]> git.proxmox.com Git - mirror_zfs.git/blame - cmd/zfs/zfs_main.c
projects / mirror_zfs.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Apply the ZoL coding standard to zpl_xattr.c
[mirror_zfs.git] / cmd / zfs / zfs_main.c
CommitLineData
34dc7c2f
BB		 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/*
428870ff 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
bb939d10 24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
34dc7c2f
BB		 25 */
26
34dc7c2f
BB		 27#include <assert.h>
28#include <ctype.h>
29#include <errno.h>
30#include <libgen.h>
31#include <libintl.h>
32#include <libuutil.h>
33#include <libnvpair.h>
34#include <locale.h>
35#include <stddef.h>
36#include <stdio.h>
37#include <stdlib.h>
38#include <strings.h>
39#include <unistd.h>
40#include <fcntl.h>
41#include <zone.h>
9babb374
BB		 42#include <grp.h>
43#include <pwd.h>
572e2857 44#include <signal.h>
0b7936d5 45#include <sys/list.h>
34dc7c2f
BB		 46#include <sys/mkdev.h>
47#include <sys/mntent.h>
48#include <sys/mnttab.h>
49#include <sys/mount.h>
50#include <sys/stat.h>
9babb374 51#include <sys/fs/zfs.h>
428870ff
BB		 52#include <sys/types.h>
53#include <time.h>
34dc7c2f
BB		 54
55#include <libzfs.h>
0b7936d5
AS		 56#include <zfs_prop.h>
57#include <zfs_deleg.h>
34dc7c2f 58#include <libuutil.h>
0b7936d5
AS		 59#ifdef HAVE_IDMAP
60#include <aclutils.h>
61#include <directory.h>
62#endif /* HAVE_IDMAP */
34dc7c2f
BB		 63
64#include "zfs_iter.h"
65#include "zfs_util.h"
428870ff 66#include "zfs_comutil.h"
34dc7c2f
BB		 67
68libzfs_handle_t *g_zfs;
69
70static FILE *mnttab_file;
71static char history_str[HIS_MAX_RECORD_LEN];
72
73static int zfs_do_clone(int argc, char **argv);
74static int zfs_do_create(int argc, char **argv);
75static int zfs_do_destroy(int argc, char **argv);
76static int zfs_do_get(int argc, char **argv);
77static int zfs_do_inherit(int argc, char **argv);
78static int zfs_do_list(int argc, char **argv);
79static int zfs_do_mount(int argc, char **argv);
80static int zfs_do_rename(int argc, char **argv);
81static int zfs_do_rollback(int argc, char **argv);
82static int zfs_do_set(int argc, char **argv);
83static int zfs_do_upgrade(int argc, char **argv);
84static int zfs_do_snapshot(int argc, char **argv);
85static int zfs_do_unmount(int argc, char **argv);
86static int zfs_do_share(int argc, char **argv);
87static int zfs_do_unshare(int argc, char **argv);
88static int zfs_do_send(int argc, char **argv);
89static int zfs_do_receive(int argc, char **argv);
90static int zfs_do_promote(int argc, char **argv);
9babb374 91static int zfs_do_userspace(int argc, char **argv);
0b7936d5
AS		 92static int zfs_do_allow(int argc, char **argv);
93static int zfs_do_unallow(int argc, char **argv);
45d1cae3 94static int zfs_do_hold(int argc, char **argv);
0b7936d5 95static int zfs_do_holds(int argc, char **argv);
45d1cae3 96static int zfs_do_release(int argc, char **argv);
572e2857 97static int zfs_do_diff(int argc, char **argv);
34dc7c2f
BB		 98
99/*
b128c09f 100 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
34dc7c2f 101 */
b128c09f
BB		 102
103#ifdef DEBUG
34dc7c2f
BB		 104const char *
105_umem_debug_init(void)
106{
107 return ("default,verbose"); /* $UMEM_DEBUG setting */
108}
109
110const char *
111_umem_logging_init(void)
112{
113 return ("fail,contents"); /* $UMEM_LOGGING setting */
114}
b128c09f 115#endif
34dc7c2f
BB		 116
117typedef enum {
118 HELP_CLONE,
119 HELP_CREATE,
120 HELP_DESTROY,
121 HELP_GET,
122 HELP_INHERIT,
123 HELP_UPGRADE,
124 HELP_LIST,
125 HELP_MOUNT,
126 HELP_PROMOTE,
127 HELP_RECEIVE,
128 HELP_RENAME,
129 HELP_ROLLBACK,
130 HELP_SEND,
131 HELP_SET,
132 HELP_SHARE,
133 HELP_SNAPSHOT,
134 HELP_UNMOUNT,
135 HELP_UNSHARE,
136 HELP_ALLOW,
9babb374
BB		 137 HELP_UNALLOW,
138 HELP_USERSPACE,
45d1cae3
BB		 139 HELP_GROUPSPACE,
140 HELP_HOLD,
141 HELP_HOLDS,
572e2857
BB		 142 HELP_RELEASE,
143 HELP_DIFF
34dc7c2f
BB		 144} zfs_help_t;
145
146typedef struct zfs_command {
147 const char *name;
148 int (*func)(int argc, char **argv);
149 zfs_help_t usage;
150} zfs_command_t;
151
152/*
153 * Master command table. Each ZFS command has a name, associated function, and
154 * usage message. The usage messages need to be internationalized, so we have
155 * to have a function to return the usage message based on a command index.
156 *
157 * These commands are organized according to how they are displayed in the usage
158 * message. An empty command (one with a NULL name) indicates an empty line in
159 * the generic usage message.
160 */
161static zfs_command_t command_table[] = {
162 { "create", zfs_do_create, HELP_CREATE },
163 { "destroy", zfs_do_destroy, HELP_DESTROY },
164 { NULL },
165 { "snapshot", zfs_do_snapshot, HELP_SNAPSHOT },
166 { "rollback", zfs_do_rollback, HELP_ROLLBACK },
167 { "clone", zfs_do_clone, HELP_CLONE },
168 { "promote", zfs_do_promote, HELP_PROMOTE },
169 { "rename", zfs_do_rename, HELP_RENAME },
170 { NULL },
171 { "list", zfs_do_list, HELP_LIST },
172 { NULL },
173 { "set", zfs_do_set, HELP_SET },
428870ff 174 { "get", zfs_do_get, HELP_GET },
34dc7c2f
BB		 175 { "inherit", zfs_do_inherit, HELP_INHERIT },
176 { "upgrade", zfs_do_upgrade, HELP_UPGRADE },
9babb374
BB		 177 { "userspace", zfs_do_userspace, HELP_USERSPACE },
178 { "groupspace", zfs_do_userspace, HELP_GROUPSPACE },
34dc7c2f
BB		 179 { NULL },
180 { "mount", zfs_do_mount, HELP_MOUNT },
181 { "unmount", zfs_do_unmount, HELP_UNMOUNT },
182 { "share", zfs_do_share, HELP_SHARE },
183 { "unshare", zfs_do_unshare, HELP_UNSHARE },
184 { NULL },
185 { "send", zfs_do_send, HELP_SEND },
186 { "receive", zfs_do_receive, HELP_RECEIVE },
187 { NULL },
0b7936d5 188 { "allow", zfs_do_allow, HELP_ALLOW },
34dc7c2f 189 { NULL },
0b7936d5 190 { "unallow", zfs_do_unallow, HELP_UNALLOW },
45d1cae3
BB		 191 { NULL },
192 { "hold", zfs_do_hold, HELP_HOLD },
0b7936d5 193 { "holds", zfs_do_holds, HELP_HOLDS },
45d1cae3 194 { "release", zfs_do_release, HELP_RELEASE },
572e2857 195 { "diff", zfs_do_diff, HELP_DIFF },
34dc7c2f
BB		 196};
197
198#define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
199
200zfs_command_t *current_command;
201
202static const char *
203get_usage(zfs_help_t idx)
204{
205 switch (idx) {
206 case HELP_CLONE:
b128c09f
BB		 207 return (gettext("\tclone [-p] [-o property=value] ... "
208 "<snapshot> <filesystem|volume>\n"));
34dc7c2f
BB		 209 case HELP_CREATE:
210 return (gettext("\tcreate [-p] [-o property=value] ... "
211 "<filesystem>\n"
212 "\tcreate [-ps] [-b blocksize] [-o property=value] ... "
213 "-V <size> <volume>\n"));
214 case HELP_DESTROY:
428870ff
BB		 215 return (gettext("\tdestroy [-rRf] <filesystem|volume>\n"
216 "\tdestroy [-rRd] <snapshot>\n"));
34dc7c2f 217 case HELP_GET:
9babb374 218 return (gettext("\tget [-rHp] [-d max] "
428870ff 219 "[-o \"all\" | field[,...]] [-s source[,...]]\n"
34dc7c2f
BB		 220 "\t <\"all\" | property[,...]> "
221 "[filesystem|volume|snapshot] ...\n"));
222 case HELP_INHERIT:
428870ff 223 return (gettext("\tinherit [-rS] <property> "
b128c09f 224 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 225 case HELP_UPGRADE:
226 return (gettext("\tupgrade [-v]\n"
227 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
228 case HELP_LIST:
9babb374
BB		 229 return (gettext("\tlist [-rH][-d max] "
230 "[-o property[,...]] [-t type[,...]] [-s property] ...\n"
34dc7c2f
BB		 231 "\t [-S property] ... "
232 "[filesystem|volume|snapshot] ...\n"));
233 case HELP_MOUNT:
234 return (gettext("\tmount\n"
235 "\tmount [-vO] [-o opts] <-a | filesystem>\n"));
236 case HELP_PROMOTE:
237 return (gettext("\tpromote <clone-filesystem>\n"));
238 case HELP_RECEIVE:
428870ff 239 return (gettext("\treceive [-vnFu] <filesystem|volume|"
34dc7c2f 240 "snapshot>\n"
428870ff 241 "\treceive [-vnFu] [-d | -e] <filesystem>\n"));
34dc7c2f
BB		 242 case HELP_RENAME:
243 return (gettext("\trename <filesystem|volume|snapshot> "
244 "<filesystem|volume|snapshot>\n"
245 "\trename -p <filesystem|volume> <filesystem|volume>\n"
246 "\trename -r <snapshot> <snapshot>"));
247 case HELP_ROLLBACK:
248 return (gettext("\trollback [-rRf] <snapshot>\n"));
249 case HELP_SEND:
e0f86c98 250 return (gettext("\tsend [-vRDp] [-[iI] snapshot] <snapshot>\n"));
34dc7c2f
BB		 251 case HELP_SET:
252 return (gettext("\tset <property=value> "
b128c09f 253 "<filesystem|volume|snapshot> ...\n"));
34dc7c2f
BB		 254 case HELP_SHARE:
255 return (gettext("\tshare <-a | filesystem>\n"));
256 case HELP_SNAPSHOT:
b128c09f 257 return (gettext("\tsnapshot [-r] [-o property=value] ... "
34dc7c2f
BB		 258 "<filesystem@snapname|volume@snapname>\n"));
259 case HELP_UNMOUNT:
260 return (gettext("\tunmount [-f] "
261 "<-a | filesystem|mountpoint>\n"));
262 case HELP_UNSHARE:
45d1cae3 263 return (gettext("\tunshare "
34dc7c2f
BB		 264 "<-a | filesystem|mountpoint>\n"));
265 case HELP_ALLOW:
9babb374
BB		 266 return (gettext("\tallow <filesystem|volume>\n"
267 "\tallow [-ldug] "
34dc7c2f
BB		 268 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
269 "\t <filesystem|volume>\n"
270 "\tallow [-ld] -e <perm|@setname>[,...] "
271 "<filesystem|volume>\n"
272 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
273 "\tallow -s @setname <perm|@setname>[,...] "
274 "<filesystem|volume>\n"));
275 case HELP_UNALLOW:
276 return (gettext("\tunallow [-rldug] "
277 "<\"everyone\"|user|group>[,...]\n"
278 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
279 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
280 "<filesystem|volume>\n"
281 "\tunallow [-r] -c [<perm|@setname>[,...]] "
282 "<filesystem|volume>\n"
283 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
284 "<filesystem|volume>\n"));
9babb374
BB		 285 case HELP_USERSPACE:
286 return (gettext("\tuserspace [-hniHp] [-o field[,...]] "
287 "[-sS field] ... [-t type[,...]]\n"
288 "\t <filesystem|snapshot>\n"));
289 case HELP_GROUPSPACE:
290 return (gettext("\tgroupspace [-hniHpU] [-o field[,...]] "
291 "[-sS field] ... [-t type[,...]]\n"
292 "\t <filesystem|snapshot>\n"));
45d1cae3
BB		 293 case HELP_HOLD:
294 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
295 case HELP_HOLDS:
296 return (gettext("\tholds [-r] <snapshot> ...\n"));
297 case HELP_RELEASE:
298 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
572e2857
BB		 299 case HELP_DIFF:
300 return (gettext("\tdiff [-FHt] <snapshot> "
301 "[snapshot|filesystem]\n"));
34dc7c2f
BB		 302 }
303
304 abort();
305 /* NOTREACHED */
306}
307
428870ff
BB		 308void
309nomem(void)
310{
311 (void) fprintf(stderr, gettext("internal error: out of memory\n"));
312 exit(1);
313}
314
34dc7c2f
BB		 315/*
316 * Utility function to guarantee malloc() success.
317 */
428870ff 318
34dc7c2f
BB		 319void *
320safe_malloc(size_t size)
321{
322 void *data;
323
428870ff
BB		 324 if ((data = calloc(1, size)) == NULL)
325 nomem();
34dc7c2f
BB		 326
327 return (data);
328}
329
428870ff
BB		 330static char *
331safe_strdup(char *str)
332{
333 char *dupstr = strdup(str);
334
335 if (dupstr == NULL)
336 nomem();
337
338 return (dupstr);
339}
340
34dc7c2f
BB		 341/*
342 * Callback routine that will print out information for each of
343 * the properties.
344 */
345static int
346usage_prop_cb(int prop, void *cb)
347{
348 FILE *fp = cb;
349
b128c09f 350 (void) fprintf(fp, "\t%-15s ", zfs_prop_to_name(prop));
34dc7c2f 351
b128c09f
BB		 352 if (zfs_prop_readonly(prop))
353 (void) fprintf(fp, " NO ");
34dc7c2f 354 else
b128c09f 355 (void) fprintf(fp, "YES ");
34dc7c2f
BB		 356
357 if (zfs_prop_inheritable(prop))
358 (void) fprintf(fp, " YES ");
359 else
360 (void) fprintf(fp, " NO ");
361
362 if (zfs_prop_values(prop) == NULL)
363 (void) fprintf(fp, "-\n");
364 else
365 (void) fprintf(fp, "%s\n", zfs_prop_values(prop));
366
367 return (ZPROP_CONT);
368}
369
370/*
371 * Display usage message. If we're inside a command, display only the usage for
372 * that command. Otherwise, iterate over the entire command table and display
373 * a complete usage message.
374 */
375static void
376usage(boolean_t requested)
377{
378 int i;
379 boolean_t show_properties = B_FALSE;
34dc7c2f
BB		 380 FILE *fp = requested ? stdout : stderr;
381
382 if (current_command == NULL) {
383
384 (void) fprintf(fp, gettext("usage: zfs command args ...\n"));
385 (void) fprintf(fp,
386 gettext("where 'command' is one of the following:\n\n"));
387
388 for (i = 0; i < NCOMMAND; i++) {
389 if (command_table[i].name == NULL)
390 (void) fprintf(fp, "\n");
391 else
392 (void) fprintf(fp, "%s",
393 get_usage(command_table[i].usage));
394 }
395
396 (void) fprintf(fp, gettext("\nEach dataset is of the form: "
397 "pool/[dataset/]*dataset[@name]\n"));
398 } else {
399 (void) fprintf(fp, gettext("usage:\n"));
400 (void) fprintf(fp, "%s", get_usage(current_command->usage));
401 }
402
403 if (current_command != NULL &&
404 (strcmp(current_command->name, "set") == 0 ||
405 strcmp(current_command->name, "get") == 0 ||
406 strcmp(current_command->name, "inherit") == 0 ||
407 strcmp(current_command->name, "list") == 0))
408 show_properties = B_TRUE;
409
34dc7c2f 410 if (show_properties) {
34dc7c2f
BB		 411 (void) fprintf(fp,
412 gettext("\nThe following properties are supported:\n"));
413
414 (void) fprintf(fp, "\n\t%-14s %s %s %s\n\n",
415 "PROPERTY", "EDIT", "INHERIT", "VALUES");
416
417 /* Iterate over all properties */
418 (void) zprop_iter(usage_prop_cb, fp, B_FALSE, B_TRUE,
419 ZFS_TYPE_DATASET);
420
9babb374
BB		 421 (void) fprintf(fp, "\t%-15s ", "userused@...");
422 (void) fprintf(fp, " NO NO <size>\n");
423 (void) fprintf(fp, "\t%-15s ", "groupused@...");
424 (void) fprintf(fp, " NO NO <size>\n");
425 (void) fprintf(fp, "\t%-15s ", "userquota@...");
426 (void) fprintf(fp, "YES NO <size> | none\n");
427 (void) fprintf(fp, "\t%-15s ", "groupquota@...");
428 (void) fprintf(fp, "YES NO <size> | none\n");
429
34dc7c2f
BB		 430 (void) fprintf(fp, gettext("\nSizes are specified in bytes "
431 "with standard units such as K, M, G, etc.\n"));
b128c09f 432 (void) fprintf(fp, gettext("\nUser-defined properties can "
34dc7c2f 433 "be specified by using a name containing a colon (:).\n"));
9babb374
BB		 434 (void) fprintf(fp, gettext("\nThe {user|group}{used|quota}@ "
435 "properties must be appended with\n"
436 "a user or group specifier of one of these forms:\n"
437 " POSIX name (eg: \"matt\")\n"
438 " POSIX id (eg: \"126829\")\n"
439 " SMB name@domain (eg: \"matt@sun\")\n"
440 " SMB SID (eg: \"S-1-234-567-89\")\n"));
34dc7c2f 441 } else {
34dc7c2f 442 (void) fprintf(fp,
fb5f0bc8
BB		 443 gettext("\nFor the property list, run: %s\n"),
444 "zfs set|get");
34dc7c2f 445 (void) fprintf(fp,
fb5f0bc8
BB		 446 gettext("\nFor the delegated permission list, run: %s\n"),
447 "zfs allow|unallow");
34dc7c2f
BB		 448 }
449
450 /*
451 * See comments at end of main().
452 */
453 if (getenv("ZFS_ABORT") != NULL) {
454 (void) printf("dumping core by request\n");
455 abort();
456 }
457
458 exit(requested ? 0 : 2);
459}
460
b128c09f
BB		 461static int
462parseprop(nvlist_t *props)
463{
464 char *propname = optarg;
465 char *propval, *strval;
466
467 if ((propval = strchr(propname, '=')) == NULL) {
468 (void) fprintf(stderr, gettext("missing "
469 "'=' for -o option\n"));
470 return (-1);
471 }
472 *propval = '\0';
473 propval++;
474 if (nvlist_lookup_string(props, propname, &strval) == 0) {
475 (void) fprintf(stderr, gettext("property '%s' "
476 "specified multiple times\n"), propname);
477 return (-1);
478 }
428870ff
BB		 479 if (nvlist_add_string(props, propname, propval) != 0)
480 nomem();
b128c09f 481 return (0);
b128c09f
BB		 482}
483
9babb374
BB		 484static int
485parse_depth(char *opt, int *flags)
486{
487 char *tmp;
488 int depth;
489
490 depth = (int)strtol(opt, &tmp, 0);
491 if (*tmp) {
492 (void) fprintf(stderr,
493 gettext("%s is not an integer\n"), optarg);
494 usage(B_FALSE);
495 }
496 if (depth < 0) {
497 (void) fprintf(stderr,
498 gettext("Depth can not be negative.\n"));
499 usage(B_FALSE);
500 }
501 *flags |= (ZFS_ITER_DEPTH_LIMIT|ZFS_ITER_RECURSE);
502 return (depth);
503}
504
428870ff
BB		 505#define PROGRESS_DELAY 2 /* seconds */
506
507static 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";
508static time_t pt_begin;
509static char *pt_header = NULL;
510static boolean_t pt_shown;
511
512static void
513start_progress_timer(void)
514{
515 pt_begin = time(NULL) + PROGRESS_DELAY;
516 pt_shown = B_FALSE;
517}
518
519static void
520set_progress_header(char *header)
521{
522 assert(pt_header == NULL);
523 pt_header = safe_strdup(header);
524 if (pt_shown) {
525 (void) printf("%s: ", header);
526 (void) fflush(stdout);
527 }
528}
529
530static void
531update_progress(char *update)
532{
533 if (!pt_shown && time(NULL) > pt_begin) {
534 int len = strlen(update);
535
536 (void) printf("%s: %s%*.*s", pt_header, update, len, len,
537 pt_reverse);
538 (void) fflush(stdout);
539 pt_shown = B_TRUE;
540 } else if (pt_shown) {
541 int len = strlen(update);
542
543 (void) printf("%s%*.*s", update, len, len, pt_reverse);
544 (void) fflush(stdout);
545 }
546}
547
548static void
549finish_progress(char *done)
550{
551 if (pt_shown) {
552 (void) printf("%s\n", done);
553 (void) fflush(stdout);
554 }
555 free(pt_header);
556 pt_header = NULL;
557}
d603ed6c 558
34dc7c2f 559/*
b128c09f 560 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
34dc7c2f
BB		 561 *
562 * Given an existing dataset, create a writable copy whose initial contents
563 * are the same as the source. The newly created dataset maintains a
564 * dependency on the original; the original cannot be destroyed so long as
565 * the clone exists.
566 *
567 * The '-p' flag creates all the non-existing ancestors of the target first.
568 */
569static int
570zfs_do_clone(int argc, char **argv)
571{
b128c09f 572 zfs_handle_t *zhp = NULL;
34dc7c2f 573 boolean_t parents = B_FALSE;
b128c09f 574 nvlist_t *props;
34dc7c2f
BB		 575 int ret;
576 int c;
577
428870ff
BB		 578 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
579 nomem();
b128c09f 580
34dc7c2f 581 /* check options */
b128c09f 582 while ((c = getopt(argc, argv, "o:p")) != -1) {
34dc7c2f 583 switch (c) {
b128c09f
BB		 584 case 'o':
585 if (parseprop(props))
586 return (1);
587 break;
34dc7c2f
BB		 588 case 'p':
589 parents = B_TRUE;
590 break;
591 case '?':
592 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
593 optopt);
b128c09f 594 goto usage;
34dc7c2f
BB		 595 }
596 }
597
598 argc -= optind;
599 argv += optind;
600
601 /* check number of arguments */
602 if (argc < 1) {
603 (void) fprintf(stderr, gettext("missing source dataset "
604 "argument\n"));
b128c09f 605 goto usage;
34dc7c2f
BB		 606 }
607 if (argc < 2) {
608 (void) fprintf(stderr, gettext("missing target dataset "
609 "argument\n"));
b128c09f 610 goto usage;
34dc7c2f
BB		 611 }
612 if (argc > 2) {
613 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 614 goto usage;
34dc7c2f
BB		 615 }
616
617 /* open the source dataset */
618 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
619 return (1);
620
621 if (parents && zfs_name_valid(argv[1], ZFS_TYPE_FILESYSTEM |
622 ZFS_TYPE_VOLUME)) {
623 /*
624 * Now create the ancestors of the target dataset. If the
625 * target already exists and '-p' option was used we should not
626 * complain.
627 */
628 if (zfs_dataset_exists(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM |
629 ZFS_TYPE_VOLUME))
630 return (0);
631 if (zfs_create_ancestors(g_zfs, argv[1]) != 0)
632 return (1);
633 }
634
635 /* pass to libzfs */
b128c09f 636 ret = zfs_clone(zhp, argv[1], props);
34dc7c2f
BB		 637
638 /* create the mountpoint if necessary */
639 if (ret == 0) {
640 zfs_handle_t *clone;
641
642 clone = zfs_open(g_zfs, argv[1], ZFS_TYPE_DATASET);
643 if (clone != NULL) {
572e2857
BB		 644 if (zfs_get_type(clone) != ZFS_TYPE_VOLUME)
645 if ((ret = zfs_mount(clone, NULL, 0)) == 0)
646 ret = zfs_share(clone);
34dc7c2f
BB		 647 zfs_close(clone);
648 }
649 }
650
651 zfs_close(zhp);
b128c09f 652 nvlist_free(props);
34dc7c2f 653
b128c09f
BB		 654 return (!!ret);
655
656usage:
657 if (zhp)
658 zfs_close(zhp);
659 nvlist_free(props);
660 usage(B_FALSE);
661 return (-1);
34dc7c2f
BB		 662}
663
664/*
665 * zfs create [-p] [-o prop=value] ... fs
666 * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size
667 *
668 * Create a new dataset. This command can be used to create filesystems
669 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
670 * For volumes, the user must specify a size to be used.
671 *
672 * The '-s' flag applies only to volumes, and indicates that we should not try
673 * to set the reservation for this volume. By default we set a reservation
674 * equal to the size for any volume. For pools with SPA_VERSION >=
675 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
676 *
677 * The '-p' flag creates all the non-existing ancestors of the target first.
678 */
679static int
680zfs_do_create(int argc, char **argv)
681{
682 zfs_type_t type = ZFS_TYPE_FILESYSTEM;
683 zfs_handle_t *zhp = NULL;
d4ed6673 684 uint64_t volsize = 0;
34dc7c2f
BB		 685 int c;
686 boolean_t noreserve = B_FALSE;
687 boolean_t bflag = B_FALSE;
688 boolean_t parents = B_FALSE;
689 int ret = 1;
b128c09f 690 nvlist_t *props;
34dc7c2f 691 uint64_t intval;
572e2857 692 int canmount = ZFS_CANMOUNT_OFF;
34dc7c2f 693
428870ff
BB		 694 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
695 nomem();
34dc7c2f
BB		 696
697 /* check options */
698 while ((c = getopt(argc, argv, ":V:b:so:p")) != -1) {
699 switch (c) {
700 case 'V':
701 type = ZFS_TYPE_VOLUME;
702 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
703 (void) fprintf(stderr, gettext("bad volume "
704 "size '%s': %s\n"), optarg,
705 libzfs_error_description(g_zfs));
706 goto error;
707 }
708
709 if (nvlist_add_uint64(props,
428870ff
BB		 710 zfs_prop_to_name(ZFS_PROP_VOLSIZE), intval) != 0)
711 nomem();
34dc7c2f
BB		 712 volsize = intval;
713 break;
714 case 'p':
715 parents = B_TRUE;
716 break;
717 case 'b':
718 bflag = B_TRUE;
719 if (zfs_nicestrtonum(g_zfs, optarg, &intval) != 0) {
720 (void) fprintf(stderr, gettext("bad volume "
721 "block size '%s': %s\n"), optarg,
722 libzfs_error_description(g_zfs));
723 goto error;
724 }
725
726 if (nvlist_add_uint64(props,
727 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
428870ff
BB		 728 intval) != 0)
729 nomem();
34dc7c2f
BB		 730 break;
731 case 'o':
b128c09f 732 if (parseprop(props))
34dc7c2f 733 goto error;
34dc7c2f
BB		 734 break;
735 case 's':
736 noreserve = B_TRUE;
737 break;
738 case ':':
739 (void) fprintf(stderr, gettext("missing size "
740 "argument\n"));
741 goto badusage;
742 break;
743 case '?':
744 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
745 optopt);
746 goto badusage;
747 }
748 }
749
750 if ((bflag || noreserve) && type != ZFS_TYPE_VOLUME) {
751 (void) fprintf(stderr, gettext("'-s' and '-b' can only be "
752 "used when creating a volume\n"));
753 goto badusage;
754 }
755
756 argc -= optind;
757 argv += optind;
758
759 /* check number of arguments */
760 if (argc == 0) {
761 (void) fprintf(stderr, gettext("missing %s argument\n"),
762 zfs_type_to_name(type));
763 goto badusage;
764 }
765 if (argc > 1) {
766 (void) fprintf(stderr, gettext("too many arguments\n"));
767 goto badusage;
768 }
769
770 if (type == ZFS_TYPE_VOLUME && !noreserve) {
771 zpool_handle_t *zpool_handle;
772 uint64_t spa_version;
773 char *p;
774 zfs_prop_t resv_prop;
b128c09f 775 char *strval;
34dc7c2f 776
c65aa5b2 777 if ((p = strchr(argv[0], '/')))
34dc7c2f
BB		 778 *p = '\0';
779 zpool_handle = zpool_open(g_zfs, argv[0]);
780 if (p != NULL)
781 *p = '/';
782 if (zpool_handle == NULL)
783 goto error;
784 spa_version = zpool_get_prop_int(zpool_handle,
785 ZPOOL_PROP_VERSION, NULL);
786 zpool_close(zpool_handle);
787 if (spa_version >= SPA_VERSION_REFRESERVATION)
788 resv_prop = ZFS_PROP_REFRESERVATION;
789 else
790 resv_prop = ZFS_PROP_RESERVATION;
428870ff 791 volsize = zvol_volsize_to_reservation(volsize, props);
34dc7c2f
BB		 792
793 if (nvlist_lookup_string(props, zfs_prop_to_name(resv_prop),
794 &strval) != 0) {
795 if (nvlist_add_uint64(props,
796 zfs_prop_to_name(resv_prop), volsize) != 0) {
34dc7c2f 797 nvlist_free(props);
428870ff 798 nomem();
34dc7c2f
BB		 799 }
800 }
801 }
802
803 if (parents && zfs_name_valid(argv[0], type)) {
804 /*
805 * Now create the ancestors of target dataset. If the target
806 * already exists and '-p' option was used we should not
807 * complain.
808 */
809 if (zfs_dataset_exists(g_zfs, argv[0], type)) {
810 ret = 0;
811 goto error;
812 }
813 if (zfs_create_ancestors(g_zfs, argv[0]) != 0)
814 goto error;
815 }
816
817 /* pass to libzfs */
818 if (zfs_create(g_zfs, argv[0], type, props) != 0)
819 goto error;
820
821 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
822 goto error;
572e2857
BB		 823
824 ret = 0;
34dc7c2f
BB		 825 /*
826 * if the user doesn't want the dataset automatically mounted,
827 * then skip the mount/share step
828 */
572e2857
BB		 829 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT, type))
830 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
34dc7c2f
BB		 831
832 /*
833 * Mount and/or share the new filesystem as appropriate. We provide a
834 * verbose error message to let the user know that their filesystem was
835 * in fact created, even if we failed to mount or share it.
836 */
34dc7c2f
BB		 837 if (canmount == ZFS_CANMOUNT_ON) {
838 if (zfs_mount(zhp, NULL, 0) != 0) {
839 (void) fprintf(stderr, gettext("filesystem "
840 "successfully created, but not mounted\n"));
841 ret = 1;
842 } else if (zfs_share(zhp) != 0) {
843 (void) fprintf(stderr, gettext("filesystem "
844 "successfully created, but not shared\n"));
845 ret = 1;
846 }
847 }
848
849error:
850 if (zhp)
851 zfs_close(zhp);
852 nvlist_free(props);
853 return (ret);
854badusage:
855 nvlist_free(props);
856 usage(B_FALSE);
857 return (2);
858}
859
860/*
428870ff
BB		 861 * zfs destroy [-rRf] <fs, vol>
862 * zfs destroy [-rRd] <snap>
34dc7c2f 863 *
428870ff
BB		 864 * -r Recursively destroy all children
865 * -R Recursively destroy all dependents, including clones
866 * -f Force unmounting of any dependents
45d1cae3 867 * -d If we can't destroy now, mark for deferred destruction
34dc7c2f
BB		 868 *
869 * Destroys the given dataset. By default, it will unmount any filesystems,
870 * and refuse to destroy a dataset that has any dependents. A dependent can
871 * either be a child, or a clone of a child.
872 */
873typedef struct destroy_cbdata {
874 boolean_t cb_first;
875 int cb_force;
876 int cb_recurse;
877 int cb_error;
878 int cb_needforce;
879 int cb_doclones;
880 boolean_t cb_closezhp;
881 zfs_handle_t *cb_target;
882 char *cb_snapname;
45d1cae3 883 boolean_t cb_defer_destroy;
34dc7c2f
BB		 884} destroy_cbdata_t;
885
886/*
887 * Check for any dependents based on the '-r' or '-R' flags.
888 */
889static int
890destroy_check_dependent(zfs_handle_t *zhp, void *data)
891{
892 destroy_cbdata_t *cbp = data;
893 const char *tname = zfs_get_name(cbp->cb_target);
894 const char *name = zfs_get_name(zhp);
895
896 if (strncmp(tname, name, strlen(tname)) == 0 &&
897 (name[strlen(tname)] == '/' || name[strlen(tname)] == '@')) {
898 /*
899 * This is a direct descendant, not a clone somewhere else in
900 * the hierarchy.
901 */
902 if (cbp->cb_recurse)
903 goto out;
904
905 if (cbp->cb_first) {
906 (void) fprintf(stderr, gettext("cannot destroy '%s': "
907 "%s has children\n"),
908 zfs_get_name(cbp->cb_target),
909 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
910 (void) fprintf(stderr, gettext("use '-r' to destroy "
911 "the following datasets:\n"));
912 cbp->cb_first = B_FALSE;
913 cbp->cb_error = 1;
914 }
915
916 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
917 } else {
918 /*
919 * This is a clone. We only want to report this if the '-r'
920 * wasn't specified, or the target is a snapshot.
921 */
922 if (!cbp->cb_recurse &&
923 zfs_get_type(cbp->cb_target) != ZFS_TYPE_SNAPSHOT)
924 goto out;
925
926 if (cbp->cb_first) {
927 (void) fprintf(stderr, gettext("cannot destroy '%s': "
928 "%s has dependent clones\n"),
929 zfs_get_name(cbp->cb_target),
930 zfs_type_to_name(zfs_get_type(cbp->cb_target)));
931 (void) fprintf(stderr, gettext("use '-R' to destroy "
932 "the following datasets:\n"));
933 cbp->cb_first = B_FALSE;
934 cbp->cb_error = 1;
935 }
936
937 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
938 }
939
940out:
941 zfs_close(zhp);
942 return (0);
943}
944
945static int
946destroy_callback(zfs_handle_t *zhp, void *data)
947{
948 destroy_cbdata_t *cbp = data;
949
950 /*
951 * Ignore pools (which we've already flagged as an error before getting
428870ff 952 * here).
34dc7c2f
BB		 953 */
954 if (strchr(zfs_get_name(zhp), '/') == NULL &&
955 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
956 zfs_close(zhp);
957 return (0);
958 }
959
960 /*
961 * Bail out on the first error.
962 */
963 if (zfs_unmount(zhp, NULL, cbp->cb_force ? MS_FORCE : 0) != 0 ||
45d1cae3 964 zfs_destroy(zhp, cbp->cb_defer_destroy) != 0) {
34dc7c2f
BB		 965 zfs_close(zhp);
966 return (-1);
967 }
968
969 zfs_close(zhp);
970 return (0);
971}
972
973static int
974destroy_snap_clones(zfs_handle_t *zhp, void *arg)
975{
976 destroy_cbdata_t *cbp = arg;
977 char thissnap[MAXPATHLEN];
978 zfs_handle_t *szhp;
979 boolean_t closezhp = cbp->cb_closezhp;
980 int rv;
981
982 (void) snprintf(thissnap, sizeof (thissnap),
983 "%s@%s", zfs_get_name(zhp), cbp->cb_snapname);
984
985 libzfs_print_on_error(g_zfs, B_FALSE);
986 szhp = zfs_open(g_zfs, thissnap, ZFS_TYPE_SNAPSHOT);
987 libzfs_print_on_error(g_zfs, B_TRUE);
988 if (szhp) {
989 /*
990 * Destroy any clones of this snapshot
991 */
992 if (zfs_iter_dependents(szhp, B_FALSE, destroy_callback,
993 cbp) != 0) {
994 zfs_close(szhp);
995 if (closezhp)
996 zfs_close(zhp);
997 return (-1);
998 }
999 zfs_close(szhp);
1000 }
1001
1002 cbp->cb_closezhp = B_TRUE;
1003 rv = zfs_iter_filesystems(zhp, destroy_snap_clones, arg);
1004 if (closezhp)
1005 zfs_close(zhp);
1006 return (rv);
1007}
1008
1009static int
1010zfs_do_destroy(int argc, char **argv)
1011{
1012 destroy_cbdata_t cb = { 0 };
1013 int c;
1014 zfs_handle_t *zhp;
1015 char *cp;
428870ff 1016 zfs_type_t type = ZFS_TYPE_DATASET;
34dc7c2f
BB		 1017
1018 /* check options */
45d1cae3 1019 while ((c = getopt(argc, argv, "dfrR")) != -1) {
34dc7c2f 1020 switch (c) {
45d1cae3
BB		 1021 case 'd':
1022 cb.cb_defer_destroy = B_TRUE;
428870ff 1023 type = ZFS_TYPE_SNAPSHOT;
45d1cae3 1024 break;
34dc7c2f
BB		 1025 case 'f':
1026 cb.cb_force = 1;
1027 break;
1028 case 'r':
1029 cb.cb_recurse = 1;
1030 break;
1031 case 'R':
1032 cb.cb_recurse = 1;
1033 cb.cb_doclones = 1;
1034 break;
1035 case '?':
1036 default:
1037 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1038 optopt);
1039 usage(B_FALSE);
1040 }
1041 }
1042
1043 argc -= optind;
1044 argv += optind;
1045
1046 /* check number of arguments */
1047 if (argc == 0) {
1048 (void) fprintf(stderr, gettext("missing path argument\n"));
1049 usage(B_FALSE);
1050 }
1051 if (argc > 1) {
1052 (void) fprintf(stderr, gettext("too many arguments\n"));
1053 usage(B_FALSE);
1054 }
1055
1056 /*
1057 * If we are doing recursive destroy of a snapshot, then the
1058 * named snapshot may not exist. Go straight to libzfs.
1059 */
1060 if (cb.cb_recurse && (cp = strchr(argv[0], '@'))) {
1061 int ret;
1062
1063 *cp = '\0';
1064 if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
1065 return (1);
1066 *cp = '@';
1067 cp++;
1068
1069 if (cb.cb_doclones) {
428870ff
BB		 1070 boolean_t defer = cb.cb_defer_destroy;
1071
1072 /*
1073 * Temporarily ignore the defer_destroy setting since
1074 * it's not supported for clones.
1075 */
1076 cb.cb_defer_destroy = B_FALSE;
34dc7c2f
BB		 1077 cb.cb_snapname = cp;
1078 if (destroy_snap_clones(zhp, &cb) != 0) {
1079 zfs_close(zhp);
1080 return (1);
1081 }
428870ff 1082 cb.cb_defer_destroy = defer;
34dc7c2f
BB		 1083 }
1084
45d1cae3 1085 ret = zfs_destroy_snaps(zhp, cp, cb.cb_defer_destroy);
34dc7c2f
BB		 1086 zfs_close(zhp);
1087 if (ret) {
1088 (void) fprintf(stderr,
1089 gettext("no snapshots destroyed\n"));
1090 }
1091 return (ret != 0);
1092 }
1093
34dc7c2f 1094 /* Open the given dataset */
428870ff 1095 if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
34dc7c2f
BB		 1096 return (1);
1097
1098 cb.cb_target = zhp;
1099
1100 /*
1101 * Perform an explicit check for pools before going any further.
1102 */
1103 if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
1104 zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
1105 (void) fprintf(stderr, gettext("cannot destroy '%s': "
1106 "operation does not apply to pools\n"),
1107 zfs_get_name(zhp));
1108 (void) fprintf(stderr, gettext("use 'zfs destroy -r "
1109 "%s' to destroy all datasets in the pool\n"),
1110 zfs_get_name(zhp));
1111 (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
1112 "to destroy the pool itself\n"), zfs_get_name(zhp));
1113 zfs_close(zhp);
1114 return (1);
1115 }
1116
1117 /*
1118 * Check for any dependents and/or clones.
1119 */
1120 cb.cb_first = B_TRUE;
45d1cae3 1121 if (!cb.cb_doclones && !cb.cb_defer_destroy &&
34dc7c2f
BB		 1122 zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
1123 &cb) != 0) {
1124 zfs_close(zhp);
1125 return (1);
1126 }
1127
45d1cae3
BB		 1128 if (cb.cb_error || (!cb.cb_defer_destroy &&
1129 (zfs_iter_dependents(zhp, B_FALSE, destroy_callback, &cb) != 0))) {
34dc7c2f
BB		 1130 zfs_close(zhp);
1131 return (1);
1132 }
1133
1134 /*
1135 * Do the real thing. The callback will close the handle regardless of
1136 * whether it succeeds or not.
1137 */
1138
1139 if (destroy_callback(zhp, &cb) != 0)
1140 return (1);
1141
34dc7c2f
BB		 1142 return (0);
1143}
1144
428870ff
BB		 1145static boolean_t
1146is_recvd_column(zprop_get_cbdata_t *cbp)
1147{
1148 int i;
1149 zfs_get_column_t col;
1150
1151 for (i = 0; i < ZFS_GET_NCOLS &&
1152 (col = cbp->cb_columns[i]) != GET_COL_NONE; i++)
1153 if (col == GET_COL_RECVD)
1154 return (B_TRUE);
1155 return (B_FALSE);
1156}
1157
34dc7c2f 1158/*
428870ff
BB		 1159 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1160 * < all | property[,property]... > < fs | snap | vol > ...
34dc7c2f
BB		 1161 *
1162 * -r recurse over any child datasets
1163 * -H scripted mode. Headers are stripped, and fields are separated
1164 * by tabs instead of spaces.
428870ff
BB		 1165 * -o Set of fields to display. One of "name,property,value,
1166 * received,source". Default is "name,property,value,source".
1167 * "all" is an alias for all five.
34dc7c2f 1168 * -s Set of sources to allow. One of
428870ff
BB		 1169 * "local,default,inherited,received,temporary,none". Default is
1170 * all six.
34dc7c2f
BB		 1171 * -p Display values in parsable (literal) format.
1172 *
1173 * Prints properties for the given datasets. The user can control which
1174 * columns to display as well as which property types to allow.
1175 */
1176
1177/*
1178 * Invoked to display the properties for a single dataset.
1179 */
1180static int
1181get_callback(zfs_handle_t *zhp, void *data)
1182{
1183 char buf[ZFS_MAXPROPLEN];
428870ff 1184 char rbuf[ZFS_MAXPROPLEN];
34dc7c2f
BB		 1185 zprop_source_t sourcetype;
1186 char source[ZFS_MAXNAMELEN];
1187 zprop_get_cbdata_t *cbp = data;
428870ff 1188 nvlist_t *user_props = zfs_get_user_props(zhp);
34dc7c2f
BB		 1189 zprop_list_t *pl = cbp->cb_proplist;
1190 nvlist_t *propval;
1191 char *strval;
1192 char *sourceval;
428870ff 1193 boolean_t received = is_recvd_column(cbp);
34dc7c2f
BB		 1194
1195 for (; pl != NULL; pl = pl->pl_next) {
428870ff 1196 char *recvdval = NULL;
34dc7c2f
BB		 1197 /*
1198 * Skip the special fake placeholder. This will also skip over
1199 * the name property when 'all' is specified.
1200 */
1201 if (pl->pl_prop == ZFS_PROP_NAME &&
1202 pl == cbp->cb_proplist)
1203 continue;
1204
1205 if (pl->pl_prop != ZPROP_INVAL) {
1206 if (zfs_prop_get(zhp, pl->pl_prop, buf,
1207 sizeof (buf), &sourcetype, source,
1208 sizeof (source),
1209 cbp->cb_literal) != 0) {
1210 if (pl->pl_all)
1211 continue;
1212 if (!zfs_prop_valid_for_type(pl->pl_prop,
1213 ZFS_TYPE_DATASET)) {
1214 (void) fprintf(stderr,
1215 gettext("No such property '%s'\n"),
1216 zfs_prop_to_name(pl->pl_prop));
1217 continue;
1218 }
1219 sourcetype = ZPROP_SRC_NONE;
1220 (void) strlcpy(buf, "-", sizeof (buf));
1221 }
1222
428870ff
BB		 1223 if (received && (zfs_prop_get_recvd(zhp,
1224 zfs_prop_to_name(pl->pl_prop), rbuf, sizeof (rbuf),
1225 cbp->cb_literal) == 0))
1226 recvdval = rbuf;
1227
34dc7c2f
BB		 1228 zprop_print_one_property(zfs_get_name(zhp), cbp,
1229 zfs_prop_to_name(pl->pl_prop),
428870ff 1230 buf, sourcetype, source, recvdval);
9babb374
BB		 1231 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
1232 sourcetype = ZPROP_SRC_LOCAL;
1233
1234 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
1235 buf, sizeof (buf), cbp->cb_literal) != 0) {
1236 sourcetype = ZPROP_SRC_NONE;
1237 (void) strlcpy(buf, "-", sizeof (buf));
1238 }
1239
1240 zprop_print_one_property(zfs_get_name(zhp), cbp,
428870ff 1241 pl->pl_user_prop, buf, sourcetype, source, NULL);
34dc7c2f 1242 } else {
428870ff 1243 if (nvlist_lookup_nvlist(user_props,
34dc7c2f
BB		 1244 pl->pl_user_prop, &propval) != 0) {
1245 if (pl->pl_all)
1246 continue;
1247 sourcetype = ZPROP_SRC_NONE;
1248 strval = "-";
1249 } else {
1250 verify(nvlist_lookup_string(propval,
1251 ZPROP_VALUE, &strval) == 0);
1252 verify(nvlist_lookup_string(propval,
1253 ZPROP_SOURCE, &sourceval) == 0);
1254
1255 if (strcmp(sourceval,
1256 zfs_get_name(zhp)) == 0) {
1257 sourcetype = ZPROP_SRC_LOCAL;
428870ff
BB		 1258 } else if (strcmp(sourceval,
1259 ZPROP_SOURCE_VAL_RECVD) == 0) {
1260 sourcetype = ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1261 } else {
1262 sourcetype = ZPROP_SRC_INHERITED;
1263 (void) strlcpy(source,
1264 sourceval, sizeof (source));
1265 }
1266 }
1267
428870ff
BB		 1268 if (received && (zfs_prop_get_recvd(zhp,
1269 pl->pl_user_prop, rbuf, sizeof (rbuf),
1270 cbp->cb_literal) == 0))
1271 recvdval = rbuf;
1272
34dc7c2f
BB		 1273 zprop_print_one_property(zfs_get_name(zhp), cbp,
1274 pl->pl_user_prop, strval, sourcetype,
428870ff 1275 source, recvdval);
34dc7c2f
BB		 1276 }
1277 }
1278
1279 return (0);
1280}
1281
1282static int
1283zfs_do_get(int argc, char **argv)
1284{
1285 zprop_get_cbdata_t cb = { 0 };
bb939d10 1286 int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 1287 char *value, *fields;
1288 int ret;
9babb374 1289 int limit = 0;
34dc7c2f
BB		 1290 zprop_list_t fake_name = { 0 };
1291
1292 /*
1293 * Set up default columns and sources.
1294 */
1295 cb.cb_sources = ZPROP_SRC_ALL;
1296 cb.cb_columns[0] = GET_COL_NAME;
1297 cb.cb_columns[1] = GET_COL_PROPERTY;
1298 cb.cb_columns[2] = GET_COL_VALUE;
1299 cb.cb_columns[3] = GET_COL_SOURCE;
1300 cb.cb_type = ZFS_TYPE_DATASET;
1301
1302 /* check options */
9babb374 1303 while ((c = getopt(argc, argv, ":d:o:s:rHp")) != -1) {
34dc7c2f
BB		 1304 switch (c) {
1305 case 'p':
1306 cb.cb_literal = B_TRUE;
1307 break;
9babb374
BB		 1308 case 'd':
1309 limit = parse_depth(optarg, &flags);
1310 break;
34dc7c2f 1311 case 'r':
b128c09f 1312 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 1313 break;
1314 case 'H':
1315 cb.cb_scripted = B_TRUE;
1316 break;
1317 case ':':
1318 (void) fprintf(stderr, gettext("missing argument for "
1319 "'%c' option\n"), optopt);
1320 usage(B_FALSE);
1321 break;
1322 case 'o':
1323 /*
1324 * Process the set of columns to display. We zero out
1325 * the structure to give us a blank slate.
1326 */
1327 bzero(&cb.cb_columns, sizeof (cb.cb_columns));
1328 i = 0;
1329 while (*optarg != '\0') {
1330 static char *col_subopts[] =
428870ff
BB		 1331 { "name", "property", "value", "received",
1332 "source", "all", NULL };
34dc7c2f 1333
428870ff 1334 if (i == ZFS_GET_NCOLS) {
34dc7c2f
BB		 1335 (void) fprintf(stderr, gettext("too "
1336 "many fields given to -o "
1337 "option\n"));
1338 usage(B_FALSE);
1339 }
1340
1341 switch (getsubopt(&optarg, col_subopts,
1342 &value)) {
1343 case 0:
1344 cb.cb_columns[i++] = GET_COL_NAME;
1345 break;
1346 case 1:
1347 cb.cb_columns[i++] = GET_COL_PROPERTY;
1348 break;
1349 case 2:
1350 cb.cb_columns[i++] = GET_COL_VALUE;
1351 break;
1352 case 3:
428870ff
BB		 1353 cb.cb_columns[i++] = GET_COL_RECVD;
1354 flags |= ZFS_ITER_RECVD_PROPS;
1355 break;
1356 case 4:
34dc7c2f
BB		 1357 cb.cb_columns[i++] = GET_COL_SOURCE;
1358 break;
428870ff
BB		 1359 case 5:
1360 if (i > 0) {
1361 (void) fprintf(stderr,
1362 gettext("\"all\" conflicts "
1363 "with specific fields "
1364 "given to -o option\n"));
1365 usage(B_FALSE);
1366 }
1367 cb.cb_columns[0] = GET_COL_NAME;
1368 cb.cb_columns[1] = GET_COL_PROPERTY;
1369 cb.cb_columns[2] = GET_COL_VALUE;
1370 cb.cb_columns[3] = GET_COL_RECVD;
1371 cb.cb_columns[4] = GET_COL_SOURCE;
1372 flags |= ZFS_ITER_RECVD_PROPS;
1373 i = ZFS_GET_NCOLS;
1374 break;
34dc7c2f
BB		 1375 default:
1376 (void) fprintf(stderr,
1377 gettext("invalid column name "
1378 "'%s'\n"), value);
1379 usage(B_FALSE);
1380 }
1381 }
1382 break;
1383
1384 case 's':
1385 cb.cb_sources = 0;
1386 while (*optarg != '\0') {
1387 static char *source_subopts[] = {
1388 "local", "default", "inherited",
428870ff
BB		 1389 "received", "temporary", "none",
1390 NULL };
34dc7c2f
BB		 1391
1392 switch (getsubopt(&optarg, source_subopts,
1393 &value)) {
1394 case 0:
1395 cb.cb_sources |= ZPROP_SRC_LOCAL;
1396 break;
1397 case 1:
1398 cb.cb_sources |= ZPROP_SRC_DEFAULT;
1399 break;
1400 case 2:
1401 cb.cb_sources |= ZPROP_SRC_INHERITED;
1402 break;
1403 case 3:
428870ff 1404 cb.cb_sources |= ZPROP_SRC_RECEIVED;
34dc7c2f
BB		 1405 break;
1406 case 4:
428870ff
BB		 1407 cb.cb_sources |= ZPROP_SRC_TEMPORARY;
1408 break;
1409 case 5:
34dc7c2f
BB		 1410 cb.cb_sources |= ZPROP_SRC_NONE;
1411 break;
1412 default:
1413 (void) fprintf(stderr,
1414 gettext("invalid source "
1415 "'%s'\n"), value);
1416 usage(B_FALSE);
1417 }
1418 }
1419 break;
1420
1421 case '?':
1422 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1423 optopt);
1424 usage(B_FALSE);
1425 }
1426 }
1427
1428 argc -= optind;
1429 argv += optind;
1430
1431 if (argc < 1) {
1432 (void) fprintf(stderr, gettext("missing property "
1433 "argument\n"));
1434 usage(B_FALSE);
1435 }
1436
1437 fields = argv[0];
1438
1439 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
1440 != 0)
1441 usage(B_FALSE);
1442
1443 argc--;
1444 argv++;
1445
1446 /*
1447 * As part of zfs_expand_proplist(), we keep track of the maximum column
1448 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
1449 * need to know the maximum name length. However, the user likely did
1450 * not specify 'name' as one of the properties to fetch, so we need to
1451 * make sure we always include at least this property for
1452 * print_get_headers() to work properly.
1453 */
1454 if (cb.cb_proplist != NULL) {
1455 fake_name.pl_prop = ZFS_PROP_NAME;
1456 fake_name.pl_width = strlen(gettext("NAME"));
1457 fake_name.pl_next = cb.cb_proplist;
1458 cb.cb_proplist = &fake_name;
1459 }
1460
1461 cb.cb_first = B_TRUE;
1462
1463 /* run for each object */
b128c09f 1464 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, NULL,
9babb374 1465 &cb.cb_proplist, limit, get_callback, &cb);
34dc7c2f
BB		 1466
1467 if (cb.cb_proplist == &fake_name)
1468 zprop_free_list(fake_name.pl_next);
1469 else
1470 zprop_free_list(cb.cb_proplist);
1471
1472 return (ret);
1473}
1474
1475/*
428870ff 1476 * inherit [-rS] <property> <fs|vol> ...
34dc7c2f 1477 *
428870ff
BB		 1478 * -r Recurse over all children
1479 * -S Revert to received value, if any
34dc7c2f
BB		 1480 *
1481 * For each dataset specified on the command line, inherit the given property
1482 * from its parent. Inheriting a property at the pool level will cause it to
1483 * use the default value. The '-r' flag will recurse over all children, and is
1484 * useful for setting a property on a hierarchy-wide basis, regardless of any
1485 * local modifications for each dataset.
1486 */
1487
428870ff
BB		 1488typedef struct inherit_cbdata {
1489 const char *cb_propname;
1490 boolean_t cb_received;
1491} inherit_cbdata_t;
1492
34dc7c2f 1493static int
b128c09f 1494inherit_recurse_cb(zfs_handle_t *zhp, void *data)
34dc7c2f 1495{
428870ff
BB		 1496 inherit_cbdata_t *cb = data;
1497 zfs_prop_t prop = zfs_name_to_prop(cb->cb_propname);
34dc7c2f 1498
b128c09f
BB		 1499 /*
1500 * If we're doing it recursively, then ignore properties that
1501 * are not valid for this type of dataset.
1502 */
1503 if (prop != ZPROP_INVAL &&
1504 !zfs_prop_valid_for_type(prop, zfs_get_type(zhp)))
1505 return (0);
1506
428870ff 1507 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
b128c09f
BB		 1508}
1509
1510static int
1511inherit_cb(zfs_handle_t *zhp, void *data)
1512{
428870ff 1513 inherit_cbdata_t *cb = data;
b128c09f 1514
428870ff 1515 return (zfs_prop_inherit(zhp, cb->cb_propname, cb->cb_received) != 0);
34dc7c2f
BB		 1516}
1517
1518static int
1519zfs_do_inherit(int argc, char **argv)
1520{
34dc7c2f
BB		 1521 int c;
1522 zfs_prop_t prop;
428870ff 1523 inherit_cbdata_t cb = { 0 };
34dc7c2f
BB		 1524 char *propname;
1525 int ret;
b128c09f 1526 int flags = 0;
428870ff 1527 boolean_t received = B_FALSE;
34dc7c2f
BB		 1528
1529 /* check options */
428870ff 1530 while ((c = getopt(argc, argv, "rS")) != -1) {
34dc7c2f
BB		 1531 switch (c) {
1532 case 'r':
b128c09f 1533 flags |= ZFS_ITER_RECURSE;
34dc7c2f 1534 break;
428870ff
BB		 1535 case 'S':
1536 received = B_TRUE;
1537 break;
34dc7c2f
BB		 1538 case '?':
1539 default:
1540 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1541 optopt);
1542 usage(B_FALSE);
1543 }
1544 }
1545
1546 argc -= optind;
1547 argv += optind;
1548
1549 /* check number of arguments */
1550 if (argc < 1) {
1551 (void) fprintf(stderr, gettext("missing property argument\n"));
1552 usage(B_FALSE);
1553 }
1554 if (argc < 2) {
1555 (void) fprintf(stderr, gettext("missing dataset argument\n"));
1556 usage(B_FALSE);
1557 }
1558
1559 propname = argv[0];
1560 argc--;
1561 argv++;
1562
1563 if ((prop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
1564 if (zfs_prop_readonly(prop)) {
1565 (void) fprintf(stderr, gettext(
1566 "%s property is read-only\n"),
1567 propname);
1568 return (1);
1569 }
428870ff 1570 if (!zfs_prop_inheritable(prop) && !received) {
34dc7c2f
BB		 1571 (void) fprintf(stderr, gettext("'%s' property cannot "
1572 "be inherited\n"), propname);
1573 if (prop == ZFS_PROP_QUOTA ||
1574 prop == ZFS_PROP_RESERVATION ||
1575 prop == ZFS_PROP_REFQUOTA ||
1576 prop == ZFS_PROP_REFRESERVATION)
1577 (void) fprintf(stderr, gettext("use 'zfs set "
1578 "%s=none' to clear\n"), propname);
1579 return (1);
1580 }
428870ff
BB		 1581 if (received && (prop == ZFS_PROP_VOLSIZE ||
1582 prop == ZFS_PROP_VERSION)) {
1583 (void) fprintf(stderr, gettext("'%s' property cannot "
1584 "be reverted to a received value\n"), propname);
1585 return (1);
1586 }
34dc7c2f
BB		 1587 } else if (!zfs_prop_user(propname)) {
1588 (void) fprintf(stderr, gettext("invalid property '%s'\n"),
1589 propname);
1590 usage(B_FALSE);
1591 }
1592
428870ff
BB		 1593 cb.cb_propname = propname;
1594 cb.cb_received = received;
1595
b128c09f
BB		 1596 if (flags & ZFS_ITER_RECURSE) {
1597 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 1598 NULL, NULL, 0, inherit_recurse_cb, &cb);
b128c09f
BB		 1599 } else {
1600 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET,
428870ff 1601 NULL, NULL, 0, inherit_cb, &cb);
b128c09f 1602 }
34dc7c2f
BB		 1603
1604 return (ret);
1605}
1606
1607typedef struct upgrade_cbdata {
1608 uint64_t cb_numupgraded;
1609 uint64_t cb_numsamegraded;
1610 uint64_t cb_numfailed;
1611 uint64_t cb_version;
1612 boolean_t cb_newer;
1613 boolean_t cb_foundone;
1614 char cb_lastfs[ZFS_MAXNAMELEN];
1615} upgrade_cbdata_t;
1616
1617static int
1618same_pool(zfs_handle_t *zhp, const char *name)
1619{
1620 int len1 = strcspn(name, "/@");
1621 const char *zhname = zfs_get_name(zhp);
1622 int len2 = strcspn(zhname, "/@");
1623
1624 if (len1 != len2)
1625 return (B_FALSE);
1626 return (strncmp(name, zhname, len1) == 0);
1627}
1628
1629static int
1630upgrade_list_callback(zfs_handle_t *zhp, void *data)
1631{
1632 upgrade_cbdata_t *cb = data;
1633 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
1634
1635 /* list if it's old/new */
1636 if ((!cb->cb_newer && version < ZPL_VERSION) ||
1637 (cb->cb_newer && version > ZPL_VERSION)) {
1638 char *str;
1639 if (cb->cb_newer) {
1640 str = gettext("The following filesystems are "
1641 "formatted using a newer software version and\n"
1642 "cannot be accessed on the current system.\n\n");
1643 } else {
1644 str = gettext("The following filesystems are "
1645 "out of date, and can be upgraded. After being\n"
1646 "upgraded, these filesystems (and any 'zfs send' "
1647 "streams generated from\n"
1648 "subsequent snapshots) will no longer be "
1649 "accessible by older software versions.\n\n");
1650 }
1651
1652 if (!cb->cb_foundone) {
1653 (void) puts(str);
1654 (void) printf(gettext("VER FILESYSTEM\n"));
1655 (void) printf(gettext("--- ------------\n"));
1656 cb->cb_foundone = B_TRUE;
1657 }
1658
1659 (void) printf("%2u %s\n", version, zfs_get_name(zhp));
1660 }
1661
1662 return (0);
1663}
1664
1665static int
1666upgrade_set_callback(zfs_handle_t *zhp, void *data)
1667{
1668 upgrade_cbdata_t *cb = data;
1669 int version = zfs_prop_get_int(zhp, ZFS_PROP_VERSION);
428870ff
BB		 1670 int needed_spa_version;
1671 int spa_version;
1672
1673 if (zfs_spa_version(zhp, &spa_version) < 0)
1674 return (-1);
1675
1676 needed_spa_version = zfs_spa_version_map(cb->cb_version);
1677
1678 if (needed_spa_version < 0)
1679 return (-1);
1680
1681 if (spa_version < needed_spa_version) {
1682 /* can't upgrade */
1683 (void) printf(gettext("%s: can not be "
1684 "upgraded; the pool version needs to first "
1685 "be upgraded\nto version %d\n\n"),
1686 zfs_get_name(zhp), needed_spa_version);
1687 cb->cb_numfailed++;
1688 return (0);
34dc7c2f
BB		 1689 }
1690
1691 /* upgrade */
1692 if (version < cb->cb_version) {
1693 char verstr[16];
1694 (void) snprintf(verstr, sizeof (verstr),
b8864a23 1695 "%llu", (u_longlong_t)cb->cb_version);
34dc7c2f
BB		 1696 if (cb->cb_lastfs[0] && !same_pool(zhp, cb->cb_lastfs)) {
1697 /*
1698 * If they did "zfs upgrade -a", then we could
1699 * be doing ioctls to different pools. We need
1700 * to log this history once to each pool.
1701 */
1702 verify(zpool_stage_history(g_zfs, history_str) == 0);
1703 }
1704 if (zfs_prop_set(zhp, "version", verstr) == 0)
1705 cb->cb_numupgraded++;
1706 else
1707 cb->cb_numfailed++;
1708 (void) strcpy(cb->cb_lastfs, zfs_get_name(zhp));
1709 } else if (version > cb->cb_version) {
1710 /* can't downgrade */
1711 (void) printf(gettext("%s: can not be downgraded; "
1712 "it is already at version %u\n"),
1713 zfs_get_name(zhp), version);
1714 cb->cb_numfailed++;
1715 } else {
1716 cb->cb_numsamegraded++;
1717 }
1718 return (0);
1719}
1720
1721/*
1722 * zfs upgrade
1723 * zfs upgrade -v
1724 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
1725 */
1726static int
1727zfs_do_upgrade(int argc, char **argv)
1728{
34dc7c2f
BB		 1729 boolean_t all = B_FALSE;
1730 boolean_t showversions = B_FALSE;
1731 int ret;
1732 upgrade_cbdata_t cb = { 0 };
b8864a23 1733 signed char c;
b128c09f 1734 int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 1735
1736 /* check options */
1737 while ((c = getopt(argc, argv, "rvV:a")) != -1) {
1738 switch (c) {
1739 case 'r':
b128c09f 1740 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 1741 break;
1742 case 'v':
1743 showversions = B_TRUE;
1744 break;
1745 case 'V':
1746 if (zfs_prop_string_to_index(ZFS_PROP_VERSION,
1747 optarg, &cb.cb_version) != 0) {
1748 (void) fprintf(stderr,
1749 gettext("invalid version %s\n"), optarg);
1750 usage(B_FALSE);
1751 }
1752 break;
1753 case 'a':
1754 all = B_TRUE;
1755 break;
1756 case '?':
1757 default:
1758 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1759 optopt);
1760 usage(B_FALSE);
1761 }
1762 }
1763
1764 argc -= optind;
1765 argv += optind;
1766
b128c09f 1767 if ((!all && !argc) && ((flags & ZFS_ITER_RECURSE) | cb.cb_version))
34dc7c2f 1768 usage(B_FALSE);
b128c09f
BB		 1769 if (showversions && (flags & ZFS_ITER_RECURSE || all ||
1770 cb.cb_version || argc))
34dc7c2f
BB		 1771 usage(B_FALSE);
1772 if ((all || argc) && (showversions))
1773 usage(B_FALSE);
1774 if (all && argc)
1775 usage(B_FALSE);
1776
1777 if (showversions) {
1778 /* Show info on available versions. */
1779 (void) printf(gettext("The following filesystem versions are "
1780 "supported:\n\n"));
1781 (void) printf(gettext("VER DESCRIPTION\n"));
1782 (void) printf("--- -----------------------------------------"
1783 "---------------\n");
1784 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
1785 (void) printf(gettext(" 2 Enhanced directory entries\n"));
1786 (void) printf(gettext(" 3 Case insensitive and File system "
45d1cae3 1787 "unique identifier (FUID)\n"));
9babb374
BB		 1788 (void) printf(gettext(" 4 userquota, groupquota "
1789 "properties\n"));
428870ff 1790 (void) printf(gettext(" 5 System attributes\n"));
34dc7c2f 1791 (void) printf(gettext("\nFor more information on a particular "
428870ff
BB		 1792 "version, including supported releases,\n"));
1793 (void) printf("see the ZFS Administration Guide.\n\n");
34dc7c2f
BB		 1794 ret = 0;
1795 } else if (argc || all) {
1796 /* Upgrade filesystems */
1797 if (cb.cb_version == 0)
1798 cb.cb_version = ZPL_VERSION;
b128c09f 1799 ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_FILESYSTEM,
9babb374 1800 NULL, NULL, 0, upgrade_set_callback, &cb);
34dc7c2f 1801 (void) printf(gettext("%llu filesystems upgraded\n"),
b8864a23 1802 (u_longlong_t)cb.cb_numupgraded);
34dc7c2f
BB		 1803 if (cb.cb_numsamegraded) {
1804 (void) printf(gettext("%llu filesystems already at "
1805 "this version\n"),
b8864a23 1806 (u_longlong_t)cb.cb_numsamegraded);
34dc7c2f
BB		 1807 }
1808 if (cb.cb_numfailed != 0)
1809 ret = 1;
1810 } else {
1811 /* List old-version filesytems */
1812 boolean_t found;
1813 (void) printf(gettext("This system is currently running "
1814 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION);
1815
b128c09f
BB		 1816 flags |= ZFS_ITER_RECURSE;
1817 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 1818 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 1819
1820 found = cb.cb_foundone;
1821 cb.cb_foundone = B_FALSE;
1822 cb.cb_newer = B_TRUE;
1823
b128c09f 1824 ret = zfs_for_each(0, NULL, flags, ZFS_TYPE_FILESYSTEM,
9babb374 1825 NULL, NULL, 0, upgrade_list_callback, &cb);
34dc7c2f
BB		 1826
1827 if (!cb.cb_foundone && !found) {
1828 (void) printf(gettext("All filesystems are "
1829 "formatted with the current version.\n"));
1830 }
1831 }
1832
1833 return (ret);
1834}
1835
0b7936d5
AS		 1836#define USTYPE_USR_BIT (0)
1837#define USTYPE_GRP_BIT (1)
1838#define USTYPE_PSX_BIT (2)
1839#define USTYPE_SMB_BIT (3)
1840
1841#define USTYPE_USR (1 << USTYPE_USR_BIT)
1842#define USTYPE_GRP (1 << USTYPE_GRP_BIT)
1843
1844#define USTYPE_PSX (1 << USTYPE_PSX_BIT)
1845#define USTYPE_SMB (1 << USTYPE_SMB_BIT)
1846
1847#define USTYPE_PSX_USR (USTYPE_PSX | USTYPE_USR)
1848#define USTYPE_SMB_USR (USTYPE_SMB | USTYPE_USR)
1849#define USTYPE_PSX_GRP (USTYPE_PSX | USTYPE_GRP)
1850#define USTYPE_SMB_GRP (USTYPE_SMB | USTYPE_GRP)
1851#define USTYPE_ALL (USTYPE_PSX_USR | USTYPE_SMB_USR \
1852 | USTYPE_PSX_GRP | USTYPE_SMB_GRP)
1853
1854
1855#define USPROP_USED_BIT (0)
1856#define USPROP_QUOTA_BIT (1)
1857
1858#define USPROP_USED (1 << USPROP_USED_BIT)
1859#define USPROP_QUOTA (1 << USPROP_QUOTA_BIT)
1860
1861typedef struct us_node {
1862 nvlist_t *usn_nvl;
1863 uu_avl_node_t usn_avlnode;
1864 uu_list_node_t usn_listnode;
1865} us_node_t;
1866
1867typedef struct us_cbdata {
1868 nvlist_t **cb_nvlp;
1869 uu_avl_pool_t *cb_avl_pool;
1870 uu_avl_t *cb_avl;
1871 boolean_t cb_numname;
1872 boolean_t cb_nicenum;
1873 boolean_t cb_sid2posix;
1874 zfs_userquota_prop_t cb_prop;
1875 zfs_sort_column_t *cb_sortcol;
1876 size_t cb_max_typelen;
1877 size_t cb_max_namelen;
1878 size_t cb_max_usedlen;
1879 size_t cb_max_quotalen;
1880} us_cbdata_t;
1881
1882typedef struct {
1883 zfs_sort_column_t *si_sortcol;
1884 boolean_t si_num_name;
1885 boolean_t si_parsable;
1886} us_sort_info_t;
1887
1888static int
1889us_compare(const void *larg, const void *rarg, void *unused)
1890{
1891 const us_node_t *l = larg;
1892 const us_node_t *r = rarg;
1893 int rc = 0;
1894 us_sort_info_t *si = (us_sort_info_t *)unused;
1895 zfs_sort_column_t *sortcol = si->si_sortcol;
1896 boolean_t num_name = si->si_num_name;
1897 nvlist_t *lnvl = l->usn_nvl;
1898 nvlist_t *rnvl = r->usn_nvl;
1899
1900 for (; sortcol != NULL; sortcol = sortcol->sc_next) {
1901 char *lvstr = "";
1902 char *rvstr = "";
1903 uint32_t lv32 = 0;
1904 uint32_t rv32 = 0;
1905 uint64_t lv64 = 0;
1906 uint64_t rv64 = 0;
1907 zfs_prop_t prop = sortcol->sc_prop;
1908 const char *propname = NULL;
1909 boolean_t reverse = sortcol->sc_reverse;
1910
1911 switch (prop) {
1912 case ZFS_PROP_TYPE:
1913 propname = "type";
1914 (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
1915 (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
1916 if (rv32 != lv32)
1917 rc = (rv32 > lv32) ? 1 : -1;
1918 break;
1919 case ZFS_PROP_NAME:
1920 propname = "name";
1921 if (num_name) {
1922 (void) nvlist_lookup_uint32(lnvl, propname,
1923 &lv32);
1924 (void) nvlist_lookup_uint32(rnvl, propname,
1925 &rv32);
1926 if (rv32 != lv32)
1927 rc = (rv32 > lv32) ? 1 : -1;
1928 } else {
1929 (void) nvlist_lookup_string(lnvl, propname,
1930 &lvstr);
1931 (void) nvlist_lookup_string(rnvl, propname,
1932 &rvstr);
1933 rc = strcmp(lvstr, rvstr);
1934 }
1935 break;
1936
1937 case ZFS_PROP_USED:
1938 case ZFS_PROP_QUOTA:
1939 if (ZFS_PROP_USED == prop)
1940 propname = "used";
1941 else
1942 propname = "quota";
1943 (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
1944 (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
1945 if (rv64 != lv64)
1946 rc = (rv64 > lv64) ? 1 : -1;
1947 default:
1948 break;
1949 }
1950
1951 if (rc) {
1952 if (rc < 0)
1953 return (reverse ? 1 : -1);
1954 else
1955 return (reverse ? -1 : 1);
1956 }
1957 }
1958
1959 return (rc);
1960}
1961
1962static inline const char *
1963us_type2str(unsigned field_type)
1964{
1965 switch (field_type) {
1966 case USTYPE_PSX_USR:
1967 return ("POSIX User");
1968 case USTYPE_PSX_GRP:
1969 return ("POSIX Group");
1970 case USTYPE_SMB_USR:
1971 return ("SMB User");
1972 case USTYPE_SMB_GRP:
1973 return ("SMB Group");
1974 default:
1975 return ("Undefined");
1976 }
1977}
1978
34dc7c2f 1979/*
9babb374
BB		 1980 * zfs userspace
1981 */
1982static int
1983userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
1984{
0b7936d5
AS		 1985 us_cbdata_t *cb = (us_cbdata_t *)arg;
1986 zfs_userquota_prop_t prop = cb->cb_prop;
9babb374 1987 char *name = NULL;
0b7936d5 1988 char *propname;
9babb374
BB		 1989 char namebuf[32];
1990 char sizebuf[32];
0b7936d5
AS		 1991 us_node_t *node;
1992 uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
1993 uu_avl_t *avl = cb->cb_avl;
1994 uu_avl_index_t idx;
1995 nvlist_t *props;
1996 us_node_t *n;
1997 zfs_sort_column_t *sortcol = cb->cb_sortcol;
1998 unsigned type;
1999 const char *typestr;
2000 size_t namelen;
2001 size_t typelen;
2002 size_t sizelen;
2003 us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
9babb374
BB		 2004
2005 if (domain == NULL || domain[0] == '\0') {
0b7936d5
AS		 2006 /* POSIX */
2007 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2008 type = USTYPE_PSX_GRP;
9babb374
BB		 2009 struct group *g = getgrgid(rid);
2010 if (g)
2011 name = g->gr_name;
2012 } else {
0b7936d5 2013 type = USTYPE_PSX_USR;
9babb374
BB		 2014 struct passwd *p = getpwuid(rid);
2015 if (p)
2016 name = p->pw_name;
2017 }
0b7936d5
AS		 2018 } else {
2019#ifdef HAVE_IDMAP
2020 char sid[ZFS_MAXNAMELEN+32];
2021 uid_t id;
2022 uint64_t classes;
2023 int err;
2024 directory_error_t e;
2025
2026 (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
2027 /* SMB */
2028 if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
2029 type = USTYPE_SMB_GRP;
2030 err = sid_to_id(sid, B_FALSE, &id);
2031 } else {
2032 type = USTYPE_SMB_USR;
2033 err = sid_to_id(sid, B_TRUE, &id);
2034 }
2035
2036 if (err == 0) {
2037 rid = id;
2038
2039 e = directory_name_from_sid(NULL, sid, &name, &classes);
2040 if (e != NULL) {
2041 directory_error_free(e);
2042 return (NULL);
2043 }
2044
2045 if (name == NULL)
2046 name = sid;
2047 }
2048#else
2049 return (-1);
2050#endif /* HAVE_IDMAP */
9babb374
BB		 2051 }
2052
0b7936d5
AS		 2053/*
2054 * if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA)
2055 * ug = "group";
2056 * else
2057 * ug = "user";
2058 */
9babb374 2059
0b7936d5 2060 if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED)
9babb374
BB		 2061 propname = "used";
2062 else
2063 propname = "quota";
2064
0b7936d5
AS		 2065 (void) snprintf(namebuf, sizeof (namebuf), "%u", rid);
2066 if (name == NULL)
9babb374 2067 name = namebuf;
0b7936d5
AS		 2068
2069 if (cb->cb_nicenum)
2070 zfs_nicenum(space, sizebuf, sizeof (sizebuf));
2071 else
2072 (void) sprintf(sizebuf, "%llu", (u_longlong_t)space);
2073
2074 node = safe_malloc(sizeof (us_node_t));
2075 uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
2076
2077 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0) {
2078 free(node);
2079 return (-1);
2080 }
2081
2082 if (nvlist_add_uint32(props, "type", type) != 0)
2083 nomem();
2084
2085 if (cb->cb_numname) {
2086 if (nvlist_add_uint32(props, "name", rid) != 0)
2087 nomem();
2088 namelen = strlen(namebuf);
2089 } else {
2090 if (nvlist_add_string(props, "name", name) != 0)
2091 nomem();
2092 namelen = strlen(name);
2093 }
2094
2095 typestr = us_type2str(type);
2096 typelen = strlen(gettext(typestr));
2097 if (typelen > cb->cb_max_typelen)
2098 cb->cb_max_typelen = typelen;
2099
2100 if (namelen > cb->cb_max_namelen)
2101 cb->cb_max_namelen = namelen;
2102
2103 sizelen = strlen(sizebuf);
2104 if (0 == strcmp(propname, "used")) {
2105 if (sizelen > cb->cb_max_usedlen)
2106 cb->cb_max_usedlen = sizelen;
2107 } else {
2108 if (sizelen > cb->cb_max_quotalen)
2109 cb->cb_max_quotalen = sizelen;
2110 }
2111
2112 node->usn_nvl = props;
2113
2114 n = uu_avl_find(avl, node, &sortinfo, &idx);
2115 if (n == NULL)
2116 uu_avl_insert(avl, node, idx);
2117 else {
2118 nvlist_free(props);
2119 free(node);
2120 node = n;
2121 props = node->usn_nvl;
9babb374 2122 }
9babb374 2123
0b7936d5
AS		 2124 if (nvlist_add_uint64(props, propname, space) != 0)
2125 nomem();
2126
2127 return (0);
2128}
2129
2130static inline boolean_t
2131usprop_check(zfs_userquota_prop_t p, unsigned types, unsigned props)
2132{
2133 unsigned type;
2134 unsigned prop;
2135
2136 switch (p) {
2137 case ZFS_PROP_USERUSED:
2138 type = USTYPE_USR;
2139 prop = USPROP_USED;
2140 break;
2141 case ZFS_PROP_USERQUOTA:
2142 type = USTYPE_USR;
2143 prop = USPROP_QUOTA;
2144 break;
2145 case ZFS_PROP_GROUPUSED:
2146 type = USTYPE_GRP;
2147 prop = USPROP_USED;
2148 break;
2149 case ZFS_PROP_GROUPQUOTA:
2150 type = USTYPE_GRP;
2151 prop = USPROP_QUOTA;
2152 break;
2153 default: /* ALL */
2154 return (B_TRUE);
2155 };
2156
2157 return (type & types && prop & props);
2158}
2159
2160#define USFIELD_TYPE (1 << 0)
2161#define USFIELD_NAME (1 << 1)
2162#define USFIELD_USED (1 << 2)
2163#define USFIELD_QUOTA (1 << 3)
2164#define USFIELD_ALL (USFIELD_TYPE | USFIELD_NAME | USFIELD_USED | USFIELD_QUOTA)
2165
2166static int
2167parsefields(unsigned *fieldsp, char **names, unsigned *bits, size_t len)
2168{
2169 char *field = optarg;
2170 char *delim;
2171
2172 do {
2173 int i;
2174 boolean_t found = B_FALSE;
2175 delim = strchr(field, ',');
2176 if (delim != NULL)
2177 *delim = '\0';
2178
2179 for (i = 0; i < len; i++)
2180 if (0 == strcmp(field, names[i])) {
2181 found = B_TRUE;
2182 *fieldsp |= bits[i];
2183 break;
2184 }
2185
2186 if (!found) {
2187 (void) fprintf(stderr, gettext("invalid type '%s'"
2188 "for -t option\n"), field);
2189 return (-1);
2190 }
2191
2192 field = delim + 1;
2193 } while (delim);
9babb374
BB		 2194
2195 return (0);
2196}
2197
0b7936d5
AS		 2198
2199static char *type_names[] = { "posixuser", "smbuser", "posixgroup", "smbgroup",
2200 "all" };
2201static unsigned type_bits[] = {
2202 USTYPE_PSX_USR,
2203 USTYPE_SMB_USR,
2204 USTYPE_PSX_GRP,
2205 USTYPE_SMB_GRP,
2206 USTYPE_ALL
2207};
2208
2209static char *us_field_names[] = { "type", "name", "used", "quota" };
2210static unsigned us_field_bits[] = {
2211 USFIELD_TYPE,
2212 USFIELD_NAME,
2213 USFIELD_USED,
2214 USFIELD_QUOTA
2215};
2216
2217static void
2218print_us_node(boolean_t scripted, boolean_t parseable, unsigned fields,
2219 size_t type_width, size_t name_width, size_t used_width,
2220 size_t quota_width, us_node_t *node)
2221{
2222 nvlist_t *nvl = node->usn_nvl;
2223 nvpair_t *nvp = NULL;
2224 char valstr[ZFS_MAXNAMELEN];
2225 boolean_t first = B_TRUE;
2226 boolean_t quota_found = B_FALSE;
2227
2228 if (fields & USFIELD_QUOTA && !nvlist_exists(nvl, "quota"))
2229 if (nvlist_add_string(nvl, "quota", "none") != 0)
2230 nomem();
2231
2232 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
2233 char *pname = nvpair_name(nvp);
2234 data_type_t type = nvpair_type(nvp);
2235 uint32_t val32 = 0;
2236 uint64_t val64 = 0;
2237 char *strval = NULL;
2238 unsigned field = 0;
2239 unsigned width = 0;
2240 int i;
2241 for (i = 0; i < 4; i++) {
2242 if (0 == strcmp(pname, us_field_names[i])) {
2243 field = us_field_bits[i];
2244 break;
2245 }
2246 }
2247
2248 if (!(field & fields))
2249 continue;
2250
2251 switch (type) {
2252 case DATA_TYPE_UINT32:
2253 (void) nvpair_value_uint32(nvp, &val32);
2254 break;
2255 case DATA_TYPE_UINT64:
2256 (void) nvpair_value_uint64(nvp, &val64);
2257 break;
2258 case DATA_TYPE_STRING:
2259 (void) nvpair_value_string(nvp, &strval);
2260 break;
2261 default:
2262 (void) fprintf(stderr, "Invalid data type\n");
2263 }
2264
2265 if (!first) {
2266 if (scripted)
2267 (void) printf("\t");
2268 else
2269 (void) printf(" ");
2270 }
2271
2272 switch (field) {
2273 case USFIELD_TYPE:
2274 strval = (char *)us_type2str(val32);
2275 width = type_width;
2276 break;
2277 case USFIELD_NAME:
2278 if (type == DATA_TYPE_UINT64) {
2279 (void) sprintf(valstr, "%llu",
2280 (u_longlong_t) val64);
2281 strval = valstr;
2282 }
2283 width = name_width;
2284 break;
2285 case USFIELD_USED:
2286 case USFIELD_QUOTA:
2287 if (type == DATA_TYPE_UINT64) {
2288 (void) nvpair_value_uint64(nvp, &val64);
2289 if (parseable)
2290 (void) sprintf(valstr, "%llu",
2291 (u_longlong_t) val64);
2292 else
2293 zfs_nicenum(val64, valstr,
2294 sizeof (valstr));
2295 strval = valstr;
2296 }
2297
2298 if (field == USFIELD_USED)
2299 width = used_width;
2300 else {
2301 quota_found = B_FALSE;
2302 width = quota_width;
2303 }
2304
2305 break;
2306 }
2307
2308 if (field == USFIELD_QUOTA && !quota_found)
2309 (void) printf("%*s", width, strval);
2310 else {
2311 if (type == DATA_TYPE_STRING)
2312 (void) printf("%-*s", width, strval);
2313 else
2314 (void) printf("%*s", width, strval);
2315 }
2316
2317 first = B_FALSE;
2318
2319 }
2320
2321 (void) printf("\n");
2322}
2323
2324static void
2325print_us(boolean_t scripted, boolean_t parsable, unsigned fields,
2326 unsigned type_width, unsigned name_width, unsigned used_width,
2327 unsigned quota_width, boolean_t rmnode, uu_avl_t *avl)
2328{
2329 static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA" };
2330 us_node_t *node;
2331 const char *col;
2332 int i;
2333 int width[4] = { type_width, name_width, used_width, quota_width };
2334
2335 if (!scripted) {
2336 boolean_t first = B_TRUE;
2337 for (i = 0; i < 4; i++) {
2338 unsigned field = us_field_bits[i];
2339 if (!(field & fields))
2340 continue;
2341
2342 col = gettext(us_field_hdr[i]);
2343 if (field == USFIELD_TYPE || field == USFIELD_NAME)
2344 (void) printf(first?"%-*s":" %-*s", width[i],
2345 col);
2346 else
2347 (void) printf(first?"%*s":" %*s", width[i],
2348 col);
2349 first = B_FALSE;
2350 }
2351 (void) printf("\n");
2352 }
2353
2354 for (node = uu_avl_first(avl); node != NULL;
2355 node = uu_avl_next(avl, node)) {
2356 print_us_node(scripted, parsable, fields, type_width,
2357 name_width, used_width, used_width, node);
2358 if (rmnode)
2359 nvlist_free(node->usn_nvl);
2360 }
2361}
2362
9babb374
BB		 2363static int
2364zfs_do_userspace(int argc, char **argv)
2365{
2366 zfs_handle_t *zhp;
2367 zfs_userquota_prop_t p;
0b7936d5
AS		 2368 uu_avl_pool_t *avl_pool;
2369 uu_avl_t *avl_tree;
2370 uu_avl_walk_t *walk;
2371
2372 char *cmd;
2373 boolean_t scripted = B_FALSE;
2374 boolean_t prtnum = B_FALSE;
2375 boolean_t parseable = B_FALSE;
2376 boolean_t sid2posix = B_FALSE;
c70602f1 2377 int error = 0;
0b7936d5
AS		 2378 int c;
2379 zfs_sort_column_t *default_sortcol = NULL;
2380 zfs_sort_column_t *sortcol = NULL;
2381 unsigned types = USTYPE_PSX_USR | USTYPE_SMB_USR;
2382 unsigned fields = 0;
2383 unsigned props = USPROP_USED | USPROP_QUOTA;
2384 us_cbdata_t cb;
2385 us_node_t *node;
2386 boolean_t resort_avl = B_FALSE;
2387
2388 if (argc < 2)
2389 usage(B_FALSE);
2390
2391 cmd = argv[0];
2392 if (0 == strcmp(cmd, "groupspace"))
2393 /* toggle default group types */
2394 types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
2395
2396 /* check options */
2397 while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
2398 switch (c) {
2399 case 'n':
2400 prtnum = B_TRUE;
2401 break;
2402 case 'H':
2403 scripted = B_TRUE;
2404 break;
2405 case 'p':
2406 parseable = B_TRUE;
2407 break;
2408 case 'o':
2409 if (parsefields(&fields, us_field_names, us_field_bits,
2410 4) != 0)
2411 return (1);
2412 break;
2413 case 's':
2414 if (zfs_add_sort_column(&sortcol, optarg,
2415 B_FALSE) != 0) {
2416 (void) fprintf(stderr,
2417 gettext("invalid property '%s'\n"), optarg);
2418 usage(B_FALSE);
2419 }
2420 break;
2421 case 'S':
2422 if (zfs_add_sort_column(&sortcol, optarg,
2423 B_TRUE) != 0) {
2424 (void) fprintf(stderr,
2425 gettext("invalid property '%s'\n"), optarg);
2426 usage(B_FALSE);
2427 }
2428 break;
2429 case 't':
2430 if (parsefields(&types, type_names, type_bits, 5))
2431 return (1);
2432 break;
2433 case 'i':
2434 sid2posix = B_TRUE;
2435 break;
2436 case ':':
2437 (void) fprintf(stderr, gettext("missing argument for "
2438 "'%c' option\n"), optopt);
2439 usage(B_FALSE);
2440 break;
2441 case '?':
2442 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2443 optopt);
2444 usage(B_FALSE);
2445 }
2446 }
2447
2448 argc -= optind;
2449 argv += optind;
2450
2451 /* ok, now we have sorted by default colums (type,name) avl tree */
2452 if (sortcol) {
2453 zfs_sort_column_t *sc;
2454 for (sc = sortcol; sc; sc = sc->sc_next) {
2455 if (sc->sc_prop == ZFS_PROP_QUOTA) {
2456 resort_avl = B_TRUE;
2457 break;
2458 }
2459 }
2460 }
2461
2462 if (!fields)
2463 fields = USFIELD_ALL;
9babb374 2464
9babb374
BB		 2465 if ((zhp = zfs_open(g_zfs, argv[argc-1], ZFS_TYPE_DATASET)) == NULL)
2466 return (1);
2467
0b7936d5
AS		 2468 if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
2469 offsetof(us_node_t, usn_avlnode),
2470 us_compare, UU_DEFAULT)) == NULL)
2471 nomem();
2472 if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
2473 nomem();
2474
2475 if (sortcol && !resort_avl)
2476 cb.cb_sortcol = sortcol;
2477 else {
2478 (void) zfs_add_sort_column(&default_sortcol, "type", B_FALSE);
2479 (void) zfs_add_sort_column(&default_sortcol, "name", B_FALSE);
2480 cb.cb_sortcol = default_sortcol;
2481 }
2482 cb.cb_numname = prtnum;
2483 cb.cb_nicenum = !parseable;
2484 cb.cb_avl_pool = avl_pool;
2485 cb.cb_avl = avl_tree;
2486 cb.cb_sid2posix = sid2posix;
2487 cb.cb_max_typelen = strlen(gettext("TYPE"));
2488 cb.cb_max_namelen = strlen(gettext("NAME"));
2489 cb.cb_max_usedlen = strlen(gettext("USED"));
2490 cb.cb_max_quotalen = strlen(gettext("QUOTA"));
9babb374
BB		 2491
2492 for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
0b7936d5
AS		 2493 if (!usprop_check(p, types, props))
2494 continue;
2495
2496 cb.cb_prop = p;
2497 error = zfs_userspace(zhp, p, userspace_cb, &cb);
9babb374
BB		 2498 if (error)
2499 break;
2500 }
0b7936d5
AS		 2501
2502
2503 if (resort_avl) {
2504 us_node_t *node;
2505 us_node_t *rmnode;
2506 uu_list_pool_t *listpool;
2507 uu_list_t *list;
2508 uu_avl_index_t idx = 0;
2509 uu_list_index_t idx2 = 0;
2510 listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
2511 offsetof(us_node_t, usn_listnode), NULL,
2512 UU_DEFAULT);
2513 list = uu_list_create(listpool, NULL, UU_DEFAULT);
2514
2515 node = uu_avl_first(avl_tree);
2516 uu_list_node_init(node, &node->usn_listnode, listpool);
2517 while (node != NULL) {
2518 rmnode = node;
2519 node = uu_avl_next(avl_tree, node);
2520 uu_avl_remove(avl_tree, rmnode);
2521 if (uu_list_find(list, rmnode, NULL, &idx2) == NULL) {
2522 uu_list_insert(list, rmnode, idx2);
2523 }
2524 }
2525
2526 for (node = uu_list_first(list); node != NULL;
2527 node = uu_list_next(list, node)) {
2528 us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
2529 if (uu_avl_find(avl_tree, node, &sortinfo, &idx) ==
2530 NULL)
2531 uu_avl_insert(avl_tree, node, idx);
2532 }
2533
2534 uu_list_destroy(list);
2535 }
2536
2537 /* print & free node`s nvlist memory */
2538 print_us(scripted, parseable, fields, cb.cb_max_typelen,
2539 cb.cb_max_namelen, cb.cb_max_usedlen,
2540 cb.cb_max_quotalen, B_TRUE, cb.cb_avl);
2541
2542 if (sortcol)
2543 zfs_free_sort_columns(sortcol);
2544 zfs_free_sort_columns(default_sortcol);
2545
2546 /*
2547 * Finally, clean up the AVL tree.
2548 */
2549 if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
2550 nomem();
2551
2552 while ((node = uu_avl_walk_next(walk)) != NULL) {
2553 uu_avl_remove(cb.cb_avl, node);
2554 free(node);
2555 }
2556
2557 uu_avl_walk_end(walk);
2558 uu_avl_destroy(avl_tree);
2559 uu_avl_pool_destroy(avl_pool);
2560
9babb374
BB		 2561 return (error);
2562}
2563
2564/*
2565 * list [-r][-d max] [-H] [-o property[,property]...] [-t type[,type]...]
34dc7c2f
BB		 2566 * [-s property [-s property]...] [-S property [-S property]...]
2567 * <dataset> ...
2568 *
428870ff
BB		 2569 * -r Recurse over all children
2570 * -d Limit recursion by depth.
2571 * -H Scripted mode; elide headers and separate columns by tabs
2572 * -o Control which fields to display.
2573 * -t Control which object types to display.
34dc7c2f
BB		 2574 * -s Specify sort columns, descending order.
2575 * -S Specify sort columns, ascending order.
2576 *
2577 * When given no arguments, lists all filesystems in the system.
2578 * Otherwise, list the specified datasets, optionally recursing down them if
2579 * '-r' is specified.
2580 */
2581typedef struct list_cbdata {
2582 boolean_t cb_first;
2583 boolean_t cb_scripted;
2584 zprop_list_t *cb_proplist;
2585} list_cbdata_t;
2586
2587/*
2588 * Given a list of columns to display, output appropriate headers for each one.
2589 */
2590static void
2591print_header(zprop_list_t *pl)
2592{
2593 char headerbuf[ZFS_MAXPROPLEN];
2594 const char *header;
2595 int i;
2596 boolean_t first = B_TRUE;
2597 boolean_t right_justify;
2598
2599 for (; pl != NULL; pl = pl->pl_next) {
2600 if (!first) {
2601 (void) printf(" ");
2602 } else {
2603 first = B_FALSE;
2604 }
2605
2606 right_justify = B_FALSE;
2607 if (pl->pl_prop != ZPROP_INVAL) {
2608 header = zfs_prop_column_name(pl->pl_prop);
2609 right_justify = zfs_prop_align_right(pl->pl_prop);
2610 } else {
2611 for (i = 0; pl->pl_user_prop[i] != '\0'; i++)
2612 headerbuf[i] = toupper(pl->pl_user_prop[i]);
2613 headerbuf[i] = '\0';
2614 header = headerbuf;
2615 }
2616
2617 if (pl->pl_next == NULL && !right_justify)
2618 (void) printf("%s", header);
2619 else if (right_justify)
b8864a23 2620 (void) printf("%*s", (int)pl->pl_width, header);
34dc7c2f 2621 else
b8864a23 2622 (void) printf("%-*s", (int)pl->pl_width, header);
34dc7c2f
BB		 2623 }
2624
2625 (void) printf("\n");
2626}
2627
2628/*
2629 * Given a dataset and a list of fields, print out all the properties according
2630 * to the described layout.
2631 */
2632static void
2633print_dataset(zfs_handle_t *zhp, zprop_list_t *pl, boolean_t scripted)
2634{
2635 boolean_t first = B_TRUE;
2636 char property[ZFS_MAXPROPLEN];
2637 nvlist_t *userprops = zfs_get_user_props(zhp);
2638 nvlist_t *propval;
2639 char *propstr;
2640 boolean_t right_justify;
2641 int width;
2642
2643 for (; pl != NULL; pl = pl->pl_next) {
2644 if (!first) {
2645 if (scripted)
2646 (void) printf("\t");
2647 else
2648 (void) printf(" ");
2649 } else {
2650 first = B_FALSE;
2651 }
2652
34dc7c2f
BB		 2653 if (pl->pl_prop != ZPROP_INVAL) {
2654 if (zfs_prop_get(zhp, pl->pl_prop, property,
2655 sizeof (property), NULL, NULL, 0, B_FALSE) != 0)
2656 propstr = "-";
2657 else
2658 propstr = property;
2659
2660 right_justify = zfs_prop_align_right(pl->pl_prop);
9babb374
BB		 2661 } else if (zfs_prop_userquota(pl->pl_user_prop)) {
2662 if (zfs_prop_get_userquota(zhp, pl->pl_user_prop,
2663 property, sizeof (property), B_FALSE) != 0)
2664 propstr = "-";
2665 else
2666 propstr = property;
2667 right_justify = B_TRUE;
34dc7c2f
BB		 2668 } else {
2669 if (nvlist_lookup_nvlist(userprops,
2670 pl->pl_user_prop, &propval) != 0)
2671 propstr = "-";
2672 else
2673 verify(nvlist_lookup_string(propval,
2674 ZPROP_VALUE, &propstr) == 0);
9babb374 2675 right_justify = B_FALSE;
34dc7c2f
BB		 2676 }
2677
2678 width = pl->pl_width;
2679
2680 /*
2681 * If this is being called in scripted mode, or if this is the
2682 * last column and it is left-justified, don't include a width
2683 * format specifier.
2684 */
2685 if (scripted || (pl->pl_next == NULL && !right_justify))
2686 (void) printf("%s", propstr);
2687 else if (right_justify)
2688 (void) printf("%*s", width, propstr);
2689 else
2690 (void) printf("%-*s", width, propstr);
2691 }
2692
2693 (void) printf("\n");
2694}
2695
2696/*
2697 * Generic callback function to list a dataset or snapshot.
2698 */
2699static int
2700list_callback(zfs_handle_t *zhp, void *data)
2701{
2702 list_cbdata_t *cbp = data;
2703
2704 if (cbp->cb_first) {
2705 if (!cbp->cb_scripted)
2706 print_header(cbp->cb_proplist);
2707 cbp->cb_first = B_FALSE;
2708 }
2709
2710 print_dataset(zhp, cbp->cb_proplist, cbp->cb_scripted);
2711
2712 return (0);
2713}
2714
2715static int
2716zfs_do_list(int argc, char **argv)
2717{
2718 int c;
34dc7c2f
BB		 2719 boolean_t scripted = B_FALSE;
2720 static char default_fields[] =
2721 "name,used,available,referenced,mountpoint";
d164b209 2722 int types = ZFS_TYPE_DATASET;
b128c09f 2723 boolean_t types_specified = B_FALSE;
34dc7c2f 2724 char *fields = NULL;
34dc7c2f
BB		 2725 list_cbdata_t cb = { 0 };
2726 char *value;
9babb374 2727 int limit = 0;
34dc7c2f 2728 int ret;
34dc7c2f 2729 zfs_sort_column_t *sortcol = NULL;
b128c09f 2730 int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
34dc7c2f
BB		 2731
2732 /* check options */
9babb374 2733 while ((c = getopt(argc, argv, ":d:o:rt:Hs:S:")) != -1) {
34dc7c2f
BB		 2734 switch (c) {
2735 case 'o':
2736 fields = optarg;
2737 break;
9babb374
BB		 2738 case 'd':
2739 limit = parse_depth(optarg, &flags);
2740 break;
34dc7c2f 2741 case 'r':
b128c09f 2742 flags |= ZFS_ITER_RECURSE;
34dc7c2f
BB		 2743 break;
2744 case 'H':
2745 scripted = B_TRUE;
2746 break;
2747 case 's':
2748 if (zfs_add_sort_column(&sortcol, optarg,
2749 B_FALSE) != 0) {
2750 (void) fprintf(stderr,
2751 gettext("invalid property '%s'\n"), optarg);
2752 usage(B_FALSE);
2753 }
2754 break;
2755 case 'S':
2756 if (zfs_add_sort_column(&sortcol, optarg,
2757 B_TRUE) != 0) {
2758 (void) fprintf(stderr,
2759 gettext("invalid property '%s'\n"), optarg);
2760 usage(B_FALSE);
2761 }
2762 break;
2763 case 't':
2764 types = 0;
b128c09f
BB		 2765 types_specified = B_TRUE;
2766 flags &= ~ZFS_ITER_PROP_LISTSNAPS;
34dc7c2f 2767 while (*optarg != '\0') {
b128c09f
BB		 2768 static char *type_subopts[] = { "filesystem",
2769 "volume", "snapshot", "all", NULL };
2770
34dc7c2f
BB		 2771 switch (getsubopt(&optarg, type_subopts,
2772 &value)) {
2773 case 0:
2774 types |= ZFS_TYPE_FILESYSTEM;
2775 break;
2776 case 1:
2777 types |= ZFS_TYPE_VOLUME;
2778 break;
2779 case 2:
2780 types |= ZFS_TYPE_SNAPSHOT;
2781 break;
b128c09f
BB		 2782 case 3:
2783 types = ZFS_TYPE_DATASET;
2784 break;
2785
34dc7c2f
BB		 2786 default:
2787 (void) fprintf(stderr,
2788 gettext("invalid type '%s'\n"),
2789 value);
2790 usage(B_FALSE);
2791 }
2792 }
2793 break;
2794 case ':':
2795 (void) fprintf(stderr, gettext("missing argument for "
2796 "'%c' option\n"), optopt);
2797 usage(B_FALSE);
2798 break;
2799 case '?':
2800 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2801 optopt);
2802 usage(B_FALSE);
2803 }
2804 }
2805
2806 argc -= optind;
2807 argv += optind;
2808
2809 if (fields == NULL)
b128c09f
BB		 2810 fields = default_fields;
2811
2812 /*
2813 * If "-o space" and no types were specified, don't display snapshots.
2814 */
2815 if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
2816 types &= ~ZFS_TYPE_SNAPSHOT;
34dc7c2f
BB		 2817
2818 /*
2819 * If the user specifies '-o all', the zprop_get_list() doesn't
2820 * normally include the name of the dataset. For 'zfs list', we always
2821 * want this property to be first.
2822 */
2823 if (zprop_get_list(g_zfs, fields, &cb.cb_proplist, ZFS_TYPE_DATASET)
2824 != 0)
2825 usage(B_FALSE);
2826
2827 cb.cb_scripted = scripted;
2828 cb.cb_first = B_TRUE;
2829
b128c09f 2830 ret = zfs_for_each(argc, argv, flags, types, sortcol, &cb.cb_proplist,
9babb374 2831 limit, list_callback, &cb);
34dc7c2f
BB		 2832
2833 zprop_free_list(cb.cb_proplist);
2834 zfs_free_sort_columns(sortcol);
2835
2836 if (ret == 0 && cb.cb_first && !cb.cb_scripted)
2837 (void) printf(gettext("no datasets available\n"));
2838
2839 return (ret);
2840}
2841
2842/*
2843 * zfs rename <fs | snap | vol> <fs | snap | vol>
2844 * zfs rename -p <fs | vol> <fs | vol>
2845 * zfs rename -r <snap> <snap>
2846 *
2847 * Renames the given dataset to another of the same type.
2848 *
2849 * The '-p' flag creates all the non-existing ancestors of the target first.
2850 */
2851/* ARGSUSED */
2852static int
2853zfs_do_rename(int argc, char **argv)
2854{
2855 zfs_handle_t *zhp;
2856 int c;
2857 int ret;
2858 boolean_t recurse = B_FALSE;
2859 boolean_t parents = B_FALSE;
2860
2861 /* check options */
2862 while ((c = getopt(argc, argv, "pr")) != -1) {
2863 switch (c) {
2864 case 'p':
2865 parents = B_TRUE;
2866 break;
2867 case 'r':
2868 recurse = B_TRUE;
2869 break;
2870 case '?':
2871 default:
2872 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2873 optopt);
2874 usage(B_FALSE);
2875 }
2876 }
2877
2878 argc -= optind;
2879 argv += optind;
2880
2881 /* check number of arguments */
2882 if (argc < 1) {
2883 (void) fprintf(stderr, gettext("missing source dataset "
2884 "argument\n"));
2885 usage(B_FALSE);
2886 }
2887 if (argc < 2) {
2888 (void) fprintf(stderr, gettext("missing target dataset "
2889 "argument\n"));
2890 usage(B_FALSE);
2891 }
2892 if (argc > 2) {
2893 (void) fprintf(stderr, gettext("too many arguments\n"));
2894 usage(B_FALSE);
2895 }
2896
2897 if (recurse && parents) {
2898 (void) fprintf(stderr, gettext("-p and -r options are mutually "
2899 "exclusive\n"));
2900 usage(B_FALSE);
2901 }
2902
2903 if (recurse && strchr(argv[0], '@') == 0) {
2904 (void) fprintf(stderr, gettext("source dataset for recursive "
2905 "rename must be a snapshot\n"));
2906 usage(B_FALSE);
2907 }
2908
2909 if ((zhp = zfs_open(g_zfs, argv[0], parents ? ZFS_TYPE_FILESYSTEM |
2910 ZFS_TYPE_VOLUME : ZFS_TYPE_DATASET)) == NULL)
2911 return (1);
2912
2913 /* If we were asked and the name looks good, try to create ancestors. */
2914 if (parents && zfs_name_valid(argv[1], zfs_get_type(zhp)) &&
2915 zfs_create_ancestors(g_zfs, argv[1]) != 0) {
2916 zfs_close(zhp);
2917 return (1);
2918 }
2919
2920 ret = (zfs_rename(zhp, argv[1], recurse) != 0);
2921
2922 zfs_close(zhp);
2923 return (ret);
2924}
2925
2926/*
2927 * zfs promote <fs>
2928 *
2929 * Promotes the given clone fs to be the parent
2930 */
2931/* ARGSUSED */
2932static int
2933zfs_do_promote(int argc, char **argv)
2934{
2935 zfs_handle_t *zhp;
2936 int ret;
2937
2938 /* check options */
2939 if (argc > 1 && argv[1][0] == '-') {
2940 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2941 argv[1][1]);
2942 usage(B_FALSE);
2943 }
2944
2945 /* check number of arguments */
2946 if (argc < 2) {
2947 (void) fprintf(stderr, gettext("missing clone filesystem"
2948 " argument\n"));
2949 usage(B_FALSE);
2950 }
2951 if (argc > 2) {
2952 (void) fprintf(stderr, gettext("too many arguments\n"));
2953 usage(B_FALSE);
2954 }
2955
2956 zhp = zfs_open(g_zfs, argv[1], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
2957 if (zhp == NULL)
2958 return (1);
2959
2960 ret = (zfs_promote(zhp) != 0);
2961
2962
2963 zfs_close(zhp);
2964 return (ret);
2965}
2966
2967/*
2968 * zfs rollback [-rRf] <snapshot>
2969 *
428870ff
BB		 2970 * -r Delete any intervening snapshots before doing rollback
2971 * -R Delete any snapshots and their clones
2972 * -f ignored for backwards compatability
34dc7c2f
BB		 2973 *
2974 * Given a filesystem, rollback to a specific snapshot, discarding any changes
2975 * since then and making it the active dataset. If more recent snapshots exist,
2976 * the command will complain unless the '-r' flag is given.
2977 */
2978typedef struct rollback_cbdata {
2979 uint64_t cb_create;
2980 boolean_t cb_first;
2981 int cb_doclones;
2982 char *cb_target;
2983 int cb_error;
2984 boolean_t cb_recurse;
2985 boolean_t cb_dependent;
2986} rollback_cbdata_t;
2987
2988/*
2989 * Report any snapshots more recent than the one specified. Used when '-r' is
2990 * not specified. We reuse this same callback for the snapshot dependents - if
2991 * 'cb_dependent' is set, then this is a dependent and we should report it
2992 * without checking the transaction group.
2993 */
2994static int
2995rollback_check(zfs_handle_t *zhp, void *data)
2996{
2997 rollback_cbdata_t *cbp = data;
2998
2999 if (cbp->cb_doclones) {
3000 zfs_close(zhp);
3001 return (0);
3002 }
3003
3004 if (!cbp->cb_dependent) {
3005 if (strcmp(zfs_get_name(zhp), cbp->cb_target) != 0 &&
3006 zfs_get_type(zhp) == ZFS_TYPE_SNAPSHOT &&
3007 zfs_prop_get_int(zhp, ZFS_PROP_CREATETXG) >
3008 cbp->cb_create) {
3009
3010 if (cbp->cb_first && !cbp->cb_recurse) {
3011 (void) fprintf(stderr, gettext("cannot "
3012 "rollback to '%s': more recent snapshots "
3013 "exist\n"),
3014 cbp->cb_target);
3015 (void) fprintf(stderr, gettext("use '-r' to "
3016 "force deletion of the following "
3017 "snapshots:\n"));
3018 cbp->cb_first = 0;
3019 cbp->cb_error = 1;
3020 }
3021
3022 if (cbp->cb_recurse) {
3023 cbp->cb_dependent = B_TRUE;
3024 if (zfs_iter_dependents(zhp, B_TRUE,
3025 rollback_check, cbp) != 0) {
3026 zfs_close(zhp);
3027 return (-1);
3028 }
3029 cbp->cb_dependent = B_FALSE;
3030 } else {
3031 (void) fprintf(stderr, "%s\n",
3032 zfs_get_name(zhp));
3033 }
3034 }
3035 } else {
3036 if (cbp->cb_first && cbp->cb_recurse) {
3037 (void) fprintf(stderr, gettext("cannot rollback to "
3038 "'%s': clones of previous snapshots exist\n"),
3039 cbp->cb_target);
3040 (void) fprintf(stderr, gettext("use '-R' to "
3041 "force deletion of the following clones and "
3042 "dependents:\n"));
3043 cbp->cb_first = 0;
3044 cbp->cb_error = 1;
3045 }
3046
3047 (void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
3048 }
3049
3050 zfs_close(zhp);
3051 return (0);
3052}
3053
3054static int
3055zfs_do_rollback(int argc, char **argv)
3056{
3057 int ret;
3058 int c;
3059 boolean_t force = B_FALSE;
3060 rollback_cbdata_t cb = { 0 };
3061 zfs_handle_t *zhp, *snap;
3062 char parentname[ZFS_MAXNAMELEN];
3063 char *delim;
3064
3065 /* check options */
3066 while ((c = getopt(argc, argv, "rRf")) != -1) {
3067 switch (c) {
3068 case 'r':
3069 cb.cb_recurse = 1;
3070 break;
3071 case 'R':
3072 cb.cb_recurse = 1;
3073 cb.cb_doclones = 1;
3074 break;
3075 case 'f':
3076 force = B_TRUE;
3077 break;
3078 case '?':
3079 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3080 optopt);
3081 usage(B_FALSE);
3082 }
3083 }
3084
3085 argc -= optind;
3086 argv += optind;
3087
3088 /* check number of arguments */
3089 if (argc < 1) {
3090 (void) fprintf(stderr, gettext("missing dataset argument\n"));
3091 usage(B_FALSE);
3092 }
3093 if (argc > 1) {
3094 (void) fprintf(stderr, gettext("too many arguments\n"));
3095 usage(B_FALSE);
3096 }
3097
3098 /* open the snapshot */
3099 if ((snap = zfs_open(g_zfs, argv[0], ZFS_TYPE_SNAPSHOT)) == NULL)
3100 return (1);
3101
3102 /* open the parent dataset */
3103 (void) strlcpy(parentname, argv[0], sizeof (parentname));
3104 verify((delim = strrchr(parentname, '@')) != NULL);
3105 *delim = '\0';
3106 if ((zhp = zfs_open(g_zfs, parentname, ZFS_TYPE_DATASET)) == NULL) {
3107 zfs_close(snap);
3108 return (1);
3109 }
3110
3111 /*
3112 * Check for more recent snapshots and/or clones based on the presence
3113 * of '-r' and '-R'.
3114 */
3115 cb.cb_target = argv[0];
3116 cb.cb_create = zfs_prop_get_int(snap, ZFS_PROP_CREATETXG);
3117 cb.cb_first = B_TRUE;
3118 cb.cb_error = 0;
3119 if ((ret = zfs_iter_children(zhp, rollback_check, &cb)) != 0)
3120 goto out;
3121
3122 if ((ret = cb.cb_error) != 0)
3123 goto out;
3124
3125 /*
3126 * Rollback parent to the given snapshot.
3127 */
3128 ret = zfs_rollback(zhp, snap, force);
3129
3130out:
3131 zfs_close(snap);
3132 zfs_close(zhp);
3133
3134 if (ret == 0)
3135 return (0);
3136 else
3137 return (1);
3138}
3139
3140/*
3141 * zfs set property=value { fs | snap | vol } ...
3142 *
3143 * Sets the given property for all datasets specified on the command line.
3144 */
3145typedef struct set_cbdata {
3146 char *cb_propname;
3147 char *cb_value;
3148} set_cbdata_t;
3149
3150static int
3151set_callback(zfs_handle_t *zhp, void *data)
3152{
3153 set_cbdata_t *cbp = data;
3154
3155 if (zfs_prop_set(zhp, cbp->cb_propname, cbp->cb_value) != 0) {
3156 switch (libzfs_errno(g_zfs)) {
3157 case EZFS_MOUNTFAILED:
3158 (void) fprintf(stderr, gettext("property may be set "
3159 "but unable to remount filesystem\n"));
3160 break;
3161 case EZFS_SHARENFSFAILED:
3162 (void) fprintf(stderr, gettext("property may be set "
3163 "but unable to reshare filesystem\n"));
3164 break;
3165 }
3166 return (1);
3167 }
3168 return (0);
3169}
3170
3171static int
3172zfs_do_set(int argc, char **argv)
3173{
3174 set_cbdata_t cb;
3175 int ret;
3176
3177 /* check for options */
3178 if (argc > 1 && argv[1][0] == '-') {
3179 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3180 argv[1][1]);
3181 usage(B_FALSE);
3182 }
3183
3184 /* check number of arguments */
3185 if (argc < 2) {
3186 (void) fprintf(stderr, gettext("missing property=value "
3187 "argument\n"));
3188 usage(B_FALSE);
3189 }
3190 if (argc < 3) {
3191 (void) fprintf(stderr, gettext("missing dataset name\n"));
3192 usage(B_FALSE);
3193 }
3194
3195 /* validate property=value argument */
3196 cb.cb_propname = argv[1];
b128c09f
BB		 3197 if (((cb.cb_value = strchr(cb.cb_propname, '=')) == NULL) ||
3198 (cb.cb_value[1] == '\0')) {
34dc7c2f
BB		 3199 (void) fprintf(stderr, gettext("missing value in "
3200 "property=value argument\n"));
3201 usage(B_FALSE);
3202 }
3203
3204 *cb.cb_value = '\0';
3205 cb.cb_value++;
3206
3207 if (*cb.cb_propname == '\0') {
3208 (void) fprintf(stderr,
3209 gettext("missing property in property=value argument\n"));
3210 usage(B_FALSE);
3211 }
3212
b8864a23 3213 ret = zfs_for_each(argc - 2, argv + 2, 0,
9babb374 3214 ZFS_TYPE_DATASET, NULL, NULL, 0, set_callback, &cb);
34dc7c2f
BB		 3215
3216 return (ret);
3217}
3218
3219/*
b128c09f 3220 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
34dc7c2f
BB		 3221 *
3222 * Creates a snapshot with the given name. While functionally equivalent to
3223 * 'zfs create', it is a separate command to differentiate intent.
3224 */
3225static int
3226zfs_do_snapshot(int argc, char **argv)
3227{
3228 boolean_t recursive = B_FALSE;
3229 int ret;
b8864a23 3230 signed char c;
b128c09f
BB		 3231 nvlist_t *props;
3232
428870ff
BB		 3233 if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
3234 nomem();
34dc7c2f
BB		 3235
3236 /* check options */
b128c09f 3237 while ((c = getopt(argc, argv, "ro:")) != -1) {
34dc7c2f 3238 switch (c) {
b128c09f
BB		 3239 case 'o':
3240 if (parseprop(props))
3241 return (1);
3242 break;
34dc7c2f
BB		 3243 case 'r':
3244 recursive = B_TRUE;
3245 break;
3246 case '?':
3247 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3248 optopt);
b128c09f 3249 goto usage;
34dc7c2f
BB		 3250 }
3251 }
3252
3253 argc -= optind;
3254 argv += optind;
3255
3256 /* check number of arguments */
3257 if (argc < 1) {
3258 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
b128c09f 3259 goto usage;
34dc7c2f
BB		 3260 }
3261 if (argc > 1) {
3262 (void) fprintf(stderr, gettext("too many arguments\n"));
b128c09f 3263 goto usage;
34dc7c2f
BB		 3264 }
3265
b128c09f
BB		 3266 ret = zfs_snapshot(g_zfs, argv[0], recursive, props);
3267 nvlist_free(props);
34dc7c2f
BB		 3268 if (ret && recursive)
3269 (void) fprintf(stderr, gettext("no snapshots were created\n"));
3270 return (ret != 0);
b128c09f
BB		 3271
3272usage:
3273 nvlist_free(props);
3274 usage(B_FALSE);
3275 return (-1);
34dc7c2f
BB		 3276}
3277
3278/*
428870ff
BB		 3279 * zfs send [-vDp] -R [-i|-I <@snap>] <fs@snap>
3280 * zfs send [-vDp] [-i|-I <@snap>] <fs@snap>
34dc7c2f
BB		 3281 *
3282 * Send a backup stream to stdout.
3283 */
3284static int
3285zfs_do_send(int argc, char **argv)
3286{
3287 char *fromname = NULL;
3288 char *toname = NULL;
3289 char *cp;
3290 zfs_handle_t *zhp;
428870ff 3291 sendflags_t flags = { 0 };
34dc7c2f 3292 int c, err;
428870ff
BB		 3293 nvlist_t *dbgnv;
3294 boolean_t extraverbose = B_FALSE;
34dc7c2f
BB		 3295
3296 /* check options */
428870ff 3297 while ((c = getopt(argc, argv, ":i:I:RDpv")) != -1) {
34dc7c2f
BB		 3298 switch (c) {
3299 case 'i':
3300 if (fromname)
3301 usage(B_FALSE);
3302 fromname = optarg;
3303 break;
3304 case 'I':
3305 if (fromname)
3306 usage(B_FALSE);
3307 fromname = optarg;
428870ff 3308 flags.doall = B_TRUE;
34dc7c2f
BB		 3309 break;
3310 case 'R':
428870ff
BB		 3311 flags.replicate = B_TRUE;
3312 break;
3313 case 'p':
3314 flags.props = B_TRUE;
34dc7c2f
BB		 3315 break;
3316 case 'v':
428870ff
BB		 3317 if (flags.verbose)
3318 extraverbose = B_TRUE;
3319 flags.verbose = B_TRUE;
3320 break;
3321 case 'D':
3322 flags.dedup = B_TRUE;
34dc7c2f
BB		 3323 break;
3324 case ':':
3325 (void) fprintf(stderr, gettext("missing argument for "
3326 "'%c' option\n"), optopt);
3327 usage(B_FALSE);
3328 break;
3329 case '?':
3330 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3331 optopt);
3332 usage(B_FALSE);
3333 }
3334 }
3335
3336 argc -= optind;
3337 argv += optind;
3338
3339 /* check number of arguments */
3340 if (argc < 1) {
3341 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
3342 usage(B_FALSE);
3343 }
3344 if (argc > 1) {
3345 (void) fprintf(stderr, gettext("too many arguments\n"));
3346 usage(B_FALSE);
3347 }
3348
3349 if (isatty(STDOUT_FILENO)) {
3350 (void) fprintf(stderr,
3351 gettext("Error: Stream can not be written to a terminal.\n"
3352 "You must redirect standard output.\n"));
3353 return (1);
3354 }
3355
3356 cp = strchr(argv[0], '@');
3357 if (cp == NULL) {
3358 (void) fprintf(stderr,
3359 gettext("argument must be a snapshot\n"));
3360 usage(B_FALSE);
3361 }
0b7936d5
AS		 3362 *cp = '\0';
3363 toname = cp + 1;
3364 zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
3365 if (zhp == NULL)
3366 return (1);
3367
3368 /*
3369 * If they specified the full path to the snapshot, chop off
3370 * everything except the short name of the snapshot, but special
3371 * case if they specify the origin.
3372 */
3373 if (fromname && (cp = strchr(fromname, '@')) != NULL) {
3374 char origin[ZFS_MAXNAMELEN];
3375 zprop_source_t src;
3376
3377 (void) zfs_prop_get(zhp, ZFS_PROP_ORIGIN,
3378 origin, sizeof (origin), &src, NULL, 0, B_FALSE);
3379
3380 if (strcmp(origin, fromname) == 0) {
3381 fromname = NULL;
3382 flags.fromorigin = B_TRUE;
3383 } else {
3384 *cp = '\0';
3385 if (cp != fromname && strcmp(argv[0], fromname)) {
3386 (void) fprintf(stderr,
3387 gettext("incremental source must be "
3388 "in same filesystem\n"));
3389 usage(B_FALSE);
3390 }
3391 fromname = cp + 1;
3392 if (strchr(fromname, '@') || strchr(fromname, '/')) {
3393 (void) fprintf(stderr,
3394 gettext("invalid incremental source\n"));
3395 usage(B_FALSE);
3396 }
3397 }
3398 }
3399
3400 if (flags.replicate && fromname == NULL)
3401 flags.doall = B_TRUE;
3402
3403 err = zfs_send(zhp, fromname, toname, flags, STDOUT_FILENO, NULL, 0,
3404 extraverbose ? &dbgnv : NULL);
3405
3406 if (extraverbose) {
3407 /*
3408 * dump_nvlist prints to stdout, but that's been
3409 * redirected to a file. Make it print to stderr
3410 * instead.
3411 */
3412 (void) dup2(STDERR_FILENO, STDOUT_FILENO);
3413 dump_nvlist(dbgnv, 0);
3414 nvlist_free(dbgnv);
3415 }
3416 zfs_close(zhp);
3417
3418 return (err != 0);
3419}
3420
3421/*
3422 * zfs receive [-vnFu] [-d | -e] <fs@snap>
3423 *
3424 * Restore a backup stream from stdin.
3425 */
3426static int
3427zfs_do_receive(int argc, char **argv)
3428{
3429 int c, err;
3430 recvflags_t flags = { 0 };
3431
3432 /* check options */
3433 while ((c = getopt(argc, argv, ":denuvF")) != -1) {
3434 switch (c) {
3435 case 'd':
3436 flags.isprefix = B_TRUE;
3437 break;
3438 case 'e':
3439 flags.isprefix = B_TRUE;
3440 flags.istail = B_TRUE;
3441 break;
3442 case 'n':
3443 flags.dryrun = B_TRUE;
3444 break;
3445 case 'u':
3446 flags.nomount = B_TRUE;
3447 break;
3448 case 'v':
3449 flags.verbose = B_TRUE;
3450 break;
3451 case 'F':
3452 flags.force = B_TRUE;
3453 break;
3454 case ':':
3455 (void) fprintf(stderr, gettext("missing argument for "
3456 "'%c' option\n"), optopt);
3457 usage(B_FALSE);
3458 break;
3459 case '?':
3460 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3461 optopt);
3462 usage(B_FALSE);
3463 }
3464 }
3465
3466 argc -= optind;
3467 argv += optind;
3468
3469 /* check number of arguments */
3470 if (argc < 1) {
3471 (void) fprintf(stderr, gettext("missing snapshot argument\n"));
3472 usage(B_FALSE);
3473 }
3474 if (argc > 1) {
3475 (void) fprintf(stderr, gettext("too many arguments\n"));
3476 usage(B_FALSE);
3477 }
3478
3479 if (isatty(STDIN_FILENO)) {
3480 (void) fprintf(stderr,
3481 gettext("Error: Backup stream can not be read "
3482 "from a terminal.\n"
3483 "You must redirect standard input.\n"));
3484 return (1);
3485 }
3486
3487 err = zfs_receive(g_zfs, argv[0], flags, STDIN_FILENO, NULL);
3488
3489 return (err != 0);
3490}
3491
3492/*
3493 * allow/unallow stuff
3494 */
3495/* copied from zfs/sys/dsl_deleg.h */
3496#define ZFS_DELEG_PERM_CREATE "create"
3497#define ZFS_DELEG_PERM_DESTROY "destroy"
3498#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
3499#define ZFS_DELEG_PERM_ROLLBACK "rollback"
3500#define ZFS_DELEG_PERM_CLONE "clone"
3501#define ZFS_DELEG_PERM_PROMOTE "promote"
3502#define ZFS_DELEG_PERM_RENAME "rename"
3503#define ZFS_DELEG_PERM_MOUNT "mount"
3504#define ZFS_DELEG_PERM_SHARE "share"
3505#define ZFS_DELEG_PERM_SEND "send"
3506#define ZFS_DELEG_PERM_RECEIVE "receive"
3507#define ZFS_DELEG_PERM_ALLOW "allow"
3508#define ZFS_DELEG_PERM_USERPROP "userprop"
3509#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
3510#define ZFS_DELEG_PERM_USERQUOTA "userquota"
3511#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
3512#define ZFS_DELEG_PERM_USERUSED "userused"
3513#define ZFS_DELEG_PERM_GROUPUSED "groupused"
3514#define ZFS_DELEG_PERM_HOLD "hold"
3515#define ZFS_DELEG_PERM_RELEASE "release"
3516#define ZFS_DELEG_PERM_DIFF "diff"
3517
3518#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
3519
3520static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
3521 { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
3522 { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
3523 { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
3524 { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
3525 { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
3526 { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
3527 { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
3528 { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
3529 { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
3530 { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
3531 { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
3532 { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
3533 { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
3534 { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
3535 { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
3536
3537 { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
3538 { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
3539 { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
3540 { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
3541 { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
3542 { NULL, ZFS_DELEG_NOTE_NONE }
3543};
3544
3545/* permission structure */
3546typedef struct deleg_perm {
3547 zfs_deleg_who_type_t dp_who_type;
3548 const char *dp_name;
3549 boolean_t dp_local;
3550 boolean_t dp_descend;
3551} deleg_perm_t;
3552
3553/* */
3554typedef struct deleg_perm_node {
3555 deleg_perm_t dpn_perm;
3556
3557 uu_avl_node_t dpn_avl_node;
3558} deleg_perm_node_t;
3559
3560typedef struct fs_perm fs_perm_t;
3561
3562/* permissions set */
3563typedef struct who_perm {
3564 zfs_deleg_who_type_t who_type;
3565 const char *who_name; /* id */
3566 char who_ug_name[256]; /* user/group name */
3567 fs_perm_t *who_fsperm; /* uplink */
3568
3569 uu_avl_t *who_deleg_perm_avl; /* permissions */
3570} who_perm_t;
3571
3572/* */
3573typedef struct who_perm_node {
3574 who_perm_t who_perm;
3575 uu_avl_node_t who_avl_node;
3576} who_perm_node_t;
3577
3578typedef struct fs_perm_set fs_perm_set_t;
3579/* fs permissions */
3580struct fs_perm {
3581 const char *fsp_name;
3582
3583 uu_avl_t *fsp_sc_avl; /* sets,create */
3584 uu_avl_t *fsp_uge_avl; /* user,group,everyone */
3585
3586 fs_perm_set_t *fsp_set; /* uplink */
3587};
3588
3589/* */
3590typedef struct fs_perm_node {
3591 fs_perm_t fspn_fsperm;
3592 uu_avl_t *fspn_avl;
3593
3594 uu_list_node_t fspn_list_node;
3595} fs_perm_node_t;
3596
3597/* top level structure */
3598struct fs_perm_set {
3599 uu_list_pool_t *fsps_list_pool;
3600 uu_list_t *fsps_list; /* list of fs_perms */
3601
3602 uu_avl_pool_t *fsps_named_set_avl_pool;
3603 uu_avl_pool_t *fsps_who_perm_avl_pool;
3604 uu_avl_pool_t *fsps_deleg_perm_avl_pool;
3605};
3606
3607static inline const char *
3608deleg_perm_type(zfs_deleg_note_t note)
3609{
3610 /* subcommands */
3611 switch (note) {
3612 /* SUBCOMMANDS */
3613 /* OTHER */
3614 case ZFS_DELEG_NOTE_GROUPQUOTA:
3615 case ZFS_DELEG_NOTE_GROUPUSED:
3616 case ZFS_DELEG_NOTE_USERPROP:
3617 case ZFS_DELEG_NOTE_USERQUOTA:
3618 case ZFS_DELEG_NOTE_USERUSED:
3619 /* other */
3620 return (gettext("other"));
3621 default:
3622 return (gettext("subcommand"));
3623 }
3624}
3625
3626static int inline
3627who_type2weight(zfs_deleg_who_type_t who_type)
3628{
3629 int res;
3630 switch (who_type) {
3631 case ZFS_DELEG_NAMED_SET_SETS:
3632 case ZFS_DELEG_NAMED_SET:
3633 res = 0;
3634 break;
3635 case ZFS_DELEG_CREATE_SETS:
3636 case ZFS_DELEG_CREATE:
3637 res = 1;
3638 break;
3639 case ZFS_DELEG_USER_SETS:
3640 case ZFS_DELEG_USER:
3641 res = 2;
3642 break;
3643 case ZFS_DELEG_GROUP_SETS:
3644 case ZFS_DELEG_GROUP:
3645 res = 3;
3646 break;
3647 case ZFS_DELEG_EVERYONE_SETS:
3648 case ZFS_DELEG_EVERYONE:
3649 res = 4;
3650 break;
3651 default:
3652 res = -1;
3653 }
3654
3655 return (res);
3656}
3657
3658/* ARGSUSED */
3659static int
3660who_perm_compare(const void *larg, const void *rarg, void *unused)
3661{
3662 const who_perm_node_t *l = larg;
3663 const who_perm_node_t *r = rarg;
3664 zfs_deleg_who_type_t ltype = l->who_perm.who_type;
3665 zfs_deleg_who_type_t rtype = r->who_perm.who_type;
3666 int lweight = who_type2weight(ltype);
3667 int rweight = who_type2weight(rtype);
3668 int res = lweight - rweight;
3669 if (res == 0)
3670 res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
3671 ZFS_MAX_DELEG_NAME-1);
3672
3673 if (res == 0)
3674 return (0);
3675 if (res > 0)
3676 return (1);
3677 else
3678 return (-1);
3679}
3680
3681/* ARGSUSED */
3682static int
3683deleg_perm_compare(const void *larg, const void *rarg, void *unused)
3684{
3685 const deleg_perm_node_t *l = larg;
3686 const deleg_perm_node_t *r = rarg;
3687 int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
3688 ZFS_MAX_DELEG_NAME-1);
3689
3690 if (res == 0)
3691 return (0);
3692
3693 if (res > 0)
3694 return (1);
3695 else
3696 return (-1);
3697}
3698
3699static inline void
3700fs_perm_set_init(fs_perm_set_t *fspset)
3701{
3702 bzero(fspset, sizeof (fs_perm_set_t));
3703
3704 if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
3705 sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
3706 NULL, UU_DEFAULT)) == NULL)
3707 nomem();
3708 if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
3709 UU_DEFAULT)) == NULL)
3710 nomem();
3711
3712 if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
3713 "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
3714 who_perm_node_t, who_avl_node), who_perm_compare,
3715 UU_DEFAULT)) == NULL)
3716 nomem();
3717
3718 if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
3719 "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
3720 who_perm_node_t, who_avl_node), who_perm_compare,
3721 UU_DEFAULT)) == NULL)
3722 nomem();
3723
3724 if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
3725 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
3726 deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
3727 == NULL)
3728 nomem();
3729}
3730
3731static inline void fs_perm_fini(fs_perm_t *);
3732static inline void who_perm_fini(who_perm_t *);
3733
3734static inline void
3735fs_perm_set_fini(fs_perm_set_t *fspset)
3736{
3737 fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
3738
3739 while (node != NULL) {
3740 fs_perm_node_t *next_node =
3741 uu_list_next(fspset->fsps_list, node);
3742 fs_perm_t *fsperm = &node->fspn_fsperm;
3743 fs_perm_fini(fsperm);
3744 uu_list_remove(fspset->fsps_list, node);
3745 free(node);
3746 node = next_node;
3747 }
3748
3749 uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
3750 uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
3751 uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
3752}
3753
3754static inline void
3755deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
3756 const char *name)
3757{
3758 deleg_perm->dp_who_type = type;
3759 deleg_perm->dp_name = name;
3760}
3761
3762static inline void
3763who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
3764 zfs_deleg_who_type_t type, const char *name)
3765{
3766 uu_avl_pool_t *pool;
3767 pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
3768
3769 bzero(who_perm, sizeof (who_perm_t));
3770
3771 if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
3772 UU_DEFAULT)) == NULL)
3773 nomem();
3774
3775 who_perm->who_type = type;
3776 who_perm->who_name = name;
3777 who_perm->who_fsperm = fsperm;
3778}
3779
3780static inline void
3781who_perm_fini(who_perm_t *who_perm)
3782{
3783 deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
3784
3785 while (node != NULL) {
3786 deleg_perm_node_t *next_node =
3787 uu_avl_next(who_perm->who_deleg_perm_avl, node);
3788
3789 uu_avl_remove(who_perm->who_deleg_perm_avl, node);
3790 free(node);
3791 node = next_node;
3792 }
3793
3794 uu_avl_destroy(who_perm->who_deleg_perm_avl);
3795}
3796
3797static inline void
3798fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
3799{
3800 uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
3801 uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
3802
3803 bzero(fsperm, sizeof (fs_perm_t));
3804
3805 if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
3806 == NULL)
3807 nomem();
3808
3809 if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
3810 == NULL)
3811 nomem();
3812
3813 fsperm->fsp_set = fspset;
3814 fsperm->fsp_name = fsname;
3815}
3816
3817static inline void
3818fs_perm_fini(fs_perm_t *fsperm)
3819{
3820 who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
3821 while (node != NULL) {
3822 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
3823 node);
3824 who_perm_t *who_perm = &node->who_perm;
3825 who_perm_fini(who_perm);
3826 uu_avl_remove(fsperm->fsp_sc_avl, node);
3827 free(node);
3828 node = next_node;
3829 }
3830
3831 node = uu_avl_first(fsperm->fsp_uge_avl);
3832 while (node != NULL) {
3833 who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
3834 node);
3835 who_perm_t *who_perm = &node->who_perm;
3836 who_perm_fini(who_perm);
3837 uu_avl_remove(fsperm->fsp_uge_avl, node);
3838 free(node);
3839 node = next_node;
3840 }
3841
3842 uu_avl_destroy(fsperm->fsp_sc_avl);
3843 uu_avl_destroy(fsperm->fsp_uge_avl);
3844}
3845
3846static void inline
3847set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
3848 zfs_deleg_who_type_t who_type, const char *name, char locality)
3849{
3850 uu_avl_index_t idx = 0;
3851
3852 deleg_perm_node_t *found_node = NULL;
3853 deleg_perm_t *deleg_perm = &node->dpn_perm;
3854
3855 deleg_perm_init(deleg_perm, who_type, name);
3856
3857 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
3858 == NULL)
3859 uu_avl_insert(avl, node, idx);
3860 else {
3861 node = found_node;
3862 deleg_perm = &node->dpn_perm;
3863 }
3864
3865
3866 switch (locality) {
3867 case ZFS_DELEG_LOCAL:
3868 deleg_perm->dp_local = B_TRUE;
3869 break;
3870 case ZFS_DELEG_DESCENDENT:
3871 deleg_perm->dp_descend = B_TRUE;
3872 break;
3873 case ZFS_DELEG_NA:
3874 break;
3875 default:
3876 assert(B_FALSE); /* invalid locality */
3877 }
3878}
3879
3880static inline int
3881parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
3882{
3883 nvpair_t *nvp = NULL;
3884 fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
3885 uu_avl_t *avl = who_perm->who_deleg_perm_avl;
3886 zfs_deleg_who_type_t who_type = who_perm->who_type;
3887
3888 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
3889 const char *name = nvpair_name(nvp);
3890 data_type_t type = nvpair_type(nvp);
3891 uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
3892 deleg_perm_node_t *node =
3893 safe_malloc(sizeof (deleg_perm_node_t));
3894
3895 VERIFY(type == DATA_TYPE_BOOLEAN);
3896
3897 uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
3898 set_deleg_perm_node(avl, node, who_type, name, locality);
3899 }
3900
3901 return (0);
3902}
3903
3904static inline int
3905parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
3906{
3907 nvpair_t *nvp = NULL;
3908 fs_perm_set_t *fspset = fsperm->fsp_set;
3909
3910 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
3911 nvlist_t *nvl2 = NULL;
3912 const char *name = nvpair_name(nvp);
3913 uu_avl_t *avl = NULL;
3914 uu_avl_pool_t *avl_pool = NULL;
3915 zfs_deleg_who_type_t perm_type = name[0];
3916 char perm_locality = name[1];
3917 const char *perm_name = name + 3;
3918 boolean_t is_set = B_TRUE;
3919 who_perm_t *who_perm = NULL;
3920
3921 assert('$' == name[2]);
3922
3923 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
3924 return (-1);
3925
3926 switch (perm_type) {
3927 case ZFS_DELEG_CREATE:
3928 case ZFS_DELEG_CREATE_SETS:
3929 case ZFS_DELEG_NAMED_SET:
3930 case ZFS_DELEG_NAMED_SET_SETS:
3931 avl_pool = fspset->fsps_named_set_avl_pool;
3932 avl = fsperm->fsp_sc_avl;
3933 break;
3934 case ZFS_DELEG_USER:
3935 case ZFS_DELEG_USER_SETS:
3936 case ZFS_DELEG_GROUP:
3937 case ZFS_DELEG_GROUP_SETS:
3938 case ZFS_DELEG_EVERYONE:
3939 case ZFS_DELEG_EVERYONE_SETS:
3940 avl_pool = fspset->fsps_who_perm_avl_pool;
3941 avl = fsperm->fsp_uge_avl;
3942 break;
3943 default:
3944 break;
3945 }
3946
3947 if (is_set) {
3948 who_perm_node_t *found_node = NULL;
3949 who_perm_node_t *node = safe_malloc(
3950 sizeof (who_perm_node_t));
3951 who_perm = &node->who_perm;
3952 uu_avl_index_t idx = 0;
3953
3954 uu_avl_node_init(node, &node->who_avl_node, avl_pool);
3955 who_perm_init(who_perm, fsperm, perm_type, perm_name);
3956
3957 if ((found_node = uu_avl_find(avl, node, NULL, &idx))
3958 == NULL) {
3959 if (avl == fsperm->fsp_uge_avl) {
3960 uid_t rid = 0;
3961 struct passwd *p = NULL;
3962 struct group *g = NULL;
3963 const char *nice_name = NULL;
3964
3965 switch (perm_type) {
3966 case ZFS_DELEG_USER_SETS:
3967 case ZFS_DELEG_USER:
3968 rid = atoi(perm_name);
3969 p = getpwuid(rid);
3970 if (p)
3971 nice_name = p->pw_name;
3972 break;
3973 case ZFS_DELEG_GROUP_SETS:
3974 case ZFS_DELEG_GROUP:
3975 rid = atoi(perm_name);
3976 g = getgrgid(rid);
3977 if (g)
3978 nice_name = g->gr_name;
3979 break;
3980 default:
3981 break;
3982 }
3983
3984 if (nice_name != NULL)
3985 (void) strlcpy(
3986 node->who_perm.who_ug_name,
3987 nice_name, 256);
3988 }
3989
3990 uu_avl_insert(avl, node, idx);
3991 } else {
3992 node = found_node;
3993 who_perm = &node->who_perm;
3994 }
3995 }
3996
3997 (void) parse_who_perm(who_perm, nvl2, perm_locality);
3998 }
3999
4000 return (0);
4001}
4002
4003static inline int
4004parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
4005{
4006 nvpair_t *nvp = NULL;
4007 uu_avl_index_t idx = 0;
4008
4009 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4010 nvlist_t *nvl2 = NULL;
4011 const char *fsname = nvpair_name(nvp);
4012 data_type_t type = nvpair_type(nvp);
4013 fs_perm_t *fsperm = NULL;
4014 fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
4015 if (node == NULL)
4016 nomem();
4017
4018 fsperm = &node->fspn_fsperm;
4019
4020 VERIFY(DATA_TYPE_NVLIST == type);
4021
4022 uu_list_node_init(node, &node->fspn_list_node,
4023 fspset->fsps_list_pool);
4024
4025 idx = uu_list_numnodes(fspset->fsps_list);
4026 fs_perm_init(fsperm, fspset, fsname);
4027
4028 if (nvpair_value_nvlist(nvp, &nvl2) != 0)
4029 return (-1);
4030
4031 (void) parse_fs_perm(fsperm, nvl2);
4032
4033 uu_list_insert(fspset->fsps_list, node, idx);
4034 }
4035
4036 return (0);
4037}
4038
4039static inline const char *
4040deleg_perm_comment(zfs_deleg_note_t note)
4041{
4042 const char *str = "";
4043
4044 /* subcommands */
4045 switch (note) {
4046 /* SUBCOMMANDS */
4047 case ZFS_DELEG_NOTE_ALLOW:
4048 str = gettext("Must also have the permission that is being"
4049 "\n\t\t\t\tallowed");
4050 break;
4051 case ZFS_DELEG_NOTE_CLONE:
4052 str = gettext("Must also have the 'create' ability and 'mount'"
4053 "\n\t\t\t\tability in the origin file system");
4054 break;
4055 case ZFS_DELEG_NOTE_CREATE:
4056 str = gettext("Must also have the 'mount' ability");
4057 break;
4058 case ZFS_DELEG_NOTE_DESTROY:
4059 str = gettext("Must also have the 'mount' ability");
4060 break;
4061 case ZFS_DELEG_NOTE_DIFF:
4062 str = gettext("Allows lookup of paths within a dataset;"
4063 "\n\t\t\t\tgiven an object number. Ordinary users need this"
4064 "\n\t\t\t\tin order to use zfs diff");
4065 break;
4066 case ZFS_DELEG_NOTE_HOLD:
4067 str = gettext("Allows adding a user hold to a snapshot");
4068 break;
4069 case ZFS_DELEG_NOTE_MOUNT:
4070 str = gettext("Allows mount/umount of ZFS datasets");
4071 break;
4072 case ZFS_DELEG_NOTE_PROMOTE:
4073 str = gettext("Must also have the 'mount'\n\t\t\t\tand"
4074 " 'promote' ability in the origin file system");
4075 break;
4076 case ZFS_DELEG_NOTE_RECEIVE:
4077 str = gettext("Must also have the 'mount' and 'create'"
4078 " ability");
4079 break;
4080 case ZFS_DELEG_NOTE_RELEASE:
4081 str = gettext("Allows releasing a user hold which\n\t\t\t\t"
4082 "might destroy the snapshot");
4083 break;
4084 case ZFS_DELEG_NOTE_RENAME:
4085 str = gettext("Must also have the 'mount' and 'create'"
4086 "\n\t\t\t\tability in the new parent");
4087 break;
4088 case ZFS_DELEG_NOTE_ROLLBACK:
4089 str = gettext("");
4090 break;
4091 case ZFS_DELEG_NOTE_SEND:
4092 str = gettext("");
4093 break;
4094 case ZFS_DELEG_NOTE_SHARE:
4095 str = gettext("Allows sharing file systems over NFS or SMB"
4096 "\n\t\t\t\tprotocols");
4097 break;
4098 case ZFS_DELEG_NOTE_SNAPSHOT:
4099 str = gettext("");
4100 break;
4101/*
4102 * case ZFS_DELEG_NOTE_VSCAN:
4103 * str = gettext("");
4104 * break;
4105 */
4106 /* OTHER */
4107 case ZFS_DELEG_NOTE_GROUPQUOTA:
4108 str = gettext("Allows accessing any groupquota@... property");
4109 break;
4110 case ZFS_DELEG_NOTE_GROUPUSED:
4111 str = gettext("Allows reading any groupused@... property");
4112 break;
4113 case ZFS_DELEG_NOTE_USERPROP:
4114 str = gettext("Allows changing any user property");
4115 break;
4116 case ZFS_DELEG_NOTE_USERQUOTA:
4117 str = gettext("Allows accessing any userquota@... property");
4118 break;
4119 case ZFS_DELEG_NOTE_USERUSED:
4120 str = gettext("Allows reading any userused@... property");
4121 break;
4122 /* other */
4123 default:
4124 str = "";
4125 }
4126
4127 return (str);
4128}
4129
4130struct allow_opts {
4131 boolean_t local;
4132 boolean_t descend;
4133 boolean_t user;
4134 boolean_t group;
4135 boolean_t everyone;
4136 boolean_t create;
4137 boolean_t set;
4138 boolean_t recursive; /* unallow only */
4139 boolean_t prt_usage;
4140
4141 boolean_t prt_perms;
4142 char *who;
4143 char *perms;
4144 const char *dataset;
4145};
4146
4147static inline int
4148prop_cmp(const void *a, const void *b)
4149{
4150 const char *str1 = *(const char **)a;
4151 const char *str2 = *(const char **)b;
4152 return (strcmp(str1, str2));
4153}
4154
4155static void
4156allow_usage(boolean_t un, boolean_t requested, const char *msg)
4157{
4158 const char *opt_desc[] = {
4159 "-h", gettext("show this help message and exit"),
4160 "-l", gettext("set permission locally"),
4161 "-d", gettext("set permission for descents"),
4162 "-u", gettext("set permission for user"),
4163 "-g", gettext("set permission for group"),
4164 "-e", gettext("set permission for everyone"),
4165 "-c", gettext("set create time permission"),
4166 "-s", gettext("define permission set"),
4167 /* unallow only */
4168 "-r", gettext("remove permissions recursively"),
4169 };
4170 size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
4171 size_t allow_size = unallow_size - 2;
4172 const char *props[ZFS_NUM_PROPS];
4173 int i;
4174 size_t count = 0;
4175 FILE *fp = requested ? stdout : stderr;
4176 zprop_desc_t *pdtbl = zfs_prop_get_table();
4177 const char *fmt = gettext("%-16s %-14s\t%s\n");
4178
4179 (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
4180 HELP_ALLOW));
4181 (void) fprintf(fp, gettext("Options:\n"));
4182 for (i = 0; i < (un ? unallow_size : allow_size); i++) {
4183 const char *opt = opt_desc[i++];
4184 const char *optdsc = opt_desc[i];
4185 (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
4186 }
4187
4188 (void) fprintf(fp, gettext("\nThe following permissions are "
4189 "supported:\n\n"));
4190 (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
4191 gettext("NOTES"));
4192 for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
4193 const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
4194 zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
4195 const char *perm_type = deleg_perm_type(perm_note);
4196 const char *perm_comment = deleg_perm_comment(perm_note);
4197 (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
4198 }
4199
4200 for (i = 0; i < ZFS_NUM_PROPS; i++) {
4201 zprop_desc_t *pd = &pdtbl[i];
4202 if (pd->pd_visible != B_TRUE)
4203 continue;
4204
4205 if (pd->pd_attr == PROP_READONLY)
4206 continue;
4207
4208 props[count++] = pd->pd_name;
4209 }
4210 props[count] = NULL;
4211
4212 qsort(props, count, sizeof (char *), prop_cmp);
4213
4214 for (i = 0; i < count; i++)
4215 (void) fprintf(fp, fmt, props[i], gettext("property"), "");
4216
4217 if (msg != NULL)
4218 (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
4219
4220 exit(requested ? 0 : 2);
4221}
4222
4223static inline const char *
4224munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
4225 char **permsp)
4226{
4227 if (un && argc == expected_argc - 1)
4228 *permsp = NULL;
4229 else if (argc == expected_argc)
4230 *permsp = argv[argc - 2];
4231 else
4232 allow_usage(un, B_FALSE,
4233 gettext("wrong number of parameters\n"));
4234
4235 return (argv[argc - 1]);
4236}
4237
4238static void
4239parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
4240{
4241 int uge_sum = opts->user + opts->group + opts->everyone;
4242 int csuge_sum = opts->create + opts->set + uge_sum;
4243 int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
4244 int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
4245
4246 if (uge_sum > 1)
4247 allow_usage(un, B_FALSE,
4248 gettext("-u, -g, and -e are mutually exclusive\n"));
4249
4250 if (opts->prt_usage) {
4251 if (argc == 0 && all_sum == 0)
4252 allow_usage(un, B_TRUE, NULL);
4253 else
4254 usage(B_FALSE);
4255 }
4256
4257 if (opts->set) {
4258 if (csuge_sum > 1)
4259 allow_usage(un, B_FALSE,
4260 gettext("invalid options combined with -s\n"));
4261
4262 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
4263 if (argv[0][0] != '@')
4264 allow_usage(un, B_FALSE,
4265 gettext("invalid set name: missing '@' prefix\n"));
4266 opts->who = argv[0];
4267 } else if (opts->create) {
4268 if (ldcsuge_sum > 1)
4269 allow_usage(un, B_FALSE,
4270 gettext("invalid options combined with -c\n"));
4271 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
4272 } else if (opts->everyone) {
4273 if (csuge_sum > 1)
4274 allow_usage(un, B_FALSE,
4275 gettext("invalid options combined with -e\n"));
4276 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
4277 } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
4278 == 0) {
4279 opts->everyone = B_TRUE;
4280 argc--;
4281 argv++;
4282 opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
4283 } else if (argc == 1) {
4284 opts->prt_perms = B_TRUE;
4285 opts->dataset = argv[argc-1];
4286 } else {
4287 opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
4288 opts->who = argv[0];
4289 }
4290
4291 if (!opts->local && !opts->descend) {
4292 opts->local = B_TRUE;
4293 opts->descend = B_TRUE;
4294 }
4295}
4296
4297static void
4298store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
4299 const char *who, char *perms, nvlist_t *top_nvl)
4300{
4301 int i;
4302 char ld[2] = { '\0', '\0' };
4303 char who_buf[ZFS_MAXNAMELEN+32];
4304 char base_type = ZFS_DELEG_WHO_UNKNOWN;
4305 char set_type = ZFS_DELEG_WHO_UNKNOWN;
4306 nvlist_t *base_nvl = NULL;
4307 nvlist_t *set_nvl = NULL;
4308 nvlist_t *nvl;
4309
4310 if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
4311 nomem();
4312 if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
4313 nomem();
4314
4315 switch (type) {
4316 case ZFS_DELEG_NAMED_SET_SETS:
4317 case ZFS_DELEG_NAMED_SET:
4318 set_type = ZFS_DELEG_NAMED_SET_SETS;
4319 base_type = ZFS_DELEG_NAMED_SET;
4320 ld[0] = ZFS_DELEG_NA;
4321 break;
4322 case ZFS_DELEG_CREATE_SETS:
4323 case ZFS_DELEG_CREATE:
4324 set_type = ZFS_DELEG_CREATE_SETS;
4325 base_type = ZFS_DELEG_CREATE;
4326 ld[0] = ZFS_DELEG_NA;
4327 break;
4328 case ZFS_DELEG_USER_SETS:
4329 case ZFS_DELEG_USER:
4330 set_type = ZFS_DELEG_USER_SETS;
4331 base_type = ZFS_DELEG_USER;
4332 if (local)
4333 ld[0] = ZFS_DELEG_LOCAL;
4334 if (descend)
4335 ld[1] = ZFS_DELEG_DESCENDENT;
4336 break;
4337 case ZFS_DELEG_GROUP_SETS:
4338 case ZFS_DELEG_GROUP:
4339 set_type = ZFS_DELEG_GROUP_SETS;
4340 base_type = ZFS_DELEG_GROUP;
4341 if (local)
4342 ld[0] = ZFS_DELEG_LOCAL;
4343 if (descend)
4344 ld[1] = ZFS_DELEG_DESCENDENT;
4345 break;
4346 case ZFS_DELEG_EVERYONE_SETS:
4347 case ZFS_DELEG_EVERYONE:
4348 set_type = ZFS_DELEG_EVERYONE_SETS;
4349 base_type = ZFS_DELEG_EVERYONE;
4350 if (local)
4351 ld[0] = ZFS_DELEG_LOCAL;
4352 if (descend)
4353 ld[1] = ZFS_DELEG_DESCENDENT;
4354 default:
4355 break;
4356 }
4357
4358 if (perms != NULL) {
4359 char *curr = perms;
4360 char *end = curr + strlen(perms);
4361
4362 while (curr < end) {
4363 char *delim = strchr(curr, ',');
4364 if (delim == NULL)
4365 delim = end;
4366 else
4367 *delim = '\0';
4368
4369 if (curr[0] == '@')
4370 nvl = set_nvl;
4371 else
4372 nvl = base_nvl;
4373
4374 (void) nvlist_add_boolean(nvl, curr);
4375 if (delim != end)
4376 *delim = ',';
4377 curr = delim + 1;
4378 }
4379
4380 for (i = 0; i < 2; i++) {
4381 char locality = ld[i];
4382 if (locality == 0)
4383 continue;
4384
4385 if (!nvlist_empty(base_nvl)) {
4386 if (who != NULL)
4387 (void) snprintf(who_buf,
4388 sizeof (who_buf), "%c%c$%s",
4389 base_type, locality, who);
4390 else
4391 (void) snprintf(who_buf,
4392 sizeof (who_buf), "%c%c$",
4393 base_type, locality);
4394
4395 (void) nvlist_add_nvlist(top_nvl, who_buf,
4396 base_nvl);
4397 }
4398
4399
4400 if (!nvlist_empty(set_nvl)) {
4401 if (who != NULL)
4402 (void) snprintf(who_buf,
4403 sizeof (who_buf), "%c%c$%s",
4404 set_type, locality, who);
4405 else
4406 (void) snprintf(who_buf,
4407 sizeof (who_buf), "%c%c$",
4408 set_type, locality);
4409
4410 (void) nvlist_add_nvlist(top_nvl, who_buf,
4411 set_nvl);
4412 }
4413 }
4414 } else {
4415 for (i = 0; i < 2; i++) {
4416 char locality = ld[i];
4417 if (locality == 0)
4418 continue;
4419
4420 if (who != NULL)
4421 (void) snprintf(who_buf, sizeof (who_buf),
4422 "%c%c$%s", base_type, locality, who);
4423 else
4424 (void) snprintf(who_buf, sizeof (who_buf),
4425 "%c%c$", base_type, locality);
4426 (void) nvlist_add_boolean(top_nvl, who_buf);
4427
4428 if (who != NULL)
4429 (void) snprintf(who_buf, sizeof (who_buf),
4430 "%c%c$%s", set_type, locality, who);
4431 else
4432 (void) snprintf(who_buf, sizeof (who_buf),
4433 "%c%c$", set_type, locality);
4434 (void) nvlist_add_boolean(top_nvl, who_buf);
4435 }
4436 }
4437}
4438
4439static int
4440construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
4441{
4442 if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
4443 nomem();
4444
4445 if (opts->set) {
4446 store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
4447 opts->descend, opts->who, opts->perms, *nvlp);
4448 } else if (opts->create) {
4449 store_allow_perm(ZFS_DELEG_CREATE, opts->local,
4450 opts->descend, NULL, opts->perms, *nvlp);
4451 } else if (opts->everyone) {
4452 store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
4453 opts->descend, NULL, opts->perms, *nvlp);
4454 } else {
4455 char *curr = opts->who;
4456 char *end = curr + strlen(curr);
4457
4458 while (curr < end) {
4459 const char *who;
4c069d34 4460 zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
0b7936d5
AS		 4461 char *endch;
4462 char *delim = strchr(curr, ',');
4463 char errbuf[256];
4464 char id[64];
4465 struct passwd *p = NULL;
4466 struct group *g = NULL;
4467
4468 uid_t rid;
4469 if (delim == NULL)
4470 delim = end;
4471 else
4472 *delim = '\0';
4473
4474 rid = (uid_t)strtol(curr, &endch, 0);
4475 if (opts->user) {
4476 who_type = ZFS_DELEG_USER;
4477 if (*endch != '\0')
4478 p = getpwnam(curr);
4479 else
4480 p = getpwuid(rid);
4481
4482 if (p != NULL)
4483 rid = p->pw_uid;
4484 else {
4485 (void) snprintf(errbuf, 256, gettext(
4486 "invalid user %s"), curr);
4487 allow_usage(un, B_TRUE, errbuf);
4488 }
4489 } else if (opts->group) {
4490 who_type = ZFS_DELEG_GROUP;
4491 if (*endch != '\0')
4492 g = getgrnam(curr);
4493 else
4494 g = getgrgid(rid);
4495
4496 if (g != NULL)
4497 rid = g->gr_gid;
4498 else {
4499 (void) snprintf(errbuf, 256, gettext(
4500 "invalid group %s"), curr);
4501 allow_usage(un, B_TRUE, errbuf);
4502 }
4503 } else {
4504 if (*endch != '\0') {
4505 p = getpwnam(curr);
4506 } else {
4507 p = getpwuid(rid);
4508 }
4509
4510 if (p == NULL) {
4511 if (*endch != '\0') {
4512 g = getgrnam(curr);
4513 } else {
4514 g = getgrgid(rid);
4515 }
4516 }
4517
4518 if (p != NULL) {
4519 who_type = ZFS_DELEG_USER;
4520 rid = p->pw_uid;
4521 } else if (g != NULL) {
4522 who_type = ZFS_DELEG_GROUP;
4523 rid = g->gr_gid;
4524 } else {
4525 (void) snprintf(errbuf, 256, gettext(
4526 "invalid user/group %s"), curr);
4527 allow_usage(un, B_TRUE, errbuf);
4528 }
4529 }
4530
4531 (void) sprintf(id, "%u", rid);
4532 who = id;
4533
4534 store_allow_perm(who_type, opts->local,
4535 opts->descend, who, opts->perms, *nvlp);
4536 curr = delim + 1;
4537 }
4538 }
4539
4540 return (0);
4541}
4542
4543static void
4544print_set_creat_perms(uu_avl_t *who_avl)
4545{
4546 const char *sc_title[] = {
4547 gettext("Permission sets:\n"),
4548 gettext("Create time permissions:\n"),
4549 NULL
4550 };
4551 const char **title_ptr = sc_title;
4552 who_perm_node_t *who_node = NULL;
4553 int prev_weight = -1;
4554
4555 for (who_node = uu_avl_first(who_avl); who_node != NULL;
4556 who_node = uu_avl_next(who_avl, who_node)) {
4557 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
4558 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
4559 const char *who_name = who_node->who_perm.who_name;
4560 int weight = who_type2weight(who_type);
4561 boolean_t first = B_TRUE;
4562 deleg_perm_node_t *deleg_node;
4563
4564 if (prev_weight != weight) {
29b35200 4565 (void) printf("%s", *title_ptr++);
0b7936d5
AS		 4566 prev_weight = weight;
4567 }
4568
4569 if (who_name == NULL || strnlen(who_name, 1) == 0)
4570 (void) printf("\t");
4571 else
4572 (void) printf("\t%s ", who_name);
4573
4574 for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
4575 deleg_node = uu_avl_next(avl, deleg_node)) {
4576 if (first) {
4577 (void) printf("%s",
4578 deleg_node->dpn_perm.dp_name);
4579 first = B_FALSE;
4580 } else
4581 (void) printf(",%s",
4582 deleg_node->dpn_perm.dp_name);
4583 }
4584
4585 (void) printf("\n");
4586 }
4587}
34dc7c2f 4588
0b7936d5
AS		 4589static void inline
4590print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
4591 const char *title)
4592{
4593 who_perm_node_t *who_node = NULL;
4594 boolean_t prt_title = B_TRUE;
4595 uu_avl_walk_t *walk;
34dc7c2f 4596
0b7936d5
AS		 4597 if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
4598 nomem();
34dc7c2f 4599
0b7936d5
AS		 4600 while ((who_node = uu_avl_walk_next(walk)) != NULL) {
4601 const char *who_name = who_node->who_perm.who_name;
4602 const char *nice_who_name = who_node->who_perm.who_ug_name;
4603 uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
4604 zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
4605 char delim = ' ';
4606 deleg_perm_node_t *deleg_node;
4607 boolean_t prt_who = B_TRUE;
4608
4609 for (deleg_node = uu_avl_first(avl);
4610 deleg_node != NULL;
4611 deleg_node = uu_avl_next(avl, deleg_node)) {
4612 if (local != deleg_node->dpn_perm.dp_local ||
4613 descend != deleg_node->dpn_perm.dp_descend)
4614 continue;
4615
4616 if (prt_who) {
4617 const char *who = NULL;
4618 if (prt_title) {
4619 prt_title = B_FALSE;
29b35200 4620 (void) printf("%s", title);
0b7936d5
AS		 4621 }
4622
4623 switch (who_type) {
4624 case ZFS_DELEG_USER_SETS:
4625 case ZFS_DELEG_USER:
4626 who = gettext("user");
4627 if (nice_who_name)
4628 who_name = nice_who_name;
4629 break;
4630 case ZFS_DELEG_GROUP_SETS:
4631 case ZFS_DELEG_GROUP:
4632 who = gettext("group");
4633 if (nice_who_name)
4634 who_name = nice_who_name;
4635 break;
4636 case ZFS_DELEG_EVERYONE_SETS:
4637 case ZFS_DELEG_EVERYONE:
4638 who = gettext("everyone");
4639 who_name = NULL;
4640 default:
4641 break;
4642 }
4643
4644 prt_who = B_FALSE;
4645 if (who_name == NULL)
4646 (void) printf("\t%s", who);
4647 else
4648 (void) printf("\t%s %s", who, who_name);
34dc7c2f 4649 }
0b7936d5
AS		 4650
4651 (void) printf("%c%s", delim,
4652 deleg_node->dpn_perm.dp_name);
4653 delim = ',';
34dc7c2f 4654 }
34dc7c2f 4655
0b7936d5
AS		 4656 if (!prt_who)
4657 (void) printf("\n");
4658 }
428870ff 4659
0b7936d5
AS		 4660 uu_avl_walk_end(walk);
4661}
34dc7c2f 4662
0b7936d5
AS		 4663static void
4664print_fs_perms(fs_perm_set_t *fspset)
4665{
4666 fs_perm_node_t *node = NULL;
4667 char buf[ZFS_MAXNAMELEN+32];
4668 const char *dsname = buf;
4669
4670 for (node = uu_list_first(fspset->fsps_list); node != NULL;
4671 node = uu_list_next(fspset->fsps_list, node)) {
4672 uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
4673 uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
4674 int left = 0;
4675
4676 (void) snprintf(buf, ZFS_MAXNAMELEN+32,
4677 gettext("---- Permissions on %s "),
4678 node->fspn_fsperm.fsp_name);
29b35200 4679 (void) printf("%s", dsname);
0b7936d5
AS		 4680 left = 70 - strlen(buf);
4681 while (left-- > 0)
4682 (void) printf("-");
4683 (void) printf("\n");
4684
4685 print_set_creat_perms(sc_avl);
4686 print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
4687 gettext("Local permissions:\n"));
4688 print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
4689 gettext("Descendent permissions:\n"));
4690 print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
4691 gettext("Local+Descendent permissions:\n"));
428870ff 4692 }
0b7936d5 4693}
34dc7c2f 4694
0b7936d5
AS		 4695static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
4696
4697struct deleg_perms {
4698 boolean_t un;
4699 nvlist_t *nvl;
4700};
4701
4702static int
4703set_deleg_perms(zfs_handle_t *zhp, void *data)
4704{
4705 struct deleg_perms *perms = (struct deleg_perms *)data;
4706 zfs_type_t zfs_type = zfs_get_type(zhp);
4707
4708 if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
4709 return (0);
4710
4711 return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
34dc7c2f
BB		 4712}
4713
34dc7c2f 4714static int
0b7936d5 4715zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
34dc7c2f 4716{
0b7936d5
AS		 4717 zfs_handle_t *zhp;
4718 nvlist_t *perm_nvl = NULL;
4719 nvlist_t *update_perm_nvl = NULL;
4720 int error = 1;
4721 int c;
4722 struct allow_opts opts = { 0 };
34dc7c2f 4723
0b7936d5
AS		 4724 const char *optstr = un ? "ldugecsrh" : "ldugecsh";
4725
4726 /* check opts */
4727 while ((c = getopt(argc, argv, optstr)) != -1) {
34dc7c2f 4728 switch (c) {
0b7936d5
AS		 4729 case 'l':
4730 opts.local = B_TRUE;
4731 break;
34dc7c2f 4732 case 'd':
0b7936d5 4733 opts.descend = B_TRUE;
34dc7c2f 4734 break;
0b7936d5
AS		 4735 case 'u':
4736 opts.user = B_TRUE;
428870ff 4737 break;
0b7936d5
AS		 4738 case 'g':
4739 opts.group = B_TRUE;
34dc7c2f 4740 break;
0b7936d5
AS		 4741 case 'e':
4742 opts.everyone = B_TRUE;
d164b209 4743 break;
0b7936d5
AS		 4744 case 's':
4745 opts.set = B_TRUE;
34dc7c2f 4746 break;
0b7936d5
AS		 4747 case 'c':
4748 opts.create = B_TRUE;
4749 break;
4750 case 'r':
4751 opts.recursive = B_TRUE;
34dc7c2f
BB		 4752 break;
4753 case ':':
4754 (void) fprintf(stderr, gettext("missing argument for "
4755 "'%c' option\n"), optopt);
4756 usage(B_FALSE);
4757 break;
0b7936d5
AS		 4758 case 'h':
4759 opts.prt_usage = B_TRUE;
4760 break;
34dc7c2f
BB		 4761 case '?':
4762 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4763 optopt);
4764 usage(B_FALSE);
4765 }
4766 }
4767
4768 argc -= optind;
4769 argv += optind;
4770
0b7936d5
AS		 4771 /* check arguments */
4772 parse_allow_args(argc, argv, un, &opts);
4773
4774 /* try to open the dataset */
4775 if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM))
4776 == NULL) {
4777 (void) fprintf(stderr, "Failed to open Dataset *%s*\n",
4778 opts.dataset);
4779 return (-1);
34dc7c2f 4780 }
0b7936d5
AS		 4781
4782 if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
4783 goto cleanup2;
4784
4785 fs_perm_set_init(&fs_perm_set);
4786 if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
4787 (void) fprintf(stderr, "Failed to parse fsacl permissionsn");
4788 goto cleanup1;
34dc7c2f
BB		 4789 }
4790
0b7936d5
AS		 4791 if (opts.prt_perms)
4792 print_fs_perms(&fs_perm_set);
4793 else {
4794 (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
4795 if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
4796 goto cleanup0;
4797
4798 if (un && opts.recursive) {
4799 struct deleg_perms data = { un, update_perm_nvl };
4800 if (zfs_iter_filesystems(zhp, set_deleg_perms,
4801 &data) != 0)
4802 goto cleanup0;
4803 }
34dc7c2f
BB		 4804 }
4805
0b7936d5 4806 error = 0;
34dc7c2f 4807
0b7936d5
AS		 4808cleanup0:
4809 nvlist_free(perm_nvl);
4810 if (update_perm_nvl != NULL)
4811 nvlist_free(update_perm_nvl);
4812cleanup1:
4813 fs_perm_set_fini(&fs_perm_set);
4814cleanup2:
4815 zfs_close(zhp);
4816
4817 return (error);
4818}
4819
4820/*
4821 * zfs allow [-r] [-t] <tag> <snap> ...
4822 *
4823 * -r Recursively hold
4824 * -t Temporary hold (hidden option)
4825 *
4826 * Apply a user-hold with the given tag to the list of snapshots.
4827 */
4828static int
4829zfs_do_allow(int argc, char **argv)
4830{
4831 return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
4832}
4833
4834/*
4835 * zfs unallow [-r] [-t] <tag> <snap> ...
4836 *
4837 * -r Recursively hold
4838 * -t Temporary hold (hidden option)
4839 *
4840 * Apply a user-hold with the given tag to the list of snapshots.
4841 */
4842static int
4843zfs_do_unallow(int argc, char **argv)
4844{
4845 return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
34dc7c2f
BB		 4846}
4847
45d1cae3
BB		 4848static int
4849zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
4850{
4851 int errors = 0;
4852 int i;
4853 const char *tag;
4854 boolean_t recursive = B_FALSE;
428870ff
BB		 4855 boolean_t temphold = B_FALSE;
4856 const char *opts = holding ? "rt" : "r";
45d1cae3 4857 int c;
45d1cae3
BB		 4858
4859 /* check options */
428870ff 4860 while ((c = getopt(argc, argv, opts)) != -1) {
45d1cae3
BB		 4861 switch (c) {
4862 case 'r':
4863 recursive = B_TRUE;
4864 break;
428870ff
BB		 4865 case 't':
4866 temphold = B_TRUE;
4867 break;
45d1cae3
BB		 4868 case '?':
4869 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4870 optopt);
4871 usage(B_FALSE);
4872 }
4873 }
4874
4875 argc -= optind;
4876 argv += optind;
4877
4878 /* check number of arguments */
4879 if (argc < 2)
4880 usage(B_FALSE);
4881
4882 tag = argv[0];
4883 --argc;
4884 ++argv;
4885
428870ff
BB		 4886 if (holding && tag[0] == '.') {
4887 /* tags starting with '.' are reserved for libzfs */
4888 (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
4889 usage(B_FALSE);
45d1cae3
BB		 4890 }
4891
4892 for (i = 0; i < argc; ++i) {
4893 zfs_handle_t *zhp;
4894 char parent[ZFS_MAXNAMELEN];
4895 const char *delim;
4896 char *path = argv[i];
4897
4898 delim = strchr(path, '@');
4899 if (delim == NULL) {
4900 (void) fprintf(stderr,
4901 gettext("'%s' is not a snapshot\n"), path);
4902 ++errors;
4903 continue;
4904 }
4905 (void) strncpy(parent, path, delim - path);
4906 parent[delim - path] = '\0';
4907
4908 zhp = zfs_open(g_zfs, parent,
4909 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
4910 if (zhp == NULL) {
4911 ++errors;
4912 continue;
4913 }
428870ff
BB		 4914 if (holding) {
4915 if (zfs_hold(zhp, delim+1, tag, recursive,
572e2857 4916 temphold, B_FALSE, -1, 0, 0) != 0)
428870ff
BB		 4917 ++errors;
4918 } else {
4919 if (zfs_release(zhp, delim+1, tag, recursive) != 0)
4920 ++errors;
4921 }
45d1cae3
BB		 4922 zfs_close(zhp);
4923 }
4924
4925 return (errors != 0);
4926}
4927
4928/*
428870ff 4929 * zfs hold [-r] [-t] <tag> <snap> ...
45d1cae3 4930 *
428870ff
BB		 4931 * -r Recursively hold
4932 * -t Temporary hold (hidden option)
45d1cae3
BB		 4933 *
4934 * Apply a user-hold with the given tag to the list of snapshots.
4935 */
4936static int
4937zfs_do_hold(int argc, char **argv)
4938{
4939 return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
4940}
4941
4942/*
4943 * zfs release [-r] <tag> <snap> ...
4944 *
428870ff 4945 * -r Recursively release
45d1cae3
BB		 4946 *
4947 * Release a user-hold with the given tag from the list of snapshots.
4948 */
4949static int
4950zfs_do_release(int argc, char **argv)
4951{
4952 return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
4953}
4954
0b7936d5
AS		 4955typedef struct holds_cbdata {
4956 boolean_t cb_recursive;
4957 const char *cb_snapname;
4958 nvlist_t **cb_nvlp;
4959 size_t cb_max_namelen;
4960 size_t cb_max_taglen;
4961} holds_cbdata_t;
4962
4963#define STRFTIME_FMT_STR "%a %b %e %k:%M %Y"
4964#define DATETIME_BUF_LEN (32)
4965/*
4966 *
4967 */
4968static void
4969print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl)
4970{
4971 int i;
4972 nvpair_t *nvp = NULL;
4973 char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
4974 const char *col;
4975
4976 if (!scripted) {
4977 for (i = 0; i < 3; i++) {
4978 col = gettext(hdr_cols[i]);
4979 if (i < 2)
4980 (void) printf("%-*s ", i ? tagwidth : nwidth,
4981 col);
4982 else
4983 (void) printf("%s\n", col);
4984 }
4985 }
4986
4987 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
4988 char *zname = nvpair_name(nvp);
4989 nvlist_t *nvl2;
4990 nvpair_t *nvp2 = NULL;
4991 (void) nvpair_value_nvlist(nvp, &nvl2);
4992 while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
4993 char tsbuf[DATETIME_BUF_LEN];
4994 char *tagname = nvpair_name(nvp2);
4995 uint64_t val = 0;
4996 time_t time;
4997 struct tm t;
4998 char sep = scripted ? '\t' : ' ';
4999 int sepnum = scripted ? 1 : 2;
5000
5001 (void) nvpair_value_uint64(nvp2, &val);
5002 time = (time_t)val;
5003 (void) localtime_r(&time, &t);
5004 (void) strftime(tsbuf, DATETIME_BUF_LEN,
5005 gettext(STRFTIME_FMT_STR), &t);
5006
5007 (void) printf("%-*s%*c%-*s%*c%s\n", nwidth, zname,
5008 sepnum, sep, tagwidth, tagname, sepnum, sep, tsbuf);
5009 }
5010 }
5011}
5012
5013/*
5014 * Generic callback function to list a dataset or snapshot.
5015 */
5016static int
5017holds_callback(zfs_handle_t *zhp, void *data)
5018{
5019 holds_cbdata_t *cbp = data;
5020 nvlist_t *top_nvl = *cbp->cb_nvlp;
5021 nvlist_t *nvl = NULL;
5022 nvpair_t *nvp = NULL;
5023 const char *zname = zfs_get_name(zhp);
5024 size_t znamelen = strnlen(zname, ZFS_MAXNAMELEN);
5025
5026 if (cbp->cb_recursive) {
5027 const char *snapname;
5028 char *delim = strchr(zname, '@');
5029 if (delim == NULL)
5030 return (0);
5031
5032 snapname = delim + 1;
5033 if (strcmp(cbp->cb_snapname, snapname))
5034 return (0);
5035 }
5036
5037 if (zfs_get_holds(zhp, &nvl) != 0)
5038 return (-1);
5039
5040 if (znamelen > cbp->cb_max_namelen)
5041 cbp->cb_max_namelen = znamelen;
5042
5043 while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
5044 const char *tag = nvpair_name(nvp);
5045 size_t taglen = strnlen(tag, MAXNAMELEN);
5046 if (taglen > cbp->cb_max_taglen)
5047 cbp->cb_max_taglen = taglen;
5048 }
5049
5050 return (nvlist_add_nvlist(top_nvl, zname, nvl));
5051}
5052
5053/*
5054 * zfs holds [-r] <snap> ...
5055 *
5056 * -r Recursively hold
5057 */
5058static int
5059zfs_do_holds(int argc, char **argv)
5060{
5061 int errors = 0;
5062 int c;
5063 int i;
5064 boolean_t scripted = B_FALSE;
5065 boolean_t recursive = B_FALSE;
5066 const char *opts = "rH";
5067 nvlist_t *nvl;
5068
5069 int types = ZFS_TYPE_SNAPSHOT;
5070 holds_cbdata_t cb = { 0 };
5071
5072 int limit = 0;
5073 int ret;
5074 int flags = 0;
5075
5076 /* check options */
5077 while ((c = getopt(argc, argv, opts)) != -1) {
5078 switch (c) {
5079 case 'r':
5080 recursive = B_TRUE;
5081 break;
5082 case 'H':
5083 scripted = B_TRUE;
5084 break;
5085 case '?':
5086 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5087 optopt);
5088 usage(B_FALSE);
5089 }
5090 }
5091
5092 if (recursive) {
5093 types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
5094 flags |= ZFS_ITER_RECURSE;
5095 }
5096
5097 argc -= optind;
5098 argv += optind;
5099
5100 /* check number of arguments */
5101 if (argc < 1)
5102 usage(B_FALSE);
5103
5104 if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
5105 nomem();
5106
5107 for (i = 0; i < argc; ++i) {
5108 char *snapshot = argv[i];
5109 const char *delim;
5110 const char *snapname;
5111
5112 delim = strchr(snapshot, '@');
5113 if (delim == NULL) {
5114 (void) fprintf(stderr,
5115 gettext("'%s' is not a snapshot\n"), snapshot);
5116 ++errors;
5117 continue;
5118 }
5119 snapname = delim + 1;
5120 if (recursive)
5121 snapshot[delim - snapshot] = '\0';
5122
5123 cb.cb_recursive = recursive;
5124 cb.cb_snapname = snapname;
5125 cb.cb_nvlp = &nvl;
5126
5127 /*
5128 * 1. collect holds data, set format options
5129 */
5130 ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit,
5131 holds_callback, &cb);
5132 if (ret != 0)
5133 ++errors;
5134 }
5135
5136 /*
5137 * 2. print holds data
5138 */
5139 print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl);
5140
5141 if (nvlist_empty(nvl))
5142 (void) printf(gettext("no datasets available\n"));
5143
5144 nvlist_free(nvl);
5145
5146 return (0 != errors);
5147}
5148
34dc7c2f
BB		 5149#define CHECK_SPINNER 30
5150#define SPINNER_TIME 3 /* seconds */
5151#define MOUNT_TIME 5 /* seconds */
5152
5153static int
5154get_one_dataset(zfs_handle_t *zhp, void *data)
5155{
428870ff 5156 static char *spin[] = { "-", "\\", "|", "/" };
34dc7c2f
BB		 5157 static int spinval = 0;
5158 static int spincheck = 0;
5159 static time_t last_spin_time = (time_t)0;
572e2857 5160 get_all_cb_t *cbp = data;
34dc7c2f
BB		 5161 zfs_type_t type = zfs_get_type(zhp);
5162
5163 if (cbp->cb_verbose) {
5164 if (--spincheck < 0) {
5165 time_t now = time(NULL);
5166 if (last_spin_time + SPINNER_TIME < now) {
428870ff 5167 update_progress(spin[spinval++ % 4]);
34dc7c2f
BB		 5168 last_spin_time = now;
5169 }
5170 spincheck = CHECK_SPINNER;
5171 }
5172 }
5173
5174 /*
5175 * Interate over any nested datasets.
5176 */
572e2857 5177 if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
34dc7c2f
BB		 5178 zfs_close(zhp);
5179 return (1);
5180 }
5181
5182 /*
5183 * Skip any datasets whose type does not match.
5184 */
572e2857 5185 if ((type & ZFS_TYPE_FILESYSTEM) == 0) {
34dc7c2f
BB		 5186 zfs_close(zhp);
5187 return (0);
5188 }
572e2857
BB		 5189 libzfs_add_handle(cbp, zhp);
5190 assert(cbp->cb_used <= cbp->cb_alloc);
34dc7c2f
BB		 5191
5192 return (0);
5193}
5194
5195static void
572e2857 5196get_all_datasets(zfs_handle_t ***dslist, size_t *count, boolean_t verbose)
34dc7c2f 5197{
572e2857 5198 get_all_cb_t cb = { 0 };
34dc7c2f 5199 cb.cb_verbose = verbose;
572e2857 5200 cb.cb_getone = get_one_dataset;
34dc7c2f 5201
428870ff
BB		 5202 if (verbose)
5203 set_progress_header(gettext("Reading ZFS config"));
34dc7c2f
BB		 5204 (void) zfs_iter_root(g_zfs, get_one_dataset, &cb);
5205
5206 *dslist = cb.cb_handles;
5207 *count = cb.cb_used;
5208
428870ff
BB		 5209 if (verbose)
5210 finish_progress(gettext("done."));
34dc7c2f
BB		 5211}
5212
34dc7c2f
BB		 5213/*
5214 * Generic callback for sharing or mounting filesystems. Because the code is so
5215 * similar, we have a common function with an extra parameter to determine which
5216 * mode we are using.
5217 */
5218#define OP_SHARE 0x1
5219#define OP_MOUNT 0x2
5220
5221/*
5222 * Share or mount a dataset.
5223 */
5224static int
5225share_mount_one(zfs_handle_t *zhp, int op, int flags, char *protocol,
5226 boolean_t explicit, const char *options)
5227{
5228 char mountpoint[ZFS_MAXPROPLEN];
5229 char shareopts[ZFS_MAXPROPLEN];
5230 char smbshareopts[ZFS_MAXPROPLEN];
5231 const char *cmdname = op == OP_SHARE ? "share" : "mount";
5232 struct mnttab mnt;
5233 uint64_t zoned, canmount;
34dc7c2f
BB		 5234 boolean_t shared_nfs, shared_smb;
5235
572e2857 5236 assert(zfs_get_type(zhp) & ZFS_TYPE_FILESYSTEM);
34dc7c2f 5237
572e2857
BB		 5238 /*
5239 * Check to make sure we can mount/share this dataset. If we
5240 * are in the global zone and the filesystem is exported to a
5241 * local zone, or if we are in a local zone and the
5242 * filesystem is not exported, then it is an error.
5243 */
5244 zoned = zfs_prop_get_int(zhp, ZFS_PROP_ZONED);
34dc7c2f 5245
572e2857
BB		 5246 if (zoned && getzoneid() == GLOBAL_ZONEID) {
5247 if (!explicit)
5248 return (0);
34dc7c2f 5249
572e2857
BB		 5250 (void) fprintf(stderr, gettext("cannot %s '%s': "
5251 "dataset is exported to a local zone\n"), cmdname,
5252 zfs_get_name(zhp));
5253 return (1);
34dc7c2f 5254
572e2857
BB		 5255 } else if (!zoned && getzoneid() != GLOBAL_ZONEID) {
5256 if (!explicit)
5257 return (0);
34dc7c2f 5258
572e2857
BB		 5259 (void) fprintf(stderr, gettext("cannot %s '%s': "
5260 "permission denied\n"), cmdname,
5261 zfs_get_name(zhp));
5262 return (1);
5263 }
34dc7c2f 5264
572e2857
BB		 5265 /*
5266 * Ignore any filesystems which don't apply to us. This
5267 * includes those with a legacy mountpoint, or those with
5268 * legacy share options.
5269 */
5270 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
5271 sizeof (mountpoint), NULL, NULL, 0, B_FALSE) == 0);
5272 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
5273 sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0);
5274 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshareopts,
5275 sizeof (smbshareopts), NULL, NULL, 0, B_FALSE) == 0);
5276
5277 if (op == OP_SHARE && strcmp(shareopts, "off") == 0 &&
5278 strcmp(smbshareopts, "off") == 0) {
5279 if (!explicit)
5280 return (0);
34dc7c2f 5281
572e2857
BB		 5282 (void) fprintf(stderr, gettext("cannot share '%s': "
5283 "legacy share\n"), zfs_get_name(zhp));
5284 (void) fprintf(stderr, gettext("use share(1M) to "
5285 "share this filesystem, or set "
5286 "sharenfs property on\n"));
5287 return (1);
5288 }
34dc7c2f 5289
572e2857
BB		 5290 /*
5291 * We cannot share or mount legacy filesystems. If the
5292 * shareopts is non-legacy but the mountpoint is legacy, we
5293 * treat it as a legacy share.
5294 */
5295 if (strcmp(mountpoint, "legacy") == 0) {
5296 if (!explicit)
5297 return (0);
34dc7c2f 5298
572e2857
BB		 5299 (void) fprintf(stderr, gettext("cannot %s '%s': "
5300 "legacy mountpoint\n"), cmdname, zfs_get_name(zhp));
5301 (void) fprintf(stderr, gettext("use %s(1M) to "
5302 "%s this filesystem\n"), cmdname, cmdname);
5303 return (1);
5304 }
34dc7c2f 5305
572e2857
BB		 5306 if (strcmp(mountpoint, "none") == 0) {
5307 if (!explicit)
5308 return (0);
34dc7c2f 5309
572e2857
BB		 5310 (void) fprintf(stderr, gettext("cannot %s '%s': no "
5311 "mountpoint set\n"), cmdname, zfs_get_name(zhp));
5312 return (1);
5313 }
34dc7c2f 5314
572e2857
BB		 5315 /*
5316 * canmount explicit outcome
5317 * on no pass through
5318 * on yes pass through
5319 * off no return 0
5320 * off yes display error, return 1
5321 * noauto no return 0
5322 * noauto yes pass through
5323 */
5324 canmount = zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT);
5325 if (canmount == ZFS_CANMOUNT_OFF) {
5326 if (!explicit)
5327 return (0);
5328
5329 (void) fprintf(stderr, gettext("cannot %s '%s': "
5330 "'canmount' property is set to 'off'\n"), cmdname,
5331 zfs_get_name(zhp));
5332 return (1);
5333 } else if (canmount == ZFS_CANMOUNT_NOAUTO && !explicit) {
5334 return (0);
5335 }
5336
5337 /*
5338 * At this point, we have verified that the mountpoint and/or
5339 * shareopts are appropriate for auto management. If the
5340 * filesystem is already mounted or shared, return (failing
5341 * for explicit requests); otherwise mount or share the
5342 * filesystem.
5343 */
5344 switch (op) {
5345 case OP_SHARE:
5346
5347 shared_nfs = zfs_is_shared_nfs(zhp, NULL);
5348 shared_smb = zfs_is_shared_smb(zhp, NULL);
5349
149e873a
BB		 5350 if ((shared_nfs && shared_smb) ||
5351 ((shared_nfs && strcmp(shareopts, "on") == 0) &&
5352 (strcmp(smbshareopts, "off") == 0)) ||
5353 ((shared_smb && strcmp(smbshareopts, "on") == 0) &&
5354 (strcmp(shareopts, "off") == 0))) {
34dc7c2f
BB		 5355 if (!explicit)
5356 return (0);
5357
572e2857
BB		 5358 (void) fprintf(stderr, gettext("cannot share "
5359 "'%s': filesystem already shared\n"),
34dc7c2f
BB		 5360 zfs_get_name(zhp));
5361 return (1);
34dc7c2f
BB		 5362 }
5363
572e2857
BB		 5364 if (!zfs_is_mounted(zhp, NULL) &&
5365 zfs_mount(zhp, NULL, 0) != 0)
5366 return (1);
34dc7c2f 5367
572e2857
BB		 5368 if (protocol == NULL) {
5369 if (zfs_shareall(zhp) != 0)
34dc7c2f 5370 return (1);
572e2857
BB		 5371 } else if (strcmp(protocol, "nfs") == 0) {
5372 if (zfs_share_nfs(zhp))
34dc7c2f 5373 return (1);
572e2857
BB		 5374 } else if (strcmp(protocol, "smb") == 0) {
5375 if (zfs_share_smb(zhp))
34dc7c2f 5376 return (1);
572e2857
BB		 5377 } else {
5378 (void) fprintf(stderr, gettext("cannot share "
5379 "'%s': invalid share type '%s' "
5380 "specified\n"),
5381 zfs_get_name(zhp), protocol);
5382 return (1);
5383 }
34dc7c2f 5384
572e2857 5385 break;
34dc7c2f 5386
572e2857
BB		 5387 case OP_MOUNT:
5388 if (options == NULL)
5389 mnt.mnt_mntopts = "";
5390 else
5391 mnt.mnt_mntopts = (char *)options;
34dc7c2f 5392
572e2857
BB		 5393 if (!hasmntopt(&mnt, MNTOPT_REMOUNT) &&
5394 zfs_is_mounted(zhp, NULL)) {
5395 if (!explicit)
5396 return (0);
34dc7c2f 5397
572e2857
BB		 5398 (void) fprintf(stderr, gettext("cannot mount "
5399 "'%s': filesystem already mounted\n"),
5400 zfs_get_name(zhp));
5401 return (1);
34dc7c2f 5402 }
572e2857
BB		 5403
5404 if (zfs_mount(zhp, options, flags) != 0)
5405 return (1);
5406 break;
5407 }
34dc7c2f 5408
34dc7c2f
BB		 5409 return (0);
5410}
5411
5412/*
5413 * Reports progress in the form "(current/total)". Not thread-safe.
5414 */
5415static void
5416report_mount_progress(int current, int total)
5417{
428870ff 5418 static time_t last_progress_time = 0;
34dc7c2f 5419 time_t now = time(NULL);
428870ff 5420 char info[32];
34dc7c2f
BB		 5421
5422 /* report 1..n instead of 0..n-1 */
5423 ++current;
5424
5425 /* display header if we're here for the first time */
5426 if (current == 1) {
428870ff 5427 set_progress_header(gettext("Mounting ZFS filesystems"));
34dc7c2f
BB		 5428 } else if (current != total && last_progress_time + MOUNT_TIME >= now) {
5429 /* too soon to report again */
5430 return;
5431 }
5432
5433 last_progress_time = now;
5434
428870ff 5435 (void) sprintf(info, "(%d/%d)", current, total);
34dc7c2f 5436
428870ff
BB		 5437 if (current == total)
5438 finish_progress(info);
5439 else
5440 update_progress(info);
34dc7c2f
BB		 5441}
5442
5443static void
5444append_options(char *mntopts, char *newopts)
5445{
5446 int len = strlen(mntopts);
5447
5448 /* original length plus new string to append plus 1 for the comma */
5449 if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
5450 (void) fprintf(stderr, gettext("the opts argument for "
d6320ddb 5451 "'%s' option is too long (more than %d chars)\n"),
34dc7c2f
BB		 5452 "-o", MNT_LINE_MAX);
5453 usage(B_FALSE);
5454 }
5455
5456 if (*mntopts)
5457 mntopts[len++] = ',';
5458
5459 (void) strcpy(&mntopts[len], newopts);
5460}
5461
5462static int
5463share_mount(int op, int argc, char **argv)
5464{
5465 int do_all = 0;
5466 boolean_t verbose = B_FALSE;
5467 int c, ret = 0;
5468 char *options = NULL;
572e2857 5469 int flags = 0;
34dc7c2f
BB		 5470
5471 /* check options */
3fb1fcde 5472 while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:" : "a"))
34dc7c2f
BB		 5473 != -1) {
5474 switch (c) {
5475 case 'a':
5476 do_all = 1;
5477 break;
5478 case 'v':
5479 verbose = B_TRUE;
5480 break;
5481 case 'o':
5482 if (*optarg == '\0') {
5483 (void) fprintf(stderr, gettext("empty mount "
5484 "options (-o) specified\n"));
5485 usage(B_FALSE);
5486 }
5487
5488 if (options == NULL)
5489 options = safe_malloc(MNT_LINE_MAX + 1);
5490
5491 /* option validation is done later */
5492 append_options(options, optarg);
5493 break;
5494
34dc7c2f
BB		 5495 case ':':
5496 (void) fprintf(stderr, gettext("missing argument for "
5497 "'%c' option\n"), optopt);
5498 usage(B_FALSE);
5499 break;
5500 case '?':
5501 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5502 optopt);
5503 usage(B_FALSE);
5504 }
5505 }
5506
5507 argc -= optind;
5508 argv += optind;
5509
5510 /* check number of arguments */
5511 if (do_all) {
5512 zfs_handle_t **dslist = NULL;
5513 size_t i, count = 0;
5514 char *protocol = NULL;
5515
572e2857
BB		 5516 if (op == OP_SHARE && argc > 0) {
5517 if (strcmp(argv[0], "nfs") != 0 &&
5518 strcmp(argv[0], "smb") != 0) {
34dc7c2f 5519 (void) fprintf(stderr, gettext("share type "
428870ff 5520 "must be 'nfs' or 'smb'\n"));
34dc7c2f
BB		 5521 usage(B_FALSE);
5522 }
5523 protocol = argv[0];
5524 argc--;
5525 argv++;
34dc7c2f
BB		 5526 }
5527
5528 if (argc != 0) {
5529 (void) fprintf(stderr, gettext("too many arguments\n"));
5530 usage(B_FALSE);
5531 }
5532
428870ff 5533 start_progress_timer();
572e2857 5534 get_all_datasets(&dslist, &count, verbose);
34dc7c2f
BB		 5535
5536 if (count == 0)
5537 return (0);
5538
572e2857 5539 qsort(dslist, count, sizeof (void *), libzfs_dataset_cmp);
34dc7c2f
BB		 5540
5541 for (i = 0; i < count; i++) {
5542 if (verbose)
5543 report_mount_progress(i, count);
5544
5545 if (share_mount_one(dslist[i], op, flags, protocol,
5546 B_FALSE, options) != 0)
5547 ret = 1;
5548 zfs_close(dslist[i]);
5549 }
5550
5551 free(dslist);
5552 } else if (argc == 0) {
5553 struct mnttab entry;
5554
5555 if ((op == OP_SHARE) || (options != NULL)) {
5556 (void) fprintf(stderr, gettext("missing filesystem "
5557 "argument (specify -a for all)\n"));
5558 usage(B_FALSE);
5559 }
5560
5561 /*
9a616b5d 5562 * When mount is given no arguments, go through /etc/mtab and
34dc7c2f
BB		 5563 * display any active ZFS mounts. We hide any snapshots, since
5564 * they are controlled automatically.
5565 */
5566 rewind(mnttab_file);
5567 while (getmntent(mnttab_file, &entry) == 0) {
5568 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0 ||
5569 strchr(entry.mnt_special, '@') != NULL)
5570 continue;
5571
5572 (void) printf("%-30s %s\n", entry.mnt_special,
5573 entry.mnt_mountp);
5574 }
5575
5576 } else {
5577 zfs_handle_t *zhp;
5578
34dc7c2f
BB		 5579 if (argc > 1) {
5580 (void) fprintf(stderr,
5581 gettext("too many arguments\n"));
5582 usage(B_FALSE);
5583 }
5584
572e2857
BB		 5585 if ((zhp = zfs_open(g_zfs, argv[0],
5586 ZFS_TYPE_FILESYSTEM)) == NULL) {
34dc7c2f
BB		 5587 ret = 1;
5588 } else {
5589 ret = share_mount_one(zhp, op, flags, NULL, B_TRUE,
5590 options);
5591 zfs_close(zhp);
5592 }
5593 }
5594
5595 return (ret);
5596}
5597
5598/*
428870ff 5599 * zfs mount -a [nfs]
34dc7c2f
BB		 5600 * zfs mount filesystem
5601 *
5602 * Mount all filesystems, or mount the given filesystem.
5603 */
5604static int
5605zfs_do_mount(int argc, char **argv)
5606{
5607 return (share_mount(OP_MOUNT, argc, argv));
5608}
5609
5610/*
428870ff 5611 * zfs share -a [nfs | smb]
34dc7c2f
BB		 5612 * zfs share filesystem
5613 *
5614 * Share all filesystems, or share the given filesystem.
5615 */
5616static int
5617zfs_do_share(int argc, char **argv)
5618{
5619 return (share_mount(OP_SHARE, argc, argv));
5620}
5621
5622typedef struct unshare_unmount_node {
5623 zfs_handle_t *un_zhp;
5624 char *un_mountp;
5625 uu_avl_node_t un_avlnode;
5626} unshare_unmount_node_t;
5627
5628/* ARGSUSED */
5629static int
5630unshare_unmount_compare(const void *larg, const void *rarg, void *unused)
5631{
5632 const unshare_unmount_node_t *l = larg;
5633 const unshare_unmount_node_t *r = rarg;
5634
5635 return (strcmp(l->un_mountp, r->un_mountp));
5636}
5637
5638/*
5639 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
9a616b5d 5640 * absolute path, find the entry /etc/mtab, verify that its a ZFS filesystem,
34dc7c2f
BB		 5641 * and unmount it appropriately.
5642 */
5643static int
5644unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
5645{
5646 zfs_handle_t *zhp;
5647 int ret;
5648 struct stat64 statbuf;
5649 struct extmnttab entry;
5650 const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
5651 ino_t path_inode;
5652
5653 /*
9a616b5d 5654 * Search for the path in /etc/mtab. Rather than looking for the
34dc7c2f
BB		 5655 * specific path, which can be fooled by non-standard paths (i.e. ".."
5656 * or "//"), we stat() the path and search for the corresponding
5657 * (major,minor) device pair.
5658 */
5659 if (stat64(path, &statbuf) != 0) {
5660 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
5661 cmdname, path, strerror(errno));
5662 return (1);
5663 }
5664 path_inode = statbuf.st_ino;
5665
5666 /*
5667 * Search for the given (major,minor) pair in the mount table.
5668 */
5669 rewind(mnttab_file);
5670 while ((ret = getextmntent(mnttab_file, &entry, 0)) == 0) {
5671 if (entry.mnt_major == major(statbuf.st_dev) &&
5672 entry.mnt_minor == minor(statbuf.st_dev))
5673 break;
5674 }
5675 if (ret != 0) {
5676 if (op == OP_SHARE) {
5677 (void) fprintf(stderr, gettext("cannot %s '%s': not "
5678 "currently mounted\n"), cmdname, path);
5679 return (1);
5680 }
9a616b5d 5681 (void) fprintf(stderr, gettext("warning: %s not in mtab\n"),
34dc7c2f
BB		 5682 path);
5683 if ((ret = umount2(path, flags)) != 0)
5684 (void) fprintf(stderr, gettext("%s: %s\n"), path,
5685 strerror(errno));
5686 return (ret != 0);
5687 }
5688
5689 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0) {
5690 (void) fprintf(stderr, gettext("cannot %s '%s': not a ZFS "
5691 "filesystem\n"), cmdname, path);
5692 return (1);
5693 }
5694
5695 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
5696 ZFS_TYPE_FILESYSTEM)) == NULL)
5697 return (1);
5698
34dc7c2f 5699 ret = 1;
b128c09f
BB		 5700 if (stat64(entry.mnt_mountp, &statbuf) != 0) {
5701 (void) fprintf(stderr, gettext("cannot %s '%s': %s\n"),
5702 cmdname, path, strerror(errno));
5703 goto out;
5704 } else if (statbuf.st_ino != path_inode) {
5705 (void) fprintf(stderr, gettext("cannot "
5706 "%s '%s': not a mountpoint\n"), cmdname, path);
5707 goto out;
5708 }
5709
34dc7c2f
BB		 5710 if (op == OP_SHARE) {
5711 char nfs_mnt_prop[ZFS_MAXPROPLEN];
5712 char smbshare_prop[ZFS_MAXPROPLEN];
5713
5714 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS, nfs_mnt_prop,
5715 sizeof (nfs_mnt_prop), NULL, NULL, 0, B_FALSE) == 0);
5716 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB, smbshare_prop,
5717 sizeof (smbshare_prop), NULL, NULL, 0, B_FALSE) == 0);
5718
5719 if (strcmp(nfs_mnt_prop, "off") == 0 &&
5720 strcmp(smbshare_prop, "off") == 0) {
5721 (void) fprintf(stderr, gettext("cannot unshare "
5722 "'%s': legacy share\n"), path);
9a616b5d
BB		 5723 (void) fprintf(stderr, gettext("use exportfs(8) "
5724 "or smbcontrol(1) to unshare this filesystem\n"));
34dc7c2f
BB		 5725 } else if (!zfs_is_shared(zhp)) {
5726 (void) fprintf(stderr, gettext("cannot unshare '%s': "
5727 "not currently shared\n"), path);
5728 } else {
5729 ret = zfs_unshareall_bypath(zhp, path);
5730 }
5731 } else {
5732 char mtpt_prop[ZFS_MAXPROPLEN];
5733
5734 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mtpt_prop,
5735 sizeof (mtpt_prop), NULL, NULL, 0, B_FALSE) == 0);
5736
b128c09f 5737 if (is_manual) {
34dc7c2f
BB		 5738 ret = zfs_unmount(zhp, NULL, flags);
5739 } else if (strcmp(mtpt_prop, "legacy") == 0) {
5740 (void) fprintf(stderr, gettext("cannot unmount "
5741 "'%s': legacy mountpoint\n"),
5742 zfs_get_name(zhp));
9a616b5d 5743 (void) fprintf(stderr, gettext("use umount(8) "
34dc7c2f
BB		 5744 "to unmount this filesystem\n"));
5745 } else {
5746 ret = zfs_unmountall(zhp, flags);
5747 }
5748 }
5749
b128c09f 5750out:
34dc7c2f
BB		 5751 zfs_close(zhp);
5752
5753 return (ret != 0);
5754}
5755
5756/*
5757 * Generic callback for unsharing or unmounting a filesystem.
5758 */
5759static int
5760unshare_unmount(int op, int argc, char **argv)
5761{
5762 int do_all = 0;
5763 int flags = 0;
5764 int ret = 0;
572e2857 5765 int c;
34dc7c2f 5766 zfs_handle_t *zhp;
428870ff 5767 char nfs_mnt_prop[ZFS_MAXPROPLEN];
34dc7c2f
BB		 5768 char sharesmb[ZFS_MAXPROPLEN];
5769
5770 /* check options */
5771 while ((c = getopt(argc, argv, op == OP_SHARE ? "a" : "af")) != -1) {
5772 switch (c) {
5773 case 'a':
5774 do_all = 1;
5775 break;
5776 case 'f':
5777 flags = MS_FORCE;
5778 break;
5779 case '?':
5780 (void) fprintf(stderr, gettext("invalid option '%c'\n"),
5781 optopt);
5782 usage(B_FALSE);
5783 }
5784 }
5785
5786 argc -= optind;
5787 argv += optind;
5788
5789 if (do_all) {
5790 /*
5791 * We could make use of zfs_for_each() to walk all datasets in
5792 * the system, but this would be very inefficient, especially
9a616b5d
BB		 5793 * since we would have to linearly search /etc/mtab for each
5794 * one. Instead, do one pass through /etc/mtab looking for
34dc7c2f
BB		 5795 * zfs entries and call zfs_unmount() for each one.
5796 *
5797 * Things get a little tricky if the administrator has created
5798 * mountpoints beneath other ZFS filesystems. In this case, we
5799 * have to unmount the deepest filesystems first. To accomplish
5800 * this, we place all the mountpoints in an AVL tree sorted by
5801 * the special type (dataset name), and walk the result in
5802 * reverse to make sure to get any snapshots first.
5803 */
5804 struct mnttab entry;
5805 uu_avl_pool_t *pool;
149e873a 5806 uu_avl_t *tree = NULL;
34dc7c2f
BB		 5807 unshare_unmount_node_t *node;
5808 uu_avl_index_t idx;
5809 uu_avl_walk_t *walk;
5810
5811 if (argc != 0) {
5812 (void) fprintf(stderr, gettext("too many arguments\n"));
5813 usage(B_FALSE);
5814 }
5815
428870ff 5816 if (((pool = uu_avl_pool_create("unmount_pool",
34dc7c2f
BB		 5817 sizeof (unshare_unmount_node_t),
5818 offsetof(unshare_unmount_node_t, un_avlnode),
428870ff
BB		 5819 unshare_unmount_compare, UU_DEFAULT)) == NULL) ||
5820 ((tree = uu_avl_create(pool, NULL, UU_DEFAULT)) == NULL))
5821 nomem();
34dc7c2f
BB		 5822
5823 rewind(mnttab_file);
5824 while (getmntent(mnttab_file, &entry) == 0) {
5825
5826 /* ignore non-ZFS entries */
5827 if (strcmp(entry.mnt_fstype, MNTTYPE_ZFS) != 0)
5828 continue;
5829
5830 /* ignore snapshots */
5831 if (strchr(entry.mnt_special, '@') != NULL)
5832 continue;
5833
5834 if ((zhp = zfs_open(g_zfs, entry.mnt_special,
5835 ZFS_TYPE_FILESYSTEM)) == NULL) {
5836 ret = 1;
5837 continue;
5838 }
5839
5840 switch (op) {
5841 case OP_SHARE:
5842 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
428870ff
BB		 5843 nfs_mnt_prop,
5844 sizeof (nfs_mnt_prop),
34dc7c2f 5845 NULL, NULL, 0, B_FALSE) == 0);
428870ff 5846 if (strcmp(nfs_mnt_prop, "off") != 0)
34dc7c2f
BB		 5847 break;
5848 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
428870ff
BB		 5849 nfs_mnt_prop,
5850 sizeof (nfs_mnt_prop),
34dc7c2f 5851 NULL, NULL, 0, B_FALSE) == 0);
428870ff 5852 if (strcmp(nfs_mnt_prop, "off") == 0)
34dc7c2f
BB		 5853 continue;
5854 break;
5855 case OP_MOUNT:
5856 /* Ignore legacy mounts */
5857 verify(zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT,
428870ff
BB		 5858 nfs_mnt_prop,
5859 sizeof (nfs_mnt_prop),
34dc7c2f 5860 NULL, NULL, 0, B_FALSE) == 0);
428870ff 5861 if (strcmp(nfs_mnt_prop, "legacy") == 0)
34dc7c2f
BB		 5862 continue;
5863 /* Ignore canmount=noauto mounts */
5864 if (zfs_prop_get_int(zhp, ZFS_PROP_CANMOUNT) ==
5865 ZFS_CANMOUNT_NOAUTO)
5866 continue;
5867 default:
5868 break;
5869 }
5870
5871 node = safe_malloc(sizeof (unshare_unmount_node_t));
5872 node->un_zhp = zhp;
428870ff 5873 node->un_mountp = safe_strdup(entry.mnt_mountp);
34dc7c2f
BB		 5874
5875 uu_avl_node_init(node, &node->un_avlnode, pool);
5876
5877 if (uu_avl_find(tree, node, NULL, &idx) == NULL) {
5878 uu_avl_insert(tree, node, idx);
5879 } else {
5880 zfs_close(node->un_zhp);
5881 free(node->un_mountp);
5882 free(node);
5883 }
5884 }
5885
5886 /*
5887 * Walk the AVL tree in reverse, unmounting each filesystem and
5888 * removing it from the AVL tree in the process.
5889 */
5890 if ((walk = uu_avl_walk_start(tree,
428870ff
BB		 5891 UU_WALK_REVERSE | UU_WALK_ROBUST)) == NULL)
5892 nomem();
34dc7c2f
BB		 5893
5894 while ((node = uu_avl_walk_next(walk)) != NULL) {
5895 uu_avl_remove(tree, node);
5896
5897 switch (op) {
5898 case OP_SHARE:
5899 if (zfs_unshareall_bypath(node->un_zhp,
5900 node->un_mountp) != 0)
5901 ret = 1;
5902 break;
5903
5904 case OP_MOUNT:
5905 if (zfs_unmount(node->un_zhp,
5906 node->un_mountp, flags) != 0)
5907 ret = 1;
5908 break;
5909 }
5910
5911 zfs_close(node->un_zhp);
5912 free(node->un_mountp);
5913 free(node);
5914 }
5915
5916 uu_avl_walk_end(walk);
5917 uu_avl_destroy(tree);
5918 uu_avl_pool_destroy(pool);
5919
34dc7c2f
BB		 5920 } else {
5921 if (argc != 1) {
5922 if (argc == 0)
5923 (void) fprintf(stderr,
5924 gettext("missing filesystem argument\n"));
5925 else
5926 (void) fprintf(stderr,
5927 gettext("too many arguments\n"));
5928 usage(B_FALSE);
5929 }
5930
5931 /*
5932 * We have an argument, but it may be a full path or a ZFS
5933 * filesystem. Pass full paths off to unmount_path() (shared by
5934 * manual_unmount), otherwise open the filesystem and pass to
5935 * zfs_unmount().
5936 */
5937 if (argv[0][0] == '/')
5938 return (unshare_unmount_path(op, argv[0],
5939 flags, B_FALSE));
5940
572e2857
BB		 5941 if ((zhp = zfs_open(g_zfs, argv[0],
5942 ZFS_TYPE_FILESYSTEM)) == NULL)
34dc7c2f
BB		 5943 return (1);
5944
572e2857
BB		 5945 verify(zfs_prop_get(zhp, op == OP_SHARE ?
5946 ZFS_PROP_SHARENFS : ZFS_PROP_MOUNTPOINT,
5947 nfs_mnt_prop, sizeof (nfs_mnt_prop), NULL,
5948 NULL, 0, B_FALSE) == 0);
34dc7c2f 5949
572e2857
BB		 5950 switch (op) {
5951 case OP_SHARE:
5952 verify(zfs_prop_get(zhp, ZFS_PROP_SHARENFS,
5953 nfs_mnt_prop,
5954 sizeof (nfs_mnt_prop),
5955 NULL, NULL, 0, B_FALSE) == 0);
5956 verify(zfs_prop_get(zhp, ZFS_PROP_SHARESMB,
5957 sharesmb, sizeof (sharesmb), NULL, NULL,
5958 0, B_FALSE) == 0);
5959
5960 if (strcmp(nfs_mnt_prop, "off") == 0 &&
5961 strcmp(sharesmb, "off") == 0) {
5962 (void) fprintf(stderr, gettext("cannot "
5963 "unshare '%s': legacy share\n"),
5964 zfs_get_name(zhp));
5965 (void) fprintf(stderr, gettext("use "
5966 "unshare(1M) to unshare this "
5967 "filesystem\n"));
5968 ret = 1;
5969 } else if (!zfs_is_shared(zhp)) {
5970 (void) fprintf(stderr, gettext("cannot "
5971 "unshare '%s': not currently "
5972 "shared\n"), zfs_get_name(zhp));
5973 ret = 1;
5974 } else if (zfs_unshareall(zhp) != 0) {
5975 ret = 1;
5976 }
5977 break;
34dc7c2f 5978
572e2857
BB		 5979 case OP_MOUNT:
5980 if (strcmp(nfs_mnt_prop, "legacy") == 0) {
5981 (void) fprintf(stderr, gettext("cannot "
5982 "unmount '%s': legacy "
5983 "mountpoint\n"), zfs_get_name(zhp));
5984 (void) fprintf(stderr, gettext("use "
5985 "umount(1M) to unmount this "
5986 "filesystem\n"));
5987 ret = 1;
5988 } else if (!zfs_is_mounted(zhp, NULL)) {
5989 (void) fprintf(stderr, gettext("cannot "
5990 "unmount '%s': not currently "
5991 "mounted\n"),
5992 zfs_get_name(zhp));
5993 ret = 1;
5994 } else if (zfs_unmountall(zhp, flags) != 0) {
5995 ret = 1;
34dc7c2f 5996 }
572e2857 5997 break;
34dc7c2f
BB		 5998 }
5999
6000 zfs_close(zhp);
6001 }
6002
6003 return (ret);
6004}
6005
6006/*
6007 * zfs unmount -a
6008 * zfs unmount filesystem
6009 *
6010 * Unmount all filesystems, or a specific ZFS filesystem.
6011 */
6012static int
6013zfs_do_unmount(int argc, char **argv)
6014{
6015 return (unshare_unmount(OP_MOUNT, argc, argv));
6016}
6017
6018/*
6019 * zfs unshare -a
6020 * zfs unshare filesystem
6021 *
6022 * Unshare all filesystems, or a specific ZFS filesystem.
6023 */
6024static int
6025zfs_do_unshare(int argc, char **argv)
6026{
6027 return (unshare_unmount(OP_SHARE, argc, argv));
6028}
6029
34dc7c2f
BB		 6030static int
6031find_command_idx(char *command, int *idx)
6032{
6033 int i;
6034
6035 for (i = 0; i < NCOMMAND; i++) {
6036 if (command_table[i].name == NULL)
6037 continue;
6038
6039 if (strcmp(command, command_table[i].name) == 0) {
6040 *idx = i;
6041 return (0);
6042 }
6043 }
6044 return (1);
6045}
6046
572e2857
BB		 6047static int
6048zfs_do_diff(int argc, char **argv)
6049{
6050 zfs_handle_t *zhp;
6051 int flags = 0;
6052 char *tosnap = NULL;
6053 char *fromsnap = NULL;
6054 char *atp, *copy;
6055 int err;
6056 int c;
6057
6058 while ((c = getopt(argc, argv, "FHt")) != -1) {
6059 switch (c) {
6060 case 'F':
6061 flags |= ZFS_DIFF_CLASSIFY;
6062 break;
6063 case 'H':
6064 flags |= ZFS_DIFF_PARSEABLE;
6065 break;
6066 case 't':
6067 flags |= ZFS_DIFF_TIMESTAMP;
6068 break;
6069 default:
6070 (void) fprintf(stderr,
6071 gettext("invalid option '%c'\n"), optopt);
6072 usage(B_FALSE);
6073 }
6074 }
6075
6076 argc -= optind;
6077 argv += optind;
6078
6079 if (argc < 1) {
6080 (void) fprintf(stderr,
6081 gettext("must provide at least one snapshot name\n"));
6082 usage(B_FALSE);
6083 }
6084
6085 if (argc > 2) {
6086 (void) fprintf(stderr, gettext("too many arguments\n"));
6087 usage(B_FALSE);
6088 }
6089
6090 fromsnap = argv[0];
6091 tosnap = (argc == 2) ? argv[1] : NULL;
6092
6093 copy = NULL;
6094 if (*fromsnap != '@')
6095 copy = strdup(fromsnap);
6096 else if (tosnap)
6097 copy = strdup(tosnap);
6098 if (copy == NULL)
6099 usage(B_FALSE);
6100
c65aa5b2 6101 if ((atp = strchr(copy, '@')))
572e2857
BB		 6102 *atp = '\0';
6103
6104 if ((zhp = zfs_open(g_zfs, copy, ZFS_TYPE_FILESYSTEM)) == NULL)
6105 return (1);
6106
6107 free(copy);
6108
6109 /*
6110 * Ignore SIGPIPE so that the library can give us
6111 * information on any failure
6112 */
6113 (void) sigignore(SIGPIPE);
6114
6115 err = zfs_show_diffs(zhp, STDOUT_FILENO, fromsnap, tosnap, flags);
6116
6117 zfs_close(zhp);
6118
6119 return (err != 0);
6120}
6121
34dc7c2f
BB		 6122int
6123main(int argc, char **argv)
6124{
6125 int ret;
d4ed6673 6126 int i = 0;
34dc7c2f
BB		 6127 char *cmdname;
6128
6129 (void) setlocale(LC_ALL, "");
6130 (void) textdomain(TEXT_DOMAIN);
6131
6132 opterr = 0;
6133
34dc7c2f
BB		 6134 if ((mnttab_file = fopen(MNTTAB, "r")) == NULL) {
6135 (void) fprintf(stderr, gettext("internal error: unable to "
6136 "open %s\n"), MNTTAB);
6137 return (1);
6138 }
6139
6140 /*
d53368f6 6141 * Make sure the user has specified some command.
34dc7c2f 6142 */
d53368f6
BB		 6143 if (argc < 2) {
6144 (void) fprintf(stderr, gettext("missing command\n"));
6145 usage(B_FALSE);
6146 }
34dc7c2f 6147
d53368f6 6148 cmdname = argv[1];
34dc7c2f 6149
d53368f6
BB		 6150 /*
6151 * The 'umount' command is an alias for 'unmount'
6152 */
6153 if (strcmp(cmdname, "umount") == 0)
6154 cmdname = "unmount";
34dc7c2f 6155
d53368f6
BB		 6156 /*
6157 * The 'recv' command is an alias for 'receive'
6158 */
6159 if (strcmp(cmdname, "recv") == 0)
6160 cmdname = "receive";
34dc7c2f 6161
d53368f6
BB		 6162 /*
6163 * Special case '-?'
6164 */
6165 if ((strcmp(cmdname, "-?") == 0) ||
6166 (strcmp(cmdname, "--help") == 0))
6167 usage(B_TRUE);
34dc7c2f 6168
d53368f6
BB		 6169 if ((g_zfs = libzfs_init()) == NULL)
6170 return (1);
9b020fd9 6171
d53368f6
BB		 6172 zpool_set_history_str("zfs", argc, argv, history_str);
6173 verify(zpool_stage_history(g_zfs, history_str) == 0);
9b020fd9 6174
d53368f6 6175 libzfs_print_on_error(g_zfs, B_TRUE);
9b020fd9 6176
d53368f6
BB		 6177 /*
6178 * Run the appropriate command.
6179 */
b740d602 6180 libzfs_mnttab_cache(g_zfs, B_FALSE);
d53368f6
BB		 6181 if (find_command_idx(cmdname, &i) == 0) {
6182 current_command = &command_table[i];
6183 ret = command_table[i].func(argc - 1, argv + 1);
6184 } else if (strchr(cmdname, '=') != NULL) {
6185 verify(find_command_idx("set", &i) == 0);
6186 current_command = &command_table[i];
6187 ret = command_table[i].func(argc, argv);
6188 } else {
6189 (void) fprintf(stderr, gettext("unrecognized "
6190 "command '%s'\n"), cmdname);
6191 usage(B_FALSE);
6192 ret = 1;
34dc7c2f 6193 }
d53368f6 6194 libzfs_fini(g_zfs);
34dc7c2f
BB		 6195
6196 (void) fclose(mnttab_file);
6197
34dc7c2f
BB		 6198 /*
6199 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
6200 * for the purposes of running ::findleaks.
6201 */
6202 if (getenv("ZFS_ABORT") != NULL) {
6203 (void) printf("dumping core by request\n");
6204 abort();
6205 }
6206
6207 return (ret);
6208}
ZFS On Linux mirror for PVE