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.
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.
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]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
25 * Copyright 2012 Milan Jurik. All rights reserved.
26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
27 * Copyright (c) 2013 Steven Hartland. All rights reserved.
28 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
37 #include <libnvpair.h>
50 #include <sys/mkdev.h>
51 #include <sys/mntent.h>
52 #include <sys/mnttab.h>
53 #include <sys/mount.h>
55 #include <sys/fs/zfs.h>
56 #include <sys/types.h>
60 #include <libzfs_core.h>
62 #include <zfs_deleg.h>
66 #include <directory.h>
67 #endif /* HAVE_IDMAP */
71 #include "zfs_comutil.h"
72 #include "libzfs_impl.h"
74 libzfs_handle_t
*g_zfs
;
76 static FILE *mnttab_file
;
77 static char history_str
[HIS_MAX_RECORD_LEN
];
78 static boolean_t log_history
= B_TRUE
;
80 static int zfs_do_clone(int argc
, char **argv
);
81 static int zfs_do_create(int argc
, char **argv
);
82 static int zfs_do_destroy(int argc
, char **argv
);
83 static int zfs_do_get(int argc
, char **argv
);
84 static int zfs_do_inherit(int argc
, char **argv
);
85 static int zfs_do_list(int argc
, char **argv
);
86 static int zfs_do_mount(int argc
, char **argv
);
87 static int zfs_do_rename(int argc
, char **argv
);
88 static int zfs_do_rollback(int argc
, char **argv
);
89 static int zfs_do_set(int argc
, char **argv
);
90 static int zfs_do_upgrade(int argc
, char **argv
);
91 static int zfs_do_snapshot(int argc
, char **argv
);
92 static int zfs_do_unmount(int argc
, char **argv
);
93 static int zfs_do_share(int argc
, char **argv
);
94 static int zfs_do_unshare(int argc
, char **argv
);
95 static int zfs_do_send(int argc
, char **argv
);
96 static int zfs_do_receive(int argc
, char **argv
);
97 static int zfs_do_promote(int argc
, char **argv
);
98 static int zfs_do_userspace(int argc
, char **argv
);
99 static int zfs_do_allow(int argc
, char **argv
);
100 static int zfs_do_unallow(int argc
, char **argv
);
101 static int zfs_do_hold(int argc
, char **argv
);
102 static int zfs_do_holds(int argc
, char **argv
);
103 static int zfs_do_release(int argc
, char **argv
);
104 static int zfs_do_diff(int argc
, char **argv
);
105 static int zfs_do_bookmark(int argc
, char **argv
);
108 * Enable a reasonable set of defaults for libumem debugging on DEBUG builds.
113 _umem_debug_init(void)
115 return ("default,verbose"); /* $UMEM_DEBUG setting */
119 _umem_logging_init(void)
121 return ("fail,contents"); /* $UMEM_LOGGING setting */
155 typedef struct zfs_command
{
157 int (*func
)(int argc
, char **argv
);
162 * Master command table. Each ZFS command has a name, associated function, and
163 * usage message. The usage messages need to be internationalized, so we have
164 * to have a function to return the usage message based on a command index.
166 * These commands are organized according to how they are displayed in the usage
167 * message. An empty command (one with a NULL name) indicates an empty line in
168 * the generic usage message.
170 static zfs_command_t command_table
[] = {
171 { "create", zfs_do_create
, HELP_CREATE
},
172 { "destroy", zfs_do_destroy
, HELP_DESTROY
},
174 { "snapshot", zfs_do_snapshot
, HELP_SNAPSHOT
},
175 { "rollback", zfs_do_rollback
, HELP_ROLLBACK
},
176 { "clone", zfs_do_clone
, HELP_CLONE
},
177 { "promote", zfs_do_promote
, HELP_PROMOTE
},
178 { "rename", zfs_do_rename
, HELP_RENAME
},
179 { "bookmark", zfs_do_bookmark
, HELP_BOOKMARK
},
181 { "list", zfs_do_list
, HELP_LIST
},
183 { "set", zfs_do_set
, HELP_SET
},
184 { "get", zfs_do_get
, HELP_GET
},
185 { "inherit", zfs_do_inherit
, HELP_INHERIT
},
186 { "upgrade", zfs_do_upgrade
, HELP_UPGRADE
},
187 { "userspace", zfs_do_userspace
, HELP_USERSPACE
},
188 { "groupspace", zfs_do_userspace
, HELP_GROUPSPACE
},
190 { "mount", zfs_do_mount
, HELP_MOUNT
},
191 { "unmount", zfs_do_unmount
, HELP_UNMOUNT
},
192 { "share", zfs_do_share
, HELP_SHARE
},
193 { "unshare", zfs_do_unshare
, HELP_UNSHARE
},
195 { "send", zfs_do_send
, HELP_SEND
},
196 { "receive", zfs_do_receive
, HELP_RECEIVE
},
198 { "allow", zfs_do_allow
, HELP_ALLOW
},
200 { "unallow", zfs_do_unallow
, HELP_UNALLOW
},
202 { "hold", zfs_do_hold
, HELP_HOLD
},
203 { "holds", zfs_do_holds
, HELP_HOLDS
},
204 { "release", zfs_do_release
, HELP_RELEASE
},
205 { "diff", zfs_do_diff
, HELP_DIFF
},
208 #define NCOMMAND (sizeof (command_table) / sizeof (command_table[0]))
210 zfs_command_t
*current_command
;
213 get_usage(zfs_help_t idx
)
217 return (gettext("\tclone [-p] [-o property=value] ... "
218 "<snapshot> <filesystem|volume>\n"));
220 return (gettext("\tcreate [-p] [-o property=value] ... "
222 "\tcreate [-ps] [-b blocksize] [-o property=value] ... "
223 "-V <size> <volume>\n"));
225 return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
226 "\tdestroy [-dnpRrv] "
227 "<filesystem|volume>@<snap>[%<snap>][,...]\n"
228 "\tdestroy <filesystem|volume>#<bookmark>\n"));
230 return (gettext("\tget [-rHp] [-d max] "
231 "[-o \"all\" | field[,...]]\n"
232 "\t [-t type[,...]] [-s source[,...]]\n"
233 "\t <\"all\" | property[,...]> "
234 "[filesystem|volume|snapshot] ...\n"));
236 return (gettext("\tinherit [-rS] <property> "
237 "<filesystem|volume|snapshot> ...\n"));
239 return (gettext("\tupgrade [-v]\n"
240 "\tupgrade [-r] [-V version] <-a | filesystem ...>\n"));
242 return (gettext("\tlist [-Hp] [-r|-d max] [-o property[,...]] "
243 "[-s property]...\n\t [-S property]... [-t type[,...]] "
244 "[filesystem|volume|snapshot] ...\n"));
246 return (gettext("\tmount\n"
247 "\tmount [-vO] [-o opts] <-a | filesystem>\n"));
249 return (gettext("\tpromote <clone-filesystem>\n"));
251 return (gettext("\treceive [-vnsFu] <filesystem|volume|"
253 "\treceive [-vnsFu] [-o origin=<snapshot>] [-d | -e] "
255 "\treceive -A <filesystem|volume>\n"));
257 return (gettext("\trename [-f] <filesystem|volume|snapshot> "
258 "<filesystem|volume|snapshot>\n"
259 "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n"
260 "\trename -r <snapshot> <snapshot>\n"));
262 return (gettext("\trollback [-rRf] <snapshot>\n"));
264 return (gettext("\tsend [-DnPpRvLec] [-[iI] snapshot] "
266 "\tsend [-Le] [-i snapshot|bookmark] "
267 "<filesystem|volume|snapshot>\n"
268 "\tsend [-nvPe] -t <receive_resume_token>\n"));
270 return (gettext("\tset <property=value> ... "
271 "<filesystem|volume|snapshot> ...\n"));
273 return (gettext("\tshare <-a [nfs|smb] | filesystem>\n"));
275 return (gettext("\tsnapshot|snap [-r] [-o property=value] ... "
276 "<filesystem|volume>@<snap> ...\n"));
278 return (gettext("\tunmount [-f] "
279 "<-a | filesystem|mountpoint>\n"));
281 return (gettext("\tunshare "
282 "<-a [nfs|smb] | filesystem|mountpoint>\n"));
284 return (gettext("\tallow <filesystem|volume>\n"
286 "<\"everyone\"|user|group>[,...] <perm|@setname>[,...]\n"
287 "\t <filesystem|volume>\n"
288 "\tallow [-ld] -e <perm|@setname>[,...] "
289 "<filesystem|volume>\n"
290 "\tallow -c <perm|@setname>[,...] <filesystem|volume>\n"
291 "\tallow -s @setname <perm|@setname>[,...] "
292 "<filesystem|volume>\n"));
294 return (gettext("\tunallow [-rldug] "
295 "<\"everyone\"|user|group>[,...]\n"
296 "\t [<perm|@setname>[,...]] <filesystem|volume>\n"
297 "\tunallow [-rld] -e [<perm|@setname>[,...]] "
298 "<filesystem|volume>\n"
299 "\tunallow [-r] -c [<perm|@setname>[,...]] "
300 "<filesystem|volume>\n"
301 "\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
302 "<filesystem|volume>\n"));
304 return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
306 "\t [-S field] ... [-t type[,...]] "
307 "<filesystem|snapshot>\n"));
308 case HELP_GROUPSPACE
:
309 return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
311 "\t [-S field] ... [-t type[,...]] "
312 "<filesystem|snapshot>\n"));
314 return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
316 return (gettext("\tholds [-r] <snapshot> ...\n"));
318 return (gettext("\trelease [-r] <tag> <snapshot> ...\n"));
320 return (gettext("\tdiff [-FHt] <snapshot> "
321 "[snapshot|filesystem]\n"));
323 return (gettext("\tbookmark <snapshot> <bookmark>\n"));
333 (void) fprintf(stderr
, gettext("internal error: out of memory\n"));
338 * Utility function to guarantee malloc() success.
342 safe_malloc(size_t size
)
346 if ((data
= calloc(1, size
)) == NULL
)
353 safe_strdup(char *str
)
355 char *dupstr
= strdup(str
);
364 * Callback routine that will print out information for each of
368 usage_prop_cb(int prop
, void *cb
)
372 (void) fprintf(fp
, "\t%-15s ", zfs_prop_to_name(prop
));
374 if (zfs_prop_readonly(prop
))
375 (void) fprintf(fp
, " NO ");
377 (void) fprintf(fp
, "YES ");
379 if (zfs_prop_inheritable(prop
))
380 (void) fprintf(fp
, " YES ");
382 (void) fprintf(fp
, " NO ");
384 if (zfs_prop_values(prop
) == NULL
)
385 (void) fprintf(fp
, "-\n");
387 (void) fprintf(fp
, "%s\n", zfs_prop_values(prop
));
393 * Display usage message. If we're inside a command, display only the usage for
394 * that command. Otherwise, iterate over the entire command table and display
395 * a complete usage message.
398 usage(boolean_t requested
)
401 boolean_t show_properties
= B_FALSE
;
402 FILE *fp
= requested
? stdout
: stderr
;
404 if (current_command
== NULL
) {
406 (void) fprintf(fp
, gettext("usage: zfs command args ...\n"));
408 gettext("where 'command' is one of the following:\n\n"));
410 for (i
= 0; i
< NCOMMAND
; i
++) {
411 if (command_table
[i
].name
== NULL
)
412 (void) fprintf(fp
, "\n");
414 (void) fprintf(fp
, "%s",
415 get_usage(command_table
[i
].usage
));
418 (void) fprintf(fp
, gettext("\nEach dataset is of the form: "
419 "pool/[dataset/]*dataset[@name]\n"));
421 (void) fprintf(fp
, gettext("usage:\n"));
422 (void) fprintf(fp
, "%s", get_usage(current_command
->usage
));
425 if (current_command
!= NULL
&&
426 (strcmp(current_command
->name
, "set") == 0 ||
427 strcmp(current_command
->name
, "get") == 0 ||
428 strcmp(current_command
->name
, "inherit") == 0 ||
429 strcmp(current_command
->name
, "list") == 0))
430 show_properties
= B_TRUE
;
432 if (show_properties
) {
434 gettext("\nThe following properties are supported:\n"));
436 (void) fprintf(fp
, "\n\t%-14s %s %s %s\n\n",
437 "PROPERTY", "EDIT", "INHERIT", "VALUES");
439 /* Iterate over all properties */
440 (void) zprop_iter(usage_prop_cb
, fp
, B_FALSE
, B_TRUE
,
443 (void) fprintf(fp
, "\t%-15s ", "userused@...");
444 (void) fprintf(fp
, " NO NO <size>\n");
445 (void) fprintf(fp
, "\t%-15s ", "groupused@...");
446 (void) fprintf(fp
, " NO NO <size>\n");
447 (void) fprintf(fp
, "\t%-15s ", "userquota@...");
448 (void) fprintf(fp
, "YES NO <size> | none\n");
449 (void) fprintf(fp
, "\t%-15s ", "groupquota@...");
450 (void) fprintf(fp
, "YES NO <size> | none\n");
451 (void) fprintf(fp
, "\t%-15s ", "written@<snap>");
452 (void) fprintf(fp
, " NO NO <size>\n");
454 (void) fprintf(fp
, gettext("\nSizes are specified in bytes "
455 "with standard units such as K, M, G, etc.\n"));
456 (void) fprintf(fp
, gettext("\nUser-defined properties can "
457 "be specified by using a name containing a colon (:).\n"));
458 (void) fprintf(fp
, gettext("\nThe {user|group}{used|quota}@ "
459 "properties must be appended with\n"
460 "a user or group specifier of one of these forms:\n"
461 " POSIX name (eg: \"matt\")\n"
462 " POSIX id (eg: \"126829\")\n"
463 " SMB name@domain (eg: \"matt@sun\")\n"
464 " SMB SID (eg: \"S-1-234-567-89\")\n"));
467 gettext("\nFor the property list, run: %s\n"),
470 gettext("\nFor the delegated permission list, run: %s\n"),
471 "zfs allow|unallow");
475 * See comments at end of main().
477 if (getenv("ZFS_ABORT") != NULL
) {
478 (void) printf("dumping core by request\n");
482 exit(requested
? 0 : 2);
486 * Take a property=value argument string and add it to the given nvlist.
487 * Modifies the argument inplace.
490 parseprop(nvlist_t
*props
, char *propname
)
492 char *propval
, *strval
;
494 if ((propval
= strchr(propname
, '=')) == NULL
) {
495 (void) fprintf(stderr
, gettext("missing "
496 "'=' for property=value argument\n"));
501 if (nvlist_lookup_string(props
, propname
, &strval
) == 0) {
502 (void) fprintf(stderr
, gettext("property '%s' "
503 "specified multiple times\n"), propname
);
506 if (nvlist_add_string(props
, propname
, propval
) != 0)
512 parse_depth(char *opt
, int *flags
)
517 depth
= (int)strtol(opt
, &tmp
, 0);
519 (void) fprintf(stderr
,
520 gettext("%s is not an integer\n"), optarg
);
524 (void) fprintf(stderr
,
525 gettext("Depth can not be negative.\n"));
528 *flags
|= (ZFS_ITER_DEPTH_LIMIT
|ZFS_ITER_RECURSE
);
532 #define PROGRESS_DELAY 2 /* seconds */
534 static char *pt_reverse
= "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b";
535 static time_t pt_begin
;
536 static char *pt_header
= NULL
;
537 static boolean_t pt_shown
;
540 start_progress_timer(void)
542 pt_begin
= time(NULL
) + PROGRESS_DELAY
;
547 set_progress_header(char *header
)
549 assert(pt_header
== NULL
);
550 pt_header
= safe_strdup(header
);
552 (void) printf("%s: ", header
);
553 (void) fflush(stdout
);
558 update_progress(char *update
)
560 if (!pt_shown
&& time(NULL
) > pt_begin
) {
561 int len
= strlen(update
);
563 (void) printf("%s: %s%*.*s", pt_header
, update
, len
, len
,
565 (void) fflush(stdout
);
567 } else if (pt_shown
) {
568 int len
= strlen(update
);
570 (void) printf("%s%*.*s", update
, len
, len
, pt_reverse
);
571 (void) fflush(stdout
);
576 finish_progress(char *done
)
579 (void) printf("%s\n", done
);
580 (void) fflush(stdout
);
587 zfs_mount_and_share(libzfs_handle_t
*hdl
, const char *dataset
, zfs_type_t type
)
589 zfs_handle_t
*zhp
= NULL
;
592 zhp
= zfs_open(hdl
, dataset
, type
);
597 * Volumes may neither be mounted or shared. Potentially in the
598 * future filesystems detected on these volumes could be mounted.
600 if (zfs_get_type(zhp
) == ZFS_TYPE_VOLUME
) {
606 * Mount and/or share the new filesystem as appropriate. We provide a
607 * verbose error message to let the user know that their filesystem was
608 * in fact created, even if we failed to mount or share it.
610 * If the user doesn't want the dataset automatically mounted, then
611 * skip the mount/share step
613 if (zfs_prop_valid_for_type(ZFS_PROP_CANMOUNT
, type
, B_FALSE
) &&
614 zfs_prop_get_int(zhp
, ZFS_PROP_CANMOUNT
) == ZFS_CANMOUNT_ON
) {
615 if (geteuid() != 0) {
616 (void) fprintf(stderr
, gettext("filesystem "
617 "successfully created, but it may only be "
618 "mounted by root\n"));
620 } else if (zfs_mount(zhp
, NULL
, 0) != 0) {
621 (void) fprintf(stderr
, gettext("filesystem "
622 "successfully created, but not mounted\n"));
624 } else if (zfs_share(zhp
) != 0) {
625 (void) fprintf(stderr
, gettext("filesystem "
626 "successfully created, but not shared\n"));
637 * zfs clone [-p] [-o prop=value] ... <snap> <fs | vol>
639 * Given an existing dataset, create a writable copy whose initial contents
640 * are the same as the source. The newly created dataset maintains a
641 * dependency on the original; the original cannot be destroyed so long as
644 * The '-p' flag creates all the non-existing ancestors of the target first.
647 zfs_do_clone(int argc
, char **argv
)
649 zfs_handle_t
*zhp
= NULL
;
650 boolean_t parents
= B_FALSE
;
655 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
659 while ((c
= getopt(argc
, argv
, "o:p")) != -1) {
662 if (parseprop(props
, optarg
) != 0) {
671 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
680 /* check number of arguments */
682 (void) fprintf(stderr
, gettext("missing source dataset "
687 (void) fprintf(stderr
, gettext("missing target dataset "
692 (void) fprintf(stderr
, gettext("too many arguments\n"));
696 /* open the source dataset */
697 if ((zhp
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_SNAPSHOT
)) == NULL
) {
702 if (parents
&& zfs_name_valid(argv
[1], ZFS_TYPE_FILESYSTEM
|
705 * Now create the ancestors of the target dataset. If the
706 * target already exists and '-p' option was used we should not
709 if (zfs_dataset_exists(g_zfs
, argv
[1], ZFS_TYPE_FILESYSTEM
|
715 if (zfs_create_ancestors(g_zfs
, argv
[1]) != 0) {
723 ret
= zfs_clone(zhp
, argv
[1], props
);
725 /* create the mountpoint if necessary */
728 (void) zpool_log_history(g_zfs
, history_str
);
729 log_history
= B_FALSE
;
732 ret
= zfs_mount_and_share(g_zfs
, argv
[1], ZFS_TYPE_DATASET
);
749 * zfs create [-p] [-o prop=value] ... fs
750 * zfs create [-ps] [-b blocksize] [-o prop=value] ... -V vol size
752 * Create a new dataset. This command can be used to create filesystems
753 * and volumes. Snapshot creation is handled by 'zfs snapshot'.
754 * For volumes, the user must specify a size to be used.
756 * The '-s' flag applies only to volumes, and indicates that we should not try
757 * to set the reservation for this volume. By default we set a reservation
758 * equal to the size for any volume. For pools with SPA_VERSION >=
759 * SPA_VERSION_REFRESERVATION, we set a refreservation instead.
761 * The '-p' flag creates all the non-existing ancestors of the target first.
764 zfs_do_create(int argc
, char **argv
)
766 zfs_type_t type
= ZFS_TYPE_FILESYSTEM
;
767 uint64_t volsize
= 0;
769 boolean_t noreserve
= B_FALSE
;
770 boolean_t bflag
= B_FALSE
;
771 boolean_t parents
= B_FALSE
;
776 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
780 while ((c
= getopt(argc
, argv
, ":V:b:so:p")) != -1) {
783 type
= ZFS_TYPE_VOLUME
;
784 if (zfs_nicestrtonum(g_zfs
, optarg
, &intval
) != 0) {
785 (void) fprintf(stderr
, gettext("bad volume "
786 "size '%s': %s\n"), optarg
,
787 libzfs_error_description(g_zfs
));
791 if (nvlist_add_uint64(props
,
792 zfs_prop_to_name(ZFS_PROP_VOLSIZE
), intval
) != 0)
801 if (zfs_nicestrtonum(g_zfs
, optarg
, &intval
) != 0) {
802 (void) fprintf(stderr
, gettext("bad volume "
803 "block size '%s': %s\n"), optarg
,
804 libzfs_error_description(g_zfs
));
808 if (nvlist_add_uint64(props
,
809 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE
),
814 if (parseprop(props
, optarg
) != 0)
821 (void) fprintf(stderr
, gettext("missing size "
825 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
831 if ((bflag
|| noreserve
) && type
!= ZFS_TYPE_VOLUME
) {
832 (void) fprintf(stderr
, gettext("'-s' and '-b' can only be "
833 "used when creating a volume\n"));
840 /* check number of arguments */
842 (void) fprintf(stderr
, gettext("missing %s argument\n"),
843 zfs_type_to_name(type
));
847 (void) fprintf(stderr
, gettext("too many arguments\n"));
851 if (type
== ZFS_TYPE_VOLUME
&& !noreserve
) {
852 zpool_handle_t
*zpool_handle
;
853 nvlist_t
*real_props
= NULL
;
854 uint64_t spa_version
;
856 zfs_prop_t resv_prop
;
860 if ((p
= strchr(argv
[0], '/')))
862 zpool_handle
= zpool_open(g_zfs
, argv
[0]);
865 if (zpool_handle
== NULL
)
867 spa_version
= zpool_get_prop_int(zpool_handle
,
868 ZPOOL_PROP_VERSION
, NULL
);
869 if (spa_version
>= SPA_VERSION_REFRESERVATION
)
870 resv_prop
= ZFS_PROP_REFRESERVATION
;
872 resv_prop
= ZFS_PROP_RESERVATION
;
874 (void) snprintf(msg
, sizeof (msg
),
875 gettext("cannot create '%s'"), argv
[0]);
876 if (props
&& (real_props
= zfs_valid_proplist(g_zfs
, type
,
877 props
, 0, NULL
, zpool_handle
, msg
)) == NULL
) {
878 zpool_close(zpool_handle
);
881 zpool_close(zpool_handle
);
883 volsize
= zvol_volsize_to_reservation(volsize
, real_props
);
884 nvlist_free(real_props
);
886 if (nvlist_lookup_string(props
, zfs_prop_to_name(resv_prop
),
888 if (nvlist_add_uint64(props
,
889 zfs_prop_to_name(resv_prop
), volsize
) != 0) {
896 if (parents
&& zfs_name_valid(argv
[0], type
)) {
898 * Now create the ancestors of target dataset. If the target
899 * already exists and '-p' option was used we should not
902 if (zfs_dataset_exists(g_zfs
, argv
[0], type
)) {
906 if (zfs_create_ancestors(g_zfs
, argv
[0]) != 0)
911 if (zfs_create(g_zfs
, argv
[0], type
, props
) != 0)
915 (void) zpool_log_history(g_zfs
, history_str
);
916 log_history
= B_FALSE
;
919 ret
= zfs_mount_and_share(g_zfs
, argv
[0], ZFS_TYPE_DATASET
);
930 * zfs destroy [-rRf] <fs, vol>
931 * zfs destroy [-rRd] <snap>
933 * -r Recursively destroy all children
934 * -R Recursively destroy all dependents, including clones
935 * -f Force unmounting of any dependents
936 * -d If we can't destroy now, mark for deferred destruction
938 * Destroys the given dataset. By default, it will unmount any filesystems,
939 * and refuse to destroy a dataset that has any dependents. A dependent can
940 * either be a child, or a clone of a child.
942 typedef struct destroy_cbdata
{
945 boolean_t cb_recurse
;
947 boolean_t cb_doclones
;
948 zfs_handle_t
*cb_target
;
949 boolean_t cb_defer_destroy
;
950 boolean_t cb_verbose
;
951 boolean_t cb_parsable
;
954 nvlist_t
*cb_batchedsnaps
;
956 /* first snap in contiguous run */
958 /* previous snap in contiguous run */
966 * Check for any dependents based on the '-r' or '-R' flags.
969 destroy_check_dependent(zfs_handle_t
*zhp
, void *data
)
971 destroy_cbdata_t
*cbp
= data
;
972 const char *tname
= zfs_get_name(cbp
->cb_target
);
973 const char *name
= zfs_get_name(zhp
);
975 if (strncmp(tname
, name
, strlen(tname
)) == 0 &&
976 (name
[strlen(tname
)] == '/' || name
[strlen(tname
)] == '@')) {
978 * This is a direct descendant, not a clone somewhere else in
985 (void) fprintf(stderr
, gettext("cannot destroy '%s': "
986 "%s has children\n"),
987 zfs_get_name(cbp
->cb_target
),
988 zfs_type_to_name(zfs_get_type(cbp
->cb_target
)));
989 (void) fprintf(stderr
, gettext("use '-r' to destroy "
990 "the following datasets:\n"));
991 cbp
->cb_first
= B_FALSE
;
992 cbp
->cb_error
= B_TRUE
;
995 (void) fprintf(stderr
, "%s\n", zfs_get_name(zhp
));
998 * This is a clone. We only want to report this if the '-r'
999 * wasn't specified, or the target is a snapshot.
1001 if (!cbp
->cb_recurse
&&
1002 zfs_get_type(cbp
->cb_target
) != ZFS_TYPE_SNAPSHOT
)
1005 if (cbp
->cb_first
) {
1006 (void) fprintf(stderr
, gettext("cannot destroy '%s': "
1007 "%s has dependent clones\n"),
1008 zfs_get_name(cbp
->cb_target
),
1009 zfs_type_to_name(zfs_get_type(cbp
->cb_target
)));
1010 (void) fprintf(stderr
, gettext("use '-R' to destroy "
1011 "the following datasets:\n"));
1012 cbp
->cb_first
= B_FALSE
;
1013 cbp
->cb_error
= B_TRUE
;
1014 cbp
->cb_dryrun
= B_TRUE
;
1017 (void) fprintf(stderr
, "%s\n", zfs_get_name(zhp
));
1026 destroy_callback(zfs_handle_t
*zhp
, void *data
)
1028 destroy_cbdata_t
*cb
= data
;
1029 const char *name
= zfs_get_name(zhp
);
1031 if (cb
->cb_verbose
) {
1032 if (cb
->cb_parsable
) {
1033 (void) printf("destroy\t%s\n", name
);
1034 } else if (cb
->cb_dryrun
) {
1035 (void) printf(gettext("would destroy %s\n"),
1038 (void) printf(gettext("will destroy %s\n"),
1044 * Ignore pools (which we've already flagged as an error before getting
1047 if (strchr(zfs_get_name(zhp
), '/') == NULL
&&
1048 zfs_get_type(zhp
) == ZFS_TYPE_FILESYSTEM
) {
1052 if (cb
->cb_dryrun
) {
1058 * We batch up all contiguous snapshots (even of different
1059 * filesystems) and destroy them with one ioctl. We can't
1060 * simply do all snap deletions and then all fs deletions,
1061 * because we must delete a clone before its origin.
1063 if (zfs_get_type(zhp
) == ZFS_TYPE_SNAPSHOT
) {
1064 fnvlist_add_boolean(cb
->cb_batchedsnaps
, name
);
1066 int error
= zfs_destroy_snaps_nvl(g_zfs
,
1067 cb
->cb_batchedsnaps
, B_FALSE
);
1068 fnvlist_free(cb
->cb_batchedsnaps
);
1069 cb
->cb_batchedsnaps
= fnvlist_alloc();
1072 zfs_unmount(zhp
, NULL
, cb
->cb_force
? MS_FORCE
: 0) != 0 ||
1073 zfs_destroy(zhp
, cb
->cb_defer_destroy
) != 0) {
1084 destroy_print_cb(zfs_handle_t
*zhp
, void *arg
)
1086 destroy_cbdata_t
*cb
= arg
;
1087 const char *name
= zfs_get_name(zhp
);
1090 if (nvlist_exists(cb
->cb_nvl
, name
)) {
1091 if (cb
->cb_firstsnap
== NULL
)
1092 cb
->cb_firstsnap
= strdup(name
);
1093 if (cb
->cb_prevsnap
!= NULL
)
1094 free(cb
->cb_prevsnap
);
1095 /* this snap continues the current range */
1096 cb
->cb_prevsnap
= strdup(name
);
1097 if (cb
->cb_firstsnap
== NULL
|| cb
->cb_prevsnap
== NULL
)
1099 if (cb
->cb_verbose
) {
1100 if (cb
->cb_parsable
) {
1101 (void) printf("destroy\t%s\n", name
);
1102 } else if (cb
->cb_dryrun
) {
1103 (void) printf(gettext("would destroy %s\n"),
1106 (void) printf(gettext("will destroy %s\n"),
1110 } else if (cb
->cb_firstsnap
!= NULL
) {
1111 /* end of this range */
1113 err
= lzc_snaprange_space(cb
->cb_firstsnap
,
1114 cb
->cb_prevsnap
, &used
);
1115 cb
->cb_snapused
+= used
;
1116 free(cb
->cb_firstsnap
);
1117 cb
->cb_firstsnap
= NULL
;
1118 free(cb
->cb_prevsnap
);
1119 cb
->cb_prevsnap
= NULL
;
1126 destroy_print_snapshots(zfs_handle_t
*fs_zhp
, destroy_cbdata_t
*cb
)
1129 assert(cb
->cb_firstsnap
== NULL
);
1130 assert(cb
->cb_prevsnap
== NULL
);
1131 err
= zfs_iter_snapshots_sorted(fs_zhp
, destroy_print_cb
, cb
);
1132 if (cb
->cb_firstsnap
!= NULL
) {
1135 err
= lzc_snaprange_space(cb
->cb_firstsnap
,
1136 cb
->cb_prevsnap
, &used
);
1138 cb
->cb_snapused
+= used
;
1139 free(cb
->cb_firstsnap
);
1140 cb
->cb_firstsnap
= NULL
;
1141 free(cb
->cb_prevsnap
);
1142 cb
->cb_prevsnap
= NULL
;
1148 snapshot_to_nvl_cb(zfs_handle_t
*zhp
, void *arg
)
1150 destroy_cbdata_t
*cb
= arg
;
1153 /* Check for clones. */
1154 if (!cb
->cb_doclones
&& !cb
->cb_defer_destroy
) {
1155 cb
->cb_target
= zhp
;
1156 cb
->cb_first
= B_TRUE
;
1157 err
= zfs_iter_dependents(zhp
, B_TRUE
,
1158 destroy_check_dependent
, cb
);
1162 if (nvlist_add_boolean(cb
->cb_nvl
, zfs_get_name(zhp
)))
1170 gather_snapshots(zfs_handle_t
*zhp
, void *arg
)
1172 destroy_cbdata_t
*cb
= arg
;
1175 err
= zfs_iter_snapspec(zhp
, cb
->cb_snapspec
, snapshot_to_nvl_cb
, cb
);
1181 if (cb
->cb_verbose
) {
1182 err
= destroy_print_snapshots(zhp
, cb
);
1188 err
= zfs_iter_filesystems(zhp
, gather_snapshots
, cb
);
1196 destroy_clones(destroy_cbdata_t
*cb
)
1199 for (pair
= nvlist_next_nvpair(cb
->cb_nvl
, NULL
);
1201 pair
= nvlist_next_nvpair(cb
->cb_nvl
, pair
)) {
1202 zfs_handle_t
*zhp
= zfs_open(g_zfs
, nvpair_name(pair
),
1205 boolean_t defer
= cb
->cb_defer_destroy
;
1209 * We can't defer destroy non-snapshots, so set it to
1210 * false while destroying the clones.
1212 cb
->cb_defer_destroy
= B_FALSE
;
1213 err
= zfs_iter_dependents(zhp
, B_FALSE
,
1214 destroy_callback
, cb
);
1215 cb
->cb_defer_destroy
= defer
;
1225 zfs_do_destroy(int argc
, char **argv
)
1227 destroy_cbdata_t cb
= { 0 };
1231 zfs_handle_t
*zhp
= NULL
;
1233 zfs_type_t type
= ZFS_TYPE_DATASET
;
1236 while ((c
= getopt(argc
, argv
, "vpndfrR")) != -1) {
1239 cb
.cb_verbose
= B_TRUE
;
1242 cb
.cb_verbose
= B_TRUE
;
1243 cb
.cb_parsable
= B_TRUE
;
1246 cb
.cb_dryrun
= B_TRUE
;
1249 cb
.cb_defer_destroy
= B_TRUE
;
1250 type
= ZFS_TYPE_SNAPSHOT
;
1253 cb
.cb_force
= B_TRUE
;
1256 cb
.cb_recurse
= B_TRUE
;
1259 cb
.cb_recurse
= B_TRUE
;
1260 cb
.cb_doclones
= B_TRUE
;
1264 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
1273 /* check number of arguments */
1275 (void) fprintf(stderr
, gettext("missing dataset argument\n"));
1279 (void) fprintf(stderr
, gettext("too many arguments\n"));
1283 at
= strchr(argv
[0], '@');
1284 pound
= strchr(argv
[0], '#');
1287 /* Build the list of snaps to destroy in cb_nvl. */
1288 cb
.cb_nvl
= fnvlist_alloc();
1291 zhp
= zfs_open(g_zfs
, argv
[0],
1292 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
1294 nvlist_free(cb
.cb_nvl
);
1298 cb
.cb_snapspec
= at
+ 1;
1299 if (gather_snapshots(zfs_handle_dup(zhp
), &cb
) != 0 ||
1305 if (nvlist_empty(cb
.cb_nvl
)) {
1306 (void) fprintf(stderr
, gettext("could not find any "
1307 "snapshots to destroy; check snapshot names.\n"));
1312 if (cb
.cb_verbose
) {
1314 zfs_nicenum(cb
.cb_snapused
, buf
, sizeof (buf
));
1315 if (cb
.cb_parsable
) {
1316 (void) printf("reclaim\t%llu\n",
1317 (u_longlong_t
)cb
.cb_snapused
);
1318 } else if (cb
.cb_dryrun
) {
1319 (void) printf(gettext("would reclaim %s\n"),
1322 (void) printf(gettext("will reclaim %s\n"),
1327 if (!cb
.cb_dryrun
) {
1328 if (cb
.cb_doclones
) {
1329 cb
.cb_batchedsnaps
= fnvlist_alloc();
1330 err
= destroy_clones(&cb
);
1332 err
= zfs_destroy_snaps_nvl(g_zfs
,
1333 cb
.cb_batchedsnaps
, B_FALSE
);
1341 err
= zfs_destroy_snaps_nvl(g_zfs
, cb
.cb_nvl
,
1342 cb
.cb_defer_destroy
);
1348 } else if (pound
!= NULL
) {
1353 (void) fprintf(stderr
,
1354 "dryrun is not supported with bookmark\n");
1358 if (cb
.cb_defer_destroy
) {
1359 (void) fprintf(stderr
,
1360 "defer destroy is not supported with bookmark\n");
1364 if (cb
.cb_recurse
) {
1365 (void) fprintf(stderr
,
1366 "recursive is not supported with bookmark\n");
1370 if (!zfs_bookmark_exists(argv
[0])) {
1371 (void) fprintf(stderr
, gettext("bookmark '%s' "
1372 "does not exist.\n"), argv
[0]);
1376 nvl
= fnvlist_alloc();
1377 fnvlist_add_boolean(nvl
, argv
[0]);
1379 err
= lzc_destroy_bookmarks(nvl
, NULL
);
1381 (void) zfs_standard_error(g_zfs
, err
,
1382 "cannot destroy bookmark");
1389 /* Open the given dataset */
1390 if ((zhp
= zfs_open(g_zfs
, argv
[0], type
)) == NULL
)
1396 * Perform an explicit check for pools before going any further.
1398 if (!cb
.cb_recurse
&& strchr(zfs_get_name(zhp
), '/') == NULL
&&
1399 zfs_get_type(zhp
) == ZFS_TYPE_FILESYSTEM
) {
1400 (void) fprintf(stderr
, gettext("cannot destroy '%s': "
1401 "operation does not apply to pools\n"),
1403 (void) fprintf(stderr
, gettext("use 'zfs destroy -r "
1404 "%s' to destroy all datasets in the pool\n"),
1406 (void) fprintf(stderr
, gettext("use 'zpool destroy %s' "
1407 "to destroy the pool itself\n"), zfs_get_name(zhp
));
1413 * Check for any dependents and/or clones.
1415 cb
.cb_first
= B_TRUE
;
1416 if (!cb
.cb_doclones
&&
1417 zfs_iter_dependents(zhp
, B_TRUE
, destroy_check_dependent
,
1428 cb
.cb_batchedsnaps
= fnvlist_alloc();
1429 if (zfs_iter_dependents(zhp
, B_FALSE
, destroy_callback
,
1436 * Do the real thing. The callback will close the
1437 * handle regardless of whether it succeeds or not.
1439 err
= destroy_callback(zhp
, &cb
);
1442 err
= zfs_destroy_snaps_nvl(g_zfs
,
1443 cb
.cb_batchedsnaps
, cb
.cb_defer_destroy
);
1450 fnvlist_free(cb
.cb_batchedsnaps
);
1451 fnvlist_free(cb
.cb_nvl
);
1458 is_recvd_column(zprop_get_cbdata_t
*cbp
)
1461 zfs_get_column_t col
;
1463 for (i
= 0; i
< ZFS_GET_NCOLS
&&
1464 (col
= cbp
->cb_columns
[i
]) != GET_COL_NONE
; i
++)
1465 if (col
== GET_COL_RECVD
)
1471 * zfs get [-rHp] [-o all | field[,field]...] [-s source[,source]...]
1472 * < all | property[,property]... > < fs | snap | vol > ...
1474 * -r recurse over any child datasets
1475 * -H scripted mode. Headers are stripped, and fields are separated
1476 * by tabs instead of spaces.
1477 * -o Set of fields to display. One of "name,property,value,
1478 * received,source". Default is "name,property,value,source".
1479 * "all" is an alias for all five.
1480 * -s Set of sources to allow. One of
1481 * "local,default,inherited,received,temporary,none". Default is
1483 * -p Display values in parsable (literal) format.
1485 * Prints properties for the given datasets. The user can control which
1486 * columns to display as well as which property types to allow.
1490 * Invoked to display the properties for a single dataset.
1493 get_callback(zfs_handle_t
*zhp
, void *data
)
1495 char buf
[ZFS_MAXPROPLEN
];
1496 char rbuf
[ZFS_MAXPROPLEN
];
1497 zprop_source_t sourcetype
;
1498 char source
[ZFS_MAX_DATASET_NAME_LEN
];
1499 zprop_get_cbdata_t
*cbp
= data
;
1500 nvlist_t
*user_props
= zfs_get_user_props(zhp
);
1501 zprop_list_t
*pl
= cbp
->cb_proplist
;
1505 boolean_t received
= is_recvd_column(cbp
);
1507 for (; pl
!= NULL
; pl
= pl
->pl_next
) {
1508 char *recvdval
= NULL
;
1510 * Skip the special fake placeholder. This will also skip over
1511 * the name property when 'all' is specified.
1513 if (pl
->pl_prop
== ZFS_PROP_NAME
&&
1514 pl
== cbp
->cb_proplist
)
1517 if (pl
->pl_prop
!= ZPROP_INVAL
) {
1518 if (zfs_prop_get(zhp
, pl
->pl_prop
, buf
,
1519 sizeof (buf
), &sourcetype
, source
,
1521 cbp
->cb_literal
) != 0) {
1524 if (!zfs_prop_valid_for_type(pl
->pl_prop
,
1525 ZFS_TYPE_DATASET
, B_FALSE
)) {
1526 (void) fprintf(stderr
,
1527 gettext("No such property '%s'\n"),
1528 zfs_prop_to_name(pl
->pl_prop
));
1531 sourcetype
= ZPROP_SRC_NONE
;
1532 (void) strlcpy(buf
, "-", sizeof (buf
));
1535 if (received
&& (zfs_prop_get_recvd(zhp
,
1536 zfs_prop_to_name(pl
->pl_prop
), rbuf
, sizeof (rbuf
),
1537 cbp
->cb_literal
) == 0))
1540 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1541 zfs_prop_to_name(pl
->pl_prop
),
1542 buf
, sourcetype
, source
, recvdval
);
1543 } else if (zfs_prop_userquota(pl
->pl_user_prop
)) {
1544 sourcetype
= ZPROP_SRC_LOCAL
;
1546 if (zfs_prop_get_userquota(zhp
, pl
->pl_user_prop
,
1547 buf
, sizeof (buf
), cbp
->cb_literal
) != 0) {
1548 sourcetype
= ZPROP_SRC_NONE
;
1549 (void) strlcpy(buf
, "-", sizeof (buf
));
1552 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1553 pl
->pl_user_prop
, buf
, sourcetype
, source
, NULL
);
1554 } else if (zfs_prop_written(pl
->pl_user_prop
)) {
1555 sourcetype
= ZPROP_SRC_LOCAL
;
1557 if (zfs_prop_get_written(zhp
, pl
->pl_user_prop
,
1558 buf
, sizeof (buf
), cbp
->cb_literal
) != 0) {
1559 sourcetype
= ZPROP_SRC_NONE
;
1560 (void) strlcpy(buf
, "-", sizeof (buf
));
1563 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1564 pl
->pl_user_prop
, buf
, sourcetype
, source
, NULL
);
1566 if (nvlist_lookup_nvlist(user_props
,
1567 pl
->pl_user_prop
, &propval
) != 0) {
1570 sourcetype
= ZPROP_SRC_NONE
;
1573 verify(nvlist_lookup_string(propval
,
1574 ZPROP_VALUE
, &strval
) == 0);
1575 verify(nvlist_lookup_string(propval
,
1576 ZPROP_SOURCE
, &sourceval
) == 0);
1578 if (strcmp(sourceval
,
1579 zfs_get_name(zhp
)) == 0) {
1580 sourcetype
= ZPROP_SRC_LOCAL
;
1581 } else if (strcmp(sourceval
,
1582 ZPROP_SOURCE_VAL_RECVD
) == 0) {
1583 sourcetype
= ZPROP_SRC_RECEIVED
;
1585 sourcetype
= ZPROP_SRC_INHERITED
;
1586 (void) strlcpy(source
,
1587 sourceval
, sizeof (source
));
1591 if (received
&& (zfs_prop_get_recvd(zhp
,
1592 pl
->pl_user_prop
, rbuf
, sizeof (rbuf
),
1593 cbp
->cb_literal
) == 0))
1596 zprop_print_one_property(zfs_get_name(zhp
), cbp
,
1597 pl
->pl_user_prop
, strval
, sourcetype
,
1606 zfs_do_get(int argc
, char **argv
)
1608 zprop_get_cbdata_t cb
= { 0 };
1609 int i
, c
, flags
= ZFS_ITER_ARGS_CAN_BE_PATHS
;
1610 int types
= ZFS_TYPE_DATASET
;
1611 char *value
, *fields
;
1614 zprop_list_t fake_name
= { 0 };
1617 * Set up default columns and sources.
1619 cb
.cb_sources
= ZPROP_SRC_ALL
;
1620 cb
.cb_columns
[0] = GET_COL_NAME
;
1621 cb
.cb_columns
[1] = GET_COL_PROPERTY
;
1622 cb
.cb_columns
[2] = GET_COL_VALUE
;
1623 cb
.cb_columns
[3] = GET_COL_SOURCE
;
1624 cb
.cb_type
= ZFS_TYPE_DATASET
;
1627 while ((c
= getopt(argc
, argv
, ":d:o:s:rt:Hp")) != -1) {
1630 cb
.cb_literal
= B_TRUE
;
1633 limit
= parse_depth(optarg
, &flags
);
1636 flags
|= ZFS_ITER_RECURSE
;
1639 cb
.cb_scripted
= B_TRUE
;
1642 (void) fprintf(stderr
, gettext("missing argument for "
1643 "'%c' option\n"), optopt
);
1648 * Process the set of columns to display. We zero out
1649 * the structure to give us a blank slate.
1651 bzero(&cb
.cb_columns
, sizeof (cb
.cb_columns
));
1653 while (*optarg
!= '\0') {
1654 static char *col_subopts
[] =
1655 { "name", "property", "value", "received",
1656 "source", "all", NULL
};
1658 if (i
== ZFS_GET_NCOLS
) {
1659 (void) fprintf(stderr
, gettext("too "
1660 "many fields given to -o "
1665 switch (getsubopt(&optarg
, col_subopts
,
1668 cb
.cb_columns
[i
++] = GET_COL_NAME
;
1671 cb
.cb_columns
[i
++] = GET_COL_PROPERTY
;
1674 cb
.cb_columns
[i
++] = GET_COL_VALUE
;
1677 cb
.cb_columns
[i
++] = GET_COL_RECVD
;
1678 flags
|= ZFS_ITER_RECVD_PROPS
;
1681 cb
.cb_columns
[i
++] = GET_COL_SOURCE
;
1685 (void) fprintf(stderr
,
1686 gettext("\"all\" conflicts "
1687 "with specific fields "
1688 "given to -o option\n"));
1691 cb
.cb_columns
[0] = GET_COL_NAME
;
1692 cb
.cb_columns
[1] = GET_COL_PROPERTY
;
1693 cb
.cb_columns
[2] = GET_COL_VALUE
;
1694 cb
.cb_columns
[3] = GET_COL_RECVD
;
1695 cb
.cb_columns
[4] = GET_COL_SOURCE
;
1696 flags
|= ZFS_ITER_RECVD_PROPS
;
1700 (void) fprintf(stderr
,
1701 gettext("invalid column name "
1710 while (*optarg
!= '\0') {
1711 static char *source_subopts
[] = {
1712 "local", "default", "inherited",
1713 "received", "temporary", "none",
1716 switch (getsubopt(&optarg
, source_subopts
,
1719 cb
.cb_sources
|= ZPROP_SRC_LOCAL
;
1722 cb
.cb_sources
|= ZPROP_SRC_DEFAULT
;
1725 cb
.cb_sources
|= ZPROP_SRC_INHERITED
;
1728 cb
.cb_sources
|= ZPROP_SRC_RECEIVED
;
1731 cb
.cb_sources
|= ZPROP_SRC_TEMPORARY
;
1734 cb
.cb_sources
|= ZPROP_SRC_NONE
;
1737 (void) fprintf(stderr
,
1738 gettext("invalid source "
1747 flags
&= ~ZFS_ITER_PROP_LISTSNAPS
;
1748 while (*optarg
!= '\0') {
1749 static char *type_subopts
[] = { "filesystem",
1750 "volume", "snapshot", "bookmark",
1753 switch (getsubopt(&optarg
, type_subopts
,
1756 types
|= ZFS_TYPE_FILESYSTEM
;
1759 types
|= ZFS_TYPE_VOLUME
;
1762 types
|= ZFS_TYPE_SNAPSHOT
;
1765 types
|= ZFS_TYPE_BOOKMARK
;
1768 types
= ZFS_TYPE_DATASET
|
1773 (void) fprintf(stderr
,
1774 gettext("invalid type '%s'\n"),
1782 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
1792 (void) fprintf(stderr
, gettext("missing property "
1799 if (zprop_get_list(g_zfs
, fields
, &cb
.cb_proplist
, ZFS_TYPE_DATASET
)
1807 * As part of zfs_expand_proplist(), we keep track of the maximum column
1808 * width for each property. For the 'NAME' (and 'SOURCE') columns, we
1809 * need to know the maximum name length. However, the user likely did
1810 * not specify 'name' as one of the properties to fetch, so we need to
1811 * make sure we always include at least this property for
1812 * print_get_headers() to work properly.
1814 if (cb
.cb_proplist
!= NULL
) {
1815 fake_name
.pl_prop
= ZFS_PROP_NAME
;
1816 fake_name
.pl_width
= strlen(gettext("NAME"));
1817 fake_name
.pl_next
= cb
.cb_proplist
;
1818 cb
.cb_proplist
= &fake_name
;
1821 cb
.cb_first
= B_TRUE
;
1823 /* run for each object */
1824 ret
= zfs_for_each(argc
, argv
, flags
, types
, NULL
,
1825 &cb
.cb_proplist
, limit
, get_callback
, &cb
);
1827 if (cb
.cb_proplist
== &fake_name
)
1828 zprop_free_list(fake_name
.pl_next
);
1830 zprop_free_list(cb
.cb_proplist
);
1836 * inherit [-rS] <property> <fs|vol> ...
1838 * -r Recurse over all children
1839 * -S Revert to received value, if any
1841 * For each dataset specified on the command line, inherit the given property
1842 * from its parent. Inheriting a property at the pool level will cause it to
1843 * use the default value. The '-r' flag will recurse over all children, and is
1844 * useful for setting a property on a hierarchy-wide basis, regardless of any
1845 * local modifications for each dataset.
1848 typedef struct inherit_cbdata
{
1849 const char *cb_propname
;
1850 boolean_t cb_received
;
1854 inherit_recurse_cb(zfs_handle_t
*zhp
, void *data
)
1856 inherit_cbdata_t
*cb
= data
;
1857 zfs_prop_t prop
= zfs_name_to_prop(cb
->cb_propname
);
1860 * If we're doing it recursively, then ignore properties that
1861 * are not valid for this type of dataset.
1863 if (prop
!= ZPROP_INVAL
&&
1864 !zfs_prop_valid_for_type(prop
, zfs_get_type(zhp
), B_FALSE
))
1867 return (zfs_prop_inherit(zhp
, cb
->cb_propname
, cb
->cb_received
) != 0);
1871 inherit_cb(zfs_handle_t
*zhp
, void *data
)
1873 inherit_cbdata_t
*cb
= data
;
1875 return (zfs_prop_inherit(zhp
, cb
->cb_propname
, cb
->cb_received
) != 0);
1879 zfs_do_inherit(int argc
, char **argv
)
1883 inherit_cbdata_t cb
= { 0 };
1887 boolean_t received
= B_FALSE
;
1890 while ((c
= getopt(argc
, argv
, "rS")) != -1) {
1893 flags
|= ZFS_ITER_RECURSE
;
1900 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
1909 /* check number of arguments */
1911 (void) fprintf(stderr
, gettext("missing property argument\n"));
1915 (void) fprintf(stderr
, gettext("missing dataset argument\n"));
1923 if ((prop
= zfs_name_to_prop(propname
)) != ZPROP_INVAL
) {
1924 if (zfs_prop_readonly(prop
)) {
1925 (void) fprintf(stderr
, gettext(
1926 "%s property is read-only\n"),
1930 if (!zfs_prop_inheritable(prop
) && !received
) {
1931 (void) fprintf(stderr
, gettext("'%s' property cannot "
1932 "be inherited\n"), propname
);
1933 if (prop
== ZFS_PROP_QUOTA
||
1934 prop
== ZFS_PROP_RESERVATION
||
1935 prop
== ZFS_PROP_REFQUOTA
||
1936 prop
== ZFS_PROP_REFRESERVATION
) {
1937 (void) fprintf(stderr
, gettext("use 'zfs set "
1938 "%s=none' to clear\n"), propname
);
1939 (void) fprintf(stderr
, gettext("use 'zfs "
1940 "inherit -S %s' to revert to received "
1941 "value\n"), propname
);
1945 if (received
&& (prop
== ZFS_PROP_VOLSIZE
||
1946 prop
== ZFS_PROP_VERSION
)) {
1947 (void) fprintf(stderr
, gettext("'%s' property cannot "
1948 "be reverted to a received value\n"), propname
);
1951 } else if (!zfs_prop_user(propname
)) {
1952 (void) fprintf(stderr
, gettext("invalid property '%s'\n"),
1957 cb
.cb_propname
= propname
;
1958 cb
.cb_received
= received
;
1960 if (flags
& ZFS_ITER_RECURSE
) {
1961 ret
= zfs_for_each(argc
, argv
, flags
, ZFS_TYPE_DATASET
,
1962 NULL
, NULL
, 0, inherit_recurse_cb
, &cb
);
1964 ret
= zfs_for_each(argc
, argv
, flags
, ZFS_TYPE_DATASET
,
1965 NULL
, NULL
, 0, inherit_cb
, &cb
);
1971 typedef struct upgrade_cbdata
{
1972 uint64_t cb_numupgraded
;
1973 uint64_t cb_numsamegraded
;
1974 uint64_t cb_numfailed
;
1975 uint64_t cb_version
;
1977 boolean_t cb_foundone
;
1978 char cb_lastfs
[ZFS_MAX_DATASET_NAME_LEN
];
1982 same_pool(zfs_handle_t
*zhp
, const char *name
)
1984 int len1
= strcspn(name
, "/@");
1985 const char *zhname
= zfs_get_name(zhp
);
1986 int len2
= strcspn(zhname
, "/@");
1990 return (strncmp(name
, zhname
, len1
) == 0);
1994 upgrade_list_callback(zfs_handle_t
*zhp
, void *data
)
1996 upgrade_cbdata_t
*cb
= data
;
1997 int version
= zfs_prop_get_int(zhp
, ZFS_PROP_VERSION
);
1999 /* list if it's old/new */
2000 if ((!cb
->cb_newer
&& version
< ZPL_VERSION
) ||
2001 (cb
->cb_newer
&& version
> ZPL_VERSION
)) {
2004 str
= gettext("The following filesystems are "
2005 "formatted using a newer software version and\n"
2006 "cannot be accessed on the current system.\n\n");
2008 str
= gettext("The following filesystems are "
2009 "out of date, and can be upgraded. After being\n"
2010 "upgraded, these filesystems (and any 'zfs send' "
2011 "streams generated from\n"
2012 "subsequent snapshots) will no longer be "
2013 "accessible by older software versions.\n\n");
2016 if (!cb
->cb_foundone
) {
2018 (void) printf(gettext("VER FILESYSTEM\n"));
2019 (void) printf(gettext("--- ------------\n"));
2020 cb
->cb_foundone
= B_TRUE
;
2023 (void) printf("%2u %s\n", version
, zfs_get_name(zhp
));
2030 upgrade_set_callback(zfs_handle_t
*zhp
, void *data
)
2032 upgrade_cbdata_t
*cb
= data
;
2033 int version
= zfs_prop_get_int(zhp
, ZFS_PROP_VERSION
);
2034 int needed_spa_version
;
2037 if (zfs_spa_version(zhp
, &spa_version
) < 0)
2040 needed_spa_version
= zfs_spa_version_map(cb
->cb_version
);
2042 if (needed_spa_version
< 0)
2045 if (spa_version
< needed_spa_version
) {
2047 (void) printf(gettext("%s: can not be "
2048 "upgraded; the pool version needs to first "
2049 "be upgraded\nto version %d\n\n"),
2050 zfs_get_name(zhp
), needed_spa_version
);
2056 if (version
< cb
->cb_version
) {
2058 (void) snprintf(verstr
, sizeof (verstr
),
2059 "%llu", (u_longlong_t
)cb
->cb_version
);
2060 if (cb
->cb_lastfs
[0] && !same_pool(zhp
, cb
->cb_lastfs
)) {
2062 * If they did "zfs upgrade -a", then we could
2063 * be doing ioctls to different pools. We need
2064 * to log this history once to each pool, and bypass
2065 * the normal history logging that happens in main().
2067 (void) zpool_log_history(g_zfs
, history_str
);
2068 log_history
= B_FALSE
;
2070 if (zfs_prop_set(zhp
, "version", verstr
) == 0)
2071 cb
->cb_numupgraded
++;
2074 (void) strcpy(cb
->cb_lastfs
, zfs_get_name(zhp
));
2075 } else if (version
> cb
->cb_version
) {
2076 /* can't downgrade */
2077 (void) printf(gettext("%s: can not be downgraded; "
2078 "it is already at version %u\n"),
2079 zfs_get_name(zhp
), version
);
2082 cb
->cb_numsamegraded
++;
2090 * zfs upgrade [-r] [-V <version>] <-a | filesystem>
2093 zfs_do_upgrade(int argc
, char **argv
)
2095 boolean_t all
= B_FALSE
;
2096 boolean_t showversions
= B_FALSE
;
2098 upgrade_cbdata_t cb
= { 0 };
2100 int flags
= ZFS_ITER_ARGS_CAN_BE_PATHS
;
2103 while ((c
= getopt(argc
, argv
, "rvV:a")) != -1) {
2106 flags
|= ZFS_ITER_RECURSE
;
2109 showversions
= B_TRUE
;
2112 if (zfs_prop_string_to_index(ZFS_PROP_VERSION
,
2113 optarg
, &cb
.cb_version
) != 0) {
2114 (void) fprintf(stderr
,
2115 gettext("invalid version %s\n"), optarg
);
2124 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
2133 if ((!all
&& !argc
) && ((flags
& ZFS_ITER_RECURSE
) | cb
.cb_version
))
2135 if (showversions
&& (flags
& ZFS_ITER_RECURSE
|| all
||
2136 cb
.cb_version
|| argc
))
2138 if ((all
|| argc
) && (showversions
))
2144 /* Show info on available versions. */
2145 (void) printf(gettext("The following filesystem versions are "
2147 (void) printf(gettext("VER DESCRIPTION\n"));
2148 (void) printf("--- -----------------------------------------"
2149 "---------------\n");
2150 (void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
2151 (void) printf(gettext(" 2 Enhanced directory entries\n"));
2152 (void) printf(gettext(" 3 Case insensitive and filesystem "
2153 "user identifier (FUID)\n"));
2154 (void) printf(gettext(" 4 userquota, groupquota "
2156 (void) printf(gettext(" 5 System attributes\n"));
2157 (void) printf(gettext("\nFor more information on a particular "
2158 "version, including supported releases,\n"));
2159 (void) printf("see the ZFS Administration Guide.\n\n");
2161 } else if (argc
|| all
) {
2162 /* Upgrade filesystems */
2163 if (cb
.cb_version
== 0)
2164 cb
.cb_version
= ZPL_VERSION
;
2165 ret
= zfs_for_each(argc
, argv
, flags
, ZFS_TYPE_FILESYSTEM
,
2166 NULL
, NULL
, 0, upgrade_set_callback
, &cb
);
2167 (void) printf(gettext("%llu filesystems upgraded\n"),
2168 (u_longlong_t
)cb
.cb_numupgraded
);
2169 if (cb
.cb_numsamegraded
) {
2170 (void) printf(gettext("%llu filesystems already at "
2172 (u_longlong_t
)cb
.cb_numsamegraded
);
2174 if (cb
.cb_numfailed
!= 0)
2177 /* List old-version filesytems */
2179 (void) printf(gettext("This system is currently running "
2180 "ZFS filesystem version %llu.\n\n"), ZPL_VERSION
);
2182 flags
|= ZFS_ITER_RECURSE
;
2183 ret
= zfs_for_each(0, NULL
, flags
, ZFS_TYPE_FILESYSTEM
,
2184 NULL
, NULL
, 0, upgrade_list_callback
, &cb
);
2186 found
= cb
.cb_foundone
;
2187 cb
.cb_foundone
= B_FALSE
;
2188 cb
.cb_newer
= B_TRUE
;
2190 ret
= zfs_for_each(0, NULL
, flags
, ZFS_TYPE_FILESYSTEM
,
2191 NULL
, NULL
, 0, upgrade_list_callback
, &cb
);
2193 if (!cb
.cb_foundone
&& !found
) {
2194 (void) printf(gettext("All filesystems are "
2195 "formatted with the current version.\n"));
2203 * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2204 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
2205 * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
2206 * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
2208 * -H Scripted mode; elide headers and separate columns by tabs.
2209 * -i Translate SID to POSIX ID.
2210 * -n Print numeric ID instead of user/group name.
2211 * -o Control which fields to display.
2212 * -p Use exact (parsable) numeric output.
2213 * -s Specify sort columns, descending order.
2214 * -S Specify sort columns, ascending order.
2215 * -t Control which object types to display.
2217 * Displays space consumed by, and quotas on, each user in the specified
2218 * filesystem or snapshot.
2221 /* us_field_types, us_field_hdr and us_field_names should be kept in sync */
2222 enum us_field_types
{
2230 static char *us_field_hdr
[] = { "TYPE", "NAME", "USED", "QUOTA",
2231 "OBJUSED", "OBJQUOTA" };
2232 static char *us_field_names
[] = { "type", "name", "used", "quota",
2233 "objused", "objquota" };
2234 #define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
2236 #define USTYPE_PSX_GRP (1 << 0)
2237 #define USTYPE_PSX_USR (1 << 1)
2238 #define USTYPE_SMB_GRP (1 << 2)
2239 #define USTYPE_SMB_USR (1 << 3)
2240 #define USTYPE_ALL \
2241 (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR)
2243 static int us_type_bits
[] = {
2250 static char *us_type_names
[] = { "posixgroup", "posixuser", "smbgroup",
2253 typedef struct us_node
{
2255 uu_avl_node_t usn_avlnode
;
2256 uu_list_node_t usn_listnode
;
2259 typedef struct us_cbdata
{
2261 uu_avl_pool_t
*cb_avl_pool
;
2263 boolean_t cb_numname
;
2264 boolean_t cb_nicenum
;
2265 boolean_t cb_sid2posix
;
2266 zfs_userquota_prop_t cb_prop
;
2267 zfs_sort_column_t
*cb_sortcol
;
2268 size_t cb_width
[USFIELD_LAST
];
2271 static boolean_t us_populated
= B_FALSE
;
2274 zfs_sort_column_t
*si_sortcol
;
2275 boolean_t si_numname
;
2279 us_field_index(char *field
)
2283 for (i
= 0; i
< USFIELD_LAST
; i
++) {
2284 if (strcmp(field
, us_field_names
[i
]) == 0)
2292 us_compare(const void *larg
, const void *rarg
, void *unused
)
2294 const us_node_t
*l
= larg
;
2295 const us_node_t
*r
= rarg
;
2296 us_sort_info_t
*si
= (us_sort_info_t
*)unused
;
2297 zfs_sort_column_t
*sortcol
= si
->si_sortcol
;
2298 boolean_t numname
= si
->si_numname
;
2299 nvlist_t
*lnvl
= l
->usn_nvl
;
2300 nvlist_t
*rnvl
= r
->usn_nvl
;
2304 for (; sortcol
!= NULL
; sortcol
= sortcol
->sc_next
) {
2311 zfs_prop_t prop
= sortcol
->sc_prop
;
2312 const char *propname
= NULL
;
2313 boolean_t reverse
= sortcol
->sc_reverse
;
2318 (void) nvlist_lookup_uint32(lnvl
, propname
, &lv32
);
2319 (void) nvlist_lookup_uint32(rnvl
, propname
, &rv32
);
2321 rc
= (rv32
< lv32
) ? 1 : -1;
2327 (void) nvlist_lookup_uint64(lnvl
, propname
,
2329 (void) nvlist_lookup_uint64(rnvl
, propname
,
2332 rc
= (rv64
< lv64
) ? 1 : -1;
2334 if ((nvlist_lookup_string(lnvl
, propname
,
2335 &lvstr
) == ENOENT
) ||
2336 (nvlist_lookup_string(rnvl
, propname
,
2337 &rvstr
) == ENOENT
)) {
2340 rc
= strcmp(lvstr
, rvstr
);
2344 case ZFS_PROP_QUOTA
:
2347 if (prop
== ZFS_PROP_USED
)
2351 (void) nvlist_lookup_uint64(lnvl
, propname
, &lv64
);
2352 (void) nvlist_lookup_uint64(rnvl
, propname
, &rv64
);
2354 rc
= (rv64
< lv64
) ? 1 : -1;
2362 return (reverse
? 1 : -1);
2364 return (reverse
? -1 : 1);
2369 * If entries still seem to be the same, check if they are of the same
2370 * type (smbentity is added only if we are doing SID to POSIX ID
2371 * translation where we can have duplicate type/name combinations).
2373 if (nvlist_lookup_boolean_value(lnvl
, "smbentity", &lvb
) == 0 &&
2374 nvlist_lookup_boolean_value(rnvl
, "smbentity", &rvb
) == 0 &&
2376 return (lvb
< rvb
? -1 : 1);
2382 zfs_prop_is_user(unsigned p
)
2384 return (p
== ZFS_PROP_USERUSED
|| p
== ZFS_PROP_USERQUOTA
||
2385 p
== ZFS_PROP_USEROBJUSED
|| p
== ZFS_PROP_USEROBJQUOTA
);
2389 zfs_prop_is_group(unsigned p
)
2391 return (p
== ZFS_PROP_GROUPUSED
|| p
== ZFS_PROP_GROUPQUOTA
||
2392 p
== ZFS_PROP_GROUPOBJUSED
|| p
== ZFS_PROP_GROUPOBJQUOTA
);
2395 static inline const char *
2396 us_type2str(unsigned field_type
)
2398 switch (field_type
) {
2399 case USTYPE_PSX_USR
:
2400 return ("POSIX User");
2401 case USTYPE_PSX_GRP
:
2402 return ("POSIX Group");
2403 case USTYPE_SMB_USR
:
2404 return ("SMB User");
2405 case USTYPE_SMB_GRP
:
2406 return ("SMB Group");
2408 return ("Undefined");
2413 userspace_cb(void *arg
, const char *domain
, uid_t rid
, uint64_t space
)
2415 us_cbdata_t
*cb
= (us_cbdata_t
*)arg
;
2416 zfs_userquota_prop_t prop
= cb
->cb_prop
;
2421 uu_avl_pool_t
*avl_pool
= cb
->cb_avl_pool
;
2422 uu_avl_t
*avl
= cb
->cb_avl
;
2426 zfs_sort_column_t
*sortcol
= cb
->cb_sortcol
;
2428 const char *typestr
;
2432 int typeidx
, nameidx
, sizeidx
;
2433 us_sort_info_t sortinfo
= { sortcol
, cb
->cb_numname
};
2434 boolean_t smbentity
= B_FALSE
;
2436 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
2438 node
= safe_malloc(sizeof (us_node_t
));
2439 uu_avl_node_init(node
, &node
->usn_avlnode
, avl_pool
);
2440 node
->usn_nvl
= props
;
2442 if (domain
!= NULL
&& domain
[0] != '\0') {
2445 char sid
[MAXNAMELEN
+ 32];
2449 directory_error_t e
;
2453 (void) snprintf(sid
, sizeof (sid
), "%s-%u", domain
, rid
);
2455 if (prop
== ZFS_PROP_GROUPUSED
|| prop
== ZFS_PROP_GROUPQUOTA
) {
2456 type
= USTYPE_SMB_GRP
;
2457 err
= sid_to_id(sid
, B_FALSE
, &id
);
2459 type
= USTYPE_SMB_USR
;
2460 err
= sid_to_id(sid
, B_TRUE
, &id
);
2465 if (!cb
->cb_sid2posix
) {
2466 e
= directory_name_from_sid(NULL
, sid
, &name
,
2469 directory_error_free(e
);
2479 #endif /* HAVE_IDMAP */
2482 if (cb
->cb_sid2posix
|| domain
== NULL
|| domain
[0] == '\0') {
2484 if (zfs_prop_is_group(prop
)) {
2485 type
= USTYPE_PSX_GRP
;
2486 if (!cb
->cb_numname
) {
2489 if ((g
= getgrgid(rid
)) != NULL
)
2493 type
= USTYPE_PSX_USR
;
2494 if (!cb
->cb_numname
) {
2497 if ((p
= getpwuid(rid
)) != NULL
)
2504 * Make sure that the type/name combination is unique when doing
2505 * SID to POSIX ID translation (hence changing the type from SMB to
2508 if (cb
->cb_sid2posix
&&
2509 nvlist_add_boolean_value(props
, "smbentity", smbentity
) != 0)
2512 /* Calculate/update width of TYPE field */
2513 typestr
= us_type2str(type
);
2514 typelen
= strlen(gettext(typestr
));
2515 typeidx
= us_field_index("type");
2516 if (typelen
> cb
->cb_width
[typeidx
])
2517 cb
->cb_width
[typeidx
] = typelen
;
2518 if (nvlist_add_uint32(props
, "type", type
) != 0)
2521 /* Calculate/update width of NAME field */
2522 if ((cb
->cb_numname
&& cb
->cb_sid2posix
) || name
== NULL
) {
2523 if (nvlist_add_uint64(props
, "name", rid
) != 0)
2525 namelen
= snprintf(NULL
, 0, "%u", rid
);
2527 if (nvlist_add_string(props
, "name", name
) != 0)
2529 namelen
= strlen(name
);
2531 nameidx
= us_field_index("name");
2532 if (nameidx
>= 0 && namelen
> cb
->cb_width
[nameidx
])
2533 cb
->cb_width
[nameidx
] = namelen
;
2536 * Check if this type/name combination is in the list and update it;
2537 * otherwise add new node to the list.
2539 if ((n
= uu_avl_find(avl
, node
, &sortinfo
, &idx
)) == NULL
) {
2540 uu_avl_insert(avl
, node
, idx
);
2545 props
= node
->usn_nvl
;
2548 /* Calculate/update width of USED/QUOTA fields */
2550 zfs_nicenum(space
, sizebuf
, sizeof (sizebuf
));
2552 (void) snprintf(sizebuf
, sizeof (sizebuf
), "%llu",
2553 (u_longlong_t
)space
);
2554 sizelen
= strlen(sizebuf
);
2555 if (prop
== ZFS_PROP_USERUSED
|| prop
== ZFS_PROP_GROUPUSED
) {
2557 if (!nvlist_exists(props
, "quota"))
2558 (void) nvlist_add_uint64(props
, "quota", 0);
2559 } else if (prop
== ZFS_PROP_USERQUOTA
|| prop
== ZFS_PROP_GROUPQUOTA
) {
2561 if (!nvlist_exists(props
, "used"))
2562 (void) nvlist_add_uint64(props
, "used", 0);
2563 } else if (prop
== ZFS_PROP_USEROBJUSED
||
2564 prop
== ZFS_PROP_GROUPOBJUSED
) {
2565 propname
= "objused";
2566 if (!nvlist_exists(props
, "objquota"))
2567 (void) nvlist_add_uint64(props
, "objquota", 0);
2568 } else if (prop
== ZFS_PROP_USEROBJQUOTA
||
2569 prop
== ZFS_PROP_GROUPOBJQUOTA
) {
2570 propname
= "objquota";
2571 if (!nvlist_exists(props
, "objused"))
2572 (void) nvlist_add_uint64(props
, "objused", 0);
2576 sizeidx
= us_field_index(propname
);
2577 if (sizeidx
>= 0 && sizelen
> cb
->cb_width
[sizeidx
])
2578 cb
->cb_width
[sizeidx
] = sizelen
;
2580 if (nvlist_add_uint64(props
, propname
, space
) != 0)
2587 print_us_node(boolean_t scripted
, boolean_t parsable
, int *fields
, int types
,
2588 size_t *width
, us_node_t
*node
)
2590 nvlist_t
*nvl
= node
->usn_nvl
;
2591 char valstr
[MAXNAMELEN
];
2592 boolean_t first
= B_TRUE
;
2598 (void) nvlist_lookup_uint32(nvl
, "type", &ustype
);
2599 if (!(ustype
& types
))
2602 while ((field
= fields
[cfield
]) != USFIELD_LAST
) {
2603 nvpair_t
*nvp
= NULL
;
2609 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
2610 if (strcmp(nvpair_name(nvp
),
2611 us_field_names
[field
]) == 0)
2615 type
= nvp
== NULL
? DATA_TYPE_UNKNOWN
: nvpair_type(nvp
);
2617 case DATA_TYPE_UINT32
:
2618 (void) nvpair_value_uint32(nvp
, &val32
);
2620 case DATA_TYPE_UINT64
:
2621 (void) nvpair_value_uint64(nvp
, &val64
);
2623 case DATA_TYPE_STRING
:
2624 (void) nvpair_value_string(nvp
, &strval
);
2626 case DATA_TYPE_UNKNOWN
:
2629 (void) fprintf(stderr
, "invalid data type\n");
2634 if (type
== DATA_TYPE_UINT32
)
2635 strval
= (char *)us_type2str(val32
);
2638 if (type
== DATA_TYPE_UINT64
) {
2639 (void) sprintf(valstr
, "%llu",
2640 (u_longlong_t
)val64
);
2646 case USFIELD_OBJUSED
:
2647 case USFIELD_OBJQUOTA
:
2648 if (type
== DATA_TYPE_UINT64
) {
2650 (void) sprintf(valstr
, "%llu",
2651 (u_longlong_t
)val64
);
2653 zfs_nicenum(val64
, valstr
,
2656 if ((field
== USFIELD_QUOTA
||
2657 field
== USFIELD_OBJQUOTA
) &&
2658 strcmp(valstr
, "0") == 0)
2668 (void) printf("\t");
2673 (void) printf("%s", strval
);
2674 else if (field
== USFIELD_TYPE
|| field
== USFIELD_NAME
)
2675 (void) printf("%-*s", (int)width
[field
], strval
);
2677 (void) printf("%*s", (int)width
[field
], strval
);
2683 (void) printf("\n");
2687 print_us(boolean_t scripted
, boolean_t parsable
, int *fields
, int types
,
2688 size_t *width
, boolean_t rmnode
, uu_avl_t
*avl
)
2696 boolean_t first
= B_TRUE
;
2698 while ((field
= fields
[cfield
]) != USFIELD_LAST
) {
2699 col
= gettext(us_field_hdr
[field
]);
2700 if (field
== USFIELD_TYPE
|| field
== USFIELD_NAME
) {
2701 (void) printf(first
? "%-*s" : " %-*s",
2702 (int)width
[field
], col
);
2704 (void) printf(first
? "%*s" : " %*s",
2705 (int)width
[field
], col
);
2710 (void) printf("\n");
2713 for (node
= uu_avl_first(avl
); node
; node
= uu_avl_next(avl
, node
)) {
2714 print_us_node(scripted
, parsable
, fields
, types
, width
, node
);
2716 nvlist_free(node
->usn_nvl
);
2721 zfs_do_userspace(int argc
, char **argv
)
2724 zfs_userquota_prop_t p
;
2725 uu_avl_pool_t
*avl_pool
;
2727 uu_avl_walk_t
*walk
;
2729 char deffields
[] = "type,name,used,quota,objused,objquota";
2730 char *ofield
= NULL
;
2731 char *tfield
= NULL
;
2735 boolean_t scripted
= B_FALSE
;
2736 boolean_t prtnum
= B_FALSE
;
2737 boolean_t parsable
= B_FALSE
;
2738 boolean_t sid2posix
= B_FALSE
;
2741 zfs_sort_column_t
*sortcol
= NULL
;
2742 int types
= USTYPE_PSX_USR
| USTYPE_SMB_USR
;
2746 uu_list_pool_t
*listpool
;
2748 uu_avl_index_t idx
= 0;
2749 uu_list_index_t idx2
= 0;
2754 if (strcmp(argv
[0], "groupspace") == 0)
2755 /* Toggle default group types */
2756 types
= USTYPE_PSX_GRP
| USTYPE_SMB_GRP
;
2758 while ((c
= getopt(argc
, argv
, "nHpo:s:S:t:i")) != -1) {
2774 if (zfs_add_sort_column(&sortcol
, optarg
,
2775 c
== 's' ? B_FALSE
: B_TRUE
) != 0) {
2776 (void) fprintf(stderr
,
2777 gettext("invalid field '%s'\n"), optarg
);
2788 (void) fprintf(stderr
, gettext("missing argument for "
2789 "'%c' option\n"), optopt
);
2793 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
2803 (void) fprintf(stderr
, gettext("missing dataset name\n"));
2807 (void) fprintf(stderr
, gettext("too many arguments\n"));
2811 /* Use default output fields if not specified using -o */
2815 if ((delim
= strchr(ofield
, ',')) != NULL
)
2817 if ((fields
[cfield
++] = us_field_index(ofield
)) == -1) {
2818 (void) fprintf(stderr
, gettext("invalid type '%s' "
2819 "for -o option\n"), ofield
);
2824 } while (delim
!= NULL
);
2825 fields
[cfield
] = USFIELD_LAST
;
2827 /* Override output types (-t option) */
2828 if (tfield
!= NULL
) {
2832 boolean_t found
= B_FALSE
;
2834 if ((delim
= strchr(tfield
, ',')) != NULL
)
2836 for (i
= 0; i
< sizeof (us_type_bits
) / sizeof (int);
2838 if (strcmp(tfield
, us_type_names
[i
]) == 0) {
2840 types
|= us_type_bits
[i
];
2845 (void) fprintf(stderr
, gettext("invalid type "
2846 "'%s' for -t option\n"), tfield
);
2851 } while (delim
!= NULL
);
2854 if ((zhp
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_DATASET
)) == NULL
)
2857 if ((avl_pool
= uu_avl_pool_create("us_avl_pool", sizeof (us_node_t
),
2858 offsetof(us_node_t
, usn_avlnode
), us_compare
, UU_DEFAULT
)) == NULL
)
2860 if ((avl_tree
= uu_avl_create(avl_pool
, NULL
, UU_DEFAULT
)) == NULL
)
2863 /* Always add default sorting columns */
2864 (void) zfs_add_sort_column(&sortcol
, "type", B_FALSE
);
2865 (void) zfs_add_sort_column(&sortcol
, "name", B_FALSE
);
2867 cb
.cb_sortcol
= sortcol
;
2868 cb
.cb_numname
= prtnum
;
2869 cb
.cb_nicenum
= !parsable
;
2870 cb
.cb_avl_pool
= avl_pool
;
2871 cb
.cb_avl
= avl_tree
;
2872 cb
.cb_sid2posix
= sid2posix
;
2874 for (i
= 0; i
< USFIELD_LAST
; i
++)
2875 cb
.cb_width
[i
] = strlen(gettext(us_field_hdr
[i
]));
2877 for (p
= 0; p
< ZFS_NUM_USERQUOTA_PROPS
; p
++) {
2878 if ((zfs_prop_is_user(p
) &&
2879 !(types
& (USTYPE_PSX_USR
| USTYPE_SMB_USR
))) ||
2880 (zfs_prop_is_group(p
) &&
2881 !(types
& (USTYPE_PSX_GRP
| USTYPE_SMB_GRP
))))
2885 if ((ret
= zfs_userspace(zhp
, p
, userspace_cb
, &cb
)) != 0)
2890 if ((node
= uu_avl_first(avl_tree
)) == NULL
)
2893 us_populated
= B_TRUE
;
2895 listpool
= uu_list_pool_create("tmplist", sizeof (us_node_t
),
2896 offsetof(us_node_t
, usn_listnode
), NULL
, UU_DEFAULT
);
2897 list
= uu_list_create(listpool
, NULL
, UU_DEFAULT
);
2898 uu_list_node_init(node
, &node
->usn_listnode
, listpool
);
2900 while (node
!= NULL
) {
2902 node
= uu_avl_next(avl_tree
, node
);
2903 uu_avl_remove(avl_tree
, rmnode
);
2904 if (uu_list_find(list
, rmnode
, NULL
, &idx2
) == NULL
)
2905 uu_list_insert(list
, rmnode
, idx2
);
2908 for (node
= uu_list_first(list
); node
!= NULL
;
2909 node
= uu_list_next(list
, node
)) {
2910 us_sort_info_t sortinfo
= { sortcol
, cb
.cb_numname
};
2912 if (uu_avl_find(avl_tree
, node
, &sortinfo
, &idx
) == NULL
)
2913 uu_avl_insert(avl_tree
, node
, idx
);
2916 uu_list_destroy(list
);
2917 uu_list_pool_destroy(listpool
);
2919 /* Print and free node nvlist memory */
2920 print_us(scripted
, parsable
, fields
, types
, cb
.cb_width
, B_TRUE
,
2923 zfs_free_sort_columns(sortcol
);
2925 /* Clean up the AVL tree */
2926 if ((walk
= uu_avl_walk_start(cb
.cb_avl
, UU_WALK_ROBUST
)) == NULL
)
2929 while ((node
= uu_avl_walk_next(walk
)) != NULL
) {
2930 uu_avl_remove(cb
.cb_avl
, node
);
2934 uu_avl_walk_end(walk
);
2935 uu_avl_destroy(avl_tree
);
2936 uu_avl_pool_destroy(avl_pool
);
2942 * list [-Hp][-r|-d max] [-o property[,...]] [-s property] ... [-S property]
2943 * [-t type[,...]] [filesystem|volume|snapshot] ...
2945 * -H Scripted mode; elide headers and separate columns by tabs
2946 * -p Display values in parsable (literal) format.
2947 * -r Recurse over all children
2948 * -d Limit recursion by depth.
2949 * -o Control which fields to display.
2950 * -s Specify sort columns, descending order.
2951 * -S Specify sort columns, ascending order.
2952 * -t Control which object types to display.
2954 * When given no arguments, list all filesystems in the system.
2955 * Otherwise, list the specified datasets, optionally recursing down them if
2956 * '-r' is specified.
2958 typedef struct list_cbdata
{
2960 boolean_t cb_literal
;
2961 boolean_t cb_scripted
;
2962 zprop_list_t
*cb_proplist
;
2966 * Given a list of columns to display, output appropriate headers for each one.
2969 print_header(list_cbdata_t
*cb
)
2971 zprop_list_t
*pl
= cb
->cb_proplist
;
2972 char headerbuf
[ZFS_MAXPROPLEN
];
2975 boolean_t first
= B_TRUE
;
2976 boolean_t right_justify
;
2978 for (; pl
!= NULL
; pl
= pl
->pl_next
) {
2985 right_justify
= B_FALSE
;
2986 if (pl
->pl_prop
!= ZPROP_INVAL
) {
2987 header
= zfs_prop_column_name(pl
->pl_prop
);
2988 right_justify
= zfs_prop_align_right(pl
->pl_prop
);
2990 for (i
= 0; pl
->pl_user_prop
[i
] != '\0'; i
++)
2991 headerbuf
[i
] = toupper(pl
->pl_user_prop
[i
]);
2992 headerbuf
[i
] = '\0';
2996 if (pl
->pl_next
== NULL
&& !right_justify
)
2997 (void) printf("%s", header
);
2998 else if (right_justify
)
2999 (void) printf("%*s", (int)pl
->pl_width
, header
);
3001 (void) printf("%-*s", (int)pl
->pl_width
, header
);
3004 (void) printf("\n");
3008 * Given a dataset and a list of fields, print out all the properties according
3009 * to the described layout.
3012 print_dataset(zfs_handle_t
*zhp
, list_cbdata_t
*cb
)
3014 zprop_list_t
*pl
= cb
->cb_proplist
;
3015 boolean_t first
= B_TRUE
;
3016 char property
[ZFS_MAXPROPLEN
];
3017 nvlist_t
*userprops
= zfs_get_user_props(zhp
);
3020 boolean_t right_justify
;
3022 for (; pl
!= NULL
; pl
= pl
->pl_next
) {
3024 if (cb
->cb_scripted
)
3025 (void) printf("\t");
3032 if (pl
->pl_prop
== ZFS_PROP_NAME
) {
3033 (void) strlcpy(property
, zfs_get_name(zhp
),
3036 right_justify
= zfs_prop_align_right(pl
->pl_prop
);
3037 } else if (pl
->pl_prop
!= ZPROP_INVAL
) {
3038 if (zfs_prop_get(zhp
, pl
->pl_prop
, property
,
3039 sizeof (property
), NULL
, NULL
, 0,
3040 cb
->cb_literal
) != 0)
3044 right_justify
= zfs_prop_align_right(pl
->pl_prop
);
3045 } else if (zfs_prop_userquota(pl
->pl_user_prop
)) {
3046 if (zfs_prop_get_userquota(zhp
, pl
->pl_user_prop
,
3047 property
, sizeof (property
), cb
->cb_literal
) != 0)
3051 right_justify
= B_TRUE
;
3052 } else if (zfs_prop_written(pl
->pl_user_prop
)) {
3053 if (zfs_prop_get_written(zhp
, pl
->pl_user_prop
,
3054 property
, sizeof (property
), cb
->cb_literal
) != 0)
3058 right_justify
= B_TRUE
;
3060 if (nvlist_lookup_nvlist(userprops
,
3061 pl
->pl_user_prop
, &propval
) != 0)
3064 verify(nvlist_lookup_string(propval
,
3065 ZPROP_VALUE
, &propstr
) == 0);
3066 right_justify
= B_FALSE
;
3070 * If this is being called in scripted mode, or if this is the
3071 * last column and it is left-justified, don't include a width
3074 if (cb
->cb_scripted
|| (pl
->pl_next
== NULL
&& !right_justify
))
3075 (void) printf("%s", propstr
);
3076 else if (right_justify
)
3077 (void) printf("%*s", (int)pl
->pl_width
, propstr
);
3079 (void) printf("%-*s", (int)pl
->pl_width
, propstr
);
3082 (void) printf("\n");
3086 * Generic callback function to list a dataset or snapshot.
3089 list_callback(zfs_handle_t
*zhp
, void *data
)
3091 list_cbdata_t
*cbp
= data
;
3093 if (cbp
->cb_first
) {
3094 if (!cbp
->cb_scripted
)
3096 cbp
->cb_first
= B_FALSE
;
3099 print_dataset(zhp
, cbp
);
3105 zfs_do_list(int argc
, char **argv
)
3108 static char default_fields
[] =
3109 "name,used,available,referenced,mountpoint";
3110 int types
= ZFS_TYPE_DATASET
;
3111 boolean_t types_specified
= B_FALSE
;
3112 char *fields
= NULL
;
3113 list_cbdata_t cb
= { 0 };
3117 zfs_sort_column_t
*sortcol
= NULL
;
3118 int flags
= ZFS_ITER_PROP_LISTSNAPS
| ZFS_ITER_ARGS_CAN_BE_PATHS
;
3121 while ((c
= getopt(argc
, argv
, "HS:d:o:prs:t:")) != -1) {
3127 cb
.cb_literal
= B_TRUE
;
3128 flags
|= ZFS_ITER_LITERAL_PROPS
;
3131 limit
= parse_depth(optarg
, &flags
);
3134 flags
|= ZFS_ITER_RECURSE
;
3137 cb
.cb_scripted
= B_TRUE
;
3140 if (zfs_add_sort_column(&sortcol
, optarg
,
3142 (void) fprintf(stderr
,
3143 gettext("invalid property '%s'\n"), optarg
);
3148 if (zfs_add_sort_column(&sortcol
, optarg
,
3150 (void) fprintf(stderr
,
3151 gettext("invalid property '%s'\n"), optarg
);
3157 types_specified
= B_TRUE
;
3158 flags
&= ~ZFS_ITER_PROP_LISTSNAPS
;
3159 while (*optarg
!= '\0') {
3160 static char *type_subopts
[] = { "filesystem",
3161 "volume", "snapshot", "snap", "bookmark",
3164 switch (getsubopt(&optarg
, type_subopts
,
3167 types
|= ZFS_TYPE_FILESYSTEM
;
3170 types
|= ZFS_TYPE_VOLUME
;
3174 types
|= ZFS_TYPE_SNAPSHOT
;
3177 types
|= ZFS_TYPE_BOOKMARK
;
3180 types
= ZFS_TYPE_DATASET
|
3184 (void) fprintf(stderr
,
3185 gettext("invalid type '%s'\n"),
3192 (void) fprintf(stderr
, gettext("missing argument for "
3193 "'%c' option\n"), optopt
);
3197 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3207 fields
= default_fields
;
3210 * If we are only going to list snapshot names and sort by name,
3211 * then we can use faster version.
3213 if (strcmp(fields
, "name") == 0 && zfs_sort_only_by_name(sortcol
))
3214 flags
|= ZFS_ITER_SIMPLE
;
3217 * If "-o space" and no types were specified, don't display snapshots.
3219 if (strcmp(fields
, "space") == 0 && types_specified
== B_FALSE
)
3220 types
&= ~ZFS_TYPE_SNAPSHOT
;
3223 * If the user specifies '-o all', the zprop_get_list() doesn't
3224 * normally include the name of the dataset. For 'zfs list', we always
3225 * want this property to be first.
3227 if (zprop_get_list(g_zfs
, fields
, &cb
.cb_proplist
, ZFS_TYPE_DATASET
)
3231 cb
.cb_first
= B_TRUE
;
3233 ret
= zfs_for_each(argc
, argv
, flags
, types
, sortcol
, &cb
.cb_proplist
,
3234 limit
, list_callback
, &cb
);
3236 zprop_free_list(cb
.cb_proplist
);
3237 zfs_free_sort_columns(sortcol
);
3239 if (ret
== 0 && cb
.cb_first
&& !cb
.cb_scripted
)
3240 (void) fprintf(stderr
, gettext("no datasets available\n"));
3246 * zfs rename [-f] <fs | snap | vol> <fs | snap | vol>
3247 * zfs rename [-f] -p <fs | vol> <fs | vol>
3248 * zfs rename -r <snap> <snap>
3250 * Renames the given dataset to another of the same type.
3252 * The '-p' flag creates all the non-existing ancestors of the target first.
3256 zfs_do_rename(int argc
, char **argv
)
3261 boolean_t recurse
= B_FALSE
;
3262 boolean_t parents
= B_FALSE
;
3263 boolean_t force_unmount
= B_FALSE
;
3266 while ((c
= getopt(argc
, argv
, "prf")) != -1) {
3275 force_unmount
= B_TRUE
;
3279 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3288 /* check number of arguments */
3290 (void) fprintf(stderr
, gettext("missing source dataset "
3295 (void) fprintf(stderr
, gettext("missing target dataset "
3300 (void) fprintf(stderr
, gettext("too many arguments\n"));
3304 if (recurse
&& parents
) {
3305 (void) fprintf(stderr
, gettext("-p and -r options are mutually "
3310 if (recurse
&& strchr(argv
[0], '@') == 0) {
3311 (void) fprintf(stderr
, gettext("source dataset for recursive "
3312 "rename must be a snapshot\n"));
3316 if ((zhp
= zfs_open(g_zfs
, argv
[0], parents
? ZFS_TYPE_FILESYSTEM
|
3317 ZFS_TYPE_VOLUME
: ZFS_TYPE_DATASET
)) == NULL
)
3320 /* If we were asked and the name looks good, try to create ancestors. */
3321 if (parents
&& zfs_name_valid(argv
[1], zfs_get_type(zhp
)) &&
3322 zfs_create_ancestors(g_zfs
, argv
[1]) != 0) {
3327 ret
= (zfs_rename(zhp
, argv
[1], recurse
, force_unmount
) != 0);
3336 * Promotes the given clone fs to be the parent
3340 zfs_do_promote(int argc
, char **argv
)
3346 if (argc
> 1 && argv
[1][0] == '-') {
3347 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3352 /* check number of arguments */
3354 (void) fprintf(stderr
, gettext("missing clone filesystem"
3359 (void) fprintf(stderr
, gettext("too many arguments\n"));
3363 zhp
= zfs_open(g_zfs
, argv
[1], ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
3367 ret
= (zfs_promote(zhp
) != 0);
3375 * zfs rollback [-rRf] <snapshot>
3377 * -r Delete any intervening snapshots before doing rollback
3378 * -R Delete any snapshots and their clones
3379 * -f ignored for backwards compatability
3381 * Given a filesystem, rollback to a specific snapshot, discarding any changes
3382 * since then and making it the active dataset. If more recent snapshots exist,
3383 * the command will complain unless the '-r' flag is given.
3385 typedef struct rollback_cbdata
{
3391 boolean_t cb_recurse
;
3392 } rollback_cbdata_t
;
3395 rollback_check_dependent(zfs_handle_t
*zhp
, void *data
)
3397 rollback_cbdata_t
*cbp
= data
;
3399 if (cbp
->cb_first
&& cbp
->cb_recurse
) {
3400 (void) fprintf(stderr
, gettext("cannot rollback to "
3401 "'%s': clones of previous snapshots exist\n"),
3403 (void) fprintf(stderr
, gettext("use '-R' to "
3404 "force deletion of the following clones and "
3410 (void) fprintf(stderr
, "%s\n", zfs_get_name(zhp
));
3418 * Report any snapshots more recent than the one specified. Used when '-r' is
3419 * not specified. We reuse this same callback for the snapshot dependents - if
3420 * 'cb_dependent' is set, then this is a dependent and we should report it
3421 * without checking the transaction group.
3424 rollback_check(zfs_handle_t
*zhp
, void *data
)
3426 rollback_cbdata_t
*cbp
= data
;
3428 if (cbp
->cb_doclones
) {
3433 if (zfs_prop_get_int(zhp
, ZFS_PROP_CREATETXG
) > cbp
->cb_create
) {
3434 if (cbp
->cb_first
&& !cbp
->cb_recurse
) {
3435 (void) fprintf(stderr
, gettext("cannot "
3436 "rollback to '%s': more recent snapshots "
3437 "or bookmarks exist\n"),
3439 (void) fprintf(stderr
, gettext("use '-r' to "
3440 "force deletion of the following "
3441 "snapshots and bookmarks:\n"));
3446 if (cbp
->cb_recurse
) {
3447 if (zfs_iter_dependents(zhp
, B_TRUE
,
3448 rollback_check_dependent
, cbp
) != 0) {
3453 (void) fprintf(stderr
, "%s\n",
3462 zfs_do_rollback(int argc
, char **argv
)
3466 boolean_t force
= B_FALSE
;
3467 rollback_cbdata_t cb
= { 0 };
3468 zfs_handle_t
*zhp
, *snap
;
3469 char parentname
[ZFS_MAX_DATASET_NAME_LEN
];
3473 while ((c
= getopt(argc
, argv
, "rRf")) != -1) {
3486 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3495 /* check number of arguments */
3497 (void) fprintf(stderr
, gettext("missing dataset argument\n"));
3501 (void) fprintf(stderr
, gettext("too many arguments\n"));
3505 /* open the snapshot */
3506 if ((snap
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_SNAPSHOT
)) == NULL
)
3509 /* open the parent dataset */
3510 (void) strlcpy(parentname
, argv
[0], sizeof (parentname
));
3511 verify((delim
= strrchr(parentname
, '@')) != NULL
);
3513 if ((zhp
= zfs_open(g_zfs
, parentname
, ZFS_TYPE_DATASET
)) == NULL
) {
3519 * Check for more recent snapshots and/or clones based on the presence
3522 cb
.cb_target
= argv
[0];
3523 cb
.cb_create
= zfs_prop_get_int(snap
, ZFS_PROP_CREATETXG
);
3524 cb
.cb_first
= B_TRUE
;
3526 if ((ret
= zfs_iter_snapshots(zhp
, B_FALSE
, rollback_check
, &cb
)) != 0)
3528 if ((ret
= zfs_iter_bookmarks(zhp
, rollback_check
, &cb
)) != 0)
3531 if ((ret
= cb
.cb_error
) != 0)
3535 * Rollback parent to the given snapshot.
3537 ret
= zfs_rollback(zhp
, snap
, force
);
3550 * zfs set property=value ... { fs | snap | vol } ...
3552 * Sets the given properties for all datasets specified on the command line.
3556 set_callback(zfs_handle_t
*zhp
, void *data
)
3558 nvlist_t
*props
= data
;
3560 if (zfs_prop_set_list(zhp
, props
) != 0) {
3561 switch (libzfs_errno(g_zfs
)) {
3562 case EZFS_MOUNTFAILED
:
3563 (void) fprintf(stderr
, gettext("property may be set "
3564 "but unable to remount filesystem\n"));
3566 case EZFS_SHARENFSFAILED
:
3567 (void) fprintf(stderr
, gettext("property may be set "
3568 "but unable to reshare filesystem\n"));
3577 zfs_do_set(int argc
, char **argv
)
3579 nvlist_t
*props
= NULL
;
3580 int ds_start
= -1; /* argv idx of first dataset arg */
3584 /* check for options */
3585 if (argc
> 1 && argv
[1][0] == '-') {
3586 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3591 /* check number of arguments */
3593 (void) fprintf(stderr
, gettext("missing arguments\n"));
3597 if (strchr(argv
[1], '=') == NULL
) {
3598 (void) fprintf(stderr
, gettext("missing property=value "
3601 (void) fprintf(stderr
, gettext("missing dataset "
3607 /* validate argument order: prop=val args followed by dataset args */
3608 for (i
= 1; i
< argc
; i
++) {
3609 if (strchr(argv
[i
], '=') != NULL
) {
3611 /* out-of-order prop=val argument */
3612 (void) fprintf(stderr
, gettext("invalid "
3613 "argument order\n"));
3616 } else if (ds_start
< 0) {
3621 (void) fprintf(stderr
, gettext("missing dataset name(s)\n"));
3625 /* Populate a list of property settings */
3626 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
3628 for (i
= 1; i
< ds_start
; i
++) {
3629 if ((ret
= parseprop(props
, argv
[i
])) != 0)
3633 ret
= zfs_for_each(argc
- ds_start
, argv
+ ds_start
, 0,
3634 ZFS_TYPE_DATASET
, NULL
, NULL
, 0, set_callback
, props
);
3641 typedef struct snap_cbdata
{
3643 boolean_t sd_recursive
;
3644 const char *sd_snapname
;
3648 zfs_snapshot_cb(zfs_handle_t
*zhp
, void *arg
)
3650 snap_cbdata_t
*sd
= arg
;
3655 if (sd
->sd_recursive
&&
3656 zfs_prop_get_int(zhp
, ZFS_PROP_INCONSISTENT
) != 0) {
3661 error
= asprintf(&name
, "%s@%s", zfs_get_name(zhp
), sd
->sd_snapname
);
3664 fnvlist_add_boolean(sd
->sd_nvl
, name
);
3667 if (sd
->sd_recursive
)
3668 rv
= zfs_iter_filesystems(zhp
, zfs_snapshot_cb
, sd
);
3674 * zfs snapshot [-r] [-o prop=value] ... <fs@snap>
3676 * Creates a snapshot with the given name. While functionally equivalent to
3677 * 'zfs create', it is a separate command to differentiate intent.
3680 zfs_do_snapshot(int argc
, char **argv
)
3685 snap_cbdata_t sd
= { 0 };
3686 boolean_t multiple_snaps
= B_FALSE
;
3688 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
3690 if (nvlist_alloc(&sd
.sd_nvl
, NV_UNIQUE_NAME
, 0) != 0)
3694 while ((c
= getopt(argc
, argv
, "ro:")) != -1) {
3697 if (parseprop(props
, optarg
) != 0) {
3698 nvlist_free(sd
.sd_nvl
);
3704 sd
.sd_recursive
= B_TRUE
;
3705 multiple_snaps
= B_TRUE
;
3708 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3717 /* check number of arguments */
3719 (void) fprintf(stderr
, gettext("missing snapshot argument\n"));
3724 multiple_snaps
= B_TRUE
;
3725 for (; argc
> 0; argc
--, argv
++) {
3729 atp
= strchr(argv
[0], '@');
3733 sd
.sd_snapname
= atp
+ 1;
3734 zhp
= zfs_open(g_zfs
, argv
[0],
3735 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
3738 if (zfs_snapshot_cb(zhp
, &sd
) != 0)
3742 ret
= zfs_snapshot_nvl(g_zfs
, sd
.sd_nvl
, props
);
3743 nvlist_free(sd
.sd_nvl
);
3745 if (ret
!= 0 && multiple_snaps
)
3746 (void) fprintf(stderr
, gettext("no snapshots were created\n"));
3750 nvlist_free(sd
.sd_nvl
);
3757 * Send a backup stream to stdout.
3760 zfs_do_send(int argc
, char **argv
)
3762 char *fromname
= NULL
;
3763 char *toname
= NULL
;
3764 char *resume_token
= NULL
;
3767 sendflags_t flags
= { 0 };
3769 nvlist_t
*dbgnv
= NULL
;
3770 boolean_t extraverbose
= B_FALSE
;
3773 while ((c
= getopt(argc
, argv
, ":i:I:RDpvnPLet:c")) != -1) {
3784 flags
.doall
= B_TRUE
;
3787 flags
.replicate
= B_TRUE
;
3790 flags
.props
= B_TRUE
;
3793 flags
.parsable
= B_TRUE
;
3794 flags
.verbose
= B_TRUE
;
3798 extraverbose
= B_TRUE
;
3799 flags
.verbose
= B_TRUE
;
3800 flags
.progress
= B_TRUE
;
3803 flags
.dedup
= B_TRUE
;
3806 flags
.dryrun
= B_TRUE
;
3809 flags
.largeblock
= B_TRUE
;
3812 flags
.embed_data
= B_TRUE
;
3815 resume_token
= optarg
;
3818 flags
.compress
= B_TRUE
;
3821 (void) fprintf(stderr
, gettext("missing argument for "
3822 "'%c' option\n"), optopt
);
3826 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
3835 if (resume_token
!= NULL
) {
3836 if (fromname
!= NULL
|| flags
.replicate
|| flags
.props
||
3838 (void) fprintf(stderr
,
3839 gettext("invalid flags combined with -t\n"));
3843 (void) fprintf(stderr
, gettext("no additional "
3844 "arguments are permitted with -t\n"));
3849 (void) fprintf(stderr
,
3850 gettext("missing snapshot argument\n"));
3854 (void) fprintf(stderr
, gettext("too many arguments\n"));
3859 if (!flags
.dryrun
&& isatty(STDOUT_FILENO
)) {
3860 (void) fprintf(stderr
,
3861 gettext("Error: Stream can not be written to a terminal.\n"
3862 "You must redirect standard output.\n"));
3866 if (resume_token
!= NULL
) {
3867 return (zfs_send_resume(g_zfs
, &flags
, STDOUT_FILENO
,
3872 * Special case sending a filesystem, or from a bookmark.
3874 if (strchr(argv
[0], '@') == NULL
||
3875 (fromname
&& strchr(fromname
, '#') != NULL
)) {
3876 char frombuf
[ZFS_MAX_DATASET_NAME_LEN
];
3877 enum lzc_send_flags lzc_flags
= 0;
3879 if (flags
.replicate
|| flags
.doall
|| flags
.props
||
3880 flags
.dedup
|| flags
.dryrun
|| flags
.verbose
||
3882 (void) fprintf(stderr
,
3884 "Unsupported flag with filesystem or bookmark.\n"));
3888 zhp
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_DATASET
);
3892 if (flags
.largeblock
)
3893 lzc_flags
|= LZC_SEND_FLAG_LARGE_BLOCK
;
3894 if (flags
.embed_data
)
3895 lzc_flags
|= LZC_SEND_FLAG_EMBED_DATA
;
3897 lzc_flags
|= LZC_SEND_FLAG_COMPRESS
;
3899 if (fromname
!= NULL
&&
3900 (fromname
[0] == '#' || fromname
[0] == '@')) {
3902 * Incremental source name begins with # or @.
3903 * Default to same fs as target.
3905 (void) strlcpy(frombuf
, argv
[0], sizeof (frombuf
));
3906 cp
= strchr(frombuf
, '@');
3909 (void) strlcat(frombuf
, fromname
, sizeof (frombuf
));
3912 err
= zfs_send_one(zhp
, fromname
, STDOUT_FILENO
, lzc_flags
);
3917 cp
= strchr(argv
[0], '@');
3920 zhp
= zfs_open(g_zfs
, argv
[0], ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
3925 * If they specified the full path to the snapshot, chop off
3926 * everything except the short name of the snapshot, but special
3927 * case if they specify the origin.
3929 if (fromname
&& (cp
= strchr(fromname
, '@')) != NULL
) {
3930 char origin
[ZFS_MAX_DATASET_NAME_LEN
];
3933 (void) zfs_prop_get(zhp
, ZFS_PROP_ORIGIN
,
3934 origin
, sizeof (origin
), &src
, NULL
, 0, B_FALSE
);
3936 if (strcmp(origin
, fromname
) == 0) {
3938 flags
.fromorigin
= B_TRUE
;
3941 if (cp
!= fromname
&& strcmp(argv
[0], fromname
)) {
3942 (void) fprintf(stderr
,
3943 gettext("incremental source must be "
3944 "in same filesystem\n"));
3948 if (strchr(fromname
, '@') || strchr(fromname
, '/')) {
3949 (void) fprintf(stderr
,
3950 gettext("invalid incremental source\n"));
3956 if (flags
.replicate
&& fromname
== NULL
)
3957 flags
.doall
= B_TRUE
;
3959 err
= zfs_send(zhp
, fromname
, toname
, &flags
, STDOUT_FILENO
, NULL
, 0,
3960 extraverbose
? &dbgnv
: NULL
);
3962 if (extraverbose
&& dbgnv
!= NULL
) {
3964 * dump_nvlist prints to stdout, but that's been
3965 * redirected to a file. Make it print to stderr
3968 (void) dup2(STDERR_FILENO
, STDOUT_FILENO
);
3969 dump_nvlist(dbgnv
, 0);
3978 * Restore a backup stream from stdin.
3981 zfs_do_receive(int argc
, char **argv
)
3984 recvflags_t flags
= { 0 };
3985 boolean_t abort_resumable
= B_FALSE
;
3988 nvpair_t
*nvp
= NULL
;
3990 if (nvlist_alloc(&props
, NV_UNIQUE_NAME
, 0) != 0)
3994 while ((c
= getopt(argc
, argv
, ":o:denuvFsA")) != -1) {
3997 if (parseprop(props
, optarg
) != 0) {
4003 flags
.isprefix
= B_TRUE
;
4006 flags
.isprefix
= B_TRUE
;
4007 flags
.istail
= B_TRUE
;
4010 flags
.dryrun
= B_TRUE
;
4013 flags
.nomount
= B_TRUE
;
4016 flags
.verbose
= B_TRUE
;
4019 flags
.resumable
= B_TRUE
;
4022 flags
.force
= B_TRUE
;
4025 abort_resumable
= B_TRUE
;
4028 (void) fprintf(stderr
, gettext("missing argument for "
4029 "'%c' option\n"), optopt
);
4033 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
4042 /* check number of arguments */
4044 (void) fprintf(stderr
, gettext("missing snapshot argument\n"));
4048 (void) fprintf(stderr
, gettext("too many arguments\n"));
4052 while ((nvp
= nvlist_next_nvpair(props
, nvp
))) {
4053 if (strcmp(nvpair_name(nvp
), "origin") != 0) {
4054 (void) fprintf(stderr
, gettext("invalid option"));
4059 if (abort_resumable
) {
4060 if (flags
.isprefix
|| flags
.istail
|| flags
.dryrun
||
4061 flags
.resumable
|| flags
.nomount
) {
4062 (void) fprintf(stderr
, gettext("invalid option"));
4066 char namebuf
[ZFS_MAX_DATASET_NAME_LEN
];
4067 (void) snprintf(namebuf
, sizeof (namebuf
),
4068 "%s/%%recv", argv
[0]);
4070 if (zfs_dataset_exists(g_zfs
, namebuf
,
4071 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
)) {
4072 zfs_handle_t
*zhp
= zfs_open(g_zfs
,
4073 namebuf
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
4078 err
= zfs_destroy(zhp
, B_FALSE
);
4081 zfs_handle_t
*zhp
= zfs_open(g_zfs
,
4082 argv
[0], ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
4085 if (!zfs_prop_get_int(zhp
, ZFS_PROP_INCONSISTENT
) ||
4086 zfs_prop_get(zhp
, ZFS_PROP_RECEIVE_RESUME_TOKEN
,
4087 NULL
, 0, NULL
, NULL
, 0, B_TRUE
) == -1) {
4088 (void) fprintf(stderr
,
4089 gettext("'%s' does not have any "
4090 "resumable receive state to abort\n"),
4096 err
= zfs_destroy(zhp
, B_FALSE
);
4103 if (isatty(STDIN_FILENO
)) {
4104 (void) fprintf(stderr
,
4105 gettext("Error: Backup stream can not be read "
4106 "from a terminal.\n"
4107 "You must redirect standard input.\n"));
4111 err
= zfs_receive(g_zfs
, argv
[0], props
, &flags
, STDIN_FILENO
, NULL
);
4118 * allow/unallow stuff
4120 /* copied from zfs/sys/dsl_deleg.h */
4121 #define ZFS_DELEG_PERM_CREATE "create"
4122 #define ZFS_DELEG_PERM_DESTROY "destroy"
4123 #define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
4124 #define ZFS_DELEG_PERM_ROLLBACK "rollback"
4125 #define ZFS_DELEG_PERM_CLONE "clone"
4126 #define ZFS_DELEG_PERM_PROMOTE "promote"
4127 #define ZFS_DELEG_PERM_RENAME "rename"
4128 #define ZFS_DELEG_PERM_MOUNT "mount"
4129 #define ZFS_DELEG_PERM_SHARE "share"
4130 #define ZFS_DELEG_PERM_SEND "send"
4131 #define ZFS_DELEG_PERM_RECEIVE "receive"
4132 #define ZFS_DELEG_PERM_ALLOW "allow"
4133 #define ZFS_DELEG_PERM_USERPROP "userprop"
4134 #define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
4135 #define ZFS_DELEG_PERM_USERQUOTA "userquota"
4136 #define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
4137 #define ZFS_DELEG_PERM_USERUSED "userused"
4138 #define ZFS_DELEG_PERM_GROUPUSED "groupused"
4139 #define ZFS_DELEG_PERM_USEROBJQUOTA "userobjquota"
4140 #define ZFS_DELEG_PERM_GROUPOBJQUOTA "groupobjquota"
4141 #define ZFS_DELEG_PERM_USEROBJUSED "userobjused"
4142 #define ZFS_DELEG_PERM_GROUPOBJUSED "groupobjused"
4144 #define ZFS_DELEG_PERM_HOLD "hold"
4145 #define ZFS_DELEG_PERM_RELEASE "release"
4146 #define ZFS_DELEG_PERM_DIFF "diff"
4147 #define ZFS_DELEG_PERM_BOOKMARK "bookmark"
4149 #define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
4151 static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl
[] = {
4152 { ZFS_DELEG_PERM_ALLOW
, ZFS_DELEG_NOTE_ALLOW
},
4153 { ZFS_DELEG_PERM_CLONE
, ZFS_DELEG_NOTE_CLONE
},
4154 { ZFS_DELEG_PERM_CREATE
, ZFS_DELEG_NOTE_CREATE
},
4155 { ZFS_DELEG_PERM_DESTROY
, ZFS_DELEG_NOTE_DESTROY
},
4156 { ZFS_DELEG_PERM_DIFF
, ZFS_DELEG_NOTE_DIFF
},
4157 { ZFS_DELEG_PERM_HOLD
, ZFS_DELEG_NOTE_HOLD
},
4158 { ZFS_DELEG_PERM_MOUNT
, ZFS_DELEG_NOTE_MOUNT
},
4159 { ZFS_DELEG_PERM_PROMOTE
, ZFS_DELEG_NOTE_PROMOTE
},
4160 { ZFS_DELEG_PERM_RECEIVE
, ZFS_DELEG_NOTE_RECEIVE
},
4161 { ZFS_DELEG_PERM_RELEASE
, ZFS_DELEG_NOTE_RELEASE
},
4162 { ZFS_DELEG_PERM_RENAME
, ZFS_DELEG_NOTE_RENAME
},
4163 { ZFS_DELEG_PERM_ROLLBACK
, ZFS_DELEG_NOTE_ROLLBACK
},
4164 { ZFS_DELEG_PERM_SEND
, ZFS_DELEG_NOTE_SEND
},
4165 { ZFS_DELEG_PERM_SHARE
, ZFS_DELEG_NOTE_SHARE
},
4166 { ZFS_DELEG_PERM_SNAPSHOT
, ZFS_DELEG_NOTE_SNAPSHOT
},
4167 { ZFS_DELEG_PERM_BOOKMARK
, ZFS_DELEG_NOTE_BOOKMARK
},
4169 { ZFS_DELEG_PERM_GROUPQUOTA
, ZFS_DELEG_NOTE_GROUPQUOTA
},
4170 { ZFS_DELEG_PERM_GROUPUSED
, ZFS_DELEG_NOTE_GROUPUSED
},
4171 { ZFS_DELEG_PERM_USERPROP
, ZFS_DELEG_NOTE_USERPROP
},
4172 { ZFS_DELEG_PERM_USERQUOTA
, ZFS_DELEG_NOTE_USERQUOTA
},
4173 { ZFS_DELEG_PERM_USERUSED
, ZFS_DELEG_NOTE_USERUSED
},
4174 { ZFS_DELEG_PERM_USEROBJQUOTA
, ZFS_DELEG_NOTE_USEROBJQUOTA
},
4175 { ZFS_DELEG_PERM_USEROBJUSED
, ZFS_DELEG_NOTE_USEROBJUSED
},
4176 { ZFS_DELEG_PERM_GROUPOBJQUOTA
, ZFS_DELEG_NOTE_GROUPOBJQUOTA
},
4177 { ZFS_DELEG_PERM_GROUPOBJUSED
, ZFS_DELEG_NOTE_GROUPOBJUSED
},
4178 { NULL
, ZFS_DELEG_NOTE_NONE
}
4181 /* permission structure */
4182 typedef struct deleg_perm
{
4183 zfs_deleg_who_type_t dp_who_type
;
4184 const char *dp_name
;
4186 boolean_t dp_descend
;
4190 typedef struct deleg_perm_node
{
4191 deleg_perm_t dpn_perm
;
4193 uu_avl_node_t dpn_avl_node
;
4194 } deleg_perm_node_t
;
4196 typedef struct fs_perm fs_perm_t
;
4198 /* permissions set */
4199 typedef struct who_perm
{
4200 zfs_deleg_who_type_t who_type
;
4201 const char *who_name
; /* id */
4202 char who_ug_name
[256]; /* user/group name */
4203 fs_perm_t
*who_fsperm
; /* uplink */
4205 uu_avl_t
*who_deleg_perm_avl
; /* permissions */
4209 typedef struct who_perm_node
{
4210 who_perm_t who_perm
;
4211 uu_avl_node_t who_avl_node
;
4214 typedef struct fs_perm_set fs_perm_set_t
;
4215 /* fs permissions */
4217 const char *fsp_name
;
4219 uu_avl_t
*fsp_sc_avl
; /* sets,create */
4220 uu_avl_t
*fsp_uge_avl
; /* user,group,everyone */
4222 fs_perm_set_t
*fsp_set
; /* uplink */
4226 typedef struct fs_perm_node
{
4227 fs_perm_t fspn_fsperm
;
4230 uu_list_node_t fspn_list_node
;
4233 /* top level structure */
4234 struct fs_perm_set
{
4235 uu_list_pool_t
*fsps_list_pool
;
4236 uu_list_t
*fsps_list
; /* list of fs_perms */
4238 uu_avl_pool_t
*fsps_named_set_avl_pool
;
4239 uu_avl_pool_t
*fsps_who_perm_avl_pool
;
4240 uu_avl_pool_t
*fsps_deleg_perm_avl_pool
;
4243 static inline const char *
4244 deleg_perm_type(zfs_deleg_note_t note
)
4250 case ZFS_DELEG_NOTE_GROUPQUOTA
:
4251 case ZFS_DELEG_NOTE_GROUPUSED
:
4252 case ZFS_DELEG_NOTE_USERPROP
:
4253 case ZFS_DELEG_NOTE_USERQUOTA
:
4254 case ZFS_DELEG_NOTE_USERUSED
:
4255 case ZFS_DELEG_NOTE_USEROBJQUOTA
:
4256 case ZFS_DELEG_NOTE_USEROBJUSED
:
4257 case ZFS_DELEG_NOTE_GROUPOBJQUOTA
:
4258 case ZFS_DELEG_NOTE_GROUPOBJUSED
:
4260 return (gettext("other"));
4262 return (gettext("subcommand"));
4267 who_type2weight(zfs_deleg_who_type_t who_type
)
4271 case ZFS_DELEG_NAMED_SET_SETS
:
4272 case ZFS_DELEG_NAMED_SET
:
4275 case ZFS_DELEG_CREATE_SETS
:
4276 case ZFS_DELEG_CREATE
:
4279 case ZFS_DELEG_USER_SETS
:
4280 case ZFS_DELEG_USER
:
4283 case ZFS_DELEG_GROUP_SETS
:
4284 case ZFS_DELEG_GROUP
:
4287 case ZFS_DELEG_EVERYONE_SETS
:
4288 case ZFS_DELEG_EVERYONE
:
4300 who_perm_compare(const void *larg
, const void *rarg
, void *unused
)
4302 const who_perm_node_t
*l
= larg
;
4303 const who_perm_node_t
*r
= rarg
;
4304 zfs_deleg_who_type_t ltype
= l
->who_perm
.who_type
;
4305 zfs_deleg_who_type_t rtype
= r
->who_perm
.who_type
;
4306 int lweight
= who_type2weight(ltype
);
4307 int rweight
= who_type2weight(rtype
);
4308 int res
= lweight
- rweight
;
4310 res
= strncmp(l
->who_perm
.who_name
, r
->who_perm
.who_name
,
4311 ZFS_MAX_DELEG_NAME
-1);
4323 deleg_perm_compare(const void *larg
, const void *rarg
, void *unused
)
4325 const deleg_perm_node_t
*l
= larg
;
4326 const deleg_perm_node_t
*r
= rarg
;
4327 int res
= strncmp(l
->dpn_perm
.dp_name
, r
->dpn_perm
.dp_name
,
4328 ZFS_MAX_DELEG_NAME
-1);
4340 fs_perm_set_init(fs_perm_set_t
*fspset
)
4342 bzero(fspset
, sizeof (fs_perm_set_t
));
4344 if ((fspset
->fsps_list_pool
= uu_list_pool_create("fsps_list_pool",
4345 sizeof (fs_perm_node_t
), offsetof(fs_perm_node_t
, fspn_list_node
),
4346 NULL
, UU_DEFAULT
)) == NULL
)
4348 if ((fspset
->fsps_list
= uu_list_create(fspset
->fsps_list_pool
, NULL
,
4349 UU_DEFAULT
)) == NULL
)
4352 if ((fspset
->fsps_named_set_avl_pool
= uu_avl_pool_create(
4353 "named_set_avl_pool", sizeof (who_perm_node_t
), offsetof(
4354 who_perm_node_t
, who_avl_node
), who_perm_compare
,
4355 UU_DEFAULT
)) == NULL
)
4358 if ((fspset
->fsps_who_perm_avl_pool
= uu_avl_pool_create(
4359 "who_perm_avl_pool", sizeof (who_perm_node_t
), offsetof(
4360 who_perm_node_t
, who_avl_node
), who_perm_compare
,
4361 UU_DEFAULT
)) == NULL
)
4364 if ((fspset
->fsps_deleg_perm_avl_pool
= uu_avl_pool_create(
4365 "deleg_perm_avl_pool", sizeof (deleg_perm_node_t
), offsetof(
4366 deleg_perm_node_t
, dpn_avl_node
), deleg_perm_compare
, UU_DEFAULT
))
4371 static inline void fs_perm_fini(fs_perm_t
*);
4372 static inline void who_perm_fini(who_perm_t
*);
4375 fs_perm_set_fini(fs_perm_set_t
*fspset
)
4377 fs_perm_node_t
*node
= uu_list_first(fspset
->fsps_list
);
4379 while (node
!= NULL
) {
4380 fs_perm_node_t
*next_node
=
4381 uu_list_next(fspset
->fsps_list
, node
);
4382 fs_perm_t
*fsperm
= &node
->fspn_fsperm
;
4383 fs_perm_fini(fsperm
);
4384 uu_list_remove(fspset
->fsps_list
, node
);
4389 uu_avl_pool_destroy(fspset
->fsps_named_set_avl_pool
);
4390 uu_avl_pool_destroy(fspset
->fsps_who_perm_avl_pool
);
4391 uu_avl_pool_destroy(fspset
->fsps_deleg_perm_avl_pool
);
4395 deleg_perm_init(deleg_perm_t
*deleg_perm
, zfs_deleg_who_type_t type
,
4398 deleg_perm
->dp_who_type
= type
;
4399 deleg_perm
->dp_name
= name
;
4403 who_perm_init(who_perm_t
*who_perm
, fs_perm_t
*fsperm
,
4404 zfs_deleg_who_type_t type
, const char *name
)
4406 uu_avl_pool_t
*pool
;
4407 pool
= fsperm
->fsp_set
->fsps_deleg_perm_avl_pool
;
4409 bzero(who_perm
, sizeof (who_perm_t
));
4411 if ((who_perm
->who_deleg_perm_avl
= uu_avl_create(pool
, NULL
,
4412 UU_DEFAULT
)) == NULL
)
4415 who_perm
->who_type
= type
;
4416 who_perm
->who_name
= name
;
4417 who_perm
->who_fsperm
= fsperm
;
4421 who_perm_fini(who_perm_t
*who_perm
)
4423 deleg_perm_node_t
*node
= uu_avl_first(who_perm
->who_deleg_perm_avl
);
4425 while (node
!= NULL
) {
4426 deleg_perm_node_t
*next_node
=
4427 uu_avl_next(who_perm
->who_deleg_perm_avl
, node
);
4429 uu_avl_remove(who_perm
->who_deleg_perm_avl
, node
);
4434 uu_avl_destroy(who_perm
->who_deleg_perm_avl
);
4438 fs_perm_init(fs_perm_t
*fsperm
, fs_perm_set_t
*fspset
, const char *fsname
)
4440 uu_avl_pool_t
*nset_pool
= fspset
->fsps_named_set_avl_pool
;
4441 uu_avl_pool_t
*who_pool
= fspset
->fsps_who_perm_avl_pool
;
4443 bzero(fsperm
, sizeof (fs_perm_t
));
4445 if ((fsperm
->fsp_sc_avl
= uu_avl_create(nset_pool
, NULL
, UU_DEFAULT
))
4449 if ((fsperm
->fsp_uge_avl
= uu_avl_create(who_pool
, NULL
, UU_DEFAULT
))
4453 fsperm
->fsp_set
= fspset
;
4454 fsperm
->fsp_name
= fsname
;
4458 fs_perm_fini(fs_perm_t
*fsperm
)
4460 who_perm_node_t
*node
= uu_avl_first(fsperm
->fsp_sc_avl
);
4461 while (node
!= NULL
) {
4462 who_perm_node_t
*next_node
= uu_avl_next(fsperm
->fsp_sc_avl
,
4464 who_perm_t
*who_perm
= &node
->who_perm
;
4465 who_perm_fini(who_perm
);
4466 uu_avl_remove(fsperm
->fsp_sc_avl
, node
);
4471 node
= uu_avl_first(fsperm
->fsp_uge_avl
);
4472 while (node
!= NULL
) {
4473 who_perm_node_t
*next_node
= uu_avl_next(fsperm
->fsp_uge_avl
,
4475 who_perm_t
*who_perm
= &node
->who_perm
;
4476 who_perm_fini(who_perm
);
4477 uu_avl_remove(fsperm
->fsp_uge_avl
, node
);
4482 uu_avl_destroy(fsperm
->fsp_sc_avl
);
4483 uu_avl_destroy(fsperm
->fsp_uge_avl
);
4487 set_deleg_perm_node(uu_avl_t
*avl
, deleg_perm_node_t
*node
,
4488 zfs_deleg_who_type_t who_type
, const char *name
, char locality
)
4490 uu_avl_index_t idx
= 0;
4492 deleg_perm_node_t
*found_node
= NULL
;
4493 deleg_perm_t
*deleg_perm
= &node
->dpn_perm
;
4495 deleg_perm_init(deleg_perm
, who_type
, name
);
4497 if ((found_node
= uu_avl_find(avl
, node
, NULL
, &idx
))
4499 uu_avl_insert(avl
, node
, idx
);
4502 deleg_perm
= &node
->dpn_perm
;
4507 case ZFS_DELEG_LOCAL
:
4508 deleg_perm
->dp_local
= B_TRUE
;
4510 case ZFS_DELEG_DESCENDENT
:
4511 deleg_perm
->dp_descend
= B_TRUE
;
4516 assert(B_FALSE
); /* invalid locality */
4521 parse_who_perm(who_perm_t
*who_perm
, nvlist_t
*nvl
, char locality
)
4523 nvpair_t
*nvp
= NULL
;
4524 fs_perm_set_t
*fspset
= who_perm
->who_fsperm
->fsp_set
;
4525 uu_avl_t
*avl
= who_perm
->who_deleg_perm_avl
;
4526 zfs_deleg_who_type_t who_type
= who_perm
->who_type
;
4528 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
4529 const char *name
= nvpair_name(nvp
);
4530 data_type_t type
= nvpair_type(nvp
);
4531 uu_avl_pool_t
*avl_pool
= fspset
->fsps_deleg_perm_avl_pool
;
4532 deleg_perm_node_t
*node
=
4533 safe_malloc(sizeof (deleg_perm_node_t
));
4535 VERIFY(type
== DATA_TYPE_BOOLEAN
);
4537 uu_avl_node_init(node
, &node
->dpn_avl_node
, avl_pool
);
4538 set_deleg_perm_node(avl
, node
, who_type
, name
, locality
);
4545 parse_fs_perm(fs_perm_t
*fsperm
, nvlist_t
*nvl
)
4547 nvpair_t
*nvp
= NULL
;
4548 fs_perm_set_t
*fspset
= fsperm
->fsp_set
;
4550 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
4551 nvlist_t
*nvl2
= NULL
;
4552 const char *name
= nvpair_name(nvp
);
4553 uu_avl_t
*avl
= NULL
;
4554 uu_avl_pool_t
*avl_pool
= NULL
;
4555 zfs_deleg_who_type_t perm_type
= name
[0];
4556 char perm_locality
= name
[1];
4557 const char *perm_name
= name
+ 3;
4558 boolean_t is_set
= B_TRUE
;
4559 who_perm_t
*who_perm
= NULL
;
4561 assert('$' == name
[2]);
4563 if (nvpair_value_nvlist(nvp
, &nvl2
) != 0)
4566 switch (perm_type
) {
4567 case ZFS_DELEG_CREATE
:
4568 case ZFS_DELEG_CREATE_SETS
:
4569 case ZFS_DELEG_NAMED_SET
:
4570 case ZFS_DELEG_NAMED_SET_SETS
:
4571 avl_pool
= fspset
->fsps_named_set_avl_pool
;
4572 avl
= fsperm
->fsp_sc_avl
;
4574 case ZFS_DELEG_USER
:
4575 case ZFS_DELEG_USER_SETS
:
4576 case ZFS_DELEG_GROUP
:
4577 case ZFS_DELEG_GROUP_SETS
:
4578 case ZFS_DELEG_EVERYONE
:
4579 case ZFS_DELEG_EVERYONE_SETS
:
4580 avl_pool
= fspset
->fsps_who_perm_avl_pool
;
4581 avl
= fsperm
->fsp_uge_avl
;
4588 who_perm_node_t
*found_node
= NULL
;
4589 who_perm_node_t
*node
= safe_malloc(
4590 sizeof (who_perm_node_t
));
4591 who_perm
= &node
->who_perm
;
4592 uu_avl_index_t idx
= 0;
4594 uu_avl_node_init(node
, &node
->who_avl_node
, avl_pool
);
4595 who_perm_init(who_perm
, fsperm
, perm_type
, perm_name
);
4597 if ((found_node
= uu_avl_find(avl
, node
, NULL
, &idx
))
4599 if (avl
== fsperm
->fsp_uge_avl
) {
4601 struct passwd
*p
= NULL
;
4602 struct group
*g
= NULL
;
4603 const char *nice_name
= NULL
;
4605 switch (perm_type
) {
4606 case ZFS_DELEG_USER_SETS
:
4607 case ZFS_DELEG_USER
:
4608 rid
= atoi(perm_name
);
4611 nice_name
= p
->pw_name
;
4613 case ZFS_DELEG_GROUP_SETS
:
4614 case ZFS_DELEG_GROUP
:
4615 rid
= atoi(perm_name
);
4618 nice_name
= g
->gr_name
;
4624 if (nice_name
!= NULL
)
4626 node
->who_perm
.who_ug_name
,
4630 uu_avl_insert(avl
, node
, idx
);
4633 who_perm
= &node
->who_perm
;
4636 VERIFY3P(who_perm
, !=, NULL
);
4637 (void) parse_who_perm(who_perm
, nvl2
, perm_locality
);
4644 parse_fs_perm_set(fs_perm_set_t
*fspset
, nvlist_t
*nvl
)
4646 nvpair_t
*nvp
= NULL
;
4647 uu_avl_index_t idx
= 0;
4649 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
4650 nvlist_t
*nvl2
= NULL
;
4651 const char *fsname
= nvpair_name(nvp
);
4652 data_type_t type
= nvpair_type(nvp
);
4653 fs_perm_t
*fsperm
= NULL
;
4654 fs_perm_node_t
*node
= safe_malloc(sizeof (fs_perm_node_t
));
4658 fsperm
= &node
->fspn_fsperm
;
4660 VERIFY(DATA_TYPE_NVLIST
== type
);
4662 uu_list_node_init(node
, &node
->fspn_list_node
,
4663 fspset
->fsps_list_pool
);
4665 idx
= uu_list_numnodes(fspset
->fsps_list
);
4666 fs_perm_init(fsperm
, fspset
, fsname
);
4668 if (nvpair_value_nvlist(nvp
, &nvl2
) != 0)
4671 (void) parse_fs_perm(fsperm
, nvl2
);
4673 uu_list_insert(fspset
->fsps_list
, node
, idx
);
4679 static inline const char *
4680 deleg_perm_comment(zfs_deleg_note_t note
)
4682 const char *str
= "";
4687 case ZFS_DELEG_NOTE_ALLOW
:
4688 str
= gettext("Must also have the permission that is being"
4689 "\n\t\t\t\tallowed");
4691 case ZFS_DELEG_NOTE_CLONE
:
4692 str
= gettext("Must also have the 'create' ability and 'mount'"
4693 "\n\t\t\t\tability in the origin file system");
4695 case ZFS_DELEG_NOTE_CREATE
:
4696 str
= gettext("Must also have the 'mount' ability");
4698 case ZFS_DELEG_NOTE_DESTROY
:
4699 str
= gettext("Must also have the 'mount' ability");
4701 case ZFS_DELEG_NOTE_DIFF
:
4702 str
= gettext("Allows lookup of paths within a dataset;"
4703 "\n\t\t\t\tgiven an object number. Ordinary users need this"
4704 "\n\t\t\t\tin order to use zfs diff");
4706 case ZFS_DELEG_NOTE_HOLD
:
4707 str
= gettext("Allows adding a user hold to a snapshot");
4709 case ZFS_DELEG_NOTE_MOUNT
:
4710 str
= gettext("Allows mount/umount of ZFS datasets");
4712 case ZFS_DELEG_NOTE_PROMOTE
:
4713 str
= gettext("Must also have the 'mount'\n\t\t\t\tand"
4714 " 'promote' ability in the origin file system");
4716 case ZFS_DELEG_NOTE_RECEIVE
:
4717 str
= gettext("Must also have the 'mount' and 'create'"
4720 case ZFS_DELEG_NOTE_RELEASE
:
4721 str
= gettext("Allows releasing a user hold which\n\t\t\t\t"
4722 "might destroy the snapshot");
4724 case ZFS_DELEG_NOTE_RENAME
:
4725 str
= gettext("Must also have the 'mount' and 'create'"
4726 "\n\t\t\t\tability in the new parent");
4728 case ZFS_DELEG_NOTE_ROLLBACK
:
4731 case ZFS_DELEG_NOTE_SEND
:
4734 case ZFS_DELEG_NOTE_SHARE
:
4735 str
= gettext("Allows sharing file systems over NFS or SMB"
4736 "\n\t\t\t\tprotocols");
4738 case ZFS_DELEG_NOTE_SNAPSHOT
:
4742 * case ZFS_DELEG_NOTE_VSCAN:
4743 * str = gettext("");
4747 case ZFS_DELEG_NOTE_GROUPQUOTA
:
4748 str
= gettext("Allows accessing any groupquota@... property");
4750 case ZFS_DELEG_NOTE_GROUPUSED
:
4751 str
= gettext("Allows reading any groupused@... property");
4753 case ZFS_DELEG_NOTE_USERPROP
:
4754 str
= gettext("Allows changing any user property");
4756 case ZFS_DELEG_NOTE_USERQUOTA
:
4757 str
= gettext("Allows accessing any userquota@... property");
4759 case ZFS_DELEG_NOTE_USERUSED
:
4760 str
= gettext("Allows reading any userused@... property");
4762 case ZFS_DELEG_NOTE_USEROBJQUOTA
:
4763 str
= gettext("Allows accessing any userobjquota@... property");
4765 case ZFS_DELEG_NOTE_GROUPOBJQUOTA
:
4766 str
= gettext("Allows accessing any \n\t\t\t\t"
4767 "groupobjquota@... property");
4769 case ZFS_DELEG_NOTE_GROUPOBJUSED
:
4770 str
= gettext("Allows reading any groupobjused@... property");
4772 case ZFS_DELEG_NOTE_USEROBJUSED
:
4773 str
= gettext("Allows reading any userobjused@... property");
4791 boolean_t recursive
; /* unallow only */
4792 boolean_t prt_usage
;
4794 boolean_t prt_perms
;
4797 const char *dataset
;
4801 prop_cmp(const void *a
, const void *b
)
4803 const char *str1
= *(const char **)a
;
4804 const char *str2
= *(const char **)b
;
4805 return (strcmp(str1
, str2
));
4809 allow_usage(boolean_t un
, boolean_t requested
, const char *msg
)
4811 const char *opt_desc
[] = {
4812 "-h", gettext("show this help message and exit"),
4813 "-l", gettext("set permission locally"),
4814 "-d", gettext("set permission for descents"),
4815 "-u", gettext("set permission for user"),
4816 "-g", gettext("set permission for group"),
4817 "-e", gettext("set permission for everyone"),
4818 "-c", gettext("set create time permission"),
4819 "-s", gettext("define permission set"),
4821 "-r", gettext("remove permissions recursively"),
4823 size_t unallow_size
= sizeof (opt_desc
) / sizeof (char *);
4824 size_t allow_size
= unallow_size
- 2;
4825 const char *props
[ZFS_NUM_PROPS
];
4828 FILE *fp
= requested
? stdout
: stderr
;
4829 zprop_desc_t
*pdtbl
= zfs_prop_get_table();
4830 const char *fmt
= gettext("%-16s %-14s\t%s\n");
4832 (void) fprintf(fp
, gettext("Usage: %s\n"), get_usage(un
? HELP_UNALLOW
:
4834 (void) fprintf(fp
, gettext("Options:\n"));
4835 for (i
= 0; i
< (un
? unallow_size
: allow_size
); i
+= 2) {
4836 const char *opt
= opt_desc
[i
];
4837 const char *optdsc
= opt_desc
[i
+ 1];
4838 (void) fprintf(fp
, gettext(" %-10s %s\n"), opt
, optdsc
);
4841 (void) fprintf(fp
, gettext("\nThe following permissions are "
4843 (void) fprintf(fp
, fmt
, gettext("NAME"), gettext("TYPE"),
4845 for (i
= 0; i
< ZFS_NUM_DELEG_NOTES
; i
++) {
4846 const char *perm_name
= zfs_deleg_perm_tbl
[i
].z_perm
;
4847 zfs_deleg_note_t perm_note
= zfs_deleg_perm_tbl
[i
].z_note
;
4848 const char *perm_type
= deleg_perm_type(perm_note
);
4849 const char *perm_comment
= deleg_perm_comment(perm_note
);
4850 (void) fprintf(fp
, fmt
, perm_name
, perm_type
, perm_comment
);
4853 for (i
= 0; i
< ZFS_NUM_PROPS
; i
++) {
4854 zprop_desc_t
*pd
= &pdtbl
[i
];
4855 if (pd
->pd_visible
!= B_TRUE
)
4858 if (pd
->pd_attr
== PROP_READONLY
)
4861 props
[count
++] = pd
->pd_name
;
4863 props
[count
] = NULL
;
4865 qsort(props
, count
, sizeof (char *), prop_cmp
);
4867 for (i
= 0; i
< count
; i
++)
4868 (void) fprintf(fp
, fmt
, props
[i
], gettext("property"), "");
4871 (void) fprintf(fp
, gettext("\nzfs: error: %s"), msg
);
4873 exit(requested
? 0 : 2);
4876 static inline const char *
4877 munge_args(int argc
, char **argv
, boolean_t un
, size_t expected_argc
,
4880 if (un
&& argc
== expected_argc
- 1)
4882 else if (argc
== expected_argc
)
4883 *permsp
= argv
[argc
- 2];
4885 allow_usage(un
, B_FALSE
,
4886 gettext("wrong number of parameters\n"));
4888 return (argv
[argc
- 1]);
4892 parse_allow_args(int argc
, char **argv
, boolean_t un
, struct allow_opts
*opts
)
4894 int uge_sum
= opts
->user
+ opts
->group
+ opts
->everyone
;
4895 int csuge_sum
= opts
->create
+ opts
->set
+ uge_sum
;
4896 int ldcsuge_sum
= csuge_sum
+ opts
->local
+ opts
->descend
;
4897 int all_sum
= un
? ldcsuge_sum
+ opts
->recursive
: ldcsuge_sum
;
4900 allow_usage(un
, B_FALSE
,
4901 gettext("-u, -g, and -e are mutually exclusive\n"));
4903 if (opts
->prt_usage
) {
4904 if (argc
== 0 && all_sum
== 0)
4905 allow_usage(un
, B_TRUE
, NULL
);
4912 allow_usage(un
, B_FALSE
,
4913 gettext("invalid options combined with -s\n"));
4915 opts
->dataset
= munge_args(argc
, argv
, un
, 3, &opts
->perms
);
4916 if (argv
[0][0] != '@')
4917 allow_usage(un
, B_FALSE
,
4918 gettext("invalid set name: missing '@' prefix\n"));
4919 opts
->who
= argv
[0];
4920 } else if (opts
->create
) {
4921 if (ldcsuge_sum
> 1)
4922 allow_usage(un
, B_FALSE
,
4923 gettext("invalid options combined with -c\n"));
4924 opts
->dataset
= munge_args(argc
, argv
, un
, 2, &opts
->perms
);
4925 } else if (opts
->everyone
) {
4927 allow_usage(un
, B_FALSE
,
4928 gettext("invalid options combined with -e\n"));
4929 opts
->dataset
= munge_args(argc
, argv
, un
, 2, &opts
->perms
);
4930 } else if (uge_sum
== 0 && argc
> 0 && strcmp(argv
[0], "everyone")
4932 opts
->everyone
= B_TRUE
;
4935 opts
->dataset
= munge_args(argc
, argv
, un
, 2, &opts
->perms
);
4936 } else if (argc
== 1 && !un
) {
4937 opts
->prt_perms
= B_TRUE
;
4938 opts
->dataset
= argv
[argc
-1];
4940 opts
->dataset
= munge_args(argc
, argv
, un
, 3, &opts
->perms
);
4941 opts
->who
= argv
[0];
4944 if (!opts
->local
&& !opts
->descend
) {
4945 opts
->local
= B_TRUE
;
4946 opts
->descend
= B_TRUE
;
4951 store_allow_perm(zfs_deleg_who_type_t type
, boolean_t local
, boolean_t descend
,
4952 const char *who
, char *perms
, nvlist_t
*top_nvl
)
4955 char ld
[2] = { '\0', '\0' };
4956 char who_buf
[MAXNAMELEN
+ 32];
4957 char base_type
= ZFS_DELEG_WHO_UNKNOWN
;
4958 char set_type
= ZFS_DELEG_WHO_UNKNOWN
;
4959 nvlist_t
*base_nvl
= NULL
;
4960 nvlist_t
*set_nvl
= NULL
;
4963 if (nvlist_alloc(&base_nvl
, NV_UNIQUE_NAME
, 0) != 0)
4965 if (nvlist_alloc(&set_nvl
, NV_UNIQUE_NAME
, 0) != 0)
4969 case ZFS_DELEG_NAMED_SET_SETS
:
4970 case ZFS_DELEG_NAMED_SET
:
4971 set_type
= ZFS_DELEG_NAMED_SET_SETS
;
4972 base_type
= ZFS_DELEG_NAMED_SET
;
4973 ld
[0] = ZFS_DELEG_NA
;
4975 case ZFS_DELEG_CREATE_SETS
:
4976 case ZFS_DELEG_CREATE
:
4977 set_type
= ZFS_DELEG_CREATE_SETS
;
4978 base_type
= ZFS_DELEG_CREATE
;
4979 ld
[0] = ZFS_DELEG_NA
;
4981 case ZFS_DELEG_USER_SETS
:
4982 case ZFS_DELEG_USER
:
4983 set_type
= ZFS_DELEG_USER_SETS
;
4984 base_type
= ZFS_DELEG_USER
;
4986 ld
[0] = ZFS_DELEG_LOCAL
;
4988 ld
[1] = ZFS_DELEG_DESCENDENT
;
4990 case ZFS_DELEG_GROUP_SETS
:
4991 case ZFS_DELEG_GROUP
:
4992 set_type
= ZFS_DELEG_GROUP_SETS
;
4993 base_type
= ZFS_DELEG_GROUP
;
4995 ld
[0] = ZFS_DELEG_LOCAL
;
4997 ld
[1] = ZFS_DELEG_DESCENDENT
;
4999 case ZFS_DELEG_EVERYONE_SETS
:
5000 case ZFS_DELEG_EVERYONE
:
5001 set_type
= ZFS_DELEG_EVERYONE_SETS
;
5002 base_type
= ZFS_DELEG_EVERYONE
;
5004 ld
[0] = ZFS_DELEG_LOCAL
;
5006 ld
[1] = ZFS_DELEG_DESCENDENT
;
5011 if (perms
!= NULL
) {
5013 char *end
= curr
+ strlen(perms
);
5015 while (curr
< end
) {
5016 char *delim
= strchr(curr
, ',');
5027 (void) nvlist_add_boolean(nvl
, curr
);
5033 for (i
= 0; i
< 2; i
++) {
5034 char locality
= ld
[i
];
5038 if (!nvlist_empty(base_nvl
)) {
5040 (void) snprintf(who_buf
,
5041 sizeof (who_buf
), "%c%c$%s",
5042 base_type
, locality
, who
);
5044 (void) snprintf(who_buf
,
5045 sizeof (who_buf
), "%c%c$",
5046 base_type
, locality
);
5048 (void) nvlist_add_nvlist(top_nvl
, who_buf
,
5053 if (!nvlist_empty(set_nvl
)) {
5055 (void) snprintf(who_buf
,
5056 sizeof (who_buf
), "%c%c$%s",
5057 set_type
, locality
, who
);
5059 (void) snprintf(who_buf
,
5060 sizeof (who_buf
), "%c%c$",
5061 set_type
, locality
);
5063 (void) nvlist_add_nvlist(top_nvl
, who_buf
,
5068 for (i
= 0; i
< 2; i
++) {
5069 char locality
= ld
[i
];
5074 (void) snprintf(who_buf
, sizeof (who_buf
),
5075 "%c%c$%s", base_type
, locality
, who
);
5077 (void) snprintf(who_buf
, sizeof (who_buf
),
5078 "%c%c$", base_type
, locality
);
5079 (void) nvlist_add_boolean(top_nvl
, who_buf
);
5082 (void) snprintf(who_buf
, sizeof (who_buf
),
5083 "%c%c$%s", set_type
, locality
, who
);
5085 (void) snprintf(who_buf
, sizeof (who_buf
),
5086 "%c%c$", set_type
, locality
);
5087 (void) nvlist_add_boolean(top_nvl
, who_buf
);
5093 construct_fsacl_list(boolean_t un
, struct allow_opts
*opts
, nvlist_t
**nvlp
)
5095 if (nvlist_alloc(nvlp
, NV_UNIQUE_NAME
, 0) != 0)
5099 store_allow_perm(ZFS_DELEG_NAMED_SET
, opts
->local
,
5100 opts
->descend
, opts
->who
, opts
->perms
, *nvlp
);
5101 } else if (opts
->create
) {
5102 store_allow_perm(ZFS_DELEG_CREATE
, opts
->local
,
5103 opts
->descend
, NULL
, opts
->perms
, *nvlp
);
5104 } else if (opts
->everyone
) {
5105 store_allow_perm(ZFS_DELEG_EVERYONE
, opts
->local
,
5106 opts
->descend
, NULL
, opts
->perms
, *nvlp
);
5108 char *curr
= opts
->who
;
5109 char *end
= curr
+ strlen(curr
);
5111 while (curr
< end
) {
5113 zfs_deleg_who_type_t who_type
= ZFS_DELEG_WHO_UNKNOWN
;
5115 char *delim
= strchr(curr
, ',');
5118 struct passwd
*p
= NULL
;
5119 struct group
*g
= NULL
;
5127 rid
= (uid_t
)strtol(curr
, &endch
, 0);
5129 who_type
= ZFS_DELEG_USER
;
5138 (void) snprintf(errbuf
, 256, gettext(
5139 "invalid user %s"), curr
);
5140 allow_usage(un
, B_TRUE
, errbuf
);
5142 } else if (opts
->group
) {
5143 who_type
= ZFS_DELEG_GROUP
;
5152 (void) snprintf(errbuf
, 256, gettext(
5153 "invalid group %s"), curr
);
5154 allow_usage(un
, B_TRUE
, errbuf
);
5157 if (*endch
!= '\0') {
5164 if (*endch
!= '\0') {
5172 who_type
= ZFS_DELEG_USER
;
5174 } else if (g
!= NULL
) {
5175 who_type
= ZFS_DELEG_GROUP
;
5178 (void) snprintf(errbuf
, 256, gettext(
5179 "invalid user/group %s"), curr
);
5180 allow_usage(un
, B_TRUE
, errbuf
);
5184 (void) sprintf(id
, "%u", rid
);
5187 store_allow_perm(who_type
, opts
->local
,
5188 opts
->descend
, who
, opts
->perms
, *nvlp
);
5197 print_set_creat_perms(uu_avl_t
*who_avl
)
5199 const char *sc_title
[] = {
5200 gettext("Permission sets:\n"),
5201 gettext("Create time permissions:\n"),
5204 const char **title_ptr
= sc_title
;
5205 who_perm_node_t
*who_node
= NULL
;
5206 int prev_weight
= -1;
5208 for (who_node
= uu_avl_first(who_avl
); who_node
!= NULL
;
5209 who_node
= uu_avl_next(who_avl
, who_node
)) {
5210 uu_avl_t
*avl
= who_node
->who_perm
.who_deleg_perm_avl
;
5211 zfs_deleg_who_type_t who_type
= who_node
->who_perm
.who_type
;
5212 const char *who_name
= who_node
->who_perm
.who_name
;
5213 int weight
= who_type2weight(who_type
);
5214 boolean_t first
= B_TRUE
;
5215 deleg_perm_node_t
*deleg_node
;
5217 if (prev_weight
!= weight
) {
5218 (void) printf("%s", *title_ptr
++);
5219 prev_weight
= weight
;
5222 if (who_name
== NULL
|| strnlen(who_name
, 1) == 0)
5223 (void) printf("\t");
5225 (void) printf("\t%s ", who_name
);
5227 for (deleg_node
= uu_avl_first(avl
); deleg_node
!= NULL
;
5228 deleg_node
= uu_avl_next(avl
, deleg_node
)) {
5231 deleg_node
->dpn_perm
.dp_name
);
5234 (void) printf(",%s",
5235 deleg_node
->dpn_perm
.dp_name
);
5238 (void) printf("\n");
5243 print_uge_deleg_perms(uu_avl_t
*who_avl
, boolean_t local
, boolean_t descend
,
5246 who_perm_node_t
*who_node
= NULL
;
5247 boolean_t prt_title
= B_TRUE
;
5248 uu_avl_walk_t
*walk
;
5250 if ((walk
= uu_avl_walk_start(who_avl
, UU_WALK_ROBUST
)) == NULL
)
5253 while ((who_node
= uu_avl_walk_next(walk
)) != NULL
) {
5254 const char *who_name
= who_node
->who_perm
.who_name
;
5255 const char *nice_who_name
= who_node
->who_perm
.who_ug_name
;
5256 uu_avl_t
*avl
= who_node
->who_perm
.who_deleg_perm_avl
;
5257 zfs_deleg_who_type_t who_type
= who_node
->who_perm
.who_type
;
5259 deleg_perm_node_t
*deleg_node
;
5260 boolean_t prt_who
= B_TRUE
;
5262 for (deleg_node
= uu_avl_first(avl
);
5264 deleg_node
= uu_avl_next(avl
, deleg_node
)) {
5265 if (local
!= deleg_node
->dpn_perm
.dp_local
||
5266 descend
!= deleg_node
->dpn_perm
.dp_descend
)
5270 const char *who
= NULL
;
5272 prt_title
= B_FALSE
;
5273 (void) printf("%s", title
);
5277 case ZFS_DELEG_USER_SETS
:
5278 case ZFS_DELEG_USER
:
5279 who
= gettext("user");
5281 who_name
= nice_who_name
;
5283 case ZFS_DELEG_GROUP_SETS
:
5284 case ZFS_DELEG_GROUP
:
5285 who
= gettext("group");
5287 who_name
= nice_who_name
;
5289 case ZFS_DELEG_EVERYONE_SETS
:
5290 case ZFS_DELEG_EVERYONE
:
5291 who
= gettext("everyone");
5298 if (who_name
== NULL
)
5299 (void) printf("\t%s", who
);
5301 (void) printf("\t%s %s", who
, who_name
);
5304 (void) printf("%c%s", delim
,
5305 deleg_node
->dpn_perm
.dp_name
);
5310 (void) printf("\n");
5313 uu_avl_walk_end(walk
);
5317 print_fs_perms(fs_perm_set_t
*fspset
)
5319 fs_perm_node_t
*node
= NULL
;
5320 char buf
[MAXNAMELEN
+ 32];
5321 const char *dsname
= buf
;
5323 for (node
= uu_list_first(fspset
->fsps_list
); node
!= NULL
;
5324 node
= uu_list_next(fspset
->fsps_list
, node
)) {
5325 uu_avl_t
*sc_avl
= node
->fspn_fsperm
.fsp_sc_avl
;
5326 uu_avl_t
*uge_avl
= node
->fspn_fsperm
.fsp_uge_avl
;
5329 (void) snprintf(buf
, sizeof (buf
),
5330 gettext("---- Permissions on %s "),
5331 node
->fspn_fsperm
.fsp_name
);
5332 (void) printf("%s", dsname
);
5333 left
= 70 - strlen(buf
);
5336 (void) printf("\n");
5338 print_set_creat_perms(sc_avl
);
5339 print_uge_deleg_perms(uge_avl
, B_TRUE
, B_FALSE
,
5340 gettext("Local permissions:\n"));
5341 print_uge_deleg_perms(uge_avl
, B_FALSE
, B_TRUE
,
5342 gettext("Descendent permissions:\n"));
5343 print_uge_deleg_perms(uge_avl
, B_TRUE
, B_TRUE
,
5344 gettext("Local+Descendent permissions:\n"));
5348 static fs_perm_set_t fs_perm_set
= { NULL
, NULL
, NULL
, NULL
};
5350 struct deleg_perms
{
5356 set_deleg_perms(zfs_handle_t
*zhp
, void *data
)
5358 struct deleg_perms
*perms
= (struct deleg_perms
*)data
;
5359 zfs_type_t zfs_type
= zfs_get_type(zhp
);
5361 if (zfs_type
!= ZFS_TYPE_FILESYSTEM
&& zfs_type
!= ZFS_TYPE_VOLUME
)
5364 return (zfs_set_fsacl(zhp
, perms
->un
, perms
->nvl
));
5368 zfs_do_allow_unallow_impl(int argc
, char **argv
, boolean_t un
)
5371 nvlist_t
*perm_nvl
= NULL
;
5372 nvlist_t
*update_perm_nvl
= NULL
;
5375 struct allow_opts opts
= { 0 };
5377 const char *optstr
= un
? "ldugecsrh" : "ldugecsh";
5380 while ((c
= getopt(argc
, argv
, optstr
)) != -1) {
5383 opts
.local
= B_TRUE
;
5386 opts
.descend
= B_TRUE
;
5392 opts
.group
= B_TRUE
;
5395 opts
.everyone
= B_TRUE
;
5401 opts
.create
= B_TRUE
;
5404 opts
.recursive
= B_TRUE
;
5407 (void) fprintf(stderr
, gettext("missing argument for "
5408 "'%c' option\n"), optopt
);
5412 opts
.prt_usage
= B_TRUE
;
5415 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
5424 /* check arguments */
5425 parse_allow_args(argc
, argv
, un
, &opts
);
5427 /* try to open the dataset */
5428 if ((zhp
= zfs_open(g_zfs
, opts
.dataset
, ZFS_TYPE_FILESYSTEM
|
5429 ZFS_TYPE_VOLUME
)) == NULL
) {
5430 (void) fprintf(stderr
, "Failed to open dataset: %s\n",
5435 if (zfs_get_fsacl(zhp
, &perm_nvl
) != 0)
5438 fs_perm_set_init(&fs_perm_set
);
5439 if (parse_fs_perm_set(&fs_perm_set
, perm_nvl
) != 0) {
5440 (void) fprintf(stderr
, "Failed to parse fsacl permissions\n");
5445 print_fs_perms(&fs_perm_set
);
5447 (void) construct_fsacl_list(un
, &opts
, &update_perm_nvl
);
5448 if (zfs_set_fsacl(zhp
, un
, update_perm_nvl
) != 0)
5451 if (un
&& opts
.recursive
) {
5452 struct deleg_perms data
= { un
, update_perm_nvl
};
5453 if (zfs_iter_filesystems(zhp
, set_deleg_perms
,
5462 nvlist_free(perm_nvl
);
5463 nvlist_free(update_perm_nvl
);
5465 fs_perm_set_fini(&fs_perm_set
);
5473 zfs_do_allow(int argc
, char **argv
)
5475 return (zfs_do_allow_unallow_impl(argc
, argv
, B_FALSE
));
5479 zfs_do_unallow(int argc
, char **argv
)
5481 return (zfs_do_allow_unallow_impl(argc
, argv
, B_TRUE
));
5485 zfs_do_hold_rele_impl(int argc
, char **argv
, boolean_t holding
)
5490 boolean_t recursive
= B_FALSE
;
5491 const char *opts
= holding
? "rt" : "r";
5495 while ((c
= getopt(argc
, argv
, opts
)) != -1) {
5501 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
5510 /* check number of arguments */
5518 if (holding
&& tag
[0] == '.') {
5519 /* tags starting with '.' are reserved for libzfs */
5520 (void) fprintf(stderr
, gettext("tag may not start with '.'\n"));
5524 for (i
= 0; i
< argc
; ++i
) {
5526 char parent
[ZFS_MAX_DATASET_NAME_LEN
];
5528 char *path
= argv
[i
];
5530 delim
= strchr(path
, '@');
5531 if (delim
== NULL
) {
5532 (void) fprintf(stderr
,
5533 gettext("'%s' is not a snapshot\n"), path
);
5537 (void) strncpy(parent
, path
, delim
- path
);
5538 parent
[delim
- path
] = '\0';
5540 zhp
= zfs_open(g_zfs
, parent
,
5541 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
);
5547 if (zfs_hold(zhp
, delim
+1, tag
, recursive
, -1) != 0)
5550 if (zfs_release(zhp
, delim
+1, tag
, recursive
) != 0)
5556 return (errors
!= 0);
5560 * zfs hold [-r] [-t] <tag> <snap> ...
5562 * -r Recursively hold
5564 * Apply a user-hold with the given tag to the list of snapshots.
5567 zfs_do_hold(int argc
, char **argv
)
5569 return (zfs_do_hold_rele_impl(argc
, argv
, B_TRUE
));
5573 * zfs release [-r] <tag> <snap> ...
5575 * -r Recursively release
5577 * Release a user-hold with the given tag from the list of snapshots.
5580 zfs_do_release(int argc
, char **argv
)
5582 return (zfs_do_hold_rele_impl(argc
, argv
, B_FALSE
));
5585 typedef struct holds_cbdata
{
5586 boolean_t cb_recursive
;
5587 const char *cb_snapname
;
5589 size_t cb_max_namelen
;
5590 size_t cb_max_taglen
;
5593 #define STRFTIME_FMT_STR "%a %b %e %k:%M %Y"
5594 #define DATETIME_BUF_LEN (32)
5599 print_holds(boolean_t scripted
, int nwidth
, int tagwidth
, nvlist_t
*nvl
)
5602 nvpair_t
*nvp
= NULL
;
5603 char *hdr_cols
[] = { "NAME", "TAG", "TIMESTAMP" };
5607 for (i
= 0; i
< 3; i
++) {
5608 col
= gettext(hdr_cols
[i
]);
5610 (void) printf("%-*s ", i
? tagwidth
: nwidth
,
5613 (void) printf("%s\n", col
);
5617 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
5618 char *zname
= nvpair_name(nvp
);
5620 nvpair_t
*nvp2
= NULL
;
5621 (void) nvpair_value_nvlist(nvp
, &nvl2
);
5622 while ((nvp2
= nvlist_next_nvpair(nvl2
, nvp2
)) != NULL
) {
5623 char tsbuf
[DATETIME_BUF_LEN
];
5624 char *tagname
= nvpair_name(nvp2
);
5628 char sep
= scripted
? '\t' : ' ';
5629 int sepnum
= scripted
? 1 : 2;
5631 (void) nvpair_value_uint64(nvp2
, &val
);
5633 (void) localtime_r(&time
, &t
);
5634 (void) strftime(tsbuf
, DATETIME_BUF_LEN
,
5635 gettext(STRFTIME_FMT_STR
), &t
);
5637 (void) printf("%-*s%*c%-*s%*c%s\n", nwidth
, zname
,
5638 sepnum
, sep
, tagwidth
, tagname
, sepnum
, sep
, tsbuf
);
5644 * Generic callback function to list a dataset or snapshot.
5647 holds_callback(zfs_handle_t
*zhp
, void *data
)
5649 holds_cbdata_t
*cbp
= data
;
5650 nvlist_t
*top_nvl
= *cbp
->cb_nvlp
;
5651 nvlist_t
*nvl
= NULL
;
5652 nvpair_t
*nvp
= NULL
;
5653 const char *zname
= zfs_get_name(zhp
);
5654 size_t znamelen
= strlen(zname
);
5656 if (cbp
->cb_recursive
) {
5657 const char *snapname
;
5658 char *delim
= strchr(zname
, '@');
5662 snapname
= delim
+ 1;
5663 if (strcmp(cbp
->cb_snapname
, snapname
))
5667 if (zfs_get_holds(zhp
, &nvl
) != 0)
5670 if (znamelen
> cbp
->cb_max_namelen
)
5671 cbp
->cb_max_namelen
= znamelen
;
5673 while ((nvp
= nvlist_next_nvpair(nvl
, nvp
)) != NULL
) {
5674 const char *tag
= nvpair_name(nvp
);
5675 size_t taglen
= strlen(tag
);
5676 if (taglen
> cbp
->cb_max_taglen
)
5677 cbp
->cb_max_taglen
= taglen
;
5680 return (nvlist_add_nvlist(top_nvl
, zname
, nvl
));
5684 * zfs holds [-r] <snap> ...
5686 * -r Recursively hold
5689 zfs_do_holds(int argc
, char **argv
)
5694 boolean_t scripted
= B_FALSE
;
5695 boolean_t recursive
= B_FALSE
;
5696 const char *opts
= "rH";
5699 int types
= ZFS_TYPE_SNAPSHOT
;
5700 holds_cbdata_t cb
= { 0 };
5707 while ((c
= getopt(argc
, argv
, opts
)) != -1) {
5716 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
5723 types
|= ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
;
5724 flags
|= ZFS_ITER_RECURSE
;
5730 /* check number of arguments */
5734 if (nvlist_alloc(&nvl
, NV_UNIQUE_NAME
, 0) != 0)
5737 for (i
= 0; i
< argc
; ++i
) {
5738 char *snapshot
= argv
[i
];
5740 const char *snapname
;
5742 delim
= strchr(snapshot
, '@');
5743 if (delim
== NULL
) {
5744 (void) fprintf(stderr
,
5745 gettext("'%s' is not a snapshot\n"), snapshot
);
5749 snapname
= delim
+ 1;
5751 snapshot
[delim
- snapshot
] = '\0';
5753 cb
.cb_recursive
= recursive
;
5754 cb
.cb_snapname
= snapname
;
5758 * 1. collect holds data, set format options
5760 ret
= zfs_for_each(argc
, argv
, flags
, types
, NULL
, NULL
, limit
,
5761 holds_callback
, &cb
);
5767 * 2. print holds data
5769 print_holds(scripted
, cb
.cb_max_namelen
, cb
.cb_max_taglen
, nvl
);
5771 if (nvlist_empty(nvl
))
5772 (void) fprintf(stderr
, gettext("no datasets available\n"));
5776 return (0 != errors
);
5779 #define CHECK_SPINNER 30
5780 #define SPINNER_TIME 3 /* seconds */
5781 #define MOUNT_TIME 5 /* seconds */
5784 get_one_dataset(zfs_handle_t
*zhp
, void *data
)
5786 static char *spin
[] = { "-", "\\", "|", "/" };
5787 static int spinval
= 0;
5788 static int spincheck
= 0;
5789 static time_t last_spin_time
= (time_t)0;
5790 get_all_cb_t
*cbp
= data
;
5791 zfs_type_t type
= zfs_get_type(zhp
);
5793 if (cbp
->cb_verbose
) {
5794 if (--spincheck
< 0) {
5795 time_t now
= time(NULL
);
5796 if (last_spin_time
+ SPINNER_TIME
< now
) {
5797 update_progress(spin
[spinval
++ % 4]);
5798 last_spin_time
= now
;
5800 spincheck
= CHECK_SPINNER
;
5805 * Iterate over any nested datasets.
5807 if (zfs_iter_filesystems(zhp
, get_one_dataset
, data
) != 0) {
5813 * Skip any datasets whose type does not match.
5815 if ((type
& ZFS_TYPE_FILESYSTEM
) == 0) {
5819 libzfs_add_handle(cbp
, zhp
);
5820 assert(cbp
->cb_used
<= cbp
->cb_alloc
);
5826 get_all_datasets(zfs_handle_t
***dslist
, size_t *count
, boolean_t verbose
)
5828 get_all_cb_t cb
= { 0 };
5829 cb
.cb_verbose
= verbose
;
5830 cb
.cb_getone
= get_one_dataset
;
5833 set_progress_header(gettext("Reading ZFS config"));
5834 (void) zfs_iter_root(g_zfs
, get_one_dataset
, &cb
);
5836 *dslist
= cb
.cb_handles
;
5837 *count
= cb
.cb_used
;
5840 finish_progress(gettext("done."));
5844 * Generic callback for sharing or mounting filesystems. Because the code is so
5845 * similar, we have a common function with an extra parameter to determine which
5846 * mode we are using.
5848 #define OP_SHARE 0x1
5849 #define OP_MOUNT 0x2
5852 * Share or mount a dataset.
5855 share_mount_one(zfs_handle_t
*zhp
, int op
, int flags
, char *protocol
,
5856 boolean_t
explicit, const char *options
)
5858 char mountpoint
[ZFS_MAXPROPLEN
];
5859 char shareopts
[ZFS_MAXPROPLEN
];
5860 char smbshareopts
[ZFS_MAXPROPLEN
];
5861 const char *cmdname
= op
== OP_SHARE
? "share" : "mount";
5863 uint64_t zoned
, canmount
;
5864 boolean_t shared_nfs
, shared_smb
;
5866 assert(zfs_get_type(zhp
) & ZFS_TYPE_FILESYSTEM
);
5869 * Check to make sure we can mount/share this dataset. If we
5870 * are in the global zone and the filesystem is exported to a
5871 * local zone, or if we are in a local zone and the
5872 * filesystem is not exported, then it is an error.
5874 zoned
= zfs_prop_get_int(zhp
, ZFS_PROP_ZONED
);
5876 if (zoned
&& getzoneid() == GLOBAL_ZONEID
) {
5880 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5881 "dataset is exported to a local zone\n"), cmdname
,
5885 } else if (!zoned
&& getzoneid() != GLOBAL_ZONEID
) {
5889 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5890 "permission denied\n"), cmdname
,
5896 * Ignore any filesystems which don't apply to us. This
5897 * includes those with a legacy mountpoint, or those with
5898 * legacy share options.
5900 verify(zfs_prop_get(zhp
, ZFS_PROP_MOUNTPOINT
, mountpoint
,
5901 sizeof (mountpoint
), NULL
, NULL
, 0, B_FALSE
) == 0);
5902 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
, shareopts
,
5903 sizeof (shareopts
), NULL
, NULL
, 0, B_FALSE
) == 0);
5904 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
, smbshareopts
,
5905 sizeof (smbshareopts
), NULL
, NULL
, 0, B_FALSE
) == 0);
5907 if (op
== OP_SHARE
&& strcmp(shareopts
, "off") == 0 &&
5908 strcmp(smbshareopts
, "off") == 0) {
5912 (void) fprintf(stderr
, gettext("cannot share '%s': "
5913 "legacy share\n"), zfs_get_name(zhp
));
5914 (void) fprintf(stderr
, gettext("use share(1M) to "
5915 "share this filesystem, or set "
5916 "sharenfs property on\n"));
5921 * We cannot share or mount legacy filesystems. If the
5922 * shareopts is non-legacy but the mountpoint is legacy, we
5923 * treat it as a legacy share.
5925 if (strcmp(mountpoint
, "legacy") == 0) {
5929 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5930 "legacy mountpoint\n"), cmdname
, zfs_get_name(zhp
));
5931 (void) fprintf(stderr
, gettext("use %s(1M) to "
5932 "%s this filesystem\n"), cmdname
, cmdname
);
5936 if (strcmp(mountpoint
, "none") == 0) {
5940 (void) fprintf(stderr
, gettext("cannot %s '%s': no "
5941 "mountpoint set\n"), cmdname
, zfs_get_name(zhp
));
5946 * canmount explicit outcome
5947 * on no pass through
5948 * on yes pass through
5950 * off yes display error, return 1
5951 * noauto no return 0
5952 * noauto yes pass through
5954 canmount
= zfs_prop_get_int(zhp
, ZFS_PROP_CANMOUNT
);
5955 if (canmount
== ZFS_CANMOUNT_OFF
) {
5959 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5960 "'canmount' property is set to 'off'\n"), cmdname
,
5963 } else if (canmount
== ZFS_CANMOUNT_NOAUTO
&& !explicit) {
5968 * If this filesystem is inconsistent and has a receive resume
5969 * token, we can not mount it.
5971 if (zfs_prop_get_int(zhp
, ZFS_PROP_INCONSISTENT
) &&
5972 zfs_prop_get(zhp
, ZFS_PROP_RECEIVE_RESUME_TOKEN
,
5973 NULL
, 0, NULL
, NULL
, 0, B_TRUE
) == 0) {
5977 (void) fprintf(stderr
, gettext("cannot %s '%s': "
5978 "Contains partially-completed state from "
5979 "\"zfs receive -r\", which can be resumed with "
5980 "\"zfs send -t\"\n"),
5981 cmdname
, zfs_get_name(zhp
));
5986 * At this point, we have verified that the mountpoint and/or
5987 * shareopts are appropriate for auto management. If the
5988 * filesystem is already mounted or shared, return (failing
5989 * for explicit requests); otherwise mount or share the
5995 shared_nfs
= zfs_is_shared_nfs(zhp
, NULL
);
5996 shared_smb
= zfs_is_shared_smb(zhp
, NULL
);
5998 if ((shared_nfs
&& shared_smb
) ||
5999 ((shared_nfs
&& strcmp(shareopts
, "on") == 0) &&
6000 (strcmp(smbshareopts
, "off") == 0)) ||
6001 ((shared_smb
&& strcmp(smbshareopts
, "on") == 0) &&
6002 (strcmp(shareopts
, "off") == 0))) {
6006 (void) fprintf(stderr
, gettext("cannot share "
6007 "'%s': filesystem already shared\n"),
6012 if (!zfs_is_mounted(zhp
, NULL
) &&
6013 zfs_mount(zhp
, NULL
, 0) != 0)
6016 if (protocol
== NULL
) {
6017 if (zfs_shareall(zhp
) != 0)
6019 } else if (strcmp(protocol
, "nfs") == 0) {
6020 if (zfs_share_nfs(zhp
))
6022 } else if (strcmp(protocol
, "smb") == 0) {
6023 if (zfs_share_smb(zhp
))
6026 (void) fprintf(stderr
, gettext("cannot share "
6027 "'%s': invalid share type '%s' "
6029 zfs_get_name(zhp
), protocol
);
6036 if (options
== NULL
)
6037 mnt
.mnt_mntopts
= "";
6039 mnt
.mnt_mntopts
= (char *)options
;
6041 if (!hasmntopt(&mnt
, MNTOPT_REMOUNT
) &&
6042 zfs_is_mounted(zhp
, NULL
)) {
6046 (void) fprintf(stderr
, gettext("cannot mount "
6047 "'%s': filesystem already mounted\n"),
6052 if (zfs_mount(zhp
, options
, flags
) != 0)
6061 * Reports progress in the form "(current/total)". Not thread-safe.
6064 report_mount_progress(int current
, int total
)
6066 static time_t last_progress_time
= 0;
6067 time_t now
= time(NULL
);
6070 /* report 1..n instead of 0..n-1 */
6073 /* display header if we're here for the first time */
6075 set_progress_header(gettext("Mounting ZFS filesystems"));
6076 } else if (current
!= total
&& last_progress_time
+ MOUNT_TIME
>= now
) {
6077 /* too soon to report again */
6081 last_progress_time
= now
;
6083 (void) sprintf(info
, "(%d/%d)", current
, total
);
6085 if (current
== total
)
6086 finish_progress(info
);
6088 update_progress(info
);
6092 append_options(char *mntopts
, char *newopts
)
6094 int len
= strlen(mntopts
);
6096 /* original length plus new string to append plus 1 for the comma */
6097 if (len
+ 1 + strlen(newopts
) >= MNT_LINE_MAX
) {
6098 (void) fprintf(stderr
, gettext("the opts argument for "
6099 "'%s' option is too long (more than %d chars)\n"),
6100 "-o", MNT_LINE_MAX
);
6105 mntopts
[len
++] = ',';
6107 (void) strcpy(&mntopts
[len
], newopts
);
6111 share_mount(int op
, int argc
, char **argv
)
6114 boolean_t verbose
= B_FALSE
;
6116 char *options
= NULL
;
6120 while ((c
= getopt(argc
, argv
, op
== OP_MOUNT
? ":avo:O" : "a"))
6130 if (*optarg
== '\0') {
6131 (void) fprintf(stderr
, gettext("empty mount "
6132 "options (-o) specified\n"));
6136 if (options
== NULL
)
6137 options
= safe_malloc(MNT_LINE_MAX
+ 1);
6139 /* option validation is done later */
6140 append_options(options
, optarg
);
6143 flags
|= MS_OVERLAY
;
6146 (void) fprintf(stderr
, gettext("missing argument for "
6147 "'%c' option\n"), optopt
);
6151 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
6160 /* check number of arguments */
6162 zfs_handle_t
**dslist
= NULL
;
6163 size_t i
, count
= 0;
6164 char *protocol
= NULL
;
6166 if (op
== OP_SHARE
&& argc
> 0) {
6167 if (strcmp(argv
[0], "nfs") != 0 &&
6168 strcmp(argv
[0], "smb") != 0) {
6169 (void) fprintf(stderr
, gettext("share type "
6170 "must be 'nfs' or 'smb'\n"));
6179 (void) fprintf(stderr
, gettext("too many arguments\n"));
6183 start_progress_timer();
6184 get_all_datasets(&dslist
, &count
, verbose
);
6187 if (options
!= NULL
)
6192 qsort(dslist
, count
, sizeof (void *), libzfs_dataset_cmp
);
6194 for (i
= 0; i
< count
; i
++) {
6196 report_mount_progress(i
, count
);
6198 if (share_mount_one(dslist
[i
], op
, flags
, protocol
,
6199 B_FALSE
, options
) != 0)
6201 zfs_close(dslist
[i
]);
6205 } else if (argc
== 0) {
6206 struct mnttab entry
;
6208 if ((op
== OP_SHARE
) || (options
!= NULL
)) {
6209 (void) fprintf(stderr
, gettext("missing filesystem "
6210 "argument (specify -a for all)\n"));
6215 * When mount is given no arguments, go through
6216 * /proc/self/mounts and display any active ZFS mounts.
6217 * We hide any snapshots, since they are controlled
6221 /* Reopen MNTTAB to prevent reading stale data from open file */
6222 if (freopen(MNTTAB
, "r", mnttab_file
) == NULL
) {
6223 if (options
!= NULL
)
6228 while (getmntent(mnttab_file
, &entry
) == 0) {
6229 if (strcmp(entry
.mnt_fstype
, MNTTYPE_ZFS
) != 0 ||
6230 strchr(entry
.mnt_special
, '@') != NULL
)
6233 (void) printf("%-30s %s\n", entry
.mnt_special
,
6241 (void) fprintf(stderr
,
6242 gettext("too many arguments\n"));
6246 if ((zhp
= zfs_open(g_zfs
, argv
[0],
6247 ZFS_TYPE_FILESYSTEM
)) == NULL
) {
6250 ret
= share_mount_one(zhp
, op
, flags
, NULL
, B_TRUE
,
6256 if (options
!= NULL
)
6263 * zfs mount -a [nfs]
6264 * zfs mount filesystem
6266 * Mount all filesystems, or mount the given filesystem.
6269 zfs_do_mount(int argc
, char **argv
)
6271 return (share_mount(OP_MOUNT
, argc
, argv
));
6275 * zfs share -a [nfs | smb]
6276 * zfs share filesystem
6278 * Share all filesystems, or share the given filesystem.
6281 zfs_do_share(int argc
, char **argv
)
6283 return (share_mount(OP_SHARE
, argc
, argv
));
6286 typedef struct unshare_unmount_node
{
6287 zfs_handle_t
*un_zhp
;
6289 uu_avl_node_t un_avlnode
;
6290 } unshare_unmount_node_t
;
6294 unshare_unmount_compare(const void *larg
, const void *rarg
, void *unused
)
6296 const unshare_unmount_node_t
*l
= larg
;
6297 const unshare_unmount_node_t
*r
= rarg
;
6299 return (strcmp(l
->un_mountp
, r
->un_mountp
));
6303 * Convenience routine used by zfs_do_umount() and manual_unmount(). Given an
6304 * absolute path, find the entry /proc/self/mounts, verify that its a
6305 * ZFS filesystems, and unmount it appropriately.
6308 unshare_unmount_path(int op
, char *path
, int flags
, boolean_t is_manual
)
6312 struct stat64 statbuf
;
6313 struct extmnttab entry
;
6314 const char *cmdname
= (op
== OP_SHARE
) ? "unshare" : "unmount";
6318 * Search for the path in /proc/self/mounts. Rather than looking for the
6319 * specific path, which can be fooled by non-standard paths (i.e. ".."
6320 * or "//"), we stat() the path and search for the corresponding
6321 * (major,minor) device pair.
6323 if (stat64(path
, &statbuf
) != 0) {
6324 (void) fprintf(stderr
, gettext("cannot %s '%s': %s\n"),
6325 cmdname
, path
, strerror(errno
));
6328 path_inode
= statbuf
.st_ino
;
6331 * Search for the given (major,minor) pair in the mount table.
6334 /* Reopen MNTTAB to prevent reading stale data from open file */
6335 if (freopen(MNTTAB
, "r", mnttab_file
) == NULL
)
6338 while ((ret
= getextmntent(mnttab_file
, &entry
, 0)) == 0) {
6339 if (entry
.mnt_major
== major(statbuf
.st_dev
) &&
6340 entry
.mnt_minor
== minor(statbuf
.st_dev
))
6344 if (op
== OP_SHARE
) {
6345 (void) fprintf(stderr
, gettext("cannot %s '%s': not "
6346 "currently mounted\n"), cmdname
, path
);
6349 (void) fprintf(stderr
, gettext("warning: %s not in"
6350 "/proc/self/mounts\n"), path
);
6351 if ((ret
= umount2(path
, flags
)) != 0)
6352 (void) fprintf(stderr
, gettext("%s: %s\n"), path
,
6357 if (strcmp(entry
.mnt_fstype
, MNTTYPE_ZFS
) != 0) {
6358 (void) fprintf(stderr
, gettext("cannot %s '%s': not a ZFS "
6359 "filesystem\n"), cmdname
, path
);
6363 if ((zhp
= zfs_open(g_zfs
, entry
.mnt_special
,
6364 ZFS_TYPE_FILESYSTEM
)) == NULL
)
6368 if (stat64(entry
.mnt_mountp
, &statbuf
) != 0) {
6369 (void) fprintf(stderr
, gettext("cannot %s '%s': %s\n"),
6370 cmdname
, path
, strerror(errno
));
6372 } else if (statbuf
.st_ino
!= path_inode
) {
6373 (void) fprintf(stderr
, gettext("cannot "
6374 "%s '%s': not a mountpoint\n"), cmdname
, path
);
6378 if (op
== OP_SHARE
) {
6379 char nfs_mnt_prop
[ZFS_MAXPROPLEN
];
6380 char smbshare_prop
[ZFS_MAXPROPLEN
];
6382 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
, nfs_mnt_prop
,
6383 sizeof (nfs_mnt_prop
), NULL
, NULL
, 0, B_FALSE
) == 0);
6384 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
, smbshare_prop
,
6385 sizeof (smbshare_prop
), NULL
, NULL
, 0, B_FALSE
) == 0);
6387 if (strcmp(nfs_mnt_prop
, "off") == 0 &&
6388 strcmp(smbshare_prop
, "off") == 0) {
6389 (void) fprintf(stderr
, gettext("cannot unshare "
6390 "'%s': legacy share\n"), path
);
6391 (void) fprintf(stderr
, gettext("use exportfs(8) "
6392 "or smbcontrol(1) to unshare this filesystem\n"));
6393 } else if (!zfs_is_shared(zhp
)) {
6394 (void) fprintf(stderr
, gettext("cannot unshare '%s': "
6395 "not currently shared\n"), path
);
6397 ret
= zfs_unshareall_bypath(zhp
, path
);
6400 char mtpt_prop
[ZFS_MAXPROPLEN
];
6402 verify(zfs_prop_get(zhp
, ZFS_PROP_MOUNTPOINT
, mtpt_prop
,
6403 sizeof (mtpt_prop
), NULL
, NULL
, 0, B_FALSE
) == 0);
6406 ret
= zfs_unmount(zhp
, NULL
, flags
);
6407 } else if (strcmp(mtpt_prop
, "legacy") == 0) {
6408 (void) fprintf(stderr
, gettext("cannot unmount "
6409 "'%s': legacy mountpoint\n"),
6411 (void) fprintf(stderr
, gettext("use umount(8) "
6412 "to unmount this filesystem\n"));
6414 ret
= zfs_unmountall(zhp
, flags
);
6425 * Generic callback for unsharing or unmounting a filesystem.
6428 unshare_unmount(int op
, int argc
, char **argv
)
6435 char nfs_mnt_prop
[ZFS_MAXPROPLEN
];
6436 char sharesmb
[ZFS_MAXPROPLEN
];
6439 while ((c
= getopt(argc
, argv
, op
== OP_SHARE
? ":a" : "af")) != -1) {
6448 (void) fprintf(stderr
, gettext("missing argument for "
6449 "'%c' option\n"), optopt
);
6453 (void) fprintf(stderr
, gettext("invalid option '%c'\n"),
6464 * We could make use of zfs_for_each() to walk all datasets in
6465 * the system, but this would be very inefficient, especially
6466 * since we would have to linearly search /proc/self/mounts for
6467 * each one. Instead, do one pass through /proc/self/mounts
6468 * looking for zfs entries and call zfs_unmount() for each one.
6470 * Things get a little tricky if the administrator has created
6471 * mountpoints beneath other ZFS filesystems. In this case, we
6472 * have to unmount the deepest filesystems first. To accomplish
6473 * this, we place all the mountpoints in an AVL tree sorted by
6474 * the special type (dataset name), and walk the result in
6475 * reverse to make sure to get any snapshots first.
6477 struct mnttab entry
;
6478 uu_avl_pool_t
*pool
;
6479 uu_avl_t
*tree
= NULL
;
6480 unshare_unmount_node_t
*node
;
6482 uu_avl_walk_t
*walk
;
6483 char *protocol
= NULL
;
6485 if (op
== OP_SHARE
&& argc
> 0) {
6486 if (strcmp(argv
[0], "nfs") != 0 &&
6487 strcmp(argv
[0], "smb") != 0) {
6488 (void) fprintf(stderr
, gettext("share type "
6489 "must be 'nfs' or 'smb'\n"));
6498 (void) fprintf(stderr
, gettext("too many arguments\n"));
6502 if (((pool
= uu_avl_pool_create("unmount_pool",
6503 sizeof (unshare_unmount_node_t
),
6504 offsetof(unshare_unmount_node_t
, un_avlnode
),
6505 unshare_unmount_compare
, UU_DEFAULT
)) == NULL
) ||
6506 ((tree
= uu_avl_create(pool
, NULL
, UU_DEFAULT
)) == NULL
))
6509 /* Reopen MNTTAB to prevent reading stale data from open file */
6510 if (freopen(MNTTAB
, "r", mnttab_file
) == NULL
)
6513 while (getmntent(mnttab_file
, &entry
) == 0) {
6515 /* ignore non-ZFS entries */
6516 if (strcmp(entry
.mnt_fstype
, MNTTYPE_ZFS
) != 0)
6519 /* ignore snapshots */
6520 if (strchr(entry
.mnt_special
, '@') != NULL
)
6523 if ((zhp
= zfs_open(g_zfs
, entry
.mnt_special
,
6524 ZFS_TYPE_FILESYSTEM
)) == NULL
) {
6531 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
,
6533 sizeof (nfs_mnt_prop
),
6534 NULL
, NULL
, 0, B_FALSE
) == 0);
6535 if (strcmp(nfs_mnt_prop
, "off") != 0)
6537 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
,
6539 sizeof (nfs_mnt_prop
),
6540 NULL
, NULL
, 0, B_FALSE
) == 0);
6541 if (strcmp(nfs_mnt_prop
, "off") == 0)
6545 /* Ignore legacy mounts */
6546 verify(zfs_prop_get(zhp
, ZFS_PROP_MOUNTPOINT
,
6548 sizeof (nfs_mnt_prop
),
6549 NULL
, NULL
, 0, B_FALSE
) == 0);
6550 if (strcmp(nfs_mnt_prop
, "legacy") == 0)
6552 /* Ignore canmount=noauto mounts */
6553 if (zfs_prop_get_int(zhp
, ZFS_PROP_CANMOUNT
) ==
6554 ZFS_CANMOUNT_NOAUTO
)
6560 node
= safe_malloc(sizeof (unshare_unmount_node_t
));
6562 node
->un_mountp
= safe_strdup(entry
.mnt_mountp
);
6564 uu_avl_node_init(node
, &node
->un_avlnode
, pool
);
6566 if (uu_avl_find(tree
, node
, NULL
, &idx
) == NULL
) {
6567 uu_avl_insert(tree
, node
, idx
);
6569 zfs_close(node
->un_zhp
);
6570 free(node
->un_mountp
);
6576 * Walk the AVL tree in reverse, unmounting each filesystem and
6577 * removing it from the AVL tree in the process.
6579 if ((walk
= uu_avl_walk_start(tree
,
6580 UU_WALK_REVERSE
| UU_WALK_ROBUST
)) == NULL
)
6583 while ((node
= uu_avl_walk_next(walk
)) != NULL
) {
6584 uu_avl_remove(tree
, node
);
6588 if (zfs_unshareall_bytype(node
->un_zhp
,
6589 node
->un_mountp
, protocol
) != 0)
6594 if (zfs_unmount(node
->un_zhp
,
6595 node
->un_mountp
, flags
) != 0)
6600 zfs_close(node
->un_zhp
);
6601 free(node
->un_mountp
);
6605 uu_avl_walk_end(walk
);
6606 uu_avl_destroy(tree
);
6607 uu_avl_pool_destroy(pool
);
6612 (void) fprintf(stderr
,
6613 gettext("missing filesystem argument\n"));
6615 (void) fprintf(stderr
,
6616 gettext("too many arguments\n"));
6621 * We have an argument, but it may be a full path or a ZFS
6622 * filesystem. Pass full paths off to unmount_path() (shared by
6623 * manual_unmount), otherwise open the filesystem and pass to
6626 if (argv
[0][0] == '/')
6627 return (unshare_unmount_path(op
, argv
[0],
6630 if ((zhp
= zfs_open(g_zfs
, argv
[0],
6631 ZFS_TYPE_FILESYSTEM
)) == NULL
)
6634 verify(zfs_prop_get(zhp
, op
== OP_SHARE
?
6635 ZFS_PROP_SHARENFS
: ZFS_PROP_MOUNTPOINT
,
6636 nfs_mnt_prop
, sizeof (nfs_mnt_prop
), NULL
,
6637 NULL
, 0, B_FALSE
) == 0);
6641 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARENFS
,
6643 sizeof (nfs_mnt_prop
),
6644 NULL
, NULL
, 0, B_FALSE
) == 0);
6645 verify(zfs_prop_get(zhp
, ZFS_PROP_SHARESMB
,
6646 sharesmb
, sizeof (sharesmb
), NULL
, NULL
,
6649 if (strcmp(nfs_mnt_prop
, "off") == 0 &&
6650 strcmp(sharesmb
, "off") == 0) {
6651 (void) fprintf(stderr
, gettext("cannot "
6652 "unshare '%s': legacy share\n"),
6654 (void) fprintf(stderr
, gettext("use "
6655 "unshare(1M) to unshare this "
6658 } else if (!zfs_is_shared(zhp
)) {
6659 (void) fprintf(stderr
, gettext("cannot "
6660 "unshare '%s': not currently "
6661 "shared\n"), zfs_get_name(zhp
));
6663 } else if (zfs_unshareall(zhp
) != 0) {
6669 if (strcmp(nfs_mnt_prop
, "legacy") == 0) {
6670 (void) fprintf(stderr
, gettext("cannot "
6671 "unmount '%s': legacy "
6672 "mountpoint\n"), zfs_get_name(zhp
));
6673 (void) fprintf(stderr
, gettext("use "
6674 "umount(1M) to unmount this "
6677 } else if (!zfs_is_mounted(zhp
, NULL
)) {
6678 (void) fprintf(stderr
, gettext("cannot "
6679 "unmount '%s': not currently "
6683 } else if (zfs_unmountall(zhp
, flags
) != 0) {
6697 * zfs unmount filesystem
6699 * Unmount all filesystems, or a specific ZFS filesystem.
6702 zfs_do_unmount(int argc
, char **argv
)
6704 return (unshare_unmount(OP_MOUNT
, argc
, argv
));
6709 * zfs unshare filesystem
6711 * Unshare all filesystems, or a specific ZFS filesystem.
6714 zfs_do_unshare(int argc
, char **argv
)
6716 return (unshare_unmount(OP_SHARE
, argc
, argv
));
6720 find_command_idx(char *command
, int *idx
)
6724 for (i
= 0; i
< NCOMMAND
; i
++) {
6725 if (command_table
[i
].name
== NULL
)
6728 if (strcmp(command
, command_table
[i
].name
) == 0) {
6737 zfs_do_diff(int argc
, char **argv
)
6741 char *tosnap
= NULL
;
6742 char *fromsnap
= NULL
;
6747 while ((c
= getopt(argc
, argv
, "FHt")) != -1) {
6750 flags
|= ZFS_DIFF_CLASSIFY
;
6753 flags
|= ZFS_DIFF_PARSEABLE
;
6756 flags
|= ZFS_DIFF_TIMESTAMP
;
6759 (void) fprintf(stderr
,
6760 gettext("invalid option '%c'\n"), optopt
);
6769 (void) fprintf(stderr
,
6770 gettext("must provide at least one snapshot name\n"));
6775 (void) fprintf(stderr
, gettext("too many arguments\n"));
6780 tosnap
= (argc
== 2) ? argv
[1] : NULL
;
6783 if (*fromsnap
!= '@')
6784 copy
= strdup(fromsnap
);
6786 copy
= strdup(tosnap
);
6790 if ((atp
= strchr(copy
, '@')))
6793 if ((zhp
= zfs_open(g_zfs
, copy
, ZFS_TYPE_FILESYSTEM
)) == NULL
) {
6800 * Ignore SIGPIPE so that the library can give us
6801 * information on any failure
6803 (void) sigignore(SIGPIPE
);
6805 err
= zfs_show_diffs(zhp
, STDOUT_FILENO
, fromsnap
, tosnap
, flags
);
6813 * zfs bookmark <fs@snap> <fs#bmark>
6815 * Creates a bookmark with the given name from the given snapshot.
6818 zfs_do_bookmark(int argc
, char **argv
)
6820 char snapname
[ZFS_MAX_DATASET_NAME_LEN
];
6827 while ((c
= getopt(argc
, argv
, "")) != -1) {
6830 (void) fprintf(stderr
,
6831 gettext("invalid option '%c'\n"), optopt
);
6839 /* check number of arguments */
6841 (void) fprintf(stderr
, gettext("missing snapshot argument\n"));
6845 (void) fprintf(stderr
, gettext("missing bookmark argument\n"));
6849 if (strchr(argv
[1], '#') == NULL
) {
6850 (void) fprintf(stderr
,
6851 gettext("invalid bookmark name '%s' -- "
6852 "must contain a '#'\n"), argv
[1]);
6856 if (argv
[0][0] == '@') {
6858 * Snapshot name begins with @.
6859 * Default to same fs as bookmark.
6861 (void) strlcpy(snapname
, argv
[1], sizeof (snapname
));
6862 *strchr(snapname
, '#') = '\0';
6863 (void) strlcat(snapname
, argv
[0], sizeof (snapname
));
6865 (void) strlcpy(snapname
, argv
[0], sizeof (snapname
));
6867 zhp
= zfs_open(g_zfs
, snapname
, ZFS_TYPE_SNAPSHOT
);
6873 nvl
= fnvlist_alloc();
6874 fnvlist_add_string(nvl
, argv
[1], snapname
);
6875 ret
= lzc_bookmark(nvl
, NULL
);
6879 const char *err_msg
;
6882 (void) snprintf(errbuf
, sizeof (errbuf
),
6883 dgettext(TEXT_DOMAIN
,
6884 "cannot create bookmark '%s'"), argv
[1]);
6888 err_msg
= "bookmark is in a different pool";
6891 err_msg
= "bookmark exists";
6894 err_msg
= "invalid argument";
6897 err_msg
= "bookmark feature not enabled";
6900 err_msg
= "out of space";
6903 err_msg
= "unknown error";
6906 (void) fprintf(stderr
, "%s: %s\n", errbuf
,
6907 dgettext(TEXT_DOMAIN
, err_msg
));
6918 main(int argc
, char **argv
)
6924 (void) setlocale(LC_ALL
, "");
6925 (void) textdomain(TEXT_DOMAIN
);
6927 dprintf_setup(&argc
, argv
);
6932 * Make sure the user has specified some command.
6935 (void) fprintf(stderr
, gettext("missing command\n"));
6942 * The 'umount' command is an alias for 'unmount'
6944 if (strcmp(cmdname
, "umount") == 0)
6945 cmdname
= "unmount";
6948 * The 'recv' command is an alias for 'receive'
6950 if (strcmp(cmdname
, "recv") == 0)
6951 cmdname
= "receive";
6954 * The 'snap' command is an alias for 'snapshot'
6956 if (strcmp(cmdname
, "snap") == 0)
6957 cmdname
= "snapshot";
6962 if ((strcmp(cmdname
, "-?") == 0) ||
6963 (strcmp(cmdname
, "--help") == 0))
6966 if ((g_zfs
= libzfs_init()) == NULL
) {
6967 (void) fprintf(stderr
, "%s", libzfs_error_init(errno
));
6971 mnttab_file
= g_zfs
->libzfs_mnttab
;
6973 zfs_save_arguments(argc
, argv
, history_str
, sizeof (history_str
));
6975 libzfs_print_on_error(g_zfs
, B_TRUE
);
6978 * Run the appropriate command.
6980 libzfs_mnttab_cache(g_zfs
, B_TRUE
);
6981 if (find_command_idx(cmdname
, &i
) == 0) {
6982 current_command
= &command_table
[i
];
6983 ret
= command_table
[i
].func(argc
- 1, argv
+ 1);
6984 } else if (strchr(cmdname
, '=') != NULL
) {
6985 verify(find_command_idx("set", &i
) == 0);
6986 current_command
= &command_table
[i
];
6987 ret
= command_table
[i
].func(argc
, argv
);
6989 (void) fprintf(stderr
, gettext("unrecognized "
6990 "command '%s'\n"), cmdname
);
6995 if (ret
== 0 && log_history
)
6996 (void) zpool_log_history(g_zfs
, history_str
);
7001 * The 'ZFS_ABORT' environment variable causes us to dump core on exit
7002 * for the purposes of running ::findleaks.
7004 if (getenv("ZFS_ABORT") != NULL
) {
7005 (void) printf("dumping core by request\n");