After being\n" 2176 "upgraded, these filesystems (and any 'zfs send' " 2177 "streams generated from\n" 2178 "subsequent snapshots) will no longer be " 2179 "accessible by older software versions.\n\n"); 2180 } 2181 2182 if (!cb->cb_foundone) { 2183 (void) puts(str); 2184 (void) printf(gettext("VER FILESYSTEM\n")); 2185 (void) printf(gettext("--- ------------\n")); 2186 cb->cb_foundone = B_TRUE; 2187 } 2188 2189 (void) printf("%2u %s\n", version, zfs_get_name(zhp)); 2190 } 2191 2192 return (0); 2193 } 2194 2195 static int 2196 upgrade_set_callback(zfs_handle_t *zhp, void *data) 2197 { 2198 upgrade_cbdata_t *cb = data; 2199 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION); 2200 int needed_spa_version; 2201 int spa_version; 2202 2203 if (zfs_spa_version(zhp, &spa_version) < 0) 2204 return (-1); 2205 2206 needed_spa_version = zfs_spa_version_map(cb->cb_version); 2207 2208 if (needed_spa_version < 0) 2209 return (-1); 2210 2211 if (spa_version < needed_spa_version) { 2212 /* can't upgrade */ 2213 (void) printf(gettext("%s: can not be " 2214 "upgraded; the pool version needs to first " 2215 "be upgraded\nto version %d\n\n"), 2216 zfs_get_name(zhp), needed_spa_version); 2217 cb->cb_numfailed++; 2218 return (0); 2219 } 2220 2221 /* upgrade */ 2222 if (version < cb->cb_version) { 2223 char verstr[16]; 2224 (void) snprintf(verstr, sizeof (verstr), 2225 "%llu", cb->cb_version); 2226 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) { 2227 /* 2228 * If they did "zfs upgrade -a", then we could 2229 * be doing ioctls to different pools. We need 2230 * to log this history once to each pool, and bypass 2231 * the normal history logging that happens in main(). 2232 */ 2233 (void) zpool_log_history(g_zfs, history_str); 2234 log_history = B_FALSE; 2235 } 2236 if (zfs_prop_set(zhp, "version", verstr) == 0) 2237 cb->cb_numupgraded++; 2238 else 2239 cb->cb_numfailed++; 2240 (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp)); 2241 } else if (version > cb->cb_version) { 2242 /* can't downgrade */ 2243 (void) printf(gettext("%s: can not be downgraded; " 2244 "it is already at version %u\n"), 2245 zfs_get_name(zhp), version); 2246 cb->cb_numfailed++; 2247 } else { 2248 cb->cb_numsamegraded++; 2249 } 2250 return (0); 2251 } 2252 2253 /* 2254 * zfs upgrade 2255 * zfs upgrade -v 2256 * zfs upgrade [-r] [-V <version>] <-a | filesystem> 2257 */ 2258 static int 2259 zfs_do_upgrade(int argc, char **argv) 2260 { 2261 boolean_t all = B_FALSE; 2262 boolean_t showversions = B_FALSE; 2263 int ret = 0; 2264 upgrade_cbdata_t cb = { 0 }; 2265 int c; 2266 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS; 2267 2268 /* check options */ 2269 while ((c = getopt(argc, argv, "rvV:a")) != -1) { 2270 switch (c) { 2271 case 'r': 2272 flags |= ZFS_ITER_RECURSE; 2273 break; 2274 case 'v': 2275 showversions = B_TRUE; 2276 break; 2277 case 'V': 2278 if (zfs_prop_string_to_index(ZFS_PROP_VERSION, 2279 optarg, &cb.cb_version) != 0) { 2280 (void) fprintf(stderr, 2281 gettext("invalid version %s\n"), optarg); 2282 usage(B_FALSE); 2283 } 2284 break; 2285 case 'a': 2286 all = B_TRUE; 2287 break; 2288 case '?': 2289 default: 2290 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 2291 optopt); 2292 usage(B_FALSE); 2293 } 2294 } 2295 2296 argc -= optind; 2297 argv += optind; 2298 2299 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version)) 2300 usage(B_FALSE); 2301 if (showversions && (flags & ZFS_ITER_RECURSE || all || 2302 cb.cb_version || argc)) 2303 usage(B_FALSE); 2304 if ((all || argc) && (showversions)) 2305 usage(B_FALSE); 2306 if (all && argc) 2307 usage(B_FALSE); 2308 2309 if (showversions) { 2310 /* Show info on available versions. */ 2311 (void) printf(gettext("The following filesystem versions are " 2312 "supported:\n\n")); 2313 (void) printf(gettext("VER DESCRIPTION\n")); 2314 (void) printf("--- -----------------------------------------" 2315 "---------------\n"); 2316 (void) printf(gettext(" 1 Initial ZFS filesystem version\n")); 2317 (void) printf(gettext(" 2 Enhanced directory entries\n")); 2318 (void) printf(gettext(" 3 Case insensitive and filesystem " 2319 "user identifier (FUID)\n")); 2320 (void) printf(gettext(" 4 userquota, groupquota " 2321 "properties\n")); 2322 (void) printf(gettext(" 5 System attributes\n")); 2323 (void) printf(gettext("\nFor more information on a particular " 2324 "version, including supported releases,\n")); 2325 (void) printf("see the ZFS Administration Guide.\n\n"); 2326 ret = 0; 2327 } else if (argc || all) { 2328 /* Upgrade filesystems */ 2329 if (cb.cb_version == 0) 2330 cb.cb_version = ZPL_VERSION; 2331 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM, 2332 NULL, NULL, 0, upgrade_set_callback, &cb); 2333 (void) printf(gettext("%llu filesystems upgraded\n"), 2334 cb.cb_numupgraded); 2335 if (cb.cb_numsamegraded) { 2336 (void) printf(gettext("%llu filesystems already at " 2337 "this version\n"), 2338 cb.cb_numsamegraded); 2339 } 2340 if (cb.cb_numfailed != 0) 2341 ret = 1; 2342 } else { 2343 /* List old-version filesystems */ 2344 boolean_t found; 2345 (void) printf(gettext("This system is currently running " 2346 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION); 2347 2348 flags |= ZFS_ITER_RECURSE; 2349 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, 2350 NULL, NULL, 0, upgrade_list_callback, &cb); 2351 2352 found = cb.cb_foundone; 2353 cb.cb_foundone = B_FALSE; 2354 cb.cb_newer = B_TRUE; 2355 2356 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM, 2357 NULL, NULL, 0, upgrade_list_callback, &cb); 2358 2359 if (!cb.cb_foundone && !found) { 2360 (void) printf(gettext("All filesystems are " 2361 "formatted with the current version.\n")); 2362 } 2363 } 2364 2365 return (ret); 2366 } 2367 2368 /* 2369 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...] 2370 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot 2371 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...] 2372 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot 2373 * zfs projectspace [-Hp] [-o field[,...]] [-s field [-s field]...] 2374 * [-S field [-S field]...] filesystem | snapshot 2375 * 2376 * -H Scripted mode; elide headers and separate columns by tabs. 2377 * -i Translate SID to POSIX ID. 2378 * -n Print numeric ID instead of user/group name. 2379 * -o Control which fields to display. 2380 * -p Use exact (parsable) numeric output. 2381 * -s Specify sort columns, descending order. 2382 * -S Specify sort columns, ascending order. 2383 * -t Control which object types to display. 2384 * 2385 * Displays space consumed by, and quotas on, each user in the specified 2386 * filesystem or snapshot. 2387 */ 2388 2389 /* us_field_types, us_field_hdr and us_field_names should be kept in sync */ 2390 enum us_field_types { 2391 USFIELD_TYPE, 2392 USFIELD_NAME, 2393 USFIELD_USED, 2394 USFIELD_QUOTA, 2395 USFIELD_OBJUSED, 2396 USFIELD_OBJQUOTA 2397 }; 2398 static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA", 2399 "OBJUSED", "OBJQUOTA" }; 2400 static char *us_field_names[] = { "type", "name", "used", "quota", 2401 "objused", "objquota" }; 2402 #define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *)) 2403 2404 #define USTYPE_PSX_GRP (1 << 0) 2405 #define USTYPE_PSX_USR (1 << 1) 2406 #define USTYPE_SMB_GRP (1 << 2) 2407 #define USTYPE_SMB_USR (1 << 3) 2408 #define USTYPE_PROJ (1 << 4) 2409 #define USTYPE_ALL \ 2410 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR | \ 2411 USTYPE_PROJ) 2412 2413 static int us_type_bits[] = { 2414 USTYPE_PSX_GRP, 2415 USTYPE_PSX_USR, 2416 USTYPE_SMB_GRP, 2417 USTYPE_SMB_USR, 2418 USTYPE_ALL 2419 }; 2420 static char *us_type_names[] = { "posixgroup", "posixuser", "smbgroup", 2421 "smbuser", "all" }; 2422 2423 typedef struct us_node { 2424 nvlist_t *usn_nvl; 2425 uu_avl_node_t usn_avlnode; 2426 uu_list_node_t usn_listnode; 2427 } us_node_t; 2428 2429 typedef struct us_cbdata { 2430 nvlist_t **cb_nvlp; 2431 uu_avl_pool_t *cb_avl_pool; 2432 uu_avl_t *cb_avl; 2433 boolean_t cb_numname; 2434 boolean_t cb_nicenum; 2435 boolean_t cb_sid2posix; 2436 zfs_userquota_prop_t cb_prop; 2437 zfs_sort_column_t *cb_sortcol; 2438 size_t cb_width[USFIELD_LAST]; 2439 } us_cbdata_t; 2440 2441 static boolean_t us_populated = B_FALSE; 2442 2443 typedef struct { 2444 zfs_sort_column_t *si_sortcol; 2445 boolean_t si_numname; 2446 } us_sort_info_t; 2447 2448 static int 2449 us_field_index(char *field) 2450 { 2451 int i; 2452 2453 for (i = 0; i < USFIELD_LAST; i++) { 2454 if (strcmp(field, us_field_names[i]) == 0) 2455 return (i); 2456 } 2457 2458 return (-1); 2459 } 2460 2461 static int 2462 us_compare(const void *larg, const void *rarg, void *unused) 2463 { 2464 const us_node_t *l = larg; 2465 const us_node_t *r = rarg; 2466 us_sort_info_t *si = (us_sort_info_t *)unused; 2467 zfs_sort_column_t *sortcol = si->si_sortcol; 2468 boolean_t numname = si->si_numname; 2469 nvlist_t *lnvl = l->usn_nvl; 2470 nvlist_t *rnvl = r->usn_nvl; 2471 int rc = 0; 2472 boolean_t lvb, rvb; 2473 2474 for (; sortcol != NULL; sortcol = sortcol->sc_next) { 2475 char *lvstr = ""; 2476 char *rvstr = ""; 2477 uint32_t lv32 = 0; 2478 uint32_t rv32 = 0; 2479 uint64_t lv64 = 0; 2480 uint64_t rv64 = 0; 2481 zfs_prop_t prop = sortcol->sc_prop; 2482 const char *propname = NULL; 2483 boolean_t reverse = sortcol->sc_reverse; 2484 2485 switch (prop) { 2486 case ZFS_PROP_TYPE: 2487 propname = "type"; 2488 (void) nvlist_lookup_uint32(lnvl, propname, &lv32); 2489 (void) nvlist_lookup_uint32(rnvl, propname, &rv32); 2490 if (rv32 != lv32) 2491 rc = (rv32 < lv32) ? 1 : -1; 2492 break; 2493 case ZFS_PROP_NAME: 2494 propname = "name"; 2495 if (numname) { 2496 (void) nvlist_lookup_uint64(lnvl, propname, 2497 &lv64); 2498 (void) nvlist_lookup_uint64(rnvl, propname, 2499 &rv64); 2500 if (rv64 != lv64) 2501 rc = (rv64 < lv64) ? 1 : -1; 2502 } else { 2503 (void) nvlist_lookup_string(lnvl, propname, 2504 &lvstr); 2505 (void) nvlist_lookup_string(rnvl, propname, 2506 &rvstr); 2507 rc = strcmp(lvstr, rvstr); 2508 } 2509 break; 2510 case ZFS_PROP_USED: 2511 case ZFS_PROP_QUOTA: 2512 if (!us_populated) 2513 break; 2514 if (prop == ZFS_PROP_USED) 2515 propname = "used"; 2516 else 2517 propname = "quota"; 2518 (void) nvlist_lookup_uint64(lnvl, propname, &lv64); 2519 (void) nvlist_lookup_uint64(rnvl, propname, &rv64); 2520 if (rv64 != lv64) 2521 rc = (rv64 < lv64) ? 1 : -1; 2522 break; 2523 2524 default: 2525 break; 2526 } 2527 2528 if (rc != 0) { 2529 if (rc < 0) 2530 return (reverse ? 1 : -1); 2531 else 2532 return (reverse ? -1 : 1); 2533 } 2534 } 2535 2536 /* 2537 * If entries still seem to be the same, check if they are of the same 2538 * type (smbentity is added only if we are doing SID to POSIX ID 2539 * translation where we can have duplicate type/name combinations). 2540 */ 2541 if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 && 2542 nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 && 2543 lvb != rvb) 2544 return (lvb < rvb ? -1 : 1); 2545 2546 return (0); 2547 } 2548 2549 static boolean_t 2550 zfs_prop_is_user(unsigned p) 2551 { 2552 return (p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA || 2553 p == ZFS_PROP_USEROBJUSED || p == ZFS_PROP_USEROBJQUOTA); 2554 } 2555 2556 static boolean_t 2557 zfs_prop_is_group(unsigned p) 2558 { 2559 return (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA || 2560 p == ZFS_PROP_GROUPOBJUSED || p == ZFS_PROP_GROUPOBJQUOTA); 2561 } 2562 2563 static boolean_t 2564 zfs_prop_is_project(unsigned p) 2565 { 2566 return (p == ZFS_PROP_PROJECTUSED || p == ZFS_PROP_PROJECTQUOTA || 2567 p == ZFS_PROP_PROJECTOBJUSED || p == ZFS_PROP_PROJECTOBJQUOTA); 2568 } 2569 2570 static inline const char * 2571 us_type2str(unsigned field_type) 2572 { 2573 switch (field_type) { 2574 case USTYPE_PSX_USR: 2575 return ("POSIX User"); 2576 case USTYPE_PSX_GRP: 2577 return ("POSIX Group"); 2578 case USTYPE_SMB_USR: 2579 return ("SMB User"); 2580 case USTYPE_SMB_GRP: 2581 return ("SMB Group"); 2582 case USTYPE_PROJ: 2583 return ("Project"); 2584 default: 2585 return ("Undefined"); 2586 } 2587 } 2588 2589 static int 2590 userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space) 2591 { 2592 us_cbdata_t *cb = (us_cbdata_t *)arg; 2593 zfs_userquota_prop_t prop = cb->cb_prop; 2594 char *name = NULL; 2595 char *propname; 2596 char sizebuf[32]; 2597 us_node_t *node; 2598 uu_avl_pool_t *avl_pool = cb->cb_avl_pool; 2599 uu_avl_t *avl = cb->cb_avl; 2600 uu_avl_index_t idx; 2601 nvlist_t *props; 2602 us_node_t *n; 2603 zfs_sort_column_t *sortcol = cb->cb_sortcol; 2604 unsigned type = 0; 2605 const char *typestr; 2606 size_t namelen; 2607 size_t typelen; 2608 size_t sizelen; 2609 int typeidx, nameidx, sizeidx; 2610 us_sort_info_t sortinfo = { sortcol, cb->cb_numname }; 2611 boolean_t smbentity = B_FALSE; 2612 2613 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 2614 nomem(); 2615 node = safe_malloc(sizeof (us_node_t)); 2616 uu_avl_node_init(node, &node->usn_avlnode, avl_pool); 2617 node->usn_nvl = props; 2618 2619 if (domain != NULL && domain[0] != '\0') { 2620 /* SMB */ 2621 char sid[MAXNAMELEN + 32]; 2622 uid_t id; 2623 int err; 2624 int flag = IDMAP_REQ_FLG_USE_CACHE; 2625 2626 smbentity = B_TRUE; 2627 2628 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid); 2629 2630 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) { 2631 type = USTYPE_SMB_GRP; 2632 err = sid_to_id(sid, B_FALSE, &id); 2633 } else { 2634 type = USTYPE_SMB_USR; 2635 err = sid_to_id(sid, B_TRUE, &id); 2636 } 2637 2638 if (err == 0) { 2639 rid = id; 2640 if (!cb->cb_sid2posix) { 2641 if (type == USTYPE_SMB_USR) { 2642 (void) idmap_getwinnamebyuid(rid, flag, 2643 &name, NULL); 2644 } else { 2645 (void) idmap_getwinnamebygid(rid, flag, 2646 &name, NULL); 2647 } 2648 if (name == NULL) 2649 name = sid; 2650 } 2651 } 2652 } 2653 2654 if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') { 2655 /* POSIX or -i */ 2656 if (zfs_prop_is_group(prop)) { 2657 type = USTYPE_PSX_GRP; 2658 if (!cb->cb_numname) { 2659 struct group *g; 2660 2661 if ((g = getgrgid(rid)) != NULL) 2662 name = g->gr_name; 2663 } 2664 } else if (zfs_prop_is_user(prop)) { 2665 type = USTYPE_PSX_USR; 2666 if (!cb->cb_numname) { 2667 struct passwd *p; 2668 2669 if ((p = getpwuid(rid)) != NULL) 2670 name = p->pw_name; 2671 } 2672 } else { 2673 type = USTYPE_PROJ; 2674 } 2675 } 2676 2677 /* 2678 * Make sure that the type/name combination is unique when doing 2679 * SID to POSIX ID translation (hence changing the type from SMB to 2680 * POSIX). 2681 */ 2682 if (cb->cb_sid2posix && 2683 nvlist_add_boolean_value(props, "smbentity", smbentity) != 0) 2684 nomem(); 2685 2686 /* Calculate/update width of TYPE field */ 2687 typestr = us_type2str(type); 2688 typelen = strlen(gettext(typestr)); 2689 typeidx = us_field_index("type"); 2690 if (typelen > cb->cb_width[typeidx]) 2691 cb->cb_width[typeidx] = typelen; 2692 if (nvlist_add_uint32(props, "type", type) != 0) 2693 nomem(); 2694 2695 /* Calculate/update width of NAME field */ 2696 if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) { 2697 if (nvlist_add_uint64(props, "name", rid) != 0) 2698 nomem(); 2699 namelen = snprintf(NULL, 0, "%u", rid); 2700 } else { 2701 if (nvlist_add_string(props, "name", name) != 0) 2702 nomem(); 2703 namelen = strlen(name); 2704 } 2705 nameidx = us_field_index("name"); 2706 if (namelen > cb->cb_width[nameidx]) 2707 cb->cb_width[nameidx] = namelen; 2708 2709 /* 2710 * Check if this type/name combination is in the list and update it; 2711 * otherwise add new node to the list. 2712 */ 2713 if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) { 2714 uu_avl_insert(avl, node, idx); 2715 } else { 2716 nvlist_free(props); 2717 free(node); 2718 node = n; 2719 props = node->usn_nvl; 2720 } 2721 2722 /* Calculate/update width of USED/QUOTA fields */ 2723 if (cb->cb_nicenum) { 2724 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED || 2725 prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA || 2726 prop == ZFS_PROP_PROJECTUSED || 2727 prop == ZFS_PROP_PROJECTQUOTA) { 2728 zfs_nicebytes(space, sizebuf, sizeof (sizebuf)); 2729 } else { 2730 zfs_nicenum(space, sizebuf, sizeof (sizebuf)); 2731 } 2732 } else { 2733 (void) snprintf(sizebuf, sizeof (sizebuf), "%llu", space); 2734 } 2735 sizelen = strlen(sizebuf); 2736 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED || 2737 prop == ZFS_PROP_PROJECTUSED) { 2738 propname = "used"; 2739 if (!nvlist_exists(props, "quota")) 2740 (void) nvlist_add_uint64(props, "quota", 0); 2741 } else if (prop == ZFS_PROP_USERQUOTA || prop == ZFS_PROP_GROUPQUOTA || 2742 prop == ZFS_PROP_PROJECTQUOTA) { 2743 propname = "quota"; 2744 if (!nvlist_exists(props, "used")) 2745 (void) nvlist_add_uint64(props, "used", 0); 2746 } else if (prop == ZFS_PROP_USEROBJUSED || 2747 prop == ZFS_PROP_GROUPOBJUSED || prop == ZFS_PROP_PROJECTOBJUSED) { 2748 propname = "objused"; 2749 if (!nvlist_exists(props, "objquota")) 2750 (void) nvlist_add_uint64(props, "objquota", 0); 2751 } else if (prop == ZFS_PROP_USEROBJQUOTA || 2752 prop == ZFS_PROP_GROUPOBJQUOTA || 2753 prop == ZFS_PROP_PROJECTOBJQUOTA) { 2754 propname = "objquota"; 2755 if (!nvlist_exists(props, "objused")) 2756 (void) nvlist_add_uint64(props, "objused", 0); 2757 } else { 2758 return (-1); 2759 } 2760 sizeidx = us_field_index(propname); 2761 if (sizelen > cb->cb_width[sizeidx]) 2762 cb->cb_width[sizeidx] = sizelen; 2763 2764 if (nvlist_add_uint64(props, propname, space) != 0) 2765 nomem(); 2766 2767 return (0); 2768 } 2769 2770 static void 2771 print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types, 2772 size_t *width, us_node_t *node) 2773 { 2774 nvlist_t *nvl = node->usn_nvl; 2775 char valstr[MAXNAMELEN]; 2776 boolean_t first = B_TRUE; 2777 int cfield = 0; 2778 int field; 2779 uint32_t ustype; 2780 2781 /* Check type */ 2782 (void) nvlist_lookup_uint32(nvl, "type", &ustype); 2783 if (!(ustype & types)) 2784 return; 2785 2786 while ((field = fields[cfield]) != USFIELD_LAST) { 2787 nvpair_t *nvp = NULL; 2788 data_type_t type; 2789 uint32_t val32; 2790 uint64_t val64; 2791 char *strval = "-"; 2792 2793 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 2794 if (strcmp(nvpair_name(nvp), 2795 us_field_names[field]) == 0) 2796 break; 2797 } 2798 2799 type = nvp == NULL ? DATA_TYPE_UNKNOWN : nvpair_type(nvp); 2800 switch (type) { 2801 case DATA_TYPE_UINT32: 2802 (void) nvpair_value_uint32(nvp, &val32); 2803 break; 2804 case DATA_TYPE_UINT64: 2805 (void) nvpair_value_uint64(nvp, &val64); 2806 break; 2807 case DATA_TYPE_STRING: 2808 (void) nvpair_value_string(nvp, &strval); 2809 break; 2810 case DATA_TYPE_UNKNOWN: 2811 break; 2812 default: 2813 (void) fprintf(stderr, "invalid data type\n"); 2814 } 2815 2816 switch (field) { 2817 case USFIELD_TYPE: 2818 if (type == DATA_TYPE_UINT32) 2819 strval = (char *)us_type2str(val32); 2820 break; 2821 case USFIELD_NAME: 2822 if (type == DATA_TYPE_UINT64) { 2823 (void) sprintf(valstr, "%llu", val64); 2824 strval = valstr; 2825 } 2826 break; 2827 case USFIELD_USED: 2828 case USFIELD_QUOTA: 2829 if (type == DATA_TYPE_UINT64) { 2830 if (parsable) { 2831 (void) sprintf(valstr, "%llu", val64); 2832 strval = valstr; 2833 } else if (field == USFIELD_QUOTA && 2834 val64 == 0) { 2835 strval = "none"; 2836 } else { 2837 zfs_nicebytes(val64, valstr, 2838 sizeof (valstr)); 2839 strval = valstr; 2840 } 2841 } 2842 break; 2843 case USFIELD_OBJUSED: 2844 case USFIELD_OBJQUOTA: 2845 if (type == DATA_TYPE_UINT64) { 2846 if (parsable) { 2847 (void) sprintf(valstr, "%llu", val64); 2848 strval = valstr; 2849 } else if (field == USFIELD_OBJQUOTA && 2850 val64 == 0) { 2851 strval = "none"; 2852 } else { 2853 zfs_nicenum(val64, valstr, 2854 sizeof (valstr)); 2855 strval = valstr; 2856 } 2857 } 2858 break; 2859 } 2860 2861 if (!first) { 2862 if (scripted) 2863 (void) printf("\t"); 2864 else 2865 (void) printf(" "); 2866 } 2867 if (scripted) 2868 (void) printf("%s", strval); 2869 else if (field == USFIELD_TYPE || field == USFIELD_NAME) 2870 (void) printf("%-*s", width[field], strval); 2871 else 2872 (void) printf("%*s", width[field], strval); 2873 2874 first = B_FALSE; 2875 cfield++; 2876 } 2877 2878 (void) printf("\n"); 2879 } 2880 2881 static void 2882 print_us(boolean_t scripted, boolean_t parsable, int *fields, int types, 2883 size_t *width, boolean_t rmnode, uu_avl_t *avl) 2884 { 2885 us_node_t *node; 2886 const char *col; 2887 int cfield = 0; 2888 int field; 2889 2890 if (!scripted) { 2891 boolean_t first = B_TRUE; 2892 2893 while ((field = fields[cfield]) != USFIELD_LAST) { 2894 col = gettext(us_field_hdr[field]); 2895 if (field == USFIELD_TYPE || field == USFIELD_NAME) { 2896 (void) printf(first ? "%-*s" : " %-*s", 2897 width[field], col); 2898 } else { 2899 (void) printf(first ? "%*s" : " %*s", 2900 width[field], col); 2901 } 2902 first = B_FALSE; 2903 cfield++; 2904 } 2905 (void) printf("\n"); 2906 } 2907 2908 for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) { 2909 print_us_node(scripted, parsable, fields, types, width, node); 2910 if (rmnode) 2911 nvlist_free(node->usn_nvl); 2912 } 2913 } 2914 2915 static int 2916 zfs_do_userspace(int argc, char **argv) 2917 { 2918 zfs_handle_t *zhp; 2919 zfs_userquota_prop_t p; 2920 uu_avl_pool_t *avl_pool; 2921 uu_avl_t *avl_tree; 2922 uu_avl_walk_t *walk; 2923 char *delim; 2924 char deffields[] = "type,name,used,quota,objused,objquota"; 2925 char *ofield = NULL; 2926 char *tfield = NULL; 2927 int cfield = 0; 2928 int fields[256]; 2929 int i; 2930 boolean_t scripted = B_FALSE; 2931 boolean_t prtnum = B_FALSE; 2932 boolean_t parsable = B_FALSE; 2933 boolean_t sid2posix = B_FALSE; 2934 int ret = 0; 2935 int c; 2936 zfs_sort_column_t *sortcol = NULL; 2937 int types = USTYPE_PSX_USR | USTYPE_SMB_USR; 2938 us_cbdata_t cb; 2939 us_node_t *node; 2940 us_node_t *rmnode; 2941 uu_list_pool_t *listpool; 2942 uu_list_t *list; 2943 uu_avl_index_t idx = 0; 2944 uu_list_index_t idx2 = 0; 2945 2946 if (argc < 2) 2947 usage(B_FALSE); 2948 2949 if (strcmp(argv[0], "groupspace") == 0) { 2950 /* Toggle default group types */ 2951 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP; 2952 } else if (strcmp(argv[0], "projectspace") == 0) { 2953 types = USTYPE_PROJ; 2954 prtnum = B_TRUE; 2955 } 2956 2957 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) { 2958 switch (c) { 2959 case 'n': 2960 if (types == USTYPE_PROJ) { 2961 (void) fprintf(stderr, 2962 gettext("invalid option 'n'\n")); 2963 usage(B_FALSE); 2964 } 2965 prtnum = B_TRUE; 2966 break; 2967 case 'H': 2968 scripted = B_TRUE; 2969 break; 2970 case 'p': 2971 parsable = B_TRUE; 2972 break; 2973 case 'o': 2974 ofield = optarg; 2975 break; 2976 case 's': 2977 case 'S': 2978 if (zfs_add_sort_column(&sortcol, optarg, 2979 c == 's' ? B_FALSE : B_TRUE) != 0) { 2980 (void) fprintf(stderr, 2981 gettext("invalid field '%s'\n"), optarg); 2982 usage(B_FALSE); 2983 } 2984 break; 2985 case 't': 2986 if (types == USTYPE_PROJ) { 2987 (void) fprintf(stderr, 2988 gettext("invalid option 't'\n")); 2989 usage(B_FALSE); 2990 } 2991 tfield = optarg; 2992 break; 2993 case 'i': 2994 if (types == USTYPE_PROJ) { 2995 (void) fprintf(stderr, 2996 gettext("invalid option 'i'\n")); 2997 usage(B_FALSE); 2998 } 2999 sid2posix = B_TRUE; 3000 break; 3001 case ':': 3002 (void) fprintf(stderr, gettext("missing argument for " 3003 "'%c' option\n"), optopt); 3004 usage(B_FALSE); 3005 break; 3006 case '?': 3007 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3008 optopt); 3009 usage(B_FALSE); 3010 } 3011 } 3012 3013 argc -= optind; 3014 argv += optind; 3015 3016 if (argc < 1) { 3017 (void) fprintf(stderr, gettext("missing dataset name\n")); 3018 usage(B_FALSE); 3019 } 3020 if (argc > 1) { 3021 (void) fprintf(stderr, gettext("too many arguments\n")); 3022 usage(B_FALSE); 3023 } 3024 3025 /* Use default output fields if not specified using -o */ 3026 if (ofield == NULL) 3027 ofield = deffields; 3028 do { 3029 if ((delim = strchr(ofield, ',')) != NULL) 3030 *delim = '\0'; 3031 if ((fields[cfield++] = us_field_index(ofield)) == -1) { 3032 (void) fprintf(stderr, gettext("invalid type '%s' " 3033 "for -o option\n"), ofield); 3034 return (-1); 3035 } 3036 if (delim != NULL) 3037 ofield = delim + 1; 3038 } while (delim != NULL); 3039 fields[cfield] = USFIELD_LAST; 3040 3041 /* Override output types (-t option) */ 3042 if (tfield != NULL) { 3043 types = 0; 3044 3045 do { 3046 boolean_t found = B_FALSE; 3047 3048 if ((delim = strchr(tfield, ',')) != NULL) 3049 *delim = '\0'; 3050 for (i = 0; i < sizeof (us_type_bits) / sizeof (int); 3051 i++) { 3052 if (strcmp(tfield, us_type_names[i]) == 0) { 3053 found = B_TRUE; 3054 types |= us_type_bits[i]; 3055 break; 3056 } 3057 } 3058 if (!found) { 3059 (void) fprintf(stderr, gettext("invalid type " 3060 "'%s' for -t option\n"), tfield); 3061 return (-1); 3062 } 3063 if (delim != NULL) 3064 tfield = delim + 1; 3065 } while (delim != NULL); 3066 } 3067 3068 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL) 3069 return (1); 3070 3071 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t), 3072 offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL) 3073 nomem(); 3074 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL) 3075 nomem(); 3076 3077 /* Always add default sorting columns */ 3078 (void) zfs_add_sort_column(&sortcol, "type", B_FALSE); 3079 (void) zfs_add_sort_column(&sortcol, "name", B_FALSE); 3080 3081 cb.cb_sortcol = sortcol; 3082 cb.cb_numname = prtnum; 3083 cb.cb_nicenum = !parsable; 3084 cb.cb_avl_pool = avl_pool; 3085 cb.cb_avl = avl_tree; 3086 cb.cb_sid2posix = sid2posix; 3087 3088 for (i = 0; i < USFIELD_LAST; i++) 3089 cb.cb_width[i] = strlen(gettext(us_field_hdr[i])); 3090 3091 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) { 3092 if ((zfs_prop_is_user(p) && 3093 !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) || 3094 (zfs_prop_is_group(p) && 3095 !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))) || 3096 (zfs_prop_is_project(p) && types != USTYPE_PROJ)) 3097 continue; 3098 3099 cb.cb_prop = p; 3100 if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0) 3101 return (ret); 3102 } 3103 3104 /* Sort the list */ 3105 if ((node = uu_avl_first(avl_tree)) == NULL) 3106 return (0); 3107 3108 us_populated = B_TRUE; 3109 3110 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t), 3111 offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT); 3112 list = uu_list_create(listpool, NULL, UU_DEFAULT); 3113 uu_list_node_init(node, &node->usn_listnode, listpool); 3114 3115 while (node != NULL) { 3116 rmnode = node; 3117 node = uu_avl_next(avl_tree, node); 3118 uu_avl_remove(avl_tree, rmnode); 3119 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL) 3120 uu_list_insert(list, rmnode, idx2); 3121 } 3122 3123 for (node = uu_list_first(list); node != NULL; 3124 node = uu_list_next(list, node)) { 3125 us_sort_info_t sortinfo = { sortcol, cb.cb_numname }; 3126 3127 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL) 3128 uu_avl_insert(avl_tree, node, idx); 3129 } 3130 3131 uu_list_destroy(list); 3132 uu_list_pool_destroy(listpool); 3133 3134 /* Print and free node nvlist memory */ 3135 print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE, 3136 cb.cb_avl); 3137 3138 zfs_free_sort_columns(sortcol); 3139 3140 /* Clean up the AVL tree */ 3141 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL) 3142 nomem(); 3143 3144 while ((node = uu_avl_walk_next(walk)) != NULL) { 3145 uu_avl_remove(cb.cb_avl, node); 3146 free(node); 3147 } 3148 3149 uu_avl_walk_end(walk); 3150 uu_avl_destroy(avl_tree); 3151 uu_avl_pool_destroy(avl_pool); 3152 3153 return (ret); 3154 } 3155 3156 /* 3157 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property] ... 3158 * [-t type[,...]] [filesystem|volume|snapshot] ... 3159 * 3160 * -H Scripted mode; elide headers and separate columns by tabs. 3161 * -p Display values in parsable (literal) format. 3162 * -r Recurse over all children. 3163 * -d Limit recursion by depth. 3164 * -o Control which fields to display. 3165 * -s Specify sort columns, descending order. 3166 * -S Specify sort columns, ascending order. 3167 * -t Control which object types to display. 3168 * 3169 * When given no arguments, list all filesystems in the system. 3170 * Otherwise, list the specified datasets, optionally recursing down them if 3171 * '-r' is specified. 3172 */ 3173 typedef struct list_cbdata { 3174 boolean_t cb_first; 3175 boolean_t cb_literal; 3176 boolean_t cb_scripted; 3177 zprop_list_t *cb_proplist; 3178 } list_cbdata_t; 3179 3180 /* 3181 * Given a list of columns to display, output appropriate headers for each one. 3182 */ 3183 static void 3184 print_header(list_cbdata_t *cb) 3185 { 3186 zprop_list_t *pl = cb->cb_proplist; 3187 char headerbuf[ZFS_MAXPROPLEN]; 3188 const char *header; 3189 int i; 3190 boolean_t first = B_TRUE; 3191 boolean_t right_justify; 3192 3193 for (; pl != NULL; pl = pl->pl_next) { 3194 if (!first) { 3195 (void) printf(" "); 3196 } else { 3197 first = B_FALSE; 3198 } 3199 3200 right_justify = B_FALSE; 3201 if (pl->pl_prop != ZPROP_INVAL) { 3202 header = zfs_prop_column_name(pl->pl_prop); 3203 right_justify = zfs_prop_align_right(pl->pl_prop); 3204 } else { 3205 for (i = 0; pl->pl_user_prop[i] != '\0'; i++) 3206 headerbuf[i] = toupper(pl->pl_user_prop[i]); 3207 headerbuf[i] = '\0'; 3208 header = headerbuf; 3209 } 3210 3211 if (pl->pl_next == NULL && !right_justify) 3212 (void) printf("%s", header); 3213 else if (right_justify) 3214 (void) printf("%*s", pl->pl_width, header); 3215 else 3216 (void) printf("%-*s", pl->pl_width, header); 3217 } 3218 3219 (void) printf("\n"); 3220 } 3221 3222 /* 3223 * Given a dataset and a list of fields, print out all the properties according 3224 * to the described layout. 3225 */ 3226 static void 3227 print_dataset(zfs_handle_t *zhp, list_cbdata_t *cb) 3228 { 3229 zprop_list_t *pl = cb->cb_proplist; 3230 boolean_t first = B_TRUE; 3231 char property[ZFS_MAXPROPLEN]; 3232 nvlist_t *userprops = zfs_get_user_props(zhp); 3233 nvlist_t *propval; 3234 char *propstr; 3235 boolean_t right_justify; 3236 3237 for (; pl != NULL; pl = pl->pl_next) { 3238 if (!first) { 3239 if (cb->cb_scripted) 3240 (void) printf("\t"); 3241 else 3242 (void) printf(" "); 3243 } else { 3244 first = B_FALSE; 3245 } 3246 3247 if (pl->pl_prop == ZFS_PROP_NAME) { 3248 (void) strlcpy(property, zfs_get_name(zhp), 3249 sizeof (property)); 3250 propstr = property; 3251 right_justify = zfs_prop_align_right(pl->pl_prop); 3252 } else if (pl->pl_prop != ZPROP_INVAL) { 3253 if (zfs_prop_get(zhp, pl->pl_prop, property, 3254 sizeof (property), NULL, NULL, 0, 3255 cb->cb_literal) != 0) 3256 propstr = "-"; 3257 else 3258 propstr = property; 3259 right_justify = zfs_prop_align_right(pl->pl_prop); 3260 } else if (zfs_prop_userquota(pl->pl_user_prop)) { 3261 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop, 3262 property, sizeof (property), cb->cb_literal) != 0) 3263 propstr = "-"; 3264 else 3265 propstr = property; 3266 right_justify = B_TRUE; 3267 } else if (zfs_prop_written(pl->pl_user_prop)) { 3268 if (zfs_prop_get_written(zhp, pl->pl_user_prop, 3269 property, sizeof (property), cb->cb_literal) != 0) 3270 propstr = "-"; 3271 else 3272 propstr = property; 3273 right_justify = B_TRUE; 3274 } else { 3275 if (nvlist_lookup_nvlist(userprops, 3276 pl->pl_user_prop, &propval) != 0) 3277 propstr = "-"; 3278 else 3279 verify(nvlist_lookup_string(propval, 3280 ZPROP_VALUE, &propstr) == 0); 3281 right_justify = B_FALSE; 3282 } 3283 3284 /* 3285 * If this is being called in scripted mode, or if this is the 3286 * last column and it is left-justified, don't include a width 3287 * format specifier. 3288 */ 3289 if (cb->cb_scripted || (pl->pl_next == NULL && !right_justify)) 3290 (void) printf("%s", propstr); 3291 else if (right_justify) 3292 (void) printf("%*s", pl->pl_width, propstr); 3293 else 3294 (void) printf("%-*s", pl->pl_width, propstr); 3295 } 3296 3297 (void) printf("\n"); 3298 } 3299 3300 /* 3301 * Generic callback function to list a dataset or snapshot. 3302 */ 3303 static int 3304 list_callback(zfs_handle_t *zhp, void *data) 3305 { 3306 list_cbdata_t *cbp = data; 3307 3308 if (cbp->cb_first) { 3309 if (!cbp->cb_scripted) 3310 print_header(cbp); 3311 cbp->cb_first = B_FALSE; 3312 } 3313 3314 print_dataset(zhp, cbp); 3315 3316 return (0); 3317 } 3318 3319 static int 3320 zfs_do_list(int argc, char **argv) 3321 { 3322 int c; 3323 static char default_fields[] = 3324 "name,used,available,referenced,mountpoint"; 3325 int types = ZFS_TYPE_DATASET; 3326 boolean_t types_specified = B_FALSE; 3327 char *fields = NULL; 3328 list_cbdata_t cb = { 0 }; 3329 char *value; 3330 int limit = 0; 3331 int ret = 0; 3332 zfs_sort_column_t *sortcol = NULL; 3333 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS; 3334 3335 /* check options */ 3336 while ((c = getopt(argc, argv, "HS:d:o:prs:t:")) != -1) { 3337 switch (c) { 3338 case 'o': 3339 fields = optarg; 3340 break; 3341 case 'p': 3342 cb.cb_literal = B_TRUE; 3343 flags |= ZFS_ITER_LITERAL_PROPS; 3344 break; 3345 case 'd': 3346 limit = parse_depth(optarg, &flags); 3347 break; 3348 case 'r': 3349 flags |= ZFS_ITER_RECURSE; 3350 break; 3351 case 'H': 3352 cb.cb_scripted = B_TRUE; 3353 break; 3354 case 's': 3355 if (zfs_add_sort_column(&sortcol, optarg, 3356 B_FALSE) != 0) { 3357 (void) fprintf(stderr, 3358 gettext("invalid property '%s'\n"), optarg); 3359 usage(B_FALSE); 3360 } 3361 break; 3362 case 'S': 3363 if (zfs_add_sort_column(&sortcol, optarg, 3364 B_TRUE) != 0) { 3365 (void) fprintf(stderr, 3366 gettext("invalid property '%s'\n"), optarg); 3367 usage(B_FALSE); 3368 } 3369 break; 3370 case 't': 3371 types = 0; 3372 types_specified = B_TRUE; 3373 flags &= ~ZFS_ITER_PROP_LISTSNAPS; 3374 while (*optarg != '\0') { 3375 static char *type_subopts[] = { "filesystem", 3376 "volume", "snapshot", "snap", "bookmark", 3377 "all", NULL }; 3378 3379 switch (getsubopt(&optarg, type_subopts, 3380 &value)) { 3381 case 0: 3382 types |= ZFS_TYPE_FILESYSTEM; 3383 break; 3384 case 1: 3385 types |= ZFS_TYPE_VOLUME; 3386 break; 3387 case 2: 3388 case 3: 3389 types |= ZFS_TYPE_SNAPSHOT; 3390 break; 3391 case 4: 3392 types |= ZFS_TYPE_BOOKMARK; 3393 break; 3394 case 5: 3395 types = ZFS_TYPE_DATASET | 3396 ZFS_TYPE_BOOKMARK; 3397 break; 3398 default: 3399 (void) fprintf(stderr, 3400 gettext("invalid type '%s'\n"), 3401 value); 3402 usage(B_FALSE); 3403 } 3404 } 3405 break; 3406 case ':': 3407 (void) fprintf(stderr, gettext("missing argument for " 3408 "'%c' option\n"), optopt); 3409 usage(B_FALSE); 3410 break; 3411 case '?': 3412 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3413 optopt); 3414 usage(B_FALSE); 3415 } 3416 } 3417 3418 argc -= optind; 3419 argv += optind; 3420 3421 if (fields == NULL) 3422 fields = default_fields; 3423 3424 /* 3425 * If we are only going to list snapshot names and sort by name, 3426 * then we can use faster version. 3427 */ 3428 if (strcmp(fields, "name") == 0 && zfs_sort_only_by_name(sortcol)) 3429 flags |= ZFS_ITER_SIMPLE; 3430 3431 /* 3432 * If "-o space" and no types were specified, don't display snapshots. 3433 */ 3434 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE) 3435 types &= ~ZFS_TYPE_SNAPSHOT; 3436 3437 /* 3438 * If the user specifies '-o all', the zprop_get_list() doesn't 3439 * normally include the name of the dataset. For 'zfs list', we always 3440 * want this property to be first. 3441 */ 3442 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET) 3443 != 0) 3444 usage(B_FALSE); 3445 3446 cb.cb_first = B_TRUE; 3447 3448 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist, 3449 limit, list_callback, &cb); 3450 3451 zprop_free_list(cb.cb_proplist); 3452 zfs_free_sort_columns(sortcol); 3453 3454 if (ret == 0 && cb.cb_first && !cb.cb_scripted) 3455 (void) printf(gettext("no datasets available\n")); 3456 3457 return (ret); 3458 } 3459 3460 /* 3461 * zfs rename [-f] <fs | snap | vol> <fs | snap | vol> 3462 * zfs rename [-f] -p <fs | vol> <fs | vol> 3463 * zfs rename -r <snap> <snap> 3464 * 3465 * Renames the given dataset to another of the same type. 3466 * 3467 * The '-p' flag creates all the non-existing ancestors of the target first. 3468 */ 3469 /* ARGSUSED */ 3470 static int 3471 zfs_do_rename(int argc, char **argv) 3472 { 3473 zfs_handle_t *zhp; 3474 int c; 3475 int ret = 0; 3476 boolean_t recurse = B_FALSE; 3477 boolean_t parents = B_FALSE; 3478 boolean_t force_unmount = B_FALSE; 3479 3480 /* check options */ 3481 while ((c = getopt(argc, argv, "prf")) != -1) { 3482 switch (c) { 3483 case 'p': 3484 parents = B_TRUE; 3485 break; 3486 case 'r': 3487 recurse = B_TRUE; 3488 break; 3489 case 'f': 3490 force_unmount = B_TRUE; 3491 break; 3492 case '?': 3493 default: 3494 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3495 optopt); 3496 usage(B_FALSE); 3497 } 3498 } 3499 3500 argc -= optind; 3501 argv += optind; 3502 3503 /* check number of arguments */ 3504 if (argc < 1) { 3505 (void) fprintf(stderr, gettext("missing source dataset " 3506 "argument\n")); 3507 usage(B_FALSE); 3508 } 3509 if (argc < 2) { 3510 (void) fprintf(stderr, gettext("missing target dataset " 3511 "argument\n")); 3512 usage(B_FALSE); 3513 } 3514 if (argc > 2) { 3515 (void) fprintf(stderr, gettext("too many arguments\n")); 3516 usage(B_FALSE); 3517 } 3518 3519 if (recurse && parents) { 3520 (void) fprintf(stderr, gettext("-p and -r options are mutually " 3521 "exclusive\n")); 3522 usage(B_FALSE); 3523 } 3524 3525 if (recurse && strchr(argv[0], '@') == 0) { 3526 (void) fprintf(stderr, gettext("source dataset for recursive " 3527 "rename must be a snapshot\n")); 3528 usage(B_FALSE); 3529 } 3530 3531 if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM | 3532 ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL) 3533 return (1); 3534 3535 /* If we were asked and the name looks good, try to create ancestors. */ 3536 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) && 3537 zfs_create_ancestors(g_zfs, argv[1]) != 0) { 3538 zfs_close(zhp); 3539 return (1); 3540 } 3541 3542 ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0); 3543 3544 zfs_close(zhp); 3545 return (ret); 3546 } 3547 3548 /* 3549 * zfs promote <fs> 3550 * 3551 * Promotes the given clone fs to be the parent 3552 */ 3553 /* ARGSUSED */ 3554 static int 3555 zfs_do_promote(int argc, char **argv) 3556 { 3557 zfs_handle_t *zhp; 3558 int ret = 0; 3559 3560 /* check options */ 3561 if (argc > 1 && argv[1][0] == '-') { 3562 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3563 argv[1][1]); 3564 usage(B_FALSE); 3565 } 3566 3567 /* check number of arguments */ 3568 if (argc < 2) { 3569 (void) fprintf(stderr, gettext("missing clone filesystem" 3570 " argument\n")); 3571 usage(B_FALSE); 3572 } 3573 if (argc > 2) { 3574 (void) fprintf(stderr, gettext("too many arguments\n")); 3575 usage(B_FALSE); 3576 } 3577 3578 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 3579 if (zhp == NULL) 3580 return (1); 3581 3582 ret = (zfs_promote(zhp) != 0); 3583 3584 3585 zfs_close(zhp); 3586 return (ret); 3587 } 3588 3589 /* 3590 * zfs rollback [-rRf] <snapshot> 3591 * 3592 * -r Delete any intervening snapshots before doing rollback 3593 * -R Delete any snapshots and their clones 3594 * -f ignored for backwards compatability 3595 * 3596 * Given a filesystem, rollback to a specific snapshot, discarding any changes 3597 * since then and making it the active dataset. If more recent snapshots exist, 3598 * the command will complain unless the '-r' flag is given. 3599 */ 3600 typedef struct rollback_cbdata { 3601 uint64_t cb_create; 3602 boolean_t cb_first; 3603 int cb_doclones; 3604 char *cb_target; 3605 int cb_error; 3606 boolean_t cb_recurse; 3607 } rollback_cbdata_t; 3608 3609 static int 3610 rollback_check_dependent(zfs_handle_t *zhp, void *data) 3611 { 3612 rollback_cbdata_t *cbp = data; 3613 3614 if (cbp->cb_first && cbp->cb_recurse) { 3615 (void) fprintf(stderr, gettext("cannot rollback to " 3616 "'%s': clones of previous snapshots exist\n"), 3617 cbp->cb_target); 3618 (void) fprintf(stderr, gettext("use '-R' to " 3619 "force deletion of the following clones and " 3620 "dependents:\n")); 3621 cbp->cb_first = 0; 3622 cbp->cb_error = 1; 3623 } 3624 3625 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp)); 3626 3627 zfs_close(zhp); 3628 return (0); 3629 } 3630 3631 /* 3632 * Report any snapshots more recent than the one specified. Used when '-r' is 3633 * not specified. We reuse this same callback for the snapshot dependents - if 3634 * 'cb_dependent' is set, then this is a dependent and we should report it 3635 * without checking the transaction group. 3636 */ 3637 static int 3638 rollback_check(zfs_handle_t *zhp, void *data) 3639 { 3640 rollback_cbdata_t *cbp = data; 3641 3642 if (cbp->cb_doclones) { 3643 zfs_close(zhp); 3644 return (0); 3645 } 3646 3647 if (zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) > cbp->cb_create) { 3648 if (cbp->cb_first && !cbp->cb_recurse) { 3649 (void) fprintf(stderr, gettext("cannot " 3650 "rollback to '%s': more recent snapshots " 3651 "or bookmarks exist\n"), 3652 cbp->cb_target); 3653 (void) fprintf(stderr, gettext("use '-r' to " 3654 "force deletion of the following " 3655 "snapshots and bookmarks:\n")); 3656 cbp->cb_first = 0; 3657 cbp->cb_error = 1; 3658 } 3659 3660 if (cbp->cb_recurse) { 3661 if (zfs_iter_dependents(zhp, B_TRUE, 3662 rollback_check_dependent, cbp) != 0) { 3663 zfs_close(zhp); 3664 return (-1); 3665 } 3666 } else { 3667 (void) fprintf(stderr, "%s\n", 3668 zfs_get_name(zhp)); 3669 } 3670 } 3671 zfs_close(zhp); 3672 return (0); 3673 } 3674 3675 static int 3676 zfs_do_rollback(int argc, char **argv) 3677 { 3678 int ret = 0; 3679 int c; 3680 boolean_t force = B_FALSE; 3681 rollback_cbdata_t cb = { 0 }; 3682 zfs_handle_t *zhp, *snap; 3683 char parentname[ZFS_MAX_DATASET_NAME_LEN]; 3684 char *delim; 3685 3686 /* check options */ 3687 while ((c = getopt(argc, argv, "rRf")) != -1) { 3688 switch (c) { 3689 case 'r': 3690 cb.cb_recurse = 1; 3691 break; 3692 case 'R': 3693 cb.cb_recurse = 1; 3694 cb.cb_doclones = 1; 3695 break; 3696 case 'f': 3697 force = B_TRUE; 3698 break; 3699 case '?': 3700 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3701 optopt); 3702 usage(B_FALSE); 3703 } 3704 } 3705 3706 argc -= optind; 3707 argv += optind; 3708 3709 /* check number of arguments */ 3710 if (argc < 1) { 3711 (void) fprintf(stderr, gettext("missing dataset argument\n")); 3712 usage(B_FALSE); 3713 } 3714 if (argc > 1) { 3715 (void) fprintf(stderr, gettext("too many arguments\n")); 3716 usage(B_FALSE); 3717 } 3718 3719 /* open the snapshot */ 3720 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL) 3721 return (1); 3722 3723 /* open the parent dataset */ 3724 (void) strlcpy(parentname, argv[0], sizeof (parentname)); 3725 verify((delim = strrchr(parentname, '@')) != NULL); 3726 *delim = '\0'; 3727 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) { 3728 zfs_close(snap); 3729 return (1); 3730 } 3731 3732 /* 3733 * Check for more recent snapshots and/or clones based on the presence 3734 * of '-r' and '-R'. 3735 */ 3736 cb.cb_target = argv[0]; 3737 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG); 3738 cb.cb_first = B_TRUE; 3739 cb.cb_error = 0; 3740 if ((ret = zfs_iter_snapshots(zhp, B_FALSE, rollback_check, &cb)) != 0) 3741 goto out; 3742 if ((ret = zfs_iter_bookmarks(zhp, rollback_check, &cb)) != 0) 3743 goto out; 3744 3745 if ((ret = cb.cb_error) != 0) 3746 goto out; 3747 3748 /* 3749 * Rollback parent to the given snapshot. 3750 */ 3751 ret = zfs_rollback(zhp, snap, force); 3752 3753 out: 3754 zfs_close(snap); 3755 zfs_close(zhp); 3756 3757 if (ret == 0) 3758 return (0); 3759 else 3760 return (1); 3761 } 3762 3763 /* 3764 * zfs set property=value ... { fs | snap | vol } ... 3765 * 3766 * Sets the given properties for all datasets specified on the command line. 3767 */ 3768 3769 static int 3770 set_callback(zfs_handle_t *zhp, void *data) 3771 { 3772 nvlist_t *props = data; 3773 3774 if (zfs_prop_set_list(zhp, props) != 0) { 3775 switch (libzfs_errno(g_zfs)) { 3776 case EZFS_MOUNTFAILED: 3777 (void) fprintf(stderr, gettext("property may be set " 3778 "but unable to remount filesystem\n")); 3779 break; 3780 case EZFS_SHARENFSFAILED: 3781 (void) fprintf(stderr, gettext("property may be set " 3782 "but unable to reshare filesystem\n")); 3783 break; 3784 } 3785 return (1); 3786 } 3787 return (0); 3788 } 3789 3790 static int 3791 zfs_do_set(int argc, char **argv) 3792 { 3793 nvlist_t *props = NULL; 3794 int ds_start = -1; /* argv idx of first dataset arg */ 3795 int ret = 0; 3796 3797 /* check for options */ 3798 if (argc > 1 && argv[1][0] == '-') { 3799 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3800 argv[1][1]); 3801 usage(B_FALSE); 3802 } 3803 3804 /* check number of arguments */ 3805 if (argc < 2) { 3806 (void) fprintf(stderr, gettext("missing arguments\n")); 3807 usage(B_FALSE); 3808 } 3809 if (argc < 3) { 3810 if (strchr(argv[1], '=') == NULL) { 3811 (void) fprintf(stderr, gettext("missing property=value " 3812 "argument(s)\n")); 3813 } else { 3814 (void) fprintf(stderr, gettext("missing dataset " 3815 "name(s)\n")); 3816 } 3817 usage(B_FALSE); 3818 } 3819 3820 /* validate argument order: prop=val args followed by dataset args */ 3821 for (int i = 1; i < argc; i++) { 3822 if (strchr(argv[i], '=') != NULL) { 3823 if (ds_start > 0) { 3824 /* out-of-order prop=val argument */ 3825 (void) fprintf(stderr, gettext("invalid " 3826 "argument order\n"), i); 3827 usage(B_FALSE); 3828 } 3829 } else if (ds_start < 0) { 3830 ds_start = i; 3831 } 3832 } 3833 if (ds_start < 0) { 3834 (void) fprintf(stderr, gettext("missing dataset name(s)\n")); 3835 usage(B_FALSE); 3836 } 3837 3838 /* Populate a list of property settings */ 3839 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 3840 nomem(); 3841 for (int i = 1; i < ds_start; i++) { 3842 if (!parseprop(props, argv[i])) { 3843 ret = -1; 3844 goto error; 3845 } 3846 } 3847 3848 ret = zfs_for_each(argc - ds_start, argv + ds_start, 0, 3849 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, props); 3850 3851 error: 3852 nvlist_free(props); 3853 return (ret); 3854 } 3855 3856 typedef struct snap_cbdata { 3857 nvlist_t *sd_nvl; 3858 boolean_t sd_recursive; 3859 const char *sd_snapname; 3860 } snap_cbdata_t; 3861 3862 static int 3863 zfs_snapshot_cb(zfs_handle_t *zhp, void *arg) 3864 { 3865 snap_cbdata_t *sd = arg; 3866 char *name; 3867 int rv = 0; 3868 int error; 3869 3870 if (sd->sd_recursive && 3871 zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) != 0) { 3872 zfs_close(zhp); 3873 return (0); 3874 } 3875 3876 error = asprintf(&name, "%s@%s", zfs_get_name(zhp), sd->sd_snapname); 3877 if (error == -1) 3878 nomem(); 3879 fnvlist_add_boolean(sd->sd_nvl, name); 3880 free(name); 3881 3882 if (sd->sd_recursive) 3883 rv = zfs_iter_filesystems(zhp, zfs_snapshot_cb, sd); 3884 zfs_close(zhp); 3885 return (rv); 3886 } 3887 3888 /* 3889 * zfs snapshot [-r] [-o prop=value] ... <fs@snap> 3890 * 3891 * Creates a snapshot with the given name. While functionally equivalent to 3892 * 'zfs create', it is a separate command to differentiate intent. 3893 */ 3894 static int 3895 zfs_do_snapshot(int argc, char **argv) 3896 { 3897 int ret = 0; 3898 int c; 3899 nvlist_t *props; 3900 snap_cbdata_t sd = { 0 }; 3901 boolean_t multiple_snaps = B_FALSE; 3902 3903 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 3904 nomem(); 3905 if (nvlist_alloc(&sd.sd_nvl, NV_UNIQUE_NAME, 0) != 0) 3906 nomem(); 3907 3908 /* check options */ 3909 while ((c = getopt(argc, argv, "ro:")) != -1) { 3910 switch (c) { 3911 case 'o': 3912 if (!parseprop(props, optarg)) { 3913 nvlist_free(sd.sd_nvl); 3914 nvlist_free(props); 3915 return (1); 3916 } 3917 break; 3918 case 'r': 3919 sd.sd_recursive = B_TRUE; 3920 multiple_snaps = B_TRUE; 3921 break; 3922 case '?': 3923 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 3924 optopt); 3925 goto usage; 3926 } 3927 } 3928 3929 argc -= optind; 3930 argv += optind; 3931 3932 /* check number of arguments */ 3933 if (argc < 1) { 3934 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 3935 goto usage; 3936 } 3937 3938 if (argc > 1) 3939 multiple_snaps = B_TRUE; 3940 for (; argc > 0; argc--, argv++) { 3941 char *atp; 3942 zfs_handle_t *zhp; 3943 3944 atp = strchr(argv[0], '@'); 3945 if (atp == NULL) 3946 goto usage; 3947 *atp = '\0'; 3948 sd.sd_snapname = atp + 1; 3949 zhp = zfs_open(g_zfs, argv[0], 3950 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 3951 if (zhp == NULL) 3952 goto usage; 3953 if (zfs_snapshot_cb(zhp, &sd) != 0) 3954 goto usage; 3955 } 3956 3957 ret = zfs_snapshot_nvl(g_zfs, sd.sd_nvl, props); 3958 nvlist_free(sd.sd_nvl); 3959 nvlist_free(props); 3960 if (ret != 0 && multiple_snaps) 3961 (void) fprintf(stderr, gettext("no snapshots were created\n")); 3962 return (ret != 0); 3963 3964 usage: 3965 nvlist_free(sd.sd_nvl); 3966 nvlist_free(props); 3967 usage(B_FALSE); 3968 return (-1); 3969 } 3970 3971 /* 3972 * Send a backup stream to stdout. 3973 */ 3974 static int 3975 zfs_do_send(int argc, char **argv) 3976 { 3977 char *fromname = NULL; 3978 char *toname = NULL; 3979 char *resume_token = NULL; 3980 char *cp; 3981 zfs_handle_t *zhp; 3982 sendflags_t flags = { 0 }; 3983 int c, err; 3984 nvlist_t *dbgnv = NULL; 3985 boolean_t extraverbose = B_FALSE; 3986 3987 struct option long_options[] = { 3988 {"replicate", no_argument, NULL, 'R'}, 3989 {"props", no_argument, NULL, 'p'}, 3990 {"parsable", no_argument, NULL, 'P'}, 3991 {"dedup", no_argument, NULL, 'D'}, 3992 {"verbose", no_argument, NULL, 'v'}, 3993 {"dryrun", no_argument, NULL, 'n'}, 3994 {"large-block", no_argument, NULL, 'L'}, 3995 {"embed", no_argument, NULL, 'e'}, 3996 {"resume", required_argument, NULL, 't'}, 3997 {"compressed", no_argument, NULL, 'c'}, 3998 {"raw", no_argument, NULL, 'w'}, 3999 {"backup", no_argument, NULL, 'b'}, 4000 {"holds", no_argument, NULL, 'h'}, 4001 {0, 0, 0, 0} 4002 }; 4003 4004 /* check options */ 4005 while ((c = getopt_long(argc, argv, ":i:I:RDpvnPLeht:cwb", long_options, 4006 NULL)) != -1) { 4007 switch (c) { 4008 case 'i': 4009 if (fromname) 4010 usage(B_FALSE); 4011 fromname = optarg; 4012 break; 4013 case 'I': 4014 if (fromname) 4015 usage(B_FALSE); 4016 fromname = optarg; 4017 flags.doall = B_TRUE; 4018 break; 4019 case 'R': 4020 flags.replicate = B_TRUE; 4021 break; 4022 case 'p': 4023 flags.props = B_TRUE; 4024 break; 4025 case 'b': 4026 flags.backup = B_TRUE; 4027 break; 4028 case 'h': 4029 flags.holds = B_TRUE; 4030 break; 4031 case 'P': 4032 flags.parsable = B_TRUE; 4033 flags.verbose = B_TRUE; 4034 break; 4035 case 'v': 4036 if (flags.verbose) 4037 extraverbose = B_TRUE; 4038 flags.verbose = B_TRUE; 4039 flags.progress = B_TRUE; 4040 break; 4041 case 'D': 4042 flags.dedup = B_TRUE; 4043 break; 4044 case 'n': 4045 flags.dryrun = B_TRUE; 4046 break; 4047 case 'L': 4048 flags.largeblock = B_TRUE; 4049 break; 4050 case 'e': 4051 flags.embed_data = B_TRUE; 4052 break; 4053 case 't': 4054 resume_token = optarg; 4055 break; 4056 case 'c': 4057 flags.compress = B_TRUE; 4058 break; 4059 case 'w': 4060 flags.raw = B_TRUE; 4061 flags.compress = B_TRUE; 4062 flags.embed_data = B_TRUE; 4063 flags.largeblock = B_TRUE; 4064 break; 4065 case ':': 4066 /* 4067 * If a parameter was not passed, optopt contains the 4068 * value that would normally lead us into the 4069 * appropriate case statement. If it's > 256, then this 4070 * must be a longopt and we should look at argv to get 4071 * the string. Otherwise it's just the character, so we 4072 * should use it directly. 4073 */ 4074 if (optopt <= UINT8_MAX) { 4075 (void) fprintf(stderr, 4076 gettext("missing argument for '%c' " 4077 "option\n"), optopt); 4078 } else { 4079 (void) fprintf(stderr, 4080 gettext("missing argument for '%s' " 4081 "option\n"), argv[optind - 1]); 4082 } 4083 usage(B_FALSE); 4084 break; 4085 case '?': 4086 /*FALLTHROUGH*/ 4087 default: 4088 /* 4089 * If an invalid flag was passed, optopt contains the 4090 * character if it was a short flag, or 0 if it was a 4091 * longopt. 4092 */ 4093 if (optopt != 0) { 4094 (void) fprintf(stderr, 4095 gettext("invalid option '%c'\n"), optopt); 4096 } else { 4097 (void) fprintf(stderr, 4098 gettext("invalid option '%s'\n"), 4099 argv[optind - 1]); 4100 4101 } 4102 usage(B_FALSE); 4103 } 4104 } 4105 4106 argc -= optind; 4107 argv += optind; 4108 4109 if (resume_token != NULL) { 4110 if (fromname != NULL || flags.replicate || flags.props || 4111 flags.backup || flags.dedup) { 4112 (void) fprintf(stderr, 4113 gettext("invalid flags combined with -t\n")); 4114 usage(B_FALSE); 4115 } 4116 if (argc != 0) { 4117 (void) fprintf(stderr, gettext("no additional " 4118 "arguments are permitted with -t\n")); 4119 usage(B_FALSE); 4120 } 4121 } else { 4122 if (argc < 1) { 4123 (void) fprintf(stderr, 4124 gettext("missing snapshot argument\n")); 4125 usage(B_FALSE); 4126 } 4127 if (argc > 1) { 4128 (void) fprintf(stderr, gettext("too many arguments\n")); 4129 usage(B_FALSE); 4130 } 4131 } 4132 4133 if (!flags.dryrun && isatty(STDOUT_FILENO)) { 4134 (void) fprintf(stderr, 4135 gettext("Error: Stream can not be written to a terminal.\n" 4136 "You must redirect standard output.\n")); 4137 return (1); 4138 } 4139 4140 if (resume_token != NULL) { 4141 return (zfs_send_resume(g_zfs, &flags, STDOUT_FILENO, 4142 resume_token)); 4143 } 4144 4145 /* 4146 * Special case sending a filesystem, or from a bookmark. 4147 */ 4148 if (strchr(argv[0], '@') == NULL || 4149 (fromname && strchr(fromname, '#') != NULL)) { 4150 char frombuf[ZFS_MAX_DATASET_NAME_LEN]; 4151 enum lzc_send_flags lzc_flags = 0; 4152 4153 if (flags.replicate || flags.doall || flags.props || 4154 flags.backup || flags.dedup || flags.holds || 4155 flags.dryrun || flags.verbose || flags.progress) { 4156 (void) fprintf(stderr, 4157 gettext("Error: " 4158 "Unsupported flag with filesystem or bookmark.\n")); 4159 return (1); 4160 } 4161 4162 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET); 4163 if (zhp == NULL) 4164 return (1); 4165 4166 if (flags.largeblock) 4167 lzc_flags |= LZC_SEND_FLAG_LARGE_BLOCK; 4168 if (flags.embed_data) 4169 lzc_flags |= LZC_SEND_FLAG_EMBED_DATA; 4170 if (flags.compress) 4171 lzc_flags |= LZC_SEND_FLAG_COMPRESS; 4172 if (flags.raw) 4173 lzc_flags |= LZC_SEND_FLAG_RAW; 4174 4175 if (fromname != NULL && 4176 (fromname[0] == '#' || fromname[0] == '@')) { 4177 /* 4178 * Incremental source name begins with # or @. 4179 * Default to same fs as target. 4180 */ 4181 (void) strlcpy(frombuf, argv[0], sizeof (frombuf)); 4182 cp = strchr(frombuf, '@'); 4183 if (cp != NULL) 4184 *cp = '\0'; 4185 (void) strlcat(frombuf, fromname, sizeof (frombuf)); 4186 fromname = frombuf; 4187 } 4188 err = zfs_send_one(zhp, fromname, STDOUT_FILENO, lzc_flags); 4189 zfs_close(zhp); 4190 return (err != 0); 4191 } 4192 4193 cp = strchr(argv[0], '@'); 4194 *cp = '\0'; 4195 toname = cp + 1; 4196 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4197 if (zhp == NULL) 4198 return (1); 4199 4200 /* 4201 * If they specified the full path to the snapshot, chop off 4202 * everything except the short name of the snapshot, but special 4203 * case if they specify the origin. 4204 */ 4205 if (fromname && (cp = strchr(fromname, '@')) != NULL) { 4206 char origin[ZFS_MAX_DATASET_NAME_LEN]; 4207 zprop_source_t src; 4208 4209 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN, 4210 origin, sizeof (origin), &src, NULL, 0, B_FALSE); 4211 4212 if (strcmp(origin, fromname) == 0) { 4213 fromname = NULL; 4214 flags.fromorigin = B_TRUE; 4215 } else { 4216 *cp = '\0'; 4217 if (cp != fromname && strcmp(argv[0], fromname)) { 4218 (void) fprintf(stderr, 4219 gettext("incremental source must be " 4220 "in same filesystem\n")); 4221 usage(B_FALSE); 4222 } 4223 fromname = cp + 1; 4224 if (strchr(fromname, '@') || strchr(fromname, '/')) { 4225 (void) fprintf(stderr, 4226 gettext("invalid incremental source\n")); 4227 usage(B_FALSE); 4228 } 4229 } 4230 } 4231 4232 if (flags.replicate && fromname == NULL) 4233 flags.doall = B_TRUE; 4234 4235 err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0, 4236 extraverbose ? &dbgnv : NULL); 4237 4238 if (extraverbose && dbgnv != NULL) { 4239 /* 4240 * dump_nvlist prints to stdout, but that's been 4241 * redirected to a file. Make it print to stderr 4242 * instead. 4243 */ 4244 (void) dup2(STDERR_FILENO, STDOUT_FILENO); 4245 dump_nvlist(dbgnv, 0); 4246 nvlist_free(dbgnv); 4247 } 4248 zfs_close(zhp); 4249 4250 return (err != 0); 4251 } 4252 4253 /* 4254 * Restore a backup stream from stdin. 4255 */ 4256 static int 4257 zfs_do_receive(int argc, char **argv) 4258 { 4259 int c, err = 0; 4260 recvflags_t flags = { 0 }; 4261 boolean_t abort_resumable = B_FALSE; 4262 nvlist_t *props; 4263 4264 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) 4265 nomem(); 4266 4267 /* check options */ 4268 while ((c = getopt(argc, argv, ":o:x:dehnuvFsA")) != -1) { 4269 switch (c) { 4270 case 'o': 4271 if (!parseprop(props, optarg)) { 4272 nvlist_free(props); 4273 usage(B_FALSE); 4274 } 4275 break; 4276 case 'x': 4277 if (!parsepropname(props, optarg)) { 4278 nvlist_free(props); 4279 usage(B_FALSE); 4280 } 4281 break; 4282 case 'd': 4283 flags.isprefix = B_TRUE; 4284 break; 4285 case 'e': 4286 flags.isprefix = B_TRUE; 4287 flags.istail = B_TRUE; 4288 break; 4289 case 'h': 4290 flags.skipholds = B_TRUE; 4291 break; 4292 case 'n': 4293 flags.dryrun = B_TRUE; 4294 break; 4295 case 'u': 4296 flags.nomount = B_TRUE; 4297 break; 4298 case 'v': 4299 flags.verbose = B_TRUE; 4300 break; 4301 case 's': 4302 flags.resumable = B_TRUE; 4303 break; 4304 case 'F': 4305 flags.force = B_TRUE; 4306 break; 4307 case 'A': 4308 abort_resumable = B_TRUE; 4309 break; 4310 case ':': 4311 (void) fprintf(stderr, gettext("missing argument for " 4312 "'%c' option\n"), optopt); 4313 usage(B_FALSE); 4314 break; 4315 case '?': 4316 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 4317 optopt); 4318 usage(B_FALSE); 4319 } 4320 } 4321 4322 argc -= optind; 4323 argv += optind; 4324 4325 /* check number of arguments */ 4326 if (argc < 1) { 4327 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 4328 usage(B_FALSE); 4329 } 4330 if (argc > 1) { 4331 (void) fprintf(stderr, gettext("too many arguments\n")); 4332 usage(B_FALSE); 4333 } 4334 4335 if (abort_resumable) { 4336 if (flags.isprefix || flags.istail || flags.dryrun || 4337 flags.resumable || flags.nomount) { 4338 (void) fprintf(stderr, gettext("invalid option")); 4339 usage(B_FALSE); 4340 } 4341 4342 char namebuf[ZFS_MAX_DATASET_NAME_LEN]; 4343 (void) snprintf(namebuf, sizeof (namebuf), 4344 "%s/%%recv", argv[0]); 4345 4346 if (zfs_dataset_exists(g_zfs, namebuf, 4347 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME)) { 4348 zfs_handle_t *zhp = zfs_open(g_zfs, 4349 namebuf, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4350 if (zhp == NULL) 4351 return (1); 4352 err = zfs_destroy(zhp, B_FALSE); 4353 } else { 4354 zfs_handle_t *zhp = zfs_open(g_zfs, 4355 argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 4356 if (zhp == NULL) 4357 usage(B_FALSE); 4358 if (!zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) || 4359 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, 4360 NULL, 0, NULL, NULL, 0, B_TRUE) == -1) { 4361 (void) fprintf(stderr, 4362 gettext("'%s' does not have any " 4363 "resumable receive state to abort\n"), 4364 argv[0]); 4365 return (1); 4366 } 4367 err = zfs_destroy(zhp, B_FALSE); 4368 } 4369 4370 return (err != 0); 4371 } 4372 4373 if (isatty(STDIN_FILENO)) { 4374 (void) fprintf(stderr, 4375 gettext("Error: Backup stream can not be read " 4376 "from a terminal.\n" 4377 "You must redirect standard input.\n")); 4378 return (1); 4379 } 4380 err = zfs_receive(g_zfs, argv[0], props, &flags, STDIN_FILENO, NULL); 4381 4382 return (err != 0); 4383 } 4384 4385 /* 4386 * allow/unallow stuff 4387 */ 4388 /* copied from zfs/sys/dsl_deleg.h */ 4389 #define ZFS_DELEG_PERM_CREATE "create" 4390 #define ZFS_DELEG_PERM_DESTROY "destroy" 4391 #define ZFS_DELEG_PERM_SNAPSHOT "snapshot" 4392 #define ZFS_DELEG_PERM_ROLLBACK "rollback" 4393 #define ZFS_DELEG_PERM_CLONE "clone" 4394 #define ZFS_DELEG_PERM_PROMOTE "promote" 4395 #define ZFS_DELEG_PERM_RENAME "rename" 4396 #define ZFS_DELEG_PERM_MOUNT "mount" 4397 #define ZFS_DELEG_PERM_SHARE "share" 4398 #define ZFS_DELEG_PERM_SEND "send" 4399 #define ZFS_DELEG_PERM_RECEIVE "receive" 4400 #define ZFS_DELEG_PERM_ALLOW "allow" 4401 #define ZFS_DELEG_PERM_USERPROP "userprop" 4402 #define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */ 4403 #define ZFS_DELEG_PERM_USERQUOTA "userquota" 4404 #define ZFS_DELEG_PERM_GROUPQUOTA "groupquota" 4405 #define ZFS_DELEG_PERM_USERUSED "userused" 4406 #define ZFS_DELEG_PERM_GROUPUSED "groupused" 4407 #define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota" 4408 #define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota" 4409 #define ZFS_DELEG_PERM_USEROBJUSED "userobjused" 4410 #define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused" 4411 4412 #define ZFS_DELEG_PERM_HOLD "hold" 4413 #define ZFS_DELEG_PERM_RELEASE "release" 4414 #define ZFS_DELEG_PERM_DIFF "diff" 4415 #define ZFS_DELEG_PERM_BOOKMARK "bookmark" 4416 #define ZFS_DELEG_PERM_REMAP "remap" 4417 #define ZFS_DELEG_PERM_LOAD_KEY "load-key" 4418 #define ZFS_DELEG_PERM_CHANGE_KEY "change-key" 4419 4420 #define ZFS_DELEG_PERM_PROJECTUSED "projectused" 4421 #define ZFS_DELEG_PERM_PROJECTQUOTA "projectquota" 4422 #define ZFS_DELEG_PERM_PROJECTOBJUSED "projectobjused" 4423 #define ZFS_DELEG_PERM_PROJECTOBJQUOTA "projectobjquota" 4424 4425 #define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE 4426 4427 static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = { 4428 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW }, 4429 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE }, 4430 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE }, 4431 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY }, 4432 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF}, 4433 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD }, 4434 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT }, 4435 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE }, 4436 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE }, 4437 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE }, 4438 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME }, 4439 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK }, 4440 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND }, 4441 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE }, 4442 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT }, 4443 { ZFS_DELEG_PERM_BOOKMARK, ZFS_DELEG_NOTE_BOOKMARK }, 4444 { ZFS_DELEG_PERM_REMAP, ZFS_DELEG_NOTE_REMAP }, 4445 { ZFS_DELEG_PERM_LOAD_KEY, ZFS_DELEG_NOTE_LOAD_KEY }, 4446 { ZFS_DELEG_PERM_CHANGE_KEY, ZFS_DELEG_NOTE_CHANGE_KEY }, 4447 4448 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA }, 4449 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED }, 4450 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP }, 4451 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA }, 4452 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED }, 4453 { ZFS_DELEG_PERM_USEROBJQUOTA, ZFS_DELEG_NOTE_USEROBJQUOTA }, 4454 { ZFS_DELEG_PERM_USEROBJUSED, ZFS_DELEG_NOTE_USEROBJUSED }, 4455 { ZFS_DELEG_PERM_GROUPOBJQUOTA, ZFS_DELEG_NOTE_GROUPOBJQUOTA }, 4456 { ZFS_DELEG_PERM_GROUPOBJUSED, ZFS_DELEG_NOTE_GROUPOBJUSED }, 4457 { ZFS_DELEG_PERM_PROJECTUSED, ZFS_DELEG_NOTE_PROJECTUSED }, 4458 { ZFS_DELEG_PERM_PROJECTQUOTA, ZFS_DELEG_NOTE_PROJECTQUOTA }, 4459 { ZFS_DELEG_PERM_PROJECTOBJUSED, ZFS_DELEG_NOTE_PROJECTOBJUSED }, 4460 { ZFS_DELEG_PERM_PROJECTOBJQUOTA, ZFS_DELEG_NOTE_PROJECTOBJQUOTA }, 4461 { NULL, ZFS_DELEG_NOTE_NONE } 4462 }; 4463 4464 /* permission structure */ 4465 typedef struct deleg_perm { 4466 zfs_deleg_who_type_t dp_who_type; 4467 const char *dp_name; 4468 boolean_t dp_local; 4469 boolean_t dp_descend; 4470 } deleg_perm_t; 4471 4472 /* */ 4473 typedef struct deleg_perm_node { 4474 deleg_perm_t dpn_perm; 4475 4476 uu_avl_node_t dpn_avl_node; 4477 } deleg_perm_node_t; 4478 4479 typedef struct fs_perm fs_perm_t; 4480 4481 /* permissions set */ 4482 typedef struct who_perm { 4483 zfs_deleg_who_type_t who_type; 4484 const char *who_name; /* id */ 4485 char who_ug_name[256]; /* user/group name */ 4486 fs_perm_t *who_fsperm; /* uplink */ 4487 4488 uu_avl_t *who_deleg_perm_avl; /* permissions */ 4489 } who_perm_t; 4490 4491 /* */ 4492 typedef struct who_perm_node { 4493 who_perm_t who_perm; 4494 uu_avl_node_t who_avl_node; 4495 } who_perm_node_t; 4496 4497 typedef struct fs_perm_set fs_perm_set_t; 4498 /* fs permissions */ 4499 struct fs_perm { 4500 const char *fsp_name; 4501 4502 uu_avl_t *fsp_sc_avl; /* sets,create */ 4503 uu_avl_t *fsp_uge_avl; /* user,group,everyone */ 4504 4505 fs_perm_set_t *fsp_set; /* uplink */ 4506 }; 4507 4508 /* */ 4509 typedef struct fs_perm_node { 4510 fs_perm_t fspn_fsperm; 4511 uu_avl_t *fspn_avl; 4512 4513 uu_list_node_t fspn_list_node; 4514 } fs_perm_node_t; 4515 4516 /* top level structure */ 4517 struct fs_perm_set { 4518 uu_list_pool_t *fsps_list_pool; 4519 uu_list_t *fsps_list; /* list of fs_perms */ 4520 4521 uu_avl_pool_t *fsps_named_set_avl_pool; 4522 uu_avl_pool_t *fsps_who_perm_avl_pool; 4523 uu_avl_pool_t *fsps_deleg_perm_avl_pool; 4524 }; 4525 4526 static inline const char * 4527 deleg_perm_type(zfs_deleg_note_t note) 4528 { 4529 /* subcommands */ 4530 switch (note) { 4531 /* SUBCOMMANDS */ 4532 /* OTHER */ 4533 case ZFS_DELEG_NOTE_GROUPQUOTA: 4534 case ZFS_DELEG_NOTE_GROUPUSED: 4535 case ZFS_DELEG_NOTE_USERPROP: 4536 case ZFS_DELEG_NOTE_USERQUOTA: 4537 case ZFS_DELEG_NOTE_USERUSED: 4538 case ZFS_DELEG_NOTE_USEROBJQUOTA: 4539 case ZFS_DELEG_NOTE_USEROBJUSED: 4540 case ZFS_DELEG_NOTE_GROUPOBJQUOTA: 4541 case ZFS_DELEG_NOTE_GROUPOBJUSED: 4542 case ZFS_DELEG_NOTE_PROJECTUSED: 4543 case ZFS_DELEG_NOTE_PROJECTQUOTA: 4544 case ZFS_DELEG_NOTE_PROJECTOBJUSED: 4545 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA: 4546 /* other */ 4547 return (gettext("other")); 4548 default: 4549 return (gettext("subcommand")); 4550 } 4551 } 4552 4553 static int 4554 who_type2weight(zfs_deleg_who_type_t who_type) 4555 { 4556 int res; 4557 switch (who_type) { 4558 case ZFS_DELEG_NAMED_SET_SETS: 4559 case ZFS_DELEG_NAMED_SET: 4560 res = 0; 4561 break; 4562 case ZFS_DELEG_CREATE_SETS: 4563 case ZFS_DELEG_CREATE: 4564 res = 1; 4565 break; 4566 case ZFS_DELEG_USER_SETS: 4567 case ZFS_DELEG_USER: 4568 res = 2; 4569 break; 4570 case ZFS_DELEG_GROUP_SETS: 4571 case ZFS_DELEG_GROUP: 4572 res = 3; 4573 break; 4574 case ZFS_DELEG_EVERYONE_SETS: 4575 case ZFS_DELEG_EVERYONE: 4576 res = 4; 4577 break; 4578 default: 4579 res = -1; 4580 } 4581 4582 return (res); 4583 } 4584 4585 /* ARGSUSED */ 4586 static int 4587 who_perm_compare(const void *larg, const void *rarg, void *unused) 4588 { 4589 const who_perm_node_t *l = larg; 4590 const who_perm_node_t *r = rarg; 4591 zfs_deleg_who_type_t ltype = l->who_perm.who_type; 4592 zfs_deleg_who_type_t rtype = r->who_perm.who_type; 4593 int lweight = who_type2weight(ltype); 4594 int rweight = who_type2weight(rtype); 4595 int res = lweight - rweight; 4596 if (res == 0) 4597 res = strncmp(l->who_perm.who_name, r->who_perm.who_name, 4598 ZFS_MAX_DELEG_NAME-1); 4599 4600 if (res == 0) 4601 return (0); 4602 if (res > 0) 4603 return (1); 4604 else 4605 return (-1); 4606 } 4607 4608 /* ARGSUSED */ 4609 static int 4610 deleg_perm_compare(const void *larg, const void *rarg, void *unused) 4611 { 4612 const deleg_perm_node_t *l = larg; 4613 const deleg_perm_node_t *r = rarg; 4614 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name, 4615 ZFS_MAX_DELEG_NAME-1); 4616 4617 if (res == 0) 4618 return (0); 4619 4620 if (res > 0) 4621 return (1); 4622 else 4623 return (-1); 4624 } 4625 4626 static inline void 4627 fs_perm_set_init(fs_perm_set_t *fspset) 4628 { 4629 bzero(fspset, sizeof (fs_perm_set_t)); 4630 4631 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool", 4632 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node), 4633 NULL, UU_DEFAULT)) == NULL) 4634 nomem(); 4635 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL, 4636 UU_DEFAULT)) == NULL) 4637 nomem(); 4638 4639 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create( 4640 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof( 4641 who_perm_node_t, who_avl_node), who_perm_compare, 4642 UU_DEFAULT)) == NULL) 4643 nomem(); 4644 4645 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create( 4646 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof( 4647 who_perm_node_t, who_avl_node), who_perm_compare, 4648 UU_DEFAULT)) == NULL) 4649 nomem(); 4650 4651 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create( 4652 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof( 4653 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT)) 4654 == NULL) 4655 nomem(); 4656 } 4657 4658 static inline void fs_perm_fini(fs_perm_t *); 4659 static inline void who_perm_fini(who_perm_t *); 4660 4661 static inline void 4662 fs_perm_set_fini(fs_perm_set_t *fspset) 4663 { 4664 fs_perm_node_t *node = uu_list_first(fspset->fsps_list); 4665 4666 while (node != NULL) { 4667 fs_perm_node_t *next_node = 4668 uu_list_next(fspset->fsps_list, node); 4669 fs_perm_t *fsperm = &node->fspn_fsperm; 4670 fs_perm_fini(fsperm); 4671 uu_list_remove(fspset->fsps_list, node); 4672 free(node); 4673 node = next_node; 4674 } 4675 4676 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool); 4677 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool); 4678 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool); 4679 } 4680 4681 static inline void 4682 deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type, 4683 const char *name) 4684 { 4685 deleg_perm->dp_who_type = type; 4686 deleg_perm->dp_name = name; 4687 } 4688 4689 static inline void 4690 who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm, 4691 zfs_deleg_who_type_t type, const char *name) 4692 { 4693 uu_avl_pool_t *pool; 4694 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool; 4695 4696 bzero(who_perm, sizeof (who_perm_t)); 4697 4698 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL, 4699 UU_DEFAULT)) == NULL) 4700 nomem(); 4701 4702 who_perm->who_type = type; 4703 who_perm->who_name = name; 4704 who_perm->who_fsperm = fsperm; 4705 } 4706 4707 static inline void 4708 who_perm_fini(who_perm_t *who_perm) 4709 { 4710 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl); 4711 4712 while (node != NULL) { 4713 deleg_perm_node_t *next_node = 4714 uu_avl_next(who_perm->who_deleg_perm_avl, node); 4715 4716 uu_avl_remove(who_perm->who_deleg_perm_avl, node); 4717 free(node); 4718 node = next_node; 4719 } 4720 4721 uu_avl_destroy(who_perm->who_deleg_perm_avl); 4722 } 4723 4724 static inline void 4725 fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname) 4726 { 4727 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool; 4728 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool; 4729 4730 bzero(fsperm, sizeof (fs_perm_t)); 4731 4732 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT)) 4733 == NULL) 4734 nomem(); 4735 4736 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT)) 4737 == NULL) 4738 nomem(); 4739 4740 fsperm->fsp_set = fspset; 4741 fsperm->fsp_name = fsname; 4742 } 4743 4744 static inline void 4745 fs_perm_fini(fs_perm_t *fsperm) 4746 { 4747 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl); 4748 while (node != NULL) { 4749 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl, 4750 node); 4751 who_perm_t *who_perm = &node->who_perm; 4752 who_perm_fini(who_perm); 4753 uu_avl_remove(fsperm->fsp_sc_avl, node); 4754 free(node); 4755 node = next_node; 4756 } 4757 4758 node = uu_avl_first(fsperm->fsp_uge_avl); 4759 while (node != NULL) { 4760 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl, 4761 node); 4762 who_perm_t *who_perm = &node->who_perm; 4763 who_perm_fini(who_perm); 4764 uu_avl_remove(fsperm->fsp_uge_avl, node); 4765 free(node); 4766 node = next_node; 4767 } 4768 4769 uu_avl_destroy(fsperm->fsp_sc_avl); 4770 uu_avl_destroy(fsperm->fsp_uge_avl); 4771 } 4772 4773 static void 4774 set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node, 4775 zfs_deleg_who_type_t who_type, const char *name, char locality) 4776 { 4777 uu_avl_index_t idx = 0; 4778 4779 deleg_perm_node_t *found_node = NULL; 4780 deleg_perm_t *deleg_perm = &node->dpn_perm; 4781 4782 deleg_perm_init(deleg_perm, who_type, name); 4783 4784 if ((found_node = uu_avl_find(avl, node, NULL, &idx)) 4785 == NULL) 4786 uu_avl_insert(avl, node, idx); 4787 else { 4788 node = found_node; 4789 deleg_perm = &node->dpn_perm; 4790 } 4791 4792 4793 switch (locality) { 4794 case ZFS_DELEG_LOCAL: 4795 deleg_perm->dp_local = B_TRUE; 4796 break; 4797 case ZFS_DELEG_DESCENDENT: 4798 deleg_perm->dp_descend = B_TRUE; 4799 break; 4800 case ZFS_DELEG_NA: 4801 break; 4802 default: 4803 assert(B_FALSE); /* invalid locality */ 4804 } 4805 } 4806 4807 static inline int 4808 parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality) 4809 { 4810 nvpair_t *nvp = NULL; 4811 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set; 4812 uu_avl_t *avl = who_perm->who_deleg_perm_avl; 4813 zfs_deleg_who_type_t who_type = who_perm->who_type; 4814 4815 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 4816 const char *name = nvpair_name(nvp); 4817 data_type_t type = nvpair_type(nvp); 4818 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool; 4819 deleg_perm_node_t *node = 4820 safe_malloc(sizeof (deleg_perm_node_t)); 4821 4822 assert(type == DATA_TYPE_BOOLEAN); 4823 4824 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool); 4825 set_deleg_perm_node(avl, node, who_type, name, locality); 4826 } 4827 4828 return (0); 4829 } 4830 4831 static inline int 4832 parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl) 4833 { 4834 nvpair_t *nvp = NULL; 4835 fs_perm_set_t *fspset = fsperm->fsp_set; 4836 4837 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 4838 nvlist_t *nvl2 = NULL; 4839 const char *name = nvpair_name(nvp); 4840 uu_avl_t *avl = NULL; 4841 uu_avl_pool_t *avl_pool = NULL; 4842 zfs_deleg_who_type_t perm_type = name[0]; 4843 char perm_locality = name[1]; 4844 const char *perm_name = name + 3; 4845 boolean_t is_set = B_TRUE; 4846 who_perm_t *who_perm = NULL; 4847 4848 assert('$' == name[2]); 4849 4850 if (nvpair_value_nvlist(nvp, &nvl2) != 0) 4851 return (-1); 4852 4853 switch (perm_type) { 4854 case ZFS_DELEG_CREATE: 4855 case ZFS_DELEG_CREATE_SETS: 4856 case ZFS_DELEG_NAMED_SET: 4857 case ZFS_DELEG_NAMED_SET_SETS: 4858 avl_pool = fspset->fsps_named_set_avl_pool; 4859 avl = fsperm->fsp_sc_avl; 4860 break; 4861 case ZFS_DELEG_USER: 4862 case ZFS_DELEG_USER_SETS: 4863 case ZFS_DELEG_GROUP: 4864 case ZFS_DELEG_GROUP_SETS: 4865 case ZFS_DELEG_EVERYONE: 4866 case ZFS_DELEG_EVERYONE_SETS: 4867 avl_pool = fspset->fsps_who_perm_avl_pool; 4868 avl = fsperm->fsp_uge_avl; 4869 break; 4870 4871 default: 4872 assert(!"unhandled zfs_deleg_who_type_t"); 4873 } 4874 4875 if (is_set) { 4876 who_perm_node_t *found_node = NULL; 4877 who_perm_node_t *node = safe_malloc( 4878 sizeof (who_perm_node_t)); 4879 who_perm = &node->who_perm; 4880 uu_avl_index_t idx = 0; 4881 4882 uu_avl_node_init(node, &node->who_avl_node, avl_pool); 4883 who_perm_init(who_perm, fsperm, perm_type, perm_name); 4884 4885 if ((found_node = uu_avl_find(avl, node, NULL, &idx)) 4886 == NULL) { 4887 if (avl == fsperm->fsp_uge_avl) { 4888 uid_t rid = 0; 4889 struct passwd *p = NULL; 4890 struct group *g = NULL; 4891 const char *nice_name = NULL; 4892 4893 switch (perm_type) { 4894 case ZFS_DELEG_USER_SETS: 4895 case ZFS_DELEG_USER: 4896 rid = atoi(perm_name); 4897 p = getpwuid(rid); 4898 if (p) 4899 nice_name = p->pw_name; 4900 break; 4901 case ZFS_DELEG_GROUP_SETS: 4902 case ZFS_DELEG_GROUP: 4903 rid = atoi(perm_name); 4904 g = getgrgid(rid); 4905 if (g) 4906 nice_name = g->gr_name; 4907 break; 4908 4909 default: 4910 break; 4911 } 4912 4913 if (nice_name != NULL) 4914 (void) strlcpy( 4915 node->who_perm.who_ug_name, 4916 nice_name, 256); 4917 } 4918 4919 uu_avl_insert(avl, node, idx); 4920 } else { 4921 node = found_node; 4922 who_perm = &node->who_perm; 4923 } 4924 } 4925 4926 (void) parse_who_perm(who_perm, nvl2, perm_locality); 4927 } 4928 4929 return (0); 4930 } 4931 4932 static inline int 4933 parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl) 4934 { 4935 nvpair_t *nvp = NULL; 4936 uu_avl_index_t idx = 0; 4937 4938 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 4939 nvlist_t *nvl2 = NULL; 4940 const char *fsname = nvpair_name(nvp); 4941 data_type_t type = nvpair_type(nvp); 4942 fs_perm_t *fsperm = NULL; 4943 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t)); 4944 if (node == NULL) 4945 nomem(); 4946 4947 fsperm = &node->fspn_fsperm; 4948 4949 assert(DATA_TYPE_NVLIST == type); 4950 4951 uu_list_node_init(node, &node->fspn_list_node, 4952 fspset->fsps_list_pool); 4953 4954 idx = uu_list_numnodes(fspset->fsps_list); 4955 fs_perm_init(fsperm, fspset, fsname); 4956 4957 if (nvpair_value_nvlist(nvp, &nvl2) != 0) 4958 return (-1); 4959 4960 (void) parse_fs_perm(fsperm, nvl2); 4961 4962 uu_list_insert(fspset->fsps_list, node, idx); 4963 } 4964 4965 return (0); 4966 } 4967 4968 static inline const char * 4969 deleg_perm_comment(zfs_deleg_note_t note) 4970 { 4971 const char *str = ""; 4972 4973 /* subcommands */ 4974 switch (note) { 4975 /* SUBCOMMANDS */ 4976 case ZFS_DELEG_NOTE_ALLOW: 4977 str = gettext("Must also have the permission that is being" 4978 "\n\t\t\t\tallowed"); 4979 break; 4980 case ZFS_DELEG_NOTE_CLONE: 4981 str = gettext("Must also have the 'create' ability and 'mount'" 4982 "\n\t\t\t\tability in the origin file system"); 4983 break; 4984 case ZFS_DELEG_NOTE_CREATE: 4985 str = gettext("Must also have the 'mount' ability"); 4986 break; 4987 case ZFS_DELEG_NOTE_DESTROY: 4988 str = gettext("Must also have the 'mount' ability"); 4989 break; 4990 case ZFS_DELEG_NOTE_DIFF: 4991 str = gettext("Allows lookup of paths within a dataset;" 4992 "\n\t\t\t\tgiven an object number. Ordinary users need this" 4993 "\n\t\t\t\tin order to use zfs diff"); 4994 break; 4995 case ZFS_DELEG_NOTE_HOLD: 4996 str = gettext("Allows adding a user hold to a snapshot"); 4997 break; 4998 case ZFS_DELEG_NOTE_MOUNT: 4999 str = gettext("Allows mount/umount of ZFS datasets"); 5000 break; 5001 case ZFS_DELEG_NOTE_PROMOTE: 5002 str = gettext("Must also have the 'mount'\n\t\t\t\tand" 5003 " 'promote' ability in the origin file system"); 5004 break; 5005 case ZFS_DELEG_NOTE_RECEIVE: 5006 str = gettext("Must also have the 'mount' and 'create'" 5007 " ability"); 5008 break; 5009 case ZFS_DELEG_NOTE_RELEASE: 5010 str = gettext("Allows releasing a user hold which\n\t\t\t\t" 5011 "might destroy the snapshot"); 5012 break; 5013 case ZFS_DELEG_NOTE_RENAME: 5014 str = gettext("Must also have the 'mount' and 'create'" 5015 "\n\t\t\t\tability in the new parent"); 5016 break; 5017 case ZFS_DELEG_NOTE_ROLLBACK: 5018 str = gettext(""); 5019 break; 5020 case ZFS_DELEG_NOTE_SEND: 5021 str = gettext(""); 5022 break; 5023 case ZFS_DELEG_NOTE_SHARE: 5024 str = gettext("Allows sharing file systems over NFS or SMB" 5025 "\n\t\t\t\tprotocols"); 5026 break; 5027 case ZFS_DELEG_NOTE_SNAPSHOT: 5028 str = gettext(""); 5029 break; 5030 case ZFS_DELEG_NOTE_LOAD_KEY: 5031 str = gettext("Allows loading or unloading an encryption key"); 5032 break; 5033 case ZFS_DELEG_NOTE_CHANGE_KEY: 5034 str = gettext("Allows changing or adding an encryption key"); 5035 break; 5036 /* 5037 * case ZFS_DELEG_NOTE_VSCAN: 5038 * str = gettext(""); 5039 * break; 5040 */ 5041 /* OTHER */ 5042 case ZFS_DELEG_NOTE_GROUPQUOTA: 5043 str = gettext("Allows accessing any groupquota@... property"); 5044 break; 5045 case ZFS_DELEG_NOTE_GROUPUSED: 5046 str = gettext("Allows reading any groupused@... property"); 5047 break; 5048 case ZFS_DELEG_NOTE_USERPROP: 5049 str = gettext("Allows changing any user property"); 5050 break; 5051 case ZFS_DELEG_NOTE_USERQUOTA: 5052 str = gettext("Allows accessing any userquota@... property"); 5053 break; 5054 case ZFS_DELEG_NOTE_USERUSED: 5055 str = gettext("Allows reading any userused@... property"); 5056 break; 5057 case ZFS_DELEG_NOTE_USEROBJQUOTA: 5058 str = gettext("Allows accessing any userobjquota@... property"); 5059 break; 5060 case ZFS_DELEG_NOTE_GROUPOBJQUOTA: 5061 str = gettext("Allows accessing any \n\t\t\t\t" 5062 "groupobjquota@... property"); 5063 break; 5064 case ZFS_DELEG_NOTE_GROUPOBJUSED: 5065 str = gettext("Allows reading any groupobjused@... property"); 5066 break; 5067 case ZFS_DELEG_NOTE_USEROBJUSED: 5068 str = gettext("Allows reading any userobjused@... property"); 5069 break; 5070 case ZFS_DELEG_NOTE_PROJECTQUOTA: 5071 str = gettext("Allows accessing any projectquota@... property"); 5072 break; 5073 case ZFS_DELEG_NOTE_PROJECTOBJQUOTA: 5074 str = gettext("Allows accessing any \n\t\t\t\t" 5075 "projectobjquota@... property"); 5076 break; 5077 case ZFS_DELEG_NOTE_PROJECTUSED: 5078 str = gettext("Allows reading any projectused@... property"); 5079 break; 5080 case ZFS_DELEG_NOTE_PROJECTOBJUSED: 5081 str = gettext("Allows accessing any \n\t\t\t\t" 5082 "projectobjused@... property"); 5083 break; 5084 /* other */ 5085 default: 5086 str = ""; 5087 } 5088 5089 return (str); 5090 } 5091 5092 struct allow_opts { 5093 boolean_t local; 5094 boolean_t descend; 5095 boolean_t user; 5096 boolean_t group; 5097 boolean_t everyone; 5098 boolean_t create; 5099 boolean_t set; 5100 boolean_t recursive; /* unallow only */ 5101 boolean_t prt_usage; 5102 5103 boolean_t prt_perms; 5104 char *who; 5105 char *perms; 5106 const char *dataset; 5107 }; 5108 5109 static inline int 5110 prop_cmp(const void *a, const void *b) 5111 { 5112 const char *str1 = *(const char **)a; 5113 const char *str2 = *(const char **)b; 5114 return (strcmp(str1, str2)); 5115 } 5116 5117 static void 5118 allow_usage(boolean_t un, boolean_t requested, const char *msg) 5119 { 5120 const char *opt_desc[] = { 5121 "-h", gettext("show this help message and exit"), 5122 "-l", gettext("set permission locally"), 5123 "-d", gettext("set permission for descents"), 5124 "-u", gettext("set permission for user"), 5125 "-g", gettext("set permission for group"), 5126 "-e", gettext("set permission for everyone"), 5127 "-c", gettext("set create time permission"), 5128 "-s", gettext("define permission set"), 5129 /* unallow only */ 5130 "-r", gettext("remove permissions recursively"), 5131 }; 5132 size_t unallow_size = sizeof (opt_desc) / sizeof (char *); 5133 size_t allow_size = unallow_size - 2; 5134 const char *props[ZFS_NUM_PROPS]; 5135 int i; 5136 size_t count = 0; 5137 FILE *fp = requested ? stdout : stderr; 5138 zprop_desc_t *pdtbl = zfs_prop_get_table(); 5139 const char *fmt = gettext("%-16s %-14s\t%s\n"); 5140 5141 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW : 5142 HELP_ALLOW)); 5143 (void) fprintf(fp, gettext("Options:\n")); 5144 for (int i = 0; i < (un ? unallow_size : allow_size); i++) { 5145 const char *opt = opt_desc[i++]; 5146 const char *optdsc = opt_desc[i]; 5147 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc); 5148 } 5149 5150 (void) fprintf(fp, gettext("\nThe following permissions are " 5151 "supported:\n\n")); 5152 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"), 5153 gettext("NOTES")); 5154 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) { 5155 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm; 5156 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note; 5157 const char *perm_type = deleg_perm_type(perm_note); 5158 const char *perm_comment = deleg_perm_comment(perm_note); 5159 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment); 5160 } 5161 5162 for (i = 0; i < ZFS_NUM_PROPS; i++) { 5163 zprop_desc_t *pd = &pdtbl[i]; 5164 if (pd->pd_visible != B_TRUE) 5165 continue; 5166 5167 if (pd->pd_attr == PROP_READONLY) 5168 continue; 5169 5170 props[count++] = pd->pd_name; 5171 } 5172 props[count] = NULL; 5173 5174 qsort(props, count, sizeof (char *), prop_cmp); 5175 5176 for (i = 0; i < count; i++) 5177 (void) fprintf(fp, fmt, props[i], gettext("property"), ""); 5178 5179 if (msg != NULL) 5180 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg); 5181 5182 exit(requested ? 0 : 2); 5183 } 5184 5185 static inline const char * 5186 munge_args(int argc, char **argv, boolean_t un, size_t expected_argc, 5187 char **permsp) 5188 { 5189 if (un && argc == expected_argc - 1) 5190 *permsp = NULL; 5191 else if (argc == expected_argc) 5192 *permsp = argv[argc - 2]; 5193 else 5194 allow_usage(un, B_FALSE, 5195 gettext("wrong number of parameters\n")); 5196 5197 return (argv[argc - 1]); 5198 } 5199 5200 static void 5201 parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts) 5202 { 5203 int uge_sum = opts->user + opts->group + opts->everyone; 5204 int csuge_sum = opts->create + opts->set + uge_sum; 5205 int ldcsuge_sum = csuge_sum + opts->local + opts->descend; 5206 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum; 5207 5208 if (uge_sum > 1) 5209 allow_usage(un, B_FALSE, 5210 gettext("-u, -g, and -e are mutually exclusive\n")); 5211 5212 if (opts->prt_usage) { 5213 if (argc == 0 && all_sum == 0) 5214 allow_usage(un, B_TRUE, NULL); 5215 else 5216 usage(B_FALSE); 5217 } 5218 5219 if (opts->set) { 5220 if (csuge_sum > 1) 5221 allow_usage(un, B_FALSE, 5222 gettext("invalid options combined with -s\n")); 5223 5224 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); 5225 if (argv[0][0] != '@') 5226 allow_usage(un, B_FALSE, 5227 gettext("invalid set name: missing '@' prefix\n")); 5228 opts->who = argv[0]; 5229 } else if (opts->create) { 5230 if (ldcsuge_sum > 1) 5231 allow_usage(un, B_FALSE, 5232 gettext("invalid options combined with -c\n")); 5233 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 5234 } else if (opts->everyone) { 5235 if (csuge_sum > 1) 5236 allow_usage(un, B_FALSE, 5237 gettext("invalid options combined with -e\n")); 5238 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 5239 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone") 5240 == 0) { 5241 opts->everyone = B_TRUE; 5242 argc--; 5243 argv++; 5244 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms); 5245 } else if (argc == 1 && !un) { 5246 opts->prt_perms = B_TRUE; 5247 opts->dataset = argv[argc-1]; 5248 } else { 5249 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms); 5250 opts->who = argv[0]; 5251 } 5252 5253 if (!opts->local && !opts->descend) { 5254 opts->local = B_TRUE; 5255 opts->descend = B_TRUE; 5256 } 5257 } 5258 5259 static void 5260 store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend, 5261 const char *who, char *perms, nvlist_t *top_nvl) 5262 { 5263 int i; 5264 char ld[2] = { '\0', '\0' }; 5265 char who_buf[MAXNAMELEN + 32]; 5266 char base_type = '\0'; 5267 char set_type = '\0'; 5268 nvlist_t *base_nvl = NULL; 5269 nvlist_t *set_nvl = NULL; 5270 nvlist_t *nvl; 5271 5272 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0) 5273 nomem(); 5274 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0) 5275 nomem(); 5276 5277 switch (type) { 5278 case ZFS_DELEG_NAMED_SET_SETS: 5279 case ZFS_DELEG_NAMED_SET: 5280 set_type = ZFS_DELEG_NAMED_SET_SETS; 5281 base_type = ZFS_DELEG_NAMED_SET; 5282 ld[0] = ZFS_DELEG_NA; 5283 break; 5284 case ZFS_DELEG_CREATE_SETS: 5285 case ZFS_DELEG_CREATE: 5286 set_type = ZFS_DELEG_CREATE_SETS; 5287 base_type = ZFS_DELEG_CREATE; 5288 ld[0] = ZFS_DELEG_NA; 5289 break; 5290 case ZFS_DELEG_USER_SETS: 5291 case ZFS_DELEG_USER: 5292 set_type = ZFS_DELEG_USER_SETS; 5293 base_type = ZFS_DELEG_USER; 5294 if (local) 5295 ld[0] = ZFS_DELEG_LOCAL; 5296 if (descend) 5297 ld[1] = ZFS_DELEG_DESCENDENT; 5298 break; 5299 case ZFS_DELEG_GROUP_SETS: 5300 case ZFS_DELEG_GROUP: 5301 set_type = ZFS_DELEG_GROUP_SETS; 5302 base_type = ZFS_DELEG_GROUP; 5303 if (local) 5304 ld[0] = ZFS_DELEG_LOCAL; 5305 if (descend) 5306 ld[1] = ZFS_DELEG_DESCENDENT; 5307 break; 5308 case ZFS_DELEG_EVERYONE_SETS: 5309 case ZFS_DELEG_EVERYONE: 5310 set_type = ZFS_DELEG_EVERYONE_SETS; 5311 base_type = ZFS_DELEG_EVERYONE; 5312 if (local) 5313 ld[0] = ZFS_DELEG_LOCAL; 5314 if (descend) 5315 ld[1] = ZFS_DELEG_DESCENDENT; 5316 break; 5317 5318 default: 5319 assert(set_type != '\0' && base_type != '\0'); 5320 } 5321 5322 if (perms != NULL) { 5323 char *curr = perms; 5324 char *end = curr + strlen(perms); 5325 5326 while (curr < end) { 5327 char *delim = strchr(curr, ','); 5328 if (delim == NULL) 5329 delim = end; 5330 else 5331 *delim = '\0'; 5332 5333 if (curr[0] == '@') 5334 nvl = set_nvl; 5335 else 5336 nvl = base_nvl; 5337 5338 (void) nvlist_add_boolean(nvl, curr); 5339 if (delim != end) 5340 *delim = ','; 5341 curr = delim + 1; 5342 } 5343 5344 for (i = 0; i < 2; i++) { 5345 char locality = ld[i]; 5346 if (locality == 0) 5347 continue; 5348 5349 if (!nvlist_empty(base_nvl)) { 5350 if (who != NULL) 5351 (void) snprintf(who_buf, 5352 sizeof (who_buf), "%c%c$%s", 5353 base_type, locality, who); 5354 else 5355 (void) snprintf(who_buf, 5356 sizeof (who_buf), "%c%c$", 5357 base_type, locality); 5358 5359 (void) nvlist_add_nvlist(top_nvl, who_buf, 5360 base_nvl); 5361 } 5362 5363 5364 if (!nvlist_empty(set_nvl)) { 5365 if (who != NULL) 5366 (void) snprintf(who_buf, 5367 sizeof (who_buf), "%c%c$%s", 5368 set_type, locality, who); 5369 else 5370 (void) snprintf(who_buf, 5371 sizeof (who_buf), "%c%c$", 5372 set_type, locality); 5373 5374 (void) nvlist_add_nvlist(top_nvl, who_buf, 5375 set_nvl); 5376 } 5377 } 5378 } else { 5379 for (i = 0; i < 2; i++) { 5380 char locality = ld[i]; 5381 if (locality == 0) 5382 continue; 5383 5384 if (who != NULL) 5385 (void) snprintf(who_buf, sizeof (who_buf), 5386 "%c%c$%s", base_type, locality, who); 5387 else 5388 (void) snprintf(who_buf, sizeof (who_buf), 5389 "%c%c$", base_type, locality); 5390 (void) nvlist_add_boolean(top_nvl, who_buf); 5391 5392 if (who != NULL) 5393 (void) snprintf(who_buf, sizeof (who_buf), 5394 "%c%c$%s", set_type, locality, who); 5395 else 5396 (void) snprintf(who_buf, sizeof (who_buf), 5397 "%c%c$", set_type, locality); 5398 (void) nvlist_add_boolean(top_nvl, who_buf); 5399 } 5400 } 5401 } 5402 5403 static int 5404 construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp) 5405 { 5406 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0) 5407 nomem(); 5408 5409 if (opts->set) { 5410 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local, 5411 opts->descend, opts->who, opts->perms, *nvlp); 5412 } else if (opts->create) { 5413 store_allow_perm(ZFS_DELEG_CREATE, opts->local, 5414 opts->descend, NULL, opts->perms, *nvlp); 5415 } else if (opts->everyone) { 5416 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local, 5417 opts->descend, NULL, opts->perms, *nvlp); 5418 } else { 5419 char *curr = opts->who; 5420 char *end = curr + strlen(curr); 5421 5422 while (curr < end) { 5423 const char *who; 5424 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN; 5425 char *endch; 5426 char *delim = strchr(curr, ','); 5427 char errbuf[256]; 5428 char id[64]; 5429 struct passwd *p = NULL; 5430 struct group *g = NULL; 5431 5432 uid_t rid; 5433 if (delim == NULL) 5434 delim = end; 5435 else 5436 *delim = '\0'; 5437 5438 rid = (uid_t)strtol(curr, &endch, 0); 5439 if (opts->user) { 5440 who_type = ZFS_DELEG_USER; 5441 if (*endch != '\0') 5442 p = getpwnam(curr); 5443 else 5444 p = getpwuid(rid); 5445 5446 if (p != NULL) 5447 rid = p->pw_uid; 5448 else { 5449 (void) snprintf(errbuf, 256, gettext( 5450 "invalid user %s"), curr); 5451 allow_usage(un, B_TRUE, errbuf); 5452 } 5453 } else if (opts->group) { 5454 who_type = ZFS_DELEG_GROUP; 5455 if (*endch != '\0') 5456 g = getgrnam(curr); 5457 else 5458 g = getgrgid(rid); 5459 5460 if (g != NULL) 5461 rid = g->gr_gid; 5462 else { 5463 (void) snprintf(errbuf, 256, gettext( 5464 "invalid group %s"), curr); 5465 allow_usage(un, B_TRUE, errbuf); 5466 } 5467 } else { 5468 if (*endch != '\0') { 5469 p = getpwnam(curr); 5470 } else { 5471 p = getpwuid(rid); 5472 } 5473 5474 if (p == NULL) { 5475 if (*endch != '\0') { 5476 g = getgrnam(curr); 5477 } else { 5478 g = getgrgid(rid); 5479 } 5480 } 5481 5482 if (p != NULL) { 5483 who_type = ZFS_DELEG_USER; 5484 rid = p->pw_uid; 5485 } else if (g != NULL) { 5486 who_type = ZFS_DELEG_GROUP; 5487 rid = g->gr_gid; 5488 } else { 5489 (void) snprintf(errbuf, 256, gettext( 5490 "invalid user/group %s"), curr); 5491 allow_usage(un, B_TRUE, errbuf); 5492 } 5493 } 5494 5495 (void) sprintf(id, "%u", rid); 5496 who = id; 5497 5498 store_allow_perm(who_type, opts->local, 5499 opts->descend, who, opts->perms, *nvlp); 5500 curr = delim + 1; 5501 } 5502 } 5503 5504 return (0); 5505 } 5506 5507 static void 5508 print_set_creat_perms(uu_avl_t *who_avl) 5509 { 5510 const char *sc_title[] = { 5511 gettext("Permission sets:\n"), 5512 gettext("Create time permissions:\n"), 5513 NULL 5514 }; 5515 who_perm_node_t *who_node = NULL; 5516 int prev_weight = -1; 5517 5518 for (who_node = uu_avl_first(who_avl); who_node != NULL; 5519 who_node = uu_avl_next(who_avl, who_node)) { 5520 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; 5521 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; 5522 const char *who_name = who_node->who_perm.who_name; 5523 int weight = who_type2weight(who_type); 5524 boolean_t first = B_TRUE; 5525 deleg_perm_node_t *deleg_node; 5526 5527 if (prev_weight != weight) { 5528 VERIFY3S(weight, >=, 0); 5529 VERIFY3S(weight, <=, 1); 5530 (void) printf(sc_title[weight]); 5531 prev_weight = weight; 5532 } 5533 5534 if (who_name == NULL || strnlen(who_name, 1) == 0) 5535 (void) printf("\t"); 5536 else 5537 (void) printf("\t%s ", who_name); 5538 5539 for (deleg_node = uu_avl_first(avl); deleg_node != NULL; 5540 deleg_node = uu_avl_next(avl, deleg_node)) { 5541 if (first) { 5542 (void) printf("%s", 5543 deleg_node->dpn_perm.dp_name); 5544 first = B_FALSE; 5545 } else 5546 (void) printf(",%s", 5547 deleg_node->dpn_perm.dp_name); 5548 } 5549 5550 (void) printf("\n"); 5551 } 5552 } 5553 5554 static void 5555 print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend, 5556 const char *title) 5557 { 5558 who_perm_node_t *who_node = NULL; 5559 boolean_t prt_title = B_TRUE; 5560 uu_avl_walk_t *walk; 5561 5562 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL) 5563 nomem(); 5564 5565 while ((who_node = uu_avl_walk_next(walk)) != NULL) { 5566 const char *who_name = who_node->who_perm.who_name; 5567 const char *nice_who_name = who_node->who_perm.who_ug_name; 5568 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl; 5569 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type; 5570 char delim = ' '; 5571 deleg_perm_node_t *deleg_node; 5572 boolean_t prt_who = B_TRUE; 5573 5574 for (deleg_node = uu_avl_first(avl); 5575 deleg_node != NULL; 5576 deleg_node = uu_avl_next(avl, deleg_node)) { 5577 if (local != deleg_node->dpn_perm.dp_local || 5578 descend != deleg_node->dpn_perm.dp_descend) 5579 continue; 5580 5581 if (prt_who) { 5582 const char *who = NULL; 5583 if (prt_title) { 5584 prt_title = B_FALSE; 5585 (void) printf(title); 5586 } 5587 5588 switch (who_type) { 5589 case ZFS_DELEG_USER_SETS: 5590 case ZFS_DELEG_USER: 5591 who = gettext("user"); 5592 if (nice_who_name) 5593 who_name = nice_who_name; 5594 break; 5595 case ZFS_DELEG_GROUP_SETS: 5596 case ZFS_DELEG_GROUP: 5597 who = gettext("group"); 5598 if (nice_who_name) 5599 who_name = nice_who_name; 5600 break; 5601 case ZFS_DELEG_EVERYONE_SETS: 5602 case ZFS_DELEG_EVERYONE: 5603 who = gettext("everyone"); 5604 who_name = NULL; 5605 break; 5606 5607 default: 5608 assert(who != NULL); 5609 } 5610 5611 prt_who = B_FALSE; 5612 if (who_name == NULL) 5613 (void) printf("\t%s", who); 5614 else 5615 (void) printf("\t%s %s", who, who_name); 5616 } 5617 5618 (void) printf("%c%s", delim, 5619 deleg_node->dpn_perm.dp_name); 5620 delim = ','; 5621 } 5622 5623 if (!prt_who) 5624 (void) printf("\n"); 5625 } 5626 5627 uu_avl_walk_end(walk); 5628 } 5629 5630 static void 5631 print_fs_perms(fs_perm_set_t *fspset) 5632 { 5633 fs_perm_node_t *node = NULL; 5634 char buf[MAXNAMELEN + 32]; 5635 const char *dsname = buf; 5636 5637 for (node = uu_list_first(fspset->fsps_list); node != NULL; 5638 node = uu_list_next(fspset->fsps_list, node)) { 5639 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl; 5640 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl; 5641 int left = 0; 5642 5643 (void) snprintf(buf, sizeof (buf), 5644 gettext("---- Permissions on %s "), 5645 node->fspn_fsperm.fsp_name); 5646 (void) printf(dsname); 5647 left = 70 - strlen(buf); 5648 while (left-- > 0) 5649 (void) printf("-"); 5650 (void) printf("\n"); 5651 5652 print_set_creat_perms(sc_avl); 5653 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE, 5654 gettext("Local permissions:\n")); 5655 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE, 5656 gettext("Descendent permissions:\n")); 5657 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE, 5658 gettext("Local+Descendent permissions:\n")); 5659 } 5660 } 5661 5662 static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL }; 5663 5664 struct deleg_perms { 5665 boolean_t un; 5666 nvlist_t *nvl; 5667 }; 5668 5669 static int 5670 set_deleg_perms(zfs_handle_t *zhp, void *data) 5671 { 5672 struct deleg_perms *perms = (struct deleg_perms *)data; 5673 zfs_type_t zfs_type = zfs_get_type(zhp); 5674 5675 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME) 5676 return (0); 5677 5678 return (zfs_set_fsacl(zhp, perms->un, perms->nvl)); 5679 } 5680 5681 static int 5682 zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un) 5683 { 5684 zfs_handle_t *zhp; 5685 nvlist_t *perm_nvl = NULL; 5686 nvlist_t *update_perm_nvl = NULL; 5687 int error = 1; 5688 int c; 5689 struct allow_opts opts = { 0 }; 5690 5691 const char *optstr = un ? "ldugecsrh" : "ldugecsh"; 5692 5693 /* check opts */ 5694 while ((c = getopt(argc, argv, optstr)) != -1) { 5695 switch (c) { 5696 case 'l': 5697 opts.local = B_TRUE; 5698 break; 5699 case 'd': 5700 opts.descend = B_TRUE; 5701 break; 5702 case 'u': 5703 opts.user = B_TRUE; 5704 break; 5705 case 'g': 5706 opts.group = B_TRUE; 5707 break; 5708 case 'e': 5709 opts.everyone = B_TRUE; 5710 break; 5711 case 's': 5712 opts.set = B_TRUE; 5713 break; 5714 case 'c': 5715 opts.create = B_TRUE; 5716 break; 5717 case 'r': 5718 opts.recursive = B_TRUE; 5719 break; 5720 case ':': 5721 (void) fprintf(stderr, gettext("missing argument for " 5722 "'%c' option\n"), optopt); 5723 usage(B_FALSE); 5724 break; 5725 case 'h': 5726 opts.prt_usage = B_TRUE; 5727 break; 5728 case '?': 5729 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5730 optopt); 5731 usage(B_FALSE); 5732 } 5733 } 5734 5735 argc -= optind; 5736 argv += optind; 5737 5738 /* check arguments */ 5739 parse_allow_args(argc, argv, un, &opts); 5740 5741 /* try to open the dataset */ 5742 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM | 5743 ZFS_TYPE_VOLUME)) == NULL) { 5744 (void) fprintf(stderr, "Failed to open dataset: %s\n", 5745 opts.dataset); 5746 return (-1); 5747 } 5748 5749 if (zfs_get_fsacl(zhp, &perm_nvl) != 0) 5750 goto cleanup2; 5751 5752 fs_perm_set_init(&fs_perm_set); 5753 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) { 5754 (void) fprintf(stderr, "Failed to parse fsacl permissions\n"); 5755 goto cleanup1; 5756 } 5757 5758 if (opts.prt_perms) 5759 print_fs_perms(&fs_perm_set); 5760 else { 5761 (void) construct_fsacl_list(un, &opts, &update_perm_nvl); 5762 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0) 5763 goto cleanup0; 5764 5765 if (un && opts.recursive) { 5766 struct deleg_perms data = { un, update_perm_nvl }; 5767 if (zfs_iter_filesystems(zhp, set_deleg_perms, 5768 &data) != 0) 5769 goto cleanup0; 5770 } 5771 } 5772 5773 error = 0; 5774 5775 cleanup0: 5776 nvlist_free(perm_nvl); 5777 nvlist_free(update_perm_nvl); 5778 cleanup1: 5779 fs_perm_set_fini(&fs_perm_set); 5780 cleanup2: 5781 zfs_close(zhp); 5782 5783 return (error); 5784 } 5785 5786 static int 5787 zfs_do_allow(int argc, char **argv) 5788 { 5789 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE)); 5790 } 5791 5792 static int 5793 zfs_do_unallow(int argc, char **argv) 5794 { 5795 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE)); 5796 } 5797 5798 static int 5799 zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding) 5800 { 5801 int errors = 0; 5802 int i; 5803 const char *tag; 5804 boolean_t recursive = B_FALSE; 5805 const char *opts = holding ? "rt" : "r"; 5806 int c; 5807 5808 /* check options */ 5809 while ((c = getopt(argc, argv, opts)) != -1) { 5810 switch (c) { 5811 case 'r': 5812 recursive = B_TRUE; 5813 break; 5814 case '?': 5815 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 5816 optopt); 5817 usage(B_FALSE); 5818 } 5819 } 5820 5821 argc -= optind; 5822 argv += optind; 5823 5824 /* check number of arguments */ 5825 if (argc < 2) 5826 usage(B_FALSE); 5827 5828 tag = argv[0]; 5829 --argc; 5830 ++argv; 5831 5832 if (holding && tag[0] == '.') { 5833 /* tags starting with '.' are reserved for libzfs */ 5834 (void) fprintf(stderr, gettext("tag may not start with '.'\n")); 5835 usage(B_FALSE); 5836 } 5837 5838 for (i = 0; i < argc; ++i) { 5839 zfs_handle_t *zhp; 5840 char parent[ZFS_MAX_DATASET_NAME_LEN]; 5841 const char *delim; 5842 char *path = argv[i]; 5843 5844 delim = strchr(path, '@'); 5845 if (delim == NULL) { 5846 (void) fprintf(stderr, 5847 gettext("'%s' is not a snapshot\n"), path); 5848 ++errors; 5849 continue; 5850 } 5851 (void) strncpy(parent, path, delim - path); 5852 parent[delim - path] = '\0'; 5853 5854 zhp = zfs_open(g_zfs, parent, 5855 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 5856 if (zhp == NULL) { 5857 ++errors; 5858 continue; 5859 } 5860 if (holding) { 5861 if (zfs_hold(zhp, delim+1, tag, recursive, -1) != 0) 5862 ++errors; 5863 } else { 5864 if (zfs_release(zhp, delim+1, tag, recursive) != 0) 5865 ++errors; 5866 } 5867 zfs_close(zhp); 5868 } 5869 5870 return (errors != 0); 5871 } 5872 5873 /* 5874 * zfs hold [-r] [-t] <tag> <snap> ... 5875 * 5876 * -r Recursively hold 5877 * 5878 * Apply a user-hold with the given tag to the list of snapshots. 5879 */ 5880 static int 5881 zfs_do_hold(int argc, char **argv) 5882 { 5883 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE)); 5884 } 5885 5886 /* 5887 * zfs release [-r] <tag> <snap> ... 5888 * 5889 * -r Recursively release 5890 * 5891 * Release a user-hold with the given tag from the list of snapshots. 5892 */ 5893 static int 5894 zfs_do_release(int argc, char **argv) 5895 { 5896 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE)); 5897 } 5898 5899 typedef struct holds_cbdata { 5900 boolean_t cb_recursive; 5901 const char *cb_snapname; 5902 nvlist_t **cb_nvlp; 5903 size_t cb_max_namelen; 5904 size_t cb_max_taglen; 5905 } holds_cbdata_t; 5906 5907 #define STRFTIME_FMT_STR "%a %b %e %k:%M %Y" 5908 #define DATETIME_BUF_LEN (32) 5909 /* 5910 * 5911 */ 5912 static void 5913 print_holds(boolean_t scripted, size_t nwidth, size_t tagwidth, nvlist_t *nvl) 5914 { 5915 int i; 5916 nvpair_t *nvp = NULL; 5917 char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" }; 5918 const char *col; 5919 5920 if (!scripted) { 5921 for (i = 0; i < 3; i++) { 5922 col = gettext(hdr_cols[i]); 5923 if (i < 2) 5924 (void) printf("%-*s ", i ? tagwidth : nwidth, 5925 col); 5926 else 5927 (void) printf("%s\n", col); 5928 } 5929 } 5930 5931 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 5932 char *zname = nvpair_name(nvp); 5933 nvlist_t *nvl2; 5934 nvpair_t *nvp2 = NULL; 5935 (void) nvpair_value_nvlist(nvp, &nvl2); 5936 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) { 5937 char tsbuf[DATETIME_BUF_LEN]; 5938 char *tagname = nvpair_name(nvp2); 5939 uint64_t val = 0; 5940 time_t time; 5941 struct tm t; 5942 5943 (void) nvpair_value_uint64(nvp2, &val); 5944 time = (time_t)val; 5945 (void) localtime_r(&time, &t); 5946 (void) strftime(tsbuf, DATETIME_BUF_LEN, 5947 gettext(STRFTIME_FMT_STR), &t); 5948 5949 if (scripted) { 5950 (void) printf("%s\t%s\t%s\n", zname, 5951 tagname, tsbuf); 5952 } else { 5953 (void) printf("%-*s %-*s %s\n", nwidth, 5954 zname, tagwidth, tagname, tsbuf); 5955 } 5956 } 5957 } 5958 } 5959 5960 /* 5961 * Generic callback function to list a dataset or snapshot. 5962 */ 5963 static int 5964 holds_callback(zfs_handle_t *zhp, void *data) 5965 { 5966 holds_cbdata_t *cbp = data; 5967 nvlist_t *top_nvl = *cbp->cb_nvlp; 5968 nvlist_t *nvl = NULL; 5969 nvpair_t *nvp = NULL; 5970 const char *zname = zfs_get_name(zhp); 5971 size_t znamelen = strlen(zname); 5972 5973 if (cbp->cb_recursive) { 5974 const char *snapname; 5975 char *delim = strchr(zname, '@'); 5976 if (delim == NULL) 5977 return (0); 5978 5979 snapname = delim + 1; 5980 if (strcmp(cbp->cb_snapname, snapname)) 5981 return (0); 5982 } 5983 5984 if (zfs_get_holds(zhp, &nvl) != 0) 5985 return (-1); 5986 5987 if (znamelen > cbp->cb_max_namelen) 5988 cbp->cb_max_namelen = znamelen; 5989 5990 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) { 5991 const char *tag = nvpair_name(nvp); 5992 size_t taglen = strlen(tag); 5993 if (taglen > cbp->cb_max_taglen) 5994 cbp->cb_max_taglen = taglen; 5995 } 5996 5997 return (nvlist_add_nvlist(top_nvl, zname, nvl)); 5998 } 5999 6000 /* 6001 * zfs holds [-r] <snap> ... 6002 * 6003 * -r Recursively hold 6004 */ 6005 static int 6006 zfs_do_holds(int argc, char **argv) 6007 { 6008 int errors = 0; 6009 int c; 6010 int i; 6011 boolean_t scripted = B_FALSE; 6012 boolean_t recursive = B_FALSE; 6013 const char *opts = "rH"; 6014 nvlist_t *nvl; 6015 6016 int types = ZFS_TYPE_SNAPSHOT; 6017 holds_cbdata_t cb = { 0 }; 6018 6019 int limit = 0; 6020 int ret = 0; 6021 int flags = 0; 6022 6023 /* check options */ 6024 while ((c = getopt(argc, argv, opts)) != -1) { 6025 switch (c) { 6026 case 'r': 6027 recursive = B_TRUE; 6028 break; 6029 case 'H': 6030 scripted = B_TRUE; 6031 break; 6032 case '?': 6033 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6034 optopt); 6035 usage(B_FALSE); 6036 } 6037 } 6038 6039 if (recursive) { 6040 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME; 6041 flags |= ZFS_ITER_RECURSE; 6042 } 6043 6044 argc -= optind; 6045 argv += optind; 6046 6047 /* check number of arguments */ 6048 if (argc < 1) 6049 usage(B_FALSE); 6050 6051 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0) 6052 nomem(); 6053 6054 for (i = 0; i < argc; ++i) { 6055 char *snapshot = argv[i]; 6056 const char *delim; 6057 const char *snapname; 6058 6059 delim = strchr(snapshot, '@'); 6060 if (delim == NULL) { 6061 (void) fprintf(stderr, 6062 gettext("'%s' is not a snapshot\n"), snapshot); 6063 ++errors; 6064 continue; 6065 } 6066 snapname = delim + 1; 6067 if (recursive) 6068 snapshot[delim - snapshot] = '\0'; 6069 6070 cb.cb_recursive = recursive; 6071 cb.cb_snapname = snapname; 6072 cb.cb_nvlp = &nvl; 6073 6074 /* 6075 * 1. collect holds data, set format options 6076 */ 6077 ret = zfs_for_each(1, &argv[i], flags, types, NULL, NULL, limit, 6078 holds_callback, &cb); 6079 if (ret != 0) 6080 ++errors; 6081 } 6082 6083 /* 6084 * 2. print holds data 6085 */ 6086 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl); 6087 6088 nvlist_free(nvl); 6089 6090 return (0 != errors); 6091 } 6092 6093 #define CHECK_SPINNER 30 6094 #define SPINNER_TIME 3 /* seconds */ 6095 #define MOUNT_TIME 1 /* seconds */ 6096 6097 typedef struct get_all_state { 6098 boolean_t ga_verbose; 6099 get_all_cb_t *ga_cbp; 6100 } get_all_state_t; 6101 6102 static int 6103 get_one_dataset(zfs_handle_t *zhp, void *data) 6104 { 6105 static char *spin[] = { "-", "\\", "|", "/" }; 6106 static int spinval = 0; 6107 static int spincheck = 0; 6108 static time_t last_spin_time = (time_t)0; 6109 get_all_state_t *state = data; 6110 zfs_type_t type = zfs_get_type(zhp); 6111 6112 if (state->ga_verbose) { 6113 if (--spincheck < 0) { 6114 time_t now = time(NULL); 6115 if (last_spin_time + SPINNER_TIME < now) { 6116 update_progress(spin[spinval++ % 4]); 6117 last_spin_time = now; 6118 } 6119 spincheck = CHECK_SPINNER; 6120 } 6121 } 6122 6123 /* 6124 * Interate over any nested datasets. 6125 */ 6126 if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) { 6127 zfs_close(zhp); 6128 return (1); 6129 } 6130 6131 /* 6132 * Skip any datasets whose type does not match. 6133 */ 6134 if ((type & ZFS_TYPE_FILESYSTEM) == 0) { 6135 zfs_close(zhp); 6136 return (0); 6137 } 6138 libzfs_add_handle(state->ga_cbp, zhp); 6139 assert(state->ga_cbp->cb_used <= state->ga_cbp->cb_alloc); 6140 6141 return (0); 6142 } 6143 6144 static void 6145 get_all_datasets(get_all_cb_t *cbp, boolean_t verbose) 6146 { 6147 get_all_state_t state = { 6148 .ga_verbose = verbose, 6149 .ga_cbp = cbp 6150 }; 6151 6152 if (verbose) 6153 set_progress_header(gettext("Reading ZFS config")); 6154 (void) zfs_iter_root(g_zfs, get_one_dataset, &state); 6155 6156 if (verbose) 6157 finish_progress(gettext("done.")); 6158 } 6159 6160 /* 6161 * Generic callback for sharing or mounting filesystems. Because the code is so 6162 * similar, we have a common function with an extra parameter to determine which 6163 * mode we are using. 6164 */ 6165 typedef enum { OP_SHARE, OP_MOUNT } share_mount_op_t; 6166 6167 typedef struct share_mount_state { 6168 share_mount_op_t sm_op; 6169 boolean_t sm_verbose; 6170 int sm_flags; 6171 char *sm_options; 6172 char *sm_proto; /* only valid for OP_SHARE */ 6173 mutex_t sm_lock; /* protects the remaining fields */ 6174 uint_t sm_total; /* number of filesystems to process */ 6175 uint_t sm_done; /* number of filesystems processed */ 6176 int sm_status; /* -1 if any of the share/mount operations failed */ 6177 } share_mount_state_t; 6178 6179 /* 6180 * Share or mount a dataset. 6181 */ 6182 static int 6183 share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol, 6184 boolean_t explicit, const char *options) 6185 { 6186 char mountpoint[ZFS_MAXPROPLEN]; 6187 char shareopts[ZFS_MAXPROPLEN]; 6188 char smbshareopts[ZFS_MAXPROPLEN]; 6189 const char *cmdname = op == OP_SHARE ? "share" : "mount"; 6190 struct mnttab mnt; 6191 uint64_t zoned, canmount; 6192 boolean_t shared_nfs, shared_smb; 6193 6194 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM); 6195 6196 /* 6197 * Check to make sure we can mount/share this dataset. If we 6198 * are in the global zone and the filesystem is exported to a 6199 * local zone, or if we are in a local zone and the 6200 * filesystem is not exported, then it is an error. 6201 */ 6202 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED); 6203 6204 if (zoned && getzoneid() == GLOBAL_ZONEID) { 6205 if (!explicit) 6206 return (0); 6207 6208 (void) fprintf(stderr, gettext("cannot %s '%s': " 6209 "dataset is exported to a local zone\n"), cmdname, 6210 zfs_get_name(zhp)); 6211 return (1); 6212 6213 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) { 6214 if (!explicit) 6215 return (0); 6216 6217 (void) fprintf(stderr, gettext("cannot %s '%s': " 6218 "permission denied\n"), cmdname, 6219 zfs_get_name(zhp)); 6220 return (1); 6221 } 6222 6223 /* 6224 * Ignore any filesystems which don't apply to us. This 6225 * includes those with a legacy mountpoint, or those with 6226 * legacy share options. 6227 */ 6228 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, 6229 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0); 6230 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts, 6231 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0); 6232 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts, 6233 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0); 6234 6235 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 && 6236 strcmp(smbshareopts, "off") == 0) { 6237 if (!explicit) 6238 return (0); 6239 6240 (void) fprintf(stderr, gettext("cannot share '%s': " 6241 "legacy share\n"), zfs_get_name(zhp)); 6242 (void) fprintf(stderr, gettext("use share(8) to " 6243 "share this filesystem, or set " 6244 "sharenfs property on\n")); 6245 return (1); 6246 } 6247 6248 /* 6249 * We cannot share or mount legacy filesystems. If the 6250 * shareopts is non-legacy but the mountpoint is legacy, we 6251 * treat it as a legacy share. 6252 */ 6253 if (strcmp(mountpoint, "legacy") == 0) { 6254 if (!explicit) 6255 return (0); 6256 6257 (void) fprintf(stderr, gettext("cannot %s '%s': " 6258 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp)); 6259 (void) fprintf(stderr, gettext("use %s(8) to " 6260 "%s this filesystem\n"), cmdname, cmdname); 6261 return (1); 6262 } 6263 6264 if (strcmp(mountpoint, "none") == 0) { 6265 if (!explicit) 6266 return (0); 6267 6268 (void) fprintf(stderr, gettext("cannot %s '%s': no " 6269 "mountpoint set\n"), cmdname, zfs_get_name(zhp)); 6270 return (1); 6271 } 6272 6273 /* 6274 * canmount explicit outcome 6275 * on no pass through 6276 * on yes pass through 6277 * off no return 0 6278 * off yes display error, return 1 6279 * noauto no return 0 6280 * noauto yes pass through 6281 */ 6282 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT); 6283 if (canmount == ZFS_CANMOUNT_OFF) { 6284 if (!explicit) 6285 return (0); 6286 6287 (void) fprintf(stderr, gettext("cannot %s '%s': " 6288 "'canmount' property is set to 'off'\n"), cmdname, 6289 zfs_get_name(zhp)); 6290 return (1); 6291 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) { 6292 return (0); 6293 } 6294 6295 /* 6296 * If this filesystem is encrypted and does not have 6297 * a loaded key, we can not mount it. 6298 */ 6299 if ((flags & MS_CRYPT) == 0 && 6300 zfs_prop_get_int(zhp, ZFS_PROP_ENCRYPTION) != ZIO_CRYPT_OFF && 6301 zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS) == 6302 ZFS_KEYSTATUS_UNAVAILABLE) { 6303 if (!explicit) 6304 return (0); 6305 6306 (void) fprintf(stderr, gettext("cannot %s '%s': " 6307 "encryption key not loaded\n"), cmdname, zfs_get_name(zhp)); 6308 return (1); 6309 } 6310 6311 /* 6312 * If this filesystem is inconsistent and has a receive resume 6313 * token, we can not mount it. 6314 */ 6315 if (zfs_prop_get_int(zhp, ZFS_PROP_INCONSISTENT) && 6316 zfs_prop_get(zhp, ZFS_PROP_RECEIVE_RESUME_TOKEN, 6317 NULL, 0, NULL, NULL, 0, B_TRUE) == 0) { 6318 if (!explicit) 6319 return (0); 6320 6321 (void) fprintf(stderr, gettext("cannot %s '%s': " 6322 "Contains partially-completed state from " 6323 "\"zfs receive -s\", which can be resumed with " 6324 "\"zfs send -t\"\n"), 6325 cmdname, zfs_get_name(zhp)); 6326 return (1); 6327 } 6328 6329 /* 6330 * At this point, we have verified that the mountpoint and/or 6331 * shareopts are appropriate for auto management. If the 6332 * filesystem is already mounted or shared, return (failing 6333 * for explicit requests); otherwise mount or share the 6334 * filesystem. 6335 */ 6336 switch (op) { 6337 case OP_SHARE: 6338 6339 shared_nfs = zfs_is_shared_nfs(zhp, NULL); 6340 shared_smb = zfs_is_shared_smb(zhp, NULL); 6341 6342 if ((shared_nfs && shared_smb) || 6343 (shared_nfs && strcmp(shareopts, "on") == 0 && 6344 strcmp(smbshareopts, "off") == 0) || 6345 (shared_smb && strcmp(smbshareopts, "on") == 0 && 6346 strcmp(shareopts, "off") == 0)) { 6347 if (!explicit) 6348 return (0); 6349 6350 (void) fprintf(stderr, gettext("cannot share " 6351 "'%s': filesystem already shared\n"), 6352 zfs_get_name(zhp)); 6353 return (1); 6354 } 6355 6356 if (!zfs_is_mounted(zhp, NULL) && 6357 zfs_mount(zhp, NULL, flags) != 0) 6358 return (1); 6359 6360 if (protocol == NULL) { 6361 if (zfs_shareall(zhp) != 0) 6362 return (1); 6363 } else if (strcmp(protocol, "nfs") == 0) { 6364 if (zfs_share_nfs(zhp)) 6365 return (1); 6366 } else if (strcmp(protocol, "smb") == 0) { 6367 if (zfs_share_smb(zhp)) 6368 return (1); 6369 } else { 6370 (void) fprintf(stderr, gettext("cannot share " 6371 "'%s': invalid share type '%s' " 6372 "specified\n"), 6373 zfs_get_name(zhp), protocol); 6374 return (1); 6375 } 6376 6377 break; 6378 6379 case OP_MOUNT: 6380 if (options == NULL) 6381 mnt.mnt_mntopts = ""; 6382 else 6383 mnt.mnt_mntopts = (char *)options; 6384 6385 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) && 6386 zfs_is_mounted(zhp, NULL)) { 6387 if (!explicit) 6388 return (0); 6389 6390 (void) fprintf(stderr, gettext("cannot mount " 6391 "'%s': filesystem already mounted\n"), 6392 zfs_get_name(zhp)); 6393 return (1); 6394 } 6395 6396 if (zfs_mount(zhp, options, flags) != 0) 6397 return (1); 6398 break; 6399 } 6400 6401 return (0); 6402 } 6403 6404 /* 6405 * Reports progress in the form "(current/total)". Not thread-safe. 6406 */ 6407 static void 6408 report_mount_progress(int current, int total) 6409 { 6410 static time_t last_progress_time = 0; 6411 time_t now = time(NULL); 6412 char info[32]; 6413 6414 /* display header if we're here for the first time */ 6415 if (current == 1) { 6416 set_progress_header(gettext("Mounting ZFS filesystems")); 6417 } else if (current != total && last_progress_time + MOUNT_TIME >= now) { 6418 /* too soon to report again */ 6419 return; 6420 } 6421 6422 last_progress_time = now; 6423 6424 (void) sprintf(info, "(%d/%d)", current, total); 6425 6426 if (current == total) 6427 finish_progress(info); 6428 else 6429 update_progress(info); 6430 } 6431 6432 /* 6433 * zfs_foreach_mountpoint() callback that mounts or shares one filesystem and 6434 * updates the progress meter. 6435 */ 6436 static int 6437 share_mount_one_cb(zfs_handle_t *zhp, void *arg) 6438 { 6439 share_mount_state_t *sms = arg; 6440 int ret; 6441 6442 ret = share_mount_one(zhp, sms->sm_op, sms->sm_flags, sms->sm_proto, 6443 B_FALSE, sms->sm_options); 6444 6445 mutex_enter(&sms->sm_lock); 6446 if (ret != 0) 6447 sms->sm_status = ret; 6448 sms->sm_done++; 6449 if (sms->sm_verbose) 6450 report_mount_progress(sms->sm_done, sms->sm_total); 6451 mutex_exit(&sms->sm_lock); 6452 return (ret); 6453 } 6454 6455 static void 6456 append_options(char *mntopts, char *newopts) 6457 { 6458 int len = strlen(mntopts); 6459 6460 /* original length plus new string to append plus 1 for the comma */ 6461 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) { 6462 (void) fprintf(stderr, gettext("the opts argument for " 6463 "'%c' option is too long (more than %d chars)\n"), 6464 "-o", MNT_LINE_MAX); 6465 usage(B_FALSE); 6466 } 6467 6468 if (*mntopts) 6469 mntopts[len++] = ','; 6470 6471 (void) strcpy(&mntopts[len], newopts); 6472 } 6473 6474 static int 6475 share_mount(int op, int argc, char **argv) 6476 { 6477 int do_all = 0; 6478 boolean_t verbose = B_FALSE; 6479 int c, ret = 0; 6480 char *options = NULL; 6481 int flags = 0; 6482 6483 /* check options */ 6484 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":alvo:O" : "al")) 6485 != -1) { 6486 switch (c) { 6487 case 'a': 6488 do_all = 1; 6489 break; 6490 case 'v': 6491 verbose = B_TRUE; 6492 break; 6493 case 'l': 6494 flags |= MS_CRYPT; 6495 break; 6496 case 'o': 6497 if (*optarg == '\0') { 6498 (void) fprintf(stderr, gettext("empty mount " 6499 "options (-o) specified\n")); 6500 usage(B_FALSE); 6501 } 6502 6503 if (options == NULL) 6504 options = safe_malloc(MNT_LINE_MAX + 1); 6505 6506 /* option validation is done later */ 6507 append_options(options, optarg); 6508 break; 6509 6510 case 'O': 6511 flags |= MS_OVERLAY; 6512 break; 6513 case ':': 6514 (void) fprintf(stderr, gettext("missing argument for " 6515 "'%c' option\n"), optopt); 6516 usage(B_FALSE); 6517 break; 6518 case '?': 6519 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6520 optopt); 6521 usage(B_FALSE); 6522 } 6523 } 6524 6525 argc -= optind; 6526 argv += optind; 6527 6528 /* check number of arguments */ 6529 if (do_all) { 6530 char *protocol = NULL; 6531 6532 if (op == OP_SHARE && argc > 0) { 6533 if (strcmp(argv[0], "nfs") != 0 && 6534 strcmp(argv[0], "smb") != 0) { 6535 (void) fprintf(stderr, gettext("share type " 6536 "must be 'nfs' or 'smb'\n")); 6537 usage(B_FALSE); 6538 } 6539 protocol = argv[0]; 6540 argc--; 6541 argv++; 6542 } 6543 6544 if (argc != 0) { 6545 (void) fprintf(stderr, gettext("too many arguments\n")); 6546 usage(B_FALSE); 6547 } 6548 6549 start_progress_timer(); 6550 get_all_cb_t cb = { 0 }; 6551 get_all_datasets(&cb, verbose); 6552 6553 if (cb.cb_used == 0) 6554 return (0); 6555 6556 if (op == OP_SHARE) { 6557 sa_init_selective_arg_t sharearg; 6558 sharearg.zhandle_arr = cb.cb_handles; 6559 sharearg.zhandle_len = cb.cb_used; 6560 if ((ret = zfs_init_libshare_arg(g_zfs, 6561 SA_INIT_SHARE_API_SELECTIVE, &sharearg)) != SA_OK) { 6562 (void) fprintf(stderr, gettext( 6563 "Could not initialize libshare, %d"), ret); 6564 return (ret); 6565 } 6566 } 6567 6568 share_mount_state_t share_mount_state = { 0 }; 6569 share_mount_state.sm_op = op; 6570 share_mount_state.sm_verbose = verbose; 6571 share_mount_state.sm_flags = flags; 6572 share_mount_state.sm_options = options; 6573 share_mount_state.sm_proto = protocol; 6574 share_mount_state.sm_total = cb.cb_used; 6575 (void) mutex_init(&share_mount_state.sm_lock, 6576 LOCK_NORMAL | LOCK_ERRORCHECK, NULL); 6577 /* 6578 * libshare isn't mt-safe, so only do the operation in parallel 6579 * if we're mounting. 6580 */ 6581 zfs_foreach_mountpoint(g_zfs, cb.cb_handles, cb.cb_used, 6582 share_mount_one_cb, &share_mount_state, op == OP_MOUNT); 6583 ret = share_mount_state.sm_status; 6584 6585 for (int i = 0; i < cb.cb_used; i++) 6586 zfs_close(cb.cb_handles[i]); 6587 free(cb.cb_handles); 6588 } else if (argc == 0) { 6589 struct mnttab entry; 6590 6591 if ((op == OP_SHARE) || (options != NULL)) { 6592 (void) fprintf(stderr, gettext("missing filesystem " 6593 "argument (specify -a for all)\n")); 6594 usage(B_FALSE); 6595 } 6596 6597 /* 6598 * When mount is given no arguments, go through /etc/mnttab and 6599 * display any active ZFS mounts. We hide any snapshots, since 6600 * they are controlled automatically. 6601 */ 6602 rewind(mnttab_file); 6603 while (getmntent(mnttab_file, &entry) == 0) { 6604 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 || 6605 strchr(entry.mnt_special, '@') != NULL) 6606 continue; 6607 6608 (void) printf("%-30s %s\n", entry.mnt_special, 6609 entry.mnt_mountp); 6610 } 6611 6612 } else { 6613 zfs_handle_t *zhp; 6614 6615 if (argc > 1) { 6616 (void) fprintf(stderr, 6617 gettext("too many arguments\n")); 6618 usage(B_FALSE); 6619 } 6620 6621 if ((zhp = zfs_open(g_zfs, argv[0], 6622 ZFS_TYPE_FILESYSTEM)) == NULL) { 6623 ret = 1; 6624 } else { 6625 ret = share_mount_one(zhp, op, flags, NULL, B_TRUE, 6626 options); 6627 zfs_close(zhp); 6628 } 6629 } 6630 6631 return (ret); 6632 } 6633 6634 /* 6635 * zfs mount -a [nfs] 6636 * zfs mount filesystem 6637 * 6638 * Mount all filesystems, or mount the given filesystem. 6639 */ 6640 static int 6641 zfs_do_mount(int argc, char **argv) 6642 { 6643 return (share_mount(OP_MOUNT, argc, argv)); 6644 } 6645 6646 /* 6647 * zfs share -a [nfs | smb] 6648 * zfs share filesystem 6649 * 6650 * Share all filesystems, or share the given filesystem. 6651 */ 6652 static int 6653 zfs_do_share(int argc, char **argv) 6654 { 6655 return (share_mount(OP_SHARE, argc, argv)); 6656 } 6657 6658 typedef struct unshare_unmount_node { 6659 zfs_handle_t *un_zhp; 6660 char *un_mountp; 6661 uu_avl_node_t un_avlnode; 6662 } unshare_unmount_node_t; 6663 6664 /* ARGSUSED */ 6665 static int 6666 unshare_unmount_compare(const void *larg, const void *rarg, void *unused) 6667 { 6668 const unshare_unmount_node_t *l = larg; 6669 const unshare_unmount_node_t *r = rarg; 6670 6671 return (strcmp(l->un_mountp, r->un_mountp)); 6672 } 6673 6674 /* 6675 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an 6676 * absolute path, find the entry /etc/mnttab, verify that its a ZFS filesystem, 6677 * and unmount it appropriately. 6678 */ 6679 static int 6680 unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual) 6681 { 6682 zfs_handle_t *zhp; 6683 int ret = 0; 6684 struct stat64 statbuf; 6685 struct extmnttab entry; 6686 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount"; 6687 ino_t path_inode; 6688 6689 /* 6690 * Search for the path in /etc/mnttab. Rather than looking for the 6691 * specific path, which can be fooled by non-standard paths (i.e. ".." 6692 * or "//"), we stat() the path and search for the corresponding 6693 * (major,minor) device pair. 6694 */ 6695 if (stat64(path, &statbuf) != 0) { 6696 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), 6697 cmdname, path, strerror(errno)); 6698 return (1); 6699 } 6700 path_inode = statbuf.st_ino; 6701 6702 /* 6703 * Search for the given (major,minor) pair in the mount table. 6704 */ 6705 rewind(mnttab_file); 6706 while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) { 6707 if (entry.mnt_major == major(statbuf.st_dev) && 6708 entry.mnt_minor == minor(statbuf.st_dev)) 6709 break; 6710 } 6711 if (ret != 0) { 6712 if (op == OP_SHARE) { 6713 (void) fprintf(stderr, gettext("cannot %s '%s': not " 6714 "currently mounted\n"), cmdname, path); 6715 return (1); 6716 } 6717 (void) fprintf(stderr, gettext("warning: %s not in mnttab\n"), 6718 path); 6719 if ((ret = umount2(path, flags)) != 0) 6720 (void) fprintf(stderr, gettext("%s: %s\n"), path, 6721 strerror(errno)); 6722 return (ret != 0); 6723 } 6724 6725 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) { 6726 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS " 6727 "filesystem\n"), cmdname, path); 6728 return (1); 6729 } 6730 6731 if ((zhp = zfs_open(g_zfs, entry.mnt_special, 6732 ZFS_TYPE_FILESYSTEM)) == NULL) 6733 return (1); 6734 6735 ret = 1; 6736 if (stat64(entry.mnt_mountp, &statbuf) != 0) { 6737 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"), 6738 cmdname, path, strerror(errno)); 6739 goto out; 6740 } else if (statbuf.st_ino != path_inode) { 6741 (void) fprintf(stderr, gettext("cannot " 6742 "%s '%s': not a mountpoint\n"), cmdname, path); 6743 goto out; 6744 } 6745 6746 if (op == OP_SHARE) { 6747 char nfs_mnt_prop[ZFS_MAXPROPLEN]; 6748 char smbshare_prop[ZFS_MAXPROPLEN]; 6749 6750 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop, 6751 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0); 6752 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop, 6753 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0); 6754 6755 if (strcmp(nfs_mnt_prop, "off") == 0 && 6756 strcmp(smbshare_prop, "off") == 0) { 6757 (void) fprintf(stderr, gettext("cannot unshare " 6758 "'%s': legacy share\n"), path); 6759 (void) fprintf(stderr, gettext("use " 6760 "unshare(8) to unshare this filesystem\n")); 6761 } else if (!zfs_is_shared(zhp)) { 6762 (void) fprintf(stderr, gettext("cannot unshare '%s': " 6763 "not currently shared\n"), path); 6764 } else { 6765 ret = zfs_unshareall_bypath(zhp, path); 6766 } 6767 } else { 6768 char mtpt_prop[ZFS_MAXPROPLEN]; 6769 6770 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop, 6771 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0); 6772 6773 if (is_manual) { 6774 ret = zfs_unmount(zhp, NULL, flags); 6775 } else if (strcmp(mtpt_prop, "legacy") == 0) { 6776 (void) fprintf(stderr, gettext("cannot unmount " 6777 "'%s': legacy mountpoint\n"), 6778 zfs_get_name(zhp)); 6779 (void) fprintf(stderr, gettext("use umount(8) " 6780 "to unmount this filesystem\n")); 6781 } else { 6782 ret = zfs_unmountall(zhp, flags); 6783 } 6784 } 6785 6786 out: 6787 zfs_close(zhp); 6788 6789 return (ret != 0); 6790 } 6791 6792 /* 6793 * Generic callback for unsharing or unmounting a filesystem. 6794 */ 6795 static int 6796 unshare_unmount(int op, int argc, char **argv) 6797 { 6798 int do_all = 0; 6799 int flags = 0; 6800 int ret = 0; 6801 int c; 6802 zfs_handle_t *zhp; 6803 char nfs_mnt_prop[ZFS_MAXPROPLEN]; 6804 char sharesmb[ZFS_MAXPROPLEN]; 6805 6806 /* check options */ 6807 while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) { 6808 switch (c) { 6809 case 'a': 6810 do_all = 1; 6811 break; 6812 case 'f': 6813 flags = MS_FORCE; 6814 break; 6815 case '?': 6816 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 6817 optopt); 6818 usage(B_FALSE); 6819 } 6820 } 6821 6822 argc -= optind; 6823 argv += optind; 6824 6825 if (do_all) { 6826 /* 6827 * We could make use of zfs_for_each() to walk all datasets in 6828 * the system, but this would be very inefficient, especially 6829 * since we would have to linearly search /etc/mnttab for each 6830 * one. Instead, do one pass through /etc/mnttab looking for 6831 * zfs entries and call zfs_unmount() for each one. 6832 * 6833 * Things get a little tricky if the administrator has created 6834 * mountpoints beneath other ZFS filesystems. In this case, we 6835 * have to unmount the deepest filesystems first. To accomplish 6836 * this, we place all the mountpoints in an AVL tree sorted by 6837 * the special type (dataset name), and walk the result in 6838 * reverse to make sure to get any snapshots first. 6839 */ 6840 struct mnttab entry; 6841 uu_avl_pool_t *pool; 6842 uu_avl_t *tree = NULL; 6843 unshare_unmount_node_t *node; 6844 uu_avl_index_t idx; 6845 uu_avl_walk_t *walk; 6846 6847 if (argc != 0) { 6848 (void) fprintf(stderr, gettext("too many arguments\n")); 6849 usage(B_FALSE); 6850 } 6851 6852 if (((pool = uu_avl_pool_create("unmount_pool", 6853 sizeof (unshare_unmount_node_t), 6854 offsetof(unshare_unmount_node_t, un_avlnode), 6855 unshare_unmount_compare, UU_DEFAULT)) == NULL) || 6856 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL)) 6857 nomem(); 6858 6859 rewind(mnttab_file); 6860 while (getmntent(mnttab_file, &entry) == 0) { 6861 6862 /* ignore non-ZFS entries */ 6863 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) 6864 continue; 6865 6866 /* ignore snapshots */ 6867 if (strchr(entry.mnt_special, '@') != NULL) 6868 continue; 6869 6870 if ((zhp = zfs_open(g_zfs, entry.mnt_special, 6871 ZFS_TYPE_FILESYSTEM)) == NULL) { 6872 ret = 1; 6873 continue; 6874 } 6875 6876 /* 6877 * Ignore datasets that are excluded/restricted by 6878 * parent pool name. 6879 */ 6880 if (zpool_skip_pool(zfs_get_pool_name(zhp))) { 6881 zfs_close(zhp); 6882 continue; 6883 } 6884 6885 switch (op) { 6886 case OP_SHARE: 6887 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, 6888 nfs_mnt_prop, 6889 sizeof (nfs_mnt_prop), 6890 NULL, NULL, 0, B_FALSE) == 0); 6891 if (strcmp(nfs_mnt_prop, "off") != 0) 6892 break; 6893 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, 6894 nfs_mnt_prop, 6895 sizeof (nfs_mnt_prop), 6896 NULL, NULL, 0, B_FALSE) == 0); 6897 if (strcmp(nfs_mnt_prop, "off") == 0) 6898 continue; 6899 break; 6900 case OP_MOUNT: 6901 /* Ignore legacy mounts */ 6902 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, 6903 nfs_mnt_prop, 6904 sizeof (nfs_mnt_prop), 6905 NULL, NULL, 0, B_FALSE) == 0); 6906 if (strcmp(nfs_mnt_prop, "legacy") == 0) 6907 continue; 6908 /* Ignore canmount=noauto mounts */ 6909 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) == 6910 ZFS_CANMOUNT_NOAUTO) 6911 continue; 6912 default: 6913 break; 6914 } 6915 6916 node = safe_malloc(sizeof (unshare_unmount_node_t)); 6917 node->un_zhp = zhp; 6918 node->un_mountp = safe_strdup(entry.mnt_mountp); 6919 6920 uu_avl_node_init(node, &node->un_avlnode, pool); 6921 6922 if (uu_avl_find(tree, node, NULL, &idx) == NULL) { 6923 uu_avl_insert(tree, node, idx); 6924 } else { 6925 zfs_close(node->un_zhp); 6926 free(node->un_mountp); 6927 free(node); 6928 } 6929 } 6930 6931 /* 6932 * Initialize libshare SA_INIT_SHARE_API_SELECTIVE here 6933 * to avoid unnecessary load/unload of the libshare API 6934 * per shared dataset downstream. 6935 */ 6936 if (op == OP_SHARE) { 6937 get_all_cb_t dslist = { 0 }; 6938 get_all_datasets(&dslist, B_FALSE); 6939 6940 if (dslist.cb_used != 0) { 6941 sa_init_selective_arg_t sharearg; 6942 sharearg.zhandle_arr = dslist.cb_handles; 6943 sharearg.zhandle_len = dslist.cb_used; 6944 if ((ret = zfs_init_libshare_arg(g_zfs, 6945 SA_INIT_SHARE_API_SELECTIVE, &sharearg)) != 6946 SA_OK) { 6947 (void) fprintf(stderr, gettext( 6948 "Could not initialize libshare, " 6949 "%d"), ret); 6950 return (1); 6951 } 6952 } 6953 } 6954 6955 /* 6956 * Walk the AVL tree in reverse, unmounting each filesystem and 6957 * removing it from the AVL tree in the process. 6958 */ 6959 if ((walk = uu_avl_walk_start(tree, 6960 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL) 6961 nomem(); 6962 6963 while ((node = uu_avl_walk_next(walk)) != NULL) { 6964 uu_avl_remove(tree, node); 6965 6966 switch (op) { 6967 case OP_SHARE: 6968 if (zfs_unshareall_bypath(node->un_zhp, 6969 node->un_mountp) != 0) 6970 ret = 1; 6971 break; 6972 6973 case OP_MOUNT: 6974 if (zfs_unmount(node->un_zhp, 6975 node->un_mountp, flags) != 0) 6976 ret = 1; 6977 break; 6978 } 6979 6980 zfs_close(node->un_zhp); 6981 free(node->un_mountp); 6982 free(node); 6983 } 6984 6985 uu_avl_walk_end(walk); 6986 uu_avl_destroy(tree); 6987 uu_avl_pool_destroy(pool); 6988 6989 } else { 6990 if (argc != 1) { 6991 if (argc == 0) 6992 (void) fprintf(stderr, 6993 gettext("missing filesystem argument\n")); 6994 else 6995 (void) fprintf(stderr, 6996 gettext("too many arguments\n")); 6997 usage(B_FALSE); 6998 } 6999 7000 /* 7001 * We have an argument, but it may be a full path or a ZFS 7002 * filesystem. Pass full paths off to unmount_path() (shared by 7003 * manual_unmount), otherwise open the filesystem and pass to 7004 * zfs_unmount(). 7005 */ 7006 if (argv[0][0] == '/') 7007 return (unshare_unmount_path(op, argv[0], 7008 flags, B_FALSE)); 7009 7010 if ((zhp = zfs_open(g_zfs, argv[0], 7011 ZFS_TYPE_FILESYSTEM)) == NULL) 7012 return (1); 7013 7014 verify(zfs_prop_get(zhp, op == OP_SHARE ? 7015 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT, 7016 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL, 7017 NULL, 0, B_FALSE) == 0); 7018 7019 switch (op) { 7020 case OP_SHARE: 7021 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, 7022 nfs_mnt_prop, 7023 sizeof (nfs_mnt_prop), 7024 NULL, NULL, 0, B_FALSE) == 0); 7025 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, 7026 sharesmb, sizeof (sharesmb), NULL, NULL, 7027 0, B_FALSE) == 0); 7028 7029 if (strcmp(nfs_mnt_prop, "off") == 0 && 7030 strcmp(sharesmb, "off") == 0) { 7031 (void) fprintf(stderr, gettext("cannot " 7032 "unshare '%s': legacy share\n"), 7033 zfs_get_name(zhp)); 7034 (void) fprintf(stderr, gettext("use " 7035 "unshare(8) to unshare this " 7036 "filesystem\n")); 7037 ret = 1; 7038 } else if (!zfs_is_shared(zhp)) { 7039 (void) fprintf(stderr, gettext("cannot " 7040 "unshare '%s': not currently " 7041 "shared\n"), zfs_get_name(zhp)); 7042 ret = 1; 7043 } else if (zfs_unshareall(zhp) != 0) { 7044 ret = 1; 7045 } 7046 break; 7047 7048 case OP_MOUNT: 7049 if (strcmp(nfs_mnt_prop, "legacy") == 0) { 7050 (void) fprintf(stderr, gettext("cannot " 7051 "unmount '%s': legacy " 7052 "mountpoint\n"), zfs_get_name(zhp)); 7053 (void) fprintf(stderr, gettext("use " 7054 "umount(8) to unmount this " 7055 "filesystem\n")); 7056 ret = 1; 7057 } else if (!zfs_is_mounted(zhp, NULL)) { 7058 (void) fprintf(stderr, gettext("cannot " 7059 "unmount '%s': not currently " 7060 "mounted\n"), 7061 zfs_get_name(zhp)); 7062 ret = 1; 7063 } else if (zfs_unmountall(zhp, flags) != 0) { 7064 ret = 1; 7065 } 7066 break; 7067 } 7068 7069 zfs_close(zhp); 7070 } 7071 7072 return (ret); 7073 } 7074 7075 /* 7076 * zfs unmount -a 7077 * zfs unmount filesystem 7078 * 7079 * Unmount all filesystems, or a specific ZFS filesystem. 7080 */ 7081 static int 7082 zfs_do_unmount(int argc, char **argv) 7083 { 7084 return (unshare_unmount(OP_MOUNT, argc, argv)); 7085 } 7086 7087 /* 7088 * zfs unshare -a 7089 * zfs unshare filesystem 7090 * 7091 * Unshare all filesystems, or a specific ZFS filesystem. 7092 */ 7093 static int 7094 zfs_do_unshare(int argc, char **argv) 7095 { 7096 return (unshare_unmount(OP_SHARE, argc, argv)); 7097 } 7098 7099 /* 7100 * Called when invoked as /etc/fs/zfs/mount. Do the mount if the mountpoint is 7101 * 'legacy'. Otherwise, complain that use should be using 'zfs mount'. 7102 */ 7103 static int 7104 manual_mount(int argc, char **argv) 7105 { 7106 zfs_handle_t *zhp; 7107 char mountpoint[ZFS_MAXPROPLEN]; 7108 char mntopts[MNT_LINE_MAX] = { '\0' }; 7109 int ret = 0; 7110 int c; 7111 int flags = 0; 7112 char *dataset, *path; 7113 7114 /* check options */ 7115 while ((c = getopt(argc, argv, ":mo:O")) != -1) { 7116 switch (c) { 7117 case 'o': 7118 (void) strlcpy(mntopts, optarg, sizeof (mntopts)); 7119 break; 7120 case 'O': 7121 flags |= MS_OVERLAY; 7122 break; 7123 case 'm': 7124 flags |= MS_NOMNTTAB; 7125 break; 7126 case ':': 7127 (void) fprintf(stderr, gettext("missing argument for " 7128 "'%c' option\n"), optopt); 7129 usage(B_FALSE); 7130 break; 7131 case '?': 7132 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 7133 optopt); 7134 (void) fprintf(stderr, gettext("usage: mount [-o opts] " 7135 "<path>\n")); 7136 return (2); 7137 } 7138 } 7139 7140 argc -= optind; 7141 argv += optind; 7142 7143 /* check that we only have two arguments */ 7144 if (argc != 2) { 7145 if (argc == 0) 7146 (void) fprintf(stderr, gettext("missing dataset " 7147 "argument\n")); 7148 else if (argc == 1) 7149 (void) fprintf(stderr, 7150 gettext("missing mountpoint argument\n")); 7151 else 7152 (void) fprintf(stderr, gettext("too many arguments\n")); 7153 (void) fprintf(stderr, "usage: mount <dataset> <mountpoint>\n"); 7154 return (2); 7155 } 7156 7157 dataset = argv[0]; 7158 path = argv[1]; 7159 7160 /* try to open the dataset */ 7161 if ((zhp = zfs_open(g_zfs, dataset, ZFS_TYPE_FILESYSTEM)) == NULL) 7162 return (1); 7163 7164 (void) zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint, 7165 sizeof (mountpoint), NULL, NULL, 0, B_FALSE); 7166 7167 /* check for legacy mountpoint and complain appropriately */ 7168 ret = 0; 7169 if (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) == 0) { 7170 if (mount(dataset, path, MS_OPTIONSTR | flags, MNTTYPE_ZFS, 7171 NULL, 0, mntopts, sizeof (mntopts)) != 0) { 7172 (void) fprintf(stderr, gettext("mount failed: %s\n"), 7173 strerror(errno)); 7174 ret = 1; 7175 } 7176 } else { 7177 (void) fprintf(stderr, gettext("filesystem '%s' cannot be " 7178 "mounted using 'mount -F zfs'\n"), dataset); 7179 (void) fprintf(stderr, gettext("Use 'zfs set mountpoint=%s' " 7180 "instead.\n"), path); 7181 (void) fprintf(stderr, gettext("If you must use 'mount -F zfs' " 7182 "or /etc/vfstab, use 'zfs set mountpoint=legacy'.\n")); 7183 (void) fprintf(stderr, gettext("See zfs(8) for more " 7184 "information.\n")); 7185 ret = 1; 7186 } 7187 7188 return (ret); 7189 } 7190 7191 /* 7192 * Called when invoked as /etc/fs/zfs/umount. Unlike a manual mount, we allow 7193 * unmounts of non-legacy filesystems, as this is the dominant administrative 7194 * interface. 7195 */ 7196 static int 7197 manual_unmount(int argc, char **argv) 7198 { 7199 int flags = 0; 7200 int c; 7201 7202 /* check options */ 7203 while ((c = getopt(argc, argv, "f")) != -1) { 7204 switch (c) { 7205 case 'f': 7206 flags = MS_FORCE; 7207 break; 7208 case '?': 7209 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 7210 optopt); 7211 (void) fprintf(stderr, gettext("usage: unmount [-f] " 7212 "<path>\n")); 7213 return (2); 7214 } 7215 } 7216 7217 argc -= optind; 7218 argv += optind; 7219 7220 /* check arguments */ 7221 if (argc != 1) { 7222 if (argc == 0) 7223 (void) fprintf(stderr, gettext("missing path " 7224 "argument\n")); 7225 else 7226 (void) fprintf(stderr, gettext("too many arguments\n")); 7227 (void) fprintf(stderr, gettext("usage: unmount [-f] <path>\n")); 7228 return (2); 7229 } 7230 7231 return (unshare_unmount_path(OP_MOUNT, argv[0], flags, B_TRUE)); 7232 } 7233 7234 static int 7235 find_command_idx(char *command, int *idx) 7236 { 7237 int i; 7238 7239 for (i = 0; i < NCOMMAND; i++) { 7240 if (command_table[i].name == NULL) 7241 continue; 7242 7243 if (strcmp(command, command_table[i].name) == 0) { 7244 *idx = i; 7245 return (0); 7246 } 7247 } 7248 return (1); 7249 } 7250 7251 static int 7252 zfs_do_diff(int argc, char **argv) 7253 { 7254 zfs_handle_t *zhp; 7255 int flags = 0; 7256 char *tosnap = NULL; 7257 char *fromsnap = NULL; 7258 char *atp, *copy; 7259 int err = 0; 7260 int c; 7261 7262 while ((c = getopt(argc, argv, "FHt")) != -1) { 7263 switch (c) { 7264 case 'F': 7265 flags |= ZFS_DIFF_CLASSIFY; 7266 break; 7267 case 'H': 7268 flags |= ZFS_DIFF_PARSEABLE; 7269 break; 7270 case 't': 7271 flags |= ZFS_DIFF_TIMESTAMP; 7272 break; 7273 default: 7274 (void) fprintf(stderr, 7275 gettext("invalid option '%c'\n"), optopt); 7276 usage(B_FALSE); 7277 } 7278 } 7279 7280 argc -= optind; 7281 argv += optind; 7282 7283 if (argc < 1) { 7284 (void) fprintf(stderr, 7285 gettext("must provide at least one snapshot name\n")); 7286 usage(B_FALSE); 7287 } 7288 7289 if (argc > 2) { 7290 (void) fprintf(stderr, gettext("too many arguments\n")); 7291 usage(B_FALSE); 7292 } 7293 7294 fromsnap = argv[0]; 7295 tosnap = (argc == 2) ? argv[1] : NULL; 7296 7297 copy = NULL; 7298 if (*fromsnap != '@') 7299 copy = strdup(fromsnap); 7300 else if (tosnap) 7301 copy = strdup(tosnap); 7302 if (copy == NULL) 7303 usage(B_FALSE); 7304 7305 if ((atp = strchr(copy, '@')) != NULL) 7306 *atp = '\0'; 7307 7308 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL) 7309 return (1); 7310 7311 free(copy); 7312 7313 /* 7314 * Ignore SIGPIPE so that the library can give us 7315 * information on any failure 7316 */ 7317 (void) sigignore(SIGPIPE); 7318 7319 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags); 7320 7321 zfs_close(zhp); 7322 7323 return (err != 0); 7324 } 7325 7326 /* 7327 * zfs remap <filesystem | volume> 7328 * 7329 * Remap the indirect blocks in the given fileystem or volume. 7330 */ 7331 static int 7332 zfs_do_remap(int argc, char **argv) 7333 { 7334 const char *fsname; 7335 int err = 0; 7336 int c; 7337 7338 /* check options */ 7339 while ((c = getopt(argc, argv, "")) != -1) { 7340 switch (c) { 7341 case '?': 7342 (void) fprintf(stderr, 7343 gettext("invalid option '%c'\n"), optopt); 7344 usage(B_FALSE); 7345 } 7346 } 7347 7348 if (argc != 2) { 7349 (void) fprintf(stderr, gettext("wrong number of arguments\n")); 7350 usage(B_FALSE); 7351 } 7352 7353 fsname = argv[1]; 7354 err = zfs_remap_indirects(g_zfs, fsname); 7355 7356 return (err); 7357 } 7358 7359 /* 7360 * zfs bookmark <fs@snap> <fs#bmark> 7361 * 7362 * Creates a bookmark with the given name from the given snapshot. 7363 */ 7364 static int 7365 zfs_do_bookmark(int argc, char **argv) 7366 { 7367 char snapname[ZFS_MAX_DATASET_NAME_LEN]; 7368 zfs_handle_t *zhp; 7369 nvlist_t *nvl; 7370 int ret = 0; 7371 int c; 7372 7373 /* check options */ 7374 while ((c = getopt(argc, argv, "")) != -1) { 7375 switch (c) { 7376 case '?': 7377 (void) fprintf(stderr, 7378 gettext("invalid option '%c'\n"), optopt); 7379 goto usage; 7380 } 7381 } 7382 7383 argc -= optind; 7384 argv += optind; 7385 7386 /* check number of arguments */ 7387 if (argc < 1) { 7388 (void) fprintf(stderr, gettext("missing snapshot argument\n")); 7389 goto usage; 7390 } 7391 if (argc < 2) { 7392 (void) fprintf(stderr, gettext("missing bookmark argument\n")); 7393 goto usage; 7394 } 7395 7396 if (strchr(argv[1], '#') == NULL) { 7397 (void) fprintf(stderr, 7398 gettext("invalid bookmark name '%s' -- " 7399 "must contain a '#'\n"), argv[1]); 7400 goto usage; 7401 } 7402 7403 if (argv[0][0] == '@') { 7404 /* 7405 * Snapshot name begins with @. 7406 * Default to same fs as bookmark. 7407 */ 7408 (void) strncpy(snapname, argv[1], sizeof (snapname)); 7409 *strchr(snapname, '#') = '\0'; 7410 (void) strlcat(snapname, argv[0], sizeof (snapname)); 7411 } else { 7412 (void) strlcpy(snapname, argv[0], sizeof (snapname)); 7413 } 7414 zhp = zfs_open(g_zfs, snapname, ZFS_TYPE_SNAPSHOT); 7415 if (zhp == NULL) 7416 goto usage; 7417 zfs_close(zhp); 7418 7419 7420 nvl = fnvlist_alloc(); 7421 fnvlist_add_string(nvl, argv[1], snapname); 7422 ret = lzc_bookmark(nvl, NULL); 7423 fnvlist_free(nvl); 7424 7425 if (ret != 0) { 7426 const char *err_msg = NULL; 7427 char errbuf[1024]; 7428 7429 (void) snprintf(errbuf, sizeof (errbuf), 7430 dgettext(TEXT_DOMAIN, 7431 "cannot create bookmark '%s'"), argv[1]); 7432 7433 switch (ret) { 7434 case EXDEV: 7435 err_msg = "bookmark is in a different pool"; 7436 break; 7437 case EEXIST: 7438 err_msg = "bookmark exists"; 7439 break; 7440 case EINVAL: 7441 err_msg = "invalid argument"; 7442 break; 7443 case ENOTSUP: 7444 err_msg = "bookmark feature not enabled"; 7445 break; 7446 case ENOSPC: 7447 err_msg = "out of space"; 7448 break; 7449 default: 7450 (void) zfs_standard_error(g_zfs, ret, errbuf); 7451 break; 7452 } 7453 if (err_msg != NULL) { 7454 (void) fprintf(stderr, "%s: %s\n", errbuf, 7455 dgettext(TEXT_DOMAIN, err_msg)); 7456 } 7457 } 7458 7459 return (ret != 0); 7460 7461 usage: 7462 usage(B_FALSE); 7463 return (-1); 7464 } 7465 7466 static int 7467 zfs_do_channel_program(int argc, char **argv) 7468 { 7469 int ret, fd; 7470 int c; 7471 char *progbuf, *filename, *poolname; 7472 size_t progsize, progread; 7473 nvlist_t *outnvl = NULL; 7474 uint64_t instrlimit = ZCP_DEFAULT_INSTRLIMIT; 7475 uint64_t memlimit = ZCP_DEFAULT_MEMLIMIT; 7476 boolean_t sync_flag = B_TRUE, json_output = B_FALSE; 7477 zpool_handle_t *zhp; 7478 7479 /* check options */ 7480 while (-1 != 7481 (c = getopt(argc, argv, "jnt:(instr-limit)m:(memory-limit)"))) { 7482 switch (c) { 7483 case 't': 7484 case 'm': { 7485 uint64_t arg; 7486 char *endp; 7487 7488 errno = 0; 7489 arg = strtoull(optarg, &endp, 0); 7490 if (errno != 0 || *endp != '\0') { 7491 (void) fprintf(stderr, gettext( 7492 "invalid argument " 7493 "'%s': expected integer\n"), optarg); 7494 goto usage; 7495 } 7496 7497 if (c == 't') { 7498 if (arg > ZCP_MAX_INSTRLIMIT || arg == 0) { 7499 (void) fprintf(stderr, gettext( 7500 "Invalid instruction limit: " 7501 "%s\n"), optarg); 7502 return (1); 7503 } else { 7504 instrlimit = arg; 7505 } 7506 } else { 7507 ASSERT3U(c, ==, 'm'); 7508 if (arg > ZCP_MAX_MEMLIMIT || arg == 0) { 7509 (void) fprintf(stderr, gettext( 7510 "Invalid memory limit: " 7511 "%s\n"), optarg); 7512 return (1); 7513 } else { 7514 memlimit = arg; 7515 } 7516 } 7517 break; 7518 } 7519 case 'n': { 7520 sync_flag = B_FALSE; 7521 break; 7522 } 7523 case 'j': { 7524 json_output = B_TRUE; 7525 break; 7526 } 7527 case '?': 7528 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 7529 optopt); 7530 goto usage; 7531 } 7532 } 7533 7534 argc -= optind; 7535 argv += optind; 7536 7537 if (argc < 2) { 7538 (void) fprintf(stderr, 7539 gettext("invalid number of arguments\n")); 7540 goto usage; 7541 } 7542 7543 poolname = argv[0]; 7544 filename = argv[1]; 7545 if (strcmp(filename, "-") == 0) { 7546 fd = 0; 7547 filename = "standard input"; 7548 } else if ((fd = open(filename, O_RDONLY)) < 0) { 7549 (void) fprintf(stderr, gettext("cannot open '%s': %s\n"), 7550 filename, strerror(errno)); 7551 return (1); 7552 } 7553 7554 if ((zhp = zpool_open(g_zfs, poolname)) == NULL) { 7555 (void) fprintf(stderr, gettext("cannot open pool '%s'"), 7556 poolname); 7557 return (1); 7558 } 7559 zpool_close(zhp); 7560 7561 /* 7562 * Read in the channel program, expanding the program buffer as 7563 * necessary. 7564 */ 7565 progread = 0; 7566 progsize = 1024; 7567 progbuf = safe_malloc(progsize); 7568 do { 7569 ret = read(fd, progbuf + progread, progsize - progread); 7570 progread += ret; 7571 if (progread == progsize && ret > 0) { 7572 progsize *= 2; 7573 progbuf = safe_realloc(progbuf, progsize); 7574 } 7575 } while (ret > 0); 7576 7577 if (fd != 0) 7578 (void) close(fd); 7579 if (ret < 0) { 7580 free(progbuf); 7581 (void) fprintf(stderr, 7582 gettext("cannot read '%s': %s\n"), 7583 filename, strerror(errno)); 7584 return (1); 7585 } 7586 progbuf[progread] = '\0'; 7587 7588 /* 7589 * Any remaining arguments are passed as arguments to the lua script as 7590 * a string array: 7591 * { 7592 * "argv" -> [ "arg 1", ... "arg n" ], 7593 * } 7594 */ 7595 nvlist_t *argnvl = fnvlist_alloc(); 7596 fnvlist_add_string_array(argnvl, ZCP_ARG_CLIARGV, argv + 2, argc - 2); 7597 7598 if (sync_flag) { 7599 ret = lzc_channel_program(poolname, progbuf, 7600 instrlimit, memlimit, argnvl, &outnvl); 7601 } else { 7602 ret = lzc_channel_program_nosync(poolname, progbuf, 7603 instrlimit, memlimit, argnvl, &outnvl); 7604 } 7605 7606 if (ret != 0) { 7607 /* 7608 * On error, report the error message handed back by lua if one 7609 * exists. Otherwise, generate an appropriate error message, 7610 * falling back on strerror() for an unexpected return code. 7611 */ 7612 char *errstring = NULL; 7613 const char *msg = gettext("Channel program execution failed"); 7614 if (outnvl != NULL && nvlist_exists(outnvl, ZCP_RET_ERROR)) { 7615 (void) nvlist_lookup_string(outnvl, 7616 ZCP_RET_ERROR, &errstring); 7617 if (errstring == NULL) 7618 errstring = strerror(ret); 7619 } else { 7620 switch (ret) { 7621 case EINVAL: 7622 errstring = 7623 "Invalid instruction or memory limit."; 7624 break; 7625 case ENOMEM: 7626 errstring = "Return value too large."; 7627 break; 7628 case ENOSPC: 7629 errstring = "Memory limit exhausted."; 7630 break; 7631 case ETIME: 7632 errstring = "Timed out."; 7633 break; 7634 case EPERM: 7635 errstring = "Permission denied. Channel " 7636 "programs must be run as root."; 7637 break; 7638 default: 7639 (void) zfs_standard_error(g_zfs, ret, msg); 7640 } 7641 } 7642 if (errstring != NULL) 7643 (void) fprintf(stderr, "%s:\n%s\n", msg, errstring); 7644 } else { 7645 if (json_output) { 7646 (void) nvlist_print_json(stdout, outnvl); 7647 } else if (nvlist_empty(outnvl)) { 7648 (void) fprintf(stdout, gettext("Channel program fully " 7649 "executed and did not produce output.\n")); 7650 } else { 7651 (void) fprintf(stdout, gettext("Channel program fully " 7652 "executed and produced output:\n")); 7653 dump_nvlist(outnvl, 4); 7654 } 7655 } 7656 7657 free(progbuf); 7658 fnvlist_free(outnvl); 7659 fnvlist_free(argnvl); 7660 return (ret != 0); 7661 7662 usage: 7663 usage(B_FALSE); 7664 return (-1); 7665 } 7666 7667 typedef struct loadkey_cbdata { 7668 boolean_t cb_loadkey; 7669 boolean_t cb_recursive; 7670 boolean_t cb_noop; 7671 char *cb_keylocation; 7672 uint64_t cb_numfailed; 7673 uint64_t cb_numattempted; 7674 } loadkey_cbdata_t; 7675 7676 static int 7677 load_key_callback(zfs_handle_t *zhp, void *data) 7678 { 7679 int ret; 7680 boolean_t is_encroot; 7681 loadkey_cbdata_t *cb = data; 7682 uint64_t keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); 7683 7684 /* 7685 * If we are working recursively, we want to skip loading / unloading 7686 * keys for non-encryption roots and datasets whose keys are already 7687 * in the desired end-state. 7688 */ 7689 if (cb->cb_recursive) { 7690 ret = zfs_crypto_get_encryption_root(zhp, &is_encroot, NULL); 7691 if (ret != 0) 7692 return (ret); 7693 if (!is_encroot) 7694 return (0); 7695 7696 if ((cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_AVAILABLE) || 7697 (!cb->cb_loadkey && keystatus == ZFS_KEYSTATUS_UNAVAILABLE)) 7698 return (0); 7699 } 7700 7701 cb->cb_numattempted++; 7702 7703 if (cb->cb_loadkey) 7704 ret = zfs_crypto_load_key(zhp, cb->cb_noop, cb->cb_keylocation); 7705 else 7706 ret = zfs_crypto_unload_key(zhp); 7707 7708 if (ret != 0) { 7709 cb->cb_numfailed++; 7710 return (ret); 7711 } 7712 7713 return (0); 7714 } 7715 7716 static int 7717 load_unload_keys(int argc, char **argv, boolean_t loadkey) 7718 { 7719 int c, ret = 0, flags = 0; 7720 boolean_t do_all = B_FALSE; 7721 loadkey_cbdata_t cb = { 0 }; 7722 7723 cb.cb_loadkey = loadkey; 7724 7725 while ((c = getopt(argc, argv, "anrL:")) != -1) { 7726 /* noop and alternate keylocations only apply to zfs load-key */ 7727 if (loadkey) { 7728 switch (c) { 7729 case 'n': 7730 cb.cb_noop = B_TRUE; 7731 continue; 7732 case 'L': 7733 cb.cb_keylocation = optarg; 7734 continue; 7735 default: 7736 break; 7737 } 7738 } 7739 7740 switch (c) { 7741 case 'a': 7742 do_all = B_TRUE; 7743 cb.cb_recursive = B_TRUE; 7744 break; 7745 case 'r': 7746 flags |= ZFS_ITER_RECURSE; 7747 cb.cb_recursive = B_TRUE; 7748 break; 7749 default: 7750 (void) fprintf(stderr, 7751 gettext("invalid option '%c'\n"), optopt); 7752 usage(B_FALSE); 7753 } 7754 } 7755 7756 argc -= optind; 7757 argv += optind; 7758 7759 if (!do_all && argc == 0) { 7760 (void) fprintf(stderr, 7761 gettext("Missing dataset argument or -a option\n")); 7762 usage(B_FALSE); 7763 } 7764 7765 if (do_all && argc != 0) { 7766 (void) fprintf(stderr, 7767 gettext("Cannot specify dataset with -a option\n")); 7768 usage(B_FALSE); 7769 } 7770 7771 if (cb.cb_recursive && cb.cb_keylocation != NULL && 7772 strcmp(cb.cb_keylocation, "prompt") != 0) { 7773 (void) fprintf(stderr, gettext("alternate keylocation may only " 7774 "be 'prompt' with -r or -a\n")); 7775 usage(B_FALSE); 7776 } 7777 7778 ret = zfs_for_each(argc, argv, flags, 7779 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, NULL, NULL, 0, 7780 load_key_callback, &cb); 7781 7782 if (cb.cb_noop || (cb.cb_recursive && cb.cb_numattempted != 0)) { 7783 (void) printf(gettext("%llu / %llu key(s) successfully %s\n"), 7784 (u_longlong_t)(cb.cb_numattempted - cb.cb_numfailed), 7785 (u_longlong_t)cb.cb_numattempted, 7786 loadkey ? (cb.cb_noop ? "verified" : "loaded") : 7787 "unloaded"); 7788 } 7789 7790 if (cb.cb_numfailed != 0) 7791 ret = -1; 7792 7793 return (ret); 7794 } 7795 7796 static int 7797 zfs_do_load_key(int argc, char **argv) 7798 { 7799 return (load_unload_keys(argc, argv, B_TRUE)); 7800 } 7801 7802 7803 static int 7804 zfs_do_unload_key(int argc, char **argv) 7805 { 7806 return (load_unload_keys(argc, argv, B_FALSE)); 7807 } 7808 7809 static int 7810 zfs_do_change_key(int argc, char **argv) 7811 { 7812 int c, ret; 7813 uint64_t keystatus; 7814 boolean_t loadkey = B_FALSE, inheritkey = B_FALSE; 7815 zfs_handle_t *zhp = NULL; 7816 nvlist_t *props = fnvlist_alloc(); 7817 7818 while ((c = getopt(argc, argv, "lio:")) != -1) { 7819 switch (c) { 7820 case 'l': 7821 loadkey = B_TRUE; 7822 break; 7823 case 'i': 7824 inheritkey = B_TRUE; 7825 break; 7826 case 'o': 7827 if (!parseprop(props, optarg)) { 7828 nvlist_free(props); 7829 return (1); 7830 } 7831 break; 7832 default: 7833 (void) fprintf(stderr, 7834 gettext("invalid option '%c'\n"), optopt); 7835 usage(B_FALSE); 7836 } 7837 } 7838 7839 if (inheritkey && !nvlist_empty(props)) { 7840 (void) fprintf(stderr, 7841 gettext("Properties not allowed for inheriting\n")); 7842 usage(B_FALSE); 7843 } 7844 7845 argc -= optind; 7846 argv += optind; 7847 7848 if (argc < 1) { 7849 (void) fprintf(stderr, gettext("Missing dataset argument\n")); 7850 usage(B_FALSE); 7851 } 7852 7853 if (argc > 1) { 7854 (void) fprintf(stderr, gettext("Too many arguments\n")); 7855 usage(B_FALSE); 7856 } 7857 7858 zhp = zfs_open(g_zfs, argv[argc - 1], 7859 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME); 7860 if (zhp == NULL) 7861 usage(B_FALSE); 7862 7863 if (loadkey) { 7864 keystatus = zfs_prop_get_int(zhp, ZFS_PROP_KEYSTATUS); 7865 if (keystatus != ZFS_KEYSTATUS_AVAILABLE) { 7866 ret = zfs_crypto_load_key(zhp, B_FALSE, NULL); 7867 if (ret != 0) { 7868 nvlist_free(props); 7869 zfs_close(zhp); 7870 return (-1); 7871 } 7872 } 7873 7874 /* refresh the properties so the new keystatus is visible */ 7875 zfs_refresh_properties(zhp); 7876 } 7877 7878 ret = zfs_crypto_rewrap(zhp, props, inheritkey); 7879 if (ret != 0) { 7880 nvlist_free(props); 7881 zfs_close(zhp); 7882 return (-1); 7883 } 7884 7885 nvlist_free(props); 7886 zfs_close(zhp); 7887 return (0); 7888 } 7889 7890 /* 7891 * 1) zfs project [-d|-r] <file|directory ...> 7892 * List project ID and inherit flag of file(s) or directories. 7893 * -d: List the directory itself, not its children. 7894 * -r: List subdirectories recursively. 7895 * 7896 * 2) zfs project -C [-k] [-r] <file|directory ...> 7897 * Clear project inherit flag and/or ID on the file(s) or directories. 7898 * -k: Keep the project ID unchanged. If not specified, the project ID 7899 * will be reset as zero. 7900 * -r: Clear on subdirectories recursively. 7901 * 7902 * 3) zfs project -c [-0] [-d|-r] [-p id] <file|directory ...> 7903 * Check project ID and inherit flag on the file(s) or directories, 7904 * report the outliers. 7905 * -0: Print file name followed by a NUL instead of newline. 7906 * -d: Check the directory itself, not its children. 7907 * -p: Specify the referenced ID for comparing with the target file(s) 7908 * or directories' project IDs. If not specified, the target (top) 7909 * directory's project ID will be used as the referenced one. 7910 * -r: Check subdirectories recursively. 7911 * 7912 * 4) zfs project [-p id] [-r] [-s] <file|directory ...> 7913 * Set project ID and/or inherit flag on the file(s) or directories. 7914 * -p: Set the project ID as the given id. 7915 * -r: Set on subdirectory recursively. If not specify "-p" option, 7916 * it will use top-level directory's project ID as the given id, 7917 * then set both project ID and inherit flag on all descendants 7918 * of the top-level directory. 7919 * -s: Set project inherit flag. 7920 */ 7921 static int 7922 zfs_do_project(int argc, char **argv) 7923 { 7924 zfs_project_control_t zpc = { 7925 .zpc_expected_projid = ZFS_INVALID_PROJID, 7926 .zpc_op = ZFS_PROJECT_OP_DEFAULT, 7927 .zpc_dironly = B_FALSE, 7928 .zpc_keep_projid = B_FALSE, 7929 .zpc_newline = B_TRUE, 7930 .zpc_recursive = B_FALSE, 7931 .zpc_set_flag = B_FALSE, 7932 }; 7933 int ret = 0, c; 7934 7935 if (argc < 2) 7936 usage(B_FALSE); 7937 7938 while ((c = getopt(argc, argv, "0Ccdkp:rs")) != -1) { 7939 switch (c) { 7940 case '0': 7941 zpc.zpc_newline = B_FALSE; 7942 break; 7943 case 'C': 7944 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { 7945 (void) fprintf(stderr, gettext("cannot " 7946 "specify '-C' '-c' '-s' together\n")); 7947 usage(B_FALSE); 7948 } 7949 7950 zpc.zpc_op = ZFS_PROJECT_OP_CLEAR; 7951 break; 7952 case 'c': 7953 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { 7954 (void) fprintf(stderr, gettext("cannot " 7955 "specify '-C' '-c' '-s' together\n")); 7956 usage(B_FALSE); 7957 } 7958 7959 zpc.zpc_op = ZFS_PROJECT_OP_CHECK; 7960 break; 7961 case 'd': 7962 zpc.zpc_dironly = B_TRUE; 7963 /* overwrite "-r" option */ 7964 zpc.zpc_recursive = B_FALSE; 7965 break; 7966 case 'k': 7967 zpc.zpc_keep_projid = B_TRUE; 7968 break; 7969 case 'p': { 7970 char *endptr; 7971 7972 errno = 0; 7973 zpc.zpc_expected_projid = strtoull(optarg, &endptr, 0); 7974 if (errno != 0 || *endptr != '\0') { 7975 (void) fprintf(stderr, 7976 gettext("project ID must be less than " 7977 "%u\n"), UINT32_MAX); 7978 usage(B_FALSE); 7979 } 7980 if (zpc.zpc_expected_projid >= UINT32_MAX) { 7981 (void) fprintf(stderr, 7982 gettext("invalid project ID\n")); 7983 usage(B_FALSE); 7984 } 7985 break; 7986 } 7987 case 'r': 7988 zpc.zpc_recursive = B_TRUE; 7989 /* overwrite "-d" option */ 7990 zpc.zpc_dironly = B_FALSE; 7991 break; 7992 case 's': 7993 if (zpc.zpc_op != ZFS_PROJECT_OP_DEFAULT) { 7994 (void) fprintf(stderr, gettext("cannot " 7995 "specify '-C' '-c' '-s' together\n")); 7996 usage(B_FALSE); 7997 } 7998 7999 zpc.zpc_set_flag = B_TRUE; 8000 zpc.zpc_op = ZFS_PROJECT_OP_SET; 8001 break; 8002 default: 8003 (void) fprintf(stderr, gettext("invalid option '%c'\n"), 8004 optopt); 8005 usage(B_FALSE); 8006 } 8007 } 8008 8009 if (zpc.zpc_op == ZFS_PROJECT_OP_DEFAULT) { 8010 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) 8011 zpc.zpc_op = ZFS_PROJECT_OP_SET; 8012 else 8013 zpc.zpc_op = ZFS_PROJECT_OP_LIST; 8014 } 8015 8016 switch (zpc.zpc_op) { 8017 case ZFS_PROJECT_OP_LIST: 8018 if (zpc.zpc_keep_projid) { 8019 (void) fprintf(stderr, 8020 gettext("'-k' is only valid together with '-C'\n")); 8021 usage(B_FALSE); 8022 } 8023 if (!zpc.zpc_newline) { 8024 (void) fprintf(stderr, 8025 gettext("'-0' is only valid together with '-c'\n")); 8026 usage(B_FALSE); 8027 } 8028 break; 8029 case ZFS_PROJECT_OP_CHECK: 8030 if (zpc.zpc_keep_projid) { 8031 (void) fprintf(stderr, 8032 gettext("'-k' is only valid together with '-C'\n")); 8033 usage(B_FALSE); 8034 } 8035 break; 8036 case ZFS_PROJECT_OP_CLEAR: 8037 if (zpc.zpc_dironly) { 8038 (void) fprintf(stderr, 8039 gettext("'-d' is useless together with '-C'\n")); 8040 usage(B_FALSE); 8041 } 8042 if (!zpc.zpc_newline) { 8043 (void) fprintf(stderr, 8044 gettext("'-0' is only valid together with '-c'\n")); 8045 usage(B_FALSE); 8046 } 8047 if (zpc.zpc_expected_projid != ZFS_INVALID_PROJID) { 8048 (void) fprintf(stderr, 8049 gettext("'-p' is useless together with '-C'\n")); 8050 usage(B_FALSE); 8051 } 8052 break; 8053 case ZFS_PROJECT_OP_SET: 8054 if (zpc.zpc_dironly) { 8055 (void) fprintf(stderr, 8056 gettext("'-d' is useless for set project ID and/or " 8057 "inherit flag\n")); 8058 usage(B_FALSE); 8059 } 8060 if (zpc.zpc_keep_projid) { 8061 (void) fprintf(stderr, 8062 gettext("'-k' is only valid together with '-C'\n")); 8063 usage(B_FALSE); 8064 } 8065 if (!zpc.zpc_newline) { 8066 (void) fprintf(stderr, 8067 gettext("'-0' is only valid together with '-c'\n")); 8068 usage(B_FALSE); 8069 } 8070 break; 8071 default: 8072 ASSERT(0); 8073 break; 8074 } 8075 8076 argv += optind; 8077 argc -= optind; 8078 if (argc == 0) { 8079 (void) fprintf(stderr, 8080 gettext("missing file or directory target(s)\n")); 8081 usage(B_FALSE); 8082 } 8083 8084 for (int i = 0; i < argc; i++) { 8085 int err; 8086 8087 err = zfs_project_handle(argv[i], &zpc); 8088 if (err && !ret) 8089 ret = err; 8090 } 8091 8092 return (ret); 8093 } 8094 8095 int 8096 main(int argc, char **argv) 8097 { 8098 int ret = 0; 8099 int i; 8100 char *progname; 8101 char *cmdname; 8102 8103 (void) setlocale(LC_ALL, ""); 8104 (void) textdomain(TEXT_DOMAIN); 8105 8106 opterr = 0; 8107 8108 if ((g_zfs = libzfs_init()) == NULL) { 8109 (void) fprintf(stderr, gettext("internal error: failed to " 8110 "initialize ZFS library\n")); 8111 return (1); 8112 } 8113 8114 zfs_save_arguments(argc, argv, history_str, sizeof (history_str)); 8115 8116 libzfs_print_on_error(g_zfs, B_TRUE); 8117 8118 if ((mnttab_file = fopen(MNTTAB, "r")) == NULL) { 8119 (void) fprintf(stderr, gettext("internal error: unable to " 8120 "open %s\n"), MNTTAB); 8121 return (1); 8122 } 8123 8124 /* 8125 * This command also doubles as the /etc/fs mount and unmount program. 8126 * Determine if we should take this behavior based on argv[0]. 8127 */ 8128 progname = basename(argv[0]); 8129 if (strcmp(progname, "mount") == 0) { 8130 ret = manual_mount(argc, argv); 8131 } else if (strcmp(progname, "umount") == 0) { 8132 ret = manual_unmount(argc, argv); 8133 } else { 8134 /* 8135 * Make sure the user has specified some command. 8136 */ 8137 if (argc < 2) { 8138 (void) fprintf(stderr, gettext("missing command\n")); 8139 usage(B_FALSE); 8140 } 8141 8142 cmdname = argv[1]; 8143 8144 /* 8145 * The 'umount' command is an alias for 'unmount' 8146 */ 8147 if (strcmp(cmdname, "umount") == 0) 8148 cmdname = "unmount"; 8149 8150 /* 8151 * The 'recv' command is an alias for 'receive' 8152 */ 8153 if (strcmp(cmdname, "recv") == 0) 8154 cmdname = "receive"; 8155 8156 /* 8157 * The 'snap' command is an alias for 'snapshot' 8158 */ 8159 if (strcmp(cmdname, "snap") == 0) 8160 cmdname = "snapshot"; 8161 8162 /* 8163 * Special case '-?' 8164 */ 8165 if (strcmp(cmdname, "-?") == 0) 8166 usage(B_TRUE); 8167 8168 /* 8169 * Run the appropriate command. 8170 */ 8171 libzfs_mnttab_cache(g_zfs, B_TRUE); 8172 if (find_command_idx(cmdname, &i) == 0) { 8173 current_command = &command_table[i]; 8174 ret = command_table[i].func(argc - 1, argv + 1); 8175 } else if (strchr(cmdname, '=') != NULL) { 8176 verify(find_command_idx("set", &i) == 0); 8177 current_command = &command_table[i]; 8178 ret = command_table[i].func(argc, argv); 8179 } else { 8180 (void) fprintf(stderr, gettext("unrecognized " 8181 "command '%s'\n"), cmdname); 8182 usage(B_FALSE); 8183 } 8184 libzfs_mnttab_cache(g_zfs, B_FALSE); 8185 } 8186 8187 (void) fclose(mnttab_file); 8188 8189 if (ret == 0 && log_history) 8190 (void) zpool_log_history(g_zfs, history_str); 8191 8192 libzfs_fini(g_zfs); 8193 8194 /* 8195 * The 'ZFS_ABORT' environment variable causes us to dump core on exit 8196 * for the purposes of running ::findleaks. 8197 */ 8198 if (getenv("ZFS_ABORT") != NULL) { 8199 (void) printf("dumping core by request\n"); 8200 abort(); 8201 } 8202 8203 return (ret); 8204 } 8205